2 * xterm.js: xterm, in the browser
3 * Copyright (c) 2014-2014, SourceLair Private Company <www.sourcelair.com> (MIT License)
4 * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
5 * https://github.com/chjj/term.js
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 * Originally forked from (with the author's permission):
26 * Fabrice Bellard's javascript vt100 for jslinux:
27 * http://bellard.org/jslinux/
28 * Copyright (c) 2011 Fabrice Bellard
29 * The original design remains. The terminal itself
30 * has been extended to include xterm CSI codes, among
34 import { CompositionHelper
} from './CompositionHelper.js';
35 import { EventEmitter
} from './EventEmitter.js';
36 import { Viewport
} from './Viewport.js';
37 import { rightClickHandler
, pasteHandler
, copyHandler
} from './handlers/Clipboard.js';
38 import * as Browser
from './utils/Browser';
39 import * as Keyboard
from './utils/Keyboard';
42 * Terminal Emulation References:
44 * http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt
45 * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
46 * http://invisible-island.net/vttest/
47 * http://www.inwap.com/pdp10/ansicode.txt
48 * http://linux.die.net/man/4/console_codes
49 * http://linux.die.net/man/7/urxvt
52 // Let it work inside Node.js for automated testing purposes.
53 var document
= (typeof window
!= 'undefined') ? window
.document
: null;
58 var normal
= 0, escaped
= 1, csi
= 2, osc
= 3, charset
= 4, dcs
= 5, ignore
= 6;
65 * Creates a new `Terminal` object.
67 * @param {object} options An object containing a set of options, the available options are:
68 * - `cursorBlink` (boolean): Whether the terminal cursor blinks
69 * - `cols` (number): The number of columns of the terminal (horizontal size)
70 * - `rows` (number): The number of rows of the terminal (vertical size)
74 * @alias module:xterm/src/xterm
76 function Terminal(options
) {
79 if (!(this instanceof Terminal
)) {
80 return new Terminal(arguments
[0], arguments
[1], arguments
[2]);
83 self
.browser
= Browser
;
84 self
.cancel
= Terminal
.cancel
;
86 EventEmitter
.call(this);
88 if (typeof options
=== 'number') {
96 options
= options
|| {};
99 Object
.keys(Terminal
.defaults
).forEach(function(key
) {
100 if (options
[key
] == null) {
101 options
[key
] = Terminal
.options
[key
];
103 if (Terminal
[key
] !== Terminal
.defaults
[key
]) {
104 options
[key
] = Terminal
[key
];
107 self
[key
] = options
[key
];
110 if (options
.colors
.length
=== 8) {
111 options
.colors
= options
.colors
.concat(Terminal
._colors
.slice(8));
112 } else if (options
.colors
.length
=== 16) {
113 options
.colors
= options
.colors
.concat(Terminal
._colors
.slice(16));
114 } else if (options
.colors
.length
=== 10) {
115 options
.colors
= options
.colors
.slice(0, -2).concat(
116 Terminal
._colors
.slice(8, -2), options
.colors
.slice(-2));
117 } else if (options
.colors
.length
=== 18) {
118 options
.colors
= options
.colors
.concat(
119 Terminal
._colors
.slice(16, -2), options
.colors
.slice(-2));
121 this.colors
= options
.colors
;
123 this.options
= options
;
125 // this.context = options.context || window;
126 // this.document = options.document || document;
127 this.parent
= options
.body
|| options
.parent
|| (
128 document
? document
.getElementsByTagName('body')[0] : null
131 this.cols
= options
.cols
|| options
.geometry
[0];
132 this.rows
= options
.rows
|| options
.geometry
[1];
133 this.geometry
= [this.cols
, this.rows
];
135 if (options
.handler
) {
136 this.on('data', options
.handler
);
140 * The scroll position of the y cursor, ie. ybase + y = the y position within the entire
146 * The scroll position of the viewport
151 * The cursor's x position after ybase
156 * The cursor's y position after ybase
161 * Used to debounce the refresh function
163 this.isRefreshing
= false;
166 * Whether there is a full terminal refresh queued
169 this.cursorState
= 0;
170 this.cursorHidden
= false;
175 this.scrollBottom
= this.rows
- 1;
176 this.customKeydownHandler
= null;
179 this.applicationKeypad
= false;
180 this.applicationCursor
= false;
181 this.originMode
= false;
182 this.insertMode
= false;
183 this.wraparoundMode
= true; // defaults: xterm - true, vt100 - false
188 this.gcharset
= null;
190 this.charsets
= [null];
214 this.readable
= true;
215 this.writable
= true;
217 this.defAttr
= (0 << 18) | (257 << 9) | (256 << 0);
218 this.curAttr
= this.defAttr
;
221 this.currentParam
= 0;
225 // leftover surrogate high from previous write invocation
226 this.surrogate_high
= '';
229 * An array of all lines in the entire buffer, including the prompt. The lines are array of
230 * characters which are 2-length arrays where [0] is an attribute and [1] is the character.
235 this.lines
.push(this.blankLine());
241 // Store if user went browsing history in scrollback
242 this.userScrolling
= false;
245 inherits(Terminal
, EventEmitter
);
248 * back_color_erase feature for xterm.
250 Terminal
.prototype.eraseAttr = function() {
251 // if (this.is('screen')) return this.defAttr;
252 return (this.defAttr
& ~0x1ff) | (this.curAttr
& 0x1ff);
260 Terminal
.tangoColors
= [
281 // Colors 0-15 + 16-255
282 // Much thanks to TooTallNate for writing this.
283 Terminal
.colors
= (function() {
284 var colors
= Terminal
.tangoColors
.slice()
285 , r
= [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff]
290 for (; i
< 216; i
++) {
291 out(r
[(i
/ 36) % 6 | 0], r
[(i
/ 6) % 6 | 0], r
[i
% 6]);
296 for (; i
< 24; i
++) {
301 function out(r
, g
, b
) {
302 colors
.push('#' + hex(r
) + hex(g
) + hex(b
));
307 return c
.length
< 2 ? '0' + c
: c
;
313 Terminal
._colors
= Terminal
.colors
.slice();
315 Terminal
.vcolors
= (function() {
317 , colors
= Terminal
.colors
321 for (; i
< 256; i
++) {
322 color
= parseInt(colors
[i
].substring(1), 16);
324 (color
>> 16) & 0xff,
337 Terminal
.defaults
= {
338 colors
: Terminal
.colors
,
350 // programFeatures: false,
354 Terminal
.options
= {};
356 Terminal
.focus
= null;
358 each(keys(Terminal
.defaults
), function(key
) {
359 Terminal
[key
] = Terminal
.defaults
[key
];
360 Terminal
.options
[key
] = Terminal
.defaults
[key
];
364 * Focus the terminal. Delegates focus handling to the terminal's DOM element.
366 Terminal
.prototype.focus = function() {
367 return this.textarea
.focus();
371 * Retrieves an option's value from the terminal.
372 * @param {string} key The option key.
374 Terminal
.prototype.getOption = function(key
, value
) {
375 if (!(key
in Terminal
.defaults
)) {
376 throw new Error('No option with key "' + key
+ '"');
379 if (typeof this.options
[key
] !== 'undefined') {
380 return this.options
[key
];
387 * Sets an option on the terminal.
388 * @param {string} key The option key.
389 * @param {string} value The option value.
391 Terminal
.prototype.setOption = function(key
, value
) {
392 if (!(key
in Terminal
.defaults
)) {
393 throw new Error('No option with key "' + key
+ '"');
396 this.options
[key
] = value
;
400 * Binds the desired focus behavior on a given terminal object.
404 Terminal
.bindFocus = function (term
) {
405 on(term
.textarea
, 'focus', function (ev
) {
406 if (term
.sendFocus
) {
409 term
.element
.classList
.add('focus');
411 Terminal
.focus
= term
;
412 term
.emit('focus', {terminal
: term
});
417 * Blur the terminal. Delegates blur handling to the terminal's DOM element.
419 Terminal
.prototype.blur = function() {
420 return this.textarea
.blur();
424 * Binds the desired blur behavior on a given terminal object.
428 Terminal
.bindBlur = function (term
) {
429 on(term
.textarea
, 'blur', function (ev
) {
430 term
.refresh(term
.y
, term
.y
);
431 if (term
.sendFocus
) {
434 term
.element
.classList
.remove('focus');
435 Terminal
.focus
= null;
436 term
.emit('blur', {terminal
: term
});
441 * Initialize default behavior
443 Terminal
.prototype.initGlobal = function() {
446 Terminal
.bindKeys(this);
447 Terminal
.bindFocus(this);
448 Terminal
.bindBlur(this);
450 // Bind clipboard functionality
451 on(this.element
, 'copy', function (ev
) {
452 copyHandler
.call(this, ev
, term
);
454 on(this.textarea
, 'paste', function (ev
) {
455 pasteHandler
.call(this, ev
, term
);
458 function rightClickHandlerWrapper (ev
) {
459 rightClickHandler
.call(this, ev
, term
);
462 if (term
.browser
.isFirefox
) {
463 on(this.element
, 'mousedown', function (ev
) {
464 if (ev
.button
== 2) {
465 rightClickHandlerWrapper(ev
);
469 on(this.element
, 'contextmenu', rightClickHandlerWrapper
);
474 * Apply key handling to the terminal
476 Terminal
.bindKeys = function(term
) {
477 on(term
.element
, 'keydown', function(ev
) {
478 if (document
.activeElement
!= this) {
484 on(term
.element
, 'keypress', function(ev
) {
485 if (document
.activeElement
!= this) {
491 on(term
.element
, 'keyup', term
.focus
.bind(term
));
493 on(term
.textarea
, 'keydown', function(ev
) {
497 on(term
.textarea
, 'keypress', function(ev
) {
499 // Truncate the textarea's value, since it is not needed
503 on(term
.textarea
, 'compositionstart', term
.compositionHelper
.compositionstart
.bind(term
.compositionHelper
));
504 on(term
.textarea
, 'compositionupdate', term
.compositionHelper
.compositionupdate
.bind(term
.compositionHelper
));
505 on(term
.textarea
, 'compositionend', term
.compositionHelper
.compositionend
.bind(term
.compositionHelper
));
506 term
.on('refresh', term
.compositionHelper
.updateCompositionElements
.bind(term
.compositionHelper
));
511 * Insert the given row to the terminal or produce a new one
512 * if no row argument is passed. Return the inserted row.
513 * @param {HTMLElement} row (optional) The row to append to the terminal.
515 Terminal
.prototype.insertRow = function (row
) {
516 if (typeof row
!= 'object') {
517 row
= document
.createElement('div');
520 this.rowContainer
.appendChild(row
);
521 this.children
.push(row
);
527 * Opens the terminal within an element.
529 * @param {HTMLElement} parent The element to create the terminal within.
531 Terminal
.prototype.open = function(parent
) {
532 var self
=this, i
=0, div
;
534 this.parent
= parent
|| this.parent
;
537 throw new Error('Terminal requires a parent element.');
540 // Grab global elements
541 this.context
= this.parent
.ownerDocument
.defaultView
;
542 this.document
= this.parent
.ownerDocument
;
543 this.body
= this.document
.getElementsByTagName('body')[0];
545 //Create main element container
546 this.element
= this.document
.createElement('div');
547 this.element
.classList
.add('terminal');
548 this.element
.classList
.add('xterm');
549 this.element
.classList
.add('xterm-theme-' + this.theme
);
551 this.element
.style
.height
552 this.element
.setAttribute('tabindex', 0);
554 this.viewportElement
= document
.createElement('div');
555 this.viewportElement
.classList
.add('xterm-viewport');
556 this.element
.appendChild(this.viewportElement
);
557 this.viewportScrollArea
= document
.createElement('div');
558 this.viewportScrollArea
.classList
.add('xterm-scroll-area');
559 this.viewportElement
.appendChild(this.viewportScrollArea
);
561 // Create the container that will hold the lines of the terminal and then
562 // produce the lines the lines.
563 this.rowContainer
= document
.createElement('div');
564 this.rowContainer
.classList
.add('xterm-rows');
565 this.element
.appendChild(this.rowContainer
);
568 // Create the container that will hold helpers like the textarea for
569 // capturing DOM Events. Then produce the helpers.
570 this.helperContainer
= document
.createElement('div');
571 this.helperContainer
.classList
.add('xterm-helpers');
572 // TODO: This should probably be inserted once it's filled to prevent an additional layout
573 this.element
.appendChild(this.helperContainer
);
574 this.textarea
= document
.createElement('textarea');
575 this.textarea
.classList
.add('xterm-helper-textarea');
576 this.textarea
.setAttribute('autocorrect', 'off');
577 this.textarea
.setAttribute('autocapitalize', 'off');
578 this.textarea
.setAttribute('spellcheck', 'false');
579 this.textarea
.tabIndex
= 0;
580 this.textarea
.addEventListener('focus', function() {
581 self
.emit('focus', {terminal
: self
});
583 this.textarea
.addEventListener('blur', function() {
584 self
.emit('blur', {terminal
: self
});
586 this.helperContainer
.appendChild(this.textarea
);
588 this.compositionView
= document
.createElement('div');
589 this.compositionView
.classList
.add('composition-view');
590 this.compositionHelper
= new CompositionHelper(this.textarea
, this.compositionView
, this);
591 this.helperContainer
.appendChild(this.compositionView
);
593 this.charMeasureElement
= document
.createElement('div');
594 this.charMeasureElement
.classList
.add('xterm-char-measure-element');
595 this.charMeasureElement
.innerHTML
= 'W';
596 this.helperContainer
.appendChild(this.charMeasureElement
);
598 for (; i
< this.rows
; i
++) {
601 this.parent
.appendChild(this.element
);
603 this.viewport
= new Viewport(this, this.viewportElement
, this.viewportScrollArea
, this.charMeasureElement
);
606 this.refresh(0, this.rows
- 1);
608 // Initialize global actions that
609 // need to be taken on the document.
612 // Ensure there is a Terminal.focus.
615 on(this.element
, 'click', function() {
616 var selection
= document
.getSelection(),
617 collapsed
= selection
.isCollapsed
,
618 isRange
= typeof collapsed
== 'boolean' ? !collapsed
: selection
.type
== 'Range';
624 // Listen for mouse events and translate
625 // them into terminal mouse protocols.
628 // Figure out whether boldness affects
629 // the character width of monospace fonts.
630 if (Terminal
.brokenBold
== null) {
631 Terminal
.brokenBold
= isBoldBroken(this.document
);
635 * This event is emitted when terminal has completed opening.
644 * Attempts to load an add-on using CommonJS or RequireJS (whichever is available).
645 * @param {string} addon The name of the addon to load
648 Terminal
.loadAddon = function(addon
, callback
) {
649 if (typeof exports
=== 'object' && typeof module
=== 'object') {
651 return require('./addons/' + addon
+ '/' + addon
);
652 } else if (typeof define
== 'function') {
654 return require(['./addons/' + addon
+ '/' + addon
], callback
);
656 console
.error('Cannot load a module without a CommonJS or RequireJS environment.');
664 * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking
665 * To better understand these
666 * the xterm code is very helpful:
668 * button.c, charproc.c, misc.c
669 * Relevant functions in xterm/button.c:
670 * BtnCode, EmitButtonCode, EditorButton, SendMousePosition
672 Terminal
.prototype.bindMouse = function() {
673 var el
= this.element
, self
= this, pressed
= 32;
675 // mouseup, mousedown, wheel
676 // left click: ^[[M 3<^[[M#3<
678 function sendButton(ev
) {
682 // get the xterm-style button
683 button
= getButton(ev
);
685 // get mouse coordinates
689 sendEvent(button
, pos
);
691 switch (ev
.overrideType
|| ev
.type
) {
696 // keep it at the left
697 // button, just in case.
