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Revision: 1.12
Committed: Fri Dec 5 04:05:13 2003 UTC (20 years, 5 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.11: +107 -102 lines
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File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.11 2003/12/02 21:49:46 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::flush ()
662 {
663 #ifdef TRANSPARENT
664 if (want_full_refresh)
665 {
666 want_full_refresh = 0;
667 rxvt_scr_clear (this);
668 rxvt_scr_touch (this, False);
669 want_refresh = 1;
670 }
671 #endif
672
673 if (want_refresh)
674 {
675 rxvt_scr_refresh (this, refresh_type);
676 rxvt_scrollbar_show (this, 1);
677 #ifdef USE_XIM
678 rxvt_IMSendSpot (this);
679 #endif
680 }
681
682 XFlush (Xdisplay);
683 #if 0
684 if (XPending (Xdisplay)) process_x_events ();
685 if (XPending (Xdisplay)) process_x_events ();
686 #endif
687 }
688
689 void
690 rxvt_term::check_cb (check_watcher &w)
691 {
692 SET_R (this);
693
694 flush ();
695 }
696
697 void
698 rxvt_term::process_x_events ()
699 {
700 do
701 {
702 XEvent xev;
703
704 XNextEvent (Xdisplay, &xev);
705
706 #if defined(CURSOR_BLINK)
707 if ((Options & Opt_cursorBlink)
708 && xev.type == KeyPress)
709 {
710 if (hidden_cursor)
711 {
712 hidden_cursor = 0;
713 want_refresh = 1;
714 }
715
716 blink_ev.start (NOW + BLINK_INTERVAL);
717 }
718 #endif
719
720 #if defined(POINTER_BLANK)
721 if ((Options & Opt_pointerBlank)
722 && (pointerBlankDelay > 0))
723 {
724 if (xev.type == MotionNotify
725 || xev.type == ButtonPress
726 || xev.type == ButtonRelease)
727 if (hidden_pointer)
728 pointer_unblank ();
729
730 if (xev.type == KeyPress && hidden_pointer == 0)
731 pointer_blank ();
732 }
733 #endif
734
735 #ifdef USE_XIM
736 if (!XFilterEvent (&xev, xev.xany.window))
737 #endif
738 rxvt_process_x_event (this, &xev);
739 }
740 while (XPending (Xdisplay));
741 }
742
743 void
744 rxvt_term::blink_cb (time_watcher &w)
745 {
746 SET_R (this);
747
748 w.at += BLINK_INTERVAL;
749 hidden_cursor = !hidden_cursor;
750 want_refresh = 1;
751 }
752
753 void
754 rxvt_term::x_cb (io_watcher &w, short revents)
755 {
756 SET_R (this);
757
758 process_x_events ();
759 }
760
761 bool
762 rxvt_term::pty_fill ()
763 {
764 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
765
766 memmove (cmdbuf_base, cmdbuf_ptr, n);
767 cmdbuf_ptr = cmdbuf_base;
768 cmdbuf_endp = cmdbuf_ptr + n;
769
770 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n);
771
772 if (n > 0)
773 {
774 cmdbuf_endp += n;
775 return true;
776 }
777 else if (n < 0 && errno == EAGAIN)
778 return false;
779
780 destroy ();
781 }
782
783 void
784 rxvt_term::pty_cb (io_watcher &w, short revents)
785 {
786 SET_R (this);
787
788 if (revents & EVENT_WRITE)
789 tt_write (0, 0);
790 else if (revents & EVENT_READ)
791 {
792 bool flag = true;
793
794 // loop, but don't allow a single term to monopolize us
795 // the number of loops is fully arbitrary, and thus wrong
796 while (flag && pty_fill ())
797 {
798 if (!seen_input)
799 {
800 seen_input = 1;
801 /* once we know the shell is running, send the screen size. Again! */
802 tt_winch ();
803 }
804
805 uint32_t ch = NOCHAR;
806
807 for (;;)
808 {
809 if (ch == NOCHAR)
810 ch = next_char ();
811
812 if (ch == NOCHAR) // TODO: improve
813 break;
814
815 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
816 {
817 /* Read a text string from the input buffer */
818 uint32_t buf[BUFSIZ];
819 bool refreshnow = false;
820 int nlines = 0;
821 uint32_t *str = buf;
822
823 *str++ = ch;
824
825 for (;;)
826 {
827 ch = next_char ();
828
829 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
830 break;
831 else
832 {
833 *str++ = ch;
834
835 if (ch == '\n')
836 {
837 nlines++;
838 refresh_count++;
839
840 if (!(Options & Opt_jumpScroll)
841 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
842 {
843 refreshnow = true;
844 flag = false;
845 ch = NOCHAR;
846 break;
847 }
848 }
849
850 if (str >= buf + BUFSIZ)
851 {
852 ch = NOCHAR;
853 break;
854 }
855 }
856 }
857
858 rxvt_scr_add_lines (this, buf, nlines, str - buf);
859
860 /*
861 * If there have been a lot of new lines, then update the screen
862 * What the heck I'll cheat and only refresh less than every page-full.
863 * the number of pages between refreshes is refresh_limit, which
864 * is incremented here because we must be doing flat-out scrolling.
865 *
866 * refreshing should be correct for small scrolls, because of the
867 * time-out
868 */
869 if (refreshnow)
870 {
871 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
872 refresh_limit++;
873
874 rxvt_scr_refresh (this, refresh_type);
875 }
876
877 }
878 else
879 {
880 switch (ch)
881 {
882 default:
883 rxvt_process_nonprinting (this, ch);
884 break;
885 case C0_ESC: /* escape char */
886 rxvt_process_escape_seq (this);
887 break;
888 /*case 0x9b: */ /* CSI */
889 /* rxvt_process_csi_seq (this); */
890 }
891
892 ch = NOCHAR;
893 }
894 }
895 }
896 }
897 }
898
899 // read the next character, currently handles UTF-8
900 // will probably handle all sorts of other stuff in the future
901 uint32_t
902 rxvt_term::next_char ()
903 {
904 struct mbstate &s = mbstate;
905
906 while (cmdbuf_ptr < cmdbuf_endp)
907 {
908 uint8_t ch = *cmdbuf_ptr;
909
910 if (s.cnt)
911 {
912 if ((ch & 0xc0) == 0x80)
913 {
914 cmdbuf_ptr++;
915
916 /* continuation */
917 s.reg = (s.reg << 6) | (ch & 0x7f);
918
919 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
920 return s.reg;
921
922 continue;
923 }
924 else
925 {
926 s.cnt = 0;
927 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */
928 }
929 }
930
931 if ((ch & 0xc0) == 0xc0)
932 {
933 cmdbuf_ptr++;
934
935 /* first byte */
936 s.orig = ch; /* for broken encodings */
937 s.reg = ch;
938 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; }
939 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; }
940 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; }
941 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; }
942 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; }
943 }
944 else
945 {
946 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */
947 return ch;
948 }
949 }
950
951 return NOCHAR;
952 }
953
954 /* rxvt_cmd_getc() - Return next input character */
955 /*
956 * Return the next input character after first passing any keyboard input
957 * to the command.
958 */
959 /* INTPROTO */
960 uint32_t
961 rxvt_cmd_getc(pR)
962 {
963 for (;;)
964 {
965 uint32_t c = R->next_char ();
966 if (c != NOCHAR)
967 return c;
968
969 // incomplete sequences should occur rarely, still, a better solution
970 // would be preferred. either setjmp/longjmp or better design.
