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Revision: 1.7
Committed: Tue Nov 25 17:34:47 2003 UTC (20 years, 5 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.6: +7 -6 lines
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File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.6 2003/11/25 17:11:33 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 rxvt_tt_write(aR_ &ch, 1);
243 rxvt_tt_write(aR_ 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 rxvt_tt_write(aR_ &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 rxvt_tt_write(aR_ 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::process_x_events ()
662 {
663 do
664 {
665 XEvent xev;
666
667 XNextEvent (Xdisplay, &xev);
668
669 #if defined(CURSOR_BLINK)
670 if ((Options & Opt_cursorBlink)
671 && xev.type == KeyPress)
672 {
673 if (hidden_cursor)
674 {
675 hidden_cursor = 0;
676 want_refresh = 1;
677 }
678
679 blink_ev.start (NOW + BLINK_INTERVAL);
680 }
681 #endif
682
683 #if defined(POINTER_BLANK)
684 if ((Options & Opt_pointerBlank)
685 && (pointerBlankDelay > 0))
686 {
687 if (xev.type == MotionNotify
688 || xev.type == ButtonPress
689 || xev.type == ButtonRelease)
690 if (hidden_pointer)
691 pointer_unblank ();
692
693 if (xev.type == KeyPress && hidden_pointer == 0)
694 pointer_blank ();
695 }
696 #endif
697
698 #ifdef USE_XIM
699 if (!XFilterEvent (&xev, xev.xany.window))
700 #endif
701 rxvt_process_x_event (this, &xev);
702 }
703 while (XPending (Xdisplay));
704 }
705
706 void
707 rxvt_term::blink_cb (time_watcher &w)
708 {
709 w.at += BLINK_INTERVAL;
710 hidden_cursor = !hidden_cursor;
711 want_refresh = 1;
712 flush();
713 }
714
715 void
716 rxvt_term::x_cb (io_watcher &w, short revents)
717 {
718 process_x_events ();
719
720 flush ();
721 }
722
723 // read the next character, currently handles UTF-8
724 // will probably handle all sorts of other stuff in the future
725 uint32_t
726 rxvt_term::next_char ()
727 {
728 struct mbstate &s = mbstate;
729
730 while (cmdbuf_ptr < cmdbuf_endp)
731 {
732 uint8_t ch = *cmdbuf_ptr;
733
734 if (s.cnt)
735 {
736 if ((ch & 0xc0) == 0x80)
737 {
738 cmdbuf_ptr++;
739
740 /* continuation */
741 s.reg = (s.reg << 6) | (ch & 0x7f);
742
743 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
744 return s.reg;
745
746 continue;
747 }
748 else
749 {
750 s.cnt = 0;
751 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */
752 }
753 }
754
755 if ((ch & 0xc0) == 0xc0)
756 {
757 cmdbuf_ptr++;
758
759 /* first byte */
760 s.orig = ch; /* for broken encodings */
761 s.reg = ch;
762 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; }
763 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; }
764 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; }
765 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; }
766 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; }
767 }
768 else
769 {
770 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */
771 return ch;
772 }
773 }
774
775 return NOCHAR;
776 }
777
778 bool
779 rxvt_term::pty_fill (size_t count)
780 {
781 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
782
783 memmove (cmdbuf_base, cmdbuf_ptr, n);
784 cmdbuf_ptr = cmdbuf_base;
785 cmdbuf_endp = cmdbuf_ptr + n;
786
787 n = read (cmd_fd, cmdbuf_endp, count);
788
789 if (n > 0)
790 {
791 cmdbuf_endp += n;
792 return true;
793 }
794 else if (n < 0 && errno == EAGAIN)
795 return false;
796
797 rxvt_clean_exit();
798 exit(EXIT_FAILURE); /* bad order of events? */
799 }
800
801 void
802 rxvt_term::pty_cb (io_watcher &w, short revents)
803 {
804 while (pty_fill (BUFSIZ - (cmdbuf_endp - cmdbuf_ptr)))
805 {
806 /* once we know the shell is running, send the screen size. Again! */
807 //ch = rxvt_cmd_getc(aR); /* wait for something */
808 //rxvt_tt_winsize(cmd_fd, TermWin.ncol, TermWin.nrow, cmd_pid);
809
810 uint32_t ch = NOCHAR;
811
812 for (;;)
813 {
814 if (ch == NOCHAR)
815 ch = next_char ();
816
817 if (ch == NOCHAR) // TODO: improve
818 break;
819
820 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
821 {
822 /* Read a text string from the input buffer */
823 uint32_t buf[BUFSIZ];
824 bool refreshnow = false;
825 int nlines = 0;
826 uint32_t *str = buf;
827
828 *str++ = ch;
829
830 for (;;)
831 {
832 ch = next_char ();
833
834 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
835 break;
836 else
837 {
838 *str++ = ch;
839
840 if (ch == '\n')
841 {
842 nlines++;
843 refresh_count++;
844
845 if (!(Options & Opt_jumpScroll)
846 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
847 {
848 refreshnow = true;
849 ch = NOCHAR;
850 break;
851 }
852 }
853
854 if (str >= buf + BUFSIZ)
855 {
856 ch = NOCHAR;
857 break;
858 }
859 }
860 }
861
862 rxvt_scr_add_lines (this, buf, nlines, str - buf);
863
864 /*
865 * If there have been a lot of new lines, then update the screen
866 * What the heck I'll cheat and only refresh less than every page-full.
867 * the number of pages between refreshes is refresh_limit, which
868 * is incremented here because we must be doing flat-out scrolling.
869 *
870 * refreshing should be correct for small scrolls, because of the
871 * time-out
872 */
873 if (refreshnow)
874 {
875 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
876 refresh_limit++;
877
878 rxvt_scr_refresh (this, refresh_type);
879 }
880
881 }
882 else
883 {
884 switch (ch)
885 {
886 default:
887 rxvt_process_nonprinting (this, ch);
888 break;
889 case C0_ESC: /* escape char */
890 rxvt_process_escape_seq (this);
891 break;
892 /*case 0x9b: */ /* CSI */
893 /* rxvt_process_csi_seq (this); */
894 }
895
896 ch = NOCHAR;
897 }
898 }
899 }
900
901 flush ();
902 }
903
904 void
905 rxvt_term::flush ()
906 {
907 #ifdef TRANSPARENT
908 if (want_full_refresh)
909 {
910 want_full_refresh = 0;
911 rxvt_scr_clear (this);
912 rxvt_scr_touch (this, False);
913 want_refresh = 1;
914 }
915 #endif
916
917 if (want_refresh)
918 {
919 rxvt_scr_refresh (this, refresh_type);
920 rxvt_scrollbar_show (this, 1);
921 #ifdef USE_XIM
922 rxvt_IMSendSpot (this);
923 #endif
924 }
925
926 XFlush (Xdisplay);
927 }
928
929 /* rxvt_cmd_getc() - Return next input character */
930 /*
931 * Return the next input character after first passing any keyboard input
932 * to the command.
933 */
934 /* INTPROTO */
935 uint32_t
936 rxvt_cmd_getc(pR)
937 {
938 for (;;)
939 {
940 uint32_t c = R->next_char ();
941 if (c != NOCHAR)
942 return c;
943
944 // incomplete sequences should occur rarely, still, a better solution
945 // would be preferred. either setjmp/longjmp or better design.
946 fcntl (R->cmd_fd, F_SETFL, 0);
947 R->pty_fill (1);
948 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
949 }
950
951 #if 0
952 #define TIMEOUT_USEC 5000
953 fd_set readfds;
954 int quick_timeout, select_res;
955 int want_motion_time, want_keypress_time;
956 struct timeval value;
957 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
958 struct timeval tp;
959 #endif
960
961 for (;;) {
962 /* loop until we can return something */
963
964 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
965 rxvt_tt_write(aR_ NULL, 0);
966
967 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
968 if (R->mouse_slip_wheel_speed) {
969 quick_timeout = 1;
970 if (!R->mouse_slip_wheel_delay--
971 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
972 abs(R->mouse_slip_wheel_speed))) {
973 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
974 R->refresh_type |= SMOOTH_REFRESH;
975 R->want_refresh = 1;
976 }
977 }
978 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
979 #ifdef SELECTION_SCROLLING
980 if (R->pending_scroll_selection) {
981 quick_timeout = 1;
982 if (!R->scroll_selection_delay--
983 && rxvt_scr_page(aR_ R->scroll_selection_dir,
984 R->scroll_selection_lines)) {
985 rxvt_selection_extend(aR_ R->selection_save_x,
986 R->selection_save_y, R->selection_save_state);
987 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
988 R->refresh_type |= SMOOTH_REFRESH;
989 R->want_refresh = 1;
990 }
991 }
992 #endif
993 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
994 if (scrollbar_isUp() || scrollbar_isDn()) {
995 quick_timeout = 1;
996 if (!R->scroll_arrow_delay--
997 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
998 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
999 R->refresh_type |= SMOOTH_REFRESH;
1000 R->want_refresh = 1;
1001 }
1002 }
1003 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1004
1005 #ifdef TRANSPARENT
1006 quick_timeout |= R->want_full_refresh;
1007 #endif
1008 #endif
1009 }
1010
1011 void
1012 rxvt_term::pointer_unblank ()
1013 {
1014 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1015 rxvt_recolour_cursor (this);
1016
1017 #ifdef POINTER_BLANK
1018 hidden_pointer = 0;
1019
1020 if (Options & Opt_pointerBlank)
1021 pointer_ev.start (NOW + pointerBlankDelay);
1022 #endif
1023 }
1024
1025 #ifdef POINTER_BLANK
1026 void
1027 rxvt_term::pointer_blank ()
1028 {
1029 pointer_ev.stop ();
1030
1031 if (!(Options & Opt_pointerBlank))
1032 return;
1033
1034 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1035 XFlush (Xdisplay);
1036
1037 hidden_pointer = 1;
1038 }
1039
1040 void
1041 rxvt_term::pointer_cb (time_watcher &w)