708 // motion example of a left click:
709 // ^[[M 3<^[[M@4<^[[M@5<^[[M@6<^[[M@7<^[[M#7<
710 function sendMove(ev
) {
717 // buttons marked as motions
718 // are incremented by 32
721 sendEvent(button
, pos
);
725 // position to characters
726 function encode(data
, ch
) {
727 if (!self
.utfMouse
) {
728 if (ch
=== 255) return data
.push(0);
729 if (ch
> 127) ch
= 127;
732 if (ch
=== 2047) return data
.push(0);
736 if (ch
> 2047) ch
= 2047;
737 data
.push(0xC0 | (ch
>> 6));
738 data
.push(0x80 | (ch
& 0x3F));
743 // send a mouse event:
744 // regular/utf8: ^[[M Cb Cx Cy
745 // urxvt: ^[[ Cb ; Cx ; Cy M
746 // sgr: ^[[ Cb ; Cx ; Cy M/m
747 // vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \r
748 // locator: CSI P e ; P b ; P r ; P c ; P p & w
749 function sendEvent(button
, pos
) {
750 // self.emit('mouse', {
756 if (self
.vt300Mouse
) {
758 // http://www.vt100.net/docs/vt3xx-gp/chapter15.html
762 var data
= '\x1b[24';
763 if (button
=== 0) data
+= '1';
764 else if (button
=== 1) data
+= '3';
765 else if (button
=== 2) data
+= '5';
766 else if (button
=== 3) return;
768 data
+= '~[' + pos
.x
+ ',' + pos
.y
+ ']\r';
773 if (self
.decLocator
) {
778 if (button
=== 0) button
= 2;
779 else if (button
=== 1) button
= 4;
780 else if (button
=== 2) button
= 6;
781 else if (button
=== 3) button
= 3;
785 + (button
=== 3 ? 4 : 0)
796 if (self
.urxvtMouse
) {
801 self
.send('\x1b[' + button
+ ';' + pos
.x
+ ';' + pos
.y
+ 'M');
809 + ((button
& 3) === 3 ? button
& ~3 : button
)
814 + ((button
& 3) === 3 ? 'm' : 'M'));
820 encode(data
, button
);
824 self
.send('\x1b[M' + String
.fromCharCode
.apply(String
, data
));
827 function getButton(ev
) {
840 // 1, and 2 - with 64 added
841 switch (ev
.overrideType
|| ev
.type
) {
843 button
= ev
.button
!= null
849 if (self
.browser
.isMSIE
) {
850 button
= button
=== 1 ? 0 : button
=== 4 ? 1 : button
;
856 case 'DOMMouseScroll':
857 button
= ev
.detail
< 0
862 button
= ev
.wheelDeltaY
> 0
868 // next three bits are the modifiers:
869 // 4 = shift, 8 = meta, 16 = control
870 shift
= ev
.shiftKey
? 4 : 0;
871 meta
= ev
.metaKey
? 8 : 0;
872 ctrl
= ev
.ctrlKey
? 16 : 0;
873 mod
= shift
| meta
| ctrl
;
876 if (self
.vt200Mouse
) {
879 } else if (!self
.normalMouse
) {
884 button
= (32 + (mod
<< 2)) + button
;
889 // mouse coordinates measured in cols/rows
890 function getCoords(ev
) {
893 // ignore browsers without pageX for now
894 if (ev
.pageX
== null) return;
900 // should probably check offsetParent
901 // but this is more portable
902 while (el
&& el
!== self
.document
.documentElement
) {
905 el
= 'offsetParent' in el
910 // convert to cols/rows
911 w
= self
.element
.clientWidth
;
912 h
= self
.element
.clientHeight
;
913 x
= Math
.ceil((x
/ w
) * self
.cols
);
914 y
= Math
.ceil((y
/ h
) * self
.rows
);
916 // be sure to avoid sending
917 // bad positions to the program
919 if (x
> self
.cols
) x
= self
.cols
;
921 if (y
> self
.rows
) y
= self
.rows
;
923 // xterm sends raw bytes and
924 // starts at 32 (SP) for each.
935 on(el
, 'mousedown', function(ev
) {
936 if (!self
.mouseEvents
) return;
945 //if (self.vt200Mouse && !self.normalMouse) {
946 if (self
.vt200Mouse
) {
947 ev
.overrideType
= 'mouseup';
949 return self
.cancel(ev
);
953 if (self
.normalMouse
) on(self
.document
, 'mousemove', sendMove
);
955 // x10 compatibility mode can't send button releases
956 if (!self
.x10Mouse
) {
957 on(self
.document
, 'mouseup', function up(ev
) {
959 if (self
.normalMouse
) off(self
.document
, 'mousemove', sendMove
);
960 off(self
.document
, 'mouseup', up
);
961 return self
.cancel(ev
);
965 return self
.cancel(ev
);
968 //if (self.normalMouse) {
969 // on(self.document, 'mousemove', sendMove);
972 on(el
, 'wheel', function(ev
) {
973 if (!self
.mouseEvents
) return;
976 || self
.decLocator
) return;
978 return self
.cancel(ev
);
981 // allow wheel scrolling in
982 // the shell for example
983 on(el
, 'wheel', function(ev
) {
984 if (self
.mouseEvents
) return;
985 self
.viewport
.onWheel(ev
);
986 return self
.cancel(ev
);
991 * Destroys the terminal.
993 Terminal
.prototype.destroy = function() {
994 this.readable
= false;
995 this.writable
= false;
997 this.handler = function() {};
998 this.write = function() {};
999 if (this.element
.parentNode
) {
1000 this.element
.parentNode
.removeChild(this.element
);
1002 //this.emit('close');
1007 * Flags used to render terminal text properly
1018 * Refreshes (re-renders) terminal content within two rows (inclusive)
1022 * In the screen buffer, each character is stored as a an array with a character
1023 * and a 32-bit integer:
1024 * - First value: a utf-16 character.
1026 * - Next 9 bits: background color (0-511).
1027 * - Next 9 bits: foreground color (0-511).
1028 * - Next 14 bits: a mask for misc. flags:
1035 * @param {number} start The row to start from (between 0 and terminal's height terminal - 1)
1036 * @param {number} end The row to end at (between fromRow and terminal's height terminal - 1)
1037 * @param {boolean} queue Whether the refresh should ran right now or be queued
1039 Terminal
.prototype.refresh = function(start
, end
, queue
) {
1042 // queue defaults to true
1043 queue
= (typeof queue
== 'undefined') ? true : queue
;
1046 * The refresh queue allows refresh to execute only approximately 30 times a second. For
1047 * commands that pass a significant amount of output to the write function, this prevents the
1048 * terminal from maxing out the CPU and making the UI unresponsive. While commands can still
1049 * run beyond what they do on the terminal, it is far better with a debounce in place as
1050 * every single terminal manipulation does not need to be constructed in the DOM.
1052 * A side-effect of this is that it makes ^C to interrupt a process seem more responsive.
1055 // If refresh should be queued, order the refresh and return.
1056 if (this._refreshIsQueued
) {
1057 // If a refresh has already been queued, just order a full refresh next
1058 this._fullRefreshNext
= true;
1060 setTimeout(function () {
1061 self
.refresh(start
, end
, false);
1063 this._refreshIsQueued
= true;
1068 // If refresh should be run right now (not be queued), release the lock
1069 this._refreshIsQueued
= false;
1071 // If multiple refreshes were requested, make a full refresh.
1072 if (this._fullRefreshNext
) {
1074 end
= this.rows
- 1;
1075 this._fullRefreshNext
= false // reset lock
1078 var x
, y
, i
, line
, out
, ch
, ch_width
, width
, data
, attr
, bg
, fg
, flags
, row
, parent
, focused
= document
.activeElement
;
1080 // If this is a big refresh, remove the terminal rows from the DOM for faster calculations
1081 if (end
- start
>= this.rows
/ 2) {
1082 parent
= this.element
.parentNode
;
1084 this.element
.removeChild(this.rowContainer
);
1091 if (end
>= this.rows
.length
) {
1092 this.log('`end` is too large. Most likely a bad CSR.');
1093 end
= this.rows
.length
- 1;
1096 for (; y
<= end
; y
++) {
1097 row
= y
+ this.ydisp
;
1099 line
= this.lines
[row
];
1102 if (this.y
=== y
- (this.ybase
- this.ydisp
)
1104 && !this.cursorHidden
) {
1110 attr
= this.defAttr
;
1113 for (; i
< width
; i
++) {
1116 ch_width
= line
[i
][2];
1120 if (i
=== x
) data
= -1;
1122 if (data
!== attr
) {
1123 if (attr
!== this.defAttr
) {
1126 if (data
!== this.defAttr
) {
1128 out
+= '<span class="reverse-video terminal-cursor';
1129 if (this.cursorBlink
) {
1134 var classNames
= [];
1137 fg
= (data
>> 9) & 0x1ff;
1140 if (flags
& Terminal
.flags
.BOLD
) {
1141 if (!Terminal
.brokenBold
) {
1142 classNames
.push('xterm-bold');
1144 // See: XTerm*boldColors
1145 if (fg
< 8) fg
+= 8;
1148 if (flags
& Terminal
.flags
.UNDERLINE
) {
1149 classNames
.push('xterm-underline');
1152 if (flags
& Terminal
.flags
.BLINK
) {
1153 classNames
.push('xterm-blink');
1156 // If inverse flag is on, then swap the foreground and background variables.
1157 if (flags
& Terminal
.flags
.INVERSE
) {
1158 /* One-line variable swap in JavaScript: http://stackoverflow.com/a/16201730 */
1159 bg = [fg, fg = bg][0];
1160 // Should inverse just be before the
1161 // above boldColors effect instead?
1162 if ((flags & 1) && fg < 8) fg += 8;
1165 if (flags & Terminal.flags.INVISIBLE) {
1166 classNames.push('xterm-hidden');
1170 * Weird situation: Invert flag used black foreground and white background results
1171 * in invalid background color, positioned at the 256 index of the 256 terminal
1172 * color map. Pin the colors manually in such a case.
1174 * Source: https://github.com/sourcelair/xterm.js/issues/57
1176 if (flags
& Terminal
.flags
.INVERSE
) {
1186 classNames
.push('xterm-bg-color-' + bg
);
1190 classNames
.push('xterm-color-' + fg
);
1194 if (classNames
.length
) {
1195 out
+= ' class="' + classNames
.join(' ') + '"';
1224 if (attr
!== this.defAttr
) {
1228 this.children
[y
].innerHTML
= out
;
1232 this.element
.appendChild(this.rowContainer
);
1235 this.emit('refresh', {element
: this.element
, start
: start
, end
: end
});
1239 * Display the cursor element
1241 Terminal
.prototype.showCursor = function() {
1242 if (!this.cursorState
) {
1243 this.cursorState
= 1;
1244 this.refresh(this.y
, this.y
);
1249 * Scroll the terminal
1251 Terminal
.prototype.scroll = function() {
1254 if (++this.ybase
=== this.scrollback
) {
1255 this.ybase
= this.ybase
/ 2 | 0;
1256 this.lines
= this.lines
.slice(-(this.ybase
+ this.rows
) + 1);
1259 if (!this.userScrolling
) {
1260 this.ydisp
= this.ybase
;
1264 row
= this.ybase
+ this.rows
- 1;
1266 // subtract the bottom scroll region
1267 row
-= this.rows
- 1 - this.scrollBottom
;
1269 if (row
=== this.lines
.length
) {
1270 // potential optimization:
1271 // pushing is faster than splicing
1272 // when they amount to the same
1274 this.lines
.push(this.blankLine());
1277 this.lines
.splice(row
, 0, this.blankLine());
1280 if (this.scrollTop
!== 0) {
1281 if (this.ybase
!== 0) {
1283 if (!this.userScrolling
) {
1284 this.ydisp
= this.ybase
;
1287 this.lines
.splice(this.ybase
+ this.scrollTop
, 1);
1291 this.updateRange(this.scrollTop
);
1292 this.updateRange(this.scrollBottom
);
1295 * This event is emitted whenever the terminal is scrolled.
1296 * The one parameter passed is the new y display position.
1300 this.emit('scroll', this.ydisp
);
1304 * Scroll the display of the terminal
1305 * @param {number} disp The number of lines to scroll down (negatives scroll up).
1306 * @param {boolean} suppressScrollEvent Don't emit the scroll event as scrollDisp. This is used
1307 * to avoid unwanted events being handled by the veiwport when the event was triggered from the
1308 * viewport originally.
1310 Terminal
.prototype.scrollDisp = function(disp
, suppressScrollEvent
) {
1312 this.userScrolling
= true;
1313 } else if (disp
+ this.ydisp
>= this.ybase
) {
1314 this.userScrolling
= false;
1319 if (this.ydisp
> this.ybase
) {
1320 this.ydisp
= this.ybase
;
1321 } else if (this.ydisp
< 0) {
1325 if (!suppressScrollEvent
) {
1326 this.emit('scroll', this.ydisp
);
1329 this.refresh(0, this.rows
- 1);
1333 * Scroll the display of the terminal by a number of pages.
1334 * @param {number} pageCount The number of pages to scroll (negative scrolls up).
1336 Terminal
.prototype.scrollPages = function(pageCount
) {
1337 this.scrollDisp(pageCount
* (this.rows
- 1));
1341 * Scrolls the display of the terminal to the top.
1343 Terminal
.prototype.scrollToTop = function() {
1344 this.scrollDisp(-this.ydisp
);
1348 * Scrolls the display of the terminal to the bottom.
1350 Terminal
.prototype.scrollToBottom = function() {
1351 this.scrollDisp(this.ybase
- this.ydisp
);
1355 * Writes text to the terminal.
1356 * @param {string} text The text to write to the terminal.
