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Revision: 1.3
Committed: Tue Nov 25 11:52:42 2003 UTC (20 years, 5 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.2: +339 -290 lines
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File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.2 2003/11/24 17:31:27 pcg Exp $
5 *
6 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
10 * - extensive modifications
11 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
12 * - vt100 printing
13 * Copyright (c) 1995 Steven Hirsch <hirsch@emba.uvm.edu>
14 * - X11 mouse report mode and support for
15 * DEC "private mode" save/restore functions.
16 * Copyright (c) 1995 Jakub Jelinek <jj@gnu.ai.mit.edu>
17 * - key-related changes to handle Shift+function
18 * keys properly.
19 * Copyright (c) 1997 MJ Olesen <olesen@me.queensu.ca>
20 * - extensive modifications
21 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es>
22 * - modification and cleanups for Solaris 2.x
23 * and Linux 1.2.x
24 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
25 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
26 * - extensive modifications
27 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
28 * Copyright (c) 2001 Marius Gedminas
29 * - Ctrl/Mod4+Tab works like Meta+Tab (options)
30 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org>
31 *
32 * This program is free software; you can redistribute it and/or modify
33 * it under the terms of the GNU General Public License as published by
34 * the Free Software Foundation; either version 2 of the License, or
35 * (at your option) any later version.
36 *
37 * This program is distributed in the hope that it will be useful,
38 * but WITHOUT ANY WARRANTY; without even the implied warranty of
39 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
40 * GNU General Public License for more details.
41 *
42 * You should have received a copy of the GNU General Public License
43 * along with this program; if not, write to the Free Software
44 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 *----------------------------------------------------------------------*/
46
47 /*{{{ includes: */
48 #include "../config.h" /* NECESSARY */
49 #include "rxvt.h" /* NECESSARY */
50 #include "version.h"
51 #include "command.h"
52
53 /*----------------------------------------------------------------------*/
54
55 /*{{{ Convert the keypress event into a string */
56 /* INTPROTO */
57 void
58 rxvt_lookup_key(pR_ XKeyEvent *ev)
59 {
60 int ctrl, meta, shft, len;
61 unsigned int newlen;
62 KeySym keysym;
63 #ifdef DEBUG_CMD
64 static int debug_key = 1; /* accessible by a debugger only */
65 #endif
66 #ifdef USE_XIM
67 int valid_keysym;
68 #endif
69 unsigned char *kbuf = R->kbuf;
70
71 /*
72 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
73 * escape sequence to toggle the Keypad.
74 *
75 * Always permit `shift' to override the current setting
76 */
77 shft = (ev->state & ShiftMask);
78 ctrl = (ev->state & ControlMask);
79 meta = (ev->state & R->ModMetaMask);
80 if (R->numlock_state || (ev->state & R->ModNumLockMask)) {
81 R->numlock_state = (ev->state & R->ModNumLockMask);
82 PrivMode((!R->numlock_state), PrivMode_aplKP);
83 }
84 #ifdef USE_XIM
85 if (R->Input_Context != NULL) {
86 Status status_return;
87
88 kbuf[0] = '\0';
89 #ifdef X_HAVE_UTF8_STRING
90 len = Xutf8LookupString(R->Input_Context, ev, (char *)kbuf,
91 KBUFSZ, &keysym, &status_return);
92 #else
93 len = XmbLookupString(R->Input_Context, ev, (char *)kbuf,
94 KBUFSZ, &keysym, &status_return);
95 #endif
96 valid_keysym = ((status_return == XLookupKeySym)
97 || (status_return == XLookupBoth));
98 } else {
99 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
100 &R->compose);
101 valid_keysym = 1;
102 }
103 #else /* USE_XIM */
104 len = XLookupString(ev, (char *)kbuf, KBUFSZ, &keysym,
105 &R->compose);
106 /*
107 * map unmapped Latin[2-4]/Katakana/Arabic/Cyrillic/Greek entries -> Latin1
108 * good for installations with correct fonts, but without XLOCALE
109 */
110 if (!len) {
111 if ((keysym >= 0x0100) && (keysym < 0x0800)) {
112 kbuf[0] = (keysym & 0xFF);
113 kbuf[1] = '\0';
114 len = 1;
115 } else
116 kbuf[0] = '\0';
117 }
118 #endif /* USE_XIM */
119
120 #ifdef USE_XIM
121 if (valid_keysym)
122 #endif
123 {
124 /* for some backwards compatibility */
125 #if defined(HOTKEY_CTRL) || defined(HOTKEY_META)
126 # ifdef HOTKEY_CTRL
127 if (ctrl) {
128 # else
129 if (meta) {
130 # endif
131 if (keysym == R->ks_bigfont) {
132 rxvt_change_font(aR_ 0, FONT_UP);
133 return;
134 } else if (keysym == R->ks_smallfont) {
135 rxvt_change_font(aR_ 0, FONT_DN);
136 return;
137 }
138 }
139 #endif
140
141 if (R->TermWin.saveLines) {
142 #ifdef UNSHIFTED_SCROLLKEYS
143 if (!ctrl && !meta) {
144 #else
145 if (IS_SCROLL_MOD) {
146 #endif
147 int lnsppg;
148
149 #ifdef PAGING_CONTEXT_LINES
150 lnsppg = R->TermWin.nrow - PAGING_CONTEXT_LINES;
151 #else
152 lnsppg = R->TermWin.nrow * 4 / 5;
153 #endif
154 if (keysym == XK_Prior) {
155 rxvt_scr_page(aR_ UP, lnsppg);
156 return;
157 } else if (keysym == XK_Next) {
158 rxvt_scr_page(aR_ DN, lnsppg);
159 return;
160 }
161 }
162 #ifdef SCROLL_ON_UPDOWN_KEYS
163 if (IS_SCROLL_MOD) {
164 if (keysym == XK_Up) {
165 rxvt_scr_page(aR_ UP, 1);
166 return;
167 } else if (keysym == XK_Down) {
168 rxvt_scr_page(aR_ DN, 1);
169 return;
170 }
171 }
172 #endif
173 #ifdef SCROLL_ON_HOMEEND_KEYS
174 if (IS_SCROLL_MOD) {
175 if (keysym == XK_Home) {
176 rxvt_scr_move_to(aR_ 0, 1);
177 return;
178 } else if (keysym == XK_End) {
179 rxvt_scr_move_to(aR_ 1, 0);
180 return;
181 }
182 }
183 #endif
184 }
185
186 if (shft) {
187 /* Shift + F1 - F10 generates F11 - F20 */
188 if (keysym >= XK_F1 && keysym <= XK_F10) {
189 keysym += (XK_F11 - XK_F1);
190 shft = 0; /* turn off Shift */
191 } else if (!ctrl && !meta && (R->PrivateModes & PrivMode_ShiftKeys)) {
192 switch (keysym) {
193 /* normal XTerm key bindings */
194 case XK_Insert: /* Shift+Insert = paste mouse selection */
195 rxvt_selection_request(aR_ ev->time, 0, 0);
196 return;
197 /* rxvt extras */
198 case XK_KP_Add: /* Shift+KP_Add = bigger font */
199 rxvt_change_font(aR_ 0, FONT_UP);
200 return;
201 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
202 rxvt_change_font(aR_ 0, FONT_DN);
203 return;
204 }
205 }
206 }
207 #ifdef PRINTPIPE
208 if (keysym == XK_Print) {
209 rxvt_scr_printscreen(aR_ ctrl | shft);
210 return;
211 }
212 #endif
213 #ifdef GREEK_SUPPORT
214 if (keysym == R->ks_greekmodeswith) {
215 R->greek_mode = !R->greek_mode;
216 if (R->greek_mode) {
217 rxvt_xterm_seq(aR_ XTerm_title,
218 (greek_getmode() == GREEK_ELOT928
219 ? "[Greek: iso]" : "[Greek: ibm]"), CHAR_ST);
220 greek_reset();
221 } else
222 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
223 return;
224 }
225 #endif
226
227 if (keysym >= 0xFF00 && keysym <= 0xFFFF) {
228 #ifdef KEYSYM_RESOURCE
229 if (!(shft | ctrl) && R->Keysym_map[keysym & 0xFF] != NULL) {
230 unsigned int l;
231 const unsigned char *kbuf0;
232 const unsigned char ch = C0_ESC;
233
234 kbuf0 = (R->Keysym_map[keysym & 0xFF]);
235 l = (unsigned int)*kbuf0++;
236
237 /* escape prefix */
238 if (meta)
239 # ifdef META8_OPTION
240 if (R->meta_char == C0_ESC)
241 # endif
242 rxvt_tt_write(aR_ &ch, 1);
243 rxvt_tt_write(aR_ kbuf0, l);
244 return;
245 } else
246 #endif
247 {
248 newlen = 1;
249 switch (keysym) {
250 #ifndef NO_BACKSPACE_KEY
251 case XK_BackSpace:
252 if (R->PrivateModes & PrivMode_HaveBackSpace) {
253 kbuf[0] = (!!(R->PrivateModes & PrivMode_BackSpace)
254 ^ !!ctrl) ? '\b' : '\177';
255 kbuf[1] = '\0';
256 } else
257 STRCPY(kbuf, R->key_backspace);
258 # ifdef MULTICHAR_SET
259 if ((R->Options & Opt_mc_hack) && R->screen.cur.col > 0) {
260 int col, row;
261
262 newlen = STRLEN(kbuf);
263 col = R->screen.cur.col - 1;
264 row = R->screen.cur.row + R->TermWin.saveLines;
265 if (IS_MULTI2(R->screen.rend[row][col]))
266 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
267 }
268 # endif
269 break;
270 #endif
271 #ifndef NO_DELETE_KEY
272 case XK_Delete:
273 STRCPY(kbuf, R->key_delete);
274 # ifdef MULTICHAR_SET
275 if (R->Options & Opt_mc_hack) {
276 int col, row;
277
278 newlen = STRLEN(kbuf);
279 col = R->screen.cur.col;
280 row = R->screen.cur.row + R->TermWin.saveLines;
281 if (IS_MULTI1(R->screen.rend[row][col]))
282 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
283 }
284 # endif
285 break;
286 #endif
287 case XK_Tab:
288 if (shft)
289 STRCPY(kbuf, "\033[Z");
290 else {
291 #ifdef CTRL_TAB_MAKES_META
292 if (ctrl)
293 meta = 1;
294 #endif
295 #ifdef MOD4_TAB_MAKES_META
296 if (ev->state & Mod4Mask)
297 meta = 1;
298 #endif
299 newlen = 0;
300 }
301 break;
302
303
304 #ifdef XK_KP_Left
305 case XK_KP_Up: /* \033Ox or standard */
306 case XK_KP_Down: /* \033Or or standard */
307 case XK_KP_Right: /* \033Ov or standard */
308 case XK_KP_Left: /* \033Ot or standard */
309 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
310 STRCPY(kbuf, "\033OZ");
311 kbuf[2] = ("txvr"[keysym - XK_KP_Left]);
312 break;
313 } else
314 /* translate to std. cursor key */
315 keysym = XK_Left + (keysym - XK_KP_Left);
316 /* FALLTHROUGH */
317 #endif
318 case XK_Up: /* "\033[A" */
319 case XK_Down: /* "\033[B" */
320 case XK_Right: /* "\033[C" */
321 case XK_Left: /* "\033[D" */
322 STRCPY(kbuf, "\033[Z");
323 kbuf[2] = ("DACB"[keysym - XK_Left]);
324 /* do Shift first */
325 if (shft)
326 kbuf[2] = ("dacb"[keysym - XK_Left]);
327 else if (ctrl) {
328 kbuf[1] = 'O';
329 kbuf[2] = ("dacb"[keysym - XK_Left]);
330 } else if (R->PrivateModes & PrivMode_aplCUR)
331 kbuf[1] = 'O';
332 #ifdef MULTICHAR_SET
333 //TODO: ??
