* @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 { CharMeasure } from './utils/CharMeasure';
import * as Browser from './utils/Browser';
import * as Keyboard from './utils/Keyboard';
*/
var normal = 0, escaped = 1, csi = 2, osc = 3, charset = 4, dcs = 5, ignore = 6;
+/**
+ * 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 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.prefix = '';
this.postfix = '';
+ // 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 = '';
scrollback: 1000,
screenKeys: false,
debug: false,
- cancelEvents: false
+ cancelEvents: false,
+ disableStdin: false
// 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;
};
Terminal.bindFocus = function (term) {
on(term.textarea, 'focus', function (ev) {
if (term.sendFocus) {
- term.send('\x1b[I');
+ term.send(C0.ESC + '[I');
}
term.element.classList.add('focus');
term.showCursor();
*/
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('\x1b[O');
+ term.send(C0.ESC + '[O');
}
term.element.classList.remove('focus');
Terminal.focus = null;
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
button &= 3;
pos.x -= 32;
pos.y -= 32;
- var data = '\x1b[24';
+ var data = C0.ESC + '[24';
if (button === 0) data += '1';
else if (button === 1) data += '3';
else if (button === 2) data += '5';
else if (button === 1) button = 4;
else if (button === 2) button = 6;
else if (button === 3) button = 3;
- self.send('\x1b['
+ self.send(C0.ESC + '['
+ button
+ ';'
+ (button === 3 ? 4 : 0)
pos.y -= 32;
pos.x++;
pos.y++;
- self.send('\x1b[' + button + ';' + pos.x + ';' + pos.y + 'M');
+ self.send(C0.ESC + '[' + button + ';' + pos.x + ';' + pos.y + 'M');
return;
}
if (self.sgrMouse) {
pos.x -= 32;
pos.y -= 32;
- self.send('\x1b[<'
+ self.send(C0.ESC + '[<'
+ (((button & 3) === 3 ? button & ~3 : button) - 32)
+ ';'
+ pos.x
encode(data, pos.x);
encode(data, pos.y);
- self.send('\x1b[M' + String.fromCharCode.apply(String, data));
+ self.send(C0.ESC + '[M' + String.fromCharCode.apply(String, data));
}
function getButton(ev) {
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 (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) {
- var l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;
-
- 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;
+ }
- // apply leftover surrogate high from last write
- if (this.surrogate_high) {
- data = this.surrogate_high + data;
- this.surrogate_high = '';
+ 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();
+ });
}
+}
- 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);
+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;
}
- // 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;
+ this.refreshStart = this.y;
+ this.refreshEnd = this.y;
- // '\r'
- case '\r':
- this.x = 0;
- break;
+ // apply leftover surrogate high from last write
+ if (this.surrogate_high) {
+ data = this.surrogate_high + data;
+ this.surrogate_high = '';
+ }
- // '\b'
- case '\x08':
- if (this.x > 0) {
- this.x--;
- }
- break;
+ 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);
+ }
- // '\t'
- case '\t':
- this.x = this.nextStop();
- break;
+ // surrogate low - already handled above
+ if (0xDC00 <= code && code <= 0xDFFF)
+ continue;
+ switch (this.state) {
+ case normal:
+ switch (ch) {
+ case C0.BEL:
+ this.bell();
+ break;
- // shift out
- case '\x0e':
- this.setgLevel(1);
- break;
+ // '\n', '\v', '\f'
+ case C0.LF:
+ case C0.VT:
+ case C0.FF:
+ if (this.convertEol) {
+ this.x = 0;
+ }
+ this.y++;
+ if (this.y > this.scrollBottom) {
+ this.y--;
+ this.scroll();
+ }
+ break;
- // shift in
- case '\x0f':
- this.setgLevel(0);
- break;
+ // '\r'
+ case '\r':
+ this.x = 0;
+ break;
- // '\e'
- case '\x1b':
- this.state = escaped;
- break;
+ // '\b'
+ case C0.BS:
+ if (this.x > 0) {
+ this.x--;
+ }
+ break;
- default:
- // ' '
- // calculate print space
- // expensive call, therefore we save width in line buffer
- ch_width = wcwidth(code);
+ // '\t'
+ case C0.HT:
+ this.x = this.nextStop();
+ break;
- if (ch >= ' ') {
- if (this.charset && this.charset[ch]) {
- ch = this.charset[ch];
- }
+ // shift out
+ case C0.SO:
+ this.setgLevel(1);
+ break;
- row = this.y + this.ybase;
+ // shift in
+ case C0.SI:
+ this.setgLevel(0);
+ break;
+
+ // '\e'
+ case C0.ESC:
+ 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];
+ }
- // insert combining char in last cell
