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Revision: 1.16
Committed: Wed Dec 17 09:00:35 2003 UTC (20 years, 4 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.15: +2 -2 lines
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File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.15 2003/12/16 23:04:13 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 /*----------------------------------------------------------------------*/
54
55 /*{{{ Convert the keypress event into a string */
56 /* INTPROTO */
57 void
58 rxvt_lookup_key(pR_ XKeyEvent *ev)
59 {
60 int ctrl, meta, shft, len;
61 unsigned int newlen;
62 KeySym keysym;
63 #ifdef DEBUG_CMD
64 static int debug_key = 1; /* accessible by a debugger only */
65 #endif
66 int valid_keysym;
67 unsigned char *kbuf = R->kbuf;
68
69 /*
70 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
71 * escape sequence to toggle the Keypad.
72 *
73 * Always permit `shift' to override the current setting
74 */
75 shft = (ev->state & ShiftMask);
76 ctrl = (ev->state & ControlMask);
77 meta = (ev->state & R->ModMetaMask);
78
79 if (R->numlock_state || (ev->state & R->ModNumLockMask))
80 {
81 R->numlock_state = (ev->state & R->ModNumLockMask);
82 PrivMode((!R->numlock_state), PrivMode_aplKP);
83 }
84
85 kbuf[0] = 0;
86
87 #ifdef USE_XIM
88 if (R->Input_Context)
89 {
90 Status status_return;
91
92 #ifdef X_HAVE_UTF8_STRING
93 len = Xutf8LookupString(R->Input_Context, ev, (char *)kbuf,
94 KBUFSZ, &keysym, &status_return);
95 #else
96 len = XmbLookupString(R->Input_Context, ev, (char *)kbuf,
97 KBUFSZ, &keysym, &status_return);
98 #endif
99 valid_keysym = ((status_return == XLookupKeySym)
100 || (status_return == XLookupBoth));
101 }
102 else
103 #endif
104 {
105 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym, &R->compose);
106 valid_keysym = !len;
107 }
108
109 if (valid_keysym)
110 {
111 /* for some backwards compatibility */
112 #if defined(HOTKEY_CTRL) || defined(HOTKEY_META)
113 # ifdef HOTKEY_CTRL
114 if (ctrl)
115 # else
116 if (meta)
117 # endif
118 {
119 if (keysym == R->ks_bigfont)
120 {
121 rxvt_change_font(aR_ 0, FONT_UP);
122 return;
123 }
124 else if (keysym == R->ks_smallfont)
125 {
126 rxvt_change_font(aR_ 0, FONT_DN);
127 return;
128 }
129 }
130 #endif
131
132 if (R->TermWin.saveLines) {
133 #ifdef UNSHIFTED_SCROLLKEYS
134 if (!ctrl && !meta) {
135 #else
136 if (IS_SCROLL_MOD) {
137 #endif
138 int lnsppg;
139
140 #ifdef PAGING_CONTEXT_LINES
141 lnsppg = R->TermWin.nrow - PAGING_CONTEXT_LINES;
142 #else
143 lnsppg = R->TermWin.nrow * 4 / 5;
144 #endif
145 if (keysym == XK_Prior) {
146 rxvt_scr_page(aR_ UP, lnsppg);
147 return;
148 } else if (keysym == XK_Next) {
149 rxvt_scr_page(aR_ DN, lnsppg);
150 return;
151 }
152 }
153 #ifdef SCROLL_ON_UPDOWN_KEYS
154 if (IS_SCROLL_MOD) {
155 if (keysym == XK_Up) {
156 rxvt_scr_page(aR_ UP, 1);
157 return;
158 } else if (keysym == XK_Down) {
159 rxvt_scr_page(aR_ DN, 1);
160 return;
161 }
162 }
163 #endif
164 #ifdef SCROLL_ON_HOMEEND_KEYS
165 if (IS_SCROLL_MOD) {
166 if (keysym == XK_Home) {
167 rxvt_scr_move_to(aR_ 0, 1);
168 return;
169 } else if (keysym == XK_End) {
170 rxvt_scr_move_to(aR_ 1, 0);
171 return;
172 }
173 }
174 #endif
175 }
176
177 if (shft) {
178 /* Shift + F1 - F10 generates F11 - F20 */
179 if (keysym >= XK_F1 && keysym <= XK_F10) {
180 keysym += (XK_F11 - XK_F1);
181 shft = 0; /* turn off Shift */
182 } else if (!ctrl && !meta && (R->PrivateModes & PrivMode_ShiftKeys)) {
183 switch (keysym) {
184 /* normal XTerm key bindings */
185 case XK_Insert: /* Shift+Insert = paste mouse selection */
186 rxvt_selection_request(aR_ ev->time, 0, 0);
187 return;
188 /* rxvt extras */
189 case XK_KP_Add: /* Shift+KP_Add = bigger font */
190 rxvt_change_font(aR_ 0, FONT_UP);
191 return;
192 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
193 rxvt_change_font(aR_ 0, FONT_DN);
194 return;
195 }
196 }
197 }
198 #ifdef PRINTPIPE
199 if (keysym == XK_Print) {
200 rxvt_scr_printscreen(aR_ ctrl | shft);
201 return;
202 }
203 #endif
204 #ifdef GREEK_SUPPORT
205 if (keysym == R->ks_greekmodeswith) {
206 R->greek_mode = !R->greek_mode;
207 if (R->greek_mode) {
208 rxvt_xterm_seq(aR_ XTerm_title,
209 (greek_getmode() == GREEK_ELOT928
210 ? "[Greek: iso]" : "[Greek: ibm]"), CHAR_ST);
211 greek_reset();
212 } else
213 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
214 return;
215 }
216 #endif
217
218 if (keysym >= 0xFF00 && keysym <= 0xFFFF) {
219 #ifdef KEYSYM_RESOURCE
220 if (!(shft | ctrl) && R->Keysym_map[keysym & 0xFF] != NULL) {
221 unsigned int l;
222 const unsigned char *kbuf0;
223 const unsigned char ch = C0_ESC;
224
225 kbuf0 = (R->Keysym_map[keysym & 0xFF]);
226 l = (unsigned int)*kbuf0++;
227
228 /* escape prefix */
229 if (meta)
230 # ifdef META8_OPTION
231 if (R->meta_char == C0_ESC)
232 # endif
233 R->tt_write (&ch, 1);
234 R->tt_write (kbuf0, l);
235 return;
236 } else
237 #endif
238 {
239 newlen = 1;
240 switch (keysym) {
241 #ifndef NO_BACKSPACE_KEY
242 case XK_BackSpace:
243 if (R->PrivateModes & PrivMode_HaveBackSpace) {
244 kbuf[0] = (!!(R->PrivateModes & PrivMode_BackSpace)
245 ^ !!ctrl) ? '\b' : '\177';
246 kbuf[1] = '\0';
247 } else
248 STRCPY(kbuf, R->key_backspace);
249 # ifdef MULTICHAR_SET
250 if ((R->Options & Opt_mc_hack) && R->screen.cur.col > 0) {
251 int col, row;
252
253 newlen = STRLEN(kbuf);
254 col = R->screen.cur.col - 1;
255 row = R->screen.cur.row + R->TermWin.saveLines;
256 if (IS_MULTI2(R->screen.rend[row][col]))
257 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
258 }
259 # endif
260 break;
261 #endif
262 #ifndef NO_DELETE_KEY
263 case XK_Delete:
264 STRCPY(kbuf, R->key_delete);
265 # ifdef MULTICHAR_SET
266 if (R->Options & Opt_mc_hack) {
267 int col, row;
268
269 newlen = STRLEN(kbuf);
270 col = R->screen.cur.col;
271 row = R->screen.cur.row + R->TermWin.saveLines;
272 if (IS_MULTI1(R->screen.rend[row][col]))
273 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
274 }
275 # endif
276 break;
277 #endif
278 case XK_Tab:
279 if (shft)
280 STRCPY(kbuf, "\033[Z");
281 else {
282 #ifdef CTRL_TAB_MAKES_META
283 if (ctrl)
284 meta = 1;
285 #endif
286 #ifdef MOD4_TAB_MAKES_META
287 if (ev->state & Mod4Mask)
288 meta = 1;
289 #endif
290 newlen = 0;
291 }
292 break;
293
294
295 #ifdef XK_KP_Left
296 case XK_KP_Up: /* \033Ox or standard */
297 case XK_KP_Down: /* \033Or or standard */
298 case XK_KP_Right: /* \033Ov or standard */
299 case XK_KP_Left: /* \033Ot or standard */
300 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
301 STRCPY(kbuf, "\033OZ");
302 kbuf[2] = ("txvr"[keysym - XK_KP_Left]);
303 break;
304 } else
305 /* translate to std. cursor key */
306 keysym = XK_Left + (keysym - XK_KP_Left);
307 /* FALLTHROUGH */
308 #endif
309 case XK_Up: /* "\033[A" */
310 case XK_Down: /* "\033[B" */
311 case XK_Right: /* "\033[C" */
312 case XK_Left: /* "\033[D" */
313 STRCPY(kbuf, "\033[Z");
314 kbuf[2] = ("DACB"[keysym - XK_Left]);
315 /* do Shift first */
316 if (shft)
317 kbuf[2] = ("dacb"[keysym - XK_Left]);
318 else if (ctrl) {
319 kbuf[1] = 'O';
320 kbuf[2] = ("dacb"[keysym - XK_Left]);
321 } else if (R->PrivateModes & PrivMode_aplCUR)
322 kbuf[1] = 'O';
323 #ifdef MULTICHAR_SET
324 //TODO: ??
