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8bc844c0 | 1 | /** |
5af18f8e PK |
2 | * xterm.js: xterm, in the browser |
3 | * Copyright (c) 2014, sourceLair Limited (www.sourcelair.com (MIT License) | |
6cc8b3cd CJ |
4 | * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License) |
5 | * https://github.com/chjj/term.js | |
8bc844c0 CJ |
6 | * |
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: | |
13 | * | |
14 | * The above copyright notice and this permission notice shall be included in | |
15 | * all copies or substantial portions of the Software. | |
16 | * | |
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 | |
23 | * THE SOFTWARE. | |
24 | * | |
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 | |
31 | * other features. | |
32 | */ | |
33 | ||
3f455f90 | 34 | (function (xterm) { |
6a87253d AO |
35 | if (typeof exports === 'object' && typeof module === 'object') { |
36 | /* | |
bd215861 | 37 | * CommonJS environment |
6a87253d AO |
38 | */ |
39 | module.exports = xterm.call(this); | |
40 | } else if (typeof define == 'function') { | |
3f455f90 PK |
41 | /* |
42 | * Require.js is available | |
43 | */ | |
87979aee | 44 | define([], xterm.bind(window)); |
3f455f90 PK |
45 | } else { |
46 | /* | |
47 | * Plain browser environment | |
987f09d8 | 48 | */ |
3f455f90 PK |
49 | this.Xterm = xterm.call(this); |
50 | this.Terminal = this.Xterm; /* Backwards compatibility with term.js */ | |
51 | } | |
52 | })(function() { | |
53 | /** | |
54 | * Terminal Emulation References: | |
55 | * http://vt100.net/ | |
56 | * http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt | |
57 | * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html | |
58 | * http://invisible-island.net/vttest/ | |
59 | * http://www.inwap.com/pdp10/ansicode.txt | |
60 | * http://linux.die.net/man/4/console_codes | |
61 | * http://linux.die.net/man/7/urxvt | |
62 | */ | |
63 | ||
64 | 'use strict'; | |
65 | ||
66 | /** | |
67 | * Shared | |
68 | */ | |
69 | ||
70 | var window = this, document = this.document; | |
71 | ||
72 | /** | |
73 | * EventEmitter | |
74 | */ | |
75 | ||
76 | function EventEmitter() { | |
77 | this._events = this._events || {}; | |
78 | } | |
8bc844c0 | 79 | |
3f455f90 PK |
80 | EventEmitter.prototype.addListener = function(type, listener) { |
81 | this._events[type] = this._events[type] || []; | |
82 | this._events[type].push(listener); | |
83 | }; | |
8bc844c0 | 84 | |
3f455f90 | 85 | EventEmitter.prototype.on = EventEmitter.prototype.addListener; |
8bc844c0 | 86 | |
3f455f90 PK |
87 | EventEmitter.prototype.removeListener = function(type, listener) { |
88 | if (!this._events[type]) return; | |
8bc844c0 | 89 | |
3f455f90 PK |
90 | var obj = this._events[type] |
91 | , i = obj.length; | |
8bc844c0 | 92 | |
3f455f90 PK |
93 | while (i--) { |
94 | if (obj[i] === listener || obj[i].listener === listener) { | |
95 | obj.splice(i, 1); | |
96 | return; | |
97 | } | |
98 | } | |
99 | }; | |
100 | ||
101 | EventEmitter.prototype.off = EventEmitter.prototype.removeListener; | |
8bc844c0 | 102 | |
3f455f90 PK |
103 | EventEmitter.prototype.removeAllListeners = function(type) { |
104 | if (this._events[type]) delete this._events[type]; | |
105 | }; | |
8bc844c0 | 106 | |
3f455f90 | 107 | EventEmitter.prototype.once = function(type, listener) { |
6406a88d | 108 | var self = this; |
3f455f90 PK |
109 | function on() { |
110 | var args = Array.prototype.slice.call(arguments); | |
6406a88d PK |
111 | self.removeListener(type, on); |
112 | return listener.apply(self, args); | |
3f455f90 PK |
113 | } |
114 | on.listener = listener; | |
115 | return this.on(type, on); | |
116 | }; | |
8bc844c0 | 117 | |
3f455f90 PK |
118 | EventEmitter.prototype.emit = function(type) { |
119 | if (!this._events[type]) return; | |
8bc844c0 | 120 | |
3f455f90 PK |
121 | var args = Array.prototype.slice.call(arguments, 1) |
122 | , obj = this._events[type] | |
123 | , l = obj.length | |
124 | , i = 0; | |
8bc844c0 | 125 | |
3f455f90 PK |
126 | for (; i < l; i++) { |
127 | obj[i].apply(this, args); | |
128 | } | |
129 | }; | |
8bc844c0 | 130 | |
3f455f90 PK |
131 | EventEmitter.prototype.listeners = function(type) { |
132 | return this._events[type] = this._events[type] || []; | |
133 | }; | |
8bc844c0 | 134 | |
8bc844c0 | 135 | |
3f455f90 PK |
136 | /** |
137 | * States | |
138 | */ | |
139 | var normal = 0, escaped = 1, csi = 2, osc = 3, charset = 4, dcs = 5, ignore = 6; | |
8bc844c0 | 140 | |
3f455f90 PK |
141 | /** |
142 | * Terminal | |
143 | */ | |
8bc844c0 | 144 | |
fd5be55d DI |
145 | /** |
146 | * Creates a new `Terminal` object. | |
147 | * | |
148 | * @param {object} options An object containing a set of options, the available options are: | |
149 | * - cursorBlink (boolean): Whether the terminal cursor blinks | |
150 | * | |
151 | * @public | |
152 | */ | |
3f455f90 PK |
153 | function Terminal(options) { |
154 | var self = this; | |
8bc844c0 | 155 | |
3f455f90 PK |
156 | if (!(this instanceof Terminal)) { |
157 | return new Terminal(arguments[0], arguments[1], arguments[2]); | |
158 | } | |
8bc844c0 | 159 | |
3f455f90 | 160 | self.cancel = Terminal.cancel; |
8bc844c0 | 161 | |
3f455f90 | 162 | EventEmitter.call(this); |
8bc844c0 | 163 | |
3f455f90 PK |
164 | if (typeof options === 'number') { |
165 | options = { | |
166 | cols: arguments[0], | |
167 | rows: arguments[1], | |
168 | handler: arguments[2] | |
169 | }; | |
170 | } | |
5fd1948b | 171 | |
3f455f90 | 172 | options = options || {}; |
8bc844c0 | 173 | |
8bc844c0 | 174 | |
3f455f90 PK |
175 | Object.keys(Terminal.defaults).forEach(function(key) { |
176 | if (options[key] == null) { | |
177 | options[key] = Terminal.options[key]; | |
86dad1b0 | 178 | |
3f455f90 PK |
179 | if (Terminal[key] !== Terminal.defaults[key]) { |
180 | options[key] = Terminal[key]; | |
181 | } | |
182 | } | |
183 | self[key] = options[key]; | |
184 | }); | |
91273161 | 185 | |
3f455f90 PK |
186 | if (options.colors.length === 8) { |
187 | options.colors = options.colors.concat(Terminal._colors.slice(8)); | |
188 | } else if (options.colors.length === 16) { | |
189 | options.colors = options.colors.concat(Terminal._colors.slice(16)); | |
190 | } else if (options.colors.length === 10) { | |
191 | options.colors = options.colors.slice(0, -2).concat( | |
192 | Terminal._colors.slice(8, -2), options.colors.slice(-2)); | |
193 | } else if (options.colors.length === 18) { | |
194 | options.colors = options.colors.concat( | |
195 | Terminal._colors.slice(16, -2), options.colors.slice(-2)); | |
196 | } | |
197 | this.colors = options.colors; | |
8bc844c0 | 198 | |
3f455f90 | 199 | this.options = options; |
91273161 | 200 | |
3f455f90 PK |
201 | // this.context = options.context || window; |
202 | // this.document = options.document || document; | |
203 | this.parent = options.body || options.parent | |
204 | || (document ? document.getElementsByTagName('body')[0] : null); | |
5fd1948b | 205 | |
3f455f90 PK |
206 | this.cols = options.cols || options.geometry[0]; |
207 | this.rows = options.rows || options.geometry[1]; | |
208 | ||
209 | if (options.handler) { | |
210 | this.on('data', options.handler); | |
211 | } | |
212 | ||
df268ad5 DI |
213 | /** |
214 | * The scroll position of the y cursor, ie. ybase + y = the y position within the entire | |
215 | */ | |
3f455f90 | 216 | this.ybase = 0; |
df268ad5 DI |
217 | |
218 | /** | |
219 | * The scroll position of the viewport | |
220 | */ | |
3f455f90 | 221 | this.ydisp = 0; |
df268ad5 DI |
222 | |
223 | /** | |
224 | * The cursor's x position after ybase | |
225 | */ | |
3f455f90 | 226 | this.x = 0; |
df268ad5 DI |
227 | |
228 | /** | |
229 | * The cursor's y position after ybase | |
230 | */ | |
3f455f90 | 231 | this.y = 0; |
df268ad5 | 232 | |
af29effb DI |
233 | /** |
234 | * Used to debounce the refresh function | |
235 | */ | |
236 | this.isRefreshing = false; | |
237 | ||
238 | /** | |
239 | * Whether there is a full terminal refresh queued | |
240 | */ | |
af29effb | 241 | |
3f455f90 PK |
242 | this.cursorState = 0; |
243 | this.cursorHidden = false; | |
244 | this.convertEol; | |
245 | this.state = 0; | |
246 | this.queue = ''; | |
247 | this.scrollTop = 0; | |
248 | this.scrollBottom = this.rows - 1; | |
249 | ||
250 | // modes | |
251 | this.applicationKeypad = false; | |
252 | this.applicationCursor = false; | |
253 | this.originMode = false; | |
254 | this.insertMode = false; | |
255 | this.wraparoundMode = false; | |
256 | this.normal = null; | |
257 | ||
258 | // charset | |
259 | this.charset = null; | |
260 | this.gcharset = null; | |
261 | this.glevel = 0; | |
262 | this.charsets = [null]; | |
263 | ||
264 | // mouse properties | |
265 | this.decLocator; | |
266 | this.x10Mouse; | |
267 | this.vt200Mouse; | |
268 | this.vt300Mouse; | |
269 | this.normalMouse; | |
270 | this.mouseEvents; | |
271 | this.sendFocus; | |
272 | this.utfMouse; | |
273 | this.sgrMouse; | |
274 | this.urxvtMouse; | |
275 | ||
276 | // misc | |
277 | this.element; | |
278 | this.children; | |
279 | this.refreshStart; | |
280 | this.refreshEnd; | |
281 | this.savedX; | |
282 | this.savedY; | |
283 | this.savedCols; | |
284 | ||
285 | // stream | |
286 | this.readable = true; | |
287 | this.writable = true; | |
288 | ||
289 | this.defAttr = (0 << 18) | (257 << 9) | (256 << 0); | |
290 | this.curAttr = this.defAttr; | |
291 | ||
292 | this.params = []; | |
293 | this.currentParam = 0; | |
294 | this.prefix = ''; | |
295 | this.postfix = ''; | |
296 | ||
df268ad5 DI |
297 | /** |
298 | * An array of all lines in the entire buffer, including the prompt. The lines are array of | |
299 | * characters which are 2-length arrays where [0] is an attribute and [1] is the character. | |
300 | */ | |
3f455f90 PK |
301 | this.lines = []; |
302 | var i = this.rows; | |
303 | while (i--) { | |
304 | this.lines.push(this.blankLine()); | |
86dad1b0 | 305 | } |
3f455f90 PK |
306 | |
307 | this.tabs; | |
308 | this.setupStops(); | |
86dad1b0 | 309 | } |
8bc844c0 | 310 | |
3f455f90 | 311 | inherits(Terminal, EventEmitter); |
8bc844c0 | 312 | |
3f455f90 PK |
313 | // back_color_erase feature for xterm. |
314 | Terminal.prototype.eraseAttr = function() { | |
315 | // if (this.is('screen')) return this.defAttr; | |
316 | return (this.defAttr & ~0x1ff) | (this.curAttr & 0x1ff); | |
317 | }; | |
a68c8336 | 318 | |
3f455f90 PK |
319 | /** |
320 | * Colors | |
321 | */ | |
322 | ||
323 | // Colors 0-15 | |
324 | Terminal.tangoColors = [ | |
325 | // dark: | |
326 | '#2e3436', | |
327 | '#cc0000', | |
328 | '#4e9a06', | |
329 | '#c4a000', | |
330 | '#3465a4', | |
331 | '#75507b', | |
332 | '#06989a', | |
333 | '#d3d7cf', | |
334 | // bright: | |
335 | '#555753', | |
336 | '#ef2929', | |
337 | '#8ae234', | |
338 | '#fce94f', | |
339 | '#729fcf', | |
340 | '#ad7fa8', | |
341 | '#34e2e2', | |
342 | '#eeeeec' | |
343 | ]; | |
344 | ||
345 | // Colors 0-15 + 16-255 | |
346 | // Much thanks to TooTallNate for writing this. | |
347 | Terminal.colors = (function() { | |
348 | var colors = Terminal.tangoColors.slice() | |
349 | , r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff] | |
350 | , i; | |
351 | ||
352 | // 16-231 | |
353 | i = 0; | |
354 | for (; i < 216; i++) { | |
355 | out(r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]); | |
356 | } | |
8bc844c0 | 357 | |
3f455f90 PK |
358 | // 232-255 (grey) |
359 | i = 0; | |
360 | for (; i < 24; i++) { | |
361 | r = 8 + i * 10; | |
362 | out(r, r, r); | |
363 | } | |
8bc844c0 | 364 | |
3f455f90 PK |
365 | function out(r, g, b) { |
366 | colors.push('#' + hex(r) + hex(g) + hex(b)); | |
367 | } | |
8bc844c0 | 368 | |
3f455f90 PK |
369 | function hex(c) { |
370 | c = c.toString(16); | |
371 | return c.length < 2 ? '0' + c : c; | |
372 | } | |
8bc844c0 | 373 | |
3f455f90 PK |
374 | return colors; |
375 | })(); | |
3b322929 | 376 | |
3f455f90 | 377 | Terminal._colors = Terminal.colors.slice(); |
31161ffe | 378 | |
3f455f90 PK |
379 | Terminal.vcolors = (function() { |
380 | var out = [] | |
381 | , colors = Terminal.colors | |
382 | , i = 0 | |
383 | , color; | |
8bc844c0 | 384 | |
3f455f90 PK |
385 | for (; i < 256; i++) { |
386 | color = parseInt(colors[i].substring(1), 16); | |
387 | out.push([ | |
388 | (color >> 16) & 0xff, | |
389 | (color >> 8) & 0xff, | |
390 | color & 0xff | |
391 | ]); | |
392 | } | |
5fd1948b | 393 | |
3f455f90 PK |
394 | return out; |
395 | })(); | |
396 | ||
397 | /** | |
398 | * Options | |
399 | */ | |
400 | ||
401 | Terminal.defaults = { | |
402 | colors: Terminal.colors, | |
403 | theme: 'default', | |
404 | convertEol: false, | |
405 | termName: 'xterm', | |
406 | geometry: [80, 24], | |
407 | cursorBlink: false, | |
408 | visualBell: false, | |
409 | popOnBell: false, | |
410 | scrollback: 1000, | |
411 | screenKeys: false, | |
412 | debug: false, | |
413 | cancelEvents: false | |
414 | // programFeatures: false, | |
415 | // focusKeys: false, | |
416 | }; | |
cc7f4d0d | 417 | |
3f455f90 | 418 | Terminal.options = {}; |
cd956bca | 419 | |
7988f634 SS |
420 | Terminal.focus = null; |
421 | ||
3f455f90 PK |
422 | each(keys(Terminal.defaults), function(key) { |
423 | Terminal[key] = Terminal.defaults[key]; | |
424 | Terminal.options[key] = Terminal.defaults[key]; | |
425 | }); | |
426 | ||
427 | /** | |
a6e85ad5 | 428 | * Focus the terminal. Delegates focus handling to the terminal's DOM element. |
fd5be55d DI |
429 | * |
430 | * @public | |
3f455f90 PK |
431 | */ |
432 | Terminal.prototype.focus = function() { | |
a6e85ad5 PK |
433 | return this.element.focus(); |
434 | }; | |
8bc844c0 | 435 | |
a6e85ad5 PK |
436 | /** |
437 | * Binds the desired focus behavior on a given terminal object. | |
438 | * | |
439 | * @static | |
440 | */ | |
441 | Terminal.bindFocus = function (term) { | |
442 | on(term.element, 'focus', function (ev) { | |
443 | if (term.sendFocus) { | |
444 | term.send('\x1b[I'); | |
445 | } | |
8bc844c0 | 446 | |
a6e85ad5 PK |
447 | term.showCursor(); |
448 | Terminal.focus = term; | |
449 | term.emit('focus', {terminal: term}); | |
450 | }); | |
3f455f90 | 451 | }; |
8bc844c0 | 452 | |
a6e85ad5 PK |
453 | /** |
454 | * Blur the terminal. Delegates blur handling to the terminal's DOM element. | |
455 | * | |
456 | * @public | |
457 | */ | |
3f455f90 | 458 | Terminal.prototype.blur = function() { |
3217a4be | 459 | return this.element.blur(); |
a6e85ad5 | 460 | }; |
8bc844c0 | 461 | |
a6e85ad5 PK |
462 | /** |
463 | * Binds the desired blur behavior on a given terminal object. | |
464 | * | |
465 | * @static | |
466 | */ | |
467 | Terminal.bindBlur = function (term) { | |
468 | on(term.element, 'blur', function (ev) { | |
469 | if (term.sendFocus) { | |
470 | term.send('\x1b[O'); | |
471 | } | |
472 | Terminal.focus = null; | |
473 | term.emit('blur', {terminal: term}); | |
474 | }); | |
3f455f90 | 475 | }; |
8bc844c0 | 476 | |
3f455f90 PK |
477 | /** |
478 | * Initialize default behavior | |
479 | */ | |
3f455f90 | 480 | Terminal.prototype.initGlobal = function() { |
3f455f90 | 481 | Terminal.bindKeys(this); |
c02cc844 | 482 | Terminal.bindPaste(this); |
3f455f90 | 483 | Terminal.bindCopy(this); |
c02cc844 | 484 | Terminal.bindCut(this); |
18b2a1c3 | 485 | Terminal.bindDrop(this); |
a6e85ad5 PK |
486 | Terminal.bindFocus(this); |
487 | Terminal.bindBlur(this); | |
3f455f90 | 488 | }; |
8bc844c0 | 489 | |
64721687 PK |
490 | /** |
491 | * Clears all selected text, inside the terminal. | |
492 | */ | |
493 | Terminal.prototype.clearSelection = function() { | |
494 | var selectionBaseNode = window.getSelection().baseNode; | |
495 | ||
496 | if (selectionBaseNode && (this.element.contains(selectionBaseNode.parentElement))) { | |
497 | window.getSelection().removeAllRanges(); | |
498 | } | |
499 | }; | |
500 | ||
501 | /** | |
502 | * This function temporarily enables (leases) the contentEditable value of the terminal, which | |
503 | * should be set back to false within 5 seconds at most. | |
504 | */ | |
505 | Terminal.prototype.leaseContentEditable = function (ms, callback) { | |
506 | var term = this; | |
507 | ||
508 | term.element.contentEditable = true; | |
3217a4be PK |
509 | |
510 | /** | |
511 | * Blur and re-focus instantly. This is due to a weird focus state on Chrome, when setting | |
512 | * contentEditable to true on a focused element. | |
513 | */ | |
514 | term.blur(); | |
515 | term.focus(); | |
516 | ||
64721687 PK |
517 | setTimeout(function () { |
518 | term.element.contentEditable = false; | |
519 | if (typeof callback == 'function') { | |
520 | callback.call(term); | |
521 | } | |
522 | }, ms || 5000); | |
3f455f90 | 523 | }; |
8bc844c0 | 524 | |
3f455f90 | 525 | /** |
64721687 PK |
526 | * Bind to paste event and allow both keyboard and right-click pasting, without having the |
527 | * contentEditable value set to true. | |
3f455f90 PK |
528 | */ |
529 | Terminal.bindPaste = function(term) { | |
58056df2 | 530 | on(term.element, 'paste', function(ev) { |
3f455f90 PK |
531 | if (ev.clipboardData) { |
532 | var text = ev.clipboardData.getData('text/plain'); | |
8fa1a465 | 533 | term.emit('paste', text, ev); |
3f455f90 | 534 | term.handler(text); |
64721687 PK |
535 | /** |
536 | * Cancel the paste event, or else things will be pasted twice: | |
537 | * 1. by the terminal handler | |
538 | * 2. by the browser, because of the contentEditable value being true | |
539 | */ | |
540 | term.cancel(ev, true); | |
541 | ||
542 | /** | |
543 | * After the paste event is completed, always set the contentEditable value to false. | |
544 | */ | |
545 | term.element.contentEditable = false; | |
3f455f90 | 546 | } |
3f455f90 | 547 | }); |
8fa1a465 PK |
548 | |
549 | /** | |
64721687 PK |
550 | * Hack pasting with keyboard, in order to make it work without contentEditable. |
551 | * When a user types Ctrl + Shift + V or Cmd + V on a Mac, lease the contentEditable value | |
552 | * as true. | |
8fa1a465 | 553 | */ |
64721687 | 554 | on(term.element, 'keydown', function (ev) { |
3217a4be PK |
555 | var isEditable = term.element.contentEditable === "true"; |
556 | ||
64721687 PK |
557 | /** |
558 | * If on a Mac, lease the contentEditable value temporarily, when the user presses | |
3217a4be | 559 | * the Cmd button, in a keydown event order to paste frictionlessly. |
64721687 | 560 | */ |
3217a4be PK |
561 | if (term.isMac && ev.metaKey && !isEditable) { |
562 | term.leaseContentEditable(5000); | |
3f455f90 | 563 | } |
524db022 | 564 | |
3217a4be | 565 | if (!term.isMac && ev.keyCode == 45 && ev.shiftKey && !ev.ctrlKey && !isEditable) { |
524db022 | 566 | // Shift + Insert pastes on windows and many linuxes |
567 | term.leaseContentEditable(); | |
568 | } | |
8fa1a465 PK |
569 | }); |
570 | ||
64721687 PK |
571 | /** |
572 | * Hack pasting with right-click in order to allow right-click paste, by leasing the | |
573 | * contentEditable value as true. | |
574 | */ | |
575 | on(term.element, 'contextmenu', function (ev) { | |
576 | term.leaseContentEditable(); | |
3f455f90 PK |
577 | }); |
578 | }; | |
8bc844c0 | 579 | |
8bc844c0 | 580 | |
3f455f90 PK |
581 | /* |
582 | * Apply key handling to the terminal | |
583 | */ | |
584 | Terminal.bindKeys = function(term) { | |
585 | on(term.element, 'keydown', function(ev) { | |
3f455f90 PK |
586 | term.keyDown(ev); |
587 | }, true); | |
8bc844c0 | 588 | |
3f455f90 | 589 | on(term.element, 'keypress', function(ev) { |
3f455f90 PK |
590 | term.keyPress(ev); |
591 | }, true); | |
3f455f90 | 592 | }; |
8bc844c0 | 593 | |
00f4232e PK |
594 | /** |
595 | * Prepares text copied from terminal selection, to be saved in the clipboard by: | |
596 | * 1. stripping all trailing white spaces | |
597 | * 2. converting all non-breaking spaces to regular spaces | |
598 | * @param {string} text The copied text that needs processing for storing in clipboard | |
fed92ac5 | 599 | * @returns {string} |
00f4232e PK |
600 | * @static |
601 | */ | |
602 | Terminal.prepareCopiedTextForClipboard = function (text) { | |
