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1 | /* | |
2 | ||
3 | Copyright (C) 2013 Proxmox Server Solutions GmbH | |
4 | ||
5 | Copyright: spiceterm is under GNU GPL, the GNU General Public License. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; version 2 dated June, 1991. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
19 | 02111-1307, USA. | |
20 | ||
21 | Author: Dietmar Maurer <dietmar@proxmox.com> | |
22 | ||
23 | Note: most of the code here is copied from vncterm (which is | |
24 | also written by me). | |
25 | ||
26 | */ | |
27 | ||
28 | #define _GNU_SOURCE | |
29 | ||
30 | #include <stdio.h> | |
31 | #include <stdlib.h> | |
32 | #include <unistd.h> | |
33 | #include <sys/types.h> | |
34 | #include <sys/socket.h> | |
35 | #include <arpa/inet.h> | |
36 | #include <netdb.h> | |
37 | #include <pty.h> /* for openpty and forkpty */ | |
38 | #include <string.h> | |
39 | #include <errno.h> | |
40 | #include <sys/ioctl.h> | |
41 | #include <sys/wait.h> | |
42 | #include <signal.h> | |
43 | #include <locale.h> | |
44 | #include <getopt.h> | |
45 | ||
46 | #include "spiceterm.h" | |
47 | ||
48 | #include <glib.h> | |
49 | #include <spice.h> | |
50 | #include <spice/enums.h> | |
51 | #include <spice/macros.h> | |
52 | #include <spice/qxl_dev.h> | |
53 | ||
54 | #include "event_loop.h" | |
55 | #include "translations.h" | |
56 | ||
57 | static int debug = 0; | |
58 | ||
59 | #define DPRINTF(x, format, ...) { \ | |
60 | if (x <= debug) { \ | |
61 | printf("%s: " format "\n" , __FUNCTION__, ## __VA_ARGS__); \ | |
62 | } \ | |
63 | } | |
64 | ||
65 | #define TERM "xterm" | |
66 | ||
67 | #define TERMIDCODE "[?1;2c" // vt100 ID | |
68 | ||
69 | /* these colours are from linux kernel drivers/char/vt.c */ | |
70 | ||
71 | unsigned char color_table[] = { 0, 4, 2, 6, 1, 5, 3, 7, | |
72 | 8,12,10,14, 9,13,11,15 }; | |
73 | ||
74 | static void | |
75 | draw_char_at(spiceTerm *vt, int x, int y, gunichar2 ch, TextAttributes attrib) | |
76 | { | |
77 | if (x < 0 || y < 0 || x >= vt->width || y >= vt->height) { | |
78 | return; | |
79 | } | |
80 | ||
81 | spice_screen_draw_char(vt->screen, x, y, ch, attrib); | |
82 | } | |
83 | ||
84 | static void | |
85 | spiceterm_update_xy(spiceTerm *vt, int x, int y) | |
86 | { | |
87 | if (x < 0 || y < 0 || x >= vt->width || y >= vt->height) { return; } | |
88 | ||
89 | int y1 = (vt->y_base + y) % vt->total_height; | |
90 | int y2 = y1 - vt->y_displ; | |
91 | if (y2 < 0) { | |
92 | y2 += vt->total_height; | |
93 | } | |
94 | if (y2 < vt->height) { | |
95 | TextCell *c = &vt->cells[y1 * vt->width + x]; | |
96 | draw_char_at(vt, x, y2, c->ch, c->attrib); | |
97 | } | |
98 | } | |
99 | ||
100 | static void | |
101 | spiceterm_clear_xy(spiceTerm *vt, int x, int y) | |
102 | { | |
103 | if (x < 0 || y < 0 || x >= vt->width || y >= vt->height) { return; } | |
104 | ||
105 | int y1 = (vt->y_base + y) % vt->total_height; | |
106 | int y2 = y1 - vt->y_displ; | |
107 | if (y2 < 0) { | |
108 | y2 += vt->total_height; | |
109 | } | |
110 | if (y2 < vt->height) { | |
111 | TextCell *c = &vt->cells[y1 * vt->width + x]; | |
112 | c->ch = ' '; | |
113 | c->attrib = vt->default_attrib; | |
114 | c->attrib.fgcol = vt->cur_attrib.fgcol; | |
115 | c->attrib.bgcol = vt->cur_attrib.bgcol; | |
116 | ||
117 | draw_char_at(vt, x, y, c->ch, c->attrib); | |
118 | } | |
119 | } | |
120 | ||
121 | void | |
122 | spiceterm_toggle_marked_cell(spiceTerm *vt, int pos) | |
123 | { | |
124 | int x = (pos%vt->width); | |
125 | int y = (pos/vt->width); | |
126 | ||
127 | if (x < 0 || y < 0 || x >= vt->width || y >= vt->height) { return; } | |
128 | ||
129 | int y1 = (vt->y_displ + y) % vt->total_height; | |
130 | ||
131 | TextCell *c = &vt->cells[y1 * vt->width + x]; | |
132 | c->attrib.selected = c->attrib.selected ? 0 : 1; | |
133 | ||
134 | if (y < vt->height) { | |
135 | draw_char_at(vt, x, y, c->ch, c->attrib); | |
136 | } | |
137 | } | |
138 | ||
139 | static void | |
140 | spiceterm_show_cursor(spiceTerm *vt, int show) | |
141 | { | |
142 | int x = vt->cx; | |
143 | if (x >= vt->width) { | |
144 | x = vt->width - 1; | |
145 | } | |
146 | ||
147 | int y1 = (vt->y_base + vt->cy) % vt->total_height; | |
148 | int y = y1 - vt->y_displ; | |
149 | if (y < 0) { | |
150 | y += vt->total_height; | |
151 | } | |
152 | ||
153 | if (y < vt->height) { | |
154 | ||
155 | TextCell *c = &vt->cells[y1 * vt->width + x]; | |
156 | ||
157 | if (show) { | |
158 | TextAttributes attrib = vt->default_attrib; | |
159 | attrib.invers = !(attrib.invers); /* invert fg and bg */ | |
160 | draw_char_at(vt, x, y, c->ch, attrib); | |
161 | } else { | |
162 | draw_char_at(vt, x, y, c->ch, c->attrib); | |
163 | } | |
164 | } | |
165 | } | |
166 | ||
167 | void | |
168 | spiceterm_refresh(spiceTerm *vt) | |
169 | { | |
170 | int x, y, y1; | |
171 | ||
172 | y1 = vt->y_displ; | |
173 | for(y = 0; y < vt->height; y++) { | |
174 | TextCell *c = vt->cells + y1 * vt->width; | |
175 | for(x = 0; x < vt->width; x++) { | |
176 | draw_char_at(vt, x, y, c->ch, c->attrib); | |
177 | c++; | |
178 | } | |
179 | if (++y1 == vt->total_height) | |
180 | y1 = 0; | |
181 | } | |
182 | ||
183 | spiceterm_show_cursor(vt, 1); | |
184 | } | |
185 | ||
186 | static void | |
187 | spiceterm_clear_screen(spiceTerm *vt) | |
188 | { | |
189 | int x, y; | |
190 | ||
191 | for (y = 0; y <= vt->height; y++) { | |
192 | int y1 = (vt->y_base + y) % vt->total_height; | |
193 | TextCell *c = &vt->cells[y1 * vt->width]; | |
194 | for (x = 0; x < vt->width; x++) { | |
195 | c->ch = ' '; | |
196 | c->attrib = vt->default_attrib; | |
197 | c->attrib.fgcol = vt->cur_attrib.fgcol; | |
198 | c->attrib.bgcol = vt->cur_attrib.bgcol; | |
199 | ||
200 | c++; | |
201 | } | |
202 | } | |
203 | ||
204 | spice_screen_clear(vt->screen, 0, 0, vt->screen->primary_width, | |
205 | vt->screen->primary_height); | |
206 | } | |
207 | ||
208 | void | |
209 | spiceterm_unselect_all(spiceTerm *vt) | |
210 | { | |
211 | int x, y, y1; | |
212 | ||
213 | y1 = vt->y_displ; | |
214 | for(y = 0; y < vt->total_height; y++) { | |
215 | TextCell *c = vt->cells + y1 * vt->width; | |
216 | for(x = 0; x < vt->width; x++) { | |
217 | if (c->attrib.selected) { | |
218 | c->attrib.selected = 0; | |
219 | if (y < vt->height) { | |
220 | draw_char_at(vt, x, y, c->ch, c->attrib); | |
221 | } | |
222 | } | |
223 | c++; | |
224 | } | |
225 | if (++y1 == vt->total_height) | |
226 | y1 = 0; | |
227 | } | |
228 | } | |
