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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.66 by pcg, Thu Apr 8 20:31:45 2004 UTC vs.
Revision 1.310 by root, Wed Feb 27 01:05:55 2008 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.C	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	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>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
…		…
11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
12	* - extensive modifications	12	* - extensive modifications
13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15	* - extensive modifications	15	* - extensive modifications
16	* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>	16	* Copyright (c) 2003-2008 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	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	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	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
37	#include <signal.h>	40	#include <csignal>
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>	41	#include <cstring>
48		42
		43	#include <termios.h>
		44
		45	#ifdef HAVE_XSETLOCALE
		46	# define X_LOCALE
		47	# include <X11/Xlocale.h>
		48	#else
		49	# ifdef HAVE_SETLOCALE
		50	# include <clocale>
		51	# endif
		52	#endif
		53
49	vector<rxvt_term *> rxvt_term::termlist;	54	vector<rxvt_term *> rxvt_term::termlist;
50		55
		56	// used to tell global functions which terminal instance is "active"
		57	rxvt_t rxvt_current_term;
		58
51	static char curlocale[128];	59	static char curlocale[128], savelocale[128];
52		60
53	bool	61	bool
54	rxvt_set_locale (const char *locale)	62	rxvt_set_locale (const char *locale) NOTHROW
55	{	63	{
		64	int size = strlen (locale) + 1;
		65
		66	if (size > sizeof (curlocale))
		67	rxvt_fatal ("locale string too long, aborting.\n");
		68
56	if (!locale || !STRNCMP (locale, curlocale, 128))	69	if (!locale || !memcmp (locale, curlocale, size))
57	return false;	70	return false;
58		71
59	STRNCPY (curlocale, locale, 128);	72	memcpy (curlocale, locale, size);
60	setlocale (LC_CTYPE, curlocale);	73	setlocale (LC_CTYPE, curlocale);
61	return true;	74	return true;
62	}	75	}
63		76
		77	void
		78	rxvt_push_locale (const char *locale) NOTHROW
		79	{
		80	strcpy (savelocale, curlocale);
		81	rxvt_set_locale (locale);
		82	}
		83
		84	void
		85	rxvt_pop_locale () NOTHROW
		86	{
		87	rxvt_set_locale (savelocale);
		88	}
		89
64	#if ENABLE_COMBINING	90	#if ENABLE_COMBINING
65	class rxvt_composite_vec rxvt_composite;	91	class rxvt_composite_vec rxvt_composite;
66		92
67	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)	93	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
68	{	94	{
69	compose_char *cc;	95	compose_char *cc;
70		96
71	// break compose chains, as stupid readline really likes to duplicate	97	// break compose chains, as stupid readline really likes to duplicate
72	// composing characters for some reason near the end of a line.	98	// composing characters for some reason near the end of a line.
73	cc = (*this)[c1];	99	cc = (*this)[c1];
74	while (cc)	100	while (cc)
75	{	101	{
…		…
123	return len;	149	return len;
124		150
125	}	151	}
126	#endif	152	#endif
127		153
128	void *
129	rxvt_term::operator new (size_t s)
130	{
131	void *p = malloc (s);
132
133	MEMSET (p, 0, s);
134	return p;
135	}
136
137	void
138	rxvt_term::operator delete (void *p, size_t s)
139	{
140	free (p);
141	}
142
143	rxvt_term::rxvt_term ()	154	rxvt_term::rxvt_term ()
144	:	155	{
145	rootwin_ev (this, &rxvt_term::rootwin_cb),	156	#if HAVE_BG_PIXMAP
146	termwin_ev (this, &rxvt_term::x_cb),	157	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
147	vt_ev (this, &rxvt_term::x_cb),
148	#ifdef HAVE_SCROLLBARS
149	scrollbar_ev (this, &rxvt_term::x_cb),
150	#endif
151	#ifdef MENUBAR
152	menubar_ev (this, &rxvt_term::x_cb),
153	#endif	158	#endif
154	#ifdef CURSOR_BLINK	159	#ifdef CURSOR_BLINK
155	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),	160	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
156	#endif	161	#endif
157	#ifdef TEXT_BLINK	162	#ifdef TEXT_BLINK
158	text_blink_ev (this, &rxvt_term::text_blink_cb),	163	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		164	#endif
		165	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		166	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		167	#endif
		168	#ifdef SELECTION_SCROLLING
		169	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		170	#endif
		171	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		172	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		173	#endif
		174	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		175	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		176	#endif
		177	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		178	#ifdef USE_XIM
		179	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
159	#endif	180	#endif
160	#ifdef POINTER_BLANK	181	#ifdef POINTER_BLANK
161	pointer_ev (this, &rxvt_term::pointer_cb),	182	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
162	#endif	183	#endif
		184	#ifndef NO_BELL
		185	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		186	#endif
		187	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		188	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		189	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		190	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		191	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		192	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194
		195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		196
		197	termlist.push_back (this);
		198
		199	#ifdef KEYSYM_RESOURCE
		200	keyboard = new keyboard_manager;
		201	#endif
		202	}
		203
		204	// clean up the most important stuff, do *not* call x or free mem etc.
		205	// for use before an emergency exit
		206	void
		207	rxvt_term::emergency_cleanup ()
		208	{
		209	if (cmd_pid)
		210	kill (-cmd_pid, SIGHUP);
		211
		212	pty_ev.stop ();
		213	delete pty; pty = 0;
		214	}
		215
		216	rxvt_term::~rxvt_term ()
		217	{
		218	termlist.erase (find (termlist.begin (), termlist.end(), this));
		219
		220	emergency_cleanup ();
		221
		222	#if ENABLE_STYLES
		223	for (int i = RS_styleCount; --i; )
		224	if (fontset[i] != fontset[0])
		225	delete fontset[i];
		226	#endif
		227	delete fontset[0];
		228
		229	#ifdef HAVE_BG_PIXMAP
		230	bgPixmap.destroy ();
		231	#endif
		232
		233	if (display)
		234	{
		235	selection_clear ();
		236
163	#ifdef USE_XIM	237	#ifdef USE_XIM
164	im_ev (this, &rxvt_term::im_cb),	238	im_destroy ();
165	#endif	239	#endif
166	check_ev (this, &rxvt_term::check_cb),	240	scrollBar.destroy ();
167	destroy_ev (this, &rxvt_term::destroy_cb),	241	if (gc) XFreeGC (dpy, gc);
168	pty_ev (this, &rxvt_term::pty_cb),
169	incr_ev (this, &rxvt_term::incr_cb)
170	{
171	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
172		242
173	termlist.push_back (this);
174	}
175
176	rxvt_term::~rxvt_term ()
177	{
178	termlist.erase (find (termlist.begin (), termlist.end(), this));
179
180	if (cmd_fd >= 0)
181	close (cmd_fd);
182
183	#ifndef NO_SETOWNER_TTYDEV
184	privileged_ttydev (RESTORE);
185	#endif
186	#ifdef UTMP_SUPPORT
187	privileged_utmp (RESTORE);
188	#endif
189
190	delete TermWin.fontset;
191
192	if (display)
193	{
194	selection_clear ();
195
196	#ifdef MENUBAR
197	if (menubarGC) XFreeGC (display->display, menubarGC);
198	#endif
199	#ifdef XTERM_SCROLLBAR
200	if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC);
201	if (ShadowGC) XFreeGC (display->display, ShadowGC);
202	#endif
203	#ifdef PLAIN_SCROLLBAR
204	if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC);
205	#endif
206	#ifdef NEXT_SCROLLBAR
207	if (blackGC) XFreeGC (display->display, blackGC);
208	if (whiteGC) XFreeGC (display->display, whiteGC);
209	if (grayGC) XFreeGC (display->display, grayGC);
210	if (darkGC) XFreeGC (display->display, darkGC);
211	if (stippleGC) XFreeGC (display->display, stippleGC);
212	if (dimple) XFreePixmap (display->display, dimple);
213	if (upArrow) XFreePixmap (display->display, upArrow);
214	if (downArrow) XFreePixmap (display->display, downArrow);
215	if (upArrowHi) XFreePixmap (display->display, upArrowHi);
216	if (downArrowHi) XFreePixmap (display->display, downArrowHi);
217	#endif
218	#if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
219	if (topShadowGC) XFreeGC (display->display, topShadowGC);
220	if (botShadowGC) XFreeGC (display->display, botShadowGC);
221	if (scrollbarGC) XFreeGC (display->display, scrollbarGC);
222	#endif
223	if (TermWin.gc) XFreeGC (display->display, TermWin.gc);
224
225	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
226	delete menuBar.drawable;	243	delete drawable;
227	//if (menuBar.win)
228	// XDestroyWindow (display->display, menuBar.win);
229	#endif
230	delete TermWin.drawable;
231	// destroy all windows	244	// destroy all windows
232	if (TermWin.parent[0])	245	if (parent[0])
233	XDestroyWindow (display->display, TermWin.parent[0]);	246	XDestroyWindow (dpy, parent[0]);
234	}
235		247
236	// TODO: free pixcolours, colours should become part of rxvt_display	248	for (int i = 0; i < TOTAL_COLORS; i++)
		249	if (ISSET_PIXCOLOR (i))
		250	{
		251	pix_colors_focused [i].free (this);
		252	#if OFF_FOCUS_FADING
		253	pix_colors_unfocused [i].free (this);
		254	#endif
		255	}
237		256
238	delete PixColors;	257	clear ();
239		258
		259	display->flush (); /* ideally .put should do this */
240	displays.put (display);	260	displays.put (display);
		261	}
241		262
242	scr_release ();	263	scr_release ();
243		264
244	/* clear all resources */	265	/* clear all resources */
245	for (int i = 0; i < allocated.size (); i++)	266	for (int i = 0; i < allocated.size (); i++)
246	free (allocated[i]);	267	free (allocated [i]);
247		268
248	free (selection.text);	269	free (selection.text);
249	// TODO: manage env vars in child only(!)	270	// TODO: manage env vars in child only(!)