334 if (R->Options & Opt_mc_hack) {
335 int col, row, m;
336
337 col = R->screen.cur.col;
338 row = R->screen.cur.row + R->TermWin.saveLines;
339 m = 0;
340 if (keysym == XK_Right
341 && IS_MULTI1(R->screen.rend[row][col]))
342 m = 1;
343 else if (keysym == XK_Left) {
344 if (col > 0) {
345 if (IS_MULTI2(R->screen.rend[row][col - 1]))
346 m = 1;
347 } else if (R->screen.cur.row > 0) {
348 col = R->screen.tlen[--row];
349 if (col == -1)
350 col = R->TermWin.ncol - 1;
351 else
352 col--;
353 if (col > 0
354 && IS_MULTI2(R->screen.rend[row][col]))
355 m = 1;
356 }
357 }
358 if (m)
359 MEMMOVE(kbuf + 3, kbuf, 3 + 1);
360 }
361 #endif
362 break;
363
364 #ifndef UNSHIFTED_SCROLLKEYS
365 # ifdef XK_KP_Prior
366 case XK_KP_Prior:
367 /* allow shift to override */
368 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
369 STRCPY(kbuf, "\033Oy");
370 break;
371 }
372 /* FALLTHROUGH */
373 # endif
374 case XK_Prior:
375 STRCPY(kbuf, "\033[5~");
376 break;
377 # ifdef XK_KP_Next
378 case XK_KP_Next:
379 /* allow shift to override */
380 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
381 STRCPY(kbuf, "\033Os");
382 break;
383 }
384 /* FALLTHROUGH */
385 # endif
386 case XK_Next:
387 STRCPY(kbuf, "\033[6~");
388 break;
389 #endif
390 case XK_KP_Enter:
391 /* allow shift to override */
392 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
393 STRCPY(kbuf, "\033OM");
394 } else {
395 kbuf[0] = '\r';
396 kbuf[1] = '\0';
397 }
398 break;
399
400 #ifdef XK_KP_Begin
401 case XK_KP_Begin:
402 STRCPY(kbuf, "\033Ou");
403 break;
404
405 case XK_KP_Insert:
406 STRCPY(kbuf, "\033Op");
407 break;
408
409 case XK_KP_Delete:
410 STRCPY(kbuf, "\033On");
411 break;
412 #endif
413 case XK_KP_F1: /* "\033OP" */
414 case XK_KP_F2: /* "\033OQ" */
415 case XK_KP_F3: /* "\033OR" */
416 case XK_KP_F4: /* "\033OS" */
417 STRCPY(kbuf, "\033OP");
418 kbuf[2] += (keysym - XK_KP_F1);
419 break;
420
421 case XK_KP_Multiply: /* "\033Oj" : "*" */
422 case XK_KP_Add: /* "\033Ok" : "+" */
423 case XK_KP_Separator: /* "\033Ol" : "," */
424 case XK_KP_Subtract: /* "\033Om" : "-" */
425 case XK_KP_Decimal: /* "\033On" : "." */
426 case XK_KP_Divide: /* "\033Oo" : "/" */
427 case XK_KP_0: /* "\033Op" : "0" */
428 case XK_KP_1: /* "\033Oq" : "1" */
429 case XK_KP_2: /* "\033Or" : "2" */
430 case XK_KP_3: /* "\033Os" : "3" */
431 case XK_KP_4: /* "\033Ot" : "4" */
432 case XK_KP_5: /* "\033Ou" : "5" */
433 case XK_KP_6: /* "\033Ov" : "6" */
434 case XK_KP_7: /* "\033Ow" : "7" */
435 case XK_KP_8: /* "\033Ox" : "8" */
436 case XK_KP_9: /* "\033Oy" : "9" */
437 /* allow shift to override */
438 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
439 STRCPY(kbuf, "\033Oj");
440 kbuf[2] += (keysym - XK_KP_Multiply);
441 } else {
442 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
443 kbuf[1] = '\0';
444 }
445 break;
446
447 case XK_Find:
448 STRCPY(kbuf, "\033[1~");
449 break;
450 case XK_Insert:
451 STRCPY(kbuf, "\033[2~");
452 break;
453 #ifdef DXK_Remove /* support for DEC remove like key */
454 case DXK_Remove:
455 /* FALLTHROUGH */
456 #endif
457 case XK_Execute:
458 STRCPY(kbuf, "\033[3~");
459 break;
460 case XK_Select:
461 STRCPY(kbuf, "\033[4~");
462 break;
463 #ifdef XK_KP_End
464 case XK_KP_End:
465 /* allow shift to override */
466 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
467 STRCPY(kbuf, "\033Oq");
468 break;
469 }
470 /* FALLTHROUGH */
471 #endif
472 case XK_End:
473 STRCPY(kbuf, KS_END);
474 break;
475 #ifdef XK_KP_Home
476 case XK_KP_Home:
477 /* allow shift to override */
478 if ((R->PrivateModes & PrivMode_aplKP) ? !shft : shft) {
479 STRCPY(kbuf, "\033Ow");
480 break;
481 }
482 /* FALLTHROUGH */
483 #endif
484 case XK_Home:
485 STRCPY(kbuf, KS_HOME);
486 break;
487
488 #define FKEY(n, fkey) \
489 sprintf((char *)kbuf,"\033[%2d~", (int)((n) + (keysym - fkey)))
490
491 case XK_F1: /* "\033[11~" */
492 case XK_F2: /* "\033[12~" */
493 case XK_F3: /* "\033[13~" */
494 case XK_F4: /* "\033[14~" */
495 case XK_F5: /* "\033[15~" */
496 FKEY(11, XK_F1);
497 break;
498 case XK_F6: /* "\033[17~" */
499 case XK_F7: /* "\033[18~" */
500 case XK_F8: /* "\033[19~" */
501 case XK_F9: /* "\033[20~" */
502 case XK_F10: /* "\033[21~" */
503 FKEY(17, XK_F6);
504 break;
505 case XK_F11: /* "\033[23~" */
506 case XK_F12: /* "\033[24~" */
507 case XK_F13: /* "\033[25~" */
508 case XK_F14: /* "\033[26~" */
509 FKEY(23, XK_F11);
510 break;
511 case XK_F15: /* "\033[28~" */
512 case XK_F16: /* "\033[29~" */
513 FKEY(28, XK_F15);
514 break;
515 case XK_Help: /* "\033[28~" */
516 FKEY(28, XK_Help);
517 break;
518 case XK_Menu: /* "\033[29~" */
519 FKEY(29, XK_Menu);
520 break;
521 case XK_F17: /* "\033[31~" */
522 case XK_F18: /* "\033[32~" */
523 case XK_F19: /* "\033[33~" */
524 case XK_F20: /* "\033[34~" */
525 case XK_F21: /* "\033[35~" */
526 case XK_F22: /* "\033[36~" */
527 case XK_F23: /* "\033[37~" */
528 case XK_F24: /* "\033[38~" */
529 case XK_F25: /* "\033[39~" */
530 case XK_F26: /* "\033[40~" */
531 case XK_F27: /* "\033[41~" */
532 case XK_F28: /* "\033[42~" */
533 case XK_F29: /* "\033[43~" */
534 case XK_F30: /* "\033[44~" */
535 case XK_F31: /* "\033[45~" */
536 case XK_F32: /* "\033[46~" */
537 case XK_F33: /* "\033[47~" */
538 case XK_F34: /* "\033[48~" */
539 case XK_F35: /* "\033[49~" */
540 FKEY(31, XK_F17);
541 break;
542 #undef FKEY
543 default:
544 newlen = 0;
545 break;
546 }
547 if (newlen)
548 len = STRLEN(kbuf);
549 }
550 /*
551 * Pass meta for all function keys, if 'meta' option set
552 */
553 #ifdef META8_OPTION
554 if (meta && (R->meta_char == 0x80) && len > 0)
555 kbuf[len - 1] |= 0x80;
556 #endif
557 } else if (ctrl && keysym == XK_minus) {
558 len = 1;
559 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
560 } else {
561 #ifdef META8_OPTION
562 /* set 8-bit on */
563 if (meta && (R->meta_char == 0x80)) {
564 unsigned char *ch;
565
566 for (ch = kbuf; ch < kbuf + len; ch++)
567 *ch |= 0x80;
568 meta = 0;
569 }
570 #endif
571 #ifdef GREEK_SUPPORT
572 if (R->greek_mode)
573 len = greek_xlat(kbuf, len);
574 #endif
575 /* nil */ ;
576 }
577 }
578
579 if (len <= 0)
580 return; /* not mapped */
581
582 if (R->Options & Opt_scrollTtyKeypress)
583 if (R->TermWin.view_start) {
584 R->TermWin.view_start = 0;
585 R->want_refresh = 1;
586 }
587
588 /*
589 * these modifications only affect the static keybuffer
590 * pass Shift/Control indicators for function keys ending with `~'
591 *
592 * eg,
593 * Prior = "ESC[5~"
594 * Shift+Prior = "ESC[5$"
595 * Ctrl+Prior = "ESC[5^"
596 * Ctrl+Shift+Prior = "ESC[5@"
597 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
598 */
599 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
600 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
601
602 /* escape prefix */
603 if (meta
604 #ifdef META8_OPTION
605 && (R->meta_char == C0_ESC)
606 #endif
607 ) {
608 const unsigned char ch = C0_ESC;
609
610 rxvt_tt_write(aR_ &ch, 1);
611 }
612 #ifdef DEBUG_CMD
613 if (debug_key) { /* Display keyboard buffer contents */
614 char *p;
615 int i;
616
617 fprintf(stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
618 for (i = 0, p = kbuf; i < len; i++, p++)
619 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
620 fprintf(stderr, "'\n");
621 }
622 #endif /* DEBUG_CMD */
623 rxvt_tt_write(aR_ kbuf, (unsigned int)len);
624 }
625 /*}}} */
626
627 #if (MENUBAR_MAX)
628 /*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
629 /* attempt to `write' count to the input buffer */
630 /* EXTPROTO */
631 unsigned int
632 rxvt_cmd_write(pR_ const unsigned char *str, unsigned int count)
633 {
634 unsigned int n, s;
635 unsigned char *cmdbuf_base = R->cmdbuf_base,
636 *cmdbuf_endp = R->cmdbuf_endp,
637 *cmdbuf_ptr = R->cmdbuf_ptr;
638
639 n = cmdbuf_ptr - cmdbuf_base;
640 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp;
641 if (n > 0 && s < count) {
642 MEMMOVE(cmdbuf_base, cmdbuf_ptr,
643 (unsigned int)(cmdbuf_endp - cmdbuf_ptr));
644 cmdbuf_ptr = cmdbuf_base;
645 cmdbuf_endp -= n;
646 s += n;
647 }
648 if (count > s) {
649 rxvt_print_error("data loss: cmd_write too large");
650 count = s;
651 }
652 for (; count--;)
653 *cmdbuf_endp++ = *str++;
654 R->cmdbuf_ptr = cmdbuf_ptr;
655 R->cmdbuf_endp = cmdbuf_endp;
656 return 0;
657 }
658 #endif /* MENUBAR_MAX */
659
660 void
661 rxvt_term::process_x_events ()
662 {
663 do
664 {
665 XEvent xev;
666
667 XNextEvent (Xdisplay, &xev);
668 #if defined(CURSOR_BLINK)
669 if ((Options & Opt_cursorBlink)
670 && xev.type == KeyPress) {
671 if (hidden_cursor) {
672 hidden_cursor = 0;
673 want_refresh = 1;
674 }
675 want_keypress_time = 1;
676 }
677 #endif
678
679 #if defined(POINTER_BLANK)
680 if ((Options & Opt_pointerBlank)
681 && (pointerBlankDelay > 0)) {
682 if (xev.type == MotionNotify
683 || xev.type == ButtonPress
684 || xev.type == ButtonRelease) {
685 if (hidden_pointer)
686 rxvt_pointer_unblank(aR);
687 want_motion_time = 1;
688 }
689 if (xev.type == KeyPress && hidden_pointer == 0)
690 rxvt_pointer_blank (this);
691 }
692 #endif
693
694 #ifdef USE_XIM
695 if (!XFilterEvent (&xev, xev.xany.window))
696 #endif
697 rxvt_process_x_event (this, &xev);
698 }
699 while (XPending (Xdisplay));
700 }
701
702 void
703 rxvt_term::x_cb (io_watcher &w, short revents)
704 {
705 process_x_events ();
706 }
707
708 // read the next character, currently handles UTF-8
709 // will probably handle all sorts of other stuff in the future
710 static uint32_t
711 next_char (pR)
712 {
713 mbstate &s = R->mbstate;
714
715 while (R->cmdbuf_ptr < R->cmdbuf_endp)
716 {
717 uint8_t ch = *R->cmdbuf_ptr;
718
719 if (s.cnt)
720 {
721 if ((ch & 0xc0) == 0x80)
722 {
723 R->cmdbuf_ptr++;
724
725 /* continuation */
726 s.reg = (s.reg << 6) | (ch & 0x7f);
727
728 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
729 return s.reg;
730
731 continue;
732 }
733 else
734 {
735 s.cnt = 0;
736 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */
737 }
738 }
739
740 if ((ch & 0xc0) == 0xc0)
741 {
742 R->cmdbuf_ptr++;
743
744 /* first byte */
745 s.orig = ch; /* for broken encodings */
746 s.reg = ch;
747 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; }
748 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; }
749 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; }
750 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; }
751 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; }
752 }
753 else
754 {
755 R->cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */
756 return ch;
757 }
758 }
759
760 return NOCHAR;
761 }
762
763 void
764 rxvt_term::pty_cb (io_watcher &w, short revents)
765 {
766 int n;
767 unsigned int count;
768
769 if (count = (cmdbuf_endp - cmdbuf_ptr))
770 {
771 memmove (cmdbuf_base, cmdbuf_ptr, count);
772 cmdbuf_ptr = cmdbuf_base;
773 cmdbuf_endp = cmdbuf_ptr + count;
774 }
775
776
777 for (count = BUFSIZ - count; count; count -= n, cmdbuf_endp += n)
778 if ((n = read(cmd_fd, cmdbuf_endp, count)) > 0)
779 continue;
780 else if (n == 0 || (n < 0 && errno == EAGAIN))
781 break;
782 else
783 {
784 rxvt_clean_exit();
785 exit(EXIT_FAILURE); /* bad order of events? */
786 }
787
788 if (count != BUFSIZ) /* some characters read in */
789 {
790 uint32_t c = next_char (this);
791
792 #if 0
793 if (c != NOCHAR)
794 return c;
795 #endif
796 }
797 }
798
799 /* rxvt_cmd_getc() - Return next input character */
800 /*
801 * Return the next input character after first passing any keyboard input
802 * to the command.