229 | ||
230 | static void | |
231 | spiceterm_scroll_down(spiceTerm *vt, int top, int bottom, int lines) | |
232 | { | |
233 | if ((top + lines) >= bottom) { | |
234 | lines = bottom - top -1; | |
235 | } | |
236 | ||
237 | if (top < 0 || bottom > vt->height || top >= bottom || lines < 1) { | |
238 | return; | |
239 | } | |
240 | ||
241 | int i; | |
242 | for(i = bottom - top - lines - 1; i >= 0; i--) { | |
243 | int src = ((vt->y_base + top + i) % vt->total_height)*vt->width; | |
244 | int dst = ((vt->y_base + top + lines + i) % vt->total_height)*vt->width; | |
245 | ||
246 | memmove(vt->cells + dst, vt->cells + src, vt->width*sizeof(TextCell)); | |
247 | } | |
248 | ||
249 | for (i = 0; i < lines; i++) { | |
250 | int j; | |
251 | TextCell *c = vt->cells + ((vt->y_base + top + i) % vt->total_height)*vt->width; | |
252 | for(j = 0; j < vt->width; j++) { | |
253 | c->attrib = vt->default_attrib; | |
254 | c->ch = ' '; | |
255 | c++; | |
256 | } | |
257 | } | |
258 | ||
259 | int h = lines * 16; | |
260 | int y0 = top*16; | |
261 | int y1 = y0 + h; | |
262 | int y2 = bottom*16; | |
263 | ||
264 | spice_screen_scroll(vt->screen, 0, y1, vt->screen->primary_width, y2, 0, y0); | |
265 | spice_screen_clear(vt->screen, 0, y0, vt->screen->primary_width, y1); | |
266 | } | |
267 | ||
268 | static void | |
269 | spiceterm_scroll_up(spiceTerm *vt, int top, int bottom, int lines, int moveattr) | |
270 | { | |
271 | if ((top + lines) >= bottom) { | |
272 | lines = bottom - top - 1; | |
273 | } | |
274 | ||
275 | if (top < 0 || bottom > vt->height || top >= bottom || lines < 1) { | |
276 | return; | |
277 | } | |
278 | ||
279 | ||
280 | int h = lines * 16; | |
281 | int y0 = top*16; | |
282 | int y1 = (top + lines)*16; | |
283 | int y2 = bottom*16; | |
284 | ||
285 | spice_screen_scroll(vt->screen, 0, y0, vt->screen->primary_width, y2 -h, 0, y1); | |
286 | spice_screen_clear(vt->screen, 0, y2 -h, vt->screen->primary_width, y2); | |
287 | ||
288 | if (!moveattr) { | |
289 | return; | |
290 | } | |
291 | ||
292 | // move attributes | |
293 | ||
294 | int i; | |
295 | for(i = 0; i < (bottom - top - lines); i++) { | |
296 | int dst = ((vt->y_base + top + i) % vt->total_height)*vt->width; | |
297 | int src = ((vt->y_base + top + lines + i) % vt->total_height)*vt->width; | |
298 | ||
299 | memmove(vt->cells + dst, vt->cells + src, vt->width*sizeof(TextCell)); | |
300 | } | |
301 | ||
302 | for (i = 1; i <= lines; i++) { | |
303 | int j; | |
304 | TextCell *c = vt->cells + ((vt->y_base + bottom - i) % vt->total_height)*vt->width; | |
305 | for(j = 0; j < vt->width; j++) { | |
306 | c->attrib = vt->default_attrib; | |
307 | c->ch = ' '; | |
308 | c++; | |
309 | } | |
310 | } | |
311 | } | |
312 | ||
313 | void | |
314 | spiceterm_virtual_scroll(spiceTerm *vt, int lines) | |
315 | { | |
316 | if (vt->altbuf || lines == 0) return; | |
317 | ||
318 | if (lines < 0) { | |
319 | lines = -lines; | |
320 | int i = vt->scroll_height; | |
321 | if (i > vt->total_height - vt->height) | |
322 | i = vt->total_height - vt->height; | |
323 | int y1 = vt->y_base - i; | |
324 | if (y1 < 0) | |
325 | y1 += vt->total_height; | |
326 | for(i = 0; i < lines; i++) { | |
327 | if (vt->y_displ == y1) break; | |
328 | if (--vt->y_displ < 0) { | |
329 | vt->y_displ = vt->total_height - 1; | |
330 | } | |
331 | } | |
332 | } else { | |
333 | int i; | |
334 | for(i = 0; i < lines; i++) { | |
335 | if (vt->y_displ == vt->y_base) break; | |
336 | if (++vt->y_displ == vt->total_height) { | |
337 | vt->y_displ = 0; | |
338 | } | |
339 | } | |
340 | } | |
341 | ||
342 | spiceterm_refresh(vt); | |
343 | } | |
344 | ||
345 | void | |
346 | spiceterm_respond_esc(spiceTerm *vt, const char *esc) | |
347 | { | |
348 | int len = strlen(esc); | |
349 | int i; | |
350 | ||
351 | if (vt->ibuf_count < (IBUFSIZE - 1 - len)) { | |
352 | vt->ibuf[vt->ibuf_count++] = 27; | |
353 | for (i = 0; i < len; i++) { | |
354 | vt->ibuf[vt->ibuf_count++] = esc[i]; | |
355 | } | |
356 | } else { | |
357 | fprintf(stderr, "input buffer oferflow\n"); | |
358 | return; | |
359 | } | |
360 | } | |
361 | ||
362 | void | |
363 | spiceterm_respond_data(spiceTerm *vt, int len, uint8_t *data) | |
364 | { | |
365 | int i; | |
366 | ||
367 | if (vt->ibuf_count < (IBUFSIZE - len)) { | |
368 | for (i = 0; i < len; i++) { | |
369 | vt->ibuf[vt->ibuf_count++] = data[i]; | |
370 | } | |
371 | } else { | |
372 | fprintf(stderr, "input buffer oferflow\n"); | |
373 | return; | |
374 | } | |
375 | } | |
376 | ||
377 | static void | |
378 | spiceterm_put_lf(spiceTerm *vt) | |
379 | { | |
380 | if (vt->cy + 1 == vt->region_bottom) { | |
381 | ||
382 | if (vt->altbuf || vt->region_top != 0 || vt->region_bottom != vt->height) { | |
383 | spiceterm_scroll_up(vt, vt->region_top, vt->region_bottom, 1, 1); | |
384 | return; | |
385 | } | |
386 | ||
387 | if (vt->y_displ == vt->y_base) { | |
388 | spiceterm_scroll_up(vt, vt->region_top, vt->region_bottom, 1, 0); | |
389 | } | |
390 | ||
391 | if (vt->y_displ == vt->y_base) { | |
392 | if (++vt->y_displ == vt->total_height) { | |
393 | vt->y_displ = 0; | |
394 | } | |
395 | } | |
396 | ||
397 | if (++vt->y_base == vt->total_height) { | |
398 | vt->y_base = 0; | |
399 | } | |
400 | ||
401 | if (vt->scroll_height < vt->total_height) { | |
402 | vt->scroll_height++; | |
403 | } | |
404 | ||
405 | int y1 = (vt->y_base + vt->height - 1) % vt->total_height; | |
406 | TextCell *c = &vt->cells[y1 * vt->width]; | |
407 | int x; | |
408 | for (x = 0; x < vt->width; x++) { | |
409 | c->ch = ' '; | |
410 | c->attrib = vt->default_attrib; | |
411 | c++; | |
412 | } | |
413 | ||
414 | // fprintf (stderr, "BASE: %d DISPLAY %d\n", vt->y_base, vt->y_displ); | |
415 | ||
416 | } else if (vt->cy < vt->height - 1) { | |
417 | vt->cy += 1; | |
418 | } | |
419 | } | |
420 | ||
421 | static void | |
422 | spiceterm_csi_m(spiceTerm *vt) | |
423 | { | |
424 | int i; | |
425 | ||
426 | for (i = 0; i < vt->esc_count; i++) { | |
427 | switch (vt->esc_buf[i]) { | |
428 | case 0: /* reset all console attributes to default */ | |
429 | vt->cur_attrib = vt->default_attrib; | |
430 | break; | |
431 | case 1: | |
432 | vt->cur_attrib.bold = 1; | |
433 | break; | |
434 | case 4: | |
435 | vt->cur_attrib.uline = 1; | |
436 | break; | |
437 | case 5: | |
438 | vt->cur_attrib.blink = 1; | |
439 | break; | |
440 | case 7: | |
441 | vt->cur_attrib.invers = 1; | |
442 | break; | |
443 | case 8: | |
444 | vt->cur_attrib.unvisible = 1; | |
