2 * xterm.js: xterm, in the browser
3 * Copyright (c) 2014-2014, SourceLair Private Company <www.sourcelair.com> (MIT License)
4 * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
5 * https://github.com/chjj/term.js
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 * Originally forked from (with the author's permission):
26 * Fabrice Bellard's javascript vt100 for jslinux:
27 * http://bellard.org/jslinux/
28 * Copyright (c) 2011 Fabrice Bellard
29 * The original design remains. The terminal itself
30 * has been extended to include xterm CSI codes, among
34 import { CompositionHelper
} from './CompositionHelper.js';
35 import { EventEmitter
} from './EventEmitter.js';
36 import { Viewport
} from './Viewport.js';
37 import { rightClickHandler
, pasteHandler
, copyHandler
} from './handlers/Clipboard.js';
40 * Terminal Emulation References:
42 * http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt
43 * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
44 * http://invisible-island.net/vttest/
45 * http://www.inwap.com/pdp10/ansicode.txt
46 * http://linux.die.net/man/4/console_codes
47 * http://linux.die.net/man/7/urxvt
50 // Let it work inside Node.js for automated testing purposes.
51 var document
= (typeof window
!= 'undefined') ? window
.document
: null;
56 var normal
= 0, escaped
= 1, csi
= 2, osc
= 3, charset
= 4, dcs
= 5, ignore
= 6;
63 * Creates a new `Terminal` object.
65 * @param {object} options An object containing a set of options, the available options are:
66 * - `cursorBlink` (boolean): Whether the terminal cursor blinks
67 * - `cols` (number): The number of columns of the terminal (horizontal size)
68 * - `rows` (number): The number of rows of the terminal (vertical size)
69 * - `geometry` (array): Shortcut for terminal size: `[cols, rows]` (lower priority)
73 * @alias module:xterm/src/xterm
75 function Terminal(options
) {
78 if (!(this instanceof Terminal
)) {
79 return new Terminal(arguments
[0], arguments
[1], arguments
[2]);
82 self
.cancel
= Terminal
.cancel
;
84 EventEmitter
.call(this);
86 if (typeof options
=== 'number') {
94 options
= options
|| {};
97 Object
.keys(Terminal
.defaults
).forEach(function(key
) {
98 if (options
[key
] == null) {
99 options
[key
] = Terminal
.options
[key
];
101 if (Terminal
[key
] !== Terminal
.defaults
[key
]) {
102 options
[key
] = Terminal
[key
];
105 self
[key
] = options
[key
];
108 if (options
.colors
.length
=== 8) {
109 options
.colors
= options
.colors
.concat(Terminal
._colors
.slice(8));
110 } else if (options
.colors
.length
=== 16) {
111 options
.colors
= options
.colors
.concat(Terminal
._colors
.slice(16));
112 } else if (options
.colors
.length
=== 10) {
113 options
.colors
= options
.colors
.slice(0, -2).concat(
114 Terminal
._colors
.slice(8, -2), options
.colors
.slice(-2));
115 } else if (options
.colors
.length
=== 18) {
116 options
.colors
= options
.colors
.concat(
117 Terminal
._colors
.slice(16, -2), options
.colors
.slice(-2));
119 this.colors
= options
.colors
;
121 this.options
= options
;
123 // this.context = options.context || window;
124 // this.document = options.document || document;
125 this.parent
= options
.body
|| options
.parent
|| (
126 document
? document
.getElementsByTagName('body')[0] : null
129 this.cols
= options
.cols
|| options
.geometry
[0];
130 this.rows
= options
.rows
|| options
.geometry
[1];
131 this.geometry
= [this.cols
, this.rows
];
133 if (options
.handler
) {
134 this.on('data', options
.handler
);
138 * The scroll position of the y cursor, ie. ybase + y = the y position within the entire
144 * The scroll position of the viewport
149 * The cursor's x position after ybase
154 * The cursor's y position after ybase
159 * Used to debounce the refresh function
161 this.isRefreshing
= false;
164 * Whether there is a full terminal refresh queued
167 this.cursorState
= 0;
168 this.cursorHidden
= false;
173 this.scrollBottom
= this.rows
- 1;
174 this.customKeydownHandler
= null;
177 this.applicationKeypad
= false;
178 this.applicationCursor
= false;
179 this.originMode
= false;
180 this.insertMode
= false;
181 this.wraparoundMode
= true; // defaults: xterm - true, vt100 - false
186 this.gcharset
= null;
188 this.charsets
= [null];
212 this.readable
= true;
213 this.writable
= true;
215 this.defAttr
= (0 << 18) | (257 << 9) | (256 << 0);
216 this.curAttr
= this.defAttr
;
219 this.currentParam
= 0;
223 // leftover surrogate high from previous write invocation
224 this.surrogate_high
= '';
227 * An array of all lines in the entire buffer, including the prompt. The lines are array of
228 * characters which are 2-length arrays where [0] is an attribute and [1] is the character.
233 this.lines
.push(this.blankLine());
240 inherits(Terminal
, EventEmitter
);
243 * back_color_erase feature for xterm.
245 Terminal
.prototype.eraseAttr = function() {
246 // if (this.is('screen')) return this.defAttr;
247 return (this.defAttr
& ~0x1ff) | (this.curAttr
& 0x1ff);
255 Terminal
.tangoColors
= [
276 // Colors 0-15 + 16-255
277 // Much thanks to TooTallNate for writing this.
278 Terminal
.colors
= (function() {
279 var colors
= Terminal
.tangoColors
.slice()
280 , r
= [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff]
285 for (; i
< 216; i
++) {
286 out(r
[(i
/ 36) % 6 | 0], r
[(i
/ 6) % 6 | 0], r
[i
% 6]);
291 for (; i
< 24; i
++) {
296 function out(r
, g
, b
) {
297 colors
.push('#' + hex(r
) + hex(g
) + hex(b
));
302 return c
.length
< 2 ? '0' + c
: c
;
308 Terminal
._colors
= Terminal
.colors
.slice();
310 Terminal
.vcolors
= (function() {
312 , colors
= Terminal
.colors
316 for (; i
< 256; i
++) {
317 color
= parseInt(colors
[i
].substring(1), 16);
319 (color
>> 16) & 0xff,
332 Terminal
.defaults
= {
333 colors
: Terminal
.colors
,
345 // programFeatures: false,
349 Terminal
.options
= {};
351 Terminal
.focus
= null;
353 each(keys(Terminal
.defaults
), function(key
) {
354 Terminal
[key
] = Terminal
.defaults
[key
];
355 Terminal
.options
[key
] = Terminal
.defaults
[key
];
359 * Focus the terminal. Delegates focus handling to the terminal's DOM element.
361 Terminal
.prototype.focus = function() {
362 return this.textarea
.focus();
366 * Retrieves an option's value from the terminal.
367 * @param {string} key The option key.
369 Terminal
.prototype.getOption = function(key
, value
) {
370 if (!(key
in Terminal
.defaults
)) {
371 throw new Error('No option with key "' + key
+ '"');
374 if (typeof this.options
[key
] !== 'undefined') {
375 return this.options
[key
];
382 * Sets an option on the terminal.
383 * @param {string} key The option key.
384 * @param {string} value The option value.
386 Terminal
.prototype.setOption = function(key
, value
) {
387 if (!(key
in Terminal
.defaults
)) {
388 throw new Error('No option with key "' + key
+ '"');
391 this.options
[key
] = value
;
395 * Binds the desired focus behavior on a given terminal object.
399 Terminal
.bindFocus = function (term
) {
400 on(term
.textarea
, 'focus', function (ev
) {
401 if (term
.sendFocus
) {
404 term
.element
.classList
.add('focus');
406 Terminal
.focus
= term
;
407 term
.emit('focus', {terminal
: term
});
412 * Blur the terminal. Delegates blur handling to the terminal's DOM element.
414 Terminal
.prototype.blur = function() {
415 return this.textarea
.blur();
419 * Binds the desired blur behavior on a given terminal object.
423 Terminal
.bindBlur = function (term
) {
424 on(term
.textarea
, 'blur', function (ev
) {
425 term
.refresh(term
.y
, term
.y
);
426 if (term
.sendFocus
) {
429 term
.element
.classList
.remove('focus');
430 Terminal
.focus
= null;
431 term
.emit('blur', {terminal
: term
});
436 * Initialize default behavior
438 Terminal
.prototype.initGlobal = function() {
441 Terminal
.bindKeys(this);
442 Terminal
.bindFocus(this);
443 Terminal
.bindBlur(this);
445 // Bind clipboard functionality
446 on(this.element
, 'copy', copyHandler
);
447 on(this.textarea
, 'paste', function (ev
) {
448 pasteHandler
.call(this, ev
, term
);
450 on(this.element
, 'contextmenu', function (ev
) {
451 rightClickHandler
.call(this, ev
, term
);
456 * Apply key handling to the terminal
458 Terminal
.bindKeys = function(term
) {
459 on(term
.element
, 'keydown', function(ev
) {
460 if (document
.activeElement
!= this) {
466 on(term
.element
, 'keypress', function(ev
) {
467 if (document
.activeElement
!= this) {
473 on(term
.element
, 'keyup', term
.focus
.bind(term
));
475 on(term
.textarea
, 'keydown', function(ev
) {
479 on(term
.textarea
, 'keypress', function(ev
) {
481 // Truncate the textarea's value, since it is not needed
485 on(term
.textarea
, 'compositionstart', term
.compositionHelper
.compositionstart
.bind(term
.compositionHelper
));
486 on(term
.textarea
, 'compositionupdate', term
.compositionHelper
.compositionupdate
.bind(term
.compositionHelper
));
487 on(term
.textarea
, 'compositionend', term
.compositionHelper
.compositionend
.bind(term
.compositionHelper
));
488 term
.on('refresh', term
.compositionHelper
.updateCompositionElements
.bind(term
.compositionHelper
));
493 * Insert the given row to the terminal or produce a new one
494 * if no row argument is passed. Return the inserted row.
495 * @param {HTMLElement} row (optional) The row to append to the terminal.
497 Terminal
.prototype.insertRow = function (row
) {
498 if (typeof row
!= 'object') {
499 row
= document
.createElement('div');
502 this.rowContainer
.appendChild(row
);
503 this.children
.push(row
);
509 * Opens the terminal within an element.
511 * @param {HTMLElement} parent The element to create the terminal within.
513 Terminal
.prototype.open = function(parent
) {
514 var self
=this, i
=0, div
;
516 this.parent
= parent
|| this.parent
;
519 throw new Error('Terminal requires a parent element.');
522 // Grab global elements
523 this.context
= this.parent
.ownerDocument
.defaultView
;
524 this.document
= this.parent
.ownerDocument
;
525 this.body
= this.document
.getElementsByTagName('body')[0];
528 if (this.context
.navigator
&& this.context
.navigator
.userAgent
) {
529 this.isMSIE
= !!~this.context
.navigator
.userAgent
.indexOf('MSIE');
532 // Find the users platform. We use this to interpret the meta key
533 // and ISO third level shifts.
534 // http://stackoverflow.com/q/19877924/577598
535 if (this.context
.navigator
&& this.context
.navigator
.platform
) {
536 this.isMac
= contains(
537 this.context
.navigator
.platform
,
538 ['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K']
540 this.isIpad
= this.context
.navigator
.platform
=== 'iPad';
541 this.isIphone
= this.context
.navigator
.platform
=== 'iPhone';
542 this.isMSWindows
= contains(
543 this.context
.navigator
.platform
,
544 ['Windows', 'Win16', 'Win32', 'WinCE']
548 //Create main element container
549 this.element
= this.document
.createElement('div');
550 this.element
.classList
.add('terminal');
551 this.element
.classList
.add('xterm');
552 this.element
.classList
.add('xterm-theme-' + this.theme
);
554 this.element
.style
.height
555 this.element
.setAttribute('tabindex', 0);
557 this.viewportElement
= document
.createElement('div');
558 this.viewportElement
.classList
.add('xterm-viewport');
559 this.element
.appendChild(this.viewportElement
);
560 this.viewportScrollArea
= document
.createElement('div');
561 this.viewportScrollArea
.classList
.add('xterm-scroll-area');
562 this.viewportElement
.appendChild(this.viewportScrollArea
);
564 // Create the container that will hold the lines of the terminal and then
565 // produce the lines the lines.
566 this.rowContainer
= document
.createElement('div');
567 this.rowContainer
.classList
.add('xterm-rows');
568 this.element
.appendChild(this.rowContainer
);
571 // Create the container that will hold helpers like the textarea for
572 // capturing DOM Events. Then produce the helpers.
573 this.helperContainer
= document
.createElement('div');
574 this.helperContainer
.classList
.add('xterm-helpers');
575 // TODO: This should probably be inserted once it's filled to prevent an additional layout
576 this.element
.appendChild(this.helperContainer
);
577 this.textarea
= document
.createElement('textarea');
578 this.textarea
.classList
.add('xterm-helper-textarea');
579 this.textarea
.setAttribute('autocorrect', 'off');
580 this.textarea
.setAttribute('autocapitalize', 'off');
581 this.textarea
.setAttribute('spellcheck', 'false');
582 this.textarea
.tabIndex
= 0;
583 this.textarea
.addEventListener('focus', function() {
584 self
.emit('focus', {terminal
: self
});
586 this.textarea
.addEventListener('blur', function() {
587 self
.emit('blur', {terminal
: self
});
589 this.helperContainer
.appendChild(this.textarea
);
591 this.compositionView
= document
.createElement('div');
592 this.compositionView
.classList
.add('composition-view');
593 this.compositionHelper
= new CompositionHelper(this.textarea
, this.compositionView
, this);
594 this.helperContainer
.appendChild(this.compositionView
);
596 this.charMeasureElement
= document
.createElement('div');
597 this.charMeasureElement
.classList
.add('xterm-char-measure-element');
598 this.charMeasureElement
.innerHTML
= 'W';
599 this.helperContainer
.appendChild(this.charMeasureElement
);
601 for (; i
< this.rows
; i
++) {
604 this.parent
.appendChild(this.element
);
606 this.viewport
= new Viewport(this, this.viewportElement
, this.viewportScrollArea
, this.charMeasureElement
);
609 this.refresh(0, this.rows
- 1);
611 // Initialize global actions that
612 // need to be taken on the document.
615 // Ensure there is a Terminal.focus.
618 on(this.element
, 'click', function() {
619 var selection
= document
.getSelection(),
620 collapsed
= selection
.isCollapsed
,
621 isRange
= typeof collapsed
== 'boolean' ? !collapsed
: selection
.type
== 'Range';
627 // Listen for mouse events and translate
628 // them into terminal mouse protocols.
631 // Figure out whether boldness affects
632 // the character width of monospace fonts.
633 if (Terminal
.brokenBold
== null) {
634 Terminal
.brokenBold
= isBoldBroken(this.document
);
642 * Attempts to load an add-on using CommonJS or RequireJS (whichever is available).
