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Revision: 1.243
Committed: Fri Jan 6 05:43:36 2006 UTC (18 years, 4 months ago) by root
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Branch: MAIN
Changes since 1.242: +3 -0 lines
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# 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 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
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"
49 #include "rxvt.h"
50 #include "rxvtperl.h"
51 #include "version.h"
52 #include "command.h"
53
54 #if HAVE_SCHED_YIELD
55 #undef HAVE_SCHED_YIELD // disabled for the time being
56 //# include <sched.h>
57 #endif
58
59 #ifdef KEYSYM_RESOURCE
60 # include "keyboard.h"
61 #endif
62
63 #include <csignal>
64
65 /*----------------------------------------------------------------------*/
66
67 #define IS_CONTROL(ch) !((ch) & 0xffffff60UL)
68
69 // exception thrown when the command parser runs out of input data
70 class out_of_input { } out_of_input;
71
72 #if ENABLE_FRILLS || ISO_14755
73
74 #define ISO_14755_STARTED 0x80000000UL
75 #define ISO_14755_51 0x40000000UL // basic (section 5.1)
76 #define ISO_14755_52 0x20000000UL // keycap (section 5.2)
77 #define ISO_14755_54 0x10000000UL // code feedback (section 5.4)
78 #define ISO_14755_MASK 0x0fffffffUL
79
80 #if ISO_14755
81 static unsigned short iso14755_symtab[] = {
82 // keysym, unicode
83 XK_Left, 0x2190,
84 XK_KP_Left, 0x2190,
85 XK_Up, 0x2191,
86 XK_KP_Up, 0x2191,
87 XK_Right, 0x2192,
88 XK_KP_Right, 0x2192,
89 XK_Down, 0x2193,
90 XK_KP_Down, 0x2193,
91 XK_Linefeed, 0x21b4,
92 XK_Return, 0x21b5,
93 XK_KP_Enter, 0x21b5,
94
95 XK_Prior, 0x21de,
96 XK_Next, 0x21df,
97 XK_Tab, 0x21e5,
98 XK_ISO_Left_Tab, 0x21e6,
99 XK_Shift_L, 0x21e7,
100 XK_Shift_R, 0x21e7,
101
102 XK_Shift_Lock, 0x21eb,
103 XK_ISO_Lock, 0x21eb,
104 XK_ISO_Lock, 0x21eb,
105 XK_Caps_Lock, 0x21ec,
106 XK_Num_Lock, 0x21ed,
107 XK_ISO_Level3_Shift, 0x21ee,
108 XK_ISO_Level3_Lock, 0x21ef,
109 XK_ISO_Group_Lock, 0x21f0,
110 XK_Home, 0x21f1,
111 XK_End, 0x21f2,
112
113 XK_Execute, 0x2318,
114 XK_Begin, 0x2320,
115 XK_Delete, 0x2326,
116 XK_Clear, 0x2327,
117 XK_BackSpace, 0x232b,
118 XK_Insert, 0x2380,
119 XK_Control_L, 0x2388,
120 XK_Control_R, 0x2388,
121 XK_Pause, 0x2389,
122 XK_Break, 0x238a,
123 XK_Escape, 0x238b,
124 XK_Undo, 0x238c,
125 XK_Print, 0x2399,
126
127 XK_space, 0x2423,
128
129 #ifdef XK_KP_Begin
130 XK_KP_Prior, 0x21de,
131 XK_KP_Next, 0x21df,
132 XK_KP_Begin, 0x2320,
133 XK_KP_Insert, 0x2380,
134 XK_KP_Delete, 0x2326,
135 XK_KP_Space, 0x2422,
136 #endif
137 0,
138 };
139
140 void
141 rxvt_term::iso14755_54 (int x, int y)
142 {
143 x = Pixel2Col (x);
144 y = Pixel2Row (y);
145
146 if (!IN_RANGE_EXC (x, 0, ncol)
147 || !IN_RANGE_EXC (y, 0, nrow))
148 return;
149
150 for (;;)
151 {
152 const line_t &l = ROW(y - view_start);
153
154 text_t t = l.t[x];
155
156 if (t != NOCHAR || !x)
157 {
158 iso14755_51 (l.t[x], l.r[x], x, y);
159 iso14755buf = ISO_14755_54;
160 break;
161 }
162
163 x--;
164 }
165 }
166
167 void
168 rxvt_term::iso14755_51 (unicode_t ch, rend_t r, int x, int y)
169 {
170 rxvt_fontset *fs = FONTSET (r);
171 rxvt_font *f = (*fs)[fs->find_font (ch)];
172 wchar_t *chr, *alloc, ch2, *fname;
173 int len;
174
175 fname = rxvt_utf8towcs (f->name);
176
177 # if ENABLE_COMBINING
178 if (IS_COMPOSE (ch))
179 {
180 len = rxvt_composite.expand (ch, 0);
181 alloc = chr = new wchar_t[len];
182 rxvt_composite.expand (ch, chr);
183 }
184 else
185 # endif
186 {
187 ch2 = ch;
188
189 alloc = 0;
190 chr = &ch2;
191 len = 1;
192 }
193
194 char attr[80]; // plenty
195
196 sprintf (attr, "%08x = fg %d bg %d%s%s%s%s%s%s",
197 (int)r,
198 fgcolor_of (r), bgcolor_of (r),
199 r & RS_Bold ? " bold" : "",
200 r & RS_Italic ? " italic" : "",
201 r & RS_Blink ? " blink" : "",
202 r & RS_RVid ? " rvid" : "",
203 r & RS_Uline ? " uline" : "",
204 r & RS_Careful ? " careful" : "");
205
206 int width = wcswidth (fname, wcslen (fname));
207
208 max_it (width, 8+5); // for char + hey
209 max_it (width, strlen (attr));
210
211 if (y >= 0)
212 {
213 y = (y >= nrow - len - 4 && x < width + 2) ? 0 : -1;
214 x = 0;
215 }
216
217 scr_overlay_new (x, y, width, len + 2);
218
219 r = SET_STYLE (OVERLAY_RSTYLE, GET_STYLE (r));
220
221 for (int y = 0; y < len; y++)
222 {
223 char buf[9];
224
225 ch = *chr++;
226
227 sprintf (buf, "%8x", ch);
228 scr_overlay_set (0, y, buf);
229 scr_overlay_set (9, y, '=');
230 # if !UNICODE3
231 if (ch >= 0x10000)
232 ch = 0xfffd;
233 # endif
234 scr_overlay_set (11, y, ch, r);
235 scr_overlay_set (12, y, NOCHAR, r);
236 }
237
238 scr_overlay_set (0, len , attr);
239 scr_overlay_set (0, len + 1, fname);
240
241 free (fname);
242
243 # if ENABLE_COMBINING
244 if (alloc)
245 delete [] alloc;
246 # endif
247 }
248 #endif
249
250 void
251 rxvt_term::commit_iso14755 ()
252 {
253 wchar_t ch[2];
254
255 ch[0] = iso14755buf & ISO_14755_MASK;
256 ch[1] = 0;
257
258 if (iso14755buf & ISO_14755_51)
259 {
260 char mb[16];
261 int len;
262
263 // allow verbatim 0-bytes and control-bytes to be entered
264 if (ch[0] >= 0x20)
265 len = wcstombs (mb, ch, 16);
266 else
267 {
268 mb[0] = ch[0];
269 len = 1;
270 }
271
272 if (len > 0)
273 tt_write (mb, len);
274 else
275 scr_bell ();
276 }
277
278 iso14755buf = 0;
279 }
280
281 int
282 rxvt_term::hex_keyval (XKeyEvent &ev)
283 {
284 // check wether this event corresponds to a hex digit
285 // if the modifiers had not been pressed.
286 for (int index = 0; index < 8; index++)
287 {
288 KeySym k = XLookupKeysym (&ev, index);
289
290 if (k >= XK_KP_0 && k <= XK_KP_9) return k - XK_KP_0;
291 else if (k >= XK_0 && k <= XK_9) return k - XK_0;
292 else if (k >= XK_a && k <= XK_f) return k - XK_a + 10;
293 else if (k >= XK_A && k <= XK_F) return k - XK_A + 10;
294 }
295
296 return -1;
297 }
298 #endif
299
300 /*{{{ Convert the keypress event into a string */
301 void
302 rxvt_term::lookup_key (XKeyEvent &ev)
303 {
304 int ctrl, meta, shft, len;
305 unsigned int newlen;
306 KeySym keysym;
307 #ifdef DEBUG_CMD
308 static int debug_key = 1; /* accessible by a debugger only */
309 #endif
310 int valid_keysym;
311 char kbuf[KBUFSZ];
312
313 /*
314 * use Num_Lock to toggle Keypad on/off. If Num_Lock is off, allow an
315 * escape sequence to toggle the Keypad.
316 *
317 * Always permit `shift' to override the current setting
318 */
319 shft = ev.state & ShiftMask;
320 ctrl = ev.state & ControlMask;
321 meta = ev.state & ModMetaMask;
322
323 if (numlock_state || (ev.state & ModNumLockMask))
324 {
325 numlock_state = (ev.state & ModNumLockMask);
326 PrivMode ((!numlock_state), PrivMode_aplKP);
327 }
328
329 kbuf[0] = 0;
330
331 #ifdef USE_XIM
332 if (Input_Context)
333 {
334 Status status_return;
335
336 #if 0
337 #ifdef X_HAVE_UTF8_STRING
338 if (enc_utf8 && 0) // currently disabled, doesn't seem to work, nor is useful
339 len = Xutf8LookupString (Input_Context, &ev, kbuf,
340 KBUFSZ, &keysym, &status_return);
341 else
342 #endif
343 #endif
344 {
345 wchar_t wkbuf[KBUFSZ + 1];
346
347 // the XOpenIM manpage lies about hardcoding the locale
348 // at the point of XOpenIM, so temporarily switch locales
349 if (rs[Rs_imLocale])
350 SET_LOCALE (rs[Rs_imLocale]);
351
352 // assume wchar_t == unicode or better
353 len = XwcLookupString (Input_Context, &ev, wkbuf,
354 KBUFSZ, &keysym, &status_return);
355
356 if (rs[Rs_imLocale])
357 SET_LOCALE (locale);
358
359 if (status_return == XLookupChars
360 || status_return == XLookupBoth)
361 {
362 /* make sure the user can type ctrl-@, i.e. NUL */
363 if (len == 1 && *wkbuf == 0)
364 {
365 kbuf[0] = 0;
366 len = 1;
367 }
368 else
369 {
370 wkbuf[len] = 0;
371 len = wcstombs ((char *)kbuf, wkbuf, KBUFSZ);
372 if (len < 0)
373 len = 0;
374 }
375 }
376 else
377 len = 0;
378 }
379
380 valid_keysym = status_return == XLookupKeySym
381 || status_return == XLookupBoth;
382 }
383 else
384 #endif
385 {
386 len = XLookupString (&ev, kbuf, KBUFSZ, &keysym, &compose);
387 valid_keysym = keysym != NoSymbol;
388 }
389
390 if (valid_keysym)
391 {
392 #ifdef KEYSYM_RESOURCE
393 if (keyboard->dispatch (this, keysym, ev.state))
394 return;
395 #endif
396
397 if (saveLines)
398 {
399 #ifdef UNSHIFTED_SCROLLKEYS
400 if (!ctrl && !meta)
401 #else
402 if (IS_SCROLL_MOD)
403 #endif
404 {
405 int lnsppg;
406
407 #ifdef PAGING_CONTEXT_LINES
408 lnsppg = nrow - PAGING_CONTEXT_LINES;
409 #else
410 lnsppg = nrow * 4 / 5;
411 #endif
412 if (keysym == XK_Prior)
413 {
414 scr_page (UP, lnsppg);
415 return;
416 }
417 else if (keysym == XK_Next)
418 {
419 scr_page (DN, lnsppg);
420 return;
421 }
422 }
423 #ifdef SCROLL_ON_UPDOWN_KEYS
424 if (IS_SCROLL_MOD)
425 {
426 if (keysym == XK_Up)
427 {
428 scr_page (UP, 1);
429 return;
430 }
431 else if (keysym == XK_Down)
432 {
433 scr_page (DN, 1);
434 return;
435 }
436 }
437 #endif
438 #ifdef SCROLL_ON_HOMEEND_KEYS
439 if (IS_SCROLL_MOD)
440 {
441 if (keysym == XK_Home)
442 {
443 scr_move_to (0, 1);
444 return;
445 }
446 else if (keysym == XK_End)
447 {
448 scr_move_to (1, 0);
449 return;
450 }
451 }
452 #endif
453 }
454
455 if (shft)
456 {
457 /* Shift + F1 - F10 generates F11 - F20 */
458 if (keysym >= XK_F1 && keysym <= XK_F10)
459 {
460 keysym += (XK_F11 - XK_F1);
461 shft = 0; /* turn off Shift */
462 }
463 else if (!ctrl && !meta && (priv_modes & PrivMode_ShiftKeys))
464 {
465 switch (keysym)
466 {
467 /* normal XTerm key bindings */
468 case XK_Insert: /* Shift+Insert = paste mouse selection */
469 selection_request (ev.time, 0, 0);
470 return;
471 #if TODO
472 /* rxvt extras */
473 case XK_KP_Add: /* Shift+KP_Add = bigger font */
474 change_font (FONT_UP);
475 return;
476 case XK_KP_Subtract: /* Shift+KP_Subtract = smaller font */
477 change_font (FONT_DN);
478 return;
479 #endif
480 }
481 }
482 }
483
484 #if ENABLE_FRILLS || ISO_14755
485 // ISO 14755 support
486 if (shft && ctrl)
487 {
488 int hv;
489
490 if (iso14755buf & ISO_14755_51
491 && (keysym == XK_space || keysym == XK_KP_Space
492 || keysym == XK_Return || keysym == XK_KP_Enter))
493 {
494 commit_iso14755 ();
495 iso14755buf = ISO_14755_51;
496 # if ISO_14755
497 iso14755_51 (0);
498 # endif
499 return;
500 }
501 else if ((hv = hex_keyval (ev)) >= 0)
502 {
503 iso14755buf = ((iso14755buf << 4) & ISO_14755_MASK)
504 | hv | ISO_14755_51;
505 # if ISO_14755
506 iso14755_51 (iso14755buf & ISO_14755_MASK);
507 # endif
508 return;
509 }
510 else
511 {
512 # if ENABLE_OVERLAY
513 scr_overlay_off ();
514 # endif
515 iso14755buf = 0;
516 }
517 }
518 else if ((ctrl && (keysym == XK_Shift_L || keysym == XK_Shift_R))
519 || (shft && (keysym == XK_Control_L || keysym == XK_Control_R)))
520 if (!(iso14755buf & ISO_14755_STARTED))
521 {
522 iso14755buf |= ISO_14755_STARTED;
523 # if ENABLE_OVERLAY
524 scr_overlay_new (0, -1, sizeof ("ISO 14755 mode") - 1, 1);
525 scr_overlay_set (0, 0, "ISO 14755 mode");
526 # endif
527 }
528 #endif
529
530 #ifdef PRINTPIPE
531 if (keysym == XK_Print)
532 {
533 scr_printscreen (ctrl | shft);
534 return;
535 }
536 #endif
537
538 if (keysym >= 0xFF00 && keysym <= 0xFFFF)
539 {
540 {
541 newlen = 1;
542 switch (keysym)
543 {
544 #ifndef NO_BACKSPACE_KEY
545 case XK_BackSpace:
546 if (priv_modes & PrivMode_HaveBackSpace)
547 {
548 kbuf[0] = (!! (priv_modes & PrivMode_BackSpace)
549 ^ !!ctrl) ? '\b' : '\177';
550 kbuf[1] = '\0';
551 }
552 else
553 strcpy (kbuf, key_backspace);
554 break;
555 #endif
556 #ifndef NO_DELETE_KEY
557 # ifdef XK_KP_Prior
558 case XK_KP_Delete:
559 /* allow shift to override */
560 if ((priv_modes & PrivMode_aplKP) ? !shft : shft)
561 {
562 strcpy (kbuf, "\033On");
563 break;
564 }
565 /* FALLTHROUGH */
566 # endif
567 case XK_Delete:
568 strcpy (kbuf, key_delete);
569 break;
570 #endif
571 case XK_Tab:
572 if (shft)
573 strcpy (kbuf, "\033[Z");
574 else
575 {
576 #ifdef CTRL_TAB_MAKES_META
577 if (ctrl)
578 meta = 1;
579 #endif
580 #ifdef MOD4_TAB_MAKES_META
581 if (ev.state & Mod4Mask)
582 meta = 1;
583 #endif
584 newlen = 0;
585 }
586 break;
587
588 #ifdef XK_KP_Left
589 case XK_KP_Up: /* \033Ox or standard */
590 case XK_KP_Down: /* \033Or or standard */
591 case XK_KP_Right: /* \033Ov or standard */
592 case XK_KP_Left: /* \033Ot or standard */
593 if ((priv_modes & PrivMode_aplKP) ? !shft : shft)
594 {
595 strcpy (kbuf, "\033OZ");
596 kbuf[2] = "txvr"[keysym - XK_KP_Left];
597 break;
598 }
599 else
600 /* translate to std. cursor key */
601 keysym = XK_Left + (keysym - XK_KP_Left);
602 /* FALLTHROUGH */
603 #endif
604 case XK_Up: /* "\033[A" */
605 case XK_Down: /* "\033[B" */
606 case XK_Right: /* "\033[C" */
607 case XK_Left: /* "\033[D" */
608 strcpy (kbuf, "\033[Z");
609 kbuf[2] = "DACB"[keysym - XK_Left];
610 /* do Shift first */
611 if (shft)
612 kbuf[2] = "dacb"[keysym - XK_Left];
613 else if (ctrl)
614 {
615 kbuf[1] = 'O';
616 kbuf[2] = "dacb"[keysym - XK_Left];
617 }
618 else if (priv_modes & PrivMode_aplCUR)
619 kbuf[1] = 'O';
620 break;
621
622 #ifndef UNSHIFTED_SCROLLKEYS
623 # ifdef XK_KP_Prior
624 case XK_KP_Prior:
625 /* allow shift to override */
626 if ((priv_modes & PrivMode_aplKP) ? !shft : shft)
627 {
628 strcpy (kbuf, "\033Oy");
629 break;
630 }
631 /* FALLTHROUGH */
632 # endif
633 case XK_Prior:
634 strcpy (kbuf, "\033[5~");
635 break;
636 # ifdef XK_KP_Next
637 case XK_KP_Next:
638 /* allow shift to override */
639 if ((priv_modes & PrivMode_aplKP) ? !shft : shft)
640 {
641 strcpy (kbuf, "\033Os");
642 break;
643 }
644 /* FALLTHROUGH */
645 # endif
646 case XK_Next:
647 strcpy (kbuf, "\033[6~");
648 break;
649 #endif
650 case XK_KP_Enter:
651 /* allow shift to override */
652 if ((priv_modes & PrivMode_aplKP) ? !shft : shft)
653 {
654 strcpy (kbuf, "\033OM");
655 break;
656 }
657
658 /* FALLTHROUGH */
659
660 case XK_Return:
