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Revision: 1.300
Committed: Sat Jan 19 00:24:53 2008 UTC (16 years, 4 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.299: +7 -6 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 #ifdef HAVE_BG_PIXMAP
232 bgPixmap.destroy ();
233 #endif
234
235 if (display)
236 {
237 selection_clear ();
238
239 #ifdef USE_XIM
240 im_destroy ();
241 #endif
242 #ifdef XTERM_SCROLLBAR
243 if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
244 if (ShadowGC) XFreeGC (dpy, ShadowGC);
245 #endif
246 #ifdef PLAIN_SCROLLBAR
247 if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
248 #endif
249 #ifdef NEXT_SCROLLBAR
250 if (blackGC) XFreeGC (dpy, blackGC);
251 if (whiteGC) XFreeGC (dpy, whiteGC);
252 if (grayGC) XFreeGC (dpy, grayGC);
253 if (darkGC) XFreeGC (dpy, darkGC);
254 if (stippleGC) XFreeGC (dpy, stippleGC);
255 if (dimple) XFreePixmap (dpy, dimple);
256 if (upArrow) XFreePixmap (dpy, upArrow);
257 if (downArrow) XFreePixmap (dpy, downArrow);
258 if (upArrowHi) XFreePixmap (dpy, upArrowHi);
259 if (downArrowHi) XFreePixmap (dpy, downArrowHi);
260 #endif
261 #ifdef RXVT_SCROLLBAR
262 if (topShadowGC) XFreeGC (dpy, topShadowGC);
263 if (botShadowGC) XFreeGC (dpy, botShadowGC);
264 if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
265 #endif
266 if (gc) XFreeGC (dpy, gc);
267
268 delete drawable;
269 // destroy all windows
270 if (parent[0])
271 XDestroyWindow (dpy, parent[0]);
272
273 for (int i = 0; i < TOTAL_COLORS; i++)
274 if (ISSET_PIXCOLOR (i))
275 {
276 pix_colors_focused [i].free (this);
277 #if OFF_FOCUS_FADING
278 pix_colors_unfocused [i].free (this);
279 #endif
280 }
281
282 clear ();
283
284 display->flush (); /* ideally .put should do this */
285 displays.put (display);
286 }
287
288 scr_release ();
289
290 /* clear all resources */
291 for (int i = 0; i < allocated.size (); i++)
292 free (allocated [i]);
293
294 free (selection.text);
295 // TODO: manage env vars in child only(!)
296 free (env_display);
297 free (env_term);
298 free (locale);
299 free (v_buffer);
300 free (incr_buf);
301
302 delete envv;
303 delete argv;
304
305 #ifdef KEYSYM_RESOURCE
306 delete keyboard;
307 #endif
308 #ifndef NO_RESOURCES
309 XrmDestroyDatabase (option_db);
310 #endif
311 }
312
313 // child has exited, usually destroys
314 void
315 rxvt_term::child_cb (ev::child &w, int status)
316 {
317 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
318
319 cmd_pid = 0;
320
321 if (!option (Opt_hold))
322 destroy ();
323 }
324
325 void
326 rxvt_term::destroy ()
327 {
328 if (destroy_ev.is_active ())
329 return;
330
331 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
332
333 #if ENABLE_OVERLAY
334 scr_overlay_off ();
335 #endif
336
337 if (display)
338 {
339 #if USE_XIM
340 im_ev.stop (display);
341 #endif
342 #if HAVE_SCROLLBARS
343 scrollbar_ev.stop (display);
344 #endif
345 #if ENABLE_TRANSPARENCY || ENABLE_PERL
346 rootwin_ev.stop (display);
347 #endif
348 incr_ev.stop ();
349 termwin_ev.stop (display);
350 vt_ev.stop (display);
351 }
352
353 flush_ev.stop ();
354 pty_ev.stop ();
355 #ifdef CURSOR_BLINK
356 cursor_blink_ev.stop ();
357 #endif
358 #ifdef TEXT_BLINK
359 text_blink_ev.stop ();
360 #endif
361 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
362 cont_scroll_ev.stop ();
363 #endif
364 #ifdef SELECTION_SCROLLING
365 sel_scroll_ev.stop ();
366 #endif
367 #ifdef POINTER_BLANK
368 pointer_ev.stop ();
369 #endif
370
371 destroy_ev.start ();
372 }
373
374 void
375 rxvt_term::destroy_cb (ev::idle &w, int revents)
376 {
377 make_current ();
378
379 delete this;
380 }
381
382 /*----------------------------------------------------------------------*/
383 /*
384 * Exit gracefully, clearing the utmp entry and restoring tty attributes
385 * TODO: if debugging, this should free up any known resources if we can
386 */
387 static XErrorHandler old_xerror_handler;
388
389 static void
390 rxvt_emergency_cleanup ()
391 {
392 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
393 (*t)->emergency_cleanup ();
394 }
395
396 #if !ENABLE_MINIMAL
397 static void
398 print_x_error (Display *dpy, XErrorEvent *event)
399 {
400 char buffer[BUFSIZ];
401 char mesg[BUFSIZ];
402 char number[32];
403 char *mtype = "XlibMessage";
404 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
405 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
406 rxvt_warn ("An X Error occured, trying to continue after report.\n");
407 rxvt_warn ("%s: %s\n", mesg, buffer);
408 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
