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Revision: 1.17
Committed: Thu Dec 18 00:29:29 2003 UTC (20 years, 4 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.16: +20 -8 lines
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File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.16 2003/12/17 09:00:35 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 wchar_t wkbuf[KBUFSZ + 1];
97
98 // assume wchar_t == unicode or better
99 len = XwcLookupString (R->Input_Context, ev, wkbuf,
100 KBUFSZ, &keysym, &status_return);
101
102 if (status_return == XLookupChars
103 || status_return == XLookupBoth)
104 {
105 wkbuf[len] = 0;
106 len = wcstombs ((char *)kbuf, wkbuf, KBUFSZ);
107 }
108 else
109 len = 0;
110 #endif
111 valid_keysym = status_return == XLookupKeySym
112 || status_return == XLookupBoth;
113 }
114 else
115 #endif
116 {
117 len = XLookupString (ev, (char *)kbuf, KBUFSZ, &keysym, &R->compose);
118 valid_keysym = !len;
119 }
120
121 if (valid_keysym)
122 {
123 /* for some backwards compatibility */
124 #if defined(HOTKEY_CTRL) || defined(HOTKEY_META)
125 # ifdef HOTKEY_CTRL
126 if (ctrl)
127 # else
128 if (meta)
129 # endif
130 {
131 if (keysym == R->ks_bigfont)
132 {
133 rxvt_change_font(aR_ 0, FONT_UP);
134 return;
135 }
136 else if (keysym == R->ks_smallfont)
137 {
138 rxvt_change_font(aR_ 0, FONT_DN);
139 return;
140 }
141 }
142 #endif
143
144 if (R->TermWin.saveLines) {
145 #ifdef UNSHIFTED_SCROLLKEYS
146 if (!ctrl && !meta) {
147 #else
148 if (IS_SCROLL_MOD) {
149 #endif
150 int lnsppg;
151
152 #ifdef PAGING_CONTEXT_LINES
153 lnsppg = R->TermWin.nrow - PAGING_CONTEXT_LINES;
154 #else
155 lnsppg = R->TermWin.nrow * 4 / 5;
156 #endif
157 if (keysym == XK_Prior) {
158 rxvt_scr_page(aR_ UP, lnsppg);
159 return;
160 } else if (keysym == XK_Next) {
161 rxvt_scr_page(aR_ DN, lnsppg);
162 return;
163 }
164 }
165 #ifdef SCROLL_ON_UPDOWN_KEYS
166 if (IS_SCROLL_MOD) {
167 if (keysym == XK_Up) {
168 rxvt_scr_page(aR_ UP, 1);
169 return;
170 } else if (keysym == XK_Down) {
171 rxvt_scr_page(aR_ DN, 1);
172 return;
173 }
174 }
175 #endif
176 #ifdef SCROLL_ON_HOMEEND_KEYS
177 if (IS_SCROLL_MOD) {
178 if (keysym == XK_Home) {
179 rxvt_scr_move_to(aR_ 0, 1);
180 return;
181 } else if (keysym == XK_End) {
182 rxvt_scr_move_to(aR_ 1, 0);
183 return;
184 }
185 }
186 #endif
187 }
188
189 if (shft) {
190 /* Shift + F1 - F10 generates F11 - F20 */
191 if (keysym >= XK_F1 && keysym <= XK_F10) {
192 keysym += (XK_F11 - XK_F1);
193 shft = 0; /* turn off Shift */
194 } else if (!ctrl && !meta && (R->PrivateModes & PrivMode_ShiftKeys)) {
195 switch (keysym) {
196 /* normal XTerm key bindings */
197 case XK_Insert: /* Shift+Insert = paste mouse selection */
198 rxvt_selection_request(aR_ ev->time, 0, 0);
199 return;
200 /* rxvt extras */
201 case XK_KP_Add: /* Shift+KP_Add = bigger font */
202 rxvt_change_font(aR_ 0, FONT_UP);
203 return;
204 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
205 rxvt_change_font(aR_ 0, FONT_DN);
206 return;
207 }
208 }
209 }
210 #ifdef PRINTPIPE
211 if (keysym == XK_Print) {
212 rxvt_scr_printscreen(aR_ ctrl | shft);
213 return;
214 }
215 #endif
216 #ifdef GREEK_SUPPORT
217 if (keysym == R->ks_greekmodeswith) {
218 R->greek_mode = !R->greek_mode;
219 if (R->greek_mode) {
220 rxvt_xterm_seq(aR_ XTerm_title,
221 (greek_getmode() == GREEK_ELOT928
222 ? "[Greek: iso]" : "[Greek: ibm]"), CHAR_ST);
223 greek_reset();
224 } else
225 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
226 return;
227 }
228 #endif
229
230 if (keysym >= 0xFF00 && keysym <= 0xFFFF) {
231 #ifdef KEYSYM_RESOURCE
232 if (!(shft | ctrl) && R->Keysym_map[keysym & 0xFF] != NULL) {
233 unsigned int l;
234 const unsigned char *kbuf0;
235 const unsigned char ch = C0_ESC;
236
237 kbuf0 = (R->Keysym_map[keysym & 0xFF]);
238 l = (unsigned int)*kbuf0++;
239
240 /* escape prefix */
241 if (meta)
242 # ifdef META8_OPTION
243 if (R->meta_char == C0_ESC)
244 # endif
245 R->tt_write (&ch, 1);
246 R->tt_write (kbuf0, l);
247 return;
248 } else
249 #endif
250 {
251 newlen = 1;
252 switch (keysym) {
253 #ifndef NO_BACKSPACE_KEY
254 case XK_BackSpace:
255 if (R->PrivateModes & PrivMode_HaveBackSpace) {
256 kbuf[0] = (!!(R->PrivateModes & PrivMode_BackSpace)
257 ^ !!ctrl) ? '\b' : '\177';
258 kbuf[1] = '\0';
259 } else
260 STRCPY(kbuf, R->key_backspace);
261 # ifdef MULTICHAR_SET
262 if ((R->Options & Opt_mc_hack) && R->screen.cur.col > 0) {
263 int col, row;
264
265 newlen = STRLEN(kbuf);
266 col = R->screen.cur.col - 1;
267 row = R->screen.cur.row + R->TermWin.saveLines;
268 if (IS_MULTI2(R->screen.rend[row][col]))
269 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
270 }
271 # endif
272 break;
273 #endif
274 #ifndef NO_DELETE_KEY
275 case XK_Delete:
276 STRCPY(kbuf, R->key_delete);
277 # ifdef MULTICHAR_SET
278 if (R->Options & Opt_mc_hack) {
279 int col, row;
280
281 newlen = STRLEN(kbuf);
282 col = R->screen.cur.col;
283 row = R->screen.cur.row + R->TermWin.saveLines;
284 if (IS_MULTI1(R->screen.rend[row][col]))
285 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
286 }
287 # endif
288 break;
289 #endif
290 case XK_Tab:
291 if (shft)
292 STRCPY(kbuf, "\033[Z");
293 else {
294 #ifdef CTRL_TAB_MAKES_META
295 if (ctrl)
296 meta = 1;
297 #endif
298 #ifdef MOD4_TAB_MAKES_META
299 if (ev->state & Mod4Mask)
300 meta = 1;
301 #endif
302 newlen = 0;
303 }
304 break;
305
306
307 #ifdef XK_KP_Left
308 case XK_KP_Up: /* \033Ox or standard */
309 case XK_KP_Down: /* \033Or or standard */
310 case XK_KP_Right: /* \033Ov or standard */
311 case XK_KP_Left: /* \033Ot or standard */
312 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
313 STRCPY(kbuf, "\033OZ");
314 kbuf[2] = ("txvr"[keysym - XK_KP_Left]);
315 break;
316 } else
317 /* translate to std. cursor key */
318 keysym = XK_Left + (keysym - XK_KP_Left);
319 /* FALLTHROUGH */
320 #endif
321 case XK_Up: /* "\033[A" */
322 case XK_Down: /* "\033[B" */
323 case XK_Right: /* "\033[C" */
324 case XK_Left: /* "\033[D" */
325 STRCPY(kbuf, "\033[Z");
326 kbuf[2] = ("DACB"[keysym - XK_Left]);
327 /* do Shift first */
328 if (shft)
329 kbuf[2] = ("dacb"[keysym - XK_Left]);
330 else if (ctrl) {
331 kbuf[1] = 'O';
332 kbuf[2] = ("dacb"[keysym - XK_Left]);
333 } else if (R->PrivateModes & PrivMode_aplCUR)
334 kbuf[1] = 'O';
335 #ifdef MULTICHAR_SET
336 //TODO: ??
337 if (R->Options & Opt_mc_hack) {
338 int col, row, m;
339
340 col = R->screen.cur.col;
341 row = R->screen.cur.row + R->TermWin.saveLines;
342 m = 0;
343 if (keysym == XK_Right
344 && IS_MULTI1(R->screen.rend[row][col]))
345 m = 1;
346 else if (keysym == XK_Left) {
347 if (col > 0) {
348 if (IS_MULTI2(R->screen.rend[row][col - 1]))
349 m = 1;
350 } else if (R->screen.cur.row > 0) {
351 col = R->screen.tlen[--row];
352 if (col == -1)
353 col = R->TermWin.ncol - 1;
354 else
355 col--;
356 if (col > 0
357 && IS_MULTI2(R->screen.rend[row][col]))
358 m = 1;
359 }
360 }
361 if (m)
362 MEMMOVE(kbuf + 3, kbuf, 3 + 1);
363 }
364 #endif
365 break;
366
367 #ifndef UNSHIFTED_SCROLLKEYS
368 # ifdef XK_KP_Prior
369 case XK_KP_Prior:
370 /* allow shift to override */
371 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
372 STRCPY(kbuf, "\033Oy");
373 break;
374 }
375 /* FALLTHROUGH */
376 # endif
377 case XK_Prior:
378 STRCPY(kbuf, "\033[5~");
379 break;
380 # ifdef XK_KP_Next
381 case XK_KP_Next:
382 /* allow shift to override */
383 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
384 STRCPY(kbuf, "\033Os");
385 break;
386 }
387 /* FALLTHROUGH */
388 # endif
389 case XK_Next:
390 STRCPY(kbuf, "\033[6~");
391 break;
392 #endif
393 case XK_KP_Enter:
394 /* allow shift to override */
395 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
396 STRCPY(kbuf, "\033OM");
397 } else {
398 kbuf[0] = '\r';
399 kbuf[1] = '\0';
400 }
401 break;
402
403 #ifdef XK_KP_Begin
404 case XK_KP_Begin:
405 STRCPY(kbuf, "\033Ou");
406 break;
407
408 case XK_KP_Insert:
409 STRCPY(kbuf, "\033Op");
410 break;
411
412 case XK_KP_Delete:
413 STRCPY(kbuf, "\033On");
414 break;
415 #endif
416 case XK_KP_F1: /* "\033OP" */
417 case XK_KP_F2: /* "\033OQ" */
418 case XK_KP_F3: /* "\033OR" */
419 case XK_KP_F4: /* "\033OS" */
420 STRCPY(kbuf, "\033OP");
421 kbuf[2] += (keysym - XK_KP_F1);
422 break;
423
424 case XK_KP_Multiply: /* "\033Oj" : "*" */
425 case XK_KP_Add: /* "\033Ok" : "+" */
426 case XK_KP_Separator: /* "\033Ol" : "," */
427 case XK_KP_Subtract: /* "\033Om" : "-" */
428 case XK_KP_Decimal: /* "\033On" : "." */
429 case XK_KP_Divide: /* "\033Oo" : "/" */
430 case XK_KP_0: /* "\033Op" : "0" */
431 case XK_KP_1: /* "\033Oq" : "1" */
432 case XK_KP_2: /* "\033Or" : "2" */
433 case XK_KP_3: /* "\033Os" : "3" */
434 case XK_KP_4: /* "\033Ot" : "4" */
435 case XK_KP_5: /* "\033Ou" : "5" */
436 case XK_KP_6: /* "\033Ov" : "6" */
437 case XK_KP_7: /* "\033Ow" : "7" */
438 case XK_KP_8: /* "\033Ox" : "8" */
439 case XK_KP_9: /* "\033Oy" : "9" */
440 /* allow shift to override */
441 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
442 STRCPY(kbuf, "\033Oj");
443 kbuf[2] += (keysym - XK_KP_Multiply);
444 } else {
445 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
446 kbuf[1] = '\0';
447 }
448 break;
449
450 case XK_Find:
451 STRCPY(kbuf, "\033[1~");
452 break;
453 case XK_Insert:
454 STRCPY(kbuf, "\033[2~");
455 break;