1042 {
1043 pointer_blank ();
1044 }
1045 #endif
1046
1047 /* INTPROTO */
1048 void
1049 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1050 {
1051 int button_number, key_state = 0;
1052 int x, y;
1053
1054 x = ev->x;
1055 y = ev->y;
1056 rxvt_pixel_position(aR_ &x, &y);
1057
1058 if (R->MEvent.button == AnyButton) {
1059 button_number = 3;
1060 } else {
1061 button_number = R->MEvent.button - Button1;
1062 /* add 0x3D for wheel events, like xterm does */
1063 if (button_number >= 3)
1064 button_number += (64 - 3);
1065 }
1066
1067 if (R->PrivateModes & PrivMode_MouseX10) {
1068 /*
1069 * do not report ButtonRelease
1070 * no state info allowed
1071 */
1072 key_state = 0;
1073 if (button_number == 3)
1074 return;
1075 } else {
1076 /* XTerm mouse reporting needs these values:
1077 * 4 = Shift
1078 * 8 = Meta
1079 * 16 = Control
1080 * plus will add in our own Double-Click reporting
1081 * 32 = Double Click
1082 */
1083 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1084 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1085 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1086 #ifdef MOUSE_REPORT_DOUBLECLICK
1087 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1088 #endif
1089 }
1090
1091 #ifdef DEBUG_MOUSEREPORT
1092 fprintf(stderr, "Mouse [");
1093 if (key_state & 16)
1094 fputc('C', stderr);
1095 if (key_state & 4)
1096 fputc('S', stderr);
1097 if (key_state & 8)
1098 fputc('A', stderr);
1099 if (key_state & 32)
1100 fputc('2', stderr);
1101 fprintf(stderr, "]: <%d>, %d/%d\n",
1102 button_number,
1103 x + 1,
1104 y + 1);
1105 #else
1106 rxvt_tt_printf(aR_ "\033[M%c%c%c",
1107 (32 + button_number + key_state),
1108 (32 + x + 1),
1109 (32 + y + 1));
1110 #endif
1111 }
1112
1113 #ifdef USING_W11LIB
1114 /* EXTPROTO */
1115 void
1116 rxvt_W11_process_x_event(XEvent *ev)
1117 {
1118 rxvt_t *r = rxvt_get_r();
1119
1120 rxvt_process_x_event(aR_ ev);
1121 }
1122 #endif
1123
1124 /*{{{ process an X event */
1125 /* INTPROTO */
1126 void
1127 rxvt_process_x_event(pR_ XEvent *ev)
1128 {
1129 int i, want_timeout;
1130 Window unused_root, unused_child;
1131 int unused_root_x, unused_root_y;
1132 unsigned int unused_mask;
1133 struct timeval tp;
1134
1135 #ifdef DEBUG_X
1136 const char *const eventnames[] =
1137 { /* mason - this matches my system */
1138 "",
1139 "",
1140 "KeyPress",
1141 "KeyRelease",
1142 "ButtonPress",
1143 "ButtonRelease",
1144 "MotionNotify",
1145 "EnterNotify",
1146 "LeaveNotify",
1147 "FocusIn",
1148 "FocusOut",
1149 "KeymapNotify",
1150 "Expose",
1151 "GraphicsExpose",
1152 "NoExpose",
1153 "VisibilityNotify",
1154 "CreateNotify",
1155 "DestroyNotify",
1156 "UnmapNotify",
1157 "MapNotify",
1158 "MapRequest",
1159 "ReparentNotify",
1160 "ConfigureNotify",
1161 "ConfigureRequest",
1162 "GravityNotify",
1163 "ResizeRequest",
1164 "CirculateNotify",
1165 "CirculateRequest",
1166 "PropertyNotify",
1167 "SelectionClear",
1168 "SelectionRequest",
1169 "SelectionNotify",
1170 "ColormapNotify",
1171 "ClientMessage",
1172 "MappingNotify"
1173 };
1174 struct tm *ltt;
1175 #endif
1176
1177 /*
1178 * check if we need to get the time for any timeouts
1179 */
1180
1181 for (i = NUM_TIMEOUTS; i--; )
1182 if (R->timeout[i].tv_sec) {
1183 want_timeout = 1;
1184 break;
1185 }
1186
1187 #ifndef DEBUG_X
1188 if (want_timeout)
1189 #endif
1190 (void)gettimeofday(&tp, NULL);
1191
1192 #ifdef DEBUG_X
1193 ltt = localtime(&(tp.tv_sec));
1194 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));
1195 #endif
1196
1197 /* X event timeouts */
1198 if (want_timeout)
1199 for (i = NUM_TIMEOUTS; i--; ) {
1200 if (R->timeout[i].tv_sec == 0)
1201 continue;
1202 if ((tp.tv_sec < R->timeout[i].tv_sec)
1203 || (tp.tv_sec == R->timeout[i].tv_sec
1204 && tp.tv_usec < R->timeout[i].tv_usec))
1205 continue;
1206 R->timeout[i].tv_sec = 0;
1207 switch(i) {
1208 case TIMEOUT_INCR:
1209 rxvt_print_error("data loss: timeout on INCR selection paste");
1210 R->selection_wait = Sel_none;
1211 break;
1212 default:
1213 break;
1214 }
1215 }
1216
1217 switch (ev->type) {
1218 case KeyPress:
1219 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1220 break;
1221
1222 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1223 case KeyRelease:
1224 {
1225 if (!(ev->xkey.state & ControlMask))
1226 R->mouse_slip_wheel_speed = 0;
1227 else {
1228 KeySym ks;
1229
1230 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1231 if (ks == XK_Control_L || ks == XK_Control_R)
1232 R->mouse_slip_wheel_speed = 0;
1233 }
1234 break;
1235 }
1236 #endif
1237
1238 case ButtonPress:
1239 rxvt_button_press(aR_ (XButtonEvent *)ev);
1240 break;
1241
1242 case ButtonRelease:
1243 rxvt_button_release(aR_ (XButtonEvent *)ev);
1244 break;
1245
1246 case ClientMessage:
1247 if (ev->xclient.format == 32
1248 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1249 exit(EXIT_SUCCESS);
1250 #ifdef OFFIX_DND
1251 /* OffiX Dnd (drag 'n' drop) protocol */
1252 if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1253 && (ev->xclient.data.l[0] == DndFile
1254 || ev->xclient.data.l[0] == DndDir
1255 || ev->xclient.data.l[0] == DndLink)) {
1256 /* Get Dnd data */
1257 Atom ActualType;
1258 int ActualFormat;
1259 unsigned char *data;
1260 unsigned long Size, RemainingBytes;
1261
1262 XGetWindowProperty(R->Xdisplay, Xroot,
1263 R->xa[XA_DNDSELECTION],
1264 0L, 1000000L,
1265 False, AnyPropertyType,
1266 &ActualType, &ActualFormat,
1267 &Size, &RemainingBytes,
1268 &data);
1269 XChangeProperty(R->Xdisplay, Xroot,
1270 XA_CUT_BUFFER0, XA_STRING,
1271 8, PropModeReplace,
1272 data, STRLEN(data));
1273 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1274 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1275 }
1276 #endif /* OFFIX_DND */
1277 break;
1278
1279 case MappingNotify:
1280 XRefreshKeyboardMapping(&(ev->xmapping));
1281 break;
1282
1283 /*
1284 * XXX: this is not the _current_ arrangement
1285 * Here's my conclusion:
1286 * If the window is completely unobscured, use bitblt's
1287 * to scroll. Even then, they're only used when doing partial
1288 * screen scrolling. When partially obscured, we have to fill
1289 * in the GraphicsExpose parts, which means that after each refresh,
1290 * we need to wait for the graphics expose or Noexpose events,
1291 * which ought to make things real slow!
1292 */
1293 case VisibilityNotify:
1294 switch (ev->xvisibility.state) {
1295 case VisibilityUnobscured:
1296 R->refresh_type = FAST_REFRESH;
1297 break;
1298 case VisibilityPartiallyObscured:
1299 R->refresh_type = SLOW_REFRESH;
1300 break;
1301 default:
1302 R->refresh_type = NO_REFRESH;
1303 break;
1304 }
1305 break;
1306
1307 case FocusIn:
1308 if (!R->TermWin.focus) {
1309 R->TermWin.focus = 1;
1310 R->want_refresh = 1;
1311 #ifdef USE_XIM
1312 if (R->Input_Context != NULL)
1313 XSetICFocus(R->Input_Context);
1314 #endif
1315 #ifdef CURSOR_BLINK
1316 if (R->Options & Opt_cursorBlink)
1317 R->blink_ev.start (NOW + BLINK_INTERVAL);
1318 #endif
1319 }
1320 break;
1321
1322 case FocusOut:
1323 if (R->TermWin.focus) {
1324 R->TermWin.focus = 0;
1325 R->want_refresh = 1;
1326 #ifdef USE_XIM
1327 if (R->Input_Context != NULL)
1328 XUnsetICFocus(R->Input_Context);
1329 #endif
1330 #ifdef CURSOR_BLINK
1331 if (R->Options & Opt_cursorBlink)
1332 R->blink_ev.stop ();
1333 R->hidden_cursor = 0;
1334 #endif
1335 }
1336 break;
1337
1338 case ConfigureNotify:
1339 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1340 int height, width;
1341
1342 do { /* Wrap lots of configures into one */
1343 width = ev->xconfigure.width;
1344 height = ev->xconfigure.height;
1345 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1346 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1347 ConfigureNotify, ev));
1348 if (R->szHint.width != width || R->szHint.height != height) {
1349 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1350 rxvt_resize_all_windows(aR_ (unsigned int)width,
1351 (unsigned int)height, 1);
1352 }
1353 #ifdef DEBUG_SIZE
1354 else {
1355 D_SIZE((stderr, "Size: Not resizing"));
1356 }
1357 #endif
1358 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1359 if (R->Options & Opt_transparent) {
1360 rxvt_check_our_parents(aR);
1361 if (R->am_transparent)
1362 R->want_full_refresh = 1;
1363 }
1364 #endif
1365 }
1366 break;
1367
1368 case SelectionClear:
1369 rxvt_selection_clear(aR);
1370 break;
1371
1372 case SelectionNotify:
1373 if (R->selection_wait == Sel_normal)
1374 rxvt_selection_paste(aR_ ev->xselection.requestor,
1375 ev->xselection.property, True);
1376 break;
1377
1378 case SelectionRequest:
1379 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1380 break;
1381
1382 case UnmapNotify:
1383 R->TermWin.mapped = 0;
1384 break;
1385
1386 case MapNotify:
1387 R->TermWin.mapped = 1;
1388 break;
1389
1390 case PropertyNotify:
1391 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1392 if (ev->xproperty.state == PropertyNewValue)
1393 rxvt_selection_property(aR_ ev->xproperty.window,
1394 ev->xproperty.atom);
1395 break;
1396 }
1397 #ifdef TRANSPARENT
1398 /*
1399 * if user used some Esetroot compatible prog to set the root bg,
1400 * use the property to determine the pixmap. We use it later on.
