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Revision: 1.6
Committed: Tue Nov 25 17:11:33 2003 UTC (20 years, 5 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.5: +41 -147 lines
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File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.5 2003/11/25 15:44:38 pcg Exp $
5 *
6 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
10 * - extensive modifications
11 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
12 * - vt100 printing
13 * Copyright (c) 1995 Steven Hirsch <hirsch@emba.uvm.edu>
14 * - X11 mouse report mode and support for
15 * DEC "private mode" save/restore functions.
16 * Copyright (c) 1995 Jakub Jelinek <jj@gnu.ai.mit.edu>
17 * - key-related changes to handle Shift+function
18 * keys properly.
19 * Copyright (c) 1997 MJ Olesen <olesen@me.queensu.ca>
20 * - extensive modifications
21 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es>
22 * - modification and cleanups for Solaris 2.x
23 * and Linux 1.2.x
24 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
25 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
26 * - extensive modifications
27 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
28 * Copyright (c) 2001 Marius Gedminas
29 * - Ctrl/Mod4+Tab works like Meta+Tab (options)
30 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org>
31 *
32 * This program is free software; you can redistribute it and/or modify
33 * it under the terms of the GNU General Public License as published by
34 * the Free Software Foundation; either version 2 of the License, or
35 * (at your option) any later version.
36 *
37 * This program is distributed in the hope that it will be useful,
38 * but WITHOUT ANY WARRANTY; without even the implied warranty of
39 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
40 * GNU General Public License for more details.
41 *
42 * You should have received a copy of the GNU General Public License
43 * along with this program; if not, write to the Free Software
44 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 *----------------------------------------------------------------------*/
46
47 /*{{{ includes: */
48 #include "../config.h" /* NECESSARY */
49 #include "rxvt.h" /* NECESSARY */
50 #include "version.h"
51 #include "command.h"
52
53 /*----------------------------------------------------------------------*/
54
55 /*{{{ Convert the keypress event into a string */
56 /* INTPROTO */
57 void
58 rxvt_lookup_key(pR_ XKeyEvent *ev)
59 {
60 int ctrl, meta, shft, len;
61 unsigned int newlen;
62 KeySym keysym;
63 #ifdef DEBUG_CMD
64 static int debug_key = 1; /* accessible by a debugger only */
65 #endif
66 #ifdef USE_XIM
67 int valid_keysym;
68 #endif
69 unsigned char *kbuf = R->kbuf;
70
71 /*
72 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
73 * escape sequence to toggle the Keypad.
74 *
75 * Always permit `shift' to override the current setting
76 */
77 shft = (ev->state & ShiftMask);
78 ctrl = (ev->state & ControlMask);
79 meta = (ev->state & R->ModMetaMask);
80 if (R->numlock_state || (ev->state & R->ModNumLockMask)) {
81 R->numlock_state = (ev->state & R->ModNumLockMask);
82 PrivMode((!R->numlock_state), PrivMode_aplKP);
83 }
84 #ifdef USE_XIM
85 if (R->Input_Context != NULL) {
86 Status status_return;
87
88 kbuf[0] = '\0';
89 #ifdef X_HAVE_UTF8_STRING
90 len = Xutf8LookupString(R->Input_Context, ev, (char *)kbuf,
91 KBUFSZ, &keysym, &status_return);
92 #else
93 len = XmbLookupString(R->Input_Context, ev, (char *)kbuf,
94 KBUFSZ, &keysym, &status_return);
95 #endif
96 valid_keysym = ((status_return == XLookupKeySym)
97 || (status_return == XLookupBoth));
98 } else {
99 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
100 &R->compose);
101 valid_keysym = 1;
102 }
103 #else /* USE_XIM */
104 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
105 &R->compose);
106 /*
107 * map unmapped Latin[2-4]/Katakana/Arabic/Cyrillic/Greek entries -> Latin1
108 * good for installations with correct fonts, but without XLOCALE
109 */
110 if (!len) {
111 if ((keysym >= 0x0100) && (keysym < 0x0800)) {
112 kbuf[0] = (keysym & 0xFF);
113 kbuf[1] = '\0';
114 len = 1;
115 } else
116 kbuf[0] = '\0';
117 }
118 #endif /* USE_XIM */
119
120 #ifdef USE_XIM
121 if (valid_keysym)
122 #endif
123 {
124 /* for some backwards compatibility */
125 #if defined(HOTKEY_CTRL) || defined(HOTKEY_META)
126 # ifdef HOTKEY_CTRL
127 if (ctrl) {
128 # else
129 if (meta) {
130 # endif
131 if (keysym == R->ks_bigfont) {
132 rxvt_change_font(aR_ 0, FONT_UP);
133 return;
134 } else if (keysym == R->ks_smallfont) {
135 rxvt_change_font(aR_ 0, FONT_DN);
136 return;
137 }
138 }
139 #endif
140
141 if (R->TermWin.saveLines) {
142 #ifdef UNSHIFTED_SCROLLKEYS
143 if (!ctrl && !meta) {
144 #else
145 if (IS_SCROLL_MOD) {
146 #endif
147 int lnsppg;
148
149 #ifdef PAGING_CONTEXT_LINES
150 lnsppg = R->TermWin.nrow - PAGING_CONTEXT_LINES;
151 #else
152 lnsppg = R->TermWin.nrow * 4 / 5;
153 #endif
154 if (keysym == XK_Prior) {
155 rxvt_scr_page(aR_ UP, lnsppg);
156 return;
157 } else if (keysym == XK_Next) {
158 rxvt_scr_page(aR_ DN, lnsppg);
159 return;
160 }
161 }
162 #ifdef SCROLL_ON_UPDOWN_KEYS
163 if (IS_SCROLL_MOD) {
164 if (keysym == XK_Up) {
165 rxvt_scr_page(aR_ UP, 1);
166 return;
167 } else if (keysym == XK_Down) {
168 rxvt_scr_page(aR_ DN, 1);
169 return;
170 }
171 }
172 #endif
173 #ifdef SCROLL_ON_HOMEEND_KEYS
174 if (IS_SCROLL_MOD) {
175 if (keysym == XK_Home) {
176 rxvt_scr_move_to(aR_ 0, 1);
177 return;
178 } else if (keysym == XK_End) {
179 rxvt_scr_move_to(aR_ 1, 0);
180 return;
181 }
182 }
183 #endif
184 }
185
186 if (shft) {
187 /* Shift + F1 - F10 generates F11 - F20 */
188 if (keysym >= XK_F1 && keysym <= XK_F10) {
189 keysym += (XK_F11 - XK_F1);
190 shft = 0; /* turn off Shift */
191 } else if (!ctrl && !meta && (R->PrivateModes & PrivMode_ShiftKeys)) {
192 switch (keysym) {
193 /* normal XTerm key bindings */
194 case XK_Insert: /* Shift+Insert = paste mouse selection */
195 rxvt_selection_request(aR_ ev->time, 0, 0);
196 return;
197 /* rxvt extras */
198 case XK_KP_Add: /* Shift+KP_Add = bigger font */
199 rxvt_change_font(aR_ 0, FONT_UP);
200 return;
201 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
202 rxvt_change_font(aR_ 0, FONT_DN);
203 return;
204 }
205 }
206 }
207 #ifdef PRINTPIPE
208 if (keysym == XK_Print) {
209 rxvt_scr_printscreen(aR_ ctrl | shft);
210 return;
211 }
212 #endif
213 #ifdef GREEK_SUPPORT
214 if (keysym == R->ks_greekmodeswith) {
215 R->greek_mode = !R->greek_mode;
216 if (R->greek_mode) {
217 rxvt_xterm_seq(aR_ XTerm_title,
218 (greek_getmode() == GREEK_ELOT928
219 ? "[Greek: iso]" : "[Greek: ibm]"), CHAR_ST);
220 greek_reset();
221 } else
222 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
223 return;
224 }
225 #endif
226
227 if (keysym >= 0xFF00 && keysym <= 0xFFFF) {
228 #ifdef KEYSYM_RESOURCE
229 if (!(shft | ctrl) && R->Keysym_map[keysym & 0xFF] != NULL) {
230 unsigned int l;
231 const unsigned char *kbuf0;
232 const unsigned char ch = C0_ESC;
233
234 kbuf0 = (R->Keysym_map[keysym & 0xFF]);
235 l = (unsigned int)*kbuf0++;
236
237 /* escape prefix */
238 if (meta)
239 # ifdef META8_OPTION
240 if (R->meta_char == C0_ESC)
241 # endif
242 rxvt_tt_write(aR_ &ch, 1);
243 rxvt_tt_write(aR_ kbuf0, l);
244 return;
245 } else
246 #endif
247 {
248 newlen = 1;
249 switch (keysym) {
250 #ifndef NO_BACKSPACE_KEY
251 case XK_BackSpace:
252 if (R->PrivateModes & PrivMode_HaveBackSpace) {
253 kbuf[0] = (!!(R->PrivateModes & PrivMode_BackSpace)
254 ^ !!ctrl) ? '\b' : '\177';
255 kbuf[1] = '\0';
256 } else
257 STRCPY(kbuf, R->key_backspace);
258 # ifdef MULTICHAR_SET
259 if ((R->Options & Opt_mc_hack) && R->screen.cur.col > 0) {
260 int col, row;
261
262 newlen = STRLEN(kbuf);
263 col = R->screen.cur.col - 1;
264 row = R->screen.cur.row + R->TermWin.saveLines;
265 if (IS_MULTI2(R->screen.rend[row][col]))
266 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
267 }
268 # endif
269 break;
270 #endif
271 #ifndef NO_DELETE_KEY
272 case XK_Delete:
273 STRCPY(kbuf, R->key_delete);
274 # ifdef MULTICHAR_SET
275 if (R->Options & Opt_mc_hack) {
276 int col, row;
277
278 newlen = STRLEN(kbuf);
279 col = R->screen.cur.col;
280 row = R->screen.cur.row + R->TermWin.saveLines;
281 if (IS_MULTI1(R->screen.rend[row][col]))
282 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
283 }
284 # endif
285 break;
286 #endif
287 case XK_Tab:
288 if (shft)
289 STRCPY(kbuf, "\033[Z");
290 else {
291 #ifdef CTRL_TAB_MAKES_META
292 if (ctrl)
293 meta = 1;
294 #endif
295 #ifdef MOD4_TAB_MAKES_META
296 if (ev->state & Mod4Mask)
297 meta = 1;
298 #endif
299 newlen = 0;
300 }
301 break;
302
303
304 #ifdef XK_KP_Left
305 case XK_KP_Up: /* \033Ox or standard */
306 case XK_KP_Down: /* \033Or or standard */
307 case XK_KP_Right: /* \033Ov or standard */
308 case XK_KP_Left: /* \033Ot or standard */
309 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
310 STRCPY(kbuf, "\033OZ");
311 kbuf[2] = ("txvr"[keysym - XK_KP_Left]);
312 break;
313 } else
314 /* translate to std. cursor key */
315 keysym = XK_Left + (keysym - XK_KP_Left);
316 /* FALLTHROUGH */
317 #endif
318 case XK_Up: /* "\033[A" */
319 case XK_Down: /* "\033[B" */
320 case XK_Right: /* "\033[C" */
321 case XK_Left: /* "\033[D" */
322 STRCPY(kbuf, "\033[Z");
323 kbuf[2] = ("DACB"[keysym - XK_Left]);
324 /* do Shift first */
325 if (shft)
326 kbuf[2] = ("dacb"[keysym - XK_Left]);
327 else if (ctrl) {
328 kbuf[1] = 'O';
329 kbuf[2] = ("dacb"[keysym - XK_Left]);
330 } else if (R->PrivateModes & PrivMode_aplCUR)
331 kbuf[1] = 'O';
332 #ifdef MULTICHAR_SET
333 //TODO: ??
