2 * xterm.js: xterm, in the browser
3 * Copyright (c) 2014, SourceLair Limited <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';
39 * Terminal Emulation References:
41 * http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt
42 * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
43 * http://invisible-island.net/vttest/
44 * http://www.inwap.com/pdp10/ansicode.txt
45 * http://linux.die.net/man/4/console_codes
46 * http://linux.die.net/man/7/urxvt
49 // Let it work inside Node.js for automated testing purposes.
50 var document
= (typeof window
!= 'undefined') ? window
.document
: null;
55 var normal
= 0, escaped
= 1, csi
= 2, osc
= 3, charset
= 4, dcs
= 5, ignore
= 6;
62 * Creates a new `Terminal` object.
64 * @param {object} options An object containing a set of options, the available options are:
65 * - cursorBlink (boolean): Whether the terminal cursor blinks
69 * @alias module:xterm/src/xterm
71 function Terminal(options
) {
74 if (!(this instanceof Terminal
)) {
75 return new Terminal(arguments
[0], arguments
[1], arguments
[2]);
78 self
.cancel
= Terminal
.cancel
;
80 EventEmitter
.call(this);
82 if (typeof options
=== 'number') {
90 options
= options
|| {};
93 Object
.keys(Terminal
.defaults
).forEach(function(key
) {
94 if (options
[key
] == null) {
95 options
[key
] = Terminal
.options
[key
];
97 if (Terminal
[key
] !== Terminal
.defaults
[key
]) {
98 options
[key
] = Terminal
[key
];
101 self
[key
] = options
[key
];
104 if (options
.colors
.length
=== 8) {
105 options
.colors
= options
.colors
.concat(Terminal
._colors
.slice(8));
106 } else if (options
.colors
.length
=== 16) {
107 options
.colors
= options
.colors
.concat(Terminal
._colors
.slice(16));
108 } else if (options
.colors
.length
=== 10) {
109 options
.colors
= options
.colors
.slice(0, -2).concat(
110 Terminal
._colors
.slice(8, -2), options
.colors
.slice(-2));
111 } else if (options
.colors
.length
=== 18) {
112 options
.colors
= options
.colors
.concat(
113 Terminal
._colors
.slice(16, -2), options
.colors
.slice(-2));
115 this.colors
= options
.colors
;
117 this.options
= options
;
119 // this.context = options.context || window;
120 // this.document = options.document || document;
121 this.parent
= options
.body
|| options
.parent
122 || (document
? document
.getElementsByTagName('body')[0] : null);
124 this.cols
= options
.cols
|| options
.geometry
[0];
125 this.rows
= options
.rows
|| options
.geometry
[1];
127 if (options
.handler
) {
128 this.on('data', options
.handler
);
132 * The scroll position of the y cursor, ie. ybase + y = the y position within the entire
138 * The scroll position of the viewport
143 * The cursor's x position after ybase
148 * The cursor's y position after ybase
153 * Used to debounce the refresh function
155 this.isRefreshing
= false;
158 * Whether there is a full terminal refresh queued
161 this.cursorState
= 0;
162 this.cursorHidden
= false;
167 this.scrollBottom
= this.rows
- 1;
168 this.customKeydownHandler
= null;
171 this.applicationKeypad
= false;
172 this.applicationCursor
= false;
173 this.originMode
= false;
174 this.insertMode
= false;
175 this.wraparoundMode
= true; // defaults: xterm - true, vt100 - false
180 this.gcharset
= null;
182 this.charsets
= [null];
206 this.readable
= true;
207 this.writable
= true;
209 this.defAttr
= (0 << 18) | (257 << 9) | (256 << 0);
210 this.curAttr
= this.defAttr
;
213 this.currentParam
= 0;
217 // leftover surrogate high from previous write invocation
218 this.surrogate_high
= '';
221 * An array of all lines in the entire buffer, including the prompt. The lines are array of
222 * characters which are 2-length arrays where [0] is an attribute and [1] is the character.
227 this.lines
.push(this.blankLine());
234 inherits(Terminal
, EventEmitter
);
237 * back_color_erase feature for xterm.
239 Terminal
.prototype.eraseAttr = function() {
240 // if (this.is('screen')) return this.defAttr;
241 return (this.defAttr
& ~0x1ff) | (this.curAttr
& 0x1ff);
249 Terminal
.tangoColors
= [
270 // Colors 0-15 + 16-255
271 // Much thanks to TooTallNate for writing this.
272 Terminal
.colors
= (function() {
273 var colors
= Terminal
.tangoColors
.slice()
274 , r
= [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff]
279 for (; i
< 216; i
++) {
280 out(r
[(i
/ 36) % 6 | 0], r
[(i
/ 6) % 6 | 0], r
[i
% 6]);
285 for (; i
< 24; i
++) {
290 function out(r
, g
, b
) {
291 colors
.push('#' + hex(r
) + hex(g
) + hex(b
));
296 return c
.length
< 2 ? '0' + c
: c
;
302 Terminal
._colors
= Terminal
.colors
.slice();
304 Terminal
.vcolors
= (function() {
306 , colors
= Terminal
.colors
310 for (; i
< 256; i
++) {
311 color
= parseInt(colors
[i
].substring(1), 16);
313 (color
>> 16) & 0xff,
326 Terminal
.defaults
= {
327 colors
: Terminal
.colors
,
339 // programFeatures: false,
343 Terminal
.options
= {};
345 Terminal
.focus
= null;
347 each(keys(Terminal
.defaults
), function(key
) {
348 Terminal
[key
] = Terminal
.defaults
[key
];
349 Terminal
.options
[key
] = Terminal
.defaults
[key
];
353 * Focus the terminal. Delegates focus handling to the terminal's DOM element.
355 Terminal
.prototype.focus = function() {
356 return this.textarea
.focus();
360 * Binds the desired focus behavior on a given terminal object.
364 Terminal
.bindFocus = function (term
) {
365 on(term
.textarea
, 'focus', function (ev
) {
366 if (term
.sendFocus
) {
369 term
.element
.classList
.add('focus');
371 Terminal
.focus
= term
;
372 term
.emit('focus', {terminal
: term
});
377 * Blur the terminal. Delegates blur handling to the terminal's DOM element.
379 Terminal
.prototype.blur = function() {
380 return this.textarea
.blur();
384 * Binds the desired blur behavior on a given terminal object.
388 Terminal
.bindBlur = function (term
) {
389 on(term
.textarea
, 'blur', function (ev
) {
390 term
.refresh(term
.y
, term
.y
);
391 if (term
.sendFocus
) {
394 term
.element
.classList
.remove('focus');
395 Terminal
.focus
= null;
396 term
.emit('blur', {terminal
: term
});
401 * Initialize default behavior
403 Terminal
.prototype.initGlobal = function() {
404 Terminal
.bindPaste(this);
405 Terminal
.bindKeys(this);
406 Terminal
.bindCopy(this);
407 Terminal
.bindFocus(this);
408 Terminal
.bindBlur(this);
412 * Bind to paste event and allow both keyboard and right-click pasting, without having the
413 * contentEditable value set to true.
415 Terminal
.bindPaste = function(term
) {
416 on([term
.textarea
, term
.element
], 'paste', function(ev
) {
417 ev
.stopPropagation();
418 if (ev
.clipboardData
) {
419 var text
= ev
.clipboardData
.getData('text/plain');
421 term
.textarea
.value
= '';
422 return term
.cancel(ev
);
428 * Prepares text copied from terminal selection, to be saved in the clipboard by:
429 * 1. stripping all trailing white spaces
430 * 2. converting all non-breaking spaces to regular spaces
431 * @param {string} text The copied text that needs processing for storing in clipboard
435 Terminal
.prepareCopiedTextForClipboard = function (text
) {
436 var space
= String
.fromCharCode(32),
437 nonBreakingSpace
= String
.fromCharCode(160),
438 allNonBreakingSpaces
= new RegExp(nonBreakingSpace
, 'g'),
439 processedText
= text
.split('\n').map(function (line
) {
441 * Strip all trailing white spaces and convert all non-breaking spaces to regular
444 var processedLine
= line
.replace(/\s+$/g, '').replace(allNonBreakingSpaces
, space
);
446 return processedLine
;
449 return processedText
;
453 * Apply key handling to the terminal
455 Terminal
.bindKeys = function(term
) {
456 on(term
.element
, 'keydown', function(ev
) {
457 if (document
.activeElement
!= this) {
463 on(term
.element
, 'keypress', function(ev
) {
464 if (document
.activeElement
!= this) {
470 on(term
.element
, 'keyup', term
.focus
.bind(term
));
472 on(term
.textarea
, 'keydown', function(ev
) {
476 on(term
.textarea
, 'keypress', function(ev
) {
478 // Truncate the textarea's value, since it is not needed
482 on(term
.textarea
, 'compositionstart', term
.compositionHelper
.compositionstart
.bind(term
.compositionHelper
));
483 on(term
.textarea
, 'compositionupdate', term
.compositionHelper
.compositionupdate
.bind(term
.compositionHelper
));
484 on(term
.textarea
, 'compositionend', term
.compositionHelper
.compositionend
.bind(term
.compositionHelper
));
485 term
.on('refresh', term
.compositionHelper
.updateCompositionElements
.bind(term
.compositionHelper
));
489 * Binds copy functionality to the given terminal.
492 Terminal
.bindCopy = function(term
) {
493 on(term
.element
, 'copy', function(ev
) {
500 * Insert the given row to the terminal or produce a new one
501 * if no row argument is passed. Return the inserted row.
502 * @param {HTMLElement} row (optional) The row to append to the terminal.
504 Terminal
.prototype.insertRow = function (row
) {
505 if (typeof row
!= 'object') {
506 row
= document
.createElement('div');
509 this.rowContainer
.appendChild(row
);
510 this.children
.push(row
);
516 * Opens the terminal within an element.
518 * @param {HTMLElement} parent The element to create the terminal within.
520 Terminal
.prototype.open = function(parent
) {
521 var self
=this, i
=0, div
;
523 this.parent
= parent
|| this.parent
;
526 throw new Error('Terminal requires a parent element.');
530 * Grab global elements
532 this.context
= this.parent
.ownerDocument
.defaultView
;
533 this.document
= this.parent
.ownerDocument
;
534 this.body
= this.document
.getElementsByTagName('body')[0];
539 if (this.context
.navigator
&& this.context
.navigator
.userAgent
) {
540 this.isMSIE
= !!~this.context
.navigator
.userAgent
.indexOf('MSIE');
544 * Find the users platform. We use this to interpret the meta key
545 * and ISO third level shifts.