603 | var space = String.fromCharCode(32), | |
604 | nonBreakingSpace = String.fromCharCode(160), | |
605 | allNonBreakingSpaces = new RegExp(nonBreakingSpace, 'g'), | |
606 | processedText = text.split('\n').map(function (line) { | |
607 | /** | |
608 | * Strip all trailing white spaces and convert all non-breaking spaces to regular | |
609 | * spaces. | |
610 | */ | |
611 | var processedLine = line.replace(/\s+$/g, '').replace(allNonBreakingSpaces, space); | |
612 | ||
613 | return processedLine; | |
614 | }).join('\n'); | |
615 | ||
616 | return processedText; | |
617 | }; | |
8bc844c0 | 618 | |
c02cc844 | 619 | /** |
00f4232e PK |
620 | * Binds copy functionality to the given terminal. |
621 | * @static | |
3f455f90 PK |
622 | */ |
623 | Terminal.bindCopy = function(term) { | |
624 | on(term.element, 'copy', function(ev) { | |
00f4232e PK |
625 | var copiedText = window.getSelection().toString(), |
626 | text = Terminal.prepareCopiedTextForClipboard(copiedText); | |
627 | ||
628 | ev.clipboardData.setData('text/plain', text); | |
c02cc844 PK |
629 | ev.preventDefault(); |
630 | }); | |
631 | }; | |
8bc844c0 | 632 | |
c02cc844 PK |
633 | /** |
634 | * Cancel the cut event completely | |
635 | */ | |
636 | Terminal.bindCut = function(term) { | |
637 | on(term.element, 'cut', function (ev) { | |
638 | ev.preventDefault(); | |
8bc844c0 | 639 | }); |
3f455f90 | 640 | }; |
8bc844c0 | 641 | |
8bc844c0 | 642 | |
18b2a1c3 PK |
643 | Terminal.bindDrop = function (term) { |
644 | /* | |
645 | * Do not perform the "drop" event. Altering the contents of the | |
646 | * terminal with drag n drop is unwanted behavior. | |
647 | */ | |
648 | on(term.element, 'drop', function (ev) { | |
649 | term.cancel(ev, true); | |
650 | }); | |
3f455f90 | 651 | }; |
8bc844c0 | 652 | |
3f455f90 | 653 | |
6406a88d PK |
654 | Terminal.click = function (term) { |
655 | /* | |
656 | * Do not perform the "drop" event. Altering the contents of the | |
657 | * terminal with drag n drop is unwanted behavior. | |
658 | */ | |
659 | on(term.element, 'click', function (ev) { | |
660 | term.cancel(ev, true); | |
8bc844c0 | 661 | }); |
3f455f90 | 662 | }; |
8bc844c0 | 663 | |
8bc844c0 | 664 | |
3f455f90 PK |
665 | /* |
666 | * Insert the given row to the terminal or produce a new one | |
667 | * if no row argument is passed. Return the inserted row. | |
668 | */ | |
669 | Terminal.prototype.insertRow = function (row) { | |
670 | if (typeof row != 'object') { | |
671 | row = document.createElement('div'); | |
672 | } | |
8bc844c0 | 673 | |
3f455f90 PK |
674 | this.rowContainer.appendChild(row); |
675 | this.children.push(row); | |
676 | ||
677 | return row; | |
f3bd6145 | 678 | }; |
8bc844c0 | 679 | |
8bc844c0 | 680 | |
fd5be55d DI |
681 | /** |
682 | * Opens the terminal within an element. | |
683 | * | |
684 | * @param {HTMLElement} parent The element to create the terminal within. | |
685 | * | |
686 | * @public | |
3f455f90 PK |
687 | */ |
688 | Terminal.prototype.open = function(parent) { | |
689 | var self=this, i=0, div; | |
8bc844c0 | 690 | |
3f455f90 | 691 | this.parent = parent || this.parent; |
8bc844c0 | 692 | |
3f455f90 PK |
693 | if (!this.parent) { |
694 | throw new Error('Terminal requires a parent element.'); | |
695 | } | |
8bc844c0 | 696 | |
3f455f90 PK |
697 | /* |
698 | * Grab global elements | |
699 | */ | |
700 | this.context = this.parent.ownerDocument.defaultView; | |
701 | this.document = this.parent.ownerDocument; | |
702 | this.body = this.document.getElementsByTagName('body')[0]; | |
703 | ||
704 | /* | |
705 | * Parse User-Agent | |
706 | */ | |
707 | if (this.context.navigator && this.context.navigator.userAgent) { | |
3f455f90 PK |
708 | this.isMSIE = !!~this.context.navigator.userAgent.indexOf('MSIE'); |
709 | } | |
8bc844c0 | 710 | |
b01165c1 | 711 | /* |
712 | * Find the users platform. We use this to interpret the meta key | |
713 | * and ISO third level shifts. | |
714 | * http://stackoverflow.com/questions/19877924/what-is-the-list-of-possible-values-for-navigator-platform-as-of-today | |
715 | */ | |
716 | if (this.context.navigator && this.context.navigator.platform) { | |
717 | this.isMac = contains( | |
718 | this.context.navigator.platform, | |
719 | ['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'] | |
720 | ); | |
721 | this.isIpad = this.context.navigator.platform === 'iPad'; | |
722 | this.isIphone = this.context.navigator.platform === 'iPhone'; | |
723 | this.isMSWindows = contains( | |
724 | this.context.navigator.platform, | |
725 | ['Windows', 'Win16', 'Win32', 'WinCE'] | |
726 | ); | |
727 | } | |
728 | ||
3f455f90 PK |
729 | /* |
730 | * Create main element container | |
731 | */ | |
732 | this.element = this.document.createElement('div'); | |
a523803d AK |
733 | this.element.classList.add('terminal'); |
734 | this.element.classList.add('xterm'); | |
735 | this.element.classList.add('xterm-theme-' + this.theme); | |
3f455f90 | 736 | this.element.setAttribute('tabindex', 0); |
3217a4be | 737 | this.element.spellcheck = false; |
3f455f90 PK |
738 | |
739 | /* | |
740 | * Create the container that will hold the lines of the terminal and then | |
741 | * produce the lines the lines. | |
742 | */ | |
743 | this.rowContainer = document.createElement('div'); | |
744 | this.rowContainer.classList.add('xterm-rows'); | |
745 | this.element.appendChild(this.rowContainer); | |
746 | this.children = []; | |
747 | ||
3f455f90 PK |
748 | for (; i < this.rows; i++) { |
749 | this.insertRow(); | |
750 | } | |
751 | this.parent.appendChild(this.element); | |
8bc844c0 | 752 | |
3f455f90 PK |
753 | // Draw the screen. |
754 | this.refresh(0, this.rows - 1); | |
8bc844c0 | 755 | |
3f455f90 PK |
756 | // Initialize global actions that |
757 | // need to be taken on the document. | |
758 | this.initGlobal(); | |
15f68335 | 759 | |
3f455f90 PK |
760 | // Ensure there is a Terminal.focus. |
761 | this.focus(); | |
15f68335 | 762 | |
3f455f90 | 763 | on(this.element, 'mouseup', function() { |
f53f5735 TD |
764 | var selection = document.getSelection(), |
765 | collapsed = selection.isCollapsed, | |
766 | isRange = typeof collapsed == 'boolean' ? !collapsed : selection.type == 'Range'; | |
767 | if (!isRange) { | |
3f455f90 PK |
768 | self.focus(); |
769 | } | |
770 | }); | |
8bc844c0 | 771 | |
3f455f90 PK |
772 | // Listen for mouse events and translate |
773 | // them into terminal mouse protocols. | |
774 | this.bindMouse(); | |
8bc844c0 | 775 | |
3f455f90 PK |
776 | // Figure out whether boldness affects |
777 | // the character width of monospace fonts. | |
778 | if (Terminal.brokenBold == null) { | |
779 | Terminal.brokenBold = isBoldBroken(this.document); | |
8bc844c0 CJ |
780 | } |
781 | ||
3f455f90 PK |
782 | this.emit('open'); |
783 | }; | |
8bc844c0 | 784 | |
57300f51 PK |
785 | |
786 | /** | |
787 | * Attempts to load an add-on using CommonJS or RequireJS (whichever is available). | |
788 | * @param {string} addon The name of the addon to load | |
789 | * @static | |
790 | */ | |
791 | Terminal.loadAddon = function(addon, callback) { | |
792 | if (typeof exports === 'object' && typeof module === 'object') { | |
793 | // CommonJS | |
794 | return require(__dirname + '/../addons/' + addon); | |
795 | } else if (typeof define == 'function') { | |
796 | // RequireJS | |
797 | return require(['../addons/' + addon + '/' + addon], callback); | |
798 | } else { | |
799 | console.error('Cannot load a module without a CommonJS or RequireJS environment.'); | |
800 | return false; | |
801 | } | |
802 | }; | |
803 | ||
804 | ||
3f455f90 PK |
805 | // XTerm mouse events |
806 | // http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking | |
807 | // To better understand these | |
808 | // the xterm code is very helpful: | |
809 | // Relevant files: | |
810 | // button.c, charproc.c, misc.c | |
811 | // Relevant functions in xterm/button.c: | |
812 | // BtnCode, EmitButtonCode, EditorButton, SendMousePosition | |
813 | Terminal.prototype.bindMouse = function() { | |
814 | var el = this.element | |
815 | , self = this | |
816 | , pressed = 32; | |
817 | ||
818 | var wheelEvent = 'onmousewheel' in this.context | |
819 | ? 'mousewheel' | |
820 | : 'DOMMouseScroll'; | |
8bc844c0 | 821 | |
3f455f90 PK |
822 | // mouseup, mousedown, mousewheel |
823 | // left click: ^[[M 3<^[[M#3< | |
824 | // mousewheel up: ^[[M`3> | |
825 | function sendButton(ev) { | |
826 | var button | |
827 | , pos; | |
8bc844c0 | 828 | |
3f455f90 PK |
829 | // get the xterm-style button |
830 | button = getButton(ev); | |
8bc844c0 | 831 | |
3f455f90 PK |
832 | // get mouse coordinates |
833 | pos = getCoords(ev); | |
834 | if (!pos) return; | |
8bc844c0 | 835 | |
3f455f90 | 836 | sendEvent(button, pos); |
8bc844c0 | 837 | |
3f455f90 PK |
838 | switch (ev.type) { |
839 | case 'mousedown': | |
840 | pressed = button; | |
8bc844c0 | 841 | break; |
3f455f90 PK |
842 | case 'mouseup': |
843 | // keep it at the left | |
844 | // button, just in case. | |
845 | pressed = 32; | |
8bc844c0 | 846 | break; |
3f455f90 PK |
847 | case wheelEvent: |
848 | // nothing. don't | |
849 | // interfere with | |
850 | // `pressed`. | |
8bc844c0 | 851 | break; |
3f455f90 PK |
852 | } |
853 | } | |
8bc844c0 | 854 | |
3f455f90 PK |
855 | // motion example of a left click: |
856 | // ^[[M 3<^[[M@4<^[[M@5<^[[M@6<^[[M@7<^[[M#7< | |
857 | function sendMove(ev) { | |
858 | var button = pressed | |
859 | , pos; | |
8bc844c0 | 860 | |
3f455f90 PK |
861 | pos = getCoords(ev); |
862 | if (!pos) return; | |
a7f50531 | 863 | |
3f455f90 PK |
864 | // buttons marked as motions |
865 | // are incremented by 32 | |
866 | button += 32; | |
a7f50531 | 867 | |
3f455f90 PK |
868 | sendEvent(button, pos); |
869 | } | |
efa0e3c1 | 870 | |
3f455f90 PK |
871 | // encode button and |
872 | // position to characters | |
873 | function encode(data, ch) { | |
874 | if (!self.utfMouse) { | |
875 | if (ch === 255) return data.push(0); | |
876 | if (ch > 127) ch = 127; | |
877 | data.push(ch); | |
878 | } else { | |
879 | if (ch === 2047) return data.push(0); | |
880 | if (ch < 127) { | |
881 | data.push(ch); | |
882 | } else { | |
883 | if (ch > 2047) ch = 2047; | |
884 | data.push(0xC0 | (ch >> 6)); | |
885 | data.push(0x80 | (ch & 0x3F)); | |
886 | } | |
8bc844c0 | 887 | } |
3f455f90 | 888 | } |
8bc844c0 | 889 | |
3f455f90 PK |
890 | // send a mouse event: |
891 | // regular/utf8: ^[[M Cb Cx Cy | |
892 | // urxvt: ^[[ Cb ; Cx ; Cy M | |
893 | // sgr: ^[[ Cb ; Cx ; Cy M/m | |
894 | // vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \r | |
895 | // locator: CSI P e ; P b ; P r ; P c ; P p & w | |
896 | function sendEvent(button, pos) { | |
897 | // self.emit('mouse', { | |
898 | // x: pos.x - 32, | |
899 | // y: pos.x - 32, | |
900 | // button: button | |
901 | // }); | |
902 | ||
903 | if (self.vt300Mouse) { | |
904 | // NOTE: Unstable. | |
905 | // http://www.vt100.net/docs/vt3xx-gp/chapter15.html | |
906 | button &= 3; | |
907 | pos.x -= 32; | |
908 | pos.y -= 32; | |
909 | var data = '\x1b[24'; | |
910 | if (button === 0) data += '1'; | |
911 | else if (button === 1) data += '3'; | |
912 | else if (button === 2) data += '5'; | |
913 | else if (button === 3) return; | |
914 | else data += '0'; | |
915 | data += '~[' + pos.x + ',' + pos.y + ']\r'; | |
916 | self.send(data); | |
917 | return; | |
918 | } | |
8bc844c0 | 919 | |
3f455f90 PK |
920 | if (self.decLocator) { |
921 | // NOTE: Unstable. | |
922 | button &= 3; | |
923 | pos.x -= 32; | |
924 | pos.y -= 32; | |
925 | if (button === 0) button = 2; | |
926 | else if (button === 1) button = 4; | |
927 | else if (button === 2) button = 6; | |
928 | else if (button === 3) button = 3; | |
929 | self.send('\x1b[' | |
930 | + button | |
931 | + ';' | |
932 | + (button === 3 ? 4 : 0) | |
933 | + ';' | |
934 | + pos.y | |
935 | + ';' | |
936 | + pos.x | |
937 | + ';' | |
938 | + (pos.page || 0) | |
939 | + '&w'); | |
940 | return; | |
941 | } | |
8bc844c0 | 942 | |
3f455f90 PK |
943 | if (self.urxvtMouse) { |
944 | pos.x -= 32; | |
945 | pos.y -= 32; | |
946 | pos.x++; | |
947 | pos.y++; | |
948 | self.send('\x1b[' + button + ';' + pos.x + ';' + pos.y + 'M'); | |
949 | return; | |
950 | } | |
8bc844c0 | 951 | |
3f455f90 PK |
952 | if (self.sgrMouse) { |
953 | pos.x -= 32; | |
954 | pos.y -= 32; | |
955 | self.send('\x1b[<' | |
956 | + ((button & 3) === 3 ? button & ~3 : button) | |
957 | + ';' | |
958 | + pos.x | |
959 | + ';' | |
960 | + pos.y | |
961 | + ((button & 3) === 3 ? 'm' : 'M')); | |
962 | return; | |
963 | } | |
8bc844c0 | 964 | |
3f455f90 | 965 | var data = []; |
8bc844c0 | 966 | |
3f455f90 PK |
967 | encode(data, button); |
968 | encode(data, pos.x); | |
969 | encode(data, pos.y); | |
8bc844c0 | 970 | |
3f455f90 PK |
971 | self.send('\x1b[M' + String.fromCharCode.apply(String, data)); |
972 | } | |
8bc844c0 | 973 | |
3f455f90 PK |
974 | function getButton(ev) { |
975 | var button | |
976 | , shift | |
977 | , meta | |
978 | , ctrl | |
979 | , mod; | |
980 | ||
981 | // two low bits: | |
982 | // 0 = left | |
983 | // 1 = middle | |
984 | // 2 = right | |
985 | // 3 = release | |
986 | // wheel up/down: | |
987 | // 1, and 2 - with 64 added | |
988 | switch (ev.type) { | |
989 | case 'mousedown': | |
990 | button = ev.button != null | |
991 | ? +ev.button | |
992 | : ev.which != null | |
993 | ? ev.which - 1 | |
994 | : null; | |
995 | ||
996 | if (self.isMSIE) { | |
997 | button = button === 1 ? 0 : button === 4 ? 1 : button; | |
8bc844c0 | 998 | } |
8bc844c0 | 999 | break; |
3f455f90 PK |
1000 | case 'mouseup': |
1001 | button = 3; | |
8bc844c0 | 1002 | break; |
3f455f90 PK |
1003 | case 'DOMMouseScroll': |
1004 | button = ev.detail < 0 | |
1005 | ? 64 | |
1006 | : 65; | |
8bc844c0 | 1007 | break; |
3f455f90 PK |
1008 | case 'mousewheel': |
1009 | button = ev.wheelDeltaY > 0 | |
1010 | ? 64 | |
1011 | : 65; | |
8bc844c0 | 1012 | break; |
3f455f90 | 1013 | } |
8bc844c0 | 1014 | |
3f455f90 PK |
1015 | // next three bits are the modifiers: |
1016 | // 4 = shift, 8 = meta, 16 = control | |
1017 | shift = ev.shiftKey ? 4 : 0; | |
1018 | meta = ev.metaKey ? 8 : 0; | |
1019 | ctrl = ev.ctrlKey ? 16 : 0; | |
1020 | mod = shift | meta | ctrl; | |
1021 | ||
1022 | // no mods | |
1023 | if (self.vt200Mouse) { | |
1024 | // ctrl only | |
1025 | mod &= ctrl; | |
1026 | } else if (!self.normalMouse) { | |
1027 | mod = 0; | |
1028 | } | |
8bc844c0 | 1029 | |
3f455f90 PK |
1030 | // increment to SP |
1031 | button = (32 + (mod << 2)) + button; | |
8bc844c0 | 1032 | |
3f455f90 PK |
1033 | return button; |
1034 | } | |
8bc844c0 | 1035 | |
3f455f90 PK |
1036 | // mouse coordinates measured in cols/rows |
1037 | function getCoords(ev) { | |
1038 | var x, y, w, h, el; | |
1039 | ||
1040 | // ignore browsers without pageX for now | |
1041 | if (ev.pageX == null) return; | |
1042 | ||
1043 | x = ev.pageX; | |
1044 | y = ev.pageY; | |
1045 | el = self.element; | |
1046 | ||
1047 | // should probably check offsetParent | |
1048 | // but this is more portable | |
1049 | while (el && el !== self.document.documentElement) { | |
1050 | x -= el.offsetLeft; | |
1051 | y -= el.offsetTop; | |
1052 | el = 'offsetParent' in el | |
1053 | ? el.offsetParent | |
1054 | : el.parentNode; | |
1055 | } | |
8bc844c0 | 1056 | |
3f455f90 PK |
1057 | // convert to cols/rows |
1058 | w = self.element.clientWidth; | |
1059 | h = self.element.clientHeight; | |
1060 | x = Math.round((x / w) * self.cols); | |
1061 | y = Math.round((y / h) * self.rows); | |
1062 | ||
1063 | // be sure to avoid sending | |
1064 | // bad positions to the program | |
1065 | if (x < 0) x = 0; | |
1066 | if (x > self.cols) x = self.cols; | |
1067 | if (y < 0) y = 0; | |
1068 | if (y > self.rows) y = self.rows; | |
1069 | ||
1070 | // xterm sends raw bytes and | |
1071 | // starts at 32 (SP) for each. | |
1072 | x += 32; | |
1073 | y += 32; | |
1074 | ||
1075 | return { | |
1076 | x: x, | |
1077 | y: y, | |
1078 | type: ev.type === wheelEvent | |
1079 | ? 'mousewheel' | |
1080 | : ev.type | |
1081 | }; | |
1082 | } | |
8bc844c0 | 1083 | |
3f455f90 PK |
1084 | on(el, 'mousedown', function(ev) { |
1085 | if (!self.mouseEvents) return; | |
8bc844c0 | 1086 | |
3f455f90 PK |
1087 | // send the button |
1088 | sendButton(ev); | |
1089 | ||
1090 | // ensure focus | |
1091 | self.focus(); | |
1092 | ||
1093 | // fix for odd bug | |
1094 | //if (self.vt200Mouse && !self.normalMouse) { | |
1095 | if (self.vt200Mouse) { | |
1096 | sendButton({ __proto__: ev, type: 'mouseup' }); | |
1097 | return self.cancel(ev); | |
8bc844c0 | 1098 | } |
8bc844c0 | 1099 | |
3f455f90 PK |
1100 | // bind events |
1101 | if (self.normalMouse) on(self.document, 'mousemove', sendMove); | |
1102 | ||
1103 | // x10 compatibility mode can't send button releases | |
1104 | if (!self.x10Mouse) { | |
1105 | on(self.document, 'mouseup', function up(ev) { | |
1106 | sendButton(ev); | |
1107 | if (self.normalMouse) off(self.document, 'mousemove', sendMove); | |
1108 | off(self.document, 'mouseup', up); | |
1109 | return self.cancel(ev); | |
1110 | }); | |
8bc844c0 | 1111 | } |
3f455f90 PK |
1112 | |
1113 | return self.cancel(ev); | |
1114 | }); | |
1115 | ||
1116 | //if (self.normalMouse) { | |
1117 | // on(self.document, 'mousemove', sendMove); | |
1118 | //} | |
1119 | ||
1120 | on(el, wheelEvent, function(ev) { | |
1121 | if (!self.mouseEvents) return; | |
1122 | if (self.x10Mouse | |
1123 | || self.vt300Mouse | |
1124 | || self.decLocator) return; | |
1125 | sendButton(ev); | |
1126 | return self.cancel(ev); | |
1127 | }); | |
1128 | ||
1129 | // allow mousewheel scrolling in | |
1130 | // the shell for example | |
1131 | on(el, wheelEvent, function(ev) { | |
1132 | if (self.mouseEvents) return; | |
1133 | if (self.applicationKeypad) return; | |
1134 | if (ev.type === 'DOMMouseScroll') { | |
1135 | self.scrollDisp(ev.detail < 0 ? -1 : 1); | |
1136 | } else { | |
1137 | self.scrollDisp(ev.wheelDeltaY > 0 ? -1 : 1); | |
1138 | } | |
1139 | return self.cancel(ev); | |
1140 | }); | |
1141 | }; | |
1142 | ||
1143 | /** | |
fd5be55d DI |
1144 | * Destroys the terminal. |
1145 | * | |
1146 | * @public | |
3f455f90 | 1147 | */ |
3f455f90 PK |
1148 | Terminal.prototype.destroy = function() { |
1149 | this.readable = false; | |
1150 | this.writable = false; | |
1151 | this._events = {}; | |
1152 | this.handler = function() {}; | |
1153 | this.write = function() {}; | |
1154 | if (this.element.parentNode) { | |
1155 | this.element.parentNode.removeChild(this.element); | |
1156 | } | |
1157 | //this.emit('close'); | |
1158 | }; | |
1159 | ||
1160 | ||
1a384616 PK |
1161 | /** |
1162 | * Flags used to render terminal text properly | |
1163 | */ | |
1164 | Terminal.flags = { | |
5a56849d PK |
1165 | BOLD: 1, |
1166 | UNDERLINE: 2, | |
1167 | BLINK: 4, | |
1168 | INVERSE: 8, | |
1169 | INVISIBLE: 16 | |
1a384616 PK |
1170 | } |
1171 | ||
3f455f90 PK |
1172 | /* |
1173 | * Rendering Engine | |
1174 | * | |
1175 | * In the screen buffer, each character | |
1176 | * is stored as a an array with a character | |
1177 | * and a 32-bit integer. | |
1178 | * First value: a utf-16 character. | |
1179 | * Second value: | |
1180 | * Next 9 bits: background color (0-511). | |
1181 | * Next 9 bits: foreground color (0-511). | |
1182 | * Next 14 bits: a mask for misc. flags: | |
1183 | * 1=bold, 2=underline, 4=blink, 8=inverse, 16=invisible | |
1184 | */ | |
fd5be55d DI |
1185 | |
1186 | /** | |
1187 | * Refreshes terminal content within two rows (inclusive). | |
1188 | * | |
1189 | * @param {number} start The row to start from (between 0 and terminal's height terminal - 1) | |
1190 | * @param {number} end The row to end at (between fromRow and terminal's height terminal - 1) | |
a6e85ad5 | 1191 | * @param {boolean} queue Whether the refresh should ran right now or be queued |
fd5be55d DI |
1192 | * |
1193 | * @public | |
1194 | */ | |
a6e85ad5 PK |