334 if (R->Options & Opt_mc_hack) {
335 int col, row, m;
336
337 col = R->screen.cur.col;
338 row = R->screen.cur.row + R->TermWin.saveLines;
339 m = 0;
340 if (keysym == XK_Right
341 && IS_MULTI1(R->screen.rend[row][col]))
342 m = 1;
343 else if (keysym == XK_Left) {
344 if (col > 0) {
345 if (IS_MULTI2(R->screen.rend[row][col - 1]))
346 m = 1;
347 } else if (R->screen.cur.row > 0) {
348 col = R->screen.tlen[--row];
349 if (col == -1)
350 col = R->TermWin.ncol - 1;
351 else
352 col--;
353 if (col > 0
354 && IS_MULTI2(R->screen.rend[row][col]))
355 m = 1;
356 }
357 }
358 if (m)
359 MEMMOVE(kbuf + 3, kbuf, 3 + 1);
360 }
361 #endif
362 break;
363
364 #ifndef UNSHIFTED_SCROLLKEYS
365 # ifdef XK_KP_Prior
366 case XK_KP_Prior:
367 /* allow shift to override */
368 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
369 STRCPY(kbuf, "\033Oy");
370 break;
371 }
372 /* FALLTHROUGH */
373 # endif
374 case XK_Prior:
375 STRCPY(kbuf, "\033[5~");
376 break;
377 # ifdef XK_KP_Next
378 case XK_KP_Next:
379 /* allow shift to override */
380 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
381 STRCPY(kbuf, "\033Os");
382 break;
383 }
384 /* FALLTHROUGH */
385 # endif
386 case XK_Next:
387 STRCPY(kbuf, "\033[6~");
388 break;
389 #endif
390 case XK_KP_Enter:
391 /* allow shift to override */
392 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
393 STRCPY(kbuf, "\033OM");
394 } else {
395 kbuf[0] = '\r';
396 kbuf[1] = '\0';
397 }
398 break;
399
400 #ifdef XK_KP_Begin
401 case XK_KP_Begin:
402 STRCPY(kbuf, "\033Ou");
403 break;
404
405 case XK_KP_Insert:
406 STRCPY(kbuf, "\033Op");
407 break;
408
409 case XK_KP_Delete:
410 STRCPY(kbuf, "\033On");
411 break;
412 #endif
413 case XK_KP_F1: /* "\033OP" */
414 case XK_KP_F2: /* "\033OQ" */
415 case XK_KP_F3: /* "\033OR" */
416 case XK_KP_F4: /* "\033OS" */
417 STRCPY(kbuf, "\033OP");
418 kbuf[2] += (keysym - XK_KP_F1);
419 break;
420
421 case XK_KP_Multiply: /* "\033Oj" : "*" */
422 case XK_KP_Add: /* "\033Ok" : "+" */
423 case XK_KP_Separator: /* "\033Ol" : "," */
424 case XK_KP_Subtract: /* "\033Om" : "-" */
425 case XK_KP_Decimal: /* "\033On" : "." */
426 case XK_KP_Divide: /* "\033Oo" : "/" */
427 case XK_KP_0: /* "\033Op" : "0" */
428 case XK_KP_1: /* "\033Oq" : "1" */
429 case XK_KP_2: /* "\033Or" : "2" */
430 case XK_KP_3: /* "\033Os" : "3" */
431 case XK_KP_4: /* "\033Ot" : "4" */
432 case XK_KP_5: /* "\033Ou" : "5" */
433 case XK_KP_6: /* "\033Ov" : "6" */
434 case XK_KP_7: /* "\033Ow" : "7" */
435 case XK_KP_8: /* "\033Ox" : "8" */
436 case XK_KP_9: /* "\033Oy" : "9" */
437 /* allow shift to override */
438 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
439 STRCPY(kbuf, "\033Oj");
440 kbuf[2] += (keysym - XK_KP_Multiply);
441 } else {
442 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
443 kbuf[1] = '\0';
444 }
445 break;
446
447 case XK_Find:
448 STRCPY(kbuf, "\033[1~");
449 break;
450 case XK_Insert:
451 STRCPY(kbuf, "\033[2~");
452 break;
453 #ifdef DXK_Remove /* support for DEC remove like key */
454 case DXK_Remove:
455 /* FALLTHROUGH */
456 #endif
457 case XK_Execute:
458 STRCPY(kbuf, "\033[3~");
459 break;
460 case XK_Select:
461 STRCPY(kbuf, "\033[4~");
462 break;
463 #ifdef XK_KP_End
464 case XK_KP_End:
465 /* allow shift to override */
466 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
467 STRCPY(kbuf, "\033Oq");
468 break;
469 }
470 /* FALLTHROUGH */
471 #endif
472 case XK_End:
473 STRCPY(kbuf, KS_END);
474 break;
475 #ifdef XK_KP_Home
476 case XK_KP_Home:
477 /* allow shift to override */
478 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
479 STRCPY(kbuf, "\033Ow");
480 break;
481 }
482 /* FALLTHROUGH */
483 #endif
484 case XK_Home:
485 STRCPY(kbuf, KS_HOME);
486 break;
487
488 #define FKEY(n, fkey) \
489 sprintf((char *)kbuf,"\033[%2d~", (int)((n) + (keysym - fkey)))
490
491 case XK_F1: /* "\033[11~" */
492 case XK_F2: /* "\033[12~" */
493 case XK_F3: /* "\033[13~" */
494 case XK_F4: /* "\033[14~" */
495 case XK_F5: /* "\033[15~" */
496 FKEY(11, XK_F1);
497 break;
498 case XK_F6: /* "\033[17~" */
499 case XK_F7: /* "\033[18~" */
500 case XK_F8: /* "\033[19~" */
501 case XK_F9: /* "\033[20~" */
502 case XK_F10: /* "\033[21~" */
503 FKEY(17, XK_F6);
504 break;
505 case XK_F11: /* "\033[23~" */
506 case XK_F12: /* "\033[24~" */
507 case XK_F13: /* "\033[25~" */
508 case XK_F14: /* "\033[26~" */
509 FKEY(23, XK_F11);
510 break;
511 case XK_F15: /* "\033[28~" */
512 case XK_F16: /* "\033[29~" */
513 FKEY(28, XK_F15);
514 break;
515 case XK_Help: /* "\033[28~" */
516 FKEY(28, XK_Help);
517 break;
518 case XK_Menu: /* "\033[29~" */
519 FKEY(29, XK_Menu);
520 break;
521 case XK_F17: /* "\033[31~" */
522 case XK_F18: /* "\033[32~" */
523 case XK_F19: /* "\033[33~" */
524 case XK_F20: /* "\033[34~" */
525 case XK_F21: /* "\033[35~" */
526 case XK_F22: /* "\033[36~" */
527 case XK_F23: /* "\033[37~" */
528 case XK_F24: /* "\033[38~" */
529 case XK_F25: /* "\033[39~" */
530 case XK_F26: /* "\033[40~" */
531 case XK_F27: /* "\033[41~" */
532 case XK_F28: /* "\033[42~" */
533 case XK_F29: /* "\033[43~" */
534 case XK_F30: /* "\033[44~" */
535 case XK_F31: /* "\033[45~" */
536 case XK_F32: /* "\033[46~" */
537 case XK_F33: /* "\033[47~" */
538 case XK_F34: /* "\033[48~" */
539 case XK_F35: /* "\033[49~" */
540 FKEY(31, XK_F17);
541 break;
542 #undef FKEY
543 default:
544 newlen = 0;
545 break;
546 }
547 if (newlen)
548 len = STRLEN(kbuf);
549 }
550 /*
551 * Pass meta for all function keys, if 'meta' option set
552 */
553 #ifdef META8_OPTION
554 if (meta && (R->meta_char == 0x80) && len > 0)
555 kbuf[len - 1] |= 0x80;
556 #endif
557 } else if (ctrl && keysym == XK_minus) {
558 len = 1;
559 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
560 } else {
561 #ifdef META8_OPTION
562 /* set 8-bit on */
563 if (meta && (R->meta_char == 0x80)) {
564 unsigned char *ch;
565
566 for (ch = kbuf; ch < kbuf + len; ch++)
567 *ch |= 0x80;
568 meta = 0;
569 }
570 #endif
571 #ifdef GREEK_SUPPORT
572 if (R->greek_mode)
573 len = greek_xlat(kbuf, len);
574 #endif
575 /* nil */ ;
576 }
577 }
578
579 if (len <= 0)
580 return; /* not mapped */
581
582 if (R->Options & Opt_scrollTtyKeypress)
583 if (R->TermWin.view_start) {
584 R->TermWin.view_start = 0;
585 R->want_refresh = 1;
586 }
587
588 /*
589 * these modifications only affect the static keybuffer
590 * pass Shift/Control indicators for function keys ending with `~'
591 *
592 * eg,
593 * Prior = "ESC[5~"
594 * Shift+Prior = "ESC[5$"
595 * Ctrl+Prior = "ESC[5^"
596 * Ctrl+Shift+Prior = "ESC[5@"
597 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
598 */
599 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
600 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
601
602 /* escape prefix */
603 if (meta
604 #ifdef META8_OPTION
605 && (R->meta_char == C0_ESC)
606 #endif
607 ) {
608 const unsigned char ch = C0_ESC;
609
610 rxvt_tt_write(aR_ &ch, 1);
611 }
612 #ifdef DEBUG_CMD
613 if (debug_key) { /* Display keyboard buffer contents */
614 char *p;
615 int i;
616
617 fprintf(stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
618 for (i = 0, p = kbuf; i < len; i++, p++)
619 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
620 fprintf(stderr, "'\n");
621 }
622 #endif /* DEBUG_CMD */
623 rxvt_tt_write(aR_ kbuf, (unsigned int)len);
624 }
625 /*}}} */
626
627 #if (MENUBAR_MAX)
628 /*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
629 /* attempt to `write' count to the input buffer */
630 /* EXTPROTO */
631 unsigned int
632 rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
633 {
634 unsigned int n, s;
635 unsigned char *cmdbuf_base = R->cmdbuf_base,
636 *cmdbuf_endp = R->cmdbuf_endp,
637 *cmdbuf_ptr = R->cmdbuf_ptr;
638
639 n = cmdbuf_ptr - cmdbuf_base;
640 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp;
641 if (n > 0 && s < count) {
642 MEMMOVE(cmdbuf_base, cmdbuf_ptr,
643 (unsigned int)(cmdbuf_endp - cmdbuf_ptr));
644 cmdbuf_ptr = cmdbuf_base;
645 cmdbuf_endp -= n;
646 s += n;
647 }
648 if (count > s) {
649 rxvt_print_error("data loss: cmd_write too large");
650 count = s;
651 }
652 for (; count--;)
653 *cmdbuf_endp++ = *str++;
654 R->cmdbuf_ptr = cmdbuf_ptr;
655 R->cmdbuf_endp = cmdbuf_endp;
656 return 0;
657 }
658 #endif /* MENUBAR_MAX */
659
660 void
661 rxvt_term::process_x_events ()
662 {
663 do
664 {
665 XEvent xev;
666
667 XNextEvent (Xdisplay, &xev);
668
669 #if defined(CURSOR_BLINK)
670 if ((Options & Opt_cursorBlink)
671 && xev.type == KeyPress)
672 {
673 if (hidden_cursor)
674 {
675 hidden_cursor = 0;
676 want_refresh = 1;
677 }
678
679 blink_ev.start (NOW + BLINK_INTERVAL);
680 }
681 #endif
682
683 #if defined(POINTER_BLANK)
684 if ((Options & Opt_pointerBlank)
685 && (pointerBlankDelay > 0))
686 {
687 if (xev.type == MotionNotify
688 || xev.type == ButtonPress
689 || xev.type == ButtonRelease)
690 if (hidden_pointer)
691 pointer_unblank ();
692
693 if (xev.type == KeyPress && hidden_pointer == 0)
694 pointer_blank ();
695 }
696 #endif
697
698 #ifdef USE_XIM
699 if (!XFilterEvent (&xev, xev.xany.window))
700 #endif
701 rxvt_process_x_event (this, &xev);
702 }
703 while (XPending (Xdisplay));
704 }
705
706 void
707 rxvt_term::blink_cb (time_watcher &w)
708 {
709 w.at += BLINK_INTERVAL;
710 hidden_cursor = !hidden_cursor;
711 want_refresh = 1;
712 flush();
713 }
714
715 void
716 rxvt_term::x_cb (io_watcher &w, short revents)
717 {
718 process_x_events ();
719
720 flush ();
721 }
722
723 // read the next character, currently handles UTF-8
724 // will probably handle all sorts of other stuff in the future
725 uint32_t
726 rxvt_term::next_char ()
727 {
728 struct mbstate &s = mbstate;
729
730 while (cmdbuf_ptr < cmdbuf_endp)
731 {
732 uint8_t ch = *cmdbuf_ptr;
733
734 if (s.cnt)
735 {
736 if ((ch & 0xc0) == 0x80)
737 {
738 cmdbuf_ptr++;
739
740 /* continuation */
741 s.reg = (s.reg << 6) | (ch & 0x7f);
742
743 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
744 return s.reg;
745
746 continue;
747 }
748 else
749 {
750 s.cnt = 0;
751 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */
752 }
753 }
754
755 if ((ch & 0xc0) == 0xc0)
756 {
757 cmdbuf_ptr++;
758
759 /* first byte */
760 s.orig = ch; /* for broken encodings */
761 s.reg = ch;
762 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; }
763 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; }
764 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; }
765 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; }
766 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; }
767 }
768 else
769 {
770 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */
771 return ch;
772 }
773 }
774
775 return NOCHAR;
776 }
777
778 bool
779 rxvt_term::pty_fill (size_t count)
780 {
781 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
782
783 memmove (cmdbuf_base, cmdbuf_ptr, n);
784 cmdbuf_ptr = cmdbuf_base;
785 cmdbuf_endp = cmdbuf_ptr + n;
786
787 n = read (cmd_fd, cmdbuf_endp, count);
788
789 if (n > 0)
790 {
791 cmdbuf_endp += n;
792 return true;
793 }
794 else if (n < 0 && errno == EAGAIN)
795 return false;
796
797 rxvt_clean_exit();
798 exit(EXIT_FAILURE); /* bad order of events? */
799 }
800
801 void
802 rxvt_term::pty_cb (io_watcher &w, short revents)
803 {
804 while (pty_fill (BUFSIZ - (cmdbuf_endp - cmdbuf_ptr)))
805 {
806 /* once we know the shell is running, send the screen size. Again! */
807 //ch = rxvt_cmd_getc(aR); /* wait for something */
808 //rxvt_tt_winsize(cmd_fd, TermWin.ncol, TermWin.nrow, cmd_pid);
809
810 uint32_t ch = NOCHAR;
811
812 for (;;)
813 {
814 if (ch == NOCHAR)
815 ch = next_char ();
816
817 if (ch == NOCHAR) // TODO: improve
818 break;
819
820 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
821 {
822 /* Read a text string from the input buffer */
823 uint32_t buf[BUFSIZ];
824 bool refreshnow = false;
825 int nlines = 0;
826 uint32_t *str = buf;
827
828 *str++ = ch;
829
830 for (;;)
831 {
832 ch = next_char ();
833
834 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
835 break;
836 else
837 {
838 *str++ = ch;
839
840 if (ch == '\n')
841 {
842 nlines++;
843 refresh_count++;
844
845 if (!(Options & Opt_jumpScroll)
846 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
847 {
848 refreshnow = true;
849 ch = NOCHAR;
850 break;
851 }
852 }
853
854 if (str >= buf + BUFSIZ)
855 {
856 ch = NOCHAR;
857 break;
858 }
859 }
860 }
861
862 rxvt_scr_add_lines (this, buf, nlines, str - buf);
863
864 /*
865 * If there have been a lot of new lines, then update the screen
866 * What the heck I'll cheat and only refresh less than every page-full.