803 */
804 /* INTPROTO */
805 uint32_t
806 rxvt_cmd_getc(pR)
807 {
808 #define TIMEOUT_USEC 5000
809 fd_set readfds;
810 int quick_timeout, select_res;
811 int want_motion_time, want_keypress_time;
812 struct timeval value;
813 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
814 struct timeval tp;
815 #endif
816
817 uint32_t c = next_char (aR);
818 if (c != NOCHAR)
819 return c;
820
821 for (;;) {
822 /* loop until we can return something */
823
824 if (R->v_bufstr < R->v_bufptr) /* output any pending chars */
825 rxvt_tt_write(aR_ NULL, 0);
826
827 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
828 tp.tv_sec = 0; /* presume == 0 implies time not yet retrieved */
829 #endif
830 #if defined(CURSOR_BLINK)
831 want_keypress_time = 0;
832 #endif
833 #if defined(POINTER_BLANK)
834 want_motion_time = 0;
835 #endif
836
837 if (XPending (R->Xdisplay))
838 {
839 R->process_x_events ();
840
841 /* in case button actions pushed chars to cmdbuf */
842 if (R->cmdbuf_ptr < R->cmdbuf_endp)
843 return *R->cmdbuf_ptr++;
844 }
845
846 #if defined(CURSOR_BLINK)
847 if (want_keypress_time) {
848 (void)gettimeofday(&tp, NULL);
849 R->lastcursorchange.tv_sec = tp.tv_sec;
850 R->lastcursorchange.tv_usec = tp.tv_usec;
851 }
852 #endif
853 #if defined(POINTER_BLANK)
854 if (want_motion_time) {
855 if (!tp.tv_sec)
856 (void)gettimeofday(&tp, NULL);
857 R->lastmotion.tv_sec = tp.tv_sec;
858 R->lastmotion.tv_usec = tp.tv_usec;
859 }
860 #endif
861
862 /*
863 * the command input buffer is empty and we have no pending X events
864 */
865 quick_timeout = 0;
866
867 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
868 if (R->mouse_slip_wheel_speed) {
869 quick_timeout = 1;
870 if (!R->mouse_slip_wheel_delay--
871 && rxvt_scr_page(aR_ R->mouse_slip_wheel_speed > 0 ? UP : DN,
872 abs(R->mouse_slip_wheel_speed))) {
873 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
874 R->refresh_type |= SMOOTH_REFRESH;
875 R->want_refresh = 1;
876 }
877 }
878 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
879 #ifdef SELECTION_SCROLLING
880 if (R->pending_scroll_selection) {
881 quick_timeout = 1;
882 if (!R->scroll_selection_delay--
883 && rxvt_scr_page(aR_ R->scroll_selection_dir,
884 R->scroll_selection_lines)) {
885 rxvt_selection_extend(aR_ R->selection_save_x,
886 R->selection_save_y, R->selection_save_state);
887 R->scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
888 R->refresh_type |= SMOOTH_REFRESH;
889 R->want_refresh = 1;
890 }
891 }
892 #endif
893 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
894 if (scrollbar_isUp() || scrollbar_isDn()) {
895 quick_timeout = 1;
896 if (!R->scroll_arrow_delay--
897 && rxvt_scr_page(aR_ scrollbar_isUp() ? UP : DN, 1)) {
898 R->scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
899 R->refresh_type |= SMOOTH_REFRESH;
900 R->want_refresh = 1;
901 }
902 }
903 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
904
905 FD_ZERO(&readfds);
906 FD_SET(R->cmd_fd, &readfds);
907 FD_SET(R->Xfd, &readfds);
908 value.tv_usec = TIMEOUT_USEC;
909 value.tv_sec = 0;
910
911 if (!R->TermWin.mapped)
912 quick_timeout = 0;
913 else {
914 quick_timeout |= R->want_refresh;
915 #ifdef TRANSPARENT
916 quick_timeout |= R->want_full_refresh;
917 #endif
918 }
919
920 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
921 {
922 int set_quick_timeout = 0;
923 long csdiff, psdiff;
924
925 #define BLINK_TIME 500000L
926 csdiff = psdiff = 60000000L; /* or, say, LONG_MAX */
927 # if defined(CURSOR_BLINK)
928 if (R->Options & Opt_cursorBlink) {
929 if (!tp.tv_sec) /* didn't get it before so get it now */
930 (void)gettimeofday(&tp, NULL);
931
932 csdiff = (tp.tv_sec - R->lastcursorchange.tv_sec) * 1000000L
933 + tp.tv_usec - R->lastcursorchange.tv_usec;
934 if (csdiff > BLINK_TIME) { /* XXX: settable blink times */
935 R->lastcursorchange.tv_sec = tp.tv_sec;
936 R->lastcursorchange.tv_usec = tp.tv_usec;
937 R->hidden_cursor = !R->hidden_cursor;
938 csdiff = 0;
939 } else
940 csdiff = BLINK_TIME - csdiff;
941 set_quick_timeout = 1;
942 }
943 # endif
944 # if defined(POINTER_BLANK)
945 /*
946 * If we haven't moved the pointer for a while
947 */
948 if ((R->Options & Opt_pointerBlank)
949 && (R->pointerBlankDelay > 0)
950 && (R->hidden_pointer == 0)) {
951 long pdelay;
952
953 if (!tp.tv_sec) /* didn't get it before so get it now */
954 (void)gettimeofday(&tp, NULL);
955 psdiff = (tp.tv_sec - R->lastmotion.tv_sec) * 1000000L
956 + tp.tv_usec - R->lastmotion.tv_usec;
957 pdelay = R->pointerBlankDelay * 1000000L;
958 if (psdiff >= pdelay)
959 rxvt_pointer_blank(aR);
960 else {
961 set_quick_timeout = 1;
962 psdiff = pdelay - psdiff;
963 }
964 }
965 # endif
966 if (!quick_timeout && set_quick_timeout) {
967 MIN_IT(csdiff, psdiff);
968 value.tv_sec = csdiff / 1000000L;
969 value.tv_usec = csdiff % 1000000L;
970 quick_timeout = 1;
971 }
972 }
973 #endif
974
975 if ((select_res = select(R->num_fds, &readfds, NULL, NULL,
976 (quick_timeout ? &value : NULL))) == 0) {
977 /* select statement timed out - we're not hard and fast scrolling */
978 R->refresh_limit = 1;
979 }
980 #if defined(CURSOR_BLINK)
981 if (R->Options & Opt_cursorBlink)
982 R->want_refresh = 1;
983 #endif
984
985 /* See if we can read new data from the application */
986 if (select_res > 0 && FD_ISSET(R->cmd_fd, &readfds)) {
987 int n;
988 unsigned int count;
989
990 R->cmdbuf_ptr = R->cmdbuf_endp = R->cmdbuf_base;
991 for (count = BUFSIZ; count; count -= n, R->cmdbuf_endp += n)
992 if ((n = read(R->cmd_fd, R->cmdbuf_endp, count)) > 0)
993 continue;
994 else if (n == 0 || (n < 0 && errno == EAGAIN))
995 break;
996 else {
997 rxvt_clean_exit();
998 exit(EXIT_FAILURE); /* bad order of events? */
999 }
1000
1001 if (count != BUFSIZ) /* some characters read in */
1002 {
1003 uint32_t c = next_char (aR);
1004 if (c != NOCHAR)
1005 return c;
1006 }
1007 }
1008 #ifdef TRANSPARENT
1009 if (R->want_full_refresh) {
1010 R->want_full_refresh = 0;
1011 rxvt_scr_clear(aR);
1012 rxvt_scr_touch(aR_ False);
1013 R->want_refresh = 1;
1014 }
1015 #endif
1016 if (R->want_refresh) {
1017 rxvt_scr_refresh(aR_ R->refresh_type);
1018 rxvt_scrollbar_show(aR_ 1);
1019 #ifdef USE_XIM
1020 rxvt_IMSendSpot(aR);
1021 #endif
1022 }
1023 }
1024 /* NOTREACHED */
1025 }
1026 /*}}} */
1027
1028 /* EXTPROTO */
1029 void
1030 rxvt_pointer_unblank(pR)
1031 {
1032 XDefineCursor(R->Xdisplay, R->TermWin.vt, R->TermWin_cursor);
1033 rxvt_recolour_cursor(aR);
1034 #ifdef POINTER_BLANK
1035 R->hidden_pointer = 0;
1036 if (R->pointerBlankDelay > 0) {
1037 struct timeval tp;
1038
1039 (void)gettimeofday(&tp, NULL);
1040 R->lastmotion.tv_sec = tp.tv_sec;
1041 R->lastmotion.tv_usec = tp.tv_usec;
1042 }
1043 #endif
1044 }
1045
1046 #ifdef POINTER_BLANK
1047 /* INTPROTO */
1048 void
1049 rxvt_pointer_blank(pR)
1050 {
1051 XDefineCursor(R->Xdisplay, R->TermWin.vt, R->pointer_blank);
1052 XFlush(R->Xdisplay);
1053 R->hidden_pointer = 1;
1054 }
1055 #endif
1056
1057 /* INTPROTO */
1058 void
1059 rxvt_mouse_report(pR_ const XButtonEvent *ev)
1060 {
1061 int button_number, key_state = 0;
1062 int x, y;
1063
1064 x = ev->x;
1065 y = ev->y;
1066 rxvt_pixel_position(aR_ &x, &y);
1067
1068 if (R->MEvent.button == AnyButton) {
1069 button_number = 3;
1070 } else {
1071 button_number = R->MEvent.button - Button1;
1072 /* add 0x3D for wheel events, like xterm does */
1073 if (button_number >= 3)
1074 button_number += (64 - 3);
1075 }
1076
1077 if (R->PrivateModes & PrivMode_MouseX10) {
1078 /*
1079 * do not report ButtonRelease
1080 * no state info allowed
1081 */
1082 key_state = 0;
1083 if (button_number == 3)
1084 return;
1085 } else {
1086 /* XTerm mouse reporting needs these values:
1087 * 4 = Shift
1088 * 8 = Meta
1089 * 16 = Control
1090 * plus will add in our own Double-Click reporting
1091 * 32 = Double Click
1092 */
1093 key_state = ((R->MEvent.state & ShiftMask) ? 4 : 0)
1094 + ((R->MEvent.state & R->ModMetaMask) ? 8 : 0)
1095 + ((R->MEvent.state & ControlMask) ? 16 : 0);
1096 #ifdef MOUSE_REPORT_DOUBLECLICK
1097 key_state += ((R->MEvent.clicks > 1) ? 32 : 0);
1098 #endif
1099 }
1100
1101 #ifdef DEBUG_MOUSEREPORT
1102 fprintf(stderr, "Mouse [");
1103 if (key_state & 16)
1104 fputc('C', stderr);
1105 if (key_state & 4)
1106 fputc('S', stderr);
1107 if (key_state & 8)
1108 fputc('A', stderr);
1109 if (key_state & 32)
1110 fputc('2', stderr);
1111 fprintf(stderr, "]: <%d>, %d/%d\n",
1112 button_number,
1113 x + 1,
1114 y + 1);
1115 #else
1116 rxvt_tt_printf(aR_ "\033[M%c%c%c",
1117 (32 + button_number + key_state),
1118 (32 + x + 1),
1119 (32 + y + 1));
1120 #endif
1121 }
1122
1123 #ifdef USING_W11LIB
1124 /* EXTPROTO */
1125 void
1126 rxvt_W11_process_x_event(XEvent *ev)
1127 {
1128 rxvt_t *r = rxvt_get_r();
1129
1130 rxvt_process_x_event(aR_ ev);
1131 }
1132 #endif
1133
1134 /*{{{ process an X event */
1135 /* INTPROTO */
1136 void
1137 rxvt_process_x_event(pR_ XEvent *ev)
1138 {
1139 int i, want_timeout;
1140 Window unused_root, unused_child;
1141 int unused_root_x, unused_root_y;
1142 unsigned int unused_mask;
1143 struct timeval tp;
1144
1145 #ifdef DEBUG_X
1146 const char *const eventnames[] =
1147 { /* mason - this matches my system */
1148 "",
1149 "",
1150 "KeyPress",
1151 "KeyRelease",
1152 "ButtonPress",
1153 "ButtonRelease",
1154 "MotionNotify",
1155 "EnterNotify",
1156 "LeaveNotify",
1157 "FocusIn",
1158 "FocusOut",
1159 "KeymapNotify",
1160 "Expose",
1161 "GraphicsExpose",
1162 "NoExpose",
1163 "VisibilityNotify",
1164 "CreateNotify",
1165 "DestroyNotify",
1166 "UnmapNotify",
1167 "MapNotify",
1168 "MapRequest",
1169 "ReparentNotify",
1170 "ConfigureNotify",
1171 "ConfigureRequest",
1172 "GravityNotify",
1173 "ResizeRequest",
1174 "CirculateNotify",
1175 "CirculateRequest",
1176 "PropertyNotify",
1177 "SelectionClear",
1178 "SelectionRequest",
1179 "SelectionNotify",
1180 "ColormapNotify",
1181 "ClientMessage",
1182 "MappingNotify"
1183 };
1184 struct tm *ltt;
1185 #endif
1186
1187 /*
1188 * check if we need to get the time for any timeouts
1189 */
1190
1191 for (i = NUM_TIMEOUTS; i--; )
1192 if (R->timeout[i].tv_sec) {
1193 want_timeout = 1;
1194 break;
1195 }
1196
1197 #ifndef DEBUG_X
1198 if (want_timeout)
1199 #endif
1200 (void)gettimeofday(&tp, NULL);
1201
1202 #ifdef DEBUG_X
1203 ltt = localtime(&(tp.tv_sec));
1204 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));
1205 #endif
1206
1207 /* X event timeouts */
1208 if (want_timeout)
1209 for (i = NUM_TIMEOUTS; i--; ) {
1210 if (R->timeout[i].tv_sec == 0)
1211 continue;
1212 if ((tp.tv_sec < R->timeout[i].tv_sec)
1213 || (tp.tv_sec == R->timeout[i].tv_sec
1214 && tp.tv_usec < R->timeout[i].tv_usec))
1215 continue;
1216 R->timeout[i].tv_sec = 0;
1217 switch(i) {
1218 case TIMEOUT_INCR:
1219 rxvt_print_error("data loss: timeout on INCR selection paste");
1220 R->selection_wait = Sel_none;
1221 break;
1222 default:
1223 break;
1224 }
1225 }
1226
1227 switch (ev->type) {
1228 case KeyPress:
1229 rxvt_lookup_key(aR_ (XKeyEvent *)ev);
1230 break;
1231
1232 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1233 case KeyRelease:
1234 {
1235 if (!(ev->xkey.state & ControlMask))
1236 R->mouse_slip_wheel_speed = 0;
1237 else {
1238 KeySym ks;
1239
1240 ks = XKeycodeToKeysym(R->Xdisplay, ev->xkey.keycode, 0);
1241 if (ks == XK_Control_L || ks == XK_Control_R)
1242 R->mouse_slip_wheel_speed = 0;
1243 }
1244 break;
1245 }
1246 #endif
1247
1248 case ButtonPress:
1249 rxvt_button_press(aR_ (XButtonEvent *)ev);
1250 break;
1251
1252 case ButtonRelease:
1253 rxvt_button_release(aR_ (XButtonEvent *)ev);
1254 break;
1255
1256 case ClientMessage:
1257 if (ev->xclient.format == 32
1258 && (Atom)ev->xclient.data.l[0] == R->xa[XA_WMDELETEWINDOW])
1259 exit(EXIT_SUCCESS);
1260 #ifdef OFFIX_DND
1261 /* OffiX Dnd (drag 'n' drop) protocol */
1262 if (ev->xclient.message_type == R->xa[XA_DNDPROTOCOL]
1263 && (ev->xclient.data.l[0] == DndFile
1264 || ev->xclient.data.l[0] == DndDir
1265 || ev->xclient.data.l[0] == DndLink)) {
1266 /* Get Dnd data */
1267 Atom ActualType;
1268 int ActualFormat;
1269 unsigned char *data;
1270 unsigned long Size, RemainingBytes;
1271
1272 XGetWindowProperty(R->Xdisplay, Xroot,
1273 R->xa[XA_DNDSELECTION],
1274 0L, 1000000L,
1275 False, AnyPropertyType,
1276 &ActualType, &ActualFormat,
1277 &Size, &RemainingBytes,
1278 &data);
1279 XChangeProperty(R->Xdisplay, Xroot,
1280 XA_CUT_BUFFER0, XA_STRING,
1281 8, PropModeReplace,
1282 data, STRLEN(data));
1283 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, True);
1284 XSetInputFocus(R->Xdisplay, Xroot, RevertToNone, CurrentTime);
1285 }
1286 #endif /* OFFIX_DND */
1287 break;
1288
1289 case MappingNotify:
1290 XRefreshKeyboardMapping(&(ev->xmapping));
1291 break;
1292
1293 /*
1294 * XXX: this is not the _current_ arrangement
1295 * Here's my conclusion:
1296 * If the window is completely unobscured, use bitblt's
1297 * to scroll. Even then, they're only used when doing partial
1298 * screen scrolling. When partially obscured, we have to fill
1299 * in the GraphicsExpose parts, which means that after each refresh,
1300 * we need to wait for the graphics expose or Noexpose events,
1301 * which ought to make things real slow!
1302 */
1303 case VisibilityNotify:
1304 switch (ev->xvisibility.state) {
1305 case VisibilityUnobscured:
1306 R->refresh_type = FAST_REFRESH;
1307 break;
1308 case VisibilityPartiallyObscured:
1309 R->refresh_type = SLOW_REFRESH;
1310 break;
1311 default:
1312 R->refresh_type = NO_REFRESH;
1313 break;
1314 }
1315 break;
1316
1317 case FocusIn:
1318 if (!R->TermWin.focus) {
1319 R->TermWin.focus = 1;
1320 R->want_refresh = 1;
1321 #ifdef USE_XIM
1322 if (R->Input_Context != NULL)
1323 XSetICFocus(R->Input_Context);
1324 #endif
1325 }
1326 break;
1327
1328 case FocusOut:
1329 if (R->TermWin.focus) {
1330 R->TermWin.focus = 0;
1331 R->want_refresh = 1;
1332 #ifdef USE_XIM
1333 if (R->Input_Context != NULL)
1334 XUnsetICFocus(R->Input_Context);
1335 #endif
1336 }
1337 break;
1338
1339 case ConfigureNotify:
1340 if (ev->xconfigure.window == R->TermWin.parent[0]) {
1341 int height, width;
1342
1343 do { /* Wrap lots of configures into one */
1344 width = ev->xconfigure.width;
1345 height = ev->xconfigure.height;
1346 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1347 } while (XCheckTypedWindowEvent(R->Xdisplay, ev->xconfigure.window,
1348 ConfigureNotify, ev));
1349 if (R->szHint.width != width || R->szHint.height != height) {
1350 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", R->szHint.width, R->szHint.height));
1351 rxvt_resize_all_windows(aR_ (unsigned int)width,
1352 (unsigned int)height, 1);
1353 }
1354 #ifdef DEBUG_SIZE
1355 else {
1356 D_SIZE((stderr, "Size: Not resizing"));
1357 }
1358 #endif
1359 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1360 if (R->Options & Opt_transparent) {
1361 rxvt_check_our_parents(aR);
1362 if (R->am_transparent)
1363 R->want_full_refresh = 1;
1364 }
1365 #endif
1366 }
1367 break;
1368
1369 case SelectionClear:
1370 rxvt_selection_clear(aR);
1371 break;
1372
1373 case SelectionNotify:
1374 if (R->selection_wait == Sel_normal)
1375 rxvt_selection_paste(aR_ ev->xselection.requestor,
1376 ev->xselection.property, True);
1377 break;
1378
1379 case SelectionRequest:
1380 rxvt_selection_send(aR_ &(ev->xselectionrequest));
1381 break;
1382
1383 case UnmapNotify:
1384 R->TermWin.mapped = 0;
1385 break;
1386
1387 case MapNotify:
1388 R->TermWin.mapped = 1;
1389 break;
1390
1391 case PropertyNotify:
1392 if (ev->xproperty.atom == R->xa[XA_VT_SELECTION]) {
1393 if (ev->xproperty.state == PropertyNewValue)
1394 rxvt_selection_property(aR_ ev->xproperty.window,
1395 ev->xproperty.atom);
1396 break;
1397 }
1398 #ifdef TRANSPARENT
1399 /*
1400 * if user used some Esetroot compatible prog to set the root bg,
1401 * use the property to determine the pixmap. We use it later on.
