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Revision: 1.298
Committed: Sat Jan 12 22:13:46 2008 UTC (16 years, 4 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.297: +2 -0 lines
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# Content
1 /*----------------------------------------------------------------------*
2 * File: main.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 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
12 * - extensive modifications
13 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
14 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15 * - extensive modifications
16 * Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com>
17 *
18 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation; either version 2 of the License, or
21 * (at your option) any later version.
22 *
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program; if not, write to the Free Software
30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 *---------------------------------------------------------------------*/
32
33 #include "../config.h" /* NECESSARY */
34 #include "rxvt.h" /* NECESSARY */
35 #include "keyboard.h"
36 #include "rxvtperl.h"
37
38 #include <limits>
39
40 #include <csignal>
41 #include <cstring>
42
43 #include <termios.h>
44
45 #ifdef HAVE_XSETLOCALE
46 # define X_LOCALE
47 # include <X11/Xlocale.h>
48 #else
49 # ifdef HAVE_SETLOCALE
50 # include <clocale>
51 # endif
52 #endif
53
54 vector<rxvt_term *> rxvt_term::termlist;
55
56 // used to tell global functions which terminal instance is "active"
57 rxvt_t rxvt_current_term;
58
59 static char curlocale[128], savelocale[128];
60
61 bool
62 rxvt_set_locale (const char *locale) NOTHROW
63 {
64 int size = strlen (locale) + 1;
65
66 if (size > sizeof (curlocale))
67 rxvt_fatal ("locale string too long, aborting.\n");
68
69 if (!locale || !memcmp (locale, curlocale, size))
70 return false;
71
72 memcpy (curlocale, locale, size);
73 setlocale (LC_CTYPE, curlocale);
74 return true;
75 }
76
77 void
78 rxvt_push_locale (const char *locale) NOTHROW
79 {
80 strcpy (savelocale, curlocale);
81 rxvt_set_locale (locale);
82 }
83
84 void
85 rxvt_pop_locale () NOTHROW
86 {
87 rxvt_set_locale (savelocale);
88 }
89
90 #if ENABLE_COMBINING
91 class rxvt_composite_vec rxvt_composite;
92
93 text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
94 {
95 compose_char *cc;
96
97 // break compose chains, as stupid readline really likes to duplicate
98 // composing characters for some reason near the end of a line.
99 cc = (*this)[c1];
100 while (cc)
101 {
102 if (cc->c2 == c2) return c1;
103 cc = (*this)[cc->c1];
104 }
105
106 // check to see wether this combination already exists otherwise
107 for (cc = v.end (); cc-- > v.begin (); )
108 {
109 if (cc->c1 == c1 && cc->c2 == c2)
110 return COMPOSE_LO + (cc - v.begin ());
111 }
112
113 // allocate a new combination
114 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
115 {
116 static int seen;
117
118 if (!seen++)
119 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
120
121 return REPLACEMENT_CHAR;
122 }
123
124 v.push_back (compose_char (c1, c2));
125
126 return v.size () - 1 + COMPOSE_LO;
127 }
128
129 int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
130 {
131 compose_char *cc = (*this)[c];
132
133 if (!cc)
134 {
135 if (r) *r = c;
136 return 1;
137 }
138
139 int len = expand (cc->c1, r);
140
141 if (r) r += len;
142
143 if (cc->c2 != NOCHAR)
144 {
145 len++;
146 if (r) *r++ = cc->c2;
147 }
148
149 return len;
150
151 }
152 #endif
153
154 rxvt_term::rxvt_term ()
155 {
156 #if HAVE_BG_PIXMAP
157 update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
158 #endif
159 #ifdef CURSOR_BLINK
160 cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
161 #endif
162 #ifdef TEXT_BLINK
163 text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
164 #endif
165 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
166 cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
167 #endif
168 #ifdef SELECTION_SCROLLING
169 sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
170 #endif
171 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
172 slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
173 #endif
174 #if ENABLE_TRANSPARENCY || ENABLE_PERL
175 rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
176 #endif
177 #ifdef HAVE_SCROLLBARS
178 scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
179 #endif
180 #ifdef USE_XIM
181 im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
182 #endif
183 #ifdef POINTER_BLANK
184 pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
185 #endif
186 #ifndef NO_BELL
187 bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
188 #endif
189 child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
190 flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
191 destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
192 pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
193 incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
194 termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
195 vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
196
197 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
198
199 termlist.push_back (this);
200
201 #ifdef KEYSYM_RESOURCE
202 keyboard = new keyboard_manager;
203 #endif
204 }
205
206 // clean up the most important stuff, do *not* call x or free mem etc.
