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Revision: 1.24
Committed: Fri Dec 19 06:17:03 2003 UTC (20 years, 4 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.23: +1 -5 lines
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File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.23 2003/12/18 14:11:47 pcg Exp $
5 *
6 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
10 * - extensive modifications
11 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
12 * - vt100 printing
13 * Copyright (c) 1995 Steven Hirsch <hirsch@emba.uvm.edu>
14 * - X11 mouse report mode and support for
15 * DEC "private mode" save/restore functions.
16 * Copyright (c) 1995 Jakub Jelinek <jj@gnu.ai.mit.edu>
17 * - key-related changes to handle Shift+function
18 * keys properly.
19 * Copyright (c) 1997 MJ Olesen <olesen@me.queensu.ca>
20 * - extensive modifications
21 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es>
22 * - modification and cleanups for Solaris 2.x
23 * and Linux 1.2.x
24 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
25 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
26 * - extensive modifications
27 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
28 * Copyright (c) 2001 Marius Gedminas
29 * - Ctrl/Mod4+Tab works like Meta+Tab (options)
30 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org>
31 *
32 * This program is free software; you can redistribute it and/or modify
33 * it under the terms of the GNU General Public License as published by
34 * the Free Software Foundation; either version 2 of the License, or
35 * (at your option) any later version.
36 *
37 * This program is distributed in the hope that it will be useful,
38 * but WITHOUT ANY WARRANTY; without even the implied warranty of
39 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
40 * GNU General Public License for more details.
41 *
42 * You should have received a copy of the GNU General Public License
43 * along with this program; if not, write to the Free Software
44 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 *----------------------------------------------------------------------*/
46
47 /*{{{ includes: */
48 #include "../config.h" /* NECESSARY */
49 #include "rxvt.h" /* NECESSARY */
50 #include "version.h"
51 #include "command.h"
52
53 #include <wchar.h>
54
55 /*----------------------------------------------------------------------*/
56
57 /*{{{ Convert the keypress event into a string */
58 /* INTPROTO */
59 void
60 rxvt_lookup_key(pR_ XKeyEvent *ev)
61 {
62 int ctrl, meta, shft, len;
63 unsigned int newlen;
64 KeySym keysym;
65 #ifdef DEBUG_CMD
66 static int debug_key = 1; /* accessible by a debugger only */
67 #endif
68 int valid_keysym;
69 unsigned char *kbuf = R->kbuf;
70
71 /*
72 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
73 * escape sequence to toggle the Keypad.
74 *
75 * Always permit `shift' to override the current setting
76 */
77 shft = (ev->state & ShiftMask);
78 ctrl = (ev->state & ControlMask);
79 meta = (ev->state & R->ModMetaMask);
80
81 if (R->numlock_state || (ev->state & R->ModNumLockMask))
82 {
83 R->numlock_state = (ev->state & R->ModNumLockMask);
84 PrivMode((!R->numlock_state), PrivMode_aplKP);
85 }
86
87 kbuf[0] = 0;
88
89 #ifdef USE_XIM
90 if (R->Input_Context)
91 {
92 Status status_return;
93
94 #ifdef X_HAVE_UTF8_STRING
95 if (R->enc_utf8 && 0)
96 len = Xutf8LookupString (R->Input_Context, ev, (char *)kbuf,
97 KBUFSZ, &keysym, &status_return);
98 else
99 #endif
100 {
101 wchar_t wkbuf[KBUFSZ + 1];
102
103 // the XOpenIM manpage lies about hardcoding the locale
104 // at the point of XOpenIM, so temporarily switch locales
105 if (R->rs[Rs_imLocale])
106 SET_LOCALE (R->rs[Rs_imLocale]);
107 // assume wchar_t == unicode or better
108 len = XwcLookupString (R->Input_Context, ev, wkbuf,
109 KBUFSZ, &keysym, &status_return);
110 if (R->rs[Rs_imLocale])
111 SET_LOCALE (R->locale);
112
113 if (status_return == XLookupChars
114 || status_return == XLookupBoth)
115 {
116 wkbuf[len] = 0;
117 len = wcstombs ((char *)kbuf, wkbuf, KBUFSZ);
118 if (len < 0)
119 len = 0;
120 }
121 else
122 len = 0;
123 }
124
125 valid_keysym = status_return == XLookupKeySym
126 || status_return == XLookupBoth;
127 }
128 else
129 #endif
130 {
131 len = XLookupString (ev, (char *)kbuf, KBUFSZ, &keysym, &R->compose);
132 valid_keysym = !len;
133 }
134
135 if (valid_keysym)
136 {
137 /* for some backwards compatibility */
138 #if defined(HOTKEY_CTRL) || defined(HOTKEY_META)
139 # ifdef HOTKEY_CTRL
140 if (ctrl)
141 # else
142 if (meta)
143 # endif
144 {
145 if (keysym == R->ks_bigfont)
146 {
147 rxvt_change_font(aR_ 0, FONT_UP);
148 return;
149 }
150 else if (keysym == R->ks_smallfont)
151 {
152 rxvt_change_font(aR_ 0, FONT_DN);
153 return;
154 }
155 }
156 #endif
157
158 if (R->TermWin.saveLines) {
159 #ifdef UNSHIFTED_SCROLLKEYS
160 if (!ctrl && !meta) {
161 #else
162 if (IS_SCROLL_MOD) {
163 #endif
164 int lnsppg;
165
166 #ifdef PAGING_CONTEXT_LINES
167 lnsppg = R->TermWin.nrow - PAGING_CONTEXT_LINES;
168 #else
169 lnsppg = R->TermWin.nrow * 4 / 5;
170 #endif
171 if (keysym == XK_Prior) {
172 rxvt_scr_page(aR_ UP, lnsppg);
173 return;
174 } else if (keysym == XK_Next) {
175 rxvt_scr_page(aR_ DN, lnsppg);
176 return;
177 }
178 }
179 #ifdef SCROLL_ON_UPDOWN_KEYS
180 if (IS_SCROLL_MOD) {
181 if (keysym == XK_Up) {
182 rxvt_scr_page(aR_ UP, 1);
183 return;
184 } else if (keysym == XK_Down) {
185 rxvt_scr_page(aR_ DN, 1);
186 return;
187 }
188 }
189 #endif
190 #ifdef SCROLL_ON_HOMEEND_KEYS
191 if (IS_SCROLL_MOD) {
192 if (keysym == XK_Home) {
193 rxvt_scr_move_to(aR_ 0, 1);
194 return;
195 } else if (keysym == XK_End) {
196 rxvt_scr_move_to(aR_ 1, 0);
197 return;
198 }
199 }
200 #endif
201 }
202
203 if (shft) {
204 /* Shift + F1 - F10 generates F11 - F20 */
205 if (keysym >= XK_F1 && keysym <= XK_F10) {
206 keysym += (XK_F11 - XK_F1);
207 shft = 0; /* turn off Shift */
208 } else if (!ctrl && !meta && (R->PrivateModes & PrivMode_ShiftKeys)) {
209 switch (keysym) {
210 /* normal XTerm key bindings */
211 case XK_Insert: /* Shift+Insert = paste mouse selection */
212 rxvt_selection_request(aR_ ev->time, 0, 0);
213 return;
214 /* rxvt extras */
215 case XK_KP_Add: /* Shift+KP_Add = bigger font */
216 rxvt_change_font(aR_ 0, FONT_UP);
217 return;
218 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
219 rxvt_change_font(aR_ 0, FONT_DN);
220 return;
221 }
222 }
223 }
224 #ifdef PRINTPIPE
225 if (keysym == XK_Print) {
226 rxvt_scr_printscreen(aR_ ctrl | shft);
227 return;
228 }
229 #endif
230 #ifdef GREEK_SUPPORT
231 if (keysym == R->ks_greekmodeswith) {
232 R->greek_mode = !R->greek_mode;
233 if (R->greek_mode) {
234 rxvt_xterm_seq(aR_ XTerm_title,
235 (greek_getmode() == GREEK_ELOT928
236 ? "[Greek: iso]" : "[Greek: ibm]"), CHAR_ST);
237 greek_reset();
238 } else
239 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
240 return;
241 }
242 #endif
243
244 if (keysym >= 0xFF00 && keysym <= 0xFFFF) {
245 #ifdef KEYSYM_RESOURCE
246 if (!(shft | ctrl) && R->Keysym_map[keysym & 0xFF] != NULL) {
247 unsigned int l;
248 const unsigned char *kbuf0;
249 const unsigned char ch = C0_ESC;
250
251 kbuf0 = (R->Keysym_map[keysym & 0xFF]);
252 l = (unsigned int)*kbuf0++;
253
254 /* escape prefix */
255 if (meta)
256 # ifdef META8_OPTION
257 if (R->meta_char == C0_ESC)
258 # endif
259 R->tt_write (&ch, 1);
260 R->tt_write (kbuf0, l);
261 return;
262 } else
263 #endif
264 {
265 newlen = 1;
266 switch (keysym) {
267 #ifndef NO_BACKSPACE_KEY
268 case XK_BackSpace:
269 if (R->PrivateModes & PrivMode_HaveBackSpace) {
270 kbuf[0] = (!!(R->PrivateModes & PrivMode_BackSpace)
271 ^ !!ctrl) ? '\b' : '\177';
272 kbuf[1] = '\0';
273 } else
274 STRCPY(kbuf, R->key_backspace);
275 # ifdef MULTICHAR_SET
276 if ((R->Options & Opt_mc_hack) && R->screen.cur.col > 0) {
277 int col, row;
278
279 newlen = STRLEN(kbuf);
280 col = R->screen.cur.col - 1;
281 row = R->screen.cur.row + R->TermWin.saveLines;
282 if (IS_MULTI2(R->screen.rend[row][col]))
283 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
284 }
285 # endif
286 break;
287 #endif
288 #ifndef NO_DELETE_KEY
289 case XK_Delete:
290 STRCPY(kbuf, R->key_delete);
291 # ifdef MULTICHAR_SET
292 if (R->Options & Opt_mc_hack) {
293 int col, row;
294
295 newlen = STRLEN(kbuf);
296 col = R->screen.cur.col;
297 row = R->screen.cur.row + R->TermWin.saveLines;
298 if (IS_MULTI1(R->screen.rend[row][col]))
299 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
300 }
301 # endif
302 break;
303 #endif
304 case XK_Tab:
305 if (shft)
306 STRCPY(kbuf, "\033[Z");
307 else {
308 #ifdef CTRL_TAB_MAKES_META
309 if (ctrl)
310 meta = 1;
311 #endif
312 #ifdef MOD4_TAB_MAKES_META
313 if (ev->state & Mod4Mask)
314 meta = 1;
315 #endif
316 newlen = 0;
317 }
318 break;
319
320
321 #ifdef XK_KP_Left
322 case XK_KP_Up: /* \033Ox or standard */
323 case XK_KP_Down: /* \033Or or standard */
324 case XK_KP_Right: /* \033Ov or standard */
325 case XK_KP_Left: /* \033Ot or standard */
326 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
327 STRCPY(kbuf, "\033OZ");
328 kbuf[2] = ("txvr"[keysym - XK_KP_Left]);
329 break;
330 } else
331 /* translate to std. cursor key */
332 keysym = XK_Left + (keysym - XK_KP_Left);
333 /* FALLTHROUGH */
334 #endif
335 case XK_Up: /* "\033[A" */
336 case XK_Down: /* "\033[B" */
337 case XK_Right: /* "\033[C" */
338 case XK_Left: /* "\033[D" */
339 STRCPY(kbuf, "\033[Z");
340 kbuf[2] = ("DACB"[keysym - XK_Left]);
341 /* do Shift first */
342 if (shft)
343 kbuf[2] = ("dacb"[keysym - XK_Left]);
344 else if (ctrl) {
345 kbuf[1] = 'O';
346 kbuf[2] = ("dacb"[keysym - XK_Left]);
347 } else if (R->PrivateModes & PrivMode_aplCUR)
348 kbuf[1] = 'O';
349 #ifdef MULTICHAR_SET
350 //TODO: ??
