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Revision: 1.28
Committed: Fri Jan 16 22:11:09 2004 UTC (20 years, 3 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.27: +3 -4 lines
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File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.27 2003/12/30 01:35:58 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[KBUFSZ];
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 #ifdef CURSOR_BLINK
758 void
759 rxvt_term::blink_cb (time_watcher &w)
760 {
761 hidden_cursor = !hidden_cursor;
762 want_refresh = 1;
763
764 w.start (w.at + BLINK_INTERVAL);
765 }
766 #endif
767
768 void
769 rxvt_term::x_cb (io_watcher &w, short revents)
770 {
771 SET_R (this);
772 SET_LOCALE (locale);
773
774 process_x_events ();
775 }
776
777 bool
778 rxvt_term::pty_fill ()
779 {
780 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
781
782 memmove (cmdbuf_base, cmdbuf_ptr, n);
783 cmdbuf_ptr = cmdbuf_base;
784 cmdbuf_endp = cmdbuf_ptr + n;
785
786 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n);
787
788 if (n > 0)
789 {
790 cmdbuf_endp += n;
791 return true;
792 }
793 else if (n < 0 && errno != EAGAIN)
794 destroy ();
795
796 return false;
797 }
798
799 void
800 rxvt_term::pty_cb (io_watcher &w, short revents)
801 {
802 SET_R (this);
803 SET_LOCALE (locale);
804
805 if (revents & EVENT_WRITE)
806 tt_write (0, 0);
807 else if (revents & EVENT_READ)
808 {
809 bool flag = true;
810
811 // loop, but don't allow a single term to monopolize us
812 // the number of loops is fully arbitrary, and thus wrong
813 while (flag && pty_fill ())
814 {
815 if (!seen_input)
816 {
817 seen_input = 1;
818 /* once we know the shell is running, send the screen size. Again! */
819 tt_winch ();
820 }
821
822 uint32_t ch = NOCHAR;
823
824 for (;;)
825 {
826 if (ch == NOCHAR)
827 ch = next_char ();
828
829 if (ch == NOCHAR) // TODO: improve
830 break;
831
832 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
833 {
834 /* Read a text string from the input buffer */
835 uint32_t buf[BUFSIZ];
836 bool refreshnow = false;
837 int nlines = 0;
838 uint32_t *str = buf;
839
840 *str++ = ch;
841
842 for (;;)
843 {
844 ch = next_char ();
845
846 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
847 break;
848 else
849 {
850 *str++ = ch;
851
852 if (ch == '\n')
853 {
854 nlines++;
855 refresh_count++;
856
857 if (!(Options & Opt_jumpScroll)
858 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
859 {
860 refreshnow = true;
861 flag = false;
862 ch = NOCHAR;
863 break;
864 }
865 }
866
867 if (str >= buf + BUFSIZ)
868 {
869 ch = NOCHAR;
870 break;
871 }
872 }
873 }
874
875 rxvt_scr_add_lines (this, buf, nlines, str - buf);
876
877 /*
878 * If there have been a lot of new lines, then update the screen
879 * What the heck I'll cheat and only refresh less than every page-full.
880 * the number of pages between refreshes is refresh_limit, which
881 * is incremented here because we must be doing flat-out scrolling.
882 *
883 * refreshing should be correct for small scrolls, because of the
884 * time-out
885 */
886 if (refreshnow)
887 {
888 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
889 refresh_limit++;
890
891 scr_refresh (refresh_type);
892 }
893
894 }
895 else
896 {
897 switch (ch)
898 {
899 default:
900 rxvt_process_nonprinting (this, ch);
901 break;
902 case C0_ESC: /* escape char */
903 rxvt_process_escape_seq (this);
904 break;
905 /*case 0x9b: */ /* CSI */
906 /* rxvt_process_csi_seq (this); */
907 }
908
909 ch = NOCHAR;
910 }
911 }
912 }
913 }
914 }
915
916 // read the next character, currently handles UTF-8
917 // will probably handle all sorts of other stuff in the future
918 uint32_t
919 rxvt_term::next_char ()
920 {
921 while (cmdbuf_ptr < cmdbuf_endp)
922 {
923 if (*cmdbuf_ptr < 0x80) // assume < 0x80 to be ascii ALWAYS (all shift-states etc.) uh-oh
924 return *cmdbuf_ptr++;
925
926 wchar_t wc;
927 int len = mbrtowc (&wc, (char *)cmdbuf_ptr, cmdbuf_endp - cmdbuf_ptr, &mbstate.mbs);
928
929 if (len == (size_t)-2)
930 return NOCHAR;
931
932 if (len == (size_t)-1)
933 return *cmdbuf_ptr++; // the _occasional_ latin1 character is allowed to slip through
934
935 // assume wchar == unicode
936 cmdbuf_ptr += len;
937 return wc;
938 }
939
940 return NOCHAR;
941 }
942
943 /* rxvt_cmd_getc() - Return next input character */
944 /*
945 * Return the next input character after first passing any keyboard input
946 * to the command.
947 */
948 /* INTPROTO */
949 uint32_t
950 rxvt_cmd_getc(pR)
951 {
952 for (;;)
953 {
954 uint32_t c = R->next_char ();
955 if (c != NOCHAR)
956 return c;
957
958 // incomplete sequences should occur rarely, still, a better solution
959 // would be preferred. either setjmp/longjmp or better design.
960 fcntl (R->cmd_fd, F_SETFL, 0);
961 R->pty_fill ();
962 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
963 }
964
965 #if 0
966 #define TIMEOUT_USEC 5000
967 fd_set readfds;
968 int quick_timeout, select_res;
969 int want_motion_time, want_keypress_time;
970 struct timeval value;
971 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
972 struct timeval tp;
973 #endif
974
975 for (;;) {
976 /* loop until we can return something */
977
978 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
979 R->tt_write(NULL, 0);
980
981 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
982 if (R->mouse_slip_wheel_speed) {
983 quick_timeout = 1;
984 if (!R->mouse_slip_wheel_delay--
985 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
986 abs(R->mouse_slip_wheel_speed))) {
987 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
988 R->refresh_type |= SMOOTH_REFRESH;
989 R->want_refresh = 1;
990 }
991 }
992 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
993 #ifdef SELECTION_SCROLLING
994 if (R->pending_scroll_selection) {
995 quick_timeout = 1;
996 if (!R->scroll_selection_delay--
997 && rxvt_scr_page(aR_ R->scroll_selection_dir,
998 R->scroll_selection_lines)) {
999 R->selection_extend (R->selection_save_x,
1000 R->selection_save_y, R->selection_save_state);
1001 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
1002 R->refresh_type |= SMOOTH_REFRESH;
1003 R->want_refresh = 1;
1004 }
1005 }
1006 #endif
1007 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1008 if (scrollbar_isUp() || scrollbar_isDn()) {
1009 quick_timeout = 1;
1010 if (!R->scroll_arrow_delay--
1011 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
1012 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
1013 R->refresh_type |= SMOOTH_REFRESH;
1014 R->want_refresh = 1;
1015 }
1016 }
1017 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1018
1019 #ifdef TRANSPARENT
1020 quick_timeout |= R->want_full_refresh;
1021 #endif
1022 #endif
1023 }
1024
1025 void
1026 rxvt_term::pointer_unblank ()
1027 {
1028 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1029 recolour_cursor ();
1030
1031 #ifdef POINTER_BLANK
1032 hidden_pointer = 0;
1033
1034 if (Options & Opt_pointerBlank)
1035 pointer_ev.start (NOW + pointerBlankDelay);
1036 #endif
1037 }
1038
1039 #ifdef POINTER_BLANK
1040 void
1041 rxvt_term::pointer_blank ()
1042 {
1043 if (!(Options & Opt_pointerBlank))
1044 return;
1045
1046 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1047 XFlush (Xdisplay);
1048
1049 hidden_pointer = 1;
1050 }
1051
1052 void
1053 rxvt_term::pointer_cb (time_watcher &w)
1054 {
1055 SET_R (this);
1056 SET_LOCALE (locale);
1057
1058 pointer_blank ();
1059 }
1060 #endif
1061
1062 /* INTPROTO */
1063 void
1064 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1065 {
1066 int button_number, key_state = 0;
1067 int x, y;
1068
1069 x = ev->x;
1070 y = ev->y;
1071 R->pixel_position (&x, &y);
1072
1073 if (R->MEvent.button == AnyButton) {
1074 button_number = 3;
1075 } else {
1076 button_number = R->MEvent.button - Button1;
1077 /* add 0x3D for wheel events, like xterm does */
1078 if (button_number >= 3)
1079 button_number += (64 - 3);
1080 }
1081
1082 if (R->PrivateModes & PrivMode_MouseX10) {
1083 /*
1084 * do not report ButtonRelease
1085 * no state info allowed
1086 */
1087 key_state = 0;
1088 if (button_number == 3)
1089 return;
1090 } else {
1091 /* XTerm mouse reporting needs these values:
1092 * 4 = Shift
1093 * 8 = Meta
1094 * 16 = Control
1095 * plus will add in our own Double-Click reporting
1096 * 32 = Double Click
1097 */
1098 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1099 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1100 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1101 #ifdef MOUSE_REPORT_DOUBLECLICK
1102 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1103 #endif
1104 }
1105
1106 #ifdef DEBUG_MOUSEREPORT
1107 fprintf(stderr, "Mouse [");
1108 if (key_state & 16)
1109 fputc('C', stderr);
1110 if (key_state & 4)
1111 fputc('S', stderr);
1112 if (key_state & 8)
1113 fputc('A', stderr);
1114 if (key_state & 32)
1115 fputc('2', stderr);
1116 fprintf(stderr, "]: <%d>, %d/%d\n",
1117 button_number,
1118 x + 1,
1119 y + 1);
1120 #else
1121 R->tt_printf("\033[M%c%c%c",
1122 (32 + button_number + key_state),
1123 (32 + x + 1),
1124 (32 + y + 1));
1125 #endif
1126 }
1127
1128 #ifdef USING_W11LIB
1129 /* EXTPROTO */
1130 void
1131 rxvt_W11_process_x_event(XEvent *ev)
1132 {
1133 rxvt_t *r = rxvt_get_r();
1134