661 if (priv_modes & PrivMode_LFNL)
662 {
663 kbuf[0] = '\015';
664 kbuf[1] = '\012';
665 kbuf[2] = '\0';
666 }
667 else
668 {
669 kbuf[0] = '\015';
670 kbuf[1] = '\0';
671 }
672 break;
673
674 #ifdef XK_KP_Begin
675 case XK_KP_Begin:
676 strcpy (kbuf, "\033Ou");
677 break;
678
679 #endif
680 case XK_KP_F1: /* "\033OP" */
681 case XK_KP_F2: /* "\033OQ" */
682 case XK_KP_F3: /* "\033OR" */
683 case XK_KP_F4: /* "\033OS" */
684 strcpy (kbuf, "\033OP");
685 kbuf[2] += (keysym - XK_KP_F1);
686 break;
687
688 case XK_KP_Multiply: /* "\033Oj" : "*" */
689 case XK_KP_Add: /* "\033Ok" : "+" */
690 case XK_KP_Separator: /* "\033Ol" : "," */
691 case XK_KP_Subtract: /* "\033Om" : "-" */
692 case XK_KP_Decimal: /* "\033On" : "." */
693 case XK_KP_Divide: /* "\033Oo" : "/" */
694 case XK_KP_0: /* "\033Op" : "0" */
695 case XK_KP_1: /* "\033Oq" : "1" */
696 case XK_KP_2: /* "\033Or" : "2" */
697 case XK_KP_3: /* "\033Os" : "3" */
698 case XK_KP_4: /* "\033Ot" : "4" */
699 case XK_KP_5: /* "\033Ou" : "5" */
700 case XK_KP_6: /* "\033Ov" : "6" */
701 case XK_KP_7: /* "\033Ow" : "7" */
702 case XK_KP_8: /* "\033Ox" : "8" */
703 case XK_KP_9: /* "\033Oy" : "9" */
704 /* allow shift to override */
705 if ((priv_modes & PrivMode_aplKP) ? !shft : shft)
706 {
707 strcpy (kbuf, "\033Oj");
708 kbuf[2] += (keysym - XK_KP_Multiply);
709 }
710 else
711 {
712 kbuf[0] = ('*' + (keysym - XK_KP_Multiply));
713 kbuf[1] = '\0';
714 }
715 break;
716
717 case XK_Find:
718 strcpy (kbuf, "\033[1~");
719 break;
720
721 #ifdef XK_KP_End
722 case XK_KP_Insert:
723 /* allow shift to override */
724 if ((priv_modes & PrivMode_aplKP) ? !shft : shft)
725 {
726 strcpy (kbuf, "\033Op");
727 break;
728 }
729 /* FALLTHROUGH */
730 #endif
731 case XK_Insert:
732 strcpy (kbuf, "\033[2~");
733 break;
734 #ifdef DXK_Remove /* support for DEC remove like key */
735 case DXK_Remove:
736 /* FALLTHROUGH */
737 #endif
738 case XK_Execute:
739 strcpy (kbuf, "\033[3~");
740 break;
741 case XK_Select:
742 strcpy (kbuf, "\033[4~");
743 break;
744 #ifdef XK_KP_End
745 case XK_KP_End:
746 /* allow shift to override */
747 if ((priv_modes & PrivMode_aplKP) ? !shft : shft)
748 {
749 strcpy (kbuf, "\033Oq");
750 break;
751 }
752 /* FALLTHROUGH */
753 #endif
754 case XK_End:
755 strcpy (kbuf, KS_END);
756 break;
757 #ifdef XK_KP_Home
758 case XK_KP_Home:
759 /* allow shift to override */
760 if ((priv_modes & PrivMode_aplKP) ? !shft : shft)
761 {
762 strcpy (kbuf, "\033Ow");
763 break;
764 }
765 /* FALLTHROUGH */
766 #endif
767 case XK_Home:
768 strcpy (kbuf, KS_HOME);
769 break;
770
771 #define FKEY(n, fkey) \
772 sprintf ((char *)kbuf,"\033[%2d~", (int) ((n) + (keysym - fkey)))
773
774 case XK_F1: /* "\033[11~" */
775 case XK_F2: /* "\033[12~" */
776 case XK_F3: /* "\033[13~" */
777 case XK_F4: /* "\033[14~" */
778 case XK_F5: /* "\033[15~" */
779 FKEY (11, XK_F1);
780 break;
781 case XK_F6: /* "\033[17~" */
782 case XK_F7: /* "\033[18~" */
783 case XK_F8: /* "\033[19~" */
784 case XK_F9: /* "\033[20~" */
785 case XK_F10: /* "\033[21~" */
786 FKEY (17, XK_F6);
787 break;
788 case XK_F11: /* "\033[23~" */
789 case XK_F12: /* "\033[24~" */
790 case XK_F13: /* "\033[25~" */
791 case XK_F14: /* "\033[26~" */
792 FKEY (23, XK_F11);
793 break;
794 case XK_F15: /* "\033[28~" */
795 case XK_F16: /* "\033[29~" */
796 FKEY (28, XK_F15);
797 break;
798 case XK_Help: /* "\033[28~" */
799 FKEY (28, XK_Help);
800 break;
801 case XK_Menu: /* "\033[29~" */
802 FKEY (29, XK_Menu);
803 break;
804 case XK_F17: /* "\033[31~" */
805 case XK_F18: /* "\033[32~" */
806 case XK_F19: /* "\033[33~" */
807 case XK_F20: /* "\033[34~" */
808 case XK_F21: /* "\033[35~" */
809 case XK_F22: /* "\033[36~" */
810 case XK_F23: /* "\033[37~" */
811 case XK_F24: /* "\033[38~" */
812 case XK_F25: /* "\033[39~" */
813 case XK_F26: /* "\033[40~" */
814 case XK_F27: /* "\033[41~" */
815 case XK_F28: /* "\033[42~" */
816 case XK_F29: /* "\033[43~" */
817 case XK_F30: /* "\033[44~" */
818 case XK_F31: /* "\033[45~" */
819 case XK_F32: /* "\033[46~" */
820 case XK_F33: /* "\033[47~" */
821 case XK_F34: /* "\033[48~" */
822 case XK_F35: /* "\033[49~" */
823 FKEY (31, XK_F17);
824 break;
825 #undef FKEY
826 default:
827 newlen = 0;
828 break;
829 }
830
831 if (newlen)
832 len = strlen (kbuf);
833 }
834
835 /*
836 * Pass meta for all function keys, if 'meta' option set
837 */
838 #ifdef META8_OPTION
839 if (meta && (meta_char == 0x80) && len > 0)
840 kbuf[len - 1] |= 0x80;
841 #endif
842
843 }
844 else if (ctrl && keysym == XK_minus)
845 {
846 len = 1;
847 kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */
848 }
849 else if (keysym == XK_ISO_Left_Tab)
850 {
851 strcpy (kbuf, "\033[Z");
852 len = 3;
853 }
854 else
855 {
856 #ifdef META8_OPTION
857 /* set 8-bit on */
858 if (meta && (meta_char == 0x80))
859 {
860 char *ch;
861
862 for (ch = kbuf; ch < kbuf + len; ch++)
863 *ch |= 0x80;
864
865 meta = 0;
866 }
867 #endif
868 /* nil */ ;
869 }
870 }
871
872 if (HOOK_INVOKE ((this, HOOK_KEY_PRESS, DT_XEVENT, &ev, DT_STRING_LEN, kbuf, len, DT_END)))
873 return;
874
875 if (len <= 0)
876 return; /* not mapped */
877
878 if (OPTION (Opt_scrollTtyKeypress))
879 if (view_start)
880 {
881 view_start = 0;
882 want_refresh = 1;
883 }
884
885 /*
886 * these modifications only affect the static keybuffer
887 * pass Shift/Control indicators for function keys ending with `~'
888 *
889 * eg,
890 * Prior = "ESC[5~"
891 * Shift+Prior = "ESC[5$"
892 * Ctrl+Prior = "ESC[5^"
893 * Ctrl+Shift+Prior = "ESC[5@"
894 * Meta adds an Escape prefix (with META8_OPTION, if meta == <escape>).
895 */
896 if (kbuf[0] == C0_ESC && kbuf[1] == '[' && kbuf[len - 1] == '~')
897 kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~'));
898
899 /* escape prefix */
900 if (meta
901 #ifdef META8_OPTION
902 && meta_char == C0_ESC
903 #endif
904 )
905 {
906 const char ch = C0_ESC;
907 tt_write (&ch, 1);
908 }
909
910 #if defined(DEBUG_CMD)
911 /* Display keyboard buffer contents */
912 unsigned char *p;
913 int i;
914
915 fprintf (stderr, "key 0x%04X [%d]: `", (unsigned int)keysym, len);
916 for (i = 0, p = kbuf; i < len; i++, p++)
917 fprintf (stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p);
918 fprintf (stderr, "'\n");
919 #endif /* DEBUG_CMD */
920 tt_write (kbuf, (unsigned int)len);
921 }
922 /*}}} */
923
924 #if MENUBAR_MAX || defined (KEYSYM_RESOURCE)
925 /*{{{ rxvt_cmd_write (), rxvt_cmd_getc () */
926 /* attempt to `write' count to the input buffer */
927 unsigned int
928 rxvt_term::cmd_write (const char *str, unsigned int count)
929 {
930 unsigned int n, s;
931
932 n = cmdbuf_ptr - cmdbuf_base;
933 s = cmdbuf_base + CBUFSIZ - 1 - cmdbuf_endp;
934
935 if (n > 0 && s < count)
936 {
937 memmove (cmdbuf_base, cmdbuf_ptr,
938 (unsigned int) (cmdbuf_endp - cmdbuf_ptr));
939 cmdbuf_ptr = cmdbuf_base;
940 cmdbuf_endp -= n;
941 s += n;
942 }
943
944 if (count > s)
945 {
946 rxvt_warn ("data loss: cmd_write too large, continuing.\n");
947 count = s;
948 }
949
950 for (; count--;)
951 *cmdbuf_endp++ = *str++;
952
953 cmd_parse ();
954
955 return 0;
956 }
957 #endif
958
959 void
960 rxvt_term::flush ()
961 {
962 flush_ev.stop ();
963
964 #ifdef TRANSPARENT
965 if (want_full_refresh)
966 {
967 want_full_refresh = 0;
968 scr_clear ();
969 scr_touch (false);
970 }
971 #endif
972
973 if (want_refresh)
974 {
975 if (SHOULD_INVOKE (HOOK_LINE_UPDATE))
976 {
977 int row = -view_start;
978
979 while (row > -nsaved && ROW (row - 1).is_longer ())
980 --row;
981
982 while (row < -view_start + nrow)
983 {
984 int start_row = row;
985 line_t *l;
986
987 do
988 {
989 l = &ROW (row);
990
991 if (!(l->f & LINE_FILTERED))
992 {
993 // line not filtered, mark it as filtered
994 l->f |= LINE_FILTERED;
995 while (l->is_longer ())
996 {
997 l = &ROW (++row);
998 l->f |= LINE_FILTERED;
999 }
1000
1001 // and filter it
1002 HOOK_INVOKE ((this, HOOK_LINE_UPDATE, DT_INT, start_row, DT_END));
1003
1004 break;
1005 }
1006 }
1007 while (l->is_longer ());
1008
1009 row++;
1010 }
1011
1012 }
1013
1014 scr_refresh (refresh_type);
1015 scrollbar_show (1);
1016 #ifdef USE_XIM
1017 IMSendSpot ();
1018 #endif
1019 }
1020
1021 display->flush ();
1022 }
1023
1024 void
1025 rxvt_term::check_cb (check_watcher &w)
1026 {
1027 SET_R (this);
1028 SET_LOCALE (locale);
1029
1030 display->flush ();
1031
1032 if (want_refresh && !flush_ev.active)
1033 flush_ev.start (NOW + 1. / 60.); // refresh at max. 60 hz normally
1034 }
1035
1036 void
1037 rxvt_term::flush_cb (time_watcher &w)
1038 {
1039 SET_R (this);
1040 SET_LOCALE (locale);
1041
1042 refresh_limit = 1;
1043 refresh_count = 0;
1044 flush ();
1045 }
1046
1047 #ifdef CURSOR_BLINK
1048 void
1049 rxvt_term::cursor_blink_cb (time_watcher &w)
1050 {
1051 hidden_cursor = !hidden_cursor;
1052 want_refresh = 1;
1053
1054 w.start (w.at + BLINK_INTERVAL);
1055 }
1056 #endif
1057
1058 #ifdef TEXT_BLINK
1059 void
1060 rxvt_term::text_blink_cb (time_watcher &w)
1061 {
1062 if (scr_refresh_rend (RS_Blink, RS_Blink))
1063 {
1064 hidden_text = !hidden_text;
1065 want_refresh = 1;
1066 w.start (w.at + TEXT_BLINK_INTERVAL);
1067 }
1068 }
1069 #endif
1070
1071 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
1072 void
1073 rxvt_term::cont_scroll_cb (time_watcher &w)
1074 {
1075 if ((scrollbar_isUp() || scrollbar_isDn()) &&
1076 scr_page (scrollbar_isUp() ? UP : DN, 1))
1077 {
1078 refresh_type |= SMOOTH_REFRESH;
1079 want_refresh = 1;
1080 w.start (w.at + SCROLLBAR_CONTINUOUS_DELAY);
1081 }
1082 }
1083 #endif
1084
1085 #ifdef SELECTION_SCROLLING
1086 void
1087 rxvt_term::sel_scroll_cb (time_watcher &w)
1088 {
1089 if (scr_page (scroll_selection_dir, scroll_selection_lines))
1090 {
1091 selection_extend (selection_save_x, selection_save_y, selection_save_state);
1092 refresh_type |= SMOOTH_REFRESH;
1093 want_refresh = 1;
1094 w.start (w.at + SCROLLBAR_CONTINUOUS_DELAY);
1095 }
1096 }
1097 #endif
1098
1099 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1100 void
1101 rxvt_term::slip_wheel_cb (time_watcher &w)
1102 {
1103 if (mouse_slip_wheel_speed == 0
1104 || mouse_slip_wheel_speed < 0 ? scr_page (DN, -mouse_slip_wheel_speed)
1105 : scr_page (UP, mouse_slip_wheel_speed))
1106 {
1107 if (view_start == nsaved ||
1108 view_start == 0)
1109 mouse_slip_wheel_speed = 0;
1110
1111 refresh_type |= SMOOTH_REFRESH;
1112 want_refresh = 1;
1113 w.start (w.at + SCROLLBAR_CONTINUOUS_DELAY);
1114 }
1115 }
1116 #endif
1117
1118 #if HAVE_SCHED_YIELD
1119 static struct event_handler
1120 {
1121 check_watcher cw_yield;
1122
1123 void yield (check_watcher &w)
1124 {
1125 sched_yield ();
1126 w.stop ();
1127 }
1128
1129 event_handler ()
1130 : cw_yield (this, &event_handler::yield)
1131 {
1132 }
1133 } event_handler;
1134 #endif
1135
1136 bool
1137 rxvt_term::pty_fill ()
1138 {
1139 ssize_t n = cmdbuf_endp - cmdbuf_ptr;
1140
1141 if (CBUFSIZ == n)
1142 {
1143 rxvt_warn ("PLEASE REPORT: pty_fill on full buffer, draining input, continuing.\n");
1144 n = 0;
1145 }
1146
1147 memmove (cmdbuf_base, cmdbuf_ptr, n);
1148 cmdbuf_ptr = cmdbuf_base;
1149 cmdbuf_endp = cmdbuf_ptr + n;
1150
1151 ssize_t r = read (pty.pty, cmdbuf_endp, CBUFSIZ - n);
1152
1153 if (r > 0)
1154 {
1155 cmdbuf_endp += r;
1156 return true;
1157 }
1158 else if (r < 0 && (errno == EAGAIN || errno == EINTR))
1159 {
1160 #if HAVE_SCHED_YIELD
1161 if (display->is_local)
1162 event_handler.cw_yield.start ();
1163 #endif
1164 }
1165 else
1166 {
1167 pty_ev.stop ();
1168
1169 if (!OPTION (Opt_hold))
1170 destroy ();
1171 }
1172
1173 return false;
1174 }
1175
1176 void
1177 rxvt_term::pty_cb (io_watcher &w, short revents)
1178 {
1179 SET_R (this);
1180 SET_LOCALE (locale);
1181
1182 if (revents & EVENT_READ)
1183 // loop, but don't allow a single term to monopolize us
1184 while (pty_fill ())
1185 if (cmd_parse ())
1186 break;
1187
1188 if (revents & EVENT_WRITE)
1189 pty_write ();
1190 }
1191
1192 void
1193 rxvt_term::pointer_unblank ()
1194 {
1195 XDefineCursor (display->display, vt, TermWin_cursor);
1196 recolour_cursor ();
1197
1198 #ifdef POINTER_BLANK
1199 hidden_pointer = 0;
1200
1201 if (OPTION (Opt_pointerBlank))
1202 pointer_ev.start (NOW + pointerBlankDelay);
1203 #endif
1204 }
1205
1206 #ifdef POINTER_BLANK
1207 void
1208 rxvt_term::pointer_blank ()
1209 {
1210 if (!OPTION (Opt_pointerBlank))
1211 return;
1212
1213 XDefineCursor (display->display, vt, display->blank_cursor);
1214 XFlush (display->display);
1215
1216 hidden_pointer = 1;
1217 }
1218
1219 void
1220 rxvt_term::pointer_cb (time_watcher &w)
1221 {
1222 SET_R (this);
1223 SET_LOCALE (locale);
1224
1225 pointer_blank ();
1226 }
1227 #endif
1228
1229 void
1230 rxvt_term::mouse_report (XButtonEvent &ev)
1231 {
1232 int button_number, key_state = 0;
1233 int x, y;
1234
1235 x = ev.x;
1236 y = ev.y;
1237 pixel_position (&x, &y);
1238
1239 if (MEvent.button == AnyButton)
1240 button_number = 3;
1241 else
1242 {
1243 button_number = MEvent.button - Button1;
1244 /* add 0x3D for wheel events, like xterm does */
1245 if (button_number >= 3)
1246 button_number += (64 - 3);
1247 }
1248
1249 if (priv_modes & PrivMode_MouseX10)
1250 {
1251 /*
1252 * do not report ButtonRelease
1253 * no state info allowed
1254 */
1255 key_state = 0;
1256 if (button_number == 3)
1257 return;
1258 }
1259 else
1260 {
1261 /* XTerm mouse reporting needs these values:
1262 * 4 = Shift
1263 * 8 = Meta
1264 * 16 = Control
1265 * plus will add in our own Double-Click reporting
1266 * 32 = Double Click
1267 */
1268 key_state = ((MEvent.state & ShiftMask) ? 4 : 0)
1269 + ((MEvent.state & ModMetaMask) ? 8 : 0)
1270 + ((MEvent.state & ControlMask) ? 16 : 0);
1271 #ifdef MOUSE_REPORT_DOUBLECLICK
1272 key_state += ((MEvent.clicks > 1) ? 32 : 0);
1273 #endif
1274 }
