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Revision: 1.9
Committed: Thu Nov 27 10:12:10 2003 UTC (20 years, 5 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.8: +12 -5 lines
Log Message:
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File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.8 2003/11/26 10:42:34 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 SET_R (this);
710
711 w.at += BLINK_INTERVAL;
712 hidden_cursor = !hidden_cursor;
713 want_refresh = 1;
714 flush ();
715 }
716
717 void
718 rxvt_term::x_cb (io_watcher &w, short revents)
719 {
720 SET_R (this);
721
722 process_x_events ();
723
724 flush ();
725 }
726
727 // read the next character, currently handles UTF-8
728 // will probably handle all sorts of other stuff in the future
729 uint32_t
730 rxvt_term::next_char ()
731 {
732 struct mbstate &s = mbstate;
733
734 while (cmdbuf_ptr < cmdbuf_endp)
735 {
736 uint8_t ch = *cmdbuf_ptr;
737
738 if (s.cnt)
739 {
740 if ((ch & 0xc0) == 0x80)
741 {
742 cmdbuf_ptr++;
743
744 /* continuation */
745 s.reg = (s.reg << 6) | (ch & 0x7f);
746
747 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
748 return s.reg;
749
750 continue;
751 }
752 else
753 {
754 s.cnt = 0;
755 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */
756 }
757 }
758
759 if ((ch & 0xc0) == 0xc0)
760 {
761 cmdbuf_ptr++;
762
763 /* first byte */
764 s.orig = ch; /* for broken encodings */
765 s.reg = ch;
766 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; }
767 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; }
768 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; }
769 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; }
770 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; }
771 }
772 else
773 {
774 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */
775 return ch;
776 }
777 }
778
779 return NOCHAR;
780 }
781
782 bool
783 rxvt_term::pty_fill ()
784 {
785 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
786
787 memmove (cmdbuf_base, cmdbuf_ptr, n);
788 cmdbuf_ptr = cmdbuf_base;
789 cmdbuf_endp = cmdbuf_ptr + n;
790
791 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n);
792
793 if (n > 0)
794 {
795 cmdbuf_endp += n;
796 return true;
797 }
798 else if (n < 0 && errno == EAGAIN)
799 return false;
800
801 destroy ();
802 }
803
804 void
805 rxvt_term::pty_cb (io_watcher &w, short revents)
806 {
807 SET_R (this);
808
809 // loop, but don't allow a single term to monopolize us
810 // the number of loops is fully arbitrary, and thus wrong
811 for (int i = 7; i-- && pty_fill (); )
812 {
813 //TODO:
814 /* once we know the shell is running, send the screen size. Again! */
815 //ch = rxvt_cmd_getc(aR); /* wait for something */
816 //rxvt_tt_winsize(cmd_fd, TermWin.ncol, TermWin.nrow, cmd_pid);
817
818 uint32_t ch = NOCHAR;
819
820 for (;;)
821 {
822 if (ch == NOCHAR)
823 ch = next_char ();
824
825 if (ch == NOCHAR) // TODO: improve
826 break;
827
828 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
829 {
830 /* Read a text string from the input buffer */
831 uint32_t buf[BUFSIZ];
832 bool refreshnow = false;
833 int nlines = 0;
834 uint32_t *str = buf;
835
836 *str++ = ch;
837
838 for (;;)
839 {
840 ch = next_char ();
841
842 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
843 break;
844 else
845 {
846 *str++ = ch;
847
848 if (ch == '\n')
849 {
850 nlines++;
851 refresh_count++;
852
853 if (!(Options & Opt_jumpScroll)
854 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
855 {
856 refreshnow = true;
857 ch = NOCHAR;
858 break;
859 }
860 }
861
862 if (str >= buf + BUFSIZ)
863 {
864 ch = NOCHAR;
865 break;
866 }
867 }
868 }
869
870 rxvt_scr_add_lines (this, buf, nlines, str - buf);
871
872 /*
873 * If there have been a lot of new lines, then update the screen
874 * What the heck I'll cheat and only refresh less than every page-full.
875 * the number of pages between refreshes is refresh_limit, which
876 * is incremented here because we must be doing flat-out scrolling.
877 *
878 * refreshing should be correct for small scrolls, because of the
879 * time-out
880 */
881 if (refreshnow)
882 {
883 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
884 refresh_limit++;
885
886 rxvt_scr_refresh (this, refresh_type);
887 }
888
889 }
890 else
891 {
892 switch (ch)
893 {
894 default:
895 rxvt_process_nonprinting (this, ch);
896 break;
897 case C0_ESC: /* escape char */
898 rxvt_process_escape_seq (this);
899 break;
900 /*case 0x9b: */ /* CSI */
901 /* rxvt_process_csi_seq (this); */
902 }
903
904 ch = NOCHAR;
905 }
906 }
907 }
908
909 flush ();
910 }
911
912 void
913 rxvt_term::flush ()
914 {
915 #ifdef TRANSPARENT
916 if (want_full_refresh)
917 {
918 want_full_refresh = 0;
919 rxvt_scr_clear (this);
920 rxvt_scr_touch (this, False);
921 want_refresh = 1;
922 }
923 #endif
924
925 if (want_refresh)
926 {
927 rxvt_scr_refresh (this, refresh_type);
928 rxvt_scrollbar_show (this, 1);
929 #ifdef USE_XIM
930 rxvt_IMSendSpot (this);
931 #endif
932 }
933
934 if (XPending (Xdisplay)) process_x_events ();
935 XFlush (Xdisplay);
936 if (XPending (Xdisplay)) process_x_events ();
937 }
938
939 /* rxvt_cmd_getc() - Return next input character */
940 /*
941 * Return the next input character after first passing any keyboard input
942 * to the command.
943 */
944 /* INTPROTO */
945 uint32_t
946 rxvt_cmd_getc(pR)
947 {
948 for (;;)
949 {
950 uint32_t c = R->next_char ();
951 if (c != NOCHAR)
952 return c;
953
954 // incomplete sequences should occur rarely, still, a better solution
955 // would be preferred. either setjmp/longjmp or better design.
956 fcntl (R->cmd_fd, F_SETFL, 0);
957 R->pty_fill ();
958 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
959 }
960
961 #if 0
962 #define TIMEOUT_USEC 5000
963 fd_set readfds;
964 int quick_timeout, select_res;
965 int want_motion_time, want_keypress_time;
966 struct timeval value;
967 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
968 struct timeval tp;
969 #endif
970
971 for (;;) {
972 /* loop until we can return something */
973
974 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
975 rxvt_tt_write(aR_ NULL, 0);
976
977 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
978 if (R->mouse_slip_wheel_speed) {
979 quick_timeout = 1;
980 if (!R->mouse_slip_wheel_delay--
981 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
982 abs(R->mouse_slip_wheel_speed))) {
983 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
984 R->refresh_type |= SMOOTH_REFRESH;
985 R->want_refresh = 1;
986 }
987 }
988 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
989 #ifdef SELECTION_SCROLLING
990 if (R->pending_scroll_selection) {
991 quick_timeout = 1;
992 if (!R->scroll_selection_delay--
993 && rxvt_scr_page(aR_ R->scroll_selection_dir,
994 R->scroll_selection_lines)) {
995 rxvt_selection_extend(aR_ R->selection_save_x,
996 R->selection_save_y, R->selection_save_state);
997 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
998 R->refresh_type |= SMOOTH_REFRESH;
999 R->want_refresh = 1;
1000 }
1001 }
1002 #endif
1003 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1004 if (scrollbar_isUp() || scrollbar_isDn()) {
1005 quick_timeout = 1;
1006 if (!R->scroll_arrow_delay--
1007 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
1008 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
1009 R->refresh_type |= SMOOTH_REFRESH;
1010 R->want_refresh = 1;
1011 }
1012 }
1013 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1014
1015 #ifdef TRANSPARENT
1016 quick_timeout |= R->want_full_refresh;
1017 #endif
1018 #endif
1019 }
1020
1021 void
1022 rxvt_term::pointer_unblank ()
1023 {
1024 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1025 rxvt_recolour_cursor (this);
1026
1027 #ifdef POINTER_BLANK
1028 hidden_pointer = 0;
1029
1030 if (Options & Opt_pointerBlank)
1031 pointer_ev.start (NOW + pointerBlankDelay);
1032 #endif
1033 }
1034
1035 #ifdef POINTER_BLANK
1036 void
1037 rxvt_term::pointer_blank ()
1038 {
1039 pointer_ev.stop ();
1040
1041 if (!(Options & Opt_pointerBlank))
1042 return;
1043
1044 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1045 XFlush (Xdisplay);
1046
1047 hidden_pointer = 1;
1048 }
1049
1050 void
1051 rxvt_term::pointer_cb (time_watcher &w)
1052 {
1053 SET_R (this);
1054
1055 pointer_blank ();
1056 }
1057 #endif
1058
1059 /* INTPROTO */
1060 void
1061 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1062 {
1063 int button_number, key_state = 0;
1064 int x, y;
1065
1066 x = ev->x;
1067 y = ev->y;
1068 rxvt_pixel_position(aR_ &x, &y);
1069
1070 if (R->MEvent.button == AnyButton) {
1071 button_number = 3;
1072 } else {
1073 button_number = R->MEvent.button - Button1;
1074 /* add 0x3D for wheel events, like xterm does */
1075 if (button_number >= 3)
1076 button_number += (64 - 3);
1077 }
1078
1079 if (R->PrivateModes & PrivMode_MouseX10) {
1080 /*
1081 * do not report ButtonRelease
1082 * no state info allowed
1083 */
1084 key_state = 0;
1085 if (button_number == 3)
1086 return;
1087 } else {
1088 /* XTerm mouse reporting needs these values:
1089 * 4 = Shift
1090 * 8 = Meta
1091 * 16 = Control
1092 * plus will add in our own Double-Click reporting
1093 * 32 = Double Click
1094 */
1095 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1096 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1097 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1098 #ifdef MOUSE_REPORT_DOUBLECLICK
1099 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1100 #endif
1101 }
1102
1103 #ifdef DEBUG_MOUSEREPORT
1104 fprintf(stderr, "Mouse [");
1105 if (key_state & 16)
1106 fputc('C', stderr);
1107 if (key_state & 4)
1108 fputc('S', stderr);
1109 if (key_state & 8)
1110 fputc('A', stderr);
1111 if (key_state & 32)
1112 fputc('2', stderr);
1113 fprintf(stderr, "]: <%d>, %d/%d\n",
1114 button_number,
1115 x + 1,
1116 y + 1);
1117 #else
1118 rxvt_tt_printf(aR_ "\033[M%c%c%c",
1119 (32 + button_number + key_state),
1120 (32 + x + 1),
1121 (32 + y + 1));
1122 #endif
1123 }
1124
1125 #ifdef USING_W11LIB
1126 /* EXTPROTO */
1127 void
1128 rxvt_W11_process_x_event(XEvent *ev)
1129 {
1130 rxvt_t *r = rxvt_get_r();