207 // for use before an emergency exit
208 void
209 rxvt_term::emergency_cleanup ()
210 {
211 if (cmd_pid)
212 kill (-cmd_pid, SIGHUP);
213
214 pty_ev.stop ();
215 delete pty; pty = 0;
216 }
217
218 rxvt_term::~rxvt_term ()
219 {
220 termlist.erase (find (termlist.begin (), termlist.end(), this));
221
222 emergency_cleanup ();
223
224 #if ENABLE_STYLES
225 for (int i = RS_styleCount; --i; )
226 if (fontset[i] != fontset[0])
227 delete fontset[i];
228 #endif
229 delete fontset[0];
230
231 if (display)
232 {
233 selection_clear ();
234
235 #ifdef USE_XIM
236 im_destroy ();
237 #endif
238 #ifdef XTERM_SCROLLBAR
239 if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
240 if (ShadowGC) XFreeGC (dpy, ShadowGC);
241 #endif
242 #ifdef PLAIN_SCROLLBAR
243 if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
244 #endif
245 #ifdef NEXT_SCROLLBAR
246 if (blackGC) XFreeGC (dpy, blackGC);
247 if (whiteGC) XFreeGC (dpy, whiteGC);
248 if (grayGC) XFreeGC (dpy, grayGC);
249 if (darkGC) XFreeGC (dpy, darkGC);
250 if (stippleGC) XFreeGC (dpy, stippleGC);
251 if (dimple) XFreePixmap (dpy, dimple);
252 if (upArrow) XFreePixmap (dpy, upArrow);
253 if (downArrow) XFreePixmap (dpy, downArrow);
254 if (upArrowHi) XFreePixmap (dpy, upArrowHi);
255 if (downArrowHi) XFreePixmap (dpy, downArrowHi);
256 #endif
257 #ifdef RXVT_SCROLLBAR
258 if (topShadowGC) XFreeGC (dpy, topShadowGC);
259 if (botShadowGC) XFreeGC (dpy, botShadowGC);
260 if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
261 #endif
262 if (gc) XFreeGC (dpy, gc);
263
264 delete drawable;
265 // destroy all windows
266 if (parent[0])
267 XDestroyWindow (dpy, parent[0]);
268
269 for (int i = 0; i < TOTAL_COLORS; i++)
270 if (ISSET_PIXCOLOR (i))
271 {
272 pix_colors_focused [i].free (this);
273 #if OFF_FOCUS_FADING
274 pix_colors_unfocused [i].free (this);
275 #endif
276 }
277
278 clear ();
279 }
280
281 #ifdef HAVE_BG_PIXMAP
282 bgPixmap.destroy ();
283 #endif
284 display->flush (); /* ideally .put should do this */
285 displays.put (display);
286
287 scr_release ();
288
289 /* clear all resources */
290 for (int i = 0; i < allocated.size (); i++)
291 free (allocated [i]);
292
293 free (selection.text);
294 // TODO: manage env vars in child only(!)
295 free (env_display);
296 free (env_term);
297 free (locale);
298 free (v_buffer);
299 free (incr_buf);
300
301 delete envv;
302 delete argv;
303
304 #ifdef KEYSYM_RESOURCE
305 delete keyboard;
306 #endif
307 #ifndef NO_RESOURCES
308 XrmDestroyDatabase (option_db);
309 #endif
310 }
311
312 // child has exited, usually destroys
313 void
314 rxvt_term::child_cb (ev::child &w, int status)
315 {
316 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
317
318 cmd_pid = 0;
319
320 if (!option (Opt_hold))
321 destroy ();
322 }
323
324 void
325 rxvt_term::destroy ()
326 {
327 if (destroy_ev.is_active ())
328 return;
329
330 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
331
332 #if ENABLE_OVERLAY
333 scr_overlay_off ();
334 #endif
335
336 if (display)
337 {
338 #if USE_XIM
339 im_ev.stop (display);
340 #endif
341 #if HAVE_SCROLLBARS
342 scrollbar_ev.stop (display);
343 #endif
344 #if ENABLE_TRANSPARENCY || ENABLE_PERL
345 rootwin_ev.stop (display);
346 #endif
347 incr_ev.stop ();
348 termwin_ev.stop (display);
349 vt_ev.stop (display);
350 }
351
352 flush_ev.stop ();
353 pty_ev.stop ();
354 #ifdef CURSOR_BLINK
355 cursor_blink_ev.stop ();
356 #endif
357 #ifdef TEXT_BLINK
358 text_blink_ev.stop ();
359 #endif
360 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
361 cont_scroll_ev.stop ();
362 #endif
363 #ifdef SELECTION_SCROLLING
364 sel_scroll_ev.stop ();
365 #endif
366 #ifdef POINTER_BLANK
367 pointer_ev.stop ();
368 #endif
369
370 destroy_ev.start ();
371 }
372
373 void
374 rxvt_term::destroy_cb (ev::idle &w, int revents)
375 {
376 make_current ();
377
378 delete this;
379 }
380
381 /*----------------------------------------------------------------------*/
382 /*
383 * Exit gracefully, clearing the utmp entry and restoring tty attributes
384 * TODO: if debugging, this should free up any known resources if we can
385 */
386 static XErrorHandler old_xerror_handler;
387
388 static void
389 rxvt_emergency_cleanup ()
390 {
391 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
392 (*t)->emergency_cleanup ();
393 }
394
395 #if !ENABLE_MINIMAL
396 static void
397 print_x_error (Display *dpy, XErrorEvent *event)
398 {
399 char buffer[BUFSIZ];
400 char mesg[BUFSIZ];
401 char number[32];
402 char *mtype = "XlibMessage";
403 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
404 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
405 rxvt_warn ("An X Error occured, trying to continue after report.\n");
406 rxvt_warn ("%s: %s\n", mesg, buffer);
407 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
408 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
409 sprintf(number, "%d", event->request_code);
410 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
411 rxvt_warn ("(which is %s)\n", buffer);
412 if (event->request_code >= 128) {
413 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
414 mesg, BUFSIZ);
415 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
416 }
417 if ((event->error_code == BadWindow) ||
418 (event->error_code == BadPixmap) ||
419 (event->error_code == BadCursor) ||
420 (event->error_code == BadFont) ||
421 (event->error_code == BadDrawable) ||
