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Revision: 1.8
Committed: Wed Nov 26 10:42:34 2003 UTC (20 years, 5 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.7: +25 -19 lines
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File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.7 2003/11/25 17:34:47 pcg Exp $
5 *
6 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
10 * - extensive modifications
11 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
12 * - vt100 printing
13 * Copyright (c) 1995 Steven Hirsch <hirsch@emba.uvm.edu>
14 * - X11 mouse report mode and support for
15 * DEC "private mode" save/restore functions.
16 * Copyright (c) 1995 Jakub Jelinek <jj@gnu.ai.mit.edu>
17 * - key-related changes to handle Shift+function
18 * keys properly.
19 * Copyright (c) 1997 MJ Olesen <olesen@me.queensu.ca>
20 * - extensive modifications
21 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es>
22 * - modification and cleanups for Solaris 2.x
23 * and Linux 1.2.x
24 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
25 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
26 * - extensive modifications
27 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
28 * Copyright (c) 2001 Marius Gedminas
29 * - Ctrl/Mod4+Tab works like Meta+Tab (options)
30 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org>
31 *
32 * This program is free software; you can redistribute it and/or modify
33 * it under the terms of the GNU General Public License as published by
34 * the Free Software Foundation; either version 2 of the License, or
35 * (at your option) any later version.
36 *
37 * This program is distributed in the hope that it will be useful,
38 * but WITHOUT ANY WARRANTY; without even the implied warranty of
39 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
40 * GNU General Public License for more details.
41 *
42 * You should have received a copy of the GNU General Public License
43 * along with this program; if not, write to the Free Software
44 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 *----------------------------------------------------------------------*/
46
47 /*{{{ includes: */
48 #include "../config.h" /* NECESSARY */
49 #include "rxvt.h" /* NECESSARY */
50 #include "version.h"
51 #include "command.h"
52
53 /*----------------------------------------------------------------------*/
54
55 /*{{{ Convert the keypress event into a string */
56 /* INTPROTO */
57 void
58 rxvt_lookup_key(pR_ XKeyEvent *ev)
59 {
60 int ctrl, meta, shft, len;
61 unsigned int newlen;
62 KeySym keysym;
63 #ifdef DEBUG_CMD
64 static int debug_key = 1; /* accessible by a debugger only */
65 #endif
66 #ifdef USE_XIM
67 int valid_keysym;
68 #endif
69 unsigned char *kbuf = R->kbuf;
70
71 /*
72 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
73 * escape sequence to toggle the Keypad.
74 *
75 * Always permit `shift' to override the current setting
76 */
77 shft = (ev->state & ShiftMask);
78 ctrl = (ev->state & ControlMask);
79 meta = (ev->state & R->ModMetaMask);
80 if (R->numlock_state || (ev->state & R->ModNumLockMask)) {
81 R->numlock_state = (ev->state & R->ModNumLockMask);
82 PrivMode((!R->numlock_state), PrivMode_aplKP);
83 }
84 #ifdef USE_XIM
85 if (R->Input_Context != NULL) {
86 Status status_return;
87
88 kbuf[0] = '\0';
89 #ifdef X_HAVE_UTF8_STRING
90 len = Xutf8LookupString(R->Input_Context, ev, (char *)kbuf,
91 KBUFSZ, &keysym, &status_return);
92 #else
93 len = XmbLookupString(R->Input_Context, ev, (char *)kbuf,
94 KBUFSZ, &keysym, &status_return);
95 #endif
96 valid_keysym = ((status_return == XLookupKeySym)
97 || (status_return == XLookupBoth));
98 } else {
99 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
100 &R->compose);
101 valid_keysym = 1;
102 }
103 #else /* USE_XIM */
104 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
105 &R->compose);
106 /*
107 * map unmapped Latin[2-4]/Katakana/Arabic/Cyrillic/Greek entries -> Latin1
108 * good for installations with correct fonts, but without XLOCALE
109 */
110 if (!len) {
111 if ((keysym >= 0x0100) && (keysym < 0x0800)) {
112 kbuf[0] = (keysym & 0xFF);
113 kbuf[1] = '\0';
114 len = 1;
115 } else
116 kbuf[0] = '\0';
117 }
118 #endif /* USE_XIM */
119
120 #ifdef USE_XIM
121 if (valid_keysym)
122 #endif
123 {
124 /* for some backwards compatibility */
125 #if defined(HOTKEY_CTRL) || defined(HOTKEY_META)
126 # ifdef HOTKEY_CTRL
127 if (ctrl) {
128 # else
129 if (meta) {
130 # endif
131 if (keysym == R->ks_bigfont) {
132 rxvt_change_font(aR_ 0, FONT_UP);
133 return;
134 } else if (keysym == R->ks_smallfont) {
135 rxvt_change_font(aR_ 0, FONT_DN);
136 return;
137 }
138 }
139 #endif
140
141 if (R->TermWin.saveLines) {
142 #ifdef UNSHIFTED_SCROLLKEYS
143 if (!ctrl && !meta) {
144 #else
145 if (IS_SCROLL_MOD) {
146 #endif
147 int lnsppg;
148
149 #ifdef PAGING_CONTEXT_LINES
150 lnsppg = R->TermWin.nrow - PAGING_CONTEXT_LINES;
151 #else
152 lnsppg = R->TermWin.nrow * 4 / 5;
153 #endif
154 if (keysym == XK_Prior) {
155 rxvt_scr_page(aR_ UP, lnsppg);
156 return;
157 } else if (keysym == XK_Next) {
158 rxvt_scr_page(aR_ DN, lnsppg);
159 return;
160 }
161 }
162 #ifdef SCROLL_ON_UPDOWN_KEYS
163 if (IS_SCROLL_MOD) {
164 if (keysym == XK_Up) {
165 rxvt_scr_page(aR_ UP, 1);
166 return;
167 } else if (keysym == XK_Down) {
168 rxvt_scr_page(aR_ DN, 1);
169 return;
170 }
171 }
172 #endif
173 #ifdef SCROLL_ON_HOMEEND_KEYS
174 if (IS_SCROLL_MOD) {
175 if (keysym == XK_Home) {
176 rxvt_scr_move_to(aR_ 0, 1);
177 return;
178 } else if (keysym == XK_End) {
179 rxvt_scr_move_to(aR_ 1, 0);
180 return;
181 }
182 }
183 #endif
184 }
185
186 if (shft) {
187 /* Shift + F1 - F10 generates F11 - F20 */
188 if (keysym >= XK_F1 && keysym <= XK_F10) {
189 keysym += (XK_F11 - XK_F1);
190 shft = 0; /* turn off Shift */
191 } else if (!ctrl && !meta && (R->PrivateModes & PrivMode_ShiftKeys)) {
192 switch (keysym) {
193 /* normal XTerm key bindings */
194 case XK_Insert: /* Shift+Insert = paste mouse selection */
195 rxvt_selection_request(aR_ ev->time, 0, 0);
196 return;
197 /* rxvt extras */
198 case XK_KP_Add: /* Shift+KP_Add = bigger font */
199 rxvt_change_font(aR_ 0, FONT_UP);
200 return;
201 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
202 rxvt_change_font(aR_ 0, FONT_DN);
203 return;
204 }
205 }
206 }
207 #ifdef PRINTPIPE
208 if (keysym == XK_Print) {
209 rxvt_scr_printscreen(aR_ ctrl | shft);
210 return;
211 }
212 #endif
213 #ifdef GREEK_SUPPORT
214 if (keysym == R->ks_greekmodeswith) {
215 R->greek_mode = !R->greek_mode;
216 if (R->greek_mode) {
217 rxvt_xterm_seq(aR_ XTerm_title,
218 (greek_getmode() == GREEK_ELOT928
219 ? "[Greek: iso]" : "[Greek: ibm]"), CHAR_ST);
220 greek_reset();
221 } else
222 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
223 return;
224 }
225 #endif
226
227 if (keysym >= 0xFF00 && keysym <= 0xFFFF) {
228 #ifdef KEYSYM_RESOURCE
229 if (!(shft | ctrl) && R->Keysym_map[keysym & 0xFF] != NULL) {
230 unsigned int l;
231 const unsigned char *kbuf0;
232 const unsigned char ch = C0_ESC;
233
234 kbuf0 = (R->Keysym_map[keysym & 0xFF]);
235 l = (unsigned int)*kbuf0++;
236
237 /* escape prefix */
238 if (meta)
239 # ifdef META8_OPTION
240 if (R->meta_char == C0_ESC)
241 # endif
242 rxvt_tt_write(aR_ &ch, 1);
243 rxvt_tt_write(aR_ kbuf0, l);
244 return;
245 } else
246 #endif
247 {
248 newlen = 1;
249 switch (keysym) {
250 #ifndef NO_BACKSPACE_KEY
251 case XK_BackSpace:
252 if (R->PrivateModes & PrivMode_HaveBackSpace) {
253 kbuf[0] = (!!(R->PrivateModes & PrivMode_BackSpace)
254 ^ !!ctrl) ? '\b' : '\177';
255 kbuf[1] = '\0';
256 } else
257 STRCPY(kbuf, R->key_backspace);
258 # ifdef MULTICHAR_SET
259 if ((R->Options & Opt_mc_hack) && R->screen.cur.col > 0) {
260 int col, row;
261
262 newlen = STRLEN(kbuf);
263 col = R->screen.cur.col - 1;
264 row = R->screen.cur.row + R->TermWin.saveLines;
265 if (IS_MULTI2(R->screen.rend[row][col]))
266 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
267 }
268 # endif
269 break;
270 #endif
271 #ifndef NO_DELETE_KEY
272 case XK_Delete:
273 STRCPY(kbuf, R->key_delete);
274 # ifdef MULTICHAR_SET
275 if (R->Options & Opt_mc_hack) {
276 int col, row;
277
278 newlen = STRLEN(kbuf);
279 col = R->screen.cur.col;
280 row = R->screen.cur.row + R->TermWin.saveLines;
281 if (IS_MULTI1(R->screen.rend[row][col]))
282 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
283 }
284 # endif
285 break;
286 #endif
287 case XK_Tab:
288 if (shft)
289 STRCPY(kbuf, "\033[Z");
290 else {
291 #ifdef CTRL_TAB_MAKES_META
292 if (ctrl)
293 meta = 1;
294 #endif
295 #ifdef MOD4_TAB_MAKES_META
296 if (ev->state & Mod4Mask)
297 meta = 1;
298 #endif
299 newlen = 0;
300 }
301 break;
302
303
304 #ifdef XK_KP_Left
305 case XK_KP_Up: /* \033Ox or standard */
306 case XK_KP_Down: /* \033Or or standard */
307 case XK_KP_Right: /* \033Ov or standard */
308 case XK_KP_Left: /* \033Ot or standard */
309 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
310 STRCPY(kbuf, "\033OZ");
311 kbuf[2] = ("txvr"[keysym - XK_KP_Left]);
312 break;
313 } else
314 /* translate to std. cursor key */
315 keysym = XK_Left + (keysym - XK_KP_Left);
316 /* FALLTHROUGH */
317 #endif
318 case XK_Up: /* "\033[A" */
319 case XK_Down: /* "\033[B" */
320 case XK_Right: /* "\033[C" */
321 case XK_Left: /* "\033[D" */
322 STRCPY(kbuf, "\033[Z");
323 kbuf[2] = ("DACB"[keysym - XK_Left]);
324 /* do Shift first */
325 if (shft)
326 kbuf[2] = ("dacb"[keysym - XK_Left]);
327 else if (ctrl) {
328 kbuf[1] = 'O';
329 kbuf[2] = ("dacb"[keysym - XK_Left]);
330 } else if (R->PrivateModes & PrivMode_aplCUR)
331 kbuf[1] = 'O';
332 #ifdef MULTICHAR_SET
333 //TODO: ??