1131
1132 rxvt_process_x_event(aR_ ev);
1133 }
1134 #endif
1135
1136 /*{{{ process an X event */
1137 /* INTPROTO */
1138 void
1139 rxvt_process_x_event(pR_ XEvent *ev)
1140 {
1141 int i, want_timeout;
1142 Window unused_root, unused_child;
1143 int unused_root_x, unused_root_y;
1144 unsigned int unused_mask;
1145 struct timeval tp;
1146
1147 #ifdef DEBUG_X
1148 const char *const eventnames[] =
1149 { /* mason - this matches my system */
1150 "",
1151 "",
1152 "KeyPress",
1153 "KeyRelease",
1154 "ButtonPress",
1155 "ButtonRelease",
1156 "MotionNotify",
1157 "EnterNotify",
1158 "LeaveNotify",
1159 "FocusIn",
1160 "FocusOut",
1161 "KeymapNotify",
1162 "Expose",
1163 "GraphicsExpose",
1164 "NoExpose",
1165 "VisibilityNotify",
1166 "CreateNotify",
1167 "DestroyNotify",
1168 "UnmapNotify",
1169 "MapNotify",
1170 "MapRequest",
1171 "ReparentNotify",
1172 "ConfigureNotify",
1173 "ConfigureRequest",
1174 "GravityNotify",
1175 "ResizeRequest",
1176 "CirculateNotify",
1177 "CirculateRequest",
1178 "PropertyNotify",
1179 "SelectionClear",
1180 "SelectionRequest",
1181 "SelectionNotify",
1182 "ColormapNotify",
1183 "ClientMessage",
1184 "MappingNotify"
1185 };
1186 struct tm *ltt;
1187 #endif
1188
1189 /*
1190 * check if we need to get the time for any timeouts
1191 */
1192
1193 for (i = NUM_TIMEOUTS; i--; )
1194 if (R->timeout[i].tv_sec) {
1195 want_timeout = 1;
1196 break;
1197 }
1198
1199 #ifndef DEBUG_X
1200 if (want_timeout)
1201 #endif
1202 (void)gettimeofday(&tp, NULL);
1203
1204 #ifdef DEBUG_X
1205 ltt = localtime(&(tp.tv_sec));
1206 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));
1207 #endif
1208
1209 /* X event timeouts */
1210 if (want_timeout)
1211 for (i = NUM_TIMEOUTS; i--; ) {
1212 if (R->timeout[i].tv_sec == 0)
1213 continue;
1214 if ((tp.tv_sec < R->timeout[i].tv_sec)
1215 || (tp.tv_sec == R->timeout[i].tv_sec
1216 && tp.tv_usec < R->timeout[i].tv_usec))
1217 continue;
1218 R->timeout[i].tv_sec = 0;
1219 switch(i) {
1220 case TIMEOUT_INCR:
1221 rxvt_print_error("data loss: timeout on INCR selection paste");
1222 R->selection_wait = Sel_none;
1223 break;
1224 default:
1225 break;
1226 }
1227 }
1228
1229 switch (ev->type) {
1230 case KeyPress:
1231 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1232 break;
1233
1234 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1235 case KeyRelease:
1236 {
1237 if (!(ev->xkey.state & ControlMask))
1238 R->mouse_slip_wheel_speed = 0;
1239 else {
1240 KeySym ks;
1241
1242 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1243 if (ks == XK_Control_L || ks == XK_Control_R)
1244 R->mouse_slip_wheel_speed = 0;
1245 }
1246 break;
1247 }
1248 #endif
1249
1250 case ButtonPress:
1251 rxvt_button_press(aR_ (XButtonEvent *)ev);
1252 break;
1253
1254 case ButtonRelease:
1255 rxvt_button_release(aR_ (XButtonEvent *)ev);
1256 break;
1257
1258 case ClientMessage:
1259 if (ev->xclient.format == 32
1260 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1261 R->destroy ();
1262 #ifdef OFFIX_DND
1263 /* OffiX Dnd (drag 'n' drop) protocol */
1264 else if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1265 && (ev->xclient.data.l[0] == DndFile
1266 || ev->xclient.data.l[0] == DndDir
1267 || ev->xclient.data.l[0] == DndLink)) {
1268 /* Get Dnd data */
1269 Atom ActualType;
1270 int ActualFormat;
1271 unsigned char *data;
1272 unsigned long Size, RemainingBytes;
1273
1274 XGetWindowProperty(R->Xdisplay, Xroot,
1275 R->xa[XA_DNDSELECTION],
1276 0L, 1000000L,
1277 False, AnyPropertyType,
1278 &ActualType, &ActualFormat,
1279 &Size, &RemainingBytes,
1280 &data);
1281 XChangeProperty(R->Xdisplay, Xroot,
1282 XA_CUT_BUFFER0, XA_STRING,
1283 8, PropModeReplace,
1284 data, STRLEN(data));
1285 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1286 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1287 }
1288 #endif /* OFFIX_DND */
1289 break;
1290
1291 case MappingNotify:
1292 XRefreshKeyboardMapping(&(ev->xmapping));
1293 break;
1294
1295 /*
1296 * XXX: this is not the _current_ arrangement
1297 * Here's my conclusion:
1298 * If the window is completely unobscured, use bitblt's
1299 * to scroll. Even then, they're only used when doing partial
1300 * screen scrolling. When partially obscured, we have to fill
1301 * in the GraphicsExpose parts, which means that after each refresh,
1302 * we need to wait for the graphics expose or Noexpose events,
1303 * which ought to make things real slow!
1304 */
1305 case VisibilityNotify:
1306 switch (ev->xvisibility.state)
1307 {
1308 case VisibilityUnobscured:
1309 R->refresh_type = FAST_REFRESH;
1310 break;
1311 case VisibilityPartiallyObscured:
1312 R->refresh_type = SLOW_REFRESH;
1313 break;
1314 default:
1315 R->refresh_type = NO_REFRESH;
1316 break;
1317 }
1318 break;
1319
1320 case FocusIn:
1321 if (!R->TermWin.focus) {
1322 R->TermWin.focus = 1;
1323 R->want_refresh = 1;
1324 #ifdef USE_XIM
1325 if (R->Input_Context != NULL)
1326 XSetICFocus(R->Input_Context);
1327 #endif
1328 #ifdef CURSOR_BLINK
1329 if (R->Options & Opt_cursorBlink)
1330 R->blink_ev.start (NOW + BLINK_INTERVAL);
1331 #endif
1332 }
1333 break;
1334
1335 case FocusOut:
1336 if (R->TermWin.focus) {
1337 R->TermWin.focus = 0;
1338 R->want_refresh = 1;
1339 #ifdef USE_XIM
1340 if (R->Input_Context != NULL)
1341 XUnsetICFocus(R->Input_Context);
1342 #endif
1343 #ifdef CURSOR_BLINK
1344 if (R->Options & Opt_cursorBlink)
1345 R->blink_ev.stop ();
1346 R->hidden_cursor = 0;
1347 #endif
1348 }
1349 break;
1350
1351 case ConfigureNotify:
1352 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1353 int height, width;
1354
1355 do { /* Wrap lots of configures into one */
1356 width = ev->xconfigure.width;
1357 height = ev->xconfigure.height;
1358 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1359 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1360 ConfigureNotify, ev));
1361 if (R->szHint.width != width || R->szHint.height != height) {
1362 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1363 rxvt_resize_all_windows(aR_ (unsigned int)width,
1364 (unsigned int)height, 1);
1365 }
1366 #ifdef DEBUG_SIZE
1367 else {
1368 D_SIZE((stderr, "Size: Not resizing"));
1369 }
1370 #endif
1371 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1372 if (R->Options & Opt_transparent) {
1373 rxvt_check_our_parents(aR);
1374 if (R->am_transparent)
1375 R->want_full_refresh = 1;
1376 }
1377 #endif
1378 }
1379 break;
1380
1381 case SelectionClear:
1382 rxvt_selection_clear(aR);
1383 break;
1384
1385 case SelectionNotify:
1386 if (R->selection_wait == Sel_normal)
1387 rxvt_selection_paste(aR_ ev->xselection.requestor,
1388 ev->xselection.property, True);
1389 break;
1390
1391 case SelectionRequest:
1392 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1393 break;
1394
1395 case UnmapNotify:
1396 R->TermWin.mapped = 0;
1397 break;
1398
1399 case MapNotify:
1400 R->TermWin.mapped = 1;
1401 break;
1402
1403 case PropertyNotify:
1404 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1405 if (ev->xproperty.state == PropertyNewValue)
1406 rxvt_selection_property(aR_ ev->xproperty.window,
1407 ev->xproperty.atom);
1408 break;
1409 }
1410 #ifdef TRANSPARENT
1411 /*
1412 * if user used some Esetroot compatible prog to set the root bg,
1413 * use the property to determine the pixmap. We use it later on.
1414 */
1415 if (R->xa[XA_XROOTPMAPID] == 0)
1416 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1417 "_XROOTPMAP_ID", False);
1418 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1419 break;
1420 /* FALLTHROUGH */
1421 case ReparentNotify:
1422 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1423 if (R->am_transparent)
1424 R->want_full_refresh = 1;
1425 }
1426 #endif /* TRANSPARENT */
1427 break;
1428
1429 case GraphicsExpose:
1430 case Expose:
1431 if (ev->xany.window == R->TermWin.vt) {
1432 #ifdef NO_SLOW_LINK_SUPPORT
1433 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1434 ev->xexpose.width, ev->xexpose.height, False);
1435 #else
1436 // don't understand this, so commented it out
1437 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1438 ev->xexpose.width, ev->xexpose.height, False);
1439 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1440 // ev->xexpose.width, R->TermWin.height, False);
1441 #endif
1442 R->want_refresh = 1;
1443 } else {
1444 XEvent unused_xevent;
1445
1446 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1447 Expose,
1448 &unused_xevent)) ;
1449 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1450 GraphicsExpose,
1451 &unused_xevent)) ;
1452 if (isScrollbarWindow(ev->xany.window)) {
1453 scrollbar_setIdle();
1454 rxvt_scrollbar_show(aR_ 0);
1455 }
1456 #ifdef MENUBAR
1457 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1458 rxvt_menubar_expose(aR);
1459 #endif
1460 #ifdef RXVT_GRAPHICS
1461 rxvt_Gr_expose(aR_ ev->xany.window);
1462 #endif
1463 }
1464 break;
1465
1466 case MotionNotify:
1467 #ifdef POINTER_BLANK
1468 if (R->hidden_pointer)
1469 R->pointer_unblank ();
1470 #endif
1471 #if MENUBAR
1472 if (isMenuBarWindow(ev->xany.window)) {
1473 rxvt_menubar_control(aR_ &(ev->xbutton));
1474 break;
1475 }
1476 #endif
1477 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1478 break;
1479
1480 if (ev->xany.window == R->TermWin.vt) {
1481 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1482 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1483 MotionNotify, ev)) ;
1484 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1485 &unused_root, &unused_child,
1486 &unused_root_x, &unused_root_y,
1487 &(ev->xbutton.x), &(ev->xbutton.y),
1488 &unused_mask);
1489 #ifdef MOUSE_THRESHOLD
1490 /* deal with a `jumpy' mouse */
1491 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1492 #endif
1493 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1494 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1495 #ifdef SELECTION_SCROLLING
1496 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1497 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1498 int dist;
1499
1500 R->pending_scroll_selection=1;
1501
1502 /* don't clobber the current delay if we are
1503 * already in the middle of scrolling.
