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Revision: 1.31
Committed: Thu Jan 29 23:26:01 2004 UTC (20 years, 3 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.30: +26 -9 lines
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File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.30 2004/01/29 21:35:58 pcg Exp $
5 *
6 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
10 * - extensive modifications
11 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
12 * - vt100 printing
13 * Copyright (c) 1995 Steven Hirsch <hirsch@emba.uvm.edu>
14 * - X11 mouse report mode and support for
15 * DEC "private mode" save/restore functions.
16 * Copyright (c) 1995 Jakub Jelinek <jj@gnu.ai.mit.edu>
17 * - key-related changes to handle Shift+function
18 * keys properly.
19 * Copyright (c) 1997 MJ Olesen <olesen@me.queensu.ca>
20 * - extensive modifications
21 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es>
22 * - modification and cleanups for Solaris 2.x
23 * and Linux 1.2.x
24 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
25 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
26 * - extensive modifications
27 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
28 * Copyright (c) 2001 Marius Gedminas
29 * - Ctrl/Mod4+Tab works like Meta+Tab (options)
30 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org>
31 *
32 * This program is free software; you can redistribute it and/or modify
33 * it under the terms of the GNU General Public License as published by
34 * the Free Software Foundation; either version 2 of the License, or
35 * (at your option) any later version.
36 *
37 * This program is distributed in the hope that it will be useful,
38 * but WITHOUT ANY WARRANTY; without even the implied warranty of
39 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
40 * GNU General Public License for more details.
41 *
42 * You should have received a copy of the GNU General Public License
43 * along with this program; if not, write to the Free Software
44 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 *----------------------------------------------------------------------*/
46
47 /*{{{ includes: */
48 #include "../config.h" /* NECESSARY */
49 #include "rxvt.h" /* NECESSARY */
50 #include "version.h"
51 #include "command.h"
52
53 #include <wchar.h>
54
55 /*----------------------------------------------------------------------*/
56
57 /*{{{ Convert the keypress event into a string */
58 /* INTPROTO */
59 void
60 rxvt_lookup_key(pR_ XKeyEvent *ev)
61 {
62 int ctrl, meta, shft, len;
63 unsigned int newlen;
64 KeySym keysym;
65 #ifdef DEBUG_CMD
66 static int debug_key = 1; /* accessible by a debugger only */
67 #endif
68 int valid_keysym;
69 unsigned char kbuf[KBUFSZ];
70
71 /*
72 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
73 * escape sequence to toggle the Keypad.
74 *
75 * Always permit `shift' to override the current setting
76 */
77 shft = (ev->state & ShiftMask);
78 ctrl = (ev->state & ControlMask);
79 meta = (ev->state & R->ModMetaMask);
80
81 if (R->numlock_state || (ev->state & R->ModNumLockMask))
82 {
83 R->numlock_state = (ev->state & R->ModNumLockMask);
84 PrivMode((!R->numlock_state), PrivMode_aplKP);
85 }
86
87 kbuf[0] = 0;
88
89 #ifdef USE_XIM
90 if (R->Input_Context)
91 {
92 Status status_return;
93
94 #ifdef X_HAVE_UTF8_STRING
95 if (R->enc_utf8 && 0)
96 len = Xutf8LookupString (R->Input_Context, ev, (char *)kbuf,
97 KBUFSZ, &keysym, &status_return);
98 else
99 #endif
100 {
101 wchar_t wkbuf[KBUFSZ + 1];
102
103 // the XOpenIM manpage lies about hardcoding the locale
104 // at the point of XOpenIM, so temporarily switch locales
105 if (R->rs[Rs_imLocale])
106 SET_LOCALE (R->rs[Rs_imLocale]);
107 // assume wchar_t == unicode or better
108 len = XwcLookupString (R->Input_Context, ev, wkbuf,
109 KBUFSZ, &keysym, &status_return);
110 if (R->rs[Rs_imLocale])
111 SET_LOCALE (R->locale);
112
113 if (status_return == XLookupChars
114 || status_return == XLookupBoth)
115 {
116 wkbuf[len] = 0;
117 len = wcstombs ((char *)kbuf, wkbuf, KBUFSZ);
118 if (len < 0)
119 len = 0;
120 }
121 else
122 len = 0;
123 }
124
125 valid_keysym = status_return == XLookupKeySym
126 || status_return == XLookupBoth;
127 }
128 else
129 #endif
130 {
131 len = XLookupString (ev, (char *)kbuf, KBUFSZ, &keysym, &R->compose);
132 valid_keysym = !len;
133 }
134
135 if (valid_keysym)
136 {
137 /* for some backwards compatibility */
138 #if defined(HOTKEY_CTRL) || defined(HOTKEY_META)
139 # ifdef HOTKEY_CTRL
140 if (ctrl)
141 # else
142 if (meta)
143 # endif
144 {
145 if (keysym == R->ks_bigfont)
146 {
147 rxvt_change_font(aR_ 0, FONT_UP);
148 return;
149 }
150 else if (keysym == R->ks_smallfont)
151 {
152 rxvt_change_font(aR_ 0, FONT_DN);
153 return;
154 }
155 }
156 #endif
157
158 if (R->TermWin.saveLines) {
159 #ifdef UNSHIFTED_SCROLLKEYS
160 if (!ctrl && !meta) {
161 #else
162 if (IS_SCROLL_MOD) {
163 #endif
164 int lnsppg;
165
166 #ifdef PAGING_CONTEXT_LINES
167 lnsppg = R->TermWin.nrow - PAGING_CONTEXT_LINES;
168 #else
169 lnsppg = R->TermWin.nrow * 4 / 5;
170 #endif
171 if (keysym == XK_Prior) {
172 rxvt_scr_page(aR_ UP, lnsppg);
173 return;
174 } else if (keysym == XK_Next) {
175 rxvt_scr_page(aR_ DN, lnsppg);
176 return;
177 }
178 }
179 #ifdef SCROLL_ON_UPDOWN_KEYS
180 if (IS_SCROLL_MOD) {
181 if (keysym == XK_Up) {
182 rxvt_scr_page(aR_ UP, 1);
183 return;
184 } else if (keysym == XK_Down) {
185 rxvt_scr_page(aR_ DN, 1);
186 return;
187 }
188 }
189 #endif
190 #ifdef SCROLL_ON_HOMEEND_KEYS
191 if (IS_SCROLL_MOD) {
192 if (keysym == XK_Home) {
193 rxvt_scr_move_to(aR_ 0, 1);
194 return;
195 } else if (keysym == XK_End) {
196 rxvt_scr_move_to(aR_ 1, 0);
197 return;
198 }
199 }
200 #endif
201 }
202
203 if (shft) {
204 /* Shift + F1 - F10 generates F11 - F20 */
205 if (keysym >= XK_F1 && keysym <= XK_F10) {
206 keysym += (XK_F11 - XK_F1);
207 shft = 0; /* turn off Shift */
208 } else if (!ctrl && !meta && (R->PrivateModes & PrivMode_ShiftKeys)) {
209 switch (keysym) {
210 /* normal XTerm key bindings */
211 case XK_Insert: /* Shift+Insert = paste mouse selection */
212 rxvt_selection_request(aR_ ev->time, 0, 0);
213 return;
214 /* rxvt extras */
215 case XK_KP_Add: /* Shift+KP_Add = bigger font */
216 rxvt_change_font(aR_ 0, FONT_UP);
217 return;
218 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
219 rxvt_change_font(aR_ 0, FONT_DN);
220 return;
221 }
222 }
223 }
224 #ifdef PRINTPIPE
225 if (keysym == XK_Print) {
226 rxvt_scr_printscreen(aR_ ctrl | shft);
227 return;
228 }
229 #endif
230 #ifdef GREEK_SUPPORT
231 if (keysym == R->ks_greekmodeswith) {
232 R->greek_mode = !R->greek_mode;
233 if (R->greek_mode) {
234 rxvt_xterm_seq(aR_ XTerm_title,
235 (greek_getmode() == GREEK_ELOT928
236 ? "[Greek: iso]" : "[Greek: ibm]"), CHAR_ST);
237 greek_reset();
238 } else
239 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
240 return;
241 }
242 #endif
243
244 if (keysym >= 0xFF00 && keysym <= 0xFFFF) {
245 #ifdef KEYSYM_RESOURCE
246 if (!(shft | ctrl) && R->Keysym_map[keysym & 0xFF] != NULL) {
247 unsigned int l;
248 const unsigned char *kbuf0;
249 const unsigned char ch = C0_ESC;
250
251 kbuf0 = (R->Keysym_map[keysym & 0xFF]);
252 l = (unsigned int)*kbuf0++;
253
254 /* escape prefix */
255 if (meta)
256 # ifdef META8_OPTION
257 if (R->meta_char == C0_ESC)
258 # endif
259 R->tt_write (&ch, 1);
260 R->tt_write (kbuf0, l);
261 return;
262 } else
263 #endif
264 {
265 newlen = 1;
266 switch (keysym) {
267 #ifndef NO_BACKSPACE_KEY
268 case XK_BackSpace:
269 if (R->PrivateModes & PrivMode_HaveBackSpace) {
270 kbuf[0] = (!!(R->PrivateModes & PrivMode_BackSpace)
271 ^ !!ctrl) ? '\b' : '\177';
272 kbuf[1] = '\0';
273 } else
274 STRCPY(kbuf, R->key_backspace);
275 # ifdef MULTICHAR_SET
276 if ((R->Options & Opt_mc_hack) && R->screen.cur.col > 0) {
277 int col, row;
278
279 newlen = STRLEN(kbuf);
280 col = R->screen.cur.col - 1;
281 row = R->screen.cur.row + R->TermWin.saveLines;
282 if (IS_MULTI2(R->screen.rend[row][col]))
283 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
284 }
285 # endif
286 break;
287 #endif
288 #ifndef NO_DELETE_KEY
289 case XK_Delete:
290 STRCPY(kbuf, R->key_delete);
291 # ifdef MULTICHAR_SET
292 if (R->Options & Opt_mc_hack) {
293 int col, row;
294
295 newlen = STRLEN(kbuf);
296 col = R->screen.cur.col;
297 row = R->screen.cur.row + R->TermWin.saveLines;
298 if (IS_MULTI1(R->screen.rend[row][col]))
299 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
300 }
301 # endif
302 break;
303 #endif
304 case XK_Tab:
305 if (shft)
306 STRCPY(kbuf, "\033[Z");
307 else {
308 #ifdef CTRL_TAB_MAKES_META
309 if (ctrl)
310 meta = 1;
311 #endif
312 #ifdef MOD4_TAB_MAKES_META
313 if (ev->state & Mod4Mask)
314 meta = 1;
315 #endif
316 newlen = 0;
317 }
318 break;
319
320
321 #ifdef XK_KP_Left
322 case XK_KP_Up: /* \033Ox or standard */
323 case XK_KP_Down: /* \033Or or standard */
324 case XK_KP_Right: /* \033Ov or standard */
325 case XK_KP_Left: /* \033Ot or standard */
326 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
327 STRCPY(kbuf, "\033OZ");
328 kbuf[2] = ("txvr"[keysym - XK_KP_Left]);
329 break;
330 } else
331 /* translate to std. cursor key */
332 keysym = XK_Left + (keysym - XK_KP_Left);
333 /* FALLTHROUGH */
334 #endif
335 case XK_Up: /* "\033[A" */
336 case XK_Down: /* "\033[B" */
337 case XK_Right: /* "\033[C" */
338 case XK_Left: /* "\033[D" */
339 STRCPY(kbuf, "\033[Z");
340 kbuf[2] = ("DACB"[keysym - XK_Left]);
341 /* do Shift first */
342 if (shft)
343 kbuf[2] = ("dacb"[keysym - XK_Left]);
344 else if (ctrl) {
345 kbuf[1] = 'O';
346 kbuf[2] = ("dacb"[keysym - XK_Left]);
347 } else if (R->PrivateModes & PrivMode_aplCUR)
348 kbuf[1] = 'O';
349 #ifdef MULTICHAR_SET
350 //TODO: ??
