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Revision: 1.20
Committed: Thu Dec 18 07:31:18 2003 UTC (20 years, 4 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.19: +41 -55 lines
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File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.19 2003/12/18 05:45:11 pcg Exp $
5 *
6 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
10 * - extensive modifications
11 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
12 * - vt100 printing
13 * Copyright (c) 1995 Steven Hirsch <hirsch@emba.uvm.edu>
14 * - X11 mouse report mode and support for
15 * DEC "private mode" save/restore functions.
16 * Copyright (c) 1995 Jakub Jelinek <jj@gnu.ai.mit.edu>
17 * - key-related changes to handle Shift+function
18 * keys properly.
19 * Copyright (c) 1997 MJ Olesen <olesen@me.queensu.ca>
20 * - extensive modifications
21 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es>
22 * - modification and cleanups for Solaris 2.x
23 * and Linux 1.2.x
24 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
25 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
26 * - extensive modifications
27 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
28 * Copyright (c) 2001 Marius Gedminas
29 * - Ctrl/Mod4+Tab works like Meta+Tab (options)
30 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org>
31 *
32 * This program is free software; you can redistribute it and/or modify
33 * it under the terms of the GNU General Public License as published by
34 * the Free Software Foundation; either version 2 of the License, or
35 * (at your option) any later version.
36 *
37 * This program is distributed in the hope that it will be useful,
38 * but WITHOUT ANY WARRANTY; without even the implied warranty of
39 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
40 * GNU General Public License for more details.
41 *
42 * You should have received a copy of the GNU General Public License
43 * along with this program; if not, write to the Free Software
44 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 *----------------------------------------------------------------------*/
46
47 /*{{{ includes: */
48 #include "../config.h" /* NECESSARY */
49 #include "rxvt.h" /* NECESSARY */
50 #include "version.h"
51 #include "command.h"
52
53 #include <wchar.h>
54
55 /*----------------------------------------------------------------------*/
56
57 /*{{{ Convert the keypress event into a string */
58 /* INTPROTO */
59 void
60 rxvt_lookup_key(pR_ XKeyEvent *ev)
61 {
62 int ctrl, meta, shft, len;
63 unsigned int newlen;
64 KeySym keysym;
65 #ifdef DEBUG_CMD
66 static int debug_key = 1; /* accessible by a debugger only */
67 #endif
68 int valid_keysym;
69 unsigned char *kbuf = R->kbuf;
70
71 /*
72 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
73 * escape sequence to toggle the Keypad.
74 *
75 * Always permit `shift' to override the current setting
76 */
77 shft = (ev->state & ShiftMask);
78 ctrl = (ev->state & ControlMask);
79 meta = (ev->state & R->ModMetaMask);
80
81 if (R->numlock_state || (ev->state & R->ModNumLockMask))
82 {
83 R->numlock_state = (ev->state & R->ModNumLockMask);
84 PrivMode((!R->numlock_state), PrivMode_aplKP);
85 }
86
87 kbuf[0] = 0;
88
89 #ifdef USE_XIM
90 if (R->Input_Context)
91 {
92 Status status_return;
93
94 #ifdef X_HAVE_UTF8_STRING
95 if (R->enc_utf8)
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 rxvt_scr_clear (this);
685 rxvt_scr_touch (this, False);
686 want_refresh = 1;
687 }
688 #endif
689
690 if (want_refresh)
691 {
692 rxvt_scr_refresh (this, refresh_type);
693 rxvt_scrollbar_show (this, 1);
694 #ifdef USE_XIM
695 rxvt_IMSendSpot (this);
696 #endif
697 }
698
699 XFlush (Xdisplay);
700 #if 0
701 if (XPending (Xdisplay)) process_x_events ();
702 if (XPending (Xdisplay)) process_x_events ();
703 #endif
704 }
705
706 void
707 rxvt_term::check_cb (check_watcher &w)
708 {
709 SET_R (this);
710 SET_LOCALE (locale);
711
712 flush ();
713 }
714
715 void
716 rxvt_term::process_x_events ()
717 {
718 do
719 {
720 XEvent xev;
721
722 XNextEvent (Xdisplay, &xev);
723
724 #if defined(CURSOR_BLINK)
725 if ((Options & Opt_cursorBlink)
726 && xev.type == KeyPress)
727 {
728 if (hidden_cursor)
729 {
730 hidden_cursor = 0;
731 want_refresh = 1;
732 }
733
734 blink_ev.start (NOW + BLINK_INTERVAL);
735 }
736 #endif
737
738 #if defined(POINTER_BLANK)
739 if ((Options & Opt_pointerBlank)
740 && (pointerBlankDelay > 0))
741 {
742 if (xev.type == MotionNotify
743 || xev.type == ButtonPress
744 || xev.type == ButtonRelease)
745 if (hidden_pointer)
746 pointer_unblank ();
747
748 if (xev.type == KeyPress && hidden_pointer == 0)
749 pointer_blank ();
750 }
751 #endif
752
753 #ifdef USE_XIM
754 if (!XFilterEvent (&xev, xev.xany.window))
755 #endif
756 rxvt_process_x_event (this, &xev);
757 }
758 while (XPending (Xdisplay));
759 }
760
761 void
762 rxvt_term::blink_cb (time_watcher &w)
763 {
764 w.at += BLINK_INTERVAL;
765 hidden_cursor = !hidden_cursor;
766 want_refresh = 1;
767 }
768
769 void
770 rxvt_term::x_cb (io_watcher &w, short revents)
771 {
772 SET_R (this);
773 SET_LOCALE (locale);
774
775 process_x_events ();
776 }
777
778 bool
779 rxvt_term::pty_fill ()
780 {
781 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
782
783 memmove (cmdbuf_base, cmdbuf_ptr, n);
784 cmdbuf_ptr = cmdbuf_base;
785 cmdbuf_endp = cmdbuf_ptr + n;
786
787 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n);
788
789 if (n > 0)
790 {
791 cmdbuf_endp += n;
792 return true;
793 }
794 else if (n < 0 && errno != EAGAIN)
795 destroy ();
796
797 return false;
798 }
799
800 void
801 rxvt_term::pty_cb (io_watcher &w, short revents)
802 {
803 SET_R (this);
804 SET_LOCALE (locale);
805
806 if (revents & EVENT_WRITE)
807 tt_write (0, 0);
808 else if (revents & EVENT_READ)
809 {
810 bool flag = true;
811
812 // loop, but don't allow a single term to monopolize us
813 // the number of loops is fully arbitrary, and thus wrong
814 while (flag && pty_fill ())
815 {
816 if (!seen_input)
817 {
818 seen_input = 1;
819 /* once we know the shell is running, send the screen size. Again! */
820 tt_winch ();
821 }
822
823 uint32_t ch = NOCHAR;
824
825 for (;;)
826 {
827 if (ch == NOCHAR)
828 ch = next_char ();
829
830 if (ch == NOCHAR) // TODO: improve
831 break;
832
833 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
834 {
835 /* Read a text string from the input buffer */
836 uint32_t buf[BUFSIZ];
837 bool refreshnow = false;
838 int nlines = 0;
839 uint32_t *str = buf;
840
841 *str++ = ch;
842
843 for (;;)
844 {
845 ch = next_char ();
846
847 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
848 break;
849 else
850 {
851 *str++ = ch;
852
853 if (ch == '\n')
854 {
855 nlines++;
856 refresh_count++;
857
858 if (!(Options & Opt_jumpScroll)
859 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
860 {
861 refreshnow = true;
862 flag = false;
863 ch = NOCHAR;
864 break;
865 }
866 }
867
868 if (str >= buf + BUFSIZ)
869 {
870 ch = NOCHAR;
871 break;
872 }
873 }
874 }
875
876 rxvt_scr_add_lines (this, buf, nlines, str - buf);
877
878 /*
879 * If there have been a lot of new lines, then update the screen
880 * What the heck I'll cheat and only refresh less than every page-full.
881 * the number of pages between refreshes is refresh_limit, which
882 * is incremented here because we must be doing flat-out scrolling.
883 *
884 * refreshing should be correct for small scrolls, because of the
885 * time-out
886 */
887 if (refreshnow)
888 {
889 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
890 refresh_limit++;
891
892 rxvt_scr_refresh (this, refresh_type);
893 }
894
895 }
896 else
897 {
898 switch (ch)
899 {
900 default:
901 rxvt_process_nonprinting (this, ch);
902 break;
903 case C0_ESC: /* escape char */
904 rxvt_process_escape_seq (this);
905 break;
906 /*case 0x9b: */ /* CSI */
907 /* rxvt_process_csi_seq (this); */
908 }
909
910 ch = NOCHAR;
911 }
912 }
913 }
914 }
915 }
916
917 // read the next character, currently handles UTF-8
918 // will probably handle all sorts of other stuff in the future
919 uint32_t
920 rxvt_term::next_char ()
921 {
922 while (cmdbuf_ptr < cmdbuf_endp)
923 {
924 if (*cmdbuf_ptr < 0x80) // assume < 0x80 to be ascii ALWAYS (all shift-states etc.) uh-oh
925 return *cmdbuf_ptr++;
926
927 wchar_t wc;
928 int len = mbrtowc (&wc, (char *)cmdbuf_ptr, cmdbuf_endp - cmdbuf_ptr, &mbstate.mbs);
929
930 if (len == (size_t)-2)
931 return NOCHAR;
932
933 if (len == (size_t)-1)
934 return *cmdbuf_ptr++; // the _occasional_ latin1 character is allowed to slip through
935
936 // assume wchar == unicode
937 cmdbuf_ptr += len;
938 return wc;
939 }
940
941 return NOCHAR;
942 }
943
944 /* rxvt_cmd_getc() - Return next input character */
945 /*
946 * Return the next input character after first passing any keyboard input
947 * to the command.
948 */
949 /* INTPROTO */
950 uint32_t
951 rxvt_cmd_getc(pR)
952 {
953 for (;;)
954 {
955 uint32_t c = R->next_char ();
956 if (c != NOCHAR)
957 return c;
958
959 // incomplete sequences should occur rarely, still, a better solution
960 // would be preferred. either setjmp/longjmp or better design.