1358 Terminal
.prototype.write = function(data
) {
1359 var l
= data
.length
, i
= 0, j
, cs
, ch
, code
, low
, ch_width
, row
;
1361 this.refreshStart
= this.y
;
1362 this.refreshEnd
= this.y
;
1364 // apply leftover surrogate high from last write
1365 if (this.surrogate_high
) {
1366 data
= this.surrogate_high
+ data
;
1367 this.surrogate_high
= '';
1370 for (; i
< l
; i
++) {
1373 // FIXME: higher chars than 0xa0 are not allowed in escape sequences
1374 // --> maybe move to default
1375 code
= data
.charCodeAt(i
);
1376 if (0xD800 <= code
&& code
<= 0xDBFF) {
1377 // we got a surrogate high
1378 // get surrogate low (next 2 bytes)
1379 low
= data
.charCodeAt(i
+1);
1381 // end of data stream, save surrogate high
1382 this.surrogate_high
= ch
;
1385 code
= ((code
- 0xD800) * 0x400) + (low
- 0xDC00) + 0x10000;
1386 ch
+= data
.charAt(i
+1);
1388 // surrogate low - already handled above
1389 if (0xDC00 <= code
&& code
<= 0xDFFF)
1392 switch (this.state
) {
1403 if (this.convertEol
) {
1407 if (this.y
> this.scrollBottom
) {
1427 this.x
= this.nextStop();
1442 this.state
= escaped
;
1447 // calculate print space
1448 // expensive call, therefore we save width in line buffer
1449 ch_width
= wcwidth(code
);
1452 if (this.charset
&& this.charset
[ch
]) {
1453 ch
= this.charset
[ch
];
1456 row
= this.y
+ this.ybase
;
1458 // insert combining char in last cell
1459 // FIXME: needs handling after cursor jumps
1460 if (!ch_width
&& this.x
) {
1462 // dont overflow left
1463 if (this.lines
[row
][this.x
-1]) {
1464 if (!this.lines
[row
][this.x
-1][2]) {
1466 // found empty cell after fullwidth, need to go 2 cells back
1467 if (this.lines
[row
][this.x
-2])
1468 this.lines
[row
][this.x
-2][1] += ch
;
1471 this.lines
[row
][this.x
-1][1] += ch
;
1473 this.updateRange(this.y
);
1478 // goto next line if ch would overflow
1479 // TODO: needs a global min terminal width of 2
1480 if (this.x
+ch_width
-1 >= this.cols
) {
1481 // autowrap - DECAWM
1482 if (this.wraparoundMode
) {
1485 if (this.y
> this.scrollBottom
) {
1490 this.x
= this.cols
-1;
1491 if(ch_width
===2) // FIXME: check for xterm behavior
1495 row
= this.y
+ this.ybase
;
1497 // insert mode: move characters to right
1498 if (this.insertMode
) {
1499 // do this twice for a fullwidth char
1500 for (var moves
=0; moves
<ch_width
; ++moves
) {
1501 // remove last cell, if it's width is 0
1502 // we have to adjust the second last cell as well
1503 var removed
= this.lines
[this.y
+ this.ybase
].pop();
1505 && this.lines
[row
][this.cols
-2]
1506 && this.lines
[row
][this.cols
-2][2]===2)
1507 this.lines
[row
][this.cols
-2] = [this.curAttr
, ' ', 1];
1509 // insert empty cell at cursor
1510 this.lines
[row
].splice(this.x
, 0, [this.curAttr
, ' ', 1]);
1514 this.lines
[row
][this.x
] = [this.curAttr
, ch
, ch_width
];
1516 this.updateRange(this.y
);
1518 // fullwidth char - set next cell width to zero and advance cursor
1520 this.lines
[row
][this.x
] = [this.curAttr
, '', 0];
1529 // ESC [ Control Sequence Introducer ( CSI is 0x9b).
1532 this.currentParam
= 0;
1536 // ESC ] Operating System Command ( OSC is 0x9d).
1539 this.currentParam
= 0;
1543 // ESC P Device Control String ( DCS is 0x90).
1546 this.currentParam
= 0;
1550 // ESC _ Application Program Command ( APC is 0x9f).
1552 this.state
= ignore
;
1555 // ESC ^ Privacy Message ( PM is 0x9e).
1557 this.state
= ignore
;
1560 // ESC c Full Reset (RIS).
1565 // ESC E Next Line ( NEL is 0x85).
1566 // ESC D Index ( IND is 0x84).
1574 // ESC M Reverse Index ( RI is 0x8d).
1576 this.reverseIndex();
1579 // ESC % Select default/utf-8 character set.
1580 // @ = default, G = utf-8
1582 //this.charset = null;
1584 this.setgCharset(0, Terminal
.charsets
.US
);
1585 this.state
= normal
;
1589 // ESC (,),*,+,-,. Designate G0-G2 Character Set.
1590 case '(': // <-- this seems to get all the attention
1616 this.state
= charset
;
1619 // Designate G3 Character Set (VT300).
1620 // A = ISO Latin-1 Supplemental.
1624 this.state
= charset
;
1629 // Single Shift Select of G2 Character Set
1630 // ( SS2 is 0x8e). This affects next character only.
1634 // Single Shift Select of G3 Character Set
1635 // ( SS3 is 0x8f). This affects next character only.
1639 // Invoke the G2 Character Set as GL (LS2).
1644 // Invoke the G3 Character Set as GL (LS3).
1649 // Invoke the G3 Character Set as GR (LS3R).
1654 // Invoke the G2 Character Set as GR (LS2R).
1659 // Invoke the G1 Character Set as GR (LS1R).
1664 // ESC 7 Save Cursor (DECSC).
1667 this.state
= normal
;
1670 // ESC 8 Restore Cursor (DECRC).
1672 this.restoreCursor();
1673 this.state
= normal
;
1676 // ESC # 3 DEC line height/width
1678 this.state
= normal
;
1682 // ESC H Tab Set (HTS is 0x88).
1687 // ESC = Application Keypad (DECKPAM).
1689 this.log('Serial port requested application keypad.');
1690 this.applicationKeypad
= true;
1691 this.viewport
.syncScrollArea();
1692 this.state
= normal
;
1695 // ESC > Normal Keypad (DECKPNM).
1697 this.log('Switching back to normal keypad.');
1698 this.applicationKeypad
= false;
1699 this.viewport
.syncScrollArea();
1700 this.state
= normal
;
1704 this.state
= normal
;
1705 this.error('Unknown ESC control: %s.', ch
);
1712 case '0': // DEC Special Character and Line Drawing Set.
1713 cs
= Terminal
.charsets
.SCLD
;
1716 cs
= Terminal
.charsets
.UK
;
1718 case 'B': // United States (USASCII).
1719 cs
= Terminal
.charsets
.US
;
1722 cs
= Terminal
.charsets
.Dutch
;
1724 case 'C': // Finnish
1726 cs
= Terminal
.charsets
.Finnish
;
1729 cs
= Terminal
.charsets
.French
;
1731 case 'Q': // FrenchCanadian
1732 cs
= Terminal
.charsets
.FrenchCanadian
;
1735 cs
= Terminal
.charsets
.German
;
1737 case 'Y': // Italian
1738 cs
= Terminal
.charsets
.Italian
;
1740 case 'E': // NorwegianDanish
1742 cs
= Terminal
.charsets
.NorwegianDanish
;
1744 case 'Z': // Spanish
1745 cs
= Terminal
.charsets
.Spanish
;
1747 case 'H': // Swedish
1749 cs
= Terminal
.charsets
.Swedish
;
1752 cs
= Terminal
.charsets
.Swiss
;
1754 case '/': // ISOLatin (actually /A)
1755 cs
= Terminal
.charsets
.ISOLatin
;
1759 cs
= Terminal
.charsets
.US
;
1762 this.setgCharset(this.gcharset
, cs
);
1763 this.gcharset
= null;
1764 this.state
= normal
;
1770 // Set Text Parameters.
1771 if (ch
=== '\x1b' || ch
=== '\x07') {
1772 if (ch
=== '\x1b') i
++;
1774 this.params
.push(this.currentParam
);
1776 switch (this.params
[0]) {
1780 if (this.params
[1]) {
1781 this.title
= this.params
[1];
1782 this.handleTitle(this.title
);
1790 // change dynamic colors
1802 // change dynamic ui colors
1814 // manipulate selection data
1832 this.currentParam
= 0;
1833 this.state
= normal
;
1835 if (!this.params
.length
) {
1836 if (ch
>= '0' && ch
<= '9') {
1838 this.currentParam
* 10 + ch
.charCodeAt(0) - 48;
1839 } else if (ch
=== ';') {
1840 this.params
.push(this.currentParam
);
1841 this.currentParam
= '';
1844 this.currentParam
+= ch
;
1851 if (ch
=== '?' || ch
=== '>' || ch
=== '!') {
1857 if (ch
>= '0' && ch
<= '9') {
1858 this.currentParam
= this.currentParam
* 10 + ch
.charCodeAt(0) - 48;
1862 // '$', '"', ' ', '\''
1863 if (ch
=== '$' || ch
=== '"' || ch
=== ' ' || ch
=== '\'') {
1868 this.params
.push(this.currentParam
);
1869 this.currentParam
= 0;
1872 if (ch
=== ';') break;
1874 this.state
= normal
;
1878 // Cursor Up Ps Times (default = 1) (CUU).
1880 this.cursorUp(this.params
);
1884 // Cursor Down Ps Times (default = 1) (CUD).
1886 this.cursorDown(this.params
);
1890 // Cursor Forward Ps Times (default = 1) (CUF).
1892 this.cursorForward(this.params
);
1896 // Cursor Backward Ps Times (default = 1) (CUB).
1898 this.cursorBackward(this.params
);
1902 // Cursor Position [row;column] (default = [1,1]) (CUP).
1904 this.cursorPos(this.params
);
1907 // CSI Ps J Erase in Display (ED).
1909 this.eraseInDisplay(this.params
);
1912 // CSI Ps K Erase in Line (EL).
1914 this.eraseInLine(this.params
);
1917 // CSI Pm m Character Attributes (SGR).
1920 this.charAttributes(this.params
);
1924 // CSI Ps n Device Status Report (DSR).
1927 this.deviceStatus(this.params
);
1936 // Insert Ps (Blank) Character(s) (default = 1) (ICH).
1938 this.insertChars(this.params
);
1942 // Cursor Next Line Ps Times (default = 1) (CNL).
1944 this.cursorNextLine(this.params
);
1948 // Cursor Preceding Line Ps Times (default = 1) (CNL).
1950 this.cursorPrecedingLine(this.params
);
1954 // Cursor Character Absolute [column] (default = [row,1]) (CHA).
1956 this.cursorCharAbsolute(this.params
);
1960 // Insert Ps Line(s) (default = 1) (IL).
1962 this.insertLines(this.params
);
1966 // Delete Ps Line(s) (default = 1) (DL).
1968 this.deleteLines(this.params
);
1972 // Delete Ps Character(s) (default = 1) (DCH).
1974 this.deleteChars(this.params
);
1978 // Erase Ps Character(s) (default = 1) (ECH).
1980 this.eraseChars(this.params
);
1983 // CSI Pm ` Character Position Absolute
1984 // [column] (default = [row,1]) (HPA).
1986 this.charPosAbsolute(this.params
);
1990 // Horizontal Position Relative
1992 this.HPositionRelative(this.params
);
1996 // Send Device Attributes (Primary DA).
1998 // Send Device Attributes (Secondary DA)
2000 this.sendDeviceAttributes(this.params
);
2004 // Line Position Absolute [row] (default = [1,column]) (VPA).
2006 this.linePosAbsolute(this.params
);
2009 // 145 65 e * VPR - Vertical Position Relative
2011 this.VPositionRelative(this.params
);
2015 // Horizontal and Vertical Position [row;column] (default =
2018 this.HVPosition(this.params
);
2021 // CSI Pm h Set Mode (SM).
2022 // CSI ? Pm h - mouse escape codes, cursor escape codes
2024 this.setMode(this.params
);
2027 // CSI Pm l Reset Mode (RM).
2030 this.resetMode(this.params
);
2034 // Set Scrolling Region [top;bottom] (default = full size of win-
2038 this.setScrollRegion(this.params
);
2042 // Save cursor (ANSI.SYS).
2044 this.saveCursor(this.params
);
2048 // Restore cursor (ANSI.SYS).
2050 this.restoreCursor(this.params
);
2058 // Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
2060 this.cursorForwardTab(this.params
);
2063 // CSI Ps S Scroll up Ps lines (default = 1) (SU).
2065 this.scrollUp(this.params
);
2068 // CSI Ps T Scroll down Ps lines (default = 1) (SD).
2069 // CSI Ps ; Ps ; Ps ; Ps ; Ps T
2072 // if (this.prefix === '>') {
2073 // this.resetTitleModes(this.params);
2076 // if (this.params.length > 2) {
2077 // this.initMouseTracking(this.params);
2080 if (this.params
.length
< 2 && !this.prefix
) {
2081 this.scrollDown(this.params
);
2086 // Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
2088 this.cursorBackwardTab(this.params
);
2091 // CSI Ps b Repeat the preceding graphic character Ps times (REP).
2093 this.repeatPrecedingCharacter(this.params
);
2096 // CSI Ps g Tab Clear (TBC).
2098 this.tabClear(this.params
);
2101 // CSI Pm i Media Copy (MC).
2104 // this.mediaCopy(this.params);
2107 // CSI Pm m Character Attributes (SGR).
2109 // case 'm': // duplicate
2110 // if (this.prefix === '>') {
2111 // this.setResources(this.params);
2113 // this.charAttributes(this.params);
2117 // CSI Ps n Device Status Report (DSR).
2119 // case 'n': // duplicate
2120 // if (this.prefix === '>') {
2121 // this.disableModifiers(this.params);
2123 // this.deviceStatus(this.params);
2127 // CSI > Ps p Set pointer mode.
2128 // CSI ! p Soft terminal reset (DECSTR).
2130 // Request ANSI mode (DECRQM).
2132 // Request DEC private mode (DECRQM).
2135 switch (this.prefix
) {
2137 // this.setPointerMode(this.params);
2140 this.softReset(this.params
);
2143 // if (this.postfix === '$') {
2144 // this.requestPrivateMode(this.params);
2148 // if (this.postfix === '"') {
2149 // this.setConformanceLevel(this.params);
2150 // } else if (this.postfix === '$') {
2151 // this.requestAnsiMode(this.params);
2157 // CSI Ps q Load LEDs (DECLL).
2161 // if (this.postfix === ' ') {
2162 // this.setCursorStyle(this.params);
2165 // if (this.postfix === '"') {
2166 // this.setCharProtectionAttr(this.params);
2169 // this.loadLEDs(this.params);
2173 // Set Scrolling Region [top;bottom] (default = full size of win-
2176 // CSI Pt; Pl; Pb; Pr; Ps$ r
2177 // case 'r': // duplicate
2178 // if (this.prefix === '?') {
2179 // this.restorePrivateValues(this.params);
2180 // } else if (this.postfix === '$') {
2181 // this.setAttrInRectangle(this.params);
2183 // this.setScrollRegion(this.params);
2187 // CSI s Save cursor (ANSI.SYS).
2189 // case 's': // duplicate
2190 // if (this.prefix === '?') {
2191 // this.savePrivateValues(this.params);
2193 // this.saveCursor(this.params);
2197 // CSI Ps ; Ps ; Ps t
2198 // CSI Pt; Pl; Pb; Pr; Ps$ t
2202 // if (this.postfix === '$') {
2203 // this.reverseAttrInRectangle(this.params);
2204 // } else if (this.postfix === ' ') {
2205 // this.setWarningBellVolume(this.params);
2207 // if (this.prefix === '>') {
2208 // this.setTitleModeFeature(this.params);
2210 // this.manipulateWindow(this.params);
2215 // CSI u Restore cursor (ANSI.SYS).
2217 // case 'u': // duplicate
2218 // if (this.postfix === ' ') {
2219 // this.setMarginBellVolume(this.params);
2221 // this.restoreCursor(this.params);
2225 // CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v
2227 // if (this.postfix === '$') {
2228 // this.copyRectagle(this.params);
2232 // CSI Pt ; Pl ; Pb ; Pr ' w
2234 // if (this.postfix === '\'') {
2235 // this.enableFilterRectangle(this.params);
2239 // CSI Ps x Request Terminal Parameters (DECREQTPARM).