445 | break; | |
446 | case 10: | |
447 | vt->cur_enc = LAT1_MAP; | |
448 | // fixme: dispaly controls = 0 ? | |
449 | // fixme: toggle meta = 0 ? | |
450 | break; | |
451 | case 11: | |
452 | vt->cur_enc = IBMPC_MAP; | |
453 | // fixme: dispaly controls = 1 ? | |
454 | // fixme: toggle meta = 0 ? | |
455 | break; | |
456 | case 12: | |
457 | vt->cur_enc = IBMPC_MAP; | |
458 | // fixme: dispaly controls = 1 ? | |
459 | // fixme: toggle meta = 1 ? | |
460 | break; | |
461 | case 22: | |
462 | vt->cur_attrib.bold = 0; | |
463 | break; | |
464 | case 24: | |
465 | vt->cur_attrib.uline = 0; | |
466 | break; | |
467 | case 25: | |
468 | vt->cur_attrib.blink = 0; | |
469 | break; | |
470 | case 27: | |
471 | vt->cur_attrib.invers = 0; | |
472 | break; | |
473 | case 28: | |
474 | vt->cur_attrib.unvisible = 0; | |
475 | break; | |
476 | case 30: | |
477 | case 31: | |
478 | case 32: | |
479 | case 33: | |
480 | case 34: | |
481 | case 35: | |
482 | case 36: | |
483 | case 37: | |
484 | /* set foreground color */ | |
485 | vt->cur_attrib.fgcol = color_table [vt->esc_buf[i] - 30]; | |
486 | break; | |
487 | case 38: | |
488 | /* reset color to default, enable underline */ | |
489 | vt->cur_attrib.fgcol = vt->default_attrib.fgcol; | |
490 | vt->cur_attrib.uline = 1; | |
491 | break; | |
492 | case 39: | |
493 | /* reset color to default, disable underline */ | |
494 | vt->cur_attrib.fgcol = vt->default_attrib.fgcol; | |
495 | vt->cur_attrib.uline = 0; | |
496 | break; | |
497 | case 40: | |
498 | case 41: | |
499 | case 42: | |
500 | case 43: | |
501 | case 44: | |
502 | case 45: | |
503 | case 46: | |
504 | case 47: | |
505 | /* set background color */ | |
506 | vt->cur_attrib.bgcol = color_table [vt->esc_buf[i] - 40]; | |
507 | break; | |
508 | case 49: | |
509 | /* reset background color */ | |
510 | vt->cur_attrib.bgcol = vt->default_attrib.bgcol; | |
511 | break; | |
512 | default: | |
513 | fprintf(stderr, "unhandled ESC[%d m code\n",vt->esc_buf[i]); | |
514 | //fixme: implement | |
515 | } | |
516 | } | |
517 | } | |
518 | ||
519 | static void | |
520 | spiceterm_save_cursor(spiceTerm *vt) | |
521 | { | |
522 | vt->cx_saved = vt->cx; | |
523 | vt->cy_saved = vt->cy; | |
524 | vt->cur_attrib_saved = vt->cur_attrib; | |
525 | vt->charset_saved = vt->charset; | |
526 | vt->g0enc_saved = vt->g0enc; | |
527 | vt->g1enc_saved = vt->g1enc; | |
528 | vt->cur_enc_saved = vt->cur_enc; | |
529 | } | |
530 | ||
531 | static void | |
532 | spiceterm_restore_cursor(spiceTerm *vt) | |
533 | { | |
534 | vt->cx = vt->cx_saved; | |
535 | vt->cy = vt->cy_saved; | |
536 | vt->cur_attrib = vt->cur_attrib_saved; | |
537 | vt->charset = vt->charset_saved; | |
538 | vt->g0enc = vt->g0enc_saved; | |
539 | vt->g1enc = vt->g1enc_saved; | |
540 | vt->cur_enc = vt->cur_enc_saved; | |
541 | } | |
542 | ||
543 | static void | |
544 | spiceterm_set_alternate_buffer(spiceTerm *vt, int on_off) | |
545 | { | |
546 | int x, y; | |
547 | ||
548 | vt->y_displ = vt->y_base; | |
549 | ||
550 | if (on_off) { | |
551 | ||
552 | if (vt->altbuf) return; | |
553 | ||
554 | vt->altbuf = 1; | |
555 | ||
556 | /* alternate buffer & cursor */ | |
557 | ||
558 | spiceterm_save_cursor(vt); | |
559 | /* save screen to altcels */ | |
560 | for (y = 0; y < vt->height; y++) { | |
561 | int y1 = (vt->y_base + y) % vt->total_height; | |
562 | for (x = 0; x < vt->width; x++) { | |
563 | vt->altcells[y*vt->width + x] = vt->cells[y1*vt->width + x]; | |
564 | } | |
565 | } | |
566 | ||
567 | /* clear screen */ | |
568 | for (y = 0; y <= vt->height; y++) { | |
569 | for (x = 0; x < vt->width; x++) { | |
570 | // spiceterm_clear_xy(vt, x, y); | |
571 | } | |
572 | } | |
573 | ||
574 | } else { | |
575 | ||
576 | if (vt->altbuf == 0) return; | |
577 | ||
578 | vt->altbuf = 0; | |
579 | ||
580 | /* restore saved data */ | |
581 | for (y = 0; y < vt->height; y++) { | |
582 | int y1 = (vt->y_base + y) % vt->total_height; | |
583 | for (x = 0; x < vt->width; x++) { | |
584 | vt->cells[y1*vt->width + x] = vt->altcells[y*vt->width + x]; | |
585 | } | |
586 | } | |
587 | ||
588 | spiceterm_restore_cursor(vt); | |
589 | } | |
590 | ||
591 | spiceterm_refresh(vt); | |
592 | } | |
593 | ||
594 | static void | |
595 | spiceterm_set_mode(spiceTerm *vt, int on_off) | |
596 | { | |
597 | int i; | |
598 | ||
599 | for (i = 0; i <= vt->esc_count; i++) { | |
600 | if (vt->esc_ques) { /* DEC private modes set/reset */ | |
601 | switch(vt->esc_buf[i]) { | |
602 | case 10: /* X11 mouse reporting on/off */ | |
603 | case 1000: /* SET_VT200_MOUSE */ | |
604 | case 1002: /* xterm SET_BTN_EVENT_MOUSE */ | |
605 | vt->report_mouse = on_off; | |
606 | break; | |
607 | case 1049: /* start/end special app mode (smcup/rmcup) */ | |
608 | spiceterm_set_alternate_buffer (vt, on_off); | |
609 | break; | |
610 | case 25: /* Cursor on/off */ | |
611 | case 9: /* X10 mouse reporting on/off */ | |
612 | case 6: /* Origin relative/absolute */ | |
613 | case 1: /* Cursor keys in appl mode*/ | |
614 | case 5: /* Inverted screen on/off */ | |
615 | case 7: /* Autowrap on/off */ | |
616 | case 8: /* Autorepeat on/off */ | |
617 | break; | |
618 | } | |
619 | } else { /* ANSI modes set/reset */ | |
620 | //g_assert_not_reached(); | |
621 | ||
622 | /* fixme: implement me */ | |
623 | } | |
624 | } | |
625 | } | |
626 | ||
627 | static void | |
628 | spiceterm_gotoxy(spiceTerm *vt, int x, int y) | |
629 | { | |
630 | /* verify all boundaries */ | |
631 | ||
632 | if (x < 0) { | |
633 | x = 0; | |
634 | } | |
635 | ||
636 | if (x >= vt->width) { | |
637 | x = vt->width - 1; | |
638 | } | |
639 | ||
640 | vt->cx = x; | |
641 | ||
642 | if (y < 0) { | |
643 | y = 0; | |
644 | } | |
645 | ||
646 | if (y >= vt->height) { | |
647 | y = vt->height - 1; | |
648 | } | |
649 | ||
650 | vt->cy = y; | |
651 | } | |
652 | ||
653 | static void | |
654 | debug_print_escape_buffer(spiceTerm *vt, const char *func, const char *prefix, | |
655 | const char *qes, gunichar2 ch) | |
656 | { | |
657 | if (debug >=1 ) { | |
658 | if (vt->esc_count == 0) { | |
659 | printf("%s:%s ESC[%s%c\n", func, prefix, qes, ch); | |
660 | } else if (vt->esc_count == 1) { | |
661 | printf("%s:%s ESC[%s%d%c\n", func, prefix, qes, vt->esc_buf[0], ch); | |
662 | } else { | |
663 | int i; | |
664 | printf("%s:%s ESC[%s%d", func, prefix, qes, vt->esc_buf[0]); | |
665 | for (i = 1; i < vt->esc_count; i++) { | |
666 | printf(";%d", vt->esc_buf[i]); | |