1195 | Terminal.prototype.refresh = function(start, end, queue) { |
1196 | var self = this; | |
1197 | ||
1198 | // queue defaults to true | |
1199 | queue = (typeof queue == 'undefined') ? true : queue; | |
3f455f90 | 1200 | |
a6e85ad5 PK |
1201 | /** |
1202 | * The refresh queue allows refresh to execute only approximately 30 times a second. For | |
1203 | * commands that pass a significant amount of output to the write function, this prevents the | |
1204 | * terminal from maxing out the CPU and making the UI unresponsive. While commands can still | |
1205 | * run beyond what they do on the terminal, it is far better with a debounce in place as | |
1206 | * every single terminal manipulation does not need to be constructed in the DOM. | |
1207 | * | |
1208 | * A side-effect of this is that it makes ^C to interrupt a process seem more responsive. | |
1209 | */ | |
1210 | if (queue) { | |
1211 | // If refresh should be queued, order the refresh and return. | |
1212 | if (this._refreshIsQueued) { | |
1213 | // If a refresh has already been queued, just order a full refresh next | |
1214 | this._fullRefreshNext = true; | |
1215 | } else { | |
1216 | setTimeout(function () { | |
1217 | self.refresh(start, end, false); | |
1218 | }, 34) | |
1219 | this._refreshIsQueued = true; | |
1220 | } | |
af29effb DI |
1221 | return; |
1222 | } | |
a6e85ad5 PK |
1223 | |
1224 | // If refresh should be run right now (not be queued), release the lock | |
1225 | this._refreshIsQueued = false; | |
1226 | ||
1227 | // If multiple refreshes were requested, make a full refresh. | |
1228 | if (this._fullRefreshNext) { | |
1229 | start = 0; | |
1230 | end = this.rows - 1; | |
1231 | this._fullRefreshNext = false // reset lock | |
1232 | } | |
1233 | ||
1234 | var x, y, i, line, out, ch, width, data, attr, bg, fg, flags, row, parent, focused = document.activeElement; | |
af29effb | 1235 | |
af7588ef | 1236 | // If this is a big refresh, remove the terminal rows from the DOM for faster calculations |
3f455f90 PK |
1237 | if (end - start >= this.rows / 2) { |
1238 | parent = this.element.parentNode; | |
af7588ef PK |
1239 | if (parent) { |
1240 | this.element.removeChild(this.rowContainer); | |
1241 | } | |
3f455f90 PK |
1242 | } |
1243 | ||
1244 | width = this.cols; | |
1245 | y = start; | |
1246 | ||
edf89718 | 1247 | if (end >= this.rows.length) { |
3f455f90 | 1248 | this.log('`end` is too large. Most likely a bad CSR.'); |
edf89718 | 1249 | end = this.rows.length - 1; |
3f455f90 PK |
1250 | } |
1251 | ||
1252 | for (; y <= end; y++) { | |
1253 | row = y + this.ydisp; | |
1254 | ||
1255 | line = this.lines[row]; | |
1256 | out = ''; | |
1257 | ||
da9f86f1 | 1258 | if (this.y === y - (this.ybase - this.ydisp) |
3f455f90 | 1259 | && this.cursorState |
3f455f90 PK |
1260 | && !this.cursorHidden) { |
1261 | x = this.x; | |
1262 | } else { | |
1263 | x = -1; | |
1264 | } | |
1265 | ||
1266 | attr = this.defAttr; | |
1267 | i = 0; | |
1268 | ||
1269 | for (; i < width; i++) { | |
1270 | data = line[i][0]; | |
1271 | ch = line[i][1]; | |
1272 | ||
1273 | if (i === x) data = -1; | |
1274 | ||
1275 | if (data !== attr) { | |
1276 | if (attr !== this.defAttr) { | |
1277 | out += '</span>'; | |
1278 | } | |
1279 | if (data !== this.defAttr) { | |
1280 | if (data === -1) { | |
0d803ac8 DI |
1281 | out += '<span class="reverse-video terminal-cursor'; |
1282 | if (this.cursorBlink) { | |
1283 | out += ' blinking'; | |
1284 | } | |
1285 | out += '">'; | |
3f455f90 | 1286 | } else { |
ae0f9637 | 1287 | var classNames = []; |
3f455f90 PK |
1288 | |
1289 | bg = data & 0x1ff; | |
1290 | fg = (data >> 9) & 0x1ff; | |
1291 | flags = data >> 18; | |
1292 | ||
1a384616 | 1293 | if (flags & Terminal.flags.BOLD) { |
3f455f90 | 1294 | if (!Terminal.brokenBold) { |
ae0f9637 | 1295 | classNames.push('xterm-bold'); |
3f455f90 PK |
1296 | } |
1297 | // See: XTerm*boldColors | |
1298 | if (fg < 8) fg += 8; | |
1299 | } | |
1300 | ||
1a384616 | 1301 | if (flags & Terminal.flags.UNDERLINE) { |
ae0f9637 | 1302 | classNames.push('xterm-underline'); |
3f455f90 PK |
1303 | } |
1304 | ||
1a384616 | 1305 | if (flags & Terminal.flags.BLINK) { |
ae0f9637 | 1306 | classNames.push('xterm-blink'); |
3f455f90 PK |
1307 | } |
1308 | ||
1a384616 PK |
1309 | /** |
1310 | * If inverse flag is on, then swap the foreground and background variables. | |
1311 | */ | |
1312 | if (flags & Terminal.flags.INVERSE) { | |
1313 | /* One-line variable swap in JavaScript: http://stackoverflow.com/a/16201730 */ | |
1314 | bg = [fg, fg = bg][0]; | |
1315 | // Should inverse just be before the | |
1316 | // above boldColors effect instead? | |
1317 | if ((flags & 1) && fg < 8) fg += 8; | |
3f455f90 PK |
1318 | } |
1319 | ||
1a384616 | 1320 | if (flags & Terminal.flags.INVISIBLE) { |
ae0f9637 | 1321 | classNames.push('xterm-hidden'); |
3f455f90 PK |
1322 | } |
1323 | ||
1a384616 PK |
1324 | /** |
1325 | * Weird situation: Invert flag used black foreground and white background results | |
1326 | * in invalid background color, positioned at the 256 index of the 256 terminal | |
1327 | * color map. Pin the colors manually in such a case. | |
1328 | * | |
1329 | * Source: https://github.com/sourcelair/xterm.js/issues/57 | |
1330 | */ | |
1331 | if (flags & Terminal.flags.INVERSE) { | |
1332 | if (bg == 257) { | |
1333 | bg = 15; | |
1334 | } | |
1335 | if (fg == 256) { | |
1336 | fg = 0; | |
1337 | } | |
1338 | } | |
1339 | ||
1340 | if (bg < 256) { | |
ae0f9637 | 1341 | classNames.push('xterm-bg-color-' + bg); |
3f455f90 PK |
1342 | } |
1343 | ||
1a384616 | 1344 | if (fg < 256) { |
ae0f9637 | 1345 | classNames.push('xterm-color-' + fg); |
3f455f90 PK |
1346 | } |
1347 | ||
ae0f9637 DI |
1348 | out += '<span'; |
1349 | if (classNames.length) { | |
1350 | out += ' class="' + classNames.join(' ') + '"'; | |
1351 | } | |
1352 | out += '>'; | |
8bc844c0 | 1353 | } |
3f455f90 PK |
1354 | } |
1355 | } | |
1356 | ||
1357 | switch (ch) { | |
1358 | case '&': | |
1359 | out += '&'; | |
8bc844c0 | 1360 | break; |
3f455f90 PK |
1361 | case '<': |
1362 | out += '<'; | |
8bc844c0 | 1363 | break; |
3f455f90 PK |
1364 | case '>': |
1365 | out += '>'; | |
8bc844c0 | 1366 | break; |
3f455f90 PK |
1367 | default: |
1368 | if (ch <= ' ') { | |
1369 | out += ' '; | |
1370 | } else { | |
1371 | if (isWide(ch)) i++; | |
1372 | out += ch; | |
1373 | } | |
8bc844c0 CJ |
1374 | break; |
1375 | } | |
1376 | ||
3f455f90 | 1377 | attr = data; |
8bc844c0 | 1378 | } |
8bc844c0 | 1379 | |
3f455f90 PK |
1380 | if (attr !== this.defAttr) { |
1381 | out += '</span>'; | |
8bc844c0 CJ |
1382 | } |
1383 | ||
3f455f90 PK |
1384 | this.children[y].innerHTML = out; |
1385 | } | |
8bc844c0 | 1386 | |
3f455f90 | 1387 | if (parent) { |
af7588ef | 1388 | this.element.appendChild(this.rowContainer); |
3f455f90 PK |
1389 | } |
1390 | ||
3f455f90 PK |
1391 | this.emit('refresh', {element: this.element, start: start, end: end}); |
1392 | }; | |
1393 | ||
3f455f90 PK |
1394 | Terminal.prototype.showCursor = function() { |
1395 | if (!this.cursorState) { | |
1396 | this.cursorState = 1; | |
1397 | this.refresh(this.y, this.y); | |
3f455f90 PK |
1398 | } |
1399 | }; | |
1400 | ||
3f455f90 PK |
1401 | Terminal.prototype.scroll = function() { |
1402 | var row; | |
1403 | ||
1404 | if (++this.ybase === this.scrollback) { | |
1405 | this.ybase = this.ybase / 2 | 0; | |
1406 | this.lines = this.lines.slice(-(this.ybase + this.rows) + 1); | |
1407 | } | |
1408 | ||
1409 | this.ydisp = this.ybase; | |
1410 | ||
1411 | // last line | |
1412 | row = this.ybase + this.rows - 1; | |
1413 | ||
1414 | // subtract the bottom scroll region | |
1415 | row -= this.rows - 1 - this.scrollBottom; | |
1416 | ||
1417 | if (row === this.lines.length) { | |
1418 | // potential optimization: | |
1419 | // pushing is faster than splicing | |
1420 | // when they amount to the same | |
1421 | // behavior. | |
1422 | this.lines.push(this.blankLine()); | |
1423 | } else { | |
1424 | // add our new line | |
1425 | this.lines.splice(row, 0, this.blankLine()); | |
1426 | } | |
1427 | ||
1428 | if (this.scrollTop !== 0) { | |
1429 | if (this.ybase !== 0) { | |
1430 | this.ybase--; | |
1431 | this.ydisp = this.ybase; | |
8bc844c0 | 1432 | } |
3f455f90 PK |
1433 | this.lines.splice(this.ybase + this.scrollTop, 1); |
1434 | } | |
8bc844c0 | 1435 | |
3f455f90 PK |
1436 | // this.maxRange(); |
1437 | this.updateRange(this.scrollTop); | |
1438 | this.updateRange(this.scrollBottom); | |
1439 | }; | |
8bc844c0 | 1440 | |
3f455f90 PK |
1441 | Terminal.prototype.scrollDisp = function(disp) { |
1442 | this.ydisp += disp; | |
8bc844c0 | 1443 | |
3f455f90 PK |
1444 | if (this.ydisp > this.ybase) { |
1445 | this.ydisp = this.ybase; | |
1446 | } else if (this.ydisp < 0) { | |
1447 | this.ydisp = 0; | |
1448 | } | |
8bc844c0 | 1449 | |
3f455f90 PK |
1450 | this.refresh(0, this.rows - 1); |
1451 | }; | |
8bc844c0 | 1452 | |
fd5be55d DI |
1453 | /** |
1454 | * Writes text to the terminal. | |
1455 | * | |
1456 | * @param {string} text The text to write to the terminal. | |
1457 | * | |
1458 | * @public | |
1459 | */ | |
3f455f90 PK |
1460 | Terminal.prototype.write = function(data) { |
1461 | var l = data.length, i = 0, j, cs, ch; | |
8bc844c0 | 1462 | |
3f455f90 PK |
1463 | this.refreshStart = this.y; |
1464 | this.refreshEnd = this.y; | |
8bc844c0 | 1465 | |
3f455f90 PK |
1466 | if (this.ybase !== this.ydisp) { |
1467 | this.ydisp = this.ybase; | |
1468 | this.maxRange(); | |
1469 | } | |
8bc844c0 | 1470 | |
3f455f90 PK |
1471 | for (; i < l; i++) { |
1472 | ch = data[i]; | |
1473 | switch (this.state) { | |
1474 | case normal: | |
1475 | switch (ch) { | |
1476 | case '\x07': | |
1477 | this.bell(); | |
1478 | break; | |
8bc844c0 | 1479 | |
3f455f90 PK |
1480 | // '\n', '\v', '\f' |
1481 | case '\n': | |
1482 | case '\x0b': | |
1483 | case '\x0c': | |
1484 | if (this.convertEol) { | |
1485 | this.x = 0; | |
1486 | } | |
1487 | this.y++; | |
1488 | if (this.y > this.scrollBottom) { | |
1489 | this.y--; | |
1490 | this.scroll(); | |
1491 | } | |
1492 | break; | |
8bc844c0 | 1493 | |
3f455f90 PK |
1494 | // '\r' |
1495 | case '\r': | |
1496 | this.x = 0; | |
1497 | break; | |
8bc844c0 | 1498 | |
3f455f90 PK |
1499 | // '\b' |
1500 | case '\x08': | |
1501 | if (this.x > 0) { | |
1502 | this.x--; | |
1503 | } | |
1504 | break; | |
1505 | ||
1506 | // '\t' | |
1507 | case '\t': | |
1508 | this.x = this.nextStop(); | |
1509 | break; | |
8bc844c0 | 1510 | |
3f455f90 PK |
1511 | // shift out |
1512 | case '\x0e': | |
1513 | this.setgLevel(1); | |
1514 | break; | |
1515 | ||
1516 | // shift in | |
1517 | case '\x0f': | |
1518 | this.setgLevel(0); | |
1519 | break; | |
1520 | ||
1521 | // '\e' | |
1522 | case '\x1b': | |
1523 | this.state = escaped; | |
1524 | break; | |
1525 | ||
1526 | default: | |
1527 | // ' ' | |
1528 | if (ch >= ' ') { | |
1529 | if (this.charset && this.charset[ch]) { | |
1530 | ch = this.charset[ch]; | |
1531 | } | |
1532 | ||
1533 | if (this.x >= this.cols) { | |
1534 | this.x = 0; | |
1535 | this.y++; | |
1536 | if (this.y > this.scrollBottom) { | |
1537 | this.y--; | |
1538 | this.scroll(); | |
1539 | } | |
1540 | } | |
1541 | ||
1542 | this.lines[this.y + this.ybase][this.x] = [this.curAttr, ch]; | |
1543 | this.x++; | |
1544 | this.updateRange(this.y); | |
1545 | ||
1546 | if (isWide(ch)) { | |
1547 | j = this.y + this.ybase; | |
1548 | if (this.cols < 2 || this.x >= this.cols) { | |
1549 | this.lines[j][this.x - 1] = [this.curAttr, ' ']; | |
1550 | break; | |
1551 | } | |
1552 | this.lines[j][this.x] = [this.curAttr, ' ']; | |
1553 | this.x++; | |
1554 | } | |
1555 | } | |
1556 | break; | |
a4607f90 | 1557 | } |
8bc844c0 | 1558 | break; |
3f455f90 PK |
1559 | case escaped: |
1560 | switch (ch) { | |
1561 | // ESC [ Control Sequence Introducer ( CSI is 0x9b). | |
1562 | case '[': | |
1563 | this.params = []; | |
1564 | this.currentParam = 0; | |
1565 | this.state = csi; | |
1566 | break; | |
8bc844c0 | 1567 | |
3f455f90 PK |
1568 | // ESC ] Operating System Command ( OSC is 0x9d). |
1569 | case ']': | |
1570 | this.params = []; | |
1571 | this.currentParam = 0; | |
1572 | this.state = osc; | |
1573 | break; | |
8bc844c0 | 1574 | |
3f455f90 PK |
1575 | // ESC P Device Control String ( DCS is 0x90). |
1576 | case 'P': | |
1577 | this.params = []; | |
1578 | this.currentParam = 0; | |
1579 | this.state = dcs; | |
1580 | break; | |
8bc844c0 | 1581 | |
3f455f90 PK |
1582 | // ESC _ Application Program Command ( APC is 0x9f). |
1583 | case '_': | |
1584 | this.state = ignore; | |
1585 | break; | |
8bc844c0 | 1586 | |
3f455f90 PK |
1587 | // ESC ^ Privacy Message ( PM is 0x9e). |
1588 | case '^': | |
1589 | this.state = ignore; | |
1590 | break; | |
8bc844c0 | 1591 | |
3f455f90 PK |
1592 | // ESC c Full Reset (RIS). |
1593 | case 'c': | |
1594 | this.reset(); | |
1595 | break; | |
8bc844c0 | 1596 | |
3f455f90 PK |
1597 | // ESC E Next Line ( NEL is 0x85). |
1598 | // ESC D Index ( IND is 0x84). | |
1599 | case 'E': | |
1600 | this.x = 0; | |
1601 | ; | |
1602 | case 'D': | |
1603 | this.index(); | |
1604 | break; | |
8bc844c0 | 1605 | |
3f455f90 PK |
1606 | // ESC M Reverse Index ( RI is 0x8d). |
1607 | case 'M': | |
1608 | this.reverseIndex(); | |
1609 | break; | |
8bc844c0 | 1610 | |
3f455f90 PK |
1611 | // ESC % Select default/utf-8 character set. |
1612 | // @ = default, G = utf-8 | |
1613 | case '%': | |
1614 | //this.charset = null; | |
1615 | this.setgLevel(0); | |
1616 | this.setgCharset(0, Terminal.charsets.US); | |
1617 | this.state = normal; | |
1618 | i++; | |
1619 | break; | |
8bc844c0 | 1620 | |
3f455f90 PK |
1621 | // ESC (,),*,+,-,. Designate G0-G2 Character Set. |
1622 | case '(': // <-- this seems to get all the attention | |
1623 | case ')': | |
1624 | case '*': | |
1625 | case '+': | |
1626 | case '-': | |
1627 | case '.': | |
1628 | switch (ch) { | |
1629 | case '(': | |
1630 | this.gcharset = 0; | |
1631 | break; | |
1632 | case ')': | |
1633 | this.gcharset = 1; | |
1634 | break; | |
1635 | case '*': | |
1636 | this.gcharset = 2; | |
1637 | break; | |
1638 | case '+': | |
1639 | this.gcharset = 3; | |
1640 | break; | |
1641 | case '-': | |
1642 | this.gcharset = 1; | |
1643 | break; | |
1644 | case '.': | |
1645 | this.gcharset = 2; | |
1646 | break; | |
1647 | } | |
1648 | this.state = charset; | |
1649 | break; | |
8bc844c0 | 1650 | |
3f455f90 PK |
1651 | // Designate G3 Character Set (VT300). |
1652 | // A = ISO Latin-1 Supplemental. | |
1653 | // Not implemented. | |
1654 | case '/': | |
1655 | this.gcharset = 3; | |
1656 | this.state = charset; | |
1657 | i--; | |
1658 | break; | |
8bc844c0 | 1659 | |
3f455f90 PK |
1660 | // ESC N |
1661 | // Single Shift Select of G2 Character Set | |
1662 | // ( SS2 is 0x8e). This affects next character only. | |
1663 | case 'N': | |
1664 | break; | |
1665 | // ESC O | |
1666 | // Single Shift Select of G3 Character Set | |
1667 | // ( SS3 is 0x8f). This affects next character only. | |
1668 | case 'O': | |
1669 | break; | |
1670 | // ESC n | |
1671 | // Invoke the G2 Character Set as GL (LS2). | |
1672 | case 'n': | |
1673 | this.setgLevel(2); | |
1674 | break; | |
1675 | // ESC o | |
1676 | // Invoke the G3 Character Set as GL (LS3). | |
1677 | case 'o': | |
1678 | this.setgLevel(3); | |
1679 | break; | |
1680 | // ESC | | |
1681 | // Invoke the G3 Character Set as GR (LS3R). | |
1682 | case '|': | |
1683 | this.setgLevel(3); | |
1684 | break; | |
1685 | // ESC } | |
1686 | // Invoke the G2 Character Set as GR (LS2R). | |
1687 | case '}': | |
1688 | this.setgLevel(2); | |
1689 | break; | |
1690 | // ESC ~ | |
1691 | // Invoke the G1 Character Set as GR (LS1R). | |
1692 | case '~': | |
1693 | this.setgLevel(1); | |
1694 | break; | |
8bc844c0 | 1695 | |
3f455f90 PK |
1696 | // ESC 7 Save Cursor (DECSC). |
1697 | case '7': | |
1698 | this.saveCursor(); | |
1699 | this.state = normal; | |
1700 | break; | |
8bc844c0 | 1701 | |
3f455f90 PK |
1702 | // ESC 8 Restore Cursor (DECRC). |
1703 | case '8': | |
1704 | this.restoreCursor(); | |
1705 | this.state = normal; | |
1706 | break; | |
8bc844c0 | 1707 | |
3f455f90 PK |
1708 | // ESC # 3 DEC line height/width |
1709 | case '#': | |
1710 | this.state = normal; | |
1711 | i++; | |
1712 | break; | |
8bc844c0 | 1713 | |
3f455f90 PK |
1714 | // ESC H Tab Set (HTS is 0x88). |
1715 | case 'H': | |
1716 | this.tabSet(); | |
1717 | break; | |
8bc844c0 | 1718 | |
3f455f90 PK |
1719 | // ESC = Application Keypad (DECPAM). |
1720 | case '=': | |
1721 | this.log('Serial port requested application keypad.'); | |
1722 | this.applicationKeypad = true; | |
1723 | this.state = normal; | |
1724 | break; | |
8bc844c0 | 1725 | |
3f455f90 PK |
1726 | // ESC > Normal Keypad (DECPNM). |
1727 | case '>': | |
1728 | this.log('Switching back to normal keypad.'); | |
1729 | this.applicationKeypad = false; | |
1730 | this.state = normal; | |
1731 | break; | |
8bc844c0 | 1732 | |
3f455f90 PK |
1733 | default: |
1734 | this.state = normal; | |
1735 | this.error('Unknown ESC control: %s.', ch); | |
1736 | break; | |
1737 | } | |
8bc844c0 CJ |
1738 | break; |
1739 | ||
3f455f90 PK |
1740 | case charset: |
1741 | switch (ch) { | |
1742 | case '0': // DEC Special Character and Line Drawing Set. | |
1743 | cs = Terminal.charsets.SCLD; | |
1744 | break; | |
1745 | case 'A': // UK | |
1746 | cs = Terminal.charsets.UK; | |
1747 | break; | |
1748 | case 'B': // United States (USASCII). | |
1749 | cs = Terminal.charsets.US; | |
1750 | break; | |
1751 | case '4': // Dutch | |
1752 | cs = Terminal.charsets.Dutch; | |
1753 | break; | |
1754 | case 'C': // Finnish | |
1755 | case '5': | |
1756 | cs = Terminal.charsets.Finnish; | |
1757 | break; | |
1758 | case 'R': // French | |
1759 | cs = Terminal.charsets.French; | |
1760 | break; | |
1761 | case 'Q': // FrenchCanadian | |
1762 | cs = Terminal.charsets.FrenchCanadian; | |
1763 | break; | |
1764 | case 'K': // German | |
1765 | cs = Terminal.charsets.German; | |
1766 | break; | |
1767 | case 'Y': // Italian | |
1768 | cs = Terminal.charsets.Italian; | |
1769 | break; | |
1770 | case 'E': // NorwegianDanish | |
1771 | case '6': | |
1772 | cs = Terminal.charsets.NorwegianDanish; | |
1773 | break; | |
1774 | case 'Z': // Spanish | |
1775 | cs = Terminal.charsets.Spanish; | |
1776 | break; | |
1777 | case 'H': // Swedish | |
1778 | case '7': | |
1779 | cs = Terminal.charsets.Swedish; | |
1780 | break; | |
1781 | case '=': // Swiss | |
1782 | cs = Terminal.charsets.Swiss; | |
1783 | break; | |
1784 | case '/': // ISOLatin (actually /A) | |
1785 | cs = Terminal.charsets.ISOLatin; | |
1786 | i++; | |
1787 | break; | |
1788 | default: // Default | |
1789 | cs = Terminal.charsets.US; | |
1790 | break; | |
1791 | } | |
1792 | this.setgCharset(this.gcharset, cs); | |
1793 | this.gcharset = null; | |
1794 | this.state = normal; | |
8bc844c0 CJ |
1795 | break; |
1796 | ||
3f455f90 PK |
1797 | case osc: |
1798 | // OSC Ps ; Pt ST | |
1799 | // OSC Ps ; Pt BEL | |
1800 | // Set Text Parameters. | |
1801 | if (ch === '\x1b' || ch === '\x07') { | |
1802 | if (ch === '\x1b') i++; | |
8bc844c0 | 1803 | |
3f455f90 | 1804 | this.params.push(this.currentParam); |
8bc844c0 | 1805 | |
3f455f90 PK |
1806 | switch (this.params[0]) { |
1807 | case 0: | |
1808 | case 1: | |
1809 | case 2: | |
1810 | if (this.params[1]) { | |
1811 | this.title = this.params[1]; | |
1812 | this.handleTitle(this.title); | |
1813 | } | |
1814 | break; | |
1815 | case 3: | |
1816 | // set X property | |
1817 | break; | |
1818 | case 4: | |
1819 | case 5: | |
1820 | // change dynamic colors | |
1821 | break; | |
1822 | case 10: | |
1823 | case 11: | |
1824 | case 12: | |
1825 | case 13: | |
1826 | case 14: | |
1827 | case 15: | |
1828 | case 16: | |
1829 | case 17: | |
1830 | case 18: | |
1831 | case 19: | |
1832 | // change dynamic ui colors | |
1833 | break; | |
1834 | case 46: | |
1835 | // change log file | |
1836 | break; | |
1837 | case 50: | |
1838 | // dynamic font | |
