* @license MIT
*/
-import { CompositionHelper } from './CompositionHelper.js';
-import { EventEmitter } from './EventEmitter.js';
-import { Viewport } from './Viewport.js';
-import { rightClickHandler, pasteHandler, copyHandler } from './handlers/Clipboard.js';
-import { CircularList } from './utils/CircularList.js';
+import { CompositionHelper } from './CompositionHelper';
+import { EventEmitter } from './EventEmitter';
+import { Viewport } from './Viewport';
+import { rightClickHandler, pasteHandler, copyHandler } from './handlers/Clipboard';
+import { CircularList } from './utils/CircularList';
import { C0 } from './EscapeSequences';
import { InputHandler } from './InputHandler';
-import { Parser } from './Parser';
+import { Parser } from './Parser';
+import { CharMeasure } from './utils/CharMeasure';
import * as Browser from './utils/Browser';
import * as Keyboard from './utils/Keyboard';
+import { CHARSETS } from './Charsets';
/**
* Terminal Emulation References:
var document = (typeof window != 'undefined') ? window.document : null;
/**
- * States
+ * The amount of write requests to queue before sending an XOFF signal to the
+ * pty process. This number must be small in order for ^C and similar sequences
+ * to be responsive.
*/
-var normal = 0, escaped = 1, csi = 2, osc = 3, charset = 4, dcs = 5, ignore = 6;
+var WRITE_BUFFER_PAUSE_THRESHOLD = 5;
+
+/**
+ * The number of writes to perform in a single batch before allowing the
+ * renderer to catch up with a 0ms setTimeout.
+ */
+var WRITE_BATCH_SIZE = 300;
+
+/**
+ * The maximum number of refresh frames to skip when the write buffer is non-
+ * empty. Note that these frames may be intermingled with frames that are
+ * skipped via requestAnimationFrame's mechanism.
+ */
+var MAX_REFRESH_FRAME_SKIP = 5;
/**
* Terminal
*/
this.y = 0;
- /**
- * Used to debounce the refresh function
- */
- this.isRefreshing = false;
-
- /**
- * Whether there is a full terminal refresh queued
- */
+ /** A queue of the rows to be refreshed */
+ this.refreshRowsQueue = [];
this.cursorState = 0;
this.cursorHidden = false;
this.convertEol;
- this.state = 0;
this.queue = '';
this.scrollTop = 0;
this.scrollBottom = this.rows - 1;
this.inputHandler = new InputHandler(this);
this.parser = new Parser(this.inputHandler, this);
+ // user input states
+ this.writeBuffer = [];
+ this.writeInProgress = false;
+ this.refreshFramesSkipped = 0;
+
+ /**
+ * Whether _xterm.js_ sent XOFF in order to catch up with the pty process.
+ * This is a distinct state from writeStopped so that if the user requested
+ * XOFF via ^S that it will not automatically resume when the writeBuffer goes
+ * below threshold.
+ */
+ this.xoffSentToCatchUp = false;
+
+ /** Whether writing has been stopped as a result of XOFF */
+ this.writeStopped = false;
+
// leftover surrogate high from previous write invocation
this.surrogate_high = '';
termName: 'xterm',
geometry: [80, 24],
cursorBlink: false,
+ cursorStyle: 'block',
visualBell: false,
popOnBell: false,
scrollback: 1000,
screenKeys: false,
debug: false,
- cancelEvents: false
+ cancelEvents: false,
+ disableStdin: false,
+ tabStopWidth: 8
// programFeatures: false,
// focusKeys: false,
};
if (!(key in Terminal.defaults)) {
throw new Error('No option with key "' + key + '"');
}
+ switch (key) {
+ case 'scrollback':
+ if (this.options[key] !== value) {
+ if (this.lines.length > value) {
+ const amountToTrim = this.lines.length - value;
+ const needsRefresh = (this.ydisp - amountToTrim < 0);
+ this.lines.trimStart(amountToTrim);
+ this.ybase = Math.max(this.ybase - amountToTrim, 0);
+ this.ydisp = Math.max(this.ydisp - amountToTrim, 0);
+ if (needsRefresh) {
+ this.refresh(0, this.rows - 1);
+ }
+ }
+ this.lines.maxLength = value;
+ this.viewport.syncScrollArea();
+ }
+ break;
+ }
this[key] = value;
this.options[key] = value;
+ switch (key) {
+ case 'cursorBlink': this.element.classList.toggle('xterm-cursor-blink', value); break;
+ case 'cursorStyle':
+ // Style 'block' applies with no class
+ this.element.classList.toggle(`xterm-cursor-style-underline`, value === 'underline');
+ this.element.classList.toggle(`xterm-cursor-style-bar`, value === 'bar');
+ break;
+ }
};
/**
*/
Terminal.bindBlur = function (term) {
on(term.textarea, 'blur', function (ev) {
- term.refresh(term.y, term.y);
+ term.queueRefresh(term.y, term.y);
if (term.sendFocus) {
term.send(C0.ESC + '[O');
}
term.keyPress(ev);
}, true);
- on(term.element, 'keyup', term.focus.bind(term));
+ on(term.element, 'keyup', function(ev) {
+ if (!wasMondifierKeyOnlyEvent(ev)) {
+ term.focus(term);
+ }
+ }, true);
on(term.textarea, 'keydown', function(ev) {
term.keyDown(ev);
this.element.classList.add('terminal');
this.element.classList.add('xterm');
this.element.classList.add('xterm-theme-' + this.theme);
+ this.element.classList.toggle('xterm-cursor-blink', this.options.cursorBlink);
this.element.style.height
this.element.setAttribute('tabindex', 0);
this.compositionHelper = new 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);
+ this.charSizeStyleElement = document.createElement('style');
+ this.helperContainer.appendChild(this.charSizeStyleElement);
for (; i < this.rows; i++) {
this.insertRow();
}
this.parent.appendChild(this.element);
- this.viewport = new Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasureElement);
+ this.charMeasure = new CharMeasure(this.helperContainer);
+ this.charMeasure.on('charsizechanged', function () {
+ self.updateCharSizeCSS();
+ });
+ this.charMeasure.measure();
+
+ this.viewport = new Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasure);
- // Draw the screen.
