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/cvs/rxvt-unicode/src/command.C
Revision: 1.1
Committed: Mon Nov 24 17:28:08 2003 UTC (20 years, 5 months ago) by pcg
Content type: text/plain
Branch: MAIN
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File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.14 2003/11/23 19:45:54 root 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->h->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->h->ModMetaMask);
80 if (R->numlock_state || (ev->state & R->h->ModNumLockMask)) {
81 R->numlock_state = (ev->state & R->h->ModNumLockMask);
82 PrivMode((!R->numlock_state), PrivMode_aplKP);
83 }
84 #ifdef USE_XIM
85 if (R->h->Input_Context != NULL) {
86 Status status_return;
87
88 kbuf[0] = '\0';
89 #ifdef X_HAVE_UTF8_STRING
90 len = Xutf8LookupString(R->h->Input_Context, ev, (char *)kbuf,
91 KBUFSZ, &keysym, &status_return);
92 #else
93 len = XmbLookupString(R->h->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->h->compose);
101 valid_keysym = 1;
102 }
103 #else /* USE_XIM */
104 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
105 &R->h->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->h->ks_bigfont) {
132 rxvt_change_font(aR_ 0, FONT_UP);
133 return;
134 } else if (keysym == R->h->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->h->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->h->ks_greekmodeswith) {
215 R->h->greek_mode = !R->h->greek_mode;
216 if (R->h->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->h->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->h->Keysym_map[keysym & 0xFF]);
235 l = (unsigned int)*kbuf0++;
236
237 /* escape prefix */
238 if (meta)
239 # ifdef META8_OPTION
240 if (R->h->meta_char == C0_ESC)
241 # endif
242 rxvt_tt_write(aR_ &ch, 1);
243 rxvt_tt_write(aR_ kbuf0, l);
244 return;
245 } else
246 #endif
247 {
248 newlen = 1;
249 switch (keysym) {
250 #ifndef NO_BACKSPACE_KEY
251 case XK_BackSpace:
252 if (R->h->PrivateModes & PrivMode_HaveBackSpace) {
253 kbuf[0] = (!!(R->h->PrivateModes & PrivMode_BackSpace)
254 ^ !!ctrl) ? '\b' : '\177';
255 kbuf[1] = '\0';
256 } else
257 STRCPY(kbuf, R->h->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->h->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->h->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->h->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->h->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->h->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->h->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->h->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->h->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->h->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->h->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->h->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->h->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->h->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->h->meta_char == C0_ESC)
606 #endif
607 ) {
608 const unsigned char ch = C0_ESC;
609
610 rxvt_tt_write(aR_ &ch, 1);
611 }
612 #ifdef DEBUG_CMD
613 if (debug_key) { /* Display keyboard buffer contents */
614 char *p;
615 int i;
616
617 fprintf(stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
618 for (i = 0, p = kbuf; i < len; i++, p++)
619 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
620 fprintf(stderr, "'\n");
621 }
622 #endif /* DEBUG_CMD */
623 rxvt_tt_write(aR_ kbuf, (unsigned int)len);
624 }
625 /*}}} */
626
627 #if (MENUBAR_MAX)
628 /*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
629 /* attempt to `write' count to the input buffer */
630 /* EXTPROTO */
631 unsigned int
632 rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
633 {
634 unsigned int n, s;
635 unsigned char *cmdbuf_base = R->h->cmdbuf_base,
636 *cmdbuf_endp = R->h->cmdbuf_endp,
637 *cmdbuf_ptr = R->h->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->h->cmdbuf_ptr = cmdbuf_ptr;
655 R->h->cmdbuf_endp = cmdbuf_endp;
656 return 0;
657 }
658 #endif /* MENUBAR_MAX */
659
660 // read the next character, currently handles UTF-8
661 // will probably handle all sorts of other stuff in the future
662 static uint32_t
663 next_char (pR)
664 {
665 rxvt_hidden *h = R->h;
666 mbstate &s = h->mbstate;
667
668 while (h->cmdbuf_ptr < h->cmdbuf_endp)
669 {
670 uint8_t ch = *h->cmdbuf_ptr;
671
672 if (s.cnt)
673 {
674 if ((ch & 0xc0) == 0x80)
675 {
676 h->cmdbuf_ptr++;
677
678 /* continuation */
679 s.reg = (s.reg << 6) | (ch & 0x7f);
680
681 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or hacking */
682 return s.reg;
683
684 continue;
685 }
686 else
687 {
688 s.cnt = 0;
689 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */
690 }
691 }
692
693 if ((ch & 0xc0) == 0xc0)
694 {
695 h->cmdbuf_ptr++;
696
697 /* first byte */
698 s.orig = ch; /* for broken encodings */
699 s.reg = ch;
700 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; }
701 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; }
702 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; }
703 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; }
704 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; }
705 }
706 else
707 {
708 h->cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */
709 return ch;
710 }
711 }
712
713 return NOCHAR;
714 }
715
716 /* rxvt_cmd_getc() - Return next input character */
717 /*
718 * Return the next input character after first passing any keyboard input
719 * to the command.
720 */
721 /* INTPROTO */
722 uint32_t
723 rxvt_cmd_getc(pR)
724 {
725 #define TIMEOUT_USEC 5000
726 fd_set readfds;
727 int quick_timeout, select_res;
728 int want_motion_time, want_keypress_time;
729 struct timeval value;
730 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
731 struct timeval tp;
732 #endif
733 struct rxvt_hidden *h = R->h;
734
735 uint32_t c = next_char (aR);
736 if (c != NOCHAR)
737 return c;
738
739 for (;;) {
740 /* loop until we can return something */
741
742 if (h->v_bufstr < h->v_bufptr) /* output any pending chars */
743 rxvt_tt_write(aR_ NULL, 0);
744
745 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
746 tp.tv_sec = 0; /* presume == 0 implies time not yet retrieved */
747 #endif
748 #if defined(CURSOR_BLINK)
749 want_keypress_time = 0;
750 #endif
751 #if defined(POINTER_BLANK)
752 want_motion_time = 0;
753 #endif
754
755 while (XPending(R->Xdisplay)) { /* process pending X events */
756 XEvent xev;
757
758 XNextEvent(R->Xdisplay, &xev);
759 #if defined(CURSOR_BLINK)
760 if ((R->Options & Opt_cursorBlink)
761 && xev.type == KeyPress) {
762 if (h->hidden_cursor) {
763 h->hidden_cursor = 0;
764 h->want_refresh = 1;
765 }
766 want_keypress_time = 1;
767 }
768 #endif
769 #if defined(POINTER_BLANK)
770 if ((R->Options & Opt_pointerBlank)
771 && (h->pointerBlankDelay > 0)) {
772 if (xev.type == MotionNotify
773 || xev.type == ButtonPress
774 || xev.type == ButtonRelease) {
775 if (R->h->hidden_pointer)
776 rxvt_pointer_unblank(aR);
777 want_motion_time = 1;
778 }
779 if (xev.type == KeyPress && R->h->hidden_pointer == 0)
780 rxvt_pointer_blank(aR);
781 }
782 #endif
783 #ifdef USE_XIM
784 if (!XFilterEvent(&xev, xev.xany.window))
785 rxvt_process_x_event(aR_ &xev);
786 h->event_type = xev.type;
787 #else
788 rxvt_process_x_event(aR_ &xev);
789 #endif
790 /* in case button actions pushed chars to cmdbuf */
791 if (h->cmdbuf_ptr < h->cmdbuf_endp)
792 return *h->cmdbuf_ptr++;
793 }
794
795 #if defined(CURSOR_BLINK)
796 if (want_keypress_time) {
797 (void)gettimeofday(&tp, NULL);
798 h->lastcursorchange.tv_sec = tp.tv_sec;
799 h->lastcursorchange.tv_usec = tp.tv_usec;
800 }
801 #endif
802 #if defined(POINTER_BLANK)
803 if (want_motion_time) {
804 if (!tp.tv_sec)
805 (void)gettimeofday(&tp, NULL);
806 h->lastmotion.tv_sec = tp.tv_sec;
807 h->lastmotion.tv_usec = tp.tv_usec;
808 }
809 #endif
810
811 /*
812 * the command input buffer is empty and we have no pending X events
813 */
814 quick_timeout = 0;
815
816 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
817 if (h->mouse_slip_wheel_speed) {
818 quick_timeout = 1;
819 if (!h->mouse_slip_wheel_delay--
820 && rxvt_scr_page(aR_ h->mouse_slip_wheel_speed > 0 ? UP : DN,
821 abs(h->mouse_slip_wheel_speed))) {
822 h->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
823 h->refresh_type |= SMOOTH_REFRESH;
824 h->want_refresh = 1;
825 }
826 }
827 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
828 #ifdef SELECTION_SCROLLING
829 if (h->pending_scroll_selection) {
830 quick_timeout = 1;
831 if (!h->scroll_selection_delay--
832 && rxvt_scr_page(aR_ h->scroll_selection_dir,
833 h->scroll_selection_lines)) {
834 rxvt_selection_extend(aR_ h->selection_save_x,
835 h->selection_save_y, h->selection_save_state);
836 h->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
837 h->refresh_type |= SMOOTH_REFRESH;
838 h->want_refresh = 1;
839 }
840 }
841 #endif
842 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
843 if (scrollbar_isUp() || scrollbar_isDn()) {
844 quick_timeout = 1;
845 if (!h->scroll_arrow_delay--
846 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
847 h->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
848 h->refresh_type |= SMOOTH_REFRESH;
849 h->want_refresh = 1;
850 }
851 }
852 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
853
854 FD_ZERO(&readfds);
855 FD_SET(R->cmd_fd, &readfds);
856 FD_SET(R->Xfd, &readfds);
857 value.tv_usec = TIMEOUT_USEC;
858 value.tv_sec = 0;
859
860 if (!R->TermWin.mapped)
861 quick_timeout = 0;
862 else {
863 quick_timeout |= h->want_refresh;
864 #ifdef TRANSPARENT
865 quick_timeout |= h->want_full_refresh;
866 #endif
867 }
868
869 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
870 {
871 int set_quick_timeout = 0;
872 long csdiff, psdiff;
873
874 #define BLINK_TIME 500000L