1401 */
1402 if (R->xa[XA_XROOTPMAPID] == 0)
1403 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1404 "_XROOTPMAP_ID", False);
1405 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1406 break;
1407 /* FALLTHROUGH */
1408 case ReparentNotify:
1409 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1410 if (R->am_transparent)
1411 R->want_full_refresh = 1;
1412 }
1413 #endif /* TRANSPARENT */
1414 break;
1415
1416 case GraphicsExpose:
1417 case Expose:
1418 if (ev->xany.window == R->TermWin.vt) {
1419 #ifdef NO_SLOW_LINK_SUPPORT
1420 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1421 ev->xexpose.width, ev->xexpose.height, False);
1422 #else
1423 // don't understand this, so commented it out
1424 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1425 ev->xexpose.width, ev->xexpose.height, False);
1426 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1427 // ev->xexpose.width, R->TermWin.height, False);
1428 #endif
1429 R->want_refresh = 1;
1430 } else {
1431 XEvent unused_xevent;
1432
1433 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1434 Expose,
1435 &unused_xevent)) ;
1436 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1437 GraphicsExpose,
1438 &unused_xevent)) ;
1439 if (isScrollbarWindow(ev->xany.window)) {
1440 scrollbar_setIdle();
1441 rxvt_scrollbar_show(aR_ 0);
1442 }
1443 #ifdef MENUBAR
1444 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1445 rxvt_menubar_expose(aR);
1446 #endif
1447 #ifdef RXVT_GRAPHICS
1448 rxvt_Gr_expose(aR_ ev->xany.window);
1449 #endif
1450 }
1451 break;
1452
1453 case MotionNotify:
1454 #ifdef POINTER_BLANK
1455 if (R->hidden_pointer)
1456 R->pointer_unblank ();
1457 #endif
1458 #if MENUBAR
1459 if (isMenuBarWindow(ev->xany.window)) {
1460 rxvt_menubar_control(aR_ &(ev->xbutton));
1461 break;
1462 }
1463 #endif
1464 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1465 break;
1466
1467 if (ev->xany.window == R->TermWin.vt) {
1468 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1469 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1470 MotionNotify, ev)) ;
1471 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1472 &unused_root, &unused_child,
1473 &unused_root_x, &unused_root_y,
1474 &(ev->xbutton.x), &(ev->xbutton.y),
1475 &unused_mask);
1476 #ifdef MOUSE_THRESHOLD
1477 /* deal with a `jumpy' mouse */
1478 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1479 #endif
1480 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1481 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1482 #ifdef SELECTION_SCROLLING
1483 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1484 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1485 int dist;
1486
1487 R->pending_scroll_selection=1;
1488
1489 /* don't clobber the current delay if we are
1490 * already in the middle of scrolling.
1491 */
1492 if (R->scroll_selection_delay<=0)
1493 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1494
1495 /* save the event params so we can highlight
1496 * the selection in the pending-scroll loop
1497 */
1498 R->selection_save_x=ev->xbutton.x;
1499 R->selection_save_y=ev->xbutton.y;
1500 R->selection_save_state=
1501 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1502
1503 /* calc number of lines to scroll */
1504 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1505 R->scroll_selection_dir = UP;
1506 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1507 }
1508 else {
1509 R->scroll_selection_dir = DN;
1510 dist = ev->xbutton.y -
1511 (R->TermWin.int_bwidth + R->TermWin.height);
1512 }
1513 R->scroll_selection_lines=(Pixel2Height(dist)/
1514 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1515 MIN_IT(R->scroll_selection_lines,
1516 SELECTION_SCROLL_MAX_LINES);
1517 }
1518 else {
1519 /* we are within the text window, so we
1520 * shouldn't be scrolling
1521 */
1522 R->pending_scroll_selection = 0;
1523 }
1524 #endif
1525 #ifdef MOUSE_THRESHOLD
1526 }
1527 #endif
1528 }
1529 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1530 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1531 MotionNotify, ev)) ;
1532 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1533 &unused_root, &unused_child,
1534 &unused_root_x, &unused_root_y,
1535 &(ev->xbutton.x), &(ev->xbutton.y),
1536 &unused_mask);
1537 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1538 scrollbar_size());
1539 rxvt_scr_refresh(aR_ R->refresh_type);
1540 R->refresh_limit = 0;
1541 rxvt_scrollbar_show(aR_ 1);
1542 }
1543 break;
1544 }
1545 }
1546
1547 /* INTPROTO */
1548 void
1549 rxvt_button_press(pR_ XButtonEvent *ev)
1550 {
1551 int reportmode = 0, clickintime;
1552
1553 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1554 if (!R->bypass_keystate)
1555 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1556 /*
1557 * VT window processing of button press
1558 */
1559 if (ev->window == R->TermWin.vt)
1560 {
1561 #if RXVT_GRAPHICS
1562 if (ev->subwindow != None)
1563 rxvt_Gr_ButtonPress(ev->x, ev->y);
1564 else
1565 #endif
1566 {
1567 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1568 if (reportmode)
1569 {
1570 /* mouse report from vt window */
1571 /* save the xbutton state (for ButtonRelease) */
1572 R->MEvent.state = ev->state;
1573 #ifdef MOUSE_REPORT_DOUBLECLICK
1574 if (ev->button == R->MEvent.button && clickintime)
1575 {
1576 /* same button, within alloted time */
1577 R->MEvent.clicks++;
1578 if (R->MEvent.clicks > 1)
1579 {
1580 /* only report double clicks */
1581 R->MEvent.clicks = 2;
1582 rxvt_mouse_report(aR_ ev);
1583
1584 /* don't report the release */
1585 R->MEvent.clicks = 0;
1586 R->MEvent.button = AnyButton;
1587 }
1588 }
1589 else
1590 {
1591 /* different button, or time expired */
1592 R->MEvent.clicks = 1;
1593 R->MEvent.button = ev->button;
1594 rxvt_mouse_report(aR_ ev);
1595 }
1596 #else
1597 R->MEvent.button = ev->button;
1598 rxvt_mouse_report(aR_ ev);
1599 #endif /* MOUSE_REPORT_DOUBLECLICK */
1600 }
1601 else
1602 {
1603 if (ev->button != R->MEvent.button)
1604 R->MEvent.clicks = 0;
1605 switch (ev->button)
1606 {
1607 case Button1:
1608 if (R->MEvent.button == Button1 && clickintime)
1609 R->MEvent.clicks++;
1610 else
1611 R->MEvent.clicks = 1;
1612 rxvt_selection_click(aR_ R->MEvent.clicks, ev->x, ev->y);
1613 R->MEvent.button = Button1;
1614 break;
1615
1616 case Button3:
1617 if (R->MEvent.button == Button3 && clickintime)
1618 rxvt_selection_rotate(aR_ ev->x, ev->y);
1619 else
1620 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1621 R->MEvent.button = Button3;
1622 break;
1623 }
1624 }
1625 R->MEvent.time = ev->time;
1626 return;
1627 }
1628 }
1629
1630 /*
1631 * Scrollbar window processing of button press
1632 */
1633 if (isScrollbarWindow(ev->window))
1634 {
1635 scrollbar_setIdle();
1636 /*
1637 * Rxvt-style scrollbar:
1638 * move up if mouse is above slider
1639 * move dn if mouse is below slider
1640 *
1641 * XTerm-style scrollbar:
1642 * Move display proportional to pointer location
1643 * pointer near top -> scroll one line
1644 * pointer near bot -> scroll full page
1645 */
1646 #ifndef NO_SCROLLBAR_REPORT
1647 if (reportmode) {
1648 /*
1649 * Mouse report disabled scrollbar:
1650 * arrow buttons - send up/down
1651 * click on scrollbar - send pageup/down
1652 */
1653 if ((R->scrollBar.style == R_SB_NEXT
1654 && scrollbarnext_upButton(ev->y))
1655 || (R->scrollBar.style == R_SB_RXVT
1656 && scrollbarrxvt_upButton(ev->y)))
1657 rxvt_tt_printf(aR_ "\033[A");
1658 else if ((R->scrollBar.style == R_SB_NEXT
1659 && scrollbarnext_dnButton(ev->y))
1660 || (R->scrollBar.style == R_SB_RXVT
1661 && scrollbarrxvt_dnButton(ev->y)))
1662 rxvt_tt_printf(aR_ "\033[B");
1663 else
1664 switch (ev->button) {
1665 case Button2:
1666 rxvt_tt_printf(aR_ "\014");
1667 break;
1668 case Button1:
1669 rxvt_tt_printf(aR_ "\033[6~");
1670 break;
1671 case Button3:
1672 rxvt_tt_printf(aR_ "\033[5~");
1673 break;
1674 }
1675 }
1676 else
1677 #endif /* NO_SCROLLBAR_REPORT */
1678 {
1679 char upordown = 0;
1680
1681 if (R->scrollBar.style == R_SB_NEXT) {
1682 if (scrollbarnext_upButton(ev->y))
1683 upordown = -1; /* up */
1684 else if (scrollbarnext_dnButton(ev->y))
1685 upordown = 1; /* down */
1686 } else if (R->scrollBar.style == R_SB_RXVT) {
1687 if (scrollbarrxvt_upButton(ev->y))
1688 upordown = -1; /* up */
1689 else if (scrollbarrxvt_dnButton(ev->y))
1690 upordown = 1; /* down */
1691 }
1692 if (upordown) {
1693 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1694 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1695 #endif
1696 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1697 if (upordown < 0)
1698 scrollbar_setUp();
1699 else
1700 scrollbar_setDn();
1701 }
1702 } else
1703 switch (ev->button) {
1704 case Button2:
1705 switch (R->scrollbar_align) {
1706 case R_SB_ALIGN_TOP:
1707 R->csrO = 0;
1708 break;
1709 case R_SB_ALIGN_CENTRE:
1710 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1711 break;
1712 case R_SB_ALIGN_BOTTOM:
1713 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1714 break;
1715 }
1716 if (R->scrollBar.style == R_SB_XTERM
1717 || scrollbar_above_slider(ev->y)
1718 || scrollbar_below_slider(ev->y))
1719 rxvt_scr_move_to(aR_
1720 scrollbar_position(ev->y) - R->csrO,
1721 scrollbar_size());
1722 scrollbar_setMotion();
1723 break;
1724
1725 case Button1:
1726 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1727 R->csrO = ev->y - R->scrollBar.top;
1728 /* FALLTHROUGH */
1729
1730 case Button3:
1731 if (R->scrollBar.style != R_SB_XTERM) {
1732 if (scrollbar_above_slider(ev->y))
1733 # ifdef RXVT_SCROLL_FULL
1734 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1735 # else
1736 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1737 # endif
1738 else if (scrollbar_below_slider(ev->y))
1739 # ifdef RXVT_SCROLL_FULL
1740 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1741 # else
1742 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1743 # endif
1744 else
1745 scrollbar_setMotion();
1746 } else {
1747 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1748 (R->TermWin.nrow
