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Revision: 1.108
Committed: Wed Aug 25 05:03:33 2004 UTC (19 years, 9 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-3_8
Changes since 1.94: +81 -70 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 /*--------------------------------*-C-*---------------------------------*
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) 2003-2004 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 "main.intpro" /* PROTOS for internal routines */
36
37 #include <signal.h>
38
39 #ifdef TTY_GID_SUPPORT
40 # include <grp.h>
41 #endif
42
43 #ifdef HAVE_TERMIOS_H
44 # include <termios.h>
45 #endif
46
47 #include <cstring>
48
49 vector<rxvt_term *> rxvt_term::termlist;
50
51 static char curlocale[128];
52
53 bool
54 rxvt_set_locale (const char *locale)
55 {
56 if (!locale || !strncmp (locale, curlocale, 128))
57 return false;
58
59 strncpy (curlocale, locale, 128);
60 setlocale (LC_CTYPE, curlocale);
61 return true;
62 }
63
64 #if ENABLE_COMBINING
65 class rxvt_composite_vec rxvt_composite;
66
67 text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
68 {
69 compose_char *cc;
70
71 // break compose chains, as stupid readline really likes to duplicate
72 // composing characters for some reason near the end of a line.
73 cc = (*this)[c1];
74 while (cc)
75 {
76 if (cc->c2 == c2) return c1;
77 cc = (*this)[cc->c1];
78 }
79
80 // check to see wether this combination already exists otherwise
81 for (cc = v.end (); cc-- > v.begin (); )
82 {
83 if (cc->c1 == c1 && cc->c2 == c2)
84 return COMPOSE_LO + (cc - v.begin ());
85 }
86
87 // allocate a new combination
88 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
89 {
90 static int seen;
91
92 if (!seen++)
93 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
94
95 return REPLACEMENT_CHAR;
96 }
97
98 v.push_back (compose_char (c1, c2));
99
100 return v.size () - 1 + COMPOSE_LO;
101 }
102
103 int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
104 {
105 compose_char *cc = (*this)[c];
106
107 if (!cc)
108 {
109 if (r) *r = c;
110 return 1;
111 }
112
113 int len = expand (cc->c1, r);
114
115 if (r) r += len;
116
117 if (cc->c2 != NOCHAR)
118 {
119 len++;
120 if (r) *r++ = cc->c2;
121 }
122
123 return len;
124
125 }
126 #endif
127
128 rxvt_term::rxvt_term ()
129 :
130 #if TRANSPARENT
131 rootwin_ev (this, &rxvt_term::rootwin_cb),
132 #endif
133 #ifdef HAVE_SCROLLBARS
134 scrollbar_ev (this, &rxvt_term::x_cb),
135 #endif
136 #ifdef MENUBAR
137 menubar_ev (this, &rxvt_term::x_cb),
138 #endif
139 #ifdef CURSOR_BLINK
140 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
141 #endif
142 #ifdef TEXT_BLINK
143 text_blink_ev (this, &rxvt_term::text_blink_cb),
144 #endif
145 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
146 cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
147 #endif
148 #ifdef SELECTION_SCROLLING
149 sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
150 #endif
151 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
152 slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
153 #endif
154 #ifdef POINTER_BLANK
155 pointer_ev (this, &rxvt_term::pointer_cb),
156 #endif
157 #ifdef USE_XIM
158 im_ev (this, &rxvt_term::im_cb),
159 #endif
160 termwin_ev (this, &rxvt_term::x_cb),
161 vt_ev (this, &rxvt_term::x_cb),
162 check_ev (this, &rxvt_term::check_cb),
163 flush_ev (this, &rxvt_term::flush_cb),
164 destroy_ev (this, &rxvt_term::destroy_cb),
165 pty_ev (this, &rxvt_term::pty_cb),
166 incr_ev (this, &rxvt_term::incr_cb)
167 {
168 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
169
170 termlist.push_back (this);
171 }
172
173 rxvt_term::~rxvt_term ()
174 {
175 termlist.erase (find (termlist.begin (), termlist.end(), this));
176
177 if (cmd_pid)
178 kill (-cmd_pid, SIGHUP);
179
180 pty.put ();
181
182 #ifdef UTMP_SUPPORT
183 privileged_utmp (RESTORE);
184 #endif
185
186 #if ENABLE_STYLES
187 for (int i = RS_styleCount; --i; )
188 if (TermWin.fontset[i] != TermWin.fontset[0])
189 delete TermWin.fontset[i];
190 #endif
191 delete TermWin.fontset[0];
192
193 if (display)
194 {
195 selection_clear ();
196
197 #ifdef USE_XIM
198 im_destroy ();
199 #endif
200 #ifdef MENUBAR
201 if (menubarGC) XFreeGC (display->display, menubarGC);
202 #endif
203 #ifdef XTERM_SCROLLBAR
204 if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC);
205 if (ShadowGC) XFreeGC (display->display, ShadowGC);
206 #endif
207 #ifdef PLAIN_SCROLLBAR
208 if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC);
209 #endif
210 #ifdef NEXT_SCROLLBAR
211 if (blackGC) XFreeGC (display->display, blackGC);
212 if (whiteGC) XFreeGC (display->display, whiteGC);
213 if (grayGC) XFreeGC (display->display, grayGC);
214 if (darkGC) XFreeGC (display->display, darkGC);
215 if (stippleGC) XFreeGC (display->display, stippleGC);
216 if (dimple) XFreePixmap (display->display, dimple);
217 if (upArrow) XFreePixmap (display->display, upArrow);
218 if (downArrow) XFreePixmap (display->display, downArrow);
219 if (upArrowHi) XFreePixmap (display->display, upArrowHi);
220 if (downArrowHi) XFreePixmap (display->display, downArrowHi);
221 #endif
222 #if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
223 if (topShadowGC) XFreeGC (display->display, topShadowGC);
224 if (botShadowGC) XFreeGC (display->display, botShadowGC);
225 if (scrollbarGC) XFreeGC (display->display, scrollbarGC);
226 #endif
227 if (TermWin.gc) XFreeGC (display->display, TermWin.gc);
228
229 #if defined(MENUBAR) && (MENUBAR_MAX > 1)
230 delete menuBar.drawable;
231 //if (menuBar.win)
232 // XDestroyWindow (display->display, menuBar.win);
233 #endif
234 delete TermWin.drawable;
235 // destroy all windows
236 if (TermWin.parent[0])
237 XDestroyWindow (display->display, TermWin.parent[0]);
238 }
239
240 // TODO: free pixcolours, colours should become part of rxvt_display
241
242 delete pix_colors_focused;
243 #ifdef OFF_FOCUS_FADING
244 delete pix_colors_unfocused;
245 #endif
246
247 displays.put (display);
248
249 scr_release ();
250
251 /* clear all resources */
252 for (int i = 0; i < allocated.size (); i++)
253 free (allocated[i]);
254
255 free (selection.text);
256 // TODO: manage env vars in child only(!)