422 (event->error_code == BadColor) ||
423 (event->error_code == BadGC) ||
424 (event->error_code == BadIDChoice) ||
425 (event->error_code == BadValue) ||
426 (event->error_code == BadAtom)) {
427 if (event->error_code == BadValue)
428 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
429 mesg, BUFSIZ);
430 else if (event->error_code == BadAtom)
431 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
432 mesg, BUFSIZ);
433 else
434 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
435 mesg, BUFSIZ);
436 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
437 }
438 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
439 mesg, BUFSIZ);
440 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
441 }
442 #endif
443
444 int
445 rxvt_xerror_handler (Display *display, XErrorEvent *event)
446 {
447 if (GET_R->allowedxerror == -1)
448 GET_R->allowedxerror = event->error_code;
449 else
450 {
451 // GET_R is most likely not the terminal which caused the error,
452 // so just output the error and continue
453 #if ENABLE_MINIMAL
454 old_xerror_handler (display, event);
455 #else
456 print_x_error (display, event);
457 #endif
458 }
459
460 return 0;
461 }
462
463 int
464 rxvt_xioerror_handler (Display *display)
465 {
466 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
467 DisplayString (display));
468 rxvt_emergency_cleanup ();
469 _exit (EXIT_FAILURE);
470 }
471
472 /*----------------------------------------------------------------------*/
473 void
474 rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
475 {
476 this->envv = envv;
477
478 SET_R (this);
479 set_locale ("");
480 set_environ (envv); // few things in X do not call setlocale :(
481
482 init_vars ();
483
484 init_secondary ();
485
486 const char **cmd_argv = init_resources (argc, argv);
487
488 #ifdef KEYSYM_RESOURCE
489 keyboard->register_done ();
490 #endif
491
492 #ifdef HAVE_SCROLLBARS
493 if (option (Opt_scrollBar))
494 scrollBar.setIdle (); /* set existence for size calculations */
495 #endif
496
497 pty = ptytty::create ();
498
499 create_windows (argc, argv);
500
501 init_xlocale ();
502
503 scr_reset (); // initialize screen
504
505 #if 0
506 XSynchronize (dpy, True);
507 #endif
508
509 #ifdef HAVE_SCROLLBARS
510 if (option (Opt_scrollBar))
511 resize_scrollbar (); /* create and map scrollbar */
512 #endif
513 #ifdef HAVE_BG_PIXMAP
514 {
515 bgPixmap.set_target (this);
516
517 #ifdef ENABLE_TRANSPARENCY
518 if (option (Opt_transparent))
519 {
520 bgPixmap.set_transparent ();
521
522 #ifdef HAVE_AFTERIMAGE
523 if (rs [Rs_blurradius])
524 bgPixmap.set_blur_radius (rs [Rs_blurradius]);
525 #endif
526 if (ISSET_PIXCOLOR (Color_tint))
527 bgPixmap.set_tint (pix_colors_focused [Color_tint]);
528
529 if (rs [Rs_shade])
530 bgPixmap.set_shade (rs [Rs_shade]);
531
532 bgPixmap.set_root_pixmap ();
533 XSelectInput (dpy, display->root, PropertyChangeMask);
534 rootwin_ev.start (display, display->root);
535 }
536 #endif
537
538 #ifdef BG_IMAGE_FROM_FILE
539 if (rs[Rs_backgroundPixmap])
540 {
541 const char *p = rs[Rs_backgroundPixmap];
542
543 if ((p = strchr (p, ';')) != 0)
544 {
545 p++;
546 bgPixmap.set_geometry (p);
547 }
548 else
549 bgPixmap.set_defaultGeometry ();
550
551 if (bgPixmap.set_file (rs[Rs_backgroundPixmap]))
552 if (!bgPixmap.window_position_sensitive ())
553 update_background ();
554 }
555 #endif
556 }
557 #endif
558
559 #if ENABLE_PERL
560 rootwin_ev.start (display, display->root);
561 #endif
562
563 set_colorfgbg ();
564
565 init_command (cmd_argv);
566
567 free (cmd_argv);
568
569 if (pty->pty >= 0)
570 pty_ev.start (pty->pty, ev::READ);
571
572 HOOK_INVOKE ((this, HOOK_START, DT_END));
573
574 #if ENABLE_XEMBED
575 if (rs[Rs_embed])
576 {
577 long info[2] = { 0, XEMBED_MAPPED };
578
579 XChangeProperty (dpy, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
580 32, PropModeReplace, (unsigned char *)&info, 2);
581 }
582 #endif
583
584 XMapWindow (dpy, vt);
585 XMapWindow (dpy, parent[0]);
586
587 refresh_check ();
588 }
589
590 static struct sig_handlers
591 {
592 ev::sig sw_term, sw_int;
593
594 /*
595 * Catch a fatal signal and tidy up before quitting
596 */
597 void sig_term (ev::sig &w, int revents);
598
599 sig_handlers ()
600 {
601 sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
602 sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
603 }
604 } sig_handlers;
605
606 void
607 sig_handlers::sig_term (ev::sig &w, int revents)
608 {
609 rxvt_emergency_cleanup ();
610 w.stop ();
611 kill (getpid (), w.signum);
612 }
613
614 char **rxvt_environ; // startup environment
615
616 void
617 rxvt_init ()
618 {
619 ptytty::init ();
620
621 if (!ev_default_loop (0))
622 rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
623
624 rxvt_environ = environ;
625
626 signal (SIGHUP, SIG_IGN);
627 signal (SIGPIPE, SIG_IGN);
628
629 sig_handlers.sw_term.start (SIGTERM); ev_unref ();
630 sig_handlers.sw_int.start (SIGINT); ev_unref ();
631
632 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
633 /* signal (SIGURG, SIG_DFL); */
634
635 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
636 // TODO: handle this with exceptions and tolerate the memory loss
637 XSetIOErrorHandler (rxvt_xioerror_handler);
638
639 XrmInitialize ();
640 }
641
642 /*----------------------------------------------------------------------*/
643 /*
644 * window size/position calculations for XSizeHint and other storage.