351 if (R->Options & Opt_mc_hack) {
352 int col, row, m;
353
354 col = R->screen.cur.col;
355 row = R->screen.cur.row + R->TermWin.saveLines;
356 m = 0;
357 if (keysym == XK_Right
358 && IS_MULTI1(R->screen.rend[row][col]))
359 m = 1;
360 else if (keysym == XK_Left) {
361 if (col > 0) {
362 if (IS_MULTI2(R->screen.rend[row][col - 1]))
363 m = 1;
364 } else if (R->screen.cur.row > 0) {
365 col = R->screen.tlen[--row];
366 if (col == -1)
367 col = R->TermWin.ncol - 1;
368 else
369 col--;
370 if (col > 0
371 && IS_MULTI2(R->screen.rend[row][col]))
372 m = 1;
373 }
374 }
375 if (m)
376 MEMMOVE(kbuf + 3, kbuf, 3 + 1);
377 }
378 #endif
379 break;
380
381 #ifndef UNSHIFTED_SCROLLKEYS
382 # ifdef XK_KP_Prior
383 case XK_KP_Prior:
384 /* allow shift to override */
385 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
386 STRCPY(kbuf, "\033Oy");
387 break;
388 }
389 /* FALLTHROUGH */
390 # endif
391 case XK_Prior:
392 STRCPY(kbuf, "\033[5~");
393 break;
394 # ifdef XK_KP_Next
395 case XK_KP_Next:
396 /* allow shift to override */
397 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
398 STRCPY(kbuf, "\033Os");
399 break;
400 }
401 /* FALLTHROUGH */
402 # endif
403 case XK_Next:
404 STRCPY(kbuf, "\033[6~");
405 break;
406 #endif
407 case XK_KP_Enter:
408 /* allow shift to override */
409 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
410 STRCPY(kbuf, "\033OM");
411 } else {
412 kbuf[0] = '\r';
413 kbuf[1] = '\0';
414 }
415 break;
416
417 #ifdef XK_KP_Begin
418 case XK_KP_Begin:
419 STRCPY(kbuf, "\033Ou");
420 break;
421
422 case XK_KP_Insert:
423 STRCPY(kbuf, "\033Op");
424 break;
425
426 case XK_KP_Delete:
427 STRCPY(kbuf, "\033On");
428 break;
429 #endif
430 case XK_KP_F1: /* "\033OP" */
431 case XK_KP_F2: /* "\033OQ" */
432 case XK_KP_F3: /* "\033OR" */
433 case XK_KP_F4: /* "\033OS" */
434 STRCPY(kbuf, "\033OP");
435 kbuf[2] += (keysym - XK_KP_F1);
436 break;
437
438 case XK_KP_Multiply: /* "\033Oj" : "*" */
439 case XK_KP_Add: /* "\033Ok" : "+" */
440 case XK_KP_Separator: /* "\033Ol" : "," */
441 case XK_KP_Subtract: /* "\033Om" : "-" */
442 case XK_KP_Decimal: /* "\033On" : "." */
443 case XK_KP_Divide: /* "\033Oo" : "/" */
444 case XK_KP_0: /* "\033Op" : "0" */
445 case XK_KP_1: /* "\033Oq" : "1" */
446 case XK_KP_2: /* "\033Or" : "2" */
447 case XK_KP_3: /* "\033Os" : "3" */
448 case XK_KP_4: /* "\033Ot" : "4" */
449 case XK_KP_5: /* "\033Ou" : "5" */
450 case XK_KP_6: /* "\033Ov" : "6" */
451 case XK_KP_7: /* "\033Ow" : "7" */
452 case XK_KP_8: /* "\033Ox" : "8" */
453 case XK_KP_9: /* "\033Oy" : "9" */
454 /* allow shift to override */
455 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
456 STRCPY(kbuf, "\033Oj");
457 kbuf[2] += (keysym - XK_KP_Multiply);
458 } else {
459 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
460 kbuf[1] = '\0';
461 }
462 break;
463
464 case XK_Find:
465 STRCPY(kbuf, "\033[1~");
466 break;
467 case XK_Insert:
468 STRCPY(kbuf, "\033[2~");
469 break;
470 #ifdef DXK_Remove /* support for DEC remove like key */
471 case DXK_Remove:
472 /* FALLTHROUGH */
473 #endif
474 case XK_Execute:
475 STRCPY(kbuf, "\033[3~");
476 break;
477 case XK_Select:
478 STRCPY(kbuf, "\033[4~");
479 break;
480 #ifdef XK_KP_End
481 case XK_KP_End:
482 /* allow shift to override */
483 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
484 STRCPY(kbuf, "\033Oq");
485 break;
486 }
487 /* FALLTHROUGH */
488 #endif
489 case XK_End:
490 STRCPY(kbuf, KS_END);
491 break;
492 #ifdef XK_KP_Home
493 case XK_KP_Home:
494 /* allow shift to override */
495 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
496 STRCPY(kbuf, "\033Ow");
497 break;
498 }
499 /* FALLTHROUGH */
500 #endif
501 case XK_Home:
502 STRCPY(kbuf, KS_HOME);
503 break;
504
505 #define FKEY(n, fkey) \
506 sprintf((char *)kbuf,"\033[%2d~", (int)((n) + (keysym - fkey)))
507
508 case XK_F1: /* "\033[11~" */
509 case XK_F2: /* "\033[12~" */
510 case XK_F3: /* "\033[13~" */
511 case XK_F4: /* "\033[14~" */
512 case XK_F5: /* "\033[15~" */
513 FKEY(11, XK_F1);
514 break;
515 case XK_F6: /* "\033[17~" */
516 case XK_F7: /* "\033[18~" */
517 case XK_F8: /* "\033[19~" */
518 case XK_F9: /* "\033[20~" */
519 case XK_F10: /* "\033[21~" */
520 FKEY(17, XK_F6);
521 break;
522 case XK_F11: /* "\033[23~" */
523 case XK_F12: /* "\033[24~" */
524 case XK_F13: /* "\033[25~" */
525 case XK_F14: /* "\033[26~" */
526 FKEY(23, XK_F11);
527 break;
528 case XK_F15: /* "\033[28~" */
529 case XK_F16: /* "\033[29~" */
530 FKEY(28, XK_F15);
531 break;
532 case XK_Help: /* "\033[28~" */
533 FKEY(28, XK_Help);
534 break;
535 case XK_Menu: /* "\033[29~" */
536 FKEY(29, XK_Menu);
537 break;
538 case XK_F17: /* "\033[31~" */
539 case XK_F18: /* "\033[32~" */
540 case XK_F19: /* "\033[33~" */
541 case XK_F20: /* "\033[34~" */
542 case XK_F21: /* "\033[35~" */
543 case XK_F22: /* "\033[36~" */
544 case XK_F23: /* "\033[37~" */
545 case XK_F24: /* "\033[38~" */
546 case XK_F25: /* "\033[39~" */
547 case XK_F26: /* "\033[40~" */
548 case XK_F27: /* "\033[41~" */
549 case XK_F28: /* "\033[42~" */
550 case XK_F29: /* "\033[43~" */
551 case XK_F30: /* "\033[44~" */
552 case XK_F31: /* "\033[45~" */
553 case XK_F32: /* "\033[46~" */
554 case XK_F33: /* "\033[47~" */
555 case XK_F34: /* "\033[48~" */
556 case XK_F35: /* "\033[49~" */
557 FKEY(31, XK_F17);
558 break;
559 #undef FKEY
560 default:
561 newlen = 0;
562 break;
563 }
564 if (newlen)
565 len = STRLEN(kbuf);
566 }
567 /*
568 * Pass meta for all function keys, if 'meta' option set
569 */
570 #ifdef META8_OPTION
571 if (meta && (R->meta_char == 0x80) && len > 0)
572 kbuf[len - 1] |= 0x80;
573 #endif
574 } else if (ctrl && keysym == XK_minus) {
575 len = 1;
576 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
577 } else {
578 #ifdef META8_OPTION
579 /* set 8-bit on */
580 if (meta && (R->meta_char == 0x80)) {
581 unsigned char *ch;
582
583 for (ch = kbuf; ch < kbuf + len; ch++)
584 *ch |= 0x80;
585 meta = 0;
586 }
587 #endif
588 #ifdef GREEK_SUPPORT
589 if (R->greek_mode)
590 len = greek_xlat(kbuf, len);
591 #endif
592 /* nil */ ;
593 }
594 }
595
596 if (len <= 0)
597 return; /* not mapped */
598
599 if (R->Options & Opt_scrollTtyKeypress)
600 if (R->TermWin.view_start) {
601 R->TermWin.view_start = 0;
602 R->want_refresh = 1;
603 }
604
605 /*
606 * these modifications only affect the static keybuffer
607 * pass Shift/Control indicators for function keys ending with `~'
608 *
609 * eg,
610 * Prior = "ESC[5~"
611 * Shift+Prior = "ESC[5$"
612 * Ctrl+Prior = "ESC[5^"
613 * Ctrl+Shift+Prior = "ESC[5@"
614 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
615 */
616 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
617 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
618
619 /* escape prefix */
620 if (meta
621 #ifdef META8_OPTION
622 && (R->meta_char == C0_ESC)
623 #endif
624 ) {
625 const unsigned char ch = C0_ESC;
626
627 R->tt_write(&ch, 1);
628 }
629 #ifdef DEBUG_CMD
630 if (debug_key) { /* Display keyboard buffer contents */
631 char *p;
632 int i;
633
634 fprintf(stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
635 for (i = 0, p = kbuf; i < len; i++, p++)
636 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
637 fprintf(stderr, "'\n");
638 }
639 #endif /* DEBUG_CMD */
640 R->tt_write (kbuf, (unsigned int)len);
641 }
642 /*}}} */
643
644 #if (MENUBAR_MAX)
645 /*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
646 /* attempt to `write' count to the input buffer */
647 /* EXTPROTO */
648 unsigned int
649 rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
650 {
651 unsigned int n, s;
652 unsigned char *cmdbuf_base = R->cmdbuf_base,
653 *cmdbuf_endp = R->cmdbuf_endp,
654 *cmdbuf_ptr = R->cmdbuf_ptr;
655
656 n = cmdbuf_ptr - cmdbuf_base;
657 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp;
658 if (n > 0 && s < count) {
659 MEMMOVE(cmdbuf_base, cmdbuf_ptr,
660 (unsigned int)(cmdbuf_endp - cmdbuf_ptr));
661 cmdbuf_ptr = cmdbuf_base;
662 cmdbuf_endp -= n;
663 s += n;
664 }
665 if (count > s) {
666 rxvt_print_error("data loss: cmd_write too large");
667 count = s;
668 }
669 for (; count--;)
670 *cmdbuf_endp++ = *str++;
671 R->cmdbuf_ptr = cmdbuf_ptr;
672 R->cmdbuf_endp = cmdbuf_endp;
673 return 0;
674 }
675 #endif /* MENUBAR_MAX */
676
677 void
678 rxvt_term::flush ()
679 {
680 #ifdef TRANSPARENT
681 if (want_full_refresh)
682 {
683 want_full_refresh = 0;
684 scr_clear ();
685 scr_touch (false);
686 want_refresh = 1;
687 }
688 #endif
689
690 if (want_refresh)
691 {
692 scr_refresh (refresh_type);
693 rxvt_scrollbar_show (this, 1);
694 #ifdef USE_XIM
695 rxvt_IMSendSpot (this);
696 #endif
697 }
698
699 XFlush (Xdisplay);
700 }
701
702 void
703 rxvt_term::check_cb (check_watcher &w)
704 {
705 SET_R (this);
706 SET_LOCALE (locale);
707
708 flush ();
709 }
710
711 void
712 rxvt_term::process_x_events ()
713 {
714 do
715 {
716 XEvent xev;
717
718 XNextEvent (Xdisplay, &xev);
719
720 #if defined(CURSOR_BLINK)
721 if ((Options & Opt_cursorBlink)
722 && xev.type == KeyPress)
723 {
724 if (hidden_cursor)
725 {
726 hidden_cursor = 0;
727 want_refresh = 1;
728 }
729
730 blink_ev.start (NOW + BLINK_INTERVAL);
731 }
732 #endif
733
734 #if defined(POINTER_BLANK)
735 if ((Options & Opt_pointerBlank)
736 && (pointerBlankDelay > 0))
737 {
738 if (xev.type == MotionNotify
739 || xev.type == ButtonPress
740 || xev.type == ButtonRelease)
741 if (hidden_pointer)
742 pointer_unblank ();
743
744 if (xev.type == KeyPress && hidden_pointer == 0)
745 pointer_blank ();
746 }
747 #endif
748
749 #ifdef USE_XIM
750 if (!XFilterEvent (&xev, xev.xany.window))
751 #endif
752 rxvt_process_x_event (this, &xev);
753 }
754 while (XPending (Xdisplay));
755 }
756
757 void
758 rxvt_term::blink_cb (time_watcher &w)
759 {
760 w.at += BLINK_INTERVAL;
761 hidden_cursor = !hidden_cursor;
762 want_refresh = 1;
763 }
764
765 void
766 rxvt_term::x_cb (io_watcher &w, short revents)
767 {
768 SET_R (this);
769 SET_LOCALE (locale);
770
771 process_x_events ();
772 }
773
774 bool
775 rxvt_term::pty_fill ()
776 {
777 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
778
779 memmove (cmdbuf_base, cmdbuf_ptr, n);
780 cmdbuf_ptr = cmdbuf_base;
781 cmdbuf_endp = cmdbuf_ptr + n;
782
783 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n);
784
785 if (n > 0)
786 {
787 cmdbuf_endp += n;
788 return true;
789 }
790 else if (n < 0 && errno != EAGAIN)
791 destroy ();
792
793 return false;
794 }
795
796 void
797 rxvt_term::pty_cb (io_watcher &w, short revents)
798 {
799 SET_R (this);
800 SET_LOCALE (locale);
801
802 if (revents & EVENT_WRITE)
803 tt_write (0, 0);
804 else if (revents & EVENT_READ)
805 {
806 bool flag = true;
807
808 // loop, but don't allow a single term to monopolize us
809 // the number of loops is fully arbitrary, and thus wrong
810 while (flag && pty_fill ())
811 {
812 if (!seen_input)
813 {
814 seen_input = 1;
815 /* once we know the shell is running, send the screen size. Again! */
816 tt_winch ();
817 }
818
819 uint32_t ch = NOCHAR;
820
821 for (;;)
822 {
823 if (ch == NOCHAR)
824 ch = next_char ();
825
826 if (ch == NOCHAR) // TODO: improve
827 break;
828
829 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
830 {
831 /* Read a text string from the input buffer */
832 uint32_t buf[BUFSIZ];
833 bool refreshnow = false;
834 int nlines = 0;
835 uint32_t *str = buf;
836
837 *str++ = ch;
838
839 for (;;)
840 {
841 ch = next_char ();
842
843 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
844 break;
845 else
846 {
847 *str++ = ch;
848
849 if (ch == '\n')
850 {
851 nlines++;
852 refresh_count++;
853
854 if (!(Options & Opt_jumpScroll)
855 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
856 {
857 refreshnow = true;
858 flag = false;
859 ch = NOCHAR;
860 break;
861 }
862 }
863
864 if (str >= buf + BUFSIZ)
865 {
866 ch = NOCHAR;
867 break;
868 }
869 }
870 }
871
872 rxvt_scr_add_lines (this, buf, nlines, str - buf);
873
874 /*
875 * If there have been a lot of new lines, then update the screen
876 * What the heck I'll cheat and only refresh less than every page-full.
