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Revision: 1.386
Committed: Sun Dec 30 11:52:15 2012 UTC (11 years, 4 months ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.385: +1 -1 lines
Log Message:
Simplify reset of bg_flags.

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) 2003-2010 Marc Lehmann <schmorp@schmorp.de>
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 "init.h"
36 #include "keyboard.h"
37 #include "rxvtperl.h"
38
39 #include <limits>
40
41 #include <assert.h>
42 #include <signal.h>
43 #include <string.h>
44
45 #include <termios.h>
46
47 #ifdef HAVE_XSETLOCALE
48 # define X_LOCALE
49 # include <X11/Xlocale.h>
50 #else
51 # include <locale.h>
52 #endif
53
54 struct termios rxvt_term::def_tio;
55 vector<rxvt_term *> rxvt_term::termlist;
56
57 // used to tell global functions which terminal instance is "active"
58 rxvt_t rxvt_current_term;
59
60 static char curlocale[128], savelocale[128];
61
62 bool
63 rxvt_set_locale (const char *locale) NOTHROW
64 {
65 int size = strlen (locale) + 1;
66
67 if (size > sizeof (curlocale))
68 rxvt_fatal ("locale string too long, aborting.\n");
69
70 if (!locale || !memcmp (locale, curlocale, size))
71 return false;
72
73 memcpy (curlocale, locale, size);
74 setlocale (LC_CTYPE, curlocale);
75 return true;
76 }
77
78 void
79 rxvt_push_locale (const char *locale) NOTHROW
80 {
81 strcpy (savelocale, curlocale);
82 rxvt_set_locale (locale);
83 }
84
85 void
86 rxvt_pop_locale () NOTHROW
87 {
88 rxvt_set_locale (savelocale);
89 }
90
91 #if ENABLE_COMBINING
92 class rxvt_composite_vec rxvt_composite;
93
94 text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
95 {
96 compose_char *cc;
97
98 // break compose chains, as stupid readline really likes to duplicate
99 // composing characters for some reason, near the end of a line.
100 cc = (*this)[c1];
101 while (cc)
102 {
103 if (cc->c2 == c2) return c1;
104 cc = (*this)[cc->c1];
105 }
106
107 // check to see whether this combination already exists otherwise
108 for (cc = v.begin (); cc < v.end (); cc++)
109 if (cc->c1 == c1 && cc->c2 == c2)
110 return COMPOSE_LO + (cc - v.begin ());
111
112 // allocate a new combination
113 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
114 {
115 static int seen;
116
117 if (!seen++)
118 rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
119
120 return REPLACEMENT_CHAR;
121 }
122
123 v.push_back (compose_char (c1, c2));
124
125 return v.size () - 1 + COMPOSE_LO;
126 }
127
128 int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
129 {
130 compose_char *cc = (*this)[c];
131
132 if (!cc)
133 {
134 if (r) *r = c;
135 return 1;
136 }
137
138 int len = expand (cc->c1, r);
139
140 if (r) r += len;
141
142 if (cc->c2 != NOCHAR)
143 {
144 len++;
145 if (r) *r++ = cc->c2;
146 }
147
148 return len;
149
150 }
151 #endif
152
153 rxvt_term::rxvt_term ()
154 {
155 #if HAVE_BG_PIXMAP
156 update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
157 #endif
158 #ifdef CURSOR_BLINK
159 cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
160 #endif
161 #ifdef TEXT_BLINK
162 text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
163 #endif
164 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
165 cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
166 #endif
167 #ifdef SELECTION_SCROLLING
168 sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
169 #endif
170 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
171 slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
172 #endif
173 #if BG_IMAGE_FROM_ROOT || ENABLE_PERL
174 rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
175 #endif
176 scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
177 #if USE_XIM
178 im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
179 #endif
180 #ifdef POINTER_BLANK
181 pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
182 #endif
183 #ifndef NO_BELL
184 bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
185 #endif
186 child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
187 flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
188 destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
189 pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
190 termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
191 vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
192
193 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
194
195 termlist.push_back (this);
196
197 #ifdef KEYSYM_RESOURCE
198 keyboard = new keyboard_manager;
199 #endif
200 }
201
202 // clean up the most important stuff, do *not* call x or free mem etc.
