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Revision: 1.269
Committed: Tue Dec 4 14:50:42 2007 UTC (16 years, 6 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.268: +12 -11 lines
Log Message:
experimental new callbacks, totally standards compliant, faster, smaller

File Contents

# 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) 2003-2006 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 #ifdef HAVE_TERMIOS_H
44 # include <termios.h>
45 #endif
46
47 #ifdef HAVE_XSETLOCALE
48 # define X_LOCALE
49 # include <X11/Xlocale.h>
50 #else
51 # ifdef HAVE_SETLOCALE
52 # include <clocale>
53 # endif
54 #endif
55
56 vector<rxvt_term *> rxvt_term::termlist;
57
58 // used to tell global functions which terminal instance is "active"
59 rxvt_t rxvt_current_term;
60
61 static char curlocale[128], savelocale[128];
62
63 bool
64 rxvt_set_locale (const char *locale) NOTHROW
65 {
66 int size = strlen (locale) + 1;
67
68 if (size > sizeof (curlocale))
69 rxvt_fatal ("locale string too long, aborting.\n");
70
71 if (!locale || !memcmp (locale, curlocale, size))
72 return false;
73
74 memcpy (curlocale, locale, size);
75 setlocale (LC_CTYPE, curlocale);
76 return true;
77 }
78
79 void
80 rxvt_push_locale (const char *locale) NOTHROW
81 {
82 strcpy (savelocale, curlocale);
83 rxvt_set_locale (locale);
84 }
85
86 void
87 rxvt_pop_locale () NOTHROW
88 {
89 rxvt_set_locale (savelocale);
90 }
91
92 #if ENABLE_COMBINING
93 class rxvt_composite_vec rxvt_composite;
94
95 text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
96 {
97 compose_char *cc;
98
99 // break compose chains, as stupid readline really likes to duplicate
100 // composing characters for some reason near the end of a line.
101 cc = (*this)[c1];
102 while (cc)
103 {
104 if (cc->c2 == c2) return c1;
105 cc = (*this)[cc->c1];
106 }
107
108 // check to see wether this combination already exists otherwise
109 for (cc = v.end (); cc-- > v.begin (); )
110 {
111 if (cc->c1 == c1 && cc->c2 == c2)
112 return COMPOSE_LO + (cc - v.begin ());
113 }
114
115 // allocate a new combination
116 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
117 {
118 static int seen;
119
120 if (!seen++)
121 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
122
123 return REPLACEMENT_CHAR;
124 }
125
126 v.push_back (compose_char (c1, c2));
127
128 return v.size () - 1 + COMPOSE_LO;
129 }
130
131 int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
132 {
133 compose_char *cc = (*this)[c];
134
135 if (!cc)
136 {
137 if (r) *r = c;
138 return 1;
139 }
140
141 int len = expand (cc->c1, r);
142
143 if (r) r += len;
144
145 if (cc->c2 != NOCHAR)
146 {
147 len++;
148 if (r) *r++ = cc->c2;
149 }
150
151 return len;
152
153 }
154 #endif
155
156 rxvt_term::rxvt_term ()
157 :
158 #if HAVE_BG_PIXMAP
159 update_background_ev(this, &rxvt_term::update_background_cb),
160 #endif
161 #ifdef CURSOR_BLINK
162 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
163 #endif
164 #ifdef TEXT_BLINK
165 text_blink_ev (this, &rxvt_term::text_blink_cb),
166 #endif
167 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
168 cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
169 #endif
170 #ifdef SELECTION_SCROLLING
171 sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
172 #endif
173 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
174 slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
175 #endif
176 #ifdef POINTER_BLANK
177 pointer_ev (this, &rxvt_term::pointer_cb),
178 #endif
179 #ifndef NO_BELL
180 bell_ev (this, &rxvt_term::bell_cb),
181 #endif
182 child_ev (this, &rxvt_term::child_cb),
183 prepare_ev (this, &rxvt_term::prepare_cb),
184 flush_ev (this, &rxvt_term::flush_cb),
185 destroy_ev (this, &rxvt_term::destroy_cb),
186 pty_ev (this, &rxvt_term::pty_cb),
187 incr_ev (this, &rxvt_term::incr_cb)
188 {
189 #if ENABLE_TRANSPARENCY || ENABLE_PERL
190 callback_set (rootwin_ev , this, rxvt_term, rootwin_cb);
191 #endif
192 #ifdef HAVE_SCROLLBARS
193 callback_set (scrollbar_ev, this, rxvt_term, x_cb);
194 #endif
195 #ifdef USE_XIM
196 callback_set (im_ev , this, rxvt_term, im_cb);
197 #endif
198 callback_set (termwin_ev , this, rxvt_term, x_cb);
199 callback_set (vt_ev , this, rxvt_term, x_cb);
200
201 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
202
203 termlist.push_back (this);
204
205 #ifdef KEYSYM_RESOURCE
206 keyboard = new keyboard_manager;
207 #endif
208 }
209
210 // clean up the most important stuff, do *not* call x or free mem etc.
211 // for use before an emergency exit
212 void
213 rxvt_term::emergency_cleanup ()
214 {
215 if (cmd_pid)
216 kill (-cmd_pid, SIGHUP);
217
218 pty_ev.stop ();
219 delete pty; pty = 0;
220 }
221
222 rxvt_term::~rxvt_term ()
223 {
224 termlist.erase (find (termlist.begin (), termlist.end(), this));
225
226 emergency_cleanup ();
227
228 #if ENABLE_STYLES
229 for (int i = RS_styleCount; --i; )
230 if (fontset[i] != fontset[0])
231 delete fontset[i];
232 #endif
233 delete fontset[0];
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
285 delete [] pix_colors_focused;
286 #if OFF_FOCUS_FADING
287 delete [] pix_colors_unfocused;
288 #endif
289
290 #ifdef HAVE_BG_PIXMAP
291 bgPixmap.destroy ();
292 #endif
293 displays.put (display);
294
295 scr_release ();
296
297 /* clear all resources */
298 for (int i = 0; i < allocated.size (); i++)
299 free (allocated [i]);
300
301 free (selection.text);
302 // TODO: manage env vars in child only(!)