875 csdiff = psdiff = 60000000L; /* or, say, LONG_MAX */
876 # if defined(CURSOR_BLINK)
877 if (R->Options & Opt_cursorBlink) {
878 if (!tp.tv_sec) /* didn't get it before so get it now */
879 (void)gettimeofday(&tp, NULL);
880
881 csdiff = (tp.tv_sec - h->lastcursorchange.tv_sec) * 1000000L
882 + tp.tv_usec - h->lastcursorchange.tv_usec;
883 if (csdiff > BLINK_TIME) { /* XXX: settable blink times */
884 h->lastcursorchange.tv_sec = tp.tv_sec;
885 h->lastcursorchange.tv_usec = tp.tv_usec;
886 h->hidden_cursor = !h->hidden_cursor;
887 csdiff = 0;
888 } else
889 csdiff = BLINK_TIME - csdiff;
890 set_quick_timeout = 1;
891 }
892 # endif
893 # if defined(POINTER_BLANK)
894 /*
895 * If we haven't moved the pointer for a while
896 */
897 if ((R->Options & Opt_pointerBlank)
898 && (h->pointerBlankDelay > 0)
899 && (h->hidden_pointer == 0)) {
900 long pdelay;
901
902 if (!tp.tv_sec) /* didn't get it before so get it now */
903 (void)gettimeofday(&tp, NULL);
904 psdiff = (tp.tv_sec - h->lastmotion.tv_sec) * 1000000L
905 + tp.tv_usec - h->lastmotion.tv_usec;
906 pdelay = h->pointerBlankDelay * 1000000L;
907 if (psdiff >= pdelay)
908 rxvt_pointer_blank(aR);
909 else {
910 set_quick_timeout = 1;
911 psdiff = pdelay - psdiff;
912 }
913 }
914 # endif
915 if (!quick_timeout && set_quick_timeout) {
916 MIN_IT(csdiff, psdiff);
917 value.tv_sec = csdiff / 1000000L;
918 value.tv_usec = csdiff % 1000000L;
919 quick_timeout = 1;
920 }
921 }
922 #endif
923
924 if ((select_res = select(R->num_fds, &readfds, NULL, NULL,
925 (quick_timeout ? &value : NULL))) == 0) {
926 /* select statement timed out - we're not hard and fast scrolling */
927 h->refresh_limit = 1;
928 }
929 #if defined(CURSOR_BLINK)
930 if (R->Options & Opt_cursorBlink)
931 h->want_refresh = 1;
932 #endif
933
934 /* See if we can read new data from the application */
935 if (select_res > 0 && FD_ISSET(R->cmd_fd, &readfds)) {
936 int n;
937 unsigned int count;
938
939 h->cmdbuf_ptr = h->cmdbuf_endp = h->cmdbuf_base;
940 for (count = BUFSIZ; count; count -= n, h->cmdbuf_endp += n)
941 if ((n = read(R->cmd_fd, h->cmdbuf_endp, count)) > 0)
942 continue;
943 else if (n == 0 || (n < 0 && errno == EAGAIN))
944 break;
945 else {
946 rxvt_clean_exit();
947 exit(EXIT_FAILURE); /* bad order of events? */
948 }
949
950 if (count != BUFSIZ) /* some characters read in */
951 {
952 uint32_t c = next_char (aR);
953 if (c != NOCHAR)
954 return c;
955 }
956 }
957 #ifdef TRANSPARENT
958 if (h->want_full_refresh) {
959 h->want_full_refresh = 0;
960 rxvt_scr_clear(aR);
961 rxvt_scr_touch(aR_ False);
962 h->want_refresh = 1;
963 }
964 #endif
965 if (h->want_refresh) {
966 rxvt_scr_refresh(aR_ h->refresh_type);
967 rxvt_scrollbar_show(aR_ 1);
968 #ifdef USE_XIM
969 rxvt_IMSendSpot(aR);
970 #endif
971 }
972 }
973 /* NOTREACHED */
974 }
975 /*}}} */
976
977 /* EXTPROTO */
978 void
979 rxvt_pointer_unblank(pR)
980 {
981 XDefineCursor(R->Xdisplay, R->TermWin.vt, R->TermWin_cursor);
982 rxvt_recolour_cursor(aR);
983 #ifdef POINTER_BLANK
984 R->h->hidden_pointer = 0;
985 if (R->h->pointerBlankDelay > 0) {
986 struct timeval tp;
987
988 (void)gettimeofday(&tp, NULL);
989 R->h->lastmotion.tv_sec = tp.tv_sec;
990 R->h->lastmotion.tv_usec = tp.tv_usec;
991 }
992 #endif
993 }
994
995 #ifdef POINTER_BLANK
996 /* INTPROTO */
997 void
998 rxvt_pointer_blank(pR)
999 {
1000 XDefineCursor(R->Xdisplay, R->TermWin.vt, R->h->pointer_blank);
1001 XFlush(R->Xdisplay);
1002 R->h->hidden_pointer = 1;
1003 }
1004 #endif
1005
1006 /* INTPROTO */
1007 void
1008 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1009 {
1010 int button_number, key_state = 0;
1011 int x, y;
1012
1013 x = ev->x;
1014 y = ev->y;
1015 rxvt_pixel_position(aR_ &x, &y);
1016
1017 if (R->h->MEvent.button == AnyButton) {
1018 button_number = 3;
1019 } else {
1020 button_number = R->h->MEvent.button - Button1;
1021 /* add 0x3D for wheel events, like xterm does */
1022 if (button_number >= 3)
1023 button_number += (64 - 3);
1024 }
1025
1026 if (R->h->PrivateModes & PrivMode_MouseX10) {
1027 /*
1028 * do not report ButtonRelease
1029 * no state info allowed
1030 */
1031 key_state = 0;
1032 if (button_number == 3)
1033 return;
1034 } else {
1035 /* XTerm mouse reporting needs these values:
1036 * 4 = Shift
1037 * 8 = Meta
1038 * 16 = Control
1039 * plus will add in our own Double-Click reporting
1040 * 32 = Double Click
1041 */
1042 key_state = ((R->h->MEvent.state & ShiftMask) ? 4 : 0)
1043 + ((R->h->MEvent.state & R->h->ModMetaMask) ? 8 : 0)
1044 + ((R->h->MEvent.state & ControlMask) ? 16 : 0);
1045 #ifdef MOUSE_REPORT_DOUBLECLICK
1046 key_state += ((R->h->MEvent.clicks > 1) ? 32 : 0);
1047 #endif
1048 }
1049
1050 #ifdef DEBUG_MOUSEREPORT
1051 fprintf(stderr, "Mouse [");
1052 if (key_state & 16)
1053 fputc('C', stderr);
1054 if (key_state & 4)
1055 fputc('S', stderr);
1056 if (key_state & 8)
1057 fputc('A', stderr);
1058 if (key_state & 32)
1059 fputc('2', stderr);
1060 fprintf(stderr, "]: <%d>, %d/%d\n",
1061 button_number,
1062 x + 1,
1063 y + 1);
1064 #else
1065 rxvt_tt_printf(aR_ "\033[M%c%c%c",
1066 (32 + button_number + key_state),
1067 (32 + x + 1),
1068 (32 + y + 1));
1069 #endif
1070 }
1071
1072 #ifdef USING_W11LIB
1073 /* EXTPROTO */
1074 void
1075 rxvt_W11_process_x_event(XEvent *ev)
1076 {
1077 rxvt_t *r = rxvt_get_r();
1078
1079 rxvt_process_x_event(aR_ ev);
1080 }
1081 #endif
1082
1083 /*{{{ process an X event */
1084 /* INTPROTO */
1085 void
1086 rxvt_process_x_event(pR_ XEvent *ev)
1087 {
1088 int i, want_timeout;
1089 Window unused_root, unused_child;
1090 int unused_root_x, unused_root_y;
1091 unsigned int unused_mask;
1092 struct timeval tp;
1093 struct rxvt_hidden *h = R->h;
1094 #ifdef DEBUG_X
1095 const char *const eventnames[] =
1096 { /* mason - this matches my system */
1097 "",
1098 "",
1099 "KeyPress",
1100 "KeyRelease",
1101 "ButtonPress",
1102 "ButtonRelease",
1103 "MotionNotify",
1104 "EnterNotify",
1105 "LeaveNotify",
1106 "FocusIn",
1107 "FocusOut",
1108 "KeymapNotify",
1109 "Expose",
1110 "GraphicsExpose",
1111 "NoExpose",
1112 "VisibilityNotify",
1113 "CreateNotify",
1114 "DestroyNotify",
1115 "UnmapNotify",
1116 "MapNotify",
1117 "MapRequest",
1118 "ReparentNotify",
1119 "ConfigureNotify",
1120 "ConfigureRequest",
1121 "GravityNotify",
1122 "ResizeRequest",
1123 "CirculateNotify",
1124 "CirculateRequest",
1125 "PropertyNotify",
1126 "SelectionClear",
1127 "SelectionRequest",
1128 "SelectionNotify",
1129 "ColormapNotify",
1130 "ClientMessage",
1131 "MappingNotify"
1132 };
1133 struct tm *ltt;
1134 #endif
1135
1136 /*
1137 * check if we need to get the time for any timeouts
1138 */
1139
1140 for (i = NUM_TIMEOUTS; i--; )
1141 if (h->timeout[i].tv_sec) {
1142 want_timeout = 1;
1143 break;
1144 }
1145
1146 #ifndef DEBUG_X
1147 if (want_timeout)
1148 #endif
1149 (void)gettimeofday(&tp, NULL);
1150
1151 #ifdef DEBUG_X
1152 ltt = localtime(&(tp.tv_sec));
1153 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));
1154 #endif
1155
1156 /* X event timeouts */
1157 if (want_timeout)
1158 for (i = NUM_TIMEOUTS; i--; ) {
1159 if (h->timeout[i].tv_sec == 0)
1160 continue;
1161 if ((tp.tv_sec < h->timeout[i].tv_sec)
1162 || (tp.tv_sec == h->timeout[i].tv_sec
1163 && tp.tv_usec < h->timeout[i].tv_usec))
1164 continue;
1165 h->timeout[i].tv_sec = 0;
1166 switch(i) {
1167 case TIMEOUT_INCR:
1168 rxvt_print_error("data loss: timeout on INCR selection paste");
1169 h->selection_wait = Sel_none;
1170 break;
1171 default:
1172 break;
1173 }
1174 }
1175
1176 switch (ev->type) {
1177 case KeyPress:
1178 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1179 break;
1180
1181 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1182 case KeyRelease:
1183 {
1184 if (!(ev->xkey.state & ControlMask))
1185 h->mouse_slip_wheel_speed = 0;
1186 else {
1187 KeySym ks;
1188
1189 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1190 if (ks == XK_Control_L || ks == XK_Control_R)
1191 h->mouse_slip_wheel_speed = 0;
1192 }
1193 break;
1194 }
1195 #endif
1196
1197 case ButtonPress:
1198 rxvt_button_press(aR_ (XButtonEvent *)ev);
1199 break;
1200
1201 case ButtonRelease:
1202 rxvt_button_release(aR_ (XButtonEvent *)ev);
1203 break;
1204
1205 case ClientMessage:
1206 if (ev->xclient.format == 32
1207 && (Atom)ev->xclient.data.l[0] == h->xa[XA_WMDELETEWINDOW])
1208 exit(EXIT_SUCCESS);
1209 #ifdef OFFIX_DND
1210 /* OffiX Dnd (drag 'n' drop) protocol */
1211 if (ev->xclient.message_type == h->xa[XA_DNDPROTOCOL]
1212 && (ev->xclient.data.l[0] == DndFile
1213 || ev->xclient.data.l[0] == DndDir
1214 || ev->xclient.data.l[0] == DndLink)) {
1215 /* Get Dnd data */
1216 Atom ActualType;
1217 int ActualFormat;
1218 unsigned char *data;
1219 unsigned long Size, RemainingBytes;
1220
1221 XGetWindowProperty(R->Xdisplay, Xroot,
1222 R->h->xa[XA_DNDSELECTION],
1223 0L, 1000000L,
1224 False, AnyPropertyType,
1225 &ActualType, &ActualFormat,
1226 &Size, &RemainingBytes,
1227 &data);
1228 XChangeProperty(R->Xdisplay, Xroot,
1229 XA_CUT_BUFFER0, XA_STRING,
1230 8, PropModeReplace,
1231 data, STRLEN(data));
1232 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1233 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1234 }
1235 #endif /* OFFIX_DND */
1236 break;
1237
1238 case MappingNotify:
1239 XRefreshKeyboardMapping(&(ev->xmapping));
1240 break;
1241
1242 /*
1243 * XXX: this is not the _current_ arrangement
1244 * Here's my conclusion:
1245 * If the window is completely unobscured, use bitblt's
1246 * to scroll. Even then, they're only used when doing partial
1247 * screen scrolling. When partially obscured, we have to fill
1248 * in the GraphicsExpose parts, which means that after each refresh,
1249 * we need to wait for the graphics expose or Noexpose events,
1250 * which ought to make things real slow!