867 * the number of pages between refreshes is refresh_limit, which
868 * is incremented here because we must be doing flat-out scrolling.
869 *
870 * refreshing should be correct for small scrolls, because of the
871 * time-out
872 */
873 if (refreshnow)
874 {
875 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
876 refresh_limit++;
877
878 rxvt_scr_refresh (this, refresh_type);
879 }
880
881 }
882 else
883 {
884 switch (ch)
885 {
886 default:
887 rxvt_process_nonprinting (this, ch);
888 break;
889 case C0_ESC: /* escape char */
890 rxvt_process_escape_seq (this);
891 break;
892 /*case 0x9b: */ /* CSI */
893 /* rxvt_process_csi_seq (this); */
894 }
895
896 ch = NOCHAR;
897 }
898 }
899 }
900
901 flush ();
902 }
903
904 void
905 rxvt_term::flush ()
906 {
907 #ifdef TRANSPARENT
908 if (want_full_refresh)
909 {
910 want_full_refresh = 0;
911 rxvt_scr_clear (this);
912 rxvt_scr_touch (this, False);
913 want_refresh = 1;
914 }
915 #endif
916
917 if (want_refresh)
918 {
919 rxvt_scr_refresh (this, refresh_type);
920 rxvt_scrollbar_show (this, 1);
921 #ifdef USE_XIM
922 rxvt_IMSendSpot (this);
923 #endif
924 }
925
926 XFlush (Xdisplay);
927 }
928
929 /* rxvt_cmd_getc() - Return next input character */
930 /*
931 * Return the next input character after first passing any keyboard input
932 * to the command.
933 */
934 /* INTPROTO */
935 uint32_t
936 rxvt_cmd_getc(pR)
937 {
938 for (;;)
939 {
940 uint32_t c = R->next_char ();
941 if (c != NOCHAR)
942 return c;
943
944 // incomplete sequences should occur rarely, still, a better solution
945 // would be preferred. either setjmp/longjmp or better design.
946 fcntl (R->cmd_fd, F_SETFL, 0);
947 R->pty_fill (1);
948 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
949 }
950
951 #if 0
952 #define TIMEOUT_USEC 5000
953 fd_set readfds;
954 int quick_timeout, select_res;
955 int want_motion_time, want_keypress_time;
956 struct timeval value;
957 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
958 struct timeval tp;
959 #endif
960
961 for (;;) {
962 /* loop until we can return something */
963
964 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
965 rxvt_tt_write(aR_ NULL, 0);
966
967 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
968 if (R->mouse_slip_wheel_speed) {
969 quick_timeout = 1;
970 if (!R->mouse_slip_wheel_delay--
971 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
972 abs(R->mouse_slip_wheel_speed))) {
973 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
974 R->refresh_type |= SMOOTH_REFRESH;
975 R->want_refresh = 1;
976 }
977 }
978 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
979 #ifdef SELECTION_SCROLLING
980 if (R->pending_scroll_selection) {
981 quick_timeout = 1;
982 if (!R->scroll_selection_delay--
983 && rxvt_scr_page(aR_ R->scroll_selection_dir,
984 R->scroll_selection_lines)) {
985 rxvt_selection_extend(aR_ R->selection_save_x,
986 R->selection_save_y, R->selection_save_state);
987 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
988 R->refresh_type |= SMOOTH_REFRESH;
989 R->want_refresh = 1;
990 }
991 }
992 #endif
993 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
994 if (scrollbar_isUp() || scrollbar_isDn()) {
995 quick_timeout = 1;
996 if (!R->scroll_arrow_delay--
997 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
998 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
999 R->refresh_type |= SMOOTH_REFRESH;
1000 R->want_refresh = 1;
1001 }
1002 }
1003 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1004
1005 #ifdef TRANSPARENT
1006 quick_timeout |= R->want_full_refresh;
1007 #endif
1008 #endif
1009 }
1010
1011 #ifdef POINTER_BLANK
1012 void
1013 rxvt_term::pointer_unblank ()
1014 {
1015 if (!(Options & Opt_pointerBlank))
1016 return;
1017
1018 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1019 rxvt_recolour_cursor (this);
1020 hidden_pointer = 0;
1021
1022 pointer_ev.start (NOW + pointerBlankDelay);
1023 }
1024
1025 void
1026 rxvt_term::pointer_blank ()
1027 {
1028 pointer_ev.stop ();
1029
1030 if (!(Options & Opt_pointerBlank))
1031 return;
1032
1033 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1034 XFlush (Xdisplay);
1035
1036 hidden_pointer = 1;
1037 }
1038
1039 void
1040 rxvt_term::pointer_cb (time_watcher &w)
1041 {
1042 pointer_blank ();
1043 }
1044 #endif
1045
1046 /* INTPROTO */
1047 void
1048 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1049 {
1050 int button_number, key_state = 0;
1051 int x, y;
1052
1053 x = ev->x;
1054 y = ev->y;
1055 rxvt_pixel_position(aR_ &x, &y);
1056
1057 if (R->MEvent.button == AnyButton) {
1058 button_number = 3;
1059 } else {
1060 button_number = R->MEvent.button - Button1;
1061 /* add 0x3D for wheel events, like xterm does */
1062 if (button_number >= 3)
1063 button_number += (64 - 3);
1064 }
1065
1066 if (R->PrivateModes & PrivMode_MouseX10) {
1067 /*
1068 * do not report ButtonRelease
1069 * no state info allowed
1070 */
1071 key_state = 0;
1072 if (button_number == 3)
1073 return;
1074 } else {
1075 /* XTerm mouse reporting needs these values:
1076 * 4 = Shift
1077 * 8 = Meta
1078 * 16 = Control
1079 * plus will add in our own Double-Click reporting
1080 * 32 = Double Click
1081 */
1082 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1083 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1084 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1085 #ifdef MOUSE_REPORT_DOUBLECLICK
1086 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1087 #endif
1088 }
1089
1090 #ifdef DEBUG_MOUSEREPORT
1091 fprintf(stderr, "Mouse [");
1092 if (key_state & 16)
1093 fputc('C', stderr);
1094 if (key_state & 4)
1095 fputc('S', stderr);
1096 if (key_state & 8)
1097 fputc('A', stderr);
1098 if (key_state & 32)
1099 fputc('2', stderr);
1100 fprintf(stderr, "]: <%d>, %d/%d\n",
1101 button_number,
1102 x + 1,
1103 y + 1);
1104 #else
1105 rxvt_tt_printf(aR_ "\033[M%c%c%c",
1106 (32 + button_number + key_state),
1107 (32 + x + 1),
1108 (32 + y + 1));
1109 #endif
1110 }
1111
1112 #ifdef USING_W11LIB
1113 /* EXTPROTO */
1114 void
1115 rxvt_W11_process_x_event(XEvent *ev)
1116 {
1117 rxvt_t *r = rxvt_get_r();
1118
1119 rxvt_process_x_event(aR_ ev);
1120 }
1121 #endif
1122
1123 /*{{{ process an X event */
1124 /* INTPROTO */
1125 void
1126 rxvt_process_x_event(pR_ XEvent *ev)
1127 {
1128 int i, want_timeout;
1129 Window unused_root, unused_child;
1130 int unused_root_x, unused_root_y;
1131 unsigned int unused_mask;
1132 struct timeval tp;
1133
1134 #ifdef DEBUG_X
1135 const char *const eventnames[] =
1136 { /* mason - this matches my system */
1137 "",
1138 "",
1139 "KeyPress",
1140 "KeyRelease",
1141 "ButtonPress",
1142 "ButtonRelease",
1143 "MotionNotify",
1144 "EnterNotify",
1145 "LeaveNotify",
1146 "FocusIn",
1147 "FocusOut",
1148 "KeymapNotify",
1149 "Expose",
1150 "GraphicsExpose",
1151 "NoExpose",
1152 "VisibilityNotify",
1153 "CreateNotify",
1154 "DestroyNotify",
1155 "UnmapNotify",
1156 "MapNotify",
1157 "MapRequest",
1158 "ReparentNotify",
1159 "ConfigureNotify",
1160 "ConfigureRequest",
1161 "GravityNotify",
1162 "ResizeRequest",
1163 "CirculateNotify",
1164 "CirculateRequest",
1165 "PropertyNotify",
1166 "SelectionClear",
1167 "SelectionRequest",
1168 "SelectionNotify",
1169 "ColormapNotify",
1170 "ClientMessage",
1171 "MappingNotify"
1172 };
1173 struct tm *ltt;
1174 #endif
1175
1176 /*
1177 * check if we need to get the time for any timeouts
1178 */
1179
1180 for (i = NUM_TIMEOUTS; i--; )
1181 if (R->timeout[i].tv_sec) {
1182 want_timeout = 1;
1183 break;
1184 }
1185
1186 #ifndef DEBUG_X
1187 if (want_timeout)
1188 #endif
1189 (void)gettimeofday(&tp, NULL);
1190
1191 #ifdef DEBUG_X
1192 ltt = localtime(&(tp.tv_sec));
1193 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));
1194 #endif
1195
1196 /* X event timeouts */
1197 if (want_timeout)
1198 for (i = NUM_TIMEOUTS; i--; ) {
1199 if (R->timeout[i].tv_sec == 0)
1200 continue;
1201 if ((tp.tv_sec < R->timeout[i].tv_sec)
1202 || (tp.tv_sec == R->timeout[i].tv_sec
1203 && tp.tv_usec < R->timeout[i].tv_usec))
1204 continue;
1205 R->timeout[i].tv_sec = 0;
1206 switch(i) {
1207 case TIMEOUT_INCR:
1208 rxvt_print_error("data loss: timeout on INCR selection paste");
1209 R->selection_wait = Sel_none;
1210 break;
1211 default:
1212 break;
1213 }
1214 }
1215
1216 switch (ev->type) {
1217 case KeyPress:
1218 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1219 break;
1220
1221 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1222 case KeyRelease:
1223 {
1224 if (!(ev->xkey.state & ControlMask))
1225 R->mouse_slip_wheel_speed = 0;
1226 else {
1227 KeySym ks;
1228
1229 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1230 if (ks == XK_Control_L || ks == XK_Control_R)
1231 R->mouse_slip_wheel_speed = 0;
1232 }
1233 break;
1234 }
1235 #endif
1236
1237 case ButtonPress:
1238 rxvt_button_press(aR_ (XButtonEvent *)ev);
1239 break;
1240
1241 case ButtonRelease:
1242 rxvt_button_release(aR_ (XButtonEvent *)ev);
1243 break;
1244
1245 case ClientMessage:
1246 if (ev->xclient.format == 32
1247 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1248 exit(EXIT_SUCCESS);
1249 #ifdef OFFIX_DND
1250 /* OffiX Dnd (drag 'n' drop) protocol */
1251 if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1252 && (ev->xclient.data.l[0] == DndFile
1253 || ev->xclient.data.l[0] == DndDir
1254 || ev->xclient.data.l[0] == DndLink)) {
1255 /* Get Dnd data */
1256 Atom ActualType;
1257 int ActualFormat;
1258 unsigned char *data;
1259 unsigned long Size, RemainingBytes;
1260
1261 XGetWindowProperty(R->Xdisplay, Xroot,
1262 R->xa[XA_DNDSELECTION],
1263 0L, 1000000L,
1264 False, AnyPropertyType,
1265 &ActualType, &ActualFormat,
1266 &Size, &RemainingBytes,
1267 &data);
1268 XChangeProperty(R->Xdisplay, Xroot,
1269 XA_CUT_BUFFER0, XA_STRING,
1270 8, PropModeReplace,
1271 data, STRLEN(data));
1272 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1273 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1274 }
1275 #endif /* OFFIX_DND */
1276 break;
1277
1278 case MappingNotify:
1279 XRefreshKeyboardMapping(&(ev->xmapping));
1280 break;
1281
1282 /*
1283 * XXX: this is not the _current_ arrangement
1284 * Here's my conclusion:
1285 * If the window is completely unobscured, use bitblt's
1286 * to scroll. Even then, they're only used when doing partial
1287 * screen scrolling. When partially obscured, we have to fill
1288 * in the GraphicsExpose parts, which means that after each refresh,
1289 * we need to wait for the graphics expose or Noexpose events,
1290 * which ought to make things real slow!
