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Revision: 1.19
Committed: Thu Dec 18 05:45:11 2003 UTC (20 years, 4 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.18: +13 -11 lines
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File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.18 2003/12/18 02:07:12 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 SET_LOCALE (locale);
697
698 flush ();
699 }
700
701 void
702 rxvt_term::process_x_events ()
703 {
704 do
705 {
706 XEvent xev;
707
708 XNextEvent (Xdisplay, &xev);
709
710 #if defined(CURSOR_BLINK)
711 if ((Options & Opt_cursorBlink)
712 && xev.type == KeyPress)
713 {
714 if (hidden_cursor)
715 {
716 hidden_cursor = 0;
717 want_refresh = 1;
718 }
719
720 blink_ev.start (NOW + BLINK_INTERVAL);
721 }
722 #endif
723
724 #if defined(POINTER_BLANK)
725 if ((Options & Opt_pointerBlank)
726 && (pointerBlankDelay > 0))
727 {
728 if (xev.type == MotionNotify
729 || xev.type == ButtonPress
730 || xev.type == ButtonRelease)
731 if (hidden_pointer)
732 pointer_unblank ();
733
734 if (xev.type == KeyPress && hidden_pointer == 0)
735 pointer_blank ();
736 }
737 #endif
738
739 #ifdef USE_XIM
740 if (!XFilterEvent (&xev, xev.xany.window))
741 #endif
742 rxvt_process_x_event (this, &xev);
743 }
744 while (XPending (Xdisplay));
745 }
746
747 void
748 rxvt_term::blink_cb (time_watcher &w)
749 {
750 w.at += BLINK_INTERVAL;
751 hidden_cursor = !hidden_cursor;
752 want_refresh = 1;
753 }
754
755 void
756 rxvt_term::x_cb (io_watcher &w, short revents)
757 {
758 SET_R (this);
759 SET_LOCALE (locale);
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 SET_LOCALE (locale);
791
792 if (revents & EVENT_WRITE)
793 tt_write (0, 0);
794 else if (revents & EVENT_READ)
795 {
796 bool flag = true;
797
798 // loop, but don't allow a single term to monopolize us
799 // the number of loops is fully arbitrary, and thus wrong
800 while (flag && pty_fill ())
801 {
802 if (!seen_input)
803 {
804 seen_input = 1;
805 /* once we know the shell is running, send the screen size. Again! */
806 tt_winch ();
807 }
808
809 uint32_t ch = NOCHAR;
810
811 for (;;)
812 {
813 if (ch == NOCHAR)
814 ch = next_char ();
815
816 if (ch == NOCHAR) // TODO: improve
817 break;
818
819 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
820 {
821 /* Read a text string from the input buffer */
822 uint32_t buf[BUFSIZ];
823 bool refreshnow = false;
824 int nlines = 0;
825 uint32_t *str = buf;
826
827 *str++ = ch;
828
829 for (;;)
830 {
831 ch = next_char ();
832
833 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
834 break;
835 else
836 {
837 *str++ = ch;
838
839 if (ch == '\n')
840 {
841 nlines++;
842 refresh_count++;
843
844 if (!(Options & Opt_jumpScroll)
845 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
846 {
847 refreshnow = true;
848 flag = false;
849 ch = NOCHAR;
850 break;
851 }
852 }
853
854 if (str >= buf + BUFSIZ)
855 {
856 ch = NOCHAR;
857 break;
858 }
859 }
860 }
861
862 rxvt_scr_add_lines (this, buf, nlines, str - buf);
863
864 /*
865 * If there have been a lot of new lines, then update the screen
866 * What the heck I'll cheat and only refresh less than every page-full.
867 * the number of pages between refreshes is refresh_limit, which
868 * is incremented here because we must be doing flat-out scrolling.
869 *
870 * refreshing should be correct for small scrolls, because of the
871 * time-out
872 */
873 if (refreshnow)
874 {
875 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
876 refresh_limit++;
877
878 rxvt_scr_refresh (this, refresh_type);
879 }
880
881 }
882 else
883 {
884 switch (ch)
885 {
886 default:
887 rxvt_process_nonprinting (this, ch);
888 break;
889 case C0_ESC: /* escape char */
890 rxvt_process_escape_seq (this);
891 break;
892 /*case 0x9b: */ /* CSI */
893 /* rxvt_process_csi_seq (this); */
894 }
895
896 ch = NOCHAR;
897 }
898 }
899 }
900 }
901 }
902
903 // read the next character, currently handles UTF-8
904 // will probably handle all sorts of other stuff in the future
905 uint32_t
906 rxvt_term::next_char ()
907 {
908 struct mbstate &s = mbstate;
909
910 while (cmdbuf_ptr < cmdbuf_endp)
911 {
912 uint8_t ch = *cmdbuf_ptr;
913
914 if (s.cnt)
915 {
916 if ((ch & 0xc0) == 0x80)
917 {
918 cmdbuf_ptr++;
919
920 /* continuation */
921 s.reg = (s.reg << 6) | (ch & 0x7f);
922
923 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
924 return s.reg;
925
926 continue;
927 }
928 else
929 {
930 s.cnt = 0;
931 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */
932 }
933 }
934
935 if ((ch & 0xc0) == 0xc0)
936 {
937 cmdbuf_ptr++;
938
939 /* first byte */
940 s.orig = ch; /* for broken encodings */
941 s.reg = ch;
942 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; }
943 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; }
944 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; }
945 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; }
946 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; }
947 }
948 else
949 {
950 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */
951 return ch;
952 }
953 }
954
955 return NOCHAR;
956 }
957
958 /* rxvt_cmd_getc() - Return next input character */
959 /*
960 * Return the next input character after first passing any keyboard input
961 * to the command.
962 */
963 /* INTPROTO */
964 uint32_t
965 rxvt_cmd_getc(pR)
966 {
967 for (;;)
968 {
969 uint32_t c = R->next_char ();
970 if (c != NOCHAR)
971 return c;
972
973 // incomplete sequences should occur rarely, still, a better solution
974 // would be preferred. either setjmp/longjmp or better design.
975 fcntl (R->cmd_fd, F_SETFL, 0);
976 R->pty_fill ();
977 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
978 }
979
980 #if 0
981 #define TIMEOUT_USEC 5000
982 fd_set readfds;
983 int quick_timeout, select_res;
984 int want_motion_time, want_keypress_time;
985 struct timeval value;
986 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
987 struct timeval tp;
988 #endif
989
990 for (;;) {
991 /* loop until we can return something */
992
993 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
994 R->tt_write(NULL, 0);
995
996 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
997 if (R->mouse_slip_wheel_speed) {
998 quick_timeout = 1;
999 if (!R->mouse_slip_wheel_delay--
1000 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
1001 abs(R->mouse_slip_wheel_speed))) {
1002 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1003 R->refresh_type |= SMOOTH_REFRESH;
1004 R->want_refresh = 1;
1005 }
1006 }
1007 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
1008 #ifdef SELECTION_SCROLLING
1009 if (R->pending_scroll_selection) {
1010 quick_timeout = 1;
1011 if (!R->scroll_selection_delay--
1012 && rxvt_scr_page(aR_ R->scroll_selection_dir,
1013 R->scroll_selection_lines)) {
1014 rxvt_selection_extend(aR_ R->selection_save_x,
1015 R->selection_save_y, R->selection_save_state);
1016 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
1017 R->refresh_type |= SMOOTH_REFRESH;
1018 R->want_refresh = 1;
1019 }
1020 }
1021 #endif
1022 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1023 if (scrollbar_isUp() || scrollbar_isDn()) {
1024 quick_timeout = 1;
1025 if (!R->scroll_arrow_delay--
1026 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
1027 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
1028 R->refresh_type |= SMOOTH_REFRESH;
1029 R->want_refresh = 1;
1030 }
1031 }
1032 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1033
1034 #ifdef TRANSPARENT
1035 quick_timeout |= R->want_full_refresh;
1036 #endif
1037 #endif
1038 }
1039
1040 void
1041 rxvt_term::pointer_unblank ()
1042 {
1043 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1044 recolour_cursor ();
1045
1046 #ifdef POINTER_BLANK
1047 hidden_pointer = 0;
1048
1049 if (Options & Opt_pointerBlank)
1050 pointer_ev.start (NOW + pointerBlankDelay);
1051 #endif
1052 }
1053
1054 #ifdef POINTER_BLANK
1055 void
1056 rxvt_term::pointer_blank ()
1057 {
1058 pointer_ev.stop ();
1059
1060 if (!(Options & Opt_pointerBlank))
1061 return;
1062
1063 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1064 XFlush (Xdisplay);
1065
1066 hidden_pointer = 1;
1067 }
1068
1069 void
1070 rxvt_term::pointer_cb (time_watcher &w)
1071 {
1072 SET_R (this);
1073 SET_LOCALE (locale);
1074
1075 pointer_blank ();
1076 }
1077 #endif
1078
1079 /* INTPROTO */
1080 void
1081 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1082 {
1083 int button_number, key_state = 0;
1084 int x, y;
1085
1086 x = ev->x;
1087 y = ev->y;
1088 rxvt_pixel_position(aR_ &x, &y);
1089
1090 if (R->MEvent.button == AnyButton) {
1091 button_number = 3;
1092 } else {
1093 button_number = R->MEvent.button - Button1;
1094 /* add 0x3D for wheel events, like xterm does */
1095 if (button_number >= 3)
1096 button_number += (64 - 3);
1097 }
1098
1099 if (R->PrivateModes & PrivMode_MouseX10) {
1100 /*
1101 * do not report ButtonRelease
1102 * no state info allowed
1103 */
1104 key_state = 0;
1105 if (button_number == 3)
1106 return;
1107 } else {
1108 /* XTerm mouse reporting needs these values:
1109 * 4 = Shift
1110 * 8 = Meta
1111 * 16 = Control
1112 * plus will add in our own Double-Click reporting
1113 * 32 = Double Click
1114 */
1115 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1116 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1117 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1118 #ifdef MOUSE_REPORT_DOUBLECLICK
1119 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1120 #endif
1121 }
1122
1123 #ifdef DEBUG_MOUSEREPORT
1124 fprintf(stderr, "Mouse [");
1125 if (key_state & 16)
1126 fputc('C', stderr);
1127 if (key_state & 4)
1128 fputc('S', stderr);
1129 if (key_state & 8)
1130 fputc('A', stderr);
1131 if (key_state & 32)