203 // for use before an emergency exit
204 void
205 rxvt_term::emergency_cleanup ()
206 {
207 if (cmd_pid)
208 kill (-cmd_pid, SIGHUP);
209
210 pty_ev.stop ();
211 delete pty; pty = 0;
212 }
213
214 rxvt_term::~rxvt_term ()
215 {
216 termlist.erase (find (termlist.begin (), termlist.end(), this));
217
218 emergency_cleanup ();
219
220 #if ENABLE_STYLES
221 for (int i = RS_styleCount; --i; )
222 if (fontset[i] != fontset[0])
223 delete fontset[i];
224 #endif
225 delete fontset[0];
226
227 #ifdef HAVE_BG_PIXMAP
228 bg_destroy ();
229 #endif
230
231 #if HAVE_IMG
232 delete bg_img;
233 #endif
234
235 if (display)
236 {
237 selection_clear ();
238 selection_clear (true);
239
240 #if USE_XIM
241 im_destroy ();
242 #endif
243 scrollBar.destroy ();
244 if (gc) XFreeGC (dpy, gc);
245
246 delete drawable;
247 // destroy all windows
248 if (parent)
249 XDestroyWindow (dpy, parent);
250
251 for (int i = 0; i < TOTAL_COLORS; i++)
252 if (ISSET_PIXCOLOR (i))
253 {
254 pix_colors_focused [i].free (this);
255 #if OFF_FOCUS_FADING
256 pix_colors_unfocused [i].free (this);
257 #endif
258 }
259
260 clear ();
261
262 display->flush (); /* ideally .put should do this */
263 displays.put (display);
264 }
265
266 scr_release ();
267
268 /* clear all resources */
269 for (int i = 0; i < allocated.size (); i++)
270 free (allocated [i]);
271
272 free (selection.text);
273 free (selection.clip_text);
274 free (locale);
275 free (v_buffer);
276
277 delete selection_req;
278
279 delete envv;
280 delete argv;
281
282 #ifdef KEYSYM_RESOURCE
283 delete keyboard;
284 #endif
285 #ifndef NO_RESOURCES
286 XrmDestroyDatabase (option_db);
287 #endif
288 }
289
290 // child has exited, usually destroys
291 void
292 rxvt_term::child_cb (ev::child &w, int status)
293 {
294 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
295
296 cmd_pid = 0;
297
298 if (!option (Opt_hold))
299 destroy ();
300 }
301
302 void
303 rxvt_term::destroy ()
304 {
305 if (destroy_ev.is_active ())
306 return;
307
308 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
309
310 #if ENABLE_OVERLAY
311 scr_overlay_off ();
312 #endif
313
314 if (display)
315 {
316 #if USE_XIM
317 im_ev.stop (display);
318 #endif
319 scrollbar_ev.stop (display);
320 #if BG_IMAGE_FROM_ROOT || ENABLE_PERL
321 rootwin_ev.stop (display);
322 #endif
323 termwin_ev.stop (display);
324 vt_ev.stop (display);
325 }
326
327 flush_ev.stop ();
328 pty_ev.stop ();
329 #ifdef CURSOR_BLINK
330 cursor_blink_ev.stop ();
331 #endif
332 #ifdef TEXT_BLINK
333 text_blink_ev.stop ();
334 #endif
335 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
336 cont_scroll_ev.stop ();
337 #endif
338 #ifdef SELECTION_SCROLLING
339 sel_scroll_ev.stop ();
340 #endif
341 #ifdef POINTER_BLANK
342 pointer_ev.stop ();
343 #endif
344
345 destroy_ev.start ();
346 }
347
348 void
349 rxvt_term::destroy_cb (ev::idle &w, int revents)
350 {
351 make_current ();
352
353 delete this;
354 }
355
356 void
357 rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
358 {
359 if (!opt)
360 return;
361
362 uint8_t mask = 1 << (opt & 7);
363 uint8_t &val = options [opt >> 3];
364
365 val = val & ~mask | (set ? mask : 0);
366 }
367
368 /*----------------------------------------------------------------------*/
369 /*
370 * Exit gracefully, clearing the utmp entry and restoring tty attributes
371 */
372 static XErrorHandler old_xerror_handler;
373
374 static void
375 rxvt_emergency_cleanup ()
376 {
377 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
378 (*t)->emergency_cleanup ();
379 }
380
381 #if !ENABLE_MINIMAL
382 static void ecb_cold
383 print_x_error (Display *dpy, XErrorEvent *event)
384 {
385 char buffer[BUFSIZ];
386 char mesg[BUFSIZ];
387 char number[32];
388
389 rxvt_warn ("An X Error occurred, trying to continue after report.\n");
390
391 XGetErrorDatabaseText (dpy, "XlibMessage", "ErrorSerial", "Error Serial #%d", mesg, BUFSIZ);
392 snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->serial);
393
394 XGetErrorText (dpy, event->error_code, buffer, BUFSIZ);
395 XGetErrorDatabaseText (dpy, "XlibMessage", "XError", "X Error", mesg, BUFSIZ);
396 rxvt_warn ("+ %s: %s\n", mesg, buffer);
397
398 XGetErrorDatabaseText (dpy, "XlibMessage", "MajorCode", "Request Major code %d", mesg, BUFSIZ);
399 snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->request_code);
400
401 if (event->request_code >= 128)
402 {
403 #if 0
404 /* XListExtensions and probably query extensions hangs when there are multiple queues errors */
405 int nexts;
406 char **exts = XListExtensions (dpy, &nexts);
407
408 while (nexts)
409 {
410 char *extname = exts [nexts - 1];
411 int major, first_event, first_error;
412
413 if (XQueryExtension (dpy, extname, &major, &first_event, &first_error) && major == event->request_code)
414 {
415 XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
416 rxvt_warn ("+ (which is extension %s minor code %d)\n", extname, event->minor_code);
417
418 snprintf (buffer, BUFSIZ, "%s.%d", extname, event->minor_code);
419 XGetErrorDatabaseText (dpy, "XRequest", buffer, "an unregistered minor code", buffer, BUFSIZ);
420 rxvt_warn ("+ (which is %s)\n", buffer);
421
422 break;
423 }
424
425 printf ("nextss %d %s\n", nexts, extname);//D
426 --nexts;
427 ++exts;
428 }
429 #else
430 int nexts = 0;
431 char **exts = 0;
432 #endif
433
434 if (!nexts)
