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Commit | Line | Data |
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ef60e50e DI |
1 | /** |
2 | * @license MIT | |
3 | */ | |
4 | ||
04b1ebf1 | 5 | import { IInputHandler, ITerminal } from './Interfaces'; |
db81c28b | 6 | import { C0 } from './EscapeSequences'; |
aab67c2e | 7 | import { DEFAULT_CHARSET } from './Charsets'; |
04b1ebf1 | 8 | |
ef60e50e DI |
9 | /** |
10 | * The terminal's standard implementation of IInputHandler, this handles all | |
11 | * input from the Parser. | |
12 | * | |
13 | * Refer to http://invisible-island.net/xterm/ctlseqs/ctlseqs.html to understand | |
14 | * each function's header comment. | |
15 | */ | |
04b1ebf1 DI |
16 | export class InputHandler implements IInputHandler { |
17 | // TODO: We want to type _terminal when it's pulled into TS | |
18 | constructor(private _terminal: any) { } | |
19 | ||
fa3484cd DI |
20 | public addChar(char: string, code: number): void { |
21 | if (char >= ' ') { | |
22 | // calculate print space | |
23 | // expensive call, therefore we save width in line buffer | |
24 | const ch_width = wcwidth(code); | |
25 | ||
26 | if (this._terminal.charset && this._terminal.charset[char]) { | |
27 | char = this._terminal.charset[char]; | |
28 | } | |
29 | ||
bbafdd3d | 30 | let row = this._terminal.buffer.y + this._terminal.buffer.ybase; |
fa3484cd DI |
31 | |
32 | // insert combining char in last cell | |
33 | // FIXME: needs handling after cursor jumps | |
bbafdd3d | 34 | if (!ch_width && this._terminal.buffer.x) { |
fa3484cd | 35 | // dont overflow left |
bbafdd3d PK |
36 | if (this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1]) { |
37 | if (!this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1][2]) { | |
fa3484cd DI |
38 | |
39 | // found empty cell after fullwidth, need to go 2 cells back | |
bbafdd3d PK |
40 | if (this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 2]) |
41 | this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 2][1] += char; | |
fa3484cd DI |
42 | |
43 | } else { | |
bbafdd3d | 44 | this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1][1] += char; |
fa3484cd | 45 | } |
bbafdd3d | 46 | this._terminal.updateRange(this._terminal.buffer.y); |
fa3484cd DI |
47 | } |
48 | return; | |
49 | } | |
50 | ||
51 | // goto next line if ch would overflow | |
52 | // TODO: needs a global min terminal width of 2 | |
bbafdd3d | 53 | if (this._terminal.buffer.x + ch_width - 1 >= this._terminal.cols) { |
fa3484cd DI |
54 | // autowrap - DECAWM |
55 | if (this._terminal.wraparoundMode) { | |
bbafdd3d PK |
56 | this._terminal.buffer.x = 0; |
57 | this._terminal.buffer.y++; | |
4626e19b | 58 | if (this._terminal.buffer.y > this._terminal.buffer.scrollBottom) { |
bbafdd3d | 59 | this._terminal.buffer.y--; |
346b5177 | 60 | this._terminal.scroll(true); |
9b8cb03c DI |
61 | } else { |
62 | // The line already exists (eg. the initial viewport), mark it as a | |
63 | // wrapped line | |
82b3beb9 | 64 | this._terminal.buffer.lines.get(this._terminal.buffer.y).isWrapped = true; |
fa3484cd DI |
65 | } |
66 | } else { | |
fa3484cd DI |
67 | if (ch_width === 2) // FIXME: check for xterm behavior |
68 | return; | |
69 | } | |
70 | } | |
bbafdd3d | 71 | row = this._terminal.buffer.y + this._terminal.buffer.ybase; |
fa3484cd DI |
72 | |
73 | // insert mode: move characters to right | |
74 | if (this._terminal.insertMode) { | |
75 | // do this twice for a fullwidth char | |
76 | for (let moves = 0; moves < ch_width; ++moves) { | |
77 | // remove last cell, if it's width is 0 | |
78 | // we have to adjust the second last cell as well | |
bbafdd3d | 79 | const removed = this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).pop(); |
fa3484cd | 80 | if (removed[2] === 0 |
8ede1fc9 PK |
81 | && this._terminal.buffer.lines.get(row)[this._terminal.cols - 2] |
82 | && this._terminal.buffer.lines.get(row)[this._terminal.cols - 2][2] === 2) { | |
83 | this._terminal.buffer.lines.get(row)[this._terminal.cols - 2] = [this._terminal.curAttr, ' ', 1]; | |
54e7f65d | 84 | } |
fa3484cd DI |
85 | |
86 | // insert empty cell at cursor | |
bbafdd3d | 87 | this._terminal.buffer.lines.get(row).splice(this._terminal.buffer.x, 0, [this._terminal.curAttr, ' ', 1]); |
fa3484cd DI |
88 | } |
89 | } | |
90 | ||
bbafdd3d PK |
91 | this._terminal.buffer.lines.get(row)[this._terminal.buffer.x] = [this._terminal.curAttr, char, ch_width]; |
92 | this._terminal.buffer.x++; | |
93 | this._terminal.updateRange(this._terminal.buffer.y); | |
fa3484cd DI |
94 | |
95 | // fullwidth char - set next cell width to zero and advance cursor | |
96 | if (ch_width === 2) { | |
bbafdd3d PK |
97 | this._terminal.buffer.lines.get(row)[this._terminal.buffer.x] = [this._terminal.curAttr, '', 0]; |
98 | this._terminal.buffer.x++; | |
fa3484cd DI |
99 | } |
100 | } | |
101 | } | |
102 | ||
db81c28b DI |
103 | /** |
104 | * BEL | |
105 | * Bell (Ctrl-G). | |
106 | */ | |
04b1ebf1 DI |
107 | public bell(): void { |
108 | if (!this._terminal.visualBell) { | |
109 | return; | |
110 | } | |
111 | this._terminal.element.style.borderColor = 'white'; | |
112 | setTimeout(() => this._terminal.element.style.borderColor = '', 10); | |
113 | if (this._terminal.popOnBell) { | |
114 | this._terminal.focus(); | |
115 | } | |
116 | } | |
117 | ||
db81c28b DI |
118 | /** |
119 | * LF | |
120 | * Line Feed or New Line (NL). (LF is Ctrl-J). | |
121 | */ | |
04b1ebf1 DI |
122 | public lineFeed(): void { |
123 | if (this._terminal.convertEol) { | |
bbafdd3d | 124 | this._terminal.buffer.x = 0; |
04b1ebf1 | 125 | } |
bbafdd3d | 126 | this._terminal.buffer.y++; |
4626e19b | 127 | if (this._terminal.buffer.y > this._terminal.buffer.scrollBottom) { |
bbafdd3d | 128 | this._terminal.buffer.y--; |
04b1ebf1 DI |
129 | this._terminal.scroll(); |
130 | } | |
5850cbcd | 131 | // If the end of the line is hit, prevent this action from wrapping around to the next line. |
bbafdd3d PK |
132 | if (this._terminal.buffer.x >= this._terminal.cols) { |
133 | this._terminal.buffer.x--; | |
99fbcd3d | 134 | } |
23dd3d7a | 135 | /** |
136 | * This event is emitted whenever the terminal outputs a LF or NL. | |
137 | * | |
138 | * @event lineFeed | |
139 | */ | |
79965708 | 140 | this._terminal.emit('lineFeed'); |
04b1ebf1 DI |
141 | } |
142 | ||
db81c28b DI |
143 | /** |
144 | * CR | |
145 | * Carriage Return (Ctrl-M). | |
146 | */ | |
04b1ebf1 | 147 | public carriageReturn(): void { |
bbafdd3d | 148 | this._terminal.buffer.x = 0; |
04b1ebf1 DI |
149 | } |
150 | ||
db81c28b DI |
151 | /** |
152 | * BS | |
153 | * Backspace (Ctrl-H). | |
154 | */ | |
04b1ebf1 | 155 | public backspace(): void { |
bbafdd3d PK |
156 | if (this._terminal.buffer.x > 0) { |
157 | this._terminal.buffer.x--; | |
04b1ebf1 DI |
158 | } |
159 | } | |
160 | ||
db81c28b DI |
161 | /** |
162 | * TAB | |
163 | * Horizontal Tab (HT) (Ctrl-I). | |
164 | */ | |
04b1ebf1 | 165 | public tab(): void { |
bbafdd3d | 166 | this._terminal.buffer.x = this._terminal.nextStop(); |
04b1ebf1 DI |
167 | } |
168 | ||
db81c28b DI |
169 | /** |
170 | * SO | |
171 | * Shift Out (Ctrl-N) -> Switch to Alternate Character Set. This invokes the | |
172 | * G1 character set. | |
173 | */ | |
04b1ebf1 DI |
174 | public shiftOut(): void { |
175 | this._terminal.setgLevel(1); | |
176 | } | |
177 | ||
db81c28b DI |
178 | /** |
179 | * SI | |
180 | * Shift In (Ctrl-O) -> Switch to Standard Character Set. This invokes the G0 | |
181 | * character set (the default). | |
182 | */ | |
04b1ebf1 DI |
183 | public shiftIn(): void { |
184 | this._terminal.setgLevel(0); | |
185 | } | |
9942477b | 186 | |
411b80cd DI |
187 | /** |
188 | * CSI Ps @ | |
189 | * Insert Ps (Blank) Character(s) (default = 1) (ICH). | |
190 | */ | |
191 | public insertChars(params: number[]): void { | |
192 | let param, row, j, ch; | |
193 | ||
194 | param = params[0]; | |
195 | if (param < 1) param = 1; | |
196 | ||
bbafdd3d PK |
197 | row = this._terminal.buffer.y + this._terminal.buffer.ybase; |
198 | j = this._terminal.buffer.x; | |
411b80cd DI |
199 | ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm |
200 | ||
201 | while (param-- && j < this._terminal.cols) { | |
8ede1fc9 PK |
202 | this._terminal.buffer.lines.get(row).splice(j++, 0, ch); |
203 | this._terminal.buffer.lines.get(row).pop(); | |
411b80cd DI |
204 | } |
205 | } | |
206 | ||
db81c28b DI |
207 | /** |
208 | * CSI Ps A | |