456 #ifdef DXK_Remove /* support for DEC remove like key */
457 case DXK_Remove:
458 /* FALLTHROUGH */
459 #endif
460 case XK_Execute:
461 STRCPY(kbuf, "\033[3~");
462 break;
463 case XK_Select:
464 STRCPY(kbuf, "\033[4~");
465 break;
466 #ifdef XK_KP_End
467 case XK_KP_End:
468 /* allow shift to override */
469 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
470 STRCPY(kbuf, "\033Oq");
471 break;
472 }
473 /* FALLTHROUGH */
474 #endif
475 case XK_End:
476 STRCPY(kbuf, KS_END);
477 break;
478 #ifdef XK_KP_Home
479 case XK_KP_Home:
480 /* allow shift to override */
481 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
482 STRCPY(kbuf, "\033Ow");
483 break;
484 }
485 /* FALLTHROUGH */
486 #endif
487 case XK_Home:
488 STRCPY(kbuf, KS_HOME);
489 break;
490
491 #define FKEY(n, fkey) \
492 sprintf((char *)kbuf,"\033[%2d~", (int)((n) + (keysym - fkey)))
493
494 case XK_F1: /* "\033[11~" */
495 case XK_F2: /* "\033[12~" */
496 case XK_F3: /* "\033[13~" */
497 case XK_F4: /* "\033[14~" */
498 case XK_F5: /* "\033[15~" */
499 FKEY(11, XK_F1);
500 break;
501 case XK_F6: /* "\033[17~" */
502 case XK_F7: /* "\033[18~" */
503 case XK_F8: /* "\033[19~" */
504 case XK_F9: /* "\033[20~" */
505 case XK_F10: /* "\033[21~" */
506 FKEY(17, XK_F6);
507 break;
508 case XK_F11: /* "\033[23~" */
509 case XK_F12: /* "\033[24~" */
510 case XK_F13: /* "\033[25~" */
511 case XK_F14: /* "\033[26~" */
512 FKEY(23, XK_F11);
513 break;
514 case XK_F15: /* "\033[28~" */
515 case XK_F16: /* "\033[29~" */
516 FKEY(28, XK_F15);
517 break;
518 case XK_Help: /* "\033[28~" */
519 FKEY(28, XK_Help);
520 break;
521 case XK_Menu: /* "\033[29~" */
522 FKEY(29, XK_Menu);
523 break;
524 case XK_F17: /* "\033[31~" */
525 case XK_F18: /* "\033[32~" */
526 case XK_F19: /* "\033[33~" */
527 case XK_F20: /* "\033[34~" */
528 case XK_F21: /* "\033[35~" */
529 case XK_F22: /* "\033[36~" */
530 case XK_F23: /* "\033[37~" */
531 case XK_F24: /* "\033[38~" */
532 case XK_F25: /* "\033[39~" */
533 case XK_F26: /* "\033[40~" */
534 case XK_F27: /* "\033[41~" */
535 case XK_F28: /* "\033[42~" */
536 case XK_F29: /* "\033[43~" */
537 case XK_F30: /* "\033[44~" */
538 case XK_F31: /* "\033[45~" */
539 case XK_F32: /* "\033[46~" */
540 case XK_F33: /* "\033[47~" */
541 case XK_F34: /* "\033[48~" */
542 case XK_F35: /* "\033[49~" */
543 FKEY(31, XK_F17);
544 break;
545 #undef FKEY
546 default:
547 newlen = 0;
548 break;
549 }
550 if (newlen)
551 len = STRLEN(kbuf);
552 }
553 /*
554 * Pass meta for all function keys, if 'meta' option set
555 */
556 #ifdef META8_OPTION
557 if (meta && (R->meta_char == 0x80) && len > 0)
558 kbuf[len - 1] |= 0x80;
559 #endif
560 } else if (ctrl && keysym == XK_minus) {
561 len = 1;
562 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
563 } else {
564 #ifdef META8_OPTION
565 /* set 8-bit on */
566 if (meta && (R->meta_char == 0x80)) {
567 unsigned char *ch;
568
569 for (ch = kbuf; ch < kbuf + len; ch++)
570 *ch |= 0x80;
571 meta = 0;
572 }
573 #endif
574 #ifdef GREEK_SUPPORT
575 if (R->greek_mode)
576 len = greek_xlat(kbuf, len);
577 #endif
578 /* nil */ ;
579 }
580 }
581
582 if (len <= 0)
583 return; /* not mapped */
584
585 if (R->Options & Opt_scrollTtyKeypress)
586 if (R->TermWin.view_start) {
587 R->TermWin.view_start = 0;
588 R->want_refresh = 1;
589 }
590
591 /*
592 * these modifications only affect the static keybuffer
593 * pass Shift/Control indicators for function keys ending with `~'
594 *
595 * eg,
596 * Prior = "ESC[5~"
597 * Shift+Prior = "ESC[5$"
598 * Ctrl+Prior = "ESC[5^"
599 * Ctrl+Shift+Prior = "ESC[5@"
600 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
601 */
602 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
603 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
604
605 /* escape prefix */
606 if (meta
607 #ifdef META8_OPTION
608 && (R->meta_char == C0_ESC)
609 #endif
610 ) {
611 const unsigned char ch = C0_ESC;
612
613 R->tt_write(&ch, 1);
614 }
615 #ifdef DEBUG_CMD
616 if (debug_key) { /* Display keyboard buffer contents */
617 char *p;
618 int i;
619
620 fprintf(stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
621 for (i = 0, p = kbuf; i < len; i++, p++)
622 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
623 fprintf(stderr, "'\n");
624 }
625 #endif /* DEBUG_CMD */
626 R->tt_write(kbuf, (unsigned int)len);
627 }
628 /*}}} */
629
630 #if (MENUBAR_MAX)
631 /*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
632 /* attempt to `write' count to the input buffer */
633 /* EXTPROTO */
634 unsigned int
635 rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
636 {
637 unsigned int n, s;
638 unsigned char *cmdbuf_base = R->cmdbuf_base,
639 *cmdbuf_endp = R->cmdbuf_endp,
640 *cmdbuf_ptr = R->cmdbuf_ptr;
641
642 n = cmdbuf_ptr - cmdbuf_base;
643 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp;
644 if (n > 0 && s < count) {
645 MEMMOVE(cmdbuf_base, cmdbuf_ptr,
646 (unsigned int)(cmdbuf_endp - cmdbuf_ptr));
647 cmdbuf_ptr = cmdbuf_base;
648 cmdbuf_endp -= n;
649 s += n;
650 }
651 if (count > s) {
652 rxvt_print_error("data loss: cmd_write too large");
653 count = s;
654 }
655 for (; count--;)
656 *cmdbuf_endp++ = *str++;
657 R->cmdbuf_ptr = cmdbuf_ptr;
658 R->cmdbuf_endp = cmdbuf_endp;
659 return 0;
660 }
661 #endif /* MENUBAR_MAX */
662
663 void
664 rxvt_term::flush ()
665 {
666 #ifdef TRANSPARENT
667 if (want_full_refresh)
668 {
669 want_full_refresh = 0;
670 rxvt_scr_clear (this);
671 rxvt_scr_touch (this, False);
672 want_refresh = 1;
673 }
674 #endif
675
676 if (want_refresh)
677 {
678 rxvt_scr_refresh (this, refresh_type);
679 rxvt_scrollbar_show (this, 1);
680 #ifdef USE_XIM
681 rxvt_IMSendSpot (this);
682 #endif
683 }
684
685 XFlush (Xdisplay);
686 #if 0
687 if (XPending (Xdisplay)) process_x_events ();
688 if (XPending (Xdisplay)) process_x_events ();
689 #endif
690 }
691
692 void
693 rxvt_term::check_cb (check_watcher &w)
694 {
695 SET_R (this);
696
697 flush ();
698 }
699
700 void
701 rxvt_term::process_x_events ()
702 {
703 do
704 {
705 XEvent xev;
706
707 XNextEvent (Xdisplay, &xev);
708
709 #if defined(CURSOR_BLINK)
710 if ((Options & Opt_cursorBlink)
711 && xev.type == KeyPress)
712 {
713 if (hidden_cursor)
714 {
715 hidden_cursor = 0;
716 want_refresh = 1;
717 }
718
719 blink_ev.start (NOW + BLINK_INTERVAL);
720 }
721 #endif
722
723 #if defined(POINTER_BLANK)
724 if ((Options & Opt_pointerBlank)
725 && (pointerBlankDelay > 0))
726 {
727 if (xev.type == MotionNotify
728 || xev.type == ButtonPress
729 || xev.type == ButtonRelease)
730 if (hidden_pointer)
731 pointer_unblank ();
732
733 if (xev.type == KeyPress && hidden_pointer == 0)
734 pointer_blank ();
735 }
736 #endif
737
738 #ifdef USE_XIM
739 if (!XFilterEvent (&xev, xev.xany.window))
740 #endif
741 rxvt_process_x_event (this, &xev);
742 }
743 while (XPending (Xdisplay));
744 }
745
746 void
747 rxvt_term::blink_cb (time_watcher &w)
748 {
749 SET_R (this);
750
751 w.at += BLINK_INTERVAL;
752 hidden_cursor = !hidden_cursor;
753 want_refresh = 1;
754 }
755
756 void
757 rxvt_term::x_cb (io_watcher &w, short revents)
758 {
759 SET_R (this);
760
761 process_x_events ();
762 }
763
764 bool
765 rxvt_term::pty_fill ()
766 {
767 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
768
769 memmove (cmdbuf_base, cmdbuf_ptr, n);
770 cmdbuf_ptr = cmdbuf_base;
771 cmdbuf_endp = cmdbuf_ptr + n;
772
773 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n);
774
775 if (n > 0)
776 {
777 cmdbuf_endp += n;
778 return true;
779 }
780 else if (n < 0 && errno != EAGAIN)
781 destroy ();
782
783 return false;
784 }
785
786 void
787 rxvt_term::pty_cb (io_watcher &w, short revents)
788 {
789 SET_R (this);
790
791 if (revents & EVENT_WRITE)
792 tt_write (0, 0);
793 else if (revents & EVENT_READ)
794 {
795 bool flag = true;
796
797 // loop, but don't allow a single term to monopolize us
798 // the number of loops is fully arbitrary, and thus wrong
799 while (flag && pty_fill ())
800 {
801 if (!seen_input)
802 {
803 seen_input = 1;
804 /* once we know the shell is running, send the screen size. Again! */
805 tt_winch ();
806 }
807
808 uint32_t ch = NOCHAR;
809
810 for (;;)
811 {
812 if (ch == NOCHAR)
813 ch = next_char ();
814
815 if (ch == NOCHAR) // TODO: improve
816 break;
817
818 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
819 {
820 /* Read a text string from the input buffer */
821 uint32_t buf[BUFSIZ];
822 bool refreshnow = false;
823 int nlines = 0;
824 uint32_t *str = buf;
825
826 *str++ = ch;
827
828 for (;;)
829 {
830 ch = next_char ();
831
832 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
833 break;
834 else
835 {
836 *str++ = ch;
837
838 if (ch == '\n')
839 {
840 nlines++;
841 refresh_count++;
842
843 if (!(Options & Opt_jumpScroll)
844 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
845 {
846 refreshnow = true;
847 flag = false;
848 ch = NOCHAR;
849 break;
850 }
851 }
852
853 if (str >= buf + BUFSIZ)
854 {
855 ch = NOCHAR;
856 break;
857 }
858 }
859 }
860
861 rxvt_scr_add_lines (this, buf, nlines, str - buf);
862
863 /*
864 * If there have been a lot of new lines, then update the screen
865 * What the heck I'll cheat and only refresh less than every page-full.
866 * the number of pages between refreshes is refresh_limit, which
867 * is incremented here because we must be doing flat-out scrolling.