1135 rxvt_process_x_event(aR_ ev);
1136 }
1137 #endif
1138
1139 /*{{{ process an X event */
1140 /* INTPROTO */
1141 void
1142 rxvt_process_x_event(pR_ XEvent *ev)
1143 {
1144 int i, want_timeout;
1145 Window unused_root, unused_child;
1146 int unused_root_x, unused_root_y;
1147 unsigned int unused_mask;
1148
1149 #ifdef DEBUG_X
1150 const char *const eventnames[] =
1151 { /* mason - this matches my system */
1152 "",
1153 "",
1154 "KeyPress",
1155 "KeyRelease",
1156 "ButtonPress",
1157 "ButtonRelease",
1158 "MotionNotify",
1159 "EnterNotify",
1160 "LeaveNotify",
1161 "FocusIn",
1162 "FocusOut",
1163 "KeymapNotify",
1164 "Expose",
1165 "GraphicsExpose",
1166 "NoExpose",
1167 "VisibilityNotify",
1168 "CreateNotify",
1169 "DestroyNotify",
1170 "UnmapNotify",
1171 "MapNotify",
1172 "MapRequest",
1173 "ReparentNotify",
1174 "ConfigureNotify",
1175 "ConfigureRequest",
1176 "GravityNotify",
1177 "ResizeRequest",
1178 "CirculateNotify",
1179 "CirculateRequest",
1180 "PropertyNotify",
1181 "SelectionClear",
1182 "SelectionRequest",
1183 "SelectionNotify",
1184 "ColormapNotify",
1185 "ClientMessage",
1186 "MappingNotify"
1187 };
1188 #endif
1189
1190 #ifdef DEBUG_X
1191 struct timeval tp;
1192 struct tm *ltt;
1193 (void)gettimeofday(&tp, NULL);
1194 ltt = localtime(&(tp.tv_sec));
1195 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));
1196 #endif
1197
1198 switch (ev->type) {
1199 case KeyPress:
1200 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1201 break;
1202
1203 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1204 case KeyRelease:
1205 {
1206 if (!(ev->xkey.state & ControlMask))
1207 R->mouse_slip_wheel_speed = 0;
1208 else {
1209 KeySym ks;
1210
1211 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1212 if (ks == XK_Control_L || ks == XK_Control_R)
1213 R->mouse_slip_wheel_speed = 0;
1214 }
1215 break;
1216 }
1217 #endif
1218
1219 case ButtonPress:
1220 rxvt_button_press(aR_ (XButtonEvent *)ev);
1221 break;
1222
1223 case ButtonRelease:
1224 rxvt_button_release(aR_ (XButtonEvent *)ev);
1225 break;
1226
1227 case ClientMessage:
1228 if (ev->xclient.format == 32
1229 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1230 R->destroy ();
1231 #ifdef OFFIX_DND
1232 /* OffiX Dnd (drag 'n' drop) protocol */
1233 else if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1234 && (ev->xclient.data.l[0] == DndFile
1235 || ev->xclient.data.l[0] == DndDir
1236 || ev->xclient.data.l[0] == DndLink)) {
1237 /* Get Dnd data */
1238 Atom ActualType;
1239 int ActualFormat;
1240 unsigned char *data;
1241 unsigned long Size, RemainingBytes;
1242
1243 XGetWindowProperty(R->Xdisplay, Xroot,
1244 R->xa[XA_DNDSELECTION],
1245 0L, 1000000L,
1246 False, AnyPropertyType,
1247 &ActualType, &ActualFormat,
1248 &Size, &RemainingBytes,
1249 &data);
1250 XChangeProperty(R->Xdisplay, Xroot,
1251 XA_CUT_BUFFER0, XA_STRING,
1252 8, PropModeReplace,
1253 data, STRLEN(data));
1254 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1255 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1256 }
1257 #endif /* OFFIX_DND */
1258 break;
1259
1260 case MappingNotify:
1261 XRefreshKeyboardMapping(&(ev->xmapping));
1262 break;
1263
1264 /*
1265 * XXX: this is not the _current_ arrangement
1266 * Here's my conclusion:
1267 * If the window is completely unobscured, use bitblt's
1268 * to scroll. Even then, they're only used when doing partial
1269 * screen scrolling. When partially obscured, we have to fill
1270 * in the GraphicsExpose parts, which means that after each refresh,
1271 * we need to wait for the graphics expose or Noexpose events,
1272 * which ought to make things real slow!
1273 */
1274 case VisibilityNotify:
1275 switch (ev->xvisibility.state)
1276 {
1277 case VisibilityUnobscured:
1278 R->refresh_type = FAST_REFRESH;
1279 break;
1280 case VisibilityPartiallyObscured:
1281 R->refresh_type = SLOW_REFRESH;
1282 break;
1283 default:
1284 R->refresh_type = NO_REFRESH;
1285 break;
1286 }
1287 break;
1288
1289 case FocusIn:
1290 if (!R->TermWin.focus) {
1291 R->TermWin.focus = 1;
1292 R->want_refresh = 1;
1293 #ifdef USE_XIM
1294 if (R->Input_Context != NULL)
1295 XSetICFocus(R->Input_Context);
1296 #endif
1297 #ifdef CURSOR_BLINK
1298 if (R->Options & Opt_cursorBlink)
1299 R->blink_ev.start (NOW + BLINK_INTERVAL);
1300 #endif
1301 }
1302 break;
1303
1304 case FocusOut:
1305 if (R->TermWin.focus) {
1306 R->TermWin.focus = 0;
1307 R->want_refresh = 1;
1308 #ifdef USE_XIM
1309 if (R->Input_Context != NULL)
1310 XUnsetICFocus(R->Input_Context);
1311 #endif
1312 #ifdef CURSOR_BLINK
1313 if (R->Options & Opt_cursorBlink)
1314 R->blink_ev.stop ();
1315 R->hidden_cursor = 0;
1316 #endif
1317 }
1318 break;
1319
1320 case ConfigureNotify:
1321 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1322 int height, width;
1323
1324 do { /* Wrap lots of configures into one */
1325 width = ev->xconfigure.width;
1326 height = ev->xconfigure.height;
1327 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1328 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1329 ConfigureNotify, ev));
1330 if (R->szHint.width != width || R->szHint.height != height) {
1331 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1332 R->resize_all_windows (width, height, 1);
1333 }
1334 #ifdef DEBUG_SIZE
1335 else {
1336 D_SIZE((stderr, "Size: Not resizing"));
1337 }
1338 #endif
1339 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1340 if (R->Options & Opt_transparent) {
1341 rxvt_check_our_parents(aR);
1342 if (R->am_transparent)
1343 R->want_full_refresh = 1;
1344 }
1345 #endif
1346 }
1347 break;
1348
1349 case SelectionClear:
1350 rxvt_selection_clear(aR);
1351 break;
1352
1353 case SelectionNotify:
1354 if (R->selection_wait == Sel_normal)
1355 rxvt_selection_paste(aR_ ev->xselection.requestor,
1356 ev->xselection.property, True);
1357 break;
1358
1359 case SelectionRequest:
1360 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1361 break;
1362
1363 case UnmapNotify:
1364 R->TermWin.mapped = 0;
1365 break;
1366
1367 case MapNotify:
1368 R->TermWin.mapped = 1;
1369 break;
1370
1371 case PropertyNotify:
1372 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1373 if (ev->xproperty.state == PropertyNewValue)
1374 rxvt_selection_property(aR_ ev->xproperty.window,
1375 ev->xproperty.atom);
1376 break;
1377 }
1378 #ifdef TRANSPARENT
1379 /*
1380 * if user used some Esetroot compatible prog to set the root bg,
1381 * use the property to determine the pixmap. We use it later on.
1382 */
1383 if (R->xa[XA_XROOTPMAPID] == 0)
1384 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1385 "_XROOTPMAP_ID", False);
1386 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1387 break;
1388 /* FALLTHROUGH */
1389 case ReparentNotify:
1390 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1391 if (R->am_transparent)
1392 R->want_full_refresh = 1;
1393 }
1394 #endif /* TRANSPARENT */
1395 break;
1396
1397 case GraphicsExpose:
1398 case Expose:
1399 if (ev->xany.window == R->TermWin.vt) {
1400 #ifdef NO_SLOW_LINK_SUPPORT
1401 R->scr_expose (ev->xexpose.x, ev->xexpose.y,
1402 ev->xexpose.width, ev->xexpose.height, False);
1403 #else
1404 // don't understand this, so commented it out
1405 R->scr_expose (ev->xexpose.x, ev->xexpose.y,
1406 ev->xexpose.width, ev->xexpose.height, False);
1407 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1408 // ev->xexpose.width, R->TermWin.height, False);
1409 #endif
1410 R->want_refresh = 1;
1411 } else {
1412 XEvent unused_xevent;
1413
1414 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1415 Expose,
1416 &unused_xevent)) ;
1417 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1418 GraphicsExpose,
1419 &unused_xevent)) ;
1420 if (isScrollbarWindow(ev->xany.window)) {
1421 R->scrollBar.setIdle();
1422 rxvt_scrollbar_show(aR_ 0);
1423 }
1424 #ifdef MENUBAR
1425 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1426 rxvt_menubar_expose(aR);
1427 #endif
1428 #ifdef RXVT_GRAPHICS
1429 rxvt_Gr_expose(aR_ ev->xany.window);
1430 #endif
1431 }
1432 break;
1433
1434 case MotionNotify:
1435 #ifdef POINTER_BLANK
1436 if (R->hidden_pointer)
1437 R->pointer_unblank ();
1438 #endif
1439 #if MENUBAR
1440 if (isMenuBarWindow(ev->xany.window)) {
1441 rxvt_menubar_control(aR_ &(ev->xbutton));
1442 break;
1443 }
1444 #endif
1445 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1446 break;
1447
1448 if (ev->xany.window == R->TermWin.vt) {
1449 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1450 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1451 MotionNotify, ev)) ;
1452 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1453 &unused_root, &unused_child,
1454 &unused_root_x, &unused_root_y,
1455 &(ev->xbutton.x), &(ev->xbutton.y),
1456 &unused_mask);
1457 #ifdef MOUSE_THRESHOLD
1458 /* deal with a `jumpy' mouse */
1459 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1460 #endif
1461 R->selection_extend ((ev->xbutton.x), (ev->xbutton.y),
1462 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1463 #ifdef SELECTION_SCROLLING
1464 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1465 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1466 int dist;
1467
1468 R->pending_scroll_selection=1;
1469
1470 /* don't clobber the current delay if we are
1471 * already in the middle of scrolling.