1275
1276 #if DEBUG_MOUSEREPORT
1277 fprintf (stderr, "Mouse [");
1278 if (key_state & 16)
1279 fputc ('C', stderr);
1280 if (key_state & 4)
1281 fputc ('S', stderr);
1282 if (key_state & 8)
1283 fputc ('A', stderr);
1284 if (key_state & 32)
1285 fputc ('2', stderr);
1286 fprintf (stderr, "]: <%d>, %d/%d\n",
1287 button_number,
1288 x + 1,
1289 y + 1);
1290 #endif
1291
1292 tt_printf ("\033[M%c%c%c",
1293 (32 + button_number + key_state),
1294 (32 + x + 1),
1295 (32 + y + 1));
1296 }
1297
1298 #ifdef USING_W11LIB
1299 void
1300 rxvt_W11_process_x_event (XEvent *ev)
1301 {
1302 rxvt_t *r = rxvt_get_r ();
1303
1304 x_cb (*ev);
1305 }
1306 #endif
1307
1308 /*{{{ process an X event */
1309 void
1310 rxvt_term::x_cb (XEvent &ev)
1311 {
1312 dDisp;
1313
1314 SET_R (this);
1315 SET_LOCALE (locale);
1316
1317 #if defined(CURSOR_BLINK)
1318 if (OPTION (Opt_cursorBlink) && ev.type == KeyPress)
1319 {
1320 if (hidden_cursor)
1321 {
1322 hidden_cursor = 0;
1323 want_refresh = 1;
1324 }
1325
1326 cursor_blink_ev.start (NOW + BLINK_INTERVAL);
1327 }
1328 #endif
1329
1330 #if defined(POINTER_BLANK)
1331 if (OPTION (Opt_pointerBlank) && pointerBlankDelay > 0)
1332 {
1333 if (ev.type == MotionNotify
1334 || ev.type == ButtonPress
1335 || ev.type == ButtonRelease)
1336 if (hidden_pointer)
1337 pointer_unblank ();
1338
1339 if (ev.type == KeyPress && hidden_pointer == 0)
1340 pointer_blank ();
1341 }
1342 #endif
1343
1344 Window unused_root, unused_child;
1345 int unused_root_x, unused_root_y;
1346 unsigned int unused_mask;
1347
1348 switch (ev.type)
1349 {
1350 case KeyPress:
1351 #if ISO_14755
1352 if (!(iso14755buf & ISO_14755_52))
1353 #endif
1354 lookup_key (ev.xkey);
1355
1356 break;
1357
1358 case KeyRelease:
1359 {
1360 #if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ISO_14755
1361 KeySym ks;
1362
1363 ks = XLookupKeysym (&ev.xkey, ev.xkey.state & ShiftMask ? 1 : 0); // sorry, only shift supported :/
1364 #endif
1365
1366 #if ENABLE_FRILLS || ISO_14755
1367 // ISO 14755 support
1368 if (iso14755buf)
1369 if (iso14755buf & ISO_14755_52)
1370 {
1371 # if ENABLE_OVERLAY
1372 scr_overlay_off ();
1373 # endif
1374 # if ISO_14755
1375 // iso14755 part 5.2 handling: release time
1376 // first: controls
1377 if ((ev.xkey.state & ControlMask)
1378 && ((ks >= 0x40 && ks <= 0x5f)
1379 || (ks >= 0x61 && ks <= 0x7f)))
1380 {
1381 iso14755buf = ISO_14755_51 | 0x2400 | (ks & 0x1f);
1382 commit_iso14755 ();
1383 return; // case-break;
1384 }
1385
1386 for (unsigned short *i = iso14755_symtab; i[0]; i+= 2)
1387 if (i[0] == ks)
1388 {
1389 iso14755buf = ISO_14755_51 | i[1];
1390 commit_iso14755 ();
1391 return; // case-break;
1392 }
1393
1394 scr_bell ();
1395 # endif
1396 iso14755buf = 0;
1397 break;
1398 }
1399 else if ((ev.xkey.state & (ShiftMask | ControlMask)) != (ShiftMask | ControlMask))
1400 {
1401 # if ENABLE_OVERLAY
1402 scr_overlay_off ();
1403 # endif
1404 if (iso14755buf & ISO_14755_51)
1405 commit_iso14755 ();
1406 #if ISO_14755
1407 else if (iso14755buf & ISO_14755_STARTED)
1408 {
1409 iso14755buf = ISO_14755_52; // iso14755 part 5.2: remember empty begin/end pair
1410
1411 scr_overlay_new (0, -1, sizeof ("KEYCAP PICTURE INSERT MODE") - 1, 1);
1412 scr_overlay_set (0, 0, "KEYCAP PICTURE INSERT MODE");
1413 }
1414 # endif
1415 else
1416 iso14755buf = 0;
1417 }
1418 #endif
1419
1420 if (ev.xany.window == vt && HOOK_INVOKE ((this, HOOK_KEY_RELEASE, DT_XEVENT, &ev, DT_END)))
1421 break;
1422
1423 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
1424 if (!(ev.xkey.state & ControlMask))
1425 slip_wheel_ev.stop ();
1426 else if (ks == XK_Control_L || ks == XK_Control_R)
1427 mouse_slip_wheel_speed = 0;
1428 #endif
1429 break;
1430 }
1431
1432 case ButtonPress:
1433 button_press (ev.xbutton);
1434 break;
1435
1436 case ButtonRelease:
1437 button_release (ev.xbutton);
1438 break;
1439
1440 case ClientMessage:
1441 if (ev.xclient.format == 32
1442 && ev.xclient.message_type == xa[XA_WM_PROTOCOLS])
1443 {
1444 if (ev.xclient.data.l[0] == xa[XA_WM_DELETE_WINDOW])
1445 destroy ();
1446 #if ENABLE_EWMH
1447 else if (ev.xclient.data.l[0] == xa[XA_NET_WM_PING])
1448 XSendEvent (disp, ev.xclient.window = display->root,
1449 False, SubstructureRedirectMask | SubstructureNotifyMask,
1450 &ev);
1451 #endif
1452 }
1453 #if ENABLE_XEMBED
1454 else if (ev.xclient.format == 32 && ev.xclient.message_type == xa[XA_XEMBED])
1455 {
1456 if (ev.xclient.data.l[1] == XEMBED_FOCUS_IN)
1457 focus_in ();
1458 else if (ev.xclient.data.l[1] == XEMBED_FOCUS_OUT)
1459 focus_out ();
1460 }
1461 #endif
1462 #ifdef OFFIX_DND
1463 /* OffiX Dnd (drag 'n' drop) protocol */
1464 else if (ev.xclient.message_type == xa[XA_DNDPROTOCOL]
1465 && (ev.xclient.data.l[0] == DndFile
1466 || ev.xclient.data.l[0] == DndDir
1467 || ev.xclient.data.l[0] == DndLink))
1468 {
1469 /* Get Dnd data */
1470 Atom ActualType;
1471 int ActualFormat;
1472 unsigned char *data;
1473 unsigned long Size, RemainingBytes;
1474
1475 XGetWindowProperty (disp, display->root,
1476 xa[XA_DNDSELECTION],
1477 0L, 1000000L,
1478 False, AnyPropertyType,
1479 &ActualType, &ActualFormat,
1480 &Size, &RemainingBytes,
1481 &data);
1482 set_string_property (XA_CUT_BUFFER0, data);
1483 XFree (data);
1484 selection_paste (display->root, XA_CUT_BUFFER0, true);
1485 XSetInputFocus (disp, display->root, RevertToNone, CurrentTime);
1486 }
1487 #endif /* OFFIX_DND */
1488 break;
1489
1490 case MappingNotify:
1491 XRefreshKeyboardMapping (&ev.xmapping);
1492 break;
1493
1494 /*
1495 * XXX: this is not the _current_ arrangement
1496 * Here's my conclusion:
1497 * If the window is completely unobscured, use bitblt's
1498 * to scroll. Even then, they're only used when doing partial
1499 * screen scrolling. When partially obscured, we have to fill
1500 * in the GraphicsExpose parts, which means that after each refresh,
1501 * we need to wait for the graphics expose or Noexpose events,
1502 * which ought to make things real slow!
1503 */
1504 case VisibilityNotify:
1505 switch (ev.xvisibility.state)
1506 {
1507 case VisibilityUnobscured:
1508 refresh_type = FAST_REFRESH;
1509 break;
1510 case VisibilityPartiallyObscured:
1511 refresh_type = SLOW_REFRESH;
1512 break;
1513 default:
1514 refresh_type = NO_REFRESH;
1515 break;
1516 }
1517 break;
1518
1519 case FocusIn:
1520 focus_in ();
1521 break;
1522
1523 case FocusOut:
1524 focus_out ();
1525 break;
1526
1527 case ConfigureNotify:
1528 if (ev.xconfigure.window == parent[0])
1529 {
1530 while (XCheckTypedWindowEvent (disp, ev.xconfigure.window, ConfigureNotify, &ev))
1531 ;
1532
1533 if (szHint.width != ev.xconfigure.width || szHint.height != ev.xconfigure.height)
1534 {
1535 seen_resize = 1;
1536 resize_all_windows (ev.xconfigure.width, ev.xconfigure.height, 1);
1537 }
1538
1539 #ifdef TRANSPARENT /* XXX: maybe not needed - leave in for now */
1540 if (OPTION (Opt_transparent))
1541 check_our_parents ();
1542 #endif
1543 }
1544 break;
1545
1546 case PropertyNotify:
1547 if (ev.xproperty.atom == xa[XA_VT_SELECTION]
1548 && ev.xproperty.state == PropertyNewValue)
1549 selection_property (ev.xproperty.window, ev.xproperty.atom);
1550
1551 break;
1552
1553 case SelectionClear:
1554 selection_clear ();
1555 break;
1556
1557 case SelectionNotify:
1558 if (selection_wait == Sel_normal)
1559 selection_paste (ev.xselection.requestor, ev.xselection.property, true);
1560 break;
1561
1562 case SelectionRequest:
1563 selection_send (ev.xselectionrequest);
1564 break;
1565
1566 case UnmapNotify:
1567 mapped = 0;
1568 #ifdef TEXT_BLINK
1569 text_blink_ev.stop ();
1570 #endif
1571 break;
1572
1573 case MapNotify:
1574 mapped = 1;
1575 #ifdef TEXT_BLINK
1576 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);
1577 #endif
1578 break;
1579
1580 #ifdef TRANSPARENT
1581 case ReparentNotify:
1582 rootwin_cb (ev);
1583 break;
1584 #endif /* TRANSPARENT */
1585
1586 case GraphicsExpose:
1587 case Expose:
1588 if (ev.xany.window == vt)
1589 {
1590 do
1591 scr_expose (ev.xexpose.x, ev.xexpose.y,
1592 ev.xexpose.width, ev.xexpose.height, False);
1593 while (XCheckTypedWindowEvent (disp, vt, ev.xany.type, &ev));
1594
1595 ev.xany.type = ev.xany.type == Expose ? GraphicsExpose : Expose;
1596
1597 while (XCheckTypedWindowEvent (disp, vt, ev.xany.type, &ev))
1598 scr_expose (ev.xexpose.x, ev.xexpose.y,
1599 ev.xexpose.width, ev.xexpose.height, False);
1600
1601 scr_refresh (refresh_type);
1602 }
1603 else
1604 {
1605 XEvent unused_event;
1606
1607 while (XCheckTypedWindowEvent (disp, ev.xany.window, Expose, &unused_event))
1608 ;
1609 while (XCheckTypedWindowEvent (disp, ev.xany.window, GraphicsExpose, &unused_event))
1610 ;
1611
1612 if (isScrollbarWindow (ev.xany.window))
1613 {
1614 scrollBar.setIdle ();
1615 scrollbar_show (0);
1616 }
1617 #ifdef MENUBAR
1618 if (menubar_visible () && isMenuBarWindow (ev.xany.window))
1619 menubar_expose ();
1620 #endif
1621
1622 #ifdef TRANSPARENT
1623 if (am_transparent && ev.xany.window == parent[0])
1624 XClearWindow (disp, ev.xany.window);
1625 #endif
1626 }
1627 break;
1628
1629 case MotionNotify:
1630 #ifdef POINTER_BLANK
1631 if (hidden_pointer)
1632 pointer_unblank ();
1633 #endif
1634 #if MENUBAR
1635 if (isMenuBarWindow (ev.xany.window))
1636 {
1637 menubar_control (ev.xbutton);
1638 break;
1639 }
1640 #endif
1641 if ((priv_modes & PrivMode_mouse_report) && !bypass_keystate)
1642 break;
1643
1644 if (ev.xany.window == vt)
1645 {
1646 if (HOOK_INVOKE ((this, HOOK_MOTION_NOTIFY, DT_XEVENT, &ev, DT_END)))
1647 ; // nop
1648 else if (ev.xbutton.state & (Button1Mask | Button3Mask))
1649 {
1650 while (XCheckTypedWindowEvent (disp, vt, MotionNotify, &ev))
1651 ;
1652
1653 XQueryPointer (disp, vt,
1654 &unused_root, &unused_child,
1655 &unused_root_x, &unused_root_y,
1656 &ev.xbutton.x, &ev.xbutton.y,
1657 &ev.xbutton.state);
1658 #ifdef MOUSE_THRESHOLD
1659 /* deal with a `jumpy' mouse */
1660 if ((ev.xmotion.time - MEvent.time) > MOUSE_THRESHOLD)
1661 {
1662 #endif
1663 #if ISO_14755
1664 // 5.4
1665 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_54))
1666 {
1667 iso14755_54 (ev.xbutton.x, ev.xbutton.y);
1668 break;
1669 }
1670 #endif
1671 selection_extend (ev.xbutton.x, ev.xbutton.y,
1672 ev.xbutton.state & Button3Mask ? 2 : 0);
1673
1674 #ifdef SELECTION_SCROLLING
1675 if (ev.xbutton.y < int_bwidth
1676 || Pixel2Row (ev.xbutton.y) > (nrow-1))
1677 {
1678 int dist;
1679
1680 /* don't clobber the current delay if we are
1681 * already in the middle of scrolling.
1682 */
1683 if (!sel_scroll_ev.active)
1684 sel_scroll_ev.start (NOW + SCROLLBAR_INITIAL_DELAY);
1685
1686 /* save the event params so we can highlight
1687 * the selection in the pending-scroll loop
1688 */
1689 selection_save_x = ev.xbutton.x;
1690 selection_save_y = ev.xbutton.y;
1691 selection_save_state = (ev.xbutton.state & Button3Mask) ? 2 : 0;
1692
1693 /* calc number of lines to scroll */
1694 if (ev.xbutton.y < int_bwidth)
1695 {
1696 scroll_selection_dir = UP;
1697 dist = int_bwidth - ev.xbutton.y;
1698 }
1699 else
1700 {
1701 scroll_selection_dir = DN;
1702 dist = ev.xbutton.y - (int_bwidth + height);
1703 }
1704
1705 scroll_selection_lines = Pixel2Height (dist)
1706 / SELECTION_SCROLL_LINE_SPEEDUP
1707 + 1;
1708 min_it (scroll_selection_lines,
1709 SELECTION_SCROLL_MAX_LINES);
1710 }
1711 else
1712 {
1713 /* we are within the text window, so we
1714 * shouldn't be scrolling
1715 */
1716 if (sel_scroll_ev.active)
1717 sel_scroll_ev.stop();
1718 }
1719 #endif
1720 #ifdef MOUSE_THRESHOLD
1721 }
1722 #endif
1723 }
1724 }
1725 else if (isScrollbarWindow (ev.xany.window) && scrollbar_isMotion ())
1726 {
1727 while (XCheckTypedWindowEvent (disp, scrollBar.win,
1728 MotionNotify, &ev))
1729 ;
1730
1731 XQueryPointer (disp, scrollBar.win,
1732 &unused_root, &unused_child,
1733 &unused_root_x, &unused_root_y,
1734 &ev.xbutton.x, &ev.xbutton.y,
1735 &unused_mask);
1736 scr_move_to (scrollbar_position (ev.xbutton.y) - csrO,
1737 scrollbar_size ());
1738 scr_refresh (refresh_type);
1739 refresh_limit = 0;
1740 scrollbar_show (1);
1741 }
1742 break;
1743 }
1744 }
1745
1746 void
1747 rxvt_term::focus_in ()
1748 {
1749 if (!focus)
1750 {
1751 focus = 1;
1752 want_refresh = 1;
1753
1754 HOOK_INVOKE ((this, HOOK_FOCUS_OUT, DT_END));
1755
1756 #if USE_XIM
1757 if (Input_Context != NULL)
1758 {
1759 IMSetStatusPosition ();
1760 XSetICFocus (Input_Context);
1761 }
1762 #endif
1763 #if CURSOR_BLINK
1764 if (OPTION (Opt_cursorBlink))
1765 cursor_blink_ev.start (NOW + BLINK_INTERVAL);
1766 #endif
1767 #if OFF_FOCUS_FADING
1768 if (rs[Rs_fade])
1769 {
1770 pix_colors = pix_colors_focused;
1771 scr_recolour ();
1772 }
1773 #endif
1774 }
1775 }
1776
1777 void
1778 rxvt_term::focus_out ()
1779 {
1780 if (focus)
1781 {
1782 focus = 0;
1783 want_refresh = 1;
1784
1785 HOOK_INVOKE ((this, HOOK_FOCUS_OUT, DT_END));
1786
1787 #if ENABLE_FRILLS || ISO_14755
1788 if (iso14755buf)
1789 {
1790 iso14755buf = 0;
1791 # if ENABLE_OVERLAY
1792 scr_overlay_off ();
1793 # endif
1794 }
1795 #endif
1796 #if USE_XIM
1797 if (Input_Context != NULL)
1798 XUnsetICFocus (Input_Context);
1799 #endif
1800 #if CURSOR_BLINK
1801 if (OPTION (Opt_cursorBlink))
1802 cursor_blink_ev.stop ();
1803 hidden_cursor = 0;
1804 #endif
1805 #if OFF_FOCUS_FADING
1806 if (rs[Rs_fade])
1807 {
1808 pix_colors = pix_colors_unfocused;
1809 scr_recolour ();
1810 }
1811 #endif
1812 }
1813 }
1814
1815 #if TRANSPARENT
1816 void
1817 rxvt_term::rootwin_cb (XEvent &ev)
1818 {
1819 SET_R (this);
1820 SET_LOCALE (locale);
1821
1822 switch (ev.type)
1823 {
1824 case PropertyNotify:
1825 /*
1826 * if user used some Esetroot compatible prog to set the root bg,
1827 * use the property to determine the pixmap. We use it later on.
