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Revision: 1.11
Committed: Tue Dec 2 21:49:46 2003 UTC (20 years, 5 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.10: +97 -90 lines
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File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.10 2003/11/27 16:49:45 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 #ifdef USE_XIM
67 int valid_keysym;
68 #endif
69 unsigned char *kbuf = R->kbuf;
70
71 /*
72 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
73 * escape sequence to toggle the Keypad.
74 *
75 * Always permit `shift' to override the current setting
76 */
77 shft = (ev->state & ShiftMask);
78 ctrl = (ev->state & ControlMask);
79 meta = (ev->state & R->ModMetaMask);
80 if (R->numlock_state || (ev->state & R->ModNumLockMask)) {
81 R->numlock_state = (ev->state & R->ModNumLockMask);
82 PrivMode((!R->numlock_state), PrivMode_aplKP);
83 }
84 #ifdef USE_XIM
85 if (R->Input_Context != NULL) {
86 Status status_return;
87
88 kbuf[0] = '\0';
89 #ifdef X_HAVE_UTF8_STRING
90 len = Xutf8LookupString(R->Input_Context, ev, (char *)kbuf,
91 KBUFSZ, &keysym, &status_return);
92 #else
93 len = XmbLookupString(R->Input_Context, ev, (char *)kbuf,
94 KBUFSZ, &keysym, &status_return);
95 #endif
96 valid_keysym = ((status_return == XLookupKeySym)
97 || (status_return == XLookupBoth));
98 } else {
99 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
100 &R->compose);
101 valid_keysym = 1;
102 }
103 #else /* USE_XIM */
104 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
105 &R->compose);
106 /*
107 * map unmapped Latin[2-4]/Katakana/Arabic/Cyrillic/Greek entries -> Latin1
108 * good for installations with correct fonts, but without XLOCALE
109 */
110 if (!len) {
111 if ((keysym >= 0x0100) && (keysym < 0x0800)) {
112 kbuf[0] = (keysym & 0xFF);
113 kbuf[1] = '\0';
114 len = 1;
115 } else
116 kbuf[0] = '\0';
117 }
118 #endif /* USE_XIM */
119
120 #ifdef USE_XIM
121 if (valid_keysym)
122 #endif
123 {
124 /* for some backwards compatibility */
125 #if defined(HOTKEY_CTRL) || defined(HOTKEY_META)
126 # ifdef HOTKEY_CTRL
127 if (ctrl) {
128 # else
129 if (meta) {
130 # endif
131 if (keysym == R->ks_bigfont) {
132 rxvt_change_font(aR_ 0, FONT_UP);
133 return;
134 } else if (keysym == R->ks_smallfont) {
135 rxvt_change_font(aR_ 0, FONT_DN);
136 return;
137 }
138 }
139 #endif
140
141 if (R->TermWin.saveLines) {
142 #ifdef UNSHIFTED_SCROLLKEYS
143 if (!ctrl && !meta) {
144 #else
145 if (IS_SCROLL_MOD) {
146 #endif
147 int lnsppg;
148
149 #ifdef PAGING_CONTEXT_LINES
150 lnsppg = R->TermWin.nrow - PAGING_CONTEXT_LINES;
151 #else
152 lnsppg = R->TermWin.nrow * 4 / 5;
153 #endif
154 if (keysym == XK_Prior) {
155 rxvt_scr_page(aR_ UP, lnsppg);
156 return;
157 } else if (keysym == XK_Next) {
158 rxvt_scr_page(aR_ DN, lnsppg);
159 return;
160 }
161 }
162 #ifdef SCROLL_ON_UPDOWN_KEYS
163 if (IS_SCROLL_MOD) {
164 if (keysym == XK_Up) {
165 rxvt_scr_page(aR_ UP, 1);
166 return;
167 } else if (keysym == XK_Down) {
168 rxvt_scr_page(aR_ DN, 1);
169 return;
170 }
171 }
172 #endif
173 #ifdef SCROLL_ON_HOMEEND_KEYS
174 if (IS_SCROLL_MOD) {
175 if (keysym == XK_Home) {
176 rxvt_scr_move_to(aR_ 0, 1);
177 return;
178 } else if (keysym == XK_End) {
179 rxvt_scr_move_to(aR_ 1, 0);
180 return;
181 }
182 }
183 #endif
184 }
185
186 if (shft) {
187 /* Shift + F1 - F10 generates F11 - F20 */
188 if (keysym >= XK_F1 && keysym <= XK_F10) {
189 keysym += (XK_F11 - XK_F1);
190 shft = 0; /* turn off Shift */
191 } else if (!ctrl && !meta && (R->PrivateModes & PrivMode_ShiftKeys)) {
192 switch (keysym) {
193 /* normal XTerm key bindings */
194 case XK_Insert: /* Shift+Insert = paste mouse selection */
195 rxvt_selection_request(aR_ ev->time, 0, 0);
196 return;
197 /* rxvt extras */
198 case XK_KP_Add: /* Shift+KP_Add = bigger font */
199 rxvt_change_font(aR_ 0, FONT_UP);
200 return;
201 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
202 rxvt_change_font(aR_ 0, FONT_DN);
203 return;
204 }
205 }
206 }
207 #ifdef PRINTPIPE
208 if (keysym == XK_Print) {
209 rxvt_scr_printscreen(aR_ ctrl | shft);
210 return;
211 }
212 #endif
213 #ifdef GREEK_SUPPORT
214 if (keysym == R->ks_greekmodeswith) {
215 R->greek_mode = !R->greek_mode;
216 if (R->greek_mode) {
217 rxvt_xterm_seq(aR_ XTerm_title,
218 (greek_getmode() == GREEK_ELOT928
219 ? "[Greek: iso]" : "[Greek: ibm]"), CHAR_ST);
220 greek_reset();
221 } else
222 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
223 return;
224 }
225 #endif
226
227 if (keysym >= 0xFF00 && keysym <= 0xFFFF) {
228 #ifdef KEYSYM_RESOURCE
229 if (!(shft | ctrl) && R->Keysym_map[keysym & 0xFF] != NULL) {
230 unsigned int l;
231 const unsigned char *kbuf0;
232 const unsigned char ch = C0_ESC;
233
234 kbuf0 = (R->Keysym_map[keysym & 0xFF]);
235 l = (unsigned int)*kbuf0++;
236
237 /* escape prefix */
238 if (meta)
239 # ifdef META8_OPTION
240 if (R->meta_char == C0_ESC)
241 # endif
242 R->tt_write(&ch, 1);
243 R->tt_write(kbuf0, l);
244 return;
245 } else
246 #endif
247 {
248 newlen = 1;
249 switch (keysym) {
250 #ifndef NO_BACKSPACE_KEY
251 case XK_BackSpace:
252 if (R->PrivateModes & PrivMode_HaveBackSpace) {
253 kbuf[0] = (!!(R->PrivateModes & PrivMode_BackSpace)
254 ^ !!ctrl) ? '\b' : '\177';
255 kbuf[1] = '\0';
256 } else
257 STRCPY(kbuf, R->key_backspace);
258 # ifdef MULTICHAR_SET
259 if ((R->Options & Opt_mc_hack) && R->screen.cur.col > 0) {
260 int col, row;
261
262 newlen = STRLEN(kbuf);
263 col = R->screen.cur.col - 1;
264 row = R->screen.cur.row + R->TermWin.saveLines;
265 if (IS_MULTI2(R->screen.rend[row][col]))
266 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
267 }
268 # endif
269 break;
270 #endif
271 #ifndef NO_DELETE_KEY
272 case XK_Delete:
273 STRCPY(kbuf, R->key_delete);
274 # ifdef MULTICHAR_SET
275 if (R->Options & Opt_mc_hack) {
276 int col, row;
277
278 newlen = STRLEN(kbuf);
279 col = R->screen.cur.col;
280 row = R->screen.cur.row + R->TermWin.saveLines;
281 if (IS_MULTI1(R->screen.rend[row][col]))
282 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
283 }
284 # endif
285 break;
286 #endif
287 case XK_Tab:
288 if (shft)
289 STRCPY(kbuf, "\033[Z");
290 else {
291 #ifdef CTRL_TAB_MAKES_META
292 if (ctrl)
293 meta = 1;
294 #endif
295 #ifdef MOD4_TAB_MAKES_META
296 if (ev->state & Mod4Mask)
297 meta = 1;
298 #endif
299 newlen = 0;
300 }
301 break;
302
303
304 #ifdef XK_KP_Left
305 case XK_KP_Up: /* \033Ox or standard */
306 case XK_KP_Down: /* \033Or or standard */
307 case XK_KP_Right: /* \033Ov or standard */
308 case XK_KP_Left: /* \033Ot or standard */
309 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
310 STRCPY(kbuf, "\033OZ");
311 kbuf[2] = ("txvr"[keysym - XK_KP_Left]);
312 break;
313 } else
314 /* translate to std. cursor key */
315 keysym = XK_Left + (keysym - XK_KP_Left);
316 /* FALLTHROUGH */
317 #endif
318 case XK_Up: /* "\033[A" */
319 case XK_Down: /* "\033[B" */
320 case XK_Right: /* "\033[C" */
321 case XK_Left: /* "\033[D" */
322 STRCPY(kbuf, "\033[Z");
323 kbuf[2] = ("DACB"[keysym - XK_Left]);
324 /* do Shift first */
325 if (shft)
326 kbuf[2] = ("dacb"[keysym - XK_Left]);
327 else if (ctrl) {
328 kbuf[1] = 'O';
329 kbuf[2] = ("dacb"[keysym - XK_Left]);
330 } else if (R->PrivateModes & PrivMode_aplCUR)
331 kbuf[1] = 'O';
332 #ifdef MULTICHAR_SET
333 //TODO: ??
