-(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Terminal = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
-'use strict';
-
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Terminal = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
/**
- * xterm.js: xterm, in the browser
- * Copyright (c) 2014-2016, SourceLair Private Company (www.sourcelair.com (MIT License)
+ * @license MIT
*/
-
+"use strict";
/**
* Encapsulates the logic for handling compositionstart, compositionupdate and compositionend
* events, displaying the in-progress composition to the UI and forwarding the final composition
* to the handler.
- * @param {HTMLTextAreaElement} textarea The textarea that xterm uses for input.
- * @param {HTMLElement} compositionView The element to display the in-progress composition in.
- * @param {Terminal} terminal The Terminal to forward the finished composition to.
- */
-function CompositionHelper(textarea, compositionView, terminal) {
- this.textarea = textarea;
- this.compositionView = compositionView;
- this.terminal = terminal;
-
- // Whether input composition is currently happening, eg. via a mobile keyboard, speech input
- // or IME. This variable determines whether the compositionText should be displayed on the UI.
- this.isComposing = false;
-
- // The input currently being composed, eg. via a mobile keyboard, speech input or IME.
- this.compositionText = null;
-
- // The position within the input textarea's value of the current composition.
- this.compositionPosition = { start: null, end: null };
-
- // Whether a composition is in the process of being sent, setting this to false will cancel
- // any in-progress composition.
- this.isSendingComposition = false;
-}
-
-/**
- * Handles the compositionstart event, activating the composition view.
- */
-CompositionHelper.prototype.compositionstart = function () {
- this.isComposing = true;
- this.compositionPosition.start = this.textarea.value.length;
- this.compositionView.textContent = '';
- this.compositionView.classList.add('active');
-};
-
-/**
- * Handles the compositionupdate event, updating the composition view.
- * @param {CompositionEvent} ev The event.
*/
-CompositionHelper.prototype.compositionupdate = function (ev) {
- this.compositionView.textContent = ev.data;
- this.updateCompositionElements();
- var self = this;
- setTimeout(function () {
- self.compositionPosition.end = self.textarea.value.length;
- }, 0);
-};
-
-/**
- * Handles the compositionend event, hiding the composition view and sending the composition to
- * the handler.
- */
-CompositionHelper.prototype.compositionend = function () {
- this.finalizeComposition(true);
-};
-
-/**
- * Handles the keydown event, routing any necessary events to the CompositionHelper functions.
- * @return Whether the Terminal should continue processing the keydown event.
- */
-CompositionHelper.prototype.keydown = function (ev) {
- if (this.isComposing || this.isSendingComposition) {
- if (ev.keyCode === 229) {
- // Continue composing if the keyCode is the "composition character"
- return false;
- } else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {
- // Continue composing if the keyCode is a modifier key
- return false;
- } else {
- // Finish composition immediately. This is mainly here for the case where enter is
- // pressed and the handler needs to be triggered before the command is executed.
- this.finalizeComposition(false);
- }
- }
-
- if (ev.keyCode === 229) {
- // If the "composition character" is used but gets to this point it means a non-composition
- // character (eg. numbers and punctuation) was pressed when the IME was active.
- this.handleAnyTextareaChanges();
- return false;
- }
-
- return true;
-};
-
-/**
- * Finalizes the composition, resuming regular input actions. This is called when a composition
- * is ending.
- * @param {boolean} waitForPropogation Whether to wait for events to propogate before sending
- * the input. This should be false if a non-composition keystroke is entered before the
- * compositionend event is triggered, such as enter, so that the composition is send before
- * the command is executed.
- */
-CompositionHelper.prototype.finalizeComposition = function (waitForPropogation) {
- this.compositionView.classList.remove('active');
- this.isComposing = false;
- this.clearTextareaPosition();
-
- if (!waitForPropogation) {
- // Cancel any delayed composition send requests and send the input immediately.
- this.isSendingComposition = false;
- var input = this.textarea.value.substring(this.compositionPosition.start, this.compositionPosition.end);
- this.terminal.handler(input);
- } else {
- // Make a deep copy of the composition position here as a new compositionstart event may
- // fire before the setTimeout executes.
- var currentCompositionPosition = {
- start: this.compositionPosition.start,
- end: this.compositionPosition.end
+var CompositionHelper = (function () {
+ /**
+ * Creates a new CompositionHelper.
+ * @param textarea The textarea that xterm uses for input.
+ * @param compositionView The element to display the in-progress composition in.
+ * @param terminal The Terminal to forward the finished composition to.
+ */
+ function CompositionHelper(textarea, compositionView, terminal) {
+ this.textarea = textarea;
+ this.compositionView = compositionView;
+ this.terminal = terminal;
+ this.isComposing = false;
+ this.isSendingComposition = false;
+ this.compositionPosition = { start: null, end: null };
+ }
+ ;
+ /**
+ * Handles the compositionstart event, activating the composition view.
+ */
+ CompositionHelper.prototype.compositionstart = function () {
+ this.isComposing = true;
+ this.compositionPosition.start = this.textarea.value.length;
+ this.compositionView.textContent = '';
+ this.compositionView.classList.add('active');
};
-
- // Since composition* events happen before the changes take place in the textarea on most
- // browsers, use a setTimeout with 0ms time to allow the native compositionend event to
- // complete. This ensures the correct character is retrieved, this solution was used
- // because:
- // - The compositionend event's data property is unreliable, at least on Chromium
- // - The last compositionupdate event's data property does not always accurately describe
- // the character, a counter example being Korean where an ending consonsant can move to
- // the following character if the following input is a vowel.
- var self = this;
- this.isSendingComposition = true;
- setTimeout(function () {
- // Ensure that the input has not already been sent
- if (self.isSendingComposition) {
- self.isSendingComposition = false;
- var input;
- if (self.isComposing) {
- // Use the end position to get the string if a new composition has started.
- input = self.textarea.value.substring(currentCompositionPosition.start, currentCompositionPosition.end);
- } else {
- // Don't use the end position here in order to pick up any characters after the
- // composition has finished, for example when typing a non-composition character
- // (eg. 2) after a composition character.
- input = self.textarea.value.substring(currentCompositionPosition.start);
- }
- self.terminal.handler(input);
- }
- }, 0);
- }
-};
-
-/**
- * Apply any changes made to the textarea after the current event chain is allowed to complete.
- * This should be called when not currently composing but a keydown event with the "composition
- * character" (229) is triggered, in order to allow non-composition text to be entered when an
- * IME is active.
- */
-CompositionHelper.prototype.handleAnyTextareaChanges = function () {
- var oldValue = this.textarea.value;
- var self = this;
- setTimeout(function () {
- // Ignore if a composition has started since the timeout
- if (!self.isComposing) {
- var newValue = self.textarea.value;
- var diff = newValue.replace(oldValue, '');
- if (diff.length > 0) {
- self.terminal.handler(diff);
- }
- }
- }, 0);
-};
-
-/**
- * Positions the composition view on top of the cursor and the textarea just below it (so the
- * IME helper dialog is positioned correctly).
- */
-CompositionHelper.prototype.updateCompositionElements = function (dontRecurse) {
- if (!this.isComposing) {
- return;
- }
- var cursor = this.terminal.element.querySelector('.terminal-cursor');
- if (cursor) {
- // Take .xterm-rows offsetTop into account as well in case it's positioned absolutely within
- // the .xterm element.
- var xtermRows = this.terminal.element.querySelector('.xterm-rows');
- var cursorTop = xtermRows.offsetTop + cursor.offsetTop;
-
- this.compositionView.style.left = cursor.offsetLeft + 'px';
- this.compositionView.style.top = cursorTop + 'px';
- this.compositionView.style.height = cursor.offsetHeight + 'px';
- this.compositionView.style.lineHeight = cursor.offsetHeight + 'px';
- // Sync the textarea to the exact position of the composition view so the IME knows where the
- // text is.
- var compositionViewBounds = this.compositionView.getBoundingClientRect();
- this.textarea.style.left = cursor.offsetLeft + 'px';
- this.textarea.style.top = cursorTop + 'px';
- this.textarea.style.width = compositionViewBounds.width + 'px';
- this.textarea.style.height = compositionViewBounds.height + 'px';
- this.textarea.style.lineHeight = compositionViewBounds.height + 'px';
- }
- if (!dontRecurse) {
- setTimeout(this.updateCompositionElements.bind(this, true), 0);
- }
-};
-
-/**
- * Clears the textarea's position so that the cursor does not blink on IE.
- * @private
- */
-CompositionHelper.prototype.clearTextareaPosition = function () {
- this.textarea.style.left = '';
- this.textarea.style.top = '';
-};
-
+ /**
+ * Handles the compositionupdate event, updating the composition view.
+ * @param {CompositionEvent} ev The event.
+ */
+ CompositionHelper.prototype.compositionupdate = function (ev) {
+ this.compositionView.textContent = ev.data;
+ this.updateCompositionElements();
+ var self = this;
+ setTimeout(function () {
+ self.compositionPosition.end = self.textarea.value.length;
+ }, 0);
+ };
+ /**
+ * Handles the compositionend event, hiding the composition view and sending the composition to
+ * the handler.
+ */
+ CompositionHelper.prototype.compositionend = function () {
+ this.finalizeComposition(true);
+ };
+ /**
+ * Handles the keydown event, routing any necessary events to the CompositionHelper functions.
+ * @param ev The keydown event.
+ * @return Whether the Terminal should continue processing the keydown event.
+ */
+ CompositionHelper.prototype.keydown = function (ev) {
+ if (this.isComposing || this.isSendingComposition) {
+ if (ev.keyCode === 229) {
+ // Continue composing if the keyCode is the "composition character"
+ return false;
+ }
+ else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {
+ // Continue composing if the keyCode is a modifier key
+ return false;
+ }
+ else {
+ // Finish composition immediately. This is mainly here for the case where enter is
+ // pressed and the handler needs to be triggered before the command is executed.
+ this.finalizeComposition(false);
+ }
+ }
+ if (ev.keyCode === 229) {
+ // If the "composition character" is used but gets to this point it means a non-composition
+ // character (eg. numbers and punctuation) was pressed when the IME was active.
+ this.handleAnyTextareaChanges();
+ return false;
+ }
+ return true;
+ };
+ /**
+ * Finalizes the composition, resuming regular input actions. This is called when a composition
+ * is ending.
+ * @param waitForPropogation Whether to wait for events to propogate before sending
+ * the input. This should be false if a non-composition keystroke is entered before the
+ * compositionend event is triggered, such as enter, so that the composition is send before
+ * the command is executed.
+ */
+ CompositionHelper.prototype.finalizeComposition = function (waitForPropogation) {
+ this.compositionView.classList.remove('active');
+ this.isComposing = false;
+ this.clearTextareaPosition();
+ if (!waitForPropogation) {
+ // Cancel any delayed composition send requests and send the input immediately.
+ this.isSendingComposition = false;
+ var input = this.textarea.value.substring(this.compositionPosition.start, this.compositionPosition.end);
+ this.terminal.handler(input);
+ }
+ else {
+ // Make a deep copy of the composition position here as a new compositionstart event may
+ // fire before the setTimeout executes.
+ var currentCompositionPosition = {
+ start: this.compositionPosition.start,
+ end: this.compositionPosition.end,
+ };
+ // Since composition* events happen before the changes take place in the textarea on most
+ // browsers, use a setTimeout with 0ms time to allow the native compositionend event to
+ // complete. This ensures the correct character is retrieved, this solution was used
+ // because:
+ // - The compositionend event's data property is unreliable, at least on Chromium
+ // - The last compositionupdate event's data property does not always accurately describe
+ // the character, a counter example being Korean where an ending consonsant can move to
+ // the following character if the following input is a vowel.
+ var self = this;
+ this.isSendingComposition = true;
+ setTimeout(function () {
+ // Ensure that the input has not already been sent
+ if (self.isSendingComposition) {
+ self.isSendingComposition = false;
+ var input;
+ if (self.isComposing) {
+ // Use the end position to get the string if a new composition has started.
+ input = self.textarea.value.substring(currentCompositionPosition.start, currentCompositionPosition.end);
+ }
+ else {
+ // Don't use the end position here in order to pick up any characters after the
+ // composition has finished, for example when typing a non-composition character
+ // (eg. 2) after a composition character.
+ input = self.textarea.value.substring(currentCompositionPosition.start);
+ }
+ self.terminal.handler(input);
+ }
+ }, 0);
+ }
+ };
+ /**
+ * Apply any changes made to the textarea after the current event chain is allowed to complete.
+ * This should be called when not currently composing but a keydown event with the "composition
+ * character" (229) is triggered, in order to allow non-composition text to be entered when an
+ * IME is active.
+ */
+ CompositionHelper.prototype.handleAnyTextareaChanges = function () {
+ var oldValue = this.textarea.value;
+ var self = this;
+ setTimeout(function () {
+ // Ignore if a composition has started since the timeout
+ if (!self.isComposing) {
+ var newValue = self.textarea.value;
+ var diff = newValue.replace(oldValue, '');
+ if (diff.length > 0) {
+ self.terminal.handler(diff);
+ }
+ }
+ }, 0);
+ };
+ /**
+ * Positions the composition view on top of the cursor and the textarea just below it (so the
+ * IME helper dialog is positioned correctly).
+ * @param dontRecurse Whether to use setTimeout to recursively trigger another update, this is
+ * necessary as the IME events across browsers are not consistently triggered.
+ */
+ CompositionHelper.prototype.updateCompositionElements = function (dontRecurse) {
+ if (!this.isComposing) {
+ return;
+ }
+ var cursor = this.terminal.element.querySelector('.terminal-cursor');
+ if (cursor) {
+ // Take .xterm-rows offsetTop into account as well in case it's positioned absolutely within
+ // the .xterm element.
+ var xtermRows = this.terminal.element.querySelector('.xterm-rows');
+ var cursorTop = xtermRows.offsetTop + cursor.offsetTop;
+ this.compositionView.style.left = cursor.offsetLeft + 'px';
+ this.compositionView.style.top = cursorTop + 'px';
+ this.compositionView.style.height = cursor.offsetHeight + 'px';
+ this.compositionView.style.lineHeight = cursor.offsetHeight + 'px';
+ // Sync the textarea to the exact position of the composition view so the IME knows where the
+ // text is.
+ var compositionViewBounds = this.compositionView.getBoundingClientRect();
+ this.textarea.style.left = cursor.offsetLeft + 'px';
+ this.textarea.style.top = cursorTop + 'px';
+ this.textarea.style.width = compositionViewBounds.width + 'px';
+ this.textarea.style.height = compositionViewBounds.height + 'px';
+ this.textarea.style.lineHeight = compositionViewBounds.height + 'px';
+ }
+ if (!dontRecurse) {
+ setTimeout(this.updateCompositionElements.bind(this, true), 0);
+ }
+ };
+ ;
+ /**
+ * Clears the textarea's position so that the cursor does not blink on IE.
+ * @private
+ */
+ CompositionHelper.prototype.clearTextareaPosition = function () {
+ this.textarea.style.left = '';
+ this.textarea.style.top = '';
+ };
+ ;
+ return CompositionHelper;
+}());
exports.CompositionHelper = CompositionHelper;
-},{}],2:[function(_dereq_,module,exports){
-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
+},{}],2:[function(require,module,exports){
/**
- * xterm.js: xterm, in the browser
- * Copyright (c) 2014-2016, SourceLair Private Company (www.sourcelair.com (MIT License)
+ * @license MIT
*/
-
+"use strict";
function EventEmitter() {
- this._events = this._events || {};
+ this._events = this._events || {};
}
-
+exports.EventEmitter = EventEmitter;
EventEmitter.prototype.addListener = function (type, listener) {
- this._events[type] = this._events[type] || [];
- this._events[type].push(listener);
+ this._events[type] = this._events[type] || [];
+ this._events[type].push(listener);
};
-
EventEmitter.prototype.on = EventEmitter.prototype.addListener;
-
EventEmitter.prototype.removeListener = function (type, listener) {
- if (!this._events[type]) return;
-
- var obj = this._events[type],
- i = obj.length;
-
- while (i--) {
- if (obj[i] === listener || obj[i].listener === listener) {
- obj.splice(i, 1);
- return;
+ if (!this._events[type])
+ return;
+ var obj = this._events[type], i = obj.length;
+ while (i--) {
+ if (obj[i] === listener || obj[i].listener === listener) {
+ obj.splice(i, 1);
+ return;
+ }
}
- }
};
-
EventEmitter.prototype.off = EventEmitter.prototype.removeListener;
-
EventEmitter.prototype.removeAllListeners = function (type) {
- if (this._events[type]) delete this._events[type];
+ if (this._events[type])
+ delete this._events[type];
};
-
EventEmitter.prototype.once = function (type, listener) {
- var self = this;
- function on() {
- var args = Array.prototype.slice.call(arguments);
- this.removeListener(type, on);
- return listener.apply(this, args);
- }
- on.listener = listener;
- return this.on(type, on);
+ var self = this;
+ function on() {
+ var args = Array.prototype.slice.call(arguments);
+ this.removeListener(type, on);
+ return listener.apply(this, args);
+ }
+ on.listener = listener;
+ return this.on(type, on);
};
-
EventEmitter.prototype.emit = function (type) {
- if (!this._events[type]) return;
-
- var args = Array.prototype.slice.call(arguments, 1),
- obj = this._events[type],
- l = obj.length,
- i = 0;
-
- for (; i < l; i++) {
- obj[i].apply(this, args);
- }
+ if (!this._events[type])
+ return;
+ var args = Array.prototype.slice.call(arguments, 1), obj = this._events[type], l = obj.length, i = 0;
+ for (; i < l; i++) {
+ obj[i].apply(this, args);
+ }
};
-
EventEmitter.prototype.listeners = function (type) {
- return this._events[type] = this._events[type] || [];
+ return this._events[type] = this._events[type] || [];
};
-exports.EventEmitter = EventEmitter;
-
-},{}],3:[function(_dereq_,module,exports){
-'use strict';
-
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
+},{}],3:[function(require,module,exports){
/**
- * xterm.js: xterm, in the browser
- * Copyright (c) 2014-2016, SourceLair Private Company (www.sourcelair.com (MIT License)
+ * @license MIT
*/
-
+"use strict";
/**
* Represents the viewport of a terminal, the visible area within the larger buffer of output.
* Logic for the virtual scroll bar is included in this object.
- * @param {Terminal} terminal The Terminal object.
- * @param {HTMLElement} viewportElement The DOM element acting as the viewport
- * @param {HTMLElement} charMeasureElement A DOM element used to measure the character size of
- * the terminal.
- */
-function Viewport(terminal, viewportElement, scrollArea, charMeasureElement) {
- this.terminal = terminal;
- this.viewportElement = viewportElement;
- this.scrollArea = scrollArea;
- this.charMeasureElement = charMeasureElement;
- this.currentRowHeight = 0;
- this.lastRecordedBufferLength = 0;
- this.lastRecordedViewportHeight = 0;
-
- this.terminal.on('scroll', this.syncScrollArea.bind(this));
- this.terminal.on('resize', this.syncScrollArea.bind(this));
- this.viewportElement.addEventListener('scroll', this.onScroll.bind(this));
-
- this.syncScrollArea();
-}
-
-/**
- * Refreshes row height, setting line-height, viewport height and scroll area height if
- * necessary.
- * @param {number|undefined} charSize A character size measurement bounding rect object, if it
- * doesn't exist it will be created.
*/
-Viewport.prototype.refresh = function (charSize) {
- var size = charSize || this.charMeasureElement.getBoundingClientRect();
- if (size.height > 0) {
- var rowHeightChanged = size.height !== this.currentRowHeight;
- if (rowHeightChanged) {
- this.currentRowHeight = size.height;
- this.viewportElement.style.lineHeight = size.height + 'px';
- this.terminal.rowContainer.style.lineHeight = size.height + 'px';
- }
- var viewportHeightChanged = this.lastRecordedViewportHeight !== this.terminal.rows;
- if (rowHeightChanged || viewportHeightChanged) {
- this.lastRecordedViewportHeight = this.terminal.rows;
- this.viewportElement.style.height = size.height * this.terminal.rows + 'px';
+var Viewport = (function () {
+ /**
+ * Creates a new Viewport.
+ * @param terminal The terminal this viewport belongs to.
+ * @param viewportElement The DOM element acting as the viewport.
+ * @param scrollArea The DOM element acting as the scroll area.
+ * @param charMeasureElement A DOM element used to measure the character size of. the terminal.
+ */
+ function Viewport(terminal, viewportElement, scrollArea, charMeasureElement) {
+ this.terminal = terminal;
+ this.viewportElement = viewportElement;
+ this.scrollArea = scrollArea;
+ this.charMeasureElement = charMeasureElement;
+ this.currentRowHeight = 0;
+ this.lastRecordedBufferLength = 0;
+ this.lastRecordedViewportHeight = 0;
+ this.terminal.on('scroll', this.syncScrollArea.bind(this));
+ this.terminal.on('resize', this.syncScrollArea.bind(this));
+ this.viewportElement.addEventListener('scroll', this.onScroll.bind(this));
+ this.syncScrollArea();
}
- this.scrollArea.style.height = size.height * this.lastRecordedBufferLength + 'px';
- }
-};
-
-/**
- * Updates dimensions and synchronizes the scroll area if necessary.
- */
-Viewport.prototype.syncScrollArea = function () {
- if (this.lastRecordedBufferLength !== this.terminal.lines.length) {
- // If buffer height changed
- this.lastRecordedBufferLength = this.terminal.lines.length;
- this.refresh();
- } else if (this.lastRecordedViewportHeight !== this.terminal.rows) {
- // If viewport height changed
- this.refresh();
- } else {
- // If size has changed, refresh viewport
- var size = this.charMeasureElement.getBoundingClientRect();
- if (size.height !== this.currentRowHeight) {
- this.refresh(size);
- }
- }
-
- // Sync scrollTop
- var scrollTop = this.terminal.ydisp * this.currentRowHeight;
- if (this.viewportElement.scrollTop !== scrollTop) {
- this.viewportElement.scrollTop = scrollTop;
- }
-};
-
-/**
- * Handles scroll events on the viewport, calculating the new viewport and requesting the
- * terminal to scroll to it.
- * @param {Event} ev The scroll event.
- */
-Viewport.prototype.onScroll = function (ev) {
- var newRow = Math.round(this.viewportElement.scrollTop / this.currentRowHeight);
- var diff = newRow - this.terminal.ydisp;
- this.terminal.scrollDisp(diff, true);
-};
-
-/**
- * Handles mouse wheel events by adjusting the viewport's scrollTop and delegating the actual
- * scrolling to `onScroll`, this event needs to be attached manually by the consumer of
- * `Viewport`.
- * @param {WheelEvent} ev The mouse wheel event.
- */
-Viewport.prototype.onWheel = function (ev) {
- if (ev.deltaY === 0) {
- // Do nothing if it's not a vertical scroll event
- return;
- }
- // Fallback to WheelEvent.DOM_DELTA_PIXEL
- var multiplier = 1;
- if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {
- multiplier = this.currentRowHeight;
- } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
- multiplier = this.currentRowHeight * this.terminal.rows;
- }
- this.viewportElement.scrollTop += ev.deltaY * multiplier;
- // Prevent the page from scrolling when the terminal scrolls
- ev.preventDefault();
-};
-
+ /**
+ * Refreshes row height, setting line-height, viewport height and scroll area height if
+ * necessary.
+ * @param charSize A character size measurement bounding rect object, if it doesn't exist it will
+ * be created.
+ */
+ Viewport.prototype.refresh = function (charSize) {
+ var size = charSize || this.charMeasureElement.getBoundingClientRect();
+ if (size.height > 0) {
+ var rowHeightChanged = size.height !== this.currentRowHeight;
+ if (rowHeightChanged) {
+ this.currentRowHeight = size.height;
+ this.viewportElement.style.lineHeight = size.height + 'px';
+ this.terminal.rowContainer.style.lineHeight = size.height + 'px';
+ }
+ var viewportHeightChanged = this.lastRecordedViewportHeight !== this.terminal.rows;
+ if (rowHeightChanged || viewportHeightChanged) {
+ this.lastRecordedViewportHeight = this.terminal.rows;
+ this.viewportElement.style.height = size.height * this.terminal.rows + 'px';
+ }
+ this.scrollArea.style.height = (size.height * this.lastRecordedBufferLength) + 'px';
+ }
+ };
+ /**
+ * Updates dimensions and synchronizes the scroll area if necessary.
+ */
+ Viewport.prototype.syncScrollArea = function () {
+ if (this.lastRecordedBufferLength !== this.terminal.lines.length) {
+ // If buffer height changed
+ this.lastRecordedBufferLength = this.terminal.lines.length;
+ this.refresh();
+ }
+ else if (this.lastRecordedViewportHeight !== this.terminal.rows) {
+ // If viewport height changed
+ this.refresh();
+ }
+ else {
+ // If size has changed, refresh viewport
+ var size = this.charMeasureElement.getBoundingClientRect();
+ if (size.height !== this.currentRowHeight) {
+ this.refresh(size);
+ }
+ }
+ // Sync scrollTop
+ var scrollTop = this.terminal.ydisp * this.currentRowHeight;
+ if (this.viewportElement.scrollTop !== scrollTop) {
+ this.viewportElement.scrollTop = scrollTop;
+ }
+ };
+ /**
+ * Handles scroll events on the viewport, calculating the new viewport and requesting the
+ * terminal to scroll to it.
+ * @param ev The scroll event.
+ */
+ Viewport.prototype.onScroll = function (ev) {
+ var newRow = Math.round(this.viewportElement.scrollTop / this.currentRowHeight);
+ var diff = newRow - this.terminal.ydisp;
+ this.terminal.scrollDisp(diff, true);
+ };
+ /**
+ * Handles mouse wheel events by adjusting the viewport's scrollTop and delegating the actual
+ * scrolling to `onScroll`, this event needs to be attached manually by the consumer of
+ * `Viewport`.
+ * @param ev The mouse wheel event.
+ */
+ Viewport.prototype.onWheel = function (ev) {
+ if (ev.deltaY === 0) {
+ // Do nothing if it's not a vertical scroll event
+ return;
+ }
+ // Fallback to WheelEvent.DOM_DELTA_PIXEL
+ var multiplier = 1;
+ if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {
+ multiplier = this.currentRowHeight;
+ }
+ else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
+ multiplier = this.currentRowHeight * this.terminal.rows;
+ }
+ this.viewportElement.scrollTop += ev.deltaY * multiplier;
+ // Prevent the page from scrolling when the terminal scrolls
+ ev.preventDefault();
+ };
+ ;
+ return Viewport;
+}());
exports.Viewport = Viewport;
-},{}],4:[function(_dereq_,module,exports){
-'use strict';
-
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
-/**
- * xterm.js: xterm, in the browser
- * Copyright (c) 2016, SourceLair Private Company <www.sourcelair.com> (MIT License)
- */
-
+},{}],4:[function(require,module,exports){
/**
- * Clipboard handler module. This module contains methods for handling all
- * clipboard-related events appropriately in the terminal.
+ * Clipboard handler module: exports methods for handling all clipboard-related events in the
+ * terminal.
* @module xterm/handlers/Clipboard
+ * @license MIT
*/
-
+"use strict";
/**
* Prepares text copied from terminal selection, to be saved in the clipboard by:
* 1. stripping all trailing white spaces
* @returns {string}
*/
function prepareTextForClipboard(text) {
- var space = String.fromCharCode(32),
- nonBreakingSpace = String.fromCharCode(160),
- allNonBreakingSpaces = new RegExp(nonBreakingSpace, 'g'),
- processedText = text.split('\n').map(function (line) {
- // Strip all trailing white spaces and convert all non-breaking spaces
- // to regular spaces.
- var processedLine = line.replace(/\s+$/g, '').replace(allNonBreakingSpaces, space);
-
- return processedLine;
- }).join('\n');
-
- return processedText;
+ var space = String.fromCharCode(32), nonBreakingSpace = String.fromCharCode(160), allNonBreakingSpaces = new RegExp(nonBreakingSpace, 'g'), processedText = text.split('\n').map(function (line) {
+ // Strip all trailing white spaces and convert all non-breaking spaces
+ // to regular spaces.
+ var processedLine = line.replace(/\s+$/g, '').replace(allNonBreakingSpaces, space);
+ return processedLine;
+ }).join('\n');
+ return processedText;
}
-
+exports.prepareTextForClipboard = prepareTextForClipboard;
/**
* Binds copy functionality to the given terminal.
* @param {ClipboardEvent} ev The original copy event to be handled
*/
function copyHandler(ev, term) {
- var copiedText = window.getSelection().toString(),
- text = prepareTextForClipboard(copiedText);
-
- if (term.browser.isMSIE) {
- window.clipboardData.setData('Text', text);
- } else {
- ev.clipboardData.setData('text/plain', text);
- }
-
- ev.preventDefault(); // Prevent or the original text will be copied.
+ // We cast `window` to `any` type, because TypeScript has not declared the `clipboardData`
+ // property that we use below for Internet Explorer.
+ var copiedText = window.getSelection().toString(), text = prepareTextForClipboard(copiedText);
+ if (term.browser.isMSIE) {
+ window.clipboardData.setData('Text', text);
+ }
+ else {
+ ev.clipboardData.setData('text/plain', text);
+ }
+ ev.preventDefault(); // Prevent or the original text will be copied.
}
-
+exports.copyHandler = copyHandler;
/**
* Redirect the clipboard's data to the terminal's input handler.
* @param {ClipboardEvent} ev The original paste event to be handled
* @param {Terminal} term The terminal on which to apply the handled paste event
*/
function pasteHandler(ev, term) {
- ev.stopPropagation();
-
- var dispatchPaste = function dispatchPaste(text) {
- term.handler(text);
- term.textarea.value = '';
- return term.cancel(ev);
- };
-
- if (term.browser.isMSIE) {
- if (window.clipboardData) {
- var text = window.clipboardData.getData('Text');
- dispatchPaste(text);
+ ev.stopPropagation();
+ var text;
+ var dispatchPaste = function (text) {
+ term.handler(text);
+ term.textarea.value = '';
+ return term.cancel(ev);
+ };
+ if (term.browser.isMSIE) {
+ if (window.clipboardData) {
+ text = window.clipboardData.getData('Text');
+ dispatchPaste(text);
+ }
}
- } else {
- if (ev.clipboardData) {
- var text = ev.clipboardData.getData('text/plain');
- dispatchPaste(text);
+ else {
+ if (ev.clipboardData) {
+ text = ev.clipboardData.getData('text/plain');
+ dispatchPaste(text);
+ }
}
- }
}
-
+exports.pasteHandler = pasteHandler;
/**
* Bind to right-click event and allow right-click copy and paste.
*
* @param {Terminal} term The terminal on which to apply the handled paste event
*/
function rightClickHandler(ev, term) {
- var s = document.getSelection(),
- selectedText = prepareTextForClipboard(s.toString()),
- clickIsOnSelection = false;
-
- if (s.rangeCount) {
- var r = s.getRangeAt(0),
- cr = r.getClientRects(),
- x = ev.clientX,
- y = ev.clientY,
- i,
- rect;
-
- for (i = 0; i < cr.length; i++) {
- rect = cr[i];
- clickIsOnSelection = x > rect.left && x < rect.right && y > rect.top && y < rect.bottom;
-
- if (clickIsOnSelection) {
- break;
- }
- }
- // If we clicked on selection and selection is not a single space,
- // then mark the right click as copy-only. We check for the single
- // space selection, as this can happen when clicking on an
- // and there is not much pointing in copying a single space.
- if (selectedText.match(/^\s$/) || !selectedText.length) {
- clickIsOnSelection = false;
- }
- }
-
- // Bring textarea at the cursor position
- if (!clickIsOnSelection) {
- term.textarea.style.position = 'fixed';
- term.textarea.style.width = '20px';
- term.textarea.style.height = '20px';
- term.textarea.style.left = x - 10 + 'px';
- term.textarea.style.top = y - 10 + 'px';
- term.textarea.style.zIndex = 1000;
- term.textarea.focus();
-
- // Reset the terminal textarea's styling
- setTimeout(function () {
- term.textarea.style.position = null;
- term.textarea.style.width = null;
- term.textarea.style.height = null;
- term.textarea.style.left = null;
- term.textarea.style.top = null;
- term.textarea.style.zIndex = null;
- }, 4);
- }
+ var s = document.getSelection(), selectedText = prepareTextForClipboard(s.toString()), clickIsOnSelection = false, x = ev.clientX, y = ev.clientY;
+ if (s.rangeCount) {
+ var r = s.getRangeAt(0), cr = r.getClientRects(), i = void 0, rect = void 0;
+ for (i = 0; i < cr.length; i++) {
+ rect = cr[i];
+ clickIsOnSelection = ((x > rect.left) && (x < rect.right) &&
+ (y > rect.top) && (y < rect.bottom));
+ if (clickIsOnSelection) {
+ break;
+ }
+ }
+ // If we clicked on selection and selection is not a single space,
+ // then mark the right click as copy-only. We check for the single
+ // space selection, as this can happen when clicking on an
+ // and there is not much pointing in copying a single space.
+ if (selectedText.match(/^\s$/) || !selectedText.length) {
+ clickIsOnSelection = false;
+ }
+ }
+ // Bring textarea at the cursor position
+ if (!clickIsOnSelection) {
+ term.textarea.style.position = 'fixed';
+ term.textarea.style.width = '20px';
+ term.textarea.style.height = '20px';
+ term.textarea.style.left = (x - 10) + 'px';
+ term.textarea.style.top = (y - 10) + 'px';
+ term.textarea.style.zIndex = '1000';
+ term.textarea.focus();
+ // Reset the terminal textarea's styling
+ setTimeout(function () {
+ term.textarea.style.position = null;
+ term.textarea.style.width = null;
+ term.textarea.style.height = null;
+ term.textarea.style.left = null;
+ term.textarea.style.top = null;
+ term.textarea.style.zIndex = null;
+ }, 4);
+ }
}
-
-exports.prepareTextForClipboard = prepareTextForClipboard;
-exports.copyHandler = copyHandler;
-exports.pasteHandler = pasteHandler;
exports.rightClickHandler = rightClickHandler;
-},{}],5:[function(_dereq_,module,exports){
-'use strict';
-
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
-exports.isMSWindows = exports.isIphone = exports.isIpad = exports.isMac = exports.isMSIE = exports.isFirefox = undefined;
-
-var _Generic = _dereq_('./Generic.js');
-
-var isNode = typeof navigator == 'undefined' ? true : false; /**
- * xterm.js: xterm, in the browser
- * Copyright (c) 2016, SourceLair Private Company <www.sourcelair.com> (MIT License)
- */
-
+},{}],5:[function(require,module,exports){
/**
- * Browser utilities module. This module contains attributes and methods to help with
- * identifying the current browser and platform.
+ * Attributes and methods to help with identifying the current browser and platform.
* @module xterm/utils/Browser
+ * @license MIT
*/
-
-var userAgent = isNode ? 'node' : navigator.userAgent;
-var platform = isNode ? 'node' : navigator.platform;
-
-var isFirefox = exports.isFirefox = !!~userAgent.indexOf('Firefox');
-var isMSIE = exports.isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident');
-
+"use strict";
+var Generic_js_1 = require('./Generic.js');
+var isNode = (typeof navigator == 'undefined') ? true : false;
+var userAgent = (isNode) ? 'node' : navigator.userAgent;
+var platform = (isNode) ? 'node' : navigator.platform;
+exports.isFirefox = !!~userAgent.indexOf('Firefox');
+exports.isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident');
// Find the users platform. We use this to interpret the meta key
// and ISO third level shifts.
// http://stackoverflow.com/q/19877924/577598
-var isMac = exports.isMac = (0, _Generic.contains)(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);
-var isIpad = exports.isIpad = platform === 'iPad';
-var isIphone = exports.isIphone = platform === 'iPhone';
-var isMSWindows = exports.isMSWindows = (0, _Generic.contains)(['Windows', 'Win16', 'Win32', 'WinCE'], platform);
-
-},{"./Generic.js":6}],6:[function(_dereq_,module,exports){
-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
-/**
- * xterm.js: xterm, in the browser
- * Copyright (c) 2016, SourceLair Private Company <www.sourcelair.com> (MIT License)
- */
+exports.isMac = Generic_js_1.contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);
+exports.isIpad = platform === 'iPad';
+exports.isIphone = platform === 'iPhone';
+exports.isMSWindows = Generic_js_1.contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform);
+},{"./Generic.js":6}],6:[function(require,module,exports){
/**
- * Generic utilities module. This module contains generic methods that can be helpful at
- * different parts of the code base.
+ * Generic utilities module with methods that can be helpful at different parts of the code base.
* @module xterm/utils/Generic
+ * @license MIT
*/
-
+"use strict";
/**
* Return if the given array contains the given element
* @param {Array} array The array to search for the given element.
* @param {Object} el The element to look for into the array
*/
-var contains = exports.contains = function contains(arr, el) {
- return arr.indexOf(el) >= 0;
+exports.contains = function (arr, el) {
+ return arr.indexOf(el) >= 0;
};
-},{}],7:[function(_dereq_,module,exports){
-'use strict';var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};/**
+},{}],7:[function(require,module,exports){
+/**
* xterm.js: xterm, in the browser
- * Copyright (c) 2014-2014, SourceLair Private Company <www.sourcelair.com> (MIT License)
- * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
- * https://github.com/chjj/term.js
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
* Originally forked from (with the author's permission):
* Fabrice Bellard's javascript vt100 for jslinux:
* http://bellard.org/jslinux/
* The original design remains. The terminal itself
* has been extended to include xterm CSI codes, among
* other features.
- */var _CompositionHelper=_dereq_('./CompositionHelper.js');var _EventEmitter=_dereq_('./EventEmitter.js');var _Viewport=_dereq_('./Viewport.js');var _Clipboard=_dereq_('./handlers/Clipboard.js');var _Browser=_dereq_('./utils/Browser');var Browser=_interopRequireWildcard(_Browser);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}/**
+ * @license MIT
+ */
+"use strict";
+var CompositionHelper_js_1 = require('./CompositionHelper.js');
+var EventEmitter_js_1 = require('./EventEmitter.js');
+var Viewport_js_1 = require('./Viewport.js');
+var Clipboard_js_1 = require('./handlers/Clipboard.js');
+var Browser = require('./utils/Browser');
+/**
* Terminal Emulation References:
* http://vt100.net/
* http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt
* http://www.inwap.com/pdp10/ansicode.txt
* http://linux.die.net/man/4/console_codes
* http://linux.die.net/man/7/urxvt
- */// Let it work inside Node.js for automated testing purposes.
-var document=typeof window!='undefined'?window.document:null;/**
+ */
+// Let it work inside Node.js for automated testing purposes.
+var document = (typeof window != 'undefined') ? window.document : null;
+/**
* States
- */var normal=0,escaped=1,csi=2,osc=3,charset=4,dcs=5,ignore=6;/**
+ */
+var normal = 0, escaped = 1, csi = 2, osc = 3, charset = 4, dcs = 5, ignore = 6;
+/**
* Terminal
- *//**
+ */
+/**
* Creates a new `Terminal` object.
*
* @param {object} options An object containing a set of options, the available options are:
* @public
* @class Xterm Xterm
* @alias module:xterm/src/xterm
- */function Terminal(options){var self=this;if(!(this instanceof Terminal)){return new Terminal(arguments[0],arguments[1],arguments[2]);}self.browser=Browser;self.cancel=Terminal.cancel;_EventEmitter.EventEmitter.call(this);if(typeof options==='number'){options={cols:arguments[0],rows:arguments[1],handler:arguments[2]};}options=options||{};Object.keys(Terminal.defaults).forEach(function(key){if(options[key]==null){options[key]=Terminal.options[key];if(Terminal[key]!==Terminal.defaults[key]){options[key]=Terminal[key];}}self[key]=options[key];});if(options.colors.length===8){options.colors=options.colors.concat(Terminal._colors.slice(8));}else if(options.colors.length===16){options.colors=options.colors.concat(Terminal._colors.slice(16));}else if(options.colors.length===10){options.colors=options.colors.slice(0,-2).concat(Terminal._colors.slice(8,-2),options.colors.slice(-2));}else if(options.colors.length===18){options.colors=options.colors.concat(Terminal._colors.slice(16,-2),options.colors.slice(-2));}this.colors=options.colors;this.options=options;// this.context = options.context || window;
-// this.document = options.document || document;
-this.parent=options.body||options.parent||(document?document.getElementsByTagName('body')[0]:null);this.cols=options.cols||options.geometry[0];this.rows=options.rows||options.geometry[1];this.geometry=[this.cols,this.rows];if(options.handler){this.on('data',options.handler);}/**
- * The scroll position of the y cursor, ie. ybase + y = the y position within the entire
- * buffer
- */this.ybase=0;/**
- * The scroll position of the viewport
- */this.ydisp=0;/**
- * The cursor's x position after ybase
- */this.x=0;/**
- * The cursor's y position after ybase
- */this.y=0;/**
- * Used to debounce the refresh function
- */this.isRefreshing=false;/**
- * Whether there is a full terminal refresh queued
- */this.cursorState=0;this.cursorHidden=false;this.convertEol;this.state=0;this.queue='';this.scrollTop=0;this.scrollBottom=this.rows-1;this.customKeydownHandler=null;// modes
-this.applicationKeypad=false;this.applicationCursor=false;this.originMode=false;this.insertMode=false;this.wraparoundMode=true;// defaults: xterm - true, vt100 - false
-this.normal=null;// charset
-this.charset=null;this.gcharset=null;this.glevel=0;this.charsets=[null];// mouse properties
-this.decLocator;this.x10Mouse;this.vt200Mouse;this.vt300Mouse;this.normalMouse;this.mouseEvents;this.sendFocus;this.utfMouse;this.sgrMouse;this.urxvtMouse;// misc
-this.element;this.children;this.refreshStart;this.refreshEnd;this.savedX;this.savedY;this.savedCols;// stream
-this.readable=true;this.writable=true;this.defAttr=0<<18|257<<9|256<<0;this.curAttr=this.defAttr;this.params=[];this.currentParam=0;this.prefix='';this.postfix='';// leftover surrogate high from previous write invocation
-this.surrogate_high='';/**
- * An array of all lines in the entire buffer, including the prompt. The lines are array of
- * characters which are 2-length arrays where [0] is an attribute and [1] is the character.
- */this.lines=[];var i=this.rows;while(i--){this.lines.push(this.blankLine());}this.tabs;this.setupStops();// Store if user went browsing history in scrollback
-this.userScrolling=false;}inherits(Terminal,_EventEmitter.EventEmitter);/**
+ */
+function Terminal(options) {
+ var self = this;
+ if (!(this instanceof Terminal)) {
+ return new Terminal(arguments[0], arguments[1], arguments[2]);
+ }
+ self.browser = Browser;
+ self.cancel = Terminal.cancel;
+ EventEmitter_js_1.EventEmitter.call(this);
+ if (typeof options === 'number') {
+ options = {
+ cols: arguments[0],
+ rows: arguments[1],
+ handler: arguments[2]
+ };
+ }
+ options = options || {};
+ Object.keys(Terminal.defaults).forEach(function (key) {
+ if (options[key] == null) {
+ options[key] = Terminal.options[key];
+ if (Terminal[key] !== Terminal.defaults[key]) {
+ options[key] = Terminal[key];
+ }
+ }
+ self[key] = options[key];
+ });
+ if (options.colors.length === 8) {
+ options.colors = options.colors.concat(Terminal._colors.slice(8));
+ }
+ else if (options.colors.length === 16) {
+ options.colors = options.colors.concat(Terminal._colors.slice(16));
+ }
+ else if (options.colors.length === 10) {
+ options.colors = options.colors.slice(0, -2).concat(Terminal._colors.slice(8, -2), options.colors.slice(-2));
+ }
+ else if (options.colors.length === 18) {
+ options.colors = options.colors.concat(Terminal._colors.slice(16, -2), options.colors.slice(-2));
+ }
+ this.colors = options.colors;
+ this.options = options;
+ // this.context = options.context || window;
+ // this.document = options.document || document;
+ this.parent = options.body || options.parent || (document ? document.getElementsByTagName('body')[0] : null);
+ this.cols = options.cols || options.geometry[0];
+ this.rows = options.rows || options.geometry[1];
+ this.geometry = [this.cols, this.rows];
+ if (options.handler) {
+ this.on('data', options.handler);
+ }
+ /**
+ * The scroll position of the y cursor, ie. ybase + y = the y position within the entire
+ * buffer
+ */
+ this.ybase = 0;
+ /**
+ * The scroll position of the viewport
+ */
+ this.ydisp = 0;
+ /**
+ * The cursor's x position after ybase
+ */
+ this.x = 0;
+ /**
+ * The cursor's y position after ybase
+ */
+ this.y = 0;
+ /**
+ * Used to debounce the refresh function
+ */
+ this.isRefreshing = false;
+ /**
+ * Whether there is a full terminal refresh queued
+ */
+ this.cursorState = 0;
+ this.cursorHidden = false;
+ this.convertEol;
+ this.state = 0;
+ this.queue = '';
+ this.scrollTop = 0;
+ this.scrollBottom = this.rows - 1;
+ this.customKeydownHandler = null;
+ // modes
+ this.applicationKeypad = false;
+ this.applicationCursor = false;
+ this.originMode = false;
+ this.insertMode = false;
+ this.wraparoundMode = true; // defaults: xterm - true, vt100 - false
+ this.normal = null;
+ // charset
+ this.charset = null;
+ this.gcharset = null;
+ this.glevel = 0;
+ this.charsets = [null];
+ // mouse properties
+ this.decLocator;
+ this.x10Mouse;
+ this.vt200Mouse;
+ this.vt300Mouse;
+ this.normalMouse;
+ this.mouseEvents;
+ this.sendFocus;
+ this.utfMouse;
+ this.sgrMouse;
+ this.urxvtMouse;
+ // misc
+ this.element;
+ this.children;
+ this.refreshStart;
+ this.refreshEnd;
+ this.savedX;
+ this.savedY;
+ this.savedCols;
+ // stream
+ this.readable = true;
+ this.writable = true;
+ this.defAttr = (0 << 18) | (257 << 9) | (256 << 0);
+ this.curAttr = this.defAttr;
+ this.params = [];
+ this.currentParam = 0;
+ this.prefix = '';
+ this.postfix = '';
+ // leftover surrogate high from previous write invocation
+ this.surrogate_high = '';
+ /**
+ * An array of all lines in the entire buffer, including the prompt. The lines are array of
+ * characters which are 2-length arrays where [0] is an attribute and [1] is the character.
+ */
+ this.lines = [];
+ var i = this.rows;
+ while (i--) {
+ this.lines.push(this.blankLine());
+ }
+ this.tabs;
+ this.setupStops();
+ // Store if user went browsing history in scrollback
+ this.userScrolling = false;
+}
+inherits(Terminal, EventEmitter_js_1.EventEmitter);
+/**
* back_color_erase feature for xterm.
- */Terminal.prototype.eraseAttr=function(){// if (this.is('screen')) return this.defAttr;
-return this.defAttr&~0x1ff|this.curAttr&0x1ff;};/**
+ */
+Terminal.prototype.eraseAttr = function () {
+ // if (this.is('screen')) return this.defAttr;
+ return (this.defAttr & ~0x1ff) | (this.curAttr & 0x1ff);
+};
+/**
* Colors
- */// Colors 0-15
-Terminal.tangoColors=[// dark:
-'#2e3436','#cc0000','#4e9a06','#c4a000','#3465a4','#75507b','#06989a','#d3d7cf',// bright:
-'#555753','#ef2929','#8ae234','#fce94f','#729fcf','#ad7fa8','#34e2e2','#eeeeec'];// Colors 0-15 + 16-255
+ */
+// Colors 0-15
+Terminal.tangoColors = [
+ // dark:
+ '#2e3436',
+ '#cc0000',
+ '#4e9a06',
+ '#c4a000',
+ '#3465a4',
+ '#75507b',
+ '#06989a',
+ '#d3d7cf',
+ // bright:
+ '#555753',
+ '#ef2929',
+ '#8ae234',
+ '#fce94f',
+ '#729fcf',
+ '#ad7fa8',
+ '#34e2e2',
+ '#eeeeec'
+];
+// Colors 0-15 + 16-255
// Much thanks to TooTallNate for writing this.
-Terminal.colors=function(){var colors=Terminal.tangoColors.slice(),r=[0x00,0x5f,0x87,0xaf,0xd7,0xff],i;// 16-231
-i=0;for(;i<216;i++){out(r[i/36%6|0],r[i/6%6|0],r[i%6]);}// 232-255 (grey)
-i=0;for(;i<24;i++){r=8+i*10;out(r,r,r);}function out(r,g,b){colors.push('#'+hex(r)+hex(g)+hex(b));}function hex(c){c=c.toString(16);return c.length<2?'0'+c:c;}return colors;}();Terminal._colors=Terminal.colors.slice();Terminal.vcolors=function(){var out=[],colors=Terminal.colors,i=0,color;for(;i<256;i++){color=parseInt(colors[i].substring(1),16);out.push([color>>16&0xff,color>>8&0xff,color&0xff]);}return out;}();/**
+Terminal.colors = (function () {
+ var colors = Terminal.tangoColors.slice(), r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff], i;
+ // 16-231
+ i = 0;
+ for (; i < 216; i++) {
+ out(r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]);
+ }
+ // 232-255 (grey)
+ i = 0;
+ for (; i < 24; i++) {
+ r = 8 + i * 10;
+ out(r, r, r);
+ }
+ function out(r, g, b) {
+ colors.push('#' + hex(r) + hex(g) + hex(b));
+ }
+ function hex(c) {
+ c = c.toString(16);
+ return c.length < 2 ? '0' + c : c;
+ }
+ return colors;
+})();
+Terminal._colors = Terminal.colors.slice();
+Terminal.vcolors = (function () {
+ var out = [], colors = Terminal.colors, i = 0, color;
+ for (; i < 256; i++) {
+ color = parseInt(colors[i].substring(1), 16);
+ out.push([
+ (color >> 16) & 0xff,
+ (color >> 8) & 0xff,
+ color & 0xff
+ ]);
+ }
+ return out;
+})();
+/**
* Options
- */Terminal.defaults={colors:Terminal.colors,theme:'default',convertEol:false,termName:'xterm',geometry:[80,24],cursorBlink:false,visualBell:false,popOnBell:false,scrollback:1000,screenKeys:false,debug:false,cancelEvents:false// programFeatures: false,
-// focusKeys: false,
-};Terminal.options={};Terminal.focus=null;each(keys(Terminal.defaults),function(key){Terminal[key]=Terminal.defaults[key];Terminal.options[key]=Terminal.defaults[key];});/**
+ */
+Terminal.defaults = {
+ colors: Terminal.colors,
+ theme: 'default',
+ convertEol: false,
+ termName: 'xterm',
+ geometry: [80, 24],
+ cursorBlink: false,
+ visualBell: false,
+ popOnBell: false,
+ scrollback: 1000,
+ screenKeys: false,
+ debug: false,
+ cancelEvents: false
+};
+Terminal.options = {};
+Terminal.focus = null;
+each(keys(Terminal.defaults), function (key) {
+ Terminal[key] = Terminal.defaults[key];
+ Terminal.options[key] = Terminal.defaults[key];
+});
+/**
* Focus the terminal. Delegates focus handling to the terminal's DOM element.
- */Terminal.prototype.focus=function(){return this.textarea.focus();};/**
+ */
+Terminal.prototype.focus = function () {
+ return this.textarea.focus();
+};
+/**
* Retrieves an option's value from the terminal.
* @param {string} key The option key.
- */Terminal.prototype.getOption=function(key,value){if(!(key in Terminal.defaults)){throw new Error('No option with key "'+key+'"');}if(typeof this.options[key]!=='undefined'){return this.options[key];}return this[key];};/**
+ */
+Terminal.prototype.getOption = function (key, value) {
+ if (!(key in Terminal.defaults)) {
+ throw new Error('No option with key "' + key + '"');
+ }
+ if (typeof this.options[key] !== 'undefined') {
+ return this.options[key];
+ }
+ return this[key];
+};
+/**
* Sets an option on the terminal.
* @param {string} key The option key.
* @param {string} value The option value.
- */Terminal.prototype.setOption=function(key,value){if(!(key in Terminal.defaults)){throw new Error('No option with key "'+key+'"');}this[key]=value;this.options[key]=value;};/**
+ */
+Terminal.prototype.setOption = function (key, value) {
+ if (!(key in Terminal.defaults)) {
+ throw new Error('No option with key "' + key + '"');
+ }
+ this[key] = value;
+ this.options[key] = value;
+};
+/**
* Binds the desired focus behavior on a given terminal object.
*
* @static
- */Terminal.bindFocus=function(term){on(term.textarea,'focus',function(ev){if(term.sendFocus){term.send('\x1b[I');}term.element.classList.add('focus');term.showCursor();Terminal.focus=term;term.emit('focus',{terminal:term});});};/**
+ */
+Terminal.bindFocus = function (term) {
+ on(term.textarea, 'focus', function (ev) {
+ if (term.sendFocus) {
+ term.send('\x1b[I');
+ }
+ term.element.classList.add('focus');
+ term.showCursor();
+ Terminal.focus = term;
+ term.emit('focus', { terminal: term });
+ });
+};
+/**
* Blur the terminal. Delegates blur handling to the terminal's DOM element.
- */Terminal.prototype.blur=function(){return this.textarea.blur();};/**
+ */
+Terminal.prototype.blur = function () {
+ return this.textarea.blur();
+};
+/**
* Binds the desired blur behavior on a given terminal object.
*
* @static
- */Terminal.bindBlur=function(term){on(term.textarea,'blur',function(ev){term.refresh(term.y,term.y);if(term.sendFocus){term.send('\x1b[O');}term.element.classList.remove('focus');Terminal.focus=null;term.emit('blur',{terminal:term});});};/**
+ */
+Terminal.bindBlur = function (term) {
+ on(term.textarea, 'blur', function (ev) {
+ term.refresh(term.y, term.y);
+ if (term.sendFocus) {
+ term.send('\x1b[O');
+ }
+ term.element.classList.remove('focus');
+ Terminal.focus = null;
+ term.emit('blur', { terminal: term });
+ });
+};
+/**
* Initialize default behavior
- */Terminal.prototype.initGlobal=function(){var term=this;Terminal.bindKeys(this);Terminal.bindFocus(this);Terminal.bindBlur(this);// Bind clipboard functionality
-on(this.element,'copy',function(ev){_Clipboard.copyHandler.call(this,ev,term);});on(this.textarea,'paste',function(ev){_Clipboard.pasteHandler.call(this,ev,term);});function rightClickHandlerWrapper(ev){_Clipboard.rightClickHandler.call(this,ev,term);}if(term.browser.isFirefox){on(this.element,'mousedown',function(ev){if(ev.button==2){rightClickHandlerWrapper(ev);}});}else{on(this.element,'contextmenu',rightClickHandlerWrapper);}};/**
+ */
+Terminal.prototype.initGlobal = function () {
+ var term = this;
+ Terminal.bindKeys(this);
+ Terminal.bindFocus(this);
+ Terminal.bindBlur(this);
+ // Bind clipboard functionality
+ on(this.element, 'copy', function (ev) {
+ Clipboard_js_1.copyHandler.call(this, ev, term);
+ });
+ on(this.textarea, 'paste', function (ev) {
+ Clipboard_js_1.pasteHandler.call(this, ev, term);
+ });
+ function rightClickHandlerWrapper(ev) {
+ Clipboard_js_1.rightClickHandler.call(this, ev, term);
+ }
+ if (term.browser.isFirefox) {
+ on(this.element, 'mousedown', function (ev) {
+ if (ev.button == 2) {
+ rightClickHandlerWrapper(ev);
+ }
+ });
+ }
+ else {
+ on(this.element, 'contextmenu', rightClickHandlerWrapper);
+ }
+};
+/**
* Apply key handling to the terminal
- */Terminal.bindKeys=function(term){on(term.element,'keydown',function(ev){if(document.activeElement!=this){return;}term.keyDown(ev);},true);on(term.element,'keypress',function(ev){if(document.activeElement!=this){return;}term.keyPress(ev);},true);on(term.element,'keyup',term.focus.bind(term));on(term.textarea,'keydown',function(ev){term.keyDown(ev);},true);on(term.textarea,'keypress',function(ev){term.keyPress(ev);// Truncate the textarea's value, since it is not needed
-this.value='';},true);on(term.textarea,'compositionstart',term.compositionHelper.compositionstart.bind(term.compositionHelper));on(term.textarea,'compositionupdate',term.compositionHelper.compositionupdate.bind(term.compositionHelper));on(term.textarea,'compositionend',term.compositionHelper.compositionend.bind(term.compositionHelper));term.on('refresh',term.compositionHelper.updateCompositionElements.bind(term.compositionHelper));};/**
+ */
+Terminal.bindKeys = function (term) {
+ on(term.element, 'keydown', function (ev) {
+ if (document.activeElement != this) {
+ return;
+ }
+ term.keyDown(ev);
+ }, true);
+ on(term.element, 'keypress', function (ev) {
+ if (document.activeElement != this) {
+ return;
+ }
+ term.keyPress(ev);
+ }, true);
+ on(term.element, 'keyup', term.focus.bind(term));
+ on(term.textarea, 'keydown', function (ev) {
+ term.keyDown(ev);
+ }, true);
+ on(term.textarea, 'keypress', function (ev) {
+ term.keyPress(ev);
+ // Truncate the textarea's value, since it is not needed
+ this.value = '';
+ }, true);
+ on(term.textarea, 'compositionstart', term.compositionHelper.compositionstart.bind(term.compositionHelper));
+ on(term.textarea, 'compositionupdate', term.compositionHelper.compositionupdate.bind(term.compositionHelper));
+ on(term.textarea, 'compositionend', term.compositionHelper.compositionend.bind(term.compositionHelper));
+ term.on('refresh', term.compositionHelper.updateCompositionElements.bind(term.compositionHelper));
+};
+/**
* Insert the given row to the terminal or produce a new one
* if no row argument is passed. Return the inserted row.
* @param {HTMLElement} row (optional) The row to append to the terminal.
- */Terminal.prototype.insertRow=function(row){if((typeof row==='undefined'?'undefined':_typeof(row))!='object'){row=document.createElement('div');}this.rowContainer.appendChild(row);this.children.push(row);return row;};/**
- * Opens the terminal within an element.
+ */
+Terminal.prototype.insertRow = function (row) {
+ if (typeof row != 'object') {
+ row = document.createElement('div');
+ }
+ this.rowContainer.appendChild(row);
+ this.children.push(row);
+ return row;
+};
+/**
+ * Opens the terminal within an element.
*
* @param {HTMLElement} parent The element to create the terminal within.
- */Terminal.prototype.open=function(parent){var self=this,i=0,div;this.parent=parent||this.parent;if(!this.parent){throw new Error('Terminal requires a parent element.');}// Grab global elements
-this.context=this.parent.ownerDocument.defaultView;this.document=this.parent.ownerDocument;this.body=this.document.getElementsByTagName('body')[0];//Create main element container
-this.element=this.document.createElement('div');this.element.classList.add('terminal');this.element.classList.add('xterm');this.element.classList.add('xterm-theme-'+this.theme);this.element.style.height;this.element.setAttribute('tabindex',0);this.viewportElement=document.createElement('div');this.viewportElement.classList.add('xterm-viewport');this.element.appendChild(this.viewportElement);this.viewportScrollArea=document.createElement('div');this.viewportScrollArea.classList.add('xterm-scroll-area');this.viewportElement.appendChild(this.viewportScrollArea);// Create the container that will hold the lines of the terminal and then
-// produce the lines the lines.
-this.rowContainer=document.createElement('div');this.rowContainer.classList.add('xterm-rows');this.element.appendChild(this.rowContainer);this.children=[];// Create the container that will hold helpers like the textarea for
-// capturing DOM Events. Then produce the helpers.
-this.helperContainer=document.createElement('div');this.helperContainer.classList.add('xterm-helpers');// TODO: This should probably be inserted once it's filled to prevent an additional layout
-this.element.appendChild(this.helperContainer);this.textarea=document.createElement('textarea');this.textarea.classList.add('xterm-helper-textarea');this.textarea.setAttribute('autocorrect','off');this.textarea.setAttribute('autocapitalize','off');this.textarea.setAttribute('spellcheck','false');this.textarea.tabIndex=0;this.textarea.addEventListener('focus',function(){self.emit('focus',{terminal:self});});this.textarea.addEventListener('blur',function(){self.emit('blur',{terminal:self});});this.helperContainer.appendChild(this.textarea);this.compositionView=document.createElement('div');this.compositionView.classList.add('composition-view');this.compositionHelper=new _CompositionHelper.CompositionHelper(this.textarea,this.compositionView,this);this.helperContainer.appendChild(this.compositionView);this.charMeasureElement=document.createElement('div');this.charMeasureElement.classList.add('xterm-char-measure-element');this.charMeasureElement.innerHTML='W';this.helperContainer.appendChild(this.charMeasureElement);for(;i<this.rows;i++){this.insertRow();}this.parent.appendChild(this.element);this.viewport=new _Viewport.Viewport(this,this.viewportElement,this.viewportScrollArea,this.charMeasureElement);// Draw the screen.
-this.refresh(0,this.rows-1);// Initialize global actions that
-// need to be taken on the document.
-this.initGlobal();// Ensure there is a Terminal.focus.
-this.focus();on(this.element,'click',function(){var selection=document.getSelection(),collapsed=selection.isCollapsed,isRange=typeof collapsed=='boolean'?!collapsed:selection.type=='Range';if(!isRange){self.focus();}});// Listen for mouse events and translate
-// them into terminal mouse protocols.
-this.bindMouse();// Figure out whether boldness affects
-// the character width of monospace fonts.
-if(Terminal.brokenBold==null){Terminal.brokenBold=isBoldBroken(this.document);}this.emit('open');};/**
+ */
+Terminal.prototype.open = function (parent) {
+ var self = this, i = 0, div;
+ this.parent = parent || this.parent;
+ if (!this.parent) {
+ throw new Error('Terminal requires a parent element.');
+ }
+ // Grab global elements
+ this.context = this.parent.ownerDocument.defaultView;
+ this.document = this.parent.ownerDocument;
+ this.body = this.document.getElementsByTagName('body')[0];
+ //Create main element container
+ this.element = this.document.createElement('div');
+ this.element.classList.add('terminal');
+ this.element.classList.add('xterm');
+ this.element.classList.add('xterm-theme-' + this.theme);
+ this.element.style.height;
+ this.element.setAttribute('tabindex', 0);
+ this.viewportElement = document.createElement('div');
+ this.viewportElement.classList.add('xterm-viewport');
+ this.element.appendChild(this.viewportElement);
+ this.viewportScrollArea = document.createElement('div');
+ this.viewportScrollArea.classList.add('xterm-scroll-area');
+ this.viewportElement.appendChild(this.viewportScrollArea);
+ // Create the container that will hold the lines of the terminal and then
+ // produce the lines the lines.
+ this.rowContainer = document.createElement('div');
+ this.rowContainer.classList.add('xterm-rows');
+ this.element.appendChild(this.rowContainer);
+ this.children = [];
+ // Create the container that will hold helpers like the textarea for
+ // capturing DOM Events. Then produce the helpers.
+ this.helperContainer = document.createElement('div');
+ this.helperContainer.classList.add('xterm-helpers');
+ // TODO: This should probably be inserted once it's filled to prevent an additional layout
+ this.element.appendChild(this.helperContainer);
+ this.textarea = document.createElement('textarea');
+ this.textarea.classList.add('xterm-helper-textarea');
+ this.textarea.setAttribute('autocorrect', 'off');
+ this.textarea.setAttribute('autocapitalize', 'off');
+ this.textarea.setAttribute('spellcheck', 'false');
+ this.textarea.tabIndex = 0;
+ this.textarea.addEventListener('focus', function () {
+ self.emit('focus', { terminal: self });
+ });
+ this.textarea.addEventListener('blur', function () {
+ self.emit('blur', { terminal: self });
+ });
+ this.helperContainer.appendChild(this.textarea);
+ this.compositionView = document.createElement('div');
+ this.compositionView.classList.add('composition-view');
+ this.compositionHelper = new CompositionHelper_js_1.CompositionHelper(this.textarea, this.compositionView, this);
+ this.helperContainer.appendChild(this.compositionView);
+ this.charMeasureElement = document.createElement('div');
+ this.charMeasureElement.classList.add('xterm-char-measure-element');
+ this.charMeasureElement.innerHTML = 'W';
+ this.helperContainer.appendChild(this.charMeasureElement);
+ for (; i < this.rows; i++) {
+ this.insertRow();
+ }
+ this.parent.appendChild(this.element);
+ this.viewport = new Viewport_js_1.Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasureElement);
+ // Draw the screen.
+ this.refresh(0, this.rows - 1);
+ // Initialize global actions that
+ // need to be taken on the document.
+ this.initGlobal();
+ // Ensure there is a Terminal.focus.
+ this.focus();
+ on(this.element, 'click', function () {
+ var selection = document.getSelection(), collapsed = selection.isCollapsed, isRange = typeof collapsed == 'boolean' ? !collapsed : selection.type == 'Range';
+ if (!isRange) {
+ self.focus();
+ }
+ });
+ // Listen for mouse events and translate
+ // them into terminal mouse protocols.
+ this.bindMouse();
+ // Figure out whether boldness affects
+ // the character width of monospace fonts.
+ if (Terminal.brokenBold == null) {
+ Terminal.brokenBold = isBoldBroken(this.document);
+ }
+ /**
+ * This event is emitted when terminal has completed opening.
+ *
+ * @event open
+ */
+ this.emit('open');
+};
+/**
* Attempts to load an add-on using CommonJS or RequireJS (whichever is available).
* @param {string} addon The name of the addon to load
* @static
- */Terminal.loadAddon=function(addon,callback){if((typeof exports==='undefined'?'undefined':_typeof(exports))==='object'&&(typeof module==='undefined'?'undefined':_typeof(module))==='object'){// CommonJS
-return _dereq_('../addons/'+addon);}else if(typeof define=='function'){// RequireJS
-return _dereq_(['../addons/'+addon+'/'+addon],callback);}else{console.error('Cannot load a module without a CommonJS or RequireJS environment.');return false;}};/**
+ */
+Terminal.loadAddon = function (addon, callback) {
+ if (typeof exports === 'object' && typeof module === 'object') {
+ // CommonJS
+ return require('./addons/' + addon + '/' + addon);
+ }
+ else if (typeof define == 'function') {
+ // RequireJS
+ return require(['./addons/' + addon + '/' + addon], callback);
+ }
+ else {
+ console.error('Cannot load a module without a CommonJS or RequireJS environment.');
+ return false;
+ }
+};
+/**
* XTerm mouse events
* http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking
* To better understand these
* button.c, charproc.c, misc.c
* Relevant functions in xterm/button.c:
* BtnCode, EmitButtonCode, EditorButton, SendMousePosition
- */Terminal.prototype.bindMouse=function(){var el=this.element,self=this,pressed=32;// mouseup, mousedown, wheel
-// left click: ^[[M 3<^[[M#3<
-// wheel up: ^[[M`3>
-function sendButton(ev){var button,pos;// get the xterm-style button
-button=getButton(ev);// get mouse coordinates
-pos=getCoords(ev);if(!pos)return;sendEvent(button,pos);switch(ev.overrideType||ev.type){case'mousedown':pressed=button;break;case'mouseup':// keep it at the left
-// button, just in case.
-pressed=32;break;case'wheel':// nothing. don't
-// interfere with
-// `pressed`.
-break;}}// motion example of a left click:
-// ^[[M 3<^[[M@4<^[[M@5<^[[M@6<^[[M@7<^[[M#7<
-function sendMove(ev){var button=pressed,pos;pos=getCoords(ev);if(!pos)return;// buttons marked as motions
-// are incremented by 32
-button+=32;sendEvent(button,pos);}// encode button and
-// position to characters
-function encode(data,ch){if(!self.utfMouse){if(ch===255)return data.push(0);if(ch>127)ch=127;data.push(ch);}else{if(ch===2047)return data.push(0);if(ch<127){data.push(ch);}else{if(ch>2047)ch=2047;data.push(0xC0|ch>>6);data.push(0x80|ch&0x3F);}}}// send a mouse event:
-// regular/utf8: ^[[M Cb Cx Cy
-// urxvt: ^[[ Cb ; Cx ; Cy M
-// sgr: ^[[ Cb ; Cx ; Cy M/m
-// vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \r
-// locator: CSI P e ; P b ; P r ; P c ; P p & w
-function sendEvent(button,pos){// self.emit('mouse', {
-// x: pos.x - 32,
-// y: pos.x - 32,
-// button: button
-// });
-if(self.vt300Mouse){// NOTE: Unstable.
-// http://www.vt100.net/docs/vt3xx-gp/chapter15.html
-button&=3;pos.x-=32;pos.y-=32;var data='\x1b[24';if(button===0)data+='1';else if(button===1)data+='3';else if(button===2)data+='5';else if(button===3)return;else data+='0';data+='~['+pos.x+','+pos.y+']\r';self.send(data);return;}if(self.decLocator){// NOTE: Unstable.
-button&=3;pos.x-=32;pos.y-=32;if(button===0)button=2;else if(button===1)button=4;else if(button===2)button=6;else if(button===3)button=3;self.send('\x1b['+button+';'+(button===3?4:0)+';'+pos.y+';'+pos.x+';'+(pos.page||0)+'&w');return;}if(self.urxvtMouse){pos.x-=32;pos.y-=32;pos.x++;pos.y++;self.send('\x1b['+button+';'+pos.x+';'+pos.y+'M');return;}if(self.sgrMouse){pos.x-=32;pos.y-=32;self.send('\x1b[<'+((button&3)===3?button&~3:button)+';'+pos.x+';'+pos.y+((button&3)===3?'m':'M'));return;}var data=[];encode(data,button);encode(data,pos.x);encode(data,pos.y);self.send('\x1b[M'+String.fromCharCode.apply(String,data));}function getButton(ev){var button,shift,meta,ctrl,mod;// two low bits:
-// 0 = left
-// 1 = middle
-// 2 = right
-// 3 = release
-// wheel up/down:
-// 1, and 2 - with 64 added
-switch(ev.overrideType||ev.type){case'mousedown':button=ev.button!=null?+ev.button:ev.which!=null?ev.which-1:null;if(self.browser.isMSIE){button=button===1?0:button===4?1:button;}break;case'mouseup':button=3;break;case'DOMMouseScroll':button=ev.detail<0?64:65;break;case'wheel':button=ev.wheelDeltaY>0?64:65;break;}// next three bits are the modifiers:
-// 4 = shift, 8 = meta, 16 = control
-shift=ev.shiftKey?4:0;meta=ev.metaKey?8:0;ctrl=ev.ctrlKey?16:0;mod=shift|meta|ctrl;// no mods
-if(self.vt200Mouse){// ctrl only
-mod&=ctrl;}else if(!self.normalMouse){mod=0;}// increment to SP
-button=32+(mod<<2)+button;return button;}// mouse coordinates measured in cols/rows
-function getCoords(ev){var x,y,w,h,el;// ignore browsers without pageX for now
-if(ev.pageX==null)return;x=ev.pageX;y=ev.pageY;el=self.element;// should probably check offsetParent
-// but this is more portable
-while(el&&el!==self.document.documentElement){x-=el.offsetLeft;y-=el.offsetTop;el='offsetParent'in el?el.offsetParent:el.parentNode;}// convert to cols/rows
-w=self.element.clientWidth;h=self.element.clientHeight;x=Math.ceil(x/w*self.cols);y=Math.ceil(y/h*self.rows);// be sure to avoid sending
-// bad positions to the program
-if(x<0)x=0;if(x>self.cols)x=self.cols;if(y<0)y=0;if(y>self.rows)y=self.rows;// xterm sends raw bytes and
-// starts at 32 (SP) for each.