2240 // CSI Ps x Select Attribute Change Extent (DECSACE).
2241 // CSI Pc; Pt; Pl; Pb; Pr$ x
2243 // if (this.postfix === '$') {
2244 // this.fillRectangle(this.params);
2246 // this.requestParameters(this.params);
2247 // //this.__(this.params);
2252 // CSI Pt; Pl; Pb; Pr$ z
2254 // if (this.postfix === '\'') {
2255 // this.enableLocatorReporting(this.params);
2256 // } else if (this.postfix === '$') {
2257 // this.eraseRectangle(this.params);
2262 // CSI Pt; Pl; Pb; Pr$ {
2264 // if (this.postfix === '\'') {
2265 // this.setLocatorEvents(this.params);
2266 // } else if (this.postfix === '$') {
2267 // this.selectiveEraseRectangle(this.params);
2273 // if (this.postfix === '\'') {
2274 // this.requestLocatorPosition(this.params);
2279 // Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
2281 // if (this.postfix === ' ') {
2282 // this.insertColumns(this.params);
2287 // Delete P s Column(s) (default = 1) (DECDC), VT420 and up
2289 // if (this.postfix === ' ') {
2290 // this.deleteColumns(this.params);
2295 this.error('Unknown CSI code: %s.', ch
);
2304 if (ch
=== '\x1b' || ch
=== '\x07') {
2305 if (ch
=== '\x1b') i
++;
2307 switch (this.prefix
) {
2308 // User-Defined Keys (DECUDK).
2312 // Request Status String (DECRQSS).
2313 // test: echo -e '\eP$q"p\e\\'
2315 var pt
= this.currentParam
2332 + (this.scrollTop
+ 1)
2334 + (this.scrollBottom
+ 1)
2344 this.error('Unknown DCS Pt: %s.', pt
);
2349 this.send('\x1bP' + +valid
+ '$r' + pt
+ '\x1b\\');
2352 // Set Termcap/Terminfo Data (xterm, experimental).
2356 // Request Termcap/Terminfo String (xterm, experimental)
2357 // Regular xterm does not even respond to this sequence.
2358 // This can cause a small glitch in vim.
2359 // test: echo -ne '\eP+q6b64\e\\'
2361 var pt
= this.currentParam
2364 this.send('\x1bP' + +valid
+ '+r' + pt
+ '\x1b\\');
2368 this.error('Unknown DCS prefix: %s.', this.prefix
);
2372 this.currentParam
= 0;
2374 this.state
= normal
;
2375 } else if (!this.currentParam
) {
2376 if (!this.prefix
&& ch
!== '$' && ch
!== '+') {
2377 this.currentParam
= ch
;
2378 } else if (this.prefix
.length
=== 2) {
2379 this.currentParam
= ch
;
2384 this.currentParam
+= ch
;
2390 if (ch
=== '\x1b' || ch
=== '\x07') {
2391 if (ch
=== '\x1b') i
++;
2392 this.state
= normal
;
2398 this.updateRange(this.y
);
2399 this.refresh(this.refreshStart
, this.refreshEnd
);
2403 * Writes text to the terminal, followed by a break line character (\n).
2404 * @param {string} text The text to write to the terminal.
2406 Terminal
.prototype.writeln = function(data
) {
2407 this.write(data
+ '\r\n');
2411 * Attaches a custom keydown handler which is run before keys are processed, giving consumers of
2412 * xterm.js ultimate control as to what keys should be processed by the terminal and what keys
2414 * @param {function} customKeydownHandler The custom KeyboardEvent handler to attach. This is a
2415 * function that takes a KeyboardEvent, allowing consumers to stop propogation and/or prevent
2416 * the default action. The function returns whether the event should be processed by xterm.js.
2418 Terminal
.prototype.attachCustomKeydownHandler = function(customKeydownHandler
) {
2419 this.customKeydownHandler
= customKeydownHandler
;
2423 * Handle a keydown event
2425 * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent
2426 * @param {KeyboardEvent} ev The keydown event to be handled.
2428 Terminal
.prototype.keyDown = function(ev
) {
2429 // Scroll down to prompt, whenever the user presses a key.
2430 if (!Keyboard
.isModifierOnlyKeyboardEvent(ev
) && this.ybase
!== this.ydisp
) {
2431 this.scrollToBottom();
2434 if (this.customKeydownHandler
&& this.customKeydownHandler(ev
) === false) {
2438 if (!this.compositionHelper
.keydown
.bind(this.compositionHelper
)(ev
)) {
2443 var result
= this.evaluateKeyEscapeSequence(ev
);
2445 if (result
.scrollDisp
) {
2446 this.scrollDisp(result
.scrollDisp
);
2447 return this.cancel(ev
, true);
2450 if (isThirdLevelShift(this, ev
)) {
2454 if (result
.cancel
) {
2455 // The event is canceled at the end already, is this necessary?
2456 this.cancel(ev
, true);
2463 this.emit('keydown', ev
);
2464 this.emit('key', result
.key
, ev
);
2466 this.handler(result
.key
);
2468 return this.cancel(ev
, true);
2472 * Returns an object that determines how a KeyboardEvent should be handled. The key of the
2473 * returned value is the new key code to pass to the PTY.
2475 * Reference: http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
2476 * @param {KeyboardEvent} ev The keyboard event to be translated to key escape sequence.
2478 Terminal
.prototype.evaluateKeyEscapeSequence = function(ev
) {
2480 // Whether to cancel event propogation (NOTE: this may not be needed since the event is
2481 // canceled at the end of keyDown
2483 // The new key even to emit
2485 // The number of characters to scroll, if this is defined it will cancel the event
2486 scrollDisp
: undefined
2488 var modifiers
= ev
.shiftKey
<< 0 | ev
.altKey
<< 1 | ev
.ctrlKey
<< 2 | ev
.metaKey
<< 3;
2489 switch (ev
.keyCode
) {
2493 result
.key
= '\x08'; // ^H
2496 result
.key
= '\x7f'; // ^?
2501 result
.key
= '\x1b[Z';
2505 result
.cancel
= true;
2510 result
.cancel
= true;
2514 result
.key
= '\x1b';
2515 result
.cancel
= true;
2520 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'D';
2521 // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards
2522 // http://unix.stackexchange.com/a/108106
2523 if (result
.key
== '\x1b[1;3D') {
2524 result
.key
= '\x1b[1;5D';
2526 } else if (this.applicationCursor
) {
2527 result
.key
= '\x1bOD';
2529 result
.key
= '\x1b[D';
2535 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'C';
2536 // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward
2537 // http://unix.stackexchange.com/a/108106
2538 if (result
.key
== '\x1b[1;3C') {
2539 result
.key
= '\x1b[1;5C';
2541 } else if (this.applicationCursor
) {
2542 result
.key
= '\x1bOC';
2544 result
.key
= '\x1b[C';
2550 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'A';
2551 // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow
2552 // http://unix.stackexchange.com/a/108106
2553 if (result
.key
== '\x1b[1;3A') {
2554 result
.key
= '\x1b[1;5A';
2556 } else if (this.applicationCursor
) {
2557 result
.key
= '\x1bOA';
2559 result
.key
= '\x1b[A';
2565 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'B';
2566 // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow
2567 // http://unix.stackexchange.com/a/108106
2568 if (result
.key
== '\x1b[1;3B') {
2569 result
.key
= '\x1b[1;5B';
2571 } else if (this.applicationCursor
) {
2572 result
.key
= '\x1bOB';
2574 result
.key
= '\x1b[B';
2579 if (!ev
.shiftKey
&& !ev
.ctrlKey
) {
2580 // <Ctrl> or <Shift> + <Insert> are used to
2581 // copy-paste on some systems.
2582 result
.key
= '\x1b[2~';
2588 result
.key
= '\x1b[3;' + (modifiers
+ 1) + '~';
2590 result
.key
= '\x1b[3~';
2596 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'H';
2597 else if (this.applicationCursor
)
2598 result
.key
= '\x1bOH';
2600 result
.key
= '\x1b[H';
2605 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'F';
2606 else if (this.applicationCursor
)
2607 result
.key
= '\x1bOF';
2609 result
.key
= '\x1b[F';
2614 result
.scrollDisp
= -(this.rows
- 1);
2616 result
.key
= '\x1b[5~';
2622 result
.scrollDisp
= this.rows
- 1;
2624 result
.key
= '\x1b[6~';
2630 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'P';
2632 result
.key
= '\x1bOP';
2637 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'Q';
2639 result
.key
= '\x1bOQ';
2644 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'R';
2646 result
.key
= '\x1bOR';
2651 result
.key
= '\x1b[1;' + (modifiers
+ 1) + 'S';
2653 result
.key
= '\x1bOS';
2658 result
.key
= '\x1b[15;' + (modifiers
+ 1) + '~';
2660 result
.key
= '\x1b[15~';
2665 result
.key
= '\x1b[17;' + (modifiers
+ 1) + '~';
2667 result
.key
= '\x1b[17~';
2672 result
.key
= '\x1b[18;' + (modifiers
+ 1) + '~';
2674 result
.key
= '\x1b[18~';
2679 result
.key
= '\x1b[19;' + (modifiers
+ 1) + '~';
2681 result
.key
= '\x1b[19~';
2686 result
.key
= '\x1b[20;' + (modifiers
+ 1) + '~';
2688 result
.key
= '\x1b[20~';
2693 result
.key
= '\x1b[21;' + (modifiers
+ 1) + '~';
2695 result
.key
= '\x1b[21~';
2700 result
.key
= '\x1b[23;' + (modifiers
+ 1) + '~';
2702 result
.key
= '\x1b[23~';
2707 result
.key
= '\x1b[24;' + (modifiers
+ 1) + '~';
2709 result
.key
= '\x1b[24~';
2714 if (ev
.ctrlKey
&& !ev
.shiftKey
&& !ev
.altKey
&& !ev
.metaKey
) {
2715 if (ev
.keyCode
>= 65 && ev
.keyCode
<= 90) {
2716 result
.key
= String
.fromCharCode(ev
.keyCode
- 64);
2717 } else if (ev
.keyCode
=== 32) {
2719 result
.key
= String
.fromCharCode(0);
2720 } else if (ev
.keyCode
>= 51 && ev
.keyCode
<= 55) {
2721 // escape, file sep, group sep, record sep, unit sep
2722 result
.key
= String
.fromCharCode(ev
.keyCode
- 51 + 27);
2723 } else if (ev
.keyCode
=== 56) {
2725 result
.key
= String
.fromCharCode(127);
2726 } else if (ev
.keyCode
=== 219) {
2728 result
.key
= String
.fromCharCode(27);
2729 } else if (ev
.keyCode
=== 221) {
2731 result
.key
= String
.fromCharCode(29);
2733 } else if (!this.browser
.isMac
&& ev
.altKey
&& !ev
.ctrlKey
&& !ev
.metaKey
) {
2734 // On Mac this is a third level shift. Use <Esc> instead.
2735 if (ev
.keyCode
>= 65 && ev
.keyCode
<= 90) {
2736 result
.key
= '\x1b' + String
.fromCharCode(ev
.keyCode
+ 32);
2737 } else if (ev
.keyCode
=== 192) {
2738 result
.key
= '\x1b`';
2739 } else if (ev
.keyCode
>= 48 && ev
.keyCode
<= 57) {
2740 result
.key
= '\x1b' + (ev
.keyCode
- 48);
2749 * Set the G level of the terminal
2752 Terminal
.prototype.setgLevel = function(g
) {
2754 this.charset
= this.charsets
[g
];
2758 * Set the charset for the given G level of the terminal
2762 Terminal
.prototype.setgCharset = function(g
, charset
) {
2763 this.charsets
[g
] = charset
;
2764 if (this.glevel
=== g
) {
2765 this.charset
= charset
;
2770 * Handle a keypress event.
2772 * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent
2773 * @param {KeyboardEvent} ev The keypress event to be handled.
2775 Terminal
.prototype.keyPress = function(ev
) {
2782 } else if (ev
.which
== null) {
2784 } else if (ev
.which
!== 0 && ev
.charCode
!== 0) {
2791 (ev
.altKey
|| ev
.ctrlKey
|| ev
.metaKey
) && !isThirdLevelShift(this, ev
)
2796 key
= String
.fromCharCode(key
);
2798 this.emit('keypress', key
, ev
);
2799 this.emit('key', key
, ev
);
2807 * Send data for handling to the terminal
2808 * @param {string} data
2810 Terminal
.prototype.send = function(data
) {
2814 setTimeout(function() {
2815 self
.handler(self
.queue
);
2825 * Note: We could do sweet things with webaudio here
2827 Terminal
.prototype.bell = function() {
2828 if (!this.visualBell
) return;
2830 this.element
.style
.borderColor
= 'white';
2831 setTimeout(function() {
2832 self
.element
.style
.borderColor
= '';
2834 if (this.popOnBell
) this.focus();
2838 * Log the current state to the console.
2840 Terminal
.prototype.log = function() {
2841 if (!this.debug
) return;
2842 if (!this.context
.console
|| !this.context
.console
.log
) return;
2843 var args
= Array
.prototype.slice
.call(arguments
);
2844 this.context
.console
.log
.apply(this.context
.console
, args
);
2848 * Log the current state as error to the console.
2850 Terminal
.prototype.error = function() {
2851 if (!this.debug
) return;
2852 if (!this.context
.console
|| !this.context
.console
.error
) return;
2853 var args
= Array
.prototype.slice
.call(arguments
);
2854 this.context
.console
.error
.apply(this.context
.console
, args
);
2858 * Resizes the terminal.
2860 * @param {number} x The number of columns to resize to.
2861 * @param {number} y The number of rows to resize to.
2863 Terminal
.prototype.resize = function(x
, y
) {
2871 if (x
=== this.cols
&& y
=== this.rows
) {
2881 ch
= [this.defAttr
, ' ', 1]; // does xterm use the default attr?
2882 i
= this.lines
.length
;
2884 while (this.lines
[i
].length
< x
) {
2885 this.lines
[i
].push(ch
);
2889 i
= this.lines
.length
;
2891 while (this.lines
[i
].length
> x
) {
2892 this.lines
[i
].pop();
2905 // y is rows, not this.y
2906 if (this.lines
.length
< y
+ this.ybase
) {
2907 if (this.ybase
> 0 && this.lines
.length
<= this.ybase
+ this.y
+ addToY
+ 1) {
2908 // There is room above the buffer and there are no empty elements below the line,
2912 if (this.ydisp
> 0) {
2913 // Viewport is at the top of the buffer, must increase downwards
2917 // Add a blank line if there is no buffer left at the top to scroll to, or if there
2918 // are blank lines after the cursor
2919 this.lines
.push(this.blankLine());
2922 if (this.children
.length
< y
) {
2928 if (this.lines
.length
> y
+ this.ybase
) {
2929 if (this.lines
.length
> this.ybase
+ this.y
+ 1) {
2930 // The line is a blank line below the cursor, remove it
2933 // The line is the cursor, scroll down
2938 if (this.children
.length
> y
) {
2939 el
= this.children
.shift();
2941 el
.parentNode
.removeChild(el
);
2947 // Make sure that the cursor stays on screen
2960 this.scrollBottom
= y
- 1;
2962 this.refresh(0, this.rows
- 1);
2966 this.geometry
= [this.cols
, this.rows
];
2967 this.emit('resize', {terminal
: this, cols
: x
, rows
: y
});
2971 * Updates the range of rows to refresh
2972 * @param {number} y The number of rows to refresh next.