334 if (R->Options & Opt_mc_hack) {
335 int col, row, m;
336
337 col = R->screen.cur.col;
338 row = R->screen.cur.row + R->TermWin.saveLines;
339 m = 0;
340 if (keysym == XK_Right
341 && IS_MULTI1(R->screen.rend[row][col]))
342 m = 1;
343 else if (keysym == XK_Left) {
344 if (col > 0) {
345 if (IS_MULTI2(R->screen.rend[row][col - 1]))
346 m = 1;
347 } else if (R->screen.cur.row > 0) {
348 col = R->screen.tlen[--row];
349 if (col == -1)
350 col = R->TermWin.ncol - 1;
351 else
352 col--;
353 if (col > 0
354 && IS_MULTI2(R->screen.rend[row][col]))
355 m = 1;
356 }
357 }
358 if (m)
359 MEMMOVE(kbuf + 3, kbuf, 3 + 1);
360 }
361 #endif
362 break;
363
364 #ifndef UNSHIFTED_SCROLLKEYS
365 # ifdef XK_KP_Prior
366 case XK_KP_Prior:
367 /* allow shift to override */
368 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
369 STRCPY(kbuf, "\033Oy");
370 break;
371 }
372 /* FALLTHROUGH */
373 # endif
374 case XK_Prior:
375 STRCPY(kbuf, "\033[5~");
376 break;
377 # ifdef XK_KP_Next
378 case XK_KP_Next:
379 /* allow shift to override */
380 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
381 STRCPY(kbuf, "\033Os");
382 break;
383 }
384 /* FALLTHROUGH */
385 # endif
386 case XK_Next:
387 STRCPY(kbuf, "\033[6~");
388 break;
389 #endif
390 case XK_KP_Enter:
391 /* allow shift to override */
392 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
393 STRCPY(kbuf, "\033OM");
394 } else {
395 kbuf[0] = '\r';
396 kbuf[1] = '\0';
397 }
398 break;
399
400 #ifdef XK_KP_Begin
401 case XK_KP_Begin:
402 STRCPY(kbuf, "\033Ou");
403 break;
404
405 case XK_KP_Insert:
406 STRCPY(kbuf, "\033Op");
407 break;
408
409 case XK_KP_Delete:
410 STRCPY(kbuf, "\033On");
411 break;
412 #endif
413 case XK_KP_F1: /* "\033OP" */
414 case XK_KP_F2: /* "\033OQ" */
415 case XK_KP_F3: /* "\033OR" */
416 case XK_KP_F4: /* "\033OS" */
417 STRCPY(kbuf, "\033OP");
418 kbuf[2] += (keysym - XK_KP_F1);
419 break;
420
421 case XK_KP_Multiply: /* "\033Oj" : "*" */
422 case XK_KP_Add: /* "\033Ok" : "+" */
423 case XK_KP_Separator: /* "\033Ol" : "," */
424 case XK_KP_Subtract: /* "\033Om" : "-" */
425 case XK_KP_Decimal: /* "\033On" : "." */
426 case XK_KP_Divide: /* "\033Oo" : "/" */
427 case XK_KP_0: /* "\033Op" : "0" */
428 case XK_KP_1: /* "\033Oq" : "1" */
429 case XK_KP_2: /* "\033Or" : "2" */
430 case XK_KP_3: /* "\033Os" : "3" */
431 case XK_KP_4: /* "\033Ot" : "4" */
432 case XK_KP_5: /* "\033Ou" : "5" */
433 case XK_KP_6: /* "\033Ov" : "6" */
434 case XK_KP_7: /* "\033Ow" : "7" */
435 case XK_KP_8: /* "\033Ox" : "8" */
436 case XK_KP_9: /* "\033Oy" : "9" */
437 /* allow shift to override */
438 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
439 STRCPY(kbuf, "\033Oj");
440 kbuf[2] += (keysym - XK_KP_Multiply);
441 } else {
442 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
443 kbuf[1] = '\0';
444 }
445 break;
446
447 case XK_Find:
448 STRCPY(kbuf, "\033[1~");
449 break;
450 case XK_Insert:
451 STRCPY(kbuf, "\033[2~");
452 break;
453 #ifdef DXK_Remove /* support for DEC remove like key */
454 case DXK_Remove:
455 /* FALLTHROUGH */
456 #endif
457 case XK_Execute:
458 STRCPY(kbuf, "\033[3~");
459 break;
460 case XK_Select:
461 STRCPY(kbuf, "\033[4~");
462 break;
463 #ifdef XK_KP_End
464 case XK_KP_End:
465 /* allow shift to override */
466 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
467 STRCPY(kbuf, "\033Oq");
468 break;
469 }
470 /* FALLTHROUGH */
471 #endif
472 case XK_End:
473 STRCPY(kbuf, KS_END);
474 break;
475 #ifdef XK_KP_Home
476 case XK_KP_Home:
477 /* allow shift to override */
478 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
479 STRCPY(kbuf, "\033Ow");
480 break;
481 }
482 /* FALLTHROUGH */
483 #endif
484 case XK_Home:
485 STRCPY(kbuf, KS_HOME);
486 break;
487
488 #define FKEY(n, fkey) \
489 sprintf((char *)kbuf,"\033[%2d~", (int)((n) + (keysym - fkey)))
490
491 case XK_F1: /* "\033[11~" */
492 case XK_F2: /* "\033[12~" */
493 case XK_F3: /* "\033[13~" */
494 case XK_F4: /* "\033[14~" */
495 case XK_F5: /* "\033[15~" */
496 FKEY(11, XK_F1);
497 break;
498 case XK_F6: /* "\033[17~" */
499 case XK_F7: /* "\033[18~" */
500 case XK_F8: /* "\033[19~" */
501 case XK_F9: /* "\033[20~" */
502 case XK_F10: /* "\033[21~" */
503 FKEY(17, XK_F6);
504 break;
505 case XK_F11: /* "\033[23~" */
506 case XK_F12: /* "\033[24~" */
507 case XK_F13: /* "\033[25~" */
508 case XK_F14: /* "\033[26~" */
509 FKEY(23, XK_F11);
510 break;
511 case XK_F15: /* "\033[28~" */
512 case XK_F16: /* "\033[29~" */
513 FKEY(28, XK_F15);
514 break;
515 case XK_Help: /* "\033[28~" */
516 FKEY(28, XK_Help);
517 break;
518 case XK_Menu: /* "\033[29~" */
519 FKEY(29, XK_Menu);
520 break;
521 case XK_F17: /* "\033[31~" */
522 case XK_F18: /* "\033[32~" */
523 case XK_F19: /* "\033[33~" */
524 case XK_F20: /* "\033[34~" */
525 case XK_F21: /* "\033[35~" */
526 case XK_F22: /* "\033[36~" */
527 case XK_F23: /* "\033[37~" */
528 case XK_F24: /* "\033[38~" */
529 case XK_F25: /* "\033[39~" */
530 case XK_F26: /* "\033[40~" */
531 case XK_F27: /* "\033[41~" */
532 case XK_F28: /* "\033[42~" */
533 case XK_F29: /* "\033[43~" */
534 case XK_F30: /* "\033[44~" */
535 case XK_F31: /* "\033[45~" */
536 case XK_F32: /* "\033[46~" */
537 case XK_F33: /* "\033[47~" */
538 case XK_F34: /* "\033[48~" */
539 case XK_F35: /* "\033[49~" */
540 FKEY(31, XK_F17);
541 break;
542 #undef FKEY
543 default:
544 newlen = 0;
545 break;
546 }
547 if (newlen)
548 len = STRLEN(kbuf);
549 }
550 /*
551 * Pass meta for all function keys, if 'meta' option set
552 */
553 #ifdef META8_OPTION
554 if (meta && (R->meta_char == 0x80) && len > 0)
555 kbuf[len - 1] |= 0x80;
556 #endif
557 } else if (ctrl && keysym == XK_minus) {
558 len = 1;
559 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
560 } else {
561 #ifdef META8_OPTION
562 /* set 8-bit on */
563 if (meta && (R->meta_char == 0x80)) {
564 unsigned char *ch;
565
566 for (ch = kbuf; ch < kbuf + len; ch++)
567 *ch |= 0x80;
568 meta = 0;
569 }
570 #endif
571 #ifdef GREEK_SUPPORT
572 if (R->greek_mode)
573 len = greek_xlat(kbuf, len);
574 #endif
575 /* nil */ ;
576 }
577 }
578
579 if (len <= 0)
580 return; /* not mapped */
581
582 if (R->Options & Opt_scrollTtyKeypress)
583 if (R->TermWin.view_start) {
584 R->TermWin.view_start = 0;
585 R->want_refresh = 1;
586 }
587
588 /*
589 * these modifications only affect the static keybuffer
590 * pass Shift/Control indicators for function keys ending with `~'
591 *
592 * eg,
593 * Prior = "ESC[5~"
594 * Shift+Prior = "ESC[5$"
595 * Ctrl+Prior = "ESC[5^"
596 * Ctrl+Shift+Prior = "ESC[5@"
597 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
598 */
599 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
600 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
601
602 /* escape prefix */
603 if (meta
604 #ifdef META8_OPTION
605 && (R->meta_char == C0_ESC)
606 #endif
607 ) {
608 const unsigned char ch = C0_ESC;
609
610 R->tt_write(&ch, 1);
611 }
612 #ifdef DEBUG_CMD
613 if (debug_key) { /* Display keyboard buffer contents */
614 char *p;
615 int i;
616
617 fprintf(stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
618 for (i = 0, p = kbuf; i < len; i++, p++)
619 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
620 fprintf(stderr, "'\n");
621 }
622 #endif /* DEBUG_CMD */
623 R->tt_write(kbuf, (unsigned int)len);
624 }
625 /*}}} */
626
627 #if (MENUBAR_MAX)
628 /*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
629 /* attempt to `write' count to the input buffer */
630 /* EXTPROTO */
631 unsigned int
632 rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
633 {
634 unsigned int n, s;
635 unsigned char *cmdbuf_base = R->cmdbuf_base,
636 *cmdbuf_endp = R->cmdbuf_endp,
637 *cmdbuf_ptr = R->cmdbuf_ptr;
638
639 n = cmdbuf_ptr - cmdbuf_base;
640 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp;
641 if (n > 0 && s < count) {
642 MEMMOVE(cmdbuf_base, cmdbuf_ptr,
643 (unsigned int)(cmdbuf_endp - cmdbuf_ptr));
644 cmdbuf_ptr = cmdbuf_base;
645 cmdbuf_endp -= n;
646 s += n;
647 }
648 if (count > s) {
649 rxvt_print_error("data loss: cmd_write too large");
650 count = s;
651 }
652 for (; count--;)
653 *cmdbuf_endp++ = *str++;
654 R->cmdbuf_ptr = cmdbuf_ptr;
655 R->cmdbuf_endp = cmdbuf_endp;
656 return 0;
657 }
658 #endif /* MENUBAR_MAX */
659
660 void
661 rxvt_term::flush ()
662 {
663 #ifdef TRANSPARENT
664 if (want_full_refresh)
665 {
666 want_full_refresh = 0;
667 rxvt_scr_clear (this);
668 rxvt_scr_touch (this, False);
669 want_refresh = 1;
670 }
671 #endif
672
673 if (want_refresh)
674 {
675 rxvt_scr_refresh (this, refresh_type);
676 rxvt_scrollbar_show (this, 1);
677 #ifdef USE_XIM
678 rxvt_IMSendSpot (this);
679 #endif
680 }
681
682 XFlush (Xdisplay);
683 #if 0
684 if (XPending (Xdisplay)) process_x_events ();
685 if (XPending (Xdisplay)) process_x_events ();
686 #endif
687 }
688
689 void
690 rxvt_term::check_cb (check_watcher &w)
691 {
692 SET_R (this);
693
694 flush ();
695 }
696
697 void
698 rxvt_term::process_x_events ()
699 {
700 do
701 {
702 XEvent xev;
703
704 XNextEvent (Xdisplay, &xev);
705
706 #if defined(CURSOR_BLINK)
707 if ((Options & Opt_cursorBlink)
708 && xev.type == KeyPress)
709 {
710 if (hidden_cursor)
711 {
712 hidden_cursor = 0;
713 want_refresh = 1;
714 }
715
716 blink_ev.start (NOW + BLINK_INTERVAL);
717 }
718 #endif
719
720 #if defined(POINTER_BLANK)
721 if ((Options & Opt_pointerBlank)
722 && (pointerBlankDelay > 0))
723 {
724 if (xev.type == MotionNotify
725 || xev.type == ButtonPress
726 || xev.type == ButtonRelease)
727 if (hidden_pointer)
728 pointer_unblank ();
729
730 if (xev.type == KeyPress && hidden_pointer == 0)
731 pointer_blank ();
732 }
733 #endif
734
735 #ifdef USE_XIM
736 if (!XFilterEvent (&xev, xev.xany.window))
737 #endif
738 rxvt_process_x_event (this, &xev);
739 }
740 while (XPending (Xdisplay));
741 }
742
743 void
744 rxvt_term::blink_cb (time_watcher &w)
745 {
746 SET_R (this);
747
748 w.at += BLINK_INTERVAL;
749 hidden_cursor = !hidden_cursor;
750 want_refresh = 1;
751 }
752
753 void
754 rxvt_term::x_cb (io_watcher &w, short revents)
755 {
756 SET_R (this);
757
758 process_x_events ();
759 }
760
761 bool
762 rxvt_term::pty_fill ()
763 {
764 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
765
766 memmove (cmdbuf_base, cmdbuf_ptr, n);
767 cmdbuf_ptr = cmdbuf_base;
768 cmdbuf_endp = cmdbuf_ptr + n;
769
770 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n);
771
772 if (n > 0)
773 {
774 cmdbuf_endp += n;
775 return true;
776 }
777 else if (n < 0 && errno == EAGAIN)
778 return false;
779
780 destroy ();
781 }
782
783 void
784 rxvt_term::pty_cb (io_watcher &w, short revents)
785 {
786 SET_R (this);
787
788 if (revents & EVENT_WRITE)
789 tt_write (0, 0);
790 else if (revents & EVENT_READ)
791 // loop, but don't allow a single term to monopolize us
792 // the number of loops is fully arbitrary, and thus wrong
793 for (int i = 1; i-- && pty_fill (); )
794 {
795 if (!seen_input)
796 {
797 seen_input = 1;
798 /* once we know the shell is running, send the screen size. Again! */
799 tt_winch ();
800 }
801
802 uint32_t ch = NOCHAR;
803
804 for (;;)
805 {
806 if (ch == NOCHAR)
807 ch = next_char ();
808
809 if (ch == NOCHAR) // TODO: improve
810 break;
811
812 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
813 {
814 /* Read a text string from the input buffer */
815 uint32_t buf[BUFSIZ];
816 bool refreshnow = false;
817 int nlines = 0;
818 uint32_t *str = buf;
819
820 *str++ = ch;
821
822 for (;;)
823 {
824 ch = next_char ();
825
826 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
827 break;
828 else
829 {
830 *str++ = ch;
831
832 if (ch == '\n')
833 {
834 nlines++;
835 refresh_count++;
836
837 if (!(Options & Opt_jumpScroll)
838 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
839 {
840 refreshnow = true;
841 ch = NOCHAR;
842 break;
843 }
844 }
845
846 if (str >= buf + BUFSIZ)
847 {
848 ch = NOCHAR;
849 break;
850 }
851 }
852 }
853
854 rxvt_scr_add_lines (this, buf, nlines, str - buf);
855
856 /*
857 * If there have been a lot of new lines, then update the screen
858 * What the heck I'll cheat and only refresh less than every page-full.
859 * the number of pages between refreshes is refresh_limit, which
860 * is incremented here because we must be doing flat-out scrolling.
