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Revision: 1.27
Committed: Tue Dec 30 01:35:58 2003 UTC (20 years, 4 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.26: +3 -1 lines
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File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.26 2003/12/24 06:26:52 pcg Exp $
5 *
6 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
10 * - extensive modifications
11 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
12 * - vt100 printing
13 * Copyright (c) 1995 Steven Hirsch <hirsch@emba.uvm.edu>
14 * - X11 mouse report mode and support for
15 * DEC "private mode" save/restore functions.
16 * Copyright (c) 1995 Jakub Jelinek <jj@gnu.ai.mit.edu>
17 * - key-related changes to handle Shift+function
18 * keys properly.
19 * Copyright (c) 1997 MJ Olesen <olesen@me.queensu.ca>
20 * - extensive modifications
21 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es>
22 * - modification and cleanups for Solaris 2.x
23 * and Linux 1.2.x
24 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
25 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
26 * - extensive modifications
27 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
28 * Copyright (c) 2001 Marius Gedminas
29 * - Ctrl/Mod4+Tab works like Meta+Tab (options)
30 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org>
31 *
32 * This program is free software; you can redistribute it and/or modify
33 * it under the terms of the GNU General Public License as published by
34 * the Free Software Foundation; either version 2 of the License, or
35 * (at your option) any later version.
36 *
37 * This program is distributed in the hope that it will be useful,
38 * but WITHOUT ANY WARRANTY; without even the implied warranty of
39 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
40 * GNU General Public License for more details.
41 *
42 * You should have received a copy of the GNU General Public License
43 * along with this program; if not, write to the Free Software
44 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 *----------------------------------------------------------------------*/
46
47 /*{{{ includes: */
48 #include "../config.h" /* NECESSARY */
49 #include "rxvt.h" /* NECESSARY */
50 #include "version.h"
51 #include "command.h"
52
53 #include <wchar.h>
54
55 /*----------------------------------------------------------------------*/
56
57 /*{{{ Convert the keypress event into a string */
58 /* INTPROTO */
59 void
60 rxvt_lookup_key(pR_ XKeyEvent *ev)
61 {
62 int ctrl, meta, shft, len;
63 unsigned int newlen;
64 KeySym keysym;
65 #ifdef DEBUG_CMD
66 static int debug_key = 1; /* accessible by a debugger only */
67 #endif
68 int valid_keysym;
69 unsigned char kbuf[KBUFSZ];
70
71 /*
72 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
73 * escape sequence to toggle the Keypad.
74 *
75 * Always permit `shift' to override the current setting
76 */
77 shft = (ev->state & ShiftMask);
78 ctrl = (ev->state & ControlMask);
79 meta = (ev->state & R->ModMetaMask);
80
81 if (R->numlock_state || (ev->state & R->ModNumLockMask))
82 {
83 R->numlock_state = (ev->state & R->ModNumLockMask);
84 PrivMode((!R->numlock_state), PrivMode_aplKP);
85 }
86
87 kbuf[0] = 0;
88
89 #ifdef USE_XIM
90 if (R->Input_Context)
91 {
92 Status status_return;
93
94 #ifdef X_HAVE_UTF8_STRING
95 if (R->enc_utf8 && 0)
96 len = Xutf8LookupString (R->Input_Context, ev, (char *)kbuf,
97 KBUFSZ, &keysym, &status_return);
98 else
99 #endif
100 {
101 wchar_t wkbuf[KBUFSZ + 1];
102
103 // the XOpenIM manpage lies about hardcoding the locale
104 // at the point of XOpenIM, so temporarily switch locales
105 if (R->rs[Rs_imLocale])
106 SET_LOCALE (R->rs[Rs_imLocale]);
107 // assume wchar_t == unicode or better
108 len = XwcLookupString (R->Input_Context, ev, wkbuf,
109 KBUFSZ, &keysym, &status_return);
110 if (R->rs[Rs_imLocale])
111 SET_LOCALE (R->locale);
112
113 if (status_return == XLookupChars
114 || status_return == XLookupBoth)
115 {
116 wkbuf[len] = 0;
117 len = wcstombs ((char *)kbuf, wkbuf, KBUFSZ);
118 if (len < 0)
119 len = 0;
120 }
121 else
122 len = 0;
123 }
124
125 valid_keysym = status_return == XLookupKeySym
126 || status_return == XLookupBoth;
127 }
128 else
129 #endif
130 {
131 len = XLookupString (ev, (char *)kbuf, KBUFSZ, &keysym, &R->compose);
132 valid_keysym = !len;
133 }
134
135 if (valid_keysym)
136 {
137 /* for some backwards compatibility */
138 #if defined(HOTKEY_CTRL) || defined(HOTKEY_META)
139 # ifdef HOTKEY_CTRL
140 if (ctrl)
141 # else
142 if (meta)
143 # endif
144 {
145 if (keysym == R->ks_bigfont)
146 {
147 rxvt_change_font(aR_ 0, FONT_UP);
148 return;
149 }
150 else if (keysym == R->ks_smallfont)
151 {
152 rxvt_change_font(aR_ 0, FONT_DN);
153 return;
154 }
155 }
156 #endif
157
158 if (R->TermWin.saveLines) {
159 #ifdef UNSHIFTED_SCROLLKEYS
160 if (!ctrl && !meta) {
161 #else
162 if (IS_SCROLL_MOD) {
163 #endif
164 int lnsppg;
165
166 #ifdef PAGING_CONTEXT_LINES
167 lnsppg = R->TermWin.nrow - PAGING_CONTEXT_LINES;
168 #else
169 lnsppg = R->TermWin.nrow * 4 / 5;
170 #endif
171 if (keysym == XK_Prior) {
172 rxvt_scr_page(aR_ UP, lnsppg);
173 return;
174 } else if (keysym == XK_Next) {
175 rxvt_scr_page(aR_ DN, lnsppg);
176 return;
177 }
178 }
179 #ifdef SCROLL_ON_UPDOWN_KEYS
180 if (IS_SCROLL_MOD) {
181 if (keysym == XK_Up) {
182 rxvt_scr_page(aR_ UP, 1);
183 return;
184 } else if (keysym == XK_Down) {
185 rxvt_scr_page(aR_ DN, 1);
186 return;
187 }
188 }
189 #endif
190 #ifdef SCROLL_ON_HOMEEND_KEYS
191 if (IS_SCROLL_MOD) {
192 if (keysym == XK_Home) {
193 rxvt_scr_move_to(aR_ 0, 1);
194 return;
195 } else if (keysym == XK_End) {
196 rxvt_scr_move_to(aR_ 1, 0);
197 return;
198 }
199 }
200 #endif
201 }
202
203 if (shft) {
204 /* Shift + F1 - F10 generates F11 - F20 */
205 if (keysym >= XK_F1 && keysym <= XK_F10) {
206 keysym += (XK_F11 - XK_F1);
207 shft = 0; /* turn off Shift */
208 } else if (!ctrl && !meta && (R->PrivateModes & PrivMode_ShiftKeys)) {
209 switch (keysym) {
210 /* normal XTerm key bindings */
211 case XK_Insert: /* Shift+Insert = paste mouse selection */
212 rxvt_selection_request(aR_ ev->time, 0, 0);
213 return;
214 /* rxvt extras */
215 case XK_KP_Add: /* Shift+KP_Add = bigger font */
216 rxvt_change_font(aR_ 0, FONT_UP);
217 return;
218 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
219 rxvt_change_font(aR_ 0, FONT_DN);
220 return;
221 }
222 }
223 }
224 #ifdef PRINTPIPE
225 if (keysym == XK_Print) {
226 rxvt_scr_printscreen(aR_ ctrl | shft);
227 return;
228 }
229 #endif
230 #ifdef GREEK_SUPPORT
231 if (keysym == R->ks_greekmodeswith) {
232 R->greek_mode = !R->greek_mode;
233 if (R->greek_mode) {
234 rxvt_xterm_seq(aR_ XTerm_title,
235 (greek_getmode() == GREEK_ELOT928
236 ? "[Greek: iso]" : "[Greek: ibm]"), CHAR_ST);
237 greek_reset();
238 } else
239 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
240 return;
241 }
242 #endif
243
244 if (keysym >= 0xFF00 && keysym <= 0xFFFF) {
245 #ifdef KEYSYM_RESOURCE
246 if (!(shft | ctrl) && R->Keysym_map[keysym & 0xFF] != NULL) {
247 unsigned int l;
248 const unsigned char *kbuf0;
249 const unsigned char ch = C0_ESC;
250
251 kbuf0 = (R->Keysym_map[keysym & 0xFF]);
252 l = (unsigned int)*kbuf0++;
253
254 /* escape prefix */
255 if (meta)
256 # ifdef META8_OPTION
257 if (R->meta_char == C0_ESC)
258 # endif
259 R->tt_write (&ch, 1);
260 R->tt_write (kbuf0, l);
261 return;
262 } else
263 #endif
264 {
265 newlen = 1;
266 switch (keysym) {
267 #ifndef NO_BACKSPACE_KEY
268 case XK_BackSpace:
269 if (R->PrivateModes & PrivMode_HaveBackSpace) {
270 kbuf[0] = (!!(R->PrivateModes & PrivMode_BackSpace)
271 ^ !!ctrl) ? '\b' : '\177';
272 kbuf[1] = '\0';
273 } else
274 STRCPY(kbuf, R->key_backspace);
275 # ifdef MULTICHAR_SET
276 if ((R->Options & Opt_mc_hack) && R->screen.cur.col > 0) {
277 int col, row;
278
279 newlen = STRLEN(kbuf);
280 col = R->screen.cur.col - 1;
281 row = R->screen.cur.row + R->TermWin.saveLines;
282 if (IS_MULTI2(R->screen.rend[row][col]))
283 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
284 }
285 # endif
286 break;
287 #endif
288 #ifndef NO_DELETE_KEY
289 case XK_Delete:
290 STRCPY(kbuf, R->key_delete);
291 # ifdef MULTICHAR_SET
292 if (R->Options & Opt_mc_hack) {
293 int col, row;
294
295 newlen = STRLEN(kbuf);
296 col = R->screen.cur.col;
297 row = R->screen.cur.row + R->TermWin.saveLines;
298 if (IS_MULTI1(R->screen.rend[row][col]))
299 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
300 }
301 # endif
302 break;
303 #endif
304 case XK_Tab:
305 if (shft)
306 STRCPY(kbuf, "\033[Z");
307 else {
308 #ifdef CTRL_TAB_MAKES_META
309 if (ctrl)
310 meta = 1;
311 #endif
312 #ifdef MOD4_TAB_MAKES_META
313 if (ev->state & Mod4Mask)
314 meta = 1;
315 #endif
316 newlen = 0;
317 }
318 break;
319
320
321 #ifdef XK_KP_Left
322 case XK_KP_Up: /* \033Ox or standard */
323 case XK_KP_Down: /* \033Or or standard */
324 case XK_KP_Right: /* \033Ov or standard */
325 case XK_KP_Left: /* \033Ot or standard */
326 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
327 STRCPY(kbuf, "\033OZ");
328 kbuf[2] = ("txvr"[keysym - XK_KP_Left]);
329 break;
330 } else
331 /* translate to std. cursor key */
332 keysym = XK_Left + (keysym - XK_KP_Left);
333 /* FALLTHROUGH */
334 #endif
335 case XK_Up: /* "\033[A" */
336 case XK_Down: /* "\033[B" */
337 case XK_Right: /* "\033[C" */
338 case XK_Left: /* "\033[D" */
339 STRCPY(kbuf, "\033[Z");
340 kbuf[2] = ("DACB"[keysym - XK_Left]);
341 /* do Shift first */
342 if (shft)
343 kbuf[2] = ("dacb"[keysym - XK_Left]);
344 else if (ctrl) {
345 kbuf[1] = 'O';
346 kbuf[2] = ("dacb"[keysym - XK_Left]);
347 } else if (R->PrivateModes & PrivMode_aplCUR)
348 kbuf[1] = 'O';
349 #ifdef MULTICHAR_SET
350 //TODO: ??