351 if (R->Options & Opt_mc_hack) {
352 int col, row, m;
353
354 col = R->screen.cur.col;
355 row = R->screen.cur.row + R->TermWin.saveLines;
356 m = 0;
357 if (keysym == XK_Right
358 && IS_MULTI1(R->screen.rend[row][col]))
359 m = 1;
360 else if (keysym == XK_Left) {
361 if (col > 0) {
362 if (IS_MULTI2(R->screen.rend[row][col - 1]))
363 m = 1;
364 } else if (R->screen.cur.row > 0) {
365 col = R->screen.tlen[--row];
366 if (col == -1)
367 col = R->TermWin.ncol - 1;
368 else
369 col--;
370 if (col > 0
371 && IS_MULTI2(R->screen.rend[row][col]))
372 m = 1;
373 }
374 }
375 if (m)
376 MEMMOVE(kbuf + 3, kbuf, 3 + 1);
377 }
378 #endif
379 break;
380
381 #ifndef UNSHIFTED_SCROLLKEYS
382 # ifdef XK_KP_Prior
383 case XK_KP_Prior:
384 /* allow shift to override */
385 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
386 STRCPY(kbuf, "\033Oy");
387 break;
388 }
389 /* FALLTHROUGH */
390 # endif
391 case XK_Prior:
392 STRCPY(kbuf, "\033[5~");
393 break;
394 # ifdef XK_KP_Next
395 case XK_KP_Next:
396 /* allow shift to override */
397 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
398 STRCPY(kbuf, "\033Os");
399 break;
400 }
401 /* FALLTHROUGH */
402 # endif
403 case XK_Next:
404 STRCPY(kbuf, "\033[6~");
405 break;
406 #endif
407 case XK_KP_Enter:
408 /* allow shift to override */
409 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
410 STRCPY(kbuf, "\033OM");
411 } else {
412 kbuf[0] = '\r';
413 kbuf[1] = '\0';
414 }
415 break;
416
417 #ifdef XK_KP_Begin
418 case XK_KP_Begin:
419 STRCPY(kbuf, "\033Ou");
420 break;
421
422 case XK_KP_Insert:
423 STRCPY(kbuf, "\033Op");
424 break;
425
426 case XK_KP_Delete:
427 STRCPY(kbuf, "\033On");
428 break;
429 #endif
430 case XK_KP_F1: /* "\033OP" */
431 case XK_KP_F2: /* "\033OQ" */
432 case XK_KP_F3: /* "\033OR" */
433 case XK_KP_F4: /* "\033OS" */
434 STRCPY(kbuf, "\033OP");
435 kbuf[2] += (keysym - XK_KP_F1);
436 break;
437
438 case XK_KP_Multiply: /* "\033Oj" : "*" */
439 case XK_KP_Add: /* "\033Ok" : "+" */
440 case XK_KP_Separator: /* "\033Ol" : "," */
441 case XK_KP_Subtract: /* "\033Om" : "-" */
442 case XK_KP_Decimal: /* "\033On" : "." */
443 case XK_KP_Divide: /* "\033Oo" : "/" */
444 case XK_KP_0: /* "\033Op" : "0" */
445 case XK_KP_1: /* "\033Oq" : "1" */
446 case XK_KP_2: /* "\033Or" : "2" */
447 case XK_KP_3: /* "\033Os" : "3" */
448 case XK_KP_4: /* "\033Ot" : "4" */
449 case XK_KP_5: /* "\033Ou" : "5" */
450 case XK_KP_6: /* "\033Ov" : "6" */
451 case XK_KP_7: /* "\033Ow" : "7" */
452 case XK_KP_8: /* "\033Ox" : "8" */
453 case XK_KP_9: /* "\033Oy" : "9" */
454 /* allow shift to override */
455 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
456 STRCPY(kbuf, "\033Oj");
457 kbuf[2] += (keysym - XK_KP_Multiply);
458 } else {
459 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
460 kbuf[1] = '\0';
461 }
462 break;
463
464 case XK_Find:
465 STRCPY(kbuf, "\033[1~");
466 break;
467 case XK_Insert:
468 STRCPY(kbuf, "\033[2~");
469 break;
470 #ifdef DXK_Remove /* support for DEC remove like key */
471 case DXK_Remove:
472 /* FALLTHROUGH */
473 #endif
474 case XK_Execute:
475 STRCPY(kbuf, "\033[3~");
476 break;
477 case XK_Select:
478 STRCPY(kbuf, "\033[4~");
479 break;
480 #ifdef XK_KP_End
481 case XK_KP_End:
482 /* allow shift to override */
483 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
484 STRCPY(kbuf, "\033Oq");
485 break;
486 }
487 /* FALLTHROUGH */
488 #endif
489 case XK_End:
490 STRCPY(kbuf, KS_END);
491 break;
492 #ifdef XK_KP_Home
493 case XK_KP_Home:
494 /* allow shift to override */
495 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
496 STRCPY(kbuf, "\033Ow");
497 break;
498 }
499 /* FALLTHROUGH */
500 #endif
501 case XK_Home:
502 STRCPY(kbuf, KS_HOME);
503 break;
504
505 #define FKEY(n, fkey) \
506 sprintf((char *)kbuf,"\033[%2d~", (int)((n) + (keysym - fkey)))
507
508 case XK_F1: /* "\033[11~" */
509 case XK_F2: /* "\033[12~" */
510 case XK_F3: /* "\033[13~" */
511 case XK_F4: /* "\033[14~" */
512 case XK_F5: /* "\033[15~" */
513 FKEY(11, XK_F1);
514 break;
515 case XK_F6: /* "\033[17~" */
516 case XK_F7: /* "\033[18~" */
517 case XK_F8: /* "\033[19~" */
518 case XK_F9: /* "\033[20~" */
519 case XK_F10: /* "\033[21~" */
520 FKEY(17, XK_F6);
521 break;
522 case XK_F11: /* "\033[23~" */
523 case XK_F12: /* "\033[24~" */
524 case XK_F13: /* "\033[25~" */
525 case XK_F14: /* "\033[26~" */
526 FKEY(23, XK_F11);
527 break;
528 case XK_F15: /* "\033[28~" */
529 case XK_F16: /* "\033[29~" */
530 FKEY(28, XK_F15);
531 break;
532 case XK_Help: /* "\033[28~" */
533 FKEY(28, XK_Help);
534 break;
535 case XK_Menu: /* "\033[29~" */
536 FKEY(29, XK_Menu);
537 break;
538 case XK_F17: /* "\033[31~" */
539 case XK_F18: /* "\033[32~" */
540 case XK_F19: /* "\033[33~" */
541 case XK_F20: /* "\033[34~" */
542 case XK_F21: /* "\033[35~" */
543 case XK_F22: /* "\033[36~" */
544 case XK_F23: /* "\033[37~" */
545 case XK_F24: /* "\033[38~" */
546 case XK_F25: /* "\033[39~" */
547 case XK_F26: /* "\033[40~" */
548 case XK_F27: /* "\033[41~" */
549 case XK_F28: /* "\033[42~" */
550 case XK_F29: /* "\033[43~" */
551 case XK_F30: /* "\033[44~" */
552 case XK_F31: /* "\033[45~" */
553 case XK_F32: /* "\033[46~" */
554 case XK_F33: /* "\033[47~" */
555 case XK_F34: /* "\033[48~" */
556 case XK_F35: /* "\033[49~" */
557 FKEY(31, XK_F17);
558 break;
559 #undef FKEY
560 default:
561 newlen = 0;
562 break;
563 }
564 if (newlen)
565 len = STRLEN(kbuf);
566 }
567 /*
568 * Pass meta for all function keys, if 'meta' option set
569 */
570 #ifdef META8_OPTION
571 if (meta && (R->meta_char == 0x80) && len > 0)
572 kbuf[len - 1] |= 0x80;
573 #endif
574 } else if (ctrl && keysym == XK_minus) {
575 len = 1;
576 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
577 } else {
578 #ifdef META8_OPTION
579 /* set 8-bit on */
580 if (meta && (R->meta_char == 0x80)) {
581 unsigned char *ch;
582
583 for (ch = kbuf; ch < kbuf + len; ch++)
584 *ch |= 0x80;
585 meta = 0;
586 }
587 #endif
588 #ifdef GREEK_SUPPORT
589 if (R->greek_mode)
590 len = greek_xlat(kbuf, len);
591 #endif
592 /* nil */ ;
593 }
594 }
595
596 if (len <= 0)
597 return; /* not mapped */
598
599 if (R->Options & Opt_scrollTtyKeypress)
600 if (R->TermWin.view_start) {
601 R->TermWin.view_start = 0;
602 R->want_refresh = 1;
603 }
604
605 /*
606 * these modifications only affect the static keybuffer
607 * pass Shift/Control indicators for function keys ending with `~'
608 *
609 * eg,
610 * Prior = "ESC[5~"
611 * Shift+Prior = "ESC[5$"
612 * Ctrl+Prior = "ESC[5^"
613 * Ctrl+Shift+Prior = "ESC[5@"
614 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
615 */
616 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
617 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
618
619 /* escape prefix */
620 if (meta
621 #ifdef META8_OPTION
622 && (R->meta_char == C0_ESC)
623 #endif
624 ) {
625 const unsigned char ch = C0_ESC;
626
627 R->tt_write(&ch, 1);
628 }
629 #ifdef DEBUG_CMD
630 if (debug_key) { /* Display keyboard buffer contents */
631 char *p;
632 int i;
633
634 fprintf(stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
635 for (i = 0, p = kbuf; i < len; i++, p++)
636 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
637 fprintf(stderr, "'\n");
638 }
639 #endif /* DEBUG_CMD */
640 R->tt_write (kbuf, (unsigned int)len);
641 }
642 /*}}} */
643
644 #if (MENUBAR_MAX)
645 /*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
646 /* attempt to `write' count to the input buffer */
647 /* EXTPROTO */
648 unsigned int
649 rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
650 {
651 unsigned int n, s;
652 unsigned char *cmdbuf_base = R->cmdbuf_base,
653 *cmdbuf_endp = R->cmdbuf_endp,
654 *cmdbuf_ptr = R->cmdbuf_ptr;
655
656 n = cmdbuf_ptr - cmdbuf_base;
657 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp;
658 if (n > 0 && s < count) {
659 MEMMOVE(cmdbuf_base, cmdbuf_ptr,
660 (unsigned int)(cmdbuf_endp - cmdbuf_ptr));
661 cmdbuf_ptr = cmdbuf_base;
662 cmdbuf_endp -= n;
663 s += n;
664 }
665 if (count > s) {
666 rxvt_print_error("data loss: cmd_write too large");
667 count = s;
668 }
669 for (; count--;)
670 *cmdbuf_endp++ = *str++;
671 R->cmdbuf_ptr = cmdbuf_ptr;
672 R->cmdbuf_endp = cmdbuf_endp;
673 return 0;
674 }
675 #endif /* MENUBAR_MAX */
676
677 void
678 rxvt_term::flush ()
679 {
680 #ifdef TRANSPARENT
681 if (want_full_refresh)
682 {
683 want_full_refresh = 0;
684 scr_clear ();
685 scr_touch (false);
686 want_refresh = 1;
687 }
688 #endif
689
690 if (want_refresh)
691 {
692 scr_refresh (refresh_type);
693 rxvt_scrollbar_show (this, 1);
694 #ifdef USE_XIM
695 rxvt_IMSendSpot (this);
696 #endif
697 }
698
699 XFlush (Xdisplay);
700 }
701
702 void
703 rxvt_term::check_cb (check_watcher &w)
704 {
705 SET_R (this);
706 SET_LOCALE (locale);
707
708 flush ();
709 }
710
711 void
712 rxvt_term::process_x_events ()
713 {
714 do
715 {
716 XEvent xev;
717
718 XNextEvent (Xdisplay, &xev);
719
720 #if defined(CURSOR_BLINK)
721 if ((Options & Opt_cursorBlink) && xev.type == KeyPress)
722 {
723 if (hidden_cursor)
724 {
725 hidden_cursor = 0;
726 want_refresh = 1;
727 }
728
729 cursor_blink_ev.start (NOW + BLINK_INTERVAL);
730 }
731 #endif
732
733 #if defined(POINTER_BLANK)
734 if ((Options & Opt_pointerBlank) && pointerBlankDelay > 0)
735 {
736 if (xev.type == MotionNotify
737 || xev.type == ButtonPress
738 || xev.type == ButtonRelease)
739 if (hidden_pointer)
740 pointer_unblank ();
741
742 if (xev.type == KeyPress && hidden_pointer == 0)
743 pointer_blank ();
744 }
745 #endif
746
747 #ifdef USE_XIM
748 if (!XFilterEvent (&xev, xev.xany.window))
749 #endif
750 rxvt_process_x_event (this, &xev);
751 }
752 while (XPending (Xdisplay));
753 }
754
755 #ifdef CURSOR_BLINK
756 void
757 rxvt_term::cursor_blink_cb (time_watcher &w)
758 {
759 hidden_cursor = !hidden_cursor;
760 want_refresh = 1;
761
762 w.start (w.at + BLINK_INTERVAL);
763 }
764 #endif
765
766 #ifdef TEXT_BLINK
767 void
768 rxvt_term::text_blink_cb (time_watcher &w)
769 {
770 if (scr_refresh_rend (RS_Blink, RS_Blink))
771 {
772 hidden_text = !hidden_text;
773 want_refresh = 1;
774 w.start (w.at + TEXT_BLINK_INTERVAL);
775 }
776 }
777 #endif
778
779 void
780 rxvt_term::x_cb (io_watcher &w, short revents)
781 {
782 SET_R (this);
783 SET_LOCALE (locale);
784
785 process_x_events ();
786 }
787
788 bool
789 rxvt_term::pty_fill ()
790 {
791 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
792
793 memmove (cmdbuf_base, cmdbuf_ptr, n);
794 cmdbuf_ptr = cmdbuf_base;
795 cmdbuf_endp = cmdbuf_ptr + n;
796
797 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n);
798
799 if (n > 0)
800 {
801 cmdbuf_endp += n;
802 return true;
803 }
804 else if (n < 0 && errno != EAGAIN)
805 destroy ();
806
807 return false;
808 }
809
810 void
811 rxvt_term::pty_cb (io_watcher &w, short revents)
812 {
813 SET_R (this);
814 SET_LOCALE (locale);
815
816 if (revents & EVENT_WRITE)
817 tt_write (0, 0);
818 else if (revents & EVENT_READ)
819 {
820 bool flag = true;
821
822 // loop, but don't allow a single term to monopolize us
823 // the number of loops is fully arbitrary, and thus wrong
824 while (flag && pty_fill ())
825 {
826 if (!seen_input)
827 {
828 seen_input = 1;
829 /* once we know the shell is running, send the screen size. Again! */
830 tt_winch ();
831 }
832
833 uint32_t ch = NOCHAR;
834
835 for (;;)
836 {
837 if (ch == NOCHAR)
838 ch = next_char ();
839
840 if (ch == NOCHAR) // TODO: improve
841 break;
842
843 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
844 {
845 /* Read a text string from the input buffer */
846 uint32_t buf[BUFSIZ];
847 bool refreshnow = false;
848 int nlines = 0;
849 uint32_t *str = buf;
850
851 *str++ = ch;
852
853 for (;;)
854 {
855 ch = next_char ();
856
857 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
858 break;
859 else
860 {
861 *str++ = ch;
862
863 if (ch == '\n')
864 {
865 nlines++;
866 refresh_count++;
867
868 if (!(Options & Opt_jumpScroll)
869 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
870 {
871 refreshnow = true;
872 flag = false;
873 ch = NOCHAR;
874 break;
875 }
876 }
877
878 if (str >= buf + BUFSIZ)
879 {
880 ch = NOCHAR;
881 break;
882 }
883 }
884 }
885
886 rxvt_scr_add_lines (this, buf, nlines, str - buf);
887
888 /*
889 * If there have been a lot of new lines, then update the screen
890 * What the heck I'll cheat and only refresh less than every page-full.