1132 fputc('2', stderr);
1133 fprintf(stderr, "]: <%d>, %d/%d\n",
1134 button_number,
1135 x + 1,
1136 y + 1);
1137 #else
1138 R->tt_printf("\033[M%c%c%c",
1139 (32 + button_number + key_state),
1140 (32 + x + 1),
1141 (32 + y + 1));
1142 #endif
1143 }
1144
1145 #ifdef USING_W11LIB
1146 /* EXTPROTO */
1147 void
1148 rxvt_W11_process_x_event(XEvent *ev)
1149 {
1150 rxvt_t *r = rxvt_get_r();
1151
1152 rxvt_process_x_event(aR_ ev);
1153 }
1154 #endif
1155
1156 /*{{{ process an X event */
1157 /* INTPROTO */
1158 void
1159 rxvt_process_x_event(pR_ XEvent *ev)
1160 {
1161 int i, want_timeout;
1162 Window unused_root, unused_child;
1163 int unused_root_x, unused_root_y;
1164 unsigned int unused_mask;
1165
1166 #ifdef DEBUG_X
1167 const char *const eventnames[] =
1168 { /* mason - this matches my system */
1169 "",
1170 "",
1171 "KeyPress",
1172 "KeyRelease",
1173 "ButtonPress",
1174 "ButtonRelease",
1175 "MotionNotify",
1176 "EnterNotify",
1177 "LeaveNotify",
1178 "FocusIn",
1179 "FocusOut",
1180 "KeymapNotify",
1181 "Expose",
1182 "GraphicsExpose",
1183 "NoExpose",
1184 "VisibilityNotify",
1185 "CreateNotify",
1186 "DestroyNotify",
1187 "UnmapNotify",
1188 "MapNotify",
1189 "MapRequest",
1190 "ReparentNotify",
1191 "ConfigureNotify",
1192 "ConfigureRequest",
1193 "GravityNotify",
1194 "ResizeRequest",
1195 "CirculateNotify",
1196 "CirculateRequest",
1197 "PropertyNotify",
1198 "SelectionClear",
1199 "SelectionRequest",
1200 "SelectionNotify",
1201 "ColormapNotify",
1202 "ClientMessage",
1203 "MappingNotify"
1204 };
1205 #endif
1206
1207 #ifdef DEBUG_X
1208 struct timeval tp;
1209 struct tm *ltt;
1210 (void)gettimeofday(&tp, NULL);
1211 ltt = localtime(&(tp.tv_sec));
1212 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));
1213 #endif
1214
1215 switch (ev->type) {
1216 case KeyPress:
1217 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1218 break;
1219
1220 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1221 case KeyRelease:
1222 {
1223 if (!(ev->xkey.state & ControlMask))
1224 R->mouse_slip_wheel_speed = 0;
1225 else {
1226 KeySym ks;
1227
1228 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1229 if (ks == XK_Control_L || ks == XK_Control_R)
1230 R->mouse_slip_wheel_speed = 0;
1231 }
1232 break;
1233 }
1234 #endif
1235
1236 case ButtonPress:
1237 rxvt_button_press(aR_ (XButtonEvent *)ev);
1238 break;
1239
1240 case ButtonRelease:
1241 rxvt_button_release(aR_ (XButtonEvent *)ev);
1242 break;
1243
1244 case ClientMessage:
1245 if (ev->xclient.format == 32
1246 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1247 R->destroy ();
1248 #ifdef OFFIX_DND
1249 /* OffiX Dnd (drag 'n' drop) protocol */
1250 else if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1251 && (ev->xclient.data.l[0] == DndFile
1252 || ev->xclient.data.l[0] == DndDir
1253 || ev->xclient.data.l[0] == DndLink)) {
1254 /* Get Dnd data */
1255 Atom ActualType;
1256 int ActualFormat;
1257 unsigned char *data;
1258 unsigned long Size, RemainingBytes;
1259
1260 XGetWindowProperty(R->Xdisplay, Xroot,
1261 R->xa[XA_DNDSELECTION],
1262 0L, 1000000L,
1263 False, AnyPropertyType,
1264 &ActualType, &ActualFormat,
1265 &Size, &RemainingBytes,
1266 &data);
1267 XChangeProperty(R->Xdisplay, Xroot,
1268 XA_CUT_BUFFER0, XA_STRING,
1269 8, PropModeReplace,
1270 data, STRLEN(data));
1271 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1272 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1273 }
1274 #endif /* OFFIX_DND */
1275 break;
1276
1277 case MappingNotify:
1278 XRefreshKeyboardMapping(&(ev->xmapping));
1279 break;
1280
1281 /*
1282 * XXX: this is not the _current_ arrangement
1283 * Here's my conclusion:
1284 * If the window is completely unobscured, use bitblt's
1285 * to scroll. Even then, they're only used when doing partial
1286 * screen scrolling. When partially obscured, we have to fill
1287 * in the GraphicsExpose parts, which means that after each refresh,
1288 * we need to wait for the graphics expose or Noexpose events,
1289 * which ought to make things real slow!
1290 */
1291 case VisibilityNotify:
1292 switch (ev->xvisibility.state)
1293 {
1294 case VisibilityUnobscured:
1295 R->refresh_type = FAST_REFRESH;
1296 break;
1297 case VisibilityPartiallyObscured:
1298 R->refresh_type = SLOW_REFRESH;
1299 break;
1300 default:
1301 R->refresh_type = NO_REFRESH;
1302 break;
1303 }
1304 break;
1305
1306 case FocusIn:
1307 if (!R->TermWin.focus) {
1308 R->TermWin.focus = 1;
1309 R->want_refresh = 1;
1310 #ifdef USE_XIM
1311 if (R->Input_Context != NULL)
1312 XSetICFocus(R->Input_Context);
1313 #endif
1314 #ifdef CURSOR_BLINK
1315 if (R->Options & Opt_cursorBlink)
1316 R->blink_ev.start (NOW + BLINK_INTERVAL);
1317 #endif
1318 }
1319 break;
1320
1321 case FocusOut:
1322 if (R->TermWin.focus) {
1323 R->TermWin.focus = 0;
1324 R->want_refresh = 1;
1325 #ifdef USE_XIM
1326 if (R->Input_Context != NULL)
1327 XUnsetICFocus(R->Input_Context);
1328 #endif
1329 #ifdef CURSOR_BLINK
1330 if (R->Options & Opt_cursorBlink)
1331 R->blink_ev.stop ();
1332 R->hidden_cursor = 0;
1333 #endif
1334 }
1335 break;
1336
1337 case ConfigureNotify:
1338 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1339 int height, width;
1340
1341 do { /* Wrap lots of configures into one */
1342 width = ev->xconfigure.width;
1343 height = ev->xconfigure.height;
1344 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1345 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1346 ConfigureNotify, ev));
1347 if (R->szHint.width != width || R->szHint.height != height) {
1348 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1349 rxvt_resize_all_windows(aR_ (unsigned int)width,
1350 (unsigned int)height, 1);
1351 }
1352 #ifdef DEBUG_SIZE
1353 else {
1354 D_SIZE((stderr, "Size: Not resizing"));
1355 }
1356 #endif
1357 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1358 if (R->Options & Opt_transparent) {
1359 rxvt_check_our_parents(aR);
1360 if (R->am_transparent)
1361 R->want_full_refresh = 1;
1362 }
1363 #endif
1364 }
1365 break;
1366
1367 case SelectionClear:
1368 rxvt_selection_clear(aR);
1369 break;
1370
1371 case SelectionNotify:
1372 if (R->selection_wait == Sel_normal)
1373 rxvt_selection_paste(aR_ ev->xselection.requestor,
1374 ev->xselection.property, True);
1375 break;
1376
1377 case SelectionRequest:
1378 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1379 break;
1380
1381 case UnmapNotify:
1382 R->TermWin.mapped = 0;
1383 break;
1384
1385 case MapNotify:
1386 R->TermWin.mapped = 1;
1387 break;
1388
1389 case PropertyNotify:
1390 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1391 if (ev->xproperty.state == PropertyNewValue)
1392 rxvt_selection_property(aR_ ev->xproperty.window,
1393 ev->xproperty.atom);
1394 break;
1395 }
1396 #ifdef TRANSPARENT
1397 /*
1398 * if user used some Esetroot compatible prog to set the root bg,
1399 * use the property to determine the pixmap. We use it later on.
1400 */
1401 if (R->xa[XA_XROOTPMAPID] == 0)
1402 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1403 "_XROOTPMAP_ID", False);
1404 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1405 break;
1406 /* FALLTHROUGH */
1407 case ReparentNotify:
1408 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1409 if (R->am_transparent)
1410 R->want_full_refresh = 1;
1411 }
1412 #endif /* TRANSPARENT */
1413 break;
1414
1415 case GraphicsExpose:
1416 case Expose:
1417 if (ev->xany.window == R->TermWin.vt) {
1418 #ifdef NO_SLOW_LINK_SUPPORT
1419 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1420 ev->xexpose.width, ev->xexpose.height, False);
1421 #else
1422 // don't understand this, so commented it out
1423 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1424 ev->xexpose.width, ev->xexpose.height, False);
1425 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1426 // ev->xexpose.width, R->TermWin.height, False);
1427 #endif
1428 R->want_refresh = 1;
1429 } else {
1430 XEvent unused_xevent;
1431
1432 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1433 Expose,
1434 &unused_xevent)) ;
1435 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1436 GraphicsExpose,
1437 &unused_xevent)) ;
1438 if (isScrollbarWindow(ev->xany.window)) {
1439 R->scrollBar.setIdle();
1440 rxvt_scrollbar_show(aR_ 0);
1441 }
1442 #ifdef MENUBAR
1443 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1444 rxvt_menubar_expose(aR);
1445 #endif
1446 #ifdef RXVT_GRAPHICS
1447 rxvt_Gr_expose(aR_ ev->xany.window);
1448 #endif
1449 }
1450 break;
1451
1452 case MotionNotify:
1453 #ifdef POINTER_BLANK
1454 if (R->hidden_pointer)
1455 R->pointer_unblank ();
1456 #endif
1457 #if MENUBAR
1458 if (isMenuBarWindow(ev->xany.window)) {
1459 rxvt_menubar_control(aR_ &(ev->xbutton));
1460 break;
1461 }
1462 #endif
1463 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1464 break;
1465
1466 if (ev->xany.window == R->TermWin.vt) {
1467 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1468 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1469 MotionNotify, ev)) ;
1470 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1471 &unused_root, &unused_child,
1472 &unused_root_x, &unused_root_y,
1473 &(ev->xbutton.x), &(ev->xbutton.y),
1474 &unused_mask);
1475 #ifdef MOUSE_THRESHOLD
1476 /* deal with a `jumpy' mouse */
1477 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1478 #endif
1479 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1480 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1481 #ifdef SELECTION_SCROLLING
1482 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1483 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1484 int dist;
1485
1486 R->pending_scroll_selection=1;
1487
1488 /* don't clobber the current delay if we are
1489 * already in the middle of scrolling.