868 *
869 * refreshing should be correct for small scrolls, because of the
870 * time-out
871 */
872 if (refreshnow)
873 {
874 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
875 refresh_limit++;
876
877 rxvt_scr_refresh (this, refresh_type);
878 }
879
880 }
881 else
882 {
883 switch (ch)
884 {
885 default:
886 rxvt_process_nonprinting (this, ch);
887 break;
888 case C0_ESC: /* escape char */
889 rxvt_process_escape_seq (this);
890 break;
891 /*case 0x9b: */ /* CSI */
892 /* rxvt_process_csi_seq (this); */
893 }
894
895 ch = NOCHAR;
896 }
897 }
898 }
899 }
900 }
901
902 // read the next character, currently handles UTF-8
903 // will probably handle all sorts of other stuff in the future
904 uint32_t
905 rxvt_term::next_char ()
906 {
907 struct mbstate &s = mbstate;
908
909 while (cmdbuf_ptr < cmdbuf_endp)
910 {
911 uint8_t ch = *cmdbuf_ptr;
912
913 if (s.cnt)
914 {
915 if ((ch & 0xc0) == 0x80)
916 {
917 cmdbuf_ptr++;
918
919 /* continuation */
920 s.reg = (s.reg << 6) | (ch & 0x7f);
921
922 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
923 return s.reg;
924
925 continue;
926 }
927 else
928 {
929 s.cnt = 0;
930 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */
931 }
932 }
933
934 if ((ch & 0xc0) == 0xc0)
935 {
936 cmdbuf_ptr++;
937
938 /* first byte */
939 s.orig = ch; /* for broken encodings */
940 s.reg = ch;
941 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; }
942 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; }
943 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; }
944 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; }
945 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; }
946 }
947 else
948 {
949 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */
950 return ch;
951 }
952 }
953
954 return NOCHAR;
955 }
956
957 /* rxvt_cmd_getc() - Return next input character */
958 /*
959 * Return the next input character after first passing any keyboard input
960 * to the command.
961 */
962 /* INTPROTO */
963 uint32_t
964 rxvt_cmd_getc(pR)
965 {
966 for (;;)
967 {
968 uint32_t c = R->next_char ();
969 if (c != NOCHAR)
970 return c;
971
972 // incomplete sequences should occur rarely, still, a better solution
973 // would be preferred. either setjmp/longjmp or better design.
974 fcntl (R->cmd_fd, F_SETFL, 0);
975 R->pty_fill ();
976 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
977 }
978
979 #if 0
980 #define TIMEOUT_USEC 5000
981 fd_set readfds;
982 int quick_timeout, select_res;
983 int want_motion_time, want_keypress_time;
984 struct timeval value;
985 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
986 struct timeval tp;
987 #endif
988
989 for (;;) {
990 /* loop until we can return something */
991
992 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
993 R->tt_write(NULL, 0);
994
995 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
996 if (R->mouse_slip_wheel_speed) {
997 quick_timeout = 1;
998 if (!R->mouse_slip_wheel_delay--
999 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
1000 abs(R->mouse_slip_wheel_speed))) {
1001 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1002 R->refresh_type |= SMOOTH_REFRESH;
1003 R->want_refresh = 1;
1004 }
1005 }
1006 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
1007 #ifdef SELECTION_SCROLLING
1008 if (R->pending_scroll_selection) {
1009 quick_timeout = 1;
1010 if (!R->scroll_selection_delay--
1011 && rxvt_scr_page(aR_ R->scroll_selection_dir,
1012 R->scroll_selection_lines)) {
1013 rxvt_selection_extend(aR_ R->selection_save_x,
1014 R->selection_save_y, R->selection_save_state);
1015 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
1016 R->refresh_type |= SMOOTH_REFRESH;
1017 R->want_refresh = 1;
1018 }
1019 }
1020 #endif
1021 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1022 if (scrollbar_isUp() || scrollbar_isDn()) {
1023 quick_timeout = 1;
1024 if (!R->scroll_arrow_delay--
1025 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
1026 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
1027 R->refresh_type |= SMOOTH_REFRESH;
1028 R->want_refresh = 1;
1029 }
1030 }
1031 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1032
1033 #ifdef TRANSPARENT
1034 quick_timeout |= R->want_full_refresh;
1035 #endif
1036 #endif
1037 }
1038
1039 void
1040 rxvt_term::pointer_unblank ()
1041 {
1042 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1043 rxvt_recolour_cursor (this);
1044
1045 #ifdef POINTER_BLANK
1046 hidden_pointer = 0;
1047
1048 if (Options & Opt_pointerBlank)
1049 pointer_ev.start (NOW + pointerBlankDelay);
1050 #endif
1051 }
1052
1053 #ifdef POINTER_BLANK
1054 void
1055 rxvt_term::pointer_blank ()
1056 {
1057 pointer_ev.stop ();
1058
1059 if (!(Options & Opt_pointerBlank))
1060 return;
1061
1062 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1063 XFlush (Xdisplay);
1064
1065 hidden_pointer = 1;
1066 }
1067
1068 void
1069 rxvt_term::pointer_cb (time_watcher &w)
1070 {
1071 SET_R (this);
1072
1073 pointer_blank ();
1074 }
1075 #endif
1076
1077 /* INTPROTO */
1078 void
1079 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1080 {
1081 int button_number, key_state = 0;
1082 int x, y;
1083
1084 x = ev->x;
1085 y = ev->y;
1086 rxvt_pixel_position(aR_ &x, &y);
1087
1088 if (R->MEvent.button == AnyButton) {
1089 button_number = 3;
1090 } else {
1091 button_number = R->MEvent.button - Button1;
1092 /* add 0x3D for wheel events, like xterm does */
1093 if (button_number >= 3)
1094 button_number += (64 - 3);
1095 }
1096
1097 if (R->PrivateModes & PrivMode_MouseX10) {
1098 /*
1099 * do not report ButtonRelease
1100 * no state info allowed
1101 */
1102 key_state = 0;
1103 if (button_number == 3)
1104 return;
1105 } else {
1106 /* XTerm mouse reporting needs these values:
1107 * 4 = Shift
1108 * 8 = Meta
1109 * 16 = Control
1110 * plus will add in our own Double-Click reporting
1111 * 32 = Double Click
1112 */
1113 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1114 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1115 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1116 #ifdef MOUSE_REPORT_DOUBLECLICK
1117 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1118 #endif
1119 }
1120
1121 #ifdef DEBUG_MOUSEREPORT
1122 fprintf(stderr, "Mouse [");
1123 if (key_state & 16)
1124 fputc('C', stderr);
1125 if (key_state & 4)
1126 fputc('S', stderr);
1127 if (key_state & 8)
1128 fputc('A', stderr);
1129 if (key_state & 32)
1130 fputc('2', stderr);
1131 fprintf(stderr, "]: <%d>, %d/%d\n",
1132 button_number,
1133 x + 1,
1134 y + 1);
1135 #else
1136 R->tt_printf("\033[M%c%c%c",
1137 (32 + button_number + key_state),
1138 (32 + x + 1),
1139 (32 + y + 1));
1140 #endif
1141 }
1142
1143 #ifdef USING_W11LIB
1144 /* EXTPROTO */
1145 void
1146 rxvt_W11_process_x_event(XEvent *ev)
1147 {
1148 rxvt_t *r = rxvt_get_r();
1149
1150 rxvt_process_x_event(aR_ ev);
1151 }
1152 #endif
1153
1154 /*{{{ process an X event */
1155 /* INTPROTO */
1156 void
1157 rxvt_process_x_event(pR_ XEvent *ev)
1158 {
1159 int i, want_timeout;
1160 Window unused_root, unused_child;
1161 int unused_root_x, unused_root_y;
1162 unsigned int unused_mask;
1163
1164 #ifdef DEBUG_X
1165 const char *const eventnames[] =
1166 { /* mason - this matches my system */
1167 "",
1168 "",
1169 "KeyPress",
1170 "KeyRelease",
1171 "ButtonPress",
1172 "ButtonRelease",
1173 "MotionNotify",
1174 "EnterNotify",
1175 "LeaveNotify",
1176 "FocusIn",
1177 "FocusOut",
1178 "KeymapNotify",
1179 "Expose",
1180 "GraphicsExpose",
1181 "NoExpose",
1182 "VisibilityNotify",
1183 "CreateNotify",
1184 "DestroyNotify",
1185 "UnmapNotify",
1186 "MapNotify",
1187 "MapRequest",
1188 "ReparentNotify",
1189 "ConfigureNotify",
1190 "ConfigureRequest",
1191 "GravityNotify",
1192 "ResizeRequest",
1193 "CirculateNotify",
1194 "CirculateRequest",
1195 "PropertyNotify",
1196 "SelectionClear",
1197 "SelectionRequest",
1198 "SelectionNotify",
1199 "ColormapNotify",
1200 "ClientMessage",
1201 "MappingNotify"
1202 };
1203 #endif
1204
1205 #ifdef DEBUG_X
1206 struct timeval tp;
1207 struct tm *ltt;
1208 (void)gettimeofday(&tp, NULL);
1209 ltt = localtime(&(tp.tv_sec));
1210 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));
1211 #endif
1212
1213 switch (ev->type) {
1214 case KeyPress:
1215 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1216 break;
1217
1218 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1219 case KeyRelease:
1220 {
1221 if (!(ev->xkey.state & ControlMask))
1222 R->mouse_slip_wheel_speed = 0;
1223 else {
1224 KeySym ks;
1225
1226 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1227 if (ks == XK_Control_L || ks == XK_Control_R)
1228 R->mouse_slip_wheel_speed = 0;
1229 }
1230 break;
1231 }
1232 #endif
1233
1234 case ButtonPress:
1235 rxvt_button_press(aR_ (XButtonEvent *)ev);
1236 break;
1237
1238 case ButtonRelease:
1239 rxvt_button_release(aR_ (XButtonEvent *)ev);
1240 break;
1241
1242 case ClientMessage:
1243 if (ev->xclient.format == 32
1244 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1245 R->destroy ();
1246 #ifdef OFFIX_DND
1247 /* OffiX Dnd (drag 'n' drop) protocol */
1248 else if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1249 && (ev->xclient.data.l[0] == DndFile
1250 || ev->xclient.data.l[0] == DndDir
1251 || ev->xclient.data.l[0] == DndLink)) {
1252 /* Get Dnd data */
1253 Atom ActualType;
1254 int ActualFormat;
1255 unsigned char *data;
1256 unsigned long Size, RemainingBytes;
1257
1258 XGetWindowProperty(R->Xdisplay, Xroot,
1259 R->xa[XA_DNDSELECTION],
1260 0L, 1000000L,
1261 False, AnyPropertyType,
1262 &ActualType, &ActualFormat,
1263 &Size, &RemainingBytes,
1264 &data);
1265 XChangeProperty(R->Xdisplay, Xroot,
1266 XA_CUT_BUFFER0, XA_STRING,
1267 8, PropModeReplace,
1268 data, STRLEN(data));
1269 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1270 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1271 }
1272 #endif /* OFFIX_DND */
1273 break;
1274
1275 case MappingNotify:
1276 XRefreshKeyboardMapping(&(ev->xmapping));
1277 break;
1278
1279 /*
1280 * XXX: this is not the _current_ arrangement
1281 * Here's my conclusion:
1282 * If the window is completely unobscured, use bitblt's
1283 * to scroll. Even then, they're only used when doing partial
1284 * screen scrolling. When partially obscured, we have to fill
1285 * in the GraphicsExpose parts, which means that after each refresh,
1286 * we need to wait for the graphics expose or Noexpose events,
1287 * which ought to make things real slow!
1288 */
1289 case VisibilityNotify:
1290 switch (ev->xvisibility.state)
1291 {
1292 case VisibilityUnobscured:
1293 R->refresh_type = FAST_REFRESH;
1294 break;
1295 case VisibilityPartiallyObscured:
1296 R->refresh_type = SLOW_REFRESH;
1297 break;
1298 default:
1299 R->refresh_type = NO_REFRESH;
1300 break;
1301 }
1302 break;
1303
1304 case FocusIn:
1305 if (!R->TermWin.focus) {
1306 R->TermWin.focus = 1;
1307 R->want_refresh = 1;
1308 #ifdef USE_XIM
1309 if (R->Input_Context != NULL)
1310 XSetICFocus(R->Input_Context);
1311 #endif
1312 #ifdef CURSOR_BLINK
1313 if (R->Options & Opt_cursorBlink)
1314 R->blink_ev.start (NOW + BLINK_INTERVAL);
1315 #endif
1316 }
1317 break;
1318
1319 case FocusOut:
1320 if (R->TermWin.focus) {
1321 R->TermWin.focus = 0;
1322 R->want_refresh = 1;
1323 #ifdef USE_XIM
1324 if (R->Input_Context != NULL)
1325 XUnsetICFocus(R->Input_Context);
1326 #endif
1327 #ifdef CURSOR_BLINK
1328 if (R->Options & Opt_cursorBlink)
1329 R->blink_ev.stop ();
1330 R->hidden_cursor = 0;
1331 #endif
1332 }
1333 break;
1334
1335 case ConfigureNotify:
1336 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1337 int height, width;
1338
1339 do { /* Wrap lots of configures into one */
1340 width = ev->xconfigure.width;
1341 height = ev->xconfigure.height;
1342 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1343 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1344 ConfigureNotify, ev));
1345 if (R->szHint.width != width || R->szHint.height != height) {
1346 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1347 rxvt_resize_all_windows(aR_ (unsigned int)width,
1348 (unsigned int)height, 1);
1349 }
1350 #ifdef DEBUG_SIZE
1351 else {
1352 D_SIZE((stderr, "Size: Not resizing"));
1353 }
1354 #endif
1355 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1356 if (R->Options & Opt_transparent) {
1357 rxvt_check_our_parents(aR);
1358 if (R->am_transparent)
1359 R->want_full_refresh = 1;
1360 }
1361 #endif
1362 }
1363 break;
1364
1365 case SelectionClear:
1366 rxvt_selection_clear(aR);
1367 break;
1368
1369 case SelectionNotify:
1370 if (R->selection_wait == Sel_normal)
1371 rxvt_selection_paste(aR_ ev->xselection.requestor,
1372 ev->xselection.property, True);
1373 break;
1374
1375 case SelectionRequest:
1376 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1377 break;
1378
1379 case UnmapNotify:
1380 R->TermWin.mapped = 0;
1381 break;
1382
1383 case MapNotify:
1384 R->TermWin.mapped = 1;
1385 break;
1386
1387 case PropertyNotify:
1388 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1389 if (ev->xproperty.state == PropertyNewValue)
1390 rxvt_selection_property(aR_ ev->xproperty.window,
1391 ev->xproperty.atom);
1392 break;
1393 }
1394 #ifdef TRANSPARENT
1395 /*
1396 * if user used some Esetroot compatible prog to set the root bg,
1397 * use the property to determine the pixmap. We use it later on.