- // FIXME: needs handling after cursor jumps
- if (!ch_width && this.x) {
- // dont overflow left
- if (this.lines.get(row)[this.x-1]) {
- if (!this.lines.get(row)[this.x-1][2]) {
+ row = this.y + this.ybase;
- // found empty cell after fullwidth, need to go 2 cells back
- if (this.lines.get(row)[this.x-2])
- this.lines.get(row)[this.x-2][1] += ch;
+ // insert combining char in last cell
+ // FIXME: needs handling after cursor jumps
+ if (!ch_width && this.x) {
+ // dont overflow left
+ if (this.lines.get(row)[this.x-1]) {
+ if (!this.lines.get(row)[this.x-1][2]) {
- } else {
- this.lines.get(row)[this.x-1][1] += ch;
+ // found empty cell after fullwidth, need to go 2 cells back
+ if (this.lines.get(row)[this.x-2])
+ this.lines.get(row)[this.x-2][1] += ch;
+
+ } else {
+ this.lines.get(row)[this.x-1][1] += ch;
+ }
+ this.updateRange(this.y);
}
- this.updateRange(this.y);
+ break;
}
- 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();
+ // 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;
}
- } 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.get(this.y + this.ybase).pop();
- if (removed[2]===0
- && this.lines.get(row)[this.cols-2]
- && this.lines.get(row)[this.cols-2][2]===2)
- this.lines.get(row)[this.cols-2] = [this.curAttr, ' ', 1];
-
- // insert empty cell at cursor
- this.lines.get(row).splice(this.x, 0, [this.curAttr, ' ', 1]);
+ 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.get(this.y + this.ybase).pop();
+ if (removed[2]===0
+ && this.lines.get(row)[this.cols-2]
+ && this.lines.get(row)[this.cols-2][2]===2)
+ this.lines.get(row)[this.cols-2] = [this.curAttr, ' ', 1];
+
+ // insert empty cell at cursor
+ this.lines.get(row).splice(this.x, 0, [this.curAttr, ' ', 1]);
+ }
}
- }
- this.lines.get(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.get(row)[this.x] = [this.curAttr, '', 0];
+ this.lines.get(row)[this.x] = [this.curAttr, ch, ch_width];
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;
+ this.updateRange(this.y);
- // 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;
+ // fullwidth char - set next cell width to zero and advance cursor
+ if (ch_width===2) {
+ this.lines.get(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 ^ Privacy Message ( PM is 0x9e).
- case '^':
- this.state = ignore;
- break;
+ // ESC ] Operating System Command ( OSC is 0x9d).
+ case ']':
+ this.params = [];
+ this.currentParam = 0;
+ this.state = osc;
+ break;
- // ESC c Full Reset (RIS).
- case 'c':
- this.reset();
- break;
+ // ESC P Device Control String ( DCS is 0x90).
+ case 'P':
+ this.params = [];
+ this.currentParam = 0;
+ this.state = dcs;
+ 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 _ Application Program Command ( APC is 0x9f).
+ case '_':
+ this.state = ignore;
+ break;
- // ESC M Reverse Index ( RI is 0x8d).
- case 'M':
- this.reverseIndex();
- break;
+ // ESC ^ Privacy Message ( PM is 0x9e).
+ case '^':
+ this.state = ignore;
+ 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 c Full Reset (RIS).
+ case 'c':
+ this.reset();
+ 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;
+ // ESC E Next Line ( NEL is 0x85).
+ // ESC D Index ( IND is 0x84).
+ case 'E':
+ this.x = 0;
+ ;
+ case 'D':
+ this.index();
+ break;
- // Designate G3 Character Set (VT300).
- // A = ISO Latin-1 Supplemental.
- // Not implemented.
- case '/':
- this.gcharset = 3;
- this.state = charset;
- i--;
- break;
+ // ESC M Reverse Index ( RI is 0x8d).
+ case 'M':
+ this.reverseIndex();
+ 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 % 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 7 Save Cursor (DECSC).
- case '7':
- this.saveCursor();
- this.state = normal;
- 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;
- // ESC 8 Restore Cursor (DECRC).
- case '8':
- this.restoreCursor();
- this.state = normal;
- break;
+ // Designate G3 Character Set (VT300).
+ // A = ISO Latin-1 Supplemental.
+ // Not implemented.
+ case '/':
+ this.gcharset = 3;
+ this.state = charset;
+ i--;
+ break;
- // ESC # 3 DEC line height/width
- case '#':
- this.state = normal;
- 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 H Tab Set (HTS is 0x88).
- case 'H':
- this.tabSet();
- break;
+ // ESC 7 Save Cursor (DECSC).
+ case '7':
+ this.saveCursor();
+ this.state = normal;
+ break;
- // ESC = Application Keypad (DECKPAM).