325 if (R->Options & Opt_mc_hack) {
326 int col, row, m;
327
328 col = R->screen.cur.col;
329 row = R->screen.cur.row + R->TermWin.saveLines;
330 m = 0;
331 if (keysym == XK_Right
332 && IS_MULTI1(R->screen.rend[row][col]))
333 m = 1;
334 else if (keysym == XK_Left) {
335 if (col > 0) {
336 if (IS_MULTI2(R->screen.rend[row][col - 1]))
337 m = 1;
338 } else if (R->screen.cur.row > 0) {
339 col = R->screen.tlen[--row];
340 if (col == -1)
341 col = R->TermWin.ncol - 1;
342 else
343 col--;
344 if (col > 0
345 && IS_MULTI2(R->screen.rend[row][col]))
346 m = 1;
347 }
348 }
349 if (m)
350 MEMMOVE(kbuf + 3, kbuf, 3 + 1);
351 }
352 #endif
353 break;
354
355 #ifndef UNSHIFTED_SCROLLKEYS
356 # ifdef XK_KP_Prior
357 case XK_KP_Prior:
358 /* allow shift to override */
359 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
360 STRCPY(kbuf, "\033Oy");
361 break;
362 }
363 /* FALLTHROUGH */
364 # endif
365 case XK_Prior:
366 STRCPY(kbuf, "\033[5~");
367 break;
368 # ifdef XK_KP_Next
369 case XK_KP_Next:
370 /* allow shift to override */
371 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
372 STRCPY(kbuf, "\033Os");
373 break;
374 }
375 /* FALLTHROUGH */
376 # endif
377 case XK_Next:
378 STRCPY(kbuf, "\033[6~");
379 break;
380 #endif
381 case XK_KP_Enter:
382 /* allow shift to override */
383 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
384 STRCPY(kbuf, "\033OM");
385 } else {
386 kbuf[0] = '\r';
387 kbuf[1] = '\0';
388 }
389 break;
390
391 #ifdef XK_KP_Begin
392 case XK_KP_Begin:
393 STRCPY(kbuf, "\033Ou");
394 break;
395
396 case XK_KP_Insert:
397 STRCPY(kbuf, "\033Op");
398 break;
399
400 case XK_KP_Delete:
401 STRCPY(kbuf, "\033On");
402 break;
403 #endif
404 case XK_KP_F1: /* "\033OP" */
405 case XK_KP_F2: /* "\033OQ" */
406 case XK_KP_F3: /* "\033OR" */
407 case XK_KP_F4: /* "\033OS" */
408 STRCPY(kbuf, "\033OP");
409 kbuf[2] += (keysym - XK_KP_F1);
410 break;
411
412 case XK_KP_Multiply: /* "\033Oj" : "*" */
413 case XK_KP_Add: /* "\033Ok" : "+" */
414 case XK_KP_Separator: /* "\033Ol" : "," */
415 case XK_KP_Subtract: /* "\033Om" : "-" */
416 case XK_KP_Decimal: /* "\033On" : "." */
417 case XK_KP_Divide: /* "\033Oo" : "/" */
418 case XK_KP_0: /* "\033Op" : "0" */
419 case XK_KP_1: /* "\033Oq" : "1" */
420 case XK_KP_2: /* "\033Or" : "2" */
421 case XK_KP_3: /* "\033Os" : "3" */
422 case XK_KP_4: /* "\033Ot" : "4" */
423 case XK_KP_5: /* "\033Ou" : "5" */
424 case XK_KP_6: /* "\033Ov" : "6" */
425 case XK_KP_7: /* "\033Ow" : "7" */
426 case XK_KP_8: /* "\033Ox" : "8" */
427 case XK_KP_9: /* "\033Oy" : "9" */
428 /* allow shift to override */
429 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
430 STRCPY(kbuf, "\033Oj");
431 kbuf[2] += (keysym - XK_KP_Multiply);
432 } else {
433 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
434 kbuf[1] = '\0';
435 }
436 break;
437
438 case XK_Find:
439 STRCPY(kbuf, "\033[1~");
440 break;
441 case XK_Insert:
442 STRCPY(kbuf, "\033[2~");
443 break;
444 #ifdef DXK_Remove /* support for DEC remove like key */
445 case DXK_Remove:
446 /* FALLTHROUGH */
447 #endif
448 case XK_Execute:
449 STRCPY(kbuf, "\033[3~");
450 break;
451 case XK_Select:
452 STRCPY(kbuf, "\033[4~");
453 break;
454 #ifdef XK_KP_End
455 case XK_KP_End:
456 /* allow shift to override */
457 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
458 STRCPY(kbuf, "\033Oq");
459 break;
460 }
461 /* FALLTHROUGH */
462 #endif
463 case XK_End:
464 STRCPY(kbuf, KS_END);
465 break;
466 #ifdef XK_KP_Home
467 case XK_KP_Home:
468 /* allow shift to override */
469 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
470 STRCPY(kbuf, "\033Ow");
471 break;
472 }
473 /* FALLTHROUGH */
474 #endif
475 case XK_Home:
476 STRCPY(kbuf, KS_HOME);
477 break;
478
479 #define FKEY(n, fkey) \
480 sprintf((char *)kbuf,"\033[%2d~", (int)((n) + (keysym - fkey)))
481
482 case XK_F1: /* "\033[11~" */
483 case XK_F2: /* "\033[12~" */
484 case XK_F3: /* "\033[13~" */
485 case XK_F4: /* "\033[14~" */
486 case XK_F5: /* "\033[15~" */
487 FKEY(11, XK_F1);
488 break;
489 case XK_F6: /* "\033[17~" */
490 case XK_F7: /* "\033[18~" */
491 case XK_F8: /* "\033[19~" */
492 case XK_F9: /* "\033[20~" */
493 case XK_F10: /* "\033[21~" */
494 FKEY(17, XK_F6);
495 break;
496 case XK_F11: /* "\033[23~" */
497 case XK_F12: /* "\033[24~" */
498 case XK_F13: /* "\033[25~" */
499 case XK_F14: /* "\033[26~" */
500 FKEY(23, XK_F11);
501 break;
502 case XK_F15: /* "\033[28~" */
503 case XK_F16: /* "\033[29~" */
504 FKEY(28, XK_F15);
505 break;
506 case XK_Help: /* "\033[28~" */
507 FKEY(28, XK_Help);
508 break;
509 case XK_Menu: /* "\033[29~" */
510 FKEY(29, XK_Menu);
511 break;
512 case XK_F17: /* "\033[31~" */
513 case XK_F18: /* "\033[32~" */
514 case XK_F19: /* "\033[33~" */
515 case XK_F20: /* "\033[34~" */
516 case XK_F21: /* "\033[35~" */
517 case XK_F22: /* "\033[36~" */
518 case XK_F23: /* "\033[37~" */
519 case XK_F24: /* "\033[38~" */
520 case XK_F25: /* "\033[39~" */
521 case XK_F26: /* "\033[40~" */
522 case XK_F27: /* "\033[41~" */
523 case XK_F28: /* "\033[42~" */
524 case XK_F29: /* "\033[43~" */
525 case XK_F30: /* "\033[44~" */
526 case XK_F31: /* "\033[45~" */
527 case XK_F32: /* "\033[46~" */
528 case XK_F33: /* "\033[47~" */
529 case XK_F34: /* "\033[48~" */
530 case XK_F35: /* "\033[49~" */
531 FKEY(31, XK_F17);
532 break;
533 #undef FKEY
534 default:
535 newlen = 0;
536 break;
537 }
538 if (newlen)
539 len = STRLEN(kbuf);
540 }
541 /*
542 * Pass meta for all function keys, if 'meta' option set
543 */
544 #ifdef META8_OPTION
545 if (meta && (R->meta_char == 0x80) && len > 0)
546 kbuf[len - 1] |= 0x80;
547 #endif
548 } else if (ctrl && keysym == XK_minus) {
549 len = 1;
550 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
551 } else {
552 #ifdef META8_OPTION
553 /* set 8-bit on */
554 if (meta && (R->meta_char == 0x80)) {
555 unsigned char *ch;
556
557 for (ch = kbuf; ch < kbuf + len; ch++)
558 *ch |= 0x80;
559 meta = 0;
560 }
561 #endif
562 #ifdef GREEK_SUPPORT
563 if (R->greek_mode)
564 len = greek_xlat(kbuf, len);
565 #endif
566 /* nil */ ;
567 }
568 }
569
570 if (len <= 0)
571 return; /* not mapped */
572
573 if (R->Options & Opt_scrollTtyKeypress)
574 if (R->TermWin.view_start) {
575 R->TermWin.view_start = 0;
576 R->want_refresh = 1;
577 }
578
579 /*
580 * these modifications only affect the static keybuffer
581 * pass Shift/Control indicators for function keys ending with `~'
582 *
583 * eg,
584 * Prior = "ESC[5~"
585 * Shift+Prior = "ESC[5$"
586 * Ctrl+Prior = "ESC[5^"
587 * Ctrl+Shift+Prior = "ESC[5@"
588 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
589 */
590 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
591 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
592
593 /* escape prefix */
594 if (meta
595 #ifdef META8_OPTION
596 && (R->meta_char == C0_ESC)
597 #endif
598 ) {
599 const unsigned char ch = C0_ESC;
600
601 R->tt_write(&ch, 1);
602 }
603 #ifdef DEBUG_CMD
604 if (debug_key) { /* Display keyboard buffer contents */
605 char *p;
606 int i;
607
608 fprintf(stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
609 for (i = 0, p = kbuf; i < len; i++, p++)
610 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
611 fprintf(stderr, "'\n");
612 }
613 #endif /* DEBUG_CMD */
614 R->tt_write(kbuf, (unsigned int)len);
615 }
616 /*}}} */
617
618 #if (MENUBAR_MAX)
619 /*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
620 /* attempt to `write' count to the input buffer */
621 /* EXTPROTO */
622 unsigned int
623 rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
624 {
625 unsigned int n, s;
626 unsigned char *cmdbuf_base = R->cmdbuf_base,
627 *cmdbuf_endp = R->cmdbuf_endp,
628 *cmdbuf_ptr = R->cmdbuf_ptr;
629
630 n = cmdbuf_ptr - cmdbuf_base;
631 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp;
632 if (n > 0 && s < count) {
633 MEMMOVE(cmdbuf_base, cmdbuf_ptr,
634 (unsigned int)(cmdbuf_endp - cmdbuf_ptr));
635 cmdbuf_ptr = cmdbuf_base;
636 cmdbuf_endp -= n;
637 s += n;
638 }
639 if (count > s) {
640 rxvt_print_error("data loss: cmd_write too large");
641 count = s;
642 }
643 for (; count--;)
644 *cmdbuf_endp++ = *str++;
645 R->cmdbuf_ptr = cmdbuf_ptr;
646 R->cmdbuf_endp = cmdbuf_endp;
647 return 0;
648 }
649 #endif /* MENUBAR_MAX */
650
651 void
652 rxvt_term::flush ()
653 {
654 #ifdef TRANSPARENT
655 if (want_full_refresh)
656 {
657 want_full_refresh = 0;
658 rxvt_scr_clear (this);
659 rxvt_scr_touch (this, False);
660 want_refresh = 1;
661 }
662 #endif
663
664 if (want_refresh)
665 {
666 rxvt_scr_refresh (this, refresh_type);
667 rxvt_scrollbar_show (this, 1);
668 #ifdef USE_XIM
669 rxvt_IMSendSpot (this);
670 #endif
671 }
672
673 XFlush (Xdisplay);
674 #if 0
675 if (XPending (Xdisplay)) process_x_events ();
676 if (XPending (Xdisplay)) process_x_events ();
677 #endif
678 }
679
680 void
681 rxvt_term::check_cb (check_watcher &w)
682 {
683 SET_R (this);
684
685 flush ();
686 }
687
688 void
689 rxvt_term::process_x_events ()
690 {
691 do
692 {
693 XEvent xev;
694
695 XNextEvent (Xdisplay, &xev);
696
697 #if defined(CURSOR_BLINK)
698 if ((Options & Opt_cursorBlink)
699 && xev.type == KeyPress)
700 {
701 if (hidden_cursor)
702 {
703 hidden_cursor = 0;
704 want_refresh = 1;
705 }
706
707 blink_ev.start (NOW + BLINK_INTERVAL);
708 }
709 #endif
710
711 #if defined(POINTER_BLANK)
712 if ((Options & Opt_pointerBlank)
713 && (pointerBlankDelay > 0))
714 {
715 if (xev.type == MotionNotify
716 || xev.type == ButtonPress
717 || xev.type == ButtonRelease)
718 if (hidden_pointer)
719 pointer_unblank ();
720
721 if (xev.type == KeyPress && hidden_pointer == 0)
722 pointer_blank ();
723 }
724 #endif
725
726 #ifdef USE_XIM
727 if (!XFilterEvent (&xev, xev.xany.window))
728 #endif
729 rxvt_process_x_event (this, &xev);
730 }
731 while (XPending (Xdisplay));
732 }
733
734 void
735 rxvt_term::blink_cb (time_watcher &w)
736 {
737 SET_R (this);
738
739 w.at += BLINK_INTERVAL;
740 hidden_cursor = !hidden_cursor;
741 want_refresh = 1;
742 }
743
744 void
745 rxvt_term::x_cb (io_watcher &w, short revents)
746 {
747 SET_R (this);
748
749 process_x_events ();
750 }
751
752 bool
753 rxvt_term::pty_fill ()
754 {
755 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
756
757 memmove (cmdbuf_base, cmdbuf_ptr, n);
758 cmdbuf_ptr = cmdbuf_base;
759 cmdbuf_endp = cmdbuf_ptr + n;
760
761 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n);
762
763 if (n > 0)
764 {
765 cmdbuf_endp += n;
766 return true;
767 }
768 else if (n < 0 && errno != EAGAIN)
769 destroy ();
770
771 return false;
772 }
773
774 void
775 rxvt_term::pty_cb (io_watcher &w, short revents)
776 {
777 SET_R (this);
778
779 if (revents & EVENT_WRITE)
780 tt_write (0, 0);
781 else if (revents & EVENT_READ)
782 {
783 bool flag = true;
784
785 // loop, but don't allow a single term to monopolize us
786 // the number of loops is fully arbitrary, and thus wrong
787 while (flag && pty_fill ())
788 {
789 if (!seen_input)
790 {
791 seen_input = 1;
792 /* once we know the shell is running, send the screen size. Again! */
793 tt_winch ();
794 }
795
796 uint32_t ch = NOCHAR;
797
798 for (;;)
799 {
800 if (ch == NOCHAR)
801 ch = next_char ();
802
803 if (ch == NOCHAR) // TODO: improve
804 break;
805
806 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
807 {
808 /* Read a text string from the input buffer */
809 uint32_t buf[BUFSIZ];
810 bool refreshnow = false;
811 int nlines = 0;
812 uint32_t *str = buf;
813
814 *str++ = ch;
815
816 for (;;)
817 {
818 ch = next_char ();
819
820 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
821 break;
822 else
823 {
824 *str++ = ch;
825
826 if (ch == '\n')
827 {
828 nlines++;
829 refresh_count++;
830
831 if (!(Options & Opt_jumpScroll)
832 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
833 {
834 refreshnow = true;
835 flag = false;
836 ch = NOCHAR;
837 break;
838 }
839 }
840
841 if (str >= buf + BUFSIZ)
842 {
843 ch = NOCHAR;
844 break;
845 }
846 }
847 }
848
849 rxvt_scr_add_lines (this, buf, nlines, str - buf);
850
851 /*
852 * If there have been a lot of new lines, then update the screen
853 * What the heck I'll cheat and only refresh less than every page-full.
854 * the number of pages between refreshes is refresh_limit, which
855 * is incremented here because we must be doing flat-out scrolling.