1472 */
1473 if (R->scroll_selection_delay<=0)
1474 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1475
1476 /* save the event params so we can highlight
1477 * the selection in the pending-scroll loop
1478 */
1479 R->selection_save_x=ev->xbutton.x;
1480 R->selection_save_y=ev->xbutton.y;
1481 R->selection_save_state=
1482 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1483
1484 /* calc number of lines to scroll */
1485 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1486 R->scroll_selection_dir = UP;
1487 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1488 }
1489 else {
1490 R->scroll_selection_dir = DN;
1491 dist = ev->xbutton.y -
1492 (R->TermWin.int_bwidth + R->TermWin.height);
1493 }
1494 R->scroll_selection_lines=(Pixel2Height(dist)/
1495 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1496 MIN_IT(R->scroll_selection_lines,
1497 SELECTION_SCROLL_MAX_LINES);
1498 }
1499 else {
1500 /* we are within the text window, so we
1501 * shouldn't be scrolling
1502 */
1503 R->pending_scroll_selection = 0;
1504 }
1505 #endif
1506 #ifdef MOUSE_THRESHOLD
1507 }
1508 #endif
1509 }
1510 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1511 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1512 MotionNotify, ev)) ;
1513 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1514 &unused_root, &unused_child,
1515 &unused_root_x, &unused_root_y,
1516 &(ev->xbutton.x), &(ev->xbutton.y),
1517 &unused_mask);
1518 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1519 scrollbar_size());
1520 R->scr_refresh (R->refresh_type);
1521 R->refresh_limit = 0;
1522 rxvt_scrollbar_show(aR_ 1);
1523 }
1524 break;
1525 }
1526 }
1527
1528 /* INTPROTO */
1529 void
1530 rxvt_button_press(pR_ XButtonEvent *ev)
1531 {
1532 int reportmode = 0, clickintime;
1533
1534 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1535 if (!R->bypass_keystate)
1536 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1537 /*
1538 * VT window processing of button press
1539 */
1540 if (ev->window == R->TermWin.vt)
1541 {
1542 #if RXVT_GRAPHICS
1543 if (ev->subwindow != None)
1544 rxvt_Gr_ButtonPress (ev->x, ev->y);
1545 else
1546 #endif
1547 {
1548 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1549 if (reportmode)
1550 {
1551 /* mouse report from vt window */
1552 /* save the xbutton state (for ButtonRelease) */
1553 R->MEvent.state = ev->state;
1554 #ifdef MOUSE_REPORT_DOUBLECLICK
1555 if (ev->button == R->MEvent.button && clickintime)
1556 {
1557 /* same button, within alloted time */
1558 R->MEvent.clicks++;
1559 if (R->MEvent.clicks > 1)
1560 {
1561 /* only report double clicks */
1562 R->MEvent.clicks = 2;
1563 rxvt_mouse_report(aR_ ev);
1564
1565 /* don't report the release */
1566 R->MEvent.clicks = 0;
1567 R->MEvent.button = AnyButton;
1568 }
1569 }
1570 else
1571 {
1572 /* different button, or time expired */
1573 R->MEvent.clicks = 1;
1574 R->MEvent.button = ev->button;
1575 rxvt_mouse_report(aR_ ev);
1576 }
1577 #else
1578 R->MEvent.button = ev->button;
1579 rxvt_mouse_report(aR_ ev);
1580 #endif /* MOUSE_REPORT_DOUBLECLICK */
1581 }
1582 else
1583 {
1584 if (ev->button != R->MEvent.button)
1585 R->MEvent.clicks = 0;
1586 switch (ev->button)
1587 {
1588 case Button1:
1589 /* allow shift+left click to extend selection */
1590 if (ev->state & ShiftMask && !(R->PrivateModes & PrivMode_mouse_report))
1591 {
1592 if (R->MEvent.button == Button1 && clickintime)
1593 R->selection_rotate (ev->x, ev->y);
1594 else
1595 R->selection_extend (ev->x, ev->y, 1);
1596 }
1597 else
1598 {
1599 if (R->MEvent.button == Button1 && clickintime)
1600 R->MEvent.clicks++;
1601 else
1602 R->MEvent.clicks = 1;
1603
1604 R->selection_click (R->MEvent.clicks, ev->x, ev->y);
1605 }
1606
1607 R->MEvent.button = Button1;
1608 break;
1609
1610 case Button3:
1611 if (R->MEvent.button == Button3 && clickintime)
1612 R->selection_rotate (ev->x, ev->y);
1613 else
1614 R->selection_extend (ev->x, ev->y, 1);
1615 R->MEvent.button = Button3;
1616 break;
1617 }
1618 }
1619 R->MEvent.time = ev->time;
1620 return;
1621 }
1622 }
1623
1624 /*
1625 * Scrollbar window processing of button press
1626 */
1627 if (isScrollbarWindow(ev->window))
1628 {
1629 R->scrollBar.setIdle ();
1630 /*
1631 * Rxvt-style scrollbar:
1632 * move up if mouse is above slider
1633 * move dn if mouse is below slider
1634 *
1635 * XTerm-style scrollbar:
1636 * Move display proportional to pointer location
1637 * pointer near top -> scroll one line
1638 * pointer near bot -> scroll full page
1639 */
1640 #ifndef NO_SCROLLBAR_REPORT
1641 if (reportmode) {
1642 /*
1643 * Mouse report disabled scrollbar:
1644 * arrow buttons - send up/down
1645 * click on scrollbar - send pageup/down
1646 */
1647 if ((R->scrollBar.style == R_SB_NEXT
1648 && scrollbarnext_upButton(ev->y))
1649 || (R->scrollBar.style == R_SB_RXVT
1650 && scrollbarrxvt_upButton(ev->y)))
1651 R->tt_printf("\033[A");
1652 else if ((R->scrollBar.style == R_SB_NEXT
1653 && scrollbarnext_dnButton(ev->y))
1654 || (R->scrollBar.style == R_SB_RXVT
1655 && scrollbarrxvt_dnButton(ev->y)))
1656 R->tt_printf("\033[B");
1657 else
1658 switch (ev->button) {
1659 case Button2:
1660 R->tt_printf("\014");
1661 break;
1662 case Button1:
1663 R->tt_printf("\033[6~");
1664 break;
1665 case Button3:
1666 R->tt_printf("\033[5~");
1667 break;
1668 }
1669 }
1670 else
1671 #endif /* NO_SCROLLBAR_REPORT */
1672 {
1673 char upordown = 0;
1674
1675 if (R->scrollBar.style == R_SB_NEXT) {
1676 if (scrollbarnext_upButton(ev->y))
1677 upordown = -1; /* up */
1678 else if (scrollbarnext_dnButton(ev->y))
1679 upordown = 1; /* down */
1680 } else if (R->scrollBar.style == R_SB_RXVT) {
1681 if (scrollbarrxvt_upButton(ev->y))
1682 upordown = -1; /* up */
1683 else if (scrollbarrxvt_dnButton(ev->y))
1684 upordown = 1; /* down */
1685 }
1686 if (upordown) {
1687 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1688 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1689 #endif
1690 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1691 if (upordown < 0)
1692 R->scrollBar.setUp ();
1693 else
1694 R->scrollBar.setDn ();
1695 }
1696 } else
1697 switch (ev->button) {
1698 case Button2:
1699 switch (R->scrollbar_align) {
1700 case R_SB_ALIGN_TOP:
1701 R->csrO = 0;
1702 break;
1703 case R_SB_ALIGN_CENTRE:
1704 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1705 break;
1706 case R_SB_ALIGN_BOTTOM:
1707 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1708 break;
1709 }
1710 if (R->scrollBar.style == R_SB_XTERM
1711 || scrollbar_above_slider(ev->y)
1712 || scrollbar_below_slider(ev->y))
1713 rxvt_scr_move_to(aR_
1714 scrollbar_position(ev->y) - R->csrO,
1715 scrollbar_size());
1716 R->scrollBar.setMotion ();
1717 break;
1718
1719 case Button1:
1720 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1721 R->csrO = ev->y - R->scrollBar.top;
1722 /* FALLTHROUGH */
1723
1724 case Button3:
1725 if (R->scrollBar.style != R_SB_XTERM) {
1726 if (scrollbar_above_slider(ev->y))
1727 # ifdef RXVT_SCROLL_FULL
1728 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1729 # else
1730 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1731 # endif
1732 else if (scrollbar_below_slider(ev->y))
1733 # ifdef RXVT_SCROLL_FULL
1734 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1735 # else
1736 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1737 # endif
1738 else
1739 R->scrollBar.setMotion ();
1740 } else {
1741 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1742 (R->TermWin.nrow
1743 * scrollbar_position(ev->y)
1744 / scrollbar_size()));
1745 }
1746 break;
1747 }
1748 }
1749 return;
1750 }
1751 #if MENUBAR
1752 /*
1753 * Menubar window processing of button press
1754 */
1755 if (isMenuBarWindow(ev->window))
1756 rxvt_menubar_control(aR_ ev);
1757 #endif
1758 }
1759
1760 /* INTPROTO */
1761 void
1762 rxvt_button_release(pR_ XButtonEvent *ev)
1763 {
1764 int reportmode = 0;
1765
1766 R->csrO = 0; /* reset csr Offset */
1767 if (!R->bypass_keystate)
1768 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1769
1770 if (scrollbar_isUpDn()) {
1771 R->scrollBar.setIdle ();
1772 rxvt_scrollbar_show(aR_ 0);
1773 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1774 R->refresh_type &= ~SMOOTH_REFRESH;
1775 #endif
1776 }
1777 #ifdef SELECTION_SCROLLING
1778 R->pending_scroll_selection=0;
1779 #endif
1780 if (ev->window == R->TermWin.vt)
1781 {
1782 #ifdef RXVT_GRAPHICS
1783 if (ev->subwindow != None)
1784 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1785 else
1786 #endif
1787 {
1788 if (reportmode)
1789 {
1790 /* mouse report from vt window */
1791 /* don't report release of wheel "buttons" */
1792 if (ev->button >= 4)
1793 return;
1794 #ifdef MOUSE_REPORT_DOUBLECLICK