- this.refresh(0, this.rows - 1);
+ // Setup loop that draws to screen
+ this.queueRefresh(0, this.rows - 1);
+ this.refreshLoop();
// Initialize global actions that
// need to be taken on the document.
}
};
+/**
+ * Updates the helper CSS class with any changes necessary after the terminal's
+ * character width has been changed.
+ */
+Terminal.prototype.updateCharSizeCSS = function() {
+ this.charSizeStyleElement.textContent = '.xterm-wide-char{width:' + (this.charMeasure.width * 2) + 'px;}';
+}
/**
* XTerm mouse events
INVISIBLE: 16
}
+/**
+ * Queues a refresh between two rows (inclusive), to be done on next animation
+ * frame.
+ * @param {number} start The start row.
+ * @param {number} end The end row.
+ */
+Terminal.prototype.queueRefresh = function(start, end) {
+ this.refreshRowsQueue.push({ start: start, end: end });
+}
+
+/**
+ * Performs the refresh loop callback, calling refresh only if a refresh is
+ * necessary before queueing up the next one.
+ */
+Terminal.prototype.refreshLoop = function() {
+ // Don't refresh if there were no row changes
+ if (this.refreshRowsQueue.length > 0) {
+ // Skip MAX_REFRESH_FRAME_SKIP frames if the writeBuffer is non-empty as it
+ // will need to be immediately refreshed anyway. This saves a lot of
+ // rendering time as the viewport DOM does not need to be refreshed, no
+ // scroll events, no layouts, etc.
+ var skipFrame = this.writeBuffer.length > 0 && this.refreshFramesSkipped++ <= MAX_REFRESH_FRAME_SKIP;
+
+ if (!skipFrame) {
+ this.refreshFramesSkipped = 0;
+ var start;
+ var end;
+ if (this.refreshRowsQueue.length > 4) {
+ // Just do a full refresh when 5+ refreshes are queued
+ start = 0;
+ end = this.rows - 1;
+ } else {
+ // Get start and end rows that need refreshing
+ start = this.refreshRowsQueue[0].start;
+ end = this.refreshRowsQueue[0].end;
+ for (var i = 1; i < this.refreshRowsQueue.length; i++) {
+ if (this.refreshRowsQueue[i].start < start) {
+ start = this.refreshRowsQueue[i].start;
+ }
+ if (this.refreshRowsQueue[i].end > end) {
+ end = this.refreshRowsQueue[i].end;
+ }
+ }
+ }
+ this.refreshRowsQueue = [];
+ this.refresh(start, end);
+ }
+ }
+ window.requestAnimationFrame(this.refreshLoop.bind(this));
+}
+
/**
* Refreshes (re-renders) terminal content within two rows (inclusive)
*
*
* @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) {
+Terminal.prototype.refresh = function(start, end) {
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
row = y + this.ydisp;
line = this.lines.get(row);
+ if (!line || !this.children[y]) {
+ // Continue if the line is not available, this means a resize is currently in progress
+ continue;
+ }
out = '';
if (this.y === y - (this.ybase - this.ydisp)
i = 0;
for (; i < width; i++) {
+ if (!line[i]) {
+ // Continue if the character is not available, this means a resize is currently in progress
+ continue;
+ }
data = line[i][0];
ch = line[i][1];
ch_width = line[i][2];
}
if (data !== this.defAttr) {
if (data === -1) {
- out += '<span class="reverse-video terminal-cursor';
- if (this.cursorBlink) {
- out += ' blinking';
- }
- out += '">';
+ out += '<span class="reverse-video terminal-cursor">';
} else {
var classNames = [];
}
}
+ if (ch_width === 2) {
+ out += '<span class="xterm-wide-char">';
+ }
switch (ch) {
case '&':
out += '&';
}
break;
}
+ if (ch_width === 2) {
+ out += '</span>';
+ }
attr = data;
}
Terminal.prototype.showCursor = function() {
if (!this.cursorState) {
this.cursorState = 1;
- this.refresh(this.y, this.y);
+ this.queueRefresh(this.y, this.y);
}
};
Terminal.prototype.scroll = function() {
var row;
+ // Make room for the new row in lines
+ if (this.lines.length === this.lines.maxLength) {
+ this.lines.trimStart(1);
+ this.ybase--;
+ if (this.ydisp !== 0) {
+ this.ydisp--;
+ }
+ }
+
this.ybase++;
// TODO: Why is this done twice?