891 * the number of pages between refreshes is refresh_limit, which
892 * is incremented here because we must be doing flat-out scrolling.
893 *
894 * refreshing should be correct for small scrolls, because of the
895 * time-out
896 */
897 if (refreshnow)
898 {
899 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
900 refresh_limit++;
901
902 scr_refresh (refresh_type);
903 }
904
905 }
906 else
907 {
908 switch (ch)
909 {
910 default:
911 rxvt_process_nonprinting (this, ch);
912 break;
913 case C0_ESC: /* escape char */
914 rxvt_process_escape_seq (this);
915 break;
916 /*case 0x9b: */ /* CSI */
917 /* rxvt_process_csi_seq (this); */
918 }
919
920 ch = NOCHAR;
921 }
922 }
923 }
924 }
925 }
926
927 // read the next character, currently handles UTF-8
928 // will probably handle all sorts of other stuff in the future
929 uint32_t
930 rxvt_term::next_char ()
931 {
932 while (cmdbuf_ptr < cmdbuf_endp)
933 {
934 if (*cmdbuf_ptr < 0x80) // assume < 0x80 to be ascii ALWAYS (all shift-states etc.) uh-oh
935 return *cmdbuf_ptr++;
936
937 wchar_t wc;
938 int len = mbrtowc (&wc, (char *)cmdbuf_ptr, cmdbuf_endp - cmdbuf_ptr, &mbstate.mbs);
939
940 if (len == (size_t)-2)
941 return NOCHAR;
942
943 if (len == (size_t)-1)
944 return *cmdbuf_ptr++; // the _occasional_ latin1 character is allowed to slip through
945
946 // assume wchar == unicode
947 cmdbuf_ptr += len;
948 return wc;
949 }
950
951 return NOCHAR;
952 }
953
954 /* rxvt_cmd_getc() - Return next input character */
955 /*
956 * Return the next input character after first passing any keyboard input
957 * to the command.
958 */
959 /* INTPROTO */
960 uint32_t
961 rxvt_cmd_getc(pR)
962 {
963 for (;;)
964 {
965 uint32_t c = R->next_char ();
966 if (c != NOCHAR)
967 return c;
968
969 // incomplete sequences should occur rarely, still, a better solution
970 // would be preferred. either setjmp/longjmp or better design.
971 fcntl (R->cmd_fd, F_SETFL, 0);
972 R->pty_fill ();
973 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
974 }
975
976 #if 0
977 #define TIMEOUT_USEC 5000
978 fd_set readfds;
979 int quick_timeout, select_res;
980 int want_motion_time, want_keypress_time;
981 struct timeval value;
982 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
983 struct timeval tp;
984 #endif
985
986 for (;;) {
987 /* loop until we can return something */
988
989 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
990 R->tt_write(NULL, 0);
991
992 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
993 if (R->mouse_slip_wheel_speed) {
994 quick_timeout = 1;
995 if (!R->mouse_slip_wheel_delay--
996 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
997 abs(R->mouse_slip_wheel_speed))) {
998 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
999 R->refresh_type |= SMOOTH_REFRESH;
1000 R->want_refresh = 1;
1001 }
1002 }
1003 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
1004 #ifdef SELECTION_SCROLLING
1005 if (R->pending_scroll_selection) {
1006 quick_timeout = 1;
1007 if (!R->scroll_selection_delay--
1008 && rxvt_scr_page(aR_ R->scroll_selection_dir,
1009 R->scroll_selection_lines)) {
1010 R->selection_extend (R->selection_save_x,
1011 R->selection_save_y, R->selection_save_state);
1012 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
1013 R->refresh_type |= SMOOTH_REFRESH;
1014 R->want_refresh = 1;
1015 }
1016 }
1017 #endif
1018 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1019 if (scrollbar_isUp() || scrollbar_isDn()) {
1020 quick_timeout = 1;
1021 if (!R->scroll_arrow_delay--
1022 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
1023 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
1024 R->refresh_type |= SMOOTH_REFRESH;
1025 R->want_refresh = 1;
1026 }
1027 }
1028 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1029
1030 #ifdef TRANSPARENT
1031 quick_timeout |= R->want_full_refresh;
1032 #endif
1033 #endif
1034 }
1035
1036 #ifdef POINTER_BLANK
1037 void
1038 rxvt_term::pointer_unblank ()
1039 {
1040 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1041 recolour_cursor ();
1042
1043 hidden_pointer = 0;
1044
1045 if (Options & Opt_pointerBlank)
1046 pointer_ev.start (NOW + pointerBlankDelay);
1047 }
1048
1049 void
1050 rxvt_term::pointer_blank ()
1051 {
1052 if (!(Options & Opt_pointerBlank))
1053 return;
1054
1055 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1056 XFlush (Xdisplay);
1057
1058 hidden_pointer = 1;
1059 }
1060
1061 void
1062 rxvt_term::pointer_cb (time_watcher &w)
1063 {
1064 SET_R (this);
1065 SET_LOCALE (locale);
1066
1067 pointer_blank ();
1068 }
1069 #endif
1070
1071 /* INTPROTO */
1072 void
1073 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1074 {
1075 int button_number, key_state = 0;
1076 int x, y;
1077
1078 x = ev->x;
1079 y = ev->y;
1080 R->pixel_position (&x, &y);
1081
1082 if (R->MEvent.button == AnyButton) {
1083 button_number = 3;
1084 } else {
1085 button_number = R->MEvent.button - Button1;
1086 /* add 0x3D for wheel events, like xterm does */
1087 if (button_number >= 3)
1088 button_number += (64 - 3);
1089 }
1090
1091 if (R->PrivateModes & PrivMode_MouseX10) {
1092 /*
1093 * do not report ButtonRelease
1094 * no state info allowed
1095 */
1096 key_state = 0;
1097 if (button_number == 3)
1098 return;
1099 } else {
1100 /* XTerm mouse reporting needs these values:
1101 * 4 = Shift
1102 * 8 = Meta
1103 * 16 = Control
1104 * plus will add in our own Double-Click reporting
1105 * 32 = Double Click
1106 */
1107 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1108 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1109 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1110 #ifdef MOUSE_REPORT_DOUBLECLICK
1111 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1112 #endif
1113 }
1114
1115 #ifdef DEBUG_MOUSEREPORT
1116 fprintf(stderr, "Mouse [");
1117 if (key_state & 16)
1118 fputc('C', stderr);
1119 if (key_state & 4)
1120 fputc('S', stderr);
1121 if (key_state & 8)
1122 fputc('A', stderr);
1123 if (key_state & 32)
1124 fputc('2', stderr);
1125 fprintf(stderr, "]: <%d>, %d/%d\n",
1126 button_number,
1127 x + 1,
1128 y + 1);
1129 #else
1130 R->tt_printf("\033[M%c%c%c",
1131 (32 + button_number + key_state),
1132 (32 + x + 1),
1133 (32 + y + 1));
1134 #endif
1135 }
1136
1137 #ifdef USING_W11LIB
1138 /* EXTPROTO */
1139 void
1140 rxvt_W11_process_x_event(XEvent *ev)
1141 {
1142 rxvt_t *r = rxvt_get_r();
1143
1144 rxvt_process_x_event(aR_ ev);
1145 }
1146 #endif
1147
1148 /*{{{ process an X event */
1149 /* INTPROTO */
1150 void
1151 rxvt_process_x_event(pR_ XEvent *ev)
1152 {
1153 int i, want_timeout;
1154 Window unused_root, unused_child;
1155 int unused_root_x, unused_root_y;
1156 unsigned int unused_mask;
1157
1158 #ifdef DEBUG_X
1159 const char *const eventnames[] =
1160 { /* mason - this matches my system */
1161 "",
1162 "",
1163 "KeyPress",
1164 "KeyRelease",
1165 "ButtonPress",
1166 "ButtonRelease",
1167 "MotionNotify",
1168 "EnterNotify",
1169 "LeaveNotify",
1170 "FocusIn",
1171 "FocusOut",
1172 "KeymapNotify",
1173 "Expose",
1174 "GraphicsExpose",
1175 "NoExpose",
1176 "VisibilityNotify",
1177 "CreateNotify",
1178 "DestroyNotify",
1179 "UnmapNotify",
1180 "MapNotify",
1181 "MapRequest",
1182 "ReparentNotify",
1183 "ConfigureNotify",
1184 "ConfigureRequest",
1185 "GravityNotify",
1186 "ResizeRequest",
1187 "CirculateNotify",
1188 "CirculateRequest",
1189 "PropertyNotify",
1190 "SelectionClear",
1191 "SelectionRequest",
1192 "SelectionNotify",
1193 "ColormapNotify",
1194 "ClientMessage",
1195 "MappingNotify"
1196 };
1197 #endif
1198
1199 #ifdef DEBUG_X
1200 struct timeval tp;
1201 struct tm *ltt;
1202 (void)gettimeofday(&tp, NULL);
1203 ltt = localtime(&(tp.tv_sec));
1204 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));
1205 #endif
1206
1207 switch (ev->type) {
1208 case KeyPress:
1209 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1210 break;
1211
1212 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1213 case KeyRelease:
1214 {
1215 if (!(ev->xkey.state & ControlMask))
1216 R->mouse_slip_wheel_speed = 0;
1217 else {
1218 KeySym ks;
1219
1220 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1221 if (ks == XK_Control_L || ks == XK_Control_R)
1222 R->mouse_slip_wheel_speed = 0;
1223 }
1224 break;
1225 }
1226 #endif
1227
1228 case ButtonPress:
1229 rxvt_button_press(aR_ (XButtonEvent *)ev);
1230 break;
1231
1232 case ButtonRelease:
1233 rxvt_button_release(aR_ (XButtonEvent *)ev);
1234 break;
1235
1236 case ClientMessage:
1237 if (ev->xclient.format == 32
1238 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1239 R->destroy ();
1240 #ifdef OFFIX_DND
1241 /* OffiX Dnd (drag 'n' drop) protocol */
1242 else if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1243 && (ev->xclient.data.l[0] == DndFile
1244 || ev->xclient.data.l[0] == DndDir
1245 || ev->xclient.data.l[0] == DndLink)) {
1246 /* Get Dnd data */
1247 Atom ActualType;
1248 int ActualFormat;
1249 unsigned char *data;
1250 unsigned long Size, RemainingBytes;
1251
1252 XGetWindowProperty(R->Xdisplay, Xroot,
1253 R->xa[XA_DNDSELECTION],
1254 0L, 1000000L,
1255 False, AnyPropertyType,
1256 &ActualType, &ActualFormat,
1257 &Size, &RemainingBytes,
1258 &data);
1259 XChangeProperty(R->Xdisplay, Xroot,
1260 XA_CUT_BUFFER0, XA_STRING,
1261 8, PropModeReplace,
1262 data, STRLEN(data));
1263 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1264 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1265 }
1266 #endif /* OFFIX_DND */
1267 break;
1268
1269 case MappingNotify:
1270 XRefreshKeyboardMapping(&(ev->xmapping));
1271 break;
1272
1273 /*
1274 * XXX: this is not the _current_ arrangement
1275 * Here's my conclusion:
1276 * If the window is completely unobscured, use bitblt's
1277 * to scroll. Even then, they're only used when doing partial
1278 * screen scrolling. When partially obscured, we have to fill
1279 * in the GraphicsExpose parts, which means that after each refresh,
1280 * we need to wait for the graphics expose or Noexpose events,
1281 * which ought to make things real slow!