209 | * Cursor Up Ps Times (default = 1) (CUU). | |
210 | */ | |
9942477b DI |
211 | public cursorUp(params: number[]): void { |
212 | let param = params[0]; | |
213 | if (param < 1) { | |
214 | param = 1; | |
215 | } | |
bbafdd3d PK |
216 | this._terminal.buffer.y -= param; |
217 | if (this._terminal.buffer.y < 0) { | |
218 | this._terminal.buffer.y = 0; | |
9942477b DI |
219 | } |
220 | } | |
221 | ||
db81c28b DI |
222 | /** |
223 | * CSI Ps B | |
224 | * Cursor Down Ps Times (default = 1) (CUD). | |
225 | */ | |
9942477b DI |
226 | public cursorDown(params: number[]) { |
227 | let param = params[0]; | |
228 | if (param < 1) { | |
229 | param = 1; | |
230 | } | |
bbafdd3d PK |
231 | this._terminal.buffer.y += param; |
232 | if (this._terminal.buffer.y >= this._terminal.rows) { | |
233 | this._terminal.buffer.y = this._terminal.rows - 1; | |
9942477b | 234 | } |
5850cbcd | 235 | // If the end of the line is hit, prevent this action from wrapping around to the next line. |
bbafdd3d PK |
236 | if (this._terminal.buffer.x >= this._terminal.cols) { |
237 | this._terminal.buffer.x--; | |
74c3a4a6 | 238 | } |
9942477b DI |
239 | } |
240 | ||
db81c28b DI |
241 | /** |
242 | * CSI Ps C | |
243 | * Cursor Forward Ps Times (default = 1) (CUF). | |
244 | */ | |
9942477b DI |
245 | public cursorForward(params: number[]) { |
246 | let param = params[0]; | |
247 | if (param < 1) { | |
248 | param = 1; | |
249 | } | |
bbafdd3d PK |
250 | this._terminal.buffer.x += param; |
251 | if (this._terminal.buffer.x >= this._terminal.cols) { | |
252 | this._terminal.buffer.x = this._terminal.cols - 1; | |
9942477b DI |
253 | } |
254 | } | |
255 | ||
db81c28b DI |
256 | /** |
257 | * CSI Ps D | |
258 | * Cursor Backward Ps Times (default = 1) (CUB). | |
259 | */ | |
9942477b DI |
260 | public cursorBackward(params: number[]) { |
261 | let param = params[0]; | |
262 | if (param < 1) { | |
263 | param = 1; | |
264 | } | |
5850cbcd | 265 | // If the end of the line is hit, prevent this action from wrapping around to the next line. |
bbafdd3d PK |
266 | if (this._terminal.buffer.x >= this._terminal.cols) { |
267 | this._terminal.buffer.x--; | |
d30fb89f | 268 | } |
bbafdd3d PK |
269 | this._terminal.buffer.x -= param; |
270 | if (this._terminal.buffer.x < 0) { | |
271 | this._terminal.buffer.x = 0; | |
9942477b DI |
272 | } |
273 | } | |
db81c28b | 274 | |
411b80cd DI |
275 | /** |
276 | * CSI Ps E | |
277 | * Cursor Next Line Ps Times (default = 1) (CNL). | |
278 | * same as CSI Ps B ? | |
279 | */ | |
280 | public cursorNextLine(params: number[]): void { | |
281 | let param = params[0]; | |
282 | if (param < 1) { | |
283 | param = 1; | |
284 | } | |
bbafdd3d PK |
285 | this._terminal.buffer.y += param; |
286 | if (this._terminal.buffer.y >= this._terminal.rows) { | |
287 | this._terminal.buffer.y = this._terminal.rows - 1; | |
411b80cd | 288 | } |
bbafdd3d | 289 | this._terminal.buffer.x = 0; |
79965708 | 290 | } |
411b80cd DI |
291 | |
292 | ||
293 | /** | |
294 | * CSI Ps F | |
295 | * Cursor Preceding Line Ps Times (default = 1) (CNL). | |
296 | * reuse CSI Ps A ? | |
297 | */ | |
298 | public cursorPrecedingLine(params: number[]): void { | |
299 | let param = params[0]; | |
300 | if (param < 1) { | |
301 | param = 1; | |
302 | } | |
bbafdd3d PK |
303 | this._terminal.buffer.y -= param; |
304 | if (this._terminal.buffer.y < 0) { | |
305 | this._terminal.buffer.y = 0; | |
411b80cd | 306 | } |
bbafdd3d | 307 | this._terminal.buffer.x = 0; |
79965708 | 308 | } |
411b80cd DI |
309 | |
310 | ||
311 | /** | |
312 | * CSI Ps G | |
313 | * Cursor Character Absolute [column] (default = [row,1]) (CHA). | |
314 | */ | |
315 | public cursorCharAbsolute(params: number[]): void { | |
316 | let param = params[0]; | |
317 | if (param < 1) { | |
318 | param = 1; | |
319 | } | |
bbafdd3d | 320 | this._terminal.buffer.x = param - 1; |
411b80cd DI |
321 | } |
322 | ||
db81c28b DI |
323 | /** |
324 | * CSI Ps ; Ps H | |
325 | * Cursor Position [row;column] (default = [1,1]) (CUP). | |
326 | */ | |
411b80cd | 327 | public cursorPosition(params: number[]): void { |
db81c28b DI |
328 | let row, col; |
329 | ||
330 | row = params[0] - 1; | |
331 | ||
332 | if (params.length >= 2) { | |
333 | col = params[1] - 1; | |
334 | } else { | |
335 | col = 0; | |
336 | } | |
337 | ||
338 | if (row < 0) { | |
339 | row = 0; | |
340 | } else if (row >= this._terminal.rows) { | |
341 | row = this._terminal.rows - 1; | |
342 | } | |
343 | ||
344 | if (col < 0) { | |
345 | col = 0; | |
346 | } else if (col >= this._terminal.cols) { | |
347 | col = this._terminal.cols - 1; | |
348 | } | |
349 | ||
bbafdd3d PK |
350 | this._terminal.buffer.x = col; |
351 | this._terminal.buffer.y = row; | |
db81c28b DI |
352 | } |
353 | ||
9b662080 DI |
354 | /** |
355 | * CSI Ps I | |
356 | * Cursor Forward Tabulation Ps tab stops (default = 1) (CHT). | |
357 | */ | |
358 | public cursorForwardTab(params: number[]): void { | |
359 | let param = params[0] || 1; | |
360 | while (param--) { | |
bbafdd3d | 361 | this._terminal.buffer.x = this._terminal.nextStop(); |
9b662080 DI |
362 | } |
363 | } | |
364 | ||
db81c28b DI |
365 | /** |
366 | * CSI Ps J Erase in Display (ED). | |
367 | * Ps = 0 -> Erase Below (default). | |
368 | * Ps = 1 -> Erase Above. | |
369 | * Ps = 2 -> Erase All. | |
370 | * Ps = 3 -> Erase Saved Lines (xterm). | |
371 | * CSI ? Ps J | |
372 | * Erase in Display (DECSED). | |
373 | * Ps = 0 -> Selective Erase Below (default). | |
374 | * Ps = 1 -> Selective Erase Above. | |
375 | * Ps = 2 -> Selective Erase All. | |
376 | */ | |
411b80cd | 377 | public eraseInDisplay(params: number[]): void { |
db81c28b DI |
378 | let j; |
379 | switch (params[0]) { | |
380 | case 0: | |
bbafdd3d PK |
381 | this._terminal.eraseRight(this._terminal.buffer.x, this._terminal.buffer.y); |
382 | j = this._terminal.buffer.y + 1; | |
db81c28b DI |
383 | for (; j < this._terminal.rows; j++) { |
384 | this._terminal.eraseLine(j); | |
385 | } | |
386 | break; | |
387 | case 1: | |
bbafdd3d PK |
388 | this._terminal.eraseLeft(this._terminal.buffer.x, this._terminal.buffer.y); |
389 | j = this._terminal.buffer.y; | |
db81c28b DI |
390 | while (j--) { |
391 | this._terminal.eraseLine(j); | |
392 | } | |
393 | break; | |
394 | case 2: | |
395 | j = this._terminal.rows; | |
396 | while (j--) this._terminal.eraseLine(j); | |
397 | break; | |
398 | case 3: | |
0bbd8f0a | 399 | // Clear scrollback (everything not in viewport) |
8ede1fc9 | 400 | const scrollBackSize = this._terminal.buffer.lines.length - this._terminal.rows; |
0bbd8f0a | 401 | if (scrollBackSize > 0) { |
8ede1fc9 | 402 | this._terminal.buffer.lines.trimStart(scrollBackSize); |
bbafdd3d PK |
403 | this._terminal.buffer.ybase = Math.max(this._terminal.buffer.ybase - scrollBackSize, 0); |
404 | this._terminal.buffer.ydisp = Math.max(this._terminal.buffer.ydisp - scrollBackSize, 0); | |
7f5e72db | 405 | // Force a scroll event to refresh viewport |
729f646a | 406 | this._terminal.emit('scroll', 0); |
0bbd8f0a | 407 | } |
db81c28b DI |
408 | break; |
409 | } | |
410 | } | |
411 | ||
412 | /** | |
413 | * CSI Ps K Erase in Line (EL). | |
414 | * Ps = 0 -> Erase to Right (default). | |
415 | * Ps = 1 -> Erase to Left. | |
416 | * Ps = 2 -> Erase All. | |
417 | * CSI ? Ps K | |
418 | * Erase in Line (DECSEL). | |
419 | * Ps = 0 -> Selective Erase to Right (default). | |
420 | * Ps = 1 -> Selective Erase to Left. | |
421 | * Ps = 2 -> Selective Erase All. | |
422 | */ | |
411b80cd | 423 | public eraseInLine(params: number[]): void { |
db81c28b DI |
424 | switch (params[0]) { |
425 | case 0: | |
bbafdd3d | 426 | this._terminal.eraseRight(this._terminal.buffer.x, this._terminal.buffer.y); |
db81c28b DI |
427 | break; |
428 | case 1: | |
bbafdd3d | 429 | this._terminal.eraseLeft(this._terminal.buffer.x, this._terminal.buffer.y); |
db81c28b DI |
430 | break; |
431 | case 2: | |
bbafdd3d | 432 | this._terminal.eraseLine(this._terminal.buffer.y); |
db81c28b DI |
433 | break; |
434 | } | |
435 | } | |
436 | ||
f9a286a8 DI |
437 | /** |
438 | * CSI Ps L | |
439 | * Insert Ps Line(s) (default = 1) (IL). | |
440 | */ | |
441 | public insertLines(params: number[]): void { | |
442 | let param, row, j; | |
443 | ||
444 | param = params[0]; | |
445 | if (param < 1) { | |
446 | param = 1; | |
447 | } | |
bbafdd3d | 448 | row = this._terminal.buffer.y + this._terminal.buffer.ybase; |
f9a286a8 | 449 | |