667 | } | |
668 | printf("%c\n", ch); | |
669 | } | |
670 | } | |
671 | } | |
672 | ||
673 | enum { ESnormal, ESesc, ESsquare, ESgetpars, ESgotpars, ESfunckey, | |
674 | EShash, ESsetG0, ESsetG1, ESpercent, ESignore, ESnonstd, | |
675 | ESpalette, ESidquery, ESosc1, ESosc2}; | |
676 | ||
677 | static void | |
678 | spiceterm_putchar(spiceTerm *vt, gunichar2 ch) | |
679 | { | |
680 | int x, y, i, c; | |
681 | ||
682 | if (debug && !vt->tty_state) { | |
683 | DPRINTF(1, "CHAR:%2d: %4x '%c' (cur_enc %d) %d %d", | |
684 | vt->tty_state, ch, ch, vt->cur_enc, vt->cx, vt->cy); | |
685 | } | |
686 | ||
687 | switch(vt->tty_state) { | |
688 | case ESesc: | |
689 | vt->tty_state = ESnormal; | |
690 | switch (ch) { | |
691 | case '[': | |
692 | vt->tty_state = ESsquare; | |
693 | break; | |
694 | case ']': | |
695 | vt->tty_state = ESnonstd; | |
696 | break; | |
697 | case '%': | |
698 | vt->tty_state = ESpercent; | |
699 | break; | |
700 | case '7': | |
701 | spiceterm_save_cursor(vt); | |
702 | break; | |
703 | case '8': | |
704 | spiceterm_restore_cursor(vt); | |
705 | break; | |
706 | case '(': | |
707 | vt->tty_state = ESsetG0; // SET G0 | |
708 | break; | |
709 | case ')': | |
710 | vt->tty_state = ESsetG1; // SET G1 | |
711 | break; | |
712 | case 'M': | |
713 | /* cursor up (ri) */ | |
714 | if (vt->cy == vt->region_top) | |
715 | spiceterm_scroll_down(vt, vt->region_top, vt->region_bottom, 1); | |
716 | else if (vt->cy > 0) { | |
717 | vt->cy--; | |
718 | } | |
719 | break; | |
720 | case '>': | |
721 | /* numeric keypad - ignored */ | |
722 | break; | |
723 | case '=': | |
724 | /* appl. keypad - ignored */ | |
725 | break; | |
726 | default: | |
727 | DPRINTF(1, "got unhandled ESC%c %d", ch, ch); | |
728 | break; | |
729 | } | |
730 | break; | |
731 | case ESnonstd: /* Operating System Controls */ | |
732 | vt->tty_state = ESnormal; | |
733 | ||
734 | switch (ch) { | |
735 | case 'P': /* palette escape sequence */ | |
736 | for(i = 0; i < MAX_ESC_PARAMS; i++) { | |
737 | vt->esc_buf[i] = 0; | |
738 | } | |
739 | ||
740 | vt->esc_count = 0; | |
741 | vt->tty_state = ESpalette; | |
742 | break; | |
743 | case 'R': /* reset palette */ | |
744 | // fixme: reset_palette(vc); | |
745 | break; | |
746 | case '0': | |
747 | case '1': | |
748 | case '2': | |
749 | case '4': | |
750 | vt->osc_cmd = ch; | |
751 | vt->osc_textbuf[0] = 0; | |
752 | vt->tty_state = ESosc1; | |
753 | break; | |
754 | default: | |
755 | DPRINTF(1, "got unhandled OSC %c", ch); | |
756 | vt->tty_state = ESnormal; | |
757 | break; | |
758 | } | |
759 | break; | |
760 | case ESosc1: | |
761 | vt->tty_state = ESnormal; | |
762 | if (ch == ';') { | |
763 | vt->tty_state = ESosc2; | |
764 | } else { | |
765 | DPRINTF(1, "got illegal OSC sequence"); | |
766 | } | |
767 | break; | |
768 | case ESosc2: | |
769 | if (ch != 0x9c && ch != 7) { | |
770 | int i = 0; | |
771 | while (vt->osc_textbuf[i]) i++; | |
772 | vt->osc_textbuf[i++] = ch; | |
773 | vt->osc_textbuf[i] = 0; | |
774 | } else { | |
775 | DPRINTF(1, "OSC:%c:%s", vt->osc_cmd, vt->osc_textbuf); | |
776 | vt->tty_state = ESnormal; | |
777 | } | |
778 | break; | |
779 | case ESpalette: | |
780 | if ((ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'F') | |
781 | || (ch >= 'a' && ch <= 'f')) { | |
782 | vt->esc_buf[vt->esc_count++] = (ch > '9' ? (ch & 0xDF) - 'A' + 10 : ch - '0'); | |
783 | if (vt->esc_count == 7) { | |
784 | // fixme: this does not work - please test | |
785 | /* | |
786 | rfbColourMap *cmap =&vt->screen->colourMap; | |
787 | ||
788 | int i = color_table[vt->esc_buf[0]] * 3, j = 1; | |
789 | cmap->data.bytes[i] = 16 * vt->esc_buf[j++]; | |
790 | cmap->data.bytes[i++] += vt->esc_buf[j++]; | |
791 | cmap->data.bytes[i] = 16 * vt->esc_buf[j++]; | |
792 | cmap->data.bytes[i++] += vt->esc_buf[j++]; | |
793 | cmap->data.bytes[i] = 16 * vt->esc_buf[j++]; | |
794 | cmap->data.bytes[i] += vt->esc_buf[j]; | |
795 | */ | |
796 | //set_palette(vc); ? | |
797 | ||
798 | vt->tty_state = ESnormal; | |
799 | } | |
800 | } else | |
801 | vt->tty_state = ESnormal; | |
802 | break; | |
803 | case ESsquare: | |
804 | for(i = 0; i < MAX_ESC_PARAMS; i++) { | |
805 | vt->esc_buf[i] = 0; | |
806 | } | |
807 | ||
808 | vt->esc_count = 0; | |
809 | vt->esc_has_par = 0; | |
810 | vt->tty_state = ESgetpars; | |
811 | ||
812 | if (ch == '>') { | |
813 | vt->tty_state = ESidquery; | |
814 | break; | |
815 | } | |
816 | ||
817 | if ((vt->esc_ques = (ch == '?'))) { | |
818 | break; | |
819 | } | |
820 | case ESgetpars: | |
821 | if (ch >= '0' && ch <= '9') { | |
822 | vt->esc_has_par = 1; | |
823 | if (vt->esc_count < MAX_ESC_PARAMS) { | |
824 | vt->esc_buf[vt->esc_count] = vt->esc_buf[vt->esc_count] * 10 + ch - '0'; | |
825 | } | |
826 | break; | |
827 | } else if (ch == ';') { | |
828 | vt->esc_count++; | |
829 | break; | |
830 | } else { | |
831 | if (vt->esc_has_par) { | |
832 | vt->esc_count++; | |
833 | } | |
834 | vt->tty_state = ESgotpars; | |
835 | } | |
836 | case ESgotpars: | |
837 | ||
838 | vt->tty_state = ESnormal; | |
839 | ||
840 | char *qes = vt->esc_ques ? "?" : ""; | |
841 | ||
842 | if (debug) { | |
843 | debug_print_escape_buffer(vt, __func__, "", qes, ch); | |
844 | } | |
845 | ||
846 | switch (ch) { | |
847 | case 'h': | |
848 | spiceterm_set_mode(vt, 1); | |
849 | break; | |
850 | case 'l': | |
851 | spiceterm_set_mode(vt, 0); | |
852 | break; | |
853 | case 'm': | |
854 | if (!vt->esc_count) { | |
855 | vt->esc_count++; // default parameter 0 | |
856 | } | |
857 | spiceterm_csi_m(vt); | |
858 | break; | |
859 | case 'n': | |
860 | /* report cursor position */ | |
861 | /* TODO: send ESC[row;colR */ | |
862 | break; | |
863 | case 'A': | |
864 | /* move cursor up */ | |
865 | if (vt->esc_buf[0] == 0) { | |
866 | vt->esc_buf[0] = 1; | |
867 | } | |
868 | vt->cy -= vt->esc_buf[0]; | |
869 | if (vt->cy < 0) { | |
870 | vt->cy = 0; | |
871 | } | |
872 | break; | |
873 | case 'B': | |
874 | case 'e': | |
875 | /* move cursor down */ | |
876 | if (vt->esc_buf[0] == 0) { | |
877 | vt->esc_buf[0] = 1; | |
878 | } | |
879 | vt->cy += vt->esc_buf[0]; | |
880 | if (vt->cy >= vt->height) { | |
881 | vt->cy = vt->height - 1; | |
882 | } | |
883 | break; | |
884 | case 'C': | |
885 | case 'a': | |
886 | /* move cursor right */ | |
887 | if (vt->esc_buf[0] == 0) { | |
888 | vt->esc_buf[0] = 1; | |
889 | } | |
890 | vt->cx += vt->esc_buf[0]; | |
891 | if (vt->cx >= vt->width) { | |
892 | vt->cx = vt->width - 1; | |