961 fcntl (R->cmd_fd, F_SETFL, 0);
962 R->pty_fill ();
963 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
964 }
965
966 #if 0
967 #define TIMEOUT_USEC 5000
968 fd_set readfds;
969 int quick_timeout, select_res;
970 int want_motion_time, want_keypress_time;
971 struct timeval value;
972 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
973 struct timeval tp;
974 #endif
975
976 for (;;) {
977 /* loop until we can return something */
978
979 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
980 R->tt_write(NULL, 0);
981
982 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
983 if (R->mouse_slip_wheel_speed) {
984 quick_timeout = 1;
985 if (!R->mouse_slip_wheel_delay--
986 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
987 abs(R->mouse_slip_wheel_speed))) {
988 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
989 R->refresh_type |= SMOOTH_REFRESH;
990 R->want_refresh = 1;
991 }
992 }
993 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
994 #ifdef SELECTION_SCROLLING
995 if (R->pending_scroll_selection) {
996 quick_timeout = 1;
997 if (!R->scroll_selection_delay--
998 && rxvt_scr_page(aR_ R->scroll_selection_dir,
999 R->scroll_selection_lines)) {
1000 rxvt_selection_extend(aR_ R->selection_save_x,
1001 R->selection_save_y, R->selection_save_state);
1002 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
1003 R->refresh_type |= SMOOTH_REFRESH;
1004 R->want_refresh = 1;
1005 }
1006 }
1007 #endif
1008 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1009 if (scrollbar_isUp() || scrollbar_isDn()) {
1010 quick_timeout = 1;
1011 if (!R->scroll_arrow_delay--
1012 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
1013 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
1014 R->refresh_type |= SMOOTH_REFRESH;
1015 R->want_refresh = 1;
1016 }
1017 }
1018 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1019
1020 #ifdef TRANSPARENT
1021 quick_timeout |= R->want_full_refresh;
1022 #endif
1023 #endif
1024 }
1025
1026 void
1027 rxvt_term::pointer_unblank ()
1028 {
1029 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1030 recolour_cursor ();
1031
1032 #ifdef POINTER_BLANK
1033 hidden_pointer = 0;
1034
1035 if (Options & Opt_pointerBlank)
1036 pointer_ev.start (NOW + pointerBlankDelay);
1037 #endif
1038 }
1039
1040 #ifdef POINTER_BLANK
1041 void
1042 rxvt_term::pointer_blank ()
1043 {
1044 pointer_ev.stop ();
1045
1046 if (!(Options & Opt_pointerBlank))
1047 return;
1048
1049 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1050 XFlush (Xdisplay);
1051
1052 hidden_pointer = 1;
1053 }
1054
1055 void
1056 rxvt_term::pointer_cb (time_watcher &w)
1057 {
1058 SET_R (this);
1059 SET_LOCALE (locale);
1060
1061 pointer_blank ();
1062 }
1063 #endif
1064
1065 /* INTPROTO */
1066 void
1067 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1068 {
1069 int button_number, key_state = 0;
1070 int x, y;
1071
1072 x = ev->x;
1073 y = ev->y;
1074 rxvt_pixel_position(aR_ &x, &y);
1075
1076 if (R->MEvent.button == AnyButton) {
1077 button_number = 3;
1078 } else {
1079 button_number = R->MEvent.button - Button1;
1080 /* add 0x3D for wheel events, like xterm does */
1081 if (button_number >= 3)
1082 button_number += (64 - 3);
1083 }
1084
1085 if (R->PrivateModes & PrivMode_MouseX10) {
1086 /*
1087 * do not report ButtonRelease
1088 * no state info allowed
1089 */
1090 key_state = 0;
1091 if (button_number == 3)
1092 return;
1093 } else {
1094 /* XTerm mouse reporting needs these values:
1095 * 4 = Shift
1096 * 8 = Meta
1097 * 16 = Control
1098 * plus will add in our own Double-Click reporting
1099 * 32 = Double Click
1100 */
1101 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1102 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1103 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1104 #ifdef MOUSE_REPORT_DOUBLECLICK
1105 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1106 #endif
1107 }
1108
1109 #ifdef DEBUG_MOUSEREPORT
1110 fprintf(stderr, "Mouse [");
1111 if (key_state & 16)
1112 fputc('C', stderr);
1113 if (key_state & 4)
1114 fputc('S', stderr);
1115 if (key_state & 8)
1116 fputc('A', stderr);
1117 if (key_state & 32)
1118 fputc('2', stderr);
1119 fprintf(stderr, "]: <%d>, %d/%d\n",
1120 button_number,
1121 x + 1,
1122 y + 1);
1123 #else
1124 R->tt_printf("\033[M%c%c%c",
1125 (32 + button_number + key_state),
1126 (32 + x + 1),
1127 (32 + y + 1));
1128 #endif
1129 }
1130
1131 #ifdef USING_W11LIB
1132 /* EXTPROTO */
1133 void
1134 rxvt_W11_process_x_event(XEvent *ev)
1135 {
1136 rxvt_t *r = rxvt_get_r();
1137
1138 rxvt_process_x_event(aR_ ev);
1139 }
1140 #endif
1141
1142 /*{{{ process an X event */
1143 /* INTPROTO */
1144 void
1145 rxvt_process_x_event(pR_ XEvent *ev)
1146 {
1147 int i, want_timeout;
1148 Window unused_root, unused_child;
1149 int unused_root_x, unused_root_y;
1150 unsigned int unused_mask;
1151
1152 #ifdef DEBUG_X
1153 const char *const eventnames[] =
1154 { /* mason - this matches my system */
1155 "",
1156 "",
1157 "KeyPress",
1158 "KeyRelease",
1159 "ButtonPress",
1160 "ButtonRelease",
1161 "MotionNotify",
1162 "EnterNotify",
1163 "LeaveNotify",
1164 "FocusIn",
1165 "FocusOut",
1166 "KeymapNotify",
1167 "Expose",
1168 "GraphicsExpose",
1169 "NoExpose",
1170 "VisibilityNotify",
1171 "CreateNotify",
1172 "DestroyNotify",
1173 "UnmapNotify",
1174 "MapNotify",
1175 "MapRequest",
1176 "ReparentNotify",
1177 "ConfigureNotify",
1178 "ConfigureRequest",
1179 "GravityNotify",
1180 "ResizeRequest",
1181 "CirculateNotify",
1182 "CirculateRequest",
1183 "PropertyNotify",
1184 "SelectionClear",
1185 "SelectionRequest",
1186 "SelectionNotify",
1187 "ColormapNotify",
1188 "ClientMessage",
1189 "MappingNotify"
1190 };
1191 #endif
1192
1193 #ifdef DEBUG_X
1194 struct timeval tp;
1195 struct tm *ltt;
1196 (void)gettimeofday(&tp, NULL);
1197 ltt = localtime(&(tp.tv_sec));
1198 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));
1199 #endif
1200
1201 switch (ev->type) {
1202 case KeyPress:
1203 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1204 break;
1205
1206 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1207 case KeyRelease:
1208 {
1209 if (!(ev->xkey.state & ControlMask))
1210 R->mouse_slip_wheel_speed = 0;
1211 else {
1212 KeySym ks;
1213
1214 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1215 if (ks == XK_Control_L || ks == XK_Control_R)
1216 R->mouse_slip_wheel_speed = 0;
1217 }
1218 break;
1219 }
1220 #endif
1221
1222 case ButtonPress:
1223 rxvt_button_press(aR_ (XButtonEvent *)ev);
1224 break;
1225
1226 case ButtonRelease:
1227 rxvt_button_release(aR_ (XButtonEvent *)ev);
1228 break;
1229
1230 case ClientMessage:
1231 if (ev->xclient.format == 32
1232 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1233 R->destroy ();
1234 #ifdef OFFIX_DND
1235 /* OffiX Dnd (drag 'n' drop) protocol */
1236 else if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1237 && (ev->xclient.data.l[0] == DndFile
1238 || ev->xclient.data.l[0] == DndDir
1239 || ev->xclient.data.l[0] == DndLink)) {
1240 /* Get Dnd data */
1241 Atom ActualType;
1242 int ActualFormat;
1243 unsigned char *data;
1244 unsigned long Size, RemainingBytes;
1245
1246 XGetWindowProperty(R->Xdisplay, Xroot,
1247 R->xa[XA_DNDSELECTION],
1248 0L, 1000000L,
1249 False, AnyPropertyType,
1250 &ActualType, &ActualFormat,
1251 &Size, &RemainingBytes,
1252 &data);
1253 XChangeProperty(R->Xdisplay, Xroot,
1254 XA_CUT_BUFFER0, XA_STRING,
1255 8, PropModeReplace,
1256 data, STRLEN(data));
1257 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1258 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1259 }
1260 #endif /* OFFIX_DND */
1261 break;
1262
1263 case MappingNotify:
1264 XRefreshKeyboardMapping(&(ev->xmapping));
1265 break;
1266
1267 /*
1268 * XXX: this is not the _current_ arrangement
1269 * Here's my conclusion:
1270 * If the window is completely unobscured, use bitblt's
1271 * to scroll. Even then, they're only used when doing partial
1272 * screen scrolling. When partially obscured, we have to fill
1273 * in the GraphicsExpose parts, which means that after each refresh,
1274 * we need to wait for the graphics expose or Noexpose events,
1275 * which ought to make things real slow!