303 free (env_display);
304 free (env_term);
305 free (locale);
306 free (v_buffer);
307 free (incr_buf);
308
309 delete envv;
310 delete argv;
311
312 #ifdef KEYSYM_RESOURCE
313 delete keyboard;
314 #endif
315 #ifndef NO_RESOURCES
316 XrmDestroyDatabase (option_db);
317 #endif
318 }
319
320 // child has exited, usually destroys
321 void
322 rxvt_term::child_cb (ev::child &w, int status)
323 {
324 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
325
326 cmd_pid = 0;
327
328 if (!option (Opt_hold))
329 destroy ();
330 }
331
332 void
333 rxvt_term::destroy ()
334 {
335 if (destroy_ev.active)
336 return;
337
338 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
339
340 #if ENABLE_OVERLAY
341 scr_overlay_off ();
342 #endif
343
344 if (display)
345 {
346 #if USE_XIM
347 im_ev.stop (display);
348 #endif
349 #if HAVE_SCROLLBARS
350 scrollbar_ev.stop (display);
351 #endif
352 #if ENABLE_TRANSPARENCY || ENABLE_PERL
353 rootwin_ev.stop (display);
354 #endif
355 incr_ev.stop ();
356 termwin_ev.stop (display);
357 vt_ev.stop (display);
358 }
359
360 prepare_ev.stop ();
361 pty_ev.stop ();
362 #ifdef CURSOR_BLINK
363 cursor_blink_ev.stop ();
364 #endif
365 #ifdef TEXT_BLINK
366 text_blink_ev.stop ();
367 #endif
368 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
369 cont_scroll_ev.stop ();
370 #endif
371 #ifdef SELECTION_SCROLLING
372 sel_scroll_ev.stop ();
373 #endif
374 #ifdef POINTER_BLANK
375 pointer_ev.stop ();
376 #endif
377
378 destroy_ev.start ();
379 }
380
381 void
382 rxvt_term::destroy_cb (ev::idle &w, int revents)
383 {
384 make_current ();
385
386 delete this;
387 }
388
389 /*----------------------------------------------------------------------*/
390 /*
391 * Exit gracefully, clearing the utmp entry and restoring tty attributes
392 * TODO: if debugging, this should free up any known resources if we can
393 */
394 static XErrorHandler old_xerror_handler;
395
396 static void
397 rxvt_emergency_cleanup ()
398 {
399 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
400 (*t)->emergency_cleanup ();
401 }
402
403 #if !ENABLE_MINIMAL
404 static void
405 print_x_error (Display *dpy, XErrorEvent *event)
406 {
407 char buffer[BUFSIZ];
408 char mesg[BUFSIZ];
409 char number[32];
410 char *mtype = "XlibMessage";
411 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
412 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
413 rxvt_warn ("An X Error occured, trying to continue after report.\n");
414 rxvt_warn ("%s: %s\n", mesg, buffer);
415 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
416 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
417 sprintf(number, "%d", event->request_code);
418 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
419 rxvt_warn ("(which is %s)\n", buffer);
420 if (event->request_code >= 128) {
421 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
422 mesg, BUFSIZ);
423 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
424 }
425 if ((event->error_code == BadWindow) ||
426 (event->error_code == BadPixmap) ||
427 (event->error_code == BadCursor) ||
428 (event->error_code == BadFont) ||
429 (event->error_code == BadDrawable) ||
430 (event->error_code == BadColor) ||
431 (event->error_code == BadGC) ||
432 (event->error_code == BadIDChoice) ||
433 (event->error_code == BadValue) ||
434 (event->error_code == BadAtom)) {
435 if (event->error_code == BadValue)
436 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
437 mesg, BUFSIZ);
438 else if (event->error_code == BadAtom)
439 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
440 mesg, BUFSIZ);
441 else
442 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
443 mesg, BUFSIZ);
444 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
445 }
446 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
447 mesg, BUFSIZ);
448 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
449 }
450 #endif
451
452 int
453 rxvt_xerror_handler (Display *display, XErrorEvent *event)
454 {
455 if (GET_R->allowedxerror == -1)
456 GET_R->allowedxerror = event->error_code;
457 else
458 {
459 // GET_R is most likely not the terminal which caused the error,
460 // so just output the error and continue
461 #if ENABLE_MINIMAL
462 old_xerror_handler (display, event);
463 #else
464 print_x_error (display, event);
465 #endif
466 }
467
468 return 0;
469 }
470
471 int
472 rxvt_xioerror_handler (Display *display)
473 {
474 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
475 DisplayString (display));
476 rxvt_emergency_cleanup ();
477 _exit (EXIT_FAILURE);
478 }
479
480 /*----------------------------------------------------------------------*/
481 bool