250	free (env_windowid);
251	free (env_display);	271	free (env_display);
252	free (env_term);	272	free (env_term);
253	free (env_colorfgbg);
254	free (locale);	273	free (locale);
255	#if 0	274	free (v_buffer);
256	free (codeset);	275	free (incr_buf);
257	#endif
258		276
259	delete envv;	277	delete envv;
260	delete argv;	278	delete argv;
		279
		280	#ifdef KEYSYM_RESOURCE
		281	delete keyboard;
		282	#endif
		283	#ifndef NO_RESOURCES
		284	XrmDestroyDatabase (option_db);
		285	#endif
		286	}
		287
		288	// child has exited, usually destroys
		289	void
		290	rxvt_term::child_cb (ev::child &w, int status)
		291	{
		292	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		293
		294	cmd_pid = 0;
		295
		296	if (!option (Opt_hold))
		297	destroy ();
261	}	298	}
262		299
263	void	300	void
264	rxvt_term::destroy ()	301	rxvt_term::destroy ()
265	{	302	{
		303	if (destroy_ev.is_active ())
		304	return;
		305
		306	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		307
		308	#if ENABLE_OVERLAY
		309	scr_overlay_off ();
		310	#endif
		311
266	if (display)	312	if (display)
267	{	313	{
		314	#if USE_XIM
		315	im_ev.stop (display);
		316	#endif
		317	scrollbar_ev.stop (display);
		318	#if ENABLE_TRANSPARENCY || ENABLE_PERL
268	rootwin_ev.stop (display);	319	rootwin_ev.stop (display);
		320	#endif
		321	incr_ev.stop ();
269	termwin_ev.stop (display);	322	termwin_ev.stop (display);
270	vt_ev.stop (display);	323	vt_ev.stop (display);
271	#ifdef USE_XIM
272	im_destroy ();
273	im_ev.stop (display);
274	#endif
275	#ifdef HAVE_SCROLLBARS
276	scrollbar_ev.stop (display);
277	#endif
278	#ifdef MENUBAR
279	menubar_ev.stop (display);
280	#endif
281	}	324	}
282		325
283	check_ev.stop ();	326	flush_ev.stop ();
284	pty_ev.stop ();	327	pty_ev.stop ();
285	#ifdef CURSOR_BLINK	328	#ifdef CURSOR_BLINK
286	cursor_blink_ev.stop ();	329	cursor_blink_ev.stop ();
287	#endif	330	#endif
288	#ifdef TEXT_BLINK	331	#ifdef TEXT_BLINK
289	text_blink_ev.stop ();	332	text_blink_ev.stop ();
290	#endif	333	#endif
		334	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		335	cont_scroll_ev.stop ();
		336	#endif
		337	#ifdef SELECTION_SCROLLING
		338	sel_scroll_ev.stop ();
		339	#endif
291	#ifdef POINTER_BLANK	340	#ifdef POINTER_BLANK
292	pointer_ev.stop ();	341	pointer_ev.stop ();
293	#endif	342	#endif
294		343
295	destroy_ev.start (0);	344	destroy_ev.start ();
296	}	345	}
297		346
298	void	347	void
299	rxvt_term::destroy_cb (time_watcher &w)	348	rxvt_term::destroy_cb (ev::idle &w, int revents)
300	{	349	{
301	SET_R (this);	350	make_current ();
302		351
303	delete this;	352	delete this;
304	}
305
306	/*----------------------------------------------------------------------*/
307	/* rxvt_init () */
308	bool
309	rxvt_term::init (int argc, const char *const *argv)
310	{
311	SET_R (this);
312
313	if (!init_vars ())
314	return false;
315
316	/*
317	* Save and then give up any super-user privileges
318	* If we need privileges in any area then we must specifically request it.
319	* We should only need to be root in these cases:
320	* 1. write utmp entries on some systems
321	* 2. chown tty on some systems
322	*/
323	privileges (SAVE);
324	privileges (IGNORE);
325
326	init_secondary ();
327
328	const char **cmd_argv = init_resources (argc, argv);
329
330	set_locale ("");
331
332	#if MENUBAR_MAX
333	menubar_read (rs[Rs_menu]);
334	#endif
335	#ifdef HAVE_SCROLLBARS
336	if (Options & Opt_scrollBar)
337	scrollBar.setIdle (); /* set existence for size calculations */
338	#endif
339
340	create_windows (argc, argv);
341
342	init_xlocale ();
343
344	scr_reset (); /* initialize screen */
345
346	#if 0
347	XSynchronize (display->display, True);
348	#endif
349
350	#ifdef HAVE_SCROLLBARS
351	if (Options & Opt_scrollBar)
352	resize_scrollbar (); /* create and map scrollbar */
353	#endif
354	#if (MENUBAR_MAX)
355	if (menubar_visible ())
356	XMapWindow (display->display, menuBar.win);
357	#endif
358	#ifdef TRANSPARENT
359	if (Options & Opt_transparent)
360	{
361	XSelectInput (display->display, display->root, PropertyChangeMask);
362	check_our_parents ();
363	}
364	#endif
365
366	rootwin_ev.start (display, display->root);
367
368	XMapWindow (display->display, TermWin.vt);
369	XMapWindow (display->display, TermWin.parent[0]);
370
371	init_command (cmd_argv);
372
373	pty_ev.start (cmd_fd, EVENT_READ);
374
375	check_ev.start ();
376
377	return true;
378	}
379
380	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
381
382	void
383	rxvt_init_signals ()
384	{
385	/* install exit handler for cleanup */
386	#if 0
387	#ifdef HAVE_ATEXIT
388	atexit (rxvt_clean_exit);
389	#else
390	#endif
391	#endif
392
393	struct sigaction sa;
394
395	sigfillset (&sa.sa_mask);
396	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
397	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
398	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
399	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
400	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
401	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
402	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
403
404	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
405	/* signal (SIGURG, SIG_DFL); */
406
407	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
408	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
409	}
410
411	/* ------------------------------------------------------------------------- *
412	* SIGNAL HANDLING & EXIT HANDLER *
413	* ------------------------------------------------------------------------- */
414	/*
415	* Catch a SIGCHLD signal and exit if the direct child has died
416	*/
417
418	void rxvt_term::child_exited (int pid)
419	{
420	for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
421	if (pid == (*t)->cmd_pid)
422	{
423	(*t)->destroy ();
424	break;
425	}
426	}
427
428	/* ARGSUSED */
429	/* EXTPROTO */
430	RETSIGTYPE
431	rxvt_Child_signal (int sig __attribute__ ((unused)))
432	{
433	int pid, save_errno = errno;
434
435	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
436	rxvt_term::child_exited (pid);
437
438	errno = save_errno;
439	}
440
441	/*
442	* Catch a fatal signal and tidy up before quitting
443	*/
444	/* EXTPROTO */
445	RETSIGTYPE
446	rxvt_Exit_signal (int sig)
447	{
448	signal (sig, SIG_DFL);
449	#ifdef DEBUG_CMD
450	rxvt_warn ("caught signal %d, exiting.\n", sig);
451	#endif
452	rxvt_clean_exit ();
453	kill (getpid (), sig);
454	}
455
456	/* INTPROTO */
457	int
458	rxvt_xerror_handler (Display *display, XErrorEvent *event)
459	{
460	if (GET_R->allowedxerror == -1)
461	GET_R->allowedxerror = event->error_code;
462	else
463	{
464	old_xerror_handler (display, event);
465	GET_R->destroy ();
466	}
467
468	return 0;
469	}	353	}
470		354
471	/*----------------------------------------------------------------------*/	355	/*----------------------------------------------------------------------*/
472	/*	356	/*
473	* Exit gracefully, clearing the utmp entry and restoring tty attributes	357	* Exit gracefully, clearing the utmp entry and restoring tty attributes
474	* TODO: if debugging, this should free up any known resources if we can	358	* TODO: if debugging, this should free up any known resources if we can
475	*/	359	*/
476	/* EXTPROTO */	360	static XErrorHandler old_xerror_handler;
477	void
478	rxvt_clean_exit ()
479	{
480	// TODO: rxvtd should clean up all ressources
481	if (GET_R)
482	GET_R->destroy ();
483	}
484		361
485	/* ------------------------------------------------------------------------- *	362	static void
486	* MEMORY ALLOCATION WRAPPERS *	363	rxvt_emergency_cleanup ()
487	* ------------------------------------------------------------------------- */
488	/* EXTPROTO */
489	void *
490	rxvt_malloc (size_t size)
491	{	364	{
492	void *p;	365	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
493		366	(*t)->emergency_cleanup ();
494	p = malloc (size);
495	if (p)
496	return p;
497
498	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
499	rxvt_clean_exit ();
500	exit (EXIT_FAILURE);
501	/* NOTREACHED */
502	}	367	}
503		368
504	/* EXTPROTO */	369	#if !ENABLE_MINIMAL
505	void *	370	static void