877 * the number of pages between refreshes is refresh_limit, which
878 * is incremented here because we must be doing flat-out scrolling.
879 *
880 * refreshing should be correct for small scrolls, because of the
881 * time-out
882 */
883 if (refreshnow)
884 {
885 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
886 refresh_limit++;
887
888 scr_refresh (refresh_type);
889 }
890
891 }
892 else
893 {
894 switch (ch)
895 {
896 default:
897 rxvt_process_nonprinting (this, ch);
898 break;
899 case C0_ESC: /* escape char */
900 rxvt_process_escape_seq (this);
901 break;
902 /*case 0x9b: */ /* CSI */
903 /* rxvt_process_csi_seq (this); */
904 }
905
906 ch = NOCHAR;
907 }
908 }
909 }
910 }
911 }
912
913 // read the next character, currently handles UTF-8
914 // will probably handle all sorts of other stuff in the future
915 uint32_t
916 rxvt_term::next_char ()
917 {
918 while (cmdbuf_ptr < cmdbuf_endp)
919 {
920 if (*cmdbuf_ptr < 0x80) // assume < 0x80 to be ascii ALWAYS (all shift-states etc.) uh-oh
921 return *cmdbuf_ptr++;
922
923 wchar_t wc;
924 int len = mbrtowc (&wc, (char *)cmdbuf_ptr, cmdbuf_endp - cmdbuf_ptr, &mbstate.mbs);
925
926 if (len == (size_t)-2)
927 return NOCHAR;
928
929 if (len == (size_t)-1)
930 return *cmdbuf_ptr++; // the _occasional_ latin1 character is allowed to slip through
931
932 // assume wchar == unicode
933 cmdbuf_ptr += len;
934 return wc;
935 }
936
937 return NOCHAR;
938 }
939
940 /* rxvt_cmd_getc() - Return next input character */
941 /*
942 * Return the next input character after first passing any keyboard input
943 * to the command.
944 */
945 /* INTPROTO */
946 uint32_t
947 rxvt_cmd_getc(pR)
948 {
949 for (;;)
950 {
951 uint32_t c = R->next_char ();
952 if (c != NOCHAR)
953 return c;
954
955 // incomplete sequences should occur rarely, still, a better solution
956 // would be preferred. either setjmp/longjmp or better design.
957 fcntl (R->cmd_fd, F_SETFL, 0);
958 R->pty_fill ();
959 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
960 }
961
962 #if 0
963 #define TIMEOUT_USEC 5000
964 fd_set readfds;
965 int quick_timeout, select_res;
966 int want_motion_time, want_keypress_time;
967 struct timeval value;
968 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
969 struct timeval tp;
970 #endif
971
972 for (;;) {
973 /* loop until we can return something */
974
975 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
976 R->tt_write(NULL, 0);
977
978 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
979 if (R->mouse_slip_wheel_speed) {
980 quick_timeout = 1;
981 if (!R->mouse_slip_wheel_delay--
982 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
983 abs(R->mouse_slip_wheel_speed))) {
984 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
985 R->refresh_type |= SMOOTH_REFRESH;
986 R->want_refresh = 1;
987 }
988 }
989 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
990 #ifdef SELECTION_SCROLLING
991 if (R->pending_scroll_selection) {
992 quick_timeout = 1;
993 if (!R->scroll_selection_delay--
994 && rxvt_scr_page(aR_ R->scroll_selection_dir,
995 R->scroll_selection_lines)) {
996 R->selection_extend (R->selection_save_x,
997 R->selection_save_y, R->selection_save_state);
998 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
999 R->refresh_type |= SMOOTH_REFRESH;
1000 R->want_refresh = 1;
1001 }
1002 }
1003 #endif
1004 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1005 if (scrollbar_isUp() || scrollbar_isDn()) {
1006 quick_timeout = 1;
1007 if (!R->scroll_arrow_delay--
1008 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
1009 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
1010 R->refresh_type |= SMOOTH_REFRESH;
1011 R->want_refresh = 1;
1012 }
1013 }
1014 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1015
1016 #ifdef TRANSPARENT
1017 quick_timeout |= R->want_full_refresh;
1018 #endif
1019 #endif
1020 }
1021
1022 void
1023 rxvt_term::pointer_unblank ()
1024 {
1025 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1026 recolour_cursor ();
1027
1028 #ifdef POINTER_BLANK
1029 hidden_pointer = 0;
1030
1031 if (Options & Opt_pointerBlank)
1032 pointer_ev.start (NOW + pointerBlankDelay);
1033 #endif
1034 }
1035
1036 #ifdef POINTER_BLANK
1037 void
1038 rxvt_term::pointer_blank ()
1039 {
1040 pointer_ev.stop ();
1041
1042 if (!(Options & Opt_pointerBlank))
1043 return;
1044
1045 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1046 XFlush (Xdisplay);
1047
1048 hidden_pointer = 1;
1049 }
1050
1051 void
1052 rxvt_term::pointer_cb (time_watcher &w)
1053 {
1054 SET_R (this);
1055 SET_LOCALE (locale);
1056
1057 pointer_blank ();
1058 }
1059 #endif
1060
1061 /* INTPROTO */
1062 void
1063 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1064 {
1065 int button_number, key_state = 0;
1066 int x, y;
1067
1068 x = ev->x;
1069 y = ev->y;
1070 R->pixel_position (&x, &y);
1071
1072 if (R->MEvent.button == AnyButton) {
1073 button_number = 3;
1074 } else {
1075 button_number = R->MEvent.button - Button1;
1076 /* add 0x3D for wheel events, like xterm does */
1077 if (button_number >= 3)
1078 button_number += (64 - 3);
1079 }
1080
1081 if (R->PrivateModes & PrivMode_MouseX10) {
1082 /*
1083 * do not report ButtonRelease
1084 * no state info allowed
1085 */
1086 key_state = 0;
1087 if (button_number == 3)
1088 return;
1089 } else {
1090 /* XTerm mouse reporting needs these values:
1091 * 4 = Shift
1092 * 8 = Meta
1093 * 16 = Control
1094 * plus will add in our own Double-Click reporting
1095 * 32 = Double Click
1096 */
1097 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1098 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1099 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1100 #ifdef MOUSE_REPORT_DOUBLECLICK
1101 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1102 #endif
1103 }
1104
1105 #ifdef DEBUG_MOUSEREPORT
1106 fprintf(stderr, "Mouse [");
1107 if (key_state & 16)
1108 fputc('C', stderr);
1109 if (key_state & 4)
1110 fputc('S', stderr);
1111 if (key_state & 8)
1112 fputc('A', stderr);
1113 if (key_state & 32)
1114 fputc('2', stderr);
1115 fprintf(stderr, "]: <%d>, %d/%d\n",
1116 button_number,
1117 x + 1,
1118 y + 1);
1119 #else
1120 R->tt_printf("\033[M%c%c%c",
1121 (32 + button_number + key_state),
1122 (32 + x + 1),
1123 (32 + y + 1));
1124 #endif
1125 }
1126
1127 #ifdef USING_W11LIB
1128 /* EXTPROTO */
1129 void
1130 rxvt_W11_process_x_event(XEvent *ev)
1131 {
1132 rxvt_t *r = rxvt_get_r();
1133
1134 rxvt_process_x_event(aR_ ev);
1135 }
1136 #endif
1137
1138 /*{{{ process an X event */
1139 /* INTPROTO */
1140 void
1141 rxvt_process_x_event(pR_ XEvent *ev)
1142 {
1143 int i, want_timeout;
1144 Window unused_root, unused_child;
1145 int unused_root_x, unused_root_y;
1146 unsigned int unused_mask;
1147
1148 #ifdef DEBUG_X
1149 const char *const eventnames[] =
1150 { /* mason - this matches my system */
1151 "",
1152 "",
1153 "KeyPress",
1154 "KeyRelease",
1155 "ButtonPress",
1156 "ButtonRelease",
1157 "MotionNotify",
1158 "EnterNotify",
1159 "LeaveNotify",
1160 "FocusIn",
1161 "FocusOut",
1162 "KeymapNotify",
1163 "Expose",
1164 "GraphicsExpose",
1165 "NoExpose",
1166 "VisibilityNotify",
1167 "CreateNotify",
1168 "DestroyNotify",
1169 "UnmapNotify",
1170 "MapNotify",
1171 "MapRequest",
1172 "ReparentNotify",
1173 "ConfigureNotify",
1174 "ConfigureRequest",
1175 "GravityNotify",
1176 "ResizeRequest",
1177 "CirculateNotify",
1178 "CirculateRequest",
1179 "PropertyNotify",
1180 "SelectionClear",
1181 "SelectionRequest",
1182 "SelectionNotify",
1183 "ColormapNotify",
1184 "ClientMessage",
1185 "MappingNotify"
1186 };
1187 #endif
1188
1189 #ifdef DEBUG_X
1190 struct timeval tp;
1191 struct tm *ltt;
1192 (void)gettimeofday(&tp, NULL);
1193 ltt = localtime(&(tp.tv_sec));
1194 D_X((stderr, "Event: %-16s %-7s %08lx (%4d-%02d-%02d %02d:%02d:%02d.%.6ld) %s %lu", eventnames[ev->type], (ev->xany.window == R->TermWin.parent[0] ? "parent" : (ev->xany.window == R->TermWin.vt ? "vt" : (ev->xany.window == R->scrollBar.win ? "scroll" : (ev->xany.window == R->menuBar.win ? "menubar" : "UNKNOWN")))), (ev->xany.window == R->TermWin.parent[0] ? R->TermWin.parent[0] : (ev->xany.window == R->TermWin.vt ? R->TermWin.vt : (ev->xany.window == R->scrollBar.win ? R->scrollBar.win : (ev->xany.window == R->menuBar.win ? R->menuBar.win : 0)))), ltt->tm_year + 1900, ltt->tm_mon + 1, ltt->tm_mday, ltt->tm_hour, ltt->tm_min, ltt->tm_sec, tp.tv_usec, ev->xany.send_event ? "S" : " ", ev->xany.serial));
1195 #endif
1196
1197 switch (ev->type) {
1198 case KeyPress:
1199 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1200 break;
1201
1202 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1203 case KeyRelease:
1204 {
1205 if (!(ev->xkey.state & ControlMask))
1206 R->mouse_slip_wheel_speed = 0;
1207 else {
1208 KeySym ks;
1209
1210 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1211 if (ks == XK_Control_L || ks == XK_Control_R)
1212 R->mouse_slip_wheel_speed = 0;
1213 }
1214 break;
1215 }
1216 #endif
1217
1218 case ButtonPress:
1219 rxvt_button_press(aR_ (XButtonEvent *)ev);
1220 break;
1221
1222 case ButtonRelease:
1223 rxvt_button_release(aR_ (XButtonEvent *)ev);
1224 break;
1225
1226 case ClientMessage:
1227 if (ev->xclient.format == 32
1228 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1229 R->destroy ();
1230 #ifdef OFFIX_DND
1231 /* OffiX Dnd (drag 'n' drop) protocol */
1232 else if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1233 && (ev->xclient.data.l[0] == DndFile
1234 || ev->xclient.data.l[0] == DndDir
1235 || ev->xclient.data.l[0] == DndLink)) {
1236 /* Get Dnd data */
1237 Atom ActualType;
1238 int ActualFormat;
1239 unsigned char *data;
1240 unsigned long Size, RemainingBytes;
1241
1242 XGetWindowProperty(R->Xdisplay, Xroot,
1243 R->xa[XA_DNDSELECTION],
1244 0L, 1000000L,
1245 False, AnyPropertyType,
1246 &ActualType, &ActualFormat,
1247 &Size, &RemainingBytes,
1248 &data);
1249 XChangeProperty(R->Xdisplay, Xroot,
1250 XA_CUT_BUFFER0, XA_STRING,
1251 8, PropModeReplace,
1252 data, STRLEN(data));
1253 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1254 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1255 }
1256 #endif /* OFFIX_DND */
1257 break;
1258
1259 case MappingNotify:
1260 XRefreshKeyboardMapping(&(ev->xmapping));
1261 break;
1262
1263 /*
1264 * XXX: this is not the _current_ arrangement
1265 * Here's my conclusion:
1266 * If the window is completely unobscured, use bitblt's
1267 * to scroll. Even then, they're only used when doing partial
1268 * screen scrolling. When partially obscured, we have to fill
1269 * in the GraphicsExpose parts, which means that after each refresh,
1270 * we need to wait for the graphics expose or Noexpose events,
1271 * which ought to make things real slow!