409 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
410 sprintf(number, "%d", event->request_code);
411 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
412 rxvt_warn ("(which is %s)\n", buffer);
413 if (event->request_code >= 128) {
414 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
415 mesg, BUFSIZ);
416 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
417 }
418 if ((event->error_code == BadWindow) ||
419 (event->error_code == BadPixmap) ||
420 (event->error_code == BadCursor) ||
421 (event->error_code == BadFont) ||
422 (event->error_code == BadDrawable) ||
423 (event->error_code == BadColor) ||
424 (event->error_code == BadGC) ||
425 (event->error_code == BadIDChoice) ||
426 (event->error_code == BadValue) ||
427 (event->error_code == BadAtom)) {
428 if (event->error_code == BadValue)
429 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
430 mesg, BUFSIZ);
431 else if (event->error_code == BadAtom)
432 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
433 mesg, BUFSIZ);
434 else
435 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
436 mesg, BUFSIZ);
437 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
438 }
439 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
440 mesg, BUFSIZ);
441 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
442 }
443 #endif
444
445 int
446 rxvt_xerror_handler (Display *display, XErrorEvent *event)
447 {
448 if (GET_R->allowedxerror == -1)
449 GET_R->allowedxerror = event->error_code;
450 else
451 {
452 // GET_R is most likely not the terminal which caused the error,
453 // so just output the error and continue
454 #if ENABLE_MINIMAL
455 old_xerror_handler (display, event);
456 #else
457 print_x_error (display, event);
458 #endif
459 }
460
461 return 0;
462 }
463
464 int
465 rxvt_xioerror_handler (Display *display)
466 {
467 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
468 DisplayString (display));
469 rxvt_emergency_cleanup ();
470 _exit (EXIT_FAILURE);
471 }
472
473 /*----------------------------------------------------------------------*/
474 void
475 rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
476 {
477 this->envv = envv;
478
479 SET_R (this);
480 set_locale ("");
481 set_environ (envv); // few things in X do not call setlocale :(
482
483 init_vars ();
484
485 init_secondary ();
486
487 const char **cmd_argv = init_resources (argc, argv);
488
489 #ifdef KEYSYM_RESOURCE
490 keyboard->register_done ();
491 #endif
492
493 #ifdef HAVE_SCROLLBARS
494 if (option (Opt_scrollBar))
495 scrollBar.setIdle (); /* set existence for size calculations */
496 #endif
497
498 pty = ptytty::create ();
499
500 create_windows (argc, argv);
501
502 init_xlocale ();
503
504 scr_reset (); // initialize screen
505
506 #if 0
507 XSynchronize (dpy, True);
508 #endif
509
510 #ifdef HAVE_SCROLLBARS
511 if (option (Opt_scrollBar))
512 resize_scrollbar (); /* create and map scrollbar */
513 #endif
514 #ifdef HAVE_BG_PIXMAP
515 {
516 bgPixmap.set_target (this);
517 bgPixmap.invalidate ();
518
519 #ifdef ENABLE_TRANSPARENCY
520 if (option (Opt_transparent))
521 {
522 bgPixmap.set_transparent ();
523
524 #ifdef HAVE_AFTERIMAGE
525 if (rs [Rs_blurradius])
526 bgPixmap.set_blur_radius (rs [Rs_blurradius]);
527 #endif
528 if (ISSET_PIXCOLOR (Color_tint))
529 bgPixmap.set_tint (pix_colors_focused [Color_tint]);
530
531 if (rs [Rs_shade])
532 bgPixmap.set_shade (rs [Rs_shade]);
533
534 bgPixmap.set_root_pixmap ();
535 XSelectInput (dpy, display->root, PropertyChangeMask);
536 rootwin_ev.start (display, display->root);
537 }
538 #endif
539
540 #ifdef BG_IMAGE_FROM_FILE
541 if (rs[Rs_backgroundPixmap])
542 {
543 const char *p = rs[Rs_backgroundPixmap];
544
545 if ((p = strchr (p, ';')) != 0)
546 {
547 p++;
548 bgPixmap.set_geometry (p);
549 }
550 else
551 bgPixmap.set_defaultGeometry ();
552
553 if (bgPixmap.set_file (rs[Rs_backgroundPixmap]))
554 if (!bgPixmap.window_position_sensitive ())
555 update_background ();
556 }
557 #endif
558 }
559 #endif
560
561 #if ENABLE_PERL
562 rootwin_ev.start (display, display->root);
563 #endif
564
565 set_colorfgbg ();
566
567 init_command (cmd_argv);
568
569 free (cmd_argv);
570
571 if (pty->pty >= 0)
572 pty_ev.start (pty->pty, ev::READ);
573
574 HOOK_INVOKE ((this, HOOK_START, DT_END));
575
576 #if ENABLE_XEMBED
577 if (rs[Rs_embed])
578 {
579 long info[2] = { 0, XEMBED_MAPPED };
580
581 XChangeProperty (dpy, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
582 32, PropModeReplace, (unsigned char *)&info, 2);
583 }
584 #endif
585
586 XMapWindow (dpy, vt);