257 free (env_windowid);
258 free (env_display);
259 free (env_term);
260 free (env_colorfgbg);
261 free (locale);
262 #if 0
263 free (codeset);
264 #endif
265
266 delete envv;
267 delete argv;
268 }
269
270 void
271 rxvt_term::destroy ()
272 {
273 if (destroy_ev.active)
274 return;
275
276 #if ENABLE_OVERLAY
277 scr_overlay_off ();
278 #endif
279
280 if (display)
281 {
282 #if USE_XIM
283 im_ev.stop (display);
284 #endif
285 #if HAVE_SCROLLBARS
286 scrollbar_ev.stop (display);
287 #endif
288 #if MENUBAR
289 menubar_ev.stop (display);
290 #endif
291 #if TRANSPARENT
292 rootwin_ev.stop (display);
293 #endif
294 incr_ev.stop ();
295 termwin_ev.stop (display);
296 vt_ev.stop (display);
297 }
298
299 check_ev.stop ();
300 pty_ev.stop ();
301 #ifdef CURSOR_BLINK
302 cursor_blink_ev.stop ();
303 #endif
304 #ifdef TEXT_BLINK
305 text_blink_ev.stop ();
306 #endif
307 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
308 cont_scroll_ev.stop ();
309 #endif
310 #ifdef SELECTION_SCROLLING
311 sel_scroll_ev.stop ();
312 #endif
313 #ifdef POINTER_BLANK
314 pointer_ev.stop ();
315 #endif
316
317 destroy_ev.start (0);
318 }
319
320 void
321 rxvt_term::destroy_cb (time_watcher &w)
322 {
323 SET_R (this);
324
325 delete this;
326 }
327
328 /*----------------------------------------------------------------------*/
329 /* rxvt_init () */
330 bool
331 rxvt_term::init (int argc, const char *const *argv)
332 {
333 SET_R (this);
334
335 if (!init_vars ())
336 return false;
337
338 init_secondary ();
339
340 const char **cmd_argv = init_resources (argc, argv);
341
342 set_locale ("");
343
344 #if MENUBAR_MAX
345 menubar_read (rs[Rs_menu]);
346 #endif
347 #ifdef HAVE_SCROLLBARS
348 if (options & Opt_scrollBar)
349 scrollBar.setIdle (); /* set existence for size calculations */
350 #endif
351
352 create_windows (argc, argv);
353
354 init_xlocale ();
355
356 scr_reset (); /* initialize screen */
357
358 #if 0
359 XSynchronize (display->display, True);
360 #endif
361
362 #ifdef HAVE_SCROLLBARS
363 if (options & Opt_scrollBar)
364 resize_scrollbar (); /* create and map scrollbar */
365 #endif
366 #if (MENUBAR_MAX)
367 if (menubar_visible ())
368 XMapWindow (display->display, menuBar.win);
369 #endif
370 #ifdef TRANSPARENT
371 if (options & Opt_transparent)
372 {
373 XSelectInput (display->display, display->root, PropertyChangeMask);
374 check_our_parents ();
375 rootwin_ev.start (display, display->root);
376 }
377 #endif
378
379 XMapWindow (display->display, TermWin.vt);
380 XMapWindow (display->display, TermWin.parent[0]);
381
382 set_colorfgbg ();
383
384 init_command (cmd_argv);
385
386 pty_ev.start (pty.pty, EVENT_READ);
387
388 check_ev.start ();
389
390 return true;
391 }
392
393 static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
394
395 void
396 rxvt_init ()
397 {
398 /* install exit handler for cleanup */
399 #if 0
400 #ifdef HAVE_ATEXIT
401 atexit (rxvt_clean_exit);
402 #else
403 #endif
404 #endif
405 /*
406 * Save and then give up any super-user privileges
407 * If we need privileges in any area then we must specifically request it.