861 *
862 * refreshing should be correct for small scrolls, because of the
863 * time-out
864 */
865 if (refreshnow)
866 {
867 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
868 refresh_limit++;
869
870 rxvt_scr_refresh (this, refresh_type);
871 }
872
873 }
874 else
875 {
876 switch (ch)
877 {
878 default:
879 rxvt_process_nonprinting (this, ch);
880 break;
881 case C0_ESC: /* escape char */
882 rxvt_process_escape_seq (this);
883 break;
884 /*case 0x9b: */ /* CSI */
885 /* rxvt_process_csi_seq (this); */
886 }
887
888 ch = NOCHAR;
889 }
890 }
891 }
892 }
893
894 // read the next character, currently handles UTF-8
895 // will probably handle all sorts of other stuff in the future
896 uint32_t
897 rxvt_term::next_char ()
898 {
899 struct mbstate &s = mbstate;
900
901 while (cmdbuf_ptr < cmdbuf_endp)
902 {
903 uint8_t ch = *cmdbuf_ptr;
904
905 if (s.cnt)
906 {
907 if ((ch & 0xc0) == 0x80)
908 {
909 cmdbuf_ptr++;
910
911 /* continuation */
912 s.reg = (s.reg << 6) | (ch & 0x7f);
913
914 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
915 return s.reg;
916
917 continue;
918 }
919 else
920 {
921 s.cnt = 0;
922 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */
923 }
924 }
925
926 if ((ch & 0xc0) == 0xc0)
927 {
928 cmdbuf_ptr++;
929
930 /* first byte */
931 s.orig = ch; /* for broken encodings */
932 s.reg = ch;
933 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; }
934 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; }
935 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; }
936 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; }
937 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; }
938 }
939 else
940 {
941 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */
942 return ch;
943 }
944 }
945
946 return NOCHAR;
947 }
948
949 /* rxvt_cmd_getc() - Return next input character */
950 /*
951 * Return the next input character after first passing any keyboard input
952 * to the command.
953 */
954 /* INTPROTO */
955 uint32_t
956 rxvt_cmd_getc(pR)
957 {
958 for (;;)
959 {
960 uint32_t c = R->next_char ();
961 if (c != NOCHAR)
962 return c;
963
964 // incomplete sequences should occur rarely, still, a better solution
965 // would be preferred. either setjmp/longjmp or better design.
966 fcntl (R->cmd_fd, F_SETFL, 0);
967 R->pty_fill ();
968 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
969 }
970
971 #if 0
972 #define TIMEOUT_USEC 5000
973 fd_set readfds;
974 int quick_timeout, select_res;
975 int want_motion_time, want_keypress_time;
976 struct timeval value;
977 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
978 struct timeval tp;
979 #endif
980
981 for (;;) {
982 /* loop until we can return something */
983
984 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
985 R->tt_write(NULL, 0);
986
987 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
988 if (R->mouse_slip_wheel_speed) {
989 quick_timeout = 1;
990 if (!R->mouse_slip_wheel_delay--
991 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
992 abs(R->mouse_slip_wheel_speed))) {
993 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
994 R->refresh_type |= SMOOTH_REFRESH;
995 R->want_refresh = 1;
996 }
997 }
998 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
999 #ifdef SELECTION_SCROLLING
1000 if (R->pending_scroll_selection) {
1001 quick_timeout = 1;
1002 if (!R->scroll_selection_delay--
1003 && rxvt_scr_page(aR_ R->scroll_selection_dir,
1004 R->scroll_selection_lines)) {
1005 rxvt_selection_extend(aR_ R->selection_save_x,
1006 R->selection_save_y, R->selection_save_state);
1007 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
1008 R->refresh_type |= SMOOTH_REFRESH;
1009 R->want_refresh = 1;
1010 }
1011 }
1012 #endif
1013 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1014 if (scrollbar_isUp() || scrollbar_isDn()) {
1015 quick_timeout = 1;
1016 if (!R->scroll_arrow_delay--
1017 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
1018 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
1019 R->refresh_type |= SMOOTH_REFRESH;
1020 R->want_refresh = 1;
1021 }
1022 }
1023 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1024
1025 #ifdef TRANSPARENT
1026 quick_timeout |= R->want_full_refresh;
1027 #endif
1028 #endif
1029 }
1030
1031 void
1032 rxvt_term::pointer_unblank ()
1033 {
1034 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1035 rxvt_recolour_cursor (this);
1036
1037 #ifdef POINTER_BLANK
1038 hidden_pointer = 0;
1039
1040 if (Options & Opt_pointerBlank)
1041 pointer_ev.start (NOW + pointerBlankDelay);
1042 #endif
1043 }
1044
1045 #ifdef POINTER_BLANK
1046 void
1047 rxvt_term::pointer_blank ()
1048 {
1049 pointer_ev.stop ();
1050
1051 if (!(Options & Opt_pointerBlank))
1052 return;
1053
1054 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1055 XFlush (Xdisplay);
1056
1057 hidden_pointer = 1;
1058 }
1059
1060 void
1061 rxvt_term::pointer_cb (time_watcher &w)
1062 {
1063 SET_R (this);
1064
1065 pointer_blank ();
1066 }
1067 #endif
1068
1069 /* INTPROTO */
1070 void
1071 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1072 {
1073 int button_number, key_state = 0;
1074 int x, y;
1075
1076 x = ev->x;
1077 y = ev->y;
1078 rxvt_pixel_position(aR_ &x, &y);
1079
1080 if (R->MEvent.button == AnyButton) {
1081 button_number = 3;
1082 } else {
1083 button_number = R->MEvent.button - Button1;
1084 /* add 0x3D for wheel events, like xterm does */
1085 if (button_number >= 3)
1086 button_number += (64 - 3);
1087 }
1088
1089 if (R->PrivateModes & PrivMode_MouseX10) {
1090 /*
1091 * do not report ButtonRelease
1092 * no state info allowed
1093 */
1094 key_state = 0;
1095 if (button_number == 3)
1096 return;
1097 } else {
1098 /* XTerm mouse reporting needs these values:
1099 * 4 = Shift
1100 * 8 = Meta
1101 * 16 = Control
1102 * plus will add in our own Double-Click reporting
1103 * 32 = Double Click
1104 */
1105 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1106 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1107 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1108 #ifdef MOUSE_REPORT_DOUBLECLICK
1109 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1110 #endif
1111 }
1112
1113 #ifdef DEBUG_MOUSEREPORT
1114 fprintf(stderr, "Mouse [");
1115 if (key_state & 16)
1116 fputc('C', stderr);
1117 if (key_state & 4)
1118 fputc('S', stderr);
1119 if (key_state & 8)
1120 fputc('A', stderr);
1121 if (key_state & 32)
1122 fputc('2', stderr);
1123 fprintf(stderr, "]: <%d>, %d/%d\n",
1124 button_number,
1125 x + 1,
1126 y + 1);
1127 #else
1128 R->tt_printf("\033[M%c%c%c",
1129 (32 + button_number + key_state),
1130 (32 + x + 1),
1131 (32 + y + 1));
1132 #endif
1133 }
1134
1135 #ifdef USING_W11LIB
1136 /* EXTPROTO */
1137 void
1138 rxvt_W11_process_x_event(XEvent *ev)
1139 {
1140 rxvt_t *r = rxvt_get_r();
1141
1142 rxvt_process_x_event(aR_ ev);
1143 }
1144 #endif
1145
1146 /*{{{ process an X event */
1147 /* INTPROTO */
1148 void
1149 rxvt_process_x_event(pR_ XEvent *ev)
1150 {
1151 int i, want_timeout;
1152 Window unused_root, unused_child;
1153 int unused_root_x, unused_root_y;
1154 unsigned int unused_mask;
1155 struct timeval tp;
1156
1157 #ifdef DEBUG_X
1158 const char *const eventnames[] =
1159 { /* mason - this matches my system */
1160 "",
1161 "",
1162 "KeyPress",
1163 "KeyRelease",
1164 "ButtonPress",
1165 "ButtonRelease",
1166 "MotionNotify",
1167 "EnterNotify",
1168 "LeaveNotify",
1169 "FocusIn",
1170 "FocusOut",
1171 "KeymapNotify",
1172 "Expose",
1173 "GraphicsExpose",
1174 "NoExpose",
1175 "VisibilityNotify",
1176 "CreateNotify",
1177 "DestroyNotify",
1178 "UnmapNotify",
1179 "MapNotify",
1180 "MapRequest",
1181 "ReparentNotify",
1182 "ConfigureNotify",
1183 "ConfigureRequest",
1184 "GravityNotify",
1185 "ResizeRequest",
1186 "CirculateNotify",
1187 "CirculateRequest",
1188 "PropertyNotify",
1189 "SelectionClear",
1190 "SelectionRequest",
1191 "SelectionNotify",
1192 "ColormapNotify",
1193 "ClientMessage",
1194 "MappingNotify"
1195 };
1196 struct tm *ltt;
1197 #endif
1198
1199 /*
1200 * check if we need to get the time for any timeouts
1201 */
1202
1203 for (i = NUM_TIMEOUTS; i--; )
1204 if (R->timeout[i].tv_sec) {
1205 want_timeout = 1;
1206 break;
1207 }
1208
1209 #ifndef DEBUG_X
1210 if (want_timeout)
1211 #endif
1212 (void)gettimeofday(&tp, NULL);
1213
1214 #ifdef DEBUG_X
1215 ltt = localtime(&(tp.tv_sec));
1216 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));
1217 #endif
1218
1219 /* X event timeouts */
1220 if (want_timeout)
1221 for (i = NUM_TIMEOUTS; i--; ) {
1222 if (R->timeout[i].tv_sec == 0)
1223 continue;
1224 if ((tp.tv_sec < R->timeout[i].tv_sec)
1225 || (tp.tv_sec == R->timeout[i].tv_sec
1226 && tp.tv_usec < R->timeout[i].tv_usec))
1227 continue;
1228 R->timeout[i].tv_sec = 0;
1229 switch(i) {
1230 case TIMEOUT_INCR:
1231 rxvt_print_error("data loss: timeout on INCR selection paste");
1232 R->selection_wait = Sel_none;
1233 break;
1234 default:
1235 break;
1236 }
1237 }
1238
1239 switch (ev->type) {
1240 case KeyPress:
1241 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1242 break;
1243
1244 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1245 case KeyRelease:
1246 {
1247 if (!(ev->xkey.state & ControlMask))
1248 R->mouse_slip_wheel_speed = 0;
1249 else {
1250 KeySym ks;
1251
1252 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1253 if (ks == XK_Control_L || ks == XK_Control_R)
1254 R->mouse_slip_wheel_speed = 0;
1255 }
1256 break;
1257 }
1258 #endif
1259
1260 case ButtonPress:
1261 rxvt_button_press(aR_ (XButtonEvent *)ev);
1262 break;
1263
1264 case ButtonRelease:
1265 rxvt_button_release(aR_ (XButtonEvent *)ev);
1266 break;
1267
1268 case ClientMessage:
1269 if (ev->xclient.format == 32
1270 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1271 R->destroy ();
1272 #ifdef OFFIX_DND
1273 /* OffiX Dnd (drag 'n' drop) protocol */
1274 else if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1275 && (ev->xclient.data.l[0] == DndFile
1276 || ev->xclient.data.l[0] == DndDir
1277 || ev->xclient.data.l[0] == DndLink)) {
1278 /* Get Dnd data */
1279 Atom ActualType;
1280 int ActualFormat;
1281 unsigned char *data;
1282 unsigned long Size, RemainingBytes;
1283
1284 XGetWindowProperty(R->Xdisplay, Xroot,
1285 R->xa[XA_DNDSELECTION],
1286 0L, 1000000L,
1287 False, AnyPropertyType,
1288 &ActualType, &ActualFormat,
1289 &Size, &RemainingBytes,
1290 &data);
1291 XChangeProperty(R->Xdisplay, Xroot,
1292 XA_CUT_BUFFER0, XA_STRING,
1293 8, PropModeReplace,
1294 data, STRLEN(data));
1295 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1296 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1297 }
1298 #endif /* OFFIX_DND */
1299 break;
1300
1301 case MappingNotify:
1302 XRefreshKeyboardMapping(&(ev->xmapping));
1303 break;
1304
1305 /*
1306 * XXX: this is not the _current_ arrangement
1307 * Here's my conclusion:
1308 * If the window is completely unobscured, use bitblt's
1309 * to scroll. Even then, they're only used when doing partial
1310 * screen scrolling. When partially obscured, we have to fill
1311 * in the GraphicsExpose parts, which means that after each refresh,
1312 * we need to wait for the graphics expose or Noexpose events,
1313 * which ought to make things real slow!