1291 */
1292 case VisibilityNotify:
1293 switch (ev->xvisibility.state) {
1294 case VisibilityUnobscured:
1295 R->refresh_type = FAST_REFRESH;
1296 break;
1297 case VisibilityPartiallyObscured:
1298 R->refresh_type = SLOW_REFRESH;
1299 break;
1300 default:
1301 R->refresh_type = NO_REFRESH;
1302 break;
1303 }
1304 break;
1305
1306 case FocusIn:
1307 if (!R->TermWin.focus) {
1308 R->TermWin.focus = 1;
1309 R->want_refresh = 1;
1310 #ifdef USE_XIM
1311 if (R->Input_Context != NULL)
1312 XSetICFocus(R->Input_Context);
1313 #endif
1314 #ifdef CURSOR_BLINK
1315 if (R->Options & Opt_cursorBlink)
1316 R->blink_ev.start (NOW + BLINK_INTERVAL);
1317 #endif
1318 }
1319 break;
1320
1321 case FocusOut:
1322 if (R->TermWin.focus) {
1323 R->TermWin.focus = 0;
1324 R->want_refresh = 1;
1325 #ifdef USE_XIM
1326 if (R->Input_Context != NULL)
1327 XUnsetICFocus(R->Input_Context);
1328 #endif
1329 #ifdef CURSOR_BLINK
1330 if (R->Options & Opt_cursorBlink)
1331 R->blink_ev.stop ();
1332 R->hidden_cursor = 0;
1333 #endif
1334 }
1335 break;
1336
1337 case ConfigureNotify:
1338 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1339 int height, width;
1340
1341 do { /* Wrap lots of configures into one */
1342 width = ev->xconfigure.width;
1343 height = ev->xconfigure.height;
1344 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1345 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1346 ConfigureNotify, ev));
1347 if (R->szHint.width != width || R->szHint.height != height) {
1348 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1349 rxvt_resize_all_windows(aR_ (unsigned int)width,
1350 (unsigned int)height, 1);
1351 }
1352 #ifdef DEBUG_SIZE
1353 else {
1354 D_SIZE((stderr, "Size: Not resizing"));
1355 }
1356 #endif
1357 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1358 if (R->Options & Opt_transparent) {
1359 rxvt_check_our_parents(aR);
1360 if (R->am_transparent)
1361 R->want_full_refresh = 1;
1362 }
1363 #endif
1364 }
1365 break;
1366
1367 case SelectionClear:
1368 rxvt_selection_clear(aR);
1369 break;
1370
1371 case SelectionNotify:
1372 if (R->selection_wait == Sel_normal)
1373 rxvt_selection_paste(aR_ ev->xselection.requestor,
1374 ev->xselection.property, True);
1375 break;
1376
1377 case SelectionRequest:
1378 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1379 break;
1380
1381 case UnmapNotify:
1382 R->TermWin.mapped = 0;
1383 break;
1384
1385 case MapNotify:
1386 R->TermWin.mapped = 1;
1387 break;
1388
1389 case PropertyNotify:
1390 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1391 if (ev->xproperty.state == PropertyNewValue)
1392 rxvt_selection_property(aR_ ev->xproperty.window,
1393 ev->xproperty.atom);
1394 break;
1395 }
1396 #ifdef TRANSPARENT
1397 /*
1398 * if user used some Esetroot compatible prog to set the root bg,
1399 * use the property to determine the pixmap. We use it later on.
1400 */
1401 if (R->xa[XA_XROOTPMAPID] == 0)
1402 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1403 "_XROOTPMAP_ID", False);
1404 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1405 break;
1406 /* FALLTHROUGH */
1407 case ReparentNotify:
1408 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1409 if (R->am_transparent)
1410 R->want_full_refresh = 1;
1411 }
1412 #endif /* TRANSPARENT */
1413 break;
1414
1415 case GraphicsExpose:
1416 case Expose:
1417 if (ev->xany.window == R->TermWin.vt) {
1418 #ifdef NO_SLOW_LINK_SUPPORT
1419 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1420 ev->xexpose.width, ev->xexpose.height, False);
1421 #else
1422 // don't understand this, so commented it out
1423 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1424 ev->xexpose.width, ev->xexpose.height, False);
1425 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1426 // ev->xexpose.width, R->TermWin.height, False);
1427 #endif
1428 R->want_refresh = 1;
1429 } else {
1430 XEvent unused_xevent;
1431
1432 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1433 Expose,
1434 &unused_xevent)) ;
1435 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1436 GraphicsExpose,
1437 &unused_xevent)) ;
1438 if (isScrollbarWindow(ev->xany.window)) {
1439 scrollbar_setIdle();
1440 rxvt_scrollbar_show(aR_ 0);
1441 }
1442 #ifdef MENUBAR
1443 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1444 rxvt_menubar_expose(aR);
1445 #endif
1446 #ifdef RXVT_GRAPHICS
1447 rxvt_Gr_expose(aR_ ev->xany.window);
1448 #endif
1449 }
1450 break;
1451
1452 case MotionNotify:
1453 #ifdef POINTER_BLANK
1454 if (R->hidden_pointer)
1455 R->pointer_unblank ();
1456 #endif
1457 #if MENUBAR
1458 if (isMenuBarWindow(ev->xany.window)) {
1459 rxvt_menubar_control(aR_ &(ev->xbutton));
1460 break;
1461 }
1462 #endif
1463 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1464 break;
1465
1466 if (ev->xany.window == R->TermWin.vt) {
1467 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1468 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1469 MotionNotify, ev)) ;
1470 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1471 &unused_root, &unused_child,
1472 &unused_root_x, &unused_root_y,
1473 &(ev->xbutton.x), &(ev->xbutton.y),
1474 &unused_mask);
1475 #ifdef MOUSE_THRESHOLD
1476 /* deal with a `jumpy' mouse */
1477 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1478 #endif
1479 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1480 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1481 #ifdef SELECTION_SCROLLING
1482 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1483 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1484 int dist;
1485
1486 R->pending_scroll_selection=1;
1487
1488 /* don't clobber the current delay if we are
1489 * already in the middle of scrolling.
1490 */
1491 if (R->scroll_selection_delay<=0)
1492 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1493
1494 /* save the event params so we can highlight
1495 * the selection in the pending-scroll loop
1496 */
1497 R->selection_save_x=ev->xbutton.x;
1498 R->selection_save_y=ev->xbutton.y;
1499 R->selection_save_state=
1500 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1501
1502 /* calc number of lines to scroll */
1503 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1504 R->scroll_selection_dir = UP;
1505 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1506 }
1507 else {
1508 R->scroll_selection_dir = DN;
1509 dist = ev->xbutton.y -
1510 (R->TermWin.int_bwidth + R->TermWin.height);
1511 }
1512 R->scroll_selection_lines=(Pixel2Height(dist)/
1513 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1514 MIN_IT(R->scroll_selection_lines,
1515 SELECTION_SCROLL_MAX_LINES);
1516 }
1517 else {
1518 /* we are within the text window, so we
1519 * shouldn't be scrolling
1520 */
1521 R->pending_scroll_selection = 0;
1522 }
1523 #endif
1524 #ifdef MOUSE_THRESHOLD
1525 }
1526 #endif
1527 }
1528 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1529 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1530 MotionNotify, ev)) ;
1531 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1532 &unused_root, &unused_child,
1533 &unused_root_x, &unused_root_y,
1534 &(ev->xbutton.x), &(ev->xbutton.y),
1535 &unused_mask);
1536 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1537 scrollbar_size());
1538 rxvt_scr_refresh(aR_ R->refresh_type);
1539 R->refresh_limit = 0;
1540 rxvt_scrollbar_show(aR_ 1);
1541 }
1542 break;
1543 }
1544 }
1545
1546 /* INTPROTO */
1547 void
1548 rxvt_button_press(pR_ XButtonEvent *ev)
1549 {
1550 int reportmode = 0, clickintime;
1551
1552 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1553 if (!R->bypass_keystate)
1554 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1555 /*
1556 * VT window processing of button press
1557 */
1558 if (ev->window == R->TermWin.vt)
1559 {
1560 #if RXVT_GRAPHICS
1561 if (ev->subwindow != None)
1562 rxvt_Gr_ButtonPress(ev->x, ev->y);
1563 else
1564 #endif
1565 {
1566 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1567 if (reportmode)
1568 {
1569 /* mouse report from vt window */
1570 /* save the xbutton state (for ButtonRelease) */
1571 R->MEvent.state = ev->state;
1572 #ifdef MOUSE_REPORT_DOUBLECLICK
1573 if (ev->button == R->MEvent.button && clickintime)
1574 {
1575 /* same button, within alloted time */
1576 R->MEvent.clicks++;
1577 if (R->MEvent.clicks > 1)
1578 {
1579 /* only report double clicks */
1580 R->MEvent.clicks = 2;
1581 rxvt_mouse_report(aR_ ev);
1582
1583 /* don't report the release */
1584 R->MEvent.clicks = 0;
1585 R->MEvent.button = AnyButton;
1586 }
1587 }
1588 else
1589 {
1590 /* different button, or time expired */
1591 R->MEvent.clicks = 1;
1592 R->MEvent.button = ev->button;
1593 rxvt_mouse_report(aR_ ev);
1594 }
1595 #else
1596 R->MEvent.button = ev->button;
1597 rxvt_mouse_report(aR_ ev);
1598 #endif /* MOUSE_REPORT_DOUBLECLICK */
1599 }
1600 else
1601 {
1602 if (ev->button != R->MEvent.button)
1603 R->MEvent.clicks = 0;
1604 switch (ev->button)
1605 {
1606 case Button1:
1607 if (R->MEvent.button == Button1 && clickintime)
1608 R->MEvent.clicks++;
1609 else
1610 R->MEvent.clicks = 1;
1611 rxvt_selection_click(aR_ R->MEvent.clicks, ev->x, ev->y);
1612 R->MEvent.button = Button1;
1613 break;
1614
1615 case Button3:
1616 if (R->MEvent.button == Button3 && clickintime)
1617 rxvt_selection_rotate(aR_ ev->x, ev->y);
1618 else
1619 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1620 R->MEvent.button = Button3;
1621 break;
1622 }
1623 }
1624 R->MEvent.time = ev->time;
1625 return;
1626 }
1627 }
1628
1629 /*
1630 * Scrollbar window processing of button press
1631 */
1632 if (isScrollbarWindow(ev->window))
1633 {
1634 scrollbar_setIdle();
1635 /*
1636 * Rxvt-style scrollbar:
1637 * move up if mouse is above slider
1638 * move dn if mouse is below slider
1639 *
1640 * XTerm-style scrollbar:
1641 * Move display proportional to pointer location
1642 * pointer near top -> scroll one line
1643 * pointer near bot -> scroll full page
1644 */
1645 #ifndef NO_SCROLLBAR_REPORT
1646 if (reportmode) {
1647 /*
1648 * Mouse report disabled scrollbar:
1649 * arrow buttons - send up/down
1650 * click on scrollbar - send pageup/down
1651 */
1652 if ((R->scrollBar.style == R_SB_NEXT
1653 && scrollbarnext_upButton(ev->y))
1654 || (R->scrollBar.style == R_SB_RXVT
1655 && scrollbarrxvt_upButton(ev->y)))
1656 rxvt_tt_printf(aR_ "\033[A");
1657 else if ((R->scrollBar.style == R_SB_NEXT
1658 && scrollbarnext_dnButton(ev->y))
1659 || (R->scrollBar.style == R_SB_RXVT
1660 && scrollbarrxvt_dnButton(ev->y)))
1661 rxvt_tt_printf(aR_ "\033[B");
1662 else
1663 switch (ev->button) {
1664 case Button2:
1665 rxvt_tt_printf(aR_ "\014");
1666 break;
1667 case Button1:
1668 rxvt_tt_printf(aR_ "\033[6~");
1669 break;
1670 case Button3:
1671 rxvt_tt_printf(aR_ "\033[5~");
1672 break;
1673 }
1674 }
1675 else
1676 #endif /* NO_SCROLLBAR_REPORT */
1677 {
1678 char upordown = 0;
1679
1680 if (R->scrollBar.style == R_SB_NEXT) {
1681 if (scrollbarnext_upButton(ev->y))
1682 upordown = -1; /* up */
1683 else if (scrollbarnext_dnButton(ev->y))
1684 upordown = 1; /* down */
1685 } else if (R->scrollBar.style == R_SB_RXVT) {
1686 if (scrollbarrxvt_upButton(ev->y))
1687 upordown = -1; /* up */
1688 else if (scrollbarrxvt_dnButton(ev->y))
1689 upordown = 1; /* down */
1690 }
1691 if (upordown) {
1692 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1693 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1694 #endif
1695 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1696 if (upordown < 0)
1697 scrollbar_setUp();
1698 else
1699 scrollbar_setDn();
1700 }
1701 } else
1702 switch (ev->button) {
1703 case Button2:
1704 switch (R->scrollbar_align) {
1705 case R_SB_ALIGN_TOP:
1706 R->csrO = 0;
1707 break;
1708 case R_SB_ALIGN_CENTRE:
1709 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1710 break;
1711 case R_SB_ALIGN_BOTTOM:
1712 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1713 break;
1714 }
1715 if (R->scrollBar.style == R_SB_XTERM
1716 || scrollbar_above_slider(ev->y)
1717 || scrollbar_below_slider(ev->y))
1718 rxvt_scr_move_to(aR_
1719 scrollbar_position(ev->y) - R->csrO,
1720 scrollbar_size());
1721 scrollbar_setMotion();
1722 break;
1723
1724 case Button1:
1725 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1726 R->csrO = ev->y - R->scrollBar.top;
1727 /* FALLTHROUGH */
1728
1729 case Button3:
1730 if (R->scrollBar.style != R_SB_XTERM) {
1731 if (scrollbar_above_slider(ev->y))
1732 # ifdef RXVT_SCROLL_FULL
1733 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1734 # else
1735 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1736 # endif
1737 else if (scrollbar_below_slider(ev->y))
1738 # ifdef RXVT_SCROLL_FULL
1739 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1740 # else
1741 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1742 # endif
1743 else
1744 scrollbar_setMotion();
1745 } else {
1746 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1747 (R->TermWin.nrow
1748 * scrollbar_position(ev->y)
1749 / scrollbar_size()));
1750 }
1751 break;
1752 }
1753 }
1754 return;
1755 }
1756 #if MENUBAR
1757 /*
1758 * Menubar window processing of button press
1759 */
1760 if (isMenuBarWindow(ev->window))
1761 rxvt_menubar_control(aR_ ev);
1762 #endif
1763 }
1764
1765 /* INTPROTO */
1766 void
1767 rxvt_button_release(pR_ XButtonEvent *ev)
1768 {
1769 int reportmode = 0;
1770
1771 R->csrO = 0; /* reset csr Offset */
1772 if (!R->bypass_keystate)
1773 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1774
1775 if (scrollbar_isUpDn()) {
1776 scrollbar_setIdle();
1777 rxvt_scrollbar_show(aR_ 0);
1778 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1779 R->refresh_type &= ~SMOOTH_REFRESH;
1780 #endif
1781 }
1782 #ifdef SELECTION_SCROLLING
1783 R->pending_scroll_selection=0;
1784 #endif
1785 if (ev->window == R->TermWin.vt)
1786 {
1787 #ifdef RXVT_GRAPHICS
1788 if (ev->subwindow != None)
1789 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1790 else
1791 #endif
1792 {
1793 if (reportmode)
1794 {
1795 /* mouse report from vt window */
1796 /* don't report release of wheel "buttons" */
1797 if (ev->button >= 4)
1798 return;
1799 #ifdef MOUSE_REPORT_DOUBLECLICK
1800 /* only report the release of 'slow' single clicks */
1801 if (R->MEvent.button != AnyButton
1802 && (ev->button != R->MEvent.button
1803 || (ev->time - R->MEvent.time
1804 > MULTICLICK_TIME / 2)))
1805 {
1806 R->MEvent.clicks = 0;
1807 R->MEvent.button = AnyButton;
1808 rxvt_mouse_report(aR_ ev);
1809 }
1810 #else /* MOUSE_REPORT_DOUBLECLICK */
1811 R->MEvent.button = AnyButton;
1812 rxvt_mouse_report(aR_ ev);
1813 #endif /* MOUSE_REPORT_DOUBLECLICK */
1814 return;
1815 }
1816 /*
1817 * dumb hack to compensate for the failure of click-and-drag
1818 * when overriding mouse reporting
1819 */
1820 if (R->PrivateModes & PrivMode_mouse_report
1821 && R->bypass_keystate
1822 && ev->button == Button1 && R->MEvent.clicks <= 1)
1823 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1824
1825 switch (ev->button) {
1826 case Button1:
1827 case Button3:
1828 rxvt_selection_make(aR_ ev->time);
1829 break;
1830 case Button2:
1831 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1832 break;
1833 #ifdef MOUSE_WHEEL
1834 case Button4:
1835 case Button5:
1836 {
1837 int i, v;
1838
1839 v = (ev->button == Button4) ? UP : DN;
1840 if (ev->state & ShiftMask)
1841 i = 1;
1842 else if ((R->Options & Opt_mouseWheelScrollPage))
1843 i = R->TermWin.nrow - 1;
1844 else
1845 i = 5;
1846 # ifdef MOUSE_SLIP_WHEELING
1847 if (ev->state & ControlMask)
1848 {
1849 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1850 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1851 }
1852 # endif
1853 # ifdef JUMP_MOUSE_WHEEL
1854 rxvt_scr_page(aR_ v, i);
1855 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1856 rxvt_scrollbar_show(aR_ 1);
1857 # else
1858 for (; i--;)
1859 {
1860 rxvt_scr_page(aR_ v, 1);
1861 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1862 rxvt_scrollbar_show(aR_ 1);
1863 }
1864 # endif
1865 }
1866 break;
1867 #endif
1868 }
1869 }
1870 }
1871 #ifdef MENUBAR
1872 else if (isMenuBarWindow(ev->window))
1873 rxvt_menubar_control(aR_ ev);
1874 #endif
1875 }
1876
1877
1878 #ifdef TRANSPARENT
1879 /*
1880 * Check our parents are still who we think they are.