408 * We should only need to be root in these cases:
409 * 1. write utmp entries on some systems
410 * 2. chown tty on some systems
411 */
412 rxvt_privileges (SAVE);
413 rxvt_privileges (IGNORE);
414
415 struct sigaction sa;
416
417 sigfillset (&sa.sa_mask);
418 sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
419 sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
420 sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
421 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
422 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
423 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
424 sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
425
426 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
427 /* signal (SIGURG, SIG_DFL); */
428
429 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
430 //XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
431 }
432
433 /* ------------------------------------------------------------------------- *
434 * SIGNAL HANDLING & EXIT HANDLER *
435 * ------------------------------------------------------------------------- */
436 /*
437 * Catch a SIGCHLD signal and exit if the direct child has died
438 */
439
440 void rxvt_term::child_exited (int pid)
441 {
442 for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
443 if (pid == (*t)->cmd_pid)
444 {
445 (*t)->destroy ();
446 break;
447 }
448 }
449
450 /* ARGSUSED */
451 /* INTPROTO */
452 RETSIGTYPE
453 rxvt_Child_signal (int sig __attribute__ ((unused)))
454 {
455 int pid, save_errno = errno;
456
457 while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
458 rxvt_term::child_exited (pid);
459
460 errno = save_errno;
461 }
462
463 /*
464 * Catch a fatal signal and tidy up before quitting
465 */
466 /* INTPROTO */
467 RETSIGTYPE
468 rxvt_Exit_signal (int sig)
469 {
470 signal (sig, SIG_DFL);
471 #ifdef DEBUG_CMD
472 rxvt_warn ("caught signal %d, exiting.\n", sig);
473 #endif
474 rxvt_clean_exit ();
475 kill (getpid (), sig);
476 }
477
478 /* INTPROTO */
479 int
480 rxvt_xerror_handler (Display *display, XErrorEvent *event)
481 {
482 if (GET_R->allowedxerror == -1)
483 GET_R->allowedxerror = event->error_code;
484 else
485 {
486 old_xerror_handler (display, event);
487 GET_R->destroy ();
488 }
489
490 return 0;
491 }
492
493 /*----------------------------------------------------------------------*/
494 /*
495 * Exit gracefully, clearing the utmp entry and restoring tty attributes
496 * TODO: if debugging, this should free up any known resources if we can
497 */
498 /* INTPROTO */
499 void
500 rxvt_clean_exit ()
501 {
502 // TODO: rxvtd should clean up all ressources
503 if (GET_R)
504 GET_R->destroy ();
505 }
506
507 /* ------------------------------------------------------------------------- *
508 * MEMORY ALLOCATION WRAPPERS *
509 * ------------------------------------------------------------------------- */
510 /* INTPROTO */
511 void *
512 rxvt_malloc (size_t size)
513 {
514 void *p;
515
516 p = malloc (size);
517 if (p)
518 return p;
519
520 rxvt_fatal ("memory allocation failure. aborting.\n");
521 /* NOTREACHED */
522 }
523
524 /* INTPROTO */
525 void *
526 rxvt_calloc (size_t number, size_t size)
527 {
528 void *p;
529
530 p = calloc (number, size);
531 if (p)
532 return p;
533
534 rxvt_fatal ("memory allocation failure. aborting.\n");
535 /* NOTREACHED */
536 }
537
538 /* INTPROTO */
539 void *
540 rxvt_realloc (void *ptr, size_t size)
541 {
542 void *p;
543
544 if (ptr)
545 p = realloc (ptr, size);
546 else
547 p = malloc (size);
548
549 if (p)
550 return p;
551
552 rxvt_fatal ("memory allocation failure. aborting.\n");
553 /* NOTREACHED */
554 }
555
556 /* ------------------------------------------------------------------------- *
557 * PRIVILEGED OPERATIONS *
558 * ------------------------------------------------------------------------- */
559 /* take care of suid/sgid super-user (root) privileges */
560 void
561 rxvt_privileges (rxvt_privaction action)
562 {
563 #if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
564 static uid_t euid;
565 static gid_t egid;
566 #endif
567
568 #if ! defined(__CYGWIN32__)
569 # if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
570 /* setreuid () is the poor man's setuid (), seteuid () */
571 # define seteuid(a) setreuid(-1, (a))
572 # define setegid(a) setregid(-1, (a))
573 # define HAVE_SETEUID
574 # endif
575 # ifdef HAVE_SETEUID
576 switch (action)
577 {
578 case IGNORE:
579 /*
580 * change effective uid/gid - not real uid/gid - so we can switch
581 * back to root later, as required
582 */
583 seteuid (getuid ());
584 setegid (getgid ());
585 break;
586 case SAVE:
587 euid = geteuid ();
588 egid = getegid ();
589 break;
590 case RESTORE:
591 seteuid (euid);
592 setegid (egid);
593 break;
594 }
595 # else
596 switch (action)
597 {
598 case IGNORE:
599 setuid (getuid ());
600 setgid (getgid ());
601 /* FALLTHROUGH */
602 case SAVE:
603 /* FALLTHROUGH */
604 case RESTORE:
605 break;
606 }
607 # endif
608 #endif
609 }
610
611 #ifdef UTMP_SUPPORT
612 void
613 rxvt_term::privileged_utmp (rxvt_privaction action)
614 {
615 if ((options & Opt_utmpInhibit)
616 || !pty.name || !*pty.name)
617 return;
618
619 rxvt_privileges (RESTORE);
620
621 if (action == SAVE)
622 makeutent (pty.name, rs[Rs_display_name]);
623 else
624 cleanutent ();
625
626 rxvt_privileges (IGNORE);
627 }
628 #endif
629
630 /*----------------------------------------------------------------------*/
631 /*
632 * window size/position calculcations for XSizeHint and other storage.