1839 | break; | |
1840 | case 51: | |
1841 | // emacs shell | |
1842 | break; | |
1843 | case 52: | |
1844 | // manipulate selection data | |
1845 | break; | |
1846 | case 104: | |
1847 | case 105: | |
1848 | case 110: | |
1849 | case 111: | |
1850 | case 112: | |
1851 | case 113: | |
1852 | case 114: | |
1853 | case 115: | |
1854 | case 116: | |
1855 | case 117: | |
1856 | case 118: | |
1857 | // reset colors | |
1858 | break; | |
1859 | } | |
8bc844c0 | 1860 | |
3f455f90 PK |
1861 | this.params = []; |
1862 | this.currentParam = 0; | |
1863 | this.state = normal; | |
1864 | } else { | |
1865 | if (!this.params.length) { | |
1866 | if (ch >= '0' && ch <= '9') { | |
1867 | this.currentParam = | |
1868 | this.currentParam * 10 + ch.charCodeAt(0) - 48; | |
1869 | } else if (ch === ';') { | |
1870 | this.params.push(this.currentParam); | |
1871 | this.currentParam = ''; | |
1872 | } | |
1873 | } else { | |
1874 | this.currentParam += ch; | |
1875 | } | |
1876 | } | |
8bc844c0 CJ |
1877 | break; |
1878 | ||
3f455f90 PK |
1879 | case csi: |
1880 | // '?', '>', '!' | |
1881 | if (ch === '?' || ch === '>' || ch === '!') { | |
1882 | this.prefix = ch; | |
1883 | break; | |
8bc844c0 | 1884 | } |
8bc844c0 | 1885 | |
3f455f90 PK |
1886 | // 0 - 9 |
1887 | if (ch >= '0' && ch <= '9') { | |
1888 | this.currentParam = this.currentParam * 10 + ch.charCodeAt(0) - 48; | |
1889 | break; | |
1890 | } | |
8bc844c0 | 1891 | |
3f455f90 PK |
1892 | // '$', '"', ' ', '\'' |
1893 | if (ch === '$' || ch === '"' || ch === ' ' || ch === '\'') { | |
1894 | this.postfix = ch; | |
1895 | break; | |
1896 | } | |
1897 | ||
1898 | this.params.push(this.currentParam); | |
1899 | this.currentParam = 0; | |
1900 | ||
1901 | // ';' | |
1902 | if (ch === ';') break; | |
1903 | ||
1904 | this.state = normal; | |
1905 | ||
1906 | switch (ch) { | |
1907 | // CSI Ps A | |
1908 | // Cursor Up Ps Times (default = 1) (CUU). | |
1909 | case 'A': | |
1910 | this.cursorUp(this.params); | |
1911 | break; | |
1912 | ||
1913 | // CSI Ps B | |
1914 | // Cursor Down Ps Times (default = 1) (CUD). | |
1915 | case 'B': | |
1916 | this.cursorDown(this.params); | |
1917 | break; | |
1918 | ||
1919 | // CSI Ps C | |
1920 | // Cursor Forward Ps Times (default = 1) (CUF). | |
1921 | case 'C': | |
1922 | this.cursorForward(this.params); | |
1923 | break; | |
1924 | ||
1925 | // CSI Ps D | |
1926 | // Cursor Backward Ps Times (default = 1) (CUB). | |
1927 | case 'D': | |
1928 | this.cursorBackward(this.params); | |
1929 | break; | |
1930 | ||
1931 | // CSI Ps ; Ps H | |
1932 | // Cursor Position [row;column] (default = [1,1]) (CUP). | |
1933 | case 'H': | |
1934 | this.cursorPos(this.params); | |
1935 | break; | |
1936 | ||
1937 | // CSI Ps J Erase in Display (ED). | |
1938 | case 'J': | |
1939 | this.eraseInDisplay(this.params); | |
1940 | break; | |
1941 | ||
1942 | // CSI Ps K Erase in Line (EL). | |
1943 | case 'K': | |
1944 | this.eraseInLine(this.params); | |
1945 | break; | |
1946 | ||
1947 | // CSI Pm m Character Attributes (SGR). | |
1948 | case 'm': | |
1949 | if (!this.prefix) { | |
1950 | this.charAttributes(this.params); | |
1951 | } | |
1952 | break; | |
1953 | ||
1954 | // CSI Ps n Device Status Report (DSR). | |
1955 | case 'n': | |
1956 | if (!this.prefix) { | |
1957 | this.deviceStatus(this.params); | |
1958 | } | |
1959 | break; | |
1960 | ||
1961 | /** | |
1962 | * Additions | |
1963 | */ | |
1964 | ||
1965 | // CSI Ps @ | |
1966 | // Insert Ps (Blank) Character(s) (default = 1) (ICH). | |
1967 | case '@': | |
1968 | this.insertChars(this.params); | |
1969 | break; | |
1970 | ||
1971 | // CSI Ps E | |
1972 | // Cursor Next Line Ps Times (default = 1) (CNL). | |
1973 | case 'E': | |
1974 | this.cursorNextLine(this.params); | |
1975 | break; | |
1976 | ||
1977 | // CSI Ps F | |
1978 | // Cursor Preceding Line Ps Times (default = 1) (CNL). | |
1979 | case 'F': | |
1980 | this.cursorPrecedingLine(this.params); | |
1981 | break; | |
1982 | ||
1983 | // CSI Ps G | |
1984 | // Cursor Character Absolute [column] (default = [row,1]) (CHA). | |
1985 | case 'G': | |
1986 | this.cursorCharAbsolute(this.params); | |
1987 | break; | |
1988 | ||
1989 | // CSI Ps L | |
1990 | // Insert Ps Line(s) (default = 1) (IL). | |
1991 | case 'L': | |
1992 | this.insertLines(this.params); | |
1993 | break; | |
1994 | ||
1995 | // CSI Ps M | |
1996 | // Delete Ps Line(s) (default = 1) (DL). | |
1997 | case 'M': | |
1998 | this.deleteLines(this.params); | |
1999 | break; | |
2000 | ||
2001 | // CSI Ps P | |
2002 | // Delete Ps Character(s) (default = 1) (DCH). | |
2003 | case 'P': | |
2004 | this.deleteChars(this.params); | |
2005 | break; | |
2006 | ||
2007 | // CSI Ps X | |
2008 | // Erase Ps Character(s) (default = 1) (ECH). | |
2009 | case 'X': | |
2010 | this.eraseChars(this.params); | |
2011 | break; | |
2012 | ||
2013 | // CSI Pm ` Character Position Absolute | |
2014 | // [column] (default = [row,1]) (HPA). | |
2015 | case '`': | |
2016 | this.charPosAbsolute(this.params); | |
2017 | break; | |
2018 | ||
2019 | // 141 61 a * HPR - | |
2020 | // Horizontal Position Relative | |
2021 | case 'a': | |
2022 | this.HPositionRelative(this.params); | |
2023 | break; | |
2024 | ||
2025 | // CSI P s c | |
2026 | // Send Device Attributes (Primary DA). | |
2027 | // CSI > P s c | |
2028 | // Send Device Attributes (Secondary DA) | |
2029 | case 'c': | |
2030 | this.sendDeviceAttributes(this.params); | |
2031 | break; | |
2032 | ||
2033 | // CSI Pm d | |
2034 | // Line Position Absolute [row] (default = [1,column]) (VPA). | |
2035 | case 'd': | |
2036 | this.linePosAbsolute(this.params); | |
2037 | break; | |
2038 | ||
2039 | // 145 65 e * VPR - Vertical Position Relative | |
2040 | case 'e': | |
2041 | this.VPositionRelative(this.params); | |
2042 | break; | |
2043 | ||
2044 | // CSI Ps ; Ps f | |
2045 | // Horizontal and Vertical Position [row;column] (default = | |
2046 | // [1,1]) (HVP). | |
2047 | case 'f': | |
2048 | this.HVPosition(this.params); | |
2049 | break; | |
2050 | ||
2051 | // CSI Pm h Set Mode (SM). | |
2052 | // CSI ? Pm h - mouse escape codes, cursor escape codes | |
2053 | case 'h': | |
2054 | this.setMode(this.params); | |
2055 | break; | |
2056 | ||
2057 | // CSI Pm l Reset Mode (RM). | |
2058 | // CSI ? Pm l | |
2059 | case 'l': | |
2060 | this.resetMode(this.params); | |
2061 | break; | |
2062 | ||
2063 | // CSI Ps ; Ps r | |
2064 | // Set Scrolling Region [top;bottom] (default = full size of win- | |
2065 | // dow) (DECSTBM). | |
2066 | // CSI ? Pm r | |
2067 | case 'r': | |
2068 | this.setScrollRegion(this.params); | |
2069 | break; | |
2070 | ||
2071 | // CSI s | |
2072 | // Save cursor (ANSI.SYS). | |
2073 | case 's': | |
2074 | this.saveCursor(this.params); | |
2075 | break; | |
2076 | ||
2077 | // CSI u | |
2078 | // Restore cursor (ANSI.SYS). | |
2079 | case 'u': | |
2080 | this.restoreCursor(this.params); | |
2081 | break; | |
2082 | ||
2083 | /** | |
2084 | * Lesser Used | |
2085 | */ | |
2086 | ||
2087 | // CSI Ps I | |
2088 | // Cursor Forward Tabulation Ps tab stops (default = 1) (CHT). | |
2089 | case 'I': | |
2090 | this.cursorForwardTab(this.params); | |
2091 | break; | |
2092 | ||
2093 | // CSI Ps S Scroll up Ps lines (default = 1) (SU). | |
2094 | case 'S': | |
2095 | this.scrollUp(this.params); | |
2096 | break; | |
2097 | ||
2098 | // CSI Ps T Scroll down Ps lines (default = 1) (SD). | |
2099 | // CSI Ps ; Ps ; Ps ; Ps ; Ps T | |
2100 | // CSI > Ps; Ps T | |
2101 | case 'T': | |
2102 | // if (this.prefix === '>') { | |
2103 | // this.resetTitleModes(this.params); | |
2104 | // break; | |
2105 | // } | |
2106 | // if (this.params.length > 2) { | |
2107 | // this.initMouseTracking(this.params); | |
2108 | // break; | |
2109 | // } | |
2110 | if (this.params.length < 2 && !this.prefix) { | |
2111 | this.scrollDown(this.params); | |
2112 | } | |
2113 | break; | |
2114 | ||
2115 | // CSI Ps Z | |
2116 | // Cursor Backward Tabulation Ps tab stops (default = 1) (CBT). | |
2117 | case 'Z': | |
2118 | this.cursorBackwardTab(this.params); | |
2119 | break; | |
2120 | ||
2121 | // CSI Ps b Repeat the preceding graphic character Ps times (REP). | |
2122 | case 'b': | |
2123 | this.repeatPrecedingCharacter(this.params); | |
2124 | break; | |
2125 | ||
2126 | // CSI Ps g Tab Clear (TBC). | |
2127 | case 'g': | |
2128 | this.tabClear(this.params); | |
2129 | break; | |
2130 | ||
2131 | // CSI Pm i Media Copy (MC). | |
2132 | // CSI ? Pm i | |
2133 | // case 'i': | |
2134 | // this.mediaCopy(this.params); | |
2135 | // break; | |
2136 | ||
2137 | // CSI Pm m Character Attributes (SGR). | |
2138 | // CSI > Ps; Ps m | |
2139 | // case 'm': // duplicate | |
2140 | // if (this.prefix === '>') { | |
2141 | // this.setResources(this.params); | |
2142 | // } else { | |
2143 | // this.charAttributes(this.params); | |
2144 | // } | |
2145 | // break; | |
2146 | ||
2147 | // CSI Ps n Device Status Report (DSR). | |
2148 | // CSI > Ps n | |
2149 | // case 'n': // duplicate | |
2150 | // if (this.prefix === '>') { | |
2151 | // this.disableModifiers(this.params); | |
2152 | // } else { | |
2153 | // this.deviceStatus(this.params); | |
2154 | // } | |
2155 | // break; | |
2156 | ||
2157 | // CSI > Ps p Set pointer mode. | |
2158 | // CSI ! p Soft terminal reset (DECSTR). | |
2159 | // CSI Ps$ p | |
2160 | // Request ANSI mode (DECRQM). | |
2161 | // CSI ? Ps$ p | |
2162 | // Request DEC private mode (DECRQM). | |
2163 | // CSI Ps ; Ps " p | |
2164 | case 'p': | |
2165 | switch (this.prefix) { | |
2166 | // case '>': | |
2167 | // this.setPointerMode(this.params); | |
2168 | // break; | |
2169 | case '!': | |
2170 | this.softReset(this.params); | |
2171 | break; | |
2172 | // case '?': | |
2173 | // if (this.postfix === '$') { | |
2174 | // this.requestPrivateMode(this.params); | |
2175 | // } | |
2176 | // break; | |
2177 | // default: | |
2178 | // if (this.postfix === '"') { | |
2179 | // this.setConformanceLevel(this.params); | |
2180 | // } else if (this.postfix === '$') { | |
2181 | // this.requestAnsiMode(this.params); | |
2182 | // } | |
2183 | // break; | |
2184 | } | |
2185 | break; | |
2186 | ||
2187 | // CSI Ps q Load LEDs (DECLL). | |
2188 | // CSI Ps SP q | |
2189 | // CSI Ps " q | |
2190 | // case 'q': | |
2191 | // if (this.postfix === ' ') { | |
2192 | // this.setCursorStyle(this.params); | |
2193 | // break; | |
2194 | // } | |
2195 | // if (this.postfix === '"') { | |
2196 | // this.setCharProtectionAttr(this.params); | |
2197 | // break; | |
2198 | // } | |
2199 | // this.loadLEDs(this.params); | |
2200 | // break; | |
2201 | ||
2202 | // CSI Ps ; Ps r | |
2203 | // Set Scrolling Region [top;bottom] (default = full size of win- | |
2204 | // dow) (DECSTBM). | |
2205 | // CSI ? Pm r | |
2206 | // CSI Pt; Pl; Pb; Pr; Ps$ r | |
2207 | // case 'r': // duplicate | |
2208 | // if (this.prefix === '?') { | |
2209 | // this.restorePrivateValues(this.params); | |
2210 | // } else if (this.postfix === '$') { | |
2211 | // this.setAttrInRectangle(this.params); | |
2212 | // } else { | |
2213 | // this.setScrollRegion(this.params); | |
2214 | // } | |
2215 | // break; | |
2216 | ||
2217 | // CSI s Save cursor (ANSI.SYS). | |
2218 | // CSI ? Pm s | |
2219 | // case 's': // duplicate | |
2220 | // if (this.prefix === '?') { | |
2221 | // this.savePrivateValues(this.params); | |
2222 | // } else { | |
2223 | // this.saveCursor(this.params); | |
2224 | // } | |
2225 | // break; | |
2226 | ||
2227 | // CSI Ps ; Ps ; Ps t | |
2228 | // CSI Pt; Pl; Pb; Pr; Ps$ t | |
2229 | // CSI > Ps; Ps t | |
2230 | // CSI Ps SP t | |
2231 | // case 't': | |
2232 | // if (this.postfix === '$') { | |
2233 | // this.reverseAttrInRectangle(this.params); | |
2234 | // } else if (this.postfix === ' ') { | |
2235 | // this.setWarningBellVolume(this.params); | |
2236 | // } else { | |
2237 | // if (this.prefix === '>') { | |
2238 | // this.setTitleModeFeature(this.params); | |
2239 | // } else { | |
2240 | // this.manipulateWindow(this.params); | |
2241 | // } | |
2242 | // } | |
2243 | // break; | |
2244 | ||
2245 | // CSI u Restore cursor (ANSI.SYS). | |
2246 | // CSI Ps SP u | |
2247 | // case 'u': // duplicate | |
2248 | // if (this.postfix === ' ') { | |
2249 | // this.setMarginBellVolume(this.params); | |
2250 | // } else { | |
2251 | // this.restoreCursor(this.params); | |
2252 | // } | |
2253 | // break; | |
2254 | ||
2255 | // CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v | |
2256 | // case 'v': | |
2257 | // if (this.postfix === '$') { | |
2258 | // this.copyRectagle(this.params); | |
2259 | // } | |
2260 | // break; | |
2261 | ||
2262 | // CSI Pt ; Pl ; Pb ; Pr ' w | |
2263 | // case 'w': | |
2264 | // if (this.postfix === '\'') { | |
2265 | // this.enableFilterRectangle(this.params); | |
2266 | // } | |
2267 | // break; | |
2268 | ||
2269 | // CSI Ps x Request Terminal Parameters (DECREQTPARM). | |
2270 | // CSI Ps x Select Attribute Change Extent (DECSACE). | |
2271 | // CSI Pc; Pt; Pl; Pb; Pr$ x | |
2272 | // case 'x': | |
2273 | // if (this.postfix === '$') { | |
2274 | // this.fillRectangle(this.params); | |
2275 | // } else { | |
2276 | // this.requestParameters(this.params); | |
2277 | // //this.__(this.params); | |
2278 | // } | |
2279 | // break; | |
2280 | ||
2281 | // CSI Ps ; Pu ' z | |
2282 | // CSI Pt; Pl; Pb; Pr$ z | |
2283 | // case 'z': | |
2284 | // if (this.postfix === '\'') { | |
2285 | // this.enableLocatorReporting(this.params); | |
2286 | // } else if (this.postfix === '$') { | |
2287 | // this.eraseRectangle(this.params); | |
2288 | // } | |
2289 | // break; | |
2290 | ||
2291 | // CSI Pm ' { | |
2292 | // CSI Pt; Pl; Pb; Pr$ { | |
2293 | // case '{': | |
2294 | // if (this.postfix === '\'') { | |
2295 | // this.setLocatorEvents(this.params); | |
2296 | // } else if (this.postfix === '$') { | |
2297 | // this.selectiveEraseRectangle(this.params); | |
2298 | // } | |
2299 | // break; | |
2300 | ||
2301 | // CSI Ps ' | | |
2302 | // case '|': | |
2303 | // if (this.postfix === '\'') { | |
2304 | // this.requestLocatorPosition(this.params); | |
2305 | // } | |
2306 | // break; | |
2307 | ||
2308 | // CSI P m SP } | |
2309 | // Insert P s Column(s) (default = 1) (DECIC), VT420 and up. | |
2310 | // case '}': | |
2311 | // if (this.postfix === ' ') { | |
2312 | // this.insertColumns(this.params); | |
2313 | // } | |
2314 | // break; | |
2315 | ||
2316 | // CSI P m SP ~ | |
2317 | // Delete P s Column(s) (default = 1) (DECDC), VT420 and up | |
2318 | // case '~': | |
2319 | // if (this.postfix === ' ') { | |
2320 | // this.deleteColumns(this.params); | |
2321 | // } | |
2322 | // break; | |
2323 | ||
2324 | default: | |
2325 | this.error('Unknown CSI code: %s.', ch); | |
2326 | break; | |
2327 | } | |
2328 | ||
2329 | this.prefix = ''; | |
2330 | this.postfix = ''; | |
2331 | break; | |
2332 | ||
2333 | case dcs: | |
2334 | if (ch === '\x1b' || ch === '\x07') { | |
2335 | if (ch === '\x1b') i++; | |
2336 | ||
2337 | switch (this.prefix) { | |
2338 | // User-Defined Keys (DECUDK). | |
2339 | case '': | |
2340 | break; | |
2341 | ||
2342 | // Request Status String (DECRQSS). | |
2343 | // test: echo -e '\eP$q"p\e\\' | |
2344 | case '$q': | |
2345 | var pt = this.currentParam | |
2346 | , valid = false; | |
2347 | ||
2348 | switch (pt) { | |
2349 | // DECSCA | |
2350 | case '"q': | |
2351 | pt = '0"q'; | |
2352 | break; | |
2353 | ||
2354 | // DECSCL | |
2355 | case '"p': | |
2356 | pt = '61"p'; | |
2357 | break; | |
2358 | ||
2359 | // DECSTBM | |
2360 | case 'r': | |
2361 | pt = '' | |
2362 | + (this.scrollTop + 1) | |
2363 | + ';' | |
2364 | + (this.scrollBottom + 1) | |
2365 | + 'r'; | |
2366 | break; | |
2367 | ||
2368 | // SGR | |
2369 | case 'm': | |
2370 | pt = '0m'; | |
2371 | break; | |
2372 | ||
2373 | default: | |
2374 | this.error('Unknown DCS Pt: %s.', pt); | |
2375 | pt = ''; | |
2376 | break; | |
2377 | } | |
2378 | ||
2379 | this.send('\x1bP' + +valid + '$r' + pt + '\x1b\\'); | |
2380 | break; | |
2381 | ||
2382 | // Set Termcap/Terminfo Data (xterm, experimental). | |
2383 | case '+p': | |
2384 | break; | |
2385 | ||
2386 | // Request Termcap/Terminfo String (xterm, experimental) | |
2387 | // Regular xterm does not even respond to this sequence. | |
2388 | // This can cause a small glitch in vim. | |
2389 | // test: echo -ne '\eP+q6b64\e\\' | |
2390 | case '+q': | |
2391 | var pt = this.currentParam | |
2392 | , valid = false; | |
2393 | ||
2394 | this.send('\x1bP' + +valid + '+r' + pt + '\x1b\\'); | |
2395 | break; | |
2396 | ||
2397 | default: | |
2398 | this.error('Unknown DCS prefix: %s.', this.prefix); | |
2399 | break; | |
2400 | } | |
2401 | ||
2402 | this.currentParam = 0; | |
2403 | this.prefix = ''; | |
2404 | this.state = normal; | |
2405 | } else if (!this.currentParam) { | |
2406 | if (!this.prefix && ch !== '$' && ch !== '+') { | |
2407 | this.currentParam = ch; | |
2408 | } else if (this.prefix.length === 2) { | |
2409 | this.currentParam = ch; | |
2410 | } else { | |
2411 | this.prefix += ch; | |
2412 | } | |
2413 | } else { | |
2414 | this.currentParam += ch; | |
2415 | } | |
2416 | break; | |
2417 | ||
2418 | case ignore: | |
2419 | // For PM and APC. | |
2420 | if (ch === '\x1b' || ch === '\x07') { | |
2421 | if (ch === '\x1b') i++; | |
2422 | this.state = normal; | |
2423 | } | |
2424 | break; | |
2425 | } | |
2426 | } | |
2427 | ||
2428 | this.updateRange(this.y); | |
2429 | this.refresh(this.refreshStart, this.refreshEnd); | |
2430 | }; | |
2431 | ||
2432 | Terminal.prototype.writeln = function(data) { | |
2433 | this.write(data + '\r\n'); | |
2434 | }; | |
2435 | ||
2436 | // Key Resources: | |
2437 | // https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent | |
2438 | Terminal.prototype.keyDown = function(ev) { | |
3a866cf2 DI |
2439 | var self = this; |
2440 | var result = this.evaluateKeyEscapeSequence(ev); | |
2441 | ||
2442 | if (result.scrollDisp) { | |
2443 | this.scrollDisp(result.scrollDisp); | |
2444 | return this.cancel(ev); | |
2445 | } | |
2446 | ||
b01165c1 | 2447 | if (isThirdLevelShift(this, ev)) { |
2448 | return true; | |
2449 | } | |
2450 | ||
2451 | if (result.cancel ) { | |
3a866cf2 DI |
2452 | // The event is canceled at the end already, is this necessary? |
2453 | this.cancel(ev, true); | |
2454 | } | |
2455 | ||
b01165c1 | 2456 | if (!result.key) { |
3a866cf2 DI |
2457 | return true; |
2458 | } | |
2459 | ||
2460 | this.emit('keydown', ev); | |
2461 | this.emit('key', result.key, ev); | |
2462 | this.showCursor(); | |
2463 | this.handler(result.key); | |
2464 | ||
2465 | return this.cancel(ev, true); | |
2466 | }; | |
3f455f90 | 2467 | |
0535f942 DI |
2468 | /** |
2469 | * Returns an object that determines how a KeyboardEvent should be handled. The key of the | |
2470 | * returned value is the new key code to pass to the PTY. | |
2471 | * | |
2472 | * Reference: http://invisible-island.net/xterm/ctlseqs/ctlseqs.html | |
2473 | */ | |
3a866cf2 DI |
2474 | Terminal.prototype.evaluateKeyEscapeSequence = function(ev) { |
2475 | var result = { | |
2476 | // Whether to cancel event propogation (NOTE: this may not be needed since the event is | |
2477 | // canceled at the end of keyDown | |
2478 | cancel: false, | |
2479 | // The new key even to emit | |
2480 | key: undefined, | |
2481 | // The number of characters to scroll, if this is defined it will cancel the event | |
2482 | scrollDisp: undefined | |
2483 | }; | |
3f455f90 PK |
2484 | switch (ev.keyCode) { |
2485 | // backspace | |
2486 | case 8: | |
2487 | if (ev.shiftKey) { | |
3a866cf2 | 2488 | result.key = '\x08'; // ^H |
3f455f90 PK |
2489 | break; |
2490 | } | |
3a866cf2 | 2491 | result.key = '\x7f'; // ^? |
3f455f90 PK |
2492 | break; |
2493 | // tab | |
2494 | case 9: | |
2495 | if (ev.shiftKey) { | |
3a866cf2 | 2496 | result.key = '\x1b[Z'; |
3f455f90 PK |
2497 | break; |
2498 | } | |
3a866cf2 DI |
2499 | result.key = '\t'; |
2500 | result.cancel = true; | |