4626e19b | 450 | j = this._terminal.rows - 1 - this._terminal.buffer.scrollBottom; |
bbafdd3d | 451 | j = this._terminal.rows - 1 + this._terminal.buffer.ybase - j + 1; |
f9a286a8 DI |
452 | |
453 | while (param--) { | |
8ede1fc9 | 454 | if (this._terminal.buffer.lines.length === this._terminal.buffer.lines.maxLength) { |
f9a286a8 | 455 | // Trim the start of lines to make room for the new line |
8ede1fc9 | 456 | this._terminal.buffer.lines.trimStart(1); |
bbafdd3d PK |
457 | this._terminal.buffer.ybase--; |
458 | this._terminal.buffer.ydisp--; | |
f9a286a8 DI |
459 | row--; |
460 | j--; | |
461 | } | |
462 | // test: echo -e '\e[44m\e[1L\e[0m' | |
463 | // blankLine(true) - xterm/linux behavior | |
8ede1fc9 PK |
464 | this._terminal.buffer.lines.splice(row, 0, this._terminal.blankLine(true)); |
465 | this._terminal.buffer.lines.splice(j, 1); | |
f9a286a8 DI |
466 | } |
467 | ||
468 | // this.maxRange(); | |
bbafdd3d | 469 | this._terminal.updateRange(this._terminal.buffer.y); |
4626e19b | 470 | this._terminal.updateRange(this._terminal.buffer.scrollBottom); |
f9a286a8 DI |
471 | } |
472 | ||
473 | /** | |
474 | * CSI Ps M | |
475 | * Delete Ps Line(s) (default = 1) (DL). | |
476 | */ | |
477 | public deleteLines(params: number[]): void { | |
478 | let param, row, j; | |
479 | ||
480 | param = params[0]; | |
481 | if (param < 1) { | |
482 | param = 1; | |
483 | } | |
bbafdd3d | 484 | row = this._terminal.buffer.y + this._terminal.buffer.ybase; |
f9a286a8 | 485 | |
4626e19b | 486 | j = this._terminal.rows - 1 - this._terminal.buffer.scrollBottom; |
bbafdd3d | 487 | j = this._terminal.rows - 1 + this._terminal.buffer.ybase - j; |
f9a286a8 DI |
488 | |
489 | while (param--) { | |
8ede1fc9 | 490 | if (this._terminal.buffer.lines.length === this._terminal.buffer.lines.maxLength) { |
f9a286a8 | 491 | // Trim the start of lines to make room for the new line |
8ede1fc9 | 492 | this._terminal.buffer.lines.trimStart(1); |
bbafdd3d PK |
493 | this._terminal.buffer.ybase -= 1; |
494 | this._terminal.buffer.ydisp -= 1; | |
f9a286a8 DI |
495 | } |
496 | // test: echo -e '\e[44m\e[1M\e[0m' | |
497 | // blankLine(true) - xterm/linux behavior | |
8ede1fc9 PK |
498 | this._terminal.buffer.lines.splice(j + 1, 0, this._terminal.blankLine(true)); |
499 | this._terminal.buffer.lines.splice(row, 1); | |
f9a286a8 DI |
500 | } |
501 | ||
502 | // this.maxRange(); | |
bbafdd3d | 503 | this._terminal.updateRange(this._terminal.buffer.y); |
4626e19b | 504 | this._terminal.updateRange(this._terminal.buffer.scrollBottom); |
f9a286a8 DI |
505 | } |
506 | ||
507 | /** | |
508 | * CSI Ps P | |
509 | * Delete Ps Character(s) (default = 1) (DCH). | |
510 | */ | |
511 | public deleteChars(params: number[]): void { | |
512 | let param, row, ch; | |
513 | ||
514 | param = params[0]; | |
515 | if (param < 1) { | |
516 | param = 1; | |
517 | } | |
518 | ||
bbafdd3d | 519 | row = this._terminal.buffer.y + this._terminal.buffer.ybase; |
f9a286a8 DI |
520 | ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm |
521 | ||
522 | while (param--) { | |
bbafdd3d | 523 | this._terminal.buffer.lines.get(row).splice(this._terminal.buffer.x, 1); |
8ede1fc9 | 524 | this._terminal.buffer.lines.get(row).push(ch); |
f9a286a8 DI |
525 | } |
526 | } | |
527 | ||
f4846aa1 DI |
528 | /** |
529 | * CSI Ps S Scroll up Ps lines (default = 1) (SU). | |
530 | */ | |
531 | public scrollUp(params: number[]): void { | |
532 | let param = params[0] || 1; | |
533 | while (param--) { | |
4626e19b PK |
534 | this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollTop, 1); |
535 | this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollBottom, 0, this._terminal.blankLine()); | |
f4846aa1 DI |
536 | } |
537 | // this.maxRange(); | |
4626e19b PK |
538 | this._terminal.updateRange(this._terminal.buffer.scrollTop); |
539 | this._terminal.updateRange(this._terminal.buffer.scrollBottom); | |
f4846aa1 DI |
540 | } |
541 | ||
542 | /** | |
543 | * CSI Ps T Scroll down Ps lines (default = 1) (SD). | |
544 | */ | |
545 | public scrollDown(params: number[]): void { | |
546 | let param = params[0] || 1; | |
547 | while (param--) { | |
4626e19b PK |
548 | this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollBottom, 1); |
549 | this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollTop, 0, this._terminal.blankLine()); | |
f4846aa1 DI |
550 | } |
551 | // this.maxRange(); | |
4626e19b PK |
552 | this._terminal.updateRange(this._terminal.buffer.scrollTop); |
553 | this._terminal.updateRange(this._terminal.buffer.scrollBottom); | |
f4846aa1 DI |
554 | } |
555 | ||
f9a286a8 DI |
556 | /** |
557 | * CSI Ps X | |
558 | * Erase Ps Character(s) (default = 1) (ECH). | |
559 | */ | |
560 | public eraseChars(params: number[]): void { | |
561 | let param, row, j, ch; | |
562 | ||
563 | param = params[0]; | |
564 | if (param < 1) { | |
565 | param = 1; | |
566 | } | |
567 | ||
bbafdd3d PK |
568 | row = this._terminal.buffer.y + this._terminal.buffer.ybase; |
569 | j = this._terminal.buffer.x; | |
f9a286a8 DI |
570 | ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm |
571 | ||
572 | while (param-- && j < this._terminal.cols) { | |
8ede1fc9 | 573 | this._terminal.buffer.lines.get(row)[j++] = ch; |
f9a286a8 DI |
574 | } |
575 | } | |
576 | ||
f4846aa1 DI |
577 | /** |
578 | * CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT). | |
579 | */ | |
580 | public cursorBackwardTab(params: number[]): void { | |
581 | let param = params[0] || 1; | |
582 | while (param--) { | |
bbafdd3d | 583 | this._terminal.buffer.x = this._terminal.prevStop(); |
f4846aa1 DI |
584 | } |
585 | } | |
586 | ||
f9a286a8 DI |
587 | /** |
588 | * CSI Pm ` Character Position Absolute | |
589 | * [column] (default = [row,1]) (HPA). | |
590 | */ | |
591 | public charPosAbsolute(params: number[]): void { | |
592 | let param = params[0]; | |
593 | if (param < 1) { | |
594 | param = 1; | |
595 | } | |
bbafdd3d PK |
596 | this._terminal.buffer.x = param - 1; |
597 | if (this._terminal.buffer.x >= this._terminal.cols) { | |
598 | this._terminal.buffer.x = this._terminal.cols - 1; | |
f9a286a8 DI |
599 | } |
600 | } | |
601 | ||
602 | /** | |
603 | * CSI Pm a Character Position Relative | |
604 | * [columns] (default = [row,col+1]) (HPR) | |
605 | * reuse CSI Ps C ? | |
606 | */ | |
607 | public HPositionRelative(params: number[]): void { | |
608 | let param = params[0]; | |
609 | if (param < 1) { | |
610 | param = 1; | |
611 | } | |
bbafdd3d PK |
612 | this._terminal.buffer.x += param; |
613 | if (this._terminal.buffer.x >= this._terminal.cols) { | |
614 | this._terminal.buffer.x = this._terminal.cols - 1; | |
f9a286a8 DI |
615 | } |
616 | } | |
617 | ||
f4846aa1 DI |
618 | /** |
619 | * CSI Ps b Repeat the preceding graphic character Ps times (REP). | |
620 | */ | |
621 | public repeatPrecedingCharacter(params: number[]): void { | |
622 | let param = params[0] || 1 | |
bbafdd3d PK |
623 | , line = this._terminal.buffer.lines.get(this._terminal.buffer.ybase + this._terminal.buffer.y) |
624 | , ch = line[this._terminal.buffer.x - 1] || [this._terminal.defAttr, ' ', 1]; | |
f4846aa1 DI |
625 | |
626 | while (param--) { | |
bbafdd3d | 627 | line[this._terminal.buffer.x++] = ch; |
f4846aa1 DI |
628 | } |
629 | } | |
630 | ||
f9a286a8 DI |
631 | /** |
632 | * CSI Ps c Send Device Attributes (Primary DA). | |
633 | * Ps = 0 or omitted -> request attributes from terminal. The | |
634 | * response depends on the decTerminalID resource setting. | |
635 | * -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'') | |
636 | * -> CSI ? 1 ; 0 c (``VT101 with No Options'') | |
637 | * -> CSI ? 6 c (``VT102'') | |
638 | * -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'') | |
639 | * The VT100-style response parameters do not mean anything by | |
640 | * themselves. VT220 parameters do, telling the host what fea- | |
641 | * tures the terminal supports: | |
642 | * Ps = 1 -> 132-columns. | |
643 | * Ps = 2 -> Printer. | |
644 | * Ps = 6 -> Selective erase. | |
645 | * Ps = 8 -> User-defined keys. | |
646 | * Ps = 9 -> National replacement character sets. | |
647 | * Ps = 1 5 -> Technical characters. | |
648 | * Ps = 2 2 -> ANSI color, e.g., VT525. | |
649 | * Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode). | |
650 | * CSI > Ps c | |
651 | * Send Device Attributes (Secondary DA). | |
652 | * Ps = 0 or omitted -> request the terminal's identification | |
653 | * code. The response depends on the decTerminalID resource set- | |