row -= this.rows - 1 - this.scrollBottom;
if (row === this.lines.length) {
- // Compensate ybase and ydisp if lines has hit the maximum buffer size
- if (this.lines.length === this.lines.maxLength) {
- this.ybase--;
- if (this.ydisp !== 0) {
- this.ydisp--;
- }
- }
// Optimization: pushing is faster than splicing when they amount to the same behavior
this.lines.push(this.blankLine());
} else {
this.emit('scroll', this.ydisp);
}
- this.refresh(0, this.rows - 1);
+ this.queueRefresh(0, this.rows - 1);
};
/**
* @param {string} text The text to write to the terminal.
*/
Terminal.prototype.write = function(data) {
- this.refreshStart = this.y;
- this.refreshEnd = this.y;
+ this.writeBuffer.push(data);
+
+ // Send XOFF to pause the pty process if the write buffer becomes too large so
+ // xterm.js can catch up before more data is sent. This is necessary in order
+ // to keep signals such as ^C responsive.
+ if (!this.xoffSentToCatchUp && this.writeBuffer.length >= WRITE_BUFFER_PAUSE_THRESHOLD) {
+ // XOFF - stop pty pipe
+ // XON will be triggered by emulator before processing data chunk
+ this.send(C0.DC3);
+ this.xoffSentToCatchUp = true;
+ }
+
+ if (!this.writeInProgress && this.writeBuffer.length > 0) {
+ // Kick off a write which will write all data in sequence recursively
+ this.writeInProgress = true;
+ // Kick off an async innerWrite so more writes can come in while processing data
+ var self = this;
+ setTimeout(function () {
+ self.innerWrite();
+ });
+ }
+}
+
+Terminal.prototype.innerWrite = function() {
+ var writeBatch = this.writeBuffer.splice(0, WRITE_BATCH_SIZE);
+ while (writeBatch.length > 0) {
+ var data = writeBatch.shift();
+ var l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;
+
+ // If XOFF was sent in order to catch up with the pty process, resume it if
+ // the writeBuffer is empty to allow more data to come in.
+ if (this.xoffSentToCatchUp && writeBatch.length === 0 && this.writeBuffer.length === 0) {
+ this.send(C0.DC1);
+ this.xoffSentToCatchUp = false;
+ }
+
+ this.refreshStart = this.y;
+ this.refreshEnd = this.y;
- this.parser.parse(data);
+ this.parser.parse(data);
- this.updateRange(this.y);
- this.refresh(this.refreshStart, this.refreshEnd);
+ this.updateRange(this.y);
+ this.queueRefresh(this.refreshStart, this.refreshEnd);
+ }
+ if (this.writeBuffer.length > 0) {
+ // Allow renderer to catch up before processing the next batch
+ var self = this;
+ setTimeout(function () {
+ self.innerWrite();
+ }, 0);
+ } else {
+ this.writeInProgress = false;
+ }
};
/**
var self = this;
var result = this.evaluateKeyEscapeSequence(ev);
+ if (result.key === C0.DC3) { // XOFF
+ this.writeStopped = true;
+ } else if (result.key === C0.DC1) { // XON
+ this.writeStopped = false;
+ }
+
if (result.scrollDisp) {
this.scrollDisp(result.scrollDisp);
return this.cancel(ev, true);
}
break;
}
+
return result;
};
this.scrollTop = 0;
this.scrollBottom = y - 1;
- this.refresh(0, this.rows - 1);
+ this.charMeasure.measure();
+
+ this.queueRefresh(0, this.rows - 1);
this.normal = null;
i = 0;
}
- for (; i < this.cols; i += 8) {
+ for (; i < this.cols; i += this.getOption('tabStopWidth')) {
this.tabs[i] = true;
}
};
for (var i = 1; i < this.rows; i++) {
this.lines.push(this.blankLine());
}
- this.refresh(0, this.rows - 1);
+ this.queueRefresh(0, this.rows - 1);
this.emit('scroll', this.ydisp);
};
* @param {string} data The data to populate in the event.
*/
Terminal.prototype.handler = function(data) {
+ // Prevents all events to pty process if stdin is disabled
+ if (this.options.disableStdin) {
+ return;
+ }
+
// Input is being sent to the terminal, the terminal should focus the prompt.
if (this.ybase !== this.ydisp) {
this.scrollToBottom();
this.y--;
this.scroll();
}
- this.state = normal;
};
} else {
this.y--;
}
- this.state = normal;
};
var customKeydownHandler = this.customKeydownHandler;
Terminal.call(this, this.options);
this.customKeydownHandler = customKeydownHandler;
- this.refresh(0, this.rows - 1);
+ this.queueRefresh(0, this.rows - 1);
this.viewport.syncScrollArea();
};
*/
Terminal.prototype.tabSet = function() {
this.tabs[this.x] = true;
- this.state = normal;
};
-
-/**
- * CSI
- */
-
/**
- * CSI Ps A
- * Cursor Up Ps Times (default = 1) (CUU).
