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Revision: 1.10
Committed: Thu Nov 27 16:49:45 2003 UTC (20 years, 5 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.9: +180 -235 lines
Log Message:
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File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.9 2003/11/27 10:12:10 pcg Exp $
5 *
6 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
10 * - extensive modifications
11 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
12 * - vt100 printing
13 * Copyright (c) 1995 Steven Hirsch <hirsch@emba.uvm.edu>
14 * - X11 mouse report mode and support for
15 * DEC "private mode" save/restore functions.
16 * Copyright (c) 1995 Jakub Jelinek <jj@gnu.ai.mit.edu>
17 * - key-related changes to handle Shift+function
18 * keys properly.
19 * Copyright (c) 1997 MJ Olesen <olesen@me.queensu.ca>
20 * - extensive modifications
21 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es>
22 * - modification and cleanups for Solaris 2.x
23 * and Linux 1.2.x
24 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
25 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
26 * - extensive modifications
27 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
28 * Copyright (c) 2001 Marius Gedminas
29 * - Ctrl/Mod4+Tab works like Meta+Tab (options)
30 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org>
31 *
32 * This program is free software; you can redistribute it and/or modify
33 * it under the terms of the GNU General Public License as published by
34 * the Free Software Foundation; either version 2 of the License, or
35 * (at your option) any later version.
36 *
37 * This program is distributed in the hope that it will be useful,
38 * but WITHOUT ANY WARRANTY; without even the implied warranty of
39 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
40 * GNU General Public License for more details.
41 *
42 * You should have received a copy of the GNU General Public License
43 * along with this program; if not, write to the Free Software
44 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 *----------------------------------------------------------------------*/
46
47 /*{{{ includes: */
48 #include "../config.h" /* NECESSARY */
49 #include "rxvt.h" /* NECESSARY */
50 #include "version.h"
51 #include "command.h"
52
53 /*----------------------------------------------------------------------*/
54
55 /*{{{ Convert the keypress event into a string */
56 /* INTPROTO */
57 void
58 rxvt_lookup_key(pR_ XKeyEvent *ev)
59 {
60 int ctrl, meta, shft, len;
61 unsigned int newlen;
62 KeySym keysym;
63 #ifdef DEBUG_CMD
64 static int debug_key = 1; /* accessible by a debugger only */
65 #endif
66 #ifdef USE_XIM
67 int valid_keysym;
68 #endif
69 unsigned char *kbuf = R->kbuf;
70
71 /*
72 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
73 * escape sequence to toggle the Keypad.
74 *
75 * Always permit `shift' to override the current setting
76 */
77 shft = (ev->state & ShiftMask);
78 ctrl = (ev->state & ControlMask);
79 meta = (ev->state & R->ModMetaMask);
80 if (R->numlock_state || (ev->state & R->ModNumLockMask)) {
81 R->numlock_state = (ev->state & R->ModNumLockMask);
82 PrivMode((!R->numlock_state), PrivMode_aplKP);
83 }
84 #ifdef USE_XIM
85 if (R->Input_Context != NULL) {
86 Status status_return;
87
88 kbuf[0] = '\0';
89 #ifdef X_HAVE_UTF8_STRING
90 len = Xutf8LookupString(R->Input_Context, ev, (char *)kbuf,
91 KBUFSZ, &keysym, &status_return);
92 #else
93 len = XmbLookupString(R->Input_Context, ev, (char *)kbuf,
94 KBUFSZ, &keysym, &status_return);
95 #endif
96 valid_keysym = ((status_return == XLookupKeySym)
97 || (status_return == XLookupBoth));
98 } else {
99 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
100 &R->compose);
101 valid_keysym = 1;
102 }
103 #else /* USE_XIM */
104 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
105 &R->compose);
106 /*
107 * map unmapped Latin[2-4]/Katakana/Arabic/Cyrillic/Greek entries -> Latin1
108 * good for installations with correct fonts, but without XLOCALE
109 */
110 if (!len) {
111 if ((keysym >= 0x0100) && (keysym < 0x0800)) {
112 kbuf[0] = (keysym & 0xFF);
113 kbuf[1] = '\0';
114 len = 1;
115 } else
116 kbuf[0] = '\0';
117 }
118 #endif /* USE_XIM */
119
120 #ifdef USE_XIM
121 if (valid_keysym)
122 #endif
123 {
124 /* for some backwards compatibility */
125 #if defined(HOTKEY_CTRL) || defined(HOTKEY_META)
126 # ifdef HOTKEY_CTRL
127 if (ctrl) {
128 # else
129 if (meta) {
130 # endif
131 if (keysym == R->ks_bigfont) {
132 rxvt_change_font(aR_ 0, FONT_UP);
133 return;
134 } else if (keysym == R->ks_smallfont) {
135 rxvt_change_font(aR_ 0, FONT_DN);
136 return;
137 }
138 }
139 #endif
140
141 if (R->TermWin.saveLines) {
142 #ifdef UNSHIFTED_SCROLLKEYS
143 if (!ctrl && !meta) {
144 #else
145 if (IS_SCROLL_MOD) {
146 #endif
147 int lnsppg;
148
149 #ifdef PAGING_CONTEXT_LINES
150 lnsppg = R->TermWin.nrow - PAGING_CONTEXT_LINES;
151 #else
152 lnsppg = R->TermWin.nrow * 4 / 5;
153 #endif
154 if (keysym == XK_Prior) {
155 rxvt_scr_page(aR_ UP, lnsppg);
156 return;
157 } else if (keysym == XK_Next) {
158 rxvt_scr_page(aR_ DN, lnsppg);
159 return;
160 }
161 }
162 #ifdef SCROLL_ON_UPDOWN_KEYS
163 if (IS_SCROLL_MOD) {
164 if (keysym == XK_Up) {
165 rxvt_scr_page(aR_ UP, 1);
166 return;
167 } else if (keysym == XK_Down) {
168 rxvt_scr_page(aR_ DN, 1);
169 return;
170 }
171 }
172 #endif
173 #ifdef SCROLL_ON_HOMEEND_KEYS
174 if (IS_SCROLL_MOD) {
175 if (keysym == XK_Home) {
176 rxvt_scr_move_to(aR_ 0, 1);
177 return;
178 } else if (keysym == XK_End) {
179 rxvt_scr_move_to(aR_ 1, 0);
180 return;
181 }
182 }
183 #endif
184 }
185
186 if (shft) {
187 /* Shift + F1 - F10 generates F11 - F20 */
188 if (keysym >= XK_F1 && keysym <= XK_F10) {
189 keysym += (XK_F11 - XK_F1);
190 shft = 0; /* turn off Shift */
191 } else if (!ctrl && !meta && (R->PrivateModes & PrivMode_ShiftKeys)) {
192 switch (keysym) {
193 /* normal XTerm key bindings */
194 case XK_Insert: /* Shift+Insert = paste mouse selection */
195 rxvt_selection_request(aR_ ev->time, 0, 0);
196 return;
197 /* rxvt extras */
198 case XK_KP_Add: /* Shift+KP_Add = bigger font */
199 rxvt_change_font(aR_ 0, FONT_UP);
200 return;
201 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
202 rxvt_change_font(aR_ 0, FONT_DN);
203 return;
204 }
205 }
206 }
207 #ifdef PRINTPIPE
208 if (keysym == XK_Print) {
209 rxvt_scr_printscreen(aR_ ctrl | shft);
210 return;
211 }
212 #endif
213 #ifdef GREEK_SUPPORT
214 if (keysym == R->ks_greekmodeswith) {
215 R->greek_mode = !R->greek_mode;
216 if (R->greek_mode) {
217 rxvt_xterm_seq(aR_ XTerm_title,
218 (greek_getmode() == GREEK_ELOT928
219 ? "[Greek: iso]" : "[Greek: ibm]"), CHAR_ST);
220 greek_reset();
221 } else
222 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
223 return;
224 }
225 #endif
226
227 if (keysym >= 0xFF00 && keysym <= 0xFFFF) {
228 #ifdef KEYSYM_RESOURCE
229 if (!(shft | ctrl) && R->Keysym_map[keysym & 0xFF] != NULL) {
230 unsigned int l;
231 const unsigned char *kbuf0;
232 const unsigned char ch = C0_ESC;
233
234 kbuf0 = (R->Keysym_map[keysym & 0xFF]);
235 l = (unsigned int)*kbuf0++;
236
237 /* escape prefix */
238 if (meta)
239 # ifdef META8_OPTION
240 if (R->meta_char == C0_ESC)
241 # endif
242 R->tt_write(&ch, 1);
243 R->tt_write(kbuf0, l);
244 return;
245 } else
246 #endif
247 {
248 newlen = 1;
249 switch (keysym) {
250 #ifndef NO_BACKSPACE_KEY
251 case XK_BackSpace:
252 if (R->PrivateModes & PrivMode_HaveBackSpace) {
253 kbuf[0] = (!!(R->PrivateModes & PrivMode_BackSpace)
254 ^ !!ctrl) ? '\b' : '\177';
255 kbuf[1] = '\0';
256 } else
257 STRCPY(kbuf, R->key_backspace);
258 # ifdef MULTICHAR_SET
259 if ((R->Options & Opt_mc_hack) && R->screen.cur.col > 0) {
260 int col, row;
261
262 newlen = STRLEN(kbuf);
263 col = R->screen.cur.col - 1;
264 row = R->screen.cur.row + R->TermWin.saveLines;
265 if (IS_MULTI2(R->screen.rend[row][col]))
266 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
267 }
268 # endif
269 break;
270 #endif
271 #ifndef NO_DELETE_KEY
272 case XK_Delete:
273 STRCPY(kbuf, R->key_delete);
274 # ifdef MULTICHAR_SET
275 if (R->Options & Opt_mc_hack) {
276 int col, row;
277
278 newlen = STRLEN(kbuf);
279 col = R->screen.cur.col;
280 row = R->screen.cur.row + R->TermWin.saveLines;
281 if (IS_MULTI1(R->screen.rend[row][col]))
282 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
283 }
284 # endif
285 break;
286 #endif
287 case XK_Tab:
288 if (shft)
289 STRCPY(kbuf, "\033[Z");
290 else {
291 #ifdef CTRL_TAB_MAKES_META
292 if (ctrl)
293 meta = 1;
294 #endif
295 #ifdef MOD4_TAB_MAKES_META
296 if (ev->state & Mod4Mask)
297 meta = 1;
298 #endif
299 newlen = 0;
300 }
301 break;
302
303
304 #ifdef XK_KP_Left
305 case XK_KP_Up: /* \033Ox or standard */
306 case XK_KP_Down: /* \033Or or standard */
307 case XK_KP_Right: /* \033Ov or standard */
308 case XK_KP_Left: /* \033Ot or standard */
309 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
310 STRCPY(kbuf, "\033OZ");
311 kbuf[2] = ("txvr"[keysym - XK_KP_Left]);
312 break;
313 } else
314 /* translate to std. cursor key */
315 keysym = XK_Left + (keysym - XK_KP_Left);
316 /* FALLTHROUGH */
317 #endif
318 case XK_Up: /* "\033[A" */
319 case XK_Down: /* "\033[B" */
320 case XK_Right: /* "\033[C" */
321 case XK_Left: /* "\033[D" */
322 STRCPY(kbuf, "\033[Z");
323 kbuf[2] = ("DACB"[keysym - XK_Left]);
324 /* do Shift first */
325 if (shft)
326 kbuf[2] = ("dacb"[keysym - XK_Left]);
327 else if (ctrl) {
328 kbuf[1] = 'O';
329 kbuf[2] = ("dacb"[keysym - XK_Left]);
330 } else if (R->PrivateModes & PrivMode_aplCUR)
331 kbuf[1] = 'O';
332 #ifdef MULTICHAR_SET
333 //TODO: ??