334 if (R->Options & Opt_mc_hack) {
335 int col, row, m;
336
337 col = R->screen.cur.col;
338 row = R->screen.cur.row + R->TermWin.saveLines;
339 m = 0;
340 if (keysym == XK_Right
341 && IS_MULTI1(R->screen.rend[row][col]))
342 m = 1;
343 else if (keysym == XK_Left) {
344 if (col > 0) {
345 if (IS_MULTI2(R->screen.rend[row][col - 1]))
346 m = 1;
347 } else if (R->screen.cur.row > 0) {
348 col = R->screen.tlen[--row];
349 if (col == -1)
350 col = R->TermWin.ncol - 1;
351 else
352 col--;
353 if (col > 0
354 && IS_MULTI2(R->screen.rend[row][col]))
355 m = 1;
356 }
357 }
358 if (m)
359 MEMMOVE(kbuf + 3, kbuf, 3 + 1);
360 }
361 #endif
362 break;
363
364 #ifndef UNSHIFTED_SCROLLKEYS
365 # ifdef XK_KP_Prior
366 case XK_KP_Prior:
367 /* allow shift to override */
368 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
369 STRCPY(kbuf, "\033Oy");
370 break;
371 }
372 /* FALLTHROUGH */
373 # endif
374 case XK_Prior:
375 STRCPY(kbuf, "\033[5~");
376 break;
377 # ifdef XK_KP_Next
378 case XK_KP_Next:
379 /* allow shift to override */
380 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
381 STRCPY(kbuf, "\033Os");
382 break;
383 }
384 /* FALLTHROUGH */
385 # endif
386 case XK_Next:
387 STRCPY(kbuf, "\033[6~");
388 break;
389 #endif
390 case XK_KP_Enter:
391 /* allow shift to override */
392 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
393 STRCPY(kbuf, "\033OM");
394 } else {
395 kbuf[0] = '\r';
396 kbuf[1] = '\0';
397 }
398 break;
399
400 #ifdef XK_KP_Begin
401 case XK_KP_Begin:
402 STRCPY(kbuf, "\033Ou");
403 break;
404
405 case XK_KP_Insert:
406 STRCPY(kbuf, "\033Op");
407 break;
408
409 case XK_KP_Delete:
410 STRCPY(kbuf, "\033On");
411 break;
412 #endif
413 case XK_KP_F1: /* "\033OP" */
414 case XK_KP_F2: /* "\033OQ" */
415 case XK_KP_F3: /* "\033OR" */
416 case XK_KP_F4: /* "\033OS" */
417 STRCPY(kbuf, "\033OP");
418 kbuf[2] += (keysym - XK_KP_F1);
419 break;
420
421 case XK_KP_Multiply: /* "\033Oj" : "*" */
422 case XK_KP_Add: /* "\033Ok" : "+" */
423 case XK_KP_Separator: /* "\033Ol" : "," */
424 case XK_KP_Subtract: /* "\033Om" : "-" */
425 case XK_KP_Decimal: /* "\033On" : "." */
426 case XK_KP_Divide: /* "\033Oo" : "/" */
427 case XK_KP_0: /* "\033Op" : "0" */
428 case XK_KP_1: /* "\033Oq" : "1" */
429 case XK_KP_2: /* "\033Or" : "2" */
430 case XK_KP_3: /* "\033Os" : "3" */
431 case XK_KP_4: /* "\033Ot" : "4" */
432 case XK_KP_5: /* "\033Ou" : "5" */
433 case XK_KP_6: /* "\033Ov" : "6" */
434 case XK_KP_7: /* "\033Ow" : "7" */
435 case XK_KP_8: /* "\033Ox" : "8" */
436 case XK_KP_9: /* "\033Oy" : "9" */
437 /* allow shift to override */
438 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
439 STRCPY(kbuf, "\033Oj");
440 kbuf[2] += (keysym - XK_KP_Multiply);
441 } else {
442 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
443 kbuf[1] = '\0';
444 }
445 break;
446
447 case XK_Find:
448 STRCPY(kbuf, "\033[1~");
449 break;
450 case XK_Insert:
451 STRCPY(kbuf, "\033[2~");
452 break;
453 #ifdef DXK_Remove /* support for DEC remove like key */
454 case DXK_Remove:
455 /* FALLTHROUGH */
456 #endif
457 case XK_Execute:
458 STRCPY(kbuf, "\033[3~");
459 break;
460 case XK_Select:
461 STRCPY(kbuf, "\033[4~");
462 break;
463 #ifdef XK_KP_End
464 case XK_KP_End:
465 /* allow shift to override */
466 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
467 STRCPY(kbuf, "\033Oq");
468 break;
469 }
470 /* FALLTHROUGH */
471 #endif
472 case XK_End:
473 STRCPY(kbuf, KS_END);
474 break;
475 #ifdef XK_KP_Home
476 case XK_KP_Home:
477 /* allow shift to override */
478 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
479 STRCPY(kbuf, "\033Ow");
480 break;
481 }
482 /* FALLTHROUGH */
483 #endif
484 case XK_Home:
485 STRCPY(kbuf, KS_HOME);
486 break;
487
488 #define FKEY(n, fkey) \
489 sprintf((char *)kbuf,"\033[%2d~", (int)((n) + (keysym - fkey)))
490
491 case XK_F1: /* "\033[11~" */
492 case XK_F2: /* "\033[12~" */
493 case XK_F3: /* "\033[13~" */
494 case XK_F4: /* "\033[14~" */
495 case XK_F5: /* "\033[15~" */
496 FKEY(11, XK_F1);
497 break;
498 case XK_F6: /* "\033[17~" */
499 case XK_F7: /* "\033[18~" */
500 case XK_F8: /* "\033[19~" */
501 case XK_F9: /* "\033[20~" */
502 case XK_F10: /* "\033[21~" */
503 FKEY(17, XK_F6);
504 break;
505 case XK_F11: /* "\033[23~" */
506 case XK_F12: /* "\033[24~" */
507 case XK_F13: /* "\033[25~" */
508 case XK_F14: /* "\033[26~" */
509 FKEY(23, XK_F11);
510 break;
511 case XK_F15: /* "\033[28~" */
512 case XK_F16: /* "\033[29~" */
513 FKEY(28, XK_F15);
514 break;
515 case XK_Help: /* "\033[28~" */
516 FKEY(28, XK_Help);
517 break;
518 case XK_Menu: /* "\033[29~" */
519 FKEY(29, XK_Menu);
520 break;
521 case XK_F17: /* "\033[31~" */
522 case XK_F18: /* "\033[32~" */
523 case XK_F19: /* "\033[33~" */
524 case XK_F20: /* "\033[34~" */
525 case XK_F21: /* "\033[35~" */
526 case XK_F22: /* "\033[36~" */
527 case XK_F23: /* "\033[37~" */
528 case XK_F24: /* "\033[38~" */
529 case XK_F25: /* "\033[39~" */
530 case XK_F26: /* "\033[40~" */
531 case XK_F27: /* "\033[41~" */
532 case XK_F28: /* "\033[42~" */
533 case XK_F29: /* "\033[43~" */
534 case XK_F30: /* "\033[44~" */
535 case XK_F31: /* "\033[45~" */
536 case XK_F32: /* "\033[46~" */
537 case XK_F33: /* "\033[47~" */
538 case XK_F34: /* "\033[48~" */
539 case XK_F35: /* "\033[49~" */
540 FKEY(31, XK_F17);
541 break;
542 #undef FKEY
543 default:
544 newlen = 0;
545 break;
546 }
547 if (newlen)
548 len = STRLEN(kbuf);
549 }
550 /*
551 * Pass meta for all function keys, if 'meta' option set
552 */
553 #ifdef META8_OPTION
554 if (meta && (R->meta_char == 0x80) && len > 0)
555 kbuf[len - 1] |= 0x80;
556 #endif
557 } else if (ctrl && keysym == XK_minus) {
558 len = 1;
559 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
560 } else {
561 #ifdef META8_OPTION
562 /* set 8-bit on */
563 if (meta && (R->meta_char == 0x80)) {
564 unsigned char *ch;
565
566 for (ch = kbuf; ch < kbuf + len; ch++)
567 *ch |= 0x80;
568 meta = 0;
569 }
570 #endif
571 #ifdef GREEK_SUPPORT
572 if (R->greek_mode)
573 len = greek_xlat(kbuf, len);
574 #endif
575 /* nil */ ;
576 }
577 }
578
579 if (len <= 0)
580 return; /* not mapped */
581
582 if (R->Options & Opt_scrollTtyKeypress)
583 if (R->TermWin.view_start) {
584 R->TermWin.view_start = 0;
585 R->want_refresh = 1;
586 }
587
588 /*
589 * these modifications only affect the static keybuffer
590 * pass Shift/Control indicators for function keys ending with `~'
591 *
592 * eg,
593 * Prior = "ESC[5~"
594 * Shift+Prior = "ESC[5$"
595 * Ctrl+Prior = "ESC[5^"
596 * Ctrl+Shift+Prior = "ESC[5@"
597 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
598 */
599 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
600 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
601
602 /* escape prefix */
603 if (meta
604 #ifdef META8_OPTION
605 && (R->meta_char == C0_ESC)
606 #endif
607 ) {
608 const unsigned char ch = C0_ESC;
609
610 rxvt_tt_write(aR_ &ch, 1);
611 }
612 #ifdef DEBUG_CMD
613 if (debug_key) { /* Display keyboard buffer contents */
614 char *p;
615 int i;
616
617 fprintf(stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
618 for (i = 0, p = kbuf; i < len; i++, p++)
619 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
620 fprintf(stderr, "'\n");
621 }
622 #endif /* DEBUG_CMD */
623 rxvt_tt_write(aR_ kbuf, (unsigned int)len);
624 }
625 /*}}} */
626
627 #if (MENUBAR_MAX)
628 /*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
629 /* attempt to `write' count to the input buffer */
630 /* EXTPROTO */
631 unsigned int
632 rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
633 {
634 unsigned int n, s;
635 unsigned char *cmdbuf_base = R->cmdbuf_base,
636 *cmdbuf_endp = R->cmdbuf_endp,
637 *cmdbuf_ptr = R->cmdbuf_ptr;
638
639 n = cmdbuf_ptr - cmdbuf_base;
640 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp;
641 if (n > 0 && s < count) {
642 MEMMOVE(cmdbuf_base, cmdbuf_ptr,
643 (unsigned int)(cmdbuf_endp - cmdbuf_ptr));
644 cmdbuf_ptr = cmdbuf_base;
645 cmdbuf_endp -= n;
646 s += n;
647 }
648 if (count > s) {
649 rxvt_print_error("data loss: cmd_write too large");
650 count = s;
651 }
652 for (; count--;)
653 *cmdbuf_endp++ = *str++;
654 R->cmdbuf_ptr = cmdbuf_ptr;
655 R->cmdbuf_endp = cmdbuf_endp;
656 return 0;
657 }
658 #endif /* MENUBAR_MAX */
659
660 void
661 rxvt_term::process_x_events ()
662 {
663 do
664 {
665 XEvent xev;
666
667 XNextEvent (Xdisplay, &xev);
668
669 #if defined(CURSOR_BLINK)
670 if ((Options & Opt_cursorBlink)
671 && xev.type == KeyPress)
672 {
673 if (hidden_cursor)
674 {
675 hidden_cursor = 0;
676 want_refresh = 1;
677 }
678
679 blink_ev.start (NOW + BLINK_INTERVAL);
680 }
681 #endif
682
683 #if defined(POINTER_BLANK)
684 if ((Options & Opt_pointerBlank)
685 && (pointerBlankDelay > 0))
686 {
687 if (xev.type == MotionNotify
688 || xev.type == ButtonPress
689 || xev.type == ButtonRelease)
690 if (hidden_pointer)
691 pointer_unblank ();
692
693 if (xev.type == KeyPress && hidden_pointer == 0)
694 pointer_blank ();
695 }
696 #endif
697
698 #ifdef USE_XIM
699 if (!XFilterEvent (&xev, xev.xany.window))
700 #endif
701 rxvt_process_x_event (this, &xev);
702 }
703 while (XPending (Xdisplay));
704 }
705
706 void
707 rxvt_term::blink_cb (time_watcher &w)
708 {
709 w.at += BLINK_INTERVAL;
710 hidden_cursor = !hidden_cursor;
711 want_refresh = 1;
712 flush ();
713 }
714
715 void
716 rxvt_term::x_cb (io_watcher &w, short revents)
717 {
718 process_x_events ();
719
720 flush ();
721 }
722
723 // read the next character, currently handles UTF-8
724 // will probably handle all sorts of other stuff in the future
725 uint32_t
726 rxvt_term::next_char ()
727 {
728 struct mbstate &s = mbstate;
729
730 while (cmdbuf_ptr < cmdbuf_endp)
731 {
732 uint8_t ch = *cmdbuf_ptr;
733
734 if (s.cnt)
735 {
736 if ((ch & 0xc0) == 0x80)
737 {
738 cmdbuf_ptr++;
739
740 /* continuation */
741 s.reg = (s.reg << 6) | (ch & 0x7f);
742
743 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
744 return s.reg;
745
746 continue;
747 }
748 else
749 {
750 s.cnt = 0;
751 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */
752 }
753 }
754
755 if ((ch & 0xc0) == 0xc0)
756 {
757 cmdbuf_ptr++;
758
759 /* first byte */
760 s.orig = ch; /* for broken encodings */
761 s.reg = ch;
762 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; }
763 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; }
764 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; }
765 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; }
766 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; }
767 }
768 else
769 {
770 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */
771 return ch;
772 }
773 }
774
775 return NOCHAR;
776 }
777
778 bool
779 rxvt_term::pty_fill ()
780 {
781 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
782
783 memmove (cmdbuf_base, cmdbuf_ptr, n);
784 cmdbuf_ptr = cmdbuf_base;
785 cmdbuf_endp = cmdbuf_ptr + n;
786
787 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n);
788
789 if (n > 0)
790 {
791 cmdbuf_endp += n;
792 return true;
793 }
794 else if (n < 0 && errno == EAGAIN)
795 return false;
796
797 rxvt_clean_exit ();
798 exit (EXIT_FAILURE); /* bad order of events? */
799 }
800
801 void
802 rxvt_term::pty_cb (io_watcher &w, short revents)
803 {
804 // loop, but don't allow a single term to monopolize us
805 // the number of loops is fully arbitrary, and thus wrong
806 for (int i = 7; i-- && pty_fill (); )
807 {
808 //TODO:
809 /* once we know the shell is running, send the screen size. Again! */
810 //ch = rxvt_cmd_getc(aR); /* wait for something */
811 //rxvt_tt_winsize(cmd_fd, TermWin.ncol, TermWin.nrow, cmd_pid);
812
813 uint32_t ch = NOCHAR;
814
815 for (;;)
816 {
817 if (ch == NOCHAR)
818 ch = next_char ();
819
820 if (ch == NOCHAR) // TODO: improve
821 break;
822
823 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
824 {
825 /* Read a text string from the input buffer */
826 uint32_t buf[BUFSIZ];
827 bool refreshnow = false;
828 int nlines = 0;
829 uint32_t *str = buf;
830
831 *str++ = ch;
832
833 for (;;)
834 {
835 ch = next_char ();
836
837 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
838 break;
839 else
840 {
841 *str++ = ch;
842
843 if (ch == '\n')
844 {
845 nlines++;
846 refresh_count++;
847
848 if (!(Options & Opt_jumpScroll)
849 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
850 {
851 refreshnow = true;
852 ch = NOCHAR;
853 break;
854 }
855 }
856
857 if (str >= buf + BUFSIZ)
858 {
859 ch = NOCHAR;
860 break;
861 }
862 }
863 }
864
865 rxvt_scr_add_lines (this, buf, nlines, str - buf);
866
867 /*
868 * If there have been a lot of new lines, then update the screen
869 * What the heck I'll cheat and only refresh less than every page-full.