856 *
857 * refreshing should be correct for small scrolls, because of the
858 * time-out
859 */
860 if (refreshnow)
861 {
862 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
863 refresh_limit++;
864
865 rxvt_scr_refresh (this, refresh_type);
866 }
867
868 }
869 else
870 {
871 switch (ch)
872 {
873 default:
874 rxvt_process_nonprinting (this, ch);
875 break;
876 case C0_ESC: /* escape char */
877 rxvt_process_escape_seq (this);
878 break;
879 /*case 0x9b: */ /* CSI */
880 /* rxvt_process_csi_seq (this); */
881 }
882
883 ch = NOCHAR;
884 }
885 }
886 }
887 }
888 }
889
890 // read the next character, currently handles UTF-8
891 // will probably handle all sorts of other stuff in the future
892 uint32_t
893 rxvt_term::next_char ()
894 {
895 struct mbstate &s = mbstate;
896
897 while (cmdbuf_ptr < cmdbuf_endp)
898 {
899 uint8_t ch = *cmdbuf_ptr;
900
901 if (s.cnt)
902 {
903 if ((ch & 0xc0) == 0x80)
904 {
905 cmdbuf_ptr++;
906
907 /* continuation */
908 s.reg = (s.reg << 6) | (ch & 0x7f);
909
910 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
911 return s.reg;
912
913 continue;
914 }
915 else
916 {
917 s.cnt = 0;
918 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */
919 }
920 }
921
922 if ((ch & 0xc0) == 0xc0)
923 {
924 cmdbuf_ptr++;
925
926 /* first byte */
927 s.orig = ch; /* for broken encodings */
928 s.reg = ch;
929 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; }
930 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; }
931 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; }
932 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; }
933 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; }
934 }
935 else
936 {
937 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */
938 return ch;
939 }
940 }
941
942 return NOCHAR;
943 }
944
945 /* rxvt_cmd_getc() - Return next input character */
946 /*
947 * Return the next input character after first passing any keyboard input
948 * to the command.
949 */
950 /* INTPROTO */
951 uint32_t
952 rxvt_cmd_getc(pR)
953 {
954 for (;;)
955 {
956 uint32_t c = R->next_char ();
957 if (c != NOCHAR)
958 return c;
959
960 // incomplete sequences should occur rarely, still, a better solution
961 // would be preferred. either setjmp/longjmp or better design.
962 fcntl (R->cmd_fd, F_SETFL, 0);
963 R->pty_fill ();
964 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
965 }
966
967 #if 0
968 #define TIMEOUT_USEC 5000
969 fd_set readfds;
970 int quick_timeout, select_res;
971 int want_motion_time, want_keypress_time;
972 struct timeval value;
973 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
974 struct timeval tp;
975 #endif
976
977 for (;;) {
978 /* loop until we can return something */
979
980 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
981 R->tt_write(NULL, 0);
982
983 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
984 if (R->mouse_slip_wheel_speed) {
985 quick_timeout = 1;
986 if (!R->mouse_slip_wheel_delay--
987 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
988 abs(R->mouse_slip_wheel_speed))) {
989 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
990 R->refresh_type |= SMOOTH_REFRESH;
991 R->want_refresh = 1;
992 }
993 }
994 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
995 #ifdef SELECTION_SCROLLING
996 if (R->pending_scroll_selection) {
997 quick_timeout = 1;
998 if (!R->scroll_selection_delay--
999 && rxvt_scr_page(aR_ R->scroll_selection_dir,
1000 R->scroll_selection_lines)) {
1001 rxvt_selection_extend(aR_ R->selection_save_x,
1002 R->selection_save_y, R->selection_save_state);
1003 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
1004 R->refresh_type |= SMOOTH_REFRESH;
1005 R->want_refresh = 1;
1006 }
1007 }
1008 #endif
1009 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1010 if (scrollbar_isUp() || scrollbar_isDn()) {
1011 quick_timeout = 1;
1012 if (!R->scroll_arrow_delay--
1013 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
1014 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
1015 R->refresh_type |= SMOOTH_REFRESH;
1016 R->want_refresh = 1;
1017 }
1018 }
1019 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1020
1021 #ifdef TRANSPARENT
1022 quick_timeout |= R->want_full_refresh;
1023 #endif
1024 #endif
1025 }
1026
1027 void
1028 rxvt_term::pointer_unblank ()
1029 {
1030 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1031 rxvt_recolour_cursor (this);
1032
1033 #ifdef POINTER_BLANK
1034 hidden_pointer = 0;
1035
1036 if (Options & Opt_pointerBlank)
1037 pointer_ev.start (NOW + pointerBlankDelay);
1038 #endif
1039 }
1040
1041 #ifdef POINTER_BLANK
1042 void
1043 rxvt_term::pointer_blank ()
1044 {
1045 pointer_ev.stop ();
1046
1047 if (!(Options & Opt_pointerBlank))
1048 return;
1049
1050 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1051 XFlush (Xdisplay);
1052
1053 hidden_pointer = 1;
1054 }
1055
1056 void
1057 rxvt_term::pointer_cb (time_watcher &w)
1058 {
1059 SET_R (this);
1060
1061 pointer_blank ();
1062 }
1063 #endif
1064
1065 /* INTPROTO */
1066 void
1067 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1068 {
1069 int button_number, key_state = 0;
1070 int x, y;
1071
1072 x = ev->x;
1073 y = ev->y;
1074 rxvt_pixel_position(aR_ &x, &y);
1075
1076 if (R->MEvent.button == AnyButton) {
1077 button_number = 3;
1078 } else {
1079 button_number = R->MEvent.button - Button1;
1080 /* add 0x3D for wheel events, like xterm does */
1081 if (button_number >= 3)
1082 button_number += (64 - 3);
1083 }
1084
1085 if (R->PrivateModes & PrivMode_MouseX10) {
1086 /*
1087 * do not report ButtonRelease
1088 * no state info allowed
1089 */
1090 key_state = 0;
1091 if (button_number == 3)
1092 return;
1093 } else {
1094 /* XTerm mouse reporting needs these values:
1095 * 4 = Shift
1096 * 8 = Meta
1097 * 16 = Control
1098 * plus will add in our own Double-Click reporting
1099 * 32 = Double Click
1100 */
1101 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1102 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1103 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1104 #ifdef MOUSE_REPORT_DOUBLECLICK
1105 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1106 #endif
1107 }
1108
1109 #ifdef DEBUG_MOUSEREPORT
1110 fprintf(stderr, "Mouse [");
1111 if (key_state & 16)
1112 fputc('C', stderr);
1113 if (key_state & 4)
1114 fputc('S', stderr);
1115 if (key_state & 8)
1116 fputc('A', stderr);
1117 if (key_state & 32)
1118 fputc('2', stderr);
1119 fprintf(stderr, "]: <%d>, %d/%d\n",
1120 button_number,
1121 x + 1,
1122 y + 1);
1123 #else
1124 R->tt_printf("\033[M%c%c%c",
1125 (32 + button_number + key_state),
1126 (32 + x + 1),
1127 (32 + y + 1));
1128 #endif
1129 }
1130
1131 #ifdef USING_W11LIB
1132 /* EXTPROTO */
1133 void
1134 rxvt_W11_process_x_event(XEvent *ev)
1135 {
1136 rxvt_t *r = rxvt_get_r();
1137
1138 rxvt_process_x_event(aR_ ev);
1139 }
1140 #endif
1141
1142 /*{{{ process an X event */
1143 /* INTPROTO */
1144 void
1145 rxvt_process_x_event(pR_ XEvent *ev)
1146 {
1147 int i, want_timeout;
1148 Window unused_root, unused_child;
1149 int unused_root_x, unused_root_y;
1150 unsigned int unused_mask;
1151
1152 #ifdef DEBUG_X
1153 const char *const eventnames[] =
1154 { /* mason - this matches my system */
1155 "",
1156 "",
1157 "KeyPress",
1158 "KeyRelease",
1159 "ButtonPress",
1160 "ButtonRelease",
1161 "MotionNotify",
1162 "EnterNotify",
1163 "LeaveNotify",
1164 "FocusIn",
1165 "FocusOut",
1166 "KeymapNotify",
1167 "Expose",
1168 "GraphicsExpose",
1169 "NoExpose",
1170 "VisibilityNotify",
1171 "CreateNotify",
1172 "DestroyNotify",
1173 "UnmapNotify",
1174 "MapNotify",
1175 "MapRequest",
1176 "ReparentNotify",
1177 "ConfigureNotify",
1178 "ConfigureRequest",
1179 "GravityNotify",
1180 "ResizeRequest",
1181 "CirculateNotify",
1182 "CirculateRequest",
1183 "PropertyNotify",
1184 "SelectionClear",
1185 "SelectionRequest",
1186 "SelectionNotify",
1187 "ColormapNotify",
1188 "ClientMessage",
1189 "MappingNotify"
1190 };
1191 #endif
1192
1193 #ifdef DEBUG_X
1194 struct timeval tp;
1195 struct tm *ltt;
1196 (void)gettimeofday(&tp, NULL);
1197 ltt = localtime(&(tp.tv_sec));
1198 D_X((stderr, "Event: %-16s %-7s %08lx (%4d-%02d-%02d %02d:%02d:%02d.%.6ld) %s %lu", eventnames[ev->type], (ev->xany.window == R->TermWin.parent[0] ? "parent" : (ev->xany.window == R->TermWin.vt ? "vt" : (ev->xany.window == R->scrollBar.win ? "scroll" : (ev->xany.window == R->menuBar.win ? "menubar" : "UNKNOWN")))), (ev->xany.window == R->TermWin.parent[0] ? R->TermWin.parent[0] : (ev->xany.window == R->TermWin.vt ? R->TermWin.vt : (ev->xany.window == R->scrollBar.win ? R->scrollBar.win : (ev->xany.window == R->menuBar.win ? R->menuBar.win : 0)))), ltt->tm_year + 1900, ltt->tm_mon + 1, ltt->tm_mday, ltt->tm_hour, ltt->tm_min, ltt->tm_sec, tp.tv_usec, ev->xany.send_event ? "S" : " ", ev->xany.serial));
1199 #endif
1200
1201 switch (ev->type) {
1202 case KeyPress:
1203 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1204 break;
1205
1206 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1207 case KeyRelease:
1208 {
1209 if (!(ev->xkey.state & ControlMask))
1210 R->mouse_slip_wheel_speed = 0;
1211 else {
1212 KeySym ks;
1213
1214 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1215 if (ks == XK_Control_L || ks == XK_Control_R)
1216 R->mouse_slip_wheel_speed = 0;
1217 }
1218 break;
1219 }
1220 #endif
1221
1222 case ButtonPress:
1223 rxvt_button_press(aR_ (XButtonEvent *)ev);
1224 break;
1225
1226 case ButtonRelease:
1227 rxvt_button_release(aR_ (XButtonEvent *)ev);
1228 break;
1229
1230 case ClientMessage:
1231 if (ev->xclient.format == 32
1232 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1233 R->destroy ();
1234 #ifdef OFFIX_DND
1235 /* OffiX Dnd (drag 'n' drop) protocol */
1236 else if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1237 && (ev->xclient.data.l[0] == DndFile
1238 || ev->xclient.data.l[0] == DndDir
1239 || ev->xclient.data.l[0] == DndLink)) {
1240 /* Get Dnd data */
1241 Atom ActualType;
1242 int ActualFormat;
1243 unsigned char *data;
1244 unsigned long Size, RemainingBytes;
1245
1246 XGetWindowProperty(R->Xdisplay, Xroot,
1247 R->xa[XA_DNDSELECTION],
1248 0L, 1000000L,
1249 False, AnyPropertyType,
1250 &ActualType, &ActualFormat,
1251 &Size, &RemainingBytes,
1252 &data);
1253 XChangeProperty(R->Xdisplay, Xroot,
1254 XA_CUT_BUFFER0, XA_STRING,
1255 8, PropModeReplace,
1256 data, STRLEN(data));
1257 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1258 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1259 }
1260 #endif /* OFFIX_DND */
1261 break;
1262
1263 case MappingNotify:
1264 XRefreshKeyboardMapping(&(ev->xmapping));
1265 break;
1266
1267 /*
1268 * XXX: this is not the _current_ arrangement
1269 * Here's my conclusion:
1270 * If the window is completely unobscured, use bitblt's
1271 * to scroll. Even then, they're only used when doing partial
1272 * screen scrolling. When partially obscured, we have to fill
1273 * in the GraphicsExpose parts, which means that after each refresh,
1274 * we need to wait for the graphics expose or Noexpose events,
1275 * which ought to make things real slow!