506	rxvt_calloc (size_t number, size_t size)	371	print_x_error (Display *dpy, XErrorEvent *event)
507	{	372	{
508	void *p;	373	char buffer[BUFSIZ];
509		374	char mesg[BUFSIZ];
510	p = calloc (number, size);	375	char number[32];
511	if (p)	376	char *mtype = "XlibMessage";
512	return p;	377	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
513		378	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
514	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");	379	rxvt_warn ("An X Error occured, trying to continue after report.\n");
515	rxvt_clean_exit ();	380	rxvt_warn ("%s: %s\n", mesg, buffer);
516	exit (EXIT_FAILURE);	381	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
517	/* NOTREACHED */	382	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		383	sprintf(number, "%d", event->request_code);
		384	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		385	rxvt_warn ("(which is %s)\n", buffer);
		386	if (event->request_code >= 128) {
		387	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		388	mesg, BUFSIZ);
		389	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		390	}
		391	if ((event->error_code == BadWindow) ||
		392	(event->error_code == BadPixmap) ||
		393	(event->error_code == BadCursor) ||
		394	(event->error_code == BadFont) ||
		395	(event->error_code == BadDrawable) ||
		396	(event->error_code == BadColor) ||
		397	(event->error_code == BadGC) ||
		398	(event->error_code == BadIDChoice) ||
		399	(event->error_code == BadValue) ||
		400	(event->error_code == BadAtom)) {
		401	if (event->error_code == BadValue)
		402	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		403	mesg, BUFSIZ);
		404	else if (event->error_code == BadAtom)
		405	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		406	mesg, BUFSIZ);
		407	else
		408	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		409	mesg, BUFSIZ);
		410	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		411	}
		412	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		413	mesg, BUFSIZ);
		414	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
518	}	415	}
		416	#endif
519		417
520	/* EXTPROTO */	418	int
521	void *	419	rxvt_xerror_handler (Display *display, XErrorEvent *event)
522	rxvt_realloc (void *ptr, size_t size)
523	{	420	{
524	void *p;	421	if (GET_R->allowedxerror == -1)
525		422	GET_R->allowedxerror = event->error_code;
526	if (ptr)
527	p = realloc (ptr, size);
528	else	423	else
529	p = malloc (size);	424	{
530	if (p)	425	// GET_R is most likely not the terminal which caused the error,
		426	// so just output the error and continue
		427	#if ENABLE_MINIMAL
		428	old_xerror_handler (display, event);
		429	#else
		430	print_x_error (display, event);
		431	#endif
		432	}
		433
531	return p;	434	return 0;
		435	}
532		436
533	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");	437	int
534	rxvt_clean_exit ();	438	rxvt_xioerror_handler (Display *display)
		439	{
		440	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		441	DisplayString (display));
		442	rxvt_emergency_cleanup ();
535	exit (EXIT_FAILURE);	443	_exit (EXIT_FAILURE);
536	/* NOTREACHED */
537	}	444	}
538		445
539	/* ------------------------------------------------------------------------- *	446	static struct sig_handlers
540	* PRIVILEGED OPERATIONS *
541	* ------------------------------------------------------------------------- */
542	/* take care of suid/sgid super-user (root) privileges */
543	void
544	rxvt_term::privileges (int mode)
545	{	447	{
546	#if ! defined(__CYGWIN32__)	448	ev::sig sw_term, sw_int;
547	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	449
548	/* setreuid () is the poor man's setuid (), seteuid () */	450	/*
549	# define seteuid(a) setreuid(-1, (a))	451	* Catch a fatal signal and tidy up before quitting
550	# define setegid(a) setregid(-1, (a))	452	*/
551	# define HAVE_SETEUID	453	void sig_term (ev::sig &w, int revents);
552	# endif	454
553	# ifdef HAVE_SETEUID	455	sig_handlers ()
554	switch (mode)
555	{	456	{
556	case IGNORE:	457	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
557	/*	458	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
558	* change effective uid/gid - not real uid/gid - so we can switch
559	* back to root later, as required
560	*/
561	seteuid (getuid ());
562	setegid (getgid ());
563	break;
564	case SAVE:
565	euid = geteuid ();
566	egid = getegid ();
567	break;
568	case RESTORE:
569	seteuid (euid);
570	setegid (egid);
571	break;
572	}	459	}
573	# else	460	} sig_handlers;
574	switch (mode)
575	{
576	case IGNORE:
577	setuid (getuid ());
578	setgid (getgid ());
579	/* FALLTHROUGH */
580	case SAVE:
581	/* FALLTHROUGH */
582	case RESTORE:
583	break;
584	}
585	# endif
586	#endif
587	}
588		461
589	#ifdef UTMP_SUPPORT
590	void	462	void
591	rxvt_term::privileged_utmp (char action)	463	sig_handlers::sig_term (ev::sig &w, int revents)
592	{	464	{
593	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",	465	rxvt_emergency_cleanup ();
594	action, next_utmp_action, getpid ()));	466	w.stop ();
595	if (next_utmp_action != action || (action != SAVE && action != RESTORE)	467	kill (getpid (), w.signum);
596	|| (Options & Opt_utmpInhibit)
597	|| ttydev == NULL || *ttydev == '\0')
598	return;
599
600	privileges (RESTORE);
601	if (action == SAVE)
602	{
603	next_utmp_action = RESTORE;
604	makeutent (ttydev, rs[Rs_display_name]);
605	}
606	else
607	{ /* action == RESTORE */
608	next_utmp_action = IGNORE;
609	cleanutent ();
610	}
611	privileges (IGNORE);
612	}	468	}
613	#endif
614		469
615	#ifndef NO_SETOWNER_TTYDEV	470	char **rxvt_environ; // startup environment
616	void
617	rxvt_term::privileged_ttydev (char action)
618	{
619	D_MAIN ((stderr,
620	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
621	action, next_tty_action, getpid ()));
622	if (next_tty_action != action || (action != SAVE && action != RESTORE)
623	|| ttydev == NULL || *ttydev == '\0')
624	return;
625		471
626	privileges (RESTORE);	472	void
		473	rxvt_init ()
		474	{
		475	ptytty::init ();
627		476
628	if (action == SAVE)	477	if (!ev_default_loop (0))
629	{	478	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
630	next_tty_action = RESTORE;
631	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
632	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
633	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
634	next_tty_action = IGNORE;
635	else
636	# endif
637		479
638	{	480	rxvt_environ = environ;
639	chown (ttydev, getuid (), ttygid); /* fail silently */
640	chmod (ttydev, ttymode);
641	# ifdef HAVE_REVOKE
642	revoke (ttydev);
643	# endif
644		481
645	}	482	signal (SIGHUP, SIG_IGN);
646	}	483	signal (SIGPIPE, SIG_IGN);
647	else
648	{ /* action == RESTORE */
649	next_tty_action = IGNORE;
650	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
651	chmod (ttydev, ttyfd_stat.st_mode);
652	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
653	# else
654	chmod (ttydev,
655	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
656	chown (ttydev, 0, 0);
657	# endif
658		484
659	}	485	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		486	sig_handlers.sw_int.start (SIGINT); ev_unref ();
660		487
661	privileges (IGNORE);	488	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		489	/* signal (SIGURG, SIG_DFL); */
662		490
663	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	491	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
664	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	492	// TODO: handle this with exceptions and tolerate the memory loss
665	action == RESTORE ? "Restoring" : (action ==	493	XSetIOErrorHandler (rxvt_xioerror_handler);
666	SAVE ? "Saving" :	494
667	"UNKNOWN ERROR for"), ttydev,	495	XrmInitialize ();
668	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
669	ttyfd_stat.st_gid));
670	# endif
671	}	496	}
672	#endif
673		497
674	/*----------------------------------------------------------------------*/	498	/*----------------------------------------------------------------------*/
675	/*	499	/*
676	* window size/position calculcations for XSizeHint and other storage.	500	* window size/position calculations for XSizeHint and other storage.