546 * http://stackoverflow.com/questions/19877924/what-is-the-list-of-possible-values-for-navigator-platform-as-of-today
548 if (this.context
.navigator
&& this.context
.navigator
.platform
) {
549 this.isMac
= contains(
550 this.context
.navigator
.platform
,
551 ['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K']
553 this.isIpad
= this.context
.navigator
.platform
=== 'iPad';
554 this.isIphone
= this.context
.navigator
.platform
=== 'iPhone';
555 this.isMSWindows
= contains(
556 this.context
.navigator
.platform
,
557 ['Windows', 'Win16', 'Win32', 'WinCE']
562 * Create main element container
564 this.element
= this.document
.createElement('div');
565 this.element
.classList
.add('terminal');
566 this.element
.classList
.add('xterm');
567 this.element
.classList
.add('xterm-theme-' + this.theme
);
569 this.element
.style
.height
570 this.element
.setAttribute('tabindex', 0);
572 this.viewportElement
= document
.createElement('div');
573 this.viewportElement
.classList
.add('xterm-viewport');
574 this.element
.appendChild(this.viewportElement
);
575 this.viewportScrollArea
= document
.createElement('div');
576 this.viewportScrollArea
.classList
.add('xterm-scroll-area');
577 this.viewportElement
.appendChild(this.viewportScrollArea
);
580 * Create the container that will hold the lines of the terminal and then
581 * produce the lines the lines.
583 this.rowContainer
= document
.createElement('div');
584 this.rowContainer
.classList
.add('xterm-rows');
585 this.element
.appendChild(this.rowContainer
);
589 * Create the container that will hold helpers like the textarea for
590 * capturing DOM Events. Then produce the helpers.
592 this.helperContainer
= document
.createElement('div');
593 this.helperContainer
.classList
.add('xterm-helpers');
594 // TODO: This should probably be inserted once it's filled to prevent an additional layout
595 this.element
.appendChild(this.helperContainer
);
596 this.textarea
= document
.createElement('textarea');
597 this.textarea
.classList
.add('xterm-helper-textarea');
598 this.textarea
.setAttribute('autocorrect', 'off');
599 this.textarea
.setAttribute('autocapitalize', 'off');
600 this.textarea
.setAttribute('spellcheck', 'false');
601 this.textarea
.tabIndex
= 0;
602 this.textarea
.addEventListener('focus', function() {
603 self
.emit('focus', {terminal
: self
});
605 this.textarea
.addEventListener('blur', function() {
606 self
.emit('blur', {terminal
: self
});
608 this.helperContainer
.appendChild(this.textarea
);
610 this.compositionView
= document
.createElement('div');
611 this.compositionView
.classList
.add('composition-view');
612 this.compositionHelper
= new CompositionHelper(this.textarea
, this.compositionView
, this);
613 this.helperContainer
.appendChild(this.compositionView
);
615 this.charMeasureElement
= document
.createElement('div');
616 this.charMeasureElement
.classList
.add('xterm-char-measure-element');
617 this.charMeasureElement
.innerHTML
= 'W';
618 this.helperContainer
.appendChild(this.charMeasureElement
);
620 for (; i
< this.rows
; i
++) {
623 this.parent
.appendChild(this.element
);
625 this.viewport
= new Viewport(this, this.viewportElement
, this.viewportScrollArea
, this.charMeasureElement
);
628 this.refresh(0, this.rows
- 1);
630 // Initialize global actions that
631 // need to be taken on the document.
634 // Ensure there is a Terminal.focus.
637 on(this.element
, 'mouseup', function() {
638 var selection
= document
.getSelection(),
639 collapsed
= selection
.isCollapsed
,
640 isRange
= typeof collapsed
== 'boolean' ? !collapsed
: selection
.type
== 'Range';
646 // Listen for mouse events and translate
647 // them into terminal mouse protocols.
650 // Figure out whether boldness affects
651 // the character width of monospace fonts.
652 if (Terminal
.brokenBold
== null) {
653 Terminal
.brokenBold
= isBoldBroken(this.document
);
661 * Attempts to load an add-on using CommonJS or RequireJS (whichever is available).
662 * @param {string} addon The name of the addon to load
665 Terminal
.loadAddon = function(addon
, callback
) {
666 if (typeof exports
=== 'object' && typeof module
=== 'object') {
668 return require(__dirname
+ '/../addons/' + addon
);
669 } else if (typeof define
== 'function') {
671 return require(['../addons/' + addon
+ '/' + addon
], callback
);
673 console
.error('Cannot load a module without a CommonJS or RequireJS environment.');
681 * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking
682 * To better understand these
683 * the xterm code is very helpful:
685 * button.c, charproc.c, misc.c
686 * Relevant functions in xterm/button.c:
687 * BtnCode, EmitButtonCode, EditorButton, SendMousePosition
689 Terminal
.prototype.bindMouse = function() {
690 var el
= this.element
, self
= this, pressed
= 32;
692 // mouseup, mousedown, wheel
693 // left click: ^[[M 3<^[[M#3<
695 function sendButton(ev
) {
699 // get the xterm-style button
700 button
= getButton(ev
);
702 // get mouse coordinates
706 sendEvent(button
, pos
);
708 switch (ev
.overrideType
|| ev
.type
) {
713 // keep it at the left
714 // button, just in case.
725 // motion example of a left click:
726 // ^[[M 3<^[[M@4<^[[M@5<^[[M@6<^[[M@7<^[[M#7<
727 function sendMove(ev
) {
734 // buttons marked as motions
735 // are incremented by 32
738 sendEvent(button
, pos
);
742 // position to characters
743 function encode(data
, ch
) {
744 if (!self
.utfMouse
) {
745 if (ch
=== 255) return data
.push(0);
746 if (ch
> 127) ch
= 127;
749 if (ch
=== 2047) return data
.push(0);
753 if (ch
> 2047) ch
= 2047;
754 data
.push(0xC0 | (ch
>> 6));
755 data
.push(0x80 | (ch
& 0x3F));
760 // send a mouse event:
761 // regular/utf8: ^[[M Cb Cx Cy
762 // urxvt: ^[[ Cb ; Cx ; Cy M
763 // sgr: ^[[ Cb ; Cx ; Cy M/m
764 // vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \r
765 // locator: CSI P e ; P b ; P r ; P c ; P p & w
766 function sendEvent(button
, pos
) {
767 // self.emit('mouse', {
773 if (self
.vt300Mouse
) {
775 // http://www.vt100.net/docs/vt3xx-gp/chapter15.html
779 var data
= '\x1b[24';
780 if (button
=== 0) data
+= '1';
781 else if (button
=== 1) data
+= '3';
782 else if (button
=== 2) data
+= '5';
783 else if (button
=== 3) return;
785 data
+= '~[' + pos
.x
+ ',' + pos
.y
+ ']\r';
790 if (self
.decLocator
) {
795 if (button
=== 0) button
= 2;
796 else if (button
=== 1) button
= 4;
797 else if (button
=== 2) button
= 6;
798 else if (button
=== 3) button
= 3;
802 + (button
=== 3 ? 4 : 0)
813 if (self
.urxvtMouse
) {
818 self
.send('\x1b[' + button
+ ';' + pos
.x
+ ';' + pos
.y
+ 'M');
826 + ((button
& 3) === 3 ? button
& ~3 : button
)
831 + ((button
& 3) === 3 ? 'm' : 'M'));
837 encode(data
, button
);
841 self
.send('\x1b[M' + String
.fromCharCode
.apply(String
, data
));
844 function getButton(ev
) {
857 // 1, and 2 - with 64 added
858 switch (ev
.overrideType
|| ev
.type
) {
860 button
= ev
.button
!= null
867 button
= button
=== 1 ? 0 : button
=== 4 ? 1 : button
;
873 case 'DOMMouseScroll':
874 button
= ev
.detail
< 0
879 button
= ev
.wheelDeltaY
> 0
885 // next three bits are the modifiers:
886 // 4 = shift, 8 = meta, 16 = control
887 shift
= ev
.shiftKey
? 4 : 0;
888 meta
= ev
.metaKey
? 8 : 0;
889 ctrl
= ev
.ctrlKey
? 16 : 0;
890 mod
= shift
| meta
| ctrl
;
893 if (self
.vt200Mouse
) {
896 } else if (!self
.normalMouse
) {
901 button
= (32 + (mod
<< 2)) + button
;
906 // mouse coordinates measured in cols/rows
907 function getCoords(ev
) {
910 // ignore browsers without pageX for now
911 if (ev
.pageX
== null) return;
917 // should probably check offsetParent
918 // but this is more portable
919 while (el
&& el
!== self
.document
.documentElement
) {
922 el
= 'offsetParent' in el
927 // convert to cols/rows
928 w
= self
.element
.clientWidth
;
929 h
= self
.element
.clientHeight
;
930 x
= Math
.ceil((x
/ w
) * self
.cols
);
931 y
= Math
.ceil((y
/ h
) * self
.rows
);
933 // be sure to avoid sending
934 // bad positions to the program
936 if (x
> self
.cols
) x
= self
.cols
;
938 if (y
> self
.rows
) y
= self
.rows
;
940 // xterm sends raw bytes and
941 // starts at 32 (SP) for each.
952 on(el
, 'mousedown', function(ev
) {
953 if (!self
.mouseEvents
) return;
962 //if (self.vt200Mouse && !self.normalMouse) {
963 if (self
.vt200Mouse
) {
964 ev
.overrideType
= 'mouseup';
966 return self
.cancel(ev
);
970 if (self
.normalMouse
) on(self
.document
, 'mousemove', sendMove
);
972 // x10 compatibility mode can't send button releases
973 if (!self
.x10Mouse
) {
974 on(self
.document
, 'mouseup', function up(ev
) {
976 if (self
.normalMouse
) off(self
.document
, 'mousemove', sendMove
);
977 off(self
.document
, 'mouseup', up
);
978 return self
.cancel(ev
);
982 return self
.cancel(ev
);
985 //if (self.normalMouse) {
986 // on(self.document, 'mousemove', sendMove);
989 on(el
, 'wheel', function(ev
) {
990 if (!self
.mouseEvents
) return;
993 || self
.decLocator
) return;
995 return self
.cancel(ev
);
998 // allow wheel scrolling in
999 // the shell for example
1000 on(el
, 'wheel', function(ev
) {
1001 if (self
.mouseEvents
) return;
1002 if (self
.applicationKeypad
) return;
1003 self
.viewport
.onWheel(ev
);
1004 return self
.cancel(ev
);
1009 * Destroys the terminal.
1011 Terminal
.prototype.destroy = function() {
1012 this.readable
= false;
1013 this.writable
= false;
1015 this.handler = function() {};
1016 this.write = function() {};
1017 if (this.element
.parentNode
) {
1018 this.element
.parentNode
.removeChild(this.element
);
1020 //this.emit('close');
1025 * Flags used to render terminal text properly
1036 * Refreshes (re-renders) terminal content within two rows (inclusive)
1040 * In the screen buffer, each character is stored as a an array with a character
1041 * and a 32-bit integer:
1042 * - First value: a utf-16 character.
1044 * - Next 9 bits: background color (0-511).
1045 * - Next 9 bits: foreground color (0-511).
1046 * - Next 14 bits: a mask for misc. flags:
1053 * @param {number} start The row to start from (between 0 and terminal's height terminal - 1)
1054 * @param {number} end The row to end at (between fromRow and terminal's height terminal - 1)
1055 * @param {boolean} queue Whether the refresh should ran right now or be queued
1057 Terminal
.prototype.refresh = function(start
, end
, queue
) {
1060 // queue defaults to true
1061 queue
= (typeof queue
== 'undefined') ? true : queue
;
1064 * The refresh queue allows refresh to execute only approximately 30 times a second. For
1065 * commands that pass a significant amount of output to the write function, this prevents the
1066 * terminal from maxing out the CPU and making the UI unresponsive. While commands can still
1067 * run beyond what they do on the terminal, it is far better with a debounce in place as
1068 * every single terminal manipulation does not need to be constructed in the DOM.