633 * if width/height are non-zero then override calculated width/height
634 */
635 void
636 rxvt_term::window_calc (unsigned int width, unsigned int height)
637 {
638 short recalc_x, recalc_y;
639 int x, y, sb_w, mb_h, flags;
640 unsigned int w, h;
641 unsigned int max_width, max_height;
642
643 D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
644 TermWin.ncol, TermWin.nrow, szHint.width,
645 szHint.height));
646 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
647 szHint.win_gravity = NorthWestGravity;
648 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
649
650 recalc_x = recalc_y = 0;
651 flags = 0;
652 if (!parsed_geometry)
653 {
654 parsed_geometry = 1;
655 if (rs[Rs_geometry])
656 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
657 if (flags & WidthValue)
658 {
659 TermWin.ncol = BOUND_POSITIVE_INT16 (w);
660 szHint.flags |= USSize;
661 }
662 if (flags & HeightValue)
663 {
664 TermWin.nrow = BOUND_POSITIVE_INT16 (h);
665 szHint.flags |= USSize;
666 }
667 if (flags & XValue)
668 {
669 szHint.x = x;
670 szHint.flags |= USPosition;
671 if (flags & XNegative)
672 {
673 recalc_x = 1;
674 szHint.win_gravity = NorthEastGravity;
675 }
676 }
677 if (flags & YValue)
678 {
679 szHint.y = y;
680 szHint.flags |= USPosition;
681 if (flags & YNegative)
682 {
683 recalc_y = 1;
684 if (szHint.win_gravity == NorthEastGravity)
685 szHint.win_gravity = SouthEastGravity;
686 else
687 szHint.win_gravity = SouthWestGravity;
688 }
689 }
690 }
691
692 /* TODO: BOUNDS */
693 TermWin.width = TermWin.ncol * TermWin.fwidth;
694 TermWin.height = TermWin.nrow * TermWin.fheight;
695 max_width = MAX_COLS * TermWin.fwidth;
696 max_height = MAX_ROWS * TermWin.fheight;
697
698 szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;
699
700 sb_w = mb_h = 0;
701 window_vt_x = window_vt_y = TermWin.int_bwidth;
702
703 if (scrollbar_visible ())
704 {
705 sb_w = scrollbar_TotalWidth ();
706 szHint.base_width += sb_w;
707 if (!(options & Opt_scrollBar_right))
708 window_vt_x += sb_w;
709 }
710
711 if (menubar_visible ())
712 {
713 mb_h = menuBar_TotalHeight ();
714 szHint.base_height += mb_h;
715 window_vt_y += mb_h;
716 }
717
718 szHint.width_inc = TermWin.fwidth;
719 szHint.height_inc = TermWin.fheight;
720 szHint.min_width = szHint.base_width + szHint.width_inc;
721 szHint.min_height = szHint.base_height + szHint.height_inc;
722
723 if (width && width - szHint.base_width < max_width)
724 {
725 szHint.width = width;
726 TermWin.width = width - szHint.base_width;
727 }
728 else
729 {
730 MIN_IT (TermWin.width, max_width);
731 szHint.width = szHint.base_width + TermWin.width;
732 }
733
734 if (height && height - szHint.base_height < max_height)
735 {
736 szHint.height = height;
737 TermWin.height = height - szHint.base_height;
738 }
739 else
740 {
741 MIN_IT (TermWin.height, max_height);
742 szHint.height = szHint.base_height + TermWin.height;
743 }
744
745 if (scrollbar_visible () && (options & Opt_scrollBar_right))
746 window_sb_x = szHint.width - sb_w;
747
748 if (recalc_x)
749 szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))
750 - szHint.width - 2 * TermWin.ext_bwidth);
751 if (recalc_y)
752 szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))
753 - szHint.height - 2 * TermWin.ext_bwidth);
754
755 TermWin.ncol = TermWin.width / TermWin.fwidth;
756 TermWin.nrow = TermWin.height / TermWin.fheight;
757 D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
758 TermWin.ncol, TermWin.nrow, szHint.width,
759 szHint.height));
760 return;
761 }
762
763 /*----------------------------------------------------------------------*/
764 /*
765 * Tell the teletype handler what size the window is.
766 * Called after a window size change.