-x+=32;y+=32;return{x:x,y:y,type:'wheel'};}on(el,'mousedown',function(ev){if(!self.mouseEvents)return;// send the button
-sendButton(ev);// ensure focus
-self.focus();// fix for odd bug
-//if (self.vt200Mouse && !self.normalMouse) {
-if(self.vt200Mouse){ev.overrideType='mouseup';sendButton(ev);return self.cancel(ev);}// bind events
-if(self.normalMouse)on(self.document,'mousemove',sendMove);// x10 compatibility mode can't send button releases
-if(!self.x10Mouse){on(self.document,'mouseup',function up(ev){sendButton(ev);if(self.normalMouse)off(self.document,'mousemove',sendMove);off(self.document,'mouseup',up);return self.cancel(ev);});}return self.cancel(ev);});//if (self.normalMouse) {
-// on(self.document, 'mousemove', sendMove);
-//}
-on(el,'wheel',function(ev){if(!self.mouseEvents)return;if(self.x10Mouse||self.vt300Mouse||self.decLocator)return;sendButton(ev);return self.cancel(ev);});// allow wheel scrolling in
-// the shell for example
-on(el,'wheel',function(ev){if(self.mouseEvents)return;self.viewport.onWheel(ev);return self.cancel(ev);});};/**
+ */
+Terminal.prototype.bindMouse = function () {
+ var el = this.element, self = this, pressed = 32;
+ // mouseup, mousedown, wheel
+ // left click: ^[[M 3<^[[M#3<
+ // wheel up: ^[[M`3>
+ function sendButton(ev) {
+ var button, pos;
+ // get the xterm-style button
+ button = getButton(ev);
+ // get mouse coordinates
+ pos = getCoords(ev);
+ if (!pos)
+ return;
+ sendEvent(button, pos);
+ switch (ev.overrideType || ev.type) {
+ case 'mousedown':
+ pressed = button;
+ break;
+ case 'mouseup':
+ // keep it at the left
+ // button, just in case.
+ pressed = 32;
+ break;
+ case 'wheel':
+ // nothing. don't
+ // interfere with
+ // `pressed`.
+ break;
+ }
+ }
+ // motion example of a left click:
+ // ^[[M 3<^[[M@4<^[[M@5<^[[M@6<^[[M@7<^[[M#7<
+ function sendMove(ev) {
+ var button = pressed, pos;
+ pos = getCoords(ev);
+ if (!pos)
+ return;
+ // buttons marked as motions
+ // are incremented by 32
+ button += 32;
+ sendEvent(button, pos);
+ }
+ // encode button and
+ // position to characters
+ function encode(data, ch) {
+ if (!self.utfMouse) {
+ if (ch === 255)
+ return data.push(0);
+ if (ch > 127)
+ ch = 127;
+ data.push(ch);
+ }
+ else {
+ if (ch === 2047)
+ return data.push(0);
+ if (ch < 127) {
+ data.push(ch);
+ }
+ else {
+ if (ch > 2047)
+ ch = 2047;
+ data.push(0xC0 | (ch >> 6));
+ data.push(0x80 | (ch & 0x3F));
+ }
+ }
+ }
+ // send a mouse event:
+ // regular/utf8: ^[[M Cb Cx Cy
+ // urxvt: ^[[ Cb ; Cx ; Cy M
+ // sgr: ^[[ Cb ; Cx ; Cy M/m
+ // vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \r
+ // locator: CSI P e ; P b ; P r ; P c ; P p & w
+ function sendEvent(button, pos) {
+ // self.emit('mouse', {
+ // x: pos.x - 32,
+ // y: pos.x - 32,
+ // button: button
+ // });
+ if (self.vt300Mouse) {
+ // NOTE: Unstable.
+ // http://www.vt100.net/docs/vt3xx-gp/chapter15.html
+ button &= 3;
+ pos.x -= 32;
+ pos.y -= 32;
+ var data = '\x1b[24';
+ if (button === 0)
+ data += '1';
+ else if (button === 1)
+ data += '3';
+ else if (button === 2)
+ data += '5';
+ else if (button === 3)
+ return;
+ else
+ data += '0';
+ data += '~[' + pos.x + ',' + pos.y + ']\r';
+ self.send(data);
+ return;
+ }
+ if (self.decLocator) {
+ // NOTE: Unstable.
+ button &= 3;
+ pos.x -= 32;
+ pos.y -= 32;
+ if (button === 0)
+ button = 2;
+ else if (button === 1)
+ button = 4;
+ else if (button === 2)
+ button = 6;
+ else if (button === 3)
+ button = 3;
+ self.send('\x1b['
+ + button
+ + ';'
+ + (button === 3 ? 4 : 0)
+ + ';'
+ + pos.y
+ + ';'
+ + pos.x
+ + ';'
+ + (pos.page || 0)
+ + '&w');
+ return;
+ }
+ if (self.urxvtMouse) {
+ pos.x -= 32;
+ pos.y -= 32;
+ pos.x++;
+ pos.y++;
+ self.send('\x1b[' + button + ';' + pos.x + ';' + pos.y + 'M');
+ return;
+ }
+ if (self.sgrMouse) {
+ pos.x -= 32;
+ pos.y -= 32;
+ self.send('\x1b[<'
+ + ((button & 3) === 3 ? button & ~3 : button)
+ + ';'
+ + pos.x
+ + ';'
+ + pos.y
+ + ((button & 3) === 3 ? 'm' : 'M'));
+ return;
+ }
+ var data = [];
+ encode(data, button);
+ encode(data, pos.x);
+ encode(data, pos.y);
+ self.send('\x1b[M' + String.fromCharCode.apply(String, data));
+ }
+ function getButton(ev) {
+ var button, shift, meta, ctrl, mod;
+ // two low bits:
+ // 0 = left
+ // 1 = middle
+ // 2 = right
+ // 3 = release
+ // wheel up/down:
+ // 1, and 2 - with 64 added
+ switch (ev.overrideType || ev.type) {
+ case 'mousedown':
+ button = ev.button != null
+ ? +ev.button
+ : ev.which != null
+ ? ev.which - 1
+ : null;
+ if (self.browser.isMSIE) {
+ button = button === 1 ? 0 : button === 4 ? 1 : button;
+ }
+ break;
+ case 'mouseup':
+ button = 3;
+ break;
+ case 'DOMMouseScroll':
+ button = ev.detail < 0
+ ? 64
+ : 65;
+ break;
+ case 'wheel':
+ button = ev.wheelDeltaY > 0
+ ? 64
+ : 65;
+ break;
+ }
+ // next three bits are the modifiers:
+ // 4 = shift, 8 = meta, 16 = control
+ shift = ev.shiftKey ? 4 : 0;
+ meta = ev.metaKey ? 8 : 0;
+ ctrl = ev.ctrlKey ? 16 : 0;
+ mod = shift | meta | ctrl;
+ // no mods
+ if (self.vt200Mouse) {
+ // ctrl only
+ mod &= ctrl;
+ }
+ else if (!self.normalMouse) {
+ mod = 0;
+ }
+ // increment to SP
+ button = (32 + (mod << 2)) + button;
+ return button;
+ }
+ // mouse coordinates measured in cols/rows
+ function getCoords(ev) {
+ var x, y, w, h, el;
+ // ignore browsers without pageX for now
+ if (ev.pageX == null)
+ return;
+ x = ev.pageX;
+ y = ev.pageY;
+ el = self.element;
+ // should probably check offsetParent
+ // but this is more portable
+ while (el && el !== self.document.documentElement) {
+ x -= el.offsetLeft;
+ y -= el.offsetTop;
+ el = 'offsetParent' in el
+ ? el.offsetParent
+ : el.parentNode;
+ }
+ // convert to cols/rows
+ w = self.element.clientWidth;
+ h = self.element.clientHeight;
+ x = Math.ceil((x / w) * self.cols);
+ y = Math.ceil((y / h) * self.rows);
+ // be sure to avoid sending
+ // bad positions to the program
+ if (x < 0)
+ x = 0;
+ if (x > self.cols)
+ x = self.cols;
+ if (y < 0)
+ y = 0;
+ if (y > self.rows)
+ y = self.rows;
+ // xterm sends raw bytes and
+ // starts at 32 (SP) for each.
+ x += 32;
+ y += 32;
+ return {
+ x: x,
+ y: y,
+ type: 'wheel'
+ };
+ }
+ on(el, 'mousedown', function (ev) {
+ if (!self.mouseEvents)
+ return;
+ // send the button
+ sendButton(ev);
+ // ensure focus
+ self.focus();
+ // fix for odd bug
+ //if (self.vt200Mouse && !self.normalMouse) {
+ if (self.vt200Mouse) {
+ ev.overrideType = 'mouseup';
+ sendButton(ev);
+ return self.cancel(ev);
+ }
+ // bind events
+ if (self.normalMouse)
+ on(self.document, 'mousemove', sendMove);
+ // x10 compatibility mode can't send button releases
+ if (!self.x10Mouse) {
+ on(self.document, 'mouseup', function up(ev) {
+ sendButton(ev);
+ if (self.normalMouse)
+ off(self.document, 'mousemove', sendMove);
+ off(self.document, 'mouseup', up);
+ return self.cancel(ev);
+ });
+ }
+ return self.cancel(ev);
+ });
+ //if (self.normalMouse) {
+ // on(self.document, 'mousemove', sendMove);
+ //}
+ on(el, 'wheel', function (ev) {
+ if (!self.mouseEvents)
+ return;
+ if (self.x10Mouse
+ || self.vt300Mouse
+ || self.decLocator)
+ return;
+ sendButton(ev);
+ return self.cancel(ev);
+ });
+ // allow wheel scrolling in
+ // the shell for example
+ on(el, 'wheel', function (ev) {
+ if (self.mouseEvents)
+ return;
+ self.viewport.onWheel(ev);
+ return self.cancel(ev);
+ });
+};
+/**
* Destroys the terminal.
- */Terminal.prototype.destroy=function(){this.readable=false;this.writable=false;this._events={};this.handler=function(){};this.write=function(){};if(this.element.parentNode){this.element.parentNode.removeChild(this.element);}//this.emit('close');
-};/**
+ */
+Terminal.prototype.destroy = function () {
+ this.readable = false;
+ this.writable = false;
+ this._events = {};
+ this.handler = function () { };
+ this.write = function () { };
+ if (this.element.parentNode) {
+ this.element.parentNode.removeChild(this.element);
+ }
+ //this.emit('close');
+};
+/**
* Flags used to render terminal text properly
- */Terminal.flags={BOLD:1,UNDERLINE:2,BLINK:4,INVERSE:8,INVISIBLE:16};/**
+ */
+Terminal.flags = {
+ BOLD: 1,
+ UNDERLINE: 2,
+ BLINK: 4,
+ INVERSE: 8,
+ INVISIBLE: 16
+};
+/**
* Refreshes (re-renders) terminal content within two rows (inclusive)
*
* Rendering Engine:
* @param {number} start The row to start from (between 0 and terminal's height terminal - 1)
* @param {number} end The row to end at (between fromRow and terminal's height terminal - 1)
* @param {boolean} queue Whether the refresh should ran right now or be queued
- */Terminal.prototype.refresh=function(start,end,queue){var self=this;// queue defaults to true
-queue=typeof queue=='undefined'?true:queue;/**
- * The refresh queue allows refresh to execute only approximately 30 times a second. For
- * commands that pass a significant amount of output to the write function, this prevents the
- * terminal from maxing out the CPU and making the UI unresponsive. While commands can still
- * run beyond what they do on the terminal, it is far better with a debounce in place as
- * every single terminal manipulation does not need to be constructed in the DOM.
- *
- * A side-effect of this is that it makes ^C to interrupt a process seem more responsive.
- */if(queue){// If refresh should be queued, order the refresh and return.
-if(this._refreshIsQueued){// If a refresh has already been queued, just order a full refresh next
-this._fullRefreshNext=true;}else{setTimeout(function(){self.refresh(start,end,false);},34);this._refreshIsQueued=true;}return;}// If refresh should be run right now (not be queued), release the lock
-this._refreshIsQueued=false;// If multiple refreshes were requested, make a full refresh.
-if(this._fullRefreshNext){start=0;end=this.rows-1;this._fullRefreshNext=false;// reset lock
-}var x,y,i,line,out,ch,ch_width,width,data,attr,bg,fg,flags,row,parent,focused=document.activeElement;// If this is a big refresh, remove the terminal rows from the DOM for faster calculations
-if(end-start>=this.rows/2){parent=this.element.parentNode;if(parent){this.element.removeChild(this.rowContainer);}}width=this.cols;y=start;if(end>=this.rows.length){this.log('`end` is too large. Most likely a bad CSR.');end=this.rows.length-1;}for(;y<=end;y++){row=y+this.ydisp;line=this.lines[row];out='';if(this.y===y-(this.ybase-this.ydisp)&&this.cursorState&&!this.cursorHidden){x=this.x;}else{x=-1;}attr=this.defAttr;i=0;for(;i<width;i++){data=line[i][0];ch=line[i][1];ch_width=line[i][2];if(!ch_width)continue;if(i===x)data=-1;if(data!==attr){if(attr!==this.defAttr){out+='</span>';}if(data!==this.defAttr){if(data===-1){out+='<span class="reverse-video terminal-cursor';if(this.cursorBlink){out+=' blinking';}out+='">';}else{var classNames=[];bg=data&0x1ff;fg=data>>9&0x1ff;flags=data>>18;if(flags&Terminal.flags.BOLD){if(!Terminal.brokenBold){classNames.push('xterm-bold');}// See: XTerm*boldColors
-if(fg<8)fg+=8;}if(flags&Terminal.flags.UNDERLINE){classNames.push('xterm-underline');}if(flags&Terminal.flags.BLINK){classNames.push('xterm-blink');}// If inverse flag is on, then swap the foreground and background variables.
-if(flags&Terminal.flags.INVERSE){/* One-line variable swap in JavaScript: http://stackoverflow.com/a/16201730 */bg=[fg,fg=bg][0];// Should inverse just be before the
-// above boldColors effect instead?
-if(flags&1&&fg<8)fg+=8;}if(flags&Terminal.flags.INVISIBLE){classNames.push('xterm-hidden');}/**
- * Weird situation: Invert flag used black foreground and white background results
- * in invalid background color, positioned at the 256 index of the 256 terminal
- * color map. Pin the colors manually in such a case.
- *
- * Source: https://github.com/sourcelair/xterm.js/issues/57
- */if(flags&Terminal.flags.INVERSE){if(bg==257){bg=15;}if(fg==256){fg=0;}}if(bg<256){classNames.push('xterm-bg-color-'+bg);}if(fg<256){classNames.push('xterm-color-'+fg);}out+='<span';if(classNames.length){out+=' class="'+classNames.join(' ')+'"';}out+='>';}}}switch(ch){case'&':out+='&';break;case'<':out+='<';break;case'>':out+='>';break;default:if(ch<=' '){out+=' ';}else{out+=ch;}break;}attr=data;}if(attr!==this.defAttr){out+='</span>';}this.children[y].innerHTML=out;}if(parent){this.element.appendChild(this.rowContainer);}this.emit('refresh',{element:this.element,start:start,end:end});};/**
+ */
+Terminal.prototype.refresh = function (start, end, queue) {
+ var self = this;
+ // queue defaults to true
+ queue = (typeof queue == 'undefined') ? true : queue;
+ /**
+ * The refresh queue allows refresh to execute only approximately 30 times a second. For
+ * commands that pass a significant amount of output to the write function, this prevents the
+ * terminal from maxing out the CPU and making the UI unresponsive. While commands can still
+ * run beyond what they do on the terminal, it is far better with a debounce in place as
+ * every single terminal manipulation does not need to be constructed in the DOM.
+ *
+ * A side-effect of this is that it makes ^C to interrupt a process seem more responsive.
+ */
+ if (queue) {
+ // If refresh should be queued, order the refresh and return.
+ if (this._refreshIsQueued) {
+ // If a refresh has already been queued, just order a full refresh next
+ this._fullRefreshNext = true;
+ }
+ else {
+ setTimeout(function () {
+ self.refresh(start, end, false);
+ }, 34);
+ this._refreshIsQueued = true;
+ }
+ return;
+ }
+ // If refresh should be run right now (not be queued), release the lock
+ this._refreshIsQueued = false;
+ // If multiple refreshes were requested, make a full refresh.
+ if (this._fullRefreshNext) {
+ start = 0;
+ end = this.rows - 1;
+ this._fullRefreshNext = false; // reset lock
+ }
+ var x, y, i, line, out, ch, ch_width, width, data, attr, bg, fg, flags, row, parent, focused = document.activeElement;
+ // If this is a big refresh, remove the terminal rows from the DOM for faster calculations
+ if (end - start >= this.rows / 2) {
+ parent = this.element.parentNode;
+ if (parent) {
+ this.element.removeChild(this.rowContainer);
+ }
+ }
+ width = this.cols;
+ y = start;
+ if (end >= this.rows.length) {
+ this.log('`end` is too large. Most likely a bad CSR.');
+ end = this.rows.length - 1;
+ }
+ for (; y <= end; y++) {
+ row = y + this.ydisp;
+ line = this.lines[row];
+ out = '';
+ if (this.y === y - (this.ybase - this.ydisp)
+ && this.cursorState
+ && !this.cursorHidden) {
+ x = this.x;
+ }
+ else {
+ x = -1;
+ }
+ attr = this.defAttr;
+ i = 0;
+ for (; i < width; i++) {
+ data = line[i][0];
+ ch = line[i][1];
+ ch_width = line[i][2];
+ if (!ch_width)
+ continue;
+ if (i === x)
+ data = -1;
+ if (data !== attr) {
+ if (attr !== this.defAttr) {
+ out += '</span>';
+ }
+ if (data !== this.defAttr) {
+ if (data === -1) {
+ out += '<span class="reverse-video terminal-cursor';
+ if (this.cursorBlink) {
+ out += ' blinking';
+ }
+ out += '">';
+ }
+ else {
+ var classNames = [];
+ bg = data & 0x1ff;
+ fg = (data >> 9) & 0x1ff;
+ flags = data >> 18;
+ if (flags & Terminal.flags.BOLD) {
+ if (!Terminal.brokenBold) {
+ classNames.push('xterm-bold');
+ }
+ // See: XTerm*boldColors
+ if (fg < 8)
+ fg += 8;
+ }
+ if (flags & Terminal.flags.UNDERLINE) {
+ classNames.push('xterm-underline');
+ }
+ if (flags & Terminal.flags.BLINK) {
+ classNames.push('xterm-blink');
+ }
+ // If inverse flag is on, then swap the foreground and background variables.
+ if (flags & Terminal.flags.INVERSE) {
+ /* One-line variable swap in JavaScript: http://stackoverflow.com/a/16201730 */
+ bg = [fg, fg = bg][0];
+ // Should inverse just be before the
+ // above boldColors effect instead?
+ if ((flags & 1) && fg < 8)
+ fg += 8;
+ }
+ if (flags & Terminal.flags.INVISIBLE) {
+ classNames.push('xterm-hidden');
+ }
+ /**
+ * Weird situation: Invert flag used black foreground and white background results
+ * in invalid background color, positioned at the 256 index of the 256 terminal
+ * color map. Pin the colors manually in such a case.
+ *
+ * Source: https://github.com/sourcelair/xterm.js/issues/57
+ */
+ if (flags & Terminal.flags.INVERSE) {
+ if (bg == 257) {
+ bg = 15;
+ }
+ if (fg == 256) {
+ fg = 0;
+ }
+ }
+ if (bg < 256) {
+ classNames.push('xterm-bg-color-' + bg);
+ }
+ if (fg < 256) {
+ classNames.push('xterm-color-' + fg);
+ }
+ out += '<span';
+ if (classNames.length) {
+ out += ' class="' + classNames.join(' ') + '"';
+ }
+ out += '>';
+ }
+ }
+ }
+ switch (ch) {
+ case '&':
+ out += '&';
+ break;
+ case '<':
+ out += '<';
+ break;
+ case '>':
+ out += '>';
+ break;
+ default:
+ if (ch <= ' ') {
+ out += ' ';
+ }
+ else {
+ out += ch;
+ }
+ break;
+ }
+ attr = data;
+ }
+ if (attr !== this.defAttr) {
+ out += '</span>';
+ }
+ this.children[y].innerHTML = out;
+ }
+ if (parent) {
+ this.element.appendChild(this.rowContainer);
+ }
+ this.emit('refresh', { element: this.element, start: start, end: end });
+};
+/**
* Display the cursor element
- */Terminal.prototype.showCursor=function(){if(!this.cursorState){this.cursorState=1;this.refresh(this.y,this.y);}};/**
+ */
+Terminal.prototype.showCursor = function () {
+ if (!this.cursorState) {
+ this.cursorState = 1;
+ this.refresh(this.y, this.y);
+ }
+};
+/**
* Scroll the terminal
- */Terminal.prototype.scroll=function(){var row;if(++this.ybase===this.scrollback){this.ybase=this.ybase/2|0;this.lines=this.lines.slice(-(this.ybase+this.rows)+1);}if(!this.userScrolling){this.ydisp=this.ybase;}// last line
-row=this.ybase+this.rows-1;// subtract the bottom scroll region
-row-=this.rows-1-this.scrollBottom;if(row===this.lines.length){// potential optimization:
-// pushing is faster than splicing
-// when they amount to the same
-// behavior.
-this.lines.push(this.blankLine());}else{// add our new line
-this.lines.splice(row,0,this.blankLine());}if(this.scrollTop!==0){if(this.ybase!==0){this.ybase--;if(!this.userScrolling){this.ydisp=this.ybase;}}this.lines.splice(this.ybase+this.scrollTop,1);}// this.maxRange();
-this.updateRange(this.scrollTop);this.updateRange(this.scrollBottom);this.emit('scroll',this.ydisp);};/**
+ */
+Terminal.prototype.scroll = function () {
+ var row;
+ if (++this.ybase === this.scrollback) {
+ this.ybase = this.ybase / 2 | 0;
+ this.lines = this.lines.slice(-(this.ybase + this.rows) + 1);
+ }
+ if (!this.userScrolling) {
+ this.ydisp = this.ybase;
+ }
+ // last line
+ row = this.ybase + this.rows - 1;
+ // subtract the bottom scroll region
+ row -= this.rows - 1 - this.scrollBottom;
+ if (row === this.lines.length) {
+ // potential optimization:
+ // pushing is faster than splicing
+ // when they amount to the same
+ // behavior.
+ this.lines.push(this.blankLine());
+ }
+ else {
+ // add our new line
+ this.lines.splice(row, 0, this.blankLine());
+ }
+ if (this.scrollTop !== 0) {
+ if (this.ybase !== 0) {
+ this.ybase--;
+ if (!this.userScrolling) {
+ this.ydisp = this.ybase;
+ }
+ }
+ this.lines.splice(this.ybase + this.scrollTop, 1);
+ }
+ // this.maxRange();
+ this.updateRange(this.scrollTop);
+ this.updateRange(this.scrollBottom);
+ /**
+ * This event is emitted whenever the terminal is scrolled.
+ * The one parameter passed is the new y display position.
+ *
+ * @event scroll
+ */
+ this.emit('scroll', this.ydisp);
+};
+/**
* Scroll the display of the terminal
* @param {number} disp The number of lines to scroll down (negatives scroll up).
* @param {boolean} suppressScrollEvent Don't emit the scroll event as scrollDisp. This is used
* to avoid unwanted events being handled by the veiwport when the event was triggered from the
* viewport originally.
- */Terminal.prototype.scrollDisp=function(disp,suppressScrollEvent){if(disp<0){this.userScrolling=true;}else if(disp+this.ydisp>=this.ybase){this.userScrolling=false;}this.ydisp+=disp;if(this.ydisp>this.ybase){this.ydisp=this.ybase;}else if(this.ydisp<0){this.ydisp=0;}if(!suppressScrollEvent){this.emit('scroll',this.ydisp);}this.refresh(0,this.rows-1);};/**
+ */
+Terminal.prototype.scrollDisp = function (disp, suppressScrollEvent) {
+ if (disp < 0) {
+ this.userScrolling = true;
+ }
+ else if (disp + this.ydisp >= this.ybase) {
+ this.userScrolling = false;
+ }
+ this.ydisp += disp;
+ if (this.ydisp > this.ybase) {
+ this.ydisp = this.ybase;
+ }
+ else if (this.ydisp < 0) {
+ this.ydisp = 0;
+ }
+ if (!suppressScrollEvent) {
+ this.emit('scroll', this.ydisp);
+ }
+ this.refresh(0, this.rows - 1);
+};
+/**
* Scroll the display of the terminal by a number of pages.
* @param {number} pageCount The number of pages to scroll (negative scrolls up).
- */Terminal.prototype.scrollPages=function(pageCount){this.scrollDisp(pageCount*(this.rows-1));};/**
+ */
+Terminal.prototype.scrollPages = function (pageCount) {
+ this.scrollDisp(pageCount * (this.rows - 1));
+};
+/**
* Scrolls the display of the terminal to the top.
- */Terminal.prototype.scrollToTop=function(){this.scrollDisp(-this.ydisp);};/**
+ */
+Terminal.prototype.scrollToTop = function () {
+ this.scrollDisp(-this.ydisp);
+};
+/**
* Scrolls the display of the terminal to the bottom.
- */Terminal.prototype.scrollToBottom=function(){this.scrollDisp(this.ybase-this.ydisp);};/**
+ */
+Terminal.prototype.scrollToBottom = function () {
+ this.scrollDisp(this.ybase - this.ydisp);
+};
+/**
* Writes text to the terminal.
* @param {string} text The text to write to the terminal.
- */Terminal.prototype.write=function(data){var l=data.length,i=0,j,cs,ch,code,low,ch_width,row;this.refreshStart=this.y;this.refreshEnd=this.y;// apply leftover surrogate high from last write
-if(this.surrogate_high){data=this.surrogate_high+data;this.surrogate_high='';}for(;i<l;i++){ch=data[i];// FIXME: higher chars than 0xa0 are not allowed in escape sequences
-// --> maybe move to default
-code=data.charCodeAt(i);if(0xD800<=code&&code<=0xDBFF){// we got a surrogate high
-// get surrogate low (next 2 bytes)
-low=data.charCodeAt(i+1);if(isNaN(low)){// end of data stream, save surrogate high
-this.surrogate_high=ch;continue;}code=(code-0xD800)*0x400+(low-0xDC00)+0x10000;ch+=data.charAt(i+1);}// surrogate low - already handled above
-if(0xDC00<=code&&code<=0xDFFF)continue;switch(this.state){case normal:switch(ch){case'\x07':this.bell();break;// '\n', '\v', '\f'
-case'\n':case'\x0b':case'\x0c':if(this.convertEol){this.x=0;}this.y++;if(this.y>this.scrollBottom){this.y--;this.scroll();}break;// '\r'
-case'\r':this.x=0;break;// '\b'
-case'\x08':if(this.x>0){this.x--;}break;// '\t'
-case'\t':this.x=this.nextStop();break;// shift out
-case'\x0e':this.setgLevel(1);break;// shift in
-case'\x0f':this.setgLevel(0);break;// '\e'
-case'\x1b':this.state=escaped;break;default:// ' '
-// calculate print space
-// expensive call, therefore we save width in line buffer
-ch_width=wcwidth(code);if(ch>=' '){if(this.charset&&this.charset[ch]){ch=this.charset[ch];}row=this.y+this.ybase;// insert combining char in last cell
-// FIXME: needs handling after cursor jumps
-if(!ch_width&&this.x){// dont overflow left
-if(this.lines[row][this.x-1]){if(!this.lines[row][this.x-1][2]){// found empty cell after fullwidth, need to go 2 cells back
-if(this.lines[row][this.x-2])this.lines[row][this.x-2][1]+=ch;}else{this.lines[row][this.x-1][1]+=ch;}this.updateRange(this.y);}break;}// goto next line if ch would overflow
-// TODO: needs a global min terminal width of 2
-if(this.x+ch_width-1>=this.cols){// autowrap - DECAWM
-if(this.wraparoundMode){this.x=0;this.y++;if(this.y>this.scrollBottom){this.y--;this.scroll();}}else{this.x=this.cols-1;if(ch_width===2)// FIXME: check for xterm behavior
-continue;}}row=this.y+this.ybase;// insert mode: move characters to right
-if(this.insertMode){// do this twice for a fullwidth char
-for(var moves=0;moves<ch_width;++moves){// remove last cell, if it's width is 0
-// we have to adjust the second last cell as well
-var removed=this.lines[this.y+this.ybase].pop();if(removed[2]===0&&this.lines[row][this.cols-2]&&this.lines[row][this.cols-2][2]===2)this.lines[row][this.cols-2]=[this.curAttr,' ',1];// insert empty cell at cursor
-this.lines[row].splice(this.x,0,[this.curAttr,' ',1]);}}this.lines[row][this.x]=[this.curAttr,ch,ch_width];this.x++;this.updateRange(this.y);// fullwidth char - set next cell width to zero and advance cursor
-if(ch_width===2){this.lines[row][this.x]=[this.curAttr,'',0];this.x++;}}break;}break;case escaped:switch(ch){// ESC [ Control Sequence Introducer ( CSI is 0x9b).
-case'[':this.params=[];this.currentParam=0;this.state=csi;break;// ESC ] Operating System Command ( OSC is 0x9d).
-case']':this.params=[];this.currentParam=0;this.state=osc;break;// ESC P Device Control String ( DCS is 0x90).
-case'P':this.params=[];this.currentParam=0;this.state=dcs;break;// ESC _ Application Program Command ( APC is 0x9f).
-case'_':this.state=ignore;break;// ESC ^ Privacy Message ( PM is 0x9e).
-case'^':this.state=ignore;break;// ESC c Full Reset (RIS).
-case'c':this.reset();break;// ESC E Next Line ( NEL is 0x85).
-// ESC D Index ( IND is 0x84).
-case'E':this.x=0;;case'D':this.index();break;// ESC M Reverse Index ( RI is 0x8d).
-case'M':this.reverseIndex();break;// ESC % Select default/utf-8 character set.
-// @ = default, G = utf-8
-case'%'://this.charset = null;
-this.setgLevel(0);this.setgCharset(0,Terminal.charsets.US);this.state=normal;i++;break;// ESC (,),*,+,-,. Designate G0-G2 Character Set.
-case'(':// <-- this seems to get all the attention
-case')':case'*':case'+':case'-':case'.':switch(ch){case'(':this.gcharset=0;break;case')':this.gcharset=1;break;case'*':this.gcharset=2;break;case'+':this.gcharset=3;break;case'-':this.gcharset=1;break;case'.':this.gcharset=2;break;}this.state=charset;break;// Designate G3 Character Set (VT300).
-// A = ISO Latin-1 Supplemental.
-// Not implemented.
-case'/':this.gcharset=3;this.state=charset;i--;break;// ESC N
-// Single Shift Select of G2 Character Set
-// ( SS2 is 0x8e). This affects next character only.
-case'N':break;// ESC O
-// Single Shift Select of G3 Character Set
-// ( SS3 is 0x8f). This affects next character only.
-case'O':break;// ESC n
-// Invoke the G2 Character Set as GL (LS2).
-case'n':this.setgLevel(2);break;// ESC o
-// Invoke the G3 Character Set as GL (LS3).
-case'o':this.setgLevel(3);break;// ESC |
-// Invoke the G3 Character Set as GR (LS3R).
-case'|':this.setgLevel(3);break;// ESC }
-// Invoke the G2 Character Set as GR (LS2R).
-case'}':this.setgLevel(2);break;// ESC ~
-// Invoke the G1 Character Set as GR (LS1R).
-case'~':this.setgLevel(1);break;// ESC 7 Save Cursor (DECSC).
-case'7':this.saveCursor();this.state=normal;break;// ESC 8 Restore Cursor (DECRC).
-case'8':this.restoreCursor();this.state=normal;break;// ESC # 3 DEC line height/width
-case'#':this.state=normal;i++;break;// ESC H Tab Set (HTS is 0x88).
-case'H':this.tabSet();break;// ESC = Application Keypad (DECKPAM).
-case'=':this.log('Serial port requested application keypad.');this.applicationKeypad=true;this.viewport.syncScrollArea();this.state=normal;break;// ESC > Normal Keypad (DECKPNM).
-case'>':this.log('Switching back to normal keypad.');this.applicationKeypad=false;this.viewport.syncScrollArea();this.state=normal;break;default:this.state=normal;this.error('Unknown ESC control: %s.',ch);break;}break;case charset:switch(ch){case'0':// DEC Special Character and Line Drawing Set.
-cs=Terminal.charsets.SCLD;break;case'A':// UK
-cs=Terminal.charsets.UK;break;case'B':// United States (USASCII).
-cs=Terminal.charsets.US;break;case'4':// Dutch
-cs=Terminal.charsets.Dutch;break;case'C':// Finnish
-case'5':cs=Terminal.charsets.Finnish;break;case'R':// French
-cs=Terminal.charsets.French;break;case'Q':// FrenchCanadian
-cs=Terminal.charsets.FrenchCanadian;break;case'K':// German
-cs=Terminal.charsets.German;break;case'Y':// Italian
-cs=Terminal.charsets.Italian;break;case'E':// NorwegianDanish
-case'6':cs=Terminal.charsets.NorwegianDanish;break;case'Z':// Spanish
-cs=Terminal.charsets.Spanish;break;case'H':// Swedish
-case'7':cs=Terminal.charsets.Swedish;break;case'=':// Swiss
-cs=Terminal.charsets.Swiss;break;case'/':// ISOLatin (actually /A)
-cs=Terminal.charsets.ISOLatin;i++;break;default:// Default
-cs=Terminal.charsets.US;break;}this.setgCharset(this.gcharset,cs);this.gcharset=null;this.state=normal;break;case osc:// OSC Ps ; Pt ST
-// OSC Ps ; Pt BEL
-// Set Text Parameters.
-if(ch==='\x1b'||ch==='\x07'){if(ch==='\x1b')i++;this.params.push(this.currentParam);switch(this.params[0]){case 0:case 1:case 2:if(this.params[1]){this.title=this.params[1];this.handleTitle(this.title);}break;case 3:// set X property
-break;case 4:case 5:// change dynamic colors
-break;case 10:case 11:case 12:case 13:case 14:case 15:case 16:case 17:case 18:case 19:// change dynamic ui colors
-break;case 46:// change log file
-break;case 50:// dynamic font
-break;case 51:// emacs shell
-break;case 52:// manipulate selection data
-break;case 104:case 105:case 110:case 111:case 112:case 113:case 114:case 115:case 116:case 117:case 118:// reset colors
-break;}this.params=[];this.currentParam=0;this.state=normal;}else{if(!this.params.length){if(ch>='0'&&ch<='9'){this.currentParam=this.currentParam*10+ch.charCodeAt(0)-48;}else if(ch===';'){this.params.push(this.currentParam);this.currentParam='';}}else{this.currentParam+=ch;}}break;case csi:// '?', '>', '!'
-if(ch==='?'||ch==='>'||ch==='!'){this.prefix=ch;break;}// 0 - 9
-if(ch>='0'&&ch<='9'){this.currentParam=this.currentParam*10+ch.charCodeAt(0)-48;break;}// '$', '"', ' ', '\''
-if(ch==='$'||ch==='"'||ch===' '||ch==='\''){this.postfix=ch;break;}this.params.push(this.currentParam);this.currentParam=0;// ';'
-if(ch===';')break;this.state=normal;switch(ch){// CSI Ps A
-// Cursor Up Ps Times (default = 1) (CUU).
-case'A':this.cursorUp(this.params);break;// CSI Ps B
-// Cursor Down Ps Times (default = 1) (CUD).
-case'B':this.cursorDown(this.params);break;// CSI Ps C
-// Cursor Forward Ps Times (default = 1) (CUF).
-case'C':this.cursorForward(this.params);break;// CSI Ps D
-// Cursor Backward Ps Times (default = 1) (CUB).
-case'D':this.cursorBackward(this.params);break;// CSI Ps ; Ps H
-// Cursor Position [row;column] (default = [1,1]) (CUP).
-case'H':this.cursorPos(this.params);break;// CSI Ps J Erase in Display (ED).
-case'J':this.eraseInDisplay(this.params);break;// CSI Ps K Erase in Line (EL).
-case'K':this.eraseInLine(this.params);break;// CSI Pm m Character Attributes (SGR).
-case'm':if(!this.prefix){this.charAttributes(this.params);}break;// CSI Ps n Device Status Report (DSR).
-case'n':if(!this.prefix){this.deviceStatus(this.params);}break;/**
- * Additions
- */// CSI Ps @
-// Insert Ps (Blank) Character(s) (default = 1) (ICH).
-case'@':this.insertChars(this.params);break;// CSI Ps E
-// Cursor Next Line Ps Times (default = 1) (CNL).
-case'E':this.cursorNextLine(this.params);break;// CSI Ps F
-// Cursor Preceding Line Ps Times (default = 1) (CNL).
-case'F':this.cursorPrecedingLine(this.params);break;// CSI Ps G
-// Cursor Character Absolute [column] (default = [row,1]) (CHA).
-case'G':this.cursorCharAbsolute(this.params);break;// CSI Ps L
-// Insert Ps Line(s) (default = 1) (IL).
-case'L':this.insertLines(this.params);break;// CSI Ps M
-// Delete Ps Line(s) (default = 1) (DL).
-case'M':this.deleteLines(this.params);break;// CSI Ps P
-// Delete Ps Character(s) (default = 1) (DCH).
-case'P':this.deleteChars(this.params);break;// CSI Ps X
-// Erase Ps Character(s) (default = 1) (ECH).
-case'X':this.eraseChars(this.params);break;// CSI Pm ` Character Position Absolute
-// [column] (default = [row,1]) (HPA).
-case'`':this.charPosAbsolute(this.params);break;// 141 61 a * HPR -
-// Horizontal Position Relative
-case'a':this.HPositionRelative(this.params);break;// CSI P s c
-// Send Device Attributes (Primary DA).
-// CSI > P s c
-// Send Device Attributes (Secondary DA)
-case'c':this.sendDeviceAttributes(this.params);break;// CSI Pm d
-// Line Position Absolute [row] (default = [1,column]) (VPA).
-case'd':this.linePosAbsolute(this.params);break;// 145 65 e * VPR - Vertical Position Relative
-case'e':this.VPositionRelative(this.params);break;// CSI Ps ; Ps f
-// Horizontal and Vertical Position [row;column] (default =
-// [1,1]) (HVP).
-case'f':this.HVPosition(this.params);break;// CSI Pm h Set Mode (SM).
-// CSI ? Pm h - mouse escape codes, cursor escape codes
-case'h':this.setMode(this.params);break;// CSI Pm l Reset Mode (RM).
-// CSI ? Pm l
-case'l':this.resetMode(this.params);break;// CSI Ps ; Ps r
-// Set Scrolling Region [top;bottom] (default = full size of win-
-// dow) (DECSTBM).
-// CSI ? Pm r
-case'r':this.setScrollRegion(this.params);break;// CSI s
-// Save cursor (ANSI.SYS).
-case's':this.saveCursor(this.params);break;// CSI u
-// Restore cursor (ANSI.SYS).
-case'u':this.restoreCursor(this.params);break;/**
- * Lesser Used
- */// CSI Ps I
-// Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
-case'I':this.cursorForwardTab(this.params);break;// CSI Ps S Scroll up Ps lines (default = 1) (SU).
-case'S':this.scrollUp(this.params);break;// CSI Ps T Scroll down Ps lines (default = 1) (SD).
-// CSI Ps ; Ps ; Ps ; Ps ; Ps T
-// CSI > Ps; Ps T
-case'T':// if (this.prefix === '>') {
-// this.resetTitleModes(this.params);
-// break;
-// }
-// if (this.params.length > 2) {
-// this.initMouseTracking(this.params);
-// break;
-// }
-if(this.params.length<2&&!this.prefix){this.scrollDown(this.params);}break;// CSI Ps Z
-// Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
-case'Z':this.cursorBackwardTab(this.params);break;// CSI Ps b Repeat the preceding graphic character Ps times (REP).
-case'b':this.repeatPrecedingCharacter(this.params);break;// CSI Ps g Tab Clear (TBC).
-case'g':this.tabClear(this.params);break;// CSI Pm i Media Copy (MC).
-// CSI ? Pm i
-// case 'i':
-// this.mediaCopy(this.params);
-// break;
-// CSI Pm m Character Attributes (SGR).
-// CSI > Ps; Ps m
-// case 'm': // duplicate
-// if (this.prefix === '>') {
-// this.setResources(this.params);
-// } else {
-// this.charAttributes(this.params);
-// }
-// break;
-// CSI Ps n Device Status Report (DSR).
-// CSI > Ps n
-// case 'n': // duplicate
-// if (this.prefix === '>') {
-// this.disableModifiers(this.params);
-// } else {
-// this.deviceStatus(this.params);
-// }
-// break;
-// CSI > Ps p Set pointer mode.
-// CSI ! p Soft terminal reset (DECSTR).
-// CSI Ps$ p
-// Request ANSI mode (DECRQM).
-// CSI ? Ps$ p
-// Request DEC private mode (DECRQM).
-// CSI Ps ; Ps " p
-case'p':switch(this.prefix){// case '>':
-// this.setPointerMode(this.params);
-// break;
-case'!':this.softReset(this.params);break;// case '?':
-// if (this.postfix === '$') {
-// this.requestPrivateMode(this.params);
-// }
-// break;
-// default:
-// if (this.postfix === '"') {
-// this.setConformanceLevel(this.params);
-// } else if (this.postfix === '$') {
-// this.requestAnsiMode(this.params);
-// }
-// break;
-}break;// CSI Ps q Load LEDs (DECLL).
-// CSI Ps SP q
-// CSI Ps " q
-// case 'q':
-// if (this.postfix === ' ') {
-// this.setCursorStyle(this.params);
-// break;
-// }
-// if (this.postfix === '"') {
-// this.setCharProtectionAttr(this.params);
-// break;
-// }
-// this.loadLEDs(this.params);
-// break;
-// CSI Ps ; Ps r
-// Set Scrolling Region [top;bottom] (default = full size of win-
-// dow) (DECSTBM).
-// CSI ? Pm r
-// CSI Pt; Pl; Pb; Pr; Ps$ r
-// case 'r': // duplicate
-// if (this.prefix === '?') {
-// this.restorePrivateValues(this.params);
-// } else if (this.postfix === '$') {
-// this.setAttrInRectangle(this.params);
-// } else {
-// this.setScrollRegion(this.params);
-// }
-// break;
-// CSI s Save cursor (ANSI.SYS).
-// CSI ? Pm s
-// case 's': // duplicate
-// if (this.prefix === '?') {
-// this.savePrivateValues(this.params);
-// } else {
-// this.saveCursor(this.params);
-// }
-// break;
-// CSI Ps ; Ps ; Ps t
-// CSI Pt; Pl; Pb; Pr; Ps$ t
-// CSI > Ps; Ps t
-// CSI Ps SP t
-// case 't':
-// if (this.postfix === '$') {
-// this.reverseAttrInRectangle(this.params);
-// } else if (this.postfix === ' ') {
-// this.setWarningBellVolume(this.params);
-// } else {
-// if (this.prefix === '>') {
-// this.setTitleModeFeature(this.params);
-// } else {
-// this.manipulateWindow(this.params);
-// }
-// }
-// break;
-// CSI u Restore cursor (ANSI.SYS).
-// CSI Ps SP u
-// case 'u': // duplicate
-// if (this.postfix === ' ') {
-// this.setMarginBellVolume(this.params);
-// } else {
-// this.restoreCursor(this.params);
-// }
-// break;
-// CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v
-// case 'v':
-// if (this.postfix === '$') {
-// this.copyRectagle(this.params);
-// }
-// break;
-// CSI Pt ; Pl ; Pb ; Pr ' w
-// case 'w':
-// if (this.postfix === '\'') {
-// this.enableFilterRectangle(this.params);
-// }
-// break;
-// CSI Ps x Request Terminal Parameters (DECREQTPARM).
-// CSI Ps x Select Attribute Change Extent (DECSACE).
-// CSI Pc; Pt; Pl; Pb; Pr$ x
-// case 'x':
-// if (this.postfix === '$') {
-// this.fillRectangle(this.params);
-// } else {
-// this.requestParameters(this.params);
-// //this.__(this.params);
-// }
-// break;
-// CSI Ps ; Pu ' z
-// CSI Pt; Pl; Pb; Pr$ z
-// case 'z':
-// if (this.postfix === '\'') {
-// this.enableLocatorReporting(this.params);
-// } else if (this.postfix === '$') {
-// this.eraseRectangle(this.params);
-// }
-// break;
-// CSI Pm ' {
-// CSI Pt; Pl; Pb; Pr$ {
-// case '{':
-// if (this.postfix === '\'') {
-// this.setLocatorEvents(this.params);
-// } else if (this.postfix === '$') {
-// this.selectiveEraseRectangle(this.params);
-// }
-// break;
-// CSI Ps ' |
-// case '|':
-// if (this.postfix === '\'') {
-// this.requestLocatorPosition(this.params);
-// }
-// break;
-// CSI P m SP }
-// Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
-// case '}':
-// if (this.postfix === ' ') {
-// this.insertColumns(this.params);
-// }
-// break;
-// CSI P m SP ~
-// Delete P s Column(s) (default = 1) (DECDC), VT420 and up
-// case '~':
-// if (this.postfix === ' ') {
-// this.deleteColumns(this.params);
-// }
-// break;
-default:this.error('Unknown CSI code: %s.',ch);break;}this.prefix='';this.postfix='';break;case dcs:if(ch==='\x1b'||ch==='\x07'){if(ch==='\x1b')i++;switch(this.prefix){// User-Defined Keys (DECUDK).
-case'':break;// Request Status String (DECRQSS).
-// test: echo -e '\eP$q"p\e\\'
-case'$q':var pt=this.currentParam,valid=false;switch(pt){// DECSCA
-case'"q':pt='0"q';break;// DECSCL
-case'"p':pt='61"p';break;// DECSTBM
-case'r':pt=''+(this.scrollTop+1)+';'+(this.scrollBottom+1)+'r';break;// SGR
-case'm':pt='0m';break;default:this.error('Unknown DCS Pt: %s.',pt);pt='';break;}this.send('\x1bP'+ +valid+'$r'+pt+'\x1b\\');break;// Set Termcap/Terminfo Data (xterm, experimental).
-case'+p':break;// Request Termcap/Terminfo String (xterm, experimental)
-// Regular xterm does not even respond to this sequence.
-// This can cause a small glitch in vim.
-// test: echo -ne '\eP+q6b64\e\\'
-case'+q':var pt=this.currentParam,valid=false;this.send('\x1bP'+ +valid+'+r'+pt+'\x1b\\');break;default:this.error('Unknown DCS prefix: %s.',this.prefix);break;}this.currentParam=0;this.prefix='';this.state=normal;}else if(!this.currentParam){if(!this.prefix&&ch!=='$'&&ch!=='+'){this.currentParam=ch;}else if(this.prefix.length===2){this.currentParam=ch;}else{this.prefix+=ch;}}else{this.currentParam+=ch;}break;case ignore:// For PM and APC.
-if(ch==='\x1b'||ch==='\x07'){if(ch==='\x1b')i++;this.state=normal;}break;}}this.updateRange(this.y);this.refresh(this.refreshStart,this.refreshEnd);};/**
+ */
+Terminal.prototype.write = function (data) {
+ var l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;
+ this.refreshStart = this.y;
+ this.refreshEnd = this.y;
+ // apply leftover surrogate high from last write
+ if (this.surrogate_high) {
+ data = this.surrogate_high + data;
+ this.surrogate_high = '';
+ }
+ for (; i < l; i++) {
+ ch = data[i];
+ // FIXME: higher chars than 0xa0 are not allowed in escape sequences
+ // --> maybe move to default
+ code = data.charCodeAt(i);
+ if (0xD800 <= code && code <= 0xDBFF) {
+ // we got a surrogate high
+ // get surrogate low (next 2 bytes)
+ low = data.charCodeAt(i + 1);
+ if (isNaN(low)) {
+ // end of data stream, save surrogate high
+ this.surrogate_high = ch;
+ continue;
+ }
+ code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;
+ ch += data.charAt(i + 1);
+ }
+ // surrogate low - already handled above
+ if (0xDC00 <= code && code <= 0xDFFF)
+ continue;
+ switch (this.state) {
+ case normal:
+ switch (ch) {
+ case '\x07':
+ this.bell();
+ break;
+ // '\n', '\v', '\f'
+ case '\n':
+ case '\x0b':
+ case '\x0c':
+ if (this.convertEol) {
+ this.x = 0;
+ }
+ this.y++;
+ if (this.y > this.scrollBottom) {
+ this.y--;
+ this.scroll();
+ }
+ break;
+ // '\r'
+ case '\r':
+ this.x = 0;
+ break;
+ // '\b'
+ case '\x08':
+ if (this.x > 0) {
+ this.x--;
+ }
+ break;
+ // '\t'
+ case '\t':
+ this.x = this.nextStop();
+ break;
+ // shift out
+ case '\x0e':
+ this.setgLevel(1);
+ break;
+ // shift in
+ case '\x0f':
+ this.setgLevel(0);
+ break;
+ // '\e'
+ case '\x1b':
+ this.state = escaped;
+ break;
+ default:
+ // ' '
+ // calculate print space
+ // expensive call, therefore we save width in line buffer
+ ch_width = wcwidth(code);
+ if (ch >= ' ') {
+ if (this.charset && this.charset[ch]) {
+ ch = this.charset[ch];
+ }
+ row = this.y + this.ybase;
+ // insert combining char in last cell
+ // FIXME: needs handling after cursor jumps
+ if (!ch_width && this.x) {
+ // dont overflow left
+ if (this.lines[row][this.x - 1]) {
+ if (!this.lines[row][this.x - 1][2]) {
+ // found empty cell after fullwidth, need to go 2 cells back
+ if (this.lines[row][this.x - 2])
+ this.lines[row][this.x - 2][1] += ch;
+ }
+ else {
+ this.lines[row][this.x - 1][1] += ch;
+ }
+ this.updateRange(this.y);
+ }
+ break;
+ }
+ // goto next line if ch would overflow
+ // TODO: needs a global min terminal width of 2
+ if (this.x + ch_width - 1 >= this.cols) {
+ // autowrap - DECAWM
+ if (this.wraparoundMode) {
+ this.x = 0;
+ this.y++;
+ if (this.y > this.scrollBottom) {
+ this.y--;
+ this.scroll();
+ }
+ }
+ else {
+ this.x = this.cols - 1;
+ if (ch_width === 2)
+ continue;
+ }
+ }
+ row = this.y + this.ybase;
+ // insert mode: move characters to right
+ if (this.insertMode) {
+ // do this twice for a fullwidth char
+ for (var moves = 0; moves < ch_width; ++moves) {
+ // remove last cell, if it's width is 0
+ // we have to adjust the second last cell as well
+ var removed = this.lines[this.y + this.ybase].pop();
+ if (removed[2] === 0
+ && this.lines[row][this.cols - 2]
+ && this.lines[row][this.cols - 2][2] === 2)
+ this.lines[row][this.cols - 2] = [this.curAttr, ' ', 1];
+ // insert empty cell at cursor
+ this.lines[row].splice(this.x, 0, [this.curAttr, ' ', 1]);
+ }
+ }
+ this.lines[row][this.x] = [this.curAttr, ch, ch_width];
+ this.x++;
+ this.updateRange(this.y);
+ // fullwidth char - set next cell width to zero and advance cursor
+ if (ch_width === 2) {
+ this.lines[row][this.x] = [this.curAttr, '', 0];
+ this.x++;
+ }
+ }
+ break;
+ }
+ break;
+ case escaped:
+ switch (ch) {
+ // ESC [ Control Sequence Introducer ( CSI is 0x9b).
+ case '[':
+ this.params = [];
+ this.currentParam = 0;
+ this.state = csi;
+ break;
+ // ESC ] Operating System Command ( OSC is 0x9d).
+ case ']':
+ this.params = [];
+ this.currentParam = 0;
+ this.state = osc;
+ break;
+ // ESC P Device Control String ( DCS is 0x90).
+ case 'P':
+ this.params = [];
+ this.currentParam = 0;
+ this.state = dcs;
+ break;
+ // ESC _ Application Program Command ( APC is 0x9f).
+ case '_':
+ this.state = ignore;
+ break;
+ // ESC ^ Privacy Message ( PM is 0x9e).
+ case '^':
+ this.state = ignore;
+ break;
+ // ESC c Full Reset (RIS).
+ case 'c':
+ this.reset();
+ break;
+ // ESC E Next Line ( NEL is 0x85).
+ // ESC D Index ( IND is 0x84).
+ case 'E':
+ this.x = 0;
+ ;
+ case 'D':
+ this.index();
+ break;
+ // ESC M Reverse Index ( RI is 0x8d).
+ case 'M':
+ this.reverseIndex();
+ break;
+ // ESC % Select default/utf-8 character set.
+ // @ = default, G = utf-8
+ case '%':
+ //this.charset = null;
+ this.setgLevel(0);
+ this.setgCharset(0, Terminal.charsets.US);
+ this.state = normal;
+ i++;
+ break;
+ // ESC (,),*,+,-,. Designate G0-G2 Character Set.
+ case '(': // <-- this seems to get all the attention
+ case ')':
+ case '*':
+ case '+':
+ case '-':
+ case '.':
+ switch (ch) {
+ case '(':
+ this.gcharset = 0;
+ break;
+ case ')':
+ this.gcharset = 1;
+ break;
+ case '*':
+ this.gcharset = 2;
+ break;
+ case '+':
+ this.gcharset = 3;
+ break;
+ case '-':
+ this.gcharset = 1;
+ break;
+ case '.':
+ this.gcharset = 2;
+ break;
+ }
+ this.state = charset;
+ break;
+ // Designate G3 Character Set (VT300).
+ // A = ISO Latin-1 Supplemental.
+ // Not implemented.
+ case '/':
+ this.gcharset = 3;
+ this.state = charset;
+ i--;
+ break;
+ // ESC N
+ // Single Shift Select of G2 Character Set
+ // ( SS2 is 0x8e). This affects next character only.
+ case 'N':
+ break;
+ // ESC O
+ // Single Shift Select of G3 Character Set
+ // ( SS3 is 0x8f). This affects next character only.
+ case 'O':
+ break;
+ // ESC n
+ // Invoke the G2 Character Set as GL (LS2).
+ case 'n':
+ this.setgLevel(2);
+ break;
+ // ESC o
+ // Invoke the G3 Character Set as GL (LS3).
+ case 'o':
+ this.setgLevel(3);
+ break;
+ // ESC |
+ // Invoke the G3 Character Set as GR (LS3R).
+ case '|':
+ this.setgLevel(3);
+ break;
+ // ESC }
+ // Invoke the G2 Character Set as GR (LS2R).
+ case '}':
+ this.setgLevel(2);
+ break;
+ // ESC ~
+ // Invoke the G1 Character Set as GR (LS1R).
+ case '~':
+ this.setgLevel(1);
+ break;
+ // ESC 7 Save Cursor (DECSC).
+ case '7':
+ this.saveCursor();
+ this.state = normal;
+ break;
+ // ESC 8 Restore Cursor (DECRC).
+ case '8':
+ this.restoreCursor();
+ this.state = normal;
+ break;
+ // ESC # 3 DEC line height/width
+ case '#':
+ this.state = normal;
+ i++;
+ break;
+ // ESC H Tab Set (HTS is 0x88).
+ case 'H':
+ this.tabSet();
+ break;
+ // ESC = Application Keypad (DECKPAM).
+ case '=':
+ this.log('Serial port requested application keypad.');
+ this.applicationKeypad = true;
+ this.viewport.syncScrollArea();
+ this.state = normal;
+ break;
+ // ESC > Normal Keypad (DECKPNM).
+ case '>':
+ this.log('Switching back to normal keypad.');
+ this.applicationKeypad = false;
+ this.viewport.syncScrollArea();
+ this.state = normal;
+ break;
+ default:
+ this.state = normal;
+ this.error('Unknown ESC control: %s.', ch);
+ break;
+ }
+ break;
+ case charset:
+ switch (ch) {
+ case '0':
+ cs = Terminal.charsets.SCLD;
+ break;
+ case 'A':
+ cs = Terminal.charsets.UK;
+ break;
+ case 'B':
+ cs = Terminal.charsets.US;
+ break;
+ case '4':
+ cs = Terminal.charsets.Dutch;
+ break;
+ case 'C': // Finnish
+ case '5':
+ cs = Terminal.charsets.Finnish;
+ break;
+ case 'R':
+ cs = Terminal.charsets.French;
+ break;
+ case 'Q':
+ cs = Terminal.charsets.FrenchCanadian;
+ break;
+ case 'K':
+ cs = Terminal.charsets.German;
+ break;
+ case 'Y':
+ cs = Terminal.charsets.Italian;
+ break;
+ case 'E': // NorwegianDanish
+ case '6':
+ cs = Terminal.charsets.NorwegianDanish;
+ break;
+ case 'Z':
+ cs = Terminal.charsets.Spanish;
+ break;
+ case 'H': // Swedish
+ case '7':
+ cs = Terminal.charsets.Swedish;
+ break;
+ case '=':
+ cs = Terminal.charsets.Swiss;
+ break;
+ case '/':
+ cs = Terminal.charsets.ISOLatin;
+ i++;
+ break;
+ default:
+ cs = Terminal.charsets.US;
+ break;
+ }
+ this.setgCharset(this.gcharset, cs);
+ this.gcharset = null;
+ this.state = normal;
+ break;
+ case osc:
+ // OSC Ps ; Pt ST
+ // OSC Ps ; Pt BEL
+ // Set Text Parameters.
+ if (ch === '\x1b' || ch === '\x07') {
+ if (ch === '\x1b')
+ i++;
+ this.params.push(this.currentParam);
+ switch (this.params[0]) {
+ case 0:
+ case 1:
+ case 2:
+ if (this.params[1]) {
+ this.title = this.params[1];
+ this.handleTitle(this.title);
+ }
+ break;
+ case 3:
+ // set X property
+ break;
+ case 4:
+ case 5:
+ // change dynamic colors
+ break;
+ case 10:
+ case 11:
+ case 12:
+ case 13:
+ case 14:
+ case 15:
+ case 16:
+ case 17:
+ case 18:
+ case 19:
+ // change dynamic ui colors
+ break;
+ case 46:
+ // change log file
+ break;
+ case 50:
+ // dynamic font
+ break;
+ case 51:
+ // emacs shell
+ break;
+ case 52:
+ // manipulate selection data
+ break;
+ case 104:
+ case 105:
+ case 110:
+ case 111:
+ case 112:
+ case 113:
+ case 114:
+ case 115:
+ case 116:
+ case 117:
+ case 118:
+ // reset colors
+ break;
+ }
+ this.params = [];
+ this.currentParam = 0;
+ this.state = normal;
+ }
+ else {
+ if (!this.params.length) {
+ if (ch >= '0' && ch <= '9') {
+ this.currentParam =
+ this.currentParam * 10 + ch.charCodeAt(0) - 48;
+ }
+ else if (ch === ';') {
+ this.params.push(this.currentParam);
+ this.currentParam = '';
+ }
+ }
+ else {
+ this.currentParam += ch;
+ }
+ }
+ break;
+ case csi:
+ // '?', '>', '!'
+ if (ch === '?' || ch === '>' || ch === '!') {
+ this.prefix = ch;
+ break;
+ }
+ // 0 - 9
+ if (ch >= '0' && ch <= '9') {
+ this.currentParam = this.currentParam * 10 + ch.charCodeAt(0) - 48;
+ break;
+ }
+ // '$', '"', ' ', '\''
+ if (ch === '$' || ch === '"' || ch === ' ' || ch === '\'') {
+ this.postfix = ch;
+ break;
+ }
+ this.params.push(this.currentParam);
+ this.currentParam = 0;
+ // ';'
+ if (ch === ';')
+ break;
+ this.state = normal;
+ switch (ch) {
+ // CSI Ps A
+ // Cursor Up Ps Times (default = 1) (CUU).
+ case 'A':
+ this.cursorUp(this.params);
+ break;
+ // CSI Ps B
+ // Cursor Down Ps Times (default = 1) (CUD).
+ case 'B':
+ this.cursorDown(this.params);
+ break;
+ // CSI Ps C
+ // Cursor Forward Ps Times (default = 1) (CUF).
+ case 'C':
+ this.cursorForward(this.params);
+ break;
+ // CSI Ps D
+ // Cursor Backward Ps Times (default = 1) (CUB).
+ case 'D':
+ this.cursorBackward(this.params);
+ break;
+ // CSI Ps ; Ps H
+ // Cursor Position [row;column] (default = [1,1]) (CUP).
+ case 'H':
+ this.cursorPos(this.params);
+ break;
+ // CSI Ps J Erase in Display (ED).
+ case 'J':
+ this.eraseInDisplay(this.params);
+ break;
+ // CSI Ps K Erase in Line (EL).
+ case 'K':
+ this.eraseInLine(this.params);
+ break;
+ // CSI Pm m Character Attributes (SGR).
+ case 'm':
+ if (!this.prefix) {
+ this.charAttributes(this.params);
+ }
+ break;
+ // CSI Ps n Device Status Report (DSR).
+ case 'n':
+ if (!this.prefix) {
+ this.deviceStatus(this.params);
+ }
+ break;
+ /**
+ * Additions
+ */
+ // CSI Ps @
+ // Insert Ps (Blank) Character(s) (default = 1) (ICH).
+ case '@':
+ this.insertChars(this.params);
+ break;
+ // CSI Ps E
+ // Cursor Next Line Ps Times (default = 1) (CNL).
+ case 'E':
+ this.cursorNextLine(this.params);
+ break;
+ // CSI Ps F
+ // Cursor Preceding Line Ps Times (default = 1) (CNL).
+ case 'F':
+ this.cursorPrecedingLine(this.params);
+ break;
+ // CSI Ps G
+ // Cursor Character Absolute [column] (default = [row,1]) (CHA).
+ case 'G':
+ this.cursorCharAbsolute(this.params);
+ break;
+ // CSI Ps L
+ // Insert Ps Line(s) (default = 1) (IL).
+ case 'L':
+ this.insertLines(this.params);
+ break;
+ // CSI Ps M
+ // Delete Ps Line(s) (default = 1) (DL).
+ case 'M':
+ this.deleteLines(this.params);
+ break;
+ // CSI Ps P
+ // Delete Ps Character(s) (default = 1) (DCH).
+ case 'P':
+ this.deleteChars(this.params);
+ break;
+ // CSI Ps X
+ // Erase Ps Character(s) (default = 1) (ECH).
+ case 'X':
+ this.eraseChars(this.params);
+ break;
+ // CSI Pm ` Character Position Absolute
+ // [column] (default = [row,1]) (HPA).
+ case '`':
+ this.charPosAbsolute(this.params);
+ break;
+ // 141 61 a * HPR -
+ // Horizontal Position Relative
+ case 'a':
+ this.HPositionRelative(this.params);
+ break;
+ // CSI P s c
+ // Send Device Attributes (Primary DA).
+ // CSI > P s c
+ // Send Device Attributes (Secondary DA)
+ case 'c':
+ this.sendDeviceAttributes(this.params);
+ break;
+ // CSI Pm d
+ // Line Position Absolute [row] (default = [1,column]) (VPA).
+ case 'd':
+ this.linePosAbsolute(this.params);
+ break;
+ // 145 65 e * VPR - Vertical Position Relative
+ case 'e':
+ this.VPositionRelative(this.params);
+ break;
+ // CSI Ps ; Ps f
+ // Horizontal and Vertical Position [row;column] (default =
+ // [1,1]) (HVP).
+ case 'f':
+ this.HVPosition(this.params);
+ break;
+ // CSI Pm h Set Mode (SM).
+ // CSI ? Pm h - mouse escape codes, cursor escape codes
+ case 'h':
+ this.setMode(this.params);
+ break;
+ // CSI Pm l Reset Mode (RM).
+ // CSI ? Pm l
+ case 'l':
+ this.resetMode(this.params);
+ break;
+ // CSI Ps ; Ps r
+ // Set Scrolling Region [top;bottom] (default = full size of win-
+ // dow) (DECSTBM).
+ // CSI ? Pm r
+ case 'r':
+ this.setScrollRegion(this.params);
+ break;
+ // CSI s
+ // Save cursor (ANSI.SYS).
+ case 's':
+ this.saveCursor(this.params);
+ break;
+ // CSI u
+ // Restore cursor (ANSI.SYS).
+ case 'u':
+ this.restoreCursor(this.params);
+ break;
+ /**
+ * Lesser Used
+ */
+ // CSI Ps I
+ // Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
+ case 'I':
+ this.cursorForwardTab(this.params);
+ break;
+ // CSI Ps S Scroll up Ps lines (default = 1) (SU).
+ case 'S':
+ this.scrollUp(this.params);
+ break;
+ // CSI Ps T Scroll down Ps lines (default = 1) (SD).
+ // CSI Ps ; Ps ; Ps ; Ps ; Ps T
+ // CSI > Ps; Ps T
+ case 'T':
+ // if (this.prefix === '>') {
+ // this.resetTitleModes(this.params);
+ // break;
+ // }
+ // if (this.params.length > 2) {
+ // this.initMouseTracking(this.params);
+ // break;
+ // }
+ if (this.params.length < 2 && !this.prefix) {
+ this.scrollDown(this.params);
+ }
+ break;
+ // CSI Ps Z
+ // Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
+ case 'Z':
+ this.cursorBackwardTab(this.params);
+ break;
+ // CSI Ps b Repeat the preceding graphic character Ps times (REP).
+ case 'b':
+ this.repeatPrecedingCharacter(this.params);
+ break;
+ // CSI Ps g Tab Clear (TBC).
+ case 'g':
+ this.tabClear(this.params);
+ break;
+ // CSI Pm i Media Copy (MC).
+ // CSI ? Pm i
+ // case 'i':
+ // this.mediaCopy(this.params);
+ // break;
+ // CSI Pm m Character Attributes (SGR).
+ // CSI > Ps; Ps m
+ // case 'm': // duplicate
+ // if (this.prefix === '>') {
+ // this.setResources(this.params);
+ // } else {
+ // this.charAttributes(this.params);
+ // }
+ // break;
+ // CSI Ps n Device Status Report (DSR).
+ // CSI > Ps n
+ // case 'n': // duplicate
+ // if (this.prefix === '>') {
+ // this.disableModifiers(this.params);
+ // } else {
+ // this.deviceStatus(this.params);
+ // }
+ // break;
+ // CSI > Ps p Set pointer mode.
+ // CSI ! p Soft terminal reset (DECSTR).
+ // CSI Ps$ p
+ // Request ANSI mode (DECRQM).
+ // CSI ? Ps$ p
+ // Request DEC private mode (DECRQM).
+ // CSI Ps ; Ps " p
+ case 'p':
+ switch (this.prefix) {
+ // case '>':
+ // this.setPointerMode(this.params);
+ // break;
+ case '!':
+ this.softReset(this.params);
+ break;
+ }
+ break;
+ // CSI Ps q Load LEDs (DECLL).
+ // CSI Ps SP q
+ // CSI Ps " q
+ // case 'q':
+ // if (this.postfix === ' ') {
+ // this.setCursorStyle(this.params);
+ // break;
+ // }
+ // if (this.postfix === '"') {
+ // this.setCharProtectionAttr(this.params);
+ // break;
+ // }
+ // this.loadLEDs(this.params);
+ // break;
+ // CSI Ps ; Ps r
+ // Set Scrolling Region [top;bottom] (default = full size of win-
+ // dow) (DECSTBM).
+ // CSI ? Pm r
+ // CSI Pt; Pl; Pb; Pr; Ps$ r
+ // case 'r': // duplicate
+ // if (this.prefix === '?') {
+ // this.restorePrivateValues(this.params);
+ // } else if (this.postfix === '$') {
+ // this.setAttrInRectangle(this.params);
+ // } else {
+ // this.setScrollRegion(this.params);
+ // }
+ // break;
+ // CSI s Save cursor (ANSI.SYS).
+ // CSI ? Pm s
+ // case 's': // duplicate
+ // if (this.prefix === '?') {
+ // this.savePrivateValues(this.params);
+ // } else {
+ // this.saveCursor(this.params);
+ // }
+ // break;
+ // CSI Ps ; Ps ; Ps t
+ // CSI Pt; Pl; Pb; Pr; Ps$ t
+ // CSI > Ps; Ps t
+ // CSI Ps SP t
+ // case 't':
+ // if (this.postfix === '$') {
+ // this.reverseAttrInRectangle(this.params);
+ // } else if (this.postfix === ' ') {
+ // this.setWarningBellVolume(this.params);
+ // } else {
+ // if (this.prefix === '>') {
+ // this.setTitleModeFeature(this.params);
+ // } else {
+ // this.manipulateWindow(this.params);
+ // }
+ // }
+ // break;
+ // CSI u Restore cursor (ANSI.SYS).
+ // CSI Ps SP u
+ // case 'u': // duplicate
+ // if (this.postfix === ' ') {
+ // this.setMarginBellVolume(this.params);
+ // } else {
+ // this.restoreCursor(this.params);
+ // }
+ // break;
+ // CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v
+ // case 'v':
+ // if (this.postfix === '$') {
+ // this.copyRectagle(this.params);
+ // }
+ // break;
+ // CSI Pt ; Pl ; Pb ; Pr ' w
+ // case 'w':
+ // if (this.postfix === '\'') {
+ // this.enableFilterRectangle(this.params);
+ // }
+ // break;
+ // CSI Ps x Request Terminal Parameters (DECREQTPARM).
+ // CSI Ps x Select Attribute Change Extent (DECSACE).
+ // CSI Pc; Pt; Pl; Pb; Pr$ x
+ // case 'x':
+ // if (this.postfix === '$') {
+ // this.fillRectangle(this.params);
+ // } else {
+ // this.requestParameters(this.params);
+ // //this.__(this.params);
+ // }
+ // break;
+ // CSI Ps ; Pu ' z
+ // CSI Pt; Pl; Pb; Pr$ z
+ // case 'z':
+ // if (this.postfix === '\'') {
+ // this.enableLocatorReporting(this.params);
+ // } else if (this.postfix === '$') {
+ // this.eraseRectangle(this.params);
+ // }
+ // break;
+ // CSI Pm ' {
+ // CSI Pt; Pl; Pb; Pr$ {
+ // case '{':
+ // if (this.postfix === '\'') {
+ // this.setLocatorEvents(this.params);
+ // } else if (this.postfix === '$') {
+ // this.selectiveEraseRectangle(this.params);
+ // }
+ // break;
+ // CSI Ps ' |
+ // case '|':
+ // if (this.postfix === '\'') {
+ // this.requestLocatorPosition(this.params);
+ // }
+ // break;
+ // CSI P m SP }
+ // Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
+ // case '}':
+ // if (this.postfix === ' ') {
+ // this.insertColumns(this.params);
+ // }
+ // break;
+ // CSI P m SP ~
+ // Delete P s Column(s) (default = 1) (DECDC), VT420 and up
+ // case '~':
+ // if (this.postfix === ' ') {
+ // this.deleteColumns(this.params);
+ // }
+ // break;
+ default:
+ this.error('Unknown CSI code: %s.', ch);
+ break;
+ }
+ this.prefix = '';
+ this.postfix = '';
+ break;
+ case dcs:
+ if (ch === '\x1b' || ch === '\x07') {
+ if (ch === '\x1b')
+ i++;
+ switch (this.prefix) {
+ // User-Defined Keys (DECUDK).