643 * @param {string} addon The name of the addon to load
646 Terminal
.loadAddon = function(addon
, callback
) {
647 if (typeof exports
=== 'object' && typeof module
=== 'object') {
649 return require('../addons/' + addon
);
650 } else if (typeof define
== 'function') {
652 return require(['../addons/' + addon
+ '/' + addon
], callback
);
654 console
.error('Cannot load a module without a CommonJS or RequireJS environment.');
662 * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking
663 * To better understand these
664 * the xterm code is very helpful:
666 * button.c, charproc.c, misc.c
667 * Relevant functions in xterm/button.c:
668 * BtnCode, EmitButtonCode, EditorButton, SendMousePosition
670 Terminal
.prototype.bindMouse = function() {
671 var el
= this.element
, self
= this, pressed
= 32;
673 // mouseup, mousedown, wheel
674 // left click: ^[[M 3<^[[M#3<
676 function sendButton(ev
) {
680 // get the xterm-style button
681 button
= getButton(ev
);
683 // get mouse coordinates
687 sendEvent(button
, pos
);
689 switch (ev
.overrideType
|| ev
.type
) {
694 // keep it at the left
695 // button, just in case.
706 // motion example of a left click:
707 // ^[[M 3<^[[M@4<^[[M@5<^[[M@6<^[[M@7<^[[M#7<
708 function sendMove(ev
) {
715 // buttons marked as motions
716 // are incremented by 32
719 sendEvent(button
, pos
);
723 // position to characters
724 function encode(data
, ch
) {
725 if (!self
.utfMouse
) {
726 if (ch
=== 255) return data
.push(0);
727 if (ch
> 127) ch
= 127;
730 if (ch
=== 2047) return data
.push(0);
734 if (ch
> 2047) ch
= 2047;
735 data
.push(0xC0 | (ch
>> 6));
736 data
.push(0x80 | (ch
& 0x3F));
741 // send a mouse event:
742 // regular/utf8: ^[[M Cb Cx Cy
743 // urxvt: ^[[ Cb ; Cx ; Cy M
744 // sgr: ^[[ Cb ; Cx ; Cy M/m
745 // vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \r
746 // locator: CSI P e ; P b ; P r ; P c ; P p & w
747 function sendEvent(button
, pos
) {
748 // self.emit('mouse', {
754 if (self
.vt300Mouse
) {
756 // http://www.vt100.net/docs/vt3xx-gp/chapter15.html
760 var data
= '\x1b[24';
761 if (button
=== 0) data
+= '1';
762 else if (button
=== 1) data
+= '3';
763 else if (button
=== 2) data
+= '5';
764 else if (button
=== 3) return;
766 data
+= '~[' + pos
.x
+ ',' + pos
.y
+ ']\r';
771 if (self
.decLocator
) {
776 if (button
=== 0) button
= 2;
777 else if (button
=== 1) button
= 4;
778 else if (button
=== 2) button
= 6;
779 else if (button
=== 3) button
= 3;
783 + (button
=== 3 ? 4 : 0)
794 if (self
.urxvtMouse
) {
799 self
.send('\x1b[' + button
+ ';' + pos
.x
+ ';' + pos
.y
+ 'M');
807 + ((button
& 3) === 3 ? button
& ~3 : button
)
812 + ((button
& 3) === 3 ? 'm' : 'M'));
818 encode(data
, button
);
822 self
.send('\x1b[M' + String
.fromCharCode
.apply(String
, data
));
825 function getButton(ev
) {
838 // 1, and 2 - with 64 added
839 switch (ev
.overrideType
|| ev
.type
) {
841 button
= ev
.button
!= null
848 button
= button
=== 1 ? 0 : button
=== 4 ? 1 : button
;
854 case 'DOMMouseScroll':
855 button
= ev
.detail
< 0
860 button
= ev
.wheelDeltaY
> 0
866 // next three bits are the modifiers:
867 // 4 = shift, 8 = meta, 16 = control
868 shift
= ev
.shiftKey
? 4 : 0;
869 meta
= ev
.metaKey
? 8 : 0;
870 ctrl
= ev
.ctrlKey
? 16 : 0;
871 mod
= shift
| meta
| ctrl
;
874 if (self
.vt200Mouse
) {
877 } else if (!self
.normalMouse
) {
882 button
= (32 + (mod
<< 2)) + button
;
887 // mouse coordinates measured in cols/rows
888 function getCoords(ev
) {
891 // ignore browsers without pageX for now
892 if (ev
.pageX
== null) return;
898 // should probably check offsetParent
899 // but this is more portable
900 while (el
&& el
!== self
.document
.documentElement
) {
903 el
= 'offsetParent' in el
908 // convert to cols/rows
909 w
= self
.element
.clientWidth
;
910 h
= self
.element
.clientHeight
;
911 x
= Math
.ceil((x
/ w
) * self
.cols
);
912 y
= Math
.ceil((y
/ h
) * self
.rows
);
914 // be sure to avoid sending
915 // bad positions to the program
917 if (x
> self
.cols
) x
= self
.cols
;
919 if (y
> self
.rows
) y
= self
.rows
;
921 // xterm sends raw bytes and
922 // starts at 32 (SP) for each.
933 on(el
, 'mousedown', function(ev
) {
934 if (!self
.mouseEvents
) return;
943 //if (self.vt200Mouse && !self.normalMouse) {
944 if (self
.vt200Mouse
) {
945 ev
.overrideType
= 'mouseup';
947 return self
.cancel(ev
);
951 if (self
.normalMouse
) on(self
.document
, 'mousemove', sendMove
);
953 // x10 compatibility mode can't send button releases
954 if (!self
.x10Mouse
) {
955 on(self
.document
, 'mouseup', function up(ev
) {
957 if (self
.normalMouse
) off(self
.document
, 'mousemove', sendMove
);
958 off(self
.document
, 'mouseup', up
);
959 return self
.cancel(ev
);
963 return self
.cancel(ev
);
966 //if (self.normalMouse) {
967 // on(self.document, 'mousemove', sendMove);
970 on(el
, 'wheel', function(ev
) {
971 if (!self
.mouseEvents
) return;
974 || self
.decLocator
) return;
976 return self
.cancel(ev
);
979 // allow wheel scrolling in
980 // the shell for example
981 on(el
, 'wheel', function(ev
) {
982 if (self
.mouseEvents
) return;
983 self
.viewport
.onWheel(ev
);
984 return self
.cancel(ev
);
989 * Destroys the terminal.
991 Terminal
.prototype.destroy = function() {
992 this.readable
= false;
993 this.writable
= false;
995 this.handler = function() {};
996 this.write = function() {};
997 if (this.element
.parentNode
) {
998 this.element
.parentNode
.removeChild(this.element
);
1000 //this.emit('close');
1005 * Flags used to render terminal text properly
1016 * Refreshes (re-renders) terminal content within two rows (inclusive)
1020 * In the screen buffer, each character is stored as a an array with a character
1021 * and a 32-bit integer:
1022 * - First value: a utf-16 character.
1024 * - Next 9 bits: background color (0-511).
1025 * - Next 9 bits: foreground color (0-511).
1026 * - Next 14 bits: a mask for misc. flags:
1033 * @param {number} start The row to start from (between 0 and terminal's height terminal - 1)
1034 * @param {number} end The row to end at (between fromRow and terminal's height terminal - 1)
1035 * @param {boolean} queue Whether the refresh should ran right now or be queued
1037 Terminal
.prototype.refresh = function(start
, end
, queue
) {
1040 // queue defaults to true
1041 queue
= (typeof queue
== 'undefined') ? true : queue
;
1044 * The refresh queue allows refresh to execute only approximately 30 times a second. For
1045 * commands that pass a significant amount of output to the write function, this prevents the
1046 * terminal from maxing out the CPU and making the UI unresponsive. While commands can still
1047 * run beyond what they do on the terminal, it is far better with a debounce in place as
1048 * every single terminal manipulation does not need to be constructed in the DOM.
1050 * A side-effect of this is that it makes ^C to interrupt a process seem more responsive.
1053 // If refresh should be queued, order the refresh and return.
1054 if (this._refreshIsQueued
) {
1055 // If a refresh has already been queued, just order a full refresh next
1056 this._fullRefreshNext
= true;
1058 setTimeout(function () {
1059 self
.refresh(start
, end
, false);
1061 this._refreshIsQueued
= true;
1066 // If refresh should be run right now (not be queued), release the lock
1067 this._refreshIsQueued
= false;
1069 // If multiple refreshes were requested, make a full refresh.
1070 if (this._fullRefreshNext
) {
1072 end
= this.rows
- 1;
1073 this._fullRefreshNext
= false // reset lock
1076 var x
, y
, i
, line
, out
, ch
, ch_width
, width
, data
, attr
, bg
, fg
, flags
, row
, parent
, focused
= document
.activeElement
;
1078 // If this is a big refresh, remove the terminal rows from the DOM for faster calculations
1079 if (end
- start
>= this.rows
/ 2) {
1080 parent
= this.element
.parentNode
;
1082 this.element
.removeChild(this.rowContainer
);
1089 if (end
>= this.rows
.length
) {
1090 this.log('`end` is too large. Most likely a bad CSR.');
1091 end
= this.rows
.length
- 1;
1094 for (; y
<= end
; y
++) {
1095 row
= y
+ this.ydisp
;
1097 line
= this.lines
[row
];
1100 if (this.y
=== y
- (this.ybase
- this.ydisp
)
1102 && !this.cursorHidden
) {
1108 attr
= this.defAttr
;
1111 for (; i
< width
; i
++) {
1114 ch_width
= line
[i
][2];
1118 if (i
=== x
) data
= -1;
1120 if (data
!== attr
) {
1121 if (attr
!== this.defAttr
) {
1124 if (data
!== this.defAttr
) {
1126 out
+= '<span class="reverse-video terminal-cursor';
1127 if (this.cursorBlink
) {
1132 var classNames
= [];
1135 fg
= (data
>> 9) & 0x1ff;
1138 if (flags
& Terminal
.flags
.BOLD
) {
1139 if (!Terminal
.brokenBold
) {
1140 classNames
.push('xterm-bold');
1142 // See: XTerm*boldColors
1143 if (fg
< 8) fg
+= 8;
1146 if (flags
& Terminal
.flags
.UNDERLINE
) {
1147 classNames
.push('xterm-underline');
1150 if (flags
& Terminal
.flags
.BLINK
) {
1151 classNames
.push('xterm-blink');
1154 // If inverse flag is on, then swap the foreground and background variables.
1155 if (flags
& Terminal
.flags
.INVERSE
) {
1156 /* One-line variable swap in JavaScript: http://stackoverflow.com/a/16201730 */
1157 bg = [fg, fg = bg][0];
1158 // Should inverse just be before the
1159 // above boldColors effect instead?
1160 if ((flags & 1) && fg < 8) fg += 8;
1163 if (flags & Terminal.flags.INVISIBLE) {
1164 classNames.push('xterm-hidden');
1168 * Weird situation: Invert flag used black foreground and white background results
1169 * in invalid background color, positioned at the 256 index of the 256 terminal
1170 * color map. Pin the colors manually in such a case.
1172 * Source: https://github.com/sourcelair/xterm.js/issues/57
1174 if (flags
& Terminal
.flags
.INVERSE
) {
1184 classNames
.push('xterm-bg-color-' + bg
);
1188 classNames
.push('xterm-color-' + fg
);
1192 if (classNames
.length
) {
1193 out
+= ' class="' + classNames
.join(' ') + '"';
1222 if (attr
!== this.defAttr
) {
1226 this.children
[y
].innerHTML
= out
;
1230 this.element
.appendChild(this.rowContainer
);
1233 this.emit('refresh', {element
: this.element
, start
: start
, end
: end
});
1237 * Display the cursor element
1239 Terminal
.prototype.showCursor = function() {
1240 if (!this.cursorState
) {
1241 this.cursorState
= 1;
1242 this.refresh(this.y
, this.y
);
1247 * Scroll the terminal
1249 Terminal
.prototype.scroll = function() {
1252 if (++this.ybase
=== this.scrollback
) {
1253 this.ybase
= this.ybase
/ 2 | 0;
1254 this.lines
= this.lines
.slice(-(this.ybase
+ this.rows
) + 1);
1257 this.ydisp
= this.ybase
;
1260 row
= this.ybase
+ this.rows
- 1;
1262 // subtract the bottom scroll region
1263 row
-= this.rows
- 1 - this.scrollBottom
;
1265 if (row
=== this.lines
.length
) {
1266 // potential optimization:
1267 // pushing is faster than splicing
1268 // when they amount to the same
1270 this.lines
.push(this.blankLine());
1273 this.lines
.splice(row
, 0, this.blankLine());
1276 if (this.scrollTop
!== 0) {
1277 if (this.ybase
!== 0) {
1279 this.ydisp
= this.ybase
;
1281 this.lines
.splice(this.ybase
+ this.scrollTop
, 1);
1285 this.updateRange(this.scrollTop
);
1286 this.updateRange(this.scrollBottom
);
1288 this.emit('scroll', this.ydisp
);
1292 * Scroll the display of the terminal
1293 * @param {number} disp The number of lines to scroll down (negatives scroll up).
1294 * @param {boolean} suppressScrollEvent Don't emit the scroll event as scrollDisp. This is used
1295 * to avoid unwanted events being handled by the veiwport when the event was triggered from the
1296 * viewport originally.
1298 Terminal
.prototype.scrollDisp = function(disp
, suppressScrollEvent
) {
1301 if (this.ydisp
> this.ybase
) {
1302 this.ydisp
= this.ybase
;
1303 } else if (this.ydisp
< 0) {
1307 if (!suppressScrollEvent
) {
1308 this.emit('scroll', this.ydisp
);
1311 this.refresh(0, this.rows
- 1);
1315 * Scroll the display of the terminal by a number of pages.
1316 * @param {number} pageCount The number of pages to scroll (negative scrolls up).
1318 Terminal
.prototype.scrollPages = function(pageCount
) {
1319 this.scrollDisp(pageCount
* (this.rows
- 1));
1323 * Scrolls the display of the terminal to the top.
1325 Terminal
.prototype.scrollToTop = function() {
1326 this.scrollDisp(-this.ydisp
);
1330 * Scrolls the display of the terminal to the bottom.
1332 Terminal
.prototype.scrollToBottom = function() {
1333 this.scrollDisp(this.ybase
- this.ydisp
);
1337 * Writes text to the terminal.
1338 * @param {string} text The text to write to the terminal.