645 * if width/height are non-zero then override calculated width/height
646 */
647 void
648 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
649 {
650 short recalc_x, recalc_y;
651 int x, y, sb_w, flags;
652 unsigned int w, h;
653 unsigned int max_width, max_height;
654
655 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
656 szHint.win_gravity = NorthWestGravity;
657 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
658
659 recalc_x = recalc_y = 0;
660 flags = 0;
661
662 if (!parsed_geometry)
663 {
664 parsed_geometry = 1;
665
666 if (rs[Rs_geometry])
667 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
668
669 if (flags & WidthValue)
670 {
671 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
672 szHint.flags |= USSize;
673 }
674
675 if (flags & HeightValue)
676 {
677 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
678 szHint.flags |= USSize;
679 }
680
681 if (flags & XValue)
682 {
683 szHint.x = x;
684 szHint.flags |= USPosition;
685
686 if (flags & XNegative)
687 {
688 recalc_x = 1;
689 szHint.win_gravity = NorthEastGravity;
690 }
691 }
692
693 if (flags & YValue)
694 {
695 szHint.y = y;
696 szHint.flags |= USPosition;
697
698 if (flags & YNegative)
699 {
700 recalc_y = 1;
701
702 if (szHint.win_gravity == NorthEastGravity)
703 szHint.win_gravity = SouthEastGravity;
704 else
705 szHint.win_gravity = SouthWestGravity;
706 }
707 }
708 }
709
710 /* TODO: BOUNDS */
711 width = ncol * fwidth;
712 height = nrow * fheight;
713 max_width = MAX_COLS * fwidth;
714 max_height = MAX_ROWS * fheight;
715
716 szHint.base_width = szHint.base_height = 2 * int_bwidth;
717
718 sb_w = 0;
719 window_vt_x = window_vt_y = int_bwidth;
720
721 if (scrollBar.state)
722 {
723 sb_w = scrollbar_TotalWidth ();
724 szHint.base_width += sb_w;
725
726 if (!option (Opt_scrollBar_right))
727 window_vt_x += sb_w;
728 }
729
730 szHint.width_inc = fwidth;
731 szHint.height_inc = fheight;
732 szHint.min_width = szHint.base_width + szHint.width_inc;
733 szHint.min_height = szHint.base_height + szHint.height_inc;
734
735 if (newwidth && newwidth - szHint.base_width < max_width)
736 {
737 szHint.width = newwidth;
738 width = newwidth - szHint.base_width;
739 }
740 else
741 {
742 min_it (width, max_width);
743 szHint.width = szHint.base_width + width;
744 }
745
746 if (newheight && newheight - szHint.base_height < max_height)
747 {
748 szHint.height = newheight;
749 height = newheight - szHint.base_height;
750 }
751 else
752 {
753 min_it (height, max_height);
754 szHint.height = szHint.base_height + height;
755 }
756
757 if (scrollBar.state && option (Opt_scrollBar_right))
758 window_sb_x = szHint.width - sb_w;
759
760 if (recalc_x)
761 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
762
763 if (recalc_y)
764 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
765
766 ncol = width / fwidth;
767 nrow = height / fheight;
768 }
769
770 /*----------------------------------------------------------------------*/
771 /*
772 * Tell the teletype handler what size the window is.
773 * Called after a window size change.
774 */
775 void
776 rxvt_term::tt_winch ()
777 {
778 if (pty->pty < 0)
779 return;
780
781 struct winsize ws;
782
783 ws.ws_col = ncol;
784 ws.ws_row = nrow;
785 ws.ws_xpixel = width;
786 ws.ws_ypixel = height;
787 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
788
789 #if 0
790 // TIOCSWINSZ is supposed to do this automatically and correctly
791 if (cmd_pid) /* force through to the command */
792 kill (-cmd_pid, SIGWINCH);
793 #endif
794 }
795
796 /*----------------------------------------------------------------------*/
797 /* set_fonts () - load and set the various fonts
798 *
799 * init = 1 - initialize
800 *
801 * fontname == FONT_UP - switch to bigger font
802 * fontname == FONT_DN - switch to smaller font
803 */
804 bool
805 rxvt_term::set_fonts ()
806 {
807 rxvt_fontset *fs = new rxvt_fontset (this);
808 rxvt_fontprop prop;
809
810 if (!fs
811 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
812 || !fs->realize_font (1))
813 {
814 delete fs;
815 return false;
816 }
817
818 #if ENABLE_STYLES
819 for (int i = RS_styleCount; --i; )
820 if (fontset[i] != fontset[0])
821 delete fontset[i];
822 #endif
823
824 delete fontset[0];
825 fontset[0] = fs;
826
827 prop = (*fs)[1]->properties ();
828 prop.height += lineSpace;
829
830 fs->set_prop (prop, false);
831
832 fwidth = prop.width;
833 fheight = prop.height;
834 fbase = prop.ascent;
835
836 for (int style = 1; style < 4; style++)
837 {
838 #if ENABLE_STYLES
839 const char *res = rs[Rs_font + style];
840
841 if (res && !*res)
842 fontset[style] = fontset[0];
843 else
844 {
845 fontset[style] = fs = new rxvt_fontset (this);
846 rxvt_fontprop prop2 = prop;
847
848 if (res)
849 {
850 fs->populate (res);
851 fs->set_prop (prop2, false);
852 }
853 else
854 {
855 fs->populate (fontset[0]->fontdesc);
856
857 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
858 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
859
860 fs->set_prop (prop2, true);
861 }
862
863 }
864 #else
865 fontset[style] = fontset[0];
866 #endif
867 }
868
869 if (parent[0])
870 {
871 resize_all_windows (0, 0, 0);
872 scr_remap_chars ();
873 scr_touch (true);
874 }
875
876 return true;
877 }
878
879 void
880 rxvt_term::set_string_property (Atom prop, const char *str, int len)
881 {
882 XChangeProperty (dpy, parent[0],
883 prop, XA_STRING, 8, PropModeReplace,
884 (const unsigned char *)str, len >= 0 ? len : strlen (str));
885 }
886
887 void
888 rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
889 {
890 wchar_t *ws = rxvt_mbstowcs (str, len);
891 char *s = rxvt_wcstoutf8 (ws);
892
893 XChangeProperty (dpy, parent[0],
894 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
895 (const unsigned char *)s, strlen (s));
896
897 free (s);
898 free (ws);
899 }
900
901 /*----------------------------------------------------------------------*/
902 /*----------------------------------------------------------------------*/
903 /* xterm sequences - title, iconName, color (exptl) */
904 void
905 rxvt_term::set_title (const char *str)
906 {