1282 */
1283 case VisibilityNotify:
1284 switch (ev->xvisibility.state)
1285 {
1286 case VisibilityUnobscured:
1287 R->refresh_type = FAST_REFRESH;
1288 break;
1289 case VisibilityPartiallyObscured:
1290 R->refresh_type = SLOW_REFRESH;
1291 break;
1292 default:
1293 R->refresh_type = NO_REFRESH;
1294 break;
1295 }
1296 break;
1297
1298 case FocusIn:
1299 if (!R->TermWin.focus) {
1300 R->TermWin.focus = 1;
1301 R->want_refresh = 1;
1302 #ifdef USE_XIM
1303 if (R->Input_Context != NULL)
1304 XSetICFocus(R->Input_Context);
1305 #endif
1306 #ifdef CURSOR_BLINK
1307 if (R->Options & Opt_cursorBlink)
1308 R->cursor_blink_ev.start (NOW + BLINK_INTERVAL);
1309 #endif
1310 }
1311 break;
1312
1313 case FocusOut:
1314 if (R->TermWin.focus) {
1315 R->TermWin.focus = 0;
1316 R->want_refresh = 1;
1317 #ifdef USE_XIM
1318 if (R->Input_Context != NULL)
1319 XUnsetICFocus(R->Input_Context);
1320 #endif
1321 #ifdef CURSOR_BLINK
1322 if (R->Options & Opt_cursorBlink)
1323 R->cursor_blink_ev.stop ();
1324 R->hidden_cursor = 0;
1325 #endif
1326 }
1327 break;
1328
1329 case ConfigureNotify:
1330 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1331 int height, width;
1332
1333 do { /* Wrap lots of configures into one */
1334 width = ev->xconfigure.width;
1335 height = ev->xconfigure.height;
1336 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1337 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1338 ConfigureNotify, ev));
1339 if (R->szHint.width != width || R->szHint.height != height) {
1340 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1341 R->resize_all_windows (width, height, 1);
1342 }
1343 #ifdef DEBUG_SIZE
1344 else {
1345 D_SIZE((stderr, "Size: Not resizing"));
1346 }
1347 #endif
1348 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1349 if (R->Options & Opt_transparent) {
1350 rxvt_check_our_parents(aR);
1351 if (R->am_transparent)
1352 R->want_full_refresh = 1;
1353 }
1354 #endif
1355 }
1356 break;
1357
1358 case SelectionClear:
1359 rxvt_selection_clear(aR);
1360 break;
1361
1362 case SelectionNotify:
1363 if (R->selection_wait == Sel_normal)
1364 rxvt_selection_paste(aR_ ev->xselection.requestor,
1365 ev->xselection.property, True);
1366 break;
1367
1368 case SelectionRequest:
1369 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1370 break;
1371
1372 case UnmapNotify:
1373 R->TermWin.mapped = 0;
1374 #ifdef TEXT_BLINK
1375 R->text_blink_ev.stop ();
1376 #endif
1377 break;
1378
1379 case MapNotify:
1380 R->TermWin.mapped = 1;
1381 #ifdef TEXT_BLINK
1382 R->text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);
1383 #endif
1384 break;
1385
1386 case PropertyNotify:
1387 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1388 if (ev->xproperty.state == PropertyNewValue)
1389 rxvt_selection_property(aR_ ev->xproperty.window,
1390 ev->xproperty.atom);
1391 break;
1392 }
1393 #ifdef TRANSPARENT
1394 /*
1395 * if user used some Esetroot compatible prog to set the root bg,
1396 * use the property to determine the pixmap. We use it later on.
1397 */
1398 if (R->xa[XA_XROOTPMAPID] == 0)
1399 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1400 "_XROOTPMAP_ID", False);
1401 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1402 break;
1403 /* FALLTHROUGH */
1404 case ReparentNotify:
1405 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1406 if (R->am_transparent)
1407 R->want_full_refresh = 1;
1408 }
1409 #endif /* TRANSPARENT */
1410 break;
1411
1412 case GraphicsExpose:
1413 case Expose:
1414 if (ev->xany.window == R->TermWin.vt) {
1415 #ifdef NO_SLOW_LINK_SUPPORT
1416 R->scr_expose (ev->xexpose.x, ev->xexpose.y,
1417 ev->xexpose.width, ev->xexpose.height, False);
1418 #else
1419 // don't understand this, so commented it out
1420 R->scr_expose (ev->xexpose.x, ev->xexpose.y,
1421 ev->xexpose.width, ev->xexpose.height, False);
1422 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1423 // ev->xexpose.width, R->TermWin.height, False);
1424 #endif
1425 R->want_refresh = 1;
1426 } else {
1427 XEvent unused_xevent;
1428
1429 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1430 Expose,
1431 &unused_xevent)) ;
1432 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1433 GraphicsExpose,
1434 &unused_xevent)) ;
1435 if (isScrollbarWindow(ev->xany.window)) {
1436 R->scrollBar.setIdle();
1437 rxvt_scrollbar_show(aR_ 0);
1438 }
1439 #ifdef MENUBAR
1440 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1441 rxvt_menubar_expose(aR);
1442 #endif
1443 #ifdef RXVT_GRAPHICS
1444 rxvt_Gr_expose(aR_ ev->xany.window);
1445 #endif
1446 }
1447 break;
1448
1449 case MotionNotify:
1450 #ifdef POINTER_BLANK
1451 if (R->hidden_pointer)
1452 R->pointer_unblank ();
1453 #endif
1454 #if MENUBAR
1455 if (isMenuBarWindow(ev->xany.window)) {
1456 rxvt_menubar_control(aR_ &(ev->xbutton));
1457 break;
1458 }
1459 #endif
1460 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1461 break;
1462
1463 if (ev->xany.window == R->TermWin.vt) {
1464 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1465 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1466 MotionNotify, ev)) ;
1467 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1468 &unused_root, &unused_child,
1469 &unused_root_x, &unused_root_y,
1470 &(ev->xbutton.x), &(ev->xbutton.y),
1471 &unused_mask);
1472 #ifdef MOUSE_THRESHOLD
1473 /* deal with a `jumpy' mouse */
1474 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1475 #endif
1476 R->selection_extend ((ev->xbutton.x), (ev->xbutton.y),
1477 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1478 #ifdef SELECTION_SCROLLING
1479 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1480 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1481 int dist;
1482
1483 R->pending_scroll_selection=1;
1484
1485 /* don't clobber the current delay if we are
1486 * already in the middle of scrolling.
1487 */
1488 if (R->scroll_selection_delay<=0)
1489 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1490
1491 /* save the event params so we can highlight
1492 * the selection in the pending-scroll loop
1493 */
1494 R->selection_save_x=ev->xbutton.x;
1495 R->selection_save_y=ev->xbutton.y;
1496 R->selection_save_state=
1497 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1498
1499 /* calc number of lines to scroll */
1500 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1501 R->scroll_selection_dir = UP;
1502 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1503 }
1504 else {
1505 R->scroll_selection_dir = DN;
1506 dist = ev->xbutton.y -
1507 (R->TermWin.int_bwidth + R->TermWin.height);
1508 }
1509 R->scroll_selection_lines=(Pixel2Height(dist)/
1510 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1511 MIN_IT(R->scroll_selection_lines,
1512 SELECTION_SCROLL_MAX_LINES);
1513 }
1514 else {
1515 /* we are within the text window, so we
1516 * shouldn't be scrolling
1517 */
1518 R->pending_scroll_selection = 0;
1519 }
1520 #endif
1521 #ifdef MOUSE_THRESHOLD
1522 }
1523 #endif
1524 }
1525 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1526 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1527 MotionNotify, ev)) ;
1528 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1529 &unused_root, &unused_child,
1530 &unused_root_x, &unused_root_y,
1531 &(ev->xbutton.x), &(ev->xbutton.y),
1532 &unused_mask);
1533 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1534 scrollbar_size());
1535 R->scr_refresh (R->refresh_type);
1536 R->refresh_limit = 0;
1537 rxvt_scrollbar_show(aR_ 1);
1538 }
1539 break;
1540 }
1541 }
1542
1543 /* INTPROTO */
1544 void
1545 rxvt_button_press(pR_ XButtonEvent *ev)
1546 {
1547 int reportmode = 0, clickintime;
1548
1549 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1550 if (!R->bypass_keystate)
1551 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1552 /*
1553 * VT window processing of button press
1554 */
1555 if (ev->window == R->TermWin.vt)
1556 {
1557 #if RXVT_GRAPHICS
1558 if (ev->subwindow != None)
1559 rxvt_Gr_ButtonPress (ev->x, ev->y);
1560 else
1561 #endif
1562 {
1563 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1564 if (reportmode)
1565 {
1566 /* mouse report from vt window */
1567 /* save the xbutton state (for ButtonRelease) */
1568 R->MEvent.state = ev->state;
1569 #ifdef MOUSE_REPORT_DOUBLECLICK
1570 if (ev->button == R->MEvent.button && clickintime)
1571 {
1572 /* same button, within alloted time */
1573 R->MEvent.clicks++;
1574 if (R->MEvent.clicks > 1)
1575 {
1576 /* only report double clicks */
1577 R->MEvent.clicks = 2;
1578 rxvt_mouse_report(aR_ ev);
1579
1580 /* don't report the release */
1581 R->MEvent.clicks = 0;
1582 R->MEvent.button = AnyButton;
1583 }
1584 }
1585 else
1586 {
1587 /* different button, or time expired */
1588 R->MEvent.clicks = 1;
1589 R->MEvent.button = ev->button;
1590 rxvt_mouse_report(aR_ ev);
1591 }
1592 #else
1593 R->MEvent.button = ev->button;
1594 rxvt_mouse_report(aR_ ev);
1595 #endif /* MOUSE_REPORT_DOUBLECLICK */
1596 }
1597 else
1598 {
1599 if (ev->button != R->MEvent.button)
1600 R->MEvent.clicks = 0;
1601 switch (ev->button)
1602 {
1603 case Button1:
1604 /* allow shift+left click to extend selection */
1605 if (ev->state & ShiftMask && !(R->PrivateModes & PrivMode_mouse_report))
1606 {
1607 if (R->MEvent.button == Button1 && clickintime)
1608 R->selection_rotate (ev->x, ev->y);
1609 else
1610 R->selection_extend (ev->x, ev->y, 1);
1611 }
1612 else
1613 {
1614 if (R->MEvent.button == Button1 && clickintime)
1615 R->MEvent.clicks++;
1616 else
1617 R->MEvent.clicks = 1;
1618
1619 R->selection_click (R->MEvent.clicks, ev->x, ev->y);
1620 }
1621
1622 R->MEvent.button = Button1;
1623 break;
1624
1625 case Button3:
1626 if (R->MEvent.button == Button3 && clickintime)
1627 R->selection_rotate (ev->x, ev->y);
1628 else
1629 R->selection_extend (ev->x, ev->y, 1);
1630 R->MEvent.button = Button3;
1631 break;
1632 }
1633 }
1634 R->MEvent.time = ev->time;
1635 return;
1636 }
1637 }
1638
1639 /*
1640 * Scrollbar window processing of button press
1641 */
1642 if (isScrollbarWindow(ev->window))
1643 {
1644 R->scrollBar.setIdle ();
1645 /*
1646 * Rxvt-style scrollbar:
1647 * move up if mouse is above slider
1648 * move dn if mouse is below slider
1649 *
1650 * XTerm-style scrollbar:
1651 * Move display proportional to pointer location
1652 * pointer near top -> scroll one line
1653 * pointer near bot -> scroll full page
1654 */
1655 #ifndef NO_SCROLLBAR_REPORT
1656 if (reportmode) {
1657 /*
1658 * Mouse report disabled scrollbar:
1659 * arrow buttons - send up/down
1660 * click on scrollbar - send pageup/down
1661 */
1662 if ((R->scrollBar.style == R_SB_NEXT
1663 && scrollbarnext_upButton(ev->y))
1664 || (R->scrollBar.style == R_SB_RXVT
1665 && scrollbarrxvt_upButton(ev->y)))
1666 R->tt_printf("\033[A");
1667 else if ((R->scrollBar.style == R_SB_NEXT
1668 && scrollbarnext_dnButton(ev->y))
1669 || (R->scrollBar.style == R_SB_RXVT
1670 && scrollbarrxvt_dnButton(ev->y)))
1671 R->tt_printf("\033[B");
1672 else
1673 switch (ev->button) {
1674 case Button2:
1675 R->tt_printf("\014");
1676 break;
1677 case Button1:
1678 R->tt_printf("\033[6~");
1679 break;
1680 case Button3:
1681 R->tt_printf("\033[5~");
1682 break;
1683 }
1684 }
1685 else
1686 #endif /* NO_SCROLLBAR_REPORT */
1687 {
1688 char upordown = 0;
1689
1690 if (R->scrollBar.style == R_SB_NEXT) {
1691 if (scrollbarnext_upButton(ev->y))
1692 upordown = -1; /* up */
1693 else if (scrollbarnext_dnButton(ev->y))
1694 upordown = 1; /* down */
1695 } else if (R->scrollBar.style == R_SB_RXVT) {
1696 if (scrollbarrxvt_upButton(ev->y))
1697 upordown = -1; /* up */
1698 else if (scrollbarrxvt_dnButton(ev->y))
1699 upordown = 1; /* down */
1700 }