351 if (R->Options & Opt_mc_hack) {
352 int col, row, m;
353
354 col = R->screen.cur.col;
355 row = R->screen.cur.row + R->TermWin.saveLines;
356 m = 0;
357 if (keysym == XK_Right
358 && IS_MULTI1(R->screen.rend[row][col]))
359 m = 1;
360 else if (keysym == XK_Left) {
361 if (col > 0) {
362 if (IS_MULTI2(R->screen.rend[row][col - 1]))
363 m = 1;
364 } else if (R->screen.cur.row > 0) {
365 col = R->screen.tlen[--row];
366 if (col == -1)
367 col = R->TermWin.ncol - 1;
368 else
369 col--;
370 if (col > 0
371 && IS_MULTI2(R->screen.rend[row][col]))
372 m = 1;
373 }
374 }
375 if (m)
376 MEMMOVE(kbuf + 3, kbuf, 3 + 1);
377 }
378 #endif
379 break;
380
381 #ifndef UNSHIFTED_SCROLLKEYS
382 # ifdef XK_KP_Prior
383 case XK_KP_Prior:
384 /* allow shift to override */
385 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
386 STRCPY(kbuf, "\033Oy");
387 break;
388 }
389 /* FALLTHROUGH */
390 # endif
391 case XK_Prior:
392 STRCPY(kbuf, "\033[5~");
393 break;
394 # ifdef XK_KP_Next
395 case XK_KP_Next:
396 /* allow shift to override */
397 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
398 STRCPY(kbuf, "\033Os");
399 break;
400 }
401 /* FALLTHROUGH */
402 # endif
403 case XK_Next:
404 STRCPY(kbuf, "\033[6~");
405 break;
406 #endif
407 case XK_KP_Enter:
408 /* allow shift to override */
409 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
410 STRCPY(kbuf, "\033OM");
411 } else {
412 kbuf[0] = '\r';
413 kbuf[1] = '\0';
414 }
415 break;
416
417 #ifdef XK_KP_Begin
418 case XK_KP_Begin:
419 STRCPY(kbuf, "\033Ou");
420 break;
421
422 case XK_KP_Insert:
423 STRCPY(kbuf, "\033Op");
424 break;
425
426 case XK_KP_Delete:
427 STRCPY(kbuf, "\033On");
428 break;
429 #endif
430 case XK_KP_F1: /* "\033OP" */
431 case XK_KP_F2: /* "\033OQ" */
432 case XK_KP_F3: /* "\033OR" */
433 case XK_KP_F4: /* "\033OS" */
434 STRCPY(kbuf, "\033OP");
435 kbuf[2] += (keysym - XK_KP_F1);
436 break;
437
438 case XK_KP_Multiply: /* "\033Oj" : "*" */
439 case XK_KP_Add: /* "\033Ok" : "+" */
440 case XK_KP_Separator: /* "\033Ol" : "," */
441 case XK_KP_Subtract: /* "\033Om" : "-" */
442 case XK_KP_Decimal: /* "\033On" : "." */
443 case XK_KP_Divide: /* "\033Oo" : "/" */
444 case XK_KP_0: /* "\033Op" : "0" */
445 case XK_KP_1: /* "\033Oq" : "1" */
446 case XK_KP_2: /* "\033Or" : "2" */
447 case XK_KP_3: /* "\033Os" : "3" */
448 case XK_KP_4: /* "\033Ot" : "4" */
449 case XK_KP_5: /* "\033Ou" : "5" */
450 case XK_KP_6: /* "\033Ov" : "6" */
451 case XK_KP_7: /* "\033Ow" : "7" */
452 case XK_KP_8: /* "\033Ox" : "8" */
453 case XK_KP_9: /* "\033Oy" : "9" */
454 /* allow shift to override */
455 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
456 STRCPY(kbuf, "\033Oj");
457 kbuf[2] += (keysym - XK_KP_Multiply);
458 } else {
459 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
460 kbuf[1] = '\0';
461 }
462 break;
463
464 case XK_Find:
465 STRCPY(kbuf, "\033[1~");
466 break;
467 case XK_Insert:
468 STRCPY(kbuf, "\033[2~");
469 break;
470 #ifdef DXK_Remove /* support for DEC remove like key */
471 case DXK_Remove:
472 /* FALLTHROUGH */
473 #endif
474 case XK_Execute:
475 STRCPY(kbuf, "\033[3~");
476 break;
477 case XK_Select:
478 STRCPY(kbuf, "\033[4~");
479 break;
480 #ifdef XK_KP_End
481 case XK_KP_End:
482 /* allow shift to override */
483 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
484 STRCPY(kbuf, "\033Oq");
485 break;
486 }
487 /* FALLTHROUGH */
488 #endif
489 case XK_End:
490 STRCPY(kbuf, KS_END);
491 break;
492 #ifdef XK_KP_Home
493 case XK_KP_Home:
494 /* allow shift to override */
495 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
496 STRCPY(kbuf, "\033Ow");
497 break;
498 }
499 /* FALLTHROUGH */
500 #endif
501 case XK_Home:
502 STRCPY(kbuf, KS_HOME);
503 break;
504
505 #define FKEY(n, fkey) \
506 sprintf((char *)kbuf,"\033[%2d~", (int)((n) + (keysym - fkey)))
507
508 case XK_F1: /* "\033[11~" */
509 case XK_F2: /* "\033[12~" */
510 case XK_F3: /* "\033[13~" */
511 case XK_F4: /* "\033[14~" */
512 case XK_F5: /* "\033[15~" */
513 FKEY(11, XK_F1);
514 break;
515 case XK_F6: /* "\033[17~" */
516 case XK_F7: /* "\033[18~" */
517 case XK_F8: /* "\033[19~" */
518 case XK_F9: /* "\033[20~" */
519 case XK_F10: /* "\033[21~" */
520 FKEY(17, XK_F6);
521 break;
522 case XK_F11: /* "\033[23~" */
523 case XK_F12: /* "\033[24~" */
524 case XK_F13: /* "\033[25~" */
525 case XK_F14: /* "\033[26~" */
526 FKEY(23, XK_F11);
527 break;
528 case XK_F15: /* "\033[28~" */
529 case XK_F16: /* "\033[29~" */
530 FKEY(28, XK_F15);
531 break;
532 case XK_Help: /* "\033[28~" */
533 FKEY(28, XK_Help);
534 break;
535 case XK_Menu: /* "\033[29~" */
536 FKEY(29, XK_Menu);
537 break;
538 case XK_F17: /* "\033[31~" */
539 case XK_F18: /* "\033[32~" */
540 case XK_F19: /* "\033[33~" */
541 case XK_F20: /* "\033[34~" */
542 case XK_F21: /* "\033[35~" */
543 case XK_F22: /* "\033[36~" */
544 case XK_F23: /* "\033[37~" */
545 case XK_F24: /* "\033[38~" */
546 case XK_F25: /* "\033[39~" */
547 case XK_F26: /* "\033[40~" */
548 case XK_F27: /* "\033[41~" */
549 case XK_F28: /* "\033[42~" */
550 case XK_F29: /* "\033[43~" */
551 case XK_F30: /* "\033[44~" */
552 case XK_F31: /* "\033[45~" */
553 case XK_F32: /* "\033[46~" */
554 case XK_F33: /* "\033[47~" */
555 case XK_F34: /* "\033[48~" */
556 case XK_F35: /* "\033[49~" */
557 FKEY(31, XK_F17);
558 break;
559 #undef FKEY
560 default:
561 newlen = 0;
562 break;
563 }
564 if (newlen)
565 len = STRLEN(kbuf);
566 }
567 /*
568 * Pass meta for all function keys, if 'meta' option set
569 */
570 #ifdef META8_OPTION
571 if (meta && (R->meta_char == 0x80) && len > 0)
572 kbuf[len - 1] |= 0x80;
573 #endif
574 } else if (ctrl && keysym == XK_minus) {
575 len = 1;
576 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
577 } else {
578 #ifdef META8_OPTION
579 /* set 8-bit on */
580 if (meta && (R->meta_char == 0x80)) {
581 unsigned char *ch;
582
583 for (ch = kbuf; ch < kbuf + len; ch++)
584 *ch |= 0x80;
585 meta = 0;
586 }
587 #endif
588 #ifdef GREEK_SUPPORT
589 if (R->greek_mode)
590 len = greek_xlat(kbuf, len);
591 #endif
592 /* nil */ ;
593 }
594 }
595
596 if (len <= 0)
597 return; /* not mapped */
598
599 if (R->Options & Opt_scrollTtyKeypress)
600 if (R->TermWin.view_start) {
601 R->TermWin.view_start = 0;
602 R->want_refresh = 1;
603 }
604
605 /*
606 * these modifications only affect the static keybuffer
607 * pass Shift/Control indicators for function keys ending with `~'
608 *
609 * eg,
610 * Prior = "ESC[5~"
611 * Shift+Prior = "ESC[5$"
612 * Ctrl+Prior = "ESC[5^"
613 * Ctrl+Shift+Prior = "ESC[5@"
614 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
615 */
616 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
617 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
618
619 /* escape prefix */
620 if (meta
621 #ifdef META8_OPTION
622 && (R->meta_char == C0_ESC)
623 #endif
624 ) {
625 const unsigned char ch = C0_ESC;
626
627 R->tt_write(&ch, 1);
628 }
629 #ifdef DEBUG_CMD
630 if (debug_key) { /* Display keyboard buffer contents */
631 char *p;
632 int i;
633
634 fprintf(stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
635 for (i = 0, p = kbuf; i < len; i++, p++)
636 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
637 fprintf(stderr, "'\n");
638 }
639 #endif /* DEBUG_CMD */
640 R->tt_write (kbuf, (unsigned int)len);
641 }
642 /*}}} */
643
644 #if (MENUBAR_MAX)
645 /*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
646 /* attempt to `write' count to the input buffer */
647 /* EXTPROTO */
648 unsigned int
649 rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
650 {
651 unsigned int n, s;
652 unsigned char *cmdbuf_base = R->cmdbuf_base,
653 *cmdbuf_endp = R->cmdbuf_endp,
654 *cmdbuf_ptr = R->cmdbuf_ptr;
655
656 n = cmdbuf_ptr - cmdbuf_base;
657 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp;
658 if (n > 0 && s < count) {
659 MEMMOVE(cmdbuf_base, cmdbuf_ptr,
660 (unsigned int)(cmdbuf_endp - cmdbuf_ptr));
661 cmdbuf_ptr = cmdbuf_base;
662 cmdbuf_endp -= n;
663 s += n;
664 }
665 if (count > s) {
666 rxvt_print_error("data loss: cmd_write too large");
667 count = s;
668 }
669 for (; count--;)
670 *cmdbuf_endp++ = *str++;
671 R->cmdbuf_ptr = cmdbuf_ptr;
672 R->cmdbuf_endp = cmdbuf_endp;
673 return 0;
674 }
675 #endif /* MENUBAR_MAX */
676
677 void
678 rxvt_term::flush ()
679 {
680 #ifdef TRANSPARENT
681 if (want_full_refresh)
682 {
683 want_full_refresh = 0;
684 scr_clear ();
685 scr_touch (false);
686 want_refresh = 1;
687 }
688 #endif
689
690 if (want_refresh)
691 {
692 scr_refresh (refresh_type);
693 rxvt_scrollbar_show (this, 1);
694 #ifdef USE_XIM
695 rxvt_IMSendSpot (this);
696 #endif
697 }
698
699 XFlush (Xdisplay);
700 }
701
702 void
703 rxvt_term::check_cb (check_watcher &w)
704 {
705 SET_R (this);
706 SET_LOCALE (locale);
707
708 flush ();
709 }
710
711 void
712 rxvt_term::process_x_events ()
713 {
714 do
715 {
716 XEvent xev;
717
718 XNextEvent (Xdisplay, &xev);
719
720 #if defined(CURSOR_BLINK)
721 if ((Options & Opt_cursorBlink)
722 && xev.type == KeyPress)
723 {
724 if (hidden_cursor)
725 {
726 hidden_cursor = 0;
727 want_refresh = 1;
728 }
729
730 blink_ev.start (NOW + BLINK_INTERVAL);
731 }
732 #endif
733
734 #if defined(POINTER_BLANK)
735 if ((Options & Opt_pointerBlank)
736 && (pointerBlankDelay > 0))
737 {
738 if (xev.type == MotionNotify
739 || xev.type == ButtonPress
740 || xev.type == ButtonRelease)
741 if (hidden_pointer)
742 pointer_unblank ();
743
744 if (xev.type == KeyPress && hidden_pointer == 0)
745 pointer_blank ();
746 }
747 #endif
748
749 #ifdef USE_XIM
750 if (!XFilterEvent (&xev, xev.xany.window))
751 #endif
752 rxvt_process_x_event (this, &xev);
753 }
754 while (XPending (Xdisplay));
755 }
756
757 #ifdef CURSOR_BLINK
758 void
759 rxvt_term::blink_cb (time_watcher &w)
760 {
761 w.at += BLINK_INTERVAL;
762 hidden_cursor = !hidden_cursor;
763 want_refresh = 1;
764 }
765 #endif
766
767 void
768 rxvt_term::x_cb (io_watcher &w, short revents)
769 {
770 SET_R (this);
771 SET_LOCALE (locale);
772
773 process_x_events ();
774 }
775
776 bool
777 rxvt_term::pty_fill ()
778 {
779 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
780
781 memmove (cmdbuf_base, cmdbuf_ptr, n);
782 cmdbuf_ptr = cmdbuf_base;
783 cmdbuf_endp = cmdbuf_ptr + n;
784
785 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n);
786
787 if (n > 0)
788 {
789 cmdbuf_endp += n;
790 return true;
791 }
792 else if (n < 0 && errno != EAGAIN)
793 destroy ();
794
795 return false;
796 }
797
798 void
799 rxvt_term::pty_cb (io_watcher &w, short revents)
800 {
801 SET_R (this);
802 SET_LOCALE (locale);
803
804 if (revents & EVENT_WRITE)
805 tt_write (0, 0);
806 else if (revents & EVENT_READ)
807 {
808 bool flag = true;
809
810 // loop, but don't allow a single term to monopolize us
811 // the number of loops is fully arbitrary, and thus wrong
812 while (flag && pty_fill ())
813 {
814 if (!seen_input)
815 {
816 seen_input = 1;
817 /* once we know the shell is running, send the screen size. Again! */
818 tt_winch ();
819 }
820
821 uint32_t ch = NOCHAR;
822
823 for (;;)
824 {
825 if (ch == NOCHAR)
826 ch = next_char ();
827
828 if (ch == NOCHAR) // TODO: improve
829 break;
830
831 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
832 {
833 /* Read a text string from the input buffer */
834 uint32_t buf[BUFSIZ];
835 bool refreshnow = false;
836 int nlines = 0;
837 uint32_t *str = buf;
838
839 *str++ = ch;
840
841 for (;;)
842 {
843 ch = next_char ();
844
845 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
846 break;
847 else
848 {
849 *str++ = ch;
850
851 if (ch == '\n')
852 {
853 nlines++;
854 refresh_count++;
855
856 if (!(Options & Opt_jumpScroll)
857 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
858 {
859 refreshnow = true;
860 flag = false;
861 ch = NOCHAR;
862 break;
863 }
864 }
865
866 if (str >= buf + BUFSIZ)
867 {
868 ch = NOCHAR;
869 break;
870 }
871 }
872 }
873
874 rxvt_scr_add_lines (this, buf, nlines, str - buf);
875
876 /*
877 * If there have been a lot of new lines, then update the screen
878 * What the heck I'll cheat and only refresh less than every page-full.
