ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/command.C
Revision: 1.14
Committed: Mon Dec 8 23:14:40 2003 UTC (20 years, 5 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.13: +32 -41 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.13 2003/12/05 04:27:20 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 int valid_keysym;
67 unsigned char *kbuf = R->kbuf;
68
69 /*
70 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
71 * escape sequence to toggle the Keypad.
72 *
73 * Always permit `shift' to override the current setting
74 */
75 shft = (ev->state & ShiftMask);
76 ctrl = (ev->state & ControlMask);
77 meta = (ev->state & R->ModMetaMask);
78
79 if (R->numlock_state || (ev->state & R->ModNumLockMask))
80 {
81 R->numlock_state = (ev->state & R->ModNumLockMask);
82 PrivMode((!R->numlock_state), PrivMode_aplKP);
83 }
84
85 kbuf[0] = 0;
86
87 #ifdef USE_XIM
88 if (R->Input_Context)
89 {
90 Status status_return;
91
92 #ifdef X_HAVE_UTF8_STRING
93 len = Xutf8LookupString(R->Input_Context, ev, (char *)kbuf,
94 KBUFSZ, &keysym, &status_return);
95 #else
96 len = XmbLookupString(R->Input_Context, ev, (char *)kbuf,
97 KBUFSZ, &keysym, &status_return);
98 #endif
99 valid_keysym = ((status_return == XLookupKeySym)
100 || (status_return == XLookupBoth));
101 }
102 else
103 #endif
104 {
105 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym, &R->compose);
106 valid_keysym = !len;
107 }
108
109 if (valid_keysym)
110 {
111 /* for some backwards compatibility */
112 #if defined(HOTKEY_CTRL) || defined(HOTKEY_META)
113 # ifdef HOTKEY_CTRL
114 if (ctrl)
115 # else
116 if (meta)
117 # endif
118 {
119 if (keysym == R->ks_bigfont)
120 {
121 rxvt_change_font(aR_ 0, FONT_UP);
122 return;
123 }
124 else if (keysym == R->ks_smallfont)
125 {
126 rxvt_change_font(aR_ 0, FONT_DN);
127 return;
128 }
129 }
130 #endif
131
132 if (R->TermWin.saveLines) {
133 #ifdef UNSHIFTED_SCROLLKEYS
134 if (!ctrl && !meta) {
135 #else
136 if (IS_SCROLL_MOD) {
137 #endif
138 int lnsppg;
139
140 #ifdef PAGING_CONTEXT_LINES
141 lnsppg = R->TermWin.nrow - PAGING_CONTEXT_LINES;
142 #else
143 lnsppg = R->TermWin.nrow * 4 / 5;
144 #endif
145 if (keysym == XK_Prior) {
146 rxvt_scr_page(aR_ UP, lnsppg);
147 return;
148 } else if (keysym == XK_Next) {
149 rxvt_scr_page(aR_ DN, lnsppg);
150 return;
151 }
152 }
153 #ifdef SCROLL_ON_UPDOWN_KEYS
154 if (IS_SCROLL_MOD) {
155 if (keysym == XK_Up) {
156 rxvt_scr_page(aR_ UP, 1);
157 return;
158 } else if (keysym == XK_Down) {
159 rxvt_scr_page(aR_ DN, 1);
160 return;
161 }
162 }
163 #endif
164 #ifdef SCROLL_ON_HOMEEND_KEYS
165 if (IS_SCROLL_MOD) {
166 if (keysym == XK_Home) {
167 rxvt_scr_move_to(aR_ 0, 1);
168 return;
169 } else if (keysym == XK_End) {
170 rxvt_scr_move_to(aR_ 1, 0);
171 return;
172 }
173 }
174 #endif
175 }
176
177 if (shft) {
178 /* Shift + F1 - F10 generates F11 - F20 */
179 if (keysym >= XK_F1 && keysym <= XK_F10) {
180 keysym += (XK_F11 - XK_F1);
181 shft = 0; /* turn off Shift */
182 } else if (!ctrl && !meta && (R->PrivateModes & PrivMode_ShiftKeys)) {
183 switch (keysym) {
184 /* normal XTerm key bindings */
185 case XK_Insert: /* Shift+Insert = paste mouse selection */
186 rxvt_selection_request(aR_ ev->time, 0, 0);
187 return;
188 /* rxvt extras */
189 case XK_KP_Add: /* Shift+KP_Add = bigger font */
190 rxvt_change_font(aR_ 0, FONT_UP);
191 return;
192 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
193 rxvt_change_font(aR_ 0, FONT_DN);
194 return;
195 }
196 }
197 }
198 #ifdef PRINTPIPE
199 if (keysym == XK_Print) {
200 rxvt_scr_printscreen(aR_ ctrl | shft);
201 return;
202 }
203 #endif
204 #ifdef GREEK_SUPPORT
205 if (keysym == R->ks_greekmodeswith) {
206 R->greek_mode = !R->greek_mode;
207 if (R->greek_mode) {
208 rxvt_xterm_seq(aR_ XTerm_title,
209 (greek_getmode() == GREEK_ELOT928
210 ? "[Greek: iso]" : "[Greek: ibm]"), CHAR_ST);
211 greek_reset();
212 } else
213 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
214 return;
215 }
216 #endif
217
218 if (keysym >= 0xFF00 && keysym <= 0xFFFF) {
219 #ifdef KEYSYM_RESOURCE
220 if (!(shft | ctrl) && R->Keysym_map[keysym & 0xFF] != NULL) {
221 unsigned int l;
222 const unsigned char *kbuf0;
223 const unsigned char ch = C0_ESC;
224
225 kbuf0 = (R->Keysym_map[keysym & 0xFF]);
226 l = (unsigned int)*kbuf0++;
227
228 /* escape prefix */
229 if (meta)
230 # ifdef META8_OPTION
231 if (R->meta_char == C0_ESC)
232 # endif
233 R->tt_write (&ch, 1);
234 R->tt_write (kbuf0, l);
235 return;
236 } else
237 #endif
238 {
239 newlen = 1;
240 switch (keysym) {
241 #ifndef NO_BACKSPACE_KEY
242 case XK_BackSpace:
243 if (R->PrivateModes & PrivMode_HaveBackSpace) {
244 kbuf[0] = (!!(R->PrivateModes & PrivMode_BackSpace)
245 ^ !!ctrl) ? '\b' : '\177';
246 kbuf[1] = '\0';
247 } else
248 STRCPY(kbuf, R->key_backspace);
249 # ifdef MULTICHAR_SET
250 if ((R->Options & Opt_mc_hack) && R->screen.cur.col > 0) {
251 int col, row;
252
253 newlen = STRLEN(kbuf);
254 col = R->screen.cur.col - 1;
255 row = R->screen.cur.row + R->TermWin.saveLines;
256 if (IS_MULTI2(R->screen.rend[row][col]))
257 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
258 }
259 # endif
260 break;
261 #endif
262 #ifndef NO_DELETE_KEY
263 case XK_Delete:
264 STRCPY(kbuf, R->key_delete);
265 # ifdef MULTICHAR_SET
266 if (R->Options & Opt_mc_hack) {
267 int col, row;
268
269 newlen = STRLEN(kbuf);
270 col = R->screen.cur.col;
271 row = R->screen.cur.row + R->TermWin.saveLines;
272 if (IS_MULTI1(R->screen.rend[row][col]))
273 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
274 }
275 # endif
276 break;
277 #endif
278 case XK_Tab:
279 if (shft)
280 STRCPY(kbuf, "\033[Z");
281 else {
282 #ifdef CTRL_TAB_MAKES_META
283 if (ctrl)
284 meta = 1;
285 #endif
286 #ifdef MOD4_TAB_MAKES_META
287 if (ev->state & Mod4Mask)
288 meta = 1;
289 #endif
290 newlen = 0;
291 }
292 break;
293
294
295 #ifdef XK_KP_Left
296 case XK_KP_Up: /* \033Ox or standard */
297 case XK_KP_Down: /* \033Or or standard */
298 case XK_KP_Right: /* \033Ov or standard */
299 case XK_KP_Left: /* \033Ot or standard */
300 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
301 STRCPY(kbuf, "\033OZ");
302 kbuf[2] = ("txvr"[keysym - XK_KP_Left]);
303 break;
304 } else
305 /* translate to std. cursor key */
306 keysym = XK_Left + (keysym - XK_KP_Left);
307 /* FALLTHROUGH */
308 #endif
309 case XK_Up: /* "\033[A" */
310 case XK_Down: /* "\033[B" */
311 case XK_Right: /* "\033[C" */
312 case XK_Left: /* "\033[D" */
313 STRCPY(kbuf, "\033[Z");
314 kbuf[2] = ("DACB"[keysym - XK_Left]);
315 /* do Shift first */
316 if (shft)
317 kbuf[2] = ("dacb"[keysym - XK_Left]);
318 else if (ctrl) {
319 kbuf[1] = 'O';
320 kbuf[2] = ("dacb"[keysym - XK_Left]);
321 } else if (R->PrivateModes & PrivMode_aplCUR)
322 kbuf[1] = 'O';
323 #ifdef MULTICHAR_SET
324 //TODO: ??