1749 * scrollbar_position(ev->y)
1750 / scrollbar_size()));
1751 }
1752 break;
1753 }
1754 }
1755 return;
1756 }
1757 #if MENUBAR
1758 /*
1759 * Menubar window processing of button press
1760 */
1761 if (isMenuBarWindow(ev->window))
1762 rxvt_menubar_control(aR_ ev);
1763 #endif
1764 }
1765
1766 /* INTPROTO */
1767 void
1768 rxvt_button_release(pR_ XButtonEvent *ev)
1769 {
1770 int reportmode = 0;
1771
1772 R->csrO = 0; /* reset csr Offset */
1773 if (!R->bypass_keystate)
1774 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1775
1776 if (scrollbar_isUpDn()) {
1777 scrollbar_setIdle();
1778 rxvt_scrollbar_show(aR_ 0);
1779 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1780 R->refresh_type &= ~SMOOTH_REFRESH;
1781 #endif
1782 }
1783 #ifdef SELECTION_SCROLLING
1784 R->pending_scroll_selection=0;
1785 #endif
1786 if (ev->window == R->TermWin.vt)
1787 {
1788 #ifdef RXVT_GRAPHICS
1789 if (ev->subwindow != None)
1790 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1791 else
1792 #endif
1793 {
1794 if (reportmode)
1795 {
1796 /* mouse report from vt window */
1797 /* don't report release of wheel "buttons" */
1798 if (ev->button >= 4)
1799 return;
1800 #ifdef MOUSE_REPORT_DOUBLECLICK
1801 /* only report the release of 'slow' single clicks */
1802 if (R->MEvent.button != AnyButton
1803 && (ev->button != R->MEvent.button
1804 || (ev->time - R->MEvent.time
1805 > MULTICLICK_TIME / 2)))
1806 {
1807 R->MEvent.clicks = 0;
1808 R->MEvent.button = AnyButton;
1809 rxvt_mouse_report(aR_ ev);
1810 }
1811 #else /* MOUSE_REPORT_DOUBLECLICK */
1812 R->MEvent.button = AnyButton;
1813 rxvt_mouse_report(aR_ ev);
1814 #endif /* MOUSE_REPORT_DOUBLECLICK */
1815 return;
1816 }
1817 /*
1818 * dumb hack to compensate for the failure of click-and-drag
1819 * when overriding mouse reporting
1820 */
1821 if (R->PrivateModes & PrivMode_mouse_report
1822 && R->bypass_keystate
1823 && ev->button == Button1 && R->MEvent.clicks <= 1)
1824 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1825
1826 switch (ev->button) {
1827 case Button1:
1828 case Button3:
1829 rxvt_selection_make(aR_ ev->time);
1830 break;
1831 case Button2:
1832 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1833 break;
1834 #ifdef MOUSE_WHEEL
1835 case Button4:
1836 case Button5:
1837 {
1838 int i, v;
1839
1840 v = (ev->button == Button4) ? UP : DN;
1841 if (ev->state & ShiftMask)
1842 i = 1;
1843 else if ((R->Options & Opt_mouseWheelScrollPage))
1844 i = R->TermWin.nrow - 1;
1845 else
1846 i = 5;
1847 # ifdef MOUSE_SLIP_WHEELING
1848 if (ev->state & ControlMask)
1849 {
1850 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1851 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1852 }
1853 # endif
1854 # ifdef JUMP_MOUSE_WHEEL
1855 rxvt_scr_page(aR_ v, i);
1856 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1857 rxvt_scrollbar_show(aR_ 1);
1858 # else
1859 for (; i--;)
1860 {
1861 rxvt_scr_page(aR_ v, 1);
1862 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1863 rxvt_scrollbar_show(aR_ 1);
1864 }
1865 # endif
1866 }
1867 break;
1868 #endif
1869 }
1870 }
1871 }
1872 #ifdef MENUBAR
1873 else if (isMenuBarWindow(ev->window))
1874 rxvt_menubar_control(aR_ ev);
1875 #endif
1876 }
1877
1878
1879 #ifdef TRANSPARENT
1880 /*
1881 * Check our parents are still who we think they are.
1882 * Do transparency updates if required
1883 */
1884 /* EXTPROTO */
1885 int
1886 rxvt_check_our_parents(pR)
1887 {
1888 int i, pchanged, aformat, have_pixmap, rootdepth;
1889 unsigned long nitems, bytes_after;
1890 Atom atype;
1891 unsigned char *prop = NULL;
1892 Window root, oldp, *list;
1893 Pixmap rootpixmap = None;
1894 XWindowAttributes wattr, wrootattr;
1895
1896 pchanged = 0;
1897
1898 if (!(R->Options & Opt_transparent))
1899 return pchanged; /* Don't try any more */
1900
1901 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1902 rootdepth = wrootattr.depth;
1903
1904 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1905 if (rootdepth != wattr.depth) {
1906 if (R->am_transparent) {
1907 pchanged = 1;
1908 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1909 R->PixColors[Color_bg]);
1910 R->am_transparent = R->am_pixmap_trans = 0;
1911 }
1912 return pchanged; /* Don't try any more */
1913 }
1914
1915 /* Get all X ops out of the queue so that our information is up-to-date. */
1916 XSync(R->Xdisplay, False);
1917
1918 /*
1919 * Make the frame window set by the window manager have
1920 * the root background. Some window managers put multiple nested frame
1921 * windows for each client, so we have to take care about that.
1922 */
1923 i = (R->xa[XA_XROOTPMAPID] != 0
1924 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1925 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1926 &nitems, &bytes_after, &prop) == Success));
1927 if (!i || prop == NULL)
1928 have_pixmap = 0;
1929 else {
1930 have_pixmap = 1;
1931 rootpixmap = *((Pixmap *)prop);
1932 XFree(prop);
1933 }
1934 if (have_pixmap) {
1935 /*
1936 * Copy Xroot pixmap transparency
1937 */
1938 int sx, sy, nx, ny;
1939 unsigned int nw, nh;
1940 Window cr;
1941 XImage *image;
1942 GC gc;
1943 XGCValues gcvalue;
1944
1945 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1946 0, 0, &sx, &sy, &cr);
1947 nw = (unsigned int)R->szHint.width;
1948 nh = (unsigned int)R->szHint.height;
1949 nx = ny = 0;
1950 if (sx < 0) {
1951 nw += sx;
1952 nx = -sx;
1953 sx = 0;
1954 }
1955 if (sy < 0) {
1956 nh += sy;
1957 ny = -sy;
1958 sy = 0;
1959 }
1960 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1961 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1962 R->allowedxerror = -1;
1963 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1964 ZPixmap);
1965 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1966 /* XXX: may need a delay here? */
1967 R->allowedxerror = 0;
1968 if (image == NULL) {
1969 if (R->am_transparent && R->am_pixmap_trans) {
1970 pchanged = 1;
1971 if (R->TermWin.pixmap != None) {
1972 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1973 R->TermWin.pixmap = None;
1974 }
1975 }
1976 R->am_pixmap_trans = 0;
1977 } else {
1978 if (R->TermWin.pixmap != None)
1979 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1980 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1981 (unsigned int)R->szHint.width,
1982 (unsigned int)R->szHint.height,
1983 (unsigned int)image->depth);
1984 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1985 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1986 nx, ny, (unsigned int)image->width,
1987 (unsigned int)image->height);
1988 XFreeGC(R->Xdisplay, gc);
1989 XDestroyImage(image);
1990 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
1991 R->TermWin.pixmap);
1992 if (!R->am_transparent || !R->am_pixmap_trans)
1993 pchanged = 1;
1994 R->am_transparent = R->am_pixmap_trans = 1;
1995 }
1996 }
1997 if (!R->am_pixmap_trans) {
1998 unsigned int n;
1999 /*
2000 * InheritPixmap transparency
2001 */
2002 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
2003 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
2004 i++) {
2005 oldp = R->TermWin.parent[i];
2006 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2007 &R->TermWin.parent[i], &list, &n);
2008 XFree(list);
2009 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2010 if (R->TermWin.parent[i] == Xroot) {
2011 if (oldp != None)
2012 pchanged = 1;
2013 break;
2014 }
2015 if (oldp != R->TermWin.parent[i])
2016 pchanged = 1;
2017 }
2018 n = 0;
2019 if (pchanged) {
2020 for (; n < (unsigned int)i; n++) {
2021 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2022 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2023 if (wattr.depth != rootdepth || wattr.class == InputOnly) {
2024 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2025 break;
2026 }
2027 }
2028 }
2029 if (n > (int)(sizeof(R->TermWin.parent)
2030 / sizeof(R->TermWin.parent[0]))) {
2031 D_X((stderr, "InheritPixmap Turning off"));
2032 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2033 R->PixColors[Color_fg]);
2034 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2035 R->PixColors[Color_bg]);
2036 R->am_transparent = 0;
2037 /* XXX: also turn off Opt_transparent? */
2038 } else {
2039 /* wait (an arbitrary period) for the WM to do its thing
2040 * needed for fvwm2.2.2 (and before?) */
2041 # ifdef HAVE_NANOSLEEP
2042 struct timespec rqt;
2043
2044 rqt.tv_sec = 1;
2045 rqt.tv_nsec = 0;
2046 nanosleep(&rqt, NULL);
2047 # else
2048 sleep(1);
2049 # endif
2050 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2051 for (n = 0; n < (unsigned int)i; n++)
2052 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2053 ParentRelative);
2054 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2055 ParentRelative);
2056 R->am_transparent = 1;
2057 }
2058 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2059 R->TermWin.parent[i] = None;
2060 }
2061 return pchanged;
2062 }
2063 #endif
2064
2065 /*}}} */
2066
2067 /*{{{ print pipe */
2068 /*----------------------------------------------------------------------*/
2069 #ifdef PRINTPIPE
2070 /* EXTPROTO */
2071 FILE *
2072 rxvt_popen_printer(pR)
2073 {
2074 FILE *stream = popen(R->rs[Rs_print_pipe], "w");
2075
2076 if (stream == NULL)
2077 rxvt_print_error("can't open printer pipe");
2078 return stream;
2079 }
2080
2081 /* EXTPROTO */
2082 int
2083 rxvt_pclose_printer(FILE *stream)
2084 {
2085 fflush(stream);
2086 /* pclose() reported not to work on SunOS 4.1.3 */
2087 # if defined (__sun__) /* TODO: RESOLVE THIS */
2088 /* pclose works provided SIGCHLD handler uses waitpid */
2089 return pclose(stream); /* return fclose (stream); */
2090 # else
2091 return pclose(stream);
2092 # endif
2093 }
2094
2095 /*
2096 * simulate attached vt100 printer
2097 */
2098 /* INTPROTO */
2099 void
2100 rxvt_process_print_pipe(pR)
2101 {
2102 int done;
2103 FILE *fd;
2104
2105 if ((fd = rxvt_popen_printer(aR)) == NULL)
2106 return;
2107
2108 /*
2109 * Send all input to the printer until either ESC[4i or ESC[?4i
2110 * is received.