2974 Terminal
.prototype.updateRange = function(y
) {
2975 if (y
< this.refreshStart
) this.refreshStart
= y
;
2976 if (y
> this.refreshEnd
) this.refreshEnd
= y
;
2977 // if (y > this.refreshEnd) {
2978 // this.refreshEnd = y;
2979 // if (y > this.rows - 1) {
2980 // this.refreshEnd = this.rows - 1;
2986 * Set the range of refreshing to the maximum value
2988 Terminal
.prototype.maxRange = function() {
2989 this.refreshStart
= 0;
2990 this.refreshEnd
= this.rows
- 1;
2996 * Setup the tab stops.
2999 Terminal
.prototype.setupStops = function(i
) {
3001 if (!this.tabs
[i
]) {
3002 i
= this.prevStop(i
);
3009 for (; i
< this.cols
; i
+= 8) {
3010 this.tabs
[i
] = true;
3016 * Move the cursor to the previous tab stop from the given position (default is current).
3017 * @param {number} x The position to move the cursor to the previous tab stop.
3019 Terminal
.prototype.prevStop = function(x
) {
3020 if (x
== null) x
= this.x
;
3021 while (!this.tabs
[--x
] && x
> 0);
3022 return x
>= this.cols
3029 * Move the cursor one tab stop forward from the given position (default is current).
3030 * @param {number} x The position to move the cursor one tab stop forward.
3032 Terminal
.prototype.nextStop = function(x
) {
3033 if (x
== null) x
= this.x
;
3034 while (!this.tabs
[++x
] && x
< this.cols
);
3035 return x
>= this.cols
3042 * Erase in the identified line everything from "x" to the end of the line (right).
3043 * @param {number} x The column from which to start erasing to the end of the line.
3044 * @param {number} y The line in which to operate.
3046 Terminal
.prototype.eraseRight = function(x
, y
) {
3047 var line
= this.lines
[this.ybase
+ y
]
3048 , ch
= [this.eraseAttr(), ' ', 1]; // xterm
3051 for (; x
< this.cols
; x
++) {
3055 this.updateRange(y
);
3061 * Erase in the identified line everything from "x" to the start of the line (left).
3062 * @param {number} x The column from which to start erasing to the start of the line.
3063 * @param {number} y The line in which to operate.
3065 Terminal
.prototype.eraseLeft = function(x
, y
) {
3066 var line
= this.lines
[this.ybase
+ y
]
3067 , ch
= [this.eraseAttr(), ' ', 1]; // xterm
3070 while (x
--) line
[x
] = ch
;
3072 this.updateRange(y
);
3076 * Clears the entire buffer, making the prompt line the new first line.
3078 Terminal
.prototype.clear = function() {
3079 if (this.ybase
=== 0 && this.y
=== 0) {
3080 // Don't clear if it's already clear
3083 this.lines
= [this.lines
[this.ybase
+ this.y
]];
3087 for (var i
= 1; i
< this.rows
; i
++) {
3088 this.lines
.push(this.blankLine());
3090 this.refresh(0, this.rows
- 1);
3091 this.emit('scroll', this.ydisp
);
3095 * Erase all content in the given line
3096 * @param {number} y The line to erase all of its contents.
3098 Terminal
.prototype.eraseLine = function(y
) {
3099 this.eraseRight(0, y
);
3104 * Return the data array of a blank line/
3105 * @param {number} cur First bunch of data for each "blank" character.
3107 Terminal
.prototype.blankLine = function(cur
) {
3112 var ch
= [attr
, ' ', 1] // width defaults to 1 halfwidth character
3116 for (; i
< this.cols
; i
++) {
3125 * If cur return the back color xterm feature attribute. Else return defAttr.
3126 * @param {object} cur
3128 Terminal
.prototype.ch = function(cur
) {
3130 ? [this.eraseAttr(), ' ', 1]
3131 : [this.defAttr
, ' ', 1];
3136 * Evaluate if the current erminal is the given argument.
3137 * @param {object} term The terminal to evaluate
3139 Terminal
.prototype.is = function(term
) {
3140 var name
= this.termName
;
3141 return (name
+ '').indexOf(term
) === 0;
3146 * Emit the 'data' event and populate the given data.
3147 * @param {string} data The data to populate in the event.
3149 Terminal
.prototype.handler = function(data
) {
3150 this.emit('data', data
);
3155 * Emit the 'title' event and populate the given title.
3156 * @param {string} title The title to populate in the event.
3158 Terminal
.prototype.handleTitle = function(title
) {
3160 * This event is emitted when the title of the terminal is changed
3161 * from inside the terminal. The parameter is the new title.
3165 this.emit('title', title
);
3174 * ESC D Index (IND is 0x84).
3176 Terminal
.prototype.index = function() {
3178 if (this.y
> this.scrollBottom
) {
3182 this.state
= normal
;
3187 * ESC M Reverse Index (RI is 0x8d).
3189 Terminal
.prototype.reverseIndex = function() {
3192 if (this.y
< this.scrollTop
) {
3194 // possibly move the code below to term.reverseScroll();
3195 // test: echo -ne '\e[1;1H\e[44m\eM\e[0m'
3196 // blankLine(true) is xterm/linux behavior
3197 this.lines
.splice(this.y
+ this.ybase
, 0, this.blankLine(true));
3198 j
= this.rows
- 1 - this.scrollBottom
;
3199 this.lines
.splice(this.rows
- 1 + this.ybase
- j
+ 1, 1);
3201 this.updateRange(this.scrollTop
);
3202 this.updateRange(this.scrollBottom
);
3204 this.state
= normal
;
3209 * ESC c Full Reset (RIS).
3211 Terminal
.prototype.reset = function() {
3212 this.options
.rows
= this.rows
;
3213 this.options
.cols
= this.cols
;
3214 var customKeydownHandler
= this.customKeydownHandler
;
3215 Terminal
.call(this, this.options
);
3216 this.customKeydownHandler
= customKeydownHandler
;
3217 this.refresh(0, this.rows
- 1);
3218 this.viewport
.syncScrollArea();
3223 * ESC H Tab Set (HTS is 0x88).
3225 Terminal
.prototype.tabSet = function() {
3226 this.tabs
[this.x
] = true;
3227 this.state
= normal
;
3237 * Cursor Up Ps Times (default = 1) (CUU).
3239 Terminal
.prototype.cursorUp = function(params
) {
3240 var param
= params
[0];
3241 if (param
< 1) param
= 1;
3243 if (this.y
< 0) this.y
= 0;
3249 * Cursor Down Ps Times (default = 1) (CUD).
3251 Terminal
.prototype.cursorDown = function(params
) {
3252 var param
= params
[0];
3253 if (param
< 1) param
= 1;
3255 if (this.y
>= this.rows
) {
3256 this.y
= this.rows
- 1;
3263 * Cursor Forward Ps Times (default = 1) (CUF).
3265 Terminal
.prototype.cursorForward = function(params
) {
3266 var param
= params
[0];
3267 if (param
< 1) param
= 1;
3269 if (this.x
>= this.cols
) {
3270 this.x
= this.cols
- 1;
3277 * Cursor Backward Ps Times (default = 1) (CUB).
3279 Terminal
.prototype.cursorBackward = function(params
) {
3280 var param
= params
[0];
3281 if (param
< 1) param
= 1;
3283 if (this.x
< 0) this.x
= 0;
3289 * Cursor Position [row;column] (default = [1,1]) (CUP).
3291 Terminal
.prototype.cursorPos = function(params
) {
3294 row
= params
[0] - 1;
3296 if (params
.length
>= 2) {
3297 col
= params
[1] - 1;
3304 } else if (row
>= this.rows
) {
3305 row
= this.rows
- 1;
3310 } else if (col
>= this.cols
) {
3311 col
= this.cols
- 1;
3320 * CSI Ps J Erase in Display (ED).
3321 * Ps = 0 -> Erase Below (default).
3322 * Ps = 1 -> Erase Above.
3323 * Ps = 2 -> Erase All.
3324 * Ps = 3 -> Erase Saved Lines (xterm).
3326 * Erase in Display (DECSED).
3327 * Ps = 0 -> Selective Erase Below (default).
3328 * Ps = 1 -> Selective Erase Above.
3329 * Ps = 2 -> Selective Erase All.
3331 Terminal
.prototype.eraseInDisplay = function(params
) {
3333 switch (params
[0]) {
3335 this.eraseRight(this.x
, this.y
);
3337 for (; j
< this.rows
; j
++) {
3342 this.eraseLeft(this.x
, this.y
);
3350 while (j
--) this.eraseLine(j
);
3360 * CSI Ps K Erase in Line (EL).
3361 * Ps = 0 -> Erase to Right (default).
3362 * Ps = 1 -> Erase to Left.
3363 * Ps = 2 -> Erase All.
3365 * Erase in Line (DECSEL).
3366 * Ps = 0 -> Selective Erase to Right (default).
3367 * Ps = 1 -> Selective Erase to Left.
3368 * Ps = 2 -> Selective Erase All.
3370 Terminal
.prototype.eraseInLine = function(params
) {
3371 switch (params
[0]) {
3373 this.eraseRight(this.x
, this.y
);
3376 this.eraseLeft(this.x
, this.y
);
3379 this.eraseLine(this.y
);
3386 * CSI Pm m Character Attributes (SGR).
3387 * Ps = 0 -> Normal (default).
3389 * Ps = 4 -> Underlined.
3390 * Ps = 5 -> Blink (appears as Bold).
3391 * Ps = 7 -> Inverse.
3392 * Ps = 8 -> Invisible, i.e., hidden (VT300).
3393 * Ps = 2 2 -> Normal (neither bold nor faint).
3394 * Ps = 2 4 -> Not underlined.
3395 * Ps = 2 5 -> Steady (not blinking).
3396 * Ps = 2 7 -> Positive (not inverse).
3397 * Ps = 2 8 -> Visible, i.e., not hidden (VT300).
3398 * Ps = 3 0 -> Set foreground color to Black.
3399 * Ps = 3 1 -> Set foreground color to Red.
3400 * Ps = 3 2 -> Set foreground color to Green.
3401 * Ps = 3 3 -> Set foreground color to Yellow.
3402 * Ps = 3 4 -> Set foreground color to Blue.
3403 * Ps = 3 5 -> Set foreground color to Magenta.
3404 * Ps = 3 6 -> Set foreground color to Cyan.
3405 * Ps = 3 7 -> Set foreground color to White.
3406 * Ps = 3 9 -> Set foreground color to default (original).
3407 * Ps = 4 0 -> Set background color to Black.
3408 * Ps = 4 1 -> Set background color to Red.
3409 * Ps = 4 2 -> Set background color to Green.
3410 * Ps = 4 3 -> Set background color to Yellow.
3411 * Ps = 4 4 -> Set background color to Blue.
3412 * Ps = 4 5 -> Set background color to Magenta.
3413 * Ps = 4 6 -> Set background color to Cyan.
3414 * Ps = 4 7 -> Set background color to White.
3415 * Ps = 4 9 -> Set background color to default (original).
3417 * If 16-color support is compiled, the following apply. Assume
3418 * that xterm's resources are set so that the ISO color codes are
3419 * the first 8 of a set of 16. Then the aixterm colors are the
3420 * bright versions of the ISO colors:
3421 * Ps = 9 0 -> Set foreground color to Black.
3422 * Ps = 9 1 -> Set foreground color to Red.
3423 * Ps = 9 2 -> Set foreground color to Green.
3424 * Ps = 9 3 -> Set foreground color to Yellow.
3425 * Ps = 9 4 -> Set foreground color to Blue.
3426 * Ps = 9 5 -> Set foreground color to Magenta.
3427 * Ps = 9 6 -> Set foreground color to Cyan.
3428 * Ps = 9 7 -> Set foreground color to White.
3429 * Ps = 1 0 0 -> Set background color to Black.
3430 * Ps = 1 0 1 -> Set background color to Red.
3431 * Ps = 1 0 2 -> Set background color to Green.
3432 * Ps = 1 0 3 -> Set background color to Yellow.
3433 * Ps = 1 0 4 -> Set background color to Blue.
3434 * Ps = 1 0 5 -> Set background color to Magenta.
3435 * Ps = 1 0 6 -> Set background color to Cyan.
3436 * Ps = 1 0 7 -> Set background color to White.
3438 * If xterm is compiled with the 16-color support disabled, it
3439 * supports the following, from rxvt:
3440 * Ps = 1 0 0 -> Set foreground and background color to
3443 * If 88- or 256-color support is compiled, the following apply.
3444 * Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second
3446 * Ps = 4 8 ; 5 ; Ps -> Set background color to the second
3449 Terminal
.prototype.charAttributes = function(params
) {
3450 // Optimize a single SGR0.
3451 if (params
.length
=== 1 && params
[0] === 0) {
3452 this.curAttr
= this.defAttr
;
3456 var l
= params
.length
3458 , flags
= this.curAttr
>> 18
3459 , fg
= (this.curAttr
>> 9) & 0x1ff
3460 , bg
= this.curAttr
& 0x1ff
3463 for (; i
< l
; i
++) {
3465 if (p
>= 30 && p
<= 37) {
3468 } else if (p
>= 40 && p
<= 47) {
3471 } else if (p
>= 90 && p
<= 97) {
3475 } else if (p
>= 100 && p
<= 107) {
3479 } else if (p
=== 0) {
3481 flags
= this.defAttr
>> 18;
3482 fg
= (this.defAttr
>> 9) & 0x1ff;
3483 bg
= this.defAttr
& 0x1ff;
3487 } else if (p
=== 1) {
3490 } else if (p
=== 4) {
3493 } else if (p
=== 5) {
3496 } else if (p
=== 7) {
3497 // inverse and positive
3498 // test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m'
3500 } else if (p
=== 8) {
3503 } else if (p
=== 22) {
3506 } else if (p
=== 24) {
3509 } else if (p
=== 25) {
3512 } else if (p
=== 27) {
3515 } else if (p
=== 28) {
3518 } else if (p
=== 39) {
3520 fg
= (this.defAttr
>> 9) & 0x1ff;
3521 } else if (p
=== 49) {
3523 bg
= this.defAttr
& 0x1ff;
3524 } else if (p
=== 38) {
3526 if (params
[i
+ 1] === 2) {
3530 params
[i
+ 1] & 0xff,
3531 params
[i
+ 2] & 0xff);
3532 if (fg
=== -1) fg
= 0x1ff;
3534 } else if (params
[i
+ 1] === 5) {
3536 p
= params
[i
] & 0xff;
3539 } else if (p
=== 48) {
3541 if (params
[i
+ 1] === 2) {
3545 params
[i
+ 1] & 0xff,
3546 params
[i
+ 2] & 0xff);
3547 if (bg
=== -1) bg
= 0x1ff;
3549 } else if (params
[i
+ 1] === 5) {
3551 p
= params
[i
] & 0xff;
3554 } else if (p
=== 100) {
3556 fg
= (this.defAttr
>> 9) & 0x1ff;
3557 bg
= this.defAttr
& 0x1ff;
3559 this.error('Unknown SGR attribute: %d.', p
);
3563 this.curAttr
= (flags
<< 18) | (fg
<< 9) | bg
;
3568 * CSI Ps n Device Status Report (DSR).