325 if (R->Options & Opt_mc_hack) {
326 int col, row, m;
327
328 col = R->screen.cur.col;
329 row = R->screen.cur.row + R->TermWin.saveLines;
330 m = 0;
331 if (keysym == XK_Right
332 && IS_MULTI1(R->screen.rend[row][col]))
333 m = 1;
334 else if (keysym == XK_Left) {
335 if (col > 0) {
336 if (IS_MULTI2(R->screen.rend[row][col - 1]))
337 m = 1;
338 } else if (R->screen.cur.row > 0) {
339 col = R->screen.tlen[--row];
340 if (col == -1)
341 col = R->TermWin.ncol - 1;
342 else
343 col--;
344 if (col > 0
345 && IS_MULTI2(R->screen.rend[row][col]))
346 m = 1;
347 }
348 }
349 if (m)
350 MEMMOVE(kbuf + 3, kbuf, 3 + 1);
351 }
352 #endif
353 break;
354
355 #ifndef UNSHIFTED_SCROLLKEYS
356 # ifdef XK_KP_Prior
357 case XK_KP_Prior:
358 /* allow shift to override */
359 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
360 STRCPY(kbuf, "\033Oy");
361 break;
362 }
363 /* FALLTHROUGH */
364 # endif
365 case XK_Prior:
366 STRCPY(kbuf, "\033[5~");
367 break;
368 # ifdef XK_KP_Next
369 case XK_KP_Next:
370 /* allow shift to override */
371 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
372 STRCPY(kbuf, "\033Os");
373 break;
374 }
375 /* FALLTHROUGH */
376 # endif
377 case XK_Next:
378 STRCPY(kbuf, "\033[6~");
379 break;
380 #endif
381 case XK_KP_Enter:
382 /* allow shift to override */
383 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
384 STRCPY(kbuf, "\033OM");
385 } else {
386 kbuf[0] = '\r';
387 kbuf[1] = '\0';
388 }
389 break;
390
391 #ifdef XK_KP_Begin
392 case XK_KP_Begin:
393 STRCPY(kbuf, "\033Ou");
394 break;
395
396 case XK_KP_Insert:
397 STRCPY(kbuf, "\033Op");
398 break;
399
400 case XK_KP_Delete:
401 STRCPY(kbuf, "\033On");
402 break;
403 #endif
404 case XK_KP_F1: /* "\033OP" */
405 case XK_KP_F2: /* "\033OQ" */
406 case XK_KP_F3: /* "\033OR" */
407 case XK_KP_F4: /* "\033OS" */
408 STRCPY(kbuf, "\033OP");
409 kbuf[2] += (keysym - XK_KP_F1);
410 break;
411
412 case XK_KP_Multiply: /* "\033Oj" : "*" */
413 case XK_KP_Add: /* "\033Ok" : "+" */
414 case XK_KP_Separator: /* "\033Ol" : "," */
415 case XK_KP_Subtract: /* "\033Om" : "-" */
416 case XK_KP_Decimal: /* "\033On" : "." */
417 case XK_KP_Divide: /* "\033Oo" : "/" */
418 case XK_KP_0: /* "\033Op" : "0" */
419 case XK_KP_1: /* "\033Oq" : "1" */
420 case XK_KP_2: /* "\033Or" : "2" */
421 case XK_KP_3: /* "\033Os" : "3" */
422 case XK_KP_4: /* "\033Ot" : "4" */
423 case XK_KP_5: /* "\033Ou" : "5" */
424 case XK_KP_6: /* "\033Ov" : "6" */
425 case XK_KP_7: /* "\033Ow" : "7" */
426 case XK_KP_8: /* "\033Ox" : "8" */
427 case XK_KP_9: /* "\033Oy" : "9" */
428 /* allow shift to override */
429 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
430 STRCPY(kbuf, "\033Oj");
431 kbuf[2] += (keysym - XK_KP_Multiply);
432 } else {
433 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
434 kbuf[1] = '\0';
435 }
436 break;
437
438 case XK_Find:
439 STRCPY(kbuf, "\033[1~");
440 break;
441 case XK_Insert:
442 STRCPY(kbuf, "\033[2~");
443 break;
444 #ifdef DXK_Remove /* support for DEC remove like key */
445 case DXK_Remove:
446 /* FALLTHROUGH */
447 #endif
448 case XK_Execute:
449 STRCPY(kbuf, "\033[3~");
450 break;
451 case XK_Select:
452 STRCPY(kbuf, "\033[4~");
453 break;
454 #ifdef XK_KP_End
455 case XK_KP_End:
456 /* allow shift to override */
457 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
458 STRCPY(kbuf, "\033Oq");
459 break;
460 }
461 /* FALLTHROUGH */
462 #endif
463 case XK_End:
464 STRCPY(kbuf, KS_END);
465 break;
466 #ifdef XK_KP_Home
467 case XK_KP_Home:
468 /* allow shift to override */
469 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
470 STRCPY(kbuf, "\033Ow");
471 break;
472 }
473 /* FALLTHROUGH */
474 #endif
475 case XK_Home:
476 STRCPY(kbuf, KS_HOME);
477 break;
478
479 #define FKEY(n, fkey) \
480 sprintf((char *)kbuf,"\033[%2d~", (int)((n) + (keysym - fkey)))
481
482 case XK_F1: /* "\033[11~" */
483 case XK_F2: /* "\033[12~" */
484 case XK_F3: /* "\033[13~" */
485 case XK_F4: /* "\033[14~" */
486 case XK_F5: /* "\033[15~" */
487 FKEY(11, XK_F1);
488 break;
489 case XK_F6: /* "\033[17~" */
490 case XK_F7: /* "\033[18~" */
491 case XK_F8: /* "\033[19~" */
492 case XK_F9: /* "\033[20~" */
493 case XK_F10: /* "\033[21~" */
494 FKEY(17, XK_F6);
495 break;
496 case XK_F11: /* "\033[23~" */
497 case XK_F12: /* "\033[24~" */
498 case XK_F13: /* "\033[25~" */
499 case XK_F14: /* "\033[26~" */
500 FKEY(23, XK_F11);
501 break;
502 case XK_F15: /* "\033[28~" */
503 case XK_F16: /* "\033[29~" */
504 FKEY(28, XK_F15);
505 break;
506 case XK_Help: /* "\033[28~" */
507 FKEY(28, XK_Help);
508 break;
509 case XK_Menu: /* "\033[29~" */
510 FKEY(29, XK_Menu);
511 break;
512 case XK_F17: /* "\033[31~" */
513 case XK_F18: /* "\033[32~" */
514 case XK_F19: /* "\033[33~" */
515 case XK_F20: /* "\033[34~" */
516 case XK_F21: /* "\033[35~" */
517 case XK_F22: /* "\033[36~" */
518 case XK_F23: /* "\033[37~" */
519 case XK_F24: /* "\033[38~" */
520 case XK_F25: /* "\033[39~" */
521 case XK_F26: /* "\033[40~" */
522 case XK_F27: /* "\033[41~" */
523 case XK_F28: /* "\033[42~" */
524 case XK_F29: /* "\033[43~" */
525 case XK_F30: /* "\033[44~" */
526 case XK_F31: /* "\033[45~" */
527 case XK_F32: /* "\033[46~" */
528 case XK_F33: /* "\033[47~" */
529 case XK_F34: /* "\033[48~" */
530 case XK_F35: /* "\033[49~" */
531 FKEY(31, XK_F17);
532 break;
533 #undef FKEY
534 default:
535 newlen = 0;
536 break;
537 }
538 if (newlen)
539 len = STRLEN(kbuf);
540 }
541 /*
542 * Pass meta for all function keys, if 'meta' option set
543 */
544 #ifdef META8_OPTION
545 if (meta && (R->meta_char == 0x80) && len > 0)
546 kbuf[len - 1] |= 0x80;
547 #endif
548 } else if (ctrl && keysym == XK_minus) {
549 len = 1;
550 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
551 } else {
552 #ifdef META8_OPTION
553 /* set 8-bit on */
554 if (meta && (R->meta_char == 0x80)) {
555 unsigned char *ch;
556
557 for (ch = kbuf; ch < kbuf + len; ch++)
558 *ch |= 0x80;
559 meta = 0;
560 }
561 #endif
562 #ifdef GREEK_SUPPORT
563 if (R->greek_mode)
564 len = greek_xlat(kbuf, len);
565 #endif
566 /* nil */ ;
567 }
568 }
569
570 if (len <= 0)
571 return; /* not mapped */
572
573 if (R->Options & Opt_scrollTtyKeypress)
574 if (R->TermWin.view_start) {
575 R->TermWin.view_start = 0;
576 R->want_refresh = 1;
577 }
578
579 /*
580 * these modifications only affect the static keybuffer
581 * pass Shift/Control indicators for function keys ending with `~'
582 *
583 * eg,
584 * Prior = "ESC[5~"
585 * Shift+Prior = "ESC[5$"
586 * Ctrl+Prior = "ESC[5^"
587 * Ctrl+Shift+Prior = "ESC[5@"
588 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
589 */
590 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
591 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
592
593 /* escape prefix */
594 if (meta
595 #ifdef META8_OPTION
596 && (R->meta_char == C0_ESC)
597 #endif
598 ) {
599 const unsigned char ch = C0_ESC;
600
601 R->tt_write(&ch, 1);
602 }
603 #ifdef DEBUG_CMD
604 if (debug_key) { /* Display keyboard buffer contents */
605 char *p;
606 int i;
607
608 fprintf(stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
609 for (i = 0, p = kbuf; i < len; i++, p++)
610 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
611 fprintf(stderr, "'\n");
612 }
613 #endif /* DEBUG_CMD */
614 R->tt_write(kbuf, (unsigned int)len);
615 }
616 /*}}} */
617
618 #if (MENUBAR_MAX)
619 /*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
620 /* attempt to `write' count to the input buffer */
621 /* EXTPROTO */
622 unsigned int
623 rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
624 {
625 unsigned int n, s;
626 unsigned char *cmdbuf_base = R->cmdbuf_base,
627 *cmdbuf_endp = R->cmdbuf_endp,
628 *cmdbuf_ptr = R->cmdbuf_ptr;
629
630 n = cmdbuf_ptr - cmdbuf_base;
631 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp;
632 if (n > 0 && s < count) {
633 MEMMOVE(cmdbuf_base, cmdbuf_ptr,
634 (unsigned int)(cmdbuf_endp - cmdbuf_ptr));
635 cmdbuf_ptr = cmdbuf_base;
636 cmdbuf_endp -= n;
637 s += n;
638 }
639 if (count > s) {
640 rxvt_print_error("data loss: cmd_write too large");
641 count = s;
642 }
643 for (; count--;)
644 *cmdbuf_endp++ = *str++;
645 R->cmdbuf_ptr = cmdbuf_ptr;
646 R->cmdbuf_endp = cmdbuf_endp;
647 return 0;
648 }
649 #endif /* MENUBAR_MAX */
650
651 void
652 rxvt_term::flush ()
653 {
654 #ifdef TRANSPARENT
655 if (want_full_refresh)
656 {
657 want_full_refresh = 0;
658 rxvt_scr_clear (this);
659 rxvt_scr_touch (this, False);
660 want_refresh = 1;
661 }
662 #endif
663
664 if (want_refresh)
665 {
666 rxvt_scr_refresh (this, refresh_type);
667 rxvt_scrollbar_show (this, 1);
668 #ifdef USE_XIM
669 rxvt_IMSendSpot (this);
670 #endif
671 }
672
673 XFlush (Xdisplay);
674 #if 0
675 if (XPending (Xdisplay)) process_x_events ();
676 if (XPending (Xdisplay)) process_x_events ();
677 #endif
678 }
679
680 void
681 rxvt_term::check_cb (check_watcher &w)
682 {
683 SET_R (this);
684
685 flush ();
686 }
687
688 void
689 rxvt_term::process_x_events ()
690 {
691 do
692 {
693 XEvent xev;
694
695 XNextEvent (Xdisplay, &xev);
696
697 #if defined(CURSOR_BLINK)
698 if ((Options & Opt_cursorBlink)
699 && xev.type == KeyPress)
700 {
701 if (hidden_cursor)
702 {
703 hidden_cursor = 0;
704 want_refresh = 1;
705 }
706
707 blink_ev.start (NOW + BLINK_INTERVAL);
708 }
709 #endif
710
711 #if defined(POINTER_BLANK)
712 if ((Options & Opt_pointerBlank)
713 && (pointerBlankDelay > 0))
714 {
715 if (xev.type == MotionNotify
716 || xev.type == ButtonPress
717 || xev.type == ButtonRelease)
718 if (hidden_pointer)
719 pointer_unblank ();
720
721 if (xev.type == KeyPress && hidden_pointer == 0)
722 pointer_blank ();
723 }
724 #endif
725
726 #ifdef USE_XIM
727 if (!XFilterEvent (&xev, xev.xany.window))
728 #endif
729 rxvt_process_x_event (this, &xev);
730 }
731 while (XPending (Xdisplay));
732 }
733
734 void
735 rxvt_term::blink_cb (time_watcher &w)
736 {
737 SET_R (this);
738
739 w.at += BLINK_INTERVAL;
740 hidden_cursor = !hidden_cursor;
741 want_refresh = 1;
742 }
743
744 void
745 rxvt_term::x_cb (io_watcher &w, short revents)
746 {
747 SET_R (this);
748
749 process_x_events ();
750 }
751
752 bool
753 rxvt_term::pty_fill ()
754 {
755 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
756
757 memmove (cmdbuf_base, cmdbuf_ptr, n);
758 cmdbuf_ptr = cmdbuf_base;
759 cmdbuf_endp = cmdbuf_ptr + n;
760
761 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n);
762
763 if (n > 0)
764 {
765 cmdbuf_endp += n;
766 return true;
767 }
768 else if (n < 0 && errno != EAGAIN)
769 destroy ();
770
771 return false;
772 }
773
774 void
775 rxvt_term::pty_cb (io_watcher &w, short revents)
776 {
777 SET_R (this);
778
779 if (revents & EVENT_WRITE)
780 tt_write (0, 0);
781 else if (revents & EVENT_READ)
782 {
783 bool flag = true;
784
785 // loop, but don't allow a single term to monopolize us
786 // the number of loops is fully arbitrary, and thus wrong
787 while (flag && pty_fill ())
788 {
789 if (!seen_input)
790 {
791 seen_input = 1;
792 /* once we know the shell is running, send the screen size. Again! */
793 tt_winch ();
794 }
795
796 uint32_t ch = NOCHAR;
797
798 for (;;)
799 {
800 if (ch == NOCHAR)
801 ch = next_char ();
802
803 if (ch == NOCHAR) // TODO: improve
804 break;
805
806 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
807 {
808 /* Read a text string from the input buffer */
809 uint32_t buf[BUFSIZ];
810 bool refreshnow = false;
811 int nlines = 0;
812 uint32_t *str = buf;
813
814 *str++ = ch;
815
816 for (;;)
817 {
818 ch = next_char ();
819
820 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
821 break;
822 else
823 {
824 *str++ = ch;
825
826 if (ch == '\n')
827 {
828 nlines++;
829 refresh_count++;
830
831 if (!(Options & Opt_jumpScroll)
832 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
833 {
834 refreshnow = true;
835 flag = false;
836 ch = NOCHAR;
837 break;
838 }
839 }
840
841 if (str >= buf + BUFSIZ)
842 {
843 ch = NOCHAR;
844 break;
845 }
846 }
847 }
848
849 rxvt_scr_add_lines (this, buf, nlines, str - buf);
850
851 /*
852 * If there have been a lot of new lines, then update the screen
853 * What the heck I'll cheat and only refresh less than every page-full.
854 * the number of pages between refreshes is refresh_limit, which
855 * is incremented here because we must be doing flat-out scrolling.