1828 */
1829 if (ev.xproperty.atom != xa[XA_XROOTPMAP_ID]
1830 && ev.xproperty.atom != xa[XA_ESETROOT_PMAP_ID])
1831 return;
1832
1833 /* FALLTHROUGH */
1834 case ReparentNotify:
1835 if (OPTION (Opt_transparent) && check_our_parents () && am_transparent)
1836 want_refresh = want_full_refresh = 1;
1837 break;
1838 }
1839 }
1840 #endif
1841
1842 void
1843 rxvt_term::button_press (XButtonEvent &ev)
1844 {
1845 int reportmode = 0, clickintime;
1846
1847 bypass_keystate = ev.state & (ModMetaMask | ShiftMask);
1848
1849 if (!bypass_keystate)
1850 reportmode = !! (priv_modes & PrivMode_mouse_report);
1851
1852 /*
1853 * VT window processing of button press
1854 */
1855 if (ev.window == vt)
1856 {
1857 #if ISO_14755
1858 // 5.4
1859 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_54))
1860 {
1861 iso14755_54 (ev.x, ev.y);
1862 return;
1863 }
1864 #endif
1865
1866 clickintime = ev.time - MEvent.time < MULTICLICK_TIME;
1867
1868 if (reportmode)
1869 {
1870 /* mouse report from vt window */
1871 /* save the xbutton state (for ButtonRelease) */
1872 MEvent.state = ev.state;
1873 #ifdef MOUSE_REPORT_DOUBLECLICK
1874 if (ev.button == MEvent.button && clickintime)
1875 {
1876 /* same button, within alloted time */
1877 MEvent.clicks++;
1878
1879 if (MEvent.clicks > 1)
1880 {
1881 /* only report double clicks */
1882 MEvent.clicks = 2;
1883 mouse_report (ev);
1884
1885 /* don't report the release */
1886 MEvent.clicks = 0;
1887 MEvent.button = AnyButton;
1888 }
1889 }
1890 else
1891 {
1892 /* different button, or time expired */
1893 MEvent.clicks = 1;
1894 MEvent.button = ev.button;
1895 mouse_report (ev);
1896 }
1897 #else
1898 MEvent.button = ev.button;
1899 mouse_report (ev);
1900 #endif /* MOUSE_REPORT_DOUBLECLICK */
1901
1902 }
1903 else
1904 {
1905 if (ev.button != MEvent.button)
1906 MEvent.clicks = 0;
1907
1908 if (!HOOK_INVOKE ((this, HOOK_BUTTON_PRESS, DT_XEVENT, &ev, DT_END)))
1909 switch (ev.button)
1910 {
1911 case Button1:
1912 /* allow meta + click to select rectangular areas */
1913 /* should be done in screen.C */
1914 #if ENABLE_FRILLS
1915 selection.rect = !!(ev.state & ModMetaMask);
1916 #else
1917 selection.rect = false;
1918 #endif
1919
1920 /* allow shift+left click to extend selection */
1921 if (ev.state & ShiftMask && ! (priv_modes & PrivMode_mouse_report))
1922 {
1923 if (MEvent.button == Button1 && clickintime)
1924 selection_rotate (ev.x, ev.y);
1925 else
1926 selection_extend (ev.x, ev.y, 1);
1927 }
1928 else
1929 {
1930 if (MEvent.button == Button1 && clickintime)
1931 MEvent.clicks++;
1932 else
1933 MEvent.clicks = 1;
1934
1935 selection_click (MEvent.clicks, ev.x, ev.y);
1936 }
1937
1938 MEvent.button = Button1;
1939 break;
1940
1941 case Button3:
1942 if (MEvent.button == Button3 && clickintime)
1943 selection_rotate (ev.x, ev.y);
1944 else
1945 selection_extend (ev.x, ev.y, 1);
1946
1947 MEvent.button = Button3;
1948 break;
1949 }
1950 }
1951
1952 MEvent.time = ev.time;
1953 return;
1954 }
1955
1956 /*
1957 * Scrollbar window processing of button press
1958 */
1959 if (isScrollbarWindow (ev.window))
1960 {
1961 scrollBar.setIdle ();
1962 /*
1963 * Rxvt-style scrollbar:
1964 * move up if mouse is above slider
1965 * move dn if mouse is below slider
1966 *
1967 * XTerm-style scrollbar:
1968 * Move display proportional to pointer location
1969 * pointer near top -> scroll one line
1970 * pointer near bot -> scroll full page
1971 */
1972 #ifndef NO_SCROLLBAR_REPORT
1973 if (reportmode)
1974 {
1975 /*
1976 * Mouse report disabled scrollbar:
1977 * arrow buttons - send up/down
1978 * click on scrollbar - send pageup/down
1979 */
1980 if ((scrollBar.style == R_SB_NEXT
1981 && scrollbarnext_upButton (ev.y))
1982 || (scrollBar.style == R_SB_RXVT
1983 && scrollbarrxvt_upButton (ev.y)))
1984 tt_printf ("\033[A");
1985 else if ((scrollBar.style == R_SB_NEXT
1986 && scrollbarnext_dnButton (ev.y))
1987 || (scrollBar.style == R_SB_RXVT
1988 && scrollbarrxvt_dnButton (ev.y)))
1989 tt_printf ("\033[B");
1990 else
1991 switch (ev.button)
1992 {
1993 case Button2:
1994 tt_printf ("\014");
1995 break;
1996 case Button1:
1997 tt_printf ("\033[6~");
1998 break;
1999 case Button3:
2000 tt_printf ("\033[5~");
2001 break;
2002 }
2003 }
2004 else
2005 #endif /* NO_SCROLLBAR_REPORT */
2006
2007 {
2008 char upordown = 0;
2009
2010 if (scrollBar.style == R_SB_NEXT)
2011 {
2012 if (scrollbarnext_upButton (ev.y))
2013 upordown = -1; /* up */
2014 else if (scrollbarnext_dnButton (ev.y))
2015 upordown = 1; /* down */
2016 }
2017 else if (scrollBar.style == R_SB_RXVT)
2018 {
2019 if (scrollbarrxvt_upButton (ev.y))
2020 upordown = -1; /* up */
2021 else if (scrollbarrxvt_dnButton (ev.y))
2022 upordown = 1; /* down */
2023 }
2024 if (upordown)
2025 {
2026 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
2027 cont_scroll_ev.start (NOW + SCROLLBAR_INITIAL_DELAY);
2028 #endif
2029 if (scr_page (upordown < 0 ? UP : DN, 1))
2030 {
2031 if (upordown < 0)
2032 scrollBar.setUp ();
2033 else
2034 scrollBar.setDn ();
2035 }
2036 }
2037 else
2038 switch (ev.button)
2039 {
2040 case Button2:
2041 switch (scrollbar_align)
2042 {
2043 case R_SB_ALIGN_TOP:
2044 csrO = 0;
2045 break;
2046 case R_SB_ALIGN_CENTRE:
2047 csrO = (scrollBar.bot - scrollBar.top) / 2;
2048 break;
2049 case R_SB_ALIGN_BOTTOM:
2050 csrO = scrollBar.bot - scrollBar.top;
2051 break;
2052 }
2053
2054 if (scrollBar.style == R_SB_XTERM
2055 || scrollbar_above_slider (ev.y)
2056 || scrollbar_below_slider (ev.y))
2057 scr_move_to (scrollbar_position (ev.y) - csrO, scrollbar_size ());
2058
2059 scrollBar.setMotion ();
2060 break;
2061
2062 case Button1:
2063 if (scrollbar_align == R_SB_ALIGN_CENTRE)
2064 csrO = ev.y - scrollBar.top;
2065 /* FALLTHROUGH */
2066
2067 case Button3:
2068 if (scrollBar.style != R_SB_XTERM)
2069 {
2070 if (scrollbar_above_slider (ev.y))
2071 # ifdef RXVT_SCROLL_FULL
2072 scr_page (UP, nrow - 1);
2073 # else
2074 scr_page (UP, nrow / 4);
2075 # endif
2076 else if (scrollbar_below_slider (ev.y))
2077 # ifdef RXVT_SCROLL_FULL
2078 scr_page (DN, nrow - 1);
2079 # else
2080 scr_page (DN, nrow / 4);
2081 # endif
2082 else
2083 scrollBar.setMotion ();
2084 }
2085 else
2086 {
2087 scr_page ((ev.button == Button1 ? DN : UP),
2088 (nrow
2089 * scrollbar_position (ev.y)
2090 / scrollbar_size ()));
2091 }
2092
2093 break;
2094 }
2095 }
2096
2097 return;
2098 }
2099
2100 #if MENUBAR
2101 /*
2102 * Menubar window processing of button press
2103 */
2104 if (isMenuBarWindow (ev.window))
2105 menubar_control (ev);
2106 #endif
2107 }
2108
2109 void
2110 rxvt_term::button_release (XButtonEvent &ev)
2111 {
2112 int reportmode = 0;
2113
2114 csrO = 0; /* reset csr Offset */
2115 if (!bypass_keystate)
2116 reportmode = !! (priv_modes & PrivMode_mouse_report);
2117
2118 if (scrollbar_isUpDn ())
2119 {
2120 scrollBar.setIdle ();
2121 scrollbar_show (0);
2122 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
2123 refresh_type &= ~SMOOTH_REFRESH;
2124 #endif
2125 }
2126
2127 #ifdef SELECTION_SCROLLING
2128 if (sel_scroll_ev.active)
2129 sel_scroll_ev.stop();
2130 #endif
2131
2132 if (ev.window == vt)
2133 {
2134 #if ISO_14755
2135 // 5.4
2136 if (iso14755buf & (ISO_14755_STARTED | ISO_14755_54))
2137 return;
2138 #endif
2139 if (reportmode)
2140 {
2141 /* mouse report from vt window */
2142 /* don't report release of wheel "buttons" */
2143 if (ev.button >= 4)
2144 return;
2145 #ifdef MOUSE_REPORT_DOUBLECLICK
2146 /* only report the release of 'slow' single clicks */
2147 if (MEvent.button != AnyButton
2148 && (ev.button != MEvent.button
2149 || (ev.time - MEvent.time
2150 > MULTICLICK_TIME / 2)))
2151 {
2152 MEvent.clicks = 0;
2153 MEvent.button = AnyButton;
2154 mouse_report (ev);
2155 }
2156 #else /* MOUSE_REPORT_DOUBLECLICK */
2157 MEvent.button = AnyButton;
2158 mouse_report (ev);
2159 #endif /* MOUSE_REPORT_DOUBLECLICK */
2160 return;
2161 }
2162
2163 /*
2164 * dumb hack to compensate for the failure of click-and-drag
2165 * when overriding mouse reporting
2166 */
2167 if (priv_modes & PrivMode_mouse_report
2168 && bypass_keystate
2169 && ev.button == Button1 && MEvent.clicks <= 1)
2170 selection_extend (ev.x, ev.y, 0);
2171
2172 if (!HOOK_INVOKE ((this, HOOK_BUTTON_RELEASE, DT_XEVENT, &ev, DT_END)))
2173 return;
2174
2175 switch (ev.button)
2176 {
2177 case Button1:
2178 case Button3:
2179 selection_make (ev.time);
2180 break;
2181 case Button2:
2182 selection_request (ev.time, ev.x, ev.y);
2183 break;
2184 #ifdef MOUSE_WHEEL
2185 case Button4:
2186 case Button5:
2187 {
2188 int i;
2189 page_dirn v;
2190
2191 v = ev.button == Button4 ? UP : DN;
2192
2193 if (ev.state & ShiftMask)
2194 i = 1;
2195 else if (OPTION (Opt_mouseWheelScrollPage))
2196 i = nrow - 1;
2197 else
2198 i = 5;
2199
2200 # ifdef MOUSE_SLIP_WHEELING
2201 if (ev.state & ControlMask)
2202 {
2203 mouse_slip_wheel_speed += v ? -1 : 1;
2204 if (mouse_slip_wheel_speed < -nrow) mouse_slip_wheel_speed = -nrow;
2205 if (mouse_slip_wheel_speed > +nrow) mouse_slip_wheel_speed = +nrow;
2206
2207 if (slip_wheel_ev.at < NOW)
2208 slip_wheel_ev.at = NOW + SCROLLBAR_CONTINUOUS_DELAY;
2209
2210 slip_wheel_ev.start ();
2211 }
2212 else
2213 {
2214 # endif
2215 # ifdef JUMP_MOUSE_WHEEL
2216 scr_page (v, i);
2217 scr_refresh (SMOOTH_REFRESH);
2218 scrollbar_show (1);
2219 # else
2220 while (i--)
2221 {
2222 scr_page (v, 1);
2223 scr_refresh (SMOOTH_REFRESH);
2224 scrollbar_show (1);
2225 }
2226 # endif
2227 # ifdef MOUSE_SLIP_WHEELING
2228 }
2229 #endif
2230 }
2231 break;
2232 #endif
2233 }
2234 }
2235 #ifdef MENUBAR
2236 else if (isMenuBarWindow (ev.window))
2237 menubar_control (ev);
2238 #endif
2239 }
2240
2241 #ifdef TRANSPARENT
2242 #if TINTING
2243 /* taken from aterm-0.4.2 */
2244
2245 typedef uint32_t RUINT32T;
2246
2247 void ShadeXImage(rxvt_display *display, XImage* srcImage, int shade, int rm, int gm, int bm)
2248 {
2249 int sh_r, sh_g, sh_b;
2250 RUINT32T mask_r, mask_g, mask_b;
2251 RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;
2252 unsigned int lower_lim_r, lower_lim_g, lower_lim_b;
2253 unsigned int upper_lim_r, upper_lim_g, upper_lim_b;
2254 int i;
2255
2256 Visual *visual = display->visual;
2257
2258 if( visual->c_class != TrueColor || srcImage->format != ZPixmap ) return ;
2259
2260 /* for convenience */
2261 mask_r = visual->red_mask;
2262 mask_g = visual->green_mask;
2263 mask_b = visual->blue_mask;
2264
2265 /* boring lookup table pre-initialization */
2266 switch (srcImage->bits_per_pixel) {
2267 case 15:
2268 if ((mask_r != 0x7c00) ||
2269 (mask_g != 0x03e0) ||
2270 (mask_b != 0x001f))
2271 return;
2272 lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+32+32));
2273 lookup_r = lookup;
2274 lookup_g = lookup+32;
2275 lookup_b = lookup+32+32;
2276 sh_r = 10;
2277 sh_g = 5;
2278 sh_b = 0;
2279 break;
2280 case 16:
2281 if ((mask_r != 0xf800) ||
2282 (mask_g != 0x07e0) ||
2283 (mask_b != 0x001f))
2284 return;
2285 lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(32+64+32));
2286 lookup_r = lookup;
2287 lookup_g = lookup+32;
2288 lookup_b = lookup+32+64;
2289 sh_r = 11;
2290 sh_g = 5;
2291 sh_b = 0;
2292 break;
2293 case 24:
2294 if ((mask_r != 0xff0000) ||
2295 (mask_g != 0x00ff00) ||
2296 (mask_b != 0x0000ff))
2297 return;
2298 lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));
2299 lookup_r = lookup;
2300 lookup_g = lookup+256;
2301 lookup_b = lookup+256+256;
2302 sh_r = 16;
2303 sh_g = 8;
2304 sh_b = 0;
2305 break;
2306 case 32:
2307 if ((mask_r != 0xff0000) ||
2308 (mask_g != 0x00ff00) ||
2309 (mask_b != 0x0000ff))
2310 return;
2311 lookup = (RUINT32T *) malloc (sizeof (RUINT32T)*(256+256+256));
2312 lookup_r = lookup;
2313 lookup_g = lookup+256;
2314 lookup_b = lookup+256+256;
2315 sh_r = 16;
2316 sh_g = 8;
2317 sh_b = 0;
2318 break;
2319 default:
2320 return; /* we do not support this color depth */
2321 }
2322
2323 /* prepare limits for color transformation (each channel is handled separately) */
2324 if (shade < 0) {
2325 shade = -shade;
2326 if (shade < 0) shade = 0;
2327 if (shade > 100) shade = 100;
2328
2329 lower_lim_r = 65535-rm;
2330 lower_lim_g = 65535-gm;
2331 lower_lim_b = 65535-bm;
2332
2333 lower_lim_r = 65535-(unsigned int)(((RUINT32T)lower_lim_r)*((RUINT32T)shade)/100);
2334 lower_lim_g = 65535-(unsigned int)(((RUINT32T)lower_lim_g)*((RUINT32T)shade)/100);
2335 lower_lim_b = 65535-(unsigned int)(((RUINT32T)lower_lim_b)*((RUINT32T)shade)/100);
2336
2337 upper_lim_r = upper_lim_g = upper_lim_b = 65535;
2338 } else {
2339 if (shade < 0) shade = 0;
2340 if (shade > 100) shade = 100;
2341
2342 lower_lim_r = lower_lim_g = lower_lim_b = 0;
2343
2344 upper_lim_r = (unsigned int)((((RUINT32T)rm)*((RUINT32T)shade))/100);
2345 upper_lim_g = (unsigned int)((((RUINT32T)gm)*((RUINT32T)shade))/100);
2346 upper_lim_b = (unsigned int)((((RUINT32T)bm)*((RUINT32T)shade))/100);
2347 }
2348
2349 /* switch red and blue bytes if necessary, we need it for some weird XServers like XFree86 3.3.3.1 */
2350 if ((srcImage->bits_per_pixel == 24) && (mask_r >= 0xFF0000 ))
2351 {
2352 unsigned int tmp;
2353
2354 tmp = lower_lim_r;
2355 lower_lim_r = lower_lim_b;
2356 lower_lim_b = tmp;
2357
2358 tmp = upper_lim_r;
2359 upper_lim_r = upper_lim_b;
2360 upper_lim_b = tmp;
2361 }
2362
2363 /* fill our lookup tables */
2364 for (i = 0; i <= mask_r>>sh_r; i++)
2365 {
2366 RUINT32T tmp;
2367 tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_r-lower_lim_r));
2368 tmp += ((RUINT32T)(mask_r>>sh_r))*((RUINT32T)lower_lim_r);
2369 lookup_r[i] = (tmp/65535)<<sh_r;
2370 }
2371 for (i = 0; i <= mask_g>>sh_g; i++)
2372 {
2373 RUINT32T tmp;
2374 tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_g-lower_lim_g));
2375 tmp += ((RUINT32T)(mask_g>>sh_g))*((RUINT32T)lower_lim_g);
2376 lookup_g[i] = (tmp/65535)<<sh_g;
2377 }
2378 for (i = 0; i <= mask_b>>sh_b; i++)
2379 {
2380 RUINT32T tmp;
2381 tmp = ((RUINT32T)i)*((RUINT32T)(upper_lim_b-lower_lim_b));
2382 tmp += ((RUINT32T)(mask_b>>sh_b))*((RUINT32T)lower_lim_b);
2383 lookup_b[i] = (tmp/65535)<<sh_b;
2384 }
2385
2386 /* apply table to input image (replacing colors by newly calculated ones) */
2387 switch (srcImage->bits_per_pixel)
2388 {
2389 case 15:
2390 {
2391 unsigned short *p1, *pf, *p, *pl;
2392 p1 = (unsigned short *) srcImage->data;
2393 pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
2394 while (p1 < pf)
2395 {
2396 p = p1;
2397 pl = p1 + srcImage->width;
2398 for (; p < pl; p++)
2399 {
2400 *p = lookup_r[(*p & 0x7c00)>>10] |
2401 lookup_g[(*p & 0x03e0)>> 5] |
2402 lookup_b[(*p & 0x001f)];
2403 }
2404 p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
2405 }
2406 break;
2407 }
2408 case 16:
2409 {
2410 unsigned short *p1, *pf, *p, *pl;
2411 p1 = (unsigned short *) srcImage->data;
2412 pf = (unsigned short *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
2413 while (p1 < pf)
2414 {
2415 p = p1;
2416 pl = p1 + srcImage->width;
2417 for (; p < pl; p++)
2418 {
2419 *p = lookup_r[(*p & 0xf800)>>11] |
2420 lookup_g[(*p & 0x07e0)>> 5] |
2421 lookup_b[(*p & 0x001f)];
2422 }
2423 p1 = (unsigned short *) ((char *) p1 + srcImage->bytes_per_line);
2424 }
2425 break;
2426 }
2427 case 24:
2428 {
2429 unsigned char *p1, *pf, *p, *pl;
2430 p1 = (unsigned char *) srcImage->data;
2431 pf = (unsigned char *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
2432 while (p1 < pf)
2433 {
2434 p = p1;
2435 pl = p1 + srcImage->width * 3;
2436 for (; p < pl; p += 3)
2437 {
2438 p[0] = lookup_r[(p[0] & 0xff0000)>>16];
2439 p[1] = lookup_r[(p[1] & 0x00ff00)>> 8];
2440 p[2] = lookup_r[(p[2] & 0x0000ff)];
2441 }
2442 p1 = (unsigned char *) ((char *) p1 + srcImage->bytes_per_line);
2443 }
2444 break;
2445 }
2446 case 32:
2447 {
2448 RUINT32T *p1, *pf, *p, *pl;
2449 p1 = (RUINT32T *) srcImage->data;
2450 pf = (RUINT32T *) (srcImage->data + srcImage->height * srcImage->bytes_per_line);
2451
2452 while (p1 < pf)
2453 {
2454 p = p1;
2455 pl = p1 + srcImage->width;
2456 for (; p < pl; p++)
2457 {
2458 *p = lookup_r[(*p & 0xff0000)>>16] |
2459 lookup_g[(*p & 0x00ff00)>> 8] |
2460 lookup_b[(*p & 0x0000ff)] |
2461 (*p & ~0xffffff);
2462 }
2463 p1 = (RUINT32T *) ((char *) p1 + srcImage->bytes_per_line);
2464 }
2465 break;
2466 }
2467 }
2468
2469 free (lookup);
2470 }
2471 #endif
2472
2473 /*
2474 * Check our parents are still who we think they are.