1070 * A side-effect of this is that it makes ^C to interrupt a process seem more responsive.
1073 // If refresh should be queued, order the refresh and return.
1074 if (this._refreshIsQueued
) {
1075 // If a refresh has already been queued, just order a full refresh next
1076 this._fullRefreshNext
= true;
1078 setTimeout(function () {
1079 self
.refresh(start
, end
, false);
1081 this._refreshIsQueued
= true;
1086 // If refresh should be run right now (not be queued), release the lock
1087 this._refreshIsQueued
= false;
1089 // If multiple refreshes were requested, make a full refresh.
1090 if (this._fullRefreshNext
) {
1092 end
= this.rows
- 1;
1093 this._fullRefreshNext
= false // reset lock
1096 var x
, y
, i
, line
, out
, ch
, ch_width
, width
, data
, attr
, bg
, fg
, flags
, row
, parent
, focused
= document
.activeElement
;
1098 // If this is a big refresh, remove the terminal rows from the DOM for faster calculations
1099 if (end
- start
>= this.rows
/ 2) {
1100 parent
= this.element
.parentNode
;
1102 this.element
.removeChild(this.rowContainer
);
1109 if (end
>= this.rows
.length
) {
1110 this.log('`end` is too large. Most likely a bad CSR.');
1111 end
= this.rows
.length
- 1;
1114 for (; y
<= end
; y
++) {
1115 row
= y
+ this.ydisp
;
1117 line
= this.lines
[row
];
1120 if (this.y
=== y
- (this.ybase
- this.ydisp
)
1122 && !this.cursorHidden
) {
1128 attr
= this.defAttr
;
1131 for (; i
< width
; i
++) {
1134 ch_width
= line
[i
][2];
1138 if (i
=== x
) data
= -1;
1140 if (data
!== attr
) {
1141 if (attr
!== this.defAttr
) {
1144 if (data
!== this.defAttr
) {
1146 out
+= '<span class="reverse-video terminal-cursor';
1147 if (this.cursorBlink
) {
1152 var classNames
= [];
1155 fg
= (data
>> 9) & 0x1ff;
1158 if (flags
& Terminal
.flags
.BOLD
) {
1159 if (!Terminal
.brokenBold
) {
1160 classNames
.push('xterm-bold');
1162 // See: XTerm*boldColors
1163 if (fg
< 8) fg
+= 8;
1166 if (flags
& Terminal
.flags
.UNDERLINE
) {
1167 classNames
.push('xterm-underline');
1170 if (flags
& Terminal
.flags
.BLINK
) {
1171 classNames
.push('xterm-blink');
1175 * If inverse flag is on, then swap the foreground and background variables.
1177 if (flags
& Terminal
.flags
.INVERSE
) {
1178 /* One-line variable swap in JavaScript: http://stackoverflow.com/a/16201730 */
1179 bg = [fg, fg = bg][0];
1180 // Should inverse just be before the
1181 // above boldColors effect instead?
1182 if ((flags & 1) && fg < 8) fg += 8;
1185 if (flags & Terminal.flags.INVISIBLE) {
1186 classNames.push('xterm-hidden');
1190 * Weird situation: Invert flag used black foreground and white background results
1191 * in invalid background color, positioned at the 256 index of the 256 terminal
1192 * color map. Pin the colors manually in such a case.
1194 * Source: https://github.com/sourcelair/xterm.js/issues/57
1196 if (flags
& Terminal
.flags
.INVERSE
) {
1206 classNames
.push('xterm-bg-color-' + bg
);
1210 classNames
.push('xterm-color-' + fg
);
1214 if (classNames
.length
) {
1215 out
+= ' class="' + classNames
.join(' ') + '"';
1244 if (attr
!== this.defAttr
) {
1248 this.children
[y
].innerHTML
= out
;
1252 this.element
.appendChild(this.rowContainer
);
1255 this.emit('refresh', {element
: this.element
, start
: start
, end
: end
});
1259 * Display the cursor element
1261 Terminal
.prototype.showCursor = function() {
1262 if (!this.cursorState
) {
1263 this.cursorState
= 1;
1264 this.refresh(this.y
, this.y
);
1269 * Scroll the terminal
1271 Terminal
.prototype.scroll = function() {
1274 if (++this.ybase
=== this.scrollback
) {
1275 this.ybase
= this.ybase
/ 2 | 0;
1276 this.lines
= this.lines
.slice(-(this.ybase
+ this.rows
) + 1);
1279 this.ydisp
= this.ybase
;
1282 row
= this.ybase
+ this.rows
- 1;
1284 // subtract the bottom scroll region
1285 row
-= this.rows
- 1 - this.scrollBottom
;
1287 if (row
=== this.lines
.length
) {
1288 // potential optimization:
1289 // pushing is faster than splicing
1290 // when they amount to the same
1292 this.lines
.push(this.blankLine());
1295 this.lines
.splice(row
, 0, this.blankLine());
1298 if (this.scrollTop
!== 0) {
1299 if (this.ybase
!== 0) {
1301 this.ydisp
= this.ybase
;
1303 this.lines
.splice(this.ybase
+ this.scrollTop
, 1);
1307 this.updateRange(this.scrollTop
);
1308 this.updateRange(this.scrollBottom
);
1310 this.emit('scroll', this.ydisp
);
1314 * Scroll the display of the terminal
1315 * @param {number} disp The number of lines to scroll down (negatives scroll up).
1316 * @param {boolean} suppressScrollEvent Don't emit the scroll event as scrollDisp. This is used
1317 * to avoid unwanted events being handled by the veiwport when the event was triggered from the
1318 * viewport originally.
1320 Terminal
.prototype.scrollDisp = function(disp
, suppressScrollEvent
) {
1323 if (this.ydisp
> this.ybase
) {
1324 this.ydisp
= this.ybase
;
1325 } else if (this.ydisp
< 0) {
1329 if (!suppressScrollEvent
) {
1330 this.emit('scroll', this.ydisp
);
1333 this.refresh(0, this.rows
- 1);
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
.setApplicationMode(true);
1680 this.state
= normal
;
1683 // ESC > Normal Keypad (DECKPNM).
1685 this.log('Switching back to normal keypad.');
1686 this.applicationKeypad
= false;
1687 this.viewport
.setApplicationMode(false);
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
);
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
);
2931 * Make sure that the cursor stays on screen
2945 this.scrollBottom
= y
- 1;
2947 this.refresh(0, this.rows
- 1);
2951 this.emit('resize', {terminal
: this, cols
: x
, rows
: y
});
2955 * Updates the range of rows to refresh
2956 * @param {number} y The number of rows to refresh next.
2958 Terminal
.prototype.updateRange = function(y
) {
2959 if (y
< this.refreshStart
) this.refreshStart
= y
;
2960 if (y
> this.refreshEnd
) this.refreshEnd
= y
;
2961 // if (y > this.refreshEnd) {
2962 // this.refreshEnd = y;
2963 // if (y > this.rows - 1) {
2964 // this.refreshEnd = this.rows - 1;
2970 * Set the range of refreshing to the maximyum value
2972 Terminal
.prototype.maxRange = function() {
2973 this.refreshStart
= 0;
2974 this.refreshEnd
= this.rows
- 1;
2980 * Setup the tab stops.
2983 Terminal
.prototype.setupStops = function(i
) {
2985 if (!this.tabs
[i
]) {
2986 i
= this.prevStop(i
);
2993 for (; i
< this.cols
; i
+= 8) {
2994 this.tabs
[i
] = true;
3000 * Move the cursor to the previous tab stop from the given position (default is current).
3001 * @param {number} x The position to move the cursor to the previous tab stop.
3003 Terminal
.prototype.prevStop = function(x
) {
3004 if (x
== null) x
= this.x
;
3005 while (!this.tabs
[--x
] && x
> 0);
3006 return x
>= this.cols
3013 * Move the cursor one tab stop forward from the given position (default is current).
3014 * @param {number} x The position to move the cursor one tab stop forward.
3016 Terminal
.prototype.nextStop = function(x
) {
3017 if (x
== null) x
= this.x
;
3018 while (!this.tabs
[++x
] && x
< this.cols
);
3019 return x
>= this.cols
3026 * Erase in the identified line everything from "x" to the end of the line (right).
3027 * @param {number} x The column from which to start erasing to the end of the line.
3028 * @param {number} y The line in which to operate.
3030 Terminal
.prototype.eraseRight = function(x
, y
) {
3031 var line
= this.lines
[this.ybase
+ y
]
3032 , ch
= [this.eraseAttr(), ' ', 1]; // xterm
3035 for (; x
< this.cols
; x
++) {
3039 this.updateRange(y
);
3045 * Erase in the identified line everything from "x" to the start of the line (left).
3046 * @param {number} x The column from which to start erasing to the start of the line.
3047 * @param {number} y The line in which to operate.
3049 Terminal
.prototype.eraseLeft = function(x
, y
) {
3050 var line
= this.lines
[this.ybase
+ y
]
3051 , ch
= [this.eraseAttr(), ' ', 1]; // xterm
3054 while (x
--) line
[x
] = ch
;
3056 this.updateRange(y
);
3061 * Erase all content in the given line
3062 * @param {number} y The line to erase all of its contents.
3064 Terminal
.prototype.eraseLine = function(y
) {
3065 this.eraseRight(0, y
);
3070 * Return the data array of a blank line/
3071 * @param {number} cur First bunch of data for each "blank" character.
3073 Terminal
.prototype.blankLine = function(cur
) {
3078 var ch
= [attr
, ' ', 1] // width defaults to 1 halfwidth character
3082 for (; i
< this.cols
; i
++) {
3091 * If cur return the back color xterm feature attribute. Else return defAttr.
3092 * @param {object} cur
3094 Terminal
.prototype.ch = function(cur
) {
3096 ? [this.eraseAttr(), ' ', 1]
3097 : [this.defAttr
, ' ', 1];
3102 * Evaluate if the current erminal is the given argument.
3103 * @param {object} term The terminal to evaluate
3105 Terminal
.prototype.is = function(term
) {
3106 var name
= this.termName
;
3107 return (name
+ '').indexOf(term
) === 0;
3112 * Emit the 'data' event and populate the given data.
3113 * @param {string} data The data to populate in the event.
3115 Terminal
.prototype.handler = function(data
) {
3116 this.emit('data', data
);
3121 * Emit the 'title' event and populate the given title.
3122 * @param {string} title The title to populate in the event.
3124 Terminal
.prototype.handleTitle = function(title
) {
3125 this.emit('title', title
);
3134 * ESC D Index (IND is 0x84).
3136 Terminal
.prototype.index = function() {
3138 if (this.y
> this.scrollBottom
) {
3142 this.state
= normal
;
3147 * ESC M Reverse Index (RI is 0x8d).
3149 Terminal
.prototype.reverseIndex = function() {
3152 if (this.y
< this.scrollTop
) {
3154 // possibly move the code below to term.reverseScroll();
3155 // test: echo -ne '\e[1;1H\e[44m\eM\e[0m'
3156 // blankLine(true) is xterm/linux behavior
3157 this.lines
.splice(this.y
+ this.ybase
, 0, this.blankLine(true));
3158 j
= this.rows
- 1 - this.scrollBottom
;
3159 this.lines
.splice(this.rows
- 1 + this.ybase
- j
+ 1, 1);
3161 this.updateRange(this.scrollTop
);
3162 this.updateRange(this.scrollBottom
);
3164 this.state
= normal
;
3169 * ESC c Full Reset (RIS).