1402 */
1403 if (R->xa[XA_XROOTPMAPID] == 0)
1404 R->xa[XA_XROOTPMAPID] = XInternAtom(R->Xdisplay,
1405 "_XROOTPMAP_ID", False);
1406 if (ev->xproperty.atom != R->xa[XA_XROOTPMAPID])
1407 break;
1408 /* FALLTHROUGH */
1409 case ReparentNotify:
1410 if ((R->Options & Opt_transparent) && rxvt_check_our_parents(aR)) {
1411 if (R->am_transparent)
1412 R->want_full_refresh = 1;
1413 }
1414 #endif /* TRANSPARENT */
1415 break;
1416
1417 case GraphicsExpose:
1418 case Expose:
1419 if (ev->xany.window == R->TermWin.vt) {
1420 #ifdef NO_SLOW_LINK_SUPPORT
1421 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1422 ev->xexpose.width, ev->xexpose.height, False);
1423 #else
1424 // don't understand this, so commented it out
1425 rxvt_scr_expose(aR_ ev->xexpose.x, ev->xexpose.y,
1426 ev->xexpose.width, ev->xexpose.height, False);
1427 //rxvt_scr_expose(aR_ ev->xexpose.x, 0,
1428 // ev->xexpose.width, R->TermWin.height, False);
1429 #endif
1430 R->want_refresh = 1;
1431 } else {
1432 XEvent unused_xevent;
1433
1434 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1435 Expose,
1436 &unused_xevent)) ;
1437 while (XCheckTypedWindowEvent(R->Xdisplay, ev->xany.window,
1438 GraphicsExpose,
1439 &unused_xevent)) ;
1440 if (isScrollbarWindow(ev->xany.window)) {
1441 scrollbar_setIdle();
1442 rxvt_scrollbar_show(aR_ 0);
1443 }
1444 #ifdef MENUBAR
1445 if (menubar_visible(aR) && isMenuBarWindow(ev->xany.window))
1446 rxvt_menubar_expose(aR);
1447 #endif
1448 #ifdef RXVT_GRAPHICS
1449 rxvt_Gr_expose(aR_ ev->xany.window);
1450 #endif
1451 }
1452 break;
1453
1454 case MotionNotify:
1455 #ifdef POINTER_BLANK
1456 if (R->hidden_pointer)
1457 rxvt_pointer_unblank(aR);
1458 #endif
1459 #if MENUBAR
1460 if (isMenuBarWindow(ev->xany.window)) {
1461 rxvt_menubar_control(aR_ &(ev->xbutton));
1462 break;
1463 }
1464 #endif
1465 if ((R->PrivateModes & PrivMode_mouse_report) && !(R->bypass_keystate))
1466 break;
1467
1468 if (ev->xany.window == R->TermWin.vt) {
1469 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1470 while (XCheckTypedWindowEvent(R->Xdisplay, R->TermWin.vt,
1471 MotionNotify, ev)) ;
1472 XQueryPointer(R->Xdisplay, R->TermWin.vt,
1473 &unused_root, &unused_child,
1474 &unused_root_x, &unused_root_y,
1475 &(ev->xbutton.x), &(ev->xbutton.y),
1476 &unused_mask);
1477 #ifdef MOUSE_THRESHOLD
1478 /* deal with a `jumpy' mouse */
1479 if ((ev->xmotion.time - R->MEvent.time) > MOUSE_THRESHOLD) {
1480 #endif
1481 rxvt_selection_extend(aR_ (ev->xbutton.x), (ev->xbutton.y),
1482 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1483 #ifdef SELECTION_SCROLLING
1484 if (ev->xbutton.y<R->TermWin.int_bwidth ||
1485 Pixel2Row(ev->xbutton.y)>(R->TermWin.nrow-1)) {
1486 int dist;
1487
1488 R->pending_scroll_selection=1;
1489
1490 /* don't clobber the current delay if we are
1491 * already in the middle of scrolling.
1492 */
1493 if (R->scroll_selection_delay<=0)
1494 R->scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1495
1496 /* save the event params so we can highlight
1497 * the selection in the pending-scroll loop
1498 */
1499 R->selection_save_x=ev->xbutton.x;
1500 R->selection_save_y=ev->xbutton.y;
1501 R->selection_save_state=
1502 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1503
1504 /* calc number of lines to scroll */
1505 if (ev->xbutton.y<R->TermWin.int_bwidth) {
1506 R->scroll_selection_dir = UP;
1507 dist = R->TermWin.int_bwidth - ev->xbutton.y;
1508 }
1509 else {
1510 R->scroll_selection_dir = DN;
1511 dist = ev->xbutton.y -
1512 (R->TermWin.int_bwidth + R->TermWin.height);
1513 }
1514 R->scroll_selection_lines=(Pixel2Height(dist)/
1515 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1516 MIN_IT(R->scroll_selection_lines,
1517 SELECTION_SCROLL_MAX_LINES);
1518 }
1519 else {
1520 /* we are within the text window, so we
1521 * shouldn't be scrolling
1522 */
1523 R->pending_scroll_selection = 0;
1524 }
1525 #endif
1526 #ifdef MOUSE_THRESHOLD
1527 }
1528 #endif
1529 }
1530 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1531 while (XCheckTypedWindowEvent(R->Xdisplay, R->scrollBar.win,
1532 MotionNotify, ev)) ;
1533 XQueryPointer(R->Xdisplay, R->scrollBar.win,
1534 &unused_root, &unused_child,
1535 &unused_root_x, &unused_root_y,
1536 &(ev->xbutton.x), &(ev->xbutton.y),
1537 &unused_mask);
1538 rxvt_scr_move_to(aR_ scrollbar_position(ev->xbutton.y) - R->csrO,
1539 scrollbar_size());
1540 rxvt_scr_refresh(aR_ R->refresh_type);
1541 R->refresh_limit = 0;
1542 rxvt_scrollbar_show(aR_ 1);
1543 }
1544 break;
1545 }
1546 }
1547
1548 /* INTPROTO */
1549 void
1550 rxvt_button_press(pR_ XButtonEvent *ev)
1551 {
1552 int reportmode = 0, clickintime;
1553
1554 R->bypass_keystate = ev->state & (R->ModMetaMask | ShiftMask);
1555 if (!R->bypass_keystate)
1556 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1557 /*
1558 * VT window processing of button press
1559 */
1560 if (ev->window == R->TermWin.vt)
1561 {
1562 #if RXVT_GRAPHICS
1563 if (ev->subwindow != None)
1564 rxvt_Gr_ButtonPress(ev->x, ev->y);
1565 else
1566 #endif
1567 {
1568 clickintime = ev->time - R->MEvent.time < MULTICLICK_TIME;
1569 if (reportmode)
1570 {
1571 /* mouse report from vt window */
1572 /* save the xbutton state (for ButtonRelease) */
1573 R->MEvent.state = ev->state;
1574 #ifdef MOUSE_REPORT_DOUBLECLICK
1575 if (ev->button == R->MEvent.button && clickintime)
1576 {
1577 /* same button, within alloted time */
1578 R->MEvent.clicks++;
1579 if (R->MEvent.clicks > 1)
1580 {
1581 /* only report double clicks */
1582 R->MEvent.clicks = 2;
1583 rxvt_mouse_report(aR_ ev);
1584
1585 /* don't report the release */
1586 R->MEvent.clicks = 0;
1587 R->MEvent.button = AnyButton;
1588 }
1589 }
1590 else
1591 {
1592 /* different button, or time expired */
1593 R->MEvent.clicks = 1;
1594 R->MEvent.button = ev->button;
1595 rxvt_mouse_report(aR_ ev);
1596 }
1597 #else
1598 R->MEvent.button = ev->button;
1599 rxvt_mouse_report(aR_ ev);
1600 #endif /* MOUSE_REPORT_DOUBLECLICK */
1601 }
1602 else
1603 {
1604 if (ev->button != R->MEvent.button)
1605 R->MEvent.clicks = 0;
1606 switch (ev->button)
1607 {
1608 case Button1:
1609 if (R->MEvent.button == Button1 && clickintime)
1610 R->MEvent.clicks++;
1611 else
1612 R->MEvent.clicks = 1;
1613 rxvt_selection_click(aR_ R->MEvent.clicks, ev->x, ev->y);
1614 R->MEvent.button = Button1;
1615 break;
1616
1617 case Button3:
1618 if (R->MEvent.button == Button3 && clickintime)
1619 rxvt_selection_rotate(aR_ ev->x, ev->y);
1620 else
1621 rxvt_selection_extend(aR_ ev->x, ev->y, 1);
1622 R->MEvent.button = Button3;
1623 break;
1624 }
1625 }
1626 R->MEvent.time = ev->time;
1627 return;
1628 }
1629 }
1630
1631 /*
1632 * Scrollbar window processing of button press
1633 */
1634 if (isScrollbarWindow(ev->window))
1635 {
1636 scrollbar_setIdle();
1637 /*
1638 * Rxvt-style scrollbar:
1639 * move up if mouse is above slider
1640 * move dn if mouse is below slider
1641 *
1642 * XTerm-style scrollbar:
1643 * Move display proportional to pointer location
1644 * pointer near top -> scroll one line
1645 * pointer near bot -> scroll full page
1646 */
1647 #ifndef NO_SCROLLBAR_REPORT
1648 if (reportmode) {
1649 /*
1650 * Mouse report disabled scrollbar:
1651 * arrow buttons - send up/down
1652 * click on scrollbar - send pageup/down
1653 */
1654 if ((R->scrollBar.style == R_SB_NEXT
1655 && scrollbarnext_upButton(ev->y))
1656 || (R->scrollBar.style == R_SB_RXVT
1657 && scrollbarrxvt_upButton(ev->y)))
1658 rxvt_tt_printf(aR_ "\033[A");
1659 else if ((R->scrollBar.style == R_SB_NEXT
1660 && scrollbarnext_dnButton(ev->y))
1661 || (R->scrollBar.style == R_SB_RXVT
1662 && scrollbarrxvt_dnButton(ev->y)))
1663 rxvt_tt_printf(aR_ "\033[B");
1664 else
1665 switch (ev->button) {
1666 case Button2:
1667 rxvt_tt_printf(aR_ "\014");
1668 break;
1669 case Button1:
1670 rxvt_tt_printf(aR_ "\033[6~");
1671 break;
1672 case Button3:
1673 rxvt_tt_printf(aR_ "\033[5~");
1674 break;
1675 }
1676 }
1677 else
1678 #endif /* NO_SCROLLBAR_REPORT */
1679 {
1680 char upordown = 0;
1681
1682 if (R->scrollBar.style == R_SB_NEXT) {
1683 if (scrollbarnext_upButton(ev->y))
1684 upordown = -1; /* up */
1685 else if (scrollbarnext_dnButton(ev->y))
1686 upordown = 1; /* down */
1687 } else if (R->scrollBar.style == R_SB_RXVT) {
1688 if (scrollbarrxvt_upButton(ev->y))
1689 upordown = -1; /* up */
1690 else if (scrollbarrxvt_dnButton(ev->y))
1691 upordown = 1; /* down */
1692 }
1693 if (upordown) {
1694 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1695 R->scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1696 #endif
1697 if (rxvt_scr_page(aR_ upordown < 0 ? UP : DN, 1)) {
1698 if (upordown < 0)
1699 scrollbar_setUp();
1700 else
1701 scrollbar_setDn();
1702 }
1703 } else
1704 switch (ev->button) {
1705 case Button2:
1706 switch (R->scrollbar_align) {
1707 case R_SB_ALIGN_TOP:
1708 R->csrO = 0;
1709 break;
1710 case R_SB_ALIGN_CENTRE:
1711 R->csrO = (R->scrollBar.bot - R->scrollBar.top) / 2;
1712 break;
1713 case R_SB_ALIGN_BOTTOM:
1714 R->csrO = R->scrollBar.bot - R->scrollBar.top;
1715 break;
1716 }
1717 if (R->scrollBar.style == R_SB_XTERM
1718 || scrollbar_above_slider(ev->y)
1719 || scrollbar_below_slider(ev->y))
1720 rxvt_scr_move_to(aR_
1721 scrollbar_position(ev->y) - R->csrO,
1722 scrollbar_size());
1723 scrollbar_setMotion();
1724 break;
1725
1726 case Button1:
1727 if (R->scrollbar_align == R_SB_ALIGN_CENTRE)
1728 R->csrO = ev->y - R->scrollBar.top;
1729 /* FALLTHROUGH */
1730
1731 case Button3:
1732 if (R->scrollBar.style != R_SB_XTERM) {
1733 if (scrollbar_above_slider(ev->y))
1734 # ifdef RXVT_SCROLL_FULL
1735 rxvt_scr_page(aR_ UP, R->TermWin.nrow - 1);
1736 # else
1737 rxvt_scr_page(aR_ UP, R->TermWin.nrow / 4);
1738 # endif
1739 else if (scrollbar_below_slider(ev->y))
1740 # ifdef RXVT_SCROLL_FULL
1741 rxvt_scr_page(aR_ DN, R->TermWin.nrow - 1);
1742 # else
1743 rxvt_scr_page(aR_ DN, R->TermWin.nrow / 4);
1744 # endif
1745 else
1746 scrollbar_setMotion();
1747 } else {
1748 rxvt_scr_page(aR_ (ev->button == Button1 ? DN : UP),
1749 (R->TermWin.nrow
1750 * scrollbar_position(ev->y)
1751 / scrollbar_size()));
1752 }
1753 break;
1754 }
1755 }
1756 return;
1757 }
1758 #if MENUBAR
1759 /*
1760 * Menubar window processing of button press
1761 */
1762 if (isMenuBarWindow(ev->window))
1763 rxvt_menubar_control(aR_ ev);
1764 #endif
1765 }
1766
1767 /* INTPROTO */
1768 void
1769 rxvt_button_release(pR_ XButtonEvent *ev)
1770 {
1771 int reportmode = 0;
1772
1773 R->csrO = 0; /* reset csr Offset */
1774 if (!R->bypass_keystate)
1775 reportmode = !!(R->PrivateModes & PrivMode_mouse_report);
1776
1777 if (scrollbar_isUpDn()) {
1778 scrollbar_setIdle();
1779 rxvt_scrollbar_show(aR_ 0);
1780 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1781 R->refresh_type &= ~SMOOTH_REFRESH;
1782 #endif
1783 }
1784 #ifdef SELECTION_SCROLLING
1785 R->pending_scroll_selection=0;
1786 #endif
1787 if (ev->window == R->TermWin.vt)
1788 {
1789 #ifdef RXVT_GRAPHICS
1790 if (ev->subwindow != None)
1791 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1792 else
1793 #endif
1794 {
1795 if (reportmode)
1796 {
1797 /* mouse report from vt window */
1798 /* don't report release of wheel "buttons" */
1799 if (ev->button >= 4)
1800 return;
1801 #ifdef MOUSE_REPORT_DOUBLECLICK
1802 /* only report the release of 'slow' single clicks */
1803 if (R->MEvent.button != AnyButton
1804 && (ev->button != R->MEvent.button
1805 || (ev->time - R->MEvent.time
1806 > MULTICLICK_TIME / 2)))
1807 {
1808 R->MEvent.clicks = 0;
1809 R->MEvent.button = AnyButton;
1810 rxvt_mouse_report(aR_ ev);
1811 }
1812 #else /* MOUSE_REPORT_DOUBLECLICK */
1813 R->MEvent.button = AnyButton;
1814 rxvt_mouse_report(aR_ ev);
1815 #endif /* MOUSE_REPORT_DOUBLECLICK */
1816 return;
1817 }
1818 /*
1819 * dumb hack to compensate for the failure of click-and-drag
1820 * when overriding mouse reporting
1821 */
1822 if (R->PrivateModes & PrivMode_mouse_report
1823 && R->bypass_keystate
1824 && ev->button == Button1 && R->MEvent.clicks <= 1)
1825 rxvt_selection_extend(aR_ ev->x, ev->y, 0);
1826
1827 switch (ev->button) {
1828 case Button1:
1829 case Button3:
1830 rxvt_selection_make(aR_ ev->time);
1831 break;
1832 case Button2:
1833 rxvt_selection_request(aR_ ev->time, ev->x, ev->y);
1834 break;
1835 #ifdef MOUSE_WHEEL
1836 case Button4:
1837 case Button5:
1838 {
1839 int i, v;
1840
1841 v = (ev->button == Button4) ? UP : DN;
1842 if (ev->state & ShiftMask)
1843 i = 1;
1844 else if ((R->Options & Opt_mouseWheelScrollPage))
1845 i = R->TermWin.nrow - 1;
1846 else
1847 i = 5;
1848 # ifdef MOUSE_SLIP_WHEELING
1849 if (ev->state & ControlMask)
1850 {
1851 R->mouse_slip_wheel_speed += (v ? -1 : 1);
1852 R->mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1853 }
1854 # endif
1855 # ifdef JUMP_MOUSE_WHEEL
1856 rxvt_scr_page(aR_ v, i);
1857 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1858 rxvt_scrollbar_show(aR_ 1);
1859 # else
1860 for (; i--;)
1861 {
1862 rxvt_scr_page(aR_ v, 1);
1863 rxvt_scr_refresh(aR_ SMOOTH_REFRESH);
1864 rxvt_scrollbar_show(aR_ 1);
1865 }
1866 # endif
1867 }
1868 break;
1869 #endif
1870 }
1871 }
1872 }
1873 #ifdef MENUBAR
1874 else if (isMenuBarWindow(ev->window))
1875 rxvt_menubar_control(aR_ ev);
1876 #endif
1877 }
1878
1879
1880 #ifdef TRANSPARENT
1881 /*
1882 * Check our parents are still who we think they are.