893 | } | |
894 | break; | |
895 | case 'D': | |
896 | /* move cursor left */ | |
897 | if (vt->esc_buf[0] == 0) { | |
898 | vt->esc_buf[0] = 1; | |
899 | } | |
900 | vt->cx -= vt->esc_buf[0]; | |
901 | if (vt->cx < 0) { | |
902 | vt->cx = 0; | |
903 | } | |
904 | break; | |
905 | case 'G': | |
906 | case '`': | |
907 | /* move cursor to column */ | |
908 | spiceterm_gotoxy(vt, vt->esc_buf[0] - 1, vt->cy); | |
909 | break; | |
910 | case 'd': | |
911 | /* move cursor to row */ | |
912 | spiceterm_gotoxy(vt, vt->cx , vt->esc_buf[0] - 1); | |
913 | break; | |
914 | case 'f': | |
915 | case 'H': | |
916 | /* move cursor to row, column */ | |
917 | spiceterm_gotoxy(vt, vt->esc_buf[1] - 1, vt->esc_buf[0] - 1); | |
918 | break; | |
919 | case 'J': | |
920 | switch (vt->esc_buf[0]) { | |
921 | case 0: | |
922 | /* clear to end of screen */ | |
923 | for (y = vt->cy; y < vt->height; y++) { | |
924 | for (x = 0; x < vt->width; x++) { | |
925 | if (y == vt->cy && x < vt->cx) { | |
926 | continue; | |
927 | } | |
928 | spiceterm_clear_xy (vt, x, y); | |
929 | } | |
930 | } | |
931 | break; | |
932 | case 1: | |
933 | /* clear from beginning of screen */ | |
934 | for (y = 0; y <= vt->cy; y++) { | |
935 | for (x = 0; x < vt->width; x++) { | |
936 | if (y == vt->cy && x > vt->cx) { | |
937 | break; | |
938 | } | |
939 | spiceterm_clear_xy(vt, x, y); | |
940 | } | |
941 | } | |
942 | break; | |
943 | case 2: | |
944 | /* clear entire screen */ | |
945 | spiceterm_clear_screen(vt); | |
946 | break; | |
947 | } | |
948 | break; | |
949 | case 'K': | |
950 | switch (vt->esc_buf[0]) { | |
951 | case 0: | |
952 | /* clear to eol */ | |
953 | for(x = vt->cx; x < vt->width; x++) { | |
954 | spiceterm_clear_xy(vt, x, vt->cy); | |
955 | } | |
956 | break; | |
957 | case 1: | |
958 | /* clear from beginning of line */ | |
959 | for (x = 0; x <= vt->cx; x++) { | |
960 | spiceterm_clear_xy(vt, x, vt->cy); | |
961 | } | |
962 | break; | |
963 | case 2: | |
964 | /* clear entire line */ | |
965 | for(x = 0; x < vt->width; x++) { | |
966 | spiceterm_clear_xy(vt, x, vt->cy); | |
967 | } | |
968 | break; | |
969 | } | |
970 | break; | |
971 | case 'L': | |
972 | /* insert line */ | |
973 | c = vt->esc_buf[0]; | |
974 | ||
975 | if (c > vt->height - vt->cy) | |
976 | c = vt->height - vt->cy; | |
977 | else if (!c) | |
978 | c = 1; | |
979 | ||
980 | spiceterm_scroll_down(vt, vt->cy, vt->region_bottom, c); | |
981 | break; | |
982 | case 'M': | |
983 | /* delete line */ | |
984 | c = vt->esc_buf[0]; | |
985 | ||
986 | if (c > vt->height - vt->cy) | |
987 | c = vt->height - vt->cy; | |
988 | else if (!c) | |
989 | c = 1; | |
990 | ||
991 | spiceterm_scroll_up(vt, vt->cy, vt->region_bottom, c, 1); | |
992 | break; | |
993 | case 'T': | |
994 | /* scroll down */ | |
995 | c = vt->esc_buf[0]; | |
996 | if (!c) c = 1; | |
997 | spiceterm_scroll_down(vt, vt->region_top, vt->region_bottom, c); | |
998 | break; | |
999 | case 'S': | |
1000 | /* scroll up */ | |
1001 | c = vt->esc_buf[0]; | |
1002 | if (!c) c = 1; | |
1003 | spiceterm_scroll_up(vt, vt->region_top, vt->region_bottom, c, 1); | |
1004 | break; | |
1005 | case 'P': | |
1006 | /* delete c character */ | |
1007 | c = vt->esc_buf[0]; | |
1008 | ||
1009 | if (c > vt->width - vt->cx) | |
1010 | c = vt->width - vt->cx; | |
1011 | else if (!c) | |
1012 | c = 1; | |
1013 | ||
1014 | for (x = vt->cx; x < vt->width - c; x++) { | |
1015 | int y1 = (vt->y_base + vt->cy) % vt->total_height; | |
1016 | TextCell *dst = &vt->cells[y1 * vt->width + x]; | |
1017 | TextCell *src = dst + c; | |
1018 | *dst = *src; | |
1019 | spiceterm_update_xy(vt, x + c, vt->cy); | |
1020 | src->ch = ' '; | |
1021 | src->attrib = vt->default_attrib; | |
1022 | spiceterm_update_xy(vt, x, vt->cy); | |
1023 | } | |
1024 | break; | |
1025 | case 's': | |
1026 | /* save cursor position */ | |
1027 | spiceterm_save_cursor(vt); | |
1028 | break; | |
1029 | case 'u': | |
1030 | /* restore cursor position */ | |
1031 | spiceterm_restore_cursor(vt); | |
1032 | break; | |
1033 | case 'X': | |
1034 | /* erase c characters */ | |
1035 | c = vt->esc_buf[0]; | |
1036 | if (!c) c = 1; | |
1037 | ||
1038 | if (c > (vt->width - vt->cx)) c = vt->width - vt->cx; | |
1039 | ||
1040 | for(i = 0; i < c; i++) { | |
1041 | spiceterm_clear_xy(vt, vt->cx + i, vt->cy); | |
1042 | } | |
1043 | break; | |
1044 | case '@': | |
1045 | /* insert c character */ | |
1046 | c = vt->esc_buf[0]; | |
1047 | if (c > (vt->width - vt->cx)) { | |
1048 | c = vt->width - vt->cx; | |
1049 | } | |
1050 | if (!c) c = 1; | |
1051 | ||
1052 | for (x = vt->width - c; x >= vt->cx; x--) { | |
1053 | int y1 = (vt->y_base + vt->cy) % vt->total_height; | |
1054 | TextCell *src = &vt->cells[y1 * vt->width + x]; | |
1055 | TextCell *dst = src + c; | |
1056 | *dst = *src; | |
1057 | spiceterm_update_xy (vt, x + c, vt->cy); | |
1058 | src->ch = ' '; | |
1059 | src->attrib = vt->cur_attrib; | |
1060 | spiceterm_update_xy(vt, x, vt->cy); | |
1061 | } | |
1062 | ||
1063 | break; | |
1064 | case 'r': | |
1065 | /* set region */ | |
1066 | if (!vt->esc_buf[0]) | |
1067 | vt->esc_buf[0]++; | |
1068 | if (!vt->esc_buf[1]) | |
1069 | vt->esc_buf[1] = vt->height; | |
1070 | /* Minimum allowed region is 2 lines */ | |
1071 | if (vt->esc_buf[0] < vt->esc_buf[1] && | |
1072 | vt->esc_buf[1] <= vt->height) { | |
1073 | vt->region_top = vt->esc_buf[0] - 1; | |
1074 | vt->region_bottom = vt->esc_buf[1]; | |
1075 | vt->cx = 0; | |
1076 | vt->cy = vt->region_top; | |
1077 | DPRINTF(1, "set region %d %d", vt->region_top, vt->region_bottom); | |
1078 | } | |
1079 | ||
1080 | break; | |
1081 | default: | |
1082 | if (debug) { | |
1083 | debug_print_escape_buffer(vt, __func__, " unhandled escape", qes, ch); | |
1084 | } | |
1085 | break; | |
1086 | } | |
1087 | vt->esc_ques = 0; | |
1088 | break; | |
1089 | case ESsetG0: // Set G0 | |
1090 | vt->tty_state = ESnormal; | |
1091 | ||
1092 | if (ch == '0') | |
1093 | vt->g0enc = GRAF_MAP; | |
1094 | else if (ch == 'B') | |
1095 | vt->g0enc = LAT1_MAP; | |
1096 | else if (ch == 'U') | |
1097 | vt->g0enc = IBMPC_MAP; | |
1098 | else if (ch == 'K') | |
1099 | vt->g0enc = USER_MAP; | |
1100 | ||
1101 | if (vt->charset == 0) | |
1102 | vt->cur_enc = vt->g0enc; | |
1103 | ||
1104 | break; | |
1105 | case ESsetG1: // Set G1 | |
1106 | vt->tty_state = ESnormal; | |
1107 | ||
1108 | if (ch == '0') | |
1109 | vt->g1enc = GRAF_MAP; | |
1110 | else if (ch == 'B') | |