- case '=':
- this.log('Serial port requested application keypad.');
- this.applicationKeypad = true;
- this.viewport.syncScrollArea();
- this.state = normal;
- break;
+ // ESC 8 Restore Cursor (DECRC).
+ case '8':
+ this.restoreCursor();
+ 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;
+ // ESC # 3 DEC line height/width
+ case '#':
+ this.state = normal;
+ i++;
+ break;
- default:
- this.state = normal;
- this.error('Unknown ESC control: %s.', ch);
- break;
- }
- break;
+ // ESC H Tab Set (HTS is 0x88).
+ case 'H':
+ this.tabSet();
+ 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;
+ // ESC = Application Keypad (DECKPAM).
+ case '=':
+ this.log('Serial port requested application keypad.');
+ this.applicationKeypad = true;
+ this.viewport.syncScrollArea();
+ 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++;
+ // ESC > Normal Keypad (DECKPNM).
+ case '>':
+ this.log('Switching back to normal keypad.');
+ this.applicationKeypad = false;
+ this.viewport.syncScrollArea();
+ this.state = normal;
+ break;
- this.params.push(this.currentParam);
+ default:
+ this.state = normal;
+ this.error('Unknown ESC control: %s.', ch);
+ break;
+ }
+ break;
- switch (this.params[0]) {
- case 0:
- case 1:
- case 2:
- if (this.params[1]) {
- this.title = this.params[1];
- this.handleTitle(this.title);
- }
+ 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 3:
- // set X property
+ case 'K': // German
+ cs = Terminal.charsets.German;
break;
- case 4:
- case 5:
- // change dynamic colors
+ case 'Y': // Italian
+ cs = Terminal.charsets.Italian;
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
+ case 'E': // NorwegianDanish
+ case '6':
+ cs = Terminal.charsets.NorwegianDanish;
break;
- case 46:
- // change log file
+ case 'Z': // Spanish
+ cs = Terminal.charsets.Spanish;
break;
- case 50:
- // dynamic font
+ case 'H': // Swedish
+ case '7':
+ cs = Terminal.charsets.Swedish;
break;
- case 51:
- // emacs shell
+ case '=': // Swiss
+ cs = Terminal.charsets.Swiss;
break;
- case 52:
- // manipulate selection data
+ case '/': // ISOLatin (actually /A)
+ cs = Terminal.charsets.ISOLatin;
+ i++;
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
+ default: // Default
+ cs = Terminal.charsets.US;
break;
}
-
- this.params = [];
- this.currentParam = 0;
+ this.setgCharset(this.gcharset, cs);
+ this.gcharset = null;
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 = '';
+ break;
+
+ case osc:
+ // OSC Ps ; Pt ST
+ // OSC Ps ; Pt BEL
+ // Set Text Parameters.
+ if (ch === C0.ESC || ch === C0.BEL) {
+ if (ch === C0.ESC) 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 {
- this.currentParam += ch;
+ 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;
- }
+ case csi:
+ // '?', '>', '!'
+ if (ch === '?' || ch === '>' || ch === '!') {
+ this.prefix = ch;
+ break;
+ }
- // '$', '"', ' ', '\''
- if (ch === '$' || ch === '"' || ch === ' ' || ch === '\'') {
- this.postfix = ch;
- break;
- }
+ // 0 - 9
+ if (ch >= '0' && ch <= '9') {
+ this.currentParam = this.currentParam * 10 + ch.charCodeAt(0) - 48;
+ break;
+ }
- this.params.push(this.currentParam);
- this.currentParam = 0;
+ // '$', '"', ' ', '\''
+ if (ch === '$' || ch === '"' || ch === ' ' || ch === '\'') {
+ this.postfix = ch;
+ break;
+ }
- // ';'
- if (ch === ';') break;
+ this.params.push(this.currentParam);
+ this.currentParam = 0;
- this.state = normal;
+ // ';'
+ if (ch === ';') break;
- switch (ch) {
- // CSI Ps A
- // Cursor Up Ps Times (default = 1) (CUU).
- case 'A':
- this.cursorUp(this.params);
- break;
+ this.state = normal;
- // CSI Ps B
- // Cursor Down Ps Times (default = 1) (CUD).
- case 'B':
- this.cursorDown(this.params);
- break;
+ switch (ch) {
+ // CSI Ps A
+ // Cursor Up Ps Times (default = 1) (CUU).
+ case 'A':
+ this.cursorUp(this.params);
+ break;
- // CSI Ps C
- // Cursor Forward Ps Times (default = 1) (CUF).
- case 'C':
- this.cursorForward(this.params);
- break;
+ // CSI Ps B
+ // Cursor Down Ps Times (default = 1) (CUD).
+ case 'B':
+ this.cursorDown(this.params);
+ break;
- // CSI Ps D
- // Cursor Backward Ps Times (default = 1) (CUB).