1881 * Do transparency updates if required
1882 */
1883 /* EXTPROTO */
1884 int
1885 rxvt_check_our_parents(pR)
1886 {
1887 int i, pchanged, aformat, have_pixmap, rootdepth;
1888 unsigned long nitems, bytes_after;
1889 Atom atype;
1890 unsigned char *prop = NULL;
1891 Window root, oldp, *list;
1892 Pixmap rootpixmap = None;
1893 XWindowAttributes wattr, wrootattr;
1894
1895 pchanged = 0;
1896
1897 if (!(R->Options & Opt_transparent))
1898 return pchanged; /* Don't try any more */
1899
1900 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1901 rootdepth = wrootattr.depth;
1902
1903 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1904 if (rootdepth != wattr.depth) {
1905 if (R->am_transparent) {
1906 pchanged = 1;
1907 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1908 R->PixColors[Color_bg]);
1909 R->am_transparent = R->am_pixmap_trans = 0;
1910 }
1911 return pchanged; /* Don't try any more */
1912 }
1913
1914 /* Get all X ops out of the queue so that our information is up-to-date. */
1915 XSync(R->Xdisplay, False);
1916
1917 /*
1918 * Make the frame window set by the window manager have
1919 * the root background. Some window managers put multiple nested frame
1920 * windows for each client, so we have to take care about that.
1921 */
1922 i = (R->xa[XA_XROOTPMAPID] != 0
1923 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1924 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1925 &nitems, &bytes_after, &prop) == Success));
1926 if (!i || prop == NULL)
1927 have_pixmap = 0;
1928 else {
1929 have_pixmap = 1;
1930 rootpixmap = *((Pixmap *)prop);
1931 XFree(prop);
1932 }
1933 if (have_pixmap) {
1934 /*
1935 * Copy Xroot pixmap transparency
1936 */
1937 int sx, sy, nx, ny;
1938 unsigned int nw, nh;
1939 Window cr;
1940 XImage *image;
1941 GC gc;
1942 XGCValues gcvalue;
1943
1944 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1945 0, 0, &sx, &sy, &cr);
1946 nw = (unsigned int)R->szHint.width;
1947 nh = (unsigned int)R->szHint.height;
1948 nx = ny = 0;
1949 if (sx < 0) {
1950 nw += sx;
1951 nx = -sx;
1952 sx = 0;
1953 }
1954 if (sy < 0) {
1955 nh += sy;
1956 ny = -sy;
1957 sy = 0;
1958 }
1959 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1960 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1961 R->allowedxerror = -1;
1962 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1963 ZPixmap);
1964 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1965 /* XXX: may need a delay here? */
1966 R->allowedxerror = 0;
1967 if (image == NULL) {
1968 if (R->am_transparent && R->am_pixmap_trans) {
1969 pchanged = 1;
1970 if (R->TermWin.pixmap != None) {
1971 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1972 R->TermWin.pixmap = None;
1973 }
1974 }
1975 R->am_pixmap_trans = 0;
1976 } else {
1977 if (R->TermWin.pixmap != None)
1978 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1979 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1980 (unsigned int)R->szHint.width,
1981 (unsigned int)R->szHint.height,
1982 (unsigned int)image->depth);
1983 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1984 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1985 nx, ny, (unsigned int)image->width,
1986 (unsigned int)image->height);
1987 XFreeGC(R->Xdisplay, gc);
1988 XDestroyImage(image);
1989 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
1990 R->TermWin.pixmap);
1991 if (!R->am_transparent || !R->am_pixmap_trans)
1992 pchanged = 1;
1993 R->am_transparent = R->am_pixmap_trans = 1;
1994 }
1995 }
1996 if (!R->am_pixmap_trans) {
1997 unsigned int n;
1998 /*
1999 * InheritPixmap transparency
2000 */
2001 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
2002 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
2003 i++) {
2004 oldp = R->TermWin.parent[i];
2005 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2006 &R->TermWin.parent[i], &list, &n);
2007 XFree(list);
2008 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2009 if (R->TermWin.parent[i] == Xroot) {
2010 if (oldp != None)
2011 pchanged = 1;
2012 break;
2013 }
2014 if (oldp != R->TermWin.parent[i])
2015 pchanged = 1;
2016 }
2017 n = 0;
2018 if (pchanged) {
2019 for (; n < (unsigned int)i; n++) {
2020 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2021 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2022 if (wattr.depth != rootdepth || wattr.class == InputOnly) {
2023 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2024 break;
2025 }
2026 }
2027 }
2028 if (n > (int)(sizeof(R->TermWin.parent)
2029 / sizeof(R->TermWin.parent[0]))) {
2030 D_X((stderr, "InheritPixmap Turning off"));
2031 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2032 R->PixColors[Color_fg]);
2033 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2034 R->PixColors[Color_bg]);
2035 R->am_transparent = 0;
2036 /* XXX: also turn off Opt_transparent? */
2037 } else {
2038 /* wait (an arbitrary period) for the WM to do its thing
2039 * needed for fvwm2.2.2 (and before?) */
2040 # ifdef HAVE_NANOSLEEP
2041 struct timespec rqt;
2042
2043 rqt.tv_sec = 1;
2044 rqt.tv_nsec = 0;
2045 nanosleep(&rqt, NULL);
2046 # else
2047 sleep(1);
2048 # endif
2049 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2050 for (n = 0; n < (unsigned int)i; n++)
2051 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2052 ParentRelative);
2053 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2054 ParentRelative);
2055 R->am_transparent = 1;
2056 }
2057 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2058 R->TermWin.parent[i] = None;
2059 }
2060 return pchanged;
2061 }
2062 #endif
2063
2064 /*}}} */
2065
2066 /*{{{ print pipe */
2067 /*----------------------------------------------------------------------*/
2068 #ifdef PRINTPIPE
2069 /* EXTPROTO */
2070 FILE *
2071 rxvt_popen_printer(pR)
2072 {
2073 FILE *stream = popen(R->rs[Rs_print_pipe], "w");
2074
2075 if (stream == NULL)
2076 rxvt_print_error("can't open printer pipe");
2077 return stream;
2078 }
2079
2080 /* EXTPROTO */
2081 int
2082 rxvt_pclose_printer(FILE *stream)
2083 {
2084 fflush(stream);
2085 /* pclose() reported not to work on SunOS 4.1.3 */
2086 # if defined (__sun__) /* TODO: RESOLVE THIS */
2087 /* pclose works provided SIGCHLD handler uses waitpid */
2088 return pclose(stream); /* return fclose (stream); */
2089 # else
2090 return pclose(stream);
2091 # endif
2092 }
2093
2094 /*
2095 * simulate attached vt100 printer
2096 */
2097 /* INTPROTO */
2098 void
2099 rxvt_process_print_pipe(pR)
2100 {
2101 int done;
2102 FILE *fd;
2103
2104 if ((fd = rxvt_popen_printer(aR)) == NULL)
2105 return;
2106
2107 /*
2108 * Send all input to the printer until either ESC[4i or ESC[?4i
2109 * is received.
