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Revision: 1.35
Committed: Sat Jan 31 03:27:45 2004 UTC (20 years, 3 months ago) by pcg
Content type: text/plain
Branch: MAIN
CVS Tags: before_astyle
Changes since 1.34: +0 -1 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
2 * File: command.c
3 *----------------------------------------------------------------------*
4 *
5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
7 * - original version
8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
9 * - extensive modifications
10 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
11 * - vt100 printing
12 * Copyright (c) 1995 Steven Hirsch <hirsch@emba.uvm.edu>
13 * - X11 mouse report mode and support for
14 * DEC "private mode" save/restore functions.
15 * Copyright (c) 1995 Jakub Jelinek <jj@gnu.ai.mit.edu>
16 * - key-related changes to handle Shift+function
17 * keys properly.
18 * Copyright (c) 1997 MJ Olesen <olesen@me.queensu.ca>
19 * - extensive modifications
20 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es>
21 * - modification and cleanups for Solaris 2.x
22 * and Linux 1.2.x
23 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
24 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
25 * - extensive modifications
26 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
27 * Copyright (c) 2001 Marius Gedminas
28 * - Ctrl/Mod4+Tab works like Meta+Tab (options)
29 * Copyright (c) 2003 Rob McMullen <robm@flipturn.org>
30 *
31 * This program is free software; you can redistribute it and/or modify
32 * it under the terms of the GNU General Public License as published by
33 * the Free Software Foundation; either version 2 of the License, or
34 * (at your option) any later version.
35 *
36 * This program is distributed in the hope that it will be useful,
37 * but WITHOUT ANY WARRANTY; without even the implied warranty of
38 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
39 * GNU General Public License for more details.
40 *
41 * You should have received a copy of the GNU General Public License
42 * along with this program; if not, write to the Free Software
43 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
44 *----------------------------------------------------------------------*/
45
46 /*{{{ includes: */
47 #include "../config.h" /* NECESSARY */
48 #include "rxvt.h" /* NECESSARY */
49 #include "version.h"
50 #include "command.h"
51
52 #include <wchar.h>
53
54 /*----------------------------------------------------------------------*/
55
56 /*{{{ Convert the keypress event into a string */
57 void
58 rxvt_term::lookup_key (XKeyEvent *ev)
59 {
60 int ctrl, meta, shft, len;
61 unsigned int newlen;
62 KeySym keysym;
63 #ifdef DEBUG_CMD
64 static int debug_key = 1; /* accessible by a debugger only */
65 #endif
66 int valid_keysym;
67 unsigned char kbuf[KBUFSZ];
68
69 /*
70 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
71 * escape sequence to toggle the Keypad.
72 *
73 * Always permit `shift' to override the current setting
74 */
75 shft = (ev->state & ShiftMask);
76 ctrl = (ev->state & ControlMask);
77 meta = (ev->state & ModMetaMask);
78
79 if (numlock_state || (ev->state & ModNumLockMask))
80 {
81 numlock_state = (ev->state & ModNumLockMask);
82 PrivMode((!numlock_state), PrivMode_aplKP);
83 }
84
85 kbuf[0] = 0;
86
87 #ifdef USE_XIM
88 if (Input_Context)
89 {
90 Status status_return;
91
92 #ifdef X_HAVE_UTF8_STRING
93 if (enc_utf8 && 0)
94 len = Xutf8LookupString (Input_Context, ev, (char *)kbuf,
95 KBUFSZ, &keysym, &status_return);
96 else
97 #endif
98 {
99 wchar_t wkbuf[KBUFSZ + 1];
100
101 // the XOpenIM manpage lies about hardcoding the locale
102 // at the point of XOpenIM, so temporarily switch locales
103 if (rs[Rs_imLocale])
104 SET_LOCALE (rs[Rs_imLocale]);
105 // assume wchar_t == unicode or better
106 len = XwcLookupString (Input_Context, ev, wkbuf,
107 KBUFSZ, &keysym, &status_return);
108 if (rs[Rs_imLocale])
109 SET_LOCALE (locale);
110
111 if (status_return == XLookupChars
112 || status_return == XLookupBoth)
113 {
114 wkbuf[len] = 0;
115 len = wcstombs ((char *)kbuf, wkbuf, KBUFSZ);
116 if (len < 0)
117 len = 0;
118 }
119 else
120 len = 0;
121 }
122
123 valid_keysym = status_return == XLookupKeySym
124 || status_return == XLookupBoth;
125 }
126 else
127 #endif
128 {
129 len = XLookupString (ev, (char *)kbuf, KBUFSZ, &keysym, &compose);
130 valid_keysym = !len;
131 }
132
133 if (valid_keysym)
134 {
135 /* for some backwards compatibility */
136 #if defined(HOTKEY_CTRL) || defined(HOTKEY_META)
137 # ifdef HOTKEY_CTRL
138 if (ctrl)
139 # else
140 if (meta)
141 # endif
142 {
143 if (keysym == ks_bigfont)
144 {
145 change_font (0, FONT_UP);
146 return;
147 }
148 else if (keysym == ks_smallfont)
149 {
150 change_font (0, FONT_DN);
151 return;
152 }
153 }
154 #endif
155
156 if (TermWin.saveLines) {
157 #ifdef UNSHIFTED_SCROLLKEYS
158 if (!ctrl && !meta) {
159 #else
160 if (IS_SCROLL_MOD) {
161 #endif
162 int lnsppg;
163
164 #ifdef PAGING_CONTEXT_LINES
165 lnsppg = TermWin.nrow - PAGING_CONTEXT_LINES;
166 #else
167 lnsppg = TermWin.nrow * 4 / 5;
168 #endif
169 if (keysym == XK_Prior) {
170 scr_page (UP, lnsppg);
171 return;
172 } else if (keysym == XK_Next) {
173 scr_page (DN, lnsppg);
174 return;
175 }
176 }
177 #ifdef SCROLL_ON_UPDOWN_KEYS
178 if (IS_SCROLL_MOD) {
179 if (keysym == XK_Up) {
180 scr_page (UP, 1);
181 return;
182 } else if (keysym == XK_Down) {
183 scr_page (DN, 1);
184 return;
185 }
186 }
187 #endif
188 #ifdef SCROLL_ON_HOMEEND_KEYS
189 if (IS_SCROLL_MOD) {
190 if (keysym == XK_Home) {
191 scr_move_to (0, 1);
192 return;
193 } else if (keysym == XK_End) {
194 scr_move_to (1, 0);
195 return;
196 }
197 }
198 #endif
199 }
200
201 if (shft) {
202 /* Shift + F1 - F10 generates F11 - F20 */
203 if (keysym >= XK_F1 && keysym <= XK_F10) {
204 keysym += (XK_F11 - XK_F1);
205 shft = 0; /* turn off Shift */
206 } else if (!ctrl && !meta && (PrivateModes & PrivMode_ShiftKeys)) {
207 switch (keysym) {
208 /* normal XTerm key bindings */
209 case XK_Insert: /* Shift+Insert = paste mouse selection */
210 selection_request (ev->time, 0, 0);
211 return;
212 /* rxvt extras */
213 case XK_KP_Add: /* Shift+KP_Add = bigger font */
214 change_font (0, FONT_UP);
215 return;
216 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
217 change_font (0, FONT_DN);
218 return;
219 }
220 }
221 }
222 #ifdef PRINTPIPE
223 if (keysym == XK_Print) {
224 scr_printscreen (ctrl | shft);
225 return;
226 }
227 #endif
228 #ifdef GREEK_SUPPORT
229 if (keysym == ks_greekmodeswith) {
230 greek_mode = !greek_mode;
231 if (greek_mode) {
232 xterm_seq (XTerm_title,
233 (greek_getmode() == GREEK_ELOT928
234 ? "[Greek: iso]" : "[Greek: ibm]"), CHAR_ST);
235 greek_reset();
236 } else
237 xterm_seq (XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
238 return;
239 }
240 #endif
241
242 if (keysym >= 0xFF00 && keysym <= 0xFFFF) {
243 #ifdef KEYSYM_RESOURCE
244 if (!(shft | ctrl) && Keysym_map[keysym & 0xFF] != NULL) {
245 unsigned int l;
246 const unsigned char *kbuf0;
247 const unsigned char ch = C0_ESC;
248
249 kbuf0 = (Keysym_map[keysym & 0xFF]);
250 l = (unsigned int)*kbuf0++;
251
252 /* escape prefix */
253 if (meta)
254 # ifdef META8_OPTION
255 if (meta_char == C0_ESC)
256 # endif
257 tt_write (&ch, 1);
258 tt_write (kbuf0, l);
259 return;
260 } else
261 #endif
262 {
263 newlen = 1;
264 switch (keysym) {
265 #ifndef NO_BACKSPACE_KEY
266 case XK_BackSpace:
267 if (PrivateModes & PrivMode_HaveBackSpace) {
268 kbuf[0] = (!!(PrivateModes & PrivMode_BackSpace)
269 ^ !!ctrl) ? '\b' : '\177';
270 kbuf[1] = '\0';
271 } else
272 STRCPY(kbuf, key_backspace);
273 # ifdef MULTICHAR_SET
274 if ((Options & Opt_mc_hack) && screen.cur.col > 0) {
275 int col, row;
276
277 newlen = STRLEN(kbuf);
278 col = screen.cur.col - 1;
279 row = screen.cur.row + TermWin.saveLines;
280 if (IS_MULTI2(screen.rend[row][col]))
281 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
282 }
283 # endif
284 break;
285 #endif
286 #ifndef NO_DELETE_KEY
287 case XK_Delete:
288 STRCPY(kbuf, key_delete);
289 # ifdef MULTICHAR_SET
290 if (Options & Opt_mc_hack) {
291 int col, row;
292
293 newlen = STRLEN(kbuf);
294 col = screen.cur.col;
295 row = screen.cur.row + TermWin.saveLines;
296 if (IS_MULTI1(screen.rend[row][col]))
297 MEMMOVE(kbuf + newlen, kbuf, newlen + 1);
298 }
299 # endif
300 break;
301 #endif
302 case XK_Tab:
303 if (shft)
304 STRCPY(kbuf, "\033[Z");
305 else {
306 #ifdef CTRL_TAB_MAKES_META
307 if (ctrl)
308 meta = 1;
309 #endif
310 #ifdef MOD4_TAB_MAKES_META
311 if (ev->state & Mod4Mask)
312 meta = 1;
313 #endif
314 newlen = 0;
315 }
316 break;
317
318
319 #ifdef XK_KP_Left
320 case XK_KP_Up: /* \033Ox or standard */
321 case XK_KP_Down: /* \033Or or standard */
322 case XK_KP_Right: /* \033Ov or standard */
323 case XK_KP_Left: /* \033Ot or standard */
324 if ((PrivateModes & PrivMode_aplKP) ? !shft : shft) {
325 STRCPY(kbuf, "\033OZ");
326 kbuf[2] = ("txvr"[keysym - XK_KP_Left]);
327 break;
328 } else
329 /* translate to std. cursor key */
330 keysym = XK_Left + (keysym - XK_KP_Left);
331 /* FALLTHROUGH */
332 #endif
333 case XK_Up: /* "\033[A" */
334 case XK_Down: /* "\033[B" */
335 case XK_Right: /* "\033[C" */
336 case XK_Left: /* "\033[D" */
337 STRCPY(kbuf, "\033[Z");
338 kbuf[2] = ("DACB"[keysym - XK_Left]);
339 /* do Shift first */
340 if (shft)
341 kbuf[2] = ("dacb"[keysym - XK_Left]);
342 else if (ctrl) {
343 kbuf[1] = 'O';
344 kbuf[2] = ("dacb"[keysym - XK_Left]);
345 } else if (PrivateModes & PrivMode_aplCUR)
346 kbuf[1] = 'O';
347 #ifdef MULTICHAR_SET
348 //TODO: ??