971 fcntl (R->cmd_fd, F_SETFL, 0);
972 R->pty_fill ();
973 fcntl (R->cmd_fd, F_SETFL, O_NONBLOCK);
974 }
975
976 #if 0
977 #define TIMEOUT_USEC 5000
978 fd_set readfds;
979 int quick_timeout, select_res;
980 int want_motion_time, want_keypress_time;
981 struct timeval value;
982 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
983 struct timeval tp;
984 #endif
985
986 for (;;) {
987 /* loop until we can return something */
988
989 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
990 R->tt_write(NULL, 0);
991
992 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
993 if (R->mouse_slip_wheel_speed) {
994 quick_timeout = 1;
995 if (!R->mouse_slip_wheel_delay--
996 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
997 abs(R->mouse_slip_wheel_speed))) {
998 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
999 R->refresh_type |= SMOOTH_REFRESH;
1000 R->want_refresh = 1;
1001 }
1002 }
1003 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
1004 #ifdef SELECTION_SCROLLING
1005 if (R->pending_scroll_selection) {
1006 quick_timeout = 1;
1007 if (!R->scroll_selection_delay--
1008 && rxvt_scr_page(aR_ R->scroll_selection_dir,
1009 R->scroll_selection_lines)) {
1010 rxvt_selection_extend(aR_ R->selection_save_x,
1011 R->selection_save_y, R->selection_save_state);
1012 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
1013 R->refresh_type |= SMOOTH_REFRESH;
1014 R->want_refresh = 1;
1015 }
1016 }
1017 #endif
1018 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1019 if (scrollbar_isUp() || scrollbar_isDn()) {
1020 quick_timeout = 1;
1021 if (!R->scroll_arrow_delay--
1022 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
1023 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
1024 R->refresh_type |= SMOOTH_REFRESH;
1025 R->want_refresh = 1;
1026 }
1027 }
1028 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1029
1030 #ifdef TRANSPARENT
1031 quick_timeout |= R->want_full_refresh;
1032 #endif
1033 #endif
1034 }
1035
1036 void
1037 rxvt_term::pointer_unblank ()
1038 {
1039 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1040 rxvt_recolour_cursor (this);
1041
1042 #ifdef POINTER_BLANK
1043 hidden_pointer = 0;
1044
1045 if (Options & Opt_pointerBlank)
1046 pointer_ev.start (NOW + pointerBlankDelay);
1047 #endif
1048 }
1049
1050 #ifdef POINTER_BLANK
1051 void
1052 rxvt_term::pointer_blank ()
1053 {
1054 pointer_ev.stop ();
1055
1056 if (!(Options & Opt_pointerBlank))
1057 return;
1058
1059 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1060 XFlush (Xdisplay);
1061
1062 hidden_pointer = 1;
1063 }
1064
1065 void
1066 rxvt_term::pointer_cb (time_watcher &w)
1067 {
1068 SET_R (this);
1069
1070 pointer_blank ();
1071 }
1072 #endif
1073
1074 /* INTPROTO */
1075 void
1076 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1077 {
1078 int button_number, key_state = 0;
1079 int x, y;
1080
1081 x = ev->x;
1082 y = ev->y;
1083 rxvt_pixel_position(aR_ &x, &y);
1084
1085 if (R->MEvent.button == AnyButton) {
1086 button_number = 3;
1087 } else {
1088 button_number = R->MEvent.button - Button1;
1089 /* add 0x3D for wheel events, like xterm does */
1090 if (button_number >= 3)
1091 button_number += (64 - 3);
1092 }
1093
1094 if (R->PrivateModes & PrivMode_MouseX10) {
1095 /*
1096 * do not report ButtonRelease
1097 * no state info allowed
1098 */
1099 key_state = 0;
1100 if (button_number == 3)
1101 return;
1102 } else {
1103 /* XTerm mouse reporting needs these values:
1104 * 4 = Shift
1105 * 8 = Meta
1106 * 16 = Control
1107 * plus will add in our own Double-Click reporting
1108 * 32 = Double Click
1109 */
1110 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1111 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1112 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1113 #ifdef MOUSE_REPORT_DOUBLECLICK
1114 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1115 #endif
1116 }
1117
1118 #ifdef DEBUG_MOUSEREPORT
1119 fprintf(stderr, "Mouse [");
1120 if (key_state & 16)
1121 fputc('C', stderr);
1122 if (key_state & 4)
1123 fputc('S', stderr);
1124 if (key_state & 8)
1125 fputc('A', stderr);
1126 if (key_state & 32)
1127 fputc('2', stderr);
1128 fprintf(stderr, "]: <%d>, %d/%d\n",
1129 button_number,
1130 x + 1,
1131 y + 1);
1132 #else
1133 R->tt_printf("\033[M%c%c%c",
1134 (32 + button_number + key_state),
1135 (32 + x + 1),
1136 (32 + y + 1));
1137 #endif
1138 }
1139
1140 #ifdef USING_W11LIB
1141 /* EXTPROTO */
1142 void
1143 rxvt_W11_process_x_event(XEvent *ev)
1144 {
1145 rxvt_t *r = rxvt_get_r();
1146
1147 rxvt_process_x_event(aR_ ev);
1148 }
1149 #endif
1150
1151 /*{{{ process an X event */
1152 /* INTPROTO */
1153 void
1154 rxvt_process_x_event(pR_ XEvent *ev)
1155 {
1156 int i, want_timeout;
1157 Window unused_root, unused_child;
1158 int unused_root_x, unused_root_y;
1159 unsigned int unused_mask;
1160 struct timeval tp;
1161
1162 #ifdef DEBUG_X
1163 const char *const eventnames[] =
1164 { /* mason - this matches my system */
1165 "",
1166 "",
1167 "KeyPress",
1168 "KeyRelease",
1169 "ButtonPress",
1170 "ButtonRelease",
1171 "MotionNotify",
1172 "EnterNotify",
1173 "LeaveNotify",
1174 "FocusIn",
1175 "FocusOut",
1176 "KeymapNotify",
1177 "Expose",
1178 "GraphicsExpose",
1179 "NoExpose",
1180 "VisibilityNotify",
1181 "CreateNotify",
1182 "DestroyNotify",
1183 "UnmapNotify",
1184 "MapNotify",
1185 "MapRequest",
1186 "ReparentNotify",
1187 "ConfigureNotify",
1188 "ConfigureRequest",
1189 "GravityNotify",
1190 "ResizeRequest",
1191 "CirculateNotify",
1192 "CirculateRequest",
1193 "PropertyNotify",
1194 "SelectionClear",
1195 "SelectionRequest",
1196 "SelectionNotify",
1197 "ColormapNotify",
1198 "ClientMessage",
1199 "MappingNotify"
1200 };
1201 struct tm *ltt;
1202 #endif
1203
1204 /*
1205 * check if we need to get the time for any timeouts
1206 */
1207
1208 for (i = NUM_TIMEOUTS; i--; )
1209 if (R->timeout[i].tv_sec) {
1210 want_timeout = 1;
1211 break;
1212 }
1213
1214 #ifndef DEBUG_X
1215 if (want_timeout)
1216 #endif
1217 (void)gettimeofday(&tp, NULL);
1218
1219 #ifdef DEBUG_X
1220 ltt = localtime(&(tp.tv_sec));
1221 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));
1222 #endif
1223
1224 /* X event timeouts */
1225 if (want_timeout)
1226 for (i = NUM_TIMEOUTS; i--; ) {
1227 if (R->timeout[i].tv_sec == 0)
1228 continue;
1229 if ((tp.tv_sec < R->timeout[i].tv_sec)
1230 || (tp.tv_sec == R->timeout[i].tv_sec
1231 && tp.tv_usec < R->timeout[i].tv_usec))
1232 continue;
1233 R->timeout[i].tv_sec = 0;
1234 switch(i) {
1235 case TIMEOUT_INCR:
1236 rxvt_print_error("data loss: timeout on INCR selection paste");
1237 R->selection_wait = Sel_none;
1238 break;
1239 default:
1240 break;
1241 }
1242 }
1243
1244 switch (ev->type) {
1245 case KeyPress:
1246 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1247 break;
1248
1249 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1250 case KeyRelease:
1251 {
1252 if (!(ev->xkey.state & ControlMask))
1253 R->mouse_slip_wheel_speed = 0;
1254 else {
1255 KeySym ks;
1256
1257 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1258 if (ks == XK_Control_L || ks == XK_Control_R)
1259 R->mouse_slip_wheel_speed = 0;
1260 }
1261 break;
1262 }
1263 #endif
1264
1265 case ButtonPress:
1266 rxvt_button_press(aR_ (XButtonEvent *)ev);
1267 break;
1268
1269 case ButtonRelease:
1270 rxvt_button_release(aR_ (XButtonEvent *)ev);
1271 break;
1272
1273 case ClientMessage:
1274 if (ev->xclient.format == 32
1275 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1276 R->destroy ();
1277 #ifdef OFFIX_DND
1278 /* OffiX Dnd (drag 'n' drop) protocol */
1279 else if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1280 && (ev->xclient.data.l[0] == DndFile
1281 || ev->xclient.data.l[0] == DndDir
1282 || ev->xclient.data.l[0] == DndLink)) {
1283 /* Get Dnd data */
1284 Atom ActualType;
1285 int ActualFormat;
1286 unsigned char *data;
1287 unsigned long Size, RemainingBytes;
1288
1289 XGetWindowProperty(R->Xdisplay, Xroot,
1290 R->xa[XA_DNDSELECTION],
1291 0L, 1000000L,
1292 False, AnyPropertyType,
1293 &ActualType, &ActualFormat,
1294 &Size, &RemainingBytes,
1295 &data);
1296 XChangeProperty(R->Xdisplay, Xroot,
1297 XA_CUT_BUFFER0, XA_STRING,
1298 8, PropModeReplace,
1299 data, STRLEN(data));
1300 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1301 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1302 }
1303 #endif /* OFFIX_DND */
1304 break;
1305
1306 case MappingNotify:
1307 XRefreshKeyboardMapping(&(ev->xmapping));
1308 break;
1309
1310 /*
1311 * XXX: this is not the _current_ arrangement
1312 * Here's my conclusion:
1313 * If the window is completely unobscured, use bitblt's
1314 * to scroll. Even then, they're only used when doing partial
1315 * screen scrolling. When partially obscured, we have to fill
1316 * in the GraphicsExpose parts, which means that after each refresh,
1317 * we need to wait for the graphics expose or Noexpose events,
1318 * which ought to make things real slow!
1319 */
1320 case VisibilityNotify:
1321 switch (ev->xvisibility.state)
1322 {
1323 case VisibilityUnobscured:
1324 R->refresh_type = FAST_REFRESH;
1325 break;
1326 case VisibilityPartiallyObscured:
1327 R->refresh_type = SLOW_REFRESH;
1328 break;
1329 default:
1330 R->refresh_type = NO_REFRESH;
1331 break;
1332 }
1333 break;
1334
1335 case FocusIn:
1336 if (!R->TermWin.focus) {
1337 R->TermWin.focus = 1;
1338 R->want_refresh = 1;
1339 #ifdef USE_XIM
1340 if (R->Input_Context != NULL)
1341 XSetICFocus(R->Input_Context);
1342 #endif
1343 #ifdef CURSOR_BLINK
1344 if (R->Options & Opt_cursorBlink)
1345 R->blink_ev.start (NOW + BLINK_INTERVAL);
1346 #endif
1347 }
1348 break;
1349
1350 case FocusOut:
1351 if (R->TermWin.focus) {
1352 R->TermWin.focus = 0;
1353 R->want_refresh = 1;
1354 #ifdef USE_XIM
1355 if (R->Input_Context != NULL)
1356 XUnsetICFocus(R->Input_Context);
1357 #endif
1358 #ifdef CURSOR_BLINK
1359 if (R->Options & Opt_cursorBlink)
1360 R->blink_ev.stop ();
1361 R->hidden_cursor = 0;
1362 #endif
1363 }
1364 break;
1365
1366 case ConfigureNotify:
1367 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1368 int height, width;
1369
1370 do { /* Wrap lots of configures into one */
1371 width = ev->xconfigure.width;
1372 height = ev->xconfigure.height;
1373 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1374 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1375 ConfigureNotify, ev));
1376 if (R->szHint.width != width || R->szHint.height != height) {
1377 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1378 rxvt_resize_all_windows(aR_ (unsigned int)width,
1379 (unsigned int)height, 1);
1380 }
1381 #ifdef DEBUG_SIZE
1382 else {
1383 D_SIZE((stderr, "Size: Not resizing"));
1384 }
1385 #endif
1386 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1387 if (R->Options & Opt_transparent) {
1388 rxvt_check_our_parents(aR);
1389 if (R->am_transparent)
1390 R->want_full_refresh = 1;
1391 }
1392 #endif
1393 }
1394 break;
1395
1396 case SelectionClear:
1397 rxvt_selection_clear(aR);
1398 break;
1399
1400 case SelectionNotify:
1401 if (R->selection_wait == Sel_normal)
1402 rxvt_selection_paste(aR_ ev->xselection.requestor,
1403 ev->xselection.property, True);
1404 break;
1405
1406 case SelectionRequest:
1407 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1408 break;
1409
1410 case UnmapNotify:
1411 R->TermWin.mapped = 0;
1412 break;
1413
1414 case MapNotify:
1415 R->TermWin.mapped = 1;
1416 break;
1417
1418 case PropertyNotify:
1419 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1420 if (ev->xproperty.state == PropertyNewValue)
1421 rxvt_selection_property(aR_ ev->xproperty.window,
1422 ev->xproperty.atom);
1423 break;
1424 }
1425 #ifdef TRANSPARENT
1426 /*
1427 * if user used some Esetroot compatible prog to set the root bg,
1428 * use the property to determine the pixmap. We use it later on.