1251 */
1252 case VisibilityNotify:
1253 switch (ev->xvisibility.state) {
1254 case VisibilityUnobscured:
1255 h->refresh_type = FAST_REFRESH;
1256 break;
1257 case VisibilityPartiallyObscured:
1258 h->refresh_type = SLOW_REFRESH;
1259 break;
1260 default:
1261 h->refresh_type = NO_REFRESH;
1262 break;
1263 }
1264 break;
1265
1266 case FocusIn:
1267 if (!R->TermWin.focus) {
1268 R->TermWin.focus = 1;
1269 h->want_refresh = 1;
1270 #ifdef USE_XIM
1271 if (h->Input_Context != NULL)
1272 XSetICFocus(h->Input_Context);
1273 #endif
1274 }
1275 break;
1276
1277 case FocusOut:
1278 if (R->TermWin.focus) {
1279 R->TermWin.focus = 0;
1280 h->want_refresh = 1;
1281 #ifdef USE_XIM
1282 if (h->Input_Context != NULL)
1283 XUnsetICFocus(h->Input_Context);
1284 #endif
1285 }
1286 break;
1287
1288 case ConfigureNotify:
1289 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1290 int height, width;
1291
1292 do { /* Wrap lots of configures into one */
1293 width = ev->xconfigure.width;
1294 height = ev->xconfigure.height;
1295 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1296 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1297 ConfigureNotify, ev));
1298 if (R->szHint.width != width || R->szHint.height != height) {
1299 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1300 rxvt_resize_all_windows(aR_ (unsigned int)width,
1301 (unsigned int)height, 1);
1302 }
1303 #ifdef DEBUG_SIZE
1304 else {
1305 D_SIZE((stderr, "Size: Not resizing"));
1306 }
1307 #endif
1308 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1309 if (R->Options & Opt_transparent) {
1310 rxvt_check_our_parents(aR);
1311 if (h->am_transparent)
1312 h->want_full_refresh = 1;
1313 }
1314 #endif
1315 }
1316 break;
1317
1318 case SelectionClear:
1319 rxvt_selection_clear(aR);
1320 break;
1321
1322 case SelectionNotify:
1323 if (h->selection_wait == Sel_normal)
1324 rxvt_selection_paste(aR_ ev->xselection.requestor,
1325 ev->xselection.property, True);
1326 break;
1327
1328 case SelectionRequest:
1329 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1330 break;
1331
1332 case UnmapNotify:
1333 R->TermWin.mapped = 0;
1334 break;
1335
1336 case MapNotify:
1337 R->TermWin.mapped = 1;
1338 break;
1339
1340 case PropertyNotify:
1341 if (ev->xproperty.atom == h->xa[XA_VT_SELECTION]) {
1342 if (ev->xproperty.state == PropertyNewValue)
1343 rxvt_selection_property(aR_ ev->xproperty.window,
1344 ev->xproperty.atom);
1345 break;
1346 }
1347 #ifdef TRANSPARENT
1348 /*
1349 * if user used some Esetroot compatible prog to set the root bg,
1350 * use the property to determine the pixmap. We use it later on.
1351 */
1352 if (h->xa[XA_XROOTPMAPID] == 0)
1353 h->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1354 "_XROOTPMAP_ID", False);
1355 if (ev->xproperty.atom != h->xa[XA_XROOTPMAPID])
1356 break;
1357 /* FALLTHROUGH */
1358 case ReparentNotify:
1359 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1360 if (h->am_transparent)
1361 h->want_full_refresh = 1;
1362 }
1363 #endif /* TRANSPARENT */
1364 break;
1365
1366 case GraphicsExpose:
1367 case Expose:
1368 if (ev->xany.window == R->TermWin.vt) {
1369 #ifdef NO_SLOW_LINK_SUPPORT
1370 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1371 ev->xexpose.width, ev->xexpose.height, False);
1372 #else
1373 // don't understand this, so commented it out
1374 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1375 ev->xexpose.width, ev->xexpose.height, False);
1376 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1377 // ev->xexpose.width, R->TermWin.height, False);
1378 #endif
1379 h->want_refresh = 1;
1380 } else {
1381 XEvent unused_xevent;
1382
1383 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1384 Expose,
1385 &unused_xevent)) ;
1386 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1387 GraphicsExpose,
1388 &unused_xevent)) ;
1389 if (isScrollbarWindow(ev->xany.window)) {
1390 scrollbar_setIdle();
1391 rxvt_scrollbar_show(aR_ 0);
1392 }
1393 #ifdef MENUBAR
1394 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1395 rxvt_menubar_expose(aR);
1396 #endif
1397 #ifdef RXVT_GRAPHICS
1398 rxvt_Gr_expose(aR_ ev->xany.window);
1399 #endif
1400 }
1401 break;
1402
1403 case MotionNotify:
1404 #ifdef POINTER_BLANK
1405 if (R->h->hidden_pointer)
1406 rxvt_pointer_unblank(aR);
1407 #endif
1408 #if MENUBAR
1409 if (isMenuBarWindow(ev->xany.window)) {
1410 rxvt_menubar_control(aR_ &(ev->xbutton));
1411 break;
1412 }
1413 #endif
1414 if ((h->PrivateModes & PrivMode_mouse_report) && !(h->bypass_keystate))
1415 break;
1416
1417 if (ev->xany.window == R->TermWin.vt) {
1418 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1419 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1420 MotionNotify, ev)) ;
1421 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1422 &unused_root, &unused_child,
1423 &unused_root_x, &unused_root_y,
1424 &(ev->xbutton.x), &(ev->xbutton.y),
1425 &unused_mask);
1426 #ifdef MOUSE_THRESHOLD
1427 /* deal with a `jumpy' mouse */
1428 if ((ev->xmotion.time - h->MEvent.time) > MOUSE_THRESHOLD) {
1429 #endif
1430 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1431 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1432 #ifdef SELECTION_SCROLLING
1433 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1434 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1435 int dist;
1436
1437 h->pending_scroll_selection=1;
1438
1439 /* don't clobber the current delay if we are
1440 * already in the middle of scrolling.
1441 */
1442 if (h->scroll_selection_delay<=0)
1443 h->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1444
1445 /* save the event params so we can highlight
1446 * the selection in the pending-scroll loop
1447 */
1448 h->selection_save_x=ev->xbutton.x;
1449 h->selection_save_y=ev->xbutton.y;
1450 h->selection_save_state=
1451 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1452
1453 /* calc number of lines to scroll */
1454 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1455 h->scroll_selection_dir = UP;
1456 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1457 }
1458 else {
1459 h->scroll_selection_dir = DN;
1460 dist = ev->xbutton.y -
1461 (R->TermWin.int_bwidth + R->TermWin.height);
1462 }
1463 h->scroll_selection_lines=(Pixel2Height(dist)/
1464 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1465 MIN_IT(h->scroll_selection_lines,
1466 SELECTION_SCROLL_MAX_LINES);
1467 }
1468 else {
1469 /* we are within the text window, so we
1470 * shouldn't be scrolling
1471 */
1472 h->pending_scroll_selection = 0;
1473 }
1474 #endif
1475 #ifdef MOUSE_THRESHOLD
1476 }
1477 #endif
1478 }
1479 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1480 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1481 MotionNotify, ev)) ;
1482 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1483 &unused_root, &unused_child,
1484 &unused_root_x, &unused_root_y,
1485 &(ev->xbutton.x), &(ev->xbutton.y),
1486 &unused_mask);
1487 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - h->csrO,
1488 scrollbar_size());
1489 rxvt_scr_refresh(aR_ h->refresh_type);
1490 h->refresh_limit = 0;
1491 rxvt_scrollbar_show(aR_ 1);
1492 }
1493 break;
1494 }
1495 }
1496
1497 /* INTPROTO */
1498 void
1499 rxvt_button_press(pR_ XButtonEvent *ev)
1500 {
1501 int reportmode = 0, clickintime;
1502 struct rxvt_hidden *h = R->h;
1503
1504 h->bypass_keystate = ev->state & (h->ModMetaMask | ShiftMask);
1505 if (!h->bypass_keystate)
1506 reportmode = !!(h->PrivateModes & PrivMode_mouse_report);
1507 /*
1508 * VT window processing of button press
1509 */
1510 if (ev->window == R->TermWin.vt)
1511 {
1512 #if RXVT_GRAPHICS
1513 if (ev->subwindow != None)
1514 rxvt_Gr_ButtonPress(ev->x, ev->y);
1515 else
1516 #endif
1517 {
1518 clickintime = ev->time - h->MEvent.time < MULTICLICK_TIME;
1519 if (reportmode)
1520 {
1521 /* mouse report from vt window */
1522 /* save the xbutton state (for ButtonRelease) */
1523 h->MEvent.state = ev->state;
1524 #ifdef MOUSE_REPORT_DOUBLECLICK
1525 if (ev->button == h->MEvent.button && clickintime)
1526 {
1527 /* same button, within alloted time */
1528 h->MEvent.clicks++;
1529 if (h->MEvent.clicks > 1)
1530 {
1531 /* only report double clicks */
1532 h->MEvent.clicks = 2;
1533 rxvt_mouse_report(aR_ ev);
1534
1535 /* don't report the release */
1536 h->MEvent.clicks = 0;
1537 h->MEvent.button = AnyButton;
1538 }
1539 }
1540 else
1541 {
1542 /* different button, or time expired */
1543 h->MEvent.clicks = 1;
1544 h->MEvent.button = ev->button;
1545 rxvt_mouse_report(aR_ ev);
1546 }
1547 #else
1548 h->MEvent.button = ev->button;
1549 rxvt_mouse_report(aR_ ev);
1550 #endif /* MOUSE_REPORT_DOUBLECLICK */
1551 }
1552 else
1553 {
1554 if (ev->button != h->MEvent.button)
1555 h->MEvent.clicks = 0;
1556 switch (ev->button)
1557 {
1558 case Button1:
1559 if (h->MEvent.button == Button1 && clickintime)
1560 h->MEvent.clicks++;
1561 else
1562 h->MEvent.clicks = 1;
1563 rxvt_selection_click(aR_ h->MEvent.clicks, ev->x, ev->y);
1564 h->MEvent.button = Button1;
1565 break;
1566
1567 case Button3:
1568 if (h->MEvent.button == Button3 && clickintime)
1569 rxvt_selection_rotate(aR_ ev->x, ev->y);
1570 else
1571 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1572 h->MEvent.button = Button3;
1573 break;
1574 }
1575 }
1576 h->MEvent.time = ev->time;
1577 return;
1578 }
1579 }
1580
1581 /*
1582 * Scrollbar window processing of button press
1583 */
1584 if (isScrollbarWindow(ev->window))
1585 {
1586 scrollbar_setIdle();
1587 /*
1588 * Rxvt-style scrollbar:
1589 * move up if mouse is above slider
1590 * move dn if mouse is below slider
1591 *
1592 * XTerm-style scrollbar:
1593 * Move display proportional to pointer location
1594 * pointer near top -> scroll one line
1595 * pointer near bot -> scroll full page
1596 */
1597 #ifndef NO_SCROLLBAR_REPORT
1598 if (reportmode) {
1599 /*
1600 * Mouse report disabled scrollbar:
1601 * arrow buttons - send up/down
1602 * click on scrollbar - send pageup/down
1603 */
1604 if ((R->scrollBar.style == R_SB_NEXT
1605 && scrollbarnext_upButton(ev->y))
1606 || (R->scrollBar.style == R_SB_RXVT
1607 && scrollbarrxvt_upButton(ev->y)))
1608 rxvt_tt_printf(aR_ "\033[A");
1609 else if ((R->scrollBar.style == R_SB_NEXT
1610 && scrollbarnext_dnButton(ev->y))
1611 || (R->scrollBar.style == R_SB_RXVT
1612 && scrollbarrxvt_dnButton(ev->y)))
1613 rxvt_tt_printf(aR_ "\033[B");
1614 else
1615 switch (ev->button) {
1616 case Button2:
1617 rxvt_tt_printf(aR_ "\014");
1618 break;
1619 case Button1:
1620 rxvt_tt_printf(aR_ "\033[6~");
1621 break;
1622 case Button3:
1623 rxvt_tt_printf(aR_ "\033[5~");
1624 break;
1625 }
1626 }
1627 else
1628 #endif /* NO_SCROLLBAR_REPORT */
1629 {
1630 char upordown = 0;
1631
1632 if (R->scrollBar.style == R_SB_NEXT) {
1633 if (scrollbarnext_upButton(ev->y))
1634 upordown = -1; /* up */
1635 else if (scrollbarnext_dnButton(ev->y))
1636 upordown = 1; /* down */
1637 } else if (R->scrollBar.style == R_SB_RXVT) {
1638 if (scrollbarrxvt_upButton(ev->y))
1639 upordown = -1; /* up */
1640 else if (scrollbarrxvt_dnButton(ev->y))
1641 upordown = 1; /* down */
1642 }
1643 if (upordown) {
1644 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1645 h->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1646 #endif
1647 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1648 if (upordown < 0)
1649 scrollbar_setUp();
1650 else
1651 scrollbar_setDn();
1652 }
1653 } else
1654 switch (ev->button) {