+ case '':
+ break;
+ // Request Status String (DECRQSS).
+ // test: echo -e '\eP$q"p\e\\'
+ case '$q':
+ var pt = this.currentParam, valid = false;
+ switch (pt) {
+ // DECSCA
+ case '"q':
+ pt = '0"q';
+ break;
+ // DECSCL
+ case '"p':
+ pt = '61"p';
+ break;
+ // DECSTBM
+ case 'r':
+ pt = ''
+ + (this.scrollTop + 1)
+ + ';'
+ + (this.scrollBottom + 1)
+ + 'r';
+ break;
+ // SGR
+ case 'm':
+ pt = '0m';
+ break;
+ default:
+ this.error('Unknown DCS Pt: %s.', pt);
+ pt = '';
+ break;
+ }
+ this.send('\x1bP' + +valid + '$r' + pt + '\x1b\\');
+ break;
+ // Set Termcap/Terminfo Data (xterm, experimental).
+ case '+p':
+ break;
+ // Request Termcap/Terminfo String (xterm, experimental)
+ // Regular xterm does not even respond to this sequence.
+ // This can cause a small glitch in vim.
+ // test: echo -ne '\eP+q6b64\e\\'
+ case '+q':
+ var pt = this.currentParam, valid = false;
+ this.send('\x1bP' + +valid + '+r' + pt + '\x1b\\');
+ break;
+ default:
+ this.error('Unknown DCS prefix: %s.', this.prefix);
+ break;
+ }
+ this.currentParam = 0;
+ this.prefix = '';
+ this.state = normal;
+ }
+ else if (!this.currentParam) {
+ if (!this.prefix && ch !== '$' && ch !== '+') {
+ this.currentParam = ch;
+ }
+ else if (this.prefix.length === 2) {
+ this.currentParam = ch;
+ }
+ else {
+ this.prefix += ch;
+ }
+ }
+ else {
+ this.currentParam += ch;
+ }
+ break;
+ case ignore:
+ // For PM and APC.
+ if (ch === '\x1b' || ch === '\x07') {
+ if (ch === '\x1b')
+ i++;
+ this.state = normal;
+ }
+ break;
+ }
+ }
+ this.updateRange(this.y);
+ this.refresh(this.refreshStart, this.refreshEnd);
+};
+/**
* Writes text to the terminal, followed by a break line character (\n).
* @param {string} text The text to write to the terminal.
- */Terminal.prototype.writeln=function(data){this.write(data+'\r\n');};/**
+ */
+Terminal.prototype.writeln = function (data) {
+ this.write(data + '\r\n');
+};
+/**
* Attaches a custom keydown handler which is run before keys are processed, giving consumers of
* xterm.js ultimate control as to what keys should be processed by the terminal and what keys
* should not.
* @param {function} customKeydownHandler The custom KeyboardEvent handler to attach. This is a
* function that takes a KeyboardEvent, allowing consumers to stop propogation and/or prevent
* the default action. The function returns whether the event should be processed by xterm.js.
- */Terminal.prototype.attachCustomKeydownHandler=function(customKeydownHandler){this.customKeydownHandler=customKeydownHandler;};/**
+ */
+Terminal.prototype.attachCustomKeydownHandler = function (customKeydownHandler) {
+ this.customKeydownHandler = customKeydownHandler;
+};
+/**
* Handle a keydown event
* Key Resources:
* - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent
* @param {KeyboardEvent} ev The keydown event to be handled.
- */Terminal.prototype.keyDown=function(ev){// Scroll down to prompt, whenever the user presses a key.
-if(this.ybase!==this.ydisp){this.scrollToBottom();}if(this.customKeydownHandler&&this.customKeydownHandler(ev)===false){return false;}if(!this.compositionHelper.keydown.bind(this.compositionHelper)(ev)){return false;}var self=this;var result=this.evaluateKeyEscapeSequence(ev);if(result.scrollDisp){this.scrollDisp(result.scrollDisp);return this.cancel(ev,true);}if(isThirdLevelShift(this,ev)){return true;}if(result.cancel){// The event is canceled at the end already, is this necessary?
-this.cancel(ev,true);}if(!result.key){return true;}this.emit('keydown',ev);this.emit('key',result.key,ev);this.showCursor();this.handler(result.key);return this.cancel(ev,true);};/**
+ */
+Terminal.prototype.keyDown = function (ev) {
+ if (this.customKeydownHandler && this.customKeydownHandler(ev) === false) {
+ return false;
+ }
+ if (!this.compositionHelper.keydown.bind(this.compositionHelper)(ev)) {
+ if (this.ybase !== this.ydisp) {
+ this.scrollToBottom();
+ }
+ return false;
+ }
+ var self = this;
+ var result = this.evaluateKeyEscapeSequence(ev);
+ if (result.scrollDisp) {
+ this.scrollDisp(result.scrollDisp);
+ return this.cancel(ev, true);
+ }
+ if (isThirdLevelShift(this, ev)) {
+ return true;
+ }
+ if (result.cancel) {
+ // The event is canceled at the end already, is this necessary?
+ this.cancel(ev, true);
+ }
+ if (!result.key) {
+ return true;
+ }
+ this.emit('keydown', ev);
+ this.emit('key', result.key, ev);
+ this.showCursor();
+ this.handler(result.key);
+ return this.cancel(ev, true);
+};
+/**
* Returns an object that determines how a KeyboardEvent should be handled. The key of the
* returned value is the new key code to pass to the PTY.
*
* Reference: http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
* @param {KeyboardEvent} ev The keyboard event to be translated to key escape sequence.
- */Terminal.prototype.evaluateKeyEscapeSequence=function(ev){var result={// Whether to cancel event propogation (NOTE: this may not be needed since the event is
-// canceled at the end of keyDown
-cancel:false,// The new key even to emit
-key:undefined,// The number of characters to scroll, if this is defined it will cancel the event
-scrollDisp:undefined};var modifiers=ev.shiftKey<<0|ev.altKey<<1|ev.ctrlKey<<2|ev.metaKey<<3;switch(ev.keyCode){case 8:// backspace
-if(ev.shiftKey){result.key='\x08';// ^H
-break;}result.key='\x7f';// ^?
-break;case 9:// tab
-if(ev.shiftKey){result.key='\x1b[Z';break;}result.key='\t';result.cancel=true;break;case 13:// return/enter
-result.key='\r';result.cancel=true;break;case 27:// escape
-result.key='\x1b';result.cancel=true;break;case 37:// left-arrow
-if(modifiers){result.key='\x1b[1;'+(modifiers+1)+'D';// HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards
-// http://unix.stackexchange.com/a/108106
-if(result.key=='\x1b[1;3D'){result.key='\x1b[1;5D';}}else if(this.applicationCursor){result.key='\x1bOD';}else{result.key='\x1b[D';}break;case 39:// right-arrow
-if(modifiers){result.key='\x1b[1;'+(modifiers+1)+'C';// HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward
-// http://unix.stackexchange.com/a/108106
-if(result.key=='\x1b[1;3C'){result.key='\x1b[1;5C';}}else if(this.applicationCursor){result.key='\x1bOC';}else{result.key='\x1b[C';}break;case 38:// up-arrow
-if(modifiers){result.key='\x1b[1;'+(modifiers+1)+'A';// HACK: Make Alt + up-arrow behave like Ctrl + up-arrow
-// http://unix.stackexchange.com/a/108106
-if(result.key=='\x1b[1;3A'){result.key='\x1b[1;5A';}}else if(this.applicationCursor){result.key='\x1bOA';}else{result.key='\x1b[A';}break;case 40:// down-arrow
-if(modifiers){result.key='\x1b[1;'+(modifiers+1)+'B';// HACK: Make Alt + down-arrow behave like Ctrl + down-arrow
-// http://unix.stackexchange.com/a/108106
-if(result.key=='\x1b[1;3B'){result.key='\x1b[1;5B';}}else if(this.applicationCursor){result.key='\x1bOB';}else{result.key='\x1b[B';}break;case 45:// insert
-if(!ev.shiftKey&&!ev.ctrlKey){// <Ctrl> or <Shift> + <Insert> are used to
-// copy-paste on some systems.
-result.key='\x1b[2~';}break;case 46:// delete
-if(modifiers){result.key='\x1b[3;'+(modifiers+1)+'~';}else{result.key='\x1b[3~';}break;case 36:// home
-if(modifiers)result.key='\x1b[1;'+(modifiers+1)+'H';else if(this.applicationCursor)result.key='\x1bOH';else result.key='\x1b[H';break;case 35:// end
-if(modifiers)result.key='\x1b[1;'+(modifiers+1)+'F';else if(this.applicationCursor)result.key='\x1bOF';else result.key='\x1b[F';break;case 33:// page up
-if(ev.shiftKey){result.scrollDisp=-(this.rows-1);}else{result.key='\x1b[5~';}break;case 34:// page down
-if(ev.shiftKey){result.scrollDisp=this.rows-1;}else{result.key='\x1b[6~';}break;case 112:// F1-F12
-if(modifiers){result.key='\x1b[1;'+(modifiers+1)+'P';}else{result.key='\x1bOP';}break;case 113:if(modifiers){result.key='\x1b[1;'+(modifiers+1)+'Q';}else{result.key='\x1bOQ';}break;case 114:if(modifiers){result.key='\x1b[1;'+(modifiers+1)+'R';}else{result.key='\x1bOR';}break;case 115:if(modifiers){result.key='\x1b[1;'+(modifiers+1)+'S';}else{result.key='\x1bOS';}break;case 116:if(modifiers){result.key='\x1b[15;'+(modifiers+1)+'~';}else{result.key='\x1b[15~';}break;case 117:if(modifiers){result.key='\x1b[17;'+(modifiers+1)+'~';}else{result.key='\x1b[17~';}break;case 118:if(modifiers){result.key='\x1b[18;'+(modifiers+1)+'~';}else{result.key='\x1b[18~';}break;case 119:if(modifiers){result.key='\x1b[19;'+(modifiers+1)+'~';}else{result.key='\x1b[19~';}break;case 120:if(modifiers){result.key='\x1b[20;'+(modifiers+1)+'~';}else{result.key='\x1b[20~';}break;case 121:if(modifiers){result.key='\x1b[21;'+(modifiers+1)+'~';}else{result.key='\x1b[21~';}break;case 122:if(modifiers){result.key='\x1b[23;'+(modifiers+1)+'~';}else{result.key='\x1b[23~';}break;case 123:if(modifiers){result.key='\x1b[24;'+(modifiers+1)+'~';}else{result.key='\x1b[24~';}break;default:// a-z and space
-if(ev.ctrlKey&&!ev.shiftKey&&!ev.altKey&&!ev.metaKey){if(ev.keyCode>=65&&ev.keyCode<=90){result.key=String.fromCharCode(ev.keyCode-64);}else if(ev.keyCode===32){// NUL
-result.key=String.fromCharCode(0);}else if(ev.keyCode>=51&&ev.keyCode<=55){// escape, file sep, group sep, record sep, unit sep
-result.key=String.fromCharCode(ev.keyCode-51+27);}else if(ev.keyCode===56){// delete
-result.key=String.fromCharCode(127);}else if(ev.keyCode===219){// ^[ - escape
-result.key=String.fromCharCode(27);}else if(ev.keyCode===221){// ^] - group sep
-result.key=String.fromCharCode(29);}}else if(!this.browser.isMac&&ev.altKey&&!ev.ctrlKey&&!ev.metaKey){// On Mac this is a third level shift. Use <Esc> instead.
-if(ev.keyCode>=65&&ev.keyCode<=90){result.key='\x1b'+String.fromCharCode(ev.keyCode+32);}else if(ev.keyCode===192){result.key='\x1b`';}else if(ev.keyCode>=48&&ev.keyCode<=57){result.key='\x1b'+(ev.keyCode-48);}}break;}return result;};/**
+ */
+Terminal.prototype.evaluateKeyEscapeSequence = function (ev) {
+ var result = {
+ // Whether to cancel event propogation (NOTE: this may not be needed since the event is
+ // canceled at the end of keyDown
+ cancel: false,
+ // The new key even to emit
+ key: undefined,
+ // The number of characters to scroll, if this is defined it will cancel the event
+ scrollDisp: undefined
+ };
+ var modifiers = ev.shiftKey << 0 | ev.altKey << 1 | ev.ctrlKey << 2 | ev.metaKey << 3;
+ switch (ev.keyCode) {
+ case 8:
+ // backspace
+ if (ev.shiftKey) {
+ result.key = '\x08'; // ^H
+ break;
+ }
+ result.key = '\x7f'; // ^?
+ break;
+ case 9:
+ // tab
+ if (ev.shiftKey) {
+ result.key = '\x1b[Z';
+ break;
+ }
+ result.key = '\t';
+ result.cancel = true;
+ break;
+ case 13:
+ // return/enter
+ result.key = '\r';
+ result.cancel = true;
+ break;
+ case 27:
+ // escape
+ result.key = '\x1b';
+ result.cancel = true;
+ break;
+ case 37:
+ // left-arrow
+ if (modifiers) {
+ result.key = '\x1b[1;' + (modifiers + 1) + 'D';
+ // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards
+ // http://unix.stackexchange.com/a/108106
+ if (result.key == '\x1b[1;3D') {
+ result.key = '\x1b[1;5D';
+ }
+ }
+ else if (this.applicationCursor) {
+ result.key = '\x1bOD';
+ }
+ else {
+ result.key = '\x1b[D';
+ }
+ break;
+ case 39:
+ // right-arrow
+ if (modifiers) {
+ result.key = '\x1b[1;' + (modifiers + 1) + 'C';
+ // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward
+ // http://unix.stackexchange.com/a/108106
+ if (result.key == '\x1b[1;3C') {
+ result.key = '\x1b[1;5C';
+ }
+ }
+ else if (this.applicationCursor) {
+ result.key = '\x1bOC';
+ }
+ else {
+ result.key = '\x1b[C';
+ }
+ break;
+ case 38:
+ // up-arrow
+ if (modifiers) {
+ result.key = '\x1b[1;' + (modifiers + 1) + 'A';
+ // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow
+ // http://unix.stackexchange.com/a/108106
+ if (result.key == '\x1b[1;3A') {
+ result.key = '\x1b[1;5A';
+ }
+ }
+ else if (this.applicationCursor) {
+ result.key = '\x1bOA';
+ }
+ else {
+ result.key = '\x1b[A';
+ }
+ break;
+ case 40:
+ // down-arrow
+ if (modifiers) {
+ result.key = '\x1b[1;' + (modifiers + 1) + 'B';
+ // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow
+ // http://unix.stackexchange.com/a/108106
+ if (result.key == '\x1b[1;3B') {
+ result.key = '\x1b[1;5B';
+ }
+ }
+ else if (this.applicationCursor) {
+ result.key = '\x1bOB';
+ }
+ else {
+ result.key = '\x1b[B';
+ }
+ break;
+ case 45:
+ // insert
+ if (!ev.shiftKey && !ev.ctrlKey) {
+ // <Ctrl> or <Shift> + <Insert> are used to
+ // copy-paste on some systems.
+ result.key = '\x1b[2~';
+ }
+ break;
+ case 46:
+ // delete
+ if (modifiers) {
+ result.key = '\x1b[3;' + (modifiers + 1) + '~';
+ }
+ else {
+ result.key = '\x1b[3~';
+ }
+ break;
+ case 36:
+ // home
+ if (modifiers)
+ result.key = '\x1b[1;' + (modifiers + 1) + 'H';
+ else if (this.applicationCursor)
+ result.key = '\x1bOH';
+ else
+ result.key = '\x1b[H';
+ break;
+ case 35:
+ // end
+ if (modifiers)
+ result.key = '\x1b[1;' + (modifiers + 1) + 'F';
+ else if (this.applicationCursor)
+ result.key = '\x1bOF';
+ else
+ result.key = '\x1b[F';
+ break;
+ case 33:
+ // page up
+ if (ev.shiftKey) {
+ result.scrollDisp = -(this.rows - 1);
+ }
+ else {
+ result.key = '\x1b[5~';
+ }
+ break;
+ case 34:
+ // page down
+ if (ev.shiftKey) {
+ result.scrollDisp = this.rows - 1;
+ }
+ else {
+ result.key = '\x1b[6~';
+ }
+ break;
+ case 112:
+ // F1-F12
+ if (modifiers) {
+ result.key = '\x1b[1;' + (modifiers + 1) + 'P';
+ }
+ else {
+ result.key = '\x1bOP';
+ }
+ break;
+ case 113:
+ if (modifiers) {
+ result.key = '\x1b[1;' + (modifiers + 1) + 'Q';
+ }
+ else {
+ result.key = '\x1bOQ';
+ }
+ break;
+ case 114:
+ if (modifiers) {
+ result.key = '\x1b[1;' + (modifiers + 1) + 'R';
+ }
+ else {
+ result.key = '\x1bOR';
+ }
+ break;
+ case 115:
+ if (modifiers) {
+ result.key = '\x1b[1;' + (modifiers + 1) + 'S';
+ }
+ else {
+ result.key = '\x1bOS';
+ }
+ break;
+ case 116:
+ if (modifiers) {
+ result.key = '\x1b[15;' + (modifiers + 1) + '~';
+ }
+ else {
+ result.key = '\x1b[15~';
+ }
+ break;
+ case 117:
+ if (modifiers) {
+ result.key = '\x1b[17;' + (modifiers + 1) + '~';
+ }
+ else {
+ result.key = '\x1b[17~';
+ }
+ break;
+ case 118:
+ if (modifiers) {
+ result.key = '\x1b[18;' + (modifiers + 1) + '~';
+ }
+ else {
+ result.key = '\x1b[18~';
+ }
+ break;
+ case 119:
+ if (modifiers) {
+ result.key = '\x1b[19;' + (modifiers + 1) + '~';
+ }
+ else {
+ result.key = '\x1b[19~';
+ }
+ break;
+ case 120:
+ if (modifiers) {
+ result.key = '\x1b[20;' + (modifiers + 1) + '~';
+ }
+ else {
+ result.key = '\x1b[20~';
+ }
+ break;
+ case 121:
+ if (modifiers) {
+ result.key = '\x1b[21;' + (modifiers + 1) + '~';
+ }
+ else {
+ result.key = '\x1b[21~';
+ }
+ break;
+ case 122:
+ if (modifiers) {
+ result.key = '\x1b[23;' + (modifiers + 1) + '~';
+ }
+ else {
+ result.key = '\x1b[23~';
+ }
+ break;
+ case 123:
+ if (modifiers) {
+ result.key = '\x1b[24;' + (modifiers + 1) + '~';
+ }
+ else {
+ result.key = '\x1b[24~';
+ }
+ break;
+ default:
+ // a-z and space
+ if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {
+ if (ev.keyCode >= 65 && ev.keyCode <= 90) {
+ result.key = String.fromCharCode(ev.keyCode - 64);
+ }
+ else if (ev.keyCode === 32) {
+ // NUL
+ result.key = String.fromCharCode(0);
+ }
+ else if (ev.keyCode >= 51 && ev.keyCode <= 55) {
+ // escape, file sep, group sep, record sep, unit sep
+ result.key = String.fromCharCode(ev.keyCode - 51 + 27);
+ }
+ else if (ev.keyCode === 56) {
+ // delete
+ result.key = String.fromCharCode(127);
+ }
+ else if (ev.keyCode === 219) {
+ // ^[ - Control Sequence Introducer (CSI)
+ result.key = String.fromCharCode(27);
+ }
+ else if (ev.keyCode === 220) {
+ // ^\ - String Terminator (ST)
+ result.key = String.fromCharCode(28);
+ }
+ else if (ev.keyCode === 221) {
+ // ^] - Operating System Command (OSC)
+ result.key = String.fromCharCode(29);
+ }
+ }
+ else if (!this.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) {
+ // On Mac this is a third level shift. Use <Esc> instead.
+ if (ev.keyCode >= 65 && ev.keyCode <= 90) {
+ result.key = '\x1b' + String.fromCharCode(ev.keyCode + 32);
+ }
+ else if (ev.keyCode === 192) {
+ result.key = '\x1b`';
+ }
+ else if (ev.keyCode >= 48 && ev.keyCode <= 57) {
+ result.key = '\x1b' + (ev.keyCode - 48);
+ }
+ }
+ break;
+ }
+ return result;
+};
+/**
* Set the G level of the terminal
* @param g
- */Terminal.prototype.setgLevel=function(g){this.glevel=g;this.charset=this.charsets[g];};/**
+ */
+Terminal.prototype.setgLevel = function (g) {
+ this.glevel = g;
+ this.charset = this.charsets[g];
+};
+/**
* Set the charset for the given G level of the terminal
* @param g
* @param charset
- */Terminal.prototype.setgCharset=function(g,charset){this.charsets[g]=charset;if(this.glevel===g){this.charset=charset;}};/**
+ */
+Terminal.prototype.setgCharset = function (g, charset) {
+ this.charsets[g] = charset;
+ if (this.glevel === g) {
+ this.charset = charset;
+ }
+};
+/**
* Handle a keypress event.
* Key Resources:
* - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent
* @param {KeyboardEvent} ev The keypress event to be handled.
- */Terminal.prototype.keyPress=function(ev){var key;this.cancel(ev);if(ev.charCode){key=ev.charCode;}else if(ev.which==null){key=ev.keyCode;}else if(ev.which!==0&&ev.charCode!==0){key=ev.which;}else{return false;}if(!key||(ev.altKey||ev.ctrlKey||ev.metaKey)&&!isThirdLevelShift(this,ev)){return false;}key=String.fromCharCode(key);this.emit('keypress',key,ev);this.emit('key',key,ev);this.showCursor();this.handler(key);return false;};/**
+ */
+Terminal.prototype.keyPress = function (ev) {
+ var key;
+ this.cancel(ev);
+ if (ev.charCode) {
+ key = ev.charCode;
+ }
+ else if (ev.which == null) {
+ key = ev.keyCode;
+ }
+ else if (ev.which !== 0 && ev.charCode !== 0) {
+ key = ev.which;
+ }
+ else {
+ return false;
+ }
+ if (!key || ((ev.altKey || ev.ctrlKey || ev.metaKey) && !isThirdLevelShift(this, ev))) {
+ return false;
+ }
+ key = String.fromCharCode(key);
+ this.emit('keypress', key, ev);
+ this.emit('key', key, ev);
+ this.showCursor();
+ this.handler(key);
+ return false;
+};
+/**
* Send data for handling to the terminal
* @param {string} data
- */Terminal.prototype.send=function(data){var self=this;if(!this.queue){setTimeout(function(){self.handler(self.queue);self.queue='';},1);}this.queue+=data;};/**
+ */
+Terminal.prototype.send = function (data) {
+ var self = this;
+ if (!this.queue) {
+ setTimeout(function () {
+ self.handler(self.queue);
+ self.queue = '';
+ }, 1);
+ }
+ this.queue += data;
+};
+/**
* Ring the bell.
* Note: We could do sweet things with webaudio here
- */Terminal.prototype.bell=function(){if(!this.visualBell)return;var self=this;this.element.style.borderColor='white';setTimeout(function(){self.element.style.borderColor='';},10);if(this.popOnBell)this.focus();};/**
+ */
+Terminal.prototype.bell = function () {
+ if (!this.visualBell)
+ return;
+ var self = this;
+ this.element.style.borderColor = 'white';
+ setTimeout(function () {
+ self.element.style.borderColor = '';
+ }, 10);
+ if (this.popOnBell)
+ this.focus();
+};
+/**
* Log the current state to the console.
- */Terminal.prototype.log=function(){if(!this.debug)return;if(!this.context.console||!this.context.console.log)return;var args=Array.prototype.slice.call(arguments);this.context.console.log.apply(this.context.console,args);};/**
+ */
+Terminal.prototype.log = function () {
+ if (!this.debug)
+ return;
+ if (!this.context.console || !this.context.console.log)
+ return;
+ var args = Array.prototype.slice.call(arguments);
+ this.context.console.log.apply(this.context.console, args);
+};
+/**
* Log the current state as error to the console.
- */Terminal.prototype.error=function(){if(!this.debug)return;if(!this.context.console||!this.context.console.error)return;var args=Array.prototype.slice.call(arguments);this.context.console.error.apply(this.context.console,args);};/**
+ */
+Terminal.prototype.error = function () {
+ if (!this.debug)
+ return;
+ if (!this.context.console || !this.context.console.error)
+ return;
+ var args = Array.prototype.slice.call(arguments);
+ this.context.console.error.apply(this.context.console, args);
+};
+/**
* Resizes the terminal.
*
* @param {number} x The number of columns to resize to.
* @param {number} y The number of rows to resize to.
- */Terminal.prototype.resize=function(x,y){var line,el,i,j,ch,addToY;if(x===this.cols&&y===this.rows){return;}if(x<1)x=1;if(y<1)y=1;// resize cols
-j=this.cols;if(j<x){ch=[this.defAttr,' ',1];// does xterm use the default attr?
-i=this.lines.length;while(i--){while(this.lines[i].length<x){this.lines[i].push(ch);}}}else{// (j > x)
-i=this.lines.length;while(i--){while(this.lines[i].length>x){this.lines[i].pop();}}}this.setupStops(j);this.cols=x;// resize rows
-j=this.rows;addToY=0;if(j<y){el=this.element;while(j++<y){// y is rows, not this.y
-if(this.lines.length<y+this.ybase){if(this.ybase>0&&this.lines.length<=this.ybase+this.y+addToY+1){// There is room above the buffer and there are no empty elements below the line,
-// scroll up
-this.ybase--;addToY++;if(this.ydisp>0){// Viewport is at the top of the buffer, must increase downwards
-this.ydisp--;}}else{// Add a blank line if there is no buffer left at the top to scroll to, or if there
-// are blank lines after the cursor
-this.lines.push(this.blankLine());}}if(this.children.length<y){this.insertRow();}}}else{// (j > y)
-while(j-->y){if(this.lines.length>y+this.ybase){if(this.lines.length>this.ybase+this.y+1){// The line is a blank line below the cursor, remove it
-this.lines.pop();}else{// The line is the cursor, scroll down
-this.ybase++;this.ydisp++;}}if(this.children.length>y){el=this.children.shift();if(!el)continue;el.parentNode.removeChild(el);}}}this.rows=y;// Make sure that the cursor stays on screen
-if(this.y>=y){this.y=y-1;}if(addToY){this.y+=addToY;}if(this.x>=x){this.x=x-1;}this.scrollTop=0;this.scrollBottom=y-1;this.refresh(0,this.rows-1);this.normal=null;this.geometry=[this.cols,this.rows];this.emit('resize',{terminal:this,cols:x,rows:y});};/**
+ */
+Terminal.prototype.resize = function (x, y) {
+ var line, el, i, j, ch, addToY;
+ if (x === this.cols && y === this.rows) {
+ return;
+ }
+ if (x < 1)
+ x = 1;
+ if (y < 1)
+ y = 1;
+ // resize cols
+ j = this.cols;
+ if (j < x) {
+ ch = [this.defAttr, ' ', 1]; // does xterm use the default attr?
+ i = this.lines.length;
+ while (i--) {
+ while (this.lines[i].length < x) {
+ this.lines[i].push(ch);
+ }
+ }
+ }
+ else {
+ i = this.lines.length;
+ while (i--) {
+ while (this.lines[i].length > x) {
+ this.lines[i].pop();
+ }
+ }
+ }
+ this.setupStops(j);
+ this.cols = x;
+ // resize rows
+ j = this.rows;
+ addToY = 0;
+ if (j < y) {
+ el = this.element;
+ while (j++ < y) {
+ // y is rows, not this.y
+ if (this.lines.length < y + this.ybase) {
+ if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {
+ // There is room above the buffer and there are no empty elements below the line,
+ // scroll up
+ this.ybase--;
+ addToY++;
+ if (this.ydisp > 0) {
+ // Viewport is at the top of the buffer, must increase downwards
+ this.ydisp--;
+ }
+ }
+ else {
+ // Add a blank line if there is no buffer left at the top to scroll to, or if there
+ // are blank lines after the cursor
+ this.lines.push(this.blankLine());
+ }
+ }
+ if (this.children.length < y) {
+ this.insertRow();
+ }
+ }
+ }
+ else {
+ while (j-- > y) {
+ if (this.lines.length > y + this.ybase) {
+ if (this.lines.length > this.ybase + this.y + 1) {
+ // The line is a blank line below the cursor, remove it
+ this.lines.pop();
+ }
+ else {
+ // The line is the cursor, scroll down
+ this.ybase++;
+ this.ydisp++;
+ }
+ }
+ if (this.children.length > y) {
+ el = this.children.shift();
+ if (!el)
+ continue;
+ el.parentNode.removeChild(el);
+ }
+ }
+ }
+ this.rows = y;
+ // Make sure that the cursor stays on screen
+ if (this.y >= y) {
+ this.y = y - 1;
+ }
+ if (addToY) {
+ this.y += addToY;
+ }
+ if (this.x >= x) {
+ this.x = x - 1;
+ }
+ this.scrollTop = 0;
+ this.scrollBottom = y - 1;
+ this.refresh(0, this.rows - 1);
+ this.normal = null;
+ this.geometry = [this.cols, this.rows];
+ this.emit('resize', { terminal: this, cols: x, rows: y });
+};
+/**
* Updates the range of rows to refresh
* @param {number} y The number of rows to refresh next.
- */Terminal.prototype.updateRange=function(y){if(y<this.refreshStart)this.refreshStart=y;if(y>this.refreshEnd)this.refreshEnd=y;// if (y > this.refreshEnd) {
-// this.refreshEnd = y;
-// if (y > this.rows - 1) {
-// this.refreshEnd = this.rows - 1;
-// }
-// }
-};/**
+ */
+Terminal.prototype.updateRange = function (y) {
+ if (y < this.refreshStart)
+ this.refreshStart = y;
+ if (y > this.refreshEnd)
+ this.refreshEnd = y;
+ // if (y > this.refreshEnd) {
+ // this.refreshEnd = y;
+ // if (y > this.rows - 1) {
+ // this.refreshEnd = this.rows - 1;
+ // }
+ // }
+};
+/**
* Set the range of refreshing to the maximum value
- */Terminal.prototype.maxRange=function(){this.refreshStart=0;this.refreshEnd=this.rows-1;};/**
+ */
+Terminal.prototype.maxRange = function () {
+ this.refreshStart = 0;
+ this.refreshEnd = this.rows - 1;
+};
+/**
* Setup the tab stops.
* @param {number} i
- */Terminal.prototype.setupStops=function(i){if(i!=null){if(!this.tabs[i]){i=this.prevStop(i);}}else{this.tabs={};i=0;}for(;i<this.cols;i+=8){this.tabs[i]=true;}};/**
+ */
+Terminal.prototype.setupStops = function (i) {
+ if (i != null) {
+ if (!this.tabs[i]) {
+ i = this.prevStop(i);
+ }
+ }
+ else {
+ this.tabs = {};
+ i = 0;
+ }
+ for (; i < this.cols; i += 8) {
+ this.tabs[i] = true;
+ }
+};
+/**
* Move the cursor to the previous tab stop from the given position (default is current).
* @param {number} x The position to move the cursor to the previous tab stop.
- */Terminal.prototype.prevStop=function(x){if(x==null)x=this.x;while(!this.tabs[--x]&&x>0){}return x>=this.cols?this.cols-1:x<0?0:x;};/**
+ */
+Terminal.prototype.prevStop = function (x) {
+ if (x == null)
+ x = this.x;
+ while (!this.tabs[--x] && x > 0)
+ ;
+ return x >= this.cols
+ ? this.cols - 1
+ : x < 0 ? 0 : x;
+};
+/**
* Move the cursor one tab stop forward from the given position (default is current).
* @param {number} x The position to move the cursor one tab stop forward.
- */Terminal.prototype.nextStop=function(x){if(x==null)x=this.x;while(!this.tabs[++x]&&x<this.cols){}return x>=this.cols?this.cols-1:x<0?0:x;};/**
+ */
+Terminal.prototype.nextStop = function (x) {
+ if (x == null)
+ x = this.x;
+ while (!this.tabs[++x] && x < this.cols)
+ ;
+ return x >= this.cols
+ ? this.cols - 1
+ : x < 0 ? 0 : x;
+};
+/**
* Erase in the identified line everything from "x" to the end of the line (right).
* @param {number} x The column from which to start erasing to the end of the line.
* @param {number} y The line in which to operate.
- */Terminal.prototype.eraseRight=function(x,y){var line=this.lines[this.ybase+y],ch=[this.eraseAttr(),' ',1];// xterm
-for(;x<this.cols;x++){line[x]=ch;}this.updateRange(y);};/**
+ */
+Terminal.prototype.eraseRight = function (x, y) {
+ var line = this.lines[this.ybase + y], ch = [this.eraseAttr(), ' ', 1]; // xterm
+ for (; x < this.cols; x++) {
+ line[x] = ch;
+ }
+ this.updateRange(y);
+};
+/**
* Erase in the identified line everything from "x" to the start of the line (left).
* @param {number} x The column from which to start erasing to the start of the line.
* @param {number} y The line in which to operate.
- */Terminal.prototype.eraseLeft=function(x,y){var line=this.lines[this.ybase+y],ch=[this.eraseAttr(),' ',1];// xterm
-x++;while(x--){line[x]=ch;}this.updateRange(y);};/**
+ */
+Terminal.prototype.eraseLeft = function (x, y) {
+ var line = this.lines[this.ybase + y], ch = [this.eraseAttr(), ' ', 1]; // xterm
+ x++;
+ while (x--)
+ line[x] = ch;
+ this.updateRange(y);
+};
+/**
* Clears the entire buffer, making the prompt line the new first line.
- */Terminal.prototype.clear=function(){if(this.ybase===0&&this.y===0){// Don't clear if it's already clear
-return;}this.lines=[this.lines[this.ybase+this.y]];this.ydisp=0;this.ybase=0;this.y=0;for(var i=1;i<this.rows;i++){this.lines.push(this.blankLine());}this.refresh(0,this.rows-1);this.emit('scroll',this.ydisp);};/**
+ */
+Terminal.prototype.clear = function () {
+ if (this.ybase === 0 && this.y === 0) {
+ // Don't clear if it's already clear
+ return;
+ }
+ this.lines = [this.lines[this.ybase + this.y]];
+ this.ydisp = 0;
+ this.ybase = 0;
+ this.y = 0;
+ for (var i = 1; i < this.rows; i++) {
+ this.lines.push(this.blankLine());
+ }
+ this.refresh(0, this.rows - 1);
+ this.emit('scroll', this.ydisp);
+};
+/**
* Erase all content in the given line
* @param {number} y The line to erase all of its contents.
- */Terminal.prototype.eraseLine=function(y){this.eraseRight(0,y);};/**
+ */
+Terminal.prototype.eraseLine = function (y) {
+ this.eraseRight(0, y);
+};
+/**
* Return the data array of a blank line/
* @param {number} cur First bunch of data for each "blank" character.
- */Terminal.prototype.blankLine=function(cur){var attr=cur?this.eraseAttr():this.defAttr;var ch=[attr,' ',1]// width defaults to 1 halfwidth character
-,line=[],i=0;for(;i<this.cols;i++){line[i]=ch;}return line;};/**
+ */
+Terminal.prototype.blankLine = function (cur) {
+ var attr = cur
+ ? this.eraseAttr()
+ : this.defAttr;
+ var ch = [attr, ' ', 1] // width defaults to 1 halfwidth character
+ , line = [], i = 0;
+ for (; i < this.cols; i++) {
+ line[i] = ch;
+ }
+ return line;
+};
+/**
* If cur return the back color xterm feature attribute. Else return defAttr.
* @param {object} cur
- */Terminal.prototype.ch=function(cur){return cur?[this.eraseAttr(),' ',1]:[this.defAttr,' ',1];};/**
+ */
+Terminal.prototype.ch = function (cur) {
+ return cur
+ ? [this.eraseAttr(), ' ', 1]
+ : [this.defAttr, ' ', 1];
+};
+/**
* Evaluate if the current erminal is the given argument.
* @param {object} term The terminal to evaluate
- */Terminal.prototype.is=function(term){var name=this.termName;return(name+'').indexOf(term)===0;};/**
+ */
+Terminal.prototype.is = function (term) {
+ var name = this.termName;
+ return (name + '').indexOf(term) === 0;
+};
+/**
* Emit the 'data' event and populate the given data.
* @param {string} data The data to populate in the event.
- */Terminal.prototype.handler=function(data){this.emit('data',data);};/**
+ */
+Terminal.prototype.handler = function (data) {
+ // Input is being sent to the terminal, the terminal should focus the prompt.
+ if (this.ybase !== this.ydisp) {
+ this.scrollToBottom();
+ }
+ this.emit('data', data);
+};
+/**
* Emit the 'title' event and populate the given title.
* @param {string} title The title to populate in the event.
- */Terminal.prototype.handleTitle=function(title){this.emit('title',title);};/**
+ */
+Terminal.prototype.handleTitle = function (title) {
+ /**
+ * This event is emitted when the title of the terminal is changed
+ * from inside the terminal. The parameter is the new title.
+ *
+ * @event title
+ */
+ this.emit('title', title);
+};
+/**
* ESC
- *//**
+ */
+/**
* ESC D Index (IND is 0x84).
- */Terminal.prototype.index=function(){this.y++;if(this.y>this.scrollBottom){this.y--;this.scroll();}this.state=normal;};/**
+ */
+Terminal.prototype.index = function () {
+ this.y++;
+ if (this.y > this.scrollBottom) {
+ this.y--;
+ this.scroll();
+ }
+ this.state = normal;
+};
+/**
* ESC M Reverse Index (RI is 0x8d).
- */Terminal.prototype.reverseIndex=function(){var j;this.y--;if(this.y<this.scrollTop){this.y++;// possibly move the code below to term.reverseScroll();
-// test: echo -ne '\e[1;1H\e[44m\eM\e[0m'
-// blankLine(true) is xterm/linux behavior
-this.lines.splice(this.y+this.ybase,0,this.blankLine(true));j=this.rows-1-this.scrollBottom;this.lines.splice(this.rows-1+this.ybase-j+1,1);// this.maxRange();
-this.updateRange(this.scrollTop);this.updateRange(this.scrollBottom);}this.state=normal;};/**
+ */
+Terminal.prototype.reverseIndex = function () {
+ var j;
+ this.y--;
+ if (this.y < this.scrollTop) {
+ this.y++;
+ // possibly move the code below to term.reverseScroll();
+ // test: echo -ne '\e[1;1H\e[44m\eM\e[0m'
+ // blankLine(true) is xterm/linux behavior
+ this.lines.splice(this.y + this.ybase, 0, this.blankLine(true));
+ j = this.rows - 1 - this.scrollBottom;
+ this.lines.splice(this.rows - 1 + this.ybase - j + 1, 1);
+ // this.maxRange();
+ this.updateRange(this.scrollTop);
+ this.updateRange(this.scrollBottom);
+ }
+ this.state = normal;
+};
+/**
* ESC c Full Reset (RIS).
- */Terminal.prototype.reset=function(){this.options.rows=this.rows;this.options.cols=this.cols;var customKeydownHandler=this.customKeydownHandler;Terminal.call(this,this.options);this.customKeydownHandler=customKeydownHandler;this.refresh(0,this.rows-1);this.viewport.syncScrollArea();};/**
+ */
+Terminal.prototype.reset = function () {
+ this.options.rows = this.rows;
+ this.options.cols = this.cols;
+ var customKeydownHandler = this.customKeydownHandler;
+ Terminal.call(this, this.options);
+ this.customKeydownHandler = customKeydownHandler;
+ this.refresh(0, this.rows - 1);
+ this.viewport.syncScrollArea();
+};
+/**
* ESC H Tab Set (HTS is 0x88).
- */Terminal.prototype.tabSet=function(){this.tabs[this.x]=true;this.state=normal;};/**
+ */
+Terminal.prototype.tabSet = function () {
+ this.tabs[this.x] = true;
+ this.state = normal;
+};
+/**
* CSI
- *//**
+ */
+/**
* CSI Ps A
* Cursor Up Ps Times (default = 1) (CUU).
- */Terminal.prototype.cursorUp=function(params){var param=params[0];if(param<1)param=1;this.y-=param;if(this.y<0)this.y=0;};/**
+ */
+Terminal.prototype.cursorUp = function (params) {
+ var param = params[0];
+ if (param < 1)
+ param = 1;
+ this.y -= param;
+ if (this.y < 0)
+ this.y = 0;
+};
+/**
* CSI Ps B
* Cursor Down Ps Times (default = 1) (CUD).
- */Terminal.prototype.cursorDown=function(params){var param=params[0];if(param<1)param=1;this.y+=param;if(this.y>=this.rows){this.y=this.rows-1;}};/**
+ */
+Terminal.prototype.cursorDown = function (params) {
+ var param = params[0];
+ if (param < 1)
+ param = 1;
+ this.y += param;
+ if (this.y >= this.rows) {
+ this.y = this.rows - 1;
+ }
+};
+/**
* CSI Ps C
* Cursor Forward Ps Times (default = 1) (CUF).
- */Terminal.prototype.cursorForward=function(params){var param=params[0];if(param<1)param=1;this.x+=param;if(this.x>=this.cols){this.x=this.cols-1;}};/**
+ */
+Terminal.prototype.cursorForward = function (params) {
+ var param = params[0];
+ if (param < 1)
+ param = 1;
+ this.x += param;
+ if (this.x >= this.cols) {
+ this.x = this.cols - 1;
+ }
+};
+/**
* CSI Ps D
* Cursor Backward Ps Times (default = 1) (CUB).
- */Terminal.prototype.cursorBackward=function(params){var param=params[0];if(param<1)param=1;this.x-=param;if(this.x<0)this.x=0;};/**
+ */
+Terminal.prototype.cursorBackward = function (params) {
+ var param = params[0];
+ if (param < 1)
+ param = 1;
+ this.x -= param;
+ if (this.x < 0)
+ this.x = 0;
+};
+/**
* CSI Ps ; Ps H
* Cursor Position [row;column] (default = [1,1]) (CUP).
- */Terminal.prototype.cursorPos=function(params){var row,col;row=params[0]-1;if(params.length>=2){col=params[1]-1;}else{col=0;}if(row<0){row=0;}else if(row>=this.rows){row=this.rows-1;}if(col<0){col=0;}else if(col>=this.cols){col=this.cols-1;}this.x=col;this.y=row;};/**
+ */
+Terminal.prototype.cursorPos = function (params) {
+ var row, col;
+ row = params[0] - 1;
+ if (params.length >= 2) {
+ col = params[1] - 1;
+ }
+ else {
+ col = 0;
+ }
+ if (row < 0) {
+ row = 0;
+ }
+ else if (row >= this.rows) {
+ row = this.rows - 1;
+ }
+ if (col < 0) {
+ col = 0;
+ }
+ else if (col >= this.cols) {
+ col = this.cols - 1;
+ }
+ this.x = col;
+ this.y = row;
+};
+/**
* CSI Ps J Erase in Display (ED).
* Ps = 0 -> Erase Below (default).
* Ps = 1 -> Erase Above.
* Ps = 0 -> Selective Erase Below (default).
* Ps = 1 -> Selective Erase Above.
* Ps = 2 -> Selective Erase All.
- */Terminal.prototype.eraseInDisplay=function(params){var j;switch(params[0]){case 0:this.eraseRight(this.x,this.y);j=this.y+1;for(;j<this.rows;j++){this.eraseLine(j);}break;case 1:this.eraseLeft(this.x,this.y);j=this.y;while(j--){this.eraseLine(j);}break;case 2:j=this.rows;while(j--){this.eraseLine(j);}break;case 3:;// no saved lines
-break;}};/**
+ */
+Terminal.prototype.eraseInDisplay = function (params) {
+ var j;
+ switch (params[0]) {
+ case 0:
+ this.eraseRight(this.x, this.y);
+ j = this.y + 1;
+ for (; j < this.rows; j++) {
+ this.eraseLine(j);
+ }
+ break;
+ case 1:
+ this.eraseLeft(this.x, this.y);
+ j = this.y;
+ while (j--) {
+ this.eraseLine(j);
+ }
+ break;
+ case 2:
+ j = this.rows;
+ while (j--)
+ this.eraseLine(j);
+ break;
+ case 3:
+ ; // no saved lines
+ break;
+ }
+};
+/**
* CSI Ps K Erase in Line (EL).
* Ps = 0 -> Erase to Right (default).
* Ps = 1 -> Erase to Left.
* Ps = 0 -> Selective Erase to Right (default).
* Ps = 1 -> Selective Erase to Left.
* Ps = 2 -> Selective Erase All.
- */Terminal.prototype.eraseInLine=function(params){switch(params[0]){case 0:this.eraseRight(this.x,this.y);break;case 1:this.eraseLeft(this.x,this.y);break;case 2:this.eraseLine(this.y);break;}};/**
+ */
+Terminal.prototype.eraseInLine = function (params) {
+ switch (params[0]) {
+ case 0:
+ this.eraseRight(this.x, this.y);
+ break;
+ case 1:
+ this.eraseLeft(this.x, this.y);
+ break;
+ case 2:
+ this.eraseLine(this.y);
+ break;
+ }
+};
+/**
* CSI Pm m Character Attributes (SGR).
* Ps = 0 -> Normal (default).
* Ps = 1 -> Bold.
* Ps.
* Ps = 4 8 ; 5 ; Ps -> Set background color to the second
* Ps.
- */Terminal.prototype.charAttributes=function(params){// Optimize a single SGR0.
-if(params.length===1&¶ms[0]===0){this.curAttr=this.defAttr;return;}var l=params.length,i=0,flags=this.curAttr>>18,fg=this.curAttr>>9&0x1ff,bg=this.curAttr&0x1ff,p;for(;i<l;i++){p=params[i];if(p>=30&&p<=37){// fg color 8
-fg=p-30;}else if(p>=40&&p<=47){// bg color 8
-bg=p-40;}else if(p>=90&&p<=97){// fg color 16
-p+=8;fg=p-90;}else if(p>=100&&p<=107){// bg color 16
-p+=8;bg=p-100;}else if(p===0){// default
-flags=this.defAttr>>18;fg=this.defAttr>>9&0x1ff;bg=this.defAttr&0x1ff;// flags = 0;
-// fg = 0x1ff;
-// bg = 0x1ff;
-}else if(p===1){// bold text
-flags|=1;}else if(p===4){// underlined text
-flags|=2;}else if(p===5){// blink
-flags|=4;}else if(p===7){// inverse and positive
-// test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m'
-flags|=8;}else if(p===8){// invisible
-flags|=16;}else if(p===22){// not bold
-flags&=~1;}else if(p===24){// not underlined
-flags&=~2;}else if(p===25){// not blink
-flags&=~4;}else if(p===27){// not inverse
-flags&=~8;}else if(p===28){// not invisible
-flags&=~16;}else if(p===39){// reset fg
-fg=this.defAttr>>9&0x1ff;}else if(p===49){// reset bg
-bg=this.defAttr&0x1ff;}else if(p===38){// fg color 256
-if(params[i+1]===2){i+=2;fg=matchColor(params[i]&0xff,params[i+1]&0xff,params[i+2]&0xff);if(fg===-1)fg=0x1ff;i+=2;}else if(params[i+1]===5){i+=2;p=params[i]&0xff;fg=p;}}else if(p===48){// bg color 256
-if(params[i+1]===2){i+=2;bg=matchColor(params[i]&0xff,params[i+1]&0xff,params[i+2]&0xff);if(bg===-1)bg=0x1ff;i+=2;}else if(params[i+1]===5){i+=2;p=params[i]&0xff;bg=p;}}else if(p===100){// reset fg/bg
-fg=this.defAttr>>9&0x1ff;bg=this.defAttr&0x1ff;}else{this.error('Unknown SGR attribute: %d.',p);}}this.curAttr=flags<<18|fg<<9|bg;};/**
+ */
+Terminal.prototype.charAttributes = function (params) {
+ // Optimize a single SGR0.
+ if (params.length === 1 && params[0] === 0) {
+ this.curAttr = this.defAttr;
+ return;
+ }
+ var l = params.length, i = 0, flags = this.curAttr >> 18, fg = (this.curAttr >> 9) & 0x1ff, bg = this.curAttr & 0x1ff, p;
+ for (; i < l; i++) {
+ p = params[i];
+ if (p >= 30 && p <= 37) {
+ // fg color 8
+ fg = p - 30;
+ }
+ else if (p >= 40 && p <= 47) {
+ // bg color 8
+ bg = p - 40;
+ }
+ else if (p >= 90 && p <= 97) {
+ // fg color 16
+ p += 8;
+ fg = p - 90;
+ }
+ else if (p >= 100 && p <= 107) {
+ // bg color 16
+ p += 8;
+ bg = p - 100;
+ }
+ else if (p === 0) {
+ // default
+ flags = this.defAttr >> 18;
+ fg = (this.defAttr >> 9) & 0x1ff;
+ bg = this.defAttr & 0x1ff;
+ }
+ else if (p === 1) {
+ // bold text
+ flags |= 1;
+ }
+ else if (p === 4) {
+ // underlined text
+ flags |= 2;
+ }
+ else if (p === 5) {
+ // blink
+ flags |= 4;
+ }
+ else if (p === 7) {
+ // inverse and positive
+ // test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m'
+ flags |= 8;
+ }
+ else if (p === 8) {
+ // invisible
+ flags |= 16;
+ }
+ else if (p === 22) {
+ // not bold
+ flags &= ~1;
+ }
+ else if (p === 24) {
+ // not underlined
+ flags &= ~2;
+ }
+ else if (p === 25) {
+ // not blink
+ flags &= ~4;
+ }
+ else if (p === 27) {
+ // not inverse
+ flags &= ~8;
+ }
+ else if (p === 28) {
+ // not invisible
+ flags &= ~16;
+ }
+ else if (p === 39) {
+ // reset fg
+ fg = (this.defAttr >> 9) & 0x1ff;
+ }
+ else if (p === 49) {
+ // reset bg
+ bg = this.defAttr & 0x1ff;
+ }
+ else if (p === 38) {
+ // fg color 256
+ if (params[i + 1] === 2) {
+ i += 2;
+ fg = matchColor(params[i] & 0xff, params[i + 1] & 0xff, params[i + 2] & 0xff);
+ if (fg === -1)
+ fg = 0x1ff;
+ i += 2;
+ }
+ else if (params[i + 1] === 5) {
+ i += 2;
+ p = params[i] & 0xff;
+ fg = p;
+ }
+ }
+ else if (p === 48) {
+ // bg color 256
+ if (params[i + 1] === 2) {
+ i += 2;
+ bg = matchColor(params[i] & 0xff, params[i + 1] & 0xff, params[i + 2] & 0xff);
+ if (bg === -1)
+ bg = 0x1ff;
+ i += 2;
+ }
+ else if (params[i + 1] === 5) {
+ i += 2;
+ p = params[i] & 0xff;
+ bg = p;
+ }
+ }
+ else if (p === 100) {
+ // reset fg/bg
+ fg = (this.defAttr >> 9) & 0x1ff;
+ bg = this.defAttr & 0x1ff;
+ }
+ else {
+ this.error('Unknown SGR attribute: %d.', p);
+ }
+ }
+ this.curAttr = (flags << 18) | (fg << 9) | bg;
+};
+/**
* CSI Ps n Device Status Report (DSR).
* Ps = 5 -> Status Report. Result (``OK'') is
* CSI 0 n
* Ps = 5 3 -> Report Locator status as
* CSI ? 5 3 n Locator available, if compiled-in, or
* CSI ? 5 0 n No Locator, if not.
- */Terminal.prototype.deviceStatus=function(params){if(!this.prefix){switch(params[0]){case 5:// status report
-this.send('\x1b[0n');break;case 6:// cursor position
-this.send('\x1b['+(this.y+1)+';'+(this.x+1)+'R');break;}}else if(this.prefix==='?'){// modern xterm doesnt seem to
-// respond to any of these except ?6, 6, and 5
-switch(params[0]){case 6:// cursor position
-this.send('\x1b[?'+(this.y+1)+';'+(this.x+1)+'R');break;case 15:// no printer
-// this.send('\x1b[?11n');
-break;case 25:// dont support user defined keys
-// this.send('\x1b[?21n');
-break;case 26:// north american keyboard
-// this.send('\x1b[?27;1;0;0n');
-break;case 53:// no dec locator/mouse
-// this.send('\x1b[?50n');
-break;}}};/**
+ */
+Terminal.prototype.deviceStatus = function (params) {
+ if (!this.prefix) {
+ switch (params[0]) {
+ case 5:
+ // status report
+ this.send('\x1b[0n');
+ break;
+ case 6:
+ // cursor position
+ this.send('\x1b['
+ + (this.y + 1)
+ + ';'
+ + (this.x + 1)
+ + 'R');
+ break;
+ }
+ }
+ else if (this.prefix === '?') {
+ // modern xterm doesnt seem to
+ // respond to any of these except ?6, 6, and 5
+ switch (params[0]) {
+ case 6:
+ // cursor position
+ this.send('\x1b[?'
+ + (this.y + 1)
+ + ';'
+ + (this.x + 1)
+ + 'R');
+ break;
+ case 15:
+ // no printer
+ // this.send('\x1b[?11n');
+ break;
+ case 25:
+ // dont support user defined keys
+ // this.send('\x1b[?21n');
+ break;
+ case 26:
+ // north american keyboard
+ // this.send('\x1b[?27;1;0;0n');
+ break;
+ case 53:
+ // no dec locator/mouse
+ // this.send('\x1b[?50n');
+ break;
+ }
+ }
+};
+/**
* Additions
- *//**
+ */
+/**
* CSI Ps @
* Insert Ps (Blank) Character(s) (default = 1) (ICH).
- */Terminal.prototype.insertChars=function(params){var param,row,j,ch;param=params[0];if(param<1)param=1;row=this.y+this.ybase;j=this.x;ch=[this.eraseAttr(),' ',1];// xterm
-while(param--&&j<this.cols){this.lines[row].splice(j++,0,ch);this.lines[row].pop();}};/**
+ */
+Terminal.prototype.insertChars = function (params) {
+ var param, row, j, ch;
+ param = params[0];
+ if (param < 1)
+ param = 1;
+ row = this.y + this.ybase;
+ j = this.x;
+ ch = [this.eraseAttr(), ' ', 1]; // xterm
+ while (param-- && j < this.cols) {
+ this.lines[row].splice(j++, 0, ch);
+ this.lines[row].pop();
+ }
+};
+/**
* CSI Ps E
* Cursor Next Line Ps Times (default = 1) (CNL).
* same as CSI Ps B ?
- */Terminal.prototype.cursorNextLine=function(params){var param=params[0];if(param<1)param=1;this.y+=param;if(this.y>=this.rows){this.y=this.rows-1;}this.x=0;};/**
+ */
+Terminal.prototype.cursorNextLine = function (params) {
+ var param = params[0];
+ if (param < 1)
+ param = 1;
+ this.y += param;
+ if (this.y >= this.rows) {
+ this.y = this.rows - 1;
+ }
+ this.x = 0;
+};
+/**
* CSI Ps F
* Cursor Preceding Line Ps Times (default = 1) (CNL).
* reuse CSI Ps A ?
- */Terminal.prototype.cursorPrecedingLine=function(params){var param=params[0];if(param<1)param=1;this.y-=param;if(this.y<0)this.y=0;this.x=0;};/**
+ */
+Terminal.prototype.cursorPrecedingLine = function (params) {
+ var param = params[0];
+ if (param < 1)
+ param = 1;
+ this.y -= param;
+ if (this.y < 0)
+ this.y = 0;
+ this.x = 0;
+};
+/**
* CSI Ps G
* Cursor Character Absolute [column] (default = [row,1]) (CHA).
- */Terminal.prototype.cursorCharAbsolute=function(params){var param=params[0];if(param<1)param=1;this.x=param-1;};/**
+ */
+Terminal.prototype.cursorCharAbsolute = function (params) {
+ var param = params[0];
+ if (param < 1)
+ param = 1;
+ this.x = param - 1;
+};
+/**
* CSI Ps L
* Insert Ps Line(s) (default = 1) (IL).
- */Terminal.prototype.insertLines=function(params){var param,row,j;param=params[0];if(param<1)param=1;row=this.y+this.ybase;j=this.rows-1-this.scrollBottom;j=this.rows-1+this.ybase-j+1;while(param--){// test: echo -e '\e[44m\e[1L\e[0m'
-// blankLine(true) - xterm/linux behavior
-this.lines.splice(row,0,this.blankLine(true));this.lines.splice(j,1);}// this.maxRange();
-this.updateRange(this.y);this.updateRange(this.scrollBottom);};/**
+ */
+Terminal.prototype.insertLines = function (params) {
+ var param, row, j;
+ param = params[0];
+ if (param < 1)
+ param = 1;
+ row = this.y + this.ybase;
+ j = this.rows - 1 - this.scrollBottom;
+ j = this.rows - 1 + this.ybase - j + 1;
+ while (param--) {
+ // test: echo -e '\e[44m\e[1L\e[0m'
+ // blankLine(true) - xterm/linux behavior
+ this.lines.splice(row, 0, this.blankLine(true));
+ this.lines.splice(j, 1);
+ }
+ // this.maxRange();
+ this.updateRange(this.y);
+ this.updateRange(this.scrollBottom);
+};
+/**
* CSI Ps M
* Delete Ps Line(s) (default = 1) (DL).
- */Terminal.prototype.deleteLines=function(params){var param,row,j;param=params[0];if(param<1)param=1;row=this.y+this.ybase;j=this.rows-1-this.scrollBottom;j=this.rows-1+this.ybase-j;while(param--){// test: echo -e '\e[44m\e[1M\e[0m'
-// blankLine(true) - xterm/linux behavior
-this.lines.splice(j+1,0,this.blankLine(true));this.lines.splice(row,1);}// this.maxRange();
-this.updateRange(this.y);this.updateRange(this.scrollBottom);};/**
+ */
+Terminal.prototype.deleteLines = function (params) {
+ var param, row, j;
+ param = params[0];
+ if (param < 1)
+ param = 1;
+ row = this.y + this.ybase;
+ j = this.rows - 1 - this.scrollBottom;
+ j = this.rows - 1 + this.ybase - j;
+ while (param--) {
+ // test: echo -e '\e[44m\e[1M\e[0m'
+ // blankLine(true) - xterm/linux behavior
+ this.lines.splice(j + 1, 0, this.blankLine(true));
+ this.lines.splice(row, 1);
+ }
+ // this.maxRange();
+ this.updateRange(this.y);
+ this.updateRange(this.scrollBottom);
+};
+/**
* CSI Ps P
* Delete Ps Character(s) (default = 1) (DCH).
- */Terminal.prototype.deleteChars=function(params){var param,row,ch;param=params[0];if(param<1)param=1;row=this.y+this.ybase;ch=[this.eraseAttr(),' ',1];// xterm
-while(param--){this.lines[row].splice(this.x,1);this.lines[row].push(ch);}};/**
+ */
+Terminal.prototype.deleteChars = function (params) {
+ var param, row, ch;
+ param = params[0];
+ if (param < 1)
+ param = 1;
+ row = this.y + this.ybase;
+ ch = [this.eraseAttr(), ' ', 1]; // xterm
+ while (param--) {
+ this.lines[row].splice(this.x, 1);
+ this.lines[row].push(ch);
+ }
+};
+/**
* CSI Ps X
* Erase Ps Character(s) (default = 1) (ECH).
- */Terminal.prototype.eraseChars=function(params){var param,row,j,ch;param=params[0];if(param<1)param=1;row=this.y+this.ybase;j=this.x;ch=[this.eraseAttr(),' ',1];// xterm
-while(param--&&j<this.cols){this.lines[row][j++]=ch;}};/**
+ */
+Terminal.prototype.eraseChars = function (params) {
+ var param, row, j, ch;
+ param = params[0];
+ if (param < 1)
+ param = 1;
+ row = this.y + this.ybase;
+ j = this.x;
+ ch = [this.eraseAttr(), ' ', 1]; // xterm
+ while (param-- && j < this.cols) {
+ this.lines[row][j++] = ch;
+ }
+};
+/**
* CSI Pm ` Character Position Absolute
* [column] (default = [row,1]) (HPA).
- */Terminal.prototype.charPosAbsolute=function(params){var param=params[0];if(param<1)param=1;this.x=param-1;if(this.x>=this.cols){this.x=this.cols-1;}};/**
+ */
+Terminal.prototype.charPosAbsolute = function (params) {
+ var param = params[0];
+ if (param < 1)
+ param = 1;
+ this.x = param - 1;
+ if (this.x >= this.cols) {
+ this.x = this.cols - 1;
+ }
+};
+/**
* 141 61 a * HPR -
* Horizontal Position Relative
* reuse CSI Ps C ?
- */Terminal.prototype.HPositionRelative=function(params){var param=params[0];if(param<1)param=1;this.x+=param;if(this.x>=this.cols){this.x=this.cols-1;}};/**
+ */
+Terminal.prototype.HPositionRelative = function (params) {
+ var param = params[0];
+ if (param < 1)
+ param = 1;
+ this.x += param;
+ if (this.x >= this.cols) {
+ this.x = this.cols - 1;
+ }
+};
+/**
* CSI Ps c Send Device Attributes (Primary DA).
* Ps = 0 or omitted -> request attributes from terminal. The
* response depends on the decTerminalID resource setting.
* More information:
* xterm/charproc.c - line 2012, for more information.
* vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)
- */Terminal.prototype.sendDeviceAttributes=function(params){if(params[0]>0)return;if(!this.prefix){if(this.is('xterm')||this.is('rxvt-unicode')||this.is('screen')){this.send('\x1b[?1;2c');}else if(this.is('linux')){this.send('\x1b[?6c');}}else if(this.prefix==='>'){// xterm and urxvt
-// seem to spit this
-// out around ~370 times (?).
-if(this.is('xterm')){this.send('\x1b[>0;276;0c');}else if(this.is('rxvt-unicode')){this.send('\x1b[>85;95;0c');}else if(this.is('linux')){// not supported by linux console.
-// linux console echoes parameters.
-this.send(params[0]+'c');}else if(this.is('screen')){this.send('\x1b[>83;40003;0c');}}};/**
+ */
+Terminal.prototype.sendDeviceAttributes = function (params) {
+ if (params[0] > 0)
+ return;
+ if (!this.prefix) {
+ if (this.is('xterm')
+ || this.is('rxvt-unicode')
+ || this.is('screen')) {
+ this.send('\x1b[?1;2c');
+ }
+ else if (this.is('linux')) {
+ this.send('\x1b[?6c');
+ }
+ }
+ else if (this.prefix === '>') {
+ // xterm and urxvt
+ // seem to spit this
+ // out around ~370 times (?).
+ if (this.is('xterm')) {
+ this.send('\x1b[>0;276;0c');
+ }
+ else if (this.is('rxvt-unicode')) {
+ this.send('\x1b[>85;95;0c');
+ }
+ else if (this.is('linux')) {
+ // not supported by linux console.
+ // linux console echoes parameters.
+ this.send(params[0] + 'c');
+ }
+ else if (this.is('screen')) {
+ this.send('\x1b[>83;40003;0c');
+ }
+ }
+};
+/**
* CSI Pm d
* Line Position Absolute [row] (default = [1,column]) (VPA).
- */Terminal.prototype.linePosAbsolute=function(params){var param=params[0];if(param<1)param=1;this.y=param-1;if(this.y>=this.rows){this.y=this.rows-1;}};/**
+ */
+Terminal.prototype.linePosAbsolute = function (params) {
+ var param = params[0];
+ if (param < 1)
+ param = 1;
+ this.y = param - 1;
+ if (this.y >= this.rows) {
+ this.y = this.rows - 1;
+ }
+};
+/**
* 145 65 e * VPR - Vertical Position Relative
* reuse CSI Ps B ?
- */Terminal.prototype.VPositionRelative=function(params){var param=params[0];if(param<1)param=1;this.y+=param;if(this.y>=this.rows){this.y=this.rows-1;}};/**
+ */
+Terminal.prototype.VPositionRelative = function (params) {
+ var param = params[0];
+ if (param < 1)
+ param = 1;
+ this.y += param;
+ if (this.y >= this.rows) {
+ this.y = this.rows - 1;
+ }
+};
+/**
* CSI Ps ; Ps f
* Horizontal and Vertical Position [row;column] (default =
* [1,1]) (HVP).
- */Terminal.prototype.HVPosition=function(params){if(params[0]<1)params[0]=1;if(params[1]<1)params[1]=1;this.y=params[0]-1;if(this.y>=this.rows){this.y=this.rows-1;}this.x=params[1]-1;if(this.x>=this.cols){this.x=this.cols-1;}};/**
+ */
+Terminal.prototype.HVPosition = function (params) {
+ if (params[0] < 1)
+ params[0] = 1;
+ if (params[1] < 1)
+ params[1] = 1;
+ this.y = params[0] - 1;
+ if (this.y >= this.rows) {
+ this.y = this.rows - 1;
+ }
+ this.x = params[1] - 1;
+ if (this.x >= this.cols) {
+ this.x = this.cols - 1;
+ }
+};
+/**
* CSI Pm h Set Mode (SM).
* Ps = 2 -> Keyboard Action Mode (AM).
* Ps = 4 -> Insert Mode (IRM).
* Ps = 2 0 0 4 -> Set bracketed paste mode.
* Modes:
* http: *vt100.net/docs/vt220-rm/chapter4.html
- */Terminal.prototype.setMode=function(params){if((typeof params==='undefined'?'undefined':_typeof(params))==='object'){var l=params.length,i=0;for(;i<l;i++){this.setMode(params[i]);}return;}if(!this.prefix){switch(params){case 4:this.insertMode=true;break;case 20://this.convertEol = true;
-break;}}else if(this.prefix==='?'){switch(params){case 1:this.applicationCursor=true;break;case 2:this.setgCharset(0,Terminal.charsets.US);this.setgCharset(1,Terminal.charsets.US);this.setgCharset(2,Terminal.charsets.US);this.setgCharset(3,Terminal.charsets.US);// set VT100 mode here
-break;case 3:// 132 col mode
-this.savedCols=this.cols;this.resize(132,this.rows);break;case 6:this.originMode=true;break;case 7:this.wraparoundMode=true;break;case 12:// this.cursorBlink = true;
-break;case 66:this.log('Serial port requested application keypad.');this.applicationKeypad=true;this.viewport.syncScrollArea();break;case 9:// X10 Mouse
-// no release, no motion, no wheel, no modifiers.
-case 1000:// vt200 mouse
-// no motion.
-// no modifiers, except control on the wheel.
-case 1002:// button event mouse
-case 1003:// any event mouse
-// any event - sends motion events,
-// even if there is no button held down.
-this.x10Mouse=params===9;this.vt200Mouse=params===1000;this.normalMouse=params>1000;this.mouseEvents=true;this.element.style.cursor='default';this.log('Binding to mouse events.');break;case 1004:// send focusin/focusout events
-// focusin: ^[[I
-// focusout: ^[[O
-this.sendFocus=true;break;case 1005:// utf8 ext mode mouse
-this.utfMouse=true;// for wide terminals
-// simply encodes large values as utf8 characters
-break;case 1006:// sgr ext mode mouse
-this.sgrMouse=true;// for wide terminals
-// does not add 32 to fields
-// press: ^[[<b;x;yM
-// release: ^[[<b;x;ym
-break;case 1015:// urxvt ext mode mouse
-this.urxvtMouse=true;// for wide terminals
-// numbers for fields
-// press: ^[[b;x;yM
-// motion: ^[[b;x;yT
-break;case 25:// show cursor
-this.cursorHidden=false;break;case 1049:// alt screen buffer cursor
-//this.saveCursor();
-;// FALL-THROUGH
-case 47:// alt screen buffer
-case 1047:// alt screen buffer
-if(!this.normal){var normal={lines:this.lines,ybase:this.ybase,ydisp:this.ydisp,x:this.x,y:this.y,scrollTop:this.scrollTop,scrollBottom:this.scrollBottom,tabs:this.tabs// XXX save charset(s) here?
-// charset: this.charset,
-// glevel: this.glevel,
-// charsets: this.charsets
-};this.reset();this.normal=normal;this.showCursor();}break;}}};/**
+ */
+Terminal.prototype.setMode = function (params) {
+ if (typeof params === 'object') {
+ var l = params.length, i = 0;
+ for (; i < l; i++) {
+ this.setMode(params[i]);
+ }
+ return;
+ }
+ if (!this.prefix) {
+ switch (params) {
+ case 4:
+ this.insertMode = true;
+ break;
+ case 20:
+ //this.convertEol = true;
+ break;
+ }
+ }
+ else if (this.prefix === '?') {
+ switch (params) {
+ case 1:
+ this.applicationCursor = true;
+ break;
+ case 2:
+ this.setgCharset(0, Terminal.charsets.US);
+ this.setgCharset(1, Terminal.charsets.US);
+ this.setgCharset(2, Terminal.charsets.US);
+ this.setgCharset(3, Terminal.charsets.US);
+ // set VT100 mode here
+ break;
+ case 3:
+ this.savedCols = this.cols;
+ this.resize(132, this.rows);
+ break;
+ case 6:
+ this.originMode = true;
+ break;
+ case 7:
+ this.wraparoundMode = true;
+ break;
+ case 12:
+ // this.cursorBlink = true;
+ break;
+ case 66:
+ this.log('Serial port requested application keypad.');
+ this.applicationKeypad = true;
+ this.viewport.syncScrollArea();
+ break;
+ case 9: // X10 Mouse
+ // no release, no motion, no wheel, no modifiers.
+ case 1000: // vt200 mouse
+ // no motion.
+ // no modifiers, except control on the wheel.
+ case 1002: // button event mouse
+ case 1003:
+ // any event - sends motion events,
+ // even if there is no button held down.
+ this.x10Mouse = params === 9;
+ this.vt200Mouse = params === 1000;
+ this.normalMouse = params > 1000;
+ this.mouseEvents = true;
+ this.element.style.cursor = 'default';
+ this.log('Binding to mouse events.');
+ break;
+ case 1004:
+ // focusin: ^[[I
+ // focusout: ^[[O
+ this.sendFocus = true;
+ break;
+ case 1005:
+ this.utfMouse = true;
+ // for wide terminals
+ // simply encodes large values as utf8 characters
+ break;
+ case 1006:
+ this.sgrMouse = true;
+ // for wide terminals
+ // does not add 32 to fields
+ // press: ^[[<b;x;yM
+ // release: ^[[<b;x;ym
+ break;
+ case 1015:
+ this.urxvtMouse = true;
+ // for wide terminals
+ // numbers for fields
+ // press: ^[[b;x;yM
+ // motion: ^[[b;x;yT
+ break;
+ case 25:
+ this.cursorHidden = false;
+ break;
+ case 1049:
+ //this.saveCursor();
+ ; // FALL-THROUGH
+ case 47: // alt screen buffer
+ case 1047:
+ if (!this.normal) {
+ var normal = {
+ lines: this.lines,
+ ybase: this.ybase,
+ ydisp: this.ydisp,
+ x: this.x,
+ y: this.y,
+ scrollTop: this.scrollTop,
+ scrollBottom: this.scrollBottom,
+ tabs: this.tabs
+ };
+ this.reset();
+ this.normal = normal;
+ this.showCursor();
+ }
+ break;
+ }
+ }
+};
+/**
* CSI Pm l Reset Mode (RM).