482 rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
483 {
484 this->envv = envv;
485
486 SET_R (this);
487 set_locale ("");
488 set_environ (envv); // few things in X do not call setlocale :(
489
490 if (!init_vars ())
491 return false;
492
493 init_secondary ();
494
495 const char **cmd_argv = init_resources (argc, argv);
496
497 #ifdef KEYSYM_RESOURCE
498 keyboard->register_done ();
499 #endif
500
501 #ifdef HAVE_SCROLLBARS
502 if (option (Opt_scrollBar))
503 scrollBar.setIdle (); /* set existence for size calculations */
504 #endif
505
506 pty = ptytty::create ();
507
508 create_windows (argc, argv);
509
510 init_xlocale ();
511
512 scr_reset (); // initialize screen
513
514 #if 0
515 XSynchronize (dpy, True);
516 #endif
517
518 #ifdef HAVE_SCROLLBARS
519 if (option (Opt_scrollBar))
520 resize_scrollbar (); /* create and map scrollbar */
521 #endif
522 #ifdef HAVE_BG_PIXMAP
523 {
524 bgPixmap.set_target (this);
525
526 #ifdef ENABLE_TRANSPARENCY
527 if (option (Opt_transparent))
528 {
529 bgPixmap.set_transparent ();
530 #ifdef HAVE_AFTERIMAGE
531 if (rs [Rs_blurradius])
532 bgPixmap.set_blur_radius (rs [Rs_blurradius]);
533 #endif
534 if (ISSET_PIXCOLOR (Color_tint))
535 bgPixmap.set_tint (pix_colors_focused [Color_tint]);
536 if (rs [Rs_shade])
537 bgPixmap.set_shade (rs [Rs_shade]);
538
539 bgPixmap.set_root_pixmap ();
540 XSelectInput (dpy, display->root, PropertyChangeMask);
541 rootwin_ev.start (display, display->root);
542 }
543 #endif
544
545 #ifdef BG_IMAGE_FROM_FILE
546 if (rs[Rs_backgroundPixmap] != NULL)
547 {
548 const char *p = rs[Rs_backgroundPixmap];
549
550 if ((p = strchr (p, ';')) != NULL)
551 {
552 p++;
553 bgPixmap.set_geometry (p);
554 }
555 else
556 bgPixmap.set_defaultGeometry ();
557
558 if (bgPixmap.set_file (rs[Rs_backgroundPixmap]))
559 if (!bgPixmap.window_position_sensitive ())
560 update_background ();
561 }
562 #endif
563 }
564 #endif
565
566 #if ENABLE_PERL
567 rootwin_ev.start (display, display->root);
568 #endif
569
570 set_colorfgbg ();
571
572 init_command (cmd_argv);
573
574 free (cmd_argv);
575
576 if (pty->pty >= 0)
577 pty_ev.start (pty->pty, ev::READ);
578
579 prepare_ev.start ();
580
581 HOOK_INVOKE ((this, HOOK_START, DT_END));
582
583 #if ENABLE_XEMBED
584 if (rs[Rs_embed])
585 {
586 long info[2] = { 0, XEMBED_MAPPED };
587
588 XChangeProperty (dpy, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
589 32, PropModeReplace, (unsigned char *)&info, 2);
590 }
591 #endif
592
593 XMapWindow (dpy, vt);
594 XMapWindow (dpy, parent[0]);
595
596 return true;
597 }
598
599 static struct sig_handlers
600 {
601 ev::sig sw_term, sw_int;
602
603 /*
604 * Catch a fatal signal and tidy up before quitting
605 */
606 void
607 sig_term (ev::sig &w, int revents)
608 {
609 rxvt_emergency_cleanup ();
610 w.stop ();
611 kill (getpid (), w.signum);
612 }
613
614 sig_handlers ()
615 : sw_term (this, &sig_handlers::sig_term),
616 sw_int (this, &sig_handlers::sig_term)
617 {
618 }
619 } sig_handlers;
620
621 char **rxvt_environ; // startup environment
622
623 void
624 rxvt_init ()
625 {
626 ptytty::init ();
627
628 if (!ev_default_loop (0))
629 rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
630
631 rxvt_environ = environ;
632
633 signal (SIGHUP, SIG_IGN);
634 signal (SIGPIPE, SIG_IGN);
635
636 sig_handlers.sw_term.start (SIGTERM); ev_unref ();
637 sig_handlers.sw_int.start (SIGINT); ev_unref ();
638
639 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
640 /* signal (SIGURG, SIG_DFL); */
641
642 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
643 // TODO: handle this with exceptions and tolerate the memory loss
644 XSetIOErrorHandler (rxvt_xioerror_handler);
645
646 XrmInitialize ();
647 }
648
649 /* ------------------------------------------------------------------------- *
650 * MEMORY ALLOCATION WRAPPERS *
651 * ------------------------------------------------------------------------- */
652 void *
653 rxvt_malloc (size_t size)
654 {
655 void *p = malloc (size);
656
657 if (!p)
658 rxvt_fatal ("memory allocation failure. aborting.\n");
659
660 return p;
661 }
662
663 void *
664 rxvt_calloc (size_t number, size_t size)
665 {
666 void *p = calloc (number, size);
667
668 if (!p)
669 rxvt_fatal ("memory allocation failure. aborting.\n");
670
671 return p;
672 }
673
674 void *
675 rxvt_realloc (void *ptr, size_t size)
676 {
677 void *p = realloc (ptr, size);
678
679 if (!p)
680 rxvt_fatal ("memory allocation failure. aborting.\n");
681
682 return p;
683 }
684
685 /*----------------------------------------------------------------------*/
686 /*
687 * window size/position calculations for XSizeHint and other storage.