1504 */
1505 if (R->scroll_selection_delay<=0)
1506 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1507
1508 /* save the event params so we can highlight
1509 * the selection in the pending-scroll loop
1510 */
1511 R->selection_save_x=ev->xbutton.x;
1512 R->selection_save_y=ev->xbutton.y;
1513 R->selection_save_state=
1514 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1515
1516 /* calc number of lines to scroll */
1517 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1518 R->scroll_selection_dir = UP;
1519 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1520 }
1521 else {
1522 R->scroll_selection_dir = DN;
1523 dist = ev->xbutton.y -
1524 (R->TermWin.int_bwidth + R->TermWin.height);
1525 }
1526 R->scroll_selection_lines=(Pixel2Height(dist)/
1527 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1528 MIN_IT(R->scroll_selection_lines,
1529 SELECTION_SCROLL_MAX_LINES);
1530 }
1531 else {
1532 /* we are within the text window, so we
1533 * shouldn't be scrolling
1534 */
1535 R->pending_scroll_selection = 0;
1536 }
1537 #endif
1538 #ifdef MOUSE_THRESHOLD
1539 }
1540 #endif
1541 }
1542 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1543 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1544 MotionNotify, ev)) ;
1545 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1546 &unused_root, &unused_child,
1547 &unused_root_x, &unused_root_y,
1548 &(ev->xbutton.x), &(ev->xbutton.y),
1549 &unused_mask);
1550 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1551 scrollbar_size());
1552 rxvt_scr_refresh(aR_ R->refresh_type);
1553 R->refresh_limit = 0;
1554 rxvt_scrollbar_show(aR_ 1);
1555 }
1556 break;
1557 }
1558 }
1559
1560 /* INTPROTO */
1561 void
1562 rxvt_button_press(pR_ XButtonEvent *ev)
1563 {
1564 int reportmode = 0, clickintime;
1565
1566 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1567 if (!R->bypass_keystate)
1568 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1569 /*
1570 * VT window processing of button press
1571 */
1572 if (ev->window == R->TermWin.vt)
1573 {
1574 #if RXVT_GRAPHICS
1575 if (ev->subwindow != None)
1576 rxvt_Gr_ButtonPress(ev->x, ev->y);
1577 else
1578 #endif
1579 {
1580 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1581 if (reportmode)
1582 {
1583 /* mouse report from vt window */
1584 /* save the xbutton state (for ButtonRelease) */
1585 R->MEvent.state = ev->state;
1586 #ifdef MOUSE_REPORT_DOUBLECLICK
1587 if (ev->button == R->MEvent.button && clickintime)
1588 {
1589 /* same button, within alloted time */
1590 R->MEvent.clicks++;
1591 if (R->MEvent.clicks > 1)
1592 {
1593 /* only report double clicks */
1594 R->MEvent.clicks = 2;
1595 rxvt_mouse_report(aR_ ev);
1596
1597 /* don't report the release */
1598 R->MEvent.clicks = 0;
1599 R->MEvent.button = AnyButton;
1600 }
1601 }
1602 else
1603 {
1604 /* different button, or time expired */
1605 R->MEvent.clicks = 1;
1606 R->MEvent.button = ev->button;
1607 rxvt_mouse_report(aR_ ev);
1608 }
1609 #else
1610 R->MEvent.button = ev->button;
1611 rxvt_mouse_report(aR_ ev);
1612 #endif /* MOUSE_REPORT_DOUBLECLICK */
1613 }
1614 else
1615 {
1616 if (ev->button != R->MEvent.button)
1617 R->MEvent.clicks = 0;
1618 switch (ev->button)
1619 {
1620 case Button1:
1621 if (R->MEvent.button == Button1 && clickintime)
1622 R->MEvent.clicks++;
1623 else
1624 R->MEvent.clicks = 1;
1625 rxvt_selection_click(aR_ R->MEvent.clicks, ev->x, ev->y);
1626 R->MEvent.button = Button1;
1627 break;
1628
1629 case Button3:
1630 if (R->MEvent.button == Button3 && clickintime)
1631 rxvt_selection_rotate(aR_ ev->x, ev->y);
1632 else
1633 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1634 R->MEvent.button = Button3;
1635 break;
1636 }
1637 }
1638 R->MEvent.time = ev->time;
1639 return;
1640 }
1641 }
1642
1643 /*
1644 * Scrollbar window processing of button press
1645 */
1646 if (isScrollbarWindow(ev->window))
1647 {
1648 scrollbar_setIdle();
1649 /*
1650 * Rxvt-style scrollbar:
1651 * move up if mouse is above slider
1652 * move dn if mouse is below slider
1653 *
1654 * XTerm-style scrollbar:
1655 * Move display proportional to pointer location
1656 * pointer near top -> scroll one line
1657 * pointer near bot -> scroll full page
1658 */
1659 #ifndef NO_SCROLLBAR_REPORT
1660 if (reportmode) {
1661 /*
1662 * Mouse report disabled scrollbar:
1663 * arrow buttons - send up/down
1664 * click on scrollbar - send pageup/down
1665 */
1666 if ((R->scrollBar.style == R_SB_NEXT
1667 && scrollbarnext_upButton(ev->y))
1668 || (R->scrollBar.style == R_SB_RXVT
1669 && scrollbarrxvt_upButton(ev->y)))
1670 rxvt_tt_printf(aR_ "\033[A");
1671 else if ((R->scrollBar.style == R_SB_NEXT
1672 && scrollbarnext_dnButton(ev->y))
1673 || (R->scrollBar.style == R_SB_RXVT
1674 && scrollbarrxvt_dnButton(ev->y)))
1675 rxvt_tt_printf(aR_ "\033[B");
1676 else
1677 switch (ev->button) {
1678 case Button2:
1679 rxvt_tt_printf(aR_ "\014");
1680 break;
1681 case Button1:
1682 rxvt_tt_printf(aR_ "\033[6~");
1683 break;
1684 case Button3:
1685 rxvt_tt_printf(aR_ "\033[5~");
1686 break;
1687 }
1688 }
1689 else
1690 #endif /* NO_SCROLLBAR_REPORT */
1691 {
1692 char upordown = 0;
1693
1694 if (R->scrollBar.style == R_SB_NEXT) {
1695 if (scrollbarnext_upButton(ev->y))
1696 upordown = -1; /* up */
1697 else if (scrollbarnext_dnButton(ev->y))
1698 upordown = 1; /* down */
1699 } else if (R->scrollBar.style == R_SB_RXVT) {
1700 if (scrollbarrxvt_upButton(ev->y))
1701 upordown = -1; /* up */
1702 else if (scrollbarrxvt_dnButton(ev->y))
1703 upordown = 1; /* down */
1704 }
1705 if (upordown) {
1706 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1707 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1708 #endif
1709 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1710 if (upordown < 0)
1711 scrollbar_setUp();
1712 else
1713 scrollbar_setDn();
1714 }
1715 } else
1716 switch (ev->button) {
1717 case Button2:
1718 switch (R->scrollbar_align) {
1719 case R_SB_ALIGN_TOP:
1720 R->csrO = 0;
1721 break;
1722 case R_SB_ALIGN_CENTRE:
1723 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1724 break;
1725 case R_SB_ALIGN_BOTTOM:
1726 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1727 break;
1728 }
1729 if (R->scrollBar.style == R_SB_XTERM
1730 || scrollbar_above_slider(ev->y)
1731 || scrollbar_below_slider(ev->y))
1732 rxvt_scr_move_to(aR_
1733 scrollbar_position(ev->y) - R->csrO,
1734 scrollbar_size());
1735 scrollbar_setMotion();
1736 break;
1737
1738 case Button1:
1739 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1740 R->csrO = ev->y - R->scrollBar.top;
1741 /* FALLTHROUGH */
1742
1743 case Button3:
1744 if (R->scrollBar.style != R_SB_XTERM) {
1745 if (scrollbar_above_slider(ev->y))
1746 # ifdef RXVT_SCROLL_FULL
1747 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1748 # else
1749 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1750 # endif
1751 else if (scrollbar_below_slider(ev->y))
1752 # ifdef RXVT_SCROLL_FULL
1753 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1754 # else
1755 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1756 # endif
1757 else
1758 scrollbar_setMotion();
1759 } else {
1760 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1761 (R->TermWin.nrow
1762 * scrollbar_position(ev->y)
1763 / scrollbar_size()));
1764 }
1765 break;
1766 }
1767 }
1768 return;
1769 }
1770 #if MENUBAR
1771 /*
1772 * Menubar window processing of button press
1773 */
1774 if (isMenuBarWindow(ev->window))
1775 rxvt_menubar_control(aR_ ev);
1776 #endif
1777 }
1778
1779 /* INTPROTO */
1780 void
1781 rxvt_button_release(pR_ XButtonEvent *ev)
1782 {
1783 int reportmode = 0;
1784
1785 R->csrO = 0; /* reset csr Offset */
1786 if (!R->bypass_keystate)
1787 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1788
1789 if (scrollbar_isUpDn()) {
1790 scrollbar_setIdle();
1791 rxvt_scrollbar_show(aR_ 0);
1792 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1793 R->refresh_type &= ~SMOOTH_REFRESH;
1794 #endif
1795 }
1796 #ifdef SELECTION_SCROLLING
1797 R->pending_scroll_selection=0;
1798 #endif
1799 if (ev->window == R->TermWin.vt)
1800 {
1801 #ifdef RXVT_GRAPHICS
1802 if (ev->subwindow != None)
1803 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1804 else
1805 #endif
1806 {
1807 if (reportmode)
1808 {
1809 /* mouse report from vt window */
1810 /* don't report release of wheel "buttons" */
1811 if (ev->button >= 4)
1812 return;
1813 #ifdef MOUSE_REPORT_DOUBLECLICK
1814 /* only report the release of 'slow' single clicks */
1815 if (R->MEvent.button != AnyButton
1816 && (ev->button != R->MEvent.button
1817 || (ev->time - R->MEvent.time
1818 > MULTICLICK_TIME / 2)))
1819 {
1820 R->MEvent.clicks = 0;
1821 R->MEvent.button = AnyButton;
1822 rxvt_mouse_report(aR_ ev);
1823 }
1824 #else /* MOUSE_REPORT_DOUBLECLICK */
1825 R->MEvent.button = AnyButton;
1826 rxvt_mouse_report(aR_ ev);
1827 #endif /* MOUSE_REPORT_DOUBLECLICK */
1828 return;
1829 }
1830 /*
1831 * dumb hack to compensate for the failure of click-and-drag
1832 * when overriding mouse reporting
1833 */
1834 if (R->PrivateModes & PrivMode_mouse_report
1835 && R->bypass_keystate
1836 && ev->button == Button1 && R->MEvent.clicks <= 1)
1837 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1838
1839 switch (ev->button) {
1840 case Button1:
1841 case Button3:
1842 rxvt_selection_make(aR_ ev->time);
1843 break;
1844 case Button2:
1845 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1846 break;
1847 #ifdef MOUSE_WHEEL
1848 case Button4:
1849 case Button5:
1850 {
1851 int i, v;
1852
1853 v = (ev->button == Button4) ? UP : DN;
1854 if (ev->state & ShiftMask)
1855 i = 1;
1856 else if ((R->Options & Opt_mouseWheelScrollPage))
1857 i = R->TermWin.nrow - 1;
1858 else
1859 i = 5;
1860 # ifdef MOUSE_SLIP_WHEELING
1861 if (ev->state & ControlMask)
1862 {
1863 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1864 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1865 }
1866 # endif
1867 # ifdef JUMP_MOUSE_WHEEL
1868 rxvt_scr_page(aR_ v, i);
1869 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1870 rxvt_scrollbar_show(aR_ 1);
1871 # else
1872 for (; i--;)
1873 {
1874 rxvt_scr_page(aR_ v, 1);
1875 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1876 rxvt_scrollbar_show(aR_ 1);
1877 }
1878 # endif
1879 }
1880 break;
1881 #endif
1882 }
1883 }
1884 }
1885 #ifdef MENUBAR
1886 else if (isMenuBarWindow(ev->window))
1887 rxvt_menubar_control(aR_ ev);
1888 #endif
1889 }
1890
1891
1892 #ifdef TRANSPARENT
1893 /*
1894 * Check our parents are still who we think they are.