1883 * Do transparency updates if required
1884 */
1885 /* EXTPROTO */
1886 int
1887 rxvt_check_our_parents(pR)
1888 {
1889 int i, pchanged, aformat, have_pixmap, rootdepth;
1890 unsigned long nitems, bytes_after;
1891 Atom atype;
1892 unsigned char *prop = NULL;
1893 Window root, oldp, *list;
1894 Pixmap rootpixmap = None;
1895 XWindowAttributes wattr, wrootattr;
1896
1897 pchanged = 0;
1898
1899 if (!(R->Options & Opt_transparent))
1900 return pchanged; /* Don't try any more */
1901
1902 XGetWindowAttributes(R->Xdisplay, Xroot, &wrootattr);
1903 rootdepth = wrootattr.depth;
1904
1905 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
1906 if (rootdepth != wattr.depth) {
1907 if (R->am_transparent) {
1908 pchanged = 1;
1909 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1910 R->PixColors[Color_bg]);
1911 R->am_transparent = R->am_pixmap_trans = 0;
1912 }
1913 return pchanged; /* Don't try any more */
1914 }
1915
1916 /* Get all X ops out of the queue so that our information is up-to-date. */
1917 XSync(R->Xdisplay, False);
1918
1919 /*
1920 * Make the frame window set by the window manager have
1921 * the root background. Some window managers put multiple nested frame
1922 * windows for each client, so we have to take care about that.
1923 */
1924 i = (R->xa[XA_XROOTPMAPID] != 0
1925 && (XGetWindowProperty(R->Xdisplay, Xroot, R->xa[XA_XROOTPMAPID],
1926 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1927 &nitems, &bytes_after, &prop) == Success));
1928 if (!i || prop == NULL)
1929 have_pixmap = 0;
1930 else {
1931 have_pixmap = 1;
1932 rootpixmap = *((Pixmap *)prop);
1933 XFree(prop);
1934 }
1935 if (have_pixmap) {
1936 /*
1937 * Copy Xroot pixmap transparency
1938 */
1939 int sx, sy, nx, ny;
1940 unsigned int nw, nh;
1941 Window cr;
1942 XImage *image;
1943 GC gc;
1944 XGCValues gcvalue;
1945
1946 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,
1947 0, 0, &sx, &sy, &cr);
1948 nw = (unsigned int)R->szHint.width;
1949 nh = (unsigned int)R->szHint.height;
1950 nx = ny = 0;
1951 if (sx < 0) {
1952 nw += sx;
1953 nx = -sx;
1954 sx = 0;
1955 }
1956 if (sy < 0) {
1957 nh += sy;
1958 ny = -sy;
1959 sy = 0;
1960 }
1961 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1962 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1963 R->allowedxerror = -1;
1964 image = XGetImage(R->Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1965 ZPixmap);
1966 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1967 /* XXX: may need a delay here? */
1968 R->allowedxerror = 0;
1969 if (image == NULL) {
1970 if (R->am_transparent && R->am_pixmap_trans) {
1971 pchanged = 1;
1972 if (R->TermWin.pixmap != None) {
1973 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1974 R->TermWin.pixmap = None;
1975 }
1976 }
1977 R->am_pixmap_trans = 0;
1978 } else {
1979 if (R->TermWin.pixmap != None)
1980 XFreePixmap(R->Xdisplay, R->TermWin.pixmap);
1981 R->TermWin.pixmap = XCreatePixmap(R->Xdisplay, R->TermWin.vt,
1982 (unsigned int)R->szHint.width,
1983 (unsigned int)R->szHint.height,
1984 (unsigned int)image->depth);
1985 gc = XCreateGC(R->Xdisplay, R->TermWin.vt, 0UL, &gcvalue);
1986 XPutImage(R->Xdisplay, R->TermWin.pixmap, gc, image, 0, 0,
1987 nx, ny, (unsigned int)image->width,
1988 (unsigned int)image->height);
1989 XFreeGC(R->Xdisplay, gc);
1990 XDestroyImage(image);
1991 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
1992 R->TermWin.pixmap);
1993 if (!R->am_transparent || !R->am_pixmap_trans)
1994 pchanged = 1;
1995 R->am_transparent = R->am_pixmap_trans = 1;
1996 }
1997 }
1998 if (!R->am_pixmap_trans) {
1999 unsigned int n;
2000 /*
2001 * InheritPixmap transparency
2002 */
2003 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
2004 for (i = 1; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window));
2005 i++) {
2006 oldp = R->TermWin.parent[i];
2007 XQueryTree(R->Xdisplay, R->TermWin.parent[i - 1], &root,
2008 &R->TermWin.parent[i], &list, &n);
2009 XFree(list);
2010 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, R->TermWin.parent[i]));
2011 if (R->TermWin.parent[i] == Xroot) {
2012 if (oldp != None)
2013 pchanged = 1;
2014 break;
2015 }
2016 if (oldp != R->TermWin.parent[i])
2017 pchanged = 1;
2018 }
2019 n = 0;
2020 if (pchanged) {
2021 for (; n < (unsigned int)i; n++) {
2022 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[n], &wattr);
2023 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2024 if (wattr.depth != rootdepth || wattr.class == InputOnly) {
2025 n = (int)(sizeof(R->TermWin.parent) / sizeof(Window)) + 1;
2026 break;
2027 }
2028 }
2029 }
2030 if (n > (int)(sizeof(R->TermWin.parent)
2031 / sizeof(R->TermWin.parent[0]))) {
2032 D_X((stderr, "InheritPixmap Turning off"));
2033 XSetWindowBackground(R->Xdisplay, R->TermWin.parent[0],
2034 R->PixColors[Color_fg]);
2035 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
2036 R->PixColors[Color_bg]);
2037 R->am_transparent = 0;
2038 /* XXX: also turn off Opt_transparent? */
2039 } else {
2040 /* wait (an arbitrary period) for the WM to do its thing
2041 * needed for fvwm2.2.2 (and before?) */
2042 # ifdef HAVE_NANOSLEEP
2043 struct timespec rqt;
2044
2045 rqt.tv_sec = 1;
2046 rqt.tv_nsec = 0;
2047 nanosleep(&rqt, NULL);
2048 # else
2049 sleep(1);
2050 # endif
2051 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2052 for (n = 0; n < (unsigned int)i; n++)
2053 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.parent[n],
2054 ParentRelative);
2055 XSetWindowBackgroundPixmap(R->Xdisplay, R->TermWin.vt,
2056 ParentRelative);
2057 R->am_transparent = 1;
2058 }
2059 for (; i < (int)(sizeof(R->TermWin.parent) / sizeof(Window)); i++)
2060 R->TermWin.parent[i] = None;
2061 }
2062 return pchanged;
2063 }
2064 #endif
2065
2066 /*}}} */
2067
2068 /*{{{ print pipe */
2069 /*----------------------------------------------------------------------*/
2070 #ifdef PRINTPIPE
2071 /* EXTPROTO */
2072 FILE *
2073 rxvt_popen_printer(pR)
2074 {
2075 FILE *stream = popen(R->rs[Rs_print_pipe], "w");
2076
2077 if (stream == NULL)
2078 rxvt_print_error("can't open printer pipe");
2079 return stream;
2080 }
2081
2082 /* EXTPROTO */
2083 int
2084 rxvt_pclose_printer(FILE *stream)
2085 {
2086 fflush(stream);
2087 /* pclose() reported not to work on SunOS 4.1.3 */
2088 # if defined (__sun__) /* TODO: RESOLVE THIS */
2089 /* pclose works provided SIGCHLD handler uses waitpid */
2090 return pclose(stream); /* return fclose (stream); */
2091 # else
2092 return pclose(stream);
2093 # endif
2094 }
2095
2096 /*
2097 * simulate attached vt100 printer
2098 */
2099 /* INTPROTO */
2100 void
2101 rxvt_process_print_pipe(pR)
2102 {
2103 int done;
2104 FILE *fd;
2105
2106 if ((fd = rxvt_popen_printer(aR)) == NULL)
2107 return;
2108
2109 /*
2110 * Send all input to the printer until either ESC[4i or ESC[?4i
2111 * is received.