856 *
857 * refreshing should be correct for small scrolls, because of the
858 * time-out
859 */
860 if (refreshnow)
861 {
862 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
863 refresh_limit++;
864
865 rxvt_scr_refresh (this, refresh_type);
866 }
867
868 }
869 else
870 {
871 switch (ch)
872 {
873 default:
874 rxvt_process_nonprinting (this, ch);
875 break;
876 case C0_ESC: /* escape char */
877 rxvt_process_escape_seq (this);
878 break;
879 /*case 0x9b: */ /* CSI */
880 /* rxvt_process_csi_seq (this); */
881 }
882
883 ch = NOCHAR;
884 }
885 }
886 }
887 }
888 }
889
890 // read the next character, currently handles UTF-8
891 // will probably handle all sorts of other stuff in the future
892 uint32_t
893 rxvt_term::next_char ()
894 {
895 struct mbstate &s = mbstate;
896
897 while (cmdbuf_ptr < cmdbuf_endp)
898 {
899 uint8_t ch = *cmdbuf_ptr;
900
901 if (s.cnt)
902 {
903 if ((ch & 0xc0) == 0x80)
904 {
905 cmdbuf_ptr++;
906
907 /* continuation */
908 s.reg = (s.reg << 6) | (ch & 0x7f);
909
910 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
911 return s.reg;
912
913 continue;
914 }
915 else
916 {
917 s.cnt = 0;
918 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */
919 }
920 }
921
922 if ((ch & 0xc0) == 0xc0)
923 {
924 cmdbuf_ptr++;
925
926 /* first byte */
927 s.orig = ch; /* for broken encodings */
928 s.reg = ch;
929 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; }
930 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; }
931 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; }
932 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; }
933 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; }
934 }
935 else
936 {
937 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */
938 return ch;
939 }
940 }
941
942 return NOCHAR;
943 }
944
945 /* rxvt_cmd_getc() - Return next input character */
946 /*
947 * Return the next input character after first passing any keyboard input
948 * to the command.
949 */
950 /* INTPROTO */
951 uint32_t
952 rxvt_cmd_getc(pR)
953 {
954 for (;;)
955 {
956 uint32_t c = R->next_char ();
957 if (c != NOCHAR)
958 return c;
959
960 // incomplete sequences should occur rarely, still, a better solution
961 // would be preferred. either setjmp/longjmp or better design.
962 fcntl (R->cmd_fd, F_SETFL, 0);
963 R->pty_fill ();
964 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
965 }
966
967 #if 0
968 #define TIMEOUT_USEC 5000
969 fd_set readfds;
970 int quick_timeout, select_res;
971 int want_motion_time, want_keypress_time;
972 struct timeval value;
973 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
974 struct timeval tp;
975 #endif
976
977 for (;;) {
978 /* loop until we can return something */
979
980 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
981 R->tt_write(NULL, 0);
982
983 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
984 if (R->mouse_slip_wheel_speed) {
985 quick_timeout = 1;
986 if (!R->mouse_slip_wheel_delay--
987 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
988 abs(R->mouse_slip_wheel_speed))) {
989 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
990 R->refresh_type |= SMOOTH_REFRESH;
991 R->want_refresh = 1;
992 }
993 }
994 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
995 #ifdef SELECTION_SCROLLING
996 if (R->pending_scroll_selection) {
997 quick_timeout = 1;
998 if (!R->scroll_selection_delay--
999 && rxvt_scr_page(aR_ R->scroll_selection_dir,
1000 R->scroll_selection_lines)) {
1001 rxvt_selection_extend(aR_ R->selection_save_x,
1002 R->selection_save_y, R->selection_save_state);
1003 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
1004 R->refresh_type |= SMOOTH_REFRESH;
1005 R->want_refresh = 1;
1006 }
1007 }
1008 #endif
1009 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1010 if (scrollbar_isUp() || scrollbar_isDn()) {
1011 quick_timeout = 1;
1012 if (!R->scroll_arrow_delay--
1013 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
1014 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
1015 R->refresh_type |= SMOOTH_REFRESH;
1016 R->want_refresh = 1;
1017 }
1018 }
1019 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1020
1021 #ifdef TRANSPARENT
1022 quick_timeout |= R->want_full_refresh;
1023 #endif
1024 #endif
1025 }
1026
1027 void
1028 rxvt_term::pointer_unblank ()
1029 {
1030 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1031 rxvt_recolour_cursor (this);
1032
1033 #ifdef POINTER_BLANK
1034 hidden_pointer = 0;
1035
1036 if (Options & Opt_pointerBlank)
1037 pointer_ev.start (NOW + pointerBlankDelay);
1038 #endif
1039 }
1040
1041 #ifdef POINTER_BLANK
1042 void
1043 rxvt_term::pointer_blank ()
1044 {
1045 pointer_ev.stop ();
1046
1047 if (!(Options & Opt_pointerBlank))
1048 return;
1049
1050 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1051 XFlush (Xdisplay);
1052
1053 hidden_pointer = 1;
1054 }
1055
1056 void
1057 rxvt_term::pointer_cb (time_watcher &w)
1058 {
1059 SET_R (this);
1060
1061 pointer_blank ();
1062 }
1063 #endif
1064
1065 /* INTPROTO */
1066 void
1067 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1068 {
1069 int button_number, key_state = 0;
1070 int x, y;
1071
1072 x = ev->x;
1073 y = ev->y;
1074 rxvt_pixel_position(aR_ &x, &y);
1075
1076 if (R->MEvent.button == AnyButton) {
1077 button_number = 3;
1078 } else {
1079 button_number = R->MEvent.button - Button1;
1080 /* add 0x3D for wheel events, like xterm does */
1081 if (button_number >= 3)
1082 button_number += (64 - 3);
1083 }
1084
1085 if (R->PrivateModes & PrivMode_MouseX10) {
1086 /*
1087 * do not report ButtonRelease
1088 * no state info allowed
1089 */
1090 key_state = 0;
1091 if (button_number == 3)
1092 return;
1093 } else {
1094 /* XTerm mouse reporting needs these values:
1095 * 4 = Shift
1096 * 8 = Meta
1097 * 16 = Control
1098 * plus will add in our own Double-Click reporting
1099 * 32 = Double Click
1100 */
1101 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1102 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1103 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1104 #ifdef MOUSE_REPORT_DOUBLECLICK
1105 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1106 #endif
1107 }
1108
1109 #ifdef DEBUG_MOUSEREPORT
1110 fprintf(stderr, "Mouse [");
1111 if (key_state & 16)
1112 fputc('C', stderr);
1113 if (key_state & 4)
1114 fputc('S', stderr);
1115 if (key_state & 8)
1116 fputc('A', stderr);
1117 if (key_state & 32)
1118 fputc('2', stderr);
1119 fprintf(stderr, "]: <%d>, %d/%d\n",
1120 button_number,
1121 x + 1,
1122 y + 1);
1123 #else
1124 R->tt_printf("\033[M%c%c%c",
1125 (32 + button_number + key_state),
1126 (32 + x + 1),
1127 (32 + y + 1));
1128 #endif
1129 }
1130
1131 #ifdef USING_W11LIB
1132 /* EXTPROTO */
1133 void
1134 rxvt_W11_process_x_event(XEvent *ev)
1135 {
1136 rxvt_t *r = rxvt_get_r();
1137
1138 rxvt_process_x_event(aR_ ev);
1139 }
1140 #endif
1141
1142 /*{{{ process an X event */
1143 /* INTPROTO */
1144 void
1145 rxvt_process_x_event(pR_ XEvent *ev)
1146 {
1147 int i, want_timeout;
1148 Window unused_root, unused_child;
1149 int unused_root_x, unused_root_y;
1150 unsigned int unused_mask;
1151 struct timeval tp;
1152
1153 #ifdef DEBUG_X
1154 const char *const eventnames[] =
1155 { /* mason - this matches my system */
1156 "",
1157 "",
1158 "KeyPress",
1159 "KeyRelease",
1160 "ButtonPress",
1161 "ButtonRelease",
1162 "MotionNotify",
1163 "EnterNotify",
1164 "LeaveNotify",
1165 "FocusIn",
1166 "FocusOut",
1167 "KeymapNotify",
1168 "Expose",
1169 "GraphicsExpose",
1170 "NoExpose",
1171 "VisibilityNotify",
1172 "CreateNotify",
1173 "DestroyNotify",
1174 "UnmapNotify",
1175 "MapNotify",
1176 "MapRequest",
1177 "ReparentNotify",
1178 "ConfigureNotify",
1179 "ConfigureRequest",
1180 "GravityNotify",
1181 "ResizeRequest",
1182 "CirculateNotify",
1183 "CirculateRequest",
1184 "PropertyNotify",
1185 "SelectionClear",
1186 "SelectionRequest",
1187 "SelectionNotify",
1188 "ColormapNotify",
1189 "ClientMessage",
1190 "MappingNotify"
1191 };
1192 struct tm *ltt;
1193 #endif
1194
1195 /*
1196 * check if we need to get the time for any timeouts
1197 */
1198
1199 for (i = NUM_TIMEOUTS; i--; )
1200 if (R->timeout[i].tv_sec) {
1201 want_timeout = 1;
1202 break;
1203 }
1204
1205 #ifndef DEBUG_X
1206 if (want_timeout)
1207 #endif
1208 (void)gettimeofday(&tp, NULL);
1209
1210 #ifdef DEBUG_X
1211 ltt = localtime(&(tp.tv_sec));
1212 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));
1213 #endif
1214
1215 /* X event timeouts */
1216 if (want_timeout)
1217 for (i = NUM_TIMEOUTS; i--; ) {
1218 if (R->timeout[i].tv_sec == 0)
1219 continue;
1220 if ((tp.tv_sec < R->timeout[i].tv_sec)
1221 || (tp.tv_sec == R->timeout[i].tv_sec
1222 && tp.tv_usec < R->timeout[i].tv_usec))
1223 continue;
1224 R->timeout[i].tv_sec = 0;
1225 switch(i) {
1226 case TIMEOUT_INCR:
1227 rxvt_print_error("data loss: timeout on INCR selection paste");
1228 R->selection_wait = Sel_none;
1229 break;
1230 default:
1231 break;
1232 }
1233 }
1234
1235 switch (ev->type) {
1236 case KeyPress:
1237 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1238 break;
1239
1240 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1241 case KeyRelease:
1242 {
1243 if (!(ev->xkey.state & ControlMask))
1244 R->mouse_slip_wheel_speed = 0;
1245 else {
1246 KeySym ks;
1247
1248 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1249 if (ks == XK_Control_L || ks == XK_Control_R)
1250 R->mouse_slip_wheel_speed = 0;
1251 }
1252 break;
1253 }
1254 #endif
1255
1256 case ButtonPress:
1257 rxvt_button_press(aR_ (XButtonEvent *)ev);
1258 break;
1259
1260 case ButtonRelease:
1261 rxvt_button_release(aR_ (XButtonEvent *)ev);
1262 break;
1263
1264 case ClientMessage:
1265 if (ev->xclient.format == 32
1266 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1267 R->destroy ();
1268 #ifdef OFFIX_DND
1269 /* OffiX Dnd (drag 'n' drop) protocol */
1270 else if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1271 && (ev->xclient.data.l[0] == DndFile
1272 || ev->xclient.data.l[0] == DndDir
1273 || ev->xclient.data.l[0] == DndLink)) {
1274 /* Get Dnd data */
1275 Atom ActualType;
1276 int ActualFormat;
1277 unsigned char *data;
1278 unsigned long Size, RemainingBytes;
1279
1280 XGetWindowProperty(R->Xdisplay, Xroot,
1281 R->xa[XA_DNDSELECTION],
1282 0L, 1000000L,
1283 False, AnyPropertyType,
1284 &ActualType, &ActualFormat,
1285 &Size, &RemainingBytes,
1286 &data);
1287 XChangeProperty(R->Xdisplay, Xroot,
1288 XA_CUT_BUFFER0, XA_STRING,
1289 8, PropModeReplace,
1290 data, STRLEN(data));
1291 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1292 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1293 }
1294 #endif /* OFFIX_DND */
1295 break;
1296
1297 case MappingNotify:
1298 XRefreshKeyboardMapping(&(ev->xmapping));
1299 break;
1300
1301 /*
1302 * XXX: this is not the _current_ arrangement
1303 * Here's my conclusion:
1304 * If the window is completely unobscured, use bitblt's
1305 * to scroll. Even then, they're only used when doing partial
1306 * screen scrolling. When partially obscured, we have to fill
1307 * in the GraphicsExpose parts, which means that after each refresh,
1308 * we need to wait for the graphics expose or Noexpose events,
1309 * which ought to make things real slow!