- case 'D':
- this.cursorBackward(this.params);
- break;
+ // CSI Ps C
+ // Cursor Forward Ps Times (default = 1) (CUF).
+ case 'C':
+ this.cursorForward(this.params);
+ break;
- // CSI Ps ; Ps H
- // Cursor Position [row;column] (default = [1,1]) (CUP).
- case 'H':
- this.cursorPos(this.params);
- break;
+ // CSI Ps D
+ // Cursor Backward Ps Times (default = 1) (CUB).
+ case 'D':
+ this.cursorBackward(this.params);
+ break;
- // CSI Ps J Erase in Display (ED).
- case 'J':
- this.eraseInDisplay(this.params);
- break;
+ // CSI Ps ; Ps H
+ // Cursor Position [row;column] (default = [1,1]) (CUP).
+ case 'H':
+ this.cursorPos(this.params);
+ break;
- // CSI Ps K Erase in Line (EL).
- case 'K':
- this.eraseInLine(this.params);
- break;
+ // CSI Ps J Erase in Display (ED).
+ case 'J':
+ this.eraseInDisplay(this.params);
+ break;
- // CSI Pm m Character Attributes (SGR).
- case 'm':
- if (!this.prefix) {
- this.charAttributes(this.params);
- }
- break;
+ // CSI Ps K Erase in Line (EL).
+ case 'K':
+ this.eraseInLine(this.params);
+ break;
- // CSI Ps n Device Status Report (DSR).
- case 'n':
- if (!this.prefix) {
- this.deviceStatus(this.params);
- }
- break;
+ // CSI Pm m Character Attributes (SGR).
+ case 'm':
+ if (!this.prefix) {
+ this.charAttributes(this.params);
+ }
+ break;
- /**
- * Additions
- */
+ // CSI Ps n Device Status Report (DSR).
+ case 'n':
+ if (!this.prefix) {
+ this.deviceStatus(this.params);
+ }
+ break;
- // CSI Ps @
- // Insert Ps (Blank) Character(s) (default = 1) (ICH).
- case '@':
- this.insertChars(this.params);
- break;
+ /**
+ * Additions
+ */
- // CSI Ps E
- // Cursor Next Line Ps Times (default = 1) (CNL).
- case 'E':
- this.cursorNextLine(this.params);
- break;
+ // CSI Ps @
+ // Insert Ps (Blank) Character(s) (default = 1) (ICH).
+ case '@':
+ this.insertChars(this.params);
+ break;
- // CSI Ps F
- // Cursor Preceding Line Ps Times (default = 1) (CNL).
- case 'F':
- this.cursorPrecedingLine(this.params);
- break;
+ // CSI Ps E
+ // Cursor Next Line Ps Times (default = 1) (CNL).
+ case 'E':
+ this.cursorNextLine(this.params);
+ break;
- // CSI Ps G
- // Cursor Character Absolute [column] (default = [row,1]) (CHA).
- case 'G':
- this.cursorCharAbsolute(this.params);
- break;
+ // CSI Ps F
+ // Cursor Preceding Line Ps Times (default = 1) (CNL).
+ case 'F':
+ this.cursorPrecedingLine(this.params);
+ break;
- // CSI Ps L
- // Insert Ps Line(s) (default = 1) (IL).
- case 'L':
- this.insertLines(this.params);
- break;
+ // CSI Ps G
+ // Cursor Character Absolute [column] (default = [row,1]) (CHA).
+ case 'G':
+ this.cursorCharAbsolute(this.params);
+ break;
- // CSI Ps M
- // Delete Ps Line(s) (default = 1) (DL).
- case 'M':
- this.deleteLines(this.params);
- break;
+ // CSI Ps L
+ // Insert Ps Line(s) (default = 1) (IL).
+ case 'L':
+ this.insertLines(this.params);
+ break;
- // CSI Ps P
- // Delete Ps Character(s) (default = 1) (DCH).
- case 'P':
- this.deleteChars(this.params);
- break;
+ // CSI Ps M
+ // Delete Ps Line(s) (default = 1) (DL).
+ case 'M':
+ this.deleteLines(this.params);
+ break;
- // CSI Ps X
- // Erase Ps Character(s) (default = 1) (ECH).
- case 'X':
- this.eraseChars(this.params);
- break;
+ // CSI Ps P
+ // Delete Ps Character(s) (default = 1) (DCH).
+ case 'P':
+ this.deleteChars(this.params);
+ break;
- // CSI Pm ` Character Position Absolute
- // [column] (default = [row,1]) (HPA).
- case '`':
- this.charPosAbsolute(this.params);
- break;
+ // CSI Ps X
+ // Erase Ps Character(s) (default = 1) (ECH).