1701 if (upordown) {
1702 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1703 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1704 #endif
1705 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1706 if (upordown < 0)
1707 R->scrollBar.setUp ();
1708 else
1709 R->scrollBar.setDn ();
1710 }
1711 } else
1712 switch (ev->button) {
1713 case Button2:
1714 switch (R->scrollbar_align) {
1715 case R_SB_ALIGN_TOP:
1716 R->csrO = 0;
1717 break;
1718 case R_SB_ALIGN_CENTRE:
1719 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1720 break;
1721 case R_SB_ALIGN_BOTTOM:
1722 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1723 break;
1724 }
1725 if (R->scrollBar.style == R_SB_XTERM
1726 || scrollbar_above_slider(ev->y)
1727 || scrollbar_below_slider(ev->y))
1728 rxvt_scr_move_to(aR_
1729 scrollbar_position(ev->y) - R->csrO,
1730 scrollbar_size());
1731 R->scrollBar.setMotion ();
1732 break;
1733
1734 case Button1:
1735 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1736 R->csrO = ev->y - R->scrollBar.top;
1737 /* FALLTHROUGH */
1738
1739 case Button3:
1740 if (R->scrollBar.style != R_SB_XTERM) {
1741 if (scrollbar_above_slider(ev->y))
1742 # ifdef RXVT_SCROLL_FULL
1743 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1744 # else
1745 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1746 # endif
1747 else if (scrollbar_below_slider(ev->y))
1748 # ifdef RXVT_SCROLL_FULL
1749 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1750 # else
1751 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1752 # endif
1753 else
1754 R->scrollBar.setMotion ();
1755 } else {
1756 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1757 (R->TermWin.nrow
1758 * scrollbar_position(ev->y)
1759 / scrollbar_size()));
1760 }
1761 break;
1762 }
1763 }
1764 return;
1765 }
1766 #if MENUBAR
1767 /*
1768 * Menubar window processing of button press
1769 */
1770 if (isMenuBarWindow(ev->window))
1771 rxvt_menubar_control(aR_ ev);
1772 #endif
1773 }
1774
1775 /* INTPROTO */
1776 void
1777 rxvt_button_release(pR_ XButtonEvent *ev)
1778 {
1779 int reportmode = 0;
1780
1781 R->csrO = 0; /* reset csr Offset */
1782 if (!R->bypass_keystate)
1783 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1784
1785 if (scrollbar_isUpDn()) {
1786 R->scrollBar.setIdle ();
1787 rxvt_scrollbar_show(aR_ 0);
1788 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1789 R->refresh_type &= ~SMOOTH_REFRESH;
1790 #endif
1791 }
1792 #ifdef SELECTION_SCROLLING
1793 R->pending_scroll_selection=0;
1794 #endif
1795 if (ev->window == R->TermWin.vt)
1796 {
1797 #ifdef RXVT_GRAPHICS
1798 if (ev->subwindow != None)
1799 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1800 else
1801 #endif
1802 {
1803 if (reportmode)
1804 {
1805 /* mouse report from vt window */
1806 /* don't report release of wheel "buttons" */
1807 if (ev->button >= 4)
1808 return;
1809 #ifdef MOUSE_REPORT_DOUBLECLICK
1810 /* only report the release of 'slow' single clicks */
1811 if (R->MEvent.button != AnyButton
1812 && (ev->button != R->MEvent.button
1813 || (ev->time - R->MEvent.time
1814 > MULTICLICK_TIME / 2)))
1815 {
1816 R->MEvent.clicks = 0;
1817 R->MEvent.button = AnyButton;
1818 rxvt_mouse_report(aR_ ev);
1819 }
1820 #else /* MOUSE_REPORT_DOUBLECLICK */
1821 R->MEvent.button = AnyButton;
1822 rxvt_mouse_report(aR_ ev);
1823 #endif /* MOUSE_REPORT_DOUBLECLICK */
1824 return;
1825 }
1826 /*
1827 * dumb hack to compensate for the failure of click-and-drag
1828 * when overriding mouse reporting
1829 */
1830 if (R->PrivateModes & PrivMode_mouse_report
1831 && R->bypass_keystate
1832 && ev->button == Button1 && R->MEvent.clicks <= 1)
1833 R->selection_extend (ev->x, ev->y, 0);
1834
1835 switch (ev->button) {
1836 case Button1:
1837 case Button3:
1838 rxvt_selection_make(aR_ ev->time);
1839 break;
1840 case Button2:
1841 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1842 break;
1843 #ifdef MOUSE_WHEEL
1844 case Button4:
1845 case Button5:
1846 {
1847 int i;
1848 page_dirn v;
1849
1850 v = (ev->button == Button4) ? UP : DN;
1851 if (ev->state & ShiftMask)
1852 i = 1;
1853 else if ((R->Options & Opt_mouseWheelScrollPage))
1854 i = R->TermWin.nrow - 1;
1855 else
1856 i = 5;
1857 # ifdef MOUSE_SLIP_WHEELING
1858 if (ev->state & ControlMask)
1859 {
1860 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1861 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1862 }
1863 # endif
1864 # ifdef JUMP_MOUSE_WHEEL
1865 rxvt_scr_page(aR_ v, i);
1866 R->scr_refresh (SMOOTH_REFRESH);
1867 rxvt_scrollbar_show(aR_ 1);
1868 # else
1869 while (i--)
1870 {
1871 rxvt_scr_page(aR_ v, 1);
1872 R->scr_refresh (SMOOTH_REFRESH);
1873 rxvt_scrollbar_show(aR_ 1);
1874 }
1875 # endif
1876 }
1877 break;
1878 #endif
1879 }
1880 }
1881 }
1882 #ifdef MENUBAR
1883 else if (isMenuBarWindow(ev->window))
1884 rxvt_menubar_control(aR_ ev);
1885 #endif
1886 }
1887
1888
1889 #ifdef TRANSPARENT
1890 /*
1891 * Check our parents are still who we think they are.
1892 * Do transparency updates if required
1893 */
1894 /* EXTPROTO */
1895 int
1896 rxvt_check_our_parents(pR)
1897 {
1898 int i, pchanged, aformat, have_pixmap, rootdepth;
1899 unsigned long nitems, bytes_after;
1900 Atom atype;
1901 unsigned char *prop = NULL;
1902 Window root, oldp, *list;
1903 Pixmap rootpixmap = None;
1904 XWindowAttributes wattr, wrootattr;
1905
1906 pchanged = 0;
1907
1908 if (!(R->Options & Opt_transparent))
1909 return pchanged; /* Don't try any more */
1910
1911 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1912 rootdepth = wrootattr.depth;
1913
1914 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1915 if (rootdepth != wattr.depth) {
1916 if (R->am_transparent) {
1917 pchanged = 1;
1918 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1919 R->PixColors[Color_bg]);
1920 R->am_transparent = R->am_pixmap_trans = 0;
1921 }
1922 return pchanged; /* Don't try any more */
1923 }
1924
1925 /* Get all X ops out of the queue so that our information is up-to-date. */
1926 XSync(R->Xdisplay, False);
1927
1928 /*
1929 * Make the frame window set by the window manager have
1930 * the root background. Some window managers put multiple nested frame
1931 * windows for each client, so we have to take care about that.
1932 */
1933 i = (R->xa[XA_XROOTPMAPID] != 0
1934 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1935 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1936 &nitems, &bytes_after, &prop) == Success));
1937 if (!i || prop == NULL)
1938 have_pixmap = 0;
1939 else {
1940 have_pixmap = 1;
1941 rootpixmap = *((Pixmap *)prop);
1942 XFree(prop);
1943 }
1944 if (have_pixmap) {
1945 /*
1946 * Copy Xroot pixmap transparency
1947 */
1948 int sx, sy, nx, ny;
1949 unsigned int nw, nh;
1950 Window cr;
1951 XImage *image;
1952 GC gc;
1953 XGCValues gcvalue;
1954
1955 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1956 0, 0, &sx, &sy, &cr);
1957 nw = (unsigned int)R->szHint.width;
1958 nh = (unsigned int)R->szHint.height;
1959 nx = ny = 0;
1960 if (sx < 0) {
1961 nw += sx;
1962 nx = -sx;
1963 sx = 0;
1964 }
1965 if (sy < 0) {
1966 nh += sy;
1967 ny = -sy;
1968 sy = 0;
1969 }
1970 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1971 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1972 R->allowedxerror = -1;
1973 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1974 ZPixmap);
1975 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1976 /* XXX: may need a delay here? */
1977 R->allowedxerror = 0;
1978 if (image == NULL) {
1979 if (R->am_transparent && R->am_pixmap_trans) {
1980 pchanged = 1;
1981 if (R->TermWin.pixmap != None) {
1982 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1983 R->TermWin.pixmap = None;
1984 }
1985 }
1986 R->am_pixmap_trans = 0;
1987 } else {
1988 if (R->TermWin.pixmap != None)
1989 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1990 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1991 (unsigned int)R->szHint.width,
1992 (unsigned int)R->szHint.height,
1993 (unsigned int)image->depth);
1994 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1995 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1996 nx, ny, (unsigned int)image->width,
1997 (unsigned int)image->height);
1998 XFreeGC(R->Xdisplay, gc);
1999 XDestroyImage(image);
2000 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2001 R->TermWin.pixmap);
2002 if (!R->am_transparent || !R->am_pixmap_trans)
2003 pchanged = 1;
2004 R->am_transparent = R->am_pixmap_trans = 1;
2005 }
2006 }
2007 if (!R->am_pixmap_trans) {
2008 unsigned int n;
2009 /*
2010 * InheritPixmap transparency
2011 */
2012 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
2013 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
2014 i++) {
2015 oldp = R->TermWin.parent[i];
2016 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2017 &R->TermWin.parent[i], &list, &n);
2018 XFree(list);
2019 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2020 if (R->TermWin.parent[i] == Xroot) {
2021 if (oldp != None)
2022 pchanged = 1;
2023 break;
2024 }
2025 if (oldp != R->TermWin.parent[i])
2026 pchanged = 1;
2027 }
2028 n = 0;
2029 if (pchanged) {
2030 for (; n < (unsigned int)i; n++) {
2031 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2032 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2033 if (wattr.depth != rootdepth || wattr.c_class == InputOnly) {
2034 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2035 break;
2036 }
2037 }
2038 }
2039 if (n > (int)(sizeof(R->TermWin.parent)
2040 / sizeof(R->TermWin.parent[0]))) {
2041 D_X((stderr, "InheritPixmap Turning off"));
2042 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2043 R->PixColors[Color_fg]);
2044 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2045 R->PixColors[Color_bg]);
2046 R->am_transparent = 0;
2047 /* XXX: also turn off Opt_transparent? */
2048 } else {
2049 /* wait (an arbitrary period) for the WM to do its thing
2050 * needed for fvwm2.2.2 (and before?) */
2051 # ifdef HAVE_NANOSLEEP
2052 struct timespec rqt;
2053
2054 rqt.tv_sec = 1;
2055 rqt.tv_nsec = 0;
2056 nanosleep(&rqt, NULL);
2057 # else
2058 sleep(1);
2059 # endif
2060 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2061 for (n = 0; n < (unsigned int)i; n++)
2062 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2063 ParentRelative);
2064 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2065 ParentRelative);
2066 R->am_transparent = 1;
2067 }
2068 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2069 R->TermWin.parent[i] = None;
2070 }
2071 return pchanged;
2072 }
2073 #endif
2074
2075 /*}}} */
2076
2077 /*{{{ print pipe */
2078 /*----------------------------------------------------------------------*/
2079 #ifdef PRINTPIPE
2080 /* EXTPROTO */
2081 FILE *
2082 rxvt_popen_printer(pR)
2083 {
2084 FILE *stream = popen(R->rs[Rs_print_pipe], "w");
2085
2086 if (stream == NULL)
2087 rxvt_print_error("can't open printer pipe");
2088 return stream;
2089 }
2090
2091 /* EXTPROTO */
2092 int
2093 rxvt_pclose_printer (FILE *stream)
2094 {
2095 fflush (stream);
2096 /* pclose() reported not to work on SunOS 4.1.3 */
2097 # if defined (__sun__) /* TODO: RESOLVE THIS */
2098 /* pclose works provided SIGCHLD handler uses waitpid */
2099 return pclose (stream); /* return fclose (stream); */
2100 # else
2101 return pclose (stream);
2102 # endif
2103 }
2104
2105 /*
2106 * simulate attached vt100 printer
2107 */
2108 /* INTPROTO */
2109 void
2110 rxvt_process_print_pipe(pR)
2111 {
2112 int done;
2113 FILE *fd;
2114
2115 if ((fd = rxvt_popen_printer(aR)) == NULL)
2116 return;
2117
2118 /*
2119 * Send all input to the printer until either ESC[4i or ESC[?4i
2120 * is received.