1272 */
1273 case VisibilityNotify:
1274 switch (ev->xvisibility.state)
1275 {
1276 case VisibilityUnobscured:
1277 R->refresh_type = FAST_REFRESH;
1278 break;
1279 case VisibilityPartiallyObscured:
1280 R->refresh_type = SLOW_REFRESH;
1281 break;
1282 default:
1283 R->refresh_type = NO_REFRESH;
1284 break;
1285 }
1286 break;
1287
1288 case FocusIn:
1289 if (!R->TermWin.focus) {
1290 R->TermWin.focus = 1;
1291 R->want_refresh = 1;
1292 #ifdef USE_XIM
1293 if (R->Input_Context != NULL)
1294 XSetICFocus(R->Input_Context);
1295 #endif
1296 #ifdef CURSOR_BLINK
1297 if (R->Options & Opt_cursorBlink)
1298 R->blink_ev.start (NOW + BLINK_INTERVAL);
1299 #endif
1300 }
1301 break;
1302
1303 case FocusOut:
1304 if (R->TermWin.focus) {
1305 R->TermWin.focus = 0;
1306 R->want_refresh = 1;
1307 #ifdef USE_XIM
1308 if (R->Input_Context != NULL)
1309 XUnsetICFocus(R->Input_Context);
1310 #endif
1311 #ifdef CURSOR_BLINK
1312 if (R->Options & Opt_cursorBlink)
1313 R->blink_ev.stop ();
1314 R->hidden_cursor = 0;
1315 #endif
1316 }
1317 break;
1318
1319 case ConfigureNotify:
1320 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1321 int height, width;
1322
1323 do { /* Wrap lots of configures into one */
1324 width = ev->xconfigure.width;
1325 height = ev->xconfigure.height;
1326 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1327 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1328 ConfigureNotify, ev));
1329 if (R->szHint.width != width || R->szHint.height != height) {
1330 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1331 R->resize_all_windows (width, height, 1);
1332 }
1333 #ifdef DEBUG_SIZE
1334 else {
1335 D_SIZE((stderr, "Size: Not resizing"));
1336 }
1337 #endif
1338 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1339 if (R->Options & Opt_transparent) {
1340 rxvt_check_our_parents(aR);
1341 if (R->am_transparent)
1342 R->want_full_refresh = 1;
1343 }
1344 #endif
1345 }
1346 break;
1347
1348 case SelectionClear:
1349 rxvt_selection_clear(aR);
1350 break;
1351
1352 case SelectionNotify:
1353 if (R->selection_wait == Sel_normal)
1354 rxvt_selection_paste(aR_ ev->xselection.requestor,
1355 ev->xselection.property, True);
1356 break;
1357
1358 case SelectionRequest:
1359 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1360 break;
1361
1362 case UnmapNotify:
1363 R->TermWin.mapped = 0;
1364 break;
1365
1366 case MapNotify:
1367 R->TermWin.mapped = 1;
1368 break;
1369
1370 case PropertyNotify:
1371 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1372 if (ev->xproperty.state == PropertyNewValue)
1373 rxvt_selection_property(aR_ ev->xproperty.window,
1374 ev->xproperty.atom);
1375 break;
1376 }
1377 #ifdef TRANSPARENT
1378 /*
1379 * if user used some Esetroot compatible prog to set the root bg,
1380 * use the property to determine the pixmap. We use it later on.
1381 */
1382 if (R->xa[XA_XROOTPMAPID] == 0)
1383 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1384 "_XROOTPMAP_ID", False);
1385 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1386 break;
1387 /* FALLTHROUGH */
1388 case ReparentNotify:
1389 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1390 if (R->am_transparent)
1391 R->want_full_refresh = 1;
1392 }
1393 #endif /* TRANSPARENT */
1394 break;
1395
1396 case GraphicsExpose:
1397 case Expose:
1398 if (ev->xany.window == R->TermWin.vt) {
1399 #ifdef NO_SLOW_LINK_SUPPORT
1400 R->scr_expose (ev->xexpose.x, ev->xexpose.y,
1401 ev->xexpose.width, ev->xexpose.height, False);
1402 #else
1403 // don't understand this, so commented it out
1404 R->scr_expose (ev->xexpose.x, ev->xexpose.y,
1405 ev->xexpose.width, ev->xexpose.height, False);
1406 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1407 // ev->xexpose.width, R->TermWin.height, False);
1408 #endif
1409 R->want_refresh = 1;
1410 } else {
1411 XEvent unused_xevent;
1412
1413 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1414 Expose,
1415 &unused_xevent)) ;
1416 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1417 GraphicsExpose,
1418 &unused_xevent)) ;
1419 if (isScrollbarWindow(ev->xany.window)) {
1420 R->scrollBar.setIdle();
1421 rxvt_scrollbar_show(aR_ 0);
1422 }
1423 #ifdef MENUBAR
1424 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1425 rxvt_menubar_expose(aR);
1426 #endif
1427 #ifdef RXVT_GRAPHICS
1428 rxvt_Gr_expose(aR_ ev->xany.window);
1429 #endif
1430 }
1431 break;
1432
1433 case MotionNotify:
1434 #ifdef POINTER_BLANK
1435 if (R->hidden_pointer)
1436 R->pointer_unblank ();
1437 #endif
1438 #if MENUBAR
1439 if (isMenuBarWindow(ev->xany.window)) {
1440 rxvt_menubar_control(aR_ &(ev->xbutton));
1441 break;
1442 }
1443 #endif
1444 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1445 break;
1446
1447 if (ev->xany.window == R->TermWin.vt) {
1448 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1449 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1450 MotionNotify, ev)) ;
1451 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1452 &unused_root, &unused_child,
1453 &unused_root_x, &unused_root_y,
1454 &(ev->xbutton.x), &(ev->xbutton.y),
1455 &unused_mask);
1456 #ifdef MOUSE_THRESHOLD
1457 /* deal with a `jumpy' mouse */
1458 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1459 #endif
1460 R->selection_extend ((ev->xbutton.x), (ev->xbutton.y),
1461 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1462 #ifdef SELECTION_SCROLLING
1463 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1464 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1465 int dist;
1466
1467 R->pending_scroll_selection=1;
1468
1469 /* don't clobber the current delay if we are
1470 * already in the middle of scrolling.
1471 */
1472 if (R->scroll_selection_delay<=0)
1473 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1474
1475 /* save the event params so we can highlight
1476 * the selection in the pending-scroll loop
1477 */
1478 R->selection_save_x=ev->xbutton.x;
1479 R->selection_save_y=ev->xbutton.y;
1480 R->selection_save_state=
1481 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1482
1483 /* calc number of lines to scroll */
1484 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1485 R->scroll_selection_dir = UP;
1486 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1487 }
1488 else {
1489 R->scroll_selection_dir = DN;
1490 dist = ev->xbutton.y -
1491 (R->TermWin.int_bwidth + R->TermWin.height);
1492 }
1493 R->scroll_selection_lines=(Pixel2Height(dist)/
1494 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1495 MIN_IT(R->scroll_selection_lines,
1496 SELECTION_SCROLL_MAX_LINES);
1497 }
1498 else {
1499 /* we are within the text window, so we
1500 * shouldn't be scrolling
1501 */
1502 R->pending_scroll_selection = 0;
1503 }
1504 #endif
1505 #ifdef MOUSE_THRESHOLD
1506 }
1507 #endif
1508 }
1509 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1510 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1511 MotionNotify, ev)) ;
1512 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1513 &unused_root, &unused_child,
1514 &unused_root_x, &unused_root_y,
1515 &(ev->xbutton.x), &(ev->xbutton.y),
1516 &unused_mask);
1517 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1518 scrollbar_size());
1519 R->scr_refresh (R->refresh_type);
1520 R->refresh_limit = 0;
1521 rxvt_scrollbar_show(aR_ 1);
1522 }
1523 break;
1524 }
1525 }
1526
1527 /* INTPROTO */
1528 void
1529 rxvt_button_press(pR_ XButtonEvent *ev)
1530 {
1531 int reportmode = 0, clickintime;
1532
1533 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1534 if (!R->bypass_keystate)
1535 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1536 /*
1537 * VT window processing of button press
1538 */
1539 if (ev->window == R->TermWin.vt)
1540 {
1541 #if RXVT_GRAPHICS
1542 if (ev->subwindow != None)
1543 rxvt_Gr_ButtonPress (ev->x, ev->y);
1544 else
1545 #endif
1546 {
1547 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1548 if (reportmode)
1549 {
1550 /* mouse report from vt window */
1551 /* save the xbutton state (for ButtonRelease) */
1552 R->MEvent.state = ev->state;
1553 #ifdef MOUSE_REPORT_DOUBLECLICK
1554 if (ev->button == R->MEvent.button && clickintime)
1555 {
1556 /* same button, within alloted time */
1557 R->MEvent.clicks++;
1558 if (R->MEvent.clicks > 1)
1559 {
1560 /* only report double clicks */
1561 R->MEvent.clicks = 2;
1562 rxvt_mouse_report(aR_ ev);
1563
1564 /* don't report the release */
1565 R->MEvent.clicks = 0;
1566 R->MEvent.button = AnyButton;
1567 }
1568 }
1569 else
1570 {
1571 /* different button, or time expired */
1572 R->MEvent.clicks = 1;
1573 R->MEvent.button = ev->button;
1574 rxvt_mouse_report(aR_ ev);
1575 }
1576 #else
1577 R->MEvent.button = ev->button;
1578 rxvt_mouse_report(aR_ ev);
1579 #endif /* MOUSE_REPORT_DOUBLECLICK */
1580 }
1581 else
1582 {
1583 if (ev->button != R->MEvent.button)
1584 R->MEvent.clicks = 0;
1585 switch (ev->button)
1586 {
1587 case Button1:
1588 /* allow shift+left click to extend selection */
1589 if (ev->state & ShiftMask)
1590 {
1591 if (R->MEvent.button == Button1 && clickintime)
1592 R->selection_rotate (ev->x, ev->y);
1593 else
1594 R->selection_extend (ev->x, ev->y, 1);
1595 }
1596 else
1597 {
1598 if (R->MEvent.button == Button1 && clickintime)
1599 R->MEvent.clicks++;
1600 else
1601 R->MEvent.clicks = 1;
1602
1603 R->selection_click (R->MEvent.clicks, ev->x, ev->y);
1604 }
1605
1606 R->MEvent.button = Button1;
1607 break;
1608
1609 case Button3:
1610 if (R->MEvent.button == Button3 && clickintime)
1611 R->selection_rotate (ev->x, ev->y);
1612 else
1613 R->selection_extend (ev->x, ev->y, 1);
1614 R->MEvent.button = Button3;
1615 break;
1616 }
1617 }
1618 R->MEvent.time = ev->time;
1619 return;
1620 }
1621 }
1622
1623 /*
1624 * Scrollbar window processing of button press
1625 */
1626 if (isScrollbarWindow(ev->window))
1627 {
1628 R->scrollBar.setIdle ();
1629 /*
1630 * Rxvt-style scrollbar:
1631 * move up if mouse is above slider
1632 * move dn if mouse is below slider
1633 *
1634 * XTerm-style scrollbar:
1635 * Move display proportional to pointer location
1636 * pointer near top -> scroll one line
1637 * pointer near bot -> scroll full page
1638 */
1639 #ifndef NO_SCROLLBAR_REPORT
1640 if (reportmode) {
1641 /*
1642 * Mouse report disabled scrollbar:
1643 * arrow buttons - send up/down
1644 * click on scrollbar - send pageup/down
1645 */
1646 if ((R->scrollBar.style == R_SB_NEXT
1647 && scrollbarnext_upButton(ev->y))
1648 || (R->scrollBar.style == R_SB_RXVT
1649 && scrollbarrxvt_upButton(ev->y)))
1650 R->tt_printf("\033[A");
1651 else if ((R->scrollBar.style == R_SB_NEXT
1652 && scrollbarnext_dnButton(ev->y))
1653 || (R->scrollBar.style == R_SB_RXVT
1654 && scrollbarrxvt_dnButton(ev->y)))
1655 R->tt_printf("\033[B");
1656 else
1657 switch (ev->button) {
1658 case Button2:
1659 R->tt_printf("\014");
1660 break;
1661 case Button1:
1662 R->tt_printf("\033[6~");
1663 break;
1664 case Button3:
1665 R->tt_printf("\033[5~");
1666 break;
1667 }
1668 }
1669 else
1670 #endif /* NO_SCROLLBAR_REPORT */
1671 {
1672 char upordown = 0;
1673
1674 if (R->scrollBar.style == R_SB_NEXT) {
1675 if (scrollbarnext_upButton(ev->y))
1676 upordown = -1; /* up */
1677 else if (scrollbarnext_dnButton(ev->y))
1678 upordown = 1; /* down */
1679 } else if (R->scrollBar.style == R_SB_RXVT) {
1680 if (scrollbarrxvt_upButton(ev->y))
1681 upordown = -1; /* up */
1682 else if (scrollbarrxvt_dnButton(ev->y))
1683 upordown = 1; /* down */
1684 }
1685 if (upordown) {
1686 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1687 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1688 #endif