688 * if width/height are non-zero then override calculated width/height
689 */
690 void
691 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
692 {
693 short recalc_x, recalc_y;
694 int x, y, sb_w, flags;
695 unsigned int w, h;
696 unsigned int max_width, max_height;
697
698 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
699 szHint.win_gravity = NorthWestGravity;
700 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
701
702 recalc_x = recalc_y = 0;
703 flags = 0;
704
705 if (!parsed_geometry)
706 {
707 parsed_geometry = 1;
708
709 if (rs[Rs_geometry])
710 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
711
712 if (flags & WidthValue)
713 {
714 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
715 szHint.flags |= USSize;
716 }
717
718 if (flags & HeightValue)
719 {
720 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
721 szHint.flags |= USSize;
722 }
723
724 if (flags & XValue)
725 {
726 szHint.x = x;
727 szHint.flags |= USPosition;
728
729 if (flags & XNegative)
730 {
731 recalc_x = 1;
732 szHint.win_gravity = NorthEastGravity;
733 }
734 }
735
736 if (flags & YValue)
737 {
738 szHint.y = y;
739 szHint.flags |= USPosition;
740
741 if (flags & YNegative)
742 {
743 recalc_y = 1;
744
745 if (szHint.win_gravity == NorthEastGravity)
746 szHint.win_gravity = SouthEastGravity;
747 else
748 szHint.win_gravity = SouthWestGravity;
749 }
750 }
751 }
752
753 /* TODO: BOUNDS */
754 width = ncol * fwidth;
755 height = nrow * fheight;
756 max_width = MAX_COLS * fwidth;
757 max_height = MAX_ROWS * fheight;
758
759 szHint.base_width = szHint.base_height = 2 * int_bwidth;
760
761 sb_w = 0;
762 window_vt_x = window_vt_y = int_bwidth;
763
764 if (scrollBar.state)
765 {
766 sb_w = scrollbar_TotalWidth ();
767 szHint.base_width += sb_w;
768
769 if (!option (Opt_scrollBar_right))
770 window_vt_x += sb_w;
771 }
772
773 szHint.width_inc = fwidth;
774 szHint.height_inc = fheight;
775 szHint.min_width = szHint.base_width + szHint.width_inc;
776 szHint.min_height = szHint.base_height + szHint.height_inc;
777
778 if (newwidth && newwidth - szHint.base_width < max_width)
779 {
780 szHint.width = newwidth;
781 width = newwidth - szHint.base_width;
782 }
783 else
784 {
785 min_it (width, max_width);
786 szHint.width = szHint.base_width + width;
787 }
788
789 if (newheight && newheight - szHint.base_height < max_height)
790 {
791 szHint.height = newheight;
792 height = newheight - szHint.base_height;
793 }
794 else
795 {
796 min_it (height, max_height);
797 szHint.height = szHint.base_height + height;
798 }
799
800 if (scrollBar.state && option (Opt_scrollBar_right))
801 window_sb_x = szHint.width - sb_w;
802
803 if (recalc_x)
804 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
805
806 if (recalc_y)
807 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
808
809 ncol = width / fwidth;
810 nrow = height / fheight;
811 }
812
813 /*----------------------------------------------------------------------*/
814 /*
815 * Tell the teletype handler what size the window is.
816 * Called after a window size change.
817 */
818 void
819 rxvt_term::tt_winch ()
820 {
821 if (pty->pty < 0)
822 return;
823
824 struct winsize ws;
825
826 ws.ws_col = ncol;
827 ws.ws_row = nrow;
828 ws.ws_xpixel = width;
829 ws.ws_ypixel = height;
830 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
831
832 #if 0
833 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
834 if (cmd_pid) /* force through to the command */
835 kill (-cmd_pid, SIGWINCH);
836 #endif
837 }
838
839 /*----------------------------------------------------------------------*/
840 /* set_fonts () - load and set the various fonts
841 *
842 * init = 1 - initialize
843 *
844 * fontname == FONT_UP - switch to bigger font
845 * fontname == FONT_DN - switch to smaller font
846 */
847 bool
848 rxvt_term::set_fonts ()
849 {
850 rxvt_fontset *fs = new rxvt_fontset (this);
851 rxvt_fontprop prop;
852
853 if (!fs
854 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
855 || !fs->realize_font (1))
856 {
857 delete fs;
858 return false;
859 }
860
861 #if ENABLE_STYLES
862 for (int i = RS_styleCount; --i; )
863 if (fontset[i] != fontset[0])
864 delete fontset[i];
865 #endif
866
867 delete fontset[0];
868 fontset[0] = fs;
869
870 prop = (*fs)[1]->properties ();
871 prop.height += lineSpace;
872
873 fs->set_prop (prop, false);
874
875 fwidth = prop.width;
876 fheight = prop.height;
877 fbase = prop.ascent;
878
879 for (int style = 1; style < 4; style++)
880 {
881 #if ENABLE_STYLES
882 const char *res = rs[Rs_font + style];
883
884 if (res && !*res)
885 fontset[style] = fontset[0];
886 else
887 {
888 fontset[style] = fs = new rxvt_fontset (this);
889 rxvt_fontprop prop2 = prop;
890
891 if (res)
892 {
893 fs->populate (res);
894 fs->set_prop (prop2, false);
895 }
896 else
897 {
898 fs->populate (fontset[0]->fontdesc);
899
900 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
901 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
902
903 fs->set_prop (prop2, true);
904 }
905
906 }
907 #else
908 fontset[style] = fontset[0];
909 #endif
910 }
911
912 if (parent[0])
913 {
914 resize_all_windows (0, 0, 0);
915 scr_remap_chars ();
916 scr_touch (true);
917 }
918
919 return true;
920 }
921
922 void
923 rxvt_term::set_string_property (Atom prop, const char *str, int len)
924 {
925 XChangeProperty (dpy, parent[0],
926 prop, XA_STRING, 8, PropModeReplace,
927 (const unsigned char *)str, len >= 0 ? len : strlen (str));
928 }
929
930 void
931 rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
932 {
933 wchar_t *ws = rxvt_mbstowcs (str, len);
934 char *s = rxvt_wcstoutf8 (ws);
935
936 XChangeProperty (dpy, parent[0],
937 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
938 (const unsigned char *)s, strlen (s));
939
940 free (s);
941 free (ws);
942 }
943
944 /*----------------------------------------------------------------------*/
945 /*----------------------------------------------------------------------*/
946 /* xterm sequences - title, iconName, color (exptl) */
947 void
948 rxvt_term::set_title (const char *str)
949 {
950 set_string_property (XA_WM_NAME, str);