1340 Terminal
.prototype.write = function(data
) {
1341 var l
= data
.length
, i
= 0, j
, cs
, ch
, code
, low
, ch_width
, row
;
1343 this.refreshStart
= this.y
;
1344 this.refreshEnd
= this.y
;
1346 if (this.ybase
!== this.ydisp
) {
1347 this.ydisp
= this.ybase
;
1348 this.emit('scroll', this.ydisp
);
1352 // apply leftover surrogate high from last write
1353 if (this.surrogate_high
) {
1354 data
= this.surrogate_high
+ data
;
1355 this.surrogate_high
= '';
1358 for (; i
< l
; i
++) {
1361 // FIXME: higher chars than 0xa0 are not allowed in escape sequences
1362 // --> maybe move to default
1363 code
= data
.charCodeAt(i
);
1364 if (0xD800 <= code
&& code
<= 0xDBFF) {
1365 // we got a surrogate high
1366 // get surrogate low (next 2 bytes)
1367 low
= data
.charCodeAt(i
+1);
1369 // end of data stream, save surrogate high
1370 this.surrogate_high
= ch
;
1373 code
= ((code
- 0xD800) * 0x400) + (low
- 0xDC00) + 0x10000;
1374 ch
+= data
.charAt(i
+1);
1376 // surrogate low - already handled above
1377 if (0xDC00 <= code
&& code
<= 0xDFFF)
1380 switch (this.state
) {
1391 if (this.convertEol
) {
1395 if (this.y
> this.scrollBottom
) {
1415 this.x
= this.nextStop();
1430 this.state
= escaped
;
1435 // calculate print space
1436 // expensive call, therefore we save width in line buffer
1437 ch_width
= wcwidth(code
);
1440 if (this.charset
&& this.charset
[ch
]) {
1441 ch
= this.charset
[ch
];
1444 row
= this.y
+ this.ybase
;
1446 // insert combining char in last cell
1447 // FIXME: needs handling after cursor jumps
1448 if (!ch_width
&& this.x
) {
1450 // dont overflow left
1451 if (this.lines
[row
][this.x
-1]) {
1452 if (!this.lines
[row
][this.x
-1][2]) {
1454 // found empty cell after fullwidth, need to go 2 cells back
1455 if (this.lines
[row
][this.x
-2])
1456 this.lines
[row
][this.x
-2][1] += ch
;
1459 this.lines
[row
][this.x
-1][1] += ch
;
1461 this.updateRange(this.y
);
1466 // goto next line if ch would overflow
1467 // TODO: needs a global min terminal width of 2
1468 if (this.x
+ch_width
-1 >= this.cols
) {
1469 // autowrap - DECAWM
1470 if (this.wraparoundMode
) {
1473 if (this.y
> this.scrollBottom
) {
1478 this.x
= this.cols
-1;
1479 if(ch_width
===2) // FIXME: check for xterm behavior
1483 row
= this.y
+ this.ybase
;
1485 // insert mode: move characters to right
1486 if (this.insertMode
) {
1487 // do this twice for a fullwidth char
1488 for (var moves
=0; moves
<ch_width
; ++moves
) {
1489 // remove last cell, if it's width is 0
1490 // we have to adjust the second last cell as well
1491 var removed
= this.lines
[this.y
+ this.ybase
].pop();
1493 && this.lines
[row
][this.cols
-2]
1494 && this.lines
[row
][this.cols
-2][2]===2)
1495 this.lines
[row
][this.cols
-2] = [this.curAttr
, ' ', 1];
1497 // insert empty cell at cursor
1498 this.lines
[row
].splice(this.x
, 0, [this.curAttr
, ' ', 1]);
1502 this.lines
[row
][this.x
] = [this.curAttr
, ch
, ch_width
];
1504 this.updateRange(this.y
);
1506 // fullwidth char - set next cell width to zero and advance cursor
1508 this.lines
[row
][this.x
] = [this.curAttr
, '', 0];
1517 // ESC [ Control Sequence Introducer ( CSI is 0x9b).
1520 this.currentParam
= 0;
1524 // ESC ] Operating System Command ( OSC is 0x9d).
1527 this.currentParam
= 0;
1531 // ESC P Device Control String ( DCS is 0x90).
1534 this.currentParam
= 0;
1538 // ESC _ Application Program Command ( APC is 0x9f).
1540 this.state
= ignore
;
1543 // ESC ^ Privacy Message ( PM is 0x9e).
1545 this.state
= ignore
;
1548 // ESC c Full Reset (RIS).
1553 // ESC E Next Line ( NEL is 0x85).
1554 // ESC D Index ( IND is 0x84).
1562 // ESC M Reverse Index ( RI is 0x8d).
1564 this.reverseIndex();
1567 // ESC % Select default/utf-8 character set.
1568 // @ = default, G = utf-8
1570 //this.charset = null;
1572 this.setgCharset(0, Terminal
.charsets
.US
);
1573 this.state
= normal
;
1577 // ESC (,),*,+,-,. Designate G0-G2 Character Set.
1578 case '(': // <-- this seems to get all the attention
1604 this.state
= charset
;
1607 // Designate G3 Character Set (VT300).
1608 // A = ISO Latin-1 Supplemental.
1612 this.state
= charset
;
1617 // Single Shift Select of G2 Character Set
1618 // ( SS2 is 0x8e). This affects next character only.
1622 // Single Shift Select of G3 Character Set
1623 // ( SS3 is 0x8f). This affects next character only.
1627 // Invoke the G2 Character Set as GL (LS2).
1632 // Invoke the G3 Character Set as GL (LS3).
1637 // Invoke the G3 Character Set as GR (LS3R).
1642 // Invoke the G2 Character Set as GR (LS2R).
1647 // Invoke the G1 Character Set as GR (LS1R).
1652 // ESC 7 Save Cursor (DECSC).
1655 this.state
= normal
;
1658 // ESC 8 Restore Cursor (DECRC).
1660 this.restoreCursor();
1661 this.state
= normal
;
1664 // ESC # 3 DEC line height/width
1666 this.state
= normal
;
1670 // ESC H Tab Set (HTS is 0x88).
1675 // ESC = Application Keypad (DECKPAM).
1677 this.log('Serial port requested application keypad.');
1678 this.applicationKeypad
= true;
1679 this.viewport
.syncScrollArea();
1680 this.state
= normal
;
1683 // ESC > Normal Keypad (DECKPNM).
1685 this.log('Switching back to normal keypad.');
1686 this.applicationKeypad
= false;
1687 this.viewport
.syncScrollArea();
1688 this.state
= normal
;
1692 this.state
= normal
;
1693 this.error('Unknown ESC control: %s.', ch
);
1700 case '0': // DEC Special Character and Line Drawing Set.
1701 cs
= Terminal
.charsets
.SCLD
;
1704 cs
= Terminal
.charsets
.UK
;
1706 case 'B': // United States (USASCII).
1707 cs
= Terminal
.charsets
.US
;
1710 cs
= Terminal
.charsets
.Dutch
;
1712 case 'C': // Finnish
1714 cs
= Terminal
.charsets
.Finnish
;
1717 cs
= Terminal
.charsets
.French
;
1719 case 'Q': // FrenchCanadian
1720 cs
= Terminal
.charsets
.FrenchCanadian
;
1723 cs
= Terminal
.charsets
.German
;
1725 case 'Y': // Italian
1726 cs
= Terminal
.charsets
.Italian
;
1728 case 'E': // NorwegianDanish
1730 cs
= Terminal
.charsets
.NorwegianDanish
;
1732 case 'Z': // Spanish
1733 cs
= Terminal
.charsets
.Spanish
;
1735 case 'H': // Swedish
1737 cs
= Terminal
.charsets
.Swedish
;
1740 cs
= Terminal
.charsets
.Swiss
;
1742 case '/': // ISOLatin (actually /A)
1743 cs
= Terminal
.charsets
.ISOLatin
;
1747 cs
= Terminal
.charsets
.US
;
1750 this.setgCharset(this.gcharset
, cs
);
1751 this.gcharset
= null;
1752 this.state
= normal
;
1758 // Set Text Parameters.
1759 if (ch
=== '\x1b' || ch
=== '\x07') {
1760 if (ch
=== '\x1b') i
++;
1762 this.params
.push(this.currentParam
);
1764 switch (this.params
[0]) {
1768 if (this.params
[1]) {
1769 this.title
= this.params
[1];
1770 this.handleTitle(this.title
);
1778 // change dynamic colors
1790 // change dynamic ui colors
1802 // manipulate selection data
1820 this.currentParam
= 0;
1821 this.state
= normal
;
1823 if (!this.params
.length
) {
1824 if (ch
>= '0' && ch
<= '9') {
1826 this.currentParam
* 10 + ch
.charCodeAt(0) - 48;
1827 } else if (ch
=== ';') {
1828 this.params
.push(this.currentParam
);
1829 this.currentParam
= '';
1832 this.currentParam
+= ch
;
1839 if (ch
=== '?' || ch
=== '>' || ch
=== '!') {
1845 if (ch
>= '0' && ch
<= '9') {
1846 this.currentParam
= this.currentParam
* 10 + ch
.charCodeAt(0) - 48;
1850 // '$', '"', ' ', '\''
1851 if (ch
=== '$' || ch
=== '"' || ch
=== ' ' || ch
=== '\'') {
1856 this.params
.push(this.currentParam
);
1857 this.currentParam
= 0;
1860 if (ch
=== ';') break;
1862 this.state
= normal
;
1866 // Cursor Up Ps Times (default = 1) (CUU).
1868 this.cursorUp(this.params
);
1872 // Cursor Down Ps Times (default = 1) (CUD).
1874 this.cursorDown(this.params
);
1878 // Cursor Forward Ps Times (default = 1) (CUF).
1880 this.cursorForward(this.params
);
1884 // Cursor Backward Ps Times (default = 1) (CUB).
1886 this.cursorBackward(this.params
);
1890 // Cursor Position [row;column] (default = [1,1]) (CUP).
1892 this.cursorPos(this.params
);
1895 // CSI Ps J Erase in Display (ED).
1897 this.eraseInDisplay(this.params
);
1900 // CSI Ps K Erase in Line (EL).
1902 this.eraseInLine(this.params
);
1905 // CSI Pm m Character Attributes (SGR).
1908 this.charAttributes(this.params
);
1912 // CSI Ps n Device Status Report (DSR).
1915 this.deviceStatus(this.params
);
1924 // Insert Ps (Blank) Character(s) (default = 1) (ICH).
1926 this.insertChars(this.params
);
1930 // Cursor Next Line Ps Times (default = 1) (CNL).
1932 this.cursorNextLine(this.params
);
1936 // Cursor Preceding Line Ps Times (default = 1) (CNL).
1938 this.cursorPrecedingLine(this.params
);
1942 // Cursor Character Absolute [column] (default = [row,1]) (CHA).
1944 this.cursorCharAbsolute(this.params
);
1948 // Insert Ps Line(s) (default = 1) (IL).
1950 this.insertLines(this.params
);
1954 // Delete Ps Line(s) (default = 1) (DL).
1956 this.deleteLines(this.params
);
1960 // Delete Ps Character(s) (default = 1) (DCH).
1962 this.deleteChars(this.params
);
1966 // Erase Ps Character(s) (default = 1) (ECH).
1968 this.eraseChars(this.params
);
1971 // CSI Pm ` Character Position Absolute
1972 // [column] (default = [row,1]) (HPA).
1974 this.charPosAbsolute(this.params
);
1978 // Horizontal Position Relative
1980 this.HPositionRelative(this.params
);
1984 // Send Device Attributes (Primary DA).
1986 // Send Device Attributes (Secondary DA)
1988 this.sendDeviceAttributes(this.params
);
1992 // Line Position Absolute [row] (default = [1,column]) (VPA).
1994 this.linePosAbsolute(this.params
);
1997 // 145 65 e * VPR - Vertical Position Relative
1999 this.VPositionRelative(this.params
);
2003 // Horizontal and Vertical Position [row;column] (default =
2006 this.HVPosition(this.params
);
2009 // CSI Pm h Set Mode (SM).
2010 // CSI ? Pm h - mouse escape codes, cursor escape codes
2012 this.setMode(this.params
);
2015 // CSI Pm l Reset Mode (RM).
2018 this.resetMode(this.params
);
2022 // Set Scrolling Region [top;bottom] (default = full size of win-
2026 this.setScrollRegion(this.params
);
2030 // Save cursor (ANSI.SYS).
2032 this.saveCursor(this.params
);
2036 // Restore cursor (ANSI.SYS).
2038 this.restoreCursor(this.params
);
2046 // Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
2048 this.cursorForwardTab(this.params
);
2051 // CSI Ps S Scroll up Ps lines (default = 1) (SU).
2053 this.scrollUp(this.params
);
2056 // CSI Ps T Scroll down Ps lines (default = 1) (SD).
2057 // CSI Ps ; Ps ; Ps ; Ps ; Ps T
2060 // if (this.prefix === '>') {
2061 // this.resetTitleModes(this.params);
2064 // if (this.params.length > 2) {
2065 // this.initMouseTracking(this.params);
2068 if (this.params
.length
< 2 && !this.prefix
) {
2069 this.scrollDown(this.params
);
2074 // Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
2076 this.cursorBackwardTab(this.params
);
2079 // CSI Ps b Repeat the preceding graphic character Ps times (REP).
2081 this.repeatPrecedingCharacter(this.params
);
2084 // CSI Ps g Tab Clear (TBC).
2086 this.tabClear(this.params
);
2089 // CSI Pm i Media Copy (MC).
2092 // this.mediaCopy(this.params);
2095 // CSI Pm m Character Attributes (SGR).
2097 // case 'm': // duplicate
2098 // if (this.prefix === '>') {
2099 // this.setResources(this.params);
2101 // this.charAttributes(this.params);
2105 // CSI Ps n Device Status Report (DSR).
2107 // case 'n': // duplicate
2108 // if (this.prefix === '>') {
2109 // this.disableModifiers(this.params);
2111 // this.deviceStatus(this.params);
2115 // CSI > Ps p Set pointer mode.
2116 // CSI ! p Soft terminal reset (DECSTR).
2118 // Request ANSI mode (DECRQM).
2120 // Request DEC private mode (DECRQM).
2123 switch (this.prefix
) {
2125 // this.setPointerMode(this.params);
2128 this.softReset(this.params
);
2131 // if (this.postfix === '$') {
2132 // this.requestPrivateMode(this.params);
2136 // if (this.postfix === '"') {
2137 // this.setConformanceLevel(this.params);
2138 // } else if (this.postfix === '$') {
2139 // this.requestAnsiMode(this.params);
2145 // CSI Ps q Load LEDs (DECLL).
2149 // if (this.postfix === ' ') {
2150 // this.setCursorStyle(this.params);
2153 // if (this.postfix === '"') {
2154 // this.setCharProtectionAttr(this.params);
2157 // this.loadLEDs(this.params);
2161 // Set Scrolling Region [top;bottom] (default = full size of win-
2164 // CSI Pt; Pl; Pb; Pr; Ps$ r
2165 // case 'r': // duplicate
2166 // if (this.prefix === '?') {
2167 // this.restorePrivateValues(this.params);
2168 // } else if (this.postfix === '$') {
2169 // this.setAttrInRectangle(this.params);
2171 // this.setScrollRegion(this.params);
2175 // CSI s Save cursor (ANSI.SYS).
2177 // case 's': // duplicate
2178 // if (this.prefix === '?') {
2179 // this.savePrivateValues(this.params);
2181 // this.saveCursor(this.params);
2185 // CSI Ps ; Ps ; Ps t
2186 // CSI Pt; Pl; Pb; Pr; Ps$ t
2190 // if (this.postfix === '$') {
2191 // this.reverseAttrInRectangle(this.params);
2192 // } else if (this.postfix === ' ') {
2193 // this.setWarningBellVolume(this.params);
2195 // if (this.prefix === '>') {
2196 // this.setTitleModeFeature(this.params);
2198 // this.manipulateWindow(this.params);
2203 // CSI u Restore cursor (ANSI.SYS).
2205 // case 'u': // duplicate
2206 // if (this.postfix === ' ') {
2207 // this.setMarginBellVolume(this.params);
2209 // this.restoreCursor(this.params);
2213 // CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v
2215 // if (this.postfix === '$') {
2216 // this.copyRectagle(this.params);
2220 // CSI Pt ; Pl ; Pb ; Pr ' w
2222 // if (this.postfix === '\'') {
2223 // this.enableFilterRectangle(this.params);
2227 // CSI Ps x Request Terminal Parameters (DECREQTPARM).