2121 */
2122 for (done = 0; !done;) {
2123 unsigned char buf[8];
2124 unsigned char ch;
2125 unsigned int i, len;
2126
2127 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2128 if (putc(ch, fd) == EOF)
2129 break; /* done = 1 */
2130 } else {
2131 len = 0;
2132 buf[len++] = ch;
2133
2134 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2135 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2136 buf[len++] = '?';
2137 ch = rxvt_cmd_getc(aR);
2138 }
2139 if ((buf[len++] = ch) == '4') {
2140 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2141 break; /* done = 1 */
2142 }
2143 }
2144 for (i = 0; i < len; i++)
2145 if (putc(buf[i], fd) == EOF) {
2146 done = 1;
2147 break;
2148 }
2149 }
2150 }
2151 rxvt_pclose_printer(fd);
2152 }
2153 #endif /* PRINTPIPE */
2154 /*}}} */
2155
2156 /* *INDENT-OFF* */
2157 enum {
2158 C1_40 = 0x40,
2159 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2160 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2161 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2162 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2163 };
2164 /* *INDENT-ON* */
2165
2166 /*{{{ process non-printing single characters */
2167 /* INTPROTO */
2168 void
2169 rxvt_process_nonprinting(pR_ unsigned char ch)
2170 {
2171 switch (ch) {
2172 case C0_ENQ: /* terminal Status */
2173 if (R->rs[Rs_answerbackstring])
2174 R->tt_write(
2175 (const unsigned char *)R->rs[Rs_answerbackstring],
2176 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2177 else
2178 R->tt_write((unsigned char *)VT100_ANS,
2179 (unsigned int)STRLEN(VT100_ANS));
2180 break;
2181 case C0_BEL: /* bell */
2182 rxvt_scr_bell(aR);
2183 break;
2184 case C0_BS: /* backspace */
2185 rxvt_scr_backspace(aR);
2186 break;
2187 case C0_HT: /* tab */
2188 rxvt_scr_tab(aR_ 1);
2189 break;
2190 case C0_CR: /* carriage return */
2191 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2192 break;
2193 case C0_VT: /* vertical tab, form feed */
2194 case C0_FF:
2195 case C0_LF: /* line feed */
2196 rxvt_scr_index(aR_ UP);
2197 break;
2198 case C0_SO: /* shift out - acs */
2199 rxvt_scr_charset_choose(aR_ 1);
2200 break;
2201 case C0_SI: /* shift in - acs */
2202 rxvt_scr_charset_choose(aR_ 0);
2203 break;
2204 }
2205 }
2206 /*}}} */
2207
2208
2209 /*{{{ process VT52 escape sequences */
2210 /* INTPROTO */
2211 void
2212 rxvt_process_escape_vt52(pR_ unsigned char ch)
2213 {
2214 int row, col;
2215
2216 switch (ch) {
2217 case 'A': /* cursor up */
2218 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2219 break;
2220 case 'B': /* cursor down */
2221 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2222 break;
2223 case 'C': /* cursor right */
2224 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2225 break;
2226 case 'D': /* cursor left */
2227 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2228 break;
2229 case 'H': /* cursor home */
2230 rxvt_scr_gotorc(aR_ 0, 0, 0);
2231 break;
2232 case 'I': /* cursor up and scroll down if needed */
2233 rxvt_scr_index(aR_ DN);
2234 break;
2235 case 'J': /* erase to end of screen */
2236 R->scr_erase_screen (0);
2237 break;
2238 case 'K': /* erase to end of line */
2239 rxvt_scr_erase_line(aR_ 0);
2240 break;
2241 case 'Y': /* move to specified row and col */
2242 /* full command is 'ESC Y row col' where row and col
2243 * are encoded by adding 32 and sending the ascii
2244 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2245 * etc. */
2246 row = rxvt_cmd_getc(aR) - ' ';
2247 col = rxvt_cmd_getc(aR) - ' ';
2248 rxvt_scr_gotorc(aR_ row, col, 0);
2249 break;
2250 case 'Z': /* identify the terminal type */
2251 R->tt_printf("\033/Z"); /* I am a VT100 emulating a VT52 */
2252 break;
2253 case '<': /* turn off VT52 mode */
2254 PrivMode(0, PrivMode_vt52);
2255 break;
2256 case 'F': /* use special graphics character set */
2257 case 'G': /* use regular character set */
2258 /* unimplemented */
2259 break;
2260 case '=': /* use alternate keypad mode */
2261 case '>': /* use regular keypad mode */
2262 /* unimplemented */
2263 break;
2264 }
2265 }
2266 /*}}} */
2267
2268
2269 /*{{{ process escape sequences */
2270 /* INTPROTO */
2271 void
2272 rxvt_process_escape_seq(pR)
2273 {
2274 unsigned char ch = rxvt_cmd_getc(aR);
2275
2276 if (R->PrivateModes & PrivMode_vt52) {
2277 rxvt_process_escape_vt52(aR_ ch);
2278 return;
2279 }
2280
2281 switch (ch) {
2282 /* case 1: do_tek_mode (); break; */
2283 case '#':
2284 if (rxvt_cmd_getc(aR) == '8')
2285 rxvt_scr_E(aR);
2286 break;
2287 case '(':
2288 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2289 break;
2290 case ')':
2291 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2292 break;
2293 case '*':
2294 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2295 break;
2296 case '+':
2297 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2298 break;
2299 #ifdef MULTICHAR_SET
2300 case '$':
2301 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2302 break;
2303 #endif
2304 #ifndef NO_FRILLS
2305 case '6':
2306 rxvt_scr_backindex(aR);
2307 break;
2308 #endif
2309 case '7':
2310 rxvt_scr_cursor(aR_ SAVE);
2311 break;
2312 case '8':
2313 rxvt_scr_cursor(aR_ RESTORE);
2314 break;
2315 #ifndef NO_FRILLS
2316 case '9':
2317 rxvt_scr_forwardindex(aR);
2318 break;
2319 #endif
2320 case '=':
2321 case '>':
2322 PrivMode((ch == '='), PrivMode_aplKP);
2323 break;
2324
2325 case C1_40:
2326 rxvt_cmd_getc(aR);
2327 break;
2328 case C1_44:
2329 rxvt_scr_index(aR_ UP);
2330 break;
2331
2332 /* 8.3.87: NEXT LINE */
2333 case C1_NEL: /* ESC E */
2334 {
2335 uint32_t nlcr[] = { '\n', '\r' };
2336 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2337 }
2338 break;
2339
2340 /* kidnapped escape sequence: Should be 8.3.48 */
2341 case C1_ESA: /* ESC G */
2342 rxvt_process_graphics(aR);
2343 break;
2344
2345 /* 8.3.63: CHARACTER TABULATION SET */
2346 case C1_HTS: /* ESC H */
2347 rxvt_scr_set_tab(aR_ 1);
2348 break;
2349
2350 /* 8.3.105: REVERSE LINE FEED */
2351 case C1_RI: /* ESC M */
2352 rxvt_scr_index(aR_ DN);
2353 break;
2354
2355 /* 8.3.142: SINGLE-SHIFT TWO */
2356 /*case C1_SS2: scr_single_shift (2); break; */
2357
2358 /* 8.3.143: SINGLE-SHIFT THREE */
2359 /*case C1_SS3: scr_single_shift (3); break; */
2360
2361 /* 8.3.27: DEVICE CONTROL STRING */
2362 case C1_DCS: /* ESC P */
2363 rxvt_process_dcs_seq(aR);
2364 break;
2365
2366 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2367 case C1_SCI: /* ESC Z */
2368 R->tt_write((const unsigned char *)ESCZ_ANSWER,
2369 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2370 break; /* steal obsolete ESC [ c */
2371
2372 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2373 case C1_CSI: /* ESC [ */
2374 rxvt_process_csi_seq(aR);
2375 break;
2376
2377 /* 8.3.90: OPERATING SYSTEM COMMAND */
2378 case C1_OSC: /* ESC ] */
2379 rxvt_process_osc_seq(aR);
2380 break;
2381
2382 /* 8.3.106: RESET TO INITIAL STATE */
2383 case 'c':
2384 rxvt_scr_poweron(aR);
2385 rxvt_scrollbar_show(aR_ 1);
2386 break;
2387
2388 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2389 case 'n':
2390 rxvt_scr_charset_choose(aR_ 2);
2391 break;
2392
2393 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2394 case 'o':
2395 rxvt_scr_charset_choose(aR_ 3);
2396 break;
2397 }
2398 }
2399 /*}}} */
2400
2401 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2402 /* *INDENT-OFF* */
2403 enum {
2404 CSI_ICH = 0x40,
2405 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2406 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2407 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2408 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2409 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2410 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2411 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2412 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2413 };
2414
2415 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2416 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2417 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2418 #define get_byte_array_bit(array, bit) \
2419 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2420
2421 const unsigned char csi_defaults[] = {
2422 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2423 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2424 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2425 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2426 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2427 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2428 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2429 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2430 };
2431 /* *INDENT-ON* */
2432
2433 /* INTPROTO */
2434 void
2435 rxvt_process_csi_seq(pR)
2436 {
2437 unsigned char ch, priv, i;
2438 unsigned int nargs, p;
2439 int n, ndef;
2440 int arg[ESC_ARGS];
2441
2442 for (nargs = ESC_ARGS; nargs > 0;)
2443 arg[--nargs] = 0;
2444
2445 priv = 0;
2446 ch = rxvt_cmd_getc(aR);
2447 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2448 priv = ch;
2449 ch = rxvt_cmd_getc(aR);
2450 }
2451 /* read any numerical arguments */
2452 for (n = -1; ch < CSI_ICH; ) {
2453 if (isdigit(ch)) {
2454 if (n < 0)
2455 n = ch - '0';
2456 else
2457 n = n * 10 + ch - '0';
2458 } else if (ch == ';') {
2459 if (nargs < ESC_ARGS)
2460 arg[nargs++] = n;
2461 n = -1;
2462 } else if (ch == '\b') {
2463 rxvt_scr_backspace(aR);
2464 } else if (ch == C0_ESC) {
2465 rxvt_process_escape_seq(aR);
2466 return;
2467 } else if (ch < ' ') {
2468 rxvt_process_nonprinting(aR_ ch);
2469 }
2470 ch = rxvt_cmd_getc(aR);
2471 }
2472
2473 if (ch > CSI_7F)
2474 return;
2475
2476 if (nargs < ESC_ARGS)
2477 arg[nargs++] = n;
2478
2479 i = ch - CSI_ICH;
2480 ndef = get_byte_array_bit(csi_defaults, i);
2481 for (p = 0; p < nargs; p++)
2482 if (arg[p] == -1)
2483 arg[p] = ndef;
2484
2485 #ifdef DEBUG_CMD
2486 fprintf(stderr, "CSI ");
2487 for (p = 0; p < nargs; p++)
2488 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2489 fprintf(stderr, "%c\n", ch);
2490 #endif
2491
2492 /*
2493 * private mode handling
2494 */
2495 if (priv) {
2496 switch (priv) {
2497 case '>':
2498 if (ch == CSI_DA) /* secondary device attributes */
2499 R->tt_printf("\033[>%d;%-.8s;0c", 'R', VSTRING);
2500 break;
2501 case '?':
2502 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2503 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2504 break;
2505 }
2506 return;
2507 }
2508
2509 switch (ch) {
2510 /*
2511 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2512 */
2513 #ifdef PRINTPIPE
2514 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2515 switch (arg[0]) {
2516 case 0: /* initiate transfer to primary aux device */
2517 rxvt_scr_printscreen(aR_ 0);
2518 break;
2519 case 5: /* start relay to primary aux device */
2520 rxvt_process_print_pipe(aR);
2521 break;
2522 }
2523 break;
2524 #endif
2525
2526 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2527 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2528 arg[0] = -arg[0];
2529 /* FALLTHROUGH */
2530 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2531 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2532 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2533 break;
2534
2535 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2536 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2537 #ifdef ISO6429
2538 arg[0] = -arg[0];
2539 #else /* emulate common DEC VTs */
2540 arg[0] = arg[0] ? -arg[0] : -1;
2541 #endif
2542 /* FALLTHROUGH */
2543 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2544 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2545 #ifdef ISO6429
2546 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2547 #else /* emulate common DEC VTs */
2548 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2549 #endif
2550 break;
2551
2552 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2553 arg[0] = -arg[0];
2554 /* FALLTHROUGH */
2555 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2556 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2557 break;
2558
2559 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2560 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2561 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2562 break;