3f455f90 PK |
2501 | break; |
2502 | // return/enter | |
2503 | case 13: | |
3a866cf2 DI |
2504 | result.key = '\r'; |
2505 | result.cancel = true; | |
3f455f90 PK |
2506 | break; |
2507 | // escape | |
2508 | case 27: | |
3a866cf2 DI |
2509 | result.key = '\x1b'; |
2510 | result.cancel = true; | |
3f455f90 PK |
2511 | break; |
2512 | // left-arrow | |
2513 | case 37: | |
72ed03ad | 2514 | if (ev.altKey) { |
3a866cf2 DI |
2515 | result.key = '\x1bb' // Jump a word back |
2516 | result.cancel = true; | |
72ed03ad | 2517 | break; |
e2aaa8d3 DI |
2518 | } |
2519 | if (ev.ctrlKey) { | |
3a866cf2 | 2520 | result.key = '\x1b[5D'; // Jump a word back |
e2aaa8d3 DI |
2521 | break; |
2522 | } | |
2523 | if (this.applicationCursor) { | |
3a866cf2 | 2524 | result.key = '\x1bOD'; // SS3 as ^[O for 7-bit |
3f455f90 PK |
2525 | break; |
2526 | } | |
3a866cf2 | 2527 | result.key = '\x1b[D'; |
3f455f90 PK |
2528 | break; |
2529 | // right-arrow | |
2530 | case 39: | |
72ed03ad | 2531 | if (ev.altKey) { |
3a866cf2 DI |
2532 | result.key = '\x1bf' // Jump a word forward |
2533 | result.cancel = true; | |
72ed03ad | 2534 | break; |
e2aaa8d3 DI |
2535 | } |
2536 | if (ev.ctrlKey) { | |
3a866cf2 | 2537 | result.key = '\x1b[5C'; // Jump a word forward |
e2aaa8d3 DI |
2538 | break; |
2539 | } | |
2540 | if (this.applicationCursor) { | |
3a866cf2 | 2541 | result.key = '\x1bOC'; |
3f455f90 PK |
2542 | break; |
2543 | } | |
3a866cf2 | 2544 | result.key = '\x1b[C'; |
3f455f90 PK |
2545 | break; |
2546 | // up-arrow | |
2547 | case 38: | |
2548 | if (this.applicationCursor) { | |
3a866cf2 | 2549 | result.key = '\x1bOA'; |
3f455f90 PK |
2550 | break; |
2551 | } | |
2552 | if (ev.ctrlKey) { | |
3a866cf2 | 2553 | result.scrollDisp = -1; |
3f455f90 | 2554 | } else { |
3a866cf2 | 2555 | result.key = '\x1b[A'; |
3f455f90 PK |
2556 | } |
2557 | break; | |
2558 | // down-arrow | |
2559 | case 40: | |
2560 | if (this.applicationCursor) { | |
3a866cf2 | 2561 | result.key = '\x1bOB'; |
3f455f90 PK |
2562 | break; |
2563 | } | |
2564 | if (ev.ctrlKey) { | |
3a866cf2 | 2565 | result.scrollDisp = 1; |
3f455f90 | 2566 | } else { |
3a866cf2 | 2567 | result.key = '\x1b[B'; |
3f455f90 PK |
2568 | } |
2569 | break; | |
3f455f90 PK |
2570 | // insert |
2571 | case 45: | |
524db022 | 2572 | if (!ev.shiftKey && !ev.ctrlKey) { |
2573 | // <Ctrl> or <Shift> + <Insert> are used to | |
2574 | // copy-paste on some systems. | |
740ae96f | 2575 | result.key = '\x1b[2~'; |
524db022 | 2576 | } |
3f455f90 | 2577 | break; |
0535f942 DI |
2578 | // delete |
2579 | case 46: result.key = '\x1b[3~'; break; | |
3f455f90 PK |
2580 | // home |
2581 | case 36: | |
2582 | if (this.applicationKeypad) { | |
3a866cf2 | 2583 | result.key = '\x1bOH'; |
3f455f90 PK |
2584 | break; |
2585 | } | |
3a866cf2 | 2586 | result.key = '\x1bOH'; |
3f455f90 PK |
2587 | break; |
2588 | // end | |
2589 | case 35: | |
2590 | if (this.applicationKeypad) { | |
3a866cf2 | 2591 | result.key = '\x1bOF'; |
3f455f90 PK |
2592 | break; |
2593 | } | |
3a866cf2 | 2594 | result.key = '\x1bOF'; |
3f455f90 PK |
2595 | break; |
2596 | // page up | |
2597 | case 33: | |
2598 | if (ev.shiftKey) { | |
3a866cf2 | 2599 | result.scrollDisp = -(this.rows - 1); |
3f455f90 | 2600 | } else { |
3a866cf2 | 2601 | result.key = '\x1b[5~'; |
3f455f90 PK |
2602 | } |
2603 | break; | |
2604 | // page down | |
2605 | case 34: | |
2606 | if (ev.shiftKey) { | |
3a866cf2 | 2607 | result.scrollDisp = this.rows - 1; |
3f455f90 | 2608 | } else { |
3a866cf2 | 2609 | result.key = '\x1b[6~'; |
3f455f90 PK |
2610 | } |
2611 | break; | |
3a866cf2 DI |
2612 | // F1-F12 |
2613 | case 112: result.key = '\x1bOP'; break; | |
2614 | case 113: result.key = '\x1bOQ'; break; | |
2615 | case 114: result.key = '\x1bOR'; break; | |
2616 | case 115: result.key = '\x1bOS'; break; | |
2617 | case 116: result.key = '\x1b[15~'; break; | |
2618 | case 117: result.key = '\x1b[17~'; break; | |
2619 | case 118: result.key = '\x1b[18~'; break; | |
2620 | case 119: result.key = '\x1b[19~'; break; | |
2621 | case 120: result.key = '\x1b[20~'; break; | |
2622 | case 121: result.key = '\x1b[21~'; break; | |
2623 | case 122: result.key = '\x1b[23~'; break; | |
2624 | case 123: result.key = '\x1b[24~'; break; | |
3f455f90 PK |
2625 | default: |
2626 | // a-z and space | |
369e1f4c | 2627 | if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) { |
3f455f90 | 2628 | if (ev.keyCode >= 65 && ev.keyCode <= 90) { |
3a866cf2 | 2629 | result.key = String.fromCharCode(ev.keyCode - 64); |
3f455f90 PK |
2630 | } else if (ev.keyCode === 32) { |
2631 | // NUL | |
3a866cf2 | 2632 | result.key = String.fromCharCode(0); |
3f455f90 PK |
2633 | } else if (ev.keyCode >= 51 && ev.keyCode <= 55) { |
2634 | // escape, file sep, group sep, record sep, unit sep | |
3a866cf2 | 2635 | result.key = String.fromCharCode(ev.keyCode - 51 + 27); |
3f455f90 PK |
2636 | } else if (ev.keyCode === 56) { |
2637 | // delete | |
3a866cf2 | 2638 | result.key = String.fromCharCode(127); |
3f455f90 PK |
2639 | } else if (ev.keyCode === 219) { |
2640 | // ^[ - escape | |
3a866cf2 | 2641 | result.key = String.fromCharCode(27); |
3f455f90 PK |
2642 | } else if (ev.keyCode === 221) { |
2643 | // ^] - group sep | |
3a866cf2 | 2644 | result.key = String.fromCharCode(29); |
3f455f90 | 2645 | } |
b01165c1 | 2646 | } else if (!this.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) { |
2647 | // On Mac this is a third level shift. Use <Esc> instead. | |
3f455f90 | 2648 | if (ev.keyCode >= 65 && ev.keyCode <= 90) { |
3a866cf2 | 2649 | result.key = '\x1b' + String.fromCharCode(ev.keyCode + 32); |
3f455f90 | 2650 | } else if (ev.keyCode === 192) { |
3a866cf2 | 2651 | result.key = '\x1b`'; |
3f455f90 | 2652 | } else if (ev.keyCode >= 48 && ev.keyCode <= 57) { |
3a866cf2 | 2653 | result.key = '\x1b' + (ev.keyCode - 48); |
3f455f90 PK |
2654 | } |
2655 | } | |
2656 | break; | |
2657 | } | |
3a866cf2 | 2658 | return result; |
3f455f90 PK |
2659 | }; |
2660 | ||
2661 | Terminal.prototype.setgLevel = function(g) { | |
2662 | this.glevel = g; | |
2663 | this.charset = this.charsets[g]; | |
2664 | }; | |
2665 | ||
2666 | Terminal.prototype.setgCharset = function(g, charset) { | |
2667 | this.charsets[g] = charset; | |
2668 | if (this.glevel === g) { | |
2669 | this.charset = charset; | |
2670 | } | |
2671 | }; | |
2672 | ||
2673 | Terminal.prototype.keyPress = function(ev) { | |
2674 | var key; | |
2675 | ||
3f455f90 PK |
2676 | if (ev.charCode) { |
2677 | key = ev.charCode; | |
2678 | } else if (ev.which == null) { | |
2679 | key = ev.keyCode; | |
2680 | } else if (ev.which !== 0 && ev.charCode !== 0) { | |
2681 | key = ev.which; | |
2682 | } else { | |
2683 | return false; | |
2684 | } | |
2685 | ||
b01165c1 | 2686 | if (!key || ( |
2687 | (ev.altKey || ev.ctrlKey || ev.metaKey) && !isThirdLevelShift(this, ev) | |
2688 | )) { | |
3f455f90 PK |
2689 | return false; |
2690 | } | |
2691 | ||
2692 | key = String.fromCharCode(key); | |
2693 | ||
f3bd6145 PK |
2694 | /** |
2695 | * When a key is pressed and a character is sent to the terminal, then clear any text | |
2696 | * selected in the terminal. | |
2697 | */ | |
2698 | if (key) { | |
64721687 | 2699 | this.clearSelection(); |
f3bd6145 PK |
2700 | } |
2701 | ||
3f455f90 PK |
2702 | this.emit('keypress', key, ev); |
2703 | this.emit('key', key, ev); | |
2704 | this.showCursor(); | |
2705 | this.handler(key); | |
2706 | ||
58056df2 PK |
2707 | this.cancel(ev, true); |
2708 | ||
3f455f90 PK |
2709 | return false; |
2710 | }; | |
2711 | ||
2712 | Terminal.prototype.send = function(data) { | |
2713 | var self = this; | |
2714 | ||
2715 | if (!this.queue) { | |
2716 | setTimeout(function() { | |
2717 | self.handler(self.queue); | |
2718 | self.queue = ''; | |
2719 | }, 1); | |
2720 | } | |
2721 | ||
2722 | this.queue += data; | |
2723 | }; | |
2724 | ||
2725 | Terminal.prototype.bell = function() { | |
2726 | if (!this.visualBell) return; | |
2727 | var self = this; | |
2728 | this.element.style.borderColor = 'white'; | |
2729 | setTimeout(function() { | |
2730 | self.element.style.borderColor = ''; | |
2731 | }, 10); | |
2732 | if (this.popOnBell) this.focus(); | |
2733 | }; | |
2734 | ||
2735 | Terminal.prototype.log = function() { | |
2736 | if (!this.debug) return; | |
2737 | if (!this.context.console || !this.context.console.log) return; | |
2738 | var args = Array.prototype.slice.call(arguments); | |
2739 | this.context.console.log.apply(this.context.console, args); | |
2740 | }; | |
2741 | ||
2742 | Terminal.prototype.error = function() { | |
2743 | if (!this.debug) return; | |
2744 | if (!this.context.console || !this.context.console.error) return; | |
2745 | var args = Array.prototype.slice.call(arguments); | |
2746 | this.context.console.error.apply(this.context.console, args); | |
2747 | }; | |
2748 | ||
fd5be55d DI |
2749 | /** |
2750 | * Resizes the terminal. | |
2751 | * | |
2752 | * @param {number} x The number of columns to resize to. | |
2753 | * @param {number} y The number of rows to resize to. | |
2754 | * | |
2755 | * @public | |
2756 | */ | |
3f455f90 PK |
2757 | Terminal.prototype.resize = function(x, y) { |
2758 | var line | |
2759 | , el | |
2760 | , i | |
2761 | , j | |
eee99f62 DI |
2762 | , ch |
2763 | , addToY; | |
3f455f90 | 2764 | |
e721bdc9 DI |
2765 | if (x === this.cols && y === this.rows) { |
2766 | return; | |
2767 | } | |
2768 | ||
3f455f90 PK |
2769 | if (x < 1) x = 1; |
2770 | if (y < 1) y = 1; | |
2771 | ||
2772 | // resize cols | |
2773 | j = this.cols; | |
2774 | if (j < x) { | |
2775 | ch = [this.defAttr, ' ']; // does xterm use the default attr? | |
2776 | i = this.lines.length; | |
2777 | while (i--) { | |
2778 | while (this.lines[i].length < x) { | |
2779 | this.lines[i].push(ch); | |
2780 | } | |
2781 | } | |
e721bdc9 | 2782 | } else { // (j > x) |
3f455f90 PK |
2783 | i = this.lines.length; |
2784 | while (i--) { | |
2785 | while (this.lines[i].length > x) { | |
2786 | this.lines[i].pop(); | |
2787 | } | |
2788 | } | |
2789 | } | |
2790 | this.setupStops(j); | |
2791 | this.cols = x; | |
2792 | ||
2793 | // resize rows | |
2794 | j = this.rows; | |
eee99f62 | 2795 | addToY = 0; |
3f455f90 PK |
2796 | if (j < y) { |
2797 | el = this.element; | |
2798 | while (j++ < y) { | |
eee99f62 | 2799 | // y is rows, not this.y |
3f455f90 | 2800 | if (this.lines.length < y + this.ybase) { |
eee99f62 DI |
2801 | if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) { |
2802 | // There is room above the buffer and there are no empty elements below the line, | |
2803 | // scroll up | |
2804 | this.ybase--; | |
2805 | this.ydisp--; | |
2806 | addToY++ | |
2807 | } else { | |
2808 | // Add a blank line if there is no buffer left at the top to scroll to, or if there | |
2809 | // are blank lines after the cursor | |
2810 | this.lines.push(this.blankLine()); | |
2811 | } | |
3f455f90 PK |
2812 | } |
2813 | if (this.children.length < y) { | |
2814 | this.insertRow(); | |
2815 | } | |
2816 | } | |
e721bdc9 | 2817 | } else { // (j > y) |
3f455f90 PK |
2818 | while (j-- > y) { |
2819 | if (this.lines.length > y + this.ybase) { | |
eee99f62 DI |
2820 | if (this.lines.length > this.ybase + this.y + 1) { |
2821 | // The line is a blank line below the cursor, remove it | |
df268ad5 DI |
2822 | this.lines.pop(); |
2823 | } else { | |
eee99f62 | 2824 | // The line is the cursor, scroll down |
df268ad5 DI |
2825 | this.ybase++; |
2826 | this.ydisp++; | |
2827 | } | |
3f455f90 PK |
2828 | } |
2829 | if (this.children.length > y) { | |
685bc54b | 2830 | el = this.children.shift(); |
3f455f90 PK |
2831 | if (!el) continue; |
2832 | el.parentNode.removeChild(el); | |
2833 | } | |
2834 | } | |
2835 | } | |
2836 | this.rows = y; | |
2837 | ||
2838 | /* | |
2839 | * Make sure that the cursor stays on screen | |
2840 | */ | |
2841 | if (this.y >= y) { | |
2842 | this.y = y - 1; | |
2843 | } | |
eee99f62 DI |
2844 | if (addToY) { |
2845 | this.y += addToY; | |
2846 | } | |
3f455f90 PK |
2847 | |
2848 | if (this.x >= x) { | |
2849 | this.x = x - 1; | |
2850 | } | |
2851 | ||
2852 | this.scrollTop = 0; | |
2853 | this.scrollBottom = y - 1; | |
2854 | ||
2855 | this.refresh(0, this.rows - 1); | |
2856 | ||
2857 | this.normal = null; | |
2858 | ||
2859 | this.emit('resize', {terminal: this, cols: x, rows: y}); | |
2860 | }; | |
2861 | ||
2862 | Terminal.prototype.updateRange = function(y) { | |
2863 | if (y < this.refreshStart) this.refreshStart = y; | |
2864 | if (y > this.refreshEnd) this.refreshEnd = y; | |
2865 | // if (y > this.refreshEnd) { | |
2866 | // this.refreshEnd = y; | |
2867 | // if (y > this.rows - 1) { | |
2868 | // this.refreshEnd = this.rows - 1; | |
2869 | // } | |
2870 | // } | |
2871 | }; | |
2872 | ||
2873 | Terminal.prototype.maxRange = function() { | |
2874 | this.refreshStart = 0; | |
2875 | this.refreshEnd = this.rows - 1; | |
2876 | }; | |
2877 | ||
2878 | Terminal.prototype.setupStops = function(i) { | |
2879 | if (i != null) { | |
2880 | if (!this.tabs[i]) { | |
2881 | i = this.prevStop(i); | |
2882 | } | |
2883 | } else { | |
2884 | this.tabs = {}; | |
2885 | i = 0; | |
2886 | } | |
2887 | ||
2888 | for (; i < this.cols; i += 8) { | |
2889 | this.tabs[i] = true; | |
2890 | } | |
2891 | }; | |
2892 | ||
2893 | Terminal.prototype.prevStop = function(x) { | |
2894 | if (x == null) x = this.x; | |
2895 | while (!this.tabs[--x] && x > 0); | |
2896 | return x >= this.cols | |
2897 | ? this.cols - 1 | |
2898 | : x < 0 ? 0 : x; | |
2899 | }; | |
2900 | ||
2901 | Terminal.prototype.nextStop = function(x) { | |
2902 | if (x == null) x = this.x; | |
2903 | while (!this.tabs[++x] && x < this.cols); | |
2904 | return x >= this.cols | |
2905 | ? this.cols - 1 | |
2906 | : x < 0 ? 0 : x; | |
2907 | }; | |
2908 | ||
2909 | Terminal.prototype.eraseRight = function(x, y) { | |
2910 | var line = this.lines[this.ybase + y] | |
2911 | , ch = [this.eraseAttr(), ' ']; // xterm | |
2912 | ||
2913 | ||
2914 | for (; x < this.cols; x++) { | |
2915 | line[x] = ch; | |
2916 | } | |
2917 | ||
2918 | this.updateRange(y); | |
2919 | }; | |
2920 | ||
2921 | Terminal.prototype.eraseLeft = function(x, y) { | |
2922 | var line = this.lines[this.ybase + y] | |
2923 | , ch = [this.eraseAttr(), ' ']; // xterm | |
2924 | ||
2925 | x++; | |
2926 | while (x--) line[x] = ch; | |
2927 | ||
2928 | this.updateRange(y); | |
2929 | }; | |
2930 | ||
2931 | Terminal.prototype.eraseLine = function(y) { | |
2932 | this.eraseRight(0, y); | |
2933 | }; | |
2934 | ||
2935 | Terminal.prototype.blankLine = function(cur) { | |
2936 | var attr = cur | |
2937 | ? this.eraseAttr() | |
2938 | : this.defAttr; | |
2939 | ||
2940 | var ch = [attr, ' '] | |
2941 | , line = [] | |
2942 | , i = 0; | |
2943 | ||
2944 | for (; i < this.cols; i++) { | |
2945 | line[i] = ch; | |
2946 | } | |
2947 | ||
2948 | return line; | |
2949 | }; | |
2950 | ||
2951 | Terminal.prototype.ch = function(cur) { | |
2952 | return cur | |
2953 | ? [this.eraseAttr(), ' '] | |
2954 | : [this.defAttr, ' ']; | |
2955 | }; | |
2956 | ||
2957 | Terminal.prototype.is = function(term) { | |
2958 | var name = this.termName; | |
2959 | return (name + '').indexOf(term) === 0; | |
2960 | }; | |
2961 | ||
2962 | Terminal.prototype.handler = function(data) { | |
2963 | this.emit('data', data); | |
2964 | }; | |
2965 | ||
2966 | Terminal.prototype.handleTitle = function(title) { | |
2967 | this.emit('title', title); | |
2968 | }; | |
2969 | ||
2970 | /** | |
2971 | * ESC | |
2972 | */ | |
2973 | ||
2974 | // ESC D Index (IND is 0x84). | |
2975 | Terminal.prototype.index = function() { | |
2976 | this.y++; | |
2977 | if (this.y > this.scrollBottom) { | |
2978 | this.y--; | |
2979 | this.scroll(); | |
2980 | } | |
2981 | this.state = normal; | |
2982 | }; | |
2983 | ||
2984 | // ESC M Reverse Index (RI is 0x8d). | |
2985 | Terminal.prototype.reverseIndex = function() { | |
2986 | var j; | |
2987 | this.y--; | |
2988 | if (this.y < this.scrollTop) { | |
2989 | this.y++; | |
2990 | // possibly move the code below to term.reverseScroll(); | |
2991 | // test: echo -ne '\e[1;1H\e[44m\eM\e[0m' | |
2992 | // blankLine(true) is xterm/linux behavior | |
2993 | this.lines.splice(this.y + this.ybase, 0, this.blankLine(true)); | |
2994 | j = this.rows - 1 - this.scrollBottom; | |
2995 | this.lines.splice(this.rows - 1 + this.ybase - j + 1, 1); | |
2996 | // this.maxRange(); | |
2997 | this.updateRange(this.scrollTop); | |
2998 | this.updateRange(this.scrollBottom); | |
2999 | } | |
3000 | this.state = normal; | |
3001 | }; | |
3002 | ||
3003 | // ESC c Full Reset (RIS). | |
3004 | Terminal.prototype.reset = function() { | |
3005 | this.options.rows = this.rows; | |
3006 | this.options.cols = this.cols; | |
3007 | Terminal.call(this, this.options); | |
3008 | this.refresh(0, this.rows - 1); | |
3009 | }; | |
3010 | ||
3011 | // ESC H Tab Set (HTS is 0x88). | |
3012 | Terminal.prototype.tabSet = function() { | |
3013 | this.tabs[this.x] = true; | |
3014 | this.state = normal; | |
3015 | }; | |
3016 | ||
3017 | /** | |
3018 | * CSI | |
3019 | */ | |
3020 | ||
3021 | // CSI Ps A | |
3022 | // Cursor Up Ps Times (default = 1) (CUU). | |
3023 | Terminal.prototype.cursorUp = function(params) { | |
3024 | var param = params[0]; | |
3025 | if (param < 1) param = 1; | |
3026 | this.y -= param; | |
3027 | if (this.y < 0) this.y = 0; | |
3028 | }; | |
3029 | ||
3030 | // CSI Ps B | |
3031 | // Cursor Down Ps Times (default = 1) (CUD). | |
3032 | Terminal.prototype.cursorDown = function(params) { | |
3033 | var param = params[0]; | |
3034 | if (param < 1) param = 1; | |
3035 | this.y += param; | |
3036 | if (this.y >= this.rows) { | |
3037 | this.y = this.rows - 1; | |
3038 | } | |
3039 | }; | |
3040 | ||
3041 | // CSI Ps C | |
3042 | // Cursor Forward Ps Times (default = 1) (CUF). | |
3043 | Terminal.prototype.cursorForward = function(params) { | |
3044 | var param = params[0]; | |
3045 | if (param < 1) param = 1; | |
3046 | this.x += param; | |
3047 | if (this.x >= this.cols) { | |
3048 | this.x = this.cols - 1; | |
3049 | } | |
3050 | }; | |
3051 | ||
3052 | // CSI Ps D | |
3053 | // Cursor Backward Ps Times (default = 1) (CUB). | |
3054 | Terminal.prototype.cursorBackward = function(params) { | |
3055 | var param = params[0]; | |
3056 | if (param < 1) param = 1; | |
3057 | this.x -= param; | |
3058 | if (this.x < 0) this.x = 0; | |
3059 | }; | |
3060 | ||
3061 | // CSI Ps ; Ps H | |
3062 | // Cursor Position [row;column] (default = [1,1]) (CUP). | |
3063 | Terminal.prototype.cursorPos = function(params) { | |
3064 | var row, col; | |
3065 | ||
3066 | row = params[0] - 1; | |
3067 | ||
3068 | if (params.length >= 2) { | |
3069 | col = params[1] - 1; | |
3070 | } else { | |
3071 | col = 0; | |
3072 | } | |
3073 | ||
3074 | if (row < 0) { | |
3075 | row = 0; | |
3076 | } else if (row >= this.rows) { | |
3077 | row = this.rows - 1; | |
3078 | } | |
3079 | ||
3080 | if (col < 0) { | |
3081 | col = 0; | |
3082 | } else if (col >= this.cols) { | |
3083 | col = this.cols - 1; | |
3084 | } | |
3085 | ||
3086 | this.x = col; | |
3087 | this.y = row; | |
3088 | }; | |
3089 | ||
3090 | // CSI Ps J Erase in Display (ED). | |
3091 | // Ps = 0 -> Erase Below (default). | |
3092 | // Ps = 1 -> Erase Above. | |
3093 | // Ps = 2 -> Erase All. | |
3094 | // Ps = 3 -> Erase Saved Lines (xterm). | |
3095 | // CSI ? Ps J | |
3096 | // Erase in Display (DECSED). | |
3097 | // Ps = 0 -> Selective Erase Below (default). | |
3098 | // Ps = 1 -> Selective Erase Above. | |
3099 | // Ps = 2 -> Selective Erase All. | |
3100 | Terminal.prototype.eraseInDisplay = function(params) { | |
3101 | var j; | |
3102 | switch (params[0]) { | |
3103 | case 0: | |
3104 | this.eraseRight(this.x, this.y); | |
3105 | j = this.y + 1; | |
3106 | for (; j < this.rows; j++) { | |
3107 | this.eraseLine(j); | |
3108 | } | |
3109 | break; | |
3110 | case 1: | |
3111 | this.eraseLeft(this.x, this.y); | |
3112 | j = this.y; | |