334 if (R->Options & Opt_mc_hack) {
335 int col, row, m;
336
337 col = R->screen.cur.col;
338 row = R->screen.cur.row + R->TermWin.saveLines;
339 m = 0;
340 if (keysym == XK_Right
341 && IS_MULTI1(R->screen.rend[row][col]))
342 m = 1;
343 else if (keysym == XK_Left) {
344 if (col > 0) {
345 if (IS_MULTI2(R->screen.rend[row][col - 1]))
346 m = 1;
347 } else if (R->screen.cur.row > 0) {
348 col = R->screen.tlen[--row];
349 if (col == -1)
350 col = R->TermWin.ncol - 1;
351 else
352 col--;
353 if (col > 0
354 && IS_MULTI2(R->screen.rend[row][col]))
355 m = 1;
356 }
357 }
358 if (m)
359 MEMMOVE(kbuf + 3, kbuf, 3 + 1);
360 }
361 #endif
362 break;
363
364 #ifndef UNSHIFTED_SCROLLKEYS
365 # ifdef XK_KP_Prior
366 case XK_KP_Prior:
367 /* allow shift to override */
368 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
369 STRCPY(kbuf, "\033Oy");
370 break;
371 }
372 /* FALLTHROUGH */
373 # endif
374 case XK_Prior:
375 STRCPY(kbuf, "\033[5~");
376 break;
377 # ifdef XK_KP_Next
378 case XK_KP_Next:
379 /* allow shift to override */
380 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
381 STRCPY(kbuf, "\033Os");
382 break;
383 }
384 /* FALLTHROUGH */
385 # endif
386 case XK_Next:
387 STRCPY(kbuf, "\033[6~");
388 break;
389 #endif
390 case XK_KP_Enter:
391 /* allow shift to override */
392 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
393 STRCPY(kbuf, "\033OM");
394 } else {
395 kbuf[0] = '\r';
396 kbuf[1] = '\0';
397 }
398 break;
399
400 #ifdef XK_KP_Begin
401 case XK_KP_Begin:
402 STRCPY(kbuf, "\033Ou");
403 break;
404
405 case XK_KP_Insert:
406 STRCPY(kbuf, "\033Op");
407 break;
408
409 case XK_KP_Delete:
410 STRCPY(kbuf, "\033On");
411 break;
412 #endif
413 case XK_KP_F1: /* "\033OP" */
414 case XK_KP_F2: /* "\033OQ" */
415 case XK_KP_F3: /* "\033OR" */
416 case XK_KP_F4: /* "\033OS" */
417 STRCPY(kbuf, "\033OP");
418 kbuf[2] += (keysym - XK_KP_F1);
419 break;
420
421 case XK_KP_Multiply: /* "\033Oj" : "*" */
422 case XK_KP_Add: /* "\033Ok" : "+" */
423 case XK_KP_Separator: /* "\033Ol" : "," */
424 case XK_KP_Subtract: /* "\033Om" : "-" */
425 case XK_KP_Decimal: /* "\033On" : "." */
426 case XK_KP_Divide: /* "\033Oo" : "/" */
427 case XK_KP_0: /* "\033Op" : "0" */
428 case XK_KP_1: /* "\033Oq" : "1" */
429 case XK_KP_2: /* "\033Or" : "2" */
430 case XK_KP_3: /* "\033Os" : "3" */
431 case XK_KP_4: /* "\033Ot" : "4" */
432 case XK_KP_5: /* "\033Ou" : "5" */
433 case XK_KP_6: /* "\033Ov" : "6" */
434 case XK_KP_7: /* "\033Ow" : "7" */
435 case XK_KP_8: /* "\033Ox" : "8" */
436 case XK_KP_9: /* "\033Oy" : "9" */
437 /* allow shift to override */
438 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
439 STRCPY(kbuf, "\033Oj");
440 kbuf[2] += (keysym - XK_KP_Multiply);
441 } else {
442 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
443 kbuf[1] = '\0';
444 }
445 break;
446
447 case XK_Find:
448 STRCPY(kbuf, "\033[1~");
449 break;
450 case XK_Insert:
451 STRCPY(kbuf, "\033[2~");
452 break;
453 #ifdef DXK_Remove /* support for DEC remove like key */
454 case DXK_Remove:
455 /* FALLTHROUGH */
456 #endif
457 case XK_Execute:
458 STRCPY(kbuf, "\033[3~");
459 break;
460 case XK_Select:
461 STRCPY(kbuf, "\033[4~");
462 break;
463 #ifdef XK_KP_End
464 case XK_KP_End:
465 /* allow shift to override */
466 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
467 STRCPY(kbuf, "\033Oq");
468 break;
469 }
470 /* FALLTHROUGH */
471 #endif
472 case XK_End:
473 STRCPY(kbuf, KS_END);
474 break;
475 #ifdef XK_KP_Home
476 case XK_KP_Home:
477 /* allow shift to override */
478 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
479 STRCPY(kbuf, "\033Ow");
480 break;
481 }
482 /* FALLTHROUGH */
483 #endif
484 case XK_Home:
485 STRCPY(kbuf, KS_HOME);
486 break;
487
488 #define FKEY(n, fkey) \
489 sprintf((char *)kbuf,"\033[%2d~", (int)((n) + (keysym - fkey)))
490
491 case XK_F1: /* "\033[11~" */
492 case XK_F2: /* "\033[12~" */
493 case XK_F3: /* "\033[13~" */
494 case XK_F4: /* "\033[14~" */
495 case XK_F5: /* "\033[15~" */
496 FKEY(11, XK_F1);
497 break;
498 case XK_F6: /* "\033[17~" */
499 case XK_F7: /* "\033[18~" */
500 case XK_F8: /* "\033[19~" */
501 case XK_F9: /* "\033[20~" */
502 case XK_F10: /* "\033[21~" */
503 FKEY(17, XK_F6);
504 break;
505 case XK_F11: /* "\033[23~" */
506 case XK_F12: /* "\033[24~" */
507 case XK_F13: /* "\033[25~" */
508 case XK_F14: /* "\033[26~" */
509 FKEY(23, XK_F11);
510 break;
511 case XK_F15: /* "\033[28~" */
512 case XK_F16: /* "\033[29~" */
513 FKEY(28, XK_F15);
514 break;
515 case XK_Help: /* "\033[28~" */
516 FKEY(28, XK_Help);
517 break;
518 case XK_Menu: /* "\033[29~" */
519 FKEY(29, XK_Menu);
520 break;
521 case XK_F17: /* "\033[31~" */
522 case XK_F18: /* "\033[32~" */
523 case XK_F19: /* "\033[33~" */
524 case XK_F20: /* "\033[34~" */
525 case XK_F21: /* "\033[35~" */
526 case XK_F22: /* "\033[36~" */
527 case XK_F23: /* "\033[37~" */
528 case XK_F24: /* "\033[38~" */
529 case XK_F25: /* "\033[39~" */
530 case XK_F26: /* "\033[40~" */
531 case XK_F27: /* "\033[41~" */
532 case XK_F28: /* "\033[42~" */
533 case XK_F29: /* "\033[43~" */
534 case XK_F30: /* "\033[44~" */
535 case XK_F31: /* "\033[45~" */
536 case XK_F32: /* "\033[46~" */
537 case XK_F33: /* "\033[47~" */
538 case XK_F34: /* "\033[48~" */
539 case XK_F35: /* "\033[49~" */
540 FKEY(31, XK_F17);
541 break;
542 #undef FKEY
543 default:
544 newlen = 0;
545 break;
546 }
547 if (newlen)
548 len = STRLEN(kbuf);
549 }
550 /*
551 * Pass meta for all function keys, if 'meta' option set
552 */
553 #ifdef META8_OPTION
554 if (meta && (R->meta_char == 0x80) && len > 0)
555 kbuf[len - 1] |= 0x80;
556 #endif
557 } else if (ctrl && keysym == XK_minus) {
558 len = 1;
559 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
560 } else {
561 #ifdef META8_OPTION
562 /* set 8-bit on */
563 if (meta && (R->meta_char == 0x80)) {
564 unsigned char *ch;
565
566 for (ch = kbuf; ch < kbuf + len; ch++)
567 *ch |= 0x80;
568 meta = 0;
569 }
570 #endif
571 #ifdef GREEK_SUPPORT
572 if (R->greek_mode)
573 len = greek_xlat(kbuf, len);
574 #endif
575 /* nil */ ;
576 }
577 }
578
579 if (len <= 0)
580 return; /* not mapped */
581
582 if (R->Options & Opt_scrollTtyKeypress)
583 if (R->TermWin.view_start) {
584 R->TermWin.view_start = 0;
585 R->want_refresh = 1;
586 }
587
588 /*
589 * these modifications only affect the static keybuffer
590 * pass Shift/Control indicators for function keys ending with `~'
591 *
592 * eg,
593 * Prior = "ESC[5~"
594 * Shift+Prior = "ESC[5$"
595 * Ctrl+Prior = "ESC[5^"
596 * Ctrl+Shift+Prior = "ESC[5@"
597 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
598 */
599 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
600 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
601
602 /* escape prefix */
603 if (meta
604 #ifdef META8_OPTION
605 && (R->meta_char == C0_ESC)
606 #endif
607 ) {
608 const unsigned char ch = C0_ESC;
609
610 R->tt_write(&ch, 1);
611 }
612 #ifdef DEBUG_CMD
613 if (debug_key) { /* Display keyboard buffer contents */
614 char *p;
615 int i;
616
617 fprintf(stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
618 for (i = 0, p = kbuf; i < len; i++, p++)
619 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
620 fprintf(stderr, "'\n");
621 }
622 #endif /* DEBUG_CMD */
623 R->tt_write(kbuf, (unsigned int)len);
624 }
625 /*}}} */
626
627 #if (MENUBAR_MAX)
628 /*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
629 /* attempt to `write' count to the input buffer */
630 /* EXTPROTO */
631 unsigned int
632 rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
633 {
634 unsigned int n, s;
635 unsigned char *cmdbuf_base = R->cmdbuf_base,
636 *cmdbuf_endp = R->cmdbuf_endp,
637 *cmdbuf_ptr = R->cmdbuf_ptr;
638
639 n = cmdbuf_ptr - cmdbuf_base;
640 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp;
641 if (n > 0 && s < count) {
642 MEMMOVE(cmdbuf_base, cmdbuf_ptr,
643 (unsigned int)(cmdbuf_endp - cmdbuf_ptr));
644 cmdbuf_ptr = cmdbuf_base;
645 cmdbuf_endp -= n;
646 s += n;
647 }
648 if (count > s) {
649 rxvt_print_error("data loss: cmd_write too large");
650 count = s;
651 }
652 for (; count--;)
653 *cmdbuf_endp++ = *str++;
654 R->cmdbuf_ptr = cmdbuf_ptr;
655 R->cmdbuf_endp = cmdbuf_endp;
656 return 0;
657 }
658 #endif /* MENUBAR_MAX */
659
660 void
661 rxvt_term::process_x_events ()
662 {
663 do
664 {
665 XEvent xev;
666
667 XNextEvent (Xdisplay, &xev);
668
669 #if defined(CURSOR_BLINK)
670 if ((Options & Opt_cursorBlink)
671 && xev.type == KeyPress)
672 {
673 if (hidden_cursor)
674 {
675 hidden_cursor = 0;
676 want_refresh = 1;
677 }
678
679 blink_ev.start (NOW + BLINK_INTERVAL);
680 }
681 #endif
682
683 #if defined(POINTER_BLANK)
684 if ((Options & Opt_pointerBlank)
685 && (pointerBlankDelay > 0))
686 {
687 if (xev.type == MotionNotify
688 || xev.type == ButtonPress
689 || xev.type == ButtonRelease)
690 if (hidden_pointer)
691 pointer_unblank ();
692
693 if (xev.type == KeyPress && hidden_pointer == 0)
694 pointer_blank ();
695 }
696 #endif
697
698 #ifdef USE_XIM
699 if (!XFilterEvent (&xev, xev.xany.window))
700 #endif
701 rxvt_process_x_event (this, &xev);
702 }
703 while (XPending (Xdisplay));
704 }
705
706 void
707 rxvt_term::blink_cb (time_watcher &w)
708 {
709 SET_R (this);
710
711 w.at += BLINK_INTERVAL;
712 hidden_cursor = !hidden_cursor;
713 want_refresh = 1;
714 flush ();
715 }
716
717 void
718 rxvt_term::x_cb (io_watcher &w, short revents)
719 {
720 SET_R (this);
721
722 process_x_events ();
723
724 flush ();
725 }
726
727 // read the next character, currently handles UTF-8
728 // will probably handle all sorts of other stuff in the future
729 uint32_t
730 rxvt_term::next_char ()
731 {
732 struct mbstate &s = mbstate;
733
734 while (cmdbuf_ptr < cmdbuf_endp)
735 {
736 uint8_t ch = *cmdbuf_ptr;
737
738 if (s.cnt)
739 {
740 if ((ch & 0xc0) == 0x80)
741 {
742 cmdbuf_ptr++;
743
744 /* continuation */
745 s.reg = (s.reg << 6) | (ch & 0x7f);
746
747 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
748 return s.reg;
749
750 continue;
751 }
752 else
753 {
754 s.cnt = 0;
755 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */
756 }
757 }
758
759 if ((ch & 0xc0) == 0xc0)
760 {
761 cmdbuf_ptr++;
762
763 /* first byte */
764 s.orig = ch; /* for broken encodings */
765 s.reg = ch;
766 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; }
767 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; }
768 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; }
769 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; }
770 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; }
771 }
772 else
773 {
774 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */
775 return ch;
776 }
777 }
778
779 return NOCHAR;
780 }
781
782 bool
783 rxvt_term::pty_fill ()
784 {
785 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
786
787 memmove (cmdbuf_base, cmdbuf_ptr, n);
788 cmdbuf_ptr = cmdbuf_base;
789 cmdbuf_endp = cmdbuf_ptr + n;
790
791 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n);
792
793 if (n > 0)
794 {
795 cmdbuf_endp += n;
796 return true;
797 }
798 else if (n < 0 && errno == EAGAIN)
799 return false;
800
801 destroy ();
802 }
803
804 void
805 rxvt_term::pty_cb (io_watcher &w, short revents)
806 {
807 SET_R (this);
808
809 if (revents & EVENT_WRITE)
810 tt_write (0, 0);
811 else if (revents & EVENT_READ)
812 // loop, but don't allow a single term to monopolize us
813 // the number of loops is fully arbitrary, and thus wrong
814 for (int i = 7; i-- && pty_fill (); )
815 {
816 //TODO:
817 /* once we know the shell is running, send the screen size. Again! */
818 //ch = rxvt_cmd_getc(aR); /* wait for something */
819 //rxvt_tt_winsize(cmd_fd, TermWin.ncol, TermWin.nrow, cmd_pid);
820
821 uint32_t ch = NOCHAR;
822
823 for (;;)
824 {
825 if (ch == NOCHAR)
826 ch = next_char ();
827
828 if (ch == NOCHAR) // TODO: improve
829 break;
830
831 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
832 {
833 /* Read a text string from the input buffer */
834 uint32_t buf[BUFSIZ];
835 bool refreshnow = false;
836 int nlines = 0;
837 uint32_t *str = buf;
838
839 *str++ = ch;
840
841 for (;;)
842 {
843 ch = next_char ();
844
845 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
846 break;
847 else
848 {
849 *str++ = ch;
850
851 if (ch == '\n')
852 {
853 nlines++;
854 refresh_count++;
855
856 if (!(Options & Opt_jumpScroll)
857 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
858 {
859 refreshnow = true;
860 ch = NOCHAR;
861 break;
862 }
863 }
864
865 if (str >= buf + BUFSIZ)
866 {
867 ch = NOCHAR;
868 break;
869 }
870 }
871 }
872
873 rxvt_scr_add_lines (this, buf, nlines, str - buf);
874
875 /*
876 * If there have been a lot of new lines, then update the screen
877 * What the heck I'll cheat and only refresh less than every page-full.