1310 */
1311 case VisibilityNotify:
1312 switch (ev->xvisibility.state)
1313 {
1314 case VisibilityUnobscured:
1315 R->refresh_type = FAST_REFRESH;
1316 break;
1317 case VisibilityPartiallyObscured:
1318 R->refresh_type = SLOW_REFRESH;
1319 break;
1320 default:
1321 R->refresh_type = NO_REFRESH;
1322 break;
1323 }
1324 break;
1325
1326 case FocusIn:
1327 if (!R->TermWin.focus) {
1328 R->TermWin.focus = 1;
1329 R->want_refresh = 1;
1330 #ifdef USE_XIM
1331 if (R->Input_Context != NULL)
1332 XSetICFocus(R->Input_Context);
1333 #endif
1334 #ifdef CURSOR_BLINK
1335 if (R->Options & Opt_cursorBlink)
1336 R->blink_ev.start (NOW + BLINK_INTERVAL);
1337 #endif
1338 }
1339 break;
1340
1341 case FocusOut:
1342 if (R->TermWin.focus) {
1343 R->TermWin.focus = 0;
1344 R->want_refresh = 1;
1345 #ifdef USE_XIM
1346 if (R->Input_Context != NULL)
1347 XUnsetICFocus(R->Input_Context);
1348 #endif
1349 #ifdef CURSOR_BLINK
1350 if (R->Options & Opt_cursorBlink)
1351 R->blink_ev.stop ();
1352 R->hidden_cursor = 0;
1353 #endif
1354 }
1355 break;
1356
1357 case ConfigureNotify:
1358 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1359 int height, width;
1360
1361 do { /* Wrap lots of configures into one */
1362 width = ev->xconfigure.width;
1363 height = ev->xconfigure.height;
1364 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1365 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1366 ConfigureNotify, ev));
1367 if (R->szHint.width != width || R->szHint.height != height) {
1368 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1369 rxvt_resize_all_windows(aR_ (unsigned int)width,
1370 (unsigned int)height, 1);
1371 }
1372 #ifdef DEBUG_SIZE
1373 else {
1374 D_SIZE((stderr, "Size: Not resizing"));
1375 }
1376 #endif
1377 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1378 if (R->Options & Opt_transparent) {
1379 rxvt_check_our_parents(aR);
1380 if (R->am_transparent)
1381 R->want_full_refresh = 1;
1382 }
1383 #endif
1384 }
1385 break;
1386
1387 case SelectionClear:
1388 rxvt_selection_clear(aR);
1389 break;
1390
1391 case SelectionNotify:
1392 if (R->selection_wait == Sel_normal)
1393 rxvt_selection_paste(aR_ ev->xselection.requestor,
1394 ev->xselection.property, True);
1395 break;
1396
1397 case SelectionRequest:
1398 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1399 break;
1400
1401 case UnmapNotify:
1402 R->TermWin.mapped = 0;
1403 break;
1404
1405 case MapNotify:
1406 R->TermWin.mapped = 1;
1407 break;
1408
1409 case PropertyNotify:
1410 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1411 if (ev->xproperty.state == PropertyNewValue)
1412 rxvt_selection_property(aR_ ev->xproperty.window,
1413 ev->xproperty.atom);
1414 break;
1415 }
1416 #ifdef TRANSPARENT
1417 /*
1418 * if user used some Esetroot compatible prog to set the root bg,
1419 * use the property to determine the pixmap. We use it later on.
1420 */
1421 if (R->xa[XA_XROOTPMAPID] == 0)
1422 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1423 "_XROOTPMAP_ID", False);
1424 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1425 break;
1426 /* FALLTHROUGH */
1427 case ReparentNotify:
1428 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1429 if (R->am_transparent)
1430 R->want_full_refresh = 1;
1431 }
1432 #endif /* TRANSPARENT */
1433 break;
1434
1435 case GraphicsExpose:
1436 case Expose:
1437 if (ev->xany.window == R->TermWin.vt) {
1438 #ifdef NO_SLOW_LINK_SUPPORT
1439 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1440 ev->xexpose.width, ev->xexpose.height, False);
1441 #else
1442 // don't understand this, so commented it out
1443 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1444 ev->xexpose.width, ev->xexpose.height, False);
1445 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1446 // ev->xexpose.width, R->TermWin.height, False);
1447 #endif
1448 R->want_refresh = 1;
1449 } else {
1450 XEvent unused_xevent;
1451
1452 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1453 Expose,
1454 &unused_xevent)) ;
1455 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1456 GraphicsExpose,
1457 &unused_xevent)) ;
1458 if (isScrollbarWindow(ev->xany.window)) {
1459 scrollbar_setIdle();
1460 rxvt_scrollbar_show(aR_ 0);
1461 }
1462 #ifdef MENUBAR
1463 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1464 rxvt_menubar_expose(aR);
1465 #endif
1466 #ifdef RXVT_GRAPHICS
1467 rxvt_Gr_expose(aR_ ev->xany.window);
1468 #endif
1469 }
1470 break;
1471
1472 case MotionNotify:
1473 #ifdef POINTER_BLANK
1474 if (R->hidden_pointer)
1475 R->pointer_unblank ();
1476 #endif
1477 #if MENUBAR
1478 if (isMenuBarWindow(ev->xany.window)) {
1479 rxvt_menubar_control(aR_ &(ev->xbutton));
1480 break;
1481 }
1482 #endif
1483 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1484 break;
1485
1486 if (ev->xany.window == R->TermWin.vt) {
1487 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1488 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1489 MotionNotify, ev)) ;
1490 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1491 &unused_root, &unused_child,
1492 &unused_root_x, &unused_root_y,
1493 &(ev->xbutton.x), &(ev->xbutton.y),
1494 &unused_mask);
1495 #ifdef MOUSE_THRESHOLD
1496 /* deal with a `jumpy' mouse */
1497 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1498 #endif
1499 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1500 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1501 #ifdef SELECTION_SCROLLING
1502 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1503 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1504 int dist;
1505
1506 R->pending_scroll_selection=1;
1507
1508 /* don't clobber the current delay if we are
1509 * already in the middle of scrolling.
1510 */
1511 if (R->scroll_selection_delay<=0)
1512 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1513
1514 /* save the event params so we can highlight
1515 * the selection in the pending-scroll loop
1516 */
1517 R->selection_save_x=ev->xbutton.x;
1518 R->selection_save_y=ev->xbutton.y;
1519 R->selection_save_state=
1520 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1521
1522 /* calc number of lines to scroll */
1523 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1524 R->scroll_selection_dir = UP;
1525 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1526 }
1527 else {
1528 R->scroll_selection_dir = DN;
1529 dist = ev->xbutton.y -
1530 (R->TermWin.int_bwidth + R->TermWin.height);
1531 }
1532 R->scroll_selection_lines=(Pixel2Height(dist)/
1533 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1534 MIN_IT(R->scroll_selection_lines,
1535 SELECTION_SCROLL_MAX_LINES);
1536 }
1537 else {
1538 /* we are within the text window, so we
1539 * shouldn't be scrolling
1540 */
1541 R->pending_scroll_selection = 0;
1542 }
1543 #endif
1544 #ifdef MOUSE_THRESHOLD
1545 }
1546 #endif
1547 }
1548 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1549 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1550 MotionNotify, ev)) ;
1551 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1552 &unused_root, &unused_child,
1553 &unused_root_x, &unused_root_y,
1554 &(ev->xbutton.x), &(ev->xbutton.y),
1555 &unused_mask);
1556 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1557 scrollbar_size());
1558 rxvt_scr_refresh(aR_ R->refresh_type);
1559 R->refresh_limit = 0;
1560 rxvt_scrollbar_show(aR_ 1);
1561 }
1562 break;
1563 }
1564 }
1565
1566 /* INTPROTO */
1567 void
1568 rxvt_button_press(pR_ XButtonEvent *ev)
1569 {
1570 int reportmode = 0, clickintime;
1571
1572 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1573 if (!R->bypass_keystate)
1574 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1575 /*
1576 * VT window processing of button press
1577 */
1578 if (ev->window == R->TermWin.vt)
1579 {
1580 #if RXVT_GRAPHICS
1581 if (ev->subwindow != None)
1582 rxvt_Gr_ButtonPress(ev->x, ev->y);
1583 else
1584 #endif
1585 {
1586 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1587 if (reportmode)
1588 {
1589 /* mouse report from vt window */
1590 /* save the xbutton state (for ButtonRelease) */
1591 R->MEvent.state = ev->state;
1592 #ifdef MOUSE_REPORT_DOUBLECLICK
1593 if (ev->button == R->MEvent.button && clickintime)
1594 {
1595 /* same button, within alloted time */
1596 R->MEvent.clicks++;
1597 if (R->MEvent.clicks > 1)
1598 {
1599 /* only report double clicks */
1600 R->MEvent.clicks = 2;
1601 rxvt_mouse_report(aR_ ev);
1602
1603 /* don't report the release */
1604 R->MEvent.clicks = 0;
1605 R->MEvent.button = AnyButton;
1606 }
1607 }
1608 else
1609 {
1610 /* different button, or time expired */
1611 R->MEvent.clicks = 1;
1612 R->MEvent.button = ev->button;
1613 rxvt_mouse_report(aR_ ev);
1614 }
1615 #else
1616 R->MEvent.button = ev->button;
1617 rxvt_mouse_report(aR_ ev);
1618 #endif /* MOUSE_REPORT_DOUBLECLICK */
1619 }
1620 else
1621 {
1622 if (ev->button != R->MEvent.button)
1623 R->MEvent.clicks = 0;
1624 switch (ev->button)
1625 {
1626 case Button1:
1627 if (R->MEvent.button == Button1 && clickintime)
1628 R->MEvent.clicks++;
1629 else
1630 R->MEvent.clicks = 1;
1631 rxvt_selection_click(aR_ R->MEvent.clicks, ev->x, ev->y);
1632 R->MEvent.button = Button1;
1633 break;
1634
1635 case Button3:
1636 if (R->MEvent.button == Button3 && clickintime)
1637 rxvt_selection_rotate(aR_ ev->x, ev->y);
1638 else
1639 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1640 R->MEvent.button = Button3;
1641 break;
1642 }
1643 }
1644 R->MEvent.time = ev->time;
1645 return;
1646 }
1647 }
1648
1649 /*
1650 * Scrollbar window processing of button press
1651 */
1652 if (isScrollbarWindow(ev->window))
1653 {
1654 scrollbar_setIdle();
1655 /*
1656 * Rxvt-style scrollbar:
1657 * move up if mouse is above slider
1658 * move dn if mouse is below slider
1659 *
1660 * XTerm-style scrollbar:
1661 * Move display proportional to pointer location
1662 * pointer near top -> scroll one line
1663 * pointer near bot -> scroll full page
1664 */
1665 #ifndef NO_SCROLLBAR_REPORT
1666 if (reportmode) {
1667 /*
1668 * Mouse report disabled scrollbar:
1669 * arrow buttons - send up/down
1670 * click on scrollbar - send pageup/down
1671 */
1672 if ((R->scrollBar.style == R_SB_NEXT
1673 && scrollbarnext_upButton(ev->y))
1674 || (R->scrollBar.style == R_SB_RXVT
1675 && scrollbarrxvt_upButton(ev->y)))
1676 R->tt_printf("\033[A");
1677 else if ((R->scrollBar.style == R_SB_NEXT
1678 && scrollbarnext_dnButton(ev->y))
1679 || (R->scrollBar.style == R_SB_RXVT
1680 && scrollbarrxvt_dnButton(ev->y)))
1681 R->tt_printf("\033[B");
1682 else
1683 switch (ev->button) {
1684 case Button2:
1685 R->tt_printf("\014");
1686 break;
1687 case Button1:
1688 R->tt_printf("\033[6~");
1689 break;
1690 case Button3:
1691 R->tt_printf("\033[5~");
1692 break;
1693 }
1694 }
1695 else
1696 #endif /* NO_SCROLLBAR_REPORT */
1697 {
1698 char upordown = 0;
1699
1700 if (R->scrollBar.style == R_SB_NEXT) {
1701 if (scrollbarnext_upButton(ev->y))
1702 upordown = -1; /* up */
1703 else if (scrollbarnext_dnButton(ev->y))
1704 upordown = 1; /* down */
1705 } else if (R->scrollBar.style == R_SB_RXVT) {
1706 if (scrollbarrxvt_upButton(ev->y))
1707 upordown = -1; /* up */
1708 else if (scrollbarrxvt_dnButton(ev->y))
1709 upordown = 1; /* down */
1710 }
1711 if (upordown) {
1712 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1713 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1714 #endif
1715 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1716 if (upordown < 0)