1490 */
1491 if (R->scroll_selection_delay<=0)
1492 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1493
1494 /* save the event params so we can highlight
1495 * the selection in the pending-scroll loop
1496 */
1497 R->selection_save_x=ev->xbutton.x;
1498 R->selection_save_y=ev->xbutton.y;
1499 R->selection_save_state=
1500 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1501
1502 /* calc number of lines to scroll */
1503 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1504 R->scroll_selection_dir = UP;
1505 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1506 }
1507 else {
1508 R->scroll_selection_dir = DN;
1509 dist = ev->xbutton.y -
1510 (R->TermWin.int_bwidth + R->TermWin.height);
1511 }
1512 R->scroll_selection_lines=(Pixel2Height(dist)/
1513 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1514 MIN_IT(R->scroll_selection_lines,
1515 SELECTION_SCROLL_MAX_LINES);
1516 }
1517 else {
1518 /* we are within the text window, so we
1519 * shouldn't be scrolling
1520 */
1521 R->pending_scroll_selection = 0;
1522 }
1523 #endif
1524 #ifdef MOUSE_THRESHOLD
1525 }
1526 #endif
1527 }
1528 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1529 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1530 MotionNotify, ev)) ;
1531 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1532 &unused_root, &unused_child,
1533 &unused_root_x, &unused_root_y,
1534 &(ev->xbutton.x), &(ev->xbutton.y),
1535 &unused_mask);
1536 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1537 scrollbar_size());
1538 rxvt_scr_refresh(aR_ R->refresh_type);
1539 R->refresh_limit = 0;
1540 rxvt_scrollbar_show(aR_ 1);
1541 }
1542 break;
1543 }
1544 }
1545
1546 /* INTPROTO */
1547 void
1548 rxvt_button_press(pR_ XButtonEvent *ev)
1549 {
1550 int reportmode = 0, clickintime;
1551
1552 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1553 if (!R->bypass_keystate)
1554 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1555 /*
1556 * VT window processing of button press
1557 */
1558 if (ev->window == R->TermWin.vt)
1559 {
1560 #if RXVT_GRAPHICS
1561 if (ev->subwindow != None)
1562 rxvt_Gr_ButtonPress (ev->x, ev->y);
1563 else
1564 #endif
1565 {
1566 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1567 if (reportmode)
1568 {
1569 /* mouse report from vt window */
1570 /* save the xbutton state (for ButtonRelease) */
1571 R->MEvent.state = ev->state;
1572 #ifdef MOUSE_REPORT_DOUBLECLICK
1573 if (ev->button == R->MEvent.button && clickintime)
1574 {
1575 /* same button, within alloted time */
1576 R->MEvent.clicks++;
1577 if (R->MEvent.clicks > 1)
1578 {
1579 /* only report double clicks */
1580 R->MEvent.clicks = 2;
1581 rxvt_mouse_report(aR_ ev);
1582
1583 /* don't report the release */
1584 R->MEvent.clicks = 0;
1585 R->MEvent.button = AnyButton;
1586 }
1587 }
1588 else
1589 {
1590 /* different button, or time expired */
1591 R->MEvent.clicks = 1;
1592 R->MEvent.button = ev->button;
1593 rxvt_mouse_report(aR_ ev);
1594 }
1595 #else
1596 R->MEvent.button = ev->button;
1597 rxvt_mouse_report(aR_ ev);
1598 #endif /* MOUSE_REPORT_DOUBLECLICK */
1599 }
1600 else
1601 {
1602 if (ev->button != R->MEvent.button)
1603 R->MEvent.clicks = 0;
1604 switch (ev->button)
1605 {
1606 case Button1:
1607 if (R->MEvent.button == Button1 && clickintime)
1608 R->MEvent.clicks++;
1609 else
1610 R->MEvent.clicks = 1;
1611 rxvt_selection_click(aR_ R->MEvent.clicks, ev->x, ev->y);
1612 R->MEvent.button = Button1;
1613 break;
1614
1615 case Button3:
1616 if (R->MEvent.button == Button3 && clickintime)
1617 rxvt_selection_rotate(aR_ ev->x, ev->y);
1618 else
1619 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1620 R->MEvent.button = Button3;
1621 break;
1622 }
1623 }
1624 R->MEvent.time = ev->time;
1625 return;
1626 }
1627 }
1628
1629 /*
1630 * Scrollbar window processing of button press
1631 */
1632 if (isScrollbarWindow(ev->window))
1633 {
1634 R->scrollBar.setIdle ();
1635 /*
1636 * Rxvt-style scrollbar:
1637 * move up if mouse is above slider
1638 * move dn if mouse is below slider
1639 *
1640 * XTerm-style scrollbar:
1641 * Move display proportional to pointer location
1642 * pointer near top -> scroll one line
1643 * pointer near bot -> scroll full page
1644 */
1645 #ifndef NO_SCROLLBAR_REPORT
1646 if (reportmode) {
1647 /*
1648 * Mouse report disabled scrollbar:
1649 * arrow buttons - send up/down
1650 * click on scrollbar - send pageup/down
1651 */
1652 if ((R->scrollBar.style == R_SB_NEXT
1653 && scrollbarnext_upButton(ev->y))
1654 || (R->scrollBar.style == R_SB_RXVT
1655 && scrollbarrxvt_upButton(ev->y)))
1656 R->tt_printf("\033[A");
1657 else if ((R->scrollBar.style == R_SB_NEXT
1658 && scrollbarnext_dnButton(ev->y))
1659 || (R->scrollBar.style == R_SB_RXVT
1660 && scrollbarrxvt_dnButton(ev->y)))
1661 R->tt_printf("\033[B");
1662 else
1663 switch (ev->button) {
1664 case Button2:
1665 R->tt_printf("\014");
1666 break;
1667 case Button1:
1668 R->tt_printf("\033[6~");
1669 break;
1670 case Button3:
1671 R->tt_printf("\033[5~");
1672 break;
1673 }
1674 }
1675 else
1676 #endif /* NO_SCROLLBAR_REPORT */
1677 {
1678 char upordown = 0;
1679
1680 if (R->scrollBar.style == R_SB_NEXT) {
1681 if (scrollbarnext_upButton(ev->y))
1682 upordown = -1; /* up */
1683 else if (scrollbarnext_dnButton(ev->y))
1684 upordown = 1; /* down */
1685 } else if (R->scrollBar.style == R_SB_RXVT) {
1686 if (scrollbarrxvt_upButton(ev->y))
1687 upordown = -1; /* up */
1688 else if (scrollbarrxvt_dnButton(ev->y))
1689 upordown = 1; /* down */
1690 }
1691 if (upordown) {
1692 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1693 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1694 #endif
1695 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1696 if (upordown < 0)
1697 R->scrollBar.setUp ();
1698 else
1699 R->scrollBar.setDn ();
1700 }
1701 } else
1702 switch (ev->button) {
1703 case Button2:
1704 switch (R->scrollbar_align) {
1705 case R_SB_ALIGN_TOP:
1706 R->csrO = 0;
1707 break;
1708 case R_SB_ALIGN_CENTRE:
1709 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1710 break;
1711 case R_SB_ALIGN_BOTTOM:
1712 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1713 break;
1714 }
1715 if (R->scrollBar.style == R_SB_XTERM
1716 || scrollbar_above_slider(ev->y)
1717 || scrollbar_below_slider(ev->y))
1718 rxvt_scr_move_to(aR_
1719 scrollbar_position(ev->y) - R->csrO,
1720 scrollbar_size());
1721 R->scrollBar.setMotion ();
1722 break;
1723
1724 case Button1:
1725 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1726 R->csrO = ev->y - R->scrollBar.top;
1727 /* FALLTHROUGH */
1728
1729 case Button3:
1730 if (R->scrollBar.style != R_SB_XTERM) {
1731 if (scrollbar_above_slider(ev->y))
1732 # ifdef RXVT_SCROLL_FULL
1733 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1734 # else
1735 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1736 # endif
1737 else if (scrollbar_below_slider(ev->y))
1738 # ifdef RXVT_SCROLL_FULL
1739 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1740 # else
1741 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1742 # endif
1743 else
1744 R->scrollBar.setMotion ();
1745 } else {
1746 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1747 (R->TermWin.nrow
1748 * scrollbar_position(ev->y)
1749 / scrollbar_size()));
1750 }
1751 break;
1752 }
1753 }
1754 return;
1755 }
1756 #if MENUBAR
1757 /*
1758 * Menubar window processing of button press
1759 */
1760 if (isMenuBarWindow(ev->window))
1761 rxvt_menubar_control(aR_ ev);
1762 #endif
1763 }
1764
1765 /* INTPROTO */
1766 void
1767 rxvt_button_release(pR_ XButtonEvent *ev)
1768 {
1769 int reportmode = 0;
1770
1771 R->csrO = 0; /* reset csr Offset */
1772 if (!R->bypass_keystate)
1773 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1774
1775 if (scrollbar_isUpDn()) {
1776 R->scrollBar.setIdle ();
1777 rxvt_scrollbar_show(aR_ 0);
1778 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1779 R->refresh_type &= ~SMOOTH_REFRESH;
1780 #endif
1781 }
1782 #ifdef SELECTION_SCROLLING
1783 R->pending_scroll_selection=0;
1784 #endif
1785 if (ev->window == R->TermWin.vt)
1786 {
1787 #ifdef RXVT_GRAPHICS
1788 if (ev->subwindow != None)
1789 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1790 else
1791 #endif
1792 {
1793 if (reportmode)
1794 {
1795 /* mouse report from vt window */
1796 /* don't report release of wheel "buttons" */
1797 if (ev->button >= 4)
1798 return;
1799 #ifdef MOUSE_REPORT_DOUBLECLICK
1800 /* only report the release of 'slow' single clicks */
1801 if (R->MEvent.button != AnyButton
1802 && (ev->button != R->MEvent.button
1803 || (ev->time - R->MEvent.time