1895 * Do transparency updates if required
1896 */
1897 /* EXTPROTO */
1898 int
1899 rxvt_check_our_parents(pR)
1900 {
1901 int i, pchanged, aformat, have_pixmap, rootdepth;
1902 unsigned long nitems, bytes_after;
1903 Atom atype;
1904 unsigned char *prop = NULL;
1905 Window root, oldp, *list;
1906 Pixmap rootpixmap = None;
1907 XWindowAttributes wattr, wrootattr;
1908
1909 pchanged = 0;
1910
1911 if (!(R->Options & Opt_transparent))
1912 return pchanged; /* Don't try any more */
1913
1914 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1915 rootdepth = wrootattr.depth;
1916
1917 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1918 if (rootdepth != wattr.depth) {
1919 if (R->am_transparent) {
1920 pchanged = 1;
1921 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1922 R->PixColors[Color_bg]);
1923 R->am_transparent = R->am_pixmap_trans = 0;
1924 }
1925 return pchanged; /* Don't try any more */
1926 }
1927
1928 /* Get all X ops out of the queue so that our information is up-to-date. */
1929 XSync(R->Xdisplay, False);
1930
1931 /*
1932 * Make the frame window set by the window manager have
1933 * the root background. Some window managers put multiple nested frame
1934 * windows for each client, so we have to take care about that.
1935 */
1936 i = (R->xa[XA_XROOTPMAPID] != 0
1937 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1938 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1939 &nitems, &bytes_after, &prop) == Success));
1940 if (!i || prop == NULL)
1941 have_pixmap = 0;
1942 else {
1943 have_pixmap = 1;
1944 rootpixmap = *((Pixmap *)prop);
1945 XFree(prop);
1946 }
1947 if (have_pixmap) {
1948 /*
1949 * Copy Xroot pixmap transparency
1950 */
1951 int sx, sy, nx, ny;
1952 unsigned int nw, nh;
1953 Window cr;
1954 XImage *image;
1955 GC gc;
1956 XGCValues gcvalue;
1957
1958 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1959 0, 0, &sx, &sy, &cr);
1960 nw = (unsigned int)R->szHint.width;
1961 nh = (unsigned int)R->szHint.height;
1962 nx = ny = 0;
1963 if (sx < 0) {
1964 nw += sx;
1965 nx = -sx;
1966 sx = 0;
1967 }
1968 if (sy < 0) {
1969 nh += sy;
1970 ny = -sy;
1971 sy = 0;
1972 }
1973 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1974 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1975 R->allowedxerror = -1;
1976 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1977 ZPixmap);
1978 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1979 /* XXX: may need a delay here? */
1980 R->allowedxerror = 0;
1981 if (image == NULL) {
1982 if (R->am_transparent && R->am_pixmap_trans) {
1983 pchanged = 1;
1984 if (R->TermWin.pixmap != None) {
1985 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1986 R->TermWin.pixmap = None;
1987 }
1988 }
1989 R->am_pixmap_trans = 0;
1990 } else {
1991 if (R->TermWin.pixmap != None)
1992 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1993 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1994 (unsigned int)R->szHint.width,
1995 (unsigned int)R->szHint.height,
1996 (unsigned int)image->depth);
1997 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1998 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1999 nx, ny, (unsigned int)image->width,
2000 (unsigned int)image->height);
2001 XFreeGC(R->Xdisplay, gc);
2002 XDestroyImage(image);
2003 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2004 R->TermWin.pixmap);
2005 if (!R->am_transparent || !R->am_pixmap_trans)
2006 pchanged = 1;
2007 R->am_transparent = R->am_pixmap_trans = 1;
2008 }
2009 }
2010 if (!R->am_pixmap_trans) {
2011 unsigned int n;
2012 /*
2013 * InheritPixmap transparency
2014 */
2015 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
2016 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
2017 i++) {
2018 oldp = R->TermWin.parent[i];
2019 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2020 &R->TermWin.parent[i], &list, &n);
2021 XFree(list);
2022 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2023 if (R->TermWin.parent[i] == Xroot) {
2024 if (oldp != None)
2025 pchanged = 1;
2026 break;
2027 }
2028 if (oldp != R->TermWin.parent[i])
2029 pchanged = 1;
2030 }
2031 n = 0;
2032 if (pchanged) {
2033 for (; n < (unsigned int)i; n++) {
2034 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2035 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2036 if (wattr.depth != rootdepth || wattr.class == InputOnly) {
2037 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2038 break;
2039 }
2040 }
2041 }
2042 if (n > (int)(sizeof(R->TermWin.parent)
2043 / sizeof(R->TermWin.parent[0]))) {
2044 D_X((stderr, "InheritPixmap Turning off"));
2045 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2046 R->PixColors[Color_fg]);
2047 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2048 R->PixColors[Color_bg]);
2049 R->am_transparent = 0;
2050 /* XXX: also turn off Opt_transparent? */
2051 } else {
2052 /* wait (an arbitrary period) for the WM to do its thing
2053 * needed for fvwm2.2.2 (and before?) */
2054 # ifdef HAVE_NANOSLEEP
2055 struct timespec rqt;
2056
2057 rqt.tv_sec = 1;
2058 rqt.tv_nsec = 0;
2059 nanosleep(&rqt, NULL);
2060 # else
2061 sleep(1);
2062 # endif
2063 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2064 for (n = 0; n < (unsigned int)i; n++)
2065 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2066 ParentRelative);
2067 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2068 ParentRelative);
2069 R->am_transparent = 1;
2070 }
2071 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2072 R->TermWin.parent[i] = None;
2073 }
2074 return pchanged;
2075 }
2076 #endif
2077
2078 /*}}} */
2079
2080 /*{{{ print pipe */
2081 /*----------------------------------------------------------------------*/
2082 #ifdef PRINTPIPE
2083 /* EXTPROTO */
2084 FILE *
2085 rxvt_popen_printer(pR)
2086 {
2087 FILE *stream = popen(R->rs[Rs_print_pipe], "w");
2088
2089 if (stream == NULL)
2090 rxvt_print_error("can't open printer pipe");
2091 return stream;
2092 }
2093
2094 /* EXTPROTO */
2095 int
2096 rxvt_pclose_printer(FILE *stream)
2097 {
2098 fflush(stream);
2099 /* pclose() reported not to work on SunOS 4.1.3 */
2100 # if defined (__sun__) /* TODO: RESOLVE THIS */
2101 /* pclose works provided SIGCHLD handler uses waitpid */
2102 return pclose(stream); /* return fclose (stream); */
2103 # else
2104 return pclose(stream);
2105 # endif
2106 }
2107
2108 /*
2109 * simulate attached vt100 printer
2110 */
2111 /* INTPROTO */
2112 void
2113 rxvt_process_print_pipe(pR)
2114 {
2115 int done;
2116 FILE *fd;
2117
2118 if ((fd = rxvt_popen_printer(aR)) == NULL)
2119 return;
2120
2121 /*
2122 * Send all input to the printer until either ESC[4i or ESC[?4i
2123 * is received.