1276 */
1277 case VisibilityNotify:
1278 switch (ev->xvisibility.state)
1279 {
1280 case VisibilityUnobscured:
1281 R->refresh_type = FAST_REFRESH;
1282 break;
1283 case VisibilityPartiallyObscured:
1284 R->refresh_type = SLOW_REFRESH;
1285 break;
1286 default:
1287 R->refresh_type = NO_REFRESH;
1288 break;
1289 }
1290 break;
1291
1292 case FocusIn:
1293 if (!R->TermWin.focus) {
1294 R->TermWin.focus = 1;
1295 R->want_refresh = 1;
1296 #ifdef USE_XIM
1297 if (R->Input_Context != NULL)
1298 XSetICFocus(R->Input_Context);
1299 #endif
1300 #ifdef CURSOR_BLINK
1301 if (R->Options & Opt_cursorBlink)
1302 R->blink_ev.start (NOW + BLINK_INTERVAL);
1303 #endif
1304 }
1305 break;
1306
1307 case FocusOut:
1308 if (R->TermWin.focus) {
1309 R->TermWin.focus = 0;
1310 R->want_refresh = 1;
1311 #ifdef USE_XIM
1312 if (R->Input_Context != NULL)
1313 XUnsetICFocus(R->Input_Context);
1314 #endif
1315 #ifdef CURSOR_BLINK
1316 if (R->Options & Opt_cursorBlink)
1317 R->blink_ev.stop ();
1318 R->hidden_cursor = 0;
1319 #endif
1320 }
1321 break;
1322
1323 case ConfigureNotify:
1324 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1325 int height, width;
1326
1327 do { /* Wrap lots of configures into one */
1328 width = ev->xconfigure.width;
1329 height = ev->xconfigure.height;
1330 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1331 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1332 ConfigureNotify, ev));
1333 if (R->szHint.width != width || R->szHint.height != height) {
1334 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1335 rxvt_resize_all_windows(aR_ (unsigned int)width,
1336 (unsigned int)height, 1);
1337 }
1338 #ifdef DEBUG_SIZE
1339 else {
1340 D_SIZE((stderr, "Size: Not resizing"));
1341 }
1342 #endif
1343 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1344 if (R->Options & Opt_transparent) {
1345 rxvt_check_our_parents(aR);
1346 if (R->am_transparent)
1347 R->want_full_refresh = 1;
1348 }
1349 #endif
1350 }
1351 break;
1352
1353 case SelectionClear:
1354 rxvt_selection_clear(aR);
1355 break;
1356
1357 case SelectionNotify:
1358 if (R->selection_wait == Sel_normal)
1359 rxvt_selection_paste(aR_ ev->xselection.requestor,
1360 ev->xselection.property, True);
1361 break;
1362
1363 case SelectionRequest:
1364 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1365 break;
1366
1367 case UnmapNotify:
1368 R->TermWin.mapped = 0;
1369 break;
1370
1371 case MapNotify:
1372 R->TermWin.mapped = 1;
1373 break;
1374
1375 case PropertyNotify:
1376 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1377 if (ev->xproperty.state == PropertyNewValue)
1378 rxvt_selection_property(aR_ ev->xproperty.window,
1379 ev->xproperty.atom);
1380 break;
1381 }
1382 #ifdef TRANSPARENT
1383 /*
1384 * if user used some Esetroot compatible prog to set the root bg,
1385 * use the property to determine the pixmap. We use it later on.
1386 */
1387 if (R->xa[XA_XROOTPMAPID] == 0)
1388 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1389 "_XROOTPMAP_ID", False);
1390 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1391 break;
1392 /* FALLTHROUGH */
1393 case ReparentNotify:
1394 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1395 if (R->am_transparent)
1396 R->want_full_refresh = 1;
1397 }
1398 #endif /* TRANSPARENT */
1399 break;
1400
1401 case GraphicsExpose:
1402 case Expose:
1403 if (ev->xany.window == R->TermWin.vt) {
1404 #ifdef NO_SLOW_LINK_SUPPORT
1405 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1406 ev->xexpose.width, ev->xexpose.height, False);
1407 #else
1408 // don't understand this, so commented it out
1409 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1410 ev->xexpose.width, ev->xexpose.height, False);
1411 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1412 // ev->xexpose.width, R->TermWin.height, False);
1413 #endif
1414 R->want_refresh = 1;
1415 } else {
1416 XEvent unused_xevent;
1417
1418 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1419 Expose,
1420 &unused_xevent)) ;
1421 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1422 GraphicsExpose,
1423 &unused_xevent)) ;
1424 if (isScrollbarWindow(ev->xany.window)) {
1425 scrollbar_setIdle();
1426 rxvt_scrollbar_show(aR_ 0);
1427 }
1428 #ifdef MENUBAR
1429 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1430 rxvt_menubar_expose(aR);
1431 #endif
1432 #ifdef RXVT_GRAPHICS
1433 rxvt_Gr_expose(aR_ ev->xany.window);
1434 #endif
1435 }
1436 break;
1437
1438 case MotionNotify:
1439 #ifdef POINTER_BLANK
1440 if (R->hidden_pointer)
1441 R->pointer_unblank ();
1442 #endif
1443 #if MENUBAR
1444 if (isMenuBarWindow(ev->xany.window)) {
1445 rxvt_menubar_control(aR_ &(ev->xbutton));
1446 break;
1447 }
1448 #endif
1449 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1450 break;
1451
1452 if (ev->xany.window == R->TermWin.vt) {
1453 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1454 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1455 MotionNotify, ev)) ;
1456 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1457 &unused_root, &unused_child,
1458 &unused_root_x, &unused_root_y,
1459 &(ev->xbutton.x), &(ev->xbutton.y),
1460 &unused_mask);
1461 #ifdef MOUSE_THRESHOLD
1462 /* deal with a `jumpy' mouse */
1463 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1464 #endif
1465 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1466 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1467 #ifdef SELECTION_SCROLLING
1468 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1469 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1470 int dist;
1471
1472 R->pending_scroll_selection=1;
1473
1474 /* don't clobber the current delay if we are
1475 * already in the middle of scrolling.
1476 */
1477 if (R->scroll_selection_delay<=0)
1478 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1479
1480 /* save the event params so we can highlight
1481 * the selection in the pending-scroll loop
1482 */
1483 R->selection_save_x=ev->xbutton.x;
1484 R->selection_save_y=ev->xbutton.y;
1485 R->selection_save_state=
1486 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1487
1488 /* calc number of lines to scroll */
1489 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1490 R->scroll_selection_dir = UP;
1491 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1492 }
1493 else {
1494 R->scroll_selection_dir = DN;
1495 dist = ev->xbutton.y -
1496 (R->TermWin.int_bwidth + R->TermWin.height);
1497 }
1498 R->scroll_selection_lines=(Pixel2Height(dist)/
1499 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1500 MIN_IT(R->scroll_selection_lines,
1501 SELECTION_SCROLL_MAX_LINES);
1502 }
1503 else {
1504 /* we are within the text window, so we
1505 * shouldn't be scrolling
1506 */
1507 R->pending_scroll_selection = 0;
1508 }
1509 #endif
1510 #ifdef MOUSE_THRESHOLD
1511 }
1512 #endif
1513 }
1514 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1515 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1516 MotionNotify, ev)) ;
1517 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1518 &unused_root, &unused_child,
1519 &unused_root_x, &unused_root_y,
1520 &(ev->xbutton.x), &(ev->xbutton.y),
1521 &unused_mask);
1522 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1523 scrollbar_size());
1524 rxvt_scr_refresh(aR_ R->refresh_type);
1525 R->refresh_limit = 0;
1526 rxvt_scrollbar_show(aR_ 1);
1527 }
1528 break;
1529 }
1530 }
1531
1532 /* INTPROTO */
1533 void
1534 rxvt_button_press(pR_ XButtonEvent *ev)
1535 {
1536 int reportmode = 0, clickintime;
1537
1538 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1539 if (!R->bypass_keystate)
1540 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1541 /*
1542 * VT window processing of button press
1543 */
1544 if (ev->window == R->TermWin.vt)
1545 {
1546 #if RXVT_GRAPHICS
1547 if (ev->subwindow != None)
1548 rxvt_Gr_ButtonPress(ev->x, ev->y);
1549 else
1550 #endif
1551 {
1552 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1553 if (reportmode)
1554 {
1555 /* mouse report from vt window */
1556 /* save the xbutton state (for ButtonRelease) */
1557 R->MEvent.state = ev->state;
1558 #ifdef MOUSE_REPORT_DOUBLECLICK
1559 if (ev->button == R->MEvent.button && clickintime)
1560 {
1561 /* same button, within alloted time */
1562 R->MEvent.clicks++;
1563 if (R->MEvent.clicks > 1)
1564 {
1565 /* only report double clicks */
1566 R->MEvent.clicks = 2;
1567 rxvt_mouse_report(aR_ ev);
1568
1569 /* don't report the release */
1570 R->MEvent.clicks = 0;
1571 R->MEvent.button = AnyButton;
1572 }
1573 }
1574 else
1575 {
1576 /* different button, or time expired */
1577 R->MEvent.clicks = 1;
1578 R->MEvent.button = ev->button;
1579 rxvt_mouse_report(aR_ ev);
1580 }
1581 #else
1582 R->MEvent.button = ev->button;
1583 rxvt_mouse_report(aR_ ev);
1584 #endif /* MOUSE_REPORT_DOUBLECLICK */
1585 }
1586 else
1587 {
1588 if (ev->button != R->MEvent.button)
1589 R->MEvent.clicks = 0;
1590 switch (ev->button)
1591 {
1592 case Button1:
1593 if (R->MEvent.button == Button1 && clickintime)
1594 R->MEvent.clicks++;
1595 else
1596 R->MEvent.clicks = 1;
1597 rxvt_selection_click(aR_ R->MEvent.clicks, ev->x, ev->y);
1598 R->MEvent.button = Button1;
1599 break;
1600
1601 case Button3:
1602 if (R->MEvent.button == Button3 && clickintime)
1603 rxvt_selection_rotate(aR_ ev->x, ev->y);
1604 else
1605 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1606 R->MEvent.button = Button3;
1607 break;
1608 }
1609 }
1610 R->MEvent.time = ev->time;
1611 return;
1612 }
1613 }
1614
1615 /*
1616 * Scrollbar window processing of button press
1617 */
1618 if (isScrollbarWindow(ev->window))
1619 {
1620 scrollbar_setIdle();
1621 /*
1622 * Rxvt-style scrollbar:
1623 * move up if mouse is above slider
1624 * move dn if mouse is below slider
1625 *
1626 * XTerm-style scrollbar:
1627 * Move display proportional to pointer location
1628 * pointer near top -> scroll one line
1629 * pointer near bot -> scroll full page
1630 */
1631 #ifndef NO_SCROLLBAR_REPORT
1632 if (reportmode) {
1633 /*
1634 * Mouse report disabled scrollbar:
1635 * arrow buttons - send up/down
1636 * click on scrollbar - send pageup/down
1637 */
1638 if ((R->scrollBar.style == R_SB_NEXT
1639 && scrollbarnext_upButton(ev->y))
1640 || (R->scrollBar.style == R_SB_RXVT
1641 && scrollbarrxvt_upButton(ev->y)))
1642 R->tt_printf("\033[A");
1643 else if ((R->scrollBar.style == R_SB_NEXT
1644 && scrollbarnext_dnButton(ev->y))
1645 || (R->scrollBar.style == R_SB_RXVT
1646 && scrollbarrxvt_dnButton(ev->y)))
1647 R->tt_printf("\033[B");
1648 else
1649 switch (ev->button) {
1650 case Button2:
1651 R->tt_printf("\014");
1652 break;
1653 case Button1:
1654 R->tt_printf("\033[6~");
1655 break;
1656 case Button3:
1657 R->tt_printf("\033[5~");
1658 break;
1659 }
1660 }
1661 else
1662 #endif /* NO_SCROLLBAR_REPORT */
1663 {
1664 char upordown = 0;
1665
1666 if (R->scrollBar.style == R_SB_NEXT) {
1667 if (scrollbarnext_upButton(ev->y))
1668 upordown = -1; /* up */
1669 else if (scrollbarnext_dnButton(ev->y))
1670 upordown = 1; /* down */
1671 } else if (R->scrollBar.style == R_SB_RXVT) {
1672 if (scrollbarrxvt_upButton(ev->y))
1673 upordown = -1; /* up */
1674 else if (scrollbarrxvt_dnButton(ev->y))
1675 upordown = 1; /* down */
1676 }
1677 if (upordown) {
1678 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1679 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1680 #endif
1681 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1682 if (upordown < 0)