1795 /* only report the release of 'slow' single clicks */
1796 if (R->MEvent.button != AnyButton
1797 && (ev->button != R->MEvent.button
1798 || (ev->time - R->MEvent.time
1799 > MULTICLICK_TIME / 2)))
1800 {
1801 R->MEvent.clicks = 0;
1802 R->MEvent.button = AnyButton;
1803 rxvt_mouse_report(aR_ ev);
1804 }
1805 #else /* MOUSE_REPORT_DOUBLECLICK */
1806 R->MEvent.button = AnyButton;
1807 rxvt_mouse_report(aR_ ev);
1808 #endif /* MOUSE_REPORT_DOUBLECLICK */
1809 return;
1810 }
1811 /*
1812 * dumb hack to compensate for the failure of click-and-drag
1813 * when overriding mouse reporting
1814 */
1815 if (R->PrivateModes & PrivMode_mouse_report
1816 && R->bypass_keystate
1817 && ev->button == Button1 && R->MEvent.clicks <= 1)
1818 R->selection_extend (ev->x, ev->y, 0);
1819
1820 switch (ev->button) {
1821 case Button1:
1822 case Button3:
1823 rxvt_selection_make(aR_ ev->time);
1824 break;
1825 case Button2:
1826 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1827 break;
1828 #ifdef MOUSE_WHEEL
1829 case Button4:
1830 case Button5:
1831 {
1832 int i;
1833 page_dirn v;
1834
1835 v = (ev->button == Button4) ? UP : DN;
1836 if (ev->state & ShiftMask)
1837 i = 1;
1838 else if ((R->Options & Opt_mouseWheelScrollPage))
1839 i = R->TermWin.nrow - 1;
1840 else
1841 i = 5;
1842 # ifdef MOUSE_SLIP_WHEELING
1843 if (ev->state & ControlMask)
1844 {
1845 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1846 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1847 }
1848 # endif
1849 # ifdef JUMP_MOUSE_WHEEL
1850 rxvt_scr_page(aR_ v, i);
1851 R->scr_refresh (SMOOTH_REFRESH);
1852 rxvt_scrollbar_show(aR_ 1);
1853 # else
1854 while (i--)
1855 {
1856 rxvt_scr_page(aR_ v, 1);
1857 R->scr_refresh (SMOOTH_REFRESH);
1858 rxvt_scrollbar_show(aR_ 1);
1859 }
1860 # endif
1861 }
1862 break;
1863 #endif
1864 }
1865 }
1866 }
1867 #ifdef MENUBAR
1868 else if (isMenuBarWindow(ev->window))
1869 rxvt_menubar_control(aR_ ev);
1870 #endif
1871 }
1872
1873
1874 #ifdef TRANSPARENT
1875 /*
1876 * Check our parents are still who we think they are.
1877 * Do transparency updates if required
1878 */
1879 /* EXTPROTO */
1880 int
1881 rxvt_check_our_parents(pR)
1882 {
1883 int i, pchanged, aformat, have_pixmap, rootdepth;
1884 unsigned long nitems, bytes_after;
1885 Atom atype;
1886 unsigned char *prop = NULL;
1887 Window root, oldp, *list;
1888 Pixmap rootpixmap = None;
1889 XWindowAttributes wattr, wrootattr;
1890
1891 pchanged = 0;
1892
1893 if (!(R->Options & Opt_transparent))
1894 return pchanged; /* Don't try any more */
1895
1896 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1897 rootdepth = wrootattr.depth;
1898
1899 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1900 if (rootdepth != wattr.depth) {
1901 if (R->am_transparent) {
1902 pchanged = 1;
1903 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1904 R->PixColors[Color_bg]);
1905 R->am_transparent = R->am_pixmap_trans = 0;
1906 }
1907 return pchanged; /* Don't try any more */
1908 }
1909
1910 /* Get all X ops out of the queue so that our information is up-to-date. */
1911 XSync(R->Xdisplay, False);
1912
1913 /*
1914 * Make the frame window set by the window manager have
1915 * the root background. Some window managers put multiple nested frame
1916 * windows for each client, so we have to take care about that.
1917 */
1918 i = (R->xa[XA_XROOTPMAPID] != 0
1919 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1920 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1921 &nitems, &bytes_after, &prop) == Success));
1922 if (!i || prop == NULL)
1923 have_pixmap = 0;
1924 else {
1925 have_pixmap = 1;
1926 rootpixmap = *((Pixmap *)prop);
1927 XFree(prop);
1928 }
1929 if (have_pixmap) {
1930 /*
1931 * Copy Xroot pixmap transparency
1932 */
1933 int sx, sy, nx, ny;
1934 unsigned int nw, nh;
1935 Window cr;
1936 XImage *image;
1937 GC gc;
1938 XGCValues gcvalue;
1939
1940 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1941 0, 0, &sx, &sy, &cr);
1942 nw = (unsigned int)R->szHint.width;
1943 nh = (unsigned int)R->szHint.height;
1944 nx = ny = 0;
1945 if (sx < 0) {
1946 nw += sx;
1947 nx = -sx;
1948 sx = 0;
1949 }
1950 if (sy < 0) {
1951 nh += sy;
1952 ny = -sy;
1953 sy = 0;
1954 }
1955 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1956 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1957 R->allowedxerror = -1;
1958 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1959 ZPixmap);
1960 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1961 /* XXX: may need a delay here? */
1962 R->allowedxerror = 0;
1963 if (image == NULL) {
1964 if (R->am_transparent && R->am_pixmap_trans) {
1965 pchanged = 1;
1966 if (R->TermWin.pixmap != None) {
1967 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1968 R->TermWin.pixmap = None;
1969 }
1970 }
1971 R->am_pixmap_trans = 0;
1972 } else {
1973 if (R->TermWin.pixmap != None)
1974 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1975 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1976 (unsigned int)R->szHint.width,
1977 (unsigned int)R->szHint.height,
1978 (unsigned int)image->depth);
1979 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1980 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1981 nx, ny, (unsigned int)image->width,
1982 (unsigned int)image->height);
1983 XFreeGC(R->Xdisplay, gc);
1984 XDestroyImage(image);
1985 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
1986 R->TermWin.pixmap);
1987 if (!R->am_transparent || !R->am_pixmap_trans)
1988 pchanged = 1;
1989 R->am_transparent = R->am_pixmap_trans = 1;
1990 }
1991 }
1992 if (!R->am_pixmap_trans) {
1993 unsigned int n;
1994 /*
1995 * InheritPixmap transparency
1996 */
1997 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
1998 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
1999 i++) {
2000 oldp = R->TermWin.parent[i];
2001 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2002 &R->TermWin.parent[i], &list, &n);
2003 XFree(list);
2004 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2005 if (R->TermWin.parent[i] == Xroot) {
2006 if (oldp != None)
2007 pchanged = 1;
2008 break;
2009 }
2010 if (oldp != R->TermWin.parent[i])
2011 pchanged = 1;
2012 }
2013 n = 0;
2014 if (pchanged) {
2015 for (; n < (unsigned int)i; n++) {
2016 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2017 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2018 if (wattr.depth != rootdepth || wattr.c_class == InputOnly) {
2019 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2020 break;
2021 }
2022 }
2023 }
2024 if (n > (int)(sizeof(R->TermWin.parent)
2025 / sizeof(R->TermWin.parent[0]))) {
2026 D_X((stderr, "InheritPixmap Turning off"));
2027 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2028 R->PixColors[Color_fg]);
2029 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2030 R->PixColors[Color_bg]);
2031 R->am_transparent = 0;
2032 /* XXX: also turn off Opt_transparent? */
2033 } else {
2034 /* wait (an arbitrary period) for the WM to do its thing
2035 * needed for fvwm2.2.2 (and before?) */
2036 # ifdef HAVE_NANOSLEEP
2037 struct timespec rqt;
2038
2039 rqt.tv_sec = 1;
2040 rqt.tv_nsec = 0;
2041 nanosleep(&rqt, NULL);
2042 # else
2043 sleep(1);
2044 # endif
2045 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2046 for (n = 0; n < (unsigned int)i; n++)
2047 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2048 ParentRelative);
2049 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2050 ParentRelative);
2051 R->am_transparent = 1;
2052 }
2053 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2054 R->TermWin.parent[i] = None;
2055 }
2056 return pchanged;
2057 }
2058 #endif
2059
2060 /*}}} */
2061
2062 /*{{{ print pipe */
2063 /*----------------------------------------------------------------------*/
2064 #ifdef PRINTPIPE
2065 /* EXTPROTO */
2066 FILE *
2067 rxvt_popen_printer(pR)
2068 {
2069 FILE *stream = popen(R->rs[Rs_print_pipe], "w");
2070
2071 if (stream == NULL)
2072 rxvt_print_error("can't open printer pipe");
2073 return stream;
2074 }
2075
2076 /* EXTPROTO */
2077 int
2078 rxvt_pclose_printer (FILE *stream)
2079 {
2080 fflush (stream);
2081 /* pclose() reported not to work on SunOS 4.1.3 */
2082 # if defined (__sun__) /* TODO: RESOLVE THIS */
2083 /* pclose works provided SIGCHLD handler uses waitpid */
2084 return pclose (stream); /* return fclose (stream); */
2085 # else
2086 return pclose (stream);
2087 # endif
2088 }
2089
2090 /*
2091 * simulate attached vt100 printer
2092 */
2093 /* INTPROTO */
2094 void
2095 rxvt_process_print_pipe(pR)
2096 {
2097 int done;
2098 FILE *fd;
2099
2100 if ((fd = rxvt_popen_printer(aR)) == NULL)
2101 return;
2102
2103 /*
2104 * Send all input to the printer until either ESC[4i or ESC[?4i
2105 * is received.