435 {
436 rxvt_warn ("+ (which is an unknown extension)\n", buffer);
437
438 XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
439 snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->minor_code);
440
441 #if 0
442 sprintf (number, "RENDER.%d", event->minor_code);
443 XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
444 rxvt_warn ("+ (which is %s)\n", buffer);
445 #endif
446 }
447
448 XFreeExtensionList (exts);
449 }
450 else
451 {
452 sprintf (number, "%d", event->request_code);
453 XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
454 rxvt_warn ("+ (which is %s)\n", buffer);
455 }
456
457 if (event->error_code == BadWindow
458 || event->error_code == BadPixmap
459 || event->error_code == BadCursor
460 || event->error_code == BadFont
461 || event->error_code == BadDrawable
462 || event->error_code == BadColor
463 || event->error_code == BadGC
464 || event->error_code == BadIDChoice
465 || event->error_code == BadValue
466 || event->error_code == BadAtom)
467 {
468 if (event->error_code == BadValue)
469 XGetErrorDatabaseText (dpy, "XlibMessage", "Value", "Value 0x%x", mesg, BUFSIZ);
470 else if (event->error_code == BadAtom)
471 XGetErrorDatabaseText (dpy, "XlibMessage", "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
472 else
473 XGetErrorDatabaseText (dpy, "XlibMessage", "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
474
475 snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->resourceid);
476 }
477 }
478 #endif
479
480 int ecb_cold
481 rxvt_xerror_handler (Display *display, XErrorEvent *event)
482 {
483 if (GET_R->allowedxerror == -1)
484 GET_R->allowedxerror = event->error_code;
485 else
486 {
487 // GET_R is most likely not the terminal which caused the error,
488 // so just output the error and continue
489 #if ENABLE_MINIMAL
490 old_xerror_handler (display, event);
491 #else
492 print_x_error (display, event);
493 #endif
494 }
495
496 return 0;
497 }
498
499 int ecb_cold
500 rxvt_xioerror_handler (Display *display)
501 {
502 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
503 DisplayString (display));
504 rxvt_emergency_cleanup ();
505 _exit (EXIT_FAILURE);
506 }
507
508 static struct sig_handlers
509 {
510 ev::sig sw_term, sw_int;
511
512 /*
513 * Catch a fatal signal and tidy up before quitting
514 */
515 void sig_term (ev::sig &w, int revents);
516
517 sig_handlers ()
518 {
519 sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
520 sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
521 }
522 } sig_handlers;
523
524 void
525 sig_handlers::sig_term (ev::sig &w, int revents)
526 {
527 rxvt_emergency_cleanup ();
528 w.stop ();
529 kill (getpid (), w.signum);
530 }
531
532 static void
533 rxvt_get_ttymode (struct termios *tio)
534 {
535 if (tcgetattr (STDIN_FILENO, tio) < 0)
536 memset (tio, 0, sizeof (struct termios));
537
538 for (int i = 0; i < NCCS; i++)
539 tio->c_cc[i] = VDISABLE;
540
541 tio->c_cc[VINTR] = CINTR;
542 tio->c_cc[VQUIT] = CQUIT;
543 tio->c_cc[VERASE] = CERASE;
544 #ifdef VERASE2
545 tio->c_cc[VERASE2] = CERASE2;
546 #endif
547 tio->c_cc[VKILL] = CKILL;
548 tio->c_cc[VEOF] = CEOF;
549 tio->c_cc[VSTART] = CSTART;
550 tio->c_cc[VSTOP] = CSTOP;
551 tio->c_cc[VSUSP] = CSUSP;
552 # ifdef VDSUSP
553 tio->c_cc[VDSUSP] = CDSUSP;
554 # endif
555 # ifdef VREPRINT
556 tio->c_cc[VREPRINT] = CRPRNT;
557 # endif
558 # ifdef VDISCRD
559 tio->c_cc[VDISCRD] = CFLUSH;
560 # endif
561 # ifdef VWERSE
562 tio->c_cc[VWERSE] = CWERASE;
563 # endif
564 # ifdef VLNEXT
565 tio->c_cc[VLNEXT] = CLNEXT;
566 # endif
567 # ifdef VSTATUS
568 tio->c_cc[VSTATUS] = CSTATUS;
569 # endif
570
571 # if VMIN != VEOF
572 tio->c_cc[VMIN] = 1;
573 # endif
574 # if VTIME != VEOL
575 tio->c_cc[VTIME] = 0;
576 # endif
577
578 /* input modes */
579 tio->c_iflag = (BRKINT | IGNPAR | ICRNL
580 # ifdef IMAXBEL
581 | IMAXBEL
582 # endif
583 | IXON);
584
585 /* output modes */
586 tio->c_oflag = (OPOST | ONLCR);
587
588 /* control modes */
589 tio->c_cflag = (CS8 | CREAD);
590
591 /* local modes */
592 tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
593 # if defined (ECHOCTL) && defined (ECHOKE)
594 | ECHOCTL | ECHOKE
595 # endif
596 | ECHOE | ECHOK);
597 }
598
599 char **rxvt_environ; // startup environment
600
601 void
602 rxvt_init ()
603 {
604 assert (("fontMask must not overlap other RS masks",
605 0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
606
607 rxvt_get_ttymode (&rxvt_term::def_tio);
608
609 // get rid of stdin/stdout as we don't need them, to free resources
610 dup2 (STDERR_FILENO, STDIN_FILENO);
611 dup2 (STDERR_FILENO, STDOUT_FILENO);
612
613 if (!ev_default_loop ())
614 rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
615
616 rxvt_environ = environ;
617
618 signal (SIGHUP, SIG_IGN);
619 signal (SIGPIPE, SIG_IGN);
620
621 sig_handlers.sw_term.start (SIGTERM); ev_unref ();
622 sig_handlers.sw_int.start (SIGINT); ev_unref ();
623
624 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
625 // TODO: handle this with exceptions and tolerate the memory loss
626 XSetIOErrorHandler (rxvt_xioerror_handler);
627
628 XrmInitialize ();
629
630 #if HAVE_PIXBUF
631 g_type_init ();
632 #endif
633 }
634
635 /*----------------------------------------------------------------------*/
636 /*
637 * window size/position calculations for XSizeHint and other storage.