2111 */
2112 for (done = 0; !done;) {
2113 unsigned char buf[8];
2114 unsigned char ch;
2115 unsigned int i, len;
2116
2117 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2118 if (putc(ch, fd) == EOF)
2119 break; /* done = 1 */
2120 } else {
2121 len = 0;
2122 buf[len++] = ch;
2123
2124 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2125 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2126 buf[len++] = '?';
2127 ch = rxvt_cmd_getc(aR);
2128 }
2129 if ((buf[len++] = ch) == '4') {
2130 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2131 break; /* done = 1 */
2132 }
2133 }
2134 for (i = 0; i < len; i++)
2135 if (putc(buf[i], fd) == EOF) {
2136 done = 1;
2137 break;
2138 }
2139 }
2140 }
2141 rxvt_pclose_printer(fd);
2142 }
2143 #endif /* PRINTPIPE */
2144 /*}}} */
2145
2146 /* *INDENT-OFF* */
2147 enum {
2148 C1_40 = 0x40,
2149 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2150 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2151 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2152 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2153 };
2154 /* *INDENT-ON* */
2155
2156 /*{{{ process non-printing single characters */
2157 /* INTPROTO */
2158 void
2159 rxvt_process_nonprinting(pR_ unsigned char ch)
2160 {
2161 switch (ch) {
2162 case C0_ENQ: /* terminal Status */
2163 if (R->rs[Rs_answerbackstring])
2164 rxvt_tt_write(aR_
2165 (const unsigned char *)R->rs[Rs_answerbackstring],
2166 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2167 else
2168 rxvt_tt_write(aR_ (unsigned char *)VT100_ANS,
2169 (unsigned int)STRLEN(VT100_ANS));
2170 break;
2171 case C0_BEL: /* bell */
2172 rxvt_scr_bell(aR);
2173 break;
2174 case C0_BS: /* backspace */
2175 rxvt_scr_backspace(aR);
2176 break;
2177 case C0_HT: /* tab */
2178 rxvt_scr_tab(aR_ 1);
2179 break;
2180 case C0_CR: /* carriage return */
2181 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2182 break;
2183 case C0_VT: /* vertical tab, form feed */
2184 case C0_FF:
2185 case C0_LF: /* line feed */
2186 rxvt_scr_index(aR_ UP);
2187 break;
2188 case C0_SO: /* shift out - acs */
2189 rxvt_scr_charset_choose(aR_ 1);
2190 break;
2191 case C0_SI: /* shift in - acs */
2192 rxvt_scr_charset_choose(aR_ 0);
2193 break;
2194 }
2195 }
2196 /*}}} */
2197
2198
2199 /*{{{ process VT52 escape sequences */
2200 /* INTPROTO */
2201 void
2202 rxvt_process_escape_vt52(pR_ unsigned char ch)
2203 {
2204 int row, col;
2205
2206 switch (ch) {
2207 case 'A': /* cursor up */
2208 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2209 break;
2210 case 'B': /* cursor down */
2211 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2212 break;
2213 case 'C': /* cursor right */
2214 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2215 break;
2216 case 'D': /* cursor left */
2217 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2218 break;
2219 case 'H': /* cursor home */
2220 rxvt_scr_gotorc(aR_ 0, 0, 0);
2221 break;
2222 case 'I': /* cursor up and scroll down if needed */
2223 rxvt_scr_index(aR_ DN);
2224 break;
2225 case 'J': /* erase to end of screen */
2226 rxvt_scr_erase_screen(aR_ 0);
2227 break;
2228 case 'K': /* erase to end of line */
2229 rxvt_scr_erase_line(aR_ 0);
2230 break;
2231 case 'Y': /* move to specified row and col */
2232 /* full command is 'ESC Y row col' where row and col
2233 * are encoded by adding 32 and sending the ascii
2234 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2235 * etc. */
2236 row = rxvt_cmd_getc(aR) - ' ';
2237 col = rxvt_cmd_getc(aR) - ' ';
2238 rxvt_scr_gotorc(aR_ row, col, 0);
2239 break;
2240 case 'Z': /* identify the terminal type */
2241 rxvt_tt_printf(aR_ "\033/Z"); /* I am a VT100 emulating a VT52 */
2242 break;
2243 case '<': /* turn off VT52 mode */
2244 PrivMode(0, PrivMode_vt52);
2245 break;
2246 case 'F': /* use special graphics character set */
2247 case 'G': /* use regular character set */
2248 /* unimplemented */
2249 break;
2250 case '=': /* use alternate keypad mode */
2251 case '>': /* use regular keypad mode */
2252 /* unimplemented */
2253 break;
2254 }
2255 }
2256 /*}}} */
2257
2258
2259 /*{{{ process escape sequences */
2260 /* INTPROTO */
2261 void
2262 rxvt_process_escape_seq(pR)
2263 {
2264 unsigned char ch = rxvt_cmd_getc(aR);
2265
2266 if (R->PrivateModes & PrivMode_vt52) {
2267 rxvt_process_escape_vt52(aR_ ch);
2268 return;
2269 }
2270
2271 switch (ch) {
2272 /* case 1: do_tek_mode (); break; */
2273 case '#':
2274 if (rxvt_cmd_getc(aR) == '8')
2275 rxvt_scr_E(aR);
2276 break;
2277 case '(':
2278 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2279 break;
2280 case ')':
2281 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2282 break;
2283 case '*':
2284 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2285 break;
2286 case '+':
2287 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2288 break;
2289 #ifdef MULTICHAR_SET
2290 case '$':
2291 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2292 break;
2293 #endif
2294 #ifndef NO_FRILLS
2295 case '6':
2296 rxvt_scr_backindex(aR);
2297 break;
2298 #endif
2299 case '7':
2300 rxvt_scr_cursor(aR_ SAVE);
2301 break;
2302 case '8':
2303 rxvt_scr_cursor(aR_ RESTORE);
2304 break;
2305 #ifndef NO_FRILLS
2306 case '9':
2307 rxvt_scr_forwardindex(aR);
2308 break;
2309 #endif
2310 case '=':
2311 case '>':
2312 PrivMode((ch == '='), PrivMode_aplKP);
2313 break;
2314
2315 case C1_40:
2316 rxvt_cmd_getc(aR);
2317 break;
2318 case C1_44:
2319 rxvt_scr_index(aR_ UP);
2320 break;
2321
2322 /* 8.3.87: NEXT LINE */
2323 case C1_NEL: /* ESC E */
2324 {
2325 uint32_t nlcr[] = { '\n', '\r' };
2326 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2327 }
2328 break;
2329
2330 /* kidnapped escape sequence: Should be 8.3.48 */
2331 case C1_ESA: /* ESC G */
2332 rxvt_process_graphics(aR);
2333 break;
2334
2335 /* 8.3.63: CHARACTER TABULATION SET */
2336 case C1_HTS: /* ESC H */
2337 rxvt_scr_set_tab(aR_ 1);
2338 break;
2339
2340 /* 8.3.105: REVERSE LINE FEED */
2341 case C1_RI: /* ESC M */
2342 rxvt_scr_index(aR_ DN);
2343 break;
2344
2345 /* 8.3.142: SINGLE-SHIFT TWO */
2346 /*case C1_SS2: scr_single_shift (2); break; */
2347
2348 /* 8.3.143: SINGLE-SHIFT THREE */
2349 /*case C1_SS3: scr_single_shift (3); break; */
2350
2351 /* 8.3.27: DEVICE CONTROL STRING */
2352 case C1_DCS: /* ESC P */
2353 rxvt_process_dcs_seq(aR);
2354 break;
2355
2356 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2357 case C1_SCI: /* ESC Z */
2358 rxvt_tt_write(aR_ (const unsigned char *)ESCZ_ANSWER,
2359 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2360 break; /* steal obsolete ESC [ c */
2361
2362 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2363 case C1_CSI: /* ESC [ */
2364 rxvt_process_csi_seq(aR);
2365 break;
2366
2367 /* 8.3.90: OPERATING SYSTEM COMMAND */
2368 case C1_OSC: /* ESC ] */
2369 rxvt_process_osc_seq(aR);
2370 break;
2371
2372 /* 8.3.106: RESET TO INITIAL STATE */
2373 case 'c':
2374 rxvt_scr_poweron(aR);
2375 rxvt_scrollbar_show(aR_ 1);
2376 break;
2377
2378 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2379 case 'n':
2380 rxvt_scr_charset_choose(aR_ 2);
2381 break;
2382
2383 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2384 case 'o':
2385 rxvt_scr_charset_choose(aR_ 3);
2386 break;
2387 }
2388 }
2389 /*}}} */
2390
2391 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2392 /* *INDENT-OFF* */
2393 enum {
2394 CSI_ICH = 0x40,
2395 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2396 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2397 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2398 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2399 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2400 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2401 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2402 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2403 };
2404
2405 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2406 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2407 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2408 #define get_byte_array_bit(array, bit) \
2409 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2410
2411 const unsigned char csi_defaults[] = {
2412 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2413 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2414 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2415 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2416 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2417 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2418 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2419 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2420 };
2421 /* *INDENT-ON* */
2422
2423 /* INTPROTO */
2424 void
2425 rxvt_process_csi_seq(pR)
2426 {
2427 unsigned char ch, priv, i;
2428 unsigned int nargs, p;
2429 int n, ndef;
2430 int arg[ESC_ARGS];
2431
2432 for (nargs = ESC_ARGS; nargs > 0;)
2433 arg[--nargs] = 0;
2434
2435 priv = 0;
2436 ch = rxvt_cmd_getc(aR);
2437 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2438 priv = ch;
2439 ch = rxvt_cmd_getc(aR);
2440 }
2441 /* read any numerical arguments */
2442 for (n = -1; ch < CSI_ICH; ) {
2443 if (isdigit(ch)) {
2444 if (n < 0)
2445 n = ch - '0';
2446 else
2447 n = n * 10 + ch - '0';
2448 } else if (ch == ';') {
2449 if (nargs < ESC_ARGS)
2450 arg[nargs++] = n;
2451 n = -1;
2452 } else if (ch == '\b') {
2453 rxvt_scr_backspace(aR);
2454 } else if (ch == C0_ESC) {
2455 rxvt_process_escape_seq(aR);
2456 return;
2457 } else if (ch < ' ') {
2458 rxvt_process_nonprinting(aR_ ch);
2459 }
2460 ch = rxvt_cmd_getc(aR);
2461 }
2462
2463 if (ch > CSI_7F)
2464 return;
2465
2466 if (nargs < ESC_ARGS)
2467 arg[nargs++] = n;
2468
2469 i = ch - CSI_ICH;
2470 ndef = get_byte_array_bit(csi_defaults, i);
2471 for (p = 0; p < nargs; p++)
2472 if (arg[p] == -1)
2473 arg[p] = ndef;
2474
2475 #ifdef DEBUG_CMD
2476 fprintf(stderr, "CSI ");