2106 */
2107 for (done = 0; !done;) {
2108 unsigned char buf[8];
2109 unsigned char ch;
2110 unsigned int i, len;
2111
2112 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2113 if (putc(ch, fd) == EOF)
2114 break; /* done = 1 */
2115 } else {
2116 len = 0;
2117 buf[len++] = ch;
2118
2119 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2120 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2121 buf[len++] = '?';
2122 ch = rxvt_cmd_getc(aR);
2123 }
2124 if ((buf[len++] = ch) == '4') {
2125 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2126 break; /* done = 1 */
2127 }
2128 }
2129 for (i = 0; i < len; i++)
2130 if (putc(buf[i], fd) == EOF) {
2131 done = 1;
2132 break;
2133 }
2134 }
2135 }
2136 rxvt_pclose_printer(fd);
2137 }
2138 #endif /* PRINTPIPE */
2139 /*}}} */
2140
2141 /* *INDENT-OFF* */
2142 enum {
2143 C1_40 = 0x40,
2144 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2145 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2146 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2147 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2148 };
2149 /* *INDENT-ON* */
2150
2151 /*{{{ process non-printing single characters */
2152 /* INTPROTO */
2153 void
2154 rxvt_process_nonprinting(pR_ unsigned char ch)
2155 {
2156 switch (ch) {
2157 case C0_ENQ: /* terminal Status */
2158 if (R->rs[Rs_answerbackstring])
2159 R->tt_write(
2160 (const unsigned char *)R->rs[Rs_answerbackstring],
2161 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2162 else
2163 R->tt_write((unsigned char *)VT100_ANS,
2164 (unsigned int)STRLEN(VT100_ANS));
2165 break;
2166 case C0_BEL: /* bell */
2167 rxvt_scr_bell(aR);
2168 break;
2169 case C0_BS: /* backspace */
2170 rxvt_scr_backspace(aR);
2171 break;
2172 case C0_HT: /* tab */
2173 rxvt_scr_tab(aR_ 1);
2174 break;
2175 case C0_CR: /* carriage return */
2176 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2177 break;
2178 case C0_VT: /* vertical tab, form feed */
2179 case C0_FF:
2180 case C0_LF: /* line feed */
2181 rxvt_scr_index(aR_ UP);
2182 break;
2183 case C0_SO: /* shift out - acs */
2184 rxvt_scr_charset_choose(aR_ 1);
2185 break;
2186 case C0_SI: /* shift in - acs */
2187 rxvt_scr_charset_choose(aR_ 0);
2188 break;
2189 }
2190 }
2191 /*}}} */
2192
2193
2194 /*{{{ process VT52 escape sequences */
2195 /* INTPROTO */
2196 void
2197 rxvt_process_escape_vt52(pR_ unsigned char ch)
2198 {
2199 int row, col;
2200
2201 switch (ch) {
2202 case 'A': /* cursor up */
2203 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2204 break;
2205 case 'B': /* cursor down */
2206 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2207 break;
2208 case 'C': /* cursor right */
2209 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2210 break;
2211 case 'D': /* cursor left */
2212 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2213 break;
2214 case 'H': /* cursor home */
2215 rxvt_scr_gotorc(aR_ 0, 0, 0);
2216 break;
2217 case 'I': /* cursor up and scroll down if needed */
2218 rxvt_scr_index(aR_ DN);
2219 break;
2220 case 'J': /* erase to end of screen */
2221 R->scr_erase_screen (0);
2222 break;
2223 case 'K': /* erase to end of line */
2224 rxvt_scr_erase_line(aR_ 0);
2225 break;
2226 case 'Y': /* move to specified row and col */
2227 /* full command is 'ESC Y row col' where row and col
2228 * are encoded by adding 32 and sending the ascii
2229 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2230 * etc. */
2231 row = rxvt_cmd_getc(aR) - ' ';
2232 col = rxvt_cmd_getc(aR) - ' ';
2233 rxvt_scr_gotorc(aR_ row, col, 0);
2234 break;
2235 case 'Z': /* identify the terminal type */
2236 R->tt_printf("\033/Z"); /* I am a VT100 emulating a VT52 */
2237 break;
2238 case '<': /* turn off VT52 mode */
2239 PrivMode(0, PrivMode_vt52);
2240 break;
2241 case 'F': /* use special graphics character set */
2242 case 'G': /* use regular character set */
2243 /* unimplemented */
2244 break;
2245 case '=': /* use alternate keypad mode */
2246 case '>': /* use regular keypad mode */
2247 /* unimplemented */
2248 break;
2249 }
2250 }
2251 /*}}} */
2252
2253
2254 /*{{{ process escape sequences */
2255 /* INTPROTO */
2256 void
2257 rxvt_process_escape_seq(pR)
2258 {
2259 unsigned char ch = rxvt_cmd_getc(aR);
2260
2261 if (R->PrivateModes & PrivMode_vt52) {
2262 rxvt_process_escape_vt52(aR_ ch);
2263 return;
2264 }
2265
2266 switch (ch) {
2267 /* case 1: do_tek_mode (); break; */
2268 case '#':
2269 if (rxvt_cmd_getc(aR) == '8')
2270 rxvt_scr_E(aR);
2271 break;
2272 case '(':
2273 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2274 break;
2275 case ')':
2276 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2277 break;
2278 case '*':
2279 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2280 break;
2281 case '+':
2282 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2283 break;
2284 #ifdef MULTICHAR_SET
2285 case '$':
2286 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2287 break;
2288 #endif
2289 #ifndef NO_FRILLS
2290 case '6':
2291 rxvt_scr_backindex(aR);
2292 break;
2293 #endif
2294 case '7':
2295 rxvt_scr_cursor(aR_ SAVE);
2296 break;
2297 case '8':
2298 rxvt_scr_cursor(aR_ RESTORE);
2299 break;
2300 #ifndef NO_FRILLS
2301 case '9':
2302 rxvt_scr_forwardindex(aR);
2303 break;
2304 #endif
2305 case '=':
2306 case '>':
2307 PrivMode((ch == '='), PrivMode_aplKP);
2308 break;
2309
2310 case C1_40:
2311 rxvt_cmd_getc(aR);
2312 break;
2313 case C1_44:
2314 rxvt_scr_index(aR_ UP);
2315 break;
2316
2317 /* 8.3.87: NEXT LINE */
2318 case C1_NEL: /* ESC E */
2319 {
2320 uint32_t nlcr[] = { '\n', '\r' };
2321 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2322 }
2323 break;
2324
2325 /* kidnapped escape sequence: Should be 8.3.48 */
2326 case C1_ESA: /* ESC G */
2327 rxvt_process_graphics(aR);
2328 break;
2329
2330 /* 8.3.63: CHARACTER TABULATION SET */
2331 case C1_HTS: /* ESC H */
2332 rxvt_scr_set_tab(aR_ 1);
2333 break;
2334
2335 /* 8.3.105: REVERSE LINE FEED */
2336 case C1_RI: /* ESC M */
2337 rxvt_scr_index(aR_ DN);
2338 break;
2339
2340 /* 8.3.142: SINGLE-SHIFT TWO */
2341 /*case C1_SS2: scr_single_shift (2); break; */
2342
2343 /* 8.3.143: SINGLE-SHIFT THREE */
2344 /*case C1_SS3: scr_single_shift (3); break; */
2345
2346 /* 8.3.27: DEVICE CONTROL STRING */
2347 case C1_DCS: /* ESC P */
2348 rxvt_process_dcs_seq(aR);
2349 break;
2350
2351 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2352 case C1_SCI: /* ESC Z */
2353 R->tt_write((const unsigned char *)ESCZ_ANSWER,
2354 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2355 break; /* steal obsolete ESC [ c */
2356
2357 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2358 case C1_CSI: /* ESC [ */
2359 rxvt_process_csi_seq(aR);
2360 break;
2361
2362 /* 8.3.90: OPERATING SYSTEM COMMAND */
2363 case C1_OSC: /* ESC ] */
2364 rxvt_process_osc_seq(aR);
2365 break;
2366
2367 /* 8.3.106: RESET TO INITIAL STATE */
2368 case 'c':
2369 rxvt_scr_poweron(aR);
2370 rxvt_scrollbar_show(aR_ 1);
2371 break;
2372
2373 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2374 case 'n':
2375 rxvt_scr_charset_choose(aR_ 2);
2376 break;
2377
2378 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2379 case 'o':
2380 rxvt_scr_charset_choose(aR_ 3);
2381 break;
2382 }
2383 }
2384 /*}}} */
2385
2386 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2387 /* *INDENT-OFF* */
2388 enum {
2389 CSI_ICH = 0x40,
2390 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2391 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2392 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2393 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2394 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2395 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2396 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2397 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2398 };
2399
2400 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2401 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2402 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2403 #define get_byte_array_bit(array, bit) \
2404 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2405
2406 const unsigned char csi_defaults[] = {
2407 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2408 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2409 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2410 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2411 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2412 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2413 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2414 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2415 };
2416 /* *INDENT-ON* */
2417
2418 /* INTPROTO */
2419 void
2420 rxvt_process_csi_seq(pR)
2421 {
2422 unsigned char ch, priv, i;
2423 unsigned int nargs, p;
2424 int n, ndef;
2425 int arg[ESC_ARGS];
2426
2427 for (nargs = ESC_ARGS; nargs > 0;)
2428 arg[--nargs] = 0;
2429
2430 priv = 0;
2431 ch = rxvt_cmd_getc(aR);
2432 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2433 priv = ch;
2434 ch = rxvt_cmd_getc(aR);
2435 }
2436 /* read any numerical arguments */
2437 for (n = -1; ch < CSI_ICH; ) {
2438 if (isdigit(ch)) {