879 * the number of pages between refreshes is refresh_limit, which
880 * is incremented here because we must be doing flat-out scrolling.
881 *
882 * refreshing should be correct for small scrolls, because of the
883 * time-out
884 */
885 if (refreshnow)
886 {
887 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
888 refresh_limit++;
889
890 scr_refresh (refresh_type);
891 }
892
893 }
894 else
895 {
896 switch (ch)
897 {
898 default:
899 rxvt_process_nonprinting (this, ch);
900 break;
901 case C0_ESC: /* escape char */
902 rxvt_process_escape_seq (this);
903 break;
904 /*case 0x9b: */ /* CSI */
905 /* rxvt_process_csi_seq (this); */
906 }
907
908 ch = NOCHAR;
909 }
910 }
911 }
912 }
913 }
914
915 // read the next character, currently handles UTF-8
916 // will probably handle all sorts of other stuff in the future
917 uint32_t
918 rxvt_term::next_char ()
919 {
920 while (cmdbuf_ptr < cmdbuf_endp)
921 {
922 if (*cmdbuf_ptr < 0x80) // assume < 0x80 to be ascii ALWAYS (all shift-states etc.) uh-oh
923 return *cmdbuf_ptr++;
924
925 wchar_t wc;
926 int len = mbrtowc (&wc, (char *)cmdbuf_ptr, cmdbuf_endp - cmdbuf_ptr, &mbstate.mbs);
927
928 if (len == (size_t)-2)
929 return NOCHAR;
930
931 if (len == (size_t)-1)
932 return *cmdbuf_ptr++; // the _occasional_ latin1 character is allowed to slip through
933
934 // assume wchar == unicode
935 cmdbuf_ptr += len;
936 return wc;
937 }
938
939 return NOCHAR;
940 }
941
942 /* rxvt_cmd_getc() - Return next input character */
943 /*
944 * Return the next input character after first passing any keyboard input
945 * to the command.
946 */
947 /* INTPROTO */
948 uint32_t
949 rxvt_cmd_getc(pR)
950 {
951 for (;;)
952 {
953 uint32_t c = R->next_char ();
954 if (c != NOCHAR)
955 return c;
956
957 // incomplete sequences should occur rarely, still, a better solution
958 // would be preferred. either setjmp/longjmp or better design.
959 fcntl (R->cmd_fd, F_SETFL, 0);
960 R->pty_fill ();
961 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
962 }
963
964 #if 0
965 #define TIMEOUT_USEC 5000
966 fd_set readfds;
967 int quick_timeout, select_res;
968 int want_motion_time, want_keypress_time;
969 struct timeval value;
970 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
971 struct timeval tp;
972 #endif
973
974 for (;;) {
975 /* loop until we can return something */
976
977 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
978 R->tt_write(NULL, 0);
979
980 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
981 if (R->mouse_slip_wheel_speed) {
982 quick_timeout = 1;
983 if (!R->mouse_slip_wheel_delay--
984 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
985 abs(R->mouse_slip_wheel_speed))) {
986 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
987 R->refresh_type |= SMOOTH_REFRESH;
988 R->want_refresh = 1;
989 }
990 }
991 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
992 #ifdef SELECTION_SCROLLING
993 if (R->pending_scroll_selection) {
994 quick_timeout = 1;
995 if (!R->scroll_selection_delay--
996 && rxvt_scr_page(aR_ R->scroll_selection_dir,
997 R->scroll_selection_lines)) {
998 R->selection_extend (R->selection_save_x,
999 R->selection_save_y, R->selection_save_state);
1000 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
1001 R->refresh_type |= SMOOTH_REFRESH;
1002 R->want_refresh = 1;
1003 }
1004 }
1005 #endif
1006 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1007 if (scrollbar_isUp() || scrollbar_isDn()) {
1008 quick_timeout = 1;
1009 if (!R->scroll_arrow_delay--
1010 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
1011 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
1012 R->refresh_type |= SMOOTH_REFRESH;
1013 R->want_refresh = 1;
1014 }
1015 }
1016 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1017
1018 #ifdef TRANSPARENT
1019 quick_timeout |= R->want_full_refresh;
1020 #endif
1021 #endif
1022 }
1023
1024 void
1025 rxvt_term::pointer_unblank ()
1026 {
1027 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1028 recolour_cursor ();
1029
1030 #ifdef POINTER_BLANK
1031 hidden_pointer = 0;
1032
1033 if (Options & Opt_pointerBlank)
1034 pointer_ev.start (NOW + pointerBlankDelay);
1035 #endif
1036 }
1037
1038 #ifdef POINTER_BLANK
1039 void
1040 rxvt_term::pointer_blank ()
1041 {
1042 pointer_ev.stop ();
1043
1044 if (!(Options & Opt_pointerBlank))
1045 return;
1046
1047 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1048 XFlush (Xdisplay);
1049
1050 hidden_pointer = 1;
1051 }
1052
1053 void
1054 rxvt_term::pointer_cb (time_watcher &w)
1055 {
1056 SET_R (this);
1057 SET_LOCALE (locale);
1058
1059 pointer_blank ();
1060 }
1061 #endif
1062
1063 /* INTPROTO */
1064 void
1065 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1066 {
1067 int button_number, key_state = 0;
1068 int x, y;
1069
1070 x = ev->x;
1071 y = ev->y;
1072 R->pixel_position (&x, &y);
1073
1074 if (R->MEvent.button == AnyButton) {
1075 button_number = 3;
1076 } else {
1077 button_number = R->MEvent.button - Button1;
1078 /* add 0x3D for wheel events, like xterm does */
1079 if (button_number >= 3)
1080 button_number += (64 - 3);
1081 }
1082
1083 if (R->PrivateModes & PrivMode_MouseX10) {
1084 /*
1085 * do not report ButtonRelease
1086 * no state info allowed
1087 */
1088 key_state = 0;
1089 if (button_number == 3)
1090 return;
1091 } else {
1092 /* XTerm mouse reporting needs these values:
1093 * 4 = Shift
1094 * 8 = Meta
1095 * 16 = Control
1096 * plus will add in our own Double-Click reporting
1097 * 32 = Double Click
1098 */
1099 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1100 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1101 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1102 #ifdef MOUSE_REPORT_DOUBLECLICK
1103 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1104 #endif
1105 }
1106
1107 #ifdef DEBUG_MOUSEREPORT
1108 fprintf(stderr, "Mouse [");
1109 if (key_state & 16)
1110 fputc('C', stderr);
1111 if (key_state & 4)
1112 fputc('S', stderr);
1113 if (key_state & 8)
1114 fputc('A', stderr);
1115 if (key_state & 32)
1116 fputc('2', stderr);
1117 fprintf(stderr, "]: <%d>, %d/%d\n",
1118 button_number,
1119 x + 1,
1120 y + 1);
1121 #else
1122 R->tt_printf("\033[M%c%c%c",
1123 (32 + button_number + key_state),
1124 (32 + x + 1),
1125 (32 + y + 1));
1126 #endif
1127 }
1128
1129 #ifdef USING_W11LIB
1130 /* EXTPROTO */
1131 void
1132 rxvt_W11_process_x_event(XEvent *ev)
1133 {
1134 rxvt_t *r = rxvt_get_r();
1135
1136 rxvt_process_x_event(aR_ ev);
1137 }
1138 #endif
1139
1140 /*{{{ process an X event */
1141 /* INTPROTO */
1142 void
1143 rxvt_process_x_event(pR_ XEvent *ev)
1144 {
1145 int i, want_timeout;
1146 Window unused_root, unused_child;
1147 int unused_root_x, unused_root_y;
1148 unsigned int unused_mask;
1149
1150 #ifdef DEBUG_X
1151 const char *const eventnames[] =
1152 { /* mason - this matches my system */
1153 "",
1154 "",
1155 "KeyPress",
1156 "KeyRelease",
1157 "ButtonPress",
1158 "ButtonRelease",
1159 "MotionNotify",
1160 "EnterNotify",
1161 "LeaveNotify",
1162 "FocusIn",
1163 "FocusOut",
1164 "KeymapNotify",
1165 "Expose",
1166 "GraphicsExpose",
1167 "NoExpose",
1168 "VisibilityNotify",
1169 "CreateNotify",
1170 "DestroyNotify",
1171 "UnmapNotify",
1172 "MapNotify",
1173 "MapRequest",
1174 "ReparentNotify",
1175 "ConfigureNotify",
1176 "ConfigureRequest",
1177 "GravityNotify",
1178 "ResizeRequest",
1179 "CirculateNotify",
1180 "CirculateRequest",
1181 "PropertyNotify",
1182 "SelectionClear",
1183 "SelectionRequest",
1184 "SelectionNotify",
1185 "ColormapNotify",
1186 "ClientMessage",
1187 "MappingNotify"
1188 };
1189 #endif
1190
1191 #ifdef DEBUG_X
1192 struct timeval tp;
1193 struct tm *ltt;
1194 (void)gettimeofday(&tp, NULL);
1195 ltt = localtime(&(tp.tv_sec));
1196 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));
1197 #endif
1198
1199 switch (ev->type) {
1200 case KeyPress:
1201 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1202 break;
1203
1204 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1205 case KeyRelease:
1206 {
1207 if (!(ev->xkey.state & ControlMask))
1208 R->mouse_slip_wheel_speed = 0;
1209 else {
1210 KeySym ks;
1211
1212 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1213 if (ks == XK_Control_L || ks == XK_Control_R)
1214 R->mouse_slip_wheel_speed = 0;
1215 }
1216 break;
1217 }
1218 #endif
1219
1220 case ButtonPress:
1221 rxvt_button_press(aR_ (XButtonEvent *)ev);
1222 break;
1223
1224 case ButtonRelease:
1225 rxvt_button_release(aR_ (XButtonEvent *)ev);
1226 break;
1227
1228 case ClientMessage:
1229 if (ev->xclient.format == 32
1230 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1231 R->destroy ();
1232 #ifdef OFFIX_DND
1233 /* OffiX Dnd (drag 'n' drop) protocol */
1234 else if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1235 && (ev->xclient.data.l[0] == DndFile
1236 || ev->xclient.data.l[0] == DndDir
1237 || ev->xclient.data.l[0] == DndLink)) {
1238 /* Get Dnd data */
1239 Atom ActualType;
1240 int ActualFormat;
1241 unsigned char *data;
1242 unsigned long Size, RemainingBytes;
1243
1244 XGetWindowProperty(R->Xdisplay, Xroot,
1245 R->xa[XA_DNDSELECTION],
1246 0L, 1000000L,
1247 False, AnyPropertyType,
1248 &ActualType, &ActualFormat,
1249 &Size, &RemainingBytes,
1250 &data);
1251 XChangeProperty(R->Xdisplay, Xroot,
1252 XA_CUT_BUFFER0, XA_STRING,
1253 8, PropModeReplace,
1254 data, STRLEN(data));
1255 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1256 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1257 }
1258 #endif /* OFFIX_DND */
1259 break;
1260
1261 case MappingNotify:
1262 XRefreshKeyboardMapping(&(ev->xmapping));
1263 break;
1264
1265 /*
1266 * XXX: this is not the _current_ arrangement
1267 * Here's my conclusion:
1268 * If the window is completely unobscured, use bitblt's
1269 * to scroll. Even then, they're only used when doing partial
1270 * screen scrolling. When partially obscured, we have to fill
1271 * in the GraphicsExpose parts, which means that after each refresh,
1272 * we need to wait for the graphics expose or Noexpose events,
1273 * which ought to make things real slow!