767 */
768 void
769 rxvt_term::tt_winch ()
770 {
771 if (pty.pty < 0)
772 return;
773
774 struct winsize ws;
775
776 ws.ws_col = TermWin.ncol;
777 ws.ws_row = TermWin.nrow;
778 ws.ws_xpixel = TermWin.width;
779 ws.ws_ypixel = TermWin.height;
780 (void)ioctl (pty.pty, TIOCSWINSZ, &ws);
781
782 #if 0
783 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
784 if (cmd_pid) /* force through to the command */
785 kill (cmd_pid, SIGWINCH);
786 #endif
787 }
788
789 /*----------------------------------------------------------------------*/
790 /* set_fonts () - load and set the various fonts
791 /*
792 * init = 1 - initialize
793 *
794 * fontname == FONT_UP - switch to bigger font
795 * fontname == FONT_DN - switch to smaller font
796 */
797 bool
798 rxvt_term::set_fonts ()
799 {
800 rxvt_fontset *fs = new rxvt_fontset (this);
801 rxvt_fontprop prop;
802
803 prop.width = prop.height = prop.weight = prop.slant
804 = rxvt_fontprop::unset;
805
806 if (!fs
807 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed", prop)
808 || !fs->realize_font (1))
809 {
810 delete fs;
811 return false;
812 }
813
814 #if ENABLE_STYLES
815 for (int i = RS_styleCount; --i; )
816 if (TermWin.fontset[i] != TermWin.fontset[0])
817 delete TermWin.fontset[i];
818 #endif
819
820 delete TermWin.fontset[0];
821 TermWin.fontset[0] = fs;
822
823 fs->prop = prop = (*fs)[1]->properties ();
824
825 TermWin.fwidth = prop.width;
826 TermWin.fheight = prop.height;
827 TermWin.fweight = prop.weight;
828 TermWin.fslant = prop.slant;
829 TermWin.fbase = (*fs)[1]->ascent;
830
831 for (int style = 1; style < 4; style++)
832 {
833 #if ENABLE_STYLES
834 const char *res = rs[Rs_font + style];
835
836 if (res && !*res)
837 TermWin.fontset[style] = TermWin.fontset[0];
838 else
839 {
840 TermWin.fontset[style] = fs = new rxvt_fontset (this);
841 rxvt_fontprop prop2 = prop;
842
843 if (res)
844 prop2.weight = prop2.slant = rxvt_fontprop::unset;
845 else
846 {
847 res = TermWin.fontset[0]->fontdesc;
848
849 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
850 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
851 }
852
853 fs->populate (res, prop2);
854 }
855 #else
856 TermWin.fontset[style] = TermWin.fontset[0];
857 #endif
858 }
859
860 if (TermWin.parent[0])
861 {
862 resize_all_windows (0, 0, 0);
863 scr_remap_chars ();
864 scr_touch (true);
865 }
866
867 return true;
868 }
869
870 /*----------------------------------------------------------------------*/
871 /*----------------------------------------------------------------------*/
872 /* xterm sequences - title, iconName, color (exptl) */
873 void
874 rxvt_term::set_title (const char *str)
875 {
876 #ifdef SMART_WINDOW_TITLE
877 char *name;
878
879 if (!XFetchName (display->display, TermWin.parent[0], &name))
880 name = NULL;
881
882 if (name == NULL || strcmp (name, str))
883 #endif
884 XStoreName (display->display, TermWin.parent[0], str);
885
886 #ifdef SMART_WINDOW_TITLE
887 if (name)
888 XFree (name);
889 #endif
890 }
891
892 void
893 rxvt_term::set_icon_name (const char *str)
894 {
895 #ifdef SMART_WINDOW_TITLE
896 char *name;
897
898 if (!XGetIconName (display->display, TermWin.parent[0], &name))
899 name = NULL;
900
901 if (name == NULL || strcmp (name, str))
902 #endif
903 XSetIconName (display->display, TermWin.parent[0], str);
904
905 #ifdef SMART_WINDOW_TITLE
906 if (name)
907 XFree (name);
908 #endif
909 }
910
911 #ifdef XTERM_COLOR_CHANGE
912 void
913 rxvt_term::set_window_color (int idx, const char *color)
914 {
915 rxvt_color xcol;
916 int i;
917
918 if (color == NULL || *color == '\0')
919 return;
920
921 /* handle color aliases */
922 if (isdigit (*color))
923 {
924 i = atoi (color);
925 if (i >= 8 && i <= 15)
926 { /* bright colors */
927 i -= 8;
928 # ifndef NO_BRIGHTCOLOR
929 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
930 SET_PIXCOLOR (idx);
931 goto Done;
932 # endif
933
934 }
935 if (i >= 0 && i <= 7)
936 { /* normal colors */
937 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
938 SET_PIXCOLOR (idx);
939 goto Done;
940 }
941 }
942
943 if (!rXParseAllocColor (& xcol, color))
944 return;
945
946 /* XStoreColor (display->display, display->cmap, XColor*); */
947
948 /*
949 * FIXME: should free colors here, but no idea how to do it so instead,
950 * so just keep gobbling up the colormap
951 */
952 # if 0
953 for (i = Color_Black; i <= Color_White; i++)
954 if (pix_colors[idx] == pix_colors[i])
955 break;
956 if (i > Color_White)
957 {
958 /* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
959 XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
960 DisplayPlanes (display->display, display->screen));
961 }
962 # endif
963
964 pix_colors_focused[idx] = xcol;
965 SET_PIXCOLOR (idx);
966
967 /* XSetWindowAttributes attr; */
968 /* Cursor cursor; */
969 Done:
970 #ifdef OFF_FOCUS_FADING
971 if (rs[Rs_fade])
972 pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]));
973 #endif
974
975 /*TODO: handle Color_BD, scrollbar background, etc. */
976
977 recolour_cursor ();
978 scr_recolour ();
979 }
980
981 #else
982 # define set_window_color (idx,color) ((void)0)
983 #endif /* XTERM_COLOR_CHANGE */
984
985 void
986 rxvt_term::recolour_cursor ()
987 {
988 XColor xcol[2];
989
990 xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
991 ? pix_colors_focused[Color_pointer_fg]