1314 */
1315 case VisibilityNotify:
1316 switch (ev->xvisibility.state)
1317 {
1318 case VisibilityUnobscured:
1319 R->refresh_type = FAST_REFRESH;
1320 break;
1321 case VisibilityPartiallyObscured:
1322 R->refresh_type = SLOW_REFRESH;
1323 break;
1324 default:
1325 R->refresh_type = NO_REFRESH;
1326 break;
1327 }
1328 break;
1329
1330 case FocusIn:
1331 if (!R->TermWin.focus) {
1332 R->TermWin.focus = 1;
1333 R->want_refresh = 1;
1334 #ifdef USE_XIM
1335 if (R->Input_Context != NULL)
1336 XSetICFocus(R->Input_Context);
1337 #endif
1338 #ifdef CURSOR_BLINK
1339 if (R->Options & Opt_cursorBlink)
1340 R->blink_ev.start (NOW + BLINK_INTERVAL);
1341 #endif
1342 }
1343 break;
1344
1345 case FocusOut:
1346 if (R->TermWin.focus) {
1347 R->TermWin.focus = 0;
1348 R->want_refresh = 1;
1349 #ifdef USE_XIM
1350 if (R->Input_Context != NULL)
1351 XUnsetICFocus(R->Input_Context);
1352 #endif
1353 #ifdef CURSOR_BLINK
1354 if (R->Options & Opt_cursorBlink)
1355 R->blink_ev.stop ();
1356 R->hidden_cursor = 0;
1357 #endif
1358 }
1359 break;
1360
1361 case ConfigureNotify:
1362 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1363 int height, width;
1364
1365 do { /* Wrap lots of configures into one */
1366 width = ev->xconfigure.width;
1367 height = ev->xconfigure.height;
1368 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1369 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1370 ConfigureNotify, ev));
1371 if (R->szHint.width != width || R->szHint.height != height) {
1372 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1373 rxvt_resize_all_windows(aR_ (unsigned int)width,
1374 (unsigned int)height, 1);
1375 }
1376 #ifdef DEBUG_SIZE
1377 else {
1378 D_SIZE((stderr, "Size: Not resizing"));
1379 }
1380 #endif
1381 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1382 if (R->Options & Opt_transparent) {
1383 rxvt_check_our_parents(aR);
1384 if (R->am_transparent)
1385 R->want_full_refresh = 1;
1386 }
1387 #endif
1388 }
1389 break;
1390
1391 case SelectionClear:
1392 rxvt_selection_clear(aR);
1393 break;
1394
1395 case SelectionNotify:
1396 if (R->selection_wait == Sel_normal)
1397 rxvt_selection_paste(aR_ ev->xselection.requestor,
1398 ev->xselection.property, True);
1399 break;
1400
1401 case SelectionRequest:
1402 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1403 break;
1404
1405 case UnmapNotify:
1406 R->TermWin.mapped = 0;
1407 break;
1408
1409 case MapNotify:
1410 R->TermWin.mapped = 1;
1411 break;
1412
1413 case PropertyNotify:
1414 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1415 if (ev->xproperty.state == PropertyNewValue)
1416 rxvt_selection_property(aR_ ev->xproperty.window,
1417 ev->xproperty.atom);
1418 break;
1419 }
1420 #ifdef TRANSPARENT
1421 /*
1422 * if user used some Esetroot compatible prog to set the root bg,
1423 * use the property to determine the pixmap. We use it later on.
1424 */
1425 if (R->xa[XA_XROOTPMAPID] == 0)
1426 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1427 "_XROOTPMAP_ID", False);
1428 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1429 break;
1430 /* FALLTHROUGH */
1431 case ReparentNotify:
1432 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1433 if (R->am_transparent)
1434 R->want_full_refresh = 1;
1435 }
1436 #endif /* TRANSPARENT */
1437 break;
1438
1439 case GraphicsExpose:
1440 case Expose:
1441 if (ev->xany.window == R->TermWin.vt) {
1442 #ifdef NO_SLOW_LINK_SUPPORT
1443 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1444 ev->xexpose.width, ev->xexpose.height, False);
1445 #else
1446 // don't understand this, so commented it out
1447 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1448 ev->xexpose.width, ev->xexpose.height, False);
1449 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1450 // ev->xexpose.width, R->TermWin.height, False);
1451 #endif
1452 R->want_refresh = 1;
1453 } else {
1454 XEvent unused_xevent;
1455
1456 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1457 Expose,
1458 &unused_xevent)) ;
1459 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1460 GraphicsExpose,
1461 &unused_xevent)) ;
1462 if (isScrollbarWindow(ev->xany.window)) {
1463 scrollbar_setIdle();
1464 rxvt_scrollbar_show(aR_ 0);
1465 }
1466 #ifdef MENUBAR
1467 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1468 rxvt_menubar_expose(aR);
1469 #endif
1470 #ifdef RXVT_GRAPHICS
1471 rxvt_Gr_expose(aR_ ev->xany.window);
1472 #endif
1473 }
1474 break;
1475
1476 case MotionNotify:
1477 #ifdef POINTER_BLANK
1478 if (R->hidden_pointer)
1479 R->pointer_unblank ();
1480 #endif
1481 #if MENUBAR
1482 if (isMenuBarWindow(ev->xany.window)) {
1483 rxvt_menubar_control(aR_ &(ev->xbutton));
1484 break;
1485 }
1486 #endif
1487 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1488 break;
1489
1490 if (ev->xany.window == R->TermWin.vt) {
1491 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1492 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1493 MotionNotify, ev)) ;
1494 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1495 &unused_root, &unused_child,
1496 &unused_root_x, &unused_root_y,
1497 &(ev->xbutton.x), &(ev->xbutton.y),
1498 &unused_mask);
1499 #ifdef MOUSE_THRESHOLD
1500 /* deal with a `jumpy' mouse */
1501 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1502 #endif
1503 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1504 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1505 #ifdef SELECTION_SCROLLING
1506 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1507 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1508 int dist;
1509
1510 R->pending_scroll_selection=1;
1511
1512 /* don't clobber the current delay if we are
1513 * already in the middle of scrolling.
1514 */
1515 if (R->scroll_selection_delay<=0)
1516 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1517
1518 /* save the event params so we can highlight
1519 * the selection in the pending-scroll loop
1520 */
1521 R->selection_save_x=ev->xbutton.x;
1522 R->selection_save_y=ev->xbutton.y;
1523 R->selection_save_state=
1524 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1525
1526 /* calc number of lines to scroll */
1527 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1528 R->scroll_selection_dir = UP;
1529 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1530 }
1531 else {
1532 R->scroll_selection_dir = DN;
1533 dist = ev->xbutton.y -
1534 (R->TermWin.int_bwidth + R->TermWin.height);
1535 }
1536 R->scroll_selection_lines=(Pixel2Height(dist)/
1537 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1538 MIN_IT(R->scroll_selection_lines,
1539 SELECTION_SCROLL_MAX_LINES);
1540 }
1541 else {
1542 /* we are within the text window, so we
1543 * shouldn't be scrolling
1544 */
1545 R->pending_scroll_selection = 0;
1546 }
1547 #endif
1548 #ifdef MOUSE_THRESHOLD
1549 }
1550 #endif
1551 }
1552 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1553 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1554 MotionNotify, ev)) ;
1555 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1556 &unused_root, &unused_child,
1557 &unused_root_x, &unused_root_y,
1558 &(ev->xbutton.x), &(ev->xbutton.y),
1559 &unused_mask);
1560 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1561 scrollbar_size());
1562 rxvt_scr_refresh(aR_ R->refresh_type);
1563 R->refresh_limit = 0;
1564 rxvt_scrollbar_show(aR_ 1);
1565 }
1566 break;
1567 }
1568 }
1569
1570 /* INTPROTO */
1571 void
1572 rxvt_button_press(pR_ XButtonEvent *ev)
1573 {
1574 int reportmode = 0, clickintime;
1575
1576 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1577 if (!R->bypass_keystate)
1578 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1579 /*
1580 * VT window processing of button press
1581 */
1582 if (ev->window == R->TermWin.vt)
1583 {
1584 #if RXVT_GRAPHICS
1585 if (ev->subwindow != None)
1586 rxvt_Gr_ButtonPress(ev->x, ev->y);
1587 else
1588 #endif
1589 {
1590 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1591 if (reportmode)
1592 {
1593 /* mouse report from vt window */
1594 /* save the xbutton state (for ButtonRelease) */
1595 R->MEvent.state = ev->state;
1596 #ifdef MOUSE_REPORT_DOUBLECLICK
1597 if (ev->button == R->MEvent.button && clickintime)
1598 {
1599 /* same button, within alloted time */
1600 R->MEvent.clicks++;
1601 if (R->MEvent.clicks > 1)
1602 {
1603 /* only report double clicks */
1604 R->MEvent.clicks = 2;
1605 rxvt_mouse_report(aR_ ev);
1606
1607 /* don't report the release */
1608 R->MEvent.clicks = 0;
1609 R->MEvent.button = AnyButton;
1610 }
1611 }
1612 else
1613 {
1614 /* different button, or time expired */
1615 R->MEvent.clicks = 1;
1616 R->MEvent.button = ev->button;
1617 rxvt_mouse_report(aR_ ev);
1618 }
1619 #else
1620 R->MEvent.button = ev->button;
1621 rxvt_mouse_report(aR_ ev);
1622 #endif /* MOUSE_REPORT_DOUBLECLICK */
1623 }
1624 else
1625 {
1626 if (ev->button != R->MEvent.button)
1627 R->MEvent.clicks = 0;
1628 switch (ev->button)
1629 {
1630 case Button1:
1631 if (R->MEvent.button == Button1 && clickintime)
1632 R->MEvent.clicks++;
1633 else
1634 R->MEvent.clicks = 1;
1635 rxvt_selection_click(aR_ R->MEvent.clicks, ev->x, ev->y);
1636 R->MEvent.button = Button1;
1637 break;
1638
1639 case Button3:
1640 if (R->MEvent.button == Button3 && clickintime)
1641 rxvt_selection_rotate(aR_ ev->x, ev->y);
1642 else
1643 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1644 R->MEvent.button = Button3;
1645 break;
1646 }
1647 }
1648 R->MEvent.time = ev->time;
1649 return;
1650 }
1651 }
1652
1653 /*
1654 * Scrollbar window processing of button press
1655 */
1656 if (isScrollbarWindow(ev->window))
1657 {
1658 scrollbar_setIdle();
1659 /*
1660 * Rxvt-style scrollbar:
1661 * move up if mouse is above slider
1662 * move dn if mouse is below slider
1663 *
1664 * XTerm-style scrollbar:
1665 * Move display proportional to pointer location
1666 * pointer near top -> scroll one line
1667 * pointer near bot -> scroll full page
1668 */
1669 #ifndef NO_SCROLLBAR_REPORT
1670 if (reportmode) {
1671 /*
1672 * Mouse report disabled scrollbar:
1673 * arrow buttons - send up/down
1674 * click on scrollbar - send pageup/down
1675 */
1676 if ((R->scrollBar.style == R_SB_NEXT
1677 && scrollbarnext_upButton(ev->y))
1678 || (R->scrollBar.style == R_SB_RXVT
1679 && scrollbarrxvt_upButton(ev->y)))
1680 R->tt_printf("\033[A");
1681 else if ((R->scrollBar.style == R_SB_NEXT
1682 && scrollbarnext_dnButton(ev->y))
1683 || (R->scrollBar.style == R_SB_RXVT
1684 && scrollbarrxvt_dnButton(ev->y)))
1685 R->tt_printf("\033[B");
1686 else
1687 switch (ev->button) {
1688 case Button2:
1689 R->tt_printf("\014");
1690 break;
1691 case Button1:
1692 R->tt_printf("\033[6~");
1693 break;
1694 case Button3:
1695 R->tt_printf("\033[5~");
1696 break;
1697 }
1698 }
1699 else
1700 #endif /* NO_SCROLLBAR_REPORT */
1701 {
1702 char upordown = 0;
1703
1704 if (R->scrollBar.style == R_SB_NEXT) {
1705 if (scrollbarnext_upButton(ev->y))
1706 upordown = -1; /* up */
1707 else if (scrollbarnext_dnButton(ev->y))
1708 upordown = 1; /* down */
1709 } else if (R->scrollBar.style == R_SB_RXVT) {
1710 if (scrollbarrxvt_upButton(ev->y))
1711 upordown = -1; /* up */
1712 else if (scrollbarrxvt_dnButton(ev->y))
1713 upordown = 1; /* down */
1714 }
1715 if (upordown) {
1716 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1717 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1718 #endif
1719 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1720 if (upordown < 0)