907 set_string_property (XA_WM_NAME, str);
908 #if ENABLE_EWMH
909 set_utf8_property (xa[XA_NET_WM_NAME], str);
910 #endif
911 }
912
913 void
914 rxvt_term::set_icon_name (const char *str)
915 {
916 set_string_property (XA_WM_ICON_NAME, str);
917 #if ENABLE_EWMH
918 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
919 #endif
920 }
921
922 void
923 rxvt_term::set_window_color (int idx, const char *color)
924 {
925 #ifdef XTERM_COLOR_CHANGE
926 rxvt_color xcol;
927 int i;
928
929 if (color == NULL || *color == '\0')
930 return;
931
932 color = strdup (color);
933 allocated.push_back ((void *)color);
934 rs[Rs_color + idx] = color;
935
936 /* handle color aliases */
937 if (isdigit (*color))
938 {
939 i = atoi (color);
940
941 if (i >= 8 && i <= 15)
942 {
943 /* bright colors */
944 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
945 goto done;
946 }
947
948 if (i >= 0 && i <= 7)
949 {
950 /* normal colors */
951 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
952 goto done;
953 }
954 }
955
956 set_color (xcol, color);
957
958 /*
959 * FIXME: should free colors here, but no idea how to do it so instead,
960 * so just keep gobbling up the colormap
961 */
962
963 pix_colors_focused[idx] = xcol;
964
965 done:
966 /*TODO: handle Color_BD, scrollbar background, etc. */
967
968 update_fade_color (idx);
969 recolour_cursor ();
970 scr_recolour ();
971 #endif /* XTERM_COLOR_CHANGE */
972 }
973
974 void
975 rxvt_term::recolour_cursor ()
976 {
977 XColor fg, bg;
978
979 (ISSET_PIXCOLOR (Color_pointer_fg)
980 ? pix_colors_focused[Color_pointer_fg]
981 : pix_colors_focused[Color_fg]).get (fg);
982
983 (ISSET_PIXCOLOR (Color_pointer_bg)
984 ? pix_colors_focused[Color_pointer_bg]
985 : pix_colors_focused[Color_bg]).get (bg);
986
987 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
988 }
989
990 /*----------------------------------------------------------------------*/
991 /*
992 * find if fg/bg matches any of the normal (low-intensity) colors
993 */
994 void
995 rxvt_term::set_colorfgbg ()
996 {
997 unsigned int i;
998 const char *xpmb = "";
999 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
1000
1001 strcpy (fstr, "default");
1002 strcpy (bstr, "default");
1003 for (i = Color_Black; i <= Color_White; i++)
1004 if (pix_colors[Color_fg] == pix_colors[i])
1005 {
1006 sprintf (fstr, "%d", (i - Color_Black));
1007 break;
1008 }
1009
1010 for (i = Color_Black; i <= Color_White; i++)
1011 if (pix_colors[Color_bg] == pix_colors[i])
1012 {
1013 sprintf (bstr, "%d", (i - Color_Black));
1014 #ifdef BG_IMAGE_FROM_FILE
1015 xpmb = "default;";
1016 #endif
1017 break;
1018 }
1019
1020 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1021 }
1022
1023 /*----------------------------------------------------------------------*/
1024
1025 bool
1026 rxvt_term::set_color (rxvt_color &color, const char *name)
1027 {
1028 if (color.set (this, name))
1029 return true;
1030
1031 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1032 return false;
1033 }
1034
1035 void
1036 rxvt_term::alias_color (int dst, int src)
1037 {
1038 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1039 }
1040
1041 /* -------------------------------------------------------------------- *
1042 * - WINDOW RESIZING - *
1043 * -------------------------------------------------------------------- */
1044 void
1045 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1046 {
1047 int fix_screen;
1048 int old_width = szHint.width;
1049 int old_height = szHint.height;
1050
1051 window_calc (newwidth, newheight);
1052
1053 if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
1054 XSetWMNormalHints (dpy, parent[0], &szHint);
1055
1056 if (!ignoreparent)
1057 {
1058 #ifdef SMART_RESIZE
1059 /*
1060 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1061 * reposition window on resize depending on placement on screen
1062 */
1063 int x, y, x1, y1;
1064 int dx, dy;
1065 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1066 Window unused_cr;
1067
1068 XTranslateCoordinates (dpy, parent[0], display->root,
1069 0, 0, &x, &y, &unused_cr);
1070 XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
1071 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1072 /*
1073 * if display->root isn't the parent window, a WM will probably have offset
1074 * our position for handles and decorations. Counter it
1075 */
1076 if (x1 != x || y1 != y)
1077 {
1078 x -= x1;
1079 y -= y1;
1080 }
1081
1082 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1083 y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1084 dx = old_width - szHint.width;
1085 dy = old_height - szHint.height;
1086
1087 /* Check position of the center of the window */
1088 if (x < x1) /* left half */
1089 dx = 0;
1090 else if (x == x1) /* exact center */
1091 dx /= 2;
1092 if (y < y1) /* top half */
1093 dy = 0;
1094 else if (y == y1) /* exact center */
1095 dy /= 2;
1096
1097 XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
1098 szHint.width, szHint.height);
1099 #else
1100 XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
1101 #endif
1102 }
1103
1104 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1105
1106 if (fix_screen || newwidth != old_width || newheight != old_height)
1107 {
1108 if (scrollBar.state)
1109 {
1110 XMoveResizeWindow (dpy, scrollBar.win,
1111 window_sb_x, 0,
1112 scrollbar_TotalWidth (), szHint.height);
1113 resize_scrollbar ();
1114 }
1115
1116 XMoveResizeWindow (dpy, vt,
1117 window_vt_x, window_vt_y,
1118 width, height);
1119
1120 #ifdef HAVE_BG_PIXMAP
1121 if (bgPixmap.window_size_sensitive ())
1122 update_background ();
1123 #endif
1124
1125 scr_clear ();
1126 }
1127
1128 if (fix_screen || old_height == 0)
1129 scr_reset ();
1130
1131 // TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
1132 //scr_touch (false);
1133
1134 #ifdef HAVE_BG_PIXMAP
1135 // TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
1136 // if (bgPixmap.pixmap)
1137 // scr_touch (false);
1138 #endif
1139
1140 #ifdef USE_XIM
1141 IMSetPosition ();
1142 #endif
1143 }
1144
1145 /*
1146 * Set the width/height of the vt window in characters. Units are pixels.