878 * the number of pages between refreshes is refresh_limit, which
879 * is incremented here because we must be doing flat-out scrolling.
880 *
881 * refreshing should be correct for small scrolls, because of the
882 * time-out
883 */
884 if (refreshnow)
885 {
886 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
887 refresh_limit++;
888
889 rxvt_scr_refresh (this, refresh_type);
890 }
891
892 }
893 else
894 {
895 switch (ch)
896 {
897 default:
898 rxvt_process_nonprinting (this, ch);
899 break;
900 case C0_ESC: /* escape char */
901 rxvt_process_escape_seq (this);
902 break;
903 /*case 0x9b: */ /* CSI */
904 /* rxvt_process_csi_seq (this); */
905 }
906
907 ch = NOCHAR;
908 }
909 }
910 }
911
912 flush ();
913 }
914
915 void
916 rxvt_term::flush ()
917 {
918 #ifdef TRANSPARENT
919 if (want_full_refresh)
920 {
921 want_full_refresh = 0;
922 rxvt_scr_clear (this);
923 rxvt_scr_touch (this, False);
924 want_refresh = 1;
925 }
926 #endif
927
928 if (want_refresh)
929 {
930 rxvt_scr_refresh (this, refresh_type);
931 rxvt_scrollbar_show (this, 1);
932 #ifdef USE_XIM
933 rxvt_IMSendSpot (this);
934 #endif
935 }
936
937 if (XPending (Xdisplay)) process_x_events ();
938 XFlush (Xdisplay);
939 if (XPending (Xdisplay)) process_x_events ();
940 }
941
942 /* rxvt_cmd_getc() - Return next input character */
943 /*
944 * Return the next input character after first passing any keyboard input
945 * to the command.
946 */
947 /* INTPROTO */
948 uint32_t
949 rxvt_cmd_getc(pR)
950 {
951 for (;;)
952 {
953 uint32_t c = R->next_char ();
954 if (c != NOCHAR)
955 return c;
956
957 // incomplete sequences should occur rarely, still, a better solution
958 // would be preferred. either setjmp/longjmp or better design.
959 fcntl (R->cmd_fd, F_SETFL, 0);
960 R->pty_fill ();
961 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
962 }
963
964 #if 0
965 #define TIMEOUT_USEC 5000
966 fd_set readfds;
967 int quick_timeout, select_res;
968 int want_motion_time, want_keypress_time;
969 struct timeval value;
970 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
971 struct timeval tp;
972 #endif
973
974 for (;;) {
975 /* loop until we can return something */
976
977 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
978 R->tt_write(NULL, 0);
979
980 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
981 if (R->mouse_slip_wheel_speed) {
982 quick_timeout = 1;
983 if (!R->mouse_slip_wheel_delay--
984 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
985 abs(R->mouse_slip_wheel_speed))) {
986 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
987 R->refresh_type |= SMOOTH_REFRESH;
988 R->want_refresh = 1;
989 }
990 }
991 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
992 #ifdef SELECTION_SCROLLING
993 if (R->pending_scroll_selection) {
994 quick_timeout = 1;
995 if (!R->scroll_selection_delay--
996 && rxvt_scr_page(aR_ R->scroll_selection_dir,
997 R->scroll_selection_lines)) {
998 rxvt_selection_extend(aR_ R->selection_save_x,
999 R->selection_save_y, R->selection_save_state);
1000 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
1001 R->refresh_type |= SMOOTH_REFRESH;
1002 R->want_refresh = 1;
1003 }
1004 }
1005 #endif
1006 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1007 if (scrollbar_isUp() || scrollbar_isDn()) {
1008 quick_timeout = 1;
1009 if (!R->scroll_arrow_delay--
1010 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
1011 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
1012 R->refresh_type |= SMOOTH_REFRESH;
1013 R->want_refresh = 1;
1014 }
1015 }
1016 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1017
1018 #ifdef TRANSPARENT
1019 quick_timeout |= R->want_full_refresh;
1020 #endif
1021 #endif
1022 }
1023
1024 void
1025 rxvt_term::pointer_unblank ()
1026 {
1027 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1028 rxvt_recolour_cursor (this);
1029
1030 #ifdef POINTER_BLANK
1031 hidden_pointer = 0;
1032
1033 if (Options & Opt_pointerBlank)
1034 pointer_ev.start (NOW + pointerBlankDelay);
1035 #endif
1036 }
1037
1038 #ifdef POINTER_BLANK
1039 void
1040 rxvt_term::pointer_blank ()
1041 {
1042 pointer_ev.stop ();
1043
1044 if (!(Options & Opt_pointerBlank))
1045 return;
1046
1047 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1048 XFlush (Xdisplay);
1049
1050 hidden_pointer = 1;
1051 }
1052
1053 void
1054 rxvt_term::pointer_cb (time_watcher &w)
1055 {
1056 SET_R (this);
1057
1058 pointer_blank ();
1059 }
1060 #endif
1061
1062 /* INTPROTO */
1063 void
1064 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1065 {
1066 int button_number, key_state = 0;
1067 int x, y;
1068
1069 x = ev->x;
1070 y = ev->y;
1071 rxvt_pixel_position(aR_ &x, &y);
1072
1073 if (R->MEvent.button == AnyButton) {
1074 button_number = 3;
1075 } else {
1076 button_number = R->MEvent.button - Button1;
1077 /* add 0x3D for wheel events, like xterm does */
1078 if (button_number >= 3)
1079 button_number += (64 - 3);
1080 }
1081
1082 if (R->PrivateModes & PrivMode_MouseX10) {
1083 /*
1084 * do not report ButtonRelease
1085 * no state info allowed
1086 */
1087 key_state = 0;
1088 if (button_number == 3)
1089 return;
1090 } else {
1091 /* XTerm mouse reporting needs these values:
1092 * 4 = Shift
1093 * 8 = Meta
1094 * 16 = Control
1095 * plus will add in our own Double-Click reporting
1096 * 32 = Double Click
1097 */
1098 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1099 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1100 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1101 #ifdef MOUSE_REPORT_DOUBLECLICK
1102 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1103 #endif
1104 }
1105
1106 #ifdef DEBUG_MOUSEREPORT
1107 fprintf(stderr, "Mouse [");
1108 if (key_state & 16)
1109 fputc('C', stderr);
1110 if (key_state & 4)
1111 fputc('S', stderr);
1112 if (key_state & 8)
1113 fputc('A', stderr);
1114 if (key_state & 32)
1115 fputc('2', stderr);
1116 fprintf(stderr, "]: <%d>, %d/%d\n",
1117 button_number,
1118 x + 1,
1119 y + 1);
1120 #else
1121 R->tt_printf("\033[M%c%c%c",
1122 (32 + button_number + key_state),
1123 (32 + x + 1),
1124 (32 + y + 1));
1125 #endif
1126 }
1127
1128 #ifdef USING_W11LIB
1129 /* EXTPROTO */
1130 void
1131 rxvt_W11_process_x_event(XEvent *ev)
1132 {
1133 rxvt_t *r = rxvt_get_r();
1134
1135 rxvt_process_x_event(aR_ ev);
1136 }
1137 #endif
1138
1139 /*{{{ process an X event */
1140 /* INTPROTO */
1141 void
1142 rxvt_process_x_event(pR_ XEvent *ev)
1143 {
1144 int i, want_timeout;
1145 Window unused_root, unused_child;
1146 int unused_root_x, unused_root_y;
1147 unsigned int unused_mask;
1148 struct timeval tp;
1149
1150 #ifdef DEBUG_X
1151 const char *const eventnames[] =
1152 { /* mason - this matches my system */
1153 "",
1154 "",
1155 "KeyPress",
1156 "KeyRelease",
1157 "ButtonPress",
1158 "ButtonRelease",
1159 "MotionNotify",
1160 "EnterNotify",
1161 "LeaveNotify",
1162 "FocusIn",
1163 "FocusOut",
1164 "KeymapNotify",
1165 "Expose",
1166 "GraphicsExpose",
1167 "NoExpose",
1168 "VisibilityNotify",
1169 "CreateNotify",
1170 "DestroyNotify",
1171 "UnmapNotify",
1172 "MapNotify",
1173 "MapRequest",
1174 "ReparentNotify",
1175 "ConfigureNotify",
1176 "ConfigureRequest",
1177 "GravityNotify",
1178 "ResizeRequest",
1179 "CirculateNotify",
1180 "CirculateRequest",
1181 "PropertyNotify",
1182 "SelectionClear",
1183 "SelectionRequest",
1184 "SelectionNotify",
1185 "ColormapNotify",
1186 "ClientMessage",
1187 "MappingNotify"
1188 };
1189 struct tm *ltt;
1190 #endif
1191
1192 /*
1193 * check if we need to get the time for any timeouts
1194 */
1195
1196 for (i = NUM_TIMEOUTS; i--; )
1197 if (R->timeout[i].tv_sec) {
1198 want_timeout = 1;
1199 break;
1200 }
1201
1202 #ifndef DEBUG_X
1203 if (want_timeout)
1204 #endif
1205 (void)gettimeofday(&tp, NULL);
1206
1207 #ifdef DEBUG_X
1208 ltt = localtime(&(tp.tv_sec));
1209 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));
1210 #endif
1211
1212 /* X event timeouts */
1213 if (want_timeout)
1214 for (i = NUM_TIMEOUTS; i--; ) {
1215 if (R->timeout[i].tv_sec == 0)
1216 continue;
1217 if ((tp.tv_sec < R->timeout[i].tv_sec)
1218 || (tp.tv_sec == R->timeout[i].tv_sec
1219 && tp.tv_usec < R->timeout[i].tv_usec))
1220 continue;
1221 R->timeout[i].tv_sec = 0;
1222 switch(i) {
1223 case TIMEOUT_INCR:
1224 rxvt_print_error("data loss: timeout on INCR selection paste");
1225 R->selection_wait = Sel_none;
1226 break;
1227 default:
1228 break;
1229 }
1230 }
1231
1232 switch (ev->type) {
1233 case KeyPress:
1234 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1235 break;
1236
1237 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1238 case KeyRelease:
1239 {
1240 if (!(ev->xkey.state & ControlMask))
1241 R->mouse_slip_wheel_speed = 0;
1242 else {
1243 KeySym ks;
1244
1245 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1246 if (ks == XK_Control_L || ks == XK_Control_R)
1247 R->mouse_slip_wheel_speed = 0;
1248 }
1249 break;
1250 }
1251 #endif
1252
1253 case ButtonPress:
1254 rxvt_button_press(aR_ (XButtonEvent *)ev);
1255 break;
1256
1257 case ButtonRelease:
1258 rxvt_button_release(aR_ (XButtonEvent *)ev);
1259 break;
1260
1261 case ClientMessage:
1262 if (ev->xclient.format == 32
1263 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1264 R->destroy ();
1265 #ifdef OFFIX_DND
1266 /* OffiX Dnd (drag 'n' drop) protocol */
1267 else if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1268 && (ev->xclient.data.l[0] == DndFile
1269 || ev->xclient.data.l[0] == DndDir
1270 || ev->xclient.data.l[0] == DndLink)) {
1271 /* Get Dnd data */
1272 Atom ActualType;
1273 int ActualFormat;
1274 unsigned char *data;
1275 unsigned long Size, RemainingBytes;
1276
1277 XGetWindowProperty(R->Xdisplay, Xroot,
1278 R->xa[XA_DNDSELECTION],
1279 0L, 1000000L,
1280 False, AnyPropertyType,
1281 &ActualType, &ActualFormat,
1282 &Size, &RemainingBytes,
1283 &data);
1284 XChangeProperty(R->Xdisplay, Xroot,
1285 XA_CUT_BUFFER0, XA_STRING,
1286 8, PropModeReplace,
1287 data, STRLEN(data));
1288 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1289 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1290 }
1291 #endif /* OFFIX_DND */
1292 break;
1293
1294 case MappingNotify:
1295 XRefreshKeyboardMapping(&(ev->xmapping));
1296 break;
1297
1298 /*
1299 * XXX: this is not the _current_ arrangement
1300 * Here's my conclusion:
1301 * If the window is completely unobscured, use bitblt's
1302 * to scroll. Even then, they're only used when doing partial
1303 * screen scrolling. When partially obscured, we have to fill
1304 * in the GraphicsExpose parts, which means that after each refresh,
1305 * we need to wait for the graphics expose or Noexpose events,
1306 * which ought to make things real slow!