349 if (Options & Opt_mc_hack) {
350 int col, row, m;
351
352 col = screen.cur.col;
353 row = screen.cur.row + TermWin.saveLines;
354 m = 0;
355 if (keysym == XK_Right
356 && IS_MULTI1(screen.rend[row][col]))
357 m = 1;
358 else if (keysym == XK_Left) {
359 if (col > 0) {
360 if (IS_MULTI2(screen.rend[row][col - 1]))
361 m = 1;
362 } else if (screen.cur.row > 0) {
363 col = screen.tlen[--row];
364 if (col == -1)
365 col = TermWin.ncol - 1;
366 else
367 col--;
368 if (col > 0
369 && IS_MULTI2(screen.rend[row][col]))
370 m = 1;
371 }
372 }
373 if (m)
374 MEMMOVE(kbuf + 3, kbuf, 3 + 1);
375 }
376 #endif
377 break;
378
379 #ifndef UNSHIFTED_SCROLLKEYS
380 # ifdef XK_KP_Prior
381 case XK_KP_Prior:
382 /* allow shift to override */
383 if ((PrivateModes & PrivMode_aplKP) ? !shft : shft) {
384 STRCPY(kbuf, "\033Oy");
385 break;
386 }
387 /* FALLTHROUGH */
388 # endif
389 case XK_Prior:
390 STRCPY(kbuf, "\033[5~");
391 break;
392 # ifdef XK_KP_Next
393 case XK_KP_Next:
394 /* allow shift to override */
395 if ((PrivateModes & PrivMode_aplKP) ? !shft : shft) {
396 STRCPY(kbuf, "\033Os");
397 break;
398 }
399 /* FALLTHROUGH */
400 # endif
401 case XK_Next:
402 STRCPY(kbuf, "\033[6~");
403 break;
404 #endif
405 case XK_KP_Enter:
406 /* allow shift to override */
407 if ((PrivateModes & PrivMode_aplKP) ? !shft : shft) {
408 STRCPY(kbuf, "\033OM");
409 } else {
410 kbuf[0] = '\r';
411 kbuf[1] = '\0';
412 }
413 break;
414
415 #ifdef XK_KP_Begin
416 case XK_KP_Begin:
417 STRCPY(kbuf, "\033Ou");
418 break;
419
420 case XK_KP_Insert:
421 STRCPY(kbuf, "\033Op");
422 break;
423
424 case XK_KP_Delete:
425 STRCPY(kbuf, "\033On");
426 break;
427 #endif
428 case XK_KP_F1: /* "\033OP" */
429 case XK_KP_F2: /* "\033OQ" */
430 case XK_KP_F3: /* "\033OR" */
431 case XK_KP_F4: /* "\033OS" */
432 STRCPY(kbuf, "\033OP");
433 kbuf[2] += (keysym - XK_KP_F1);
434 break;
435
436 case XK_KP_Multiply: /* "\033Oj" : "*" */
437 case XK_KP_Add: /* "\033Ok" : "+" */
438 case XK_KP_Separator: /* "\033Ol" : "," */
439 case XK_KP_Subtract: /* "\033Om" : "-" */
440 case XK_KP_Decimal: /* "\033On" : "." */
441 case XK_KP_Divide: /* "\033Oo" : "/" */
442 case XK_KP_0: /* "\033Op" : "0" */
443 case XK_KP_1: /* "\033Oq" : "1" */
444 case XK_KP_2: /* "\033Or" : "2" */
445 case XK_KP_3: /* "\033Os" : "3" */
446 case XK_KP_4: /* "\033Ot" : "4" */
447 case XK_KP_5: /* "\033Ou" : "5" */
448 case XK_KP_6: /* "\033Ov" : "6" */
449 case XK_KP_7: /* "\033Ow" : "7" */
450 case XK_KP_8: /* "\033Ox" : "8" */
451 case XK_KP_9: /* "\033Oy" : "9" */
452 /* allow shift to override */
453 if ((PrivateModes & PrivMode_aplKP) ? !shft : shft) {
454 STRCPY(kbuf, "\033Oj");
455 kbuf[2] += (keysym - XK_KP_Multiply);
456 } else {
457 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
458 kbuf[1] = '\0';
459 }
460 break;
461
462 case XK_Find:
463 STRCPY(kbuf, "\033[1~");
464 break;
465 case XK_Insert:
466 STRCPY(kbuf, "\033[2~");
467 break;
468 #ifdef DXK_Remove /* support for DEC remove like key */
469 case DXK_Remove:
470 /* FALLTHROUGH */
471 #endif
472 case XK_Execute:
473 STRCPY(kbuf, "\033[3~");
474 break;
475 case XK_Select:
476 STRCPY(kbuf, "\033[4~");
477 break;
478 #ifdef XK_KP_End
479 case XK_KP_End:
480 /* allow shift to override */
481 if ((PrivateModes & PrivMode_aplKP) ? !shft : shft) {
482 STRCPY(kbuf, "\033Oq");
483 break;
484 }
485 /* FALLTHROUGH */
486 #endif
487 case XK_End:
488 STRCPY(kbuf, KS_END);
489 break;
490 #ifdef XK_KP_Home
491 case XK_KP_Home:
492 /* allow shift to override */
493 if ((PrivateModes & PrivMode_aplKP) ? !shft : shft) {
494 STRCPY(kbuf, "\033Ow");
495 break;
496 }
497 /* FALLTHROUGH */
498 #endif
499 case XK_Home:
500 STRCPY(kbuf, KS_HOME);
501 break;
502
503 #define FKEY(n, fkey) \
504 sprintf((char *)kbuf,"\033[%2d~", (int)((n) + (keysym - fkey)))
505
506 case XK_F1: /* "\033[11~" */
507 case XK_F2: /* "\033[12~" */
508 case XK_F3: /* "\033[13~" */
509 case XK_F4: /* "\033[14~" */
510 case XK_F5: /* "\033[15~" */
511 FKEY(11, XK_F1);
512 break;
513 case XK_F6: /* "\033[17~" */
514 case XK_F7: /* "\033[18~" */
515 case XK_F8: /* "\033[19~" */
516 case XK_F9: /* "\033[20~" */
517 case XK_F10: /* "\033[21~" */
518 FKEY(17, XK_F6);
519 break;
520 case XK_F11: /* "\033[23~" */
521 case XK_F12: /* "\033[24~" */
522 case XK_F13: /* "\033[25~" */
523 case XK_F14: /* "\033[26~" */
524 FKEY(23, XK_F11);
525 break;
526 case XK_F15: /* "\033[28~" */
527 case XK_F16: /* "\033[29~" */
528 FKEY(28, XK_F15);
529 break;
530 case XK_Help: /* "\033[28~" */
531 FKEY(28, XK_Help);
532 break;
533 case XK_Menu: /* "\033[29~" */
534 FKEY(29, XK_Menu);
535 break;
536 case XK_F17: /* "\033[31~" */
537 case XK_F18: /* "\033[32~" */
538 case XK_F19: /* "\033[33~" */
539 case XK_F20: /* "\033[34~" */
540 case XK_F21: /* "\033[35~" */
541 case XK_F22: /* "\033[36~" */
542 case XK_F23: /* "\033[37~" */
543 case XK_F24: /* "\033[38~" */
544 case XK_F25: /* "\033[39~" */
545 case XK_F26: /* "\033[40~" */
546 case XK_F27: /* "\033[41~" */
547 case XK_F28: /* "\033[42~" */
548 case XK_F29: /* "\033[43~" */
549 case XK_F30: /* "\033[44~" */
550 case XK_F31: /* "\033[45~" */
551 case XK_F32: /* "\033[46~" */
552 case XK_F33: /* "\033[47~" */
553 case XK_F34: /* "\033[48~" */
554 case XK_F35: /* "\033[49~" */
555 FKEY(31, XK_F17);
556 break;
557 #undef FKEY
558 default:
559 newlen = 0;
560 break;
561 }
562 if (newlen)
563 len = STRLEN(kbuf);
564 }
565 /*
566 * Pass meta for all function keys, if 'meta' option set
567 */
568 #ifdef META8_OPTION
569 if (meta && (meta_char == 0x80) && len > 0)
570 kbuf[len - 1] |= 0x80;
571 #endif
572 } else if (ctrl && keysym == XK_minus) {
573 len = 1;
574 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
575 } else {
576 #ifdef META8_OPTION
577 /* set 8-bit on */
578 if (meta && (meta_char == 0x80)) {
579 unsigned char *ch;
580
581 for (ch = kbuf; ch < kbuf + len; ch++)
582 *ch |= 0x80;
583 meta = 0;
584 }
585 #endif
586 #ifdef GREEK_SUPPORT
587 if (greek_mode)
588 len = greek_xlat(kbuf, len);
589 #endif
590 /* nil */ ;
591 }
592 }
593
594 if (len <= 0)
595 return; /* not mapped */
596
597 if (Options & Opt_scrollTtyKeypress)
598 if (TermWin.view_start) {
599 TermWin.view_start = 0;
600 want_refresh = 1;
601 }
602
603 /*
604 * these modifications only affect the static keybuffer
605 * pass Shift/Control indicators for function keys ending with `~'
606 *
607 * eg,
608 * Prior = "ESC[5~"
609 * Shift+Prior = "ESC[5$"
610 * Ctrl+Prior = "ESC[5^"
611 * Ctrl+Shift+Prior = "ESC[5@"
612 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
613 */
614 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
615 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
616
617 /* escape prefix */
618 if (meta
619 #ifdef META8_OPTION
620 && (meta_char == C0_ESC)
621 #endif
622 ) {
623 const unsigned char ch = C0_ESC;
624
625 tt_write(&ch, 1);
626 }
627 #ifdef DEBUG_CMD
628 if (debug_key) { /* Display keyboard buffer contents */
629 char *p;
630 int i;
631
632 fprintf(stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
633 for (i = 0, p = kbuf; i < len; i++, p++)
634 fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
635 fprintf(stderr, "'\n");
636 }
637 #endif /* DEBUG_CMD */
638 tt_write (kbuf, (unsigned int)len);
639 }
640 /*}}} */
641
642 #if (MENUBAR_MAX)
643 /*{{{ rxvt_cmd_write(), rxvt_cmd_getc() */
644 /* attempt to `write' count to the input buffer */
645 unsigned int
646 rxvt_term::cmd_write (const unsigned char *str, unsigned int count)
647 {
648 unsigned int n, s;
649
650 n = cmdbuf_ptr - cmdbuf_base;
651 s = cmdbuf_base + BUFSIZ - 1 - cmdbuf_endp;
652 if (n > 0 && s < count) {
653 MEMMOVE(cmdbuf_base, cmdbuf_ptr,
654 (unsigned int)(cmdbuf_endp - cmdbuf_ptr));
655 cmdbuf_ptr = cmdbuf_base;
656 cmdbuf_endp -= n;
657 s += n;
658 }
659 if (count > s) {
660 rxvt_print_error("data loss: cmd_write too large");
661 count = s;
662 }
663 for (; count--;)
664 *cmdbuf_endp++ = *str++;
665 return 0;
666 }
667 #endif /* MENUBAR_MAX */
668
669 void
670 rxvt_term::flush ()
671 {
672 #ifdef TRANSPARENT
673 if (want_full_refresh)
674 {
675 want_full_refresh = 0;
676 scr_clear ();
677 scr_touch (false);
678 want_refresh = 1;
679 }
680 #endif
681
682 if (want_refresh)
683 {
684 scr_refresh (refresh_type);
685 scrollbar_show (1);
686 #ifdef USE_XIM
687 IMSendSpot ();
688 #endif
689 }
690
691 XFlush (Xdisplay);
692 }
693
694 void
695 rxvt_term::check_cb (check_watcher &w)
696 {
697 SET_R (this);
698 SET_LOCALE (locale);
699
700 flush ();
701 }
702
703 void
704 rxvt_term::process_x_events ()
705 {
706 do
707 {
708 XEvent xev;
709
710 XNextEvent (Xdisplay, &xev);
711
712 #if defined(CURSOR_BLINK)
713 if ((Options & Opt_cursorBlink) && xev.type == KeyPress)
714 {
715 if (hidden_cursor)
716 {
717 hidden_cursor = 0;
718 want_refresh = 1;
719 }
720
721 cursor_blink_ev.start (NOW + BLINK_INTERVAL);
722 }
723 #endif
724
725 #if defined(POINTER_BLANK)
726 if ((Options & Opt_pointerBlank) && pointerBlankDelay > 0)
727 {
728 if (xev.type == MotionNotify
729 || xev.type == ButtonPress
730 || xev.type == ButtonRelease)
731 if (hidden_pointer)
732 pointer_unblank ();
733
734 if (xev.type == KeyPress && hidden_pointer == 0)
735 pointer_blank ();
736 }
737 #endif
738
739 #ifdef USE_XIM
740 if (!XFilterEvent (&xev, xev.xany.window))
741 #endif
742 process_x_event (&xev);
743 }
744 while (XPending (Xdisplay));
745 }
746
747 #ifdef CURSOR_BLINK
748 void
749 rxvt_term::cursor_blink_cb (time_watcher &w)
750 {
751 hidden_cursor = !hidden_cursor;
752 want_refresh = 1;
753
754 w.start (w.at + BLINK_INTERVAL);
755 }
756 #endif
757
758 #ifdef TEXT_BLINK
759 void
760 rxvt_term::text_blink_cb (time_watcher &w)
761 {
762 if (scr_refresh_rend (RS_Blink, RS_Blink))
763 {
764 hidden_text = !hidden_text;
765 want_refresh = 1;
766 w.start (w.at + TEXT_BLINK_INTERVAL);
767 }
768 }
769 #endif
770
771 void
772 rxvt_term::x_cb (io_watcher &w, short revents)
773 {
774 SET_R (this);
775 SET_LOCALE (locale);
776
777 process_x_events ();
778 }
779
780 bool
781 rxvt_term::pty_fill ()
782 {
783 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
784
785 memmove (cmdbuf_base, cmdbuf_ptr, n);
786 cmdbuf_ptr = cmdbuf_base;
787 cmdbuf_endp = cmdbuf_ptr + n;
788
789 n = read (cmd_fd, cmdbuf_endp, BUFSIZ - n);
790
791 if (n > 0)
792 {
793 cmdbuf_endp += n;
794 return true;
795 }
796 else if (n < 0 && errno != EAGAIN)
797 destroy ();
798
799 return false;
800 }
801
802 void
803 rxvt_term::pty_cb (io_watcher &w, short revents)
804 {
805 SET_R (this);
806 SET_LOCALE (locale);
807
808 if (revents & EVENT_WRITE)
809 tt_write (0, 0);
810 else if (revents & EVENT_READ)
811 {
812 bool flag = true;
813
814 // loop, but don't allow a single term to monopolize us
815 // the number of loops is fully arbitrary, and thus wrong
816 while (flag && pty_fill ())
817 {
818 if (!seen_input)
819 {
820 seen_input = 1;
821 /* once we know the shell is running, send the screen size. Again! */
822 tt_winch ();
823 }
824
825 uint32_t ch = NOCHAR;
826
827 for (;;)
828 {
829 if (ch == NOCHAR)
830 ch = next_char ();
831
832 if (ch == NOCHAR) // TODO: improve
833 break;
834
835 if (ch >= ' ' || ch == '\t' || ch == '\n' || ch == '\r')
836 {
837 /* Read a text string from the input buffer */
838 uint32_t buf[BUFSIZ];
839 bool refreshnow = false;
840 int nlines = 0;
841 uint32_t *str = buf;
842
843 *str++ = ch;
844
845 for (;;)
846 {
847 ch = next_char ();
848
849 if (ch == NOCHAR || (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\r'))
850 break;
851 else
852 {
853 *str++ = ch;
854
855 if (ch == '\n')
856 {
857 nlines++;
858 refresh_count++;
859
860 if (!(Options & Opt_jumpScroll)
861 || (refresh_count >= (refresh_limit * (TermWin.nrow - 1))))
862 {
863 refreshnow = true;
864 flag = false;
865 ch = NOCHAR;
866 break;
867 }
868 }
869
870 if (str >= buf + BUFSIZ)
871 {
872 ch = NOCHAR;
873 break;
874 }
875 }
876 }
877
878 scr_add_lines (buf, nlines, str - buf);
879
880 /*
881 * If there have been a lot of new lines, then update the screen
882 * What the heck I'll cheat and only refresh less than every page-full.