1147 * good for toggling 80/132 columns
1148 */
1149 void
1150 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1151 {
1152 XWindowAttributes wattr;
1153
1154 if (newwidth == 0 || newheight == 0)
1155 {
1156 XGetWindowAttributes (dpy, display->root, &wattr);
1157
1158 if (newwidth == 0)
1159 newwidth = wattr.width - szHint.base_width;
1160 if (newheight == 0)
1161 newheight = wattr.height - szHint.base_height;
1162 }
1163
1164 if (newwidth != width || newheight != height)
1165 {
1166 newwidth += szHint.base_width;
1167 newheight += szHint.base_height;
1168 resize_all_windows (newwidth, newheight, 0);
1169 }
1170 }
1171
1172 /* -------------------------------------------------------------------- *
1173 * - X INPUT METHOD ROUTINES - *
1174 * -------------------------------------------------------------------- */
1175 #ifdef USE_XIM
1176
1177 void
1178 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1179 {
1180 fg = pix_colors [Color_fg];
1181 bg = pix_colors [Color_bg];
1182 }
1183
1184 void
1185 rxvt_term::im_set_size (XRectangle &size)
1186 {
1187 // the int_bwidth terms make no sense to me
1188 size.x = int_bwidth;
1189 size.y = int_bwidth;
1190 size.width = Width2Pixel (ncol) + int_bwidth;
1191 size.height = Height2Pixel (nrow) + int_bwidth;
1192 }
1193
1194 void
1195 rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1196 XRectangle &status_rect,
1197 const XRectangle &needed_rect)
1198 {
1199 preedit_rect.x = needed_rect.width;
1200 preedit_rect.y = 0;
1201 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1202 preedit_rect.height = fheight;
1203
1204 status_rect.x = 0;
1205 status_rect.y = 0;
1206 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1207 status_rect.height = fheight;
1208 }
1209
1210 /* Checking whether input method is running. */
1211 bool
1212 rxvt_term::IMisRunning ()
1213 {
1214 char *p;
1215 Atom atom;
1216 Window win;
1217 char server[IMBUFSIZ];
1218
1219 /* get current locale modifier */
1220 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1221 {
1222 strcpy (server, "@server=");
1223 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1224
1225 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1226 *p = '\0';
1227
1228 atom = XInternAtom (dpy, server, False);
1229 win = XGetSelectionOwner (dpy, atom);
1230
1231 if (win != None)
1232 return True;
1233 }
1234
1235 return False;
1236 }
1237
1238 void
1239 rxvt_term::IMSendSpot ()
1240 {
1241 XPoint nspot;
1242 XVaNestedList preedit_attr;
1243
1244 if (!Input_Context
1245 || !focus
1246 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1247 return;
1248
1249 im_set_position (nspot);
1250
1251 if (nspot.x == spot.x && nspot.y == spot.y)
1252 return;
1253
1254 spot = nspot;
1255
1256 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1257 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1258 XFree (preedit_attr);
1259 }
1260
1261 void
1262 rxvt_term::im_destroy ()
1263 {
1264 if (input_method)
1265 {
1266 if (Input_Context && input_method->xim)
1267 XDestroyIC (Input_Context);
1268
1269 display->put_xim (input_method);
1270 input_method = 0;
1271 }
1272
1273 Input_Context = 0;
1274 }
1275
1276 #ifdef ENABLE_XIM_ONTHESPOT
1277
1278 static void
1279 xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1280 {
1281 ((rxvt_term *)client_data)->make_current ();
1282 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1283 }
1284
1285 static void
1286 xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1287 {
1288 ((rxvt_term *)client_data)->make_current ();
1289 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1290 }
1291
1292 static void
1293 xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1294 {
1295 rxvt_term *term = (rxvt_term *)client_data;
1296 XIMText *text = call_data->text;
1297
1298 term->make_current ();
1299
1300 if (text)
1301 {
1302 void *str;
1303
1304 if (!text->encoding_is_wchar && text->string.multi_byte)
1305 {
1306 // of course, X makes it ugly again
1307 if (term->rs[Rs_imLocale])
1308 SET_LOCALE (term->rs[Rs_imLocale]);
1309
1310 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1311 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1312
1313 if (term->rs[Rs_imLocale])
1314 SET_LOCALE (term->locale);
1315 }
1316 else
1317 str = (void *)text->string.wide_char;
1318
1319 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1320 DT_INT, call_data->caret,
1321 DT_INT, call_data->chg_first,
1322 DT_INT, call_data->chg_length,