2110 */
2111 for (done = 0; !done;) {
2112 unsigned char buf[8];
2113 unsigned char ch;
2114 unsigned int i, len;
2115
2116 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2117 if (putc(ch, fd) == EOF)
2118 break; /* done = 1 */
2119 } else {
2120 len = 0;
2121 buf[len++] = ch;
2122
2123 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2124 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2125 buf[len++] = '?';
2126 ch = rxvt_cmd_getc(aR);
2127 }
2128 if ((buf[len++] = ch) == '4') {
2129 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2130 break; /* done = 1 */
2131 }
2132 }
2133 for (i = 0; i < len; i++)
2134 if (putc(buf[i], fd) == EOF) {
2135 done = 1;
2136 break;
2137 }
2138 }
2139 }
2140 rxvt_pclose_printer(fd);
2141 }
2142 #endif /* PRINTPIPE */
2143 /*}}} */
2144
2145 /* *INDENT-OFF* */
2146 enum {
2147 C1_40 = 0x40,
2148 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2149 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2150 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2151 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2152 };
2153 /* *INDENT-ON* */
2154
2155 /*{{{ process non-printing single characters */
2156 /* INTPROTO */
2157 void
2158 rxvt_process_nonprinting(pR_ unsigned char ch)
2159 {
2160 switch (ch) {
2161 case C0_ENQ: /* terminal Status */
2162 if (R->rs[Rs_answerbackstring])
2163 rxvt_tt_write(aR_
2164 (const unsigned char *)R->rs[Rs_answerbackstring],
2165 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2166 else
2167 rxvt_tt_write(aR_ (unsigned char *)VT100_ANS,
2168 (unsigned int)STRLEN(VT100_ANS));
2169 break;
2170 case C0_BEL: /* bell */
2171 rxvt_scr_bell(aR);
2172 break;
2173 case C0_BS: /* backspace */
2174 rxvt_scr_backspace(aR);
2175 break;
2176 case C0_HT: /* tab */
2177 rxvt_scr_tab(aR_ 1);
2178 break;
2179 case C0_CR: /* carriage return */
2180 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2181 break;
2182 case C0_VT: /* vertical tab, form feed */
2183 case C0_FF:
2184 case C0_LF: /* line feed */
2185 rxvt_scr_index(aR_ UP);
2186 break;
2187 case C0_SO: /* shift out - acs */
2188 rxvt_scr_charset_choose(aR_ 1);
2189 break;
2190 case C0_SI: /* shift in - acs */
2191 rxvt_scr_charset_choose(aR_ 0);
2192 break;
2193 }
2194 }
2195 /*}}} */
2196
2197
2198 /*{{{ process VT52 escape sequences */
2199 /* INTPROTO */
2200 void
2201 rxvt_process_escape_vt52(pR_ unsigned char ch)
2202 {
2203 int row, col;
2204
2205 switch (ch) {
2206 case 'A': /* cursor up */
2207 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2208 break;
2209 case 'B': /* cursor down */
2210 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2211 break;
2212 case 'C': /* cursor right */
2213 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2214 break;
2215 case 'D': /* cursor left */
2216 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2217 break;
2218 case 'H': /* cursor home */
2219 rxvt_scr_gotorc(aR_ 0, 0, 0);
2220 break;
2221 case 'I': /* cursor up and scroll down if needed */
2222 rxvt_scr_index(aR_ DN);
2223 break;
2224 case 'J': /* erase to end of screen */
2225 rxvt_scr_erase_screen(aR_ 0);
2226 break;
2227 case 'K': /* erase to end of line */
2228 rxvt_scr_erase_line(aR_ 0);
2229 break;
2230 case 'Y': /* move to specified row and col */
2231 /* full command is 'ESC Y row col' where row and col
2232 * are encoded by adding 32 and sending the ascii
2233 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2234 * etc. */
2235 row = rxvt_cmd_getc(aR) - ' ';
2236 col = rxvt_cmd_getc(aR) - ' ';
2237 rxvt_scr_gotorc(aR_ row, col, 0);
2238 break;
2239 case 'Z': /* identify the terminal type */
2240 rxvt_tt_printf(aR_ "\033/Z"); /* I am a VT100 emulating a VT52 */
2241 break;
2242 case '<': /* turn off VT52 mode */
2243 PrivMode(0, PrivMode_vt52);
2244 break;
2245 case 'F': /* use special graphics character set */
2246 case 'G': /* use regular character set */
2247 /* unimplemented */
2248 break;
2249 case '=': /* use alternate keypad mode */
2250 case '>': /* use regular keypad mode */
2251 /* unimplemented */
2252 break;
2253 }
2254 }
2255 /*}}} */
2256
2257
2258 /*{{{ process escape sequences */
2259 /* INTPROTO */
2260 void
2261 rxvt_process_escape_seq(pR)
2262 {
2263 unsigned char ch = rxvt_cmd_getc(aR);
2264
2265 if (R->PrivateModes & PrivMode_vt52) {
2266 rxvt_process_escape_vt52(aR_ ch);
2267 return;
2268 }
2269
2270 switch (ch) {
2271 /* case 1: do_tek_mode (); break; */
2272 case '#':
2273 if (rxvt_cmd_getc(aR) == '8')
2274 rxvt_scr_E(aR);
2275 break;
2276 case '(':
2277 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2278 break;
2279 case ')':
2280 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2281 break;
2282 case '*':
2283 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2284 break;
2285 case '+':
2286 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2287 break;
2288 #ifdef MULTICHAR_SET
2289 case '$':
2290 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2291 break;
2292 #endif
2293 #ifndef NO_FRILLS
2294 case '6':
2295 rxvt_scr_backindex(aR);
2296 break;
2297 #endif
2298 case '7':
2299 rxvt_scr_cursor(aR_ SAVE);
2300 break;
2301 case '8':
2302 rxvt_scr_cursor(aR_ RESTORE);
2303 break;
2304 #ifndef NO_FRILLS
2305 case '9':
2306 rxvt_scr_forwardindex(aR);
2307 break;
2308 #endif
2309 case '=':
2310 case '>':
2311 PrivMode((ch == '='), PrivMode_aplKP);
2312 break;
2313
2314 case C1_40:
2315 rxvt_cmd_getc(aR);
2316 break;
2317 case C1_44:
2318 rxvt_scr_index(aR_ UP);
2319 break;
2320
2321 /* 8.3.87: NEXT LINE */
2322 case C1_NEL: /* ESC E */
2323 {
2324 uint32_t nlcr[] = { '\n', '\r' };
2325 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2326 }
2327 break;
2328
2329 /* kidnapped escape sequence: Should be 8.3.48 */
2330 case C1_ESA: /* ESC G */
2331 rxvt_process_graphics(aR);
2332 break;
2333
2334 /* 8.3.63: CHARACTER TABULATION SET */
2335 case C1_HTS: /* ESC H */
2336 rxvt_scr_set_tab(aR_ 1);
2337 break;
2338
2339 /* 8.3.105: REVERSE LINE FEED */
2340 case C1_RI: /* ESC M */
2341 rxvt_scr_index(aR_ DN);
2342 break;
2343
2344 /* 8.3.142: SINGLE-SHIFT TWO */
2345 /*case C1_SS2: scr_single_shift (2); break; */
2346
2347 /* 8.3.143: SINGLE-SHIFT THREE */
2348 /*case C1_SS3: scr_single_shift (3); break; */
2349
2350 /* 8.3.27: DEVICE CONTROL STRING */
2351 case C1_DCS: /* ESC P */
2352 rxvt_process_dcs_seq(aR);
2353 break;
2354
2355 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2356 case C1_SCI: /* ESC Z */
2357 rxvt_tt_write(aR_ (const unsigned char *)ESCZ_ANSWER,
2358 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2359 break; /* steal obsolete ESC [ c */
2360
2361 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2362 case C1_CSI: /* ESC [ */
2363 rxvt_process_csi_seq(aR);
2364 break;
2365
2366 /* 8.3.90: OPERATING SYSTEM COMMAND */
2367 case C1_OSC: /* ESC ] */
2368 rxvt_process_osc_seq(aR);
2369 break;
2370
2371 /* 8.3.106: RESET TO INITIAL STATE */
2372 case 'c':
2373 rxvt_scr_poweron(aR);
2374 rxvt_scrollbar_show(aR_ 1);
2375 break;
2376
2377 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2378 case 'n':
2379 rxvt_scr_charset_choose(aR_ 2);
2380 break;
2381
2382 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2383 case 'o':
2384 rxvt_scr_charset_choose(aR_ 3);
2385 break;
2386 }
2387 }
2388 /*}}} */
2389
2390 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2391 /* *INDENT-OFF* */
2392 enum {
2393 CSI_ICH = 0x40,
2394 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2395 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2396 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2397 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2398 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2399 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2400 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2401 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2402 };
2403
2404 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2405 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2406 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2407 #define get_byte_array_bit(array, bit) \
2408 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2409
2410 const unsigned char csi_defaults[] = {
2411 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2412 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2413 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2414 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2415 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2416 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2417 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2418 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2419 };
2420 /* *INDENT-ON* */
2421
2422 /* INTPROTO */
2423 void
2424 rxvt_process_csi_seq(pR)
2425 {
2426 unsigned char ch, priv, i;
2427 unsigned int nargs, p;
2428 int n, ndef;
2429 int arg[ESC_ARGS];
2430
2431 for (nargs = ESC_ARGS; nargs > 0;)
2432 arg[--nargs] = 0;
2433
2434 priv = 0;
2435 ch = rxvt_cmd_getc(aR);
2436 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2437 priv = ch;
2438 ch = rxvt_cmd_getc(aR);
2439 }
2440 /* read any numerical arguments */
2441 for (n = -1; ch < CSI_ICH; ) {
2442 if (isdigit(ch)) {
2443 if (n < 0)
2444 n = ch - '0';
2445 else
2446 n = n * 10 + ch - '0';
2447 } else if (ch == ';') {
2448 if (nargs < ESC_ARGS)
2449 arg[nargs++] = n;
2450 n = -1;
2451 } else if (ch == '\b') {
2452 rxvt_scr_backspace(aR);
2453 } else if (ch == C0_ESC) {
2454 rxvt_process_escape_seq(aR);
2455 return;
2456 } else if (ch < ' ') {
2457 rxvt_process_nonprinting(aR_ ch);
2458 }
2459 ch = rxvt_cmd_getc(aR);
2460 }
2461
2462 if (ch > CSI_7F)
2463 return;
2464
2465 if (nargs < ESC_ARGS)
2466 arg[nargs++] = n;
2467
2468 i = ch - CSI_ICH;
2469 ndef = get_byte_array_bit(csi_defaults, i);
2470 for (p = 0; p < nargs; p++)
2471 if (arg[p] == -1)
2472 arg[p] = ndef;
2473
2474 #ifdef DEBUG_CMD
2475 fprintf(stderr, "CSI ");
2476 for (p = 0; p < nargs; p++)
2477 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2478 fprintf(stderr, "%c\n", ch);
2479 #endif
2480
2481 /*
2482 * private mode handling
2483 */
2484 if (priv) {
2485 switch (priv) {
2486 case '>':
2487 if (ch == CSI_DA) /* secondary device attributes */
2488 rxvt_tt_printf(aR_ "\033[>%d;%-.8s;0c", 'R', VSTRING);
2489 break;
2490 case '?':
2491 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2492 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2493 break;
2494 }
2495 return;
2496 }
2497
2498 switch (ch) {
2499 /*
2500 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2501 */
2502 #ifdef PRINTPIPE
2503 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2504 switch (arg[0]) {
2505 case 0: /* initiate transfer to primary aux device */
2506 rxvt_scr_printscreen(aR_ 0);
2507 break;
2508 case 5: /* start relay to primary aux device */
2509 rxvt_process_print_pipe(aR);
2510 break;
2511 }
2512 break;
2513 #endif
2514
2515 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2516 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2517 arg[0] = -arg[0];
2518 /* FALLTHROUGH */
2519 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2520 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2521 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2522 break;
2523
2524 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2525 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2526 #ifdef ISO6429
2527 arg[0] = -arg[0];
2528 #else /* emulate common DEC VTs */
2529 arg[0] = arg[0] ? -arg[0] : -1;
2530 #endif
2531 /* FALLTHROUGH */
2532 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2533 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2534 #ifdef ISO6429
2535 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2536 #else /* emulate common DEC VTs */
2537 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2538 #endif
2539 break;
2540
2541 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2542 arg[0] = -arg[0];
2543 /* FALLTHROUGH */
2544 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2545 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2546 break;
2547
2548 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2549 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2550 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2551 break;
2552
2553 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2554 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2555 break;
2556
2557 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2558 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2559 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2560 break;
2561
2562 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2563 arg[0] = -arg[0];
2564 /* FALLTHROUGH */
2565 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2566 rxvt_scr_tab(aR_ arg[0]);
2567 break;
2568
2569 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2570 rxvt_scr_erase_screen(aR_ arg[0]);
2571 break;
2572
2573 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2574 rxvt_scr_erase_line(aR_ arg[0]);
2575 break;
2576
2577 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2578 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2579 break;
2580
2581 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2582 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2583 break;