992 : pix_colors_focused[Color_fg];
993 xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
994 ? pix_colors_focused[Color_pointer_bg]
995 : pix_colors_focused[Color_bg];
996
997 XQueryColors (display->display, display->cmap, xcol, 2);
998 XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
999 }
1000
1001 /*----------------------------------------------------------------------*/
1002 /*
1003 * find if fg/bg matches any of the normal (low-intensity) colors
1004 */
1005 void
1006 rxvt_term::set_colorfgbg ()
1007 {
1008 unsigned int i;
1009 const char *xpmb = "\0";
1010 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
1011
1012 env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
1013 strcpy (fstr, "default");
1014 strcpy (bstr, "default");
1015 for (i = Color_Black; i <= Color_White; i++)
1016 if (pix_colors[Color_fg] == pix_colors[i])
1017 {
1018 sprintf (fstr, "%d", (i - Color_Black));
1019 break;
1020 }
1021
1022 for (i = Color_Black; i <= Color_White; i++)
1023 if (pix_colors[Color_bg] == pix_colors[i])
1024 {
1025 sprintf (bstr, "%d", (i - Color_Black));
1026 #ifdef XPM_BACKGROUND
1027 xpmb = "default;";
1028 #endif
1029 break;
1030 }
1031
1032 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1033 }
1034
1035 /*----------------------------------------------------------------------*/
1036 /*
1037 * Colour determination for low colour displays, routine from
1038 * Hans de Goede <hans@highrise.nl>
1039 */
1040
1041 int
1042 rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
1043 {
1044 if (!screen_in_out->set (display, colour))
1045 {
1046 rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
1047 return false;
1048 }
1049
1050 return true;
1051 }
1052
1053 /* -------------------------------------------------------------------- *
1054 * - WINDOW RESIZING - *
1055 * -------------------------------------------------------------------- */
1056 void
1057 rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)
1058 {
1059 int fix_screen;
1060
1061 #ifdef SMART_RESIZE
1062 int old_width = szHint.width, old_height = szHint.height;
1063 #endif
1064
1065 window_calc (width, height);
1066 XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);
1067
1068 if (!ignoreparent)
1069 {
1070 #ifdef SMART_RESIZE
1071 /*
1072 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1073 * reposition window on resize depending on placement on screen
1074 */
1075 int x, y, x1, y1;
1076 int dx, dy;
1077 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1078 Window unused_cr;
1079
1080 XTranslateCoordinates (display->display, TermWin.parent[0], display->root,
1081 0, 0, &x, &y, &unused_cr);
1082 XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,
1083 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1084 /*
1085 * if display->root isn't the parent window, a WM will probably have offset
1086 * our position for handles and decorations. Counter it
1087 */
1088 if (x1 != x || y1 != y)
1089 {
1090 x -= x1;
1091 y -= y1;
1092 }
1093
1094 x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;
1095 y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;
1096 dx = old_width - szHint.width;
1097 dy = old_height - szHint.height;
1098
1099 /* Check position of the center of the window */
1100 if (x < x1) /* left half */
1101 dx = 0;
1102 else if (x == x1) /* exact center */
1103 dx /= 2;
1104 if (y < y1) /* top half */
1105 dy = 0;
1106 else if (y == y1) /* exact center */
1107 dy /= 2;
1108
1109 XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,
1110 szHint.width, szHint.height);
1111 #else
1112 XResizeWindow (display->display, TermWin.parent[0], szHint.width, szHint.height);
1113 #endif
1114 }
1115
1116 fix_screen = TermWin.ncol != prev_ncol || TermWin.nrow != prev_nrow;
1117
1118 if (fix_screen || width != old_width || height != old_height)
1119 {
1120 if (scrollbar_visible ())
1121 {
1122 XMoveResizeWindow (display->display, scrollBar.win,
1123 window_sb_x, 0,
1124 scrollbar_TotalWidth (), szHint.height);
1125 resize_scrollbar ();
1126 }
1127
1128 if (menubar_visible ())
1129 XMoveResizeWindow (display->display, menuBar.win,
1130 window_vt_x, 0,
1131 TermWin_TotalWidth (), menuBar_TotalHeight ());
1132
1133 XMoveResizeWindow (display->display, TermWin.vt,
1134 window_vt_x, window_vt_y,
1135 TermWin_TotalWidth (), TermWin_TotalHeight ());
1136 scr_clear ();
1137 #ifdef XPM_BACKGROUND
1138 resize_pixmap ();
1139 #endif
1140 }
1141
1142 if (fix_screen || old_height == 0)
1143 {
1144 int curr_screen = -1;
1145 int old_ncol = prev_ncol;
1146
1147 /* scr_reset only works on the primary screen */
1148 if (old_height) /* this is not the first time through */
1149 {
1150 unsigned int ncol = TermWin.ncol;
1151 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1152 curr_screen = scr_change_screen (PRIMARY);
1153 TermWin.ncol = ncol;
1154 }
1155
1156 scr_reset ();
1157
1158 if (curr_screen >= 0) /* this is not the first time through */
1159 {
1160 scr_change_screen (curr_screen);
1161 selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1162 }
1163 }
1164
1165 old_width = szHint.width;
1166 old_height = szHint.height;
1167
1168 #ifdef USE_XIM
1169 IMSetStatusPosition ();
1170 #endif
1171 }
1172
1173 /*
1174 * Set the width/height of the vt window in characters. Units are pixels.