638 * if width/height are non-zero then override calculated width/height
639 */
640 void
641 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
642 {
643 short recalc_x, recalc_y;
644 int x, y, flags;
645 unsigned int w, h;
646 unsigned int max_width, max_height;
647
648 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
649 szHint.win_gravity = NorthWestGravity;
650 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
651
652 recalc_x = recalc_y = 0;
653 flags = 0;
654
655 if (!parsed_geometry)
656 {
657 parsed_geometry = 1;
658
659 if (rs[Rs_geometry])
660 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
661
662 if (flags & WidthValue)
663 {
664 if (!w)
665 rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
666
667 ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
668 szHint.flags |= USSize;
669 }
670
671 if (flags & HeightValue)
672 {
673 if (!h)
674 rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
675
676 nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
677 szHint.flags |= USSize;
678 }
679
680 if (flags & XValue)
681 {
682 szHint.x = x;
683 szHint.flags |= USPosition;
684
685 if (flags & XNegative)
686 {
687 recalc_x = 1;
688 szHint.win_gravity = NorthEastGravity;
689 }
690 }
691
692 if (flags & YValue)
693 {
694 szHint.y = y;
695 szHint.flags |= USPosition;
696
697 if (flags & YNegative)
698 {
699 recalc_y = 1;
700
701 if (szHint.win_gravity == NorthEastGravity)
702 szHint.win_gravity = SouthEastGravity;
703 else
704 szHint.win_gravity = SouthWestGravity;
705 }
706 }
707 }
708
709 /* TODO: BOUNDS */
710 width = ncol * fwidth;
711 height = nrow * fheight;
712 max_width = MAX_COLS * fwidth;
713 max_height = MAX_ROWS * fheight;
714
715 szHint.base_width = szHint.base_height = 2 * int_bwidth;
716
717 window_vt_x = window_vt_y = int_bwidth;
718
719 if (scrollBar.state)
720 {
721 int sb_w = scrollBar.total_width ();
722 szHint.base_width += sb_w;
723
724 if (!option (Opt_scrollBar_right))
725 window_vt_x += sb_w;
726 }
727
728 szHint.width_inc = fwidth;
729 szHint.height_inc = fheight;
730 szHint.min_width = szHint.base_width + szHint.width_inc;
731 szHint.min_height = szHint.base_height + szHint.height_inc;
732
733 if (newwidth && newwidth - szHint.base_width < max_width)
734 {
735 szHint.width = newwidth;
736 width = newwidth - szHint.base_width;
737 }
738 else
739 {
740 min_it (width, max_width);
741 szHint.width = szHint.base_width + width;
742 }
743
744 if (newheight && newheight - szHint.base_height < max_height)
745 {
746 szHint.height = newheight;
747 height = newheight - szHint.base_height;
748 }
749 else
750 {
751 min_it (height, max_height);
752 szHint.height = szHint.base_height + height;
753 }
754
755 if (recalc_x)
756 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
757
758 if (recalc_y)
759 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
760
761 ncol = width / fwidth;
762 nrow = height / fheight;
763
764 // When the size of the vt window is not a multiple of the cell
765 // size, i.e., when the wm does not honour our size hints, there are
766 // extra areas not covered by the terminal screen. Such gaps, when a
767 // bg pixmap is set, would have to be cleared manually to properly
768 // refresh the background. We take the simpler route and shrink the
769 // vt window so as to avoid creating gaps.
770 vt_width = ncol * fwidth;
771 vt_height = nrow * fheight;
772 }
773
774 /*----------------------------------------------------------------------*/
775 /*
776 * Tell the teletype handler what size the window is.
777 * Called after a window size change.
778 */
779 void
780 rxvt_term::tt_winch ()
781 {
782 if (pty->pty < 0)
783 return;
784
785 struct winsize ws;
786
787 ws.ws_col = ncol;
788 ws.ws_row = nrow;
789 ws.ws_xpixel = vt_width;
790 ws.ws_ypixel = vt_height;
791 ioctl (pty->pty, TIOCSWINSZ, &ws);
792
793 #if 0
794 // TIOCSWINSZ is supposed to do this automatically and correctly
795 if (cmd_pid) /* force through to the command */
796 kill (-cmd_pid, SIGWINCH);
797 #endif
798 }
799
800 /*----------------------------------------------------------------------*/
801 /* load and set the various fonts */
802 bool
803 rxvt_term::set_fonts ()
804 {
805 rxvt_fontset *fs = new rxvt_fontset (this);
806 rxvt_fontprop prop;
807
808 if (!fs
809 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
810 || !fs->realize_font (1))
811 {
812 delete fs;
813 return false;
814 }
815
816 #if ENABLE_STYLES
817 for (int i = RS_styleCount; --i; )
818 if (fontset[i] != fontset[0])
819 delete fontset[i];
820 #endif
821
822 delete fontset[0];
823 fontset[0] = fs;
824
825 prop = (*fs)[rxvt_fontset::firstFont]->properties ();
826 prop.width = max (prop.width + letterSpace, 1);
827
828 fs->set_prop (prop, false);
829
830 fwidth = prop.width;
831 fheight = prop.height + lineSpace;
832 fbase = prop.ascent;
833
834 for (int style = 1; style < 4; style++)
835 {
836 #if ENABLE_STYLES
837 const char *res = rs[Rs_font + style];
838
839 if (res && !*res)
840 fontset[style] = fontset[0];
841 else
842 {
843 fontset[style] = fs = new rxvt_fontset (this);
844 rxvt_fontprop prop2 = prop;
845
846 if (res)
847 {
848 fs->populate (res);
849 fs->set_prop (prop2, false);
850 }
851 else
852 {
853 fs->populate (fontset[0]->fontdesc);
854
855 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
856 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
857
858 fs->set_prop (prop2, true);