2475 * Do transparency updates if required
2476 */
2477 int
2478 rxvt_term::check_our_parents ()
2479 {
2480 int i, pchanged, aformat, have_pixmap, rootdepth;
2481 unsigned long nitems, bytes_after;
2482 Atom atype;
2483 unsigned char *prop = NULL;
2484 Window root, oldp, *list;
2485 Pixmap rootpixmap = None;
2486 XWindowAttributes wattr, wrootattr;
2487 dDisp;
2488
2489 pchanged = 0;
2490
2491 if (!OPTION (Opt_transparent))
2492 return pchanged; /* Don't try any more */
2493
2494 XGetWindowAttributes (disp, display->root, &wrootattr);
2495 rootdepth = wrootattr.depth;
2496
2497 XGetWindowAttributes (disp, parent[0], &wattr);
2498
2499 if (rootdepth != wattr.depth)
2500 {
2501 if (am_transparent)
2502 {
2503 pchanged = 1;
2504 XSetWindowBackground (disp, vt, pix_colors_focused[Color_bg]);
2505 am_transparent = am_pixmap_trans = 0;
2506 }
2507
2508 return pchanged; /* Don't try any more */
2509 }
2510
2511 /* Get all X ops out of the queue so that our information is up-to-date. */
2512 XSync (disp, False);
2513
2514 /*
2515 * Make the frame window set by the window manager have
2516 * the root background. Some window managers put multiple nested frame
2517 * windows for each client, so we have to take care about that.
2518 */
2519 i = (xa[XA_XROOTPMAP_ID]
2520 && XGetWindowProperty (disp, display->root, xa[XA_XROOTPMAP_ID],
2521 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
2522 &nitems, &bytes_after, &prop) == Success);
2523
2524 if (!i || prop == NULL)
2525 i = (xa[XA_ESETROOT_PMAP_ID]
2526 && XGetWindowProperty (disp, display->root, xa[XA_ESETROOT_PMAP_ID],
2527 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
2528 &nitems, &bytes_after, &prop) == Success);
2529
2530 if (!i || prop == NULL
2531 #if TINTING
2532 || !rs[Rs_color + Color_tint]
2533 #endif
2534 )
2535 have_pixmap = 0;
2536 else
2537 {
2538 have_pixmap = 1;
2539 rootpixmap = *(Pixmap *)prop;
2540 XFree (prop);
2541 }
2542
2543 if (have_pixmap)
2544 {
2545 /*
2546 * Copy display->root pixmap transparency
2547 */
2548 int sx, sy, nx, ny;
2549 unsigned int nw, nh;
2550 Window cr;
2551 XImage *image;
2552 GC gc;
2553 XGCValues gcvalue;
2554
2555 XTranslateCoordinates (disp, parent[0], display->root,
2556 0, 0, &sx, &sy, &cr);
2557 nw = (unsigned int)szHint.width;
2558 nh = (unsigned int)szHint.height;
2559 nx = ny = 0;
2560
2561 if (sx < 0)
2562 {
2563 nw += sx;
2564 nx = -sx;
2565 sx = 0;
2566 }
2567
2568 if (sy < 0)
2569 {
2570 nh += sy;
2571 ny = -sy;
2572 sy = 0;
2573 }
2574
2575 min_it (nw, (unsigned int) (wrootattr.width - sx));
2576 min_it (nh, (unsigned int) (wrootattr.height - sy));
2577
2578 XSync (disp, False);
2579 allowedxerror = -1;
2580 image = XGetImage (disp, rootpixmap, sx, sy, nw, nh, AllPlanes, ZPixmap);
2581
2582 /* XXX: handle BadMatch - usually because we're outside the pixmap */
2583 /* XXX: may need a delay here? */
2584 allowedxerror = 0;
2585
2586 if (image == NULL)
2587 {
2588 if (am_transparent && am_pixmap_trans)
2589 {
2590 pchanged = 1;
2591 if (pixmap != None)
2592 {
2593 XFreePixmap (disp, pixmap);
2594 pixmap = None;
2595 }
2596 }
2597
2598 am_pixmap_trans = 0;
2599 }
2600 else
2601 {
2602 if (pixmap != None)
2603 XFreePixmap (disp, pixmap);
2604
2605 #if TINTING
2606 if (ISSET_PIXCOLOR (Color_tint))
2607 {
2608 unsigned short rm, gm, bm;
2609 int shade = rs[Rs_shade] ? atoi (rs[Rs_shade]) : 100;
2610
2611 pix_colors_focused[Color_tint].get (display, rm, gm, bm);
2612
2613 ShadeXImage (display, image, shade, rm, gm, bm);
2614 }
2615 #endif
2616
2617 pixmap = XCreatePixmap (disp, vt,
2618 szHint.width, szHint.height, image->depth);
2619 gc = XCreateGC (disp, vt, 0UL, &gcvalue);
2620 XPutImage (disp, pixmap, gc, image, 0, 0,
2621 nx, ny, image->width, image->height);
2622 XFreeGC (disp, gc);
2623 XDestroyImage (image);
2624 XSetWindowBackgroundPixmap (disp, parent[0], pixmap);
2625 XClearWindow (disp, parent[0]);
2626
2627 if (!am_transparent || !am_pixmap_trans)
2628 pchanged = 1;
2629
2630 am_transparent = am_pixmap_trans = 1;
2631 }
2632 }
2633
2634 if (am_pixmap_trans)
2635 XSetWindowBackgroundPixmap (disp, vt, ParentRelative);
2636 else
2637 {
2638 unsigned int n;
2639 /*
2640 * InheritPixmap transparency
2641 */
2642 for (i = 1; i < (int) (sizeof (parent) / sizeof (Window)); i++)
2643 {
2644 oldp = parent[i];
2645 XQueryTree (disp, parent[i - 1], &root,
2646 &parent[i], &list, &n);
2647 XFree (list);
2648
2649 if (parent[i] == display->root)
2650 {
2651 if (oldp != None)
2652 pchanged = 1;
2653
2654 break;
2655 }
2656
2657 if (oldp != parent[i])
2658 pchanged = 1;
2659 }
2660
2661 n = 0;
2662
2663 if (pchanged)
2664 {
2665 for (; n < (unsigned int)i; n++)
2666 {
2667 XGetWindowAttributes (disp, parent[n], &wattr);
2668 if (wattr.depth != rootdepth || wattr.c_class == InputOnly)
2669 {
2670 n = (int) (sizeof (parent) / sizeof (Window)) + 1;
2671 break;
2672 }
2673 }
2674 }
2675
2676 if (n > (int) (sizeof (parent) / sizeof (parent[0])))
2677 {
2678 XSetWindowBackground (disp, parent[0], pix_colors_focused[Color_border]);
2679 XSetWindowBackground (disp, vt, pix_colors_focused[Color_bg]);
2680 am_transparent = 0;
2681 /* XXX: also turn off Opt_transparent? */
2682 }
2683 else
2684 {
2685 #if WAIT_FOR_WM
2686 /* wait (an arbitrary period) for the WM to do its thing
2687 * needed for fvwm2.2.2 (and before?) */
2688 sleep (1);
2689 #endif
2690 for (n = 0; n < (unsigned int)i; n++)
2691 {
2692 XSetWindowBackgroundPixmap (disp, parent[n], ParentRelative);
2693 XClearWindow (disp, parent[n]);
2694 }
2695
2696 XSetWindowBackgroundPixmap (disp, vt, ParentRelative);
2697 am_transparent = 1;
2698 }
2699
2700 for (; i < (int) (sizeof (parent) / sizeof (Window)); i++)
2701 parent[i] = None;
2702 }
2703
2704 if (scrollBar.win)
2705 {
2706 XSetWindowBackgroundPixmap (disp, scrollBar.win, ParentRelative);
2707 scrollBar.setIdle ();
2708 scrollbar_show (0);
2709 }
2710
2711 if (am_transparent)
2712 {
2713 want_refresh = want_full_refresh = 1;
2714 if (am_pixmap_trans)
2715 flush ();
2716 }
2717
2718 return pchanged;
2719 }
2720 #endif
2721
2722 /*}}} */
2723
2724 bool
2725 rxvt_term::cmd_parse ()
2726 {
2727 bool flag = false;
2728 unicode_t ch = NOCHAR;
2729 char *seq_begin; // remember start of esc-sequence here
2730
2731 for (;;)
2732 {
2733 if (ch == NOCHAR)
2734 {
2735 seq_begin = cmdbuf_ptr;
2736 ch = next_char ();
2737
2738 if (ch == NOCHAR)
2739 break;
2740 }
2741
2742 if (!IS_CONTROL (ch) || ch == C0_LF || ch == C0_CR || ch == C0_HT)
2743 {
2744 if (!seen_input)
2745 {
2746 seen_input = 1;
2747 // many badly-written programs (e.g. jed) contain a race condition:
2748 // they first read the screensize and then install a SIGWINCH handler.
2749 // some window managers resize the window early, and these programs
2750 // then sometimes get the size wrong.
2751 // unfortunately other programs are even more buggy and dislike
2752 // being sent SIGWINCH, so only do it when we were in fact being
2753 // resized.
2754 if (seen_resize && cmd_pid)
2755 kill (-cmd_pid, SIGWINCH);
2756 }
2757
2758 /* Read a text string from the input buffer */
2759 unicode_t buf[UBUFSIZ];
2760 bool refreshnow = false;
2761 int nlines = 0;
2762 unicode_t *str = buf;
2763 unicode_t *eol = str + min (ncol, UBUFSIZ);
2764
2765 for (;;)
2766 {
2767 if (ch == NOCHAR || (IS_CONTROL (ch) && ch != C0_LF && ch != C0_CR && ch != C0_HT))
2768 break;
2769
2770 *str++ = ch;
2771
2772 if (ch == C0_LF || str >= eol)
2773 {
2774 if (ch == C0_LF)
2775 nlines++;
2776
2777 refresh_count++;
2778
2779 if (!OPTION (Opt_jumpScroll)
2780 || (refresh_count >= refresh_limit * (nrow - 1)))
2781 {
2782 refreshnow = true;
2783 refresh_count = 0;
2784 ch = NOCHAR;
2785 break;
2786 }
2787
2788 // scr_add_lines only works for nlines <= nrow - 1.
2789 if (nlines >= nrow - 1)
2790 {
2791 if (!HOOK_INVOKE ((this, HOOK_ADD_LINES, DT_USTRING_LEN, buf, str - buf, DT_END)))
2792 scr_add_lines (buf, nlines, str - buf);
2793
2794 nlines = 0;
2795 str = buf;
2796 eol = str + min (ncol, UBUFSIZ);
2797 }
2798
2799 if (str >= eol)
2800 {
2801 if (eol >= buf + UBUFSIZ)
2802 {
2803 ch = NOCHAR;
2804 break;
2805 }
2806 else
2807 eol = min (eol + ncol, buf + UBUFSIZ);
2808 }
2809
2810 }
2811
2812 seq_begin = cmdbuf_ptr;
2813 ch = next_char ();
2814 }
2815
2816 if (!HOOK_INVOKE ((this, HOOK_ADD_LINES, DT_USTRING_LEN, buf, str - buf, DT_END)))
2817 scr_add_lines (buf, nlines, str - buf);
2818
2819 /*
2820 * If there have been a lot of new lines, then update the screen
2821 * What the heck I'll cheat and only refresh less than every page-full.
2822 * the number of pages between refreshes is refresh_limit, which
2823 * is incremented here because we must be doing flat-out scrolling.
2824 */
2825 if (refreshnow)
2826 {
2827 if (OPTION (Opt_jumpScroll) && refresh_limit < REFRESH_PERIOD)
2828 refresh_limit++;
2829 else
2830 {
2831 flag = true;
2832 scr_refresh (refresh_type);
2833 flush_ev.stop ();
2834 }
2835 }
2836
2837 }
2838 else
2839 {
2840 try
2841 {
2842 process_nonprinting (ch);
2843 }
2844 catch (const class out_of_input &o)
2845 {
2846 // we ran out of input, retry later
2847 cmdbuf_ptr = seq_begin;
2848 break;
2849 }
2850
2851 ch = NOCHAR;
2852 }
2853 }
2854
2855 return flag;
2856 }
2857
2858 // read the next octet
2859 unicode_t
2860 rxvt_term::next_octet ()
2861 {
2862 return cmdbuf_ptr < cmdbuf_endp
2863 ? *cmdbuf_ptr++
2864 : NOCHAR;
2865 }
2866
2867 // read the next character
2868 unicode_t
2869 rxvt_term::next_char ()
2870 {
2871 while (cmdbuf_ptr < cmdbuf_endp)
2872 {
2873 // assume 7-bit to be ascii ALWAYS
2874 if ((unsigned char)*cmdbuf_ptr <= 0x7f && *cmdbuf_ptr != 0x1b)
2875 return *cmdbuf_ptr++;
2876
2877 wchar_t wc;
2878 size_t len = mbrtowc (&wc, cmdbuf_ptr, cmdbuf_endp - cmdbuf_ptr, mbstate);
2879
2880 if (len == (size_t)-2)
2881 {
2882 // the mbstate stores incomplete sequences. didn't know this :/
2883 cmdbuf_ptr = cmdbuf_endp;
2884 break;
2885 }
2886
2887 if (len == (size_t)-1)
2888 return *cmdbuf_ptr++; // the _occasional_ latin1 character is allowed to slip through
2889
2890 // assume wchar == unicode
2891 cmdbuf_ptr += len;
2892 return wc & UNICODE_MASK;
2893 }
2894
2895 return NOCHAR;
2896 }
2897
2898 /* rxvt_cmd_getc () - Return next input character */
2899 /*
2900 * Return the next input character after first passing any keyboard input
2901 * to the command.