1655 case Button2:
1656 switch (h->scrollbar_align) {
1657 case R_SB_ALIGN_TOP:
1658 h->csrO = 0;
1659 break;
1660 case R_SB_ALIGN_CENTRE:
1661 h->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1662 break;
1663 case R_SB_ALIGN_BOTTOM:
1664 h->csrO = R->scrollBar.bot - R->scrollBar.top;
1665 break;
1666 }
1667 if (R->scrollBar.style == R_SB_XTERM
1668 || scrollbar_above_slider(ev->y)
1669 || scrollbar_below_slider(ev->y))
1670 rxvt_scr_move_to(aR_
1671 scrollbar_position(ev->y) - h->csrO,
1672 scrollbar_size());
1673 scrollbar_setMotion();
1674 break;
1675
1676 case Button1:
1677 if (h->scrollbar_align == R_SB_ALIGN_CENTRE)
1678 h->csrO = ev->y - R->scrollBar.top;
1679 /* FALLTHROUGH */
1680
1681 case Button3:
1682 if (R->scrollBar.style != R_SB_XTERM) {
1683 if (scrollbar_above_slider(ev->y))
1684 # ifdef RXVT_SCROLL_FULL
1685 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1686 # else
1687 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1688 # endif
1689 else if (scrollbar_below_slider(ev->y))
1690 # ifdef RXVT_SCROLL_FULL
1691 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1692 # else
1693 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1694 # endif
1695 else
1696 scrollbar_setMotion();
1697 } else {
1698 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1699 (R->TermWin.nrow
1700 * scrollbar_position(ev->y)
1701 / scrollbar_size()));
1702 }
1703 break;
1704 }
1705 }
1706 return;
1707 }
1708 #if MENUBAR
1709 /*
1710 * Menubar window processing of button press
1711 */
1712 if (isMenuBarWindow(ev->window))
1713 rxvt_menubar_control(aR_ ev);
1714 #endif
1715 }
1716
1717 /* INTPROTO */
1718 void
1719 rxvt_button_release(pR_ XButtonEvent *ev)
1720 {
1721 int reportmode = 0;
1722
1723 R->h->csrO = 0; /* reset csr Offset */
1724 if (!R->h->bypass_keystate)
1725 reportmode = !!(R->h->PrivateModes & PrivMode_mouse_report);
1726
1727 if (scrollbar_isUpDn()) {
1728 scrollbar_setIdle();
1729 rxvt_scrollbar_show(aR_ 0);
1730 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1731 R->h->refresh_type &= ~SMOOTH_REFRESH;
1732 #endif
1733 }
1734 #ifdef SELECTION_SCROLLING
1735 R->h->pending_scroll_selection=0;
1736 #endif
1737 if (ev->window == R->TermWin.vt)
1738 {
1739 #ifdef RXVT_GRAPHICS
1740 if (ev->subwindow != None)
1741 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1742 else
1743 #endif
1744 {
1745 if (reportmode)
1746 {
1747 /* mouse report from vt window */
1748 /* don't report release of wheel "buttons" */
1749 if (ev->button >= 4)
1750 return;
1751 #ifdef MOUSE_REPORT_DOUBLECLICK
1752 /* only report the release of 'slow' single clicks */
1753 if (R->h->MEvent.button != AnyButton
1754 && (ev->button != R->h->MEvent.button
1755 || (ev->time - R->h->MEvent.time
1756 > MULTICLICK_TIME / 2)))
1757 {
1758 R->h->MEvent.clicks = 0;
1759 R->h->MEvent.button = AnyButton;
1760 rxvt_mouse_report(aR_ ev);
1761 }
1762 #else /* MOUSE_REPORT_DOUBLECLICK */
1763 R->h->MEvent.button = AnyButton;
1764 rxvt_mouse_report(aR_ ev);
1765 #endif /* MOUSE_REPORT_DOUBLECLICK */
1766 return;
1767 }
1768 /*
1769 * dumb hack to compensate for the failure of click-and-drag
1770 * when overriding mouse reporting
1771 */
1772 if (R->h->PrivateModes & PrivMode_mouse_report
1773 && R->h->bypass_keystate
1774 && ev->button == Button1 && R->h->MEvent.clicks <= 1)
1775 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1776
1777 switch (ev->button) {
1778 case Button1:
1779 case Button3:
1780 rxvt_selection_make(aR_ ev->time);
1781 break;
1782 case Button2:
1783 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1784 break;
1785 #ifdef MOUSE_WHEEL
1786 case Button4:
1787 case Button5:
1788 {
1789 int i, v;
1790
1791 v = (ev->button == Button4) ? UP : DN;
1792 if (ev->state & ShiftMask)
1793 i = 1;
1794 else if ((R->Options & Opt_mouseWheelScrollPage))
1795 i = R->TermWin.nrow - 1;
1796 else
1797 i = 5;
1798 # ifdef MOUSE_SLIP_WHEELING
1799 if (ev->state & ControlMask)
1800 {
1801 R->h->mouse_slip_wheel_speed += (v ? -1 : 1);
1802 R->h->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1803 }
1804 # endif
1805 # ifdef JUMP_MOUSE_WHEEL
1806 rxvt_scr_page(aR_ v, i);
1807 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1808 rxvt_scrollbar_show(aR_ 1);
1809 # else
1810 for (; i--;)
1811 {
1812 rxvt_scr_page(aR_ v, 1);
1813 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1814 rxvt_scrollbar_show(aR_ 1);
1815 }
1816 # endif
1817 }
1818 break;
1819 #endif
1820 }
1821 }
1822 }
1823 #ifdef MENUBAR
1824 else if (isMenuBarWindow(ev->window))
1825 rxvt_menubar_control(aR_ ev);
1826 #endif
1827 }
1828
1829
1830 #ifdef TRANSPARENT
1831 /*
1832 * Check our parents are still who we think they are.
1833 * Do transparency updates if required
1834 */
1835 /* EXTPROTO */
1836 int
1837 rxvt_check_our_parents(pR)
1838 {
1839 int i, pchanged, aformat, have_pixmap, rootdepth;
1840 unsigned long nitems, bytes_after;
1841 Atom atype;
1842 unsigned char *prop = NULL;
1843 Window root, oldp, *list;
1844 Pixmap rootpixmap = None;
1845 XWindowAttributes wattr, wrootattr;
1846
1847 pchanged = 0;
1848
1849 if (!(R->Options & Opt_transparent))
1850 return pchanged; /* Don't try any more */
1851
1852 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1853 rootdepth = wrootattr.depth;
1854
1855 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1856 if (rootdepth != wattr.depth) {
1857 if (R->h->am_transparent) {
1858 pchanged = 1;
1859 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1860 R->PixColors[Color_bg]);
1861 R->h->am_transparent = R->h->am_pixmap_trans = 0;
1862 }
1863 return pchanged; /* Don't try any more */
1864 }
1865
1866 /* Get all X ops out of the queue so that our information is up-to-date. */
1867 XSync(R->Xdisplay, False);
1868
1869 /*
1870 * Make the frame window set by the window manager have
1871 * the root background. Some window managers put multiple nested frame
1872 * windows for each client, so we have to take care about that.
1873 */
1874 i = (R->h->xa[XA_XROOTPMAPID] != 0
1875 && (XGetWindowProperty(R->Xdisplay, Xroot, R->h->xa[XA_XROOTPMAPID],
1876 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1877 &nitems, &bytes_after, &prop) == Success));
1878 if (!i || prop == NULL)
1879 have_pixmap = 0;
1880 else {
1881 have_pixmap = 1;
1882 rootpixmap = *((Pixmap *)prop);
1883 XFree(prop);
1884 }
1885 if (have_pixmap) {
1886 /*
1887 * Copy Xroot pixmap transparency
1888 */
1889 int sx, sy, nx, ny;
1890 unsigned int nw, nh;
1891 Window cr;
1892 XImage *image;
1893 GC gc;
1894 XGCValues gcvalue;
1895
1896 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1897 0, 0, &sx, &sy, &cr);
1898 nw = (unsigned int)R->szHint.width;
1899 nh = (unsigned int)R->szHint.height;
1900 nx = ny = 0;
1901 if (sx < 0) {
1902 nw += sx;
1903 nx = -sx;
1904 sx = 0;
1905 }
1906 if (sy < 0) {
1907 nh += sy;
1908 ny = -sy;
1909 sy = 0;
1910 }
1911 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1912 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1913 R->h->allowedxerror = -1;
1914 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1915 ZPixmap);
1916 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1917 /* XXX: may need a delay here? */
1918 R->h->allowedxerror = 0;
1919 if (image == NULL) {
1920 if (R->h->am_transparent && R->h->am_pixmap_trans) {
1921 pchanged = 1;
1922 if (R->TermWin.pixmap != None) {
1923 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1924 R->TermWin.pixmap = None;
1925 }
1926 }
1927 R->h->am_pixmap_trans = 0;
1928 } else {
1929 if (R->TermWin.pixmap != None)
1930 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1931 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1932 (unsigned int)R->szHint.width,
1933 (unsigned int)R->szHint.height,
1934 (unsigned int)image->depth);
1935 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1936 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1937 nx, ny, (unsigned int)image->width,
1938 (unsigned int)image->height);
1939 XFreeGC(R->Xdisplay, gc);
1940 XDestroyImage(image);
1941 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
1942 R->TermWin.pixmap);
1943 if (!R->h->am_transparent || !R->h->am_pixmap_trans)
1944 pchanged = 1;
1945 R->h->am_transparent = R->h->am_pixmap_trans = 1;
1946 }
1947 }
1948 if (!R->h->am_pixmap_trans) {
1949 unsigned int n;
1950 /*
1951 * InheritPixmap transparency
1952 */
1953 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
1954 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
1955 i++) {
1956 oldp = R->TermWin.parent[i];
1957 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
1958 &R->TermWin.parent[i], &list, &n);
1959 XFree(list);
1960 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
1961 if (R->TermWin.parent[i] == Xroot) {
1962 if (oldp != None)
1963 pchanged = 1;
1964 break;
1965 }
1966 if (oldp != R->TermWin.parent[i])
1967 pchanged = 1;
1968 }
1969 n = 0;
1970 if (pchanged) {
1971 for (; n < (unsigned int)i; n++) {
1972 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
1973 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
1974 if (wattr.depth != rootdepth || wattr.class == InputOnly) {
1975 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
1976 break;
1977 }
1978 }
1979 }
1980 if (n > (int)(sizeof(R->TermWin.parent)
1981 / sizeof(R->TermWin.parent[0]))) {
1982 D_X((stderr, "InheritPixmap Turning off"));
1983 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
1984 R->PixColors[Color_fg]);
1985 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1986 R->PixColors[Color_bg]);
1987 R->h->am_transparent = 0;
1988 /* XXX: also turn off Opt_transparent? */
1989 } else {
1990 /* wait (an arbitrary period) for the WM to do its thing
1991 * needed for fvwm2.2.2 (and before?) */
1992 # ifdef HAVE_NANOSLEEP
1993 struct timespec rqt;
1994
1995 rqt.tv_sec = 1;
1996 rqt.tv_nsec = 0;
1997 nanosleep(&rqt, NULL);
1998 # else
1999 sleep(1);
2000 # endif
2001 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2002 for (n = 0; n < (unsigned int)i; n++)
2003 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2004 ParentRelative);
2005 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2006 ParentRelative);
2007 R->h->am_transparent = 1;
2008 }
2009 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2010 R->TermWin.parent[i] = None;
2011 }
2012 return pchanged;
2013 }
2014 #endif
2015
2016 /*}}} */
2017
2018 /*{{{ print pipe */
2019 /*----------------------------------------------------------------------*/
2020 #ifdef PRINTPIPE
2021 /* EXTPROTO */
2022 FILE *
2023 rxvt_popen_printer(pR)
2024 {
2025 FILE *stream = popen(R->h->rs[Rs_print_pipe], "w");
2026
2027 if (stream == NULL)
2028 rxvt_print_error("can't open printer pipe");
2029 return stream;
2030 }
2031
2032 /* EXTPROTO */
2033 int
2034 rxvt_pclose_printer(FILE *stream)
2035 {
2036 fflush(stream);
2037 /* pclose() reported not to work on SunOS 4.1.3 */
2038 # if defined (__sun__) /* TODO: RESOLVE THIS */
2039 /* pclose works provided SIGCHLD handler uses waitpid */
2040 return pclose(stream); /* return fclose (stream); */
2041 # else
2042 return pclose(stream);
2043 # endif
2044 }
2045
2046 /*
2047 * simulate attached vt100 printer
2048 */
2049 /* INTPROTO */
2050 void
2051 rxvt_process_print_pipe(pR)
2052 {
2053 int done;
2054 FILE *fd;
2055
2056 if ((fd = rxvt_popen_printer(aR)) == NULL)
2057 return;
2058
2059 /*
2060 * Send all input to the printer until either ESC[4i or ESC[?4i
2061 * is received.