+ * Helpers
*/
-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;
+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);
+}
-/**
- * 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;
+function cancel(ev, force) {
+ if (!this.cancelEvents && !force) {
+ return;
}
-};
-
-
-/**
- * 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;
-};
-
-
-/**
- * CSI Ps ; Ps H
- * Cursor Position [row;column] (default = [1,1]) (CUP).
- */
-Terminal.prototype.cursorPos = function(params) {
- var row, col;
-
- row = params[0] - 1;
+ ev.preventDefault();
+ ev.stopPropagation();
+ return false;
+}
- if (params.length >= 2) {
- col = params[1] - 1;
- } else {
- col = 0;
+function inherits(child, parent) {
+ function f() {
+ this.constructor = child;
}
+ f.prototype = parent.prototype;
+ child.prototype = new f;
+}
- if (row < 0) {
- row = 0;
- } else if (row >= this.rows) {
- row = this.rows - 1;
- }
+// 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;
+}
- if (col < 0) {
- col = 0;
- } else if (col >= this.cols) {
- col = this.cols - 1;
+function indexOf(obj, el) {
+ var i = obj.length;
+ while (i--) {
+ if (obj[i] === el) return i;
}
+ return -1;
+}
- this.x = col;
- this.y = row;
-};
-
+function isThirdLevelShift(term, ev) {
+ var thirdLevelKey =
+ (term.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||
+ (term.browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);
-/**
- * CSI Ps J Erase in Display (ED).
- * Ps = 0 -> Erase Below (default).
- * Ps = 1 -> Erase Above.
- * Ps = 2 -> Erase All.
- * Ps = 3 -> Erase Saved Lines (xterm).
- * CSI ? Ps J
- * Erase in Display (DECSED).
- * 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;
+ 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);
+}
-/**
- * CSI Ps K Erase in Line (EL).
- * Ps = 0 -> Erase to Right (default).
- * Ps = 1 -> Erase to Left.
- * Ps = 2 -> Erase All.
- * CSI ? Ps K
- * Erase in Line (DECSEL).
- * 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;
- }
-};
+// Expose to InputHandler (temporary)
+Terminal.prototype.matchColor = matchColor;
+function matchColor(r1, g1, b1) {
+ var hash = (r1 << 16) | (g1 << 8) | b1;
-/**
- * CSI Pm m Character Attributes (SGR).
- * Ps = 0 -> Normal (default).
- * Ps = 1 -> Bold.
- * Ps = 4 -> Underlined.
- * Ps = 5 -> Blink (appears as Bold).
- * Ps = 7 -> Inverse.
- * Ps = 8 -> Invisible, i.e., hidden (VT300).
- * Ps = 2 2 -> Normal (neither bold nor faint).
- * Ps = 2 4 -> Not underlined.
- * Ps = 2 5 -> Steady (not blinking).
- * Ps = 2 7 -> Positive (not inverse).
- * Ps = 2 8 -> Visible, i.e., not hidden (VT300).
- * Ps = 3 0 -> Set foreground color to Black.
- * Ps = 3 1 -> Set foreground color to Red.
- * Ps = 3 2 -> Set foreground color to Green.
- * Ps = 3 3 -> Set foreground color to Yellow.
- * Ps = 3 4 -> Set foreground color to Blue.
- * Ps = 3 5 -> Set foreground color to Magenta.
- * Ps = 3 6 -> Set foreground color to Cyan.
- * Ps = 3 7 -> Set foreground color to White.
- * Ps = 3 9 -> Set foreground color to default (original).
- * Ps = 4 0 -> Set background color to Black.
- * Ps = 4 1 -> Set background color to Red.
- * Ps = 4 2 -> Set background color to Green.
- * Ps = 4 3 -> Set background color to Yellow.
- * Ps = 4 4 -> Set background color to Blue.
- * Ps = 4 5 -> Set background color to Magenta.
- * Ps = 4 6 -> Set background color to Cyan.
- * Ps = 4 7 -> Set background color to White.
- * Ps = 4 9 -> Set background color to default (original).
- *
- * If 16-color support is compiled, the following apply. Assume
- * that xterm's resources are set so that the ISO color codes are
- * the first 8 of a set of 16. Then the aixterm colors are the
- * bright versions of the ISO colors:
- * Ps = 9 0 -> Set foreground color to Black.
- * Ps = 9 1 -> Set foreground color to Red.
- * Ps = 9 2 -> Set foreground color to Green.
- * Ps = 9 3 -> Set foreground color to Yellow.
- * Ps = 9 4 -> Set foreground color to Blue.
- * Ps = 9 5 -> Set foreground color to Magenta.