1721 scrollbar_setUp();
1722 else
1723 scrollbar_setDn();
1724 }
1725 } else
1726 switch (ev->button) {
1727 case Button2:
1728 switch (R->scrollbar_align) {
1729 case R_SB_ALIGN_TOP:
1730 R->csrO = 0;
1731 break;
1732 case R_SB_ALIGN_CENTRE:
1733 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1734 break;
1735 case R_SB_ALIGN_BOTTOM:
1736 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1737 break;
1738 }
1739 if (R->scrollBar.style == R_SB_XTERM
1740 || scrollbar_above_slider(ev->y)
1741 || scrollbar_below_slider(ev->y))
1742 rxvt_scr_move_to(aR_
1743 scrollbar_position(ev->y) - R->csrO,
1744 scrollbar_size());
1745 scrollbar_setMotion();
1746 break;
1747
1748 case Button1:
1749 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1750 R->csrO = ev->y - R->scrollBar.top;
1751 /* FALLTHROUGH */
1752
1753 case Button3:
1754 if (R->scrollBar.style != R_SB_XTERM) {
1755 if (scrollbar_above_slider(ev->y))
1756 # ifdef RXVT_SCROLL_FULL
1757 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1758 # else
1759 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1760 # endif
1761 else if (scrollbar_below_slider(ev->y))
1762 # ifdef RXVT_SCROLL_FULL
1763 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1764 # else
1765 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1766 # endif
1767 else
1768 scrollbar_setMotion();
1769 } else {
1770 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1771 (R->TermWin.nrow
1772 * scrollbar_position(ev->y)
1773 / scrollbar_size()));
1774 }
1775 break;
1776 }
1777 }
1778 return;
1779 }
1780 #if MENUBAR
1781 /*
1782 * Menubar window processing of button press
1783 */
1784 if (isMenuBarWindow(ev->window))
1785 rxvt_menubar_control(aR_ ev);
1786 #endif
1787 }
1788
1789 /* INTPROTO */
1790 void
1791 rxvt_button_release(pR_ XButtonEvent *ev)
1792 {
1793 int reportmode = 0;
1794
1795 R->csrO = 0; /* reset csr Offset */
1796 if (!R->bypass_keystate)
1797 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1798
1799 if (scrollbar_isUpDn()) {
1800 scrollbar_setIdle();
1801 rxvt_scrollbar_show(aR_ 0);
1802 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1803 R->refresh_type &= ~SMOOTH_REFRESH;
1804 #endif
1805 }
1806 #ifdef SELECTION_SCROLLING
1807 R->pending_scroll_selection=0;
1808 #endif
1809 if (ev->window == R->TermWin.vt)
1810 {
1811 #ifdef RXVT_GRAPHICS
1812 if (ev->subwindow != None)
1813 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1814 else
1815 #endif
1816 {
1817 if (reportmode)
1818 {
1819 /* mouse report from vt window */
1820 /* don't report release of wheel "buttons" */
1821 if (ev->button >= 4)
1822 return;
1823 #ifdef MOUSE_REPORT_DOUBLECLICK
1824 /* only report the release of 'slow' single clicks */
1825 if (R->MEvent.button != AnyButton
1826 && (ev->button != R->MEvent.button
1827 || (ev->time - R->MEvent.time
1828 > MULTICLICK_TIME / 2)))
1829 {
1830 R->MEvent.clicks = 0;
1831 R->MEvent.button = AnyButton;
1832 rxvt_mouse_report(aR_ ev);
1833 }
1834 #else /* MOUSE_REPORT_DOUBLECLICK */
1835 R->MEvent.button = AnyButton;
1836 rxvt_mouse_report(aR_ ev);
1837 #endif /* MOUSE_REPORT_DOUBLECLICK */
1838 return;
1839 }
1840 /*
1841 * dumb hack to compensate for the failure of click-and-drag
1842 * when overriding mouse reporting
1843 */
1844 if (R->PrivateModes & PrivMode_mouse_report
1845 && R->bypass_keystate
1846 && ev->button == Button1 && R->MEvent.clicks <= 1)
1847 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1848
1849 switch (ev->button) {
1850 case Button1:
1851 case Button3:
1852 rxvt_selection_make(aR_ ev->time);
1853 break;
1854 case Button2:
1855 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1856 break;
1857 #ifdef MOUSE_WHEEL
1858 case Button4:
1859 case Button5:
1860 {
1861 int i, v;
1862
1863 v = (ev->button == Button4) ? UP : DN;
1864 if (ev->state & ShiftMask)
1865 i = 1;
1866 else if ((R->Options & Opt_mouseWheelScrollPage))
1867 i = R->TermWin.nrow - 1;
1868 else
1869 i = 5;
1870 # ifdef MOUSE_SLIP_WHEELING
1871 if (ev->state & ControlMask)
1872 {
1873 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1874 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1875 }
1876 # endif
1877 # ifdef JUMP_MOUSE_WHEEL
1878 rxvt_scr_page(aR_ v, i);
1879 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1880 rxvt_scrollbar_show(aR_ 1);
1881 # else
1882 for (; i--;)
1883 {
1884 rxvt_scr_page(aR_ v, 1);
1885 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1886 rxvt_scrollbar_show(aR_ 1);
1887 }
1888 # endif
1889 }
1890 break;
1891 #endif
1892 }
1893 }
1894 }
1895 #ifdef MENUBAR
1896 else if (isMenuBarWindow(ev->window))
1897 rxvt_menubar_control(aR_ ev);
1898 #endif
1899 }
1900
1901
1902 #ifdef TRANSPARENT
1903 /*
1904 * Check our parents are still who we think they are.
1905 * Do transparency updates if required
1906 */
1907 /* EXTPROTO */
1908 int
1909 rxvt_check_our_parents(pR)
1910 {
1911 int i, pchanged, aformat, have_pixmap, rootdepth;
1912 unsigned long nitems, bytes_after;
1913 Atom atype;
1914 unsigned char *prop = NULL;
1915 Window root, oldp, *list;
1916 Pixmap rootpixmap = None;
1917 XWindowAttributes wattr, wrootattr;
1918
1919 pchanged = 0;
1920
1921 if (!(R->Options & Opt_transparent))
1922 return pchanged; /* Don't try any more */
1923
1924 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1925 rootdepth = wrootattr.depth;
1926
1927 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1928 if (rootdepth != wattr.depth) {
1929 if (R->am_transparent) {
1930 pchanged = 1;
1931 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1932 R->PixColors[Color_bg]);
1933 R->am_transparent = R->am_pixmap_trans = 0;
1934 }
1935 return pchanged; /* Don't try any more */
1936 }
1937
1938 /* Get all X ops out of the queue so that our information is up-to-date. */
1939 XSync(R->Xdisplay, False);
1940
1941 /*
1942 * Make the frame window set by the window manager have
1943 * the root background. Some window managers put multiple nested frame
1944 * windows for each client, so we have to take care about that.
1945 */
1946 i = (R->xa[XA_XROOTPMAPID] != 0
1947 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1948 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1949 &nitems, &bytes_after, &prop) == Success));
1950 if (!i || prop == NULL)
1951 have_pixmap = 0;
1952 else {
1953 have_pixmap = 1;
1954 rootpixmap = *((Pixmap *)prop);
1955 XFree(prop);
1956 }
1957 if (have_pixmap) {
1958 /*
1959 * Copy Xroot pixmap transparency
1960 */
1961 int sx, sy, nx, ny;
1962 unsigned int nw, nh;
1963 Window cr;
1964 XImage *image;
1965 GC gc;
1966 XGCValues gcvalue;
1967
1968 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1969 0, 0, &sx, &sy, &cr);
1970 nw = (unsigned int)R->szHint.width;
1971 nh = (unsigned int)R->szHint.height;
1972 nx = ny = 0;
1973 if (sx < 0) {
1974 nw += sx;
1975 nx = -sx;
1976 sx = 0;
1977 }
1978 if (sy < 0) {
1979 nh += sy;
1980 ny = -sy;
1981 sy = 0;
1982 }
1983 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1984 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1985 R->allowedxerror = -1;
1986 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1987 ZPixmap);
1988 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1989 /* XXX: may need a delay here? */
1990 R->allowedxerror = 0;
1991 if (image == NULL) {
1992 if (R->am_transparent && R->am_pixmap_trans) {
1993 pchanged = 1;
1994 if (R->TermWin.pixmap != None) {
1995 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1996 R->TermWin.pixmap = None;
1997 }
1998 }
1999 R->am_pixmap_trans = 0;
2000 } else {
2001 if (R->TermWin.pixmap != None)
2002 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
2003 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
2004 (unsigned int)R->szHint.width,
2005 (unsigned int)R->szHint.height,
2006 (unsigned int)image->depth);
2007 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
2008 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
2009 nx, ny, (unsigned int)image->width,
2010 (unsigned int)image->height);
2011 XFreeGC(R->Xdisplay, gc);
2012 XDestroyImage(image);
2013 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2014 R->TermWin.pixmap);
2015 if (!R->am_transparent || !R->am_pixmap_trans)
2016 pchanged = 1;
2017 R->am_transparent = R->am_pixmap_trans = 1;
2018 }
2019 }
2020 if (!R->am_pixmap_trans) {
2021 unsigned int n;
2022 /*
2023 * InheritPixmap transparency
2024 */
2025 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
2026 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
2027 i++) {
2028 oldp = R->TermWin.parent[i];
2029 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2030 &R->TermWin.parent[i], &list, &n);
2031 XFree(list);
2032 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2033 if (R->TermWin.parent[i] == Xroot) {
2034 if (oldp != None)
2035 pchanged = 1;
2036 break;
2037 }
2038 if (oldp != R->TermWin.parent[i])
2039 pchanged = 1;
2040 }
2041 n = 0;
2042 if (pchanged) {
2043 for (; n < (unsigned int)i; n++) {
2044 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2045 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2046 if (wattr.depth != rootdepth || wattr.class == InputOnly) {
2047 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2048 break;
2049 }
2050 }
2051 }
2052 if (n > (int)(sizeof(R->TermWin.parent)
2053 / sizeof(R->TermWin.parent[0]))) {
2054 D_X((stderr, "InheritPixmap Turning off"));
2055 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2056 R->PixColors[Color_fg]);
2057 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2058 R->PixColors[Color_bg]);
2059 R->am_transparent = 0;
2060 /* XXX: also turn off Opt_transparent? */
2061 } else {
2062 /* wait (an arbitrary period) for the WM to do its thing
2063 * needed for fvwm2.2.2 (and before?) */
2064 # ifdef HAVE_NANOSLEEP
2065 struct timespec rqt;
2066
2067 rqt.tv_sec = 1;
2068 rqt.tv_nsec = 0;
2069 nanosleep(&rqt, NULL);
2070 # else
2071 sleep(1);
2072 # endif
2073 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2074 for (n = 0; n < (unsigned int)i; n++)
2075 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2076 ParentRelative);
2077 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2078 ParentRelative);
2079 R->am_transparent = 1;
2080 }
2081 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2082 R->TermWin.parent[i] = None;
2083 }
2084 return pchanged;
2085 }
2086 #endif
2087
2088 /*}}} */
2089
2090 /*{{{ print pipe */
2091 /*----------------------------------------------------------------------*/
2092 #ifdef PRINTPIPE
2093 /* EXTPROTO */
2094 FILE *
2095 rxvt_popen_printer(pR)
2096 {
2097 FILE *stream = popen(R->rs[Rs_print_pipe], "w");
2098
2099 if (stream == NULL)
2100 rxvt_print_error("can't open printer pipe");
2101 return stream;
2102 }
2103
2104 /* EXTPROTO */
2105 int
2106 rxvt_pclose_printer (FILE *stream)
2107 {
2108 fflush (stream);
2109 /* pclose() reported not to work on SunOS 4.1.3 */
2110 # if defined (__sun__) /* TODO: RESOLVE THIS */
2111 /* pclose works provided SIGCHLD handler uses waitpid */
2112 return pclose (stream); /* return fclose (stream); */
2113 # else
2114 return pclose (stream);
2115 # endif
2116 }
2117
2118 /*
2119 * simulate attached vt100 printer
2120 */
2121 /* INTPROTO */
2122 void
2123 rxvt_process_print_pipe(pR)
2124 {
2125 int done;
2126 FILE *fd;
2127
2128 if ((fd = rxvt_popen_printer(aR)) == NULL)
2129 return;
2130
2131 /*
2132 * Send all input to the printer until either ESC[4i or ESC[?4i
2133 * is received.