2228 // CSI Ps x Select Attribute Change Extent (DECSACE).
2229 // CSI Pc; Pt; Pl; Pb; Pr$ x
2231 // if (this.postfix === '$') {
2232 // this.fillRectangle(this.params);
2234 // this.requestParameters(this.params);
2235 // //this.__(this.params);
2240 // CSI Pt; Pl; Pb; Pr$ z
2242 // if (this.postfix === '\'') {
2243 // this.enableLocatorReporting(this.params);
2244 // } else if (this.postfix === '$') {
2245 // this.eraseRectangle(this.params);
2250 // CSI Pt; Pl; Pb; Pr$ {
2252 // if (this.postfix === '\'') {
2253 // this.setLocatorEvents(this.params);
2254 // } else if (this.postfix === '$') {
2255 // this.selectiveEraseRectangle(this.params);
2261 // if (this.postfix === '\'') {
2262 // this.requestLocatorPosition(this.params);
2267 // Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
2269 // if (this.postfix === ' ') {
2270 // this.insertColumns(this.params);
2275 // Delete P s Column(s) (default = 1) (DECDC), VT420 and up
2277 // if (this.postfix === ' ') {
2278 // this.deleteColumns(this.params);
2283 this.error('Unknown CSI code: %s.', ch
);
2292 if (ch
=== '\x1b' || ch
=== '\x07') {
2293 if (ch
=== '\x1b') i
++;
2295 switch (this.prefix
) {
2296 // User-Defined Keys (DECUDK).
2300 // Request Status String (DECRQSS).
2301 // test: echo -e '\eP$q"p\e\\'
2303 var pt
= this.currentParam
2320 + (this.scrollTop
+ 1)
2322 + (this.scrollBottom
+ 1)
2332 this.error('Unknown DCS Pt: %s.', pt
);
2337 this.send('\x1bP' + +valid
+ '$r' + pt
+ '\x1b\\');
2340 // Set Termcap/Terminfo Data (xterm, experimental).
2344 // Request Termcap/Terminfo String (xterm, experimental)
2345 // Regular xterm does not even respond to this sequence.
2346 // This can cause a small glitch in vim.
2347 // test: echo -ne '\eP+q6b64\e\\'
2349 var pt
= this.currentParam
2352 this.send('\x1bP' + +valid
+ '+r' + pt
+ '\x1b\\');
2356 this.error('Unknown DCS prefix: %s.', this.prefix
);
2360 this.currentParam
= 0;
2362 this.state
= normal
;
2363 } else if (!this.currentParam
) {
2364 if (!this.prefix
&& ch
!== '$' && ch
!== '+') {
2365 this.currentParam
= ch
;
2366 } else if (this.prefix
.length
=== 2) {
2367 this.currentParam
= ch
;
2372 this.currentParam
+= ch
;
2378 if (ch
=== '\x1b' || ch
=== '\x07') {
2379 if (ch
=== '\x1b') i
++;
2380 this.state
= normal
;
2386 this.updateRange(this.y
);
2387 this.refresh(this.refreshStart
, this.refreshEnd
);
2391 * Writes text to the terminal, followed by a break line character (\n).
2392 * @param {string} text The text to write to the terminal.
2394 Terminal
.prototype.writeln = function(data
) {
2395 this.write(data
+ '\r\n');
2399 * Attaches a custom keydown handler which is run before keys are processed, giving consumers of
2400 * xterm.js ultimate control as to what keys should be processed by the terminal and what keys
2402 * @param {function} customKeydownHandler The custom KeyboardEvent handler to attach. This is a
2403 * function that takes a KeyboardEvent, allowing consumers to stop propogation and/or prevent
2404 * the default action. The function returns whether the event should be processed by xterm.js.
2406 Terminal
.prototype.attachCustomKeydownHandler = function(customKeydownHandler
) {
2407 this.customKeydownHandler
= customKeydownHandler
;
2411 * Handle a keydown event
2413 * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent
2414 * @param {KeyboardEvent} ev The keydown event to be handled.
2416 Terminal
.prototype.keyDown = function(ev
) {
2417 if (this.customKeydownHandler
&& this.customKeydownHandler(ev
) === false) {
2421 if (!this.compositionHelper
.keydown
.bind(this.compositionHelper
)(ev
)) {
2426 var result
= this.evaluateKeyEscapeSequence(ev
);
2428 if (result
.scrollDisp
) {
2429 this.scrollDisp(result
.scrollDisp
);
2430 return this.cancel(ev
, true);
2433 if (isThirdLevelShift(this, ev
)) {
2437 if (result
.cancel
) {
2438 // The event is canceled at the end already, is this necessary?
2439 this.cancel(ev
, true);
2446 this.emit('keydown', ev
);
2447 this.emit('key', result
.key
, ev
);
2449 this.handler(result
.key
);
2451 return this.cancel(ev
, true);
2455 * Returns an object that determines how a KeyboardEvent should be handled. The key of the
2456 * returned value is the new key code to pass to the PTY.
2458 * Reference: http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
2459 * @param {KeyboardEvent} ev The keyboard event to be translated to key escape sequence.
2461 Terminal
.prototype.evaluateKeyEscapeSequence = function(ev
) {
2463 // Whether to cancel event propogation (NOTE: this may not be needed since the event is
2464 // canceled at the end of keyDown
2466 // The new key even to emit
2468 // The number of characters to scroll, if this is defined it will cancel the event
2469 scrollDisp
: undefined
2471 var modifiers
= ev
.shiftKey
<< 0 | ev
.altKey
<< 1 | ev
.ctrlKey
<< 2 | ev
.metaKey
<< 3;
2472 switch (ev
.keyCode
) {
2476 result
.key
= '\x08'; // ^H
2479 result
.key
= '\x7f'; // ^?
2484 result
.key
= '\x1b[Z';
2488 result
.cancel
= true;
2493 result
.cancel
= true;
2497 result
.key
= '\x1b';
2498 result
.cancel
= true;
2503 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'D';
2504 // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards
2505 // http://unix.stackexchange.com/a/108106
2506 if (result
.key
== '\x1b[1;3D') {
2507 result
.key
= '\x1b[1;5D';
2509 } else if (this.applicationCursor
) {
2510 result
.key
= '\x1bOD';
2512 result
.key
= '\x1b[D';
2518 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'C';
2519 // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward
2520 // http://unix.stackexchange.com/a/108106
2521 if (result
.key
== '\x1b[1;3C') {
2522 result
.key
= '\x1b[1;5C';
2524 } else if (this.applicationCursor
) {
2525 result
.key
= '\x1bOC';
2527 result
.key
= '\x1b[C';
2533 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'A';
2534 // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow
2535 // http://unix.stackexchange.com/a/108106
2536 if (result
.key
== '\x1b[1;3A') {
2537 result
.key
= '\x1b[1;5A';
2539 } else if (this.applicationCursor
) {
2540 result
.key
= '\x1bOA';
2542 result
.key
= '\x1b[A';
2548 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'B';
2549 // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow
2550 // http://unix.stackexchange.com/a/108106
2551 if (result
.key
== '\x1b[1;3B') {
2552 result
.key
= '\x1b[1;5B';
2554 } else if (this.applicationCursor
) {
2555 result
.key
= '\x1bOB';
2557 result
.key
= '\x1b[B';
2562 if (!ev
.shiftKey
&& !ev
.ctrlKey
) {
2563 // <Ctrl> or <Shift> + <Insert> are used to
2564 // copy-paste on some systems.
2565 result
.key
= '\x1b[2~';
2571 result
.key
= '\x1b[3;' + (modifiers
+ 1) + '~';
2573 result
.key
= '\x1b[3~';
2579 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'H';
2580 else if (this.applicationCursor
)
2581 result
.key
= '\x1bOH';
2583 result
.key
= '\x1b[H';
2588 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'F';
2589 else if (this.applicationCursor
)
2590 result
.key
= '\x1bOF';
2592 result
.key
= '\x1b[F';
2597 result
.scrollDisp
= -(this.rows
- 1);
2599 result
.key
= '\x1b[5~';
2605 result
.scrollDisp
= this.rows
- 1;
2607 result
.key
= '\x1b[6~';
2613 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'P';
2615 result
.key
= '\x1bOP';
2620 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'Q';
2622 result
.key
= '\x1bOQ';
2627 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'R';
2629 result
.key
= '\x1bOR';
2634 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'S';
2636 result
.key
= '\x1bOS';
2641 result
.key
= '\x1b[15;' + (modifiers
+ 1) + '~';
2643 result
.key
= '\x1b[15~';
2648 result
.key
= '\x1b[17;' + (modifiers
+ 1) + '~';
2650 result
.key
= '\x1b[17~';
2655 result
.key
= '\x1b[18;' + (modifiers
+ 1) + '~';
2657 result
.key
= '\x1b[18~';
2662 result
.key
= '\x1b[19;' + (modifiers
+ 1) + '~';
2664 result
.key
= '\x1b[19~';
2669 result
.key
= '\x1b[20;' + (modifiers
+ 1) + '~';
2671 result
.key
= '\x1b[20~';
2676 result
.key
= '\x1b[21;' + (modifiers
+ 1) + '~';
2678 result
.key
= '\x1b[21~';
2683 result
.key
= '\x1b[23;' + (modifiers
+ 1) + '~';
2685 result
.key
= '\x1b[23~';
2690 result
.key
= '\x1b[24;' + (modifiers
+ 1) + '~';
2692 result
.key
= '\x1b[24~';
2697 if (ev
.ctrlKey
&& !ev
.shiftKey
&& !ev
.altKey
&& !ev
.metaKey
) {
2698 if (ev
.keyCode
>= 65 && ev
.keyCode
<= 90) {
2699 result
.key
= String
.fromCharCode(ev
.keyCode
- 64);
2700 } else if (ev
.keyCode
=== 32) {
2702 result
.key
= String
.fromCharCode(0);
2703 } else if (ev
.keyCode
>= 51 && ev
.keyCode
<= 55) {
2704 // escape, file sep, group sep, record sep, unit sep
2705 result
.key
= String
.fromCharCode(ev
.keyCode
- 51 + 27);
2706 } else if (ev
.keyCode
=== 56) {
2708 result
.key
= String
.fromCharCode(127);
2709 } else if (ev
.keyCode
=== 219) {
2711 result
.key
= String
.fromCharCode(27);
2712 } else if (ev
.keyCode
=== 221) {
2714 result
.key
= String
.fromCharCode(29);
2716 } else if (!this.isMac
&& ev
.altKey
&& !ev
.ctrlKey
&& !ev
.metaKey
) {
2717 // On Mac this is a third level shift. Use <Esc> instead.
2718 if (ev
.keyCode
>= 65 && ev
.keyCode
<= 90) {
2719 result
.key
= '\x1b' + String
.fromCharCode(ev
.keyCode
+ 32);
2720 } else if (ev
.keyCode
=== 192) {
2721 result
.key
= '\x1b`';
2722 } else if (ev
.keyCode
>= 48 && ev
.keyCode
<= 57) {
2723 result
.key
= '\x1b' + (ev
.keyCode
- 48);
2732 * Set the G level of the terminal
2735 Terminal
.prototype.setgLevel = function(g
) {
2737 this.charset
= this.charsets
[g
];
2741 * Set the charset for the given G level of the terminal
2745 Terminal
.prototype.setgCharset = function(g
, charset
) {
2746 this.charsets
[g
] = charset
;
2747 if (this.glevel
=== g
) {
2748 this.charset
= charset
;
2753 * Handle a keypress event.
2755 * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent
2756 * @param {KeyboardEvent} ev The keypress event to be handled.
2758 Terminal
.prototype.keyPress = function(ev
) {
2765 } else if (ev
.which
== null) {
2767 } else if (ev
.which
!== 0 && ev
.charCode
!== 0) {
2774 (ev
.altKey
|| ev
.ctrlKey
|| ev
.metaKey
) && !isThirdLevelShift(this, ev
)
2779 key
= String
.fromCharCode(key
);
2781 this.emit('keypress', key
, ev
);
2782 this.emit('key', key
, ev
);
2790 * Send data for handling to the terminal
2791 * @param {string} data
2793 Terminal
.prototype.send = function(data
) {
2797 setTimeout(function() {
2798 self
.handler(self
.queue
);
2808 * Note: We could do sweet things with webaudio here
2810 Terminal
.prototype.bell = function() {
2811 if (!this.visualBell
) return;
2813 this.element
.style
.borderColor
= 'white';
2814 setTimeout(function() {
2815 self
.element
.style
.borderColor
= '';
2817 if (this.popOnBell
) this.focus();
2821 * Log the current state to the console.
2823 Terminal
.prototype.log = function() {
2824 if (!this.debug
) return;
2825 if (!this.context
.console
|| !this.context
.console
.log
) return;
2826 var args
= Array
.prototype.slice
.call(arguments
);
2827 this.context
.console
.log
.apply(this.context
.console
, args
);
2831 * Log the current state as error to the console.
2833 Terminal
.prototype.error = function() {
2834 if (!this.debug
) return;
2835 if (!this.context
.console
|| !this.context
.console
.error
) return;
2836 var args
= Array
.prototype.slice
.call(arguments
);
2837 this.context
.console
.error
.apply(this.context
.console
, args
);
2841 * Resizes the terminal.
2843 * @param {number} x The number of columns to resize to.
2844 * @param {number} y The number of rows to resize to.
2846 Terminal
.prototype.resize = function(x
, y
) {
2854 if (x
=== this.cols
&& y
=== this.rows
) {
2864 ch
= [this.defAttr
, ' ', 1]; // does xterm use the default attr?
2865 i
= this.lines
.length
;
2867 while (this.lines
[i
].length
< x
) {
2868 this.lines
[i
].push(ch
);
2872 i
= this.lines
.length
;
2874 while (this.lines
[i
].length
> x
) {
2875 this.lines
[i
].pop();
2888 // y is rows, not this.y
2889 if (this.lines
.length
< y
+ this.ybase
) {
2890 if (this.ybase
> 0 && this.lines
.length
<= this.ybase
+ this.y
+ addToY
+ 1) {
2891 // There is room above the buffer and there are no empty elements below the line,
2895 if (this.ydisp
> 0) {
2896 // Viewport is at the top of the buffer, must increase downwards
2900 // Add a blank line if there is no buffer left at the top to scroll to, or if there
2901 // are blank lines after the cursor
2902 this.lines
.push(this.blankLine());
2905 if (this.children
.length
< y
) {
2911 if (this.lines
.length
> y
+ this.ybase
) {
2912 if (this.lines
.length
> this.ybase
+ this.y
+ 1) {
2913 // The line is a blank line below the cursor, remove it
2916 // The line is the cursor, scroll down
2921 if (this.children
.length
> y
) {
2922 el
= this.children
.shift();
2924 el
.parentNode
.removeChild(el
);
2930 // Make sure that the cursor stays on screen
2943 this.scrollBottom
= y
- 1;
2945 this.refresh(0, this.rows
- 1);
2949 this.geometry
= [this.cols
, this.rows
];
2950 this.emit('resize', {terminal
: this, cols
: x
, rows
: y
});
2954 * Updates the range of rows to refresh
2955 * @param {number} y The number of rows to refresh next.