1274 */
1275 case VisibilityNotify:
1276 switch (ev->xvisibility.state)
1277 {
1278 case VisibilityUnobscured:
1279 R->refresh_type = FAST_REFRESH;
1280 break;
1281 case VisibilityPartiallyObscured:
1282 R->refresh_type = SLOW_REFRESH;
1283 break;
1284 default:
1285 R->refresh_type = NO_REFRESH;
1286 break;
1287 }
1288 break;
1289
1290 case FocusIn:
1291 if (!R->TermWin.focus) {
1292 R->TermWin.focus = 1;
1293 R->want_refresh = 1;
1294 #ifdef USE_XIM
1295 if (R->Input_Context != NULL)
1296 XSetICFocus(R->Input_Context);
1297 #endif
1298 #ifdef CURSOR_BLINK
1299 if (R->Options & Opt_cursorBlink)
1300 R->blink_ev.start (NOW + BLINK_INTERVAL);
1301 #endif
1302 }
1303 break;
1304
1305 case FocusOut:
1306 if (R->TermWin.focus) {
1307 R->TermWin.focus = 0;
1308 R->want_refresh = 1;
1309 #ifdef USE_XIM
1310 if (R->Input_Context != NULL)
1311 XUnsetICFocus(R->Input_Context);
1312 #endif
1313 #ifdef CURSOR_BLINK
1314 if (R->Options & Opt_cursorBlink)
1315 R->blink_ev.stop ();
1316 R->hidden_cursor = 0;
1317 #endif
1318 }
1319 break;
1320
1321 case ConfigureNotify:
1322 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1323 int height, width;
1324
1325 do { /* Wrap lots of configures into one */
1326 width = ev->xconfigure.width;
1327 height = ev->xconfigure.height;
1328 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1329 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1330 ConfigureNotify, ev));
1331 if (R->szHint.width != width || R->szHint.height != height) {
1332 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1333 R->resize_all_windows (width, height, 1);
1334 }
1335 #ifdef DEBUG_SIZE
1336 else {
1337 D_SIZE((stderr, "Size: Not resizing"));
1338 }
1339 #endif
1340 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1341 if (R->Options & Opt_transparent) {
1342 rxvt_check_our_parents(aR);
1343 if (R->am_transparent)
1344 R->want_full_refresh = 1;
1345 }
1346 #endif
1347 }
1348 break;
1349
1350 case SelectionClear:
1351 rxvt_selection_clear(aR);
1352 break;
1353
1354 case SelectionNotify:
1355 if (R->selection_wait == Sel_normal)
1356 rxvt_selection_paste(aR_ ev->xselection.requestor,
1357 ev->xselection.property, True);
1358 break;
1359
1360 case SelectionRequest:
1361 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1362 break;
1363
1364 case UnmapNotify:
1365 R->TermWin.mapped = 0;
1366 break;
1367
1368 case MapNotify:
1369 R->TermWin.mapped = 1;
1370 break;
1371
1372 case PropertyNotify:
1373 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1374 if (ev->xproperty.state == PropertyNewValue)
1375 rxvt_selection_property(aR_ ev->xproperty.window,
1376 ev->xproperty.atom);
1377 break;
1378 }
1379 #ifdef TRANSPARENT
1380 /*
1381 * if user used some Esetroot compatible prog to set the root bg,
1382 * use the property to determine the pixmap. We use it later on.
1383 */
1384 if (R->xa[XA_XROOTPMAPID] == 0)
1385 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1386 "_XROOTPMAP_ID", False);
1387 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1388 break;
1389 /* FALLTHROUGH */
1390 case ReparentNotify:
1391 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1392 if (R->am_transparent)
1393 R->want_full_refresh = 1;
1394 }
1395 #endif /* TRANSPARENT */
1396 break;
1397
1398 case GraphicsExpose:
1399 case Expose:
1400 if (ev->xany.window == R->TermWin.vt) {
1401 #ifdef NO_SLOW_LINK_SUPPORT
1402 R->scr_expose (ev->xexpose.x, ev->xexpose.y,
1403 ev->xexpose.width, ev->xexpose.height, False);
1404 #else
1405 // don't understand this, so commented it out
1406 R->scr_expose (ev->xexpose.x, ev->xexpose.y,
1407 ev->xexpose.width, ev->xexpose.height, False);
1408 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1409 // ev->xexpose.width, R->TermWin.height, False);
1410 #endif
1411 R->want_refresh = 1;
1412 } else {
1413 XEvent unused_xevent;
1414
1415 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1416 Expose,
1417 &unused_xevent)) ;
1418 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1419 GraphicsExpose,
1420 &unused_xevent)) ;
1421 if (isScrollbarWindow(ev->xany.window)) {
1422 R->scrollBar.setIdle();
1423 rxvt_scrollbar_show(aR_ 0);
1424 }
1425 #ifdef MENUBAR
1426 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1427 rxvt_menubar_expose(aR);
1428 #endif
1429 #ifdef RXVT_GRAPHICS
1430 rxvt_Gr_expose(aR_ ev->xany.window);
1431 #endif
1432 }
1433 break;
1434
1435 case MotionNotify:
1436 #ifdef POINTER_BLANK
1437 if (R->hidden_pointer)
1438 R->pointer_unblank ();
1439 #endif
1440 #if MENUBAR
1441 if (isMenuBarWindow(ev->xany.window)) {
1442 rxvt_menubar_control(aR_ &(ev->xbutton));
1443 break;
1444 }
1445 #endif
1446 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1447 break;
1448
1449 if (ev->xany.window == R->TermWin.vt) {
1450 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1451 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1452 MotionNotify, ev)) ;
1453 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1454 &unused_root, &unused_child,
1455 &unused_root_x, &unused_root_y,
1456 &(ev->xbutton.x), &(ev->xbutton.y),
1457 &unused_mask);
1458 #ifdef MOUSE_THRESHOLD
1459 /* deal with a `jumpy' mouse */
1460 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1461 #endif
1462 R->selection_extend ((ev->xbutton.x), (ev->xbutton.y),
1463 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1464 #ifdef SELECTION_SCROLLING
1465 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1466 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1467 int dist;
1468
1469 R->pending_scroll_selection=1;
1470
1471 /* don't clobber the current delay if we are
1472 * already in the middle of scrolling.
1473 */
1474 if (R->scroll_selection_delay<=0)
1475 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1476
1477 /* save the event params so we can highlight
1478 * the selection in the pending-scroll loop
1479 */
1480 R->selection_save_x=ev->xbutton.x;
1481 R->selection_save_y=ev->xbutton.y;
1482 R->selection_save_state=
1483 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1484
1485 /* calc number of lines to scroll */
1486 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1487 R->scroll_selection_dir = UP;
1488 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1489 }
1490 else {
1491 R->scroll_selection_dir = DN;
1492 dist = ev->xbutton.y -
1493 (R->TermWin.int_bwidth + R->TermWin.height);
1494 }
1495 R->scroll_selection_lines=(Pixel2Height(dist)/
1496 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1497 MIN_IT(R->scroll_selection_lines,
1498 SELECTION_SCROLL_MAX_LINES);
1499 }
1500 else {
1501 /* we are within the text window, so we
1502 * shouldn't be scrolling
1503 */
1504 R->pending_scroll_selection = 0;
1505 }
1506 #endif
1507 #ifdef MOUSE_THRESHOLD
1508 }
1509 #endif
1510 }
1511 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1512 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1513 MotionNotify, ev)) ;
1514 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1515 &unused_root, &unused_child,
1516 &unused_root_x, &unused_root_y,
1517 &(ev->xbutton.x), &(ev->xbutton.y),
1518 &unused_mask);
1519 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1520 scrollbar_size());
1521 R->scr_refresh (R->refresh_type);
1522 R->refresh_limit = 0;
1523 rxvt_scrollbar_show(aR_ 1);
1524 }
1525 break;
1526 }
1527 }
1528
1529 /* INTPROTO */
1530 void
1531 rxvt_button_press(pR_ XButtonEvent *ev)
1532 {
1533 int reportmode = 0, clickintime;
1534
1535 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1536 if (!R->bypass_keystate)
1537 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1538 /*
1539 * VT window processing of button press
1540 */
1541 if (ev->window == R->TermWin.vt)
1542 {
1543 #if RXVT_GRAPHICS
1544 if (ev->subwindow != None)
1545 rxvt_Gr_ButtonPress (ev->x, ev->y);
1546 else
1547 #endif
1548 {
1549 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1550 if (reportmode)
1551 {
1552 /* mouse report from vt window */
1553 /* save the xbutton state (for ButtonRelease) */
1554 R->MEvent.state = ev->state;
1555 #ifdef MOUSE_REPORT_DOUBLECLICK
1556 if (ev->button == R->MEvent.button && clickintime)
1557 {
1558 /* same button, within alloted time */
1559 R->MEvent.clicks++;
1560 if (R->MEvent.clicks > 1)
1561 {
1562 /* only report double clicks */
1563 R->MEvent.clicks = 2;
1564 rxvt_mouse_report(aR_ ev);
1565
1566 /* don't report the release */
1567 R->MEvent.clicks = 0;
1568 R->MEvent.button = AnyButton;
1569 }
1570 }
1571 else
1572 {
1573 /* different button, or time expired */
1574 R->MEvent.clicks = 1;
1575 R->MEvent.button = ev->button;
1576 rxvt_mouse_report(aR_ ev);
1577 }
1578 #else
1579 R->MEvent.button = ev->button;
1580 rxvt_mouse_report(aR_ ev);
1581 #endif /* MOUSE_REPORT_DOUBLECLICK */
1582 }
1583 else
1584 {
1585 if (ev->button != R->MEvent.button)
1586 R->MEvent.clicks = 0;
1587 switch (ev->button)
1588 {
1589 case Button1:
1590 /* allow shift+left click to extend selection */
1591 if (ev->state & ShiftMask && !(R->PrivateModes & PrivMode_mouse_report))
1592 {
1593 if (R->MEvent.button == Button1 && clickintime)
1594 R->selection_rotate (ev->x, ev->y);
1595 else
1596 R->selection_extend (ev->x, ev->y, 1);
1597 }
1598 else
1599 {
1600 if (R->MEvent.button == Button1 && clickintime)
1601 R->MEvent.clicks++;
1602 else
1603 R->MEvent.clicks = 1;
1604
1605 R->selection_click (R->MEvent.clicks, ev->x, ev->y);
1606 }
1607
1608 R->MEvent.button = Button1;
1609 break;
1610
1611 case Button3:
1612 if (R->MEvent.button == Button3 && clickintime)
1613 R->selection_rotate (ev->x, ev->y);
1614 else
1615 R->selection_extend (ev->x, ev->y, 1);
1616 R->MEvent.button = Button3;
1617 break;
1618 }
1619 }
1620 R->MEvent.time = ev->time;
1621 return;
1622 }
1623 }
1624
1625 /*
1626 * Scrollbar window processing of button press
1627 */
1628 if (isScrollbarWindow(ev->window))
1629 {
1630 R->scrollBar.setIdle ();
1631 /*
1632 * Rxvt-style scrollbar:
1633 * move up if mouse is above slider
1634 * move dn if mouse is below slider
1635 *
1636 * XTerm-style scrollbar:
1637 * Move display proportional to pointer location
1638 * pointer near top -> scroll one line
1639 * pointer near bot -> scroll full page
1640 */
1641 #ifndef NO_SCROLLBAR_REPORT
1642 if (reportmode) {
1643 /*
1644 * Mouse report disabled scrollbar:
1645 * arrow buttons - send up/down
1646 * click on scrollbar - send pageup/down
1647 */
1648 if ((R->scrollBar.style == R_SB_NEXT
1649 && scrollbarnext_upButton(ev->y))
1650 || (R->scrollBar.style == R_SB_RXVT
1651 && scrollbarrxvt_upButton(ev->y)))
1652 R->tt_printf("\033[A");
1653 else if ((R->scrollBar.style == R_SB_NEXT
1654 && scrollbarnext_dnButton(ev->y))
1655 || (R->scrollBar.style == R_SB_RXVT
1656 && scrollbarrxvt_dnButton(ev->y)))
1657 R->tt_printf("\033[B");
1658 else
1659 switch (ev->button) {
1660 case Button2:
1661 R->tt_printf("\014");
1662 break;
1663 case Button1:
1664 R->tt_printf("\033[6~");
1665 break;
1666 case Button3:
1667 R->tt_printf("\033[5~");
1668 break;
1669 }
1670 }
1671 else
1672 #endif /* NO_SCROLLBAR_REPORT */
1673 {
1674 char upordown = 0;
1675
1676 if (R->scrollBar.style == R_SB_NEXT) {
1677 if (scrollbarnext_upButton(ev->y))
1678 upordown = -1; /* up */
1679 else if (scrollbarnext_dnButton(ev->y))
1680 upordown = 1; /* down */
1681 } else if (R->scrollBar.style == R_SB_RXVT) {
1682 if (scrollbarrxvt_upButton(ev->y))
1683 upordown = -1; /* up */
1684 else if (scrollbarrxvt_dnButton(ev->y))
1685 upordown = 1; /* down */
1686 }
1687 if (upordown) {
1688 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1689 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1690 #endif