1398 */
1399 if (R->xa[XA_XROOTPMAPID] == 0)
1400 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1401 "_XROOTPMAP_ID", False);
1402 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1403 break;
1404 /* FALLTHROUGH */
1405 case ReparentNotify:
1406 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1407 if (R->am_transparent)
1408 R->want_full_refresh = 1;
1409 }
1410 #endif /* TRANSPARENT */
1411 break;
1412
1413 case GraphicsExpose:
1414 case Expose:
1415 if (ev->xany.window == R->TermWin.vt) {
1416 #ifdef NO_SLOW_LINK_SUPPORT
1417 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1418 ev->xexpose.width, ev->xexpose.height, False);
1419 #else
1420 // don't understand this, so commented it out
1421 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1422 ev->xexpose.width, ev->xexpose.height, False);
1423 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1424 // ev->xexpose.width, R->TermWin.height, False);
1425 #endif
1426 R->want_refresh = 1;
1427 } else {
1428 XEvent unused_xevent;
1429
1430 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1431 Expose,
1432 &unused_xevent)) ;
1433 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1434 GraphicsExpose,
1435 &unused_xevent)) ;
1436 if (isScrollbarWindow(ev->xany.window)) {
1437 scrollbar_setIdle();
1438 rxvt_scrollbar_show(aR_ 0);
1439 }
1440 #ifdef MENUBAR
1441 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1442 rxvt_menubar_expose(aR);
1443 #endif
1444 #ifdef RXVT_GRAPHICS
1445 rxvt_Gr_expose(aR_ ev->xany.window);
1446 #endif
1447 }
1448 break;
1449
1450 case MotionNotify:
1451 #ifdef POINTER_BLANK
1452 if (R->hidden_pointer)
1453 R->pointer_unblank ();
1454 #endif
1455 #if MENUBAR
1456 if (isMenuBarWindow(ev->xany.window)) {
1457 rxvt_menubar_control(aR_ &(ev->xbutton));
1458 break;
1459 }
1460 #endif
1461 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1462 break;
1463
1464 if (ev->xany.window == R->TermWin.vt) {
1465 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1466 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1467 MotionNotify, ev)) ;
1468 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1469 &unused_root, &unused_child,
1470 &unused_root_x, &unused_root_y,
1471 &(ev->xbutton.x), &(ev->xbutton.y),
1472 &unused_mask);
1473 #ifdef MOUSE_THRESHOLD
1474 /* deal with a `jumpy' mouse */
1475 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1476 #endif
1477 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1478 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1479 #ifdef SELECTION_SCROLLING
1480 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1481 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1482 int dist;
1483
1484 R->pending_scroll_selection=1;
1485
1486 /* don't clobber the current delay if we are
1487 * already in the middle of scrolling.
1488 */
1489 if (R->scroll_selection_delay<=0)
1490 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1491
1492 /* save the event params so we can highlight
1493 * the selection in the pending-scroll loop
1494 */
1495 R->selection_save_x=ev->xbutton.x;
1496 R->selection_save_y=ev->xbutton.y;
1497 R->selection_save_state=
1498 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1499
1500 /* calc number of lines to scroll */
1501 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1502 R->scroll_selection_dir = UP;
1503 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1504 }
1505 else {
1506 R->scroll_selection_dir = DN;
1507 dist = ev->xbutton.y -
1508 (R->TermWin.int_bwidth + R->TermWin.height);
1509 }
1510 R->scroll_selection_lines=(Pixel2Height(dist)/
1511 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1512 MIN_IT(R->scroll_selection_lines,
1513 SELECTION_SCROLL_MAX_LINES);
1514 }
1515 else {
1516 /* we are within the text window, so we
1517 * shouldn't be scrolling
1518 */
1519 R->pending_scroll_selection = 0;
1520 }
1521 #endif
1522 #ifdef MOUSE_THRESHOLD
1523 }
1524 #endif
1525 }
1526 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1527 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1528 MotionNotify, ev)) ;
1529 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1530 &unused_root, &unused_child,
1531 &unused_root_x, &unused_root_y,
1532 &(ev->xbutton.x), &(ev->xbutton.y),
1533 &unused_mask);
1534 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1535 scrollbar_size());
1536 rxvt_scr_refresh(aR_ R->refresh_type);
1537 R->refresh_limit = 0;
1538 rxvt_scrollbar_show(aR_ 1);
1539 }
1540 break;
1541 }
1542 }
1543
1544 /* INTPROTO */
1545 void
1546 rxvt_button_press(pR_ XButtonEvent *ev)
1547 {
1548 int reportmode = 0, clickintime;
1549
1550 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1551 if (!R->bypass_keystate)
1552 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1553 /*
1554 * VT window processing of button press
1555 */
1556 if (ev->window == R->TermWin.vt)
1557 {
1558 #if RXVT_GRAPHICS
1559 if (ev->subwindow != None)
1560 rxvt_Gr_ButtonPress(ev->x, ev->y);
1561 else
1562 #endif
1563 {
1564 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1565 if (reportmode)
1566 {
1567 /* mouse report from vt window */
1568 /* save the xbutton state (for ButtonRelease) */
1569 R->MEvent.state = ev->state;
1570 #ifdef MOUSE_REPORT_DOUBLECLICK
1571 if (ev->button == R->MEvent.button && clickintime)
1572 {
1573 /* same button, within alloted time */
1574 R->MEvent.clicks++;
1575 if (R->MEvent.clicks > 1)
1576 {
1577 /* only report double clicks */
1578 R->MEvent.clicks = 2;
1579 rxvt_mouse_report(aR_ ev);
1580
1581 /* don't report the release */
1582 R->MEvent.clicks = 0;
1583 R->MEvent.button = AnyButton;
1584 }
1585 }
1586 else
1587 {
1588 /* different button, or time expired */
1589 R->MEvent.clicks = 1;
1590 R->MEvent.button = ev->button;
1591 rxvt_mouse_report(aR_ ev);
1592 }
1593 #else
1594 R->MEvent.button = ev->button;
1595 rxvt_mouse_report(aR_ ev);
1596 #endif /* MOUSE_REPORT_DOUBLECLICK */
1597 }
1598 else
1599 {
1600 if (ev->button != R->MEvent.button)
1601 R->MEvent.clicks = 0;
1602 switch (ev->button)
1603 {
1604 case Button1:
1605 if (R->MEvent.button == Button1 && clickintime)
1606 R->MEvent.clicks++;
1607 else
1608 R->MEvent.clicks = 1;
1609 rxvt_selection_click(aR_ R->MEvent.clicks, ev->x, ev->y);
1610 R->MEvent.button = Button1;
1611 break;
1612
1613 case Button3:
1614 if (R->MEvent.button == Button3 && clickintime)
1615 rxvt_selection_rotate(aR_ ev->x, ev->y);
1616 else
1617 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1618 R->MEvent.button = Button3;
1619 break;
1620 }
1621 }
1622 R->MEvent.time = ev->time;
1623 return;
1624 }
1625 }
1626
1627 /*
1628 * Scrollbar window processing of button press
1629 */
1630 if (isScrollbarWindow(ev->window))
1631 {
1632 scrollbar_setIdle();
1633 /*
1634 * Rxvt-style scrollbar:
1635 * move up if mouse is above slider
1636 * move dn if mouse is below slider
1637 *
1638 * XTerm-style scrollbar:
1639 * Move display proportional to pointer location
1640 * pointer near top -> scroll one line
1641 * pointer near bot -> scroll full page
1642 */
1643 #ifndef NO_SCROLLBAR_REPORT
1644 if (reportmode) {
1645 /*
1646 * Mouse report disabled scrollbar:
1647 * arrow buttons - send up/down
1648 * click on scrollbar - send pageup/down
1649 */
1650 if ((R->scrollBar.style == R_SB_NEXT
1651 && scrollbarnext_upButton(ev->y))
1652 || (R->scrollBar.style == R_SB_RXVT
1653 && scrollbarrxvt_upButton(ev->y)))
1654 R->tt_printf("\033[A");
1655 else if ((R->scrollBar.style == R_SB_NEXT
1656 && scrollbarnext_dnButton(ev->y))
1657 || (R->scrollBar.style == R_SB_RXVT
1658 && scrollbarrxvt_dnButton(ev->y)))
1659 R->tt_printf("\033[B");
1660 else
1661 switch (ev->button) {
1662 case Button2:
1663 R->tt_printf("\014");
1664 break;
1665 case Button1:
1666 R->tt_printf("\033[6~");
1667 break;
1668 case Button3:
1669 R->tt_printf("\033[5~");
1670 break;
1671 }
1672 }
1673 else
1674 #endif /* NO_SCROLLBAR_REPORT */
1675 {
1676 char upordown = 0;
1677
1678 if (R->scrollBar.style == R_SB_NEXT) {
1679 if (scrollbarnext_upButton(ev->y))
1680 upordown = -1; /* up */
1681 else if (scrollbarnext_dnButton(ev->y))
1682 upordown = 1; /* down */
1683 } else if (R->scrollBar.style == R_SB_RXVT) {
1684 if (scrollbarrxvt_upButton(ev->y))
1685 upordown = -1; /* up */
1686 else if (scrollbarrxvt_dnButton(ev->y))
1687 upordown = 1; /* down */
1688 }
1689 if (upordown) {
1690 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1691 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1692 #endif
1693 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1694 if (upordown < 0)
1695 scrollbar_setUp();
1696 else
1697 scrollbar_setDn();
1698 }
1699 } else
1700 switch (ev->button) {
1701 case Button2:
1702 switch (R->scrollbar_align) {
1703 case R_SB_ALIGN_TOP:
1704 R->csrO = 0;
1705 break;
1706 case R_SB_ALIGN_CENTRE:
1707 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1708 break;
1709 case R_SB_ALIGN_BOTTOM:
1710 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1711 break;
1712 }
1713 if (R->scrollBar.style == R_SB_XTERM
1714 || scrollbar_above_slider(ev->y)
1715 || scrollbar_below_slider(ev->y))
1716 rxvt_scr_move_to(aR_
1717 scrollbar_position(ev->y) - R->csrO,
1718 scrollbar_size());
1719 scrollbar_setMotion();
1720 break;
1721
1722 case Button1:
1723 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1724 R->csrO = ev->y - R->scrollBar.top;
1725 /* FALLTHROUGH */
1726
1727 case Button3:
1728 if (R->scrollBar.style != R_SB_XTERM) {
1729 if (scrollbar_above_slider(ev->y))
1730 # ifdef RXVT_SCROLL_FULL
1731 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1732 # else
1733 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1734 # endif
1735 else if (scrollbar_below_slider(ev->y))
1736 # ifdef RXVT_SCROLL_FULL
1737 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1738 # else
1739 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1740 # endif
1741 else
1742 scrollbar_setMotion();
1743 } else {
1744 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1745 (R->TermWin.nrow