859 }
860
861 }
862 #else
863 fontset[style] = fontset[0];
864 #endif
865 }
866
867 if (parent)
868 {
869 resize_all_windows (0, 0, 0);
870 scr_remap_chars ();
871 scr_touch (true);
872 }
873
874 return true;
875 }
876
877 void
878 rxvt_term::set_string_property (Atom prop, const char *str, int len)
879 {
880 XChangeProperty (dpy, parent,
881 prop, XA_STRING, 8, PropModeReplace,
882 (const unsigned char *)str, len >= 0 ? len : strlen (str));
883 }
884
885 void
886 rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
887 {
888 XTextProperty ct;
889
890 if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
891 {
892 XSetTextProperty (dpy, parent, &ct, prop);
893 XFree (ct.value);
894 }
895 }
896
897 void
898 rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
899 {
900 wchar_t *ws = rxvt_mbstowcs (str, len);
901 char *s = rxvt_wcstoutf8 (ws);
902
903 XChangeProperty (dpy, parent,
904 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
905 (const unsigned char *)s, strlen (s));
906
907 free (s);
908 free (ws);
909 }
910
911 /*----------------------------------------------------------------------*/
912 /*----------------------------------------------------------------------*/
913 /* xterm sequences - title, iconName, color (exptl) */
914 void
915 rxvt_term::set_title (const char *str)
916 {
917 set_mbstring_property (XA_WM_NAME, str);
918 #if ENABLE_EWMH
919 set_utf8_property (xa[XA_NET_WM_NAME], str);
920 #endif
921 }
922
923 void
924 rxvt_term::set_icon_name (const char *str)
925 {
926 set_mbstring_property (XA_WM_ICON_NAME, str);
927 #if ENABLE_EWMH
928 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
929 #endif
930 }
931
932 void
933 rxvt_term::set_window_color (int idx, const char *color)
934 {
935 #ifdef XTERM_COLOR_CHANGE
936 rxvt_color xcol;
937
938 if (color == NULL || *color == '\0')
939 return;
940
941 color = strdup (color);
942 allocated.push_back ((void *)color);
943 rs[Rs_color + idx] = color;
944
945 /* handle color aliases */
946 if (isdigit (*color))
947 {
948 int i = atoi (color);
949
950 if (i >= 8 && i <= 15)
951 {
952 /* bright colors */
953 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
954 goto done;
955 }
956
957 if (i >= 0 && i <= 7)
958 {
959 /* normal colors */
960 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
961 goto done;
962 }
963 }
964
965 set_color (xcol, color);
966
967 /*
968 * FIXME: should free colors here, but no idea how to do it so instead,
969 * so just keep gobbling up the colormap
970 */
971
972 pix_colors_focused[idx] = xcol;
973
974 done:
975 /*TODO: handle Color_BD, scrollbar background, etc. */
976
977 update_fade_color (idx);
978 recolour_cursor ();
979 scr_recolour ();
980 #endif /* XTERM_COLOR_CHANGE */
981 }
982
983 void
984 rxvt_term::recolour_cursor ()
985 {
986 XColor fg, bg;
987
988 (ISSET_PIXCOLOR (Color_pointer_fg)
989 ? pix_colors_focused[Color_pointer_fg]
990 : pix_colors_focused[Color_fg]).get (fg);
991
992 (ISSET_PIXCOLOR (Color_pointer_bg)
993 ? pix_colors_focused[Color_pointer_bg]
994 : pix_colors_focused[Color_bg]).get (bg);
995
996 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
997 }
998
999 /*----------------------------------------------------------------------*/
1000 /*
1001 * find if fg/bg matches any of the normal (low-intensity) colors
1002 */
1003 char *
1004 rxvt_term::get_colorfgbg ()
1005 {
1006 unsigned int i;
1007 const char *xpmb = "";
1008 char fstr[] = "default";
1009 char bstr[] = "default";
1010 char *env_colorfgbg;
1011
1012 for (i = Color_Black; i <= Color_White; i++)
1013 if (pix_colors[Color_fg] == pix_colors[i])
1014 {
1015 sprintf (fstr, "%d", i - Color_Black);
1016 break;
1017 }
1018
1019 for (i = Color_Black; i <= Color_White; i++)
1020 if (pix_colors[Color_bg] == pix_colors[i])
1021 {
1022 sprintf (bstr, "%d", i - Color_Black);
1023 #if BG_IMAGE_FROM_FILE
1024 xpmb = "default;";
1025 #endif
1026 break;
1027 }
1028
1029 env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
1030 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1031 return env_colorfgbg;
1032 }
1033
1034 /*----------------------------------------------------------------------*/
1035
1036 bool
1037 rxvt_term::set_color (rxvt_color &color, const char *name)
1038 {
1039 if (color.set (this, name))
1040 return true;
1041
1042 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1043 return false;
1044 }
1045
1046 void
1047 rxvt_term::alias_color (int dst, int src)
1048 {
1049 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1050 }
1051
1052 /* -------------------------------------------------------------------- *
1053 * - WINDOW RESIZING - *
1054 * -------------------------------------------------------------------- */
1055 void
1056 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1057 {
1058 int fix_screen;
1059 int old_width = szHint.width;
1060 int old_height = szHint.height;
1061
1062 window_calc (newwidth, newheight);
1063
1064 bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
1065
1066 // to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
1067 if (set_hint)
1068 {
1069 szHint.flags &= ~(PBaseSize | PResizeInc);
1070 XSetWMNormalHints (dpy, parent, &szHint);
1071 szHint.flags |= PBaseSize | PResizeInc;
1072 }
1073
1074 if (!ignoreparent)
1075 {
1076 #ifdef SMART_RESIZE
1077 /*
1078 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1079 * reposition window on resize depending on placement on screen