1323 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1324 DT_WCS_LEN, str, str ? (int)text->length : 0,
1325 DT_END));
1326 }
1327 else
1328 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1329 DT_INT, call_data->caret,
1330 DT_INT, call_data->chg_first,
1331 DT_INT, call_data->chg_length,
1332 DT_END));
1333 }
1334
1335 #if 0
1336 static void
1337 xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1338 {
1339 ((rxvt_term *)client_data)->make_current ();
1340 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1341 DT_INT, call_data->position,
1342 DT_INT, call_data->direction,
1343 DT_INT, call_data->style,
1344 DT_END));
1345 }
1346 #endif
1347
1348 #endif
1349
1350 /*
1351 * Try to open a XIM with the current modifiers, then see if we can
1352 * open a suitable preedit type
1353 */
1354 bool
1355 rxvt_term::IM_get_IC (const char *modifiers)
1356 {
1357 int i, j, found;
1358 XIM xim;
1359 XPoint spot;
1360 XRectangle rect, status_rect, needed_rect;
1361 unsigned long fg, bg;
1362 const char *p;
1363 char **s;
1364 XIMStyles *xim_styles;
1365 #ifdef ENABLE_XIM_ONTHESPOT
1366 XIMCallback xcb[4];
1367 #endif
1368
1369 set_environ (envv);
1370
1371 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1372 return false;
1373
1374 input_method = display->get_xim (locale, modifiers);
1375 if (input_method == NULL)
1376 return false;
1377
1378 xim = input_method->xim;
1379 spot.x = spot.y = -1;
1380
1381 xim_styles = NULL;
1382 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1383 || !xim_styles || !xim_styles->count_styles)
1384 {
1385 im_destroy ();
1386 return false;
1387 }
1388
1389 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1390
1391 for (int pi = 0; pi < 2; pi++)
1392 {
1393 p = pet[pi];
1394
1395 if (!p)
1396 continue;
1397
1398 s = rxvt_splitcommastring (p);
1399
1400 for (i = found = 0; !found && s[i]; i++)
1401 {
1402 if (!strcmp (s[i], "OverTheSpot"))
1403 input_style = XIMPreeditPosition | XIMStatusNothing;
1404 else if (!strcmp (s[i], "OffTheSpot"))
1405 input_style = XIMPreeditArea | XIMStatusArea;
1406 else if (!strcmp (s[i], "Root"))
1407 input_style = XIMPreeditNothing | XIMStatusNothing;
1408 else if (!strcmp (s[i], "None"))
1409 input_style = XIMPreeditNone | XIMStatusNone;
1410 #ifdef ENABLE_XIM_ONTHESPOT
1411 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1412 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1413 #endif
1414 else
1415 input_style = XIMPreeditNothing | XIMStatusNothing;
1416
1417 for (j = 0; j < xim_styles->count_styles; j++)
1418 if (input_style == xim_styles->supported_styles[j])
1419 {
1420 rxvt_freecommastring (s);
1421
1422 found = 1;
1423 goto foundpet;
1424 }
1425
1426 }
1427
1428 rxvt_freecommastring (s);
1429 }
1430
1431 foundpet:
1432
1433 XFree (xim_styles);
1434
1435 if (!found)
1436 {
1437 im_destroy ();
1438 return false;
1439 }
1440
1441 XFontSet fs = 0;
1442 XVaNestedList preedit_attr = 0, status_attr = 0;
1443
1444 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1445 {
1446 // fake us a font-set, please
1447 char **missing_charset_list;
1448 int missing_charset_count;
1449 char *def_string;
1450 char pat[512];
1451
1452 sprintf (pat,
1453 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1454 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1455 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1456 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1457 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1458 "*",
1459 fheight,
1460 fheight + 1, fheight - 1,
1461 fheight - 2, fheight + 2);
1462
1463 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1464 &missing_charset_list, &missing_charset_count, &def_string);
1465
1466 if (missing_charset_list)
1467 XFreeStringList (missing_charset_list);
1468
1469 if (!fs)
1470 {
1471 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1472 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1473 }
1474 }
1475
1476 if (input_style & XIMPreeditPosition)
1477 {
1478 im_set_size (rect);
1479 im_set_position (spot);
1480 im_set_color (fg, bg);
1481
1482 preedit_attr = XVaCreateNestedList (0,
1483 XNForeground, fg,
1484 XNBackground, bg,
1485 XNArea, &rect,
1486 XNSpotLocation, &spot,
1487 XNFontSet, fs,
1488 NULL);
1489 }
1490 else if (input_style & XIMPreeditArea)
1491 {
1492 im_set_color (fg, bg);
1493
1494 /*
1495 * The necessary width of preedit area is unknown
1496 * until create input context.