3171 Terminal
.prototype.reset = function() {
3172 this.options
.rows
= this.rows
;
3173 this.options
.cols
= this.cols
;
3174 var customKeydownHandler
= this.customKeydownHandler
;
3175 Terminal
.call(this, this.options
);
3176 this.customKeydownHandler
= customKeydownHandler
;
3177 this.refresh(0, this.rows
- 1);
3182 * ESC H Tab Set (HTS is 0x88).
3184 Terminal
.prototype.tabSet = function() {
3185 this.tabs
[this.x
] = true;
3186 this.state
= normal
;
3196 * Cursor Up Ps Times (default = 1) (CUU).
3198 Terminal
.prototype.cursorUp = function(params
) {
3199 var param
= params
[0];
3200 if (param
< 1) param
= 1;
3202 if (this.y
< 0) this.y
= 0;
3208 * Cursor Down Ps Times (default = 1) (CUD).
3210 Terminal
.prototype.cursorDown = function(params
) {
3211 var param
= params
[0];
3212 if (param
< 1) param
= 1;
3214 if (this.y
>= this.rows
) {
3215 this.y
= this.rows
- 1;
3222 * Cursor Forward Ps Times (default = 1) (CUF).
3224 Terminal
.prototype.cursorForward = function(params
) {
3225 var param
= params
[0];
3226 if (param
< 1) param
= 1;
3228 if (this.x
>= this.cols
) {
3229 this.x
= this.cols
- 1;
3236 * Cursor Backward Ps Times (default = 1) (CUB).
3238 Terminal
.prototype.cursorBackward = function(params
) {
3239 var param
= params
[0];
3240 if (param
< 1) param
= 1;
3242 if (this.x
< 0) this.x
= 0;
3248 * Cursor Position [row;column] (default = [1,1]) (CUP).
3250 Terminal
.prototype.cursorPos = function(params
) {
3253 row
= params
[0] - 1;
3255 if (params
.length
>= 2) {
3256 col
= params
[1] - 1;
3263 } else if (row
>= this.rows
) {
3264 row
= this.rows
- 1;
3269 } else if (col
>= this.cols
) {
3270 col
= this.cols
- 1;
3279 * CSI Ps J Erase in Display (ED).
3280 * Ps = 0 -> Erase Below (default).
3281 * Ps = 1 -> Erase Above.
3282 * Ps = 2 -> Erase All.
3283 * Ps = 3 -> Erase Saved Lines (xterm).
3285 * Erase in Display (DECSED).
3286 * Ps = 0 -> Selective Erase Below (default).
3287 * Ps = 1 -> Selective Erase Above.
3288 * Ps = 2 -> Selective Erase All.
3290 Terminal
.prototype.eraseInDisplay = function(params
) {
3292 switch (params
[0]) {
3294 this.eraseRight(this.x
, this.y
);
3296 for (; j
< this.rows
; j
++) {
3301 this.eraseLeft(this.x
, this.y
);
3309 while (j
--) this.eraseLine(j
);
3319 * CSI Ps K Erase in Line (EL).
3320 * Ps = 0 -> Erase to Right (default).
3321 * Ps = 1 -> Erase to Left.
3322 * Ps = 2 -> Erase All.
3324 * Erase in Line (DECSEL).
3325 * Ps = 0 -> Selective Erase to Right (default).
3326 * Ps = 1 -> Selective Erase to Left.
3327 * Ps = 2 -> Selective Erase All.
3329 Terminal
.prototype.eraseInLine = function(params
) {
3330 switch (params
[0]) {
3332 this.eraseRight(this.x
, this.y
);
3335 this.eraseLeft(this.x
, this.y
);
3338 this.eraseLine(this.y
);
3345 * CSI Pm m Character Attributes (SGR).
3346 * Ps = 0 -> Normal (default).
3348 * Ps = 4 -> Underlined.
3349 * Ps = 5 -> Blink (appears as Bold).
3350 * Ps = 7 -> Inverse.
3351 * Ps = 8 -> Invisible, i.e., hidden (VT300).
3352 * Ps = 2 2 -> Normal (neither bold nor faint).
3353 * Ps = 2 4 -> Not underlined.
3354 * Ps = 2 5 -> Steady (not blinking).
3355 * Ps = 2 7 -> Positive (not inverse).
3356 * Ps = 2 8 -> Visible, i.e., not hidden (VT300).
3357 * Ps = 3 0 -> Set foreground color to Black.
3358 * Ps = 3 1 -> Set foreground color to Red.
3359 * Ps = 3 2 -> Set foreground color to Green.
3360 * Ps = 3 3 -> Set foreground color to Yellow.
3361 * Ps = 3 4 -> Set foreground color to Blue.
3362 * Ps = 3 5 -> Set foreground color to Magenta.
3363 * Ps = 3 6 -> Set foreground color to Cyan.
3364 * Ps = 3 7 -> Set foreground color to White.
3365 * Ps = 3 9 -> Set foreground color to default (original).
3366 * Ps = 4 0 -> Set background color to Black.
3367 * Ps = 4 1 -> Set background color to Red.
3368 * Ps = 4 2 -> Set background color to Green.
3369 * Ps = 4 3 -> Set background color to Yellow.
3370 * Ps = 4 4 -> Set background color to Blue.
3371 * Ps = 4 5 -> Set background color to Magenta.
3372 * Ps = 4 6 -> Set background color to Cyan.
3373 * Ps = 4 7 -> Set background color to White.
3374 * Ps = 4 9 -> Set background color to default (original).
3376 * If 16-color support is compiled, the following apply. Assume
3377 * that xterm's resources are set so that the ISO color codes are
3378 * the first 8 of a set of 16. Then the aixterm colors are the
3379 * bright versions of the ISO colors:
3380 * Ps = 9 0 -> Set foreground color to Black.
3381 * Ps = 9 1 -> Set foreground color to Red.
3382 * Ps = 9 2 -> Set foreground color to Green.
3383 * Ps = 9 3 -> Set foreground color to Yellow.
3384 * Ps = 9 4 -> Set foreground color to Blue.
3385 * Ps = 9 5 -> Set foreground color to Magenta.
3386 * Ps = 9 6 -> Set foreground color to Cyan.
3387 * Ps = 9 7 -> Set foreground color to White.
3388 * Ps = 1 0 0 -> Set background color to Black.
3389 * Ps = 1 0 1 -> Set background color to Red.
3390 * Ps = 1 0 2 -> Set background color to Green.
3391 * Ps = 1 0 3 -> Set background color to Yellow.
3392 * Ps = 1 0 4 -> Set background color to Blue.
3393 * Ps = 1 0 5 -> Set background color to Magenta.
3394 * Ps = 1 0 6 -> Set background color to Cyan.
3395 * Ps = 1 0 7 -> Set background color to White.
3397 * If xterm is compiled with the 16-color support disabled, it
3398 * supports the following, from rxvt:
3399 * Ps = 1 0 0 -> Set foreground and background color to
3402 * If 88- or 256-color support is compiled, the following apply.
3403 * Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second
3405 * Ps = 4 8 ; 5 ; Ps -> Set background color to the second
3408 Terminal
.prototype.charAttributes = function(params
) {
3409 // Optimize a single SGR0.
3410 if (params
.length
=== 1 && params
[0] === 0) {
3411 this.curAttr
= this.defAttr
;
3415 var l
= params
.length
3417 , flags
= this.curAttr
>> 18
3418 , fg
= (this.curAttr
>> 9) & 0x1ff
3419 , bg
= this.curAttr
& 0x1ff
3422 for (; i
< l
; i
++) {
3424 if (p
>= 30 && p
<= 37) {
3427 } else if (p
>= 40 && p
<= 47) {
3430 } else if (p
>= 90 && p
<= 97) {
3434 } else if (p
>= 100 && p
<= 107) {
3438 } else if (p
=== 0) {
3440 flags
= this.defAttr
>> 18;
3441 fg
= (this.defAttr
>> 9) & 0x1ff;
3442 bg
= this.defAttr
& 0x1ff;
3446 } else if (p
=== 1) {
3449 } else if (p
=== 4) {
3452 } else if (p
=== 5) {
3455 } else if (p
=== 7) {
3456 // inverse and positive
3457 // test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m'
3459 } else if (p
=== 8) {
3462 } else if (p
=== 22) {
3465 } else if (p
=== 24) {
3468 } else if (p
=== 25) {
3471 } else if (p
=== 27) {
3474 } else if (p
=== 28) {
3477 } else if (p
=== 39) {
3479 fg
= (this.defAttr
>> 9) & 0x1ff;
3480 } else if (p
=== 49) {
3482 bg
= this.defAttr
& 0x1ff;
3483 } else if (p
=== 38) {
3485 if (params
[i
+ 1] === 2) {
3489 params
[i
+ 1] & 0xff,
3490 params
[i
+ 2] & 0xff);
3491 if (fg
=== -1) fg
= 0x1ff;
3493 } else if (params
[i
+ 1] === 5) {
3495 p
= params
[i
] & 0xff;
3498 } else if (p
=== 48) {
3500 if (params
[i
+ 1] === 2) {
3504 params
[i
+ 1] & 0xff,
3505 params
[i
+ 2] & 0xff);
3506 if (bg
=== -1) bg
= 0x1ff;
3508 } else if (params
[i
+ 1] === 5) {
3510 p
= params
[i
] & 0xff;
3513 } else if (p
=== 100) {
3515 fg
= (this.defAttr
>> 9) & 0x1ff;
3516 bg
= this.defAttr
& 0x1ff;
3518 this.error('Unknown SGR attribute: %d.', p
);
3522 this.curAttr
= (flags
<< 18) | (fg
<< 9) | bg
;
3527 * CSI Ps n Device Status Report (DSR).
3528 * Ps = 5 -> Status Report. Result (``OK'') is
3530 * Ps = 6 -> Report Cursor Position (CPR) [row;column].
3534 * Device Status Report (DSR, DEC-specific).
3535 * Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI
3536 * ? r ; c R (assumes page is zero).
3537 * Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready).
3538 * or CSI ? 1 1 n (not ready).
3539 * Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked)
3540 * or CSI ? 2 1 n (locked).
3541 * Ps = 2 6 -> Report Keyboard status as
3542 * CSI ? 2 7 ; 1 ; 0 ; 0 n (North American).
3543 * The last two parameters apply to VT400 & up, and denote key-
3544 * board ready and LK01 respectively.
3545 * Ps = 5 3 -> Report Locator status as
3546 * CSI ? 5 3 n Locator available, if compiled-in, or
3547 * CSI ? 5 0 n No Locator, if not.
3549 Terminal
.prototype.deviceStatus = function(params
) {
3551 switch (params
[0]) {
3554 this.send('\x1b[0n');
3565 } else if (this.prefix
=== '?') {
3566 // modern xterm doesnt seem to
3567 // respond to any of these except ?6, 6, and 5
3568 switch (params
[0]) {
3579 // this.send('\x1b[?11n');
3582 // dont support user defined keys
3583 // this.send('\x1b[?21n');
3586 // north american keyboard
3587 // this.send('\x1b[?27;1;0;0n');
3590 // no dec locator/mouse
3591 // this.send('\x1b[?50n');
3604 * Insert Ps (Blank) Character(s) (default = 1) (ICH).