2902 */
2903 unicode_t
2904 rxvt_term::cmd_getc ()
2905 {
2906 unicode_t c = next_char ();
2907
2908 if (c == NOCHAR)
2909 throw out_of_input;
2910
2911 return c;
2912 }
2913
2914 unicode_t
2915 rxvt_term::cmd_get8 ()
2916 {
2917 unicode_t c = next_octet ();
2918
2919 if (c == NOCHAR)
2920 throw out_of_input;
2921
2922 return c;
2923 }
2924
2925 /*{{{ print pipe */
2926 /*----------------------------------------------------------------------*/
2927 #ifdef PRINTPIPE
2928 FILE *
2929 rxvt_term::popen_printer ()
2930 {
2931 FILE *stream = popen (rs[Rs_print_pipe], "w");
2932
2933 if (stream == NULL)
2934 rxvt_warn ("can't open printer pipe, not printing.\n");
2935
2936 return stream;
2937 }
2938
2939 int
2940 rxvt_term::pclose_printer (FILE *stream)
2941 {
2942 fflush (stream);
2943 return pclose (stream);
2944 }
2945
2946 /*
2947 * simulate attached vt100 printer
2948 */
2949 void
2950 rxvt_term::process_print_pipe ()
2951 {
2952 int done;
2953 FILE *fd;
2954
2955 if ((fd = popen_printer ()) == NULL)
2956 return;
2957
2958 /*
2959 * Send all input to the printer until either ESC[4i or ESC[?4i
2960 * is received.
2961 */
2962 for (done = 0; !done;)
2963 {
2964 unsigned char buf[8];
2965 unicode_t ch;
2966 unsigned int i, len;
2967
2968 if ((ch = cmd_getc ()) != C0_ESC)
2969 {
2970 if (putc (ch, fd) == EOF)
2971 break; /* done = 1 */
2972 }
2973 else
2974 {
2975 len = 0;
2976 buf[len++] = ch;
2977
2978 if ((buf[len++] = cmd_getc ()) == '[')
2979 {
2980 if ((ch = cmd_getc ()) == '?')
2981 {
2982 buf[len++] = '?';
2983 ch = cmd_getc ();
2984 }
2985 if ((buf[len++] = ch) == '4')
2986 {
2987 if ((buf[len++] = cmd_getc ()) == 'i')
2988 break; /* done = 1 */
2989 }
2990 }
2991
2992 for (i = 0; i < len; i++)
2993 if (putc (buf[i], fd) == EOF)
2994 {
2995 done = 1;
2996 break;
2997 }
2998 }
2999 }
3000
3001 pclose_printer (fd);
3002 }
3003 #endif /* PRINTPIPE */
3004 /*}}} */
3005
3006 /* *INDENT-OFF* */
3007 enum {
3008 C1_40 = 0x40,
3009 C1_41 , C1_BPH, C1_NBH, C1_44 , C1_NEL, C1_SSA, C1_ESA,
3010 C1_HTS, C1_HTJ, C1_VTS, C1_PLD, C1_PLU, C1_RI , C1_SS2, C1_SS3,
3011 C1_DCS, C1_PU1, C1_PU2, C1_STS, C1_CCH, C1_MW , C1_SPA, C1_EPA,
3012 C1_SOS, C1_59 , C1_SCI, C1_CSI, CS_ST , C1_OSC, C1_PM , C1_APC,
3013 };
3014 /* *INDENT-ON* */
3015
3016 /*{{{ process non-printing single characters */
3017 void
3018 rxvt_term::process_nonprinting (unicode_t ch)
3019 {
3020 switch (ch)
3021 {
3022 case C0_ESC:
3023 process_escape_seq ();
3024 break;
3025 case C0_ENQ: /* terminal Status */
3026 if (rs[Rs_answerbackstring])
3027 tt_write (rs [Rs_answerbackstring], strlen (rs [Rs_answerbackstring]));
3028 else
3029 tt_write (VT100_ANS, strlen (VT100_ANS));
3030 break;
3031 case C0_BEL: /* bell */
3032 scr_bell ();
3033 break;
3034 case C0_BS: /* backspace */
3035 scr_backspace ();
3036 break;
3037 case C0_HT: /* tab */
3038 scr_tab (1);
3039 break;
3040 case C0_CR: /* carriage return */
3041 scr_gotorc (0, 0, R_RELATIVE);
3042 break;
3043 case C0_VT: /* vertical tab, form feed */
3044 case C0_FF:
3045 case C0_LF: /* line feed */
3046 scr_index (UP);
3047 break;
3048 case C0_SO: /* shift out - acs */
3049 scr_charset_choose (1);
3050 break;
3051 case C0_SI: /* shift in - acs */
3052 scr_charset_choose (0);
3053 break;
3054
3055 #ifdef EIGHT_BIT_CONTROLS
3056 // 8-bit controls
3057 case 0x90: /* DCS */
3058 process_dcs_seq ();
3059 break;
3060 case 0x9b: /* CSI */
3061 process_csi_seq ();
3062 break;
3063 case 0x9d: /* CSI */
3064 process_osc_seq ();
3065 break;
3066 #endif
3067 }
3068 }
3069 /*}}} */
3070
3071
3072 /*{{{ process VT52 escape sequences */
3073 void
3074 rxvt_term::process_escape_vt52 (unicode_t ch)
3075 {
3076 int row, col;
3077
3078 switch (ch)
3079 {
3080 case 'A': /* cursor up */
3081 scr_gotorc (-1, 0, R_RELATIVE | C_RELATIVE);
3082 break;
3083 case 'B': /* cursor down */
3084 scr_gotorc (1, 0, R_RELATIVE | C_RELATIVE);
3085 break;
3086 case 'C': /* cursor right */
3087 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
3088 break;
3089 case 'D': /* cursor left */
3090 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
3091 break;
3092 case 'H': /* cursor home */
3093 scr_gotorc (0, 0, 0);
3094 break;
3095 case 'I': /* cursor up and scroll down if needed */
3096 scr_index (DN);
3097 break;
3098 case 'J': /* erase to end of screen */
3099 scr_erase_screen (0);
3100 break;
3101 case 'K': /* erase to end of line */
3102 scr_erase_line (0);
3103 break;
3104 case 'Y': /* move to specified row and col */
3105 /* full command is 'ESC Y row col' where row and col
3106 * are encoded by adding 32 and sending the ascii
3107 * character. eg. SPACE = 0, '+' = 13, '0' = 18,
3108 * etc. */
3109 row = cmd_getc () - ' ';
3110 col = cmd_getc () - ' ';
3111 scr_gotorc (row, col, 0);
3112 break;
3113 case 'Z': /* identify the terminal type */
3114 tt_printf ("\033/Z"); /* I am a VT100 emulating a VT52 */
3115 break;
3116 case '<': /* turn off VT52 mode */
3117 PrivMode (0, PrivMode_vt52);
3118 break;
3119 case 'F': /* use special graphics character set */
3120 case 'G': /* use regular character set */
3121 /* unimplemented */
3122 break;
3123 case '=': /* use alternate keypad mode */
3124 case '>': /* use regular keypad mode */
3125 /* unimplemented */
3126 break;
3127 }
3128 }
3129 /*}}} */
3130
3131
3132 /*{{{ process escape sequences */
3133 void
3134 rxvt_term::process_escape_seq ()
3135 {
3136 unicode_t ch = cmd_getc ();
3137
3138 if (priv_modes & PrivMode_vt52)
3139 {
3140 process_escape_vt52 (ch);
3141 return;
3142 }
3143
3144 switch (ch)
3145 {
3146 /* case 1: do_tek_mode (); break; */
3147 case '#':
3148 if (cmd_getc () == '8')
3149 scr_E ();
3150 break;
3151 case '(':
3152 scr_charset_set (0, (unsigned int)cmd_getc ());
3153 break;
3154 case ')':
3155 scr_charset_set (1, (unsigned int)cmd_getc ());
3156 break;
3157 case '*':
3158 scr_charset_set (2, (unsigned int)cmd_getc ());
3159 break;
3160 case '+':
3161 scr_charset_set (3, (unsigned int)cmd_getc ());
3162 break;
3163 #if ENABLE_FRILLS
3164 case '6':
3165 scr_backindex ();
3166 break;
3167 #endif
3168 case '7':
3169 scr_cursor (SAVE);
3170 break;
3171 case '8':
3172 scr_cursor (RESTORE);
3173 break;
3174 #if ENABLE_FRILLS
3175 case '9':
3176 scr_forwardindex ();
3177 break;
3178 #endif
3179 case '=':
3180 case '>':
3181 PrivMode ((ch == '='), PrivMode_aplKP);
3182 break;
3183
3184 case C1_40:
3185 cmd_getc ();
3186 break;
3187 case C1_44:
3188 scr_index (UP);
3189 break;
3190
3191 /* 8.3.87: NEXT LINE */
3192 case C1_NEL: /* ESC E */
3193 {
3194 unicode_t nlcr[] = { C0_LF, C0_CR };
3195 scr_add_lines (nlcr, 1, 2);
3196 }
3197 break;
3198
3199 /* kidnapped escape sequence: Should be 8.3.48 */
3200 case C1_ESA: /* ESC G */
3201 process_graphics ();
3202 break;
3203
3204 /* 8.3.63: CHARACTER TABULATION SET */
3205 case C1_HTS: /* ESC H */
3206 scr_set_tab (1);
3207 break;
3208
3209 /* 8.3.105: REVERSE LINE FEED */
3210 case C1_RI: /* ESC M */
3211 scr_index (DN);
3212 break;
3213
3214 /* 8.3.142: SINGLE-SHIFT TWO */
3215 /*case C1_SS2: scr_single_shift (2); break; */
3216
3217 /* 8.3.143: SINGLE-SHIFT THREE */
3218 /*case C1_SS3: scr_single_shift (3); break; */
3219
3220 /* 8.3.27: DEVICE CONTROL STRING */
3221 case C1_DCS: /* ESC P */
3222 process_dcs_seq ();
3223 break;
3224
3225 /* 8.3.110: SINGLE CHARACTER INTRODUCER */
3226 case C1_SCI: /* ESC Z */
3227 tt_write (ESCZ_ANSWER, sizeof (ESCZ_ANSWER) - 1);
3228 break; /* steal obsolete ESC [ c */
3229
3230 /* 8.3.16: CONTROL SEQUENCE INTRODUCER */
3231 case C1_CSI: /* ESC [ */
3232 process_csi_seq ();
3233 break;
3234
3235 /* 8.3.90: OPERATING SYSTEM COMMAND */
3236 case C1_OSC: /* ESC ] */
3237 process_osc_seq ();
3238 break;
3239
3240 /* 8.3.106: RESET TO INITIAL STATE */
3241 case 'c':
3242 mbstate.reset ();
3243 scr_poweron ();
3244 scrollbar_show (1);
3245 break;
3246
3247 /* 8.3.79: LOCKING-SHIFT TWO (see ISO2022) */
3248 case 'n':
3249 scr_charset_choose (2);
3250 break;
3251
3252 /* 8.3.81: LOCKING-SHIFT THREE (see ISO2022) */
3253 case 'o':
3254 scr_charset_choose (3);
3255 break;
3256 }
3257 }
3258 /*}}} */
3259
3260 /*{{{ process CONTROL SEQUENCE INTRODUCER (CSI) sequences `ESC[' */
3261 /* *INDENT-OFF* */
3262 enum {
3263 CSI_ICH = 0x40,
3264 CSI_CUU, CSI_CUD, CSI_CUF, CSI_CUB, CSI_CNL, CSI_CPL, CSI_CHA,
3265 CSI_CUP, CSI_CHT, CSI_ED , CSI_EL , CSI_IL , CSI_DL , CSI_EF , CSI_EA ,
3266 CSI_DCH, CSI_SEE, CSI_CPR, CSI_SU , CSI_SD , CSI_NP , CSI_PP , CSI_CTC,
3267 CSI_ECH, CSI_CVT, CSI_CBT, CSI_SRS, CSI_PTX, CSI_SDS, CSI_SIMD, CSI_5F,
3268 CSI_HPA, CSI_HPR, CSI_REP, CSI_DA , CSI_VPA, CSI_VPR, CSI_HVP, CSI_TBC,
3269 CSI_SM , CSI_MC , CSI_HPB, CSI_VPB, CSI_RM , CSI_SGR, CSI_DSR, CSI_DAQ,
3270 CSI_70 , CSI_71 , CSI_72 , CSI_73 , CSI_74 , CSI_75 , CSI_76 , CSI_77 ,
3271 CSI_78 , CSI_79 , CSI_7A , CSI_7B , CSI_7C , CSI_7D , CSI_7E , CSI_7F
3272 };
3273
3274 #define make_byte(b7,b6,b5,b4,b3,b2,b1,b0) \
3275 (((b7) << 7) | ((b6) << 6) | ((b5) << 5) | ((b4) << 4) \
3276 | ((b3) << 3) | ((b2) << 2) | ((b1) << 1) | (b0))
3277 #define get_byte_array_bit(array, bit) \
3278 (!! ((array)[ (bit) / 8] & (128 >> ((bit) & 7))))
3279
3280 const unsigned char csi_defaults[] =
3281 {
3282 make_byte (1,1,1,1,1,1,1,1), /* @, A, B, C, D, E, F, G, */
3283 make_byte (1,1,0,0,1,1,0,0), /* H, I, J, K, L, M, N, O, */
3284 make_byte (1,0,1,1,1,1,1,0), /* P, Q, R, S, T, U, V, W, */
3285 make_byte (1,1,1,0,0,0,1,0), /* X, Y, Z, [, \, ], ^, _, */
3286 make_byte (1,1,1,0,1,1,1,0), /* `, a, b, c, d, e, f, g, */
3287 make_byte (0,0,1,1,0,0,0,0), /* h, i, j, k, l, m, n, o, */
3288 make_byte (0,0,0,0,0,0,0,0), /* p, q, r, s, t, u, v, w, */
3289 make_byte (0,0,0,0,0,0,0,0), /* x, y, z, {, |, }, ~, */
3290 };
3291 /* *INDENT-ON* */
3292
3293 void
3294 rxvt_term::process_csi_seq ()
3295 {
3296 unicode_t ch, priv, i;
3297 unsigned int nargs, p;
3298 int n, ndef;
3299 int arg[ESC_ARGS];
3300
3301 for (nargs = ESC_ARGS; nargs > 0;)
3302 arg[--nargs] = 0;
3303
3304 priv = 0;
3305 ch = cmd_getc ();
3306 if (ch >= '<' && ch <= '?')