* Ps = 2 -> Keyboard Action Mode (AM).
* Ps = 4 -> Replace Mode (IRM).
* Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6).
* Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style.
* Ps = 2 0 0 4 -> Reset bracketed paste mode.
- */Terminal.prototype.resetMode=function(params){if((typeof params==='undefined'?'undefined':_typeof(params))==='object'){var l=params.length,i=0;for(;i<l;i++){this.resetMode(params[i]);}return;}if(!this.prefix){switch(params){case 4:this.insertMode=false;break;case 20://this.convertEol = false;
-break;}}else if(this.prefix==='?'){switch(params){case 1:this.applicationCursor=false;break;case 3:if(this.cols===132&&this.savedCols){this.resize(this.savedCols,this.rows);}delete this.savedCols;break;case 6:this.originMode=false;break;case 7:this.wraparoundMode=false;break;case 12:// this.cursorBlink = false;
-break;case 66:this.log('Switching back to normal keypad.');this.applicationKeypad=false;this.viewport.syncScrollArea();break;case 9:// X10 Mouse
-case 1000:// vt200 mouse
-case 1002:// button event mouse
-case 1003:// any event mouse
-this.x10Mouse=false;this.vt200Mouse=false;this.normalMouse=false;this.mouseEvents=false;this.element.style.cursor='';break;case 1004:// send focusin/focusout events
-this.sendFocus=false;break;case 1005:// utf8 ext mode mouse
-this.utfMouse=false;break;case 1006:// sgr ext mode mouse
-this.sgrMouse=false;break;case 1015:// urxvt ext mode mouse
-this.urxvtMouse=false;break;case 25:// hide cursor
-this.cursorHidden=true;break;case 1049:// alt screen buffer cursor
-;// FALL-THROUGH
-case 47:// normal screen buffer
-case 1047:// normal screen buffer - clearing it first
-if(this.normal){this.lines=this.normal.lines;this.ybase=this.normal.ybase;this.ydisp=this.normal.ydisp;this.x=this.normal.x;this.y=this.normal.y;this.scrollTop=this.normal.scrollTop;this.scrollBottom=this.normal.scrollBottom;this.tabs=this.normal.tabs;this.normal=null;// if (params === 1049) {
-// this.x = this.savedX;
-// this.y = this.savedY;
-// }
-this.refresh(0,this.rows-1);this.showCursor();}break;}}};/**
+ */
+Terminal.prototype.resetMode = function (params) {
+ if (typeof params === 'object') {
+ var l = params.length, i = 0;
+ for (; i < l; i++) {
+ this.resetMode(params[i]);
+ }
+ return;
+ }
+ if (!this.prefix) {
+ switch (params) {
+ case 4:
+ this.insertMode = false;
+ break;
+ case 20:
+ //this.convertEol = false;
+ break;
+ }
+ }
+ else if (this.prefix === '?') {
+ switch (params) {
+ case 1:
+ this.applicationCursor = false;
+ break;
+ case 3:
+ if (this.cols === 132 && this.savedCols) {
+ this.resize(this.savedCols, this.rows);
+ }
+ delete this.savedCols;
+ break;
+ case 6:
+ this.originMode = false;
+ break;
+ case 7:
+ this.wraparoundMode = false;
+ break;
+ case 12:
+ // this.cursorBlink = false;
+ break;
+ case 66:
+ this.log('Switching back to normal keypad.');
+ this.applicationKeypad = false;
+ this.viewport.syncScrollArea();
+ break;
+ case 9: // X10 Mouse
+ case 1000: // vt200 mouse
+ case 1002: // button event mouse
+ case 1003:
+ this.x10Mouse = false;
+ this.vt200Mouse = false;
+ this.normalMouse = false;
+ this.mouseEvents = false;
+ this.element.style.cursor = '';
+ break;
+ case 1004:
+ this.sendFocus = false;
+ break;
+ case 1005:
+ this.utfMouse = false;
+ break;
+ case 1006:
+ this.sgrMouse = false;
+ break;
+ case 1015:
+ this.urxvtMouse = false;
+ break;
+ case 25:
+ this.cursorHidden = true;
+ break;
+ case 1049:
+ ; // FALL-THROUGH
+ case 47: // normal screen buffer
+ case 1047:
+ if (this.normal) {
+ this.lines = this.normal.lines;
+ this.ybase = this.normal.ybase;
+ this.ydisp = this.normal.ydisp;
+ this.x = this.normal.x;
+ this.y = this.normal.y;
+ this.scrollTop = this.normal.scrollTop;
+ this.scrollBottom = this.normal.scrollBottom;
+ this.tabs = this.normal.tabs;
+ this.normal = null;
+ // if (params === 1049) {
+ // this.x = this.savedX;
+ // this.y = this.savedY;
+ // }
+ this.refresh(0, this.rows - 1);
+ this.showCursor();
+ }
+ break;
+ }
+ }
+};
+/**
* CSI Ps ; Ps r
* Set Scrolling Region [top;bottom] (default = full size of win-
* dow) (DECSTBM).
* CSI ? Pm r
- */Terminal.prototype.setScrollRegion=function(params){if(this.prefix)return;this.scrollTop=(params[0]||1)-1;this.scrollBottom=(params[1]||this.rows)-1;this.x=0;this.y=0;};/**
+ */
+Terminal.prototype.setScrollRegion = function (params) {
+ if (this.prefix)
+ return;
+ this.scrollTop = (params[0] || 1) - 1;
+ this.scrollBottom = (params[1] || this.rows) - 1;
+ this.x = 0;
+ this.y = 0;
+};
+/**
* CSI s
* Save cursor (ANSI.SYS).
- */Terminal.prototype.saveCursor=function(params){this.savedX=this.x;this.savedY=this.y;};/**
+ */
+Terminal.prototype.saveCursor = function (params) {
+ this.savedX = this.x;
+ this.savedY = this.y;
+};
+/**
* CSI u
* Restore cursor (ANSI.SYS).
- */Terminal.prototype.restoreCursor=function(params){this.x=this.savedX||0;this.y=this.savedY||0;};/**
+ */
+Terminal.prototype.restoreCursor = function (params) {
+ this.x = this.savedX || 0;
+ this.y = this.savedY || 0;
+};
+/**
* Lesser Used
- *//**
+ */
+/**
* CSI Ps I
* Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
- */Terminal.prototype.cursorForwardTab=function(params){var param=params[0]||1;while(param--){this.x=this.nextStop();}};/**
+ */
+Terminal.prototype.cursorForwardTab = function (params) {
+ var param = params[0] || 1;
+ while (param--) {
+ this.x = this.nextStop();
+ }
+};
+/**
* CSI Ps S Scroll up Ps lines (default = 1) (SU).
- */Terminal.prototype.scrollUp=function(params){var param=params[0]||1;while(param--){this.lines.splice(this.ybase+this.scrollTop,1);this.lines.splice(this.ybase+this.scrollBottom,0,this.blankLine());}// this.maxRange();
-this.updateRange(this.scrollTop);this.updateRange(this.scrollBottom);};/**
+ */
+Terminal.prototype.scrollUp = function (params) {
+ var param = params[0] || 1;
+ while (param--) {
+ this.lines.splice(this.ybase + this.scrollTop, 1);
+ this.lines.splice(this.ybase + this.scrollBottom, 0, this.blankLine());
+ }
+ // this.maxRange();
+ this.updateRange(this.scrollTop);
+ this.updateRange(this.scrollBottom);
+};
+/**
* CSI Ps T Scroll down Ps lines (default = 1) (SD).
- */Terminal.prototype.scrollDown=function(params){var param=params[0]||1;while(param--){this.lines.splice(this.ybase+this.scrollBottom,1);this.lines.splice(this.ybase+this.scrollTop,0,this.blankLine());}// this.maxRange();
-this.updateRange(this.scrollTop);this.updateRange(this.scrollBottom);};/**
+ */
+Terminal.prototype.scrollDown = function (params) {
+ var param = params[0] || 1;
+ while (param--) {
+ this.lines.splice(this.ybase + this.scrollBottom, 1);
+ this.lines.splice(this.ybase + this.scrollTop, 0, this.blankLine());
+ }
+ // this.maxRange();
+ this.updateRange(this.scrollTop);
+ this.updateRange(this.scrollBottom);
+};
+/**
* CSI Ps ; Ps ; Ps ; Ps ; Ps T
* Initiate highlight mouse tracking. Parameters are
* [func;startx;starty;firstrow;lastrow]. See the section Mouse
* Tracking.
- */Terminal.prototype.initMouseTracking=function(params){// Relevant: DECSET 1001
-};/**
+ */
+Terminal.prototype.initMouseTracking = function (params) {
+ // Relevant: DECSET 1001
+};
+/**
* CSI > Ps; Ps T
* Reset one or more features of the title modes to the default
* value. Normally, "reset" disables the feature. It is possi-
* Ps = 2 -> Do not set window/icon labels using UTF-8.
* Ps = 3 -> Do not query window/icon labels using UTF-8.
* (See discussion of "Title Modes").
- */Terminal.prototype.resetTitleModes=function(params){;};/**
+ */
+Terminal.prototype.resetTitleModes = function (params) {
+ ;
+};
+/**
* CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
- */Terminal.prototype.cursorBackwardTab=function(params){var param=params[0]||1;while(param--){this.x=this.prevStop();}};/**
+ */
+Terminal.prototype.cursorBackwardTab = function (params) {
+ var param = params[0] || 1;
+ while (param--) {
+ this.x = this.prevStop();
+ }
+};
+/**
* CSI Ps b Repeat the preceding graphic character Ps times (REP).
- */Terminal.prototype.repeatPrecedingCharacter=function(params){var param=params[0]||1,line=this.lines[this.ybase+this.y],ch=line[this.x-1]||[this.defAttr,' ',1];while(param--){line[this.x++]=ch;}};/**
+ */
+Terminal.prototype.repeatPrecedingCharacter = function (params) {
+ var param = params[0] || 1, line = this.lines[this.ybase + this.y], ch = line[this.x - 1] || [this.defAttr, ' ', 1];
+ while (param--)
+ line[this.x++] = ch;
+};
+/**
* CSI Ps g Tab Clear (TBC).
* Ps = 0 -> Clear Current Column (default).
* Ps = 3 -> Clear All.
* Potentially:
* Ps = 2 -> Clear Stops on Line.
* http://vt100.net/annarbor/aaa-ug/section6.html
- */Terminal.prototype.tabClear=function(params){var param=params[0];if(param<=0){delete this.tabs[this.x];}else if(param===3){this.tabs={};}};/**
+ */
+Terminal.prototype.tabClear = function (params) {
+ var param = params[0];
+ if (param <= 0) {
+ delete this.tabs[this.x];
+ }
+ else if (param === 3) {
+ this.tabs = {};
+ }
+};
+/**
* CSI Pm i Media Copy (MC).
* Ps = 0 -> Print screen (default).
* Ps = 4 -> Turn off printer controller mode.
* Ps = 5 -> Turn on autoprint mode.
* Ps = 1 0 -> Print composed display, ignores DECPEX.
* Ps = 1 1 -> Print all pages.
- */Terminal.prototype.mediaCopy=function(params){;};/**
+ */
+Terminal.prototype.mediaCopy = function (params) {
+ ;
+};
+/**
* CSI > Ps; Ps m
* Set or reset resource-values used by xterm to decide whether
* to construct escape sequences holding information about the
* Ps = 4 -> modifyOtherKeys.
* If no parameters are given, all resources are reset to their
* initial values.
- */Terminal.prototype.setResources=function(params){;};/**
+ */
+Terminal.prototype.setResources = function (params) {
+ ;
+};
+/**
* CSI > Ps n
* Disable modifiers which may be enabled via the CSI > Ps; Ps m
* sequence. This corresponds to a resource value of "-1", which
* keys to make an extended sequence of functions rather than
* adding a parameter to each function key to denote the modi-
* fiers.
- */Terminal.prototype.disableModifiers=function(params){;};/**
+ */
+Terminal.prototype.disableModifiers = function (params) {
+ ;
+};
+/**
* CSI > Ps p
* Set resource value pointerMode. This is used by xterm to
* decide whether to hide the pointer cursor as the user types.
* Ps = 1 -> hide if the mouse tracking mode is not enabled.
* Ps = 2 -> always hide the pointer. If no parameter is
* given, xterm uses the default, which is 1 .
- */Terminal.prototype.setPointerMode=function(params){;};/**
+ */
+Terminal.prototype.setPointerMode = function (params) {
+ ;
+};
+/**
* CSI ! p Soft terminal reset (DECSTR).
* http://vt100.net/docs/vt220-rm/table4-10.html
- */Terminal.prototype.softReset=function(params){this.cursorHidden=false;this.insertMode=false;this.originMode=false;this.wraparoundMode=false;// autowrap
-this.applicationKeypad=false;// ?
-this.viewport.syncScrollArea();this.applicationCursor=false;this.scrollTop=0;this.scrollBottom=this.rows-1;this.curAttr=this.defAttr;this.x=this.y=0;// ?
-this.charset=null;this.glevel=0;// ??
-this.charsets=[null];// ??
-};/**
+ */
+Terminal.prototype.softReset = function (params) {
+ this.cursorHidden = false;
+ this.insertMode = false;
+ this.originMode = false;
+ this.wraparoundMode = false; // autowrap
+ this.applicationKeypad = false; // ?
+ this.viewport.syncScrollArea();
+ this.applicationCursor = false;
+ this.scrollTop = 0;
+ this.scrollBottom = this.rows - 1;
+ this.curAttr = this.defAttr;
+ this.x = this.y = 0; // ?
+ this.charset = null;
+ this.glevel = 0; // ??
+ this.charsets = [null]; // ??
+};
+/**
* CSI Ps$ p
* Request ANSI mode (DECRQM). For VT300 and up, reply is
* CSI Ps; Pm$ y
* 2 - reset
* 3 - permanently set
* 4 - permanently reset
- */Terminal.prototype.requestAnsiMode=function(params){;};/**
+ */
+Terminal.prototype.requestAnsiMode = function (params) {
+ ;
+};
+/**
* CSI ? Ps$ p
* Request DEC private mode (DECRQM). For VT300 and up, reply is
* CSI ? Ps; Pm$ p
* where Ps is the mode number as in DECSET, Pm is the mode value
* as in the ANSI DECRQM.
- */Terminal.prototype.requestPrivateMode=function(params){;};/**
+ */
+Terminal.prototype.requestPrivateMode = function (params) {
+ ;
+};
+/**
* CSI Ps ; Ps " p
* Set conformance level (DECSCL). Valid values for the first
* parameter:
* Ps = 0 -> 8-bit controls.
* Ps = 1 -> 7-bit controls (always set for VT100).
* Ps = 2 -> 8-bit controls.
- */Terminal.prototype.setConformanceLevel=function(params){;};/**
+ */
+Terminal.prototype.setConformanceLevel = function (params) {
+ ;
+};
+/**
* CSI Ps q Load LEDs (DECLL).
* Ps = 0 -> Clear all LEDS (default).
* Ps = 1 -> Light Num Lock.
* Ps = 2 1 -> Extinguish Num Lock.
* Ps = 2 2 -> Extinguish Caps Lock.
* Ps = 2 3 -> Extinguish Scroll Lock.
- */Terminal.prototype.loadLEDs=function(params){;};/**
+ */
+Terminal.prototype.loadLEDs = function (params) {
+ ;
+};
+/**
* CSI Ps SP q
* Set cursor style (DECSCUSR, VT520).
* Ps = 0 -> blinking block.
* Ps = 2 -> steady block.
* Ps = 3 -> blinking underline.
* Ps = 4 -> steady underline.
- */Terminal.prototype.setCursorStyle=function(params){;};/**
+ */
+Terminal.prototype.setCursorStyle = function (params) {
+ ;
+};
+/**
* CSI Ps " q
* Select character protection attribute (DECSCA). Valid values
* for the parameter:
* Ps = 0 -> DECSED and DECSEL can erase (default).
* Ps = 1 -> DECSED and DECSEL cannot erase.
* Ps = 2 -> DECSED and DECSEL can erase.
- */Terminal.prototype.setCharProtectionAttr=function(params){;};/**
+ */
+Terminal.prototype.setCharProtectionAttr = function (params) {
+ ;
+};
+/**
* CSI ? Pm r
* Restore DEC Private Mode Values. The value of Ps previously
* saved is restored. Ps values are the same as for DECSET.
- */Terminal.prototype.restorePrivateValues=function(params){;};/**
+ */
+Terminal.prototype.restorePrivateValues = function (params) {
+ ;
+};
+/**
* CSI Pt; Pl; Pb; Pr; Ps$ r
* Change Attributes in Rectangular Area (DECCARA), VT400 and up.
* Pt; Pl; Pb; Pr denotes the rectangle.
* Ps denotes the SGR attributes to change: 0, 1, 4, 5, 7.
* NOTE: xterm doesn't enable this code by default.
- */Terminal.prototype.setAttrInRectangle=function(params){var t=params[0],l=params[1],b=params[2],r=params[3],attr=params[4];var line,i;for(;t<b+1;t++){line=this.lines[this.ybase+t];for(i=l;i<r;i++){line[i]=[attr,line[i][1]];}}// this.maxRange();
-this.updateRange(params[0]);this.updateRange(params[2]);};/**
+ */
+Terminal.prototype.setAttrInRectangle = function (params) {
+ var t = params[0], l = params[1], b = params[2], r = params[3], attr = params[4];
+ var line, i;
+ for (; t < b + 1; t++) {
+ line = this.lines[this.ybase + t];
+ for (i = l; i < r; i++) {
+ line[i] = [attr, line[i][1]];
+ }
+ }
+ // this.maxRange();
+ this.updateRange(params[0]);
+ this.updateRange(params[2]);
+};
+/**
* CSI Pc; Pt; Pl; Pb; Pr$ x
* Fill Rectangular Area (DECFRA), VT420 and up.
* Pc is the character to use.
* Pt; Pl; Pb; Pr denotes the rectangle.
* NOTE: xterm doesn't enable this code by default.
- */Terminal.prototype.fillRectangle=function(params){var ch=params[0],t=params[1],l=params[2],b=params[3],r=params[4];var line,i;for(;t<b+1;t++){line=this.lines[this.ybase+t];for(i=l;i<r;i++){line[i]=[line[i][0],String.fromCharCode(ch)];}}// this.maxRange();
-this.updateRange(params[1]);this.updateRange(params[3]);};/**
+ */
+Terminal.prototype.fillRectangle = function (params) {
+ var ch = params[0], t = params[1], l = params[2], b = params[3], r = params[4];
+ var line, i;
+ for (; t < b + 1; t++) {
+ line = this.lines[this.ybase + t];
+ for (i = l; i < r; i++) {
+ line[i] = [line[i][0], String.fromCharCode(ch)];
+ }
+ }
+ // this.maxRange();
+ this.updateRange(params[1]);
+ this.updateRange(params[3]);
+};
+/**
* CSI Ps ; Pu ' z
* Enable Locator Reporting (DECELR).
* Valid values for the first parameter:
* Pu = 0 <- or omitted -> default to character cells.
* Pu = 1 <- device physical pixels.
* Pu = 2 <- character cells.
- */Terminal.prototype.enableLocatorReporting=function(params){var val=params[0]>0;//this.mouseEvents = val;
-//this.decLocator = val;
-};/**
+ */
+Terminal.prototype.enableLocatorReporting = function (params) {
+ var val = params[0] > 0;
+ //this.mouseEvents = val;
+ //this.decLocator = val;
+};
+/**
* CSI Pt; Pl; Pb; Pr$ z
* Erase Rectangular Area (DECERA), VT400 and up.
* Pt; Pl; Pb; Pr denotes the rectangle.
* NOTE: xterm doesn't enable this code by default.
- */Terminal.prototype.eraseRectangle=function(params){var t=params[0],l=params[1],b=params[2],r=params[3];var line,i,ch;ch=[this.eraseAttr(),' ',1];// xterm?
-for(;t<b+1;t++){line=this.lines[this.ybase+t];for(i=l;i<r;i++){line[i]=ch;}}// this.maxRange();
-this.updateRange(params[0]);this.updateRange(params[2]);};/**
+ */
+Terminal.prototype.eraseRectangle = function (params) {
+ var t = params[0], l = params[1], b = params[2], r = params[3];
+ var line, i, ch;
+ ch = [this.eraseAttr(), ' ', 1]; // xterm?
+ for (; t < b + 1; t++) {
+ line = this.lines[this.ybase + t];
+ for (i = l; i < r; i++) {
+ line[i] = ch;
+ }
+ }
+ // this.maxRange();
+ this.updateRange(params[0]);
+ this.updateRange(params[2]);
+};
+/**
* CSI P m SP }
* Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
* NOTE: xterm doesn't enable this code by default.
- */Terminal.prototype.insertColumns=function(){var param=params[0],l=this.ybase+this.rows,ch=[this.eraseAttr(),' ',1]// xterm?
-,i;while(param--){for(i=this.ybase;i<l;i++){this.lines[i].splice(this.x+1,0,ch);this.lines[i].pop();}}this.maxRange();};/**
+ */
+Terminal.prototype.insertColumns = function () {
+ var param = params[0], l = this.ybase + this.rows, ch = [this.eraseAttr(), ' ', 1] // xterm?
+ , i;
+ while (param--) {
+ for (i = this.ybase; i < l; i++) {
+ this.lines[i].splice(this.x + 1, 0, ch);
+ this.lines[i].pop();
+ }
+ }
+ this.maxRange();
+};
+/**
* CSI P m SP ~
* Delete P s Column(s) (default = 1) (DECDC), VT420 and up
* NOTE: xterm doesn't enable this code by default.
- */Terminal.prototype.deleteColumns=function(){var param=params[0],l=this.ybase+this.rows,ch=[this.eraseAttr(),' ',1]// xterm?
-,i;while(param--){for(i=this.ybase;i<l;i++){this.lines[i].splice(this.x,1);this.lines[i].push(ch);}}this.maxRange();};/**
+ */
+Terminal.prototype.deleteColumns = function () {
+ var param = params[0], l = this.ybase + this.rows, ch = [this.eraseAttr(), ' ', 1] // xterm?
+ , i;
+ while (param--) {
+ for (i = this.ybase; i < l; i++) {
+ this.lines[i].splice(this.x, 1);
+ this.lines[i].push(ch);
+ }
+ }
+ this.maxRange();
+};
+/**
* Character Sets
- */Terminal.charsets={};// DEC Special Character and Line Drawing Set.
+ */
+Terminal.charsets = {};
+// DEC Special Character and Line Drawing Set.
// http://vt100.net/docs/vt102-ug/table5-13.html
// A lot of curses apps use this if they see TERM=xterm.
// testing: echo -e '\e(0a\e(B'
// reference above. xterm seems in line with the reference
// when running vttest however.
// The table below now uses xterm's output from vttest.
-Terminal.charsets.SCLD={// (0
-'`':'\u25C6',// '◆'
-'a':'\u2592',// '▒'
-'b':'\t',// '\t'
-'c':'\f',// '\f'
-'d':'\r',// '\r'
-'e':'\n',// '\n'
-'f':'\xB0',// '°'
-'g':'\xB1',// '±'
-'h':'\u2424',// '\u2424' (NL)
-'i':'\x0B',// '\v'
-'j':'\u2518',// '┘'
-'k':'\u2510',// '┐'
-'l':'\u250C',// '┌'
-'m':'\u2514',// '└'
-'n':'\u253C',// '┼'
-'o':'\u23BA',// '⎺'
-'p':'\u23BB',// '⎻'
-'q':'\u2500',// '─'
-'r':'\u23BC',// '⎼'
-'s':'\u23BD',// '⎽'
-'t':'\u251C',// '├'
-'u':'\u2524',// '┤'
-'v':'\u2534',// '┴'
-'w':'\u252C',// '┬'
-'x':'\u2502',// '│'
-'y':'\u2264',// '≤'
-'z':'\u2265',// '≥'
-'{':'\u03C0',// 'π'
-'|':'\u2260',// '≠'
-'}':'\xA3',// '£'
-'~':'\xB7'// '·'
-};Terminal.charsets.UK=null;// (A
-Terminal.charsets.US=null;// (B (USASCII)
-Terminal.charsets.Dutch=null;// (4
-Terminal.charsets.Finnish=null;// (C or (5
-Terminal.charsets.French=null;// (R
-Terminal.charsets.FrenchCanadian=null;// (Q
-Terminal.charsets.German=null;// (K
-Terminal.charsets.Italian=null;// (Y
-Terminal.charsets.NorwegianDanish=null;// (E or (6
-Terminal.charsets.Spanish=null;// (Z
-Terminal.charsets.Swedish=null;// (H or (7
-Terminal.charsets.Swiss=null;// (=
-Terminal.charsets.ISOLatin=null;// /A
+Terminal.charsets.SCLD = {
+ '`': '\u25c6',
+ 'a': '\u2592',
+ 'b': '\u0009',
+ 'c': '\u000c',
+ 'd': '\u000d',
+ 'e': '\u000a',
+ 'f': '\u00b0',
+ 'g': '\u00b1',
+ 'h': '\u2424',
+ 'i': '\u000b',
+ 'j': '\u2518',
+ 'k': '\u2510',
+ 'l': '\u250c',
+ 'm': '\u2514',
+ 'n': '\u253c',
+ 'o': '\u23ba',
+ 'p': '\u23bb',
+ 'q': '\u2500',
+ 'r': '\u23bc',
+ 's': '\u23bd',
+ 't': '\u251c',
+ 'u': '\u2524',
+ 'v': '\u2534',
+ 'w': '\u252c',
+ 'x': '\u2502',
+ 'y': '\u2264',
+ 'z': '\u2265',
+ '{': '\u03c0',
+ '|': '\u2260',
+ '}': '\u00a3',
+ '~': '\u00b7' // '·'
+};
+Terminal.charsets.UK = null; // (A
+Terminal.charsets.US = null; // (B (USASCII)
+Terminal.charsets.Dutch = null; // (4
+Terminal.charsets.Finnish = null; // (C or (5
+Terminal.charsets.French = null; // (R
+Terminal.charsets.FrenchCanadian = null; // (Q
+Terminal.charsets.German = null; // (K
+Terminal.charsets.Italian = null; // (Y
+Terminal.charsets.NorwegianDanish = null; // (E or (6
+Terminal.charsets.Spanish = null; // (Z
+Terminal.charsets.Swedish = null; // (H or (7
+Terminal.charsets.Swiss = null; // (=
+Terminal.charsets.ISOLatin = null; // /A
/**
* Helpers
- */function on(el,type,handler,capture){if(!Array.isArray(el)){el=[el];}el.forEach(function(element){element.addEventListener(type,handler,capture||false);});}function off(el,type,handler,capture){el.removeEventListener(type,handler,capture||false);}function cancel(ev,force){if(!this.cancelEvents&&!force){return;}ev.preventDefault();ev.stopPropagation();return false;}function inherits(child,parent){function f(){this.constructor=child;}f.prototype=parent.prototype;child.prototype=new f();}// if bold is broken, we can't
+ */
+function on(el, type, handler, capture) {
+ if (!Array.isArray(el)) {
+ el = [el];
+ }
+ el.forEach(function (element) {
+ element.addEventListener(type, handler, capture || false);
+ });
+}
+function off(el, type, handler, capture) {
+ el.removeEventListener(type, handler, capture || false);
+}
+function cancel(ev, force) {
+ if (!this.cancelEvents && !force) {
+ return;
+ }
+ ev.preventDefault();
+ ev.stopPropagation();
+ return false;
+}
+function inherits(child, parent) {
+ function f() {
+ this.constructor = child;
+ }
+ f.prototype = parent.prototype;
+ child.prototype = new f;
+}
+// if bold is broken, we can't
// use it in the terminal.
-function isBoldBroken(document){var body=document.getElementsByTagName('body')[0];var el=document.createElement('span');el.innerHTML='hello world';body.appendChild(el);var w1=el.scrollWidth;el.style.fontWeight='bold';var w2=el.scrollWidth;body.removeChild(el);return w1!==w2;}function indexOf(obj,el){var i=obj.length;while(i--){if(obj[i]===el)return i;}return-1;}function isThirdLevelShift(term,ev){var thirdLevelKey=term.browser.isMac&&ev.altKey&&!ev.ctrlKey&&!ev.metaKey||term.browser.isMSWindows&&ev.altKey&&ev.ctrlKey&&!ev.metaKey;if(ev.type=='keypress'){return thirdLevelKey;}// Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)
-return thirdLevelKey&&(!ev.keyCode||ev.keyCode>47);}function matchColor(r1,g1,b1){var hash=r1<<16|g1<<8|b1;if(matchColor._cache[hash]!=null){return matchColor._cache[hash];}var ldiff=Infinity,li=-1,i=0,c,r2,g2,b2,diff;for(;i<Terminal.vcolors.length;i++){c=Terminal.vcolors[i];r2=c[0];g2=c[1];b2=c[2];diff=matchColor.distance(r1,g1,b1,r2,g2,b2);if(diff===0){li=i;break;}if(diff<ldiff){ldiff=diff;li=i;}}return matchColor._cache[hash]=li;}matchColor._cache={};// http://stackoverflow.com/questions/1633828
-matchColor.distance=function(r1,g1,b1,r2,g2,b2){return Math.pow(30*(r1-r2),2)+Math.pow(59*(g1-g2),2)+Math.pow(11*(b1-b2),2);};function each(obj,iter,con){if(obj.forEach)return obj.forEach(iter,con);for(var i=0;i<obj.length;i++){iter.call(con,obj[i],i,obj);}}function keys(obj){if(Object.keys)return Object.keys(obj);var key,keys=[];for(key in obj){if(Object.prototype.hasOwnProperty.call(obj,key)){keys.push(key);}}return keys;}var wcwidth=function(opts){// extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
-// combining characters
-var COMBINING=[[0x0300,0x036F],[0x0483,0x0486],[0x0488,0x0489],[0x0591,0x05BD],[0x05BF,0x05BF],[0x05C1,0x05C2],[0x05C4,0x05C5],[0x05C7,0x05C7],[0x0600,0x0603],[0x0610,0x0615],[0x064B,0x065E],[0x0670,0x0670],[0x06D6,0x06E4],[0x06E7,0x06E8],[0x06EA,0x06ED],[0x070F,0x070F],[0x0711,0x0711],[0x0730,0x074A],[0x07A6,0x07B0],[0x07EB,0x07F3],[0x0901,0x0902],[0x093C,0x093C],[0x0941,0x0948],[0x094D,0x094D],[0x0951,0x0954],[0x0962,0x0963],[0x0981,0x0981],[0x09BC,0x09BC],[0x09C1,0x09C4],[0x09CD,0x09CD],[0x09E2,0x09E3],[0x0A01,0x0A02],[0x0A3C,0x0A3C],[0x0A41,0x0A42],[0x0A47,0x0A48],[0x0A4B,0x0A4D],[0x0A70,0x0A71],[0x0A81,0x0A82],[0x0ABC,0x0ABC],[0x0AC1,0x0AC5],[0x0AC7,0x0AC8],[0x0ACD,0x0ACD],[0x0AE2,0x0AE3],[0x0B01,0x0B01],[0x0B3C,0x0B3C],[0x0B3F,0x0B3F],[0x0B41,0x0B43],[0x0B4D,0x0B4D],[0x0B56,0x0B56],[0x0B82,0x0B82],[0x0BC0,0x0BC0],[0x0BCD,0x0BCD],[0x0C3E,0x0C40],[0x0C46,0x0C48],[0x0C4A,0x0C4D],[0x0C55,0x0C56],[0x0CBC,0x0CBC],[0x0CBF,0x0CBF],[0x0CC6,0x0CC6],[0x0CCC,0x0CCD],[0x0CE2,0x0CE3],[0x0D41,0x0D43],[0x0D4D,0x0D4D],[0x0DCA,0x0DCA],[0x0DD2,0x0DD4],[0x0DD6,0x0DD6],[0x0E31,0x0E31],[0x0E34,0x0E3A],[0x0E47,0x0E4E],[0x0EB1,0x0EB1],[0x0EB4,0x0EB9],[0x0EBB,0x0EBC],[0x0EC8,0x0ECD],[0x0F18,0x0F19],[0x0F35,0x0F35],[0x0F37,0x0F37],[0x0F39,0x0F39],[0x0F71,0x0F7E],[0x0F80,0x0F84],[0x0F86,0x0F87],[0x0F90,0x0F97],[0x0F99,0x0FBC],[0x0FC6,0x0FC6],[0x102D,0x1030],[0x1032,0x1032],[0x1036,0x1037],[0x1039,0x1039],[0x1058,0x1059],[0x1160,0x11FF],[0x135F,0x135F],[0x1712,0x1714],[0x1732,0x1734],[0x1752,0x1753],[0x1772,0x1773],[0x17B4,0x17B5],[0x17B7,0x17BD],[0x17C6,0x17C6],[0x17C9,0x17D3],[0x17DD,0x17DD],[0x180B,0x180D],[0x18A9,0x18A9],[0x1920,0x1922],[0x1927,0x1928],[0x1932,0x1932],[0x1939,0x193B],[0x1A17,0x1A18],[0x1B00,0x1B03],[0x1B34,0x1B34],[0x1B36,0x1B3A],[0x1B3C,0x1B3C],[0x1B42,0x1B42],[0x1B6B,0x1B73],[0x1DC0,0x1DCA],[0x1DFE,0x1DFF],[0x200B,0x200F],[0x202A,0x202E],[0x2060,0x2063],[0x206A,0x206F],[0x20D0,0x20EF],[0x302A,0x302F],[0x3099,0x309A],[0xA806,0xA806],[0xA80B,0xA80B],[0xA825,0xA826],[0xFB1E,0xFB1E],[0xFE00,0xFE0F],[0xFE20,0xFE23],[0xFEFF,0xFEFF],[0xFFF9,0xFFFB],[0x10A01,0x10A03],[0x10A05,0x10A06],[0x10A0C,0x10A0F],[0x10A38,0x10A3A],[0x10A3F,0x10A3F],[0x1D167,0x1D169],[0x1D173,0x1D182],[0x1D185,0x1D18B],[0x1D1AA,0x1D1AD],[0x1D242,0x1D244],[0xE0001,0xE0001],[0xE0020,0xE007F],[0xE0100,0xE01EF]];// binary search
-function bisearch(ucs){var min=0;var max=COMBINING.length-1;var mid;if(ucs<COMBINING[0][0]||ucs>COMBINING[max][1])return false;while(max>=min){mid=Math.floor((min+max)/2);if(ucs>COMBINING[mid][1])min=mid+1;else if(ucs<COMBINING[mid][0])max=mid-1;else return true;}return false;}function wcwidth(ucs){// test for 8-bit control characters
-if(ucs===0)return opts.nul;if(ucs<32||ucs>=0x7f&&ucs<0xa0)return opts.control;// binary search in table of non-spacing characters
-if(bisearch(ucs))return 0;// if we arrive here, ucs is not a combining or C0/C1 control character
-return 1+(ucs>=0x1100&&(ucs<=0x115f||// Hangul Jamo init. consonants
-ucs==0x2329||ucs==0x232a||ucs>=0x2e80&&ucs<=0xa4cf&&ucs!=0x303f||// CJK..Yi
-ucs>=0xac00&&ucs<=0xd7a3||// Hangul Syllables
-ucs>=0xf900&&ucs<=0xfaff||// CJK Compat Ideographs
-ucs>=0xfe10&&ucs<=0xfe19||// Vertical forms
-ucs>=0xfe30&&ucs<=0xfe6f||// CJK Compat Forms
-ucs>=0xff00&&ucs<=0xff60||// Fullwidth Forms
-ucs>=0xffe0&&ucs<=0xffe6||ucs>=0x20000&&ucs<=0x2fffd||ucs>=0x30000&&ucs<=0x3fffd));}return wcwidth;}({nul:0,control:0});// configurable options
+function isBoldBroken(document) {
+ var body = document.getElementsByTagName('body')[0];
+ var el = document.createElement('span');
+ el.innerHTML = 'hello world';
+ body.appendChild(el);
+ var w1 = el.scrollWidth;
+ el.style.fontWeight = 'bold';
+ var w2 = el.scrollWidth;
+ body.removeChild(el);
+ return w1 !== w2;
+}
+function indexOf(obj, el) {
+ var i = obj.length;
+ while (i--) {
+ if (obj[i] === el)
+ return i;
+ }
+ return -1;
+}
+function isThirdLevelShift(term, ev) {
+ var thirdLevelKey = (term.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||
+ (term.browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);
+ if (ev.type == 'keypress') {
+ return thirdLevelKey;
+ }
+ // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)
+ return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);
+}
+function matchColor(r1, g1, b1) {
+ var hash = (r1 << 16) | (g1 << 8) | b1;
+ if (matchColor._cache[hash] != null) {
+ return matchColor._cache[hash];
+ }
+ var ldiff = Infinity, li = -1, i = 0, c, r2, g2, b2, diff;
+ for (; i < Terminal.vcolors.length; i++) {
+ c = Terminal.vcolors[i];
+ r2 = c[0];
+ g2 = c[1];
+ b2 = c[2];
+ diff = matchColor.distance(r1, g1, b1, r2, g2, b2);
+ if (diff === 0) {
+ li = i;
+ break;
+ }
+ if (diff < ldiff) {
+ ldiff = diff;
+ li = i;
+ }
+ }
+ return matchColor._cache[hash] = li;
+}
+matchColor._cache = {};
+// http://stackoverflow.com/questions/1633828
+matchColor.distance = function (r1, g1, b1, r2, g2, b2) {
+ return Math.pow(30 * (r1 - r2), 2)
+ + Math.pow(59 * (g1 - g2), 2)
+ + Math.pow(11 * (b1 - b2), 2);
+};
+function each(obj, iter, con) {
+ if (obj.forEach)
+ return obj.forEach(iter, con);
+ for (var i = 0; i < obj.length; i++) {
+ iter.call(con, obj[i], i, obj);
+ }
+}
+function keys(obj) {
+ if (Object.keys)
+ return Object.keys(obj);
+ var key, keys = [];
+ for (key in obj) {
+ if (Object.prototype.hasOwnProperty.call(obj, key)) {
+ keys.push(key);
+ }
+ }
+ return keys;
+}
+var wcwidth = (function (opts) {
+ // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
+ // combining characters
+ var COMBINING = [
+ [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
+ [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
+ [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
+ [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
+ [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
+ [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
+ [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
+ [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
+ [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
+ [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
+ [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
+ [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
+ [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
+ [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
+ [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
+ [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
+ [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
+ [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
+ [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
+ [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
+ [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
+ [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
+ [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
+ [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
+ [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
+ [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
+ [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
+ [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
+ [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
+ [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
+ [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
+ [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
+ [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
+ [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
+ [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
+ [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
+ [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
+ [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
+ [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
+ [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
+ [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
+ [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
+ [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],
+ [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
+ [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
+ [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
+ [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
+ [0xE0100, 0xE01EF]
+ ];
+ // binary search
+ function bisearch(ucs) {
+ var min = 0;
+ var max = COMBINING.length - 1;
+ var mid;
+ if (ucs < COMBINING[0][0] || ucs > COMBINING[max][1])
+ return false;
+ while (max >= min) {
+ mid = Math.floor((min + max) / 2);
+ if (ucs > COMBINING[mid][1])
+ min = mid + 1;
+ else if (ucs < COMBINING[mid][0])
+ max = mid - 1;
+ else
+ return true;
+ }
+ return false;
+ }
+ function wcwidth(ucs) {
+ // test for 8-bit control characters
+ if (ucs === 0)
+ return opts.nul;
+ if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))
+ return opts.control;
+ // binary search in table of non-spacing characters
+ if (bisearch(ucs))
+ return 0;
+ // if we arrive here, ucs is not a combining or C0/C1 control character
+ return 1 +
+ (ucs >= 0x1100 &&
+ (ucs <= 0x115f ||
+ ucs == 0x2329 ||
+ ucs == 0x232a ||
+ (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs != 0x303f) ||
+ (ucs >= 0xac00 && ucs <= 0xd7a3) ||
+ (ucs >= 0xf900 && ucs <= 0xfaff) ||
+ (ucs >= 0xfe10 && ucs <= 0xfe19) ||
+ (ucs >= 0xfe30 && ucs <= 0xfe6f) ||
+ (ucs >= 0xff00 && ucs <= 0xff60) ||
+ (ucs >= 0xffe0 && ucs <= 0xffe6) ||
+ (ucs >= 0x20000 && ucs <= 0x2fffd) ||
+ (ucs >= 0x30000 && ucs <= 0x3fffd)));
+ }
+ return wcwidth;
+})({ nul: 0, control: 0 }); // configurable options
/**
* Expose
- */Terminal.EventEmitter=_EventEmitter.EventEmitter;Terminal.CompositionHelper=_CompositionHelper.CompositionHelper;Terminal.Viewport=_Viewport.Viewport;Terminal.inherits=inherits;/**
+ */
+Terminal.EventEmitter = EventEmitter_js_1.EventEmitter;
+Terminal.inherits = inherits;
+/**
* Adds an event listener to the terminal.
*
* @param {string} event The name of the event. TODO: Document all event types
* @param {function} callback The function to call when the event is triggered.
- */Terminal.on=on;Terminal.off=off;Terminal.cancel=cancel;module.exports=Terminal;
+ */
+Terminal.on = on;
+Terminal.off = off;
+Terminal.cancel = cancel;
+module.exports = Terminal;
},{"./CompositionHelper.js":1,"./EventEmitter.js":2,"./Viewport.js":3,"./handlers/Clipboard.js":4,"./utils/Browser":5}]},{},[7])(7)
});
-{
- "version": 3,
- "sources": [
- "node_modules/browser-pack/_prelude.js",
- "src/CompositionHelper.js",
- "src/EventEmitter.js",
- "src/Viewport.js",
- "src/handlers/Clipboard.js",
- "src/utils/Browser.js",
- "src/utils/Generic.js",
- "src/xterm.js"
- ],
- "names": [],
- "mappings": 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- "(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})",
- "/**\n * xterm.js: xterm, in the browser\n * Copyright (c) 2014-2016, SourceLair Private Company (www.sourcelair.com (MIT License)\n */\n\n/**\n * Encapsulates the logic for handling compositionstart, compositionupdate and compositionend\n * events, displaying the in-progress composition to the UI and forwarding the final composition\n * to the handler.\n * @param {HTMLTextAreaElement} textarea The textarea that xterm uses for input.\n * @param {HTMLElement} compositionView The element to display the in-progress composition in.\n * @param {Terminal} terminal The Terminal to forward the finished composition to.\n */\nfunction CompositionHelper(textarea, compositionView, terminal) {\n this.textarea = textarea;\n this.compositionView = compositionView;\n this.terminal = terminal;\n\n // Whether input composition is currently happening, eg. via a mobile keyboard, speech input\n // or IME. This variable determines whether the compositionText should be displayed on the UI.\n this.isComposing = false;\n\n // The input currently being composed, eg. via a mobile keyboard, speech input or IME.\n this.compositionText = null;\n\n // The position within the input textarea's value of the current composition.\n this.compositionPosition = { start: null, end: null };\n\n // Whether a composition is in the process of being sent, setting this to false will cancel\n // any in-progress composition.\n this.isSendingComposition = false;\n}\n\n/**\n * Handles the compositionstart event, activating the composition view.\n */\nCompositionHelper.prototype.compositionstart = function() {\n this.isComposing = true;\n this.compositionPosition.start = this.textarea.value.length;\n this.compositionView.textContent = '';\n this.compositionView.classList.add('active');\n};\n\n/**\n * Handles the compositionupdate event, updating the composition view.\n * @param {CompositionEvent} ev The event.\n */\nCompositionHelper.prototype.compositionupdate = function(ev) {\n this.compositionView.textContent = ev.data;\n this.updateCompositionElements();\n var self = this;\n setTimeout(function() {\n self.compositionPosition.end = self.textarea.value.length;\n }, 0);\n};\n\n/**\n * Handles the compositionend event, hiding the composition view and sending the composition to\n * the handler.\n */\nCompositionHelper.prototype.compositionend = function() {\n this.finalizeComposition(true);\n};\n\n/**\n * Handles the keydown event, routing any necessary events to the CompositionHelper functions.\n * @return Whether the Terminal should continue processing the keydown event.\n */\nCompositionHelper.prototype.keydown = function(ev) {\n if (this.isComposing || this.isSendingComposition) {\n if (ev.keyCode === 229) {\n // Continue composing if the keyCode is the \"composition character\"\n return false;\n } else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {\n // Continue composing if the keyCode is a modifier key\n return false;\n } else {\n // Finish composition immediately. This is mainly here for the case where enter is\n // pressed and the handler needs to be triggered before the command is executed.\n this.finalizeComposition(false);\n }\n }\n\n if (ev.keyCode === 229) {\n // If the \"composition character\" is used but gets to this point it means a non-composition\n // character (eg. numbers and punctuation) was pressed when the IME was active.\n this.handleAnyTextareaChanges();\n return false;\n }\n\n return true;\n};\n\n/**\n * Finalizes the composition, resuming regular input actions. This is called when a composition\n * is ending.\n * @param {boolean} waitForPropogation Whether to wait for events to propogate before sending\n * the input. This should be false if a non-composition keystroke is entered before the\n * compositionend event is triggered, such as enter, so that the composition is send before\n * the command is executed.\n */\nCompositionHelper.prototype.finalizeComposition = function(waitForPropogation) {\n this.compositionView.classList.remove('active');\n this.isComposing = false;\n this.clearTextareaPosition();\n\n if (!waitForPropogation) {\n // Cancel any delayed composition send requests and send the input immediately.\n this.isSendingComposition = false;\n var input = this.textarea.value.substring(this.compositionPosition.start, this.compositionPosition.end);\n this.terminal.handler(input);\n } else {\n // Make a deep copy of the composition position here as a new compositionstart event may\n // fire before the setTimeout executes.\n var currentCompositionPosition = {\n start: this.compositionPosition.start,\n end: this.compositionPosition.end,\n }\n\n // Since composition* events happen before the changes take place in the textarea on most\n // browsers, use a setTimeout with 0ms time to allow the native compositionend event to\n // complete. This ensures the correct character is retrieved, this solution was used\n // because:\n // - The compositionend event's data property is unreliable, at least on Chromium\n // - The last compositionupdate event's data property does not always accurately describe\n // the character, a counter example being Korean where an ending consonsant can move to\n // the following character if the following input is a vowel.\n var self = this;\n this.isSendingComposition = true;\n setTimeout(function () {\n // Ensure that the input has not already been sent\n if (self.isSendingComposition) {\n self.isSendingComposition = false;\n var input;\n if (self.isComposing) {\n // Use the end position to get the string if a new composition has started.\n input = self.textarea.value.substring(currentCompositionPosition.start, currentCompositionPosition.end);\n } else {\n // Don't use the end position here in order to pick up any characters after the\n // composition has finished, for example when typing a non-composition character\n // (eg. 2) after a composition character.\n input = self.textarea.value.substring(currentCompositionPosition.start);\n }\n self.terminal.handler(input);\n }\n }, 0);\n }\n};\n\n/**\n * Apply any changes made to the textarea after the current event chain is allowed to complete.\n * This should be called when not currently composing but a keydown event with the \"composition\n * character\" (229) is triggered, in order to allow non-composition text to be entered when an\n * IME is active.\n */\nCompositionHelper.prototype.handleAnyTextareaChanges = function() {\n var oldValue = this.textarea.value;\n var self = this;\n setTimeout(function() {\n // Ignore if a composition has started since the timeout\n if (!self.isComposing) {\n var newValue = self.textarea.value;\n var diff = newValue.replace(oldValue, '');\n if (diff.length > 0) {\n self.terminal.handler(diff);\n }\n }\n }, 0);\n};\n\n/**\n * Positions the composition view on top of the cursor and the textarea just below it (so the\n * IME helper dialog is positioned correctly).\n */\nCompositionHelper.prototype.updateCompositionElements = function(dontRecurse) {\n if (!this.isComposing) {\n return;\n }\n var cursor = this.terminal.element.querySelector('.terminal-cursor');\n if (cursor) {\n // Take .xterm-rows offsetTop into account as well in case it's positioned absolutely within\n // the .xterm element.\n var xtermRows = this.terminal.element.querySelector('.xterm-rows');\n var cursorTop = xtermRows.offsetTop + cursor.offsetTop;\n\n this.compositionView.style.left = cursor.offsetLeft + 'px';\n this.compositionView.style.top = cursorTop + 'px';\n this.compositionView.style.height = cursor.offsetHeight + 'px';\n this.compositionView.style.lineHeight = cursor.offsetHeight + 'px';\n // Sync the textarea to the exact position of the composition view so the IME knows where the\n // text is.\n var compositionViewBounds = this.compositionView.getBoundingClientRect();\n this.textarea.style.left = cursor.offsetLeft + 'px';\n this.textarea.style.top = cursorTop + 'px';\n this.textarea.style.width = compositionViewBounds.width + 'px';\n this.textarea.style.height = compositionViewBounds.height + 'px';\n this.textarea.style.lineHeight = compositionViewBounds.height + 'px';\n }\n if (!dontRecurse) {\n setTimeout(this.updateCompositionElements.bind(this, true), 0);\n }\n};\n\n/**\n * Clears the textarea's position so that the cursor does not blink on IE.\n * @private\n */\nCompositionHelper.prototype.clearTextareaPosition = function() {\n this.textarea.style.left = '';\n this.textarea.style.top = '';\n};\n\nexport { CompositionHelper };\n",
- "/**\n * xterm.js: xterm, in the browser\n * Copyright (c) 2014-2016, SourceLair Private Company (www.sourcelair.com (MIT License)\n */\n\nfunction EventEmitter() {\n this._events = this._events || {};\n}\n\nEventEmitter.prototype.addListener = function(type, listener) {\n this._events[type] = this._events[type] || [];\n this._events[type].push(listener);\n};\n\nEventEmitter.prototype.on = EventEmitter.prototype.addListener;\n\nEventEmitter.prototype.removeListener = function(type, listener) {\n if (!this._events[type]) return;\n\n var obj = this._events[type]\n , i = obj.length;\n\n while (i--) {\n if (obj[i] === listener || obj[i].listener === listener) {\n obj.splice(i, 1);\n return;\n }\n }\n};\n\nEventEmitter.prototype.off = EventEmitter.prototype.removeListener;\n\nEventEmitter.prototype.removeAllListeners = function(type) {\n if (this._events[type]) delete this._events[type];\n};\n\nEventEmitter.prototype.once = function(type, listener) {\n var self = this;\n function on() {\n var args = Array.prototype.slice.call(arguments);\n this.removeListener(type, on);\n return listener.apply(this, args);\n }\n on.listener = listener;\n return this.on(type, on);\n};\n\nEventEmitter.prototype.emit = function(type) {\n if (!this._events[type]) return;\n\n var args = Array.prototype.slice.call(arguments, 1)\n , obj = this._events[type]\n , l = obj.length\n , i = 0;\n\n for (; i < l; i++) {\n obj[i].apply(this, args);\n }\n};\n\nEventEmitter.prototype.listeners = function(type) {\n return this._events[type] = this._events[type] || [];\n};\n\nexport { EventEmitter };\n",
- "/**\n * xterm.js: xterm, in the browser\n * Copyright (c) 2014-2016, SourceLair Private Company (www.sourcelair.com (MIT License)\n */\n\n/**\n * Represents the viewport of a terminal, the visible area within the larger buffer of output.\n * Logic for the virtual scroll bar is included in this object.\n * @param {Terminal} terminal The Terminal object.\n * @param {HTMLElement} viewportElement The DOM element acting as the viewport\n * @param {HTMLElement} charMeasureElement A DOM element used to measure the character size of\n * the terminal.\n */\nfunction Viewport(terminal, viewportElement, scrollArea, charMeasureElement) {\n this.terminal = terminal;\n this.viewportElement = viewportElement;\n this.scrollArea = scrollArea;\n this.charMeasureElement = charMeasureElement;\n this.currentRowHeight = 0;\n this.lastRecordedBufferLength = 0;\n this.lastRecordedViewportHeight = 0;\n\n this.terminal.on('scroll', this.syncScrollArea.bind(this));\n this.terminal.on('resize', this.syncScrollArea.bind(this));\n this.viewportElement.addEventListener('scroll', this.onScroll.bind(this));\n\n this.syncScrollArea();\n}\n\n/**\n * Refreshes row height, setting line-height, viewport height and scroll area height if\n * necessary.\n * @param {number|undefined} charSize A character size measurement bounding rect object, if it\n * doesn't exist it will be created.\n */\nViewport.prototype.refresh = function(charSize) {\n var size = charSize || this.charMeasureElement.getBoundingClientRect();\n if (size.height > 0) {\n var rowHeightChanged = size.height !== this.currentRowHeight;\n if (rowHeightChanged) {\n this.currentRowHeight = size.height;\n this.viewportElement.style.lineHeight = size.height + 'px';\n this.terminal.rowContainer.style.lineHeight = size.height + 'px';\n }\n var viewportHeightChanged = this.lastRecordedViewportHeight !== this.terminal.rows;\n if (rowHeightChanged || viewportHeightChanged) {\n this.lastRecordedViewportHeight = this.terminal.rows;\n this.viewportElement.style.height = size.height * this.terminal.rows + 'px';\n }\n this.scrollArea.style.height = (size.height * this.lastRecordedBufferLength) + 'px';\n }\n};\n\n/**\n * Updates dimensions and synchronizes the scroll area if necessary.\n */\nViewport.prototype.syncScrollArea = function() {\n if (this.lastRecordedBufferLength !== this.terminal.lines.length) {\n // If buffer height changed\n this.lastRecordedBufferLength = this.terminal.lines.length;\n this.refresh();\n } else if (this.lastRecordedViewportHeight !== this.terminal.rows) {\n // If viewport height changed\n this.refresh();\n } else {\n // If size has changed, refresh viewport\n var size = this.charMeasureElement.getBoundingClientRect();\n if (size.height !== this.currentRowHeight) {\n this.refresh(size);\n }\n }\n\n // Sync scrollTop\n var scrollTop = this.terminal.ydisp * this.currentRowHeight;\n if (this.viewportElement.scrollTop !== scrollTop) {\n this.viewportElement.scrollTop = scrollTop;\n }\n};\n\n/**\n * Handles scroll events on the viewport, calculating the new viewport and requesting the\n * terminal to scroll to it.\n * @param {Event} ev The scroll event.\n */\nViewport.prototype.onScroll = function(ev) {\n var newRow = Math.round(this.viewportElement.scrollTop / this.currentRowHeight);\n var diff = newRow - this.terminal.ydisp;\n this.terminal.scrollDisp(diff, true);\n};\n\n/**\n * Handles mouse wheel events by adjusting the viewport's scrollTop and delegating the actual\n * scrolling to `onScroll`, this event needs to be attached manually by the consumer of\n * `Viewport`.\n * @param {WheelEvent} ev The mouse wheel event.\n */\nViewport.prototype.onWheel = function(ev) {\n if (ev.deltaY === 0) {\n // Do nothing if it's not a vertical scroll event\n return;\n }\n // Fallback to WheelEvent.DOM_DELTA_PIXEL\n var multiplier = 1;\n if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {\n multiplier = this.currentRowHeight;\n } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {\n multiplier = this.currentRowHeight * this.terminal.rows;\n }\n this.viewportElement.scrollTop += ev.deltaY * multiplier;\n // Prevent the page from scrolling when the terminal scrolls\n ev.preventDefault();\n};\n\nexport { Viewport };\n",
- "/**\n * xterm.js: xterm, in the browser\n * Copyright (c) 2016, SourceLair Private Company <www.sourcelair.com> (MIT License)\n */\n\n/**\n * Clipboard handler module. This module contains methods for handling all\n * clipboard-related events appropriately in the terminal.\n * @module xterm/handlers/Clipboard\n */\n\n/**\n * Prepares text copied from terminal selection, to be saved in the clipboard by:\n * 1. stripping all trailing white spaces\n * 2. converting all non-breaking spaces to regular spaces\n * @param {string} text The copied text that needs processing for storing in clipboard\n * @returns {string}\n */\nfunction prepareTextForClipboard(text) {\n var space = String.fromCharCode(32),\n nonBreakingSpace = String.fromCharCode(160),\n allNonBreakingSpaces = new RegExp(nonBreakingSpace, 'g'),\n processedText = text.split('\\n').map(function (line) {\n // Strip all trailing white spaces and convert all non-breaking spaces\n // to regular spaces.\n var processedLine = line.replace(/\\s+$/g, '').replace(allNonBreakingSpaces, space);\n\n return processedLine;\n }).join('\\n');\n\n return processedText;\n}\n\n/**\n * Binds copy functionality to the given terminal.\n * @param {ClipboardEvent} ev The original copy event to be handled\n */\nfunction copyHandler(ev, term) {\n var copiedText = window.getSelection().toString(),\n text = prepareTextForClipboard(copiedText);\n\n if (term.browser.isMSIE) {\n window.clipboardData.setData('Text', text);\n } else {\n ev.clipboardData.setData('text/plain', text);\n }\n\n ev.preventDefault(); // Prevent or the original text will be copied.\n}\n\n/**\n * Redirect the clipboard's data to the terminal's input handler.\n * @param {ClipboardEvent} ev The original paste event to be handled\n * @param {Terminal} term The terminal on which to apply the handled paste event\n */\nfunction pasteHandler(ev, term) {\n ev.stopPropagation();\n\n var dispatchPaste = function(text) {\n term.handler(text);\n term.textarea.value = '';\n return term.cancel(ev);\n };\n\n if (term.browser.isMSIE) {\n if (window.clipboardData) {\n var text = window.clipboardData.getData('Text');\n dispatchPaste(text);\n }\n } else {\n if (ev.clipboardData) {\n var text = ev.clipboardData.getData('text/plain');\n dispatchPaste(text);\n }\n }\n}\n\n/**\n * Bind to right-click event and allow right-click copy and paste.\n *\n * **Logic**\n * If text is selected and right-click happens on selected text, then\n * do nothing to allow seamless copying.\n * If no text is selected or right-click is outside of the selection\n * area, then bring the terminal's input below the cursor, in order to\n * trigger the event on the textarea and allow-right click paste, without\n * caring about disappearing selection.\n * @param {ClipboardEvent} ev The original paste event to be handled\n * @param {Terminal} term The terminal on which to apply the handled paste event\n */\nfunction rightClickHandler(ev, term) {\n var s = document.getSelection(),\n selectedText = prepareTextForClipboard(s.toString()),\n clickIsOnSelection = false;\n\n if (s.rangeCount) {\n var r = s.getRangeAt(0),\n cr = r.getClientRects(),\n x = ev.clientX,\n y = ev.clientY,\n i, rect;\n\n for (i=0; i<cr.length; i++) {\n rect = cr[i];\n clickIsOnSelection = (\n (x > rect.left) && (x < rect.right) &&\n (y > rect.top) && (y < rect.bottom)\n );\n\n if (clickIsOnSelection) {\n break;\n }\n }\n // If we clicked on selection and selection is not a single space,\n // then mark the right click as copy-only. We check for the single\n // space selection, as this can happen when clicking on an \n // and there is not much pointing in copying a single space.\n if (selectedText.match(/^\\s$/) || !selectedText.length) {\n clickIsOnSelection = false;\n }\n }\n\n // Bring textarea at the cursor position\n if (!clickIsOnSelection) {\n term.textarea.style.position = 'fixed';\n term.textarea.style.width = '20px';\n term.textarea.style.height = '20px';\n term.textarea.style.left = (x - 10) + 'px';\n term.textarea.style.top = (y - 10) + 'px';\n term.textarea.style.zIndex = 1000;\n term.textarea.focus();\n\n // Reset the terminal textarea's styling\n setTimeout(function () {\n term.textarea.style.position = null;\n term.textarea.style.width = null;\n term.textarea.style.height = null;\n term.textarea.style.left = null;\n term.textarea.style.top = null;\n term.textarea.style.zIndex = null;\n }, 4);\n }\n}\n\nexport {\n prepareTextForClipboard, copyHandler, pasteHandler, rightClickHandler\n};\n",
- "/**\n * xterm.js: xterm, in the browser\n * Copyright (c) 2016, SourceLair Private Company <www.sourcelair.com> (MIT License)\n */\n\n/**\n * Browser utilities module. This module contains attributes and methods to help with\n * identifying the current browser and platform.\n * @module xterm/utils/Browser\n */\n\nimport { contains } from './Generic.js';\n\nlet isNode = (typeof navigator == 'undefined') ? true : false;\nlet userAgent = (isNode) ? 'node' : navigator.userAgent;\nlet platform = (isNode) ? 'node' : navigator.platform;\n\nexport let isFirefox = !!~userAgent.indexOf('Firefox');\nexport let isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident');\n\n// Find the users platform. We use this to interpret the meta key\n// and ISO third level shifts.\n// http://stackoverflow.com/q/19877924/577598\nexport let isMac = contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);\nexport let isIpad = platform === 'iPad';\nexport let isIphone = platform === 'iPhone';\nexport let isMSWindows = contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform);\n",
- "/**\n * xterm.js: xterm, in the browser\n * Copyright (c) 2016, SourceLair Private Company <www.sourcelair.com> (MIT License)\n */\n\n/**\n * Generic utilities module. This module contains generic methods that can be helpful at\n * different parts of the code base.\n * @module xterm/utils/Generic\n */\n\n/**\n * Return if the given array contains the given element\n * @param {Array} array The array to search for the given element.\n * @param {Object} el The element to look for into the array\n */\nexport let contains = function(arr, el) {\n return arr.indexOf(el) >= 0;\n};\n",