883 * the number of pages between refreshes is refresh_limit, which
884 * is incremented here because we must be doing flat-out scrolling.
885 *
886 * refreshing should be correct for small scrolls, because of the
887 * time-out
888 */
889 if (refreshnow)
890 {
891 if ((Options & Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
892 refresh_limit++;
893
894 scr_refresh (refresh_type);
895 }
896
897 }
898 else
899 {
900 switch (ch)
901 {
902 default:
903 process_nonprinting (ch);
904 break;
905 case C0_ESC: /* escape char */
906 process_escape_seq ();
907 break;
908 /*case 0x9b: */ /* CSI */
909 /* process_csi_seq (); */
910 }
911
912 ch = NOCHAR;
913 }
914 }
915 }
916 }
917 }
918
919 // read the next character, currently handles UTF-8
920 // will probably handle all sorts of other stuff in the future
921 uint32_t
922 rxvt_term::next_char ()
923 {
924 while (cmdbuf_ptr < cmdbuf_endp)
925 {
926 if (*cmdbuf_ptr < 0x80) // assume < 0x80 to be ascii ALWAYS (all shift-states etc.) uh-oh
927 return *cmdbuf_ptr++;
928
929 wchar_t wc;
930 size_t len = mbrtowc (&wc, (char *)cmdbuf_ptr, cmdbuf_endp - cmdbuf_ptr, &mbstate.mbs);
931
932 if (len == (size_t)-2)
933 return NOCHAR;
934
935 if (len == (size_t)-1)
936 return *cmdbuf_ptr++; // the _occasional_ latin1 character is allowed to slip through
937
938 // assume wchar == unicode
939 cmdbuf_ptr += len;
940 return wc;
941 }
942
943 return NOCHAR;
944 }
945
946 /* rxvt_cmd_getc() - Return next input character */
947 /*
948 * Return the next input character after first passing any keyboard input
949 * to the command.
950 */
951 uint32_t
952 rxvt_term::cmd_getc ()
953 {
954 for (;;)
955 {
956 uint32_t c = next_char ();
957 if (c != NOCHAR)
958 return c;
959
960 // incomplete sequences should occur rarely, still, a better solution
961 // would be preferred. either setjmp/longjmp or better design.
962 fcntl (cmd_fd, F_SETFL, 0);
963 pty_fill ();
964 fcntl (cmd_fd, F_SETFL, O_NONBLOCK);
965 }
966
967 #if 0
968 #define TIMEOUT_USEC 5000
969 fd_set readfds;
970 int quick_timeout, select_res;
971 int want_motion_time, want_keypress_time;
972 struct timeval value;
973 #if defined(POINTER_BLANK) || defined(CURSOR_BLINK)
974 struct timeval tp;
975 #endif
976
977 for (;;) {
978 /* loop until we can return something */
979
980 if (v_bufstr < v_bufptr) /* output any pending chars */
981 tt_write(NULL, 0);
982
983 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
984 if (mouse_slip_wheel_speed) {
985 quick_timeout = 1;
986 if (!mouse_slip_wheel_delay--
987 && scr_page (mouse_slip_wheel_speed > 0 ? UP : DN,
988 abs(mouse_slip_wheel_speed))) {
989 mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
990 refresh_type |= SMOOTH_REFRESH;
991 want_refresh = 1;
992 }
993 }
994 #endif /* MOUSE_WHEEL && MOUSE_SLIP_WHEELING */
995 #ifdef SELECTION_SCROLLING
996 if (pending_scroll_selection) {
997 quick_timeout = 1;
998 if (!scroll_selection_delay--
999 && scr_page (scroll_selection_dir,
1000 scroll_selection_lines)) {
1001 selection_extend (selection_save_x,
1002 selection_save_y, selection_save_state);
1003 scroll_selection_delay = SCROLLBAR_CONTINUOUS_DELAY;
1004 refresh_type |= SMOOTH_REFRESH;
1005 want_refresh = 1;
1006 }
1007 }
1008 #endif
1009 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1010 if (scrollbar_isUp() || scrollbar_isDn()) {
1011 quick_timeout = 1;
1012 if (!scroll_arrow_delay--
1013 && scr_page (scrollbar_isUp() ? UP : DN, 1)) {
1014 scroll_arrow_delay = SCROLLBAR_CONTINUOUS_DELAY;
1015 refresh_type |= SMOOTH_REFRESH;
1016 want_refresh = 1;
1017 }
1018 }
1019 #endif /* NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING */
1020
1021 #ifdef TRANSPARENT
1022 quick_timeout |= want_full_refresh;
1023 #endif
1024 #endif
1025 }
1026
1027 #ifdef POINTER_BLANK
1028 void
1029 rxvt_term::pointer_unblank ()
1030 {
1031 XDefineCursor (Xdisplay, TermWin.vt, TermWin_cursor);
1032 recolour_cursor ();
1033
1034 hidden_pointer = 0;
1035
1036 if (Options & Opt_pointerBlank)
1037 pointer_ev.start (NOW + pointerBlankDelay);
1038 }
1039
1040 void
1041 rxvt_term::pointer_blank ()
1042 {
1043 if (!(Options & Opt_pointerBlank))
1044 return;
1045
1046 XDefineCursor (Xdisplay, TermWin.vt, blank_cursor);
1047 XFlush (Xdisplay);
1048
1049 hidden_pointer = 1;
1050 }
1051
1052 void
1053 rxvt_term::pointer_cb (time_watcher &w)
1054 {
1055 SET_R (this);
1056 SET_LOCALE (locale);
1057
1058 pointer_blank ();
1059 }
1060 #endif
1061
1062 void
1063 rxvt_term::mouse_report (const XButtonEvent *ev)
1064 {
1065 int button_number, key_state = 0;
1066 int x, y;
1067
1068 x = ev->x;
1069 y = ev->y;
1070 pixel_position (&x, &y);
1071
1072 if (MEvent.button == AnyButton) {
1073 button_number = 3;
1074 } else {
1075 button_number = MEvent.button - Button1;
1076 /* add 0x3D for wheel events, like xterm does */
1077 if (button_number >= 3)
1078 button_number += (64 - 3);
1079 }
1080
1081 if (PrivateModes & PrivMode_MouseX10) {
1082 /*
1083 * do not report ButtonRelease
1084 * no state info allowed
1085 */
1086 key_state = 0;
1087 if (button_number == 3)
1088 return;
1089 } else {
1090 /* XTerm mouse reporting needs these values:
1091 * 4 = Shift
1092 * 8 = Meta
1093 * 16 = Control
1094 * plus will add in our own Double-Click reporting
1095 * 32 = Double Click
1096 */
1097 key_state = ((MEvent.state & ShiftMask) ? 4 : 0)
1098 + ((MEvent.state & ModMetaMask) ? 8 : 0)
1099 + ((MEvent.state & ControlMask) ? 16 : 0);
1100 #ifdef MOUSE_REPORT_DOUBLECLICK
1101 key_state += ((MEvent.clicks > 1) ? 32 : 0);
1102 #endif
1103 }
1104
1105 #ifdef DEBUG_MOUSEREPORT
1106 fprintf(stderr, "Mouse [");
1107 if (key_state & 16)
1108 fputc('C', stderr);
1109 if (key_state & 4)
1110 fputc('S', stderr);
1111 if (key_state & 8)
1112 fputc('A', stderr);
1113 if (key_state & 32)
1114 fputc('2', stderr);
1115 fprintf(stderr, "]: <%d>, %d/%d\n",
1116 button_number,
1117 x + 1,
1118 y + 1);
1119 #else
1120 tt_printf("\033[M%c%c%c",
1121 (32 + button_number + key_state),
1122 (32 + x + 1),
1123 (32 + y + 1));
1124 #endif
1125 }
1126
1127 #ifdef USING_W11LIB
1128 void
1129 rxvt_W11_process_x_event(XEvent *ev)
1130 {
1131 rxvt_t *r = rxvt_get_r();
1132
1133 process_x_event (ev);
1134 }
1135 #endif
1136
1137 /*{{{ process an X event */
1138 void
1139 rxvt_term::process_x_event (XEvent *ev)
1140 {
1141 Window unused_root, unused_child;
1142 int unused_root_x, unused_root_y;
1143 unsigned int unused_mask;
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 #endif
1185
1186 #ifdef DEBUG_X
1187 struct timeval tp;
1188 struct tm *ltt;
1189 (void)gettimeofday(&tp, NULL);
1190 ltt = localtime(&(tp.tv_sec));
1191 D_X((stderr, "Event: %-16s %-7s %08lx (%4d-%02d-%02d %02d:%02d:%02d.%.6ld) %s %lu", eventnames[ev->type], (ev->xany.window == TermWin.parent[0] ? "parent" : (ev->xany.window == TermWin.vt ? "vt" : (ev->xany.window == scrollBar.win ? "scroll" : (ev->xany.window == menuBar.win ? "menubar" : "UNKNOWN")))), (ev->xany.window == TermWin.parent[0] ? TermWin.parent[0] : (ev->xany.window == TermWin.vt ? TermWin.vt : (ev->xany.window == scrollBar.win ? scrollBar.win : (ev->xany.window == menuBar.win ? 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));
1192 #endif
1193
1194 switch (ev->type) {
1195 case KeyPress:
1196 lookup_key ((XKeyEvent *)ev);
1197 break;
1198
1199 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1200 case KeyRelease:
1201 {
1202 if (!(ev->xkey.state & ControlMask))
1203 mouse_slip_wheel_speed = 0;
1204 else {
1205 KeySym ks;
1206
1207 ks = XKeycodeToKeysym(Xdisplay, ev->xkey.keycode, 0);
1208 if (ks == XK_Control_L || ks == XK_Control_R)
1209 mouse_slip_wheel_speed = 0;
1210 }
1211 break;
1212 }
1213 #endif
1214
1215 case ButtonPress:
1216 button_press ((XButtonEvent *)ev);
1217 break;
1218
1219 case ButtonRelease:
1220 button_release ((XButtonEvent *)ev);
1221 break;
1222
1223 case ClientMessage:
1224 if (ev->xclient.format == 32
1225 && (Atom)ev->xclient.data.l[0] == xa[XA_WMDELETEWINDOW])
1226 destroy ();
1227 #ifdef OFFIX_DND
1228 /* OffiX Dnd (drag 'n' drop) protocol */
1229 else if (ev->xclient.message_type == xa[XA_DNDPROTOCOL]
1230 && (ev->xclient.data.l[0] == DndFile
1231 || ev->xclient.data.l[0] == DndDir
1232 || ev->xclient.data.l[0] == DndLink)) {
1233 /* Get Dnd data */
1234 Atom ActualType;
1235 int ActualFormat;
1236 unsigned char *data;
1237 unsigned long Size, RemainingBytes;
1238
1239 XGetWindowProperty(Xdisplay, Xroot,
1240 xa[XA_DNDSELECTION],
1241 0L, 1000000L,
1242 False, AnyPropertyType,
1243 &ActualType, &ActualFormat,
1244 &Size, &RemainingBytes,
1245 &data);
1246 XChangeProperty(Xdisplay, Xroot,
1247 XA_CUT_BUFFER0, XA_STRING,
1248 8, PropModeReplace,
1249 data, STRLEN(data));
1250 selection_paste (Xroot, XA_CUT_BUFFER0, True);
1251 XSetInputFocus(Xdisplay, Xroot, RevertToNone, CurrentTime);
1252 }
1253 #endif /* OFFIX_DND */
1254 break;
1255
1256 case MappingNotify:
1257 XRefreshKeyboardMapping(&(ev->xmapping));
1258 break;
1259
1260 /*
1261 * XXX: this is not the _current_ arrangement
1262 * Here's my conclusion:
1263 * If the window is completely unobscured, use bitblt's
1264 * to scroll. Even then, they're only used when doing partial
1265 * screen scrolling. When partially obscured, we have to fill
1266 * in the GraphicsExpose parts, which means that after each refresh,
1267 * we need to wait for the graphics expose or Noexpose events,
1268 * which ought to make things real slow!
1269 */
1270 case VisibilityNotify:
1271 switch (ev->xvisibility.state)
1272 {
1273 case VisibilityUnobscured:
1274 refresh_type = FAST_REFRESH;
1275 break;
1276 case VisibilityPartiallyObscured:
1277 refresh_type = SLOW_REFRESH;
1278 break;
1279 default:
1280 refresh_type = NO_REFRESH;
1281 break;
1282 }
1283 break;
1284
1285 case FocusIn:
1286 if (!TermWin.focus) {
1287 TermWin.focus = 1;
1288 want_refresh = 1;
1289 #ifdef USE_XIM
1290 if (Input_Context != NULL)
1291 XSetICFocus(Input_Context);
1292 #endif
1293 #ifdef CURSOR_BLINK
1294 if (Options & Opt_cursorBlink)
1295 cursor_blink_ev.start (NOW + BLINK_INTERVAL);
1296 #endif
1297 }
1298 break;
1299
1300 case FocusOut:
1301 if (TermWin.focus) {
1302 TermWin.focus = 0;
1303 want_refresh = 1;
1304 #ifdef USE_XIM
1305 if (Input_Context != NULL)
1306 XUnsetICFocus(Input_Context);
1307 #endif
1308 #ifdef CURSOR_BLINK
1309 if (Options & Opt_cursorBlink)
1310 cursor_blink_ev.stop ();
1311 hidden_cursor = 0;
1312 #endif
1313 }
1314 break;
1315
1316 case ConfigureNotify:
1317 if (ev->xconfigure.window == TermWin.parent[0]) {
1318 int height, width;
1319
1320 do { /* Wrap lots of configures into one */
1321 width = ev->xconfigure.width;
1322 height = ev->xconfigure.height;
1323 D_SIZE((stderr, "Size: ConfigureNotify: %4d x %4d", width, height));
1324 } while (XCheckTypedWindowEvent(Xdisplay, ev->xconfigure.window,
1325 ConfigureNotify, ev));
1326 if (szHint.width != width || szHint.height != height) {
1327 D_SIZE((stderr, "Size: Resizing from: %4d x %4d", szHint.width, szHint.height));
1328 resize_all_windows (width, height, 1);
1329 }
1330 #ifdef DEBUG_SIZE
1331 else {
1332 D_SIZE((stderr, "Size: Not resizing"));
1333 }
1334 #endif
1335 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1336 if (Options & Opt_transparent) {
1337 check_our_parents ();
1338 if (am_transparent)
1339 want_full_refresh = 1;
1340 }
1341 #endif
1342 }
1343 break;
1344
1345 case SelectionClear:
1346 selection_clear ();
1347 break;
1348
1349 case SelectionNotify:
1350 if (selection_wait == Sel_normal)
1351 selection_paste (ev->xselection.requestor,
1352 ev->xselection.property, True);
1353 break;
1354
1355 case SelectionRequest:
1356 selection_send (&(ev->xselectionrequest));
1357 break;
1358
1359 case UnmapNotify:
1360 TermWin.mapped = 0;
1361 #ifdef TEXT_BLINK
1362 text_blink_ev.stop ();
1363 #endif
1364 break;
1365
1366 case MapNotify:
1367 TermWin.mapped = 1;
1368 #ifdef TEXT_BLINK
1369 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);
1370 #endif
1371 break;
1372
1373 case PropertyNotify:
1374 if (ev->xproperty.atom == xa[XA_VT_SELECTION]) {
1375 if (ev->xproperty.state == PropertyNewValue)
1376 selection_property (ev->xproperty.window,
1377 ev->xproperty.atom);
1378 break;
1379 }
1380 #ifdef TRANSPARENT
1381 /*
1382 * if user used some Esetroot compatible prog to set the root bg,
1383 * use the property to determine the pixmap. We use it later on.