951 #if ENABLE_EWMH
952 set_utf8_property (xa[XA_NET_WM_NAME], str);
953 #endif
954 }
955
956 void
957 rxvt_term::set_icon_name (const char *str)
958 {
959 set_string_property (XA_WM_ICON_NAME, str);
960 #if ENABLE_EWMH
961 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
962 #endif
963 }
964
965 void
966 rxvt_term::set_window_color (int idx, const char *color)
967 {
968 #ifdef XTERM_COLOR_CHANGE
969 rxvt_color xcol;
970 int i;
971
972 if (color == NULL || *color == '\0')
973 return;
974
975 color = strdup (color);
976 allocated.push_back ((void *)color);
977 rs[Rs_color + idx] = color;
978
979 /* handle color aliases */
980 if (isdigit (*color))
981 {
982 i = atoi (color);
983
984 if (i >= 8 && i <= 15)
985 {
986 /* bright colors */
987 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
988 goto done;
989 }
990
991 if (i >= 0 && i <= 7)
992 {
993 /* normal colors */
994 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
995 goto done;
996 }
997 }
998
999 set_color (xcol, color);
1000
1001 /*
1002 * FIXME: should free colors here, but no idea how to do it so instead,
1003 * so just keep gobbling up the colormap
1004 */
1005
1006 pix_colors_focused[idx] = xcol;
1007
1008 done:
1009 /*TODO: handle Color_BD, scrollbar background, etc. */
1010
1011 update_fade_color (idx);
1012 recolour_cursor ();
1013 scr_recolour ();
1014 #endif /* XTERM_COLOR_CHANGE */
1015 }
1016
1017 void
1018 rxvt_term::recolour_cursor ()
1019 {
1020 XColor fg, bg;
1021
1022 (ISSET_PIXCOLOR (Color_pointer_fg)
1023 ? pix_colors_focused[Color_pointer_fg]
1024 : pix_colors_focused[Color_fg]).get (fg);
1025
1026 (ISSET_PIXCOLOR (Color_pointer_bg)
1027 ? pix_colors_focused[Color_pointer_bg]
1028 : pix_colors_focused[Color_bg]).get (bg);
1029
1030 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
1031 }
1032
1033 /*----------------------------------------------------------------------*/
1034 /*
1035 * find if fg/bg matches any of the normal (low-intensity) colors
1036 */
1037 void
1038 rxvt_term::set_colorfgbg ()
1039 {
1040 unsigned int i;
1041 const char *xpmb = "";
1042 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
1043
1044 strcpy (fstr, "default");
1045 strcpy (bstr, "default");
1046 for (i = Color_Black; i <= Color_White; i++)
1047 if (pix_colors[Color_fg] == pix_colors[i])
1048 {
1049 sprintf (fstr, "%d", (i - Color_Black));
1050 break;
1051 }
1052
1053 for (i = Color_Black; i <= Color_White; i++)
1054 if (pix_colors[Color_bg] == pix_colors[i])
1055 {
1056 sprintf (bstr, "%d", (i - Color_Black));
1057 #ifdef BG_IMAGE_FROM_FILE
1058 xpmb = "default;";
1059 #endif
1060 break;
1061 }
1062
1063 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1064 }
1065
1066 /*----------------------------------------------------------------------*/
1067
1068 bool
1069 rxvt_term::set_color (rxvt_color &color, const char *name)
1070 {
1071 if (color.set (this, name))
1072 return true;
1073
1074 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1075 return false;
1076 }
1077
1078 void
1079 rxvt_term::alias_color (int dst, int src)
1080 {
1081 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1082 }
1083
1084 /* -------------------------------------------------------------------- *
1085 * - WINDOW RESIZING - *
1086 * -------------------------------------------------------------------- */
1087 void
1088 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1089 {
1090 int fix_screen;
1091 int old_width = szHint.width;
1092 int old_height = szHint.height;
1093
1094 window_calc (newwidth, newheight);
1095
1096 if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
1097 XSetWMNormalHints (dpy, parent[0], &szHint);
1098
1099 if (!ignoreparent)
1100 {
1101 #ifdef SMART_RESIZE
1102 /*
1103 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1104 * reposition window on resize depending on placement on screen
1105 */
1106 int x, y, x1, y1;
1107 int dx, dy;
1108 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1109 Window unused_cr;
1110
1111 XTranslateCoordinates (dpy, parent[0], display->root,
1112 0, 0, &x, &y, &unused_cr);
1113 XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
1114 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1115 /*
1116 * if display->root isn't the parent window, a WM will probably have offset
1117 * our position for handles and decorations. Counter it
1118 */
1119 if (x1 != x || y1 != y)
1120 {
1121 x -= x1;
1122 y -= y1;
1123 }
1124
1125 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1126 y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1127 dx = old_width - szHint.width;
1128 dy = old_height - szHint.height;
1129
1130 /* Check position of the center of the window */
1131 if (x < x1) /* left half */
1132 dx = 0;
1133 else if (x == x1) /* exact center */
1134 dx /= 2;
1135 if (y < y1) /* top half */
1136 dy = 0;
1137 else if (y == y1) /* exact center */
1138 dy /= 2;
1139
1140 XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
1141 szHint.width, szHint.height);
1142 #else
1143 XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
1144 #endif
1145 }
1146
1147 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1148
1149 if (fix_screen || newwidth != old_width || newheight != old_height)
1150 {
1151 if (scrollBar.state)
1152 {
1153 XMoveResizeWindow (dpy, scrollBar.win,
1154 window_sb_x, 0,
1155 scrollbar_TotalWidth (), szHint.height);
1156 resize_scrollbar ();
1157 }
1158
1159 XMoveResizeWindow (dpy, vt,
1160 window_vt_x, window_vt_y,
1161 width, height);
1162
1163 #ifdef HAVE_BG_PIXMAP
1164 if (bgPixmap.window_size_sensitive ())
1165 update_background ();
1166 #endif
1167
1168 scr_clear ();
1169 }
1170
1171 if (fix_screen || old_height == 0)
1172 scr_reset ();
1173
1174 // TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
1175 //scr_touch (false);
1176
1177 #ifdef HAVE_BG_PIXMAP
1178 // TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
1179 // if (bgPixmap.pixmap)
1180 // scr_touch (false);
1181 #endif
1182
1183 #ifdef USE_XIM
1184 IMSetPosition ();
1185 #endif
1186 }
1187
1188 /*
1189 * Set the width/height of the vt window in characters. Units are pixels.