1276 */
1277 case VisibilityNotify:
1278 switch (ev->xvisibility.state)
1279 {
1280 case VisibilityUnobscured:
1281 R->refresh_type = FAST_REFRESH;
1282 break;
1283 case VisibilityPartiallyObscured:
1284 R->refresh_type = SLOW_REFRESH;
1285 break;
1286 default:
1287 R->refresh_type = NO_REFRESH;
1288 break;
1289 }
1290 break;
1291
1292 case FocusIn:
1293 if (!R->TermWin.focus) {
1294 R->TermWin.focus = 1;
1295 R->want_refresh = 1;
1296 #ifdef USE_XIM
1297 if (R->Input_Context != NULL)
1298 XSetICFocus(R->Input_Context);
1299 #endif
1300 #ifdef CURSOR_BLINK
1301 if (R->Options & Opt_cursorBlink)
1302 R->blink_ev.start (NOW + BLINK_INTERVAL);
1303 #endif
1304 }
1305 break;
1306
1307 case FocusOut:
1308 if (R->TermWin.focus) {
1309 R->TermWin.focus = 0;
1310 R->want_refresh = 1;
1311 #ifdef USE_XIM
1312 if (R->Input_Context != NULL)
1313 XUnsetICFocus(R->Input_Context);
1314 #endif
1315 #ifdef CURSOR_BLINK
1316 if (R->Options & Opt_cursorBlink)
1317 R->blink_ev.stop ();
1318 R->hidden_cursor = 0;
1319 #endif
1320 }
1321 break;
1322
1323 case ConfigureNotify:
1324 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1325 int height, width;
1326
1327 do { /* Wrap lots of configures into one */
1328 width = ev->xconfigure.width;
1329 height = ev->xconfigure.height;
1330 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1331 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1332 ConfigureNotify, ev));
1333 if (R->szHint.width != width || R->szHint.height != height) {
1334 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1335 rxvt_resize_all_windows(aR_ (unsigned int)width,
1336 (unsigned int)height, 1);
1337 }
1338 #ifdef DEBUG_SIZE
1339 else {
1340 D_SIZE((stderr, "Size: Not resizing"));
1341 }
1342 #endif
1343 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1344 if (R->Options & Opt_transparent) {
1345 rxvt_check_our_parents(aR);
1346 if (R->am_transparent)
1347 R->want_full_refresh = 1;
1348 }
1349 #endif
1350 }
1351 break;
1352
1353 case SelectionClear:
1354 rxvt_selection_clear(aR);
1355 break;
1356
1357 case SelectionNotify:
1358 if (R->selection_wait == Sel_normal)
1359 rxvt_selection_paste(aR_ ev->xselection.requestor,
1360 ev->xselection.property, True);
1361 break;
1362
1363 case SelectionRequest:
1364 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1365 break;
1366
1367 case UnmapNotify:
1368 R->TermWin.mapped = 0;
1369 break;
1370
1371 case MapNotify:
1372 R->TermWin.mapped = 1;
1373 break;
1374
1375 case PropertyNotify:
1376 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1377 if (ev->xproperty.state == PropertyNewValue)
1378 rxvt_selection_property(aR_ ev->xproperty.window,
1379 ev->xproperty.atom);
1380 break;
1381 }
1382 #ifdef TRANSPARENT
1383 /*
1384 * if user used some Esetroot compatible prog to set the root bg,
1385 * use the property to determine the pixmap. We use it later on.
1386 */
1387 if (R->xa[XA_XROOTPMAPID] == 0)
1388 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1389 "_XROOTPMAP_ID", False);
1390 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1391 break;
1392 /* FALLTHROUGH */
1393 case ReparentNotify:
1394 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1395 if (R->am_transparent)
1396 R->want_full_refresh = 1;
1397 }
1398 #endif /* TRANSPARENT */
1399 break;
1400
1401 case GraphicsExpose:
1402 case Expose:
1403 if (ev->xany.window == R->TermWin.vt) {
1404 #ifdef NO_SLOW_LINK_SUPPORT
1405 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1406 ev->xexpose.width, ev->xexpose.height, False);
1407 #else
1408 // don't understand this, so commented it out
1409 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1410 ev->xexpose.width, ev->xexpose.height, False);
1411 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1412 // ev->xexpose.width, R->TermWin.height, False);
1413 #endif
1414 R->want_refresh = 1;
1415 } else {
1416 XEvent unused_xevent;
1417
1418 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1419 Expose,
1420 &unused_xevent)) ;
1421 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1422 GraphicsExpose,
1423 &unused_xevent)) ;
1424 if (isScrollbarWindow(ev->xany.window)) {
1425 R->scrollBar.setIdle();
1426 rxvt_scrollbar_show(aR_ 0);
1427 }
1428 #ifdef MENUBAR
1429 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1430 rxvt_menubar_expose(aR);
1431 #endif
1432 #ifdef RXVT_GRAPHICS
1433 rxvt_Gr_expose(aR_ ev->xany.window);
1434 #endif
1435 }
1436 break;
1437
1438 case MotionNotify:
1439 #ifdef POINTER_BLANK
1440 if (R->hidden_pointer)
1441 R->pointer_unblank ();
1442 #endif
1443 #if MENUBAR
1444 if (isMenuBarWindow(ev->xany.window)) {
1445 rxvt_menubar_control(aR_ &(ev->xbutton));
1446 break;
1447 }
1448 #endif
1449 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1450 break;
1451
1452 if (ev->xany.window == R->TermWin.vt) {
1453 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1454 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1455 MotionNotify, ev)) ;
1456 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1457 &unused_root, &unused_child,
1458 &unused_root_x, &unused_root_y,
1459 &(ev->xbutton.x), &(ev->xbutton.y),
1460 &unused_mask);
1461 #ifdef MOUSE_THRESHOLD
1462 /* deal with a `jumpy' mouse */
1463 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1464 #endif
1465 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1466 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1467 #ifdef SELECTION_SCROLLING
1468 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1469 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1470 int dist;
1471
1472 R->pending_scroll_selection=1;
1473
1474 /* don't clobber the current delay if we are
1475 * already in the middle of scrolling.
1476 */
1477 if (R->scroll_selection_delay<=0)
1478 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1479
1480 /* save the event params so we can highlight
1481 * the selection in the pending-scroll loop
1482 */
1483 R->selection_save_x=ev->xbutton.x;
1484 R->selection_save_y=ev->xbutton.y;
1485 R->selection_save_state=
1486 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1487
1488 /* calc number of lines to scroll */
1489 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1490 R->scroll_selection_dir = UP;
1491 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1492 }
1493 else {
1494 R->scroll_selection_dir = DN;
1495 dist = ev->xbutton.y -
1496 (R->TermWin.int_bwidth + R->TermWin.height);
1497 }
1498 R->scroll_selection_lines=(Pixel2Height(dist)/
1499 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1500 MIN_IT(R->scroll_selection_lines,
1501 SELECTION_SCROLL_MAX_LINES);
1502 }
1503 else {
1504 /* we are within the text window, so we
1505 * shouldn't be scrolling
1506 */
1507 R->pending_scroll_selection = 0;
1508 }
1509 #endif
1510 #ifdef MOUSE_THRESHOLD
1511 }
1512 #endif
1513 }
1514 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1515 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1516 MotionNotify, ev)) ;
1517 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1518 &unused_root, &unused_child,
1519 &unused_root_x, &unused_root_y,
1520 &(ev->xbutton.x), &(ev->xbutton.y),
1521 &unused_mask);
1522 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1523 scrollbar_size());
1524 rxvt_scr_refresh(aR_ R->refresh_type);
1525 R->refresh_limit = 0;
1526 rxvt_scrollbar_show(aR_ 1);
1527 }
1528 break;
1529 }
1530 }
1531
1532 /* INTPROTO */
1533 void
1534 rxvt_button_press(pR_ XButtonEvent *ev)
1535 {
1536 int reportmode = 0, clickintime;
1537
1538 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1539 if (!R->bypass_keystate)
1540 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1541 /*
1542 * VT window processing of button press
1543 */
1544 if (ev->window == R->TermWin.vt)
1545 {
1546 #if RXVT_GRAPHICS
1547 if (ev->subwindow != None)
1548 rxvt_Gr_ButtonPress (ev->x, ev->y);
1549 else
1550 #endif
1551 {
1552 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1553 if (reportmode)
1554 {
1555 /* mouse report from vt window */
1556 /* save the xbutton state (for ButtonRelease) */
1557 R->MEvent.state = ev->state;
1558 #ifdef MOUSE_REPORT_DOUBLECLICK
1559 if (ev->button == R->MEvent.button && clickintime)
1560 {
1561 /* same button, within alloted time */
1562 R->MEvent.clicks++;
1563 if (R->MEvent.clicks > 1)
1564 {
1565 /* only report double clicks */
1566 R->MEvent.clicks = 2;
1567 rxvt_mouse_report(aR_ ev);
1568
1569 /* don't report the release */
1570 R->MEvent.clicks = 0;
1571 R->MEvent.button = AnyButton;
1572 }
1573 }
1574 else
1575 {
1576 /* different button, or time expired */
1577 R->MEvent.clicks = 1;
1578 R->MEvent.button = ev->button;
1579 rxvt_mouse_report(aR_ ev);
1580 }
1581 #else
1582 R->MEvent.button = ev->button;
1583 rxvt_mouse_report(aR_ ev);
1584 #endif /* MOUSE_REPORT_DOUBLECLICK */
1585 }
1586 else
1587 {
1588 if (ev->button != R->MEvent.button)
1589 R->MEvent.clicks = 0;
1590 switch (ev->button)
1591 {
1592 case Button1:
1593 if (R->MEvent.button == Button1 && clickintime)
1594 R->MEvent.clicks++;
1595 else
1596 R->MEvent.clicks = 1;
1597 rxvt_selection_click(aR_ R->MEvent.clicks, ev->x, ev->y);
1598 R->MEvent.button = Button1;
1599 break;
1600
1601 case Button3:
1602 if (R->MEvent.button == Button3 && clickintime)
1603 rxvt_selection_rotate(aR_ ev->x, ev->y);
1604 else
1605 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1606 R->MEvent.button = Button3;
1607 break;
1608 }
1609 }
1610 R->MEvent.time = ev->time;
1611 return;
1612 }
1613 }
1614
1615 /*
1616 * Scrollbar window processing of button press
1617 */
1618 if (isScrollbarWindow(ev->window))
1619 {
1620 R->scrollBar.setIdle ();
1621 /*
1622 * Rxvt-style scrollbar:
1623 * move up if mouse is above slider
1624 * move dn if mouse is below slider
1625 *
1626 * XTerm-style scrollbar:
1627 * Move display proportional to pointer location
1628 * pointer near top -> scroll one line
1629 * pointer near bot -> scroll full page
1630 */
1631 #ifndef NO_SCROLLBAR_REPORT
1632 if (reportmode) {
1633 /*
1634 * Mouse report disabled scrollbar:
1635 * arrow buttons - send up/down
1636 * click on scrollbar - send pageup/down
1637 */
1638 if ((R->scrollBar.style == R_SB_NEXT
1639 && scrollbarnext_upButton(ev->y))
1640 || (R->scrollBar.style == R_SB_RXVT
1641 && scrollbarrxvt_upButton(ev->y)))
1642 R->tt_printf("\033[A");
1643 else if ((R->scrollBar.style == R_SB_NEXT
1644 && scrollbarnext_dnButton(ev->y))
1645 || (R->scrollBar.style == R_SB_RXVT
1646 && scrollbarrxvt_dnButton(ev->y)))
1647 R->tt_printf("\033[B");
1648 else
1649 switch (ev->button) {
1650 case Button2:
1651 R->tt_printf("\014");
1652 break;
1653 case Button1:
1654 R->tt_printf("\033[6~");
1655 break;
1656 case Button3:
1657 R->tt_printf("\033[5~");
1658 break;
1659 }
1660 }
1661 else
1662 #endif /* NO_SCROLLBAR_REPORT */
1663 {
1664 char upordown = 0;
1665
1666 if (R->scrollBar.style == R_SB_NEXT) {
1667 if (scrollbarnext_upButton(ev->y))
1668 upordown = -1; /* up */
1669 else if (scrollbarnext_dnButton(ev->y))
1670 upordown = 1; /* down */
1671 } else if (R->scrollBar.style == R_SB_RXVT) {
1672 if (scrollbarrxvt_upButton(ev->y))
1673 upordown = -1; /* up */
1674 else if (scrollbarrxvt_dnButton(ev->y))
1675 upordown = 1; /* down */
1676 }
1677 if (upordown) {
1678 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1679 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1680 #endif
1681 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1682 if (upordown < 0)
1683 R->scrollBar.setUp ();