677	* if width/height are non-zero then override calculated width/height	501	* if width/height are non-zero then override calculated width/height
678	*/	502	*/
679	void	503	void
680	rxvt_term::window_calc (unsigned int width, unsigned int height)	504	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
681	{	505	{
682	short recalc_x, recalc_y;	506	short recalc_x, recalc_y;
683	int x, y, sb_w, mb_h, flags;	507	int x, y, flags;
684	unsigned int w, h;	508	unsigned int w, h;
685	unsigned int max_width, max_height;	509	unsigned int max_width, max_height;
686		510
687	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
688	TermWin.ncol, TermWin.nrow, szHint.width,
689	szHint.height));
690	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	511	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
691	szHint.win_gravity = NorthWestGravity;	512	szHint.win_gravity = NorthWestGravity;
692	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	513	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
693		514
694	recalc_x = recalc_y = 0;	515	recalc_x = recalc_y = 0;
695	flags = 0;	516	flags = 0;
		517
696	if (!parsed_geometry)	518	if (!parsed_geometry)
697	{	519	{
698	parsed_geometry = 1;	520	parsed_geometry = 1;
		521
699	if (rs[Rs_geometry])	522	if (rs[Rs_geometry])
700	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	523	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		524
701	if (flags & WidthValue)	525	if (flags & WidthValue)
702	{	526	{
703	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	527	if (!w)
		528	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		529
		530	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
704	szHint.flags |= USSize;	531	szHint.flags |= USSize;
705	}	532	}
		533
706	if (flags & HeightValue)	534	if (flags & HeightValue)
707	{	535	{
708	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	536	if (!h)
		537	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		538
		539	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
709	szHint.flags |= USSize;	540	szHint.flags |= USSize;
710	}	541	}
		542
711	if (flags & XValue)	543	if (flags & XValue)
712	{	544	{
713	szHint.x = x;	545	szHint.x = x;
714	szHint.flags |= USPosition;	546	szHint.flags |= USPosition;
		547
715	if (flags & XNegative)	548	if (flags & XNegative)
716	{	549	{
717	recalc_x = 1;	550	recalc_x = 1;
718	szHint.win_gravity = NorthEastGravity;	551	szHint.win_gravity = NorthEastGravity;
719	}	552	}
720	}	553	}
		554
721	if (flags & YValue)	555	if (flags & YValue)
722	{	556	{
723	szHint.y = y;	557	szHint.y = y;
724	szHint.flags |= USPosition;	558	szHint.flags |= USPosition;
		559
725	if (flags & YNegative)	560	if (flags & YNegative)
726	{	561	{
727	recalc_y = 1;	562	recalc_y = 1;
		563
728	if (szHint.win_gravity == NorthEastGravity)	564	if (szHint.win_gravity == NorthEastGravity)
729	szHint.win_gravity = SouthEastGravity;	565	szHint.win_gravity = SouthEastGravity;
730	else	566	else
731	szHint.win_gravity = SouthWestGravity;	567	szHint.win_gravity = SouthWestGravity;
732	}	568	}
733	}	569	}
734	}	570	}
735		571
736	/* TODO: BOUNDS */	572	/* TODO: BOUNDS */
737	TermWin.width = TermWin.ncol * TermWin.fwidth;	573	width = ncol * fwidth;
738	TermWin.height = TermWin.nrow * TermWin.fheight;	574	height = nrow * fheight;
739	max_width = MAX_COLS * TermWin.fwidth;	575	max_width = MAX_COLS * fwidth;
740	max_height = MAX_ROWS * TermWin.fheight;	576	max_height = MAX_ROWS * fheight;
741		577
742	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	578	szHint.base_width = szHint.base_height = 2 * int_bwidth;
743		579
744	sb_w = mb_h = 0;
745	window_vt_x = window_vt_y = 0;	580	window_vt_x = window_vt_y = int_bwidth;
746	if (scrollbar_visible ())	581
		582	if (scrollBar.state)
747	{	583	{
748	sb_w = scrollbar_TotalWidth ();	584	int sb_w = scrollBar.total_width ();
749	szHint.base_width += sb_w;	585	szHint.base_width += sb_w;
		586
750	if (! (Options & Opt_scrollBar_right))	587	if (!option (Opt_scrollBar_right))
751	window_vt_x = sb_w;	588	window_vt_x += sb_w;
752	}
753	if (menubar_visible ())
754	{	589	}
755	mb_h = menuBar_TotalHeight ();	590
756	szHint.base_height += mb_h;
757	window_vt_y = mb_h;
758	}
759	szHint.width_inc = TermWin.fwidth;	591	szHint.width_inc = fwidth;
760	szHint.height_inc = TermWin.fheight;	592	szHint.height_inc = fheight;
761	szHint.min_width = szHint.base_width + szHint.width_inc;	593	szHint.min_width = szHint.base_width + szHint.width_inc;
762	szHint.min_height = szHint.base_height + szHint.height_inc;	594	szHint.min_height = szHint.base_height + szHint.height_inc;
763		595
764	if (width && width - szHint.base_width < max_width)	596	if (newwidth && newwidth - szHint.base_width < max_width)
765	{	597	{
766	szHint.width = width;	598	szHint.width = newwidth;
767	TermWin.width = width - szHint.base_width;	599	width = newwidth - szHint.base_width;
768	}	600	}
769	else	601	else
770	{	602	{
771	MIN_IT (TermWin.width, max_width);	603	min_it (width, max_width);
772	szHint.width = szHint.base_width + TermWin.width;	604	szHint.width = szHint.base_width + width;
773	}	605	}
		606
774	if (height && height - szHint.base_height < max_height)	607	if (newheight && newheight - szHint.base_height < max_height)
775	{	608	{
776	szHint.height = height;	609	szHint.height = newheight;
777	TermWin.height = height - szHint.base_height;	610	height = newheight - szHint.base_height;
778	}	611	}
779	else	612	else
780	{	613	{
781	MIN_IT (TermWin.height, max_height);	614	min_it (height, max_height);
782	szHint.height = szHint.base_height + TermWin.height;	615	szHint.height = szHint.base_height + height;
783	}	616	}
784	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
785	window_sb_x = szHint.width - sb_w;
786		617
787	if (recalc_x)	618	if (recalc_x)
788	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	619	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
789	- szHint.width - 2 * TermWin.ext_bwidth);	620
790	if (recalc_y)	621	if (recalc_y)
791	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	622	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
792	- szHint.height - 2 * TermWin.ext_bwidth);
793		623
794	TermWin.ncol = TermWin.width / TermWin.fwidth;	624	ncol = width / fwidth;
795	TermWin.nrow = TermWin.height / TermWin.fheight;	625	nrow = height / fheight;
796	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
797	TermWin.ncol, TermWin.nrow, szHint.width,
798	szHint.height));
799	return;
800	}	626	}
801		627
802	/*----------------------------------------------------------------------*/	628	/*----------------------------------------------------------------------*/
803	/*	629	/*
804	* Tell the teletype handler what size the window is.	630	* Tell the teletype handler what size the window is.
805	* Called after a window size change.	631	* Called after a window size change.
806	*/	632	*/
807	void	633	void
808	rxvt_term::tt_winch ()	634	rxvt_term::tt_winch ()
809	{	635	{
		636	if (pty->pty < 0)
		637	return;
		638
810	struct winsize ws;	639	struct winsize ws;
811		640
812	if (cmd_fd < 0)
813	return;
814
815	ws.ws_col = TermWin.ncol;	641	ws.ws_col = ncol;
816	ws.ws_row = TermWin.nrow;	642	ws.ws_row = nrow;
817	ws.ws_xpixel = ws.ws_ypixel = 0;	643	ws.ws_xpixel = width;
818	#ifndef DEBUG_SIZE	644	ws.ws_ypixel = height;
819	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	645	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
820	#else	646
821	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	647	#if 0
822	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	648	// TIOCSWINSZ is supposed to do this automatically and correctly
823	# ifdef SIGWINCH
824	else if (cmd_pid) /* force through to the command */	649	if (cmd_pid) /* force through to the command */
825	kill (cmd_pid, SIGWINCH);	650	kill (-cmd_pid, SIGWINCH);
826	# endif
827	#endif	651	#endif
828	}	652	}
829		653
830	/*----------------------------------------------------------------------*/	654	/*----------------------------------------------------------------------*/
831	/* rxvt_change_font () - Switch to a new font */	655	/* set_fonts () - load and set the various fonts
832	/*	656	*
833	* init = 1 - initialize	657	* init = 1 - initialize
834	*	658	*
835	* fontname == FONT_UP - switch to bigger font	659	* fontname == FONT_UP - switch to bigger font
836	* fontname == FONT_DN - switch to smaller font	660	* fontname == FONT_DN - switch to smaller font
837	*/	661	*/
838	bool	662	bool
839	rxvt_term::change_font (const char *fontname)	663	rxvt_term::set_fonts ()
840	{	664	{
841	if (fontname == FONT_UP)
842	{
843	// TODO
844	}
845	else if (fontname == FONT_DN)
846	{
847	// TODO
848	}
849	else
850	{
851	rxvt_fontset *fs = new rxvt_fontset (this);	665	rxvt_fontset *fs = new rxvt_fontset (this);
		666	rxvt_fontprop prop;
852		667
853	if (fs && fs->populate (fontname ? fontname : "fixed"))	668	if (!fs
		669	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		670	|| !fs->realize_font (1))
		671	{
		672	delete fs;
		673	return false;
		674	}
		675
		676	#if ENABLE_STYLES
		677	for (int i = RS_styleCount; --i; )
		678	if (fontset[i] != fontset[0])
		679	delete fontset[i];
		680	#endif
		681
		682	delete fontset[0];
		683	fontset[0] = fs;
		684
		685	prop = (*fs)[1]->properties ();
		686	prop.height += lineSpace;
		687
		688	fs->set_prop (prop, false);
		689
		690	fwidth = prop.width;
		691	fheight = prop.height;
		692	fbase = prop.ascent;
		693
		694	for (int style = 1; style < 4; style++)
		695	{
		696	#if ENABLE_STYLES
		697	const char *res = rs[Rs_font + style];
		698
		699	if (res && !*res)
		700	fontset[style] = fontset[0];
		701	else
854	{	702	{
855	delete TermWin.fontset;	703	fontset[style] = fs = new rxvt_fontset (this);
856	TermWin.fontset = fs;	704	rxvt_fontprop prop2 = prop;
857	TermWin.fwidth = fs->base_font ()->width;
858	TermWin.fheight = fs->base_font ()->height;
859	TermWin.fbase = fs->base_font ()->ascent;
860		705
861	if (TermWin.parent[0])	706	if (res)
862	{	707	{
863	resize_all_windows (0, 0, 0);	708	fs->populate (res);
864	scr_remap_chars ();	709	fs->set_prop (prop2, false);
865	scr_touch (true);
866	}	710	}
		711	else
		712	{
		713	fs->populate (fontset[0]->fontdesc);
867		714