587 XMapWindow (dpy, parent[0]);
588
589 refresh_check ();
590 }
591
592 static struct sig_handlers
593 {
594 ev::sig sw_term, sw_int;
595
596 /*
597 * Catch a fatal signal and tidy up before quitting
598 */
599 void sig_term (ev::sig &w, int revents);
600
601 sig_handlers ()
602 {
603 sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
604 sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
605 }
606 } sig_handlers;
607
608 void
609 sig_handlers::sig_term (ev::sig &w, int revents)
610 {
611 rxvt_emergency_cleanup ();
612 w.stop ();
613 kill (getpid (), w.signum);
614 }
615
616 char **rxvt_environ; // startup environment
617
618 void
619 rxvt_init ()
620 {
621 ptytty::init ();
622
623 if (!ev_default_loop (0))
624 rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
625
626 rxvt_environ = environ;
627
628 signal (SIGHUP, SIG_IGN);
629 signal (SIGPIPE, SIG_IGN);
630
631 sig_handlers.sw_term.start (SIGTERM); ev_unref ();
632 sig_handlers.sw_int.start (SIGINT); ev_unref ();
633
634 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
635 /* signal (SIGURG, SIG_DFL); */
636
637 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
638 // TODO: handle this with exceptions and tolerate the memory loss
639 XSetIOErrorHandler (rxvt_xioerror_handler);
640
641 XrmInitialize ();
642 }
643
644 /*----------------------------------------------------------------------*/
645 /*
646 * window size/position calculations for XSizeHint and other storage.
647 * if width/height are non-zero then override calculated width/height
648 */
649 void
650 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
651 {
652 short recalc_x, recalc_y;
653 int x, y, sb_w, flags;
654 unsigned int w, h;
655 unsigned int max_width, max_height;
656
657 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
658 szHint.win_gravity = NorthWestGravity;
659 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
660
661 recalc_x = recalc_y = 0;
662 flags = 0;
663
664 if (!parsed_geometry)
665 {
666 parsed_geometry = 1;
667
668 if (rs[Rs_geometry])
669 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
670
671 if (flags & WidthValue)
672 {
673 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
674 szHint.flags |= USSize;
675 }
676
677 if (flags & HeightValue)
678 {
679 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
680 szHint.flags |= USSize;
681 }
682
683 if (flags & XValue)
684 {
685 szHint.x = x;
686 szHint.flags |= USPosition;
687
688 if (flags & XNegative)
689 {
690 recalc_x = 1;
691 szHint.win_gravity = NorthEastGravity;
692 }
693 }
694
695 if (flags & YValue)
696 {
697 szHint.y = y;
698 szHint.flags |= USPosition;
699
700 if (flags & YNegative)
701 {
702 recalc_y = 1;
703
704 if (szHint.win_gravity == NorthEastGravity)
705 szHint.win_gravity = SouthEastGravity;
706 else
707 szHint.win_gravity = SouthWestGravity;
708 }
709 }
710 }
711
712 /* TODO: BOUNDS */
713 width = ncol * fwidth;
714 height = nrow * fheight;
715 max_width = MAX_COLS * fwidth;
716 max_height = MAX_ROWS * fheight;
717
718 szHint.base_width = szHint.base_height = 2 * int_bwidth;
719
720 sb_w = 0;
721 window_vt_x = window_vt_y = int_bwidth;
722
723 if (scrollBar.state)
724 {
725 sb_w = scrollbar_TotalWidth ();
726 szHint.base_width += sb_w;
727
728 if (!option (Opt_scrollBar_right))
729 window_vt_x += sb_w;
730 }
731
732 szHint.width_inc = fwidth;
733 szHint.height_inc = fheight;
734 szHint.min_width = szHint.base_width + szHint.width_inc;
735 szHint.min_height = szHint.base_height + szHint.height_inc;
736
737 if (newwidth && newwidth - szHint.base_width < max_width)
738 {
739 szHint.width = newwidth;
740 width = newwidth - szHint.base_width;
741 }
742 else
743 {
744 min_it (width, max_width);
745 szHint.width = szHint.base_width + width;
746 }
747
748 if (newheight && newheight - szHint.base_height < max_height)
749 {
750 szHint.height = newheight;
751 height = newheight - szHint.base_height;
752 }
753 else
754 {
755 min_it (height, max_height);
756 szHint.height = szHint.base_height + height;
757 }
758
759 if (scrollBar.state && option (Opt_scrollBar_right))
760 window_sb_x = szHint.width - sb_w;
761
762 if (recalc_x)
763 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
764
765 if (recalc_y)
766 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
767
768 ncol = width / fwidth;
769 nrow = height / fheight;
770 }
771
772 /*----------------------------------------------------------------------*/
773 /*
774 * Tell the teletype handler what size the window is.
775 * Called after a window size change.