1684 else
1685 R->scrollBar.setDn ();
1686 }
1687 } else
1688 switch (ev->button) {
1689 case Button2:
1690 switch (R->scrollbar_align) {
1691 case R_SB_ALIGN_TOP:
1692 R->csrO = 0;
1693 break;
1694 case R_SB_ALIGN_CENTRE:
1695 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1696 break;
1697 case R_SB_ALIGN_BOTTOM:
1698 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1699 break;
1700 }
1701 if (R->scrollBar.style == R_SB_XTERM
1702 || scrollbar_above_slider(ev->y)
1703 || scrollbar_below_slider(ev->y))
1704 rxvt_scr_move_to(aR_
1705 scrollbar_position(ev->y) - R->csrO,
1706 scrollbar_size());
1707 R->scrollBar.setMotion ();
1708 break;
1709
1710 case Button1:
1711 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1712 R->csrO = ev->y - R->scrollBar.top;
1713 /* FALLTHROUGH */
1714
1715 case Button3:
1716 if (R->scrollBar.style != R_SB_XTERM) {
1717 if (scrollbar_above_slider(ev->y))
1718 # ifdef RXVT_SCROLL_FULL
1719 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1720 # else
1721 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1722 # endif
1723 else if (scrollbar_below_slider(ev->y))
1724 # ifdef RXVT_SCROLL_FULL
1725 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1726 # else
1727 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1728 # endif
1729 else
1730 R->scrollBar.setMotion ();
1731 } else {
1732 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1733 (R->TermWin.nrow
1734 * scrollbar_position(ev->y)
1735 / scrollbar_size()));
1736 }
1737 break;
1738 }
1739 }
1740 return;
1741 }
1742 #if MENUBAR
1743 /*
1744 * Menubar window processing of button press
1745 */
1746 if (isMenuBarWindow(ev->window))
1747 rxvt_menubar_control(aR_ ev);
1748 #endif
1749 }
1750
1751 /* INTPROTO */
1752 void
1753 rxvt_button_release(pR_ XButtonEvent *ev)
1754 {
1755 int reportmode = 0;
1756
1757 R->csrO = 0; /* reset csr Offset */
1758 if (!R->bypass_keystate)
1759 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1760
1761 if (scrollbar_isUpDn()) {
1762 R->scrollBar.setIdle ();
1763 rxvt_scrollbar_show(aR_ 0);
1764 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1765 R->refresh_type &= ~SMOOTH_REFRESH;
1766 #endif
1767 }
1768 #ifdef SELECTION_SCROLLING
1769 R->pending_scroll_selection=0;
1770 #endif
1771 if (ev->window == R->TermWin.vt)
1772 {
1773 #ifdef RXVT_GRAPHICS
1774 if (ev->subwindow != None)
1775 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1776 else
1777 #endif
1778 {
1779 if (reportmode)
1780 {
1781 /* mouse report from vt window */
1782 /* don't report release of wheel "buttons" */
1783 if (ev->button >= 4)
1784 return;
1785 #ifdef MOUSE_REPORT_DOUBLECLICK
1786 /* only report the release of 'slow' single clicks */
1787 if (R->MEvent.button != AnyButton
1788 && (ev->button != R->MEvent.button
1789 || (ev->time - R->MEvent.time
1790 > MULTICLICK_TIME / 2)))
1791 {
1792 R->MEvent.clicks = 0;
1793 R->MEvent.button = AnyButton;
1794 rxvt_mouse_report(aR_ ev);
1795 }
1796 #else /* MOUSE_REPORT_DOUBLECLICK */
1797 R->MEvent.button = AnyButton;
1798 rxvt_mouse_report(aR_ ev);
1799 #endif /* MOUSE_REPORT_DOUBLECLICK */
1800 return;
1801 }
1802 /*
1803 * dumb hack to compensate for the failure of click-and-drag
1804 * when overriding mouse reporting
1805 */
1806 if (R->PrivateModes & PrivMode_mouse_report
1807 && R->bypass_keystate
1808 && ev->button == Button1 && R->MEvent.clicks <= 1)
1809 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1810
1811 switch (ev->button) {
1812 case Button1:
1813 case Button3:
1814 rxvt_selection_make(aR_ ev->time);
1815 break;
1816 case Button2:
1817 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1818 break;
1819 #ifdef MOUSE_WHEEL
1820 case Button4:
1821 case Button5:
1822 {
1823 int i;
1824 page_dirn v;
1825
1826 v = (ev->button == Button4) ? UP : DN;
1827 if (ev->state & ShiftMask)
1828 i = 1;
1829 else if ((R->Options & Opt_mouseWheelScrollPage))
1830 i = R->TermWin.nrow - 1;
1831 else
1832 i = 5;
1833 # ifdef MOUSE_SLIP_WHEELING
1834 if (ev->state & ControlMask)
1835 {
1836 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1837 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1838 }
1839 # endif
1840 # ifdef JUMP_MOUSE_WHEEL
1841 rxvt_scr_page(aR_ v, i);
1842 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1843 rxvt_scrollbar_show(aR_ 1);
1844 # else
1845 for (; i--;)
1846 {
1847 rxvt_scr_page(aR_ v, 1);
1848 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1849 rxvt_scrollbar_show(aR_ 1);
1850 }
1851 # endif
1852 }
1853 break;
1854 #endif
1855 }
1856 }
1857 }
1858 #ifdef MENUBAR
1859 else if (isMenuBarWindow(ev->window))
1860 rxvt_menubar_control(aR_ ev);
1861 #endif
1862 }
1863
1864
1865 #ifdef TRANSPARENT
1866 /*
1867 * Check our parents are still who we think they are.
1868 * Do transparency updates if required
1869 */
1870 /* EXTPROTO */
1871 int
1872 rxvt_check_our_parents(pR)
1873 {
1874 int i, pchanged, aformat, have_pixmap, rootdepth;
1875 unsigned long nitems, bytes_after;
1876 Atom atype;
1877 unsigned char *prop = NULL;
1878 Window root, oldp, *list;
1879 Pixmap rootpixmap = None;
1880 XWindowAttributes wattr, wrootattr;
1881
1882 pchanged = 0;
1883
1884 if (!(R->Options & Opt_transparent))
1885 return pchanged; /* Don't try any more */
1886
1887 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1888 rootdepth = wrootattr.depth;
1889
1890 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1891 if (rootdepth != wattr.depth) {
1892 if (R->am_transparent) {
1893 pchanged = 1;
1894 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1895 R->PixColors[Color_bg]);
1896 R->am_transparent = R->am_pixmap_trans = 0;
1897 }
1898 return pchanged; /* Don't try any more */
1899 }
1900
1901 /* Get all X ops out of the queue so that our information is up-to-date. */
1902 XSync(R->Xdisplay, False);
1903
1904 /*
1905 * Make the frame window set by the window manager have
1906 * the root background. Some window managers put multiple nested frame
1907 * windows for each client, so we have to take care about that.
1908 */
1909 i = (R->xa[XA_XROOTPMAPID] != 0
1910 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1911 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1912 &nitems, &bytes_after, &prop) == Success));
1913 if (!i || prop == NULL)
1914 have_pixmap = 0;
1915 else {
1916 have_pixmap = 1;
1917 rootpixmap = *((Pixmap *)prop);
1918 XFree(prop);
1919 }
1920 if (have_pixmap) {
1921 /*
1922 * Copy Xroot pixmap transparency
1923 */
1924 int sx, sy, nx, ny;
1925 unsigned int nw, nh;
1926 Window cr;
1927 XImage *image;
1928 GC gc;
1929 XGCValues gcvalue;
1930
1931 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1932 0, 0, &sx, &sy, &cr);
1933 nw = (unsigned int)R->szHint.width;
1934 nh = (unsigned int)R->szHint.height;
1935 nx = ny = 0;
1936 if (sx < 0) {
1937 nw += sx;
1938 nx = -sx;
1939 sx = 0;
1940 }
1941 if (sy < 0) {
1942 nh += sy;
1943 ny = -sy;
1944 sy = 0;
1945 }
1946 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1947 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1948 R->allowedxerror = -1;
1949 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1950 ZPixmap);
1951 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1952 /* XXX: may need a delay here? */
1953 R->allowedxerror = 0;
1954 if (image == NULL) {
1955 if (R->am_transparent && R->am_pixmap_trans) {
1956 pchanged = 1;
1957 if (R->TermWin.pixmap != None) {
1958 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1959 R->TermWin.pixmap = None;
1960 }
1961 }
1962 R->am_pixmap_trans = 0;
1963 } else {
1964 if (R->TermWin.pixmap != None)
1965 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1966 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1967 (unsigned int)R->szHint.width,
1968 (unsigned int)R->szHint.height,
1969 (unsigned int)image->depth);
1970 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1971 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1972 nx, ny, (unsigned int)image->width,
1973 (unsigned int)image->height);
1974 XFreeGC(R->Xdisplay, gc);
1975 XDestroyImage(image);
1976 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
1977 R->TermWin.pixmap);
1978 if (!R->am_transparent || !R->am_pixmap_trans)
1979 pchanged = 1;
1980 R->am_transparent = R->am_pixmap_trans = 1;
1981 }
1982 }
1983 if (!R->am_pixmap_trans) {
1984 unsigned int n;
1985 /*
1986 * InheritPixmap transparency
1987 */
1988 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
1989 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
1990 i++) {
1991 oldp = R->TermWin.parent[i];
1992 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
1993 &R->TermWin.parent[i], &list, &n);
1994 XFree(list);
1995 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
1996 if (R->TermWin.parent[i] == Xroot) {
1997 if (oldp != None)
1998 pchanged = 1;
1999 break;
2000 }
2001 if (oldp != R->TermWin.parent[i])
2002 pchanged = 1;
2003 }
2004 n = 0;
2005 if (pchanged) {
2006 for (; n < (unsigned int)i; n++) {
2007 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2008 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2009 if (wattr.depth != rootdepth || wattr.c_class == InputOnly) {
2010 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2011 break;
2012 }
2013 }
2014 }
2015 if (n > (int)(sizeof(R->TermWin.parent)
2016 / sizeof(R->TermWin.parent[0]))) {
2017 D_X((stderr, "InheritPixmap Turning off"));
2018 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2019 R->PixColors[Color_fg]);
2020 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2021 R->PixColors[Color_bg]);
2022 R->am_transparent = 0;
2023 /* XXX: also turn off Opt_transparent? */
2024 } else {
2025 /* wait (an arbitrary period) for the WM to do its thing
2026 * needed for fvwm2.2.2 (and before?) */
2027 # ifdef HAVE_NANOSLEEP
2028 struct timespec rqt;
2029
2030 rqt.tv_sec = 1;
2031 rqt.tv_nsec = 0;
2032 nanosleep(&rqt, NULL);
2033 # else
2034 sleep(1);
2035 # endif
2036 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2037 for (n = 0; n < (unsigned int)i; n++)
2038 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2039 ParentRelative);
2040 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2041 ParentRelative);
2042 R->am_transparent = 1;
2043 }
2044 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2045 R->TermWin.parent[i] = None;
2046 }
2047 return pchanged;
2048 }
2049 #endif
2050
2051 /*}}} */
2052
2053 /*{{{ print pipe */
2054 /*----------------------------------------------------------------------*/
2055 #ifdef PRINTPIPE
2056 /* EXTPROTO */
2057 FILE *
2058 rxvt_popen_printer(pR)
2059 {
2060 FILE *stream = popen(R->rs[Rs_print_pipe], "w");
2061
2062 if (stream == NULL)
2063 rxvt_print_error("can't open printer pipe");
2064 return stream;
2065 }
2066
2067 /* EXTPROTO */
2068 int
2069 rxvt_pclose_printer (FILE *stream)
2070 {
2071 fflush (stream);
2072 /* pclose() reported not to work on SunOS 4.1.3 */
2073 # if defined (__sun__) /* TODO: RESOLVE THIS */
2074 /* pclose works provided SIGCHLD handler uses waitpid */
2075 return pclose (stream); /* return fclose (stream); */
2076 # else
2077 return pclose (stream);
2078 # endif
2079 }
2080
2081 /*
2082 * simulate attached vt100 printer
2083 */
2084 /* INTPROTO */
2085 void
2086 rxvt_process_print_pipe(pR)
2087 {
2088 int done;
2089 FILE *fd;
2090
2091 if ((fd = rxvt_popen_printer(aR)) == NULL)
2092 return;
2093
2094 /*
2095 * Send all input to the printer until either ESC[4i or ESC[?4i
2096 * is received.