868	return true;	715	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		716	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		717
		718	fs->set_prop (prop2, true);
		719	}
		720
869	}	721	}
		722	#else
		723	fontset[style] = fontset[0];
		724	#endif
		725	}
		726
		727	if (parent[0])
870	}	728	{
		729	resize_all_windows (0, 0, 0);
		730	scr_remap_chars ();
		731	scr_touch (true);
		732	}
871		733
872	return false;	734	return true;
873	}	735	}
874		736
875	bool	737	void
876	rxvt_term::font_up_down (int n, int direction)	738	rxvt_term::set_string_property (Atom prop, const char *str, int len)
877	{	739	{
878	return false;	740	XChangeProperty (dpy, parent[0],
		741	prop, XA_STRING, 8, PropModeReplace,
		742	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		743	}
		744
		745	void
		746	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		747	{
		748	wchar_t *ws = rxvt_mbstowcs (str, len);
		749	char *s = rxvt_wcstoutf8 (ws);
		750
		751	XChangeProperty (dpy, parent[0],
		752	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		753	(const unsigned char *)s, strlen (s));
		754
		755	free (s);
		756	free (ws);
879	}	757	}
880		758
881	/*----------------------------------------------------------------------*/	759	/*----------------------------------------------------------------------*/
882	/*----------------------------------------------------------------------*/	760	/*----------------------------------------------------------------------*/
883	/* xterm sequences - title, iconName, color (exptl) */	761	/* xterm sequences - title, iconName, color (exptl) */
884	void	762	void
885	rxvt_term::set_title (const char *str)	763	rxvt_term::set_title (const char *str)
886	{	764	{
887	#ifdef SMART_WINDOW_TITLE	765	set_string_property (XA_WM_NAME, str);
888	char *name;	766	#if ENABLE_EWMH
889		767	set_utf8_property (xa[XA_NET_WM_NAME], str);
890	if (!XFetchName (display->display, TermWin.parent[0], &name))
891	name = NULL;
892
893	if (name == NULL || STRCMP (name, str))
894	#endif
895	XStoreName (display->display, TermWin.parent[0], str);
896
897	#ifdef SMART_WINDOW_TITLE
898	if (name)
899	XFree (name);
900	#endif	768	#endif
901	}	769	}
902		770
903	void	771	void
904	rxvt_term::set_icon_name (const char *str)	772	rxvt_term::set_icon_name (const char *str)
905	{	773	{
906	#ifdef SMART_WINDOW_TITLE	774	set_string_property (XA_WM_ICON_NAME, str);
907	char *name;	775	#if ENABLE_EWMH
908		776	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
909	if (!XGetIconName (display->display, TermWin.parent[0], &name))
910	name = NULL;
911
912	if (name == NULL || STRCMP (name, str))
913	#endif	777	#endif
914	XSetIconName (display->display, TermWin.parent[0], str);
915
916	#ifdef SMART_WINDOW_TITLE
917	if (name)
918	XFree (name);
919	#endif
920	}	778	}
921		779
		780	void
		781	rxvt_term::set_window_color (int idx, const char *color)
		782	{
922	#ifdef XTERM_COLOR_CHANGE	783	#ifdef XTERM_COLOR_CHANGE
923	void
924	rxvt_term::set_window_color (int idx, const char *color)
925	{
926	rxvt_color xcol;	784	rxvt_color xcol;
927	int i;
928		785
929	if (color == NULL || *color == '\0')	786	if (color == NULL || *color == '\0')
930	return;	787	return;
931		788
		789	color = strdup (color);
		790	allocated.push_back ((void *)color);
		791	rs[Rs_color + idx] = color;
		792
932	/* handle color aliases */	793	/* handle color aliases */
933	if (isdigit (*color))	794	if (isdigit (*color))
934	{	795	{
935	i = atoi (color);	796	int i = atoi (color);
		797
936	if (i >= 8 && i <= 15)	798	if (i >= 8 && i <= 15)
		799	{
937	{ /* bright colors */	800	/* bright colors */
938	i -= 8;
939	# ifndef NO_BRIGHTCOLOR
940	PixColors[idx] = PixColors[minBrightCOLOR + i];	801	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
941	SET_PIXCOLOR (idx);
942	goto Done;	802	goto done;
943	# endif
944
945	}	803	}
		804
946	if (i >= 0 && i <= 7)	805	if (i >= 0 && i <= 7)
		806	{
947	{ /* normal colors */	807	/* normal colors */
948	PixColors[idx] = PixColors[minCOLOR + i];	808	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
949	SET_PIXCOLOR (idx);
950	goto Done;	809	goto done;
951	}	810	}
952	}	811	}
953		812
954	if (!rXParseAllocColor (& xcol, color))	813	set_color (xcol, color);
955	return;
956
957	/* XStoreColor (display->display, XCMAP, XColor*); */
958		814
959	/*	815	/*
960	* FIXME: should free colors here, but no idea how to do it so instead,	816	* FIXME: should free colors here, but no idea how to do it so instead,
961	* so just keep gobbling up the colormap	817	* so just keep gobbling up the colormap
962	*/	818	*/
963	# if 0
964	for (i = Color_Black; i <= Color_White; i++)
965	if (PixColors[idx] == PixColors[i])
966	break;
967	if (i > Color_White)
968	{
969	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
970	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,
971	DisplayPlanes (display->display, display->screen));
972	}
973	# endif
974		819
975	PixColors[idx] = xcol;	820	pix_colors_focused[idx] = xcol;
976	SET_PIXCOLOR (idx);
977		821
978	/* XSetWindowAttributes attr; */
979	/* Cursor cursor; */
980	Done:	822	done:
981	if (idx == Color_bg && ! (Options & Opt_transparent))
982	XSetWindowBackground (display->display, TermWin.vt,
983	PixColors[Color_bg]);
984
985	/* handle Color_BD, scrollbar background, etc. */	823	/*TODO: handle Color_BD, scrollbar background, etc. */
986		824
987	set_colorfgbg ();	825	update_fade_color (idx);
988	recolour_cursor ();	826	recolour_cursor ();
989	scr_touch (true);	827	scr_recolour ();
		828	#endif /* XTERM_COLOR_CHANGE */
990	}	829	}
991
992	#else
993	# define set_window_color (idx,color) ((void)0)
994	#endif /* XTERM_COLOR_CHANGE */
995		830
996	void	831	void
997	rxvt_term::recolour_cursor ()	832	rxvt_term::recolour_cursor ()
998	{	833	{
999	XColor xcol[2];	834	XColor fg, bg;
1000		835
1001	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg) ? PixColors[Color_pointer_fg] : PixColors[Color_fg];	836	(ISSET_PIXCOLOR (Color_pointer_fg)
1002	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg) ? PixColors[Color_pointer_bg] : PixColors[Color_bg];	837	? pix_colors_focused[Color_pointer_fg]
1003	XQueryColors (display->display, XCMAP, xcol, 2);	838	: pix_colors_focused[Color_fg]).get (fg);
1004	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);	839
		840	(ISSET_PIXCOLOR (Color_pointer_bg)
		841	? pix_colors_focused[Color_pointer_bg]
		842	: pix_colors_focused[Color_bg]).get (bg);
		843
		844	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
1005	}	845	}
1006		846
1007	/*----------------------------------------------------------------------*/	847	/*----------------------------------------------------------------------*/
1008	/*	848	/*
1009	* find if fg/bg matches any of the normal (low-intensity) colors	849	* find if fg/bg matches any of the normal (low-intensity) colors
1010	*/	850	*/
1011	void	851	void
1012	rxvt_term::set_colorfgbg ()	852	rxvt_term::set_colorfgbg ()
1013	{	853	{
1014	unsigned int i;	854	unsigned int i;
1015	const char *xpmb = "\0";	855	const char *xpmb = "";
1016	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	856	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
1017		857
1018	env_colorfgbg =
1019	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
1020	STRCPY (fstr, "default");	858	strcpy (fstr, "default");
1021	STRCPY (bstr, "default");	859	strcpy (bstr, "default");
1022	for (i = Color_Black; i <= Color_White; i++)	860	for (i = Color_Black; i <= Color_White; i++)
1023	if (PixColors[Color_fg] == PixColors[i])	861	if (pix_colors[Color_fg] == pix_colors[i])
1024	{	862	{
1025	sprintf (fstr, "%d", (i - Color_Black));	863	sprintf (fstr, "%d", (i - Color_Black));
1026	break;	864	break;
1027	}	865	}
		866
1028	for (i = Color_Black; i <= Color_White; i++)	867	for (i = Color_Black; i <= Color_White; i++)
1029	if (PixColors[Color_bg] == PixColors[i])	868	if (pix_colors[Color_bg] == pix_colors[i])
1030	{	869	{
1031	sprintf (bstr, "%d", (i - Color_Black));	870	sprintf (bstr, "%d", (i - Color_Black));
1032	#ifdef XPM_BACKGROUND	871	#ifdef BG_IMAGE_FROM_FILE
1033	xpmb = "default;";	872	xpmb = "default;";
1034	#endif	873	#endif
1035	break;	874	break;
1036	}	875	}
1037		876
1038	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	877	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1039
1040	#ifndef NO_BRIGHTCOLOR
1041	colorfgbg = DEFAULT_RSTYLE;
1042	for (i = minCOLOR; i <= maxCOLOR; i++)
1043	{
1044	if (PixColors[Color_fg] == PixColors[i])
1045	colorfgbg = SET_FGCOLOR (colorfgbg, i);
1046	if (PixColors[Color_bg] == PixColors[i])
1047	colorfgbg = SET_BGCOLOR (colorfgbg, i);
1048	}
1049	#endif
1050	}	878	}
1051		879
1052	/*----------------------------------------------------------------------*/	880	/*----------------------------------------------------------------------*/
1053	/*
1054	* Colour determination for low colour displays, routine from
1055	* Hans de Goede <hans@highrise.nl>
1056	*/
1057		881
1058	int	882	bool
1059	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	883	rxvt_term::set_color (rxvt_color &color, const char *name)
1060	{	884	{
1061	if (!screen_in_out->set (display, colour))	885	if (color.set (this, name))
1062	{
1063	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
1064	return false;
1065	}
1066
1067	return true;	886	return true;
		887
		888	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		889	return false;
		890	}
		891
		892	void
		893	rxvt_term::alias_color (int dst, int src)
		894	{
		895	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1068	}	896	}
1069		897
1070	/* -------------------------------------------------------------------- *	898	/* -------------------------------------------------------------------- *
1071	* - WINDOW RESIZING - *	899	* - WINDOW RESIZING - *
1072	* -------------------------------------------------------------------- */	900	* -------------------------------------------------------------------- */
1073	void	901	void
1074	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	902	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1075	{	903	{
1076	int fix_screen;	904	int fix_screen;
		905	int old_width = szHint.width;
		906	int old_height = szHint.height;
1077		907