870 * the number of pages between refreshes is refresh_limit, which
871 * is incremented here because we must be doing flat-out scrolling.
872 *
873 * refreshing should be correct for small scrolls, because of the
874 * time-out
875 */
876 if (refreshnow)
877 {
878 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
879 refresh_limit++;
880
881 rxvt_scr_refresh (this, refresh_type);
882 }
883
884 }
885 else
886 {
887 switch (ch)
888 {
889 default:
890 rxvt_process_nonprinting (this, ch);
891 break;
892 case C0_ESC: /* escape char */
893 rxvt_process_escape_seq (this);
894 break;
895 /*case 0x9b: */ /* CSI */
896 /* rxvt_process_csi_seq (this); */
897 }
898
899 ch = NOCHAR;
900 }
901 }
902 }
903
904 flush ();
905 }
906
907 void
908 rxvt_term::flush ()
909 {
910 #ifdef TRANSPARENT
911 if (want_full_refresh)
912 {
913 want_full_refresh = 0;
914 rxvt_scr_clear (this);
915 rxvt_scr_touch (this, False);
916 want_refresh = 1;
917 }
918 #endif
919
920 if (want_refresh)
921 {
922 rxvt_scr_refresh (this, refresh_type);
923 rxvt_scrollbar_show (this, 1);
924 #ifdef USE_XIM
925 rxvt_IMSendSpot (this);
926 #endif
927 }
928
929 if (XPending (Xdisplay)) process_x_events ();
930 XFlush (Xdisplay);
931 if (XPending (Xdisplay)) process_x_events ();
932 }
933
934 /* rxvt_cmd_getc() - Return next input character */
935 /*
936 * Return the next input character after first passing any keyboard input
937 * to the command.
938 */
939 /* INTPROTO */
940 uint32_t
941 rxvt_cmd_getc(pR)
942 {
943 for (;;)
944 {
945 uint32_t c = R->next_char ();
946 if (c != NOCHAR)
947 return c;
948
949 // incomplete sequences should occur rarely, still, a better solution
950 // would be preferred. either setjmp/longjmp or better design.
951 fcntl (R->cmd_fd, F_SETFL, 0);
952 R->pty_fill ();
953 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
954 }
955
956 #if 0
957 #define TIMEOUT_USEC 5000
958 fd_set readfds;
959 int quick_timeout, select_res;
960 int want_motion_time, want_keypress_time;
961 struct timeval value;
962 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
963 struct timeval tp;
964 #endif
965
966 for (;;) {
967 /* loop until we can return something */
968
969 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
970 rxvt_tt_write(aR_ NULL, 0);
971
972 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
973 if (R->mouse_slip_wheel_speed) {
974 quick_timeout = 1;
975 if (!R->mouse_slip_wheel_delay--
976 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
977 abs(R->mouse_slip_wheel_speed))) {
978 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
979 R->refresh_type |= SMOOTH_REFRESH;
980 R->want_refresh = 1;
981 }
982 }
983 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
984 #ifdef SELECTION_SCROLLING
985 if (R->pending_scroll_selection) {
986 quick_timeout = 1;
987 if (!R->scroll_selection_delay--
988 && rxvt_scr_page(aR_ R->scroll_selection_dir,
989 R->scroll_selection_lines)) {
990 rxvt_selection_extend(aR_ R->selection_save_x,
991 R->selection_save_y, R->selection_save_state);
992 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
993 R->refresh_type |= SMOOTH_REFRESH;
994 R->want_refresh = 1;
995 }
996 }
997 #endif
998 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
999 if (scrollbar_isUp() || scrollbar_isDn()) {
1000 quick_timeout = 1;
1001 if (!R->scroll_arrow_delay--
1002 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
1003 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
1004 R->refresh_type |= SMOOTH_REFRESH;
1005 R->want_refresh = 1;
1006 }
1007 }
1008 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1009
1010 #ifdef TRANSPARENT
1011 quick_timeout |= R->want_full_refresh;
1012 #endif
1013 #endif
1014 }
1015
1016 void
1017 rxvt_term::pointer_unblank ()
1018 {
1019 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1020 rxvt_recolour_cursor (this);
1021
1022 #ifdef POINTER_BLANK
1023 hidden_pointer = 0;
1024
1025 if (Options & Opt_pointerBlank)
1026 pointer_ev.start (NOW + pointerBlankDelay);
1027 #endif
1028 }
1029
1030 #ifdef POINTER_BLANK
1031 void
1032 rxvt_term::pointer_blank ()
1033 {
1034 pointer_ev.stop ();
1035
1036 if (!(Options & Opt_pointerBlank))
1037 return;
1038
1039 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1040 XFlush (Xdisplay);
1041
1042 hidden_pointer = 1;
1043 }
1044
1045 void
1046 rxvt_term::pointer_cb (time_watcher &w)
1047 {
1048 pointer_blank ();
1049 }
1050 #endif
1051
1052 /* INTPROTO */
1053 void
1054 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1055 {
1056 int button_number, key_state = 0;
1057 int x, y;
1058
1059 x = ev->x;
1060 y = ev->y;
1061 rxvt_pixel_position(aR_ &x, &y);
1062
1063 if (R->MEvent.button == AnyButton) {
1064 button_number = 3;
1065 } else {
1066 button_number = R->MEvent.button - Button1;
1067 /* add 0x3D for wheel events, like xterm does */
1068 if (button_number >= 3)
1069 button_number += (64 - 3);
1070 }
1071
1072 if (R->PrivateModes & PrivMode_MouseX10) {
1073 /*
1074 * do not report ButtonRelease
1075 * no state info allowed
1076 */
1077 key_state = 0;
1078 if (button_number == 3)
1079 return;
1080 } else {
1081 /* XTerm mouse reporting needs these values:
1082 * 4 = Shift
1083 * 8 = Meta
1084 * 16 = Control
1085 * plus will add in our own Double-Click reporting
1086 * 32 = Double Click
1087 */
1088 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1089 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1090 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1091 #ifdef MOUSE_REPORT_DOUBLECLICK
1092 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1093 #endif
1094 }
1095
1096 #ifdef DEBUG_MOUSEREPORT
1097 fprintf(stderr, "Mouse [");
1098 if (key_state & 16)
1099 fputc('C', stderr);
1100 if (key_state & 4)
1101 fputc('S', stderr);
1102 if (key_state & 8)
1103 fputc('A', stderr);
1104 if (key_state & 32)
1105 fputc('2', stderr);
1106 fprintf(stderr, "]: <%d>, %d/%d\n",
1107 button_number,
1108 x + 1,
1109 y + 1);
1110 #else
1111 rxvt_tt_printf(aR_ "\033[M%c%c%c",
1112 (32 + button_number + key_state),
1113 (32 + x + 1),
1114 (32 + y + 1));
1115 #endif
1116 }
1117
1118 #ifdef USING_W11LIB
1119 /* EXTPROTO */
1120 void
1121 rxvt_W11_process_x_event(XEvent *ev)
1122 {
1123 rxvt_t *r = rxvt_get_r();
1124
1125 rxvt_process_x_event(aR_ ev);
1126 }
1127 #endif
1128
1129 /*{{{ process an X event */
1130 /* INTPROTO */
1131 void
1132 rxvt_process_x_event(pR_ XEvent *ev)
1133 {
1134 int i, want_timeout;
1135 Window unused_root, unused_child;
1136 int unused_root_x, unused_root_y;
1137 unsigned int unused_mask;
1138 struct timeval tp;
1139
1140 #ifdef DEBUG_X
1141 const char *const eventnames[] =
1142 { /* mason - this matches my system */
1143 "",
1144 "",
1145 "KeyPress",
1146 "KeyRelease",
1147 "ButtonPress",
1148 "ButtonRelease",
1149 "MotionNotify",
1150 "EnterNotify",
1151 "LeaveNotify",
1152 "FocusIn",
1153 "FocusOut",
1154 "KeymapNotify",
1155 "Expose",
1156 "GraphicsExpose",
1157 "NoExpose",
1158 "VisibilityNotify",
1159 "CreateNotify",
1160 "DestroyNotify",
1161 "UnmapNotify",
1162 "MapNotify",
1163 "MapRequest",
1164 "ReparentNotify",
1165 "ConfigureNotify",
1166 "ConfigureRequest",
1167 "GravityNotify",
1168 "ResizeRequest",
1169 "CirculateNotify",
1170 "CirculateRequest",
1171 "PropertyNotify",
1172 "SelectionClear",
1173 "SelectionRequest",
1174 "SelectionNotify",
1175 "ColormapNotify",
1176 "ClientMessage",
1177 "MappingNotify"
1178 };
1179 struct tm *ltt;
1180 #endif
1181
1182 /*
1183 * check if we need to get the time for any timeouts
1184 */
1185
1186 for (i = NUM_TIMEOUTS; i--; )
1187 if (R->timeout[i].tv_sec) {
1188 want_timeout = 1;
1189 break;
1190 }
1191
1192 #ifndef DEBUG_X
1193 if (want_timeout)
1194 #endif
1195 (void)gettimeofday(&tp, NULL);
1196
1197 #ifdef DEBUG_X
1198 ltt = localtime(&(tp.tv_sec));
1199 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));
1200 #endif
1201
1202 /* X event timeouts */
1203 if (want_timeout)
1204 for (i = NUM_TIMEOUTS; i--; ) {
1205 if (R->timeout[i].tv_sec == 0)
1206 continue;
1207 if ((tp.tv_sec < R->timeout[i].tv_sec)
1208 || (tp.tv_sec == R->timeout[i].tv_sec
1209 && tp.tv_usec < R->timeout[i].tv_usec))
1210 continue;
1211 R->timeout[i].tv_sec = 0;
1212 switch(i) {
1213 case TIMEOUT_INCR:
1214 rxvt_print_error("data loss: timeout on INCR selection paste");
1215 R->selection_wait = Sel_none;
1216 break;
1217 default:
1218 break;
1219 }
1220 }
1221
1222 switch (ev->type) {
1223 case KeyPress:
1224 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1225 break;
1226
1227 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1228 case KeyRelease:
1229 {
1230 if (!(ev->xkey.state & ControlMask))
1231 R->mouse_slip_wheel_speed = 0;
1232 else {
1233 KeySym ks;
1234
1235 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1236 if (ks == XK_Control_L || ks == XK_Control_R)
1237 R->mouse_slip_wheel_speed = 0;
1238 }
1239 break;
1240 }
1241 #endif
1242
1243 case ButtonPress:
1244 rxvt_button_press(aR_ (XButtonEvent *)ev);
1245 break;
1246
1247 case ButtonRelease:
1248 rxvt_button_release(aR_ (XButtonEvent *)ev);
1249 break;
1250
1251 case ClientMessage:
1252 if (ev->xclient.format == 32
1253 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1254 exit(EXIT_SUCCESS);
1255 #ifdef OFFIX_DND
1256 /* OffiX Dnd (drag 'n' drop) protocol */
1257 if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1258 && (ev->xclient.data.l[0] == DndFile
1259 || ev->xclient.data.l[0] == DndDir
1260 || ev->xclient.data.l[0] == DndLink)) {
1261 /* Get Dnd data */
1262 Atom ActualType;
1263 int ActualFormat;
1264 unsigned char *data;
1265 unsigned long Size, RemainingBytes;
1266
1267 XGetWindowProperty(R->Xdisplay, Xroot,
1268 R->xa[XA_DNDSELECTION],
1269 0L, 1000000L,
1270 False, AnyPropertyType,
1271 &ActualType, &ActualFormat,
1272 &Size, &RemainingBytes,
1273 &data);
1274 XChangeProperty(R->Xdisplay, Xroot,
1275 XA_CUT_BUFFER0, XA_STRING,
1276 8, PropModeReplace,
1277 data, STRLEN(data));
1278 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1279 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1280 }
1281 #endif /* OFFIX_DND */
1282 break;
1283
1284 case MappingNotify:
1285 XRefreshKeyboardMapping(&(ev->xmapping));
1286 break;
1287
1288 /*
1289 * XXX: this is not the _current_ arrangement
1290 * Here's my conclusion:
1291 * If the window is completely unobscured, use bitblt's
1292 * to scroll. Even then, they're only used when doing partial
1293 * screen scrolling. When partially obscured, we have to fill
1294 * in the GraphicsExpose parts, which means that after each refresh,
1295 * we need to wait for the graphics expose or Noexpose events,
1296 * which ought to make things real slow!