3307 { /* '<' '=' '>' '?' */
3308 priv = ch;
3309 ch = cmd_getc ();
3310 }
3311
3312 /* read any numerical arguments */
3313 for (n = -1; ch < CSI_ICH; )
3314 {
3315 if (isdigit (ch))
3316 {
3317 if (n < 0)
3318 n = ch - '0';
3319 else
3320 n = n * 10 + ch - '0';
3321 }
3322 else if (ch == ';')
3323 {
3324 if (nargs < ESC_ARGS)
3325 arg[nargs++] = n;
3326 n = -1;
3327 }
3328 else if (IS_CONTROL (ch))
3329 process_nonprinting (ch);
3330
3331 ch = cmd_getc ();
3332 }
3333
3334 if (ch > CSI_7F)
3335 return;
3336
3337 if (nargs < ESC_ARGS)
3338 arg[nargs++] = n;
3339
3340 i = ch - CSI_ICH;
3341 ndef = get_byte_array_bit (csi_defaults, i);
3342 for (p = 0; p < nargs; p++)
3343 if (arg[p] == -1)
3344 arg[p] = ndef;
3345
3346 #ifdef DEBUG_CMD
3347 fprintf (stderr, "CSI ");
3348 for (p = 0; p < nargs; p++)
3349 fprintf (stderr, "%d%s", arg[p], p < nargs - 1 ? ";" : "");
3350 fprintf (stderr, "%c\n", ch);
3351 #endif
3352
3353 /*
3354 * private mode handling
3355 */
3356 if (priv)
3357 {
3358 switch (priv)
3359 {
3360 case '>':
3361 if (ch == CSI_DA) /* secondary device attributes */
3362 tt_printf ("\033[>%d;%c%c;0c", 'U', VERSION[0], VERSION[2]);
3363 break;
3364 case '?':
3365 if (ch == 'h' || ch == 'l' || ch == 'r' || ch == 's' || ch == 't')
3366 process_terminal_mode (ch, priv, nargs, arg);
3367 break;
3368 }
3369 return;
3370 }
3371
3372 switch (ch)
3373 {
3374 /*
3375 * ISO/IEC 6429:1992 (E) CSI sequences (defaults in parentheses)
3376 */
3377 #ifdef PRINTPIPE
3378 case CSI_MC: /* 8.3.83: (0) MEDIA COPY */
3379 switch (arg[0])
3380 {
3381 case 0: /* initiate transfer to primary aux device */
3382 scr_printscreen (0);
3383 break;
3384 case 5: /* start relay to primary aux device */
3385 process_print_pipe ();
3386 break;
3387 }
3388 break;
3389 #endif
3390
3391 case CSI_CUU: /* 8.3.22: (1) CURSOR UP */
3392 case CSI_VPR: /* 8.3.161: (1) LINE POSITION FORWARD */
3393 arg[0] = -arg[0];
3394 /* FALLTHROUGH */
3395 case CSI_CUD: /* 8.3.19: (1) CURSOR DOWN */
3396 case CSI_VPB: /* 8.3.160: (1) LINE POSITION BACKWARD */
3397 scr_gotorc (arg[0], 0, RELATIVE);
3398 break;
3399
3400 case CSI_CUB: /* 8.3.18: (1) CURSOR LEFT */
3401 case CSI_HPB: /* 8.3.59: (1) CHARACTER POSITION BACKWARD */
3402 #ifdef ISO6429
3403 arg[0] = -arg[0];
3404 #else /* emulate common DEC VTs */
3405 arg[0] = arg[0] ? -arg[0] : -1;
3406 #endif
3407 /* FALLTHROUGH */
3408 case CSI_CUF: /* 8.3.20: (1) CURSOR RIGHT */
3409 case CSI_HPR: /* 8.3.60: (1) CHARACTER POSITION FORWARD */
3410 #ifdef ISO6429
3411 scr_gotorc (0, arg[0], RELATIVE);
3412 #else /* emulate common DEC VTs */
3413 scr_gotorc (0, arg[0] ? arg[0] : 1, RELATIVE);
3414 #endif
3415 break;
3416
3417 case CSI_CPL: /* 8.3.13: (1) CURSOR PRECEDING LINE */
3418 arg[0] = -arg[0];
3419 /* FALLTHROUGH */
3420 case CSI_CNL: /* 8.3.12: (1) CURSOR NEXT LINE */
3421 scr_gotorc (arg[0], 0, R_RELATIVE);
3422 break;
3423
3424 case CSI_CHA: /* 8.3.9: (1) CURSOR CHARACTER ABSOLUTE */
3425 case CSI_HPA: /* 8.3.58: (1) CURSOR POSITION ABSOLUTE */
3426 scr_gotorc (0, arg[0] - 1, R_RELATIVE);
3427 break;
3428
3429 case CSI_VPA: /* 8.3.159: (1) LINE POSITION ABSOLUTE */
3430 scr_gotorc (arg[0] - 1, 0, C_RELATIVE);
3431 break;
3432
3433 case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
3434 case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
3435 scr_gotorc (arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
3436 break;
3437
3438 case CSI_CBT: /* 8.3.7: (1) CURSOR BACKWARD TABULATION */
3439 arg[0] = -arg[0];
3440 /* FALLTHROUGH */
3441 case CSI_CHT: /* 8.3.10: (1) CURSOR FORWARD TABULATION */
3442 scr_tab (arg[0]);
3443 break;
3444
3445 case CSI_ED: /* 8.3.40: (0) ERASE IN PAGE */
3446 scr_erase_screen (arg[0]);
3447 break;
3448
3449 case CSI_EL: /* 8.3.42: (0) ERASE IN LINE */
3450 scr_erase_line (arg[0]);
3451 break;
3452
3453 case CSI_ICH: /* 8.3.65: (1) INSERT CHARACTER */
3454 scr_insdel_chars (arg[0], INSERT);
3455 break;
3456
3457 case CSI_IL: /* 8.3.68: (1) INSERT LINE */
3458 scr_insdel_lines (arg[0], INSERT);
3459 break;
3460
3461 case CSI_DL: /* 8.3.33: (1) DELETE LINE */
3462 scr_insdel_lines (arg[0], DELETE);
3463 break;
3464
3465 case CSI_ECH: /* 8.3.39: (1) ERASE CHARACTER */
3466 scr_insdel_chars (arg[0], ERASE);
3467 break;
3468
3469 case CSI_DCH: /* 8.3.26: (1) DELETE CHARACTER */
3470 scr_insdel_chars (arg[0], DELETE);
3471 break;
3472
3473 case CSI_SD: /* 8.3.114: (1) SCROLL DOWN */
3474 arg[0] = -arg[0];
3475 /* FALLTHROUGH */
3476 case CSI_SU: /* 8.3.148: (1) SCROLL UP */
3477 scr_scroll_text (screen.tscroll, screen.bscroll, arg[0]);
3478 break;
3479
3480 case CSI_DA: /* 8.3.24: (0) DEVICE ATTRIBUTES */
3481 tt_write (VT100_ANS, sizeof (VT100_ANS) - 1);
3482 break;
3483
3484 case CSI_SGR: /* 8.3.118: (0) SELECT GRAPHIC RENDITION */
3485 process_sgr_mode (nargs, arg);
3486 break;
3487
3488 case CSI_DSR: /* 8.3.36: (0) DEVICE STATUS REPORT */
3489 switch (arg[0])
3490 {
3491 case 5: /* DSR requested */
3492 tt_printf ("\033[0n");
3493 break;
3494 case 6: /* CPR requested */
3495 scr_report_position ();
3496 break;
3497 case 7: /* unofficial extension */
3498 if (OPTION (Opt_insecure))
3499 tt_printf ("%-.250s\012", rs[Rs_display_name]);
3500 break;
3501 case 8: /* unofficial extension */
3502 process_xterm_seq (XTerm_title, RESNAME "-" VERSION, CHAR_ST);
3503 break;
3504 }
3505 break;
3506
3507 case CSI_TBC: /* 8.3.155: (0) TABULATION CLEAR */
3508 switch (arg[0])
3509 {
3510 case 0: /* char tab stop cleared at active position */
3511 scr_set_tab (0);
3512 break;
3513 /* case 1: */ /* line tab stop cleared in active line */
3514 /* case 2: */ /* char tab stops cleared in active line */
3515 case 3: /* all char tab stops are cleared */
3516 /* case 4: */ /* all line tab stops are cleared */
3517 case 5: /* all tab stops are cleared */
3518 scr_set_tab (-1);
3519 break;
3520 }
3521 break;
3522
3523 case CSI_CTC: /* 8.3.17: (0) CURSOR TABULATION CONTROL */
3524 switch (arg[0])
3525 {
3526 case 0: /* char tab stop set at active position */
3527 scr_set_tab (1);
3528 break; /* = ESC H */
3529 /* case 1: */ /* line tab stop set at active line */
3530 case 2: /* char tab stop cleared at active position */
3531 scr_set_tab (0);
3532 break; /* = ESC [ 0 g */
3533 /* case 3: */ /* line tab stop cleared at active line */
3534 /* case 4: */ /* char tab stops cleared at active line */
3535 case 5: /* all char tab stops are cleared */
3536 scr_set_tab (-1);
3537 break; /* = ESC [ 3 g */
3538 /* case 6: */ /* all line tab stops are cleared */
3539 }
3540 break;
3541
3542 case CSI_RM: /* 8.3.107: RESET MODE */
3543 if (arg[0] == 4)
3544 scr_insert_mode (0);
3545 else if (arg[0] == 20)
3546 priv_modes &= ~PrivMode_LFNL;
3547 break;
3548
3549 case CSI_SM: /* 8.3.126: SET MODE */
3550 if (arg[0] == 4)
3551 scr_insert_mode (1);
3552 else if (arg[0] == 20)
3553 priv_modes |= PrivMode_LFNL;
3554 break;
3555
3556 /*
3557 * PRIVATE USE beyond this point. All CSI_7? sequences here
3558 */
3559 case CSI_72: /* DECSTBM: set top and bottom margins */
3560 if (nargs == 1)
3561 scr_scroll_region (arg[0] - 1, MAX_ROWS - 1);
3562 else if (nargs == 0 || arg[0] >= arg[1])
3563 scr_scroll_region (0, MAX_ROWS - 1);
3564 else
3565 scr_scroll_region (arg[0] - 1, arg[1] - 1);
3566 break;
3567
3568 case CSI_73:
3569 scr_cursor (SAVE);
3570 break;
3571 case CSI_75:
3572 scr_cursor (RESTORE);
3573 break;
3574
3575 #if ENABLE_FRILLS
3576 case CSI_74:
3577 process_window_ops (arg, nargs);
3578 break;
3579 #endif
3580
3581 case CSI_78: /* DECREQTPARM */
3582 if (arg[0] == 0 || arg[0] == 1)
3583 tt_printf ("\033[%d;1;1;128;128;1;0x", arg[0] + 2);
3584 break;
3585
3586 default:
3587 break;
3588 }
3589 }
3590 /*}}} */
3591
3592 #if ENABLE_FRILLS
3593 /* ARGSUSED */
3594 void
3595 rxvt_term::process_window_ops (const int *args, unsigned int nargs)
3596 {
3597 int x, y;
3598 XWindowAttributes wattr;
3599 Window wdummy;
3600 dDisp;
3601
3602 if (nargs == 0)
3603 return;
3604
3605 switch (args[0])
3606 {
3607 /*
3608 * commands
3609 */
3610 case 1: /* deiconify window */
3611 XMapWindow (disp, parent[0]);
3612 break;
3613 case 2: /* iconify window */
3614 XIconifyWindow (disp, parent[0], display->screen);
3615 break;
3616 case 3: /* set position (pixels) */
3617 XMoveWindow (disp, parent[0], args[1], args[2]);
3618 break;
3619 case 4: /* set size (pixels) */
3620 set_widthheight ((unsigned int)args[2], (unsigned int)args[1]);
3621 break;
3622 case 5: /* raise window */
3623 XRaiseWindow (disp, parent[0]);
3624 break;
3625 case 6: /* lower window */
3626 XLowerWindow (disp, parent[0]);
3627 break;
3628 case 7: /* refresh window */
3629 scr_touch (true);
3630 break;
3631 case 8: /* set size (chars) */
3632 set_widthheight ((unsigned int) (args[2] * fwidth),
3633 (unsigned int) (args[1] * fheight));
3634 break;
3635
3636 //case 9: NYI, TODO, restore maximized window or maximize window
3637 default:
3638 if (args[0] >= 24) /* set height (chars) */
3639 set_widthheight ((unsigned int)width,
3640 (unsigned int) (args[1] * fheight));
3641 break;
3642
3643
3644 /*
3645 * reports - some output format copied from XTerm
3646 */
3647 case 11: /* report window state */
3648 XGetWindowAttributes (disp, parent[0], &wattr);
3649 tt_printf ("\033[%dt", wattr.map_state == IsViewable ? 1 : 2);
3650 break;
3651 case 13: /* report window position */
3652 XGetWindowAttributes (disp, parent[0], &wattr);
3653 XTranslateCoordinates (disp, parent[0], wattr.root,
3654 -wattr.border_width, -wattr.border_width,
3655 &x, &y, &wdummy);
3656 tt_printf ("\033[3;%d;%dt", x, y);
3657 break;
3658 case 14: /* report window size (pixels) */
3659 XGetWindowAttributes (disp, parent[0], &wattr);
3660 tt_printf ("\033[4;%d;%dt", wattr.height, wattr.width);
3661 break;
3662 case 18: /* report text area size (chars) */
3663 tt_printf ("\033[8;%d;%dt", nrow, ncol);
3664 break;
3665 case 19: /* report window size (chars) */
3666 tt_printf ("\033[9;%d;%dt", nrow, ncol);
3667 break;
3668 case 20: /* report icon label */
3669 {
3670 char *s;
3671 XGetIconName (disp, parent[0], &s);
3672 tt_printf ("\033]L%-.250s\234", OPTION (Opt_insecure) && s ? s : ""); /* 8bit ST */
3673 XFree (s);
3674 }
3675 break;
3676 case 21: /* report window title */
3677 {
3678 char *s;
3679 XFetchName (disp, parent[0], &s);
3680 tt_printf ("\033]l%-.250s\234", OPTION (Opt_insecure) && s ? s : ""); /* 8bit ST */
3681 XFree (s);
3682 }
3683 break;
3684 }
3685 }
3686 #endif
3687
3688 /*----------------------------------------------------------------------*/
3689 /*
3690 * get input up until STRING TERMINATOR (or BEL)
3691 * ends_how is terminator used. returned input must be free()'d
3692 */
3693 char *
3694 rxvt_term::get_to_st (unicode_t &ends_how)
3695 {
3696 unicode_t ch;
3697 bool seen_esc = false;
3698 unsigned int n = 0;
3699 wchar_t string[STRING_MAX];
3700
3701 while ((ch = cmd_getc ()) != NOCHAR)
3702 {
3703 if (seen_esc)
3704 {
3705 if (ch == 0x5c) /* 7bit ST */
3706 break;
3707 else
3708 return NULL;
3709 }
3710 else if (ch == C0_ESC)
3711 {
3712 seen_esc = true;
3713 continue;
3714 }
3715 else if (ch == C0_BEL || ch == CHAR_ST)
3716 break;
3717 else if (ch < 0x20)
3718 return NULL; /* other control character - exit */
3719
3720 seen_esc = false;
3721
3722 if (n >= STRING_MAX - 1)
3723 // stop at some sane length
3724 return NULL;
3725
3726 if (ch == C0_SYN)
3727 string[n++] = cmd_get8 ();
3728 else
3729 string[n++] = ch;
3730 }
3731
3732 string[n++] = '\0';
3733
3734 ends_how = (ch == 0x5c ? C0_ESC : ch);
3735
3736 return rxvt_wcstombs (string);
3737 }
3738
3739 /*----------------------------------------------------------------------*/
3740 /*
3741 * process DEVICE CONTROL STRING `ESC P ... (ST|BEL)' or `0x90 ... (ST|BEL)'
3742 */
3743 void
3744 rxvt_term::process_dcs_seq ()
3745 {
3746 char *s;
3747 unicode_t eh;
3748
3749 /*
3750 * Not handled yet
3751 */
3752 s = get_to_st (eh);
3753 if (s)
3754 free (s);
3755
3756 return;
3757 }
3758
3759 /*----------------------------------------------------------------------*/
3760 /*
3761 * process OPERATING SYSTEM COMMAND sequence `ESC ] Ps ; Pt (ST|BEL)'
3762 */
3763 void
3764 rxvt_term::process_osc_seq ()
3765 {
3766 unicode_t ch, eh;
3767 int arg;
3768
3769 ch = cmd_getc ();
3770 for (arg = 0; isdigit (ch); ch = cmd_getc ())
3771 arg = arg * 10 + (ch - '0');
3772
3773 if (ch == ';')
3774 {
3775 char *s = get_to_st (eh);
3776
3777 if (s)
3778 {
3779 process_xterm_seq (arg, s, eh);
3780 free (s);
3781 }
3782 }
3783 }
3784
3785 void
3786 rxvt_term::process_color_seq (int report, int color, const char *str, char resp)
3787 {
3788 if (str[0] == '?' && !str[1])
3789 {
3790 unsigned short r, g, b;
3791 pix_colors_focused[color].get (display, r, g, b);
3792 tt_printf ("\033]%d;rgb:%04x/%04x/%04x%c", report, r, g, b, resp);
3793 }
3794 else
3795 set_window_color (color, str);
3796 }
3797
3798 /*
3799 * XTerm escape sequences: ESC ] Ps;Pt (ST|BEL)
3800 */
3801 void
3802 rxvt_term::process_xterm_seq (int op, const char *str, char resp)
3803 {
3804 int changed = 0;
3805 int color;
3806 char *buf, *name;
3807 bool query = str[0] == '?' && !str[1];
3808 int saveop = op;
3809 dDisp;
3810
3811 assert (str != NULL);
3812 switch (op)
3813 {
3814 case XTerm_name:
3815 set_title (str);
3816 /* FALLTHROUGH */
3817 case XTerm_iconName:
3818 set_icon_name (str);
3819 break;
3820 case XTerm_title:
3821 set_title (str);
3822 break;
3823 case XTerm_property:
3824 if (str[0] == '?')
3825 {
3826 Atom prop = display->atom (str + 1);
3827 Atom actual_type;
3828 int actual_format;
3829 unsigned long nitems;
3830 unsigned long bytes_after;
3831 unsigned char *value = 0;
3832 const char *str = "";
3833
3834 if (prop
3835 && XGetWindowProperty (disp, parent[0],
3836 prop, 0, 1<<16, 0, AnyPropertyType,
3837 &actual_type, &actual_format,
3838 &nitems, &bytes_after, &value) == Success
3839 && actual_type != None
3840 && actual_format == 8)
3841 str = (const char *)(value);
3842
3843 tt_printf ("\033]%d;%s%c", XTerm_property, str, resp);
3844
3845 XFree (value);
3846 }
3847 else
3848 {
3849 char *eq = strchr (str, '='); // constness lost, but verified to be ok
3850
3851 if (eq)
3852 {
3853 *eq = 0;
3854 set_utf8_property (display->atom (str), eq + 1);
3855 }
3856 else
3857 XDeleteProperty (disp, parent[0],
3858 display->atom (str));
3859 }
3860 break;
3861
3862 case XTerm_Color:
3863 for (buf = (char *)str; buf && *buf;)
3864 {
3865 if ((name = strchr (buf, ';')) == NULL)
3866 break;
3867
3868 *name++ = '\0';
3869 color = atoi (buf);
3870
3871 if (color < 0 || color >= TOTAL_COLORS)
3872 break;
3873
3874 if ((buf = strchr (name, ';')) != NULL)
3875 *buf++ = '\0';
3876
3877 if (name[0] == '?' && !name[1])
3878 {
3879 unsigned short r, g, b;
3880 pix_colors_focused[color + minCOLOR].get (display, r, g, b);
3881 tt_printf ("\033]%d;%d;rgb:%04x/%04x/%04x%c", XTerm_Color, color, r, g, b, resp);
3882 }
3883 else
3884 set_window_color (color + minCOLOR, name);
3885 }
3886 break;
3887 case XTerm_Color00:
3888 process_color_seq (XTerm_Color00, Color_fg, str, resp);
3889 break;
3890 case XTerm_Color01:
3891 process_color_seq (XTerm_Color00, Color_bg, str, resp);
3892 break;
3893 #ifndef NO_CURSORCOLOR
3894 case XTerm_Color_cursor:
3895 process_color_seq (XTerm_Color_cursor, Color_cursor, str, resp);
3896 break;
3897 #endif
3898 case XTerm_Color_pointer_fg:
3899 process_color_seq (XTerm_Color_pointer_fg, Color_pointer_fg, str, resp);
3900 break;
3901 case XTerm_Color_pointer_bg:
3902 process_color_seq (XTerm_Color_pointer_bg, Color_pointer_bg, str, resp);
3903 break;
3904 #ifndef NO_BOLD_UNDERLINE_REVERSE
3905 case XTerm_Color_BD:
3906 process_color_seq (XTerm_Color_BD, Color_BD, str, resp);
3907 break;
3908 case XTerm_Color_UL:
3909 process_color_seq (XTerm_Color_UL, Color_UL, str, resp);
3910 break;
3911 case XTerm_Color_RV:
3912 process_color_seq (XTerm_Color_RV, Color_RV, str, resp);
3913 break;
3914 case URxvt_Color_IT:
3915 process_color_seq (URxvt_Color_IT, Color_IT, str, resp);
3916 break;
3917 #endif
3918 #if TRANSPARENT && TINTING
3919 case URxvt_Color_tint:
3920 process_color_seq (URxvt_Color_tint, Color_tint, str, resp);
3921 check_our_parents ();
3922 if (am_transparent)
3923 want_full_refresh = want_refresh = 1;
3924 break;
3925 #endif
3926
3927 case XTerm_Pixmap:
3928 if (*str != ';')
3929 {
3930 #if XPM_BACKGROUND
3931 scale_pixmap (""); /* reset to default scaling */
3932 set_bgPixmap (str); /* change pixmap */
3933 #endif
3934 scr_touch (true);
3935 }
3936 while ((str = strchr (str, ';')) != NULL)
3937 {
3938 str++;
3939 #if XPM_BACKGROUND
3940 changed += scale_pixmap (str);
3941 #endif
3942 }
3943
3944 if (changed)
3945 {
3946 #ifdef XPM_BACKGROUND
3947 resize_pixmap ();
3948 #endif
3949 scr_touch (true);
3950 }
3951 break;
3952
3953 case XTerm_restoreFG:
3954 set_window_color (Color_fg, str);
3955 break;
3956 case XTerm_restoreBG:
3957 set_window_color (Color_bg, str);
3958 break;
3959
3960 case XTerm_logfile:
3961 // TODO, when secure mode?