2134 */
2135 for (done = 0; !done;) {
2136 unsigned char buf[8];
2137 unsigned char ch;
2138 unsigned int i, len;
2139
2140 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2141 if (putc(ch, fd) == EOF)
2142 break; /* done = 1 */
2143 } else {
2144 len = 0;
2145 buf[len++] = ch;
2146
2147 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2148 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2149 buf[len++] = '?';
2150 ch = rxvt_cmd_getc(aR);
2151 }
2152 if ((buf[len++] = ch) == '4') {
2153 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2154 break; /* done = 1 */
2155 }
2156 }
2157 for (i = 0; i < len; i++)
2158 if (putc(buf[i], fd) == EOF) {
2159 done = 1;
2160 break;
2161 }
2162 }
2163 }
2164 rxvt_pclose_printer(fd);
2165 }
2166 #endif /* PRINTPIPE */
2167 /*}}} */
2168
2169 /* *INDENT-OFF* */
2170 enum {
2171 C1_40 = 0x40,
2172 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2173 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2174 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2175 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2176 };
2177 /* *INDENT-ON* */
2178
2179 /*{{{ process non-printing single characters */
2180 /* INTPROTO */
2181 void
2182 rxvt_process_nonprinting(pR_ unsigned char ch)
2183 {
2184 switch (ch) {
2185 case C0_ENQ: /* terminal Status */
2186 if (R->rs[Rs_answerbackstring])
2187 R->tt_write(
2188 (const unsigned char *)R->rs[Rs_answerbackstring],
2189 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2190 else
2191 R->tt_write((unsigned char *)VT100_ANS,
2192 (unsigned int)STRLEN(VT100_ANS));
2193 break;
2194 case C0_BEL: /* bell */
2195 rxvt_scr_bell(aR);
2196 break;
2197 case C0_BS: /* backspace */
2198 rxvt_scr_backspace(aR);
2199 break;
2200 case C0_HT: /* tab */
2201 rxvt_scr_tab(aR_ 1);
2202 break;
2203 case C0_CR: /* carriage return */
2204 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2205 break;
2206 case C0_VT: /* vertical tab, form feed */
2207 case C0_FF:
2208 case C0_LF: /* line feed */
2209 rxvt_scr_index(aR_ UP);
2210 break;
2211 case C0_SO: /* shift out - acs */
2212 rxvt_scr_charset_choose(aR_ 1);
2213 break;
2214 case C0_SI: /* shift in - acs */
2215 rxvt_scr_charset_choose(aR_ 0);
2216 break;
2217 }
2218 }
2219 /*}}} */
2220
2221
2222 /*{{{ process VT52 escape sequences */
2223 /* INTPROTO */
2224 void
2225 rxvt_process_escape_vt52(pR_ unsigned char ch)
2226 {
2227 int row, col;
2228
2229 switch (ch) {
2230 case 'A': /* cursor up */
2231 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2232 break;
2233 case 'B': /* cursor down */
2234 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2235 break;
2236 case 'C': /* cursor right */
2237 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2238 break;
2239 case 'D': /* cursor left */
2240 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2241 break;
2242 case 'H': /* cursor home */
2243 rxvt_scr_gotorc(aR_ 0, 0, 0);
2244 break;
2245 case 'I': /* cursor up and scroll down if needed */
2246 rxvt_scr_index(aR_ DN);
2247 break;
2248 case 'J': /* erase to end of screen */
2249 rxvt_scr_erase_screen(aR_ 0);
2250 break;
2251 case 'K': /* erase to end of line */
2252 rxvt_scr_erase_line(aR_ 0);
2253 break;
2254 case 'Y': /* move to specified row and col */
2255 /* full command is 'ESC Y row col' where row and col
2256 * are encoded by adding 32 and sending the ascii
2257 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2258 * etc. */
2259 row = rxvt_cmd_getc(aR) - ' ';
2260 col = rxvt_cmd_getc(aR) - ' ';
2261 rxvt_scr_gotorc(aR_ row, col, 0);
2262 break;
2263 case 'Z': /* identify the terminal type */
2264 R->tt_printf("\033/Z"); /* I am a VT100 emulating a VT52 */
2265 break;
2266 case '<': /* turn off VT52 mode */
2267 PrivMode(0, PrivMode_vt52);
2268 break;
2269 case 'F': /* use special graphics character set */
2270 case 'G': /* use regular character set */
2271 /* unimplemented */
2272 break;
2273 case '=': /* use alternate keypad mode */
2274 case '>': /* use regular keypad mode */
2275 /* unimplemented */
2276 break;
2277 }
2278 }
2279 /*}}} */
2280
2281
2282 /*{{{ process escape sequences */
2283 /* INTPROTO */
2284 void
2285 rxvt_process_escape_seq(pR)
2286 {
2287 unsigned char ch = rxvt_cmd_getc(aR);
2288
2289 if (R->PrivateModes & PrivMode_vt52) {
2290 rxvt_process_escape_vt52(aR_ ch);
2291 return;
2292 }
2293
2294 switch (ch) {
2295 /* case 1: do_tek_mode (); break; */
2296 case '#':
2297 if (rxvt_cmd_getc(aR) == '8')
2298 rxvt_scr_E(aR);
2299 break;
2300 case '(':
2301 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2302 break;
2303 case ')':
2304 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2305 break;
2306 case '*':
2307 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2308 break;
2309 case '+':
2310 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2311 break;
2312 #ifdef MULTICHAR_SET
2313 case '$':
2314 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2315 break;
2316 #endif
2317 #ifndef NO_FRILLS
2318 case '6':
2319 rxvt_scr_backindex(aR);
2320 break;
2321 #endif
2322 case '7':
2323 rxvt_scr_cursor(aR_ SAVE);
2324 break;
2325 case '8':
2326 rxvt_scr_cursor(aR_ RESTORE);
2327 break;
2328 #ifndef NO_FRILLS
2329 case '9':
2330 rxvt_scr_forwardindex(aR);
2331 break;
2332 #endif
2333 case '=':
2334 case '>':
2335 PrivMode((ch == '='), PrivMode_aplKP);
2336 break;
2337
2338 case C1_40:
2339 rxvt_cmd_getc(aR);
2340 break;
2341 case C1_44:
2342 rxvt_scr_index(aR_ UP);
2343 break;
2344
2345 /* 8.3.87: NEXT LINE */
2346 case C1_NEL: /* ESC E */
2347 {
2348 uint32_t nlcr[] = { '\n', '\r' };
2349 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2350 }
2351 break;
2352
2353 /* kidnapped escape sequence: Should be 8.3.48 */
2354 case C1_ESA: /* ESC G */
2355 rxvt_process_graphics(aR);
2356 break;
2357
2358 /* 8.3.63: CHARACTER TABULATION SET */
2359 case C1_HTS: /* ESC H */
2360 rxvt_scr_set_tab(aR_ 1);
2361 break;
2362
2363 /* 8.3.105: REVERSE LINE FEED */
2364 case C1_RI: /* ESC M */
2365 rxvt_scr_index(aR_ DN);
2366 break;
2367
2368 /* 8.3.142: SINGLE-SHIFT TWO */
2369 /*case C1_SS2: scr_single_shift (2); break; */
2370
2371 /* 8.3.143: SINGLE-SHIFT THREE */
2372 /*case C1_SS3: scr_single_shift (3); break; */
2373
2374 /* 8.3.27: DEVICE CONTROL STRING */
2375 case C1_DCS: /* ESC P */
2376 rxvt_process_dcs_seq(aR);
2377 break;
2378
2379 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2380 case C1_SCI: /* ESC Z */
2381 R->tt_write((const unsigned char *)ESCZ_ANSWER,
2382 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2383 break; /* steal obsolete ESC [ c */
2384
2385 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2386 case C1_CSI: /* ESC [ */
2387 rxvt_process_csi_seq(aR);
2388 break;
2389
2390 /* 8.3.90: OPERATING SYSTEM COMMAND */
2391 case C1_OSC: /* ESC ] */
2392 rxvt_process_osc_seq(aR);
2393 break;
2394
2395 /* 8.3.106: RESET TO INITIAL STATE */
2396 case 'c':
2397 rxvt_scr_poweron(aR);
2398 rxvt_scrollbar_show(aR_ 1);
2399 break;
2400
2401 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2402 case 'n':
2403 rxvt_scr_charset_choose(aR_ 2);
2404 break;
2405
2406 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2407 case 'o':
2408 rxvt_scr_charset_choose(aR_ 3);
2409 break;
2410 }
2411 }
2412 /*}}} */
2413
2414 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2415 /* *INDENT-OFF* */
2416 enum {
2417 CSI_ICH = 0x40,
2418 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2419 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2420 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2421 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2422 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2423 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2424 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2425 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2426 };
2427
2428 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2429 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2430 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2431 #define get_byte_array_bit(array, bit) \
2432 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2433
2434 const unsigned char csi_defaults[] = {
2435 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2436 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2437 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2438 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2439 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2440 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2441 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2442 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2443 };
2444 /* *INDENT-ON* */
2445
2446 /* INTPROTO */
2447 void
2448 rxvt_process_csi_seq(pR)
2449 {
2450 unsigned char ch, priv, i;
2451 unsigned int nargs, p;
2452 int n, ndef;
2453 int arg[ESC_ARGS];
2454
2455 for (nargs = ESC_ARGS; nargs > 0;)
2456 arg[--nargs] = 0;
2457
2458 priv = 0;
2459 ch = rxvt_cmd_getc(aR);
2460 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2461 priv = ch;
2462 ch = rxvt_cmd_getc(aR);
2463 }
2464 /* read any numerical arguments */
2465 for (n = -1; ch < CSI_ICH; ) {
2466 if (isdigit(ch)) {
2467 if (n < 0)
2468 n = ch - '0';
2469 else
2470 n = n * 10 + ch - '0';
2471 } else if (ch == ';') {
2472 if (nargs < ESC_ARGS)
2473 arg[nargs++] = n;
2474 n = -1;
2475 } else if (ch == '\b') {
2476 rxvt_scr_backspace(aR);
2477 } else if (ch == C0_ESC) {
2478 rxvt_process_escape_seq(aR);
2479 return;
2480 } else if (ch < ' ') {
2481 rxvt_process_nonprinting(aR_ ch);
2482 }
2483 ch = rxvt_cmd_getc(aR);
2484 }
2485
2486 if (ch > CSI_7F)
2487 return;
2488
2489 if (nargs < ESC_ARGS)
2490 arg[nargs++] = n;
2491
2492 i = ch - CSI_ICH;
2493 ndef = get_byte_array_bit(csi_defaults, i);
2494 for (p = 0; p < nargs; p++)
2495 if (arg[p] == -1)
2496 arg[p] = ndef;
2497
2498 #ifdef DEBUG_CMD
2499 fprintf(stderr, "CSI ");
2500 for (p = 0; p < nargs; p++)
2501 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2502 fprintf(stderr, "%c\n", ch);
2503 #endif
2504
2505 /*
2506 * private mode handling
2507 */
2508 if (priv) {
2509 switch (priv) {
2510 case '>':
2511 if (ch == CSI_DA) /* secondary device attributes */
2512 R->tt_printf("\033[>%d;%-.8s;0c", 'R', VSTRING);
2513 break;
2514 case '?':
2515 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2516 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2517 break;
2518 }
2519 return;
2520 }
2521
2522 switch (ch) {
2523 /*
2524 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2525 */
2526 #ifdef PRINTPIPE
2527 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2528 switch (arg[0]) {
2529 case 0: /* initiate transfer to primary aux device */
2530 rxvt_scr_printscreen(aR_ 0);
2531 break;
2532 case 5: /* start relay to primary aux device */
2533 rxvt_process_print_pipe(aR);
2534 break;
2535 }
2536 break;
2537 #endif
2538
2539 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2540 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2541 arg[0] = -arg[0];
2542 /* FALLTHROUGH */
2543 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2544 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2545 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2546 break;
2547
2548 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2549 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2550 #ifdef ISO6429
2551 arg[0] = -arg[0];
2552 #else /* emulate common DEC VTs */
2553 arg[0] = arg[0] ? -arg[0] : -1;
2554 #endif
2555 /* FALLTHROUGH */
2556 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2557 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2558 #ifdef ISO6429
2559 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2560 #else /* emulate common DEC VTs */
2561 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2562 #endif
2563 break;
2564
2565 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2566 arg[0] = -arg[0];
2567 /* FALLTHROUGH */
2568 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2569 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2570 break;
2571
2572 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2573 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2574 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2575 break;