- "/**\n * xterm.js: xterm, in the browser\n * Copyright (c) 2014-2014, SourceLair Private Company <www.sourcelair.com> (MIT License)\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * https://github.com/chjj/term.js\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n *\n * Originally forked from (with the author's permission):\n * Fabrice Bellard's javascript vt100 for jslinux:\n * http://bellard.org/jslinux/\n * Copyright (c) 2011 Fabrice Bellard\n * The original design remains. The terminal itself\n * has been extended to include xterm CSI codes, among\n * other features.\n */\n\nimport { CompositionHelper } from './CompositionHelper.js';\nimport { EventEmitter } from './EventEmitter.js';\nimport { Viewport } from './Viewport.js';\nimport { rightClickHandler, pasteHandler, copyHandler } from './handlers/Clipboard.js';\nimport * as Browser from './utils/Browser';\n\n/**\n * Terminal Emulation References:\n * http://vt100.net/\n * http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt\n * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n * http://invisible-island.net/vttest/\n * http://www.inwap.com/pdp10/ansicode.txt\n * http://linux.die.net/man/4/console_codes\n * http://linux.die.net/man/7/urxvt\n */\n\n// Let it work inside Node.js for automated testing purposes.\nvar document = (typeof window != 'undefined') ? window.document : null;\n\n/**\n * States\n */\nvar normal = 0, escaped = 1, csi = 2, osc = 3, charset = 4, dcs = 5, ignore = 6;\n\n/**\n * Terminal\n */\n\n/**\n * Creates a new `Terminal` object.\n *\n * @param {object} options An object containing a set of options, the available options are:\n * - `cursorBlink` (boolean): Whether the terminal cursor blinks\n * - `cols` (number): The number of columns of the terminal (horizontal size)\n * - `rows` (number): The number of rows of the terminal (vertical size)\n *\n * @public\n * @class Xterm Xterm\n * @alias module:xterm/src/xterm\n */\nfunction Terminal(options) {\n var self = this;\n\n if (!(this instanceof Terminal)) {\n return new Terminal(arguments[0], arguments[1], arguments[2]);\n }\n\n self.browser = Browser;\n self.cancel = Terminal.cancel;\n\n EventEmitter.call(this);\n\n if (typeof options === 'number') {\n options = {\n cols: arguments[0],\n rows: arguments[1],\n handler: arguments[2]\n };\n }\n\n options = options || {};\n\n\n Object.keys(Terminal.defaults).forEach(function(key) {\n if (options[key] == null) {\n options[key] = Terminal.options[key];\n\n if (Terminal[key] !== Terminal.defaults[key]) {\n options[key] = Terminal[key];\n }\n }\n self[key] = options[key];\n });\n\n if (options.colors.length === 8) {\n options.colors = options.colors.concat(Terminal._colors.slice(8));\n } else if (options.colors.length === 16) {\n options.colors = options.colors.concat(Terminal._colors.slice(16));\n } else if (options.colors.length === 10) {\n options.colors = options.colors.slice(0, -2).concat(\n Terminal._colors.slice(8, -2), options.colors.slice(-2));\n } else if (options.colors.length === 18) {\n options.colors = options.colors.concat(\n Terminal._colors.slice(16, -2), options.colors.slice(-2));\n }\n this.colors = options.colors;\n\n this.options = options;\n\n // this.context = options.context || window;\n // this.document = options.document || document;\n this.parent = options.body || options.parent || (\n document ? document.getElementsByTagName('body')[0] : null\n );\n\n this.cols = options.cols || options.geometry[0];\n this.rows = options.rows || options.geometry[1];\n this.geometry = [this.cols, this.rows];\n\n if (options.handler) {\n this.on('data', options.handler);\n }\n\n /**\n * The scroll position of the y cursor, ie. ybase + y = the y position within the entire\n * buffer\n */\n this.ybase = 0;\n\n /**\n * The scroll position of the viewport\n */\n this.ydisp = 0;\n\n /**\n * The cursor's x position after ybase\n */\n this.x = 0;\n\n /**\n * The cursor's y position after ybase\n */\n this.y = 0;\n\n /**\n * Used to debounce the refresh function\n */\n this.isRefreshing = false;\n\n /**\n * Whether there is a full terminal refresh queued\n */\n\n this.cursorState = 0;\n this.cursorHidden = false;\n this.convertEol;\n this.state = 0;\n this.queue = '';\n this.scrollTop = 0;\n this.scrollBottom = this.rows - 1;\n this.customKeydownHandler = null;\n\n // modes\n this.applicationKeypad = false;\n this.applicationCursor = false;\n this.originMode = false;\n this.insertMode = false;\n this.wraparoundMode = true; // defaults: xterm - true, vt100 - false\n this.normal = null;\n\n // charset\n this.charset = null;\n this.gcharset = null;\n this.glevel = 0;\n this.charsets = [null];\n\n // mouse properties\n this.decLocator;\n this.x10Mouse;\n this.vt200Mouse;\n this.vt300Mouse;\n this.normalMouse;\n this.mouseEvents;\n this.sendFocus;\n this.utfMouse;\n this.sgrMouse;\n this.urxvtMouse;\n\n // misc\n this.element;\n this.children;\n this.refreshStart;\n this.refreshEnd;\n this.savedX;\n this.savedY;\n this.savedCols;\n\n // stream\n this.readable = true;\n this.writable = true;\n\n this.defAttr = (0 << 18) | (257 << 9) | (256 << 0);\n this.curAttr = this.defAttr;\n\n this.params = [];\n this.currentParam = 0;\n this.prefix = '';\n this.postfix = '';\n\n // leftover surrogate high from previous write invocation\n this.surrogate_high = '';\n\n /**\n * An array of all lines in the entire buffer, including the prompt. The lines are array of\n * characters which are 2-length arrays where [0] is an attribute and [1] is the character.\n */\n this.lines = [];\n var i = this.rows;\n while (i--) {\n this.lines.push(this.blankLine());\n }\n\n this.tabs;\n this.setupStops();\n\n // Store if user went browsing history in scrollback\n this.userScrolling = false;\n}\n\ninherits(Terminal, EventEmitter);\n\n/**\n * back_color_erase feature for xterm.\n */\nTerminal.prototype.eraseAttr = function() {\n // if (this.is('screen')) return this.defAttr;\n return (this.defAttr & ~0x1ff) | (this.curAttr & 0x1ff);\n};\n\n/**\n * Colors\n */\n\n// Colors 0-15\nTerminal.tangoColors = [\n // dark:\n '#2e3436',\n '#cc0000',\n '#4e9a06',\n '#c4a000',\n '#3465a4',\n '#75507b',\n '#06989a',\n '#d3d7cf',\n // bright:\n '#555753',\n '#ef2929',\n '#8ae234',\n '#fce94f',\n '#729fcf',\n '#ad7fa8',\n '#34e2e2',\n '#eeeeec'\n];\n\n// Colors 0-15 + 16-255\n// Much thanks to TooTallNate for writing this.\nTerminal.colors = (function() {\n var colors = Terminal.tangoColors.slice()\n , r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff]\n , i;\n\n // 16-231\n i = 0;\n for (; i < 216; i++) {\n out(r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]);\n }\n\n // 232-255 (grey)\n i = 0;\n for (; i < 24; i++) {\n r = 8 + i * 10;\n out(r, r, r);\n }\n\n function out(r, g, b) {\n colors.push('#' + hex(r) + hex(g) + hex(b));\n }\n\n function hex(c) {\n c = c.toString(16);\n return c.length < 2 ? '0' + c : c;\n }\n\n return colors;\n})();\n\nTerminal._colors = Terminal.colors.slice();\n\nTerminal.vcolors = (function() {\n var out = []\n , colors = Terminal.colors\n , i = 0\n , color;\n\n for (; i < 256; i++) {\n color = parseInt(colors[i].substring(1), 16);\n out.push([\n (color >> 16) & 0xff,\n (color >> 8) & 0xff,\n color & 0xff\n ]);\n }\n\n return out;\n})();\n\n/**\n * Options\n */\n\nTerminal.defaults = {\n colors: Terminal.colors,\n theme: 'default',\n convertEol: false,\n termName: 'xterm',\n geometry: [80, 24],\n cursorBlink: false,\n visualBell: false,\n popOnBell: false,\n scrollback: 1000,\n screenKeys: false,\n debug: false,\n cancelEvents: false\n // programFeatures: false,\n // focusKeys: false,\n};\n\nTerminal.options = {};\n\nTerminal.focus = null;\n\neach(keys(Terminal.defaults), function(key) {\n Terminal[key] = Terminal.defaults[key];\n Terminal.options[key] = Terminal.defaults[key];\n});\n\n/**\n * Focus the terminal. Delegates focus handling to the terminal's DOM element.\n */\nTerminal.prototype.focus = function() {\n return this.textarea.focus();\n};\n\n/**\n * Retrieves an option's value from the terminal.\n * @param {string} key The option key.\n */\nTerminal.prototype.getOption = function(key, value) {\n if (!(key in Terminal.defaults)) {\n throw new Error('No option with key \"' + key + '\"');\n }\n\n if (typeof this.options[key] !== 'undefined') {\n return this.options[key];\n }\n\n return this[key];\n};\n\n/**\n * Sets an option on the terminal.\n * @param {string} key The option key.\n * @param {string} value The option value.\n */\nTerminal.prototype.setOption = function(key, value) {\n if (!(key in Terminal.defaults)) {\n throw new Error('No option with key \"' + key + '\"');\n }\n this[key] = value;\n this.options[key] = value;\n};\n\n/**\n * Binds the desired focus behavior on a given terminal object.\n *\n * @static\n */\nTerminal.bindFocus = function (term) {\n on(term.textarea, 'focus', function (ev) {\n if (term.sendFocus) {\n term.send('\\x1b[I');\n }\n term.element.classList.add('focus');\n term.showCursor();\n Terminal.focus = term;\n term.emit('focus', {terminal: term});\n });\n};\n\n/**\n * Blur the terminal. Delegates blur handling to the terminal's DOM element.\n */\nTerminal.prototype.blur = function() {\n return this.textarea.blur();\n};\n\n/**\n * Binds the desired blur behavior on a given terminal object.\n *\n * @static\n */\nTerminal.bindBlur = function (term) {\n on(term.textarea, 'blur', function (ev) {\n term.refresh(term.y, term.y);\n if (term.sendFocus) {\n term.send('\\x1b[O');\n }\n term.element.classList.remove('focus');\n Terminal.focus = null;\n term.emit('blur', {terminal: term});\n });\n};\n\n/**\n * Initialize default behavior\n */\nTerminal.prototype.initGlobal = function() {\n var term = this;\n\n Terminal.bindKeys(this);\n Terminal.bindFocus(this);\n Terminal.bindBlur(this);\n\n // Bind clipboard functionality\n on(this.element, 'copy', function (ev) {\n copyHandler.call(this, ev, term);\n });\n on(this.textarea, 'paste', function (ev) {\n pasteHandler.call(this, ev, term);\n });\n\n function rightClickHandlerWrapper (ev) {\n rightClickHandler.call(this, ev, term);\n }\n\n if (term.browser.isFirefox) {\n on(this.element, 'mousedown', function (ev) {\n if (ev.button == 2) {\n rightClickHandlerWrapper(ev);\n }\n });\n } else {\n on(this.element, 'contextmenu', rightClickHandlerWrapper);\n }\n};\n\n/**\n * Apply key handling to the terminal\n */\nTerminal.bindKeys = function(term) {\n on(term.element, 'keydown', function(ev) {\n if (document.activeElement != this) {\n return;\n }\n term.keyDown(ev);\n }, true);\n\n on(term.element, 'keypress', function(ev) {\n if (document.activeElement != this) {\n return;\n }\n term.keyPress(ev);\n }, true);\n\n on(term.element, 'keyup', term.focus.bind(term));\n\n on(term.textarea, 'keydown', function(ev) {\n term.keyDown(ev);\n }, true);\n\n on(term.textarea, 'keypress', function(ev) {\n term.keyPress(ev);\n // Truncate the textarea's value, since it is not needed\n this.value = '';\n }, true);\n\n on(term.textarea, 'compositionstart', term.compositionHelper.compositionstart.bind(term.compositionHelper));\n on(term.textarea, 'compositionupdate', term.compositionHelper.compositionupdate.bind(term.compositionHelper));\n on(term.textarea, 'compositionend', term.compositionHelper.compositionend.bind(term.compositionHelper));\n term.on('refresh', term.compositionHelper.updateCompositionElements.bind(term.compositionHelper));\n};\n\n\n/**\n * Insert the given row to the terminal or produce a new one\n * if no row argument is passed. Return the inserted row.\n * @param {HTMLElement} row (optional) The row to append to the terminal.\n */\nTerminal.prototype.insertRow = function (row) {\n if (typeof row != 'object') {\n row = document.createElement('div');\n }\n\n this.rowContainer.appendChild(row);\n this.children.push(row);\n\n return row;\n};\n\n/**\n * Opens the terminal within an element.\n *\n * @param {HTMLElement} parent The element to create the terminal within.\n */\nTerminal.prototype.open = function(parent) {\n var self=this, i=0, div;\n\n this.parent = parent || this.parent;\n\n if (!this.parent) {\n throw new Error('Terminal requires a parent element.');\n }\n\n // Grab global elements\n this.context = this.parent.ownerDocument.defaultView;\n this.document = this.parent.ownerDocument;\n this.body = this.document.getElementsByTagName('body')[0];\n\n //Create main element container\n this.element = this.document.createElement('div');\n this.element.classList.add('terminal');\n this.element.classList.add('xterm');\n this.element.classList.add('xterm-theme-' + this.theme);\n\n this.element.style.height\n this.element.setAttribute('tabindex', 0);\n\n this.viewportElement = document.createElement('div');\n this.viewportElement.classList.add('xterm-viewport');\n this.element.appendChild(this.viewportElement);\n this.viewportScrollArea = document.createElement('div');\n this.viewportScrollArea.classList.add('xterm-scroll-area');\n this.viewportElement.appendChild(this.viewportScrollArea);\n\n // Create the container that will hold the lines of the terminal and then\n // produce the lines the lines.\n this.rowContainer = document.createElement('div');\n this.rowContainer.classList.add('xterm-rows');\n this.element.appendChild(this.rowContainer);\n this.children = [];\n\n // Create the container that will hold helpers like the textarea for\n // capturing DOM Events. Then produce the helpers.\n this.helperContainer = document.createElement('div');\n this.helperContainer.classList.add('xterm-helpers');\n // TODO: This should probably be inserted once it's filled to prevent an additional layout\n this.element.appendChild(this.helperContainer);\n this.textarea = document.createElement('textarea');\n this.textarea.classList.add('xterm-helper-textarea');\n this.textarea.setAttribute('autocorrect', 'off');\n this.textarea.setAttribute('autocapitalize', 'off');\n this.textarea.setAttribute('spellcheck', 'false');\n this.textarea.tabIndex = 0;\n this.textarea.addEventListener('focus', function() {\n self.emit('focus', {terminal: self});\n });\n this.textarea.addEventListener('blur', function() {\n self.emit('blur', {terminal: self});\n });\n this.helperContainer.appendChild(this.textarea);\n\n this.compositionView = document.createElement('div');\n this.compositionView.classList.add('composition-view');\n this.compositionHelper = new CompositionHelper(this.textarea, this.compositionView, this);\n this.helperContainer.appendChild(this.compositionView);\n\n this.charMeasureElement = document.createElement('div');\n this.charMeasureElement.classList.add('xterm-char-measure-element');\n this.charMeasureElement.innerHTML = 'W';\n this.helperContainer.appendChild(this.charMeasureElement);\n\n for (; i < this.rows; i++) {\n this.insertRow();\n }\n this.parent.appendChild(this.element);\n\n this.viewport = new Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasureElement);\n\n // Draw the screen.\n this.refresh(0, this.rows - 1);\n\n // Initialize global actions that\n // need to be taken on the document.\n this.initGlobal();\n\n // Ensure there is a Terminal.focus.\n this.focus();\n\n on(this.element, 'click', function() {\n var selection = document.getSelection(),\n collapsed = selection.isCollapsed,\n isRange = typeof collapsed == 'boolean' ? !collapsed : selection.type == 'Range';\n if (!isRange) {\n self.focus();\n }\n });\n\n // Listen for mouse events and translate\n // them into terminal mouse protocols.\n this.bindMouse();\n\n // Figure out whether boldness affects\n // the character width of monospace fonts.\n if (Terminal.brokenBold == null) {\n Terminal.brokenBold = isBoldBroken(this.document);\n }\n\n this.emit('open');\n};\n\n\n/**\n * Attempts to load an add-on using CommonJS or RequireJS (whichever is available).\n * @param {string} addon The name of the addon to load\n * @static\n */\nTerminal.loadAddon = function(addon, callback) {\n if (typeof exports === 'object' && typeof module === 'object') {\n // CommonJS\n return require('../addons/' + addon);\n } else if (typeof define == 'function') {\n // RequireJS\n return require(['../addons/' + addon + '/' + addon], callback);\n } else {\n console.error('Cannot load a module without a CommonJS or RequireJS environment.');\n return false;\n }\n};\n\n\n/**\n * XTerm mouse events\n * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking\n * To better understand these\n * the xterm code is very helpful:\n * Relevant files:\n * button.c, charproc.c, misc.c\n * Relevant functions in xterm/button.c:\n * BtnCode, EmitButtonCode, EditorButton, SendMousePosition\n */\nTerminal.prototype.bindMouse = function() {\n var el = this.element, self = this, pressed = 32;\n\n // mouseup, mousedown, wheel\n // left click: ^[[M 3<^[[M#3<\n // wheel up: ^[[M`3>\n function sendButton(ev) {\n var button\n , pos;\n\n // get the xterm-style button\n button = getButton(ev);\n\n // get mouse coordinates\n pos = getCoords(ev);\n if (!pos) return;\n\n sendEvent(button, pos);\n\n switch (ev.overrideType || ev.type) {\n case 'mousedown':\n pressed = button;\n break;\n case 'mouseup':\n // keep it at the left\n // button, just in case.\n pressed = 32;\n break;\n case 'wheel':\n // nothing. don't\n // interfere with\n // `pressed`.\n break;\n }\n }\n\n // motion example of a left click:\n // ^[[M 3<^[[M@4<^[[M@5<^[[M@6<^[[M@7<^[[M#7<\n function sendMove(ev) {\n var button = pressed\n , pos;\n\n pos = getCoords(ev);\n if (!pos) return;\n\n // buttons marked as motions\n // are incremented by 32\n button += 32;\n\n sendEvent(button, pos);\n }\n\n // encode button and\n // position to characters\n function encode(data, ch) {\n if (!self.utfMouse) {\n if (ch === 255) return data.push(0);\n if (ch > 127) ch = 127;\n data.push(ch);\n } else {\n if (ch === 2047) return data.push(0);\n if (ch < 127) {\n data.push(ch);\n } else {\n if (ch > 2047) ch = 2047;\n data.push(0xC0 | (ch >> 6));\n data.push(0x80 | (ch & 0x3F));\n }\n }\n }\n\n // send a mouse event:\n // regular/utf8: ^[[M Cb Cx Cy\n // urxvt: ^[[ Cb ; Cx ; Cy M\n // sgr: ^[[ Cb ; Cx ; Cy M/m\n // vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \\r\n // locator: CSI P e ; P b ; P r ; P c ; P p & w\n function sendEvent(button, pos) {\n // self.emit('mouse', {\n // x: pos.x - 32,\n // y: pos.x - 32,\n // button: button\n // });\n\n if (self.vt300Mouse) {\n // NOTE: Unstable.\n // http://www.vt100.net/docs/vt3xx-gp/chapter15.html\n button &= 3;\n pos.x -= 32;\n pos.y -= 32;\n var data = '\\x1b[24';\n if (button === 0) data += '1';\n else if (button === 1) data += '3';\n else if (button === 2) data += '5';\n else if (button === 3) return;\n else data += '0';\n data += '~[' + pos.x + ',' + pos.y + ']\\r';\n self.send(data);\n return;\n }\n\n if (self.decLocator) {\n // NOTE: Unstable.\n button &= 3;\n pos.x -= 32;\n pos.y -= 32;\n if (button === 0) button = 2;\n else if (button === 1) button = 4;\n else if (button === 2) button = 6;\n else if (button === 3) button = 3;\n self.send('\\x1b['\n + button\n + ';'\n + (button === 3 ? 4 : 0)\n + ';'\n + pos.y\n + ';'\n + pos.x\n + ';'\n + (pos.page || 0)\n + '&w');\n return;\n }\n\n if (self.urxvtMouse) {\n pos.x -= 32;\n pos.y -= 32;\n pos.x++;\n pos.y++;\n self.send('\\x1b[' + button + ';' + pos.x + ';' + pos.y + 'M');\n return;\n }\n\n if (self.sgrMouse) {\n pos.x -= 32;\n pos.y -= 32;\n self.send('\\x1b[<'\n + ((button & 3) === 3 ? button & ~3 : button)\n + ';'\n + pos.x\n + ';'\n + pos.y\n + ((button & 3) === 3 ? 'm' : 'M'));\n return;\n }\n\n var data = [];\n\n encode(data, button);\n encode(data, pos.x);\n encode(data, pos.y);\n\n self.send('\\x1b[M' + String.fromCharCode.apply(String, data));\n }\n\n function getButton(ev) {\n var button\n , shift\n , meta\n , ctrl\n , mod;\n\n // two low bits:\n // 0 = left\n // 1 = middle\n // 2 = right\n // 3 = release\n // wheel up/down:\n // 1, and 2 - with 64 added\n switch (ev.overrideType || ev.type) {\n case 'mousedown':\n button = ev.button != null\n ? +ev.button\n : ev.which != null\n ? ev.which - 1\n : null;\n\n if (self.browser.isMSIE) {\n button = button === 1 ? 0 : button === 4 ? 1 : button;\n }\n break;\n case 'mouseup':\n button = 3;\n break;\n case 'DOMMouseScroll':\n button = ev.detail < 0\n ? 64\n : 65;\n break;\n case 'wheel':\n button = ev.wheelDeltaY > 0\n ? 64\n : 65;\n break;\n }\n\n // next three bits are the modifiers:\n // 4 = shift, 8 = meta, 16 = control\n shift = ev.shiftKey ? 4 : 0;\n meta = ev.metaKey ? 8 : 0;\n ctrl = ev.ctrlKey ? 16 : 0;\n mod = shift | meta | ctrl;\n\n // no mods\n if (self.vt200Mouse) {\n // ctrl only\n mod &= ctrl;\n } else if (!self.normalMouse) {\n mod = 0;\n }\n\n // increment to SP\n button = (32 + (mod << 2)) + button;\n\n return button;\n }\n\n // mouse coordinates measured in cols/rows\n function getCoords(ev) {\n var x, y, w, h, el;\n\n // ignore browsers without pageX for now\n if (ev.pageX == null) return;\n\n x = ev.pageX;\n y = ev.pageY;\n el = self.element;\n\n // should probably check offsetParent\n // but this is more portable\n while (el && el !== self.document.documentElement) {\n x -= el.offsetLeft;\n y -= el.offsetTop;\n el = 'offsetParent' in el\n ? el.offsetParent\n : el.parentNode;\n }\n\n // convert to cols/rows\n w = self.element.clientWidth;\n h = self.element.clientHeight;\n x = Math.ceil((x / w) * self.cols);\n y = Math.ceil((y / h) * self.rows);\n\n // be sure to avoid sending\n // bad positions to the program\n if (x < 0) x = 0;\n if (x > self.cols) x = self.cols;\n if (y < 0) y = 0;\n if (y > self.rows) y = self.rows;\n\n // xterm sends raw bytes and\n // starts at 32 (SP) for each.\n x += 32;\n y += 32;\n\n return {\n x: x,\n y: y,\n type: 'wheel'\n };\n }\n\n on(el, 'mousedown', function(ev) {\n if (!self.mouseEvents) return;\n\n // send the button\n sendButton(ev);\n\n // ensure focus\n self.focus();\n\n // fix for odd bug\n //if (self.vt200Mouse && !self.normalMouse) {\n if (self.vt200Mouse) {\n ev.overrideType = 'mouseup';\n sendButton(ev);\n return self.cancel(ev);\n }\n\n // bind events\n if (self.normalMouse) on(self.document, 'mousemove', sendMove);\n\n // x10 compatibility mode can't send button releases\n if (!self.x10Mouse) {\n on(self.document, 'mouseup', function up(ev) {\n sendButton(ev);\n if (self.normalMouse) off(self.document, 'mousemove', sendMove);\n off(self.document, 'mouseup', up);\n return self.cancel(ev);\n });\n }\n\n return self.cancel(ev);\n });\n\n //if (self.normalMouse) {\n // on(self.document, 'mousemove', sendMove);\n //}\n\n on(el, 'wheel', function(ev) {\n if (!self.mouseEvents) return;\n if (self.x10Mouse\n || self.vt300Mouse\n || self.decLocator) return;\n sendButton(ev);\n return self.cancel(ev);\n });\n\n // allow wheel scrolling in\n // the shell for example\n on(el, 'wheel', function(ev) {\n if (self.mouseEvents) return;\n self.viewport.onWheel(ev);\n return self.cancel(ev);\n });\n};\n\n/**\n * Destroys the terminal.\n */\nTerminal.prototype.destroy = function() {\n this.readable = false;\n this.writable = false;\n this._events = {};\n this.handler = function() {};\n this.write = function() {};\n if (this.element.parentNode) {\n this.element.parentNode.removeChild(this.element);\n }\n //this.emit('close');\n};\n\n\n/**\n * Flags used to render terminal text properly\n */\nTerminal.flags = {\n BOLD: 1,\n UNDERLINE: 2,\n BLINK: 4,\n INVERSE: 8,\n INVISIBLE: 16\n}\n\n/**\n * Refreshes (re-renders) terminal content within two rows (inclusive)\n *\n * Rendering Engine:\n *\n * In the screen buffer, each character is stored as a an array with a character\n * and a 32-bit integer:\n * - First value: a utf-16 character.\n * - Second value:\n * - Next 9 bits: background color (0-511).\n * - Next 9 bits: foreground color (0-511).\n * - Next 14 bits: a mask for misc. flags:\n * - 1=bold\n * - 2=underline\n * - 4=blink\n * - 8=inverse\n * - 16=invisible\n *\n * @param {number} start The row to start from (between 0 and terminal's height terminal - 1)\n * @param {number} end The row to end at (between fromRow and terminal's height terminal - 1)\n * @param {boolean} queue Whether the refresh should ran right now or be queued\n */\nTerminal.prototype.refresh = function(start, end, queue) {\n var self = this;\n\n // queue defaults to true\n queue = (typeof queue == 'undefined') ? true : queue;\n\n /**\n * The refresh queue allows refresh to execute only approximately 30 times a second. For\n * commands that pass a significant amount of output to the write function, this prevents the\n * terminal from maxing out the CPU and making the UI unresponsive. While commands can still\n * run beyond what they do on the terminal, it is far better with a debounce in place as\n * every single terminal manipulation does not need to be constructed in the DOM.\n *\n * A side-effect of this is that it makes ^C to interrupt a process seem more responsive.\n */\n if (queue) {\n // If refresh should be queued, order the refresh and return.\n if (this._refreshIsQueued) {\n // If a refresh has already been queued, just order a full refresh next\n this._fullRefreshNext = true;\n } else {\n setTimeout(function () {\n self.refresh(start, end, false);\n }, 34)\n this._refreshIsQueued = true;\n }\n return;\n }\n\n // If refresh should be run right now (not be queued), release the lock\n this._refreshIsQueued = false;\n\n // If multiple refreshes were requested, make a full refresh.\n if (this._fullRefreshNext) {\n start = 0;\n end = this.rows - 1;\n this._fullRefreshNext = false // reset lock\n }\n\n var x, y, i, line, out, ch, ch_width, width, data, attr, bg, fg, flags, row, parent, focused = document.activeElement;\n\n // If this is a big refresh, remove the terminal rows from the DOM for faster calculations\n if (end - start >= this.rows / 2) {\n parent = this.element.parentNode;\n if (parent) {\n this.element.removeChild(this.rowContainer);\n }\n }\n\n width = this.cols;\n y = start;\n\n if (end >= this.rows.length) {\n this.log('`end` is too large. Most likely a bad CSR.');\n end = this.rows.length - 1;\n }\n\n for (; y <= end; y++) {\n row = y + this.ydisp;\n\n line = this.lines[row];\n out = '';\n\n if (this.y === y - (this.ybase - this.ydisp)\n && this.cursorState\n && !this.cursorHidden) {\n x = this.x;\n } else {\n x = -1;\n }\n\n attr = this.defAttr;\n i = 0;\n\n for (; i < width; i++) {\n data = line[i][0];\n ch = line[i][1];\n ch_width = line[i][2];\n if (!ch_width)\n continue;\n\n if (i === x) data = -1;\n\n if (data !== attr) {\n if (attr !== this.defAttr) {\n out += '</span>';\n }\n if (data !== this.defAttr) {\n if (data === -1) {\n out += '<span class=\"reverse-video terminal-cursor';\n if (this.cursorBlink) {\n out += ' blinking';\n }\n out += '\">';\n } else {\n var classNames = [];\n\n bg = data & 0x1ff;\n fg = (data >> 9) & 0x1ff;\n flags = data >> 18;\n\n if (flags & Terminal.flags.BOLD) {\n if (!Terminal.brokenBold) {\n classNames.push('xterm-bold');\n }\n // See: XTerm*boldColors\n if (fg < 8) fg += 8;\n }\n\n if (flags & Terminal.flags.UNDERLINE) {\n classNames.push('xterm-underline');\n }\n\n if (flags & Terminal.flags.BLINK) {\n classNames.push('xterm-blink');\n }\n\n // If inverse flag is on, then swap the foreground and background variables.\n if (flags & Terminal.flags.INVERSE) {\n /* One-line variable swap in JavaScript: http://stackoverflow.com/a/16201730 */\n bg = [fg, fg = bg][0];\n // Should inverse just be before the\n // above boldColors effect instead?\n if ((flags & 1) && fg < 8) fg += 8;\n }\n\n if (flags & Terminal.flags.INVISIBLE) {\n classNames.push('xterm-hidden');\n }\n\n /**\n * Weird situation: Invert flag used black foreground and white background results\n * in invalid background color, positioned at the 256 index of the 256 terminal\n * color map. Pin the colors manually in such a case.\n *\n * Source: https://github.com/sourcelair/xterm.js/issues/57\n */\n if (flags & Terminal.flags.INVERSE) {\n if (bg == 257) {\n bg = 15;\n }\n if (fg == 256) {\n fg = 0;\n }\n }\n\n if (bg < 256) {\n classNames.push('xterm-bg-color-' + bg);\n }\n\n if (fg < 256) {\n classNames.push('xterm-color-' + fg);\n }\n\n out += '<span';\n if (classNames.length) {\n out += ' class=\"' + classNames.join(' ') + '\"';\n }\n out += '>';\n }\n }\n }\n\n switch (ch) {\n case '&':\n out += '&';\n break;\n case '<':\n out += '<';\n break;\n case '>':\n out += '>';\n break;\n default:\n if (ch <= ' ') {\n out += ' ';\n } else {\n out += ch;\n }\n break;\n }\n\n attr = data;\n }\n\n if (attr !== this.defAttr) {\n out += '</span>';\n }\n\n this.children[y].innerHTML = out;\n }\n\n if (parent) {\n this.element.appendChild(this.rowContainer);\n }\n\n this.emit('refresh', {element: this.element, start: start, end: end});\n};\n\n/**\n * Display the cursor element\n */\nTerminal.prototype.showCursor = function() {\n if (!this.cursorState) {\n this.cursorState = 1;\n this.refresh(this.y, this.y);\n }\n};\n\n/**\n * Scroll the terminal\n */\nTerminal.prototype.scroll = function() {\n var row;\n\n if (++this.ybase === this.scrollback) {\n this.ybase = this.ybase / 2 | 0;\n this.lines = this.lines.slice(-(this.ybase + this.rows) + 1);\n }\n\n if (!this.userScrolling) {\n this.ydisp = this.ybase;\n }\n\n // last line\n row = this.ybase + this.rows - 1;\n\n // subtract the bottom scroll region\n row -= this.rows - 1 - this.scrollBottom;\n\n if (row === this.lines.length) {\n // potential optimization:\n // pushing is faster than splicing\n // when they amount to the same\n // behavior.\n this.lines.push(this.blankLine());\n } else {\n // add our new line\n this.lines.splice(row, 0, this.blankLine());\n }\n\n if (this.scrollTop !== 0) {\n if (this.ybase !== 0) {\n this.ybase--;\n if (!this.userScrolling) {\n this.ydisp = this.ybase;\n }\n }\n this.lines.splice(this.ybase + this.scrollTop, 1);\n }\n\n // this.maxRange();\n this.updateRange(this.scrollTop);\n this.updateRange(this.scrollBottom);\n\n this.emit('scroll', this.ydisp);\n};\n\n/**\n * Scroll the display of the terminal\n * @param {number} disp The number of lines to scroll down (negatives scroll up).\n * @param {boolean} suppressScrollEvent Don't emit the scroll event as scrollDisp. This is used\n * to avoid unwanted events being handled by the veiwport when the event was triggered from the\n * viewport originally.\n */\nTerminal.prototype.scrollDisp = function(disp, suppressScrollEvent) {\n if (disp < 0) {\n this.userScrolling = true;\n } else if (disp + this.ydisp >= this.ybase) {\n this.userScrolling = false;\n }\n\n this.ydisp += disp;\n\n if (this.ydisp > this.ybase) {\n this.ydisp = this.ybase;\n } else if (this.ydisp < 0) {\n this.ydisp = 0;\n }\n\n if (!suppressScrollEvent) {\n this.emit('scroll', this.ydisp);\n }\n\n this.refresh(0, this.rows - 1);\n};\n\n/**\n * Scroll the display of the terminal by a number of pages.\n * @param {number} pageCount The number of pages to scroll (negative scrolls up).\n */\nTerminal.prototype.scrollPages = function(pageCount) {\n this.scrollDisp(pageCount * (this.rows - 1));\n}\n\n/**\n * Scrolls the display of the terminal to the top.\n */\nTerminal.prototype.scrollToTop = function() {\n this.scrollDisp(-this.ydisp);\n}\n\n/**\n * Scrolls the display of the terminal to the bottom.\n */\nTerminal.prototype.scrollToBottom = function() {\n this.scrollDisp(this.ybase - this.ydisp);\n}\n\n/**\n * Writes text to the terminal.\n * @param {string} text The text to write to the terminal.\n */\nTerminal.prototype.write = function(data) {\n var l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;\n\n this.refreshStart = this.y;\n this.refreshEnd = this.y;\n\n // apply leftover surrogate high from last write\n if (this.surrogate_high) {\n data = this.surrogate_high + data;\n this.surrogate_high = '';\n }\n\n for (; i < l; i++) {\n ch = data[i];\n\n // FIXME: higher chars than 0xa0 are not allowed in escape sequences\n // --> maybe move to default\n code = data.charCodeAt(i);\n if (0xD800 <= code && code <= 0xDBFF) {\n // we got a surrogate high\n // get surrogate low (next 2 bytes)\n low = data.charCodeAt(i+1);\n if (isNaN(low)) {\n // end of data stream, save surrogate high\n this.surrogate_high = ch;\n continue;\n }\n code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;\n ch += data.charAt(i+1);\n }\n // surrogate low - already handled above\n if (0xDC00 <= code && code <= 0xDFFF)\n continue;\n\n switch (this.state) {\n case normal:\n switch (ch) {\n case '\\x07':\n this.bell();\n break;\n\n // '\\n', '\\v', '\\f'\n case '\\n':\n case '\\x0b':\n case '\\x0c':\n if (this.convertEol) {\n this.x = 0;\n }\n this.y++;\n if (this.y > this.scrollBottom) {\n this.y--;\n this.scroll();\n }\n break;\n\n // '\\r'\n case '\\r':\n this.x = 0;\n break;\n\n // '\\b'\n case '\\x08':\n if (this.x > 0) {\n this.x--;\n }\n break;\n\n // '\\t'\n case '\\t':\n this.x = this.nextStop();\n break;\n\n // shift out\n case '\\x0e':\n this.setgLevel(1);\n break;\n\n // shift in\n case '\\x0f':\n this.setgLevel(0);\n break;\n\n // '\\e'\n case '\\x1b':\n this.state = escaped;\n break;\n\n default:\n // ' '\n // calculate print space\n // expensive call, therefore we save width in line buffer\n ch_width = wcwidth(code);\n\n if (ch >= ' ') {\n if (this.charset && this.charset[ch]) {\n ch = this.charset[ch];\n }\n\n row = this.y + this.ybase;\n\n // insert combining char in last cell\n // FIXME: needs handling after cursor jumps\n if (!ch_width && this.x) {\n\n // dont overflow left\n if (this.lines[row][this.x-1]) {\n if (!this.lines[row][this.x-1][2]) {\n\n // found empty cell after fullwidth, need to go 2 cells back\n if (this.lines[row][this.x-2])\n this.lines[row][this.x-2][1] += ch;\n\n } else {\n this.lines[row][this.x-1][1] += ch;\n }\n this.updateRange(this.y);\n }\n break;\n }\n\n // goto next line if ch would overflow\n // TODO: needs a global min terminal width of 2\n if (this.x+ch_width-1 >= this.cols) {\n // autowrap - DECAWM\n if (this.wraparoundMode) {\n this.x = 0;\n this.y++;\n if (this.y > this.scrollBottom) {\n this.y--;\n this.scroll();\n }\n } else {\n this.x = this.cols-1;\n if(ch_width===2) // FIXME: check for xterm behavior\n continue;\n }\n }\n row = this.y + this.ybase;\n\n // insert mode: move characters to right\n if (this.insertMode) {\n // do this twice for a fullwidth char\n for (var moves=0; moves<ch_width; ++moves) {\n // remove last cell, if it's width is 0\n // we have to adjust the second last cell as well\n var removed = this.lines[this.y + this.ybase].pop();\n if (removed[2]===0\n && this.lines[row][this.cols-2]\n && this.lines[row][this.cols-2][2]===2)\n this.lines[row][this.cols-2] = [this.curAttr, ' ', 1];\n\n // insert empty cell at cursor\n this.lines[row].splice(this.x, 0, [this.curAttr, ' ', 1]);\n }\n }\n\n this.lines[row][this.x] = [this.curAttr, ch, ch_width];\n this.x++;\n this.updateRange(this.y);\n\n // fullwidth char - set next cell width to zero and advance cursor\n if (ch_width===2) {\n this.lines[row][this.x] = [this.curAttr, '', 0];\n this.x++;\n }\n }\n break;\n }\n break;\n case escaped:\n switch (ch) {\n // ESC [ Control Sequence Introducer ( CSI is 0x9b).\n case '[':\n this.params = [];\n this.currentParam = 0;\n this.state = csi;\n break;\n\n // ESC ] Operating System Command ( OSC is 0x9d).\n case ']':\n this.params = [];\n this.currentParam = 0;\n this.state = osc;\n break;\n\n // ESC P Device Control String ( DCS is 0x90).\n case 'P':\n this.params = [];\n this.currentParam = 0;\n this.state = dcs;\n break;\n\n // ESC _ Application Program Command ( APC is 0x9f).\n case '_':\n this.state = ignore;\n break;\n\n // ESC ^ Privacy Message ( PM is 0x9e).\n case '^':\n this.state = ignore;\n break;\n\n // ESC c Full Reset (RIS).\n case 'c':\n this.reset();\n break;\n\n // ESC E Next Line ( NEL is 0x85).\n // ESC D Index ( IND is 0x84).\n case 'E':\n this.x = 0;\n ;\n case 'D':\n this.index();\n break;\n\n // ESC M Reverse Index ( RI is 0x8d).\n case 'M':\n this.reverseIndex();\n break;\n\n // ESC % Select default/utf-8 character set.\n // @ = default, G = utf-8\n case '%':\n //this.charset = null;\n this.setgLevel(0);\n this.setgCharset(0, Terminal.charsets.US);\n this.state = normal;\n i++;\n break;\n\n // ESC (,),*,+,-,. Designate G0-G2 Character Set.\n case '(': // <-- this seems to get all the attention\n case ')':\n case '*':\n case '+':\n case '-':\n case '.':\n switch (ch) {\n case '(':\n this.gcharset = 0;\n break;\n case ')':\n this.gcharset = 1;\n break;\n case '*':\n this.gcharset = 2;\n break;\n case '+':\n this.gcharset = 3;\n break;\n case '-':\n this.gcharset = 1;\n break;\n case '.':\n this.gcharset = 2;\n break;\n }\n this.state = charset;\n break;\n\n // Designate G3 Character Set (VT300).\n // A = ISO Latin-1 Supplemental.\n // Not implemented.\n case '/':\n this.gcharset = 3;\n this.state = charset;\n i--;\n break;\n\n // ESC N\n // Single Shift Select of G2 Character Set\n // ( SS2 is 0x8e). This affects next character only.\n case 'N':\n break;\n // ESC O\n // Single Shift Select of G3 Character Set\n // ( SS3 is 0x8f). This affects next character only.\n case 'O':\n break;\n // ESC n\n // Invoke the G2 Character Set as GL (LS2).\n case 'n':\n this.setgLevel(2);\n break;\n // ESC o\n // Invoke the G3 Character Set as GL (LS3).\n case 'o':\n this.setgLevel(3);\n break;\n // ESC |\n // Invoke the G3 Character Set as GR (LS3R).\n case '|':\n this.setgLevel(3);\n break;\n // ESC }\n // Invoke the G2 Character Set as GR (LS2R).\n case '}':\n this.setgLevel(2);\n break;\n // ESC ~\n // Invoke the G1 Character Set as GR (LS1R).\n case '~':\n this.setgLevel(1);\n break;\n\n // ESC 7 Save Cursor (DECSC).\n case '7':\n this.saveCursor();\n this.state = normal;\n break;\n\n // ESC 8 Restore Cursor (DECRC).\n case '8':\n this.restoreCursor();\n this.state = normal;\n break;\n\n // ESC # 3 DEC line height/width\n case '#':\n this.state = normal;\n i++;\n break;\n\n // ESC H Tab Set (HTS is 0x88).\n case 'H':\n this.tabSet();\n break;\n\n // ESC = Application Keypad (DECKPAM).\n case '=':\n this.log('Serial port requested application keypad.');\n this.applicationKeypad = true;\n this.viewport.syncScrollArea();\n this.state = normal;\n break;\n\n // ESC > Normal Keypad (DECKPNM).\n case '>':\n this.log('Switching back to normal keypad.');\n this.applicationKeypad = false;\n this.viewport.syncScrollArea();\n this.state = normal;\n break;\n\n default:\n this.state = normal;\n this.error('Unknown ESC control: %s.', ch);\n break;\n }\n break;\n\n case charset:\n switch (ch) {\n case '0': // DEC Special Character and Line Drawing Set.\n cs = Terminal.charsets.SCLD;\n break;\n case 'A': // UK\n cs = Terminal.charsets.UK;\n break;\n case 'B': // United States (USASCII).\n cs = Terminal.charsets.US;\n break;\n case '4': // Dutch\n cs = Terminal.charsets.Dutch;\n break;\n case 'C': // Finnish\n case '5':\n cs = Terminal.charsets.Finnish;\n break;\n case 'R': // French\n cs = Terminal.charsets.French;\n break;\n case 'Q': // FrenchCanadian\n cs = Terminal.charsets.FrenchCanadian;\n break;\n case 'K': // German\n cs = Terminal.charsets.German;\n break;\n case 'Y': // Italian\n cs = Terminal.charsets.Italian;\n break;\n case 'E': // NorwegianDanish\n case '6':\n cs = Terminal.charsets.NorwegianDanish;\n break;\n case 'Z': // Spanish\n cs = Terminal.charsets.Spanish;\n break;\n case 'H': // Swedish\n case '7':\n cs = Terminal.charsets.Swedish;\n break;\n case '=': // Swiss\n cs = Terminal.charsets.Swiss;\n break;\n case '/': // ISOLatin (actually /A)\n cs = Terminal.charsets.ISOLatin;\n i++;\n break;\n default: // Default\n cs = Terminal.charsets.US;\n break;\n }\n this.setgCharset(this.gcharset, cs);\n this.gcharset = null;\n this.state = normal;\n break;\n\n case osc:\n // OSC Ps ; Pt ST\n // OSC Ps ; Pt BEL\n // Set Text Parameters.\n if (ch === '\\x1b' || ch === '\\x07') {\n if (ch === '\\x1b') i++;\n\n this.params.push(this.currentParam);\n\n switch (this.params[0]) {\n case 0:\n case 1:\n case 2:\n if (this.params[1]) {\n this.title = this.params[1];\n this.handleTitle(this.title);\n }\n break;\n case 3:\n // set X property\n break;\n case 4:\n case 5:\n // change dynamic colors\n break;\n case 10:\n case 11:\n case 12:\n case 13:\n case 14:\n case 15:\n case 16:\n case 17:\n case 18:\n case 19:\n // change dynamic ui colors\n break;\n case 46:\n // change log file\n break;\n case 50:\n // dynamic font\n break;\n case 51:\n // emacs shell\n break;\n case 52:\n // manipulate selection data\n break;\n case 104:\n case 105:\n case 110:\n case 111:\n case 112:\n case 113:\n case 114:\n case 115:\n case 116:\n case 117:\n case 118:\n // reset colors\n break;\n }\n\n this.params = [];\n this.currentParam = 0;\n this.state = normal;\n } else {\n if (!this.params.length) {\n if (ch >= '0' && ch <= '9') {\n this.currentParam =\n this.currentParam * 10 + ch.charCodeAt(0) - 48;\n } else if (ch === ';') {\n this.params.push(this.currentParam);\n this.currentParam = '';\n }\n } else {\n this.currentParam += ch;\n }\n }\n break;\n\n case csi:\n // '?', '>', '!'\n if (ch === '?' || ch === '>' || ch === '!') {\n this.prefix = ch;\n break;\n }\n\n // 0 - 9\n if (ch >= '0' && ch <= '9') {\n this.currentParam = this.currentParam * 10 + ch.charCodeAt(0) - 48;\n break;\n }\n\n // '$', '\"', ' ', '\\''\n if (ch === '$' || ch === '\"' || ch === ' ' || ch === '\\'') {\n this.postfix = ch;\n break;\n }\n\n this.params.push(this.currentParam);\n this.currentParam = 0;\n\n // ';'\n if (ch === ';') break;\n\n this.state = normal;\n\n switch (ch) {\n // CSI Ps A\n // Cursor Up Ps Times (default = 1) (CUU).\n case 'A':\n this.cursorUp(this.params);\n break;\n\n // CSI Ps B\n // Cursor Down Ps Times (default = 1) (CUD).\n case 'B':\n this.cursorDown(this.params);\n break;\n\n // CSI Ps C\n // Cursor Forward Ps Times (default = 1) (CUF).\n case 'C':\n this.cursorForward(this.params);\n break;\n\n // CSI Ps D\n // Cursor Backward Ps Times (default = 1) (CUB).\n case 'D':\n this.cursorBackward(this.params);\n break;\n\n // CSI Ps ; Ps H\n // Cursor Position [row;column] (default = [1,1]) (CUP).\n case 'H':\n this.cursorPos(this.params);\n break;\n\n // CSI Ps J Erase in Display (ED).\n case 'J':\n this.eraseInDisplay(this.params);\n break;\n\n // CSI Ps K Erase in Line (EL).\n case 'K':\n this.eraseInLine(this.params);\n break;\n\n // CSI Pm m Character Attributes (SGR).\n case 'm':\n if (!this.prefix) {\n this.charAttributes(this.params);\n }\n break;\n\n // CSI Ps n Device Status Report (DSR).\n case 'n':\n if (!this.prefix) {\n this.deviceStatus(this.params);\n }\n break;\n\n /**\n * Additions\n */\n\n // CSI Ps @\n // Insert Ps (Blank) Character(s) (default = 1) (ICH).\n case '@':\n this.insertChars(this.params);\n break;\n\n // CSI Ps E\n // Cursor Next Line Ps Times (default = 1) (CNL).\n case 'E':\n this.cursorNextLine(this.params);\n break;\n\n // CSI Ps F\n // Cursor Preceding Line Ps Times (default = 1) (CNL).\n case 'F':\n this.cursorPrecedingLine(this.params);\n break;\n\n // CSI Ps G\n // Cursor Character Absolute [column] (default = [row,1]) (CHA).\n case 'G':\n this.cursorCharAbsolute(this.params);\n break;\n\n // CSI Ps L\n // Insert Ps Line(s) (default = 1) (IL).\n case 'L':\n this.insertLines(this.params);\n break;\n\n // CSI Ps M\n // Delete Ps Line(s) (default = 1) (DL).\n case 'M':\n this.deleteLines(this.params);\n break;\n\n // CSI Ps P\n // Delete Ps Character(s) (default = 1) (DCH).\n case 'P':\n this.deleteChars(this.params);\n break;\n\n // CSI Ps X\n // Erase Ps Character(s) (default = 1) (ECH).\n case 'X':\n this.eraseChars(this.params);\n break;\n\n // CSI Pm ` Character Position Absolute\n // [column] (default = [row,1]) (HPA).\n case '`':\n this.charPosAbsolute(this.params);\n break;\n\n // 141 61 a * HPR -\n // Horizontal Position Relative\n case 'a':\n this.HPositionRelative(this.params);\n break;\n\n // CSI P s c\n // Send Device Attributes (Primary DA).\n // CSI > P s c\n // Send Device Attributes (Secondary DA)\n case 'c':\n this.sendDeviceAttributes(this.params);\n break;\n\n // CSI Pm d\n // Line Position Absolute [row] (default = [1,column]) (VPA).\n case 'd':\n this.linePosAbsolute(this.params);\n break;\n\n // 145 65 e * VPR - Vertical Position Relative\n case 'e':\n this.VPositionRelative(this.params);\n break;\n\n // CSI Ps ; Ps f\n // Horizontal and Vertical Position [row;column] (default =\n // [1,1]) (HVP).\n case 'f':\n this.HVPosition(this.params);\n break;\n\n // CSI Pm h Set Mode (SM).\n // CSI ? Pm h - mouse escape codes, cursor escape codes\n case 'h':\n this.setMode(this.params);\n break;\n\n // CSI Pm l Reset Mode (RM).\n // CSI ? Pm l\n case 'l':\n this.resetMode(this.params);\n break;\n\n // CSI Ps ; Ps r\n // Set Scrolling Region [top;bottom] (default = full size of win-\n // dow) (DECSTBM).\n // CSI ? Pm r\n case 'r':\n this.setScrollRegion(this.params);\n break;\n\n // CSI s\n // Save cursor (ANSI.SYS).\n case 's':\n this.saveCursor(this.params);\n break;\n\n // CSI u\n // Restore cursor (ANSI.SYS).\n case 'u':\n this.restoreCursor(this.params);\n break;\n\n /**\n * Lesser Used\n */\n\n // CSI Ps I\n // Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).\n case 'I':\n this.cursorForwardTab(this.params);\n break;\n\n // CSI Ps S Scroll up Ps lines (default = 1) (SU).\n case 'S':\n this.scrollUp(this.params);\n break;\n\n // CSI Ps T Scroll down Ps lines (default = 1) (SD).\n // CSI Ps ; Ps ; Ps ; Ps ; Ps T\n // CSI > Ps; Ps T\n case 'T':\n // if (this.prefix === '>') {\n // this.resetTitleModes(this.params);\n // break;\n // }\n // if (this.params.length > 2) {\n // this.initMouseTracking(this.params);\n // break;\n // }\n if (this.params.length < 2 && !this.prefix) {\n this.scrollDown(this.params);\n }\n break;\n\n // CSI Ps Z\n // Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).\n case 'Z':\n this.cursorBackwardTab(this.params);\n break;\n\n // CSI Ps b Repeat the preceding graphic character Ps times (REP).\n case 'b':\n this.repeatPrecedingCharacter(this.params);\n break;\n\n // CSI Ps g Tab Clear (TBC).\n case 'g':\n this.tabClear(this.params);\n break;\n\n // CSI Pm i Media Copy (MC).\n // CSI ? Pm i\n // case 'i':\n // this.mediaCopy(this.params);\n // break;\n\n // CSI Pm m Character Attributes (SGR).\n // CSI > Ps; Ps m\n // case 'm': // duplicate\n // if (this.prefix === '>') {\n // this.setResources(this.params);\n // } else {\n // this.charAttributes(this.params);\n // }\n // break;\n\n // CSI Ps n Device Status Report (DSR).\n // CSI > Ps n\n // case 'n': // duplicate\n // if (this.prefix === '>') {\n // this.disableModifiers(this.params);\n // } else {\n // this.deviceStatus(this.params);\n // }\n // break;\n\n // CSI > Ps p Set pointer mode.\n // CSI ! p Soft terminal reset (DECSTR).\n // CSI Ps$ p\n // Request ANSI mode (DECRQM).\n // CSI ? Ps$ p\n // Request DEC private mode (DECRQM).\n // CSI Ps ; Ps \" p\n case 'p':\n switch (this.prefix) {\n // case '>':\n // this.setPointerMode(this.params);\n // break;\n case '!':\n this.softReset(this.params);\n break;\n // case '?':\n // if (this.postfix === '$') {\n // this.requestPrivateMode(this.params);\n // }\n // break;\n // default:\n // if (this.postfix === '\"') {\n // this.setConformanceLevel(this.params);\n // } else if (this.postfix === '$') {\n // this.requestAnsiMode(this.params);\n // }\n // break;\n }\n break;\n\n // CSI Ps q Load LEDs (DECLL).\n // CSI Ps SP q\n // CSI Ps \" q\n // case 'q':\n // if (this.postfix === ' ') {\n // this.setCursorStyle(this.params);\n // break;\n // }\n // if (this.postfix === '\"') {\n // this.setCharProtectionAttr(this.params);\n // break;\n // }\n // this.loadLEDs(this.params);\n // break;\n\n // CSI Ps ; Ps r\n // Set Scrolling Region [top;bottom] (default = full size of win-\n // dow) (DECSTBM).\n // CSI ? Pm r\n // CSI Pt; Pl; Pb; Pr; Ps$ r\n // case 'r': // duplicate\n // if (this.prefix === '?') {\n // this.restorePrivateValues(this.params);\n // } else if (this.postfix === '$') {\n // this.setAttrInRectangle(this.params);\n // } else {\n // this.setScrollRegion(this.params);\n // }\n // break;\n\n // CSI s Save cursor (ANSI.SYS).\n // CSI ? Pm s\n // case 's': // duplicate\n // if (this.prefix === '?') {\n // this.savePrivateValues(this.params);\n // } else {\n // this.saveCursor(this.params);\n // }\n // break;\n\n // CSI Ps ; Ps ; Ps t\n // CSI Pt; Pl; Pb; Pr; Ps$ t\n // CSI > Ps; Ps t\n // CSI Ps SP t\n // case 't':\n // if (this.postfix === '$') {\n // this.reverseAttrInRectangle(this.params);\n // } else if (this.postfix === ' ') {\n // this.setWarningBellVolume(this.params);\n // } else {\n // if (this.prefix === '>') {\n // this.setTitleModeFeature(this.params);\n // } else {\n // this.manipulateWindow(this.params);\n // }\n // }\n // break;\n\n // CSI u Restore cursor (ANSI.SYS).\n // CSI Ps SP u\n // case 'u': // duplicate\n // if (this.postfix === ' ') {\n // this.setMarginBellVolume(this.params);\n // } else {\n // this.restoreCursor(this.params);\n // }\n // break;\n\n // CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v\n // case 'v':\n // if (this.postfix === '$') {\n // this.copyRectagle(this.params);\n // }\n // break;\n\n // CSI Pt ; Pl ; Pb ; Pr ' w\n // case 'w':\n // if (this.postfix === '\\'') {\n // this.enableFilterRectangle(this.params);\n // }\n // break;\n\n // CSI Ps x Request Terminal Parameters (DECREQTPARM).\n // CSI Ps x Select Attribute Change Extent (DECSACE).\n // CSI Pc; Pt; Pl; Pb; Pr$ x\n // case 'x':\n // if (this.postfix === '$') {\n // this.fillRectangle(this.params);\n // } else {\n // this.requestParameters(this.params);\n // //this.__(this.params);\n // }\n // break;\n\n // CSI Ps ; Pu ' z\n // CSI Pt; Pl; Pb; Pr$ z\n // case 'z':\n // if (this.postfix === '\\'') {\n // this.enableLocatorReporting(this.params);\n // } else if (this.postfix === '$') {\n // this.eraseRectangle(this.params);\n // }\n // break;\n\n // CSI Pm ' {\n // CSI Pt; Pl; Pb; Pr$ {\n // case '{':\n // if (this.postfix === '\\'') {\n // this.setLocatorEvents(this.params);\n // } else if (this.postfix === '$') {\n // this.selectiveEraseRectangle(this.params);\n // }\n // break;\n\n // CSI Ps ' |\n // case '|':\n // if (this.postfix === '\\'') {\n // this.requestLocatorPosition(this.params);\n // }\n // break;\n\n // CSI P m SP }\n // Insert P s Column(s) (default = 1) (DECIC), VT420 and up.\n // case '}':\n // if (this.postfix === ' ') {\n // this.insertColumns(this.params);\n // }\n // break;\n\n // CSI P m SP ~\n // Delete P s Column(s) (default = 1) (DECDC), VT420 and up\n // case '~':\n // if (this.postfix === ' ') {\n // this.deleteColumns(this.params);\n // }\n // break;\n\n default:\n this.error('Unknown CSI code: %s.', ch);\n break;\n }\n\n this.prefix = '';\n this.postfix = '';\n break;\n\n case dcs:\n if (ch === '\\x1b' || ch === '\\x07') {\n if (ch === '\\x1b') i++;\n\n switch (this.prefix) {\n // User-Defined Keys (DECUDK).\n case '':\n break;\n\n // Request Status String (DECRQSS).\n // test: echo -e '\\eP$q\"p\\e\\\\'\n case '$q':\n var pt = this.currentParam\n , valid = false;\n\n switch (pt) {\n // DECSCA\n case '\"q':\n pt = '0\"q';\n break;\n\n // DECSCL\n case '\"p':\n pt = '61\"p';\n break;\n\n // DECSTBM\n case 'r':\n pt = ''\n + (this.scrollTop + 1)\n + ';'\n + (this.scrollBottom + 1)\n + 'r';\n break;\n\n // SGR\n case 'm':\n pt = '0m';\n break;\n\n default:\n this.error('Unknown DCS Pt: %s.', pt);\n pt = '';\n break;\n }\n\n this.send('\\x1bP' + +valid + '$r' + pt + '\\x1b\\\\');\n break;\n\n // Set Termcap/Terminfo Data (xterm, experimental).\n case '+p':\n break;\n\n // Request Termcap/Terminfo String (xterm, experimental)\n // Regular xterm does not even respond to this sequence.\n // This can cause a small glitch in vim.\n // test: echo -ne '\\eP+q6b64\\e\\\\'\n case '+q':\n var pt = this.currentParam\n , valid = false;\n\n this.send('\\x1bP' + +valid + '+r' + pt + '\\x1b\\\\');\n break;\n\n default:\n this.error('Unknown DCS prefix: %s.', this.prefix);\n break;\n }\n\n this.currentParam = 0;\n this.prefix = '';\n this.state = normal;\n } else if (!this.currentParam) {\n if (!this.prefix && ch !== '$' && ch !== '+') {\n this.currentParam = ch;\n } else if (this.prefix.length === 2) {\n this.currentParam = ch;\n } else {\n this.prefix += ch;\n }\n } else {\n this.currentParam += ch;\n }\n break;\n\n case ignore:\n // For PM and APC.\n if (ch === '\\x1b' || ch === '\\x07') {\n if (ch === '\\x1b') i++;\n this.state = normal;\n }\n break;\n }\n }\n\n this.updateRange(this.y);\n this.refresh(this.refreshStart, this.refreshEnd);\n};\n\n/**\n * Writes text to the terminal, followed by a break line character (\\n).\n * @param {string} text The text to write to the terminal.\n */\nTerminal.prototype.writeln = function(data) {\n this.write(data + '\\r\\n');\n};\n\n/**\n * Attaches a custom keydown handler which is run before keys are processed, giving consumers of\n * xterm.js ultimate control as to what keys should be processed by the terminal and what keys\n * should not.\n * @param {function} customKeydownHandler The custom KeyboardEvent handler to attach. This is a\n * function that takes a KeyboardEvent, allowing consumers to stop propogation and/or prevent\n * the default action. The function returns whether the event should be processed by xterm.js.\n */\nTerminal.prototype.attachCustomKeydownHandler = function(customKeydownHandler) {\n this.customKeydownHandler = customKeydownHandler;\n}\n\n/**\n * Handle a keydown event\n * Key Resources:\n * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n * @param {KeyboardEvent} ev The keydown event to be handled.\n */\nTerminal.prototype.keyDown = function(ev) {\n // Scroll down to prompt, whenever the user presses a key.\n if (this.ybase !== this.ydisp) {\n this.scrollToBottom();\n }\n\n if (this.customKeydownHandler && this.customKeydownHandler(ev) === false) {\n return false;\n }\n\n if (!this.compositionHelper.keydown.bind(this.compositionHelper)(ev)) {\n return false;\n }\n\n var self = this;\n var result = this.evaluateKeyEscapeSequence(ev);\n\n if (result.scrollDisp) {\n this.scrollDisp(result.scrollDisp);\n return this.cancel(ev, true);\n }\n\n if (isThirdLevelShift(this, ev)) {\n return true;\n }\n\n if (result.cancel) {\n // The event is canceled at the end already, is this necessary?\n this.cancel(ev, true);\n }\n\n if (!result.key) {\n return true;\n }\n\n this.emit('keydown', ev);\n this.emit('key', result.key, ev);\n this.showCursor();\n this.handler(result.key);\n\n return this.cancel(ev, true);\n};\n\n/**\n * Returns an object that determines how a KeyboardEvent should be handled. The key of the\n * returned value is the new key code to pass to the PTY.\n *\n * Reference: http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n * @param {KeyboardEvent} ev The keyboard event to be translated to key escape sequence.\n */\nTerminal.prototype.evaluateKeyEscapeSequence = function(ev) {\n var result = {\n // Whether to cancel event propogation (NOTE: this may not be needed since the event is\n // canceled at the end of keyDown\n cancel: false,\n // The new key even to emit\n key: undefined,\n // The number of characters to scroll, if this is defined it will cancel the event\n scrollDisp: undefined\n };\n var modifiers = ev.shiftKey << 0 | ev.altKey << 1 | ev.ctrlKey << 2 | ev.metaKey << 3;\n switch (ev.keyCode) {\n case 8:\n // backspace\n if (ev.shiftKey) {\n result.key = '\\x08'; // ^H\n break;\n }\n result.key = '\\x7f'; // ^?\n break;\n case 9:\n // tab\n if (ev.shiftKey) {\n result.key = '\\x1b[Z';\n break;\n }\n result.key = '\\t';\n result.cancel = true;\n break;\n case 13:\n // return/enter\n result.key = '\\r';\n result.cancel = true;\n break;\n case 27:\n // escape\n result.key = '\\x1b';\n result.cancel = true;\n break;\n case 37:\n // left-arrow\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'D';\n // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards\n // http://unix.stackexchange.com/a/108106\n if (result.key == '\\x1b[1;3D') {\n result.key = '\\x1b[1;5D';\n }\n } else if (this.applicationCursor) {\n result.key = '\\x1bOD';\n } else {\n result.key = '\\x1b[D';\n }\n break;\n case 39:\n // right-arrow\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'C';\n // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward\n // http://unix.stackexchange.com/a/108106\n if (result.key == '\\x1b[1;3C') {\n result.key = '\\x1b[1;5C';\n }\n } else if (this.applicationCursor) {\n result.key = '\\x1bOC';\n } else {\n result.key = '\\x1b[C';\n }\n break;\n case 38:\n // up-arrow\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'A';\n // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow\n // http://unix.stackexchange.com/a/108106\n if (result.key == '\\x1b[1;3A') {\n result.key = '\\x1b[1;5A';\n }\n } else if (this.applicationCursor) {\n result.key = '\\x1bOA';\n } else {\n result.key = '\\x1b[A';\n }\n break;\n case 40:\n // down-arrow\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'B';\n // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow\n // http://unix.stackexchange.com/a/108106\n if (result.key == '\\x1b[1;3B') {\n result.key = '\\x1b[1;5B';\n }\n } else if (this.applicationCursor) {\n result.key = '\\x1bOB';\n } else {\n result.key = '\\x1b[B';\n }\n break;\n case 45:\n // insert\n if (!ev.shiftKey && !ev.ctrlKey) {\n // <Ctrl> or <Shift> + <Insert> are used to\n // copy-paste on some systems.\n result.key = '\\x1b[2~';\n }\n break;\n case 46:\n // delete\n if (modifiers) {\n result.key = '\\x1b[3;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[3~';\n }\n break;\n case 36:\n // home\n if (modifiers)\n result.key = '\\x1b[1;' + (modifiers + 1) + 'H';\n else if (this.applicationCursor)\n result.key = '\\x1bOH';\n else\n result.key = '\\x1b[H';\n break;\n case 35:\n // end\n if (modifiers)\n result.key = '\\x1b[1;' + (modifiers + 1) + 'F';\n else if (this.applicationCursor)\n result.key = '\\x1bOF';\n else\n result.key = '\\x1b[F';\n break;\n case 33:\n // page up\n if (ev.shiftKey) {\n result.scrollDisp = -(this.rows - 1);\n } else {\n result.key = '\\x1b[5~';\n }\n break;\n case 34:\n // page down\n if (ev.shiftKey) {\n result.scrollDisp = this.rows - 1;\n } else {\n result.key = '\\x1b[6~';\n }\n break;\n case 112:\n // F1-F12\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'P';\n } else {\n result.key = '\\x1bOP';\n }\n break;\n case 113:\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'Q';\n } else {\n result.key = '\\x1bOQ';\n }\n break;\n case 114:\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'R';\n } else {\n result.key = '\\x1bOR';\n }\n break;\n case 115:\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'S';\n } else {\n result.key = '\\x1bOS';\n }\n break;\n case 116:\n if (modifiers) {\n result.key = '\\x1b[15;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[15~';\n }\n break;\n case 117:\n if (modifiers) {\n result.key = '\\x1b[17;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[17~';\n }\n break;\n case 118:\n if (modifiers) {\n result.key = '\\x1b[18;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[18~';\n }\n break;\n case 119:\n if (modifiers) {\n result.key = '\\x1b[19;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[19~';\n }\n break;\n case 120:\n if (modifiers) {\n result.key = '\\x1b[20;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[20~';\n }\n break;\n case 121:\n if (modifiers) {\n result.key = '\\x1b[21;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[21~';\n }\n break;\n case 122:\n if (modifiers) {\n result.key = '\\x1b[23;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[23~';\n }\n break;\n case 123:\n if (modifiers) {\n result.key = '\\x1b[24;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[24~';\n }\n break;\n default:\n // a-z and space\n if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {\n if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n result.key = String.fromCharCode(ev.keyCode - 64);\n } else if (ev.keyCode === 32) {\n // NUL\n result.key = String.fromCharCode(0);\n } else if (ev.keyCode >= 51 && ev.keyCode <= 55) {\n // escape, file sep, group sep, record sep, unit sep\n result.key = String.fromCharCode(ev.keyCode - 51 + 27);\n } else if (ev.keyCode === 56) {\n // delete\n result.key = String.fromCharCode(127);\n } else if (ev.keyCode === 219) {\n // ^[ - escape\n result.key = String.fromCharCode(27);\n } else if (ev.keyCode === 221) {\n // ^] - group sep\n result.key = String.fromCharCode(29);\n }\n } else if (!this.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) {\n // On Mac this is a third level shift. Use <Esc> instead.\n if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n result.key = '\\x1b' + String.fromCharCode(ev.keyCode + 32);\n } else if (ev.keyCode === 192) {\n result.key = '\\x1b`';\n } else if (ev.keyCode >= 48 && ev.keyCode <= 57) {\n result.key = '\\x1b' + (ev.keyCode - 48);\n }\n }\n break;\n }\n return result;\n};\n\n/**\n * Set the G level of the terminal\n * @param g\n */\nTerminal.prototype.setgLevel = function(g) {\n this.glevel = g;\n this.charset = this.charsets[g];\n};\n\n/**\n * Set the charset for the given G level of the terminal\n * @param g\n * @param charset\n */\nTerminal.prototype.setgCharset = function(g, charset) {\n this.charsets[g] = charset;\n if (this.glevel === g) {\n this.charset = charset;\n }\n};\n\n/**\n * Handle a keypress event.\n * Key Resources:\n * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n * @param {KeyboardEvent} ev The keypress event to be handled.\n */\nTerminal.prototype.keyPress = function(ev) {\n var key;\n\n this.cancel(ev);\n\n if (ev.charCode) {\n key = ev.charCode;\n } else if (ev.which == null) {\n key = ev.keyCode;\n } else if (ev.which !== 0 && ev.charCode !== 0) {\n key = ev.which;\n } else {\n return false;\n }\n\n if (!key || (\n (ev.altKey || ev.ctrlKey || ev.metaKey) && !isThirdLevelShift(this, ev)\n )) {\n return false;\n }\n\n key = String.fromCharCode(key);\n\n this.emit('keypress', key, ev);\n this.emit('key', key, ev);\n this.showCursor();\n this.handler(key);\n\n return false;\n};\n\n/**\n * Send data for handling to the terminal\n * @param {string} data\n */\nTerminal.prototype.send = function(data) {\n var self = this;\n\n if (!this.queue) {\n setTimeout(function() {\n self.handler(self.queue);\n self.queue = '';\n }, 1);\n }\n\n this.queue += data;\n};\n\n/**\n * Ring the bell.\n * Note: We could do sweet things with webaudio here\n */\nTerminal.prototype.bell = function() {\n if (!this.visualBell) return;\n var self = this;\n this.element.style.borderColor = 'white';\n setTimeout(function() {\n self.element.style.borderColor = '';\n }, 10);\n if (this.popOnBell) this.focus();\n};\n\n/**\n * Log the current state to the console.\n */\nTerminal.prototype.log = function() {\n if (!this.debug) return;\n if (!this.context.console || !this.context.console.log) return;\n var args = Array.prototype.slice.call(arguments);\n this.context.console.log.apply(this.context.console, args);\n};\n\n/**\n * Log the current state as error to the console.\n */\nTerminal.prototype.error = function() {\n if (!this.debug) return;\n if (!this.context.console || !this.context.console.error) return;\n var args = Array.prototype.slice.call(arguments);\n this.context.console.error.apply(this.context.console, args);\n};\n\n/**\n * Resizes the terminal.\n *\n * @param {number} x The number of columns to resize to.\n * @param {number} y The number of rows to resize to.\n */\nTerminal.prototype.resize = function(x, y) {\n var line\n , el\n , i\n , j\n , ch\n , addToY;\n\n if (x === this.cols && y === this.rows) {\n return;\n }\n\n if (x < 1) x = 1;\n if (y < 1) y = 1;\n\n // resize cols\n j = this.cols;\n if (j < x) {\n ch = [this.defAttr, ' ', 1]; // does xterm use the default attr?\n i = this.lines.length;\n while (i--) {\n while (this.lines[i].length < x) {\n this.lines[i].push(ch);\n }\n }\n } else { // (j > x)\n i = this.lines.length;\n while (i--) {\n while (this.lines[i].length > x) {\n this.lines[i].pop();\n }\n }\n }\n this.setupStops(j);\n this.cols = x;\n\n // resize rows\n j = this.rows;\n addToY = 0;\n if (j < y) {\n el = this.element;\n while (j++ < y) {\n // y is rows, not this.y\n if (this.lines.length < y + this.ybase) {\n if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {\n // There is room above the buffer and there are no empty elements below the line,\n // scroll up\n this.ybase--;\n addToY++\n if (this.ydisp > 0) {\n // Viewport is at the top of the buffer, must increase downwards\n this.ydisp--;\n }\n } else {\n // Add a blank line if there is no buffer left at the top to scroll to, or if there\n // are blank lines after the cursor\n this.lines.push(this.blankLine());\n }\n }\n if (this.children.length < y) {\n this.insertRow();\n }\n }\n } else { // (j > y)\n while (j-- > y) {\n if (this.lines.length > y + this.ybase) {\n if (this.lines.length > this.ybase + this.y + 1) {\n // The line is a blank line below the cursor, remove it\n this.lines.pop();\n } else {\n // The line is the cursor, scroll down\n this.ybase++;\n this.ydisp++;\n }\n }\n if (this.children.length > y) {\n el = this.children.shift();\n if (!el) continue;\n el.parentNode.removeChild(el);\n }\n }\n }\n this.rows = y;\n\n // Make sure that the cursor stays on screen\n if (this.y >= y) {\n this.y = y - 1;\n }\n if (addToY) {\n this.y += addToY;\n }\n\n if (this.x >= x) {\n this.x = x - 1;\n }\n\n this.scrollTop = 0;\n this.scrollBottom = y - 1;\n\n this.refresh(0, this.rows - 1);\n\n this.normal = null;\n\n this.geometry = [this.cols, this.rows];\n this.emit('resize', {terminal: this, cols: x, rows: y});\n};\n\n/**\n * Updates the range of rows to refresh\n * @param {number} y The number of rows to refresh next.\n */\nTerminal.prototype.updateRange = function(y) {\n if (y < this.refreshStart) this.refreshStart = y;\n if (y > this.refreshEnd) this.refreshEnd = y;\n // if (y > this.refreshEnd) {\n // this.refreshEnd = y;\n // if (y > this.rows - 1) {\n // this.refreshEnd = this.rows - 1;\n // }\n // }\n};\n\n/**\n * Set the range of refreshing to the maximum value\n */\nTerminal.prototype.maxRange = function() {\n this.refreshStart = 0;\n this.refreshEnd = this.rows - 1;\n};\n\n\n\n/**\n * Setup the tab stops.\n * @param {number} i\n */\nTerminal.prototype.setupStops = function(i) {\n if (i != null) {\n if (!this.tabs[i]) {\n i = this.prevStop(i);\n }\n } else {\n this.tabs = {};\n i = 0;\n }\n\n for (; i < this.cols; i += 8) {\n this.tabs[i] = true;\n }\n};\n\n\n/**\n * Move the cursor to the previous tab stop from the given position (default is current).\n * @param {number} x The position to move the cursor to the previous tab stop.\n */\nTerminal.prototype.prevStop = function(x) {\n if (x == null) x = this.x;\n while (!this.tabs[--x] && x > 0);\n return x >= this.cols\n ? this.cols - 1\n : x < 0 ? 0 : x;\n};\n\n\n/**\n * Move the cursor one tab stop forward from the given position (default is current).\n * @param {number} x The position to move the cursor one tab stop forward.\n */\nTerminal.prototype.nextStop = function(x) {\n if (x == null) x = this.x;\n while (!this.tabs[++x] && x < this.cols);\n return x >= this.cols\n ? this.cols - 1\n : x < 0 ? 0 : x;\n};\n\n\n/**\n * Erase in the identified line everything from \"x\" to the end of the line (right).\n * @param {number} x The column from which to start erasing to the end of the line.\n * @param {number} y The line in which to operate.\n */\nTerminal.prototype.eraseRight = function(x, y) {\n var line = this.lines[this.ybase + y]\n , ch = [this.eraseAttr(), ' ', 1]; // xterm\n\n\n for (; x < this.cols; x++) {\n line[x] = ch;\n }\n\n this.updateRange(y);\n};\n\n\n\n/**\n * Erase in the identified line everything from \"x\" to the start of the line (left).\n * @param {number} x The column from which to start erasing to the start of the line.\n * @param {number} y The line in which to operate.\n */\nTerminal.prototype.eraseLeft = function(x, y) {\n var line = this.lines[this.ybase + y]\n , ch = [this.eraseAttr(), ' ', 1]; // xterm\n\n x++;\n while (x--) line[x] = ch;\n\n this.updateRange(y);\n};\n\n/**\n * Clears the entire buffer, making the prompt line the new first line.\n */\nTerminal.prototype.clear = function() {\n if (this.ybase === 0 && this.y === 0) {\n // Don't clear if it's already clear\n return;\n }\n this.lines = [this.lines[this.ybase + this.y]];\n this.ydisp = 0;\n this.ybase = 0;\n this.y = 0;\n for (var i = 1; i < this.rows; i++) {\n this.lines.push(this.blankLine());\n }\n this.refresh(0, this.rows - 1);\n this.emit('scroll', this.ydisp);\n};\n\n/**\n * Erase all content in the given line\n * @param {number} y The line to erase all of its contents.\n */\nTerminal.prototype.eraseLine = function(y) {\n this.eraseRight(0, y);\n};\n\n\n/**\n * Return the data array of a blank line/\n * @param {number} cur First bunch of data for each \"blank\" character.\n */\nTerminal.prototype.blankLine = function(cur) {\n var attr = cur\n ? this.eraseAttr()\n : this.defAttr;\n\n var ch = [attr, ' ', 1] // width defaults to 1 halfwidth character\n , line = []\n , i = 0;\n\n for (; i < this.cols; i++) {\n line[i] = ch;\n }\n\n return line;\n};\n\n\n/**\n * If cur return the back color xterm feature attribute. Else return defAttr.\n * @param {object} cur\n */\nTerminal.prototype.ch = function(cur) {\n return cur\n ? [this.eraseAttr(), ' ', 1]\n : [this.defAttr, ' ', 1];\n};\n\n\n/**\n * Evaluate if the current erminal is the given argument.\n * @param {object} term The terminal to evaluate\n */\nTerminal.prototype.is = function(term) {\n var name = this.termName;\n return (name + '').indexOf(term) === 0;\n};\n\n\n/**\n * Emit the 'data' event and populate the given data.\n * @param {string} data The data to populate in the event.\n */\nTerminal.prototype.handler = function(data) {\n this.emit('data', data);\n};\n\n\n/**\n * Emit the 'title' event and populate the given title.\n * @param {string} title The title to populate in the event.\n */\nTerminal.prototype.handleTitle = function(title) {\n this.emit('title', title);\n};\n\n\n/**\n * ESC\n */\n\n/**\n * ESC D Index (IND is 0x84).\n */\nTerminal.prototype.index = function() {\n this.y++;\n if (this.y > this.scrollBottom) {\n this.y--;\n this.scroll();\n }\n this.state = normal;\n};\n\n\n/**\n * ESC M Reverse Index (RI is 0x8d).\n */\nTerminal.prototype.reverseIndex = function() {\n var j;\n this.y--;\n if (this.y < this.scrollTop) {\n this.y++;\n // possibly move the code below to term.reverseScroll();\n // test: echo -ne '\\e[1;1H\\e[44m\\eM\\e[0m'\n // blankLine(true) is xterm/linux behavior\n this.lines.splice(this.y + this.ybase, 0, this.blankLine(true));\n j = this.rows - 1 - this.scrollBottom;\n this.lines.splice(this.rows - 1 + this.ybase - j + 1, 1);\n // this.maxRange();\n this.updateRange(this.scrollTop);\n this.updateRange(this.scrollBottom);\n }\n this.state = normal;\n};\n\n\n/**\n * ESC c Full Reset (RIS).\n */\nTerminal.prototype.reset = function() {\n this.options.rows = this.rows;\n this.options.cols = this.cols;\n var customKeydownHandler = this.customKeydownHandler;\n Terminal.call(this, this.options);\n this.customKeydownHandler = customKeydownHandler;\n this.refresh(0, this.rows - 1);\n this.viewport.syncScrollArea();\n};\n\n\n/**\n * ESC H Tab Set (HTS is 0x88).\n */\nTerminal.prototype.tabSet = function() {\n this.tabs[this.x] = true;\n this.state = normal;\n};\n\n\n/**\n * CSI\n */\n\n/**\n * CSI Ps A\n * Cursor Up Ps Times (default = 1) (CUU).\n */\nTerminal.prototype.cursorUp = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y -= param;\n if (this.y < 0) this.y = 0;\n};\n\n\n/**\n * CSI Ps B\n * Cursor Down Ps Times (default = 1) (CUD).\n */\nTerminal.prototype.cursorDown = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y += param;\n if (this.y >= this.rows) {\n this.y = this.rows - 1;\n }\n};\n\n\n/**\n * CSI Ps C\n * Cursor Forward Ps Times (default = 1) (CUF).\n */\nTerminal.prototype.cursorForward = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.x += param;\n if (this.x >= this.cols) {\n this.x = this.cols - 1;\n }\n};\n\n\n/**\n * CSI Ps D\n * Cursor Backward Ps Times (default = 1) (CUB).\n */\nTerminal.prototype.cursorBackward = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.x -= param;\n if (this.x < 0) this.x = 0;\n};\n\n\n/**\n * CSI Ps ; Ps H\n * Cursor Position [row;column] (default = [1,1]) (CUP).\n */\nTerminal.prototype.cursorPos = function(params) {\n var row, col;\n\n row = params[0] - 1;\n\n if (params.length >= 2) {\n col = params[1] - 1;\n } else {\n col = 0;\n }\n\n if (row < 0) {\n row = 0;\n } else if (row >= this.rows) {\n row = this.rows - 1;\n }\n\n if (col < 0) {\n col = 0;\n } else if (col >= this.cols) {\n col = this.cols - 1;\n }\n\n this.x = col;\n this.y = row;\n};\n\n\n/**\n * CSI Ps J Erase in Display (ED).\n * Ps = 0 -> Erase Below (default).\n * Ps = 1 -> Erase Above.\n * Ps = 2 -> Erase All.\n * Ps = 3 -> Erase Saved Lines (xterm).\n * CSI ? Ps J\n * Erase in Display (DECSED).\n * Ps = 0 -> Selective Erase Below (default).\n * Ps = 1 -> Selective Erase Above.\n * Ps = 2 -> Selective Erase All.