776 */
777 void
778 rxvt_term::tt_winch ()
779 {
780 if (pty->pty < 0)
781 return;
782
783 struct winsize ws;
784
785 ws.ws_col = ncol;
786 ws.ws_row = nrow;
787 ws.ws_xpixel = width;
788 ws.ws_ypixel = height;
789 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
790
791 #if 0
792 // TIOCSWINSZ is supposed to do this automatically and correctly
793 if (cmd_pid) /* force through to the command */
794 kill (-cmd_pid, SIGWINCH);
795 #endif
796 }
797
798 /*----------------------------------------------------------------------*/
799 /* set_fonts () - load and set the various fonts
800 *
801 * init = 1 - initialize
802 *
803 * fontname == FONT_UP - switch to bigger font
804 * fontname == FONT_DN - switch to smaller font
805 */
806 bool
807 rxvt_term::set_fonts ()
808 {
809 rxvt_fontset *fs = new rxvt_fontset (this);
810 rxvt_fontprop prop;
811
812 if (!fs
813 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
814 || !fs->realize_font (1))
815 {
816 delete fs;
817 return false;
818 }
819
820 #if ENABLE_STYLES
821 for (int i = RS_styleCount; --i; )
822 if (fontset[i] != fontset[0])
823 delete fontset[i];
824 #endif
825
826 delete fontset[0];
827 fontset[0] = fs;
828
829 prop = (*fs)[1]->properties ();
830 prop.height += lineSpace;
831
832 fs->set_prop (prop, false);
833
834 fwidth = prop.width;
835 fheight = prop.height;
836 fbase = prop.ascent;
837
838 for (int style = 1; style < 4; style++)
839 {
840 #if ENABLE_STYLES
841 const char *res = rs[Rs_font + style];
842
843 if (res && !*res)
844 fontset[style] = fontset[0];
845 else
846 {
847 fontset[style] = fs = new rxvt_fontset (this);
848 rxvt_fontprop prop2 = prop;
849
850 if (res)
851 {
852 fs->populate (res);
853 fs->set_prop (prop2, false);
854 }
855 else
856 {
857 fs->populate (fontset[0]->fontdesc);
858
859 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
860 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
861
862 fs->set_prop (prop2, true);
863 }
864
865 }
866 #else
867 fontset[style] = fontset[0];
868 #endif
869 }
870
871 if (parent[0])
872 {
873 resize_all_windows (0, 0, 0);
874 scr_remap_chars ();
875 scr_touch (true);
876 }
877
878 return true;
879 }
880
881 void
882 rxvt_term::set_string_property (Atom prop, const char *str, int len)
883 {
884 XChangeProperty (dpy, parent[0],
885 prop, XA_STRING, 8, PropModeReplace,
886 (const unsigned char *)str, len >= 0 ? len : strlen (str));
887 }
888
889 void
890 rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
891 {
892 wchar_t *ws = rxvt_mbstowcs (str, len);
893 char *s = rxvt_wcstoutf8 (ws);
894
895 XChangeProperty (dpy, parent[0],
896 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
897 (const unsigned char *)s, strlen (s));
898
899 free (s);
900 free (ws);
901 }
902
903 /*----------------------------------------------------------------------*/
904 /*----------------------------------------------------------------------*/
905 /* xterm sequences - title, iconName, color (exptl) */
906 void
907 rxvt_term::set_title (const char *str)
908 {
909 set_string_property (XA_WM_NAME, str);
910 #if ENABLE_EWMH
911 set_utf8_property (xa[XA_NET_WM_NAME], str);
912 #endif
913 }
914
915 void
916 rxvt_term::set_icon_name (const char *str)
917 {
918 set_string_property (XA_WM_ICON_NAME, str);
919 #if ENABLE_EWMH
920 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
921 #endif
922 }
923
924 void
925 rxvt_term::set_window_color (int idx, const char *color)
926 {
927 #ifdef XTERM_COLOR_CHANGE
928 rxvt_color xcol;
929 int i;
930
931 if (color == NULL || *color == '\0')
932 return;
933
934 color = strdup (color);
935 allocated.push_back ((void *)color);
936 rs[Rs_color + idx] = color;
937
938 /* handle color aliases */
939 if (isdigit (*color))
940 {
941 i = atoi (color);
942
943 if (i >= 8 && i <= 15)
944 {
945 /* bright colors */
946 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
947 goto done;
948 }
949
950 if (i >= 0 && i <= 7)
951 {
952 /* normal colors */
953 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
954 goto done;
955 }
956 }
957
958 set_color (xcol, color);
959
960 /*
961 * FIXME: should free colors here, but no idea how to do it so instead,
962 * so just keep gobbling up the colormap
963 */
964
965 pix_colors_focused[idx] = xcol;
966
967 done:
968 /*TODO: handle Color_BD, scrollbar background, etc. */
969
970 update_fade_color (idx);
971 recolour_cursor ();
972 scr_recolour ();
973 #endif /* XTERM_COLOR_CHANGE */
974 }
975
976 void
977 rxvt_term::recolour_cursor ()
978 {
979 XColor fg, bg;
980
981 (ISSET_PIXCOLOR (Color_pointer_fg)