1717 scrollbar_setUp();
1718 else
1719 scrollbar_setDn();
1720 }
1721 } else
1722 switch (ev->button) {
1723 case Button2:
1724 switch (R->scrollbar_align) {
1725 case R_SB_ALIGN_TOP:
1726 R->csrO = 0;
1727 break;
1728 case R_SB_ALIGN_CENTRE:
1729 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1730 break;
1731 case R_SB_ALIGN_BOTTOM:
1732 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1733 break;
1734 }
1735 if (R->scrollBar.style == R_SB_XTERM
1736 || scrollbar_above_slider(ev->y)
1737 || scrollbar_below_slider(ev->y))
1738 rxvt_scr_move_to(aR_
1739 scrollbar_position(ev->y) - R->csrO,
1740 scrollbar_size());
1741 scrollbar_setMotion();
1742 break;
1743
1744 case Button1:
1745 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1746 R->csrO = ev->y - R->scrollBar.top;
1747 /* FALLTHROUGH */
1748
1749 case Button3:
1750 if (R->scrollBar.style != R_SB_XTERM) {
1751 if (scrollbar_above_slider(ev->y))
1752 # ifdef RXVT_SCROLL_FULL
1753 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1754 # else
1755 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1756 # endif
1757 else if (scrollbar_below_slider(ev->y))
1758 # ifdef RXVT_SCROLL_FULL
1759 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1760 # else
1761 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1762 # endif
1763 else
1764 scrollbar_setMotion();
1765 } else {
1766 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1767 (R->TermWin.nrow
1768 * scrollbar_position(ev->y)
1769 / scrollbar_size()));
1770 }
1771 break;
1772 }
1773 }
1774 return;
1775 }
1776 #if MENUBAR
1777 /*
1778 * Menubar window processing of button press
1779 */
1780 if (isMenuBarWindow(ev->window))
1781 rxvt_menubar_control(aR_ ev);
1782 #endif
1783 }
1784
1785 /* INTPROTO */
1786 void
1787 rxvt_button_release(pR_ XButtonEvent *ev)
1788 {
1789 int reportmode = 0;
1790
1791 R->csrO = 0; /* reset csr Offset */
1792 if (!R->bypass_keystate)
1793 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1794
1795 if (scrollbar_isUpDn()) {
1796 scrollbar_setIdle();
1797 rxvt_scrollbar_show(aR_ 0);
1798 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1799 R->refresh_type &= ~SMOOTH_REFRESH;
1800 #endif
1801 }
1802 #ifdef SELECTION_SCROLLING
1803 R->pending_scroll_selection=0;
1804 #endif
1805 if (ev->window == R->TermWin.vt)
1806 {
1807 #ifdef RXVT_GRAPHICS
1808 if (ev->subwindow != None)
1809 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1810 else
1811 #endif
1812 {
1813 if (reportmode)
1814 {
1815 /* mouse report from vt window */
1816 /* don't report release of wheel "buttons" */
1817 if (ev->button >= 4)
1818 return;
1819 #ifdef MOUSE_REPORT_DOUBLECLICK
1820 /* only report the release of 'slow' single clicks */
1821 if (R->MEvent.button != AnyButton
1822 && (ev->button != R->MEvent.button
1823 || (ev->time - R->MEvent.time
1824 > MULTICLICK_TIME / 2)))
1825 {
1826 R->MEvent.clicks = 0;
1827 R->MEvent.button = AnyButton;
1828 rxvt_mouse_report(aR_ ev);
1829 }
1830 #else /* MOUSE_REPORT_DOUBLECLICK */
1831 R->MEvent.button = AnyButton;
1832 rxvt_mouse_report(aR_ ev);
1833 #endif /* MOUSE_REPORT_DOUBLECLICK */
1834 return;
1835 }
1836 /*
1837 * dumb hack to compensate for the failure of click-and-drag
1838 * when overriding mouse reporting
1839 */
1840 if (R->PrivateModes & PrivMode_mouse_report
1841 && R->bypass_keystate
1842 && ev->button == Button1 && R->MEvent.clicks <= 1)
1843 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1844
1845 switch (ev->button) {
1846 case Button1:
1847 case Button3:
1848 rxvt_selection_make(aR_ ev->time);
1849 break;
1850 case Button2:
1851 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1852 break;
1853 #ifdef MOUSE_WHEEL
1854 case Button4:
1855 case Button5:
1856 {
1857 int i, v;
1858
1859 v = (ev->button == Button4) ? UP : DN;
1860 if (ev->state & ShiftMask)
1861 i = 1;
1862 else if ((R->Options & Opt_mouseWheelScrollPage))
1863 i = R->TermWin.nrow - 1;
1864 else
1865 i = 5;
1866 # ifdef MOUSE_SLIP_WHEELING
1867 if (ev->state & ControlMask)
1868 {
1869 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1870 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1871 }
1872 # endif
1873 # ifdef JUMP_MOUSE_WHEEL
1874 rxvt_scr_page(aR_ v, i);
1875 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1876 rxvt_scrollbar_show(aR_ 1);
1877 # else
1878 for (; i--;)
1879 {
1880 rxvt_scr_page(aR_ v, 1);
1881 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1882 rxvt_scrollbar_show(aR_ 1);
1883 }
1884 # endif
1885 }
1886 break;
1887 #endif
1888 }
1889 }
1890 }
1891 #ifdef MENUBAR
1892 else if (isMenuBarWindow(ev->window))
1893 rxvt_menubar_control(aR_ ev);
1894 #endif
1895 }
1896
1897
1898 #ifdef TRANSPARENT
1899 /*
1900 * Check our parents are still who we think they are.
1901 * Do transparency updates if required
1902 */
1903 /* EXTPROTO */
1904 int
1905 rxvt_check_our_parents(pR)
1906 {
1907 int i, pchanged, aformat, have_pixmap, rootdepth;
1908 unsigned long nitems, bytes_after;
1909 Atom atype;
1910 unsigned char *prop = NULL;
1911 Window root, oldp, *list;
1912 Pixmap rootpixmap = None;
1913 XWindowAttributes wattr, wrootattr;
1914
1915 pchanged = 0;
1916
1917 if (!(R->Options & Opt_transparent))
1918 return pchanged; /* Don't try any more */
1919
1920 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1921 rootdepth = wrootattr.depth;
1922
1923 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1924 if (rootdepth != wattr.depth) {
1925 if (R->am_transparent) {
1926 pchanged = 1;
1927 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1928 R->PixColors[Color_bg]);
1929 R->am_transparent = R->am_pixmap_trans = 0;
1930 }
1931 return pchanged; /* Don't try any more */
1932 }
1933
1934 /* Get all X ops out of the queue so that our information is up-to-date. */
1935 XSync(R->Xdisplay, False);
1936
1937 /*
1938 * Make the frame window set by the window manager have
1939 * the root background. Some window managers put multiple nested frame
1940 * windows for each client, so we have to take care about that.
1941 */
1942 i = (R->xa[XA_XROOTPMAPID] != 0
1943 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1944 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1945 &nitems, &bytes_after, &prop) == Success));
1946 if (!i || prop == NULL)
1947 have_pixmap = 0;
1948 else {
1949 have_pixmap = 1;
1950 rootpixmap = *((Pixmap *)prop);
1951 XFree(prop);
1952 }
1953 if (have_pixmap) {
1954 /*
1955 * Copy Xroot pixmap transparency
1956 */
1957 int sx, sy, nx, ny;
1958 unsigned int nw, nh;
1959 Window cr;
1960 XImage *image;
1961 GC gc;
1962 XGCValues gcvalue;
1963
1964 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1965 0, 0, &sx, &sy, &cr);
1966 nw = (unsigned int)R->szHint.width;
1967 nh = (unsigned int)R->szHint.height;
1968 nx = ny = 0;
1969 if (sx < 0) {
1970 nw += sx;
1971 nx = -sx;
1972 sx = 0;
1973 }
1974 if (sy < 0) {
1975 nh += sy;
1976 ny = -sy;
1977 sy = 0;
1978 }
1979 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1980 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1981 R->allowedxerror = -1;
1982 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1983 ZPixmap);
1984 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1985 /* XXX: may need a delay here? */
1986 R->allowedxerror = 0;
1987 if (image == NULL) {
1988 if (R->am_transparent && R->am_pixmap_trans) {
1989 pchanged = 1;
1990 if (R->TermWin.pixmap != None) {
1991 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1992 R->TermWin.pixmap = None;
1993 }
1994 }
1995 R->am_pixmap_trans = 0;
1996 } else {
1997 if (R->TermWin.pixmap != None)
1998 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1999 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
2000 (unsigned int)R->szHint.width,
2001 (unsigned int)R->szHint.height,
2002 (unsigned int)image->depth);
2003 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
2004 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
2005 nx, ny, (unsigned int)image->width,
2006 (unsigned int)image->height);
2007 XFreeGC(R->Xdisplay, gc);
2008 XDestroyImage(image);
2009 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2010 R->TermWin.pixmap);
2011 if (!R->am_transparent || !R->am_pixmap_trans)
2012 pchanged = 1;
2013 R->am_transparent = R->am_pixmap_trans = 1;
2014 }
2015 }
2016 if (!R->am_pixmap_trans) {
2017 unsigned int n;
2018 /*
2019 * InheritPixmap transparency
2020 */
2021 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
2022 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
2023 i++) {
2024 oldp = R->TermWin.parent[i];
2025 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2026 &R->TermWin.parent[i], &list, &n);
2027 XFree(list);
2028 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2029 if (R->TermWin.parent[i] == Xroot) {
2030 if (oldp != None)
2031 pchanged = 1;
2032 break;
2033 }
2034 if (oldp != R->TermWin.parent[i])
2035 pchanged = 1;
2036 }
2037 n = 0;
2038 if (pchanged) {
2039 for (; n < (unsigned int)i; n++) {
2040 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2041 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2042 if (wattr.depth != rootdepth || wattr.class == InputOnly) {
2043 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2044 break;
2045 }
2046 }
2047 }
2048 if (n > (int)(sizeof(R->TermWin.parent)
2049 / sizeof(R->TermWin.parent[0]))) {
2050 D_X((stderr, "InheritPixmap Turning off"));
2051 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2052 R->PixColors[Color_fg]);
2053 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2054 R->PixColors[Color_bg]);
2055 R->am_transparent = 0;
2056 /* XXX: also turn off Opt_transparent? */
2057 } else {
2058 /* wait (an arbitrary period) for the WM to do its thing
2059 * needed for fvwm2.2.2 (and before?) */
2060 # ifdef HAVE_NANOSLEEP
2061 struct timespec rqt;
2062
2063 rqt.tv_sec = 1;
2064 rqt.tv_nsec = 0;
2065 nanosleep(&rqt, NULL);
2066 # else
2067 sleep(1);
2068 # endif
2069 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2070 for (n = 0; n < (unsigned int)i; n++)
2071 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2072 ParentRelative);
2073 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2074 ParentRelative);
2075 R->am_transparent = 1;
2076 }
2077 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2078 R->TermWin.parent[i] = None;
2079 }
2080 return pchanged;
2081 }
2082 #endif
2083
2084 /*}}} */
2085
2086 /*{{{ print pipe */
2087 /*----------------------------------------------------------------------*/
2088 #ifdef PRINTPIPE
2089 /* EXTPROTO */
2090 FILE *
2091 rxvt_popen_printer(pR)
2092 {
2093 FILE *stream = popen(R->rs[Rs_print_pipe], "w");
2094
2095 if (stream == NULL)
2096 rxvt_print_error("can't open printer pipe");
2097 return stream;
2098 }
2099
2100 /* EXTPROTO */
2101 int
2102 rxvt_pclose_printer (FILE *stream)
2103 {
2104 fflush (stream);
2105 /* pclose() reported not to work on SunOS 4.1.3 */
2106 # if defined (__sun__) /* TODO: RESOLVE THIS */
2107 /* pclose works provided SIGCHLD handler uses waitpid */
2108 return pclose (stream); /* return fclose (stream); */
2109 # else
2110 return pclose (stream);
2111 # endif
2112 }
2113
2114 /*
2115 * simulate attached vt100 printer
2116 */
2117 /* INTPROTO */
2118 void
2119 rxvt_process_print_pipe(pR)
2120 {
2121 int done;
2122 FILE *fd;
2123
2124 if ((fd = rxvt_popen_printer(aR)) == NULL)
2125 return;
2126
2127 /*
2128 * Send all input to the printer until either ESC[4i or ESC[?4i
2129 * is received.