2584
2585 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2586 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2587 break;
2588
2589 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2590 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2591 break;
2592
2593 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2594 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2595 break;
2596
2597 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2598 arg[0] = -arg[0];
2599 /* FALLTHROUGH */
2600 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2601 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2602 break;
2603
2604 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2605 rxvt_tt_write(aR_ (const unsigned char *)VT100_ANS,
2606 (unsigned int)(sizeof(VT100_ANS) - 1));
2607 break;
2608
2609 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2610 rxvt_process_sgr_mode(aR_ nargs, arg);
2611 break;
2612
2613 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2614 switch (arg[0]) {
2615 case 5: /* DSR requested */
2616 rxvt_tt_printf(aR_ "\033[0n");
2617 break;
2618 case 6: /* CPR requested */
2619 rxvt_scr_report_position(aR);
2620 break;
2621 #if defined (ENABLE_DISPLAY_ANSWER)
2622 case 7: /* unofficial extension */
2623 rxvt_tt_printf(aR_ "%-.250s\n", R->rs[Rs_display_name]);
2624 break;
2625 #endif
2626 case 8: /* unofficial extension */
2627 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2628 break;
2629 }
2630 break;
2631
2632 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2633 switch (arg[0]) {
2634 case 0: /* char tab stop cleared at active position */
2635 rxvt_scr_set_tab(aR_ 0);
2636 break;
2637 /* case 1: */ /* line tab stop cleared in active line */
2638 /* case 2: */ /* char tab stops cleared in active line */
2639 case 3: /* all char tab stops are cleared */
2640 /* case 4: */ /* all line tab stops are cleared */
2641 case 5: /* all tab stops are cleared */
2642 rxvt_scr_set_tab(aR_ -1);
2643 break;
2644 }
2645 break;
2646
2647 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2648 switch (arg[0]) {
2649 case 0: /* char tab stop set at active position */
2650 rxvt_scr_set_tab(aR_ 1);
2651 break; /* = ESC H */
2652 /* case 1: */ /* line tab stop set at active line */
2653 case 2: /* char tab stop cleared at active position */
2654 rxvt_scr_set_tab(aR_ 0);
2655 break; /* = ESC [ 0 g */
2656 /* case 3: */ /* line tab stop cleared at active line */
2657 /* case 4: */ /* char tab stops cleared at active line */
2658 case 5: /* all char tab stops are cleared */
2659 rxvt_scr_set_tab(aR_ -1);
2660 break; /* = ESC [ 3 g */
2661 /* case 6: */ /* all line tab stops are cleared */
2662 }
2663 break;
2664
2665 case CSI_RM: /* 8.3.107: RESET MODE */
2666 if (arg[0] == 4)
2667 rxvt_scr_insert_mode(aR_ 0);
2668 break;
2669
2670 case CSI_SM: /* 8.3.126: SET MODE */
2671 if (arg[0] == 4)
2672 rxvt_scr_insert_mode(aR_ 1);
2673 break;
2674
2675 /*
2676 * PRIVATE USE beyond this point. All CSI_7? sequences here
2677 */
2678 case CSI_72: /* DECSTBM: set top and bottom margins */
2679 if (nargs == 1)
2680 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2681 else if (nargs == 0 || arg[0] >= arg[1])
2682 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2683 else
2684 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2685 break;
2686
2687 case CSI_73:
2688 rxvt_scr_cursor(aR_ SAVE);
2689 break;
2690 case CSI_75:
2691 rxvt_scr_cursor(aR_ RESTORE);
2692 break;
2693
2694 #ifndef NO_FRILLS
2695 case CSI_74:
2696 rxvt_process_window_ops(aR_ arg, nargs);
2697 break;
2698 #endif
2699
2700 case CSI_78: /* DECREQTPARM */
2701 if (arg[0] == 0 || arg[0] == 1)
2702 rxvt_tt_printf(aR_ "\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2703 /* FALLTHROUGH */
2704
2705 default:
2706 break;
2707 }
2708 }
2709 /*}}} */
2710
2711 #ifndef NO_FRILLS
2712 /* ARGSUSED */
2713 /* INTPROTO */
2714 void
2715 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2716 {
2717 int x, y;
2718 #if 0
2719 char *s;
2720 #endif
2721 XWindowAttributes wattr;
2722 Window wdummy;
2723
2724 if (nargs == 0)
2725 return;
2726 switch (args[0]) {
2727 /*
2728 * commands
2729 */
2730 case 1: /* deiconify window */
2731 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2732 break;
2733 case 2: /* iconify window */
2734 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2735 DefaultScreen(R->Xdisplay));
2736 break;
2737 case 3: /* set position (pixels) */
2738 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2739 break;
2740 case 4: /* set size (pixels) */
2741 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2742 break;
2743 case 5: /* raise window */
2744 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2745 break;
2746 case 6: /* lower window */
2747 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2748 break;
2749 case 7: /* refresh window */
2750 rxvt_scr_touch(aR_ True);
2751 break;
2752 case 8: /* set size (chars) */
2753 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2754 (unsigned int)(args[1] * R->TermWin.fheight));
2755 break;
2756 default:
2757 if (args[0] >= 24) /* set height (chars) */
2758 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2759 (unsigned int)(args[1] * R->TermWin.fheight));
2760 break;
2761 /*
2762 * reports - some output format copied from XTerm
2763 */
2764 case 11: /* report window state */
2765 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2766 rxvt_tt_printf(aR_ "\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2767 break;
2768 case 13: /* report window position */
2769 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2770 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2771 -wattr.border_width, -wattr.border_width,
2772 &x, &y, &wdummy);
2773 rxvt_tt_printf(aR_ "\033[3;%d;%dt", x, y);
2774 break;
2775 case 14: /* report window size (pixels) */
2776 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2777 rxvt_tt_printf(aR_ "\033[4;%d;%dt", wattr.height, wattr.width);
2778 break;
2779 case 18: /* report window size (chars) */
2780 rxvt_tt_printf(aR_ "\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2781 break;
2782 #if 0 /* XXX: currently disabled due to security concerns */
2783 case 20: /* report icon label */
2784 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2785 rxvt_tt_printf(aR_ "\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2786 break;
2787 case 21: /* report window title */
2788 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2789 rxvt_tt_printf(aR_ "\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2790 break;
2791 #endif
2792 }
2793 }
2794 #endif
2795
2796 /*----------------------------------------------------------------------*/
2797 /*
2798 * get input up until STRING TERMINATOR (or BEL)
2799 * ends_how is terminator used. returned input must be free()d
2800 */
2801 /* INTPROTO */
2802 unsigned char *
2803 rxvt_get_to_st(pR_ unsigned char *ends_how)
2804 {
2805 int seen_esc = 0; /* seen escape? */
2806 unsigned int n = 0;
2807 unsigned char *s;
2808 unsigned char ch, string[STRING_MAX];
2809
2810 for (; (ch = rxvt_cmd_getc(aR));) {
2811 if (ch == C0_BEL
2812 || ch == CHAR_ST
2813 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2814 break;
2815 if (ch == C0_ESC) {
2816 seen_esc = 1;
2817 continue;
2818 } else if (ch == '\t')
2819 ch = ' '; /* translate '\t' to space */
2820 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2821 return NULL; /* other control character - exit */
2822 if (n < sizeof(string) - 1)
2823 string[n++] = ch;
2824 seen_esc = 0;
2825 }
2826 string[n++] = '\0';
2827 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2828 return NULL;
2829 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2830 STRNCPY(s, string, n);
2831 return s;
2832 }
2833
2834 /*----------------------------------------------------------------------*/
2835 /*
2836 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2837 */
2838 /* INTPROTO */
2839 void
2840 rxvt_process_dcs_seq(pR)
2841 {
2842 unsigned char eh, *s;
2843 /*
2844 * Not handled yet
2845 */
2846 s = rxvt_get_to_st(aR_ &eh);
2847 if (s)
2848 free(s);
2849 return;
2850 }
2851
2852 /*----------------------------------------------------------------------*/
2853 /*
2854 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2855 */
2856 /* INTPROTO */
2857 void
2858 rxvt_process_osc_seq(pR)
2859 {
2860 unsigned char ch, eh, *s;
2861 int arg;
2862
2863 ch = rxvt_cmd_getc(aR);
2864 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2865 arg = arg * 10 + (ch - '0');
2866
2867 if (ch == ';') {
2868 s = rxvt_get_to_st(aR_ &eh);
2869 if (s) {
2870 /*
2871 * rxvt_menubar_dispatch() violates the constness of the string,
2872 * so do it here
2873 */
2874 if (arg == XTerm_Menu)
2875 #if 0 /* XXX: currently disabled due to security concerns */
2876 rxvt_menubar_dispatch(aR_ (char *)s);
2877 #else
2878 0;
2879 #endif
2880 else
2881 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2882 free(s);
2883 }
2884 }
2885 }
2886 /*
2887 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2888 * 0 = change iconName/title
2889 * 1 = change iconName
2890 * 2 = change title
2891 * 4 = change color
2892 * 12 = change text color
2893 * 13 = change mouse foreground color
2894 * 17 = change highlight character colour
2895 * 18 = change bold character color
2896 * 19 = change underlined character color
2897 * 46 = change logfile (not implemented)
2898 * 50 = change font
2899 *
2900 * rxvt extensions:
2901 * 10 = menu (may change in future)
2902 * 20 = bg pixmap
2903 * 39 = change default fg color
2904 * 49 = change default bg color
2905 * 55 = dump scrollback buffer and all of screen
2906 */
2907 /* EXTPROTO */
2908 void
2909 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2910 {
2911 int changed = 0;
2912 int color;
2913 char *buf, *name;
2914
2915 assert(str != NULL);
2916 switch (op) {
2917 case XTerm_name:
2918 rxvt_set_title(aR_ str);
2919 /* FALLTHROUGH */
2920 case XTerm_iconName:
2921 rxvt_set_iconName(aR_ str);
2922 break;
2923 case XTerm_title:
2924 rxvt_set_title(aR_ str);
2925 break;
2926 case XTerm_Color:
2927 for (buf = (char *)str; buf && *buf;) {
2928 if ((name = STRCHR(buf, ';')) == NULL)
2929 break;
2930 *name++ = '\0';
2931 color = atoi(buf);
2932 if (color < 0 || color >= TOTAL_COLORS)
2933 break;
2934 if ((buf = STRCHR(name, ';')) != NULL)
2935 *buf++ = '\0';
2936 rxvt_set_window_color(aR_ color + minCOLOR, name);
2937 }
2938 break;
2939 #ifndef NO_CURSORCOLOR
2940 case XTerm_Color_cursor:
2941 rxvt_set_window_color(aR_ Color_cursor, str);
2942 break;
2943 #endif
2944 case XTerm_Color_pointer:
2945 rxvt_set_window_color(aR_ Color_pointer, str);
2946 break;
2947 #ifndef NO_BOLD_UNDERLINE_REVERSE
2948 case XTerm_Color_BD:
2949 rxvt_set_window_color(aR_ Color_BD, str);
2950 break;
2951 case XTerm_Color_UL:
2952 rxvt_set_window_color(aR_ Color_UL, str);
2953 break;
2954 case XTerm_Color_RV:
2955 rxvt_set_window_color(aR_ Color_RV, str);
2956 break;
2957 #endif
2958
2959 case XTerm_Menu:
2960 /*
2961 * rxvt_menubar_dispatch() violates the constness of the string,
2962 * so DON'T do it here
2963 */
2964 break;
2965 case XTerm_Pixmap:
2966 if (*str != ';') {
2967 #if XPM_BACKGROUND
2968 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2969 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2970 #endif
2971 rxvt_scr_touch(aR_ True);
2972 }
2973 while ((str = STRCHR(str, ';')) != NULL) {
2974 str++;
2975 #if XPM_BACKGROUND
2976 changed += rxvt_scale_pixmap(aR_ str);
2977 #endif
2978 }
2979 if (changed) {
2980 #ifdef XPM_BACKGROUND
2981 rxvt_resize_pixmap(aR);
2982 #endif
2983 rxvt_scr_touch(aR_ True);
2984 }
2985 break;
2986
2987 case XTerm_restoreFG:
2988 rxvt_set_window_color(aR_ Color_fg, str);
2989 break;
2990 case XTerm_restoreBG:
2991 rxvt_set_window_color(aR_ Color_bg, str);
2992 break;
2993 case XTerm_logfile:
2994 break;
2995 case XTerm_font:
2996 rxvt_change_font(aR_ 0, str);
2997 break;
2998 #if 0
2999 case XTerm_dumpscreen: /* no error notices */
3000 {
3001 int fd;
3002 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
3003 rxvt_scr_dump(aR_ fd);
3004 close(fd);
3005 }
3006 }
3007 break;
3008 #endif
3009 }
3010 }
3011 /*----------------------------------------------------------------------*/
3012
3013 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
3014 /*
3015 * mode can only have the following values:
3016 * 'l' = low
3017 * 'h' = high
3018 * 's' = save
3019 * 'r' = restore
3020 * 't' = toggle
3021 * so no need for fancy checking
3022 */
3023 /* INTPROTO */
3024 int
3025 rxvt_privcases(pR_ int mode, unsigned long bit)
3026 {
3027 int state;
3028
3029 if (mode == 's') {
3030 R->SavedModes |= (R->PrivateModes & bit);
3031 return -1;
3032 } else {
3033 if (mode == 'r')
3034 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */
3035 else
3036 state = (mode == 't') ? !(R->PrivateModes & bit) : mode;
3037 PrivMode(state, bit);
3038 }
3039 return state;
3040 }
3041
3042 /* we're not using priv _yet_ */
3043 /* INTPROTO */
3044 void
3045 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3046 {
3047 unsigned int i, j;
3048 int state;
3049 static const struct {
3050 const int argval;
3051 const unsigned long bit;