3606 Terminal
.prototype.insertChars = function(params
) {
3607 var param
, row
, j
, ch
;
3610 if (param
< 1) param
= 1;
3612 row
= this.y
+ this.ybase
;
3614 ch
= [this.eraseAttr(), ' ', 1]; // xterm
3616 while (param
-- && j
< this.cols
) {
3617 this.lines
[row
].splice(j
++, 0, ch
);
3618 this.lines
[row
].pop();
3624 * Cursor Next Line Ps Times (default = 1) (CNL).
3625 * same as CSI Ps B ?
3627 Terminal
.prototype.cursorNextLine = function(params
) {
3628 var param
= params
[0];
3629 if (param
< 1) param
= 1;
3631 if (this.y
>= this.rows
) {
3632 this.y
= this.rows
- 1;
3640 * Cursor Preceding Line Ps Times (default = 1) (CNL).
3643 Terminal
.prototype.cursorPrecedingLine = function(params
) {
3644 var param
= params
[0];
3645 if (param
< 1) param
= 1;
3647 if (this.y
< 0) this.y
= 0;
3654 * Cursor Character Absolute [column] (default = [row,1]) (CHA).
3656 Terminal
.prototype.cursorCharAbsolute = function(params
) {
3657 var param
= params
[0];
3658 if (param
< 1) param
= 1;
3665 * Insert Ps Line(s) (default = 1) (IL).
3667 Terminal
.prototype.insertLines = function(params
) {
3671 if (param
< 1) param
= 1;
3672 row
= this.y
+ this.ybase
;
3674 j
= this.rows
- 1 - this.scrollBottom
;
3675 j
= this.rows
- 1 + this.ybase
- j
+ 1;
3678 // test: echo -e '\e[44m\e[1L\e[0m'
3679 // blankLine(true) - xterm/linux behavior
3680 this.lines
.splice(row
, 0, this.blankLine(true));
3681 this.lines
.splice(j
, 1);
3685 this.updateRange(this.y
);
3686 this.updateRange(this.scrollBottom
);
3692 * Delete Ps Line(s) (default = 1) (DL).
3694 Terminal
.prototype.deleteLines = function(params
) {
3698 if (param
< 1) param
= 1;
3699 row
= this.y
+ this.ybase
;
3701 j
= this.rows
- 1 - this.scrollBottom
;
3702 j
= this.rows
- 1 + this.ybase
- j
;
3705 // test: echo -e '\e[44m\e[1M\e[0m'
3706 // blankLine(true) - xterm/linux behavior
3707 this.lines
.splice(j
+ 1, 0, this.blankLine(true));
3708 this.lines
.splice(row
, 1);
3712 this.updateRange(this.y
);
3713 this.updateRange(this.scrollBottom
);
3719 * Delete Ps Character(s) (default = 1) (DCH).
3721 Terminal
.prototype.deleteChars = function(params
) {
3725 if (param
< 1) param
= 1;
3727 row
= this.y
+ this.ybase
;
3728 ch
= [this.eraseAttr(), ' ', 1]; // xterm
3731 this.lines
[row
].splice(this.x
, 1);
3732 this.lines
[row
].push(ch
);
3738 * Erase Ps Character(s) (default = 1) (ECH).
3740 Terminal
.prototype.eraseChars = function(params
) {
3741 var param
, row
, j
, ch
;
3744 if (param
< 1) param
= 1;
3746 row
= this.y
+ this.ybase
;
3748 ch
= [this.eraseAttr(), ' ', 1]; // xterm
3750 while (param
-- && j
< this.cols
) {
3751 this.lines
[row
][j
++] = ch
;
3756 * CSI Pm ` Character Position Absolute
3757 * [column] (default = [row,1]) (HPA).
3759 Terminal
.prototype.charPosAbsolute = function(params
) {
3760 var param
= params
[0];
3761 if (param
< 1) param
= 1;
3763 if (this.x
>= this.cols
) {
3764 this.x
= this.cols
- 1;
3771 * Horizontal Position Relative
3774 Terminal
.prototype.HPositionRelative = function(params
) {
3775 var param
= params
[0];
3776 if (param
< 1) param
= 1;
3778 if (this.x
>= this.cols
) {
3779 this.x
= this.cols
- 1;
3785 * CSI Ps c Send Device Attributes (Primary DA).
3786 * Ps = 0 or omitted -> request attributes from terminal. The
3787 * response depends on the decTerminalID resource setting.
3788 * -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'')
3789 * -> CSI ? 1 ; 0 c (``VT101 with No Options'')
3790 * -> CSI ? 6 c (``VT102'')
3791 * -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'')
3792 * The VT100-style response parameters do not mean anything by
3793 * themselves. VT220 parameters do, telling the host what fea-
3794 * tures the terminal supports:
3795 * Ps = 1 -> 132-columns.
3796 * Ps = 2 -> Printer.
3797 * Ps = 6 -> Selective erase.
3798 * Ps = 8 -> User-defined keys.
3799 * Ps = 9 -> National replacement character sets.
3800 * Ps = 1 5 -> Technical characters.
3801 * Ps = 2 2 -> ANSI color, e.g., VT525.
3802 * Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode).
3804 * Send Device Attributes (Secondary DA).
3805 * Ps = 0 or omitted -> request the terminal's identification
3806 * code. The response depends on the decTerminalID resource set-
3807 * ting. It should apply only to VT220 and up, but xterm extends
3809 * -> CSI > Pp ; Pv ; Pc c
3810 * where Pp denotes the terminal type
3811 * Pp = 0 -> ``VT100''.
3812 * Pp = 1 -> ``VT220''.
3813 * and Pv is the firmware version (for xterm, this was originally
3814 * the XFree86 patch number, starting with 95). In a DEC termi-
3815 * nal, Pc indicates the ROM cartridge registration number and is
3818 * xterm/charproc.c - line 2012, for more information.
3819 * vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)
3821 Terminal
.prototype.sendDeviceAttributes = function(params
) {
3822 if (params
[0] > 0) return;
3825 if (this.is('xterm')
3826 || this.is('rxvt-unicode')
3827 || this.is('screen')) {
3828 this.send('\x1b[?1;2c');
3829 } else if (this.is('linux')) {
3830 this.send('\x1b[?6c');
3832 } else if (this.prefix
=== '>') {
3834 // seem to spit this
3835 // out around ~370 times (?).
3836 if (this.is('xterm')) {
3837 this.send('\x1b[>0;276;0c');
3838 } else if (this.is('rxvt-unicode')) {
3839 this.send('\x1b[>85;95;0c');
3840 } else if (this.is('linux')) {
3841 // not supported by linux console.
3842 // linux console echoes parameters.
3843 this.send(params
[0] + 'c');
3844 } else if (this.is('screen')) {
3845 this.send('\x1b[>83;40003;0c');
3853 * Line Position Absolute [row] (default = [1,column]) (VPA).
3855 Terminal
.prototype.linePosAbsolute = function(params
) {
3856 var param
= params
[0];
3857 if (param
< 1) param
= 1;
3859 if (this.y
>= this.rows
) {
3860 this.y
= this.rows
- 1;
3866 * 145 65 e * VPR - Vertical Position Relative
3869 Terminal
.prototype.VPositionRelative = function(params
) {
3870 var param
= params
[0];
3871 if (param
< 1) param
= 1;
3873 if (this.y
>= this.rows
) {
3874 this.y
= this.rows
- 1;
3881 * Horizontal and Vertical Position [row;column] (default =
3884 Terminal
.prototype.HVPosition = function(params
) {
3885 if (params
[0] < 1) params
[0] = 1;
3886 if (params
[1] < 1) params
[1] = 1;
3888 this.y
= params
[0] - 1;
3889 if (this.y
>= this.rows
) {
3890 this.y
= this.rows
- 1;
3893 this.x
= params
[1] - 1;
3894 if (this.x
>= this.cols
) {
3895 this.x
= this.cols
- 1;
3901 * CSI Pm h Set Mode (SM).
3902 * Ps = 2 -> Keyboard Action Mode (AM).
3903 * Ps = 4 -> Insert Mode (IRM).
3904 * Ps = 1 2 -> Send/receive (SRM).
3905 * Ps = 2 0 -> Automatic Newline (LNM).
3907 * DEC Private Mode Set (DECSET).
3908 * Ps = 1 -> Application Cursor Keys (DECCKM).
3909 * Ps = 2 -> Designate USASCII for character sets G0-G3
3910 * (DECANM), and set VT100 mode.
3911 * Ps = 3 -> 132 Column Mode (DECCOLM).
3912 * Ps = 4 -> Smooth (Slow) Scroll (DECSCLM).
3913 * Ps = 5 -> Reverse Video (DECSCNM).
3914 * Ps = 6 -> Origin Mode (DECOM).
3915 * Ps = 7 -> Wraparound Mode (DECAWM).
3916 * Ps = 8 -> Auto-repeat Keys (DECARM).
3917 * Ps = 9 -> Send Mouse X & Y on button press. See the sec-
3918 * tion Mouse Tracking.
3919 * Ps = 1 0 -> Show toolbar (rxvt).
3920 * Ps = 1 2 -> Start Blinking Cursor (att610).
3921 * Ps = 1 8 -> Print form feed (DECPFF).
3922 * Ps = 1 9 -> Set print extent to full screen (DECPEX).
3923 * Ps = 2 5 -> Show Cursor (DECTCEM).
3924 * Ps = 3 0 -> Show scrollbar (rxvt).
3925 * Ps = 3 5 -> Enable font-shifting functions (rxvt).
3926 * Ps = 3 8 -> Enter Tektronix Mode (DECTEK).
3927 * Ps = 4 0 -> Allow 80 -> 132 Mode.
3928 * Ps = 4 1 -> more(1) fix (see curses resource).
3929 * Ps = 4 2 -> Enable Nation Replacement Character sets (DECN-
3931 * Ps = 4 4 -> Turn On Margin Bell.
3932 * Ps = 4 5 -> Reverse-wraparound Mode.
3933 * Ps = 4 6 -> Start Logging. This is normally disabled by a
3934 * compile-time option.
3935 * Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis-
3936 * abled by the titeInhibit resource).
3937 * Ps = 6 6 -> Application keypad (DECNKM).
3938 * Ps = 6 7 -> Backarrow key sends backspace (DECBKM).
3939 * Ps = 1 0 0 0 -> Send Mouse X & Y on button press and
3940 * release. See the section Mouse Tracking.
3941 * Ps = 1 0 0 1 -> Use Hilite Mouse Tracking.
3942 * Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking.
3943 * Ps = 1 0 0 3 -> Use All Motion Mouse Tracking.
3944 * Ps = 1 0 0 4 -> Send FocusIn/FocusOut events.
3945 * Ps = 1 0 0 5 -> Enable Extended Mouse Mode.
3946 * Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt).
3947 * Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt).
3948 * Ps = 1 0 3 4 -> Interpret "meta" key, sets eighth bit.