2112 */
2113 for (done = 0; !done;) {
2114 unsigned char buf[8];
2115 unsigned char ch;
2116 unsigned int i, len;
2117
2118 if ((ch = rxvt_cmd_getc(aR)) != C0_ESC) {
2119 if (putc(ch, fd) == EOF)
2120 break; /* done = 1 */
2121 } else {
2122 len = 0;
2123 buf[len++] = ch;
2124
2125 if ((buf[len++] = rxvt_cmd_getc(aR)) == '[') {
2126 if ((ch = rxvt_cmd_getc(aR)) == '?') {
2127 buf[len++] = '?';
2128 ch = rxvt_cmd_getc(aR);
2129 }
2130 if ((buf[len++] = ch) == '4') {
2131 if ((buf[len++] = rxvt_cmd_getc(aR)) == 'i')
2132 break; /* done = 1 */
2133 }
2134 }
2135 for (i = 0; i < len; i++)
2136 if (putc(buf[i], fd) == EOF) {
2137 done = 1;
2138 break;
2139 }
2140 }
2141 }
2142 rxvt_pclose_printer(fd);
2143 }
2144 #endif /* PRINTPIPE */
2145 /*}}} */
2146
2147 /* *INDENT-OFF* */
2148 enum {
2149 C1_40 = 0x40,
2150 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2151 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2152 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2153 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2154 };
2155 /* *INDENT-ON* */
2156
2157 /*{{{ process non-printing single characters */
2158 /* INTPROTO */
2159 void
2160 rxvt_process_nonprinting(pR_ unsigned char ch)
2161 {
2162 switch (ch) {
2163 case C0_ENQ: /* terminal Status */
2164 if (R->rs[Rs_answerbackstring])
2165 rxvt_tt_write(aR_
2166 (const unsigned char *)R->rs[Rs_answerbackstring],
2167 (unsigned int)STRLEN(R->rs[Rs_answerbackstring]));
2168 else
2169 rxvt_tt_write(aR_ (unsigned char *)VT100_ANS,
2170 (unsigned int)STRLEN(VT100_ANS));
2171 break;
2172 case C0_BEL: /* bell */
2173 rxvt_scr_bell(aR);
2174 break;
2175 case C0_BS: /* backspace */
2176 rxvt_scr_backspace(aR);
2177 break;
2178 case C0_HT: /* tab */
2179 rxvt_scr_tab(aR_ 1);
2180 break;
2181 case C0_CR: /* carriage return */
2182 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE);
2183 break;
2184 case C0_VT: /* vertical tab, form feed */
2185 case C0_FF:
2186 case C0_LF: /* line feed */
2187 rxvt_scr_index(aR_ UP);
2188 break;
2189 case C0_SO: /* shift out - acs */
2190 rxvt_scr_charset_choose(aR_ 1);
2191 break;
2192 case C0_SI: /* shift in - acs */
2193 rxvt_scr_charset_choose(aR_ 0);
2194 break;
2195 }
2196 }
2197 /*}}} */
2198
2199
2200 /*{{{ process VT52 escape sequences */
2201 /* INTPROTO */
2202 void
2203 rxvt_process_escape_vt52(pR_ unsigned char ch)
2204 {
2205 int row, col;
2206
2207 switch (ch) {
2208 case 'A': /* cursor up */
2209 rxvt_scr_gotorc(aR_ -1, 0, R_RELATIVE | C_RELATIVE);
2210 break;
2211 case 'B': /* cursor down */
2212 rxvt_scr_gotorc(aR_ 1, 0, R_RELATIVE | C_RELATIVE);
2213 break;
2214 case 'C': /* cursor right */
2215 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE);
2216 break;
2217 case 'D': /* cursor left */
2218 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE);
2219 break;
2220 case 'H': /* cursor home */
2221 rxvt_scr_gotorc(aR_ 0, 0, 0);
2222 break;
2223 case 'I': /* cursor up and scroll down if needed */
2224 rxvt_scr_index(aR_ DN);
2225 break;
2226 case 'J': /* erase to end of screen */
2227 rxvt_scr_erase_screen(aR_ 0);
2228 break;
2229 case 'K': /* erase to end of line */
2230 rxvt_scr_erase_line(aR_ 0);
2231 break;
2232 case 'Y': /* move to specified row and col */
2233 /* full command is 'ESC Y row col' where row and col
2234 * are encoded by adding 32 and sending the ascii
2235 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2236 * etc. */
2237 row = rxvt_cmd_getc(aR) - ' ';
2238 col = rxvt_cmd_getc(aR) - ' ';
2239 rxvt_scr_gotorc(aR_ row, col, 0);
2240 break;
2241 case 'Z': /* identify the terminal type */
2242 rxvt_tt_printf(aR_ "\033/Z"); /* I am a VT100 emulating a VT52 */
2243 break;
2244 case '<': /* turn off VT52 mode */
2245 PrivMode(0, PrivMode_vt52);
2246 break;
2247 case 'F': /* use special graphics character set */
2248 case 'G': /* use regular character set */
2249 /* unimplemented */
2250 break;
2251 case '=': /* use alternate keypad mode */
2252 case '>': /* use regular keypad mode */
2253 /* unimplemented */
2254 break;
2255 }
2256 }
2257 /*}}} */
2258
2259
2260 /*{{{ process escape sequences */
2261 /* INTPROTO */
2262 void
2263 rxvt_process_escape_seq(pR)
2264 {
2265 unsigned char ch = rxvt_cmd_getc(aR);
2266
2267 if (R->PrivateModes & PrivMode_vt52) {
2268 rxvt_process_escape_vt52(aR_ ch);
2269 return;
2270 }
2271
2272 switch (ch) {
2273 /* case 1: do_tek_mode (); break; */
2274 case '#':
2275 if (rxvt_cmd_getc(aR) == '8')
2276 rxvt_scr_E(aR);
2277 break;
2278 case '(':
2279 rxvt_scr_charset_set(aR_ 0, (unsigned int)rxvt_cmd_getc(aR));
2280 break;
2281 case ')':
2282 rxvt_scr_charset_set(aR_ 1, (unsigned int)rxvt_cmd_getc(aR));
2283 break;
2284 case '*':
2285 rxvt_scr_charset_set(aR_ 2, (unsigned int)rxvt_cmd_getc(aR));
2286 break;
2287 case '+':
2288 rxvt_scr_charset_set(aR_ 3, (unsigned int)rxvt_cmd_getc(aR));
2289 break;
2290 #ifdef MULTICHAR_SET
2291 case '$':
2292 rxvt_scr_charset_set(aR_ -2, (unsigned int)rxvt_cmd_getc(aR));
2293 break;
2294 #endif
2295 #ifndef NO_FRILLS
2296 case '6':
2297 rxvt_scr_backindex(aR);
2298 break;
2299 #endif
2300 case '7':
2301 rxvt_scr_cursor(aR_ SAVE);
2302 break;
2303 case '8':
2304 rxvt_scr_cursor(aR_ RESTORE);
2305 break;
2306 #ifndef NO_FRILLS
2307 case '9':
2308 rxvt_scr_forwardindex(aR);
2309 break;
2310 #endif
2311 case '=':
2312 case '>':
2313 PrivMode((ch == '='), PrivMode_aplKP);
2314 break;
2315
2316 case C1_40:
2317 rxvt_cmd_getc(aR);
2318 break;
2319 case C1_44:
2320 rxvt_scr_index(aR_ UP);
2321 break;
2322
2323 /* 8.3.87: NEXT LINE */
2324 case C1_NEL: /* ESC E */
2325 {
2326 uint32_t nlcr[] = { '\n', '\r' };
2327 rxvt_scr_add_lines(aR_ nlcr, 1, 2);
2328 }
2329 break;
2330
2331 /* kidnapped escape sequence: Should be 8.3.48 */
2332 case C1_ESA: /* ESC G */
2333 rxvt_process_graphics(aR);
2334 break;
2335
2336 /* 8.3.63: CHARACTER TABULATION SET */
2337 case C1_HTS: /* ESC H */
2338 rxvt_scr_set_tab(aR_ 1);
2339 break;
2340
2341 /* 8.3.105: REVERSE LINE FEED */
2342 case C1_RI: /* ESC M */
2343 rxvt_scr_index(aR_ DN);
2344 break;
2345
2346 /* 8.3.142: SINGLE-SHIFT TWO */
2347 /*case C1_SS2: scr_single_shift (2); break; */
2348
2349 /* 8.3.143: SINGLE-SHIFT THREE */
2350 /*case C1_SS3: scr_single_shift (3); break; */
2351
2352 /* 8.3.27: DEVICE CONTROL STRING */
2353 case C1_DCS: /* ESC P */
2354 rxvt_process_dcs_seq(aR);
2355 break;
2356
2357 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2358 case C1_SCI: /* ESC Z */
2359 rxvt_tt_write(aR_ (const unsigned char *)ESCZ_ANSWER,
2360 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2361 break; /* steal obsolete ESC [ c */
2362
2363 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2364 case C1_CSI: /* ESC [ */
2365 rxvt_process_csi_seq(aR);
2366 break;
2367
2368 /* 8.3.90: OPERATING SYSTEM COMMAND */
2369 case C1_OSC: /* ESC ] */
2370 rxvt_process_osc_seq(aR);
2371 break;
2372
2373 /* 8.3.106: RESET TO INITIAL STATE */
2374 case 'c':
2375 rxvt_scr_poweron(aR);
2376 rxvt_scrollbar_show(aR_ 1);
2377 break;
2378
2379 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2380 case 'n':
2381 rxvt_scr_charset_choose(aR_ 2);
2382 break;
2383
2384 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2385 case 'o':
2386 rxvt_scr_charset_choose(aR_ 3);
2387 break;
2388 }
2389 }
2390 /*}}} */
2391
2392 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2393 /* *INDENT-OFF* */
2394 enum {
2395 CSI_ICH = 0x40,
2396 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2397 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2398 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2399 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2400 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2401 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2402 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2403 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2404 };
2405
2406 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2407 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2408 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2409 #define get_byte_array_bit(array, bit) \
2410 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2411
2412 const unsigned char csi_defaults[] = {
2413 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2414 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2415 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2416 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2417 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2418 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2419 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2420 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2421 };
2422 /* *INDENT-ON* */
2423
2424 /* INTPROTO */
2425 void
2426 rxvt_process_csi_seq(pR)
2427 {
2428 unsigned char ch, priv, i;
2429 unsigned int nargs, p;
2430 int n, ndef;
2431 int arg[ESC_ARGS];
2432
2433 for (nargs = ESC_ARGS; nargs > 0;)
2434 arg[--nargs] = 0;
2435
2436 priv = 0;
2437 ch = rxvt_cmd_getc(aR);
2438 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2439 priv = ch;
2440 ch = rxvt_cmd_getc(aR);
2441 }
2442 /* read any numerical arguments */
2443 for (n = -1; ch < CSI_ICH; ) {
2444 if (isdigit(ch)) {
2445 if (n < 0)
2446 n = ch - '0';
2447 else
2448 n = n * 10 + ch - '0';
2449 } else if (ch == ';') {
2450 if (nargs < ESC_ARGS)
2451 arg[nargs++] = n;
2452 n = -1;
2453 } else if (ch == '\b') {
2454 rxvt_scr_backspace(aR);
2455 } else if (ch == C0_ESC) {
2456 rxvt_process_escape_seq(aR);
2457 return;
2458 } else if (ch < ' ') {
2459 rxvt_process_nonprinting(aR_ ch);
2460 }
2461 ch = rxvt_cmd_getc(aR);
2462 }
2463
2464 if (ch > CSI_7F)
2465 return;
2466
2467 if (nargs < ESC_ARGS)
2468 arg[nargs++] = n;
2469
2470 i = ch - CSI_ICH;
2471 ndef = get_byte_array_bit(csi_defaults, i);
2472 for (p = 0; p < nargs; p++)
2473 if (arg[p] == -1)
2474 arg[p] = ndef;
2475
2476 #ifdef DEBUG_CMD
2477 fprintf(stderr, "CSI ");
2478 for (p = 0; p < nargs; p++)
2479 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2480 fprintf(stderr, "%c\n", ch);
2481 #endif
2482
2483 /*
2484 * private mode handling
2485 */
2486 if (priv) {
2487 switch (priv) {
2488 case '>':
2489 if (ch == CSI_DA) /* secondary device attributes */
2490 rxvt_tt_printf(aR_ "\033[>%d;%-.8s;0c", 'R', VSTRING);
2491 break;
2492 case '?':
2493 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2494 rxvt_process_terminal_mode(aR_ ch, priv, nargs, arg);
2495 break;
2496 }
2497 return;
2498 }
2499
2500 switch (ch) {
2501 /*
2502 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2503 */
2504 #ifdef PRINTPIPE
2505 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2506 switch (arg[0]) {
2507 case 0: /* initiate transfer to primary aux device */
2508 rxvt_scr_printscreen(aR_ 0);
2509 break;
2510 case 5: /* start relay to primary aux device */
2511 rxvt_process_print_pipe(aR);
2512 break;
2513 }
2514 break;
2515 #endif
2516
2517 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2518 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2519 arg[0] = -arg[0];
2520 /* FALLTHROUGH */
2521 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2522 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2523 rxvt_scr_gotorc(aR_ arg[0], 0, RELATIVE);
2524 break;
2525
2526 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2527 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2528 #ifdef ISO6429
2529 arg[0] = -arg[0];
2530 #else /* emulate common DEC VTs */
2531 arg[0] = arg[0] ? -arg[0] : -1;
2532 #endif
2533 /* FALLTHROUGH */
2534 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2535 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2536 #ifdef ISO6429
2537 rxvt_scr_gotorc(aR_ 0, arg[0], RELATIVE);
2538 #else /* emulate common DEC VTs */
2539 rxvt_scr_gotorc(aR_ 0, arg[0] ? arg[0] : 1, RELATIVE);
2540 #endif
2541 break;
2542
2543 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2544 arg[0] = -arg[0];
2545 /* FALLTHROUGH */
2546 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2547 rxvt_scr_gotorc(aR_ arg[0], 0, R_RELATIVE);
2548 break;
2549
2550 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2551 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2552 rxvt_scr_gotorc(aR_ 0, arg[0] - 1, R_RELATIVE);
2553 break;
2554
2555 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2556 rxvt_scr_gotorc(aR_ arg[0] - 1, 0, C_RELATIVE);
2557 break;
2558
2559 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2560 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2561 rxvt_scr_gotorc(aR_ arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2562 break;
2563
2564 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2565 arg[0] = -arg[0];
2566 /* FALLTHROUGH */
2567 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2568 rxvt_scr_tab(aR_ arg[0]);
2569 break;
2570
2571 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2572 rxvt_scr_erase_screen(aR_ arg[0]);
2573 break;
2574
2575 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2576 rxvt_scr_erase_line(aR_ arg[0]);
2577 break;
2578
2579 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2580 rxvt_scr_insdel_chars(aR_ arg[0], INSERT);
2581 break;
2582
2583 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2584 rxvt_scr_insdel_lines(aR_ arg[0], INSERT);
2585 break;
2586
2587 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2588 rxvt_scr_insdel_lines(aR_ arg[0], DELETE);
2589 break;
2590
2591 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2592 rxvt_scr_insdel_chars(aR_ arg[0], ERASE);
2593 break;
2594
2595 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2596 rxvt_scr_insdel_chars(aR_ arg[0], DELETE);
2597 break;
2598
2599 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2600 arg[0] = -arg[0];
2601 /* FALLTHROUGH */
2602 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2603 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, arg[0], 0);
2604 break;
2605
2606 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2607 rxvt_tt_write(aR_ (const unsigned char *)VT100_ANS,
2608 (unsigned int)(sizeof(VT100_ANS) - 1));
2609 break;