1080 */
1081 int x, y, x1, y1;
1082 int dx, dy;
1083 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1084 Window unused_cr;
1085
1086 XTranslateCoordinates (dpy, parent, display->root,
1087 0, 0, &x, &y, &unused_cr);
1088 XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
1089 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1090 /*
1091 * if display->root isn't the parent window, a WM will probably have offset
1092 * our position for handles and decorations. Counter it
1093 */
1094 if (x1 != x || y1 != y)
1095 {
1096 x -= x1;
1097 y -= y1;
1098 }
1099
1100 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1101 y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1102 dx = old_width - szHint.width;
1103 dy = old_height - szHint.height;
1104
1105 /* Check position of the center of the window */
1106 if (x < x1) /* left half */
1107 dx = 0;
1108 else if (x == x1) /* exact center */
1109 dx /= 2;
1110 if (y < y1) /* top half */
1111 dy = 0;
1112 else if (y == y1) /* exact center */
1113 dy /= 2;
1114
1115 XMoveResizeWindow (dpy, parent, x + dx, y + dy,
1116 szHint.width, szHint.height);
1117 #else
1118 XResizeWindow (dpy, parent, szHint.width, szHint.height);
1119 #endif
1120 }
1121
1122 if (set_hint)
1123 XSetWMNormalHints (dpy, parent, &szHint);
1124
1125 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1126
1127 if (fix_screen || newwidth != old_width || newheight != old_height)
1128 {
1129 if (scrollBar.state)
1130 scrollBar.resize ();
1131
1132 XMoveResizeWindow (dpy, vt,
1133 window_vt_x, window_vt_y,
1134 vt_width, vt_height);
1135
1136 HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
1137
1138 #ifdef HAVE_BG_PIXMAP
1139 if (bg_window_size_sensitive ())
1140 update_background ();
1141 #endif
1142 }
1143
1144 if (fix_screen || old_height == 0)
1145 scr_reset ();
1146
1147 #if USE_XIM
1148 im_set_position ();
1149 #endif
1150 }
1151
1152 /*
1153 * Set the width/height of the vt window in characters. Units are pixels.
1154 * good for toggling 80/132 columns
1155 */
1156 void
1157 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1158 {
1159 XWindowAttributes wattr;
1160
1161 if (newwidth == 0 || newheight == 0)
1162 {
1163 XGetWindowAttributes (dpy, display->root, &wattr);
1164
1165 if (newwidth == 0)
1166 newwidth = wattr.width - szHint.base_width;
1167 if (newheight == 0)
1168 newheight = wattr.height - szHint.base_height;
1169 }
1170
1171 if (newwidth != vt_width || newheight != vt_height)
1172 {
1173 newwidth += szHint.base_width;
1174 newheight += szHint.base_height;
1175 resize_all_windows (newwidth, newheight, 0);
1176 }
1177 }
1178
1179 /* -------------------------------------------------------------------- *
1180 * - X INPUT METHOD ROUTINES - *
1181 * -------------------------------------------------------------------- */
1182 #if USE_XIM
1183
1184 void
1185 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1186 {
1187 fg = pix_colors [Color_fg];
1188 bg = pix_colors [Color_bg];
1189 }
1190
1191 void
1192 rxvt_term::im_set_size (XRectangle &size)
1193 {
1194 // the int_bwidth terms make no sense to me
1195 size.x = int_bwidth;
1196 size.y = int_bwidth;
1197 size.width = Width2Pixel (ncol) + int_bwidth;
1198 size.height = Height2Pixel (nrow) + int_bwidth;
1199 }
1200
1201 void
1202 rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1203 XRectangle &status_rect,
1204 const XRectangle &needed_rect)
1205 {
1206 preedit_rect.x = needed_rect.width;
1207 preedit_rect.y = 0;
1208 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1209 preedit_rect.height = fheight;
1210
1211 status_rect.x = 0;
1212 status_rect.y = 0;
1213 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1214 status_rect.height = fheight;
1215 }
1216
1217 /* Checking whether input method is running. */
1218 bool
1219 rxvt_term::im_is_running ()
1220 {
1221 Atom atom;
1222 Window win;
1223 char server[IMBUFSIZ];
1224
1225 /* get current locale modifier */
1226 if (char *p = XSetLocaleModifiers (0))
1227 {
1228 strcpy (server, "@server=");
1229 strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
1230
1231 if (p = strchr (server + 1, '@')) /* first one only */
1232 *p = '\0';
1233
1234 atom = XInternAtom (dpy, server, False);
1235 win = XGetSelectionOwner (dpy, atom);
1236
1237 if (win != None)
1238 return true;
1239 }
1240
1241 return false;
1242 }
1243
1244 void
1245 rxvt_term::im_send_spot ()
1246 {
1247 XPoint nspot;
1248 XVaNestedList preedit_attr;
1249
1250 if (!Input_Context
1251 || !focus
1252 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1253 return;
1254
1255 im_set_position (nspot);
1256
1257 if (nspot.x == spot.x && nspot.y == spot.y)
1258 return;
1259
1260 spot = nspot;
1261
1262 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1263 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1264 XFree (preedit_attr);
1265 }
1266
1267 void
1268 rxvt_term::im_destroy ()
1269 {
1270 if (input_method)
1271 {
1272 if (Input_Context && input_method->xim)
1273 XDestroyIC (Input_Context);
1274
1275 display->put_xim (input_method);
1276 input_method = 0;
1277 }
1278
1279 Input_Context = 0;
1280 }
1281
1282 #ifdef ENABLE_XIM_ONTHESPOT
1283
1284 static void
1285 xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1286 {
1287 ((rxvt_term *)client_data)->make_current ();
1288 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1289 }
1290