3949 * (enables the eightBitInput resource).
3950 * Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num-
3951 * Lock keys. (This enables the numLock resource).
3952 * Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This
3953 * enables the metaSendsEscape resource).
3954 * Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete
3956 * Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This
3957 * enables the altSendsEscape resource).
3958 * Ps = 1 0 4 0 -> Keep selection even if not highlighted.
3959 * (This enables the keepSelection resource).
3960 * Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables
3961 * the selectToClipboard resource).
3962 * Ps = 1 0 4 2 -> Enable Urgency window manager hint when
3963 * Control-G is received. (This enables the bellIsUrgent
3965 * Ps = 1 0 4 3 -> Enable raising of the window when Control-G
3966 * is received. (enables the popOnBell resource).
3967 * Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be
3968 * disabled by the titeInhibit resource).
3969 * Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis-
3970 * abled by the titeInhibit resource).
3971 * Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate
3972 * Screen Buffer, clearing it first. (This may be disabled by
3973 * the titeInhibit resource). This combines the effects of the 1
3974 * 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based
3975 * applications rather than the 4 7 mode.
3976 * Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode.
3977 * Ps = 1 0 5 1 -> Set Sun function-key mode.
3978 * Ps = 1 0 5 2 -> Set HP function-key mode.
3979 * Ps = 1 0 5 3 -> Set SCO function-key mode.
3980 * Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6).
3981 * Ps = 1 0 6 1 -> Set VT220 keyboard emulation.
3982 * Ps = 2 0 0 4 -> Set bracketed paste mode.
3984 * http: *vt100.net/docs/vt220-rm/chapter4.html
3986 Terminal
.prototype.setMode = function(params
) {
3987 if (typeof params
=== 'object') {
3988 var l
= params
.length
3991 for (; i
< l
; i
++) {
3992 this.setMode(params
[i
]);
4001 this.insertMode
= true;
4004 //this.convertEol = true;
4007 } else if (this.prefix
=== '?') {
4010 this.applicationCursor
= true;
4013 this.setgCharset(0, Terminal
.charsets
.US
);
4014 this.setgCharset(1, Terminal
.charsets
.US
);
4015 this.setgCharset(2, Terminal
.charsets
.US
);
4016 this.setgCharset(3, Terminal
.charsets
.US
);
4017 // set VT100 mode here
4019 case 3: // 132 col mode
4020 this.savedCols
= this.cols
;
4021 this.resize(132, this.rows
);
4024 this.originMode
= true;
4027 this.wraparoundMode
= true;
4030 // this.cursorBlink = true;
4033 this.log('Serial port requested application keypad.');
4034 this.applicationKeypad
= true;
4035 this.viewport
.setApplicationMode(true);
4037 case 9: // X10 Mouse
4038 // no release, no motion, no wheel, no modifiers.
4039 case 1000: // vt200 mouse
4041 // no modifiers, except control on the wheel.
4042 case 1002: // button event mouse
4043 case 1003: // any event mouse
4044 // any event - sends motion events,
4045 // even if there is no button held down.
4046 this.x10Mouse
= params
=== 9;
4047 this.vt200Mouse
= params
=== 1000;
4048 this.normalMouse
= params
> 1000;
4049 this.mouseEvents
= true;
4050 this.element
.style
.cursor
= 'default';
4051 this.log('Binding to mouse events.');
4053 case 1004: // send focusin/focusout events
4056 this.sendFocus
= true;
4058 case 1005: // utf8 ext mode mouse
4059 this.utfMouse
= true;
4060 // for wide terminals
4061 // simply encodes large values as utf8 characters
4063 case 1006: // sgr ext mode mouse
4064 this.sgrMouse
= true;
4065 // for wide terminals
4066 // does not add 32 to fields
4067 // press: ^[[<b;x;yM
4068 // release: ^[[<b;x;ym
4070 case 1015: // urxvt ext mode mouse
4071 this.urxvtMouse
= true;
4072 // for wide terminals
4073 // numbers for fields
4075 // motion: ^[[b;x;yT
4077 case 25: // show cursor
4078 this.cursorHidden
= false;
4080 case 1049: // alt screen buffer cursor
4081 //this.saveCursor();
4083 case 47: // alt screen buffer
4084 case 1047: // alt screen buffer
4092 scrollTop
: this.scrollTop
,
4093 scrollBottom
: this.scrollBottom
,
4095 // XXX save charset(s) here?
4096 // charset: this.charset,
4097 // glevel: this.glevel,
4098 // charsets: this.charsets
4101 this.normal
= normal
;
4110 * CSI Pm l Reset Mode (RM).
4111 * Ps = 2 -> Keyboard Action Mode (AM).
4112 * Ps = 4 -> Replace Mode (IRM).
4113 * Ps = 1 2 -> Send/receive (SRM).
4114 * Ps = 2 0 -> Normal Linefeed (LNM).
4116 * DEC Private Mode Reset (DECRST).
4117 * Ps = 1 -> Normal Cursor Keys (DECCKM).
4118 * Ps = 2 -> Designate VT52 mode (DECANM).
4119 * Ps = 3 -> 80 Column Mode (DECCOLM).
4120 * Ps = 4 -> Jump (Fast) Scroll (DECSCLM).
4121 * Ps = 5 -> Normal Video (DECSCNM).
4122 * Ps = 6 -> Normal Cursor Mode (DECOM).
4123 * Ps = 7 -> No Wraparound Mode (DECAWM).
4124 * Ps = 8 -> No Auto-repeat Keys (DECARM).
4125 * Ps = 9 -> Don't send Mouse X & Y on button press.
4126 * Ps = 1 0 -> Hide toolbar (rxvt).
4127 * Ps = 1 2 -> Stop Blinking Cursor (att610).
4128 * Ps = 1 8 -> Don't print form feed (DECPFF).
4129 * Ps = 1 9 -> Limit print to scrolling region (DECPEX).
4130 * Ps = 2 5 -> Hide Cursor (DECTCEM).
4131 * Ps = 3 0 -> Don't show scrollbar (rxvt).
4132 * Ps = 3 5 -> Disable font-shifting functions (rxvt).
4133 * Ps = 4 0 -> Disallow 80 -> 132 Mode.
4134 * Ps = 4 1 -> No more(1) fix (see curses resource).
4135 * Ps = 4 2 -> Disable Nation Replacement Character sets (DEC-
4137 * Ps = 4 4 -> Turn Off Margin Bell.
4138 * Ps = 4 5 -> No Reverse-wraparound Mode.
4139 * Ps = 4 6 -> Stop Logging. (This is normally disabled by a
4140 * compile-time option).
4141 * Ps = 4 7 -> Use Normal Screen Buffer.
4142 * Ps = 6 6 -> Numeric keypad (DECNKM).
4143 * Ps = 6 7 -> Backarrow key sends delete (DECBKM).
4144 * Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and
4145 * release. See the section Mouse Tracking.
4146 * Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking.
4147 * Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking.
4148 * Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking.
4149 * Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events.
4150 * Ps = 1 0 0 5 -> Disable Extended Mouse Mode.
4151 * Ps = 1 0 1 0 -> Don't scroll to bottom on tty output
4153 * Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt).
4154 * Ps = 1 0 3 4 -> Don't interpret "meta" key. (This disables
4155 * the eightBitInput resource).
4156 * Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num-
4157 * Lock keys. (This disables the numLock resource).
4158 * Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key.
4159 * (This disables the metaSendsEscape resource).
4160 * Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad
4162 * Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key.
4163 * (This disables the altSendsEscape resource).
4164 * Ps = 1 0 4 0 -> Do not keep selection when not highlighted.
4165 * (This disables the keepSelection resource).
4166 * Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables
4167 * the selectToClipboard resource).
4168 * Ps = 1 0 4 2 -> Disable Urgency window manager hint when
4169 * Control-G is received. (This disables the bellIsUrgent
4171 * Ps = 1 0 4 3 -> Disable raising of the window when Control-
4172 * G is received. (This disables the popOnBell resource).
4173 * Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen
4174 * first if in the Alternate Screen. (This may be disabled by
4175 * the titeInhibit resource).
4176 * Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be
4177 * disabled by the titeInhibit resource).
4178 * Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor
4179 * as in DECRC. (This may be disabled by the titeInhibit
4180 * resource). This combines the effects of the 1 0 4 7 and 1 0
4181 * 4 8 modes. Use this with terminfo-based applications rather
4182 * than the 4 7 mode.
4183 * Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode.
4184 * Ps = 1 0 5 1 -> Reset Sun function-key mode.
4185 * Ps = 1 0 5 2 -> Reset HP function-key mode.
4186 * Ps = 1 0 5 3 -> Reset SCO function-key mode.
4187 * Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6).
4188 * Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style.
4189 * Ps = 2 0 0 4 -> Reset bracketed paste mode.
4191 Terminal
.prototype.resetMode = function(params
) {
4192 if (typeof params
=== 'object') {
4193 var l
= params
.length
4196 for (; i
< l
; i
++) {
4197 this.resetMode(params
[i
]);
4206 this.insertMode
= false;
4209 //this.convertEol = false;
4212 } else if (this.prefix
=== '?') {
4215 this.applicationCursor
= false;
4218 if (this.cols
=== 132 && this.savedCols
) {
4219 this.resize(this.savedCols
, this.rows
);
4221 delete this.savedCols
;
4224 this.originMode
= false;
4227 this.wraparoundMode
= false;
4230 // this.cursorBlink = false;
4233 this.log('Switching back to normal keypad.');
4234 this.applicationKeypad
= false;
4235 this.viewport
.setApplicationMode(false);
4237 case 9: // X10 Mouse
4238 case 1000: // vt200 mouse
4239 case 1002: // button event mouse
4240 case 1003: // any event mouse
4241 this.x10Mouse
= false;
4242 this.vt200Mouse
= false;
4243 this.normalMouse
= false;
4244 this.mouseEvents
= false;
4245 this.element
.style
.cursor
= '';
4247 case 1004: // send focusin/focusout events
4248 this.sendFocus
= false;
4250 case 1005: // utf8 ext mode mouse
4251 this.utfMouse
= false;
4253 case 1006: // sgr ext mode mouse
4254 this.sgrMouse
= false;
4256 case 1015: // urxvt ext mode mouse
4257 this.urxvtMouse
= false;
4259 case 25: // hide cursor
4260 this.cursorHidden
= true;
4262 case 1049: // alt screen buffer cursor
4264 case 47: // normal screen buffer
4265 case 1047: // normal screen buffer - clearing it first
4267 this.lines
= this.normal
.lines
;
4268 this.ybase
= this.normal
.ybase
;
4269 this.ydisp
= this.normal
.ydisp
;
4270 this.x
= this.normal
.x
;
4271 this.y
= this.normal
.y
;
4272 this.scrollTop
= this.normal
.scrollTop
;
4273 this.scrollBottom
= this.normal
.scrollBottom
;
4274 this.tabs
= this.normal
.tabs
;
4276 // if (params === 1049) {
4277 // this.x = this.savedX;
4278 // this.y = this.savedY;
4280 this.refresh(0, this.rows
- 1);
4291 * Set Scrolling Region [top;bottom] (default = full size of win-
4295 Terminal
.prototype.setScrollRegion = function(params
) {
4296 if (this.prefix
) return;
4297 this.scrollTop
= (params
[0] || 1) - 1;
4298 this.scrollBottom
= (params
[1] || this.rows
) - 1;
4306 * Save cursor (ANSI.SYS).