1297 */
1298 case VisibilityNotify:
1299 switch (ev->xvisibility.state)
1300 {
1301 case VisibilityUnobscured:
1302 R->refresh_type = FAST_REFRESH;
1303 break;
1304 case VisibilityPartiallyObscured:
1305 R->refresh_type = SLOW_REFRESH;
1306 break;
1307 default:
1308 R->refresh_type = NO_REFRESH;
1309 break;
1310 }
1311 break;
1312
1313 case FocusIn:
1314 if (!R->TermWin.focus) {
1315 R->TermWin.focus = 1;
1316 R->want_refresh = 1;
1317 #ifdef USE_XIM
1318 if (R->Input_Context != NULL)
1319 XSetICFocus(R->Input_Context);
1320 #endif
1321 #ifdef CURSOR_BLINK
1322 if (R->Options & Opt_cursorBlink)
1323 R->blink_ev.start (NOW + BLINK_INTERVAL);
1324 #endif
1325 }
1326 break;
1327
1328 case FocusOut:
1329 if (R->TermWin.focus) {
1330 R->TermWin.focus = 0;
1331 R->want_refresh = 1;
1332 #ifdef USE_XIM
1333 if (R->Input_Context != NULL)
1334 XUnsetICFocus(R->Input_Context);
1335 #endif
1336 #ifdef CURSOR_BLINK
1337 if (R->Options & Opt_cursorBlink)
1338 R->blink_ev.stop ();
1339 R->hidden_cursor = 0;
1340 #endif
1341 }
1342 break;
1343
1344 case ConfigureNotify:
1345 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1346 int height, width;
1347
1348 do { /* Wrap lots of configures into one */
1349 width = ev->xconfigure.width;
1350 height = ev->xconfigure.height;
1351 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1352 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1353 ConfigureNotify, ev));
1354 if (R->szHint.width != width || R->szHint.height != height) {
1355 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1356 rxvt_resize_all_windows(aR_ (unsigned int)width,
1357 (unsigned int)height, 1);
1358 }
1359 #ifdef DEBUG_SIZE
1360 else {
1361 D_SIZE((stderr, "Size: Not resizing"));
1362 }
1363 #endif
1364 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1365 if (R->Options & Opt_transparent) {
1366 rxvt_check_our_parents(aR);
1367 if (R->am_transparent)
1368 R->want_full_refresh = 1;
1369 }
1370 #endif
1371 }
1372 break;
1373
1374 case SelectionClear:
1375 rxvt_selection_clear(aR);
1376 break;
1377
1378 case SelectionNotify:
1379 if (R->selection_wait == Sel_normal)
1380 rxvt_selection_paste(aR_ ev->xselection.requestor,
1381 ev->xselection.property, True);
1382 break;
1383
1384 case SelectionRequest:
1385 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1386 break;
1387
1388 case UnmapNotify:
1389 R->TermWin.mapped = 0;
1390 break;
1391
1392 case MapNotify:
1393 R->TermWin.mapped = 1;
1394 break;
1395
1396 case PropertyNotify:
1397 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1398 if (ev->xproperty.state == PropertyNewValue)
1399 rxvt_selection_property(aR_ ev->xproperty.window,
1400 ev->xproperty.atom);
1401 break;
1402 }
1403 #ifdef TRANSPARENT
1404 /*
1405 * if user used some Esetroot compatible prog to set the root bg,
1406 * use the property to determine the pixmap. We use it later on.
1407 */
1408 if (R->xa[XA_XROOTPMAPID] == 0)
1409 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1410 "_XROOTPMAP_ID", False);
1411 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1412 break;
1413 /* FALLTHROUGH */
1414 case ReparentNotify:
1415 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1416 if (R->am_transparent)
1417 R->want_full_refresh = 1;
1418 }
1419 #endif /* TRANSPARENT */
1420 break;
1421
1422 case GraphicsExpose:
1423 case Expose:
1424 if (ev->xany.window == R->TermWin.vt) {
1425 #ifdef NO_SLOW_LINK_SUPPORT
1426 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1427 ev->xexpose.width, ev->xexpose.height, False);
1428 #else
1429 // don't understand this, so commented it out
1430 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1431 ev->xexpose.width, ev->xexpose.height, False);
1432 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1433 // ev->xexpose.width, R->TermWin.height, False);
1434 #endif
1435 R->want_refresh = 1;
1436 } else {
1437 XEvent unused_xevent;
1438
1439 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1440 Expose,
1441 &unused_xevent)) ;
1442 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1443 GraphicsExpose,
1444 &unused_xevent)) ;
1445 if (isScrollbarWindow(ev->xany.window)) {
1446 scrollbar_setIdle();
1447 rxvt_scrollbar_show(aR_ 0);
1448 }
1449 #ifdef MENUBAR
1450 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1451 rxvt_menubar_expose(aR);
1452 #endif
1453 #ifdef RXVT_GRAPHICS
1454 rxvt_Gr_expose(aR_ ev->xany.window);
1455 #endif
1456 }
1457 break;
1458
1459 case MotionNotify:
1460 #ifdef POINTER_BLANK
1461 if (R->hidden_pointer)
1462 R->pointer_unblank ();
1463 #endif
1464 #if MENUBAR
1465 if (isMenuBarWindow(ev->xany.window)) {
1466 rxvt_menubar_control(aR_ &(ev->xbutton));
1467 break;
1468 }
1469 #endif
1470 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1471 break;
1472
1473 if (ev->xany.window == R->TermWin.vt) {
1474 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1475 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1476 MotionNotify, ev)) ;
1477 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1478 &unused_root, &unused_child,
1479 &unused_root_x, &unused_root_y,
1480 &(ev->xbutton.x), &(ev->xbutton.y),
1481 &unused_mask);
1482 #ifdef MOUSE_THRESHOLD
1483 /* deal with a `jumpy' mouse */
1484 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1485 #endif
1486 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1487 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1488 #ifdef SELECTION_SCROLLING
1489 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1490 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1491 int dist;
1492
1493 R->pending_scroll_selection=1;
1494
1495 /* don't clobber the current delay if we are
1496 * already in the middle of scrolling.
1497 */
1498 if (R->scroll_selection_delay<=0)
1499 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1500
1501 /* save the event params so we can highlight
1502 * the selection in the pending-scroll loop
1503 */
1504 R->selection_save_x=ev->xbutton.x;
1505 R->selection_save_y=ev->xbutton.y;
1506 R->selection_save_state=
1507 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1508
1509 /* calc number of lines to scroll */
1510 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1511 R->scroll_selection_dir = UP;
1512 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1513 }
1514 else {
1515 R->scroll_selection_dir = DN;
1516 dist = ev->xbutton.y -
1517 (R->TermWin.int_bwidth + R->TermWin.height);
1518 }
1519 R->scroll_selection_lines=(Pixel2Height(dist)/
1520 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1521 MIN_IT(R->scroll_selection_lines,
1522 SELECTION_SCROLL_MAX_LINES);
1523 }
1524 else {
1525 /* we are within the text window, so we
1526 * shouldn't be scrolling
1527 */
1528 R->pending_scroll_selection = 0;
1529 }
1530 #endif
1531 #ifdef MOUSE_THRESHOLD
1532 }
1533 #endif
1534 }
1535 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1536 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1537 MotionNotify, ev)) ;
1538 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1539 &unused_root, &unused_child,
1540 &unused_root_x, &unused_root_y,
1541 &(ev->xbutton.x), &(ev->xbutton.y),
1542 &unused_mask);
1543 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1544 scrollbar_size());
1545 rxvt_scr_refresh(aR_ R->refresh_type);
1546 R->refresh_limit = 0;
1547 rxvt_scrollbar_show(aR_ 1);
1548 }
1549 break;
1550 }
1551 }
1552
1553 /* INTPROTO */
1554 void
1555 rxvt_button_press(pR_ XButtonEvent *ev)
1556 {
1557 int reportmode = 0, clickintime;
1558
1559 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1560 if (!R->bypass_keystate)
1561 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1562 /*
1563 * VT window processing of button press
1564 */
1565 if (ev->window == R->TermWin.vt)
1566 {
1567 #if RXVT_GRAPHICS
1568 if (ev->subwindow != None)
1569 rxvt_Gr_ButtonPress(ev->x, ev->y);
1570 else
1571 #endif
1572 {
1573 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1574 if (reportmode)
1575 {
1576 /* mouse report from vt window */
1577 /* save the xbutton state (for ButtonRelease) */
1578 R->MEvent.state = ev->state;
1579 #ifdef MOUSE_REPORT_DOUBLECLICK
1580 if (ev->button == R->MEvent.button && clickintime)
1581 {
1582 /* same button, within alloted time */
1583 R->MEvent.clicks++;
1584 if (R->MEvent.clicks > 1)
1585 {
1586 /* only report double clicks */
1587 R->MEvent.clicks = 2;
1588 rxvt_mouse_report(aR_ ev);
1589
1590 /* don't report the release */
1591 R->MEvent.clicks = 0;
1592 R->MEvent.button = AnyButton;
1593 }
1594 }
1595 else
1596 {
1597 /* different button, or time expired */
1598 R->MEvent.clicks = 1;
1599 R->MEvent.button = ev->button;
1600 rxvt_mouse_report(aR_ ev);
1601 }
1602 #else
1603 R->MEvent.button = ev->button;
1604 rxvt_mouse_report(aR_ ev);
1605 #endif /* MOUSE_REPORT_DOUBLECLICK */
1606 }
1607 else
1608 {
1609 if (ev->button != R->MEvent.button)
1610 R->MEvent.clicks = 0;
1611 switch (ev->button)
1612 {
1613 case Button1:
1614 if (R->MEvent.button == Button1 && clickintime)
1615 R->MEvent.clicks++;
1616 else
1617 R->MEvent.clicks = 1;
1618 rxvt_selection_click(aR_ R->MEvent.clicks, ev->x, ev->y);
1619 R->MEvent.button = Button1;
1620 break;
1621
1622 case Button3:
1623 if (R->MEvent.button == Button3 && clickintime)
1624 rxvt_selection_rotate(aR_ ev->x, ev->y);
1625 else
1626 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1627 R->MEvent.button = Button3;
1628 break;
1629 }
1630 }
1631 R->MEvent.time = ev->time;
1632 return;
1633 }
1634 }
1635
1636 /*
1637 * Scrollbar window processing of button press
1638 */
1639 if (isScrollbarWindow(ev->window))
1640 {
1641 scrollbar_setIdle();
1642 /*
1643 * Rxvt-style scrollbar:
1644 * move up if mouse is above slider
1645 * move dn if mouse is below slider
1646 *
1647 * XTerm-style scrollbar:
1648 * Move display proportional to pointer location
1649 * pointer near top -> scroll one line
1650 * pointer near bot -> scroll full page
1651 */
1652 #ifndef NO_SCROLLBAR_REPORT
1653 if (reportmode) {
1654 /*
1655 * Mouse report disabled scrollbar:
1656 * arrow buttons - send up/down
1657 * click on scrollbar - send pageup/down
1658 */
1659 if ((R->scrollBar.style == R_SB_NEXT
1660 && scrollbarnext_upButton(ev->y))
1661 || (R->scrollBar.style == R_SB_RXVT
1662 && scrollbarrxvt_upButton(ev->y)))
1663 rxvt_tt_printf(aR_ "\033[A");
1664 else if ((R->scrollBar.style == R_SB_NEXT
1665 && scrollbarnext_dnButton(ev->y))
1666 || (R->scrollBar.style == R_SB_RXVT
1667 && scrollbarrxvt_dnButton(ev->y)))
1668 rxvt_tt_printf(aR_ "\033[B");
1669 else
1670 switch (ev->button) {
1671 case Button2:
1672 rxvt_tt_printf(aR_ "\014");
1673 break;
1674 case Button1:
1675 rxvt_tt_printf(aR_ "\033[6~");
1676 break;
1677 case Button3:
1678 rxvt_tt_printf(aR_ "\033[5~");
1679 break;
1680 }
1681 }
1682 else
1683 #endif /* NO_SCROLLBAR_REPORT */
1684 {
1685 char upordown = 0;
1686
1687 if (R->scrollBar.style == R_SB_NEXT) {
1688 if (scrollbarnext_upButton(ev->y))
1689 upordown = -1; /* up */
1690 else if (scrollbarnext_dnButton(ev->y))
1691 upordown = 1; /* down */
1692 } else if (R->scrollBar.style == R_SB_RXVT) {
1693 if (scrollbarrxvt_upButton(ev->y))
1694 upordown = -1; /* up */
1695 else if (scrollbarrxvt_dnButton(ev->y))
1696 upordown = 1; /* down */
1697 }
1698 if (upordown) {
1699 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1700 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1701 #endif
1702 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1703 if (upordown < 0)