- * Ps = 9 6 -> Set foreground color to Cyan.
- * Ps = 9 7 -> Set foreground color to White.
- * Ps = 1 0 0 -> Set background color to Black.
- * Ps = 1 0 1 -> Set background color to Red.
- * Ps = 1 0 2 -> Set background color to Green.
- * Ps = 1 0 3 -> Set background color to Yellow.
- * Ps = 1 0 4 -> Set background color to Blue.
- * Ps = 1 0 5 -> Set background color to Magenta.
- * Ps = 1 0 6 -> Set background color to Cyan.
- * Ps = 1 0 7 -> Set background color to White.
- *
- * If xterm is compiled with the 16-color support disabled, it
- * supports the following, from rxvt:
- * Ps = 1 0 0 -> Set foreground and background color to
- * default.
- *
- * If 88- or 256-color support is compiled, the following apply.
- * Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second
- * 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 && params[0] === 0) {
- this.curAttr = this.defAttr;
- return;
+ if (matchColor._cache[hash] != null) {
+ return matchColor._cache[hash];
}
- var l = params.length
+ var ldiff = Infinity
+ , li = -1
, 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);
- }
- }
+ , c
+ , r2
+ , g2
+ , b2
+ , diff;
- this.curAttr = (flags << 18) | (fg << 9) | bg;
-};
+ 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);
-/**
- * CSI Ps n Device Status Report (DSR).
- * Ps = 5 -> Status Report. Result (``OK'') is
- * CSI 0 n
- * Ps = 6 -> Report Cursor Position (CPR) [row;column].
- * Result is
- * CSI r ; c R
- * CSI ? Ps n
- * Device Status Report (DSR, DEC-specific).
- * Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI
- * ? r ; c R (assumes page is zero).
- * Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready).
- * or CSI ? 1 1 n (not ready).
- * Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked)
- * or CSI ? 2 1 n (locked).
- * Ps = 2 6 -> Report Keyboard status as
- * CSI ? 2 7 ; 1 ; 0 ; 0 n (North American).
- * The last two parameters apply to VT400 & up, and denote key-
- * board ready and LK01 respectively.
- * 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(C0.ESC + '[0n');
- break;
- case 6:
- // cursor position
- this.send(C0.ESC + '['
- + (this.y + 1)
- + ';'
- + (this.x + 1)
- + 'R');
- break;
+ if (diff === 0) {
+ li = i;
+ 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(C0.ESC + '[?'
- + (this.y + 1)
- + ';'
- + (this.x + 1)
- + 'R');
- break;
- case 15:
- // no printer
- // this.send(C0.ESC + '[?11n');
- break;
- case 25:
- // dont support user defined keys
- // this.send(C0.ESC + '[?21n');
- break;
- case 26:
- // north american keyboard
- // this.send(C0.ESC + '[?27;1;0;0n');
- break;
- case 53:
- // no dec locator/mouse
- // this.send(C0.ESC + '[?50n');
- break;
+
+ if (diff < ldiff) {
+ ldiff = diff;
+ li = i;
}
}
-};
-
-
-/**
- * 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;
+ return matchColor._cache[hash] = li;
+}
- row = this.y + this.ybase;
- j = this.x;
- ch = [this.eraseAttr(), ' ', 1]; // xterm
+matchColor._cache = {};
- while (param-- && j < this.cols) {
- this.lines.get(row).splice(j++, 0, ch);
- this.lines.get(row).pop();
- }
+// 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);
};
-/**
- * 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;
+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);
}
- 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;
-};
+}
-
-/**
- * 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;
-};
-
-
-/**
- * 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--) {
- if (this.lines.length === this.lines.maxLength) {
- // Trim the start of lines to make room for the new line
- this.lines.trimStart(1);
- this.ybase--;
- this.ydisp--;
- row--;
- j--;
- }
- // 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--) {
- if (this.lines.length === this.lines.maxLength) {
- // Trim the start of lines to make room for the new line
- this.lines.trimStart(1);
- this.ybase -= 1;
- this.ydisp -= 1;
- }
- // 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.get(row).splice(this.x, 1);
- this.lines.get(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.get(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;
- }
-};
-
-
-/**
- * 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;
- }
-};
-
-
-/**
- * CSI Ps c Send Device Attributes (Primary DA).
- * Ps = 0 or omitted -> request attributes from terminal. The
- * response depends on the decTerminalID resource setting.
- * -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'')
- * -> CSI ? 1 ; 0 c (``VT101 with No Options'')
- * -> CSI ? 6 c (``VT102'')
- * -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'')
- * The VT100-style response parameters do not mean anything by
- * themselves. VT220 parameters do, telling the host what fea-
- * tures the terminal supports:
- * Ps = 1 -> 132-columns.
- * Ps = 2 -> Printer.
- * Ps = 6 -> Selective erase.
- * Ps = 8 -> User-defined keys.
- * Ps = 9 -> National replacement character sets.
- * Ps = 1 5 -> Technical characters.
- * Ps = 2 2 -> ANSI color, e.g., VT525.
- * Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode).
- * CSI > Ps c
- * Send Device Attributes (Secondary DA).