1683 scrollbar_setUp();
1684 else
1685 scrollbar_setDn();
1686 }
1687 } else
1688 switch (ev->button) {
1689 case Button2:
1690 switch (R->scrollbar_align) {
1691 case R_SB_ALIGN_TOP:
1692 R->csrO = 0;
1693 break;
1694 case R_SB_ALIGN_CENTRE:
1695 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1696 break;
1697 case R_SB_ALIGN_BOTTOM:
1698 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1699 break;
1700 }
1701 if (R->scrollBar.style == R_SB_XTERM
1702 || scrollbar_above_slider(ev->y)
1703 || scrollbar_below_slider(ev->y))
1704 rxvt_scr_move_to(aR_
1705 scrollbar_position(ev->y) - R->csrO,
1706 scrollbar_size());
1707 scrollbar_setMotion();
1708 break;
1709
1710 case Button1:
1711 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1712 R->csrO = ev->y - R->scrollBar.top;
1713 /* FALLTHROUGH */
1714
1715 case Button3:
1716 if (R->scrollBar.style != R_SB_XTERM) {
1717 if (scrollbar_above_slider(ev->y))
1718 # ifdef RXVT_SCROLL_FULL
1719 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1720 # else
1721 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1722 # endif
1723 else if (scrollbar_below_slider(ev->y))
1724 # ifdef RXVT_SCROLL_FULL
1725 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1726 # else
1727 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1728 # endif
1729 else
1730 scrollbar_setMotion();
1731 } else {
1732 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1733 (R->TermWin.nrow
1734 * scrollbar_position(ev->y)
1735 / scrollbar_size()));
1736 }
1737 break;
1738 }
1739 }
1740 return;
1741 }
1742 #if MENUBAR
1743 /*
1744 * Menubar window processing of button press
1745 */
1746 if (isMenuBarWindow(ev->window))
1747 rxvt_menubar_control(aR_ ev);
1748 #endif
1749 }
1750
1751 /* INTPROTO */
1752 void
1753 rxvt_button_release(pR_ XButtonEvent *ev)
1754 {
1755 int reportmode = 0;
1756
1757 R->csrO = 0; /* reset csr Offset */
1758 if (!R->bypass_keystate)
1759 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1760
1761 if (scrollbar_isUpDn()) {
1762 scrollbar_setIdle();
1763 rxvt_scrollbar_show(aR_ 0);
1764 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1765 R->refresh_type &= ~SMOOTH_REFRESH;
1766 #endif
1767 }
1768 #ifdef SELECTION_SCROLLING
1769 R->pending_scroll_selection=0;
1770 #endif
1771 if (ev->window == R->TermWin.vt)
1772 {
1773 #ifdef RXVT_GRAPHICS
1774 if (ev->subwindow != None)
1775 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1776 else
1777 #endif
1778 {
1779 if (reportmode)
1780 {
1781 /* mouse report from vt window */
1782 /* don't report release of wheel "buttons" */
1783 if (ev->button >= 4)
1784 return;
1785 #ifdef MOUSE_REPORT_DOUBLECLICK
1786 /* only report the release of 'slow' single clicks */
1787 if (R->MEvent.button != AnyButton
1788 && (ev->button != R->MEvent.button
1789 || (ev->time - R->MEvent.time
1790 > MULTICLICK_TIME / 2)))
1791 {
1792 R->MEvent.clicks = 0;
1793 R->MEvent.button = AnyButton;
1794 rxvt_mouse_report(aR_ ev);
1795 }
1796 #else /* MOUSE_REPORT_DOUBLECLICK */
1797 R->MEvent.button = AnyButton;
1798 rxvt_mouse_report(aR_ ev);
1799 #endif /* MOUSE_REPORT_DOUBLECLICK */
1800 return;
1801 }
1802 /*
1803 * dumb hack to compensate for the failure of click-and-drag
1804 * when overriding mouse reporting
1805 */
1806 if (R->PrivateModes & PrivMode_mouse_report
1807 && R->bypass_keystate
1808 && ev->button == Button1 && R->MEvent.clicks <= 1)
1809 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1810
1811 switch (ev->button) {
1812 case Button1:
1813 case Button3:
1814 rxvt_selection_make(aR_ ev->time);
1815 break;
1816 case Button2:
1817 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1818 break;
1819 #ifdef MOUSE_WHEEL
1820 case Button4:
1821 case Button5:
1822 {
1823 int i, v;
1824
1825 v = (ev->button == Button4) ? UP : DN;
1826 if (ev->state & ShiftMask)
1827 i = 1;
1828 else if ((R->Options & Opt_mouseWheelScrollPage))
1829 i = R->TermWin.nrow - 1;
1830 else
1831 i = 5;
1832 # ifdef MOUSE_SLIP_WHEELING
1833 if (ev->state & ControlMask)
1834 {
1835 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1836 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1837 }
1838 # endif
1839 # ifdef JUMP_MOUSE_WHEEL
1840 rxvt_scr_page(aR_ v, i);
1841 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1842 rxvt_scrollbar_show(aR_ 1);
1843 # else
1844 for (; i--;)
1845 {
1846 rxvt_scr_page(aR_ v, 1);
1847 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1848 rxvt_scrollbar_show(aR_ 1);
1849 }
1850 # endif
1851 }
1852 break;
1853 #endif
1854 }
1855 }
1856 }
1857 #ifdef MENUBAR
1858 else if (isMenuBarWindow(ev->window))
1859 rxvt_menubar_control(aR_ ev);
1860 #endif
1861 }
1862
1863
1864 #ifdef TRANSPARENT
1865 /*
1866 * Check our parents are still who we think they are.
1867 * Do transparency updates if required
1868 */
1869 /* EXTPROTO */
1870 int
1871 rxvt_check_our_parents(pR)
1872 {
1873 int i, pchanged, aformat, have_pixmap, rootdepth;
1874 unsigned long nitems, bytes_after;
1875 Atom atype;
1876 unsigned char *prop = NULL;
1877 Window root, oldp, *list;
1878 Pixmap rootpixmap = None;
1879 XWindowAttributes wattr, wrootattr;
1880
1881 pchanged = 0;
1882
1883 if (!(R->Options & Opt_transparent))
1884 return pchanged; /* Don't try any more */
1885
1886 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1887 rootdepth = wrootattr.depth;
1888
1889 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1890 if (rootdepth != wattr.depth) {
1891 if (R->am_transparent) {
1892 pchanged = 1;
1893 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1894 R->PixColors[Color_bg]);
1895 R->am_transparent = R->am_pixmap_trans = 0;
1896 }
1897 return pchanged; /* Don't try any more */
1898 }
1899
1900 /* Get all X ops out of the queue so that our information is up-to-date. */
1901 XSync(R->Xdisplay, False);
1902
1903 /*
1904 * Make the frame window set by the window manager have
1905 * the root background. Some window managers put multiple nested frame
1906 * windows for each client, so we have to take care about that.
1907 */
1908 i = (R->xa[XA_XROOTPMAPID] != 0
1909 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1910 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1911 &nitems, &bytes_after, &prop) == Success));
1912 if (!i || prop == NULL)
1913 have_pixmap = 0;
1914 else {
1915 have_pixmap = 1;
1916 rootpixmap = *((Pixmap *)prop);
1917 XFree(prop);
1918 }
1919 if (have_pixmap) {
1920 /*
1921 * Copy Xroot pixmap transparency
1922 */
1923 int sx, sy, nx, ny;
1924 unsigned int nw, nh;
1925 Window cr;
1926 XImage *image;
1927 GC gc;
1928 XGCValues gcvalue;
1929
1930 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1931 0, 0, &sx, &sy, &cr);
1932 nw = (unsigned int)R->szHint.width;
1933 nh = (unsigned int)R->szHint.height;
1934 nx = ny = 0;
1935 if (sx < 0) {
1936 nw += sx;
1937 nx = -sx;
1938 sx = 0;
1939 }
1940 if (sy < 0) {
1941 nh += sy;
1942 ny = -sy;
1943 sy = 0;
1944 }
1945 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1946 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1947 R->allowedxerror = -1;
1948 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1949 ZPixmap);
1950 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1951 /* XXX: may need a delay here? */
1952 R->allowedxerror = 0;
1953 if (image == NULL) {
1954 if (R->am_transparent && R->am_pixmap_trans) {
1955 pchanged = 1;
1956 if (R->TermWin.pixmap != None) {
1957 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1958 R->TermWin.pixmap = None;
1959 }
1960 }
1961 R->am_pixmap_trans = 0;
1962 } else {
1963 if (R->TermWin.pixmap != None)
1964 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1965 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1966 (unsigned int)R->szHint.width,
1967 (unsigned int)R->szHint.height,
1968 (unsigned int)image->depth);
1969 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1970 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1971 nx, ny, (unsigned int)image->width,
1972 (unsigned int)image->height);
1973 XFreeGC(R->Xdisplay, gc);
1974 XDestroyImage(image);
1975 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
1976 R->TermWin.pixmap);
1977 if (!R->am_transparent || !R->am_pixmap_trans)
1978 pchanged = 1;
1979 R->am_transparent = R->am_pixmap_trans = 1;
1980 }
1981 }
1982 if (!R->am_pixmap_trans) {
1983 unsigned int n;
1984 /*
1985 * InheritPixmap transparency
1986 */
1987 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
1988 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
1989 i++) {
1990 oldp = R->TermWin.parent[i];
1991 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
1992 &R->TermWin.parent[i], &list, &n);
1993 XFree(list);
1994 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
1995 if (R->TermWin.parent[i] == Xroot) {
1996 if (oldp != None)
1997 pchanged = 1;
1998 break;
1999 }
2000 if (oldp != R->TermWin.parent[i])
2001 pchanged = 1;
2002 }
2003 n = 0;
2004 if (pchanged) {
2005 for (; n < (unsigned int)i; n++) {
2006 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2007 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2008 if (wattr.depth != rootdepth || wattr.class == InputOnly) {
2009 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2010 break;
2011 }
2012 }
2013 }
2014 if (n > (int)(sizeof(R->TermWin.parent)
2015 / sizeof(R->TermWin.parent[0]))) {
2016 D_X((stderr, "InheritPixmap Turning off"));
2017 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2018 R->PixColors[Color_fg]);
2019 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2020 R->PixColors[Color_bg]);
2021 R->am_transparent = 0;
2022 /* XXX: also turn off Opt_transparent? */
2023 } else {
2024 /* wait (an arbitrary period) for the WM to do its thing
2025 * needed for fvwm2.2.2 (and before?) */
2026 # ifdef HAVE_NANOSLEEP
2027 struct timespec rqt;
2028
2029 rqt.tv_sec = 1;
2030 rqt.tv_nsec = 0;
2031 nanosleep(&rqt, NULL);
2032 # else
2033 sleep(1);
2034 # endif
2035 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2036 for (n = 0; n < (unsigned int)i; n++)
2037 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2038 ParentRelative);
2039 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2040 ParentRelative);
2041 R->am_transparent = 1;
2042 }
2043 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2044 R->TermWin.parent[i] = None;
2045 }
2046 return pchanged;
2047 }
2048 #endif
2049
2050 /*}}} */
2051
2052 /*{{{ print pipe */
2053 /*----------------------------------------------------------------------*/
2054 #ifdef PRINTPIPE
2055 /* EXTPROTO */
2056 FILE *
2057 rxvt_popen_printer(pR)
2058 {
2059 FILE *stream = popen(R->rs[Rs_print_pipe], "w");
2060
2061 if (stream == NULL)
2062 rxvt_print_error("can't open printer pipe");
2063 return stream;
2064 }
2065
2066 /* EXTPROTO */
2067 int
2068 rxvt_pclose_printer (FILE *stream)
2069 {
2070 fflush (stream);
2071 /* pclose() reported not to work on SunOS 4.1.3 */
2072 # if defined (__sun__) /* TODO: RESOLVE THIS */
2073 /* pclose works provided SIGCHLD handler uses waitpid */
2074 return pclose (stream); /* return fclose (stream); */
2075 # else
2076 return pclose (stream);
2077 # endif
2078 }
2079
2080 /*
2081 * simulate attached vt100 printer
2082 */
2083 /* INTPROTO */
2084 void
2085 rxvt_process_print_pipe(pR)
2086 {
2087 int done;
2088 FILE *fd;
2089
2090 if ((fd = rxvt_popen_printer(aR)) == NULL)
2091 return;
2092
2093 /*
2094 * Send all input to the printer until either ESC[4i or ESC[?4i
2095 * is received.