1429 */
1430 if (R->xa[XA_XROOTPMAPID] == 0)
1431 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1432 "_XROOTPMAP_ID", False);
1433 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1434 break;
1435 /* FALLTHROUGH */
1436 case ReparentNotify:
1437 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1438 if (R->am_transparent)
1439 R->want_full_refresh = 1;
1440 }
1441 #endif /* TRANSPARENT */
1442 break;
1443
1444 case GraphicsExpose:
1445 case Expose:
1446 if (ev->xany.window == R->TermWin.vt) {
1447 #ifdef NO_SLOW_LINK_SUPPORT
1448 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1449 ev->xexpose.width, ev->xexpose.height, False);
1450 #else
1451 // don't understand this, so commented it out
1452 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1453 ev->xexpose.width, ev->xexpose.height, False);
1454 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1455 // ev->xexpose.width, R->TermWin.height, False);
1456 #endif
1457 R->want_refresh = 1;
1458 } else {
1459 XEvent unused_xevent;
1460
1461 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1462 Expose,
1463 &unused_xevent)) ;
1464 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1465 GraphicsExpose,
1466 &unused_xevent)) ;
1467 if (isScrollbarWindow(ev->xany.window)) {
1468 scrollbar_setIdle();
1469 rxvt_scrollbar_show(aR_ 0);
1470 }
1471 #ifdef MENUBAR
1472 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1473 rxvt_menubar_expose(aR);
1474 #endif
1475 #ifdef RXVT_GRAPHICS
1476 rxvt_Gr_expose(aR_ ev->xany.window);
1477 #endif
1478 }
1479 break;
1480
1481 case MotionNotify:
1482 #ifdef POINTER_BLANK
1483 if (R->hidden_pointer)
1484 R->pointer_unblank ();
1485 #endif
1486 #if MENUBAR
1487 if (isMenuBarWindow(ev->xany.window)) {
1488 rxvt_menubar_control(aR_ &(ev->xbutton));
1489 break;
1490 }
1491 #endif
1492 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1493 break;
1494
1495 if (ev->xany.window == R->TermWin.vt) {
1496 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1497 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1498 MotionNotify, ev)) ;
1499 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1500 &unused_root, &unused_child,
1501 &unused_root_x, &unused_root_y,
1502 &(ev->xbutton.x), &(ev->xbutton.y),
1503 &unused_mask);
1504 #ifdef MOUSE_THRESHOLD
1505 /* deal with a `jumpy' mouse */
1506 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1507 #endif
1508 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1509 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1510 #ifdef SELECTION_SCROLLING
1511 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1512 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1513 int dist;
1514
1515 R->pending_scroll_selection=1;
1516
1517 /* don't clobber the current delay if we are
1518 * already in the middle of scrolling.
1519 */
1520 if (R->scroll_selection_delay<=0)
1521 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1522
1523 /* save the event params so we can highlight
1524 * the selection in the pending-scroll loop
1525 */
1526 R->selection_save_x=ev->xbutton.x;
1527 R->selection_save_y=ev->xbutton.y;
1528 R->selection_save_state=
1529 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1530
1531 /* calc number of lines to scroll */
1532 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1533 R->scroll_selection_dir = UP;
1534 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1535 }
1536 else {
1537 R->scroll_selection_dir = DN;
1538 dist = ev->xbutton.y -
1539 (R->TermWin.int_bwidth + R->TermWin.height);
1540 }
1541 R->scroll_selection_lines=(Pixel2Height(dist)/
1542 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1543 MIN_IT(R->scroll_selection_lines,
1544 SELECTION_SCROLL_MAX_LINES);
1545 }
1546 else {
1547 /* we are within the text window, so we
1548 * shouldn't be scrolling
1549 */
1550 R->pending_scroll_selection = 0;
1551 }
1552 #endif
1553 #ifdef MOUSE_THRESHOLD
1554 }
1555 #endif
1556 }
1557 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1558 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1559 MotionNotify, ev)) ;
1560 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1561 &unused_root, &unused_child,
1562 &unused_root_x, &unused_root_y,
1563 &(ev->xbutton.x), &(ev->xbutton.y),
1564 &unused_mask);
1565 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1566 scrollbar_size());
1567 rxvt_scr_refresh(aR_ R->refresh_type);
1568 R->refresh_limit = 0;
1569 rxvt_scrollbar_show(aR_ 1);
1570 }
1571 break;
1572 }
1573 }
1574
1575 /* INTPROTO */
1576 void
1577 rxvt_button_press(pR_ XButtonEvent *ev)
1578 {
1579 int reportmode = 0, clickintime;
1580
1581 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1582 if (!R->bypass_keystate)
1583 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1584 /*
1585 * VT window processing of button press
1586 */
1587 if (ev->window == R->TermWin.vt)
1588 {
1589 #if RXVT_GRAPHICS
1590 if (ev->subwindow != None)
1591 rxvt_Gr_ButtonPress(ev->x, ev->y);
1592 else
1593 #endif
1594 {
1595 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1596 if (reportmode)
1597 {
1598 /* mouse report from vt window */
1599 /* save the xbutton state (for ButtonRelease) */
1600 R->MEvent.state = ev->state;
1601 #ifdef MOUSE_REPORT_DOUBLECLICK
1602 if (ev->button == R->MEvent.button && clickintime)
1603 {
1604 /* same button, within alloted time */
1605 R->MEvent.clicks++;
1606 if (R->MEvent.clicks > 1)
1607 {
1608 /* only report double clicks */
1609 R->MEvent.clicks = 2;
1610 rxvt_mouse_report(aR_ ev);
1611
1612 /* don't report the release */
1613 R->MEvent.clicks = 0;
1614 R->MEvent.button = AnyButton;
1615 }
1616 }
1617 else
1618 {
1619 /* different button, or time expired */
1620 R->MEvent.clicks = 1;
1621 R->MEvent.button = ev->button;
1622 rxvt_mouse_report(aR_ ev);
1623 }
1624 #else
1625 R->MEvent.button = ev->button;
1626 rxvt_mouse_report(aR_ ev);
1627 #endif /* MOUSE_REPORT_DOUBLECLICK */
1628 }
1629 else
1630 {
1631 if (ev->button != R->MEvent.button)
1632 R->MEvent.clicks = 0;
1633 switch (ev->button)
1634 {
1635 case Button1:
1636 if (R->MEvent.button == Button1 && clickintime)
1637 R->MEvent.clicks++;
1638 else
1639 R->MEvent.clicks = 1;
1640 rxvt_selection_click(aR_ R->MEvent.clicks, ev->x, ev->y);
1641 R->MEvent.button = Button1;
1642 break;
1643
1644 case Button3:
1645 if (R->MEvent.button == Button3 && clickintime)
1646 rxvt_selection_rotate(aR_ ev->x, ev->y);
1647 else
1648 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1649 R->MEvent.button = Button3;
1650 break;
1651 }
1652 }
1653 R->MEvent.time = ev->time;
1654 return;
1655 }
1656 }
1657
1658 /*
1659 * Scrollbar window processing of button press
1660 */
1661 if (isScrollbarWindow(ev->window))
1662 {
1663 scrollbar_setIdle();
1664 /*
1665 * Rxvt-style scrollbar:
1666 * move up if mouse is above slider
1667 * move dn if mouse is below slider
1668 *
1669 * XTerm-style scrollbar:
1670 * Move display proportional to pointer location
1671 * pointer near top -> scroll one line
1672 * pointer near bot -> scroll full page
1673 */
1674 #ifndef NO_SCROLLBAR_REPORT
1675 if (reportmode) {
1676 /*
1677 * Mouse report disabled scrollbar:
1678 * arrow buttons - send up/down
1679 * click on scrollbar - send pageup/down
1680 */
1681 if ((R->scrollBar.style == R_SB_NEXT
1682 && scrollbarnext_upButton(ev->y))
1683 || (R->scrollBar.style == R_SB_RXVT
1684 && scrollbarrxvt_upButton(ev->y)))
1685 R->tt_printf("\033[A");
1686 else if ((R->scrollBar.style == R_SB_NEXT
1687 && scrollbarnext_dnButton(ev->y))
1688 || (R->scrollBar.style == R_SB_RXVT
1689 && scrollbarrxvt_dnButton(ev->y)))
1690 R->tt_printf("\033[B");
1691 else
1692 switch (ev->button) {
1693 case Button2:
1694 R->tt_printf("\014");
1695 break;
1696 case Button1:
1697 R->tt_printf("\033[6~");
1698 break;
1699 case Button3:
1700 R->tt_printf("\033[5~");
1701 break;
1702 }
1703 }
1704 else
1705 #endif /* NO_SCROLLBAR_REPORT */
1706 {
1707 char upordown = 0;
1708
1709 if (R->scrollBar.style == R_SB_NEXT) {
1710 if (scrollbarnext_upButton(ev->y))
1711 upordown = -1; /* up */
1712 else if (scrollbarnext_dnButton(ev->y))
1713 upordown = 1; /* down */
1714 } else if (R->scrollBar.style == R_SB_RXVT) {
1715 if (scrollbarrxvt_upButton(ev->y))
1716 upordown = -1; /* up */
1717 else if (scrollbarrxvt_dnButton(ev->y))
1718 upordown = 1; /* down */
1719 }
1720 if (upordown) {
1721 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1722 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1723 #endif
1724 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1725 if (upordown < 0)
1726 scrollbar_setUp();
1727 else
1728 scrollbar_setDn();
1729 }
1730 } else
1731 switch (ev->button) {
1732 case Button2:
1733 switch (R->scrollbar_align) {
1734 case R_SB_ALIGN_TOP:
1735 R->csrO = 0;
1736 break;
1737 case R_SB_ALIGN_CENTRE:
1738 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1739 break;
1740 case R_SB_ALIGN_BOTTOM:
1741 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1742 break;
1743 }
1744 if (R->scrollBar.style == R_SB_XTERM
1745 || scrollbar_above_slider(ev->y)
1746 || scrollbar_below_slider(ev->y))
1747 rxvt_scr_move_to(aR_
1748 scrollbar_position(ev->y) - R->csrO,
1749 scrollbar_size());
1750 scrollbar_setMotion();
1751 break;
1752
1753 case Button1:
1754 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1755 R->csrO = ev->y - R->scrollBar.top;
1756 /* FALLTHROUGH */
1757
1758 case Button3:
1759 if (R->scrollBar.style != R_SB_XTERM) {
1760 if (scrollbar_above_slider(ev->y))
1761 # ifdef RXVT_SCROLL_FULL
1762 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1763 # else
1764 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1765 # endif
1766 else if (scrollbar_below_slider(ev->y))
1767 # ifdef RXVT_SCROLL_FULL
1768 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1769 # else
1770 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1771 # endif
1772 else
1773 scrollbar_setMotion();
1774 } else {
1775 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1776 (R->TermWin.nrow