1691 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1692 if (upordown < 0)
1693 R->scrollBar.setUp ();
1694 else
1695 R->scrollBar.setDn ();
1696 }
1697 } else
1698 switch (ev->button) {
1699 case Button2:
1700 switch (R->scrollbar_align) {
1701 case R_SB_ALIGN_TOP:
1702 R->csrO = 0;
1703 break;
1704 case R_SB_ALIGN_CENTRE:
1705 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1706 break;
1707 case R_SB_ALIGN_BOTTOM:
1708 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1709 break;
1710 }
1711 if (R->scrollBar.style == R_SB_XTERM
1712 || scrollbar_above_slider(ev->y)
1713 || scrollbar_below_slider(ev->y))
1714 rxvt_scr_move_to(aR_
1715 scrollbar_position(ev->y) - R->csrO,
1716 scrollbar_size());
1717 R->scrollBar.setMotion ();
1718 break;
1719
1720 case Button1:
1721 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1722 R->csrO = ev->y - R->scrollBar.top;
1723 /* FALLTHROUGH */
1724
1725 case Button3:
1726 if (R->scrollBar.style != R_SB_XTERM) {
1727 if (scrollbar_above_slider(ev->y))
1728 # ifdef RXVT_SCROLL_FULL
1729 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1730 # else
1731 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1732 # endif
1733 else if (scrollbar_below_slider(ev->y))
1734 # ifdef RXVT_SCROLL_FULL
1735 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1736 # else
1737 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1738 # endif
1739 else
1740 R->scrollBar.setMotion ();
1741 } else {
1742 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1743 (R->TermWin.nrow
1744 * scrollbar_position(ev->y)
1745 / scrollbar_size()));
1746 }
1747 break;
1748 }
1749 }
1750 return;
1751 }
1752 #if MENUBAR
1753 /*
1754 * Menubar window processing of button press
1755 */
1756 if (isMenuBarWindow(ev->window))
1757 rxvt_menubar_control(aR_ ev);
1758 #endif
1759 }
1760
1761 /* INTPROTO */
1762 void
1763 rxvt_button_release(pR_ XButtonEvent *ev)
1764 {
1765 int reportmode = 0;
1766
1767 R->csrO = 0; /* reset csr Offset */
1768 if (!R->bypass_keystate)
1769 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1770
1771 if (scrollbar_isUpDn()) {
1772 R->scrollBar.setIdle ();
1773 rxvt_scrollbar_show(aR_ 0);
1774 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1775 R->refresh_type &= ~SMOOTH_REFRESH;
1776 #endif
1777 }
1778 #ifdef SELECTION_SCROLLING
1779 R->pending_scroll_selection=0;
1780 #endif
1781 if (ev->window == R->TermWin.vt)
1782 {
1783 #ifdef RXVT_GRAPHICS
1784 if (ev->subwindow != None)
1785 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1786 else
1787 #endif
1788 {
1789 if (reportmode)
1790 {
1791 /* mouse report from vt window */
1792 /* don't report release of wheel "buttons" */
1793 if (ev->button >= 4)
1794 return;
1795 #ifdef MOUSE_REPORT_DOUBLECLICK
1796 /* only report the release of 'slow' single clicks */
1797 if (R->MEvent.button != AnyButton
1798 && (ev->button != R->MEvent.button
1799 || (ev->time - R->MEvent.time
1800 > MULTICLICK_TIME / 2)))
1801 {
1802 R->MEvent.clicks = 0;
1803 R->MEvent.button = AnyButton;
1804 rxvt_mouse_report(aR_ ev);
1805 }
1806 #else /* MOUSE_REPORT_DOUBLECLICK */
1807 R->MEvent.button = AnyButton;
1808 rxvt_mouse_report(aR_ ev);
1809 #endif /* MOUSE_REPORT_DOUBLECLICK */
1810 return;
1811 }
1812 /*
1813 * dumb hack to compensate for the failure of click-and-drag
1814 * when overriding mouse reporting
1815 */
1816 if (R->PrivateModes & PrivMode_mouse_report
1817 && R->bypass_keystate
1818 && ev->button == Button1 && R->MEvent.clicks <= 1)
1819 R->selection_extend (ev->x, ev->y, 0);
1820
1821 switch (ev->button) {
1822 case Button1:
1823 case Button3:
1824 rxvt_selection_make(aR_ ev->time);
1825 break;
1826 case Button2:
1827 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1828 break;
1829 #ifdef MOUSE_WHEEL
1830 case Button4:
1831 case Button5:
1832 {
1833 int i;
1834 page_dirn v;
1835
1836 v = (ev->button == Button4) ? UP : DN;
1837 if (ev->state & ShiftMask)
1838 i = 1;
1839 else if ((R->Options & Opt_mouseWheelScrollPage))
1840 i = R->TermWin.nrow - 1;
1841 else
1842 i = 5;
1843 # ifdef MOUSE_SLIP_WHEELING
1844 if (ev->state & ControlMask)
1845 {
1846 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1847 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1848 }
1849 # endif
1850 # ifdef JUMP_MOUSE_WHEEL
1851 rxvt_scr_page(aR_ v, i);
1852 R->scr_refresh (SMOOTH_REFRESH);
1853 rxvt_scrollbar_show(aR_ 1);
1854 # else
1855 while (i--)
1856 {
1857 rxvt_scr_page(aR_ v, 1);
1858 R->scr_refresh (SMOOTH_REFRESH);
1859 rxvt_scrollbar_show(aR_ 1);
1860 }
1861 # endif
1862 }
1863 break;
1864 #endif
1865 }
1866 }
1867 }
1868 #ifdef MENUBAR
1869 else if (isMenuBarWindow(ev->window))
1870 rxvt_menubar_control(aR_ ev);
1871 #endif
1872 }
1873
1874
1875 #ifdef TRANSPARENT
1876 /*
1877 * Check our parents are still who we think they are.
1878 * Do transparency updates if required
1879 */
1880 /* EXTPROTO */
1881 int
1882 rxvt_check_our_parents(pR)
1883 {
1884 int i, pchanged, aformat, have_pixmap, rootdepth;
1885 unsigned long nitems, bytes_after;
1886 Atom atype;
1887 unsigned char *prop = NULL;
1888 Window root, oldp, *list;
1889 Pixmap rootpixmap = None;
1890 XWindowAttributes wattr, wrootattr;
1891
1892 pchanged = 0;
1893
1894 if (!(R->Options & Opt_transparent))
1895 return pchanged; /* Don't try any more */
1896
1897 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1898 rootdepth = wrootattr.depth;
1899
1900 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1901 if (rootdepth != wattr.depth) {
1902 if (R->am_transparent) {
1903 pchanged = 1;
1904 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1905 R->PixColors[Color_bg]);
1906 R->am_transparent = R->am_pixmap_trans = 0;
1907 }
1908 return pchanged; /* Don't try any more */
1909 }
1910
1911 /* Get all X ops out of the queue so that our information is up-to-date. */
1912 XSync(R->Xdisplay, False);
1913
1914 /*
1915 * Make the frame window set by the window manager have
1916 * the root background. Some window managers put multiple nested frame
1917 * windows for each client, so we have to take care about that.
1918 */
1919 i = (R->xa[XA_XROOTPMAPID] != 0
1920 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1921 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1922 &nitems, &bytes_after, &prop) == Success));
1923 if (!i || prop == NULL)
1924 have_pixmap = 0;
1925 else {
1926 have_pixmap = 1;
1927 rootpixmap = *((Pixmap *)prop);
1928 XFree(prop);
1929 }
1930 if (have_pixmap) {
1931 /*
1932 * Copy Xroot pixmap transparency
1933 */
1934 int sx, sy, nx, ny;
1935 unsigned int nw, nh;
1936 Window cr;
1937 XImage *image;
1938 GC gc;
1939 XGCValues gcvalue;
1940
1941 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1942 0, 0, &sx, &sy, &cr);
1943 nw = (unsigned int)R->szHint.width;
1944 nh = (unsigned int)R->szHint.height;
1945 nx = ny = 0;
1946 if (sx < 0) {
1947 nw += sx;
1948 nx = -sx;
1949 sx = 0;
1950 }
1951 if (sy < 0) {
1952 nh += sy;
1953 ny = -sy;
1954 sy = 0;
1955 }
1956 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1957 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1958 R->allowedxerror = -1;
1959 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1960 ZPixmap);
1961 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1962 /* XXX: may need a delay here? */
1963 R->allowedxerror = 0;
1964 if (image == NULL) {
1965 if (R->am_transparent && R->am_pixmap_trans) {
1966 pchanged = 1;
1967 if (R->TermWin.pixmap != None) {
1968 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1969 R->TermWin.pixmap = None;
1970 }
1971 }
1972 R->am_pixmap_trans = 0;
1973 } else {
1974 if (R->TermWin.pixmap != None)
1975 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1976 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1977 (unsigned int)R->szHint.width,
1978 (unsigned int)R->szHint.height,
1979 (unsigned int)image->depth);
1980 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1981 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1982 nx, ny, (unsigned int)image->width,
1983 (unsigned int)image->height);
1984 XFreeGC(R->Xdisplay, gc);
1985 XDestroyImage(image);
1986 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
1987 R->TermWin.pixmap);
1988 if (!R->am_transparent || !R->am_pixmap_trans)
1989 pchanged = 1;
1990 R->am_transparent = R->am_pixmap_trans = 1;
1991 }
1992 }
1993 if (!R->am_pixmap_trans) {
1994 unsigned int n;
1995 /*
1996 * InheritPixmap transparency
1997 */
1998 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
1999 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
2000 i++) {
2001 oldp = R->TermWin.parent[i];
2002 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2003 &R->TermWin.parent[i], &list, &n);
2004 XFree(list);
2005 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2006 if (R->TermWin.parent[i] == Xroot) {
2007 if (oldp != None)
2008 pchanged = 1;
2009 break;
2010 }
2011 if (oldp != R->TermWin.parent[i])
2012 pchanged = 1;
2013 }
2014 n = 0;
2015 if (pchanged) {
2016 for (; n < (unsigned int)i; n++) {
2017 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2018 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2019 if (wattr.depth != rootdepth || wattr.c_class == InputOnly) {
2020 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2021 break;
2022 }
2023 }
2024 }
2025 if (n > (int)(sizeof(R->TermWin.parent)
2026 / sizeof(R->TermWin.parent[0]))) {
2027 D_X((stderr, "InheritPixmap Turning off"));
2028 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2029 R->PixColors[Color_fg]);
2030 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2031 R->PixColors[Color_bg]);
2032 R->am_transparent = 0;
2033 /* XXX: also turn off Opt_transparent? */
2034 } else {
2035 /* wait (an arbitrary period) for the WM to do its thing
2036 * needed for fvwm2.2.2 (and before?) */
2037 # ifdef HAVE_NANOSLEEP
2038 struct timespec rqt;
2039
2040 rqt.tv_sec = 1;
2041 rqt.tv_nsec = 0;
2042 nanosleep(&rqt, NULL);
2043 # else
2044 sleep(1);
2045 # endif
2046 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2047 for (n = 0; n < (unsigned int)i; n++)
2048 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2049 ParentRelative);
2050 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2051 ParentRelative);
2052 R->am_transparent = 1;
2053 }
2054 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2055 R->TermWin.parent[i] = None;
2056 }
2057 return pchanged;
2058 }
2059 #endif
2060
2061 /*}}} */
2062
2063 /*{{{ print pipe */
2064 /*----------------------------------------------------------------------*/
2065 #ifdef PRINTPIPE
2066 /* EXTPROTO */
2067 FILE *
2068 rxvt_popen_printer(pR)
2069 {
2070 FILE *stream = popen(R->rs[Rs_print_pipe], "w");
2071
2072 if (stream == NULL)
2073 rxvt_print_error("can't open printer pipe");
2074 return stream;
2075 }
2076
2077 /* EXTPROTO */
2078 int
2079 rxvt_pclose_printer (FILE *stream)
2080 {
2081 fflush (stream);
2082 /* pclose() reported not to work on SunOS 4.1.3 */
2083 # if defined (__sun__) /* TODO: RESOLVE THIS */
2084 /* pclose works provided SIGCHLD handler uses waitpid */
2085 return pclose (stream); /* return fclose (stream); */
2086 # else
2087 return pclose (stream);
2088 # endif
2089 }
2090
2091 /*
2092 * simulate attached vt100 printer
2093 */
2094 /* INTPROTO */
2095 void
2096 rxvt_process_print_pipe(pR)
2097 {
2098 int done;
2099 FILE *fd;
2100
2101 if ((fd = rxvt_popen_printer(aR)) == NULL)
2102 return;
2103
2104 /*
2105 * Send all input to the printer until either ESC[4i or ESC[?4i
2106 * is received.