1804 > MULTICLICK_TIME / 2)))
1805 {
1806 R->MEvent.clicks = 0;
1807 R->MEvent.button = AnyButton;
1808 rxvt_mouse_report(aR_ ev);
1809 }
1810 #else /* MOUSE_REPORT_DOUBLECLICK */
1811 R->MEvent.button = AnyButton;
1812 rxvt_mouse_report(aR_ ev);
1813 #endif /* MOUSE_REPORT_DOUBLECLICK */
1814 return;
1815 }
1816 /*
1817 * dumb hack to compensate for the failure of click-and-drag
1818 * when overriding mouse reporting
1819 */
1820 if (R->PrivateModes & PrivMode_mouse_report
1821 && R->bypass_keystate
1822 && ev->button == Button1 && R->MEvent.clicks <= 1)
1823 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1824
1825 switch (ev->button) {
1826 case Button1:
1827 case Button3:
1828 rxvt_selection_make(aR_ ev->time);
1829 break;
1830 case Button2:
1831 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1832 break;
1833 #ifdef MOUSE_WHEEL
1834 case Button4:
1835 case Button5:
1836 {
1837 int i;
1838 page_dirn v;
1839
1840 v = (ev->button == Button4) ? UP : DN;
1841 if (ev->state & ShiftMask)
1842 i = 1;
1843 else if ((R->Options & Opt_mouseWheelScrollPage))
1844 i = R->TermWin.nrow - 1;
1845 else
1846 i = 5;
1847 # ifdef MOUSE_SLIP_WHEELING
1848 if (ev->state & ControlMask)
1849 {
1850 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1851 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1852 }
1853 # endif
1854 # ifdef JUMP_MOUSE_WHEEL
1855 rxvt_scr_page(aR_ v, i);
1856 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1857 rxvt_scrollbar_show(aR_ 1);
1858 # else
1859 for (; i--;)
1860 {
1861 rxvt_scr_page(aR_ v, 1);
1862 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1863 rxvt_scrollbar_show(aR_ 1);
1864 }
1865 # endif
1866 }
1867 break;
1868 #endif
1869 }
1870 }
1871 }
1872 #ifdef MENUBAR
1873 else if (isMenuBarWindow(ev->window))
1874 rxvt_menubar_control(aR_ ev);
1875 #endif
1876 }
1877
1878
1879 #ifdef TRANSPARENT
1880 /*
1881 * Check our parents are still who we think they are.
1882 * Do transparency updates if required
1883 */
1884 /* EXTPROTO */
1885 int
1886 rxvt_check_our_parents(pR)
1887 {
1888 int i, pchanged, aformat, have_pixmap, rootdepth;
1889 unsigned long nitems, bytes_after;
1890 Atom atype;
1891 unsigned char *prop = NULL;
1892 Window root, oldp, *list;
1893 Pixmap rootpixmap = None;
1894 XWindowAttributes wattr, wrootattr;
1895
1896 pchanged = 0;
1897
1898 if (!(R->Options & Opt_transparent))
1899 return pchanged; /* Don't try any more */
1900
1901 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1902 rootdepth = wrootattr.depth;
1903
1904 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1905 if (rootdepth != wattr.depth) {
1906 if (R->am_transparent) {
1907 pchanged = 1;
1908 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1909 R->PixColors[Color_bg]);
1910 R->am_transparent = R->am_pixmap_trans = 0;
1911 }
1912 return pchanged; /* Don't try any more */
1913 }
1914
1915 /* Get all X ops out of the queue so that our information is up-to-date. */
1916 XSync(R->Xdisplay, False);
1917
1918 /*
1919 * Make the frame window set by the window manager have
1920 * the root background. Some window managers put multiple nested frame
1921 * windows for each client, so we have to take care about that.
1922 */
1923 i = (R->xa[XA_XROOTPMAPID] != 0
1924 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1925 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1926 &nitems, &bytes_after, &prop) == Success));
1927 if (!i || prop == NULL)
1928 have_pixmap = 0;
1929 else {
1930 have_pixmap = 1;
1931 rootpixmap = *((Pixmap *)prop);
1932 XFree(prop);
1933 }
1934 if (have_pixmap) {
1935 /*
1936 * Copy Xroot pixmap transparency
1937 */
1938 int sx, sy, nx, ny;
1939 unsigned int nw, nh;
1940 Window cr;
1941 XImage *image;
1942 GC gc;
1943 XGCValues gcvalue;
1944
1945 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1946 0, 0, &sx, &sy, &cr);
1947 nw = (unsigned int)R->szHint.width;
1948 nh = (unsigned int)R->szHint.height;
1949 nx = ny = 0;
1950 if (sx < 0) {
1951 nw += sx;
1952 nx = -sx;
1953 sx = 0;
1954 }
1955 if (sy < 0) {
1956 nh += sy;
1957 ny = -sy;
1958 sy = 0;
1959 }
1960 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1961 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1962 R->allowedxerror = -1;
1963 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1964 ZPixmap);
1965 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1966 /* XXX: may need a delay here? */
1967 R->allowedxerror = 0;
1968 if (image == NULL) {
1969 if (R->am_transparent && R->am_pixmap_trans) {
1970 pchanged = 1;
1971 if (R->TermWin.pixmap != None) {
1972 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1973 R->TermWin.pixmap = None;
1974 }
1975 }
1976 R->am_pixmap_trans = 0;
1977 } else {
1978 if (R->TermWin.pixmap != None)
1979 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1980 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1981 (unsigned int)R->szHint.width,
1982 (unsigned int)R->szHint.height,
1983 (unsigned int)image->depth);
1984 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1985 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1986 nx, ny, (unsigned int)image->width,
1987 (unsigned int)image->height);
1988 XFreeGC(R->Xdisplay, gc);
1989 XDestroyImage(image);
1990 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
1991 R->TermWin.pixmap);
1992 if (!R->am_transparent || !R->am_pixmap_trans)
1993 pchanged = 1;
1994 R->am_transparent = R->am_pixmap_trans = 1;
1995 }
1996 }
1997 if (!R->am_pixmap_trans) {
1998 unsigned int n;
1999 /*
2000 * InheritPixmap transparency
2001 */
2002 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
2003 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
2004 i++) {
2005 oldp = R->TermWin.parent[i];
2006 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2007 &R->TermWin.parent[i], &list, &n);
2008 XFree(list);
2009 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2010 if (R->TermWin.parent[i] == Xroot) {
2011 if (oldp != None)
2012 pchanged = 1;
2013 break;
2014 }
2015 if (oldp != R->TermWin.parent[i])
2016 pchanged = 1;
2017 }
2018 n = 0;
2019 if (pchanged) {
2020 for (; n < (unsigned int)i; n++) {
2021 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2022 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2023 if (wattr.depth != rootdepth || wattr.c_class == InputOnly) {
2024 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2025 break;
2026 }
2027 }
2028 }
2029 if (n > (int)(sizeof(R->TermWin.parent)
2030 / sizeof(R->TermWin.parent[0]))) {
2031 D_X((stderr, "InheritPixmap Turning off"));
2032 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2033 R->PixColors[Color_fg]);
2034 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2035 R->PixColors[Color_bg]);
2036 R->am_transparent = 0;
2037 /* XXX: also turn off Opt_transparent? */
2038 } else {
2039 /* wait (an arbitrary period) for the WM to do its thing
2040 * needed for fvwm2.2.2 (and before?) */
2041 # ifdef HAVE_NANOSLEEP
2042 struct timespec rqt;
2043
2044 rqt.tv_sec = 1;
2045 rqt.tv_nsec = 0;
2046 nanosleep(&rqt, NULL);
2047 # else
2048 sleep(1);
2049 # endif
2050 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2051 for (n = 0; n < (unsigned int)i; n++)
2052 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2053 ParentRelative);
2054 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2055 ParentRelative);
2056 R->am_transparent = 1;
2057 }
2058 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2059 R->TermWin.parent[i] = None;
2060 }
2061 return pchanged;
2062 }
2063 #endif
2064
2065 /*}}} */
2066
2067 /*{{{ print pipe */
2068 /*----------------------------------------------------------------------*/
2069 #ifdef PRINTPIPE
2070 /* EXTPROTO */
2071 FILE *
2072 rxvt_popen_printer(pR)
2073 {
2074 FILE *stream = popen(R->rs[Rs_print_pipe], "w");
2075
2076 if (stream == NULL)
2077 rxvt_print_error("can't open printer pipe");
2078 return stream;
2079 }
2080
2081 /* EXTPROTO */
2082 int
2083 rxvt_pclose_printer (FILE *stream)
2084 {
2085 fflush (stream);
2086 /* pclose() reported not to work on SunOS 4.1.3 */
2087 # if defined (__sun__) /* TODO: RESOLVE THIS */
2088 /* pclose works provided SIGCHLD handler uses waitpid */
2089 return pclose (stream); /* return fclose (stream); */
2090 # else
2091 return pclose (stream);
2092 # endif
2093 }
2094
2095 /*
2096 * simulate attached vt100 printer
2097 */
2098 /* INTPROTO */
2099 void
2100 rxvt_process_print_pipe(pR)
2101 {
2102 int done;
2103 FILE *fd;
2104
2105 if ((fd = rxvt_popen_printer(aR)) == NULL)
2106 return;
2107
2108 /*
2109 * Send all input to the printer until either ESC[4i or ESC[?4i
2110 * is received.