2576
2577 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2578 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2579 break;
2580
2581 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2582 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2583 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2584 break;
2585
2586 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2587 arg[0] = -arg[0];
2588 /* FALLTHROUGH */
2589 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2590 rxvt_scr_tab(aR_ arg[0]);
2591 break;
2592
2593 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2594 rxvt_scr_erase_screen(aR_ arg[0]);
2595 break;
2596
2597 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2598 rxvt_scr_erase_line(aR_ arg[0]);
2599 break;
2600
2601 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2602 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2603 break;
2604
2605 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2606 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2607 break;
2608
2609 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2610 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2611 break;
2612
2613 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2614 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2615 break;
2616
2617 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2618 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2619 break;
2620
2621 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2622 arg[0] = -arg[0];
2623 /* FALLTHROUGH */
2624 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2625 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2626 break;
2627
2628 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2629 R->tt_write((const unsigned char *)VT100_ANS,
2630 (unsigned int)(sizeof(VT100_ANS) - 1));
2631 break;
2632
2633 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2634 rxvt_process_sgr_mode(aR_ nargs, arg);
2635 break;
2636
2637 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2638 switch (arg[0]) {
2639 case 5: /* DSR requested */
2640 R->tt_printf("\033[0n");
2641 break;
2642 case 6: /* CPR requested */
2643 rxvt_scr_report_position(aR);
2644 break;
2645 #if defined (ENABLE_DISPLAY_ANSWER)
2646 case 7: /* unofficial extension */
2647 R->tt_printf("%-.250s\n", R->rs[Rs_display_name]);
2648 break;
2649 #endif
2650 case 8: /* unofficial extension */
2651 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2652 break;
2653 }
2654 break;
2655
2656 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2657 switch (arg[0]) {
2658 case 0: /* char tab stop cleared at active position */
2659 rxvt_scr_set_tab(aR_ 0);
2660 break;
2661 /* case 1: */ /* line tab stop cleared in active line */
2662 /* case 2: */ /* char tab stops cleared in active line */
2663 case 3: /* all char tab stops are cleared */
2664 /* case 4: */ /* all line tab stops are cleared */
2665 case 5: /* all tab stops are cleared */
2666 rxvt_scr_set_tab(aR_ -1);
2667 break;
2668 }
2669 break;
2670
2671 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2672 switch (arg[0]) {
2673 case 0: /* char tab stop set at active position */
2674 rxvt_scr_set_tab(aR_ 1);
2675 break; /* = ESC H */
2676 /* case 1: */ /* line tab stop set at active line */
2677 case 2: /* char tab stop cleared at active position */
2678 rxvt_scr_set_tab(aR_ 0);
2679 break; /* = ESC [ 0 g */
2680 /* case 3: */ /* line tab stop cleared at active line */
2681 /* case 4: */ /* char tab stops cleared at active line */
2682 case 5: /* all char tab stops are cleared */
2683 rxvt_scr_set_tab(aR_ -1);
2684 break; /* = ESC [ 3 g */
2685 /* case 6: */ /* all line tab stops are cleared */
2686 }
2687 break;
2688
2689 case CSI_RM: /* 8.3.107: RESET MODE */
2690 if (arg[0] == 4)
2691 rxvt_scr_insert_mode(aR_ 0);
2692 break;
2693
2694 case CSI_SM: /* 8.3.126: SET MODE */
2695 if (arg[0] == 4)
2696 rxvt_scr_insert_mode(aR_ 1);
2697 break;
2698
2699 /*
2700 * PRIVATE USE beyond this point. All CSI_7? sequences here
2701 */
2702 case CSI_72: /* DECSTBM: set top and bottom margins */
2703 if (nargs == 1)
2704 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2705 else if (nargs == 0 || arg[0] >= arg[1])
2706 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2707 else
2708 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2709 break;
2710
2711 case CSI_73:
2712 rxvt_scr_cursor(aR_ SAVE);
2713 break;
2714 case CSI_75:
2715 rxvt_scr_cursor(aR_ RESTORE);
2716 break;
2717
2718 #ifndef NO_FRILLS
2719 case CSI_74:
2720 rxvt_process_window_ops(aR_ arg, nargs);
2721 break;
2722 #endif
2723
2724 case CSI_78: /* DECREQTPARM */
2725 if (arg[0] == 0 || arg[0] == 1)
2726 R->tt_printf("\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2727 /* FALLTHROUGH */
2728
2729 default:
2730 break;
2731 }
2732 }
2733 /*}}} */
2734
2735 #ifndef NO_FRILLS
2736 /* ARGSUSED */
2737 /* INTPROTO */
2738 void
2739 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2740 {
2741 int x, y;
2742 #if 0
2743 char *s;
2744 #endif
2745 XWindowAttributes wattr;
2746 Window wdummy;
2747
2748 if (nargs == 0)
2749 return;
2750 switch (args[0]) {
2751 /*
2752 * commands
2753 */
2754 case 1: /* deiconify window */
2755 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2756 break;
2757 case 2: /* iconify window */
2758 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2759 DefaultScreen(R->Xdisplay));
2760 break;
2761 case 3: /* set position (pixels) */
2762 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2763 break;
2764 case 4: /* set size (pixels) */
2765 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2766 break;
2767 case 5: /* raise window */
2768 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2769 break;
2770 case 6: /* lower window */
2771 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2772 break;
2773 case 7: /* refresh window */
2774 rxvt_scr_touch(aR_ True);
2775 break;
2776 case 8: /* set size (chars) */
2777 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2778 (unsigned int)(args[1] * R->TermWin.fheight));
2779 break;
2780 default:
2781 if (args[0] >= 24) /* set height (chars) */
2782 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2783 (unsigned int)(args[1] * R->TermWin.fheight));
2784 break;
2785 /*
2786 * reports - some output format copied from XTerm
2787 */
2788 case 11: /* report window state */
2789 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2790 R->tt_printf("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2791 break;
2792 case 13: /* report window position */
2793 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2794 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2795 -wattr.border_width, -wattr.border_width,
2796 &x, &y, &wdummy);
2797 R->tt_printf("\033[3;%d;%dt", x, y);
2798 break;
2799 case 14: /* report window size (pixels) */
2800 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2801 R->tt_printf("\033[4;%d;%dt", wattr.height, wattr.width);
2802 break;
2803 case 18: /* report window size (chars) */
2804 R->tt_printf("\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2805 break;
2806 #if 0 /* XXX: currently disabled due to security concerns */
2807 case 20: /* report icon label */
2808 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2809 R->tt_printf("\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2810 break;
2811 case 21: /* report window title */
2812 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2813 R->tt_printf("\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2814 break;
2815 #endif
2816 }
2817 }
2818 #endif
2819
2820 /*----------------------------------------------------------------------*/
2821 /*
2822 * get input up until STRING TERMINATOR (or BEL)
2823 * ends_how is terminator used. returned input must be free()d
2824 */
2825 /* INTPROTO */
2826 unsigned char *
2827 rxvt_get_to_st(pR_ unsigned char *ends_how)
2828 {
2829 int seen_esc = 0; /* seen escape? */
2830 unsigned int n = 0;
2831 unsigned char *s;
2832 unsigned char ch, string[STRING_MAX];
2833
2834 for (; (ch = rxvt_cmd_getc(aR));) {
2835 if (ch == C0_BEL
2836 || ch == CHAR_ST
2837 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2838 break;
2839 if (ch == C0_ESC) {
2840 seen_esc = 1;
2841 continue;
2842 } else if (ch == '\t')
2843 ch = ' '; /* translate '\t' to space */
2844 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2845 return NULL; /* other control character - exit */
2846 if (n < sizeof(string) - 1)
2847 string[n++] = ch;
2848 seen_esc = 0;
2849 }
2850 string[n++] = '\0';
2851 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2852 return NULL;
2853 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2854 STRNCPY(s, string, n);
2855 return s;
2856 }
2857
2858 /*----------------------------------------------------------------------*/
2859 /*
2860 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2861 */
2862 /* INTPROTO */
2863 void
2864 rxvt_process_dcs_seq(pR)
2865 {
2866 unsigned char eh, *s;
2867 /*
2868 * Not handled yet
2869 */
2870 s = rxvt_get_to_st(aR_ &eh);
2871 if (s)
2872 free(s);
2873 return;
2874 }
2875
2876 /*----------------------------------------------------------------------*/
2877 /*
2878 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2879 */
2880 /* INTPROTO */
2881 void
2882 rxvt_process_osc_seq(pR)
2883 {
2884 unsigned char ch, eh, *s;
2885 int arg;
2886
2887 ch = rxvt_cmd_getc(aR);
2888 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2889 arg = arg * 10 + (ch - '0');
2890
2891 if (ch == ';') {
2892 s = rxvt_get_to_st(aR_ &eh);
2893 if (s) {
2894 /*
2895 * rxvt_menubar_dispatch() violates the constness of the string,
2896 * so do it here
2897 */
2898 if (arg == XTerm_Menu)
2899 #if 0 /* XXX: currently disabled due to security concerns */
2900 rxvt_menubar_dispatch(aR_ (char *)s);
2901 #else
2902 0;
2903 #endif
2904 else
2905 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2906 free(s);
2907 }
2908 }
2909 }
2910 /*
2911 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2912 * 0 = change iconName/title
2913 * 1 = change iconName
2914 * 2 = change title
2915 * 4 = change color
2916 * 12 = change text color
2917 * 13 = change mouse foreground color
2918 * 17 = change highlight character colour
2919 * 18 = change bold character color
2920 * 19 = change underlined character color
2921 * 46 = change logfile (not implemented)
2922 * 50 = change font
2923 *
2924 * rxvt extensions:
2925 * 10 = menu (may change in future)
2926 * 20 = bg pixmap
2927 * 39 = change default fg color
2928 * 49 = change default bg color
2929 * 55 = dump scrollback buffer and all of screen
2930 */
2931 /* EXTPROTO */
2932 void
2933 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2934 {
2935 int changed = 0;
2936 int color;
2937 char *buf, *name;
2938
2939 assert(str != NULL);
2940 switch (op) {
2941 case XTerm_name:
2942 rxvt_set_title(aR_ str);
2943 /* FALLTHROUGH */
2944 case XTerm_iconName:
2945 rxvt_set_iconName(aR_ str);
2946 break;
2947 case XTerm_title:
2948 rxvt_set_title(aR_ str);
2949 break;
2950 case XTerm_Color:
2951 for (buf = (char *)str; buf && *buf;) {
2952 if ((name = STRCHR(buf, ';')) == NULL)
2953 break;
2954 *name++ = '\0';
2955 color = atoi(buf);
2956 if (color < 0 || color >= TOTAL_COLORS)
2957 break;
2958 if ((buf = STRCHR(name, ';')) != NULL)
2959 *buf++ = '\0';
2960 rxvt_set_window_color(aR_ color + minCOLOR, name);
2961 }
2962 break;
2963 #ifndef NO_CURSORCOLOR
2964 case XTerm_Color_cursor:
2965 rxvt_set_window_color(aR_ Color_cursor, str);
2966 break;
2967 #endif
2968 case XTerm_Color_pointer:
2969 rxvt_set_window_color(aR_ Color_pointer, str);
2970 break;
2971 #ifndef NO_BOLD_UNDERLINE_REVERSE
2972 case XTerm_Color_BD:
2973 rxvt_set_window_color(aR_ Color_BD, str);
2974 break;
2975 case XTerm_Color_UL:
2976 rxvt_set_window_color(aR_ Color_UL, str);
2977 break;
2978 case XTerm_Color_RV:
2979 rxvt_set_window_color(aR_ Color_RV, str);
2980 break;
2981 #endif
2982
2983 case XTerm_Menu:
2984 /*
2985 * rxvt_menubar_dispatch() violates the constness of the string,
2986 * so DON'T do it here
2987 */
2988 break;
2989 case XTerm_Pixmap:
2990 if (*str != ';') {
2991 #if XPM_BACKGROUND