1384 */
1385 if (xa[XA_XROOTPMAPID] == 0)
1386 xa[XA_XROOTPMAPID] = XInternAtom(Xdisplay,
1387 "_XROOTPMAP_ID", False);
1388 if (ev->xproperty.atom != xa[XA_XROOTPMAPID])
1389 break;
1390 /* FALLTHROUGH */
1391 case ReparentNotify:
1392 if ((Options & Opt_transparent) && check_our_parents ()) {
1393 if (am_transparent)
1394 want_full_refresh = 1;
1395 }
1396 #endif /* TRANSPARENT */
1397 break;
1398
1399 case GraphicsExpose:
1400 case Expose:
1401 if (ev->xany.window == TermWin.vt) {
1402 #ifdef NO_SLOW_LINK_SUPPORT
1403 scr_expose (ev->xexpose.x, ev->xexpose.y,
1404 ev->xexpose.width, ev->xexpose.height, False);
1405 #else
1406 // don't understand this, so commented it out
1407 scr_expose (ev->xexpose.x, ev->xexpose.y,
1408 ev->xexpose.width, ev->xexpose.height, False);
1409 //scr_expose (ev->xexpose.x, 0,
1410 // ev->xexpose.width, TermWin.height, False);
1411 #endif
1412 want_refresh = 1;
1413 } else {
1414 XEvent unused_xevent;
1415
1416 while (XCheckTypedWindowEvent(Xdisplay, ev->xany.window,
1417 Expose,
1418 &unused_xevent)) ;
1419 while (XCheckTypedWindowEvent(Xdisplay, ev->xany.window,
1420 GraphicsExpose,
1421 &unused_xevent)) ;
1422 if (isScrollbarWindow(ev->xany.window)) {
1423 scrollBar.setIdle();
1424 scrollbar_show (0);
1425 }
1426 #ifdef MENUBAR
1427 if (menubar_visible () && isMenuBarWindow(ev->xany.window))
1428 menubar_expose ();
1429 #endif
1430 #ifdef RXVT_GRAPHICS
1431 Gr_expose (ev->xany.window);
1432 #endif
1433 }
1434 break;
1435
1436 case MotionNotify:
1437 #ifdef POINTER_BLANK
1438 if (hidden_pointer)
1439 pointer_unblank ();
1440 #endif
1441 #if MENUBAR
1442 if (isMenuBarWindow(ev->xany.window)) {
1443 menubar_control (&(ev->xbutton));
1444 break;
1445 }
1446 #endif
1447 if ((PrivateModes & PrivMode_mouse_report) && !(bypass_keystate))
1448 break;
1449
1450 if (ev->xany.window == TermWin.vt) {
1451 if ((ev->xbutton.state & (Button1Mask | Button3Mask))) {
1452 while (XCheckTypedWindowEvent(Xdisplay, TermWin.vt,
1453 MotionNotify, ev)) ;
1454 XQueryPointer(Xdisplay, TermWin.vt,
1455 &unused_root, &unused_child,
1456 &unused_root_x, &unused_root_y,
1457 &(ev->xbutton.x), &(ev->xbutton.y),
1458 &unused_mask);
1459 #ifdef MOUSE_THRESHOLD
1460 /* deal with a `jumpy' mouse */
1461 if ((ev->xmotion.time - MEvent.time) > MOUSE_THRESHOLD) {
1462 #endif
1463 selection_extend ((ev->xbutton.x), (ev->xbutton.y),
1464 (ev->xbutton.state & Button3Mask) ? 2 : 0);
1465 #ifdef SELECTION_SCROLLING
1466 if (ev->xbutton.y < TermWin.int_bwidth
1467 || Pixel2Row(ev->xbutton.y) > (TermWin.nrow-1)) {
1468 int dist;
1469
1470 pending_scroll_selection=1;
1471
1472 /* don't clobber the current delay if we are
1473 * already in the middle of scrolling.
1474 */
1475 if (scroll_selection_delay<=0)
1476 scroll_selection_delay=SCROLLBAR_CONTINUOUS_DELAY;
1477
1478 /* save the event params so we can highlight
1479 * the selection in the pending-scroll loop
1480 */
1481 selection_save_x=ev->xbutton.x;
1482 selection_save_y=ev->xbutton.y;
1483 selection_save_state=
1484 (ev->xbutton.state & Button3Mask) ? 2 : 0;
1485
1486 /* calc number of lines to scroll */
1487 if (ev->xbutton.y<TermWin.int_bwidth) {
1488 scroll_selection_dir = UP;
1489 dist = TermWin.int_bwidth - ev->xbutton.y;
1490 }
1491 else {
1492 scroll_selection_dir = DN;
1493 dist = ev->xbutton.y -
1494 (TermWin.int_bwidth + TermWin.height);
1495 }
1496 scroll_selection_lines=(Pixel2Height(dist)/
1497 SELECTION_SCROLL_LINE_SPEEDUP)+1;
1498 MIN_IT(scroll_selection_lines,
1499 SELECTION_SCROLL_MAX_LINES);
1500 }
1501 else {
1502 /* we are within the text window, so we
1503 * shouldn't be scrolling
1504 */
1505 pending_scroll_selection = 0;
1506 }
1507 #endif
1508 #ifdef MOUSE_THRESHOLD
1509 }
1510 #endif
1511 }
1512 } else if (isScrollbarWindow(ev->xany.window) && scrollbar_isMotion()) {
1513 while (XCheckTypedWindowEvent(Xdisplay, scrollBar.win,
1514 MotionNotify, ev)) ;
1515 XQueryPointer(Xdisplay, scrollBar.win,
1516 &unused_root, &unused_child,
1517 &unused_root_x, &unused_root_y,
1518 &(ev->xbutton.x), &(ev->xbutton.y),
1519 &unused_mask);
1520 scr_move_to (scrollbar_position(ev->xbutton.y) - csrO,
1521 scrollbar_size());
1522 scr_refresh (refresh_type);
1523 refresh_limit = 0;
1524 scrollbar_show (1);
1525 }
1526 break;
1527 }
1528 }
1529
1530 void
1531 rxvt_term::button_press (XButtonEvent *ev)
1532 {
1533 int reportmode = 0, clickintime;
1534
1535 bypass_keystate = ev->state & (ModMetaMask | ShiftMask);
1536 if (!bypass_keystate)
1537 reportmode = !!(PrivateModes & PrivMode_mouse_report);
1538 /*
1539 * VT window processing of button press
1540 */
1541 if (ev->window == TermWin.vt)
1542 {
1543 #if RXVT_GRAPHICS
1544 if (ev->subwindow != None)
1545 rxvt_Gr_ButtonPress (ev->x, ev->y);
1546 else
1547 #endif
1548 {
1549 clickintime = ev->time - MEvent.time < MULTICLICK_TIME;
1550 if (reportmode)
1551 {
1552 /* mouse report from vt window */
1553 /* save the xbutton state (for ButtonRelease) */
1554 MEvent.state = ev->state;
1555 #ifdef MOUSE_REPORT_DOUBLECLICK
1556 if (ev->button == MEvent.button && clickintime)
1557 {
1558 /* same button, within alloted time */
1559 MEvent.clicks++;
1560 if (MEvent.clicks > 1)
1561 {
1562 /* only report double clicks */
1563 MEvent.clicks = 2;
1564 mouse_report (ev);
1565
1566 /* don't report the release */
1567 MEvent.clicks = 0;
1568 MEvent.button = AnyButton;
1569 }
1570 }
1571 else
1572 {
1573 /* different button, or time expired */
1574 MEvent.clicks = 1;
1575 MEvent.button = ev->button;
1576 mouse_report (ev);
1577 }
1578 #else
1579 MEvent.button = ev->button;
1580 mouse_report (ev);
1581 #endif /* MOUSE_REPORT_DOUBLECLICK */
1582 }
1583 else
1584 {
1585 if (ev->button != MEvent.button)
1586 MEvent.clicks = 0;
1587 switch (ev->button)
1588 {
1589 case Button1:
1590 /* allow shift+left click to extend selection */
1591 if (ev->state & ShiftMask && !(PrivateModes & PrivMode_mouse_report))
1592 {
1593 if (MEvent.button == Button1 && clickintime)
1594 selection_rotate (ev->x, ev->y);
1595 else
1596 selection_extend (ev->x, ev->y, 1);
1597 }
1598 else
1599 {
1600 if (MEvent.button == Button1 && clickintime)
1601 MEvent.clicks++;
1602 else
1603 MEvent.clicks = 1;
1604
1605 selection_click (MEvent.clicks, ev->x, ev->y);
1606 }
1607
1608 MEvent.button = Button1;
1609 break;
1610
1611 case Button3:
1612 if (MEvent.button == Button3 && clickintime)
1613 selection_rotate (ev->x, ev->y);
1614 else
1615 selection_extend (ev->x, ev->y, 1);
1616 MEvent.button = Button3;
1617 break;
1618 }
1619 }
1620 MEvent.time = ev->time;
1621 return;
1622 }
1623 }
1624
1625 /*
1626 * Scrollbar window processing of button press
1627 */
1628 if (isScrollbarWindow(ev->window))
1629 {
1630 scrollBar.setIdle ();
1631 /*
1632 * Rxvt-style scrollbar:
1633 * move up if mouse is above slider
1634 * move dn if mouse is below slider
1635 *
1636 * XTerm-style scrollbar:
1637 * Move display proportional to pointer location
1638 * pointer near top -> scroll one line
1639 * pointer near bot -> scroll full page
1640 */
1641 #ifndef NO_SCROLLBAR_REPORT
1642 if (reportmode) {
1643 /*
1644 * Mouse report disabled scrollbar:
1645 * arrow buttons - send up/down
1646 * click on scrollbar - send pageup/down
1647 */
1648 if ((scrollBar.style == R_SB_NEXT
1649 && scrollbarnext_upButton(ev->y))
1650 || (scrollBar.style == R_SB_RXVT
1651 && scrollbarrxvt_upButton(ev->y)))
1652 tt_printf("\033[A");
1653 else if ((scrollBar.style == R_SB_NEXT
1654 && scrollbarnext_dnButton(ev->y))
1655 || (scrollBar.style == R_SB_RXVT
1656 && scrollbarrxvt_dnButton(ev->y)))
1657 tt_printf("\033[B");
1658 else
1659 switch (ev->button) {
1660 case Button2:
1661 tt_printf("\014");
1662 break;
1663 case Button1:
1664 tt_printf("\033[6~");
1665 break;
1666 case Button3:
1667 tt_printf("\033[5~");
1668 break;
1669 }
1670 }
1671 else
1672 #endif /* NO_SCROLLBAR_REPORT */
1673 {
1674 char upordown = 0;
1675
1676 if (scrollBar.style == R_SB_NEXT) {
1677 if (scrollbarnext_upButton(ev->y))
1678 upordown = -1; /* up */
1679 else if (scrollbarnext_dnButton(ev->y))
1680 upordown = 1; /* down */
1681 } else if (scrollBar.style == R_SB_RXVT) {
1682 if (scrollbarrxvt_upButton(ev->y))
1683 upordown = -1; /* up */
1684 else if (scrollbarrxvt_dnButton(ev->y))
1685 upordown = 1; /* down */
1686 }
1687 if (upordown) {
1688 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1689 scroll_arrow_delay = SCROLLBAR_INITIAL_DELAY;
1690 #endif
1691 if (scr_page (upordown < 0 ? UP : DN, 1)) {
1692 if (upordown < 0)
1693 scrollBar.setUp ();
1694 else
1695 scrollBar.setDn ();
1696 }
1697 } else
1698 switch (ev->button) {
1699 case Button2:
1700 switch (scrollbar_align) {
1701 case R_SB_ALIGN_TOP:
1702 csrO = 0;
1703 break;
1704 case R_SB_ALIGN_CENTRE:
1705 csrO = (scrollBar.bot - scrollBar.top) / 2;
1706 break;
1707 case R_SB_ALIGN_BOTTOM:
1708 csrO = scrollBar.bot - scrollBar.top;
1709 break;
1710 }
1711 if (scrollBar.style == R_SB_XTERM
1712 || scrollbar_above_slider(ev->y)
1713 || scrollbar_below_slider(ev->y))
1714 scr_move_to ( scrollbar_position(ev->y) - csrO,
1715 scrollbar_size());
1716 scrollBar.setMotion ();
1717 break;
1718
1719 case Button1:
1720 if (scrollbar_align == R_SB_ALIGN_CENTRE)
1721 csrO = ev->y - scrollBar.top;
1722 /* FALLTHROUGH */
1723
1724 case Button3:
1725 if (scrollBar.style != R_SB_XTERM) {
1726 if (scrollbar_above_slider(ev->y))
1727 # ifdef RXVT_SCROLL_FULL
1728 scr_page (UP, TermWin.nrow - 1);
1729 # else
1730 scr_page (UP, TermWin.nrow / 4);
1731 # endif
1732 else if (scrollbar_below_slider(ev->y))
1733 # ifdef RXVT_SCROLL_FULL
1734 scr_page (DN, TermWin.nrow - 1);
1735 # else
1736 scr_page (DN, TermWin.nrow / 4);
1737 # endif
1738 else
1739 scrollBar.setMotion ();
1740 } else {
1741 scr_page ((ev->button == Button1 ? DN : UP),