2111 */
2112 for (done = 0; !done;) {
2113 unsigned char buf[8];
2114 unsigned char ch;
2115 unsigned int i, len;
2116
2117 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2118 if (putc(ch, fd) == EOF)
2119 break; /* done = 1 */
2120 } else {
2121 len = 0;
2122 buf[len++] = ch;
2123
2124 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2125 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2126 buf[len++] = '?';
2127 ch = rxvt_cmd_getc(aR);
2128 }
2129 if ((buf[len++] = ch) == '4') {
2130 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2131 break; /* done = 1 */
2132 }
2133 }
2134 for (i = 0; i < len; i++)
2135 if (putc(buf[i], fd) == EOF) {
2136 done = 1;
2137 break;
2138 }
2139 }
2140 }
2141 rxvt_pclose_printer(fd);
2142 }
2143 #endif /* PRINTPIPE */
2144 /*}}} */
2145
2146 /* *INDENT-OFF* */
2147 enum {
2148 C1_40 = 0x40,
2149 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2150 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2151 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2152 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2153 };
2154 /* *INDENT-ON* */
2155
2156 /*{{{ process non-printing single characters */
2157 /* INTPROTO */
2158 void
2159 rxvt_process_nonprinting(pR_ unsigned char ch)
2160 {
2161 switch (ch) {
2162 case C0_ENQ: /* terminal Status */
2163 if (R->rs[Rs_answerbackstring])
2164 R->tt_write(
2165 (const unsigned char *)R->rs[Rs_answerbackstring],
2166 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2167 else
2168 R->tt_write((unsigned char *)VT100_ANS,
2169 (unsigned int)STRLEN(VT100_ANS));
2170 break;
2171 case C0_BEL: /* bell */
2172 rxvt_scr_bell(aR);
2173 break;
2174 case C0_BS: /* backspace */
2175 rxvt_scr_backspace(aR);
2176 break;
2177 case C0_HT: /* tab */
2178 rxvt_scr_tab(aR_ 1);
2179 break;
2180 case C0_CR: /* carriage return */
2181 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2182 break;
2183 case C0_VT: /* vertical tab, form feed */
2184 case C0_FF:
2185 case C0_LF: /* line feed */
2186 rxvt_scr_index(aR_ UP);
2187 break;
2188 case C0_SO: /* shift out - acs */
2189 rxvt_scr_charset_choose(aR_ 1);
2190 break;
2191 case C0_SI: /* shift in - acs */
2192 rxvt_scr_charset_choose(aR_ 0);
2193 break;
2194 }
2195 }
2196 /*}}} */
2197
2198
2199 /*{{{ process VT52 escape sequences */
2200 /* INTPROTO */
2201 void
2202 rxvt_process_escape_vt52(pR_ unsigned char ch)
2203 {
2204 int row, col;
2205
2206 switch (ch) {
2207 case 'A': /* cursor up */
2208 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2209 break;
2210 case 'B': /* cursor down */
2211 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2212 break;
2213 case 'C': /* cursor right */
2214 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2215 break;
2216 case 'D': /* cursor left */
2217 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2218 break;
2219 case 'H': /* cursor home */
2220 rxvt_scr_gotorc(aR_ 0, 0, 0);
2221 break;
2222 case 'I': /* cursor up and scroll down if needed */
2223 rxvt_scr_index(aR_ DN);
2224 break;
2225 case 'J': /* erase to end of screen */
2226 rxvt_scr_erase_screen(aR_ 0);
2227 break;
2228 case 'K': /* erase to end of line */
2229 rxvt_scr_erase_line(aR_ 0);
2230 break;
2231 case 'Y': /* move to specified row and col */
2232 /* full command is 'ESC Y row col' where row and col
2233 * are encoded by adding 32 and sending the ascii
2234 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2235 * etc. */
2236 row = rxvt_cmd_getc(aR) - ' ';
2237 col = rxvt_cmd_getc(aR) - ' ';
2238 rxvt_scr_gotorc(aR_ row, col, 0);
2239 break;
2240 case 'Z': /* identify the terminal type */
2241 R->tt_printf("\033/Z"); /* I am a VT100 emulating a VT52 */
2242 break;
2243 case '<': /* turn off VT52 mode */
2244 PrivMode(0, PrivMode_vt52);
2245 break;
2246 case 'F': /* use special graphics character set */
2247 case 'G': /* use regular character set */
2248 /* unimplemented */
2249 break;
2250 case '=': /* use alternate keypad mode */
2251 case '>': /* use regular keypad mode */
2252 /* unimplemented */
2253 break;
2254 }
2255 }
2256 /*}}} */
2257
2258
2259 /*{{{ process escape sequences */
2260 /* INTPROTO */
2261 void
2262 rxvt_process_escape_seq(pR)
2263 {
2264 unsigned char ch = rxvt_cmd_getc(aR);
2265
2266 if (R->PrivateModes & PrivMode_vt52) {
2267 rxvt_process_escape_vt52(aR_ ch);
2268 return;
2269 }
2270
2271 switch (ch) {
2272 /* case 1: do_tek_mode (); break; */
2273 case '#':
2274 if (rxvt_cmd_getc(aR) == '8')
2275 rxvt_scr_E(aR);
2276 break;
2277 case '(':
2278 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2279 break;
2280 case ')':
2281 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2282 break;
2283 case '*':
2284 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2285 break;
2286 case '+':
2287 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2288 break;
2289 #ifdef MULTICHAR_SET
2290 case '$':
2291 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2292 break;
2293 #endif
2294 #ifndef NO_FRILLS
2295 case '6':
2296 rxvt_scr_backindex(aR);
2297 break;
2298 #endif
2299 case '7':
2300 rxvt_scr_cursor(aR_ SAVE);
2301 break;
2302 case '8':
2303 rxvt_scr_cursor(aR_ RESTORE);
2304 break;
2305 #ifndef NO_FRILLS
2306 case '9':
2307 rxvt_scr_forwardindex(aR);
2308 break;
2309 #endif
2310 case '=':
2311 case '>':
2312 PrivMode((ch == '='), PrivMode_aplKP);
2313 break;
2314
2315 case C1_40:
2316 rxvt_cmd_getc(aR);
2317 break;
2318 case C1_44:
2319 rxvt_scr_index(aR_ UP);
2320 break;
2321
2322 /* 8.3.87: NEXT LINE */
2323 case C1_NEL: /* ESC E */
2324 {
2325 uint32_t nlcr[] = { '\n', '\r' };
2326 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2327 }
2328 break;
2329
2330 /* kidnapped escape sequence: Should be 8.3.48 */
2331 case C1_ESA: /* ESC G */
2332 rxvt_process_graphics(aR);
2333 break;
2334
2335 /* 8.3.63: CHARACTER TABULATION SET */
2336 case C1_HTS: /* ESC H */
2337 rxvt_scr_set_tab(aR_ 1);
2338 break;
2339
2340 /* 8.3.105: REVERSE LINE FEED */
2341 case C1_RI: /* ESC M */
2342 rxvt_scr_index(aR_ DN);
2343 break;
2344
2345 /* 8.3.142: SINGLE-SHIFT TWO */
2346 /*case C1_SS2: scr_single_shift (2); break; */
2347
2348 /* 8.3.143: SINGLE-SHIFT THREE */
2349 /*case C1_SS3: scr_single_shift (3); break; */
2350
2351 /* 8.3.27: DEVICE CONTROL STRING */
2352 case C1_DCS: /* ESC P */
2353 rxvt_process_dcs_seq(aR);
2354 break;
2355
2356 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2357 case C1_SCI: /* ESC Z */
2358 R->tt_write((const unsigned char *)ESCZ_ANSWER,
2359 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2360 break; /* steal obsolete ESC [ c */
2361
2362 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2363 case C1_CSI: /* ESC [ */
2364 rxvt_process_csi_seq(aR);
2365 break;
2366
2367 /* 8.3.90: OPERATING SYSTEM COMMAND */
2368 case C1_OSC: /* ESC ] */
2369 rxvt_process_osc_seq(aR);
2370 break;
2371
2372 /* 8.3.106: RESET TO INITIAL STATE */
2373 case 'c':
2374 rxvt_scr_poweron(aR);
2375 rxvt_scrollbar_show(aR_ 1);
2376 break;
2377
2378 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2379 case 'n':
2380 rxvt_scr_charset_choose(aR_ 2);
2381 break;
2382
2383 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2384 case 'o':
2385 rxvt_scr_charset_choose(aR_ 3);
2386 break;
2387 }
2388 }
2389 /*}}} */
2390
2391 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2392 /* *INDENT-OFF* */
2393 enum {
2394 CSI_ICH = 0x40,
2395 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2396 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2397 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2398 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2399 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2400 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2401 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2402 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2403 };
2404
2405 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2406 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2407 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2408 #define get_byte_array_bit(array, bit) \
2409 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2410
2411 const unsigned char csi_defaults[] = {
2412 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2413 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2414 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2415 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2416 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2417 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2418 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2419 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2420 };
2421 /* *INDENT-ON* */
2422
2423 /* INTPROTO */
2424 void
2425 rxvt_process_csi_seq(pR)
2426 {
2427 unsigned char ch, priv, i;
2428 unsigned int nargs, p;
2429 int n, ndef;
2430 int arg[ESC_ARGS];
2431
2432 for (nargs = ESC_ARGS; nargs > 0;)
2433 arg[--nargs] = 0;
2434
2435 priv = 0;
2436 ch = rxvt_cmd_getc(aR);
2437 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2438 priv = ch;
2439 ch = rxvt_cmd_getc(aR);
2440 }
2441 /* read any numerical arguments */
2442 for (n = -1; ch < CSI_ICH; ) {
2443 if (isdigit(ch)) {