1746 * scrollbar_position(ev->y)
1747 / scrollbar_size()));
1748 }
1749 break;
1750 }
1751 }
1752 return;
1753 }
1754 #if MENUBAR
1755 /*
1756 * Menubar window processing of button press
1757 */
1758 if (isMenuBarWindow(ev->window))
1759 rxvt_menubar_control(aR_ ev);
1760 #endif
1761 }
1762
1763 /* INTPROTO */
1764 void
1765 rxvt_button_release(pR_ XButtonEvent *ev)
1766 {
1767 int reportmode = 0;
1768
1769 R->csrO = 0; /* reset csr Offset */
1770 if (!R->bypass_keystate)
1771 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1772
1773 if (scrollbar_isUpDn()) {
1774 scrollbar_setIdle();
1775 rxvt_scrollbar_show(aR_ 0);
1776 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1777 R->refresh_type &= ~SMOOTH_REFRESH;
1778 #endif
1779 }
1780 #ifdef SELECTION_SCROLLING
1781 R->pending_scroll_selection=0;
1782 #endif
1783 if (ev->window == R->TermWin.vt)
1784 {
1785 #ifdef RXVT_GRAPHICS
1786 if (ev->subwindow != None)
1787 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1788 else
1789 #endif
1790 {
1791 if (reportmode)
1792 {
1793 /* mouse report from vt window */
1794 /* don't report release of wheel "buttons" */
1795 if (ev->button >= 4)
1796 return;
1797 #ifdef MOUSE_REPORT_DOUBLECLICK
1798 /* only report the release of 'slow' single clicks */
1799 if (R->MEvent.button != AnyButton
1800 && (ev->button != R->MEvent.button
1801 || (ev->time - R->MEvent.time
1802 > MULTICLICK_TIME / 2)))
1803 {
1804 R->MEvent.clicks = 0;
1805 R->MEvent.button = AnyButton;
1806 rxvt_mouse_report(aR_ ev);
1807 }
1808 #else /* MOUSE_REPORT_DOUBLECLICK */
1809 R->MEvent.button = AnyButton;
1810 rxvt_mouse_report(aR_ ev);
1811 #endif /* MOUSE_REPORT_DOUBLECLICK */
1812 return;
1813 }
1814 /*
1815 * dumb hack to compensate for the failure of click-and-drag
1816 * when overriding mouse reporting
1817 */
1818 if (R->PrivateModes & PrivMode_mouse_report
1819 && R->bypass_keystate
1820 && ev->button == Button1 && R->MEvent.clicks <= 1)
1821 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1822
1823 switch (ev->button) {
1824 case Button1:
1825 case Button3:
1826 rxvt_selection_make(aR_ ev->time);
1827 break;
1828 case Button2:
1829 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1830 break;
1831 #ifdef MOUSE_WHEEL
1832 case Button4:
1833 case Button5:
1834 {
1835 int i, v;
1836
1837 v = (ev->button == Button4) ? UP : DN;
1838 if (ev->state & ShiftMask)
1839 i = 1;
1840 else if ((R->Options & Opt_mouseWheelScrollPage))
1841 i = R->TermWin.nrow - 1;
1842 else
1843 i = 5;
1844 # ifdef MOUSE_SLIP_WHEELING
1845 if (ev->state & ControlMask)
1846 {
1847 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1848 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1849 }
1850 # endif
1851 # ifdef JUMP_MOUSE_WHEEL
1852 rxvt_scr_page(aR_ v, i);
1853 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1854 rxvt_scrollbar_show(aR_ 1);
1855 # else
1856 for (; i--;)
1857 {
1858 rxvt_scr_page(aR_ v, 1);
1859 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1860 rxvt_scrollbar_show(aR_ 1);
1861 }
1862 # endif
1863 }
1864 break;
1865 #endif
1866 }
1867 }
1868 }
1869 #ifdef MENUBAR
1870 else if (isMenuBarWindow(ev->window))
1871 rxvt_menubar_control(aR_ ev);
1872 #endif
1873 }
1874
1875
1876 #ifdef TRANSPARENT
1877 /*
1878 * Check our parents are still who we think they are.
1879 * Do transparency updates if required
1880 */
1881 /* EXTPROTO */
1882 int
1883 rxvt_check_our_parents(pR)
1884 {
1885 int i, pchanged, aformat, have_pixmap, rootdepth;
1886 unsigned long nitems, bytes_after;
1887 Atom atype;
1888 unsigned char *prop = NULL;
1889 Window root, oldp, *list;
1890 Pixmap rootpixmap = None;
1891 XWindowAttributes wattr, wrootattr;
1892
1893 pchanged = 0;
1894
1895 if (!(R->Options & Opt_transparent))
1896 return pchanged; /* Don't try any more */
1897
1898 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1899 rootdepth = wrootattr.depth;
1900
1901 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1902 if (rootdepth != wattr.depth) {
1903 if (R->am_transparent) {
1904 pchanged = 1;
1905 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1906 R->PixColors[Color_bg]);
1907 R->am_transparent = R->am_pixmap_trans = 0;
1908 }
1909 return pchanged; /* Don't try any more */
1910 }
1911
1912 /* Get all X ops out of the queue so that our information is up-to-date. */
1913 XSync(R->Xdisplay, False);
1914
1915 /*
1916 * Make the frame window set by the window manager have
1917 * the root background. Some window managers put multiple nested frame
1918 * windows for each client, so we have to take care about that.
1919 */
1920 i = (R->xa[XA_XROOTPMAPID] != 0
1921 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1922 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1923 &nitems, &bytes_after, &prop) == Success));
1924 if (!i || prop == NULL)
1925 have_pixmap = 0;
1926 else {
1927 have_pixmap = 1;
1928 rootpixmap = *((Pixmap *)prop);
1929 XFree(prop);
1930 }
1931 if (have_pixmap) {
1932 /*
1933 * Copy Xroot pixmap transparency
1934 */
1935 int sx, sy, nx, ny;
1936 unsigned int nw, nh;
1937 Window cr;
1938 XImage *image;
1939 GC gc;
1940 XGCValues gcvalue;
1941
1942 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1943 0, 0, &sx, &sy, &cr);
1944 nw = (unsigned int)R->szHint.width;
1945 nh = (unsigned int)R->szHint.height;
1946 nx = ny = 0;
1947 if (sx < 0) {
1948 nw += sx;
1949 nx = -sx;
1950 sx = 0;
1951 }
1952 if (sy < 0) {
1953 nh += sy;
1954 ny = -sy;
1955 sy = 0;
1956 }
1957 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1958 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1959 R->allowedxerror = -1;
1960 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1961 ZPixmap);
1962 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1963 /* XXX: may need a delay here? */
1964 R->allowedxerror = 0;
1965 if (image == NULL) {
1966 if (R->am_transparent && R->am_pixmap_trans) {
1967 pchanged = 1;
1968 if (R->TermWin.pixmap != None) {
1969 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1970 R->TermWin.pixmap = None;
1971 }
1972 }
1973 R->am_pixmap_trans = 0;
1974 } else {
1975 if (R->TermWin.pixmap != None)
1976 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1977 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1978 (unsigned int)R->szHint.width,
1979 (unsigned int)R->szHint.height,
1980 (unsigned int)image->depth);
1981 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1982 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1983 nx, ny, (unsigned int)image->width,
1984 (unsigned int)image->height);
1985 XFreeGC(R->Xdisplay, gc);
1986 XDestroyImage(image);
1987 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
1988 R->TermWin.pixmap);
1989 if (!R->am_transparent || !R->am_pixmap_trans)
1990 pchanged = 1;
1991 R->am_transparent = R->am_pixmap_trans = 1;
1992 }
1993 }
1994 if (!R->am_pixmap_trans) {
1995 unsigned int n;
1996 /*
1997 * InheritPixmap transparency
1998 */
1999 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
2000 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
2001 i++) {
2002 oldp = R->TermWin.parent[i];
2003 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2004 &R->TermWin.parent[i], &list, &n);
2005 XFree(list);
2006 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2007 if (R->TermWin.parent[i] == Xroot) {
2008 if (oldp != None)
2009 pchanged = 1;
2010 break;
2011 }
2012 if (oldp != R->TermWin.parent[i])
2013 pchanged = 1;
2014 }
2015 n = 0;
2016 if (pchanged) {
2017 for (; n < (unsigned int)i; n++) {
2018 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2019 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2020 if (wattr.depth != rootdepth || wattr.class == InputOnly) {
2021 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2022 break;
2023 }
2024 }
2025 }
2026 if (n > (int)(sizeof(R->TermWin.parent)
2027 / sizeof(R->TermWin.parent[0]))) {
2028 D_X((stderr, "InheritPixmap Turning off"));
2029 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2030 R->PixColors[Color_fg]);
2031 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2032 R->PixColors[Color_bg]);
2033 R->am_transparent = 0;
2034 /* XXX: also turn off Opt_transparent? */
2035 } else {
2036 /* wait (an arbitrary period) for the WM to do its thing
2037 * needed for fvwm2.2.2 (and before?) */
2038 # ifdef HAVE_NANOSLEEP
2039 struct timespec rqt;
2040
2041 rqt.tv_sec = 1;
2042 rqt.tv_nsec = 0;
2043 nanosleep(&rqt, NULL);
2044 # else
2045 sleep(1);
2046 # endif
2047 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2048 for (n = 0; n < (unsigned int)i; n++)
2049 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2050 ParentRelative);
2051 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2052 ParentRelative);
2053 R->am_transparent = 1;
2054 }
2055 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2056 R->TermWin.parent[i] = None;
2057 }
2058 return pchanged;
2059 }
2060 #endif
2061
2062 /*}}} */
2063
2064 /*{{{ print pipe */
2065 /*----------------------------------------------------------------------*/
2066 #ifdef PRINTPIPE
2067 /* EXTPROTO */
2068 FILE *
2069 rxvt_popen_printer(pR)
2070 {
2071 FILE *stream = popen(R->rs[Rs_print_pipe], "w");
2072
2073 if (stream == NULL)
2074 rxvt_print_error("can't open printer pipe");
2075 return stream;
2076 }
2077
2078 /* EXTPROTO */
2079 int
2080 rxvt_pclose_printer (FILE *stream)
2081 {
2082 fflush (stream);
2083 /* pclose() reported not to work on SunOS 4.1.3 */
2084 # if defined (__sun__) /* TODO: RESOLVE THIS */
2085 /* pclose works provided SIGCHLD handler uses waitpid */
2086 return pclose (stream); /* return fclose (stream); */
2087 # else
2088 return pclose (stream);
2089 # endif
2090 }
2091
2092 /*
2093 * simulate attached vt100 printer
2094 */
2095 /* INTPROTO */
2096 void
2097 rxvt_process_print_pipe(pR)
2098 {
2099 int done;
2100 FILE *fd;
2101
2102 if ((fd = rxvt_popen_printer(aR)) == NULL)
2103 return;
2104
2105 /*
2106 * Send all input to the printer until either ESC[4i or ESC[?4i
2107 * is received.