1175 * good for toggling 80/132 columns
1176 */
1177 void
1178 rxvt_term::set_widthheight (unsigned int width, unsigned int height)
1179 {
1180 XWindowAttributes wattr;
1181
1182 if (width == 0 || height == 0)
1183 {
1184 XGetWindowAttributes (display->display, display->root, &wattr);
1185 if (width == 0)
1186 width = wattr.width - szHint.base_width;
1187 if (height == 0)
1188 height = wattr.height - szHint.base_height;
1189 }
1190
1191 if (width != TermWin.width || height != TermWin.height)
1192 {
1193 width += szHint.base_width;
1194 height += szHint.base_height;
1195 resize_all_windows (width, height, 0);
1196 }
1197 }
1198
1199 /* -------------------------------------------------------------------- *
1200 * - X INPUT METHOD ROUTINES - *
1201 * -------------------------------------------------------------------- */
1202 #ifdef USE_XIM
1203
1204 void
1205 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1206 {
1207 fg = pix_colors[Color_fg];
1208 bg = pix_colors[Color_bg];
1209 }
1210
1211 void
1212 rxvt_term::im_set_size (XRectangle &size)
1213 {
1214 // the int_bwidth terms make no sense to me
1215 size.x = TermWin.int_bwidth;
1216 size.y = TermWin.int_bwidth;
1217 size.width = Width2Pixel (TermWin.ncol) + TermWin.int_bwidth;
1218 size.height = Height2Pixel (TermWin.nrow) + TermWin.int_bwidth;
1219 }
1220
1221 void
1222 rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1223 XRectangle &status_rect,
1224 const XRectangle &needed_rect)
1225 {
1226 preedit_rect.x = needed_rect.width;
1227 preedit_rect.y = 0;
1228 preedit_rect.width = Width2Pixel (TermWin.ncol) - needed_rect.width + 1;
1229 preedit_rect.height = TermWin.fheight;
1230
1231 status_rect.x = 0;
1232 status_rect.y = 0;
1233 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (TermWin.ncol) + 1;
1234 status_rect.height = TermWin.fheight;
1235 }
1236
1237 /* Checking whether input method is running. */
1238 bool
1239 rxvt_term::IMisRunning ()
1240 {
1241 char *p;
1242 Atom atom;
1243 Window win;
1244 char server[IMBUFSIZ];
1245
1246 /* get current locale modifier */
1247 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1248 {
1249 strcpy (server, "@server=");
1250 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1251
1252 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1253 *p = '\0';
1254
1255 atom = XInternAtom (display->display, server, False);
1256 win = XGetSelectionOwner (display->display, atom);
1257
1258 if (win != None)
1259 return True;
1260 }
1261
1262 return False;
1263 }
1264
1265 void
1266 rxvt_term::IMSendSpot ()
1267 {
1268 XPoint spot;
1269 XVaNestedList preedit_attr;
1270
1271 if (!Input_Context
1272 || !TermWin.focus
1273 || !(input_style & XIMPreeditPosition)
1274 #if 0
1275 || !(event_type == KeyPress
1276 || event_type == Expose
1277 || event_type == NoExpose
1278 || event_type == SelectionNotify
1279 || event_type == ButtonRelease || event_type == FocusIn)
1280 #endif
1281 || !IMisRunning ())
1282 return;
1283
1284 im_set_position (spot);
1285
1286 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1287 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1288 XFree (preedit_attr);
1289 }
1290
1291 void
1292 rxvt_term::im_destroy ()
1293 {
1294 if (Input_Context)
1295 {
1296 XDestroyIC (Input_Context);
1297 Input_Context = 0;
1298 }
1299
1300 if (input_method)
1301 {
1302 display->put_xim (input_method);
1303 input_method = 0;
1304 }
1305 }
1306
1307 /*
1308 * Try to open a XIM with the current modifiers, then see if we can
1309 * open a suitable preedit type
1310 */
1311 bool
1312 rxvt_term::IM_get_IC (const char *modifiers)
1313 {
1314 int i, j, found;
1315 XIM xim;
1316 XPoint spot;
1317 XRectangle rect, status_rect, needed_rect;
1318 unsigned long fg, bg;
1319 const char *p;
1320 char **s;
1321 XIMStyles *xim_styles;
1322
1323 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1324 return false;
1325
1326 D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1327 input_method = display->get_xim (locale, modifiers);
1328 if (input_method == NULL)
1329 return false;
1330
1331 xim = input_method->xim;
1332
1333 xim_styles = NULL;
1334 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1335 || !xim_styles || !xim_styles->count_styles)
1336 {
1337 im_destroy ();
1338 return false;
1339 }
1340
1341 p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";
1342 s = rxvt_splitcommastring (p);
1343
1344 for (i = found = 0; !found && s[i]; i++)
1345 {
1346 if (!strcmp (s[i], "OverTheSpot"))
1347 input_style = (XIMPreeditPosition | XIMStatusNothing);
1348 else if (!strcmp (s[i], "OffTheSpot"))
1349 input_style = (XIMPreeditArea | XIMStatusArea);
1350 else if (!strcmp (s[i], "Root"))
1351 input_style = (XIMPreeditNothing | XIMStatusNothing);
1352
1353 for (j = 0; j < xim_styles->count_styles; j++)
1354 if (input_style == xim_styles->supported_styles[j])
1355 {
1356 found = 1;
1357 break;
1358 }
1359 }
1360
1361 for (i = 0; s[i]; i++)
1362 free (s[i]);
1363
1364 free (s);
1365 XFree (xim_styles);
1366
1367 if (!found)
1368 {
1369 im_destroy ();
1370 return false;
1371 }
1372
1373 XFontSet fs = 0;
1374 XVaNestedList preedit_attr = 0, status_attr = 0;
1375
1376 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1377 {
1378 // fake us a font-set, please
1379 char **missing_charset_list;
1380 int missing_charset_count;
1381 char *def_string;
1382 char pat[512];
1383
1384 sprintf (pat,
1385 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1386 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1387 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1388 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1389 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1390 "*",
1391 TermWin.fheight,
1392 TermWin.fheight + 1, TermWin.fheight - 1,
1393 TermWin.fheight - 2, TermWin.fheight + 2);
1394
1395 fs = XCreateFontSet (display->display, pat,
1396 &missing_charset_list, &missing_charset_count, &def_string);
1397
1398 if (missing_charset_list)
1399 XFreeStringList (missing_charset_list);
1400
1401 if (!fs)
1402 {
1403 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1404 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1405 }
1406 }
1407
1408 if (input_style & XIMPreeditPosition)
1409 {
1410 im_set_size (rect);
1411 im_set_position (spot);
1412 im_set_color (fg, bg);
1413
1414 preedit_attr = XVaCreateNestedList (0,
1415 XNForeground, fg,
1416 XNBackground, bg,
1417 XNArea, &rect,
1418 XNSpotLocation, &spot,
1419 XNFontSet, fs,
1420 NULL);
1421 }
1422 else if (input_style & XIMPreeditArea)
1423 {
1424 im_set_color (fg, bg);
1425
1426 /*
1427 * The necessary width of preedit area is unknown
1428 * until create input context.