2062 */
2063 for (done = 0; !done;) {
2064 unsigned char buf[8];
2065 unsigned char ch;
2066 unsigned int i, len;
2067
2068 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2069 if (putc(ch, fd) == EOF)
2070 break; /* done = 1 */
2071 } else {
2072 len = 0;
2073 buf[len++] = ch;
2074
2075 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2076 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2077 buf[len++] = '?';
2078 ch = rxvt_cmd_getc(aR);
2079 }
2080 if ((buf[len++] = ch) == '4') {
2081 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2082 break; /* done = 1 */
2083 }
2084 }
2085 for (i = 0; i < len; i++)
2086 if (putc(buf[i], fd) == EOF) {
2087 done = 1;
2088 break;
2089 }
2090 }
2091 }
2092 rxvt_pclose_printer(fd);
2093 }
2094 #endif /* PRINTPIPE */
2095 /*}}} */
2096
2097 /* *INDENT-OFF* */
2098 enum {
2099 C1_40 = 0x40,
2100 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2101 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2102 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2103 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2104 };
2105 /* *INDENT-ON* */
2106
2107 /*{{{ process non-printing single characters */
2108 /* INTPROTO */
2109 void
2110 rxvt_process_nonprinting(pR_ unsigned char ch)
2111 {
2112 switch (ch) {
2113 case C0_ENQ: /* terminal Status */
2114 if (R->h->rs[Rs_answerbackstring])
2115 rxvt_tt_write(aR_
2116 (const unsigned char *)R->h->rs[Rs_answerbackstring],
2117 (unsigned int)STRLEN(R->h->rs[Rs_answerbackstring]));
2118 else
2119 rxvt_tt_write(aR_ (unsigned char *)VT100_ANS,
2120 (unsigned int)STRLEN(VT100_ANS));
2121 break;
2122 case C0_BEL: /* bell */
2123 rxvt_scr_bell(aR);
2124 break;
2125 case C0_BS: /* backspace */
2126 rxvt_scr_backspace(aR);
2127 break;
2128 case C0_HT: /* tab */
2129 rxvt_scr_tab(aR_ 1);
2130 break;
2131 case C0_CR: /* carriage return */
2132 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2133 break;
2134 case C0_VT: /* vertical tab, form feed */
2135 case C0_FF:
2136 case C0_LF: /* line feed */
2137 rxvt_scr_index(aR_ UP);
2138 break;
2139 case C0_SO: /* shift out - acs */
2140 rxvt_scr_charset_choose(aR_ 1);
2141 break;
2142 case C0_SI: /* shift in - acs */
2143 rxvt_scr_charset_choose(aR_ 0);
2144 break;
2145 }
2146 }
2147 /*}}} */
2148
2149
2150 /*{{{ process VT52 escape sequences */
2151 /* INTPROTO */
2152 void
2153 rxvt_process_escape_vt52(pR_ unsigned char ch)
2154 {
2155 int row, col;
2156
2157 switch (ch) {
2158 case 'A': /* cursor up */
2159 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2160 break;
2161 case 'B': /* cursor down */
2162 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2163 break;
2164 case 'C': /* cursor right */
2165 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2166 break;
2167 case 'D': /* cursor left */
2168 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2169 break;
2170 case 'H': /* cursor home */
2171 rxvt_scr_gotorc(aR_ 0, 0, 0);
2172 break;
2173 case 'I': /* cursor up and scroll down if needed */
2174 rxvt_scr_index(aR_ DN);
2175 break;
2176 case 'J': /* erase to end of screen */
2177 rxvt_scr_erase_screen(aR_ 0);
2178 break;
2179 case 'K': /* erase to end of line */
2180 rxvt_scr_erase_line(aR_ 0);
2181 break;
2182 case 'Y': /* move to specified row and col */
2183 /* full command is 'ESC Y row col' where row and col
2184 * are encoded by adding 32 and sending the ascii
2185 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2186 * etc. */
2187 row = rxvt_cmd_getc(aR) - ' ';
2188 col = rxvt_cmd_getc(aR) - ' ';
2189 rxvt_scr_gotorc(aR_ row, col, 0);
2190 break;
2191 case 'Z': /* identify the terminal type */
2192 rxvt_tt_printf(aR_ "\033/Z"); /* I am a VT100 emulating a VT52 */
2193 break;
2194 case '<': /* turn off VT52 mode */
2195 PrivMode(0, PrivMode_vt52);
2196 break;
2197 case 'F': /* use special graphics character set */
2198 case 'G': /* use regular character set */
2199 /* unimplemented */
2200 break;
2201 case '=': /* use alternate keypad mode */
2202 case '>': /* use regular keypad mode */
2203 /* unimplemented */
2204 break;
2205 }
2206 }
2207 /*}}} */
2208
2209
2210 /*{{{ process escape sequences */
2211 /* INTPROTO */
2212 void
2213 rxvt_process_escape_seq(pR)
2214 {
2215 unsigned char ch = rxvt_cmd_getc(aR);
2216
2217 if (R->h->PrivateModes & PrivMode_vt52) {
2218 rxvt_process_escape_vt52(aR_ ch);
2219 return;
2220 }
2221
2222 switch (ch) {
2223 /* case 1: do_tek_mode (); break; */
2224 case '#':
2225 if (rxvt_cmd_getc(aR) == '8')
2226 rxvt_scr_E(aR);
2227 break;
2228 case '(':
2229 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2230 break;
2231 case ')':
2232 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2233 break;
2234 case '*':
2235 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2236 break;
2237 case '+':
2238 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2239 break;
2240 #ifdef MULTICHAR_SET
2241 case '$':
2242 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2243 break;
2244 #endif
2245 #ifndef NO_FRILLS
2246 case '6':
2247 rxvt_scr_backindex(aR);
2248 break;
2249 #endif
2250 case '7':
2251 rxvt_scr_cursor(aR_ SAVE);
2252 break;
2253 case '8':
2254 rxvt_scr_cursor(aR_ RESTORE);
2255 break;
2256 #ifndef NO_FRILLS
2257 case '9':
2258 rxvt_scr_forwardindex(aR);
2259 break;
2260 #endif
2261 case '=':
2262 case '>':
2263 PrivMode((ch == '='), PrivMode_aplKP);
2264 break;
2265
2266 case C1_40:
2267 rxvt_cmd_getc(aR);
2268 break;
2269 case C1_44:
2270 rxvt_scr_index(aR_ UP);
2271 break;
2272
2273 /* 8.3.87: NEXT LINE */
2274 case C1_NEL: /* ESC E */
2275 {
2276 uint32_t nlcr[] = { '\n', '\r' };
2277 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2278 }
2279 break;
2280
2281 /* kidnapped escape sequence: Should be 8.3.48 */
2282 case C1_ESA: /* ESC G */
2283 rxvt_process_graphics(aR);
2284 break;
2285
2286 /* 8.3.63: CHARACTER TABULATION SET */
2287 case C1_HTS: /* ESC H */
2288 rxvt_scr_set_tab(aR_ 1);
2289 break;
2290
2291 /* 8.3.105: REVERSE LINE FEED */
2292 case C1_RI: /* ESC M */
2293 rxvt_scr_index(aR_ DN);
2294 break;
2295
2296 /* 8.3.142: SINGLE-SHIFT TWO */
2297 /*case C1_SS2: scr_single_shift (2); break; */
2298
2299 /* 8.3.143: SINGLE-SHIFT THREE */
2300 /*case C1_SS3: scr_single_shift (3); break; */
2301
2302 /* 8.3.27: DEVICE CONTROL STRING */
2303 case C1_DCS: /* ESC P */
2304 rxvt_process_dcs_seq(aR);
2305 break;
2306
2307 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2308 case C1_SCI: /* ESC Z */
2309 rxvt_tt_write(aR_ (const unsigned char *)ESCZ_ANSWER,
2310 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2311 break; /* steal obsolete ESC [ c */
2312
2313 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2314 case C1_CSI: /* ESC [ */
2315 rxvt_process_csi_seq(aR);
2316 break;
2317
2318 /* 8.3.90: OPERATING SYSTEM COMMAND */
2319 case C1_OSC: /* ESC ] */
2320 rxvt_process_osc_seq(aR);
2321 break;
2322
2323 /* 8.3.106: RESET TO INITIAL STATE */
2324 case 'c':
2325 rxvt_scr_poweron(aR);
2326 rxvt_scrollbar_show(aR_ 1);
2327 break;
2328
2329 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2330 case 'n':
2331 rxvt_scr_charset_choose(aR_ 2);
2332 break;
2333
2334 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2335 case 'o':
2336 rxvt_scr_charset_choose(aR_ 3);
2337 break;
2338 }
2339 }
2340 /*}}} */
2341
2342 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2343 /* *INDENT-OFF* */
2344 enum {
2345 CSI_ICH = 0x40,
2346 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2347 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2348 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2349 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2350 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2351 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2352 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2353 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2354 };
2355
2356 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2357 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2358 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2359 #define get_byte_array_bit(array, bit) \
2360 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2361
2362 const unsigned char csi_defaults[] = {
2363 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2364 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2365 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2366 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2367 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2368 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2369 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2370 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2371 };
2372 /* *INDENT-ON* */
2373
2374 /* INTPROTO */
2375 void
2376 rxvt_process_csi_seq(pR)
2377 {
2378 unsigned char ch, priv, i;
2379 unsigned int nargs, p;
2380 int n, ndef;
2381 int arg[ESC_ARGS];
2382
2383 for (nargs = ESC_ARGS; nargs > 0;)
2384 arg[--nargs] = 0;
2385
2386 priv = 0;
2387 ch = rxvt_cmd_getc(aR);
2388 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2389 priv = ch;
2390 ch = rxvt_cmd_getc(aR);
2391 }
2392 /* read any numerical arguments */
2393 for (n = -1; ch < CSI_ICH; ) {
2394 if (isdigit(ch)) {
2395 if (n < 0)
2396 n = ch - '0';
2397 else
2398 n = n * 10 + ch - '0';
2399 } else if (ch == ';') {
2400 if (nargs < ESC_ARGS)
2401 arg[nargs++] = n;
2402 n = -1;
2403 } else if (ch == '\b') {
2404 rxvt_scr_backspace(aR);
2405 } else if (ch == C0_ESC) {
2406 rxvt_process_escape_seq(aR);
2407 return;
2408 } else if (ch < ' ') {
2409 rxvt_process_nonprinting(aR_ ch);
2410 }
2411 ch = rxvt_cmd_getc(aR);
2412 }
2413
2414 if (ch > CSI_7F)
2415 return;
2416
2417 if (nargs < ESC_ARGS)
2418 arg[nargs++] = n;
2419
2420 i = ch - CSI_ICH;
2421 ndef = get_byte_array_bit(csi_defaults, i);
2422 for (p = 0; p < nargs; p++)
2423 if (arg[p] == -1)
2424 arg[p] = ndef;
2425
2426 #ifdef DEBUG_CMD
2427 fprintf(stderr, "CSI ");
2428 for (p = 0; p < nargs; p++)
2429 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2430 fprintf(stderr, "%c\n", ch);
2431 #endif
2432
2433 /*
2434 * private mode handling
2435 */
2436 if (priv) {
2437 switch (priv) {
2438 case '>':
2439 if (ch == CSI_DA) /* secondary device attributes */
2440 rxvt_tt_printf(aR_ "\033[>%d;%-.8s;0c", 'R', VSTRING);
2441 break;
2442 case '?':
2443 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2444 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2445 break;
2446 }
2447 return;
2448 }
2449
2450 switch (ch) {
2451 /*
2452 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2453 */