2130 */
2131 for (done = 0; !done;) {
2132 unsigned char buf[8];
2133 unsigned char ch;
2134 unsigned int i, len;
2135
2136 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2137 if (putc(ch, fd) == EOF)
2138 break; /* done = 1 */
2139 } else {
2140 len = 0;
2141 buf[len++] = ch;
2142
2143 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2144 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2145 buf[len++] = '?';
2146 ch = rxvt_cmd_getc(aR);
2147 }
2148 if ((buf[len++] = ch) == '4') {
2149 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2150 break; /* done = 1 */
2151 }
2152 }
2153 for (i = 0; i < len; i++)
2154 if (putc(buf[i], fd) == EOF) {
2155 done = 1;
2156 break;
2157 }
2158 }
2159 }
2160 rxvt_pclose_printer(fd);
2161 }
2162 #endif /* PRINTPIPE */
2163 /*}}} */
2164
2165 /* *INDENT-OFF* */
2166 enum {
2167 C1_40 = 0x40,
2168 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2169 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2170 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2171 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2172 };
2173 /* *INDENT-ON* */
2174
2175 /*{{{ process non-printing single characters */
2176 /* INTPROTO */
2177 void
2178 rxvt_process_nonprinting(pR_ unsigned char ch)
2179 {
2180 switch (ch) {
2181 case C0_ENQ: /* terminal Status */
2182 if (R->rs[Rs_answerbackstring])
2183 R->tt_write(
2184 (const unsigned char *)R->rs[Rs_answerbackstring],
2185 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2186 else
2187 R->tt_write((unsigned char *)VT100_ANS,
2188 (unsigned int)STRLEN(VT100_ANS));
2189 break;
2190 case C0_BEL: /* bell */
2191 rxvt_scr_bell(aR);
2192 break;
2193 case C0_BS: /* backspace */
2194 rxvt_scr_backspace(aR);
2195 break;
2196 case C0_HT: /* tab */
2197 rxvt_scr_tab(aR_ 1);
2198 break;
2199 case C0_CR: /* carriage return */
2200 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2201 break;
2202 case C0_VT: /* vertical tab, form feed */
2203 case C0_FF:
2204 case C0_LF: /* line feed */
2205 rxvt_scr_index(aR_ UP);
2206 break;
2207 case C0_SO: /* shift out - acs */
2208 rxvt_scr_charset_choose(aR_ 1);
2209 break;
2210 case C0_SI: /* shift in - acs */
2211 rxvt_scr_charset_choose(aR_ 0);
2212 break;
2213 }
2214 }
2215 /*}}} */
2216
2217
2218 /*{{{ process VT52 escape sequences */
2219 /* INTPROTO */
2220 void
2221 rxvt_process_escape_vt52(pR_ unsigned char ch)
2222 {
2223 int row, col;
2224
2225 switch (ch) {
2226 case 'A': /* cursor up */
2227 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2228 break;
2229 case 'B': /* cursor down */
2230 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2231 break;
2232 case 'C': /* cursor right */
2233 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2234 break;
2235 case 'D': /* cursor left */
2236 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2237 break;
2238 case 'H': /* cursor home */
2239 rxvt_scr_gotorc(aR_ 0, 0, 0);
2240 break;
2241 case 'I': /* cursor up and scroll down if needed */
2242 rxvt_scr_index(aR_ DN);
2243 break;
2244 case 'J': /* erase to end of screen */
2245 rxvt_scr_erase_screen(aR_ 0);
2246 break;
2247 case 'K': /* erase to end of line */
2248 rxvt_scr_erase_line(aR_ 0);
2249 break;
2250 case 'Y': /* move to specified row and col */
2251 /* full command is 'ESC Y row col' where row and col
2252 * are encoded by adding 32 and sending the ascii
2253 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2254 * etc. */
2255 row = rxvt_cmd_getc(aR) - ' ';
2256 col = rxvt_cmd_getc(aR) - ' ';
2257 rxvt_scr_gotorc(aR_ row, col, 0);
2258 break;
2259 case 'Z': /* identify the terminal type */
2260 R->tt_printf("\033/Z"); /* I am a VT100 emulating a VT52 */
2261 break;
2262 case '<': /* turn off VT52 mode */
2263 PrivMode(0, PrivMode_vt52);
2264 break;
2265 case 'F': /* use special graphics character set */
2266 case 'G': /* use regular character set */
2267 /* unimplemented */
2268 break;
2269 case '=': /* use alternate keypad mode */
2270 case '>': /* use regular keypad mode */
2271 /* unimplemented */
2272 break;
2273 }
2274 }
2275 /*}}} */
2276
2277
2278 /*{{{ process escape sequences */
2279 /* INTPROTO */
2280 void
2281 rxvt_process_escape_seq(pR)
2282 {
2283 unsigned char ch = rxvt_cmd_getc(aR);
2284
2285 if (R->PrivateModes & PrivMode_vt52) {
2286 rxvt_process_escape_vt52(aR_ ch);
2287 return;
2288 }
2289
2290 switch (ch) {
2291 /* case 1: do_tek_mode (); break; */
2292 case '#':
2293 if (rxvt_cmd_getc(aR) == '8')
2294 rxvt_scr_E(aR);
2295 break;
2296 case '(':
2297 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2298 break;
2299 case ')':
2300 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2301 break;
2302 case '*':
2303 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2304 break;
2305 case '+':
2306 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2307 break;
2308 #ifdef MULTICHAR_SET
2309 case '$':
2310 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2311 break;
2312 #endif
2313 #ifndef NO_FRILLS
2314 case '6':
2315 rxvt_scr_backindex(aR);
2316 break;
2317 #endif
2318 case '7':
2319 rxvt_scr_cursor(aR_ SAVE);
2320 break;
2321 case '8':
2322 rxvt_scr_cursor(aR_ RESTORE);
2323 break;
2324 #ifndef NO_FRILLS
2325 case '9':
2326 rxvt_scr_forwardindex(aR);
2327 break;
2328 #endif
2329 case '=':
2330 case '>':
2331 PrivMode((ch == '='), PrivMode_aplKP);
2332 break;
2333
2334 case C1_40:
2335 rxvt_cmd_getc(aR);
2336 break;
2337 case C1_44:
2338 rxvt_scr_index(aR_ UP);
2339 break;
2340
2341 /* 8.3.87: NEXT LINE */
2342 case C1_NEL: /* ESC E */
2343 {
2344 uint32_t nlcr[] = { '\n', '\r' };
2345 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2346 }
2347 break;
2348
2349 /* kidnapped escape sequence: Should be 8.3.48 */
2350 case C1_ESA: /* ESC G */
2351 rxvt_process_graphics(aR);
2352 break;
2353
2354 /* 8.3.63: CHARACTER TABULATION SET */
2355 case C1_HTS: /* ESC H */
2356 rxvt_scr_set_tab(aR_ 1);
2357 break;
2358
2359 /* 8.3.105: REVERSE LINE FEED */
2360 case C1_RI: /* ESC M */
2361 rxvt_scr_index(aR_ DN);
2362 break;
2363
2364 /* 8.3.142: SINGLE-SHIFT TWO */
2365 /*case C1_SS2: scr_single_shift (2); break; */
2366
2367 /* 8.3.143: SINGLE-SHIFT THREE */
2368 /*case C1_SS3: scr_single_shift (3); break; */
2369
2370 /* 8.3.27: DEVICE CONTROL STRING */
2371 case C1_DCS: /* ESC P */
2372 rxvt_process_dcs_seq(aR);
2373 break;
2374
2375 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2376 case C1_SCI: /* ESC Z */
2377 R->tt_write((const unsigned char *)ESCZ_ANSWER,
2378 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2379 break; /* steal obsolete ESC [ c */
2380
2381 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2382 case C1_CSI: /* ESC [ */
2383 rxvt_process_csi_seq(aR);
2384 break;
2385
2386 /* 8.3.90: OPERATING SYSTEM COMMAND */
2387 case C1_OSC: /* ESC ] */
2388 rxvt_process_osc_seq(aR);
2389 break;
2390
2391 /* 8.3.106: RESET TO INITIAL STATE */
2392 case 'c':
2393 rxvt_scr_poweron(aR);
2394 rxvt_scrollbar_show(aR_ 1);
2395 break;
2396
2397 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2398 case 'n':
2399 rxvt_scr_charset_choose(aR_ 2);
2400 break;
2401
2402 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2403 case 'o':
2404 rxvt_scr_charset_choose(aR_ 3);
2405 break;
2406 }
2407 }
2408 /*}}} */
2409
2410 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2411 /* *INDENT-OFF* */
2412 enum {
2413 CSI_ICH = 0x40,
2414 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2415 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2416 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2417 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2418 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2419 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2420 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2421 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2422 };
2423
2424 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2425 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2426 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2427 #define get_byte_array_bit(array, bit) \
2428 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2429
2430 const unsigned char csi_defaults[] = {
2431 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2432 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2433 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2434 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2435 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2436 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2437 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2438 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2439 };
2440 /* *INDENT-ON* */
2441
2442 /* INTPROTO */
2443 void
2444 rxvt_process_csi_seq(pR)
2445 {
2446 unsigned char ch, priv, i;
2447 unsigned int nargs, p;
2448 int n, ndef;
2449 int arg[ESC_ARGS];
2450
2451 for (nargs = ESC_ARGS; nargs > 0;)
2452 arg[--nargs] = 0;
2453
2454 priv = 0;
2455 ch = rxvt_cmd_getc(aR);
2456 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2457 priv = ch;
2458 ch = rxvt_cmd_getc(aR);
2459 }
2460 /* read any numerical arguments */
2461 for (n = -1; ch < CSI_ICH; ) {
2462 if (isdigit(ch)) {
2463 if (n < 0)
2464 n = ch - '0';
2465 else
2466 n = n * 10 + ch - '0';
2467 } else if (ch == ';') {
2468 if (nargs < ESC_ARGS)
2469 arg[nargs++] = n;
2470 n = -1;
2471 } else if (ch == '\b') {
2472 rxvt_scr_backspace(aR);
2473 } else if (ch == C0_ESC) {
2474 rxvt_process_escape_seq(aR);
2475 return;
2476 } else if (ch < ' ') {
2477 rxvt_process_nonprinting(aR_ ch);
2478 }
2479 ch = rxvt_cmd_getc(aR);
2480 }
2481
2482 if (ch > CSI_7F)
2483 return;
2484
2485 if (nargs < ESC_ARGS)
2486 arg[nargs++] = n;
2487
2488 i = ch - CSI_ICH;
2489 ndef = get_byte_array_bit(csi_defaults, i);
2490 for (p = 0; p < nargs; p++)
2491 if (arg[p] == -1)
2492 arg[p] = ndef;
2493
2494 #ifdef DEBUG_CMD
2495 fprintf(stderr, "CSI ");
2496 for (p = 0; p < nargs; p++)
2497 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2498 fprintf(stderr, "%c\n", ch);
2499 #endif
2500
2501 /*
2502 * private mode handling
2503 */
2504 if (priv) {
2505 switch (priv) {
2506 case '>':
2507 if (ch == CSI_DA) /* secondary device attributes */
2508 R->tt_printf("\033[>%d;%-.8s;0c", 'R', VSTRING);
2509 break;
2510 case '?':
2511 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2512 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2513 break;
2514 }
2515 return;
2516 }
2517
2518 switch (ch) {
2519 /*
2520 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2521 */
2522 #ifdef PRINTPIPE
2523 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2524 switch (arg[0]) {
2525 case 0: /* initiate transfer to primary aux device */
2526 rxvt_scr_printscreen(aR_ 0);
2527 break;
2528 case 5: /* start relay to primary aux device */
2529 rxvt_process_print_pipe(aR);
2530 break;
2531 }
2532 break;
2533 #endif
2534
2535 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2536 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2537 arg[0] = -arg[0];
2538 /* FALLTHROUGH */
2539 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2540 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2541 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2542 break;
2543
2544 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2545 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2546 #ifdef ISO6429
2547 arg[0] = -arg[0];
2548 #else /* emulate common DEC VTs */
2549 arg[0] = arg[0] ? -arg[0] : -1;
2550 #endif
2551 /* FALLTHROUGH */
2552 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2553 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2554 #ifdef ISO6429
2555 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2556 #else /* emulate common DEC VTs */
2557 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2558 #endif
2559 break;
2560
2561 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2562 arg[0] = -arg[0];
2563 /* FALLTHROUGH */
2564 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2565 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2566 break;
2567
2568 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2569 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2570 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2571 break;