+ case 'X':
+ this.eraseChars(this.params);
+ break;
- // 141 61 a * HPR -
- // Horizontal Position Relative
- case 'a':
- this.HPositionRelative(this.params);
- break;
+ // CSI Pm ` Character Position Absolute
+ // [column] (default = [row,1]) (HPA).
+ case '`':
+ this.charPosAbsolute(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;
+ // 141 61 a * HPR -
+ // Horizontal Position Relative
+ case 'a':
+ this.HPositionRelative(this.params);
+ break;
- // CSI Pm d
- // Line Position Absolute [row] (default = [1,column]) (VPA).
- case 'd':
- this.linePosAbsolute(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;
- // 145 65 e * VPR - Vertical Position Relative
- case 'e':
- this.VPositionRelative(this.params);
- break;
+ // CSI Pm d
+ // Line Position Absolute [row] (default = [1,column]) (VPA).
+ case 'd':
+ this.linePosAbsolute(this.params);
+ break;
- // CSI Ps ; Ps f
- // Horizontal and Vertical Position [row;column] (default =
- // [1,1]) (HVP).
- case 'f':
- this.HVPosition(this.params);
- break;
+ // 145 65 e * VPR - Vertical Position Relative
+ case 'e':
+ this.VPositionRelative(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 Ps ; Ps f
+ // Horizontal and Vertical Position [row;column] (default =
+ // [1,1]) (HVP).
+ case 'f':
+ this.HVPosition(this.params);
+ break;
- // CSI Pm l Reset Mode (RM).
- // CSI ? Pm l
- case 'l':
- this.resetMode(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 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 Pm l Reset Mode (RM).
+ // CSI ? Pm l
+ case 'l':
+ this.resetMode(this.params);
+ break;
- // CSI s
- // Save cursor (ANSI.SYS).
- case 's':
- this.saveCursor(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 u
- // Restore cursor (ANSI.SYS).
- case 'u':
- this.restoreCursor(this.params);
- break;
+ // CSI s
+ // Save cursor (ANSI.SYS).
+ case 's':
+ this.saveCursor(this.params);
+ break;
- /**
- * Lesser Used
- */
+ // CSI u
+ // Restore cursor (ANSI.SYS).
+ case 'u':
+ this.restoreCursor(this.params);
+ break;
- // CSI Ps I
- // Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
- case 'I':
- this.cursorForwardTab(this.params);
- break;
+ /**
+ * Lesser Used
+ */
- // CSI Ps S Scroll up Ps lines (default = 1) (SU).
- case 'S':
- this.scrollUp(this.params);
- break;
+ // CSI Ps I
+ // Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
+ case 'I':
+ this.cursorForwardTab(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 S Scroll up Ps lines (default = 1) (SU).
+ case 'S':
+ this.scrollUp(this.params);
+ break;
- // CSI Ps Z
- // Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
- case 'Z':
- this.cursorBackwardTab(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 b Repeat the preceding graphic character Ps times (REP).
- case 'b':
- this.repeatPrecedingCharacter(this.params);
- break;
+ // CSI Ps Z
+ // Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
+ case 'Z':
+ this.cursorBackwardTab(this.params);
+ break;
- // CSI Ps g Tab Clear (TBC).
- case 'g':
- this.tabClear(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
// 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 === '$') {
- // this.selectiveEraseRectangle(this.params);
- // }
- // break;
-
- // CSI Ps ' |
- // case '|':
- // if (this.postfix === '\'') {
- // this.requestLocatorPosition(this.params);
- // }
- // break;
-
- // CSI P m SP }
- // Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
- // case '}':
- // if (this.postfix === ' ') {
- // this.insertColumns(this.params);
- // }
- // break;
-
- // CSI P m SP ~
- // Delete P s Column(s) (default = 1) (DECDC), VT420 and up
- // case '~':
- // if (this.postfix === ' ') {
- // this.deleteColumns(this.params);
- // }
- // break;
-
- default:
- this.error('Unknown CSI code: %s.', ch);
- break;
- }
-
- this.prefix = '';
- this.postfix = '';
- break;
-
- case dcs:
- if (ch === '\x1b' || ch === '\x07') {
- if (ch === '\x1b') i++;
-
- switch (this.prefix) {
- // User-Defined Keys (DECUDK).
- case '':
+ case 'p':
+ switch (this.prefix) {
+ // case '>':
+ // this.setPointerMode(this.params);
+ // break;
+ case '!':
+ this.softReset(this.params);
+ break;
+ // case '?':
+ // if (this.postfix === '$') {
+ // this.requestPrivateMode(this.params);
+ // }
+ // break;
+ // default:
+ // if (this.postfix === '"') {
+ // this.setConformanceLevel(this.params);
+ // } else if (this.postfix === '$') {
+ // this.requestAnsiMode(this.params);
+ // }
+ // break;
+ }
break;
- // Request Status String (DECRQSS).