2454 #ifdef PRINTPIPE
2455 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2456 switch (arg[0]) {
2457 case 0: /* initiate transfer to primary aux device */
2458 rxvt_scr_printscreen(aR_ 0);
2459 break;
2460 case 5: /* start relay to primary aux device */
2461 rxvt_process_print_pipe(aR);
2462 break;
2463 }
2464 break;
2465 #endif
2466
2467 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2468 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2469 arg[0] = -arg[0];
2470 /* FALLTHROUGH */
2471 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2472 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2473 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2474 break;
2475
2476 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2477 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2478 #ifdef ISO6429
2479 arg[0] = -arg[0];
2480 #else /* emulate common DEC VTs */
2481 arg[0] = arg[0] ? -arg[0] : -1;
2482 #endif
2483 /* FALLTHROUGH */
2484 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2485 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2486 #ifdef ISO6429
2487 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2488 #else /* emulate common DEC VTs */
2489 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2490 #endif
2491 break;
2492
2493 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2494 arg[0] = -arg[0];
2495 /* FALLTHROUGH */
2496 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2497 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2498 break;
2499
2500 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2501 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2502 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2503 break;
2504
2505 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2506 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2507 break;
2508
2509 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2510 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2511 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2512 break;
2513
2514 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2515 arg[0] = -arg[0];
2516 /* FALLTHROUGH */
2517 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2518 rxvt_scr_tab(aR_ arg[0]);
2519 break;
2520
2521 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2522 rxvt_scr_erase_screen(aR_ arg[0]);
2523 break;
2524
2525 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2526 rxvt_scr_erase_line(aR_ arg[0]);
2527 break;
2528
2529 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2530 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2531 break;
2532
2533 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2534 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2535 break;
2536
2537 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2538 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2539 break;
2540
2541 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2542 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2543 break;
2544
2545 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2546 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2547 break;
2548
2549 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2550 arg[0] = -arg[0];
2551 /* FALLTHROUGH */
2552 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2553 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2554 break;
2555
2556 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2557 rxvt_tt_write(aR_ (const unsigned char *)VT100_ANS,
2558 (unsigned int)(sizeof(VT100_ANS) - 1));
2559 break;
2560
2561 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2562 rxvt_process_sgr_mode(aR_ nargs, arg);
2563 break;
2564
2565 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2566 switch (arg[0]) {
2567 case 5: /* DSR requested */
2568 rxvt_tt_printf(aR_ "\033[0n");
2569 break;
2570 case 6: /* CPR requested */
2571 rxvt_scr_report_position(aR);
2572 break;
2573 #if defined (ENABLE_DISPLAY_ANSWER)
2574 case 7: /* unofficial extension */
2575 rxvt_tt_printf(aR_ "%-.250s\n", R->h->rs[Rs_display_name]);
2576 break;
2577 #endif
2578 case 8: /* unofficial extension */
2579 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2580 break;
2581 }
2582 break;
2583
2584 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2585 switch (arg[0]) {
2586 case 0: /* char tab stop cleared at active position */
2587 rxvt_scr_set_tab(aR_ 0);
2588 break;
2589 /* case 1: */ /* line tab stop cleared in active line */
2590 /* case 2: */ /* char tab stops cleared in active line */
2591 case 3: /* all char tab stops are cleared */
2592 /* case 4: */ /* all line tab stops are cleared */
2593 case 5: /* all tab stops are cleared */
2594 rxvt_scr_set_tab(aR_ -1);
2595 break;
2596 }
2597 break;
2598
2599 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2600 switch (arg[0]) {
2601 case 0: /* char tab stop set at active position */
2602 rxvt_scr_set_tab(aR_ 1);
2603 break; /* = ESC H */
2604 /* case 1: */ /* line tab stop set at active line */
2605 case 2: /* char tab stop cleared at active position */
2606 rxvt_scr_set_tab(aR_ 0);
2607 break; /* = ESC [ 0 g */
2608 /* case 3: */ /* line tab stop cleared at active line */
2609 /* case 4: */ /* char tab stops cleared at active line */
2610 case 5: /* all char tab stops are cleared */
2611 rxvt_scr_set_tab(aR_ -1);
2612 break; /* = ESC [ 3 g */
2613 /* case 6: */ /* all line tab stops are cleared */
2614 }
2615 break;
2616
2617 case CSI_RM: /* 8.3.107: RESET MODE */
2618 if (arg[0] == 4)
2619 rxvt_scr_insert_mode(aR_ 0);
2620 break;
2621
2622 case CSI_SM: /* 8.3.126: SET MODE */
2623 if (arg[0] == 4)
2624 rxvt_scr_insert_mode(aR_ 1);
2625 break;
2626
2627 /*
2628 * PRIVATE USE beyond this point. All CSI_7? sequences here
2629 */
2630 case CSI_72: /* DECSTBM: set top and bottom margins */
2631 if (nargs == 1)
2632 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2633 else if (nargs == 0 || arg[0] >= arg[1])
2634 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2635 else
2636 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2637 break;
2638
2639 case CSI_73:
2640 rxvt_scr_cursor(aR_ SAVE);
2641 break;
2642 case CSI_75:
2643 rxvt_scr_cursor(aR_ RESTORE);
2644 break;
2645
2646 #ifndef NO_FRILLS
2647 case CSI_74:
2648 rxvt_process_window_ops(aR_ arg, nargs);
2649 break;
2650 #endif
2651
2652 case CSI_78: /* DECREQTPARM */
2653 if (arg[0] == 0 || arg[0] == 1)
2654 rxvt_tt_printf(aR_ "\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2655 /* FALLTHROUGH */
2656
2657 default:
2658 break;
2659 }
2660 }
2661 /*}}} */
2662
2663 #ifndef NO_FRILLS
2664 /* ARGSUSED */
2665 /* INTPROTO */
2666 void
2667 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2668 {
2669 int x, y;
2670 #if 0
2671 char *s;
2672 #endif
2673 XWindowAttributes wattr;
2674 Window wdummy;
2675
2676 if (nargs == 0)
2677 return;
2678 switch (args[0]) {
2679 /*
2680 * commands
2681 */
2682 case 1: /* deiconify window */
2683 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2684 break;
2685 case 2: /* iconify window */
2686 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2687 DefaultScreen(R->Xdisplay));
2688 break;
2689 case 3: /* set position (pixels) */
2690 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2691 break;
2692 case 4: /* set size (pixels) */
2693 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2694 break;
2695 case 5: /* raise window */
2696 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2697 break;
2698 case 6: /* lower window */
2699 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2700 break;
2701 case 7: /* refresh window */
2702 rxvt_scr_touch(aR_ True);
2703 break;
2704 case 8: /* set size (chars) */
2705 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2706 (unsigned int)(args[1] * R->TermWin.fheight));
2707 break;
2708 default:
2709 if (args[0] >= 24) /* set height (chars) */
2710 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2711 (unsigned int)(args[1] * R->TermWin.fheight));
2712 break;
2713 /*
2714 * reports - some output format copied from XTerm
2715 */
2716 case 11: /* report window state */
2717 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2718 rxvt_tt_printf(aR_ "\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2719 break;
2720 case 13: /* report window position */
2721 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2722 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2723 -wattr.border_width, -wattr.border_width,
2724 &x, &y, &wdummy);
2725 rxvt_tt_printf(aR_ "\033[3;%d;%dt", x, y);
2726 break;
2727 case 14: /* report window size (pixels) */
2728 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2729 rxvt_tt_printf(aR_ "\033[4;%d;%dt", wattr.height, wattr.width);
2730 break;
2731 case 18: /* report window size (chars) */
2732 rxvt_tt_printf(aR_ "\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2733 break;
2734 #if 0 /* XXX: currently disabled due to security concerns */
2735 case 20: /* report icon label */
2736 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2737 rxvt_tt_printf(aR_ "\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2738 break;
2739 case 21: /* report window title */
2740 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2741 rxvt_tt_printf(aR_ "\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2742 break;
2743 #endif
2744 }
2745 }
2746 #endif
2747
2748 /*----------------------------------------------------------------------*/
2749 /*
2750 * get input up until STRING TERMINATOR (or BEL)
2751 * ends_how is terminator used. returned input must be free()d
2752 */
2753 /* INTPROTO */
2754 unsigned char *
2755 rxvt_get_to_st(pR_ unsigned char *ends_how)
2756 {
2757 int seen_esc = 0; /* seen escape? */
2758 unsigned int n = 0;
2759 unsigned char *s;
2760 unsigned char ch, string[STRING_MAX];
2761
2762 for (; (ch = rxvt_cmd_getc(aR));) {
2763 if (ch == C0_BEL
2764 || ch == CHAR_ST
2765 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2766 break;
2767 if (ch == C0_ESC) {
2768 seen_esc = 1;
2769 continue;
2770 } else if (ch == '\t')
2771 ch = ' '; /* translate '\t' to space */
2772 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2773 return NULL; /* other control character - exit */
2774 if (n < sizeof(string) - 1)
2775 string[n++] = ch;
2776 seen_esc = 0;
2777 }
2778 string[n++] = '\0';
2779 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2780 return NULL;
2781 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2782 STRNCPY(s, string, n);
2783 return s;
2784 }
2785