2957 Terminal
.prototype.updateRange = function(y
) {
2958 if (y
< this.refreshStart
) this.refreshStart
= y
;
2959 if (y
> this.refreshEnd
) this.refreshEnd
= y
;
2960 // if (y > this.refreshEnd) {
2961 // this.refreshEnd = y;
2962 // if (y > this.rows - 1) {
2963 // this.refreshEnd = this.rows - 1;
2969 * Set the range of refreshing to the maximyum value
2971 Terminal
.prototype.maxRange = function() {
2972 this.refreshStart
= 0;
2973 this.refreshEnd
= this.rows
- 1;
2979 * Setup the tab stops.
2982 Terminal
.prototype.setupStops = function(i
) {
2984 if (!this.tabs
[i
]) {
2985 i
= this.prevStop(i
);
2992 for (; i
< this.cols
; i
+= 8) {
2993 this.tabs
[i
] = true;
2999 * Move the cursor to the previous tab stop from the given position (default is current).
3000 * @param {number} x The position to move the cursor to the previous tab stop.
3002 Terminal
.prototype.prevStop = function(x
) {
3003 if (x
== null) x
= this.x
;
3004 while (!this.tabs
[--x
] && x
> 0);
3005 return x
>= this.cols
3012 * Move the cursor one tab stop forward from the given position (default is current).
3013 * @param {number} x The position to move the cursor one tab stop forward.
3015 Terminal
.prototype.nextStop = function(x
) {
3016 if (x
== null) x
= this.x
;
3017 while (!this.tabs
[++x
] && x
< this.cols
);
3018 return x
>= this.cols
3025 * Erase in the identified line everything from "x" to the end of the line (right).
3026 * @param {number} x The column from which to start erasing to the end of the line.
3027 * @param {number} y The line in which to operate.
3029 Terminal
.prototype.eraseRight = function(x
, y
) {
3030 var line
= this.lines
[this.ybase
+ y
]
3031 , ch
= [this.eraseAttr(), ' ', 1]; // xterm
3034 for (; x
< this.cols
; x
++) {
3038 this.updateRange(y
);
3044 * Erase in the identified line everything from "x" to the start of the line (left).
3045 * @param {number} x The column from which to start erasing to the start of the line.
3046 * @param {number} y The line in which to operate.
3048 Terminal
.prototype.eraseLeft = function(x
, y
) {
3049 var line
= this.lines
[this.ybase
+ y
]
3050 , ch
= [this.eraseAttr(), ' ', 1]; // xterm
3053 while (x
--) line
[x
] = ch
;
3055 this.updateRange(y
);
3059 * Clears the entire buffer, making the prompt line the new first line.
3061 Terminal
.prototype.clear = function() {
3062 if (this.ybase
=== 0 && this.y
=== 0) {
3063 // Don't clear if it's already clear
3066 this.lines
= [this.lines
[this.ybase
+ this.y
]];
3070 for (var i
= 1; i
< this.rows
; i
++) {
3071 this.lines
.push(this.blankLine());
3073 this.refresh(0, this.rows
- 1);
3074 this.emit('scroll', this.ydisp
);
3078 * Erase all content in the given line
3079 * @param {number} y The line to erase all of its contents.
3081 Terminal
.prototype.eraseLine = function(y
) {
3082 this.eraseRight(0, y
);
3087 * Return the data array of a blank line/
3088 * @param {number} cur First bunch of data for each "blank" character.
3090 Terminal
.prototype.blankLine = function(cur
) {
3095 var ch
= [attr
, ' ', 1] // width defaults to 1 halfwidth character
3099 for (; i
< this.cols
; i
++) {
3108 * If cur return the back color xterm feature attribute. Else return defAttr.
3109 * @param {object} cur
3111 Terminal
.prototype.ch = function(cur
) {
3113 ? [this.eraseAttr(), ' ', 1]
3114 : [this.defAttr
, ' ', 1];
3119 * Evaluate if the current erminal is the given argument.
3120 * @param {object} term The terminal to evaluate
3122 Terminal
.prototype.is = function(term
) {
3123 var name
= this.termName
;
3124 return (name
+ '').indexOf(term
) === 0;
3129 * Emit the 'data' event and populate the given data.
3130 * @param {string} data The data to populate in the event.
3132 Terminal
.prototype.handler = function(data
) {
3133 this.emit('data', data
);
3138 * Emit the 'title' event and populate the given title.
3139 * @param {string} title The title to populate in the event.
3141 Terminal
.prototype.handleTitle = function(title
) {
3142 this.emit('title', title
);
3151 * ESC D Index (IND is 0x84).
3153 Terminal
.prototype.index = function() {
3155 if (this.y
> this.scrollBottom
) {
3159 this.state
= normal
;
3164 * ESC M Reverse Index (RI is 0x8d).
3166 Terminal
.prototype.reverseIndex = function() {
3169 if (this.y
< this.scrollTop
) {
3171 // possibly move the code below to term.reverseScroll();
3172 // test: echo -ne '\e[1;1H\e[44m\eM\e[0m'
3173 // blankLine(true) is xterm/linux behavior
3174 this.lines
.splice(this.y
+ this.ybase
, 0, this.blankLine(true));
3175 j
= this.rows
- 1 - this.scrollBottom
;
3176 this.lines
.splice(this.rows
- 1 + this.ybase
- j
+ 1, 1);
3178 this.updateRange(this.scrollTop
);
3179 this.updateRange(this.scrollBottom
);
3181 this.state
= normal
;
3186 * ESC c Full Reset (RIS).
3188 Terminal
.prototype.reset = function() {
3189 this.options
.rows
= this.rows
;
3190 this.options
.cols
= this.cols
;
3191 var customKeydownHandler
= this.customKeydownHandler
;
3192 Terminal
.call(this, this.options
);
3193 this.customKeydownHandler
= customKeydownHandler
;
3194 this.refresh(0, this.rows
- 1);
3195 this.viewport
.syncScrollArea();
3200 * ESC H Tab Set (HTS is 0x88).
3202 Terminal
.prototype.tabSet = function() {
3203 this.tabs
[this.x
] = true;
3204 this.state
= normal
;
3214 * Cursor Up Ps Times (default = 1) (CUU).
3216 Terminal
.prototype.cursorUp = function(params
) {
3217 var param
= params
[0];
3218 if (param
< 1) param
= 1;
3220 if (this.y
< 0) this.y
= 0;
3226 * Cursor Down Ps Times (default = 1) (CUD).
3228 Terminal
.prototype.cursorDown = function(params
) {
3229 var param
= params
[0];
3230 if (param
< 1) param
= 1;
3232 if (this.y
>= this.rows
) {
3233 this.y
= this.rows
- 1;
3240 * Cursor Forward Ps Times (default = 1) (CUF).
3242 Terminal
.prototype.cursorForward = function(params
) {
3243 var param
= params
[0];
3244 if (param
< 1) param
= 1;
3246 if (this.x
>= this.cols
) {
3247 this.x
= this.cols
- 1;
3254 * Cursor Backward Ps Times (default = 1) (CUB).
3256 Terminal
.prototype.cursorBackward = function(params
) {
3257 var param
= params
[0];
3258 if (param
< 1) param
= 1;
3260 if (this.x
< 0) this.x
= 0;
3266 * Cursor Position [row;column] (default = [1,1]) (CUP).
3268 Terminal
.prototype.cursorPos = function(params
) {
3271 row
= params
[0] - 1;
3273 if (params
.length
>= 2) {
3274 col
= params
[1] - 1;
3281 } else if (row
>= this.rows
) {
3282 row
= this.rows
- 1;
3287 } else if (col
>= this.cols
) {
3288 col
= this.cols
- 1;
3297 * CSI Ps J Erase in Display (ED).
3298 * Ps = 0 -> Erase Below (default).
3299 * Ps = 1 -> Erase Above.
3300 * Ps = 2 -> Erase All.
3301 * Ps = 3 -> Erase Saved Lines (xterm).
3303 * Erase in Display (DECSED).
3304 * Ps = 0 -> Selective Erase Below (default).
3305 * Ps = 1 -> Selective Erase Above.
3306 * Ps = 2 -> Selective Erase All.
3308 Terminal
.prototype.eraseInDisplay = function(params
) {
3310 switch (params
[0]) {
3312 this.eraseRight(this.x
, this.y
);
3314 for (; j
< this.rows
; j
++) {
3319 this.eraseLeft(this.x
, this.y
);
3327 while (j
--) this.eraseLine(j
);
3337 * CSI Ps K Erase in Line (EL).
3338 * Ps = 0 -> Erase to Right (default).
3339 * Ps = 1 -> Erase to Left.
3340 * Ps = 2 -> Erase All.
3342 * Erase in Line (DECSEL).
3343 * Ps = 0 -> Selective Erase to Right (default).
3344 * Ps = 1 -> Selective Erase to Left.
3345 * Ps = 2 -> Selective Erase All.
3347 Terminal
.prototype.eraseInLine = function(params
) {
3348 switch (params
[0]) {
3350 this.eraseRight(this.x
, this.y
);
3353 this.eraseLeft(this.x
, this.y
);
3356 this.eraseLine(this.y
);
3363 * CSI Pm m Character Attributes (SGR).
3364 * Ps = 0 -> Normal (default).
3366 * Ps = 4 -> Underlined.
3367 * Ps = 5 -> Blink (appears as Bold).
3368 * Ps = 7 -> Inverse.
3369 * Ps = 8 -> Invisible, i.e., hidden (VT300).
3370 * Ps = 2 2 -> Normal (neither bold nor faint).
3371 * Ps = 2 4 -> Not underlined.
3372 * Ps = 2 5 -> Steady (not blinking).
3373 * Ps = 2 7 -> Positive (not inverse).
3374 * Ps = 2 8 -> Visible, i.e., not hidden (VT300).
3375 * Ps = 3 0 -> Set foreground color to Black.
3376 * Ps = 3 1 -> Set foreground color to Red.
3377 * Ps = 3 2 -> Set foreground color to Green.
3378 * Ps = 3 3 -> Set foreground color to Yellow.
3379 * Ps = 3 4 -> Set foreground color to Blue.
3380 * Ps = 3 5 -> Set foreground color to Magenta.
3381 * Ps = 3 6 -> Set foreground color to Cyan.
3382 * Ps = 3 7 -> Set foreground color to White.
3383 * Ps = 3 9 -> Set foreground color to default (original).
3384 * Ps = 4 0 -> Set background color to Black.
3385 * Ps = 4 1 -> Set background color to Red.
3386 * Ps = 4 2 -> Set background color to Green.
3387 * Ps = 4 3 -> Set background color to Yellow.
3388 * Ps = 4 4 -> Set background color to Blue.
3389 * Ps = 4 5 -> Set background color to Magenta.
3390 * Ps = 4 6 -> Set background color to Cyan.
3391 * Ps = 4 7 -> Set background color to White.
3392 * Ps = 4 9 -> Set background color to default (original).
3394 * If 16-color support is compiled, the following apply. Assume
3395 * that xterm's resources are set so that the ISO color codes are
3396 * the first 8 of a set of 16. Then the aixterm colors are the
3397 * bright versions of the ISO colors:
3398 * Ps = 9 0 -> Set foreground color to Black.
3399 * Ps = 9 1 -> Set foreground color to Red.
3400 * Ps = 9 2 -> Set foreground color to Green.
3401 * Ps = 9 3 -> Set foreground color to Yellow.
3402 * Ps = 9 4 -> Set foreground color to Blue.
3403 * Ps = 9 5 -> Set foreground color to Magenta.
3404 * Ps = 9 6 -> Set foreground color to Cyan.
3405 * Ps = 9 7 -> Set foreground color to White.
3406 * Ps = 1 0 0 -> Set background color to Black.
3407 * Ps = 1 0 1 -> Set background color to Red.
3408 * Ps = 1 0 2 -> Set background color to Green.
3409 * Ps = 1 0 3 -> Set background color to Yellow.
3410 * Ps = 1 0 4 -> Set background color to Blue.
3411 * Ps = 1 0 5 -> Set background color to Magenta.
3412 * Ps = 1 0 6 -> Set background color to Cyan.
3413 * Ps = 1 0 7 -> Set background color to White.
3415 * If xterm is compiled with the 16-color support disabled, it
3416 * supports the following, from rxvt:
3417 * Ps = 1 0 0 -> Set foreground and background color to
3420 * If 88- or 256-color support is compiled, the following apply.
3421 * Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second
3423 * Ps = 4 8 ; 5 ; Ps -> Set background color to the second
3426 Terminal
.prototype.charAttributes = function(params
) {
3427 // Optimize a single SGR0.
3428 if (params
.length
=== 1 && params
[0] === 0) {
3429 this.curAttr
= this.defAttr
;
3433 var l
= params
.length
3435 , flags
= this.curAttr
>> 18
3436 , fg
= (this.curAttr
>> 9) & 0x1ff
3437 , bg
= this.curAttr
& 0x1ff
3440 for (; i
< l
; i
++) {
3442 if (p
>= 30 && p
<= 37) {
3445 } else if (p
>= 40 && p
<= 47) {
3448 } else if (p
>= 90 && p
<= 97) {
3452 } else if (p
>= 100 && p
<= 107) {
3456 } else if (p
=== 0) {
3458 flags
= this.defAttr
>> 18;
3459 fg
= (this.defAttr
>> 9) & 0x1ff;
3460 bg
= this.defAttr
& 0x1ff;
3464 } else if (p
=== 1) {
3467 } else if (p
=== 4) {
3470 } else if (p
=== 5) {
3473 } else if (p
=== 7) {
3474 // inverse and positive
3475 // test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m'
3477 } else if (p
=== 8) {
3480 } else if (p
=== 22) {
3483 } else if (p
=== 24) {
3486 } else if (p
=== 25) {
3489 } else if (p
=== 27) {
3492 } else if (p
=== 28) {
3495 } else if (p
=== 39) {
3497 fg
= (this.defAttr
>> 9) & 0x1ff;
3498 } else if (p
=== 49) {
3500 bg
= this.defAttr
& 0x1ff;
3501 } else if (p
=== 38) {
3503 if (params
[i
+ 1] === 2) {
3507 params
[i
+ 1] & 0xff,
3508 params
[i
+ 2] & 0xff);
3509 if (fg
=== -1) fg
= 0x1ff;
3511 } else if (params
[i
+ 1] === 5) {
3513 p
= params
[i
] & 0xff;
3516 } else if (p
=== 48) {
3518 if (params
[i
+ 1] === 2) {
3522 params
[i
+ 1] & 0xff,
3523 params
[i
+ 2] & 0xff);
3524 if (bg
=== -1) bg
= 0x1ff;
3526 } else if (params
[i
+ 1] === 5) {
3528 p
= params
[i
] & 0xff;
3531 } else if (p
=== 100) {
3533 fg
= (this.defAttr
>> 9) & 0x1ff;
3534 bg
= this.defAttr
& 0x1ff;
3536 this.error('Unknown SGR attribute: %d.', p
);
3540 this.curAttr
= (flags
<< 18) | (fg
<< 9) | bg
;
3545 * CSI Ps n Device Status Report (DSR).
3546 * Ps = 5 -> Status Report. Result (``OK'') is
3548 * Ps = 6 -> Report Cursor Position (CPR) [row;column].