- // test: echo -e '\eP$q"p\e\\'
- case '$q':
- var pt = this.currentParam
- , valid = false;
+ // CSI Ps q Load LEDs (DECLL).
+ // CSI Ps SP q
+ // CSI Ps " q
+ // case 'q':
+ // if (this.postfix === ' ') {
+ // this.setCursorStyle(this.params);
+ // break;
+ // }
+ // if (this.postfix === '"') {
+ // this.setCharProtectionAttr(this.params);
+ // break;
+ // }
+ // this.loadLEDs(this.params);
+ // break;
+
+ // CSI Ps ; Ps r
+ // Set Scrolling Region [top;bottom] (default = full size of win-
+ // dow) (DECSTBM).
+ // CSI ? Pm r
+ // CSI Pt; Pl; Pb; Pr; Ps$ 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 === '$') {
+ // this.selectiveEraseRectangle(this.params);
+ // }
+ // break;
+
+ // CSI Ps ' |
+ // case '|':
+ // if (this.postfix === '\'') {
+ // this.requestLocatorPosition(this.params);
+ // }
+ // break;
+
+ // CSI P m SP }
+ // Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
+ // case '}':
+ // if (this.postfix === ' ') {
+ // this.insertColumns(this.params);
+ // }
+ // break;
+
+ // CSI P m SP ~
+ // Delete P s Column(s) (default = 1) (DECDC), VT420 and up
+ // case '~':
+ // if (this.postfix === ' ') {
+ // this.deleteColumns(this.params);
+ // }
+ // break;
- switch (pt) {
- // DECSCA
- case '"q':
- pt = '0"q';
- break;
+ default:
+ this.error('Unknown CSI code: %s.', ch);
+ break;
+ }
- // DECSCL
- case '"p':
- pt = '61"p';
- break;
+ this.prefix = '';
+ this.postfix = '';
+ break;
- // DECSTBM
- case 'r':
- pt = ''
- + (this.scrollTop + 1)
- + ';'
- + (this.scrollBottom + 1)
- + 'r';
- break;
+ case dcs:
+ if (ch === C0.ESC || ch === C0.BEL) {
+ if (ch === C0.ESC) i++;
- // SGR
- case 'm':
- pt = '0m';
- break;
+ switch (this.prefix) {
+ // User-Defined Keys (DECUDK).
+ case '':
+ break;
- default:
- this.error('Unknown DCS Pt: %s.', pt);
- pt = '';
- break;
- }
+ // Request Status String (DECRQSS).
+ // test: echo -e '\eP$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;
+ this.send(C0.ESC + 'P' + +valid + '$r' + pt + C0.ESC + '\\');
+ break;
- // Set Termcap/Terminfo Data (xterm, experimental).
- case '+p':
- break;
+ // Set Termcap/Terminfo Data (xterm, experimental).
+ case '+p':
+ break;
- // Request Termcap/Terminfo String (xterm, experimental)
- // Regular xterm does not even respond to this sequence.
- // This can cause a small glitch in vim.
- // test: echo -ne '\eP+q6b64\e\\'
- case '+q':
- var pt = this.currentParam
- , valid = false;
+ // Request Termcap/Terminfo String (xterm, experimental)
+ // Regular xterm does not even respond to this sequence.
+ // This can cause a small glitch in vim.
+ // test: echo -ne '\eP+q6b64\e\\'
+ case '+q':
+ var pt = this.currentParam
+ , valid = false;
- this.send('\x1bP' + +valid + '+r' + pt + '\x1b\\');
- break;
+ this.send(C0.ESC + 'P' + +valid + '+r' + pt + C0.ESC + '\\');
+ break;
- default:
- this.error('Unknown DCS prefix: %s.', this.prefix);
- break;
- }
+ default:
+ this.error('Unknown DCS prefix: %s.', this.prefix);
+ break;
+ }
- this.currentParam = 0;
- this.prefix = '';
- this.state = normal;
- } else if (!this.currentParam) {
- if (!this.prefix && ch !== '$' && ch !== '+') {
- this.currentParam = ch;
- } else if (this.prefix.length === 2) {
- this.currentParam = ch;
+ 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.prefix += ch;
+ this.currentParam += ch;
}
- } else {
- this.currentParam += ch;
- }
- break;
+ break;
- case ignore:
- // For PM and APC.
- if (ch === '\x1b' || ch === '\x07') {
- if (ch === '\x1b') i++;
- this.state = normal;
- }
- break;
+ case ignore:
+ // For PM and APC.