\n */\nTerminal.prototype.eraseInDisplay = function(params) {\n var j;\n switch (params[0]) {\n case 0:\n this.eraseRight(this.x, this.y);\n j = this.y + 1;\n for (; j < this.rows; j++) {\n this.eraseLine(j);\n }\n break;\n case 1:\n this.eraseLeft(this.x, this.y);\n j = this.y;\n while (j--) {\n this.eraseLine(j);\n }\n break;\n case 2:\n j = this.rows;\n while (j--) this.eraseLine(j);\n break;\n case 3:\n ; // no saved lines\n break;\n }\n};\n\n\n/**\n * CSI Ps K Erase in Line (EL).\n * Ps = 0 -> Erase to Right (default).\n * Ps = 1 -> Erase to Left.\n * Ps = 2 -> Erase All.\n * CSI ? Ps K\n * Erase in Line (DECSEL).\n * Ps = 0 -> Selective Erase to Right (default).\n * Ps = 1 -> Selective Erase to Left.\n * Ps = 2 -> Selective Erase All.\n */\nTerminal.prototype.eraseInLine = function(params) {\n switch (params[0]) {\n case 0:\n this.eraseRight(this.x, this.y);\n break;\n case 1:\n this.eraseLeft(this.x, this.y);\n break;\n case 2:\n this.eraseLine(this.y);\n break;\n }\n};\n\n\n/**\n * CSI Pm m Character Attributes (SGR).\n * Ps = 0 -> Normal (default).\n * Ps = 1 -> Bold.\n * Ps = 4 -> Underlined.\n * Ps = 5 -> Blink (appears as Bold).\n * Ps = 7 -> Inverse.\n * Ps = 8 -> Invisible, i.e., hidden (VT300).\n * Ps = 2 2 -> Normal (neither bold nor faint).\n * Ps = 2 4 -> Not underlined.\n * Ps = 2 5 -> Steady (not blinking).\n * Ps = 2 7 -> Positive (not inverse).\n * Ps = 2 8 -> Visible, i.e., not hidden (VT300).\n * Ps = 3 0 -> Set foreground color to Black.\n * Ps = 3 1 -> Set foreground color to Red.\n * Ps = 3 2 -> Set foreground color to Green.\n * Ps = 3 3 -> Set foreground color to Yellow.\n * Ps = 3 4 -> Set foreground color to Blue.\n * Ps = 3 5 -> Set foreground color to Magenta.\n * Ps = 3 6 -> Set foreground color to Cyan.\n * Ps = 3 7 -> Set foreground color to White.\n * Ps = 3 9 -> Set foreground color to default (original).\n * Ps = 4 0 -> Set background color to Black.\n * Ps = 4 1 -> Set background color to Red.\n * Ps = 4 2 -> Set background color to Green.\n * Ps = 4 3 -> Set background color to Yellow.\n * Ps = 4 4 -> Set background color to Blue.\n * Ps = 4 5 -> Set background color to Magenta.\n * Ps = 4 6 -> Set background color to Cyan.\n * Ps = 4 7 -> Set background color to White.\n * Ps = 4 9 -> Set background color to default (original).\n *\n * If 16-color support is compiled, the following apply. Assume\n * that xterm's resources are set so that the ISO color codes are\n * the first 8 of a set of 16. Then the aixterm colors are the\n * bright versions of the ISO colors:\n * Ps = 9 0 -> Set foreground color to Black.\n * Ps = 9 1 -> Set foreground color to Red.\n * Ps = 9 2 -> Set foreground color to Green.\n * Ps = 9 3 -> Set foreground color to Yellow.\n * Ps = 9 4 -> Set foreground color to Blue.\n * Ps = 9 5 -> Set foreground color to Magenta.\n * Ps = 9 6 -> Set foreground color to Cyan.\n * Ps = 9 7 -> Set foreground color to White.\n * Ps = 1 0 0 -> Set background color to Black.\n * Ps = 1 0 1 -> Set background color to Red.\n * Ps = 1 0 2 -> Set background color to Green.\n * Ps = 1 0 3 -> Set background color to Yellow.\n * Ps = 1 0 4 -> Set background color to Blue.\n * Ps = 1 0 5 -> Set background color to Magenta.\n * Ps = 1 0 6 -> Set background color to Cyan.\n * Ps = 1 0 7 -> Set background color to White.\n *\n * If xterm is compiled with the 16-color support disabled, it\n * supports the following, from rxvt:\n * Ps = 1 0 0 -> Set foreground and background color to\n * default.\n *\n * If 88- or 256-color support is compiled, the following apply.\n * Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second\n * Ps.\n * Ps = 4 8 ; 5 ; Ps -> Set background color to the second\n * Ps.\n */\nTerminal.prototype.charAttributes = function(params) {\n // Optimize a single SGR0.\n if (params.length === 1 && params[0] === 0) {\n this.curAttr = this.defAttr;\n return;\n }\n\n var l = params.length\n , i = 0\n , flags = this.curAttr >> 18\n , fg = (this.curAttr >> 9) & 0x1ff\n , bg = this.curAttr & 0x1ff\n , p;\n\n for (; i < l; i++) {\n p = params[i];\n if (p >= 30 && p <= 37) {\n // fg color 8\n fg = p - 30;\n } else if (p >= 40 && p <= 47) {\n // bg color 8\n bg = p - 40;\n } else if (p >= 90 && p <= 97) {\n // fg color 16\n p += 8;\n fg = p - 90;\n } else if (p >= 100 && p <= 107) {\n // bg color 16\n p += 8;\n bg = p - 100;\n } else if (p === 0) {\n // default\n flags = this.defAttr >> 18;\n fg = (this.defAttr >> 9) & 0x1ff;\n bg = this.defAttr & 0x1ff;\n // flags = 0;\n // fg = 0x1ff;\n // bg = 0x1ff;\n } else if (p === 1) {\n // bold text\n flags |= 1;\n } else if (p === 4) {\n // underlined text\n flags |= 2;\n } else if (p === 5) {\n // blink\n flags |= 4;\n } else if (p === 7) {\n // inverse and positive\n // test with: echo -e '\\e[31m\\e[42mhello\\e[7mworld\\e[27mhi\\e[m'\n flags |= 8;\n } else if (p === 8) {\n // invisible\n flags |= 16;\n } else if (p === 22) {\n // not bold\n flags &= ~1;\n } else if (p === 24) {\n // not underlined\n flags &= ~2;\n } else if (p === 25) {\n // not blink\n flags &= ~4;\n } else if (p === 27) {\n // not inverse\n flags &= ~8;\n } else if (p === 28) {\n // not invisible\n flags &= ~16;\n } else if (p === 39) {\n // reset fg\n fg = (this.defAttr >> 9) & 0x1ff;\n } else if (p === 49) {\n // reset bg\n bg = this.defAttr & 0x1ff;\n } else if (p === 38) {\n // fg color 256\n if (params[i + 1] === 2) {\n i += 2;\n fg = matchColor(\n params[i] & 0xff,\n params[i + 1] & 0xff,\n params[i + 2] & 0xff);\n if (fg === -1) fg = 0x1ff;\n i += 2;\n } else if (params[i + 1] === 5) {\n i += 2;\n p = params[i] & 0xff;\n fg = p;\n }\n } else if (p === 48) {\n // bg color 256\n if (params[i + 1] === 2) {\n i += 2;\n bg = matchColor(\n params[i] & 0xff,\n params[i + 1] & 0xff,\n params[i + 2] & 0xff);\n if (bg === -1) bg = 0x1ff;\n i += 2;\n } else if (params[i + 1] === 5) {\n i += 2;\n p = params[i] & 0xff;\n bg = p;\n }\n } else if (p === 100) {\n // reset fg/bg\n fg = (this.defAttr >> 9) & 0x1ff;\n bg = this.defAttr & 0x1ff;\n } else {\n this.error('Unknown SGR attribute: %d.', p);\n }\n }\n\n this.curAttr = (flags << 18) | (fg << 9) | bg;\n};\n\n\n/**\n * CSI Ps n Device Status Report (DSR).\n * Ps = 5 -> Status Report. Result (``OK'') is\n * CSI 0 n\n * Ps = 6 -> Report Cursor Position (CPR) [row;column].\n * Result is\n * CSI r ; c R\n * CSI ? Ps n\n * Device Status Report (DSR, DEC-specific).\n * Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI\n * ? r ; c R (assumes page is zero).\n * Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready).\n * or CSI ? 1 1 n (not ready).\n * Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked)\n * or CSI ? 2 1 n (locked).\n * Ps = 2 6 -> Report Keyboard status as\n * CSI ? 2 7 ; 1 ; 0 ; 0 n (North American).\n * The last two parameters apply to VT400 & up, and denote key-\n * board ready and LK01 respectively.\n * Ps = 5 3 -> Report Locator status as\n * CSI ? 5 3 n Locator available, if compiled-in, or\n * CSI ? 5 0 n No Locator, if not.\n */\nTerminal.prototype.deviceStatus = function(params) {\n if (!this.prefix) {\n switch (params[0]) {\n case 5:\n // status report\n this.send('\\x1b[0n');\n break;\n case 6:\n // cursor position\n this.send('\\x1b['\n + (this.y + 1)\n + ';'\n + (this.x + 1)\n + 'R');\n break;\n }\n } else if (this.prefix === '?') {\n // modern xterm doesnt seem to\n // respond to any of these except ?6, 6, and 5\n switch (params[0]) {\n case 6:\n // cursor position\n this.send('\\x1b[?'\n + (this.y + 1)\n + ';'\n + (this.x + 1)\n + 'R');\n break;\n case 15:\n // no printer\n // this.send('\\x1b[?11n');\n break;\n case 25:\n // dont support user defined keys\n // this.send('\\x1b[?21n');\n break;\n case 26:\n // north american keyboard\n // this.send('\\x1b[?27;1;0;0n');\n break;\n case 53:\n // no dec locator/mouse\n // this.send('\\x1b[?50n');\n break;\n }\n }\n};\n\n\n/**\n * Additions\n */\n\n/**\n * CSI Ps @\n * Insert Ps (Blank) Character(s) (default = 1) (ICH).\n */\nTerminal.prototype.insertChars = function(params) {\n var param, row, j, ch;\n\n param = params[0];\n if (param < 1) param = 1;\n\n row = this.y + this.ybase;\n j = this.x;\n ch = [this.eraseAttr(), ' ', 1]; // xterm\n\n while (param-- && j < this.cols) {\n this.lines[row].splice(j++, 0, ch);\n this.lines[row].pop();\n }\n};\n\n/**\n * CSI Ps E\n * Cursor Next Line Ps Times (default = 1) (CNL).\n * same as CSI Ps B ?\n */\nTerminal.prototype.cursorNextLine = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y += param;\n if (this.y >= this.rows) {\n this.y = this.rows - 1;\n }\n this.x = 0;\n};\n\n\n/**\n * CSI Ps F\n * Cursor Preceding Line Ps Times (default = 1) (CNL).\n * reuse CSI Ps A ?\n */\nTerminal.prototype.cursorPrecedingLine = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y -= param;\n if (this.y < 0) this.y = 0;\n this.x = 0;\n};\n\n\n/**\n * CSI Ps G\n * Cursor Character Absolute [column] (default = [row,1]) (CHA).\n */\nTerminal.prototype.cursorCharAbsolute = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.x = param - 1;\n};\n\n\n/**\n * CSI Ps L\n * Insert Ps Line(s) (default = 1) (IL).\n */\nTerminal.prototype.insertLines = function(params) {\n var param, row, j;\n\n param = params[0];\n if (param < 1) param = 1;\n row = this.y + this.ybase;\n\n j = this.rows - 1 - this.scrollBottom;\n j = this.rows - 1 + this.ybase - j + 1;\n\n while (param--) {\n // test: echo -e '\\e[44m\\e[1L\\e[0m'\n // blankLine(true) - xterm/linux behavior\n this.lines.splice(row, 0, this.blankLine(true));\n this.lines.splice(j, 1);\n }\n\n // this.maxRange();\n this.updateRange(this.y);\n this.updateRange(this.scrollBottom);\n};\n\n\n/**\n * CSI Ps M\n * Delete Ps Line(s) (default = 1) (DL).\n */\nTerminal.prototype.deleteLines = function(params) {\n var param, row, j;\n\n param = params[0];\n if (param < 1) param = 1;\n row = this.y + this.ybase;\n\n j = this.rows - 1 - this.scrollBottom;\n j = this.rows - 1 + this.ybase - j;\n\n while (param--) {\n // test: echo -e '\\e[44m\\e[1M\\e[0m'\n // blankLine(true) - xterm/linux behavior\n this.lines.splice(j + 1, 0, this.blankLine(true));\n this.lines.splice(row, 1);\n }\n\n // this.maxRange();\n this.updateRange(this.y);\n this.updateRange(this.scrollBottom);\n};\n\n\n/**\n * CSI Ps P\n * Delete Ps Character(s) (default = 1) (DCH).\n */\nTerminal.prototype.deleteChars = function(params) {\n var param, row, ch;\n\n param = params[0];\n if (param < 1) param = 1;\n\n row = this.y + this.ybase;\n ch = [this.eraseAttr(), ' ', 1]; // xterm\n\n while (param--) {\n this.lines[row].splice(this.x, 1);\n this.lines[row].push(ch);\n }\n};\n\n/**\n * CSI Ps X\n * Erase Ps Character(s) (default = 1) (ECH).\n */\nTerminal.prototype.eraseChars = function(params) {\n var param, row, j, ch;\n\n param = params[0];\n if (param < 1) param = 1;\n\n row = this.y + this.ybase;\n j = this.x;\n ch = [this.eraseAttr(), ' ', 1]; // xterm\n\n while (param-- && j < this.cols) {\n this.lines[row][j++] = ch;\n }\n};\n\n/**\n * CSI Pm ` Character Position Absolute\n * [column] (default = [row,1]) (HPA).\n */\nTerminal.prototype.charPosAbsolute = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.x = param - 1;\n if (this.x >= this.cols) {\n this.x = this.cols - 1;\n }\n};\n\n\n/**\n * 141 61 a * HPR -\n * Horizontal Position Relative\n * reuse CSI Ps C ?\n */\nTerminal.prototype.HPositionRelative = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.x += param;\n if (this.x >= this.cols) {\n this.x = this.cols - 1;\n }\n};\n\n\n/**\n * CSI Ps c Send Device Attributes (Primary DA).\n * Ps = 0 or omitted -> request attributes from terminal. The\n * response depends on the decTerminalID resource setting.\n * -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'')\n * -> CSI ? 1 ; 0 c (``VT101 with No Options'')\n * -> CSI ? 6 c (``VT102'')\n * -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'')\n * The VT100-style response parameters do not mean anything by\n * themselves. VT220 parameters do, telling the host what fea-\n * tures the terminal supports:\n * Ps = 1 -> 132-columns.\n * Ps = 2 -> Printer.\n * Ps = 6 -> Selective erase.\n * Ps = 8 -> User-defined keys.\n * Ps = 9 -> National replacement character sets.\n * Ps = 1 5 -> Technical characters.\n * Ps = 2 2 -> ANSI color, e.g., VT525.\n * Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode).\n * CSI > Ps c\n * Send Device Attributes (Secondary DA).\n * Ps = 0 or omitted -> request the terminal's identification\n * code. The response depends on the decTerminalID resource set-\n * ting. It should apply only to VT220 and up, but xterm extends\n * this to VT100.\n * -> CSI > Pp ; Pv ; Pc c\n * where Pp denotes the terminal type\n * Pp = 0 -> ``VT100''.\n * Pp = 1 -> ``VT220''.\n * and Pv is the firmware version (for xterm, this was originally\n * the XFree86 patch number, starting with 95). In a DEC termi-\n * nal, Pc indicates the ROM cartridge registration number and is\n * always zero.\n * More information:\n * xterm/charproc.c - line 2012, for more information.\n * vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)\n */\nTerminal.prototype.sendDeviceAttributes = function(params) {\n if (params[0] > 0) return;\n\n if (!this.prefix) {\n if (this.is('xterm')\n || this.is('rxvt-unicode')\n || this.is('screen')) {\n this.send('\\x1b[?1;2c');\n } else if (this.is('linux')) {\n this.send('\\x1b[?6c');\n }\n } else if (this.prefix === '>') {\n // xterm and urxvt\n // seem to spit this\n // out around ~370 times (?).\n if (this.is('xterm')) {\n this.send('\\x1b[>0;276;0c');\n } else if (this.is('rxvt-unicode')) {\n this.send('\\x1b[>85;95;0c');\n } else if (this.is('linux')) {\n // not supported by linux console.\n // linux console echoes parameters.\n this.send(params[0] + 'c');\n } else if (this.is('screen')) {\n this.send('\\x1b[>83;40003;0c');\n }\n }\n};\n\n\n/**\n * CSI Pm d\n * Line Position Absolute [row] (default = [1,column]) (VPA).\n */\nTerminal.prototype.linePosAbsolute = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y = param - 1;\n if (this.y >= this.rows) {\n this.y = this.rows - 1;\n }\n};\n\n\n/**\n * 145 65 e * VPR - Vertical Position Relative\n * reuse CSI Ps B ?\n */\nTerminal.prototype.VPositionRelative = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y += param;\n if (this.y >= this.rows) {\n this.y = this.rows - 1;\n }\n};\n\n\n/**\n * CSI Ps ; Ps f\n * Horizontal and Vertical Position [row;column] (default =\n * [1,1]) (HVP).\n */\nTerminal.prototype.HVPosition = function(params) {\n if (params[0] < 1) params[0] = 1;\n if (params[1] < 1) params[1] = 1;\n\n this.y = params[0] - 1;\n if (this.y >= this.rows) {\n this.y = this.rows - 1;\n }\n\n this.x = params[1] - 1;\n if (this.x >= this.cols) {\n this.x = this.cols - 1;\n }\n};\n\n\n/**\n * CSI Pm h Set Mode (SM).\n * Ps = 2 -> Keyboard Action Mode (AM).\n * Ps = 4 -> Insert Mode (IRM).\n * Ps = 1 2 -> Send/receive (SRM).\n * Ps = 2 0 -> Automatic Newline (LNM).\n * CSI ? Pm h\n * DEC Private Mode Set (DECSET).\n * Ps = 1 -> Application Cursor Keys (DECCKM).\n * Ps = 2 -> Designate USASCII for character sets G0-G3\n * (DECANM), and set VT100 mode.\n * Ps = 3 -> 132 Column Mode (DECCOLM).\n * Ps = 4 -> Smooth (Slow) Scroll (DECSCLM).\n * Ps = 5 -> Reverse Video (DECSCNM).\n * Ps = 6 -> Origin Mode (DECOM).\n * Ps = 7 -> Wraparound Mode (DECAWM).\n * Ps = 8 -> Auto-repeat Keys (DECARM).\n * Ps = 9 -> Send Mouse X & Y on button press. See the sec-\n * tion Mouse Tracking.\n * Ps = 1 0 -> Show toolbar (rxvt).\n * Ps = 1 2 -> Start Blinking Cursor (att610).\n * Ps = 1 8 -> Print form feed (DECPFF).\n * Ps = 1 9 -> Set print extent to full screen (DECPEX).\n * Ps = 2 5 -> Show Cursor (DECTCEM).\n * Ps = 3 0 -> Show scrollbar (rxvt).\n * Ps = 3 5 -> Enable font-shifting functions (rxvt).\n * Ps = 3 8 -> Enter Tektronix Mode (DECTEK).\n * Ps = 4 0 -> Allow 80 -> 132 Mode.\n * Ps = 4 1 -> more(1) fix (see curses resource).\n * Ps = 4 2 -> Enable Nation Replacement Character sets (DECN-\n * RCM).\n * Ps = 4 4 -> Turn On Margin Bell.\n * Ps = 4 5 -> Reverse-wraparound Mode.\n * Ps = 4 6 -> Start Logging. This is normally disabled by a\n * compile-time option.\n * Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis-\n * abled by the titeInhibit resource).\n * Ps = 6 6 -> Application keypad (DECNKM).\n * Ps = 6 7 -> Backarrow key sends backspace (DECBKM).\n * Ps = 1 0 0 0 -> Send Mouse X & Y on button press and\n * release. See the section Mouse Tracking.\n * Ps = 1 0 0 1 -> Use Hilite Mouse Tracking.\n * Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking.\n * Ps = 1 0 0 3 -> Use All Motion Mouse Tracking.\n * Ps = 1 0 0 4 -> Send FocusIn/FocusOut events.\n * Ps = 1 0 0 5 -> Enable Extended Mouse Mode.\n * Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt).\n * Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt).\n * Ps = 1 0 3 4 -> Interpret \"meta\" key, sets eighth bit.\n * (enables the eightBitInput resource).\n * Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num-\n * Lock keys. (This enables the numLock resource).\n * Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This\n * enables the metaSendsEscape resource).\n * Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete\n * key.\n * Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This\n * enables the altSendsEscape resource).\n * Ps = 1 0 4 0 -> Keep selection even if not highlighted.\n * (This enables the keepSelection resource).\n * Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables\n * the selectToClipboard resource).\n * Ps = 1 0 4 2 -> Enable Urgency window manager hint when\n * Control-G is received. (This enables the bellIsUrgent\n * resource).\n * Ps = 1 0 4 3 -> Enable raising of the window when Control-G\n * is received. (enables the popOnBell resource).\n * Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be\n * disabled by the titeInhibit resource).\n * Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis-\n * abled by the titeInhibit resource).\n * Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate\n * Screen Buffer, clearing it first. (This may be disabled by\n * the titeInhibit resource). This combines the effects of the 1\n * 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based\n * applications rather than the 4 7 mode.\n * Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode.\n * Ps = 1 0 5 1 -> Set Sun function-key mode.\n * Ps = 1 0 5 2 -> Set HP function-key mode.\n * Ps = 1 0 5 3 -> Set SCO function-key mode.\n * Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6).\n * Ps = 1 0 6 1 -> Set VT220 keyboard emulation.\n * Ps = 2 0 0 4 -> Set bracketed paste mode.\n * Modes:\n * http: *vt100.net/docs/vt220-rm/chapter4.html\n */\nTerminal.prototype.setMode = function(params) {\n if (typeof params === 'object') {\n var l = params.length\n , i = 0;\n\n for (; i < l; i++) {\n this.setMode(params[i]);\n }\n\n return;\n }\n\n if (!this.prefix) {\n switch (params) {\n case 4:\n this.insertMode = true;\n break;\n case 20:\n //this.convertEol = true;\n break;\n }\n } else if (this.prefix === '?') {\n switch (params) {\n case 1:\n this.applicationCursor = true;\n break;\n case 2:\n this.setgCharset(0, Terminal.charsets.US);\n this.setgCharset(1, Terminal.charsets.US);\n this.setgCharset(2, Terminal.charsets.US);\n this.setgCharset(3, Terminal.charsets.US);\n // set VT100 mode here\n break;\n case 3: // 132 col mode\n this.savedCols = this.cols;\n this.resize(132, this.rows);\n break;\n case 6:\n this.originMode = true;\n break;\n case 7:\n this.wraparoundMode = true;\n break;\n case 12:\n // this.cursorBlink = true;\n break;\n case 66:\n this.log('Serial port requested application keypad.');\n this.applicationKeypad = true;\n this.viewport.syncScrollArea();\n break;\n case 9: // X10 Mouse\n // no release, no motion, no wheel, no modifiers.\n case 1000: // vt200 mouse\n // no motion.\n // no modifiers, except control on the wheel.\n case 1002: // button event mouse\n case 1003: // any event mouse\n // any event - sends motion events,\n // even if there is no button held down.\n this.x10Mouse = params === 9;\n this.vt200Mouse = params === 1000;\n this.normalMouse = params > 1000;\n this.mouseEvents = true;\n this.element.style.cursor = 'default';\n this.log('Binding to mouse events.');\n break;\n case 1004: // send focusin/focusout events\n // focusin: ^[[I\n // focusout: ^[[O\n this.sendFocus = true;\n break;\n case 1005: // utf8 ext mode mouse\n this.utfMouse = true;\n // for wide terminals\n // simply encodes large values as utf8 characters\n break;\n case 1006: // sgr ext mode mouse\n this.sgrMouse = true;\n // for wide terminals\n // does not add 32 to fields\n // press: ^[[<b;x;yM\n // release: ^[[<b;x;ym\n break;\n case 1015: // urxvt ext mode mouse\n this.urxvtMouse = true;\n // for wide terminals\n // numbers for fields\n // press: ^[[b;x;yM\n // motion: ^[[b;x;yT\n break;\n case 25: // show cursor\n this.cursorHidden = false;\n break;\n case 1049: // alt screen buffer cursor\n //this.saveCursor();\n ; // FALL-THROUGH\n case 47: // alt screen buffer\n case 1047: // alt screen buffer\n if (!this.normal) {\n var normal = {\n lines: this.lines,\n ybase: this.ybase,\n ydisp: this.ydisp,\n x: this.x,\n y: this.y,\n scrollTop: this.scrollTop,\n scrollBottom: this.scrollBottom,\n tabs: this.tabs\n // XXX save charset(s) here?\n // charset: this.charset,\n // glevel: this.glevel,\n // charsets: this.charsets\n };\n this.reset();\n this.normal = normal;\n this.showCursor();\n }\n break;\n }\n }\n};\n\n/**\n * CSI Pm l Reset Mode (RM).\n * Ps = 2 -> Keyboard Action Mode (AM).\n * Ps = 4 -> Replace Mode (IRM).\n * Ps = 1 2 -> Send/receive (SRM).\n * Ps = 2 0 -> Normal Linefeed (LNM).\n * CSI ? Pm l\n * DEC Private Mode Reset (DECRST).\n * Ps = 1 -> Normal Cursor Keys (DECCKM).\n * Ps = 2 -> Designate VT52 mode (DECANM).\n * Ps = 3 -> 80 Column Mode (DECCOLM).\n * Ps = 4 -> Jump (Fast) Scroll (DECSCLM).\n * Ps = 5 -> Normal Video (DECSCNM).\n * Ps = 6 -> Normal Cursor Mode (DECOM).\n * Ps = 7 -> No Wraparound Mode (DECAWM).\n * Ps = 8 -> No Auto-repeat Keys (DECARM).\n * Ps = 9 -> Don't send Mouse X & Y on button press.\n * Ps = 1 0 -> Hide toolbar (rxvt).\n * Ps = 1 2 -> Stop Blinking Cursor (att610).\n * Ps = 1 8 -> Don't print form feed (DECPFF).\n * Ps = 1 9 -> Limit print to scrolling region (DECPEX).\n * Ps = 2 5 -> Hide Cursor (DECTCEM).\n * Ps = 3 0 -> Don't show scrollbar (rxvt).\n * Ps = 3 5 -> Disable font-shifting functions (rxvt).\n * Ps = 4 0 -> Disallow 80 -> 132 Mode.\n * Ps = 4 1 -> No more(1) fix (see curses resource).\n * Ps = 4 2 -> Disable Nation Replacement Character sets (DEC-\n * NRCM).\n * Ps = 4 4 -> Turn Off Margin Bell.\n * Ps = 4 5 -> No Reverse-wraparound Mode.\n * Ps = 4 6 -> Stop Logging. (This is normally disabled by a\n * compile-time option).\n * Ps = 4 7 -> Use Normal Screen Buffer.\n * Ps = 6 6 -> Numeric keypad (DECNKM).\n * Ps = 6 7 -> Backarrow key sends delete (DECBKM).\n * Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and\n * release. See the section Mouse Tracking.\n * Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking.\n * Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking.\n * Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking.\n * Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events.\n * Ps = 1 0 0 5 -> Disable Extended Mouse Mode.\n * Ps = 1 0 1 0 -> Don't scroll to bottom on tty output\n * (rxvt).\n * Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt).\n * Ps = 1 0 3 4 -> Don't interpret \"meta\" key. (This disables\n * the eightBitInput resource).\n * Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num-\n * Lock keys. (This disables the numLock resource).\n * Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key.\n * (This disables the metaSendsEscape resource).\n * Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad\n * Delete key.\n * Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key.\n * (This disables the altSendsEscape resource).\n * Ps = 1 0 4 0 -> Do not keep selection when not highlighted.\n * (This disables the keepSelection resource).\n * Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables\n * the selectToClipboard resource).\n * Ps = 1 0 4 2 -> Disable Urgency window manager hint when\n * Control-G is received. (This disables the bellIsUrgent\n * resource).\n * Ps = 1 0 4 3 -> Disable raising of the window when Control-\n * G is received. (This disables the popOnBell resource).\n * Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen\n * first if in the Alternate Screen. (This may be disabled by\n * the titeInhibit resource).\n * Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be\n * disabled by the titeInhibit resource).\n * Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor\n * as in DECRC. (This may be disabled by the titeInhibit\n * resource). This combines the effects of the 1 0 4 7 and 1 0\n * 4 8 modes. Use this with terminfo-based applications rather\n * than the 4 7 mode.\n * Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode.\n * Ps = 1 0 5 1 -> Reset Sun function-key mode.\n * Ps = 1 0 5 2 -> Reset HP function-key mode.\n * Ps = 1 0 5 3 -> Reset SCO function-key mode.\n * Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6).\n * Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style.\n * Ps = 2 0 0 4 -> Reset bracketed paste mode.\n */\nTerminal.prototype.resetMode = function(params) {\n if (typeof params === 'object') {\n var l = params.length\n , i = 0;\n\n for (; i < l; i++) {\n this.resetMode(params[i]);\n }\n\n return;\n }\n\n if (!this.prefix) {\n switch (params) {\n case 4:\n this.insertMode = false;\n break;\n case 20:\n //this.convertEol = false;\n break;\n }\n } else if (this.prefix === '?') {\n switch (params) {\n case 1:\n this.applicationCursor = false;\n break;\n case 3:\n if (this.cols === 132 && this.savedCols) {\n this.resize(this.savedCols, this.rows);\n }\n delete this.savedCols;\n break;\n case 6:\n this.originMode = false;\n break;\n case 7:\n this.wraparoundMode = false;\n break;\n case 12:\n // this.cursorBlink = false;\n break;\n case 66:\n this.log('Switching back to normal keypad.');\n this.applicationKeypad = false;\n this.viewport.syncScrollArea();\n break;\n case 9: // X10 Mouse\n case 1000: // vt200 mouse\n case 1002: // button event mouse\n case 1003: // any event mouse\n this.x10Mouse = false;\n this.vt200Mouse = false;\n this.normalMouse = false;\n this.mouseEvents = false;\n this.element.style.cursor = '';\n break;\n case 1004: // send focusin/focusout events\n this.sendFocus = false;\n break;\n case 1005: // utf8 ext mode mouse\n this.utfMouse = false;\n break;\n case 1006: // sgr ext mode mouse\n this.sgrMouse = false;\n break;\n case 1015: // urxvt ext mode mouse\n this.urxvtMouse = false;\n break;\n case 25: // hide cursor\n this.cursorHidden = true;\n break;\n case 1049: // alt screen buffer cursor\n ; // FALL-THROUGH\n case 47: // normal screen buffer\n case 1047: // normal screen buffer - clearing it first\n if (this.normal) {\n this.lines = this.normal.lines;\n this.ybase = this.normal.ybase;\n this.ydisp = this.normal.ydisp;\n this.x = this.normal.x;\n this.y = this.normal.y;\n this.scrollTop = this.normal.scrollTop;\n this.scrollBottom = this.normal.scrollBottom;\n this.tabs = this.normal.tabs;\n this.normal = null;\n // if (params === 1049) {\n // this.x = this.savedX;\n // this.y = this.savedY;\n // }\n this.refresh(0, this.rows - 1);\n this.showCursor();\n }\n break;\n }\n }\n};\n\n\n/**\n * CSI Ps ; Ps r\n * Set Scrolling Region [top;bottom] (default = full size of win-\n * dow) (DECSTBM).\n * CSI ? Pm r\n */\nTerminal.prototype.setScrollRegion = function(params) {\n if (this.prefix) return;\n this.scrollTop = (params[0] || 1) - 1;\n this.scrollBottom = (params[1] || this.rows) - 1;\n this.x = 0;\n this.y = 0;\n};\n\n\n/**\n * CSI s\n * Save cursor (ANSI.SYS).\n */\nTerminal.prototype.saveCursor = function(params) {\n this.savedX = this.x;\n this.savedY = this.y;\n};\n\n\n/**\n * CSI u\n * Restore cursor (ANSI.SYS).\n */\nTerminal.prototype.restoreCursor = function(params) {\n this.x = this.savedX || 0;\n this.y = this.savedY || 0;\n};\n\n\n/**\n * Lesser Used\n */\n\n/**\n * CSI Ps I\n * Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).\n */\nTerminal.prototype.cursorForwardTab = function(params) {\n var param = params[0] || 1;\n while (param--) {\n this.x = this.nextStop();\n }\n};\n\n\n/**\n * CSI Ps S Scroll up Ps lines (default = 1) (SU).\n */\nTerminal.prototype.scrollUp = function(params) {\n var param = params[0] || 1;\n while (param--) {\n this.lines.splice(this.ybase + this.scrollTop, 1);\n this.lines.splice(this.ybase + this.scrollBottom, 0, this.blankLine());\n }\n // this.maxRange();\n this.updateRange(this.scrollTop);\n this.updateRange(this.scrollBottom);\n};\n\n\n/**\n * CSI Ps T Scroll down Ps lines (default = 1) (SD).\n */\nTerminal.prototype.scrollDown = function(params) {\n var param = params[0] || 1;\n while (param--) {\n this.lines.splice(this.ybase + this.scrollBottom, 1);\n this.lines.splice(this.ybase + this.scrollTop, 0, this.blankLine());\n }\n // this.maxRange();\n this.updateRange(this.scrollTop);\n this.updateRange(this.scrollBottom);\n};\n\n\n/**\n * CSI Ps ; Ps ; Ps ; Ps ; Ps T\n * Initiate highlight mouse tracking. Parameters are\n * [func;startx;starty;firstrow;lastrow]. See the section Mouse\n * Tracking.\n */\nTerminal.prototype.initMouseTracking = function(params) {\n // Relevant: DECSET 1001\n};\n\n\n/**\n * CSI > Ps; Ps T\n * Reset one or more features of the title modes to the default\n * value. Normally, \"reset\" disables the feature. It is possi-\n * ble to disable the ability to reset features by compiling a\n * different default for the title modes into xterm.\n * Ps = 0 -> Do not set window/icon labels using hexadecimal.\n * Ps = 1 -> Do not query window/icon labels using hexadeci-\n * mal.\n * Ps = 2 -> Do not set window/icon labels using UTF-8.\n * Ps = 3 -> Do not query window/icon labels using UTF-8.\n * (See discussion of \"Title Modes\").\n */\nTerminal.prototype.resetTitleModes = function(params) {\n ;\n};\n\n\n/**\n * CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).\n */\nTerminal.prototype.cursorBackwardTab = function(params) {\n var param = params[0] || 1;\n while (param--) {\n this.x = this.prevStop();\n }\n};\n\n\n/**\n * CSI Ps b Repeat the preceding graphic character Ps times (REP).\n */\nTerminal.prototype.repeatPrecedingCharacter = function(params) {\n var param = params[0] || 1\n , line = this.lines[this.ybase + this.y]\n , ch = line[this.x - 1] || [this.defAttr, ' ', 1];\n\n while (param--) line[this.x++] = ch;\n};\n\n\n/**\n * CSI Ps g Tab Clear (TBC).\n * Ps = 0 -> Clear Current Column (default).\n * Ps = 3 -> Clear All.\n * Potentially:\n * Ps = 2 -> Clear Stops on Line.\n * http://vt100.net/annarbor/aaa-ug/section6.html\n */\nTerminal.prototype.tabClear = function(params) {\n var param = params[0];\n if (param <= 0) {\n delete this.tabs[this.x];\n } else if (param === 3) {\n this.tabs = {};\n }\n};\n\n\n/**\n * CSI Pm i Media Copy (MC).\n * Ps = 0 -> Print screen (default).\n * Ps = 4 -> Turn off printer controller mode.\n * Ps = 5 -> Turn on printer controller mode.\n * CSI ? Pm i\n * Media Copy (MC, DEC-specific).\n * Ps = 1 -> Print line containing cursor.\n * Ps = 4 -> Turn off autoprint mode.\n * Ps = 5 -> Turn on autoprint mode.\n * Ps = 1 0 -> Print composed display, ignores DECPEX.\n * Ps = 1 1 -> Print all pages.\n */\nTerminal.prototype.mediaCopy = function(params) {\n ;\n};\n\n\n/**\n * CSI > Ps; Ps m\n * Set or reset resource-values used by xterm to decide whether\n * to construct escape sequences holding information about the\n * modifiers pressed with a given key. The first parameter iden-\n * tifies the resource to set/reset. The second parameter is the\n * value to assign to the resource. If the second parameter is\n * omitted, the resource is reset to its initial value.\n * Ps = 1 -> modifyCursorKeys.\n * Ps = 2 -> modifyFunctionKeys.\n * Ps = 4 -> modifyOtherKeys.\n * If no parameters are given, all resources are reset to their\n * initial values.\n */\nTerminal.prototype.setResources = function(params) {\n ;\n};\n\n\n/**\n * CSI > Ps n\n * Disable modifiers which may be enabled via the CSI > Ps; Ps m\n * sequence. This corresponds to a resource value of \"-1\", which\n * cannot be set with the other sequence. The parameter identi-\n * fies the resource to be disabled:\n * Ps = 1 -> modifyCursorKeys.\n * Ps = 2 -> modifyFunctionKeys.\n * Ps = 4 -> modifyOtherKeys.\n * If the parameter is omitted, modifyFunctionKeys is disabled.\n * When modifyFunctionKeys is disabled, xterm uses the modifier\n * keys to make an extended sequence of functions rather than\n * adding a parameter to each function key to denote the modi-\n * fiers.\n */\nTerminal.prototype.disableModifiers = function(params) {\n ;\n};\n\n\n/**\n * CSI > Ps p\n * Set resource value pointerMode. This is used by xterm to\n * decide whether to hide the pointer cursor as the user types.\n * Valid values for the parameter:\n * Ps = 0 -> never hide the pointer.\n * Ps = 1 -> hide if the mouse tracking mode is not enabled.\n * Ps = 2 -> always hide the pointer. If no parameter is\n * given, xterm uses the default, which is 1 .\n */\nTerminal.prototype.setPointerMode = function(params) {\n ;\n};\n\n\n/**\n * CSI ! p Soft terminal reset (DECSTR).\n * http://vt100.net/docs/vt220-rm/table4-10.html\n */\nTerminal.prototype.softReset = function(params) {\n this.cursorHidden = false;\n this.insertMode = false;\n this.originMode = false;\n this.wraparoundMode = false; // autowrap\n this.applicationKeypad = false; // ?\n this.viewport.syncScrollArea();\n this.applicationCursor = false;\n this.scrollTop = 0;\n this.scrollBottom = this.rows - 1;\n this.curAttr = this.defAttr;\n this.x = this.y = 0; // ?\n this.charset = null;\n this.glevel = 0; // ??\n this.charsets = [null]; // ??\n};\n\n\n/**\n * CSI Ps$ p\n * Request ANSI mode (DECRQM). For VT300 and up, reply is\n * CSI Ps; Pm$ y\n * where Ps is the mode number as in RM, and Pm is the mode\n * value:\n * 0 - not recognized\n * 1 - set\n * 2 - reset\n * 3 - permanently set\n * 4 - permanently reset\n */\nTerminal.prototype.requestAnsiMode = function(params) {\n ;\n};\n\n\n/**\n * CSI ? Ps$ p\n * Request DEC private mode (DECRQM). For VT300 and up, reply is\n * CSI ? Ps; Pm$ p\n * where Ps is the mode number as in DECSET, Pm is the mode value\n * as in the ANSI DECRQM.\n */\nTerminal.prototype.requestPrivateMode = function(params) {\n ;\n};\n\n\n/**\n * CSI Ps ; Ps \" p\n * Set conformance level (DECSCL). Valid values for the first\n * parameter:\n * Ps = 6 1 -> VT100.\n * Ps = 6 2 -> VT200.\n * Ps = 6 3 -> VT300.\n * Valid values for the second parameter:\n * Ps = 0 -> 8-bit controls.\n * Ps = 1 -> 7-bit controls (always set for VT100).\n * Ps = 2 -> 8-bit controls.\n */\nTerminal.prototype.setConformanceLevel = function(params) {\n ;\n};\n\n\n/**\n * CSI Ps q Load LEDs (DECLL).\n * Ps = 0 -> Clear all LEDS (default).\n * Ps = 1 -> Light Num Lock.\n * Ps = 2 -> Light Caps Lock.\n * Ps = 3 -> Light Scroll Lock.\n * Ps = 2 1 -> Extinguish Num Lock.\n * Ps = 2 2 -> Extinguish Caps Lock.\n * Ps = 2 3 -> Extinguish Scroll Lock.\n */\nTerminal.prototype.loadLEDs = function(params) {\n ;\n};\n\n\n/**\n * CSI Ps SP q\n * Set cursor style (DECSCUSR, VT520).\n * Ps = 0 -> blinking block.\n * Ps = 1 -> blinking block (default).\n * Ps = 2 -> steady block.\n * Ps = 3 -> blinking underline.\n * Ps = 4 -> steady underline.\n */\nTerminal.prototype.setCursorStyle = function(params) {\n ;\n};\n\n\n/**\n * CSI Ps \" q\n * Select character protection attribute (DECSCA). Valid values\n * for the parameter:\n * Ps = 0 -> DECSED and DECSEL can erase (default).\n * Ps = 1 -> DECSED and DECSEL cannot erase.\n * Ps = 2 -> DECSED and DECSEL can erase.\n */\nTerminal.prototype.setCharProtectionAttr = function(params) {\n ;\n};\n\n\n/**\n * CSI ? Pm r\n * Restore DEC Private Mode Values. The value of Ps previously\n * saved is restored. Ps values are the same as for DECSET.\n */\nTerminal.prototype.restorePrivateValues = function(params) {\n ;\n};\n\n\n/**\n * CSI Pt; Pl; Pb; Pr; Ps$ r\n * Change Attributes in Rectangular Area (DECCARA), VT400 and up.\n * Pt; Pl; Pb; Pr denotes the rectangle.\n * Ps denotes the SGR attributes to change: 0, 1, 4, 5, 7.\n * NOTE: xterm doesn't enable this code by default.\n */\nTerminal.prototype.setAttrInRectangle = function(params) {\n var t = params[0]\n , l = params[1]\n , b = params[2]\n , r = params[3]\n , attr = params[4];\n\n var line\n , i;\n\n for (; t < b + 1; t++) {\n line = this.lines[this.ybase + t];\n for (i = l; i < r; i++) {\n line[i] = [attr, line[i][1]];\n }\n }\n\n // this.maxRange();\n this.updateRange(params[0]);\n this.updateRange(params[2]);\n};\n\n\n/**\n * CSI Pc; Pt; Pl; Pb; Pr$ x\n * Fill Rectangular Area (DECFRA), VT420 and up.\n * Pc is the character to use.\n * Pt; Pl; Pb; Pr denotes the rectangle.\n * NOTE: xterm doesn't enable this code by default.\n */\nTerminal.prototype.fillRectangle = function(params) {\n var ch = params[0]\n , t = params[1]\n , l = params[2]\n , b = params[3]\n , r = params[4];\n\n var line\n , i;\n\n for (; t < b + 1; t++) {\n line = this.lines[this.ybase + t];\n for (i = l; i < r; i++) {\n line[i] = [line[i][0], String.fromCharCode(ch)];\n }\n }\n\n // this.maxRange();\n this.updateRange(params[1]);\n this.updateRange(params[3]);\n};\n\n\n/**\n * CSI Ps ; Pu ' z\n * Enable Locator Reporting (DECELR).\n * Valid values for the first parameter:\n * Ps = 0 -> Locator disabled (default).\n * Ps = 1 -> Locator enabled.\n * Ps = 2 -> Locator enabled for one report, then disabled.\n * The second parameter specifies the coordinate unit for locator\n * reports.\n * Valid values for the second parameter:\n * Pu = 0 <- or omitted -> default to character cells.\n * Pu = 1 <- device physical pixels.\n * Pu = 2 <- character cells.\n */\nTerminal.prototype.enableLocatorReporting = function(params) {\n var val = params[0] > 0;\n //this.mouseEvents = val;\n //this.decLocator = val;\n};\n\n\n/**\n * CSI Pt; Pl; Pb; Pr$ z\n * Erase Rectangular Area (DECERA), VT400 and up.\n * Pt; Pl; Pb; Pr denotes the rectangle.\n * NOTE: xterm doesn't enable this code by default.\n */\nTerminal.prototype.eraseRectangle = function(params) {\n var t = params[0]\n , l = params[1]\n , b = params[2]\n , r = params[3];\n\n var line\n , i\n , ch;\n\n ch = [this.eraseAttr(), ' ', 1]; // xterm?\n\n for (; t < b + 1; t++) {\n line = this.lines[this.ybase + t];\n for (i = l; i < r; i++) {\n line[i] = ch;\n }\n }\n\n // this.maxRange();\n this.updateRange(params[0]);\n this.updateRange(params[2]);\n};\n\n\n/**\n * CSI P m SP }\n * Insert P s Column(s) (default = 1) (DECIC), VT420 and up.\n * NOTE: xterm doesn't enable this code by default.\n */\nTerminal.prototype.insertColumns = function() {\n var param = params[0]\n , l = this.ybase + this.rows\n , ch = [this.eraseAttr(), ' ', 1] // xterm?\n , i;\n\n while (param--) {\n for (i = this.ybase; i < l; i++) {\n this.lines[i].splice(this.x + 1, 0, ch);\n this.lines[i].pop();\n }\n }\n\n this.maxRange();\n};\n\n\n/**\n * CSI P m SP ~\n * Delete P s Column(s) (default = 1) (DECDC), VT420 and up\n * NOTE: xterm doesn't enable this code by default.\n */\nTerminal.prototype.deleteColumns = function() {\n var param = params[0]\n , l = this.ybase + this.rows\n , ch = [this.eraseAttr(), ' ', 1] // xterm?\n , i;\n\n while (param--) {\n for (i = this.ybase; i < l; i++) {\n this.lines[i].splice(this.x, 1);\n this.lines[i].push(ch);\n }\n }\n\n this.maxRange();\n};\n\n/**\n * Character Sets\n */\n\nTerminal.charsets = {};\n\n// DEC Special Character and Line Drawing Set.\n// http://vt100.net/docs/vt102-ug/table5-13.html\n// A lot of curses apps use this if they see TERM=xterm.\n// testing: echo -e '\\e(0a\\e(B'\n// The xterm output sometimes seems to conflict with the\n// reference above. xterm seems in line with the reference\n// when running vttest however.\n// The table below now uses xterm's output from vttest.\nTerminal.charsets.SCLD = { // (0\n '`': '\\u25c6', // '◆'\n 'a': '\\u2592', // '▒'\n 'b': '\\u0009', // '\\t'\n 'c': '\\u000c', // '\\f'\n 'd': '\\u000d', // '\\r'\n 'e': '\\u000a', // '\\n'\n 'f': '\\u00b0', // '°'\n 'g': '\\u00b1', // '±'\n 'h': '\\u2424', // '\\u2424' (NL)\n 'i': '\\u000b', // '\\v'\n 'j': '\\u2518', // '┘'\n 'k': '\\u2510', // '┐'\n 'l': '\\u250c', // '┌'\n 'm': '\\u2514', // '└'\n 'n': '\\u253c', // '┼'\n 'o': '\\u23ba', // '⎺'\n 'p': '\\u23bb', // '⎻'\n 'q': '\\u2500', // '─'\n 'r': '\\u23bc', // '⎼'\n 's': '\\u23bd', // '⎽'\n 't': '\\u251c', // '├'\n 'u': '\\u2524', // '┤'\n 'v': '\\u2534', // '┴'\n 'w': '\\u252c', // '┬'\n 'x': '\\u2502', // '│'\n 'y': '\\u2264', // '≤'\n 'z': '\\u2265', // '≥'\n '{': '\\u03c0', // 'π'\n '|': '\\u2260', // '≠'\n '}': '\\u00a3', // '£'\n '~': '\\u00b7' // '·'\n};\n\nTerminal.charsets.UK = null; // (A\nTerminal.charsets.US = null; // (B (USASCII)\nTerminal.charsets.Dutch = null; // (4\nTerminal.charsets.Finnish = null; // (C or (5\nTerminal.charsets.French = null; // (R\nTerminal.charsets.FrenchCanadian = null; // (Q\nTerminal.charsets.German = null; // (K\nTerminal.charsets.Italian = null; // (Y\nTerminal.charsets.NorwegianDanish = null; // (E or (6\nTerminal.charsets.Spanish = null; // (Z\nTerminal.charsets.Swedish = null; // (H or (7\nTerminal.charsets.Swiss = null; // (=\nTerminal.charsets.ISOLatin = null; // /A\n\n/**\n * Helpers\n */\n\nfunction on(el, type, handler, capture) {\n if (!Array.isArray(el)) {\n el = [el];\n }\n el.forEach(function (element) {\n element.addEventListener(type, handler, capture || false);\n });\n}\n\nfunction off(el, type, handler, capture) {\n el.removeEventListener(type, handler, capture || false);\n}\n\nfunction cancel(ev, force) {\n if (!this.cancelEvents && !force) {\n return;\n }\n ev.preventDefault();\n ev.stopPropagation();\n return false;\n}\n\nfunction inherits(child, parent) {\n function f() {\n this.constructor = child;\n }\n f.prototype = parent.prototype;\n child.prototype = new f;\n}\n\n// if bold is broken, we can't\n// use it in the terminal.\nfunction isBoldBroken(document) {\n var body = document.getElementsByTagName('body')[0];\n var el = document.createElement('span');\n el.innerHTML = 'hello world';\n body.appendChild(el);\n var w1 = el.scrollWidth;\n el.style.fontWeight = 'bold';\n var w2 = el.scrollWidth;\n body.removeChild(el);\n return w1 !== w2;\n}\n\nfunction indexOf(obj, el) {\n var i = obj.length;\n while (i--) {\n if (obj[i] === el) return i;\n }\n return -1;\n}\n\nfunction isThirdLevelShift(term, ev) {\n var thirdLevelKey =\n (term.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||\n (term.browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);\n\n if (ev.type == 'keypress') {\n return thirdLevelKey;\n }\n\n // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)\n return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);\n}\n\nfunction matchColor(r1, g1, b1) {\n var hash = (r1 << 16) | (g1 << 8) | b1;\n\n if (matchColor._cache[hash] != null) {\n return matchColor._cache[hash];\n }\n\n var ldiff = Infinity\n , li = -1\n , i = 0\n , c\n , r2\n , g2\n , b2\n , diff;\n\n for (; i < Terminal.vcolors.length; i++) {\n c = Terminal.vcolors[i];\n r2 = c[0];\n g2 = c[1];\n b2 = c[2];\n\n diff = matchColor.distance(r1, g1, b1, r2, g2, b2);\n\n if (diff === 0) {\n li = i;\n break;\n }\n\n if (diff < ldiff) {\n ldiff = diff;\n li = i;\n }\n }\n\n return matchColor._cache[hash] = li;\n}\n\nmatchColor._cache = {};\n\n// http://stackoverflow.com/questions/1633828\nmatchColor.distance = function(r1, g1, b1, r2, g2, b2) {\n return Math.pow(30 * (r1 - r2), 2)\n + Math.pow(59 * (g1 - g2), 2)\n + Math.pow(11 * (b1 - b2), 2);\n};\n\nfunction each(obj, iter, con) {\n if (obj.forEach) return obj.forEach(iter, con);\n for (var i = 0; i < obj.length; i++) {\n iter.call(con, obj[i], i, obj);\n }\n}\n\nfunction keys(obj) {\n if (Object.keys) return Object.keys(obj);\n var key, keys = [];\n for (key in obj) {\n if (Object.prototype.hasOwnProperty.call(obj, key)) {\n keys.push(key);\n }\n }\n return keys;\n}\n\nvar wcwidth = (function(opts) {\n // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c\n // combining characters\n var COMBINING = [\n [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],\n [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],\n [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],\n [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],\n [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],\n [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],\n [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],\n [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],\n [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],\n [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],\n [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],\n [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],\n [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],\n [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],\n [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],\n [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],\n [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],\n [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],\n [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],\n [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],\n [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],\n [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],\n [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],\n [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],\n [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],\n [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],\n [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],\n [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],\n [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],\n [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],\n [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],\n [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],\n [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],\n [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],\n [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],\n [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],\n [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],\n [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],\n [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],\n [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],\n [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],\n [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],\n [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],\n [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],\n [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],\n [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],\n [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],\n [0xE0100, 0xE01EF]\n ];\n // binary search\n function bisearch(ucs) {\n var min = 0;\n var max = COMBINING.length - 1;\n var mid;\n if (ucs < COMBINING[0][0] || ucs > COMBINING[max][1])\n return false;\n while (max >= min) {\n mid = Math.floor((min + max) / 2);\n if (ucs > COMBINING[mid][1])\n min = mid + 1;\n else if (ucs < COMBINING[mid][0])\n max = mid - 1;\n else\n return true;\n }\n return false;\n }\n function wcwidth(ucs) {\n // test for 8-bit control characters\n if (ucs === 0)\n return opts.nul;\n if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))\n return opts.control;\n // binary search in table of non-spacing characters\n if (bisearch(ucs))\n return 0;\n // if we arrive here, ucs is not a combining or C0/C1 control character\n return 1 +\n (\n ucs >= 0x1100 &&\n (\n ucs <= 0x115f || // Hangul Jamo init. consonants\n ucs == 0x2329 ||\n ucs == 0x232a ||\n (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs != 0x303f) || // CJK..Yi\n (ucs >= 0xac00 && ucs <= 0xd7a3) || // Hangul Syllables\n (ucs >= 0xf900 && ucs <= 0xfaff) || // CJK Compat Ideographs\n (ucs >= 0xfe10 && ucs <= 0xfe19) || // Vertical forms\n (ucs >= 0xfe30 && ucs <= 0xfe6f) || // CJK Compat Forms\n (ucs >= 0xff00 && ucs <= 0xff60) || // Fullwidth Forms\n (ucs >= 0xffe0 && ucs <= 0xffe6) ||\n (ucs >= 0x20000 && ucs <= 0x2fffd) ||\n (ucs >= 0x30000 && ucs <= 0x3fffd)\n )\n );\n }\n return wcwidth;\n})({nul: 0, control: 0}); // configurable options\n\n/**\n * Expose\n */\n\nTerminal.EventEmitter = EventEmitter;\nTerminal.CompositionHelper = CompositionHelper;\nTerminal.Viewport = Viewport;\nTerminal.inherits = inherits;\n\n/**\n * Adds an event listener to the terminal.\n *\n * @param {string} event The name of the event. TODO: Document all event types\n * @param {function} callback The function to call when the event is triggered.\n */\nTerminal.on = on;\nTerminal.off = off;\nTerminal.cancel = cancel;\n\nmodule.exports = Terminal;\n"
- ]
-}
\ No newline at end of file
+{"version":3,"file":"xterm.js","sources":["../src/xterm.js","../src/utils/Generic.js","../src/utils/Browser.js","../src/handlers/Clipboard.ts","../src/Viewport.ts","../src/EventEmitter.js","../src/CompositionHelper.ts","../node_modules/browser-pack/_prelude.js"],"sourcesContent":["/**\n * xterm.js: xterm, in the browser\n * Originally forked from (with the author's permission):\n * Fabrice Bellard's javascript vt100 for jslinux:\n * http://bellard.org/jslinux/\n * Copyright (c) 2011 Fabrice Bellard\n * The original design remains. The terminal itself\n * has been extended to include xterm CSI codes, among\n * other features.\n * @license MIT\n */\n\nimport { CompositionHelper } from './CompositionHelper.js';\nimport { EventEmitter } from './EventEmitter.js';\nimport { Viewport } from './Viewport.js';\nimport { rightClickHandler, pasteHandler, copyHandler } from './handlers/Clipboard.js';\nimport * as Browser from './utils/Browser';\nimport * as Keyboard from './utils/Keyboard';\n\n/**\n * Terminal Emulation References:\n * http://vt100.net/\n * http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt\n * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n * http://invisible-island.net/vttest/\n * http://www.inwap.com/pdp10/ansicode.txt\n * http://linux.die.net/man/4/console_codes\n * http://linux.die.net/man/7/urxvt\n */\n\n// Let it work inside Node.js for automated testing purposes.\nvar document = (typeof window != 'undefined') ? window.document : null;\n\n/**\n * States\n */\nvar normal = 0, escaped = 1, csi = 2, osc = 3, charset = 4, dcs = 5, ignore = 6;\n\n/**\n * Terminal\n */\n\n/**\n * Creates a new `Terminal` object.\n *\n * @param {object} options An object containing a set of options, the available options are:\n * - `cursorBlink` (boolean): Whether the terminal cursor blinks\n * - `cols` (number): The number of columns of the terminal (horizontal size)\n * - `rows` (number): The number of rows of the terminal (vertical size)\n *\n * @public\n * @class Xterm Xterm\n * @alias module:xterm/src/xterm\n */\nfunction Terminal(options) {\n var self = this;\n\n if (!(this instanceof Terminal)) {\n return new Terminal(arguments[0], arguments[1], arguments[2]);\n }\n\n self.browser = Browser;\n self.cancel = Terminal.cancel;\n\n EventEmitter.call(this);\n\n if (typeof options === 'number') {\n options = {\n cols: arguments[0],\n rows: arguments[1],\n handler: arguments[2]\n };\n }\n\n options = options || {};\n\n\n Object.keys(Terminal.defaults).forEach(function(key) {\n if (options[key] == null) {\n options[key] = Terminal.options[key];\n\n if (Terminal[key] !== Terminal.defaults[key]) {\n options[key] = Terminal[key];\n }\n }\n self[key] = options[key];\n });\n\n if (options.colors.length === 8) {\n options.colors = options.colors.concat(Terminal._colors.slice(8));\n } else if (options.colors.length === 16) {\n options.colors = options.colors.concat(Terminal._colors.slice(16));\n } else if (options.colors.length === 10) {\n options.colors = options.colors.slice(0, -2).concat(\n Terminal._colors.slice(8, -2), options.colors.slice(-2));\n } else if (options.colors.length === 18) {\n options.colors = options.colors.concat(\n Terminal._colors.slice(16, -2), options.colors.slice(-2));\n }\n this.colors = options.colors;\n\n this.options = options;\n\n // this.context = options.context || window;\n // this.document = options.document || document;\n this.parent = options.body || options.parent || (\n document ? document.getElementsByTagName('body')[0] : null\n );\n\n this.cols = options.cols || options.geometry[0];\n this.rows = options.rows || options.geometry[1];\n this.geometry = [this.cols, this.rows];\n\n if (options.handler) {\n this.on('data', options.handler);\n }\n\n /**\n * The scroll position of the y cursor, ie. ybase + y = the y position within the entire\n * buffer\n */\n this.ybase = 0;\n\n /**\n * The scroll position of the viewport\n */\n this.ydisp = 0;\n\n /**\n * The cursor's x position after ybase\n */\n this.x = 0;\n\n /**\n * The cursor's y position after ybase\n */\n this.y = 0;\n\n /**\n * Used to debounce the refresh function\n */\n this.isRefreshing = false;\n\n /**\n * Whether there is a full terminal refresh queued\n */\n\n this.cursorState = 0;\n this.cursorHidden = false;\n this.convertEol;\n this.state = 0;\n this.queue = '';\n this.scrollTop = 0;\n this.scrollBottom = this.rows - 1;\n this.customKeydownHandler = null;\n\n // modes\n this.applicationKeypad = false;\n this.applicationCursor = false;\n this.originMode = false;\n this.insertMode = false;\n this.wraparoundMode = true; // defaults: xterm - true, vt100 - false\n this.normal = null;\n\n // charset\n this.charset = null;\n this.gcharset = null;\n this.glevel = 0;\n this.charsets = [null];\n\n // mouse properties\n this.decLocator;\n this.x10Mouse;\n this.vt200Mouse;\n this.vt300Mouse;\n this.normalMouse;\n this.mouseEvents;\n this.sendFocus;\n this.utfMouse;\n this.sgrMouse;\n this.urxvtMouse;\n\n // misc\n this.element;\n this.children;\n this.refreshStart;\n this.refreshEnd;\n this.savedX;\n this.savedY;\n this.savedCols;\n\n // stream\n this.readable = true;\n this.writable = true;\n\n this.defAttr = (0 << 18) | (257 << 9) | (256 << 0);\n this.curAttr = this.defAttr;\n\n this.params = [];\n this.currentParam = 0;\n this.prefix = '';\n this.postfix = '';\n\n // leftover surrogate high from previous write invocation\n this.surrogate_high = '';\n\n /**\n * An array of all lines in the entire buffer, including the prompt. The lines are array of\n * characters which are 2-length arrays where [0] is an attribute and [1] is the character.\n */\n this.lines = [];\n var i = this.rows;\n while (i--) {\n this.lines.push(this.blankLine());\n }\n\n this.tabs;\n this.setupStops();\n\n // Store if user went browsing history in scrollback\n this.userScrolling = false;\n}\n\ninherits(Terminal, EventEmitter);\n\n/**\n * back_color_erase feature for xterm.\n */\nTerminal.prototype.eraseAttr = function() {\n // if (this.is('screen')) return this.defAttr;\n return (this.defAttr & ~0x1ff) | (this.curAttr & 0x1ff);\n};\n\n/**\n * Colors\n */\n\n// Colors 0-15\nTerminal.tangoColors = [\n // dark:\n '#2e3436',\n '#cc0000',\n '#4e9a06',\n '#c4a000',\n '#3465a4',\n '#75507b',\n '#06989a',\n '#d3d7cf',\n // bright:\n '#555753',\n '#ef2929',\n '#8ae234',\n '#fce94f',\n '#729fcf',\n '#ad7fa8',\n '#34e2e2',\n '#eeeeec'\n];\n\n// Colors 0-15 + 16-255\n// Much thanks to TooTallNate for writing this.\nTerminal.colors = (function() {\n var colors = Terminal.tangoColors.slice()\n , r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff]\n , i;\n\n // 16-231\n i = 0;\n for (; i < 216; i++) {\n out(r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]);\n }\n\n // 232-255 (grey)\n i = 0;\n for (; i < 24; i++) {\n r = 8 + i * 10;\n out(r, r, r);\n }\n\n function out(r, g, b) {\n colors.push('#' + hex(r) + hex(g) + hex(b));\n }\n\n function hex(c) {\n c = c.toString(16);\n return c.length < 2 ? '0' + c : c;\n }\n\n return colors;\n})();\n\nTerminal._colors = Terminal.colors.slice();\n\nTerminal.vcolors = (function() {\n var out = []\n , colors = Terminal.colors\n , i = 0\n , color;\n\n for (; i < 256; i++) {\n color = parseInt(colors[i].substring(1), 16);\n out.push([\n (color >> 16) & 0xff,\n (color >> 8) & 0xff,\n color & 0xff\n ]);\n }\n\n return out;\n})();\n\n/**\n * Options\n */\n\nTerminal.defaults = {\n colors: Terminal.colors,\n theme: 'default',\n convertEol: false,\n termName: 'xterm',\n geometry: [80, 24],\n cursorBlink: false,\n visualBell: false,\n popOnBell: false,\n scrollback: 1000,\n screenKeys: false,\n debug: false,\n cancelEvents: false\n // programFeatures: false,\n // focusKeys: false,\n};\n\nTerminal.options = {};\n\nTerminal.focus = null;\n\neach(keys(Terminal.defaults), function(key) {\n Terminal[key] = Terminal.defaults[key];\n Terminal.options[key] = Terminal.defaults[key];\n});\n\n/**\n * Focus the terminal. Delegates focus handling to the terminal's DOM element.\n */\nTerminal.prototype.focus = function() {\n return this.textarea.focus();\n};\n\n/**\n * Retrieves an option's value from the terminal.\n * @param {string} key The option key.\n */\nTerminal.prototype.getOption = function(key, value) {\n if (!(key in Terminal.defaults)) {\n throw new Error('No option with key \"' + key + '\"');\n }\n\n if (typeof this.options[key] !== 'undefined') {\n return this.options[key];\n }\n\n return this[key];\n};\n\n/**\n * Sets an option on the terminal.\n * @param {string} key The option key.\n * @param {string} value The option value.\n */\nTerminal.prototype.setOption = function(key, value) {\n if (!(key in Terminal.defaults)) {\n throw new Error('No option with key \"' + key + '\"');\n }\n this[key] = value;\n this.options[key] = value;\n};\n\n/**\n * Binds the desired focus behavior on a given terminal object.\n *\n * @static\n */\nTerminal.bindFocus = function (term) {\n on(term.textarea, 'focus', function (ev) {\n if (term.sendFocus) {\n term.send('\\x1b[I');\n }\n term.element.classList.add('focus');\n term.showCursor();\n Terminal.focus = term;\n term.emit('focus', {terminal: term});\n });\n};\n\n/**\n * Blur the terminal. Delegates blur handling to the terminal's DOM element.\n */\nTerminal.prototype.blur = function() {\n return this.textarea.blur();\n};\n\n/**\n * Binds the desired blur behavior on a given terminal object.\n *\n * @static\n */\nTerminal.bindBlur = function (term) {\n on(term.textarea, 'blur', function (ev) {\n term.refresh(term.y, term.y);\n if (term.sendFocus) {\n term.send('\\x1b[O');\n }\n term.element.classList.remove('focus');\n Terminal.focus = null;\n term.emit('blur', {terminal: term});\n });\n};\n\n/**\n * Initialize default behavior\n */\nTerminal.prototype.initGlobal = function() {\n var term = this;\n\n Terminal.bindKeys(this);\n Terminal.bindFocus(this);\n Terminal.bindBlur(this);\n\n // Bind clipboard functionality\n on(this.element, 'copy', function (ev) {\n copyHandler.call(this, ev, term);\n });\n on(this.textarea, 'paste', function (ev) {\n pasteHandler.call(this, ev, term);\n });\n\n function rightClickHandlerWrapper (ev) {\n rightClickHandler.call(this, ev, term);\n }\n\n if (term.browser.isFirefox) {\n on(this.element, 'mousedown', function (ev) {\n if (ev.button == 2) {\n rightClickHandlerWrapper(ev);\n }\n });\n } else {\n on(this.element, 'contextmenu', rightClickHandlerWrapper);\n }\n};\n\n/**\n * Apply key handling to the terminal\n */\nTerminal.bindKeys = function(term) {\n on(term.element, 'keydown', function(ev) {\n if (document.activeElement != this) {\n return;\n }\n term.keyDown(ev);\n }, true);\n\n on(term.element, 'keypress', function(ev) {\n if (document.activeElement != this) {\n return;\n }\n term.keyPress(ev);\n }, true);\n\n on(term.element, 'keyup', term.focus.bind(term));\n\n on(term.textarea, 'keydown', function(ev) {\n term.keyDown(ev);\n }, true);\n\n on(term.textarea, 'keypress', function(ev) {\n term.keyPress(ev);\n // Truncate the textarea's value, since it is not needed\n this.value = '';\n }, true);\n\n on(term.textarea, 'compositionstart', term.compositionHelper.compositionstart.bind(term.compositionHelper));\n on(term.textarea, 'compositionupdate', term.compositionHelper.compositionupdate.bind(term.compositionHelper));\n on(term.textarea, 'compositionend', term.compositionHelper.compositionend.bind(term.compositionHelper));\n term.on('refresh', term.compositionHelper.updateCompositionElements.bind(term.compositionHelper));\n};\n\n\n/**\n * Insert the given row to the terminal or produce a new one\n * if no row argument is passed. Return the inserted row.\n * @param {HTMLElement} row (optional) The row to append to the terminal.\n */\nTerminal.prototype.insertRow = function (row) {\n if (typeof row != 'object') {\n row = document.createElement('div');\n }\n\n this.rowContainer.appendChild(row);\n this.children.push(row);\n\n return row;\n};\n\n/**\n * Opens the terminal within an element.\n *\n * @param {HTMLElement} parent The element to create the terminal within.\n */\nTerminal.prototype.open = function(parent) {\n var self=this, i=0, div;\n\n this.parent = parent || this.parent;\n\n if (!this.parent) {\n throw new Error('Terminal requires a parent element.');\n }\n\n // Grab global elements\n this.context = this.parent.ownerDocument.defaultView;\n this.document = this.parent.ownerDocument;\n this.body = this.document.getElementsByTagName('body')[0];\n\n //Create main element container\n this.element = this.document.createElement('div');\n this.element.classList.add('terminal');\n this.element.classList.add('xterm');\n this.element.classList.add('xterm-theme-' + this.theme);\n\n this.element.style.height\n this.element.setAttribute('tabindex', 0);\n\n this.viewportElement = document.createElement('div');\n this.viewportElement.classList.add('xterm-viewport');\n this.element.appendChild(this.viewportElement);\n this.viewportScrollArea = document.createElement('div');\n this.viewportScrollArea.classList.add('xterm-scroll-area');\n this.viewportElement.appendChild(this.viewportScrollArea);\n\n // Create the container that will hold the lines of the terminal and then\n // produce the lines the lines.\n this.rowContainer = document.createElement('div');\n this.rowContainer.classList.add('xterm-rows');\n this.element.appendChild(this.rowContainer);\n this.children = [];\n\n // Create the container that will hold helpers like the textarea for\n // capturing DOM Events. Then produce the helpers.\n this.helperContainer = document.createElement('div');\n this.helperContainer.classList.add('xterm-helpers');\n // TODO: This should probably be inserted once it's filled to prevent an additional layout\n this.element.appendChild(this.helperContainer);\n this.textarea = document.createElement('textarea');\n this.textarea.classList.add('xterm-helper-textarea');\n this.textarea.setAttribute('autocorrect', 'off');\n this.textarea.setAttribute('autocapitalize', 'off');\n this.textarea.setAttribute('spellcheck', 'false');\n this.textarea.tabIndex = 0;\n this.textarea.addEventListener('focus', function() {\n self.emit('focus', {terminal: self});\n });\n this.textarea.addEventListener('blur', function() {\n self.emit('blur', {terminal: self});\n });\n this.helperContainer.appendChild(this.textarea);\n\n this.compositionView = document.createElement('div');\n this.compositionView.classList.add('composition-view');\n this.compositionHelper = new CompositionHelper(this.textarea, this.compositionView, this);\n this.helperContainer.appendChild(this.compositionView);\n\n this.charMeasureElement = document.createElement('div');\n this.charMeasureElement.classList.add('xterm-char-measure-element');\n this.charMeasureElement.innerHTML = 'W';\n this.helperContainer.appendChild(this.charMeasureElement);\n\n for (; i < this.rows; i++) {\n this.insertRow();\n }\n this.parent.appendChild(this.element);\n\n this.viewport = new Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasureElement);\n\n // Draw the screen.\n this.refresh(0, this.rows - 1);\n\n // Initialize global actions that\n // need to be taken on the document.