2124 */
2125 for (done = 0; !done;) {
2126 unsigned char buf[8];
2127 unsigned char ch;
2128 unsigned int i, len;
2129
2130 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2131 if (putc(ch, fd) == EOF)
2132 break; /* done = 1 */
2133 } else {
2134 len = 0;
2135 buf[len++] = ch;
2136
2137 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2138 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2139 buf[len++] = '?';
2140 ch = rxvt_cmd_getc(aR);
2141 }
2142 if ((buf[len++] = ch) == '4') {
2143 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2144 break; /* done = 1 */
2145 }
2146 }
2147 for (i = 0; i < len; i++)
2148 if (putc(buf[i], fd) == EOF) {
2149 done = 1;
2150 break;
2151 }
2152 }
2153 }
2154 rxvt_pclose_printer(fd);
2155 }
2156 #endif /* PRINTPIPE */
2157 /*}}} */
2158
2159 /* *INDENT-OFF* */
2160 enum {
2161 C1_40 = 0x40,
2162 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2163 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2164 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2165 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2166 };
2167 /* *INDENT-ON* */
2168
2169 /*{{{ process non-printing single characters */
2170 /* INTPROTO */
2171 void
2172 rxvt_process_nonprinting(pR_ unsigned char ch)
2173 {
2174 switch (ch) {
2175 case C0_ENQ: /* terminal Status */
2176 if (R->rs[Rs_answerbackstring])
2177 rxvt_tt_write(aR_
2178 (const unsigned char *)R->rs[Rs_answerbackstring],
2179 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2180 else
2181 rxvt_tt_write(aR_ (unsigned char *)VT100_ANS,
2182 (unsigned int)STRLEN(VT100_ANS));
2183 break;
2184 case C0_BEL: /* bell */
2185 rxvt_scr_bell(aR);
2186 break;
2187 case C0_BS: /* backspace */
2188 rxvt_scr_backspace(aR);
2189 break;
2190 case C0_HT: /* tab */
2191 rxvt_scr_tab(aR_ 1);
2192 break;
2193 case C0_CR: /* carriage return */
2194 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2195 break;
2196 case C0_VT: /* vertical tab, form feed */
2197 case C0_FF:
2198 case C0_LF: /* line feed */
2199 rxvt_scr_index(aR_ UP);
2200 break;
2201 case C0_SO: /* shift out - acs */
2202 rxvt_scr_charset_choose(aR_ 1);
2203 break;
2204 case C0_SI: /* shift in - acs */
2205 rxvt_scr_charset_choose(aR_ 0);
2206 break;
2207 }
2208 }
2209 /*}}} */
2210
2211
2212 /*{{{ process VT52 escape sequences */
2213 /* INTPROTO */
2214 void
2215 rxvt_process_escape_vt52(pR_ unsigned char ch)
2216 {
2217 int row, col;
2218
2219 switch (ch) {
2220 case 'A': /* cursor up */
2221 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2222 break;
2223 case 'B': /* cursor down */
2224 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2225 break;
2226 case 'C': /* cursor right */
2227 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2228 break;
2229 case 'D': /* cursor left */
2230 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2231 break;
2232 case 'H': /* cursor home */
2233 rxvt_scr_gotorc(aR_ 0, 0, 0);
2234 break;
2235 case 'I': /* cursor up and scroll down if needed */
2236 rxvt_scr_index(aR_ DN);
2237 break;
2238 case 'J': /* erase to end of screen */
2239 rxvt_scr_erase_screen(aR_ 0);
2240 break;
2241 case 'K': /* erase to end of line */
2242 rxvt_scr_erase_line(aR_ 0);
2243 break;
2244 case 'Y': /* move to specified row and col */
2245 /* full command is 'ESC Y row col' where row and col
2246 * are encoded by adding 32 and sending the ascii
2247 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2248 * etc. */
2249 row = rxvt_cmd_getc(aR) - ' ';
2250 col = rxvt_cmd_getc(aR) - ' ';
2251 rxvt_scr_gotorc(aR_ row, col, 0);
2252 break;
2253 case 'Z': /* identify the terminal type */
2254 rxvt_tt_printf(aR_ "\033/Z"); /* I am a VT100 emulating a VT52 */
2255 break;
2256 case '<': /* turn off VT52 mode */
2257 PrivMode(0, PrivMode_vt52);
2258 break;
2259 case 'F': /* use special graphics character set */
2260 case 'G': /* use regular character set */
2261 /* unimplemented */
2262 break;
2263 case '=': /* use alternate keypad mode */
2264 case '>': /* use regular keypad mode */
2265 /* unimplemented */
2266 break;
2267 }
2268 }
2269 /*}}} */
2270
2271
2272 /*{{{ process escape sequences */
2273 /* INTPROTO */
2274 void
2275 rxvt_process_escape_seq(pR)
2276 {
2277 unsigned char ch = rxvt_cmd_getc(aR);
2278
2279 if (R->PrivateModes & PrivMode_vt52) {
2280 rxvt_process_escape_vt52(aR_ ch);
2281 return;
2282 }
2283
2284 switch (ch) {
2285 /* case 1: do_tek_mode (); break; */
2286 case '#':
2287 if (rxvt_cmd_getc(aR) == '8')
2288 rxvt_scr_E(aR);
2289 break;
2290 case '(':
2291 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2292 break;
2293 case ')':
2294 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2295 break;
2296 case '*':
2297 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2298 break;
2299 case '+':
2300 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2301 break;
2302 #ifdef MULTICHAR_SET
2303 case '$':
2304 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2305 break;
2306 #endif
2307 #ifndef NO_FRILLS
2308 case '6':
2309 rxvt_scr_backindex(aR);
2310 break;
2311 #endif
2312 case '7':
2313 rxvt_scr_cursor(aR_ SAVE);
2314 break;
2315 case '8':
2316 rxvt_scr_cursor(aR_ RESTORE);
2317 break;
2318 #ifndef NO_FRILLS
2319 case '9':
2320 rxvt_scr_forwardindex(aR);
2321 break;
2322 #endif
2323 case '=':
2324 case '>':
2325 PrivMode((ch == '='), PrivMode_aplKP);
2326 break;
2327
2328 case C1_40:
2329 rxvt_cmd_getc(aR);
2330 break;
2331 case C1_44:
2332 rxvt_scr_index(aR_ UP);
2333 break;
2334
2335 /* 8.3.87: NEXT LINE */
2336 case C1_NEL: /* ESC E */
2337 {
2338 uint32_t nlcr[] = { '\n', '\r' };
2339 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2340 }
2341 break;
2342
2343 /* kidnapped escape sequence: Should be 8.3.48 */
2344 case C1_ESA: /* ESC G */
2345 rxvt_process_graphics(aR);
2346 break;
2347
2348 /* 8.3.63: CHARACTER TABULATION SET */
2349 case C1_HTS: /* ESC H */
2350 rxvt_scr_set_tab(aR_ 1);
2351 break;
2352
2353 /* 8.3.105: REVERSE LINE FEED */
2354 case C1_RI: /* ESC M */
2355 rxvt_scr_index(aR_ DN);
2356 break;
2357
2358 /* 8.3.142: SINGLE-SHIFT TWO */
2359 /*case C1_SS2: scr_single_shift (2); break; */
2360
2361 /* 8.3.143: SINGLE-SHIFT THREE */
2362 /*case C1_SS3: scr_single_shift (3); break; */
2363
2364 /* 8.3.27: DEVICE CONTROL STRING */
2365 case C1_DCS: /* ESC P */
2366 rxvt_process_dcs_seq(aR);
2367 break;
2368
2369 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2370 case C1_SCI: /* ESC Z */
2371 rxvt_tt_write(aR_ (const unsigned char *)ESCZ_ANSWER,
2372 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2373 break; /* steal obsolete ESC [ c */
2374
2375 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2376 case C1_CSI: /* ESC [ */
2377 rxvt_process_csi_seq(aR);
2378 break;
2379
2380 /* 8.3.90: OPERATING SYSTEM COMMAND */
2381 case C1_OSC: /* ESC ] */
2382 rxvt_process_osc_seq(aR);
2383 break;
2384
2385 /* 8.3.106: RESET TO INITIAL STATE */
2386 case 'c':
2387 rxvt_scr_poweron(aR);
2388 rxvt_scrollbar_show(aR_ 1);
2389 break;
2390
2391 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2392 case 'n':
2393 rxvt_scr_charset_choose(aR_ 2);
2394 break;
2395
2396 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2397 case 'o':
2398 rxvt_scr_charset_choose(aR_ 3);
2399 break;
2400 }
2401 }
2402 /*}}} */
2403
2404 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2405 /* *INDENT-OFF* */
2406 enum {
2407 CSI_ICH = 0x40,
2408 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2409 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2410 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2411 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2412 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2413 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2414 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2415 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2416 };
2417
2418 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2419 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2420 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2421 #define get_byte_array_bit(array, bit) \
2422 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2423
2424 const unsigned char csi_defaults[] = {
2425 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2426 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2427 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2428 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2429 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2430 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2431 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2432 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2433 };
2434 /* *INDENT-ON* */
2435
2436 /* INTPROTO */
2437 void
2438 rxvt_process_csi_seq(pR)
2439 {
2440 unsigned char ch, priv, i;
2441 unsigned int nargs, p;
2442 int n, ndef;
2443 int arg[ESC_ARGS];
2444
2445 for (nargs = ESC_ARGS; nargs > 0;)
2446 arg[--nargs] = 0;
2447
2448 priv = 0;
2449 ch = rxvt_cmd_getc(aR);
2450 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2451 priv = ch;
2452 ch = rxvt_cmd_getc(aR);
2453 }
2454 /* read any numerical arguments */
2455 for (n = -1; ch < CSI_ICH; ) {
2456 if (isdigit(ch)) {
2457 if (n < 0)
2458 n = ch - '0';
2459 else
2460 n = n * 10 + ch - '0';
2461 } else if (ch == ';') {
2462 if (nargs < ESC_ARGS)
2463 arg[nargs++] = n;
2464 n = -1;
2465 } else if (ch == '\b') {
2466 rxvt_scr_backspace(aR);
2467 } else if (ch == C0_ESC) {
2468 rxvt_process_escape_seq(aR);
2469 return;
2470 } else if (ch < ' ') {
2471 rxvt_process_nonprinting(aR_ ch);
2472 }
2473 ch = rxvt_cmd_getc(aR);
2474 }
2475
2476 if (ch > CSI_7F)
2477 return;
2478
2479 if (nargs < ESC_ARGS)
2480 arg[nargs++] = n;
2481
2482 i = ch - CSI_ICH;
2483 ndef = get_byte_array_bit(csi_defaults, i);
2484 for (p = 0; p < nargs; p++)
2485 if (arg[p] == -1)
2486 arg[p] = ndef;
2487
2488 #ifdef DEBUG_CMD
2489 fprintf(stderr, "CSI ");