654 | * ting. It should apply only to VT220 and up, but xterm extends | |
655 | * this to VT100. | |
656 | * -> CSI > Pp ; Pv ; Pc c | |
657 | * where Pp denotes the terminal type | |
658 | * Pp = 0 -> ``VT100''. | |
659 | * Pp = 1 -> ``VT220''. | |
660 | * and Pv is the firmware version (for xterm, this was originally | |
661 | * the XFree86 patch number, starting with 95). In a DEC termi- | |
662 | * nal, Pc indicates the ROM cartridge registration number and is | |
663 | * always zero. | |
664 | * More information: | |
665 | * xterm/charproc.c - line 2012, for more information. | |
666 | * vim responds with ^[[?0c or ^[[?1c after the terminal's response (?) | |
667 | */ | |
668 | public sendDeviceAttributes(params: number[]): void { | |
669 | if (params[0] > 0) { | |
670 | return; | |
671 | } | |
672 | ||
673 | if (!this._terminal.prefix) { | |
674 | if (this._terminal.is('xterm') || this._terminal.is('rxvt-unicode') || this._terminal.is('screen')) { | |
675 | this._terminal.send(C0.ESC + '[?1;2c'); | |
676 | } else if (this._terminal.is('linux')) { | |
677 | this._terminal.send(C0.ESC + '[?6c'); | |
678 | } | |
679 | } else if (this._terminal.prefix === '>') { | |
680 | // xterm and urxvt | |
681 | // seem to spit this | |
682 | // out around ~370 times (?). | |
683 | if (this._terminal.is('xterm')) { | |
684 | this._terminal.send(C0.ESC + '[>0;276;0c'); | |
685 | } else if (this._terminal.is('rxvt-unicode')) { | |
686 | this._terminal.send(C0.ESC + '[>85;95;0c'); | |
687 | } else if (this._terminal.is('linux')) { | |
688 | // not supported by linux console. | |
689 | // linux console echoes parameters. | |
690 | this._terminal.send(params[0] + 'c'); | |
691 | } else if (this._terminal.is('screen')) { | |
692 | this._terminal.send(C0.ESC + '[>83;40003;0c'); | |
693 | } | |
694 | } | |
695 | } | |
696 | ||
c43c3b41 DI |
697 | /** |
698 | * CSI Pm d Vertical Position Absolute (VPA) | |
699 | * [row] (default = [1,column]) | |
700 | */ | |
701 | public linePosAbsolute(params: number[]): void { | |
702 | let param = params[0]; | |
703 | if (param < 1) { | |
704 | param = 1; | |
705 | } | |
bbafdd3d PK |
706 | this._terminal.buffer.y = param - 1; |
707 | if (this._terminal.buffer.y >= this._terminal.rows) { | |
708 | this._terminal.buffer.y = this._terminal.rows - 1; | |
c43c3b41 DI |
709 | } |
710 | } | |
711 | ||
712 | /** | |
713 | * CSI Pm e Vertical Position Relative (VPR) | |
714 | * [rows] (default = [row+1,column]) | |
715 | * reuse CSI Ps B ? | |
716 | */ | |
717 | public VPositionRelative(params: number[]): void { | |
718 | let param = params[0]; | |
719 | if (param < 1) { | |
720 | param = 1; | |
721 | } | |
bbafdd3d PK |
722 | this._terminal.buffer.y += param; |
723 | if (this._terminal.buffer.y >= this._terminal.rows) { | |
724 | this._terminal.buffer.y = this._terminal.rows - 1; | |
c43c3b41 | 725 | } |
5850cbcd | 726 | // If the end of the line is hit, prevent this action from wrapping around to the next line. |
bbafdd3d PK |
727 | if (this._terminal.buffer.x >= this._terminal.cols) { |
728 | this._terminal.buffer.x--; | |
2aa7608a | 729 | } |
c43c3b41 DI |
730 | } |
731 | ||
732 | /** | |
733 | * CSI Ps ; Ps f | |
734 | * Horizontal and Vertical Position [row;column] (default = | |
735 | * [1,1]) (HVP). | |
736 | */ | |
737 | public HVPosition(params: number[]): void { | |
738 | if (params[0] < 1) params[0] = 1; | |
739 | if (params[1] < 1) params[1] = 1; | |
740 | ||
bbafdd3d PK |
741 | this._terminal.buffer.y = params[0] - 1; |
742 | if (this._terminal.buffer.y >= this._terminal.rows) { | |
743 | this._terminal.buffer.y = this._terminal.rows - 1; | |
c43c3b41 DI |
744 | } |
745 | ||
bbafdd3d PK |
746 | this._terminal.buffer.x = params[1] - 1; |
747 | if (this._terminal.buffer.x >= this._terminal.cols) { | |
748 | this._terminal.buffer.x = this._terminal.cols - 1; | |
c43c3b41 DI |
749 | } |
750 | } | |
751 | ||
f4846aa1 DI |
752 | /** |
753 | * CSI Ps g Tab Clear (TBC). | |
754 | * Ps = 0 -> Clear Current Column (default). | |
755 | * Ps = 3 -> Clear All. | |
756 | * Potentially: | |
757 | * Ps = 2 -> Clear Stops on Line. | |
758 | * http://vt100.net/annarbor/aaa-ug/section6.html | |
759 | */ | |
760 | public tabClear(params: number[]): void { | |
761 | let param = params[0]; | |
762 | if (param <= 0) { | |
4626e19b | 763 | delete this._terminal.buffer.tabs[this._terminal.buffer.x]; |
f4846aa1 | 764 | } else if (param === 3) { |
4626e19b | 765 | this._terminal.buffer.tabs = {}; |
f4846aa1 DI |
766 | } |
767 | } | |
c43c3b41 DI |
768 | |
769 | /** | |
770 | * CSI Pm h Set Mode (SM). | |
771 | * Ps = 2 -> Keyboard Action Mode (AM). | |
772 | * Ps = 4 -> Insert Mode (IRM). | |
773 | * Ps = 1 2 -> Send/receive (SRM). | |
774 | * Ps = 2 0 -> Automatic Newline (LNM). | |
775 | * CSI ? Pm h | |
776 | * DEC Private Mode Set (DECSET). | |
777 | * Ps = 1 -> Application Cursor Keys (DECCKM). | |
778 | * Ps = 2 -> Designate USASCII for character sets G0-G3 | |
779 | * (DECANM), and set VT100 mode. | |
780 | * Ps = 3 -> 132 Column Mode (DECCOLM). | |
781 | * Ps = 4 -> Smooth (Slow) Scroll (DECSCLM). | |
782 | * Ps = 5 -> Reverse Video (DECSCNM). | |
783 | * Ps = 6 -> Origin Mode (DECOM). | |
784 | * Ps = 7 -> Wraparound Mode (DECAWM). | |
785 | * Ps = 8 -> Auto-repeat Keys (DECARM). | |
786 | * Ps = 9 -> Send Mouse X & Y on button press. See the sec- | |
787 | * tion Mouse Tracking. | |
788 | * Ps = 1 0 -> Show toolbar (rxvt). | |
789 | * Ps = 1 2 -> Start Blinking Cursor (att610). | |
790 | * Ps = 1 8 -> Print form feed (DECPFF). | |
791 | * Ps = 1 9 -> Set print extent to full screen (DECPEX). | |
792 | * Ps = 2 5 -> Show Cursor (DECTCEM). | |
793 | * Ps = 3 0 -> Show scrollbar (rxvt). | |
794 | * Ps = 3 5 -> Enable font-shifting functions (rxvt). | |
795 | * Ps = 3 8 -> Enter Tektronix Mode (DECTEK). | |
796 | * Ps = 4 0 -> Allow 80 -> 132 Mode. | |
797 | * Ps = 4 1 -> more(1) fix (see curses resource). | |
798 | * Ps = 4 2 -> Enable Nation Replacement Character sets (DECN- | |
799 | * RCM). | |
800 | * Ps = 4 4 -> Turn On Margin Bell. | |
801 | * Ps = 4 5 -> Reverse-wraparound Mode. | |
802 | * Ps = 4 6 -> Start Logging. This is normally disabled by a | |
803 | * compile-time option. | |
804 | * Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis- | |
805 | * abled by the titeInhibit resource). | |
806 | * Ps = 6 6 -> Application keypad (DECNKM). | |
807 | * Ps = 6 7 -> Backarrow key sends backspace (DECBKM). | |
808 | * Ps = 1 0 0 0 -> Send Mouse X & Y on button press and | |
809 | * release. See the section Mouse Tracking. | |
810 | * Ps = 1 0 0 1 -> Use Hilite Mouse Tracking. | |
811 | * Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking. | |
812 | * Ps = 1 0 0 3 -> Use All Motion Mouse Tracking. | |
813 | * Ps = 1 0 0 4 -> Send FocusIn/FocusOut events. | |
814 | * Ps = 1 0 0 5 -> Enable Extended Mouse Mode. | |
815 | * Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt). | |
816 | * Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt). | |
817 | * Ps = 1 0 3 4 -> Interpret "meta" key, sets eighth bit. | |
818 | * (enables the eightBitInput resource). | |
819 | * Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num- | |
820 | * Lock keys. (This enables the numLock resource). | |
821 | * Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This | |
822 | * enables the metaSendsEscape resource). | |
823 | * Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete | |
824 | * key. | |
825 | * Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This | |
826 | * enables the altSendsEscape resource). | |
827 | * Ps = 1 0 4 0 -> Keep selection even if not highlighted. | |
828 | * (This enables the keepSelection resource). | |
829 | * Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables | |
830 | * the selectToClipboard resource). | |
831 | * Ps = 1 0 4 2 -> Enable Urgency window manager hint when | |
832 | * Control-G is received. (This enables the bellIsUrgent | |
833 | * resource). | |
834 | * Ps = 1 0 4 3 -> Enable raising of the window when Control-G | |
835 | * is received. (enables the popOnBell resource). | |
836 | * Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be | |
837 | * disabled by the titeInhibit resource). | |
838 | * Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis- | |
839 | * abled by the titeInhibit resource). | |
840 | * Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate | |
841 | * Screen Buffer, clearing it first. (This may be disabled by | |
842 | * the titeInhibit resource). This combines the effects of the 1 | |
843 | * 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based | |
844 | * applications rather than the 4 7 mode. | |
845 | * Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode. | |
846 | * Ps = 1 0 5 1 -> Set Sun function-key mode. | |
847 | * Ps = 1 0 5 2 -> Set HP function-key mode. | |
848 | * Ps = 1 0 5 3 -> Set SCO function-key mode. | |
849 | * Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6). | |
850 | * Ps = 1 0 6 1 -> Set VT220 keyboard emulation. | |
851 | * Ps = 2 0 0 4 -> Set bracketed paste mode. | |
852 | * Modes: | |
853 | * http: *vt100.net/docs/vt220-rm/chapter4.html | |
854 | */ | |
855 | public setMode(params: number[]): void { | |
856 | if (params.length > 1) { | |
857 | for (let i = 0; i < params.length; i++) { | |
9359dca0 | 858 | this.setMode([params[i]]); |
c43c3b41 DI |
859 | } |
860 | ||
861 | return; | |
862 | } | |
863 | ||
864 | if (!this._terminal.prefix) { | |
865 | switch (params[0]) { | |
866 | case 4: | |
867 | this._terminal.insertMode = true; | |
868 | break; | |
869 | case 20: | |
870 | // this._terminal.convertEol = true; | |
871 | break; | |
872 | } | |
873 | } else if (this._terminal.prefix === '?') { | |
874 | switch (params[0]) { | |
875 | case 1: | |
876 | this._terminal.applicationCursor = true; | |
877 | break; | |
878 | case 2: | |
aab67c2e DI |
879 | this._terminal.setgCharset(0, DEFAULT_CHARSET); |
880 | this._terminal.setgCharset(1, DEFAULT_CHARSET); | |
881 | this._terminal.setgCharset(2, DEFAULT_CHARSET); | |
882 | this._terminal.setgCharset(3, DEFAULT_CHARSET); | |
c43c3b41 DI |
883 | // set VT100 mode here |
884 | break; | |
885 | case 3: // 132 col mode | |
886 | this._terminal.savedCols = this._terminal.cols; | |
887 | this._terminal.resize(132, this._terminal.rows); | |
888 | break; | |
889 | case 6: | |
890 | this._terminal.originMode = true; | |
891 | break; | |
892 | case 7: | |
893 | this._terminal.wraparoundMode = true; | |
894 | break; | |
895 | case 12: | |
896 | // this.cursorBlink = true; | |
897 | break; | |
898 | case 66: | |
899 | this._terminal.log('Serial port requested application keypad.'); | |
900 | this._terminal.applicationKeypad = true; | |
901 | this._terminal.viewport.syncScrollArea(); | |
902 | break; | |
903 | case 9: // X10 Mouse | |
904 | // no release, no motion, no wheel, no modifiers. | |
905 | case 1000: // vt200 mouse | |
906 | // no motion. | |
907 | // no modifiers, except control on the wheel. | |
908 | case 1002: // button event mouse | |
909 | case 1003: // any event mouse | |
910 | // any event - sends motion events, | |
911 | // even if there is no button held down. | |
912 | ||
913 | // TODO: Why are params[0] compares nested within a switch for params[0]? | |
914 | ||
915 | this._terminal.x10Mouse = params[0] === 9; | |
916 | this._terminal.vt200Mouse = params[0] === 1000; | |
917 | this._terminal.normalMouse = params[0] > 1000; | |
918 | this._terminal.mouseEvents = true; | |
ab40908f DI |
919 | this._terminal.element.classList.add('enable-mouse-events'); |
920 | this._terminal.selectionManager.disable(); | |
c43c3b41 DI |
921 | this._terminal.log('Binding to mouse events.'); |
922 | break; | |
923 | case 1004: // send focusin/focusout events | |
924 | // focusin: ^[[I | |
925 | // focusout: ^[[O | |
926 | this._terminal.sendFocus = true; | |
927 | break; | |
928 | case 1005: // utf8 ext mode mouse | |
929 | this._terminal.utfMouse = true; | |
930 | // for wide terminals | |
931 | // simply encodes large values as utf8 characters | |
932 | break; | |
933 | case 1006: // sgr ext mode mouse | |
934 | this._terminal.sgrMouse = true; | |
935 | // for wide terminals | |
936 | // does not add 32 to fields | |
937 | // press: ^[[<b;x;yM | |
938 | // release: ^[[<b;x;ym | |
939 | break; | |
940 | case 1015: // urxvt ext mode mouse | |
941 | this._terminal.urxvtMouse = true; | |
942 | // for wide terminals | |
943 | // numbers for fields | |
944 | // press: ^[[b;x;yM | |
945 | // motion: ^[[b;x;yT | |
946 | break; | |
947 | case 25: // show cursor | |
948 | this._terminal.cursorHidden = false; | |
949 | break; | |
950 | case 1049: // alt screen buffer cursor | |
604959a3 DI |
951 | // TODO: Not sure if we need to save/restore after switching the buffer |
952 | // this.saveCursor(params); | |
6810de85 | 953 | // FALL-THROUGH |
c43c3b41 DI |
954 | case 47: // alt screen buffer |
955 | case 1047: // alt screen buffer | |
6810de85 | 956 | this._terminal.buffers.activateAltBuffer(); |
6810de85 AA |
957 | this._terminal.viewport.syncScrollArea(); |
958 | this._terminal.showCursor(); | |
c43c3b41 DI |
959 | break; |
960 | } | |
961 | } | |
962 | } | |
963 | ||
9b662080 DI |
964 | /** |
965 | * CSI Pm l Reset Mode (RM). | |
966 | * Ps = 2 -> Keyboard Action Mode (AM). | |
967 | * Ps = 4 -> Replace Mode (IRM). | |
968 | * Ps = 1 2 -> Send/receive (SRM). | |
969 | * Ps = 2 0 -> Normal Linefeed (LNM). | |
970 | * CSI ? Pm l | |
971 | * DEC Private Mode Reset (DECRST). | |
972 | * Ps = 1 -> Normal Cursor Keys (DECCKM). | |
973 | * Ps = 2 -> Designate VT52 mode (DECANM). | |
974 | * Ps = 3 -> 80 Column Mode (DECCOLM). | |
975 | * Ps = 4 -> Jump (Fast) Scroll (DECSCLM). | |
976 | * Ps = 5 -> Normal Video (DECSCNM). | |
977 | * Ps = 6 -> Normal Cursor Mode (DECOM). | |
978 | * Ps = 7 -> No Wraparound Mode (DECAWM). | |
979 | * Ps = 8 -> No Auto-repeat Keys (DECARM). | |
980 | * Ps = 9 -> Don't send Mouse X & Y on button press. | |
981 | * Ps = 1 0 -> Hide toolbar (rxvt). | |
982 | * Ps = 1 2 -> Stop Blinking Cursor (att610). | |
983 | * Ps = 1 8 -> Don't print form feed (DECPFF). | |
984 | * Ps = 1 9 -> Limit print to scrolling region (DECPEX). | |
985 | * Ps = 2 5 -> Hide Cursor (DECTCEM). | |
986 | * Ps = 3 0 -> Don't show scrollbar (rxvt). | |
987 | * Ps = 3 5 -> Disable font-shifting functions (rxvt). | |
988 | * Ps = 4 0 -> Disallow 80 -> 132 Mode. | |
989 | * Ps = 4 1 -> No more(1) fix (see curses resource). | |
990 | * Ps = 4 2 -> Disable Nation Replacement Character sets (DEC- | |
991 | * NRCM). | |
992 | * Ps = 4 4 -> Turn Off Margin Bell. | |
993 | * Ps = 4 5 -> No Reverse-wraparound Mode. | |
994 | * Ps = 4 6 -> Stop Logging. (This is normally disabled by a | |
995 | * compile-time option). | |
996 | * Ps = 4 7 -> Use Normal Screen Buffer. | |
997 | * Ps = 6 6 -> Numeric keypad (DECNKM). | |
998 | * Ps = 6 7 -> Backarrow key sends delete (DECBKM). | |
999 | * Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and | |
1000 | * release. See the section Mouse Tracking. | |
1001 | * Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking. | |
1002 | * Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking. | |
1003 | * Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking. | |
1004 | * Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events. | |
1005 | * Ps = 1 0 0 5 -> Disable Extended Mouse Mode. | |
1006 | * Ps = 1 0 1 0 -> Don't scroll to bottom on tty output | |
1007 | * (rxvt). | |
1008 | * Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt). | |
1009 | * Ps = 1 0 3 4 -> Don't interpret "meta" key. (This disables | |
1010 | * the eightBitInput resource). | |
1011 | * Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num- | |
1012 | * Lock keys. (This disables the numLock resource). | |
1013 | * Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key. | |
1014 | * (This disables the metaSendsEscape resource). | |
1015 | * Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad | |
1016 | * Delete key. | |
1017 | * Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key. | |
1018 | * (This disables the altSendsEscape resource). | |
1019 | * Ps = 1 0 4 0 -> Do not keep selection when not highlighted. | |
1020 | * (This disables the keepSelection resource). | |
1021 | * Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables | |
1022 | * the selectToClipboard resource). | |
1023 | * Ps = 1 0 4 2 -> Disable Urgency window manager hint when | |
1024 | * Control-G is received. (This disables the bellIsUrgent | |
1025 | * resource). | |
1026 | * Ps = 1 0 4 3 -> Disable raising of the window when Control- | |
1027 | * G is received. (This disables the popOnBell resource). | |
1028 | * Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen | |
1029 | * first if in the Alternate Screen. (This may be disabled by | |