2097 */
2098 for (done = 0; !done;) {
2099 unsigned char buf[8];
2100 unsigned char ch;
2101 unsigned int i, len;
2102
2103 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2104 if (putc(ch, fd) == EOF)
2105 break; /* done = 1 */
2106 } else {
2107 len = 0;
2108 buf[len++] = ch;
2109
2110 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2111 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2112 buf[len++] = '?';
2113 ch = rxvt_cmd_getc(aR);
2114 }
2115 if ((buf[len++] = ch) == '4') {
2116 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2117 break; /* done = 1 */
2118 }
2119 }
2120 for (i = 0; i < len; i++)
2121 if (putc(buf[i], fd) == EOF) {
2122 done = 1;
2123 break;
2124 }
2125 }
2126 }
2127 rxvt_pclose_printer(fd);
2128 }
2129 #endif /* PRINTPIPE */
2130 /*}}} */
2131
2132 /* *INDENT-OFF* */
2133 enum {
2134 C1_40 = 0x40,
2135 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2136 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2137 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2138 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2139 };
2140 /* *INDENT-ON* */
2141
2142 /*{{{ process non-printing single characters */
2143 /* INTPROTO */
2144 void
2145 rxvt_process_nonprinting(pR_ unsigned char ch)
2146 {
2147 switch (ch) {
2148 case C0_ENQ: /* terminal Status */
2149 if (R->rs[Rs_answerbackstring])
2150 R->tt_write(
2151 (const unsigned char *)R->rs[Rs_answerbackstring],
2152 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2153 else
2154 R->tt_write((unsigned char *)VT100_ANS,
2155 (unsigned int)STRLEN(VT100_ANS));
2156 break;
2157 case C0_BEL: /* bell */
2158 rxvt_scr_bell(aR);
2159 break;
2160 case C0_BS: /* backspace */
2161 rxvt_scr_backspace(aR);
2162 break;
2163 case C0_HT: /* tab */
2164 rxvt_scr_tab(aR_ 1);
2165 break;
2166 case C0_CR: /* carriage return */
2167 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2168 break;
2169 case C0_VT: /* vertical tab, form feed */
2170 case C0_FF:
2171 case C0_LF: /* line feed */
2172 rxvt_scr_index(aR_ UP);
2173 break;
2174 case C0_SO: /* shift out - acs */
2175 rxvt_scr_charset_choose(aR_ 1);
2176 break;
2177 case C0_SI: /* shift in - acs */
2178 rxvt_scr_charset_choose(aR_ 0);
2179 break;
2180 }
2181 }
2182 /*}}} */
2183
2184
2185 /*{{{ process VT52 escape sequences */
2186 /* INTPROTO */
2187 void
2188 rxvt_process_escape_vt52(pR_ unsigned char ch)
2189 {
2190 int row, col;
2191
2192 switch (ch) {
2193 case 'A': /* cursor up */
2194 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2195 break;
2196 case 'B': /* cursor down */
2197 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2198 break;
2199 case 'C': /* cursor right */
2200 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2201 break;
2202 case 'D': /* cursor left */
2203 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2204 break;
2205 case 'H': /* cursor home */
2206 rxvt_scr_gotorc(aR_ 0, 0, 0);
2207 break;
2208 case 'I': /* cursor up and scroll down if needed */
2209 rxvt_scr_index(aR_ DN);
2210 break;
2211 case 'J': /* erase to end of screen */
2212 rxvt_scr_erase_screen(aR_ 0);
2213 break;
2214 case 'K': /* erase to end of line */
2215 rxvt_scr_erase_line(aR_ 0);
2216 break;
2217 case 'Y': /* move to specified row and col */
2218 /* full command is 'ESC Y row col' where row and col
2219 * are encoded by adding 32 and sending the ascii
2220 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2221 * etc. */
2222 row = rxvt_cmd_getc(aR) - ' ';
2223 col = rxvt_cmd_getc(aR) - ' ';
2224 rxvt_scr_gotorc(aR_ row, col, 0);
2225 break;
2226 case 'Z': /* identify the terminal type */
2227 R->tt_printf("\033/Z"); /* I am a VT100 emulating a VT52 */
2228 break;
2229 case '<': /* turn off VT52 mode */
2230 PrivMode(0, PrivMode_vt52);
2231 break;
2232 case 'F': /* use special graphics character set */
2233 case 'G': /* use regular character set */
2234 /* unimplemented */
2235 break;
2236 case '=': /* use alternate keypad mode */
2237 case '>': /* use regular keypad mode */
2238 /* unimplemented */
2239 break;
2240 }
2241 }
2242 /*}}} */
2243
2244
2245 /*{{{ process escape sequences */
2246 /* INTPROTO */
2247 void
2248 rxvt_process_escape_seq(pR)
2249 {
2250 unsigned char ch = rxvt_cmd_getc(aR);
2251
2252 if (R->PrivateModes & PrivMode_vt52) {
2253 rxvt_process_escape_vt52(aR_ ch);
2254 return;
2255 }
2256
2257 switch (ch) {
2258 /* case 1: do_tek_mode (); break; */
2259 case '#':
2260 if (rxvt_cmd_getc(aR) == '8')
2261 rxvt_scr_E(aR);
2262 break;
2263 case '(':
2264 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2265 break;
2266 case ')':
2267 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2268 break;
2269 case '*':
2270 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2271 break;
2272 case '+':
2273 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2274 break;
2275 #ifdef MULTICHAR_SET
2276 case '$':
2277 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2278 break;
2279 #endif
2280 #ifndef NO_FRILLS
2281 case '6':
2282 rxvt_scr_backindex(aR);
2283 break;
2284 #endif
2285 case '7':
2286 rxvt_scr_cursor(aR_ SAVE);
2287 break;
2288 case '8':
2289 rxvt_scr_cursor(aR_ RESTORE);
2290 break;
2291 #ifndef NO_FRILLS
2292 case '9':
2293 rxvt_scr_forwardindex(aR);
2294 break;
2295 #endif
2296 case '=':
2297 case '>':
2298 PrivMode((ch == '='), PrivMode_aplKP);
2299 break;
2300
2301 case C1_40:
2302 rxvt_cmd_getc(aR);
2303 break;
2304 case C1_44:
2305 rxvt_scr_index(aR_ UP);
2306 break;
2307
2308 /* 8.3.87: NEXT LINE */
2309 case C1_NEL: /* ESC E */
2310 {
2311 uint32_t nlcr[] = { '\n', '\r' };
2312 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2313 }
2314 break;
2315
2316 /* kidnapped escape sequence: Should be 8.3.48 */
2317 case C1_ESA: /* ESC G */
2318 rxvt_process_graphics(aR);
2319 break;
2320
2321 /* 8.3.63: CHARACTER TABULATION SET */
2322 case C1_HTS: /* ESC H */
2323 rxvt_scr_set_tab(aR_ 1);
2324 break;
2325
2326 /* 8.3.105: REVERSE LINE FEED */
2327 case C1_RI: /* ESC M */
2328 rxvt_scr_index(aR_ DN);
2329 break;
2330
2331 /* 8.3.142: SINGLE-SHIFT TWO */
2332 /*case C1_SS2: scr_single_shift (2); break; */
2333
2334 /* 8.3.143: SINGLE-SHIFT THREE */
2335 /*case C1_SS3: scr_single_shift (3); break; */
2336
2337 /* 8.3.27: DEVICE CONTROL STRING */
2338 case C1_DCS: /* ESC P */
2339 rxvt_process_dcs_seq(aR);
2340 break;
2341
2342 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2343 case C1_SCI: /* ESC Z */
2344 R->tt_write((const unsigned char *)ESCZ_ANSWER,
2345 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2346 break; /* steal obsolete ESC [ c */
2347
2348 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2349 case C1_CSI: /* ESC [ */
2350 rxvt_process_csi_seq(aR);
2351 break;
2352
2353 /* 8.3.90: OPERATING SYSTEM COMMAND */
2354 case C1_OSC: /* ESC ] */
2355 rxvt_process_osc_seq(aR);
2356 break;
2357
2358 /* 8.3.106: RESET TO INITIAL STATE */
2359 case 'c':
2360 rxvt_scr_poweron(aR);
2361 rxvt_scrollbar_show(aR_ 1);
2362 break;
2363
2364 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2365 case 'n':
2366 rxvt_scr_charset_choose(aR_ 2);
2367 break;
2368
2369 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2370 case 'o':
2371 rxvt_scr_charset_choose(aR_ 3);
2372 break;
2373 }
2374 }
2375 /*}}} */
2376
2377 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2378 /* *INDENT-OFF* */
2379 enum {
2380 CSI_ICH = 0x40,
2381 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2382 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2383 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2384 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2385 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2386 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2387 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2388 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2389 };
2390
2391 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2392 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2393 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2394 #define get_byte_array_bit(array, bit) \
2395 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2396
2397 const unsigned char csi_defaults[] = {
2398 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2399 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2400 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2401 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2402 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2403 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2404 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2405 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2406 };
2407 /* *INDENT-ON* */
2408
2409 /* INTPROTO */
2410 void
2411 rxvt_process_csi_seq(pR)
2412 {
2413 unsigned char ch, priv, i;
2414 unsigned int nargs, p;
2415 int n, ndef;
2416 int arg[ESC_ARGS];
2417
2418 for (nargs = ESC_ARGS; nargs > 0;)
2419 arg[--nargs] = 0;
2420
2421 priv = 0;
2422 ch = rxvt_cmd_getc(aR);
2423 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2424 priv = ch;
2425 ch = rxvt_cmd_getc(aR);
2426 }
2427 /* read any numerical arguments */
2428 for (n = -1; ch < CSI_ICH; ) {
2429 if (isdigit(ch)) {