2477 for (p = 0; p < nargs; p++)
2478 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2479 fprintf(stderr, "%c\n", ch);
2480 #endif
2481
2482 /*
2483 * private mode handling
2484 */
2485 if (priv) {
2486 switch (priv) {
2487 case '>':
2488 if (ch == CSI_DA) /* secondary device attributes */
2489 rxvt_tt_printf(aR_ "\033[>%d;%-.8s;0c", 'R', VSTRING);
2490 break;
2491 case '?':
2492 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2493 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2494 break;
2495 }
2496 return;
2497 }
2498
2499 switch (ch) {
2500 /*
2501 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2502 */
2503 #ifdef PRINTPIPE
2504 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2505 switch (arg[0]) {
2506 case 0: /* initiate transfer to primary aux device */
2507 rxvt_scr_printscreen(aR_ 0);
2508 break;
2509 case 5: /* start relay to primary aux device */
2510 rxvt_process_print_pipe(aR);
2511 break;
2512 }
2513 break;
2514 #endif
2515
2516 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2517 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2518 arg[0] = -arg[0];
2519 /* FALLTHROUGH */
2520 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2521 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2522 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2523 break;
2524
2525 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2526 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2527 #ifdef ISO6429
2528 arg[0] = -arg[0];
2529 #else /* emulate common DEC VTs */
2530 arg[0] = arg[0] ? -arg[0] : -1;
2531 #endif
2532 /* FALLTHROUGH */
2533 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2534 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2535 #ifdef ISO6429
2536 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2537 #else /* emulate common DEC VTs */
2538 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2539 #endif
2540 break;
2541
2542 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2543 arg[0] = -arg[0];
2544 /* FALLTHROUGH */
2545 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2546 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2547 break;
2548
2549 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2550 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2551 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2552 break;
2553
2554 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2555 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2556 break;
2557
2558 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2559 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2560 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2561 break;
2562
2563 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2564 arg[0] = -arg[0];
2565 /* FALLTHROUGH */
2566 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2567 rxvt_scr_tab(aR_ arg[0]);
2568 break;
2569
2570 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2571 rxvt_scr_erase_screen(aR_ arg[0]);
2572 break;
2573
2574 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2575 rxvt_scr_erase_line(aR_ arg[0]);
2576 break;
2577
2578 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2579 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2580 break;
2581
2582 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2583 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2584 break;
2585
2586 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2587 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2588 break;
2589
2590 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2591 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2592 break;
2593
2594 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2595 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2596 break;
2597
2598 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2599 arg[0] = -arg[0];
2600 /* FALLTHROUGH */
2601 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2602 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2603 break;
2604
2605 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2606 rxvt_tt_write(aR_ (const unsigned char *)VT100_ANS,
2607 (unsigned int)(sizeof(VT100_ANS) - 1));
2608 break;
2609
2610 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2611 rxvt_process_sgr_mode(aR_ nargs, arg);
2612 break;
2613
2614 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2615 switch (arg[0]) {
2616 case 5: /* DSR requested */
2617 rxvt_tt_printf(aR_ "\033[0n");
2618 break;
2619 case 6: /* CPR requested */
2620 rxvt_scr_report_position(aR);
2621 break;
2622 #if defined (ENABLE_DISPLAY_ANSWER)
2623 case 7: /* unofficial extension */
2624 rxvt_tt_printf(aR_ "%-.250s\n", R->rs[Rs_display_name]);
2625 break;
2626 #endif
2627 case 8: /* unofficial extension */
2628 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2629 break;
2630 }
2631 break;
2632
2633 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2634 switch (arg[0]) {
2635 case 0: /* char tab stop cleared at active position */
2636 rxvt_scr_set_tab(aR_ 0);
2637 break;
2638 /* case 1: */ /* line tab stop cleared in active line */
2639 /* case 2: */ /* char tab stops cleared in active line */
2640 case 3: /* all char tab stops are cleared */
2641 /* case 4: */ /* all line tab stops are cleared */
2642 case 5: /* all tab stops are cleared */
2643 rxvt_scr_set_tab(aR_ -1);
2644 break;
2645 }
2646 break;
2647
2648 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2649 switch (arg[0]) {
2650 case 0: /* char tab stop set at active position */
2651 rxvt_scr_set_tab(aR_ 1);
2652 break; /* = ESC H */
2653 /* case 1: */ /* line tab stop set at active line */
2654 case 2: /* char tab stop cleared at active position */
2655 rxvt_scr_set_tab(aR_ 0);
2656 break; /* = ESC [ 0 g */
2657 /* case 3: */ /* line tab stop cleared at active line */
2658 /* case 4: */ /* char tab stops cleared at active line */
2659 case 5: /* all char tab stops are cleared */
2660 rxvt_scr_set_tab(aR_ -1);
2661 break; /* = ESC [ 3 g */
2662 /* case 6: */ /* all line tab stops are cleared */
2663 }
2664 break;
2665
2666 case CSI_RM: /* 8.3.107: RESET MODE */
2667 if (arg[0] == 4)
2668 rxvt_scr_insert_mode(aR_ 0);
2669 break;
2670
2671 case CSI_SM: /* 8.3.126: SET MODE */
2672 if (arg[0] == 4)
2673 rxvt_scr_insert_mode(aR_ 1);
2674 break;
2675
2676 /*
2677 * PRIVATE USE beyond this point. All CSI_7? sequences here
2678 */
2679 case CSI_72: /* DECSTBM: set top and bottom margins */
2680 if (nargs == 1)
2681 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2682 else if (nargs == 0 || arg[0] >= arg[1])
2683 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2684 else
2685 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2686 break;
2687
2688 case CSI_73:
2689 rxvt_scr_cursor(aR_ SAVE);
2690 break;
2691 case CSI_75:
2692 rxvt_scr_cursor(aR_ RESTORE);
2693 break;
2694
2695 #ifndef NO_FRILLS
2696 case CSI_74:
2697 rxvt_process_window_ops(aR_ arg, nargs);
2698 break;
2699 #endif
2700
2701 case CSI_78: /* DECREQTPARM */
2702 if (arg[0] == 0 || arg[0] == 1)
2703 rxvt_tt_printf(aR_ "\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2704 /* FALLTHROUGH */
2705
2706 default:
2707 break;
2708 }
2709 }
2710 /*}}} */
2711
2712 #ifndef NO_FRILLS
2713 /* ARGSUSED */
2714 /* INTPROTO */
2715 void
2716 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2717 {
2718 int x, y;
2719 #if 0
2720 char *s;
2721 #endif
2722 XWindowAttributes wattr;
2723 Window wdummy;
2724
2725 if (nargs == 0)
2726 return;
2727 switch (args[0]) {
2728 /*
2729 * commands
2730 */
2731 case 1: /* deiconify window */
2732 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2733 break;
2734 case 2: /* iconify window */
2735 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2736 DefaultScreen(R->Xdisplay));
2737 break;
2738 case 3: /* set position (pixels) */
2739 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2740 break;
2741 case 4: /* set size (pixels) */
2742 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2743 break;
2744 case 5: /* raise window */
2745 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2746 break;
2747 case 6: /* lower window */
2748 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2749 break;
2750 case 7: /* refresh window */
2751 rxvt_scr_touch(aR_ True);
2752 break;
2753 case 8: /* set size (chars) */
2754 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2755 (unsigned int)(args[1] * R->TermWin.fheight));
2756 break;
2757 default:
2758 if (args[0] >= 24) /* set height (chars) */
2759 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2760 (unsigned int)(args[1] * R->TermWin.fheight));
2761 break;
2762 /*
2763 * reports - some output format copied from XTerm
2764 */
2765 case 11: /* report window state */
2766 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2767 rxvt_tt_printf(aR_ "\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2768 break;
2769 case 13: /* report window position */
2770 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2771 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2772 -wattr.border_width, -wattr.border_width,
2773 &x, &y, &wdummy);
2774 rxvt_tt_printf(aR_ "\033[3;%d;%dt", x, y);
2775 break;
2776 case 14: /* report window size (pixels) */
2777 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2778 rxvt_tt_printf(aR_ "\033[4;%d;%dt", wattr.height, wattr.width);
2779 break;
2780 case 18: /* report window size (chars) */
2781 rxvt_tt_printf(aR_ "\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2782 break;
2783 #if 0 /* XXX: currently disabled due to security concerns */
2784 case 20: /* report icon label */
2785 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2786 rxvt_tt_printf(aR_ "\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2787 break;
2788 case 21: /* report window title */
2789 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2790 rxvt_tt_printf(aR_ "\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2791 break;