1030 | * the titeInhibit resource). | |
1031 | * Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be | |
1032 | * disabled by the titeInhibit resource). | |
1033 | * Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor | |
1034 | * as in DECRC. (This may be disabled by the titeInhibit | |
1035 | * resource). This combines the effects of the 1 0 4 7 and 1 0 | |
1036 | * 4 8 modes. Use this with terminfo-based applications rather | |
1037 | * than the 4 7 mode. | |
1038 | * Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode. | |
1039 | * Ps = 1 0 5 1 -> Reset Sun function-key mode. | |
1040 | * Ps = 1 0 5 2 -> Reset HP function-key mode. | |
1041 | * Ps = 1 0 5 3 -> Reset SCO function-key mode. | |
1042 | * Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6). | |
1043 | * Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style. | |
1044 | * Ps = 2 0 0 4 -> Reset bracketed paste mode. | |
1045 | */ | |
1046 | public resetMode(params: number[]): void { | |
1047 | if (params.length > 1) { | |
1048 | for (let i = 0; i < params.length; i++) { | |
9359dca0 | 1049 | this.resetMode([params[i]]); |
9b662080 DI |
1050 | } |
1051 | ||
1052 | return; | |
1053 | } | |
1054 | ||
1055 | if (!this._terminal.prefix) { | |
1056 | switch (params[0]) { | |
1057 | case 4: | |
1058 | this._terminal.insertMode = false; | |
1059 | break; | |
1060 | case 20: | |
1061 | // this._terminal.convertEol = false; | |
1062 | break; | |
1063 | } | |
1064 | } else if (this._terminal.prefix === '?') { | |
1065 | switch (params[0]) { | |
1066 | case 1: | |
1067 | this._terminal.applicationCursor = false; | |
1068 | break; | |
1069 | case 3: | |
1070 | if (this._terminal.cols === 132 && this._terminal.savedCols) { | |
1071 | this._terminal.resize(this._terminal.savedCols, this._terminal.rows); | |
1072 | } | |
1073 | delete this._terminal.savedCols; | |
1074 | break; | |
1075 | case 6: | |
1076 | this._terminal.originMode = false; | |
1077 | break; | |
1078 | case 7: | |
1079 | this._terminal.wraparoundMode = false; | |
1080 | break; | |
1081 | case 12: | |
1082 | // this.cursorBlink = false; | |
1083 | break; | |
1084 | case 66: | |
1085 | this._terminal.log('Switching back to normal keypad.'); | |
1086 | this._terminal.applicationKeypad = false; | |
1087 | this._terminal.viewport.syncScrollArea(); | |
1088 | break; | |
1089 | case 9: // X10 Mouse | |
1090 | case 1000: // vt200 mouse | |
1091 | case 1002: // button event mouse | |
1092 | case 1003: // any event mouse | |
1093 | this._terminal.x10Mouse = false; | |
1094 | this._terminal.vt200Mouse = false; | |
1095 | this._terminal.normalMouse = false; | |
1096 | this._terminal.mouseEvents = false; | |
ab40908f DI |
1097 | this._terminal.element.classList.remove('enable-mouse-events'); |
1098 | this._terminal.selectionManager.enable(); | |
9b662080 DI |
1099 | break; |
1100 | case 1004: // send focusin/focusout events | |
1101 | this._terminal.sendFocus = false; | |
1102 | break; | |
1103 | case 1005: // utf8 ext mode mouse | |
1104 | this._terminal.utfMouse = false; | |
1105 | break; | |
1106 | case 1006: // sgr ext mode mouse | |
1107 | this._terminal.sgrMouse = false; | |
1108 | break; | |
1109 | case 1015: // urxvt ext mode mouse | |
1110 | this._terminal.urxvtMouse = false; | |
1111 | break; | |
1112 | case 25: // hide cursor | |
1113 | this._terminal.cursorHidden = true; | |
1114 | break; | |
1115 | case 1049: // alt screen buffer cursor | |
79965708 | 1116 | // FALL-THROUGH |
9b662080 DI |
1117 | case 47: // normal screen buffer |
1118 | case 1047: // normal screen buffer - clearing it first | |
4626e19b PK |
1119 | // Ensure the selection manager has the correct buffer |
1120 | this._terminal.buffers.activateNormalBuffer(); | |
604959a3 DI |
1121 | // TODO: Not sure if we need to save/restore after switching the buffer |
1122 | // if (params[0] === 1049) { | |
1123 | // this.restoreCursor(params); | |
1124 | // } | |
4626e19b PK |
1125 | this._terminal.selectionManager.setBuffer(this._terminal.buffer.lines); |
1126 | this._terminal.refresh(0, this._terminal.rows - 1); | |
1127 | this._terminal.viewport.syncScrollArea(); | |
1128 | this._terminal.showCursor(); | |
9b662080 DI |
1129 | break; |
1130 | } | |
1131 | } | |
1132 | } | |
1133 | ||
db81c28b DI |
1134 | /** |
1135 | * CSI Pm m Character Attributes (SGR). | |
1136 | * Ps = 0 -> Normal (default). | |
1137 | * Ps = 1 -> Bold. | |
1138 | * Ps = 4 -> Underlined. | |
1139 | * Ps = 5 -> Blink (appears as Bold). | |
1140 | * Ps = 7 -> Inverse. | |
1141 | * Ps = 8 -> Invisible, i.e., hidden (VT300). | |
1142 | * Ps = 2 2 -> Normal (neither bold nor faint). | |
1143 | * Ps = 2 4 -> Not underlined. | |
1144 | * Ps = 2 5 -> Steady (not blinking). | |
1145 | * Ps = 2 7 -> Positive (not inverse). | |
1146 | * Ps = 2 8 -> Visible, i.e., not hidden (VT300). | |
1147 | * Ps = 3 0 -> Set foreground color to Black. | |
1148 | * Ps = 3 1 -> Set foreground color to Red. | |
1149 | * Ps = 3 2 -> Set foreground color to Green. | |
1150 | * Ps = 3 3 -> Set foreground color to Yellow. | |
1151 | * Ps = 3 4 -> Set foreground color to Blue. | |
1152 | * Ps = 3 5 -> Set foreground color to Magenta. | |
1153 | * Ps = 3 6 -> Set foreground color to Cyan. | |
1154 | * Ps = 3 7 -> Set foreground color to White. | |
1155 | * Ps = 3 9 -> Set foreground color to default (original). | |
1156 | * Ps = 4 0 -> Set background color to Black. | |
1157 | * Ps = 4 1 -> Set background color to Red. | |
1158 | * Ps = 4 2 -> Set background color to Green. | |
1159 | * Ps = 4 3 -> Set background color to Yellow. | |
1160 | * Ps = 4 4 -> Set background color to Blue. | |
1161 | * Ps = 4 5 -> Set background color to Magenta. | |
1162 | * Ps = 4 6 -> Set background color to Cyan. | |
1163 | * Ps = 4 7 -> Set background color to White. | |
1164 | * Ps = 4 9 -> Set background color to default (original). | |
1165 | * | |
1166 | * If 16-color support is compiled, the following apply. Assume | |
1167 | * that xterm's resources are set so that the ISO color codes are | |
1168 | * the first 8 of a set of 16. Then the aixterm colors are the | |
1169 | * bright versions of the ISO colors: | |
1170 | * Ps = 9 0 -> Set foreground color to Black. | |
1171 | * Ps = 9 1 -> Set foreground color to Red. | |
1172 | * Ps = 9 2 -> Set foreground color to Green. | |
1173 | * Ps = 9 3 -> Set foreground color to Yellow. | |
1174 | * Ps = 9 4 -> Set foreground color to Blue. | |
1175 | * Ps = 9 5 -> Set foreground color to Magenta. | |
1176 | * Ps = 9 6 -> Set foreground color to Cyan. | |
1177 | * Ps = 9 7 -> Set foreground color to White. | |
1178 | * Ps = 1 0 0 -> Set background color to Black. | |
1179 | * Ps = 1 0 1 -> Set background color to Red. | |
1180 | * Ps = 1 0 2 -> Set background color to Green. | |
1181 | * Ps = 1 0 3 -> Set background color to Yellow. | |
1182 | * Ps = 1 0 4 -> Set background color to Blue. | |
1183 | * Ps = 1 0 5 -> Set background color to Magenta. | |
1184 | * Ps = 1 0 6 -> Set background color to Cyan. | |
1185 | * Ps = 1 0 7 -> Set background color to White. | |
1186 | * | |
1187 | * If xterm is compiled with the 16-color support disabled, it | |
1188 | * supports the following, from rxvt: | |
1189 | * Ps = 1 0 0 -> Set foreground and background color to | |
1190 | * default. | |
1191 | * | |
1192 | * If 88- or 256-color support is compiled, the following apply. | |
1193 | * Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second | |
1194 | * Ps. | |
1195 | * Ps = 4 8 ; 5 ; Ps -> Set background color to the second | |
1196 | * Ps. | |
1197 | */ | |
411b80cd | 1198 | public charAttributes(params: number[]): void { |
db81c28b DI |
1199 | // Optimize a single SGR0. |
1200 | if (params.length === 1 && params[0] === 0) { | |
1201 | this._terminal.curAttr = this._terminal.defAttr; | |
1202 | return; | |
1203 | } | |
1204 | ||
1205 | let l = params.length | |
1206 | , i = 0 | |
1207 | , flags = this._terminal.curAttr >> 18 | |
1208 | , fg = (this._terminal.curAttr >> 9) & 0x1ff | |
1209 | , bg = this._terminal.curAttr & 0x1ff | |
1210 | , p; | |
1211 | ||
1212 | for (; i < l; i++) { | |
1213 | p = params[i]; | |
1214 | if (p >= 30 && p <= 37) { | |
1215 | // fg color 8 | |
1216 | fg = p - 30; | |
1217 | } else if (p >= 40 && p <= 47) { | |
1218 | // bg color 8 | |
1219 | bg = p - 40; | |
1220 | } else if (p >= 90 && p <= 97) { | |
1221 | // fg color 16 | |
1222 | p += 8; | |
1223 | fg = p - 90; | |