3569 * Ps = 5 -> Status Report. Result (``OK'') is
3571 * Ps = 6 -> Report Cursor Position (CPR) [row;column].
3575 * Device Status Report (DSR, DEC-specific).
3576 * Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI
3577 * ? r ; c R (assumes page is zero).
3578 * Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready).
3579 * or CSI ? 1 1 n (not ready).
3580 * Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked)
3581 * or CSI ? 2 1 n (locked).
3582 * Ps = 2 6 -> Report Keyboard status as
3583 * CSI ? 2 7 ; 1 ; 0 ; 0 n (North American).
3584 * The last two parameters apply to VT400 & up, and denote key-
3585 * board ready and LK01 respectively.
3586 * Ps = 5 3 -> Report Locator status as
3587 * CSI ? 5 3 n Locator available, if compiled-in, or
3588 * CSI ? 5 0 n No Locator, if not.
3590 Terminal
.prototype.deviceStatus = function(params
) {
3592 switch (params
[0]) {
3595 this.send('\x1b[0n');
3606 } else if (this.prefix
=== '?') {
3607 // modern xterm doesnt seem to
3608 // respond to any of these except ?6, 6, and 5
3609 switch (params
[0]) {
3620 // this.send('\x1b[?11n');
3623 // dont support user defined keys
3624 // this.send('\x1b[?21n');
3627 // north american keyboard
3628 // this.send('\x1b[?27;1;0;0n');
3631 // no dec locator/mouse
3632 // this.send('\x1b[?50n');
3645 * Insert Ps (Blank) Character(s) (default = 1) (ICH).
3647 Terminal
.prototype.insertChars = function(params
) {
3648 var param
, row
, j
, ch
;
3651 if (param
< 1) param
= 1;
3653 row
= this.y
+ this.ybase
;
3655 ch
= [this.eraseAttr(), ' ', 1]; // xterm
3657 while (param
-- && j
< this.cols
) {
3658 this.lines
[row
].splice(j
++, 0, ch
);
3659 this.lines
[row
].pop();
3665 * Cursor Next Line Ps Times (default = 1) (CNL).
3666 * same as CSI Ps B ?
3668 Terminal
.prototype.cursorNextLine = function(params
) {
3669 var param
= params
[0];
3670 if (param
< 1) param
= 1;
3672 if (this.y
>= this.rows
) {
3673 this.y
= this.rows
- 1;
3681 * Cursor Preceding Line Ps Times (default = 1) (CNL).
3684 Terminal
.prototype.cursorPrecedingLine = function(params
) {
3685 var param
= params
[0];
3686 if (param
< 1) param
= 1;
3688 if (this.y
< 0) this.y
= 0;
3695 * Cursor Character Absolute [column] (default = [row,1]) (CHA).
3697 Terminal
.prototype.cursorCharAbsolute = function(params
) {
3698 var param
= params
[0];
3699 if (param
< 1) param
= 1;
3706 * Insert Ps Line(s) (default = 1) (IL).
3708 Terminal
.prototype.insertLines = function(params
) {
3712 if (param
< 1) param
= 1;
3713 row
= this.y
+ this.ybase
;
3715 j
= this.rows
- 1 - this.scrollBottom
;
3716 j
= this.rows
- 1 + this.ybase
- j
+ 1;
3719 // test: echo -e '\e[44m\e[1L\e[0m'
3720 // blankLine(true) - xterm/linux behavior
3721 this.lines
.splice(row
, 0, this.blankLine(true));
3722 this.lines
.splice(j
, 1);
3726 this.updateRange(this.y
);
3727 this.updateRange(this.scrollBottom
);
3733 * Delete Ps Line(s) (default = 1) (DL).
3735 Terminal
.prototype.deleteLines = function(params
) {
3739 if (param
< 1) param
= 1;
3740 row
= this.y
+ this.ybase
;
3742 j
= this.rows
- 1 - this.scrollBottom
;
3743 j
= this.rows
- 1 + this.ybase
- j
;
3746 // test: echo -e '\e[44m\e[1M\e[0m'
3747 // blankLine(true) - xterm/linux behavior
3748 this.lines
.splice(j
+ 1, 0, this.blankLine(true));
3749 this.lines
.splice(row
, 1);
3753 this.updateRange(this.y
);
3754 this.updateRange(this.scrollBottom
);
3760 * Delete Ps Character(s) (default = 1) (DCH).
3762 Terminal
.prototype.deleteChars = function(params
) {
3766 if (param
< 1) param
= 1;
3768 row
= this.y
+ this.ybase
;
3769 ch
= [this.eraseAttr(), ' ', 1]; // xterm
3772 this.lines
[row
].splice(this.x
, 1);
3773 this.lines
[row
].push(ch
);
3779 * Erase Ps Character(s) (default = 1) (ECH).
3781 Terminal
.prototype.eraseChars = function(params
) {
3782 var param
, row
, j
, ch
;
3785 if (param
< 1) param
= 1;
3787 row
= this.y
+ this.ybase
;
3789 ch
= [this.eraseAttr(), ' ', 1]; // xterm
3791 while (param
-- && j
< this.cols
) {
3792 this.lines
[row
][j
++] = ch
;
3797 * CSI Pm ` Character Position Absolute
3798 * [column] (default = [row,1]) (HPA).
3800 Terminal
.prototype.charPosAbsolute = function(params
) {
3801 var param
= params
[0];
3802 if (param
< 1) param
= 1;
3804 if (this.x
>= this.cols
) {
3805 this.x
= this.cols
- 1;
3812 * Horizontal Position Relative
3815 Terminal
.prototype.HPositionRelative = function(params
) {
3816 var param
= params
[0];
3817 if (param
< 1) param
= 1;
3819 if (this.x
>= this.cols
) {
3820 this.x
= this.cols
- 1;
3826 * CSI Ps c Send Device Attributes (Primary DA).
3827 * Ps = 0 or omitted -> request attributes from terminal. The
3828 * response depends on the decTerminalID resource setting.
3829 * -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'')
3830 * -> CSI ? 1 ; 0 c (``VT101 with No Options'')
3831 * -> CSI ? 6 c (``VT102'')
3832 * -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'')
3833 * The VT100-style response parameters do not mean anything by
3834 * themselves. VT220 parameters do, telling the host what fea-
3835 * tures the terminal supports:
3836 * Ps = 1 -> 132-columns.
3837 * Ps = 2 -> Printer.
3838 * Ps = 6 -> Selective erase.
3839 * Ps = 8 -> User-defined keys.
3840 * Ps = 9 -> National replacement character sets.
3841 * Ps = 1 5 -> Technical characters.
3842 * Ps = 2 2 -> ANSI color, e.g., VT525.
3843 * Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode).
3845 * Send Device Attributes (Secondary DA).
3846 * Ps = 0 or omitted -> request the terminal's identification
3847 * code. The response depends on the decTerminalID resource set-
3848 * ting. It should apply only to VT220 and up, but xterm extends
3850 * -> CSI > Pp ; Pv ; Pc c
3851 * where Pp denotes the terminal type
3852 * Pp = 0 -> ``VT100''.
3853 * Pp = 1 -> ``VT220''.
3854 * and Pv is the firmware version (for xterm, this was originally
3855 * the XFree86 patch number, starting with 95). In a DEC termi-
3856 * nal, Pc indicates the ROM cartridge registration number and is
3859 * xterm/charproc.c - line 2012, for more information.
3860 * vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)
3862 Terminal
.prototype.sendDeviceAttributes = function(params
) {
3863 if (params
[0] > 0) return;
3866 if (this.is('xterm')
3867 || this.is('rxvt-unicode')
3868 || this.is('screen')) {
3869 this.send('\x1b[?1;2c');
3870 } else if (this.is('linux')) {
3871 this.send('\x1b[?6c');
3873 } else if (this.prefix
=== '>') {
3875 // seem to spit this
3876 // out around ~370 times (?).
3877 if (this.is('xterm')) {
3878 this.send('\x1b[>0;276;0c');
3879 } else if (this.is('rxvt-unicode')) {
3880 this.send('\x1b[>85;95;0c');
3881 } else if (this.is('linux')) {
3882 // not supported by linux console.
3883 // linux console echoes parameters.
3884 this.send(params
[0] + 'c');
3885 } else if (this.is('screen')) {
3886 this.send('\x1b[>83;40003;0c');
3894 * Line Position Absolute [row] (default = [1,column]) (VPA).
3896 Terminal
.prototype.linePosAbsolute = function(params
) {
3897 var param
= params
[0];
3898 if (param
< 1) param
= 1;
3900 if (this.y
>= this.rows
) {
3901 this.y
= this.rows
- 1;
3907 * 145 65 e * VPR - Vertical Position Relative
3910 Terminal
.prototype.VPositionRelative = function(params
) {
3911 var param
= params
[0];
3912 if (param
< 1) param
= 1;
3914 if (this.y
>= this.rows
) {
3915 this.y
= this.rows
- 1;
3922 * Horizontal and Vertical Position [row;column] (default =
3925 Terminal
.prototype.HVPosition = function(params
) {
3926 if (params
[0] < 1) params
[0] = 1;
3927 if (params
[1] < 1) params
[1] = 1;
3929 this.y
= params
[0] - 1;
3930 if (this.y
>= this.rows
) {
3931 this.y
= this.rows
- 1;
3934 this.x
= params
[1] - 1;
3935 if (this.x
>= this.cols
) {
3936 this.x
= this.cols
- 1;
3942 * CSI Pm h Set Mode (SM).
3943 * Ps = 2 -> Keyboard Action Mode (AM).
3944 * Ps = 4 -> Insert Mode (IRM).
3945 * Ps = 1 2 -> Send/receive (SRM).
3946 * Ps = 2 0 -> Automatic Newline (LNM).
3948 * DEC Private Mode Set (DECSET).
3949 * Ps = 1 -> Application Cursor Keys (DECCKM).
3950 * Ps = 2 -> Designate USASCII for character sets G0-G3
3951 * (DECANM), and set VT100 mode.
3952 * Ps = 3 -> 132 Column Mode (DECCOLM).
3953 * Ps = 4 -> Smooth (Slow) Scroll (DECSCLM).
3954 * Ps = 5 -> Reverse Video (DECSCNM).
3955 * Ps = 6 -> Origin Mode (DECOM).
3956 * Ps = 7 -> Wraparound Mode (DECAWM).
3957 * Ps = 8 -> Auto-repeat Keys (DECARM).
3958 * Ps = 9 -> Send Mouse X & Y on button press. See the sec-
3959 * tion Mouse Tracking.
3960 * Ps = 1 0 -> Show toolbar (rxvt).
3961 * Ps = 1 2 -> Start Blinking Cursor (att610).
3962 * Ps = 1 8 -> Print form feed (DECPFF).
3963 * Ps = 1 9 -> Set print extent to full screen (DECPEX).
3964 * Ps = 2 5 -> Show Cursor (DECTCEM).
3965 * Ps = 3 0 -> Show scrollbar (rxvt).
3966 * Ps = 3 5 -> Enable font-shifting functions (rxvt).
3967 * Ps = 3 8 -> Enter Tektronix Mode (DECTEK).
3968 * Ps = 4 0 -> Allow 80 -> 132 Mode.
3969 * Ps = 4 1 -> more(1) fix (see curses resource).
3970 * Ps = 4 2 -> Enable Nation Replacement Character sets (DECN-
3972 * Ps = 4 4 -> Turn On Margin Bell.
3973 * Ps = 4 5 -> Reverse-wraparound Mode.
3974 * Ps = 4 6 -> Start Logging. This is normally disabled by a
3975 * compile-time option.
3976 * Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis-
3977 * abled by the titeInhibit resource).
3978 * Ps = 6 6 -> Application keypad (DECNKM).
3979 * Ps = 6 7 -> Backarrow key sends backspace (DECBKM).
3980 * Ps = 1 0 0 0 -> Send Mouse X & Y on button press and
3981 * release. See the section Mouse Tracking.
3982 * Ps = 1 0 0 1 -> Use Hilite Mouse Tracking.
3983 * Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking.
3984 * Ps = 1 0 0 3 -> Use All Motion Mouse Tracking.
3985 * Ps = 1 0 0 4 -> Send FocusIn/FocusOut events.
3986 * Ps = 1 0 0 5 -> Enable Extended Mouse Mode.
3987 * Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt).
3988 * Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt).
3989 * Ps = 1 0 3 4 -> Interpret "meta" key, sets eighth bit.
3990 * (enables the eightBitInput resource).
3991 * Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num-
3992 * Lock keys. (This enables the numLock resource).
3993 * Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This
3994 * enables the metaSendsEscape resource).
3995 * Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete
3997 * Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This
3998 * enables the altSendsEscape resource).
3999 * Ps = 1 0 4 0 -> Keep selection even if not highlighted.
4000 * (This enables the keepSelection resource).
4001 * Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables
4002 * the selectToClipboard resource).
4003 * Ps = 1 0 4 2 -> Enable Urgency window manager hint when
4004 * Control-G is received. (This enables the bellIsUrgent
4006 * Ps = 1 0 4 3 -> Enable raising of the window when Control-G
4007 * is received. (enables the popOnBell resource).
4008 * Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be
4009 * disabled by the titeInhibit resource).
4010 * Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis-
4011 * abled by the titeInhibit resource).
4012 * Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate
4013 * Screen Buffer, clearing it first. (This may be disabled by
4014 * the titeInhibit resource). This combines the effects of the 1
4015 * 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based
4016 * applications rather than the 4 7 mode.
4017 * Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode.
4018 * Ps = 1 0 5 1 -> Set Sun function-key mode.
4019 * Ps = 1 0 5 2 -> Set HP function-key mode.
4020 * Ps = 1 0 5 3 -> Set SCO function-key mode.
4021 * Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6).
4022 * Ps = 1 0 6 1 -> Set VT220 keyboard emulation.
4023 * Ps = 2 0 0 4 -> Set bracketed paste mode.
4025 * http: *vt100.net/docs/vt220-rm/chapter4.html
4027 Terminal
.prototype.setMode = function(params
) {
4028 if (typeof params
=== 'object') {
4029 var l
= params
.length
4032 for (; i
< l
; i
++) {
4033 this.setMode(params
[i
]);
4042 this.insertMode
= true;
4045 //this.convertEol = true;
4048 } else if (this.prefix
=== '?') {
4051 this.applicationCursor
= true;
4054 this.setgCharset(0, Terminal
.charsets
.US
);
4055 this.setgCharset(1, Terminal
.charsets
.US
);
4056 this.setgCharset(2, Terminal
.charsets
.US
);
4057 this.setgCharset(3, Terminal
.charsets
.US
);
4058 // set VT100 mode here
4060 case 3: // 132 col mode
4061 this.savedCols
= this.cols
;
4062 this.resize(132, this.rows
);
4065 this.originMode
= true;
4068 this.wraparoundMode
= true;
4071 // this.cursorBlink = true;
4074 this.log('Serial port requested application keypad.');
4075 this.applicationKeypad
= true;
4076 this.viewport
.syncScrollArea();
4078 case 9: // X10 Mouse
4079 // no release, no motion, no wheel, no modifiers.
4080 case 1000: // vt200 mouse
4082 // no modifiers, except control on the wheel.