3552 * Device Status Report (DSR, DEC-specific).
3553 * Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI
3554 * ? r ; c R (assumes page is zero).
3555 * Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready).
3556 * or CSI ? 1 1 n (not ready).
3557 * Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked)
3558 * or CSI ? 2 1 n (locked).
3559 * Ps = 2 6 -> Report Keyboard status as
3560 * CSI ? 2 7 ; 1 ; 0 ; 0 n (North American).
3561 * The last two parameters apply to VT400 & up, and denote key-
3562 * board ready and LK01 respectively.
3563 * Ps = 5 3 -> Report Locator status as
3564 * CSI ? 5 3 n Locator available, if compiled-in, or
3565 * CSI ? 5 0 n No Locator, if not.
3567 Terminal
.prototype.deviceStatus = function(params
) {
3569 switch (params
[0]) {
3572 this.send('\x1b[0n');
3583 } else if (this.prefix
=== '?') {
3584 // modern xterm doesnt seem to
3585 // respond to any of these except ?6, 6, and 5
3586 switch (params
[0]) {
3597 // this.send('\x1b[?11n');
3600 // dont support user defined keys
3601 // this.send('\x1b[?21n');
3604 // north american keyboard
3605 // this.send('\x1b[?27;1;0;0n');
3608 // no dec locator/mouse
3609 // this.send('\x1b[?50n');
3622 * Insert Ps (Blank) Character(s) (default = 1) (ICH).
3624 Terminal
.prototype.insertChars = function(params
) {
3625 var param
, row
, j
, ch
;
3628 if (param
< 1) param
= 1;
3630 row
= this.y
+ this.ybase
;
3632 ch
= [this.eraseAttr(), ' ', 1]; // xterm
3634 while (param
-- && j
< this.cols
) {
3635 this.lines
[row
].splice(j
++, 0, ch
);
3636 this.lines
[row
].pop();
3642 * Cursor Next Line Ps Times (default = 1) (CNL).
3643 * same as CSI Ps B ?
3645 Terminal
.prototype.cursorNextLine = function(params
) {
3646 var param
= params
[0];
3647 if (param
< 1) param
= 1;
3649 if (this.y
>= this.rows
) {
3650 this.y
= this.rows
- 1;
3658 * Cursor Preceding Line Ps Times (default = 1) (CNL).
3661 Terminal
.prototype.cursorPrecedingLine = function(params
) {
3662 var param
= params
[0];
3663 if (param
< 1) param
= 1;
3665 if (this.y
< 0) this.y
= 0;
3672 * Cursor Character Absolute [column] (default = [row,1]) (CHA).
3674 Terminal
.prototype.cursorCharAbsolute = function(params
) {
3675 var param
= params
[0];
3676 if (param
< 1) param
= 1;
3683 * Insert Ps Line(s) (default = 1) (IL).
3685 Terminal
.prototype.insertLines = function(params
) {
3689 if (param
< 1) param
= 1;
3690 row
= this.y
+ this.ybase
;
3692 j
= this.rows
- 1 - this.scrollBottom
;
3693 j
= this.rows
- 1 + this.ybase
- j
+ 1;
3696 // test: echo -e '\e[44m\e[1L\e[0m'
3697 // blankLine(true) - xterm/linux behavior
3698 this.lines
.splice(row
, 0, this.blankLine(true));
3699 this.lines
.splice(j
, 1);
3703 this.updateRange(this.y
);
3704 this.updateRange(this.scrollBottom
);
3710 * Delete Ps Line(s) (default = 1) (DL).
3712 Terminal
.prototype.deleteLines = function(params
) {
3716 if (param
< 1) param
= 1;
3717 row
= this.y
+ this.ybase
;
3719 j
= this.rows
- 1 - this.scrollBottom
;
3720 j
= this.rows
- 1 + this.ybase
- j
;
3723 // test: echo -e '\e[44m\e[1M\e[0m'
3724 // blankLine(true) - xterm/linux behavior
3725 this.lines
.splice(j
+ 1, 0, this.blankLine(true));
3726 this.lines
.splice(row
, 1);
3730 this.updateRange(this.y
);
3731 this.updateRange(this.scrollBottom
);
3737 * Delete Ps Character(s) (default = 1) (DCH).
3739 Terminal
.prototype.deleteChars = function(params
) {
3743 if (param
< 1) param
= 1;
3745 row
= this.y
+ this.ybase
;
3746 ch
= [this.eraseAttr(), ' ', 1]; // xterm
3749 this.lines
[row
].splice(this.x
, 1);
3750 this.lines
[row
].push(ch
);
3756 * Erase Ps Character(s) (default = 1) (ECH).
3758 Terminal
.prototype.eraseChars = function(params
) {
3759 var param
, row
, j
, ch
;
3762 if (param
< 1) param
= 1;
3764 row
= this.y
+ this.ybase
;
3766 ch
= [this.eraseAttr(), ' ', 1]; // xterm
3768 while (param
-- && j
< this.cols
) {
3769 this.lines
[row
][j
++] = ch
;
3774 * CSI Pm ` Character Position Absolute
3775 * [column] (default = [row,1]) (HPA).
3777 Terminal
.prototype.charPosAbsolute = function(params
) {
3778 var param
= params
[0];
3779 if (param
< 1) param
= 1;
3781 if (this.x
>= this.cols
) {
3782 this.x
= this.cols
- 1;
3789 * Horizontal Position Relative
3792 Terminal
.prototype.HPositionRelative = function(params
) {
3793 var param
= params
[0];
3794 if (param
< 1) param
= 1;
3796 if (this.x
>= this.cols
) {
3797 this.x
= this.cols
- 1;
3803 * CSI Ps c Send Device Attributes (Primary DA).
3804 * Ps = 0 or omitted -> request attributes from terminal. The
3805 * response depends on the decTerminalID resource setting.
3806 * -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'')
3807 * -> CSI ? 1 ; 0 c (``VT101 with No Options'')
3808 * -> CSI ? 6 c (``VT102'')
3809 * -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'')
3810 * The VT100-style response parameters do not mean anything by
3811 * themselves. VT220 parameters do, telling the host what fea-
3812 * tures the terminal supports:
3813 * Ps = 1 -> 132-columns.
3814 * Ps = 2 -> Printer.
3815 * Ps = 6 -> Selective erase.
3816 * Ps = 8 -> User-defined keys.
3817 * Ps = 9 -> National replacement character sets.
3818 * Ps = 1 5 -> Technical characters.
3819 * Ps = 2 2 -> ANSI color, e.g., VT525.
3820 * Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode).
3822 * Send Device Attributes (Secondary DA).
3823 * Ps = 0 or omitted -> request the terminal's identification
3824 * code. The response depends on the decTerminalID resource set-
3825 * ting. It should apply only to VT220 and up, but xterm extends
3827 * -> CSI > Pp ; Pv ; Pc c
3828 * where Pp denotes the terminal type
3829 * Pp = 0 -> ``VT100''.
3830 * Pp = 1 -> ``VT220''.
3831 * and Pv is the firmware version (for xterm, this was originally
3832 * the XFree86 patch number, starting with 95). In a DEC termi-
3833 * nal, Pc indicates the ROM cartridge registration number and is
3836 * xterm/charproc.c - line 2012, for more information.
3837 * vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)
3839 Terminal
.prototype.sendDeviceAttributes = function(params
) {
3840 if (params
[0] > 0) return;
3843 if (this.is('xterm')
3844 || this.is('rxvt-unicode')
3845 || this.is('screen')) {
3846 this.send('\x1b[?1;2c');
3847 } else if (this.is('linux')) {
3848 this.send('\x1b[?6c');
3850 } else if (this.prefix
=== '>') {
3852 // seem to spit this
3853 // out around ~370 times (?).
3854 if (this.is('xterm')) {
3855 this.send('\x1b[>0;276;0c');
3856 } else if (this.is('rxvt-unicode')) {
3857 this.send('\x1b[>85;95;0c');
3858 } else if (this.is('linux')) {
3859 // not supported by linux console.
3860 // linux console echoes parameters.
3861 this.send(params
[0] + 'c');
3862 } else if (this.is('screen')) {
3863 this.send('\x1b[>83;40003;0c');
3871 * Line Position Absolute [row] (default = [1,column]) (VPA).
3873 Terminal
.prototype.linePosAbsolute = function(params
) {
3874 var param
= params
[0];
3875 if (param
< 1) param
= 1;
3877 if (this.y
>= this.rows
) {
3878 this.y
= this.rows
- 1;
3884 * 145 65 e * VPR - Vertical Position Relative
3887 Terminal
.prototype.VPositionRelative = function(params
) {
3888 var param
= params
[0];
3889 if (param
< 1) param
= 1;
3891 if (this.y
>= this.rows
) {
3892 this.y
= this.rows
- 1;
3899 * Horizontal and Vertical Position [row;column] (default =
3902 Terminal
.prototype.HVPosition = function(params
) {
3903 if (params
[0] < 1) params
[0] = 1;
3904 if (params
[1] < 1) params
[1] = 1;
3906 this.y
= params
[0] - 1;
3907 if (this.y
>= this.rows
) {
3908 this.y
= this.rows
- 1;
3911 this.x
= params
[1] - 1;
3912 if (this.x
>= this.cols
) {
3913 this.x
= this.cols
- 1;
3919 * CSI Pm h Set Mode (SM).
3920 * Ps = 2 -> Keyboard Action Mode (AM).
3921 * Ps = 4 -> Insert Mode (IRM).
3922 * Ps = 1 2 -> Send/receive (SRM).
3923 * Ps = 2 0 -> Automatic Newline (LNM).
3925 * DEC Private Mode Set (DECSET).
3926 * Ps = 1 -> Application Cursor Keys (DECCKM).
3927 * Ps = 2 -> Designate USASCII for character sets G0-G3
3928 * (DECANM), and set VT100 mode.
3929 * Ps = 3 -> 132 Column Mode (DECCOLM).
3930 * Ps = 4 -> Smooth (Slow) Scroll (DECSCLM).
3931 * Ps = 5 -> Reverse Video (DECSCNM).
3932 * Ps = 6 -> Origin Mode (DECOM).
3933 * Ps = 7 -> Wraparound Mode (DECAWM).
3934 * Ps = 8 -> Auto-repeat Keys (DECARM).
3935 * Ps = 9 -> Send Mouse X & Y on button press. See the sec-
3936 * tion Mouse Tracking.
3937 * Ps = 1 0 -> Show toolbar (rxvt).
3938 * Ps = 1 2 -> Start Blinking Cursor (att610).
3939 * Ps = 1 8 -> Print form feed (DECPFF).
3940 * Ps = 1 9 -> Set print extent to full screen (DECPEX).
3941 * Ps = 2 5 -> Show Cursor (DECTCEM).
3942 * Ps = 3 0 -> Show scrollbar (rxvt).
3943 * Ps = 3 5 -> Enable font-shifting functions (rxvt).
3944 * Ps = 3 8 -> Enter Tektronix Mode (DECTEK).
3945 * Ps = 4 0 -> Allow 80 -> 132 Mode.
3946 * Ps = 4 1 -> more(1) fix (see curses resource).
3947 * Ps = 4 2 -> Enable Nation Replacement Character sets (DECN-
3949 * Ps = 4 4 -> Turn On Margin Bell.
3950 * Ps = 4 5 -> Reverse-wraparound Mode.
3951 * Ps = 4 6 -> Start Logging. This is normally disabled by a
3952 * compile-time option.
3953 * Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis-
3954 * abled by the titeInhibit resource).
3955 * Ps = 6 6 -> Application keypad (DECNKM).
3956 * Ps = 6 7 -> Backarrow key sends backspace (DECBKM).
3957 * Ps = 1 0 0 0 -> Send Mouse X & Y on button press and
3958 * release. See the section Mouse Tracking.
3959 * Ps = 1 0 0 1 -> Use Hilite Mouse Tracking.
3960 * Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking.
3961 * Ps = 1 0 0 3 -> Use All Motion Mouse Tracking.
3962 * Ps = 1 0 0 4 -> Send FocusIn/FocusOut events.
3963 * Ps = 1 0 0 5 -> Enable Extended Mouse Mode.
3964 * Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt).
3965 * Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt).
3966 * Ps = 1 0 3 4 -> Interpret "meta" key, sets eighth bit.
3967 * (enables the eightBitInput resource).
3968 * Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num-
3969 * Lock keys. (This enables the numLock resource).
3970 * Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This
3971 * enables the metaSendsEscape resource).
3972 * Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete
3974 * Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This
3975 * enables the altSendsEscape resource).
3976 * Ps = 1 0 4 0 -> Keep selection even if not highlighted.
3977 * (This enables the keepSelection resource).
3978 * Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables
3979 * the selectToClipboard resource).
3980 * Ps = 1 0 4 2 -> Enable Urgency window manager hint when
3981 * Control-G is received. (This enables the bellIsUrgent
3983 * Ps = 1 0 4 3 -> Enable raising of the window when Control-G
3984 * is received. (enables the popOnBell resource).
3985 * Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be
3986 * disabled by the titeInhibit resource).
3987 * Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis-
3988 * abled by the titeInhibit resource).
3989 * Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate
3990 * Screen Buffer, clearing it first. (This may be disabled by
3991 * the titeInhibit resource). This combines the effects of the 1
3992 * 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based
3993 * applications rather than the 4 7 mode.
3994 * Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode.
3995 * Ps = 1 0 5 1 -> Set Sun function-key mode.
3996 * Ps = 1 0 5 2 -> Set HP function-key mode.
3997 * Ps = 1 0 5 3 -> Set SCO function-key mode.
3998 * Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6).
3999 * Ps = 1 0 6 1 -> Set VT220 keyboard emulation.
4000 * Ps = 2 0 0 4 -> Set bracketed paste mode.
4002 * http: *vt100.net/docs/vt220-rm/chapter4.html
4004 Terminal
.prototype.setMode = function(params
) {
4005 if (typeof params
=== 'object') {
4006 var l
= params
.length
4009 for (; i
< l
; i
++) {
4010 this.setMode(params
[i
]);
4019 this.insertMode
= true;
4022 //this.convertEol = true;
4025 } else if (this.prefix
=== '?') {
4028 this.applicationCursor
= true;
4031 this.setgCharset(0, Terminal
.charsets
.US
);
4032 this.setgCharset(1, Terminal
.charsets
.US
);
4033 this.setgCharset(2, Terminal
.charsets
.US
);
4034 this.setgCharset(3, Terminal
.charsets
.US
);
4035 // set VT100 mode here
4037 case 3: // 132 col mode
4038 this.savedCols
= this.cols
;
4039 this.resize(132, this.rows
);
4042 this.originMode
= true;
4045 this.wraparoundMode
= true;
4048 // this.cursorBlink = true;
4051 this.log('Serial port requested application keypad.');
4052 this.applicationKeypad
= true;
4053 this.viewport
.syncScrollArea();
4055 case 9: // X10 Mouse
4056 // no release, no motion, no wheel, no modifiers.
4057 case 1000: // vt200 mouse
4059 // no modifiers, except control on the wheel.
4060 case 1002: // button event mouse
4061 case 1003: // any event mouse
4062 // any event - sends motion events,
4063 // even if there is no button held down.