1291 static void
1292 xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1293 {
1294 ((rxvt_term *)client_data)->make_current ();
1295 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1296 }
1297
1298 static void
1299 xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1300 {
1301 rxvt_term *term = (rxvt_term *)client_data;
1302 XIMText *text = call_data->text;
1303
1304 term->make_current ();
1305
1306 if (text)
1307 {
1308 wchar_t *str;
1309
1310 if (!text->encoding_is_wchar && text->string.multi_byte)
1311 {
1312 // of course, X makes it ugly again
1313 if (term->rs[Rs_imLocale])
1314 SET_LOCALE (term->rs[Rs_imLocale]);
1315
1316 str = rxvt_temp_buf<wchar_t> (text->length + 1);
1317 mbstowcs (str, text->string.multi_byte, text->length + 1);
1318
1319 if (term->rs[Rs_imLocale])
1320 SET_LOCALE (term->locale);
1321 }
1322 else
1323 str = text->string.wide_char;
1324
1325 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1326 DT_INT, call_data->caret,
1327 DT_INT, call_data->chg_first,
1328 DT_INT, call_data->chg_length,
1329 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1330 DT_WCS_LEN, str, str ? (int)text->length : 0,
1331 DT_END));
1332 }
1333 else
1334 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1335 DT_INT, call_data->caret,
1336 DT_INT, call_data->chg_first,
1337 DT_INT, call_data->chg_length,
1338 DT_END));
1339 }
1340
1341 #if 0
1342 static void
1343 xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1344 {
1345 ((rxvt_term *)client_data)->make_current ();
1346 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1347 DT_INT, call_data->position,
1348 DT_INT, call_data->direction,
1349 DT_INT, call_data->style,
1350 DT_END));
1351 }
1352 #endif
1353
1354 #endif
1355
1356 /*
1357 * Try to open a XIM with the current modifiers, then see if we can
1358 * open a suitable preedit type
1359 */
1360 bool
1361 rxvt_term::im_get_ic (const char *modifiers)
1362 {
1363 int i, j, found;
1364 XIM xim;
1365 XPoint spot;
1366 XRectangle rect, status_rect, needed_rect;
1367 unsigned long fg, bg;
1368 const char *p;
1369 char **s;
1370 XIMStyles *xim_styles;
1371
1372 set_environ (envv);
1373
1374 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1375 return false;
1376
1377 input_method = display->get_xim (locale, modifiers);
1378 if (input_method == NULL)
1379 return false;
1380
1381 xim = input_method->xim;
1382 spot.x = spot.y = -1;
1383
1384 xim_styles = NULL;
1385 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1386 || !xim_styles || !xim_styles->count_styles)
1387 {
1388 im_destroy ();
1389 return false;
1390 }
1391
1392 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1393
1394 for (int pi = 0; pi < 2; pi++)
1395 {
1396 p = pet[pi];
1397
1398 if (!p)
1399 continue;
1400
1401 s = rxvt_strsplit (',', p);
1402
1403 for (i = found = 0; !found && s[i]; i++)
1404 {
1405 if (!strcmp (s[i], "OverTheSpot"))
1406 input_style = XIMPreeditPosition | XIMStatusNothing;
1407 else if (!strcmp (s[i], "OffTheSpot"))
1408 input_style = XIMPreeditArea | XIMStatusArea;
1409 else if (!strcmp (s[i], "Root"))
1410 input_style = XIMPreeditNothing | XIMStatusNothing;
1411 else if (!strcmp (s[i], "None"))
1412 input_style = XIMPreeditNone | XIMStatusNone;
1413 #ifdef ENABLE_XIM_ONTHESPOT
1414 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1415 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1416 #endif
1417 else
1418 input_style = XIMPreeditNothing | XIMStatusNothing;
1419
1420 for (j = 0; j < xim_styles->count_styles; j++)
1421 if (input_style == xim_styles->supported_styles[j])
1422 {
1423 rxvt_free_strsplit (s);
1424
1425 found = 1;
1426 goto foundpet;
1427 }
1428
1429 }
1430
1431 rxvt_free_strsplit (s);
1432 }
1433
1434 foundpet:
1435
1436 XFree (xim_styles);
1437
1438 if (!found)
1439 {
1440 im_destroy ();
1441 return false;
1442 }
1443
1444 XFontSet fs = 0;
1445 XVaNestedList preedit_attr = 0, status_attr = 0;
1446
1447 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1448 {
1449 // fake us a font-set, please
1450 char **missing_charset_list;
1451 int missing_charset_count;
1452 char *def_string;
1453 char pat[512];
1454
1455 sprintf (pat,
1456 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1457 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1458 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1459 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1460 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1461 "*",
1462 fheight,
1463 fheight + 1, fheight - 1,
1464 fheight - 2, fheight + 2);
1465
1466 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1467 &missing_charset_list, &missing_charset_count, &def_string);
1468
1469 if (missing_charset_list)
1470 XFreeStringList (missing_charset_list);
1471
1472 if (!fs)
1473 {
1474 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1475 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1476 }
1477 }
1478
1479 if (input_style & XIMPreeditPosition)
1480 {
1481 im_set_size (rect);
1482 im_set_position (spot);
1483 im_set_color (fg, bg);
1484
1485 preedit_attr = XVaCreateNestedList (0,
1486 XNForeground, fg,
1487 XNBackground, bg,
1488 XNArea, &rect,
1489 XNSpotLocation, &spot,
1490 XNFontSet, fs,
1491 NULL);
1492 }
1493 else if (input_style & XIMPreeditArea)
1494 {
1495 im_set_color (fg, bg);
1496
1497 /*
1498 * The necessary width of preedit area is unknown
1499 * until create input context.