1078	#ifdef SMART_RESIZE
1079	int old_width = szHint.width, old_height = szHint.height;
1080	#endif
1081
1082	window_calc (width, height);	908	window_calc (newwidth, newheight);
		909
		910	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
1083	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	911	XSetWMNormalHints (dpy, parent[0], &szHint);
		912
1084	if (!ignoreparent)	913	if (!ignoreparent)
1085	{	914	{
1086	#ifdef SMART_RESIZE	915	#ifdef SMART_RESIZE
1087	/*	916	/*
1088	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	917	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
1091	int x, y, x1, y1;	920	int x, y, x1, y1;
1092	int dx, dy;	921	int dx, dy;
1093	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	922	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1094	Window unused_cr;	923	Window unused_cr;
1095		924
1096	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	925	XTranslateCoordinates (dpy, parent[0], display->root,
1097	0, 0, &x, &y, &unused_cr);	926	0, 0, &x, &y, &unused_cr);
1098	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	927	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
1099	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	928	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
1100	/*	929	/*
1101	* if display->root isn't the parent window, a WM will probably have offset	930	* if display->root isn't the parent window, a WM will probably have offset
1102	* our position for handles and decorations. Counter it	931	* our position for handles and decorations. Counter it
1103	*/	932	*/
…		…
1105	{	934	{
1106	x -= x1;	935	x -= x1;
1107	y -= y1;	936	y -= y1;
1108	}	937	}
1109		938
1110	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	939	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1111	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	940	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1112	dx = old_width - szHint.width;	941	dx = old_width - szHint.width;
1113	dy = old_height - szHint.height;	942	dy = old_height - szHint.height;
1114		943
1115	/* Check position of the center of the window */	944	/* Check position of the center of the window */
1116	if (x < x1) /* left half */	945	if (x < x1) /* left half */
1117	dx = 0;	946	dx = 0;
…		…
1120	if (y < y1) /* top half */	949	if (y < y1) /* top half */
1121	dy = 0;	950	dy = 0;
1122	else if (y == y1) /* exact center */	951	else if (y == y1) /* exact center */
1123	dy /= 2;	952	dy /= 2;
1124		953
1125	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	954	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
1126	szHint.width, szHint.height);	955	szHint.width, szHint.height);
1127	#else	956	#else
1128	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	957	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
1129	szHint.height);
1130	#endif	958	#endif
1131
1132	}	959	}
1133		960
1134	fix_screen = (TermWin.ncol != prev_ncol	961	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1135	|| TermWin.nrow != prev_nrow);
1136		962
1137	if (fix_screen || width != old_width || height != old_height)	963	if (fix_screen || newwidth != old_width || newheight != old_height)
1138	{	964	{
1139	if (scrollbar_visible ())	965	if (scrollBar.state)
1140	{	966	scrollBar.resize ();
1141	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
1142	0, scrollbar_TotalWidth (), szHint.height);
1143	resize_scrollbar ();
1144	}
1145		967
1146	if (menubar_visible ())	968	XMoveResizeWindow (dpy, vt,
1147	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	969	window_vt_x, window_vt_y,
1148	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
1149
1150	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
1151	window_vt_y, TermWin_TotalWidth (),
1152	TermWin_TotalHeight ());	970	width, height);
1153	scr_clear (height != old_height);
1154	#ifdef XPM_BACKGROUND
1155	resize_pixmap ();
1156	#endif
1157		971
		972	#ifdef HAVE_BG_PIXMAP
		973	if (bgPixmap.window_size_sensitive ())
		974	update_background ();
		975	#endif
		976
		977	scr_clear ();
1158	}	978	}
1159		979
1160	if (fix_screen || old_height == 0)	980	if (fix_screen || old_height == 0)
1161	{
1162	int curr_screen = -1;
1163	int old_ncol = prev_ncol;
1164
1165	/* scr_reset only works on the primary screen */
1166	if (old_height) /* this is not the first time through */
1167	{
1168	unsigned int ncol = TermWin.ncol;
1169	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1170	curr_screen = scr_change_screen (PRIMARY);
1171	TermWin.ncol = ncol;
1172	}
1173
1174	scr_reset ();	981	scr_reset ();
1175		982
1176	if (curr_screen >= 0) /* this is not the first time through */	983	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
1177	{	984	//scr_touch (false);
1178	scr_change_screen (curr_screen);
1179	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1180	}
1181	}
1182		985
1183	old_width = szHint.width;	986	#ifdef HAVE_BG_PIXMAP
1184	old_height = szHint.height;	987	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		988	// if (bgPixmap.pixmap)
		989	// scr_touch (false);
		990	#endif
1185		991
1186	#ifdef USE_XIM	992	#ifdef USE_XIM
1187	IMSetStatusPosition ();	993	IMSetPosition ();
1188	#endif	994	#endif
1189	}	995	}
1190		996
1191	/*	997	/*
1192	* Set the width/height of the vt window in characters. Units are pixels.	998	* Set the width/height of the vt window in characters. Units are pixels.
1193	* good for toggling 80/132 columns	999	* good for toggling 80/132 columns
1194	*/	1000	*/
1195	void	1001	void
1196	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1002	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1197	{	1003	{
1198	XWindowAttributes wattr;	1004	XWindowAttributes wattr;
1199		1005
1200	if (width == 0 || height == 0)	1006	if (newwidth == 0 || newheight == 0)
1201	{	1007	{
1202	XGetWindowAttributes (display->display, display->root, &wattr);	1008	XGetWindowAttributes (dpy, display->root, &wattr);
		1009
1203	if (width == 0)	1010	if (newwidth == 0)
1204	width = wattr.width - szHint.base_width;	1011	newwidth = wattr.width - szHint.base_width;
1205	if (height == 0)	1012	if (newheight == 0)
1206	height = wattr.height - szHint.base_height;	1013	newheight = wattr.height - szHint.base_height;
1207	}
1208	if (width != TermWin.width || height != TermWin.height)
1209	{	1014	}
		1015
		1016	if (newwidth != width || newheight != height)
		1017	{
1210	width += szHint.base_width;	1018	newwidth += szHint.base_width;
1211	height += szHint.base_height;	1019	newheight += szHint.base_height;
1212	resize_all_windows (width, height, 0);	1020	resize_all_windows (newwidth, newheight, 0);
1213	}	1021	}
1214	}	1022	}
1215		1023
1216	/* -------------------------------------------------------------------- *	1024	/* -------------------------------------------------------------------- *
1217	* - X INPUT METHOD ROUTINES - *	1025	* - X INPUT METHOD ROUTINES - *
1218	* -------------------------------------------------------------------- */	1026	* -------------------------------------------------------------------- */
1219	#ifdef USE_XIM	1027	#ifdef USE_XIM
1220		1028
1221	void	1029	void
		1030	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1031	{
		1032	fg = pix_colors [Color_fg];
		1033	bg = pix_colors [Color_bg];
		1034	}
		1035
		1036	void
1222	rxvt_term::im_set_size (XRectangle *size)	1037	rxvt_term::im_set_size (XRectangle &size)
1223	{	1038	{
1224	size->x = TermWin.int_bwidth;	1039	// the int_bwidth terms make no sense to me
1225	size->y = TermWin.int_bwidth;	1040	size.x = int_bwidth;
1226	size->width = Width2Pixel (TermWin.ncol);	1041	size.y = int_bwidth;
1227	size->height = Height2Pixel (TermWin.nrow);	1042	size.width = Width2Pixel (ncol) + int_bwidth;
		1043	size.height = Height2Pixel (nrow) + int_bwidth;
1228	}	1044	}
1229		1045
1230	void	1046	void
1231	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1047	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1048	XRectangle &status_rect,
		1049	const XRectangle &needed_rect)
1232	{	1050	{
1233	*fg = PixColors[Color_fg];	1051	preedit_rect.x = needed_rect.width;
1234	*bg = PixColors[Color_bg];	1052	preedit_rect.y = 0;
		1053	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1054	preedit_rect.height = fheight;
		1055
		1056	status_rect.x = 0;
		1057	status_rect.y = 0;
		1058	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1059	status_rect.height = fheight;
1235	}	1060	}
1236		1061
1237	/* Checking whether input method is running. */	1062	/* Checking whether input method is running. */
1238	bool	1063	bool
1239	rxvt_term::IMisRunning ()	1064	rxvt_term::IMisRunning ()
1240	{	1065	{
1241	char *p;	1066	char *p;
1242	Atom atom;	1067	Atom atom;
1243	Window win;	1068	Window win;
1244	char server[IMBUFSIZ];	1069	char server[IMBUFSIZ];
1245		1070
1246	/* get current locale modifier */	1071	/* get current locale modifier */
1247	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1072	if ((p = XSetLocaleModifiers (NULL)) != NULL)
1248	{	1073	{
1249	STRCPY (server, "@server=");	1074	strcpy (server, "@server=");
1250	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1075	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1076
1251	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1077	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1252	*p = '\0';	1078	*p = '\0';
1253		1079
1254	atom = XInternAtom (display->display, server, False);	1080	atom = XInternAtom (dpy, server, False);
1255	win = XGetSelectionOwner (display->display, atom);	1081	win = XGetSelectionOwner (dpy, atom);
		1082
1256	if (win != None)	1083	if (win != None)
1257	return True;	1084	return True;
1258	}	1085	}
		1086
1259	return False;	1087	return False;
1260	}	1088	}
1261		1089
1262	void	1090	void
1263	rxvt_term::IMSendSpot ()	1091	rxvt_term::IMSendSpot ()
1264	{	1092	{
1265	XPoint spot;	1093	XPoint nspot;
1266	XVaNestedList preedit_attr;	1094	XVaNestedList preedit_attr;
1267		1095
1268	if (Input_Context == NULL	1096	if (!Input_Context
1269	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1097	|| !focus
1270	|| ! (event_type == KeyPress	1098	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1271	|| event_type == Expose
1272	|| event_type == NoExpose
1273	|| event_type == SelectionNotify