1497 */
1498 needed_rect.width = 0;
1499 im_set_preedit_area (rect, status_rect, needed_rect);
1500
1501 preedit_attr = XVaCreateNestedList (0,
1502 XNForeground, fg,
1503 XNBackground, bg,
1504 XNArea, &rect,
1505 XNFontSet, fs,
1506 NULL);
1507 status_attr = XVaCreateNestedList (0,
1508 XNForeground, fg,
1509 XNBackground, bg,
1510 XNArea, &status_rect,
1511 XNFontSet, fs,
1512 NULL);
1513 }
1514 #if ENABLE_XIM_ONTHESPOT
1515 else if (input_style & XIMPreeditCallbacks)
1516 {
1517 im_set_position (spot);
1518
1519 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1520 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1521 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1522 # if 0
1523 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1524 # endif
1525
1526 preedit_attr = XVaCreateNestedList (0,
1527 XNSpotLocation, &spot,
1528 XNPreeditStartCallback, &xcb[0],
1529 XNPreeditDoneCallback , &xcb[1],
1530 XNPreeditDrawCallback , &xcb[2],
1531 # if 0
1532 XNPreeditCaretCallback, &xcb[3],
1533 # endif
1534 NULL);
1535 }
1536 #endif
1537
1538 Input_Context = XCreateIC (xim,
1539 XNInputStyle, input_style,
1540 XNClientWindow, vt,
1541 XNFocusWindow, parent[0],
1542 preedit_attr ? XNPreeditAttributes : NULL,
1543 preedit_attr,
1544 status_attr ? XNStatusAttributes : NULL,
1545 status_attr, NULL);
1546
1547 if (preedit_attr) XFree (preedit_attr);
1548 if (status_attr) XFree (status_attr);
1549 if (fs) XFreeFontSet (dpy, fs);
1550
1551 if (Input_Context == NULL)
1552 {
1553 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1554 im_destroy ();
1555 return false;
1556 }
1557
1558 #if 0
1559 // unfortunately, only the focus window is used by XIM, hard to fix
1560 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1561 vt_select_input ();
1562 #endif
1563
1564 IMSetPosition ();
1565
1566 return true;
1567 }
1568
1569 void
1570 rxvt_term::im_cb ()
1571 {
1572 int i;
1573 const char *p;
1574 char **s;
1575 char buf[IMBUFSIZ];
1576
1577 make_current ();
1578
1579 im_destroy ();
1580
1581 if (Input_Context)
1582 return;
1583
1584 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1585 if (rs[Rs_imLocale])
1586 SET_LOCALE (rs[Rs_imLocale]);
1587 #endif
1588
1589 p = rs[Rs_inputMethod];
1590 if (p && *p)
1591 {
1592 bool found = false;
1593
1594 s = rxvt_splitcommastring (p);
1595
1596 for (i = 0; s[i]; i++)
1597 {
1598 if (*s[i])
1599 {
1600 strcpy (buf, "@im=");
1601 strncat (buf, s[i], IMBUFSIZ - 5);
1602 if (IM_get_IC (buf))
1603 {
1604 found = true;
1605 break;
1606 }
1607 }
1608 }
1609
1610 rxvt_freecommastring (s);
1611
1612 if (found)
1613 goto done;
1614 }
1615
1616 /* try with XMODIFIERS env. var. */
1617 if (IM_get_IC (""))
1618 goto done;
1619
1620 /* try with no modifiers base IF the user didn't specify an IM */
1621 if (IM_get_IC ("@im=none"))
1622 goto done;
1623
1624 done:
1625 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1626 if (rs[Rs_imLocale])
1627 SET_LOCALE (locale);
1628 #endif
1629 }
1630
1631 void
1632 rxvt_term::IMSetPosition ()
1633 {
1634 XRectangle preedit_rect, status_rect, *needed_rect;
1635 XVaNestedList preedit_attr, status_attr;
1636
1637 if (!Input_Context
1638 || !focus
1639 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1640 || !IMisRunning ())
1641 return;
1642
1643 if (input_style & XIMPreeditPosition)
1644 {
1645 im_set_size (preedit_rect);
1646 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1647
1648 XSetICValues (Input_Context,
1649 XNPreeditAttributes, preedit_attr, NULL);
1650 }
1651 else
1652 {
1653 /* Getting the necessary width of preedit area */
1654 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1655 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1656 XFree (status_attr);
1657
1658 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1659 XFree (needed_rect);
1660
1661 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1662 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1663
1664 XSetICValues (Input_Context,
1665 XNPreeditAttributes, preedit_attr,
1666 XNStatusAttributes, status_attr,
1667 NULL);
1668
1669 XFree (status_attr);
1670 }
1671
1672 XFree (preedit_attr);
1673 }
1674 #endif /* USE_XIM */
1675
1676 void
1677 rxvt_term::get_window_origin (int &x, int &y)
1678 {
1679 Window cr;
1680 XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
1681 /* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
1682 }
1683
1684 Pixmap
1685 rxvt_term::get_pixmap_property (int prop_id)
1686 {
1687 if (prop_id > 0 && prop_id < NUM_XA)
1688 if (xa[prop_id])
1689 {
1690 int aformat;
1691 unsigned long nitems, bytes_after;
1692 Atom atype;
1693 unsigned char *prop = NULL;
1694 int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
1695 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1696 &nitems, &bytes_after, &prop);
1697 if (result == Success && prop && atype == XA_PIXMAP)
1698 return *(Pixmap *)prop;
1699 }
1700
1701 return None;
1702 }
1703
1704 #ifdef HAVE_BG_PIXMAP
1705 # if TRACE_PIXMAPS
1706 # undef update_background
1707 void
1708 rxvt_term::trace_update_background (const char *file, int line)
1709 {
1710 fprintf (stderr, "%s:%d:update_background()\n", file, line);
1711 update_background ();
1712 }
1713 # endif
1714
1715 void
1716 rxvt_term::update_background ()
1717 {
1718 if (update_background_ev.is_active ())
1719 return;
1720
1721 bgPixmap.invalidate ();
1722
1723 ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
1724
1725 if (to_wait <= 0.)
1726 bgPixmap.render ();
1727 else
1728 update_background_ev.start (to_wait);
1729 }
1730
1731 void
1732 rxvt_term::update_background_cb (ev::timer &w, int revents)
1733 {
1734 make_current ();
1735
1736 update_background_ev.stop ();
1737 bgPixmap.render ();
1738 refresh_check ();
1739 }
1740
1741 #endif /* HAVE_BG_PIXMAP */
1742
1743 /*----------------------- end-of-file (C source) -----------------------*/