2439 if (n < 0)
2440 n = ch - '0';
2441 else
2442 n = n * 10 + ch - '0';
2443 } else if (ch == ';') {
2444 if (nargs < ESC_ARGS)
2445 arg[nargs++] = n;
2446 n = -1;
2447 } else if (ch == '\b') {
2448 rxvt_scr_backspace(aR);
2449 } else if (ch == C0_ESC) {
2450 rxvt_process_escape_seq(aR);
2451 return;
2452 } else if (ch < ' ') {
2453 rxvt_process_nonprinting(aR_ ch);
2454 }
2455 ch = rxvt_cmd_getc(aR);
2456 }
2457
2458 if (ch > CSI_7F)
2459 return;
2460
2461 if (nargs < ESC_ARGS)
2462 arg[nargs++] = n;
2463
2464 i = ch - CSI_ICH;
2465 ndef = get_byte_array_bit(csi_defaults, i);
2466 for (p = 0; p < nargs; p++)
2467 if (arg[p] == -1)
2468 arg[p] = ndef;
2469
2470 #ifdef DEBUG_CMD
2471 fprintf(stderr, "CSI ");
2472 for (p = 0; p < nargs; p++)
2473 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2474 fprintf(stderr, "%c\n", ch);
2475 #endif
2476
2477 /*
2478 * private mode handling
2479 */
2480 if (priv) {
2481 switch (priv) {
2482 case '>':
2483 if (ch == CSI_DA) /* secondary device attributes */
2484 R->tt_printf("\033[>%d;%-.8s;0c", 'R', VSTRING);
2485 break;
2486 case '?':
2487 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2488 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2489 break;
2490 }
2491 return;
2492 }
2493
2494 switch (ch) {
2495 /*
2496 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2497 */
2498 #ifdef PRINTPIPE
2499 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2500 switch (arg[0]) {
2501 case 0: /* initiate transfer to primary aux device */
2502 rxvt_scr_printscreen(aR_ 0);
2503 break;
2504 case 5: /* start relay to primary aux device */
2505 rxvt_process_print_pipe(aR);
2506 break;
2507 }
2508 break;
2509 #endif
2510
2511 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2512 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2513 arg[0] = -arg[0];
2514 /* FALLTHROUGH */
2515 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2516 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2517 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2518 break;
2519
2520 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2521 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2522 #ifdef ISO6429
2523 arg[0] = -arg[0];
2524 #else /* emulate common DEC VTs */
2525 arg[0] = arg[0] ? -arg[0] : -1;
2526 #endif
2527 /* FALLTHROUGH */
2528 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2529 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2530 #ifdef ISO6429
2531 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2532 #else /* emulate common DEC VTs */
2533 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2534 #endif
2535 break;
2536
2537 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2538 arg[0] = -arg[0];
2539 /* FALLTHROUGH */
2540 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2541 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2542 break;
2543
2544 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2545 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2546 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2547 break;
2548
2549 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2550 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2551 break;
2552
2553 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2554 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2555 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2556 break;
2557
2558 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2559 arg[0] = -arg[0];
2560 /* FALLTHROUGH */
2561 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2562 rxvt_scr_tab(aR_ arg[0]);
2563 break;
2564
2565 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2566 R->scr_erase_screen (arg[0]);
2567 break;
2568
2569 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2570 rxvt_scr_erase_line(aR_ arg[0]);
2571 break;
2572
2573 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2574 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2575 break;
2576
2577 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2578 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2579 break;
2580
2581 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2582 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2583 break;
2584
2585 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2586 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2587 break;
2588
2589 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2590 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2591 break;
2592
2593 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2594 arg[0] = -arg[0];
2595 /* FALLTHROUGH */
2596 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2597 R->scr_scroll_text (R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2598 break;
2599
2600 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2601 R->tt_write((const unsigned char *)VT100_ANS,
2602 (unsigned int)(sizeof(VT100_ANS) - 1));
2603 break;
2604
2605 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2606 rxvt_process_sgr_mode(aR_ nargs, arg);
2607 break;
2608
2609 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2610 switch (arg[0]) {
2611 case 5: /* DSR requested */
2612 R->tt_printf("\033[0n");
2613 break;
2614 case 6: /* CPR requested */
2615 rxvt_scr_report_position(aR);
2616 break;
2617 #if defined (ENABLE_DISPLAY_ANSWER)
2618 case 7: /* unofficial extension */
2619 R->tt_printf("%-.250s\n", R->rs[Rs_display_name]);
2620 break;
2621 #endif
2622 case 8: /* unofficial extension */
2623 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2624 break;
2625 }
2626 break;
2627
2628 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2629 switch (arg[0]) {
2630 case 0: /* char tab stop cleared at active position */
2631 rxvt_scr_set_tab(aR_ 0);
2632 break;
2633 /* case 1: */ /* line tab stop cleared in active line */
2634 /* case 2: */ /* char tab stops cleared in active line */
2635 case 3: /* all char tab stops are cleared */
2636 /* case 4: */ /* all line tab stops are cleared */
2637 case 5: /* all tab stops are cleared */
2638 rxvt_scr_set_tab(aR_ -1);
2639 break;
2640 }
2641 break;
2642
2643 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2644 switch (arg[0]) {
2645 case 0: /* char tab stop set at active position */
2646 rxvt_scr_set_tab(aR_ 1);
2647 break; /* = ESC H */
2648 /* case 1: */ /* line tab stop set at active line */
2649 case 2: /* char tab stop cleared at active position */
2650 rxvt_scr_set_tab(aR_ 0);
2651 break; /* = ESC [ 0 g */
2652 /* case 3: */ /* line tab stop cleared at active line */
2653 /* case 4: */ /* char tab stops cleared at active line */
2654 case 5: /* all char tab stops are cleared */
2655 rxvt_scr_set_tab(aR_ -1);
2656 break; /* = ESC [ 3 g */
2657 /* case 6: */ /* all line tab stops are cleared */
2658 }
2659 break;
2660
2661 case CSI_RM: /* 8.3.107: RESET MODE */
2662 if (arg[0] == 4)
2663 rxvt_scr_insert_mode(aR_ 0);
2664 break;
2665
2666 case CSI_SM: /* 8.3.126: SET MODE */
2667 if (arg[0] == 4)
2668 rxvt_scr_insert_mode(aR_ 1);
2669 break;
2670
2671 /*
2672 * PRIVATE USE beyond this point. All CSI_7? sequences here
2673 */
2674 case CSI_72: /* DECSTBM: set top and bottom margins */
2675 if (nargs == 1)
2676 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2677 else if (nargs == 0 || arg[0] >= arg[1])
2678 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2679 else
2680 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2681 break;
2682
2683 case CSI_73:
2684 rxvt_scr_cursor(aR_ SAVE);
2685 break;
2686 case CSI_75:
2687 rxvt_scr_cursor(aR_ RESTORE);
2688 break;
2689
2690 #ifndef NO_FRILLS
2691 case CSI_74:
2692 rxvt_process_window_ops(aR_ arg, nargs);
2693 break;
2694 #endif
2695
2696 case CSI_78: /* DECREQTPARM */
2697 if (arg[0] == 0 || arg[0] == 1)
2698 R->tt_printf("\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2699 /* FALLTHROUGH */
2700
2701 default:
2702 break;
2703 }
2704 }
2705 /*}}} */
2706
2707 #ifndef NO_FRILLS
2708 /* ARGSUSED */
2709 /* INTPROTO */
2710 void
2711 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2712 {
2713 int x, y;
2714 #if 0
2715 char *s;
2716 #endif
2717 XWindowAttributes wattr;
2718 Window wdummy;
2719
2720 if (nargs == 0)
2721 return;
2722 switch (args[0]) {
2723 /*
2724 * commands
2725 */
2726 case 1: /* deiconify window */
2727 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2728 break;
2729 case 2: /* iconify window */
2730 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2731 DefaultScreen(R->Xdisplay));
2732 break;
2733 case 3: /* set position (pixels) */
2734 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2735 break;
2736 case 4: /* set size (pixels) */
2737 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2738 break;
2739 case 5: /* raise window */
2740 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2741 break;
2742 case 6: /* lower window */
2743 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2744 break;
2745 case 7: /* refresh window */
2746 R->scr_touch (true);
2747 break;
2748 case 8: /* set size (chars) */
2749 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2750 (unsigned int)(args[1] * R->TermWin.fheight));
2751 break;
2752 default:
2753 if (args[0] >= 24) /* set height (chars) */
2754 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2755 (unsigned int)(args[1] * R->TermWin.fheight));
2756 break;
2757 /*
2758 * reports - some output format copied from XTerm
2759 */
2760 case 11: /* report window state */
2761 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2762 R->tt_printf("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2763 break;
2764 case 13: /* report window position */
2765 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2766 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2767 -wattr.border_width, -wattr.border_width,
2768 &x, &y, &wdummy);
2769 R->tt_printf("\033[3;%d;%dt", x, y);
2770 break;
2771 case 14: /* report window size (pixels) */
2772 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2773 R->tt_printf("\033[4;%d;%dt", wattr.height, wattr.width);
2774 break;
2775 case 18: /* report window size (chars) */
2776 R->tt_printf("\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2777 break;
2778 #if 0 /* XXX: currently disabled due to security concerns */
2779 case 20: /* report icon label */
2780 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2781 R->tt_printf("\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2782 break;
2783 case 21: /* report window title */
2784 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2785 R->tt_printf("\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2786 break;
2787 #endif
2788 }
2789 }
2790 #endif
2791
2792 /*----------------------------------------------------------------------*/
2793 /*
2794 * get input up until STRING TERMINATOR (or BEL)
2795 * ends_how is terminator used. returned input must be free()d
2796 */
2797 /* INTPROTO */
2798 unsigned char *
2799 rxvt_get_to_st(pR_ unsigned char *ends_how)
2800 {
2801 int seen_esc = 0; /* seen escape? */
2802 unsigned int n = 0;
2803 unsigned char *s;
2804 unsigned char ch, string[STRING_MAX];
2805
2806 for (; (ch = rxvt_cmd_getc(aR));) {
2807 if (ch == C0_BEL
2808 || ch == CHAR_ST
2809 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2810 break;
2811 if (ch == C0_ESC) {
2812 seen_esc = 1;
2813 continue;
2814 } else if (ch == '\t')
2815 ch = ' '; /* translate '\t' to space */
2816 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2817 return NULL; /* other control character - exit */
2818 if (n < sizeof(string) - 1)
2819 string[n++] = ch;
2820 seen_esc = 0;
2821 }
2822 string[n++] = '\0';
2823 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2824 return NULL;
2825 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2826 STRNCPY(s, string, n);
2827 return s;
2828 }
2829
2830 /*----------------------------------------------------------------------*/
2831 /*
2832 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2833 */
2834 /* INTPROTO */
2835 void
2836 rxvt_process_dcs_seq(pR)
2837 {
2838 unsigned char eh, *s;
2839 /*
2840 * Not handled yet
2841 */
2842 s = rxvt_get_to_st(aR_ &eh);
2843 if (s)
2844 free(s);
2845 return;
2846 }
2847
2848 /*----------------------------------------------------------------------*/
2849 /*
2850 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2851 */
2852 /* INTPROTO */
2853 void
2854 rxvt_process_osc_seq(pR)
2855 {
2856 unsigned char ch, eh, *s;
2857 int arg;
2858
2859 ch = rxvt_cmd_getc(aR);
2860 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2861 arg = arg * 10 + (ch - '0');
2862
2863 if (ch == ';') {
2864 s = rxvt_get_to_st(aR_ &eh);
2865 if (s) {
2866 /*
2867 * rxvt_menubar_dispatch() violates the constness of the string,
2868 * so do it here
2869 */
2870 if (arg == XTerm_Menu)
2871 #if 0 /* XXX: currently disabled due to security concerns */
2872 rxvt_menubar_dispatch(aR_ (char *)s);
2873 #else
2874 0;
2875 #endif
2876 else
2877 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2878 free(s);
2879 }
2880 }
2881 }
2882 /*
2883 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2884 * 0 = change iconName/title
2885 * 1 = change iconName
2886 * 2 = change title
2887 * 4 = change color
2888 * 12 = change text color
2889 * 13 = change mouse foreground color
2890 * 17 = change highlight character colour
2891 * 18 = change bold character color
2892 * 19 = change underlined character color
2893 * 46 = change logfile (not implemented)
2894 * 50 = change font
2895 *
2896 * rxvt extensions:
2897 * 10 = menu (may change in future)
2898 * 20 = bg pixmap
2899 * 39 = change default fg color
2900 * 49 = change default bg color
2901 * 55 = dump scrollback buffer and all of screen
2902 */
2903 /* EXTPROTO */
2904 void
2905 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2906 {
2907 int changed = 0;
2908 int color;
2909 char *buf, *name;
2910
2911 assert(str != NULL);
2912 switch (op) {
2913 case XTerm_name:
2914 rxvt_set_title(aR_ str);
2915 /* FALLTHROUGH */
2916 case XTerm_iconName:
2917 rxvt_set_iconName(aR_ str);
2918 break;
2919 case XTerm_title:
2920 rxvt_set_title(aR_ str);
2921 break;
2922 case XTerm_Color:
2923 for (buf = (char *)str; buf && *buf;) {
2924 if ((name = STRCHR(buf, ';')) == NULL)
2925 break;
2926 *name++ = '\0';
2927 color = atoi(buf);
2928 if (color < 0 || color >= TOTAL_COLORS)
2929 break;
2930 if ((buf = STRCHR(name, ';')) != NULL)
2931 *buf++ = '\0';
2932 rxvt_set_window_color(aR_ color + minCOLOR, name);
2933 }
2934 break;
2935 #ifndef NO_CURSORCOLOR
2936 case XTerm_Color_cursor:
2937 rxvt_set_window_color(aR_ Color_cursor, str);
2938 break;
2939 #endif
2940 case XTerm_Color_pointer:
2941 rxvt_set_window_color(aR_ Color_pointer, str);
2942 break;
2943 #ifndef NO_BOLD_UNDERLINE_REVERSE
2944 case XTerm_Color_BD:
2945 rxvt_set_window_color(aR_ Color_BD, str);
2946 break;
2947 case XTerm_Color_UL:
2948 rxvt_set_window_color(aR_ Color_UL, str);
2949 break;
2950 case XTerm_Color_RV:
2951 rxvt_set_window_color(aR_ Color_RV, str);
2952 break;
2953 #endif
2954
2955 case XTerm_Menu:
2956 /*
2957 * rxvt_menubar_dispatch() violates the constness of the string,
2958 * so DON'T do it here
2959 */
2960 break;
2961 case XTerm_Pixmap:
2962 if (*str != ';') {
2963 #if XPM_BACKGROUND
2964 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2965 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2966 #endif
2967 R->scr_touch (true);
2968 }
2969 while ((str = STRCHR(str, ';')) != NULL) {
2970 str++;
2971 #if XPM_BACKGROUND
2972 changed += rxvt_scale_pixmap(aR_ str);
2973 #endif
2974 }
2975 if (changed) {
2976 #ifdef XPM_BACKGROUND
2977 rxvt_resize_pixmap(aR);
2978 #endif
2979 R->scr_touch (true);
2980 }
2981 break;
2982
2983 case XTerm_restoreFG:
2984 rxvt_set_window_color(aR_ Color_fg, str);
2985 break;
2986 case XTerm_restoreBG:
2987 rxvt_set_window_color(aR_ Color_bg, str);
2988 break;
2989 case XTerm_logfile:
2990 break;
2991 case XTerm_font:
2992 rxvt_change_font(aR_ 0, str);
2993 break;
2994 #if 0
2995 case XTerm_dumpscreen: /* no error notices */
2996 {
2997 int fd;
2998 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
2999 rxvt_scr_dump(aR_ fd);
3000 close(fd);
3001 }
3002 }
3003 break;
3004 #endif
3005 }
3006 }
3007 /*----------------------------------------------------------------------*/
3008
3009 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
3010 /*
3011 * mode can only have the following values:
3012 * 'l' = low
3013 * 'h' = high
3014 * 's' = save
3015 * 'r' = restore
3016 * 't' = toggle
3017 * so no need for fancy checking
3018 */
3019 /* INTPROTO */
3020 int
3021 rxvt_privcases(pR_ int mode, unsigned long bit)
3022 {
3023 int state;
3024
3025 if (mode == 's') {
3026 R->SavedModes |= (R->PrivateModes & bit);
3027 return -1;
3028 } else {
3029 if (mode == 'r')
3030 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */
3031 else
3032 state = (mode == 't') ? !(R->PrivateModes & bit) : mode;
3033 PrivMode(state, bit);
3034 }
3035 return state;
3036 }
3037
3038 /* we're not using priv _yet_ */
3039 /* INTPROTO */
3040 void
3041 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3042 {
3043 unsigned int i, j;
3044 int state;
3045 static const struct {
3046 const int argval;
3047 const unsigned long bit;
3048 } argtopriv[] = {
3049 { 1, PrivMode_aplCUR },
3050 { 2, PrivMode_vt52 },
3051 { 3, PrivMode_132 },
3052 { 4, PrivMode_smoothScroll },
3053 { 5, PrivMode_rVideo },
3054 { 6, PrivMode_relOrigin },
3055 { 7, PrivMode_Autowrap },
3056 { 9, PrivMode_MouseX10 },
3057 #ifdef menuBar_esc
3058 { menuBar_esc, PrivMode_menuBar },
3059 #endif
3060 #ifdef scrollBar_esc
3061 { scrollBar_esc, PrivMode_scrollBar },
3062 #endif
3063 { 25, PrivMode_VisibleCursor },
3064 { 35, PrivMode_ShiftKeys },
3065 { 40, PrivMode_132OK },
3066 { 47, PrivMode_Screen },
3067 { 66, PrivMode_aplKP },
3068 #ifndef NO_BACKSPACE_KEY
3069 { 67, PrivMode_BackSpace },
3070 #endif
3071 { 1000, PrivMode_MouseX11 },
3072 { 1010, PrivMode_TtyOutputInh },
3073 { 1011, PrivMode_Keypress },
3074 { 1047, PrivMode_Screen },
3075 };
3076
3077 if (nargs == 0)
3078 return;
3079
3080 /* make lo/hi boolean */
3081 if (mode == 'l')
3082 mode = 0; /* reset */
3083 else if (mode == 'h')
3084 mode = 1; /* set */
3085
3086 for (i = 0; i < nargs; i++) {
3087 state = -1;
3088
3089 /* basic handling */
3090 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3091 if (argtopriv[j].argval == arg[i]) {