1777 * scrollbar_position(ev->y)
1778 / scrollbar_size()));
1779 }
1780 break;
1781 }
1782 }
1783 return;
1784 }
1785 #if MENUBAR
1786 /*
1787 * Menubar window processing of button press
1788 */
1789 if (isMenuBarWindow(ev->window))
1790 rxvt_menubar_control(aR_ ev);
1791 #endif
1792 }
1793
1794 /* INTPROTO */
1795 void
1796 rxvt_button_release(pR_ XButtonEvent *ev)
1797 {
1798 int reportmode = 0;
1799
1800 R->csrO = 0; /* reset csr Offset */
1801 if (!R->bypass_keystate)
1802 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1803
1804 if (scrollbar_isUpDn()) {
1805 scrollbar_setIdle();
1806 rxvt_scrollbar_show(aR_ 0);
1807 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1808 R->refresh_type &= ~SMOOTH_REFRESH;
1809 #endif
1810 }
1811 #ifdef SELECTION_SCROLLING
1812 R->pending_scroll_selection=0;
1813 #endif
1814 if (ev->window == R->TermWin.vt)
1815 {
1816 #ifdef RXVT_GRAPHICS
1817 if (ev->subwindow != None)
1818 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1819 else
1820 #endif
1821 {
1822 if (reportmode)
1823 {
1824 /* mouse report from vt window */
1825 /* don't report release of wheel "buttons" */
1826 if (ev->button >= 4)
1827 return;
1828 #ifdef MOUSE_REPORT_DOUBLECLICK
1829 /* only report the release of 'slow' single clicks */
1830 if (R->MEvent.button != AnyButton
1831 && (ev->button != R->MEvent.button
1832 || (ev->time - R->MEvent.time
1833 > MULTICLICK_TIME / 2)))
1834 {
1835 R->MEvent.clicks = 0;
1836 R->MEvent.button = AnyButton;
1837 rxvt_mouse_report(aR_ ev);
1838 }
1839 #else /* MOUSE_REPORT_DOUBLECLICK */
1840 R->MEvent.button = AnyButton;
1841 rxvt_mouse_report(aR_ ev);
1842 #endif /* MOUSE_REPORT_DOUBLECLICK */
1843 return;
1844 }
1845 /*
1846 * dumb hack to compensate for the failure of click-and-drag
1847 * when overriding mouse reporting
1848 */
1849 if (R->PrivateModes & PrivMode_mouse_report
1850 && R->bypass_keystate
1851 && ev->button == Button1 && R->MEvent.clicks <= 1)
1852 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1853
1854 switch (ev->button) {
1855 case Button1:
1856 case Button3:
1857 rxvt_selection_make(aR_ ev->time);
1858 break;
1859 case Button2:
1860 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1861 break;
1862 #ifdef MOUSE_WHEEL
1863 case Button4:
1864 case Button5:
1865 {
1866 int i, v;
1867
1868 v = (ev->button == Button4) ? UP : DN;
1869 if (ev->state & ShiftMask)
1870 i = 1;
1871 else if ((R->Options & Opt_mouseWheelScrollPage))
1872 i = R->TermWin.nrow - 1;
1873 else
1874 i = 5;
1875 # ifdef MOUSE_SLIP_WHEELING
1876 if (ev->state & ControlMask)
1877 {
1878 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1879 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1880 }
1881 # endif
1882 # ifdef JUMP_MOUSE_WHEEL
1883 rxvt_scr_page(aR_ v, i);
1884 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1885 rxvt_scrollbar_show(aR_ 1);
1886 # else
1887 for (; i--;)
1888 {
1889 rxvt_scr_page(aR_ v, 1);
1890 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1891 rxvt_scrollbar_show(aR_ 1);
1892 }
1893 # endif
1894 }
1895 break;
1896 #endif
1897 }
1898 }
1899 }
1900 #ifdef MENUBAR
1901 else if (isMenuBarWindow(ev->window))
1902 rxvt_menubar_control(aR_ ev);
1903 #endif
1904 }
1905
1906
1907 #ifdef TRANSPARENT
1908 /*
1909 * Check our parents are still who we think they are.
1910 * Do transparency updates if required
1911 */
1912 /* EXTPROTO */
1913 int
1914 rxvt_check_our_parents(pR)
1915 {
1916 int i, pchanged, aformat, have_pixmap, rootdepth;
1917 unsigned long nitems, bytes_after;
1918 Atom atype;
1919 unsigned char *prop = NULL;
1920 Window root, oldp, *list;
1921 Pixmap rootpixmap = None;
1922 XWindowAttributes wattr, wrootattr;
1923
1924 pchanged = 0;
1925
1926 if (!(R->Options & Opt_transparent))
1927 return pchanged; /* Don't try any more */
1928
1929 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1930 rootdepth = wrootattr.depth;
1931
1932 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1933 if (rootdepth != wattr.depth) {
1934 if (R->am_transparent) {
1935 pchanged = 1;
1936 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1937 R->PixColors[Color_bg]);
1938 R->am_transparent = R->am_pixmap_trans = 0;
1939 }
1940 return pchanged; /* Don't try any more */
1941 }
1942
1943 /* Get all X ops out of the queue so that our information is up-to-date. */
1944 XSync(R->Xdisplay, False);
1945
1946 /*
1947 * Make the frame window set by the window manager have
1948 * the root background. Some window managers put multiple nested frame
1949 * windows for each client, so we have to take care about that.
1950 */
1951 i = (R->xa[XA_XROOTPMAPID] != 0
1952 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1953 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1954 &nitems, &bytes_after, &prop) == Success));
1955 if (!i || prop == NULL)
1956 have_pixmap = 0;
1957 else {
1958 have_pixmap = 1;
1959 rootpixmap = *((Pixmap *)prop);
1960 XFree(prop);
1961 }
1962 if (have_pixmap) {
1963 /*
1964 * Copy Xroot pixmap transparency
1965 */
1966 int sx, sy, nx, ny;
1967 unsigned int nw, nh;
1968 Window cr;
1969 XImage *image;
1970 GC gc;
1971 XGCValues gcvalue;
1972
1973 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1974 0, 0, &sx, &sy, &cr);
1975 nw = (unsigned int)R->szHint.width;
1976 nh = (unsigned int)R->szHint.height;
1977 nx = ny = 0;
1978 if (sx < 0) {
1979 nw += sx;
1980 nx = -sx;
1981 sx = 0;
1982 }
1983 if (sy < 0) {
1984 nh += sy;
1985 ny = -sy;
1986 sy = 0;
1987 }
1988 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1989 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1990 R->allowedxerror = -1;
1991 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1992 ZPixmap);
1993 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1994 /* XXX: may need a delay here? */
1995 R->allowedxerror = 0;
1996 if (image == NULL) {
1997 if (R->am_transparent && R->am_pixmap_trans) {
1998 pchanged = 1;
1999 if (R->TermWin.pixmap != None) {
2000 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
2001 R->TermWin.pixmap = None;
2002 }
2003 }
2004 R->am_pixmap_trans = 0;
2005 } else {
2006 if (R->TermWin.pixmap != None)
2007 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
2008 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
2009 (unsigned int)R->szHint.width,
2010 (unsigned int)R->szHint.height,
2011 (unsigned int)image->depth);
2012 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
2013 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
2014 nx, ny, (unsigned int)image->width,
2015 (unsigned int)image->height);
2016 XFreeGC(R->Xdisplay, gc);
2017 XDestroyImage(image);
2018 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2019 R->TermWin.pixmap);
2020 if (!R->am_transparent || !R->am_pixmap_trans)
2021 pchanged = 1;
2022 R->am_transparent = R->am_pixmap_trans = 1;
2023 }
2024 }
2025 if (!R->am_pixmap_trans) {
2026 unsigned int n;
2027 /*
2028 * InheritPixmap transparency
2029 */
2030 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
2031 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
2032 i++) {
2033 oldp = R->TermWin.parent[i];
2034 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2035 &R->TermWin.parent[i], &list, &n);
2036 XFree(list);
2037 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2038 if (R->TermWin.parent[i] == Xroot) {
2039 if (oldp != None)
2040 pchanged = 1;
2041 break;
2042 }
2043 if (oldp != R->TermWin.parent[i])
2044 pchanged = 1;
2045 }
2046 n = 0;
2047 if (pchanged) {
2048 for (; n < (unsigned int)i; n++) {
2049 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2050 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2051 if (wattr.depth != rootdepth || wattr.class == InputOnly) {
2052 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2053 break;
2054 }
2055 }
2056 }
2057 if (n > (int)(sizeof(R->TermWin.parent)
2058 / sizeof(R->TermWin.parent[0]))) {
2059 D_X((stderr, "InheritPixmap Turning off"));
2060 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2061 R->PixColors[Color_fg]);
2062 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2063 R->PixColors[Color_bg]);
2064 R->am_transparent = 0;
2065 /* XXX: also turn off Opt_transparent? */
2066 } else {
2067 /* wait (an arbitrary period) for the WM to do its thing
2068 * needed for fvwm2.2.2 (and before?) */
2069 # ifdef HAVE_NANOSLEEP
2070 struct timespec rqt;
2071
2072 rqt.tv_sec = 1;
2073 rqt.tv_nsec = 0;
2074 nanosleep(&rqt, NULL);
2075 # else
2076 sleep(1);
2077 # endif
2078 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2079 for (n = 0; n < (unsigned int)i; n++)
2080 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2081 ParentRelative);
2082 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2083 ParentRelative);
2084 R->am_transparent = 1;
2085 }
2086 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2087 R->TermWin.parent[i] = None;
2088 }
2089 return pchanged;
2090 }
2091 #endif
2092
2093 /*}}} */
2094
2095 /*{{{ print pipe */
2096 /*----------------------------------------------------------------------*/
2097 #ifdef PRINTPIPE
2098 /* EXTPROTO */
2099 FILE *
2100 rxvt_popen_printer(pR)
2101 {
2102 FILE *stream = popen(R->rs[Rs_print_pipe], "w");
2103
2104 if (stream == NULL)
2105 rxvt_print_error("can't open printer pipe");
2106 return stream;
2107 }
2108
2109 /* EXTPROTO */
2110 int
2111 rxvt_pclose_printer (FILE *stream)
2112 {
2113 fflush (stream);
2114 /* pclose() reported not to work on SunOS 4.1.3 */
2115 # if defined (__sun__) /* TODO: RESOLVE THIS */
2116 /* pclose works provided SIGCHLD handler uses waitpid */
2117 return pclose (stream); /* return fclose (stream); */
2118 # else
2119 return pclose (stream);
2120 # endif
2121 }
2122
2123 /*
2124 * simulate attached vt100 printer
2125 */
2126 /* INTPROTO */
2127 void
2128 rxvt_process_print_pipe(pR)
2129 {
2130 int done;
2131 FILE *fd;
2132
2133 if ((fd = rxvt_popen_printer(aR)) == NULL)
2134 return;
2135
2136 /*
2137 * Send all input to the printer until either ESC[4i or ESC[?4i
2138 * is received.