1307 */
1308 case VisibilityNotify:
1309 switch (ev->xvisibility.state)
1310 {
1311 case VisibilityUnobscured:
1312 R->refresh_type = FAST_REFRESH;
1313 break;
1314 case VisibilityPartiallyObscured:
1315 R->refresh_type = SLOW_REFRESH;
1316 break;
1317 default:
1318 R->refresh_type = NO_REFRESH;
1319 break;
1320 }
1321 break;
1322
1323 case FocusIn:
1324 if (!R->TermWin.focus) {
1325 R->TermWin.focus = 1;
1326 R->want_refresh = 1;
1327 #ifdef USE_XIM
1328 if (R->Input_Context != NULL)
1329 XSetICFocus(R->Input_Context);
1330 #endif
1331 #ifdef CURSOR_BLINK
1332 if (R->Options & Opt_cursorBlink)
1333 R->blink_ev.start (NOW + BLINK_INTERVAL);
1334 #endif
1335 }
1336 break;
1337
1338 case FocusOut:
1339 if (R->TermWin.focus) {
1340 R->TermWin.focus = 0;
1341 R->want_refresh = 1;
1342 #ifdef USE_XIM
1343 if (R->Input_Context != NULL)
1344 XUnsetICFocus(R->Input_Context);
1345 #endif
1346 #ifdef CURSOR_BLINK
1347 if (R->Options & Opt_cursorBlink)
1348 R->blink_ev.stop ();
1349 R->hidden_cursor = 0;
1350 #endif
1351 }
1352 break;
1353
1354 case ConfigureNotify:
1355 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1356 int height, width;
1357
1358 do { /* Wrap lots of configures into one */
1359 width = ev->xconfigure.width;
1360 height = ev->xconfigure.height;
1361 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1362 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1363 ConfigureNotify, ev));
1364 if (R->szHint.width != width || R->szHint.height != height) {
1365 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1366 rxvt_resize_all_windows(aR_ (unsigned int)width,
1367 (unsigned int)height, 1);
1368 }
1369 #ifdef DEBUG_SIZE
1370 else {
1371 D_SIZE((stderr, "Size: Not resizing"));
1372 }
1373 #endif
1374 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1375 if (R->Options & Opt_transparent) {
1376 rxvt_check_our_parents(aR);
1377 if (R->am_transparent)
1378 R->want_full_refresh = 1;
1379 }
1380 #endif
1381 }
1382 break;
1383
1384 case SelectionClear:
1385 rxvt_selection_clear(aR);
1386 break;
1387
1388 case SelectionNotify:
1389 if (R->selection_wait == Sel_normal)
1390 rxvt_selection_paste(aR_ ev->xselection.requestor,
1391 ev->xselection.property, True);
1392 break;
1393
1394 case SelectionRequest:
1395 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1396 break;
1397
1398 case UnmapNotify:
1399 R->TermWin.mapped = 0;
1400 break;
1401
1402 case MapNotify:
1403 R->TermWin.mapped = 1;
1404 break;
1405
1406 case PropertyNotify:
1407 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1408 if (ev->xproperty.state == PropertyNewValue)
1409 rxvt_selection_property(aR_ ev->xproperty.window,
1410 ev->xproperty.atom);
1411 break;
1412 }
1413 #ifdef TRANSPARENT
1414 /*
1415 * if user used some Esetroot compatible prog to set the root bg,
1416 * use the property to determine the pixmap. We use it later on.
1417 */
1418 if (R->xa[XA_XROOTPMAPID] == 0)
1419 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1420 "_XROOTPMAP_ID", False);
1421 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1422 break;
1423 /* FALLTHROUGH */
1424 case ReparentNotify:
1425 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1426 if (R->am_transparent)
1427 R->want_full_refresh = 1;
1428 }
1429 #endif /* TRANSPARENT */
1430 break;
1431
1432 case GraphicsExpose:
1433 case Expose:
1434 if (ev->xany.window == R->TermWin.vt) {
1435 #ifdef NO_SLOW_LINK_SUPPORT
1436 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1437 ev->xexpose.width, ev->xexpose.height, False);
1438 #else
1439 // don't understand this, so commented it out
1440 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1441 ev->xexpose.width, ev->xexpose.height, False);
1442 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1443 // ev->xexpose.width, R->TermWin.height, False);
1444 #endif
1445 R->want_refresh = 1;
1446 } else {
1447 XEvent unused_xevent;
1448
1449 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1450 Expose,
1451 &unused_xevent)) ;
1452 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1453 GraphicsExpose,
1454 &unused_xevent)) ;
1455 if (isScrollbarWindow(ev->xany.window)) {
1456 scrollbar_setIdle();
1457 rxvt_scrollbar_show(aR_ 0);
1458 }
1459 #ifdef MENUBAR
1460 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1461 rxvt_menubar_expose(aR);
1462 #endif
1463 #ifdef RXVT_GRAPHICS
1464 rxvt_Gr_expose(aR_ ev->xany.window);
1465 #endif
1466 }
1467 break;
1468
1469 case MotionNotify:
1470 #ifdef POINTER_BLANK
1471 if (R->hidden_pointer)
1472 R->pointer_unblank ();
1473 #endif
1474 #if MENUBAR
1475 if (isMenuBarWindow(ev->xany.window)) {
1476 rxvt_menubar_control(aR_ &(ev->xbutton));
1477 break;
1478 }
1479 #endif
1480 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1481 break;
1482
1483 if (ev->xany.window == R->TermWin.vt) {
1484 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1485 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1486 MotionNotify, ev)) ;
1487 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1488 &unused_root, &unused_child,
1489 &unused_root_x, &unused_root_y,
1490 &(ev->xbutton.x), &(ev->xbutton.y),
1491 &unused_mask);
1492 #ifdef MOUSE_THRESHOLD
1493 /* deal with a `jumpy' mouse */
1494 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1495 #endif
1496 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1497 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1498 #ifdef SELECTION_SCROLLING
1499 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1500 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1501 int dist;
1502
1503 R->pending_scroll_selection=1;
1504
1505 /* don't clobber the current delay if we are
1506 * already in the middle of scrolling.
1507 */
1508 if (R->scroll_selection_delay<=0)
1509 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1510
1511 /* save the event params so we can highlight
1512 * the selection in the pending-scroll loop
1513 */
1514 R->selection_save_x=ev->xbutton.x;
1515 R->selection_save_y=ev->xbutton.y;
1516 R->selection_save_state=
1517 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1518
1519 /* calc number of lines to scroll */
1520 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1521 R->scroll_selection_dir = UP;
1522 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1523 }
1524 else {
1525 R->scroll_selection_dir = DN;
1526 dist = ev->xbutton.y -
1527 (R->TermWin.int_bwidth + R->TermWin.height);
1528 }
1529 R->scroll_selection_lines=(Pixel2Height(dist)/
1530 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1531 MIN_IT(R->scroll_selection_lines,
1532 SELECTION_SCROLL_MAX_LINES);
1533 }
1534 else {
1535 /* we are within the text window, so we
1536 * shouldn't be scrolling
1537 */
1538 R->pending_scroll_selection = 0;
1539 }
1540 #endif
1541 #ifdef MOUSE_THRESHOLD
1542 }
1543 #endif
1544 }
1545 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1546 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1547 MotionNotify, ev)) ;
1548 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1549 &unused_root, &unused_child,
1550 &unused_root_x, &unused_root_y,
1551 &(ev->xbutton.x), &(ev->xbutton.y),
1552 &unused_mask);
1553 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1554 scrollbar_size());
1555 rxvt_scr_refresh(aR_ R->refresh_type);
1556 R->refresh_limit = 0;
1557 rxvt_scrollbar_show(aR_ 1);
1558 }
1559 break;
1560 }
1561 }
1562
1563 /* INTPROTO */
1564 void
1565 rxvt_button_press(pR_ XButtonEvent *ev)
1566 {
1567 int reportmode = 0, clickintime;
1568
1569 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1570 if (!R->bypass_keystate)
1571 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1572 /*
1573 * VT window processing of button press
1574 */
1575 if (ev->window == R->TermWin.vt)
1576 {
1577 #if RXVT_GRAPHICS
1578 if (ev->subwindow != None)
1579 rxvt_Gr_ButtonPress(ev->x, ev->y);
1580 else
1581 #endif
1582 {
1583 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1584 if (reportmode)
1585 {
1586 /* mouse report from vt window */
1587 /* save the xbutton state (for ButtonRelease) */
1588 R->MEvent.state = ev->state;
1589 #ifdef MOUSE_REPORT_DOUBLECLICK
1590 if (ev->button == R->MEvent.button && clickintime)
1591 {
1592 /* same button, within alloted time */
1593 R->MEvent.clicks++;
1594 if (R->MEvent.clicks > 1)
1595 {
1596 /* only report double clicks */
1597 R->MEvent.clicks = 2;
1598 rxvt_mouse_report(aR_ ev);
1599
1600 /* don't report the release */
1601 R->MEvent.clicks = 0;
1602 R->MEvent.button = AnyButton;
1603 }
1604 }
1605 else
1606 {
1607 /* different button, or time expired */
1608 R->MEvent.clicks = 1;
1609 R->MEvent.button = ev->button;
1610 rxvt_mouse_report(aR_ ev);
1611 }
1612 #else
1613 R->MEvent.button = ev->button;
1614 rxvt_mouse_report(aR_ ev);
1615 #endif /* MOUSE_REPORT_DOUBLECLICK */
1616 }
1617 else
1618 {
1619 if (ev->button != R->MEvent.button)
1620 R->MEvent.clicks = 0;
1621 switch (ev->button)
1622 {
1623 case Button1:
1624 if (R->MEvent.button == Button1 && clickintime)
1625 R->MEvent.clicks++;
1626 else
1627 R->MEvent.clicks = 1;
1628 rxvt_selection_click(aR_ R->MEvent.clicks, ev->x, ev->y);
1629 R->MEvent.button = Button1;
1630 break;
1631
1632 case Button3:
1633 if (R->MEvent.button == Button3 && clickintime)
1634 rxvt_selection_rotate(aR_ ev->x, ev->y);
1635 else
1636 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1637 R->MEvent.button = Button3;
1638 break;
1639 }
1640 }
1641 R->MEvent.time = ev->time;
1642 return;
1643 }
1644 }
1645
1646 /*
1647 * Scrollbar window processing of button press
1648 */
1649 if (isScrollbarWindow(ev->window))
1650 {
1651 scrollbar_setIdle();
1652 /*
1653 * Rxvt-style scrollbar:
1654 * move up if mouse is above slider
1655 * move dn if mouse is below slider
1656 *
1657 * XTerm-style scrollbar:
1658 * Move display proportional to pointer location
1659 * pointer near top -> scroll one line
1660 * pointer near bot -> scroll full page
1661 */
1662 #ifndef NO_SCROLLBAR_REPORT
1663 if (reportmode) {
1664 /*
1665 * Mouse report disabled scrollbar:
1666 * arrow buttons - send up/down
1667 * click on scrollbar - send pageup/down
1668 */
1669 if ((R->scrollBar.style == R_SB_NEXT
1670 && scrollbarnext_upButton(ev->y))
1671 || (R->scrollBar.style == R_SB_RXVT
1672 && scrollbarrxvt_upButton(ev->y)))
1673 R->tt_printf("\033[A");
1674 else if ((R->scrollBar.style == R_SB_NEXT
1675 && scrollbarnext_dnButton(ev->y))
1676 || (R->scrollBar.style == R_SB_RXVT
1677 && scrollbarrxvt_dnButton(ev->y)))
1678 R->tt_printf("\033[B");
1679 else
1680 switch (ev->button) {
1681 case Button2:
1682 R->tt_printf("\014");
1683 break;
1684 case Button1:
1685 R->tt_printf("\033[6~");
1686 break;
1687 case Button3:
1688 R->tt_printf("\033[5~");
1689 break;
1690 }
1691 }
1692 else
1693 #endif /* NO_SCROLLBAR_REPORT */
1694 {
1695 char upordown = 0;
1696
1697 if (R->scrollBar.style == R_SB_NEXT) {
1698 if (scrollbarnext_upButton(ev->y))
1699 upordown = -1; /* up */
1700 else if (scrollbarnext_dnButton(ev->y))
1701 upordown = 1; /* down */
1702 } else if (R->scrollBar.style == R_SB_RXVT) {
1703 if (scrollbarrxvt_upButton(ev->y))
1704 upordown = -1; /* up */
1705 else if (scrollbarrxvt_dnButton(ev->y))
1706 upordown = 1; /* down */
1707 }
1708 if (upordown) {
1709 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1710 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1711 #endif
1712 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1713 if (upordown < 0)