1704 scrollbar_setUp();
1705 else
1706 scrollbar_setDn();
1707 }
1708 } else
1709 switch (ev->button) {
1710 case Button2:
1711 switch (R->scrollbar_align) {
1712 case R_SB_ALIGN_TOP:
1713 R->csrO = 0;
1714 break;
1715 case R_SB_ALIGN_CENTRE:
1716 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1717 break;
1718 case R_SB_ALIGN_BOTTOM:
1719 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1720 break;
1721 }
1722 if (R->scrollBar.style == R_SB_XTERM
1723 || scrollbar_above_slider(ev->y)
1724 || scrollbar_below_slider(ev->y))
1725 rxvt_scr_move_to(aR_
1726 scrollbar_position(ev->y) - R->csrO,
1727 scrollbar_size());
1728 scrollbar_setMotion();
1729 break;
1730
1731 case Button1:
1732 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1733 R->csrO = ev->y - R->scrollBar.top;
1734 /* FALLTHROUGH */
1735
1736 case Button3:
1737 if (R->scrollBar.style != R_SB_XTERM) {
1738 if (scrollbar_above_slider(ev->y))
1739 # ifdef RXVT_SCROLL_FULL
1740 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1741 # else
1742 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1743 # endif
1744 else if (scrollbar_below_slider(ev->y))
1745 # ifdef RXVT_SCROLL_FULL
1746 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1747 # else
1748 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1749 # endif
1750 else
1751 scrollbar_setMotion();
1752 } else {
1753 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1754 (R->TermWin.nrow
1755 * scrollbar_position(ev->y)
1756 / scrollbar_size()));
1757 }
1758 break;
1759 }
1760 }
1761 return;
1762 }
1763 #if MENUBAR
1764 /*
1765 * Menubar window processing of button press
1766 */
1767 if (isMenuBarWindow(ev->window))
1768 rxvt_menubar_control(aR_ ev);
1769 #endif
1770 }
1771
1772 /* INTPROTO */
1773 void
1774 rxvt_button_release(pR_ XButtonEvent *ev)
1775 {
1776 int reportmode = 0;
1777
1778 R->csrO = 0; /* reset csr Offset */
1779 if (!R->bypass_keystate)
1780 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1781
1782 if (scrollbar_isUpDn()) {
1783 scrollbar_setIdle();
1784 rxvt_scrollbar_show(aR_ 0);
1785 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1786 R->refresh_type &= ~SMOOTH_REFRESH;
1787 #endif
1788 }
1789 #ifdef SELECTION_SCROLLING
1790 R->pending_scroll_selection=0;
1791 #endif
1792 if (ev->window == R->TermWin.vt)
1793 {
1794 #ifdef RXVT_GRAPHICS
1795 if (ev->subwindow != None)
1796 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1797 else
1798 #endif
1799 {
1800 if (reportmode)
1801 {
1802 /* mouse report from vt window */
1803 /* don't report release of wheel "buttons" */
1804 if (ev->button >= 4)
1805 return;
1806 #ifdef MOUSE_REPORT_DOUBLECLICK
1807 /* only report the release of 'slow' single clicks */
1808 if (R->MEvent.button != AnyButton
1809 && (ev->button != R->MEvent.button
1810 || (ev->time - R->MEvent.time
1811 > MULTICLICK_TIME / 2)))
1812 {
1813 R->MEvent.clicks = 0;
1814 R->MEvent.button = AnyButton;
1815 rxvt_mouse_report(aR_ ev);
1816 }
1817 #else /* MOUSE_REPORT_DOUBLECLICK */
1818 R->MEvent.button = AnyButton;
1819 rxvt_mouse_report(aR_ ev);
1820 #endif /* MOUSE_REPORT_DOUBLECLICK */
1821 return;
1822 }
1823 /*
1824 * dumb hack to compensate for the failure of click-and-drag
1825 * when overriding mouse reporting
1826 */
1827 if (R->PrivateModes & PrivMode_mouse_report
1828 && R->bypass_keystate
1829 && ev->button == Button1 && R->MEvent.clicks <= 1)
1830 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1831
1832 switch (ev->button) {
1833 case Button1:
1834 case Button3:
1835 rxvt_selection_make(aR_ ev->time);
1836 break;
1837 case Button2:
1838 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1839 break;
1840 #ifdef MOUSE_WHEEL
1841 case Button4:
1842 case Button5:
1843 {
1844 int i, v;
1845
1846 v = (ev->button == Button4) ? UP : DN;
1847 if (ev->state & ShiftMask)
1848 i = 1;
1849 else if ((R->Options & Opt_mouseWheelScrollPage))
1850 i = R->TermWin.nrow - 1;
1851 else
1852 i = 5;
1853 # ifdef MOUSE_SLIP_WHEELING
1854 if (ev->state & ControlMask)
1855 {
1856 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1857 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1858 }
1859 # endif
1860 # ifdef JUMP_MOUSE_WHEEL
1861 rxvt_scr_page(aR_ v, i);
1862 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1863 rxvt_scrollbar_show(aR_ 1);
1864 # else
1865 for (; i--;)
1866 {
1867 rxvt_scr_page(aR_ v, 1);
1868 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1869 rxvt_scrollbar_show(aR_ 1);
1870 }
1871 # endif
1872 }
1873 break;
1874 #endif
1875 }
1876 }
1877 }
1878 #ifdef MENUBAR
1879 else if (isMenuBarWindow(ev->window))
1880 rxvt_menubar_control(aR_ ev);
1881 #endif
1882 }
1883
1884
1885 #ifdef TRANSPARENT
1886 /*
1887 * Check our parents are still who we think they are.
1888 * Do transparency updates if required
1889 */
1890 /* EXTPROTO */
1891 int
1892 rxvt_check_our_parents(pR)
1893 {
1894 int i, pchanged, aformat, have_pixmap, rootdepth;
1895 unsigned long nitems, bytes_after;
1896 Atom atype;
1897 unsigned char *prop = NULL;
1898 Window root, oldp, *list;
1899 Pixmap rootpixmap = None;
1900 XWindowAttributes wattr, wrootattr;
1901
1902 pchanged = 0;
1903
1904 if (!(R->Options & Opt_transparent))
1905 return pchanged; /* Don't try any more */
1906
1907 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1908 rootdepth = wrootattr.depth;
1909
1910 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1911 if (rootdepth != wattr.depth) {
1912 if (R->am_transparent) {
1913 pchanged = 1;
1914 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1915 R->PixColors[Color_bg]);
1916 R->am_transparent = R->am_pixmap_trans = 0;
1917 }
1918 return pchanged; /* Don't try any more */
1919 }
1920
1921 /* Get all X ops out of the queue so that our information is up-to-date. */
1922 XSync(R->Xdisplay, False);
1923
1924 /*
1925 * Make the frame window set by the window manager have
1926 * the root background. Some window managers put multiple nested frame
1927 * windows for each client, so we have to take care about that.
1928 */
1929 i = (R->xa[XA_XROOTPMAPID] != 0
1930 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1931 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1932 &nitems, &bytes_after, &prop) == Success));
1933 if (!i || prop == NULL)
1934 have_pixmap = 0;
1935 else {
1936 have_pixmap = 1;
1937 rootpixmap = *((Pixmap *)prop);
1938 XFree(prop);
1939 }
1940 if (have_pixmap) {
1941 /*
1942 * Copy Xroot pixmap transparency
1943 */
1944 int sx, sy, nx, ny;
1945 unsigned int nw, nh;
1946 Window cr;
1947 XImage *image;
1948 GC gc;
1949 XGCValues gcvalue;
1950
1951 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1952 0, 0, &sx, &sy, &cr);
1953 nw = (unsigned int)R->szHint.width;
1954 nh = (unsigned int)R->szHint.height;
1955 nx = ny = 0;
1956 if (sx < 0) {
1957 nw += sx;
1958 nx = -sx;
1959 sx = 0;
1960 }
1961 if (sy < 0) {
1962 nh += sy;
1963 ny = -sy;
1964 sy = 0;
1965 }
1966 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1967 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1968 R->allowedxerror = -1;
1969 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1970 ZPixmap);
1971 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1972 /* XXX: may need a delay here? */
1973 R->allowedxerror = 0;
1974 if (image == NULL) {
1975 if (R->am_transparent && R->am_pixmap_trans) {
1976 pchanged = 1;
1977 if (R->TermWin.pixmap != None) {
1978 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1979 R->TermWin.pixmap = None;
1980 }
1981 }
1982 R->am_pixmap_trans = 0;
1983 } else {
1984 if (R->TermWin.pixmap != None)
1985 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1986 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1987 (unsigned int)R->szHint.width,
1988 (unsigned int)R->szHint.height,
1989 (unsigned int)image->depth);
1990 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1991 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1992 nx, ny, (unsigned int)image->width,
1993 (unsigned int)image->height);
1994 XFreeGC(R->Xdisplay, gc);
1995 XDestroyImage(image);
1996 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
1997 R->TermWin.pixmap);
1998 if (!R->am_transparent || !R->am_pixmap_trans)
1999 pchanged = 1;
2000 R->am_transparent = R->am_pixmap_trans = 1;
2001 }
2002 }
2003 if (!R->am_pixmap_trans) {
2004 unsigned int n;
2005 /*
2006 * InheritPixmap transparency
2007 */
2008 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
2009 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
2010 i++) {
2011 oldp = R->TermWin.parent[i];
2012 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2013 &R->TermWin.parent[i], &list, &n);
2014 XFree(list);
2015 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2016 if (R->TermWin.parent[i] == Xroot) {
2017 if (oldp != None)
2018 pchanged = 1;
2019 break;
2020 }
2021 if (oldp != R->TermWin.parent[i])
2022 pchanged = 1;
2023 }
2024 n = 0;
2025 if (pchanged) {
2026 for (; n < (unsigned int)i; n++) {
2027 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2028 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2029 if (wattr.depth != rootdepth || wattr.class == InputOnly) {
2030 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2031 break;
2032 }
2033 }
2034 }
2035 if (n > (int)(sizeof(R->TermWin.parent)
2036 / sizeof(R->TermWin.parent[0]))) {
2037 D_X((stderr, "InheritPixmap Turning off"));
2038 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2039 R->PixColors[Color_fg]);
2040 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2041 R->PixColors[Color_bg]);
2042 R->am_transparent = 0;
2043 /* XXX: also turn off Opt_transparent? */
2044 } else {
2045 /* wait (an arbitrary period) for the WM to do its thing
2046 * needed for fvwm2.2.2 (and before?) */
2047 # ifdef HAVE_NANOSLEEP
2048 struct timespec rqt;
2049
2050 rqt.tv_sec = 1;
2051 rqt.tv_nsec = 0;
2052 nanosleep(&rqt, NULL);
2053 # else
2054 sleep(1);
2055 # endif
2056 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2057 for (n = 0; n < (unsigned int)i; n++)
2058 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2059 ParentRelative);
2060 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2061 ParentRelative);
2062 R->am_transparent = 1;
2063 }
2064 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2065 R->TermWin.parent[i] = None;
2066 }
2067 return pchanged;
2068 }
2069 #endif
2070
2071 /*}}} */
2072
2073 /*{{{ print pipe */
2074 /*----------------------------------------------------------------------*/
2075 #ifdef PRINTPIPE
2076 /* EXTPROTO */
2077 FILE *
2078 rxvt_popen_printer(pR)
2079 {
2080 FILE *stream = popen(R->rs[Rs_print_pipe], "w");
2081
2082 if (stream == NULL)
2083 rxvt_print_error("can't open printer pipe");
2084 return stream;
2085 }
2086
2087 /* EXTPROTO */
2088 int
2089 rxvt_pclose_printer(FILE *stream)
2090 {
2091 fflush(stream);
2092 /* pclose() reported not to work on SunOS 4.1.3 */
2093 # if defined (__sun__) /* TODO: RESOLVE THIS */
2094 /* pclose works provided SIGCHLD handler uses waitpid */
2095 return pclose(stream); /* return fclose (stream); */
2096 # else
2097 return pclose(stream);
2098 # endif
2099 }
2100
2101 /*
2102 * simulate attached vt100 printer
2103 */
2104 /* INTPROTO */
2105 void
2106 rxvt_process_print_pipe(pR)
2107 {
2108 int done;
2109 FILE *fd;
2110
2111 if ((fd = rxvt_popen_printer(aR)) == NULL)
2112 return;
2113
2114 /*
2115 * Send all input to the printer until either ESC[4i or ESC[?4i
2116 * is received.