3092 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3093 break;
3094 }
3095
3096 /* extra handling for values with state unkept */
3097 if (state == -1)
3098 switch (arg[i]) {
3099 case 1048: /* alternative cursor save */
3100 if (mode == 0)
3101 rxvt_scr_cursor(aR_ RESTORE);
3102 else if (mode == 1)
3103 rxvt_scr_cursor(aR_ SAVE);
3104 /* FALLTHROUGH */
3105 default:
3106 continue; /* for(;i;) */
3107 }
3108
3109 /* extra handling for values with valid 0 or 1 state */
3110 switch (arg[i]) {
3111 /* case 1: - application cursor keys */
3112 case 2: /* VT52 mode */
3113 /* oddball mode. should be set regardless of set/reset
3114 * parameter. Return from VT52 mode with an ESC < from
3115 * within VT52 mode
3116 */
3117 PrivMode(1, PrivMode_vt52);
3118 break;
3119 case 3: /* 80/132 */
3120 if (R->PrivateModes & PrivMode_132OK)
3121 rxvt_set_widthheight(aR_
3122 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3123 (unsigned int)R->TermWin.height);
3124 break;
3125 case 4: /* smooth scrolling */
3126 if (state)
3127 R->Options &= ~Opt_jumpScroll;
3128 else
3129 R->Options |= Opt_jumpScroll;
3130 break;
3131 case 5: /* reverse video */
3132 rxvt_scr_rvideo_mode(aR_ state);
3133 break;
3134 case 6: /* relative/absolute origins */
3135 rxvt_scr_relative_origin(aR_ state);
3136 break;
3137 case 7: /* autowrap */
3138 rxvt_scr_autowrap(aR_ state);
3139 break;
3140 /* case 8: - auto repeat, can't do on a per window basis */
3141 case 9: /* X10 mouse reporting */
3142 if (state) /* orthogonal */
3143 R->PrivateModes &= ~(PrivMode_MouseX11);
3144 break;
3145 #ifdef menuBar_esc
3146 case menuBar_esc:
3147 #ifdef MENUBAR
3148 rxvt_map_menuBar(aR_ state);
3149 #endif
3150 break;
3151 #endif
3152 #ifdef scrollBar_esc
3153 case scrollBar_esc:
3154 if (rxvt_scrollbar_mapping(aR_ state)) {
3155 R->resize_all_windows (0, 0, 0);
3156 R->scr_touch (true);
3157 }
3158 break;
3159 #endif
3160 case 25: /* visible/invisible cursor */
3161 rxvt_scr_cursor_visible(aR_ state);
3162 break;
3163 /* case 35: - shift keys */
3164 /* case 40: - 80 <--> 132 mode */
3165 case 47: /* secondary screen */
3166 rxvt_scr_change_screen(aR_ state);
3167 break;
3168 /* case 66: - application key pad */
3169 /* case 67: - backspace key */
3170 case 1000: /* X11 mouse reporting */
3171 if (state) /* orthogonal */
3172 R->PrivateModes &= ~(PrivMode_MouseX10);
3173 break;
3174 #if 0
3175 case 1001:
3176 break; /* X11 mouse highlighting */
3177 #endif
3178 case 1010: /* scroll to bottom on TTY output inhibit */
3179 if (state)
3180 R->Options &= ~Opt_scrollTtyOutput;
3181 else
3182 R->Options |= Opt_scrollTtyOutput;
3183 break;
3184 case 1011: /* scroll to bottom on key press */
3185 if (state)
3186 R->Options |= Opt_scrollTtyKeypress;
3187 else
3188 R->Options &= ~Opt_scrollTtyKeypress;
3189 break;
3190 case 1047: /* secondary screen w/ clearing */
3191 if (R->current_screen != PRIMARY)
3192 R->scr_erase_screen (2);
3193 rxvt_scr_change_screen(aR_ state);
3194 /* FALLTHROUGH */
3195 default:
3196 break;
3197 }
3198 }
3199 }
3200 /*}}} */
3201
3202 /*{{{ process sgr sequences */
3203 /* INTPROTO */
3204 void
3205 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3206 {
3207 unsigned int i;
3208 short rendset;
3209 int rendstyle;
3210
3211 if (nargs == 0) {
3212 rxvt_scr_rendition(aR_ 0, ~RS_None);
3213 return;
3214 }
3215 for (i = 0; i < nargs; i++) {
3216 rendset = -1;
3217 switch (arg[i]) {
3218 case 0:
3219 rendset = 0, rendstyle = ~RS_None;
3220 break;
3221 case 1:
3222 rendset = 1, rendstyle = RS_Bold;
3223 break;
3224 case 4:
3225 rendset = 1, rendstyle = RS_Uline;
3226 break;
3227 case 5:
3228 rendset = 1, rendstyle = RS_Blink;
3229 break;
3230 case 7:
3231 rendset = 1, rendstyle = RS_RVid;
3232 break;
3233 case 22:
3234 rendset = 0, rendstyle = RS_Bold;
3235 break;
3236 case 24:
3237 rendset = 0, rendstyle = RS_Uline;
3238 break;
3239 case 25:
3240 rendset = 0, rendstyle = RS_Blink;
3241 break;
3242 case 27:
3243 rendset = 0, rendstyle = RS_RVid;
3244 break;
3245 }
3246 if (rendset != -1) {
3247 rxvt_scr_rendition(aR_ rendset, rendstyle);
3248 continue; /* for(;i;) */
3249 }
3250
3251 switch (arg[i]) {
3252 case 30:
3253 case 31: /* set fg color */
3254 case 32:
3255 case 33:
3256 case 34:
3257 case 35:
3258 case 36:
3259 case 37:
3260 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3261 Color_fg);
3262 break;
3263 #ifdef TTY_256COLOR
3264 case 38:
3265 if (nargs > i + 2 && arg[i + 1] == 5) {
3266 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3267 Color_fg);
3268 i += 2;
3269 }
3270 break;
3271 #endif
3272 case 39: /* default fg */
3273 rxvt_scr_color(aR_ Color_fg, Color_fg);
3274 break;
3275
3276 case 40:
3277 case 41: /* set bg color */
3278 case 42:
3279 case 43:
3280 case 44:
3281 case 45:
3282 case 46:
3283 case 47:
3284 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3285 Color_bg);
3286 break;
3287 #ifdef TTY_256COLOR
3288 case 48:
3289 if (nargs > i + 2 && arg[i + 1] == 5) {
3290 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3291 Color_bg);
3292 i += 2;
3293 }
3294 break;
3295 #endif
3296 case 49: /* default bg */
3297 rxvt_scr_color(aR_ Color_bg, Color_bg);
3298 break;
3299
3300 #ifndef NO_BRIGHTCOLOR
3301 case 90:
3302 case 91: /* set bright fg color */
3303 case 92:
3304 case 93:
3305 case 94:
3306 case 95:
3307 case 96:
3308 case 97:
3309 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3310 Color_fg);
3311 break;
3312 case 100:
3313 case 101: /* set bright bg color */
3314 case 102:
3315 case 103:
3316 case 104:
3317 case 105:
3318 case 106:
3319 case 107:
3320 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3321 Color_bg);
3322 break;
3323 #endif
3324 }
3325 }
3326 }
3327 /*}}} */
3328
3329 /*{{{ process Rob Nation's own graphics mode sequences */
3330 /* INTPROTO */
3331 void
3332 rxvt_process_graphics(pR)
3333 {
3334 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3335
3336 #ifndef RXVT_GRAPHICS
3337 if (cmd == 'Q') { /* query graphics */
3338 R->tt_printf("\033G0\n"); /* no graphics */
3339 return;
3340 }
3341 /* swallow other graphics sequences until terminating ':' */
3342 do
3343 ch = rxvt_cmd_getc(aR);
3344 while (ch != ':');
3345 #else
3346 unsigned int nargs;
3347 int args[NGRX_PTS];
3348 unsigned char *text = NULL;
3349
3350 if (cmd == 'Q') { /* query graphics */
3351 R->tt_printf("\033G1\n"); /* yes, graphics (color) */
3352 return;
3353 }
3354 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3355 int neg;
3356
3357 ch = rxvt_cmd_getc(aR);
3358 neg = (ch == '-');
3359 if (neg || ch == '+')
3360 ch = rxvt_cmd_getc(aR);
3361
3362 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3363 args[nargs] = args[nargs] * 10 + (ch - '0');
3364 if (neg)
3365 args[nargs] = -args[nargs];
3366
3367 nargs++;
3368 args[nargs] = 0;
3369 if (ch != ';')
3370 break;
3371 }
3372
3373 if ((cmd == 'T') && (nargs >= 5)) {
3374 int i, len = args[4];
3375
3376 text = (unsigned char *)rxvt_malloc((len + 1) * sizeof(char));
3377
3378 if (text != NULL) {
3379 for (i = 0; i < len; i++)
3380 text[i] = rxvt_cmd_getc(aR);
3381 text[len] = '\0';
3382 }
3383 }
3384 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3385 #endif
3386 }
3387 /*}}} */
3388
3389 /* ------------------------------------------------------------------------- */
3390
3391 /*
3392 * Send printf() formatted output to the command.
3393 * Only use for small amounts of data.
3394 */
3395 void
3396 rxvt_term::tt_printf (const char *fmt,...)
3397 {
3398 va_list arg_ptr;
3399 unsigned char buf[256];
3400
3401 va_start (arg_ptr, fmt);
3402 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3403 va_end (arg_ptr);
3404 tt_write (buf, STRLEN (buf));
3405 }
3406
3407 /* ---------------------------------------------------------------------- */
3408 /* Write data to the pty as typed by the user, pasted with the mouse,
3409 * or generated by us in response to a query ESC sequence.
3410 */
3411 void
3412 rxvt_term::tt_write (const unsigned char *data, unsigned int len)
3413 {
3414 enum { MAX_PTY_WRITE = 255 }; // minimum MAX_INPUT
3415
3416 if (len)
3417 {
3418 if (v_buflen == 0)
3419 {
3420 int written = write (cmd_fd, data, min (MAX_PTY_WRITE, len));
3421 if (written == len)
3422 return;
3423
3424 data += written;
3425 len -= written;
3426 }
3427
3428
3429 v_buffer = (unsigned char *)realloc (v_buffer, v_buflen + len);
3430
3431 memcpy (v_buffer + v_buflen, data, len);
3432 v_buflen += len;
3433 }
3434
3435 for (;;)
3436 {
3437 int written = write (cmd_fd, v_buffer, min (MAX_PTY_WRITE, v_buflen));
3438
3439 if (written > 0)
3440 {
3441 v_buflen -= written;
3442
3443 if (v_buflen == 0)
3444 {
3445 free (v_buffer);
3446 v_buffer = 0;
3447 v_buflen = 0;
3448
3449 pty_ev.set (EVENT_READ);
3450 return;
3451 }
3452
3453 memmove (v_buffer, v_buffer + written, v_buflen);
3454 }
3455 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3456 // original code just ignores this...
3457 destroy ();
3458 else
3459 {
3460 pty_ev.set (EVENT_READ | EVENT_WRITE);
3461 return;
3462 }
3463 }
3464 }
3465
3466 /*----------------------- end-of-file (C source) -----------------------*/
3467