2108 */
2109 for (done = 0; !done;) {
2110 unsigned char buf[8];
2111 unsigned char ch;
2112 unsigned int i, len;
2113
2114 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2115 if (putc(ch, fd) == EOF)
2116 break; /* done = 1 */
2117 } else {
2118 len = 0;
2119 buf[len++] = ch;
2120
2121 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2122 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2123 buf[len++] = '?';
2124 ch = rxvt_cmd_getc(aR);
2125 }
2126 if ((buf[len++] = ch) == '4') {
2127 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2128 break; /* done = 1 */
2129 }
2130 }
2131 for (i = 0; i < len; i++)
2132 if (putc(buf[i], fd) == EOF) {
2133 done = 1;
2134 break;
2135 }
2136 }
2137 }
2138 rxvt_pclose_printer(fd);
2139 }
2140 #endif /* PRINTPIPE */
2141 /*}}} */
2142
2143 /* *INDENT-OFF* */
2144 enum {
2145 C1_40 = 0x40,
2146 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2147 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2148 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2149 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2150 };
2151 /* *INDENT-ON* */
2152
2153 /*{{{ process non-printing single characters */
2154 /* INTPROTO */
2155 void
2156 rxvt_process_nonprinting(pR_ unsigned char ch)
2157 {
2158 switch (ch) {
2159 case C0_ENQ: /* terminal Status */
2160 if (R->rs[Rs_answerbackstring])
2161 R->tt_write(
2162 (const unsigned char *)R->rs[Rs_answerbackstring],
2163 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2164 else
2165 R->tt_write((unsigned char *)VT100_ANS,
2166 (unsigned int)STRLEN(VT100_ANS));
2167 break;
2168 case C0_BEL: /* bell */
2169 rxvt_scr_bell(aR);
2170 break;
2171 case C0_BS: /* backspace */
2172 rxvt_scr_backspace(aR);
2173 break;
2174 case C0_HT: /* tab */
2175 rxvt_scr_tab(aR_ 1);
2176 break;
2177 case C0_CR: /* carriage return */
2178 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2179 break;
2180 case C0_VT: /* vertical tab, form feed */
2181 case C0_FF:
2182 case C0_LF: /* line feed */
2183 rxvt_scr_index(aR_ UP);
2184 break;
2185 case C0_SO: /* shift out - acs */
2186 rxvt_scr_charset_choose(aR_ 1);
2187 break;
2188 case C0_SI: /* shift in - acs */
2189 rxvt_scr_charset_choose(aR_ 0);
2190 break;
2191 }
2192 }
2193 /*}}} */
2194
2195
2196 /*{{{ process VT52 escape sequences */
2197 /* INTPROTO */
2198 void
2199 rxvt_process_escape_vt52(pR_ unsigned char ch)
2200 {
2201 int row, col;
2202
2203 switch (ch) {
2204 case 'A': /* cursor up */
2205 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2206 break;
2207 case 'B': /* cursor down */
2208 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2209 break;
2210 case 'C': /* cursor right */
2211 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2212 break;
2213 case 'D': /* cursor left */
2214 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2215 break;
2216 case 'H': /* cursor home */
2217 rxvt_scr_gotorc(aR_ 0, 0, 0);
2218 break;
2219 case 'I': /* cursor up and scroll down if needed */
2220 rxvt_scr_index(aR_ DN);
2221 break;
2222 case 'J': /* erase to end of screen */
2223 rxvt_scr_erase_screen(aR_ 0);
2224 break;
2225 case 'K': /* erase to end of line */
2226 rxvt_scr_erase_line(aR_ 0);
2227 break;
2228 case 'Y': /* move to specified row and col */
2229 /* full command is 'ESC Y row col' where row and col
2230 * are encoded by adding 32 and sending the ascii
2231 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2232 * etc. */
2233 row = rxvt_cmd_getc(aR) - ' ';
2234 col = rxvt_cmd_getc(aR) - ' ';
2235 rxvt_scr_gotorc(aR_ row, col, 0);
2236 break;
2237 case 'Z': /* identify the terminal type */
2238 R->tt_printf("\033/Z"); /* I am a VT100 emulating a VT52 */
2239 break;
2240 case '<': /* turn off VT52 mode */
2241 PrivMode(0, PrivMode_vt52);
2242 break;
2243 case 'F': /* use special graphics character set */
2244 case 'G': /* use regular character set */
2245 /* unimplemented */
2246 break;
2247 case '=': /* use alternate keypad mode */
2248 case '>': /* use regular keypad mode */
2249 /* unimplemented */
2250 break;
2251 }
2252 }
2253 /*}}} */
2254
2255
2256 /*{{{ process escape sequences */
2257 /* INTPROTO */
2258 void
2259 rxvt_process_escape_seq(pR)
2260 {
2261 unsigned char ch = rxvt_cmd_getc(aR);
2262
2263 if (R->PrivateModes & PrivMode_vt52) {
2264 rxvt_process_escape_vt52(aR_ ch);
2265 return;
2266 }
2267
2268 switch (ch) {
2269 /* case 1: do_tek_mode (); break; */
2270 case '#':
2271 if (rxvt_cmd_getc(aR) == '8')
2272 rxvt_scr_E(aR);
2273 break;
2274 case '(':
2275 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2276 break;
2277 case ')':
2278 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2279 break;
2280 case '*':
2281 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2282 break;
2283 case '+':
2284 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2285 break;
2286 #ifdef MULTICHAR_SET
2287 case '$':
2288 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2289 break;
2290 #endif
2291 #ifndef NO_FRILLS
2292 case '6':
2293 rxvt_scr_backindex(aR);
2294 break;
2295 #endif
2296 case '7':
2297 rxvt_scr_cursor(aR_ SAVE);
2298 break;
2299 case '8':
2300 rxvt_scr_cursor(aR_ RESTORE);
2301 break;
2302 #ifndef NO_FRILLS
2303 case '9':
2304 rxvt_scr_forwardindex(aR);
2305 break;
2306 #endif
2307 case '=':
2308 case '>':
2309 PrivMode((ch == '='), PrivMode_aplKP);
2310 break;
2311
2312 case C1_40:
2313 rxvt_cmd_getc(aR);
2314 break;
2315 case C1_44:
2316 rxvt_scr_index(aR_ UP);
2317 break;
2318
2319 /* 8.3.87: NEXT LINE */
2320 case C1_NEL: /* ESC E */
2321 {
2322 uint32_t nlcr[] = { '\n', '\r' };
2323 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2324 }
2325 break;
2326
2327 /* kidnapped escape sequence: Should be 8.3.48 */
2328 case C1_ESA: /* ESC G */
2329 rxvt_process_graphics(aR);
2330 break;
2331
2332 /* 8.3.63: CHARACTER TABULATION SET */
2333 case C1_HTS: /* ESC H */
2334 rxvt_scr_set_tab(aR_ 1);
2335 break;
2336
2337 /* 8.3.105: REVERSE LINE FEED */
2338 case C1_RI: /* ESC M */
2339 rxvt_scr_index(aR_ DN);
2340 break;
2341
2342 /* 8.3.142: SINGLE-SHIFT TWO */
2343 /*case C1_SS2: scr_single_shift (2); break; */
2344
2345 /* 8.3.143: SINGLE-SHIFT THREE */
2346 /*case C1_SS3: scr_single_shift (3); break; */
2347
2348 /* 8.3.27: DEVICE CONTROL STRING */
2349 case C1_DCS: /* ESC P */
2350 rxvt_process_dcs_seq(aR);
2351 break;
2352
2353 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2354 case C1_SCI: /* ESC Z */
2355 R->tt_write((const unsigned char *)ESCZ_ANSWER,
2356 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2357 break; /* steal obsolete ESC [ c */
2358
2359 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2360 case C1_CSI: /* ESC [ */
2361 rxvt_process_csi_seq(aR);
2362 break;
2363
2364 /* 8.3.90: OPERATING SYSTEM COMMAND */
2365 case C1_OSC: /* ESC ] */
2366 rxvt_process_osc_seq(aR);
2367 break;
2368
2369 /* 8.3.106: RESET TO INITIAL STATE */
2370 case 'c':
2371 rxvt_scr_poweron(aR);
2372 rxvt_scrollbar_show(aR_ 1);
2373 break;
2374
2375 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2376 case 'n':
2377 rxvt_scr_charset_choose(aR_ 2);
2378 break;
2379
2380 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2381 case 'o':
2382 rxvt_scr_charset_choose(aR_ 3);
2383 break;
2384 }
2385 }
2386 /*}}} */
2387
2388 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2389 /* *INDENT-OFF* */
2390 enum {
2391 CSI_ICH = 0x40,
2392 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2393 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2394 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2395 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2396 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2397 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2398 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2399 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2400 };
2401
2402 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2403 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2404 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2405 #define get_byte_array_bit(array, bit) \
2406 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2407
2408 const unsigned char csi_defaults[] = {
2409 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2410 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2411 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2412 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2413 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2414 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2415 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2416 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2417 };
2418 /* *INDENT-ON* */
2419
2420 /* INTPROTO */
2421 void
2422 rxvt_process_csi_seq(pR)
2423 {
2424 unsigned char ch, priv, i;
2425 unsigned int nargs, p;
2426 int n, ndef;
2427 int arg[ESC_ARGS];
2428
2429 for (nargs = ESC_ARGS; nargs > 0;)
2430 arg[--nargs] = 0;
2431
2432 priv = 0;
2433 ch = rxvt_cmd_getc(aR);
2434 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2435 priv = ch;
2436 ch = rxvt_cmd_getc(aR);
2437 }
2438 /* read any numerical arguments */
2439 for (n = -1; ch < CSI_ICH; ) {
2440 if (isdigit(ch)) {
2441 if (n < 0)
2442 n = ch - '0';
2443 else
2444 n = n * 10 + ch - '0';
2445 } else if (ch == ';') {
2446 if (nargs < ESC_ARGS)
2447 arg[nargs++] = n;
2448 n = -1;
2449 } else if (ch == '\b') {
2450 rxvt_scr_backspace(aR);
2451 } else if (ch == C0_ESC) {
2452 rxvt_process_escape_seq(aR);
2453 return;
2454 } else if (ch < ' ') {
2455 rxvt_process_nonprinting(aR_ ch);
2456 }
2457 ch = rxvt_cmd_getc(aR);
2458 }
2459
2460 if (ch > CSI_7F)
2461 return;
2462
2463 if (nargs < ESC_ARGS)
2464 arg[nargs++] = n;
2465
2466 i = ch - CSI_ICH;
2467 ndef = get_byte_array_bit(csi_defaults, i);
2468 for (p = 0; p < nargs; p++)
2469 if (arg[p] == -1)
2470 arg[p] = ndef;
2471
2472 #ifdef DEBUG_CMD
2473 fprintf(stderr, "CSI ");
2474 for (p = 0; p < nargs; p++)
2475 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2476 fprintf(stderr, "%c\n", ch);
2477 #endif
2478
2479 /*
2480 * private mode handling
2481 */
2482 if (priv) {
2483 switch (priv) {
2484 case '>':
2485 if (ch == CSI_DA) /* secondary device attributes */
2486 R->tt_printf("\033[>%d;%-.8s;0c", 'R', VSTRING);
2487 break;
2488 case '?':
2489 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2490 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2491 break;
2492 }
2493 return;
2494 }
2495
2496 switch (ch) {
2497 /*
2498 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2499 */
2500 #ifdef PRINTPIPE
2501 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2502 switch (arg[0]) {
2503 case 0: /* initiate transfer to primary aux device */
2504 rxvt_scr_printscreen(aR_ 0);
2505 break;
2506 case 5: /* start relay to primary aux device */
2507 rxvt_process_print_pipe(aR);
2508 break;
2509 }
2510 break;
2511 #endif
2512
2513 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2514 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2515 arg[0] = -arg[0];
2516 /* FALLTHROUGH */
2517 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2518 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2519 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2520 break;
2521
2522 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2523 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2524 #ifdef ISO6429
2525 arg[0] = -arg[0];
2526 #else /* emulate common DEC VTs */
2527 arg[0] = arg[0] ? -arg[0] : -1;
2528 #endif
2529 /* FALLTHROUGH */
2530 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2531 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2532 #ifdef ISO6429
2533 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2534 #else /* emulate common DEC VTs */
2535 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2536 #endif
2537 break;
2538
2539 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2540 arg[0] = -arg[0];
2541 /* FALLTHROUGH */
2542 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2543 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2544 break;
2545
2546 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2547 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2548 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2549 break;