2096 */
2097 for (done = 0; !done;) {
2098 unsigned char buf[8];
2099 unsigned char ch;
2100 unsigned int i, len;
2101
2102 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2103 if (putc(ch, fd) == EOF)
2104 break; /* done = 1 */
2105 } else {
2106 len = 0;
2107 buf[len++] = ch;
2108
2109 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2110 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2111 buf[len++] = '?';
2112 ch = rxvt_cmd_getc(aR);
2113 }
2114 if ((buf[len++] = ch) == '4') {
2115 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2116 break; /* done = 1 */
2117 }
2118 }
2119 for (i = 0; i < len; i++)
2120 if (putc(buf[i], fd) == EOF) {
2121 done = 1;
2122 break;
2123 }
2124 }
2125 }
2126 rxvt_pclose_printer(fd);
2127 }
2128 #endif /* PRINTPIPE */
2129 /*}}} */
2130
2131 /* *INDENT-OFF* */
2132 enum {
2133 C1_40 = 0x40,
2134 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2135 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2136 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2137 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2138 };
2139 /* *INDENT-ON* */
2140
2141 /*{{{ process non-printing single characters */
2142 /* INTPROTO */
2143 void
2144 rxvt_process_nonprinting(pR_ unsigned char ch)
2145 {
2146 switch (ch) {
2147 case C0_ENQ: /* terminal Status */
2148 if (R->rs[Rs_answerbackstring])
2149 R->tt_write(
2150 (const unsigned char *)R->rs[Rs_answerbackstring],
2151 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2152 else
2153 R->tt_write((unsigned char *)VT100_ANS,
2154 (unsigned int)STRLEN(VT100_ANS));
2155 break;
2156 case C0_BEL: /* bell */
2157 rxvt_scr_bell(aR);
2158 break;
2159 case C0_BS: /* backspace */
2160 rxvt_scr_backspace(aR);
2161 break;
2162 case C0_HT: /* tab */
2163 rxvt_scr_tab(aR_ 1);
2164 break;
2165 case C0_CR: /* carriage return */
2166 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2167 break;
2168 case C0_VT: /* vertical tab, form feed */
2169 case C0_FF:
2170 case C0_LF: /* line feed */
2171 rxvt_scr_index(aR_ UP);
2172 break;
2173 case C0_SO: /* shift out - acs */
2174 rxvt_scr_charset_choose(aR_ 1);
2175 break;
2176 case C0_SI: /* shift in - acs */
2177 rxvt_scr_charset_choose(aR_ 0);
2178 break;
2179 }
2180 }
2181 /*}}} */
2182
2183
2184 /*{{{ process VT52 escape sequences */
2185 /* INTPROTO */
2186 void
2187 rxvt_process_escape_vt52(pR_ unsigned char ch)
2188 {
2189 int row, col;
2190
2191 switch (ch) {
2192 case 'A': /* cursor up */
2193 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2194 break;
2195 case 'B': /* cursor down */
2196 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2197 break;
2198 case 'C': /* cursor right */
2199 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2200 break;
2201 case 'D': /* cursor left */
2202 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2203 break;
2204 case 'H': /* cursor home */
2205 rxvt_scr_gotorc(aR_ 0, 0, 0);
2206 break;
2207 case 'I': /* cursor up and scroll down if needed */
2208 rxvt_scr_index(aR_ DN);
2209 break;
2210 case 'J': /* erase to end of screen */
2211 rxvt_scr_erase_screen(aR_ 0);
2212 break;
2213 case 'K': /* erase to end of line */
2214 rxvt_scr_erase_line(aR_ 0);
2215 break;
2216 case 'Y': /* move to specified row and col */
2217 /* full command is 'ESC Y row col' where row and col
2218 * are encoded by adding 32 and sending the ascii
2219 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2220 * etc. */
2221 row = rxvt_cmd_getc(aR) - ' ';
2222 col = rxvt_cmd_getc(aR) - ' ';
2223 rxvt_scr_gotorc(aR_ row, col, 0);
2224 break;
2225 case 'Z': /* identify the terminal type */
2226 R->tt_printf("\033/Z"); /* I am a VT100 emulating a VT52 */
2227 break;
2228 case '<': /* turn off VT52 mode */
2229 PrivMode(0, PrivMode_vt52);
2230 break;
2231 case 'F': /* use special graphics character set */
2232 case 'G': /* use regular character set */
2233 /* unimplemented */
2234 break;
2235 case '=': /* use alternate keypad mode */
2236 case '>': /* use regular keypad mode */
2237 /* unimplemented */
2238 break;
2239 }
2240 }
2241 /*}}} */
2242
2243
2244 /*{{{ process escape sequences */
2245 /* INTPROTO */
2246 void
2247 rxvt_process_escape_seq(pR)
2248 {
2249 unsigned char ch = rxvt_cmd_getc(aR);
2250
2251 if (R->PrivateModes & PrivMode_vt52) {
2252 rxvt_process_escape_vt52(aR_ ch);
2253 return;
2254 }
2255
2256 switch (ch) {
2257 /* case 1: do_tek_mode (); break; */
2258 case '#':
2259 if (rxvt_cmd_getc(aR) == '8')
2260 rxvt_scr_E(aR);
2261 break;
2262 case '(':
2263 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2264 break;
2265 case ')':
2266 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2267 break;
2268 case '*':
2269 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2270 break;
2271 case '+':
2272 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2273 break;
2274 #ifdef MULTICHAR_SET
2275 case '$':
2276 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2277 break;
2278 #endif
2279 #ifndef NO_FRILLS
2280 case '6':
2281 rxvt_scr_backindex(aR);
2282 break;
2283 #endif
2284 case '7':
2285 rxvt_scr_cursor(aR_ SAVE);
2286 break;
2287 case '8':
2288 rxvt_scr_cursor(aR_ RESTORE);
2289 break;
2290 #ifndef NO_FRILLS
2291 case '9':
2292 rxvt_scr_forwardindex(aR);
2293 break;
2294 #endif
2295 case '=':
2296 case '>':
2297 PrivMode((ch == '='), PrivMode_aplKP);
2298 break;
2299
2300 case C1_40:
2301 rxvt_cmd_getc(aR);
2302 break;
2303 case C1_44:
2304 rxvt_scr_index(aR_ UP);
2305 break;
2306
2307 /* 8.3.87: NEXT LINE */
2308 case C1_NEL: /* ESC E */
2309 {
2310 uint32_t nlcr[] = { '\n', '\r' };
2311 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2312 }
2313 break;
2314
2315 /* kidnapped escape sequence: Should be 8.3.48 */
2316 case C1_ESA: /* ESC G */
2317 rxvt_process_graphics(aR);
2318 break;
2319
2320 /* 8.3.63: CHARACTER TABULATION SET */
2321 case C1_HTS: /* ESC H */
2322 rxvt_scr_set_tab(aR_ 1);
2323 break;
2324
2325 /* 8.3.105: REVERSE LINE FEED */
2326 case C1_RI: /* ESC M */
2327 rxvt_scr_index(aR_ DN);
2328 break;
2329
2330 /* 8.3.142: SINGLE-SHIFT TWO */
2331 /*case C1_SS2: scr_single_shift (2); break; */
2332
2333 /* 8.3.143: SINGLE-SHIFT THREE */
2334 /*case C1_SS3: scr_single_shift (3); break; */
2335
2336 /* 8.3.27: DEVICE CONTROL STRING */
2337 case C1_DCS: /* ESC P */
2338 rxvt_process_dcs_seq(aR);
2339 break;
2340
2341 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2342 case C1_SCI: /* ESC Z */
2343 R->tt_write((const unsigned char *)ESCZ_ANSWER,
2344 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2345 break; /* steal obsolete ESC [ c */
2346
2347 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2348 case C1_CSI: /* ESC [ */
2349 rxvt_process_csi_seq(aR);
2350 break;
2351
2352 /* 8.3.90: OPERATING SYSTEM COMMAND */
2353 case C1_OSC: /* ESC ] */
2354 rxvt_process_osc_seq(aR);
2355 break;
2356
2357 /* 8.3.106: RESET TO INITIAL STATE */
2358 case 'c':
2359 rxvt_scr_poweron(aR);
2360 rxvt_scrollbar_show(aR_ 1);
2361 break;
2362
2363 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2364 case 'n':
2365 rxvt_scr_charset_choose(aR_ 2);
2366 break;
2367
2368 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2369 case 'o':
2370 rxvt_scr_charset_choose(aR_ 3);
2371 break;
2372 }
2373 }
2374 /*}}} */
2375
2376 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2377 /* *INDENT-OFF* */
2378 enum {
2379 CSI_ICH = 0x40,
2380 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2381 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2382 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2383 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2384 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2385 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2386 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2387 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2388 };
2389
2390 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2391 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2392 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2393 #define get_byte_array_bit(array, bit) \
2394 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2395
2396 const unsigned char csi_defaults[] = {
2397 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2398 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2399 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2400 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2401 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2402 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2403 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2404 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2405 };
2406 /* *INDENT-ON* */
2407
2408 /* INTPROTO */
2409 void
2410 rxvt_process_csi_seq(pR)
2411 {
2412 unsigned char ch, priv, i;
2413 unsigned int nargs, p;
2414 int n, ndef;
2415 int arg[ESC_ARGS];
2416
2417 for (nargs = ESC_ARGS; nargs > 0;)
2418 arg[--nargs] = 0;
2419
2420 priv = 0;
2421 ch = rxvt_cmd_getc(aR);
2422 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2423 priv = ch;
2424 ch = rxvt_cmd_getc(aR);
2425 }
2426 /* read any numerical arguments */
2427 for (n = -1; ch < CSI_ICH; ) {
2428 if (isdigit(ch)) {
2429 if (n < 0)
2430 n = ch - '0';
2431 else
2432 n = n * 10 + ch - '0';
2433 } else if (ch == ';') {
2434 if (nargs < ESC_ARGS)
2435 arg[nargs++] = n;
2436 n = -1;
2437 } else if (ch == '\b') {
2438 rxvt_scr_backspace(aR);
2439 } else if (ch == C0_ESC) {
2440 rxvt_process_escape_seq(aR);
2441 return;
2442 } else if (ch < ' ') {
2443 rxvt_process_nonprinting(aR_ ch);
2444 }
2445 ch = rxvt_cmd_getc(aR);
2446 }
2447
2448 if (ch > CSI_7F)
2449 return;
2450
2451 if (nargs < ESC_ARGS)
2452 arg[nargs++] = n;
2453
2454 i = ch - CSI_ICH;
2455 ndef = get_byte_array_bit(csi_defaults, i);
2456 for (p = 0; p < nargs; p++)
2457 if (arg[p] == -1)
2458 arg[p] = ndef;
2459
2460 #ifdef DEBUG_CMD
2461 fprintf(stderr, "CSI ");
2462 for (p = 0; p < nargs; p++)
2463 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2464 fprintf(stderr, "%c\n", ch);
2465 #endif
2466
2467 /*
2468 * private mode handling
2469 */
2470 if (priv) {
2471 switch (priv) {
2472 case '>':
2473 if (ch == CSI_DA) /* secondary device attributes */
2474 R->tt_printf("\033[>%d;%-.8s;0c", 'R', VSTRING);
2475 break;
2476 case '?':
2477 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2478 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2479 break;
2480 }
2481 return;
2482 }
2483
2484 switch (ch) {
2485 /*
2486 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2487 */
2488 #ifdef PRINTPIPE
2489 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2490 switch (arg[0]) {
2491 case 0: /* initiate transfer to primary aux device */
2492 rxvt_scr_printscreen(aR_ 0);
2493 break;
2494 case 5: /* start relay to primary aux device */
2495 rxvt_process_print_pipe(aR);
2496 break;
2497 }
2498 break;
2499 #endif
2500
2501 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2502 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2503 arg[0] = -arg[0];
2504 /* FALLTHROUGH */
2505 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2506 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2507 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2508 break;
2509
2510 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2511 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2512 #ifdef ISO6429
2513 arg[0] = -arg[0];
2514 #else /* emulate common DEC VTs */
2515 arg[0] = arg[0] ? -arg[0] : -1;
2516 #endif
2517 /* FALLTHROUGH */
2518 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2519 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2520 #ifdef ISO6429
2521 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2522 #else /* emulate common DEC VTs */
2523 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2524 #endif
2525 break;
2526
2527 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2528 arg[0] = -arg[0];
2529 /* FALLTHROUGH */
2530 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2531 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2532 break;
2533
2534 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2535 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2536 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2537 break;