4083 case 1002: // button event mouse
4084 case 1003: // any event mouse
4085 // any event - sends motion events,
4086 // even if there is no button held down.
4087 this.x10Mouse
= params
=== 9;
4088 this.vt200Mouse
= params
=== 1000;
4089 this.normalMouse
= params
> 1000;
4090 this.mouseEvents
= true;
4091 this.element
.style
.cursor
= 'default';
4092 this.log('Binding to mouse events.');
4094 case 1004: // send focusin/focusout events
4097 this.sendFocus
= true;
4099 case 1005: // utf8 ext mode mouse
4100 this.utfMouse
= true;
4101 // for wide terminals
4102 // simply encodes large values as utf8 characters
4104 case 1006: // sgr ext mode mouse
4105 this.sgrMouse
= true;
4106 // for wide terminals
4107 // does not add 32 to fields
4108 // press: ^[[<b;x;yM
4109 // release: ^[[<b;x;ym
4111 case 1015: // urxvt ext mode mouse
4112 this.urxvtMouse
= true;
4113 // for wide terminals
4114 // numbers for fields
4116 // motion: ^[[b;x;yT
4118 case 25: // show cursor
4119 this.cursorHidden
= false;
4121 case 1049: // alt screen buffer cursor
4122 //this.saveCursor();
4124 case 47: // alt screen buffer
4125 case 1047: // alt screen buffer
4133 scrollTop
: this.scrollTop
,
4134 scrollBottom
: this.scrollBottom
,
4136 // XXX save charset(s) here?
4137 // charset: this.charset,
4138 // glevel: this.glevel,
4139 // charsets: this.charsets
4142 this.normal
= normal
;
4151 * CSI Pm l Reset Mode (RM).
4152 * Ps = 2 -> Keyboard Action Mode (AM).
4153 * Ps = 4 -> Replace Mode (IRM).
4154 * Ps = 1 2 -> Send/receive (SRM).
4155 * Ps = 2 0 -> Normal Linefeed (LNM).
4157 * DEC Private Mode Reset (DECRST).
4158 * Ps = 1 -> Normal Cursor Keys (DECCKM).
4159 * Ps = 2 -> Designate VT52 mode (DECANM).
4160 * Ps = 3 -> 80 Column Mode (DECCOLM).
4161 * Ps = 4 -> Jump (Fast) Scroll (DECSCLM).
4162 * Ps = 5 -> Normal Video (DECSCNM).
4163 * Ps = 6 -> Normal Cursor Mode (DECOM).
4164 * Ps = 7 -> No Wraparound Mode (DECAWM).
4165 * Ps = 8 -> No Auto-repeat Keys (DECARM).
4166 * Ps = 9 -> Don't send Mouse X & Y on button press.
4167 * Ps = 1 0 -> Hide toolbar (rxvt).
4168 * Ps = 1 2 -> Stop Blinking Cursor (att610).
4169 * Ps = 1 8 -> Don't print form feed (DECPFF).
4170 * Ps = 1 9 -> Limit print to scrolling region (DECPEX).
4171 * Ps = 2 5 -> Hide Cursor (DECTCEM).
4172 * Ps = 3 0 -> Don't show scrollbar (rxvt).
4173 * Ps = 3 5 -> Disable font-shifting functions (rxvt).
4174 * Ps = 4 0 -> Disallow 80 -> 132 Mode.
4175 * Ps = 4 1 -> No more(1) fix (see curses resource).
4176 * Ps = 4 2 -> Disable Nation Replacement Character sets (DEC-
4178 * Ps = 4 4 -> Turn Off Margin Bell.
4179 * Ps = 4 5 -> No Reverse-wraparound Mode.
4180 * Ps = 4 6 -> Stop Logging. (This is normally disabled by a
4181 * compile-time option).
4182 * Ps = 4 7 -> Use Normal Screen Buffer.
4183 * Ps = 6 6 -> Numeric keypad (DECNKM).
4184 * Ps = 6 7 -> Backarrow key sends delete (DECBKM).
4185 * Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and
4186 * release. See the section Mouse Tracking.
4187 * Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking.
4188 * Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking.
4189 * Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking.
4190 * Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events.
4191 * Ps = 1 0 0 5 -> Disable Extended Mouse Mode.
4192 * Ps = 1 0 1 0 -> Don't scroll to bottom on tty output
4194 * Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt).
4195 * Ps = 1 0 3 4 -> Don't interpret "meta" key. (This disables
4196 * the eightBitInput resource).
4197 * Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num-
4198 * Lock keys. (This disables the numLock resource).
4199 * Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key.
4200 * (This disables the metaSendsEscape resource).
4201 * Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad
4203 * Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key.
4204 * (This disables the altSendsEscape resource).
4205 * Ps = 1 0 4 0 -> Do not keep selection when not highlighted.
4206 * (This disables the keepSelection resource).
4207 * Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables
4208 * the selectToClipboard resource).
4209 * Ps = 1 0 4 2 -> Disable Urgency window manager hint when
4210 * Control-G is received. (This disables the bellIsUrgent
4212 * Ps = 1 0 4 3 -> Disable raising of the window when Control-
4213 * G is received. (This disables the popOnBell resource).
4214 * Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen
4215 * first if in the Alternate Screen. (This may be disabled by
4216 * the titeInhibit resource).
4217 * Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be
4218 * disabled by the titeInhibit resource).
4219 * Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor
4220 * as in DECRC. (This may be disabled by the titeInhibit
4221 * resource). This combines the effects of the 1 0 4 7 and 1 0
4222 * 4 8 modes. Use this with terminfo-based applications rather
4223 * than the 4 7 mode.
4224 * Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode.
4225 * Ps = 1 0 5 1 -> Reset Sun function-key mode.
4226 * Ps = 1 0 5 2 -> Reset HP function-key mode.
4227 * Ps = 1 0 5 3 -> Reset SCO function-key mode.
4228 * Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6).
4229 * Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style.
4230 * Ps = 2 0 0 4 -> Reset bracketed paste mode.
4232 Terminal
.prototype.resetMode = function(params
) {
4233 if (typeof params
=== 'object') {
4234 var l
= params
.length
4237 for (; i
< l
; i
++) {
4238 this.resetMode(params
[i
]);
4247 this.insertMode
= false;
4250 //this.convertEol = false;
4253 } else if (this.prefix
=== '?') {
4256 this.applicationCursor
= false;
4259 if (this.cols
=== 132 && this.savedCols
) {
4260 this.resize(this.savedCols
, this.rows
);
4262 delete this.savedCols
;
4265 this.originMode
= false;
4268 this.wraparoundMode
= false;
4271 // this.cursorBlink = false;
4274 this.log('Switching back to normal keypad.');
4275 this.applicationKeypad
= false;
4276 this.viewport
.syncScrollArea();
4278 case 9: // X10 Mouse
4279 case 1000: // vt200 mouse
4280 case 1002: // button event mouse
4281 case 1003: // any event mouse
4282 this.x10Mouse
= false;
4283 this.vt200Mouse
= false;
4284 this.normalMouse
= false;
4285 this.mouseEvents
= false;
4286 this.element
.style
.cursor
= '';
4288 case 1004: // send focusin/focusout events
4289 this.sendFocus
= false;
4291 case 1005: // utf8 ext mode mouse
4292 this.utfMouse
= false;
4294 case 1006: // sgr ext mode mouse
4295 this.sgrMouse
= false;
4297 case 1015: // urxvt ext mode mouse
4298 this.urxvtMouse
= false;
4300 case 25: // hide cursor
4301 this.cursorHidden
= true;
4303 case 1049: // alt screen buffer cursor
4305 case 47: // normal screen buffer
4306 case 1047: // normal screen buffer - clearing it first
4308 this.lines
= this.normal
.lines
;
4309 this.ybase
= this.normal
.ybase
;
4310 this.ydisp
= this.normal
.ydisp
;
4311 this.x
= this.normal
.x
;
4312 this.y
= this.normal
.y
;
4313 this.scrollTop
= this.normal
.scrollTop
;
4314 this.scrollBottom
= this.normal
.scrollBottom
;
4315 this.tabs
= this.normal
.tabs
;
4317 // if (params === 1049) {
4318 // this.x = this.savedX;
4319 // this.y = this.savedY;
4321 this.refresh(0, this.rows
- 1);
4332 * Set Scrolling Region [top;bottom] (default = full size of win-
4336 Terminal
.prototype.setScrollRegion = function(params
) {
4337 if (this.prefix
) return;
4338 this.scrollTop
= (params
[0] || 1) - 1;
4339 this.scrollBottom
= (params
[1] || this.rows
) - 1;
4347 * Save cursor (ANSI.SYS).
4349 Terminal
.prototype.saveCursor = function(params
) {
4350 this.savedX
= this.x
;
4351 this.savedY
= this.y
;
4357 * Restore cursor (ANSI.SYS).
4359 Terminal
.prototype.restoreCursor = function(params
) {
4360 this.x
= this.savedX
|| 0;
4361 this.y
= this.savedY
|| 0;
4371 * Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
4373 Terminal
.prototype.cursorForwardTab = function(params
) {
4374 var param
= params
[0] || 1;
4376 this.x
= this.nextStop();
4382 * CSI Ps S Scroll up Ps lines (default = 1) (SU).
4384 Terminal
.prototype.scrollUp = function(params
) {
4385 var param
= params
[0] || 1;
4387 this.lines
.splice(this.ybase
+ this.scrollTop
, 1);
4388 this.lines
.splice(this.ybase
+ this.scrollBottom
, 0, this.blankLine());
4391 this.updateRange(this.scrollTop
);
4392 this.updateRange(this.scrollBottom
);
4397 * CSI Ps T Scroll down Ps lines (default = 1) (SD).
4399 Terminal
.prototype.scrollDown = function(params
) {
4400 var param
= params
[0] || 1;
4402 this.lines
.splice(this.ybase
+ this.scrollBottom
, 1);
4403 this.lines
.splice(this.ybase
+ this.scrollTop
, 0, this.blankLine());
4406 this.updateRange(this.scrollTop
);
4407 this.updateRange(this.scrollBottom
);
4412 * CSI Ps ; Ps ; Ps ; Ps ; Ps T
4413 * Initiate highlight mouse tracking. Parameters are
4414 * [func;startx;starty;firstrow;lastrow]. See the section Mouse
4417 Terminal
.prototype.initMouseTracking = function(params
) {
4418 // Relevant: DECSET 1001
4424 * Reset one or more features of the title modes to the default
4425 * value. Normally, "reset" disables the feature. It is possi-
4426 * ble to disable the ability to reset features by compiling a
4427 * different default for the title modes into xterm.
4428 * Ps = 0 -> Do not set window/icon labels using hexadecimal.
4429 * Ps = 1 -> Do not query window/icon labels using hexadeci-
4431 * Ps = 2 -> Do not set window/icon labels using UTF-8.
4432 * Ps = 3 -> Do not query window/icon labels using UTF-8.
4433 * (See discussion of "Title Modes").
4435 Terminal
.prototype.resetTitleModes = function(params
) {
4441 * CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
4443 Terminal
.prototype.cursorBackwardTab = function(params
) {
4444 var param
= params
[0] || 1;
4446 this.x
= this.prevStop();
4452 * CSI Ps b Repeat the preceding graphic character Ps times (REP).
4454 Terminal
.prototype.repeatPrecedingCharacter = function(params
) {
4455 var param
= params
[0] || 1
4456 , line
= this.lines
[this.ybase
+ this.y
]
4457 , ch
= line
[this.x
- 1] || [this.defAttr
, ' ', 1];
4459 while (param
--) line
[this.x
++] = ch
;
4464 * CSI Ps g Tab Clear (TBC).
4465 * Ps = 0 -> Clear Current Column (default).
4466 * Ps = 3 -> Clear All.
4468 * Ps = 2 -> Clear Stops on Line.
4469 * http://vt100.net/annarbor/aaa-ug/section6.html
4471 Terminal
.prototype.tabClear = function(params
) {
4472 var param
= params
[0];
4474 delete this.tabs
[this.x
];
4475 } else if (param
=== 3) {
4482 * CSI Pm i Media Copy (MC).
4483 * Ps = 0 -> Print screen (default).
4484 * Ps = 4 -> Turn off printer controller mode.
4485 * Ps = 5 -> Turn on printer controller mode.
4487 * Media Copy (MC, DEC-specific).
4488 * Ps = 1 -> Print line containing cursor.
4489 * Ps = 4 -> Turn off autoprint mode.
4490 * Ps = 5 -> Turn on autoprint mode.
4491 * Ps = 1 0 -> Print composed display, ignores DECPEX.
4492 * Ps = 1 1 -> Print all pages.
4494 Terminal
.prototype.mediaCopy = function(params
) {
4501 * Set or reset resource-values used by xterm to decide whether
4502 * to construct escape sequences holding information about the
4503 * modifiers pressed with a given key. The first parameter iden-
4504 * tifies the resource to set/reset. The second parameter is the
4505 * value to assign to the resource. If the second parameter is
4506 * omitted, the resource is reset to its initial value.
4507 * Ps = 1 -> modifyCursorKeys.
4508 * Ps = 2 -> modifyFunctionKeys.
4509 * Ps = 4 -> modifyOtherKeys.
4510 * If no parameters are given, all resources are reset to their
4513 Terminal
.prototype.setResources = function(params
) {
4520 * Disable modifiers which may be enabled via the CSI > Ps; Ps m
4521 * sequence. This corresponds to a resource value of "-1", which
4522 * cannot be set with the other sequence. The parameter identi-
4523 * fies the resource to be disabled:
4524 * Ps = 1 -> modifyCursorKeys.
4525 * Ps = 2 -> modifyFunctionKeys.
4526 * Ps = 4 -> modifyOtherKeys.
4527 * If the parameter is omitted, modifyFunctionKeys is disabled.
4528 * When modifyFunctionKeys is disabled, xterm uses the modifier
4529 * keys to make an extended sequence of functions rather than
4530 * adding a parameter to each function key to denote the modi-
4533 Terminal
.prototype.disableModifiers = function(params
) {
4540 * Set resource value pointerMode. This is used by xterm to
4541 * decide whether to hide the pointer cursor as the user types.
4542 * Valid values for the parameter:
4543 * Ps = 0 -> never hide the pointer.
4544 * Ps = 1 -> hide if the mouse tracking mode is not enabled.
4545 * Ps = 2 -> always hide the pointer. If no parameter is
4546 * given, xterm uses the default, which is 1 .
4548 Terminal
.prototype.setPointerMode = function(params
) {
4554 * CSI ! p Soft terminal reset (DECSTR).
4555 * http://vt100.net/docs/vt220-rm/table4-10.html
4557 Terminal
.prototype.softReset = function(params
) {
4558 this.cursorHidden
= false;
4559 this.insertMode
= false;
4560 this.originMode
= false;
4561 this.wraparoundMode
= false; // autowrap
4562 this.applicationKeypad
= false; // ?
4563 this.viewport
.syncScrollArea();
4564 this.applicationCursor
= false;
4566 this.scrollBottom
= this.rows
- 1;
4567 this.curAttr
= this.defAttr
;
4568 this.x
= this.y
= 0; // ?
4569 this.charset
= null;
4570 this.glevel
= 0; // ??
4571 this.charsets
= [null]; // ??