1742 (TermWin.nrow
1743 * scrollbar_position(ev->y)
1744 / scrollbar_size()));
1745 }
1746 break;
1747 }
1748 }
1749 return;
1750 }
1751 #if MENUBAR
1752 /*
1753 * Menubar window processing of button press
1754 */
1755 if (isMenuBarWindow(ev->window))
1756 menubar_control (ev);
1757 #endif
1758 }
1759
1760 void
1761 rxvt_term::button_release (XButtonEvent *ev)
1762 {
1763 int reportmode = 0;
1764
1765 csrO = 0; /* reset csr Offset */
1766 if (!bypass_keystate)
1767 reportmode = !!(PrivateModes & PrivMode_mouse_report);
1768
1769 if (scrollbar_isUpDn()) {
1770 scrollBar.setIdle ();
1771 scrollbar_show (0);
1772 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1773 refresh_type &= ~SMOOTH_REFRESH;
1774 #endif
1775 }
1776 #ifdef SELECTION_SCROLLING
1777 pending_scroll_selection=0;
1778 #endif
1779 if (ev->window == TermWin.vt)
1780 {
1781 #ifdef RXVT_GRAPHICS
1782 if (ev->subwindow != None)
1783 rxvt_Gr_ButtonRelease(ev->x, ev->y);
1784 else
1785 #endif
1786 {
1787 if (reportmode)
1788 {
1789 /* mouse report from vt window */
1790 /* don't report release of wheel "buttons" */
1791 if (ev->button >= 4)
1792 return;
1793 #ifdef MOUSE_REPORT_DOUBLECLICK
1794 /* only report the release of 'slow' single clicks */
1795 if (MEvent.button != AnyButton
1796 && (ev->button != MEvent.button
1797 || (ev->time - MEvent.time
1798 > MULTICLICK_TIME / 2)))
1799 {
1800 MEvent.clicks = 0;
1801 MEvent.button = AnyButton;
1802 mouse_report (ev);
1803 }
1804 #else /* MOUSE_REPORT_DOUBLECLICK */
1805 MEvent.button = AnyButton;
1806 mouse_report (ev);
1807 #endif /* MOUSE_REPORT_DOUBLECLICK */
1808 return;
1809 }
1810 /*
1811 * dumb hack to compensate for the failure of click-and-drag
1812 * when overriding mouse reporting
1813 */
1814 if (PrivateModes & PrivMode_mouse_report
1815 && bypass_keystate
1816 && ev->button == Button1 && MEvent.clicks <= 1)
1817 selection_extend (ev->x, ev->y, 0);
1818
1819 switch (ev->button) {
1820 case Button1:
1821 case Button3:
1822 selection_make (ev->time);
1823 break;
1824 case Button2:
1825 selection_request (ev->time, ev->x, ev->y);
1826 break;
1827 #ifdef MOUSE_WHEEL
1828 case Button4:
1829 case Button5:
1830 {
1831 int i;
1832 page_dirn v;
1833
1834 v = (ev->button == Button4) ? UP : DN;
1835 if (ev->state & ShiftMask)
1836 i = 1;
1837 else if ((Options & Opt_mouseWheelScrollPage))
1838 i = TermWin.nrow - 1;
1839 else
1840 i = 5;
1841 # ifdef MOUSE_SLIP_WHEELING
1842 if (ev->state & ControlMask)
1843 {
1844 mouse_slip_wheel_speed += (v ? -1 : 1);
1845 mouse_slip_wheel_delay = SCROLLBAR_CONTINUOUS_DELAY;
1846 }
1847 # endif
1848 # ifdef JUMP_MOUSE_WHEEL
1849 scr_page (v, i);
1850 scr_refresh (SMOOTH_REFRESH);
1851 scrollbar_show (1);
1852 # else
1853 while (i--)
1854 {
1855 scr_page (v, 1);
1856 scr_refresh (SMOOTH_REFRESH);
1857 scrollbar_show (1);
1858 }
1859 # endif
1860 }
1861 break;
1862 #endif
1863 }
1864 }
1865 }
1866 #ifdef MENUBAR
1867 else if (isMenuBarWindow(ev->window))
1868 menubar_control (ev);
1869 #endif
1870 }
1871
1872
1873 #ifdef TRANSPARENT
1874 /*
1875 * Check our parents are still who we think they are.
1876 * Do transparency updates if required
1877 */
1878 int
1879 rxvt_term::check_our_parents ()
1880 {
1881 int i, pchanged, aformat, have_pixmap, rootdepth;
1882 unsigned long nitems, bytes_after;
1883 Atom atype;
1884 unsigned char *prop = NULL;
1885 Window root, oldp, *list;
1886 Pixmap rootpixmap = None;
1887 XWindowAttributes wattr, wrootattr;
1888
1889 pchanged = 0;
1890
1891 if (!(Options & Opt_transparent))
1892 return pchanged; /* Don't try any more */
1893
1894 XGetWindowAttributes(Xdisplay, Xroot, &wrootattr);
1895 rootdepth = wrootattr.depth;
1896
1897 XGetWindowAttributes(Xdisplay, TermWin.parent[0], &wattr);
1898 if (rootdepth != wattr.depth) {
1899 if (am_transparent) {
1900 pchanged = 1;
1901 XSetWindowBackground(Xdisplay, TermWin.vt,
1902 PixColors[Color_bg]);
1903 am_transparent = am_pixmap_trans = 0;
1904 }
1905 return pchanged; /* Don't try any more */
1906 }
1907
1908 /* Get all X ops out of the queue so that our information is up-to-date. */
1909 XSync(Xdisplay, False);
1910
1911 /*
1912 * Make the frame window set by the window manager have
1913 * the root background. Some window managers put multiple nested frame
1914 * windows for each client, so we have to take care about that.
1915 */
1916 i = (xa[XA_XROOTPMAPID] != 0
1917 && (XGetWindowProperty(Xdisplay, Xroot, xa[XA_XROOTPMAPID],
1918 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1919 &nitems, &bytes_after, &prop) == Success));
1920 if (!i || prop == NULL)
1921 have_pixmap = 0;
1922 else {
1923 have_pixmap = 1;
1924 rootpixmap = *((Pixmap *)prop);
1925 XFree(prop);
1926 }
1927 if (have_pixmap) {
1928 /*
1929 * Copy Xroot pixmap transparency
1930 */
1931 int sx, sy, nx, ny;
1932 unsigned int nw, nh;
1933 Window cr;
1934 XImage *image;
1935 GC gc;
1936 XGCValues gcvalue;
1937
1938 XTranslateCoordinates(Xdisplay, TermWin.parent[0], Xroot,
1939 0, 0, &sx, &sy, &cr);
1940 nw = (unsigned int)szHint.width;
1941 nh = (unsigned int)szHint.height;
1942 nx = ny = 0;
1943 if (sx < 0) {
1944 nw += sx;
1945 nx = -sx;
1946 sx = 0;
1947 }
1948 if (sy < 0) {
1949 nh += sy;
1950 ny = -sy;
1951 sy = 0;
1952 }
1953 MIN_IT(nw, (unsigned int)(wrootattr.width - sx));
1954 MIN_IT(nh, (unsigned int)(wrootattr.height - sy));
1955 allowedxerror = -1;
1956 image = XGetImage(Xdisplay, rootpixmap, sx, sy, nw, nh, AllPlanes,
1957 ZPixmap);
1958 /* XXX: handle BadMatch - usually because we're outside the pixmap */
1959 /* XXX: may need a delay here? */
1960 allowedxerror = 0;
1961 if (image == NULL) {
1962 if (am_transparent && am_pixmap_trans) {
1963 pchanged = 1;
1964 if (TermWin.pixmap != None) {
1965 XFreePixmap(Xdisplay, TermWin.pixmap);
1966 TermWin.pixmap = None;
1967 }
1968 }
1969 am_pixmap_trans = 0;
1970 } else {
1971 if (TermWin.pixmap != None)
1972 XFreePixmap(Xdisplay, TermWin.pixmap);
1973 TermWin.pixmap = XCreatePixmap(Xdisplay, TermWin.vt,
1974 (unsigned int)szHint.width,
1975 (unsigned int)szHint.height,
1976 (unsigned int)image->depth);
1977 gc = XCreateGC(Xdisplay, TermWin.vt, 0UL, &gcvalue);
1978 XPutImage(Xdisplay, TermWin.pixmap, gc, image, 0, 0,
1979 nx, ny, (unsigned int)image->width,
1980 (unsigned int)image->height);
1981 XFreeGC(Xdisplay, gc);
1982 XDestroyImage(image);
1983 XSetWindowBackgroundPixmap(Xdisplay, TermWin.vt,
1984 TermWin.pixmap);
1985 if (!am_transparent || !am_pixmap_trans)
1986 pchanged = 1;
1987 am_transparent = am_pixmap_trans = 1;
1988 }
1989 }
1990 if (!am_pixmap_trans) {
1991 unsigned int n;
1992 /*
1993 * InheritPixmap transparency
1994 */
1995 D_X((stderr, "InheritPixmap Seeking to %08lx", Xroot));
1996 for (i = 1; i < (int)(sizeof(TermWin.parent) / sizeof(Window));
1997 i++) {
1998 oldp = TermWin.parent[i];
1999 XQueryTree(Xdisplay, TermWin.parent[i - 1], &root,
2000 &TermWin.parent[i], &list, &n);
2001 XFree(list);
2002 D_X((stderr, "InheritPixmap Parent[%d] = %08lx", i, TermWin.parent[i]));
2003 if (TermWin.parent[i] == Xroot) {
2004 if (oldp != None)
2005 pchanged = 1;
2006 break;
2007 }
2008 if (oldp != TermWin.parent[i])
2009 pchanged = 1;
2010 }
2011 n = 0;
2012 if (pchanged) {
2013 for (; n < (unsigned int)i; n++) {
2014 XGetWindowAttributes(Xdisplay, TermWin.parent[n], &wattr);
2015 D_X((stderr, "InheritPixmap Checking Parent[%d]: %s", n, (wattr.depth == rootdepth && wattr.class != InputOnly) ? "OK" : "FAIL"));
2016 if (wattr.depth != rootdepth || wattr.c_class == InputOnly) {
2017 n = (int)(sizeof(TermWin.parent) / sizeof(Window)) + 1;
2018 break;
2019 }
2020 }
2021 }
2022 if (n > (int)(sizeof(TermWin.parent)
2023 / sizeof(TermWin.parent[0]))) {
2024 D_X((stderr, "InheritPixmap Turning off"));
2025 XSetWindowBackground(Xdisplay, TermWin.parent[0],
2026 PixColors[Color_fg]);
2027 XSetWindowBackground(Xdisplay, TermWin.vt,
2028 PixColors[Color_bg]);
2029 am_transparent = 0;
2030 /* XXX: also turn off Opt_transparent? */
2031 } else {
2032 /* wait (an arbitrary period) for the WM to do its thing
2033 * needed for fvwm2.2.2 (and before?) */
2034 # ifdef HAVE_NANOSLEEP
2035 struct timespec rqt;
2036
2037 rqt.tv_sec = 1;
2038 rqt.tv_nsec = 0;
2039 nanosleep(&rqt, NULL);
2040 # else
2041 sleep(1);
2042 # endif
2043 D_X((stderr, "InheritPixmap Turning on (%d parents)", i - 1));
2044 for (n = 0; n < (unsigned int)i; n++)
2045 XSetWindowBackgroundPixmap(Xdisplay, TermWin.parent[n],
2046 ParentRelative);
2047 XSetWindowBackgroundPixmap(Xdisplay, TermWin.vt,
2048 ParentRelative);
2049 am_transparent = 1;
2050 }
2051 for (; i < (int)(sizeof(TermWin.parent) / sizeof(Window)); i++)
2052 TermWin.parent[i] = None;
2053 }
2054 return pchanged;
2055 }
2056 #endif
2057
2058 /*}}} */
2059
2060 /*{{{ print pipe */
2061 /*----------------------------------------------------------------------*/
2062 #ifdef PRINTPIPE
2063 FILE *
2064 rxvt_term::popen_printer ()
2065 {
2066 FILE *stream = popen(rs[Rs_print_pipe], "w");
2067
2068 if (stream == NULL)
2069 rxvt_print_error("can't open printer pipe");
2070 return stream;
2071 }
2072
2073 int
2074 rxvt_term::pclose_printer (FILE *stream)
2075 {
2076 fflush (stream);
2077 /* pclose() reported not to work on SunOS 4.1.3 */
2078 # if defined (__sun__) /* TODO: RESOLVE THIS */
2079 /* pclose works provided SIGCHLD handler uses waitpid */
2080 return pclose (stream); /* return fclose (stream); */
2081 # else
2082 return pclose (stream);
2083 # endif
2084 }
2085
2086 /*
2087 * simulate attached vt100 printer
2088 */
2089 void
2090 rxvt_term::process_print_pipe ()
2091 {
2092 int done;
2093 FILE *fd;
2094
2095 if ((fd = popen_printer ()) == NULL)
2096 return;
2097
2098 /*
2099 * Send all input to the printer until either ESC[4i or ESC[?4i
2100 * is received.