2538
2539 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2540 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2541 break;
2542
2543 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2544 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2545 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2546 break;
2547
2548 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2549 arg[0] = -arg[0];
2550 /* FALLTHROUGH */
2551 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2552 rxvt_scr_tab(aR_ arg[0]);
2553 break;
2554
2555 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2556 rxvt_scr_erase_screen(aR_ arg[0]);
2557 break;
2558
2559 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2560 rxvt_scr_erase_line(aR_ arg[0]);
2561 break;
2562
2563 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2564 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2565 break;
2566
2567 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2568 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2569 break;
2570
2571 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2572 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2573 break;
2574
2575 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2576 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2577 break;
2578
2579 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2580 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2581 break;
2582
2583 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2584 arg[0] = -arg[0];
2585 /* FALLTHROUGH */
2586 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2587 R->scr_scroll_text (R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2588 break;
2589
2590 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2591 R->tt_write((const unsigned char *)VT100_ANS,
2592 (unsigned int)(sizeof(VT100_ANS) - 1));
2593 break;
2594
2595 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2596 rxvt_process_sgr_mode(aR_ nargs, arg);
2597 break;
2598
2599 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2600 switch (arg[0]) {
2601 case 5: /* DSR requested */
2602 R->tt_printf("\033[0n");
2603 break;
2604 case 6: /* CPR requested */
2605 rxvt_scr_report_position(aR);
2606 break;
2607 #if defined (ENABLE_DISPLAY_ANSWER)
2608 case 7: /* unofficial extension */
2609 R->tt_printf("%-.250s\n", R->rs[Rs_display_name]);
2610 break;
2611 #endif
2612 case 8: /* unofficial extension */
2613 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2614 break;
2615 }
2616 break;
2617
2618 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2619 switch (arg[0]) {
2620 case 0: /* char tab stop cleared at active position */
2621 rxvt_scr_set_tab(aR_ 0);
2622 break;
2623 /* case 1: */ /* line tab stop cleared in active line */
2624 /* case 2: */ /* char tab stops cleared in active line */
2625 case 3: /* all char tab stops are cleared */
2626 /* case 4: */ /* all line tab stops are cleared */
2627 case 5: /* all tab stops are cleared */
2628 rxvt_scr_set_tab(aR_ -1);
2629 break;
2630 }
2631 break;
2632
2633 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2634 switch (arg[0]) {
2635 case 0: /* char tab stop set at active position */
2636 rxvt_scr_set_tab(aR_ 1);
2637 break; /* = ESC H */
2638 /* case 1: */ /* line tab stop set at active line */
2639 case 2: /* char tab stop cleared at active position */
2640 rxvt_scr_set_tab(aR_ 0);
2641 break; /* = ESC [ 0 g */
2642 /* case 3: */ /* line tab stop cleared at active line */
2643 /* case 4: */ /* char tab stops cleared at active line */
2644 case 5: /* all char tab stops are cleared */
2645 rxvt_scr_set_tab(aR_ -1);
2646 break; /* = ESC [ 3 g */
2647 /* case 6: */ /* all line tab stops are cleared */
2648 }
2649 break;
2650
2651 case CSI_RM: /* 8.3.107: RESET MODE */
2652 if (arg[0] == 4)
2653 rxvt_scr_insert_mode(aR_ 0);
2654 break;
2655
2656 case CSI_SM: /* 8.3.126: SET MODE */
2657 if (arg[0] == 4)
2658 rxvt_scr_insert_mode(aR_ 1);
2659 break;
2660
2661 /*
2662 * PRIVATE USE beyond this point. All CSI_7? sequences here
2663 */
2664 case CSI_72: /* DECSTBM: set top and bottom margins */
2665 if (nargs == 1)
2666 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2667 else if (nargs == 0 || arg[0] >= arg[1])
2668 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2669 else
2670 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2671 break;
2672
2673 case CSI_73:
2674 rxvt_scr_cursor(aR_ SAVE);
2675 break;
2676 case CSI_75:
2677 rxvt_scr_cursor(aR_ RESTORE);
2678 break;
2679
2680 #ifndef NO_FRILLS
2681 case CSI_74:
2682 rxvt_process_window_ops(aR_ arg, nargs);
2683 break;
2684 #endif
2685
2686 case CSI_78: /* DECREQTPARM */
2687 if (arg[0] == 0 || arg[0] == 1)
2688 R->tt_printf("\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2689 /* FALLTHROUGH */
2690
2691 default:
2692 break;
2693 }
2694 }
2695 /*}}} */
2696
2697 #ifndef NO_FRILLS
2698 /* ARGSUSED */
2699 /* INTPROTO */
2700 void
2701 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2702 {
2703 int x, y;
2704 #if 0
2705 char *s;
2706 #endif
2707 XWindowAttributes wattr;
2708 Window wdummy;
2709
2710 if (nargs == 0)
2711 return;
2712 switch (args[0]) {
2713 /*
2714 * commands
2715 */
2716 case 1: /* deiconify window */
2717 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2718 break;
2719 case 2: /* iconify window */
2720 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2721 DefaultScreen(R->Xdisplay));
2722 break;
2723 case 3: /* set position (pixels) */
2724 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2725 break;
2726 case 4: /* set size (pixels) */
2727 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2728 break;
2729 case 5: /* raise window */
2730 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2731 break;
2732 case 6: /* lower window */
2733 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2734 break;
2735 case 7: /* refresh window */
2736 rxvt_scr_touch(aR_ True);
2737 break;
2738 case 8: /* set size (chars) */
2739 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2740 (unsigned int)(args[1] * R->TermWin.fheight));
2741 break;
2742 default:
2743 if (args[0] >= 24) /* set height (chars) */
2744 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2745 (unsigned int)(args[1] * R->TermWin.fheight));
2746 break;
2747 /*
2748 * reports - some output format copied from XTerm
2749 */
2750 case 11: /* report window state */
2751 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2752 R->tt_printf("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2753 break;
2754 case 13: /* report window position */
2755 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2756 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2757 -wattr.border_width, -wattr.border_width,
2758 &x, &y, &wdummy);
2759 R->tt_printf("\033[3;%d;%dt", x, y);
2760 break;
2761 case 14: /* report window size (pixels) */
2762 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2763 R->tt_printf("\033[4;%d;%dt", wattr.height, wattr.width);
2764 break;
2765 case 18: /* report window size (chars) */
2766 R->tt_printf("\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2767 break;
2768 #if 0 /* XXX: currently disabled due to security concerns */
2769 case 20: /* report icon label */
2770 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2771 R->tt_printf("\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2772 break;
2773 case 21: /* report window title */
2774 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2775 R->tt_printf("\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2776 break;
2777 #endif
2778 }
2779 }
2780 #endif
2781
2782 /*----------------------------------------------------------------------*/
2783 /*
2784 * get input up until STRING TERMINATOR (or BEL)
2785 * ends_how is terminator used. returned input must be free()d
2786 */
2787 /* INTPROTO */
2788 unsigned char *
2789 rxvt_get_to_st(pR_ unsigned char *ends_how)
2790 {
2791 int seen_esc = 0; /* seen escape? */
2792 unsigned int n = 0;
2793 unsigned char *s;
2794 unsigned char ch, string[STRING_MAX];
2795
2796 for (; (ch = rxvt_cmd_getc(aR));) {
2797 if (ch == C0_BEL
2798 || ch == CHAR_ST
2799 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2800 break;
2801 if (ch == C0_ESC) {
2802 seen_esc = 1;
2803 continue;
2804 } else if (ch == '\t')
2805 ch = ' '; /* translate '\t' to space */
2806 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2807 return NULL; /* other control character - exit */
2808 if (n < sizeof(string) - 1)
2809 string[n++] = ch;
2810 seen_esc = 0;
2811 }
2812 string[n++] = '\0';
2813 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2814 return NULL;
2815 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2816 STRNCPY(s, string, n);
2817 return s;
2818 }
2819
2820 /*----------------------------------------------------------------------*/
2821 /*
2822 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2823 */
2824 /* INTPROTO */
2825 void
2826 rxvt_process_dcs_seq(pR)
2827 {
2828 unsigned char eh, *s;
2829 /*
2830 * Not handled yet
2831 */
2832 s = rxvt_get_to_st(aR_ &eh);
2833 if (s)
2834 free(s);
2835 return;
2836 }
2837
2838 /*----------------------------------------------------------------------*/
2839 /*
2840 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2841 */
2842 /* INTPROTO */
2843 void
2844 rxvt_process_osc_seq(pR)
2845 {
2846 unsigned char ch, eh, *s;
2847 int arg;
2848
2849 ch = rxvt_cmd_getc(aR);
2850 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2851 arg = arg * 10 + (ch - '0');
2852
2853 if (ch == ';') {
2854 s = rxvt_get_to_st(aR_ &eh);
2855 if (s) {
2856 /*
2857 * rxvt_menubar_dispatch() violates the constness of the string,
2858 * so do it here
2859 */
2860 if (arg == XTerm_Menu)
2861 #if 0 /* XXX: currently disabled due to security concerns */
2862 rxvt_menubar_dispatch(aR_ (char *)s);
2863 #else
2864 0;
2865 #endif
2866 else
2867 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2868 free(s);
2869 }
2870 }
2871 }
2872 /*
2873 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2874 * 0 = change iconName/title
2875 * 1 = change iconName
2876 * 2 = change title
2877 * 4 = change color
2878 * 12 = change text color
2879 * 13 = change mouse foreground color
2880 * 17 = change highlight character colour
2881 * 18 = change bold character color
2882 * 19 = change underlined character color
2883 * 46 = change logfile (not implemented)
2884 * 50 = change font
2885 *
2886 * rxvt extensions:
2887 * 10 = menu (may change in future)
2888 * 20 = bg pixmap
2889 * 39 = change default fg color
2890 * 49 = change default bg color
2891 * 55 = dump scrollback buffer and all of screen
2892 */
2893 /* EXTPROTO */
2894 void
2895 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2896 {
2897 int changed = 0;
2898 int color;
2899 char *buf, *name;
2900
2901 assert(str != NULL);
2902 switch (op) {
2903 case XTerm_name:
2904 rxvt_set_title(aR_ str);
2905 /* FALLTHROUGH */
2906 case XTerm_iconName:
2907 rxvt_set_iconName(aR_ str);
2908 break;
2909 case XTerm_title:
2910 rxvt_set_title(aR_ str);
2911 break;
2912 case XTerm_Color:
2913 for (buf = (char *)str; buf && *buf;) {
2914 if ((name = STRCHR(buf, ';')) == NULL)
2915 break;
2916 *name++ = '\0';
2917 color = atoi(buf);
2918 if (color < 0 || color >= TOTAL_COLORS)
2919 break;
2920 if ((buf = STRCHR(name, ';')) != NULL)
2921 *buf++ = '\0';
2922 rxvt_set_window_color(aR_ color + minCOLOR, name);
2923 }
2924 break;
2925 #ifndef NO_CURSORCOLOR
2926 case XTerm_Color_cursor:
2927 rxvt_set_window_color(aR_ Color_cursor, str);
2928 break;
2929 #endif
2930 case XTerm_Color_pointer:
2931 rxvt_set_window_color(aR_ Color_pointer, str);
2932 break;
2933 #ifndef NO_BOLD_UNDERLINE_REVERSE
2934 case XTerm_Color_BD:
2935 rxvt_set_window_color(aR_ Color_BD, str);
2936 break;
2937 case XTerm_Color_UL:
2938 rxvt_set_window_color(aR_ Color_UL, str);
2939 break;
2940 case XTerm_Color_RV:
2941 rxvt_set_window_color(aR_ Color_RV, str);
2942 break;
2943 #endif
2944
2945 case XTerm_Menu:
2946 /*
2947 * rxvt_menubar_dispatch() violates the constness of the string,
2948 * so DON'T do it here
2949 */
2950 break;
2951 case XTerm_Pixmap:
2952 if (*str != ';') {
2953 #if XPM_BACKGROUND