982 ? pix_colors_focused[Color_pointer_fg]
983 : pix_colors_focused[Color_fg]).get (fg);
984
985 (ISSET_PIXCOLOR (Color_pointer_bg)
986 ? pix_colors_focused[Color_pointer_bg]
987 : pix_colors_focused[Color_bg]).get (bg);
988
989 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
990 }
991
992 /*----------------------------------------------------------------------*/
993 /*
994 * find if fg/bg matches any of the normal (low-intensity) colors
995 */
996 void
997 rxvt_term::set_colorfgbg ()
998 {
999 unsigned int i;
1000 const char *xpmb = "";
1001 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
1002
1003 strcpy (fstr, "default");
1004 strcpy (bstr, "default");
1005 for (i = Color_Black; i <= Color_White; i++)
1006 if (pix_colors[Color_fg] == pix_colors[i])
1007 {
1008 sprintf (fstr, "%d", (i - Color_Black));
1009 break;
1010 }
1011
1012 for (i = Color_Black; i <= Color_White; i++)
1013 if (pix_colors[Color_bg] == pix_colors[i])
1014 {
1015 sprintf (bstr, "%d", (i - Color_Black));
1016 #ifdef BG_IMAGE_FROM_FILE
1017 xpmb = "default;";
1018 #endif
1019 break;
1020 }
1021
1022 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1023 }
1024
1025 /*----------------------------------------------------------------------*/
1026
1027 bool
1028 rxvt_term::set_color (rxvt_color &color, const char *name)
1029 {
1030 if (color.set (this, name))
1031 return true;
1032
1033 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1034 return false;
1035 }
1036
1037 void
1038 rxvt_term::alias_color (int dst, int src)
1039 {
1040 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1041 }
1042
1043 /* -------------------------------------------------------------------- *
1044 * - WINDOW RESIZING - *
1045 * -------------------------------------------------------------------- */
1046 void
1047 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1048 {
1049 int fix_screen;
1050 int old_width = szHint.width;
1051 int old_height = szHint.height;
1052
1053 window_calc (newwidth, newheight);
1054
1055 if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
1056 XSetWMNormalHints (dpy, parent[0], &szHint);
1057
1058 if (!ignoreparent)
1059 {
1060 #ifdef SMART_RESIZE
1061 /*
1062 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1063 * reposition window on resize depending on placement on screen
1064 */
1065 int x, y, x1, y1;
1066 int dx, dy;
1067 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1068 Window unused_cr;
1069
1070 XTranslateCoordinates (dpy, parent[0], display->root,
1071 0, 0, &x, &y, &unused_cr);
1072 XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
1073 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1074 /*
1075 * if display->root isn't the parent window, a WM will probably have offset
1076 * our position for handles and decorations. Counter it
1077 */
1078 if (x1 != x || y1 != y)
1079 {
1080 x -= x1;
1081 y -= y1;
1082 }
1083
1084 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1085 y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1086 dx = old_width - szHint.width;
1087 dy = old_height - szHint.height;
1088
1089 /* Check position of the center of the window */
1090 if (x < x1) /* left half */
1091 dx = 0;
1092 else if (x == x1) /* exact center */
1093 dx /= 2;
1094 if (y < y1) /* top half */
1095 dy = 0;
1096 else if (y == y1) /* exact center */
1097 dy /= 2;
1098
1099 XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
1100 szHint.width, szHint.height);
1101 #else
1102 XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
1103 #endif
1104 }
1105
1106 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1107
1108 if (fix_screen || newwidth != old_width || newheight != old_height)
1109 {
1110 if (scrollBar.state)
1111 {
1112 XMoveResizeWindow (dpy, scrollBar.win,
1113 window_sb_x, 0,
1114 scrollbar_TotalWidth (), szHint.height);
1115 resize_scrollbar ();
1116 }
1117
1118 XMoveResizeWindow (dpy, vt,
1119 window_vt_x, window_vt_y,
1120 width, height);
1121
1122 #ifdef HAVE_BG_PIXMAP
1123 if (bgPixmap.window_size_sensitive ())
1124 update_background ();
1125 #endif
1126
1127 scr_clear ();
1128 }
1129
1130 if (fix_screen || old_height == 0)
1131 scr_reset ();
1132
1133 // TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
1134 //scr_touch (false);
1135
1136 #ifdef HAVE_BG_PIXMAP
1137 // TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
1138 // if (bgPixmap.pixmap)
1139 // scr_touch (false);
1140 #endif
1141
1142 #ifdef USE_XIM
1143 IMSetPosition ();
1144 #endif
1145 }
1146
1147 /*
1148 * Set the width/height of the vt window in characters. Units are pixels.