1714 scrollbar_setUp();
1715 else
1716 scrollbar_setDn();
1717 }
1718 } else
1719 switch (ev->button) {
1720 case Button2:
1721 switch (R->scrollbar_align) {
1722 case R_SB_ALIGN_TOP:
1723 R->csrO = 0;
1724 break;
1725 case R_SB_ALIGN_CENTRE:
1726 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1727 break;
1728 case R_SB_ALIGN_BOTTOM:
1729 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1730 break;
1731 }
1732 if (R->scrollBar.style == R_SB_XTERM
1733 || scrollbar_above_slider(ev->y)
1734 || scrollbar_below_slider(ev->y))
1735 rxvt_scr_move_to(aR_
1736 scrollbar_position(ev->y) - R->csrO,
1737 scrollbar_size());
1738 scrollbar_setMotion();
1739 break;
1740
1741 case Button1:
1742 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1743 R->csrO = ev->y - R->scrollBar.top;
1744 /* FALLTHROUGH */
1745
1746 case Button3:
1747 if (R->scrollBar.style != R_SB_XTERM) {
1748 if (scrollbar_above_slider(ev->y))
1749 # ifdef RXVT_SCROLL_FULL
1750 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1751 # else
1752 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1753 # endif
1754 else if (scrollbar_below_slider(ev->y))
1755 # ifdef RXVT_SCROLL_FULL
1756 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1757 # else
1758 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1759 # endif
1760 else
1761 scrollbar_setMotion();
1762 } else {
1763 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1764 (R->TermWin.nrow
1765 * scrollbar_position(ev->y)
1766 / scrollbar_size()));
1767 }
1768 break;
1769 }
1770 }
1771 return;
1772 }
1773 #if MENUBAR
1774 /*
1775 * Menubar window processing of button press
1776 */
1777 if (isMenuBarWindow(ev->window))
1778 rxvt_menubar_control(aR_ ev);
1779 #endif
1780 }
1781
1782 /* INTPROTO */
1783 void
1784 rxvt_button_release(pR_ XButtonEvent *ev)
1785 {
1786 int reportmode = 0;
1787
1788 R->csrO = 0; /* reset csr Offset */
1789 if (!R->bypass_keystate)
1790 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1791
1792 if (scrollbar_isUpDn()) {
1793 scrollbar_setIdle();
1794 rxvt_scrollbar_show(aR_ 0);
1795 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1796 R->refresh_type &= ~SMOOTH_REFRESH;
1797 #endif
1798 }
1799 #ifdef SELECTION_SCROLLING
1800 R->pending_scroll_selection=0;
1801 #endif
1802 if (ev->window == R->TermWin.vt)
1803 {
1804 #ifdef RXVT_GRAPHICS
1805 if (ev->subwindow != None)
1806 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1807 else
1808 #endif
1809 {
1810 if (reportmode)
1811 {
1812 /* mouse report from vt window */
1813 /* don't report release of wheel "buttons" */
1814 if (ev->button >= 4)
1815 return;
1816 #ifdef MOUSE_REPORT_DOUBLECLICK
1817 /* only report the release of 'slow' single clicks */
1818 if (R->MEvent.button != AnyButton
1819 && (ev->button != R->MEvent.button
1820 || (ev->time - R->MEvent.time
1821 > MULTICLICK_TIME / 2)))
1822 {
1823 R->MEvent.clicks = 0;
1824 R->MEvent.button = AnyButton;
1825 rxvt_mouse_report(aR_ ev);
1826 }
1827 #else /* MOUSE_REPORT_DOUBLECLICK */
1828 R->MEvent.button = AnyButton;
1829 rxvt_mouse_report(aR_ ev);
1830 #endif /* MOUSE_REPORT_DOUBLECLICK */
1831 return;
1832 }
1833 /*
1834 * dumb hack to compensate for the failure of click-and-drag
1835 * when overriding mouse reporting
1836 */
1837 if (R->PrivateModes & PrivMode_mouse_report
1838 && R->bypass_keystate
1839 && ev->button == Button1 && R->MEvent.clicks <= 1)
1840 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1841
1842 switch (ev->button) {
1843 case Button1:
1844 case Button3:
1845 rxvt_selection_make(aR_ ev->time);
1846 break;
1847 case Button2:
1848 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1849 break;
1850 #ifdef MOUSE_WHEEL
1851 case Button4:
1852 case Button5:
1853 {
1854 int i, v;
1855
1856 v = (ev->button == Button4) ? UP : DN;
1857 if (ev->state & ShiftMask)
1858 i = 1;
1859 else if ((R->Options & Opt_mouseWheelScrollPage))
1860 i = R->TermWin.nrow - 1;
1861 else
1862 i = 5;
1863 # ifdef MOUSE_SLIP_WHEELING
1864 if (ev->state & ControlMask)
1865 {
1866 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1867 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1868 }
1869 # endif
1870 # ifdef JUMP_MOUSE_WHEEL
1871 rxvt_scr_page(aR_ v, i);
1872 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1873 rxvt_scrollbar_show(aR_ 1);
1874 # else
1875 for (; i--;)
1876 {
1877 rxvt_scr_page(aR_ v, 1);
1878 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1879 rxvt_scrollbar_show(aR_ 1);
1880 }
1881 # endif
1882 }
1883 break;
1884 #endif
1885 }
1886 }
1887 }
1888 #ifdef MENUBAR
1889 else if (isMenuBarWindow(ev->window))
1890 rxvt_menubar_control(aR_ ev);
1891 #endif
1892 }
1893
1894
1895 #ifdef TRANSPARENT
1896 /*
1897 * Check our parents are still who we think they are.
1898 * Do transparency updates if required
1899 */
1900 /* EXTPROTO */
1901 int
1902 rxvt_check_our_parents(pR)
1903 {
1904 int i, pchanged, aformat, have_pixmap, rootdepth;
1905 unsigned long nitems, bytes_after;
1906 Atom atype;
1907 unsigned char *prop = NULL;
1908 Window root, oldp, *list;
1909 Pixmap rootpixmap = None;
1910 XWindowAttributes wattr, wrootattr;
1911
1912 pchanged = 0;
1913
1914 if (!(R->Options & Opt_transparent))
1915 return pchanged; /* Don't try any more */
1916
1917 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1918 rootdepth = wrootattr.depth;
1919
1920 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1921 if (rootdepth != wattr.depth) {
1922 if (R->am_transparent) {
1923 pchanged = 1;
1924 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1925 R->PixColors[Color_bg]);
1926 R->am_transparent = R->am_pixmap_trans = 0;
1927 }
1928 return pchanged; /* Don't try any more */
1929 }
1930
1931 /* Get all X ops out of the queue so that our information is up-to-date. */
1932 XSync(R->Xdisplay, False);
1933
1934 /*
1935 * Make the frame window set by the window manager have
1936 * the root background. Some window managers put multiple nested frame
1937 * windows for each client, so we have to take care about that.
1938 */
1939 i = (R->xa[XA_XROOTPMAPID] != 0
1940 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1941 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1942 &nitems, &bytes_after, &prop) == Success));
1943 if (!i || prop == NULL)
1944 have_pixmap = 0;
1945 else {
1946 have_pixmap = 1;
1947 rootpixmap = *((Pixmap *)prop);
1948 XFree(prop);
1949 }
1950 if (have_pixmap) {
1951 /*
1952 * Copy Xroot pixmap transparency
1953 */
1954 int sx, sy, nx, ny;
1955 unsigned int nw, nh;
1956 Window cr;
1957 XImage *image;
1958 GC gc;
1959 XGCValues gcvalue;
1960
1961 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1962 0, 0, &sx, &sy, &cr);
1963 nw = (unsigned int)R->szHint.width;
1964 nh = (unsigned int)R->szHint.height;
1965 nx = ny = 0;
1966 if (sx < 0) {
1967 nw += sx;
1968 nx = -sx;
1969 sx = 0;
1970 }
1971 if (sy < 0) {
1972 nh += sy;
1973 ny = -sy;
1974 sy = 0;
1975 }
1976 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1977 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1978 R->allowedxerror = -1;
1979 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1980 ZPixmap);
1981 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1982 /* XXX: may need a delay here? */
1983 R->allowedxerror = 0;
1984 if (image == NULL) {
1985 if (R->am_transparent && R->am_pixmap_trans) {
1986 pchanged = 1;
1987 if (R->TermWin.pixmap != None) {
1988 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1989 R->TermWin.pixmap = None;
1990 }
1991 }
1992 R->am_pixmap_trans = 0;
1993 } else {
1994 if (R->TermWin.pixmap != None)
1995 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1996 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1997 (unsigned int)R->szHint.width,
1998 (unsigned int)R->szHint.height,
1999 (unsigned int)image->depth);
2000 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
2001 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
2002 nx, ny, (unsigned int)image->width,
2003 (unsigned int)image->height);
2004 XFreeGC(R->Xdisplay, gc);
2005 XDestroyImage(image);
2006 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2007 R->TermWin.pixmap);
2008 if (!R->am_transparent || !R->am_pixmap_trans)
2009 pchanged = 1;
2010 R->am_transparent = R->am_pixmap_trans = 1;
2011 }
2012 }
2013 if (!R->am_pixmap_trans) {
2014 unsigned int n;
2015 /*
2016 * InheritPixmap transparency
2017 */
2018 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
2019 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
2020 i++) {
2021 oldp = R->TermWin.parent[i];
2022 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2023 &R->TermWin.parent[i], &list, &n);
2024 XFree(list);
2025 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2026 if (R->TermWin.parent[i] == Xroot) {
2027 if (oldp != None)
2028 pchanged = 1;
2029 break;
2030 }
2031 if (oldp != R->TermWin.parent[i])
2032 pchanged = 1;
2033 }
2034 n = 0;
2035 if (pchanged) {
2036 for (; n < (unsigned int)i; n++) {
2037 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2038 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2039 if (wattr.depth != rootdepth || wattr.class == InputOnly) {
2040 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2041 break;
2042 }
2043 }
2044 }
2045 if (n > (int)(sizeof(R->TermWin.parent)
2046 / sizeof(R->TermWin.parent[0]))) {
2047 D_X((stderr, "InheritPixmap Turning off"));
2048 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2049 R->PixColors[Color_fg]);
2050 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2051 R->PixColors[Color_bg]);
2052 R->am_transparent = 0;
2053 /* XXX: also turn off Opt_transparent? */
2054 } else {
2055 /* wait (an arbitrary period) for the WM to do its thing
2056 * needed for fvwm2.2.2 (and before?) */
2057 # ifdef HAVE_NANOSLEEP
2058 struct timespec rqt;
2059
2060 rqt.tv_sec = 1;
2061 rqt.tv_nsec = 0;
2062 nanosleep(&rqt, NULL);
2063 # else
2064 sleep(1);
2065 # endif
2066 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2067 for (n = 0; n < (unsigned int)i; n++)
2068 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2069 ParentRelative);
2070 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2071 ParentRelative);
2072 R->am_transparent = 1;
2073 }
2074 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2075 R->TermWin.parent[i] = None;
2076 }
2077 return pchanged;
2078 }
2079 #endif
2080
2081 /*}}} */
2082
2083 /*{{{ print pipe */
2084 /*----------------------------------------------------------------------*/
2085 #ifdef PRINTPIPE
2086 /* EXTPROTO */
2087 FILE *
2088 rxvt_popen_printer(pR)
2089 {
2090 FILE *stream = popen(R->rs[Rs_print_pipe], "w");
2091
2092 if (stream == NULL)
2093 rxvt_print_error("can't open printer pipe");
2094 return stream;
2095 }
2096
2097 /* EXTPROTO */
2098 int
2099 rxvt_pclose_printer(FILE *stream)
2100 {
2101 fflush(stream);
2102 /* pclose() reported not to work on SunOS 4.1.3 */
2103 # if defined (__sun__) /* TODO: RESOLVE THIS */
2104 /* pclose works provided SIGCHLD handler uses waitpid */
2105 return pclose(stream); /* return fclose (stream); */
2106 # else
2107 return pclose(stream);
2108 # endif
2109 }
2110
2111 /*
2112 * simulate attached vt100 printer
2113 */
2114 /* INTPROTO */
2115 void
2116 rxvt_process_print_pipe(pR)
2117 {
2118 int done;
2119 FILE *fd;
2120
2121 if ((fd = rxvt_popen_printer(aR)) == NULL)
2122 return;
2123
2124 /*
2125 * Send all input to the printer until either ESC[4i or ESC[?4i
2126 * is received.