3052 } argtopriv[] = {
3053 { 1, PrivMode_aplCUR },
3054 { 2, PrivMode_vt52 },
3055 { 3, PrivMode_132 },
3056 { 4, PrivMode_smoothScroll },
3057 { 5, PrivMode_rVideo },
3058 { 6, PrivMode_relOrigin },
3059 { 7, PrivMode_Autowrap },
3060 { 9, PrivMode_MouseX10 },
3061 #ifdef menuBar_esc
3062 { menuBar_esc, PrivMode_menuBar },
3063 #endif
3064 #ifdef scrollBar_esc
3065 { scrollBar_esc, PrivMode_scrollBar },
3066 #endif
3067 { 25, PrivMode_VisibleCursor },
3068 { 35, PrivMode_ShiftKeys },
3069 { 40, PrivMode_132OK },
3070 { 47, PrivMode_Screen },
3071 { 66, PrivMode_aplKP },
3072 #ifndef NO_BACKSPACE_KEY
3073 { 67, PrivMode_BackSpace },
3074 #endif
3075 { 1000, PrivMode_MouseX11 },
3076 { 1010, PrivMode_TtyOutputInh },
3077 { 1011, PrivMode_Keypress },
3078 { 1047, PrivMode_Screen },
3079 };
3080
3081 if (nargs == 0)
3082 return;
3083
3084 /* make lo/hi boolean */
3085 if (mode == 'l')
3086 mode = 0; /* reset */
3087 else if (mode == 'h')
3088 mode = 1; /* set */
3089
3090 for (i = 0; i < nargs; i++) {
3091 state = -1;
3092
3093 /* basic handling */
3094 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3095 if (argtopriv[j].argval == arg[i]) {
3096 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3097 break;
3098 }
3099
3100 /* extra handling for values with state unkept */
3101 if (state == -1)
3102 switch (arg[i]) {
3103 case 1048: /* alternative cursor save */
3104 if (mode == 0)
3105 rxvt_scr_cursor(aR_ RESTORE);
3106 else if (mode == 1)
3107 rxvt_scr_cursor(aR_ SAVE);
3108 /* FALLTHROUGH */
3109 default:
3110 continue; /* for(;i;) */
3111 }
3112
3113 /* extra handling for values with valid 0 or 1 state */
3114 switch (arg[i]) {
3115 /* case 1: - application cursor keys */
3116 case 2: /* VT52 mode */
3117 /* oddball mode. should be set regardless of set/reset
3118 * parameter. Return from VT52 mode with an ESC < from
3119 * within VT52 mode
3120 */
3121 PrivMode(1, PrivMode_vt52);
3122 break;
3123 case 3: /* 80/132 */
3124 if (R->PrivateModes & PrivMode_132OK)
3125 rxvt_set_widthheight(aR_
3126 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3127 (unsigned int)R->TermWin.height);
3128 break;
3129 case 4: /* smooth scrolling */
3130 if (state)
3131 R->Options &= ~Opt_jumpScroll;
3132 else
3133 R->Options |= Opt_jumpScroll;
3134 break;
3135 case 5: /* reverse video */
3136 rxvt_scr_rvideo_mode(aR_ state);
3137 break;
3138 case 6: /* relative/absolute origins */
3139 rxvt_scr_relative_origin(aR_ state);
3140 break;
3141 case 7: /* autowrap */
3142 rxvt_scr_autowrap(aR_ state);
3143 break;
3144 /* case 8: - auto repeat, can't do on a per window basis */
3145 case 9: /* X10 mouse reporting */
3146 if (state) /* orthogonal */
3147 R->PrivateModes &= ~(PrivMode_MouseX11);
3148 break;
3149 #ifdef menuBar_esc
3150 case menuBar_esc:
3151 #ifdef MENUBAR
3152 rxvt_map_menuBar(aR_ state);
3153 #endif
3154 break;
3155 #endif
3156 #ifdef scrollBar_esc
3157 case scrollBar_esc:
3158 if (rxvt_scrollbar_mapping(aR_ state)) {
3159 rxvt_resize_all_windows(aR_ 0, 0, 0);
3160 rxvt_scr_touch(aR_ True);
3161 }
3162 break;
3163 #endif
3164 case 25: /* visible/invisible cursor */
3165 rxvt_scr_cursor_visible(aR_ state);
3166 break;
3167 /* case 35: - shift keys */
3168 /* case 40: - 80 <--> 132 mode */
3169 case 47: /* secondary screen */
3170 rxvt_scr_change_screen(aR_ state);
3171 break;
3172 /* case 66: - application key pad */
3173 /* case 67: - backspace key */
3174 case 1000: /* X11 mouse reporting */
3175 if (state) /* orthogonal */
3176 R->PrivateModes &= ~(PrivMode_MouseX10);
3177 break;
3178 #if 0
3179 case 1001:
3180 break; /* X11 mouse highlighting */
3181 #endif
3182 case 1010: /* scroll to bottom on TTY output inhibit */
3183 if (state)
3184 R->Options &= ~Opt_scrollTtyOutput;
3185 else
3186 R->Options |= Opt_scrollTtyOutput;
3187 break;
3188 case 1011: /* scroll to bottom on key press */
3189 if (state)
3190 R->Options |= Opt_scrollTtyKeypress;
3191 else
3192 R->Options &= ~Opt_scrollTtyKeypress;
3193 break;
3194 case 1047: /* secondary screen w/ clearing */
3195 if (R->current_screen != PRIMARY)
3196 rxvt_scr_erase_screen(aR_ 2);
3197 rxvt_scr_change_screen(aR_ state);
3198 /* FALLTHROUGH */
3199 default:
3200 break;
3201 }
3202 }
3203 }
3204 /*}}} */
3205
3206 /*{{{ process sgr sequences */
3207 /* INTPROTO */
3208 void
3209 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3210 {
3211 unsigned int i;
3212 short rendset;
3213 int rendstyle;
3214
3215 if (nargs == 0) {
3216 rxvt_scr_rendition(aR_ 0, ~RS_None);
3217 return;
3218 }
3219 for (i = 0; i < nargs; i++) {
3220 rendset = -1;
3221 switch (arg[i]) {
3222 case 0:
3223 rendset = 0, rendstyle = ~RS_None;
3224 break;
3225 case 1:
3226 rendset = 1, rendstyle = RS_Bold;
3227 break;
3228 case 4:
3229 rendset = 1, rendstyle = RS_Uline;
3230 break;
3231 case 5:
3232 rendset = 1, rendstyle = RS_Blink;
3233 break;
3234 case 7:
3235 rendset = 1, rendstyle = RS_RVid;
3236 break;
3237 case 22:
3238 rendset = 0, rendstyle = RS_Bold;
3239 break;
3240 case 24:
3241 rendset = 0, rendstyle = RS_Uline;
3242 break;
3243 case 25:
3244 rendset = 0, rendstyle = RS_Blink;
3245 break;
3246 case 27:
3247 rendset = 0, rendstyle = RS_RVid;
3248 break;
3249 }
3250 if (rendset != -1) {
3251 rxvt_scr_rendition(aR_ rendset, rendstyle);
3252 continue; /* for(;i;) */
3253 }
3254
3255 switch (arg[i]) {
3256 case 30:
3257 case 31: /* set fg color */
3258 case 32:
3259 case 33:
3260 case 34:
3261 case 35:
3262 case 36:
3263 case 37:
3264 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3265 Color_fg);
3266 break;
3267 #ifdef TTY_256COLOR
3268 case 38:
3269 if (nargs > i + 2 && arg[i + 1] == 5) {
3270 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3271 Color_fg);
3272 i += 2;
3273 }
3274 break;
3275 #endif
3276 case 39: /* default fg */
3277 rxvt_scr_color(aR_ Color_fg, Color_fg);
3278 break;
3279
3280 case 40:
3281 case 41: /* set bg color */
3282 case 42:
3283 case 43:
3284 case 44:
3285 case 45:
3286 case 46:
3287 case 47:
3288 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3289 Color_bg);
3290 break;
3291 #ifdef TTY_256COLOR
3292 case 48:
3293 if (nargs > i + 2 && arg[i + 1] == 5) {
3294 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3295 Color_bg);
3296 i += 2;
3297 }
3298 break;
3299 #endif
3300 case 49: /* default bg */
3301 rxvt_scr_color(aR_ Color_bg, Color_bg);
3302 break;
3303
3304 #ifndef NO_BRIGHTCOLOR
3305 case 90:
3306 case 91: /* set bright fg color */
3307 case 92:
3308 case 93:
3309 case 94:
3310 case 95:
3311 case 96:
3312 case 97:
3313 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3314 Color_fg);
3315 break;
3316 case 100:
3317 case 101: /* set bright bg color */
3318 case 102:
3319 case 103:
3320 case 104:
3321 case 105:
3322 case 106:
3323 case 107:
3324 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3325 Color_bg);
3326 break;
3327 #endif
3328 }
3329 }
3330 }
3331 /*}}} */
3332
3333 /*{{{ process Rob Nation's own graphics mode sequences */
3334 /* INTPROTO */
3335 void
3336 rxvt_process_graphics(pR)
3337 {
3338 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3339
3340 #ifndef RXVT_GRAPHICS
3341 if (cmd == 'Q') { /* query graphics */
3342 rxvt_tt_printf(aR_ "\033G0\n"); /* no graphics */
3343 return;
3344 }
3345 /* swallow other graphics sequences until terminating ':' */
3346 do
3347 ch = rxvt_cmd_getc(aR);
3348 while (ch != ':');
3349 #else
3350 unsigned int nargs;
3351 int args[NGRX_PTS];
3352 unsigned char *text = NULL;
3353
3354 if (cmd == 'Q') { /* query graphics */
3355 rxvt_tt_printf(aR_ "\033G1\n"); /* yes, graphics (color) */
3356 return;
3357 }
3358 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3359 int neg;
3360
3361 ch = rxvt_cmd_getc(aR);
3362 neg = (ch == '-');
3363 if (neg || ch == '+')
3364 ch = rxvt_cmd_getc(aR);
3365
3366 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3367 args[nargs] = args[nargs] * 10 + (ch - '0');
3368 if (neg)
3369 args[nargs] = -args[nargs];
3370
3371 nargs++;
3372 args[nargs] = 0;
3373 if (ch != ';')
3374 break;
3375 }
3376
3377 if ((cmd == 'T') && (nargs >= 5)) {
3378 int i, len = args[4];
3379
3380 text = rxvt_malloc((len + 1) * sizeof(char));
3381
3382 if (text != NULL) {
3383 for (i = 0; i < len; i++)
3384 text[i] = rxvt_cmd_getc(aR);
3385 text[len] = '\0';
3386 }
3387 }
3388 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3389 #endif
3390 }
3391 /*}}} */
3392
3393 /* ------------------------------------------------------------------------- */
3394
3395 /*
3396 * Send printf() formatted output to the command.
3397 * Only use for small amounts of data.
3398 */
3399 /* EXTPROTO */
3400 void
3401 rxvt_tt_printf(pR_ const char *fmt,...)
3402 {
3403 va_list arg_ptr;
3404 unsigned char buf[256];
3405
3406 va_start(arg_ptr, fmt);
3407 vsprintf((char *)buf, fmt, arg_ptr);
3408 va_end(arg_ptr);
3409 rxvt_tt_write(aR_ buf, (unsigned int)STRLEN(buf));
3410 }
3411
3412 /* ---------------------------------------------------------------------- */
3413 /* Addresses pasting large amounts of data and rxvt hang
3414 * code pinched from xterm (v_write()) and applied originally to
3415 * rxvt-2.18 - Hops
3416 * Write data to the pty as typed by the user, pasted with the mouse,
3417 * or generated by us in response to a query ESC sequence.
3418 */
3419 /* EXTPROTO */
3420 void
3421 rxvt_tt_write(pR_ const unsigned char *d, unsigned int len)
3422 {
3423 #define MAX_PTY_WRITE 256 /* POSIX minimum MAX_INPUT */
3424 int riten;
3425 unsigned int p;
3426 unsigned char *v_buffer, /* start of physical buffer */
3427 *v_bufstr, /* start of current buffer pending */
3428 *v_bufptr, /* end of current buffer pending */
3429 *v_bufend; /* end of physical buffer */
3430
3431 if (R->v_bufstr == NULL && len > 0) {
3432 p = (len / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3433 v_buffer = v_bufstr = v_bufptr = (unsigned char *)rxvt_malloc(p);
3434 v_bufend = v_buffer + p;
3435 } else {
3436 v_buffer = R->v_buffer;
3437 v_bufstr = R->v_bufstr;
3438 v_bufptr = R->v_bufptr;
3439 v_bufend = R->v_bufend;
3440 }
3441
3442 /*
3443 * Append to the block we already have. Always doing this simplifies the
3444 * code, and isn't too bad, either. If this is a short block, it isn't
3445 * too expensive, and if this is a long block, we won't be able to write
3446 * it all anyway.
3447 */
3448 if (len > 0) {
3449 if (v_bufend < v_bufptr + len) { /* run out of room */
3450 if (v_bufstr != v_buffer) {
3451 /* there is unused space, move everything down */
3452 MEMMOVE(v_buffer, v_bufstr,
3453 (unsigned int)(v_bufptr - v_bufstr));
3454 v_bufptr -= v_bufstr - v_buffer;
3455 v_bufstr = v_buffer;
3456 }
3457 if (v_bufend < v_bufptr + len) {
3458 /* still won't fit: get more space */
3459 /* use most basic realloc because an error is not fatal. */
3460 unsigned int size = v_bufptr - v_buffer;
3461 unsigned int reallocto;
3462
3463 reallocto = ((size + len) / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3464 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3465 /* save across realloc */
3466 if (v_buffer) {
3467 v_bufstr = v_buffer;
3468 v_bufptr = v_buffer + size;
3469 v_bufend = v_buffer + reallocto;
3470 } else { /* no memory: ignore entire write request */
3471 rxvt_print_error("data loss: cannot allocate buffer space");
3472 v_buffer = v_bufstr; /* restore clobbered pointer */
3473 }
3474 }
3475 }
3476 if (v_bufend >= v_bufptr + len) { /* new stuff will fit */
3477 MEMCPY(v_bufptr, d, len);
3478 v_bufptr += len;
3479 }
3480 }
3481
3482 /*
3483 * Write out as much of the buffer as we can.
3484 * Be careful not to overflow the pty's input silo.
3485 * We are conservative here and only write a small amount at a time.
3486 *
3487 * If we can't push all the data into the pty yet, we expect write
3488 * to return a non-negative number less than the length requested
3489 * (if some data written) or -1 and set errno to EAGAIN,
3490 * EWOULDBLOCK, or EINTR (if no data written).
3491 *
3492 * (Not all systems do this, sigh, so the code is actually
3493 * a little more forgiving.)
3494 */
3495 if ((p = v_bufptr - v_bufstr) > 0) {
3496 riten = write(R->cmd_fd, v_bufstr, min(p, MAX_PTY_WRITE));
3497 if (riten < 0)
3498 riten = 0;
3499 v_bufstr += riten;
3500 if (v_bufstr >= v_bufptr) /* we wrote it all */
3501 v_bufstr = v_bufptr = v_buffer;
3502 }
3503 /*
3504 * If we have lots of unused memory allocated, return it
3505 */
3506 if (v_bufend - v_bufptr > MAX_PTY_WRITE * 8) { /* arbitrary hysteresis */
3507 /* save pointers across realloc */
3508 unsigned int start = v_bufstr - v_buffer;
3509 unsigned int size = v_bufptr - v_buffer;
3510 unsigned int reallocto;
3511
3512 reallocto = (size / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3513 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3514 if (v_buffer) {
3515 v_bufstr = v_buffer + start;
3516 v_bufptr = v_buffer + size;
3517 v_bufend = v_buffer + reallocto;
3518 } else {
3519 /* should we print a warning if couldn't return memory? */
3520 v_buffer = v_bufstr - start; /* restore clobbered pointer */
3521 }
3522 }
3523 R->v_buffer = v_buffer;
3524 R->v_bufstr = v_bufstr;
3525 R->v_bufptr = v_bufptr;
3526 R->v_bufend = v_bufend;
3527 }
3528 /*----------------------- end-of-file (C source) -----------------------*/
3529