+ if (ch === C0.ESC || ch === C0.BEL) {
+ if (ch === C0.ESC) i++;
+ this.state = normal;
+ }
+ break;
+ }
}
- }
- 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);
case 8:
// backspace
if (ev.shiftKey) {
- result.key = '\x08'; // ^H
+ result.key = C0.BS; // ^H
break;
}
- result.key = '\x7f'; // ^?
+ result.key = C0.DEL; // ^?
break;
case 9:
// tab
if (ev.shiftKey) {
- result.key = '\x1b[Z';
+ result.key = C0.ESC + '[Z';
break;
}
- result.key = '\t';
+ result.key = C0.HT;
result.cancel = true;
break;
case 13:
// return/enter
- result.key = '\r';
+ result.key = C0.CR;
result.cancel = true;
break;
case 27:
// escape
- result.key = '\x1b';
+ result.key = C0.ESC;
result.cancel = true;
break;
case 37:
// left-arrow
if (modifiers) {
- result.key = '\x1b[1;' + (modifiers + 1) + 'D';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'D';
// HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards
// http://unix.stackexchange.com/a/108106
// macOS uses different escape sequences than linux
- if (result.key == '\x1b[1;3D') {
- result.key = (this.browser.isMac) ? '\x1bb' : '\x1b[1;5D';
+ if (result.key == C0.ESC + '[1;3D') {
+ result.key = (this.browser.isMac) ? C0.ESC + 'b' : C0.ESC + '[1;5D';
}
} else if (this.applicationCursor) {
- result.key = '\x1bOD';
+ result.key = C0.ESC + 'OD';
} else {
- result.key = '\x1b[D';
+ result.key = C0.ESC + '[D';
}
break;
case 39:
// right-arrow
if (modifiers) {
- result.key = '\x1b[1;' + (modifiers + 1) + 'C';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'C';
// HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward
// http://unix.stackexchange.com/a/108106
// macOS uses different escape sequences than linux
- if (result.key == '\x1b[1;3C') {
- result.key = (this.browser.isMac) ? '\x1bf' : '\x1b[1;5C';
+ if (result.key == C0.ESC + '[1;3C') {
+ result.key = (this.browser.isMac) ? C0.ESC + 'f' : C0.ESC + '[1;5C';
}
} else if (this.applicationCursor) {
- result.key = '\x1bOC';
+ result.key = C0.ESC + 'OC';
} else {
- result.key = '\x1b[C';
+ result.key = C0.ESC + '[C';
}
break;
case 38:
// up-arrow
if (modifiers) {
- result.key = '\x1b[1;' + (modifiers + 1) + 'A';
+ result.key = C0.ESC + '[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';
+ if (result.key == C0.ESC + '[1;3A') {
+ result.key = C0.ESC + '[1;5A';
}
} else if (this.applicationCursor) {
- result.key = '\x1bOA';
+ result.key = C0.ESC + 'OA';
} else {
- result.key = '\x1b[A';
+ result.key = C0.ESC + '[A';
}
break;
case 40:
// down-arrow
if (modifiers) {
- result.key = '\x1b[1;' + (modifiers + 1) + 'B';
+ result.key = C0.ESC + '[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';
+ if (result.key == C0.ESC + '[1;3B') {
+ result.key = C0.ESC + '[1;5B';
}
} else if (this.applicationCursor) {
- result.key = '\x1bOB';
+ result.key = C0.ESC + 'OB';
} else {
- result.key = '\x1b[B';
+ result.key = C0.ESC + '[B';
}
break;
case 45:
if (!ev.shiftKey && !ev.ctrlKey) {
// <Ctrl> or <Shift> + <Insert> are used to
// copy-paste on some systems.