2127 */
2128 for (done = 0; !done;) {
2129 unsigned char buf[8];
2130 unsigned char ch;
2131 unsigned int i, len;
2132
2133 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2134 if (putc(ch, fd) == EOF)
2135 break; /* done = 1 */
2136 } else {
2137 len = 0;
2138 buf[len++] = ch;
2139
2140 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2141 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2142 buf[len++] = '?';
2143 ch = rxvt_cmd_getc(aR);
2144 }
2145 if ((buf[len++] = ch) == '4') {
2146 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2147 break; /* done = 1 */
2148 }
2149 }
2150 for (i = 0; i < len; i++)
2151 if (putc(buf[i], fd) == EOF) {
2152 done = 1;
2153 break;
2154 }
2155 }
2156 }
2157 rxvt_pclose_printer(fd);
2158 }
2159 #endif /* PRINTPIPE */
2160 /*}}} */
2161
2162 /* *INDENT-OFF* */
2163 enum {
2164 C1_40 = 0x40,
2165 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2166 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2167 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2168 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2169 };
2170 /* *INDENT-ON* */
2171
2172 /*{{{ process non-printing single characters */
2173 /* INTPROTO */
2174 void
2175 rxvt_process_nonprinting(pR_ unsigned char ch)
2176 {
2177 switch (ch) {
2178 case C0_ENQ: /* terminal Status */
2179 if (R->rs[Rs_answerbackstring])
2180 R->tt_write(
2181 (const unsigned char *)R->rs[Rs_answerbackstring],
2182 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2183 else
2184 R->tt_write((unsigned char *)VT100_ANS,
2185 (unsigned int)STRLEN(VT100_ANS));
2186 break;
2187 case C0_BEL: /* bell */
2188 rxvt_scr_bell(aR);
2189 break;
2190 case C0_BS: /* backspace */
2191 rxvt_scr_backspace(aR);
2192 break;
2193 case C0_HT: /* tab */
2194 rxvt_scr_tab(aR_ 1);
2195 break;
2196 case C0_CR: /* carriage return */
2197 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2198 break;
2199 case C0_VT: /* vertical tab, form feed */
2200 case C0_FF:
2201 case C0_LF: /* line feed */
2202 rxvt_scr_index(aR_ UP);
2203 break;
2204 case C0_SO: /* shift out - acs */
2205 rxvt_scr_charset_choose(aR_ 1);
2206 break;
2207 case C0_SI: /* shift in - acs */
2208 rxvt_scr_charset_choose(aR_ 0);
2209 break;
2210 }
2211 }
2212 /*}}} */
2213
2214
2215 /*{{{ process VT52 escape sequences */
2216 /* INTPROTO */
2217 void
2218 rxvt_process_escape_vt52(pR_ unsigned char ch)
2219 {
2220 int row, col;
2221
2222 switch (ch) {
2223 case 'A': /* cursor up */
2224 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2225 break;
2226 case 'B': /* cursor down */
2227 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2228 break;
2229 case 'C': /* cursor right */
2230 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2231 break;
2232 case 'D': /* cursor left */
2233 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2234 break;
2235 case 'H': /* cursor home */
2236 rxvt_scr_gotorc(aR_ 0, 0, 0);
2237 break;
2238 case 'I': /* cursor up and scroll down if needed */
2239 rxvt_scr_index(aR_ DN);
2240 break;
2241 case 'J': /* erase to end of screen */
2242 rxvt_scr_erase_screen(aR_ 0);
2243 break;
2244 case 'K': /* erase to end of line */
2245 rxvt_scr_erase_line(aR_ 0);
2246 break;
2247 case 'Y': /* move to specified row and col */
2248 /* full command is 'ESC Y row col' where row and col
2249 * are encoded by adding 32 and sending the ascii
2250 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2251 * etc. */
2252 row = rxvt_cmd_getc(aR) - ' ';
2253 col = rxvt_cmd_getc(aR) - ' ';
2254 rxvt_scr_gotorc(aR_ row, col, 0);
2255 break;
2256 case 'Z': /* identify the terminal type */
2257 R->tt_printf("\033/Z"); /* I am a VT100 emulating a VT52 */
2258 break;
2259 case '<': /* turn off VT52 mode */
2260 PrivMode(0, PrivMode_vt52);
2261 break;
2262 case 'F': /* use special graphics character set */
2263 case 'G': /* use regular character set */
2264 /* unimplemented */
2265 break;
2266 case '=': /* use alternate keypad mode */
2267 case '>': /* use regular keypad mode */
2268 /* unimplemented */
2269 break;
2270 }
2271 }
2272 /*}}} */
2273
2274
2275 /*{{{ process escape sequences */
2276 /* INTPROTO */
2277 void
2278 rxvt_process_escape_seq(pR)
2279 {
2280 unsigned char ch = rxvt_cmd_getc(aR);
2281
2282 if (R->PrivateModes & PrivMode_vt52) {
2283 rxvt_process_escape_vt52(aR_ ch);
2284 return;
2285 }
2286
2287 switch (ch) {
2288 /* case 1: do_tek_mode (); break; */
2289 case '#':
2290 if (rxvt_cmd_getc(aR) == '8')
2291 rxvt_scr_E(aR);
2292 break;
2293 case '(':
2294 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2295 break;
2296 case ')':
2297 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2298 break;
2299 case '*':
2300 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2301 break;
2302 case '+':
2303 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2304 break;
2305 #ifdef MULTICHAR_SET
2306 case '$':
2307 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2308 break;
2309 #endif
2310 #ifndef NO_FRILLS
2311 case '6':
2312 rxvt_scr_backindex(aR);
2313 break;
2314 #endif
2315 case '7':
2316 rxvt_scr_cursor(aR_ SAVE);
2317 break;
2318 case '8':
2319 rxvt_scr_cursor(aR_ RESTORE);
2320 break;
2321 #ifndef NO_FRILLS
2322 case '9':
2323 rxvt_scr_forwardindex(aR);
2324 break;
2325 #endif
2326 case '=':
2327 case '>':
2328 PrivMode((ch == '='), PrivMode_aplKP);
2329 break;
2330
2331 case C1_40:
2332 rxvt_cmd_getc(aR);
2333 break;
2334 case C1_44:
2335 rxvt_scr_index(aR_ UP);
2336 break;
2337
2338 /* 8.3.87: NEXT LINE */
2339 case C1_NEL: /* ESC E */
2340 {
2341 uint32_t nlcr[] = { '\n', '\r' };
2342 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2343 }
2344 break;
2345
2346 /* kidnapped escape sequence: Should be 8.3.48 */
2347 case C1_ESA: /* ESC G */
2348 rxvt_process_graphics(aR);
2349 break;
2350
2351 /* 8.3.63: CHARACTER TABULATION SET */
2352 case C1_HTS: /* ESC H */
2353 rxvt_scr_set_tab(aR_ 1);
2354 break;
2355
2356 /* 8.3.105: REVERSE LINE FEED */
2357 case C1_RI: /* ESC M */
2358 rxvt_scr_index(aR_ DN);
2359 break;
2360
2361 /* 8.3.142: SINGLE-SHIFT TWO */
2362 /*case C1_SS2: scr_single_shift (2); break; */
2363
2364 /* 8.3.143: SINGLE-SHIFT THREE */
2365 /*case C1_SS3: scr_single_shift (3); break; */
2366
2367 /* 8.3.27: DEVICE CONTROL STRING */
2368 case C1_DCS: /* ESC P */
2369 rxvt_process_dcs_seq(aR);
2370 break;
2371
2372 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2373 case C1_SCI: /* ESC Z */
2374 R->tt_write((const unsigned char *)ESCZ_ANSWER,
2375 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2376 break; /* steal obsolete ESC [ c */
2377
2378 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2379 case C1_CSI: /* ESC [ */
2380 rxvt_process_csi_seq(aR);
2381 break;
2382
2383 /* 8.3.90: OPERATING SYSTEM COMMAND */
2384 case C1_OSC: /* ESC ] */
2385 rxvt_process_osc_seq(aR);
2386 break;
2387
2388 /* 8.3.106: RESET TO INITIAL STATE */
2389 case 'c':
2390 rxvt_scr_poweron(aR);
2391 rxvt_scrollbar_show(aR_ 1);
2392 break;
2393
2394 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2395 case 'n':
2396 rxvt_scr_charset_choose(aR_ 2);
2397 break;
2398
2399 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2400 case 'o':
2401 rxvt_scr_charset_choose(aR_ 3);
2402 break;
2403 }
2404 }
2405 /*}}} */
2406
2407 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2408 /* *INDENT-OFF* */
2409 enum {
2410 CSI_ICH = 0x40,
2411 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2412 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2413 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2414 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2415 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2416 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2417 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2418 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2419 };
2420
2421 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2422 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2423 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2424 #define get_byte_array_bit(array, bit) \
2425 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2426
2427 const unsigned char csi_defaults[] = {
2428 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2429 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2430 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2431 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2432 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2433 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2434 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2435 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2436 };
2437 /* *INDENT-ON* */
2438
2439 /* INTPROTO */
2440 void
2441 rxvt_process_csi_seq(pR)
2442 {
2443 unsigned char ch, priv, i;
2444 unsigned int nargs, p;
2445 int n, ndef;
2446 int arg[ESC_ARGS];
2447
2448 for (nargs = ESC_ARGS; nargs > 0;)
2449 arg[--nargs] = 0;
2450
2451 priv = 0;
2452 ch = rxvt_cmd_getc(aR);
2453 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2454 priv = ch;
2455 ch = rxvt_cmd_getc(aR);
2456 }
2457 /* read any numerical arguments */
2458 for (n = -1; ch < CSI_ICH; ) {
2459 if (isdigit(ch)) {
2460 if (n < 0)
2461 n = ch - '0';
2462 else
2463 n = n * 10 + ch - '0';
2464 } else if (ch == ';') {
2465 if (nargs < ESC_ARGS)
2466 arg[nargs++] = n;
2467 n = -1;
2468 } else if (ch == '\b') {
2469 rxvt_scr_backspace(aR);
2470 } else if (ch == C0_ESC) {
2471 rxvt_process_escape_seq(aR);
2472 return;
2473 } else if (ch < ' ') {
2474 rxvt_process_nonprinting(aR_ ch);
2475 }
2476 ch = rxvt_cmd_getc(aR);
2477 }
2478
2479 if (ch > CSI_7F)
2480 return;
2481
2482 if (nargs < ESC_ARGS)
2483 arg[nargs++] = n;
2484
2485 i = ch - CSI_ICH;
2486 ndef = get_byte_array_bit(csi_defaults, i);
2487 for (p = 0; p < nargs; p++)
2488 if (arg[p] == -1)
2489 arg[p] = ndef;
2490
2491 #ifdef DEBUG_CMD
2492 fprintf(stderr, "CSI ");
2493 for (p = 0; p < nargs; p++)
2494 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2495 fprintf(stderr, "%c\n", ch);
2496 #endif
2497
2498 /*
2499 * private mode handling
2500 */
2501 if (priv) {
2502 switch (priv) {
2503 case '>':
2504 if (ch == CSI_DA) /* secondary device attributes */
2505 R->tt_printf("\033[>%d;%-.8s;0c", 'R', VSTRING);
2506 break;
2507 case '?':
2508 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2509 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2510 break;
2511 }
2512 return;
2513 }
2514
2515 switch (ch) {
2516 /*
2517 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2518 */
2519 #ifdef PRINTPIPE
2520 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2521 switch (arg[0]) {
2522 case 0: /* initiate transfer to primary aux device */
2523 rxvt_scr_printscreen(aR_ 0);
2524 break;
2525 case 5: /* start relay to primary aux device */
2526 rxvt_process_print_pipe(aR);
2527 break;
2528 }
2529 break;
2530 #endif
2531
2532 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2533 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2534 arg[0] = -arg[0];
2535 /* FALLTHROUGH */
2536 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2537 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2538 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2539 break;
2540
2541 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2542 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2543 #ifdef ISO6429
2544 arg[0] = -arg[0];
2545 #else /* emulate common DEC VTs */
2546 arg[0] = arg[0] ? -arg[0] : -1;
2547 #endif
2548 /* FALLTHROUGH */
2549 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2550 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2551 #ifdef ISO6429
2552 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2553 #else /* emulate common DEC VTs */
2554 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2555 #endif
2556 break;
2557
2558 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2559 arg[0] = -arg[0];
2560 /* FALLTHROUGH */
2561 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2562 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2563 break;
2564
2565 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2566 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2567 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2568 break;