2101 */
2102 for (done = 0; !done;) {
2103 unsigned char buf[8];
2104 unsigned char ch;
2105 unsigned int i, len;
2106
2107 if ((ch = cmd_getc ()) != C0_ESC) {
2108 if (putc(ch, fd) == EOF)
2109 break; /* done = 1 */
2110 } else {
2111 len = 0;
2112 buf[len++] = ch;
2113
2114 if ((buf[len++] = cmd_getc ()) == '[') {
2115 if ((ch = cmd_getc ()) == '?') {
2116 buf[len++] = '?';
2117 ch = cmd_getc ();
2118 }
2119 if ((buf[len++] = ch) == '4') {
2120 if ((buf[len++] = cmd_getc ()) == 'i')
2121 break; /* done = 1 */
2122 }
2123 }
2124 for (i = 0; i < len; i++)
2125 if (putc(buf[i], fd) == EOF) {
2126 done = 1;
2127 break;
2128 }
2129 }
2130 }
2131 pclose_printer (fd);
2132 }
2133 #endif /* PRINTPIPE */
2134 /*}}} */
2135
2136 /* *INDENT-OFF* */
2137 enum {
2138 C1_40 = 0x40,
2139 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
2140 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
2141 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
2142 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC
2143 };
2144 /* *INDENT-ON* */
2145
2146 /*{{{ process non-printing single characters */
2147 void
2148 rxvt_term::process_nonprinting (unsigned char ch)
2149 {
2150 switch (ch) {
2151 case C0_ENQ: /* terminal Status */
2152 if (rs[Rs_answerbackstring])
2153 tt_write(
2154 (const unsigned char *)rs[Rs_answerbackstring],
2155 (unsigned int)STRLEN(rs[Rs_answerbackstring]));
2156 else
2157 tt_write((unsigned char *)VT100_ANS,
2158 (unsigned int)STRLEN(VT100_ANS));
2159 break;
2160 case C0_BEL: /* bell */
2161 scr_bell ();
2162 break;
2163 case C0_BS: /* backspace */
2164 scr_backspace ();
2165 break;
2166 case C0_HT: /* tab */
2167 scr_tab (1);
2168 break;
2169 case C0_CR: /* carriage return */
2170 scr_gotorc (0, 0, R_RELATIVE);
2171 break;
2172 case C0_VT: /* vertical tab, form feed */
2173 case C0_FF:
2174 case C0_LF: /* line feed */
2175 scr_index (UP);
2176 break;
2177 case C0_SO: /* shift out - acs */
2178 scr_charset_choose (1);
2179 break;
2180 case C0_SI: /* shift in - acs */
2181 scr_charset_choose (0);
2182 break;
2183 }
2184 }
2185 /*}}} */
2186
2187
2188 /*{{{ process VT52 escape sequences */
2189 void
2190 rxvt_term::process_escape_vt52 (unsigned char ch)
2191 {
2192 int row, col;
2193
2194 switch (ch) {
2195 case 'A': /* cursor up */
2196 scr_gotorc (-1, 0, R_RELATIVE | C_RELATIVE);
2197 break;
2198 case 'B': /* cursor down */
2199 scr_gotorc (1, 0, R_RELATIVE | C_RELATIVE);
2200 break;
2201 case 'C': /* cursor right */
2202 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
2203 break;
2204 case 'D': /* cursor left */
2205 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
2206 break;
2207 case 'H': /* cursor home */
2208 scr_gotorc (0, 0, 0);
2209 break;
2210 case 'I': /* cursor up and scroll down if needed */
2211 scr_index (DN);
2212 break;
2213 case 'J': /* erase to end of screen */
2214 scr_erase_screen (0);
2215 break;
2216 case 'K': /* erase to end of line */
2217 scr_erase_line (0);
2218 break;
2219 case 'Y': /* move to specified row and col */
2220 /* full command is 'ESC Y row col' where row and col
2221 * are encoded by adding 32 and sending the ascii
2222 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
2223 * etc. */
2224 row = cmd_getc () - ' ';
2225 col = cmd_getc () - ' ';
2226 scr_gotorc (row, col, 0);
2227 break;
2228 case 'Z': /* identify the terminal type */
2229 tt_printf("\033/Z"); /* I am a VT100 emulating a VT52 */
2230 break;
2231 case '<': /* turn off VT52 mode */
2232 PrivMode(0, PrivMode_vt52);
2233 break;
2234 case 'F': /* use special graphics character set */
2235 case 'G': /* use regular character set */
2236 /* unimplemented */
2237 break;
2238 case '=': /* use alternate keypad mode */
2239 case '>': /* use regular keypad mode */
2240 /* unimplemented */
2241 break;
2242 }
2243 }
2244 /*}}} */
2245
2246
2247 /*{{{ process escape sequences */
2248 void
2249 rxvt_term::process_escape_seq ()
2250 {
2251 unsigned char ch = cmd_getc ();
2252
2253 if (PrivateModes & PrivMode_vt52) {
2254 process_escape_vt52 (ch);
2255 return;
2256 }
2257
2258 switch (ch) {
2259 /* case 1: do_tek_mode (); break; */
2260 case '#':
2261 if (cmd_getc () == '8')
2262 scr_E ();
2263 break;
2264 case '(':
2265 scr_charset_set (0, (unsigned int)cmd_getc ());
2266 break;
2267 case ')':
2268 scr_charset_set (1, (unsigned int)cmd_getc ());
2269 break;
2270 case '*':
2271 scr_charset_set (2, (unsigned int)cmd_getc ());
2272 break;
2273 case '+':
2274 scr_charset_set (3, (unsigned int)cmd_getc ());
2275 break;
2276 #ifdef MULTICHAR_SET
2277 case '$':
2278 scr_charset_set (-2, (unsigned int)cmd_getc ());
2279 break;
2280 #endif
2281 #ifndef NO_FRILLS
2282 case '6':
2283 scr_backindex ();
2284 break;
2285 #endif
2286 case '7':
2287 scr_cursor (SAVE);
2288 break;
2289 case '8':
2290 scr_cursor (RESTORE);
2291 break;
2292 #ifndef NO_FRILLS
2293 case '9':
2294 scr_forwardindex ();
2295 break;
2296 #endif
2297 case '=':
2298 case '>':
2299 PrivMode((ch == '='), PrivMode_aplKP);
2300 break;
2301
2302 case C1_40:
2303 cmd_getc ();
2304 break;
2305 case C1_44:
2306 scr_index (UP);
2307 break;
2308
2309 /* 8.3.87: NEXT LINE */
2310 case C1_NEL: /* ESC E */
2311 {
2312 uint32_t nlcr[] = { '\n', '\r' };
2313 scr_add_lines (nlcr, 1, 2);
2314 }
2315 break;
2316
2317 /* kidnapped escape sequence: Should be 8.3.48 */
2318 case C1_ESA: /* ESC G */
2319 process_graphics ();
2320 break;
2321
2322 /* 8.3.63: CHARACTER TABULATION SET */
2323 case C1_HTS: /* ESC H */
2324 scr_set_tab (1);
2325 break;
2326
2327 /* 8.3.105: REVERSE LINE FEED */
2328 case C1_RI: /* ESC M */
2329 scr_index (DN);
2330 break;
2331
2332 /* 8.3.142: SINGLE-SHIFT TWO */
2333 /*case C1_SS2: scr_single_shift (2); break; */
2334
2335 /* 8.3.143: SINGLE-SHIFT THREE */
2336 /*case C1_SS3: scr_single_shift (3); break; */
2337
2338 /* 8.3.27: DEVICE CONTROL STRING */
2339 case C1_DCS: /* ESC P */
2340 process_dcs_seq ();
2341 break;
2342
2343 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
2344 case C1_SCI: /* ESC Z */
2345 tt_write((const unsigned char *)ESCZ_ANSWER,
2346 (unsigned int)(sizeof(ESCZ_ANSWER) - 1));
2347 break; /* steal obsolete ESC [ c */
2348
2349 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
2350 case C1_CSI: /* ESC [ */
2351 process_csi_seq ();
2352 break;
2353
2354 /* 8.3.90: OPERATING SYSTEM COMMAND */
2355 case C1_OSC: /* ESC ] */
2356 process_osc_seq ();
2357 break;
2358
2359 /* 8.3.106: RESET TO INITIAL STATE */
2360 case 'c':
2361 scr_poweron ();
2362 scrollbar_show (1);
2363 break;
2364
2365 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
2366 case 'n':
2367 scr_charset_choose (2);
2368 break;
2369
2370 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
2371 case 'o':
2372 scr_charset_choose (3);
2373 break;
2374 }
2375 }
2376 /*}}} */
2377
2378 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
2379 /* *INDENT-OFF* */
2380 enum {
2381 CSI_ICH = 0x40,
2382 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
2383 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
2384 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
2385 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
2386 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
2387 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
2388 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
2389 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
2390 };
2391
2392 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
2393 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
2394 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
2395 #define get_byte_array_bit(array, bit) \
2396 (!!((array)[(bit) / 8] & (128 >> ((bit) & 7))))
2397
2398 const unsigned char csi_defaults[] = {
2399 make_byte(1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
2400 make_byte(1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
2401 make_byte(1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
2402 make_byte(1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
2403 make_byte(1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
2404 make_byte(0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
2405 make_byte(0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
2406 make_byte(0,0,0,0,0,0,0,0) /* x, y, z, {, |, }, ~, */
2407 };
2408 /* *INDENT-ON* */
2409
2410 void
2411 rxvt_term::process_csi_seq ()
2412 {
2413 unsigned char ch, priv, i;
2414 unsigned int nargs, p;
2415 int n, ndef;
2416 int arg[ESC_ARGS];
2417
2418 for (nargs = ESC_ARGS; nargs > 0;)
2419 arg[--nargs] = 0;
2420
2421 priv = 0;
2422 ch = cmd_getc ();
2423 if (ch >= '<' && ch <= '?') { /* '<' '=' '>' '?' */
2424 priv = ch;
2425 ch = cmd_getc ();
2426 }
2427 /* read any numerical arguments */
2428 for (n = -1; ch < CSI_ICH; ) {
2429 if (isdigit(ch)) {
2430 if (n < 0)
2431 n = ch - '0';
2432 else
2433 n = n * 10 + ch - '0';
2434 } else if (ch == ';') {
2435 if (nargs < ESC_ARGS)
2436 arg[nargs++] = n;
2437 n = -1;
2438 } else if (ch == '\b') {
2439 scr_backspace ();
2440 } else if (ch == C0_ESC) {
2441 process_escape_seq ();
2442 return;
2443 } else if (ch < ' ') {
2444 process_nonprinting (ch);
2445 }
2446 ch = cmd_getc ();
2447 }
2448
2449 if (ch > CSI_7F)
2450 return;
2451
2452 if (nargs < ESC_ARGS)
2453 arg[nargs++] = n;
2454
2455 i = ch - CSI_ICH;
2456 ndef = get_byte_array_bit(csi_defaults, i);
2457 for (p = 0; p < nargs; p++)
2458 if (arg[p] == -1)
2459 arg[p] = ndef;
2460
2461 #ifdef DEBUG_CMD
2462 fprintf(stderr, "CSI ");
2463 for (p = 0; p < nargs; p++)
2464 fprintf(stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
2465 fprintf(stderr, "%c\n", ch);
2466 #endif
2467
2468 /*
2469 * private mode handling
2470 */
2471 if (priv) {
2472 switch (priv) {
2473 case '>':
2474 if (ch == CSI_DA) /* secondary device attributes */
2475 tt_printf("\033[>%d;%-.8s;0c", 'R', VSTRING);
2476 break;
2477 case '?':
2478 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
2479 process_terminal_mode (ch, priv, nargs, arg);
2480 break;
2481 }
2482 return;
2483 }
2484
2485 switch (ch) {
2486 /*
2487 * ISO/IEC 6429:1992(E) CSI sequences (defaults in parentheses)
2488 */
2489 #ifdef PRINTPIPE
2490 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
2491 switch (arg[0]) {
2492 case 0: /* initiate transfer to primary aux device */
2493 scr_printscreen (0);
2494 break;
2495 case 5: /* start relay to primary aux device */
2496 process_print_pipe ();
2497 break;
2498 }
2499 break;
2500 #endif
2501
2502 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
2503 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
2504 arg[0] = -arg[0];
2505 /* FALLTHROUGH */
2506 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
2507 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
2508 scr_gotorc (arg[0], 0, RELATIVE);
2509 break;
2510
2511 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
2512 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
2513 #ifdef ISO6429
2514 arg[0] = -arg[0];
2515 #else /* emulate common DEC VTs */
2516 arg[0] = arg[0] ? -arg[0] : -1;
2517 #endif
2518 /* FALLTHROUGH */
2519 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
2520 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
2521 #ifdef ISO6429
2522 scr_gotorc (0, arg[0], RELATIVE);
2523 #else /* emulate common DEC VTs */
2524 scr_gotorc (0, arg[0] ? arg[0] : 1, RELATIVE);
2525 #endif
2526 break;
2527
2528 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
2529 arg[0] = -arg[0];
2530 /* FALLTHROUGH */
2531 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
2532 scr_gotorc (arg[0], 0, R_RELATIVE);
2533 break;
2534
2535 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
2536 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
2537 scr_gotorc (0, arg[0] - 1, R_RELATIVE);
2538 break;
2539
2540 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
2541 scr_gotorc (arg[0] - 1, 0, C_RELATIVE);
2542 break;