2490 for (p = 0; p < nargs; p++)
2491 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2492 fprintf(stderr, "%c\n", ch);
2493 #endif
2494
2495 /*
2496 * private mode handling
2497 */
2498 if (priv) {
2499 switch (priv) {
2500 case '>':
2501 if (ch == CSI_DA) /* secondary device attributes */
2502 rxvt_tt_printf(aR_ "\033[>%d;%-.8s;0c", 'R', VSTRING);
2503 break;
2504 case '?':
2505 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2506 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2507 break;
2508 }
2509 return;
2510 }
2511
2512 switch (ch) {
2513 /*
2514 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2515 */
2516 #ifdef PRINTPIPE
2517 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2518 switch (arg[0]) {
2519 case 0: /* initiate transfer to primary aux device */
2520 rxvt_scr_printscreen(aR_ 0);
2521 break;
2522 case 5: /* start relay to primary aux device */
2523 rxvt_process_print_pipe(aR);
2524 break;
2525 }
2526 break;
2527 #endif
2528
2529 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2530 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2531 arg[0] = -arg[0];
2532 /* FALLTHROUGH */
2533 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2534 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2535 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2536 break;
2537
2538 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2539 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2540 #ifdef ISO6429
2541 arg[0] = -arg[0];
2542 #else /* emulate common DEC VTs */
2543 arg[0] = arg[0] ? -arg[0] : -1;
2544 #endif
2545 /* FALLTHROUGH */
2546 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2547 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2548 #ifdef ISO6429
2549 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2550 #else /* emulate common DEC VTs */
2551 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2552 #endif
2553 break;
2554
2555 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2556 arg[0] = -arg[0];
2557 /* FALLTHROUGH */
2558 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2559 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2560 break;
2561
2562 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2563 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2564 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2565 break;
2566
2567 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2568 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2569 break;
2570
2571 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2572 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2573 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2574 break;
2575
2576 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2577 arg[0] = -arg[0];
2578 /* FALLTHROUGH */
2579 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2580 rxvt_scr_tab(aR_ arg[0]);
2581 break;
2582
2583 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2584 rxvt_scr_erase_screen(aR_ arg[0]);
2585 break;
2586
2587 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2588 rxvt_scr_erase_line(aR_ arg[0]);
2589 break;
2590
2591 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2592 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2593 break;
2594
2595 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2596 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2597 break;
2598
2599 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2600 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2601 break;
2602
2603 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2604 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2605 break;
2606
2607 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2608 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2609 break;
2610
2611 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2612 arg[0] = -arg[0];
2613 /* FALLTHROUGH */
2614 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2615 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2616 break;
2617
2618 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2619 rxvt_tt_write(aR_ (const unsigned char *)VT100_ANS,
2620 (unsigned int)(sizeof(VT100_ANS) - 1));
2621 break;
2622
2623 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2624 rxvt_process_sgr_mode(aR_ nargs, arg);
2625 break;
2626
2627 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2628 switch (arg[0]) {
2629 case 5: /* DSR requested */
2630 rxvt_tt_printf(aR_ "\033[0n");
2631 break;
2632 case 6: /* CPR requested */
2633 rxvt_scr_report_position(aR);
2634 break;
2635 #if defined (ENABLE_DISPLAY_ANSWER)
2636 case 7: /* unofficial extension */
2637 rxvt_tt_printf(aR_ "%-.250s\n", R->rs[Rs_display_name]);
2638 break;
2639 #endif
2640 case 8: /* unofficial extension */
2641 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2642 break;
2643 }
2644 break;
2645
2646 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2647 switch (arg[0]) {
2648 case 0: /* char tab stop cleared at active position */
2649 rxvt_scr_set_tab(aR_ 0);
2650 break;
2651 /* case 1: */ /* line tab stop cleared in active line */
2652 /* case 2: */ /* char tab stops cleared in active line */
2653 case 3: /* all char tab stops are cleared */
2654 /* case 4: */ /* all line tab stops are cleared */
2655 case 5: /* all tab stops are cleared */
2656 rxvt_scr_set_tab(aR_ -1);
2657 break;
2658 }
2659 break;
2660
2661 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2662 switch (arg[0]) {
2663 case 0: /* char tab stop set at active position */
2664 rxvt_scr_set_tab(aR_ 1);
2665 break; /* = ESC H */
2666 /* case 1: */ /* line tab stop set at active line */
2667 case 2: /* char tab stop cleared at active position */
2668 rxvt_scr_set_tab(aR_ 0);
2669 break; /* = ESC [ 0 g */
2670 /* case 3: */ /* line tab stop cleared at active line */
2671 /* case 4: */ /* char tab stops cleared at active line */
2672 case 5: /* all char tab stops are cleared */
2673 rxvt_scr_set_tab(aR_ -1);
2674 break; /* = ESC [ 3 g */
2675 /* case 6: */ /* all line tab stops are cleared */
2676 }
2677 break;
2678
2679 case CSI_RM: /* 8.3.107: RESET MODE */
2680 if (arg[0] == 4)
2681 rxvt_scr_insert_mode(aR_ 0);
2682 break;
2683
2684 case CSI_SM: /* 8.3.126: SET MODE */
2685 if (arg[0] == 4)
2686 rxvt_scr_insert_mode(aR_ 1);
2687 break;
2688
2689 /*
2690 * PRIVATE USE beyond this point. All CSI_7? sequences here
2691 */
2692 case CSI_72: /* DECSTBM: set top and bottom margins */
2693 if (nargs == 1)
2694 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2695 else if (nargs == 0 || arg[0] >= arg[1])
2696 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2697 else
2698 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2699 break;
2700
2701 case CSI_73:
2702 rxvt_scr_cursor(aR_ SAVE);
2703 break;
2704 case CSI_75:
2705 rxvt_scr_cursor(aR_ RESTORE);
2706 break;
2707
2708 #ifndef NO_FRILLS
2709 case CSI_74:
2710 rxvt_process_window_ops(aR_ arg, nargs);
2711 break;
2712 #endif
2713
2714 case CSI_78: /* DECREQTPARM */
2715 if (arg[0] == 0 || arg[0] == 1)
2716 rxvt_tt_printf(aR_ "\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2717 /* FALLTHROUGH */
2718
2719 default:
2720 break;
2721 }
2722 }
2723 /*}}} */
2724
2725 #ifndef NO_FRILLS
2726 /* ARGSUSED */
2727 /* INTPROTO */
2728 void
2729 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2730 {
2731 int x, y;
2732 #if 0
2733 char *s;
2734 #endif
2735 XWindowAttributes wattr;
2736 Window wdummy;
2737
2738 if (nargs == 0)
2739 return;
2740 switch (args[0]) {
2741 /*
2742 * commands
2743 */
2744 case 1: /* deiconify window */
2745 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2746 break;
2747 case 2: /* iconify window */
2748 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2749 DefaultScreen(R->Xdisplay));
2750 break;
2751 case 3: /* set position (pixels) */
2752 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2753 break;
2754 case 4: /* set size (pixels) */
2755 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2756 break;
2757 case 5: /* raise window */
2758 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2759 break;
2760 case 6: /* lower window */
2761 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2762 break;
2763 case 7: /* refresh window */
2764 rxvt_scr_touch(aR_ True);
2765 break;
2766 case 8: /* set size (chars) */
2767 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2768 (unsigned int)(args[1] * R->TermWin.fheight));
2769 break;
2770 default:
2771 if (args[0] >= 24) /* set height (chars) */
2772 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2773 (unsigned int)(args[1] * R->TermWin.fheight));
2774 break;
2775 /*
2776 * reports - some output format copied from XTerm
2777 */
2778 case 11: /* report window state */
2779 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2780 rxvt_tt_printf(aR_ "\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2781 break;
2782 case 13: /* report window position */
2783 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2784 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2785 -wattr.border_width, -wattr.border_width,
2786 &x, &y, &wdummy);
2787 rxvt_tt_printf(aR_ "\033[3;%d;%dt", x, y);
2788 break;
2789 case 14: /* report window size (pixels) */
2790 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2791 rxvt_tt_printf(aR_ "\033[4;%d;%dt", wattr.height, wattr.width);
2792 break;
2793 case 18: /* report window size (chars) */
2794 rxvt_tt_printf(aR_ "\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2795 break;
2796 #if 0 /* XXX: currently disabled due to security concerns */
2797 case 20: /* report icon label */
2798 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2799 rxvt_tt_printf(aR_ "\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2800 break;
2801 case 21: /* report window title */
2802 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2803 rxvt_tt_printf(aR_ "\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2804 break;