2117 */
2118 for (done = 0; !done;) {
2119 unsigned char buf[8];
2120 unsigned char ch;
2121 unsigned int i, len;
2122
2123 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2124 if (putc(ch, fd) == EOF)
2125 break; /* done = 1 */
2126 } else {
2127 len = 0;
2128 buf[len++] = ch;
2129
2130 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2131 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2132 buf[len++] = '?';
2133 ch = rxvt_cmd_getc(aR);
2134 }
2135 if ((buf[len++] = ch) == '4') {
2136 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2137 break; /* done = 1 */
2138 }
2139 }
2140 for (i = 0; i < len; i++)
2141 if (putc(buf[i], fd) == EOF) {
2142 done = 1;
2143 break;
2144 }
2145 }
2146 }
2147 rxvt_pclose_printer(fd);
2148 }
2149 #endif /* PRINTPIPE */
2150 /*}}} */
2151
2152 /* *INDENT-OFF* */
2153 enum {
2154 C1_40 = 0x40,
2155 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2156 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2157 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2158 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2159 };
2160 /* *INDENT-ON* */
2161
2162 /*{{{ process non-printing single characters */
2163 /* INTPROTO */
2164 void
2165 rxvt_process_nonprinting(pR_ unsigned char ch)
2166 {
2167 switch (ch) {
2168 case C0_ENQ: /* terminal Status */
2169 if (R->rs[Rs_answerbackstring])
2170 rxvt_tt_write(aR_
2171 (const unsigned char *)R->rs[Rs_answerbackstring],
2172 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2173 else
2174 rxvt_tt_write(aR_ (unsigned char *)VT100_ANS,
2175 (unsigned int)STRLEN(VT100_ANS));
2176 break;
2177 case C0_BEL: /* bell */
2178 rxvt_scr_bell(aR);
2179 break;
2180 case C0_BS: /* backspace */
2181 rxvt_scr_backspace(aR);
2182 break;
2183 case C0_HT: /* tab */
2184 rxvt_scr_tab(aR_ 1);
2185 break;
2186 case C0_CR: /* carriage return */
2187 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2188 break;
2189 case C0_VT: /* vertical tab, form feed */
2190 case C0_FF:
2191 case C0_LF: /* line feed */
2192 rxvt_scr_index(aR_ UP);
2193 break;
2194 case C0_SO: /* shift out - acs */
2195 rxvt_scr_charset_choose(aR_ 1);
2196 break;
2197 case C0_SI: /* shift in - acs */
2198 rxvt_scr_charset_choose(aR_ 0);
2199 break;
2200 }
2201 }
2202 /*}}} */
2203
2204
2205 /*{{{ process VT52 escape sequences */
2206 /* INTPROTO */
2207 void
2208 rxvt_process_escape_vt52(pR_ unsigned char ch)
2209 {
2210 int row, col;
2211
2212 switch (ch) {
2213 case 'A': /* cursor up */
2214 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2215 break;
2216 case 'B': /* cursor down */
2217 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2218 break;
2219 case 'C': /* cursor right */
2220 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2221 break;
2222 case 'D': /* cursor left */
2223 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2224 break;
2225 case 'H': /* cursor home */
2226 rxvt_scr_gotorc(aR_ 0, 0, 0);
2227 break;
2228 case 'I': /* cursor up and scroll down if needed */
2229 rxvt_scr_index(aR_ DN);
2230 break;
2231 case 'J': /* erase to end of screen */
2232 rxvt_scr_erase_screen(aR_ 0);
2233 break;
2234 case 'K': /* erase to end of line */
2235 rxvt_scr_erase_line(aR_ 0);
2236 break;
2237 case 'Y': /* move to specified row and col */
2238 /* full command is 'ESC Y row col' where row and col
2239 * are encoded by adding 32 and sending the ascii
2240 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2241 * etc. */
2242 row = rxvt_cmd_getc(aR) - ' ';
2243 col = rxvt_cmd_getc(aR) - ' ';
2244 rxvt_scr_gotorc(aR_ row, col, 0);
2245 break;
2246 case 'Z': /* identify the terminal type */
2247 rxvt_tt_printf(aR_ "\033/Z"); /* I am a VT100 emulating a VT52 */
2248 break;
2249 case '<': /* turn off VT52 mode */
2250 PrivMode(0, PrivMode_vt52);
2251 break;
2252 case 'F': /* use special graphics character set */
2253 case 'G': /* use regular character set */
2254 /* unimplemented */
2255 break;
2256 case '=': /* use alternate keypad mode */
2257 case '>': /* use regular keypad mode */
2258 /* unimplemented */
2259 break;
2260 }
2261 }
2262 /*}}} */
2263
2264
2265 /*{{{ process escape sequences */
2266 /* INTPROTO */
2267 void
2268 rxvt_process_escape_seq(pR)
2269 {
2270 unsigned char ch = rxvt_cmd_getc(aR);
2271
2272 if (R->PrivateModes & PrivMode_vt52) {
2273 rxvt_process_escape_vt52(aR_ ch);
2274 return;
2275 }
2276
2277 switch (ch) {
2278 /* case 1: do_tek_mode (); break; */
2279 case '#':
2280 if (rxvt_cmd_getc(aR) == '8')
2281 rxvt_scr_E(aR);
2282 break;
2283 case '(':
2284 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2285 break;
2286 case ')':
2287 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2288 break;
2289 case '*':
2290 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2291 break;
2292 case '+':
2293 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2294 break;
2295 #ifdef MULTICHAR_SET
2296 case '$':
2297 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2298 break;
2299 #endif
2300 #ifndef NO_FRILLS
2301 case '6':
2302 rxvt_scr_backindex(aR);
2303 break;
2304 #endif
2305 case '7':
2306 rxvt_scr_cursor(aR_ SAVE);
2307 break;
2308 case '8':
2309 rxvt_scr_cursor(aR_ RESTORE);
2310 break;
2311 #ifndef NO_FRILLS
2312 case '9':
2313 rxvt_scr_forwardindex(aR);
2314 break;
2315 #endif
2316 case '=':
2317 case '>':
2318 PrivMode((ch == '='), PrivMode_aplKP);
2319 break;
2320
2321 case C1_40:
2322 rxvt_cmd_getc(aR);
2323 break;
2324 case C1_44:
2325 rxvt_scr_index(aR_ UP);
2326 break;
2327
2328 /* 8.3.87: NEXT LINE */
2329 case C1_NEL: /* ESC E */
2330 {
2331 uint32_t nlcr[] = { '\n', '\r' };
2332 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2333 }
2334 break;
2335
2336 /* kidnapped escape sequence: Should be 8.3.48 */
2337 case C1_ESA: /* ESC G */
2338 rxvt_process_graphics(aR);
2339 break;
2340
2341 /* 8.3.63: CHARACTER TABULATION SET */
2342 case C1_HTS: /* ESC H */
2343 rxvt_scr_set_tab(aR_ 1);
2344 break;
2345
2346 /* 8.3.105: REVERSE LINE FEED */
2347 case C1_RI: /* ESC M */
2348 rxvt_scr_index(aR_ DN);
2349 break;
2350
2351 /* 8.3.142: SINGLE-SHIFT TWO */
2352 /*case C1_SS2: scr_single_shift (2); break; */
2353
2354 /* 8.3.143: SINGLE-SHIFT THREE */
2355 /*case C1_SS3: scr_single_shift (3); break; */
2356
2357 /* 8.3.27: DEVICE CONTROL STRING */
2358 case C1_DCS: /* ESC P */
2359 rxvt_process_dcs_seq(aR);
2360 break;
2361
2362 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2363 case C1_SCI: /* ESC Z */
2364 rxvt_tt_write(aR_ (const unsigned char *)ESCZ_ANSWER,
2365 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2366 break; /* steal obsolete ESC [ c */
2367
2368 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2369 case C1_CSI: /* ESC [ */
2370 rxvt_process_csi_seq(aR);
2371 break;
2372
2373 /* 8.3.90: OPERATING SYSTEM COMMAND */
2374 case C1_OSC: /* ESC ] */
2375 rxvt_process_osc_seq(aR);
2376 break;
2377
2378 /* 8.3.106: RESET TO INITIAL STATE */
2379 case 'c':
2380 rxvt_scr_poweron(aR);
2381 rxvt_scrollbar_show(aR_ 1);
2382 break;
2383
2384 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2385 case 'n':
2386 rxvt_scr_charset_choose(aR_ 2);
2387 break;
2388
2389 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2390 case 'o':
2391 rxvt_scr_charset_choose(aR_ 3);
2392 break;
2393 }
2394 }
2395 /*}}} */
2396
2397 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2398 /* *INDENT-OFF* */
2399 enum {
2400 CSI_ICH = 0x40,
2401 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2402 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2403 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2404 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2405 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2406 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2407 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2408 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2409 };
2410
2411 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2412 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2413 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2414 #define get_byte_array_bit(array, bit) \
2415 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2416
2417 const unsigned char csi_defaults[] = {
2418 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2419 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2420 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2421 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2422 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2423 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2424 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2425 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2426 };
2427 /* *INDENT-ON* */
2428
2429 /* INTPROTO */
2430 void
2431 rxvt_process_csi_seq(pR)
2432 {
2433 unsigned char ch, priv, i;
2434 unsigned int nargs, p;
2435 int n, ndef;
2436 int arg[ESC_ARGS];
2437
2438 for (nargs = ESC_ARGS; nargs > 0;)
2439 arg[--nargs] = 0;
2440
2441 priv = 0;
2442 ch = rxvt_cmd_getc(aR);
2443 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2444 priv = ch;
2445 ch = rxvt_cmd_getc(aR);
2446 }
2447 /* read any numerical arguments */
2448 for (n = -1; ch < CSI_ICH; ) {
2449 if (isdigit(ch)) {
2450 if (n < 0)
2451 n = ch - '0';
2452 else
2453 n = n * 10 + ch - '0';
2454 } else if (ch == ';') {
2455 if (nargs < ESC_ARGS)
2456 arg[nargs++] = n;
2457 n = -1;
2458 } else if (ch == '\b') {
2459 rxvt_scr_backspace(aR);
2460 } else if (ch == C0_ESC) {
2461 rxvt_process_escape_seq(aR);
2462 return;
2463 } else if (ch < ' ') {
2464 rxvt_process_nonprinting(aR_ ch);
2465 }
2466 ch = rxvt_cmd_getc(aR);
2467 }
2468
2469 if (ch > CSI_7F)
2470 return;
2471
2472 if (nargs < ESC_ARGS)
2473 arg[nargs++] = n;
2474
2475 i = ch - CSI_ICH;
2476 ndef = get_byte_array_bit(csi_defaults, i);
2477 for (p = 0; p < nargs; p++)
2478 if (arg[p] == -1)
2479 arg[p] = ndef;
2480
2481 #ifdef DEBUG_CMD
2482 fprintf(stderr, "CSI ");
2483 for (p = 0; p < nargs; p++)
2484 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2485 fprintf(stderr, "%c\n", ch);
2486 #endif
2487
2488 /*
2489 * private mode handling
2490 */
2491 if (priv) {
2492 switch (priv) {
2493 case '>':
2494 if (ch == CSI_DA) /* secondary device attributes */
2495 rxvt_tt_printf(aR_ "\033[>%d;%-.8s;0c", 'R', VSTRING);
2496 break;
2497 case '?':
2498 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2499 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2500 break;
2501 }
2502 return;
2503 }
2504
2505 switch (ch) {
2506 /*
2507 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2508 */
2509 #ifdef PRINTPIPE
2510 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2511 switch (arg[0]) {
2512 case 0: /* initiate transfer to primary aux device */
2513 rxvt_scr_printscreen(aR_ 0);
2514 break;
2515 case 5: /* start relay to primary aux device */
2516 rxvt_process_print_pipe(aR);
2517 break;
2518 }
2519 break;
2520 #endif
2521
2522 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2523 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2524 arg[0] = -arg[0];
2525 /* FALLTHROUGH */
2526 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2527 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2528 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2529 break;
2530
2531 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2532 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2533 #ifdef ISO6429
2534 arg[0] = -arg[0];
2535 #else /* emulate common DEC VTs */
2536 arg[0] = arg[0] ? -arg[0] : -1;
2537 #endif
2538 /* FALLTHROUGH */
2539 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2540 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2541 #ifdef ISO6429
2542 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2543 #else /* emulate common DEC VTs */
2544 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2545 #endif
2546 break;
2547
2548 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2549 arg[0] = -arg[0];
2550 /* FALLTHROUGH */
2551 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2552 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2553 break;
2554
2555 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2556 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2557 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2558 break;
2559
2560 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2561 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2562 break;
2563
2564 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2565 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2566 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2567 break;
2568
2569 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2570 arg[0] = -arg[0];
2571 /* FALLTHROUGH */
2572 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2573 rxvt_scr_tab(aR_ arg[0]);
2574 break;
2575
2576 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2577 rxvt_scr_erase_screen(aR_ arg[0]);
2578 break;
2579
2580 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2581 rxvt_scr_erase_line(aR_ arg[0]);
2582 break;
2583
2584 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2585 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2586 break;
2587
2588 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2589 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2590 break;