4577 * Request ANSI mode (DECRQM). For VT300 and up, reply is
4579 * where Ps is the mode number as in RM, and Pm is the mode
4581 * 0 - not recognized
4584 * 3 - permanently set
4585 * 4 - permanently reset
4587 Terminal
.prototype.requestAnsiMode = function(params
) {
4594 * Request DEC private mode (DECRQM). For VT300 and up, reply is
4596 * where Ps is the mode number as in DECSET, Pm is the mode value
4597 * as in the ANSI DECRQM.
4599 Terminal
.prototype.requestPrivateMode = function(params
) {
4606 * Set conformance level (DECSCL). Valid values for the first
4608 * Ps = 6 1 -> VT100.
4609 * Ps = 6 2 -> VT200.
4610 * Ps = 6 3 -> VT300.
4611 * Valid values for the second parameter:
4612 * Ps = 0 -> 8-bit controls.
4613 * Ps = 1 -> 7-bit controls (always set for VT100).
4614 * Ps = 2 -> 8-bit controls.
4616 Terminal
.prototype.setConformanceLevel = function(params
) {
4622 * CSI Ps q Load LEDs (DECLL).
4623 * Ps = 0 -> Clear all LEDS (default).
4624 * Ps = 1 -> Light Num Lock.
4625 * Ps = 2 -> Light Caps Lock.
4626 * Ps = 3 -> Light Scroll Lock.
4627 * Ps = 2 1 -> Extinguish Num Lock.
4628 * Ps = 2 2 -> Extinguish Caps Lock.
4629 * Ps = 2 3 -> Extinguish Scroll Lock.
4631 Terminal
.prototype.loadLEDs = function(params
) {
4638 * Set cursor style (DECSCUSR, VT520).
4639 * Ps = 0 -> blinking block.
4640 * Ps = 1 -> blinking block (default).
4641 * Ps = 2 -> steady block.
4642 * Ps = 3 -> blinking underline.
4643 * Ps = 4 -> steady underline.
4645 Terminal
.prototype.setCursorStyle = function(params
) {
4652 * Select character protection attribute (DECSCA). Valid values
4653 * for the parameter:
4654 * Ps = 0 -> DECSED and DECSEL can erase (default).
4655 * Ps = 1 -> DECSED and DECSEL cannot erase.
4656 * Ps = 2 -> DECSED and DECSEL can erase.
4658 Terminal
.prototype.setCharProtectionAttr = function(params
) {
4665 * Restore DEC Private Mode Values. The value of Ps previously
4666 * saved is restored. Ps values are the same as for DECSET.
4668 Terminal
.prototype.restorePrivateValues = function(params
) {
4674 * CSI Pt; Pl; Pb; Pr; Ps$ r
4675 * Change Attributes in Rectangular Area (DECCARA), VT400 and up.
4676 * Pt; Pl; Pb; Pr denotes the rectangle.
4677 * Ps denotes the SGR attributes to change: 0, 1, 4, 5, 7.
4678 * NOTE: xterm doesn't enable this code by default.
4680 Terminal
.prototype.setAttrInRectangle = function(params
) {
4690 for (; t
< b
+ 1; t
++) {
4691 line
= this.lines
[this.ybase
+ t
];
4692 for (i
= l
; i
< r
; i
++) {
4693 line
[i
] = [attr
, line
[i
][1]];
4698 this.updateRange(params
[0]);
4699 this.updateRange(params
[2]);
4704 * CSI Pc; Pt; Pl; Pb; Pr$ x
4705 * Fill Rectangular Area (DECFRA), VT420 and up.
4706 * Pc is the character to use.
4707 * Pt; Pl; Pb; Pr denotes the rectangle.
4708 * NOTE: xterm doesn't enable this code by default.
4710 Terminal
.prototype.fillRectangle = function(params
) {
4720 for (; t
< b
+ 1; t
++) {
4721 line
= this.lines
[this.ybase
+ t
];
4722 for (i
= l
; i
< r
; i
++) {
4723 line
[i
] = [line
[i
][0], String
.fromCharCode(ch
)];
4728 this.updateRange(params
[1]);
4729 this.updateRange(params
[3]);
4735 * Enable Locator Reporting (DECELR).
4736 * Valid values for the first parameter:
4737 * Ps = 0 -> Locator disabled (default).
4738 * Ps = 1 -> Locator enabled.
4739 * Ps = 2 -> Locator enabled for one report, then disabled.
4740 * The second parameter specifies the coordinate unit for locator
4742 * Valid values for the second parameter:
4743 * Pu = 0 <- or omitted -> default to character cells.
4744 * Pu = 1 <- device physical pixels.
4745 * Pu = 2 <- character cells.
4747 Terminal
.prototype.enableLocatorReporting = function(params
) {
4748 var val
= params
[0] > 0;
4749 //this.mouseEvents = val;
4750 //this.decLocator = val;
4755 * CSI Pt; Pl; Pb; Pr$ z
4756 * Erase Rectangular Area (DECERA), VT400 and up.
4757 * Pt; Pl; Pb; Pr denotes the rectangle.
4758 * NOTE: xterm doesn't enable this code by default.
4760 Terminal
.prototype.eraseRectangle = function(params
) {
4770 ch
= [this.eraseAttr(), ' ', 1]; // xterm?
4772 for (; t
< b
+ 1; t
++) {
4773 line
= this.lines
[this.ybase
+ t
];
4774 for (i
= l
; i
< r
; i
++) {
4780 this.updateRange(params
[0]);
4781 this.updateRange(params
[2]);
4787 * Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
4788 * NOTE: xterm doesn't enable this code by default.
4790 Terminal
.prototype.insertColumns = function() {
4791 var param
= params
[0]
4792 , l
= this.ybase
+ this.rows
4793 , ch
= [this.eraseAttr(), ' ', 1] // xterm?
4797 for (i
= this.ybase
; i
< l
; i
++) {
4798 this.lines
[i
].splice(this.x
+ 1, 0, ch
);
4799 this.lines
[i
].pop();
4809 * Delete P s Column(s) (default = 1) (DECDC), VT420 and up
4810 * NOTE: xterm doesn't enable this code by default.
4812 Terminal
.prototype.deleteColumns = function() {
4813 var param
= params
[0]
4814 , l
= this.ybase
+ this.rows
4815 , ch
= [this.eraseAttr(), ' ', 1] // xterm?
4819 for (i
= this.ybase
; i
< l
; i
++) {
4820 this.lines
[i
].splice(this.x
, 1);
4821 this.lines
[i
].push(ch
);
4832 Terminal
.charsets
= {};
4834 // DEC Special Character and Line Drawing Set.
4835 // http://vt100.net/docs/vt102-ug/table5-13.html
4836 // A lot of curses apps use this if they see TERM=xterm.
4837 // testing: echo -e '\e(0a\e(B'
4838 // The xterm output sometimes seems to conflict with the
4839 // reference above. xterm seems in line with the reference
4840 // when running vttest however.
4841 // The table below now uses xterm's output from vttest.
4842 Terminal
.charsets
.SCLD
= { // (0
4843 '`': '\u25c6', // '◆'
4844 'a': '\u2592', // '▒'
4845 'b': '\u0009', // '\t'
4846 'c': '\u000c', // '\f'
4847 'd': '\u000d', // '\r'
4848 'e': '\u000a', // '\n'
4849 'f': '\u00b0', // '°'
4850 'g': '\u00b1', // '±'
4851 'h': '\u2424', // '\u2424' (NL)
4852 'i': '\u000b', // '\v'
4853 'j': '\u2518', // '┘'
4854 'k': '\u2510', // '┐'
4855 'l': '\u250c', // '┌'
4856 'm': '\u2514', // '└'
4857 'n': '\u253c', // '┼'
4858 'o': '\u23ba', // '⎺'
4859 'p': '\u23bb', // '⎻'
4860 'q': '\u2500', // '─'
4861 'r': '\u23bc', // '⎼'
4862 's': '\u23bd', // '⎽'
4863 't': '\u251c', // '├'
4864 'u': '\u2524', // '┤'
4865 'v': '\u2534', // '┴'
4866 'w': '\u252c', // '┬'
4867 'x': '\u2502', // '│'
4868 'y': '\u2264', // '≤'
4869 'z': '\u2265', // '≥'
4870 '{': '\u03c0', // 'π'
4871 '|': '\u2260', // '≠'
4872 '}': '\u00a3', // '£'
4873 '~': '\u00b7' // '·'
4876 Terminal
.charsets
.UK
= null; // (A
4877 Terminal
.charsets
.US
= null; // (B (USASCII)
4878 Terminal
.charsets
.Dutch
= null; // (4
4879 Terminal
.charsets
.Finnish
= null; // (C or (5
4880 Terminal
.charsets
.French
= null; // (R
4881 Terminal
.charsets
.FrenchCanadian
= null; // (Q
4882 Terminal
.charsets
.German
= null; // (K
4883 Terminal
.charsets
.Italian
= null; // (Y
4884 Terminal
.charsets
.NorwegianDanish
= null; // (E or (6
4885 Terminal
.charsets
.Spanish
= null; // (Z
4886 Terminal
.charsets
.Swedish
= null; // (H or (7
4887 Terminal
.charsets
.Swiss
= null; // (=
4888 Terminal
.charsets
.ISOLatin
= null; // /A
4894 function on(el
, type
, handler
, capture
) {
4895 if (!Array
.isArray(el
)) {
4898 el
.forEach(function (element
) {
4899 element
.addEventListener(type
, handler
, capture
|| false);
4903 function off(el
, type
, handler
, capture
) {
4904 el
.removeEventListener(type
, handler
, capture
|| false);
4907 function cancel(ev
, force
) {
4908 if (!this.cancelEvents
&& !force
) {
4911 ev
.preventDefault();
4912 ev
.stopPropagation();
4916 function inherits(child
, parent
) {
4918 this.constructor = child
;
4920 f
.prototype = parent
.prototype;
4921 child
.prototype = new f
;
4924 // if bold is broken, we can't
4925 // use it in the terminal.
4926 function isBoldBroken(document
) {
4927 var body
= document
.getElementsByTagName('body')[0];
4928 var el
= document
.createElement('span');
4929 el
.innerHTML
= 'hello world';
4930 body
.appendChild(el
);
4931 var w1
= el
.scrollWidth
;
4932 el
.style
.fontWeight
= 'bold';
4933 var w2
= el
.scrollWidth
;
4934 body
.removeChild(el
);
4938 function indexOf(obj
, el
) {
4941 if (obj
[i
] === el
) return i
;
4946 function isThirdLevelShift(term
, ev
) {
4948 (term
.browser
.isMac
&& ev
.altKey
&& !ev
.ctrlKey
&& !ev
.metaKey
) ||
4949 (term
.browser
.isMSWindows
&& ev
.altKey
&& ev
.ctrlKey
&& !ev
.metaKey
);
4951 if (ev
.type
== 'keypress') {
4952 return thirdLevelKey
;
4955 // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)
4956 return thirdLevelKey
&& (!ev
.keyCode
|| ev
.keyCode
> 47);
4959 function matchColor(r1
, g1
, b1
) {
4960 var hash
= (r1
<< 16) | (g1
<< 8) | b1
;
4962 if (matchColor
._cache
[hash
] != null) {
4963 return matchColor
._cache
[hash
];
4966 var ldiff
= Infinity
4975 for (; i
< Terminal
.vcolors
.length
; i
++) {
4976 c
= Terminal
.vcolors
[i
];
4981 diff
= matchColor
.distance(r1
, g1
, b1
, r2
, g2
, b2
);
4994 return matchColor
._cache
[hash
] = li
;
4997 matchColor
._cache
= {};
4999 // http://stackoverflow.com/questions/1633828
5000 matchColor
.distance = function(r1
, g1
, b1
, r2
, g2
, b2
) {
5001 return Math
.pow(30 * (r1
- r2
), 2)
5002 + Math
.pow(59 * (g1
- g2
), 2)
5003 + Math
.pow(11 * (b1
- b2
), 2);
5006 function each(obj
, iter
, con
) {
5007 if (obj
.forEach
) return obj
.forEach(iter
, con
);
5008 for (var i
= 0; i
< obj
.length
; i
++) {
5009 iter
.call(con
, obj
[i
], i
, obj
);
5013 function keys(obj
) {
5014 if (Object
.keys
) return Object
.keys(obj
);
5017 if (Object
.prototype.hasOwnProperty
.call(obj
, key
)) {
5024 var wcwidth
= (function(opts
) {
5025 // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
5026 // combining characters
5028 [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
5029 [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
5030 [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
5031 [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
5032 [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
5033 [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
5034 [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
5035 [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
5036 [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
5037 [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
5038 [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
5039 [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
5040 [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
5041 [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
5042 [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
5043 [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
5044 [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
5045 [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
5046 [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
5047 [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
5048 [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
5049 [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
5050 [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
5051 [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
5052 [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
5053 [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
5054 [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
5055 [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
5056 [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
5057 [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
5058 [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
5059 [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
5060 [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
5061 [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
5062 [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
5063 [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
5064 [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
5065 [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
5066 [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
5067 [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
5068 [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
5069 [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
5070 [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],
5071 [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
5072 [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
5073 [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
5074 [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
5078 function bisearch(ucs
) {
5080 var max
= COMBINING
.length
- 1;
5082 if (ucs
< COMBINING
[0][0] || ucs
> COMBINING
[max
][1])
5084 while (max
>= min
) {
5085 mid
= Math
.floor((min
+ max
) / 2);
5086 if (ucs
> COMBINING
[mid
][1])
5088 else if (ucs
< COMBINING
[mid
][0])
5095 function wcwidth(ucs
) {
5096 // test for 8-bit control characters
5099 if (ucs
< 32 || (ucs
>= 0x7f && ucs
< 0xa0))
5100 return opts
.control
;
5101 // binary search in table of non-spacing characters
5104 // if we arrive here, ucs is not a combining or C0/C1 control character
5109 ucs
<= 0x115f || // Hangul Jamo init. consonants
5112 (ucs
>= 0x2e80 && ucs
<= 0xa4cf && ucs
!= 0x303f) || // CJK..Yi
5113 (ucs
>= 0xac00 && ucs
<= 0xd7a3) || // Hangul Syllables
5114 (ucs
>= 0xf900 && ucs
<= 0xfaff) || // CJK Compat Ideographs
5115 (ucs
>= 0xfe10 && ucs
<= 0xfe19) || // Vertical forms
5116 (ucs
>= 0xfe30 && ucs
<= 0xfe6f) || // CJK Compat Forms
5117 (ucs
>= 0xff00 && ucs
<= 0xff60) || // Fullwidth Forms
5118 (ucs
>= 0xffe0 && ucs
<= 0xffe6) ||
5119 (ucs
>= 0x20000 && ucs
<= 0x2fffd) ||
5120 (ucs
>= 0x30000 && ucs
<= 0x3fffd)
5125 })({nul
: 0, control
: 0}); // configurable options
5131 Terminal
.EventEmitter
= EventEmitter
;
5132 Terminal
.CompositionHelper
= CompositionHelper
;
5133 Terminal
.Viewport
= Viewport
;
5134 Terminal
.inherits
= inherits
;
5137 * Adds an event listener to the terminal.
5139 * @param {string} event The name of the event. TODO: Document all event types
5140 * @param {function} callback The function to call when the event is triggered.
5144 Terminal
.cancel
= cancel
;
5146 module
.exports
= Terminal
;