3113 | while (j--) { | |
3114 | this.eraseLine(j); | |
3115 | } | |
3116 | break; | |
3117 | case 2: | |
3118 | j = this.rows; | |
3119 | while (j--) this.eraseLine(j); | |
3120 | break; | |
3121 | case 3: | |
3122 | ; // no saved lines | |
3123 | break; | |
3124 | } | |
3125 | }; | |
3126 | ||
3127 | // CSI Ps K Erase in Line (EL). | |
3128 | // Ps = 0 -> Erase to Right (default). | |
3129 | // Ps = 1 -> Erase to Left. | |
3130 | // Ps = 2 -> Erase All. | |
3131 | // CSI ? Ps K | |
3132 | // Erase in Line (DECSEL). | |
3133 | // Ps = 0 -> Selective Erase to Right (default). | |
3134 | // Ps = 1 -> Selective Erase to Left. | |
3135 | // Ps = 2 -> Selective Erase All. | |
3136 | Terminal.prototype.eraseInLine = function(params) { | |
3137 | switch (params[0]) { | |
3138 | case 0: | |
3139 | this.eraseRight(this.x, this.y); | |
3140 | break; | |
3141 | case 1: | |
3142 | this.eraseLeft(this.x, this.y); | |
3143 | break; | |
3144 | case 2: | |
3145 | this.eraseLine(this.y); | |
3146 | break; | |
3147 | } | |
3148 | }; | |
3149 | ||
3150 | // CSI Pm m Character Attributes (SGR). | |
3151 | // Ps = 0 -> Normal (default). | |
3152 | // Ps = 1 -> Bold. | |
3153 | // Ps = 4 -> Underlined. | |
3154 | // Ps = 5 -> Blink (appears as Bold). | |
3155 | // Ps = 7 -> Inverse. | |
3156 | // Ps = 8 -> Invisible, i.e., hidden (VT300). | |
3157 | // Ps = 2 2 -> Normal (neither bold nor faint). | |
3158 | // Ps = 2 4 -> Not underlined. | |
3159 | // Ps = 2 5 -> Steady (not blinking). | |
3160 | // Ps = 2 7 -> Positive (not inverse). | |
3161 | // Ps = 2 8 -> Visible, i.e., not hidden (VT300). | |
3162 | // Ps = 3 0 -> Set foreground color to Black. | |
3163 | // Ps = 3 1 -> Set foreground color to Red. | |
3164 | // Ps = 3 2 -> Set foreground color to Green. | |
3165 | // Ps = 3 3 -> Set foreground color to Yellow. | |
3166 | // Ps = 3 4 -> Set foreground color to Blue. | |
3167 | // Ps = 3 5 -> Set foreground color to Magenta. | |
3168 | // Ps = 3 6 -> Set foreground color to Cyan. | |
3169 | // Ps = 3 7 -> Set foreground color to White. | |
3170 | // Ps = 3 9 -> Set foreground color to default (original). | |
3171 | // Ps = 4 0 -> Set background color to Black. | |
3172 | // Ps = 4 1 -> Set background color to Red. | |
3173 | // Ps = 4 2 -> Set background color to Green. | |
3174 | // Ps = 4 3 -> Set background color to Yellow. | |
3175 | // Ps = 4 4 -> Set background color to Blue. | |
3176 | // Ps = 4 5 -> Set background color to Magenta. | |
3177 | // Ps = 4 6 -> Set background color to Cyan. | |
3178 | // Ps = 4 7 -> Set background color to White. | |
3179 | // Ps = 4 9 -> Set background color to default (original). | |
3180 | ||
3181 | // If 16-color support is compiled, the following apply. Assume | |
3182 | // that xterm's resources are set so that the ISO color codes are | |
3183 | // the first 8 of a set of 16. Then the aixterm colors are the | |
3184 | // bright versions of the ISO colors: | |
3185 | // Ps = 9 0 -> Set foreground color to Black. | |
3186 | // Ps = 9 1 -> Set foreground color to Red. | |
3187 | // Ps = 9 2 -> Set foreground color to Green. | |
3188 | // Ps = 9 3 -> Set foreground color to Yellow. | |
3189 | // Ps = 9 4 -> Set foreground color to Blue. | |
3190 | // Ps = 9 5 -> Set foreground color to Magenta. | |
3191 | // Ps = 9 6 -> Set foreground color to Cyan. | |
3192 | // Ps = 9 7 -> Set foreground color to White. | |
3193 | // Ps = 1 0 0 -> Set background color to Black. | |
3194 | // Ps = 1 0 1 -> Set background color to Red. | |
3195 | // Ps = 1 0 2 -> Set background color to Green. | |
3196 | // Ps = 1 0 3 -> Set background color to Yellow. | |
3197 | // Ps = 1 0 4 -> Set background color to Blue. | |
3198 | // Ps = 1 0 5 -> Set background color to Magenta. | |
3199 | // Ps = 1 0 6 -> Set background color to Cyan. | |
3200 | // Ps = 1 0 7 -> Set background color to White. | |
3201 | ||
3202 | // If xterm is compiled with the 16-color support disabled, it | |
3203 | // supports the following, from rxvt: | |
3204 | // Ps = 1 0 0 -> Set foreground and background color to | |
3205 | // default. | |
3206 | ||
3207 | // If 88- or 256-color support is compiled, the following apply. | |
3208 | // Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second | |
3209 | // Ps. | |
3210 | // Ps = 4 8 ; 5 ; Ps -> Set background color to the second | |
3211 | // Ps. | |
3212 | Terminal.prototype.charAttributes = function(params) { | |
3213 | // Optimize a single SGR0. | |
3214 | if (params.length === 1 && params[0] === 0) { | |
3215 | this.curAttr = this.defAttr; | |
3216 | return; | |
3217 | } | |
3218 | ||
3219 | var l = params.length | |
3220 | , i = 0 | |
3221 | , flags = this.curAttr >> 18 | |
3222 | , fg = (this.curAttr >> 9) & 0x1ff | |
3223 | , bg = this.curAttr & 0x1ff | |
3224 | , p; | |
3225 | ||
3226 | for (; i < l; i++) { | |
3227 | p = params[i]; | |
3228 | if (p >= 30 && p <= 37) { | |
3229 | // fg color 8 | |
3230 | fg = p - 30; | |
3231 | } else if (p >= 40 && p <= 47) { | |
3232 | // bg color 8 | |
3233 | bg = p - 40; | |
3234 | } else if (p >= 90 && p <= 97) { | |
3235 | // fg color 16 | |
3236 | p += 8; | |
3237 | fg = p - 90; | |
3238 | } else if (p >= 100 && p <= 107) { | |
3239 | // bg color 16 | |
3240 | p += 8; | |
3241 | bg = p - 100; | |
3242 | } else if (p === 0) { | |
3243 | // default | |
3244 | flags = this.defAttr >> 18; | |
3245 | fg = (this.defAttr >> 9) & 0x1ff; | |
3246 | bg = this.defAttr & 0x1ff; | |
3247 | // flags = 0; | |
3248 | // fg = 0x1ff; | |
3249 | // bg = 0x1ff; | |
3250 | } else if (p === 1) { | |
3251 | // bold text | |
3252 | flags |= 1; | |
3253 | } else if (p === 4) { | |
3254 | // underlined text | |
3255 | flags |= 2; | |
3256 | } else if (p === 5) { | |
3257 | // blink | |
3258 | flags |= 4; | |
3259 | } else if (p === 7) { | |
3260 | // inverse and positive | |
3261 | // test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m' | |
3262 | flags |= 8; | |
3263 | } else if (p === 8) { | |
3264 | // invisible | |
3265 | flags |= 16; | |
3266 | } else if (p === 22) { | |
3267 | // not bold | |
3268 | flags &= ~1; | |
3269 | } else if (p === 24) { | |
3270 | // not underlined | |
3271 | flags &= ~2; | |
3272 | } else if (p === 25) { | |
3273 | // not blink | |
3274 | flags &= ~4; | |
3275 | } else if (p === 27) { | |
3276 | // not inverse | |
3277 | flags &= ~8; | |
3278 | } else if (p === 28) { | |
3279 | // not invisible | |
3280 | flags &= ~16; | |
3281 | } else if (p === 39) { | |
3282 | // reset fg | |
3283 | fg = (this.defAttr >> 9) & 0x1ff; | |
3284 | } else if (p === 49) { | |
3285 | // reset bg | |
3286 | bg = this.defAttr & 0x1ff; | |
3287 | } else if (p === 38) { | |
3288 | // fg color 256 | |
3289 | if (params[i + 1] === 2) { | |
3290 | i += 2; | |
3291 | fg = matchColor( | |
3292 | params[i] & 0xff, | |
3293 | params[i + 1] & 0xff, | |
3294 | params[i + 2] & 0xff); | |
3295 | if (fg === -1) fg = 0x1ff; | |
3296 | i += 2; | |
3297 | } else if (params[i + 1] === 5) { | |
3298 | i += 2; | |
3299 | p = params[i] & 0xff; | |
3300 | fg = p; | |
3301 | } | |
3302 | } else if (p === 48) { | |
3303 | // bg color 256 | |
3304 | if (params[i + 1] === 2) { | |
3305 | i += 2; | |
3306 | bg = matchColor( | |
3307 | params[i] & 0xff, | |
3308 | params[i + 1] & 0xff, | |
3309 | params[i + 2] & 0xff); | |
3310 | if (bg === -1) bg = 0x1ff; | |
3311 | i += 2; | |
3312 | } else if (params[i + 1] === 5) { | |
3313 | i += 2; | |
3314 | p = params[i] & 0xff; | |
3315 | bg = p; | |
3316 | } | |
3317 | } else if (p === 100) { | |
3318 | // reset fg/bg | |
3319 | fg = (this.defAttr >> 9) & 0x1ff; | |
3320 | bg = this.defAttr & 0x1ff; | |
3321 | } else { | |
3322 | this.error('Unknown SGR attribute: %d.', p); | |
3323 | } | |
3324 | } | |
3325 | ||
3326 | this.curAttr = (flags << 18) | (fg << 9) | bg; | |
3327 | }; | |
3328 | ||
3329 | // CSI Ps n Device Status Report (DSR). | |
3330 | // Ps = 5 -> Status Report. Result (``OK'') is | |
3331 | // CSI 0 n | |
3332 | // Ps = 6 -> Report Cursor Position (CPR) [row;column]. | |
3333 | // Result is | |
3334 | // CSI r ; c R | |
3335 | // CSI ? Ps n | |
3336 | // Device Status Report (DSR, DEC-specific). | |
3337 | // Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI | |
3338 | // ? r ; c R (assumes page is zero). | |
3339 | // Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready). | |
3340 | // or CSI ? 1 1 n (not ready). | |
3341 | // Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked) | |
3342 | // or CSI ? 2 1 n (locked). | |
3343 | // Ps = 2 6 -> Report Keyboard status as | |
3344 | // CSI ? 2 7 ; 1 ; 0 ; 0 n (North American). | |
3345 | // The last two parameters apply to VT400 & up, and denote key- | |
3346 | // board ready and LK01 respectively. | |
3347 | // Ps = 5 3 -> Report Locator status as | |
3348 | // CSI ? 5 3 n Locator available, if compiled-in, or | |
3349 | // CSI ? 5 0 n No Locator, if not. | |
3350 | Terminal.prototype.deviceStatus = function(params) { | |
3351 | if (!this.prefix) { | |
3352 | switch (params[0]) { | |
3353 | case 5: | |
3354 | // status report | |
3355 | this.send('\x1b[0n'); | |
3356 | break; | |
3357 | case 6: | |
3358 | // cursor position | |
3359 | this.send('\x1b[' | |
3360 | + (this.y + 1) | |
3361 | + ';' | |
3362 | + (this.x + 1) | |
3363 | + 'R'); | |
3364 | break; | |
3365 | } | |
3366 | } else if (this.prefix === '?') { | |
3367 | // modern xterm doesnt seem to | |
3368 | // respond to any of these except ?6, 6, and 5 | |
3369 | switch (params[0]) { | |
3370 | case 6: | |
3371 | // cursor position | |
3372 | this.send('\x1b[?' | |
3373 | + (this.y + 1) | |
3374 | + ';' | |
3375 | + (this.x + 1) | |
3376 | + 'R'); | |
3377 | break; | |
3378 | case 15: | |
3379 | // no printer | |
3380 | // this.send('\x1b[?11n'); | |
3381 | break; | |
3382 | case 25: | |
3383 | // dont support user defined keys | |
3384 | // this.send('\x1b[?21n'); | |
3385 | break; | |
3386 | case 26: | |
3387 | // north american keyboard | |
3388 | // this.send('\x1b[?27;1;0;0n'); | |
3389 | break; | |
3390 | case 53: | |
3391 | // no dec locator/mouse | |
3392 | // this.send('\x1b[?50n'); | |
3393 | break; | |
3394 | } | |
3395 | } | |
3396 | }; | |
3397 | ||
3398 | /** | |
3399 | * Additions | |
3400 | */ | |
3401 | ||
3402 | // CSI Ps @ | |
3403 | // Insert Ps (Blank) Character(s) (default = 1) (ICH). | |
3404 | Terminal.prototype.insertChars = function(params) { | |
3405 | var param, row, j, ch; | |
3406 | ||
3407 | param = params[0]; | |
3408 | if (param < 1) param = 1; | |
3409 | ||
3410 | row = this.y + this.ybase; | |
3411 | j = this.x; | |
3412 | ch = [this.eraseAttr(), ' ']; // xterm | |
3413 | ||
3414 | while (param-- && j < this.cols) { | |
3415 | this.lines[row].splice(j++, 0, ch); | |
3416 | this.lines[row].pop(); | |
3417 | } | |
3418 | }; | |
3419 | ||
3420 | // CSI Ps E | |
3421 | // Cursor Next Line Ps Times (default = 1) (CNL). | |
3422 | // same as CSI Ps B ? | |
3423 | Terminal.prototype.cursorNextLine = function(params) { | |
3424 | var param = params[0]; | |
3425 | if (param < 1) param = 1; | |
3426 | this.y += param; | |
3427 | if (this.y >= this.rows) { | |
3428 | this.y = this.rows - 1; | |
3429 | } | |
3430 | this.x = 0; | |
3431 | }; | |
3432 | ||
3433 | // CSI Ps F | |
3434 | // Cursor Preceding Line Ps Times (default = 1) (CNL). | |
3435 | // reuse CSI Ps A ? | |
3436 | Terminal.prototype.cursorPrecedingLine = function(params) { | |
3437 | var param = params[0]; | |
3438 | if (param < 1) param = 1; | |
3439 | this.y -= param; | |
3440 | if (this.y < 0) this.y = 0; | |
3441 | this.x = 0; | |
3442 | }; | |
3443 | ||
3444 | // CSI Ps G | |
3445 | // Cursor Character Absolute [column] (default = [row,1]) (CHA). | |
3446 | Terminal.prototype.cursorCharAbsolute = function(params) { | |
3447 | var param = params[0]; | |
3448 | if (param < 1) param = 1; | |
3449 | this.x = param - 1; | |
3450 | }; | |
3451 | ||
3452 | // CSI Ps L | |
3453 | // Insert Ps Line(s) (default = 1) (IL). | |
3454 | Terminal.prototype.insertLines = function(params) { | |
3455 | var param, row, j; | |
3456 | ||
3457 | param = params[0]; | |
3458 | if (param < 1) param = 1; | |
3459 | row = this.y + this.ybase; | |
3460 | ||
3461 | j = this.rows - 1 - this.scrollBottom; | |
3462 | j = this.rows - 1 + this.ybase - j + 1; | |
3463 | ||
3464 | while (param--) { | |
3465 | // test: echo -e '\e[44m\e[1L\e[0m' | |
3466 | // blankLine(true) - xterm/linux behavior | |
3467 | this.lines.splice(row, 0, this.blankLine(true)); | |
3468 | this.lines.splice(j, 1); | |
3469 | } | |
3470 | ||
3471 | // this.maxRange(); | |
3472 | this.updateRange(this.y); | |
3473 | this.updateRange(this.scrollBottom); | |
3474 | }; | |
3475 | ||
3476 | // CSI Ps M | |
3477 | // Delete Ps Line(s) (default = 1) (DL). | |
3478 | Terminal.prototype.deleteLines = function(params) { | |
3479 | var param, row, j; | |
3480 | ||
3481 | param = params[0]; | |
3482 | if (param < 1) param = 1; | |
3483 | row = this.y + this.ybase; | |
3484 | ||
3485 | j = this.rows - 1 - this.scrollBottom; | |
3486 | j = this.rows - 1 + this.ybase - j; | |
3487 | ||
3488 | while (param--) { | |
3489 | // test: echo -e '\e[44m\e[1M\e[0m' | |
3490 | // blankLine(true) - xterm/linux behavior | |
3491 | this.lines.splice(j + 1, 0, this.blankLine(true)); | |
3492 | this.lines.splice(row, 1); | |
3493 | } | |
3494 | ||
3495 | // this.maxRange(); | |
3496 | this.updateRange(this.y); | |
3497 | this.updateRange(this.scrollBottom); | |
3498 | }; | |
3499 | ||
3500 | // CSI Ps P | |
3501 | // Delete Ps Character(s) (default = 1) (DCH). | |
3502 | Terminal.prototype.deleteChars = function(params) { | |
3503 | var param, row, ch; | |
3504 | ||
3505 | param = params[0]; | |
3506 | if (param < 1) param = 1; | |
3507 | ||
3508 | row = this.y + this.ybase; | |
3509 | ch = [this.eraseAttr(), ' ']; // xterm | |
3510 | ||
3511 | while (param--) { | |
3512 | this.lines[row].splice(this.x, 1); | |
3513 | this.lines[row].push(ch); | |
3514 | } | |
3515 | }; | |
3516 | ||
3517 | // CSI Ps X | |
3518 | // Erase Ps Character(s) (default = 1) (ECH). | |
3519 | Terminal.prototype.eraseChars = function(params) { | |
3520 | var param, row, j, ch; | |
3521 | ||
3522 | param = params[0]; | |
3523 | if (param < 1) param = 1; | |
3524 | ||
3525 | row = this.y + this.ybase; | |
3526 | j = this.x; | |
3527 | ch = [this.eraseAttr(), ' ']; // xterm | |
3528 | ||
3529 | while (param-- && j < this.cols) { | |
3530 | this.lines[row][j++] = ch; | |
3531 | } | |
3532 | }; | |
3533 | ||
3534 | // CSI Pm ` Character Position Absolute | |
3535 | // [column] (default = [row,1]) (HPA). | |
3536 | Terminal.prototype.charPosAbsolute = function(params) { | |
3537 | var param = params[0]; | |
3538 | if (param < 1) param = 1; | |
3539 | this.x = param - 1; | |
3540 | if (this.x >= this.cols) { | |
3541 | this.x = this.cols - 1; | |
3542 | } | |
3543 | }; | |
3544 | ||
3545 | // 141 61 a * HPR - | |
3546 | // Horizontal Position Relative | |
3547 | // reuse CSI Ps C ? | |
3548 | Terminal.prototype.HPositionRelative = function(params) { | |
3549 | var param = params[0]; | |
3550 | if (param < 1) param = 1; | |
3551 | this.x += param; | |
3552 | if (this.x >= this.cols) { | |
3553 | this.x = this.cols - 1; | |
3554 | } | |
3555 | }; | |
3556 | ||
3557 | // CSI Ps c Send Device Attributes (Primary DA). | |
3558 | // Ps = 0 or omitted -> request attributes from terminal. The | |
3559 | // response depends on the decTerminalID resource setting. | |
3560 | // -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'') | |
3561 | // -> CSI ? 1 ; 0 c (``VT101 with No Options'') | |
3562 | // -> CSI ? 6 c (``VT102'') | |
3563 | // -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'') | |
3564 | // The VT100-style response parameters do not mean anything by | |
3565 | // themselves. VT220 parameters do, telling the host what fea- | |
3566 | // tures the terminal supports: | |
3567 | // Ps = 1 -> 132-columns. | |
3568 | // Ps = 2 -> Printer. | |
3569 | // Ps = 6 -> Selective erase. | |
3570 | // Ps = 8 -> User-defined keys. | |
3571 | // Ps = 9 -> National replacement character sets. | |
3572 | // Ps = 1 5 -> Technical characters. | |
3573 | // Ps = 2 2 -> ANSI color, e.g., VT525. | |
3574 | // Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode). | |
3575 | // CSI > Ps c | |
3576 | // Send Device Attributes (Secondary DA). | |
3577 | // Ps = 0 or omitted -> request the terminal's identification | |
3578 | // code. The response depends on the decTerminalID resource set- | |
3579 | // ting. It should apply only to VT220 and up, but xterm extends | |
3580 | // this to VT100. | |
3581 | // -> CSI > Pp ; Pv ; Pc c | |
3582 | // where Pp denotes the terminal type | |
3583 | // Pp = 0 -> ``VT100''. | |
3584 | // Pp = 1 -> ``VT220''. | |
3585 | // and Pv is the firmware version (for xterm, this was originally | |
3586 | // the XFree86 patch number, starting with 95). In a DEC termi- | |
3587 | // nal, Pc indicates the ROM cartridge registration number and is | |
3588 | // always zero. | |
3589 | // More information: | |
3590 | // xterm/charproc.c - line 2012, for more information. | |
3591 | // vim responds with ^[[?0c or ^[[?1c after the terminal's response (?) | |
3592 | Terminal.prototype.sendDeviceAttributes = function(params) { | |
3593 | if (params[0] > 0) return; | |
3594 | ||
3595 | if (!this.prefix) { | |
3596 | if (this.is('xterm') | |
3597 | || this.is('rxvt-unicode') | |
3598 | || this.is('screen')) { | |
3599 | this.send('\x1b[?1;2c'); | |
3600 | } else if (this.is('linux')) { | |
3601 | this.send('\x1b[?6c'); | |
3602 | } | |
3603 | } else if (this.prefix === '>') { | |
3604 | // xterm and urxvt | |
3605 | // seem to spit this | |
3606 | // out around ~370 times (?). | |
3607 | if (this.is('xterm')) { | |
3608 | this.send('\x1b[>0;276;0c'); | |
3609 | } else if (this.is('rxvt-unicode')) { | |
3610 | this.send('\x1b[>85;95;0c'); | |
3611 | } else if (this.is('linux')) { | |
3612 | // not supported by linux console. | |
3613 | // linux console echoes parameters. | |
3614 | this.send(params[0] + 'c'); | |
3615 | } else if (this.is('screen')) { | |
3616 | this.send('\x1b[>83;40003;0c'); | |
3617 | } | |
3618 | } | |
3619 | }; | |
3620 | ||
3621 | // CSI Pm d | |
3622 | // Line Position Absolute [row] (default = [1,column]) (VPA). | |
3623 | Terminal.prototype.linePosAbsolute = function(params) { | |
3624 | var param = params[0]; | |
3625 | if (param < 1) param = 1; | |
3626 | this.y = param - 1; | |
3627 | if (this.y >= this.rows) { | |
3628 | this.y = this.rows - 1; | |
3629 | } | |
3630 | }; | |
3631 | ||
3632 | // 145 65 e * VPR - Vertical Position Relative | |
3633 | // reuse CSI Ps B ? | |
3634 | Terminal.prototype.VPositionRelative = function(params) { | |
3635 | var param = params[0]; | |
3636 | if (param < 1) param = 1; | |
3637 | this.y += param; | |
3638 | if (this.y >= this.rows) { | |
3639 | this.y = this.rows - 1; | |
3640 | } | |
3641 | }; | |
3642 | ||
3643 | // CSI Ps ; Ps f | |
3644 | // Horizontal and Vertical Position [row;column] (default = | |
3645 | // [1,1]) (HVP). | |
3646 | Terminal.prototype.HVPosition = function(params) { | |
3647 | if (params[0] < 1) params[0] = 1; | |
3648 | if (params[1] < 1) params[1] = 1; | |
3649 | ||
3650 | this.y = params[0] - 1; | |
3651 | if (this.y >= this.rows) { | |
3652 | this.y = this.rows - 1; | |
3653 | } | |
3654 | ||
3655 | this.x = params[1] - 1; | |
3656 | if (this.x >= this.cols) { | |
3657 | this.x = this.cols - 1; | |
3658 | } | |
3659 | }; | |
3660 | ||
3661 | // CSI Pm h Set Mode (SM). | |
3662 | // Ps = 2 -> Keyboard Action Mode (AM). | |
3663 | // Ps = 4 -> Insert Mode (IRM). | |
3664 | // Ps = 1 2 -> Send/receive (SRM). | |
3665 | // Ps = 2 0 -> Automatic Newline (LNM). | |
3666 | // CSI ? Pm h | |
3667 | // DEC Private Mode Set (DECSET). | |
3668 | // Ps = 1 -> Application Cursor Keys (DECCKM). | |
3669 | // Ps = 2 -> Designate USASCII for character sets G0-G3 | |