2107 */
2108 for (done = 0; !done;) {
2109 unsigned char buf[8];
2110 unsigned char ch;
2111 unsigned int i, len;
2112
2113 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2114 if (putc(ch, fd) == EOF)
2115 break; /* done = 1 */
2116 } else {
2117 len = 0;
2118 buf[len++] = ch;
2119
2120 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2121 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2122 buf[len++] = '?';
2123 ch = rxvt_cmd_getc(aR);
2124 }
2125 if ((buf[len++] = ch) == '4') {
2126 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2127 break; /* done = 1 */
2128 }
2129 }
2130 for (i = 0; i < len; i++)
2131 if (putc(buf[i], fd) == EOF) {
2132 done = 1;
2133 break;
2134 }
2135 }
2136 }
2137 rxvt_pclose_printer(fd);
2138 }
2139 #endif /* PRINTPIPE */
2140 /*}}} */
2141
2142 /* *INDENT-OFF* */
2143 enum {
2144 C1_40 = 0x40,
2145 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2146 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2147 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2148 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2149 };
2150 /* *INDENT-ON* */
2151
2152 /*{{{ process non-printing single characters */
2153 /* INTPROTO */
2154 void
2155 rxvt_process_nonprinting(pR_ unsigned char ch)
2156 {
2157 switch (ch) {
2158 case C0_ENQ: /* terminal Status */
2159 if (R->rs[Rs_answerbackstring])
2160 R->tt_write(
2161 (const unsigned char *)R->rs[Rs_answerbackstring],
2162 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2163 else
2164 R->tt_write((unsigned char *)VT100_ANS,
2165 (unsigned int)STRLEN(VT100_ANS));
2166 break;
2167 case C0_BEL: /* bell */
2168 rxvt_scr_bell(aR);
2169 break;
2170 case C0_BS: /* backspace */
2171 rxvt_scr_backspace(aR);
2172 break;
2173 case C0_HT: /* tab */
2174 rxvt_scr_tab(aR_ 1);
2175 break;
2176 case C0_CR: /* carriage return */
2177 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2178 break;
2179 case C0_VT: /* vertical tab, form feed */
2180 case C0_FF:
2181 case C0_LF: /* line feed */
2182 rxvt_scr_index(aR_ UP);
2183 break;
2184 case C0_SO: /* shift out - acs */
2185 rxvt_scr_charset_choose(aR_ 1);
2186 break;
2187 case C0_SI: /* shift in - acs */
2188 rxvt_scr_charset_choose(aR_ 0);
2189 break;
2190 }
2191 }
2192 /*}}} */
2193
2194
2195 /*{{{ process VT52 escape sequences */
2196 /* INTPROTO */
2197 void
2198 rxvt_process_escape_vt52(pR_ unsigned char ch)
2199 {
2200 int row, col;
2201
2202 switch (ch) {
2203 case 'A': /* cursor up */
2204 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2205 break;
2206 case 'B': /* cursor down */
2207 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2208 break;
2209 case 'C': /* cursor right */
2210 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2211 break;
2212 case 'D': /* cursor left */
2213 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2214 break;
2215 case 'H': /* cursor home */
2216 rxvt_scr_gotorc(aR_ 0, 0, 0);
2217 break;
2218 case 'I': /* cursor up and scroll down if needed */
2219 rxvt_scr_index(aR_ DN);
2220 break;
2221 case 'J': /* erase to end of screen */
2222 R->scr_erase_screen (0);
2223 break;
2224 case 'K': /* erase to end of line */
2225 rxvt_scr_erase_line(aR_ 0);
2226 break;
2227 case 'Y': /* move to specified row and col */
2228 /* full command is 'ESC Y row col' where row and col
2229 * are encoded by adding 32 and sending the ascii
2230 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2231 * etc. */
2232 row = rxvt_cmd_getc(aR) - ' ';
2233 col = rxvt_cmd_getc(aR) - ' ';
2234 rxvt_scr_gotorc(aR_ row, col, 0);
2235 break;
2236 case 'Z': /* identify the terminal type */
2237 R->tt_printf("\033/Z"); /* I am a VT100 emulating a VT52 */
2238 break;
2239 case '<': /* turn off VT52 mode */
2240 PrivMode(0, PrivMode_vt52);
2241 break;
2242 case 'F': /* use special graphics character set */
2243 case 'G': /* use regular character set */
2244 /* unimplemented */
2245 break;
2246 case '=': /* use alternate keypad mode */
2247 case '>': /* use regular keypad mode */
2248 /* unimplemented */
2249 break;
2250 }
2251 }
2252 /*}}} */
2253
2254
2255 /*{{{ process escape sequences */
2256 /* INTPROTO */
2257 void
2258 rxvt_process_escape_seq(pR)
2259 {
2260 unsigned char ch = rxvt_cmd_getc(aR);
2261
2262 if (R->PrivateModes & PrivMode_vt52) {
2263 rxvt_process_escape_vt52(aR_ ch);
2264 return;
2265 }
2266
2267 switch (ch) {
2268 /* case 1: do_tek_mode (); break; */
2269 case '#':
2270 if (rxvt_cmd_getc(aR) == '8')
2271 rxvt_scr_E(aR);
2272 break;
2273 case '(':
2274 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2275 break;
2276 case ')':
2277 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2278 break;
2279 case '*':
2280 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2281 break;
2282 case '+':
2283 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2284 break;
2285 #ifdef MULTICHAR_SET
2286 case '$':
2287 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2288 break;
2289 #endif
2290 #ifndef NO_FRILLS
2291 case '6':
2292 rxvt_scr_backindex(aR);
2293 break;
2294 #endif
2295 case '7':
2296 rxvt_scr_cursor(aR_ SAVE);
2297 break;
2298 case '8':
2299 rxvt_scr_cursor(aR_ RESTORE);
2300 break;
2301 #ifndef NO_FRILLS
2302 case '9':
2303 rxvt_scr_forwardindex(aR);
2304 break;
2305 #endif
2306 case '=':
2307 case '>':
2308 PrivMode((ch == '='), PrivMode_aplKP);
2309 break;
2310
2311 case C1_40:
2312 rxvt_cmd_getc(aR);
2313 break;
2314 case C1_44:
2315 rxvt_scr_index(aR_ UP);
2316 break;
2317
2318 /* 8.3.87: NEXT LINE */
2319 case C1_NEL: /* ESC E */
2320 {
2321 uint32_t nlcr[] = { '\n', '\r' };
2322 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2323 }
2324 break;
2325
2326 /* kidnapped escape sequence: Should be 8.3.48 */
2327 case C1_ESA: /* ESC G */
2328 rxvt_process_graphics(aR);
2329 break;
2330
2331 /* 8.3.63: CHARACTER TABULATION SET */
2332 case C1_HTS: /* ESC H */
2333 rxvt_scr_set_tab(aR_ 1);
2334 break;
2335
2336 /* 8.3.105: REVERSE LINE FEED */
2337 case C1_RI: /* ESC M */
2338 rxvt_scr_index(aR_ DN);
2339 break;
2340
2341 /* 8.3.142: SINGLE-SHIFT TWO */
2342 /*case C1_SS2: scr_single_shift (2); break; */
2343
2344 /* 8.3.143: SINGLE-SHIFT THREE */
2345 /*case C1_SS3: scr_single_shift (3); break; */
2346
2347 /* 8.3.27: DEVICE CONTROL STRING */
2348 case C1_DCS: /* ESC P */
2349 rxvt_process_dcs_seq(aR);
2350 break;
2351
2352 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2353 case C1_SCI: /* ESC Z */
2354 R->tt_write((const unsigned char *)ESCZ_ANSWER,
2355 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2356 break; /* steal obsolete ESC [ c */
2357
2358 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2359 case C1_CSI: /* ESC [ */
2360 rxvt_process_csi_seq(aR);
2361 break;
2362
2363 /* 8.3.90: OPERATING SYSTEM COMMAND */
2364 case C1_OSC: /* ESC ] */
2365 rxvt_process_osc_seq(aR);
2366 break;
2367
2368 /* 8.3.106: RESET TO INITIAL STATE */
2369 case 'c':
2370 rxvt_scr_poweron(aR);
2371 rxvt_scrollbar_show(aR_ 1);
2372 break;
2373
2374 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2375 case 'n':
2376 rxvt_scr_charset_choose(aR_ 2);
2377 break;
2378
2379 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2380 case 'o':
2381 rxvt_scr_charset_choose(aR_ 3);
2382 break;
2383 }
2384 }
2385 /*}}} */
2386
2387 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2388 /* *INDENT-OFF* */
2389 enum {
2390 CSI_ICH = 0x40,
2391 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2392 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2393 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2394 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2395 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2396 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2397 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2398 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2399 };
2400
2401 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2402 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2403 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2404 #define get_byte_array_bit(array, bit) \
2405 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2406
2407 const unsigned char csi_defaults[] = {
2408 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2409 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2410 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2411 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2412 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2413 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2414 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2415 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2416 };
2417 /* *INDENT-ON* */
2418
2419 /* INTPROTO */
2420 void
2421 rxvt_process_csi_seq(pR)
2422 {
2423 unsigned char ch, priv, i;
2424 unsigned int nargs, p;
2425 int n, ndef;
2426 int arg[ESC_ARGS];
2427
2428 for (nargs = ESC_ARGS; nargs > 0;)
2429 arg[--nargs] = 0;
2430
2431 priv = 0;
2432 ch = rxvt_cmd_getc(aR);
2433 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2434 priv = ch;
2435 ch = rxvt_cmd_getc(aR);
2436 }
2437 /* read any numerical arguments */
2438 for (n = -1; ch < CSI_ICH; ) {
2439 if (isdigit(ch)) {
2440 if (n < 0)
2441 n = ch - '0';
2442 else
2443 n = n * 10 + ch - '0';
2444 } else if (ch == ';') {
2445 if (nargs < ESC_ARGS)
2446 arg[nargs++] = n;
2447 n = -1;
2448 } else if (ch == '\b') {
2449 rxvt_scr_backspace(aR);
2450 } else if (ch == C0_ESC) {
2451 rxvt_process_escape_seq(aR);
2452 return;
2453 } else if (ch < ' ') {
2454 rxvt_process_nonprinting(aR_ ch);
2455 }
2456 ch = rxvt_cmd_getc(aR);
2457 }
2458
2459 if (ch > CSI_7F)
2460 return;
2461
2462 if (nargs < ESC_ARGS)
2463 arg[nargs++] = n;
2464
2465 i = ch - CSI_ICH;
2466 ndef = get_byte_array_bit(csi_defaults, i);
2467 for (p = 0; p < nargs; p++)
2468 if (arg[p] == -1)
2469 arg[p] = ndef;
2470
2471 #ifdef DEBUG_CMD
2472 fprintf(stderr, "CSI ");
2473 for (p = 0; p < nargs; p++)
2474 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2475 fprintf(stderr, "%c\n", ch);
2476 #endif
2477
2478 /*
2479 * private mode handling
2480 */
2481 if (priv) {
2482 switch (priv) {
2483 case '>':
2484 if (ch == CSI_DA) /* secondary device attributes */
2485 R->tt_printf("\033[>%d;%-.8s;0c", 'R', VSTRING);
2486 break;
2487 case '?':
2488 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2489 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2490 break;
2491 }
2492 return;
2493 }
2494
2495 switch (ch) {
2496 /*
2497 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2498 */
2499 #ifdef PRINTPIPE
2500 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2501 switch (arg[0]) {
2502 case 0: /* initiate transfer to primary aux device */
2503 rxvt_scr_printscreen(aR_ 0);
2504 break;
2505 case 5: /* start relay to primary aux device */
2506 rxvt_process_print_pipe(aR);
2507 break;
2508 }
2509 break;
2510 #endif
2511
2512 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2513 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2514 arg[0] = -arg[0];
2515 /* FALLTHROUGH */
2516 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2517 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2518 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2519 break;
2520
2521 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2522 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2523 #ifdef ISO6429
2524 arg[0] = -arg[0];
2525 #else /* emulate common DEC VTs */
2526 arg[0] = arg[0] ? -arg[0] : -1;
2527 #endif
2528 /* FALLTHROUGH */
2529 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2530 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2531 #ifdef ISO6429
2532 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2533 #else /* emulate common DEC VTs */
2534 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2535 #endif
2536 break;
2537
2538 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2539 arg[0] = -arg[0];
2540 /* FALLTHROUGH */
2541 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2542 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2543 break;
2544
2545 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2546 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2547 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2548 break;