4308 Terminal
.prototype.saveCursor = function(params
) {
4309 this.savedX
= this.x
;
4310 this.savedY
= this.y
;
4316 * Restore cursor (ANSI.SYS).
4318 Terminal
.prototype.restoreCursor = function(params
) {
4319 this.x
= this.savedX
|| 0;
4320 this.y
= this.savedY
|| 0;
4330 * Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
4332 Terminal
.prototype.cursorForwardTab = function(params
) {
4333 var param
= params
[0] || 1;
4335 this.x
= this.nextStop();
4341 * CSI Ps S Scroll up Ps lines (default = 1) (SU).
4343 Terminal
.prototype.scrollUp = function(params
) {
4344 var param
= params
[0] || 1;
4346 this.lines
.splice(this.ybase
+ this.scrollTop
, 1);
4347 this.lines
.splice(this.ybase
+ this.scrollBottom
, 0, this.blankLine());
4350 this.updateRange(this.scrollTop
);
4351 this.updateRange(this.scrollBottom
);
4356 * CSI Ps T Scroll down Ps lines (default = 1) (SD).
4358 Terminal
.prototype.scrollDown = function(params
) {
4359 var param
= params
[0] || 1;
4361 this.lines
.splice(this.ybase
+ this.scrollBottom
, 1);
4362 this.lines
.splice(this.ybase
+ this.scrollTop
, 0, this.blankLine());
4365 this.updateRange(this.scrollTop
);
4366 this.updateRange(this.scrollBottom
);
4371 * CSI Ps ; Ps ; Ps ; Ps ; Ps T
4372 * Initiate highlight mouse tracking. Parameters are
4373 * [func;startx;starty;firstrow;lastrow]. See the section Mouse
4376 Terminal
.prototype.initMouseTracking = function(params
) {
4377 // Relevant: DECSET 1001
4383 * Reset one or more features of the title modes to the default
4384 * value. Normally, "reset" disables the feature. It is possi-
4385 * ble to disable the ability to reset features by compiling a
4386 * different default for the title modes into xterm.
4387 * Ps = 0 -> Do not set window/icon labels using hexadecimal.
4388 * Ps = 1 -> Do not query window/icon labels using hexadeci-
4390 * Ps = 2 -> Do not set window/icon labels using UTF-8.
4391 * Ps = 3 -> Do not query window/icon labels using UTF-8.
4392 * (See discussion of "Title Modes").
4394 Terminal
.prototype.resetTitleModes = function(params
) {
4400 * CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
4402 Terminal
.prototype.cursorBackwardTab = function(params
) {
4403 var param
= params
[0] || 1;
4405 this.x
= this.prevStop();
4411 * CSI Ps b Repeat the preceding graphic character Ps times (REP).
4413 Terminal
.prototype.repeatPrecedingCharacter = function(params
) {
4414 var param
= params
[0] || 1
4415 , line
= this.lines
[this.ybase
+ this.y
]
4416 , ch
= line
[this.x
- 1] || [this.defAttr
, ' ', 1];
4418 while (param
--) line
[this.x
++] = ch
;
4423 * CSI Ps g Tab Clear (TBC).
4424 * Ps = 0 -> Clear Current Column (default).
4425 * Ps = 3 -> Clear All.
4427 * Ps = 2 -> Clear Stops on Line.
4428 * http://vt100.net/annarbor/aaa-ug/section6.html
4430 Terminal
.prototype.tabClear = function(params
) {
4431 var param
= params
[0];
4433 delete this.tabs
[this.x
];
4434 } else if (param
=== 3) {
4441 * CSI Pm i Media Copy (MC).
4442 * Ps = 0 -> Print screen (default).
4443 * Ps = 4 -> Turn off printer controller mode.
4444 * Ps = 5 -> Turn on printer controller mode.
4446 * Media Copy (MC, DEC-specific).
4447 * Ps = 1 -> Print line containing cursor.
4448 * Ps = 4 -> Turn off autoprint mode.
4449 * Ps = 5 -> Turn on autoprint mode.
4450 * Ps = 1 0 -> Print composed display, ignores DECPEX.
4451 * Ps = 1 1 -> Print all pages.
4453 Terminal
.prototype.mediaCopy = function(params
) {
4460 * Set or reset resource-values used by xterm to decide whether
4461 * to construct escape sequences holding information about the
4462 * modifiers pressed with a given key. The first parameter iden-
4463 * tifies the resource to set/reset. The second parameter is the
4464 * value to assign to the resource. If the second parameter is
4465 * omitted, the resource is reset to its initial value.
4466 * Ps = 1 -> modifyCursorKeys.
4467 * Ps = 2 -> modifyFunctionKeys.
4468 * Ps = 4 -> modifyOtherKeys.
4469 * If no parameters are given, all resources are reset to their
4472 Terminal
.prototype.setResources = function(params
) {
4479 * Disable modifiers which may be enabled via the CSI > Ps; Ps m
4480 * sequence. This corresponds to a resource value of "-1", which
4481 * cannot be set with the other sequence. The parameter identi-
4482 * fies the resource to be disabled:
4483 * Ps = 1 -> modifyCursorKeys.
4484 * Ps = 2 -> modifyFunctionKeys.
4485 * Ps = 4 -> modifyOtherKeys.
4486 * If the parameter is omitted, modifyFunctionKeys is disabled.
4487 * When modifyFunctionKeys is disabled, xterm uses the modifier
4488 * keys to make an extended sequence of functions rather than
4489 * adding a parameter to each function key to denote the modi-
4492 Terminal
.prototype.disableModifiers = function(params
) {
4499 * Set resource value pointerMode. This is used by xterm to
4500 * decide whether to hide the pointer cursor as the user types.
4501 * Valid values for the parameter:
4502 * Ps = 0 -> never hide the pointer.
4503 * Ps = 1 -> hide if the mouse tracking mode is not enabled.
4504 * Ps = 2 -> always hide the pointer. If no parameter is
4505 * given, xterm uses the default, which is 1 .
4507 Terminal
.prototype.setPointerMode = function(params
) {
4513 * CSI ! p Soft terminal reset (DECSTR).
4514 * http://vt100.net/docs/vt220-rm/table4-10.html
4516 Terminal
.prototype.softReset = function(params
) {
4517 this.cursorHidden
= false;
4518 this.insertMode
= false;
4519 this.originMode
= false;
4520 this.wraparoundMode
= false; // autowrap
4521 this.applicationKeypad
= false; // ?
4522 this.viewport
.setApplicationMode(false);
4523 this.applicationCursor
= false;
4525 this.scrollBottom
= this.rows
- 1;
4526 this.curAttr
= this.defAttr
;
4527 this.x
= this.y
= 0; // ?
4528 this.charset
= null;
4529 this.glevel
= 0; // ??
4530 this.charsets
= [null]; // ??
4536 * Request ANSI mode (DECRQM). For VT300 and up, reply is
4538 * where Ps is the mode number as in RM, and Pm is the mode
4540 * 0 - not recognized
4543 * 3 - permanently set
4544 * 4 - permanently reset
4546 Terminal
.prototype.requestAnsiMode = function(params
) {
4553 * Request DEC private mode (DECRQM). For VT300 and up, reply is
4555 * where Ps is the mode number as in DECSET, Pm is the mode value
4556 * as in the ANSI DECRQM.
4558 Terminal
.prototype.requestPrivateMode = function(params
) {
4565 * Set conformance level (DECSCL). Valid values for the first
4567 * Ps = 6 1 -> VT100.
4568 * Ps = 6 2 -> VT200.
4569 * Ps = 6 3 -> VT300.
4570 * Valid values for the second parameter:
4571 * Ps = 0 -> 8-bit controls.
4572 * Ps = 1 -> 7-bit controls (always set for VT100).
4573 * Ps = 2 -> 8-bit controls.
4575 Terminal
.prototype.setConformanceLevel = function(params
) {
4581 * CSI Ps q Load LEDs (DECLL).
4582 * Ps = 0 -> Clear all LEDS (default).
4583 * Ps = 1 -> Light Num Lock.
4584 * Ps = 2 -> Light Caps Lock.
4585 * Ps = 3 -> Light Scroll Lock.
4586 * Ps = 2 1 -> Extinguish Num Lock.
4587 * Ps = 2 2 -> Extinguish Caps Lock.
4588 * Ps = 2 3 -> Extinguish Scroll Lock.
4590 Terminal
.prototype.loadLEDs = function(params
) {
4597 * Set cursor style (DECSCUSR, VT520).
4598 * Ps = 0 -> blinking block.
4599 * Ps = 1 -> blinking block (default).
4600 * Ps = 2 -> steady block.
4601 * Ps = 3 -> blinking underline.
4602 * Ps = 4 -> steady underline.
4604 Terminal
.prototype.setCursorStyle = function(params
) {
4611 * Select character protection attribute (DECSCA). Valid values
4612 * for the parameter:
4613 * Ps = 0 -> DECSED and DECSEL can erase (default).
4614 * Ps = 1 -> DECSED and DECSEL cannot erase.
4615 * Ps = 2 -> DECSED and DECSEL can erase.
4617 Terminal
.prototype.setCharProtectionAttr = function(params
) {
4624 * Restore DEC Private Mode Values. The value of Ps previously
4625 * saved is restored. Ps values are the same as for DECSET.
4627 Terminal
.prototype.restorePrivateValues = function(params
) {
4633 * CSI Pt; Pl; Pb; Pr; Ps$ r
4634 * Change Attributes in Rectangular Area (DECCARA), VT400 and up.
4635 * Pt; Pl; Pb; Pr denotes the rectangle.
4636 * Ps denotes the SGR attributes to change: 0, 1, 4, 5, 7.
4637 * NOTE: xterm doesn't enable this code by default.
4639 Terminal
.prototype.setAttrInRectangle = function(params
) {
4649 for (; t
< b
+ 1; t
++) {
4650 line
= this.lines
[this.ybase
+ t
];
4651 for (i
= l
; i
< r
; i
++) {
4652 line
[i
] = [attr
, line
[i
][1]];
4657 this.updateRange(params
[0]);
4658 this.updateRange(params
[2]);
4663 * CSI Pc; Pt; Pl; Pb; Pr$ x
4664 * Fill Rectangular Area (DECFRA), VT420 and up.
4665 * Pc is the character to use.
4666 * Pt; Pl; Pb; Pr denotes the rectangle.
4667 * NOTE: xterm doesn't enable this code by default.
4669 Terminal
.prototype.fillRectangle = function(params
) {
4679 for (; t
< b
+ 1; t
++) {
4680 line
= this.lines
[this.ybase
+ t
];
4681 for (i
= l
; i
< r
; i
++) {
4682 line
[i
] = [line
[i
][0], String
.fromCharCode(ch
)];
4687 this.updateRange(params
[1]);
4688 this.updateRange(params
[3]);
4694 * Enable Locator Reporting (DECELR).
4695 * Valid values for the first parameter:
4696 * Ps = 0 -> Locator disabled (default).
4697 * Ps = 1 -> Locator enabled.
4698 * Ps = 2 -> Locator enabled for one report, then disabled.