3670 | // (DECANM), and set VT100 mode. | |
3671 | // Ps = 3 -> 132 Column Mode (DECCOLM). | |
3672 | // Ps = 4 -> Smooth (Slow) Scroll (DECSCLM). | |
3673 | // Ps = 5 -> Reverse Video (DECSCNM). | |
3674 | // Ps = 6 -> Origin Mode (DECOM). | |
3675 | // Ps = 7 -> Wraparound Mode (DECAWM). | |
3676 | // Ps = 8 -> Auto-repeat Keys (DECARM). | |
3677 | // Ps = 9 -> Send Mouse X & Y on button press. See the sec- | |
3678 | // tion Mouse Tracking. | |
3679 | // Ps = 1 0 -> Show toolbar (rxvt). | |
3680 | // Ps = 1 2 -> Start Blinking Cursor (att610). | |
3681 | // Ps = 1 8 -> Print form feed (DECPFF). | |
3682 | // Ps = 1 9 -> Set print extent to full screen (DECPEX). | |
3683 | // Ps = 2 5 -> Show Cursor (DECTCEM). | |
3684 | // Ps = 3 0 -> Show scrollbar (rxvt). | |
3685 | // Ps = 3 5 -> Enable font-shifting functions (rxvt). | |
3686 | // Ps = 3 8 -> Enter Tektronix Mode (DECTEK). | |
3687 | // Ps = 4 0 -> Allow 80 -> 132 Mode. | |
3688 | // Ps = 4 1 -> more(1) fix (see curses resource). | |
3689 | // Ps = 4 2 -> Enable Nation Replacement Character sets (DECN- | |
3690 | // RCM). | |
3691 | // Ps = 4 4 -> Turn On Margin Bell. | |
3692 | // Ps = 4 5 -> Reverse-wraparound Mode. | |
3693 | // Ps = 4 6 -> Start Logging. This is normally disabled by a | |
3694 | // compile-time option. | |
3695 | // Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis- | |
3696 | // abled by the titeInhibit resource). | |
3697 | // Ps = 6 6 -> Application keypad (DECNKM). | |
3698 | // Ps = 6 7 -> Backarrow key sends backspace (DECBKM). | |
3699 | // Ps = 1 0 0 0 -> Send Mouse X & Y on button press and | |
3700 | // release. See the section Mouse Tracking. | |
3701 | // Ps = 1 0 0 1 -> Use Hilite Mouse Tracking. | |
3702 | // Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking. | |
3703 | // Ps = 1 0 0 3 -> Use All Motion Mouse Tracking. | |
3704 | // Ps = 1 0 0 4 -> Send FocusIn/FocusOut events. | |
3705 | // Ps = 1 0 0 5 -> Enable Extended Mouse Mode. | |
3706 | // Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt). | |
3707 | // Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt). | |
3708 | // Ps = 1 0 3 4 -> Interpret "meta" key, sets eighth bit. | |
3709 | // (enables the eightBitInput resource). | |
3710 | // Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num- | |
3711 | // Lock keys. (This enables the numLock resource). | |
3712 | // Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This | |
3713 | // enables the metaSendsEscape resource). | |
3714 | // Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete | |
3715 | // key. | |
3716 | // Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This | |
3717 | // enables the altSendsEscape resource). | |
3718 | // Ps = 1 0 4 0 -> Keep selection even if not highlighted. | |
3719 | // (This enables the keepSelection resource). | |
3720 | // Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables | |
3721 | // the selectToClipboard resource). | |
3722 | // Ps = 1 0 4 2 -> Enable Urgency window manager hint when | |
3723 | // Control-G is received. (This enables the bellIsUrgent | |
3724 | // resource). | |
3725 | // Ps = 1 0 4 3 -> Enable raising of the window when Control-G | |
3726 | // is received. (enables the popOnBell resource). | |
3727 | // Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be | |
3728 | // disabled by the titeInhibit resource). | |
3729 | // Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis- | |
3730 | // abled by the titeInhibit resource). | |
3731 | // Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate | |
3732 | // Screen Buffer, clearing it first. (This may be disabled by | |
3733 | // the titeInhibit resource). This combines the effects of the 1 | |
3734 | // 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based | |
3735 | // applications rather than the 4 7 mode. | |
3736 | // Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode. | |
3737 | // Ps = 1 0 5 1 -> Set Sun function-key mode. | |
3738 | // Ps = 1 0 5 2 -> Set HP function-key mode. | |
3739 | // Ps = 1 0 5 3 -> Set SCO function-key mode. | |
3740 | // Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6). | |
3741 | // Ps = 1 0 6 1 -> Set VT220 keyboard emulation. | |
3742 | // Ps = 2 0 0 4 -> Set bracketed paste mode. | |
3743 | // Modes: | |
3744 | // http://vt100.net/docs/vt220-rm/chapter4.html | |
3745 | Terminal.prototype.setMode = function(params) { | |
3746 | if (typeof params === 'object') { | |
3747 | var l = params.length | |
3748 | , i = 0; | |
3749 | ||
3750 | for (; i < l; i++) { | |
3751 | this.setMode(params[i]); | |
3752 | } | |
3753 | ||
3754 | return; | |
3755 | } | |
3756 | ||
3757 | if (!this.prefix) { | |
3758 | switch (params) { | |
3759 | case 4: | |
3760 | this.insertMode = true; | |
3761 | break; | |
3762 | case 20: | |
3763 | //this.convertEol = true; | |
3764 | break; | |
3765 | } | |
3766 | } else if (this.prefix === '?') { | |
3767 | switch (params) { | |
3768 | case 1: | |
3769 | this.applicationCursor = true; | |
3770 | break; | |
3771 | case 2: | |
3772 | this.setgCharset(0, Terminal.charsets.US); | |
3773 | this.setgCharset(1, Terminal.charsets.US); | |
3774 | this.setgCharset(2, Terminal.charsets.US); | |
3775 | this.setgCharset(3, Terminal.charsets.US); | |
3776 | // set VT100 mode here | |
3777 | break; | |
3778 | case 3: // 132 col mode | |
3779 | this.savedCols = this.cols; | |
3780 | this.resize(132, this.rows); | |
3781 | break; | |
3782 | case 6: | |
3783 | this.originMode = true; | |
3784 | break; | |
3785 | case 7: | |
3786 | this.wraparoundMode = true; | |
3787 | break; | |
3788 | case 12: | |
3789 | // this.cursorBlink = true; | |
3790 | break; | |
3791 | case 66: | |
3792 | this.log('Serial port requested application keypad.'); | |
3793 | this.applicationKeypad = true; | |
3794 | break; | |
3795 | case 9: // X10 Mouse | |
3796 | // no release, no motion, no wheel, no modifiers. | |
3797 | case 1000: // vt200 mouse | |
3798 | // no motion. | |
3799 | // no modifiers, except control on the wheel. | |
3800 | case 1002: // button event mouse | |
3801 | case 1003: // any event mouse | |
3802 | // any event - sends motion events, | |
3803 | // even if there is no button held down. | |
3804 | this.x10Mouse = params === 9; | |
3805 | this.vt200Mouse = params === 1000; | |
3806 | this.normalMouse = params > 1000; | |
3807 | this.mouseEvents = true; | |
3808 | this.element.style.cursor = 'default'; | |
3809 | this.log('Binding to mouse events.'); | |
3810 | break; | |
3811 | case 1004: // send focusin/focusout events | |
3812 | // focusin: ^[[I | |
3813 | // focusout: ^[[O | |
3814 | this.sendFocus = true; | |
3815 | break; | |
3816 | case 1005: // utf8 ext mode mouse | |
3817 | this.utfMouse = true; | |
3818 | // for wide terminals | |
3819 | // simply encodes large values as utf8 characters | |
3820 | break; | |
3821 | case 1006: // sgr ext mode mouse | |
3822 | this.sgrMouse = true; | |
3823 | // for wide terminals | |
3824 | // does not add 32 to fields | |
3825 | // press: ^[[<b;x;yM | |
3826 | // release: ^[[<b;x;ym | |
3827 | break; | |
3828 | case 1015: // urxvt ext mode mouse | |
3829 | this.urxvtMouse = true; | |
3830 | // for wide terminals | |
3831 | // numbers for fields | |
3832 | // press: ^[[b;x;yM | |
3833 | // motion: ^[[b;x;yT | |
3834 | break; | |
3835 | case 25: // show cursor | |
3836 | this.cursorHidden = false; | |
3837 | break; | |
3838 | case 1049: // alt screen buffer cursor | |
3839 | //this.saveCursor(); | |
3840 | ; // FALL-THROUGH | |
3841 | case 47: // alt screen buffer | |
3842 | case 1047: // alt screen buffer | |
3843 | if (!this.normal) { | |
3844 | var normal = { | |
3845 | lines: this.lines, | |
3846 | ybase: this.ybase, | |
3847 | ydisp: this.ydisp, | |
3848 | x: this.x, | |
3849 | y: this.y, | |
3850 | scrollTop: this.scrollTop, | |
3851 | scrollBottom: this.scrollBottom, | |
3852 | tabs: this.tabs | |
3853 | // XXX save charset(s) here? | |
3854 | // charset: this.charset, | |
3855 | // glevel: this.glevel, | |
3856 | // charsets: this.charsets | |
3857 | }; | |
3858 | this.reset(); | |
3859 | this.normal = normal; | |
3860 | this.showCursor(); | |
3861 | } | |
3862 | break; | |
3863 | } | |
3864 | } | |
3865 | }; | |
3866 | ||
3867 | // CSI Pm l Reset Mode (RM). | |
3868 | // Ps = 2 -> Keyboard Action Mode (AM). | |
3869 | // Ps = 4 -> Replace Mode (IRM). | |
3870 | // Ps = 1 2 -> Send/receive (SRM). | |
3871 | // Ps = 2 0 -> Normal Linefeed (LNM). | |
3872 | // CSI ? Pm l | |
3873 | // DEC Private Mode Reset (DECRST). | |
3874 | // Ps = 1 -> Normal Cursor Keys (DECCKM). | |
3875 | // Ps = 2 -> Designate VT52 mode (DECANM). | |
3876 | // Ps = 3 -> 80 Column Mode (DECCOLM). | |
3877 | // Ps = 4 -> Jump (Fast) Scroll (DECSCLM). | |
3878 | // Ps = 5 -> Normal Video (DECSCNM). | |
3879 | // Ps = 6 -> Normal Cursor Mode (DECOM). | |
3880 | // Ps = 7 -> No Wraparound Mode (DECAWM). | |
3881 | // Ps = 8 -> No Auto-repeat Keys (DECARM). | |
3882 | // Ps = 9 -> Don't send Mouse X & Y on button press. | |
3883 | // Ps = 1 0 -> Hide toolbar (rxvt). | |
3884 | // Ps = 1 2 -> Stop Blinking Cursor (att610). | |
3885 | // Ps = 1 8 -> Don't print form feed (DECPFF). | |
3886 | // Ps = 1 9 -> Limit print to scrolling region (DECPEX). | |
3887 | // Ps = 2 5 -> Hide Cursor (DECTCEM). | |
3888 | // Ps = 3 0 -> Don't show scrollbar (rxvt). | |
3889 | // Ps = 3 5 -> Disable font-shifting functions (rxvt). | |
3890 | // Ps = 4 0 -> Disallow 80 -> 132 Mode. | |
3891 | // Ps = 4 1 -> No more(1) fix (see curses resource). | |
3892 | // Ps = 4 2 -> Disable Nation Replacement Character sets (DEC- | |
3893 | // NRCM). | |
3894 | // Ps = 4 4 -> Turn Off Margin Bell. | |
3895 | // Ps = 4 5 -> No Reverse-wraparound Mode. | |
3896 | // Ps = 4 6 -> Stop Logging. (This is normally disabled by a | |
3897 | // compile-time option). | |
3898 | // Ps = 4 7 -> Use Normal Screen Buffer. | |
3899 | // Ps = 6 6 -> Numeric keypad (DECNKM). | |
3900 | // Ps = 6 7 -> Backarrow key sends delete (DECBKM). | |
3901 | // Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and | |
3902 | // release. See the section Mouse Tracking. | |
3903 | // Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking. | |
3904 | // Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking. | |
3905 | // Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking. | |
3906 | // Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events. | |
3907 | // Ps = 1 0 0 5 -> Disable Extended Mouse Mode. | |
3908 | // Ps = 1 0 1 0 -> Don't scroll to bottom on tty output | |
3909 | // (rxvt). | |
3910 | // Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt). | |
3911 | // Ps = 1 0 3 4 -> Don't interpret "meta" key. (This disables | |
3912 | // the eightBitInput resource). | |
3913 | // Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num- | |
3914 | // Lock keys. (This disables the numLock resource). | |
3915 | // Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key. | |
3916 | // (This disables the metaSendsEscape resource). | |
3917 | // Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad | |
3918 | // Delete key. | |
3919 | // Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key. | |
3920 | // (This disables the altSendsEscape resource). | |
3921 | // Ps = 1 0 4 0 -> Do not keep selection when not highlighted. | |
3922 | // (This disables the keepSelection resource). | |
3923 | // Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables | |
3924 | // the selectToClipboard resource). | |
3925 | // Ps = 1 0 4 2 -> Disable Urgency window manager hint when | |
3926 | // Control-G is received. (This disables the bellIsUrgent | |
3927 | // resource). | |
3928 | // Ps = 1 0 4 3 -> Disable raising of the window when Control- | |
3929 | // G is received. (This disables the popOnBell resource). | |
3930 | // Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen | |
3931 | // first if in the Alternate Screen. (This may be disabled by | |
3932 | // the titeInhibit resource). | |
3933 | // Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be | |
3934 | // disabled by the titeInhibit resource). | |
3935 | // Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor | |
3936 | // as in DECRC. (This may be disabled by the titeInhibit | |
3937 | // resource). This combines the effects of the 1 0 4 7 and 1 0 | |
3938 | // 4 8 modes. Use this with terminfo-based applications rather | |
3939 | // than the 4 7 mode. | |
3940 | // Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode. | |
3941 | // Ps = 1 0 5 1 -> Reset Sun function-key mode. | |
3942 | // Ps = 1 0 5 2 -> Reset HP function-key mode. | |
3943 | // Ps = 1 0 5 3 -> Reset SCO function-key mode. | |
3944 | // Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6). | |
3945 | // Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style. | |
3946 | // Ps = 2 0 0 4 -> Reset bracketed paste mode. | |
3947 | Terminal.prototype.resetMode = function(params) { | |
3948 | if (typeof params === 'object') { | |
3949 | var l = params.length | |
3950 | , i = 0; | |
3951 | ||
3952 | for (; i < l; i++) { | |
3953 | this.resetMode(params[i]); | |
3954 | } | |
3955 | ||
3956 | return; | |
3957 | } | |
3958 | ||
3959 | if (!this.prefix) { | |
3960 | switch (params) { | |
3961 | case 4: | |
3962 | this.insertMode = false; | |
3963 | break; | |
3964 | case 20: | |
3965 | //this.convertEol = false; | |
3966 | break; | |
3967 | } | |
3968 | } else if (this.prefix === '?') { | |
3969 | switch (params) { | |
3970 | case 1: | |
3971 | this.applicationCursor = false; | |
3972 | break; | |
3973 | case 3: | |
3974 | if (this.cols === 132 && this.savedCols) { | |
3975 | this.resize(this.savedCols, this.rows); | |
3976 | } | |
3977 | delete this.savedCols; | |
3978 | break; | |
3979 | case 6: | |
3980 | this.originMode = false; | |
3981 | break; | |
3982 | case 7: | |
3983 | this.wraparoundMode = false; | |
3984 | break; | |
3985 | case 12: | |
3986 | // this.cursorBlink = false; | |
3987 | break; | |
3988 | case 66: | |
3989 | this.log('Switching back to normal keypad.'); | |
3990 | this.applicationKeypad = false; | |
3991 | break; | |
3992 | case 9: // X10 Mouse | |
3993 | case 1000: // vt200 mouse | |
3994 | case 1002: // button event mouse | |
3995 | case 1003: // any event mouse | |
3996 | this.x10Mouse = false; | |
3997 | this.vt200Mouse = false; | |
3998 | this.normalMouse = false; | |
3999 | this.mouseEvents = false; | |
4000 | this.element.style.cursor = ''; | |
4001 | break; | |
4002 | case 1004: // send focusin/focusout events | |
4003 | this.sendFocus = false; | |
4004 | break; | |
4005 | case 1005: // utf8 ext mode mouse | |
4006 | this.utfMouse = false; | |
4007 | break; | |
4008 | case 1006: // sgr ext mode mouse | |
4009 | this.sgrMouse = false; | |
4010 | break; | |
4011 | case 1015: // urxvt ext mode mouse | |
4012 | this.urxvtMouse = false; | |
4013 | break; | |
4014 | case 25: // hide cursor | |
4015 | this.cursorHidden = true; | |
4016 | break; | |
4017 | case 1049: // alt screen buffer cursor | |
4018 | ; // FALL-THROUGH | |
4019 | case 47: // normal screen buffer | |
4020 | case 1047: // normal screen buffer - clearing it first | |
4021 | if (this.normal) { | |
4022 | this.lines = this.normal.lines; | |
4023 | this.ybase = this.normal.ybase; | |
4024 | this.ydisp = this.normal.ydisp; | |
4025 | this.x = this.normal.x; | |
4026 | this.y = this.normal.y; | |
4027 | this.scrollTop = this.normal.scrollTop; | |
4028 | this.scrollBottom = this.normal.scrollBottom; | |
4029 | this.tabs = this.normal.tabs; | |
4030 | this.normal = null; | |
4031 | // if (params === 1049) { | |
4032 | // this.x = this.savedX; | |
4033 | // this.y = this.savedY; | |
4034 | // } | |
4035 | this.refresh(0, this.rows - 1); | |
4036 | this.showCursor(); | |
4037 | } | |
4038 | break; | |
4039 | } | |
4040 | } | |
4041 | }; | |
4042 | ||
4043 | // CSI Ps ; Ps r | |
4044 | // Set Scrolling Region [top;bottom] (default = full size of win- | |
4045 | // dow) (DECSTBM). | |
4046 | // CSI ? Pm r | |
4047 | Terminal.prototype.setScrollRegion = function(params) { | |
4048 | if (this.prefix) return; | |
4049 | this.scrollTop = (params[0] || 1) - 1; | |
4050 | this.scrollBottom = (params[1] || this.rows) - 1; | |
4051 | this.x = 0; | |
4052 | this.y = 0; | |
4053 | }; | |
4054 | ||
4055 | // CSI s | |
4056 | // Save cursor (ANSI.SYS). | |
4057 | Terminal.prototype.saveCursor = function(params) { | |
4058 | this.savedX = this.x; | |
4059 | this.savedY = this.y; | |
4060 | }; | |
4061 | ||
4062 | // CSI u | |
4063 | // Restore cursor (ANSI.SYS). | |
4064 | Terminal.prototype.restoreCursor = function(params) { | |
4065 | this.x = this.savedX || 0; | |
4066 | this.y = this.savedY || 0; | |
4067 | }; | |
4068 | ||
4069 | /** | |
4070 | * Lesser Used | |
4071 | */ | |
4072 | ||
4073 | // CSI Ps I | |
4074 | // Cursor Forward Tabulation Ps tab stops (default = 1) (CHT). | |
4075 | Terminal.prototype.cursorForwardTab = function(params) { | |
4076 | var param = params[0] || 1; | |
4077 | while (param--) { | |
4078 | this.x = this.nextStop(); | |
4079 | } | |
4080 | }; | |
4081 | ||
4082 | // CSI Ps S Scroll up Ps lines (default = 1) (SU). | |
4083 | Terminal.prototype.scrollUp = function(params) { | |
4084 | var param = params[0] || 1; | |
4085 | while (param--) { | |
4086 | this.lines.splice(this.ybase + this.scrollTop, 1); | |
4087 | this.lines.splice(this.ybase + this.scrollBottom, 0, this.blankLine()); | |
4088 | } | |
4089 | // this.maxRange(); | |
4090 | this.updateRange(this.scrollTop); | |
4091 | this.updateRange(this.scrollBottom); | |
4092 | }; | |
4093 | ||
4094 | // CSI Ps T Scroll down Ps lines (default = 1) (SD). | |
4095 | Terminal.prototype.scrollDown = function(params) { | |
4096 | var param = params[0] || 1; | |
4097 | while (param--) { | |
4098 | this.lines.splice(this.ybase + this.scrollBottom, 1); | |
4099 | this.lines.splice(this.ybase + this.scrollTop, 0, this.blankLine()); | |
4100 | } | |
4101 | // this.maxRange(); | |
4102 | this.updateRange(this.scrollTop); | |
4103 | this.updateRange(this.scrollBottom); | |
4104 | }; | |
4105 | ||
4106 | // CSI Ps ; Ps ; Ps ; Ps ; Ps T | |
4107 | // Initiate highlight mouse tracking. Parameters are | |
4108 | // [func;startx;starty;firstrow;lastrow]. See the section Mouse | |
4109 | // Tracking. | |
4110 | Terminal.prototype.initMouseTracking = function(params) { | |
4111 | // Relevant: DECSET 1001 | |
4112 | }; | |
4113 | ||
4114 | // CSI > Ps; Ps T | |
4115 | // Reset one or more features of the title modes to the default | |
4116 | // value. Normally, "reset" disables the feature. It is possi- | |
4117 | // ble to disable the ability to reset features by compiling a | |
4118 | // different default for the title modes into xterm. | |
4119 | // Ps = 0 -> Do not set window/icon labels using hexadecimal. | |
4120 | // Ps = 1 -> Do not query window/icon labels using hexadeci- | |
4121 | // mal. | |
4122 | // Ps = 2 -> Do not set window/icon labels using UTF-8. | |
4123 | // Ps = 3 -> Do not query window/icon labels using UTF-8. | |
4124 | // (See discussion of "Title Modes"). | |
4125 | Terminal.prototype.resetTitleModes = function(params) { | |
4126 | ; | |
4127 | }; | |
4128 | ||
4129 | // CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT). | |
4130 | Terminal.prototype.cursorBackwardTab = function(params) { | |
4131 | var param = params[0] || 1; | |
4132 | while (param--) { | |
4133 | this.x = this.prevStop(); | |
4134 | } | |
4135 | }; | |
4136 | ||
4137 | // CSI Ps b Repeat the preceding graphic character Ps times (REP). | |
4138 | Terminal.prototype.repeatPrecedingCharacter = function(params) { | |
4139 | var param = params[0] || 1 | |
4140 | , line = this.lines[this.ybase + this.y] | |
4141 | , ch = line[this.x - 1] || [this.defAttr, ' ']; | |
4142 | ||
4143 | while (param--) line[this.x++] = ch; | |
4144 | }; | |
4145 | ||
4146 | // CSI Ps g Tab Clear (TBC). | |
4147 | // Ps = 0 -> Clear Current Column (default). | |