\n this.initGlobal();\n\n // Ensure there is a Terminal.focus.\n this.focus();\n\n on(this.element, 'click', function() {\n var selection = document.getSelection(),\n collapsed = selection.isCollapsed,\n isRange = typeof collapsed == 'boolean' ? !collapsed : selection.type == 'Range';\n if (!isRange) {\n self.focus();\n }\n });\n\n // Listen for mouse events and translate\n // them into terminal mouse protocols.\n this.bindMouse();\n\n // Figure out whether boldness affects\n // the character width of monospace fonts.\n if (Terminal.brokenBold == null) {\n Terminal.brokenBold = isBoldBroken(this.document);\n }\n\n /**\n * This event is emitted when terminal has completed opening.\n *\n * @event open\n */\n this.emit('open');\n};\n\n\n/**\n * Attempts to load an add-on using CommonJS or RequireJS (whichever is available).\n * @param {string} addon The name of the addon to load\n * @static\n */\nTerminal.loadAddon = function(addon, callback) {\n if (typeof exports === 'object' && typeof module === 'object') {\n // CommonJS\n return require('./addons/' + addon + '/' + addon);\n } else if (typeof define == 'function') {\n // RequireJS\n return require(['./addons/' + addon + '/' + addon], callback);\n } else {\n console.error('Cannot load a module without a CommonJS or RequireJS environment.');\n return false;\n }\n};\n\n\n/**\n * XTerm mouse events\n * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking\n * To better understand these\n * the xterm code is very helpful:\n * Relevant files:\n * button.c, charproc.c, misc.c\n * Relevant functions in xterm/button.c:\n * BtnCode, EmitButtonCode, EditorButton, SendMousePosition\n */\nTerminal.prototype.bindMouse = function() {\n var el = this.element, self = this, pressed = 32;\n\n // mouseup, mousedown, wheel\n // left click: ^[[M 3<^[[M#3<\n // wheel up: ^[[M`3>\n function sendButton(ev) {\n var button\n , pos;\n\n // get the xterm-style button\n button = getButton(ev);\n\n // get mouse coordinates\n pos = getCoords(ev);\n if (!pos) return;\n\n sendEvent(button, pos);\n\n switch (ev.overrideType || ev.type) {\n case 'mousedown':\n pressed = button;\n break;\n case 'mouseup':\n // keep it at the left\n // button, just in case.\n pressed = 32;\n break;\n case 'wheel':\n // nothing. don't\n // interfere with\n // `pressed`.\n break;\n }\n }\n\n // motion example of a left click:\n // ^[[M 3<^[[M@4<^[[M@5<^[[M@6<^[[M@7<^[[M#7<\n function sendMove(ev) {\n var button = pressed\n , pos;\n\n pos = getCoords(ev);\n if (!pos) return;\n\n // buttons marked as motions\n // are incremented by 32\n button += 32;\n\n sendEvent(button, pos);\n }\n\n // encode button and\n // position to characters\n function encode(data, ch) {\n if (!self.utfMouse) {\n if (ch === 255) return data.push(0);\n if (ch > 127) ch = 127;\n data.push(ch);\n } else {\n if (ch === 2047) return data.push(0);\n if (ch < 127) {\n data.push(ch);\n } else {\n if (ch > 2047) ch = 2047;\n data.push(0xC0 | (ch >> 6));\n data.push(0x80 | (ch & 0x3F));\n }\n }\n }\n\n // send a mouse event:\n // regular/utf8: ^[[M Cb Cx Cy\n // urxvt: ^[[ Cb ; Cx ; Cy M\n // sgr: ^[[ Cb ; Cx ; Cy M/m\n // vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \\r\n // locator: CSI P e ; P b ; P r ; P c ; P p & w\n function sendEvent(button, pos) {\n // self.emit('mouse', {\n // x: pos.x - 32,\n // y: pos.x - 32,\n // button: button\n // });\n\n if (self.vt300Mouse) {\n // NOTE: Unstable.\n // http://www.vt100.net/docs/vt3xx-gp/chapter15.html\n button &= 3;\n pos.x -= 32;\n pos.y -= 32;\n var data = '\\x1b[24';\n if (button === 0) data += '1';\n else if (button === 1) data += '3';\n else if (button === 2) data += '5';\n else if (button === 3) return;\n else data += '0';\n data += '~[' + pos.x + ',' + pos.y + ']\\r';\n self.send(data);\n return;\n }\n\n if (self.decLocator) {\n // NOTE: Unstable.\n button &= 3;\n pos.x -= 32;\n pos.y -= 32;\n if (button === 0) button = 2;\n else if (button === 1) button = 4;\n else if (button === 2) button = 6;\n else if (button === 3) button = 3;\n self.send('\\x1b['\n + button\n + ';'\n + (button === 3 ? 4 : 0)\n + ';'\n + pos.y\n + ';'\n + pos.x\n + ';'\n + (pos.page || 0)\n + '&w');\n return;\n }\n\n if (self.urxvtMouse) {\n pos.x -= 32;\n pos.y -= 32;\n pos.x++;\n pos.y++;\n self.send('\\x1b[' + button + ';' + pos.x + ';' + pos.y + 'M');\n return;\n }\n\n if (self.sgrMouse) {\n pos.x -= 32;\n pos.y -= 32;\n self.send('\\x1b[<'\n + ((button & 3) === 3 ? button & ~3 : button)\n + ';'\n + pos.x\n + ';'\n + pos.y\n + ((button & 3) === 3 ? 'm' : 'M'));\n return;\n }\n\n var data = [];\n\n encode(data, button);\n encode(data, pos.x);\n encode(data, pos.y);\n\n self.send('\\x1b[M' + String.fromCharCode.apply(String, data));\n }\n\n function getButton(ev) {\n var button\n , shift\n , meta\n , ctrl\n , mod;\n\n // two low bits:\n // 0 = left\n // 1 = middle\n // 2 = right\n // 3 = release\n // wheel up/down:\n // 1, and 2 - with 64 added\n switch (ev.overrideType || ev.type) {\n case 'mousedown':\n button = ev.button != null\n ? +ev.button\n : ev.which != null\n ? ev.which - 1\n : null;\n\n if (self.browser.isMSIE) {\n button = button === 1 ? 0 : button === 4 ? 1 : button;\n }\n break;\n case 'mouseup':\n button = 3;\n break;\n case 'DOMMouseScroll':\n button = ev.detail < 0\n ? 64\n : 65;\n break;\n case 'wheel':\n button = ev.wheelDeltaY > 0\n ? 64\n : 65;\n break;\n }\n\n // next three bits are the modifiers:\n // 4 = shift, 8 = meta, 16 = control\n shift = ev.shiftKey ? 4 : 0;\n meta = ev.metaKey ? 8 : 0;\n ctrl = ev.ctrlKey ? 16 : 0;\n mod = shift | meta | ctrl;\n\n // no mods\n if (self.vt200Mouse) {\n // ctrl only\n mod &= ctrl;\n } else if (!self.normalMouse) {\n mod = 0;\n }\n\n // increment to SP\n button = (32 + (mod << 2)) + button;\n\n return button;\n }\n\n // mouse coordinates measured in cols/rows\n function getCoords(ev) {\n var x, y, w, h, el;\n\n // ignore browsers without pageX for now\n if (ev.pageX == null) return;\n\n x = ev.pageX;\n y = ev.pageY;\n el = self.element;\n\n // should probably check offsetParent\n // but this is more portable\n while (el && el !== self.document.documentElement) {\n x -= el.offsetLeft;\n y -= el.offsetTop;\n el = 'offsetParent' in el\n ? el.offsetParent\n : el.parentNode;\n }\n\n // convert to cols/rows\n w = self.element.clientWidth;\n h = self.element.clientHeight;\n x = Math.ceil((x / w) * self.cols);\n y = Math.ceil((y / h) * self.rows);\n\n // be sure to avoid sending\n // bad positions to the program\n if (x < 0) x = 0;\n if (x > self.cols) x = self.cols;\n if (y < 0) y = 0;\n if (y > self.rows) y = self.rows;\n\n // xterm sends raw bytes and\n // starts at 32 (SP) for each.\n x += 32;\n y += 32;\n\n return {\n x: x,\n y: y,\n type: 'wheel'\n };\n }\n\n on(el, 'mousedown', function(ev) {\n if (!self.mouseEvents) return;\n\n // send the button\n sendButton(ev);\n\n // ensure focus\n self.focus();\n\n // fix for odd bug\n //if (self.vt200Mouse && !self.normalMouse) {\n if (self.vt200Mouse) {\n ev.overrideType = 'mouseup';\n sendButton(ev);\n return self.cancel(ev);\n }\n\n // bind events\n if (self.normalMouse) on(self.document, 'mousemove', sendMove);\n\n // x10 compatibility mode can't send button releases\n if (!self.x10Mouse) {\n on(self.document, 'mouseup', function up(ev) {\n sendButton(ev);\n if (self.normalMouse) off(self.document, 'mousemove', sendMove);\n off(self.document, 'mouseup', up);\n return self.cancel(ev);\n });\n }\n\n return self.cancel(ev);\n });\n\n //if (self.normalMouse) {\n // on(self.document, 'mousemove', sendMove);\n //}\n\n on(el, 'wheel', function(ev) {\n if (!self.mouseEvents) return;\n if (self.x10Mouse\n || self.vt300Mouse\n || self.decLocator) return;\n sendButton(ev);\n return self.cancel(ev);\n });\n\n // allow wheel scrolling in\n // the shell for example\n on(el, 'wheel', function(ev) {\n if (self.mouseEvents) return;\n self.viewport.onWheel(ev);\n return self.cancel(ev);\n });\n};\n\n/**\n * Destroys the terminal.\n */\nTerminal.prototype.destroy = function() {\n this.readable = false;\n this.writable = false;\n this._events = {};\n this.handler = function() {};\n this.write = function() {};\n if (this.element.parentNode) {\n this.element.parentNode.removeChild(this.element);\n }\n //this.emit('close');\n};\n\n\n/**\n * Flags used to render terminal text properly\n */\nTerminal.flags = {\n BOLD: 1,\n UNDERLINE: 2,\n BLINK: 4,\n INVERSE: 8,\n INVISIBLE: 16\n}\n\n/**\n * Refreshes (re-renders) terminal content within two rows (inclusive)\n *\n * Rendering Engine:\n *\n * In the screen buffer, each character is stored as a an array with a character\n * and a 32-bit integer:\n * - First value: a utf-16 character.\n * - Second value:\n * - Next 9 bits: background color (0-511).\n * - Next 9 bits: foreground color (0-511).\n * - Next 14 bits: a mask for misc. flags:\n * - 1=bold\n * - 2=underline\n * - 4=blink\n * - 8=inverse\n * - 16=invisible\n *\n * @param {number} start The row to start from (between 0 and terminal's height terminal - 1)\n * @param {number} end The row to end at (between fromRow and terminal's height terminal - 1)\n * @param {boolean} queue Whether the refresh should ran right now or be queued\n */\nTerminal.prototype.refresh = function(start, end, queue) {\n var self = this;\n\n // queue defaults to true\n queue = (typeof queue == 'undefined') ? true : queue;\n\n /**\n * The refresh queue allows refresh to execute only approximately 30 times a second. For\n * commands that pass a significant amount of output to the write function, this prevents the\n * terminal from maxing out the CPU and making the UI unresponsive. While commands can still\n * run beyond what they do on the terminal, it is far better with a debounce in place as\n * every single terminal manipulation does not need to be constructed in the DOM.\n *\n * A side-effect of this is that it makes ^C to interrupt a process seem more responsive.\n */\n if (queue) {\n // If refresh should be queued, order the refresh and return.\n if (this._refreshIsQueued) {\n // If a refresh has already been queued, just order a full refresh next\n this._fullRefreshNext = true;\n } else {\n setTimeout(function () {\n self.refresh(start, end, false);\n }, 34)\n this._refreshIsQueued = true;\n }\n return;\n }\n\n // If refresh should be run right now (not be queued), release the lock\n this._refreshIsQueued = false;\n\n // If multiple refreshes were requested, make a full refresh.\n if (this._fullRefreshNext) {\n start = 0;\n end = this.rows - 1;\n this._fullRefreshNext = false // reset lock\n }\n\n var x, y, i, line, out, ch, ch_width, width, data, attr, bg, fg, flags, row, parent, focused = document.activeElement;\n\n // If this is a big refresh, remove the terminal rows from the DOM for faster calculations\n if (end - start >= this.rows / 2) {\n parent = this.element.parentNode;\n if (parent) {\n this.element.removeChild(this.rowContainer);\n }\n }\n\n width = this.cols;\n y = start;\n\n if (end >= this.rows.length) {\n this.log('`end` is too large. Most likely a bad CSR.');\n end = this.rows.length - 1;\n }\n\n for (; y <= end; y++) {\n row = y + this.ydisp;\n\n line = this.lines[row];\n out = '';\n\n if (this.y === y - (this.ybase - this.ydisp)\n && this.cursorState\n && !this.cursorHidden) {\n x = this.x;\n } else {\n x = -1;\n }\n\n attr = this.defAttr;\n i = 0;\n\n for (; i < width; i++) {\n data = line[i][0];\n ch = line[i][1];\n ch_width = line[i][2];\n if (!ch_width)\n continue;\n\n if (i === x) data = -1;\n\n if (data !== attr) {\n if (attr !== this.defAttr) {\n out += '</span>';\n }\n if (data !== this.defAttr) {\n if (data === -1) {\n out += '<span class=\"reverse-video terminal-cursor';\n if (this.cursorBlink) {\n out += ' blinking';\n }\n out += '\">';\n } else {\n var classNames = [];\n\n bg = data & 0x1ff;\n fg = (data >> 9) & 0x1ff;\n flags = data >> 18;\n\n if (flags & Terminal.flags.BOLD) {\n if (!Terminal.brokenBold) {\n classNames.push('xterm-bold');\n }\n // See: XTerm*boldColors\n if (fg < 8) fg += 8;\n }\n\n if (flags & Terminal.flags.UNDERLINE) {\n classNames.push('xterm-underline');\n }\n\n if (flags & Terminal.flags.BLINK) {\n classNames.push('xterm-blink');\n }\n\n // If inverse flag is on, then swap the foreground and background variables.\n if (flags & Terminal.flags.INVERSE) {\n /* One-line variable swap in JavaScript: http://stackoverflow.com/a/16201730 */\n bg = [fg, fg = bg][0];\n // Should inverse just be before the\n // above boldColors effect instead?\n if ((flags & 1) && fg < 8) fg += 8;\n }\n\n if (flags & Terminal.flags.INVISIBLE) {\n classNames.push('xterm-hidden');\n }\n\n /**\n * Weird situation: Invert flag used black foreground and white background results\n * in invalid background color, positioned at the 256 index of the 256 terminal\n * color map. Pin the colors manually in such a case.\n *\n * Source: https://github.com/sourcelair/xterm.js/issues/57\n */\n if (flags & Terminal.flags.INVERSE) {\n if (bg == 257) {\n bg = 15;\n }\n if (fg == 256) {\n fg = 0;\n }\n }\n\n if (bg < 256) {\n classNames.push('xterm-bg-color-' + bg);\n }\n\n if (fg < 256) {\n classNames.push('xterm-color-' + fg);\n }\n\n out += '<span';\n if (classNames.length) {\n out += ' class=\"' + classNames.join(' ') + '\"';\n }\n out += '>';\n }\n }\n }\n\n switch (ch) {\n case '&':\n out += '&';\n break;\n case '<':\n out += '<';\n break;\n case '>':\n out += '>';\n break;\n default:\n if (ch <= ' ') {\n out += ' ';\n } else {\n out += ch;\n }\n break;\n }\n\n attr = data;\n }\n\n if (attr !== this.defAttr) {\n out += '</span>';\n }\n\n this.children[y].innerHTML = out;\n }\n\n if (parent) {\n this.element.appendChild(this.rowContainer);\n }\n\n this.emit('refresh', {element: this.element, start: start, end: end});\n};\n\n/**\n * Display the cursor element\n */\nTerminal.prototype.showCursor = function() {\n if (!this.cursorState) {\n this.cursorState = 1;\n this.refresh(this.y, this.y);\n }\n};\n\n/**\n * Scroll the terminal\n */\nTerminal.prototype.scroll = function() {\n var row;\n\n if (++this.ybase === this.scrollback) {\n this.ybase = this.ybase / 2 | 0;\n this.lines = this.lines.slice(-(this.ybase + this.rows) + 1);\n }\n\n if (!this.userScrolling) {\n this.ydisp = this.ybase;\n }\n\n // last line\n row = this.ybase + this.rows - 1;\n\n // subtract the bottom scroll region\n row -= this.rows - 1 - this.scrollBottom;\n\n if (row === this.lines.length) {\n // potential optimization:\n // pushing is faster than splicing\n // when they amount to the same\n // behavior.\n this.lines.push(this.blankLine());\n } else {\n // add our new line\n this.lines.splice(row, 0, this.blankLine());\n }\n\n if (this.scrollTop !== 0) {\n if (this.ybase !== 0) {\n this.ybase--;\n if (!this.userScrolling) {\n this.ydisp = this.ybase;\n }\n }\n this.lines.splice(this.ybase + this.scrollTop, 1);\n }\n\n // this.maxRange();\n this.updateRange(this.scrollTop);\n this.updateRange(this.scrollBottom);\n\n /**\n * This event is emitted whenever the terminal is scrolled.\n * The one parameter passed is the new y display position.\n *\n * @event scroll\n */\n this.emit('scroll', this.ydisp);\n};\n\n/**\n * Scroll the display of the terminal\n * @param {number} disp The number of lines to scroll down (negatives scroll up).\n * @param {boolean} suppressScrollEvent Don't emit the scroll event as scrollDisp. This is used\n * to avoid unwanted events being handled by the veiwport when the event was triggered from the\n * viewport originally.\n */\nTerminal.prototype.scrollDisp = function(disp, suppressScrollEvent) {\n if (disp < 0) {\n this.userScrolling = true;\n } else if (disp + this.ydisp >= this.ybase) {\n this.userScrolling = false;\n }\n\n this.ydisp += disp;\n\n if (this.ydisp > this.ybase) {\n this.ydisp = this.ybase;\n } else if (this.ydisp < 0) {\n this.ydisp = 0;\n }\n\n if (!suppressScrollEvent) {\n this.emit('scroll', this.ydisp);\n }\n\n this.refresh(0, this.rows - 1);\n};\n\n/**\n * Scroll the display of the terminal by a number of pages.\n * @param {number} pageCount The number of pages to scroll (negative scrolls up).\n */\nTerminal.prototype.scrollPages = function(pageCount) {\n this.scrollDisp(pageCount * (this.rows - 1));\n}\n\n/**\n * Scrolls the display of the terminal to the top.\n */\nTerminal.prototype.scrollToTop = function() {\n this.scrollDisp(-this.ydisp);\n}\n\n/**\n * Scrolls the display of the terminal to the bottom.\n */\nTerminal.prototype.scrollToBottom = function() {\n this.scrollDisp(this.ybase - this.ydisp);\n}\n\n/**\n * Writes text to the terminal.\n * @param {string} text The text to write to the terminal.\n */\nTerminal.prototype.write = function(data) {\n var l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;\n\n this.refreshStart = this.y;\n this.refreshEnd = this.y;\n\n // apply leftover surrogate high from last write\n if (this.surrogate_high) {\n data = this.surrogate_high + data;\n this.surrogate_high = '';\n }\n\n for (; i < l; i++) {\n ch = data[i];\n\n // FIXME: higher chars than 0xa0 are not allowed in escape sequences\n // --> maybe move to default\n code = data.charCodeAt(i);\n if (0xD800 <= code && code <= 0xDBFF) {\n // we got a surrogate high\n // get surrogate low (next 2 bytes)\n low = data.charCodeAt(i+1);\n if (isNaN(low)) {\n // end of data stream, save surrogate high\n this.surrogate_high = ch;\n continue;\n }\n code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;\n ch += data.charAt(i+1);\n }\n // surrogate low - already handled above\n if (0xDC00 <= code && code <= 0xDFFF)\n continue;\n\n switch (this.state) {\n case normal:\n switch (ch) {\n case '\\x07':\n this.bell();\n break;\n\n // '\\n', '\\v', '\\f'\n case '\\n':\n case '\\x0b':\n case '\\x0c':\n if (this.convertEol) {\n this.x = 0;\n }\n this.y++;\n if (this.y > this.scrollBottom) {\n this.y--;\n this.scroll();\n }\n break;\n\n // '\\r'\n case '\\r':\n this.x = 0;\n break;\n\n // '\\b'\n case '\\x08':\n if (this.x > 0) {\n this.x--;\n }\n break;\n\n // '\\t'\n case '\\t':\n this.x = this.nextStop();\n break;\n\n // shift out\n case '\\x0e':\n this.setgLevel(1);\n break;\n\n // shift in\n case '\\x0f':\n this.setgLevel(0);\n break;\n\n // '\\e'\n case '\\x1b':\n this.state = escaped;\n break;\n\n default:\n // ' '\n // calculate print space\n // expensive call, therefore we save width in line buffer\n ch_width = wcwidth(code);\n\n if (ch >= ' ') {\n if (this.charset && this.charset[ch]) {\n ch = this.charset[ch];\n }\n\n row = this.y + this.ybase;\n\n // insert combining char in last cell\n // FIXME: needs handling after cursor jumps\n if (!ch_width && this.x) {\n\n // dont overflow left\n if (this.lines[row][this.x-1]) {\n if (!this.lines[row][this.x-1][2]) {\n\n // found empty cell after fullwidth, need to go 2 cells back\n if (this.lines[row][this.x-2])\n this.lines[row][this.x-2][1] += ch;\n\n } else {\n this.lines[row][this.x-1][1] += ch;\n }\n this.updateRange(this.y);\n }\n break;\n }\n\n // goto next line if ch would overflow\n // TODO: needs a global min terminal width of 2\n if (this.x+ch_width-1 >= this.cols) {\n // autowrap - DECAWM\n if (this.wraparoundMode) {\n this.x = 0;\n this.y++;\n if (this.y > this.scrollBottom) {\n this.y--;\n this.scroll();\n }\n } else {\n this.x = this.cols-1;\n if(ch_width===2) // FIXME: check for xterm behavior\n continue;\n }\n }\n row = this.y + this.ybase;\n\n // insert mode: move characters to right\n if (this.insertMode) {\n // do this twice for a fullwidth char\n for (var moves=0; moves<ch_width; ++moves) {\n // remove last cell, if it's width is 0\n // we have to adjust the second last cell as well\n var removed = this.lines[this.y + this.ybase].pop();\n if (removed[2]===0\n && this.lines[row][this.cols-2]\n && this.lines[row][this.cols-2][2]===2)\n this.lines[row][this.cols-2] = [this.curAttr, ' ', 1];\n\n // insert empty cell at cursor\n this.lines[row].splice(this.x, 0, [this.curAttr, ' ', 1]);\n }\n }\n\n this.lines[row][this.x] = [this.curAttr, ch, ch_width];\n this.x++;\n this.updateRange(this.y);\n\n // fullwidth char - set next cell width to zero and advance cursor\n if (ch_width===2) {\n this.lines[row][this.x] = [this.curAttr, '', 0];\n this.x++;\n }\n }\n break;\n }\n break;\n case escaped:\n switch (ch) {\n // ESC [ Control Sequence Introducer ( CSI is 0x9b).\n case '[':\n this.params = [];\n this.currentParam = 0;\n this.state = csi;\n break;\n\n // ESC ] Operating System Command ( OSC is 0x9d).\n case ']':\n this.params = [];\n this.currentParam = 0;\n this.state = osc;\n break;\n\n // ESC P Device Control String ( DCS is 0x90).\n case 'P':\n this.params = [];\n this.currentParam = 0;\n this.state = dcs;\n break;\n\n // ESC _ Application Program Command ( APC is 0x9f).\n case '_':\n this.state = ignore;\n break;\n\n // ESC ^ Privacy Message ( PM is 0x9e).\n case '^':\n this.state = ignore;\n break;\n\n // ESC c Full Reset (RIS).\n case 'c':\n this.reset();\n break;\n\n // ESC E Next Line ( NEL is 0x85).\n // ESC D Index ( IND is 0x84).\n case 'E':\n this.x = 0;\n ;\n case 'D':\n this.index();\n break;\n\n // ESC M Reverse Index ( RI is 0x8d).\n case 'M':\n this.reverseIndex();\n break;\n\n // ESC % Select default/utf-8 character set.\n // @ = default, G = utf-8\n case '%':\n //this.charset = null;\n this.setgLevel(0);\n this.setgCharset(0, Terminal.charsets.US);\n this.state = normal;\n i++;\n break;\n\n // ESC (,),*,+,-,. Designate G0-G2 Character Set.\n case '(': // <-- this seems to get all the attention\n case ')':\n case '*':\n case '+':\n case '-':\n case '.':\n switch (ch) {\n case '(':\n this.gcharset = 0;\n break;\n case ')':\n this.gcharset = 1;\n break;\n case '*':\n this.gcharset = 2;\n break;\n case '+':\n this.gcharset = 3;\n break;\n case '-':\n this.gcharset = 1;\n break;\n case '.':\n this.gcharset = 2;\n break;\n }\n this.state = charset;\n break;\n\n // Designate G3 Character Set (VT300).\n // A = ISO Latin-1 Supplemental.\n // Not implemented.\n case '/':\n this.gcharset = 3;\n this.state = charset;\n i--;\n break;\n\n // ESC N\n // Single Shift Select of G2 Character Set\n // ( SS2 is 0x8e). This affects next character only.\n case 'N':\n break;\n // ESC O\n // Single Shift Select of G3 Character Set\n // ( SS3 is 0x8f). This affects next character only.\n case 'O':\n break;\n // ESC n\n // Invoke the G2 Character Set as GL (LS2).\n case 'n':\n this.setgLevel(2);\n break;\n // ESC o\n // Invoke the G3 Character Set as GL (LS3).\n case 'o':\n this.setgLevel(3);\n break;\n // ESC |\n // Invoke the G3 Character Set as GR (LS3R).\n case '|':\n this.setgLevel(3);\n break;\n // ESC }\n // Invoke the G2 Character Set as GR (LS2R).\n case '}':\n this.setgLevel(2);\n break;\n // ESC ~\n // Invoke the G1 Character Set as GR (LS1R).\n case '~':\n this.setgLevel(1);\n break;\n\n // ESC 7 Save Cursor (DECSC).\n case '7':\n this.saveCursor();\n this.state = normal;\n break;\n\n // ESC 8 Restore Cursor (DECRC).\n case '8':\n this.restoreCursor();\n this.state = normal;\n break;\n\n // ESC # 3 DEC line height/width\n case '#':\n this.state = normal;\n i++;\n break;\n\n // ESC H Tab Set (HTS is 0x88).\n case 'H':\n this.tabSet();\n break;\n\n // ESC = Application Keypad (DECKPAM).\n case '=':\n this.log('Serial port requested application keypad.');\n this.applicationKeypad = true;\n this.viewport.syncScrollArea();\n this.state = normal;\n break;\n\n // ESC > Normal Keypad (DECKPNM).\n case '>':\n this.log('Switching back to normal keypad.');\n this.applicationKeypad = false;\n this.viewport.syncScrollArea();\n this.state = normal;\n break;\n\n default:\n this.state = normal;\n this.error('Unknown ESC control: %s.', ch);\n break;\n }\n break;\n\n case charset:\n switch (ch) {\n case '0': // DEC Special Character and Line Drawing Set.\n cs = Terminal.charsets.SCLD;\n break;\n case 'A': // UK\n cs = Terminal.charsets.UK;\n break;\n case 'B': // United States (USASCII).\n cs = Terminal.charsets.US;\n break;\n case '4': // Dutch\n cs = Terminal.charsets.Dutch;\n break;\n case 'C': // Finnish\n case '5':\n cs = Terminal.charsets.Finnish;\n break;\n case 'R': // French\n cs = Terminal.charsets.French;\n break;\n case 'Q': // FrenchCanadian\n cs = Terminal.charsets.FrenchCanadian;\n break;\n case 'K': // German\n cs = Terminal.charsets.German;\n break;\n case 'Y': // Italian\n cs = Terminal.charsets.Italian;\n break;\n case 'E': // NorwegianDanish\n case '6':\n cs = Terminal.charsets.NorwegianDanish;\n break;\n case 'Z': // Spanish\n cs = Terminal.charsets.Spanish;\n break;\n case 'H': // Swedish\n case '7':\n cs = Terminal.charsets.Swedish;\n break;\n case '=': // Swiss\n cs = Terminal.charsets.Swiss;\n break;\n case '/': // ISOLatin (actually /A)\n cs = Terminal.charsets.ISOLatin;\n i++;\n break;\n default: // Default\n cs = Terminal.charsets.US;\n break;\n }\n this.setgCharset(this.gcharset, cs);\n this.gcharset = null;\n this.state = normal;\n break;\n\n case osc:\n // OSC Ps ; Pt ST\n // OSC Ps ; Pt BEL\n // Set Text Parameters.\n if (ch === '\\x1b' || ch === '\\x07') {\n if (ch === '\\x1b') i++;\n\n this.params.push(this.currentParam);\n\n switch (this.params[0]) {\n case 0:\n case 1:\n case 2:\n if (this.params[1]) {\n this.title = this.params[1];\n this.handleTitle(this.title);\n }\n break;\n case 3:\n // set X property\n break;\n case 4:\n case 5:\n // change dynamic colors\n break;\n case 10:\n case 11:\n case 12:\n case 13:\n case 14:\n case 15:\n case 16:\n case 17:\n case 18:\n case 19:\n // change dynamic ui colors\n break;\n case 46:\n // change log file\n break;\n case 50:\n // dynamic font\n break;\n case 51:\n // emacs shell\n break;\n case 52:\n // manipulate selection data\n break;\n case 104:\n case 105:\n case 110:\n case 111:\n case 112:\n case 113:\n case 114:\n case 115:\n case 116:\n case 117:\n case 118:\n // reset colors\n break;\n }\n\n this.params = [];\n this.currentParam = 0;\n this.state = normal;\n } else {\n if (!this.params.length) {\n if (ch >= '0' && ch <= '9') {\n this.currentParam =\n this.currentParam * 10 + ch.charCodeAt(0) - 48;\n } else if (ch === ';') {\n this.params.push(this.currentParam);\n this.currentParam = '';\n }\n } else {\n this.currentParam += ch;\n }\n }\n break;\n\n case csi:\n // '?', '>', '!'\n if (ch === '?' || ch === '>' || ch === '!') {\n this.prefix = ch;\n break;\n }\n\n // 0 - 9\n if (ch >= '0' && ch <= '9') {\n this.currentParam = this.currentParam * 10 + ch.charCodeAt(0) - 48;\n break;\n }\n\n // '$', '\"', ' ', '\\''\n if (ch === '$' || ch === '\"' || ch === ' ' || ch === '\\'') {\n this.postfix = ch;\n break;\n }\n\n this.params.push(this.currentParam);\n this.currentParam = 0;\n\n // ';'\n if (ch === ';') break;\n\n this.state = normal;\n\n switch (ch) {\n // CSI Ps A\n // Cursor Up Ps Times (default = 1) (CUU).\n case 'A':\n this.cursorUp(this.params);\n break;\n\n // CSI Ps B\n // Cursor Down Ps Times (default = 1) (CUD).\n case 'B':\n this.cursorDown(this.params);\n break;\n\n // CSI Ps C\n // Cursor Forward Ps Times (default = 1) (CUF).\n case 'C':\n this.cursorForward(this.params);\n break;\n\n // CSI Ps D\n // Cursor Backward Ps Times (default = 1) (CUB).\n case 'D':\n this.cursorBackward(this.params);\n break;\n\n // CSI Ps ; Ps H\n // Cursor Position [row;column] (default = [1,1]) (CUP).\n case 'H':\n this.cursorPos(this.params);\n break;\n\n // CSI Ps J Erase in Display (ED).\n case 'J':\n this.eraseInDisplay(this.params);\n break;\n\n // CSI Ps K Erase in Line (EL).\n case 'K':\n this.eraseInLine(this.params);\n break;\n\n // CSI Pm m Character Attributes (SGR).\n case 'm':\n if (!this.prefix) {\n this.charAttributes(this.params);\n }\n break;\n\n // CSI Ps n Device Status Report (DSR).\n case 'n':\n if (!this.prefix) {\n this.deviceStatus(this.params);\n }\n break;\n\n /**\n * Additions\n */\n\n // CSI Ps @\n // Insert Ps (Blank) Character(s) (default = 1) (ICH).\n case '@':\n this.insertChars(this.params);\n break;\n\n // CSI Ps E\n // Cursor Next Line Ps Times (default = 1) (CNL).\n case 'E':\n this.cursorNextLine(this.params);\n break;\n\n // CSI Ps F\n // Cursor Preceding Line Ps Times (default = 1) (CNL).\n case 'F':\n this.cursorPrecedingLine(this.params);\n break;\n\n // CSI Ps G\n // Cursor Character Absolute [column] (default = [row,1]) (CHA).\n case 'G':\n this.cursorCharAbsolute(this.params);\n break;\n\n // CSI Ps L\n // Insert Ps Line(s) (default = 1) (IL).\n case 'L':\n this.insertLines(this.params);\n break;\n\n // CSI Ps M\n // Delete Ps Line(s) (default = 1) (DL).\n case 'M':\n this.deleteLines(this.params);\n break;\n\n // CSI Ps P\n // Delete Ps Character(s) (default = 1) (DCH).\n case 'P':\n this.deleteChars(this.params);\n break;\n\n // CSI Ps X\n // Erase Ps Character(s) (default = 1) (ECH).\n case 'X':\n this.eraseChars(this.params);\n break;\n\n // CSI Pm ` Character Position Absolute\n // [column] (default = [row,1]) (HPA).\n case '`':\n this.charPosAbsolute(this.params);\n break;\n\n // 141 61 a * HPR -\n // Horizontal Position Relative\n case 'a':\n this.HPositionRelative(this.params);\n break;\n\n // CSI P s c\n // Send Device Attributes (Primary DA).\n // CSI > P s c\n // Send Device Attributes (Secondary DA)\n case 'c':\n this.sendDeviceAttributes(this.params);\n break;\n\n // CSI Pm d\n // Line Position Absolute [row] (default = [1,column]) (VPA).\n case 'd':\n this.linePosAbsolute(this.params);\n break;\n\n // 145 65 e * VPR - Vertical Position Relative\n case 'e':\n this.VPositionRelative(this.params);\n break;\n\n // CSI Ps ; Ps f\n // Horizontal and Vertical Position [row;column] (default =\n // [1,1]) (HVP).\n case 'f':\n this.HVPosition(this.params);\n break;\n\n // CSI Pm h Set Mode (SM).\n // CSI ? Pm h - mouse escape codes, cursor escape codes\n case 'h':\n this.setMode(this.params);\n break;\n\n // CSI Pm l Reset Mode (RM).\n // CSI ? Pm l\n case 'l':\n this.resetMode(this.params);\n break;\n\n // CSI Ps ; Ps r\n // Set Scrolling Region [top;bottom] (default = full size of win-\n // dow) (DECSTBM).\n // CSI ? Pm r\n case 'r':\n this.setScrollRegion(this.params);\n break;\n\n // CSI s\n // Save cursor (ANSI.SYS).\n case 's':\n this.saveCursor(this.params);\n break;\n\n // CSI u\n // Restore cursor (ANSI.SYS).\n case 'u':\n this.restoreCursor(this.params);\n break;\n\n /**\n * Lesser Used\n */\n\n // CSI Ps I\n // Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).\n case 'I':\n this.cursorForwardTab(this.params);\n break;\n\n // CSI Ps S Scroll up Ps lines (default = 1) (SU).\n case 'S':\n this.scrollUp(this.params);\n break;\n\n // CSI Ps T Scroll down Ps lines (default = 1) (SD).\n // CSI Ps ; Ps ; Ps ; Ps ; Ps T\n // CSI > Ps; Ps T\n case 'T':\n // if (this.prefix === '>') {\n // this.resetTitleModes(this.params);\n // break;\n // }\n // if (this.params.length > 2) {\n // this.initMouseTracking(this.params);\n // break;\n // }\n if (this.params.length < 2 && !this.prefix) {\n this.scrollDown(this.params);\n }\n break;\n\n // CSI Ps Z\n // Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).\n case 'Z':\n this.cursorBackwardTab(this.params);\n break;\n\n // CSI Ps b Repeat the preceding graphic character Ps times (REP).\n case 'b':\n this.repeatPrecedingCharacter(this.params);\n break;\n\n // CSI Ps g Tab Clear (TBC).\n case 'g':\n this.tabClear(this.params);\n break;\n\n // CSI Pm i Media Copy (MC).\n // CSI ? Pm i\n // case 'i':\n // this.mediaCopy(this.params);\n // break;\n\n // CSI Pm m Character Attributes (SGR).\n // CSI > Ps; Ps m\n // case 'm': // duplicate\n // if (this.prefix === '>') {\n // this.setResources(this.params);\n // } else {\n // this.charAttributes(this.params);\n // }\n // break;\n\n // CSI Ps n Device Status Report (DSR).\n // CSI > Ps n\n // case 'n': // duplicate\n // if (this.prefix === '>') {\n // this.disableModifiers(this.params);\n // } else {\n // this.deviceStatus(this.params);\n // }\n // break;\n\n // CSI > Ps p Set pointer mode.\n // CSI ! p Soft terminal reset (DECSTR).\n // CSI Ps$ p\n // Request ANSI mode (DECRQM).\n // CSI ? Ps$ p\n // Request DEC private mode (DECRQM).\n // CSI Ps ; Ps \" p\n case 'p':\n switch (this.prefix) {\n // case '>':\n // this.setPointerMode(this.params);\n // break;\n case '!':\n this.softReset(this.params);\n break;\n // case '?':\n // if (this.postfix === '$') {\n // this.requestPrivateMode(this.params);\n // }\n // break;\n // default:\n // if (this.postfix === '\"') {\n // this.setConformanceLevel(this.params);\n // } else if (this.postfix === '$') {\n // this.requestAnsiMode(this.params);\n // }\n // break;\n }\n break;\n\n // CSI Ps q Load LEDs (DECLL).\n // CSI Ps SP q\n // CSI Ps \" q\n // case 'q':\n // if (this.postfix === ' ') {\n // this.setCursorStyle(this.params);\n // break;\n // }\n // if (this.postfix === '\"') {\n // this.setCharProtectionAttr(this.params);\n // break;\n // }\n // this.loadLEDs(this.params);\n // break;\n\n // CSI Ps ; Ps r\n // Set Scrolling Region [top;bottom] (default = full size of win-\n // dow) (DECSTBM).\n // CSI ? Pm r\n // CSI Pt; Pl; Pb; Pr; Ps$ r\n // case 'r': // duplicate\n // if (this.prefix === '?') {\n // this.restorePrivateValues(this.params);\n // } else if (this.postfix === '$') {\n // this.setAttrInRectangle(this.params);\n // } else {\n // this.setScrollRegion(this.params);\n // }\n // break;\n\n // CSI s Save cursor (ANSI.SYS).\n // CSI ? Pm s\n // case 's': // duplicate\n // if (this.prefix === '?') {\n // this.savePrivateValues(this.params);\n // } else {\n // this.saveCursor(this.params);\n // }\n // break;\n\n // CSI Ps ; Ps ; Ps t\n // CSI Pt; Pl; Pb; Pr; Ps$ t\n // CSI > Ps; Ps t\n // CSI Ps SP t\n // case 't':\n // if (this.postfix === '$') {\n // this.reverseAttrInRectangle(this.params);\n // } else if (this.postfix === ' ') {\n // this.setWarningBellVolume(this.params);\n // } else {\n // if (this.prefix === '>') {\n // this.setTitleModeFeature(this.params);\n // } else {\n // this.manipulateWindow(this.params);\n // }\n // }\n // break;\n\n // CSI u Restore cursor (ANSI.SYS).\n // CSI Ps SP u\n // case 'u': // duplicate\n // if (this.postfix === ' ') {\n // this.setMarginBellVolume(this.params);\n // } else {\n // this.restoreCursor(this.params);\n // }\n // break;\n\n // CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v\n // case 'v':\n // if (this.postfix === '$') {\n // this.copyRectagle(this.params);\n // }\n // break;\n\n // CSI Pt ; Pl ; Pb ; Pr ' w\n // case 'w':\n // if (this.postfix === '\\'') {\n // this.enableFilterRectangle(this.params);\n // }\n // break;\n\n // CSI Ps x Request Terminal Parameters (DECREQTPARM).\n // CSI Ps x Select Attribute Change Extent (DECSACE).\n // CSI Pc; Pt; Pl; Pb; Pr$ x\n // case 'x':\n // if (this.postfix === '$') {\n // this.fillRectangle(this.params);\n // } else {\n // this.requestParameters(this.params);\n // //this.__(this.params);\n // }\n // break;\n\n // CSI Ps ; Pu ' z\n // CSI Pt; Pl; Pb; Pr$ z\n // case 'z':\n // if (this.postfix === '\\'') {\n // this.enableLocatorReporting(this.params);\n // } else if (this.postfix === '$') {\n // this.eraseRectangle(this.params);\n // }\n // break;\n\n // CSI Pm ' {\n // CSI Pt; Pl; Pb; Pr$ {\n // case '{':\n // if (this.postfix === '\\'') {\n // this.setLocatorEvents(this.params);\n // } else if (this.postfix === '$') {\n // this.selectiveEraseRectangle(this.params);\n // }\n // break;\n\n // CSI Ps ' |\n // case '|':\n // if (this.postfix === '\\'') {\n // this.requestLocatorPosition(this.params);\n // }\n // break;\n\n // CSI P m SP }\n // Insert P s Column(s) (default = 1) (DECIC), VT420 and up.\n // case '}':\n // if (this.postfix === ' ') {\n // this.insertColumns(this.params);\n // }\n // break;\n\n // CSI P m SP ~\n // Delete P s Column(s) (default = 1) (DECDC), VT420 and up\n // case '~':\n // if (this.postfix === ' ') {\n // this.deleteColumns(this.params);\n // }\n // break;\n\n default:\n this.error('Unknown CSI code: %s.', ch);\n break;\n }\n\n this.prefix = '';\n this.postfix = '';\n break;\n\n case dcs:\n if (ch === '\\x1b' || ch === '\\x07') {\n if (ch === '\\x1b') i++;\n\n switch (this.prefix) {\n // User-Defined Keys (DECUDK).\n case '':\n break;\n\n // Request Status String (DECRQSS).\n // test: echo -e '\\eP$q\"p\\e\\\\'\n case '$q':\n var pt = this.currentParam\n , valid = false;\n\n switch (pt) {\n // DECSCA\n case '\"q':\n pt = '0\"q';\n break;\n\n // DECSCL\n case '\"p':\n pt = '61\"p';\n break;\n\n // DECSTBM\n case 'r':\n pt = ''\n + (this.scrollTop + 1)\n + ';'\n + (this.scrollBottom + 1)\n + 'r';\n break;\n\n // SGR\n case 'm':\n pt = '0m';\n break;\n\n default:\n this.error('Unknown DCS Pt: %s.', pt);\n pt = '';\n break;\n }\n\n this.send('\\x1bP' + +valid + '$r' + pt + '\\x1b\\\\');\n break;\n\n // Set Termcap/Terminfo Data (xterm, experimental).\n case '+p':\n break;\n\n // Request Termcap/Terminfo String (xterm, experimental)\n // Regular xterm does not even respond to this sequence.\n // This can cause a small glitch in vim.\n // test: echo -ne '\\eP+q6b64\\e\\\\'\n case '+q':\n var pt = this.currentParam\n , valid = false;\n\n this.send('\\x1bP' + +valid + '+r' + pt + '\\x1b\\\\');\n break;\n\n default:\n this.error('Unknown DCS prefix: %s.', this.prefix);\n break;\n }\n\n this.currentParam = 0;\n this.prefix = '';\n this.state = normal;\n } else if (!this.currentParam) {\n if (!this.prefix && ch !== '$' && ch !== '+') {\n this.currentParam = ch;\n } else if (this.prefix.length === 2) {\n this.currentParam = ch;\n } else {\n this.prefix += ch;\n }\n } else {\n this.currentParam += ch;\n }\n break;\n\n case ignore:\n // For PM and APC.\n if (ch === '\\x1b' || ch === '\\x07') {\n if (ch === '\\x1b') i++;\n this.state = normal;\n }\n break;\n }\n }\n\n this.updateRange(this.y);\n this.refresh(this.refreshStart, this.refreshEnd);\n};\n\n/**\n * Writes text to the terminal, followed by a break line character (\\n).\n * @param {string} text The text to write to the terminal.\n */\nTerminal.prototype.writeln = function(data) {\n this.write(data + '\\r\\n');\n};\n\n/**\n * Attaches a custom keydown handler which is run before keys are processed, giving consumers of\n * xterm.js ultimate control as to what keys should be processed by the terminal and what keys\n * should not.\n * @param {function} customKeydownHandler The custom KeyboardEvent handler to attach. This is a\n * function that takes a KeyboardEvent, allowing consumers to stop propogation and/or prevent\n * the default action. The function returns whether the event should be processed by xterm.js.\n */\nTerminal.prototype.attachCustomKeydownHandler = function(customKeydownHandler) {\n this.customKeydownHandler = customKeydownHandler;\n}\n\n/**\n * Handle a keydown event\n * Key Resources:\n * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n * @param {KeyboardEvent} ev The keydown event to be handled.\n */\nTerminal.prototype.keyDown = function(ev) {\n if (this.customKeydownHandler && this.customKeydownHandler(ev) === false) {\n return false;\n }\n\n if (!this.compositionHelper.keydown.bind(this.compositionHelper)(ev)) {\n if (this.ybase !== this.ydisp) {\n this.scrollToBottom();\n }\n return false;\n }\n\n var self = this;\n var result = this.evaluateKeyEscapeSequence(ev);\n\n if (result.scrollDisp) {\n this.scrollDisp(result.scrollDisp);\n return this.cancel(ev, true);\n }\n\n if (isThirdLevelShift(this, ev)) {\n return true;\n }\n\n if (result.cancel) {\n // The event is canceled at the end already, is this necessary?\n this.cancel(ev, true);\n }\n\n if (!result.key) {\n return true;\n }\n\n this.emit('keydown', ev);\n this.emit('key', result.key, ev);\n this.showCursor();\n this.handler(result.key);\n\n return this.cancel(ev, true);\n};\n\n/**\n * Returns an object that determines how a KeyboardEvent should be handled. The key of the\n * returned value is the new key code to pass to the PTY.\n *\n * Reference: http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n * @param {KeyboardEvent} ev The keyboard event to be translated to key escape sequence.\n */\nTerminal.prototype.evaluateKeyEscapeSequence = function(ev) {\n var result = {\n // Whether to cancel event propogation (NOTE: this may not be needed since the event is\n // canceled at the end of keyDown\n cancel: false,\n // The new key even to emit\n key: undefined,\n // The number of characters to scroll, if this is defined it will cancel the event\n scrollDisp: undefined\n };\n var modifiers = ev.shiftKey << 0 | ev.altKey << 1 | ev.ctrlKey << 2 | ev.metaKey << 3;\n switch (ev.keyCode) {\n case 8:\n // backspace\n if (ev.shiftKey) {\n result.key = '\\x08'; // ^H\n break;\n }\n result.key = '\\x7f'; // ^?\n break;\n case 9:\n // tab\n if (ev.shiftKey) {\n result.key = '\\x1b[Z';\n break;\n }\n result.key = '\\t';\n result.cancel = true;\n break;\n case 13:\n // return/enter\n result.key = '\\r';\n result.cancel = true;\n break;\n case 27:\n // escape\n result.key = '\\x1b';\n result.cancel = true;\n break;\n case 37:\n // left-arrow\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'D';\n // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards\n // http://unix.stackexchange.com/a/108106\n if (result.key == '\\x1b[1;3D') {\n result.key = '\\x1b[1;5D';\n }\n } else if (this.applicationCursor) {\n result.key = '\\x1bOD';\n } else {\n result.key = '\\x1b[D';\n }\n break;\n case 39:\n // right-arrow\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'C';\n // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward\n // http://unix.stackexchange.com/a/108106\n if (result.key == '\\x1b[1;3C') {\n result.key = '\\x1b[1;5C';\n }\n } else if (this.applicationCursor) {\n result.key = '\\x1bOC';\n } else {\n result.key = '\\x1b[C';\n }\n break;\n case 38:\n // up-arrow\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'A';\n // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow\n // http://unix.stackexchange.com/a/108106\n if (result.key == '\\x1b[1;3A') {\n result.key = '\\x1b[1;5A';\n }\n } else if (this.applicationCursor) {\n result.key = '\\x1bOA';\n } else {\n result.key = '\\x1b[A';\n }\n break;\n case 40:\n // down-arrow\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'B';\n // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow\n // http://unix.stackexchange.com/a/108106\n if (result.key == '\\x1b[1;3B') {\n result.key = '\\x1b[1;5B';\n }\n } else if (this.applicationCursor) {\n result.key = '\\x1bOB';\n } else {\n result.key = '\\x1b[B';\n }\n break;\n case 45:\n // insert\n if (!ev.shiftKey && !ev.ctrlKey) {\n // <Ctrl> or <Shift> + <Insert> are used to\n // copy-paste on some systems.\n result.key = '\\x1b[2~';\n }\n break;\n case 46:\n // delete\n if (modifiers) {\n result.key = '\\x1b[3;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[3~';\n }\n break;\n case 36:\n // home\n if (modifiers)\n result.key = '\\x1b[1;' + (modifiers + 1) + 'H';\n else if (this.applicationCursor)\n result.key = '\\x1bOH';\n else\n result.key = '\\x1b[H';\n break;\n case 35:\n // end\n if (modifiers)\n result.key = '\\x1b[1;' + (modifiers + 1) + 'F';\n else if (this.applicationCursor)\n result.key = '\\x1bOF';\n else\n result.key = '\\x1b[F';\n break;\n case 33:\n // page up\n if (ev.shiftKey) {\n result.scrollDisp = -(this.rows - 1);\n } else {\n result.key = '\\x1b[5~';\n }\n break;\n case 34:\n // page down\n if (ev.shiftKey) {\n result.scrollDisp = this.rows - 1;\n } else {\n result.key = '\\x1b[6~';\n }\n break;\n case 112:\n // F1-F12\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'P';\n } else {\n result.key = '\\x1bOP';\n }\n break;\n case 113:\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'Q';\n } else {\n result.key = '\\x1bOQ';\n }\n break;\n case 114:\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'R';\n } else {\n result.key = '\\x1bOR';\n }\n break;\n case 115:\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'S';\n } else {\n result.key = '\\x1bOS';\n }\n break;\n case 116:\n if (modifiers) {\n result.key = '\\x1b[15;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[15~';\n }\n break;\n case 117:\n if (modifiers) {\n result.key = '\\x1b[17;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[17~';\n }\n break;\n case 118:\n if (modifiers) {\n result.key = '\\x1b[18;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[18~';\n }\n break;\n case 119:\n if (modifiers) {\n result.key = '\\x1b[19;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[19~';\n }\n break;\n case 120:\n if (modifiers) {\n result.key = '\\x1b[20;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[20~';\n }\n break;\n case 121:\n if (modifiers) {\n result.key = '\\x1b[21;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[21~';\n }\n break;\n case 122:\n if (modifiers) {\n result.key = '\\x1b[23;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[23~';\n }\n break;\n case 123:\n if (modifiers) {\n result.key = '\\x1b[24;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[24~';\n }\n break;\n default:\n // a-z and space\n if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {\n if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n result.key = String.fromCharCode(ev.keyCode - 64);\n } else if (ev.keyCode === 32) {\n // NUL\n result.key = String.fromCharCode(0);\n } else if (ev.keyCode >= 51 && ev.keyCode <= 55) {\n // escape, file sep, group sep, record sep, unit sep\n result.key = String.fromCharCode(ev.keyCode - 51 + 27);\n } else if (ev.keyCode === 56) {\n // delete\n result.key = String.fromCharCode(127);\n } else if (ev.keyCode === 219) {\n // ^[ - Control Sequence Introducer (CSI)\n result.key = String.fromCharCode(27);\n } else if (ev.keyCode === 220) {\n // ^\\ - String Terminator (ST)\n result.key = String.fromCharCode(28);\n } else if (ev.keyCode === 221) {\n // ^] - Operating System Command (OSC)\n result.key = String.fromCharCode(29);\n }\n } else if (!this.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) {\n // On Mac this is a third level shift. Use <Esc> instead.\n if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n result.key = '\\x1b' + String.fromCharCode(ev.keyCode + 32);\n } else if (ev.keyCode === 192) {\n result.key = '\\x1b`';\n } else if (ev.keyCode >= 48 && ev.keyCode <= 57) {\n result.key = '\\x1b' + (ev.keyCode - 48);\n }\n }\n break;\n }\n return result;\n};\n\n/**\n * Set the G level of the terminal\n * @param g\n */\nTerminal.prototype.setgLevel = function(g) {\n this.glevel = g;\n this.charset = this.charsets[g];\n};\n\n/**\n * Set the charset for the given G level of the terminal\n * @param g\n * @param charset\n */\nTerminal.prototype.setgCharset = function(g, charset) {\n this.charsets[g] = charset;\n if (this.glevel === g) {\n this.charset = charset;\n }\n};\n\n/**\n * Handle a keypress event.\n * Key Resources:\n * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n * @param {KeyboardEvent} ev The keypress event to be handled.\n */\nTerminal.prototype.keyPress = function(ev) {\n var key;\n\n this.cancel(ev);\n\n if (ev.charCode) {\n key = ev.charCode;\n } else if (ev.which == null) {\n key = ev.keyCode;\n } else if (ev.which !== 0 && ev.charCode !== 0) {\n key = ev.which;\n } else {\n return false;\n }\n\n if (!key || (\n (ev.altKey || ev.ctrlKey || ev.metaKey) && !isThirdLevelShift(this, ev)\n )) {\n return false;\n }\n\n key = String.fromCharCode(key);\n\n this.emit('keypress', key, ev);\n this.emit('key', key, ev);\n this.showCursor();\n this.handler(key);\n\n return false;\n};\n\n/**\n * Send data for handling to the terminal\n * @param {string} data\n */\nTerminal.prototype.send = function(data) {\n var self = this;\n\n if (!this.queue) {\n setTimeout(function() {\n self.handler(self.queue);\n self.queue = '';\n }, 1);\n }\n\n this.queue += data;\n};\n\n/**\n * Ring the bell.\n * Note: We could do sweet things with webaudio here\n */\nTerminal.prototype.bell = function() {\n if (!this.visualBell) return;\n var self = this;\n this.element.style.borderColor = 'white';\n setTimeout(function() {\n self.element.style.borderColor = '';\n }, 10);\n if (this.popOnBell) this.focus();\n};\n\n/**\n * Log the current state to the console.\n */\nTerminal.prototype.log = function() {\n if (!this.debug) return;\n if (!this.context.console || !this.context.console.log) return;\n var args = Array.prototype.slice.call(arguments);\n this.context.console.log.apply(this.context.console, args);\n};\n\n/**\n * Log the current state as error to the console.\n */\nTerminal.prototype.error = function() {\n if (!this.debug) return;\n if (!this.context.console || !this.context.console.error) return;\n var args = Array.prototype.slice.call(arguments);\n this.context.console.error.apply(this.context.console, args);\n};\n\n/**\n * Resizes the terminal.\n *\n * @param {number} x The number of columns to resize to.\n * @param {number} y The number of rows to resize to.\n */\nTerminal.prototype.resize = function(x, y) {\n var line\n , el\n , i\n , j\n , ch\n , addToY;\n\n if (x === this.cols && y === this.rows) {\n return;\n }\n\n if (x < 1) x = 1;\n if (y < 1) y = 1;\n\n // resize cols\n j = this.cols;\n if (j < x) {\n ch = [this.defAttr, ' ', 1]; // does xterm use the default attr?\n i = this.lines.length;\n while (i--) {\n while (this.lines[i].length < x) {\n this.lines[i].push(ch);\n }\n }\n } else { // (j > x)\n i = this.lines.length;\n while (i--) {\n while (this.lines[i].length > x) {\n this.lines[i].pop();\n }\n }\n }\n this.setupStops(j);\n this.cols = x;\n\n // resize rows\n j = this.rows;\n addToY = 0;\n if (j < y) {\n el = this.element;\n while (j++ < y) {\n // y is rows, not this.y\n if (this.lines.length < y + this.ybase) {\n if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {\n // There is room above the buffer and there are no empty elements below the line,\n // scroll up\n this.ybase--;\n addToY++\n if (this.ydisp > 0) {\n // Viewport is at the top of the buffer, must increase downwards\n this.ydisp--;\n }\n } else {\n // Add a blank line if there is no buffer left at the top to scroll to, or if there\n // are blank lines after the cursor\n this.lines.push(this.blankLine());\n }\n }\n if (this.children.length < y) {\n this.insertRow();\n }\n }\n } else { // (j > y)\n while (j-- > y) {\n if (this.lines.length > y + this.ybase) {\n if (this.lines.length > this.ybase + this.y + 1) {\n // The line is a blank line below the cursor, remove it\n this.lines.pop();\n } else {\n // The line is the cursor, scroll down\n this.ybase++;\n this.ydisp++;\n }\n }\n if (this.children.length > y) {\n el = this.children.shift();\n if (!el) continue;\n el.parentNode.removeChild(el);\n }\n }\n }\n this.rows = y;\n\n // Make sure that the cursor stays on screen\n if (this.y >= y) {\n this.y = y - 1;\n }\n if (addToY) {\n this.y += addToY;\n }\n\n if (this.x >= x) {\n this.x = x - 1;\n }\n\n this.scrollTop = 0;\n this.scrollBottom = y - 1;\n\n this.refresh(0, this.rows - 1);\n\n this.normal = null;\n\n this.geometry = [this.cols, this.rows];\n this.emit('resize', {terminal: this, cols: x, rows: y});\n};\n\n/**\n * Updates the range of rows to refresh\n * @param {number} y The number of rows to refresh next.\n */\nTerminal.prototype.updateRange = function(y) {\n if (y < this.refreshStart) this.refreshStart = y;\n if (y > this.refreshEnd) this.refreshEnd = y;\n // if (y > this.refreshEnd) {\n // this.refreshEnd = y;\n // if (y > this.rows - 1) {\n // this.refreshEnd = this.rows - 1;\n // }\n // }\n};\n\n/**\n * Set the range of refreshing to the maximum value\n */\nTerminal.prototype.maxRange = function() {\n this.refreshStart = 0;\n this.refreshEnd = this.rows - 1;\n};\n\n\n\n/**\n * Setup the tab stops.\n * @param {number} i\n */\nTerminal.prototype.setupStops = function(i) {\n if (i != null) {\n if (!this.tabs[i]) {\n i = this.prevStop(i);\n }\n } else {\n this.tabs = {};\n i = 0;\n }\n\n for (; i < this.cols; i += 8) {\n this.tabs[i] = true;\n }\n};\n\n\n/**\n * Move the cursor to the previous tab stop from the given position (default is current).\n * @param {number} x The position to move the cursor to the previous tab stop.\n */\nTerminal.prototype.prevStop = function(x) {\n if (x == null) x = this.x;\n while (!this.tabs[--x] && x > 0);\n return x >= this.cols\n ? this.cols - 1\n : x < 0 ? 0 : x;\n};\n\n\n/**\n * Move the cursor one tab stop forward from the given position (default is current).\n * @param {number} x The position to move the cursor one tab stop forward.\n */\nTerminal.prototype.nextStop = function(x) {\n if (x == null) x = this.x;\n while (!this.tabs[++x] && x < this.cols);\n return x >= this.cols\n ? this.cols - 1\n : x < 0 ? 0 : x;\n};\n\n\n/**\n * Erase in the identified line everything from \"x\" to the end of the line (right).\n * @param {number} x The column from which to start erasing to the end of the line.\n * @param {number} y The line in which to operate.\n */\nTerminal.prototype.eraseRight = function(x, y) {\n var line = this.lines[this.ybase + y]\n , ch = [this.eraseAttr(), ' ', 1]; // xterm\n\n\n for (; x < this.cols; x++) {\n line[x] = ch;\n }\n\n this.updateRange(y);\n};\n\n\n\n/**\n * Erase in the identified line everything from \"x\" to the start of the line (left).\n * @param {number} x The column from which to start erasing to the start of the line.\n * @param {number} y The line in which to operate.\n */\nTerminal.prototype.eraseLeft = function(x, y) {\n var line = this.lines[this.ybase + y]\n , ch = [this.eraseAttr(), ' ', 1]; // xterm\n\n x++;\n while (x--) line[x] = ch;\n\n this.updateRange(y);\n};\n\n/**\n * Clears the entire buffer, making the prompt line the new first line.\n */\nTerminal.prototype.clear = function() {\n if (this.ybase === 0 && this.y === 0) {\n // Don't clear if it's already clear\n return;\n }\n this.lines = [this.lines[this.ybase + this.y]];\n this.ydisp = 0;\n this.ybase = 0;\n this.y = 0;\n for (var i = 1; i < this.rows; i++) {\n this.lines.push(this.blankLine());\n }\n this.refresh(0, this.rows - 1);\n this.emit('scroll', this.ydisp);\n};\n\n/**\n * Erase all content in the given line\n * @param {number} y The line to erase all of its contents.\n */\nTerminal.prototype.eraseLine = function(y) {\n this.eraseRight(0, y);\n};\n\n\n/**\n * Return the data array of a blank line/\n * @param {number} cur First bunch of data for each \"blank\" character.\n */\nTerminal.prototype.blankLine = function(cur) {\n var attr = cur\n ? this.eraseAttr()\n : this.defAttr;\n\n var ch = [attr, ' ', 1] // width defaults to 1 halfwidth character\n , line = []\n , i = 0;\n\n for (; i < this.cols; i++) {\n line[i] = ch;\n }\n\n return line;\n};\n\n\n/**\n * If cur return the back color xterm feature attribute. Else return defAttr.\n * @param {object} cur\n */\nTerminal.prototype.ch = function(cur) {\n return cur\n ? [this.eraseAttr(), ' ', 1]\n : [this.defAttr, ' ', 1];\n};\n\n\n/**\n * Evaluate if the current erminal is the given argument.\n * @param {object} term The terminal to evaluate\n */\nTerminal.prototype.is = function(term) {\n var name = this.termName;\n return (name + '').indexOf(term) === 0;\n};\n\n\n/**\n * Emit the 'data' event and populate the given data.\n * @param {string} data The data to populate in the event.\n */\nTerminal.prototype.handler = function(data) {\n // Input is being sent to the terminal, the terminal should focus the prompt.\n if (this.ybase !== this.ydisp) {\n this.scrollToBottom();\n }\n this.emit('data', data);\n};\n\n\n/**\n * Emit the 'title' event and populate the given title.\n * @param {string} title The title to populate in the event.\n */\nTerminal.prototype.handleTitle = function(title) {\n /**\n * This event is emitted when the title of the terminal is changed\n * from inside the terminal. The parameter is the new title.\n *\n * @event title\n */\n this.emit('title', title);\n};\n\n\n/**\n * ESC\n */\n\n/**\n * ESC D Index (IND is 0x84).\n */\nTerminal.prototype.index = function() {\n this.y++;\n if (this.y > this.scrollBottom) {\n this.y--;\n this.scroll();\n }\n this.state = normal;\n};\n\n\n/**\n * ESC M Reverse Index (RI is 0x8d).\n */\nTerminal.prototype.reverseIndex = function() {\n var j;\n this.y--;\n if (this.y < this.scrollTop) {\n this.y++;\n // possibly move the code below to term.reverseScroll();\n // test: echo -ne '\\e[1;1H\\e[44m\\eM\\e[0m'\n // blankLine(true) is xterm/linux behavior\n this.lines.splice(this.y + this.ybase, 0, this.blankLine(true));\n j = this.rows - 1 - this.scrollBottom;\n this.lines.splice(this.rows - 1 + this.ybase - j + 1, 1);\n // this.maxRange();\n this.updateRange(this.scrollTop);\n this.updateRange(this.scrollBottom);\n }\n this.state = normal;\n};\n\n\n/**\n * ESC c Full Reset (RIS).\n */\nTerminal.prototype.reset = function() {\n this.options.rows = this.rows;\n this.options.cols = this.cols;\n var customKeydownHandler = this.customKeydownHandler;\n Terminal.call(this, this.options);\n this.customKeydownHandler = customKeydownHandler;\n this.refresh(0, this.rows - 1);\n this.viewport.syncScrollArea();\n};\n\n\n/**\n * ESC H Tab Set (HTS is 0x88).\n */\nTerminal.prototype.tabSet = function() {\n this.tabs[this.x] = true;\n this.state = normal;\n};\n\n\n/**\n * CSI\n */\n\n/**\n * CSI Ps A\n * Cursor Up Ps Times (default = 1) (CUU).\n */\nTerminal.prototype.cursorUp = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y -= param;\n if (this.y < 0) this.y = 0;\n};\n\n\n/**\n * CSI Ps B\n * Cursor Down Ps Times (default = 1) (CUD).\n */\nTerminal.prototype.cursorDown = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y += param;\n if (this.y >= this.rows) {\n this.y = this.rows - 1;\n }\n};\n\n\n/**\n * CSI Ps C\n * Cursor Forward Ps Times (default = 1) (CUF).\n */\nTerminal.prototype.cursorForward = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.x += param;\n if (this.x >= this.cols) {\n this.x = this.cols - 1;\n }\n};\n\n\n/**\n * CSI Ps D\n * Cursor Backward Ps Times (default = 1) (CUB).\n */\nTerminal.prototype.cursorBackward = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.x -= param;\n if (this.x < 0) this.x = 0;\n};\n\n\n/**\n * CSI Ps ; Ps H\n * Cursor Position [row;column] (default = [1,1]) (CUP).\n */\nTerminal.prototype.cursorPos = function(params) {\n var row, col;\n\n row = params[0] - 1;\n\n if (params.length >= 2) {\n col = params[1] - 1;\n } else {\n col = 0;\n }\n\n if (row < 0) {\n row = 0;\n } else if (row >= this.rows) {\n row = this.rows - 1;\n }\n\n if (col < 0) {\n col = 0;\n } else if (col >= this.cols) {\n col = this.cols - 1;\n }\n\n this.x = col;\n this.y = row;\n};\n\n\n/**\n * CSI Ps J Erase in Display (ED).\n * Ps = 0 -> Erase Below (default).\n * Ps = 1 -> Erase Above.\n * Ps = 2 -> Erase All.\n * Ps = 3 -> Erase Saved Lines (xterm).\n * CSI ? Ps J\n * Erase in Display (DECSED).\n * Ps = 0 -> Selective Erase Below (default).\n * Ps = 1 -> Selective Erase Above.\n * Ps = 2 -> Selective Erase All.\n */\nTerminal.prototype.eraseInDisplay = function(params) {\n var j;\n switch (params[0]) {\n case 0:\n this.eraseRight(this.x, this.y);\n j = this.y + 1;\n for (; j < this.rows; j++) {\n this.eraseLine(j);\n }\n break;\n case 1:\n this.eraseLeft(this.x, this.y);\n j = this.y;\n while (j--) {\n this.eraseLine(j);\n }\n break;\n case 2:\n j = this.rows;\n while (j--) this.eraseLine(j);\n break;\n case 3:\n ; // no saved lines\n break;\n }\n};\n\n\n/**\n * CSI Ps K Erase in Line (EL).\n * Ps = 0 -> Erase to Right (default).\n * Ps = 1 -> Erase to Left.\n * Ps = 2 -> Erase All.\n * CSI ? Ps K\n * Erase in Line (DECSEL).\n * Ps = 0 -> Selective Erase to Right (default).\n * Ps = 1 -> Selective Erase to Left.\n * Ps = 2 -> Selective Erase All.\n */\nTerminal.prototype.eraseInLine = function(params) {\n switch (params[0]) {\n case 0:\n this.eraseRight(this.x, this.y);\n break;\n case 1:\n this.eraseLeft(this.x, this.y);\n break;\n case 2:\n this.eraseLine(this.y);\n break;\n }\n};\n\n\n/**\n * CSI Pm m Character Attributes (SGR).\n * Ps = 0 -> Normal (default).\n * Ps = 1 -> Bold.\n * Ps = 4 -> Underlined.\n * Ps = 5 -> Blink (appears as Bold).\n * Ps = 7 -> Inverse.\n * Ps = 8 -> Invisible, i.e., hidden (VT300).\n * Ps = 2 2 -> Normal (neither bold nor faint).\n * Ps = 2 4 -> Not underlined.\n * Ps = 2 5 -> Steady (not blinking).\n * Ps = 2 7 -> Positive (not inverse).\n * Ps = 2 8 -> Visible, i.e., not hidden (VT300).\n * Ps = 3 0 -> Set foreground color to Black.\n * Ps = 3 1 -> Set foreground color to Red.\n * Ps = 3 2 -> Set foreground color to Green.\n * Ps = 3 3 -> Set foreground color to Yellow.\n * Ps = 3 4 -> Set foreground color to Blue.\n * Ps = 3 5 -> Set foreground color to Magenta.\n * Ps = 3 6 -> Set foreground color to Cyan.\n * Ps = 3 7 -> Set foreground color to White.\n * Ps = 3 9 -> Set foreground color to default (original).\n * Ps = 4 0 -> Set background color to Black.\n * Ps = 4 1 -> Set background color to Red.\n * Ps = 4 2 -> Set background color to Green.\n * Ps = 4 3 -> Set background color to Yellow.\n * Ps = 4 4 -> Set background color to Blue.\n * Ps = 4 5 -> Set background color to Magenta.\n * Ps = 4 6 -> Set background color to Cyan.\n * Ps = 4 7 -> Set background color to White.\n * Ps = 4 9 -> Set background color to default (original).\n *\n * If 16-color support is compiled, the following apply. Assume\n * that xterm's resources are set so that the ISO color codes are\n * the first 8 of a set of 16. Then the aixterm colors are the\n * bright versions of the ISO colors:\n * Ps = 9 0 -> Set foreground color to Black.\n * Ps = 9 1 -> Set foreground color to Red.\n * Ps = 9 2 -> Set foreground color to Green.\n * Ps = 9 3 -> Set foreground color to Yellow.\n * Ps = 9 4 -> Set foreground color to Blue.\n * Ps = 9 5 -> Set foreground color to Magenta.\n * Ps = 9 6 -> Set foreground color to Cyan.\n * Ps = 9 7 -> Set foreground color to White.\n * Ps = 1 0 0 -> Set background color to Black.\n * Ps = 1 0 1 -> Set background color to Red.\n * Ps = 1 0 2 -> Set background color to Green.\n * Ps = 1 0 3 -> Set background color to Yellow.\n * Ps = 1 0 4 -> Set background color to Blue.\n * Ps = 1 0 5 -> Set background color to Magenta.\n * Ps = 1 0 6 -> Set background color to Cyan.\n * Ps = 1 0 7 -> Set background color to White.\n *\n * If xterm is compiled with the 16-color support disabled, it\n * supports the following, from rxvt:\n * Ps = 1 0 0 -> Set foreground and background color to\n * default.\n *\n * If 88- or 256-color support is compiled, the following apply.\n * Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second\n * Ps.\n * Ps = 4 8 ; 5 ; Ps -> Set background color to the second\n * Ps.\n */\nTerminal.prototype.charAttributes = function(params) {\n // Optimize a single SGR0.\n if (params.length === 1 && params[0] === 0) {\n this.curAttr = this.defAttr;\n return;\n }\n\n var l = params.length\n , i = 0\n , flags = this.curAttr >> 18\n , fg = (this.curAttr >> 9) & 0x1ff\n , bg = this.curAttr & 0x1ff\n , p;\n\n for (; i < l; i++) {\n p = params[i];\n if (p >= 30 && p <= 37) {\n // fg color 8\n fg = p - 30;\n } else if (p >= 40 && p <= 47) {\n // bg color 8\n bg = p - 40;\n } else if (p >= 90 && p <= 97) {\n // fg color 16\n p += 8;\n fg = p - 90;\n } else if (p >= 100 && p <= 107) {\n // bg color 16\n p += 8;\n bg = p - 100;\n } else if (p === 0) {\n // default\n flags = this.defAttr >> 18;\n fg = (this.defAttr >> 9) & 0x1ff;\n bg = this.defAttr & 0x1ff;\n // flags = 0;\n // fg = 0x1ff;\n // bg = 0x1ff;\n } else if (p === 1) {\n // bold text\n flags |= 1;\n } else if (p === 4) {\n // underlined text\n flags |= 2;\n } else if (p === 5) {\n // blink\n flags |= 4;\n } else if (p === 7) {\n // inverse and positive\n // test with: echo -e '\\e[31m\\e[42mhello\\e[7mworld\\e[27mhi\\e[m'\n flags |= 8;\n } else if (p === 8) {\n // invisible\n flags |= 16;\n } else if (p === 22) {\n // not bold\n flags &= ~1;\n } else if (p === 24) {\n // not underlined\n flags &= ~2;\n } else if (p === 25) {\n // not blink\n flags &= ~4;\n } else if (p === 27) {\n // not inverse\n flags &= ~8;\n } else if (p === 28) {\n // not invisible\n flags &= ~16;\n } else if (p === 39) {\n // reset fg\n fg = (this.defAttr >> 9) & 0x1ff;\n } else if (p === 49) {\n // reset bg\n bg = this.defAttr & 0x1ff;\n } else if (p === 38) {\n // fg color 256\n if (params[i + 1] === 2) {\n i += 2;\n fg = matchColor(\n params[i] & 0xff,\n params[i + 1] & 0xff,\n params[i + 2] & 0xff);\n if (fg === -1) fg = 0x1ff;\n i += 2;\n } else if (params[i + 1] === 5) {\n i += 2;\n p = params[i] & 0xff;\n fg = p;\n }\n } else if (p === 48) {\n // bg color 256\n if (params[i + 1] === 2) {\n i += 2;\n bg = matchColor(\n params[i] & 0xff,\n params[i + 1] & 0xff,\n params[i + 2] & 0xff);\n if (bg === -1) bg = 0x1ff;\n i += 2;\n } else if (params[i + 1] === 5) {\n i += 2;\n p = params[i] & 0xff;\n bg = p;\n }\n } else if (p === 100) {\n // reset fg/bg\n fg = (this.defAttr >> 9) & 0x1ff;\n bg = this.defAttr & 0x1ff;\n } else {\n this.error('Unknown SGR attribute: %d.', p);\n }\n }\n\n this.curAttr = (flags << 18) | (fg << 9) | bg;\n};\n\n\n/**\n * CSI Ps n Device Status Report (DSR).