2543
2544 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
2545 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
2546 scr_gotorc (arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
2547 break;
2548
2549 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
2550 arg[0] = -arg[0];
2551 /* FALLTHROUGH */
2552 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
2553 scr_tab (arg[0]);
2554 break;
2555
2556 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
2557 scr_erase_screen (arg[0]);
2558 break;
2559
2560 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
2561 scr_erase_line (arg[0]);
2562 break;
2563
2564 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
2565 scr_insdel_chars (arg[0], INSERT);
2566 break;
2567
2568 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
2569 scr_insdel_lines (arg[0], INSERT);
2570 break;
2571
2572 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
2573 scr_insdel_lines (arg[0], DELETE);
2574 break;
2575
2576 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
2577 scr_insdel_chars (arg[0], ERASE);
2578 break;
2579
2580 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
2581 scr_insdel_chars (arg[0], DELETE);
2582 break;
2583
2584 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
2585 arg[0] = -arg[0];
2586 /* FALLTHROUGH */
2587 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
2588 scr_scroll_text (screen.tscroll, screen.bscroll, arg[0], 0);
2589 break;
2590
2591 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
2592 tt_write((const unsigned char *)VT100_ANS,
2593 (unsigned int)(sizeof(VT100_ANS) - 1));
2594 break;
2595
2596 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
2597 process_sgr_mode (nargs, arg);
2598 break;
2599
2600 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
2601 switch (arg[0]) {
2602 case 5: /* DSR requested */
2603 tt_printf("\033[0n");
2604 break;
2605 case 6: /* CPR requested */
2606 scr_report_position ();
2607 break;
2608 #if defined (ENABLE_DISPLAY_ANSWER)
2609 case 7: /* unofficial extension */
2610 tt_printf("%-.250s\n", rs[Rs_display_name]);
2611 break;
2612 #endif
2613 case 8: /* unofficial extension */
2614 xterm_seq (XTerm_title, APL_NAME "-" VERSION, CHAR_ST);
2615 break;
2616 }
2617 break;
2618
2619 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
2620 switch (arg[0]) {
2621 case 0: /* char tab stop cleared at active position */
2622 scr_set_tab (0);
2623 break;
2624 /* case 1: */ /* line tab stop cleared in active line */
2625 /* case 2: */ /* char tab stops cleared in active line */
2626 case 3: /* all char tab stops are cleared */
2627 /* case 4: */ /* all line tab stops are cleared */
2628 case 5: /* all tab stops are cleared */
2629 scr_set_tab (-1);
2630 break;
2631 }
2632 break;
2633
2634 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
2635 switch (arg[0]) {
2636 case 0: /* char tab stop set at active position */
2637 scr_set_tab (1);
2638 break; /* = ESC H */
2639 /* case 1: */ /* line tab stop set at active line */
2640 case 2: /* char tab stop cleared at active position */
2641 scr_set_tab (0);
2642 break; /* = ESC [ 0 g */
2643 /* case 3: */ /* line tab stop cleared at active line */
2644 /* case 4: */ /* char tab stops cleared at active line */
2645 case 5: /* all char tab stops are cleared */
2646 scr_set_tab (-1);
2647 break; /* = ESC [ 3 g */
2648 /* case 6: */ /* all line tab stops are cleared */
2649 }
2650 break;
2651
2652 case CSI_RM: /* 8.3.107: RESET MODE */
2653 if (arg[0] == 4)
2654 scr_insert_mode (0);
2655 break;
2656
2657 case CSI_SM: /* 8.3.126: SET MODE */
2658 if (arg[0] == 4)
2659 scr_insert_mode (1);
2660 break;
2661
2662 /*
2663 * PRIVATE USE beyond this point. All CSI_7? sequences here
2664 */
2665 case CSI_72: /* DECSTBM: set top and bottom margins */
2666 if (nargs == 1)
2667 scr_scroll_region (arg[0] - 1, MAX_ROWS - 1);
2668 else if (nargs == 0 || arg[0] >= arg[1])
2669 scr_scroll_region (0, MAX_ROWS - 1);
2670 else
2671 scr_scroll_region (arg[0] - 1, arg[1] - 1);
2672 break;
2673
2674 case CSI_73:
2675 scr_cursor (SAVE);
2676 break;
2677 case CSI_75:
2678 scr_cursor (RESTORE);
2679 break;
2680
2681 #ifndef NO_FRILLS
2682 case CSI_74:
2683 process_window_ops (arg, nargs);
2684 break;
2685 #endif
2686
2687 case CSI_78: /* DECREQTPARM */
2688 if (arg[0] == 0 || arg[0] == 1)
2689 tt_printf("\033[%d;1;1;128;128;1;0x", arg[0] + 2);
2690 /* FALLTHROUGH */
2691
2692 default:
2693 break;
2694 }
2695 }
2696 /*}}} */
2697
2698 #ifndef NO_FRILLS
2699 /* ARGSUSED */
2700 void
2701 rxvt_term::process_window_ops (const int *args, unsigned int nargs)
2702 {
2703 int x, y;
2704 #if 0
2705 char *s;
2706 #endif
2707 XWindowAttributes wattr;
2708 Window wdummy;
2709
2710 if (nargs == 0)
2711 return;
2712 switch (args[0]) {
2713 /*
2714 * commands
2715 */
2716 case 1: /* deiconify window */
2717 XMapWindow(Xdisplay, TermWin.parent[0]);
2718 break;
2719 case 2: /* iconify window */
2720 XIconifyWindow(Xdisplay, TermWin.parent[0],
2721 DefaultScreen(Xdisplay));
2722 break;
2723 case 3: /* set position (pixels) */
2724 XMoveWindow(Xdisplay, TermWin.parent[0], args[1], args[2]);
2725 break;
2726 case 4: /* set size (pixels) */
2727 set_widthheight ((unsigned int)args[2], (unsigned int)args[1]);
2728 break;
2729 case 5: /* raise window */
2730 XRaiseWindow(Xdisplay, TermWin.parent[0]);
2731 break;
2732 case 6: /* lower window */
2733 XLowerWindow(Xdisplay, TermWin.parent[0]);
2734 break;
2735 case 7: /* refresh window */
2736 scr_touch (true);
2737 break;
2738 case 8: /* set size (chars) */
2739 set_widthheight ((unsigned int)(args[2] * TermWin.fwidth),
2740 (unsigned int)(args[1] * TermWin.fheight));
2741 break;
2742 default:
2743 if (args[0] >= 24) /* set height (chars) */
2744 set_widthheight ((unsigned int)TermWin.width,
2745 (unsigned int)(args[1] * TermWin.fheight));
2746 break;
2747 /*
2748 * reports - some output format copied from XTerm
2749 */
2750 case 11: /* report window state */
2751 XGetWindowAttributes(Xdisplay, TermWin.parent[0], &wattr);
2752 tt_printf("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
2753 break;
2754 case 13: /* report window position */
2755 XGetWindowAttributes(Xdisplay, TermWin.parent[0], &wattr);
2756 XTranslateCoordinates(Xdisplay, TermWin.parent[0], wattr.root,
2757 -wattr.border_width, -wattr.border_width,
2758 &x, &y, &wdummy);
2759 tt_printf("\033[3;%d;%dt", x, y);
2760 break;
2761 case 14: /* report window size (pixels) */
2762 XGetWindowAttributes(Xdisplay, TermWin.parent[0], &wattr);
2763 tt_printf("\033[4;%d;%dt", wattr.height, wattr.width);
2764 break;
2765 case 18: /* report window size (chars) */
2766 tt_printf("\033[8;%d;%dt", TermWin.nrow, TermWin.ncol);
2767 break;
2768 #if 0 /* XXX: currently disabled due to security concerns */
2769 case 20: /* report icon label */
2770 XGetIconName(Xdisplay, TermWin.parent[0], &s);
2771 tt_printf("\033]L%-.200s\234", s ? s : ""); /* 8bit ST */
2772 break;
2773 case 21: /* report window title */
2774 XFetchName(Xdisplay, TermWin.parent[0], &s);
2775 tt_printf("\033]l%-.200s\234", s ? s : ""); /* 8bit ST */
2776 break;
2777 #endif
2778 }
2779 }
2780 #endif
2781
2782 /*----------------------------------------------------------------------*/
2783 /*
2784 * get input up until STRING TERMINATOR (or BEL)
2785 * ends_how is terminator used. returned input must be free()d
2786 */
2787 unsigned char *
2788 rxvt_term::get_to_st (unsigned char *ends_how)
2789 {
2790 int seen_esc = 0; /* seen escape? */
2791 unsigned int n = 0;
2792 unsigned char *s;
2793 unsigned char ch, string[STRING_MAX];
2794
2795 for (; (ch = cmd_getc ());) {
2796 if (ch == C0_BEL
2797 || ch == CHAR_ST
2798 || (ch == 0x5c && seen_esc)) /* 7bit ST */
2799 break;
2800 if (ch == C0_ESC) {
2801 seen_esc = 1;
2802 continue;
2803 } else if (ch == '\t')
2804 ch = ' '; /* translate '\t' to space */
2805 else if (ch < 0x08 || (ch > 0x0d && ch < 0x20))
2806 return NULL; /* other control character - exit */
2807 if (n < sizeof(string) - 1)
2808 string[n++] = ch;
2809 seen_esc = 0;
2810 }
2811 string[n++] = '\0';
2812 if ((s = (unsigned char *)rxvt_malloc(n)) == NULL)
2813 return NULL;
2814 *ends_how = (ch == 0x5c ? C0_ESC : ch);
2815 STRNCPY(s, string, n);
2816 return s;
2817 }
2818
2819 /*----------------------------------------------------------------------*/
2820 /*
2821 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
2822 */
2823 void
2824 rxvt_term::process_dcs_seq ()
2825 {
2826 unsigned char eh, *s;
2827 /*
2828 * Not handled yet
2829 */
2830 s = get_to_st (&eh);
2831 if (s)
2832 free(s);
2833 return;
2834 }
2835
2836 /*----------------------------------------------------------------------*/
2837 /*
2838 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
2839 */
2840 void
2841 rxvt_term::process_osc_seq ()
2842 {
2843 unsigned char ch, eh, *s;
2844 int arg;
2845
2846 ch = cmd_getc ();
2847 for (arg = 0; isdigit(ch); ch = cmd_getc ())
2848 arg = arg * 10 + (ch - '0');
2849
2850 if (ch == ';') {
2851 s = get_to_st (&eh);
2852 if (s) {
2853 /*
2854 * rxvt_menubar_dispatch() violates the constness of the string,
2855 * so do it here
2856 */
2857 if (arg == XTerm_Menu)
2858 #if 0 /* XXX: currently disabled due to security concerns */
2859 menubar_dispatch ((char *)s);
2860 #else
2861 (void)0;
2862 #endif
2863 else
2864 xterm_seq (arg, (char *)s, eh);
2865 free(s);
2866 }
2867 }
2868 }
2869 /*
2870 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
2871 * 0 = change iconName/title
2872 * 1 = change iconName
2873 * 2 = change title
2874 * 4 = change color
2875 * 12 = change text color
2876 * 13 = change mouse foreground color
2877 * 17 = change highlight character colour
2878 * 18 = change bold character color
2879 * 19 = change underlined character color
2880 * 46 = change logfile (not implemented)
2881 * 50 = change font
2882 *
2883 * rxvt extensions:
2884 * 10 = menu (may change in future)
2885 * 20 = bg pixmap
2886 * 39 = change default fg color
2887 * 49 = change default bg color
2888 * 55 = dump scrollback buffer and all of screen
2889 */
2890 void
2891 rxvt_term::xterm_seq (int op, const char *str, unsigned char resp __attribute__((unused)))
2892 {
2893 int changed = 0;
2894 int color;
2895 char *buf, *name;
2896
2897 assert(str != NULL);
2898 switch (op) {
2899 case XTerm_name:
2900 set_title (str);
2901 /* FALLTHROUGH */
2902 case XTerm_iconName:
2903 set_iconName (str);
2904 break;
2905 case XTerm_title:
2906 set_title (str);
2907 break;
2908 case XTerm_Color:
2909 for (buf = (char *)str; buf && *buf;) {
2910 if ((name = STRCHR(buf, ';')) == NULL)
2911 break;
2912 *name++ = '\0';
2913 color = atoi(buf);
2914 if (color < 0 || color >= TOTAL_COLORS)
2915 break;
2916 if ((buf = STRCHR(name, ';')) != NULL)
2917 *buf++ = '\0';
2918 set_window_color (color + minCOLOR, name);
2919 }
2920 break;
2921 #ifndef NO_CURSORCOLOR
2922 case XTerm_Color_cursor:
2923 set_window_color (Color_cursor, str);
2924 break;
2925 #endif
2926 case XTerm_Color_pointer:
2927 set_window_color (Color_pointer, str);
2928 break;
2929 #ifndef NO_BOLD_UNDERLINE_REVERSE
2930 case XTerm_Color_BD:
2931 set_window_color (Color_BD, str);
2932 break;
2933 case XTerm_Color_UL:
2934 set_window_color (Color_UL, str);
2935 break;
2936 case XTerm_Color_RV:
2937 set_window_color (Color_RV, str);
2938 break;
2939 #endif
2940
2941 case XTerm_Menu:
2942 /*
2943 * rxvt_menubar_dispatch() violates the constness of the string,
2944 * so DON'T do it here
2945 */
2946 break;
2947 case XTerm_Pixmap:
2948 if (*str != ';') {
2949 #if XPM_BACKGROUND
2950 scale_pixmap (""); /* reset to default scaling */
2951 set_bgPixmap (str); /* change pixmap */
2952 #endif
2953 scr_touch (true);
2954 }
2955 while ((str = STRCHR(str, ';')) != NULL) {
2956 str++;
2957 #if XPM_BACKGROUND
2958 changed += scale_pixmap (str);
2959 #endif
2960 }
2961 if (changed) {
2962 #ifdef XPM_BACKGROUND