2549
2550 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2551 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2552 break;
2553
2554 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2555 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2556 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2557 break;
2558
2559 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2560 arg[0] = -arg[0];
2561 /* FALLTHROUGH */
2562 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2563 rxvt_scr_tab(aR_ arg[0]);
2564 break;
2565
2566 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2567 R->scr_erase_screen (arg[0]);
2568 break;
2569
2570 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2571 rxvt_scr_erase_line(aR_ arg[0]);
2572 break;
2573
2574 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2575 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2576 break;
2577
2578 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2579 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2580 break;
2581
2582 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2583 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2584 break;
2585
2586 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2587 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2588 break;
2589
2590 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2591 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2592 break;
2593
2594 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2595 arg[0] = -arg[0];
2596 /* FALLTHROUGH */
2597 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2598 R->scr_scroll_text (R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2599 break;
2600
2601 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2602 R->tt_write((const unsigned char *)VT100_ANS,
2603 (unsigned int)(sizeof(VT100_ANS) - 1));
2604 break;
2605
2606 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2607 rxvt_process_sgr_mode(aR_ nargs, arg);
2608 break;
2609
2610 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2611 switch (arg[0]) {
2612 case 5: /* DSR requested */
2613 R->tt_printf("\033[0n");
2614 break;
2615 case 6: /* CPR requested */
2616 rxvt_scr_report_position(aR);
2617 break;
2618 #if defined (ENABLE_DISPLAY_ANSWER)
2619 case 7: /* unofficial extension */
2620 R->tt_printf("%-.250s\n", R->rs[Rs_display_name]);
2621 break;
2622 #endif
2623 case 8: /* unofficial extension */
2624 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2625 break;
2626 }
2627 break;
2628
2629 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2630 switch (arg[0]) {
2631 case 0: /* char tab stop cleared at active position */
2632 rxvt_scr_set_tab(aR_ 0);
2633 break;
2634 /* case 1: */ /* line tab stop cleared in active line */
2635 /* case 2: */ /* char tab stops cleared in active line */
2636 case 3: /* all char tab stops are cleared */
2637 /* case 4: */ /* all line tab stops are cleared */
2638 case 5: /* all tab stops are cleared */
2639 rxvt_scr_set_tab(aR_ -1);
2640 break;
2641 }
2642 break;
2643
2644 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2645 switch (arg[0]) {
2646 case 0: /* char tab stop set at active position */
2647 rxvt_scr_set_tab(aR_ 1);
2648 break; /* = ESC H */
2649 /* case 1: */ /* line tab stop set at active line */
2650 case 2: /* char tab stop cleared at active position */
2651 rxvt_scr_set_tab(aR_ 0);
2652 break; /* = ESC [ 0 g */
2653 /* case 3: */ /* line tab stop cleared at active line */
2654 /* case 4: */ /* char tab stops cleared at active line */
2655 case 5: /* all char tab stops are cleared */
2656 rxvt_scr_set_tab(aR_ -1);
2657 break; /* = ESC [ 3 g */
2658 /* case 6: */ /* all line tab stops are cleared */
2659 }
2660 break;
2661
2662 case CSI_RM: /* 8.3.107: RESET MODE */
2663 if (arg[0] == 4)
2664 rxvt_scr_insert_mode(aR_ 0);
2665 break;
2666
2667 case CSI_SM: /* 8.3.126: SET MODE */
2668 if (arg[0] == 4)
2669 rxvt_scr_insert_mode(aR_ 1);
2670 break;
2671
2672 /*
2673 * PRIVATE USE beyond this point. All CSI_7? sequences here
2674 */
2675 case CSI_72: /* DECSTBM: set top and bottom margins */
2676 if (nargs == 1)
2677 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2678 else if (nargs == 0 || arg[0] >= arg[1])
2679 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2680 else
2681 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2682 break;
2683
2684 case CSI_73:
2685 rxvt_scr_cursor(aR_ SAVE);
2686 break;
2687 case CSI_75:
2688 rxvt_scr_cursor(aR_ RESTORE);
2689 break;
2690
2691 #ifndef NO_FRILLS
2692 case CSI_74:
2693 rxvt_process_window_ops(aR_ arg, nargs);
2694 break;
2695 #endif
2696
2697 case CSI_78: /* DECREQTPARM */
2698 if (arg[0] == 0 || arg[0] == 1)
2699 R->tt_printf("\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2700 /* FALLTHROUGH */
2701
2702 default:
2703 break;
2704 }
2705 }
2706 /*}}} */
2707
2708 #ifndef NO_FRILLS
2709 /* ARGSUSED */
2710 /* INTPROTO */
2711 void
2712 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2713 {
2714 int x, y;
2715 #if 0
2716 char *s;
2717 #endif
2718 XWindowAttributes wattr;
2719 Window wdummy;
2720
2721 if (nargs == 0)
2722 return;
2723 switch (args[0]) {
2724 /*
2725 * commands
2726 */
2727 case 1: /* deiconify window */
2728 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2729 break;
2730 case 2: /* iconify window */
2731 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2732 DefaultScreen(R->Xdisplay));
2733 break;
2734 case 3: /* set position (pixels) */
2735 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2736 break;
2737 case 4: /* set size (pixels) */
2738 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2739 break;
2740 case 5: /* raise window */
2741 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2742 break;
2743 case 6: /* lower window */
2744 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2745 break;
2746 case 7: /* refresh window */
2747 R->scr_touch (true);
2748 break;
2749 case 8: /* set size (chars) */
2750 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2751 (unsigned int)(args[1] * R->TermWin.fheight));
2752 break;
2753 default:
2754 if (args[0] >= 24) /* set height (chars) */
2755 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2756 (unsigned int)(args[1] * R->TermWin.fheight));
2757 break;
2758 /*
2759 * reports - some output format copied from XTerm
2760 */
2761 case 11: /* report window state */
2762 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2763 R->tt_printf("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2764 break;
2765 case 13: /* report window position */
2766 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2767 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2768 -wattr.border_width, -wattr.border_width,
2769 &x, &y, &wdummy);
2770 R->tt_printf("\033[3;%d;%dt", x, y);
2771 break;
2772 case 14: /* report window size (pixels) */
2773 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2774 R->tt_printf("\033[4;%d;%dt", wattr.height, wattr.width);
2775 break;
2776 case 18: /* report window size (chars) */
2777 R->tt_printf("\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2778 break;
2779 #if 0 /* XXX: currently disabled due to security concerns */
2780 case 20: /* report icon label */
2781 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2782 R->tt_printf("\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2783 break;
2784 case 21: /* report window title */
2785 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2786 R->tt_printf("\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2787 break;
2788 #endif
2789 }
2790 }
2791 #endif
2792
2793 /*----------------------------------------------------------------------*/
2794 /*
2795 * get input up until STRING TERMINATOR (or BEL)
2796 * ends_how is terminator used. returned input must be free()d
2797 */
2798 /* INTPROTO */
2799 unsigned char *
2800 rxvt_get_to_st(pR_ unsigned char *ends_how)
2801 {
2802 int seen_esc = 0; /* seen escape? */
2803 unsigned int n = 0;
2804 unsigned char *s;
2805 unsigned char ch, string[STRING_MAX];
2806
2807 for (; (ch = rxvt_cmd_getc(aR));) {
2808 if (ch == C0_BEL
2809 || ch == CHAR_ST
2810 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2811 break;
2812 if (ch == C0_ESC) {
2813 seen_esc = 1;
2814 continue;
2815 } else if (ch == '\t')
2816 ch = ' '; /* translate '\t' to space */
2817 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2818 return NULL; /* other control character - exit */
2819 if (n < sizeof(string) - 1)
2820 string[n++] = ch;
2821 seen_esc = 0;
2822 }
2823 string[n++] = '\0';
2824 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2825 return NULL;
2826 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2827 STRNCPY(s, string, n);
2828 return s;
2829 }
2830
2831 /*----------------------------------------------------------------------*/
2832 /*
2833 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2834 */
2835 /* INTPROTO */
2836 void
2837 rxvt_process_dcs_seq(pR)
2838 {
2839 unsigned char eh, *s;
2840 /*
2841 * Not handled yet
2842 */
2843 s = rxvt_get_to_st(aR_ &eh);
2844 if (s)
2845 free(s);
2846 return;
2847 }
2848
2849 /*----------------------------------------------------------------------*/
2850 /*
2851 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2852 */
2853 /* INTPROTO */
2854 void
2855 rxvt_process_osc_seq(pR)
2856 {
2857 unsigned char ch, eh, *s;
2858 int arg;
2859
2860 ch = rxvt_cmd_getc(aR);
2861 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2862 arg = arg * 10 + (ch - '0');
2863
2864 if (ch == ';') {
2865 s = rxvt_get_to_st(aR_ &eh);
2866 if (s) {
2867 /*
2868 * rxvt_menubar_dispatch() violates the constness of the string,
2869 * so do it here
2870 */
2871 if (arg == XTerm_Menu)
2872 #if 0 /* XXX: currently disabled due to security concerns */
2873 rxvt_menubar_dispatch(aR_ (char *)s);
2874 #else
2875 0;
2876 #endif
2877 else
2878 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2879 free(s);
2880 }
2881 }
2882 }
2883 /*
2884 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2885 * 0 = change iconName/title
2886 * 1 = change iconName
2887 * 2 = change title
2888 * 4 = change color
2889 * 12 = change text color
2890 * 13 = change mouse foreground color
2891 * 17 = change highlight character colour
2892 * 18 = change bold character color
2893 * 19 = change underlined character color
2894 * 46 = change logfile (not implemented)
2895 * 50 = change font
2896 *
2897 * rxvt extensions:
2898 * 10 = menu (may change in future)
2899 * 20 = bg pixmap
2900 * 39 = change default fg color
2901 * 49 = change default bg color
2902 * 55 = dump scrollback buffer and all of screen
2903 */
2904 /* EXTPROTO */
2905 void
2906 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2907 {
2908 int changed = 0;
2909 int color;
2910 char *buf, *name;
2911
2912 assert(str != NULL);
2913 switch (op) {
2914 case XTerm_name:
2915 rxvt_set_title(aR_ str);
2916 /* FALLTHROUGH */
2917 case XTerm_iconName:
2918 rxvt_set_iconName(aR_ str);
2919 break;
2920 case XTerm_title:
2921 rxvt_set_title(aR_ str);
2922 break;
2923 case XTerm_Color:
2924 for (buf = (char *)str; buf && *buf;) {
2925 if ((name = STRCHR(buf, ';')) == NULL)
2926 break;
2927 *name++ = '\0';
2928 color = atoi(buf);
2929 if (color < 0 || color >= TOTAL_COLORS)
2930 break;
2931 if ((buf = STRCHR(name, ';')) != NULL)
2932 *buf++ = '\0';
2933 rxvt_set_window_color(aR_ color + minCOLOR, name);
2934 }
2935 break;
2936 #ifndef NO_CURSORCOLOR
2937 case XTerm_Color_cursor:
2938 rxvt_set_window_color(aR_ Color_cursor, str);
2939 break;
2940 #endif
2941 case XTerm_Color_pointer:
2942 rxvt_set_window_color(aR_ Color_pointer, str);
2943 break;
2944 #ifndef NO_BOLD_UNDERLINE_REVERSE
2945 case XTerm_Color_BD:
2946 rxvt_set_window_color(aR_ Color_BD, str);
2947 break;
2948 case XTerm_Color_UL:
2949 rxvt_set_window_color(aR_ Color_UL, str);
2950 break;
2951 case XTerm_Color_RV:
2952 rxvt_set_window_color(aR_ Color_RV, str);
2953 break;
2954 #endif
2955
2956 case XTerm_Menu:
2957 /*
2958 * rxvt_menubar_dispatch() violates the constness of the string,
2959 * so DON'T do it here
2960 */
2961 break;
2962 case XTerm_Pixmap:
2963 if (*str != ';') {
2964 #if XPM_BACKGROUND