2563
2564 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2565 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2566 break;
2567
2568 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2569 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2570 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2571 break;
2572
2573 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2574 arg[0] = -arg[0];
2575 /* FALLTHROUGH */
2576 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2577 rxvt_scr_tab(aR_ arg[0]);
2578 break;
2579
2580 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2581 R->scr_erase_screen (arg[0]);
2582 break;
2583
2584 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2585 rxvt_scr_erase_line(aR_ arg[0]);
2586 break;
2587
2588 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2589 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2590 break;
2591
2592 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2593 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2594 break;
2595
2596 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2597 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2598 break;
2599
2600 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2601 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2602 break;
2603
2604 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2605 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2606 break;
2607
2608 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2609 arg[0] = -arg[0];
2610 /* FALLTHROUGH */
2611 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2612 R->scr_scroll_text (R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2613 break;
2614
2615 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2616 R->tt_write((const unsigned char *)VT100_ANS,
2617 (unsigned int)(sizeof(VT100_ANS) - 1));
2618 break;
2619
2620 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2621 rxvt_process_sgr_mode(aR_ nargs, arg);
2622 break;
2623
2624 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2625 switch (arg[0]) {
2626 case 5: /* DSR requested */
2627 R->tt_printf("\033[0n");
2628 break;
2629 case 6: /* CPR requested */
2630 rxvt_scr_report_position(aR);
2631 break;
2632 #if defined (ENABLE_DISPLAY_ANSWER)
2633 case 7: /* unofficial extension */
2634 R->tt_printf("%-.250s\n", R->rs[Rs_display_name]);
2635 break;
2636 #endif
2637 case 8: /* unofficial extension */
2638 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2639 break;
2640 }
2641 break;
2642
2643 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2644 switch (arg[0]) {
2645 case 0: /* char tab stop cleared at active position */
2646 rxvt_scr_set_tab(aR_ 0);
2647 break;
2648 /* case 1: */ /* line tab stop cleared in active line */
2649 /* case 2: */ /* char tab stops cleared in active line */
2650 case 3: /* all char tab stops are cleared */
2651 /* case 4: */ /* all line tab stops are cleared */
2652 case 5: /* all tab stops are cleared */
2653 rxvt_scr_set_tab(aR_ -1);
2654 break;
2655 }
2656 break;
2657
2658 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2659 switch (arg[0]) {
2660 case 0: /* char tab stop set at active position */
2661 rxvt_scr_set_tab(aR_ 1);
2662 break; /* = ESC H */
2663 /* case 1: */ /* line tab stop set at active line */
2664 case 2: /* char tab stop cleared at active position */
2665 rxvt_scr_set_tab(aR_ 0);
2666 break; /* = ESC [ 0 g */
2667 /* case 3: */ /* line tab stop cleared at active line */
2668 /* case 4: */ /* char tab stops cleared at active line */
2669 case 5: /* all char tab stops are cleared */
2670 rxvt_scr_set_tab(aR_ -1);
2671 break; /* = ESC [ 3 g */
2672 /* case 6: */ /* all line tab stops are cleared */
2673 }
2674 break;
2675
2676 case CSI_RM: /* 8.3.107: RESET MODE */
2677 if (arg[0] == 4)
2678 rxvt_scr_insert_mode(aR_ 0);
2679 break;
2680
2681 case CSI_SM: /* 8.3.126: SET MODE */
2682 if (arg[0] == 4)
2683 rxvt_scr_insert_mode(aR_ 1);
2684 break;
2685
2686 /*
2687 * PRIVATE USE beyond this point. All CSI_7? sequences here
2688 */
2689 case CSI_72: /* DECSTBM: set top and bottom margins */
2690 if (nargs == 1)
2691 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2692 else if (nargs == 0 || arg[0] >= arg[1])
2693 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2694 else
2695 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2696 break;
2697
2698 case CSI_73:
2699 rxvt_scr_cursor(aR_ SAVE);
2700 break;
2701 case CSI_75:
2702 rxvt_scr_cursor(aR_ RESTORE);
2703 break;
2704
2705 #ifndef NO_FRILLS
2706 case CSI_74:
2707 rxvt_process_window_ops(aR_ arg, nargs);
2708 break;
2709 #endif
2710
2711 case CSI_78: /* DECREQTPARM */
2712 if (arg[0] == 0 || arg[0] == 1)
2713 R->tt_printf("\033[%d;1;1;128;128;1;0x", arg[0] + 2);
2714 /* FALLTHROUGH */
2715
2716 default:
2717 break;
2718 }
2719 }
2720 /*}}} */
2721
2722 #ifndef NO_FRILLS
2723 /* ARGSUSED */
2724 /* INTPROTO */
2725 void
2726 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2727 {
2728 int x, y;
2729 #if 0
2730 char *s;
2731 #endif
2732 XWindowAttributes wattr;
2733 Window wdummy;
2734
2735 if (nargs == 0)
2736 return;
2737 switch (args[0]) {
2738 /*
2739 * commands
2740 */
2741 case 1: /* deiconify window */
2742 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2743 break;
2744 case 2: /* iconify window */
2745 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2746 DefaultScreen(R->Xdisplay));
2747 break;
2748 case 3: /* set position (pixels) */
2749 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2750 break;
2751 case 4: /* set size (pixels) */
2752 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2753 break;
2754 case 5: /* raise window */
2755 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2756 break;
2757 case 6: /* lower window */
2758 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2759 break;
2760 case 7: /* refresh window */
2761 R->scr_touch (true);
2762 break;
2763 case 8: /* set size (chars) */
2764 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2765 (unsigned int)(args[1] * R->TermWin.fheight));
2766 break;
2767 default:
2768 if (args[0] >= 24) /* set height (chars) */
2769 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2770 (unsigned int)(args[1] * R->TermWin.fheight));
2771 break;
2772 /*
2773 * reports - some output format copied from XTerm
2774 */
2775 case 11: /* report window state */
2776 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2777 R->tt_printf("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2778 break;
2779 case 13: /* report window position */
2780 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2781 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2782 -wattr.border_width, -wattr.border_width,
2783 &x, &y, &wdummy);
2784 R->tt_printf("\033[3;%d;%dt", x, y);
2785 break;
2786 case 14: /* report window size (pixels) */
2787 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2788 R->tt_printf("\033[4;%d;%dt", wattr.height, wattr.width);
2789 break;
2790 case 18: /* report window size (chars) */
2791 R->tt_printf("\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2792 break;
2793 #if 0 /* XXX: currently disabled due to security concerns */
2794 case 20: /* report icon label */
2795 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2796 R->tt_printf("\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2797 break;
2798 case 21: /* report window title */
2799 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2800 R->tt_printf("\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2801 break;
2802 #endif
2803 }
2804 }
2805 #endif
2806
2807 /*----------------------------------------------------------------------*/
2808 /*
2809 * get input up until STRING TERMINATOR (or BEL)
2810 * ends_how is terminator used. returned input must be free()d
2811 */
2812 /* INTPROTO */
2813 unsigned char *
2814 rxvt_get_to_st(pR_ unsigned char *ends_how)
2815 {
2816 int seen_esc = 0; /* seen escape? */
2817 unsigned int n = 0;
2818 unsigned char *s;
2819 unsigned char ch, string[STRING_MAX];
2820
2821 for (; (ch = rxvt_cmd_getc(aR));) {
2822 if (ch == C0_BEL
2823 || ch == CHAR_ST
2824 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2825 break;
2826 if (ch == C0_ESC) {
2827 seen_esc = 1;
2828 continue;
2829 } else if (ch == '\t')
2830 ch = ' '; /* translate '\t' to space */
2831 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2832 return NULL; /* other control character - exit */
2833 if (n < sizeof(string) - 1)
2834 string[n++] = ch;
2835 seen_esc = 0;
2836 }
2837 string[n++] = '\0';
2838 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2839 return NULL;
2840 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2841 STRNCPY(s, string, n);
2842 return s;
2843 }
2844
2845 /*----------------------------------------------------------------------*/
2846 /*
2847 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2848 */
2849 /* INTPROTO */
2850 void
2851 rxvt_process_dcs_seq(pR)
2852 {
2853 unsigned char eh, *s;
2854 /*
2855 * Not handled yet
2856 */
2857 s = rxvt_get_to_st(aR_ &eh);
2858 if (s)
2859 free(s);
2860 return;
2861 }
2862
2863 /*----------------------------------------------------------------------*/
2864 /*
2865 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2866 */
2867 /* INTPROTO */
2868 void
2869 rxvt_process_osc_seq(pR)
2870 {
2871 unsigned char ch, eh, *s;
2872 int arg;
2873
2874 ch = rxvt_cmd_getc(aR);
2875 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2876 arg = arg * 10 + (ch - '0');
2877
2878 if (ch == ';') {
2879 s = rxvt_get_to_st(aR_ &eh);
2880 if (s) {
2881 /*
2882 * rxvt_menubar_dispatch() violates the constness of the string,
2883 * so do it here
2884 */
2885 if (arg == XTerm_Menu)
2886 #if 0 /* XXX: currently disabled due to security concerns */
2887 rxvt_menubar_dispatch(aR_ (char *)s);
2888 #else
2889 0;
2890 #endif
2891 else
2892 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2893 free(s);
2894 }
2895 }
2896 }
2897 /*
2898 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2899 * 0 = change iconName/title
2900 * 1 = change iconName
2901 * 2 = change title
2902 * 4 = change color
2903 * 12 = change text color
2904 * 13 = change mouse foreground color
2905 * 17 = change highlight character colour
2906 * 18 = change bold character color
2907 * 19 = change underlined character color
2908 * 46 = change logfile (not implemented)
2909 * 50 = change font
2910 *
2911 * rxvt extensions:
2912 * 10 = menu (may change in future)
2913 * 20 = bg pixmap
2914 * 39 = change default fg color
2915 * 49 = change default bg color
2916 * 55 = dump scrollback buffer and all of screen
2917 */
2918 /* EXTPROTO */
2919 void
2920 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2921 {
2922 int changed = 0;
2923 int color;
2924 char *buf, *name;
2925
2926 assert(str != NULL);
2927 switch (op) {
2928 case XTerm_name:
2929 rxvt_set_title(aR_ str);
2930 /* FALLTHROUGH */
2931 case XTerm_iconName:
2932 rxvt_set_iconName(aR_ str);
2933 break;
2934 case XTerm_title:
2935 rxvt_set_title(aR_ str);
2936 break;
2937 case XTerm_Color:
2938 for (buf = (char *)str; buf && *buf;) {
2939 if ((name = STRCHR(buf, ';')) == NULL)
2940 break;
2941 *name++ = '\0';
2942 color = atoi(buf);
2943 if (color < 0 || color >= TOTAL_COLORS)
2944 break;
2945 if ((buf = STRCHR(name, ';')) != NULL)
2946 *buf++ = '\0';
2947 rxvt_set_window_color(aR_ color + minCOLOR, name);
2948 }
2949 break;
2950 #ifndef NO_CURSORCOLOR
2951 case XTerm_Color_cursor:
2952 rxvt_set_window_color(aR_ Color_cursor, str);
2953 break;
2954 #endif
2955 case XTerm_Color_pointer:
2956 rxvt_set_window_color(aR_ Color_pointer, str);
2957 break;
2958 #ifndef NO_BOLD_UNDERLINE_REVERSE
2959 case XTerm_Color_BD:
2960 rxvt_set_window_color(aR_ Color_BD, str);
2961 break;
2962 case XTerm_Color_UL:
2963 rxvt_set_window_color(aR_ Color_UL, str);
2964 break;
2965 case XTerm_Color_RV:
2966 rxvt_set_window_color(aR_ Color_RV, str);
2967 break;
2968 #endif
2969
2970 case XTerm_Menu:
2971 /*
2972 * rxvt_menubar_dispatch() violates the constness of the string,
2973 * so DON'T do it here
2974 */
2975 break;
2976 case XTerm_Pixmap:
2977 if (*str != ';') {
2978 #if XPM_BACKGROUND