1149 * good for toggling 80/132 columns
1150 */
1151 void
1152 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1153 {
1154 XWindowAttributes wattr;
1155
1156 if (newwidth == 0 || newheight == 0)
1157 {
1158 XGetWindowAttributes (dpy, display->root, &wattr);
1159
1160 if (newwidth == 0)
1161 newwidth = wattr.width - szHint.base_width;
1162 if (newheight == 0)
1163 newheight = wattr.height - szHint.base_height;
1164 }
1165
1166 if (newwidth != width || newheight != height)
1167 {
1168 newwidth += szHint.base_width;
1169 newheight += szHint.base_height;
1170 resize_all_windows (newwidth, newheight, 0);
1171 }
1172 }
1173
1174 /* -------------------------------------------------------------------- *
1175 * - X INPUT METHOD ROUTINES - *
1176 * -------------------------------------------------------------------- */
1177 #ifdef USE_XIM
1178
1179 void
1180 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1181 {
1182 fg = pix_colors [Color_fg];
1183 bg = pix_colors [Color_bg];
1184 }
1185
1186 void
1187 rxvt_term::im_set_size (XRectangle &size)
1188 {
1189 // the int_bwidth terms make no sense to me
1190 size.x = int_bwidth;
1191 size.y = int_bwidth;
1192 size.width = Width2Pixel (ncol) + int_bwidth;
1193 size.height = Height2Pixel (nrow) + int_bwidth;
1194 }
1195
1196 void
1197 rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1198 XRectangle &status_rect,
1199 const XRectangle &needed_rect)
1200 {
1201 preedit_rect.x = needed_rect.width;
1202 preedit_rect.y = 0;
1203 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1204 preedit_rect.height = fheight;
1205
1206 status_rect.x = 0;
1207 status_rect.y = 0;
1208 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1209 status_rect.height = fheight;
1210 }
1211
1212 /* Checking whether input method is running. */
1213 bool
1214 rxvt_term::IMisRunning ()
1215 {
1216 char *p;
1217 Atom atom;
1218 Window win;
1219 char server[IMBUFSIZ];
1220
1221 /* get current locale modifier */
1222 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1223 {
1224 strcpy (server, "@server=");
1225 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1226
1227 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1228 *p = '\0';
1229
1230 atom = XInternAtom (dpy, server, False);
1231 win = XGetSelectionOwner (dpy, atom);
1232
1233 if (win != None)
1234 return True;
1235 }
1236
1237 return False;
1238 }
1239
1240 void
1241 rxvt_term::IMSendSpot ()
1242 {
1243 XPoint nspot;
1244 XVaNestedList preedit_attr;
1245
1246 if (!Input_Context
1247 || !focus
1248 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1249 return;
1250
1251 im_set_position (nspot);
1252
1253 if (nspot.x == spot.x && nspot.y == spot.y)
1254 return;
1255
1256 spot = nspot;
1257
1258 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1259 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1260 XFree (preedit_attr);
1261 }
1262
1263 void
1264 rxvt_term::im_destroy ()
1265 {
1266 if (input_method)
1267 {
1268 if (Input_Context && input_method->xim)
1269 XDestroyIC (Input_Context);
1270
1271 display->put_xim (input_method);
1272 input_method = 0;
1273 }
1274
1275 Input_Context = 0;
1276 }
1277
1278 #ifdef ENABLE_XIM_ONTHESPOT
1279
1280 static void
1281 xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1282 {
1283 ((rxvt_term *)client_data)->make_current ();
1284 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1285 }
1286
1287 static void
1288 xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1289 {
1290 ((rxvt_term *)client_data)->make_current ();
1291 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1292 }
1293
1294 static void
1295 xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1296 {
1297 rxvt_term *term = (rxvt_term *)client_data;
1298 XIMText *text = call_data->text;
1299
1300 term->make_current ();
1301
1302 if (text)
1303 {
1304 void *str;
1305
1306 if (!text->encoding_is_wchar && text->string.multi_byte)
1307 {
1308 // of course, X makes it ugly again
1309 if (term->rs[Rs_imLocale])
1310 SET_LOCALE (term->rs[Rs_imLocale]);
1311
1312 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1313 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1314
1315 if (term->rs[Rs_imLocale])
1316 SET_LOCALE (term->locale);
1317 }
1318 else
1319 str = (void *)text->string.wide_char;
1320
1321 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1322 DT_INT, call_data->caret,
1323 DT_INT, call_data->chg_first,
1324 DT_INT, call_data->chg_length,