2139 */
2140 for (done = 0; !done;) {
2141 unsigned char buf[8];
2142 unsigned char ch;
2143 unsigned int i, len;
2144
2145 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2146 if (putc(ch, fd) == EOF)
2147 break; /* done = 1 */
2148 } else {
2149 len = 0;
2150 buf[len++] = ch;
2151
2152 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2153 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2154 buf[len++] = '?';
2155 ch = rxvt_cmd_getc(aR);
2156 }
2157 if ((buf[len++] = ch) == '4') {
2158 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2159 break; /* done = 1 */
2160 }
2161 }
2162 for (i = 0; i < len; i++)
2163 if (putc(buf[i], fd) == EOF) {
2164 done = 1;
2165 break;
2166 }
2167 }
2168 }
2169 rxvt_pclose_printer(fd);
2170 }
2171 #endif /* PRINTPIPE */
2172 /*}}} */
2173
2174 /* *INDENT-OFF* */
2175 enum {
2176 C1_40 = 0x40,
2177 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2178 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2179 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2180 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2181 };
2182 /* *INDENT-ON* */
2183
2184 /*{{{ process non-printing single characters */
2185 /* INTPROTO */
2186 void
2187 rxvt_process_nonprinting(pR_ unsigned char ch)
2188 {
2189 switch (ch) {
2190 case C0_ENQ: /* terminal Status */
2191 if (R->rs[Rs_answerbackstring])
2192 R->tt_write(
2193 (const unsigned char *)R->rs[Rs_answerbackstring],
2194 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2195 else
2196 R->tt_write((unsigned char *)VT100_ANS,
2197 (unsigned int)STRLEN(VT100_ANS));
2198 break;
2199 case C0_BEL: /* bell */
2200 rxvt_scr_bell(aR);
2201 break;
2202 case C0_BS: /* backspace */
2203 rxvt_scr_backspace(aR);
2204 break;
2205 case C0_HT: /* tab */
2206 rxvt_scr_tab(aR_ 1);
2207 break;
2208 case C0_CR: /* carriage return */
2209 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2210 break;
2211 case C0_VT: /* vertical tab, form feed */
2212 case C0_FF:
2213 case C0_LF: /* line feed */
2214 rxvt_scr_index(aR_ UP);
2215 break;
2216 case C0_SO: /* shift out - acs */
2217 rxvt_scr_charset_choose(aR_ 1);
2218 break;
2219 case C0_SI: /* shift in - acs */
2220 rxvt_scr_charset_choose(aR_ 0);
2221 break;
2222 }
2223 }
2224 /*}}} */
2225
2226
2227 /*{{{ process VT52 escape sequences */
2228 /* INTPROTO */
2229 void
2230 rxvt_process_escape_vt52(pR_ unsigned char ch)
2231 {
2232 int row, col;
2233
2234 switch (ch) {
2235 case 'A': /* cursor up */
2236 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2237 break;
2238 case 'B': /* cursor down */
2239 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2240 break;
2241 case 'C': /* cursor right */
2242 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2243 break;
2244 case 'D': /* cursor left */
2245 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2246 break;
2247 case 'H': /* cursor home */
2248 rxvt_scr_gotorc(aR_ 0, 0, 0);
2249 break;
2250 case 'I': /* cursor up and scroll down if needed */
2251 rxvt_scr_index(aR_ DN);
2252 break;
2253 case 'J': /* erase to end of screen */
2254 rxvt_scr_erase_screen(aR_ 0);
2255 break;
2256 case 'K': /* erase to end of line */
2257 rxvt_scr_erase_line(aR_ 0);
2258 break;
2259 case 'Y': /* move to specified row and col */
2260 /* full command is 'ESC Y row col' where row and col
2261 * are encoded by adding 32 and sending the ascii
2262 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2263 * etc. */
2264 row = rxvt_cmd_getc(aR) - ' ';
2265 col = rxvt_cmd_getc(aR) - ' ';
2266 rxvt_scr_gotorc(aR_ row, col, 0);
2267 break;
2268 case 'Z': /* identify the terminal type */
2269 R->tt_printf("\033/Z"); /* I am a VT100 emulating a VT52 */
2270 break;
2271 case '<': /* turn off VT52 mode */
2272 PrivMode(0, PrivMode_vt52);
2273 break;
2274 case 'F': /* use special graphics character set */
2275 case 'G': /* use regular character set */
2276 /* unimplemented */
2277 break;
2278 case '=': /* use alternate keypad mode */
2279 case '>': /* use regular keypad mode */
2280 /* unimplemented */
2281 break;
2282 }
2283 }
2284 /*}}} */
2285
2286
2287 /*{{{ process escape sequences */
2288 /* INTPROTO */
2289 void
2290 rxvt_process_escape_seq(pR)
2291 {
2292 unsigned char ch = rxvt_cmd_getc(aR);
2293
2294 if (R->PrivateModes & PrivMode_vt52) {
2295 rxvt_process_escape_vt52(aR_ ch);
2296 return;
2297 }
2298
2299 switch (ch) {
2300 /* case 1: do_tek_mode (); break; */
2301 case '#':
2302 if (rxvt_cmd_getc(aR) == '8')
2303 rxvt_scr_E(aR);
2304 break;
2305 case '(':
2306 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2307 break;
2308 case ')':
2309 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2310 break;
2311 case '*':
2312 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2313 break;
2314 case '+':
2315 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2316 break;
2317 #ifdef MULTICHAR_SET
2318 case '$':
2319 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2320 break;
2321 #endif
2322 #ifndef NO_FRILLS
2323 case '6':
2324 rxvt_scr_backindex(aR);
2325 break;
2326 #endif
2327 case '7':
2328 rxvt_scr_cursor(aR_ SAVE);
2329 break;
2330 case '8':
2331 rxvt_scr_cursor(aR_ RESTORE);
2332 break;
2333 #ifndef NO_FRILLS
2334 case '9':
2335 rxvt_scr_forwardindex(aR);
2336 break;
2337 #endif
2338 case '=':
2339 case '>':
2340 PrivMode((ch == '='), PrivMode_aplKP);
2341 break;
2342
2343 case C1_40:
2344 rxvt_cmd_getc(aR);
2345 break;
2346 case C1_44:
2347 rxvt_scr_index(aR_ UP);
2348 break;
2349
2350 /* 8.3.87: NEXT LINE */
2351 case C1_NEL: /* ESC E */
2352 {
2353 uint32_t nlcr[] = { '\n', '\r' };
2354 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2355 }
2356 break;
2357
2358 /* kidnapped escape sequence: Should be 8.3.48 */
2359 case C1_ESA: /* ESC G */
2360 rxvt_process_graphics(aR);
2361 break;
2362
2363 /* 8.3.63: CHARACTER TABULATION SET */
2364 case C1_HTS: /* ESC H */
2365 rxvt_scr_set_tab(aR_ 1);
2366 break;
2367
2368 /* 8.3.105: REVERSE LINE FEED */
2369 case C1_RI: /* ESC M */
2370 rxvt_scr_index(aR_ DN);
2371 break;
2372
2373 /* 8.3.142: SINGLE-SHIFT TWO */
2374 /*case C1_SS2: scr_single_shift (2); break; */
2375
2376 /* 8.3.143: SINGLE-SHIFT THREE */
2377 /*case C1_SS3: scr_single_shift (3); break; */
2378
2379 /* 8.3.27: DEVICE CONTROL STRING */
2380 case C1_DCS: /* ESC P */
2381 rxvt_process_dcs_seq(aR);
2382 break;
2383
2384 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2385 case C1_SCI: /* ESC Z */
2386 R->tt_write((const unsigned char *)ESCZ_ANSWER,
2387 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2388 break; /* steal obsolete ESC [ c */
2389
2390 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2391 case C1_CSI: /* ESC [ */
2392 rxvt_process_csi_seq(aR);
2393 break;
2394
2395 /* 8.3.90: OPERATING SYSTEM COMMAND */
2396 case C1_OSC: /* ESC ] */
2397 rxvt_process_osc_seq(aR);
2398 break;
2399
2400 /* 8.3.106: RESET TO INITIAL STATE */
2401 case 'c':
2402 rxvt_scr_poweron(aR);
2403 rxvt_scrollbar_show(aR_ 1);
2404 break;
2405
2406 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2407 case 'n':
2408 rxvt_scr_charset_choose(aR_ 2);
2409 break;
2410
2411 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2412 case 'o':
2413 rxvt_scr_charset_choose(aR_ 3);
2414 break;
2415 }
2416 }
2417 /*}}} */
2418
2419 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2420 /* *INDENT-OFF* */
2421 enum {
2422 CSI_ICH = 0x40,
2423 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2424 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2425 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2426 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2427 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2428 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2429 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2430 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2431 };
2432
2433 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2434 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2435 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2436 #define get_byte_array_bit(array, bit) \
2437 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2438
2439 const unsigned char csi_defaults[] = {
2440 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2441 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2442 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2443 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2444 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2445 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2446 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2447 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2448 };
2449 /* *INDENT-ON* */
2450
2451 /* INTPROTO */
2452 void
2453 rxvt_process_csi_seq(pR)
2454 {
2455 unsigned char ch, priv, i;
2456 unsigned int nargs, p;
2457 int n, ndef;
2458 int arg[ESC_ARGS];
2459
2460 for (nargs = ESC_ARGS; nargs > 0;)
2461 arg[--nargs] = 0;
2462
2463 priv = 0;
2464 ch = rxvt_cmd_getc(aR);
2465 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2466 priv = ch;
2467 ch = rxvt_cmd_getc(aR);
2468 }
2469 /* read any numerical arguments */
2470 for (n = -1; ch < CSI_ICH; ) {
2471 if (isdigit(ch)) {