1429 */
1430 needed_rect.width = 0;
1431 im_set_preedit_area (rect, status_rect, needed_rect);
1432
1433 preedit_attr = XVaCreateNestedList (0,
1434 XNForeground, fg,
1435 XNBackground, bg,
1436 XNArea, &rect,
1437 XNFontSet, fs,
1438 NULL);
1439 status_attr = XVaCreateNestedList (0,
1440 XNForeground, fg,
1441 XNBackground, bg,
1442 XNArea, &status_rect,
1443 XNFontSet, fs,
1444 NULL);
1445 }
1446
1447 Input_Context = XCreateIC (xim,
1448 XNInputStyle, input_style,
1449 XNClientWindow, TermWin.vt,
1450 XNFocusWindow, TermWin.parent[0],
1451 preedit_attr ? XNPreeditAttributes : NULL,
1452 preedit_attr,
1453 status_attr ? XNStatusAttributes : NULL,
1454 status_attr, NULL);
1455
1456 if (preedit_attr) XFree (preedit_attr);
1457 if (status_attr) XFree (status_attr);
1458 if (fs) XFreeFontSet (display->display, fs);
1459
1460 if (Input_Context == NULL)
1461 {
1462 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1463 im_destroy ();
1464 return false;
1465 }
1466
1467 if (input_style & XIMPreeditArea)
1468 IMSetStatusPosition ();
1469
1470 D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1471 return true;
1472 }
1473
1474 void
1475 rxvt_term::im_cb ()
1476 {
1477 int i, found, had_im;
1478 const char *p;
1479 char **s;
1480 char buf[IMBUFSIZ];
1481
1482 im_destroy ();
1483
1484 D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1485 if (Input_Context)
1486 return;
1487
1488 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1489 if (rs[Rs_imLocale])
1490 SET_LOCALE (rs[Rs_imLocale]);
1491 #endif
1492
1493 p = rs[Rs_inputMethod];
1494 if (p && *p)
1495 {
1496 bool found = false;
1497
1498 s = rxvt_splitcommastring (p);
1499 for (i = 0; s[i]; i++)
1500 {
1501 if (*s[i])
1502 {
1503 strcpy (buf, "@im=");
1504 strncat (buf, s[i], IMBUFSIZ - 5);
1505 if (IM_get_IC (buf))
1506 {
1507 found = true;
1508 break;
1509 }
1510 }
1511 }
1512 for (i = 0; s[i]; i++)
1513 free (s[i]);
1514 free (s);
1515
1516 if (found)
1517 goto done;
1518 }
1519
1520 /* try with XMODIFIERS env. var. */
1521 if (IM_get_IC (""))
1522 goto done;
1523
1524 /* try with no modifiers base IF the user didn't specify an IM */
1525 if (IM_get_IC ("@im=none"))
1526 goto done;
1527
1528 done:
1529 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1530 if (rs[Rs_imLocale])
1531 SET_LOCALE (locale);
1532 #endif
1533 }
1534
1535 void
1536 rxvt_term::IMSetStatusPosition ()
1537 {
1538 XRectangle preedit_rect, status_rect, *needed_rect;
1539 XVaNestedList preedit_attr, status_attr;
1540
1541 if (!Input_Context
1542 || !TermWin.focus
1543 || !(input_style & XIMPreeditArea)
1544 || !IMisRunning ())
1545 return;
1546
1547 /* Getting the necessary width of preedit area */
1548 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1549 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1550 XFree (status_attr);
1551
1552 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1553 XFree (needed_rect);
1554
1555 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1556 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1557
1558 XSetICValues (Input_Context,
1559 XNPreeditAttributes, preedit_attr,
1560 XNStatusAttributes, status_attr, NULL);
1561
1562 XFree (preedit_attr);
1563 XFree (status_attr);
1564 }
1565 #endif /* USE_XIM */
1566
1567 /*----------------------------------------------------------------------*/
1568 rxvt_t rxvt_current_term;
1569
1570 /*----------------------- end-of-file (C source) -----------------------*/