2572
2573 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2574 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2575 break;
2576
2577 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2578 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2579 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2580 break;
2581
2582 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2583 arg[0] = -arg[0];
2584 /* FALLTHROUGH */
2585 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2586 rxvt_scr_tab(aR_ arg[0]);
2587 break;
2588
2589 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2590 rxvt_scr_erase_screen(aR_ arg[0]);
2591 break;
2592
2593 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2594 rxvt_scr_erase_line(aR_ arg[0]);
2595 break;
2596
2597 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2598 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2599 break;
2600
2601 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2602 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2603 break;
2604
2605 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2606 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2607 break;
2608
2609 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2610 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2611 break;
2612
2613 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2614 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2615 break;
2616
2617 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2618 arg[0] = -arg[0];
2619 /* FALLTHROUGH */
2620 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2621 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2622 break;
2623
2624 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2625 R->tt_write((const unsigned char *)VT100_ANS,
2626 (unsigned int)(sizeof(VT100_ANS) - 1));
2627 break;
2628
2629 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2630 rxvt_process_sgr_mode(aR_ nargs, arg);
2631 break;
2632
2633 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2634 switch (arg[0]) {
2635 case 5: /* DSR requested */
2636 R->tt_printf("\033[0n");
2637 break;
2638 case 6: /* CPR requested */
2639 rxvt_scr_report_position(aR);
2640 break;
2641 #if defined (ENABLE_DISPLAY_ANSWER)
2642 case 7: /* unofficial extension */
2643 R->tt_printf("%-.250s\n", R->rs[Rs_display_name]);
2644 break;
2645 #endif
2646 case 8: /* unofficial extension */
2647 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2648 break;
2649 }
2650 break;
2651
2652 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2653 switch (arg[0]) {
2654 case 0: /* char tab stop cleared at active position */
2655 rxvt_scr_set_tab(aR_ 0);
2656 break;
2657 /* case 1: */ /* line tab stop cleared in active line */
2658 /* case 2: */ /* char tab stops cleared in active line */
2659 case 3: /* all char tab stops are cleared */
2660 /* case 4: */ /* all line tab stops are cleared */
2661 case 5: /* all tab stops are cleared */
2662 rxvt_scr_set_tab(aR_ -1);
2663 break;
2664 }
2665 break;
2666
2667 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2668 switch (arg[0]) {
2669 case 0: /* char tab stop set at active position */
2670 rxvt_scr_set_tab(aR_ 1);
2671 break; /* = ESC H */
2672 /* case 1: */ /* line tab stop set at active line */
2673 case 2: /* char tab stop cleared at active position */
2674 rxvt_scr_set_tab(aR_ 0);
2675 break; /* = ESC [ 0 g */
2676 /* case 3: */ /* line tab stop cleared at active line */
2677 /* case 4: */ /* char tab stops cleared at active line */
2678 case 5: /* all char tab stops are cleared */
2679 rxvt_scr_set_tab(aR_ -1);
2680 break; /* = ESC [ 3 g */
2681 /* case 6: */ /* all line tab stops are cleared */
2682 }
2683 break;
2684
2685 case CSI_RM: /* 8.3.107: RESET MODE */
2686 if (arg[0] == 4)
2687 rxvt_scr_insert_mode(aR_ 0);
2688 break;
2689
2690 case CSI_SM: /* 8.3.126: SET MODE */
2691 if (arg[0] == 4)
2692 rxvt_scr_insert_mode(aR_ 1);
2693 break;
2694
2695 /*
2696 * PRIVATE USE beyond this point. All CSI_7? sequences here
2697 */
2698 case CSI_72: /* DECSTBM: set top and bottom margins */
2699 if (nargs == 1)
2700 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2701 else if (nargs == 0 || arg[0] >= arg[1])
2702 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2703 else
2704 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2705 break;
2706
2707 case CSI_73:
2708 rxvt_scr_cursor(aR_ SAVE);
2709 break;
2710 case CSI_75:
2711 rxvt_scr_cursor(aR_ RESTORE);
2712 break;
2713
2714 #ifndef NO_FRILLS
2715 case CSI_74:
2716 rxvt_process_window_ops(aR_ arg, nargs);
2717 break;
2718 #endif
2719
2720 case CSI_78: /* DECREQTPARM */
2721 if (arg[0] == 0 || arg[0] == 1)
2722 R->tt_printf("\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2723 /* FALLTHROUGH */
2724
2725 default:
2726 break;
2727 }
2728 }
2729 /*}}} */
2730
2731 #ifndef NO_FRILLS
2732 /* ARGSUSED */
2733 /* INTPROTO */
2734 void
2735 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2736 {
2737 int x, y;
2738 #if 0
2739 char *s;
2740 #endif
2741 XWindowAttributes wattr;
2742 Window wdummy;
2743
2744 if (nargs == 0)
2745 return;
2746 switch (args[0]) {
2747 /*
2748 * commands
2749 */
2750 case 1: /* deiconify window */
2751 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2752 break;
2753 case 2: /* iconify window */
2754 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2755 DefaultScreen(R->Xdisplay));
2756 break;
2757 case 3: /* set position (pixels) */
2758 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2759 break;
2760 case 4: /* set size (pixels) */
2761 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2762 break;
2763 case 5: /* raise window */
2764 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2765 break;
2766 case 6: /* lower window */
2767 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2768 break;
2769 case 7: /* refresh window */
2770 rxvt_scr_touch(aR_ True);
2771 break;
2772 case 8: /* set size (chars) */
2773 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2774 (unsigned int)(args[1] * R->TermWin.fheight));
2775 break;
2776 default:
2777 if (args[0] >= 24) /* set height (chars) */
2778 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2779 (unsigned int)(args[1] * R->TermWin.fheight));
2780 break;
2781 /*
2782 * reports - some output format copied from XTerm
2783 */
2784 case 11: /* report window state */
2785 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2786 R->tt_printf("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2787 break;
2788 case 13: /* report window position */
2789 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2790 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2791 -wattr.border_width, -wattr.border_width,
2792 &x, &y, &wdummy);
2793 R->tt_printf("\033[3;%d;%dt", x, y);
2794 break;
2795 case 14: /* report window size (pixels) */
2796 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2797 R->tt_printf("\033[4;%d;%dt", wattr.height, wattr.width);
2798 break;
2799 case 18: /* report window size (chars) */
2800 R->tt_printf("\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2801 break;
2802 #if 0 /* XXX: currently disabled due to security concerns */
2803 case 20: /* report icon label */
2804 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2805 R->tt_printf("\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2806 break;
2807 case 21: /* report window title */
2808 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2809 R->tt_printf("\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2810 break;
2811 #endif
2812 }
2813 }
2814 #endif
2815
2816 /*----------------------------------------------------------------------*/
2817 /*
2818 * get input up until STRING TERMINATOR (or BEL)
2819 * ends_how is terminator used. returned input must be free()d
2820 */
2821 /* INTPROTO */
2822 unsigned char *
2823 rxvt_get_to_st(pR_ unsigned char *ends_how)
2824 {
2825 int seen_esc = 0; /* seen escape? */
2826 unsigned int n = 0;
2827 unsigned char *s;
2828 unsigned char ch, string[STRING_MAX];
2829
2830 for (; (ch = rxvt_cmd_getc(aR));) {
2831 if (ch == C0_BEL
2832 || ch == CHAR_ST
2833 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2834 break;
2835 if (ch == C0_ESC) {
2836 seen_esc = 1;
2837 continue;
2838 } else if (ch == '\t')
2839 ch = ' '; /* translate '\t' to space */
2840 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2841 return NULL; /* other control character - exit */
2842 if (n < sizeof(string) - 1)
2843 string[n++] = ch;
2844 seen_esc = 0;
2845 }
2846 string[n++] = '\0';
2847 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2848 return NULL;
2849 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2850 STRNCPY(s, string, n);
2851 return s;
2852 }
2853
2854 /*----------------------------------------------------------------------*/
2855 /*
2856 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2857 */
2858 /* INTPROTO */
2859 void
2860 rxvt_process_dcs_seq(pR)
2861 {
2862 unsigned char eh, *s;
2863 /*
2864 * Not handled yet
2865 */
2866 s = rxvt_get_to_st(aR_ &eh);
2867 if (s)
2868 free(s);
2869 return;
2870 }
2871
2872 /*----------------------------------------------------------------------*/
2873 /*
2874 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2875 */
2876 /* INTPROTO */
2877 void
2878 rxvt_process_osc_seq(pR)
2879 {
2880 unsigned char ch, eh, *s;
2881 int arg;
2882
2883 ch = rxvt_cmd_getc(aR);
2884 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2885 arg = arg * 10 + (ch - '0');
2886
2887 if (ch == ';') {
2888 s = rxvt_get_to_st(aR_ &eh);
2889 if (s) {
2890 /*
2891 * rxvt_menubar_dispatch() violates the constness of the string,
2892 * so do it here
2893 */
2894 if (arg == XTerm_Menu)
2895 #if 0 /* XXX: currently disabled due to security concerns */
2896 rxvt_menubar_dispatch(aR_ (char *)s);
2897 #else
2898 0;
2899 #endif
2900 else
2901 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2902 free(s);
2903 }
2904 }
2905 }
2906 /*
2907 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2908 * 0 = change iconName/title
2909 * 1 = change iconName
2910 * 2 = change title
2911 * 4 = change color
2912 * 12 = change text color
2913 * 13 = change mouse foreground color
2914 * 17 = change highlight character colour
2915 * 18 = change bold character color
2916 * 19 = change underlined character color
2917 * 46 = change logfile (not implemented)
2918 * 50 = change font
2919 *
2920 * rxvt extensions:
2921 * 10 = menu (may change in future)
2922 * 20 = bg pixmap
2923 * 39 = change default fg color
2924 * 49 = change default bg color
2925 * 55 = dump scrollback buffer and all of screen
2926 */
2927 /* EXTPROTO */
2928 void
2929 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2930 {
2931 int changed = 0;
2932 int color;
2933 char *buf, *name;
2934
2935 assert(str != NULL);
2936 switch (op) {
2937 case XTerm_name:
2938 rxvt_set_title(aR_ str);
2939 /* FALLTHROUGH */
2940 case XTerm_iconName:
2941 rxvt_set_iconName(aR_ str);
2942 break;
2943 case XTerm_title:
2944 rxvt_set_title(aR_ str);
2945 break;
2946 case XTerm_Color:
2947 for (buf = (char *)str; buf && *buf;) {
2948 if ((name = STRCHR(buf, ';')) == NULL)
2949 break;
2950 *name++ = '\0';
2951 color = atoi(buf);
2952 if (color < 0 || color >= TOTAL_COLORS)
2953 break;
2954 if ((buf = STRCHR(name, ';')) != NULL)
2955 *buf++ = '\0';
2956 rxvt_set_window_color(aR_ color + minCOLOR, name);
2957 }
2958 break;
2959 #ifndef NO_CURSORCOLOR
2960 case XTerm_Color_cursor:
2961 rxvt_set_window_color(aR_ Color_cursor, str);
2962 break;
2963 #endif
2964 case XTerm_Color_pointer:
2965 rxvt_set_window_color(aR_ Color_pointer, str);
2966 break;
2967 #ifndef NO_BOLD_UNDERLINE_REVERSE
2968 case XTerm_Color_BD:
2969 rxvt_set_window_color(aR_ Color_BD, str);
2970 break;
2971 case XTerm_Color_UL:
2972 rxvt_set_window_color(aR_ Color_UL, str);
2973 break;
2974 case XTerm_Color_RV:
2975 rxvt_set_window_color(aR_ Color_RV, str);
2976 break;
2977 #endif
2978
2979 case XTerm_Menu:
2980 /*
2981 * rxvt_menubar_dispatch() violates the constness of the string,
2982 * so DON'T do it here
2983 */
2984 break;
2985 case XTerm_Pixmap:
2986 if (*str != ';') {
2987 #if XPM_BACKGROUND