- * Ps = 0 or omitted -> request the terminal's identification
- * code. The response depends on the decTerminalID resource set-
- * ting. It should apply only to VT220 and up, but xterm extends
- * this to VT100.
- * -> CSI > Pp ; Pv ; Pc c
- * where Pp denotes the terminal type
- * Pp = 0 -> ``VT100''.
- * Pp = 1 -> ``VT220''.
- * and Pv is the firmware version (for xterm, this was originally
- * the XFree86 patch number, starting with 95). In a DEC termi-
- * nal, Pc indicates the ROM cartridge registration number and is
- * always zero.
- * 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(C0.ESC + '[?1;2c');
- } else if (this.is('linux')) {
- this.send(C0.ESC + '[?6c');
- }
- } else if (this.prefix === '>') {
- // xterm and urxvt
- // seem to spit this
- // out around ~370 times (?).
- if (this.is('xterm')) {
- this.send(C0.ESC + '[>0;276;0c');
- } else if (this.is('rxvt-unicode')) {
- this.send(C0.ESC + '[>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(C0.ESC + '[>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;
- }
-};
-
-
-/**
- * 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;
- }
-};
-
-
-/**
- * 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;
- }
-};
-
-
-/**
- * CSI Pm h Set Mode (SM).
- * Ps = 2 -> Keyboard Action Mode (AM).
- * Ps = 4 -> Insert Mode (IRM).
- * Ps = 1 2 -> Send/receive (SRM).
- * Ps = 2 0 -> Automatic Newline (LNM).
- * CSI ? Pm h
- * DEC Private Mode Set (DECSET).
- * Ps = 1 -> Application Cursor Keys (DECCKM).
- * Ps = 2 -> Designate USASCII for character sets G0-G3
- * (DECANM), and set VT100 mode.
- * Ps = 3 -> 132 Column Mode (DECCOLM).
- * Ps = 4 -> Smooth (Slow) Scroll (DECSCLM).
- * Ps = 5 -> Reverse Video (DECSCNM).
- * Ps = 6 -> Origin Mode (DECOM).
- * Ps = 7 -> Wraparound Mode (DECAWM).
- * Ps = 8 -> Auto-repeat Keys (DECARM).
- * Ps = 9 -> Send Mouse X & Y on button press. See the sec-
- * tion Mouse Tracking.
- * Ps = 1 0 -> Show toolbar (rxvt).
- * Ps = 1 2 -> Start Blinking Cursor (att610).
- * Ps = 1 8 -> Print form feed (DECPFF).
- * Ps = 1 9 -> Set print extent to full screen (DECPEX).
- * Ps = 2 5 -> Show Cursor (DECTCEM).
- * Ps = 3 0 -> Show scrollbar (rxvt).
- * Ps = 3 5 -> Enable font-shifting functions (rxvt).
- * Ps = 3 8 -> Enter Tektronix Mode (DECTEK).
- * Ps = 4 0 -> Allow 80 -> 132 Mode.
- * Ps = 4 1 -> more(1) fix (see curses resource).
- * Ps = 4 2 -> Enable Nation Replacement Character sets (DECN-
- * RCM).
- * Ps = 4 4 -> Turn On Margin Bell.
- * Ps = 4 5 -> Reverse-wraparound Mode.
- * Ps = 4 6 -> Start Logging. This is normally disabled by a
- * compile-time option.
- * Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis-
- * abled by the titeInhibit resource).
- * Ps = 6 6 -> Application keypad (DECNKM).
- * Ps = 6 7 -> Backarrow key sends backspace (DECBKM).
- * Ps = 1 0 0 0 -> Send Mouse X & Y on button press and
- * release. See the section Mouse Tracking.
- * Ps = 1 0 0 1 -> Use Hilite Mouse Tracking.
- * Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking.
- * Ps = 1 0 0 3 -> Use All Motion Mouse Tracking.
- * Ps = 1 0 0 4 -> Send FocusIn/FocusOut events.
- * Ps = 1 0 0 5 -> Enable Extended Mouse Mode.
- * Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt).
- * Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt).
- * Ps = 1 0 3 4 -> Interpret "meta" key, sets eighth bit.
- * (enables the eightBitInput resource).
- * Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num-
- * Lock keys. (This enables the numLock resource).
- * Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This
- * enables the metaSendsEscape resource).
- * Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete
- * key.
- * Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This
- * enables the altSendsEscape resource).
- * Ps = 1 0 4 0 -> Keep selection even if not highlighted.
- * (This enables the keepSelection resource).
- * Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables
- * the selectToClipboard resource).
- * Ps = 1 0 4 2 -> Enable Urgency window manager hint when
- * Control-G is received. (This enables the bellIsUrgent
- * resource).
- * Ps = 1 0 4 3 -> Enable raising of the window when Control-G
- * is received. (enables the popOnBell resource).
- * Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be
- * disabled by the titeInhibit resource).
- * Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis-
- * abled by the titeInhibit resource).
- * Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate
- * Screen Buffer, clearing it first. (This may be disabled by
- * the titeInhibit resource). This combines the effects of the 1
- * 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based
- * applications rather than the 4 7 mode.
- * Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode.
- * Ps = 1 0 5 1 -> Set Sun function-key mode.
- * Ps = 1 0 5 2 -> Set HP function-key mode.
- * Ps = 1 0 5 3 -> Set SCO function-key mode.
- * Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6).
- * Ps = 1 0 6 1 -> Set VT220 keyboard emulation.
- * 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 === '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.viewport.syncScrollArea();
- 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 2 -> Send/receive (SRM).
- * Ps = 2 0 -> Normal Linefeed (LNM).
- * CSI ? Pm l
- * DEC Private Mode Reset (DECRST).
- * Ps = 1 -> Normal Cursor Keys (DECCKM).
- * Ps = 2 -> Designate VT52 mode (DECANM).
- * Ps = 3 -> 80 Column Mode (DECCOLM).
- * Ps = 4 -> Jump (Fast) Scroll (DECSCLM).
- * Ps = 5 -> Normal Video (DECSCNM).
- * Ps = 6 -> Normal Cursor Mode (DECOM).
- * Ps = 7 -> No Wraparound Mode (DECAWM).
- * Ps = 8 -> No Auto-repeat Keys (DECARM).
- * Ps = 9 -> Don't send Mouse X & Y on button press.
- * Ps = 1 0 -> Hide toolbar (rxvt).
- * Ps = 1 2 -> Stop Blinking Cursor (att610).
- * Ps = 1 8 -> Don't print form feed (DECPFF).
- * Ps = 1 9 -> Limit print to scrolling region (DECPEX).
- * Ps = 2 5 -> Hide Cursor (DECTCEM).
- * Ps = 3 0 -> Don't show scrollbar (rxvt).
- * Ps = 3 5 -> Disable font-shifting functions (rxvt).
- * Ps = 4 0 -> Disallow 80 -> 132 Mode.
- * Ps = 4 1 -> No more(1) fix (see curses resource).
- * Ps = 4 2 -> Disable Nation Replacement Character sets (DEC-
- * NRCM).
- * Ps = 4 4 -> Turn Off Margin Bell.
- * Ps = 4 5 -> No Reverse-wraparound Mode.
- * Ps = 4 6 -> Stop Logging. (This is normally disabled by a
- * compile-time option).
- * Ps = 4 7 -> Use Normal Screen Buffer.
- * Ps = 6 6 -> Numeric keypad (DECNKM).
- * Ps = 6 7 -> Backarrow key sends delete (DECBKM).
- * Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and
- * release. See the section Mouse Tracking.
- * Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking.
- * Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking.
- * Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking.
- * Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events.
- * Ps = 1 0 0 5 -> Disable Extended Mouse Mode.
- * Ps = 1 0 1 0 -> Don't scroll to bottom on tty output
- * (rxvt).
- * Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt).
- * Ps = 1 0 3 4 -> Don't interpret "meta" key. (This disables
- * the eightBitInput resource).
- * Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num-
- * Lock keys. (This disables the numLock resource).
- * Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key.
- * (This disables the metaSendsEscape resource).
- * Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad
- * Delete key.
- * Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key.
- * (This disables the altSendsEscape resource).
- * Ps = 1 0 4 0 -> Do not keep selection when not highlighted.
- * (This disables the keepSelection resource).
- * Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables
- * the selectToClipboard resource).
- * Ps = 1 0 4 2 -> Disable Urgency window manager hint when
- * Control-G is received. (This disables the bellIsUrgent
- * resource).
- * Ps = 1 0 4 3 -> Disable raising of the window when Control-
- * G is received. (This disables the popOnBell resource).
- * Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen
- * first if in the Alternate Screen. (This may be disabled by
- * the titeInhibit resource).
- * Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be
- * disabled by the titeInhibit resource).
- * Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor
- * as in DECRC. (This may be disabled by the titeInhibit
- * resource). This combines the effects of the 1 0 4 7 and 1 0
- * 4 8 modes. Use this with terminfo-based applications rather
- * than the 4 7 mode.
- * Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode.
- * Ps = 1 0 5 1 -> Reset Sun function-key mode.
- * Ps = 1 0 5 2 -> Reset HP function-key mode.
- * Ps = 1 0 5 3 -> Reset SCO function-key mode.
- * 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 === '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.viewport.syncScrollArea();
- 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;
-};
-
-
-/**
- * CSI s
- * Save cursor (ANSI.SYS).
- */
-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;
-};
-
-
-/**
- * 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();
- }
-};
-
-
-/**
- * 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);
-};
-
-
-/**
- * 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);
-};
-
-
-/**
- * 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
-};
-
-
-/**
- * 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-
- * ble to disable the ability to reset features by compiling a
- * different default for the title modes into xterm.
- * Ps = 0 -> Do not set window/icon labels using hexadecimal.
- * Ps = 1 -> Do not query window/icon labels using hexadeci-
- * mal.
- * 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) {
- ;
-};
-
-
-/**
- * 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();
- }
-};
-
-
-/**
- * CSI Ps b Repeat the preceding graphic character Ps times (REP).