2786 /*----------------------------------------------------------------------*/
2787 /*
2788 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2789 */
2790 /* INTPROTO */
2791 void
2792 rxvt_process_dcs_seq(pR)
2793 {
2794 unsigned char eh, *s;
2795 /*
2796 * Not handled yet
2797 */
2798 s = rxvt_get_to_st(aR_ &eh);
2799 if (s)
2800 free(s);
2801 return;
2802 }
2803
2804 /*----------------------------------------------------------------------*/
2805 /*
2806 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2807 */
2808 /* INTPROTO */
2809 void
2810 rxvt_process_osc_seq(pR)
2811 {
2812 unsigned char ch, eh, *s;
2813 int arg;
2814
2815 ch = rxvt_cmd_getc(aR);
2816 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2817 arg = arg * 10 + (ch - '0');
2818
2819 if (ch == ';') {
2820 s = rxvt_get_to_st(aR_ &eh);
2821 if (s) {
2822 /*
2823 * rxvt_menubar_dispatch() violates the constness of the string,
2824 * so do it here
2825 */
2826 if (arg == XTerm_Menu)
2827 #if 0 /* XXX: currently disabled due to security concerns */
2828 rxvt_menubar_dispatch(aR_ (char *)s);
2829 #else
2830 0;
2831 #endif
2832 else
2833 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2834 free(s);
2835 }
2836 }
2837 }
2838 /*
2839 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2840 * 0 = change iconName/title
2841 * 1 = change iconName
2842 * 2 = change title
2843 * 4 = change color
2844 * 12 = change text color
2845 * 13 = change mouse foreground color
2846 * 17 = change highlight character colour
2847 * 18 = change bold character color
2848 * 19 = change underlined character color
2849 * 46 = change logfile (not implemented)
2850 * 50 = change font
2851 *
2852 * rxvt extensions:
2853 * 10 = menu (may change in future)
2854 * 20 = bg pixmap
2855 * 39 = change default fg color
2856 * 49 = change default bg color
2857 * 55 = dump scrollback buffer and all of screen
2858 */
2859 /* EXTPROTO */
2860 void
2861 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2862 {
2863 int changed = 0;
2864 int color;
2865 char *buf, *name;
2866
2867 assert(str != NULL);
2868 switch (op) {
2869 case XTerm_name:
2870 rxvt_set_title(aR_ str);
2871 /* FALLTHROUGH */
2872 case XTerm_iconName:
2873 rxvt_set_iconName(aR_ str);
2874 break;
2875 case XTerm_title:
2876 rxvt_set_title(aR_ str);
2877 break;
2878 case XTerm_Color:
2879 for (buf = (char *)str; buf && *buf;) {
2880 if ((name = STRCHR(buf, ';')) == NULL)
2881 break;
2882 *name++ = '\0';
2883 color = atoi(buf);
2884 if (color < 0 || color >= TOTAL_COLORS)
2885 break;
2886 if ((buf = STRCHR(name, ';')) != NULL)
2887 *buf++ = '\0';
2888 rxvt_set_window_color(aR_ color + minCOLOR, name);
2889 }
2890 break;
2891 #ifndef NO_CURSORCOLOR
2892 case XTerm_Color_cursor:
2893 rxvt_set_window_color(aR_ Color_cursor, str);
2894 break;
2895 #endif
2896 case XTerm_Color_pointer:
2897 rxvt_set_window_color(aR_ Color_pointer, str);
2898 break;
2899 #ifndef NO_BOLD_UNDERLINE_REVERSE
2900 case XTerm_Color_BD:
2901 rxvt_set_window_color(aR_ Color_BD, str);
2902 break;
2903 case XTerm_Color_UL:
2904 rxvt_set_window_color(aR_ Color_UL, str);
2905 break;
2906 case XTerm_Color_RV:
2907 rxvt_set_window_color(aR_ Color_RV, str);
2908 break;
2909 #endif
2910
2911 case XTerm_Menu:
2912 /*
2913 * rxvt_menubar_dispatch() violates the constness of the string,
2914 * so DON'T do it here
2915 */
2916 break;
2917 case XTerm_Pixmap:
2918 if (*str != ';') {
2919 #if XPM_BACKGROUND
2920 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2921 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2922 #endif
2923 rxvt_scr_touch(aR_ True);
2924 }
2925 while ((str = STRCHR(str, ';')) != NULL) {
2926 str++;
2927 #if XPM_BACKGROUND
2928 changed += rxvt_scale_pixmap(aR_ str);
2929 #endif
2930 }
2931 if (changed) {
2932 #ifdef XPM_BACKGROUND
2933 rxvt_resize_pixmap(aR);
2934 #endif
2935 rxvt_scr_touch(aR_ True);
2936 }
2937 break;
2938
2939 case XTerm_restoreFG:
2940 rxvt_set_window_color(aR_ Color_fg, str);
2941 break;
2942 case XTerm_restoreBG:
2943 rxvt_set_window_color(aR_ Color_bg, str);
2944 break;
2945 case XTerm_logfile:
2946 break;
2947 case XTerm_font:
2948 rxvt_change_font(aR_ 0, str);
2949 break;
2950 #if 0
2951 case XTerm_dumpscreen: /* no error notices */
2952 {
2953 int fd;
2954 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
2955 rxvt_scr_dump(aR_ fd);
2956 close(fd);
2957 }
2958 }
2959 break;
2960 #endif
2961 }
2962 }
2963 /*----------------------------------------------------------------------*/
2964
2965 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
2966 /*
2967 * mode can only have the following values:
2968 * 'l' = low
2969 * 'h' = high
2970 * 's' = save
2971 * 'r' = restore
2972 * 't' = toggle
2973 * so no need for fancy checking
2974 */
2975 /* INTPROTO */
2976 int
2977 rxvt_privcases(pR_ int mode, unsigned long bit)
2978 {
2979 int state;
2980
2981 if (mode == 's') {
2982 R->h->SavedModes |= (R->h->PrivateModes & bit);
2983 return -1;
2984 } else {
2985 if (mode == 'r')
2986 state = (R->h->SavedModes & bit) ? 1 : 0; /* no overlapping */
2987 else
2988 state = (mode == 't') ? !(R->h->PrivateModes & bit) : mode;
2989 PrivMode(state, bit);
2990 }
2991 return state;
2992 }
2993
2994 /* we're not using priv _yet_ */
2995 /* INTPROTO */
2996 void
2997 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
2998 {
2999 unsigned int i, j;
3000 int state;
3001 static const struct {
3002 const int argval;
3003 const unsigned long bit;
3004 } argtopriv[] = {
3005 { 1, PrivMode_aplCUR },
3006 { 2, PrivMode_vt52 },
3007 { 3, PrivMode_132 },
3008 { 4, PrivMode_smoothScroll },
3009 { 5, PrivMode_rVideo },
3010 { 6, PrivMode_relOrigin },
3011 { 7, PrivMode_Autowrap },
3012 { 9, PrivMode_MouseX10 },
3013 #ifdef menuBar_esc
3014 { menuBar_esc, PrivMode_menuBar },
3015 #endif
3016 #ifdef scrollBar_esc
3017 { scrollBar_esc, PrivMode_scrollBar },
3018 #endif
3019 { 25, PrivMode_VisibleCursor },
3020 { 35, PrivMode_ShiftKeys },
3021 { 40, PrivMode_132OK },
3022 { 47, PrivMode_Screen },
3023 { 66, PrivMode_aplKP },
3024 #ifndef NO_BACKSPACE_KEY
3025 { 67, PrivMode_BackSpace },
3026 #endif
3027 { 1000, PrivMode_MouseX11 },
3028 { 1010, PrivMode_TtyOutputInh },
3029 { 1011, PrivMode_Keypress },
3030 { 1047, PrivMode_Screen },
3031 };
3032
3033 if (nargs == 0)
3034 return;
3035
3036 /* make lo/hi boolean */
3037 if (mode == 'l')
3038 mode = 0; /* reset */
3039 else if (mode == 'h')
3040 mode = 1; /* set */
3041
3042 for (i = 0; i < nargs; i++) {
3043 state = -1;
3044
3045 /* basic handling */
3046 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3047 if (argtopriv[j].argval == arg[i]) {
3048 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3049 break;
3050 }
3051
3052 /* extra handling for values with state unkept */
3053 if (state == -1)
3054 switch (arg[i]) {
3055 case 1048: /* alternative cursor save */
3056 if (mode == 0)
3057 rxvt_scr_cursor(aR_ RESTORE);
3058 else if (mode == 1)
3059 rxvt_scr_cursor(aR_ SAVE);
3060 /* FALLTHROUGH */
3061 default:
3062 continue; /* for(;i;) */
3063 }
3064
3065 /* extra handling for values with valid 0 or 1 state */
3066 switch (arg[i]) {
3067 /* case 1: - application cursor keys */
3068 case 2: /* VT52 mode */
3069 /* oddball mode. should be set regardless of set/reset
3070 * parameter. Return from VT52 mode with an ESC < from
3071 * within VT52 mode
3072 */
3073 PrivMode(1, PrivMode_vt52);
3074 break;
3075 case 3: /* 80/132 */
3076 if (R->h->PrivateModes & PrivMode_132OK)
3077 rxvt_set_widthheight(aR_
3078 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3079 (unsigned int)R->TermWin.height);
3080 break;
3081 case 4: /* smooth scrolling */
3082 if (state)
3083 R->Options &= ~Opt_jumpScroll;
3084 else
3085 R->Options |= Opt_jumpScroll;
3086 break;
3087 case 5: /* reverse video */
3088 rxvt_scr_rvideo_mode(aR_ state);
3089 break;
3090 case 6: /* relative/absolute origins */
3091 rxvt_scr_relative_origin(aR_ state);
3092 break;
3093 case 7: /* autowrap */
3094 rxvt_scr_autowrap(aR_ state);
3095 break;
3096 /* case 8: - auto repeat, can't do on a per window basis */
3097 case 9: /* X10 mouse reporting */
3098 if (state) /* orthogonal */
3099 R->h->PrivateModes &= ~(PrivMode_MouseX11);
3100 break;
3101 #ifdef menuBar_esc
3102 case menuBar_esc:
3103 #ifdef MENUBAR
3104 rxvt_map_menuBar(aR_ state);
3105 #endif
3106 break;
3107 #endif
3108 #ifdef scrollBar_esc
3109 case scrollBar_esc:
3110 if (rxvt_scrollbar_mapping(aR_ state)) {
3111 rxvt_resize_all_windows(aR_ 0, 0, 0);
3112 rxvt_scr_touch(aR_ True);
3113 }
3114 break;
3115 #endif
3116 case 25: /* visible/invisible cursor */
3117 rxvt_scr_cursor_visible(aR_ state);
3118 break;
3119 /* case 35: - shift keys */
3120 /* case 40: - 80 <--> 132 mode */
3121 case 47: /* secondary screen */
3122 rxvt_scr_change_screen(aR_ state);
3123 break;
3124 /* case 66: - application key pad */
3125 /* case 67: - backspace key */
3126 case 1000: /* X11 mouse reporting */
3127 if (state) /* orthogonal */
3128 R->h->PrivateModes &= ~(PrivMode_MouseX10);
3129 break;
3130 #if 0
3131 case 1001:
3132 break; /* X11 mouse highlighting */
3133 #endif
3134 case 1010: /* scroll to bottom on TTY output inhibit */
3135 if (state)
3136 R->Options &= ~Opt_scrollTtyOutput;
3137 else
3138 R->Options |= Opt_scrollTtyOutput;
3139 break;
3140 case 1011: /* scroll to bottom on key press */
3141 if (state)
3142 R->Options |= Opt_scrollTtyKeypress;
3143 else
3144 R->Options &= ~Opt_scrollTtyKeypress;
3145 break;
3146 case 1047: /* secondary screen w/ clearing */
3147 if (R->h->current_screen != PRIMARY)
3148 rxvt_scr_erase_screen(aR_ 2);
3149 rxvt_scr_change_screen(aR_ state);
3150 /* FALLTHROUGH */
3151 default:
3152 break;
3153 }
3154 }
3155 }
3156 /*}}} */
3157
3158 /*{{{ process sgr sequences */
3159 /* INTPROTO */
3160 void
3161 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3162 {
3163 unsigned int i;
3164 short rendset;
3165 int rendstyle;
3166
3167 if (nargs == 0) {
3168 rxvt_scr_rendition(aR_ 0, ~RS_None);
3169 return;
3170 }
3171 for (i = 0; i < nargs; i++) {
3172 rendset = -1;
3173 switch (arg[i]) {
3174 case 0:
3175 rendset = 0, rendstyle = ~RS_None;
3176 break;
3177 case 1:
3178 rendset = 1, rendstyle = RS_Bold;
3179 break;
3180 case 4:
3181 rendset = 1, rendstyle = RS_Uline;
3182 break;
3183 case 5:
3184 rendset = 1, rendstyle = RS_Blink;
3185 break;
3186 case 7:
3187 rendset = 1, rendstyle = RS_RVid;
3188 break;
3189 case 22:
3190 rendset = 0, rendstyle = RS_Bold;
3191 break;
3192 case 24:
3193 rendset = 0, rendstyle = RS_Uline;
3194 break;
3195 case 25:
3196 rendset = 0, rendstyle = RS_Blink;
3197 break;
3198 case 27:
3199 rendset = 0, rendstyle = RS_RVid;
3200 break;
3201 }
3202 if (rendset != -1) {
3203 rxvt_scr_rendition(aR_ rendset, rendstyle);
3204 continue; /* for(;i;) */
3205 }
3206
3207 switch (arg[i]) {
3208 case 30:
3209 case 31: /* set fg color */
3210 case 32:
3211 case 33:
3212 case 34:
3213 case 35:
3214 case 36:
3215 case 37:
3216 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3217 Color_fg);
3218 break;
3219 #ifdef TTY_256COLOR
3220 case 38:
3221 if (nargs > i + 2 && arg[i + 1] == 5) {
3222 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3223 Color_fg);
3224 i += 2;
3225 }
3226 break;
3227 #endif
3228 case 39: /* default fg */
3229 rxvt_scr_color(aR_ Color_fg, Color_fg);
3230 break;
3231
3232 case 40:
3233 case 41: /* set bg color */
3234 case 42:
3235 case 43:
3236 case 44:
3237 case 45:
3238 case 46:
3239 case 47:
3240 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3241 Color_bg);
3242 break;
3243 #ifdef TTY_256COLOR
3244 case 48:
3245 if (nargs > i + 2 && arg[i + 1] == 5) {
3246 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3247 Color_bg);
3248 i += 2;
3249 }
3250 break;
3251 #endif
3252 case 49: /* default bg */
3253 rxvt_scr_color(aR_ Color_bg, Color_bg);
3254 break;
3255
3256 #ifndef NO_BRIGHTCOLOR
3257 case 90:
3258 case 91: /* set bright fg color */
3259 case 92:
3260 case 93:
3261 case 94:
3262 case 95:
3263 case 96:
3264 case 97:
3265 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3266 Color_fg);
3267 break;
3268 case 100:
3269 case 101: /* set bright bg color */
3270 case 102:
3271 case 103:
3272 case 104:
3273 case 105:
3274 case 106:
3275 case 107:
3276 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3277 Color_bg);
3278 break;
3279 #endif
3280 }
3281 }
3282 }
3283 /*}}} */
3284
3285 /*{{{ process Rob Nation's own graphics mode sequences */
3286 /* INTPROTO */
3287 void
3288 rxvt_process_graphics(pR)
3289 {
3290 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3291
3292 #ifndef RXVT_GRAPHICS
3293 if (cmd == 'Q') { /* query graphics */
3294 rxvt_tt_printf(aR_ "\033G0\n"); /* no graphics */
3295 return;
3296 }
3297 /* swallow other graphics sequences until terminating ':' */
3298 do
3299 ch = rxvt_cmd_getc(aR);
3300 while (ch != ':');
3301 #else
3302 unsigned int nargs;
3303 int args[NGRX_PTS];
3304 unsigned char *text = NULL;
3305
3306 if (cmd == 'Q') { /* query graphics */
3307 rxvt_tt_printf(aR_ "\033G1\n"); /* yes, graphics (color) */
3308 return;
3309 }
3310 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3311 int neg;
3312
3313 ch = rxvt_cmd_getc(aR);
3314 neg = (ch == '-');
3315 if (neg || ch == '+')
3316 ch = rxvt_cmd_getc(aR);
3317
3318 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3319 args[nargs] = args[nargs] * 10 + (ch - '0');
3320 if (neg)
3321 args[nargs] = -args[nargs];
3322
3323 nargs++;
3324 args[nargs] = 0;
3325 if (ch != ';')
3326 break;
3327 }
3328
3329 if ((cmd == 'T') && (nargs >= 5)) {
3330 int i, len = args[4];
3331
3332 text = rxvt_malloc((len + 1) * sizeof(char));
3333
3334 if (text != NULL) {
3335 for (i = 0; i < len; i++)
3336 text[i] = rxvt_cmd_getc(aR);
3337 text[len] = '\0';
3338 }
3339 }
3340 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3341 #endif
3342 }
3343 /*}}} */
3344
3345 /* ------------------------------------------------------------------------- */
3346
3347 /*{{{ Read and process output from the application */
3348 /* LIBPROTO */
3349 void
3350 rxvt_main_loop(pR)
3351 {
3352 uint32_t ch, *str, buf[BUFSIZ];
3353 int nlines, refreshnow;
3354 struct rxvt_hidden *h = R->h;
3355
3356 h->cmdbuf_ptr = h->cmdbuf_endp = h->cmdbuf_base;
3357
3358 /* once we know the shell is running, send the screen size. Again! */
3359 ch = rxvt_cmd_getc(aR); /* wait for something */
3360 rxvt_tt_winsize(R->cmd_fd, R->TermWin.ncol, R->TermWin.nrow, R->h->cmd_pid);
3361
3362 refreshnow = 0;
3363 for (;;) {
3364 if (ch == NOCHAR)
3365 ch = rxvt_cmd_getc(aR);
3366
3367 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
3368 {
3369 /* Read a text string from the input buffer */
3370 nlines = 0;
3371 str = buf;
3372 *str++ = ch;
3373 for (;;)
3374 {
3375 ch = next_char (aR);
3376
3377 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
3378 break;
3379 else
3380 {
3381 *str++ = ch;
3382
3383 if (ch == '\n')
3384 {
3385 nlines++;
3386 h->refresh_count++;
3387 if (!(R->Options & Opt_jumpScroll)
3388 || (h->refresh_count >= (h->refresh_limit
3389 * (R->TermWin.nrow - 1))))
3390 {
3391 refreshnow = 1;
3392 ch = NOCHAR;
3393 break;
3394 }
3395 }
3396
3397 if (str >= buf + BUFSIZ)
3398 {
3399 ch = NOCHAR;
3400 break;
3401 }
3402 }
3403 }
3404
3405 rxvt_scr_add_lines(aR_ buf, nlines, str - buf);
3406
3407 /*
3408 * If there have been a lot of new lines, then update the screen
3409 * What the heck I'll cheat and only refresh less than every page-full.
3410 * the number of pages between refreshes is h->refresh_limit, which
3411 * is incremented here because we must be doing flat-out scrolling.
3412 *
3413 * refreshing should be correct for small scrolls, because of the
3414 * time-out
3415 */
3416
3417 //TODO: REFRESH_PERIOD is one, fix it
3418 if (refreshnow)
3419 {
3420 refreshnow = 0;
3421
3422 if ((R->Options & Opt_jumpScroll) && h->refresh_limit < REFRESH_PERIOD)
3423 h->refresh_limit++;
3424
3425 rxvt_scr_refresh(aR_ h->refresh_type);
3426 }
3427
3428 }
3429 else
3430 {
3431 switch (ch)
3432 {
3433 default:
3434 rxvt_process_nonprinting(aR_ ch);
3435 break;
3436 case C0_ESC: /* escape char */
3437 rxvt_process_escape_seq(aR);
3438 break;
3439 /* case 0x9b: */ /* CSI */
3440 /* rxvt_process_csi_seq(aR); */
3441 }
3442
3443 ch = NOCHAR;
3444 }
3445 }
3446 /* NOTREACHED */
3447 }
3448
3449 /*
3450 * Send printf() formatted output to the command.
3451 * Only use for small amounts of data.
3452 */
3453 /* EXTPROTO */
3454 void
3455 rxvt_tt_printf(pR_ const char *fmt,...)
3456 {
3457 va_list arg_ptr;
3458 unsigned char buf[256];
3459
3460 va_start(arg_ptr, fmt);
3461 vsprintf((char *)buf, fmt, arg_ptr);
3462 va_end(arg_ptr);
3463 rxvt_tt_write(aR_ buf, (unsigned int)STRLEN(buf));
3464 }
3465
3466 /* ---------------------------------------------------------------------- */
3467 /* Addresses pasting large amounts of data and rxvt hang
3468 * code pinched from xterm (v_write()) and applied originally to
3469 * rxvt-2.18 - Hops
3470 * Write data to the pty as typed by the user, pasted with the mouse,
3471 * or generated by us in response to a query ESC sequence.
3472 */
3473 /* EXTPROTO */
3474 void
3475 rxvt_tt_write(pR_ const unsigned char *d, unsigned int len)
3476 {
3477 #define MAX_PTY_WRITE 256 /* POSIX minimum MAX_INPUT */
3478 int riten;
3479 unsigned int p;
3480 unsigned char *v_buffer, /* start of physical buffer */
3481 *v_bufstr, /* start of current buffer pending */
3482 *v_bufptr, /* end of current buffer pending */
3483 *v_bufend; /* end of physical buffer */
3484
3485 if (R->h->v_bufstr == NULL && len > 0) {
3486 p = (len / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3487 v_buffer = v_bufstr = v_bufptr = (unsigned char *)rxvt_malloc(p);
3488 v_bufend = v_buffer + p;
3489 } else {
3490 v_buffer = R->h->v_buffer;
3491 v_bufstr = R->h->v_bufstr;
3492 v_bufptr = R->h->v_bufptr;
3493 v_bufend = R->h->v_bufend;
3494 }
3495
3496 /*
3497 * Append to the block we already have. Always doing this simplifies the
3498 * code, and isn't too bad, either. If this is a short block, it isn't
3499 * too expensive, and if this is a long block, we won't be able to write
3500 * it all anyway.
3501 */
3502 if (len > 0) {
3503 if (v_bufend < v_bufptr + len) { /* run out of room */
3504 if (v_bufstr != v_buffer) {
3505 /* there is unused space, move everything down */
3506 MEMMOVE(v_buffer, v_bufstr,
3507 (unsigned int)(v_bufptr - v_bufstr));
3508 v_bufptr -= v_bufstr - v_buffer;
3509 v_bufstr = v_buffer;
3510 }
3511 if (v_bufend < v_bufptr + len) {
3512 /* still won't fit: get more space */
3513 /* use most basic realloc because an error is not fatal. */
3514 unsigned int size = v_bufptr - v_buffer;
3515 unsigned int reallocto;
3516
3517 reallocto = ((size + len) / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3518 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3519 /* save across realloc */
3520 if (v_buffer) {
3521 v_bufstr = v_buffer;
3522 v_bufptr = v_buffer + size;
3523 v_bufend = v_buffer + reallocto;
3524 } else { /* no memory: ignore entire write request */
3525 rxvt_print_error("data loss: cannot allocate buffer space");
3526 v_buffer = v_bufstr; /* restore clobbered pointer */
3527 }
3528 }
3529 }
3530 if (v_bufend >= v_bufptr + len) { /* new stuff will fit */
3531 MEMCPY(v_bufptr, d, len);
3532 v_bufptr += len;
3533 }
3534 }
3535
3536 /*
3537 * Write out as much of the buffer as we can.
3538 * Be careful not to overflow the pty's input silo.
3539 * We are conservative here and only write a small amount at a time.
3540 *
3541 * If we can't push all the data into the pty yet, we expect write
3542 * to return a non-negative number less than the length requested
3543 * (if some data written) or -1 and set errno to EAGAIN,
3544 * EWOULDBLOCK, or EINTR (if no data written).
3545 *
3546 * (Not all systems do this, sigh, so the code is actually
3547 * a little more forgiving.)
3548 */
3549 if ((p = v_bufptr - v_bufstr) > 0) {
3550 riten = write(R->cmd_fd, v_bufstr, min(p, MAX_PTY_WRITE));
3551 if (riten < 0)
3552 riten = 0;
3553 v_bufstr += riten;
3554 if (v_bufstr >= v_bufptr) /* we wrote it all */
3555 v_bufstr = v_bufptr = v_buffer;
3556 }
3557 /*
3558 * If we have lots of unused memory allocated, return it
3559 */
3560 if (v_bufend - v_bufptr > MAX_PTY_WRITE * 8) { /* arbitrary hysteresis */
3561 /* save pointers across realloc */
3562 unsigned int start = v_bufstr - v_buffer;
3563 unsigned int size = v_bufptr - v_buffer;
3564 unsigned int reallocto;
3565
3566 reallocto = (size / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3567 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3568 if (v_buffer) {
3569 v_bufstr = v_buffer + start;
3570 v_bufptr = v_buffer + size;
3571 v_bufend = v_buffer + reallocto;
3572 } else {
3573 /* should we print a warning if couldn't return memory? */
3574 v_buffer = v_bufstr - start; /* restore clobbered pointer */
3575 }
3576 }
3577 R->h->v_buffer = v_buffer;
3578 R->h->v_bufstr = v_bufstr;
3579 R->h->v_bufptr = v_bufptr;
3580 R->h->v_bufend = v_bufend;
3581 }
3582 /*----------------------- end-of-file (C source) -----------------------*/
3583