2988 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2989 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2990 #endif
2991 rxvt_scr_touch(aR_ True);
2992 }
2993 while ((str = STRCHR(str, ';')) != NULL) {
2994 str++;
2995 #if XPM_BACKGROUND
2996 changed += rxvt_scale_pixmap(aR_ str);
2997 #endif
2998 }
2999 if (changed) {
3000 #ifdef XPM_BACKGROUND
3001 rxvt_resize_pixmap(aR);
3002 #endif
3003 rxvt_scr_touch(aR_ True);
3004 }
3005 break;
3006
3007 case XTerm_restoreFG:
3008 rxvt_set_window_color(aR_ Color_fg, str);
3009 break;
3010 case XTerm_restoreBG:
3011 rxvt_set_window_color(aR_ Color_bg, str);
3012 break;
3013 case XTerm_logfile:
3014 break;
3015 case XTerm_font:
3016 rxvt_change_font(aR_ 0, str);
3017 break;
3018 #if 0
3019 case XTerm_dumpscreen: /* no error notices */
3020 {
3021 int fd;
3022 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
3023 rxvt_scr_dump(aR_ fd);
3024 close(fd);
3025 }
3026 }
3027 break;
3028 #endif
3029 }
3030 }
3031 /*----------------------------------------------------------------------*/
3032
3033 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
3034 /*
3035 * mode can only have the following values:
3036 * 'l' = low
3037 * 'h' = high
3038 * 's' = save
3039 * 'r' = restore
3040 * 't' = toggle
3041 * so no need for fancy checking
3042 */
3043 /* INTPROTO */
3044 int
3045 rxvt_privcases(pR_ int mode, unsigned long bit)
3046 {
3047 int state;
3048
3049 if (mode == 's') {
3050 R->SavedModes |= (R->PrivateModes & bit);
3051 return -1;
3052 } else {
3053 if (mode == 'r')
3054 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */
3055 else
3056 state = (mode == 't') ? !(R->PrivateModes & bit) : mode;
3057 PrivMode(state, bit);
3058 }
3059 return state;
3060 }
3061
3062 /* we're not using priv _yet_ */
3063 /* INTPROTO */
3064 void
3065 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3066 {
3067 unsigned int i, j;
3068 int state;
3069 static const struct {
3070 const int argval;
3071 const unsigned long bit;
3072 } argtopriv[] = {
3073 { 1, PrivMode_aplCUR },
3074 { 2, PrivMode_vt52 },
3075 { 3, PrivMode_132 },
3076 { 4, PrivMode_smoothScroll },
3077 { 5, PrivMode_rVideo },
3078 { 6, PrivMode_relOrigin },
3079 { 7, PrivMode_Autowrap },
3080 { 9, PrivMode_MouseX10 },
3081 #ifdef menuBar_esc
3082 { menuBar_esc, PrivMode_menuBar },
3083 #endif
3084 #ifdef scrollBar_esc
3085 { scrollBar_esc, PrivMode_scrollBar },
3086 #endif
3087 { 25, PrivMode_VisibleCursor },
3088 { 35, PrivMode_ShiftKeys },
3089 { 40, PrivMode_132OK },
3090 { 47, PrivMode_Screen },
3091 { 66, PrivMode_aplKP },
3092 #ifndef NO_BACKSPACE_KEY
3093 { 67, PrivMode_BackSpace },
3094 #endif
3095 { 1000, PrivMode_MouseX11 },
3096 { 1010, PrivMode_TtyOutputInh },
3097 { 1011, PrivMode_Keypress },
3098 { 1047, PrivMode_Screen },
3099 };
3100
3101 if (nargs == 0)
3102 return;
3103
3104 /* make lo/hi boolean */
3105 if (mode == 'l')
3106 mode = 0; /* reset */
3107 else if (mode == 'h')
3108 mode = 1; /* set */
3109
3110 for (i = 0; i < nargs; i++) {
3111 state = -1;
3112
3113 /* basic handling */
3114 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3115 if (argtopriv[j].argval == arg[i]) {
3116 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3117 break;
3118 }
3119
3120 /* extra handling for values with state unkept */
3121 if (state == -1)
3122 switch (arg[i]) {
3123 case 1048: /* alternative cursor save */
3124 if (mode == 0)
3125 rxvt_scr_cursor(aR_ RESTORE);
3126 else if (mode == 1)
3127 rxvt_scr_cursor(aR_ SAVE);
3128 /* FALLTHROUGH */
3129 default:
3130 continue; /* for(;i;) */
3131 }
3132
3133 /* extra handling for values with valid 0 or 1 state */
3134 switch (arg[i]) {
3135 /* case 1: - application cursor keys */
3136 case 2: /* VT52 mode */
3137 /* oddball mode. should be set regardless of set/reset
3138 * parameter. Return from VT52 mode with an ESC < from
3139 * within VT52 mode
3140 */
3141 PrivMode(1, PrivMode_vt52);
3142 break;
3143 case 3: /* 80/132 */
3144 if (R->PrivateModes & PrivMode_132OK)
3145 rxvt_set_widthheight(aR_
3146 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3147 (unsigned int)R->TermWin.height);
3148 break;
3149 case 4: /* smooth scrolling */
3150 if (state)
3151 R->Options &= ~Opt_jumpScroll;
3152 else
3153 R->Options |= Opt_jumpScroll;
3154 break;
3155 case 5: /* reverse video */
3156 rxvt_scr_rvideo_mode(aR_ state);
3157 break;
3158 case 6: /* relative/absolute origins */
3159 rxvt_scr_relative_origin(aR_ state);
3160 break;
3161 case 7: /* autowrap */
3162 rxvt_scr_autowrap(aR_ state);
3163 break;
3164 /* case 8: - auto repeat, can't do on a per window basis */
3165 case 9: /* X10 mouse reporting */
3166 if (state) /* orthogonal */
3167 R->PrivateModes &= ~(PrivMode_MouseX11);
3168 break;
3169 #ifdef menuBar_esc
3170 case menuBar_esc:
3171 #ifdef MENUBAR
3172 rxvt_map_menuBar(aR_ state);
3173 #endif
3174 break;
3175 #endif
3176 #ifdef scrollBar_esc
3177 case scrollBar_esc:
3178 if (rxvt_scrollbar_mapping(aR_ state)) {
3179 rxvt_resize_all_windows(aR_ 0, 0, 0);
3180 rxvt_scr_touch(aR_ True);
3181 }
3182 break;
3183 #endif
3184 case 25: /* visible/invisible cursor */
3185 rxvt_scr_cursor_visible(aR_ state);
3186 break;
3187 /* case 35: - shift keys */
3188 /* case 40: - 80 <--> 132 mode */
3189 case 47: /* secondary screen */
3190 rxvt_scr_change_screen(aR_ state);
3191 break;
3192 /* case 66: - application key pad */
3193 /* case 67: - backspace key */
3194 case 1000: /* X11 mouse reporting */
3195 if (state) /* orthogonal */
3196 R->PrivateModes &= ~(PrivMode_MouseX10);
3197 break;
3198 #if 0
3199 case 1001:
3200 break; /* X11 mouse highlighting */
3201 #endif
3202 case 1010: /* scroll to bottom on TTY output inhibit */
3203 if (state)
3204 R->Options &= ~Opt_scrollTtyOutput;
3205 else
3206 R->Options |= Opt_scrollTtyOutput;
3207 break;
3208 case 1011: /* scroll to bottom on key press */
3209 if (state)
3210 R->Options |= Opt_scrollTtyKeypress;
3211 else
3212 R->Options &= ~Opt_scrollTtyKeypress;
3213 break;
3214 case 1047: /* secondary screen w/ clearing */
3215 if (R->current_screen != PRIMARY)
3216 rxvt_scr_erase_screen(aR_ 2);
3217 rxvt_scr_change_screen(aR_ state);
3218 /* FALLTHROUGH */
3219 default:
3220 break;
3221 }
3222 }
3223 }
3224 /*}}} */
3225
3226 /*{{{ process sgr sequences */
3227 /* INTPROTO */
3228 void
3229 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3230 {
3231 unsigned int i;
3232 short rendset;
3233 int rendstyle;
3234
3235 if (nargs == 0) {
3236 rxvt_scr_rendition(aR_ 0, ~RS_None);
3237 return;
3238 }
3239 for (i = 0; i < nargs; i++) {
3240 rendset = -1;
3241 switch (arg[i]) {
3242 case 0:
3243 rendset = 0, rendstyle = ~RS_None;
3244 break;
3245 case 1:
3246 rendset = 1, rendstyle = RS_Bold;
3247 break;
3248 case 4:
3249 rendset = 1, rendstyle = RS_Uline;
3250 break;
3251 case 5:
3252 rendset = 1, rendstyle = RS_Blink;
3253 break;
3254 case 7:
3255 rendset = 1, rendstyle = RS_RVid;
3256 break;
3257 case 22:
3258 rendset = 0, rendstyle = RS_Bold;
3259 break;
3260 case 24:
3261 rendset = 0, rendstyle = RS_Uline;
3262 break;
3263 case 25:
3264 rendset = 0, rendstyle = RS_Blink;
3265 break;
3266 case 27:
3267 rendset = 0, rendstyle = RS_RVid;
3268 break;
3269 }
3270 if (rendset != -1) {
3271 rxvt_scr_rendition(aR_ rendset, rendstyle);
3272 continue; /* for(;i;) */
3273 }
3274
3275 switch (arg[i]) {
3276 case 30:
3277 case 31: /* set fg color */
3278 case 32:
3279 case 33:
3280 case 34:
3281 case 35:
3282 case 36:
3283 case 37:
3284 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3285 Color_fg);
3286 break;
3287 #ifdef TTY_256COLOR
3288 case 38:
3289 if (nargs > i + 2 && arg[i + 1] == 5) {
3290 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3291 Color_fg);
3292 i += 2;
3293 }
3294 break;
3295 #endif
3296 case 39: /* default fg */
3297 rxvt_scr_color(aR_ Color_fg, Color_fg);
3298 break;
3299
3300 case 40:
3301 case 41: /* set bg color */
3302 case 42:
3303 case 43:
3304 case 44:
3305 case 45:
3306 case 46:
3307 case 47:
3308 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3309 Color_bg);
3310 break;
3311 #ifdef TTY_256COLOR
3312 case 48:
3313 if (nargs > i + 2 && arg[i + 1] == 5) {
3314 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3315 Color_bg);
3316 i += 2;
3317 }
3318 break;
3319 #endif
3320 case 49: /* default bg */
3321 rxvt_scr_color(aR_ Color_bg, Color_bg);
3322 break;
3323
3324 #ifndef NO_BRIGHTCOLOR
3325 case 90:
3326 case 91: /* set bright fg color */
3327 case 92:
3328 case 93:
3329 case 94:
3330 case 95:
3331 case 96:
3332 case 97:
3333 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3334 Color_fg);
3335 break;
3336 case 100:
3337 case 101: /* set bright bg color */
3338 case 102:
3339 case 103:
3340 case 104:
3341 case 105:
3342 case 106:
3343 case 107:
3344 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3345 Color_bg);
3346 break;
3347 #endif
3348 }
3349 }
3350 }
3351 /*}}} */
3352
3353 /*{{{ process Rob Nation's own graphics mode sequences */
3354 /* INTPROTO */
3355 void
3356 rxvt_process_graphics(pR)
3357 {
3358 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3359
3360 #ifndef RXVT_GRAPHICS
3361 if (cmd == 'Q') { /* query graphics */
3362 R->tt_printf("\033G0\n"); /* no graphics */
3363 return;
3364 }
3365 /* swallow other graphics sequences until terminating ':' */
3366 do
3367 ch = rxvt_cmd_getc(aR);
3368 while (ch != ':');
3369 #else
3370 unsigned int nargs;
3371 int args[NGRX_PTS];
3372 unsigned char *text = NULL;
3373
3374 if (cmd == 'Q') { /* query graphics */
3375 R->tt_printf("\033G1\n"); /* yes, graphics (color) */
3376 return;
3377 }
3378 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3379 int neg;
3380
3381 ch = rxvt_cmd_getc(aR);
3382 neg = (ch == '-');
3383 if (neg || ch == '+')
3384 ch = rxvt_cmd_getc(aR);
3385
3386 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3387 args[nargs] = args[nargs] * 10 + (ch - '0');
3388 if (neg)
3389 args[nargs] = -args[nargs];
3390
3391 nargs++;
3392 args[nargs] = 0;
3393 if (ch != ';')
3394 break;
3395 }
3396
3397 if ((cmd == 'T') && (nargs >= 5)) {
3398 int i, len = args[4];
3399
3400 text = rxvt_malloc((len + 1) * sizeof(char));
3401
3402 if (text != NULL) {
3403 for (i = 0; i < len; i++)
3404 text[i] = rxvt_cmd_getc(aR);
3405 text[len] = '\0';
3406 }
3407 }
3408 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3409 #endif
3410 }
3411 /*}}} */
3412
3413 /* ------------------------------------------------------------------------- */
3414
3415 /*
3416 * Send printf() formatted output to the command.
3417 * Only use for small amounts of data.
3418 */
3419 void
3420 rxvt_term::tt_printf (const char *fmt,...)
3421 {
3422 va_list arg_ptr;
3423 unsigned char buf[256];
3424
3425 va_start (arg_ptr, fmt);
3426 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3427 va_end (arg_ptr);
3428 tt_write (buf, STRLEN (buf));
3429 }
3430
3431 /* ---------------------------------------------------------------------- */
3432 /* Write data to the pty as typed by the user, pasted with the mouse,
3433 * or generated by us in response to a query ESC sequence.
3434 */
3435 void
3436 rxvt_term::tt_write (const unsigned char *data, unsigned int len)
3437 {
3438 enum { MAX_PTY_WRITE = 255 }; // minimum MAX_INPUT
3439
3440 if (len)
3441 {
3442 if (v_buflen == 0)
3443 {
3444 int written = write (cmd_fd, data, min (MAX_PTY_WRITE, len));
3445 if (written == len)
3446 return;
3447
3448 data += written;
3449 len -= written;
3450 }
3451
3452
3453 v_buffer = (unsigned char *)realloc (v_buffer, v_buflen + len);
3454
3455 memcpy (v_buffer + v_buflen, data, len);
3456 v_buflen += len;
3457 }
3458
3459 for (;;)
3460 {
3461 int written = write (cmd_fd, v_buffer, min (MAX_PTY_WRITE, v_buflen));
3462
3463 if (written > 0)
3464 {
3465 v_buflen -= written;
3466
3467 if (v_buflen == 0)
3468 {
3469 free (v_buffer);
3470 v_buffer = 0;
3471 v_buflen = 0;
3472
3473 pty_ev.set (EVENT_READ);
3474 return;
3475 }
3476
3477 memmove (v_buffer, v_buffer + written, v_buflen);
3478 }
3479 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3480 // original code just ignores this...
3481 destroy ();
3482 else
3483 {
3484 pty_ev.set (EVENT_READ | EVENT_WRITE);
3485 return;
3486 }
3487 }
3488 }
3489
3490 /*----------------------- end-of-file (C source) -----------------------*/
3491