1500 */
1501 needed_rect.width = 0;
1502 im_set_preedit_area (rect, status_rect, needed_rect);
1503
1504 preedit_attr = XVaCreateNestedList (0,
1505 XNForeground, fg,
1506 XNBackground, bg,
1507 XNArea, &rect,
1508 XNFontSet, fs,
1509 NULL);
1510 status_attr = XVaCreateNestedList (0,
1511 XNForeground, fg,
1512 XNBackground, bg,
1513 XNArea, &status_rect,
1514 XNFontSet, fs,
1515 NULL);
1516 }
1517 #if ENABLE_XIM_ONTHESPOT
1518 else if (input_style & XIMPreeditCallbacks)
1519 {
1520 XIMCallback xcb[4];
1521
1522 im_set_position (spot);
1523
1524 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1525 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1526 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1527 # if 0
1528 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1529 # endif
1530
1531 preedit_attr = XVaCreateNestedList (0,
1532 XNSpotLocation, &spot,
1533 XNPreeditStartCallback, &xcb[0],
1534 XNPreeditDoneCallback , &xcb[1],
1535 XNPreeditDrawCallback , &xcb[2],
1536 # if 0
1537 XNPreeditCaretCallback, &xcb[3],
1538 # endif
1539 NULL);
1540 }
1541 #endif
1542
1543 Input_Context = XCreateIC (xim,
1544 XNInputStyle, input_style,
1545 XNClientWindow, vt,
1546 XNFocusWindow, parent,
1547 preedit_attr ? XNPreeditAttributes : NULL,
1548 preedit_attr,
1549 status_attr ? XNStatusAttributes : NULL,
1550 status_attr, NULL);
1551
1552 if (preedit_attr) XFree (preedit_attr);
1553 if (status_attr) XFree (status_attr);
1554 if (fs) XFreeFontSet (dpy, fs);
1555
1556 if (Input_Context == NULL)
1557 {
1558 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1559 im_destroy ();
1560 return false;
1561 }
1562
1563 #if 0
1564 // unfortunately, only the focus window is used by XIM, hard to fix
1565 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1566 vt_select_input ();
1567 #endif
1568
1569 im_set_position ();
1570
1571 return true;
1572 }
1573
1574 void
1575 rxvt_term::im_cb ()
1576 {
1577 int i;
1578 const char *p;
1579 char **s;
1580 char buf[IMBUFSIZ];
1581
1582 make_current ();
1583
1584 im_destroy ();
1585
1586 if (Input_Context)
1587 return;
1588
1589 if (rs[Rs_imLocale])
1590 SET_LOCALE (rs[Rs_imLocale]);
1591
1592 p = rs[Rs_inputMethod];
1593 if (p && *p)
1594 {
1595 bool found = false;
1596
1597 s = rxvt_strsplit (',', p);
1598
1599 for (i = 0; s[i]; i++)
1600 {
1601 if (*s[i])
1602 {
1603 strcpy (buf, "@im=");
1604 strncat (buf, s[i], IMBUFSIZ - 5);
1605 if (im_get_ic (buf))
1606 {
1607 found = true;
1608 break;
1609 }
1610 }
1611 }
1612
1613 rxvt_free_strsplit (s);
1614
1615 if (found)
1616 goto done;
1617 }
1618
1619 /* try with XMODIFIERS env. var. */
1620 if (im_get_ic (""))
1621 goto done;
1622
1623 /* try with no modifiers base IF the user didn't specify an IM */
1624 if (im_get_ic ("@im=none"))
1625 goto done;
1626
1627 done:
1628 if (rs[Rs_imLocale])
1629 SET_LOCALE (locale);
1630 }
1631
1632 void
1633 rxvt_term::im_set_position ()
1634 {
1635 XRectangle preedit_rect, status_rect, *needed_rect;
1636 XVaNestedList preedit_attr, status_attr;
1637
1638 if (!Input_Context
1639 || !focus
1640 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1641 || !im_is_running ())
1642 return;
1643
1644 if (input_style & XIMPreeditPosition)
1645 {
1646 im_set_size (preedit_rect);
1647 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1648
1649 XSetICValues (Input_Context,
1650 XNPreeditAttributes, preedit_attr, NULL);
1651 }
1652 else
1653 {
1654 /* Getting the necessary width of preedit area */
1655 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1656 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1657 XFree (status_attr);
1658
1659 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1660 XFree (needed_rect);
1661
1662 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1663 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1664
1665 XSetICValues (Input_Context,
1666 XNPreeditAttributes, preedit_attr,
1667 XNStatusAttributes, status_attr,
1668 NULL);
1669
1670 XFree (status_attr);
1671 }
1672
1673 XFree (preedit_attr);
1674 }
1675 #endif /* USE_XIM */
1676
1677 void
1678 rxvt_term::get_window_origin (int &x, int &y)
1679 {
1680 Window cr;
1681 XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
1682 }
1683
1684 #ifdef HAVE_BG_PIXMAP
1685
1686 void
1687 rxvt_term::update_background ()
1688 {
1689 if (update_background_ev.is_active ())
1690 return;
1691
1692 bg_flags &= BG_INHIBIT_RENDER;
1693
1694 if (!mapped)
1695 return;
1696
1697 ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
1698
1699 if (to_wait <= 0.)
1700 bg_render ();
1701 else
1702 update_background_ev.start (to_wait);
1703 }
1704
1705 void
1706 rxvt_term::update_background_cb (ev::timer &w, int revents)
1707 {
1708 make_current ();
1709
1710 update_background_ev.stop ();
1711 bg_render ();
1712 refresh_check ();
1713 }
1714
1715 #endif /* HAVE_BG_PIXMAP */
1716
1717 /*----------------------- end-of-file (C source) -----------------------*/