1190 * good for toggling 80/132 columns
1191 */
1192 void
1193 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1194 {
1195 XWindowAttributes wattr;
1196
1197 if (newwidth == 0 || newheight == 0)
1198 {
1199 XGetWindowAttributes (dpy, display->root, &wattr);
1200
1201 if (newwidth == 0)
1202 newwidth = wattr.width - szHint.base_width;
1203 if (newheight == 0)
1204 newheight = wattr.height - szHint.base_height;
1205 }
1206
1207 if (newwidth != width || newheight != height)
1208 {
1209 newwidth += szHint.base_width;
1210 newheight += szHint.base_height;
1211 resize_all_windows (newwidth, newheight, 0);
1212 }
1213 }
1214
1215 /* -------------------------------------------------------------------- *
1216 * - X INPUT METHOD ROUTINES - *
1217 * -------------------------------------------------------------------- */
1218 #ifdef USE_XIM
1219
1220 void
1221 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1222 {
1223 fg = pix_colors [Color_fg];
1224 bg = pix_colors [Color_bg];
1225 }
1226
1227 void
1228 rxvt_term::im_set_size (XRectangle &size)
1229 {
1230 // the int_bwidth terms make no sense to me
1231 size.x = int_bwidth;
1232 size.y = int_bwidth;
1233 size.width = Width2Pixel (ncol) + int_bwidth;
1234 size.height = Height2Pixel (nrow) + int_bwidth;
1235 }
1236
1237 void
1238 rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1239 XRectangle &status_rect,
1240 const XRectangle &needed_rect)
1241 {
1242 preedit_rect.x = needed_rect.width;
1243 preedit_rect.y = 0;
1244 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1245 preedit_rect.height = fheight;
1246
1247 status_rect.x = 0;
1248 status_rect.y = 0;
1249 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1250 status_rect.height = fheight;
1251 }
1252
1253 /* Checking whether input method is running. */
1254 bool
1255 rxvt_term::IMisRunning ()
1256 {
1257 char *p;
1258 Atom atom;
1259 Window win;
1260 char server[IMBUFSIZ];
1261
1262 /* get current locale modifier */
1263 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1264 {
1265 strcpy (server, "@server=");
1266 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1267
1268 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1269 *p = '\0';
1270
1271 atom = XInternAtom (dpy, server, False);
1272 win = XGetSelectionOwner (dpy, atom);
1273
1274 if (win != None)
1275 return True;
1276 }
1277
1278 return False;
1279 }
1280
1281 void
1282 rxvt_term::IMSendSpot ()
1283 {
1284 XPoint nspot;
1285 XVaNestedList preedit_attr;
1286
1287 if (!Input_Context
1288 || !focus
1289 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1290 return;
1291
1292 im_set_position (nspot);
1293
1294 if (nspot.x == spot.x && nspot.y == spot.y)
1295 return;
1296
1297 spot = nspot;
1298
1299 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1300 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1301 XFree (preedit_attr);
1302 }
1303
1304 void
1305 rxvt_term::im_destroy ()
1306 {
1307 if (input_method)
1308 {
1309 if (Input_Context && input_method->xim)
1310 XDestroyIC (Input_Context);
1311
1312 display->put_xim (input_method);
1313 input_method = 0;
1314 }
1315
1316 Input_Context = 0;
1317 }
1318
1319 #ifdef ENABLE_XIM_ONTHESPOT
1320
1321 static void
1322 xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1323 {
1324 ((rxvt_term *)client_data)->make_current ();
1325 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1326 }
1327
1328 static void
1329 xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1330 {
1331 ((rxvt_term *)client_data)->make_current ();
1332 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1333 }
1334
1335 static void
1336 xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1337 {
1338 rxvt_term *term = (rxvt_term *)client_data;
1339 XIMText *text = call_data->text;
1340
1341 term->make_current ();
1342
1343 if (text)
1344 {
1345 void *str;
1346
1347 if (!text->encoding_is_wchar && text->string.multi_byte)
1348 {
1349 // of course, X makes it ugly again
1350 if (term->rs[Rs_imLocale])
1351 SET_LOCALE (term->rs[Rs_imLocale]);
1352
1353 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1354 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1355
1356 if (term->rs[Rs_imLocale])
1357 SET_LOCALE (term->locale);
1358 }
1359 else
1360 str = (void *)text->string.wide_char;
1361
1362 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1363 DT_INT, call_data->caret,
1364 DT_INT, call_data->chg_first,
1365 DT_INT, call_data->chg_length,