1111 | vt->g1enc = LAT1_MAP; | |
1112 | else if (ch == 'U') | |
1113 | vt->g1enc = IBMPC_MAP; | |
1114 | else if (ch == 'K') | |
1115 | vt->g1enc = USER_MAP; | |
1116 | ||
1117 | if (vt->charset == 1) | |
1118 | vt->cur_enc = vt->g1enc; | |
1119 | ||
1120 | break; | |
1121 | case ESidquery: // vt100 query id | |
1122 | vt->tty_state = ESnormal; | |
1123 | ||
1124 | if (ch == 'c') { | |
1125 | DPRINTF(1, "ESC[>c Query term ID"); | |
1126 | spiceterm_respond_esc(vt, TERMIDCODE); | |
1127 | } | |
1128 | break; | |
1129 | case ESpercent: | |
1130 | vt->tty_state = ESnormal; | |
1131 | switch (ch) { | |
1132 | case '@': /* defined in ISO 2022 */ | |
1133 | vt->utf8 = 0; | |
1134 | break; | |
1135 | case 'G': /* prelim official escape code */ | |
1136 | case '8': /* retained for compatibility */ | |
1137 | vt->utf8 = 1; | |
1138 | break; | |
1139 | } | |
1140 | break; | |
1141 | default: // ESnormal | |
1142 | vt->tty_state = ESnormal; | |
1143 | ||
1144 | switch(ch) { | |
1145 | case 0: | |
1146 | break; | |
1147 | case 7: /* alert aka. bell */ | |
1148 | // fixme: | |
1149 | //rfbSendBell(vt->screen); | |
1150 | break; | |
1151 | case 8: /* backspace */ | |
1152 | if (vt->cx > 0) | |
1153 | vt->cx--; | |
1154 | break; | |
1155 | case 9: /* tabspace */ | |
1156 | if (vt->cx + (8 - (vt->cx % 8)) > vt->width) { | |
1157 | vt->cx = 0; | |
1158 | spiceterm_put_lf(vt); | |
1159 | } else { | |
1160 | vt->cx = vt->cx + (8 - (vt->cx % 8)); | |
1161 | } | |
1162 | break; | |
1163 | case 10: /* LF,*/ | |
1164 | case 11: /* VT */ | |
1165 | case 12: /* FF */ | |
1166 | spiceterm_put_lf(vt); | |
1167 | break; | |
1168 | case 13: /* carriage return */ | |
1169 | vt->cx = 0; | |
1170 | break; | |
1171 | case 14: | |
1172 | /* SI (shift in), select character set 1 */ | |
1173 | vt->charset = 1; | |
1174 | vt->cur_enc = vt->g1enc; | |
1175 | /* fixme: display controls = 1 */ | |
1176 | break; | |
1177 | case 15: | |
1178 | /* SO (shift out), select character set 0 */ | |
1179 | vt->charset = 0; | |
1180 | vt->cur_enc = vt->g0enc; | |
1181 | /* fixme: display controls = 0 */ | |
1182 | break; | |
1183 | case 27: /* esc */ | |
1184 | vt->tty_state = ESesc; | |
1185 | break; | |
1186 | case 127: /* delete */ | |
1187 | /* ignore */ | |
1188 | break; | |
1189 | case 128+27: /* csi */ | |
1190 | vt->tty_state = ESsquare; | |
1191 | break; | |
1192 | default: | |
1193 | if (vt->cx >= vt->width) { | |
1194 | /* line wrap */ | |
1195 | vt->cx = 0; | |
1196 | spiceterm_put_lf(vt); | |
1197 | } | |
1198 | ||
1199 | int y1 = (vt->y_base + vt->cy) % vt->total_height; | |
1200 | TextCell *c = &vt->cells[y1*vt->width + vt->cx]; | |
1201 | c->attrib = vt->cur_attrib; | |
1202 | c->ch = ch; | |
1203 | spiceterm_update_xy(vt, vt->cx, vt->cy); | |
1204 | vt->cx++; | |
1205 | break; | |
1206 | } | |
1207 | break; | |
1208 | } | |
1209 | } | |
1210 | ||
1211 | static int | |
1212 | spiceterm_puts(spiceTerm *vt, const char *buf, int len) | |
1213 | { | |
1214 | gunichar2 tc; | |
1215 | ||
1216 | spiceterm_show_cursor(vt, 0); | |
1217 | ||
1218 | while (len) { | |
1219 | unsigned char c = *buf; | |
1220 | len--; | |
1221 | buf++; | |
1222 | ||
1223 | if (vt->tty_state != ESnormal) { | |
1224 | // never translate escape sequence | |
1225 | tc = c; | |
1226 | } else if (vt->utf8 && !vt->cur_enc) { | |
1227 | ||
1228 | if(c & 0x80) { // utf8 multi-byte sequence | |
1229 | ||
1230 | if (vt->utf_count > 0 && (c & 0xc0) == 0x80) { | |
1231 | // inside UTF8 sequence | |
1232 | vt->utf_char = (vt->utf_char << 6) | (c & 0x3f); | |
1233 | vt->utf_count--; | |
1234 | if (vt->utf_count == 0) { | |
1235 | tc = vt->utf_char; | |
1236 | } else { | |
1237 | continue; | |
1238 | } | |
1239 | } else { | |
1240 | // first char of a UTF8 sequence | |
1241 | if ((c & 0xe0) == 0xc0) { | |
1242 | vt->utf_count = 1; | |
1243 | vt->utf_char = (c & 0x1f); | |
1244 | } else if ((c & 0xf0) == 0xe0) { | |
1245 | vt->utf_count = 2; | |
1246 | vt->utf_char = (c & 0x0f); | |
1247 | } else if ((c & 0xf8) == 0xf0) { | |
1248 | vt->utf_count = 3; | |
1249 | vt->utf_char = (c & 0x07); | |
1250 | } else if ((c & 0xfc) == 0xf8) { | |
1251 | vt->utf_count = 4; | |
1252 | vt->utf_char = (c & 0x03); | |
1253 | } else if ((c & 0xfe) == 0xfc) { | |
1254 | vt->utf_count = 5; | |
1255 | vt->utf_char = (c & 0x01); | |
1256 | } else | |
1257 | vt->utf_count = 0; | |
1258 | ||
1259 | continue; | |
1260 | } | |
1261 | } else { | |
1262 | // utf8 single byte | |
1263 | tc = c; | |
1264 | vt->utf_count = 0; | |
1265 | } | |
1266 | ||
1267 | } else { | |
1268 | // never translate controls | |
1269 | if (c >= 32 && c != 127 && c != (128+27)) { | |
1270 | tc = translations[vt->cur_enc][c & 0x0ff]; | |
1271 | } else { | |
1272 | tc = c; | |
1273 | } | |
1274 | } | |
1275 | ||
1276 | spiceterm_putchar(vt, tc); | |
1277 | } | |
1278 | ||
1279 | spiceterm_show_cursor(vt, 1); | |
1280 | ||
1281 | return len; | |
1282 | } | |
1283 | ||
1284 | void | |
1285 | spiceterm_update_watch_mask(spiceTerm *vt, gboolean writable) | |
1286 | { | |
1287 | g_assert(vt != NULL); | |
1288 | ||
1289 | int mask = SPICE_WATCH_EVENT_READ; | |
1290 | ||
1291 | if (writable) { | |
1292 | mask |= SPICE_WATCH_EVENT_WRITE; | |
1293 | } | |
1294 | ||
1295 | vt->screen->core->watch_update_mask(vt->screen->mwatch, mask); | |
1296 | } | |
1297 | ||
1298 | static void | |
1299 | mouse_report(spiceTerm *vt, int butt, int mrx, int mry) | |
1300 | { | |
1301 | char buf[8]; | |
1302 | ||
1303 | sprintf(buf, "[M%c%c%c", (char)(' ' + butt), (char)('!' + mrx), | |
1304 | (char)('!' + mry)); | |
1305 | ||
1306 | spiceterm_respond_esc(vt, buf); | |
1307 | ||
1308 | spiceterm_update_watch_mask(vt, TRUE); | |
1309 | } | |
1310 | ||
1311 | static void | |
1312 | spiceterm_respond_unichar2(spiceTerm *vt, gunichar2 uc) | |
1313 | { | |
1314 | if (vt->utf8) { | |
1315 | gchar buf[10]; | |
1316 | gint len = g_unichar_to_utf8(uc, buf); | |
1317 | ||
1318 | if (len > 0) { | |
1319 | spiceterm_respond_data(vt, len, (uint8_t *)buf); | |
1320 | } | |
1321 | } else { | |
1322 | uint8_t buf[1] = { (uint8_t)uc }; | |
1323 | spiceterm_respond_data(vt, 1, buf); | |
1324 | } | |
1325 | } | |
1326 | ||
1327 | void | |
1328 | spiceterm_clear_selection(spiceTerm *vt) | |
1329 | { | |
1330 | DPRINTF(1, "mark_active = %d", vt->mark_active); | |
1331 | ||
1332 | vt->mark_active = 0; | |
1333 | if (vt->selection) free (vt->selection); | |
1334 | vt->selection = NULL; | |
1335 | ||