4064 this.x10Mouse
= params
=== 9;
4065 this.vt200Mouse
= params
=== 1000;
4066 this.normalMouse
= params
> 1000;
4067 this.mouseEvents
= true;
4068 this.element
.style
.cursor
= 'default';
4069 this.log('Binding to mouse events.');
4071 case 1004: // send focusin/focusout events
4074 this.sendFocus
= true;
4076 case 1005: // utf8 ext mode mouse
4077 this.utfMouse
= true;
4078 // for wide terminals
4079 // simply encodes large values as utf8 characters
4081 case 1006: // sgr ext mode mouse
4082 this.sgrMouse
= true;
4083 // for wide terminals
4084 // does not add 32 to fields
4085 // press: ^[[<b;x;yM
4086 // release: ^[[<b;x;ym
4088 case 1015: // urxvt ext mode mouse
4089 this.urxvtMouse
= true;
4090 // for wide terminals
4091 // numbers for fields
4093 // motion: ^[[b;x;yT
4095 case 25: // show cursor
4096 this.cursorHidden
= false;
4098 case 1049: // alt screen buffer cursor
4099 //this.saveCursor();
4101 case 47: // alt screen buffer
4102 case 1047: // alt screen buffer
4110 scrollTop
: this.scrollTop
,
4111 scrollBottom
: this.scrollBottom
,
4113 // XXX save charset(s) here?
4114 // charset: this.charset,
4115 // glevel: this.glevel,
4116 // charsets: this.charsets
4119 this.normal
= normal
;
4128 * CSI Pm l Reset Mode (RM).
4129 * Ps = 2 -> Keyboard Action Mode (AM).
4130 * Ps = 4 -> Replace Mode (IRM).
4131 * Ps = 1 2 -> Send/receive (SRM).
4132 * Ps = 2 0 -> Normal Linefeed (LNM).
4134 * DEC Private Mode Reset (DECRST).
4135 * Ps = 1 -> Normal Cursor Keys (DECCKM).
4136 * Ps = 2 -> Designate VT52 mode (DECANM).
4137 * Ps = 3 -> 80 Column Mode (DECCOLM).
4138 * Ps = 4 -> Jump (Fast) Scroll (DECSCLM).
4139 * Ps = 5 -> Normal Video (DECSCNM).
4140 * Ps = 6 -> Normal Cursor Mode (DECOM).
4141 * Ps = 7 -> No Wraparound Mode (DECAWM).
4142 * Ps = 8 -> No Auto-repeat Keys (DECARM).
4143 * Ps = 9 -> Don't send Mouse X & Y on button press.
4144 * Ps = 1 0 -> Hide toolbar (rxvt).
4145 * Ps = 1 2 -> Stop Blinking Cursor (att610).
4146 * Ps = 1 8 -> Don't print form feed (DECPFF).
4147 * Ps = 1 9 -> Limit print to scrolling region (DECPEX).
4148 * Ps = 2 5 -> Hide Cursor (DECTCEM).
4149 * Ps = 3 0 -> Don't show scrollbar (rxvt).
4150 * Ps = 3 5 -> Disable font-shifting functions (rxvt).
4151 * Ps = 4 0 -> Disallow 80 -> 132 Mode.
4152 * Ps = 4 1 -> No more(1) fix (see curses resource).
4153 * Ps = 4 2 -> Disable Nation Replacement Character sets (DEC-
4155 * Ps = 4 4 -> Turn Off Margin Bell.
4156 * Ps = 4 5 -> No Reverse-wraparound Mode.
4157 * Ps = 4 6 -> Stop Logging. (This is normally disabled by a
4158 * compile-time option).
4159 * Ps = 4 7 -> Use Normal Screen Buffer.
4160 * Ps = 6 6 -> Numeric keypad (DECNKM).
4161 * Ps = 6 7 -> Backarrow key sends delete (DECBKM).
4162 * Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and
4163 * release. See the section Mouse Tracking.
4164 * Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking.
4165 * Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking.
4166 * Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking.
4167 * Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events.
4168 * Ps = 1 0 0 5 -> Disable Extended Mouse Mode.
4169 * Ps = 1 0 1 0 -> Don't scroll to bottom on tty output
4171 * Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt).
4172 * Ps = 1 0 3 4 -> Don't interpret "meta" key. (This disables
4173 * the eightBitInput resource).
4174 * Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num-
4175 * Lock keys. (This disables the numLock resource).
4176 * Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key.
4177 * (This disables the metaSendsEscape resource).
4178 * Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad
4180 * Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key.
4181 * (This disables the altSendsEscape resource).
4182 * Ps = 1 0 4 0 -> Do not keep selection when not highlighted.
4183 * (This disables the keepSelection resource).
4184 * Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables
4185 * the selectToClipboard resource).
4186 * Ps = 1 0 4 2 -> Disable Urgency window manager hint when
4187 * Control-G is received. (This disables the bellIsUrgent
4189 * Ps = 1 0 4 3 -> Disable raising of the window when Control-
4190 * G is received. (This disables the popOnBell resource).
4191 * Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen
4192 * first if in the Alternate Screen. (This may be disabled by
4193 * the titeInhibit resource).
4194 * Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be
4195 * disabled by the titeInhibit resource).
4196 * Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor
4197 * as in DECRC. (This may be disabled by the titeInhibit
4198 * resource). This combines the effects of the 1 0 4 7 and 1 0
4199 * 4 8 modes. Use this with terminfo-based applications rather
4200 * than the 4 7 mode.
4201 * Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode.
4202 * Ps = 1 0 5 1 -> Reset Sun function-key mode.
4203 * Ps = 1 0 5 2 -> Reset HP function-key mode.
4204 * Ps = 1 0 5 3 -> Reset SCO function-key mode.
4205 * Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6).
4206 * Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style.
4207 * Ps = 2 0 0 4 -> Reset bracketed paste mode.
4209 Terminal
.prototype.resetMode = function(params
) {
4210 if (typeof params
=== 'object') {
4211 var l
= params
.length
4214 for (; i
< l
; i
++) {
4215 this.resetMode(params
[i
]);
4224 this.insertMode
= false;
4227 //this.convertEol = false;
4230 } else if (this.prefix
=== '?') {
4233 this.applicationCursor
= false;
4236 if (this.cols
=== 132 && this.savedCols
) {
4237 this.resize(this.savedCols
, this.rows
);
4239 delete this.savedCols
;
4242 this.originMode
= false;
4245 this.wraparoundMode
= false;
4248 // this.cursorBlink = false;
4251 this.log('Switching back to normal keypad.');
4252 this.applicationKeypad
= false;
4253 this.viewport
.syncScrollArea();
4255 case 9: // X10 Mouse
4256 case 1000: // vt200 mouse
4257 case 1002: // button event mouse
4258 case 1003: // any event mouse
4259 this.x10Mouse
= false;
4260 this.vt200Mouse
= false;
4261 this.normalMouse
= false;
4262 this.mouseEvents
= false;
4263 this.element
.style
.cursor
= '';
4265 case 1004: // send focusin/focusout events
4266 this.sendFocus
= false;
4268 case 1005: // utf8 ext mode mouse
4269 this.utfMouse
= false;
4271 case 1006: // sgr ext mode mouse
4272 this.sgrMouse
= false;
4274 case 1015: // urxvt ext mode mouse
4275 this.urxvtMouse
= false;
4277 case 25: // hide cursor
4278 this.cursorHidden
= true;
4280 case 1049: // alt screen buffer cursor
4282 case 47: // normal screen buffer
4283 case 1047: // normal screen buffer - clearing it first
4285 this.lines
= this.normal
.lines
;
4286 this.ybase
= this.normal
.ybase
;
4287 this.ydisp
= this.normal
.ydisp
;
4288 this.x
= this.normal
.x
;
4289 this.y
= this.normal
.y
;
4290 this.scrollTop
= this.normal
.scrollTop
;
4291 this.scrollBottom
= this.normal
.scrollBottom
;
4292 this.tabs
= this.normal
.tabs
;
4294 // if (params === 1049) {
4295 // this.x = this.savedX;
4296 // this.y = this.savedY;
4298 this.refresh(0, this.rows
- 1);
4309 * Set Scrolling Region [top;bottom] (default = full size of win-
4313 Terminal
.prototype.setScrollRegion = function(params
) {
4314 if (this.prefix
) return;
4315 this.scrollTop
= (params
[0] || 1) - 1;
4316 this.scrollBottom
= (params
[1] || this.rows
) - 1;
4324 * Save cursor (ANSI.SYS).
4326 Terminal
.prototype.saveCursor = function(params
) {
4327 this.savedX
= this.x
;
4328 this.savedY
= this.y
;
4334 * Restore cursor (ANSI.SYS).
4336 Terminal
.prototype.restoreCursor = function(params
) {
4337 this.x
= this.savedX
|| 0;
4338 this.y
= this.savedY
|| 0;
4348 * Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
4350 Terminal
.prototype.cursorForwardTab = function(params
) {
4351 var param
= params
[0] || 1;
4353 this.x
= this.nextStop();
4359 * CSI Ps S Scroll up Ps lines (default = 1) (SU).
4361 Terminal
.prototype.scrollUp = function(params
) {
4362 var param
= params
[0] || 1;
4364 this.lines
.splice(this.ybase
+ this.scrollTop
, 1);
4365 this.lines
.splice(this.ybase
+ this.scrollBottom
, 0, this.blankLine());
4368 this.updateRange(this.scrollTop
);
4369 this.updateRange(this.scrollBottom
);
4374 * CSI Ps T Scroll down Ps lines (default = 1) (SD).
4376 Terminal
.prototype.scrollDown = function(params
) {
4377 var param
= params
[0] || 1;
4379 this.lines
.splice(this.ybase
+ this.scrollBottom
, 1);
4380 this.lines
.splice(this.ybase
+ this.scrollTop
, 0, this.blankLine());
4383 this.updateRange(this.scrollTop
);
4384 this.updateRange(this.scrollBottom
);
4389 * CSI Ps ; Ps ; Ps ; Ps ; Ps T
4390 * Initiate highlight mouse tracking. Parameters are
4391 * [func;startx;starty;firstrow;lastrow]. See the section Mouse
4394 Terminal
.prototype.initMouseTracking = function(params
) {
4395 // Relevant: DECSET 1001
4401 * Reset one or more features of the title modes to the default
4402 * value. Normally, "reset" disables the feature. It is possi-
4403 * ble to disable the ability to reset features by compiling a
4404 * different default for the title modes into xterm.
4405 * Ps = 0 -> Do not set window/icon labels using hexadecimal.
4406 * Ps = 1 -> Do not query window/icon labels using hexadeci-
4408 * Ps = 2 -> Do not set window/icon labels using UTF-8.
4409 * Ps = 3 -> Do not query window/icon labels using UTF-8.
4410 * (See discussion of "Title Modes").
4412 Terminal
.prototype.resetTitleModes = function(params
) {
4418 * CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
4420 Terminal
.prototype.cursorBackwardTab = function(params
) {
4421 var param
= params
[0] || 1;
4423 this.x
= this.prevStop();
4429 * CSI Ps b Repeat the preceding graphic character Ps times (REP).
4431 Terminal
.prototype.repeatPrecedingCharacter = function(params
) {
4432 var param
= params
[0] || 1
4433 , line
= this.lines
[this.ybase
+ this.y
]
4434 , ch
= line
[this.x
- 1] || [this.defAttr
, ' ', 1];
4436 while (param
--) line
[this.x
++] = ch
;
4441 * CSI Ps g Tab Clear (TBC).
4442 * Ps = 0 -> Clear Current Column (default).
4443 * Ps = 3 -> Clear All.
4445 * Ps = 2 -> Clear Stops on Line.
4446 * http://vt100.net/annarbor/aaa-ug/section6.html
4448 Terminal
.prototype.tabClear = function(params
) {
4449 var param
= params
[0];
4451 delete this.tabs
[this.x
];
4452 } else if (param
=== 3) {
4459 * CSI Pm i Media Copy (MC).
4460 * Ps = 0 -> Print screen (default).
4461 * Ps = 4 -> Turn off printer controller mode.
4462 * Ps = 5 -> Turn on printer controller mode.
4464 * Media Copy (MC, DEC-specific).
4465 * Ps = 1 -> Print line containing cursor.
4466 * Ps = 4 -> Turn off autoprint mode.
4467 * Ps = 5 -> Turn on autoprint mode.
4468 * Ps = 1 0 -> Print composed display, ignores DECPEX.
4469 * Ps = 1 1 -> Print all pages.
4471 Terminal
.prototype.mediaCopy = function(params
) {
4478 * Set or reset resource-values used by xterm to decide whether
4479 * to construct escape sequences holding information about the
4480 * modifiers pressed with a given key. The first parameter iden-
4481 * tifies the resource to set/reset. The second parameter is the
4482 * value to assign to the resource. If the second parameter is
4483 * omitted, the resource is reset to its initial value.
4484 * Ps = 1 -> modifyCursorKeys.
4485 * Ps = 2 -> modifyFunctionKeys.
4486 * Ps = 4 -> modifyOtherKeys.
4487 * If no parameters are given, all resources are reset to their
4490 Terminal
.prototype.setResources = function(params
) {
4497 * Disable modifiers which may be enabled via the CSI > Ps; Ps m
4498 * sequence. This corresponds to a resource value of "-1", which
4499 * cannot be set with the other sequence. The parameter identi-
4500 * fies the resource to be disabled:
4501 * Ps = 1 -> modifyCursorKeys.
4502 * Ps = 2 -> modifyFunctionKeys.
4503 * Ps = 4 -> modifyOtherKeys.
4504 * If the parameter is omitted, modifyFunctionKeys is disabled.
4505 * When modifyFunctionKeys is disabled, xterm uses the modifier
4506 * keys to make an extended sequence of functions rather than
4507 * adding a parameter to each function key to denote the modi-
4510 Terminal
.prototype.disableModifiers = function(params
) {
4517 * Set resource value pointerMode. This is used by xterm to
4518 * decide whether to hide the pointer cursor as the user types.
4519 * Valid values for the parameter:
4520 * Ps = 0 -> never hide the pointer.
4521 * Ps = 1 -> hide if the mouse tracking mode is not enabled.
4522 * Ps = 2 -> always hide the pointer. If no parameter is
4523 * given, xterm uses the default, which is 1 .
4525 Terminal
.prototype.setPointerMode = function(params
) {
4531 * CSI ! p Soft terminal reset (DECSTR).
4532 * http://vt100.net/docs/vt220-rm/table4-10.html
4534 Terminal
.prototype.softReset = function(params
) {
4535 this.cursorHidden
= false;
4536 this.insertMode
= false;
4537 this.originMode
= false;
4538 this.wraparoundMode
= false; // autowrap
4539 this.applicationKeypad
= false; // ?
4540 this.viewport
.syncScrollArea();
4541 this.applicationCursor
= false;
4543 this.scrollBottom
= this.rows
- 1;
4544 this.curAttr
= this.defAttr
;
4545 this.x
= this.y
= 0; // ?
4546 this.charset
= null;
4547 this.glevel
= 0; // ??
4548 this.charsets
= [null]; // ??
4554 * Request ANSI mode (DECRQM). For VT300 and up, reply is
4556 * where Ps is the mode number as in RM, and Pm is the mode
4558 * 0 - not recognized
4561 * 3 - permanently set
4562 * 4 - permanently reset
4564 Terminal
.prototype.requestAnsiMode = function(params
) {
4571 * Request DEC private mode (DECRQM). For VT300 and up, reply is
4573 * where Ps is the mode number as in DECSET, Pm is the mode value
4574 * as in the ANSI DECRQM.