- */
-Terminal.prototype.repeatPrecedingCharacter = function(params) {
- var param = params[0] || 1
- , line = this.lines.get(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 = {};
- }
-};
-
-
-/**
- * CSI Pm i Media Copy (MC).
- * Ps = 0 -> Print screen (default).
- * Ps = 4 -> Turn off printer controller mode.
- * Ps = 5 -> Turn on printer controller mode.
- * CSI ? Pm i
- * Media Copy (MC, DEC-specific).
- * Ps = 1 -> Print line containing cursor.
- * Ps = 4 -> Turn off autoprint 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) {
- ;
-};
-
-
-/**
- * CSI > Ps; Ps m
- * Set or reset resource-values used by xterm to decide whether
- * to construct escape sequences holding information about the
- * modifiers pressed with a given key. The first parameter iden-
- * tifies the resource to set/reset. The second parameter is the
- * value to assign to the resource. If the second parameter is
- * omitted, the resource is reset to its initial value.
- * Ps = 1 -> modifyCursorKeys.
- * Ps = 2 -> modifyFunctionKeys.
- * Ps = 4 -> modifyOtherKeys.
- * If no parameters are given, all resources are reset to their
- * initial values.
- */
-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
- * cannot be set with the other sequence. The parameter identi-
- * fies the resource to be disabled:
- * Ps = 1 -> modifyCursorKeys.
- * Ps = 2 -> modifyFunctionKeys.
- * Ps = 4 -> modifyOtherKeys.
- * If the parameter is omitted, modifyFunctionKeys is disabled.
- * When modifyFunctionKeys is disabled, xterm uses the modifier
- * 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) {
- ;
-};
-
-
-/**
- * CSI > Ps p
- * Set resource value pointerMode. This is used by xterm to
- * decide whether to hide the pointer cursor as the user types.
- * Valid values for the parameter:
- * Ps = 0 -> never hide the pointer.
- * 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) {
- ;
-};
-
-
-/**
- * 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]; // ??
-};
-
-
-/**
- * CSI Ps$ p
- * Request ANSI mode (DECRQM). For VT300 and up, reply is
- * CSI Ps; Pm$ y
- * where Ps is the mode number as in RM, and Pm is the mode
- * value:
- * 0 - not recognized
- * 1 - set
- * 2 - reset
- * 3 - permanently set
- * 4 - permanently reset
- */
-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) {
- ;
-};
-
-
-/**
- * CSI Ps ; Ps " p
- * Set conformance level (DECSCL). Valid values for the first
- * parameter:
- * Ps = 6 1 -> VT100.
- * Ps = 6 2 -> VT200.
- * Ps = 6 3 -> VT300.
- * Valid values for the second 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) {
- ;
-};
-
-
-/**
- * CSI Ps q Load LEDs (DECLL).
- * Ps = 0 -> Clear all LEDS (default).
- * Ps = 1 -> Light Num Lock.
- * Ps = 2 -> Light Caps Lock.
- * Ps = 3 -> Light Scroll Lock.
- * Ps = 2 1 -> Extinguish Num Lock.
- * Ps = 2 2 -> Extinguish Caps Lock.
- * Ps = 2 3 -> Extinguish Scroll Lock.
- */
-Terminal.prototype.loadLEDs = function(params) {
- ;
-};
-
-
-/**
- * CSI Ps SP q
- * Set cursor style (DECSCUSR, VT520).
- * Ps = 0 -> blinking block.
- * Ps = 1 -> blinking block (default).
- * Ps = 2 -> steady block.
- * Ps = 3 -> blinking underline.
- * Ps = 4 -> steady underline.
- */
-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) {
- ;
-};
-
-
-/**
- * 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) {
- ;
-};
-
-
-/**
- * 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.get(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.get(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:
- * Ps = 0 -> Locator disabled (default).
- * Ps = 1 -> Locator enabled.
- * Ps = 2 -> Locator enabled for one report, then disabled.
- * The second parameter specifies the coordinate unit for locator
- * reports.
- * Valid values for the second 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;
-};
-
-
-/**
- * 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.get(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.get(i).splice(this.x + 1, 0, ch);
- this.lines.get(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.get(i).splice(this.x, 1);
- this.lines.get(i).push(ch);
- }
- }
-
- this.maxRange();
-};
-
-/**
- * Character Sets
- */
-
-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'
-// The xterm output sometimes seems to conflict with the
-// 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': '\u0009', // '\t'
- 'c': '\u000c', // '\f'
- 'd': '\u000d', // '\r'
- 'e': '\u000a', // '\n'
- 'f': '\u00b0', // '°'
- 'g': '\u00b1', // '±'
- 'h': '\u2424', // '\u2424' (NL)
- 'i': '\u000b', // '\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', // '≠'
- '}': '\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
-// 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 wasMondifierKeyOnlyEvent(ev) {
+ return ev.keyCode === 16 || // Shift
+ ev.keyCode === 17 || // Ctrl
+ ev.keyCode === 18; // Alt
}
function keys(obj) {
projects / mirror_xterm.js.git / blobdiff