1274	|| event_type == ButtonRelease || event_type == FocusIn)
1275	|| !IMisRunning ())
1276	return;	1099	return;
1277		1100
1278	im_set_position (&spot);	1101	im_set_position (nspot);
		1102
		1103	if (nspot.x == spot.x && nspot.y == spot.y)
		1104	return;
		1105
		1106	spot = nspot;
1279		1107
1280	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1108	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1281	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1109	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1282	XFree (preedit_attr);	1110	XFree (preedit_attr);
1283	}	1111	}
1284		1112
1285	void	1113	void
1286	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1287	XRectangle * needed_rect)
1288	{
1289	int mbh, vtx = 0;
1290
1291	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1292	vtx = scrollbar_TotalWidth ();
1293
1294	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1295	mbh -= TermWin.lineSpace;
1296
1297	preedit_rect->x = needed_rect->width + vtx;
1298	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1299
1300	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1301	preedit_rect->height = Height2Pixel (1);
1302
1303	status_rect->x = vtx;
1304	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1305
1306	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1307	status_rect->height = Height2Pixel (1);
1308	}
1309
1310	void
1311	rxvt_term::im_destroy ()	1114	rxvt_term::im_destroy ()
1312	{	1115	{
1313	if (Input_Context)
1314	{
1315	XDestroyIC (Input_Context);
1316	Input_Context = NULL;
1317	}
1318
1319	if (input_method)	1116	if (input_method)
1320	{	1117	{
		1118	if (Input_Context && input_method->xim)
		1119	XDestroyIC (Input_Context);
		1120
1321	display->put_xim (input_method);	1121	display->put_xim (input_method);
1322	input_method = 0;	1122	input_method = 0;
1323	}	1123	}
		1124
		1125	Input_Context = 0;
1324	}	1126	}
		1127
		1128	#ifdef ENABLE_XIM_ONTHESPOT
		1129
		1130	static void
		1131	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1132	{
		1133	((rxvt_term *)client_data)->make_current ();
		1134	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1135	}
		1136
		1137	static void
		1138	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1139	{
		1140	((rxvt_term *)client_data)->make_current ();
		1141	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1142	}
		1143
		1144	static void
		1145	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1146	{
		1147	rxvt_term *term = (rxvt_term *)client_data;
		1148	XIMText *text = call_data->text;
		1149
		1150	term->make_current ();
		1151
		1152	if (text)
		1153	{
		1154	void *str;
		1155
		1156	if (!text->encoding_is_wchar && text->string.multi_byte)
		1157	{
		1158	// of course, X makes it ugly again
		1159	if (term->rs[Rs_imLocale])
		1160	SET_LOCALE (term->rs[Rs_imLocale]);
		1161
		1162	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1163	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1164
		1165	if (term->rs[Rs_imLocale])
		1166	SET_LOCALE (term->locale);
		1167	}
		1168	else
		1169	str = (void *)text->string.wide_char;
		1170
		1171	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1172	DT_INT, call_data->caret,
		1173	DT_INT, call_data->chg_first,
		1174	DT_INT, call_data->chg_length,
		1175	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1176	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1177	DT_END));
		1178	}
		1179	else
		1180	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1181	DT_INT, call_data->caret,
		1182	DT_INT, call_data->chg_first,
		1183	DT_INT, call_data->chg_length,
		1184	DT_END));
		1185	}
		1186
		1187	#if 0
		1188	static void
		1189	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1190	{
		1191	((rxvt_term *)client_data)->make_current ();
		1192	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1193	DT_INT, call_data->position,
		1194	DT_INT, call_data->direction,
		1195	DT_INT, call_data->style,
		1196	DT_END));
		1197	}
		1198	#endif
		1199
		1200	#endif
1325		1201
1326	/*	1202	/*
1327	* Try to open a XIM with the current modifiers, then see if we can	1203	* Try to open a XIM with the current modifiers, then see if we can
1328	* open a suitable preedit type	1204	* open a suitable preedit type
1329	*/	1205	*/
1330	bool	1206	bool
1331	rxvt_term::IM_get_IC (const char *modifiers)	1207	rxvt_term::IM_get_IC (const char *modifiers)
1332	{	1208	{
1333	int i, j, found;	1209	int i, j, found;
1334	XIM xim;	1210	XIM xim;
1335	XPoint spot;	1211	XPoint spot;
1336	XRectangle rect, status_rect, needed_rect;	1212	XRectangle rect, status_rect, needed_rect;
1337	unsigned long fg, bg;	1213	unsigned long fg, bg;
1338	const char *p;	1214	const char *p;
1339	char **s;	1215	char **s;
1340	XIMStyles *xim_styles;	1216	XIMStyles *xim_styles;
1341	XVaNestedList preedit_attr, status_attr;	1217	#ifdef ENABLE_XIM_ONTHESPOT
		1218	XIMCallback xcb[4];
		1219	#endif
		1220
		1221	set_environ (envv);
1342		1222
1343	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1223	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1344	return false;	1224	return false;
1345		1225
1346	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1347	input_method = display->get_xim (locale, modifiers);	1226	input_method = display->get_xim (locale, modifiers);
1348	if (input_method == NULL)	1227	if (input_method == NULL)
1349	return false;	1228	return false;
1350		1229
1351	xim = input_method->xim;	1230	xim = input_method->xim;
		1231	spot.x = spot.y = -1;
1352		1232
1353	xim_styles = NULL;	1233	xim_styles = NULL;
1354	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1234	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1355	|| !xim_styles || !xim_styles->count_styles)	1235	|| !xim_styles || !xim_styles->count_styles)
1356	{	1236	{
1357	display->put_xim (input_method);	1237	im_destroy ();
1358	return false;	1238	return false;
1359	}	1239	}
1360		1240
1361	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1241	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1242
		1243	for (int pi = 0; pi < 2; pi++)
		1244	{
		1245	p = pet[pi];
		1246
		1247	if (!p)
		1248	continue;
		1249
1362	s = rxvt_splitcommastring (p);	1250	s = rxvt_splitcommastring (p);
		1251
1363	for (i = found = 0; !found && s[i]; i++)	1252	for (i = found = 0; !found && s[i]; i++)
1364	{	1253	{
1365	if (!STRCMP (s[i], "OverTheSpot"))	1254	if (!strcmp (s[i], "OverTheSpot"))
1366	input_style = (XIMPreeditPosition | XIMStatusNothing);	1255	input_style = XIMPreeditPosition | XIMStatusNothing;
1367	else if (!STRCMP (s[i], "OffTheSpot"))	1256	else if (!strcmp (s[i], "OffTheSpot"))
1368	input_style = (XIMPreeditArea | XIMStatusArea);	1257	input_style = XIMPreeditArea | XIMStatusArea;
1369	else if (!STRCMP (s[i], "Root"))	1258	else if (!strcmp (s[i], "Root"))
1370	input_style = (XIMPreeditNothing | XIMStatusNothing);	1259	input_style = XIMPreeditNothing | XIMStatusNothing;
		1260	else if (!strcmp (s[i], "None"))
		1261	input_style = XIMPreeditNone | XIMStatusNone;
		1262	#ifdef ENABLE_XIM_ONTHESPOT
		1263	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1264	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1265	#endif
		1266	else
		1267	input_style = XIMPreeditNothing | XIMStatusNothing;
1371		1268
1372	for (j = 0; j < xim_styles->count_styles; j++)	1269	for (j = 0; j < xim_styles->count_styles; j++)
1373	if (input_style == xim_styles->supported_styles[j])	1270	if (input_style == xim_styles->supported_styles[j])
1374	{	1271	{
		1272	rxvt_freecommastring (s);
		1273
1375	found = 1;	1274	found = 1;
1376	break;	1275	goto foundpet;
		1276	}
		1277
1377	}	1278	}
1378	}
1379		1279
1380	for (i = 0; s[i]; i++)	1280	rxvt_freecommastring (s);
1381	free (s[i]);	1281	}
1382		1282
1383	free (s);	1283	foundpet:
		1284
1384	XFree (xim_styles);	1285	XFree (xim_styles);
1385		1286
1386	if (!found)	1287	if (!found)
1387	{	1288	{
1388	display->put_xim (input_method);	1289	im_destroy ();
1389	return false;	1290	return false;
1390	}	1291	}
1391		1292
1392	preedit_attr = status_attr = NULL;	1293	XFontSet fs = 0;
		1294	XVaNestedList preedit_attr = 0, status_attr = 0;
		1295
		1296	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1297	{
		1298	// fake us a font-set, please
		1299	char **missing_charset_list;
		1300	int missing_charset_count;
		1301	char *def_string;
		1302	char pat[512];
		1303
		1304	sprintf (pat,
		1305	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1306	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1307	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1308	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1309	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1310	"*",
		1311	fheight,
		1312	fheight + 1, fheight - 1,
		1313	fheight - 2, fheight + 2);
		1314
		1315	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1316	&missing_charset_list, &missing_charset_count, &def_string);
		1317
		1318	if (missing_charset_list)
		1319	XFreeStringList (missing_charset_list);
		1320
		1321	if (!fs)
		1322	{
		1323	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1324	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1325	}
		1326	}
1393		1327
1394	if (input_style & XIMPreeditPosition)	1328	if (input_style & XIMPreeditPosition)
1395	{	1329	{
1396	im_set_size (&rect);	1330	im_set_size (rect);
1397	im_set_position (&spot);	1331	im_set_position (spot);
1398	im_set_color (&fg, &bg);	1332	im_set_color (fg, bg);
1399		1333
1400	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1334	preedit_attr = XVaCreateNestedList (0,
		1335	XNForeground, fg,
		1336	XNBackground, bg,
		1337	XNArea, &rect,
1401	XNSpotLocation, &spot,	1338	XNSpotLocation, &spot,
1402	XNForeground, fg, XNBackground, bg,
1403	//XNFontSet, TermWin.fontset,	1339	XNFontSet, fs,
1404	NULL);	1340	NULL);
1405	}	1341	}
1406	else if (input_style & XIMPreeditArea)	1342	else if (input_style & XIMPreeditArea)
1407	{	1343	{
1408	im_set_color (&fg, &bg);	1344	im_set_color (fg, bg);
1409		1345
1410	/*	1346	/*
1411	* The necessary width of preedit area is unknown	1347	* The necessary width of preedit area is unknown
1412	* until create input context.	1348	* until create input context.