2965 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2966 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2967 #endif
2968 R->scr_touch (true);
2969 }
2970 while ((str = STRCHR(str, ';')) != NULL) {
2971 str++;
2972 #if XPM_BACKGROUND
2973 changed += rxvt_scale_pixmap(aR_ str);
2974 #endif
2975 }
2976 if (changed) {
2977 #ifdef XPM_BACKGROUND
2978 rxvt_resize_pixmap(aR);
2979 #endif
2980 R->scr_touch (true);
2981 }
2982 break;
2983
2984 case XTerm_restoreFG:
2985 rxvt_set_window_color(aR_ Color_fg, str);
2986 break;
2987 case XTerm_restoreBG:
2988 rxvt_set_window_color(aR_ Color_bg, str);
2989 break;
2990 case XTerm_logfile:
2991 break;
2992 case XTerm_font:
2993 rxvt_change_font(aR_ 0, str);
2994 break;
2995 #if 0
2996 case XTerm_dumpscreen: /* no error notices */
2997 {
2998 int fd;
2999 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
3000 rxvt_scr_dump(aR_ fd);
3001 close(fd);
3002 }
3003 }
3004 break;
3005 #endif
3006 }
3007 }
3008 /*----------------------------------------------------------------------*/
3009
3010 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
3011 /*
3012 * mode can only have the following values:
3013 * 'l' = low
3014 * 'h' = high
3015 * 's' = save
3016 * 'r' = restore
3017 * 't' = toggle
3018 * so no need for fancy checking
3019 */
3020 /* INTPROTO */
3021 int
3022 rxvt_privcases(pR_ int mode, unsigned long bit)
3023 {
3024 int state;
3025
3026 if (mode == 's') {
3027 R->SavedModes |= (R->PrivateModes & bit);
3028 return -1;
3029 } else {
3030 if (mode == 'r')
3031 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */
3032 else
3033 state = (mode == 't') ? !(R->PrivateModes & bit) : mode;
3034 PrivMode(state, bit);
3035 }
3036 return state;
3037 }
3038
3039 /* we're not using priv _yet_ */
3040 /* INTPROTO */
3041 void
3042 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3043 {
3044 unsigned int i, j;
3045 int state;
3046 static const struct {
3047 const int argval;
3048 const unsigned long bit;
3049 } argtopriv[] = {
3050 { 1, PrivMode_aplCUR },
3051 { 2, PrivMode_vt52 },
3052 { 3, PrivMode_132 },
3053 { 4, PrivMode_smoothScroll },
3054 { 5, PrivMode_rVideo },
3055 { 6, PrivMode_relOrigin },
3056 { 7, PrivMode_Autowrap },
3057 { 9, PrivMode_MouseX10 },
3058 #ifdef menuBar_esc
3059 { menuBar_esc, PrivMode_menuBar },
3060 #endif
3061 #ifdef scrollBar_esc
3062 { scrollBar_esc, PrivMode_scrollBar },
3063 #endif
3064 { 25, PrivMode_VisibleCursor },
3065 { 35, PrivMode_ShiftKeys },
3066 { 40, PrivMode_132OK },
3067 { 47, PrivMode_Screen },
3068 { 66, PrivMode_aplKP },
3069 #ifndef NO_BACKSPACE_KEY
3070 { 67, PrivMode_BackSpace },
3071 #endif
3072 { 1000, PrivMode_MouseX11 },
3073 { 1010, PrivMode_TtyOutputInh },
3074 { 1011, PrivMode_Keypress },
3075 { 1047, PrivMode_Screen },
3076 };
3077
3078 if (nargs == 0)
3079 return;
3080
3081 /* make lo/hi boolean */
3082 if (mode == 'l')
3083 mode = 0; /* reset */
3084 else if (mode == 'h')
3085 mode = 1; /* set */
3086
3087 for (i = 0; i < nargs; i++) {
3088 state = -1;
3089
3090 /* basic handling */
3091 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3092 if (argtopriv[j].argval == arg[i]) {
3093 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3094 break;
3095 }
3096
3097 /* extra handling for values with state unkept */
3098 if (state == -1)
3099 switch (arg[i]) {
3100 case 1048: /* alternative cursor save */
3101 if (mode == 0)
3102 rxvt_scr_cursor(aR_ RESTORE);
3103 else if (mode == 1)
3104 rxvt_scr_cursor(aR_ SAVE);
3105 /* FALLTHROUGH */
3106 default:
3107 continue; /* for(;i;) */
3108 }
3109
3110 /* extra handling for values with valid 0 or 1 state */
3111 switch (arg[i]) {
3112 /* case 1: - application cursor keys */
3113 case 2: /* VT52 mode */
3114 /* oddball mode. should be set regardless of set/reset
3115 * parameter. Return from VT52 mode with an ESC < from
3116 * within VT52 mode
3117 */
3118 PrivMode(1, PrivMode_vt52);
3119 break;
3120 case 3: /* 80/132 */
3121 if (R->PrivateModes & PrivMode_132OK)
3122 rxvt_set_widthheight(aR_
3123 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3124 (unsigned int)R->TermWin.height);
3125 break;
3126 case 4: /* smooth scrolling */
3127 if (state)
3128 R->Options &= ~Opt_jumpScroll;
3129 else
3130 R->Options |= Opt_jumpScroll;
3131 break;
3132 case 5: /* reverse video */
3133 rxvt_scr_rvideo_mode(aR_ state);
3134 break;
3135 case 6: /* relative/absolute origins */
3136 rxvt_scr_relative_origin(aR_ state);
3137 break;
3138 case 7: /* autowrap */
3139 rxvt_scr_autowrap(aR_ state);
3140 break;
3141 /* case 8: - auto repeat, can't do on a per window basis */
3142 case 9: /* X10 mouse reporting */
3143 if (state) /* orthogonal */
3144 R->PrivateModes &= ~(PrivMode_MouseX11);
3145 break;
3146 #ifdef menuBar_esc
3147 case menuBar_esc:
3148 #ifdef MENUBAR
3149 rxvt_map_menuBar(aR_ state);
3150 #endif
3151 break;
3152 #endif
3153 #ifdef scrollBar_esc
3154 case scrollBar_esc:
3155 if (rxvt_scrollbar_mapping(aR_ state)) {
3156 R->resize_all_windows (0, 0, 0);
3157 R->scr_touch (true);
3158 }
3159 break;
3160 #endif
3161 case 25: /* visible/invisible cursor */
3162 rxvt_scr_cursor_visible(aR_ state);
3163 break;
3164 /* case 35: - shift keys */
3165 /* case 40: - 80 <--> 132 mode */
3166 case 47: /* secondary screen */
3167 rxvt_scr_change_screen(aR_ state);
3168 break;
3169 /* case 66: - application key pad */
3170 /* case 67: - backspace key */
3171 case 1000: /* X11 mouse reporting */
3172 if (state) /* orthogonal */
3173 R->PrivateModes &= ~(PrivMode_MouseX10);
3174 break;
3175 #if 0
3176 case 1001:
3177 break; /* X11 mouse highlighting */
3178 #endif
3179 case 1010: /* scroll to bottom on TTY output inhibit */
3180 if (state)
3181 R->Options &= ~Opt_scrollTtyOutput;
3182 else
3183 R->Options |= Opt_scrollTtyOutput;
3184 break;
3185 case 1011: /* scroll to bottom on key press */
3186 if (state)
3187 R->Options |= Opt_scrollTtyKeypress;
3188 else
3189 R->Options &= ~Opt_scrollTtyKeypress;
3190 break;
3191 case 1047: /* secondary screen w/ clearing */
3192 if (R->current_screen != PRIMARY)
3193 R->scr_erase_screen (2);
3194 rxvt_scr_change_screen(aR_ state);
3195 /* FALLTHROUGH */
3196 default:
3197 break;
3198 }
3199 }
3200 }
3201 /*}}} */
3202
3203 /*{{{ process sgr sequences */
3204 /* INTPROTO */
3205 void
3206 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3207 {
3208 unsigned int i;
3209 short rendset;
3210 int rendstyle;
3211
3212 if (nargs == 0) {
3213 rxvt_scr_rendition(aR_ 0, ~RS_None);
3214 return;
3215 }
3216 for (i = 0; i < nargs; i++) {
3217 rendset = -1;
3218 switch (arg[i]) {
3219 case 0:
3220 rendset = 0, rendstyle = ~RS_None;
3221 break;
3222 case 1:
3223 rendset = 1, rendstyle = RS_Bold;
3224 break;
3225 case 4:
3226 rendset = 1, rendstyle = RS_Uline;
3227 break;
3228 case 5:
3229 rendset = 1, rendstyle = RS_Blink;
3230 break;
3231 case 7:
3232 rendset = 1, rendstyle = RS_RVid;
3233 break;
3234 case 22:
3235 rendset = 0, rendstyle = RS_Bold;
3236 break;
3237 case 24:
3238 rendset = 0, rendstyle = RS_Uline;
3239 break;
3240 case 25:
3241 rendset = 0, rendstyle = RS_Blink;
3242 break;
3243 case 27:
3244 rendset = 0, rendstyle = RS_RVid;
3245 break;
3246 }
3247 if (rendset != -1) {
3248 rxvt_scr_rendition(aR_ rendset, rendstyle);
3249 continue; /* for(;i;) */
3250 }
3251
3252 switch (arg[i]) {
3253 case 30:
3254 case 31: /* set fg color */
3255 case 32:
3256 case 33:
3257 case 34:
3258 case 35:
3259 case 36:
3260 case 37:
3261 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3262 Color_fg);
3263 break;
3264 #ifdef TTY_256COLOR
3265 case 38:
3266 if (nargs > i + 2 && arg[i + 1] == 5) {
3267 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3268 Color_fg);
3269 i += 2;
3270 }
3271 break;
3272 #endif
3273 case 39: /* default fg */
3274 rxvt_scr_color(aR_ Color_fg, Color_fg);
3275 break;
3276
3277 case 40:
3278 case 41: /* set bg color */
3279 case 42:
3280 case 43:
3281 case 44:
3282 case 45:
3283 case 46:
3284 case 47:
3285 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3286 Color_bg);
3287 break;
3288 #ifdef TTY_256COLOR
3289 case 48:
3290 if (nargs > i + 2 && arg[i + 1] == 5) {
3291 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3292 Color_bg);
3293 i += 2;
3294 }
3295 break;
3296 #endif
3297 case 49: /* default bg */
3298 rxvt_scr_color(aR_ Color_bg, Color_bg);
3299 break;
3300
3301 #ifndef NO_BRIGHTCOLOR
3302 case 90:
3303 case 91: /* set bright fg color */
3304 case 92:
3305 case 93:
3306 case 94:
3307 case 95:
3308 case 96:
3309 case 97:
3310 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3311 Color_fg);
3312 break;
3313 case 100:
3314 case 101: /* set bright bg color */
3315 case 102:
3316 case 103:
3317 case 104:
3318 case 105:
3319 case 106:
3320 case 107:
3321 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3322 Color_bg);
3323 break;
3324 #endif
3325 }
3326 }
3327 }
3328 /*}}} */
3329
3330 /*{{{ process Rob Nation's own graphics mode sequences */
3331 /* INTPROTO */
3332 void
3333 rxvt_process_graphics(pR)
3334 {
3335 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3336
3337 #ifndef RXVT_GRAPHICS
3338 if (cmd == 'Q') { /* query graphics */
3339 R->tt_printf("\033G0\n"); /* no graphics */
3340 return;
3341 }
3342 /* swallow other graphics sequences until terminating ':' */
3343 do
3344 ch = rxvt_cmd_getc(aR);
3345 while (ch != ':');
3346 #else
3347 unsigned int nargs;
3348 int args[NGRX_PTS];
3349 unsigned char *text = NULL;
3350
3351 if (cmd == 'Q') { /* query graphics */
3352 R->tt_printf("\033G1\n"); /* yes, graphics (color) */
3353 return;
3354 }
3355 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3356 int neg;
3357
3358 ch = rxvt_cmd_getc(aR);
3359 neg = (ch == '-');
3360 if (neg || ch == '+')
3361 ch = rxvt_cmd_getc(aR);
3362
3363 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3364 args[nargs] = args[nargs] * 10 + (ch - '0');
3365 if (neg)
3366 args[nargs] = -args[nargs];
3367
3368 nargs++;
3369 args[nargs] = 0;
3370 if (ch != ';')
3371 break;
3372 }
3373
3374 if ((cmd == 'T') && (nargs >= 5)) {
3375 int i, len = args[4];
3376
3377 text = (unsigned char *)rxvt_malloc((len + 1) * sizeof(char));
3378
3379 if (text != NULL) {
3380 for (i = 0; i < len; i++)
3381 text[i] = rxvt_cmd_getc(aR);
3382 text[len] = '\0';
3383 }
3384 }
3385 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3386 #endif
3387 }
3388 /*}}} */
3389
3390 /* ------------------------------------------------------------------------- */
3391
3392 /*
3393 * Send printf() formatted output to the command.
3394 * Only use for small amounts of data.
3395 */
3396 void
3397 rxvt_term::tt_printf (const char *fmt,...)
3398 {
3399 va_list arg_ptr;
3400 unsigned char buf[256];
3401
3402 va_start (arg_ptr, fmt);
3403 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3404 va_end (arg_ptr);
3405 tt_write (buf, STRLEN (buf));
3406 }
3407
3408 /* ---------------------------------------------------------------------- */
3409 /* Write data to the pty as typed by the user, pasted with the mouse,
3410 * or generated by us in response to a query ESC sequence.
3411 */
3412 void
3413 rxvt_term::tt_write (const unsigned char *data, unsigned int len)
3414 {
3415 enum { MAX_PTY_WRITE = 255 }; // minimum MAX_INPUT
3416
3417 if (len)
3418 {
3419 if (v_buflen == 0)
3420 {
3421 int written = write (cmd_fd, data, min (MAX_PTY_WRITE, len));
3422 if (written == len)
3423 return;
3424
3425 data += written;
3426 len -= written;
3427 }
3428
3429
3430 v_buffer = (unsigned char *)realloc (v_buffer, v_buflen + len);
3431
3432 memcpy (v_buffer + v_buflen, data, len);
3433 v_buflen += len;
3434 }
3435
3436 for (;;)
3437 {
3438 int written = write (cmd_fd, v_buffer, min (MAX_PTY_WRITE, v_buflen));
3439
3440 if (written > 0)
3441 {
3442 v_buflen -= written;
3443
3444 if (v_buflen == 0)
3445 {
3446 free (v_buffer);
3447 v_buffer = 0;
3448 v_buflen = 0;
3449
3450 pty_ev.set (EVENT_READ);
3451 return;
3452 }
3453
3454 memmove (v_buffer, v_buffer + written, v_buflen);
3455 }
3456 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3457 // original code just ignores this...
3458 destroy ();
3459 else
3460 {
3461 pty_ev.set (EVENT_READ | EVENT_WRITE);
3462 return;
3463 }
3464 }
3465 }
3466
3467 /*----------------------- end-of-file (C source) -----------------------*/
3468