2792 #endif
2793 }
2794 }
2795 #endif
2796
2797 /*----------------------------------------------------------------------*/
2798 /*
2799 * get input up until STRING TERMINATOR (or BEL)
2800 * ends_how is terminator used. returned input must be free()d
2801 */
2802 /* INTPROTO */
2803 unsigned char *
2804 rxvt_get_to_st(pR_ unsigned char *ends_how)
2805 {
2806 int seen_esc = 0; /* seen escape? */
2807 unsigned int n = 0;
2808 unsigned char *s;
2809 unsigned char ch, string[STRING_MAX];
2810
2811 for (; (ch = rxvt_cmd_getc(aR));) {
2812 if (ch == C0_BEL
2813 || ch == CHAR_ST
2814 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2815 break;
2816 if (ch == C0_ESC) {
2817 seen_esc = 1;
2818 continue;
2819 } else if (ch == '\t')
2820 ch = ' '; /* translate '\t' to space */
2821 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2822 return NULL; /* other control character - exit */
2823 if (n < sizeof(string) - 1)
2824 string[n++] = ch;
2825 seen_esc = 0;
2826 }
2827 string[n++] = '\0';
2828 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2829 return NULL;
2830 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2831 STRNCPY(s, string, n);
2832 return s;
2833 }
2834
2835 /*----------------------------------------------------------------------*/
2836 /*
2837 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2838 */
2839 /* INTPROTO */
2840 void
2841 rxvt_process_dcs_seq(pR)
2842 {
2843 unsigned char eh, *s;
2844 /*
2845 * Not handled yet
2846 */
2847 s = rxvt_get_to_st(aR_ &eh);
2848 if (s)
2849 free(s);
2850 return;
2851 }
2852
2853 /*----------------------------------------------------------------------*/
2854 /*
2855 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2856 */
2857 /* INTPROTO */
2858 void
2859 rxvt_process_osc_seq(pR)
2860 {
2861 unsigned char ch, eh, *s;
2862 int arg;
2863
2864 ch = rxvt_cmd_getc(aR);
2865 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2866 arg = arg * 10 + (ch - '0');
2867
2868 if (ch == ';') {
2869 s = rxvt_get_to_st(aR_ &eh);
2870 if (s) {
2871 /*
2872 * rxvt_menubar_dispatch() violates the constness of the string,
2873 * so do it here
2874 */
2875 if (arg == XTerm_Menu)
2876 #if 0 /* XXX: currently disabled due to security concerns */
2877 rxvt_menubar_dispatch(aR_ (char *)s);
2878 #else
2879 0;
2880 #endif
2881 else
2882 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2883 free(s);
2884 }
2885 }
2886 }
2887 /*
2888 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2889 * 0 = change iconName/title
2890 * 1 = change iconName
2891 * 2 = change title
2892 * 4 = change color
2893 * 12 = change text color
2894 * 13 = change mouse foreground color
2895 * 17 = change highlight character colour
2896 * 18 = change bold character color
2897 * 19 = change underlined character color
2898 * 46 = change logfile (not implemented)
2899 * 50 = change font
2900 *
2901 * rxvt extensions:
2902 * 10 = menu (may change in future)
2903 * 20 = bg pixmap
2904 * 39 = change default fg color
2905 * 49 = change default bg color
2906 * 55 = dump scrollback buffer and all of screen
2907 */
2908 /* EXTPROTO */
2909 void
2910 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2911 {
2912 int changed = 0;
2913 int color;
2914 char *buf, *name;
2915
2916 assert(str != NULL);
2917 switch (op) {
2918 case XTerm_name:
2919 rxvt_set_title(aR_ str);
2920 /* FALLTHROUGH */
2921 case XTerm_iconName:
2922 rxvt_set_iconName(aR_ str);
2923 break;
2924 case XTerm_title:
2925 rxvt_set_title(aR_ str);
2926 break;
2927 case XTerm_Color:
2928 for (buf = (char *)str; buf && *buf;) {
2929 if ((name = STRCHR(buf, ';')) == NULL)
2930 break;
2931 *name++ = '\0';
2932 color = atoi(buf);
2933 if (color < 0 || color >= TOTAL_COLORS)
2934 break;
2935 if ((buf = STRCHR(name, ';')) != NULL)
2936 *buf++ = '\0';
2937 rxvt_set_window_color(aR_ color + minCOLOR, name);
2938 }
2939 break;
2940 #ifndef NO_CURSORCOLOR
2941 case XTerm_Color_cursor:
2942 rxvt_set_window_color(aR_ Color_cursor, str);
2943 break;
2944 #endif
2945 case XTerm_Color_pointer:
2946 rxvt_set_window_color(aR_ Color_pointer, str);
2947 break;
2948 #ifndef NO_BOLD_UNDERLINE_REVERSE
2949 case XTerm_Color_BD:
2950 rxvt_set_window_color(aR_ Color_BD, str);
2951 break;
2952 case XTerm_Color_UL:
2953 rxvt_set_window_color(aR_ Color_UL, str);
2954 break;
2955 case XTerm_Color_RV:
2956 rxvt_set_window_color(aR_ Color_RV, str);
2957 break;
2958 #endif
2959
2960 case XTerm_Menu:
2961 /*
2962 * rxvt_menubar_dispatch() violates the constness of the string,
2963 * so DON'T do it here
2964 */
2965 break;
2966 case XTerm_Pixmap:
2967 if (*str != ';') {
2968 #if XPM_BACKGROUND
2969 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2970 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2971 #endif
2972 rxvt_scr_touch(aR_ True);
2973 }
2974 while ((str = STRCHR(str, ';')) != NULL) {
2975 str++;
2976 #if XPM_BACKGROUND
2977 changed += rxvt_scale_pixmap(aR_ str);
2978 #endif
2979 }
2980 if (changed) {
2981 #ifdef XPM_BACKGROUND
2982 rxvt_resize_pixmap(aR);
2983 #endif
2984 rxvt_scr_touch(aR_ True);
2985 }
2986 break;
2987
2988 case XTerm_restoreFG:
2989 rxvt_set_window_color(aR_ Color_fg, str);
2990 break;
2991 case XTerm_restoreBG:
2992 rxvt_set_window_color(aR_ Color_bg, str);
2993 break;
2994 case XTerm_logfile:
2995 break;
2996 case XTerm_font:
2997 rxvt_change_font(aR_ 0, str);
2998 break;
2999 #if 0
3000 case XTerm_dumpscreen: /* no error notices */
3001 {
3002 int fd;
3003 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
3004 rxvt_scr_dump(aR_ fd);
3005 close(fd);
3006 }
3007 }
3008 break;
3009 #endif
3010 }
3011 }
3012 /*----------------------------------------------------------------------*/
3013
3014 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
3015 /*
3016 * mode can only have the following values:
3017 * 'l' = low
3018 * 'h' = high
3019 * 's' = save
3020 * 'r' = restore
3021 * 't' = toggle
3022 * so no need for fancy checking
3023 */
3024 /* INTPROTO */
3025 int
3026 rxvt_privcases(pR_ int mode, unsigned long bit)
3027 {
3028 int state;
3029
3030 if (mode == 's') {
3031 R->SavedModes |= (R->PrivateModes & bit);
3032 return -1;
3033 } else {
3034 if (mode == 'r')
3035 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */
3036 else
3037 state = (mode == 't') ? !(R->PrivateModes & bit) : mode;
3038 PrivMode(state, bit);
3039 }
3040 return state;
3041 }
3042
3043 /* we're not using priv _yet_ */
3044 /* INTPROTO */
3045 void
3046 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3047 {
3048 unsigned int i, j;
3049 int state;
3050 static const struct {
3051 const int argval;
3052 const unsigned long bit;
3053 } argtopriv[] = {
3054 { 1, PrivMode_aplCUR },
3055 { 2, PrivMode_vt52 },
3056 { 3, PrivMode_132 },
3057 { 4, PrivMode_smoothScroll },
3058 { 5, PrivMode_rVideo },
3059 { 6, PrivMode_relOrigin },
3060 { 7, PrivMode_Autowrap },
3061 { 9, PrivMode_MouseX10 },
3062 #ifdef menuBar_esc
3063 { menuBar_esc, PrivMode_menuBar },
3064 #endif
3065 #ifdef scrollBar_esc
3066 { scrollBar_esc, PrivMode_scrollBar },
3067 #endif
3068 { 25, PrivMode_VisibleCursor },
3069 { 35, PrivMode_ShiftKeys },
3070 { 40, PrivMode_132OK },
3071 { 47, PrivMode_Screen },
3072 { 66, PrivMode_aplKP },
3073 #ifndef NO_BACKSPACE_KEY
3074 { 67, PrivMode_BackSpace },
3075 #endif
3076 { 1000, PrivMode_MouseX11 },
3077 { 1010, PrivMode_TtyOutputInh },
3078 { 1011, PrivMode_Keypress },
3079 { 1047, PrivMode_Screen },
3080 };
3081
3082 if (nargs == 0)
3083 return;
3084
3085 /* make lo/hi boolean */
3086 if (mode == 'l')
3087 mode = 0; /* reset */
3088 else if (mode == 'h')
3089 mode = 1; /* set */
3090
3091 for (i = 0; i < nargs; i++) {
3092 state = -1;
3093
3094 /* basic handling */
3095 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3096 if (argtopriv[j].argval == arg[i]) {
3097 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3098 break;
3099 }
3100
3101 /* extra handling for values with state unkept */
3102 if (state == -1)
3103 switch (arg[i]) {
3104 case 1048: /* alternative cursor save */
3105 if (mode == 0)
3106 rxvt_scr_cursor(aR_ RESTORE);
3107 else if (mode == 1)
3108 rxvt_scr_cursor(aR_ SAVE);
3109 /* FALLTHROUGH */
3110 default:
3111 continue; /* for(;i;) */
3112 }
3113
3114 /* extra handling for values with valid 0 or 1 state */
3115 switch (arg[i]) {
3116 /* case 1: - application cursor keys */
3117 case 2: /* VT52 mode */
3118 /* oddball mode. should be set regardless of set/reset
3119 * parameter. Return from VT52 mode with an ESC < from
3120 * within VT52 mode
3121 */
3122 PrivMode(1, PrivMode_vt52);
3123 break;
3124 case 3: /* 80/132 */
3125 if (R->PrivateModes & PrivMode_132OK)
3126 rxvt_set_widthheight(aR_
3127 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3128 (unsigned int)R->TermWin.height);
3129 break;
3130 case 4: /* smooth scrolling */
3131 if (state)
3132 R->Options &= ~Opt_jumpScroll;
3133 else
3134 R->Options |= Opt_jumpScroll;
3135 break;
3136 case 5: /* reverse video */
3137 rxvt_scr_rvideo_mode(aR_ state);
3138 break;
3139 case 6: /* relative/absolute origins */
3140 rxvt_scr_relative_origin(aR_ state);
3141 break;
3142 case 7: /* autowrap */
3143 rxvt_scr_autowrap(aR_ state);
3144 break;
3145 /* case 8: - auto repeat, can't do on a per window basis */
3146 case 9: /* X10 mouse reporting */
3147 if (state) /* orthogonal */
3148 R->PrivateModes &= ~(PrivMode_MouseX11);
3149 break;
3150 #ifdef menuBar_esc
3151 case menuBar_esc:
3152 #ifdef MENUBAR
3153 rxvt_map_menuBar(aR_ state);
3154 #endif
3155 break;
3156 #endif
3157 #ifdef scrollBar_esc
3158 case scrollBar_esc:
3159 if (rxvt_scrollbar_mapping(aR_ state)) {
3160 rxvt_resize_all_windows(aR_ 0, 0, 0);
3161 rxvt_scr_touch(aR_ True);
3162 }
3163 break;
3164 #endif
3165 case 25: /* visible/invisible cursor */
3166 rxvt_scr_cursor_visible(aR_ state);
3167 break;
3168 /* case 35: - shift keys */
3169 /* case 40: - 80 <--> 132 mode */
3170 case 47: /* secondary screen */
3171 rxvt_scr_change_screen(aR_ state);