4148 | // Ps = 3 -> Clear All. | |
4149 | // Potentially: | |
4150 | // Ps = 2 -> Clear Stops on Line. | |
4151 | // http://vt100.net/annarbor/aaa-ug/section6.html | |
4152 | Terminal.prototype.tabClear = function(params) { | |
4153 | var param = params[0]; | |
4154 | if (param <= 0) { | |
4155 | delete this.tabs[this.x]; | |
4156 | } else if (param === 3) { | |
4157 | this.tabs = {}; | |
4158 | } | |
4159 | }; | |
4160 | ||
4161 | // CSI Pm i Media Copy (MC). | |
4162 | // Ps = 0 -> Print screen (default). | |
4163 | // Ps = 4 -> Turn off printer controller mode. | |
4164 | // Ps = 5 -> Turn on printer controller mode. | |
4165 | // CSI ? Pm i | |
4166 | // Media Copy (MC, DEC-specific). | |
4167 | // Ps = 1 -> Print line containing cursor. | |
4168 | // Ps = 4 -> Turn off autoprint mode. | |
4169 | // Ps = 5 -> Turn on autoprint mode. | |
4170 | // Ps = 1 0 -> Print composed display, ignores DECPEX. | |
4171 | // Ps = 1 1 -> Print all pages. | |
4172 | Terminal.prototype.mediaCopy = function(params) { | |
4173 | ; | |
4174 | }; | |
4175 | ||
4176 | // CSI > Ps; Ps m | |
4177 | // Set or reset resource-values used by xterm to decide whether | |
4178 | // to construct escape sequences holding information about the | |
4179 | // modifiers pressed with a given key. The first parameter iden- | |
4180 | // tifies the resource to set/reset. The second parameter is the | |
4181 | // value to assign to the resource. If the second parameter is | |
4182 | // omitted, the resource is reset to its initial value. | |
4183 | // Ps = 1 -> modifyCursorKeys. | |
4184 | // Ps = 2 -> modifyFunctionKeys. | |
4185 | // Ps = 4 -> modifyOtherKeys. | |
4186 | // If no parameters are given, all resources are reset to their | |
4187 | // initial values. | |
4188 | Terminal.prototype.setResources = function(params) { | |
4189 | ; | |
4190 | }; | |
4191 | ||
4192 | // CSI > Ps n | |
4193 | // Disable modifiers which may be enabled via the CSI > Ps; Ps m | |
4194 | // sequence. This corresponds to a resource value of "-1", which | |
4195 | // cannot be set with the other sequence. The parameter identi- | |
4196 | // fies the resource to be disabled: | |
4197 | // Ps = 1 -> modifyCursorKeys. | |
4198 | // Ps = 2 -> modifyFunctionKeys. | |
4199 | // Ps = 4 -> modifyOtherKeys. | |
4200 | // If the parameter is omitted, modifyFunctionKeys is disabled. | |
4201 | // When modifyFunctionKeys is disabled, xterm uses the modifier | |
4202 | // keys to make an extended sequence of functions rather than | |
4203 | // adding a parameter to each function key to denote the modi- | |
4204 | // fiers. | |
4205 | Terminal.prototype.disableModifiers = function(params) { | |
4206 | ; | |
4207 | }; | |
4208 | ||
4209 | // CSI > Ps p | |
4210 | // Set resource value pointerMode. This is used by xterm to | |
4211 | // decide whether to hide the pointer cursor as the user types. | |
4212 | // Valid values for the parameter: | |
4213 | // Ps = 0 -> never hide the pointer. | |
4214 | // Ps = 1 -> hide if the mouse tracking mode is not enabled. | |
4215 | // Ps = 2 -> always hide the pointer. If no parameter is | |
4216 | // given, xterm uses the default, which is 1 . | |
4217 | Terminal.prototype.setPointerMode = function(params) { | |
4218 | ; | |
4219 | }; | |
4220 | ||
4221 | // CSI ! p Soft terminal reset (DECSTR). | |
4222 | // http://vt100.net/docs/vt220-rm/table4-10.html | |
4223 | Terminal.prototype.softReset = function(params) { | |
4224 | this.cursorHidden = false; | |
4225 | this.insertMode = false; | |
4226 | this.originMode = false; | |
4227 | this.wraparoundMode = false; // autowrap | |
4228 | this.applicationKeypad = false; // ? | |
4229 | this.applicationCursor = false; | |
4230 | this.scrollTop = 0; | |
4231 | this.scrollBottom = this.rows - 1; | |
4232 | this.curAttr = this.defAttr; | |
4233 | this.x = this.y = 0; // ? | |
4234 | this.charset = null; | |
4235 | this.glevel = 0; // ?? | |
4236 | this.charsets = [null]; // ?? | |
4237 | }; | |
4238 | ||
4239 | // CSI Ps$ p | |
4240 | // Request ANSI mode (DECRQM). For VT300 and up, reply is | |
4241 | // CSI Ps; Pm$ y | |
4242 | // where Ps is the mode number as in RM, and Pm is the mode | |
4243 | // value: | |
4244 | // 0 - not recognized | |
4245 | // 1 - set | |
4246 | // 2 - reset | |
4247 | // 3 - permanently set | |
4248 | // 4 - permanently reset | |
4249 | Terminal.prototype.requestAnsiMode = function(params) { | |
4250 | ; | |
4251 | }; | |
4252 | ||
4253 | // CSI ? Ps$ p | |
4254 | // Request DEC private mode (DECRQM). For VT300 and up, reply is | |
4255 | // CSI ? Ps; Pm$ p | |
4256 | // where Ps is the mode number as in DECSET, Pm is the mode value | |
4257 | // as in the ANSI DECRQM. | |
4258 | Terminal.prototype.requestPrivateMode = function(params) { | |
4259 | ; | |
4260 | }; | |
4261 | ||
4262 | // CSI Ps ; Ps " p | |
4263 | // Set conformance level (DECSCL). Valid values for the first | |
4264 | // parameter: | |
4265 | // Ps = 6 1 -> VT100. | |
4266 | // Ps = 6 2 -> VT200. | |
4267 | // Ps = 6 3 -> VT300. | |
4268 | // Valid values for the second parameter: | |
4269 | // Ps = 0 -> 8-bit controls. | |
4270 | // Ps = 1 -> 7-bit controls (always set for VT100). | |
4271 | // Ps = 2 -> 8-bit controls. | |
4272 | Terminal.prototype.setConformanceLevel = function(params) { | |
4273 | ; | |
4274 | }; | |
4275 | ||
4276 | // CSI Ps q Load LEDs (DECLL). | |
4277 | // Ps = 0 -> Clear all LEDS (default). | |
4278 | // Ps = 1 -> Light Num Lock. | |
4279 | // Ps = 2 -> Light Caps Lock. | |
4280 | // Ps = 3 -> Light Scroll Lock. | |
4281 | // Ps = 2 1 -> Extinguish Num Lock. | |
4282 | // Ps = 2 2 -> Extinguish Caps Lock. | |
4283 | // Ps = 2 3 -> Extinguish Scroll Lock. | |
4284 | Terminal.prototype.loadLEDs = function(params) { | |
4285 | ; | |
4286 | }; | |
4287 | ||
4288 | // CSI Ps SP q | |
4289 | // Set cursor style (DECSCUSR, VT520). | |
4290 | // Ps = 0 -> blinking block. | |
4291 | // Ps = 1 -> blinking block (default). | |
4292 | // Ps = 2 -> steady block. | |
4293 | // Ps = 3 -> blinking underline. | |
4294 | // Ps = 4 -> steady underline. | |
4295 | Terminal.prototype.setCursorStyle = function(params) { | |
4296 | ; | |
4297 | }; | |
4298 | ||
4299 | // CSI Ps " q | |
4300 | // Select character protection attribute (DECSCA). Valid values | |
4301 | // for the parameter: | |
4302 | // Ps = 0 -> DECSED and DECSEL can erase (default). | |
4303 | // Ps = 1 -> DECSED and DECSEL cannot erase. | |
4304 | // Ps = 2 -> DECSED and DECSEL can erase. | |
4305 | Terminal.prototype.setCharProtectionAttr = function(params) { | |
4306 | ; | |
4307 | }; | |
4308 | ||
4309 | // CSI ? Pm r | |
4310 | // Restore DEC Private Mode Values. The value of Ps previously | |
4311 | // saved is restored. Ps values are the same as for DECSET. | |
4312 | Terminal.prototype.restorePrivateValues = function(params) { | |
4313 | ; | |
4314 | }; | |
4315 | ||
4316 | // CSI Pt; Pl; Pb; Pr; Ps$ r | |
4317 | // Change Attributes in Rectangular Area (DECCARA), VT400 and up. | |
4318 | // Pt; Pl; Pb; Pr denotes the rectangle. | |
4319 | // Ps denotes the SGR attributes to change: 0, 1, 4, 5, 7. | |
4320 | // NOTE: xterm doesn't enable this code by default. | |
4321 | Terminal.prototype.setAttrInRectangle = function(params) { | |
4322 | var t = params[0] | |
4323 | , l = params[1] | |
4324 | , b = params[2] | |
4325 | , r = params[3] | |
4326 | , attr = params[4]; | |
4327 | ||
4328 | var line | |
4329 | , i; | |
4330 | ||
4331 | for (; t < b + 1; t++) { | |
4332 | line = this.lines[this.ybase + t]; | |
4333 | for (i = l; i < r; i++) { | |
4334 | line[i] = [attr, line[i][1]]; | |
4335 | } | |
4336 | } | |
4337 | ||
4338 | // this.maxRange(); | |
4339 | this.updateRange(params[0]); | |
4340 | this.updateRange(params[2]); | |
4341 | }; | |
4342 | ||
4343 | ||
4344 | // CSI Pc; Pt; Pl; Pb; Pr$ x | |
4345 | // Fill Rectangular Area (DECFRA), VT420 and up. | |
4346 | // Pc is the character to use. | |
4347 | // Pt; Pl; Pb; Pr denotes the rectangle. | |
4348 | // NOTE: xterm doesn't enable this code by default. | |
4349 | Terminal.prototype.fillRectangle = function(params) { | |
4350 | var ch = params[0] | |
4351 | , t = params[1] | |
4352 | , l = params[2] | |
4353 | , b = params[3] | |
4354 | , r = params[4]; | |
4355 | ||
4356 | var line | |
4357 | , i; | |
4358 | ||
4359 | for (; t < b + 1; t++) { | |
4360 | line = this.lines[this.ybase + t]; | |
4361 | for (i = l; i < r; i++) { | |
4362 | line[i] = [line[i][0], String.fromCharCode(ch)]; | |
4363 | } | |
4364 | } | |
4365 | ||
4366 | // this.maxRange(); | |
4367 | this.updateRange(params[1]); | |
4368 | this.updateRange(params[3]); | |
4369 | }; | |
4370 | ||
4371 | // CSI Ps ; Pu ' z | |
4372 | // Enable Locator Reporting (DECELR). | |
4373 | // Valid values for the first parameter: | |
4374 | // Ps = 0 -> Locator disabled (default). | |
4375 | // Ps = 1 -> Locator enabled. | |
4376 | // Ps = 2 -> Locator enabled for one report, then disabled. | |
4377 | // The second parameter specifies the coordinate unit for locator | |
4378 | // reports. | |
4379 | // Valid values for the second parameter: | |
4380 | // Pu = 0 <- or omitted -> default to character cells. | |
4381 | // Pu = 1 <- device physical pixels. | |
4382 | // Pu = 2 <- character cells. | |
4383 | Terminal.prototype.enableLocatorReporting = function(params) { | |
4384 | var val = params[0] > 0; | |
4385 | //this.mouseEvents = val; | |
4386 | //this.decLocator = val; | |
4387 | }; | |
4388 | ||
4389 | // CSI Pt; Pl; Pb; Pr$ z | |
4390 | // Erase Rectangular Area (DECERA), VT400 and up. | |
4391 | // Pt; Pl; Pb; Pr denotes the rectangle. | |
4392 | // NOTE: xterm doesn't enable this code by default. | |
4393 | Terminal.prototype.eraseRectangle = function(params) { | |
4394 | var t = params[0] | |
4395 | , l = params[1] | |
4396 | , b = params[2] | |
4397 | , r = params[3]; | |
4398 | ||
4399 | var line | |
4400 | , i | |
4401 | , ch; | |
4402 | ||
4403 | ch = [this.eraseAttr(), ' ']; // xterm? | |
4404 | ||
4405 | for (; t < b + 1; t++) { | |
4406 | line = this.lines[this.ybase + t]; | |
4407 | for (i = l; i < r; i++) { | |
4408 | line[i] = ch; | |
4409 | } | |
4410 | } | |
4411 | ||
4412 | // this.maxRange(); | |
4413 | this.updateRange(params[0]); | |
4414 | this.updateRange(params[2]); | |
4415 | }; | |
8bc844c0 | 4416 | |
8bc844c0 | 4417 | |
3f455f90 PK |
4418 | // CSI P m SP } |
4419 | // Insert P s Column(s) (default = 1) (DECIC), VT420 and up. | |
4420 | // NOTE: xterm doesn't enable this code by default. | |
4421 | Terminal.prototype.insertColumns = function() { | |
4422 | var param = params[0] | |
4423 | , l = this.ybase + this.rows | |
4424 | , ch = [this.eraseAttr(), ' '] // xterm? | |
4425 | , i; | |
8bc844c0 | 4426 | |
3f455f90 PK |
4427 | while (param--) { |
4428 | for (i = this.ybase; i < l; i++) { | |
4429 | this.lines[i].splice(this.x + 1, 0, ch); | |
4430 | this.lines[i].pop(); | |
8bc844c0 | 4431 | } |
3f455f90 | 4432 | } |
8bc844c0 | 4433 | |
3f455f90 PK |
4434 | this.maxRange(); |
4435 | }; | |
8bc844c0 | 4436 | |
178b611b | 4437 | |
3f455f90 PK |
4438 | // CSI P m SP ~ |
4439 | // Delete P s Column(s) (default = 1) (DECDC), VT420 and up | |
4440 | // NOTE: xterm doesn't enable this code by default. | |
4441 | Terminal.prototype.deleteColumns = function() { | |
4442 | var param = params[0] | |
4443 | , l = this.ybase + this.rows | |
4444 | , ch = [this.eraseAttr(), ' '] // xterm? | |
4445 | , i; | |
4446 | ||
4447 | while (param--) { | |
4448 | for (i = this.ybase; i < l; i++) { | |
4449 | this.lines[i].splice(this.x, 1); | |
4450 | this.lines[i].push(ch); | |
4451 | } | |
4452 | } | |
8bc844c0 | 4453 | |
3f455f90 PK |
4454 | this.maxRange(); |
4455 | }; | |
8bc844c0 | 4456 | |
3f455f90 PK |
4457 | /** |
4458 | * Character Sets | |
4459 | */ | |
4460 | ||
4461 | Terminal.charsets = {}; | |
4462 | ||
4463 | // DEC Special Character and Line Drawing Set. | |
4464 | // http://vt100.net/docs/vt102-ug/table5-13.html | |
4465 | // A lot of curses apps use this if they see TERM=xterm. | |
4466 | // testing: echo -e '\e(0a\e(B' | |
4467 | // The xterm output sometimes seems to conflict with the | |
4468 | // reference above. xterm seems in line with the reference | |
4469 | // when running vttest however. | |
4470 | // The table below now uses xterm's output from vttest. | |
4471 | Terminal.charsets.SCLD = { // (0 | |
4472 | '`': '\u25c6', // '◆' | |
4473 | 'a': '\u2592', // '▒' | |
4474 | 'b': '\u0009', // '\t' | |
4475 | 'c': '\u000c', // '\f' | |
4476 | 'd': '\u000d', // '\r' | |
4477 | 'e': '\u000a', // '\n' | |
4478 | 'f': '\u00b0', // '°' | |
4479 | 'g': '\u00b1', // '±' | |
4480 | 'h': '\u2424', // '\u2424' (NL) | |
4481 | 'i': '\u000b', // '\v' | |
4482 | 'j': '\u2518', // '┘' | |
4483 | 'k': '\u2510', // '┐' | |
4484 | 'l': '\u250c', // '┌' | |
4485 | 'm': '\u2514', // '└' | |
4486 | 'n': '\u253c', // '┼' | |
4487 | 'o': '\u23ba', // '⎺' | |
4488 | 'p': '\u23bb', // '⎻' | |
4489 | 'q': '\u2500', // '─' | |
4490 | 'r': '\u23bc', // '⎼' | |
4491 | 's': '\u23bd', // '⎽' | |
4492 | 't': '\u251c', // '├' | |
4493 | 'u': '\u2524', // '┤' | |
4494 | 'v': '\u2534', // '┴' | |
4495 | 'w': '\u252c', // '┬' | |
4496 | 'x': '\u2502', // '│' | |
4497 | 'y': '\u2264', // '≤' | |
4498 | 'z': '\u2265', // '≥' | |
4499 | '{': '\u03c0', // 'π' | |
4500 | '|': '\u2260', // '≠' | |
4501 | '}': '\u00a3', // '£' | |
4502 | '~': '\u00b7' // '·' | |
4503 | }; | |
4504 | ||
4505 | Terminal.charsets.UK = null; // (A | |
4506 | Terminal.charsets.US = null; // (B (USASCII) | |
4507 | Terminal.charsets.Dutch = null; // (4 | |
4508 | Terminal.charsets.Finnish = null; // (C or (5 | |
4509 | Terminal.charsets.French = null; // (R | |
4510 | Terminal.charsets.FrenchCanadian = null; // (Q | |
4511 | Terminal.charsets.German = null; // (K | |
4512 | Terminal.charsets.Italian = null; // (Y | |
4513 | Terminal.charsets.NorwegianDanish = null; // (E or (6 | |
4514 | Terminal.charsets.Spanish = null; // (Z | |
4515 | Terminal.charsets.Swedish = null; // (H or (7 | |
4516 | Terminal.charsets.Swiss = null; // (= | |
4517 | Terminal.charsets.ISOLatin = null; // /A | |
4518 | ||
4519 | /** | |
4520 | * Helpers | |
4521 | */ | |
4522 | ||
b01165c1 | 4523 | function contains(el, arr) { |
4524 | for (var i = 0; i < arr.length; i += 1) { | |
4525 | if (el === arr[i]) { | |
4526 | return true; | |
4527 | } | |
4528 | } | |
4529 | return false; | |
4530 | } | |
4531 | ||
3f455f90 PK |
4532 | function on(el, type, handler, capture) { |
4533 | if (!Array.isArray(el)) { | |
4534 | el = [el]; | |
9e6cb6b6 | 4535 | } |
3f455f90 PK |
4536 | el.forEach(function (element) { |
4537 | element.addEventListener(type, handler, capture || false); | |
4538 | }); | |
9e6cb6b6 | 4539 | } |
8bc844c0 | 4540 | |
3f455f90 PK |
4541 | function off(el, type, handler, capture) { |
4542 | el.removeEventListener(type, handler, capture || false); | |
5d3f8786 | 4543 | } |
3f455f90 PK |
4544 | |
4545 | function cancel(ev, force) { | |
4546 | if (!this.cancelEvents && !force) { | |
4547 | return; | |
9e6cb6b6 | 4548 | } |
3f455f90 PK |
4549 | ev.preventDefault(); |
4550 | ev.stopPropagation(); | |
4551 | return false; | |
9e6cb6b6 | 4552 | } |
8bc844c0 | 4553 | |
3f455f90 PK |
4554 | function inherits(child, parent) { |
4555 | function f() { | |
4556 | this.constructor = child; | |
9e6cb6b6 | 4557 | } |
3f455f90 PK |
4558 | f.prototype = parent.prototype; |
4559 | child.prototype = new f; | |
4560 | } | |
8bc844c0 | 4561 | |
3f455f90 PK |
4562 | // if bold is broken, we can't |
4563 | // use it in the terminal. | |
4564 | function isBoldBroken(document) { | |
4565 | var body = document.getElementsByTagName('body')[0]; | |
4566 | var el = document.createElement('span'); | |
4567 | el.innerHTML = 'hello world'; | |
4568 | body.appendChild(el); | |
4569 | var w1 = el.scrollWidth; | |
4570 | el.style.fontWeight = 'bold'; | |
4571 | var w2 = el.scrollWidth; | |
4572 | body.removeChild(el); | |
4573 | return w1 !== w2; | |
4574 | } | |
8bc844c0 | 4575 | |
3f455f90 PK |
4576 | var String = this.String; |
4577 | var setTimeout = this.setTimeout; | |
4578 | var setInterval = this.setInterval; | |
4579 | ||
4580 | function indexOf(obj, el) { | |
4581 | var i = obj.length; | |
4582 | while (i--) { | |
4583 | if (obj[i] === el) return i; | |
9e6cb6b6 | 4584 | } |
3f455f90 | 4585 | return -1; |
9e6cb6b6 | 4586 | } |
8bc844c0 | 4587 | |
b01165c1 | 4588 | function isThirdLevelShift(term, ev) { |
4589 | var thirdLevelKey = | |
4590 | (term.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) || | |
4591 | (term.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey); | |
4592 | ||
4593 | // Don't invoke for arrows, pageDown, home, backspace, etc. | |
4594 | return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47); | |
4595 | } | |
4596 | ||
3f455f90 PK |
4597 | function isWide(ch) { |
4598 | if (ch <= '\uff00') return false; | |
4599 | return (ch >= '\uff01' && ch <= '\uffbe') | |
4600 | || (ch >= '\uffc2' && ch <= '\uffc7') | |
4601 | || (ch >= '\uffca' && ch <= '\uffcf') | |
4602 | || (ch >= '\uffd2' && ch <= '\uffd7') | |
4603 | || (ch >= '\uffda' && ch <= '\uffdc') | |
4604 | || (ch >= '\uffe0' && ch <= '\uffe6') | |
4605 | || (ch >= '\uffe8' && ch <= '\uffee'); | |
9e6cb6b6 | 4606 | } |
8bc844c0 | 4607 | |
3f455f90 PK |
4608 | function matchColor(r1, g1, b1) { |
4609 | var hash = (r1 << 16) | (g1 << 8) | b1; | |
4610 | ||
4611 | if (matchColor._cache[hash] != null) { | |
4612 | return matchColor._cache[hash]; | |
4613 | } | |
8bc844c0 | 4614 | |
3f455f90 PK |
4615 | var ldiff = Infinity |
4616 | , li = -1 | |
4617 | , i = 0 | |
4618 | , c | |
4619 | , r2 | |
4620 | , g2 | |
4621 | , b2 | |
4622 | , diff; | |
4623 | ||
4624 | for (; i < Terminal.vcolors.length; i++) { | |
4625 | c = Terminal.vcolors[i]; | |
4626 | r2 = c[0]; | |
4627 | g2 = c[1]; | |
4628 | b2 = c[2]; | |
4629 | ||
4630 | diff = matchColor.distance(r1, g1, b1, r2, g2, b2); | |
4631 | ||
4632 | if (diff === 0) { | |
4633 | li = i; | |
4634 | break; | |
4635 | } | |
9e6cb6b6 | 4636 | |
3f455f90 PK |
4637 | if (diff < ldiff) { |
4638 | ldiff = diff; | |
4639 | li = i; | |
4640 | } | |
4641 | } | |
8bc844c0 | 4642 | |
3f455f90 PK |
4643 | return matchColor._cache[hash] = li; |
4644 | } | |
8bc844c0 | 4645 | |
3f455f90 | 4646 | matchColor._cache = {}; |
8bc844c0 | 4647 | |
3f455f90 PK |
4648 | // http://stackoverflow.com/questions/1633828 |
4649 | matchColor.distance = function(r1, g1, b1, r2, g2, b2) { | |
4650 | return Math.pow(30 * (r1 - r2), 2) | |
4651 | + Math.pow(59 * (g1 - g2), 2) | |
4652 | + Math.pow(11 * (b1 - b2), 2); | |
4653 | }; | |
8bc844c0 | 4654 | |
3f455f90 PK |
4655 | function each(obj, iter, con) { |
4656 | if (obj.forEach) return obj.forEach(iter, con); | |
4657 | for (var i = 0; i < obj.length; i++) { | |
4658 | iter.call(con, obj[i], i, obj); | |
4659 | } | |
a68c8336 CJ |
4660 | } |
4661 | ||
3f455f90 PK |
4662 | function keys(obj) { |
4663 | if (Object.keys) return Object.keys(obj); | |
4664 | var key, keys = []; | |
4665 | for (key in obj) { | |
4666 | if (Object.prototype.hasOwnProperty.call(obj, key)) { | |
4667 | keys.push(key); | |
4668 | } | |
4669 | } | |
4670 | return keys; | |
86dad1b0 | 4671 | } |
86dad1b0 | 4672 | |
3f455f90 PK |
4673 | /** |
4674 | * Expose | |
4675 | */ | |
4676 | ||
4677 | Terminal.EventEmitter = EventEmitter; | |
4678 | Terminal.inherits = inherits; | |
fd5be55d DI |
4679 | |
4680 | /** | |
4681 | * Adds an event listener to the terminal. | |
4682 | * | |
4683 | * @param {string} event The name of the event. TODO: Document all event types | |
4684 | * @param {function} callback The function to call when the event is triggered. | |
4685 | * | |
4686 | * @public | |
4687 | */ | |
3f455f90 PK |
4688 | Terminal.on = on; |
4689 | Terminal.off = off; | |
4690 | Terminal.cancel = cancel; | |
8bc844c0 | 4691 | |
3f455f90 | 4692 | return Terminal; |
987f09d8 | 4693 | }); |