2430 if (n < 0)
2431 n = ch - '0';
2432 else
2433 n = n * 10 + ch - '0';
2434 } else if (ch == ';') {
2435 if (nargs < ESC_ARGS)
2436 arg[nargs++] = n;
2437 n = -1;
2438 } else if (ch == '\b') {
2439 rxvt_scr_backspace(aR);
2440 } else if (ch == C0_ESC) {
2441 rxvt_process_escape_seq(aR);
2442 return;
2443 } else if (ch < ' ') {
2444 rxvt_process_nonprinting(aR_ ch);
2445 }
2446 ch = rxvt_cmd_getc(aR);
2447 }
2448
2449 if (ch > CSI_7F)
2450 return;
2451
2452 if (nargs < ESC_ARGS)
2453 arg[nargs++] = n;
2454
2455 i = ch - CSI_ICH;
2456 ndef = get_byte_array_bit(csi_defaults, i);
2457 for (p = 0; p < nargs; p++)
2458 if (arg[p] == -1)
2459 arg[p] = ndef;
2460
2461 #ifdef DEBUG_CMD
2462 fprintf(stderr, "CSI ");
2463 for (p = 0; p < nargs; p++)
2464 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2465 fprintf(stderr, "%c\n", ch);
2466 #endif
2467
2468 /*
2469 * private mode handling
2470 */
2471 if (priv) {
2472 switch (priv) {
2473 case '>':
2474 if (ch == CSI_DA) /* secondary device attributes */
2475 R->tt_printf("\033[>%d;%-.8s;0c", 'R', VSTRING);
2476 break;
2477 case '?':
2478 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2479 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2480 break;
2481 }
2482 return;
2483 }
2484
2485 switch (ch) {
2486 /*
2487 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2488 */
2489 #ifdef PRINTPIPE
2490 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2491 switch (arg[0]) {
2492 case 0: /* initiate transfer to primary aux device */
2493 rxvt_scr_printscreen(aR_ 0);
2494 break;
2495 case 5: /* start relay to primary aux device */
2496 rxvt_process_print_pipe(aR);
2497 break;
2498 }
2499 break;
2500 #endif
2501
2502 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2503 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2504 arg[0] = -arg[0];
2505 /* FALLTHROUGH */
2506 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2507 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2508 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2509 break;
2510
2511 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2512 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2513 #ifdef ISO6429
2514 arg[0] = -arg[0];
2515 #else /* emulate common DEC VTs */
2516 arg[0] = arg[0] ? -arg[0] : -1;
2517 #endif
2518 /* FALLTHROUGH */
2519 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2520 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2521 #ifdef ISO6429
2522 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2523 #else /* emulate common DEC VTs */
2524 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2525 #endif
2526 break;
2527
2528 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2529 arg[0] = -arg[0];
2530 /* FALLTHROUGH */
2531 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2532 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2533 break;
2534
2535 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2536 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2537 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2538 break;
2539
2540 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2541 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2542 break;
2543
2544 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2545 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2546 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2547 break;
2548
2549 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2550 arg[0] = -arg[0];
2551 /* FALLTHROUGH */
2552 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2553 rxvt_scr_tab(aR_ arg[0]);
2554 break;
2555
2556 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2557 rxvt_scr_erase_screen(aR_ arg[0]);
2558 break;
2559
2560 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2561 rxvt_scr_erase_line(aR_ arg[0]);
2562 break;
2563
2564 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2565 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2566 break;
2567
2568 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2569 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2570 break;
2571
2572 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2573 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2574 break;
2575
2576 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2577 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2578 break;
2579
2580 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2581 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2582 break;
2583
2584 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2585 arg[0] = -arg[0];
2586 /* FALLTHROUGH */
2587 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2588 R->scr_scroll_text (R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2589 break;
2590
2591 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2592 R->tt_write((const unsigned char *)VT100_ANS,
2593 (unsigned int)(sizeof(VT100_ANS) - 1));
2594 break;
2595
2596 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2597 rxvt_process_sgr_mode(aR_ nargs, arg);
2598 break;
2599
2600 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2601 switch (arg[0]) {
2602 case 5: /* DSR requested */
2603 R->tt_printf("\033[0n");
2604 break;
2605 case 6: /* CPR requested */
2606 rxvt_scr_report_position(aR);
2607 break;
2608 #if defined (ENABLE_DISPLAY_ANSWER)
2609 case 7: /* unofficial extension */
2610 R->tt_printf("%-.250s\n", R->rs[Rs_display_name]);
2611 break;
2612 #endif
2613 case 8: /* unofficial extension */
2614 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2615 break;
2616 }
2617 break;
2618
2619 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2620 switch (arg[0]) {
2621 case 0: /* char tab stop cleared at active position */
2622 rxvt_scr_set_tab(aR_ 0);
2623 break;
2624 /* case 1: */ /* line tab stop cleared in active line */
2625 /* case 2: */ /* char tab stops cleared in active line */
2626 case 3: /* all char tab stops are cleared */
2627 /* case 4: */ /* all line tab stops are cleared */
2628 case 5: /* all tab stops are cleared */
2629 rxvt_scr_set_tab(aR_ -1);
2630 break;
2631 }
2632 break;
2633
2634 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2635 switch (arg[0]) {
2636 case 0: /* char tab stop set at active position */
2637 rxvt_scr_set_tab(aR_ 1);
2638 break; /* = ESC H */
2639 /* case 1: */ /* line tab stop set at active line */
2640 case 2: /* char tab stop cleared at active position */
2641 rxvt_scr_set_tab(aR_ 0);
2642 break; /* = ESC [ 0 g */
2643 /* case 3: */ /* line tab stop cleared at active line */
2644 /* case 4: */ /* char tab stops cleared at active line */
2645 case 5: /* all char tab stops are cleared */
2646 rxvt_scr_set_tab(aR_ -1);
2647 break; /* = ESC [ 3 g */
2648 /* case 6: */ /* all line tab stops are cleared */
2649 }
2650 break;
2651
2652 case CSI_RM: /* 8.3.107: RESET MODE */
2653 if (arg[0] == 4)
2654 rxvt_scr_insert_mode(aR_ 0);
2655 break;
2656
2657 case CSI_SM: /* 8.3.126: SET MODE */
2658 if (arg[0] == 4)
2659 rxvt_scr_insert_mode(aR_ 1);
2660 break;
2661
2662 /*
2663 * PRIVATE USE beyond this point. All CSI_7? sequences here
2664 */
2665 case CSI_72: /* DECSTBM: set top and bottom margins */
2666 if (nargs == 1)
2667 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2668 else if (nargs == 0 || arg[0] >= arg[1])
2669 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2670 else
2671 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2672 break;
2673
2674 case CSI_73:
2675 rxvt_scr_cursor(aR_ SAVE);
2676 break;
2677 case CSI_75:
2678 rxvt_scr_cursor(aR_ RESTORE);
2679 break;
2680
2681 #ifndef NO_FRILLS
2682 case CSI_74:
2683 rxvt_process_window_ops(aR_ arg, nargs);
2684 break;
2685 #endif
2686
2687 case CSI_78: /* DECREQTPARM */
2688 if (arg[0] == 0 || arg[0] == 1)
2689 R->tt_printf("\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2690 /* FALLTHROUGH */
2691
2692 default:
2693 break;
2694 }
2695 }
2696 /*}}} */
2697
2698 #ifndef NO_FRILLS
2699 /* ARGSUSED */
2700 /* INTPROTO */
2701 void
2702 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2703 {
2704 int x, y;
2705 #if 0
2706 char *s;
2707 #endif
2708 XWindowAttributes wattr;
2709 Window wdummy;
2710
2711 if (nargs == 0)
2712 return;
2713 switch (args[0]) {
2714 /*
2715 * commands
2716 */
2717 case 1: /* deiconify window */
2718 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2719 break;
2720 case 2: /* iconify window */
2721 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2722 DefaultScreen(R->Xdisplay));
2723 break;
2724 case 3: /* set position (pixels) */
2725 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2726 break;
2727 case 4: /* set size (pixels) */
2728 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2729 break;
2730 case 5: /* raise window */
2731 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2732 break;
2733 case 6: /* lower window */
2734 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2735 break;
2736 case 7: /* refresh window */
2737 rxvt_scr_touch(aR_ True);
2738 break;
2739 case 8: /* set size (chars) */
2740 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2741 (unsigned int)(args[1] * R->TermWin.fheight));
2742 break;
2743 default:
2744 if (args[0] >= 24) /* set height (chars) */
2745 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2746 (unsigned int)(args[1] * R->TermWin.fheight));
2747 break;
2748 /*
2749 * reports - some output format copied from XTerm
2750 */
2751 case 11: /* report window state */
2752 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2753 R->tt_printf("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2754 break;
2755 case 13: /* report window position */
2756 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2757 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2758 -wattr.border_width, -wattr.border_width,
2759 &x, &y, &wdummy);
2760 R->tt_printf("\033[3;%d;%dt", x, y);
2761 break;
2762 case 14: /* report window size (pixels) */
2763 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2764 R->tt_printf("\033[4;%d;%dt", wattr.height, wattr.width);
2765 break;
2766 case 18: /* report window size (chars) */
2767 R->tt_printf("\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2768 break;
2769 #if 0 /* XXX: currently disabled due to security concerns */
2770 case 20: /* report icon label */
2771 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2772 R->tt_printf("\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2773 break;
2774 case 21: /* report window title */
2775 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2776 R->tt_printf("\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2777 break;
2778 #endif
2779 }
2780 }
2781 #endif
2782
2783 /*----------------------------------------------------------------------*/
2784 /*
2785 * get input up until STRING TERMINATOR (or BEL)
2786 * ends_how is terminator used. returned input must be free()d
2787 */
2788 /* INTPROTO */
2789 unsigned char *
2790 rxvt_get_to_st(pR_ unsigned char *ends_how)
2791 {
2792 int seen_esc = 0; /* seen escape? */
2793 unsigned int n = 0;
2794 unsigned char *s;
2795 unsigned char ch, string[STRING_MAX];
2796
2797 for (; (ch = rxvt_cmd_getc(aR));) {
2798 if (ch == C0_BEL
2799 || ch == CHAR_ST
2800 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2801 break;
2802 if (ch == C0_ESC) {
2803 seen_esc = 1;
2804 continue;
2805 } else if (ch == '\t')
2806 ch = ' '; /* translate '\t' to space */
2807 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2808 return NULL; /* other control character - exit */
2809 if (n < sizeof(string) - 1)
2810 string[n++] = ch;
2811 seen_esc = 0;
2812 }
2813 string[n++] = '\0';
2814 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2815 return NULL;
2816 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2817 STRNCPY(s, string, n);
2818 return s;
2819 }
2820
2821 /*----------------------------------------------------------------------*/
2822 /*
2823 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2824 */
2825 /* INTPROTO */
2826 void
2827 rxvt_process_dcs_seq(pR)
2828 {
2829 unsigned char eh, *s;
2830 /*
2831 * Not handled yet
2832 */
2833 s = rxvt_get_to_st(aR_ &eh);
2834 if (s)
2835 free(s);
2836 return;
2837 }
2838
2839 /*----------------------------------------------------------------------*/
2840 /*
2841 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2842 */
2843 /* INTPROTO */
2844 void
2845 rxvt_process_osc_seq(pR)
2846 {
2847 unsigned char ch, eh, *s;
2848 int arg;
2849
2850 ch = rxvt_cmd_getc(aR);
2851 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2852 arg = arg * 10 + (ch - '0');
2853
2854 if (ch == ';') {
2855 s = rxvt_get_to_st(aR_ &eh);
2856 if (s) {
2857 /*
2858 * rxvt_menubar_dispatch() violates the constness of the string,
2859 * so do it here
2860 */
2861 if (arg == XTerm_Menu)
2862 #if 0 /* XXX: currently disabled due to security concerns */
2863 rxvt_menubar_dispatch(aR_ (char *)s);
2864 #else
2865 0;
2866 #endif
2867 else
2868 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2869 free(s);
2870 }
2871 }
2872 }
2873 /*
2874 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2875 * 0 = change iconName/title
2876 * 1 = change iconName
2877 * 2 = change title
2878 * 4 = change color
2879 * 12 = change text color
2880 * 13 = change mouse foreground color
2881 * 17 = change highlight character colour
2882 * 18 = change bold character color
2883 * 19 = change underlined character color
2884 * 46 = change logfile (not implemented)
2885 * 50 = change font
2886 *
2887 * rxvt extensions:
2888 * 10 = menu (may change in future)
2889 * 20 = bg pixmap
2890 * 39 = change default fg color
2891 * 49 = change default bg color
2892 * 55 = dump scrollback buffer and all of screen
2893 */
2894 /* EXTPROTO */
2895 void
2896 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2897 {
2898 int changed = 0;
2899 int color;
2900 char *buf, *name;
2901
2902 assert(str != NULL);
2903 switch (op) {
2904 case XTerm_name:
2905 rxvt_set_title(aR_ str);
2906 /* FALLTHROUGH */
2907 case XTerm_iconName:
2908 rxvt_set_iconName(aR_ str);
2909 break;
2910 case XTerm_title:
2911 rxvt_set_title(aR_ str);
2912 break;
2913 case XTerm_Color:
2914 for (buf = (char *)str; buf && *buf;) {
2915 if ((name = STRCHR(buf, ';')) == NULL)
2916 break;
2917 *name++ = '\0';
2918 color = atoi(buf);
2919 if (color < 0 || color >= TOTAL_COLORS)
2920 break;
2921 if ((buf = STRCHR(name, ';')) != NULL)
2922 *buf++ = '\0';
2923 rxvt_set_window_color(aR_ color + minCOLOR, name);
2924 }
2925 break;
2926 #ifndef NO_CURSORCOLOR
2927 case XTerm_Color_cursor:
2928 rxvt_set_window_color(aR_ Color_cursor, str);
2929 break;
2930 #endif
2931 case XTerm_Color_pointer:
2932 rxvt_set_window_color(aR_ Color_pointer, str);
2933 break;
2934 #ifndef NO_BOLD_UNDERLINE_REVERSE
2935 case XTerm_Color_BD:
2936 rxvt_set_window_color(aR_ Color_BD, str);
2937 break;
2938 case XTerm_Color_UL:
2939 rxvt_set_window_color(aR_ Color_UL, str);
2940 break;
2941 case XTerm_Color_RV:
2942 rxvt_set_window_color(aR_ Color_RV, str);
2943 break;
2944 #endif
2945
2946 case XTerm_Menu:
2947 /*
2948 * rxvt_menubar_dispatch() violates the constness of the string,
2949 * so DON'T do it here
2950 */
2951 break;
2952 case XTerm_Pixmap:
2953 if (*str != ';') {
2954 #if XPM_BACKGROUND
2955 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2956 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2957 #endif
2958 rxvt_scr_touch(aR_ True);
2959 }
2960 while ((str = STRCHR(str, ';')) != NULL) {
2961 str++;
2962 #if XPM_BACKGROUND
2963 changed += rxvt_scale_pixmap(aR_ str);
2964 #endif
2965 }
2966 if (changed) {
2967 #ifdef XPM_BACKGROUND
2968 rxvt_resize_pixmap(aR);
2969 #endif
2970 rxvt_scr_touch(aR_ True);
2971 }
2972 break;
2973
2974 case XTerm_restoreFG:
2975 rxvt_set_window_color(aR_ Color_fg, str);
2976 break;
2977 case XTerm_restoreBG:
2978 rxvt_set_window_color(aR_ Color_bg, str);
2979 break;
2980 case XTerm_logfile:
2981 break;
2982 case XTerm_font:
2983 rxvt_change_font(aR_ 0, str);
2984 break;
2985 #if 0
2986 case XTerm_dumpscreen: /* no error notices */
2987 {
2988 int fd;
2989 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
2990 rxvt_scr_dump(aR_ fd);
2991 close(fd);
2992 }
2993 }
2994 break;
2995 #endif
2996 }
2997 }
2998 /*----------------------------------------------------------------------*/
2999
3000 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
3001 /*
3002 * mode can only have the following values:
3003 * 'l' = low
3004 * 'h' = high
3005 * 's' = save
3006 * 'r' = restore
3007 * 't' = toggle
3008 * so no need for fancy checking
3009 */
3010 /* INTPROTO */
3011 int
3012 rxvt_privcases(pR_ int mode, unsigned long bit)
3013 {
3014 int state;
3015
3016 if (mode == 's') {
3017 R->SavedModes |= (R->PrivateModes & bit);
3018 return -1;
3019 } else {
3020 if (mode == 'r')
3021 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */
3022 else
3023 state = (mode == 't') ? !(R->PrivateModes & bit) : mode;
3024 PrivMode(state, bit);
3025 }
3026 return state;
3027 }
3028
3029 /* we're not using priv _yet_ */
3030 /* INTPROTO */
3031 void
3032 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3033 {
3034 unsigned int i, j;
3035 int state;
3036 static const struct {
3037 const int argval;
3038 const unsigned long bit;
3039 } argtopriv[] = {
3040 { 1, PrivMode_aplCUR },
3041 { 2, PrivMode_vt52 },
3042 { 3, PrivMode_132 },
3043 { 4, PrivMode_smoothScroll },
3044 { 5, PrivMode_rVideo },
3045 { 6, PrivMode_relOrigin },
3046 { 7, PrivMode_Autowrap },
3047 { 9, PrivMode_MouseX10 },
3048 #ifdef menuBar_esc
3049 { menuBar_esc, PrivMode_menuBar },
3050 #endif
3051 #ifdef scrollBar_esc
3052 { scrollBar_esc, PrivMode_scrollBar },
3053 #endif
3054 { 25, PrivMode_VisibleCursor },
3055 { 35, PrivMode_ShiftKeys },
3056 { 40, PrivMode_132OK },
3057 { 47, PrivMode_Screen },
3058 { 66, PrivMode_aplKP },
3059 #ifndef NO_BACKSPACE_KEY
3060 { 67, PrivMode_BackSpace },
3061 #endif
3062 { 1000, PrivMode_MouseX11 },
3063 { 1010, PrivMode_TtyOutputInh },
3064 { 1011, PrivMode_Keypress },
3065 { 1047, PrivMode_Screen },
3066 };
3067
3068 if (nargs == 0)
3069 return;
3070
3071 /* make lo/hi boolean */
3072 if (mode == 'l')
3073 mode = 0; /* reset */
3074 else if (mode == 'h')
3075 mode = 1; /* set */
3076
3077 for (i = 0; i < nargs; i++) {
3078 state = -1;
3079
3080 /* basic handling */
3081 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3082 if (argtopriv[j].argval == arg[i]) {