2550
2551 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2552 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2553 break;
2554
2555 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2556 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2557 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2558 break;
2559
2560 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2561 arg[0] = -arg[0];
2562 /* FALLTHROUGH */
2563 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2564 rxvt_scr_tab(aR_ arg[0]);
2565 break;
2566
2567 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2568 rxvt_scr_erase_screen(aR_ arg[0]);
2569 break;
2570
2571 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2572 rxvt_scr_erase_line(aR_ arg[0]);
2573 break;
2574
2575 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2576 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2577 break;
2578
2579 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2580 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2581 break;
2582
2583 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2584 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2585 break;
2586
2587 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2588 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2589 break;
2590
2591 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2592 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2593 break;
2594
2595 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2596 arg[0] = -arg[0];
2597 /* FALLTHROUGH */
2598 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2599 R->scr_scroll_text (R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2600 break;
2601
2602 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2603 R->tt_write((const unsigned char *)VT100_ANS,
2604 (unsigned int)(sizeof(VT100_ANS) - 1));
2605 break;
2606
2607 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2608 rxvt_process_sgr_mode(aR_ nargs, arg);
2609 break;
2610
2611 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2612 switch (arg[0]) {
2613 case 5: /* DSR requested */
2614 R->tt_printf("\033[0n");
2615 break;
2616 case 6: /* CPR requested */
2617 rxvt_scr_report_position(aR);
2618 break;
2619 #if defined (ENABLE_DISPLAY_ANSWER)
2620 case 7: /* unofficial extension */
2621 R->tt_printf("%-.250s\n", R->rs[Rs_display_name]);
2622 break;
2623 #endif
2624 case 8: /* unofficial extension */
2625 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2626 break;
2627 }
2628 break;
2629
2630 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2631 switch (arg[0]) {
2632 case 0: /* char tab stop cleared at active position */
2633 rxvt_scr_set_tab(aR_ 0);
2634 break;
2635 /* case 1: */ /* line tab stop cleared in active line */
2636 /* case 2: */ /* char tab stops cleared in active line */
2637 case 3: /* all char tab stops are cleared */
2638 /* case 4: */ /* all line tab stops are cleared */
2639 case 5: /* all tab stops are cleared */
2640 rxvt_scr_set_tab(aR_ -1);
2641 break;
2642 }
2643 break;
2644
2645 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2646 switch (arg[0]) {
2647 case 0: /* char tab stop set at active position */
2648 rxvt_scr_set_tab(aR_ 1);
2649 break; /* = ESC H */
2650 /* case 1: */ /* line tab stop set at active line */
2651 case 2: /* char tab stop cleared at active position */
2652 rxvt_scr_set_tab(aR_ 0);
2653 break; /* = ESC [ 0 g */
2654 /* case 3: */ /* line tab stop cleared at active line */
2655 /* case 4: */ /* char tab stops cleared at active line */
2656 case 5: /* all char tab stops are cleared */
2657 rxvt_scr_set_tab(aR_ -1);
2658 break; /* = ESC [ 3 g */
2659 /* case 6: */ /* all line tab stops are cleared */
2660 }
2661 break;
2662
2663 case CSI_RM: /* 8.3.107: RESET MODE */
2664 if (arg[0] == 4)
2665 rxvt_scr_insert_mode(aR_ 0);
2666 break;
2667
2668 case CSI_SM: /* 8.3.126: SET MODE */
2669 if (arg[0] == 4)
2670 rxvt_scr_insert_mode(aR_ 1);
2671 break;
2672
2673 /*
2674 * PRIVATE USE beyond this point. All CSI_7? sequences here
2675 */
2676 case CSI_72: /* DECSTBM: set top and bottom margins */
2677 if (nargs == 1)
2678 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2679 else if (nargs == 0 || arg[0] >= arg[1])
2680 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2681 else
2682 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2683 break;
2684
2685 case CSI_73:
2686 rxvt_scr_cursor(aR_ SAVE);
2687 break;
2688 case CSI_75:
2689 rxvt_scr_cursor(aR_ RESTORE);
2690 break;
2691
2692 #ifndef NO_FRILLS
2693 case CSI_74:
2694 rxvt_process_window_ops(aR_ arg, nargs);
2695 break;
2696 #endif
2697
2698 case CSI_78: /* DECREQTPARM */
2699 if (arg[0] == 0 || arg[0] == 1)
2700 R->tt_printf("\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2701 /* FALLTHROUGH */
2702
2703 default:
2704 break;
2705 }
2706 }
2707 /*}}} */
2708
2709 #ifndef NO_FRILLS
2710 /* ARGSUSED */
2711 /* INTPROTO */
2712 void
2713 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2714 {
2715 int x, y;
2716 #if 0
2717 char *s;
2718 #endif
2719 XWindowAttributes wattr;
2720 Window wdummy;
2721
2722 if (nargs == 0)
2723 return;
2724 switch (args[0]) {
2725 /*
2726 * commands
2727 */
2728 case 1: /* deiconify window */
2729 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2730 break;
2731 case 2: /* iconify window */
2732 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2733 DefaultScreen(R->Xdisplay));
2734 break;
2735 case 3: /* set position (pixels) */
2736 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2737 break;
2738 case 4: /* set size (pixels) */
2739 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2740 break;
2741 case 5: /* raise window */
2742 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2743 break;
2744 case 6: /* lower window */
2745 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2746 break;
2747 case 7: /* refresh window */
2748 rxvt_scr_touch(aR_ True);
2749 break;
2750 case 8: /* set size (chars) */
2751 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2752 (unsigned int)(args[1] * R->TermWin.fheight));
2753 break;
2754 default:
2755 if (args[0] >= 24) /* set height (chars) */
2756 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2757 (unsigned int)(args[1] * R->TermWin.fheight));
2758 break;
2759 /*
2760 * reports - some output format copied from XTerm
2761 */
2762 case 11: /* report window state */
2763 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2764 R->tt_printf("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2765 break;
2766 case 13: /* report window position */
2767 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2768 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2769 -wattr.border_width, -wattr.border_width,
2770 &x, &y, &wdummy);
2771 R->tt_printf("\033[3;%d;%dt", x, y);
2772 break;
2773 case 14: /* report window size (pixels) */
2774 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2775 R->tt_printf("\033[4;%d;%dt", wattr.height, wattr.width);
2776 break;
2777 case 18: /* report window size (chars) */
2778 R->tt_printf("\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2779 break;
2780 #if 0 /* XXX: currently disabled due to security concerns */
2781 case 20: /* report icon label */
2782 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2783 R->tt_printf("\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2784 break;
2785 case 21: /* report window title */
2786 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2787 R->tt_printf("\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2788 break;
2789 #endif
2790 }
2791 }
2792 #endif
2793
2794 /*----------------------------------------------------------------------*/
2795 /*
2796 * get input up until STRING TERMINATOR (or BEL)
2797 * ends_how is terminator used. returned input must be free()d
2798 */
2799 /* INTPROTO */
2800 unsigned char *
2801 rxvt_get_to_st(pR_ unsigned char *ends_how)
2802 {
2803 int seen_esc = 0; /* seen escape? */
2804 unsigned int n = 0;
2805 unsigned char *s;
2806 unsigned char ch, string[STRING_MAX];
2807
2808 for (; (ch = rxvt_cmd_getc(aR));) {
2809 if (ch == C0_BEL
2810 || ch == CHAR_ST
2811 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2812 break;
2813 if (ch == C0_ESC) {
2814 seen_esc = 1;
2815 continue;
2816 } else if (ch == '\t')
2817 ch = ' '; /* translate '\t' to space */
2818 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2819 return NULL; /* other control character - exit */
2820 if (n < sizeof(string) - 1)
2821 string[n++] = ch;
2822 seen_esc = 0;
2823 }
2824 string[n++] = '\0';
2825 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2826 return NULL;
2827 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2828 STRNCPY(s, string, n);
2829 return s;
2830 }
2831
2832 /*----------------------------------------------------------------------*/
2833 /*
2834 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2835 */
2836 /* INTPROTO */
2837 void
2838 rxvt_process_dcs_seq(pR)
2839 {
2840 unsigned char eh, *s;
2841 /*
2842 * Not handled yet
2843 */
2844 s = rxvt_get_to_st(aR_ &eh);
2845 if (s)
2846 free(s);
2847 return;
2848 }
2849
2850 /*----------------------------------------------------------------------*/
2851 /*
2852 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2853 */
2854 /* INTPROTO */
2855 void
2856 rxvt_process_osc_seq(pR)
2857 {
2858 unsigned char ch, eh, *s;
2859 int arg;
2860
2861 ch = rxvt_cmd_getc(aR);
2862 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2863 arg = arg * 10 + (ch - '0');
2864
2865 if (ch == ';') {
2866 s = rxvt_get_to_st(aR_ &eh);
2867 if (s) {
2868 /*
2869 * rxvt_menubar_dispatch() violates the constness of the string,
2870 * so do it here
2871 */
2872 if (arg == XTerm_Menu)
2873 #if 0 /* XXX: currently disabled due to security concerns */
2874 rxvt_menubar_dispatch(aR_ (char *)s);
2875 #else
2876 0;
2877 #endif
2878 else
2879 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2880 free(s);
2881 }
2882 }
2883 }
2884 /*
2885 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2886 * 0 = change iconName/title
2887 * 1 = change iconName
2888 * 2 = change title
2889 * 4 = change color
2890 * 12 = change text color
2891 * 13 = change mouse foreground color
2892 * 17 = change highlight character colour
2893 * 18 = change bold character color
2894 * 19 = change underlined character color
2895 * 46 = change logfile (not implemented)
2896 * 50 = change font
2897 *
2898 * rxvt extensions:
2899 * 10 = menu (may change in future)
2900 * 20 = bg pixmap
2901 * 39 = change default fg color
2902 * 49 = change default bg color
2903 * 55 = dump scrollback buffer and all of screen
2904 */
2905 /* EXTPROTO */
2906 void
2907 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2908 {
2909 int changed = 0;
2910 int color;
2911 char *buf, *name;
2912
2913 assert(str != NULL);
2914 switch (op) {
2915 case XTerm_name:
2916 rxvt_set_title(aR_ str);
2917 /* FALLTHROUGH */
2918 case XTerm_iconName:
2919 rxvt_set_iconName(aR_ str);
2920 break;
2921 case XTerm_title:
2922 rxvt_set_title(aR_ str);
2923 break;
2924 case XTerm_Color:
2925 for (buf = (char *)str; buf && *buf;) {
2926 if ((name = STRCHR(buf, ';')) == NULL)
2927 break;
2928 *name++ = '\0';
2929 color = atoi(buf);
2930 if (color < 0 || color >= TOTAL_COLORS)
2931 break;
2932 if ((buf = STRCHR(name, ';')) != NULL)
2933 *buf++ = '\0';
2934 rxvt_set_window_color(aR_ color + minCOLOR, name);
2935 }
2936 break;
2937 #ifndef NO_CURSORCOLOR
2938 case XTerm_Color_cursor:
2939 rxvt_set_window_color(aR_ Color_cursor, str);
2940 break;
2941 #endif
2942 case XTerm_Color_pointer:
2943 rxvt_set_window_color(aR_ Color_pointer, str);
2944 break;
2945 #ifndef NO_BOLD_UNDERLINE_REVERSE
2946 case XTerm_Color_BD:
2947 rxvt_set_window_color(aR_ Color_BD, str);
2948 break;
2949 case XTerm_Color_UL:
2950 rxvt_set_window_color(aR_ Color_UL, str);
2951 break;
2952 case XTerm_Color_RV:
2953 rxvt_set_window_color(aR_ Color_RV, str);
2954 break;
2955 #endif
2956
2957 case XTerm_Menu:
2958 /*
2959 * rxvt_menubar_dispatch() violates the constness of the string,
2960 * so DON'T do it here
2961 */
2962 break;
2963 case XTerm_Pixmap:
2964 if (*str != ';') {
2965 #if XPM_BACKGROUND