1689 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1690 if (upordown < 0)
1691 R->scrollBar.setUp ();
1692 else
1693 R->scrollBar.setDn ();
1694 }
1695 } else
1696 switch (ev->button) {
1697 case Button2:
1698 switch (R->scrollbar_align) {
1699 case R_SB_ALIGN_TOP:
1700 R->csrO = 0;
1701 break;
1702 case R_SB_ALIGN_CENTRE:
1703 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1704 break;
1705 case R_SB_ALIGN_BOTTOM:
1706 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1707 break;
1708 }
1709 if (R->scrollBar.style == R_SB_XTERM
1710 || scrollbar_above_slider(ev->y)
1711 || scrollbar_below_slider(ev->y))
1712 rxvt_scr_move_to(aR_
1713 scrollbar_position(ev->y) - R->csrO,
1714 scrollbar_size());
1715 R->scrollBar.setMotion ();
1716 break;
1717
1718 case Button1:
1719 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1720 R->csrO = ev->y - R->scrollBar.top;
1721 /* FALLTHROUGH */
1722
1723 case Button3:
1724 if (R->scrollBar.style != R_SB_XTERM) {
1725 if (scrollbar_above_slider(ev->y))
1726 # ifdef RXVT_SCROLL_FULL
1727 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1728 # else
1729 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1730 # endif
1731 else if (scrollbar_below_slider(ev->y))
1732 # ifdef RXVT_SCROLL_FULL
1733 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1734 # else
1735 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1736 # endif
1737 else
1738 R->scrollBar.setMotion ();
1739 } else {
1740 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1741 (R->TermWin.nrow
1742 * scrollbar_position(ev->y)
1743 / scrollbar_size()));
1744 }
1745 break;
1746 }
1747 }
1748 return;
1749 }
1750 #if MENUBAR
1751 /*
1752 * Menubar window processing of button press
1753 */
1754 if (isMenuBarWindow(ev->window))
1755 rxvt_menubar_control(aR_ ev);
1756 #endif
1757 }
1758
1759 /* INTPROTO */
1760 void
1761 rxvt_button_release(pR_ XButtonEvent *ev)
1762 {
1763 int reportmode = 0;
1764
1765 R->csrO = 0; /* reset csr Offset */
1766 if (!R->bypass_keystate)
1767 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1768
1769 if (scrollbar_isUpDn()) {
1770 R->scrollBar.setIdle ();
1771 rxvt_scrollbar_show(aR_ 0);
1772 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1773 R->refresh_type &= ~SMOOTH_REFRESH;
1774 #endif
1775 }
1776 #ifdef SELECTION_SCROLLING
1777 R->pending_scroll_selection=0;
1778 #endif
1779 if (ev->window == R->TermWin.vt)
1780 {
1781 #ifdef RXVT_GRAPHICS
1782 if (ev->subwindow != None)
1783 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1784 else
1785 #endif
1786 {
1787 if (reportmode)
1788 {
1789 /* mouse report from vt window */
1790 /* don't report release of wheel "buttons" */
1791 if (ev->button >= 4)
1792 return;
1793 #ifdef MOUSE_REPORT_DOUBLECLICK
1794 /* only report the release of 'slow' single clicks */
1795 if (R->MEvent.button != AnyButton
1796 && (ev->button != R->MEvent.button
1797 || (ev->time - R->MEvent.time
1798 > MULTICLICK_TIME / 2)))
1799 {
1800 R->MEvent.clicks = 0;
1801 R->MEvent.button = AnyButton;
1802 rxvt_mouse_report(aR_ ev);
1803 }
1804 #else /* MOUSE_REPORT_DOUBLECLICK */
1805 R->MEvent.button = AnyButton;
1806 rxvt_mouse_report(aR_ ev);
1807 #endif /* MOUSE_REPORT_DOUBLECLICK */
1808 return;
1809 }
1810 /*
1811 * dumb hack to compensate for the failure of click-and-drag
1812 * when overriding mouse reporting
1813 */
1814 if (R->PrivateModes & PrivMode_mouse_report
1815 && R->bypass_keystate
1816 && ev->button == Button1 && R->MEvent.clicks <= 1)
1817 R->selection_extend (ev->x, ev->y, 0);
1818
1819 switch (ev->button) {
1820 case Button1:
1821 case Button3:
1822 rxvt_selection_make(aR_ ev->time);
1823 break;
1824 case Button2:
1825 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1826 break;
1827 #ifdef MOUSE_WHEEL
1828 case Button4:
1829 case Button5:
1830 {
1831 int i;
1832 page_dirn v;
1833
1834 v = (ev->button == Button4) ? UP : DN;
1835 if (ev->state & ShiftMask)
1836 i = 1;
1837 else if ((R->Options & Opt_mouseWheelScrollPage))
1838 i = R->TermWin.nrow - 1;
1839 else
1840 i = 5;
1841 # ifdef MOUSE_SLIP_WHEELING
1842 if (ev->state & ControlMask)
1843 {
1844 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1845 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1846 }
1847 # endif
1848 # ifdef JUMP_MOUSE_WHEEL
1849 rxvt_scr_page(aR_ v, i);
1850 R->scr_refresh (SMOOTH_REFRESH);
1851 rxvt_scrollbar_show(aR_ 1);
1852 # else
1853 while (i--)
1854 {
1855 rxvt_scr_page(aR_ v, 1);
1856 R->scr_refresh (SMOOTH_REFRESH);
1857 rxvt_scrollbar_show(aR_ 1);
1858 }
1859 # endif
1860 }
1861 break;
1862 #endif
1863 }
1864 }
1865 }
1866 #ifdef MENUBAR
1867 else if (isMenuBarWindow(ev->window))
1868 rxvt_menubar_control(aR_ ev);
1869 #endif
1870 }
1871
1872
1873 #ifdef TRANSPARENT
1874 /*
1875 * Check our parents are still who we think they are.
1876 * Do transparency updates if required
1877 */
1878 /* EXTPROTO */
1879 int
1880 rxvt_check_our_parents(pR)
1881 {
1882 int i, pchanged, aformat, have_pixmap, rootdepth;
1883 unsigned long nitems, bytes_after;
1884 Atom atype;
1885 unsigned char *prop = NULL;
1886 Window root, oldp, *list;
1887 Pixmap rootpixmap = None;
1888 XWindowAttributes wattr, wrootattr;
1889
1890 pchanged = 0;
1891
1892 if (!(R->Options & Opt_transparent))
1893 return pchanged; /* Don't try any more */
1894
1895 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1896 rootdepth = wrootattr.depth;
1897
1898 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1899 if (rootdepth != wattr.depth) {
1900 if (R->am_transparent) {
1901 pchanged = 1;
1902 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1903 R->PixColors[Color_bg]);
1904 R->am_transparent = R->am_pixmap_trans = 0;
1905 }
1906 return pchanged; /* Don't try any more */
1907 }
1908
1909 /* Get all X ops out of the queue so that our information is up-to-date. */
1910 XSync(R->Xdisplay, False);
1911
1912 /*
1913 * Make the frame window set by the window manager have
1914 * the root background. Some window managers put multiple nested frame
1915 * windows for each client, so we have to take care about that.
1916 */
1917 i = (R->xa[XA_XROOTPMAPID] != 0
1918 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1919 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1920 &nitems, &bytes_after, &prop) == Success));
1921 if (!i || prop == NULL)
1922 have_pixmap = 0;
1923 else {
1924 have_pixmap = 1;
1925 rootpixmap = *((Pixmap *)prop);
1926 XFree(prop);
1927 }
1928 if (have_pixmap) {
1929 /*
1930 * Copy Xroot pixmap transparency
1931 */
1932 int sx, sy, nx, ny;
1933 unsigned int nw, nh;
1934 Window cr;
1935 XImage *image;
1936 GC gc;
1937 XGCValues gcvalue;
1938
1939 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1940 0, 0, &sx, &sy, &cr);
1941 nw = (unsigned int)R->szHint.width;
1942 nh = (unsigned int)R->szHint.height;
1943 nx = ny = 0;
1944 if (sx < 0) {
1945 nw += sx;
1946 nx = -sx;
1947 sx = 0;
1948 }
1949 if (sy < 0) {
1950 nh += sy;
1951 ny = -sy;
1952 sy = 0;
1953 }
1954 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1955 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1956 R->allowedxerror = -1;
1957 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1958 ZPixmap);
1959 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1960 /* XXX: may need a delay here? */
1961 R->allowedxerror = 0;
1962 if (image == NULL) {
1963 if (R->am_transparent && R->am_pixmap_trans) {
1964 pchanged = 1;
1965 if (R->TermWin.pixmap != None) {
1966 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1967 R->TermWin.pixmap = None;
1968 }
1969 }
1970 R->am_pixmap_trans = 0;
1971 } else {
1972 if (R->TermWin.pixmap != None)
1973 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1974 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1975 (unsigned int)R->szHint.width,
1976 (unsigned int)R->szHint.height,
1977 (unsigned int)image->depth);
1978 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1979 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1980 nx, ny, (unsigned int)image->width,
1981 (unsigned int)image->height);
1982 XFreeGC(R->Xdisplay, gc);
1983 XDestroyImage(image);
1984 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
1985 R->TermWin.pixmap);
1986 if (!R->am_transparent || !R->am_pixmap_trans)
1987 pchanged = 1;
1988 R->am_transparent = R->am_pixmap_trans = 1;
1989 }
1990 }
1991 if (!R->am_pixmap_trans) {
1992 unsigned int n;
1993 /*
1994 * InheritPixmap transparency
1995 */
1996 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
1997 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
1998 i++) {
1999 oldp = R->TermWin.parent[i];
2000 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2001 &R->TermWin.parent[i], &list, &n);
2002 XFree(list);
2003 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2004 if (R->TermWin.parent[i] == Xroot) {
2005 if (oldp != None)
2006 pchanged = 1;
2007 break;
2008 }
2009 if (oldp != R->TermWin.parent[i])
2010 pchanged = 1;
2011 }
2012 n = 0;
2013 if (pchanged) {
2014 for (; n < (unsigned int)i; n++) {
2015 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2016 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2017 if (wattr.depth != rootdepth || wattr.c_class == InputOnly) {
2018 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2019 break;
2020 }
2021 }
2022 }
2023 if (n > (int)(sizeof(R->TermWin.parent)
2024 / sizeof(R->TermWin.parent[0]))) {
2025 D_X((stderr, "InheritPixmap Turning off"));
2026 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2027 R->PixColors[Color_fg]);
2028 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2029 R->PixColors[Color_bg]);
2030 R->am_transparent = 0;
2031 /* XXX: also turn off Opt_transparent? */
2032 } else {
2033 /* wait (an arbitrary period) for the WM to do its thing
2034 * needed for fvwm2.2.2 (and before?) */
2035 # ifdef HAVE_NANOSLEEP
2036 struct timespec rqt;
2037
2038 rqt.tv_sec = 1;
2039 rqt.tv_nsec = 0;
2040 nanosleep(&rqt, NULL);
2041 # else
2042 sleep(1);
2043 # endif
2044 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2045 for (n = 0; n < (unsigned int)i; n++)
2046 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2047 ParentRelative);
2048 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2049 ParentRelative);
2050 R->am_transparent = 1;
2051 }
2052 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2053 R->TermWin.parent[i] = None;
2054 }
2055 return pchanged;
2056 }
2057 #endif
2058
2059 /*}}} */
2060
2061 /*{{{ print pipe */
2062 /*----------------------------------------------------------------------*/
2063 #ifdef PRINTPIPE
2064 /* EXTPROTO */
2065 FILE *
2066 rxvt_popen_printer(pR)
2067 {
2068 FILE *stream = popen(R->rs[Rs_print_pipe], "w");
2069
2070 if (stream == NULL)
2071 rxvt_print_error("can't open printer pipe");
2072 return stream;
2073 }
2074
2075 /* EXTPROTO */
2076 int
2077 rxvt_pclose_printer (FILE *stream)
2078 {
2079 fflush (stream);
2080 /* pclose() reported not to work on SunOS 4.1.3 */
2081 # if defined (__sun__) /* TODO: RESOLVE THIS */
2082 /* pclose works provided SIGCHLD handler uses waitpid */
2083 return pclose (stream); /* return fclose (stream); */
2084 # else
2085 return pclose (stream);
2086 # endif
2087 }
2088
2089 /*
2090 * simulate attached vt100 printer
2091 */
2092 /* INTPROTO */
2093 void
2094 rxvt_process_print_pipe(pR)
2095 {
2096 int done;
2097 FILE *fd;
2098
2099 if ((fd = rxvt_popen_printer(aR)) == NULL)
2100 return;
2101
2102 /*
2103 * Send all input to the printer until either ESC[4i or ESC[?4i
2104 * is received.