1325 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1326 DT_WCS_LEN, str, str ? (int)text->length : 0,
1327 DT_END));
1328 }
1329 else
1330 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1331 DT_INT, call_data->caret,
1332 DT_INT, call_data->chg_first,
1333 DT_INT, call_data->chg_length,
1334 DT_END));
1335 }
1336
1337 #if 0
1338 static void
1339 xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1340 {
1341 ((rxvt_term *)client_data)->make_current ();
1342 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1343 DT_INT, call_data->position,
1344 DT_INT, call_data->direction,
1345 DT_INT, call_data->style,
1346 DT_END));
1347 }
1348 #endif
1349
1350 #endif
1351
1352 /*
1353 * Try to open a XIM with the current modifiers, then see if we can
1354 * open a suitable preedit type
1355 */
1356 bool
1357 rxvt_term::IM_get_IC (const char *modifiers)
1358 {
1359 int i, j, found;
1360 XIM xim;
1361 XPoint spot;
1362 XRectangle rect, status_rect, needed_rect;
1363 unsigned long fg, bg;
1364 const char *p;
1365 char **s;
1366 XIMStyles *xim_styles;
1367 #ifdef ENABLE_XIM_ONTHESPOT
1368 XIMCallback xcb[4];
1369 #endif
1370
1371 set_environ (envv);
1372
1373 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1374 return false;
1375
1376 input_method = display->get_xim (locale, modifiers);
1377 if (input_method == NULL)
1378 return false;
1379
1380 xim = input_method->xim;
1381 spot.x = spot.y = -1;
1382
1383 xim_styles = NULL;
1384 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1385 || !xim_styles || !xim_styles->count_styles)
1386 {
1387 im_destroy ();
1388 return false;
1389 }
1390
1391 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1392
1393 for (int pi = 0; pi < 2; pi++)
1394 {
1395 p = pet[pi];
1396
1397 if (!p)
1398 continue;
1399
1400 s = rxvt_splitcommastring (p);
1401
1402 for (i = found = 0; !found && s[i]; i++)
1403 {
1404 if (!strcmp (s[i], "OverTheSpot"))
1405 input_style = XIMPreeditPosition | XIMStatusNothing;
1406 else if (!strcmp (s[i], "OffTheSpot"))
1407 input_style = XIMPreeditArea | XIMStatusArea;
1408 else if (!strcmp (s[i], "Root"))
1409 input_style = XIMPreeditNothing | XIMStatusNothing;
1410 else if (!strcmp (s[i], "None"))
1411 input_style = XIMPreeditNone | XIMStatusNone;
1412 #ifdef ENABLE_XIM_ONTHESPOT
1413 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1414 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1415 #endif
1416 else
1417 input_style = XIMPreeditNothing | XIMStatusNothing;
1418
1419 for (j = 0; j < xim_styles->count_styles; j++)
1420 if (input_style == xim_styles->supported_styles[j])
1421 {
1422 rxvt_freecommastring (s);
1423
1424 found = 1;
1425 goto foundpet;
1426 }
1427
1428 }
1429
1430 rxvt_freecommastring (s);
1431 }
1432
1433 foundpet:
1434
1435 XFree (xim_styles);
1436
1437 if (!found)
1438 {
1439 im_destroy ();
1440 return false;
1441 }
1442
1443 XFontSet fs = 0;
1444 XVaNestedList preedit_attr = 0, status_attr = 0;
1445
1446 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1447 {
1448 // fake us a font-set, please
1449 char **missing_charset_list;
1450 int missing_charset_count;
1451 char *def_string;
1452 char pat[512];
1453
1454 sprintf (pat,
1455 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1456 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1457 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1458 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1459 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1460 "*",
1461 fheight,
1462 fheight + 1, fheight - 1,
1463 fheight - 2, fheight + 2);
1464
1465 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1466 &missing_charset_list, &missing_charset_count, &def_string);
1467
1468 if (missing_charset_list)
1469 XFreeStringList (missing_charset_list);
1470
1471 if (!fs)
1472 {
1473 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1474 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1475 }
1476 }
1477
1478 if (input_style & XIMPreeditPosition)
1479 {
1480 im_set_size (rect);
1481 im_set_position (spot);
1482 im_set_color (fg, bg);
1483
1484 preedit_attr = XVaCreateNestedList (0,
1485 XNForeground, fg,
1486 XNBackground, bg,
1487 XNArea, &rect,
1488 XNSpotLocation, &spot,
1489 XNFontSet, fs,
1490 NULL);
1491 }
1492 else if (input_style & XIMPreeditArea)
1493 {
1494 im_set_color (fg, bg);
1495
1496 /*
1497 * The necessary width of preedit area is unknown
1498 * until create input context.