4699 * The second parameter specifies the coordinate unit for locator
4701 * Valid values for the second parameter:
4702 * Pu = 0 <- or omitted -> default to character cells.
4703 * Pu = 1 <- device physical pixels.
4704 * Pu = 2 <- character cells.
4706 Terminal
.prototype.enableLocatorReporting = function(params
) {
4707 var val
= params
[0] > 0;
4708 //this.mouseEvents = val;
4709 //this.decLocator = val;
4714 * CSI Pt; Pl; Pb; Pr$ z
4715 * Erase Rectangular Area (DECERA), VT400 and up.
4716 * Pt; Pl; Pb; Pr denotes the rectangle.
4717 * NOTE: xterm doesn't enable this code by default.
4719 Terminal
.prototype.eraseRectangle = function(params
) {
4729 ch
= [this.eraseAttr(), ' ', 1]; // xterm?
4731 for (; t
< b
+ 1; t
++) {
4732 line
= this.lines
[this.ybase
+ t
];
4733 for (i
= l
; i
< r
; i
++) {
4739 this.updateRange(params
[0]);
4740 this.updateRange(params
[2]);
4746 * Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
4747 * NOTE: xterm doesn't enable this code by default.
4749 Terminal
.prototype.insertColumns = function() {
4750 var param
= params
[0]
4751 , l
= this.ybase
+ this.rows
4752 , ch
= [this.eraseAttr(), ' ', 1] // xterm?
4756 for (i
= this.ybase
; i
< l
; i
++) {
4757 this.lines
[i
].splice(this.x
+ 1, 0, ch
);
4758 this.lines
[i
].pop();
4768 * Delete P s Column(s) (default = 1) (DECDC), VT420 and up
4769 * NOTE: xterm doesn't enable this code by default.
4771 Terminal
.prototype.deleteColumns = function() {
4772 var param
= params
[0]
4773 , l
= this.ybase
+ this.rows
4774 , ch
= [this.eraseAttr(), ' ', 1] // xterm?
4778 for (i
= this.ybase
; i
< l
; i
++) {
4779 this.lines
[i
].splice(this.x
, 1);
4780 this.lines
[i
].push(ch
);
4791 Terminal
.charsets
= {};
4793 // DEC Special Character and Line Drawing Set.
4794 // http://vt100.net/docs/vt102-ug/table5-13.html
4795 // A lot of curses apps use this if they see TERM=xterm.
4796 // testing: echo -e '\e(0a\e(B'
4797 // The xterm output sometimes seems to conflict with the
4798 // reference above. xterm seems in line with the reference
4799 // when running vttest however.
4800 // The table below now uses xterm's output from vttest.
4801 Terminal
.charsets
.SCLD
= { // (0
4802 '`': '\u25c6', // '◆'
4803 'a': '\u2592', // '▒'
4804 'b': '\u0009', // '\t'
4805 'c': '\u000c', // '\f'
4806 'd': '\u000d', // '\r'
4807 'e': '\u000a', // '\n'
4808 'f': '\u00b0', // '°'
4809 'g': '\u00b1', // '±'
4810 'h': '\u2424', // '\u2424' (NL)
4811 'i': '\u000b', // '\v'
4812 'j': '\u2518', // '┘'
4813 'k': '\u2510', // '┐'
4814 'l': '\u250c', // '┌'
4815 'm': '\u2514', // '└'
4816 'n': '\u253c', // '┼'
4817 'o': '\u23ba', // '⎺'
4818 'p': '\u23bb', // '⎻'
4819 'q': '\u2500', // '─'
4820 'r': '\u23bc', // '⎼'
4821 's': '\u23bd', // '⎽'
4822 't': '\u251c', // '├'
4823 'u': '\u2524', // '┤'
4824 'v': '\u2534', // '┴'
4825 'w': '\u252c', // '┬'
4826 'x': '\u2502', // '│'
4827 'y': '\u2264', // '≤'
4828 'z': '\u2265', // '≥'
4829 '{': '\u03c0', // 'π'
4830 '|': '\u2260', // '≠'
4831 '}': '\u00a3', // '£'
4832 '~': '\u00b7' // '·'
4835 Terminal
.charsets
.UK
= null; // (A
4836 Terminal
.charsets
.US
= null; // (B (USASCII)
4837 Terminal
.charsets
.Dutch
= null; // (4
4838 Terminal
.charsets
.Finnish
= null; // (C or (5
4839 Terminal
.charsets
.French
= null; // (R
4840 Terminal
.charsets
.FrenchCanadian
= null; // (Q
4841 Terminal
.charsets
.German
= null; // (K
4842 Terminal
.charsets
.Italian
= null; // (Y
4843 Terminal
.charsets
.NorwegianDanish
= null; // (E or (6
4844 Terminal
.charsets
.Spanish
= null; // (Z
4845 Terminal
.charsets
.Swedish
= null; // (H or (7
4846 Terminal
.charsets
.Swiss
= null; // (=
4847 Terminal
.charsets
.ISOLatin
= null; // /A
4853 function contains(el
, arr
) {
4854 for (var i
= 0; i
< arr
.length
; i
+= 1) {
4855 if (el
=== arr
[i
]) {
4862 function on(el
, type
, handler
, capture
) {
4863 if (!Array
.isArray(el
)) {
4866 el
.forEach(function (element
) {
4867 element
.addEventListener(type
, handler
, capture
|| false);
4871 function off(el
, type
, handler
, capture
) {
4872 el
.removeEventListener(type
, handler
, capture
|| false);
4875 function cancel(ev
, force
) {
4876 if (!this.cancelEvents
&& !force
) {
4879 ev
.preventDefault();
4880 ev
.stopPropagation();
4884 function inherits(child
, parent
) {
4886 this.constructor = child
;
4888 f
.prototype = parent
.prototype;
4889 child
.prototype = new f
;
4892 // if bold is broken, we can't
4893 // use it in the terminal.
4894 function isBoldBroken(document
) {
4895 var body
= document
.getElementsByTagName('body')[0];
4896 var el
= document
.createElement('span');
4897 el
.innerHTML
= 'hello world';
4898 body
.appendChild(el
);
4899 var w1
= el
.scrollWidth
;
4900 el
.style
.fontWeight
= 'bold';
4901 var w2
= el
.scrollWidth
;
4902 body
.removeChild(el
);
4906 function indexOf(obj
, el
) {
4909 if (obj
[i
] === el
) return i
;
4914 function isThirdLevelShift(term
, ev
) {
4916 (term
.isMac
&& ev
.altKey
&& !ev
.ctrlKey
&& !ev
.metaKey
) ||
4917 (term
.isMSWindows
&& ev
.altKey
&& ev
.ctrlKey
&& !ev
.metaKey
);
4919 if (ev
.type
== 'keypress') {
4920 return thirdLevelKey
;
4923 // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)
4924 return thirdLevelKey
&& (!ev
.keyCode
|| ev
.keyCode
> 47);
4927 function matchColor(r1
, g1
, b1
) {
4928 var hash
= (r1
<< 16) | (g1
<< 8) | b1
;
4930 if (matchColor
._cache
[hash
] != null) {
4931 return matchColor
._cache
[hash
];
4934 var ldiff
= Infinity
4943 for (; i
< Terminal
.vcolors
.length
; i
++) {
4944 c
= Terminal
.vcolors
[i
];
4949 diff
= matchColor
.distance(r1
, g1
, b1
, r2
, g2
, b2
);
4962 return matchColor
._cache
[hash
] = li
;
4965 matchColor
._cache
= {};
4967 // http://stackoverflow.com/questions/1633828
4968 matchColor
.distance = function(r1
, g1
, b1
, r2
, g2
, b2
) {
4969 return Math
.pow(30 * (r1
- r2
), 2)
4970 + Math
.pow(59 * (g1
- g2
), 2)
4971 + Math
.pow(11 * (b1
- b2
), 2);
4974 function each(obj
, iter
, con
) {
4975 if (obj
.forEach
) return obj
.forEach(iter
, con
);
4976 for (var i
= 0; i
< obj
.length
; i
++) {
4977 iter
.call(con
, obj
[i
], i
, obj
);
4981 function keys(obj
) {
4982 if (Object
.keys
) return Object
.keys(obj
);
4985 if (Object
.prototype.hasOwnProperty
.call(obj
, key
)) {
4992 var wcwidth
= (function(opts
) {
4993 // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
4994 // combining characters
4996 [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
4997 [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
4998 [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
4999 [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
5000 [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
5001 [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
5002 [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
5003 [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
5004 [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
5005 [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
5006 [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
5007 [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
5008 [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
5009 [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
5010 [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
5011 [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
5012 [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
5013 [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
5014 [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
5015 [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
5016 [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
5017 [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
5018 [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
5019 [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
5020 [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
5021 [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
5022 [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
5023 [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
5024 [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
5025 [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
5026 [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
5027 [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
5028 [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
5029 [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
5030 [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
5031 [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
5032 [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
5033 [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
5034 [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
5035 [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
5036 [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
5037 [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
5038 [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],
5039 [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
5040 [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
5041 [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
5042 [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
5046 function bisearch(ucs
) {
5048 var max
= COMBINING
.length
- 1;
5050 if (ucs
< COMBINING
[0][0] || ucs
> COMBINING
[max
][1])
5052 while (max
>= min
) {
5053 mid
= Math
.floor((min
+ max
) / 2);
5054 if (ucs
> COMBINING
[mid
][1])
5056 else if (ucs
< COMBINING
[mid
][0])
5063 function wcwidth(ucs
) {
5064 // test for 8-bit control characters
5067 if (ucs
< 32 || (ucs
>= 0x7f && ucs
< 0xa0))
5068 return opts
.control
;
5069 // binary search in table of non-spacing characters
5072 // if we arrive here, ucs is not a combining or C0/C1 control character
5077 ucs
<= 0x115f || // Hangul Jamo init. consonants
5080 (ucs
>= 0x2e80 && ucs
<= 0xa4cf && ucs
!= 0x303f) || // CJK..Yi
5081 (ucs
>= 0xac00 && ucs
<= 0xd7a3) || // Hangul Syllables
5082 (ucs
>= 0xf900 && ucs
<= 0xfaff) || // CJK Compat Ideographs
5083 (ucs
>= 0xfe10 && ucs
<= 0xfe19) || // Vertical forms
5084 (ucs
>= 0xfe30 && ucs
<= 0xfe6f) || // CJK Compat Forms
5085 (ucs
>= 0xff00 && ucs
<= 0xff60) || // Fullwidth Forms
5086 (ucs
>= 0xffe0 && ucs
<= 0xffe6) ||
5087 (ucs
>= 0x20000 && ucs
<= 0x2fffd) ||
5088 (ucs
>= 0x30000 && ucs
<= 0x3fffd)
5093 })({nul
: 0, control
: 0}); // configurable options
5099 Terminal
.EventEmitter
= EventEmitter
;
5100 Terminal
.CompositionHelper
= CompositionHelper
;
5101 Terminal
.Viewport
= Viewport
;
5102 Terminal
.inherits
= inherits
;
5105 * Adds an event listener to the terminal.
5107 * @param {string} event The name of the event. TODO: Document all event types
5108 * @param {function} callback The function to call when the event is triggered.
5112 Terminal
.cancel
= cancel
;
5114 module
.exports
= Terminal
;