2992 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2993 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2994 #endif
2995 rxvt_scr_touch(aR_ True);
2996 }
2997 while ((str = STRCHR(str, ';')) != NULL) {
2998 str++;
2999 #if XPM_BACKGROUND
3000 changed += rxvt_scale_pixmap(aR_ str);
3001 #endif
3002 }
3003 if (changed) {
3004 #ifdef XPM_BACKGROUND
3005 rxvt_resize_pixmap(aR);
3006 #endif
3007 rxvt_scr_touch(aR_ True);
3008 }
3009 break;
3010
3011 case XTerm_restoreFG:
3012 rxvt_set_window_color(aR_ Color_fg, str);
3013 break;
3014 case XTerm_restoreBG:
3015 rxvt_set_window_color(aR_ Color_bg, str);
3016 break;
3017 case XTerm_logfile:
3018 break;
3019 case XTerm_font:
3020 rxvt_change_font(aR_ 0, str);
3021 break;
3022 #if 0
3023 case XTerm_dumpscreen: /* no error notices */
3024 {
3025 int fd;
3026 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
3027 rxvt_scr_dump(aR_ fd);
3028 close(fd);
3029 }
3030 }
3031 break;
3032 #endif
3033 }
3034 }
3035 /*----------------------------------------------------------------------*/
3036
3037 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
3038 /*
3039 * mode can only have the following values:
3040 * 'l' = low
3041 * 'h' = high
3042 * 's' = save
3043 * 'r' = restore
3044 * 't' = toggle
3045 * so no need for fancy checking
3046 */
3047 /* INTPROTO */
3048 int
3049 rxvt_privcases(pR_ int mode, unsigned long bit)
3050 {
3051 int state;
3052
3053 if (mode == 's') {
3054 R->SavedModes |= (R->PrivateModes & bit);
3055 return -1;
3056 } else {
3057 if (mode == 'r')
3058 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */
3059 else
3060 state = (mode == 't') ? !(R->PrivateModes & bit) : mode;
3061 PrivMode(state, bit);
3062 }
3063 return state;
3064 }
3065
3066 /* we're not using priv _yet_ */
3067 /* INTPROTO */
3068 void
3069 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3070 {
3071 unsigned int i, j;
3072 int state;
3073 static const struct {
3074 const int argval;
3075 const unsigned long bit;
3076 } argtopriv[] = {
3077 { 1, PrivMode_aplCUR },
3078 { 2, PrivMode_vt52 },
3079 { 3, PrivMode_132 },
3080 { 4, PrivMode_smoothScroll },
3081 { 5, PrivMode_rVideo },
3082 { 6, PrivMode_relOrigin },
3083 { 7, PrivMode_Autowrap },
3084 { 9, PrivMode_MouseX10 },
3085 #ifdef menuBar_esc
3086 { menuBar_esc, PrivMode_menuBar },
3087 #endif
3088 #ifdef scrollBar_esc
3089 { scrollBar_esc, PrivMode_scrollBar },
3090 #endif
3091 { 25, PrivMode_VisibleCursor },
3092 { 35, PrivMode_ShiftKeys },
3093 { 40, PrivMode_132OK },
3094 { 47, PrivMode_Screen },
3095 { 66, PrivMode_aplKP },
3096 #ifndef NO_BACKSPACE_KEY
3097 { 67, PrivMode_BackSpace },
3098 #endif
3099 { 1000, PrivMode_MouseX11 },
3100 { 1010, PrivMode_TtyOutputInh },
3101 { 1011, PrivMode_Keypress },
3102 { 1047, PrivMode_Screen },
3103 };
3104
3105 if (nargs == 0)
3106 return;
3107
3108 /* make lo/hi boolean */
3109 if (mode == 'l')
3110 mode = 0; /* reset */
3111 else if (mode == 'h')
3112 mode = 1; /* set */
3113
3114 for (i = 0; i < nargs; i++) {
3115 state = -1;
3116
3117 /* basic handling */
3118 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3119 if (argtopriv[j].argval == arg[i]) {
3120 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3121 break;
3122 }
3123
3124 /* extra handling for values with state unkept */
3125 if (state == -1)
3126 switch (arg[i]) {
3127 case 1048: /* alternative cursor save */
3128 if (mode == 0)
3129 rxvt_scr_cursor(aR_ RESTORE);
3130 else if (mode == 1)
3131 rxvt_scr_cursor(aR_ SAVE);
3132 /* FALLTHROUGH */
3133 default:
3134 continue; /* for(;i;) */
3135 }
3136
3137 /* extra handling for values with valid 0 or 1 state */
3138 switch (arg[i]) {
3139 /* case 1: - application cursor keys */
3140 case 2: /* VT52 mode */
3141 /* oddball mode. should be set regardless of set/reset
3142 * parameter. Return from VT52 mode with an ESC < from
3143 * within VT52 mode
3144 */
3145 PrivMode(1, PrivMode_vt52);
3146 break;
3147 case 3: /* 80/132 */
3148 if (R->PrivateModes & PrivMode_132OK)
3149 rxvt_set_widthheight(aR_
3150 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3151 (unsigned int)R->TermWin.height);
3152 break;
3153 case 4: /* smooth scrolling */
3154 if (state)
3155 R->Options &= ~Opt_jumpScroll;
3156 else
3157 R->Options |= Opt_jumpScroll;
3158 break;
3159 case 5: /* reverse video */
3160 rxvt_scr_rvideo_mode(aR_ state);
3161 break;
3162 case 6: /* relative/absolute origins */
3163 rxvt_scr_relative_origin(aR_ state);
3164 break;
3165 case 7: /* autowrap */
3166 rxvt_scr_autowrap(aR_ state);
3167 break;
3168 /* case 8: - auto repeat, can't do on a per window basis */
3169 case 9: /* X10 mouse reporting */
3170 if (state) /* orthogonal */
3171 R->PrivateModes &= ~(PrivMode_MouseX11);
3172 break;
3173 #ifdef menuBar_esc
3174 case menuBar_esc:
3175 #ifdef MENUBAR
3176 rxvt_map_menuBar(aR_ state);
3177 #endif
3178 break;
3179 #endif
3180 #ifdef scrollBar_esc
3181 case scrollBar_esc:
3182 if (rxvt_scrollbar_mapping(aR_ state)) {
3183 rxvt_resize_all_windows(aR_ 0, 0, 0);
3184 rxvt_scr_touch(aR_ True);
3185 }
3186 break;
3187 #endif
3188 case 25: /* visible/invisible cursor */
3189 rxvt_scr_cursor_visible(aR_ state);
3190 break;
3191 /* case 35: - shift keys */
3192 /* case 40: - 80 <--> 132 mode */
3193 case 47: /* secondary screen */
3194 rxvt_scr_change_screen(aR_ state);
3195 break;
3196 /* case 66: - application key pad */
3197 /* case 67: - backspace key */
3198 case 1000: /* X11 mouse reporting */
3199 if (state) /* orthogonal */
3200 R->PrivateModes &= ~(PrivMode_MouseX10);
3201 break;
3202 #if 0
3203 case 1001:
3204 break; /* X11 mouse highlighting */
3205 #endif
3206 case 1010: /* scroll to bottom on TTY output inhibit */
3207 if (state)
3208 R->Options &= ~Opt_scrollTtyOutput;
3209 else
3210 R->Options |= Opt_scrollTtyOutput;
3211 break;
3212 case 1011: /* scroll to bottom on key press */
3213 if (state)
3214 R->Options |= Opt_scrollTtyKeypress;
3215 else
3216 R->Options &= ~Opt_scrollTtyKeypress;
3217 break;
3218 case 1047: /* secondary screen w/ clearing */
3219 if (R->current_screen != PRIMARY)
3220 rxvt_scr_erase_screen(aR_ 2);
3221 rxvt_scr_change_screen(aR_ state);
3222 /* FALLTHROUGH */
3223 default:
3224 break;
3225 }
3226 }
3227 }
3228 /*}}} */
3229
3230 /*{{{ process sgr sequences */
3231 /* INTPROTO */
3232 void
3233 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3234 {
3235 unsigned int i;
3236 short rendset;
3237 int rendstyle;
3238
3239 if (nargs == 0) {
3240 rxvt_scr_rendition(aR_ 0, ~RS_None);
3241 return;
3242 }
3243 for (i = 0; i < nargs; i++) {
3244 rendset = -1;
3245 switch (arg[i]) {
3246 case 0:
3247 rendset = 0, rendstyle = ~RS_None;
3248 break;
3249 case 1:
3250 rendset = 1, rendstyle = RS_Bold;
3251 break;
3252 case 4:
3253 rendset = 1, rendstyle = RS_Uline;
3254 break;
3255 case 5:
3256 rendset = 1, rendstyle = RS_Blink;
3257 break;
3258 case 7:
3259 rendset = 1, rendstyle = RS_RVid;
3260 break;
3261 case 22:
3262 rendset = 0, rendstyle = RS_Bold;
3263 break;
3264 case 24:
3265 rendset = 0, rendstyle = RS_Uline;
3266 break;
3267 case 25:
3268 rendset = 0, rendstyle = RS_Blink;
3269 break;
3270 case 27:
3271 rendset = 0, rendstyle = RS_RVid;
3272 break;
3273 }
3274 if (rendset != -1) {
3275 rxvt_scr_rendition(aR_ rendset, rendstyle);
3276 continue; /* for(;i;) */
3277 }
3278
3279 switch (arg[i]) {
3280 case 30:
3281 case 31: /* set fg color */
3282 case 32:
3283 case 33:
3284 case 34:
3285 case 35:
3286 case 36:
3287 case 37:
3288 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3289 Color_fg);
3290 break;
3291 #ifdef TTY_256COLOR
3292 case 38:
3293 if (nargs > i + 2 && arg[i + 1] == 5) {
3294 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3295 Color_fg);
3296 i += 2;
3297 }
3298 break;
3299 #endif
3300 case 39: /* default fg */
3301 rxvt_scr_color(aR_ Color_fg, Color_fg);
3302 break;
3303
3304 case 40:
3305 case 41: /* set bg color */
3306 case 42:
3307 case 43:
3308 case 44:
3309 case 45:
3310 case 46:
3311 case 47:
3312 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3313 Color_bg);
3314 break;
3315 #ifdef TTY_256COLOR
3316 case 48:
3317 if (nargs > i + 2 && arg[i + 1] == 5) {
3318 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3319 Color_bg);
3320 i += 2;
3321 }
3322 break;
3323 #endif
3324 case 49: /* default bg */
3325 rxvt_scr_color(aR_ Color_bg, Color_bg);
3326 break;
3327
3328 #ifndef NO_BRIGHTCOLOR
3329 case 90:
3330 case 91: /* set bright fg color */
3331 case 92:
3332 case 93:
3333 case 94:
3334 case 95:
3335 case 96:
3336 case 97:
3337 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3338 Color_fg);
3339 break;
3340 case 100:
3341 case 101: /* set bright bg color */
3342 case 102:
3343 case 103:
3344 case 104:
3345 case 105:
3346 case 106:
3347 case 107:
3348 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3349 Color_bg);
3350 break;
3351 #endif
3352 }
3353 }
3354 }
3355 /*}}} */
3356
3357 /*{{{ process Rob Nation's own graphics mode sequences */
3358 /* INTPROTO */
3359 void
3360 rxvt_process_graphics(pR)
3361 {
3362 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3363
3364 #ifndef RXVT_GRAPHICS
3365 if (cmd == 'Q') { /* query graphics */
3366 R->tt_printf("\033G0\n"); /* no graphics */
3367 return;
3368 }
3369 /* swallow other graphics sequences until terminating ':' */
3370 do
3371 ch = rxvt_cmd_getc(aR);
3372 while (ch != ':');
3373 #else
3374 unsigned int nargs;
3375 int args[NGRX_PTS];
3376 unsigned char *text = NULL;
3377
3378 if (cmd == 'Q') { /* query graphics */
3379 R->tt_printf("\033G1\n"); /* yes, graphics (color) */
3380 return;
3381 }
3382 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3383 int neg;
3384
3385 ch = rxvt_cmd_getc(aR);
3386 neg = (ch == '-');
3387 if (neg || ch == '+')
3388 ch = rxvt_cmd_getc(aR);
3389
3390 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3391 args[nargs] = args[nargs] * 10 + (ch - '0');
3392 if (neg)
3393 args[nargs] = -args[nargs];
3394
3395 nargs++;
3396 args[nargs] = 0;
3397 if (ch != ';')
3398 break;
3399 }
3400
3401 if ((cmd == 'T') && (nargs >= 5)) {
3402 int i, len = args[4];
3403
3404 text = rxvt_malloc((len + 1) * sizeof(char));
3405
3406 if (text != NULL) {
3407 for (i = 0; i < len; i++)
3408 text[i] = rxvt_cmd_getc(aR);
3409 text[len] = '\0';
3410 }
3411 }
3412 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3413 #endif
3414 }
3415 /*}}} */
3416
3417 /* ------------------------------------------------------------------------- */
3418
3419 /*
3420 * Send printf() formatted output to the command.
3421 * Only use for small amounts of data.
3422 */
3423 void
3424 rxvt_term::tt_printf (const char *fmt,...)
3425 {
3426 va_list arg_ptr;
3427 unsigned char buf[256];
3428
3429 va_start (arg_ptr, fmt);
3430 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3431 va_end (arg_ptr);
3432 tt_write (buf, STRLEN (buf));
3433 }
3434
3435 /* ---------------------------------------------------------------------- */
3436 /* Write data to the pty as typed by the user, pasted with the mouse,
3437 * or generated by us in response to a query ESC sequence.
3438 */
3439 void
3440 rxvt_term::tt_write (const unsigned char *data, unsigned int len)
3441 {
3442 enum { MAX_PTY_WRITE = 255 }; // minimum MAX_INPUT
3443
3444 if (len)
3445 {
3446 if (v_buflen == 0)
3447 {
3448 int written = write (cmd_fd, data, min (MAX_PTY_WRITE, len));
3449 if (written == len)
3450 return;
3451
3452 data += written;
3453 len -= written;
3454 }
3455
3456
3457 v_buffer = (unsigned char *)realloc (v_buffer, v_buflen + len);
3458
3459 memcpy (v_buffer + v_buflen, data, len);
3460 v_buflen += len;
3461 }
3462
3463 for (;;)
3464 {
3465 int written = write (cmd_fd, v_buffer, min (MAX_PTY_WRITE, v_buflen));
3466
3467 if (written > 0)
3468 {
3469 v_buflen -= written;
3470
3471 if (v_buflen == 0)
3472 {
3473 free (v_buffer);
3474 v_buffer = 0;
3475 v_buflen = 0;
3476
3477 pty_ev.set (EVENT_READ);
3478 return;
3479 }
3480
3481 memmove (v_buffer, v_buffer + written, v_buflen);
3482 }
3483 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3484 // original code just ignores this...
3485 destroy ();
3486 else
3487 {
3488 pty_ev.set (EVENT_READ | EVENT_WRITE);
3489 return;
3490 }
3491 }
3492 }
3493
3494 /*----------------------- end-of-file (C source) -----------------------*/
3495