2979 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2980 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2981 #endif
2982 R->scr_touch (true);
2983 }
2984 while ((str = STRCHR(str, ';')) != NULL) {
2985 str++;
2986 #if XPM_BACKGROUND
2987 changed += rxvt_scale_pixmap(aR_ str);
2988 #endif
2989 }
2990 if (changed) {
2991 #ifdef XPM_BACKGROUND
2992 rxvt_resize_pixmap(aR);
2993 #endif
2994 R->scr_touch (true);
2995 }
2996 break;
2997
2998 case XTerm_restoreFG:
2999 rxvt_set_window_color(aR_ Color_fg, str);
3000 break;
3001 case XTerm_restoreBG:
3002 rxvt_set_window_color(aR_ Color_bg, str);
3003 break;
3004 case XTerm_logfile:
3005 break;
3006 case XTerm_font:
3007 rxvt_change_font(aR_ 0, str);
3008 break;
3009 #if 0
3010 case XTerm_dumpscreen: /* no error notices */
3011 {
3012 int fd;
3013 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
3014 rxvt_scr_dump(aR_ fd);
3015 close(fd);
3016 }
3017 }
3018 break;
3019 #endif
3020 }
3021 }
3022 /*----------------------------------------------------------------------*/
3023
3024 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
3025 /*
3026 * mode can only have the following values:
3027 * 'l' = low
3028 * 'h' = high
3029 * 's' = save
3030 * 'r' = restore
3031 * 't' = toggle
3032 * so no need for fancy checking
3033 */
3034 /* INTPROTO */
3035 int
3036 rxvt_privcases(pR_ int mode, unsigned long bit)
3037 {
3038 int state;
3039
3040 if (mode == 's') {
3041 R->SavedModes |= (R->PrivateModes & bit);
3042 return -1;
3043 } else {
3044 if (mode == 'r')
3045 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */
3046 else
3047 state = (mode == 't') ? !(R->PrivateModes & bit) : mode;
3048 PrivMode(state, bit);
3049 }
3050 return state;
3051 }
3052
3053 /* we're not using priv _yet_ */
3054 /* INTPROTO */
3055 void
3056 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3057 {
3058 unsigned int i, j;
3059 int state;
3060 static const struct {
3061 const int argval;
3062 const unsigned long bit;
3063 } argtopriv[] = {
3064 { 1, PrivMode_aplCUR },
3065 { 2, PrivMode_vt52 },
3066 { 3, PrivMode_132 },
3067 { 4, PrivMode_smoothScroll },
3068 { 5, PrivMode_rVideo },
3069 { 6, PrivMode_relOrigin },
3070 { 7, PrivMode_Autowrap },
3071 { 9, PrivMode_MouseX10 },
3072 #ifdef menuBar_esc
3073 { menuBar_esc, PrivMode_menuBar },
3074 #endif
3075 #ifdef scrollBar_esc
3076 { scrollBar_esc, PrivMode_scrollBar },
3077 #endif
3078 { 25, PrivMode_VisibleCursor },
3079 { 35, PrivMode_ShiftKeys },
3080 { 40, PrivMode_132OK },
3081 { 47, PrivMode_Screen },
3082 { 66, PrivMode_aplKP },
3083 #ifndef NO_BACKSPACE_KEY
3084 { 67, PrivMode_BackSpace },
3085 #endif
3086 { 1000, PrivMode_MouseX11 },
3087 { 1010, PrivMode_TtyOutputInh },
3088 { 1011, PrivMode_Keypress },
3089 { 1047, PrivMode_Screen },
3090 };
3091
3092 if (nargs == 0)
3093 return;
3094
3095 /* make lo/hi boolean */
3096 if (mode == 'l')
3097 mode = 0; /* reset */
3098 else if (mode == 'h')
3099 mode = 1; /* set */
3100
3101 for (i = 0; i < nargs; i++) {
3102 state = -1;
3103
3104 /* basic handling */
3105 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3106 if (argtopriv[j].argval == arg[i]) {
3107 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3108 break;
3109 }
3110
3111 /* extra handling for values with state unkept */
3112 if (state == -1)
3113 switch (arg[i]) {
3114 case 1048: /* alternative cursor save */
3115 if (mode == 0)
3116 rxvt_scr_cursor(aR_ RESTORE);
3117 else if (mode == 1)
3118 rxvt_scr_cursor(aR_ SAVE);
3119 /* FALLTHROUGH */
3120 default:
3121 continue; /* for(;i;) */
3122 }
3123
3124 /* extra handling for values with valid 0 or 1 state */
3125 switch (arg[i]) {
3126 /* case 1: - application cursor keys */
3127 case 2: /* VT52 mode */
3128 /* oddball mode. should be set regardless of set/reset
3129 * parameter. Return from VT52 mode with an ESC < from
3130 * within VT52 mode
3131 */
3132 PrivMode(1, PrivMode_vt52);
3133 break;
3134 case 3: /* 80/132 */
3135 if (R->PrivateModes & PrivMode_132OK)
3136 rxvt_set_widthheight(aR_
3137 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3138 (unsigned int)R->TermWin.height);
3139 break;
3140 case 4: /* smooth scrolling */
3141 if (state)
3142 R->Options &= ~Opt_jumpScroll;
3143 else
3144 R->Options |= Opt_jumpScroll;
3145 break;
3146 case 5: /* reverse video */
3147 rxvt_scr_rvideo_mode(aR_ state);
3148 break;
3149 case 6: /* relative/absolute origins */
3150 rxvt_scr_relative_origin(aR_ state);
3151 break;
3152 case 7: /* autowrap */
3153 rxvt_scr_autowrap(aR_ state);
3154 break;
3155 /* case 8: - auto repeat, can't do on a per window basis */
3156 case 9: /* X10 mouse reporting */
3157 if (state) /* orthogonal */
3158 R->PrivateModes &= ~(PrivMode_MouseX11);
3159 break;
3160 #ifdef menuBar_esc
3161 case menuBar_esc:
3162 #ifdef MENUBAR
3163 rxvt_map_menuBar(aR_ state);
3164 #endif
3165 break;
3166 #endif
3167 #ifdef scrollBar_esc
3168 case scrollBar_esc:
3169 if (rxvt_scrollbar_mapping(aR_ state)) {
3170 R->resize_all_windows (0, 0, 0);
3171 R->scr_touch (true);
3172 }
3173 break;
3174 #endif
3175 case 25: /* visible/invisible cursor */
3176 rxvt_scr_cursor_visible(aR_ state);
3177 break;
3178 /* case 35: - shift keys */
3179 /* case 40: - 80 <--> 132 mode */
3180 case 47: /* secondary screen */
3181 rxvt_scr_change_screen(aR_ state);
3182 break;
3183 /* case 66: - application key pad */
3184 /* case 67: - backspace key */
3185 case 1000: /* X11 mouse reporting */
3186 if (state) /* orthogonal */
3187 R->PrivateModes &= ~(PrivMode_MouseX10);
3188 break;
3189 #if 0
3190 case 1001:
3191 break; /* X11 mouse highlighting */
3192 #endif
3193 case 1010: /* scroll to bottom on TTY output inhibit */
3194 if (state)
3195 R->Options &= ~Opt_scrollTtyOutput;
3196 else
3197 R->Options |= Opt_scrollTtyOutput;
3198 break;
3199 case 1011: /* scroll to bottom on key press */
3200 if (state)
3201 R->Options |= Opt_scrollTtyKeypress;
3202 else
3203 R->Options &= ~Opt_scrollTtyKeypress;
3204 break;
3205 case 1047: /* secondary screen w/ clearing */
3206 if (R->current_screen != PRIMARY)
3207 R->scr_erase_screen (2);
3208 rxvt_scr_change_screen(aR_ state);
3209 /* FALLTHROUGH */
3210 default:
3211 break;
3212 }
3213 }
3214 }
3215 /*}}} */
3216
3217 /*{{{ process sgr sequences */
3218 /* INTPROTO */
3219 void
3220 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3221 {
3222 unsigned int i;
3223 short rendset;
3224 int rendstyle;
3225
3226 if (nargs == 0) {
3227 rxvt_scr_rendition(aR_ 0, ~RS_None);
3228 return;
3229 }
3230 for (i = 0; i < nargs; i++) {
3231 rendset = -1;
3232 switch (arg[i]) {
3233 case 0:
3234 rendset = 0, rendstyle = ~RS_None;
3235 break;
3236 case 1:
3237 rendset = 1, rendstyle = RS_Bold;
3238 break;
3239 case 4:
3240 rendset = 1, rendstyle = RS_Uline;
3241 break;
3242 case 5:
3243 rendset = 1, rendstyle = RS_Blink;
3244 break;
3245 case 7:
3246 rendset = 1, rendstyle = RS_RVid;
3247 break;
3248 case 22:
3249 rendset = 0, rendstyle = RS_Bold;
3250 break;
3251 case 24:
3252 rendset = 0, rendstyle = RS_Uline;
3253 break;
3254 case 25:
3255 rendset = 0, rendstyle = RS_Blink;
3256 break;
3257 case 27:
3258 rendset = 0, rendstyle = RS_RVid;
3259 break;
3260 }
3261 if (rendset != -1) {
3262 rxvt_scr_rendition(aR_ rendset, rendstyle);
3263 continue; /* for(;i;) */
3264 }
3265
3266 switch (arg[i]) {
3267 case 30:
3268 case 31: /* set fg color */
3269 case 32:
3270 case 33:
3271 case 34:
3272 case 35:
3273 case 36:
3274 case 37:
3275 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3276 Color_fg);
3277 break;
3278 #ifdef TTY_256COLOR
3279 case 38:
3280 if (nargs > i + 2 && arg[i + 1] == 5) {
3281 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3282 Color_fg);
3283 i += 2;
3284 }
3285 break;
3286 #endif
3287 case 39: /* default fg */
3288 rxvt_scr_color(aR_ Color_fg, Color_fg);
3289 break;
3290
3291 case 40:
3292 case 41: /* set bg color */
3293 case 42:
3294 case 43:
3295 case 44:
3296 case 45:
3297 case 46:
3298 case 47:
3299 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3300 Color_bg);
3301 break;
3302 #ifdef TTY_256COLOR
3303 case 48:
3304 if (nargs > i + 2 && arg[i + 1] == 5) {
3305 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3306 Color_bg);
3307 i += 2;
3308 }
3309 break;
3310 #endif
3311 case 49: /* default bg */
3312 rxvt_scr_color(aR_ Color_bg, Color_bg);
3313 break;
3314
3315 #ifndef NO_BRIGHTCOLOR
3316 case 90:
3317 case 91: /* set bright fg color */
3318 case 92:
3319 case 93:
3320 case 94:
3321 case 95:
3322 case 96:
3323 case 97:
3324 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3325 Color_fg);
3326 break;
3327 case 100:
3328 case 101: /* set bright bg color */
3329 case 102:
3330 case 103:
3331 case 104:
3332 case 105:
3333 case 106:
3334 case 107:
3335 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3336 Color_bg);
3337 break;
3338 #endif
3339 }
3340 }
3341 }
3342 /*}}} */
3343
3344 /*{{{ process Rob Nation's own graphics mode sequences */
3345 /* INTPROTO */
3346 void
3347 rxvt_process_graphics(pR)
3348 {
3349 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3350
3351 #ifndef RXVT_GRAPHICS
3352 if (cmd == 'Q') { /* query graphics */
3353 R->tt_printf("\033G0\n"); /* no graphics */
3354 return;
3355 }
3356 /* swallow other graphics sequences until terminating ':' */
3357 do
3358 ch = rxvt_cmd_getc(aR);
3359 while (ch != ':');
3360 #else
3361 unsigned int nargs;
3362 int args[NGRX_PTS];
3363 unsigned char *text = NULL;
3364
3365 if (cmd == 'Q') { /* query graphics */
3366 R->tt_printf("\033G1\n"); /* yes, graphics (color) */
3367 return;
3368 }
3369 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3370 int neg;
3371
3372 ch = rxvt_cmd_getc(aR);
3373 neg = (ch == '-');
3374 if (neg || ch == '+')
3375 ch = rxvt_cmd_getc(aR);
3376
3377 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3378 args[nargs] = args[nargs] * 10 + (ch - '0');
3379 if (neg)
3380 args[nargs] = -args[nargs];
3381
3382 nargs++;
3383 args[nargs] = 0;
3384 if (ch != ';')
3385 break;
3386 }
3387
3388 if ((cmd == 'T') && (nargs >= 5)) {
3389 int i, len = args[4];
3390
3391 text = (unsigned char *)rxvt_malloc((len + 1) * sizeof(char));
3392
3393 if (text != NULL) {
3394 for (i = 0; i < len; i++)
3395 text[i] = rxvt_cmd_getc(aR);
3396 text[len] = '\0';
3397 }
3398 }
3399 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3400 #endif
3401 }
3402 /*}}} */
3403
3404 /* ------------------------------------------------------------------------- */
3405
3406 /*
3407 * Send printf() formatted output to the command.
3408 * Only use for small amounts of data.
3409 */
3410 void
3411 rxvt_term::tt_printf (const char *fmt,...)
3412 {
3413 va_list arg_ptr;
3414 unsigned char buf[256];
3415
3416 va_start (arg_ptr, fmt);
3417 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3418 va_end (arg_ptr);
3419 tt_write (buf, STRLEN (buf));
3420 }
3421
3422 /* ---------------------------------------------------------------------- */
3423 /* Write data to the pty as typed by the user, pasted with the mouse,
3424 * or generated by us in response to a query ESC sequence.
3425 */
3426 void
3427 rxvt_term::tt_write (const unsigned char *data, unsigned int len)
3428 {
3429 enum { MAX_PTY_WRITE = 255 }; // minimum MAX_INPUT
3430
3431 if (len)
3432 {
3433 if (v_buflen == 0)
3434 {
3435 int written = write (cmd_fd, data, min (MAX_PTY_WRITE, len));
3436 if (written == len)
3437 return;
3438
3439 data += written;
3440 len -= written;
3441 }
3442
3443
3444 v_buffer = (unsigned char *)realloc (v_buffer, v_buflen + len);
3445
3446 memcpy (v_buffer + v_buflen, data, len);
3447 v_buflen += len;
3448 }
3449
3450 for (;;)
3451 {
3452 int written = write (cmd_fd, v_buffer, min (MAX_PTY_WRITE, v_buflen));
3453
3454 if (written > 0)
3455 {
3456 v_buflen -= written;
3457
3458 if (v_buflen == 0)
3459 {
3460 free (v_buffer);
3461 v_buffer = 0;
3462 v_buflen = 0;
3463
3464 pty_ev.set (EVENT_READ);
3465 return;
3466 }
3467
3468 memmove (v_buffer, v_buffer + written, v_buflen);
3469 }
3470 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3471 // original code just ignores this...
3472 destroy ();
3473 else
3474 {
3475 pty_ev.set (EVENT_READ | EVENT_WRITE);
3476 return;
3477 }
3478 }
3479 }
3480
3481 /*----------------------- end-of-file (C source) -----------------------*/
3482