2105 */
2106 for (done = 0; !done;) {
2107 unsigned char buf[8];
2108 unsigned char ch;
2109 unsigned int i, len;
2110
2111 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2112 if (putc(ch, fd) == EOF)
2113 break; /* done = 1 */
2114 } else {
2115 len = 0;
2116 buf[len++] = ch;
2117
2118 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2119 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2120 buf[len++] = '?';
2121 ch = rxvt_cmd_getc(aR);
2122 }
2123 if ((buf[len++] = ch) == '4') {
2124 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2125 break; /* done = 1 */
2126 }
2127 }
2128 for (i = 0; i < len; i++)
2129 if (putc(buf[i], fd) == EOF) {
2130 done = 1;
2131 break;
2132 }
2133 }
2134 }
2135 rxvt_pclose_printer(fd);
2136 }
2137 #endif /* PRINTPIPE */
2138 /*}}} */
2139
2140 /* *INDENT-OFF* */
2141 enum {
2142 C1_40 = 0x40,
2143 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2144 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2145 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2146 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2147 };
2148 /* *INDENT-ON* */
2149
2150 /*{{{ process non-printing single characters */
2151 /* INTPROTO */
2152 void
2153 rxvt_process_nonprinting(pR_ unsigned char ch)
2154 {
2155 switch (ch) {
2156 case C0_ENQ: /* terminal Status */
2157 if (R->rs[Rs_answerbackstring])
2158 R->tt_write(
2159 (const unsigned char *)R->rs[Rs_answerbackstring],
2160 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2161 else
2162 R->tt_write((unsigned char *)VT100_ANS,
2163 (unsigned int)STRLEN(VT100_ANS));
2164 break;
2165 case C0_BEL: /* bell */
2166 rxvt_scr_bell(aR);
2167 break;
2168 case C0_BS: /* backspace */
2169 rxvt_scr_backspace(aR);
2170 break;
2171 case C0_HT: /* tab */
2172 rxvt_scr_tab(aR_ 1);
2173 break;
2174 case C0_CR: /* carriage return */
2175 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2176 break;
2177 case C0_VT: /* vertical tab, form feed */
2178 case C0_FF:
2179 case C0_LF: /* line feed */
2180 rxvt_scr_index(aR_ UP);
2181 break;
2182 case C0_SO: /* shift out - acs */
2183 rxvt_scr_charset_choose(aR_ 1);
2184 break;
2185 case C0_SI: /* shift in - acs */
2186 rxvt_scr_charset_choose(aR_ 0);
2187 break;
2188 }
2189 }
2190 /*}}} */
2191
2192
2193 /*{{{ process VT52 escape sequences */
2194 /* INTPROTO */
2195 void
2196 rxvt_process_escape_vt52(pR_ unsigned char ch)
2197 {
2198 int row, col;
2199
2200 switch (ch) {
2201 case 'A': /* cursor up */
2202 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2203 break;
2204 case 'B': /* cursor down */
2205 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2206 break;
2207 case 'C': /* cursor right */
2208 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2209 break;
2210 case 'D': /* cursor left */
2211 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2212 break;
2213 case 'H': /* cursor home */
2214 rxvt_scr_gotorc(aR_ 0, 0, 0);
2215 break;
2216 case 'I': /* cursor up and scroll down if needed */
2217 rxvt_scr_index(aR_ DN);
2218 break;
2219 case 'J': /* erase to end of screen */
2220 R->scr_erase_screen (0);
2221 break;
2222 case 'K': /* erase to end of line */
2223 rxvt_scr_erase_line(aR_ 0);
2224 break;
2225 case 'Y': /* move to specified row and col */
2226 /* full command is 'ESC Y row col' where row and col
2227 * are encoded by adding 32 and sending the ascii
2228 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2229 * etc. */
2230 row = rxvt_cmd_getc(aR) - ' ';
2231 col = rxvt_cmd_getc(aR) - ' ';
2232 rxvt_scr_gotorc(aR_ row, col, 0);
2233 break;
2234 case 'Z': /* identify the terminal type */
2235 R->tt_printf("\033/Z"); /* I am a VT100 emulating a VT52 */
2236 break;
2237 case '<': /* turn off VT52 mode */
2238 PrivMode(0, PrivMode_vt52);
2239 break;
2240 case 'F': /* use special graphics character set */
2241 case 'G': /* use regular character set */
2242 /* unimplemented */
2243 break;
2244 case '=': /* use alternate keypad mode */
2245 case '>': /* use regular keypad mode */
2246 /* unimplemented */
2247 break;
2248 }
2249 }
2250 /*}}} */
2251
2252
2253 /*{{{ process escape sequences */
2254 /* INTPROTO */
2255 void
2256 rxvt_process_escape_seq(pR)
2257 {
2258 unsigned char ch = rxvt_cmd_getc(aR);
2259
2260 if (R->PrivateModes & PrivMode_vt52) {
2261 rxvt_process_escape_vt52(aR_ ch);
2262 return;
2263 }
2264
2265 switch (ch) {
2266 /* case 1: do_tek_mode (); break; */
2267 case '#':
2268 if (rxvt_cmd_getc(aR) == '8')
2269 rxvt_scr_E(aR);
2270 break;
2271 case '(':
2272 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2273 break;
2274 case ')':
2275 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2276 break;
2277 case '*':
2278 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2279 break;
2280 case '+':
2281 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2282 break;
2283 #ifdef MULTICHAR_SET
2284 case '$':
2285 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2286 break;
2287 #endif
2288 #ifndef NO_FRILLS
2289 case '6':
2290 rxvt_scr_backindex(aR);
2291 break;
2292 #endif
2293 case '7':
2294 rxvt_scr_cursor(aR_ SAVE);
2295 break;
2296 case '8':
2297 rxvt_scr_cursor(aR_ RESTORE);
2298 break;
2299 #ifndef NO_FRILLS
2300 case '9':
2301 rxvt_scr_forwardindex(aR);
2302 break;
2303 #endif
2304 case '=':
2305 case '>':
2306 PrivMode((ch == '='), PrivMode_aplKP);
2307 break;
2308
2309 case C1_40:
2310 rxvt_cmd_getc(aR);
2311 break;
2312 case C1_44:
2313 rxvt_scr_index(aR_ UP);
2314 break;
2315
2316 /* 8.3.87: NEXT LINE */
2317 case C1_NEL: /* ESC E */
2318 {
2319 uint32_t nlcr[] = { '\n', '\r' };
2320 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2321 }
2322 break;
2323
2324 /* kidnapped escape sequence: Should be 8.3.48 */
2325 case C1_ESA: /* ESC G */
2326 rxvt_process_graphics(aR);
2327 break;
2328
2329 /* 8.3.63: CHARACTER TABULATION SET */
2330 case C1_HTS: /* ESC H */
2331 rxvt_scr_set_tab(aR_ 1);
2332 break;
2333
2334 /* 8.3.105: REVERSE LINE FEED */
2335 case C1_RI: /* ESC M */
2336 rxvt_scr_index(aR_ DN);
2337 break;
2338
2339 /* 8.3.142: SINGLE-SHIFT TWO */
2340 /*case C1_SS2: scr_single_shift (2); break; */
2341
2342 /* 8.3.143: SINGLE-SHIFT THREE */
2343 /*case C1_SS3: scr_single_shift (3); break; */
2344
2345 /* 8.3.27: DEVICE CONTROL STRING */
2346 case C1_DCS: /* ESC P */
2347 rxvt_process_dcs_seq(aR);
2348 break;
2349
2350 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2351 case C1_SCI: /* ESC Z */
2352 R->tt_write((const unsigned char *)ESCZ_ANSWER,
2353 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2354 break; /* steal obsolete ESC [ c */
2355
2356 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2357 case C1_CSI: /* ESC [ */
2358 rxvt_process_csi_seq(aR);
2359 break;
2360
2361 /* 8.3.90: OPERATING SYSTEM COMMAND */
2362 case C1_OSC: /* ESC ] */
2363 rxvt_process_osc_seq(aR);
2364 break;
2365
2366 /* 8.3.106: RESET TO INITIAL STATE */
2367 case 'c':
2368 rxvt_scr_poweron(aR);
2369 rxvt_scrollbar_show(aR_ 1);
2370 break;
2371
2372 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2373 case 'n':
2374 rxvt_scr_charset_choose(aR_ 2);
2375 break;
2376
2377 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2378 case 'o':
2379 rxvt_scr_charset_choose(aR_ 3);
2380 break;
2381 }
2382 }
2383 /*}}} */
2384
2385 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2386 /* *INDENT-OFF* */
2387 enum {
2388 CSI_ICH = 0x40,
2389 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2390 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2391 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2392 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2393 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2394 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2395 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2396 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2397 };
2398
2399 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2400 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2401 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2402 #define get_byte_array_bit(array, bit) \
2403 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2404
2405 const unsigned char csi_defaults[] = {
2406 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2407 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2408 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2409 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2410 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2411 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2412 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2413 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2414 };
2415 /* *INDENT-ON* */
2416
2417 /* INTPROTO */
2418 void
2419 rxvt_process_csi_seq(pR)
2420 {
2421 unsigned char ch, priv, i;
2422 unsigned int nargs, p;
2423 int n, ndef;
2424 int arg[ESC_ARGS];
2425
2426 for (nargs = ESC_ARGS; nargs > 0;)
2427 arg[--nargs] = 0;
2428
2429 priv = 0;
2430 ch = rxvt_cmd_getc(aR);
2431 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2432 priv = ch;
2433 ch = rxvt_cmd_getc(aR);
2434 }
2435 /* read any numerical arguments */
2436 for (n = -1; ch < CSI_ICH; ) {
2437 if (isdigit(ch)) {
2438 if (n < 0)
2439 n = ch - '0';
2440 else
2441 n = n * 10 + ch - '0';
2442 } else if (ch == ';') {
2443 if (nargs < ESC_ARGS)
2444 arg[nargs++] = n;
2445 n = -1;
2446 } else if (ch == '\b') {
2447 rxvt_scr_backspace(aR);
2448 } else if (ch == C0_ESC) {
2449 rxvt_process_escape_seq(aR);
2450 return;
2451 } else if (ch < ' ') {
2452 rxvt_process_nonprinting(aR_ ch);
2453 }
2454 ch = rxvt_cmd_getc(aR);
2455 }
2456
2457 if (ch > CSI_7F)
2458 return;
2459
2460 if (nargs < ESC_ARGS)
2461 arg[nargs++] = n;
2462
2463 i = ch - CSI_ICH;
2464 ndef = get_byte_array_bit(csi_defaults, i);
2465 for (p = 0; p < nargs; p++)
2466 if (arg[p] == -1)
2467 arg[p] = ndef;
2468
2469 #ifdef DEBUG_CMD
2470 fprintf(stderr, "CSI ");
2471 for (p = 0; p < nargs; p++)
2472 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2473 fprintf(stderr, "%c\n", ch);
2474 #endif
2475
2476 /*
2477 * private mode handling
2478 */
2479 if (priv) {
2480 switch (priv) {
2481 case '>':
2482 if (ch == CSI_DA) /* secondary device attributes */
2483 R->tt_printf("\033[>%d;%-.8s;0c", 'R', VSTRING);
2484 break;
2485 case '?':
2486 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2487 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2488 break;
2489 }
2490 return;
2491 }
2492
2493 switch (ch) {
2494 /*
2495 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2496 */
2497 #ifdef PRINTPIPE
2498 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2499 switch (arg[0]) {
2500 case 0: /* initiate transfer to primary aux device */
2501 rxvt_scr_printscreen(aR_ 0);
2502 break;
2503 case 5: /* start relay to primary aux device */
2504 rxvt_process_print_pipe(aR);
2505 break;
2506 }
2507 break;
2508 #endif
2509
2510 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2511 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2512 arg[0] = -arg[0];
2513 /* FALLTHROUGH */
2514 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2515 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2516 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2517 break;
2518
2519 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2520 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2521 #ifdef ISO6429
2522 arg[0] = -arg[0];
2523 #else /* emulate common DEC VTs */
2524 arg[0] = arg[0] ? -arg[0] : -1;
2525 #endif
2526 /* FALLTHROUGH */
2527 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2528 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2529 #ifdef ISO6429
2530 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2531 #else /* emulate common DEC VTs */
2532 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2533 #endif
2534 break;
2535
2536 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2537 arg[0] = -arg[0];
2538 /* FALLTHROUGH */
2539 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2540 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2541 break;
2542
2543 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2544 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2545 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2546 break;