1224 | } else if (p >= 100 && p <= 107) { | |
1225 | // bg color 16 | |
1226 | p += 8; | |
1227 | bg = p - 100; | |
1228 | } else if (p === 0) { | |
1229 | // default | |
1230 | flags = this._terminal.defAttr >> 18; | |
1231 | fg = (this._terminal.defAttr >> 9) & 0x1ff; | |
1232 | bg = this._terminal.defAttr & 0x1ff; | |
1233 | // flags = 0; | |
1234 | // fg = 0x1ff; | |
1235 | // bg = 0x1ff; | |
1236 | } else if (p === 1) { | |
1237 | // bold text | |
1238 | flags |= 1; | |
1239 | } else if (p === 4) { | |
1240 | // underlined text | |
1241 | flags |= 2; | |
1242 | } else if (p === 5) { | |
1243 | // blink | |
1244 | flags |= 4; | |
1245 | } else if (p === 7) { | |
1246 | // inverse and positive | |
1247 | // test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m' | |
1248 | flags |= 8; | |
1249 | } else if (p === 8) { | |
1250 | // invisible | |
1251 | flags |= 16; | |
1252 | } else if (p === 22) { | |
1253 | // not bold | |
1254 | flags &= ~1; | |
1255 | } else if (p === 24) { | |
1256 | // not underlined | |
1257 | flags &= ~2; | |
1258 | } else if (p === 25) { | |
1259 | // not blink | |
1260 | flags &= ~4; | |
1261 | } else if (p === 27) { | |
1262 | // not inverse | |
1263 | flags &= ~8; | |
1264 | } else if (p === 28) { | |
1265 | // not invisible | |
1266 | flags &= ~16; | |
1267 | } else if (p === 39) { | |
1268 | // reset fg | |
1269 | fg = (this._terminal.defAttr >> 9) & 0x1ff; | |
1270 | } else if (p === 49) { | |
1271 | // reset bg | |
1272 | bg = this._terminal.defAttr & 0x1ff; | |
1273 | } else if (p === 38) { | |
1274 | // fg color 256 | |
1275 | if (params[i + 1] === 2) { | |
1276 | i += 2; | |
1277 | fg = this._terminal.matchColor( | |
1278 | params[i] & 0xff, | |
1279 | params[i + 1] & 0xff, | |
1280 | params[i + 2] & 0xff); | |
1281 | if (fg === -1) fg = 0x1ff; | |
1282 | i += 2; | |
1283 | } else if (params[i + 1] === 5) { | |
1284 | i += 2; | |
1285 | p = params[i] & 0xff; | |
1286 | fg = p; | |
1287 | } | |
1288 | } else if (p === 48) { | |
1289 | // bg color 256 | |
1290 | if (params[i + 1] === 2) { | |
1291 | i += 2; | |
1292 | bg = this._terminal.matchColor( | |
1293 | params[i] & 0xff, | |
1294 | params[i + 1] & 0xff, | |
1295 | params[i + 2] & 0xff); | |
1296 | if (bg === -1) bg = 0x1ff; | |
1297 | i += 2; | |
1298 | } else if (params[i + 1] === 5) { | |
1299 | i += 2; | |
1300 | p = params[i] & 0xff; | |
1301 | bg = p; | |
1302 | } | |
1303 | } else if (p === 100) { | |
1304 | // reset fg/bg | |
1305 | fg = (this._terminal.defAttr >> 9) & 0x1ff; | |
1306 | bg = this._terminal.defAttr & 0x1ff; | |
1307 | } else { | |
1308 | this._terminal.error('Unknown SGR attribute: %d.', p); | |
1309 | } | |
1310 | } | |
1311 | ||
1312 | this._terminal.curAttr = (flags << 18) | (fg << 9) | bg; | |
1313 | } | |
1314 | ||
1315 | /** | |
1316 | * CSI Ps n Device Status Report (DSR). | |
1317 | * Ps = 5 -> Status Report. Result (``OK'') is | |
1318 | * CSI 0 n | |
1319 | * Ps = 6 -> Report Cursor Position (CPR) [row;column]. | |
1320 | * Result is | |
1321 | * CSI r ; c R | |
1322 | * CSI ? Ps n | |
1323 | * Device Status Report (DSR, DEC-specific). | |
1324 | * Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI | |
1325 | * ? r ; c R (assumes page is zero). | |
1326 | * Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready). | |
1327 | * or CSI ? 1 1 n (not ready). | |
1328 | * Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked) | |
1329 | * or CSI ? 2 1 n (locked). | |
1330 | * Ps = 2 6 -> Report Keyboard status as | |
1331 | * CSI ? 2 7 ; 1 ; 0 ; 0 n (North American). | |
1332 | * The last two parameters apply to VT400 & up, and denote key- | |
1333 | * board ready and LK01 respectively. | |
1334 | * Ps = 5 3 -> Report Locator status as | |
1335 | * CSI ? 5 3 n Locator available, if compiled-in, or | |
1336 | * CSI ? 5 0 n No Locator, if not. | |
1337 | */ | |
411b80cd | 1338 | public deviceStatus(params: number[]): void { |
db81c28b DI |
1339 | if (!this._terminal.prefix) { |
1340 | switch (params[0]) { | |
1341 | case 5: | |
1342 | // status report | |
1343 | this._terminal.send(C0.ESC + '[0n'); | |
1344 | break; | |
1345 | case 6: | |
1346 | // cursor position | |
1347 | this._terminal.send(C0.ESC + '[' | |
bbafdd3d | 1348 | + (this._terminal.buffer.y + 1) |
db81c28b | 1349 | + ';' |
bbafdd3d | 1350 | + (this._terminal.buffer.x + 1) |
db81c28b DI |
1351 | + 'R'); |
1352 | break; | |
1353 | } | |
1354 | } else if (this._terminal.prefix === '?') { | |
1355 | // modern xterm doesnt seem to | |
1356 | // respond to any of these except ?6, 6, and 5 | |
1357 | switch (params[0]) { | |
1358 | case 6: | |
1359 | // cursor position | |
1360 | this._terminal.send(C0.ESC + '[?' | |
bbafdd3d | 1361 | + (this._terminal.buffer.y + 1) |
db81c28b | 1362 | + ';' |
bbafdd3d | 1363 | + (this._terminal.buffer.x + 1) |
db81c28b DI |
1364 | + 'R'); |
1365 | break; | |
1366 | case 15: | |
1367 | // no printer | |
1368 | // this.send(C0.ESC + '[?11n'); | |
1369 | break; | |
1370 | case 25: | |
1371 | // dont support user defined keys | |
1372 | // this.send(C0.ESC + '[?21n'); | |
1373 | break; | |
1374 | case 26: | |
1375 | // north american keyboard | |
1376 | // this.send(C0.ESC + '[?27;1;0;0n'); | |
1377 | break; | |
1378 | case 53: | |
1379 | // no dec locator/mouse | |
1380 | // this.send(C0.ESC + '[?50n'); | |
1381 | break; | |
1382 | } | |
1383 | } | |
1384 | } | |
1385 | ||
f4846aa1 DI |
1386 | /** |
1387 | * CSI ! p Soft terminal reset (DECSTR). | |
1388 | * http://vt100.net/docs/vt220-rm/table4-10.html | |
1389 | */ | |
1390 | public softReset(params: number[]): void { | |
1391 | this._terminal.cursorHidden = false; | |
1392 | this._terminal.insertMode = false; | |
1393 | this._terminal.originMode = false; | |
c53183d9 | 1394 | this._terminal.wraparoundMode = true; // defaults: xterm - true, vt100 - false |
f4846aa1 DI |
1395 | this._terminal.applicationKeypad = false; // ? |
1396 | this._terminal.viewport.syncScrollArea(); | |
1397 | this._terminal.applicationCursor = false; | |
4626e19b PK |
1398 | this._terminal.buffer.scrollTop = 0; |
1399 | this._terminal.buffer.scrollBottom = this._terminal.rows - 1; | |
f4846aa1 | 1400 | this._terminal.curAttr = this._terminal.defAttr; |
bbafdd3d | 1401 | this._terminal.buffer.x = this._terminal.buffer.y = 0; // ? |
f4846aa1 DI |
1402 | this._terminal.charset = null; |
1403 | this._terminal.glevel = 0; // ?? | |
1404 | this._terminal.charsets = [null]; // ?? | |
1405 | } | |
1406 | ||
0bd469f5 DI |
1407 | /** |
1408 | * CSI Ps SP q Set cursor style (DECSCUSR, VT520). | |
1409 | * Ps = 0 -> blinking block. | |
1410 | * Ps = 1 -> blinking block (default). | |
1411 | * Ps = 2 -> steady block. | |
1412 | * Ps = 3 -> blinking underline. | |
1413 | * Ps = 4 -> steady underline. | |
1414 | * Ps = 5 -> blinking bar (xterm). | |
1415 | * Ps = 6 -> steady bar (xterm). | |
1416 | */ | |
1417 | public setCursorStyle(params?: number[]): void { | |
1418 | const param = params[0] < 1 ? 1 : params[0]; | |
1419 | switch (param) { | |
1420 | case 1: | |
1421 | case 2: | |
1422 | this._terminal.setOption('cursorStyle', 'block'); | |
1423 | break; | |
1424 | case 3: | |
1425 | case 4: | |
1426 | this._terminal.setOption('cursorStyle', 'underline'); | |
1427 | break; | |
1428 | case 5: | |
1429 | case 6: | |
1430 | this._terminal.setOption('cursorStyle', 'bar'); | |
1431 | break; | |
1432 | } | |
1433 | const isBlinking = param % 2 === 1; | |
1434 | this._terminal.setOption('cursorBlink', isBlinking); | |
1435 | } | |
1436 | ||
9b662080 DI |
1437 | /** |
1438 | * CSI Ps ; Ps r | |
1439 | * Set Scrolling Region [top;bottom] (default = full size of win- | |
1440 | * dow) (DECSTBM). | |
1441 | * CSI ? Pm r | |
1442 | */ | |
1443 | public setScrollRegion(params: number[]): void { | |
1444 | if (this._terminal.prefix) return; | |
4626e19b PK |
1445 | this._terminal.buffer.scrollTop = (params[0] || 1) - 1; |
1446 | this._terminal.buffer.scrollBottom = (params[1] && params[1] <= this._terminal.rows ? params[1] : this._terminal.rows) - 1; | |
bbafdd3d PK |
1447 | this._terminal.buffer.x = 0; |
1448 | this._terminal.buffer.y = 0; | |
9b662080 DI |
1449 | } |
1450 | ||
1451 | ||
1452 | /** | |
1453 | * CSI s | |
1454 | * Save cursor (ANSI.SYS). | |
1455 | */ | |
1456 | public saveCursor(params: number[]): void { | |
604959a3 DI |
1457 | this._terminal.buffer.savedX = this._terminal.buffer.x; |