1413	*/	1349	*/
1414	needed_rect.width = 0;	1350	needed_rect.width = 0;
1415
1416	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1351	im_set_preedit_area (rect, status_rect, needed_rect);
1417		1352
1418	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1353	preedit_attr = XVaCreateNestedList (0,
		1354	XNForeground, fg,
1419	XNForeground, fg, XNBackground, bg,	1355	XNBackground, bg,
		1356	XNArea, &rect,
		1357	XNFontSet, fs,
		1358	NULL);
		1359	status_attr = XVaCreateNestedList (0,
		1360	XNForeground, fg,
		1361	XNBackground, bg,
		1362	XNArea, &status_rect,
1420	//XNFontSet, TermWin.fontset,	1363	XNFontSet, fs,
1421	NULL);	1364	NULL);
1422	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,	1365	}
1423	XNForeground, fg, XNBackground, bg,	1366	#if ENABLE_XIM_ONTHESPOT
1424	//XNFontSet, TermWin.fontset,	1367	else if (input_style & XIMPreeditCallbacks)
		1368	{
		1369	im_set_position (spot);
		1370
		1371	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1372	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1373	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1374	# if 0
		1375	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1376	# endif
		1377
		1378	preedit_attr = XVaCreateNestedList (0,
		1379	XNSpotLocation, &spot,
		1380	XNPreeditStartCallback, &xcb[0],
		1381	XNPreeditDoneCallback , &xcb[1],
		1382	XNPreeditDrawCallback , &xcb[2],
		1383	# if 0
		1384	XNPreeditCaretCallback, &xcb[3],
		1385	# endif
1425	NULL);	1386	NULL);
1426	}	1387	}
		1388	#endif
1427		1389
1428	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1390	Input_Context = XCreateIC (xim,
		1391	XNInputStyle, input_style,
1429	XNClientWindow, TermWin.parent[0],	1392	XNClientWindow, vt,
1430	XNFocusWindow, TermWin.parent[0],	1393	XNFocusWindow, parent[0],
1431	preedit_attr ? XNPreeditAttributes : NULL,	1394	preedit_attr ? XNPreeditAttributes : NULL,
1432	preedit_attr,	1395	preedit_attr,
1433	status_attr ? XNStatusAttributes : NULL,	1396	status_attr ? XNStatusAttributes : NULL,
1434	status_attr, NULL);	1397	status_attr, NULL);
		1398
1435	if (preedit_attr) XFree (preedit_attr);	1399	if (preedit_attr) XFree (preedit_attr);
1436	if (status_attr) XFree (status_attr);	1400	if (status_attr) XFree (status_attr);
		1401	if (fs) XFreeFontSet (dpy, fs);
1437		1402
1438	if (Input_Context == NULL)	1403	if (Input_Context == NULL)
1439	{	1404	{
1440	rxvt_warn ("failed to create input context, continuing without XIM.\n");	1405	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1441	display->put_xim (input_method);	1406	im_destroy ();
1442	return false;	1407	return false;
1443	}	1408	}
1444		1409
1445	if (input_style & XIMPreeditArea)	1410	#if 0
		1411	// unfortunately, only the focus window is used by XIM, hard to fix
		1412	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1413	vt_select_input ();
		1414	#endif
		1415
1446	IMSetStatusPosition ();	1416	IMSetPosition ();
1447		1417
1448	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1449	return true;	1418	return true;
1450	}	1419	}
1451		1420
1452	void	1421	void
1453	rxvt_term::im_cb ()	1422	rxvt_term::im_cb ()
1454	{	1423	{
1455	int i, found, had_im;	1424	int i;
1456	const char *p;	1425	const char *p;
1457	char **s;	1426	char **s;
1458	char buf[IMBUFSIZ];	1427	char buf[IMBUFSIZ];
1459		1428
		1429	make_current ();
		1430
1460	im_destroy ();	1431	im_destroy ();
1461		1432
1462	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1463	if (Input_Context)	1433	if (Input_Context)
1464	return;	1434	return;
1465		1435
1466	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1436	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1467	if (rs[Rs_imLocale])	1437	if (rs[Rs_imLocale])
…		…
1472	if (p && *p)	1442	if (p && *p)
1473	{	1443	{
1474	bool found = false;	1444	bool found = false;
1475		1445
1476	s = rxvt_splitcommastring (p);	1446	s = rxvt_splitcommastring (p);
		1447
1477	for (i = 0; s[i]; i++)	1448	for (i = 0; s[i]; i++)
1478	{	1449	{
1479	if (*s[i])	1450	if (*s[i])
1480	{	1451	{
1481	STRCPY (buf, "@im=");	1452	strcpy (buf, "@im=");
1482	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1453	strncat (buf, s[i], IMBUFSIZ - 5);
1483	if (IM_get_IC (buf))	1454	if (IM_get_IC (buf))
1484	{	1455	{
1485	found = true;	1456	found = true;
1486	break;	1457	break;
1487	}	1458	}
1488	}	1459	}
1489	}	1460	}
1490	for (i = 0; s[i]; i++)	1461
1491	free (s[i]);	1462	rxvt_freecommastring (s);
1492	free (s);
1493		1463
1494	if (found)	1464	if (found)
1495	goto done;	1465	goto done;
1496	}	1466	}
1497		1467
…		…
1509	SET_LOCALE (locale);	1479	SET_LOCALE (locale);
1510	#endif	1480	#endif
1511	}	1481	}
1512		1482
1513	void	1483	void
1514	rxvt_term::IMSetStatusPosition ()	1484	rxvt_term::IMSetPosition ()
1515	{	1485	{
1516	XRectangle preedit_rect, status_rect, *needed_rect;	1486	XRectangle preedit_rect, status_rect, *needed_rect;
1517	XVaNestedList preedit_attr, status_attr;	1487	XVaNestedList preedit_attr, status_attr;
1518		1488
1519	if (Input_Context == NULL	1489	if (!Input_Context
1520	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1490	|| !focus
		1491	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1521	|| !IMisRunning ())	1492	|| !IMisRunning ())
1522	return;	1493	return;
1523		1494
		1495	if (input_style & XIMPreeditPosition)
		1496	{
		1497	im_set_size (preedit_rect);
		1498	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1499
		1500	XSetICValues (Input_Context,
		1501	XNPreeditAttributes, preedit_attr, NULL);
		1502	}
		1503	else
		1504	{
1524	/* Getting the necessary width of preedit area */	1505	/* Getting the necessary width of preedit area */
1525	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1506	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1526	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1507	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1527	XFree (status_attr);	1508	XFree (status_attr);
1528		1509
1529	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1510	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1511	XFree (needed_rect);
1530		1512
1531	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1513	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1532	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1514	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1533		1515
1534	XSetICValues (Input_Context,	1516	XSetICValues (Input_Context,
1535	XNPreeditAttributes, preedit_attr,	1517	XNPreeditAttributes, preedit_attr,
1536	XNStatusAttributes, status_attr, NULL);	1518	XNStatusAttributes, status_attr,
		1519	NULL);
1537		1520
		1521	XFree (status_attr);
		1522	}
		1523
1538	XFree (preedit_attr);	1524	XFree (preedit_attr);
1539	XFree (status_attr);
1540	}	1525	}
1541	#endif /* USE_XIM */	1526	#endif /* USE_XIM */
1542		1527
1543	/*----------------------------------------------------------------------*/	1528	void
1544	rxvt_t rxvt_current_term;	1529	rxvt_term::get_window_origin (int &x, int &y)
		1530	{
		1531	Window cr;
		1532	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1533	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1534	}
		1535
		1536	Pixmap
		1537	rxvt_term::get_pixmap_property (int prop_id)
		1538	{
		1539	if (prop_id > 0 && prop_id < NUM_XA)
		1540	if (xa[prop_id])
		1541	{
		1542	int aformat;
		1543	unsigned long nitems, bytes_after;
		1544	Atom atype;
		1545	unsigned char *prop = NULL;
		1546	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1547	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1548	&nitems, &bytes_after, &prop);
		1549	if (result == Success && prop && atype == XA_PIXMAP)
		1550	return *(Pixmap *)prop;
		1551	}
		1552
		1553	return None;
		1554	}
		1555
		1556	#ifdef HAVE_BG_PIXMAP
		1557	# if TRACE_PIXMAPS
		1558	# undef update_background
		1559	void
		1560	rxvt_term::trace_update_background (const char *file, int line)
		1561	{
		1562	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1563	update_background ();
		1564	}
		1565	# endif
		1566
		1567	void
		1568	rxvt_term::update_background ()
		1569	{
		1570	if (update_background_ev.is_active ())
		1571	return;
		1572
		1573	bgPixmap.invalidate ();
		1574
		1575	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1576
		1577	if (to_wait <= 0.)
		1578	bgPixmap.render ();
		1579	else
		1580	update_background_ev.start (to_wait);
		1581	}
		1582
		1583	void
		1584	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1585	{
		1586	make_current ();
		1587
		1588	update_background_ev.stop ();
		1589	bgPixmap.render ();
		1590	refresh_check ();
		1591	}
		1592
		1593	#endif /* HAVE_BG_PIXMAP */
1545		1594
1546	/*----------------------- end-of-file (C source) -----------------------*/	1595	/*----------------------- end-of-file (C source) -----------------------*/

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