2547
2548 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2549 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2550 break;
2551
2552 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2553 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2554 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2555 break;
2556
2557 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2558 arg[0] = -arg[0];
2559 /* FALLTHROUGH */
2560 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2561 rxvt_scr_tab(aR_ arg[0]);
2562 break;
2563
2564 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2565 R->scr_erase_screen (arg[0]);
2566 break;
2567
2568 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2569 rxvt_scr_erase_line(aR_ arg[0]);
2570 break;
2571
2572 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2573 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2574 break;
2575
2576 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2577 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2578 break;
2579
2580 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2581 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2582 break;
2583
2584 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2585 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2586 break;
2587
2588 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2589 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2590 break;
2591
2592 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2593 arg[0] = -arg[0];
2594 /* FALLTHROUGH */
2595 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2596 R->scr_scroll_text (R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2597 break;
2598
2599 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2600 R->tt_write((const unsigned char *)VT100_ANS,
2601 (unsigned int)(sizeof(VT100_ANS) - 1));
2602 break;
2603
2604 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2605 rxvt_process_sgr_mode(aR_ nargs, arg);
2606 break;
2607
2608 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2609 switch (arg[0]) {
2610 case 5: /* DSR requested */
2611 R->tt_printf("\033[0n");
2612 break;
2613 case 6: /* CPR requested */
2614 rxvt_scr_report_position(aR);
2615 break;
2616 #if defined (ENABLE_DISPLAY_ANSWER)
2617 case 7: /* unofficial extension */
2618 R->tt_printf("%-.250s\n", R->rs[Rs_display_name]);
2619 break;
2620 #endif
2621 case 8: /* unofficial extension */
2622 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2623 break;
2624 }
2625 break;
2626
2627 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2628 switch (arg[0]) {
2629 case 0: /* char tab stop cleared at active position */
2630 rxvt_scr_set_tab(aR_ 0);
2631 break;
2632 /* case 1: */ /* line tab stop cleared in active line */
2633 /* case 2: */ /* char tab stops cleared in active line */
2634 case 3: /* all char tab stops are cleared */
2635 /* case 4: */ /* all line tab stops are cleared */
2636 case 5: /* all tab stops are cleared */
2637 rxvt_scr_set_tab(aR_ -1);
2638 break;
2639 }
2640 break;
2641
2642 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2643 switch (arg[0]) {
2644 case 0: /* char tab stop set at active position */
2645 rxvt_scr_set_tab(aR_ 1);
2646 break; /* = ESC H */
2647 /* case 1: */ /* line tab stop set at active line */
2648 case 2: /* char tab stop cleared at active position */
2649 rxvt_scr_set_tab(aR_ 0);
2650 break; /* = ESC [ 0 g */
2651 /* case 3: */ /* line tab stop cleared at active line */
2652 /* case 4: */ /* char tab stops cleared at active line */
2653 case 5: /* all char tab stops are cleared */
2654 rxvt_scr_set_tab(aR_ -1);
2655 break; /* = ESC [ 3 g */
2656 /* case 6: */ /* all line tab stops are cleared */
2657 }
2658 break;
2659
2660 case CSI_RM: /* 8.3.107: RESET MODE */
2661 if (arg[0] == 4)
2662 rxvt_scr_insert_mode(aR_ 0);
2663 break;
2664
2665 case CSI_SM: /* 8.3.126: SET MODE */
2666 if (arg[0] == 4)
2667 rxvt_scr_insert_mode(aR_ 1);
2668 break;
2669
2670 /*
2671 * PRIVATE USE beyond this point. All CSI_7? sequences here
2672 */
2673 case CSI_72: /* DECSTBM: set top and bottom margins */
2674 if (nargs == 1)
2675 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2676 else if (nargs == 0 || arg[0] >= arg[1])
2677 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2678 else
2679 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2680 break;
2681
2682 case CSI_73:
2683 rxvt_scr_cursor(aR_ SAVE);
2684 break;
2685 case CSI_75:
2686 rxvt_scr_cursor(aR_ RESTORE);
2687 break;
2688
2689 #ifndef NO_FRILLS
2690 case CSI_74:
2691 rxvt_process_window_ops(aR_ arg, nargs);
2692 break;
2693 #endif
2694
2695 case CSI_78: /* DECREQTPARM */
2696 if (arg[0] == 0 || arg[0] == 1)
2697 R->tt_printf("\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2698 /* FALLTHROUGH */
2699
2700 default:
2701 break;
2702 }
2703 }
2704 /*}}} */
2705
2706 #ifndef NO_FRILLS
2707 /* ARGSUSED */
2708 /* INTPROTO */
2709 void
2710 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2711 {
2712 int x, y;
2713 #if 0
2714 char *s;
2715 #endif
2716 XWindowAttributes wattr;
2717 Window wdummy;
2718
2719 if (nargs == 0)
2720 return;
2721 switch (args[0]) {
2722 /*
2723 * commands
2724 */
2725 case 1: /* deiconify window */
2726 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2727 break;
2728 case 2: /* iconify window */
2729 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2730 DefaultScreen(R->Xdisplay));
2731 break;
2732 case 3: /* set position (pixels) */
2733 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2734 break;
2735 case 4: /* set size (pixels) */
2736 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2737 break;
2738 case 5: /* raise window */
2739 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2740 break;
2741 case 6: /* lower window */
2742 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2743 break;
2744 case 7: /* refresh window */
2745 R->scr_touch (true);
2746 break;
2747 case 8: /* set size (chars) */
2748 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2749 (unsigned int)(args[1] * R->TermWin.fheight));
2750 break;
2751 default:
2752 if (args[0] >= 24) /* set height (chars) */
2753 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2754 (unsigned int)(args[1] * R->TermWin.fheight));
2755 break;
2756 /*
2757 * reports - some output format copied from XTerm
2758 */
2759 case 11: /* report window state */
2760 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2761 R->tt_printf("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2762 break;
2763 case 13: /* report window position */
2764 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2765 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2766 -wattr.border_width, -wattr.border_width,
2767 &x, &y, &wdummy);
2768 R->tt_printf("\033[3;%d;%dt", x, y);
2769 break;
2770 case 14: /* report window size (pixels) */
2771 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2772 R->tt_printf("\033[4;%d;%dt", wattr.height, wattr.width);
2773 break;
2774 case 18: /* report window size (chars) */
2775 R->tt_printf("\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2776 break;
2777 #if 0 /* XXX: currently disabled due to security concerns */
2778 case 20: /* report icon label */
2779 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2780 R->tt_printf("\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2781 break;
2782 case 21: /* report window title */
2783 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2784 R->tt_printf("\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2785 break;
2786 #endif
2787 }
2788 }
2789 #endif
2790
2791 /*----------------------------------------------------------------------*/
2792 /*
2793 * get input up until STRING TERMINATOR (or BEL)
2794 * ends_how is terminator used. returned input must be free()d
2795 */
2796 /* INTPROTO */
2797 unsigned char *
2798 rxvt_get_to_st(pR_ unsigned char *ends_how)
2799 {
2800 int seen_esc = 0; /* seen escape? */
2801 unsigned int n = 0;
2802 unsigned char *s;
2803 unsigned char ch, string[STRING_MAX];
2804
2805 for (; (ch = rxvt_cmd_getc(aR));) {
2806 if (ch == C0_BEL
2807 || ch == CHAR_ST
2808 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2809 break;
2810 if (ch == C0_ESC) {
2811 seen_esc = 1;
2812 continue;
2813 } else if (ch == '\t')
2814 ch = ' '; /* translate '\t' to space */
2815 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2816 return NULL; /* other control character - exit */
2817 if (n < sizeof(string) - 1)
2818 string[n++] = ch;
2819 seen_esc = 0;
2820 }
2821 string[n++] = '\0';
2822 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2823 return NULL;
2824 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2825 STRNCPY(s, string, n);
2826 return s;
2827 }
2828
2829 /*----------------------------------------------------------------------*/
2830 /*
2831 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2832 */
2833 /* INTPROTO */
2834 void
2835 rxvt_process_dcs_seq(pR)
2836 {
2837 unsigned char eh, *s;
2838 /*
2839 * Not handled yet
2840 */
2841 s = rxvt_get_to_st(aR_ &eh);
2842 if (s)
2843 free(s);
2844 return;
2845 }
2846
2847 /*----------------------------------------------------------------------*/
2848 /*
2849 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2850 */
2851 /* INTPROTO */
2852 void
2853 rxvt_process_osc_seq(pR)
2854 {
2855 unsigned char ch, eh, *s;
2856 int arg;
2857
2858 ch = rxvt_cmd_getc(aR);
2859 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2860 arg = arg * 10 + (ch - '0');
2861
2862 if (ch == ';') {
2863 s = rxvt_get_to_st(aR_ &eh);
2864 if (s) {
2865 /*
2866 * rxvt_menubar_dispatch() violates the constness of the string,
2867 * so do it here
2868 */
2869 if (arg == XTerm_Menu)
2870 #if 0 /* XXX: currently disabled due to security concerns */
2871 rxvt_menubar_dispatch(aR_ (char *)s);
2872 #else
2873 0;
2874 #endif
2875 else
2876 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2877 free(s);
2878 }
2879 }
2880 }
2881 /*
2882 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2883 * 0 = change iconName/title
2884 * 1 = change iconName
2885 * 2 = change title
2886 * 4 = change color
2887 * 12 = change text color
2888 * 13 = change mouse foreground color
2889 * 17 = change highlight character colour
2890 * 18 = change bold character color
2891 * 19 = change underlined character color
2892 * 46 = change logfile (not implemented)
2893 * 50 = change font
2894 *
2895 * rxvt extensions:
2896 * 10 = menu (may change in future)
2897 * 20 = bg pixmap
2898 * 39 = change default fg color
2899 * 49 = change default bg color
2900 * 55 = dump scrollback buffer and all of screen
2901 */
2902 /* EXTPROTO */
2903 void
2904 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2905 {
2906 int changed = 0;
2907 int color;
2908 char *buf, *name;
2909
2910 assert(str != NULL);
2911 switch (op) {
2912 case XTerm_name:
2913 rxvt_set_title(aR_ str);
2914 /* FALLTHROUGH */
2915 case XTerm_iconName:
2916 rxvt_set_iconName(aR_ str);
2917 break;
2918 case XTerm_title:
2919 rxvt_set_title(aR_ str);
2920 break;
2921 case XTerm_Color:
2922 for (buf = (char *)str; buf && *buf;) {
2923 if ((name = STRCHR(buf, ';')) == NULL)
2924 break;
2925 *name++ = '\0';
2926 color = atoi(buf);
2927 if (color < 0 || color >= TOTAL_COLORS)
2928 break;
2929 if ((buf = STRCHR(name, ';')) != NULL)
2930 *buf++ = '\0';
2931 rxvt_set_window_color(aR_ color + minCOLOR, name);
2932 }
2933 break;
2934 #ifndef NO_CURSORCOLOR
2935 case XTerm_Color_cursor:
2936 rxvt_set_window_color(aR_ Color_cursor, str);
2937 break;
2938 #endif
2939 case XTerm_Color_pointer:
2940 rxvt_set_window_color(aR_ Color_pointer, str);
2941 break;
2942 #ifndef NO_BOLD_UNDERLINE_REVERSE
2943 case XTerm_Color_BD:
2944 rxvt_set_window_color(aR_ Color_BD, str);
2945 break;
2946 case XTerm_Color_UL:
2947 rxvt_set_window_color(aR_ Color_UL, str);
2948 break;
2949 case XTerm_Color_RV:
2950 rxvt_set_window_color(aR_ Color_RV, str);
2951 break;
2952 #endif
2953
2954 case XTerm_Menu:
2955 /*
2956 * rxvt_menubar_dispatch() violates the constness of the string,
2957 * so DON'T do it here
2958 */
2959 break;
2960 case XTerm_Pixmap:
2961 if (*str != ';') {
2962 #if XPM_BACKGROUND