2591
2592 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2593 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2594 break;
2595
2596 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2597 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2598 break;
2599
2600 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2601 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2602 break;
2603
2604 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2605 arg[0] = -arg[0];
2606 /* FALLTHROUGH */
2607 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2608 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2609 break;
2610
2611 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2612 rxvt_tt_write(aR_ (const unsigned char *)VT100_ANS,
2613 (unsigned int)(sizeof(VT100_ANS) - 1));
2614 break;
2615
2616 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2617 rxvt_process_sgr_mode(aR_ nargs, arg);
2618 break;
2619
2620 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2621 switch (arg[0]) {
2622 case 5: /* DSR requested */
2623 rxvt_tt_printf(aR_ "\033[0n");
2624 break;
2625 case 6: /* CPR requested */
2626 rxvt_scr_report_position(aR);
2627 break;
2628 #if defined (ENABLE_DISPLAY_ANSWER)
2629 case 7: /* unofficial extension */
2630 rxvt_tt_printf(aR_ "%-.250s\n", R->rs[Rs_display_name]);
2631 break;
2632 #endif
2633 case 8: /* unofficial extension */
2634 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2635 break;
2636 }
2637 break;
2638
2639 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2640 switch (arg[0]) {
2641 case 0: /* char tab stop cleared at active position */
2642 rxvt_scr_set_tab(aR_ 0);
2643 break;
2644 /* case 1: */ /* line tab stop cleared in active line */
2645 /* case 2: */ /* char tab stops cleared in active line */
2646 case 3: /* all char tab stops are cleared */
2647 /* case 4: */ /* all line tab stops are cleared */
2648 case 5: /* all tab stops are cleared */
2649 rxvt_scr_set_tab(aR_ -1);
2650 break;
2651 }
2652 break;
2653
2654 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2655 switch (arg[0]) {
2656 case 0: /* char tab stop set at active position */
2657 rxvt_scr_set_tab(aR_ 1);
2658 break; /* = ESC H */
2659 /* case 1: */ /* line tab stop set at active line */
2660 case 2: /* char tab stop cleared at active position */
2661 rxvt_scr_set_tab(aR_ 0);
2662 break; /* = ESC [ 0 g */
2663 /* case 3: */ /* line tab stop cleared at active line */
2664 /* case 4: */ /* char tab stops cleared at active line */
2665 case 5: /* all char tab stops are cleared */
2666 rxvt_scr_set_tab(aR_ -1);
2667 break; /* = ESC [ 3 g */
2668 /* case 6: */ /* all line tab stops are cleared */
2669 }
2670 break;
2671
2672 case CSI_RM: /* 8.3.107: RESET MODE */
2673 if (arg[0] == 4)
2674 rxvt_scr_insert_mode(aR_ 0);
2675 break;
2676
2677 case CSI_SM: /* 8.3.126: SET MODE */
2678 if (arg[0] == 4)
2679 rxvt_scr_insert_mode(aR_ 1);
2680 break;
2681
2682 /*
2683 * PRIVATE USE beyond this point. All CSI_7? sequences here
2684 */
2685 case CSI_72: /* DECSTBM: set top and bottom margins */
2686 if (nargs == 1)
2687 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2688 else if (nargs == 0 || arg[0] >= arg[1])
2689 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2690 else
2691 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2692 break;
2693
2694 case CSI_73:
2695 rxvt_scr_cursor(aR_ SAVE);
2696 break;
2697 case CSI_75:
2698 rxvt_scr_cursor(aR_ RESTORE);
2699 break;
2700
2701 #ifndef NO_FRILLS
2702 case CSI_74:
2703 rxvt_process_window_ops(aR_ arg, nargs);
2704 break;
2705 #endif
2706
2707 case CSI_78: /* DECREQTPARM */
2708 if (arg[0] == 0 || arg[0] == 1)
2709 rxvt_tt_printf(aR_ "\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2710 /* FALLTHROUGH */
2711
2712 default:
2713 break;
2714 }
2715 }
2716 /*}}} */
2717
2718 #ifndef NO_FRILLS
2719 /* ARGSUSED */
2720 /* INTPROTO */
2721 void
2722 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2723 {
2724 int x, y;
2725 #if 0
2726 char *s;
2727 #endif
2728 XWindowAttributes wattr;
2729 Window wdummy;
2730
2731 if (nargs == 0)
2732 return;
2733 switch (args[0]) {
2734 /*
2735 * commands
2736 */
2737 case 1: /* deiconify window */
2738 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2739 break;
2740 case 2: /* iconify window */
2741 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2742 DefaultScreen(R->Xdisplay));
2743 break;
2744 case 3: /* set position (pixels) */
2745 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2746 break;
2747 case 4: /* set size (pixels) */
2748 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2749 break;
2750 case 5: /* raise window */
2751 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2752 break;
2753 case 6: /* lower window */
2754 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2755 break;
2756 case 7: /* refresh window */
2757 rxvt_scr_touch(aR_ True);
2758 break;
2759 case 8: /* set size (chars) */
2760 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2761 (unsigned int)(args[1] * R->TermWin.fheight));
2762 break;
2763 default:
2764 if (args[0] >= 24) /* set height (chars) */
2765 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2766 (unsigned int)(args[1] * R->TermWin.fheight));
2767 break;
2768 /*
2769 * reports - some output format copied from XTerm
2770 */
2771 case 11: /* report window state */
2772 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2773 rxvt_tt_printf(aR_ "\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2774 break;
2775 case 13: /* report window position */
2776 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2777 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2778 -wattr.border_width, -wattr.border_width,
2779 &x, &y, &wdummy);
2780 rxvt_tt_printf(aR_ "\033[3;%d;%dt", x, y);
2781 break;
2782 case 14: /* report window size (pixels) */
2783 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2784 rxvt_tt_printf(aR_ "\033[4;%d;%dt", wattr.height, wattr.width);
2785 break;
2786 case 18: /* report window size (chars) */
2787 rxvt_tt_printf(aR_ "\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2788 break;
2789 #if 0 /* XXX: currently disabled due to security concerns */
2790 case 20: /* report icon label */
2791 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2792 rxvt_tt_printf(aR_ "\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2793 break;
2794 case 21: /* report window title */
2795 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2796 rxvt_tt_printf(aR_ "\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2797 break;
2798 #endif
2799 }
2800 }
2801 #endif
2802
2803 /*----------------------------------------------------------------------*/
2804 /*
2805 * get input up until STRING TERMINATOR (or BEL)
2806 * ends_how is terminator used. returned input must be free()d
2807 */
2808 /* INTPROTO */
2809 unsigned char *
2810 rxvt_get_to_st(pR_ unsigned char *ends_how)
2811 {
2812 int seen_esc = 0; /* seen escape? */
2813 unsigned int n = 0;
2814 unsigned char *s;
2815 unsigned char ch, string[STRING_MAX];
2816
2817 for (; (ch = rxvt_cmd_getc(aR));) {
2818 if (ch == C0_BEL
2819 || ch == CHAR_ST
2820 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2821 break;
2822 if (ch == C0_ESC) {
2823 seen_esc = 1;
2824 continue;
2825 } else if (ch == '\t')
2826 ch = ' '; /* translate '\t' to space */
2827 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2828 return NULL; /* other control character - exit */
2829 if (n < sizeof(string) - 1)
2830 string[n++] = ch;
2831 seen_esc = 0;
2832 }
2833 string[n++] = '\0';
2834 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2835 return NULL;
2836 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2837 STRNCPY(s, string, n);
2838 return s;
2839 }
2840
2841 /*----------------------------------------------------------------------*/
2842 /*
2843 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2844 */
2845 /* INTPROTO */
2846 void
2847 rxvt_process_dcs_seq(pR)
2848 {
2849 unsigned char eh, *s;
2850 /*
2851 * Not handled yet
2852 */
2853 s = rxvt_get_to_st(aR_ &eh);
2854 if (s)
2855 free(s);
2856 return;
2857 }
2858
2859 /*----------------------------------------------------------------------*/
2860 /*
2861 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2862 */
2863 /* INTPROTO */
2864 void
2865 rxvt_process_osc_seq(pR)
2866 {
2867 unsigned char ch, eh, *s;
2868 int arg;
2869
2870 ch = rxvt_cmd_getc(aR);
2871 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2872 arg = arg * 10 + (ch - '0');
2873
2874 if (ch == ';') {
2875 s = rxvt_get_to_st(aR_ &eh);
2876 if (s) {
2877 /*
2878 * rxvt_menubar_dispatch() violates the constness of the string,
2879 * so do it here
2880 */
2881 if (arg == XTerm_Menu)
2882 #if 0 /* XXX: currently disabled due to security concerns */
2883 rxvt_menubar_dispatch(aR_ (char *)s);
2884 #else
2885 0;
2886 #endif
2887 else
2888 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2889 free(s);
2890 }
2891 }
2892 }
2893 /*
2894 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2895 * 0 = change iconName/title
2896 * 1 = change iconName
2897 * 2 = change title
2898 * 4 = change color
2899 * 12 = change text color
2900 * 13 = change mouse foreground color
2901 * 17 = change highlight character colour
2902 * 18 = change bold character color
2903 * 19 = change underlined character color
2904 * 46 = change logfile (not implemented)
2905 * 50 = change font
2906 *
2907 * rxvt extensions:
2908 * 10 = menu (may change in future)
2909 * 20 = bg pixmap
2910 * 39 = change default fg color
2911 * 49 = change default bg color
2912 * 55 = dump scrollback buffer and all of screen
2913 */
2914 /* EXTPROTO */
2915 void
2916 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2917 {
2918 int changed = 0;
2919 int color;
2920 char *buf, *name;
2921
2922 assert(str != NULL);
2923 switch (op) {
2924 case XTerm_name:
2925 rxvt_set_title(aR_ str);
2926 /* FALLTHROUGH */
2927 case XTerm_iconName:
2928 rxvt_set_iconName(aR_ str);
2929 break;
2930 case XTerm_title:
2931 rxvt_set_title(aR_ str);
2932 break;
2933 case XTerm_Color:
2934 for (buf = (char *)str; buf && *buf;) {
2935 if ((name = STRCHR(buf, ';')) == NULL)
2936 break;
2937 *name++ = '\0';
2938 color = atoi(buf);
2939 if (color < 0 || color >= TOTAL_COLORS)
2940 break;
2941 if ((buf = STRCHR(name, ';')) != NULL)
2942 *buf++ = '\0';
2943 rxvt_set_window_color(aR_ color + minCOLOR, name);
2944 }
2945 break;
2946 #ifndef NO_CURSORCOLOR
2947 case XTerm_Color_cursor:
2948 rxvt_set_window_color(aR_ Color_cursor, str);
2949 break;
2950 #endif
2951 case XTerm_Color_pointer:
2952 rxvt_set_window_color(aR_ Color_pointer, str);
2953 break;
2954 #ifndef NO_BOLD_UNDERLINE_REVERSE
2955 case XTerm_Color_BD:
2956 rxvt_set_window_color(aR_ Color_BD, str);
2957 break;
2958 case XTerm_Color_UL:
2959 rxvt_set_window_color(aR_ Color_UL, str);
2960 break;
2961 case XTerm_Color_RV:
2962 rxvt_set_window_color(aR_ Color_RV, str);
2963 break;
2964 #endif
2965
2966 case XTerm_Menu:
2967 /*
2968 * rxvt_menubar_dispatch() violates the constness of the string,
2969 * so DON'T do it here
2970 */
2971 break;
2972 case XTerm_Pixmap:
2973 if (*str != ';') {
2974 #if XPM_BACKGROUND
2975 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2976 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2977 #endif
2978 rxvt_scr_touch(aR_ True);
2979 }
2980 while ((str = STRCHR(str, ';')) != NULL) {
2981 str++;
2982 #if XPM_BACKGROUND
2983 changed += rxvt_scale_pixmap(aR_ str);
2984 #endif
2985 }
2986 if (changed) {
2987 #ifdef XPM_BACKGROUND
2988 rxvt_resize_pixmap(aR);
2989 #endif
2990 rxvt_scr_touch(aR_ True);
2991 }
2992 break;
2993
2994 case XTerm_restoreFG:
2995 rxvt_set_window_color(aR_ Color_fg, str);
2996 break;
2997 case XTerm_restoreBG:
2998 rxvt_set_window_color(aR_ Color_bg, str);
2999 break;
3000 case XTerm_logfile:
3001 break;
3002 case XTerm_font:
3003 rxvt_change_font(aR_ 0, str);
3004 break;
3005 #if 0
3006 case XTerm_dumpscreen: /* no error notices */
3007 {
3008 int fd;
3009 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
3010 rxvt_scr_dump(aR_ fd);
3011 close(fd);
3012 }
3013 }
3014 break;
3015 #endif
3016 }
3017 }
3018 /*----------------------------------------------------------------------*/
3019
3020 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
3021 /*
3022 * mode can only have the following values:
3023 * 'l' = low
3024 * 'h' = high
3025 * 's' = save
3026 * 'r' = restore
3027 * 't' = toggle
3028 * so no need for fancy checking
3029 */
3030 /* INTPROTO */
3031 int
3032 rxvt_privcases(pR_ int mode, unsigned long bit)
3033 {
3034 int state;
3035
3036 if (mode == 's') {
3037 R->SavedModes |= (R->PrivateModes & bit);
3038 return -1;
3039 } else {
3040 if (mode == 'r')
3041 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */
3042 else
3043 state = (mode == 't') ? !(R->PrivateModes & bit) : mode;
3044 PrivMode(state, bit);
3045 }
3046 return state;
3047 }
3048
3049 /* we're not using priv _yet_ */
3050 /* INTPROTO */
3051 void
3052 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3053 {
3054 unsigned int i, j;
3055 int state;
3056 static const struct {
3057 const int argval;
3058 const unsigned long bit;