1458 | this._terminal.buffer.savedY = this._terminal.buffer.y; | |
9b662080 DI |
1459 | } |
1460 | ||
1461 | ||
1462 | /** | |
1463 | * CSI u | |
1464 | * Restore cursor (ANSI.SYS). | |
1465 | */ | |
1466 | public restoreCursor(params: number[]): void { | |
604959a3 DI |
1467 | this._terminal.buffer.x = this._terminal.buffer.savedX || 0; |
1468 | this._terminal.buffer.y = this._terminal.buffer.savedY || 0; | |
9b662080 | 1469 | } |
04b1ebf1 | 1470 | } |
fa3484cd | 1471 | |
b965d0a0 JB |
1472 | export const wcwidth = (function(opts) { |
1473 | // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c | |
1474 | // combining characters | |
1475 | const COMBINING_BMP = [ | |
1232c00d JB |
1476 | [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489], |
1477 | [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2], | |
1478 | [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603], | |
1479 | [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670], | |
1480 | [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED], | |
1481 | [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A], | |
1482 | [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902], | |
1483 | [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D], | |
1484 | [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981], | |
1485 | [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD], | |
1486 | [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C], | |
1487 | [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D], | |
1488 | [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC], | |
1489 | [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD], | |
1490 | [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C], | |
1491 | [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D], | |
1492 | [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0], | |
1493 | [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48], | |
1494 | [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC], | |
1495 | [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD], | |
1496 | [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D], | |
1497 | [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6], | |
1498 | [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E], | |
1499 | [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC], | |
1500 | [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35], | |
1501 | [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E], | |
1502 | [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97], | |
1503 | [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030], | |
1504 | [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039], | |
1505 | [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F], | |
1506 | [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753], | |
1507 | [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD], | |
1508 | [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD], | |
1509 | [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922], | |
1510 | [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B], | |
1511 | [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34], | |
1512 | [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42], | |
1513 | [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF], | |
1514 | [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063], | |
1515 | [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F], | |
1516 | [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B], | |
1517 | [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F], | |
1518 | [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB], | |
b965d0a0 JB |
1519 | ]; |
1520 | const COMBINING_HIGH = [ | |
1232c00d JB |
1521 | [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F], |
1522 | [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169], | |
1523 | [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD], | |
1524 | [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F], | |
1525 | [0xE0100, 0xE01EF] | |
b965d0a0 JB |
1526 | ]; |
1527 | // binary search | |
1528 | function bisearch(ucs, data) { | |
1232c00d JB |
1529 | let min = 0; |
1530 | let max = data.length - 1; | |
1531 | let mid; | |
1532 | if (ucs < data[0][0] || ucs > data[max][1]) | |
b965d0a0 | 1533 | return false; |
1232c00d JB |
1534 | while (max >= min) { |
1535 | mid = (min + max) >> 1; | |
1536 | if (ucs > data[mid][1]) | |
1537 | min = mid + 1; | |
1538 | else if (ucs < data[mid][0]) | |
1539 | max = mid - 1; | |
1540 | else | |
1541 | return true; | |
1542 | } | |
1543 | return false; | |
b965d0a0 JB |
1544 | } |
1545 | function wcwidthBMP(ucs) { | |
1232c00d JB |
1546 | // test for 8-bit control characters |
1547 | if (ucs === 0) | |
1548 | return opts.nul; | |
1549 | if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0)) | |
1550 | return opts.control; | |
1551 | // binary search in table of non-spacing characters | |
1552 | if (bisearch(ucs, COMBINING_BMP)) | |
1553 | return 0; | |
1554 | // if we arrive here, ucs is not a combining or C0/C1 control character | |
1555 | if (isWideBMP(ucs)) { | |
1556 | return 2; | |
1557 | } | |
1558 | return 1; | |
b965d0a0 JB |
1559 | } |
1560 | function isWideBMP(ucs) { | |
1232c00d | 1561 | return ( |
b965d0a0 | 1562 | ucs >= 0x1100 && ( |
fa3484cd DI |
1563 | ucs <= 0x115f || // Hangul Jamo init. consonants |
1564 | ucs === 0x2329 || | |
1565 | ucs === 0x232a || | |
1566 | (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs !== 0x303f) || // CJK..Yi | |
1567 | (ucs >= 0xac00 && ucs <= 0xd7a3) || // Hangul Syllables | |
1568 | (ucs >= 0xf900 && ucs <= 0xfaff) || // CJK Compat Ideographs | |
1569 | (ucs >= 0xfe10 && ucs <= 0xfe19) || // Vertical forms | |
1570 | (ucs >= 0xfe30 && ucs <= 0xfe6f) || // CJK Compat Forms | |
1571 | (ucs >= 0xff00 && ucs <= 0xff60) || // Fullwidth Forms | |
b965d0a0 JB |
1572 | (ucs >= 0xffe0 && ucs <= 0xffe6))); |
1573 | } | |
1574 | function wcwidthHigh(ucs) { | |
1232c00d JB |
1575 | if (bisearch(ucs, COMBINING_HIGH)) |
1576 | return 0; | |
1577 | if ((ucs >= 0x20000 && ucs <= 0x2fffd) || (ucs >= 0x30000 && ucs <= 0x3fffd)) { | |
1578 | return 2; | |
1579 | } | |
1580 | return 1; | |
1581 | } | |
598a729f JB |
1582 | const control = opts.control | 0; |
1583 | let table = null; | |
1584 | function init_table() { | |
1585 | // lookup table for BMP | |
1586 | const CODEPOINTS = 65536; // BMP holds 65536 codepoints | |
1587 | const BITWIDTH = 2; // a codepoint can have a width of 0, 1 or 2 | |
1588 | const ITEMSIZE = 32; // using uint32_t | |
1589 | const CONTAINERSIZE = CODEPOINTS * BITWIDTH / ITEMSIZE; | |
1590 | const CODEPOINTS_PER_ITEM = ITEMSIZE / BITWIDTH; | |
1591 | table = (typeof Uint32Array === 'undefined') | |
1592 | ? new Array(CONTAINERSIZE) | |
1593 | : new Uint32Array(CONTAINERSIZE); | |
1594 | for (let i = 0; i < CONTAINERSIZE; ++i) { | |
1595 | let num = 0; | |
1596 | let pos = CODEPOINTS_PER_ITEM; | |
1597 | while (pos--) | |
1598 | num = (num << 2) | wcwidthBMP(CODEPOINTS_PER_ITEM * i + pos); | |
1599 | table[i] = num; | |
1600 | } | |
1601 | return table; | |
1232c00d | 1602 | } |
6ed5c9e6 | 1603 | // get width from lookup table |
1232c00d JB |
1604 | // position in container : num / CODEPOINTS_PER_ITEM |
1605 | // ==> n = table[Math.floor(num / 16)] | |
1606 | // ==> n = table[num >> 4] | |
1607 | // 16 codepoints per number: FFEEDDCCBBAA99887766554433221100 | |
1608 | // position in number : (num % CODEPOINTS_PER_ITEM) * BITWIDTH | |
1609 | // ==> m = (n % 16) * 2 | |
1610 | // ==> m = (num & 15) << 1 | |
1611 | // right shift to position m | |
1612 | // ==> n = n >> m e.g. m=12 000000000000FFEEDDCCBBAA99887766 | |
6ed5c9e6 | 1613 | // we are only interested in 2 LSBs, cut off higher bits |
1232c00d | 1614 | // ==> n = n & 3 e.g. 000000000000000000000000000000XX |
b965d0a0 | 1615 | return function (num) { |
1232c00d JB |
1616 | num = num | 0; // get asm.js like optimization under V8 |
1617 | if (num < 32) | |
598a729f JB |
1618 | return control | 0; |
1619 | if (num < 127) | |
1232c00d | 1620 | return 1; |
598a729f JB |
1621 | let t = table || init_table(); |
1622 | if (num < 65536) | |
1623 | return t[num >> 4] >> ((num & 15) << 1) & 3; | |
1232c00d | 1624 | // do a full search for high codepoints |
598a729f | 1625 | return wcwidthHigh(num); |
ba2d0e8d | 1626 | }; |
fa3484cd | 1627 | })({nul: 0, control: 0}); // configurable options |