2444 if (n < 0)
2445 n = ch - '0';
2446 else
2447 n = n * 10 + ch - '0';
2448 } else if (ch == ';') {
2449 if (nargs < ESC_ARGS)
2450 arg[nargs++] = n;
2451 n = -1;
2452 } else if (ch == '\b') {
2453 rxvt_scr_backspace(aR);
2454 } else if (ch == C0_ESC) {
2455 rxvt_process_escape_seq(aR);
2456 return;
2457 } else if (ch < ' ') {
2458 rxvt_process_nonprinting(aR_ ch);
2459 }
2460 ch = rxvt_cmd_getc(aR);
2461 }
2462
2463 if (ch > CSI_7F)
2464 return;
2465
2466 if (nargs < ESC_ARGS)
2467 arg[nargs++] = n;
2468
2469 i = ch - CSI_ICH;
2470 ndef = get_byte_array_bit(csi_defaults, i);
2471 for (p = 0; p < nargs; p++)
2472 if (arg[p] == -1)
2473 arg[p] = ndef;
2474
2475 #ifdef DEBUG_CMD
2476 fprintf(stderr, "CSI ");
2477 for (p = 0; p < nargs; p++)
2478 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2479 fprintf(stderr, "%c\n", ch);
2480 #endif
2481
2482 /*
2483 * private mode handling
2484 */
2485 if (priv) {
2486 switch (priv) {
2487 case '>':
2488 if (ch == CSI_DA) /* secondary device attributes */
2489 R->tt_printf("\033[>%d;%-.8s;0c", 'R', VSTRING);
2490 break;
2491 case '?':
2492 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2493 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2494 break;
2495 }
2496 return;
2497 }
2498
2499 switch (ch) {
2500 /*
2501 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2502 */
2503 #ifdef PRINTPIPE
2504 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2505 switch (arg[0]) {
2506 case 0: /* initiate transfer to primary aux device */
2507 rxvt_scr_printscreen(aR_ 0);
2508 break;
2509 case 5: /* start relay to primary aux device */
2510 rxvt_process_print_pipe(aR);
2511 break;
2512 }
2513 break;
2514 #endif
2515
2516 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2517 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2518 arg[0] = -arg[0];
2519 /* FALLTHROUGH */
2520 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2521 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2522 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2523 break;
2524
2525 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2526 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2527 #ifdef ISO6429
2528 arg[0] = -arg[0];
2529 #else /* emulate common DEC VTs */
2530 arg[0] = arg[0] ? -arg[0] : -1;
2531 #endif
2532 /* FALLTHROUGH */
2533 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2534 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2535 #ifdef ISO6429
2536 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2537 #else /* emulate common DEC VTs */
2538 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2539 #endif
2540 break;
2541
2542 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2543 arg[0] = -arg[0];
2544 /* FALLTHROUGH */
2545 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2546 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2547 break;
2548
2549 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2550 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2551 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2552 break;
2553
2554 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2555 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2556 break;
2557
2558 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2559 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2560 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2561 break;
2562
2563 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2564 arg[0] = -arg[0];
2565 /* FALLTHROUGH */
2566 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2567 rxvt_scr_tab(aR_ arg[0]);
2568 break;
2569
2570 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2571 rxvt_scr_erase_screen(aR_ arg[0]);
2572 break;
2573
2574 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2575 rxvt_scr_erase_line(aR_ arg[0]);
2576 break;
2577
2578 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2579 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2580 break;
2581
2582 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2583 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2584 break;
2585
2586 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2587 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2588 break;
2589
2590 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2591 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2592 break;
2593
2594 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2595 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2596 break;
2597
2598 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2599 arg[0] = -arg[0];
2600 /* FALLTHROUGH */
2601 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2602 R->scr_scroll_text (R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2603 break;
2604
2605 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2606 R->tt_write((const unsigned char *)VT100_ANS,
2607 (unsigned int)(sizeof(VT100_ANS) - 1));
2608 break;
2609
2610 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2611 rxvt_process_sgr_mode(aR_ nargs, arg);
2612 break;
2613
2614 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2615 switch (arg[0]) {
2616 case 5: /* DSR requested */
2617 R->tt_printf("\033[0n");
2618 break;
2619 case 6: /* CPR requested */
2620 rxvt_scr_report_position(aR);
2621 break;
2622 #if defined (ENABLE_DISPLAY_ANSWER)
2623 case 7: /* unofficial extension */
2624 R->tt_printf("%-.250s\n", R->rs[Rs_display_name]);
2625 break;
2626 #endif
2627 case 8: /* unofficial extension */
2628 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2629 break;
2630 }
2631 break;
2632
2633 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2634 switch (arg[0]) {
2635 case 0: /* char tab stop cleared at active position */
2636 rxvt_scr_set_tab(aR_ 0);
2637 break;
2638 /* case 1: */ /* line tab stop cleared in active line */
2639 /* case 2: */ /* char tab stops cleared in active line */
2640 case 3: /* all char tab stops are cleared */
2641 /* case 4: */ /* all line tab stops are cleared */
2642 case 5: /* all tab stops are cleared */
2643 rxvt_scr_set_tab(aR_ -1);
2644 break;
2645 }
2646 break;
2647
2648 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2649 switch (arg[0]) {
2650 case 0: /* char tab stop set at active position */
2651 rxvt_scr_set_tab(aR_ 1);
2652 break; /* = ESC H */
2653 /* case 1: */ /* line tab stop set at active line */
2654 case 2: /* char tab stop cleared at active position */
2655 rxvt_scr_set_tab(aR_ 0);
2656 break; /* = ESC [ 0 g */
2657 /* case 3: */ /* line tab stop cleared at active line */
2658 /* case 4: */ /* char tab stops cleared at active line */
2659 case 5: /* all char tab stops are cleared */
2660 rxvt_scr_set_tab(aR_ -1);
2661 break; /* = ESC [ 3 g */
2662 /* case 6: */ /* all line tab stops are cleared */
2663 }
2664 break;
2665
2666 case CSI_RM: /* 8.3.107: RESET MODE */
2667 if (arg[0] == 4)
2668 rxvt_scr_insert_mode(aR_ 0);
2669 break;
2670
2671 case CSI_SM: /* 8.3.126: SET MODE */
2672 if (arg[0] == 4)
2673 rxvt_scr_insert_mode(aR_ 1);
2674 break;
2675
2676 /*
2677 * PRIVATE USE beyond this point. All CSI_7? sequences here
2678 */
2679 case CSI_72: /* DECSTBM: set top and bottom margins */
2680 if (nargs == 1)
2681 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2682 else if (nargs == 0 || arg[0] >= arg[1])
2683 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2684 else
2685 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2686 break;
2687
2688 case CSI_73:
2689 rxvt_scr_cursor(aR_ SAVE);
2690 break;
2691 case CSI_75:
2692 rxvt_scr_cursor(aR_ RESTORE);
2693 break;
2694
2695 #ifndef NO_FRILLS
2696 case CSI_74:
2697 rxvt_process_window_ops(aR_ arg, nargs);
2698 break;
2699 #endif
2700
2701 case CSI_78: /* DECREQTPARM */
2702 if (arg[0] == 0 || arg[0] == 1)
2703 R->tt_printf("\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2704 /* FALLTHROUGH */
2705
2706 default:
2707 break;
2708 }
2709 }
2710 /*}}} */
2711
2712 #ifndef NO_FRILLS
2713 /* ARGSUSED */
2714 /* INTPROTO */
2715 void
2716 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2717 {
2718 int x, y;
2719 #if 0
2720 char *s;
2721 #endif
2722 XWindowAttributes wattr;
2723 Window wdummy;
2724
2725 if (nargs == 0)
2726 return;
2727 switch (args[0]) {
2728 /*
2729 * commands
2730 */
2731 case 1: /* deiconify window */
2732 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2733 break;
2734 case 2: /* iconify window */
2735 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2736 DefaultScreen(R->Xdisplay));
2737 break;
2738 case 3: /* set position (pixels) */
2739 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2740 break;
2741 case 4: /* set size (pixels) */
2742 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2743 break;
2744 case 5: /* raise window */
2745 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2746 break;
2747 case 6: /* lower window */
2748 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2749 break;
2750 case 7: /* refresh window */
2751 rxvt_scr_touch(aR_ True);
2752 break;
2753 case 8: /* set size (chars) */
2754 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2755 (unsigned int)(args[1] * R->TermWin.fheight));
2756 break;
2757 default:
2758 if (args[0] >= 24) /* set height (chars) */
2759 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2760 (unsigned int)(args[1] * R->TermWin.fheight));
2761 break;
2762 /*
2763 * reports - some output format copied from XTerm
2764 */
2765 case 11: /* report window state */
2766 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2767 R->tt_printf("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2768 break;
2769 case 13: /* report window position */
2770 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2771 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2772 -wattr.border_width, -wattr.border_width,
2773 &x, &y, &wdummy);
2774 R->tt_printf("\033[3;%d;%dt", x, y);
2775 break;
2776 case 14: /* report window size (pixels) */
2777 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2778 R->tt_printf("\033[4;%d;%dt", wattr.height, wattr.width);
2779 break;
2780 case 18: /* report window size (chars) */
2781 R->tt_printf("\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2782 break;
2783 #if 0 /* XXX: currently disabled due to security concerns */
2784 case 20: /* report icon label */
2785 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2786 R->tt_printf("\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2787 break;
2788 case 21: /* report window title */
2789 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2790 R->tt_printf("\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2791 break;
2792 #endif
2793 }
2794 }
2795 #endif
2796
2797 /*----------------------------------------------------------------------*/
2798 /*
2799 * get input up until STRING TERMINATOR (or BEL)
2800 * ends_how is terminator used. returned input must be free()d
2801 */
2802 /* INTPROTO */
2803 unsigned char *
2804 rxvt_get_to_st(pR_ unsigned char *ends_how)
2805 {
2806 int seen_esc = 0; /* seen escape? */
2807 unsigned int n = 0;
2808 unsigned char *s;
2809 unsigned char ch, string[STRING_MAX];
2810
2811 for (; (ch = rxvt_cmd_getc(aR));) {
2812 if (ch == C0_BEL
2813 || ch == CHAR_ST
2814 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2815 break;
2816 if (ch == C0_ESC) {
2817 seen_esc = 1;
2818 continue;
2819 } else if (ch == '\t')
2820 ch = ' '; /* translate '\t' to space */
2821 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2822 return NULL; /* other control character - exit */
2823 if (n < sizeof(string) - 1)
2824 string[n++] = ch;
2825 seen_esc = 0;
2826 }
2827 string[n++] = '\0';
2828 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2829 return NULL;
2830 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2831 STRNCPY(s, string, n);
2832 return s;
2833 }
2834
2835 /*----------------------------------------------------------------------*/
2836 /*
2837 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2838 */
2839 /* INTPROTO */
2840 void
2841 rxvt_process_dcs_seq(pR)
2842 {
2843 unsigned char eh, *s;
2844 /*
2845 * Not handled yet
2846 */
2847 s = rxvt_get_to_st(aR_ &eh);
2848 if (s)
2849 free(s);
2850 return;
2851 }
2852
2853 /*----------------------------------------------------------------------*/
2854 /*
2855 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2856 */
2857 /* INTPROTO */
2858 void
2859 rxvt_process_osc_seq(pR)
2860 {
2861 unsigned char ch, eh, *s;
2862 int arg;
2863
2864 ch = rxvt_cmd_getc(aR);
2865 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2866 arg = arg * 10 + (ch - '0');
2867
2868 if (ch == ';') {
2869 s = rxvt_get_to_st(aR_ &eh);
2870 if (s) {
2871 /*
2872 * rxvt_menubar_dispatch() violates the constness of the string,
2873 * so do it here
2874 */
2875 if (arg == XTerm_Menu)
2876 #if 0 /* XXX: currently disabled due to security concerns */
2877 rxvt_menubar_dispatch(aR_ (char *)s);
2878 #else
2879 0;
2880 #endif
2881 else
2882 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2883 free(s);
2884 }
2885 }
2886 }
2887 /*
2888 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2889 * 0 = change iconName/title
2890 * 1 = change iconName
2891 * 2 = change title
2892 * 4 = change color
2893 * 12 = change text color
2894 * 13 = change mouse foreground color
2895 * 17 = change highlight character colour
2896 * 18 = change bold character color
2897 * 19 = change underlined character color
2898 * 46 = change logfile (not implemented)
2899 * 50 = change font
2900 *
2901 * rxvt extensions:
2902 * 10 = menu (may change in future)
2903 * 20 = bg pixmap
2904 * 39 = change default fg color
2905 * 49 = change default bg color
2906 * 55 = dump scrollback buffer and all of screen
2907 */
2908 /* EXTPROTO */
2909 void
2910 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2911 {
2912 int changed = 0;
2913 int color;
2914 char *buf, *name;
2915
2916 assert(str != NULL);
2917 switch (op) {
2918 case XTerm_name:
2919 rxvt_set_title(aR_ str);
2920 /* FALLTHROUGH */
2921 case XTerm_iconName:
2922 rxvt_set_iconName(aR_ str);
2923 break;
2924 case XTerm_title:
2925 rxvt_set_title(aR_ str);
2926 break;
2927 case XTerm_Color:
2928 for (buf = (char *)str; buf && *buf;) {
2929 if ((name = STRCHR(buf, ';')) == NULL)
2930 break;
2931 *name++ = '\0';
2932 color = atoi(buf);
2933 if (color < 0 || color >= TOTAL_COLORS)
2934 break;
2935 if ((buf = STRCHR(name, ';')) != NULL)
2936 *buf++ = '\0';
2937 rxvt_set_window_color(aR_ color + minCOLOR, name);
2938 }
2939 break;
2940 #ifndef NO_CURSORCOLOR
2941 case XTerm_Color_cursor:
2942 rxvt_set_window_color(aR_ Color_cursor, str);
2943 break;
2944 #endif
2945 case XTerm_Color_pointer:
2946 rxvt_set_window_color(aR_ Color_pointer, str);
2947 break;
2948 #ifndef NO_BOLD_UNDERLINE_REVERSE
2949 case XTerm_Color_BD:
2950 rxvt_set_window_color(aR_ Color_BD, str);
2951 break;
2952 case XTerm_Color_UL:
2953 rxvt_set_window_color(aR_ Color_UL, str);
2954 break;
2955 case XTerm_Color_RV:
2956 rxvt_set_window_color(aR_ Color_RV, str);
2957 break;
2958 #endif
2959
2960 case XTerm_Menu:
2961 /*
2962 * rxvt_menubar_dispatch() violates the constness of the string,
2963 * so DON'T do it here
2964 */
2965 break;
2966 case XTerm_Pixmap:
2967 if (*str != ';') {
2968 #if XPM_BACKGROUND
2969 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2970 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2971 #endif
2972 rxvt_scr_touch(aR_ True);
2973 }
2974 while ((str = STRCHR(str, ';')) != NULL) {
2975 str++;
2976 #if XPM_BACKGROUND
2977 changed += rxvt_scale_pixmap(aR_ str);
2978 #endif
2979 }
2980 if (changed) {
2981 #ifdef XPM_BACKGROUND
2982 rxvt_resize_pixmap(aR);
2983 #endif
2984 rxvt_scr_touch(aR_ True);
2985 }
2986 break;
2987
2988 case XTerm_restoreFG:
2989 rxvt_set_window_color(aR_ Color_fg, str);
2990 break;
2991 case XTerm_restoreBG:
2992 rxvt_set_window_color(aR_ Color_bg, str);
2993 break;
2994 case XTerm_logfile:
2995 break;
2996 case XTerm_font:
2997 rxvt_change_font(aR_ 0, str);
2998 break;
2999 #if 0
3000 case XTerm_dumpscreen: /* no error notices */
3001 {
3002 int fd;
3003 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
3004 rxvt_scr_dump(aR_ fd);
3005 close(fd);
3006 }
3007 }
3008 break;
3009 #endif
3010 }
3011 }
3012 /*----------------------------------------------------------------------*/
3013
3014 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
3015 /*
3016 * mode can only have the following values:
3017 * 'l' = low
3018 * 'h' = high
3019 * 's' = save
3020 * 'r' = restore
3021 * 't' = toggle
3022 * so no need for fancy checking
3023 */
3024 /* INTPROTO */
3025 int
3026 rxvt_privcases(pR_ int mode, unsigned long bit)
3027 {
3028 int state;
3029
3030 if (mode == 's') {
3031 R->SavedModes |= (R->PrivateModes & bit);
3032 return -1;
3033 } else {
3034 if (mode == 'r')
3035 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */
3036 else
3037 state = (mode == 't') ? !(R->PrivateModes & bit) : mode;
3038 PrivMode(state, bit);
3039 }
3040 return state;
3041 }
3042
3043 /* we're not using priv _yet_ */
3044 /* INTPROTO */
3045 void
3046 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3047 {
3048 unsigned int i, j;
3049 int state;
3050 static const struct {
3051 const int argval;
3052 const unsigned long bit;
3053 } argtopriv[] = {
3054 { 1, PrivMode_aplCUR },
3055 { 2, PrivMode_vt52 },
3056 { 3, PrivMode_132 },
3057 { 4, PrivMode_smoothScroll },
3058 { 5, PrivMode_rVideo },
3059 { 6, PrivMode_relOrigin },
3060 { 7, PrivMode_Autowrap },
3061 { 9, PrivMode_MouseX10 },
3062 #ifdef menuBar_esc
3063 { menuBar_esc, PrivMode_menuBar },
3064 #endif
3065 #ifdef scrollBar_esc
3066 { scrollBar_esc, PrivMode_scrollBar },
3067 #endif
3068 { 25, PrivMode_VisibleCursor },
3069 { 35, PrivMode_ShiftKeys },
3070 { 40, PrivMode_132OK },
3071 { 47, PrivMode_Screen },
3072 { 66, PrivMode_aplKP },
3073 #ifndef NO_BACKSPACE_KEY
3074 { 67, PrivMode_BackSpace },
3075 #endif
3076 { 1000, PrivMode_MouseX11 },
3077 { 1010, PrivMode_TtyOutputInh },
3078 { 1011, PrivMode_Keypress },
3079 { 1047, PrivMode_Screen },
3080 };
3081
3082 if (nargs == 0)
3083 return;
3084
3085 /* make lo/hi boolean */
3086 if (mode == 'l')
3087 mode = 0; /* reset */
3088 else if (mode == 'h')
3089 mode = 1; /* set */
3090
3091 for (i = 0; i < nargs; i++) {
3092 state = -1;
3093
3094 /* basic handling */
3095 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3096 if (argtopriv[j].argval == arg[i]) {