2954 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2955 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2956 #endif
2957 rxvt_scr_touch(aR_ True);
2958 }
2959 while ((str = STRCHR(str, ';')) != NULL) {
2960 str++;
2961 #if XPM_BACKGROUND
2962 changed += rxvt_scale_pixmap(aR_ str);
2963 #endif
2964 }
2965 if (changed) {
2966 #ifdef XPM_BACKGROUND
2967 rxvt_resize_pixmap(aR);
2968 #endif
2969 rxvt_scr_touch(aR_ True);
2970 }
2971 break;
2972
2973 case XTerm_restoreFG:
2974 rxvt_set_window_color(aR_ Color_fg, str);
2975 break;
2976 case XTerm_restoreBG:
2977 rxvt_set_window_color(aR_ Color_bg, str);
2978 break;
2979 case XTerm_logfile:
2980 break;
2981 case XTerm_font:
2982 rxvt_change_font(aR_ 0, str);
2983 break;
2984 #if 0
2985 case XTerm_dumpscreen: /* no error notices */
2986 {
2987 int fd;
2988 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
2989 rxvt_scr_dump(aR_ fd);
2990 close(fd);
2991 }
2992 }
2993 break;
2994 #endif
2995 }
2996 }
2997 /*----------------------------------------------------------------------*/
2998
2999 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
3000 /*
3001 * mode can only have the following values:
3002 * 'l' = low
3003 * 'h' = high
3004 * 's' = save
3005 * 'r' = restore
3006 * 't' = toggle
3007 * so no need for fancy checking
3008 */
3009 /* INTPROTO */
3010 int
3011 rxvt_privcases(pR_ int mode, unsigned long bit)
3012 {
3013 int state;
3014
3015 if (mode == 's') {
3016 R->SavedModes |= (R->PrivateModes & bit);
3017 return -1;
3018 } else {
3019 if (mode == 'r')
3020 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */
3021 else
3022 state = (mode == 't') ? !(R->PrivateModes & bit) : mode;
3023 PrivMode(state, bit);
3024 }
3025 return state;
3026 }
3027
3028 /* we're not using priv _yet_ */
3029 /* INTPROTO */
3030 void
3031 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3032 {
3033 unsigned int i, j;
3034 int state;
3035 static const struct {
3036 const int argval;
3037 const unsigned long bit;
3038 } argtopriv[] = {
3039 { 1, PrivMode_aplCUR },
3040 { 2, PrivMode_vt52 },
3041 { 3, PrivMode_132 },
3042 { 4, PrivMode_smoothScroll },
3043 { 5, PrivMode_rVideo },
3044 { 6, PrivMode_relOrigin },
3045 { 7, PrivMode_Autowrap },
3046 { 9, PrivMode_MouseX10 },
3047 #ifdef menuBar_esc
3048 { menuBar_esc, PrivMode_menuBar },
3049 #endif
3050 #ifdef scrollBar_esc
3051 { scrollBar_esc, PrivMode_scrollBar },
3052 #endif
3053 { 25, PrivMode_VisibleCursor },
3054 { 35, PrivMode_ShiftKeys },
3055 { 40, PrivMode_132OK },
3056 { 47, PrivMode_Screen },
3057 { 66, PrivMode_aplKP },
3058 #ifndef NO_BACKSPACE_KEY
3059 { 67, PrivMode_BackSpace },
3060 #endif
3061 { 1000, PrivMode_MouseX11 },
3062 { 1010, PrivMode_TtyOutputInh },
3063 { 1011, PrivMode_Keypress },
3064 { 1047, PrivMode_Screen },
3065 };
3066
3067 if (nargs == 0)
3068 return;
3069
3070 /* make lo/hi boolean */
3071 if (mode == 'l')
3072 mode = 0; /* reset */
3073 else if (mode == 'h')
3074 mode = 1; /* set */
3075
3076 for (i = 0; i < nargs; i++) {
3077 state = -1;
3078
3079 /* basic handling */
3080 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3081 if (argtopriv[j].argval == arg[i]) {
3082 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3083 break;
3084 }
3085
3086 /* extra handling for values with state unkept */
3087 if (state == -1)
3088 switch (arg[i]) {
3089 case 1048: /* alternative cursor save */
3090 if (mode == 0)
3091 rxvt_scr_cursor(aR_ RESTORE);
3092 else if (mode == 1)
3093 rxvt_scr_cursor(aR_ SAVE);
3094 /* FALLTHROUGH */
3095 default:
3096 continue; /* for(;i;) */
3097 }
3098
3099 /* extra handling for values with valid 0 or 1 state */
3100 switch (arg[i]) {
3101 /* case 1: - application cursor keys */
3102 case 2: /* VT52 mode */
3103 /* oddball mode. should be set regardless of set/reset
3104 * parameter. Return from VT52 mode with an ESC < from
3105 * within VT52 mode
3106 */
3107 PrivMode(1, PrivMode_vt52);
3108 break;
3109 case 3: /* 80/132 */
3110 if (R->PrivateModes & PrivMode_132OK)
3111 rxvt_set_widthheight(aR_
3112 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3113 (unsigned int)R->TermWin.height);
3114 break;
3115 case 4: /* smooth scrolling */
3116 if (state)
3117 R->Options &= ~Opt_jumpScroll;
3118 else
3119 R->Options |= Opt_jumpScroll;
3120 break;
3121 case 5: /* reverse video */
3122 rxvt_scr_rvideo_mode(aR_ state);
3123 break;
3124 case 6: /* relative/absolute origins */
3125 rxvt_scr_relative_origin(aR_ state);
3126 break;
3127 case 7: /* autowrap */
3128 rxvt_scr_autowrap(aR_ state);
3129 break;
3130 /* case 8: - auto repeat, can't do on a per window basis */
3131 case 9: /* X10 mouse reporting */
3132 if (state) /* orthogonal */
3133 R->PrivateModes &= ~(PrivMode_MouseX11);
3134 break;
3135 #ifdef menuBar_esc
3136 case menuBar_esc:
3137 #ifdef MENUBAR
3138 rxvt_map_menuBar(aR_ state);
3139 #endif
3140 break;
3141 #endif
3142 #ifdef scrollBar_esc
3143 case scrollBar_esc:
3144 if (rxvt_scrollbar_mapping(aR_ state)) {
3145 rxvt_resize_all_windows(aR_ 0, 0, 0);
3146 rxvt_scr_touch(aR_ True);
3147 }
3148 break;
3149 #endif
3150 case 25: /* visible/invisible cursor */
3151 rxvt_scr_cursor_visible(aR_ state);
3152 break;
3153 /* case 35: - shift keys */
3154 /* case 40: - 80 <--> 132 mode */
3155 case 47: /* secondary screen */
3156 rxvt_scr_change_screen(aR_ state);
3157 break;
3158 /* case 66: - application key pad */
3159 /* case 67: - backspace key */
3160 case 1000: /* X11 mouse reporting */
3161 if (state) /* orthogonal */
3162 R->PrivateModes &= ~(PrivMode_MouseX10);
3163 break;
3164 #if 0
3165 case 1001:
3166 break; /* X11 mouse highlighting */
3167 #endif
3168 case 1010: /* scroll to bottom on TTY output inhibit */
3169 if (state)
3170 R->Options &= ~Opt_scrollTtyOutput;
3171 else
3172 R->Options |= Opt_scrollTtyOutput;
3173 break;
3174 case 1011: /* scroll to bottom on key press */
3175 if (state)
3176 R->Options |= Opt_scrollTtyKeypress;
3177 else
3178 R->Options &= ~Opt_scrollTtyKeypress;
3179 break;
3180 case 1047: /* secondary screen w/ clearing */
3181 if (R->current_screen != PRIMARY)
3182 rxvt_scr_erase_screen(aR_ 2);
3183 rxvt_scr_change_screen(aR_ state);
3184 /* FALLTHROUGH */
3185 default:
3186 break;
3187 }
3188 }
3189 }
3190 /*}}} */
3191
3192 /*{{{ process sgr sequences */
3193 /* INTPROTO */
3194 void
3195 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3196 {
3197 unsigned int i;
3198 short rendset;
3199 int rendstyle;
3200
3201 if (nargs == 0) {
3202 rxvt_scr_rendition(aR_ 0, ~RS_None);
3203 return;
3204 }
3205 for (i = 0; i < nargs; i++) {
3206 rendset = -1;
3207 switch (arg[i]) {
3208 case 0:
3209 rendset = 0, rendstyle = ~RS_None;
3210 break;
3211 case 1:
3212 rendset = 1, rendstyle = RS_Bold;
3213 break;
3214 case 4:
3215 rendset = 1, rendstyle = RS_Uline;
3216 break;
3217 case 5:
3218 rendset = 1, rendstyle = RS_Blink;
3219 break;
3220 case 7:
3221 rendset = 1, rendstyle = RS_RVid;
3222 break;
3223 case 22:
3224 rendset = 0, rendstyle = RS_Bold;
3225 break;
3226 case 24:
3227 rendset = 0, rendstyle = RS_Uline;
3228 break;
3229 case 25:
3230 rendset = 0, rendstyle = RS_Blink;
3231 break;
3232 case 27:
3233 rendset = 0, rendstyle = RS_RVid;
3234 break;
3235 }
3236 if (rendset != -1) {
3237 rxvt_scr_rendition(aR_ rendset, rendstyle);
3238 continue; /* for(;i;) */
3239 }
3240
3241 switch (arg[i]) {
3242 case 30:
3243 case 31: /* set fg color */
3244 case 32:
3245 case 33:
3246 case 34:
3247 case 35:
3248 case 36:
3249 case 37:
3250 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3251 Color_fg);
3252 break;
3253 #ifdef TTY_256COLOR
3254 case 38:
3255 if (nargs > i + 2 && arg[i + 1] == 5) {
3256 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3257 Color_fg);
3258 i += 2;
3259 }
3260 break;
3261 #endif
3262 case 39: /* default fg */
3263 rxvt_scr_color(aR_ Color_fg, Color_fg);
3264 break;
3265
3266 case 40:
3267 case 41: /* set bg color */
3268 case 42:
3269 case 43:
3270 case 44:
3271 case 45:
3272 case 46:
3273 case 47:
3274 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3275 Color_bg);
3276 break;
3277 #ifdef TTY_256COLOR
3278 case 48:
3279 if (nargs > i + 2 && arg[i + 1] == 5) {
3280 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3281 Color_bg);
3282 i += 2;
3283 }
3284 break;
3285 #endif
3286 case 49: /* default bg */
3287 rxvt_scr_color(aR_ Color_bg, Color_bg);
3288 break;
3289
3290 #ifndef NO_BRIGHTCOLOR
3291 case 90:
3292 case 91: /* set bright fg color */
3293 case 92:
3294 case 93:
3295 case 94:
3296 case 95:
3297 case 96:
3298 case 97:
3299 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3300 Color_fg);
3301 break;
3302 case 100:
3303 case 101: /* set bright bg color */
3304 case 102:
3305 case 103:
3306 case 104:
3307 case 105:
3308 case 106:
3309 case 107:
3310 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3311 Color_bg);
3312 break;
3313 #endif
3314 }
3315 }
3316 }
3317 /*}}} */
3318
3319 /*{{{ process Rob Nation's own graphics mode sequences */
3320 /* INTPROTO */
3321 void
3322 rxvt_process_graphics(pR)
3323 {
3324 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3325
3326 #ifndef RXVT_GRAPHICS
3327 if (cmd == 'Q') { /* query graphics */
3328 R->tt_printf("\033G0\n"); /* no graphics */
3329 return;
3330 }
3331 /* swallow other graphics sequences until terminating ':' */
3332 do
3333 ch = rxvt_cmd_getc(aR);
3334 while (ch != ':');
3335 #else
3336 unsigned int nargs;
3337 int args[NGRX_PTS];
3338 unsigned char *text = NULL;
3339
3340 if (cmd == 'Q') { /* query graphics */
3341 R->tt_printf("\033G1\n"); /* yes, graphics (color) */
3342 return;
3343 }
3344 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3345 int neg;
3346
3347 ch = rxvt_cmd_getc(aR);
3348 neg = (ch == '-');
3349 if (neg || ch == '+')
3350 ch = rxvt_cmd_getc(aR);
3351
3352 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3353 args[nargs] = args[nargs] * 10 + (ch - '0');
3354 if (neg)
3355 args[nargs] = -args[nargs];
3356
3357 nargs++;
3358 args[nargs] = 0;
3359 if (ch != ';')
3360 break;
3361 }
3362
3363 if ((cmd == 'T') && (nargs >= 5)) {
3364 int i, len = args[4];
3365
3366 text = rxvt_malloc((len + 1) * sizeof(char));
3367
3368 if (text != NULL) {
3369 for (i = 0; i < len; i++)
3370 text[i] = rxvt_cmd_getc(aR);
3371 text[len] = '\0';
3372 }
3373 }
3374 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3375 #endif
3376 }
3377 /*}}} */
3378
3379 /* ------------------------------------------------------------------------- */
3380
3381 /*
3382 * Send printf() formatted output to the command.
3383 * Only use for small amounts of data.
3384 */
3385 void
3386 rxvt_term::tt_printf (const char *fmt,...)
3387 {
3388 va_list arg_ptr;
3389 unsigned char buf[256];
3390
3391 va_start (arg_ptr, fmt);
3392 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3393 va_end (arg_ptr);
3394 tt_write (buf, STRLEN (buf));
3395 }
3396
3397 /* ---------------------------------------------------------------------- */
3398 /* Write data to the pty as typed by the user, pasted with the mouse,
3399 * or generated by us in response to a query ESC sequence.
3400 */
3401 void
3402 rxvt_term::tt_write (const unsigned char *data, unsigned int len)
3403 {
3404 enum { MAX_PTY_WRITE = 255 }; // minimum MAX_INPUT
3405
3406 if (len)
3407 {
3408 if (v_buflen == 0)
3409 {
3410 int written = write (cmd_fd, data, min (MAX_PTY_WRITE, len));
3411 if (written == len)
3412 return;
3413
3414 data += written;
3415 len -= written;
3416 }
3417
3418
3419 v_buffer = (unsigned char *)realloc (v_buffer, v_buflen + len);
3420
3421 memcpy (v_buffer + v_buflen, data, len);
3422 v_buflen += len;
3423 }
3424
3425 for (;;)
3426 {
3427 int written = write (cmd_fd, v_buffer, min (MAX_PTY_WRITE, v_buflen));
3428
3429 if (written > 0)
3430 {
3431 v_buflen -= written;
3432
3433 if (v_buflen == 0)
3434 {
3435 free (v_buffer);
3436 v_buffer = 0;
3437 v_buflen = 0;
3438
3439 pty_ev.set (EVENT_READ);
3440 return;
3441 }
3442
3443 memmove (v_buffer, v_buffer + written, v_buflen);
3444 }
3445 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3446 // original code just ignores this...
3447 destroy ();
3448 else
3449 {
3450 pty_ev.set (EVENT_READ | EVENT_WRITE);
3451 return;
3452 }
3453 }
3454 }
3455
3456 /*----------------------- end-of-file (C source) -----------------------*/
3457