\n * Ps = 5 -> Status Report. Result (``OK'') is\n * CSI 0 n\n * Ps = 6 -> Report Cursor Position (CPR) [row;column].\n * Result is\n * CSI r ; c R\n * CSI ? Ps n\n * Device Status Report (DSR, DEC-specific).\n * Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI\n * ? r ; c R (assumes page is zero).\n * Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready).\n * or CSI ? 1 1 n (not ready).\n * Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked)\n * or CSI ? 2 1 n (locked).\n * Ps = 2 6 -> Report Keyboard status as\n * CSI ? 2 7 ; 1 ; 0 ; 0 n (North American).\n * The last two parameters apply to VT400 & up, and denote key-\n * board ready and LK01 respectively.\n * Ps = 5 3 -> Report Locator status as\n * CSI ? 5 3 n Locator available, if compiled-in, or\n * CSI ? 5 0 n No Locator, if not.\n */\nTerminal.prototype.deviceStatus = function(params) {\n if (!this.prefix) {\n switch (params[0]) {\n case 5:\n // status report\n this.send('\\x1b[0n');\n break;\n case 6:\n // cursor position\n this.send('\\x1b['\n + (this.y + 1)\n + ';'\n + (this.x + 1)\n + 'R');\n break;\n }\n } else if (this.prefix === '?') {\n // modern xterm doesnt seem to\n // respond to any of these except ?6, 6, and 5\n switch (params[0]) {\n case 6:\n // cursor position\n this.send('\\x1b[?'\n + (this.y + 1)\n + ';'\n + (this.x + 1)\n + 'R');\n break;\n case 15:\n // no printer\n // this.send('\\x1b[?11n');\n break;\n case 25:\n // dont support user defined keys\n // this.send('\\x1b[?21n');\n break;\n case 26:\n // north american keyboard\n // this.send('\\x1b[?27;1;0;0n');\n break;\n case 53:\n // no dec locator/mouse\n // this.send('\\x1b[?50n');\n break;\n }\n }\n};\n\n\n/**\n * Additions\n */\n\n/**\n * CSI Ps @\n * Insert Ps (Blank) Character(s) (default = 1) (ICH).\n */\nTerminal.prototype.insertChars = function(params) {\n var param, row, j, ch;\n\n param = params[0];\n if (param < 1) param = 1;\n\n row = this.y + this.ybase;\n j = this.x;\n ch = [this.eraseAttr(), ' ', 1]; // xterm\n\n while (param-- && j < this.cols) {\n this.lines[row].splice(j++, 0, ch);\n this.lines[row].pop();\n }\n};\n\n/**\n * CSI Ps E\n * Cursor Next Line Ps Times (default = 1) (CNL).\n * same as CSI Ps B ?\n */\nTerminal.prototype.cursorNextLine = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y += param;\n if (this.y >= this.rows) {\n this.y = this.rows - 1;\n }\n this.x = 0;\n};\n\n\n/**\n * CSI Ps F\n * Cursor Preceding Line Ps Times (default = 1) (CNL).\n * reuse CSI Ps A ?\n */\nTerminal.prototype.cursorPrecedingLine = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y -= param;\n if (this.y < 0) this.y = 0;\n this.x = 0;\n};\n\n\n/**\n * CSI Ps G\n * Cursor Character Absolute [column] (default = [row,1]) (CHA).\n */\nTerminal.prototype.cursorCharAbsolute = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.x = param - 1;\n};\n\n\n/**\n * CSI Ps L\n * Insert Ps Line(s) (default = 1) (IL).\n */\nTerminal.prototype.insertLines = function(params) {\n var param, row, j;\n\n param = params[0];\n if (param < 1) param = 1;\n row = this.y + this.ybase;\n\n j = this.rows - 1 - this.scrollBottom;\n j = this.rows - 1 + this.ybase - j + 1;\n\n while (param--) {\n // test: echo -e '\\e[44m\\e[1L\\e[0m'\n // blankLine(true) - xterm/linux behavior\n this.lines.splice(row, 0, this.blankLine(true));\n this.lines.splice(j, 1);\n }\n\n // this.maxRange();\n this.updateRange(this.y);\n this.updateRange(this.scrollBottom);\n};\n\n\n/**\n * CSI Ps M\n * Delete Ps Line(s) (default = 1) (DL).\n */\nTerminal.prototype.deleteLines = function(params) {\n var param, row, j;\n\n param = params[0];\n if (param < 1) param = 1;\n row = this.y + this.ybase;\n\n j = this.rows - 1 - this.scrollBottom;\n j = this.rows - 1 + this.ybase - j;\n\n while (param--) {\n // test: echo -e '\\e[44m\\e[1M\\e[0m'\n // blankLine(true) - xterm/linux behavior\n this.lines.splice(j + 1, 0, this.blankLine(true));\n this.lines.splice(row, 1);\n }\n\n // this.maxRange();\n this.updateRange(this.y);\n this.updateRange(this.scrollBottom);\n};\n\n\n/**\n * CSI Ps P\n * Delete Ps Character(s) (default = 1) (DCH).\n */\nTerminal.prototype.deleteChars = function(params) {\n var param, row, ch;\n\n param = params[0];\n if (param < 1) param = 1;\n\n row = this.y + this.ybase;\n ch = [this.eraseAttr(), ' ', 1]; // xterm\n\n while (param--) {\n this.lines[row].splice(this.x, 1);\n this.lines[row].push(ch);\n }\n};\n\n/**\n * CSI Ps X\n * Erase Ps Character(s) (default = 1) (ECH).\n */\nTerminal.prototype.eraseChars = function(params) {\n var param, row, j, ch;\n\n param = params[0];\n if (param < 1) param = 1;\n\n row = this.y + this.ybase;\n j = this.x;\n ch = [this.eraseAttr(), ' ', 1]; // xterm\n\n while (param-- && j < this.cols) {\n this.lines[row][j++] = ch;\n }\n};\n\n/**\n * CSI Pm ` Character Position Absolute\n * [column] (default = [row,1]) (HPA).\n */\nTerminal.prototype.charPosAbsolute = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.x = param - 1;\n if (this.x >= this.cols) {\n this.x = this.cols - 1;\n }\n};\n\n\n/**\n * 141 61 a * HPR -\n * Horizontal Position Relative\n * reuse CSI Ps C ?\n */\nTerminal.prototype.HPositionRelative = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.x += param;\n if (this.x >= this.cols) {\n this.x = this.cols - 1;\n }\n};\n\n\n/**\n * CSI Ps c Send Device Attributes (Primary DA).\n * Ps = 0 or omitted -> request attributes from terminal. The\n * response depends on the decTerminalID resource setting.\n * -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'')\n * -> CSI ? 1 ; 0 c (``VT101 with No Options'')\n * -> CSI ? 6 c (``VT102'')\n * -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'')\n * The VT100-style response parameters do not mean anything by\n * themselves. VT220 parameters do, telling the host what fea-\n * tures the terminal supports:\n * Ps = 1 -> 132-columns.\n * Ps = 2 -> Printer.\n * Ps = 6 -> Selective erase.\n * Ps = 8 -> User-defined keys.\n * Ps = 9 -> National replacement character sets.\n * Ps = 1 5 -> Technical characters.\n * Ps = 2 2 -> ANSI color, e.g., VT525.\n * Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode).\n * CSI > Ps c\n * Send Device Attributes (Secondary DA).\n * Ps = 0 or omitted -> request the terminal's identification\n * code. The response depends on the decTerminalID resource set-\n * ting. It should apply only to VT220 and up, but xterm extends\n * this to VT100.\n * -> CSI > Pp ; Pv ; Pc c\n * where Pp denotes the terminal type\n * Pp = 0 -> ``VT100''.\n * Pp = 1 -> ``VT220''.\n * and Pv is the firmware version (for xterm, this was originally\n * the XFree86 patch number, starting with 95). In a DEC termi-\n * nal, Pc indicates the ROM cartridge registration number and is\n * always zero.\n * More information:\n * xterm/charproc.c - line 2012, for more information.\n * vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)\n */\nTerminal.prototype.sendDeviceAttributes = function(params) {\n if (params[0] > 0) return;\n\n if (!this.prefix) {\n if (this.is('xterm')\n || this.is('rxvt-unicode')\n || this.is('screen')) {\n this.send('\\x1b[?1;2c');\n } else if (this.is('linux')) {\n this.send('\\x1b[?6c');\n }\n } else if (this.prefix === '>') {\n // xterm and urxvt\n // seem to spit this\n // out around ~370 times (?).\n if (this.is('xterm')) {\n this.send('\\x1b[>0;276;0c');\n } else if (this.is('rxvt-unicode')) {\n this.send('\\x1b[>85;95;0c');\n } else if (this.is('linux')) {\n // not supported by linux console.\n // linux console echoes parameters.\n this.send(params[0] + 'c');\n } else if (this.is('screen')) {\n this.send('\\x1b[>83;40003;0c');\n }\n }\n};\n\n\n/**\n * CSI Pm d\n * Line Position Absolute [row] (default = [1,column]) (VPA).\n */\nTerminal.prototype.linePosAbsolute = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y = param - 1;\n if (this.y >= this.rows) {\n this.y = this.rows - 1;\n }\n};\n\n\n/**\n * 145 65 e * VPR - Vertical Position Relative\n * reuse CSI Ps B ?\n */\nTerminal.prototype.VPositionRelative = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y += param;\n if (this.y >= this.rows) {\n this.y = this.rows - 1;\n }\n};\n\n\n/**\n * CSI Ps ; Ps f\n * Horizontal and Vertical Position [row;column] (default =\n * [1,1]) (HVP).\n */\nTerminal.prototype.HVPosition = function(params) {\n if (params[0] < 1) params[0] = 1;\n if (params[1] < 1) params[1] = 1;\n\n this.y = params[0] - 1;\n if (this.y >= this.rows) {\n this.y = this.rows - 1;\n }\n\n this.x = params[1] - 1;\n if (this.x >= this.cols) {\n this.x = this.cols - 1;\n }\n};\n\n\n/**\n * CSI Pm h Set Mode (SM).\n * Ps = 2 -> Keyboard Action Mode (AM).\n * Ps = 4 -> Insert Mode (IRM).\n * Ps = 1 2 -> Send/receive (SRM).\n * Ps = 2 0 -> Automatic Newline (LNM).\n * CSI ? Pm h\n * DEC Private Mode Set (DECSET).\n * Ps = 1 -> Application Cursor Keys (DECCKM).\n * Ps = 2 -> Designate USASCII for character sets G0-G3\n * (DECANM), and set VT100 mode.\n * Ps = 3 -> 132 Column Mode (DECCOLM).\n * Ps = 4 -> Smooth (Slow) Scroll (DECSCLM).\n * Ps = 5 -> Reverse Video (DECSCNM).\n * Ps = 6 -> Origin Mode (DECOM).\n * Ps = 7 -> Wraparound Mode (DECAWM).\n * Ps = 8 -> Auto-repeat Keys (DECARM).\n * Ps = 9 -> Send Mouse X & Y on button press. See the sec-\n * tion Mouse Tracking.\n * Ps = 1 0 -> Show toolbar (rxvt).\n * Ps = 1 2 -> Start Blinking Cursor (att610).\n * Ps = 1 8 -> Print form feed (DECPFF).\n * Ps = 1 9 -> Set print extent to full screen (DECPEX).\n * Ps = 2 5 -> Show Cursor (DECTCEM).\n * Ps = 3 0 -> Show scrollbar (rxvt).\n * Ps = 3 5 -> Enable font-shifting functions (rxvt).\n * Ps = 3 8 -> Enter Tektronix Mode (DECTEK).\n * Ps = 4 0 -> Allow 80 -> 132 Mode.\n * Ps = 4 1 -> more(1) fix (see curses resource).\n * Ps = 4 2 -> Enable Nation Replacement Character sets (DECN-\n * RCM).\n * Ps = 4 4 -> Turn On Margin Bell.\n * Ps = 4 5 -> Reverse-wraparound Mode.\n * Ps = 4 6 -> Start Logging. This is normally disabled by a\n * compile-time option.\n * Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis-\n * abled by the titeInhibit resource).\n * Ps = 6 6 -> Application keypad (DECNKM).\n * Ps = 6 7 -> Backarrow key sends backspace (DECBKM).\n * Ps = 1 0 0 0 -> Send Mouse X & Y on button press and\n * release. See the section Mouse Tracking.\n * Ps = 1 0 0 1 -> Use Hilite Mouse Tracking.\n * Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking.\n * Ps = 1 0 0 3 -> Use All Motion Mouse Tracking.\n * Ps = 1 0 0 4 -> Send FocusIn/FocusOut events.\n * Ps = 1 0 0 5 -> Enable Extended Mouse Mode.\n * Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt).\n * Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt).\n * Ps = 1 0 3 4 -> Interpret \"meta\" key, sets eighth bit.\n * (enables the eightBitInput resource).\n * Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num-\n * Lock keys. (This enables the numLock resource).\n * Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This\n * enables the metaSendsEscape resource).\n * Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete\n * key.\n * Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This\n * enables the altSendsEscape resource).\n * Ps = 1 0 4 0 -> Keep selection even if not highlighted.\n * (This enables the keepSelection resource).\n * Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables\n * the selectToClipboard resource).\n * Ps = 1 0 4 2 -> Enable Urgency window manager hint when\n * Control-G is received. (This enables the bellIsUrgent\n * resource).\n * Ps = 1 0 4 3 -> Enable raising of the window when Control-G\n * is received. (enables the popOnBell resource).\n * Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be\n * disabled by the titeInhibit resource).\n * Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis-\n * abled by the titeInhibit resource).\n * Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate\n * Screen Buffer, clearing it first. (This may be disabled by\n * the titeInhibit resource). This combines the effects of the 1\n * 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based\n * applications rather than the 4 7 mode.\n * Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode.\n * Ps = 1 0 5 1 -> Set Sun function-key mode.\n * Ps = 1 0 5 2 -> Set HP function-key mode.\n * Ps = 1 0 5 3 -> Set SCO function-key mode.\n * Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6).\n * Ps = 1 0 6 1 -> Set VT220 keyboard emulation.\n * Ps = 2 0 0 4 -> Set bracketed paste mode.\n * Modes:\n * http: *vt100.net/docs/vt220-rm/chapter4.html\n */\nTerminal.prototype.setMode = function(params) {\n if (typeof params === 'object') {\n var l = params.length\n , i = 0;\n\n for (; i < l; i++) {\n this.setMode(params[i]);\n }\n\n return;\n }\n\n if (!this.prefix) {\n switch (params) {\n case 4:\n this.insertMode = true;\n break;\n case 20:\n //this.convertEol = true;\n break;\n }\n } else if (this.prefix === '?') {\n switch (params) {\n case 1:\n this.applicationCursor = true;\n break;\n case 2:\n this.setgCharset(0, Terminal.charsets.US);\n this.setgCharset(1, Terminal.charsets.US);\n this.setgCharset(2, Terminal.charsets.US);\n this.setgCharset(3, Terminal.charsets.US);\n // set VT100 mode here\n break;\n case 3: // 132 col mode\n this.savedCols = this.cols;\n this.resize(132, this.rows);\n break;\n case 6:\n this.originMode = true;\n break;\n case 7:\n this.wraparoundMode = true;\n break;\n case 12:\n // this.cursorBlink = true;\n break;\n case 66:\n this.log('Serial port requested application keypad.');\n this.applicationKeypad = true;\n this.viewport.syncScrollArea();\n break;\n case 9: // X10 Mouse\n // no release, no motion, no wheel, no modifiers.\n case 1000: // vt200 mouse\n // no motion.\n // no modifiers, except control on the wheel.\n case 1002: // button event mouse\n case 1003: // any event mouse\n // any event - sends motion events,\n // even if there is no button held down.\n this.x10Mouse = params === 9;\n this.vt200Mouse = params === 1000;\n this.normalMouse = params > 1000;\n this.mouseEvents = true;\n this.element.style.cursor = 'default';\n this.log('Binding to mouse events.');\n break;\n case 1004: // send focusin/focusout events\n // focusin: ^[[I\n // focusout: ^[[O\n this.sendFocus = true;\n break;\n case 1005: // utf8 ext mode mouse\n this.utfMouse = true;\n // for wide terminals\n // simply encodes large values as utf8 characters\n break;\n case 1006: // sgr ext mode mouse\n this.sgrMouse = true;\n // for wide terminals\n // does not add 32 to fields\n // press: ^[[<b;x;yM\n // release: ^[[<b;x;ym\n break;\n case 1015: // urxvt ext mode mouse\n this.urxvtMouse = true;\n // for wide terminals\n // numbers for fields\n // press: ^[[b;x;yM\n // motion: ^[[b;x;yT\n break;\n case 25: // show cursor\n this.cursorHidden = false;\n break;\n case 1049: // alt screen buffer cursor\n //this.saveCursor();\n ; // FALL-THROUGH\n case 47: // alt screen buffer\n case 1047: // alt screen buffer\n if (!this.normal) {\n var normal = {\n lines: this.lines,\n ybase: this.ybase,\n ydisp: this.ydisp,\n x: this.x,\n y: this.y,\n scrollTop: this.scrollTop,\n scrollBottom: this.scrollBottom,\n tabs: this.tabs\n // XXX save charset(s) here?\n // charset: this.charset,\n // glevel: this.glevel,\n // charsets: this.charsets\n };\n this.reset();\n this.normal = normal;\n this.showCursor();\n }\n break;\n }\n }\n};\n\n/**\n * CSI Pm l Reset Mode (RM).\n * Ps = 2 -> Keyboard Action Mode (AM).\n * Ps = 4 -> Replace Mode (IRM).\n * Ps = 1 2 -> Send/receive (SRM).\n * Ps = 2 0 -> Normal Linefeed (LNM).\n * CSI ? Pm l\n * DEC Private Mode Reset (DECRST).\n * Ps = 1 -> Normal Cursor Keys (DECCKM).\n * Ps = 2 -> Designate VT52 mode (DECANM).\n * Ps = 3 -> 80 Column Mode (DECCOLM).\n * Ps = 4 -> Jump (Fast) Scroll (DECSCLM).\n * Ps = 5 -> Normal Video (DECSCNM).\n * Ps = 6 -> Normal Cursor Mode (DECOM).\n * Ps = 7 -> No Wraparound Mode (DECAWM).\n * Ps = 8 -> No Auto-repeat Keys (DECARM).\n * Ps = 9 -> Don't send Mouse X & Y on button press.\n * Ps = 1 0 -> Hide toolbar (rxvt).\n * Ps = 1 2 -> Stop Blinking Cursor (att610).\n * Ps = 1 8 -> Don't print form feed (DECPFF).\n * Ps = 1 9 -> Limit print to scrolling region (DECPEX).\n * Ps = 2 5 -> Hide Cursor (DECTCEM).\n * Ps = 3 0 -> Don't show scrollbar (rxvt).\n * Ps = 3 5 -> Disable font-shifting functions (rxvt).\n * Ps = 4 0 -> Disallow 80 -> 132 Mode.\n * Ps = 4 1 -> No more(1) fix (see curses resource).\n * Ps = 4 2 -> Disable Nation Replacement Character sets (DEC-\n * NRCM).\n * Ps = 4 4 -> Turn Off Margin Bell.\n * Ps = 4 5 -> No Reverse-wraparound Mode.\n * Ps = 4 6 -> Stop Logging. (This is normally disabled by a\n * compile-time option).\n * Ps = 4 7 -> Use Normal Screen Buffer.\n * Ps = 6 6 -> Numeric keypad (DECNKM).\n * Ps = 6 7 -> Backarrow key sends delete (DECBKM).\n * Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and\n * release. See the section Mouse Tracking.\n * Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking.\n * Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking.\n * Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking.\n * Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events.\n * Ps = 1 0 0 5 -> Disable Extended Mouse Mode.\n * Ps = 1 0 1 0 -> Don't scroll to bottom on tty output\n * (rxvt).\n * Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt).\n * Ps = 1 0 3 4 -> Don't interpret \"meta\" key. (This disables\n * the eightBitInput resource).\n * Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num-\n * Lock keys. (This disables the numLock resource).\n * Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key.\n * (This disables the metaSendsEscape resource).\n * Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad\n * Delete key.\n * Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key.\n * (This disables the altSendsEscape resource).\n * Ps = 1 0 4 0 -> Do not keep selection when not highlighted.\n * (This disables the keepSelection resource).\n * Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables\n * the selectToClipboard resource).\n * Ps = 1 0 4 2 -> Disable Urgency window manager hint when\n * Control-G is received. (This disables the bellIsUrgent\n * resource).\n * Ps = 1 0 4 3 -> Disable raising of the window when Control-\n * G is received. (This disables the popOnBell resource).\n * Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen\n * first if in the Alternate Screen. (This may be disabled by\n * the titeInhibit resource).\n * Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be\n * disabled by the titeInhibit resource).\n * Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor\n * as in DECRC. (This may be disabled by the titeInhibit\n * resource). This combines the effects of the 1 0 4 7 and 1 0\n * 4 8 modes. Use this with terminfo-based applications rather\n * than the 4 7 mode.\n * Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode.\n * Ps = 1 0 5 1 -> Reset Sun function-key mode.\n * Ps = 1 0 5 2 -> Reset HP function-key mode.\n * Ps = 1 0 5 3 -> Reset SCO function-key mode.\n * Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6).\n * Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style.\n * Ps = 2 0 0 4 -> Reset bracketed paste mode.\n */\nTerminal.prototype.resetMode = function(params) {\n if (typeof params === 'object') {\n var l = params.length\n , i = 0;\n\n for (; i < l; i++) {\n this.resetMode(params[i]);\n }\n\n return;\n }\n\n if (!this.prefix) {\n switch (params) {\n case 4:\n this.insertMode = false;\n break;\n case 20:\n //this.convertEol = false;\n break;\n }\n } else if (this.prefix === '?') {\n switch (params) {\n case 1:\n this.applicationCursor = false;\n break;\n case 3:\n if (this.cols === 132 && this.savedCols) {\n this.resize(this.savedCols, this.rows);\n }\n delete this.savedCols;\n break;\n case 6:\n this.originMode = false;\n break;\n case 7:\n this.wraparoundMode = false;\n break;\n case 12:\n // this.cursorBlink = false;\n break;\n case 66:\n this.log('Switching back to normal keypad.');\n this.applicationKeypad = false;\n this.viewport.syncScrollArea();\n break;\n case 9: // X10 Mouse\n case 1000: // vt200 mouse\n case 1002: // button event mouse\n case 1003: // any event mouse\n this.x10Mouse = false;\n this.vt200Mouse = false;\n this.normalMouse = false;\n this.mouseEvents = false;\n this.element.style.cursor = '';\n break;\n case 1004: // send focusin/focusout events\n this.sendFocus = false;\n break;\n case 1005: // utf8 ext mode mouse\n this.utfMouse = false;\n break;\n case 1006: // sgr ext mode mouse\n this.sgrMouse = false;\n break;\n case 1015: // urxvt ext mode mouse\n this.urxvtMouse = false;\n break;\n case 25: // hide cursor\n this.cursorHidden = true;\n break;\n case 1049: // alt screen buffer cursor\n ; // FALL-THROUGH\n case 47: // normal screen buffer\n case 1047: // normal screen buffer - clearing it first\n if (this.normal) {\n this.lines = this.normal.lines;\n this.ybase = this.normal.ybase;\n this.ydisp = this.normal.ydisp;\n this.x = this.normal.x;\n this.y = this.normal.y;\n this.scrollTop = this.normal.scrollTop;\n this.scrollBottom = this.normal.scrollBottom;\n this.tabs = this.normal.tabs;\n this.normal = null;\n // if (params === 1049) {\n // this.x = this.savedX;\n // this.y = this.savedY;\n // }\n this.refresh(0, this.rows - 1);\n this.showCursor();\n }\n break;\n }\n }\n};\n\n\n/**\n * CSI Ps ; Ps r\n * Set Scrolling Region [top;bottom] (default = full size of win-\n * dow) (DECSTBM).\n * CSI ? Pm r\n */\nTerminal.prototype.setScrollRegion = function(params) {\n if (this.prefix) return;\n this.scrollTop = (params[0] || 1) - 1;\n this.scrollBottom = (params[1] || this.rows) - 1;\n this.x = 0;\n this.y = 0;\n};\n\n\n/**\n * CSI s\n * Save cursor (ANSI.SYS).\n */\nTerminal.prototype.saveCursor = function(params) {\n this.savedX = this.x;\n this.savedY = this.y;\n};\n\n\n/**\n * CSI u\n * Restore cursor (ANSI.SYS).\n */\nTerminal.prototype.restoreCursor = function(params) {\n this.x = this.savedX || 0;\n this.y = this.savedY || 0;\n};\n\n\n/**\n * Lesser Used\n */\n\n/**\n * CSI Ps I\n * Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).\n */\nTerminal.prototype.cursorForwardTab = function(params) {\n var param = params[0] || 1;\n while (param--) {\n this.x = this.nextStop();\n }\n};\n\n\n/**\n * CSI Ps S Scroll up Ps lines (default = 1) (SU).\n */\nTerminal.prototype.scrollUp = function(params) {\n var param = params[0] || 1;\n while (param--) {\n this.lines.splice(this.ybase + this.scrollTop, 1);\n this.lines.splice(this.ybase + this.scrollBottom, 0, this.blankLine());\n }\n // this.maxRange();\n this.updateRange(this.scrollTop);\n this.updateRange(this.scrollBottom);\n};\n\n\n/**\n * CSI Ps T Scroll down Ps lines (default = 1) (SD).\n */\nTerminal.prototype.scrollDown = function(params) {\n var param = params[0] || 1;\n while (param--) {\n this.lines.splice(this.ybase + this.scrollBottom, 1);\n this.lines.splice(this.ybase + this.scrollTop, 0, this.blankLine());\n }\n // this.maxRange();\n this.updateRange(this.scrollTop);\n this.updateRange(this.scrollBottom);\n};\n\n\n/**\n * CSI Ps ; Ps ; Ps ; Ps ; Ps T\n * Initiate highlight mouse tracking. Parameters are\n * [func;startx;starty;firstrow;lastrow]. See the section Mouse\n * Tracking.\n */\nTerminal.prototype.initMouseTracking = function(params) {\n // Relevant: DECSET 1001\n};\n\n\n/**\n * CSI > Ps; Ps T\n * Reset one or more features of the title modes to the default\n * value. Normally, \"reset\" disables the feature. It is possi-\n * ble to disable the ability to reset features by compiling a\n * different default for the title modes into xterm.\n * Ps = 0 -> Do not set window/icon labels using hexadecimal.\n * Ps = 1 -> Do not query window/icon labels using hexadeci-\n * mal.\n * Ps = 2 -> Do not set window/icon labels using UTF-8.\n * Ps = 3 -> Do not query window/icon labels using UTF-8.\n * (See discussion of \"Title Modes\").\n */\nTerminal.prototype.resetTitleModes = function(params) {\n ;\n};\n\n\n/**\n * CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).\n */\nTerminal.prototype.cursorBackwardTab = function(params) {\n var param = params[0] || 1;\n while (param--) {\n this.x = this.prevStop();\n }\n};\n\n\n/**\n * CSI Ps b Repeat the preceding graphic character Ps times (REP).\n */\nTerminal.prototype.repeatPrecedingCharacter = function(params) {\n var param = params[0] || 1\n , line = this.lines[this.ybase + this.y]\n , ch = line[this.x - 1] || [this.defAttr, ' ', 1];\n\n while (param--) line[this.x++] = ch;\n};\n\n\n/**\n * CSI Ps g Tab Clear (TBC).\n * Ps = 0 -> Clear Current Column (default).\n * Ps = 3 -> Clear All.\n * Potentially:\n * Ps = 2 -> Clear Stops on Line.\n * http://vt100.net/annarbor/aaa-ug/section6.html\n */\nTerminal.prototype.tabClear = function(params) {\n var param = params[0];\n if (param <= 0) {\n delete this.tabs[this.x];\n } else if (param === 3) {\n this.tabs = {};\n }\n};\n\n\n/**\n * CSI Pm i Media Copy (MC).\n * Ps = 0 -> Print screen (default).\n * Ps = 4 -> Turn off printer controller mode.\n * Ps = 5 -> Turn on printer controller mode.\n * CSI ? Pm i\n * Media Copy (MC, DEC-specific).\n * Ps = 1 -> Print line containing cursor.\n * Ps = 4 -> Turn off autoprint mode.\n * Ps = 5 -> Turn on autoprint mode.\n * Ps = 1 0 -> Print composed display, ignores DECPEX.\n * Ps = 1 1 -> Print all pages.\n */\nTerminal.prototype.mediaCopy = function(params) {\n ;\n};\n\n\n/**\n * CSI > Ps; Ps m\n * Set or reset resource-values used by xterm to decide whether\n * to construct escape sequences holding information about the\n * modifiers pressed with a given key. The first parameter iden-\n * tifies the resource to set/reset. The second parameter is the\n * value to assign to the resource. If the second parameter is\n * omitted, the resource is reset to its initial value.\n * Ps = 1 -> modifyCursorKeys.\n * Ps = 2 -> modifyFunctionKeys.\n * Ps = 4 -> modifyOtherKeys.\n * If no parameters are given, all resources are reset to their\n * initial values.\n */\nTerminal.prototype.setResources = function(params) {\n ;\n};\n\n\n/**\n * CSI > Ps n\n * Disable modifiers which may be enabled via the CSI > Ps; Ps m\n * sequence. This corresponds to a resource value of \"-1\", which\n * cannot be set with the other sequence. The parameter identi-\n * fies the resource to be disabled:\n * Ps = 1 -> modifyCursorKeys.\n * Ps = 2 -> modifyFunctionKeys.\n * Ps = 4 -> modifyOtherKeys.\n * If the parameter is omitted, modifyFunctionKeys is disabled.\n * When modifyFunctionKeys is disabled, xterm uses the modifier\n * keys to make an extended sequence of functions rather than\n * adding a parameter to each function key to denote the modi-\n * fiers.\n */\nTerminal.prototype.disableModifiers = function(params) {\n ;\n};\n\n\n/**\n * CSI > Ps p\n * Set resource value pointerMode. This is used by xterm to\n * decide whether to hide the pointer cursor as the user types.\n * Valid values for the parameter:\n * Ps = 0 -> never hide the pointer.\n * Ps = 1 -> hide if the mouse tracking mode is not enabled.\n * Ps = 2 -> always hide the pointer. If no parameter is\n * given, xterm uses the default, which is 1 .\n */\nTerminal.prototype.setPointerMode = function(params) {\n ;\n};\n\n\n/**\n * CSI ! p Soft terminal reset (DECSTR).\n * http://vt100.net/docs/vt220-rm/table4-10.html\n */\nTerminal.prototype.softReset = function(params) {\n this.cursorHidden = false;\n this.insertMode = false;\n this.originMode = false;\n this.wraparoundMode = false; // autowrap\n this.applicationKeypad = false; // ?\n this.viewport.syncScrollArea();\n this.applicationCursor = false;\n this.scrollTop = 0;\n this.scrollBottom = this.rows - 1;\n this.curAttr = this.defAttr;\n this.x = this.y = 0; // ?\n this.charset = null;\n this.glevel = 0; // ??\n this.charsets = [null]; // ??\n};\n\n\n/**\n * CSI Ps$ p\n * Request ANSI mode (DECRQM). For VT300 and up, reply is\n * CSI Ps; Pm$ y\n * where Ps is the mode number as in RM, and Pm is the mode\n * value:\n * 0 - not recognized\n * 1 - set\n * 2 - reset\n * 3 - permanently set\n * 4 - permanently reset\n */\nTerminal.prototype.requestAnsiMode = function(params) {\n ;\n};\n\n\n/**\n * CSI ? Ps$ p\n * Request DEC private mode (DECRQM). For VT300 and up, reply is\n * CSI ? Ps; Pm$ p\n * where Ps is the mode number as in DECSET, Pm is the mode value\n * as in the ANSI DECRQM.\n */\nTerminal.prototype.requestPrivateMode = function(params) {\n ;\n};\n\n\n/**\n * CSI Ps ; Ps \" p\n * Set conformance level (DECSCL). Valid values for the first\n * parameter:\n * Ps = 6 1 -> VT100.\n * Ps = 6 2 -> VT200.\n * Ps = 6 3 -> VT300.\n * Valid values for the second parameter:\n * Ps = 0 -> 8-bit controls.\n * Ps = 1 -> 7-bit controls (always set for VT100).\n * Ps = 2 -> 8-bit controls.\n */\nTerminal.prototype.setConformanceLevel = function(params) {\n ;\n};\n\n\n/**\n * CSI Ps q Load LEDs (DECLL).\n * Ps = 0 -> Clear all LEDS (default).\n * Ps = 1 -> Light Num Lock.\n * Ps = 2 -> Light Caps Lock.\n * Ps = 3 -> Light Scroll Lock.\n * Ps = 2 1 -> Extinguish Num Lock.\n * Ps = 2 2 -> Extinguish Caps Lock.\n * Ps = 2 3 -> Extinguish Scroll Lock.\n */\nTerminal.prototype.loadLEDs = function(params) {\n ;\n};\n\n\n/**\n * CSI Ps SP q\n * Set cursor style (DECSCUSR, VT520).\n * Ps = 0 -> blinking block.\n * Ps = 1 -> blinking block (default).\n * Ps = 2 -> steady block.\n * Ps = 3 -> blinking underline.\n * Ps = 4 -> steady underline.\n */\nTerminal.prototype.setCursorStyle = function(params) {\n ;\n};\n\n\n/**\n * CSI Ps \" q\n * Select character protection attribute (DECSCA). Valid values\n * for the parameter:\n * Ps = 0 -> DECSED and DECSEL can erase (default).\n * Ps = 1 -> DECSED and DECSEL cannot erase.\n * Ps = 2 -> DECSED and DECSEL can erase.\n */\nTerminal.prototype.setCharProtectionAttr = function(params) {\n ;\n};\n\n\n/**\n * CSI ? Pm r\n * Restore DEC Private Mode Values. The value of Ps previously\n * saved is restored. Ps values are the same as for DECSET.\n */\nTerminal.prototype.restorePrivateValues = function(params) {\n ;\n};\n\n\n/**\n * CSI Pt; Pl; Pb; Pr; Ps$ r\n * Change Attributes in Rectangular Area (DECCARA), VT400 and up.\n * Pt; Pl; Pb; Pr denotes the rectangle.\n * Ps denotes the SGR attributes to change: 0, 1, 4, 5, 7.\n * NOTE: xterm doesn't enable this code by default.\n */\nTerminal.prototype.setAttrInRectangle = function(params) {\n var t = params[0]\n , l = params[1]\n , b = params[2]\n , r = params[3]\n , attr = params[4];\n\n var line\n , i;\n\n for (; t < b + 1; t++) {\n line = this.lines[this.ybase + t];\n for (i = l; i < r; i++) {\n line[i] = [attr, line[i][1]];\n }\n }\n\n // this.maxRange();\n this.updateRange(params[0]);\n this.updateRange(params[2]);\n};\n\n\n/**\n * CSI Pc; Pt; Pl; Pb; Pr$ x\n * Fill Rectangular Area (DECFRA), VT420 and up.\n * Pc is the character to use.\n * Pt; Pl; Pb; Pr denotes the rectangle.\n * NOTE: xterm doesn't enable this code by default.\n */\nTerminal.prototype.fillRectangle = function(params) {\n var ch = params[0]\n , t = params[1]\n , l = params[2]\n , b = params[3]\n , r = params[4];\n\n var line\n , i;\n\n for (; t < b + 1; t++) {\n line = this.lines[this.ybase + t];\n for (i = l; i < r; i++) {\n line[i] = [line[i][0], String.fromCharCode(ch)];\n }\n }\n\n // this.maxRange();\n this.updateRange(params[1]);\n this.updateRange(params[3]);\n};\n\n\n/**\n * CSI Ps ; Pu ' z\n * Enable Locator Reporting (DECELR).\n * Valid values for the first parameter:\n * Ps = 0 -> Locator disabled (default).\n * Ps = 1 -> Locator enabled.\n * Ps = 2 -> Locator enabled for one report, then disabled.\n * The second parameter specifies the coordinate unit for locator\n * reports.\n * Valid values for the second parameter:\n * Pu = 0 <- or omitted -> default to character cells.\n * Pu = 1 <- device physical pixels.\n * Pu = 2 <- character cells.\n */\nTerminal.prototype.enableLocatorReporting = function(params) {\n var val = params[0] > 0;\n //this.mouseEvents = val;\n //this.decLocator = val;\n};\n\n\n/**\n * CSI Pt; Pl; Pb; Pr$ z\n * Erase Rectangular Area (DECERA), VT400 and up.\n * Pt; Pl; Pb; Pr denotes the rectangle.\n * NOTE: xterm doesn't enable this code by default.\n */\nTerminal.prototype.eraseRectangle = function(params) {\n var t = params[0]\n , l = params[1]\n , b = params[2]\n , r = params[3];\n\n var line\n , i\n , ch;\n\n ch = [this.eraseAttr(), ' ', 1]; // xterm?\n\n for (; t < b + 1; t++) {\n line = this.lines[this.ybase + t];\n for (i = l; i < r; i++) {\n line[i] = ch;\n }\n }\n\n // this.maxRange();\n this.updateRange(params[0]);\n this.updateRange(params[2]);\n};\n\n\n/**\n * CSI P m SP }\n * Insert P s Column(s) (default = 1) (DECIC), VT420 and up.\n * NOTE: xterm doesn't enable this code by default.\n */\nTerminal.prototype.insertColumns = function() {\n var param = params[0]\n , l = this.ybase + this.rows\n , ch = [this.eraseAttr(), ' ', 1] // xterm?\n , i;\n\n while (param--) {\n for (i = this.ybase; i < l; i++) {\n this.lines[i].splice(this.x + 1, 0, ch);\n this.lines[i].pop();\n }\n }\n\n this.maxRange();\n};\n\n\n/**\n * CSI P m SP ~\n * Delete P s Column(s) (default = 1) (DECDC), VT420 and up\n * NOTE: xterm doesn't enable this code by default.\n */\nTerminal.prototype.deleteColumns = function() {\n var param = params[0]\n , l = this.ybase + this.rows\n , ch = [this.eraseAttr(), ' ', 1] // xterm?\n , i;\n\n while (param--) {\n for (i = this.ybase; i < l; i++) {\n this.lines[i].splice(this.x, 1);\n this.lines[i].push(ch);\n }\n }\n\n this.maxRange();\n};\n\n/**\n * Character Sets\n */\n\nTerminal.charsets = {};\n\n// DEC Special Character and Line Drawing Set.\n// http://vt100.net/docs/vt102-ug/table5-13.html\n// A lot of curses apps use this if they see TERM=xterm.\n// testing: echo -e '\\e(0a\\e(B'\n// The xterm output sometimes seems to conflict with the\n// reference above. xterm seems in line with the reference\n// when running vttest however.\n// The table below now uses xterm's output from vttest.\nTerminal.charsets.SCLD = { // (0\n '`': '\\u25c6', // '◆'\n 'a': '\\u2592', // '▒'\n 'b': '\\u0009', // '\\t'\n 'c': '\\u000c', // '\\f'\n 'd': '\\u000d', // '\\r'\n 'e': '\\u000a', // '\\n'\n 'f': '\\u00b0', // '°'\n 'g': '\\u00b1', // '±'\n 'h': '\\u2424', // '\\u2424' (NL)\n 'i': '\\u000b', // '\\v'\n 'j': '\\u2518', // '┘'\n 'k': '\\u2510', // '┐'\n 'l': '\\u250c', // '┌'\n 'm': '\\u2514', // '└'\n 'n': '\\u253c', // '┼'\n 'o': '\\u23ba', // '⎺'\n 'p': '\\u23bb', // '⎻'\n 'q': '\\u2500', // '─'\n 'r': '\\u23bc', // '⎼'\n 's': '\\u23bd', // '⎽'\n 't': '\\u251c', // '├'\n 'u': '\\u2524', // '┤'\n 'v': '\\u2534', // '┴'\n 'w': '\\u252c', // '┬'\n 'x': '\\u2502', // '│'\n 'y': '\\u2264', // '≤'\n 'z': '\\u2265', // '≥'\n '{': '\\u03c0', // 'π'\n '|': '\\u2260', // '≠'\n '}': '\\u00a3', // '£'\n '~': '\\u00b7' // '·'\n};\n\nTerminal.charsets.UK = null; // (A\nTerminal.charsets.US = null; // (B (USASCII)\nTerminal.charsets.Dutch = null; // (4\nTerminal.charsets.Finnish = null; // (C or (5\nTerminal.charsets.French = null; // (R\nTerminal.charsets.FrenchCanadian = null; // (Q\nTerminal.charsets.German = null; // (K\nTerminal.charsets.Italian = null; // (Y\nTerminal.charsets.NorwegianDanish = null; // (E or (6\nTerminal.charsets.Spanish = null; // (Z\nTerminal.charsets.Swedish = null; // (H or (7\nTerminal.charsets.Swiss = null; // (=\nTerminal.charsets.ISOLatin = null; // /A\n\n/**\n * Helpers\n */\n\nfunction on(el, type, handler, capture) {\n if (!Array.isArray(el)) {\n el = [el];\n }\n el.forEach(function (element) {\n element.addEventListener(type, handler, capture || false);\n });\n}\n\nfunction off(el, type, handler, capture) {\n el.removeEventListener(type, handler, capture || false);\n}\n\nfunction cancel(ev, force) {\n if (!this.cancelEvents && !force) {\n return;\n }\n ev.preventDefault();\n ev.stopPropagation();\n return false;\n}\n\nfunction inherits(child, parent) {\n function f() {\n this.constructor = child;\n }\n f.prototype = parent.prototype;\n child.prototype = new f;\n}\n\n// if bold is broken, we can't\n// use it in the terminal.\nfunction isBoldBroken(document) {\n var body = document.getElementsByTagName('body')[0];\n var el = document.createElement('span');\n el.innerHTML = 'hello world';\n body.appendChild(el);\n var w1 = el.scrollWidth;\n el.style.fontWeight = 'bold';\n var w2 = el.scrollWidth;\n body.removeChild(el);\n return w1 !== w2;\n}\n\nfunction indexOf(obj, el) {\n var i = obj.length;\n while (i--) {\n if (obj[i] === el) return i;\n }\n return -1;\n}\n\nfunction isThirdLevelShift(term, ev) {\n var thirdLevelKey =\n (term.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||\n (term.browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);\n\n if (ev.type == 'keypress') {\n return thirdLevelKey;\n }\n\n // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)\n return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);\n}\n\nfunction matchColor(r1, g1, b1) {\n var hash = (r1 << 16) | (g1 << 8) | b1;\n\n if (matchColor._cache[hash] != null) {\n return matchColor._cache[hash];\n }\n\n var ldiff = Infinity\n , li = -1\n , i = 0\n , c\n , r2\n , g2\n , b2\n , diff;\n\n for (; i < Terminal.vcolors.length; i++) {\n c = Terminal.vcolors[i];\n r2 = c[0];\n g2 = c[1];\n b2 = c[2];\n\n diff = matchColor.distance(r1, g1, b1, r2, g2, b2);\n\n if (diff === 0) {\n li = i;\n break;\n }\n\n if (diff < ldiff) {\n ldiff = diff;\n li = i;\n }\n }\n\n return matchColor._cache[hash] = li;\n}\n\nmatchColor._cache = {};\n\n// http://stackoverflow.com/questions/1633828\nmatchColor.distance = function(r1, g1, b1, r2, g2, b2) {\n return Math.pow(30 * (r1 - r2), 2)\n + Math.pow(59 * (g1 - g2), 2)\n + Math.pow(11 * (b1 - b2), 2);\n};\n\nfunction each(obj, iter, con) {\n if (obj.forEach) return obj.forEach(iter, con);\n for (var i = 0; i < obj.length; i++) {\n iter.call(con, obj[i], i, obj);\n }\n}\n\nfunction keys(obj) {\n if (Object.keys) return Object.keys(obj);\n var key, keys = [];\n for (key in obj) {\n if (Object.prototype.hasOwnProperty.call(obj, key)) {\n keys.push(key);\n }\n }\n return keys;\n}\n\nvar wcwidth = (function(opts) {\n // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c\n // combining characters\n var COMBINING = [\n [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],\n [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],\n [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],\n [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],\n [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],\n [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],\n [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],\n [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],\n [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],\n [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],\n [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],\n [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],\n [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],\n [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],\n [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],\n [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],\n [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],\n [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],\n [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],\n [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],\n [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],\n [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],\n [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],\n [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],\n [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],\n [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],\n [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],\n [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],\n [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],\n [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],\n [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],\n [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],\n [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],\n [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],\n [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],\n [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],\n [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],\n [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],\n [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],\n [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],\n [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],\n [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],\n [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],\n [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],\n [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],\n [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],\n [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],\n [0xE0100, 0xE01EF]\n ];\n // binary search\n function bisearch(ucs) {\n var min = 0;\n var max = COMBINING.length - 1;\n var mid;\n if (ucs < COMBINING[0][0] || ucs > COMBINING[max][1])\n return false;\n while (max >= min) {\n mid = Math.floor((min + max) / 2);\n if (ucs > COMBINING[mid][1])\n min = mid + 1;\n else if (ucs < COMBINING[mid][0])\n max = mid - 1;\n else\n return true;\n }\n return false;\n }\n function wcwidth(ucs) {\n // test for 8-bit control characters\n if (ucs === 0)\n return opts.nul;\n if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))\n return opts.control;\n // binary search in table of non-spacing characters\n if (bisearch(ucs))\n return 0;\n // if we arrive here, ucs is not a combining or C0/C1 control character\n return 1 +\n (\n ucs >= 0x1100 &&\n (\n ucs <= 0x115f || // Hangul Jamo init. consonants\n ucs == 0x2329 ||\n ucs == 0x232a ||\n (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs != 0x303f) || // CJK..Yi\n (ucs >= 0xac00 && ucs <= 0xd7a3) || // Hangul Syllables\n (ucs >= 0xf900 && ucs <= 0xfaff) || // CJK Compat Ideographs\n (ucs >= 0xfe10 && ucs <= 0xfe19) || // Vertical forms\n (ucs >= 0xfe30 && ucs <= 0xfe6f) || // CJK Compat Forms\n (ucs >= 0xff00 && ucs <= 0xff60) || // Fullwidth Forms\n (ucs >= 0xffe0 && ucs <= 0xffe6) ||\n (ucs >= 0x20000 && ucs <= 0x2fffd) ||\n (ucs >= 0x30000 && ucs <= 0x3fffd)\n )\n );\n }\n return wcwidth;\n})({nul: 0, control: 0}); // configurable options\n\n/**\n * Expose\n */\n\nTerminal.EventEmitter = EventEmitter;\nTerminal.inherits = inherits;\n\n/**\n * Adds an event listener to the terminal.\n *\n * @param {string} event The name of the event. TODO: Document all event types\n * @param {function} callback The function to call when the event is triggered.\n */\nTerminal.on = on;\nTerminal.off = off;\nTerminal.cancel = cancel;\n\nmodule.exports = Terminal;\n","/**\n * Generic utilities module with methods that can be helpful at different parts of the code base.\n * @module xterm/utils/Generic\n * @license MIT\n */\n\n/**\n * Return if the given array contains the given element\n * @param {Array} array The array to search for the given element.\n * @param {Object} el The element to look for into the array\n */\nexport let contains = function(arr, el) {\n return arr.indexOf(el) >= 0;\n};\n","/**\n * Attributes and methods to help with identifying the current browser and platform.\n * @module xterm/utils/Browser\n * @license MIT\n */\n\nimport { contains } from './Generic.js';\n\nlet isNode = (typeof navigator == 'undefined') ? true : false;\nlet userAgent = (isNode) ? 'node' : navigator.userAgent;\nlet platform = (isNode) ? 'node' : navigator.platform;\n\nexport let isFirefox = !!~userAgent.indexOf('Firefox');\nexport let isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident');\n\n// Find the users platform. We use this to interpret the meta key\n// and ISO third level shifts.\n// http://stackoverflow.com/q/19877924/577598\nexport let isMac = contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);\nexport let isIpad = platform === 'iPad';\nexport let isIphone = platform === 'iPhone';\nexport let isMSWindows = contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform);\n","/**\n * Clipboard handler module: exports methods for handling all clipboard-related events in the\n * terminal.\n * @module xterm/handlers/Clipboard\n * @license MIT\n */\n\nimport { ITerminal } from '../Interfaces';\n\n// We are extending the ClipboardEvent interface, since TypeScript has not declared the\n// clientX and clientY properties that we use.\ninterface IClipboardEvent extends ClipboardEvent {\n clientX: number;\n clientY: number;\n}\n\ninterface IWindow extends Window {\n clipboardData?: {\n getData(format: string): string;\n setData(format: string, data: string);\n };\n}\n\ndeclare var window: IWindow;\n\n/**\n * Prepares text copied from terminal selection, to be saved in the clipboard by:\n * 1. stripping all trailing white spaces\n * 2. converting all non-breaking spaces to regular spaces\n * @param {string} text The copied text that needs processing for storing in clipboard\n * @returns {string}\n */\nexport function prepareTextForClipboard(text: string): string {\n let space = String.fromCharCode(32),\n nonBreakingSpace = String.fromCharCode(160),\n allNonBreakingSpaces = new RegExp(nonBreakingSpace, 'g'),\n processedText = text.split('\\n').map(function (line) {\n // Strip all trailing white spaces and convert all non-breaking spaces\n // to regular spaces.\n let processedLine = line.replace(/\\s+$/g, '').replace(allNonBreakingSpaces, space);\n\n return processedLine;\n }).join('\\n');\n\n return processedText;\n}\n\n/**\n * Binds copy functionality to the given terminal.\n * @param {ClipboardEvent} ev The original copy event to be handled\n */\nexport function copyHandler(ev: IClipboardEvent, term: ITerminal) {\n // We cast `window` to `any` type, because TypeScript has not declared the `clipboardData`\n // property that we use below for Internet Explorer.\n let copiedText = window.getSelection().toString(),\n text = prepareTextForClipboard(copiedText);\n\n if (term.browser.isMSIE) {\n window.clipboardData.setData('Text', text);\n } else {\n ev.clipboardData.setData('text/plain', text);\n }\n\n ev.preventDefault(); // Prevent or the original text will be copied.\n}\n\n/**\n * Redirect the clipboard's data to the terminal's input handler.\n * @param {ClipboardEvent} ev The original paste event to be handled\n * @param {Terminal} term The terminal on which to apply the handled paste event\n */\nexport function pasteHandler(ev: IClipboardEvent, term: ITerminal) {\n ev.stopPropagation();\n\n let text: string;\n\n let dispatchPaste = function(text) {\n term.handler(text);\n term.textarea.value = '';\n return term.cancel(ev);\n };\n\n if (term.browser.isMSIE) {\n if (window.clipboardData) {\n text = window.clipboardData.getData('Text');\n dispatchPaste(text);\n }\n } else {\n if (ev.clipboardData) {\n text = ev.clipboardData.getData('text/plain');\n dispatchPaste(text);\n }\n }\n}\n\n/**\n * Bind to right-click event and allow right-click copy and paste.\n *\n * **Logic**\n * If text is selected and right-click happens on selected text, then\n * do nothing to allow seamless copying.\n * If no text is selected or right-click is outside of the selection\n * area, then bring the terminal's input below the cursor, in order to\n * trigger the event on the textarea and allow-right click paste, without\n * caring about disappearing selection.\n * @param {ClipboardEvent} ev The original paste event to be handled\n * @param {Terminal} term The terminal on which to apply the handled paste event\n */\nexport function rightClickHandler(ev: IClipboardEvent, term: ITerminal) {\n let s = document.getSelection(),\n selectedText = prepareTextForClipboard(s.toString()),\n clickIsOnSelection = false,\n x = ev.clientX,\n y = ev.clientY;\n\n if (s.rangeCount) {\n let r = s.getRangeAt(0),\n cr = r.getClientRects(),\n i, rect;\n\n for (i=0; i<cr.length; i++) {\n rect = cr[i];\n clickIsOnSelection = (\n (x > rect.left) && (x < rect.right) &&\n (y > rect.top) && (y < rect.bottom)\n );\n\n if (clickIsOnSelection) {\n break;\n }\n }\n // If we clicked on selection and selection is not a single space,\n // then mark the right click as copy-only. We check for the single\n // space selection, as this can happen when clicking on an \n // and there is not much pointing in copying a single space.\n if (selectedText.match(/^\\s$/) || !selectedText.length) {\n clickIsOnSelection = false;\n }\n }\n\n // Bring textarea at the cursor position\n if (!clickIsOnSelection) {\n term.textarea.style.position = 'fixed';\n term.textarea.style.width = '20px';\n term.textarea.style.height = '20px';\n term.textarea.style.left = (x - 10) + 'px';\n term.textarea.style.top = (y - 10) + 'px';\n term.textarea.style.zIndex = '1000';\n term.textarea.focus();\n\n // Reset the terminal textarea's styling\n setTimeout(function () {\n term.textarea.style.position = null;\n term.textarea.style.width = null;\n term.textarea.style.height = null;\n term.textarea.style.left = null;\n term.textarea.style.top = null;\n term.textarea.style.zIndex = null;\n }, 4);\n }\n}\n","/**\n * @license MIT\n */\n\nimport { ITerminal } from './Interfaces';\n\n/**\n * Represents the viewport of a terminal, the visible area within the larger buffer of output.\n * Logic for the virtual scroll bar is included in this object.\n */\nexport class Viewport {\n private currentRowHeight: number;\n private lastRecordedBufferLength: number;\n private lastRecordedViewportHeight: number;\n\n /**\n * Creates a new Viewport.\n * @param terminal The terminal this viewport belongs to.\n * @param viewportElement The DOM element acting as the viewport.\n * @param scrollArea The DOM element acting as the scroll area.\n * @param charMeasureElement A DOM element used to measure the character size of. the terminal.\n */\n constructor(\n private terminal: ITerminal,\n private viewportElement: HTMLElement,\n private scrollArea: HTMLElement,\n private charMeasureElement: HTMLElement\n ) {\n this.currentRowHeight = 0;\n this.lastRecordedBufferLength = 0;\n this.lastRecordedViewportHeight = 0;\n\n this.terminal.on('scroll', this.syncScrollArea.bind(this));\n this.terminal.on('resize', this.syncScrollArea.bind(this));\n this.viewportElement.addEventListener('scroll', this.onScroll.bind(this));\n\n this.syncScrollArea();\n }\n\n /**\n * Refreshes row height, setting line-height, viewport height and scroll area height if\n * necessary.\n * @param charSize A character size measurement bounding rect object, if it doesn't exist it will\n * be created.\n */\n private refresh(charSize?: ClientRect): void {\n var size = charSize || this.charMeasureElement.getBoundingClientRect();\n if (size.height > 0) {\n var rowHeightChanged = size.height !== this.currentRowHeight;\n if (rowHeightChanged) {\n this.currentRowHeight = size.height;\n this.viewportElement.style.lineHeight = size.height + 'px';\n this.terminal.rowContainer.style.lineHeight = size.height + 'px';\n }\n var viewportHeightChanged = this.lastRecordedViewportHeight !== this.terminal.rows;\n if (rowHeightChanged || viewportHeightChanged) {\n this.lastRecordedViewportHeight = this.terminal.rows;\n this.viewportElement.style.height = size.height * this.terminal.rows + 'px';\n }\n this.scrollArea.style.height = (size.height * this.lastRecordedBufferLength) + 'px';\n }\n }\n\n /**\n * Updates dimensions and synchronizes the scroll area if necessary.\n */\n public syncScrollArea(): void {\n if (this.lastRecordedBufferLength !== this.terminal.lines.length) {\n // If buffer height changed\n this.lastRecordedBufferLength = this.terminal.lines.length;\n this.refresh();\n } else if (this.lastRecordedViewportHeight !== this.terminal.rows) {\n // If viewport height changed\n this.refresh();\n } else {\n // If size has changed, refresh viewport\n var size = this.charMeasureElement.getBoundingClientRect();\n if (size.height !== this.currentRowHeight) {\n this.refresh(size);\n }\n }\n\n // Sync scrollTop\n var scrollTop = this.terminal.ydisp * this.currentRowHeight;\n if (this.viewportElement.scrollTop !== scrollTop) {\n this.viewportElement.scrollTop = scrollTop;\n }\n }\n\n /**\n * Handles scroll events on the viewport, calculating the new viewport and requesting the\n * terminal to scroll to it.\n * @param ev The scroll event.\n */\n private onScroll(ev: Event) {\n var newRow = Math.round(this.viewportElement.scrollTop / this.currentRowHeight);\n var diff = newRow - this.terminal.ydisp;\n this.terminal.scrollDisp(diff, true);\n }\n\n /**\n * Handles mouse wheel events by adjusting the viewport's scrollTop and delegating the actual\n * scrolling to `onScroll`, this event needs to be attached manually by the consumer of\n * `Viewport`.\n * @param ev The mouse wheel event.\n */\n public onWheel(ev: WheelEvent) {\n if (ev.deltaY === 0) {\n // Do nothing if it's not a vertical scroll event\n return;\n }\n // Fallback to WheelEvent.DOM_DELTA_PIXEL\n var multiplier = 1;\n if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {\n multiplier = this.currentRowHeight;\n } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {\n multiplier = this.currentRowHeight * this.terminal.rows;\n }\n this.viewportElement.scrollTop += ev.deltaY * multiplier;\n // Prevent the page from scrolling when the terminal scrolls\n ev.preventDefault();\n };\n}\n","/**\n * @license MIT\n */\n\nfunction EventEmitter() {\n this._events = this._events || {};\n}\n\nEventEmitter.prototype.addListener = function(type, listener) {\n this._events[type] = this._events[type] || [];\n this._events[type].push(listener);\n};\n\nEventEmitter.prototype.on = EventEmitter.prototype.addListener;\n\nEventEmitter.prototype.removeListener = function(type, listener) {\n if (!this._events[type]) return;\n\n var obj = this._events[type]\n , i = obj.length;\n\n while (i--) {\n if (obj[i] === listener || obj[i].listener === listener) {\n obj.splice(i, 1);\n return;\n }\n }\n};\n\nEventEmitter.prototype.off = EventEmitter.prototype.removeListener;\n\nEventEmitter.prototype.removeAllListeners = function(type) {\n if (this._events[type]) delete this._events[type];\n};\n\nEventEmitter.prototype.once = function(type, listener) {\n var self = this;\n function on() {\n var args = Array.prototype.slice.call(arguments);\n this.removeListener(type, on);\n return listener.apply(this, args);\n }\n on.listener = listener;\n return this.on(type, on);\n};\n\nEventEmitter.prototype.emit = function(type) {\n if (!this._events[type]) return;\n\n var args = Array.prototype.slice.call(arguments, 1)\n , obj = this._events[type]\n , l = obj.length\n , i = 0;\n\n for (; i < l; i++) {\n obj[i].apply(this, args);\n }\n};\n\nEventEmitter.prototype.listeners = function(type) {\n return this._events[type] = this._events[type] || [];\n};\n\nexport { EventEmitter };\n","/**\n * @license MIT\n */\n\nimport { ITerminal } from './Interfaces';\n\ninterface IPosition {\n start: number;\n end: number;\n}\n\n/**\n * Encapsulates the logic for handling compositionstart, compositionupdate and compositionend\n * events, displaying the in-progress composition to the UI and forwarding the final composition\n * to the handler.\n */\nexport class CompositionHelper {\n /**\n * Whether input composition is currently happening, eg. via a mobile keyboard, speech input or\n * IME. This variable determines whether the compositionText should be displayed on the UI.\n */\n private isComposing: boolean;\n\n /**\n * The position within the input textarea's value of the current composition.\n */\n private compositionPosition: IPosition;;\n\n /**\n * Whether a composition is in the process of being sent, setting this to false will cancel any\n * in-progress composition.\n */\n private isSendingComposition: boolean;\n\n /**\n * Creates a new CompositionHelper.\n * @param textarea The textarea that xterm uses for input.\n * @param compositionView The element to display the in-progress composition in.\n * @param terminal The Terminal to forward the finished composition to.\n */\n constructor(\n private textarea: HTMLTextAreaElement,\n private compositionView: HTMLElement,\n private terminal: ITerminal\n ) {\n this.isComposing = false;\n this.isSendingComposition = false;\n this.compositionPosition = { start: null, end: null };\n }\n\n /**\n * Handles the compositionstart event, activating the composition view.\n */\n public compositionstart() {\n this.isComposing = true;\n this.compositionPosition.start = this.textarea.value.length;\n this.compositionView.textContent = '';\n this.compositionView.classList.add('active');\n }\n\n /**\n * Handles the compositionupdate event, updating the composition view.\n * @param {CompositionEvent} ev The event.\n */\n public compositionupdate(ev: CompositionEvent) {\n this.compositionView.textContent = ev.data;\n this.updateCompositionElements();\n var self = this;\n setTimeout(function() {\n self.compositionPosition.end = self.textarea.value.length;\n }, 0);\n }\n\n /**\n * Handles the compositionend event, hiding the composition view and sending the composition to\n * the handler.\n */\n public compositionend() {\n this.finalizeComposition(true);\n }\n\n /**\n * Handles the keydown event, routing any necessary events to the CompositionHelper functions.\n * @param ev The keydown event.\n * @return Whether the Terminal should continue processing the keydown event.\n */\n public keydown(ev: KeyboardEvent) {\n if (this.isComposing || this.isSendingComposition) {\n if (ev.keyCode === 229) {\n // Continue composing if the keyCode is the \"composition character\"\n return false;\n } else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {\n // Continue composing if the keyCode is a modifier key\n return false;\n } else {\n // Finish composition immediately. This is mainly here for the case where enter is\n // pressed and the handler needs to be triggered before the command is executed.\n this.finalizeComposition(false);\n }\n }\n\n if (ev.keyCode === 229) {\n // If the \"composition character\" is used but gets to this point it means a non-composition\n // character (eg. numbers and punctuation) was pressed when the IME was active.\n this.handleAnyTextareaChanges();\n return false;\n }\n\n return true;\n }\n\n /**\n * Finalizes the composition, resuming regular input actions. This is called when a composition\n * is ending.\n * @param waitForPropogation Whether to wait for events to propogate before sending\n * the input. This should be false if a non-composition keystroke is entered before the\n * compositionend event is triggered, such as enter, so that the composition is send before\n * the command is executed.\n */\n private finalizeComposition(waitForPropogation: boolean) {\n this.compositionView.classList.remove('active');\n this.isComposing = false;\n this.clearTextareaPosition();\n\n if (!waitForPropogation) {\n // Cancel any delayed composition send requests and send the input immediately.\n this.isSendingComposition = false;\n var input = this.textarea.value.substring(this.compositionPosition.start, this.compositionPosition.end);\n this.terminal.handler(input);\n } else {\n // Make a deep copy of the composition position here as a new compositionstart event may\n // fire before the setTimeout executes.\n var currentCompositionPosition = {\n start: this.compositionPosition.start,\n end: this.compositionPosition.end,\n }\n\n // Since composition* events happen before the changes take place in the textarea on most\n // browsers, use a setTimeout with 0ms time to allow the native compositionend event to\n // complete. This ensures the correct character is retrieved, this solution was used\n // because:\n // - The compositionend event's data property is unreliable, at least on Chromium\n // - The last compositionupdate event's data property does not always accurately describe\n // the character, a counter example being Korean where an ending consonsant can move to\n // the following character if the following input is a vowel.\n var self = this;\n this.isSendingComposition = true;\n setTimeout(function () {\n // Ensure that the input has not already been sent\n if (self.isSendingComposition) {\n self.isSendingComposition = false;\n var input;\n if (self.isComposing) {\n // Use the end position to get the string if a new composition has started.\n input = self.textarea.value.substring(currentCompositionPosition.start, currentCompositionPosition.end);\n } else {\n // Don't use the end position here in order to pick up any characters after the\n // composition has finished, for example when typing a non-composition character\n // (eg. 2) after a composition character.\n input = self.textarea.value.substring(currentCompositionPosition.start);\n }\n self.terminal.handler(input);\n }\n }, 0);\n }\n }\n\n /**\n * Apply any changes made to the textarea after the current event chain is allowed to complete.\n * This should be called when not currently composing but a keydown event with the \"composition\n * character\" (229) is triggered, in order to allow non-composition text to be entered when an\n * IME is active.\n */\n private handleAnyTextareaChanges() {\n var oldValue = this.textarea.value;\n var self = this;\n setTimeout(function() {\n // Ignore if a composition has started since the timeout\n if (!self.isComposing) {\n var newValue = self.textarea.value;\n var diff = newValue.replace(oldValue, '');\n if (diff.length > 0) {\n self.terminal.handler(diff);\n }\n }\n }, 0);\n }\n\n /**\n * Positions the composition view on top of the cursor and the textarea just below it (so the\n * IME helper dialog is positioned correctly).\n * @param dontRecurse Whether to use setTimeout to recursively trigger another update, this is\n * necessary as the IME events across browsers are not consistently triggered.\n */\n public updateCompositionElements(dontRecurse?: boolean) {\n if (!this.isComposing) {\n return;\n }\n var cursor = <HTMLElement>this.terminal.element.querySelector('.terminal-cursor');\n if (cursor) {\n // Take .xterm-rows offsetTop into account as well in case it's positioned absolutely within\n // the .xterm element.\n var xtermRows = <HTMLElement>this.terminal.element.querySelector('.xterm-rows');\n var cursorTop = xtermRows.offsetTop + cursor.offsetTop;\n\n this.compositionView.style.left = cursor.offsetLeft + 'px';\n this.compositionView.style.top = cursorTop + 'px';\n this.compositionView.style.height = cursor.offsetHeight + 'px';\n this.compositionView.style.lineHeight = cursor.offsetHeight + 'px';\n // Sync the textarea to the exact position of the composition view so the IME knows where the\n // text is.\n var compositionViewBounds = this.compositionView.getBoundingClientRect();\n this.textarea.style.left = cursor.offsetLeft + 'px';\n this.textarea.style.top = cursorTop + 'px';\n this.textarea.style.width = compositionViewBounds.width + 'px';\n this.textarea.style.height = compositionViewBounds.height + 'px';\n this.textarea.style.lineHeight = compositionViewBounds.height + 'px';\n }\n if (!dontRecurse) {\n setTimeout(this.updateCompositionElements.bind(this, true), 0);\n }\n };\n\n /**\n * Clears the textarea's position so that the cursor does not blink on IE.\n * @private\n */\n private clearTextareaPosition() {\n this.textarea.style.left = '';\n this.textarea.style.top = '';\n };\n}\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var 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projects / mirror_xterm.js.git / commitdiff