2610
2611 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2612 rxvt_process_sgr_mode(aR_ nargs, arg);
2613 break;
2614
2615 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2616 switch (arg[0]) {
2617 case 5: /* DSR requested */
2618 rxvt_tt_printf(aR_ "\033[0n");
2619 break;
2620 case 6: /* CPR requested */
2621 rxvt_scr_report_position(aR);
2622 break;
2623 #if defined (ENABLE_DISPLAY_ANSWER)
2624 case 7: /* unofficial extension */
2625 rxvt_tt_printf(aR_ "%-.250s\n", R->rs[Rs_display_name]);
2626 break;
2627 #endif
2628 case 8: /* unofficial extension */
2629 rxvt_xterm_seq(aR_ XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2630 break;
2631 }
2632 break;
2633
2634 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2635 switch (arg[0]) {
2636 case 0: /* char tab stop cleared at active position */
2637 rxvt_scr_set_tab(aR_ 0);
2638 break;
2639 /* case 1: */ /* line tab stop cleared in active line */
2640 /* case 2: */ /* char tab stops cleared in active line */
2641 case 3: /* all char tab stops are cleared */
2642 /* case 4: */ /* all line tab stops are cleared */
2643 case 5: /* all tab stops are cleared */
2644 rxvt_scr_set_tab(aR_ -1);
2645 break;
2646 }
2647 break;
2648
2649 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2650 switch (arg[0]) {
2651 case 0: /* char tab stop set at active position */
2652 rxvt_scr_set_tab(aR_ 1);
2653 break; /* = ESC H */
2654 /* case 1: */ /* line tab stop set at active line */
2655 case 2: /* char tab stop cleared at active position */
2656 rxvt_scr_set_tab(aR_ 0);
2657 break; /* = ESC [ 0 g */
2658 /* case 3: */ /* line tab stop cleared at active line */
2659 /* case 4: */ /* char tab stops cleared at active line */
2660 case 5: /* all char tab stops are cleared */
2661 rxvt_scr_set_tab(aR_ -1);
2662 break; /* = ESC [ 3 g */
2663 /* case 6: */ /* all line tab stops are cleared */
2664 }
2665 break;
2666
2667 case CSI_RM: /* 8.3.107: RESET MODE */
2668 if (arg[0] == 4)
2669 rxvt_scr_insert_mode(aR_ 0);
2670 break;
2671
2672 case CSI_SM: /* 8.3.126: SET MODE */
2673 if (arg[0] == 4)
2674 rxvt_scr_insert_mode(aR_ 1);
2675 break;
2676
2677 /*
2678 * PRIVATE USE beyond this point. All CSI_7? sequences here
2679 */
2680 case CSI_72: /* DECSTBM: set top and bottom margins */
2681 if (nargs == 1)
2682 rxvt_scr_scroll_region(aR_ arg[0] - 1, MAX_ROWS - 1);
2683 else if (nargs == 0 || arg[0] >= arg[1])
2684 rxvt_scr_scroll_region(aR_ 0, MAX_ROWS - 1);
2685 else
2686 rxvt_scr_scroll_region(aR_ arg[0] - 1, arg[1] - 1);
2687 break;
2688
2689 case CSI_73:
2690 rxvt_scr_cursor(aR_ SAVE);
2691 break;
2692 case CSI_75:
2693 rxvt_scr_cursor(aR_ RESTORE);
2694 break;
2695
2696 #ifndef NO_FRILLS
2697 case CSI_74:
2698 rxvt_process_window_ops(aR_ arg, nargs);
2699 break;
2700 #endif
2701
2702 case CSI_78: /* DECREQTPARM */
2703 if (arg[0] == 0 || arg[0] == 1)
2704 rxvt_tt_printf(aR_ "\033[%d;1;1;112;112;1;0x", arg[0] + 2);
2705 /* FALLTHROUGH */
2706
2707 default:
2708 break;
2709 }
2710 }
2711 /*}}} */
2712
2713 #ifndef NO_FRILLS
2714 /* ARGSUSED */
2715 /* INTPROTO */
2716 void
2717 rxvt_process_window_ops(pR_ const int *args, unsigned int nargs)
2718 {
2719 int x, y;
2720 #if 0
2721 char *s;
2722 #endif
2723 XWindowAttributes wattr;
2724 Window wdummy;
2725
2726 if (nargs == 0)
2727 return;
2728 switch (args[0]) {
2729 /*
2730 * commands
2731 */
2732 case 1: /* deiconify window */
2733 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
2734 break;
2735 case 2: /* iconify window */
2736 XIconifyWindow(R->Xdisplay, R->TermWin.parent[0],
2737 DefaultScreen(R->Xdisplay));
2738 break;
2739 case 3: /* set position (pixels) */
2740 XMoveWindow(R->Xdisplay, R->TermWin.parent[0], args[1], args[2]);
2741 break;
2742 case 4: /* set size (pixels) */
2743 rxvt_set_widthheight(aR_ (unsigned int)args[2], (unsigned int)args[1]);
2744 break;
2745 case 5: /* raise window */
2746 XRaiseWindow(R->Xdisplay, R->TermWin.parent[0]);
2747 break;
2748 case 6: /* lower window */
2749 XLowerWindow(R->Xdisplay, R->TermWin.parent[0]);
2750 break;
2751 case 7: /* refresh window */
2752 rxvt_scr_touch(aR_ True);
2753 break;
2754 case 8: /* set size (chars) */
2755 rxvt_set_widthheight(aR_ (unsigned int)(args[2] * R->TermWin.fwidth),
2756 (unsigned int)(args[1] * R->TermWin.fheight));
2757 break;
2758 default:
2759 if (args[0] >= 24) /* set height (chars) */
2760 rxvt_set_widthheight(aR_ (unsigned int)R->TermWin.width,
2761 (unsigned int)(args[1] * R->TermWin.fheight));
2762 break;
2763 /*
2764 * reports - some output format copied from XTerm
2765 */
2766 case 11: /* report window state */
2767 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2768 rxvt_tt_printf(aR_ "\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2769 break;
2770 case 13: /* report window position */
2771 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2772 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], wattr.root,
2773 -wattr.border_width, -wattr.border_width,
2774 &x, &y, &wdummy);
2775 rxvt_tt_printf(aR_ "\033[3;%d;%dt", x, y);
2776 break;
2777 case 14: /* report window size (pixels) */
2778 XGetWindowAttributes(R->Xdisplay, R->TermWin.parent[0], &wattr);
2779 rxvt_tt_printf(aR_ "\033[4;%d;%dt", wattr.height, wattr.width);
2780 break;
2781 case 18: /* report window size (chars) */
2782 rxvt_tt_printf(aR_ "\033[8;%d;%dt", R->TermWin.nrow, R->TermWin.ncol);
2783 break;
2784 #if 0 /* XXX: currently disabled due to security concerns */
2785 case 20: /* report icon label */
2786 XGetIconName(R->Xdisplay, R->TermWin.parent[0], &s);
2787 rxvt_tt_printf(aR_ "\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2788 break;
2789 case 21: /* report window title */
2790 XFetchName(R->Xdisplay, R->TermWin.parent[0], &s);
2791 rxvt_tt_printf(aR_ "\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2792 break;
2793 #endif
2794 }
2795 }
2796 #endif
2797
2798 /*----------------------------------------------------------------------*/
2799 /*
2800 * get input up until STRING TERMINATOR (or BEL)
2801 * ends_how is terminator used. returned input must be free()d
2802 */
2803 /* INTPROTO */
2804 unsigned char *
2805 rxvt_get_to_st(pR_ unsigned char *ends_how)
2806 {
2807 int seen_esc = 0; /* seen escape? */
2808 unsigned int n = 0;
2809 unsigned char *s;
2810 unsigned char ch, string[STRING_MAX];
2811
2812 for (; (ch = rxvt_cmd_getc(aR));) {
2813 if (ch == C0_BEL
2814 || ch == CHAR_ST
2815 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2816 break;
2817 if (ch == C0_ESC) {
2818 seen_esc = 1;
2819 continue;
2820 } else if (ch == '\t')
2821 ch = ' '; /* translate '\t' to space */
2822 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2823 return NULL; /* other control character - exit */
2824 if (n < sizeof(string) - 1)
2825 string[n++] = ch;
2826 seen_esc = 0;
2827 }
2828 string[n++] = '\0';
2829 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2830 return NULL;
2831 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2832 STRNCPY(s, string, n);
2833 return s;
2834 }
2835
2836 /*----------------------------------------------------------------------*/
2837 /*
2838 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2839 */
2840 /* INTPROTO */
2841 void
2842 rxvt_process_dcs_seq(pR)
2843 {
2844 unsigned char eh, *s;
2845 /*
2846 * Not handled yet
2847 */
2848 s = rxvt_get_to_st(aR_ &eh);
2849 if (s)
2850 free(s);
2851 return;
2852 }
2853
2854 /*----------------------------------------------------------------------*/
2855 /*
2856 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2857 */
2858 /* INTPROTO */
2859 void
2860 rxvt_process_osc_seq(pR)
2861 {
2862 unsigned char ch, eh, *s;
2863 int arg;
2864
2865 ch = rxvt_cmd_getc(aR);
2866 for (arg = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
2867 arg = arg * 10 + (ch - '0');
2868
2869 if (ch == ';') {
2870 s = rxvt_get_to_st(aR_ &eh);
2871 if (s) {
2872 /*
2873 * rxvt_menubar_dispatch() violates the constness of the string,
2874 * so do it here
2875 */
2876 if (arg == XTerm_Menu)
2877 #if 0 /* XXX: currently disabled due to security concerns */
2878 rxvt_menubar_dispatch(aR_ (char *)s);
2879 #else
2880 0;
2881 #endif
2882 else
2883 rxvt_xterm_seq(aR_ arg, (char *)s, eh);
2884 free(s);
2885 }
2886 }
2887 }
2888 /*
2889 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2890 * 0 = change iconName/title
2891 * 1 = change iconName
2892 * 2 = change title
2893 * 4 = change color
2894 * 12 = change text color
2895 * 13 = change mouse foreground color
2896 * 17 = change highlight character colour
2897 * 18 = change bold character color
2898 * 19 = change underlined character color
2899 * 46 = change logfile (not implemented)
2900 * 50 = change font
2901 *
2902 * rxvt extensions:
2903 * 10 = menu (may change in future)
2904 * 20 = bg pixmap
2905 * 39 = change default fg color
2906 * 49 = change default bg color
2907 * 55 = dump scrollback buffer and all of screen
2908 */
2909 /* EXTPROTO */
2910 void
2911 rxvt_xterm_seq(pR_ int op, const char *str, unsigned char resp __attribute__((unused)))
2912 {
2913 int changed = 0;
2914 int color;
2915 char *buf, *name;
2916
2917 assert(str != NULL);
2918 switch (op) {
2919 case XTerm_name:
2920 rxvt_set_title(aR_ str);
2921 /* FALLTHROUGH */
2922 case XTerm_iconName:
2923 rxvt_set_iconName(aR_ str);
2924 break;
2925 case XTerm_title:
2926 rxvt_set_title(aR_ str);
2927 break;
2928 case XTerm_Color:
2929 for (buf = (char *)str; buf && *buf;) {
2930 if ((name = STRCHR(buf, ';')) == NULL)
2931 break;
2932 *name++ = '\0';
2933 color = atoi(buf);
2934 if (color < 0 || color >= TOTAL_COLORS)
2935 break;
2936 if ((buf = STRCHR(name, ';')) != NULL)
2937 *buf++ = '\0';
2938 rxvt_set_window_color(aR_ color + minCOLOR, name);
2939 }
2940 break;
2941 #ifndef NO_CURSORCOLOR
2942 case XTerm_Color_cursor:
2943 rxvt_set_window_color(aR_ Color_cursor, str);
2944 break;
2945 #endif
2946 case XTerm_Color_pointer:
2947 rxvt_set_window_color(aR_ Color_pointer, str);
2948 break;
2949 #ifndef NO_BOLD_UNDERLINE_REVERSE
2950 case XTerm_Color_BD:
2951 rxvt_set_window_color(aR_ Color_BD, str);
2952 break;
2953 case XTerm_Color_UL:
2954 rxvt_set_window_color(aR_ Color_UL, str);
2955 break;
2956 case XTerm_Color_RV:
2957 rxvt_set_window_color(aR_ Color_RV, str);
2958 break;
2959 #endif
2960
2961 case XTerm_Menu:
2962 /*
2963 * rxvt_menubar_dispatch() violates the constness of the string,
2964 * so DON'T do it here
2965 */
2966 break;
2967 case XTerm_Pixmap:
2968 if (*str != ';') {
2969 #if XPM_BACKGROUND
2970 rxvt_scale_pixmap(aR_ ""); /* reset to default scaling */
2971 rxvt_set_bgPixmap(aR_ str); /* change pixmap */
2972 #endif
2973 rxvt_scr_touch(aR_ True);
2974 }
2975 while ((str = STRCHR(str, ';')) != NULL) {
2976 str++;
2977 #if XPM_BACKGROUND
2978 changed += rxvt_scale_pixmap(aR_ str);
2979 #endif
2980 }
2981 if (changed) {
2982 #ifdef XPM_BACKGROUND
2983 rxvt_resize_pixmap(aR);
2984 #endif
2985 rxvt_scr_touch(aR_ True);
2986 }
2987 break;
2988
2989 case XTerm_restoreFG:
2990 rxvt_set_window_color(aR_ Color_fg, str);
2991 break;
2992 case XTerm_restoreBG:
2993 rxvt_set_window_color(aR_ Color_bg, str);
2994 break;
2995 case XTerm_logfile:
2996 break;
2997 case XTerm_font:
2998 rxvt_change_font(aR_ 0, str);
2999 break;
3000 #if 0
3001 case XTerm_dumpscreen: /* no error notices */
3002 {
3003 int fd;
3004 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
3005 rxvt_scr_dump(aR_ fd);
3006 close(fd);
3007 }
3008 }
3009 break;
3010 #endif
3011 }
3012 }
3013 /*----------------------------------------------------------------------*/
3014
3015 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
3016 /*
3017 * mode can only have the following values:
3018 * 'l' = low
3019 * 'h' = high
3020 * 's' = save
3021 * 'r' = restore
3022 * 't' = toggle
3023 * so no need for fancy checking
3024 */
3025 /* INTPROTO */
3026 int
3027 rxvt_privcases(pR_ int mode, unsigned long bit)
3028 {
3029 int state;
3030
3031 if (mode == 's') {
3032 R->SavedModes |= (R->PrivateModes & bit);
3033 return -1;
3034 } else {
3035 if (mode == 'r')
3036 state = (R->SavedModes & bit) ? 1 : 0; /* no overlapping */
3037 else
3038 state = (mode == 't') ? !(R->PrivateModes & bit) : mode;
3039 PrivMode(state, bit);
3040 }
3041 return state;
3042 }
3043
3044 /* we're not using priv _yet_ */
3045 /* INTPROTO */
3046 void
3047 rxvt_process_terminal_mode(pR_ int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3048 {
3049 unsigned int i, j;
3050 int state;
3051 static const struct {
3052 const int argval;
3053 const unsigned long bit;
3054 } argtopriv[] = {
3055 { 1, PrivMode_aplCUR },
3056 { 2, PrivMode_vt52 },
3057 { 3, PrivMode_132 },
3058 { 4, PrivMode_smoothScroll },
3059 { 5, PrivMode_rVideo },
3060 { 6, PrivMode_relOrigin },
3061 { 7, PrivMode_Autowrap },
3062 { 9, PrivMode_MouseX10 },
3063 #ifdef menuBar_esc
3064 { menuBar_esc, PrivMode_menuBar },
3065 #endif
3066 #ifdef scrollBar_esc
3067 { scrollBar_esc, PrivMode_scrollBar },
3068 #endif
3069 { 25, PrivMode_VisibleCursor },
3070 { 35, PrivMode_ShiftKeys },
3071 { 40, PrivMode_132OK },
3072 { 47, PrivMode_Screen },
3073 { 66, PrivMode_aplKP },
3074 #ifndef NO_BACKSPACE_KEY
3075 { 67, PrivMode_BackSpace },
3076 #endif
3077 { 1000, PrivMode_MouseX11 },
3078 { 1010, PrivMode_TtyOutputInh },
3079 { 1011, PrivMode_Keypress },
3080 { 1047, PrivMode_Screen },
3081 };
3082
3083 if (nargs == 0)
3084 return;
3085
3086 /* make lo/hi boolean */
3087 if (mode == 'l')
3088 mode = 0; /* reset */
3089 else if (mode == 'h')
3090 mode = 1; /* set */
3091
3092 for (i = 0; i < nargs; i++) {
3093 state = -1;
3094
3095 /* basic handling */
3096 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3097 if (argtopriv[j].argval == arg[i]) {
3098 state = rxvt_privcases(aR_ mode, argtopriv[j].bit);
3099 break;
3100 }
3101
3102 /* extra handling for values with state unkept */
3103 if (state == -1)
3104 switch (arg[i]) {
3105 case 1048: /* alternative cursor save */
3106 if (mode == 0)
3107 rxvt_scr_cursor(aR_ RESTORE);
3108 else if (mode == 1)
3109 rxvt_scr_cursor(aR_ SAVE);
3110 /* FALLTHROUGH */
3111 default:
3112 continue; /* for(;i;) */
3113 }
3114
3115 /* extra handling for values with valid 0 or 1 state */
3116 switch (arg[i]) {
3117 /* case 1: - application cursor keys */
3118 case 2: /* VT52 mode */
3119 /* oddball mode. should be set regardless of set/reset
3120 * parameter. Return from VT52 mode with an ESC < from
3121 * within VT52 mode
3122 */
3123 PrivMode(1, PrivMode_vt52);
3124 break;
3125 case 3: /* 80/132 */
3126 if (R->PrivateModes & PrivMode_132OK)
3127 rxvt_set_widthheight(aR_
3128 (unsigned int)((state ? 132 : 80) * R->TermWin.fwidth),
3129 (unsigned int)R->TermWin.height);
3130 break;
3131 case 4: /* smooth scrolling */
3132 if (state)
3133 R->Options &= ~Opt_jumpScroll;
3134 else
3135 R->Options |= Opt_jumpScroll;
3136 break;
3137 case 5: /* reverse video */
3138 rxvt_scr_rvideo_mode(aR_ state);
3139 break;
3140 case 6: /* relative/absolute origins */
3141 rxvt_scr_relative_origin(aR_ state);
3142 break;
3143 case 7: /* autowrap */
3144 rxvt_scr_autowrap(aR_ state);
3145 break;
3146 /* case 8: - auto repeat, can't do on a per window basis */
3147 case 9: /* X10 mouse reporting */
3148 if (state) /* orthogonal */
3149 R->PrivateModes &= ~(PrivMode_MouseX11);
3150 break;
3151 #ifdef menuBar_esc
3152 case menuBar_esc:
3153 #ifdef MENUBAR
3154 rxvt_map_menuBar(aR_ state);
3155 #endif
3156 break;
3157 #endif
3158 #ifdef scrollBar_esc
3159 case scrollBar_esc:
3160 if (rxvt_scrollbar_mapping(aR_ state)) {
3161 rxvt_resize_all_windows(aR_ 0, 0, 0);
3162 rxvt_scr_touch(aR_ True);
3163 }
3164 break;
3165 #endif
3166 case 25: /* visible/invisible cursor */
3167 rxvt_scr_cursor_visible(aR_ state);
3168 break;
3169 /* case 35: - shift keys */
3170 /* case 40: - 80 <--> 132 mode */
3171 case 47: /* secondary screen */
3172 rxvt_scr_change_screen(aR_ state);
3173 break;
3174 /* case 66: - application key pad */
3175 /* case 67: - backspace key */
3176 case 1000: /* X11 mouse reporting */
3177 if (state) /* orthogonal */
3178 R->PrivateModes &= ~(PrivMode_MouseX10);
3179 break;
3180 #if 0
3181 case 1001:
3182 break; /* X11 mouse highlighting */
3183 #endif
3184 case 1010: /* scroll to bottom on TTY output inhibit */
3185 if (state)
3186 R->Options &= ~Opt_scrollTtyOutput;
3187 else
3188 R->Options |= Opt_scrollTtyOutput;
3189 break;
3190 case 1011: /* scroll to bottom on key press */
3191 if (state)
3192 R->Options |= Opt_scrollTtyKeypress;
3193 else
3194 R->Options &= ~Opt_scrollTtyKeypress;
3195 break;
3196 case 1047: /* secondary screen w/ clearing */
3197 if (R->current_screen != PRIMARY)
3198 rxvt_scr_erase_screen(aR_ 2);
3199 rxvt_scr_change_screen(aR_ state);
3200 /* FALLTHROUGH */
3201 default:
3202 break;
3203 }
3204 }
3205 }
3206 /*}}} */
3207
3208 /*{{{ process sgr sequences */
3209 /* INTPROTO */
3210 void
3211 rxvt_process_sgr_mode(pR_ unsigned int nargs, const int *arg)
3212 {
3213 unsigned int i;
3214 short rendset;
3215 int rendstyle;
3216
3217 if (nargs == 0) {
3218 rxvt_scr_rendition(aR_ 0, ~RS_None);
3219 return;
3220 }
3221 for (i = 0; i < nargs; i++) {
3222 rendset = -1;
3223 switch (arg[i]) {
3224 case 0:
3225 rendset = 0, rendstyle = ~RS_None;
3226 break;
3227 case 1:
3228 rendset = 1, rendstyle = RS_Bold;
3229 break;
3230 case 4:
3231 rendset = 1, rendstyle = RS_Uline;
3232 break;
3233 case 5:
3234 rendset = 1, rendstyle = RS_Blink;
3235 break;
3236 case 7:
3237 rendset = 1, rendstyle = RS_RVid;
3238 break;
3239 case 22:
3240 rendset = 0, rendstyle = RS_Bold;
3241 break;
3242 case 24:
3243 rendset = 0, rendstyle = RS_Uline;
3244 break;
3245 case 25:
3246 rendset = 0, rendstyle = RS_Blink;
3247 break;
3248 case 27:
3249 rendset = 0, rendstyle = RS_RVid;
3250 break;
3251 }
3252 if (rendset != -1) {
3253 rxvt_scr_rendition(aR_ rendset, rendstyle);
3254 continue; /* for(;i;) */
3255 }
3256
3257 switch (arg[i]) {
3258 case 30:
3259 case 31: /* set fg color */
3260 case 32:
3261 case 33:
3262 case 34:
3263 case 35:
3264 case 36:
3265 case 37:
3266 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 30)),
3267 Color_fg);
3268 break;
3269 #ifdef TTY_256COLOR
3270 case 38:
3271 if (nargs > i + 2 && arg[i + 1] == 5) {
3272 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3273 Color_fg);
3274 i += 2;
3275 }
3276 break;
3277 #endif
3278 case 39: /* default fg */
3279 rxvt_scr_color(aR_ Color_fg, Color_fg);
3280 break;
3281
3282 case 40:
3283 case 41: /* set bg color */
3284 case 42:
3285 case 43:
3286 case 44:
3287 case 45:
3288 case 46:
3289 case 47:
3290 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + (arg[i] - 40)),
3291 Color_bg);
3292 break;
3293 #ifdef TTY_256COLOR
3294 case 48:
3295 if (nargs > i + 2 && arg[i + 1] == 5) {
3296 rxvt_scr_color(aR_ (unsigned int)(minCOLOR + arg[i + 2]),
3297 Color_bg);
3298 i += 2;
3299 }
3300 break;
3301 #endif
3302 case 49: /* default bg */
3303 rxvt_scr_color(aR_ Color_bg, Color_bg);
3304 break;
3305
3306 #ifndef NO_BRIGHTCOLOR
3307 case 90:
3308 case 91: /* set bright fg color */
3309 case 92:
3310 case 93:
3311 case 94:
3312 case 95:
3313 case 96:
3314 case 97:
3315 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3316 Color_fg);
3317 break;
3318 case 100:
3319 case 101: /* set bright bg color */
3320 case 102:
3321 case 103:
3322 case 104:
3323 case 105:
3324 case 106:
3325 case 107:
3326 rxvt_scr_color(aR_ (unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3327 Color_bg);
3328 break;
3329 #endif
3330 }
3331 }
3332 }
3333 /*}}} */
3334
3335 /*{{{ process Rob Nation's own graphics mode sequences */
3336 /* INTPROTO */
3337 void
3338 rxvt_process_graphics(pR)
3339 {
3340 unsigned char ch, cmd = rxvt_cmd_getc(aR);
3341
3342 #ifndef RXVT_GRAPHICS
3343 if (cmd == 'Q') { /* query graphics */
3344 rxvt_tt_printf(aR_ "\033G0\n"); /* no graphics */
3345 return;
3346 }
3347 /* swallow other graphics sequences until terminating ':' */
3348 do
3349 ch = rxvt_cmd_getc(aR);
3350 while (ch != ':');
3351 #else
3352 unsigned int nargs;
3353 int args[NGRX_PTS];
3354 unsigned char *text = NULL;
3355
3356 if (cmd == 'Q') { /* query graphics */
3357 rxvt_tt_printf(aR_ "\033G1\n"); /* yes, graphics (color) */
3358 return;
3359 }
3360 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3361 int neg;
3362
3363 ch = rxvt_cmd_getc(aR);
3364 neg = (ch == '-');
3365 if (neg || ch == '+')
3366 ch = rxvt_cmd_getc(aR);
3367
3368 for (args[nargs] = 0; isdigit(ch); ch = rxvt_cmd_getc(aR))
3369 args[nargs] = args[nargs] * 10 + (ch - '0');
3370 if (neg)
3371 args[nargs] = -args[nargs];
3372
3373 nargs++;
3374 args[nargs] = 0;
3375 if (ch != ';')
3376 break;
3377 }
3378
3379 if ((cmd == 'T') && (nargs >= 5)) {
3380 int i, len = args[4];
3381
3382 text = rxvt_malloc((len + 1) * sizeof(char));
3383
3384 if (text != NULL) {
3385 for (i = 0; i < len; i++)
3386 text[i] = rxvt_cmd_getc(aR);
3387 text[len] = '\0';
3388 }
3389 }
3390 rxvt_Gr_do_graphics(aR_ cmd, nargs, args, text);
3391 #endif
3392 }
3393 /*}}} */
3394
3395 /* ------------------------------------------------------------------------- */
3396
3397 /*{{{ Read and process output from the application */
3398 /* LIBPROTO */
3399 void
3400 rxvt_main_loop(pR)
3401 {
3402 uint32_t ch, *str, buf[BUFSIZ];
3403 int nlines, refreshnow;
3404
3405 R->cmdbuf_ptr = R->cmdbuf_endp = R->cmdbuf_base;
3406
3407 /* once we know the shell is running, send the screen size. Again! */
3408 ch = rxvt_cmd_getc(aR); /* wait for something */
3409 rxvt_tt_winsize(R->cmd_fd, R->TermWin.ncol, R->TermWin.nrow, R->cmd_pid);
3410
3411 refreshnow = 0;
3412 for (;;) {
3413 if (ch == NOCHAR)
3414 ch = rxvt_cmd_getc(aR);
3415
3416 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
3417 {
3418 /* Read a text string from the input buffer */
3419 nlines = 0;
3420 str = buf;
3421 *str++ = ch;
3422 for (;;)
3423 {
3424 ch = next_char (aR);
3425
3426 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
3427 break;
3428 else
3429 {
3430 *str++ = ch;
3431
3432 if (ch == '\n')
3433 {
3434 nlines++;
3435 R->refresh_count++;
3436 if (!(R->Options & Opt_jumpScroll)
3437 || (R->refresh_count >= (R->refresh_limit
3438 * (R->TermWin.nrow - 1))))
3439 {
3440 refreshnow = 1;
3441 ch = NOCHAR;
3442 break;
3443 }
3444 }
3445
3446 if (str >= buf + BUFSIZ)
3447 {
3448 ch = NOCHAR;
3449 break;
3450 }
3451 }
3452 }
3453
3454 rxvt_scr_add_lines(aR_ buf, nlines, str - buf);
3455
3456 /*
3457 * If there have been a lot of new lines, then update the screen
3458 * What the heck I'll cheat and only refresh less than every page-full.
3459 * the number of pages between refreshes is R->refresh_limit, which
3460 * is incremented here because we must be doing flat-out scrolling.
3461 *
3462 * refreshing should be correct for small scrolls, because of the
3463 * time-out
3464 */
3465
3466 //TODO: REFRESH_PERIOD is one, fix it
3467 if (refreshnow)
3468 {
3469 refreshnow = 0;
3470
3471 if ((R->Options & Opt_jumpScroll) && R->refresh_limit < REFRESH_PERIOD)
3472 R->refresh_limit++;
3473
3474 rxvt_scr_refresh(aR_ R->refresh_type);
3475 }
3476
3477 }
3478 else
3479 {
3480 switch (ch)
3481 {
3482 default:
3483 rxvt_process_nonprinting(aR_ ch);
3484 break;
3485 case C0_ESC: /* escape char */
3486 rxvt_process_escape_seq(aR);
3487 break;
3488 /* case 0x9b: */ /* CSI */
3489 /* rxvt_process_csi_seq(aR); */
3490 }
3491
3492 ch = NOCHAR;
3493 }
3494 }
3495 /* NOTREACHED */
3496 }
3497
3498 /*
3499 * Send printf() formatted output to the command.
3500 * Only use for small amounts of data.
3501 */
3502 /* EXTPROTO */
3503 void
3504 rxvt_tt_printf(pR_ const char *fmt,...)
3505 {
3506 va_list arg_ptr;
3507 unsigned char buf[256];
3508
3509 va_start(arg_ptr, fmt);
3510 vsprintf((char *)buf, fmt, arg_ptr);
3511 va_end(arg_ptr);
3512 rxvt_tt_write(aR_ buf, (unsigned int)STRLEN(buf));
3513 }
3514
3515 /* ---------------------------------------------------------------------- */
3516 /* Addresses pasting large amounts of data and rxvt hang
3517 * code pinched from xterm (v_write()) and applied originally to
3518 * rxvt-2.18 - Hops
3519 * Write data to the pty as typed by the user, pasted with the mouse,
3520 * or generated by us in response to a query ESC sequence.
3521 */
3522 /* EXTPROTO */
3523 void
3524 rxvt_tt_write(pR_ const unsigned char *d, unsigned int len)
3525 {
3526 #define MAX_PTY_WRITE 256 /* POSIX minimum MAX_INPUT */
3527 int riten;
3528 unsigned int p;
3529 unsigned char *v_buffer, /* start of physical buffer */
3530 *v_bufstr, /* start of current buffer pending */
3531 *v_bufptr, /* end of current buffer pending */
3532 *v_bufend; /* end of physical buffer */
3533
3534 if (R->v_bufstr == NULL && len > 0) {
3535 p = (len / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3536 v_buffer = v_bufstr = v_bufptr = (unsigned char *)rxvt_malloc(p);
3537 v_bufend = v_buffer + p;
3538 } else {
3539 v_buffer = R->v_buffer;
3540 v_bufstr = R->v_bufstr;
3541 v_bufptr = R->v_bufptr;
3542 v_bufend = R->v_bufend;
3543 }
3544
3545 /*
3546 * Append to the block we already have. Always doing this simplifies the
3547 * code, and isn't too bad, either. If this is a short block, it isn't
3548 * too expensive, and if this is a long block, we won't be able to write
3549 * it all anyway.
3550 */
3551 if (len > 0) {
3552 if (v_bufend < v_bufptr + len) { /* run out of room */
3553 if (v_bufstr != v_buffer) {
3554 /* there is unused space, move everything down */
3555 MEMMOVE(v_buffer, v_bufstr,
3556 (unsigned int)(v_bufptr - v_bufstr));
3557 v_bufptr -= v_bufstr - v_buffer;
3558 v_bufstr = v_buffer;
3559 }
3560 if (v_bufend < v_bufptr + len) {
3561 /* still won't fit: get more space */
3562 /* use most basic realloc because an error is not fatal. */
3563 unsigned int size = v_bufptr - v_buffer;
3564 unsigned int reallocto;
3565
3566 reallocto = ((size + len) / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3567 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3568 /* save across realloc */
3569 if (v_buffer) {
3570 v_bufstr = v_buffer;
3571 v_bufptr = v_buffer + size;
3572 v_bufend = v_buffer + reallocto;
3573 } else { /* no memory: ignore entire write request */
3574 rxvt_print_error("data loss: cannot allocate buffer space");
3575 v_buffer = v_bufstr; /* restore clobbered pointer */
3576 }
3577 }
3578 }
3579 if (v_bufend >= v_bufptr + len) { /* new stuff will fit */
3580 MEMCPY(v_bufptr, d, len);
3581 v_bufptr += len;
3582 }
3583 }
3584
3585 /*
3586 * Write out as much of the buffer as we can.
3587 * Be careful not to overflow the pty's input silo.
3588 * We are conservative here and only write a small amount at a time.
3589 *
3590 * If we can't push all the data into the pty yet, we expect write
3591 * to return a non-negative number less than the length requested
3592 * (if some data written) or -1 and set errno to EAGAIN,
3593 * EWOULDBLOCK, or EINTR (if no data written).
3594 *
3595 * (Not all systems do this, sigh, so the code is actually
3596 * a little more forgiving.)
3597 */
3598 if ((p = v_bufptr - v_bufstr) > 0) {
3599 riten = write(R->cmd_fd, v_bufstr, min(p, MAX_PTY_WRITE));
3600 if (riten < 0)
3601 riten = 0;
3602 v_bufstr += riten;
3603 if (v_bufstr >= v_bufptr) /* we wrote it all */
3604 v_bufstr = v_bufptr = v_buffer;
3605 }
3606 /*
3607 * If we have lots of unused memory allocated, return it
3608 */
3609 if (v_bufend - v_bufptr > MAX_PTY_WRITE * 8) { /* arbitrary hysteresis */
3610 /* save pointers across realloc */
3611 unsigned int start = v_bufstr - v_buffer;
3612 unsigned int size = v_bufptr - v_buffer;
3613 unsigned int reallocto;
3614
3615 reallocto = (size / MAX_PTY_WRITE + 1) * MAX_PTY_WRITE;
3616 v_buffer = (unsigned char *)realloc(v_buffer, reallocto);
3617 if (v_buffer) {
3618 v_bufstr = v_buffer + start;
3619 v_bufptr = v_buffer + size;
3620 v_bufend = v_buffer + reallocto;
3621 } else {
3622 /* should we print a warning if couldn't return memory? */
3623 v_buffer = v_bufstr - start; /* restore clobbered pointer */
3624 }
3625 }
3626 R->v_buffer = v_buffer;
3627 R->v_bufstr = v_bufstr;
3628 R->v_bufptr = v_bufptr;
3629 R->v_bufend = v_bufend;
3630 }
3631 /*----------------------- end-of-file (C source) -----------------------*/
3632