3962 break;
3963
3964 #ifdef MENUBAR
3965 case URxvt_Menu:
3966 if (OPTION (Opt_insecure))
3967 menubar_dispatch (const_cast<char *>(str)); // casting away constness is checked
3968 break;
3969 #endif
3970 #if 0
3971 case XTerm_dumpscreen: /* no error notices */
3972 {
3973 int fd;
3974 if ((fd = open (str, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0)
3975 {
3976 scr_dump (fd);
3977 close (fd);
3978 }
3979 }
3980 break;
3981 #endif
3982 case XTerm_font:
3983 op = URxvt_font;
3984 case URxvt_font:
3985 #if ENABLE_STYLES
3986 case URxvt_boldFont:
3987 case URxvt_italicFont:
3988 case URxvt_boldItalicFont:
3989 #endif
3990 if (query)
3991 tt_printf ("\33]%d;%-.250s%c", saveop,
3992 OPTION (Opt_insecure) && fontset[op - URxvt_font]->fontdesc
3993 ? fontset[op - URxvt_font]->fontdesc : "",
3994 resp);
3995 else
3996 {
3997 const char *&res = rs[Rs_font + (op - URxvt_font)];
3998
3999 res = strdup (str);
4000 allocated.push_back ((void *)res);
4001 set_fonts ();
4002 }
4003 break;
4004
4005 #if ENABLE_FRILLS
4006 case URxvt_locale:
4007 if (query)
4008 tt_printf ("\33]%d;%-.250s%c", URxvt_locale, OPTION (Opt_insecure) ? locale : "", resp);
4009 else
4010 {
4011 set_locale (str);
4012 pty.set_utf8_mode (enc_utf8);
4013 init_xlocale ();
4014 }
4015 break;
4016
4017 case URxvt_view_up:
4018 case URxvt_view_down:
4019 {
4020 int lines = atoi (str);
4021
4022 if (lines)
4023 scr_page (op == URxvt_view_up ? UP : DN, lines);
4024 else
4025 scr_erase_savelines ();
4026 }
4027
4028 break;
4029 #endif
4030
4031 #if ENABLE_PERL
4032 case URxvt_perl:
4033 if (HOOK_INVOKE ((this, HOOK_OSC_SEQ, DT_STRING, str, DT_END)))
4034 ; // no responses yet
4035 break;
4036 #endif
4037 }
4038 }
4039 /*----------------------------------------------------------------------*/
4040
4041 /*{{{ process DEC private mode sequences `ESC [ ? Ps mode' */
4042 /*
4043 * mode can only have the following values:
4044 * 'l' = low
4045 * 'h' = high
4046 * 's' = save
4047 * 'r' = restore
4048 * 't' = toggle
4049 * so no need for fancy checking
4050 */
4051 int
4052 rxvt_term::privcases (int mode, unsigned long bit)
4053 {
4054 int state;
4055
4056 if (mode == 's')
4057 {
4058 SavedModes |= (priv_modes & bit);
4059 return -1;
4060 }
4061 else
4062 {
4063 if (mode == 'r')
4064 state = (SavedModes & bit) ? 1 : 0; /* no overlapping */
4065 else
4066 state = (mode == 't') ? ! (priv_modes & bit) : mode;
4067 PrivMode (state, bit);
4068 }
4069
4070 return state;
4071 }
4072
4073 /* we're not using priv _yet_ */
4074 void
4075 rxvt_term::process_terminal_mode (int mode, int priv __attribute__ ((unused)), unsigned int nargs, const int *arg)
4076 {
4077 unsigned int i, j;
4078 int state;
4079
4080 static const struct
4081 {
4082 const int argval;
4083 const unsigned long bit;
4084 }
4085
4086 argtopriv[] = {
4087 { 1, PrivMode_aplCUR },
4088 { 2, PrivMode_vt52 },
4089 { 3, PrivMode_132 },
4090 { 4, PrivMode_smoothScroll },
4091 { 5, PrivMode_rVideo },
4092 { 6, PrivMode_relOrigin },
4093 { 7, PrivMode_Autowrap },
4094 // 8, bi-directional support mode
4095 { 9, PrivMode_MouseX10 },
4096 #ifdef menuBar_esc
4097 { menuBar_esc, PrivMode_menuBar },
4098 #endif
4099 // 18, 19 printing-related
4100 { 25, PrivMode_VisibleCursor },
4101 #ifdef scrollBar_esc
4102 { scrollBar_esc, PrivMode_scrollBar },
4103 #endif
4104 { 35, PrivMode_ShiftKeys }, // rxvt extension
4105 { 40, PrivMode_132OK },
4106 // 41 xterm more fixes NYI
4107 // 45 margin bell NYI
4108 // 46 start logging
4109 { 47, PrivMode_Screen },
4110 { 66, PrivMode_aplKP },
4111 #ifndef NO_BACKSPACE_KEY
4112 { 67, PrivMode_BackSpace },
4113 #endif
4114 { 1000, PrivMode_MouseX11 },
4115 // 1001 Use Hilite Mouse Tracking. NYI, TODO
4116 // 1002 Use Cell Motion Mouse Tracking. NYI, TODO
4117 // 1003 Use All Motion Mouse Tracking. NYI, TODO
4118 { 1010, PrivMode_TtyOutputInh }, // rxvt extension
4119 { 1011, PrivMode_Keypress }, // rxvt extension
4120 // 1035 enable modifiers for alt, numlock NYI
4121 // 1036 send ESC for meta keys NYI
4122 // 1037 send DEL for keypad delete NYI
4123 { 1047, PrivMode_Screen },
4124 // 1048 save and restore cursor
4125 { 1049, PrivMode_Screen }, /* xterm extension, clear screen on ti rather than te */
4126 // 1051, 1052, 1060, 1061 keyboard emulation NYI
4127 };
4128
4129 if (nargs == 0)
4130 return;
4131
4132 /* make lo/hi boolean */
4133 if (mode == 'l')
4134 mode = 0; /* reset */
4135 else if (mode == 'h')
4136 mode = 1; /* set */
4137
4138 for (i = 0; i < nargs; i++)
4139 {
4140 state = -1;
4141
4142 /* basic handling */
4143 for (j = 0; j < (sizeof (argtopriv)/sizeof (argtopriv[0])); j++)
4144 if (argtopriv[j].argval == arg[i])
4145 {
4146 state = privcases (mode, argtopriv[j].bit);
4147 break;
4148 }
4149
4150 /* extra handling for values with state unkept */
4151 switch (arg[i])
4152 {
4153 #if ENABLE_STYLES
4154 case 1021:
4155 if (mode)
4156 SET_OPTION (Opt_intensityStyles);
4157 else
4158 CLR_OPTION (Opt_intensityStyles);
4159
4160 scr_touch (true);
4161 break;
4162 #endif
4163 case 1048: /* alternative cursor save */
4164 case 1049:
4165 if (OPTION (Opt_secondaryScreen))
4166 if (mode == 0)
4167 scr_cursor (RESTORE);
4168 else if (mode == 1)
4169 scr_cursor (SAVE);
4170 break;
4171 }
4172
4173 if (state >= 0)
4174 /* extra handling for values with valid 0 or 1 state */
4175 switch (arg[i])
4176 {
4177 /* case 1: - application cursor keys */
4178 case 2: /* VT52 mode */
4179 /* oddball mode. should be set regardless of set/reset
4180 * parameter. Return from VT52 mode with an ESC < from
4181 * within VT52 mode
4182 */
4183 PrivMode (1, PrivMode_vt52);
4184 break;
4185 case 3: /* 80/132 */
4186 if (priv_modes & PrivMode_132OK)
4187 set_widthheight (((state ? 132 : 80) * fwidth), height);
4188 break;
4189 case 4: /* smooth scrolling */
4190 if (!state)
4191 SET_OPTION (Opt_jumpScroll);
4192 else
4193 CLR_OPTION (Opt_jumpScroll);
4194 break;
4195 case 5: /* reverse video */
4196 scr_rvideo_mode (state);
4197 break;
4198 case 6: /* relative/absolute origins */
4199 scr_relative_origin (state);
4200 break;
4201 case 7: /* autowrap */
4202 scr_autowrap (state);
4203 break;
4204 /* case 8: - auto repeat, can't do on a per window basis */
4205 case 9: /* X10 mouse reporting */
4206 if (state) /* orthogonal */
4207 priv_modes &= ~PrivMode_MouseX11;
4208 break;
4209 #ifdef menuBar_esc
4210 case menuBar_esc:
4211 #ifdef MENUBAR
4212 map_menuBar (state);
4213 #endif
4214 break;
4215 #endif
4216 #ifdef scrollBar_esc
4217 case scrollBar_esc:
4218 if (scrollbar_mapping (state))
4219 {
4220 resize_all_windows (0, 0, 0);
4221 scr_touch (true);
4222 }
4223 break;
4224 #endif
4225 case 25: /* visible/invisible cursor */
4226 scr_cursor_visible (state);
4227 break;
4228 /* case 35: - shift keys */
4229 /* case 40: - 80 <--> 132 mode */
4230 case 47: /* secondary screen */
4231 scr_change_screen (state);
4232 break;
4233 /* case 66: - application key pad */
4234 /* case 67: - backspace key */
4235 case 1000: /* X11 mouse reporting */
4236 if (state) /* orthogonal */
4237 priv_modes &= ~PrivMode_MouseX10;
4238 break;
4239 #if 0
4240 case 1001:
4241 break; /* X11 mouse highlighting */
4242 #endif
4243 case 1010: /* scroll to bottom on TTY output inhibit */
4244 if (!state)
4245 SET_OPTION (Opt_scrollTtyOutput);
4246 else
4247 CLR_OPTION (Opt_scrollTtyOutput);
4248 break;
4249 case 1011: /* scroll to bottom on key press */
4250 if (state)
4251 SET_OPTION (Opt_scrollTtyKeypress);
4252 else
4253 CLR_OPTION (Opt_scrollTtyKeypress);
4254 break;
4255 case 1047: /* secondary screen w/ clearing last */
4256 if (OPTION (Opt_secondaryScreen))
4257 if (current_screen != PRIMARY)
4258 scr_erase_screen (2);
4259 scr_change_screen (state);
4260 break;
4261 case 1049: /* secondary screen w/ clearing first */
4262 scr_change_screen (state);
4263 if (OPTION (Opt_secondaryScreen))
4264 if (current_screen != PRIMARY)
4265 scr_erase_screen (2);
4266 break;
4267 default:
4268 break;
4269 }
4270 }
4271 }
4272 /*}}} */
4273
4274 /*{{{ process sgr sequences */
4275 void
4276 rxvt_term::process_sgr_mode (unsigned int nargs, const int *arg)
4277 {
4278 unsigned int i;
4279 short rendset;
4280 int rendstyle;
4281
4282 if (nargs == 0)
4283 {
4284 scr_rendition (0, ~RS_None);
4285 return;
4286 }
4287
4288 for (i = 0; i < nargs; i++)
4289 {
4290 rendset = -1;
4291 switch (arg[i])
4292 {
4293 case 0:
4294 rendset = 0, rendstyle = ~RS_None;
4295 break;
4296 case 1:
4297 rendset = 1, rendstyle = RS_Bold;
4298 break;
4299 //case 2: // low intensity
4300 case 3:
4301 rendset = 1, rendstyle = RS_Italic;
4302 break;
4303 case 4:
4304 rendset = 1, rendstyle = RS_Uline;
4305 break;
4306 case 5: // slowly blinking
4307 case 6: // rapidly blinking
4308 rendset = 1, rendstyle = RS_Blink;
4309 break;
4310 //case 6: // scoansi light background
4311 case 7:
4312 rendset = 1, rendstyle = RS_RVid;
4313 break;
4314 case 8:
4315 // invisible. NYI
4316 break;
4317 //case 9: // crossed out
4318 //case 10: // scoansi acs off, primary font
4319 //case 11: // scoansi acs on, first alt font
4320 //case 12: // scoansi acs on, |0x80, second alt font
4321 //...
4322 //case 19: // ninth alt font
4323 //case 20: // gothic
4324 case 21: // disable bold, faint, sometimes doubly underlined (iso 8613)
4325 rendset = 0, rendstyle = RS_Bold;
4326 break;
4327 case 22: // normal intensity
4328 rendset = 0, rendstyle = RS_Bold;
4329 break;
4330 case 23: // disable italic
4331 rendset = 0, rendstyle = RS_Italic;
4332 break;
4333 case 24:
4334 rendset = 0, rendstyle = RS_Uline;
4335 break;
4336 case 25:
4337 rendset = 0, rendstyle = RS_Blink;
4338 break;
4339 case 26: // variable spacing (iso 8613)
4340 rendset = 0, rendstyle = RS_Blink;
4341 break;
4342 case 27:
4343 rendset = 0, rendstyle = RS_RVid;
4344 break;
4345 //case 28: // visible. NYI
4346 //case 29: // not crossed-out
4347 }
4348
4349 if (rendset != -1)
4350 {
4351 scr_rendition (rendset, rendstyle);
4352 continue; /* for (;i;) */
4353 }
4354
4355 switch (arg[i])
4356 {
4357 case 30:
4358 case 31: /* set fg color */
4359 case 32:
4360 case 33:
4361 case 34:
4362 case 35:
4363 case 36:
4364 case 37:
4365 scr_color ((unsigned int) (minCOLOR + (arg[i] - 30)), Color_fg);
4366 break;
4367 case 38: // set fg color, ISO 8613-6
4368 if (nargs > i + 2 && arg[i + 1] == 5)
4369 {
4370 scr_color ((unsigned int) (minCOLOR + arg[i + 2]), Color_fg);
4371 i += 2;
4372 }
4373 break;
4374 case 39: /* default fg */
4375 scr_color (Color_fg, Color_fg);
4376 break;
4377
4378 case 40:
4379 case 41: /* set bg color */
4380 case 42:
4381 case 43:
4382 case 44:
4383 case 45:
4384 case 46:
4385 case 47:
4386 scr_color ((unsigned int) (minCOLOR + (arg[i] - 40)), Color_bg);
4387 break;
4388 case 48: // set bg color, ISO 8613-6
4389 if (nargs > i + 2 && arg[i + 1] == 5)
4390 {
4391 scr_color ((unsigned int) (minCOLOR + arg[i + 2]), Color_bg);
4392 i += 2;
4393 }
4394 break;
4395 case 49: /* default bg */
4396 scr_color (Color_bg, Color_bg);
4397 break;
4398
4399 //case 50: // not variable spacing
4400
4401 #if ENABLE_FRILLS
4402 case 90:
4403 case 91: /* set bright fg color */
4404 case 92:
4405 case 93:
4406 case 94:
4407 case 95:
4408 case 96:
4409 case 97:
4410 scr_color ((unsigned int) (minBrightCOLOR + (arg[i] - 90)), Color_fg);
4411 break;
4412 case 100:
4413 case 101: /* set bright bg color */
4414 case 102:
4415 case 103:
4416 case 104:
4417 case 105:
4418 case 106:
4419 case 107:
4420 scr_color ((unsigned int) (minBrightCOLOR + (arg[i] - 100)), Color_bg);
4421 break;
4422 #endif
4423 }
4424 }
4425 }
4426 /*}}} */
4427
4428 /*{{{ (do not) process Rob Nation's own graphics mode sequences */
4429 void
4430 rxvt_term::process_graphics ()
4431 {
4432 unicode_t ch, cmd = cmd_getc ();
4433
4434 if (cmd == 'Q')
4435 { /* query graphics */
4436 tt_printf ("\033G0\012"); /* no graphics */
4437 return;
4438 }
4439 /* swallow other graphics sequences until terminating ':' */
4440 do
4441 ch = cmd_getc ();
4442 while (ch != ':');
4443 }
4444 /*}}} */
4445
4446 /* ------------------------------------------------------------------------- */
4447
4448 /*
4449 * Send printf () formatted output to the command.
4450 * Only use for small amounts of data.
4451 */
4452 void
4453 rxvt_term::tt_printf (const char *fmt,...)
4454 {
4455 va_list arg_ptr;
4456 char buf[256];
4457
4458 va_start (arg_ptr, fmt);
4459 vsnprintf ((char *)buf, 256, fmt, arg_ptr);
4460 va_end (arg_ptr);
4461 tt_write (buf, strlen (buf));
4462 }
4463
4464 /* ---------------------------------------------------------------------- */
4465 /* Write data to the pty as typed by the user, pasted with the mouse,
4466 * or generated by us in response to a query ESC sequence.
4467 */
4468 const unsigned int MAX_PTY_WRITE = 255; // minimum MAX_INPUT
4469
4470 void
4471 rxvt_term::tt_write (const char *data, unsigned int len)
4472 {
4473 if (pty.pty < 0)
4474 return;
4475
4476 if (v_buflen == 0)
4477 {
4478 ssize_t written = write (pty.pty, data, min (len, MAX_PTY_WRITE));
4479
4480 if ((unsigned int)written == len)
4481 return;
4482
4483 data += written;
4484 len -= written;
4485 }
4486
4487 v_buffer = (char *)realloc (v_buffer, v_buflen + len);
4488
4489 memcpy (v_buffer + v_buflen, data, len);
4490 v_buflen += len;
4491
4492 pty_ev.set (EVENT_READ | EVENT_WRITE);
4493 }
4494
4495 void rxvt_term::pty_write ()
4496 {
4497 int written = write (pty.pty, v_buffer, min (v_buflen, MAX_PTY_WRITE));
4498
4499 if (written > 0)
4500 {
4501 v_buflen -= written;
4502
4503 if (v_buflen == 0)
4504 {
4505 free (v_buffer);
4506 v_buffer = 0;
4507 v_buflen = 0;
4508
4509 pty_ev.set (EVENT_READ);
4510 return;
4511 }
4512
4513 memmove (v_buffer, v_buffer + written, v_buflen);
4514 }
4515 else if (written != -1 || (errno != EAGAIN && errno != EINTR))
4516 pty_ev.set (EVENT_READ);
4517 }
4518
4519 /*----------------------- end-of-file (C source) -----------------------*/
4520