2472 if (n < 0)
2473 n = ch - '0';
2474 else
2475 n = n * 10 + ch - '0';
2476 } else if (ch == ';') {
2477 if (nargs < ESC_ARGS)
2478 arg[nargs++] = n;
2479 n = -1;
2480 } else if (ch == '\b') {
2481 rxvt_scr_backspace(aR);
2482 } else if (ch == C0_ESC) {
2483 rxvt_process_escape_seq(aR);
2484 return;
2485 } else if (ch < ' ') {
2486 rxvt_process_nonprinting(aR_ ch);
2487 }
2488 ch = rxvt_cmd_getc(aR);
2489 }
2490
2491 if (ch > CSI_7F)
2492 return;
2493
2494 if (nargs < ESC_ARGS)
2495 arg[nargs++] = n;
2496
2497 i = ch - CSI_ICH;
2498 ndef = get_byte_array_bit(csi_defaults, i);
2499 for (p = 0; p < nargs; p++)
2500 if (arg[p] == -1)
2501 arg[p] = ndef;
2502
2503 #ifdef DEBUG_CMD
2504 fprintf(stderr, "CSI ");
2505 for (p = 0; p < nargs; p++)
2506 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2507 fprintf(stderr, "%c\n", ch);
2508 #endif
2509
2510 /*
2511 * private mode handling
2512 */
2513 if (priv) {
2514 switch (priv) {
2515 case '>':
2516 if (ch == CSI_DA) /* secondary device attributes */
2517 R->tt_printf("\033[>%d;%-.8s;0c", 'R', VSTRING);
2518 break;
2519 case '?':
2520 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2521 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2522 break;
2523 }
2524 return;
2525 }
2526
2527 switch (ch) {
2528 /*
2529 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2530 */
2531 #ifdef PRINTPIPE
2532 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2533 switch (arg[0]) {
2534 case 0: /* initiate transfer to primary aux device */
2535 rxvt_scr_printscreen(aR_ 0);
2536 break;
2537 case 5: /* start relay to primary aux device */
2538 rxvt_process_print_pipe(aR);
2539 break;
2540 }
2541 break;
2542 #endif
2543
2544 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2545 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2546 arg[0] = -arg[0];
2547 /* FALLTHROUGH */
2548 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2549 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2550 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2551 break;
2552
2553 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2554 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2555 #ifdef ISO6429
2556 arg[0] = -arg[0];
2557 #else /* emulate common DEC VTs */
2558 arg[0] = arg[0] ? -arg[0] : -1;
2559 #endif
2560 /* FALLTHROUGH */
2561 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2562 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2563 #ifdef ISO6429
2564 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2565 #else /* emulate common DEC VTs */
2566 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2567 #endif
2568 break;
2569
2570 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2571 arg[0] = -arg[0];
2572 /* FALLTHROUGH */
2573 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2574 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2575 break;
2576
2577 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2578 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2579 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2580 break;
2581
2582 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2583 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2584 break;
2585
2586 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2587 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2588 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2589 break;
2590
2591 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2592 arg[0] = -arg[0];
2593 /* FALLTHROUGH */
2594 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2595 rxvt_scr_tab(aR_ arg[0]);
2596 break;
2597
2598 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2599 rxvt_scr_erase_screen(aR_ arg[0]);
2600 break;
2601
2602 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2603 rxvt_scr_erase_line(aR_ arg[0]);
2604 break;
2605
2606 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2607 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2608 break;
2609
2610 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2611 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2612 break;
2613
2614 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2615 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2616 break;
2617
2618 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2619 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2620 break;
2621
2622 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2623 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2624 break;
2625
2626 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2627 arg[0] = -arg[0];
2628 /* FALLTHROUGH */
2629 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2630 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2631 break;
2632
2633 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2634 R->tt_write((const unsigned char *)VT100_ANS,
2635 (unsigned int)(sizeof(VT100_ANS) - 1));
2636 break;
2637
2638 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2639 rxvt_process_sgr_mode(aR_ nargs, arg);
2640 break;
2641
2642 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2643 switch (arg[0]) {
2644 case 5: /* DSR requested */
2645 R->tt_printf("\033[0n");
2646 break;
2647 case 6: /* CPR requested */
2648 rxvt_scr_report_position(aR);
2649 break;
2650 #if defined (ENABLE_DISPLAY_ANSWER)
2651 case 7: /* unofficial extension */
2652 R->tt_printf("%-.250s\n", R->rs[Rs_display_name]);
2653 break;
2654 #endif
2655 case 8: /* unofficial extension */
2656 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2657 break;
2658 }
2659 break;
2660
2661 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2662 switch (arg[0]) {
2663 case 0: /* char tab stop cleared at active position */
2664 rxvt_scr_set_tab(aR_ 0);
2665 break;
2666 /* case 1: */ /* line tab stop cleared in active line */
2667 /* case 2: */ /* char tab stops cleared in active line */
2668 case 3: /* all char tab stops are cleared */
2669 /* case 4: */ /* all line tab stops are cleared */
2670 case 5: /* all tab stops are cleared */
2671 rxvt_scr_set_tab(aR_ -1);
2672 break;
2673 }
2674 break;
2675
2676 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2677 switch (arg[0]) {
2678 case 0: /* char tab stop set at active position */
2679 rxvt_scr_set_tab(aR_ 1);
2680 break; /* = ESC H */
2681 /* case 1: */ /* line tab stop set at active line */
2682 case 2: /* char tab stop cleared at active position */
2683 rxvt_scr_set_tab(aR_ 0);
2684 break; /* = ESC [ 0 g */
2685 /* case 3: */ /* line tab stop cleared at active line */
2686 /* case 4: */ /* char tab stops cleared at active line */
2687 case 5: /* all char tab stops are cleared */
2688 rxvt_scr_set_tab(aR_ -1);
2689 break; /* = ESC [ 3 g */
2690 /* case 6: */ /* all line tab stops are cleared */
2691 }
2692 break;
2693
2694 case CSI_RM: /* 8.3.107: RESET MODE */
2695 if (arg[0] == 4)
2696 rxvt_scr_insert_mode(aR_ 0);
2697 break;
2698
2699 case CSI_SM: /* 8.3.126: SET MODE */
2700 if (arg[0] == 4)
2701 rxvt_scr_insert_mode(aR_ 1);
2702 break;
2703
2704 /*
2705 * PRIVATE USE beyond this point. All CSI_7? sequences here
2706 */
2707 case CSI_72: /* DECSTBM: set top and bottom margins */
2708 if (nargs == 1)
2709 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2710 else if (nargs == 0 || arg[0] >= arg[1])
2711 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2712 else
2713 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2714 break;
2715
2716 case CSI_73:
2717 rxvt_scr_cursor(aR_ SAVE);
2718 break;
2719 case CSI_75:
2720 rxvt_scr_cursor(aR_ RESTORE);
2721 break;
2722
2723 #ifndef NO_FRILLS
2724 case CSI_74:
2725 rxvt_process_window_ops(aR_ arg, nargs);
2726 break;
2727 #endif
2728
2729 case CSI_78: /* DECREQTPARM */
2730 if (arg[0] == 0 || arg[0] == 1)
2731 R->tt_printf("\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2732 /* FALLTHROUGH */
2733
2734 default:
2735 break;
2736 }
2737 }
2738 /*}}} */
2739
2740 #ifndef NO_FRILLS
2741 /* ARGSUSED */
2742 /* INTPROTO */
2743 void
2744 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2745 {
2746 int x, y;
2747 #if 0
2748 char *s;
2749 #endif
2750 XWindowAttributes wattr;
2751 Window wdummy;
2752
2753 if (nargs == 0)
2754 return;
2755 switch (args[0]) {
2756 /*
2757 * commands
2758 */
2759 case 1: /* deiconify window */
2760 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2761 break;
2762 case 2: /* iconify window */
2763 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2764 DefaultScreen(R->Xdisplay));
2765 break;
2766 case 3: /* set position (pixels) */
2767 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2768 break;
2769 case 4: /* set size (pixels) */
2770 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2771 break;
2772 case 5: /* raise window */
2773 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2774 break;
2775 case 6: /* lower window */
2776 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2777 break;
2778 case 7: /* refresh window */
2779 rxvt_scr_touch(aR_ True);
2780 break;
2781 case 8: /* set size (chars) */
2782 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2783 (unsigned int)(args[1] * R->TermWin.fheight));
2784 break;
2785 default:
2786 if (args[0] >= 24) /* set height (chars) */
2787 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2788 (unsigned int)(args[1] * R->TermWin.fheight));
2789 break;
2790 /*
2791 * reports - some output format copied from XTerm
2792 */
2793 case 11: /* report window state */
2794 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2795 R->tt_printf("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2796 break;
2797 case 13: /* report window position */
2798 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2799 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2800 -wattr.border_width, -wattr.border_width,
2801 &x, &y, &wdummy);
2802 R->tt_printf("\033[3;%d;%dt", x, y);
2803 break;
2804 case 14: /* report window size (pixels) */
2805 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2806 R->tt_printf("\033[4;%d;%dt", wattr.height, wattr.width);
2807 break;
2808 case 18: /* report window size (chars) */
2809 R->tt_printf("\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2810 break;
2811 #if 0 /* XXX: currently disabled due to security concerns */
2812 case 20: /* report icon label */
2813 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2814 R->tt_printf("\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2815 break;
2816 case 21: /* report window title */
2817 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2818 R->tt_printf("\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2819 break;
2820 #endif
2821 }
2822 }
2823 #endif
2824
2825 /*----------------------------------------------------------------------*/
2826 /*
2827 * get input up until STRING TERMINATOR (or BEL)
2828 * ends_how is terminator used. returned input must be free()d
2829 */
2830 /* INTPROTO */
2831 unsigned char *
2832 rxvt_get_to_st(pR_ unsigned char *ends_how)
2833 {
2834 int seen_esc = 0; /* seen escape? */
2835 unsigned int n = 0;
2836 unsigned char *s;
2837 unsigned char ch, string[STRING_MAX];
2838
2839 for (; (ch = rxvt_cmd_getc(aR));) {
2840 if (ch == C0_BEL
2841 || ch == CHAR_ST
2842 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2843 break;
2844 if (ch == C0_ESC) {
2845 seen_esc = 1;
2846 continue;
2847 } else if (ch == '\t')
2848 ch = ' '; /* translate '\t' to space */
2849 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2850 return NULL; /* other control character - exit */
2851 if (n < sizeof(string) - 1)
2852 string[n++] = ch;
2853 seen_esc = 0;
2854 }
2855 string[n++] = '\0';
2856 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2857 return NULL;
2858 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2859 STRNCPY(s, string, n);
2860 return s;
2861 }
2862
2863 /*----------------------------------------------------------------------*/
2864 /*
2865 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2866 */
2867 /* INTPROTO */
2868 void
2869 rxvt_process_dcs_seq(pR)
2870 {
2871 unsigned char eh, *s;
2872 /*
2873 * Not handled yet
2874 */
2875 s = rxvt_get_to_st(aR_ &eh);
2876 if (s)
2877 free(s);
2878 return;
2879 }
2880
2881 /*----------------------------------------------------------------------*/
2882 /*
2883 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2884 */
2885 /* INTPROTO */
2886 void
2887 rxvt_process_osc_seq(pR)
2888 {
2889 unsigned char ch, eh, *s;
2890 int arg;
2891
2892 ch = rxvt_cmd_getc(aR);
2893 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2894 arg = arg * 10 + (ch - '0');
2895
2896 if (ch == ';') {
2897 s = rxvt_get_to_st(aR_ &eh);
2898 if (s) {
2899 /*
2900 * rxvt_menubar_dispatch() violates the constness of the string,
2901 * so do it here
2902 */
2903 if (arg == XTerm_Menu)
2904 #if 0 /* XXX: currently disabled due to security concerns */
2905 rxvt_menubar_dispatch(aR_ (char *)s);
2906 #else
2907 0;
2908 #endif
2909 else
2910 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2911 free(s);
2912 }
2913 }
2914 }
2915 /*
2916 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2917 * 0 = change iconName/title
2918 * 1 = change iconName
2919 * 2 = change title
2920 * 4 = change color
2921 * 12 = change text color
2922 * 13 = change mouse foreground color
2923 * 17 = change highlight character colour
2924 * 18 = change bold character color
2925 * 19 = change underlined character color
2926 * 46 = change logfile (not implemented)
2927 * 50 = change font
2928 *
2929 * rxvt extensions:
2930 * 10 = menu (may change in future)
2931 * 20 = bg pixmap
2932 * 39 = change default fg color
2933 * 49 = change default bg color
2934 * 55 = dump scrollback buffer and all of screen
2935 */
2936 /* EXTPROTO */
2937 void
2938 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2939 {
2940 int changed = 0;
2941 int color;
2942 char *buf, *name;
2943
2944 assert(str != NULL);
2945 switch (op) {
2946 case XTerm_name:
2947 rxvt_set_title(aR_ str);
2948 /* FALLTHROUGH */
2949 case XTerm_iconName:
2950 rxvt_set_iconName(aR_ str);
2951 break;
2952 case XTerm_title:
2953 rxvt_set_title(aR_ str);
2954 break;
2955 case XTerm_Color:
2956 for (buf = (char *)str; buf && *buf;) {
2957 if ((name = STRCHR(buf, ';')) == NULL)
2958 break;
2959 *name++ = '\0';
2960 color = atoi(buf);
2961 if (color < 0 || color >= TOTAL_COLORS)
2962 break;
2963 if ((buf = STRCHR(name, ';')) != NULL)
2964 *buf++ = '\0';
2965 rxvt_set_window_color(aR_ color + minCOLOR, name);
2966 }
2967 break;
2968 #ifndef NO_CURSORCOLOR
2969 case XTerm_Color_cursor:
2970 rxvt_set_window_color(aR_ Color_cursor, str);
2971 break;
2972 #endif
2973 case XTerm_Color_pointer:
2974 rxvt_set_window_color(aR_ Color_pointer, str);
2975 break;
2976 #ifndef NO_BOLD_UNDERLINE_REVERSE
2977 case XTerm_Color_BD:
2978 rxvt_set_window_color(aR_ Color_BD, str);
2979 break;
2980 case XTerm_Color_UL:
2981 rxvt_set_window_color(aR_ Color_UL, str);
2982 break;
2983 case XTerm_Color_RV:
2984 rxvt_set_window_color(aR_ Color_RV, str);
2985 break;
2986 #endif
2987
2988 case XTerm_Menu:
2989 /*
2990 * rxvt_menubar_dispatch() violates the constness of the string,
2991 * so DON'T do it here
2992 */
2993 break;
2994 case XTerm_Pixmap:
2995 if (*str != ';') {
2996 #if XPM_BACKGROUND
2997 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2998 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2999 #endif
3000 rxvt_scr_touch(aR_ True);
3001 }
3002 while ((str = STRCHR(str, ';')) != NULL) {
3003 str++;
3004 #if XPM_BACKGROUND
3005 changed += rxvt_scale_pixmap(aR_ str);
3006 #endif
3007 }
3008 if (changed) {
3009 #ifdef XPM_BACKGROUND
3010 rxvt_resize_pixmap(aR);
3011 #endif
3012 rxvt_scr_touch(aR_ True);
3013 }
3014 break;
3015
3016 case XTerm_restoreFG:
3017 rxvt_set_window_color(aR_ Color_fg, str);
3018 break;
3019 case XTerm_restoreBG:
3020 rxvt_set_window_color(aR_ Color_bg, str);
3021 break;
3022 case XTerm_logfile:
3023 break;
3024 case XTerm_font:
3025 rxvt_change_font(aR_ 0, str);
3026 break;
3027 #if 0
3028 case XTerm_dumpscreen: /* no error notices */
3029 {
3030 int fd;
3031 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
3032 rxvt_scr_dump(aR_ fd);
3033 close(fd);
3034 }
3035 }
3036 break;
3037 #endif
3038 }
3039 }
3040 /*----------------------------------------------------------------------*/
3041
3042 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
3043 /*
3044 * mode can only have the following values:
3045 * 'l' = low
3046 * 'h' = high
3047 * 's' = save
3048 * 'r' = restore
3049 * 't' = toggle
3050 * so no need for fancy checking
3051 */
3052 /* INTPROTO */
3053 int
3054 rxvt_privcases(pR_ int mode, unsigned long bit)
3055 {
3056 int state;
3057
3058 if (mode == 's') {
3059 R->SavedModes |= (R->PrivateModes & bit);
3060 return -1;
3061 } else {
3062 if (mode == 'r')
3063 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */
3064 else
3065 state = (mode == 't') ? !(R->PrivateModes & bit) : mode;
3066 PrivMode(state, bit);
3067 }
3068 return state;
3069 }
3070
3071 /* we're not using priv _yet_ */
3072 /* INTPROTO */
3073 void
3074 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3075 {
3076 unsigned int i, j;
3077 int state;
3078 static const struct {
3079 const int argval;
3080 const unsigned long bit;
3081 } argtopriv[] = {
3082 { 1, PrivMode_aplCUR },
3083 { 2, PrivMode_vt52 },
3084 { 3, PrivMode_132 },
3085 { 4, PrivMode_smoothScroll },
3086 { 5, PrivMode_rVideo },
3087 { 6, PrivMode_relOrigin },
3088 { 7, PrivMode_Autowrap },
3089 { 9, PrivMode_MouseX10 },
3090 #ifdef menuBar_esc
3091 { menuBar_esc, PrivMode_menuBar },
3092 #endif
3093 #ifdef scrollBar_esc
3094 { scrollBar_esc, PrivMode_scrollBar },
3095 #endif
3096 { 25, PrivMode_VisibleCursor },
3097 { 35, PrivMode_ShiftKeys },
3098 { 40, PrivMode_132OK },
3099 { 47, PrivMode_Screen },
3100 { 66, PrivMode_aplKP },
3101 #ifndef NO_BACKSPACE_KEY
3102 { 67, PrivMode_BackSpace },
3103 #endif
3104 { 1000, PrivMode_MouseX11 },
3105 { 1010, PrivMode_TtyOutputInh },
3106 { 1011, PrivMode_Keypress },
3107 { 1047, PrivMode_Screen },
3108 };
3109
3110 if (nargs == 0)
3111 return;
3112
3113 /* make lo/hi boolean */
3114 if (mode == 'l')
3115 mode = 0; /* reset */
3116 else if (mode == 'h')
3117 mode = 1; /* set */
3118
3119 for (i = 0; i < nargs; i++) {
3120 state = -1;
3121
3122 /* basic handling */