4576 Terminal
.prototype.requestPrivateMode = function(params
) {
4583 * Set conformance level (DECSCL). Valid values for the first
4585 * Ps = 6 1 -> VT100.
4586 * Ps = 6 2 -> VT200.
4587 * Ps = 6 3 -> VT300.
4588 * Valid values for the second parameter:
4589 * Ps = 0 -> 8-bit controls.
4590 * Ps = 1 -> 7-bit controls (always set for VT100).
4591 * Ps = 2 -> 8-bit controls.
4593 Terminal
.prototype.setConformanceLevel = function(params
) {
4599 * CSI Ps q Load LEDs (DECLL).
4600 * Ps = 0 -> Clear all LEDS (default).
4601 * Ps = 1 -> Light Num Lock.
4602 * Ps = 2 -> Light Caps Lock.
4603 * Ps = 3 -> Light Scroll Lock.
4604 * Ps = 2 1 -> Extinguish Num Lock.
4605 * Ps = 2 2 -> Extinguish Caps Lock.
4606 * Ps = 2 3 -> Extinguish Scroll Lock.
4608 Terminal
.prototype.loadLEDs = function(params
) {
4615 * Set cursor style (DECSCUSR, VT520).
4616 * Ps = 0 -> blinking block.
4617 * Ps = 1 -> blinking block (default).
4618 * Ps = 2 -> steady block.
4619 * Ps = 3 -> blinking underline.
4620 * Ps = 4 -> steady underline.
4622 Terminal
.prototype.setCursorStyle = function(params
) {
4629 * Select character protection attribute (DECSCA). Valid values
4630 * for the parameter:
4631 * Ps = 0 -> DECSED and DECSEL can erase (default).
4632 * Ps = 1 -> DECSED and DECSEL cannot erase.
4633 * Ps = 2 -> DECSED and DECSEL can erase.
4635 Terminal
.prototype.setCharProtectionAttr = function(params
) {
4642 * Restore DEC Private Mode Values. The value of Ps previously
4643 * saved is restored. Ps values are the same as for DECSET.
4645 Terminal
.prototype.restorePrivateValues = function(params
) {
4651 * CSI Pt; Pl; Pb; Pr; Ps$ r
4652 * Change Attributes in Rectangular Area (DECCARA), VT400 and up.
4653 * Pt; Pl; Pb; Pr denotes the rectangle.
4654 * Ps denotes the SGR attributes to change: 0, 1, 4, 5, 7.
4655 * NOTE: xterm doesn't enable this code by default.
4657 Terminal
.prototype.setAttrInRectangle = function(params
) {
4667 for (; t
< b
+ 1; t
++) {
4668 line
= this.lines
[this.ybase
+ t
];
4669 for (i
= l
; i
< r
; i
++) {
4670 line
[i
] = [attr
, line
[i
][1]];
4675 this.updateRange(params
[0]);
4676 this.updateRange(params
[2]);
4681 * CSI Pc; Pt; Pl; Pb; Pr$ x
4682 * Fill Rectangular Area (DECFRA), VT420 and up.
4683 * Pc is the character to use.
4684 * Pt; Pl; Pb; Pr denotes the rectangle.
4685 * NOTE: xterm doesn't enable this code by default.
4687 Terminal
.prototype.fillRectangle = function(params
) {
4697 for (; t
< b
+ 1; t
++) {
4698 line
= this.lines
[this.ybase
+ t
];
4699 for (i
= l
; i
< r
; i
++) {
4700 line
[i
] = [line
[i
][0], String
.fromCharCode(ch
)];
4705 this.updateRange(params
[1]);
4706 this.updateRange(params
[3]);
4712 * Enable Locator Reporting (DECELR).
4713 * Valid values for the first parameter:
4714 * Ps = 0 -> Locator disabled (default).
4715 * Ps = 1 -> Locator enabled.
4716 * Ps = 2 -> Locator enabled for one report, then disabled.
4717 * The second parameter specifies the coordinate unit for locator
4719 * Valid values for the second parameter:
4720 * Pu = 0 <- or omitted -> default to character cells.
4721 * Pu = 1 <- device physical pixels.
4722 * Pu = 2 <- character cells.
4724 Terminal
.prototype.enableLocatorReporting = function(params
) {
4725 var val
= params
[0] > 0;
4726 //this.mouseEvents = val;
4727 //this.decLocator = val;
4732 * CSI Pt; Pl; Pb; Pr$ z
4733 * Erase Rectangular Area (DECERA), VT400 and up.
4734 * Pt; Pl; Pb; Pr denotes the rectangle.
4735 * NOTE: xterm doesn't enable this code by default.
4737 Terminal
.prototype.eraseRectangle = function(params
) {
4747 ch
= [this.eraseAttr(), ' ', 1]; // xterm?
4749 for (; t
< b
+ 1; t
++) {
4750 line
= this.lines
[this.ybase
+ t
];
4751 for (i
= l
; i
< r
; i
++) {
4757 this.updateRange(params
[0]);
4758 this.updateRange(params
[2]);
4764 * Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
4765 * NOTE: xterm doesn't enable this code by default.
4767 Terminal
.prototype.insertColumns = function() {
4768 var param
= params
[0]
4769 , l
= this.ybase
+ this.rows
4770 , ch
= [this.eraseAttr(), ' ', 1] // xterm?
4774 for (i
= this.ybase
; i
< l
; i
++) {
4775 this.lines
[i
].splice(this.x
+ 1, 0, ch
);
4776 this.lines
[i
].pop();
4786 * Delete P s Column(s) (default = 1) (DECDC), VT420 and up
4787 * NOTE: xterm doesn't enable this code by default.
4789 Terminal
.prototype.deleteColumns = function() {
4790 var param
= params
[0]
4791 , l
= this.ybase
+ this.rows
4792 , ch
= [this.eraseAttr(), ' ', 1] // xterm?
4796 for (i
= this.ybase
; i
< l
; i
++) {
4797 this.lines
[i
].splice(this.x
, 1);
4798 this.lines
[i
].push(ch
);
4809 Terminal
.charsets
= {};
4811 // DEC Special Character and Line Drawing Set.
4812 // http://vt100.net/docs/vt102-ug/table5-13.html
4813 // A lot of curses apps use this if they see TERM=xterm.
4814 // testing: echo -e '\e(0a\e(B'
4815 // The xterm output sometimes seems to conflict with the
4816 // reference above. xterm seems in line with the reference
4817 // when running vttest however.
4818 // The table below now uses xterm's output from vttest.
4819 Terminal
.charsets
.SCLD
= { // (0
4820 '`': '\u25c6', // '◆'
4821 'a': '\u2592', // '▒'
4822 'b': '\u0009', // '\t'
4823 'c': '\u000c', // '\f'
4824 'd': '\u000d', // '\r'
4825 'e': '\u000a', // '\n'
4826 'f': '\u00b0', // '°'
4827 'g': '\u00b1', // '±'
4828 'h': '\u2424', // '\u2424' (NL)
4829 'i': '\u000b', // '\v'
4830 'j': '\u2518', // '┘'
4831 'k': '\u2510', // '┐'
4832 'l': '\u250c', // '┌'
4833 'm': '\u2514', // '└'
4834 'n': '\u253c', // '┼'
4835 'o': '\u23ba', // '⎺'
4836 'p': '\u23bb', // '⎻'
4837 'q': '\u2500', // '─'
4838 'r': '\u23bc', // '⎼'
4839 's': '\u23bd', // '⎽'
4840 't': '\u251c', // '├'
4841 'u': '\u2524', // '┤'
4842 'v': '\u2534', // '┴'
4843 'w': '\u252c', // '┬'
4844 'x': '\u2502', // '│'
4845 'y': '\u2264', // '≤'
4846 'z': '\u2265', // '≥'
4847 '{': '\u03c0', // 'π'
4848 '|': '\u2260', // '≠'
4849 '}': '\u00a3', // '£'
4850 '~': '\u00b7' // '·'
4853 Terminal
.charsets
.UK
= null; // (A
4854 Terminal
.charsets
.US
= null; // (B (USASCII)
4855 Terminal
.charsets
.Dutch
= null; // (4
4856 Terminal
.charsets
.Finnish
= null; // (C or (5
4857 Terminal
.charsets
.French
= null; // (R
4858 Terminal
.charsets
.FrenchCanadian
= null; // (Q
4859 Terminal
.charsets
.German
= null; // (K
4860 Terminal
.charsets
.Italian
= null; // (Y
4861 Terminal
.charsets
.NorwegianDanish
= null; // (E or (6
4862 Terminal
.charsets
.Spanish
= null; // (Z
4863 Terminal
.charsets
.Swedish
= null; // (H or (7
4864 Terminal
.charsets
.Swiss
= null; // (=
4865 Terminal
.charsets
.ISOLatin
= null; // /A
4871 function contains(el
, arr
) {
4872 for (var i
= 0; i
< arr
.length
; i
+= 1) {
4873 if (el
=== arr
[i
]) {
4880 function on(el
, type
, handler
, capture
) {
4881 if (!Array
.isArray(el
)) {
4884 el
.forEach(function (element
) {
4885 element
.addEventListener(type
, handler
, capture
|| false);
4889 function off(el
, type
, handler
, capture
) {
4890 el
.removeEventListener(type
, handler
, capture
|| false);
4893 function cancel(ev
, force
) {
4894 if (!this.cancelEvents
&& !force
) {
4897 ev
.preventDefault();
4898 ev
.stopPropagation();
4902 function inherits(child
, parent
) {
4904 this.constructor = child
;
4906 f
.prototype = parent
.prototype;
4907 child
.prototype = new f
;
4910 // if bold is broken, we can't
4911 // use it in the terminal.
4912 function isBoldBroken(document
) {
4913 var body
= document
.getElementsByTagName('body')[0];
4914 var el
= document
.createElement('span');
4915 el
.innerHTML
= 'hello world';
4916 body
.appendChild(el
);
4917 var w1
= el
.scrollWidth
;
4918 el
.style
.fontWeight
= 'bold';
4919 var w2
= el
.scrollWidth
;
4920 body
.removeChild(el
);
4924 function indexOf(obj
, el
) {
4927 if (obj
[i
] === el
) return i
;
4932 function isThirdLevelShift(term
, ev
) {
4934 (term
.isMac
&& ev
.altKey
&& !ev
.ctrlKey
&& !ev
.metaKey
) ||
4935 (term
.isMSWindows
&& ev
.altKey
&& ev
.ctrlKey
&& !ev
.metaKey
);
4937 if (ev
.type
== 'keypress') {
4938 return thirdLevelKey
;
4941 // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)
4942 return thirdLevelKey
&& (!ev
.keyCode
|| ev
.keyCode
> 47);
4945 function matchColor(r1
, g1
, b1
) {
4946 var hash
= (r1
<< 16) | (g1
<< 8) | b1
;
4948 if (matchColor
._cache
[hash
] != null) {
4949 return matchColor
._cache
[hash
];
4952 var ldiff
= Infinity
4961 for (; i
< Terminal
.vcolors
.length
; i
++) {
4962 c
= Terminal
.vcolors
[i
];
4967 diff
= matchColor
.distance(r1
, g1
, b1
, r2
, g2
, b2
);
4980 return matchColor
._cache
[hash
] = li
;
4983 matchColor
._cache
= {};
4985 // http://stackoverflow.com/questions/1633828
4986 matchColor
.distance = function(r1
, g1
, b1
, r2
, g2
, b2
) {
4987 return Math
.pow(30 * (r1
- r2
), 2)
4988 + Math
.pow(59 * (g1
- g2
), 2)
4989 + Math
.pow(11 * (b1
- b2
), 2);
4992 function each(obj
, iter
, con
) {
4993 if (obj
.forEach
) return obj
.forEach(iter
, con
);
4994 for (var i
= 0; i
< obj
.length
; i
++) {
4995 iter
.call(con
, obj
[i
], i
, obj
);
4999 function keys(obj
) {
5000 if (Object
.keys
) return Object
.keys(obj
);
5003 if (Object
.prototype.hasOwnProperty
.call(obj
, key
)) {
5010 var wcwidth
= (function(opts
) {
5011 // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
5012 // combining characters
5014 [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
5015 [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
5016 [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
5017 [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
5018 [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
5019 [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
5020 [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
5021 [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
5022 [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
5023 [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
5024 [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
5025 [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
5026 [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
5027 [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
5028 [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
5029 [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
5030 [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
5031 [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
5032 [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
5033 [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
5034 [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
5035 [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
5036 [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
5037 [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
5038 [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
5039 [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
5040 [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
5041 [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
5042 [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
5043 [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
5044 [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
5045 [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
5046 [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
5047 [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
5048 [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
5049 [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
5050 [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
5051 [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
5052 [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
5053 [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
5054 [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
5055 [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
5056 [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],
5057 [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
5058 [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
5059 [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
5060 [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
5064 function bisearch(ucs
) {
5066 var max
= COMBINING
.length
- 1;
5068 if (ucs
< COMBINING
[0][0] || ucs
> COMBINING
[max
][1])
5070 while (max
>= min
) {
5071 mid
= Math
.floor((min
+ max
) / 2);
5072 if (ucs
> COMBINING
[mid
][1])
5074 else if (ucs
< COMBINING
[mid
][0])
5081 function wcwidth(ucs
) {
5082 // test for 8-bit control characters
5085 if (ucs
< 32 || (ucs
>= 0x7f && ucs
< 0xa0))
5086 return opts
.control
;
5087 // binary search in table of non-spacing characters
5090 // if we arrive here, ucs is not a combining or C0/C1 control character
5095 ucs
<= 0x115f || // Hangul Jamo init. consonants
5098 (ucs
>= 0x2e80 && ucs
<= 0xa4cf && ucs
!= 0x303f) || // CJK..Yi
5099 (ucs
>= 0xac00 && ucs
<= 0xd7a3) || // Hangul Syllables
5100 (ucs
>= 0xf900 && ucs
<= 0xfaff) || // CJK Compat Ideographs
5101 (ucs
>= 0xfe10 && ucs
<= 0xfe19) || // Vertical forms
5102 (ucs
>= 0xfe30 && ucs
<= 0xfe6f) || // CJK Compat Forms
5103 (ucs
>= 0xff00 && ucs
<= 0xff60) || // Fullwidth Forms
5104 (ucs
>= 0xffe0 && ucs
<= 0xffe6) ||
5105 (ucs
>= 0x20000 && ucs
<= 0x2fffd) ||
5106 (ucs
>= 0x30000 && ucs
<= 0x3fffd)
5111 })({nul
: 0, control
: 0}); // configurable options
5117 Terminal
.EventEmitter
= EventEmitter
;
5118 Terminal
.CompositionHelper
= CompositionHelper
;
5119 Terminal
.Viewport
= Viewport
;
5120 Terminal
.inherits
= inherits
;
5123 * Adds an event listener to the terminal.
5125 * @param {string} event The name of the event. TODO: Document all event types
5126 * @param {function} callback The function to call when the event is triggered.
5130 Terminal
.cancel
= cancel
;
5132 module
.exports
= Terminal
;