2805 #endif
2806 }
2807 }
2808 #endif
2809
2810 /*----------------------------------------------------------------------*/
2811 /*
2812 * get input up until STRING TERMINATOR (or BEL)
2813 * ends_how is terminator used. returned input must be free()d
2814 */
2815 /* INTPROTO */
2816 unsigned char *
2817 rxvt_get_to_st(pR_ unsigned char *ends_how)
2818 {
2819 int seen_esc = 0; /* seen escape? */
2820 unsigned int n = 0;
2821 unsigned char *s;
2822 unsigned char ch, string[STRING_MAX];
2823
2824 for (; (ch = rxvt_cmd_getc(aR));) {
2825 if (ch == C0_BEL
2826 || ch == CHAR_ST
2827 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2828 break;
2829 if (ch == C0_ESC) {
2830 seen_esc = 1;
2831 continue;
2832 } else if (ch == '\t')
2833 ch = ' '; /* translate '\t' to space */
2834 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2835 return NULL; /* other control character - exit */
2836 if (n < sizeof(string) - 1)
2837 string[n++] = ch;
2838 seen_esc = 0;
2839 }
2840 string[n++] = '\0';
2841 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2842 return NULL;
2843 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2844 STRNCPY(s, string, n);
2845 return s;
2846 }
2847
2848 /*----------------------------------------------------------------------*/
2849 /*
2850 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2851 */
2852 /* INTPROTO */
2853 void
2854 rxvt_process_dcs_seq(pR)
2855 {
2856 unsigned char eh, *s;
2857 /*
2858 * Not handled yet
2859 */
2860 s = rxvt_get_to_st(aR_ &eh);
2861 if (s)
2862 free(s);
2863 return;
2864 }
2865
2866 /*----------------------------------------------------------------------*/
2867 /*
2868 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2869 */
2870 /* INTPROTO */
2871 void
2872 rxvt_process_osc_seq(pR)
2873 {
2874 unsigned char ch, eh, *s;
2875 int arg;
2876
2877 ch = rxvt_cmd_getc(aR);
2878 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2879 arg = arg * 10 + (ch - '0');
2880
2881 if (ch == ';') {
2882 s = rxvt_get_to_st(aR_ &eh);
2883 if (s) {
2884 /*
2885 * rxvt_menubar_dispatch() violates the constness of the string,
2886 * so do it here
2887 */
2888 if (arg == XTerm_Menu)
2889 #if 0 /* XXX: currently disabled due to security concerns */
2890 rxvt_menubar_dispatch(aR_ (char *)s);
2891 #else
2892 0;
2893 #endif
2894 else
2895 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2896 free(s);
2897 }
2898 }
2899 }
2900 /*
2901 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2902 * 0 = change iconName/title
2903 * 1 = change iconName
2904 * 2 = change title
2905 * 4 = change color
2906 * 12 = change text color
2907 * 13 = change mouse foreground color
2908 * 17 = change highlight character colour
2909 * 18 = change bold character color
2910 * 19 = change underlined character color
2911 * 46 = change logfile (not implemented)
2912 * 50 = change font
2913 *
2914 * rxvt extensions:
2915 * 10 = menu (may change in future)
2916 * 20 = bg pixmap
2917 * 39 = change default fg color
2918 * 49 = change default bg color
2919 * 55 = dump scrollback buffer and all of screen
2920 */
2921 /* EXTPROTO */
2922 void
2923 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2924 {
2925 int changed = 0;
2926 int color;
2927 char *buf, *name;
2928
2929 assert(str != NULL);
2930 switch (op) {
2931 case XTerm_name:
2932 rxvt_set_title(aR_ str);
2933 /* FALLTHROUGH */
2934 case XTerm_iconName:
2935 rxvt_set_iconName(aR_ str);
2936 break;
2937 case XTerm_title:
2938 rxvt_set_title(aR_ str);
2939 break;
2940 case XTerm_Color:
2941 for (buf = (char *)str; buf && *buf;) {
2942 if ((name = STRCHR(buf, ';')) == NULL)
2943 break;
2944 *name++ = '\0';
2945 color = atoi(buf);
2946 if (color < 0 || color >= TOTAL_COLORS)
2947 break;
2948 if ((buf = STRCHR(name, ';')) != NULL)
2949 *buf++ = '\0';
2950 rxvt_set_window_color(aR_ color + minCOLOR, name);
2951 }
2952 break;
2953 #ifndef NO_CURSORCOLOR
2954 case XTerm_Color_cursor:
2955 rxvt_set_window_color(aR_ Color_cursor, str);
2956 break;
2957 #endif
2958 case XTerm_Color_pointer:
2959 rxvt_set_window_color(aR_ Color_pointer, str);
2960 break;
2961 #ifndef NO_BOLD_UNDERLINE_REVERSE
2962 case XTerm_Color_BD:
2963 rxvt_set_window_color(aR_ Color_BD, str);
2964 break;
2965 case XTerm_Color_UL:
2966 rxvt_set_window_color(aR_ Color_UL, str);
2967 break;
2968 case XTerm_Color_RV:
2969 rxvt_set_window_color(aR_ Color_RV, str);
2970 break;
2971 #endif
2972
2973 case XTerm_Menu:
2974 /*
2975 * rxvt_menubar_dispatch() violates the constness of the string,
2976 * so DON'T do it here
2977 */
2978 break;
2979 case XTerm_Pixmap:
2980 if (*str != ';') {
2981 #if XPM_BACKGROUND
2982 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2983 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2984 #endif
2985 rxvt_scr_touch(aR_ True);
2986 }
2987 while ((str = STRCHR(str, ';')) != NULL) {
2988 str++;
2989 #if XPM_BACKGROUND
2990 changed += rxvt_scale_pixmap(aR_ str);
2991 #endif
2992 }
2993 if (changed) {
2994 #ifdef XPM_BACKGROUND
2995 rxvt_resize_pixmap(aR);
2996 #endif
2997 rxvt_scr_touch(aR_ True);
2998 }
2999 break;
3000
3001 case XTerm_restoreFG:
3002 rxvt_set_window_color(aR_ Color_fg, str);
3003 break;
3004 case XTerm_restoreBG:
3005 rxvt_set_window_color(aR_ Color_bg, str);
3006 break;
3007 case XTerm_logfile:
3008 break;
3009 case XTerm_font:
3010 rxvt_change_font(aR_ 0, str);
3011 break;
3012 #if 0
3013 case XTerm_dumpscreen: /* no error notices */
3014 {
3015 int fd;
3016 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
3017 rxvt_scr_dump(aR_ fd);
3018 close(fd);
3019 }
3020 }
3021 break;
3022 #endif
3023 }
3024 }
3025 /*----------------------------------------------------------------------*/
3026
3027 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
3028 /*
3029 * mode can only have the following values:
3030 * 'l' = low
3031 * 'h' = high
3032 * 's' = save
3033 * 'r' = restore
3034 * 't' = toggle
3035 * so no need for fancy checking
3036 */
3037 /* INTPROTO */
3038 int
3039 rxvt_privcases(pR_ int mode, unsigned long bit)
3040 {
3041 int state;
3042
3043 if (mode == 's') {
3044 R->SavedModes |= (R->PrivateModes & bit);
3045 return -1;
3046 } else {
3047 if (mode == 'r')
3048 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */
3049 else
3050 state = (mode == 't') ? !(R->PrivateModes & bit) : mode;
3051 PrivMode(state, bit);
3052 }
3053 return state;
3054 }
3055
3056 /* we're not using priv _yet_ */
3057 /* INTPROTO */
3058 void
3059 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3060 {
3061 unsigned int i, j;
3062 int state;
3063 static const struct {
3064 const int argval;
3065 const unsigned long bit;
3066 } argtopriv[] = {
3067 { 1, PrivMode_aplCUR },
3068 { 2, PrivMode_vt52 },
3069 { 3, PrivMode_132 },
3070 { 4, PrivMode_smoothScroll },
3071 { 5, PrivMode_rVideo },
3072 { 6, PrivMode_relOrigin },
3073 { 7, PrivMode_Autowrap },
3074 { 9, PrivMode_MouseX10 },
3075 #ifdef menuBar_esc
3076 { menuBar_esc, PrivMode_menuBar },
3077 #endif
3078 #ifdef scrollBar_esc
3079 { scrollBar_esc, PrivMode_scrollBar },
3080 #endif
3081 { 25, PrivMode_VisibleCursor },
3082 { 35, PrivMode_ShiftKeys },
3083 { 40, PrivMode_132OK },
3084 { 47, PrivMode_Screen },
3085 { 66, PrivMode_aplKP },
3086 #ifndef NO_BACKSPACE_KEY
3087 { 67, PrivMode_BackSpace },
3088 #endif
3089 { 1000, PrivMode_MouseX11 },
3090 { 1010, PrivMode_TtyOutputInh },
3091 { 1011, PrivMode_Keypress },
3092 { 1047, PrivMode_Screen },
3093 };
3094
3095 if (nargs == 0)
3096 return;
3097
3098 /* make lo/hi boolean */
3099 if (mode == 'l')
3100 mode = 0; /* reset */
3101 else if (mode == 'h')
3102 mode = 1; /* set */
3103
3104 for (i = 0; i < nargs; i++) {
3105 state = -1;
3106
3107 /* basic handling */
3108 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3109 if (argtopriv[j].argval == arg[i]) {
3110 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3111 break;
3112 }
3113
3114 /* extra handling for values with state unkept */
3115 if (state == -1)
3116 switch (arg[i]) {
3117 case 1048: /* alternative cursor save */
3118 if (mode == 0)
3119 rxvt_scr_cursor(aR_ RESTORE);
3120 else if (mode == 1)
3121 rxvt_scr_cursor(aR_ SAVE);
3122 /* FALLTHROUGH */
3123 default:
3124 continue; /* for(;i;) */
3125 }
3126
3127 /* extra handling for values with valid 0 or 1 state */
3128 switch (arg[i]) {
3129 /* case 1: - application cursor keys */
3130 case 2: /* VT52 mode */
3131 /* oddball mode. should be set regardless of set/reset
3132 * parameter. Return from VT52 mode with an ESC < from
3133 * within VT52 mode
3134 */
3135 PrivMode(1, PrivMode_vt52);
3136 break;
3137 case 3: /* 80/132 */
3138 if (R->PrivateModes & PrivMode_132OK)
3139 rxvt_set_widthheight(aR_
3140 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3141 (unsigned int)R->TermWin.height);
3142 break;
3143 case 4: /* smooth scrolling */
3144 if (state)
3145 R->Options &= ~Opt_jumpScroll;
3146 else
3147 R->Options |= Opt_jumpScroll;
3148 break;
3149 case 5: /* reverse video */
3150 rxvt_scr_rvideo_mode(aR_ state);
3151 break;
3152 case 6: /* relative/absolute origins */
3153 rxvt_scr_relative_origin(aR_ state);
3154 break;
3155 case 7: /* autowrap */
3156 rxvt_scr_autowrap(aR_ state);
3157 break;
3158 /* case 8: - auto repeat, can't do on a per window basis */
3159 case 9: /* X10 mouse reporting */
3160 if (state) /* orthogonal */
3161 R->PrivateModes &= ~(PrivMode_MouseX11);
3162 break;
3163 #ifdef menuBar_esc
3164 case menuBar_esc:
3165 #ifdef MENUBAR
3166 rxvt_map_menuBar(aR_ state);
3167 #endif
3168 break;
3169 #endif
3170 #ifdef scrollBar_esc
3171 case scrollBar_esc:
3172 if (rxvt_scrollbar_mapping(aR_ state)) {
3173 rxvt_resize_all_windows(aR_ 0, 0, 0);
3174 rxvt_scr_touch(aR_ True);
3175 }
3176 break;
3177 #endif
3178 case 25: /* visible/invisible cursor */
3179 rxvt_scr_cursor_visible(aR_ state);
3180 break;
3181 /* case 35: - shift keys */
3182 /* case 40: - 80 <--> 132 mode */
3183 case 47: /* secondary screen */
3184 rxvt_scr_change_screen(aR_ state);