3083 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3084 break;
3085 }
3086
3087 /* extra handling for values with state unkept */
3088 if (state == -1)
3089 switch (arg[i]) {
3090 case 1048: /* alternative cursor save */
3091 if (mode == 0)
3092 rxvt_scr_cursor(aR_ RESTORE);
3093 else if (mode == 1)
3094 rxvt_scr_cursor(aR_ SAVE);
3095 /* FALLTHROUGH */
3096 default:
3097 continue; /* for(;i;) */
3098 }
3099
3100 /* extra handling for values with valid 0 or 1 state */
3101 switch (arg[i]) {
3102 /* case 1: - application cursor keys */
3103 case 2: /* VT52 mode */
3104 /* oddball mode. should be set regardless of set/reset
3105 * parameter. Return from VT52 mode with an ESC < from
3106 * within VT52 mode
3107 */
3108 PrivMode(1, PrivMode_vt52);
3109 break;
3110 case 3: /* 80/132 */
3111 if (R->PrivateModes & PrivMode_132OK)
3112 rxvt_set_widthheight(aR_
3113 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3114 (unsigned int)R->TermWin.height);
3115 break;
3116 case 4: /* smooth scrolling */
3117 if (state)
3118 R->Options &= ~Opt_jumpScroll;
3119 else
3120 R->Options |= Opt_jumpScroll;
3121 break;
3122 case 5: /* reverse video */
3123 rxvt_scr_rvideo_mode(aR_ state);
3124 break;
3125 case 6: /* relative/absolute origins */
3126 rxvt_scr_relative_origin(aR_ state);
3127 break;
3128 case 7: /* autowrap */
3129 rxvt_scr_autowrap(aR_ state);
3130 break;
3131 /* case 8: - auto repeat, can't do on a per window basis */
3132 case 9: /* X10 mouse reporting */
3133 if (state) /* orthogonal */
3134 R->PrivateModes &= ~(PrivMode_MouseX11);
3135 break;
3136 #ifdef menuBar_esc
3137 case menuBar_esc:
3138 #ifdef MENUBAR
3139 rxvt_map_menuBar(aR_ state);
3140 #endif
3141 break;
3142 #endif
3143 #ifdef scrollBar_esc
3144 case scrollBar_esc:
3145 if (rxvt_scrollbar_mapping(aR_ state)) {
3146 rxvt_resize_all_windows(aR_ 0, 0, 0);
3147 rxvt_scr_touch(aR_ True);
3148 }
3149 break;
3150 #endif
3151 case 25: /* visible/invisible cursor */
3152 rxvt_scr_cursor_visible(aR_ state);
3153 break;
3154 /* case 35: - shift keys */
3155 /* case 40: - 80 <--> 132 mode */
3156 case 47: /* secondary screen */
3157 rxvt_scr_change_screen(aR_ state);
3158 break;
3159 /* case 66: - application key pad */
3160 /* case 67: - backspace key */
3161 case 1000: /* X11 mouse reporting */
3162 if (state) /* orthogonal */
3163 R->PrivateModes &= ~(PrivMode_MouseX10);
3164 break;
3165 #if 0
3166 case 1001:
3167 break; /* X11 mouse highlighting */
3168 #endif
3169 case 1010: /* scroll to bottom on TTY output inhibit */
3170 if (state)
3171 R->Options &= ~Opt_scrollTtyOutput;
3172 else
3173 R->Options |= Opt_scrollTtyOutput;
3174 break;
3175 case 1011: /* scroll to bottom on key press */
3176 if (state)
3177 R->Options |= Opt_scrollTtyKeypress;
3178 else
3179 R->Options &= ~Opt_scrollTtyKeypress;
3180 break;
3181 case 1047: /* secondary screen w/ clearing */
3182 if (R->current_screen != PRIMARY)
3183 rxvt_scr_erase_screen(aR_ 2);
3184 rxvt_scr_change_screen(aR_ state);
3185 /* FALLTHROUGH */
3186 default:
3187 break;
3188 }
3189 }
3190 }
3191 /*}}} */
3192
3193 /*{{{ process sgr sequences */
3194 /* INTPROTO */
3195 void
3196 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3197 {
3198 unsigned int i;
3199 short rendset;
3200 int rendstyle;
3201
3202 if (nargs == 0) {
3203 rxvt_scr_rendition(aR_ 0, ~RS_None);
3204 return;
3205 }
3206 for (i = 0; i < nargs; i++) {
3207 rendset = -1;
3208 switch (arg[i]) {
3209 case 0:
3210 rendset = 0, rendstyle = ~RS_None;
3211 break;
3212 case 1:
3213 rendset = 1, rendstyle = RS_Bold;
3214 break;
3215 case 4:
3216 rendset = 1, rendstyle = RS_Uline;
3217 break;
3218 case 5:
3219 rendset = 1, rendstyle = RS_Blink;
3220 break;
3221 case 7:
3222 rendset = 1, rendstyle = RS_RVid;
3223 break;
3224 case 22:
3225 rendset = 0, rendstyle = RS_Bold;
3226 break;
3227 case 24:
3228 rendset = 0, rendstyle = RS_Uline;
3229 break;
3230 case 25:
3231 rendset = 0, rendstyle = RS_Blink;
3232 break;
3233 case 27:
3234 rendset = 0, rendstyle = RS_RVid;
3235 break;
3236 }
3237 if (rendset != -1) {
3238 rxvt_scr_rendition(aR_ rendset, rendstyle);
3239 continue; /* for(;i;) */
3240 }
3241
3242 switch (arg[i]) {
3243 case 30:
3244 case 31: /* set fg color */
3245 case 32:
3246 case 33:
3247 case 34:
3248 case 35:
3249 case 36:
3250 case 37:
3251 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3252 Color_fg);
3253 break;
3254 #ifdef TTY_256COLOR
3255 case 38:
3256 if (nargs > i + 2 && arg[i + 1] == 5) {
3257 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3258 Color_fg);
3259 i += 2;
3260 }
3261 break;
3262 #endif
3263 case 39: /* default fg */
3264 rxvt_scr_color(aR_ Color_fg, Color_fg);
3265 break;
3266
3267 case 40:
3268 case 41: /* set bg color */
3269 case 42:
3270 case 43:
3271 case 44:
3272 case 45:
3273 case 46:
3274 case 47:
3275 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3276 Color_bg);
3277 break;
3278 #ifdef TTY_256COLOR
3279 case 48:
3280 if (nargs > i + 2 && arg[i + 1] == 5) {
3281 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3282 Color_bg);
3283 i += 2;
3284 }
3285 break;
3286 #endif
3287 case 49: /* default bg */
3288 rxvt_scr_color(aR_ Color_bg, Color_bg);
3289 break;
3290
3291 #ifndef NO_BRIGHTCOLOR
3292 case 90:
3293 case 91: /* set bright fg color */
3294 case 92:
3295 case 93:
3296 case 94:
3297 case 95:
3298 case 96:
3299 case 97:
3300 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3301 Color_fg);
3302 break;
3303 case 100:
3304 case 101: /* set bright bg color */
3305 case 102:
3306 case 103:
3307 case 104:
3308 case 105:
3309 case 106:
3310 case 107:
3311 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3312 Color_bg);
3313 break;
3314 #endif
3315 }
3316 }
3317 }
3318 /*}}} */
3319
3320 /*{{{ process Rob Nation's own graphics mode sequences */
3321 /* INTPROTO */
3322 void
3323 rxvt_process_graphics(pR)
3324 {
3325 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3326
3327 #ifndef RXVT_GRAPHICS
3328 if (cmd == 'Q') { /* query graphics */
3329 R->tt_printf("\033G0\n"); /* no graphics */
3330 return;
3331 }
3332 /* swallow other graphics sequences until terminating ':' */
3333 do
3334 ch = rxvt_cmd_getc(aR);
3335 while (ch != ':');
3336 #else
3337 unsigned int nargs;
3338 int args[NGRX_PTS];
3339 unsigned char *text = NULL;
3340
3341 if (cmd == 'Q') { /* query graphics */
3342 R->tt_printf("\033G1\n"); /* yes, graphics (color) */
3343 return;
3344 }
3345 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3346 int neg;
3347
3348 ch = rxvt_cmd_getc(aR);
3349 neg = (ch == '-');
3350 if (neg || ch == '+')
3351 ch = rxvt_cmd_getc(aR);
3352
3353 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3354 args[nargs] = args[nargs] * 10 + (ch - '0');
3355 if (neg)
3356 args[nargs] = -args[nargs];
3357
3358 nargs++;
3359 args[nargs] = 0;
3360 if (ch != ';')
3361 break;
3362 }
3363
3364 if ((cmd == 'T') && (nargs >= 5)) {
3365 int i, len = args[4];
3366
3367 text = (unsigned char *)rxvt_malloc((len + 1) * sizeof(char));
3368
3369 if (text != NULL) {
3370 for (i = 0; i < len; i++)
3371 text[i] = rxvt_cmd_getc(aR);
3372 text[len] = '\0';
3373 }
3374 }
3375 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3376 #endif
3377 }
3378 /*}}} */
3379
3380 /* ------------------------------------------------------------------------- */
3381
3382 /*
3383 * Send printf() formatted output to the command.
3384 * Only use for small amounts of data.
3385 */
3386 void
3387 rxvt_term::tt_printf (const char *fmt,...)
3388 {
3389 va_list arg_ptr;
3390 unsigned char buf[256];
3391
3392 va_start (arg_ptr, fmt);
3393 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3394 va_end (arg_ptr);
3395 tt_write (buf, STRLEN (buf));
3396 }
3397
3398 /* ---------------------------------------------------------------------- */
3399 /* Write data to the pty as typed by the user, pasted with the mouse,
3400 * or generated by us in response to a query ESC sequence.
3401 */
3402 void
3403 rxvt_term::tt_write (const unsigned char *data, unsigned int len)
3404 {
3405 enum { MAX_PTY_WRITE = 255 }; // minimum MAX_INPUT
3406
3407 if (len)
3408 {
3409 if (v_buflen == 0)
3410 {
3411 int written = write (cmd_fd, data, min (MAX_PTY_WRITE, len));
3412 if (written == len)
3413 return;
3414
3415 data += written;
3416 len -= written;
3417 }
3418
3419
3420 v_buffer = (unsigned char *)realloc (v_buffer, v_buflen + len);
3421
3422 memcpy (v_buffer + v_buflen, data, len);
3423 v_buflen += len;
3424 }
3425
3426 for (;;)
3427 {
3428 int written = write (cmd_fd, v_buffer, min (MAX_PTY_WRITE, v_buflen));
3429
3430 if (written > 0)
3431 {
3432 v_buflen -= written;
3433
3434 if (v_buflen == 0)
3435 {
3436 free (v_buffer);
3437 v_buffer = 0;
3438 v_buflen = 0;
3439
3440 pty_ev.set (EVENT_READ);
3441 return;
3442 }
3443
3444 memmove (v_buffer, v_buffer + written, v_buflen);
3445 }
3446 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3447 // original code just ignores this...
3448 destroy ();
3449 else
3450 {
3451 pty_ev.set (EVENT_READ | EVENT_WRITE);
3452 return;
3453 }
3454 }
3455 }
3456
3457 /*----------------------- end-of-file (C source) -----------------------*/
3458