2963 resize_pixmap ();
2964 #endif
2965 scr_touch (true);
2966 }
2967 break;
2968
2969 case XTerm_restoreFG:
2970 set_window_color (Color_fg, str);
2971 break;
2972 case XTerm_restoreBG:
2973 set_window_color (Color_bg, str);
2974 break;
2975 case XTerm_logfile:
2976 break;
2977 case XTerm_font:
2978 change_font (0, str);
2979 break;
2980 #if 0
2981 case XTerm_dumpscreen: /* no error notices */
2982 {
2983 int fd;
2984 if ((fd = open(str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0) {
2985 scr_dump (fd);
2986 close(fd);
2987 }
2988 }
2989 break;
2990 #endif
2991 }
2992 }
2993 /*----------------------------------------------------------------------*/
2994
2995 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
2996 /*
2997 * mode can only have the following values:
2998 * 'l' = low
2999 * 'h' = high
3000 * 's' = save
3001 * 'r' = restore
3002 * 't' = toggle
3003 * so no need for fancy checking
3004 */
3005 int
3006 rxvt_term::privcases (int mode, unsigned long bit)
3007 {
3008 int state;
3009
3010 if (mode == 's') {
3011 SavedModes |= (PrivateModes & bit);
3012 return -1;
3013 } else {
3014 if (mode == 'r')
3015 state = (SavedModes & bit) ? 1 : 0; /* no overlapping */
3016 else
3017 state = (mode == 't') ? !(PrivateModes & bit) : mode;
3018 PrivMode(state, bit);
3019 }
3020 return state;
3021 }
3022
3023 /* we're not using priv _yet_ */
3024 void
3025 rxvt_term::process_terminal_mode (int mode, int priv __attribute__((unused)), unsigned int nargs, const int *arg)
3026 {
3027 unsigned int i, j;
3028 int state;
3029 static const struct {
3030 const int argval;
3031 const unsigned long bit;
3032 } argtopriv[] = {
3033 { 1, PrivMode_aplCUR },
3034 { 2, PrivMode_vt52 },
3035 { 3, PrivMode_132 },
3036 { 4, PrivMode_smoothScroll },
3037 { 5, PrivMode_rVideo },
3038 { 6, PrivMode_relOrigin },
3039 { 7, PrivMode_Autowrap },
3040 { 9, PrivMode_MouseX10 },
3041 #ifdef menuBar_esc
3042 { menuBar_esc, PrivMode_menuBar },
3043 #endif
3044 #ifdef scrollBar_esc
3045 { scrollBar_esc, PrivMode_scrollBar },
3046 #endif
3047 { 25, PrivMode_VisibleCursor },
3048 { 35, PrivMode_ShiftKeys },
3049 { 40, PrivMode_132OK },
3050 { 47, PrivMode_Screen },
3051 { 66, PrivMode_aplKP },
3052 #ifndef NO_BACKSPACE_KEY
3053 { 67, PrivMode_BackSpace },
3054 #endif
3055 { 1000, PrivMode_MouseX11 },
3056 { 1010, PrivMode_TtyOutputInh },
3057 { 1011, PrivMode_Keypress },
3058 { 1047, PrivMode_Screen },
3059 { 1049, PrivMode_Screen }, /* xterm extension, not fully implemented */
3060 };
3061
3062 if (nargs == 0)
3063 return;
3064
3065 /* make lo/hi boolean */
3066 if (mode == 'l')
3067 mode = 0; /* reset */
3068 else if (mode == 'h')
3069 mode = 1; /* set */
3070
3071 for (i = 0; i < nargs; i++) {
3072 state = -1;
3073
3074 /* basic handling */
3075 for (j = 0; j < (sizeof(argtopriv)/sizeof(argtopriv[0])); j++)
3076 if (argtopriv[j].argval == arg[i]) {
3077 state = privcases (mode, argtopriv[j].bit);
3078 break;
3079 }
3080
3081 /* extra handling for values with state unkept */
3082 if (state == -1)
3083 switch (arg[i]) {
3084 case 1048: /* alternative cursor save */
3085 if (mode == 0)
3086 scr_cursor (RESTORE);
3087 else if (mode == 1)
3088 scr_cursor (SAVE);
3089 /* FALLTHROUGH */
3090 default:
3091 continue; /* for(;i;) */
3092 }
3093
3094 /* extra handling for values with valid 0 or 1 state */
3095 switch (arg[i]) {
3096 /* case 1: - application cursor keys */
3097 case 2: /* VT52 mode */
3098 /* oddball mode. should be set regardless of set/reset
3099 * parameter. Return from VT52 mode with an ESC < from
3100 * within VT52 mode
3101 */
3102 PrivMode(1, PrivMode_vt52);
3103 break;
3104 case 3: /* 80/132 */
3105 if (PrivateModes & PrivMode_132OK)
3106 set_widthheight ( (unsigned int)((state ? 132 : 80) * TermWin.fwidth),
3107 (unsigned int)TermWin.height);
3108 break;
3109 case 4: /* smooth scrolling */
3110 if (state)
3111 Options &= ~Opt_jumpScroll;
3112 else
3113 Options |= Opt_jumpScroll;
3114 break;
3115 case 5: /* reverse video */
3116 scr_rvideo_mode (state);
3117 break;
3118 case 6: /* relative/absolute origins */
3119 scr_relative_origin (state);
3120 break;
3121 case 7: /* autowrap */
3122 scr_autowrap (state);
3123 break;
3124 /* case 8: - auto repeat, can't do on a per window basis */
3125 case 9: /* X10 mouse reporting */
3126 if (state) /* orthogonal */
3127 PrivateModes &= ~(PrivMode_MouseX11);
3128 break;
3129 #ifdef menuBar_esc
3130 case menuBar_esc:
3131 #ifdef MENUBAR
3132 map_menuBar (state);
3133 #endif
3134 break;
3135 #endif
3136 #ifdef scrollBar_esc
3137 case scrollBar_esc:
3138 if (scrollbar_mapping (state)) {
3139 resize_all_windows (0, 0, 0);
3140 scr_touch (true);
3141 }
3142 break;
3143 #endif
3144 case 25: /* visible/invisible cursor */
3145 scr_cursor_visible (state);
3146 break;
3147 /* case 35: - shift keys */
3148 /* case 40: - 80 <--> 132 mode */
3149 case 47: /* secondary screen */
3150 scr_change_screen (state);
3151 break;
3152 /* case 66: - application key pad */
3153 /* case 67: - backspace key */
3154 case 1000: /* X11 mouse reporting */
3155 if (state) /* orthogonal */
3156 PrivateModes &= ~(PrivMode_MouseX10);
3157 break;
3158 #if 0
3159 case 1001:
3160 break; /* X11 mouse highlighting */
3161 #endif
3162 case 1010: /* scroll to bottom on TTY output inhibit */
3163 if (state)
3164 Options &= ~Opt_scrollTtyOutput;
3165 else
3166 Options |= Opt_scrollTtyOutput;
3167 break;
3168 case 1011: /* scroll to bottom on key press */
3169 if (state)
3170 Options |= Opt_scrollTtyKeypress;
3171 else
3172 Options &= ~Opt_scrollTtyKeypress;
3173 break;
3174 case 1047: /* secondary screen w/ clearing */
3175 case 1049: /* better secondary screen w/ clearing, but not fully implemented */
3176 if (current_screen != PRIMARY)
3177 scr_erase_screen (2);
3178 scr_change_screen (state);
3179 /* FALLTHROUGH */
3180 default:
3181 break;
3182 }
3183 }
3184 }
3185 /*}}} */
3186
3187 /*{{{ process sgr sequences */
3188 void
3189 rxvt_term::process_sgr_mode (unsigned int nargs, const int *arg)
3190 {
3191 unsigned int i;
3192 short rendset;
3193 int rendstyle;
3194
3195 if (nargs == 0) {
3196 scr_rendition (0, ~RS_None);
3197 return;
3198 }
3199 for (i = 0; i < nargs; i++) {
3200 rendset = -1;
3201 switch (arg[i]) {
3202 case 0:
3203 rendset = 0, rendstyle = ~RS_None;
3204 break;
3205 case 1:
3206 rendset = 1, rendstyle = RS_Bold;
3207 break;
3208 case 4:
3209 rendset = 1, rendstyle = RS_Uline;
3210 break;
3211 case 5:
3212 rendset = 1, rendstyle = RS_Blink;
3213 break;
3214 case 7:
3215 rendset = 1, rendstyle = RS_RVid;
3216 break;
3217 case 22:
3218 rendset = 0, rendstyle = RS_Bold;
3219 break;
3220 case 24:
3221 rendset = 0, rendstyle = RS_Uline;
3222 break;
3223 case 25:
3224 rendset = 0, rendstyle = RS_Blink;
3225 break;
3226 case 27:
3227 rendset = 0, rendstyle = RS_RVid;
3228 break;
3229 }
3230 if (rendset != -1) {
3231 scr_rendition (rendset, rendstyle);
3232 continue; /* for(;i;) */
3233 }
3234
3235 switch (arg[i]) {
3236 case 30:
3237 case 31: /* set fg color */
3238 case 32:
3239 case 33:
3240 case 34:
3241 case 35:
3242 case 36:
3243 case 37:
3244 scr_color ((unsigned int)(minCOLOR + (arg[i] - 30)),
3245 Color_fg);
3246 break;
3247 #ifdef TTY_256COLOR
3248 case 38:
3249 if (nargs > i + 2 && arg[i + 1] == 5) {
3250 scr_color ((unsigned int)(minCOLOR + arg[i + 2]),
3251 Color_fg);
3252 i += 2;
3253 }
3254 break;
3255 #endif
3256 case 39: /* default fg */
3257 scr_color (Color_fg, Color_fg);
3258 break;
3259
3260 case 40:
3261 case 41: /* set bg color */
3262 case 42:
3263 case 43:
3264 case 44:
3265 case 45:
3266 case 46:
3267 case 47:
3268 scr_color ((unsigned int)(minCOLOR + (arg[i] - 40)),
3269 Color_bg);
3270 break;
3271 #ifdef TTY_256COLOR
3272 case 48:
3273 if (nargs > i + 2 && arg[i + 1] == 5) {
3274 scr_color ((unsigned int)(minCOLOR + arg[i + 2]),
3275 Color_bg);
3276 i += 2;
3277 }
3278 break;
3279 #endif
3280 case 49: /* default bg */
3281 scr_color (Color_bg, Color_bg);
3282 break;
3283
3284 #ifndef NO_BRIGHTCOLOR
3285 case 90:
3286 case 91: /* set bright fg color */
3287 case 92:
3288 case 93:
3289 case 94:
3290 case 95:
3291 case 96:
3292 case 97:
3293 scr_color ((unsigned int)(minBrightCOLOR + (arg[i] - 90)),
3294 Color_fg);
3295 break;
3296 case 100:
3297 case 101: /* set bright bg color */
3298 case 102:
3299 case 103:
3300 case 104:
3301 case 105:
3302 case 106:
3303 case 107:
3304 scr_color ((unsigned int)(minBrightCOLOR + (arg[i] - 100)),
3305 Color_bg);
3306 break;
3307 #endif
3308 }
3309 }
3310 }
3311 /*}}} */
3312
3313 /*{{{ process Rob Nation's own graphics mode sequences */
3314 void
3315 rxvt_term::process_graphics ()
3316 {
3317 unsigned char ch, cmd = cmd_getc ();
3318
3319 #ifndef RXVT_GRAPHICS
3320 if (cmd == 'Q') { /* query graphics */
3321 tt_printf("\033G0\n"); /* no graphics */
3322 return;
3323 }
3324 /* swallow other graphics sequences until terminating ':' */
3325 do
3326 ch = cmd_getc ();
3327 while (ch != ':');
3328 #else
3329 unsigned int nargs;
3330 int args[NGRX_PTS];
3331 unsigned char *text = NULL;
3332
3333 if (cmd == 'Q') { /* query graphics */
3334 tt_printf("\033G1\n"); /* yes, graphics (color) */
3335 return;
3336 }
3337 for (nargs = 0; nargs < (sizeof(args) / sizeof(args[0])) - 1;) {
3338 int neg;
3339
3340 ch = cmd_getc ();
3341 neg = (ch == '-');
3342 if (neg || ch == '+')
3343 ch = cmd_getc ();
3344
3345 for (args[nargs] = 0; isdigit(ch); ch = cmd_getc ())
3346 args[nargs] = args[nargs] * 10 + (ch - '0');
3347 if (neg)
3348 args[nargs] = -args[nargs];
3349
3350 nargs++;
3351 args[nargs] = 0;
3352 if (ch != ';')
3353 break;
3354 }
3355
3356 if ((cmd == 'T') && (nargs >= 5)) {
3357 int i, len = args[4];
3358
3359 text = (unsigned char *)rxvt_malloc((len + 1) * sizeof(char));
3360
3361 if (text != NULL) {
3362 for (i = 0; i < len; i++)
3363 text[i] = cmd_getc ();
3364 text[len] = '\0';
3365 }
3366 }
3367 Gr_do_graphics (cmd, nargs, args, text);
3368 #endif
3369 }
3370 /*}}} */
3371
3372 /* ------------------------------------------------------------------------- */
3373
3374 /*
3375 * Send printf() formatted output to the command.
3376 * Only use for small amounts of data.
3377 */
3378 void
3379 rxvt_term::tt_printf (const char *fmt,...)
3380 {
3381 va_list arg_ptr;
3382 unsigned char buf[256];
3383
3384 va_start (arg_ptr, fmt);
3385 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
3386 va_end (arg_ptr);
3387 tt_write (buf, STRLEN (buf));
3388 }
3389
3390 /* ---------------------------------------------------------------------- */
3391 /* Write data to the pty as typed by the user, pasted with the mouse,
3392 * or generated by us in response to a query ESC sequence.
3393 */
3394 void
3395 rxvt_term::tt_write (const unsigned char *data, unsigned int len)
3396 {
3397 enum { MAX_PTY_WRITE = 255 }; // minimum MAX_INPUT
3398
3399 if (len)
3400 {
3401 if (v_buflen == 0)
3402 {
3403 ssize_t written = write (cmd_fd, data, min (MAX_PTY_WRITE, len));
3404
3405 if ((unsigned int)written == len)
3406 return;
3407
3408 data += written;
3409 len -= written;
3410 }
3411
3412
3413 v_buffer = (unsigned char *)realloc (v_buffer, v_buflen + len);
3414
3415 memcpy (v_buffer + v_buflen, data, len);
3416 v_buflen += len;
3417 }
3418
3419 for (;;)
3420 {
3421 int written = write (cmd_fd, v_buffer, min (MAX_PTY_WRITE, v_buflen));
3422
3423 if (written > 0)
3424 {
3425 v_buflen -= written;
3426
3427 if (v_buflen == 0)
3428 {
3429 free (v_buffer);
3430 v_buffer = 0;
3431 v_buflen = 0;
3432
3433 pty_ev.set (EVENT_READ);
3434 return;
3435 }
3436
3437 memmove (v_buffer, v_buffer + written, v_buflen);
3438 }
3439 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
3440 // original code just ignores this...
3441 destroy ();
3442 else
3443 {
3444 pty_ev.set (EVENT_READ | EVENT_WRITE);
3445 return;
3446 }
3447 }
3448 }
3449
3450 /*----------------------- end-of-file (C source) -----------------------*/
3451