3097 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3098 break;
3099 }
3100
3101 /* extra handling for values with state unkept */
3102 if (state == -1)
3103 switch (arg[i]) {
3104 case 1048: /* alternative cursor save */
3105 if (mode == 0)
3106 rxvt_scr_cursor(aR_ RESTORE);
3107 else if (mode == 1)
3108 rxvt_scr_cursor(aR_ SAVE);
3109 /* FALLTHROUGH */
3110 default:
3111 continue; /* for(;i;) */
3112 }
3113
3114 /* extra handling for values with valid 0 or 1 state */
3115 switch (arg[i]) {
3116 /* case 1: - application cursor keys */
3117 case 2: /* VT52 mode */
3118 /* oddball mode. should be set regardless of set/reset
3119 * parameter. Return from VT52 mode with an ESC < from
3120 * within VT52 mode
3121 */
3122 PrivMode(1, PrivMode_vt52);
3123 break;
3124 case 3: /* 80/132 */
3125 if (R->PrivateModes & PrivMode_132OK)
3126 rxvt_set_widthheight(aR_
3127 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3128 (unsigned int)R->TermWin.height);
3129 break;
3130 case 4: /* smooth scrolling */
3131 if (state)
3132 R->Options &= ~Opt_jumpScroll;
3133 else
3134 R->Options |= Opt_jumpScroll;
3135 break;
3136 case 5: /* reverse video */
3137 rxvt_scr_rvideo_mode(aR_ state);
3138 break;
3139 case 6: /* relative/absolute origins */
3140 rxvt_scr_relative_origin(aR_ state);
3141 break;
3142 case 7: /* autowrap */
3143 rxvt_scr_autowrap(aR_ state);
3144 break;
3145 /* case 8: - auto repeat, can't do on a per window basis */
3146 case 9: /* X10 mouse reporting */
3147 if (state) /* orthogonal */
3148 R->PrivateModes &= ~(PrivMode_MouseX11);
3149 break;
3150 #ifdef menuBar_esc
3151 case menuBar_esc:
3152 #ifdef MENUBAR
3153 rxvt_map_menuBar(aR_ state);
3154 #endif
3155 break;
3156 #endif
3157 #ifdef scrollBar_esc
3158 case scrollBar_esc:
3159 if (rxvt_scrollbar_mapping(aR_ state)) {
3160 rxvt_resize_all_windows(aR_ 0, 0, 0);
3161 rxvt_scr_touch(aR_ True);
3162 }
3163 break;
3164 #endif
3165 case 25: /* visible/invisible cursor */
3166 rxvt_scr_cursor_visible(aR_ state);
3167 break;
3168 /* case 35: - shift keys */
3169 /* case 40: - 80 <--> 132 mode */
3170 case 47: /* secondary screen */
3171 rxvt_scr_change_screen(aR_ state);
3172 break;
3173 /* case 66: - application key pad */
3174 /* case 67: - backspace key */
3175 case 1000: /* X11 mouse reporting */
3176 if (state) /* orthogonal */
3177 R->PrivateModes &= ~(PrivMode_MouseX10);
3178 break;
3179 #if 0
3180 case 1001:
3181 break; /* X11 mouse highlighting */
3182 #endif
3183 case 1010: /* scroll to bottom on TTY output inhibit */
3184 if (state)
3185 R->Options &= ~Opt_scrollTtyOutput;
3186 else
3187 R->Options |= Opt_scrollTtyOutput;
3188 break;
3189 case 1011: /* scroll to bottom on key press */
3190 if (state)
3191 R->Options |= Opt_scrollTtyKeypress;
3192 else
3193 R->Options &= ~Opt_scrollTtyKeypress;
3194 break;
3195 case 1047: /* secondary screen w/ clearing */
3196 if (R->current_screen != PRIMARY)
3197 rxvt_scr_erase_screen(aR_ 2);
3198 rxvt_scr_change_screen(aR_ state);
3199 /* FALLTHROUGH */
3200 default:
3201 break;
3202 }
3203 }
3204 }
3205 /*}}} */
3206
3207 /*{{{ process sgr sequences */
3208 /* INTPROTO */
3209 void
3210 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3211 {
3212 unsigned int i;
3213 short rendset;
3214 int rendstyle;
3215
3216 if (nargs == 0) {
3217 rxvt_scr_rendition(aR_ 0, ~RS_None);
3218 return;
3219 }
3220 for (i = 0; i < nargs; i++) {
3221 rendset = -1;
3222 switch (arg[i]) {
3223 case 0:
3224 rendset = 0, rendstyle = ~RS_None;
3225 break;
3226 case 1:
3227 rendset = 1, rendstyle = RS_Bold;
3228 break;
3229 case 4:
3230 rendset = 1, rendstyle = RS_Uline;
3231 break;
3232 case 5:
3233 rendset = 1, rendstyle = RS_Blink;
3234 break;
3235 case 7:
3236 rendset = 1, rendstyle = RS_RVid;
3237 break;
3238 case 22:
3239 rendset = 0, rendstyle = RS_Bold;
3240 break;
3241 case 24:
3242 rendset = 0, rendstyle = RS_Uline;
3243 break;
3244 case 25:
3245 rendset = 0, rendstyle = RS_Blink;
3246 break;
3247 case 27:
3248 rendset = 0, rendstyle = RS_RVid;
3249 break;
3250 }
3251 if (rendset != -1) {
3252 rxvt_scr_rendition(aR_ rendset, rendstyle);
3253 continue; /* for(;i;) */
3254 }
3255
3256 switch (arg[i]) {
3257 case 30:
3258 case 31: /* set fg color */
3259 case 32:
3260 case 33:
3261 case 34:
3262 case 35:
3263 case 36:
3264 case 37:
3265 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3266 Color_fg);
3267 break;
3268 #ifdef TTY_256COLOR
3269 case 38:
3270 if (nargs > i + 2 && arg[i + 1] == 5) {
3271 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3272 Color_fg);
3273 i += 2;
3274 }
3275 break;
3276 #endif
3277 case 39: /* default fg */
3278 rxvt_scr_color(aR_ Color_fg, Color_fg);
3279 break;
3280
3281 case 40:
3282 case 41: /* set bg color */
3283 case 42:
3284 case 43:
3285 case 44:
3286 case 45:
3287 case 46:
3288 case 47:
3289 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3290 Color_bg);
3291 break;
3292 #ifdef TTY_256COLOR
3293 case 48:
3294 if (nargs > i + 2 && arg[i + 1] == 5) {
3295 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3296 Color_bg);
3297 i += 2;
3298 }
3299 break;
3300 #endif
3301 case 49: /* default bg */
3302 rxvt_scr_color(aR_ Color_bg, Color_bg);
3303 break;
3304
3305 #ifndef NO_BRIGHTCOLOR
3306 case 90:
3307 case 91: /* set bright fg color */
3308 case 92:
3309 case 93:
3310 case 94:
3311 case 95:
3312 case 96:
3313 case 97:
3314 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3315 Color_fg);
3316 break;
3317 case 100:
3318 case 101: /* set bright bg color */
3319 case 102:
3320 case 103:
3321 case 104:
3322 case 105:
3323 case 106:
3324 case 107:
3325 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3326 Color_bg);
3327 break;
3328 #endif
3329 }
3330 }
3331 }
3332 /*}}} */
3333
3334 /*{{{ process Rob Nation's own graphics mode sequences */
3335 /* INTPROTO */
3336 void
3337 rxvt_process_graphics(pR)
3338 {
3339 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3340
3341 #ifndef RXVT_GRAPHICS
3342 if (cmd == 'Q') { /* query graphics */
3343 R->tt_printf("\033G0\n"); /* no graphics */
3344 return;
3345 }
3346 /* swallow other graphics sequences until terminating ':' */
3347 do
3348 ch = rxvt_cmd_getc(aR);
3349 while (ch != ':');
3350 #else
3351 unsigned int nargs;
3352 int args[NGRX_PTS];
3353 unsigned char *text = NULL;
3354
3355 if (cmd == 'Q') { /* query graphics */
3356 R->tt_printf("\033G1\n"); /* yes, graphics (color) */
3357 return;
3358 }
3359 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3360 int neg;
3361
3362 ch = rxvt_cmd_getc(aR);
3363 neg = (ch == '-');
3364 if (neg || ch == '+')
3365 ch = rxvt_cmd_getc(aR);
3366
3367 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3368 args[nargs] = args[nargs] * 10 + (ch - '0');
3369 if (neg)
3370 args[nargs] = -args[nargs];
3371
3372 nargs++;
3373 args[nargs] = 0;
3374 if (ch != ';')
3375 break;
3376 }
3377
3378 if ((cmd == 'T') && (nargs >= 5)) {
3379 int i, len = args[4];
3380
3381 text = (unsigned char *)rxvt_malloc((len + 1) * sizeof(char));
3382
3383 if (text != NULL) {
3384 for (i = 0; i < len; i++)
3385 text[i] = rxvt_cmd_getc(aR);
3386 text[len] = '\0';
3387 }
3388 }
3389 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3390 #endif
3391 }
3392 /*}}} */
3393
3394 /* ------------------------------------------------------------------------- */
3395
3396 /*
3397 * Send printf() formatted output to the command.
3398 * Only use for small amounts of data.
3399 */
3400 void
3401 rxvt_term::tt_printf (const char *fmt,...)
3402 {
3403 va_list arg_ptr;
3404 unsigned char buf[256];
3405
3406 va_start (arg_ptr, fmt);
3407 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3408 va_end (arg_ptr);
3409 tt_write (buf, STRLEN (buf));
3410 }
3411
3412 /* ---------------------------------------------------------------------- */
3413 /* Write data to the pty as typed by the user, pasted with the mouse,
3414 * or generated by us in response to a query ESC sequence.
3415 */
3416 void
3417 rxvt_term::tt_write (const unsigned char *data, unsigned int len)
3418 {
3419 enum { MAX_PTY_WRITE = 255 }; // minimum MAX_INPUT
3420
3421 if (len)
3422 {
3423 if (v_buflen == 0)
3424 {
3425 int written = write (cmd_fd, data, min (MAX_PTY_WRITE, len));
3426 if (written == len)
3427 return;
3428
3429 data += written;
3430 len -= written;
3431 }
3432
3433
3434 v_buffer = (unsigned char *)realloc (v_buffer, v_buflen + len);
3435
3436 memcpy (v_buffer + v_buflen, data, len);
3437 v_buflen += len;
3438 }
3439
3440 for (;;)
3441 {
3442 int written = write (cmd_fd, v_buffer, min (MAX_PTY_WRITE, v_buflen));
3443
3444 if (written > 0)
3445 {
3446 v_buflen -= written;
3447
3448 if (v_buflen == 0)
3449 {
3450 free (v_buffer);
3451 v_buffer = 0;
3452 v_buflen = 0;
3453
3454 pty_ev.set (EVENT_READ);
3455 return;
3456 }
3457
3458 memmove (v_buffer, v_buffer + written, v_buflen);
3459 }
3460 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3461 // original code just ignores this...
3462 destroy ();
3463 else
3464 {
3465 pty_ev.set (EVENT_READ | EVENT_WRITE);
3466 return;
3467 }
3468 }
3469 }
3470
3471 /*----------------------- end-of-file (C source) -----------------------*/
3472