2963 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2964 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2965 #endif
2966 R->scr_touch (true);
2967 }
2968 while ((str = STRCHR(str, ';')) != NULL) {
2969 str++;
2970 #if XPM_BACKGROUND
2971 changed += rxvt_scale_pixmap(aR_ str);
2972 #endif
2973 }
2974 if (changed) {
2975 #ifdef XPM_BACKGROUND
2976 rxvt_resize_pixmap(aR);
2977 #endif
2978 R->scr_touch (true);
2979 }
2980 break;
2981
2982 case XTerm_restoreFG:
2983 rxvt_set_window_color(aR_ Color_fg, str);
2984 break;
2985 case XTerm_restoreBG:
2986 rxvt_set_window_color(aR_ Color_bg, str);
2987 break;
2988 case XTerm_logfile:
2989 break;
2990 case XTerm_font:
2991 rxvt_change_font(aR_ 0, str);
2992 break;
2993 #if 0
2994 case XTerm_dumpscreen: /* no error notices */
2995 {
2996 int fd;
2997 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
2998 rxvt_scr_dump(aR_ fd);
2999 close(fd);
3000 }
3001 }
3002 break;
3003 #endif
3004 }
3005 }
3006 /*----------------------------------------------------------------------*/
3007
3008 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
3009 /*
3010 * mode can only have the following values:
3011 * 'l' = low
3012 * 'h' = high
3013 * 's' = save
3014 * 'r' = restore
3015 * 't' = toggle
3016 * so no need for fancy checking
3017 */
3018 /* INTPROTO */
3019 int
3020 rxvt_privcases(pR_ int mode, unsigned long bit)
3021 {
3022 int state;
3023
3024 if (mode == 's') {
3025 R->SavedModes |= (R->PrivateModes & bit);
3026 return -1;
3027 } else {
3028 if (mode == 'r')
3029 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */
3030 else
3031 state = (mode == 't') ? !(R->PrivateModes & bit) : mode;
3032 PrivMode(state, bit);
3033 }
3034 return state;
3035 }
3036
3037 /* we're not using priv _yet_ */
3038 /* INTPROTO */
3039 void
3040 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3041 {
3042 unsigned int i, j;
3043 int state;
3044 static const struct {
3045 const int argval;
3046 const unsigned long bit;
3047 } argtopriv[] = {
3048 { 1, PrivMode_aplCUR },
3049 { 2, PrivMode_vt52 },
3050 { 3, PrivMode_132 },
3051 { 4, PrivMode_smoothScroll },
3052 { 5, PrivMode_rVideo },
3053 { 6, PrivMode_relOrigin },
3054 { 7, PrivMode_Autowrap },
3055 { 9, PrivMode_MouseX10 },
3056 #ifdef menuBar_esc
3057 { menuBar_esc, PrivMode_menuBar },
3058 #endif
3059 #ifdef scrollBar_esc
3060 { scrollBar_esc, PrivMode_scrollBar },
3061 #endif
3062 { 25, PrivMode_VisibleCursor },
3063 { 35, PrivMode_ShiftKeys },
3064 { 40, PrivMode_132OK },
3065 { 47, PrivMode_Screen },
3066 { 66, PrivMode_aplKP },
3067 #ifndef NO_BACKSPACE_KEY
3068 { 67, PrivMode_BackSpace },
3069 #endif
3070 { 1000, PrivMode_MouseX11 },
3071 { 1010, PrivMode_TtyOutputInh },
3072 { 1011, PrivMode_Keypress },
3073 { 1047, PrivMode_Screen },
3074 };
3075
3076 if (nargs == 0)
3077 return;
3078
3079 /* make lo/hi boolean */
3080 if (mode == 'l')
3081 mode = 0; /* reset */
3082 else if (mode == 'h')
3083 mode = 1; /* set */
3084
3085 for (i = 0; i < nargs; i++) {
3086 state = -1;
3087
3088 /* basic handling */
3089 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3090 if (argtopriv[j].argval == arg[i]) {
3091 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3092 break;
3093 }
3094
3095 /* extra handling for values with state unkept */
3096 if (state == -1)
3097 switch (arg[i]) {
3098 case 1048: /* alternative cursor save */
3099 if (mode == 0)
3100 rxvt_scr_cursor(aR_ RESTORE);
3101 else if (mode == 1)
3102 rxvt_scr_cursor(aR_ SAVE);
3103 /* FALLTHROUGH */
3104 default:
3105 continue; /* for(;i;) */
3106 }
3107
3108 /* extra handling for values with valid 0 or 1 state */
3109 switch (arg[i]) {
3110 /* case 1: - application cursor keys */
3111 case 2: /* VT52 mode */
3112 /* oddball mode. should be set regardless of set/reset
3113 * parameter. Return from VT52 mode with an ESC < from
3114 * within VT52 mode
3115 */
3116 PrivMode(1, PrivMode_vt52);
3117 break;
3118 case 3: /* 80/132 */
3119 if (R->PrivateModes & PrivMode_132OK)
3120 rxvt_set_widthheight(aR_
3121 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3122 (unsigned int)R->TermWin.height);
3123 break;
3124 case 4: /* smooth scrolling */
3125 if (state)
3126 R->Options &= ~Opt_jumpScroll;
3127 else
3128 R->Options |= Opt_jumpScroll;
3129 break;
3130 case 5: /* reverse video */
3131 rxvt_scr_rvideo_mode(aR_ state);
3132 break;
3133 case 6: /* relative/absolute origins */
3134 rxvt_scr_relative_origin(aR_ state);
3135 break;
3136 case 7: /* autowrap */
3137 rxvt_scr_autowrap(aR_ state);
3138 break;
3139 /* case 8: - auto repeat, can't do on a per window basis */
3140 case 9: /* X10 mouse reporting */
3141 if (state) /* orthogonal */
3142 R->PrivateModes &= ~(PrivMode_MouseX11);
3143 break;
3144 #ifdef menuBar_esc
3145 case menuBar_esc:
3146 #ifdef MENUBAR
3147 rxvt_map_menuBar(aR_ state);
3148 #endif
3149 break;
3150 #endif
3151 #ifdef scrollBar_esc
3152 case scrollBar_esc:
3153 if (rxvt_scrollbar_mapping(aR_ state)) {
3154 R->resize_all_windows (0, 0, 0);
3155 R->scr_touch (true);
3156 }
3157 break;
3158 #endif
3159 case 25: /* visible/invisible cursor */
3160 rxvt_scr_cursor_visible(aR_ state);
3161 break;
3162 /* case 35: - shift keys */
3163 /* case 40: - 80 <--> 132 mode */
3164 case 47: /* secondary screen */
3165 rxvt_scr_change_screen(aR_ state);
3166 break;
3167 /* case 66: - application key pad */
3168 /* case 67: - backspace key */
3169 case 1000: /* X11 mouse reporting */
3170 if (state) /* orthogonal */
3171 R->PrivateModes &= ~(PrivMode_MouseX10);
3172 break;
3173 #if 0
3174 case 1001:
3175 break; /* X11 mouse highlighting */
3176 #endif
3177 case 1010: /* scroll to bottom on TTY output inhibit */
3178 if (state)
3179 R->Options &= ~Opt_scrollTtyOutput;
3180 else
3181 R->Options |= Opt_scrollTtyOutput;
3182 break;
3183 case 1011: /* scroll to bottom on key press */
3184 if (state)
3185 R->Options |= Opt_scrollTtyKeypress;
3186 else
3187 R->Options &= ~Opt_scrollTtyKeypress;
3188 break;
3189 case 1047: /* secondary screen w/ clearing */
3190 if (R->current_screen != PRIMARY)
3191 R->scr_erase_screen (2);
3192 rxvt_scr_change_screen(aR_ state);
3193 /* FALLTHROUGH */
3194 default:
3195 break;
3196 }
3197 }
3198 }
3199 /*}}} */
3200
3201 /*{{{ process sgr sequences */
3202 /* INTPROTO */
3203 void
3204 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3205 {
3206 unsigned int i;
3207 short rendset;
3208 int rendstyle;
3209
3210 if (nargs == 0) {
3211 rxvt_scr_rendition(aR_ 0, ~RS_None);
3212 return;
3213 }
3214 for (i = 0; i < nargs; i++) {
3215 rendset = -1;
3216 switch (arg[i]) {
3217 case 0:
3218 rendset = 0, rendstyle = ~RS_None;
3219 break;
3220 case 1:
3221 rendset = 1, rendstyle = RS_Bold;
3222 break;
3223 case 4:
3224 rendset = 1, rendstyle = RS_Uline;
3225 break;
3226 case 5:
3227 rendset = 1, rendstyle = RS_Blink;
3228 break;
3229 case 7:
3230 rendset = 1, rendstyle = RS_RVid;
3231 break;
3232 case 22:
3233 rendset = 0, rendstyle = RS_Bold;
3234 break;
3235 case 24:
3236 rendset = 0, rendstyle = RS_Uline;
3237 break;
3238 case 25:
3239 rendset = 0, rendstyle = RS_Blink;
3240 break;
3241 case 27:
3242 rendset = 0, rendstyle = RS_RVid;
3243 break;
3244 }
3245 if (rendset != -1) {
3246 rxvt_scr_rendition(aR_ rendset, rendstyle);
3247 continue; /* for(;i;) */
3248 }
3249
3250 switch (arg[i]) {
3251 case 30:
3252 case 31: /* set fg color */
3253 case 32:
3254 case 33:
3255 case 34:
3256 case 35:
3257 case 36:
3258 case 37:
3259 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3260 Color_fg);
3261 break;
3262 #ifdef TTY_256COLOR
3263 case 38:
3264 if (nargs > i + 2 && arg[i + 1] == 5) {
3265 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3266 Color_fg);
3267 i += 2;
3268 }
3269 break;
3270 #endif
3271 case 39: /* default fg */
3272 rxvt_scr_color(aR_ Color_fg, Color_fg);
3273 break;
3274
3275 case 40:
3276 case 41: /* set bg color */
3277 case 42:
3278 case 43:
3279 case 44:
3280 case 45:
3281 case 46:
3282 case 47:
3283 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3284 Color_bg);
3285 break;
3286 #ifdef TTY_256COLOR
3287 case 48:
3288 if (nargs > i + 2 && arg[i + 1] == 5) {
3289 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3290 Color_bg);
3291 i += 2;
3292 }
3293 break;
3294 #endif
3295 case 49: /* default bg */
3296 rxvt_scr_color(aR_ Color_bg, Color_bg);
3297 break;
3298
3299 #ifndef NO_BRIGHTCOLOR
3300 case 90:
3301 case 91: /* set bright fg color */
3302 case 92:
3303 case 93:
3304 case 94:
3305 case 95:
3306 case 96:
3307 case 97:
3308 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3309 Color_fg);
3310 break;
3311 case 100:
3312 case 101: /* set bright bg color */
3313 case 102:
3314 case 103:
3315 case 104:
3316 case 105:
3317 case 106:
3318 case 107:
3319 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3320 Color_bg);
3321 break;
3322 #endif
3323 }
3324 }
3325 }
3326 /*}}} */
3327
3328 /*{{{ process Rob Nation's own graphics mode sequences */
3329 /* INTPROTO */
3330 void
3331 rxvt_process_graphics(pR)
3332 {
3333 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3334
3335 #ifndef RXVT_GRAPHICS
3336 if (cmd == 'Q') { /* query graphics */
3337 R->tt_printf("\033G0\n"); /* no graphics */
3338 return;
3339 }
3340 /* swallow other graphics sequences until terminating ':' */
3341 do
3342 ch = rxvt_cmd_getc(aR);
3343 while (ch != ':');
3344 #else
3345 unsigned int nargs;
3346 int args[NGRX_PTS];
3347 unsigned char *text = NULL;
3348
3349 if (cmd == 'Q') { /* query graphics */
3350 R->tt_printf("\033G1\n"); /* yes, graphics (color) */
3351 return;
3352 }
3353 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3354 int neg;
3355
3356 ch = rxvt_cmd_getc(aR);
3357 neg = (ch == '-');
3358 if (neg || ch == '+')
3359 ch = rxvt_cmd_getc(aR);
3360
3361 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3362 args[nargs] = args[nargs] * 10 + (ch - '0');
3363 if (neg)
3364 args[nargs] = -args[nargs];
3365
3366 nargs++;
3367 args[nargs] = 0;
3368 if (ch != ';')
3369 break;
3370 }
3371
3372 if ((cmd == 'T') && (nargs >= 5)) {
3373 int i, len = args[4];
3374
3375 text = (unsigned char *)rxvt_malloc((len + 1) * sizeof(char));
3376
3377 if (text != NULL) {
3378 for (i = 0; i < len; i++)
3379 text[i] = rxvt_cmd_getc(aR);
3380 text[len] = '\0';
3381 }
3382 }
3383 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3384 #endif
3385 }
3386 /*}}} */
3387
3388 /* ------------------------------------------------------------------------- */
3389
3390 /*
3391 * Send printf() formatted output to the command.
3392 * Only use for small amounts of data.
3393 */
3394 void
3395 rxvt_term::tt_printf (const char *fmt,...)
3396 {
3397 va_list arg_ptr;
3398 unsigned char buf[256];
3399
3400 va_start (arg_ptr, fmt);
3401 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3402 va_end (arg_ptr);
3403 tt_write (buf, STRLEN (buf));
3404 }
3405
3406 /* ---------------------------------------------------------------------- */
3407 /* Write data to the pty as typed by the user, pasted with the mouse,
3408 * or generated by us in response to a query ESC sequence.
3409 */
3410 void
3411 rxvt_term::tt_write (const unsigned char *data, unsigned int len)
3412 {
3413 enum { MAX_PTY_WRITE = 255 }; // minimum MAX_INPUT
3414
3415 if (len)
3416 {
3417 if (v_buflen == 0)
3418 {
3419 int written = write (cmd_fd, data, min (MAX_PTY_WRITE, len));
3420 if (written == len)
3421 return;
3422
3423 data += written;
3424 len -= written;
3425 }
3426
3427
3428 v_buffer = (unsigned char *)realloc (v_buffer, v_buflen + len);
3429
3430 memcpy (v_buffer + v_buflen, data, len);
3431 v_buflen += len;
3432 }
3433
3434 for (;;)
3435 {
3436 int written = write (cmd_fd, v_buffer, min (MAX_PTY_WRITE, v_buflen));
3437
3438 if (written > 0)
3439 {
3440 v_buflen -= written;
3441
3442 if (v_buflen == 0)
3443 {
3444 free (v_buffer);
3445 v_buffer = 0;
3446 v_buflen = 0;
3447
3448 pty_ev.set (EVENT_READ);
3449 return;
3450 }
3451
3452 memmove (v_buffer, v_buffer + written, v_buflen);
3453 }
3454 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3455 // original code just ignores this...
3456 destroy ();
3457 else
3458 {
3459 pty_ev.set (EVENT_READ | EVENT_WRITE);
3460 return;
3461 }
3462 }
3463 }
3464
3465 /*----------------------- end-of-file (C source) -----------------------*/
3466