3123 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3124 if (argtopriv[j].argval == arg[i]) {
3125 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3126 break;
3127 }
3128
3129 /* extra handling for values with state unkept */
3130 if (state == -1)
3131 switch (arg[i]) {
3132 case 1048: /* alternative cursor save */
3133 if (mode == 0)
3134 rxvt_scr_cursor(aR_ RESTORE);
3135 else if (mode == 1)
3136 rxvt_scr_cursor(aR_ SAVE);
3137 /* FALLTHROUGH */
3138 default:
3139 continue; /* for(;i;) */
3140 }
3141
3142 /* extra handling for values with valid 0 or 1 state */
3143 switch (arg[i]) {
3144 /* case 1: - application cursor keys */
3145 case 2: /* VT52 mode */
3146 /* oddball mode. should be set regardless of set/reset
3147 * parameter. Return from VT52 mode with an ESC < from
3148 * within VT52 mode
3149 */
3150 PrivMode(1, PrivMode_vt52);
3151 break;
3152 case 3: /* 80/132 */
3153 if (R->PrivateModes & PrivMode_132OK)
3154 rxvt_set_widthheight(aR_
3155 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3156 (unsigned int)R->TermWin.height);
3157 break;
3158 case 4: /* smooth scrolling */
3159 if (state)
3160 R->Options &= ~Opt_jumpScroll;
3161 else
3162 R->Options |= Opt_jumpScroll;
3163 break;
3164 case 5: /* reverse video */
3165 rxvt_scr_rvideo_mode(aR_ state);
3166 break;
3167 case 6: /* relative/absolute origins */
3168 rxvt_scr_relative_origin(aR_ state);
3169 break;
3170 case 7: /* autowrap */
3171 rxvt_scr_autowrap(aR_ state);
3172 break;
3173 /* case 8: - auto repeat, can't do on a per window basis */
3174 case 9: /* X10 mouse reporting */
3175 if (state) /* orthogonal */
3176 R->PrivateModes &= ~(PrivMode_MouseX11);
3177 break;
3178 #ifdef menuBar_esc
3179 case menuBar_esc:
3180 #ifdef MENUBAR
3181 rxvt_map_menuBar(aR_ state);
3182 #endif
3183 break;
3184 #endif
3185 #ifdef scrollBar_esc
3186 case scrollBar_esc:
3187 if (rxvt_scrollbar_mapping(aR_ state)) {
3188 rxvt_resize_all_windows(aR_ 0, 0, 0);
3189 rxvt_scr_touch(aR_ True);
3190 }
3191 break;
3192 #endif
3193 case 25: /* visible/invisible cursor */
3194 rxvt_scr_cursor_visible(aR_ state);
3195 break;
3196 /* case 35: - shift keys */
3197 /* case 40: - 80 <--> 132 mode */
3198 case 47: /* secondary screen */
3199 rxvt_scr_change_screen(aR_ state);
3200 break;
3201 /* case 66: - application key pad */
3202 /* case 67: - backspace key */
3203 case 1000: /* X11 mouse reporting */
3204 if (state) /* orthogonal */
3205 R->PrivateModes &= ~(PrivMode_MouseX10);
3206 break;
3207 #if 0
3208 case 1001:
3209 break; /* X11 mouse highlighting */
3210 #endif
3211 case 1010: /* scroll to bottom on TTY output inhibit */
3212 if (state)
3213 R->Options &= ~Opt_scrollTtyOutput;
3214 else
3215 R->Options |= Opt_scrollTtyOutput;
3216 break;
3217 case 1011: /* scroll to bottom on key press */
3218 if (state)
3219 R->Options |= Opt_scrollTtyKeypress;
3220 else
3221 R->Options &= ~Opt_scrollTtyKeypress;
3222 break;
3223 case 1047: /* secondary screen w/ clearing */
3224 if (R->current_screen != PRIMARY)
3225 rxvt_scr_erase_screen(aR_ 2);
3226 rxvt_scr_change_screen(aR_ state);
3227 /* FALLTHROUGH */
3228 default:
3229 break;
3230 }
3231 }
3232 }
3233 /*}}} */
3234
3235 /*{{{ process sgr sequences */
3236 /* INTPROTO */
3237 void
3238 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3239 {
3240 unsigned int i;
3241 short rendset;
3242 int rendstyle;
3243
3244 if (nargs == 0) {
3245 rxvt_scr_rendition(aR_ 0, ~RS_None);
3246 return;
3247 }
3248 for (i = 0; i < nargs; i++) {
3249 rendset = -1;
3250 switch (arg[i]) {
3251 case 0:
3252 rendset = 0, rendstyle = ~RS_None;
3253 break;
3254 case 1:
3255 rendset = 1, rendstyle = RS_Bold;
3256 break;
3257 case 4:
3258 rendset = 1, rendstyle = RS_Uline;
3259 break;
3260 case 5:
3261 rendset = 1, rendstyle = RS_Blink;
3262 break;
3263 case 7:
3264 rendset = 1, rendstyle = RS_RVid;
3265 break;
3266 case 22:
3267 rendset = 0, rendstyle = RS_Bold;
3268 break;
3269 case 24:
3270 rendset = 0, rendstyle = RS_Uline;
3271 break;
3272 case 25:
3273 rendset = 0, rendstyle = RS_Blink;
3274 break;
3275 case 27:
3276 rendset = 0, rendstyle = RS_RVid;
3277 break;
3278 }
3279 if (rendset != -1) {
3280 rxvt_scr_rendition(aR_ rendset, rendstyle);
3281 continue; /* for(;i;) */
3282 }
3283
3284 switch (arg[i]) {
3285 case 30:
3286 case 31: /* set fg color */
3287 case 32:
3288 case 33:
3289 case 34:
3290 case 35:
3291 case 36:
3292 case 37:
3293 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3294 Color_fg);
3295 break;
3296 #ifdef TTY_256COLOR
3297 case 38:
3298 if (nargs > i + 2 && arg[i + 1] == 5) {
3299 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3300 Color_fg);
3301 i += 2;
3302 }
3303 break;
3304 #endif
3305 case 39: /* default fg */
3306 rxvt_scr_color(aR_ Color_fg, Color_fg);
3307 break;
3308
3309 case 40:
3310 case 41: /* set bg color */
3311 case 42:
3312 case 43:
3313 case 44:
3314 case 45:
3315 case 46:
3316 case 47:
3317 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3318 Color_bg);
3319 break;
3320 #ifdef TTY_256COLOR
3321 case 48:
3322 if (nargs > i + 2 && arg[i + 1] == 5) {
3323 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3324 Color_bg);
3325 i += 2;
3326 }
3327 break;
3328 #endif
3329 case 49: /* default bg */
3330 rxvt_scr_color(aR_ Color_bg, Color_bg);
3331 break;
3332
3333 #ifndef NO_BRIGHTCOLOR
3334 case 90:
3335 case 91: /* set bright fg color */
3336 case 92:
3337 case 93:
3338 case 94:
3339 case 95:
3340 case 96:
3341 case 97:
3342 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3343 Color_fg);
3344 break;
3345 case 100:
3346 case 101: /* set bright bg color */
3347 case 102:
3348 case 103:
3349 case 104:
3350 case 105:
3351 case 106:
3352 case 107:
3353 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3354 Color_bg);
3355 break;
3356 #endif
3357 }
3358 }
3359 }
3360 /*}}} */
3361
3362 /*{{{ process Rob Nation's own graphics mode sequences */
3363 /* INTPROTO */
3364 void
3365 rxvt_process_graphics(pR)
3366 {
3367 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3368
3369 #ifndef RXVT_GRAPHICS
3370 if (cmd == 'Q') { /* query graphics */
3371 R->tt_printf("\033G0\n"); /* no graphics */
3372 return;
3373 }
3374 /* swallow other graphics sequences until terminating ':' */
3375 do
3376 ch = rxvt_cmd_getc(aR);
3377 while (ch != ':');
3378 #else
3379 unsigned int nargs;
3380 int args[NGRX_PTS];
3381 unsigned char *text = NULL;
3382
3383 if (cmd == 'Q') { /* query graphics */
3384 R->tt_printf("\033G1\n"); /* yes, graphics (color) */
3385 return;
3386 }
3387 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3388 int neg;
3389
3390 ch = rxvt_cmd_getc(aR);
3391 neg = (ch == '-');
3392 if (neg || ch == '+')
3393 ch = rxvt_cmd_getc(aR);
3394
3395 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3396 args[nargs] = args[nargs] * 10 + (ch - '0');
3397 if (neg)
3398 args[nargs] = -args[nargs];
3399
3400 nargs++;
3401 args[nargs] = 0;
3402 if (ch != ';')
3403 break;
3404 }
3405
3406 if ((cmd == 'T') && (nargs >= 5)) {
3407 int i, len = args[4];
3408
3409 text = rxvt_malloc((len + 1) * sizeof(char));
3410
3411 if (text != NULL) {
3412 for (i = 0; i < len; i++)
3413 text[i] = rxvt_cmd_getc(aR);
3414 text[len] = '\0';
3415 }
3416 }
3417 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3418 #endif
3419 }
3420 /*}}} */
3421
3422 /* ------------------------------------------------------------------------- */
3423
3424 /*
3425 * Send printf() formatted output to the command.
3426 * Only use for small amounts of data.
3427 */
3428 void
3429 rxvt_term::tt_printf (const char *fmt,...)
3430 {
3431 va_list arg_ptr;
3432 unsigned char buf[256];
3433
3434 va_start (arg_ptr, fmt);
3435 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3436 va_end (arg_ptr);
3437 tt_write (buf, STRLEN (buf));
3438 }
3439
3440 /* ---------------------------------------------------------------------- */
3441 /* Write data to the pty as typed by the user, pasted with the mouse,
3442 * or generated by us in response to a query ESC sequence.
3443 */
3444 void
3445 rxvt_term::tt_write (const unsigned char *data, unsigned int len)
3446 {
3447 enum { MAX_PTY_WRITE = 255 }; // minimum MAX_INPUT
3448
3449 if (len)
3450 {
3451 if (v_buflen == 0)
3452 {
3453 int written = write (cmd_fd, data, min (MAX_PTY_WRITE, len));
3454 if (written == len)
3455 return;
3456
3457 data += written;
3458 len -= written;
3459 }
3460
3461
3462 v_buffer = (unsigned char *)realloc (v_buffer, v_buflen + len);
3463
3464 memcpy (v_buffer + v_buflen, data, len);
3465 v_buflen += len;
3466 }
3467
3468 for (;;)
3469 {
3470 int written = write (cmd_fd, v_buffer, min (MAX_PTY_WRITE, v_buflen));
3471
3472 if (written > 0)
3473 {
3474 v_buflen -= written;
3475
3476 if (v_buflen == 0)
3477 {
3478 free (v_buffer);
3479 v_buffer = 0;
3480 v_buflen = 0;
3481
3482 pty_ev.set (EVENT_READ);
3483 return;
3484 }
3485
3486 memmove (v_buffer, v_buffer + written, v_buflen);
3487 }
3488 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3489 // original code just ignores this...
3490 destroy ();
3491 else
3492 {
3493 pty_ev.set (EVENT_READ | EVENT_WRITE);
3494 return;
3495 }
3496 }
3497 }
3498
3499 /*----------------------- end-of-file (C source) -----------------------*/
3500