1336 | spiceterm_unselect_all(vt); | |
1337 | } | |
1338 | ||
1339 | void | |
1340 | spiceterm_motion_event(spiceTerm *vt, uint32_t x, uint32_t y, uint32_t buttons) | |
1341 | { | |
1342 | DPRINTF(1, "mask=%08x x=%d y=%d", buttons, x ,y); | |
1343 | ||
1344 | static int last_mask = 0; | |
1345 | static int sel_start_pos = 0; | |
1346 | static int sel_end_pos = 0; | |
1347 | static int button2_released = 1; | |
1348 | ||
1349 | int i; | |
1350 | int cx = x/8; | |
1351 | int cy = y/16; | |
1352 | ||
1353 | if (cx < 0) cx = 0; | |
1354 | if (cx >= vt->width) cx = vt->width - 1; | |
1355 | if (cy < 0) cy = 0; | |
1356 | if (cy >= vt->height) cy = vt->height - 1; | |
1357 | ||
1358 | if (vt->report_mouse && buttons != last_mask) { | |
1359 | last_mask = buttons; | |
1360 | if (buttons & 2) { | |
1361 | mouse_report(vt, 0, cx, cy); | |
1362 | } | |
1363 | if (buttons & 4) { | |
1364 | mouse_report (vt, 1, cx, cy); | |
1365 | } | |
1366 | if (buttons & 8) { | |
1367 | mouse_report(vt, 2, cx, cy); | |
1368 | } | |
1369 | if(!buttons) { | |
1370 | mouse_report(vt, 3, cx, cy); | |
1371 | } | |
1372 | } | |
1373 | ||
1374 | if (buttons & 4) { | |
1375 | ||
1376 | if(button2_released) { | |
1377 | ||
1378 | if (vdagent_owns_clipboard(vt)) { | |
1379 | if (vt->selection) { | |
1380 | int i; | |
1381 | for(i = 0; i < vt->selection_len; i++) { | |
1382 | spiceterm_respond_unichar2(vt, vt->selection[i]); | |
1383 | } | |
1384 | spiceterm_update_watch_mask(vt, TRUE); | |
1385 | if (vt->y_displ != vt->y_base) { | |
1386 | vt->y_displ = vt->y_base; | |
1387 | spiceterm_refresh(vt); | |
1388 | } | |
1389 | } | |
1390 | } else { | |
1391 | vdagent_request_clipboard(vt); | |
1392 | } | |
1393 | } | |
1394 | ||
1395 | button2_released = 0; | |
1396 | } else { | |
1397 | button2_released = 1; | |
1398 | } | |
1399 | ||
1400 | if (buttons & 2) { | |
1401 | int pos = cy*vt->width + cx; | |
1402 | ||
1403 | // code borrowed from libvncserver (VNCconsole.c) | |
1404 | ||
1405 | if (!vt->mark_active) { | |
1406 | ||
1407 | spiceterm_unselect_all(vt); | |
1408 | ||
1409 | vt->mark_active = 1; | |
1410 | sel_start_pos = sel_end_pos = pos; | |
1411 | spiceterm_toggle_marked_cell(vt, pos); | |
1412 | ||
1413 | } else { | |
1414 | ||
1415 | if (pos != sel_end_pos) { | |
1416 | if (pos > sel_end_pos) { | |
1417 | cx = sel_end_pos; cy=pos; | |
1418 | } else { | |
1419 | cx=pos; cy=sel_end_pos; | |
1420 | } | |
1421 | ||
1422 | if (cx < sel_start_pos) { | |
1423 | if (cy < sel_start_pos) cy--; | |
1424 | } else { | |
1425 | cx++; | |
1426 | } | |
1427 | ||
1428 | while (cx <= cy) { | |
1429 | spiceterm_toggle_marked_cell(vt, cx); | |
1430 | cx++; | |
1431 | } | |
1432 | ||
1433 | sel_end_pos = pos; | |
1434 | } | |
1435 | } | |
1436 | ||
1437 | } else if (vt->mark_active) { | |
1438 | vt->mark_active = 0; | |
1439 | ||
1440 | if (sel_start_pos > sel_end_pos) { | |
1441 | int tmp = sel_start_pos - 1; | |
1442 | sel_start_pos = sel_end_pos; | |
1443 | sel_end_pos = tmp; | |
1444 | } | |
1445 | ||
1446 | int len = sel_end_pos - sel_start_pos + 1; | |
1447 | ||
1448 | if (vt->selection) free (vt->selection); | |
1449 | vt->selection = (gunichar2 *)malloc (len*sizeof(gunichar2)); | |
1450 | vt->selection_len = len; | |
1451 | ||
1452 | for (i = 0; i < len; i++) { | |
1453 | int pos = sel_start_pos + i; | |
1454 | int x = pos % vt->width; | |
1455 | int y1 = ((pos / vt->width) + vt->y_displ) % vt->total_height; | |
1456 | TextCell *c = &vt->cells[y1*vt->width + x]; | |
1457 | vt->selection[i] = c->ch; | |
1458 | c++; | |
1459 | } | |
1460 | ||
1461 | DPRINTF(1, "selection length = %d", vt->selection_len); | |
1462 | ||
1463 | vdagent_grab_clipboard(vt); | |
1464 | } | |
1465 | } | |
1466 | ||
1467 | void | |
1468 | init_spiceterm(spiceTerm *vt, uint32_t width, uint32_t height) | |
1469 | { | |
1470 | int i; | |
1471 | ||
1472 | g_assert(vt != NULL); | |
1473 | g_assert(vt->screen != NULL); | |
1474 | ||
1475 | vt->width = width / 8; | |
1476 | vt->height = height / 16; | |
1477 | ||
1478 | vt->total_height = vt->height * 20; | |
1479 | vt->scroll_height = 0; | |
1480 | vt->y_base = 0; | |
1481 | vt->y_displ = 0; | |
1482 | ||
1483 | vt->region_top = 0; | |
1484 | vt->region_bottom = vt->height; | |
1485 | ||
1486 | vt->g0enc = LAT1_MAP; | |
1487 | vt->g1enc = GRAF_MAP; | |
1488 | vt->cur_enc = vt->g0enc; | |
1489 | vt->charset = 0; | |
1490 | ||
1491 | /* default text attributes */ | |
1492 | vt->default_attrib.bold = 0; | |
1493 | vt->default_attrib.uline = 0; | |
1494 | vt->default_attrib.blink = 0; | |
1495 | vt->default_attrib.invers = 0; | |
1496 | vt->default_attrib.unvisible = 0; | |
1497 | vt->default_attrib.fgcol = 7; | |
1498 | vt->default_attrib.bgcol = 0; | |
1499 | ||
1500 | vt->cur_attrib = vt->default_attrib; | |
1501 | ||
1502 | if (vt->cells) { | |
1503 | vt->cx = 0; | |
1504 | vt->cy = 0; | |
1505 | vt->cx_saved = 0; | |
1506 | vt->cy_saved = 0; | |
1507 | g_free(vt->cells); | |
1508 | } | |
1509 | ||
1510 | vt->cells = (TextCell *)calloc (sizeof (TextCell), vt->width*vt->total_height); | |
1511 | ||
1512 | for (i = 0; i < vt->width*vt->total_height; i++) { | |
1513 | vt->cells[i].ch = ' '; | |
1514 | vt->cells[i].attrib = vt->default_attrib; | |
1515 | } | |
1516 | ||
1517 | if (vt->altcells) { | |
1518 | g_free(vt->altcells); | |
1519 | } | |
1520 | ||
1521 | vt->altcells = (TextCell *)calloc (sizeof (TextCell), vt->width*vt->height); | |
1522 | } | |
1523 | ||
1524 | void | |
1525 | spiceterm_resize(spiceTerm *vt, uint32_t width, uint32_t height) | |
1526 | { | |
1527 | width = (width/8)*8; | |
1528 | height = (height/16)*16; | |
1529 | ||
1530 | if (vt->screen->width == width && vt->screen->height == height) { | |
1531 | return; | |
1532 | } | |
1533 | ||
1534 | DPRINTF(0, "width=%u height=%u", width, height); | |
1535 | ||
1536 | spice_screen_resize(vt->screen, width, height); | |
1537 | ||
1538 | init_spiceterm(vt, width, height); | |
1539 | ||
1540 | struct winsize dimensions; | |
1541 | dimensions.ws_col = vt->width; | |
1542 | dimensions.ws_row = vt->height; | |
1543 | ||
1544 | ioctl(vt->pty, TIOCSWINSZ, &dimensions); | |
1545 | } | |
1546 | ||
1547 | static gboolean | |
1548 | master_error_callback(GIOChannel *channel, GIOCondition condition, | |
1549 | gpointer data) | |
1550 | { | |
1551 | //spiceTerm *vt = (spiceTerm *)data; | |
1552 | ||
1553 | DPRINTF(1, "condition %d", condition); | |
1554 | ||
1555 | exit(0); | |
1556 | ||