3059 } argtopriv[] = {
3060 { 1, PrivMode_aplCUR },
3061 { 2, PrivMode_vt52 },
3062 { 3, PrivMode_132 },
3063 { 4, PrivMode_smoothScroll },
3064 { 5, PrivMode_rVideo },
3065 { 6, PrivMode_relOrigin },
3066 { 7, PrivMode_Autowrap },
3067 { 9, PrivMode_MouseX10 },
3068 #ifdef menuBar_esc
3069 { menuBar_esc, PrivMode_menuBar },
3070 #endif
3071 #ifdef scrollBar_esc
3072 { scrollBar_esc, PrivMode_scrollBar },
3073 #endif
3074 { 25, PrivMode_VisibleCursor },
3075 { 35, PrivMode_ShiftKeys },
3076 { 40, PrivMode_132OK },
3077 { 47, PrivMode_Screen },
3078 { 66, PrivMode_aplKP },
3079 #ifndef NO_BACKSPACE_KEY
3080 { 67, PrivMode_BackSpace },
3081 #endif
3082 { 1000, PrivMode_MouseX11 },
3083 { 1010, PrivMode_TtyOutputInh },
3084 { 1011, PrivMode_Keypress },
3085 { 1047, PrivMode_Screen },
3086 };
3087
3088 if (nargs == 0)
3089 return;
3090
3091 /* make lo/hi boolean */
3092 if (mode == 'l')
3093 mode = 0; /* reset */
3094 else if (mode == 'h')
3095 mode = 1; /* set */
3096
3097 for (i = 0; i < nargs; i++) {
3098 state = -1;
3099
3100 /* basic handling */
3101 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3102 if (argtopriv[j].argval == arg[i]) {
3103 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3104 break;
3105 }
3106
3107 /* extra handling for values with state unkept */
3108 if (state == -1)
3109 switch (arg[i]) {
3110 case 1048: /* alternative cursor save */
3111 if (mode == 0)
3112 rxvt_scr_cursor(aR_ RESTORE);
3113 else if (mode == 1)
3114 rxvt_scr_cursor(aR_ SAVE);
3115 /* FALLTHROUGH */
3116 default:
3117 continue; /* for(;i;) */
3118 }
3119
3120 /* extra handling for values with valid 0 or 1 state */
3121 switch (arg[i]) {
3122 /* case 1: - application cursor keys */
3123 case 2: /* VT52 mode */
3124 /* oddball mode. should be set regardless of set/reset
3125 * parameter. Return from VT52 mode with an ESC < from
3126 * within VT52 mode
3127 */
3128 PrivMode(1, PrivMode_vt52);
3129 break;
3130 case 3: /* 80/132 */
3131 if (R->PrivateModes & PrivMode_132OK)
3132 rxvt_set_widthheight(aR_
3133 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3134 (unsigned int)R->TermWin.height);
3135 break;
3136 case 4: /* smooth scrolling */
3137 if (state)
3138 R->Options &= ~Opt_jumpScroll;
3139 else
3140 R->Options |= Opt_jumpScroll;
3141 break;
3142 case 5: /* reverse video */
3143 rxvt_scr_rvideo_mode(aR_ state);
3144 break;
3145 case 6: /* relative/absolute origins */
3146 rxvt_scr_relative_origin(aR_ state);
3147 break;
3148 case 7: /* autowrap */
3149 rxvt_scr_autowrap(aR_ state);
3150 break;
3151 /* case 8: - auto repeat, can't do on a per window basis */
3152 case 9: /* X10 mouse reporting */
3153 if (state) /* orthogonal */
3154 R->PrivateModes &= ~(PrivMode_MouseX11);
3155 break;
3156 #ifdef menuBar_esc
3157 case menuBar_esc:
3158 #ifdef MENUBAR
3159 rxvt_map_menuBar(aR_ state);
3160 #endif
3161 break;
3162 #endif
3163 #ifdef scrollBar_esc
3164 case scrollBar_esc:
3165 if (rxvt_scrollbar_mapping(aR_ state)) {
3166 rxvt_resize_all_windows(aR_ 0, 0, 0);
3167 rxvt_scr_touch(aR_ True);
3168 }
3169 break;
3170 #endif
3171 case 25: /* visible/invisible cursor */
3172 rxvt_scr_cursor_visible(aR_ state);
3173 break;
3174 /* case 35: - shift keys */
3175 /* case 40: - 80 <--> 132 mode */
3176 case 47: /* secondary screen */
3177 rxvt_scr_change_screen(aR_ state);
3178 break;
3179 /* case 66: - application key pad */
3180 /* case 67: - backspace key */
3181 case 1000: /* X11 mouse reporting */
3182 if (state) /* orthogonal */
3183 R->PrivateModes &= ~(PrivMode_MouseX10);
3184 break;
3185 #if 0
3186 case 1001:
3187 break; /* X11 mouse highlighting */
3188 #endif
3189 case 1010: /* scroll to bottom on TTY output inhibit */
3190 if (state)
3191 R->Options &= ~Opt_scrollTtyOutput;
3192 else
3193 R->Options |= Opt_scrollTtyOutput;
3194 break;
3195 case 1011: /* scroll to bottom on key press */
3196 if (state)
3197 R->Options |= Opt_scrollTtyKeypress;
3198 else
3199 R->Options &= ~Opt_scrollTtyKeypress;
3200 break;
3201 case 1047: /* secondary screen w/ clearing */
3202 if (R->current_screen != PRIMARY)
3203 rxvt_scr_erase_screen(aR_ 2);
3204 rxvt_scr_change_screen(aR_ state);
3205 /* FALLTHROUGH */
3206 default:
3207 break;
3208 }
3209 }
3210 }
3211 /*}}} */
3212
3213 /*{{{ process sgr sequences */
3214 /* INTPROTO */
3215 void
3216 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3217 {
3218 unsigned int i;
3219 short rendset;
3220 int rendstyle;
3221
3222 if (nargs == 0) {
3223 rxvt_scr_rendition(aR_ 0, ~RS_None);
3224 return;
3225 }
3226 for (i = 0; i < nargs; i++) {
3227 rendset = -1;
3228 switch (arg[i]) {
3229 case 0:
3230 rendset = 0, rendstyle = ~RS_None;
3231 break;
3232 case 1:
3233 rendset = 1, rendstyle = RS_Bold;
3234 break;
3235 case 4:
3236 rendset = 1, rendstyle = RS_Uline;
3237 break;
3238 case 5:
3239 rendset = 1, rendstyle = RS_Blink;
3240 break;
3241 case 7:
3242 rendset = 1, rendstyle = RS_RVid;
3243 break;
3244 case 22:
3245 rendset = 0, rendstyle = RS_Bold;
3246 break;
3247 case 24:
3248 rendset = 0, rendstyle = RS_Uline;
3249 break;
3250 case 25:
3251 rendset = 0, rendstyle = RS_Blink;
3252 break;
3253 case 27:
3254 rendset = 0, rendstyle = RS_RVid;
3255 break;
3256 }
3257 if (rendset != -1) {
3258 rxvt_scr_rendition(aR_ rendset, rendstyle);
3259 continue; /* for(;i;) */
3260 }
3261
3262 switch (arg[i]) {
3263 case 30:
3264 case 31: /* set fg color */
3265 case 32:
3266 case 33:
3267 case 34:
3268 case 35:
3269 case 36:
3270 case 37:
3271 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3272 Color_fg);
3273 break;
3274 #ifdef TTY_256COLOR
3275 case 38:
3276 if (nargs > i + 2 && arg[i + 1] == 5) {
3277 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3278 Color_fg);
3279 i += 2;
3280 }
3281 break;
3282 #endif
3283 case 39: /* default fg */
3284 rxvt_scr_color(aR_ Color_fg, Color_fg);
3285 break;
3286
3287 case 40:
3288 case 41: /* set bg color */
3289 case 42:
3290 case 43:
3291 case 44:
3292 case 45:
3293 case 46:
3294 case 47:
3295 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3296 Color_bg);
3297 break;
3298 #ifdef TTY_256COLOR
3299 case 48:
3300 if (nargs > i + 2 && arg[i + 1] == 5) {
3301 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3302 Color_bg);
3303 i += 2;
3304 }
3305 break;
3306 #endif
3307 case 49: /* default bg */
3308 rxvt_scr_color(aR_ Color_bg, Color_bg);
3309 break;
3310
3311 #ifndef NO_BRIGHTCOLOR
3312 case 90:
3313 case 91: /* set bright fg color */
3314 case 92:
3315 case 93:
3316 case 94:
3317 case 95:
3318 case 96:
3319 case 97:
3320 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3321 Color_fg);
3322 break;
3323 case 100:
3324 case 101: /* set bright bg color */
3325 case 102:
3326 case 103:
3327 case 104:
3328 case 105:
3329 case 106:
3330 case 107:
3331 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3332 Color_bg);
3333 break;
3334 #endif
3335 }
3336 }
3337 }
3338 /*}}} */
3339
3340 /*{{{ process Rob Nation's own graphics mode sequences */
3341 /* INTPROTO */
3342 void
3343 rxvt_process_graphics(pR)
3344 {
3345 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3346
3347 #ifndef RXVT_GRAPHICS
3348 if (cmd == 'Q') { /* query graphics */
3349 rxvt_tt_printf(aR_ "\033G0\n"); /* no graphics */
3350 return;
3351 }
3352 /* swallow other graphics sequences until terminating ':' */
3353 do
3354 ch = rxvt_cmd_getc(aR);
3355 while (ch != ':');
3356 #else
3357 unsigned int nargs;
3358 int args[NGRX_PTS];
3359 unsigned char *text = NULL;
3360
3361 if (cmd == 'Q') { /* query graphics */
3362 rxvt_tt_printf(aR_ "\033G1\n"); /* yes, graphics (color) */
3363 return;
3364 }
3365 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3366 int neg;
3367
3368 ch = rxvt_cmd_getc(aR);
3369 neg = (ch == '-');
3370 if (neg || ch == '+')
3371 ch = rxvt_cmd_getc(aR);
3372
3373 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3374 args[nargs] = args[nargs] * 10 + (ch - '0');
3375 if (neg)
3376 args[nargs] = -args[nargs];
3377
3378 nargs++;
3379 args[nargs] = 0;
3380 if (ch != ';')
3381 break;
3382 }
3383
3384 if ((cmd == 'T') && (nargs >= 5)) {
3385 int i, len = args[4];
3386
3387 text = rxvt_malloc((len + 1) * sizeof(char));
3388
3389 if (text != NULL) {
3390 for (i = 0; i < len; i++)
3391 text[i] = rxvt_cmd_getc(aR);
3392 text[len] = '\0';
3393 }
3394 }
3395 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3396 #endif
3397 }
3398 /*}}} */
3399
3400 /* ------------------------------------------------------------------------- */
3401
3402 /*
3403 * Send printf() formatted output to the command.
3404 * Only use for small amounts of data.
3405 */
3406 /* EXTPROTO */
3407 void
3408 rxvt_tt_printf(pR_ const char *fmt,...)
3409 {
3410 va_list arg_ptr;
3411 unsigned char buf[256];
3412
3413 va_start(arg_ptr, fmt);
3414 vsprintf((char *)buf, fmt, arg_ptr);
3415 va_end(arg_ptr);
3416 rxvt_tt_write(aR_ buf, (unsigned int)STRLEN(buf));
3417 }
3418
3419 /* ---------------------------------------------------------------------- */
3420 /* Addresses pasting large amounts of data and rxvt hang
3421 * code pinched from xterm (v_write()) and applied originally to
3422 * rxvt-2.18 - Hops
3423 * Write data to the pty as typed by the user, pasted with the mouse,
3424 * or generated by us in response to a query ESC sequence.
3425 */
3426 /* EXTPROTO */
3427 void
3428 rxvt_tt_write(pR_ const unsigned char *d, unsigned int len)
3429 {
3430 #define MAX_PTY_WRITE 256 /* POSIX minimum MAX_INPUT */
3431 int riten;
3432 unsigned int p;
3433 unsigned char *v_buffer, /* start of physical buffer */
3434 *v_bufstr, /* start of current buffer pending */
3435 *v_bufptr, /* end of current buffer pending */
3436 *v_bufend; /* end of physical buffer */
3437
3438 if (R->v_bufstr == NULL && len > 0) {
3439 p = (len / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3440 v_buffer = v_bufstr = v_bufptr = (unsigned char *)rxvt_malloc(p);
3441 v_bufend = v_buffer + p;
3442 } else {
3443 v_buffer = R->v_buffer;
3444 v_bufstr = R->v_bufstr;
3445 v_bufptr = R->v_bufptr;
3446 v_bufend = R->v_bufend;
3447 }
3448
3449 /*
3450 * Append to the block we already have. Always doing this simplifies the
3451 * code, and isn't too bad, either. If this is a short block, it isn't
3452 * too expensive, and if this is a long block, we won't be able to write
3453 * it all anyway.
3454 */
3455 if (len > 0) {
3456 if (v_bufend < v_bufptr + len) { /* run out of room */
3457 if (v_bufstr != v_buffer) {
3458 /* there is unused space, move everything down */
3459 MEMMOVE(v_buffer, v_bufstr,
3460 (unsigned int)(v_bufptr - v_bufstr));
3461 v_bufptr -= v_bufstr - v_buffer;
3462 v_bufstr = v_buffer;
3463 }
3464 if (v_bufend < v_bufptr + len) {
3465 /* still won't fit: get more space */
3466 /* use most basic realloc because an error is not fatal. */
3467 unsigned int size = v_bufptr - v_buffer;
3468 unsigned int reallocto;
3469
3470 reallocto = ((size + len) / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3471 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3472 /* save across realloc */
3473 if (v_buffer) {
3474 v_bufstr = v_buffer;
3475 v_bufptr = v_buffer + size;
3476 v_bufend = v_buffer + reallocto;
3477 } else { /* no memory: ignore entire write request */
3478 rxvt_print_error("data loss: cannot allocate buffer space");
3479 v_buffer = v_bufstr; /* restore clobbered pointer */
3480 }
3481 }
3482 }
3483 if (v_bufend >= v_bufptr + len) { /* new stuff will fit */
3484 MEMCPY(v_bufptr, d, len);
3485 v_bufptr += len;
3486 }
3487 }
3488
3489 /*
3490 * Write out as much of the buffer as we can.
3491 * Be careful not to overflow the pty's input silo.
3492 * We are conservative here and only write a small amount at a time.
3493 *
3494 * If we can't push all the data into the pty yet, we expect write
3495 * to return a non-negative number less than the length requested
3496 * (if some data written) or -1 and set errno to EAGAIN,
3497 * EWOULDBLOCK, or EINTR (if no data written).
3498 *
3499 * (Not all systems do this, sigh, so the code is actually
3500 * a little more forgiving.)
3501 */
3502 if ((p = v_bufptr - v_bufstr) > 0) {
3503 riten = write(R->cmd_fd, v_bufstr, min(p, MAX_PTY_WRITE));
3504 if (riten < 0)
3505 riten = 0;
3506 v_bufstr += riten;
3507 if (v_bufstr >= v_bufptr) /* we wrote it all */
3508 v_bufstr = v_bufptr = v_buffer;
3509 }
3510 /*
3511 * If we have lots of unused memory allocated, return it
3512 */
3513 if (v_bufend - v_bufptr > MAX_PTY_WRITE * 8) { /* arbitrary hysteresis */
3514 /* save pointers across realloc */
3515 unsigned int start = v_bufstr - v_buffer;
3516 unsigned int size = v_bufptr - v_buffer;
3517 unsigned int reallocto;
3518
3519 reallocto = (size / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3520 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3521 if (v_buffer) {
3522 v_bufstr = v_buffer + start;
3523 v_bufptr = v_buffer + size;
3524 v_bufend = v_buffer + reallocto;
3525 } else {
3526 /* should we print a warning if couldn't return memory? */
3527 v_buffer = v_bufstr - start; /* restore clobbered pointer */
3528 }
3529 }
3530 R->v_buffer = v_buffer;
3531 R->v_bufstr = v_bufstr;
3532 R->v_bufptr = v_bufptr;
3533 R->v_bufend = v_bufend;
3534 }
3535 /*----------------------- end-of-file (C source) -----------------------*/
3536