3185 break;
3186 /* case 66: - application key pad */
3187 /* case 67: - backspace key */
3188 case 1000: /* X11 mouse reporting */
3189 if (state) /* orthogonal */
3190 R->PrivateModes &= ~(PrivMode_MouseX10);
3191 break;
3192 #if 0
3193 case 1001:
3194 break; /* X11 mouse highlighting */
3195 #endif
3196 case 1010: /* scroll to bottom on TTY output inhibit */
3197 if (state)
3198 R->Options &= ~Opt_scrollTtyOutput;
3199 else
3200 R->Options |= Opt_scrollTtyOutput;
3201 break;
3202 case 1011: /* scroll to bottom on key press */
3203 if (state)
3204 R->Options |= Opt_scrollTtyKeypress;
3205 else
3206 R->Options &= ~Opt_scrollTtyKeypress;
3207 break;
3208 case 1047: /* secondary screen w/ clearing */
3209 if (R->current_screen != PRIMARY)
3210 rxvt_scr_erase_screen(aR_ 2);
3211 rxvt_scr_change_screen(aR_ state);
3212 /* FALLTHROUGH */
3213 default:
3214 break;
3215 }
3216 }
3217 }
3218 /*}}} */
3219
3220 /*{{{ process sgr sequences */
3221 /* INTPROTO */
3222 void
3223 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3224 {
3225 unsigned int i;
3226 short rendset;
3227 int rendstyle;
3228
3229 if (nargs == 0) {
3230 rxvt_scr_rendition(aR_ 0, ~RS_None);
3231 return;
3232 }
3233 for (i = 0; i < nargs; i++) {
3234 rendset = -1;
3235 switch (arg[i]) {
3236 case 0:
3237 rendset = 0, rendstyle = ~RS_None;
3238 break;
3239 case 1:
3240 rendset = 1, rendstyle = RS_Bold;
3241 break;
3242 case 4:
3243 rendset = 1, rendstyle = RS_Uline;
3244 break;
3245 case 5:
3246 rendset = 1, rendstyle = RS_Blink;
3247 break;
3248 case 7:
3249 rendset = 1, rendstyle = RS_RVid;
3250 break;
3251 case 22:
3252 rendset = 0, rendstyle = RS_Bold;
3253 break;
3254 case 24:
3255 rendset = 0, rendstyle = RS_Uline;
3256 break;
3257 case 25:
3258 rendset = 0, rendstyle = RS_Blink;
3259 break;
3260 case 27:
3261 rendset = 0, rendstyle = RS_RVid;
3262 break;
3263 }
3264 if (rendset != -1) {
3265 rxvt_scr_rendition(aR_ rendset, rendstyle);
3266 continue; /* for(;i;) */
3267 }
3268
3269 switch (arg[i]) {
3270 case 30:
3271 case 31: /* set fg color */
3272 case 32:
3273 case 33:
3274 case 34:
3275 case 35:
3276 case 36:
3277 case 37:
3278 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3279 Color_fg);
3280 break;
3281 #ifdef TTY_256COLOR
3282 case 38:
3283 if (nargs > i + 2 && arg[i + 1] == 5) {
3284 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3285 Color_fg);
3286 i += 2;
3287 }
3288 break;
3289 #endif
3290 case 39: /* default fg */
3291 rxvt_scr_color(aR_ Color_fg, Color_fg);
3292 break;
3293
3294 case 40:
3295 case 41: /* set bg color */
3296 case 42:
3297 case 43:
3298 case 44:
3299 case 45:
3300 case 46:
3301 case 47:
3302 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3303 Color_bg);
3304 break;
3305 #ifdef TTY_256COLOR
3306 case 48:
3307 if (nargs > i + 2 && arg[i + 1] == 5) {
3308 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3309 Color_bg);
3310 i += 2;
3311 }
3312 break;
3313 #endif
3314 case 49: /* default bg */
3315 rxvt_scr_color(aR_ Color_bg, Color_bg);
3316 break;
3317
3318 #ifndef NO_BRIGHTCOLOR
3319 case 90:
3320 case 91: /* set bright fg color */
3321 case 92:
3322 case 93:
3323 case 94:
3324 case 95:
3325 case 96:
3326 case 97:
3327 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3328 Color_fg);
3329 break;
3330 case 100:
3331 case 101: /* set bright bg color */
3332 case 102:
3333 case 103:
3334 case 104:
3335 case 105:
3336 case 106:
3337 case 107:
3338 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3339 Color_bg);
3340 break;
3341 #endif
3342 }
3343 }
3344 }
3345 /*}}} */
3346
3347 /*{{{ process Rob Nation's own graphics mode sequences */
3348 /* INTPROTO */
3349 void
3350 rxvt_process_graphics(pR)
3351 {
3352 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3353
3354 #ifndef RXVT_GRAPHICS
3355 if (cmd == 'Q') { /* query graphics */
3356 rxvt_tt_printf(aR_ "\033G0\n"); /* no graphics */
3357 return;
3358 }
3359 /* swallow other graphics sequences until terminating ':' */
3360 do
3361 ch = rxvt_cmd_getc(aR);
3362 while (ch != ':');
3363 #else
3364 unsigned int nargs;
3365 int args[NGRX_PTS];
3366 unsigned char *text = NULL;
3367
3368 if (cmd == 'Q') { /* query graphics */
3369 rxvt_tt_printf(aR_ "\033G1\n"); /* yes, graphics (color) */
3370 return;
3371 }
3372 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3373 int neg;
3374
3375 ch = rxvt_cmd_getc(aR);
3376 neg = (ch == '-');
3377 if (neg || ch == '+')
3378 ch = rxvt_cmd_getc(aR);
3379
3380 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3381 args[nargs] = args[nargs] * 10 + (ch - '0');
3382 if (neg)
3383 args[nargs] = -args[nargs];
3384
3385 nargs++;
3386 args[nargs] = 0;
3387 if (ch != ';')
3388 break;
3389 }
3390
3391 if ((cmd == 'T') && (nargs >= 5)) {
3392 int i, len = args[4];
3393
3394 text = rxvt_malloc((len + 1) * sizeof(char));
3395
3396 if (text != NULL) {
3397 for (i = 0; i < len; i++)
3398 text[i] = rxvt_cmd_getc(aR);
3399 text[len] = '\0';
3400 }
3401 }
3402 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3403 #endif
3404 }
3405 /*}}} */
3406
3407 /* ------------------------------------------------------------------------- */
3408
3409 /*
3410 * Send printf() formatted output to the command.
3411 * Only use for small amounts of data.
3412 */
3413 /* EXTPROTO */
3414 void
3415 rxvt_tt_printf(pR_ const char *fmt,...)
3416 {
3417 va_list arg_ptr;
3418 unsigned char buf[256];
3419
3420 va_start(arg_ptr, fmt);
3421 vsprintf((char *)buf, fmt, arg_ptr);
3422 va_end(arg_ptr);
3423 rxvt_tt_write(aR_ buf, (unsigned int)STRLEN(buf));
3424 }
3425
3426 /* ---------------------------------------------------------------------- */
3427 /* Addresses pasting large amounts of data and rxvt hang
3428 * code pinched from xterm (v_write()) and applied originally to
3429 * rxvt-2.18 - Hops
3430 * Write data to the pty as typed by the user, pasted with the mouse,
3431 * or generated by us in response to a query ESC sequence.
3432 */
3433 /* EXTPROTO */
3434 void
3435 rxvt_tt_write(pR_ const unsigned char *d, unsigned int len)
3436 {
3437 #define MAX_PTY_WRITE 256 /* POSIX minimum MAX_INPUT */
3438 int riten;
3439 unsigned int p;
3440 unsigned char *v_buffer, /* start of physical buffer */
3441 *v_bufstr, /* start of current buffer pending */
3442 *v_bufptr, /* end of current buffer pending */
3443 *v_bufend; /* end of physical buffer */
3444
3445 if (R->v_bufstr == NULL && len > 0) {
3446 p = (len / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3447 v_buffer = v_bufstr = v_bufptr = (unsigned char *)rxvt_malloc(p);
3448 v_bufend = v_buffer + p;
3449 } else {
3450 v_buffer = R->v_buffer;
3451 v_bufstr = R->v_bufstr;
3452 v_bufptr = R->v_bufptr;
3453 v_bufend = R->v_bufend;
3454 }
3455
3456 /*
3457 * Append to the block we already have. Always doing this simplifies the
3458 * code, and isn't too bad, either. If this is a short block, it isn't
3459 * too expensive, and if this is a long block, we won't be able to write
3460 * it all anyway.
3461 */
3462 if (len > 0) {
3463 if (v_bufend < v_bufptr + len) { /* run out of room */
3464 if (v_bufstr != v_buffer) {
3465 /* there is unused space, move everything down */
3466 MEMMOVE(v_buffer, v_bufstr,
3467 (unsigned int)(v_bufptr - v_bufstr));
3468 v_bufptr -= v_bufstr - v_buffer;
3469 v_bufstr = v_buffer;
3470 }
3471 if (v_bufend < v_bufptr + len) {
3472 /* still won't fit: get more space */
3473 /* use most basic realloc because an error is not fatal. */
3474 unsigned int size = v_bufptr - v_buffer;
3475 unsigned int reallocto;
3476
3477 reallocto = ((size + len) / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3478 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3479 /* save across realloc */
3480 if (v_buffer) {
3481 v_bufstr = v_buffer;
3482 v_bufptr = v_buffer + size;
3483 v_bufend = v_buffer + reallocto;
3484 } else { /* no memory: ignore entire write request */
3485 rxvt_print_error("data loss: cannot allocate buffer space");
3486 v_buffer = v_bufstr; /* restore clobbered pointer */
3487 }
3488 }
3489 }
3490 if (v_bufend >= v_bufptr + len) { /* new stuff will fit */
3491 MEMCPY(v_bufptr, d, len);
3492 v_bufptr += len;
3493 }
3494 }
3495
3496 /*
3497 * Write out as much of the buffer as we can.
3498 * Be careful not to overflow the pty's input silo.
3499 * We are conservative here and only write a small amount at a time.
3500 *
3501 * If we can't push all the data into the pty yet, we expect write
3502 * to return a non-negative number less than the length requested
3503 * (if some data written) or -1 and set errno to EAGAIN,
3504 * EWOULDBLOCK, or EINTR (if no data written).
3505 *
3506 * (Not all systems do this, sigh, so the code is actually
3507 * a little more forgiving.)
3508 */
3509 if ((p = v_bufptr - v_bufstr) > 0) {
3510 riten = write(R->cmd_fd, v_bufstr, min(p, MAX_PTY_WRITE));
3511 if (riten < 0)
3512 riten = 0;
3513 v_bufstr += riten;
3514 if (v_bufstr >= v_bufptr) /* we wrote it all */
3515 v_bufstr = v_bufptr = v_buffer;
3516 }
3517 /*
3518 * If we have lots of unused memory allocated, return it
3519 */
3520 if (v_bufend - v_bufptr > MAX_PTY_WRITE * 8) { /* arbitrary hysteresis */
3521 /* save pointers across realloc */
3522 unsigned int start = v_bufstr - v_buffer;
3523 unsigned int size = v_bufptr - v_buffer;
3524 unsigned int reallocto;
3525
3526 reallocto = (size / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3527 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3528 if (v_buffer) {
3529 v_bufstr = v_buffer + start;
3530 v_bufptr = v_buffer + size;
3531 v_bufend = v_buffer + reallocto;
3532 } else {
3533 /* should we print a warning if couldn't return memory? */
3534 v_buffer = v_bufstr - start; /* restore clobbered pointer */
3535 }
3536 }
3537 R->v_buffer = v_buffer;
3538 R->v_bufstr = v_bufstr;
3539 R->v_bufptr = v_bufptr;
3540 R->v_bufend = v_bufend;
3541 }
3542 /*----------------------- end-of-file (C source) -----------------------*/
3543