1557 | return FALSE; | |
1558 | } | |
1559 | ||
1560 | static void | |
1561 | master_watch(int master, int event, void *opaque) | |
1562 | { | |
1563 | spiceTerm *vt = (spiceTerm *)opaque; | |
1564 | int c; | |
1565 | ||
1566 | // fixme: if (!vt->mark_active) { | |
1567 | ||
1568 | if (event == SPICE_WATCH_EVENT_READ) { | |
1569 | char buffer[1024]; | |
1570 | while ((c = read(master, buffer, 1024)) == -1) { | |
1571 | if (errno != EAGAIN) break; | |
1572 | } | |
1573 | if (c == -1) { | |
1574 | perror("master pipe read error"); // fixme | |
1575 | } | |
1576 | spiceterm_puts (vt, buffer, c); | |
1577 | } else { | |
1578 | if (vt->ibuf_count > 0) { | |
1579 | DPRINTF(1, "write input %x %d", vt->ibuf[0], vt->ibuf_count); | |
1580 | if ((c = write (master, vt->ibuf, vt->ibuf_count)) >= 0) { | |
1581 | if (c == vt->ibuf_count) { | |
1582 | vt->ibuf_count = 0; | |
1583 | } else if (c > 0) { | |
1584 | // not all data written | |
1585 | memmove(vt->ibuf, vt->ibuf + c, vt->ibuf_count - c); | |
1586 | vt->ibuf_count -= c; | |
1587 | } else { | |
1588 | // nothing written -ignore and try later | |
1589 | } | |
1590 | } else { | |
1591 | perror("master pipe write error"); | |
1592 | } | |
1593 | } | |
1594 | if (vt->ibuf_count == 0) { | |
1595 | spiceterm_update_watch_mask(vt, FALSE); | |
1596 | } | |
1597 | } | |
1598 | } | |
1599 | ||
1600 | static void | |
1601 | spiceterm_print_usage(const char *msg) | |
1602 | { | |
1603 | if (msg) { | |
1604 | fprintf(stderr, "ERROR: %s\n", msg); | |
1605 | } | |
1606 | fprintf(stderr, "USAGE: spiceterm [OPTIONS] [-- command [args]]\n"); | |
1607 | fprintf(stderr, " --timeout <seconds> Wait this time before aborting (default is 10 seconds)\n"); | |
1608 | fprintf(stderr, " --authpath <path> Authentication path (PVE AUTH)\n"); | |
1609 | fprintf(stderr, " --permission <perm> Required permissions (PVE AUTH)\n"); | |
1610 | fprintf(stderr, " --port <port> Bind to port <port>\n"); | |
1611 | fprintf(stderr, " --addr <addr> Bind to address <addr>\n"); | |
1612 | fprintf(stderr, " --sasl Enable SASL based authentication\n"); | |
1613 | fprintf(stderr, " --noauth Disable authentication\n"); | |
1614 | fprintf(stderr, " --keymap Spefify keymap (uses kvm keymap files)\n"); | |
1615 | } | |
1616 | ||
1617 | int | |
1618 | main (int argc, char** argv) | |
1619 | { | |
1620 | int c; | |
1621 | char **cmdargv = NULL; | |
1622 | char *command = "/bin/bash"; // execute normal shell as default | |
1623 | int pid; | |
1624 | int master; | |
1625 | char ptyname[1024]; | |
1626 | struct winsize dimensions; | |
1627 | SpiceTermOptions opts = { | |
1628 | .timeout = 10, | |
1629 | .port = 5900, | |
1630 | .addr = NULL, | |
1631 | .noauth = FALSE, | |
1632 | .sasl = FALSE, | |
1633 | }; | |
1634 | ||
1635 | static struct option long_options[] = { | |
1636 | { "timeout", required_argument, 0, 't' }, | |
1637 | { "authpath", required_argument, 0, 'A' }, | |
1638 | { "permissions", required_argument, 0, 'P' }, | |
1639 | { "port", required_argument, 0, 'p' }, | |
1640 | { "addr", required_argument, 0, 'a' }, | |
1641 | { "keymap", required_argument, 0, 'k' }, | |
1642 | { "noauth", no_argument, 0, 'n' }, | |
1643 | { "sasl", no_argument, 0, 's' }, | |
1644 | { NULL, 0, 0, 0 }, | |
1645 | }; | |
1646 | ||
1647 | while ((c = getopt_long(argc, argv, "nkst:a:p:P:", long_options, NULL)) != -1) { | |
1648 | ||
1649 | switch (c) { | |
1650 | case 'n': | |
1651 | opts.noauth = TRUE; | |
1652 | break; | |
1653 | case 's': | |
1654 | opts.sasl = TRUE; | |
1655 | break; | |
1656 | case 'k': | |
1657 | opts.keymap = optarg; | |
1658 | break; | |
1659 | case 'A': | |
1660 | pve_auth_set_path(optarg); | |
1661 | break; | |
1662 | case 'P': | |
1663 | pve_auth_set_permissions(optarg); | |
1664 | break; | |
1665 | case 'p': | |
1666 | opts.port = atoi(optarg); | |
1667 | break; | |
1668 | case 'a': | |
1669 | opts.addr = optarg; | |
1670 | break; | |
1671 | case 't': | |
1672 | opts.timeout = atoi(optarg); | |
1673 | break; | |
1674 | case '?': | |
1675 | spiceterm_print_usage(NULL); | |
1676 | exit(-1); | |
1677 | break; | |
1678 | default: | |
1679 | spiceterm_print_usage("getopt returned unknown character code"); | |
1680 | exit(-1); | |
1681 | } | |
1682 | } | |
1683 | ||
1684 | if (optind < argc) { | |
1685 | command = argv[optind]; | |
1686 | cmdargv = &argv[optind]; | |
1687 | } | |
1688 | ||
1689 | spiceTerm *vt = spiceterm_create(744, 400, &opts); | |
1690 | if (!vt) | |
1691 | exit(-1); | |
1692 | ||
1693 | setlocale(LC_ALL, ""); // set from environment | |
1694 | ||
1695 | char *ctype = setlocale (LC_CTYPE, NULL); // query LC_CTYPE | |
1696 | ||
1697 | // fixme: ist there a standard way to detect utf8 mode ? | |
1698 | if (strcasestr (ctype, ".utf-8")||strcasestr (ctype, ".utf8")) { | |
1699 | vt->utf8 = 1; | |
1700 | } | |
1701 | ||
1702 | dimensions.ws_col = vt->width; | |
1703 | dimensions.ws_row = vt->height; | |
1704 | ||
1705 | setenv("TERM", TERM, 1); | |
1706 | ||
1707 | DPRINTF(1, "execute %s", command); | |
1708 | ||
1709 | pid = forkpty (&master, ptyname, NULL, &dimensions); | |
1710 | if(!pid) { | |
1711 | ||
1712 | // install default signal handlers | |
1713 | signal (SIGQUIT, SIG_DFL); | |
1714 | signal (SIGTERM, SIG_DFL); | |
1715 | signal (SIGINT, SIG_DFL); | |
1716 | ||
1717 | if (cmdargv) { | |
1718 | execvp (command, cmdargv); | |
1719 | } else { | |
1720 | execlp (command, command, NULL); | |
1721 | } | |
1722 | perror ("Error: exec failed\n"); | |
1723 | exit (-1); // should not be reached | |
1724 | } else if (pid == -1) { | |
1725 | perror ("Error: fork failed\n"); | |
1726 | exit (-1); | |
1727 | } | |
1728 | ||
1729 | vt->pty = master; | |
1730 | ||
1731 | /* watch for errors - we need to use glib directly because spice | |
1732 | * does not have SPICE_WATCH_EVENT for this */ | |
1733 | GIOChannel *channel = g_io_channel_unix_new(master); | |
1734 | g_io_channel_set_flags(channel, G_IO_FLAG_NONBLOCK, NULL); | |
1735 | g_io_channel_set_encoding(channel, NULL, NULL); | |
1736 | g_io_add_watch(channel, G_IO_ERR|G_IO_HUP, master_error_callback, vt); | |
1737 | ||
1738 | vt->screen->mwatch = vt->screen->core->watch_add( | |
1739 | master, SPICE_WATCH_EVENT_READ /* |SPICE_WATCH_EVENT_WRITE */, | |
1740 | master_watch, vt); | |
1741 | ||
1742 | basic_event_loop_mainloop(); | |
1743 | ||
1744 | kill (pid, 9); | |
1745 | int status; | |
1746 | waitpid(pid, &status, 0); | |
1747 | ||
1748 | exit (0); | |
1749 | } |