1499 */
1500 needed_rect.width = 0;
1501 im_set_preedit_area (rect, status_rect, needed_rect);
1502
1503 preedit_attr = XVaCreateNestedList (0,
1504 XNForeground, fg,
1505 XNBackground, bg,
1506 XNArea, &rect,
1507 XNFontSet, fs,
1508 NULL);
1509 status_attr = XVaCreateNestedList (0,
1510 XNForeground, fg,
1511 XNBackground, bg,
1512 XNArea, &status_rect,
1513 XNFontSet, fs,
1514 NULL);
1515 }
1516 #if ENABLE_XIM_ONTHESPOT
1517 else if (input_style & XIMPreeditCallbacks)
1518 {
1519 im_set_position (spot);
1520
1521 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1522 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1523 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1524 # if 0
1525 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1526 # endif
1527
1528 preedit_attr = XVaCreateNestedList (0,
1529 XNSpotLocation, &spot,
1530 XNPreeditStartCallback, &xcb[0],
1531 XNPreeditDoneCallback , &xcb[1],
1532 XNPreeditDrawCallback , &xcb[2],
1533 # if 0
1534 XNPreeditCaretCallback, &xcb[3],
1535 # endif
1536 NULL);
1537 }
1538 #endif
1539
1540 Input_Context = XCreateIC (xim,
1541 XNInputStyle, input_style,
1542 XNClientWindow, vt,
1543 XNFocusWindow, parent[0],
1544 preedit_attr ? XNPreeditAttributes : NULL,
1545 preedit_attr,
1546 status_attr ? XNStatusAttributes : NULL,
1547 status_attr, NULL);
1548
1549 if (preedit_attr) XFree (preedit_attr);
1550 if (status_attr) XFree (status_attr);
1551 if (fs) XFreeFontSet (dpy, fs);
1552
1553 if (Input_Context == NULL)
1554 {
1555 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1556 im_destroy ();
1557 return false;
1558 }
1559
1560 #if 0
1561 // unfortunately, only the focus window is used by XIM, hard to fix
1562 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1563 vt_select_input ();
1564 #endif
1565
1566 IMSetPosition ();
1567
1568 return true;
1569 }
1570
1571 void
1572 rxvt_term::im_cb ()
1573 {
1574 int i;
1575 const char *p;
1576 char **s;
1577 char buf[IMBUFSIZ];
1578
1579 make_current ();
1580
1581 im_destroy ();
1582
1583 if (Input_Context)
1584 return;
1585
1586 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1587 if (rs[Rs_imLocale])
1588 SET_LOCALE (rs[Rs_imLocale]);
1589 #endif
1590
1591 p = rs[Rs_inputMethod];
1592 if (p && *p)
1593 {
1594 bool found = false;
1595
1596 s = rxvt_splitcommastring (p);
1597
1598 for (i = 0; s[i]; i++)
1599 {
1600 if (*s[i])
1601 {
1602 strcpy (buf, "@im=");
1603 strncat (buf, s[i], IMBUFSIZ - 5);
1604 if (IM_get_IC (buf))
1605 {
1606 found = true;
1607 break;
1608 }
1609 }
1610 }
1611
1612 rxvt_freecommastring (s);
1613
1614 if (found)
1615 goto done;
1616 }
1617
1618 /* try with XMODIFIERS env. var. */
1619 if (IM_get_IC (""))
1620 goto done;
1621
1622 /* try with no modifiers base IF the user didn't specify an IM */
1623 if (IM_get_IC ("@im=none"))
1624 goto done;
1625
1626 done:
1627 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1628 if (rs[Rs_imLocale])
1629 SET_LOCALE (locale);
1630 #endif
1631 }
1632
1633 void
1634 rxvt_term::IMSetPosition ()
1635 {
1636 XRectangle preedit_rect, status_rect, *needed_rect;
1637 XVaNestedList preedit_attr, status_attr;
1638
1639 if (!Input_Context
1640 || !focus
1641 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1642 || !IMisRunning ())
1643 return;
1644
1645 if (input_style & XIMPreeditPosition)
1646 {
1647 im_set_size (preedit_rect);
1648 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1649
1650 XSetICValues (Input_Context,
1651 XNPreeditAttributes, preedit_attr, NULL);
1652 }
1653 else
1654 {
1655 /* Getting the necessary width of preedit area */
1656 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1657 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1658 XFree (status_attr);
1659
1660 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1661 XFree (needed_rect);
1662
1663 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1664 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1665
1666 XSetICValues (Input_Context,
1667 XNPreeditAttributes, preedit_attr,
1668 XNStatusAttributes, status_attr,
1669 NULL);
1670
1671 XFree (status_attr);
1672 }
1673
1674 XFree (preedit_attr);
1675 }
1676 #endif /* USE_XIM */
1677
1678 void
1679 rxvt_term::get_window_origin (int &x, int &y)
1680 {
1681 Window cr;
1682 XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
1683 /* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
1684 }
1685
1686 Pixmap
1687 rxvt_term::get_pixmap_property (int prop_id)
1688 {
1689 if (prop_id > 0 && prop_id < NUM_XA)
1690 if (xa[prop_id])
1691 {
1692 int aformat;
1693 unsigned long nitems, bytes_after;
1694 Atom atype;
1695 unsigned char *prop = NULL;
1696 int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
1697 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1698 &nitems, &bytes_after, &prop);
1699 if (result == Success && prop && atype == XA_PIXMAP)
1700 return *(Pixmap *)prop;
1701 }
1702
1703 return None;
1704 }
1705
1706 #ifdef HAVE_BG_PIXMAP
1707 # if TRACE_PIXMAPS
1708 # undef update_background
1709 void
1710 rxvt_term::trace_update_background (const char *file, int line)
1711 {
1712 fprintf (stderr, "%s:%d:update_background()\n", file, line);
1713 update_background ();
1714 }
1715 # endif
1716
1717 void
1718 rxvt_term::update_background ()
1719 {
1720 if (update_background_ev.is_active ())
1721 return;
1722
1723 bgPixmap.invalidate ();
1724
1725 ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
1726
1727 if (to_wait <= 0.)
1728 bgPixmap.render ();
1729 else
1730 update_background_ev.start (to_wait);
1731 }
1732
1733 void
1734 rxvt_term::update_background_cb (ev::timer &w, int revents)
1735 {
1736 make_current ();
1737
1738 update_background_ev.stop ();
1739 bgPixmap.render ();
1740 refresh_check ();
1741 }
1742
1743 #endif /* HAVE_BG_PIXMAP */
1744
1745 /*----------------------- end-of-file (C source) -----------------------*/