- result.key = '\x1b[2~';
+ result.key = C0.ESC + '[2~';
}
break;
case 46:
// delete
if (modifiers) {
- result.key = '\x1b[3;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[3;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[3~';
+ result.key = C0.ESC + '[3~';
}
break;
case 36:
// home
if (modifiers)
- result.key = '\x1b[1;' + (modifiers + 1) + 'H';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'H';
else if (this.applicationCursor)
- result.key = '\x1bOH';
+ result.key = C0.ESC + 'OH';
else
- result.key = '\x1b[H';
+ result.key = C0.ESC + '[H';
break;
case 35:
// end
if (modifiers)
- result.key = '\x1b[1;' + (modifiers + 1) + 'F';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'F';
else if (this.applicationCursor)
- result.key = '\x1bOF';
+ result.key = C0.ESC + 'OF';
else
- result.key = '\x1b[F';
+ result.key = C0.ESC + '[F';
break;
case 33:
// page up
if (ev.shiftKey) {
result.scrollDisp = -(this.rows - 1);
} else {
- result.key = '\x1b[5~';
+ result.key = C0.ESC + '[5~';
}
break;
case 34:
if (ev.shiftKey) {
result.scrollDisp = this.rows - 1;
} else {
- result.key = '\x1b[6~';
+ result.key = C0.ESC + '[6~';
}
break;
case 112:
// F1-F12
if (modifiers) {
- result.key = '\x1b[1;' + (modifiers + 1) + 'P';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'P';
} else {
- result.key = '\x1bOP';
+ result.key = C0.ESC + 'OP';
}
break;
case 113:
if (modifiers) {
- result.key = '\x1b[1;' + (modifiers + 1) + 'Q';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'Q';
} else {
- result.key = '\x1bOQ';
+ result.key = C0.ESC + 'OQ';
}
break;
case 114:
if (modifiers) {
- result.key = '\x1b[1;' + (modifiers + 1) + 'R';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'R';
} else {
- result.key = '\x1bOR';
+ result.key = C0.ESC + 'OR';
}
break;
case 115:
if (modifiers) {
- result.key = '\x1b[1;' + (modifiers + 1) + 'S';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'S';
} else {
- result.key = '\x1bOS';
+ result.key = C0.ESC + 'OS';
}
break;
case 116:
if (modifiers) {
- result.key = '\x1b[15;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[15;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[15~';
+ result.key = C0.ESC + '[15~';
}
break;
case 117:
if (modifiers) {
- result.key = '\x1b[17;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[17;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[17~';
+ result.key = C0.ESC + '[17~';
}
break;
case 118:
if (modifiers) {
- result.key = '\x1b[18;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[18;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[18~';
+ result.key = C0.ESC + '[18~';
}
break;
case 119:
if (modifiers) {
- result.key = '\x1b[19;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[19;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[19~';
+ result.key = C0.ESC + '[19~';
}
break;
case 120:
if (modifiers) {
- result.key = '\x1b[20;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[20;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[20~';
+ result.key = C0.ESC + '[20~';
}
break;
case 121:
if (modifiers) {
- result.key = '\x1b[21;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[21;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[21~';
+ result.key = C0.ESC + '[21~';
}
break;
case 122:
if (modifiers) {
- result.key = '\x1b[23;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[23;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[23~';
+ result.key = C0.ESC + '[23~';
}
break;
case 123:
if (modifiers) {
- result.key = '\x1b[24;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[24;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[24~';
+ result.key = C0.ESC + '[24~';
}
break;
default:
} 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);
+ result.key = C0.ESC + String.fromCharCode(ev.keyCode + 32);
} else if (ev.keyCode === 192) {
- result.key = '\x1b`';
+ result.key = C0.ESC + '`';
} else if (ev.keyCode >= 48 && ev.keyCode <= 57) {
- result.key = '\x1b' + (ev.keyCode - 48);
+ result.key = C0.ESC + (ev.keyCode - 48);
}
}
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;
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();
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();
};
switch (params[0]) {
case 5:
// status report
- this.send('\x1b[0n');
+ this.send(C0.ESC + '[0n');
break;
case 6:
// cursor position
- this.send('\x1b['
+ this.send(C0.ESC + '['
+ (this.y + 1)
+ ';'
+ (this.x + 1)
switch (params[0]) {
case 6:
// cursor position
- this.send('\x1b[?'
+ this.send(C0.ESC + '[?'
+ (this.y + 1)
+ ';'
+ (this.x + 1)
break;
case 15:
// no printer
- // this.send('\x1b[?11n');
+ // this.send(C0.ESC + '[?11n');
break;
case 25:
// dont support user defined keys
- // this.send('\x1b[?21n');
+ // this.send(C0.ESC + '[?21n');
break;
case 26:
// north american keyboard
- // this.send('\x1b[?27;1;0;0n');
+ // this.send(C0.ESC + '[?27;1;0;0n');
break;
case 53:
// no dec locator/mouse
- // this.send('\x1b[?50n');
+ // this.send(C0.ESC + '[?50n');
break;
}
}
if (this.is('xterm')
|| this.is('rxvt-unicode')
|| this.is('screen')) {
- this.send('\x1b[?1;2c');
+ this.send(C0.ESC + '[?1;2c');
} else if (this.is('linux')) {
- this.send('\x1b[?6c');
+ 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('\x1b[>0;276;0c');
+ this.send(C0.ESC + '[>0;276;0c');
} else if (this.is('rxvt-unicode')) {
- this.send('\x1b[>85;95;0c');
+ 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('\x1b[>83;40003;0c');
+ this.send(C0.ESC + '[>83;40003;0c');
}
}
};
// this.x = this.savedX;
// this.y = this.savedY;
// }
- this.refresh(0, this.rows - 1);
+ this.queueRefresh(0, this.rows - 1);
this.viewport.syncScrollArea();
this.showCursor();
}