1366 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1367 DT_WCS_LEN, str, str ? (int)text->length : 0,
1368 DT_END));
1369 }
1370 else
1371 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1372 DT_INT, call_data->caret,
1373 DT_INT, call_data->chg_first,
1374 DT_INT, call_data->chg_length,
1375 DT_END));
1376 }
1377
1378 #if 0
1379 static void
1380 xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1381 {
1382 ((rxvt_term *)client_data)->make_current ();
1383 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1384 DT_INT, call_data->position,
1385 DT_INT, call_data->direction,
1386 DT_INT, call_data->style,
1387 DT_END));
1388 }
1389 #endif
1390
1391 #endif
1392
1393 /*
1394 * Try to open a XIM with the current modifiers, then see if we can
1395 * open a suitable preedit type
1396 */
1397 bool
1398 rxvt_term::IM_get_IC (const char *modifiers)
1399 {
1400 int i, j, found;
1401 XIM xim;
1402 XPoint spot;
1403 XRectangle rect, status_rect, needed_rect;
1404 unsigned long fg, bg;
1405 const char *p;
1406 char **s;
1407 XIMStyles *xim_styles;
1408 #ifdef ENABLE_XIM_ONTHESPOT
1409 XIMCallback xcb[4];
1410 #endif
1411
1412 set_environ (envv);
1413
1414 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1415 return false;
1416
1417 input_method = display->get_xim (locale, modifiers);
1418 if (input_method == NULL)
1419 return false;
1420
1421 xim = input_method->xim;
1422 spot.x = spot.y = -1;
1423
1424 xim_styles = NULL;
1425 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1426 || !xim_styles || !xim_styles->count_styles)
1427 {
1428 im_destroy ();
1429 return false;
1430 }
1431
1432 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1433
1434 for (int pi = 0; pi < 2; pi++)
1435 {
1436 p = pet[pi];
1437
1438 if (!p)
1439 continue;
1440
1441 s = rxvt_splitcommastring (p);
1442
1443 for (i = found = 0; !found && s[i]; i++)
1444 {
1445 if (!strcmp (s[i], "OverTheSpot"))
1446 input_style = XIMPreeditPosition | XIMStatusNothing;
1447 else if (!strcmp (s[i], "OffTheSpot"))
1448 input_style = XIMPreeditArea | XIMStatusArea;
1449 else if (!strcmp (s[i], "Root"))
1450 input_style = XIMPreeditNothing | XIMStatusNothing;
1451 else if (!strcmp (s[i], "None"))
1452 input_style = XIMPreeditNone | XIMStatusNone;
1453 #ifdef ENABLE_XIM_ONTHESPOT
1454 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1455 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1456 #endif
1457 else
1458 input_style = XIMPreeditNothing | XIMStatusNothing;
1459
1460 for (j = 0; j < xim_styles->count_styles; j++)
1461 if (input_style == xim_styles->supported_styles[j])
1462 {
1463 rxvt_freecommastring (s);
1464
1465 found = 1;
1466 goto foundpet;
1467 }
1468
1469 }
1470
1471 rxvt_freecommastring (s);
1472 }
1473
1474 foundpet:
1475
1476 XFree (xim_styles);
1477
1478 if (!found)
1479 {
1480 im_destroy ();
1481 return false;
1482 }
1483
1484 XFontSet fs = 0;
1485 XVaNestedList preedit_attr = 0, status_attr = 0;
1486
1487 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1488 {
1489 // fake us a font-set, please
1490 char **missing_charset_list;
1491 int missing_charset_count;
1492 char *def_string;
1493 char pat[512];
1494
1495 sprintf (pat,
1496 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1497 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1498 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1499 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1500 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1501 "*",
1502 fheight,
1503 fheight + 1, fheight - 1,
1504 fheight - 2, fheight + 2);
1505
1506 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1507 &missing_charset_list, &missing_charset_count, &def_string);
1508
1509 if (missing_charset_list)
1510 XFreeStringList (missing_charset_list);
1511
1512 if (!fs)
1513 {
1514 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1515 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1516 }
1517 }
1518
1519 if (input_style & XIMPreeditPosition)
1520 {
1521 im_set_size (rect);
1522 im_set_position (spot);
1523 im_set_color (fg, bg);
1524
1525 preedit_attr = XVaCreateNestedList (0,
1526 XNForeground, fg,
1527 XNBackground, bg,
1528 XNArea, &rect,
1529 XNSpotLocation, &spot,
1530 XNFontSet, fs,
1531 NULL);
1532 }
1533 else if (input_style & XIMPreeditArea)
1534 {
1535 im_set_color (fg, bg);
1536
1537 /*
1538 * The necessary width of preedit area is unknown
1539 * until create input context.