2966 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2967 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2968 #endif
2969 rxvt_scr_touch(aR_ True);
2970 }
2971 while ((str = STRCHR(str, ';')) != NULL) {
2972 str++;
2973 #if XPM_BACKGROUND
2974 changed += rxvt_scale_pixmap(aR_ str);
2975 #endif
2976 }
2977 if (changed) {
2978 #ifdef XPM_BACKGROUND
2979 rxvt_resize_pixmap(aR);
2980 #endif
2981 rxvt_scr_touch(aR_ True);
2982 }
2983 break;
2984
2985 case XTerm_restoreFG:
2986 rxvt_set_window_color(aR_ Color_fg, str);
2987 break;
2988 case XTerm_restoreBG:
2989 rxvt_set_window_color(aR_ Color_bg, str);
2990 break;
2991 case XTerm_logfile:
2992 break;
2993 case XTerm_font:
2994 rxvt_change_font(aR_ 0, str);
2995 break;
2996 #if 0
2997 case XTerm_dumpscreen: /* no error notices */
2998 {
2999 int fd;
3000 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
3001 rxvt_scr_dump(aR_ fd);
3002 close(fd);
3003 }
3004 }
3005 break;
3006 #endif
3007 }
3008 }
3009 /*----------------------------------------------------------------------*/
3010
3011 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
3012 /*
3013 * mode can only have the following values:
3014 * 'l' = low
3015 * 'h' = high
3016 * 's' = save
3017 * 'r' = restore
3018 * 't' = toggle
3019 * so no need for fancy checking
3020 */
3021 /* INTPROTO */
3022 int
3023 rxvt_privcases(pR_ int mode, unsigned long bit)
3024 {
3025 int state;
3026
3027 if (mode == 's') {
3028 R->SavedModes |= (R->PrivateModes & bit);
3029 return -1;
3030 } else {
3031 if (mode == 'r')
3032 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */
3033 else
3034 state = (mode == 't') ? !(R->PrivateModes & bit) : mode;
3035 PrivMode(state, bit);
3036 }
3037 return state;
3038 }
3039
3040 /* we're not using priv _yet_ */
3041 /* INTPROTO */
3042 void
3043 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3044 {
3045 unsigned int i, j;
3046 int state;
3047 static const struct {
3048 const int argval;
3049 const unsigned long bit;
3050 } argtopriv[] = {
3051 { 1, PrivMode_aplCUR },
3052 { 2, PrivMode_vt52 },
3053 { 3, PrivMode_132 },
3054 { 4, PrivMode_smoothScroll },
3055 { 5, PrivMode_rVideo },
3056 { 6, PrivMode_relOrigin },
3057 { 7, PrivMode_Autowrap },
3058 { 9, PrivMode_MouseX10 },
3059 #ifdef menuBar_esc
3060 { menuBar_esc, PrivMode_menuBar },
3061 #endif
3062 #ifdef scrollBar_esc
3063 { scrollBar_esc, PrivMode_scrollBar },
3064 #endif
3065 { 25, PrivMode_VisibleCursor },
3066 { 35, PrivMode_ShiftKeys },
3067 { 40, PrivMode_132OK },
3068 { 47, PrivMode_Screen },
3069 { 66, PrivMode_aplKP },
3070 #ifndef NO_BACKSPACE_KEY
3071 { 67, PrivMode_BackSpace },
3072 #endif
3073 { 1000, PrivMode_MouseX11 },
3074 { 1010, PrivMode_TtyOutputInh },
3075 { 1011, PrivMode_Keypress },
3076 { 1047, PrivMode_Screen },
3077 };
3078
3079 if (nargs == 0)
3080 return;
3081
3082 /* make lo/hi boolean */
3083 if (mode == 'l')
3084 mode = 0; /* reset */
3085 else if (mode == 'h')
3086 mode = 1; /* set */
3087
3088 for (i = 0; i < nargs; i++) {
3089 state = -1;
3090
3091 /* basic handling */
3092 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3093 if (argtopriv[j].argval == arg[i]) {
3094 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3095 break;
3096 }
3097
3098 /* extra handling for values with state unkept */
3099 if (state == -1)
3100 switch (arg[i]) {
3101 case 1048: /* alternative cursor save */
3102 if (mode == 0)
3103 rxvt_scr_cursor(aR_ RESTORE);
3104 else if (mode == 1)
3105 rxvt_scr_cursor(aR_ SAVE);
3106 /* FALLTHROUGH */
3107 default:
3108 continue; /* for(;i;) */
3109 }
3110
3111 /* extra handling for values with valid 0 or 1 state */
3112 switch (arg[i]) {
3113 /* case 1: - application cursor keys */
3114 case 2: /* VT52 mode */
3115 /* oddball mode. should be set regardless of set/reset
3116 * parameter. Return from VT52 mode with an ESC < from
3117 * within VT52 mode
3118 */
3119 PrivMode(1, PrivMode_vt52);
3120 break;
3121 case 3: /* 80/132 */
3122 if (R->PrivateModes & PrivMode_132OK)
3123 rxvt_set_widthheight(aR_
3124 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3125 (unsigned int)R->TermWin.height);
3126 break;
3127 case 4: /* smooth scrolling */
3128 if (state)
3129 R->Options &= ~Opt_jumpScroll;
3130 else
3131 R->Options |= Opt_jumpScroll;
3132 break;
3133 case 5: /* reverse video */
3134 rxvt_scr_rvideo_mode(aR_ state);
3135 break;
3136 case 6: /* relative/absolute origins */
3137 rxvt_scr_relative_origin(aR_ state);
3138 break;
3139 case 7: /* autowrap */
3140 rxvt_scr_autowrap(aR_ state);
3141 break;
3142 /* case 8: - auto repeat, can't do on a per window basis */
3143 case 9: /* X10 mouse reporting */
3144 if (state) /* orthogonal */
3145 R->PrivateModes &= ~(PrivMode_MouseX11);
3146 break;
3147 #ifdef menuBar_esc
3148 case menuBar_esc:
3149 #ifdef MENUBAR
3150 rxvt_map_menuBar(aR_ state);
3151 #endif
3152 break;
3153 #endif
3154 #ifdef scrollBar_esc
3155 case scrollBar_esc:
3156 if (rxvt_scrollbar_mapping(aR_ state)) {
3157 rxvt_resize_all_windows(aR_ 0, 0, 0);
3158 rxvt_scr_touch(aR_ True);
3159 }
3160 break;
3161 #endif
3162 case 25: /* visible/invisible cursor */
3163 rxvt_scr_cursor_visible(aR_ state);
3164 break;
3165 /* case 35: - shift keys */
3166 /* case 40: - 80 <--> 132 mode */
3167 case 47: /* secondary screen */
3168 rxvt_scr_change_screen(aR_ state);
3169 break;
3170 /* case 66: - application key pad */
3171 /* case 67: - backspace key */
3172 case 1000: /* X11 mouse reporting */
3173 if (state) /* orthogonal */
3174 R->PrivateModes &= ~(PrivMode_MouseX10);
3175 break;
3176 #if 0
3177 case 1001:
3178 break; /* X11 mouse highlighting */
3179 #endif
3180 case 1010: /* scroll to bottom on TTY output inhibit */
3181 if (state)
3182 R->Options &= ~Opt_scrollTtyOutput;
3183 else
3184 R->Options |= Opt_scrollTtyOutput;
3185 break;
3186 case 1011: /* scroll to bottom on key press */
3187 if (state)
3188 R->Options |= Opt_scrollTtyKeypress;
3189 else
3190 R->Options &= ~Opt_scrollTtyKeypress;
3191 break;
3192 case 1047: /* secondary screen w/ clearing */
3193 if (R->current_screen != PRIMARY)
3194 rxvt_scr_erase_screen(aR_ 2);
3195 rxvt_scr_change_screen(aR_ state);
3196 /* FALLTHROUGH */
3197 default:
3198 break;
3199 }
3200 }
3201 }
3202 /*}}} */
3203
3204 /*{{{ process sgr sequences */
3205 /* INTPROTO */
3206 void
3207 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3208 {
3209 unsigned int i;
3210 short rendset;
3211 int rendstyle;
3212
3213 if (nargs == 0) {
3214 rxvt_scr_rendition(aR_ 0, ~RS_None);
3215 return;
3216 }
3217 for (i = 0; i < nargs; i++) {
3218 rendset = -1;
3219 switch (arg[i]) {
3220 case 0:
3221 rendset = 0, rendstyle = ~RS_None;
3222 break;
3223 case 1:
3224 rendset = 1, rendstyle = RS_Bold;
3225 break;
3226 case 4:
3227 rendset = 1, rendstyle = RS_Uline;
3228 break;
3229 case 5:
3230 rendset = 1, rendstyle = RS_Blink;
3231 break;
3232 case 7:
3233 rendset = 1, rendstyle = RS_RVid;
3234 break;
3235 case 22:
3236 rendset = 0, rendstyle = RS_Bold;
3237 break;
3238 case 24:
3239 rendset = 0, rendstyle = RS_Uline;
3240 break;
3241 case 25:
3242 rendset = 0, rendstyle = RS_Blink;
3243 break;
3244 case 27:
3245 rendset = 0, rendstyle = RS_RVid;
3246 break;
3247 }
3248 if (rendset != -1) {
3249 rxvt_scr_rendition(aR_ rendset, rendstyle);
3250 continue; /* for(;i;) */
3251 }
3252
3253 switch (arg[i]) {
3254 case 30:
3255 case 31: /* set fg color */
3256 case 32:
3257 case 33:
3258 case 34:
3259 case 35:
3260 case 36:
3261 case 37:
3262 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3263 Color_fg);
3264 break;
3265 #ifdef TTY_256COLOR
3266 case 38:
3267 if (nargs > i + 2 && arg[i + 1] == 5) {
3268 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3269 Color_fg);
3270 i += 2;
3271 }
3272 break;
3273 #endif
3274 case 39: /* default fg */
3275 rxvt_scr_color(aR_ Color_fg, Color_fg);
3276 break;
3277
3278 case 40:
3279 case 41: /* set bg color */
3280 case 42:
3281 case 43:
3282 case 44:
3283 case 45:
3284 case 46:
3285 case 47:
3286 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3287 Color_bg);
3288 break;
3289 #ifdef TTY_256COLOR
3290 case 48:
3291 if (nargs > i + 2 && arg[i + 1] == 5) {
3292 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3293 Color_bg);
3294 i += 2;
3295 }
3296 break;
3297 #endif
3298 case 49: /* default bg */
3299 rxvt_scr_color(aR_ Color_bg, Color_bg);
3300 break;
3301
3302 #ifndef NO_BRIGHTCOLOR
3303 case 90:
3304 case 91: /* set bright fg color */
3305 case 92:
3306 case 93:
3307 case 94:
3308 case 95:
3309 case 96:
3310 case 97:
3311 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3312 Color_fg);
3313 break;
3314 case 100:
3315 case 101: /* set bright bg color */
3316 case 102:
3317 case 103:
3318 case 104:
3319 case 105:
3320 case 106:
3321 case 107:
3322 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3323 Color_bg);
3324 break;
3325 #endif
3326 }
3327 }
3328 }
3329 /*}}} */
3330
3331 /*{{{ process Rob Nation's own graphics mode sequences */
3332 /* INTPROTO */
3333 void
3334 rxvt_process_graphics(pR)
3335 {
3336 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3337
3338 #ifndef RXVT_GRAPHICS
3339 if (cmd == 'Q') { /* query graphics */
3340 R->tt_printf("\033G0\n"); /* no graphics */
3341 return;
3342 }
3343 /* swallow other graphics sequences until terminating ':' */
3344 do
3345 ch = rxvt_cmd_getc(aR);
3346 while (ch != ':');
3347 #else
3348 unsigned int nargs;
3349 int args[NGRX_PTS];
3350 unsigned char *text = NULL;
3351
3352 if (cmd == 'Q') { /* query graphics */
3353 R->tt_printf("\033G1\n"); /* yes, graphics (color) */
3354 return;
3355 }
3356 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3357 int neg;
3358
3359 ch = rxvt_cmd_getc(aR);
3360 neg = (ch == '-');
3361 if (neg || ch == '+')
3362 ch = rxvt_cmd_getc(aR);
3363
3364 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3365 args[nargs] = args[nargs] * 10 + (ch - '0');
3366 if (neg)
3367 args[nargs] = -args[nargs];
3368
3369 nargs++;
3370 args[nargs] = 0;
3371 if (ch != ';')
3372 break;
3373 }
3374
3375 if ((cmd == 'T') && (nargs >= 5)) {
3376 int i, len = args[4];
3377
3378 text = rxvt_malloc((len + 1) * sizeof(char));
3379
3380 if (text != NULL) {
3381 for (i = 0; i < len; i++)
3382 text[i] = rxvt_cmd_getc(aR);
3383 text[len] = '\0';
3384 }
3385 }
3386 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3387 #endif
3388 }
3389 /*}}} */
3390
3391 /* ------------------------------------------------------------------------- */
3392
3393 /*
3394 * Send printf() formatted output to the command.
3395 * Only use for small amounts of data.
3396 */
3397 void
3398 rxvt_term::tt_printf (const char *fmt,...)
3399 {
3400 va_list arg_ptr;
3401 unsigned char buf[256];
3402
3403 va_start (arg_ptr, fmt);
3404 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3405 va_end (arg_ptr);
3406 tt_write (buf, STRLEN (buf));
3407 }
3408
3409 /* ---------------------------------------------------------------------- */
3410 /* Write data to the pty as typed by the user, pasted with the mouse,
3411 * or generated by us in response to a query ESC sequence.
3412 */
3413 void
3414 rxvt_term::tt_write (const unsigned char *data, unsigned int len)
3415 {
3416 enum { MAX_PTY_WRITE = 255 }; // minimum MAX_INPUT
3417
3418 if (len)
3419 {
3420 if (v_buflen == 0)
3421 {
3422 int written = write (cmd_fd, data, min (MAX_PTY_WRITE, len));
3423 if (written == len)
3424 return;
3425
3426 data += written;
3427 len -= written;
3428 }
3429
3430
3431 v_buffer = (unsigned char *)realloc (v_buffer, v_buflen + len);
3432
3433 memcpy (v_buffer + v_buflen, data, len);
3434 v_buflen += len;
3435 }
3436
3437 for (;;)
3438 {
3439 int written = write (cmd_fd, v_buffer, min (MAX_PTY_WRITE, v_buflen));
3440
3441 if (written > 0)
3442 {
3443 v_buflen -= written;
3444
3445 if (v_buflen == 0)
3446 {
3447 free (v_buffer);
3448 v_buffer = 0;
3449 v_buflen = 0;
3450
3451 pty_ev.set (EVENT_READ);
3452 return;
3453 }
3454
3455 memmove (v_buffer, v_buffer + written, v_buflen);
3456 }
3457 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3458 // original code just ignores this...
3459 destroy ();
3460 else
3461 {
3462 pty_ev.set (EVENT_READ | EVENT_WRITE);
3463 return;
3464 }
3465 }
3466 }
3467
3468 /*----------------------- end-of-file (C source) -----------------------*/
3469