2569
2570 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2571 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2572 break;
2573
2574 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2575 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2576 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2577 break;
2578
2579 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2580 arg[0] = -arg[0];
2581 /* FALLTHROUGH */
2582 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2583 rxvt_scr_tab(aR_ arg[0]);
2584 break;
2585
2586 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2587 rxvt_scr_erase_screen(aR_ arg[0]);
2588 break;
2589
2590 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2591 rxvt_scr_erase_line(aR_ arg[0]);
2592 break;
2593
2594 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2595 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2596 break;
2597
2598 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2599 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2600 break;
2601
2602 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2603 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2604 break;
2605
2606 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2607 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2608 break;
2609
2610 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2611 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2612 break;
2613
2614 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2615 arg[0] = -arg[0];
2616 /* FALLTHROUGH */
2617 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2618 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2619 break;
2620
2621 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2622 R->tt_write((const unsigned char *)VT100_ANS,
2623 (unsigned int)(sizeof(VT100_ANS) - 1));
2624 break;
2625
2626 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2627 rxvt_process_sgr_mode(aR_ nargs, arg);
2628 break;
2629
2630 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2631 switch (arg[0]) {
2632 case 5: /* DSR requested */
2633 R->tt_printf("\033[0n");
2634 break;
2635 case 6: /* CPR requested */
2636 rxvt_scr_report_position(aR);
2637 break;
2638 #if defined (ENABLE_DISPLAY_ANSWER)
2639 case 7: /* unofficial extension */
2640 R->tt_printf("%-.250s\n", R->rs[Rs_display_name]);
2641 break;
2642 #endif
2643 case 8: /* unofficial extension */
2644 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2645 break;
2646 }
2647 break;
2648
2649 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2650 switch (arg[0]) {
2651 case 0: /* char tab stop cleared at active position */
2652 rxvt_scr_set_tab(aR_ 0);
2653 break;
2654 /* case 1: */ /* line tab stop cleared in active line */
2655 /* case 2: */ /* char tab stops cleared in active line */
2656 case 3: /* all char tab stops are cleared */
2657 /* case 4: */ /* all line tab stops are cleared */
2658 case 5: /* all tab stops are cleared */
2659 rxvt_scr_set_tab(aR_ -1);
2660 break;
2661 }
2662 break;
2663
2664 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2665 switch (arg[0]) {
2666 case 0: /* char tab stop set at active position */
2667 rxvt_scr_set_tab(aR_ 1);
2668 break; /* = ESC H */
2669 /* case 1: */ /* line tab stop set at active line */
2670 case 2: /* char tab stop cleared at active position */
2671 rxvt_scr_set_tab(aR_ 0);
2672 break; /* = ESC [ 0 g */
2673 /* case 3: */ /* line tab stop cleared at active line */
2674 /* case 4: */ /* char tab stops cleared at active line */
2675 case 5: /* all char tab stops are cleared */
2676 rxvt_scr_set_tab(aR_ -1);
2677 break; /* = ESC [ 3 g */
2678 /* case 6: */ /* all line tab stops are cleared */
2679 }
2680 break;
2681
2682 case CSI_RM: /* 8.3.107: RESET MODE */
2683 if (arg[0] == 4)
2684 rxvt_scr_insert_mode(aR_ 0);
2685 break;
2686
2687 case CSI_SM: /* 8.3.126: SET MODE */
2688 if (arg[0] == 4)
2689 rxvt_scr_insert_mode(aR_ 1);
2690 break;
2691
2692 /*
2693 * PRIVATE USE beyond this point. All CSI_7? sequences here
2694 */
2695 case CSI_72: /* DECSTBM: set top and bottom margins */
2696 if (nargs == 1)
2697 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2698 else if (nargs == 0 || arg[0] >= arg[1])
2699 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2700 else
2701 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2702 break;
2703
2704 case CSI_73:
2705 rxvt_scr_cursor(aR_ SAVE);
2706 break;
2707 case CSI_75:
2708 rxvt_scr_cursor(aR_ RESTORE);
2709 break;
2710
2711 #ifndef NO_FRILLS
2712 case CSI_74:
2713 rxvt_process_window_ops(aR_ arg, nargs);
2714 break;
2715 #endif
2716
2717 case CSI_78: /* DECREQTPARM */
2718 if (arg[0] == 0 || arg[0] == 1)
2719 R->tt_printf("\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2720 /* FALLTHROUGH */
2721
2722 default:
2723 break;
2724 }
2725 }
2726 /*}}} */
2727
2728 #ifndef NO_FRILLS
2729 /* ARGSUSED */
2730 /* INTPROTO */
2731 void
2732 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2733 {
2734 int x, y;
2735 #if 0
2736 char *s;
2737 #endif
2738 XWindowAttributes wattr;
2739 Window wdummy;
2740
2741 if (nargs == 0)
2742 return;
2743 switch (args[0]) {
2744 /*
2745 * commands
2746 */
2747 case 1: /* deiconify window */
2748 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2749 break;
2750 case 2: /* iconify window */
2751 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2752 DefaultScreen(R->Xdisplay));
2753 break;
2754 case 3: /* set position (pixels) */
2755 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2756 break;
2757 case 4: /* set size (pixels) */
2758 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2759 break;
2760 case 5: /* raise window */
2761 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2762 break;
2763 case 6: /* lower window */
2764 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2765 break;
2766 case 7: /* refresh window */
2767 rxvt_scr_touch(aR_ True);
2768 break;
2769 case 8: /* set size (chars) */
2770 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2771 (unsigned int)(args[1] * R->TermWin.fheight));
2772 break;
2773 default:
2774 if (args[0] >= 24) /* set height (chars) */
2775 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2776 (unsigned int)(args[1] * R->TermWin.fheight));
2777 break;
2778 /*
2779 * reports - some output format copied from XTerm
2780 */
2781 case 11: /* report window state */
2782 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2783 R->tt_printf("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2784 break;
2785 case 13: /* report window position */
2786 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2787 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2788 -wattr.border_width, -wattr.border_width,
2789 &x, &y, &wdummy);
2790 R->tt_printf("\033[3;%d;%dt", x, y);
2791 break;
2792 case 14: /* report window size (pixels) */
2793 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2794 R->tt_printf("\033[4;%d;%dt", wattr.height, wattr.width);
2795 break;
2796 case 18: /* report window size (chars) */
2797 R->tt_printf("\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2798 break;
2799 #if 0 /* XXX: currently disabled due to security concerns */
2800 case 20: /* report icon label */
2801 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2802 R->tt_printf("\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2803 break;
2804 case 21: /* report window title */
2805 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2806 R->tt_printf("\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2807 break;
2808 #endif
2809 }
2810 }
2811 #endif
2812
2813 /*----------------------------------------------------------------------*/
2814 /*
2815 * get input up until STRING TERMINATOR (or BEL)
2816 * ends_how is terminator used. returned input must be free()d
2817 */
2818 /* INTPROTO */
2819 unsigned char *
2820 rxvt_get_to_st(pR_ unsigned char *ends_how)
2821 {
2822 int seen_esc = 0; /* seen escape? */
2823 unsigned int n = 0;
2824 unsigned char *s;
2825 unsigned char ch, string[STRING_MAX];
2826
2827 for (; (ch = rxvt_cmd_getc(aR));) {
2828 if (ch == C0_BEL
2829 || ch == CHAR_ST
2830 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2831 break;
2832 if (ch == C0_ESC) {
2833 seen_esc = 1;
2834 continue;
2835 } else if (ch == '\t')
2836 ch = ' '; /* translate '\t' to space */
2837 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2838 return NULL; /* other control character - exit */
2839 if (n < sizeof(string) - 1)
2840 string[n++] = ch;
2841 seen_esc = 0;
2842 }
2843 string[n++] = '\0';
2844 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2845 return NULL;
2846 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2847 STRNCPY(s, string, n);
2848 return s;
2849 }
2850
2851 /*----------------------------------------------------------------------*/
2852 /*
2853 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2854 */
2855 /* INTPROTO */
2856 void
2857 rxvt_process_dcs_seq(pR)
2858 {
2859 unsigned char eh, *s;
2860 /*
2861 * Not handled yet
2862 */
2863 s = rxvt_get_to_st(aR_ &eh);
2864 if (s)
2865 free(s);
2866 return;
2867 }
2868
2869 /*----------------------------------------------------------------------*/
2870 /*
2871 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2872 */
2873 /* INTPROTO */
2874 void
2875 rxvt_process_osc_seq(pR)
2876 {
2877 unsigned char ch, eh, *s;
2878 int arg;
2879
2880 ch = rxvt_cmd_getc(aR);
2881 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2882 arg = arg * 10 + (ch - '0');
2883
2884 if (ch == ';') {
2885 s = rxvt_get_to_st(aR_ &eh);
2886 if (s) {
2887 /*
2888 * rxvt_menubar_dispatch() violates the constness of the string,
2889 * so do it here
2890 */
2891 if (arg == XTerm_Menu)
2892 #if 0 /* XXX: currently disabled due to security concerns */
2893 rxvt_menubar_dispatch(aR_ (char *)s);
2894 #else
2895 0;
2896 #endif
2897 else
2898 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2899 free(s);
2900 }
2901 }
2902 }
2903 /*
2904 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2905 * 0 = change iconName/title
2906 * 1 = change iconName
2907 * 2 = change title
2908 * 4 = change color
2909 * 12 = change text color
2910 * 13 = change mouse foreground color
2911 * 17 = change highlight character colour
2912 * 18 = change bold character color
2913 * 19 = change underlined character color
2914 * 46 = change logfile (not implemented)
2915 * 50 = change font
2916 *
2917 * rxvt extensions:
2918 * 10 = menu (may change in future)
2919 * 20 = bg pixmap
2920 * 39 = change default fg color
2921 * 49 = change default bg color
2922 * 55 = dump scrollback buffer and all of screen
2923 */
2924 /* EXTPROTO */
2925 void
2926 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2927 {
2928 int changed = 0;
2929 int color;
2930 char *buf, *name;
2931
2932 assert(str != NULL);
2933 switch (op) {
2934 case XTerm_name:
2935 rxvt_set_title(aR_ str);
2936 /* FALLTHROUGH */
2937 case XTerm_iconName:
2938 rxvt_set_iconName(aR_ str);
2939 break;
2940 case XTerm_title:
2941 rxvt_set_title(aR_ str);
2942 break;
2943 case XTerm_Color:
2944 for (buf = (char *)str; buf && *buf;) {
2945 if ((name = STRCHR(buf, ';')) == NULL)
2946 break;
2947 *name++ = '\0';
2948 color = atoi(buf);
2949 if (color < 0 || color >= TOTAL_COLORS)
2950 break;
2951 if ((buf = STRCHR(name, ';')) != NULL)
2952 *buf++ = '\0';
2953 rxvt_set_window_color(aR_ color + minCOLOR, name);
2954 }
2955 break;
2956 #ifndef NO_CURSORCOLOR
2957 case XTerm_Color_cursor:
2958 rxvt_set_window_color(aR_ Color_cursor, str);
2959 break;
2960 #endif
2961 case XTerm_Color_pointer:
2962 rxvt_set_window_color(aR_ Color_pointer, str);
2963 break;
2964 #ifndef NO_BOLD_UNDERLINE_REVERSE
2965 case XTerm_Color_BD:
2966 rxvt_set_window_color(aR_ Color_BD, str);
2967 break;
2968 case XTerm_Color_UL:
2969 rxvt_set_window_color(aR_ Color_UL, str);
2970 break;
2971 case XTerm_Color_RV:
2972 rxvt_set_window_color(aR_ Color_RV, str);
2973 break;
2974 #endif
2975
2976 case XTerm_Menu:
2977 /*
2978 * rxvt_menubar_dispatch() violates the constness of the string,
2979 * so DON'T do it here
2980 */
2981 break;
2982 case XTerm_Pixmap:
2983 if (*str != ';') {
2984 #if XPM_BACKGROUND