1540 */
1541 needed_rect.width = 0;
1542 im_set_preedit_area (rect, status_rect, needed_rect);
1543
1544 preedit_attr = XVaCreateNestedList (0,
1545 XNForeground, fg,
1546 XNBackground, bg,
1547 XNArea, &rect,
1548 XNFontSet, fs,
1549 NULL);
1550 status_attr = XVaCreateNestedList (0,
1551 XNForeground, fg,
1552 XNBackground, bg,
1553 XNArea, &status_rect,
1554 XNFontSet, fs,
1555 NULL);
1556 }
1557 #if ENABLE_XIM_ONTHESPOT
1558 else if (input_style & XIMPreeditCallbacks)
1559 {
1560 im_set_position (spot);
1561
1562 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1563 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1564 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1565 # if 0
1566 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1567 # endif
1568
1569 preedit_attr = XVaCreateNestedList (0,
1570 XNSpotLocation, &spot,
1571 XNPreeditStartCallback, &xcb[0],
1572 XNPreeditDoneCallback , &xcb[1],
1573 XNPreeditDrawCallback , &xcb[2],
1574 # if 0
1575 XNPreeditCaretCallback, &xcb[3],
1576 # endif
1577 NULL);
1578 }
1579 #endif
1580
1581 Input_Context = XCreateIC (xim,
1582 XNInputStyle, input_style,
1583 XNClientWindow, vt,
1584 XNFocusWindow, parent[0],
1585 preedit_attr ? XNPreeditAttributes : NULL,
1586 preedit_attr,
1587 status_attr ? XNStatusAttributes : NULL,
1588 status_attr, NULL);
1589
1590 if (preedit_attr) XFree (preedit_attr);
1591 if (status_attr) XFree (status_attr);
1592 if (fs) XFreeFontSet (dpy, fs);
1593
1594 if (Input_Context == NULL)
1595 {
1596 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1597 im_destroy ();
1598 return false;
1599 }
1600
1601 #if 0
1602 // unfortunately, only the focus window is used by XIM, hard to fix
1603 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1604 vt_select_input ();
1605 #endif
1606
1607 IMSetPosition ();
1608
1609 return true;
1610 }
1611
1612 void
1613 rxvt_term::im_cb ()
1614 {
1615 int i;
1616 const char *p;
1617 char **s;
1618 char buf[IMBUFSIZ];
1619
1620 make_current ();
1621
1622 im_destroy ();
1623
1624 if (Input_Context)
1625 return;
1626
1627 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1628 if (rs[Rs_imLocale])
1629 SET_LOCALE (rs[Rs_imLocale]);
1630 #endif
1631
1632 p = rs[Rs_inputMethod];
1633 if (p && *p)
1634 {
1635 bool found = false;
1636
1637 s = rxvt_splitcommastring (p);
1638
1639 for (i = 0; s[i]; i++)
1640 {
1641 if (*s[i])
1642 {
1643 strcpy (buf, "@im=");
1644 strncat (buf, s[i], IMBUFSIZ - 5);
1645 if (IM_get_IC (buf))
1646 {
1647 found = true;
1648 break;
1649 }
1650 }
1651 }
1652
1653 rxvt_freecommastring (s);
1654
1655 if (found)
1656 goto done;
1657 }
1658
1659 /* try with XMODIFIERS env. var. */
1660 if (IM_get_IC (""))
1661 goto done;
1662
1663 /* try with no modifiers base IF the user didn't specify an IM */
1664 if (IM_get_IC ("@im=none"))
1665 goto done;
1666
1667 done:
1668 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1669 if (rs[Rs_imLocale])
1670 SET_LOCALE (locale);
1671 #endif
1672 }
1673
1674 void
1675 rxvt_term::IMSetPosition ()
1676 {
1677 XRectangle preedit_rect, status_rect, *needed_rect;
1678 XVaNestedList preedit_attr, status_attr;
1679
1680 if (!Input_Context
1681 || !focus
1682 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1683 || !IMisRunning ())
1684 return;
1685
1686 if (input_style & XIMPreeditPosition)
1687 {
1688 im_set_size (preedit_rect);
1689 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1690
1691 XSetICValues (Input_Context,
1692 XNPreeditAttributes, preedit_attr, NULL);
1693 }
1694 else
1695 {
1696 /* Getting the necessary width of preedit area */
1697 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1698 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1699 XFree (status_attr);
1700
1701 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1702 XFree (needed_rect);
1703
1704 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1705 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1706
1707 XSetICValues (Input_Context,
1708 XNPreeditAttributes, preedit_attr,
1709 XNStatusAttributes, status_attr,
1710 NULL);
1711
1712 XFree (status_attr);
1713 }
1714
1715 XFree (preedit_attr);
1716 }
1717 #endif /* USE_XIM */
1718
1719 void
1720 rxvt_term::get_window_origin (int &x, int &y)
1721 {
1722 Window cr;
1723 XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
1724 /* fprintf( stderr, "origin is %+d%+d\n", x, y);*/
1725 }
1726
1727 Pixmap
1728 rxvt_term::get_pixmap_property (int prop_id)
1729 {
1730 if (prop_id > 0 && prop_id < NUM_XA)
1731 if (xa[prop_id])
1732 {
1733 int aformat;
1734 unsigned long nitems, bytes_after;
1735 Atom atype;
1736 unsigned char *prop = NULL;
1737 int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
1738 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1739 &nitems, &bytes_after, &prop);
1740 if (result == Success && prop && atype == XA_PIXMAP)
1741 {
1742 return *(Pixmap *)prop;
1743 }
1744 }
1745 return None;
1746 }
1747
1748 #ifdef HAVE_BG_PIXMAP
1749 # if TRACE_PIXMAPS
1750 # undef update_background
1751 int rxvt_term::trace_update_background (const char *file, int line)
1752 {
1753 fprintf (stderr, "%s:%d:update_background()\n", file, line);
1754 update_background ();
1755 }
1756 # endif
1757
1758 int
1759 rxvt_term::update_background ()
1760 {
1761 bgPixmap.invalidate ();
1762
1763 /* no chance of real time refresh if we are blurring! */
1764 if (bgPixmap.invalid_since + 0.5 < ev::now () && !(bgPixmap.flags & bgPixmap_t::blurNeeded))
1765 bgPixmap.render ();
1766 else
1767 {
1768 update_background_ev.stop ();
1769
1770 if (!bgPixmap.need_client_side_rendering())
1771 update_background_ev.start (.05);
1772 else if (bgPixmap.flags & bgPixmap_t::blurNeeded)
1773 update_background_ev.start (.20); /* very slow !!! */
1774 else
1775 update_background_ev.start (.07);
1776 }
1777
1778 return 0;
1779 }
1780
1781 void
1782 rxvt_term::update_background_cb (ev::timer &w, int revents)
1783 {
1784 bgPixmap.render ();
1785 }
1786
1787 #endif /* HAVE_BG_PIXMAP */
1788
1789 /*----------------------- end-of-file (C source) -----------------------*/