3172 break;
3173 /* case 66: - application key pad */
3174 /* case 67: - backspace key */
3175 case 1000: /* X11 mouse reporting */
3176 if (state) /* orthogonal */
3177 R->PrivateModes &= ~(PrivMode_MouseX10);
3178 break;
3179 #if 0
3180 case 1001:
3181 break; /* X11 mouse highlighting */
3182 #endif
3183 case 1010: /* scroll to bottom on TTY output inhibit */
3184 if (state)
3185 R->Options &= ~Opt_scrollTtyOutput;
3186 else
3187 R->Options |= Opt_scrollTtyOutput;
3188 break;
3189 case 1011: /* scroll to bottom on key press */
3190 if (state)
3191 R->Options |= Opt_scrollTtyKeypress;
3192 else
3193 R->Options &= ~Opt_scrollTtyKeypress;
3194 break;
3195 case 1047: /* secondary screen w/ clearing */
3196 if (R->current_screen != PRIMARY)
3197 rxvt_scr_erase_screen(aR_ 2);
3198 rxvt_scr_change_screen(aR_ state);
3199 /* FALLTHROUGH */
3200 default:
3201 break;
3202 }
3203 }
3204 }
3205 /*}}} */
3206
3207 /*{{{ process sgr sequences */
3208 /* INTPROTO */
3209 void
3210 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3211 {
3212 unsigned int i;
3213 short rendset;
3214 int rendstyle;
3215
3216 if (nargs == 0) {
3217 rxvt_scr_rendition(aR_ 0, ~RS_None);
3218 return;
3219 }
3220 for (i = 0; i < nargs; i++) {
3221 rendset = -1;
3222 switch (arg[i]) {
3223 case 0:
3224 rendset = 0, rendstyle = ~RS_None;
3225 break;
3226 case 1:
3227 rendset = 1, rendstyle = RS_Bold;
3228 break;
3229 case 4:
3230 rendset = 1, rendstyle = RS_Uline;
3231 break;
3232 case 5:
3233 rendset = 1, rendstyle = RS_Blink;
3234 break;
3235 case 7:
3236 rendset = 1, rendstyle = RS_RVid;
3237 break;
3238 case 22:
3239 rendset = 0, rendstyle = RS_Bold;
3240 break;
3241 case 24:
3242 rendset = 0, rendstyle = RS_Uline;
3243 break;
3244 case 25:
3245 rendset = 0, rendstyle = RS_Blink;
3246 break;
3247 case 27:
3248 rendset = 0, rendstyle = RS_RVid;
3249 break;
3250 }
3251 if (rendset != -1) {
3252 rxvt_scr_rendition(aR_ rendset, rendstyle);
3253 continue; /* for(;i;) */
3254 }
3255
3256 switch (arg[i]) {
3257 case 30:
3258 case 31: /* set fg color */
3259 case 32:
3260 case 33:
3261 case 34:
3262 case 35:
3263 case 36:
3264 case 37:
3265 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3266 Color_fg);
3267 break;
3268 #ifdef TTY_256COLOR
3269 case 38:
3270 if (nargs > i + 2 && arg[i + 1] == 5) {
3271 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3272 Color_fg);
3273 i += 2;
3274 }
3275 break;
3276 #endif
3277 case 39: /* default fg */
3278 rxvt_scr_color(aR_ Color_fg, Color_fg);
3279 break;
3280
3281 case 40:
3282 case 41: /* set bg color */
3283 case 42:
3284 case 43:
3285 case 44:
3286 case 45:
3287 case 46:
3288 case 47:
3289 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3290 Color_bg);
3291 break;
3292 #ifdef TTY_256COLOR
3293 case 48:
3294 if (nargs > i + 2 && arg[i + 1] == 5) {
3295 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3296 Color_bg);
3297 i += 2;
3298 }
3299 break;
3300 #endif
3301 case 49: /* default bg */
3302 rxvt_scr_color(aR_ Color_bg, Color_bg);
3303 break;
3304
3305 #ifndef NO_BRIGHTCOLOR
3306 case 90:
3307 case 91: /* set bright fg color */
3308 case 92:
3309 case 93:
3310 case 94:
3311 case 95:
3312 case 96:
3313 case 97:
3314 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3315 Color_fg);
3316 break;
3317 case 100:
3318 case 101: /* set bright bg color */
3319 case 102:
3320 case 103:
3321 case 104:
3322 case 105:
3323 case 106:
3324 case 107:
3325 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3326 Color_bg);
3327 break;
3328 #endif
3329 }
3330 }
3331 }
3332 /*}}} */
3333
3334 /*{{{ process Rob Nation's own graphics mode sequences */
3335 /* INTPROTO */
3336 void
3337 rxvt_process_graphics(pR)
3338 {
3339 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3340
3341 #ifndef RXVT_GRAPHICS
3342 if (cmd == 'Q') { /* query graphics */
3343 rxvt_tt_printf(aR_ "\033G0\n"); /* no graphics */
3344 return;
3345 }
3346 /* swallow other graphics sequences until terminating ':' */
3347 do
3348 ch = rxvt_cmd_getc(aR);
3349 while (ch != ':');
3350 #else
3351 unsigned int nargs;
3352 int args[NGRX_PTS];
3353 unsigned char *text = NULL;
3354
3355 if (cmd == 'Q') { /* query graphics */
3356 rxvt_tt_printf(aR_ "\033G1\n"); /* yes, graphics (color) */
3357 return;
3358 }
3359 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3360 int neg;
3361
3362 ch = rxvt_cmd_getc(aR);
3363 neg = (ch == '-');
3364 if (neg || ch == '+')
3365 ch = rxvt_cmd_getc(aR);
3366
3367 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3368 args[nargs] = args[nargs] * 10 + (ch - '0');
3369 if (neg)
3370 args[nargs] = -args[nargs];
3371
3372 nargs++;
3373 args[nargs] = 0;
3374 if (ch != ';')
3375 break;
3376 }
3377
3378 if ((cmd == 'T') && (nargs >= 5)) {
3379 int i, len = args[4];
3380
3381 text = rxvt_malloc((len + 1) * sizeof(char));
3382
3383 if (text != NULL) {
3384 for (i = 0; i < len; i++)
3385 text[i] = rxvt_cmd_getc(aR);
3386 text[len] = '\0';
3387 }
3388 }
3389 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3390 #endif
3391 }
3392 /*}}} */
3393
3394 /* ------------------------------------------------------------------------- */
3395
3396 /*
3397 * Send printf() formatted output to the command.
3398 * Only use for small amounts of data.
3399 */
3400 /* EXTPROTO */
3401 void
3402 rxvt_tt_printf(pR_ const char *fmt,...)
3403 {
3404 va_list arg_ptr;
3405 unsigned char buf[256];
3406
3407 va_start(arg_ptr, fmt);
3408 vsprintf((char *)buf, fmt, arg_ptr);
3409 va_end(arg_ptr);
3410 rxvt_tt_write(aR_ buf, (unsigned int)STRLEN(buf));
3411 }
3412
3413 /* ---------------------------------------------------------------------- */
3414 /* Addresses pasting large amounts of data and rxvt hang
3415 * code pinched from xterm (v_write()) and applied originally to
3416 * rxvt-2.18 - Hops
3417 * Write data to the pty as typed by the user, pasted with the mouse,
3418 * or generated by us in response to a query ESC sequence.
3419 */
3420 /* EXTPROTO */
3421 void
3422 rxvt_tt_write(pR_ const unsigned char *d, unsigned int len)
3423 {
3424 #define MAX_PTY_WRITE 256 /* POSIX minimum MAX_INPUT */
3425 int riten;
3426 unsigned int p;
3427 unsigned char *v_buffer, /* start of physical buffer */
3428 *v_bufstr, /* start of current buffer pending */
3429 *v_bufptr, /* end of current buffer pending */
3430 *v_bufend; /* end of physical buffer */
3431
3432 if (R->v_bufstr == NULL && len > 0) {
3433 p = (len / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3434 v_buffer = v_bufstr = v_bufptr = (unsigned char *)rxvt_malloc(p);
3435 v_bufend = v_buffer + p;
3436 } else {
3437 v_buffer = R->v_buffer;
3438 v_bufstr = R->v_bufstr;
3439 v_bufptr = R->v_bufptr;
3440 v_bufend = R->v_bufend;
3441 }
3442
3443 /*
3444 * Append to the block we already have. Always doing this simplifies the
3445 * code, and isn't too bad, either. If this is a short block, it isn't
3446 * too expensive, and if this is a long block, we won't be able to write
3447 * it all anyway.
3448 */
3449 if (len > 0) {
3450 if (v_bufend < v_bufptr + len) { /* run out of room */
3451 if (v_bufstr != v_buffer) {
3452 /* there is unused space, move everything down */
3453 MEMMOVE(v_buffer, v_bufstr,
3454 (unsigned int)(v_bufptr - v_bufstr));
3455 v_bufptr -= v_bufstr - v_buffer;
3456 v_bufstr = v_buffer;
3457 }
3458 if (v_bufend < v_bufptr + len) {
3459 /* still won't fit: get more space */
3460 /* use most basic realloc because an error is not fatal. */
3461 unsigned int size = v_bufptr - v_buffer;
3462 unsigned int reallocto;
3463
3464 reallocto = ((size + len) / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3465 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3466 /* save across realloc */
3467 if (v_buffer) {
3468 v_bufstr = v_buffer;
3469 v_bufptr = v_buffer + size;
3470 v_bufend = v_buffer + reallocto;
3471 } else { /* no memory: ignore entire write request */
3472 rxvt_print_error("data loss: cannot allocate buffer space");
3473 v_buffer = v_bufstr; /* restore clobbered pointer */
3474 }
3475 }
3476 }
3477 if (v_bufend >= v_bufptr + len) { /* new stuff will fit */
3478 MEMCPY(v_bufptr, d, len);
3479 v_bufptr += len;
3480 }
3481 }
3482
3483 /*
3484 * Write out as much of the buffer as we can.
3485 * Be careful not to overflow the pty's input silo.
3486 * We are conservative here and only write a small amount at a time.
3487 *
3488 * If we can't push all the data into the pty yet, we expect write
3489 * to return a non-negative number less than the length requested
3490 * (if some data written) or -1 and set errno to EAGAIN,
3491 * EWOULDBLOCK, or EINTR (if no data written).
3492 *
3493 * (Not all systems do this, sigh, so the code is actually
3494 * a little more forgiving.)
3495 */
3496 if ((p = v_bufptr - v_bufstr) > 0) {
3497 riten = write(R->cmd_fd, v_bufstr, min(p, MAX_PTY_WRITE));
3498 if (riten < 0)
3499 riten = 0;
3500 v_bufstr += riten;
3501 if (v_bufstr >= v_bufptr) /* we wrote it all */
3502 v_bufstr = v_bufptr = v_buffer;
3503 }
3504 /*
3505 * If we have lots of unused memory allocated, return it
3506 */
3507 if (v_bufend - v_bufptr > MAX_PTY_WRITE * 8) { /* arbitrary hysteresis */
3508 /* save pointers across realloc */
3509 unsigned int start = v_bufstr - v_buffer;
3510 unsigned int size = v_bufptr - v_buffer;
3511 unsigned int reallocto;
3512
3513 reallocto = (size / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3514 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3515 if (v_buffer) {
3516 v_bufstr = v_buffer + start;
3517 v_bufptr = v_buffer + size;
3518 v_bufend = v_buffer + reallocto;
3519 } else {
3520 /* should we print a warning if couldn't return memory? */
3521 v_buffer = v_bufstr - start; /* restore clobbered pointer */
3522 }
3523 }
3524 R->v_buffer = v_buffer;
3525 R->v_bufstr = v_bufstr;
3526 R->v_bufptr = v_bufptr;
3527 R->v_bufend = v_bufend;
3528 }
3529 /*----------------------- end-of-file (C source) -----------------------*/
3530