2985 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2986 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2987 #endif
2988 rxvt_scr_touch(aR_ True);
2989 }
2990 while ((str = STRCHR(str, ';')) != NULL) {
2991 str++;
2992 #if XPM_BACKGROUND
2993 changed += rxvt_scale_pixmap(aR_ str);
2994 #endif
2995 }
2996 if (changed) {
2997 #ifdef XPM_BACKGROUND
2998 rxvt_resize_pixmap(aR);
2999 #endif
3000 rxvt_scr_touch(aR_ True);
3001 }
3002 break;
3003
3004 case XTerm_restoreFG:
3005 rxvt_set_window_color(aR_ Color_fg, str);
3006 break;
3007 case XTerm_restoreBG:
3008 rxvt_set_window_color(aR_ Color_bg, str);
3009 break;
3010 case XTerm_logfile:
3011 break;
3012 case XTerm_font:
3013 rxvt_change_font(aR_ 0, str);
3014 break;
3015 #if 0
3016 case XTerm_dumpscreen: /* no error notices */
3017 {
3018 int fd;
3019 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
3020 rxvt_scr_dump(aR_ fd);
3021 close(fd);
3022 }
3023 }
3024 break;
3025 #endif
3026 }
3027 }
3028 /*----------------------------------------------------------------------*/
3029
3030 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
3031 /*
3032 * mode can only have the following values:
3033 * 'l' = low
3034 * 'h' = high
3035 * 's' = save
3036 * 'r' = restore
3037 * 't' = toggle
3038 * so no need for fancy checking
3039 */
3040 /* INTPROTO */
3041 int
3042 rxvt_privcases(pR_ int mode, unsigned long bit)
3043 {
3044 int state;
3045
3046 if (mode == 's') {
3047 R->SavedModes |= (R->PrivateModes & bit);
3048 return -1;
3049 } else {
3050 if (mode == 'r')
3051 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */
3052 else
3053 state = (mode == 't') ? !(R->PrivateModes & bit) : mode;
3054 PrivMode(state, bit);
3055 }
3056 return state;
3057 }
3058
3059 /* we're not using priv _yet_ */
3060 /* INTPROTO */
3061 void
3062 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3063 {
3064 unsigned int i, j;
3065 int state;
3066 static const struct {
3067 const int argval;
3068 const unsigned long bit;
3069 } argtopriv[] = {
3070 { 1, PrivMode_aplCUR },
3071 { 2, PrivMode_vt52 },
3072 { 3, PrivMode_132 },
3073 { 4, PrivMode_smoothScroll },
3074 { 5, PrivMode_rVideo },
3075 { 6, PrivMode_relOrigin },
3076 { 7, PrivMode_Autowrap },
3077 { 9, PrivMode_MouseX10 },
3078 #ifdef menuBar_esc
3079 { menuBar_esc, PrivMode_menuBar },
3080 #endif
3081 #ifdef scrollBar_esc
3082 { scrollBar_esc, PrivMode_scrollBar },
3083 #endif
3084 { 25, PrivMode_VisibleCursor },
3085 { 35, PrivMode_ShiftKeys },
3086 { 40, PrivMode_132OK },
3087 { 47, PrivMode_Screen },
3088 { 66, PrivMode_aplKP },
3089 #ifndef NO_BACKSPACE_KEY
3090 { 67, PrivMode_BackSpace },
3091 #endif
3092 { 1000, PrivMode_MouseX11 },
3093 { 1010, PrivMode_TtyOutputInh },
3094 { 1011, PrivMode_Keypress },
3095 { 1047, PrivMode_Screen },
3096 };
3097
3098 if (nargs == 0)
3099 return;
3100
3101 /* make lo/hi boolean */
3102 if (mode == 'l')
3103 mode = 0; /* reset */
3104 else if (mode == 'h')
3105 mode = 1; /* set */
3106
3107 for (i = 0; i < nargs; i++) {
3108 state = -1;
3109
3110 /* basic handling */
3111 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3112 if (argtopriv[j].argval == arg[i]) {
3113 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3114 break;
3115 }
3116
3117 /* extra handling for values with state unkept */
3118 if (state == -1)
3119 switch (arg[i]) {
3120 case 1048: /* alternative cursor save */
3121 if (mode == 0)
3122 rxvt_scr_cursor(aR_ RESTORE);
3123 else if (mode == 1)
3124 rxvt_scr_cursor(aR_ SAVE);
3125 /* FALLTHROUGH */
3126 default:
3127 continue; /* for(;i;) */
3128 }
3129
3130 /* extra handling for values with valid 0 or 1 state */
3131 switch (arg[i]) {
3132 /* case 1: - application cursor keys */
3133 case 2: /* VT52 mode */
3134 /* oddball mode. should be set regardless of set/reset
3135 * parameter. Return from VT52 mode with an ESC < from
3136 * within VT52 mode
3137 */
3138 PrivMode(1, PrivMode_vt52);
3139 break;
3140 case 3: /* 80/132 */
3141 if (R->PrivateModes & PrivMode_132OK)
3142 rxvt_set_widthheight(aR_
3143 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3144 (unsigned int)R->TermWin.height);
3145 break;
3146 case 4: /* smooth scrolling */
3147 if (state)
3148 R->Options &= ~Opt_jumpScroll;
3149 else
3150 R->Options |= Opt_jumpScroll;
3151 break;
3152 case 5: /* reverse video */
3153 rxvt_scr_rvideo_mode(aR_ state);
3154 break;
3155 case 6: /* relative/absolute origins */
3156 rxvt_scr_relative_origin(aR_ state);
3157 break;
3158 case 7: /* autowrap */
3159 rxvt_scr_autowrap(aR_ state);
3160 break;
3161 /* case 8: - auto repeat, can't do on a per window basis */
3162 case 9: /* X10 mouse reporting */
3163 if (state) /* orthogonal */
3164 R->PrivateModes &= ~(PrivMode_MouseX11);
3165 break;
3166 #ifdef menuBar_esc
3167 case menuBar_esc:
3168 #ifdef MENUBAR
3169 rxvt_map_menuBar(aR_ state);
3170 #endif
3171 break;
3172 #endif
3173 #ifdef scrollBar_esc
3174 case scrollBar_esc:
3175 if (rxvt_scrollbar_mapping(aR_ state)) {
3176 rxvt_resize_all_windows(aR_ 0, 0, 0);
3177 rxvt_scr_touch(aR_ True);
3178 }
3179 break;
3180 #endif
3181 case 25: /* visible/invisible cursor */
3182 rxvt_scr_cursor_visible(aR_ state);
3183 break;
3184 /* case 35: - shift keys */
3185 /* case 40: - 80 <--> 132 mode */
3186 case 47: /* secondary screen */
3187 rxvt_scr_change_screen(aR_ state);
3188 break;
3189 /* case 66: - application key pad */
3190 /* case 67: - backspace key */
3191 case 1000: /* X11 mouse reporting */
3192 if (state) /* orthogonal */
3193 R->PrivateModes &= ~(PrivMode_MouseX10);
3194 break;
3195 #if 0
3196 case 1001:
3197 break; /* X11 mouse highlighting */
3198 #endif
3199 case 1010: /* scroll to bottom on TTY output inhibit */
3200 if (state)
3201 R->Options &= ~Opt_scrollTtyOutput;
3202 else
3203 R->Options |= Opt_scrollTtyOutput;
3204 break;
3205 case 1011: /* scroll to bottom on key press */
3206 if (state)
3207 R->Options |= Opt_scrollTtyKeypress;
3208 else
3209 R->Options &= ~Opt_scrollTtyKeypress;
3210 break;
3211 case 1047: /* secondary screen w/ clearing */
3212 if (R->current_screen != PRIMARY)
3213 rxvt_scr_erase_screen(aR_ 2);
3214 rxvt_scr_change_screen(aR_ state);
3215 /* FALLTHROUGH */
3216 default:
3217 break;
3218 }
3219 }
3220 }
3221 /*}}} */
3222
3223 /*{{{ process sgr sequences */
3224 /* INTPROTO */
3225 void
3226 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3227 {
3228 unsigned int i;
3229 short rendset;
3230 int rendstyle;
3231
3232 if (nargs == 0) {
3233 rxvt_scr_rendition(aR_ 0, ~RS_None);
3234 return;
3235 }
3236 for (i = 0; i < nargs; i++) {
3237 rendset = -1;
3238 switch (arg[i]) {
3239 case 0:
3240 rendset = 0, rendstyle = ~RS_None;
3241 break;
3242 case 1:
3243 rendset = 1, rendstyle = RS_Bold;
3244 break;
3245 case 4:
3246 rendset = 1, rendstyle = RS_Uline;
3247 break;
3248 case 5:
3249 rendset = 1, rendstyle = RS_Blink;
3250 break;
3251 case 7:
3252 rendset = 1, rendstyle = RS_RVid;
3253 break;
3254 case 22:
3255 rendset = 0, rendstyle = RS_Bold;
3256 break;
3257 case 24:
3258 rendset = 0, rendstyle = RS_Uline;
3259 break;
3260 case 25:
3261 rendset = 0, rendstyle = RS_Blink;
3262 break;
3263 case 27:
3264 rendset = 0, rendstyle = RS_RVid;
3265 break;
3266 }
3267 if (rendset != -1) {
3268 rxvt_scr_rendition(aR_ rendset, rendstyle);
3269 continue; /* for(;i;) */
3270 }
3271
3272 switch (arg[i]) {
3273 case 30:
3274 case 31: /* set fg color */
3275 case 32:
3276 case 33:
3277 case 34:
3278 case 35:
3279 case 36:
3280 case 37:
3281 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3282 Color_fg);
3283 break;
3284 #ifdef TTY_256COLOR
3285 case 38:
3286 if (nargs > i + 2 && arg[i + 1] == 5) {
3287 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3288 Color_fg);
3289 i += 2;
3290 }
3291 break;
3292 #endif
3293 case 39: /* default fg */
3294 rxvt_scr_color(aR_ Color_fg, Color_fg);
3295 break;
3296
3297 case 40:
3298 case 41: /* set bg color */
3299 case 42:
3300 case 43:
3301 case 44:
3302 case 45:
3303 case 46:
3304 case 47:
3305 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3306 Color_bg);
3307 break;
3308 #ifdef TTY_256COLOR
3309 case 48:
3310 if (nargs > i + 2 && arg[i + 1] == 5) {
3311 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3312 Color_bg);
3313 i += 2;
3314 }
3315 break;
3316 #endif
3317 case 49: /* default bg */
3318 rxvt_scr_color(aR_ Color_bg, Color_bg);
3319 break;
3320
3321 #ifndef NO_BRIGHTCOLOR
3322 case 90:
3323 case 91: /* set bright fg color */
3324 case 92:
3325 case 93:
3326 case 94:
3327 case 95:
3328 case 96:
3329 case 97:
3330 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3331 Color_fg);
3332 break;
3333 case 100:
3334 case 101: /* set bright bg color */
3335 case 102:
3336 case 103:
3337 case 104:
3338 case 105:
3339 case 106:
3340 case 107:
3341 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3342 Color_bg);
3343 break;
3344 #endif
3345 }
3346 }
3347 }
3348 /*}}} */
3349
3350 /*{{{ process Rob Nation's own graphics mode sequences */
3351 /* INTPROTO */
3352 void
3353 rxvt_process_graphics(pR)
3354 {
3355 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3356
3357 #ifndef RXVT_GRAPHICS
3358 if (cmd == 'Q') { /* query graphics */
3359 R->tt_printf("\033G0\n"); /* no graphics */
3360 return;
3361 }
3362 /* swallow other graphics sequences until terminating ':' */
3363 do
3364 ch = rxvt_cmd_getc(aR);
3365 while (ch != ':');
3366 #else
3367 unsigned int nargs;
3368 int args[NGRX_PTS];
3369 unsigned char *text = NULL;
3370
3371 if (cmd == 'Q') { /* query graphics */
3372 R->tt_printf("\033G1\n"); /* yes, graphics (color) */
3373 return;
3374 }
3375 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3376 int neg;
3377
3378 ch = rxvt_cmd_getc(aR);
3379 neg = (ch == '-');
3380 if (neg || ch == '+')
3381 ch = rxvt_cmd_getc(aR);
3382
3383 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3384 args[nargs] = args[nargs] * 10 + (ch - '0');
3385 if (neg)
3386 args[nargs] = -args[nargs];
3387
3388 nargs++;
3389 args[nargs] = 0;
3390 if (ch != ';')
3391 break;
3392 }
3393
3394 if ((cmd == 'T') && (nargs >= 5)) {
3395 int i, len = args[4];
3396
3397 text = rxvt_malloc((len + 1) * sizeof(char));
3398
3399 if (text != NULL) {
3400 for (i = 0; i < len; i++)
3401 text[i] = rxvt_cmd_getc(aR);
3402 text[len] = '\0';
3403 }
3404 }
3405 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3406 #endif
3407 }
3408 /*}}} */
3409
3410 /* ------------------------------------------------------------------------- */
3411
3412 /*
3413 * Send printf() formatted output to the command.
3414 * Only use for small amounts of data.
3415 */
3416 void
3417 rxvt_term::tt_printf (const char *fmt,...)
3418 {
3419 va_list arg_ptr;
3420 unsigned char buf[256];
3421
3422 va_start (arg_ptr, fmt);
3423 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3424 va_end (arg_ptr);
3425 tt_write (buf, STRLEN (buf));
3426 }
3427
3428 /* ---------------------------------------------------------------------- */
3429 /* Write data to the pty as typed by the user, pasted with the mouse,
3430 * or generated by us in response to a query ESC sequence.
3431 */
3432 void
3433 rxvt_term::tt_write (const unsigned char *data, unsigned int len)
3434 {
3435 enum { MAX_PTY_WRITE = 255 }; // minimum MAX_INPUT
3436
3437 if (len)
3438 {
3439 if (v_buflen == 0)
3440 {
3441 int written = write (cmd_fd, data, min (MAX_PTY_WRITE, len));
3442 if (written == len)
3443 return;
3444
3445 data += written;
3446 len -= written;
3447 }
3448
3449
3450 v_buffer = (unsigned char *)realloc (v_buffer, v_buflen + len);
3451
3452 memcpy (v_buffer + v_buflen, data, len);
3453 v_buflen += len;
3454 }
3455
3456 for (;;)
3457 {
3458 int written = write (cmd_fd, v_buffer, min (MAX_PTY_WRITE, v_buflen));
3459
3460 if (written > 0)
3461 {
3462 v_buflen -= written;
3463
3464 if (v_buflen == 0)
3465 {
3466 free (v_buffer);
3467 v_buffer = 0;
3468 v_buflen = 0;
3469
3470 pty_ev.set (EVENT_READ);
3471 return;
3472 }
3473
3474 memmove (v_buffer, v_buffer + written, v_buflen);
3475 }
3476 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3477 // original code just ignores this...
3478 destroy ();
3479 else
3480 {
3481 pty_ev.set (EVENT_READ | EVENT_WRITE);
3482 return;
3483 }
3484 }
3485 }
3486
3487 /*----------------------- end-of-file (C source) -----------------------*/
3488