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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.70 by root, Mon Jul 26 18:01:19 2004 UTC vs.
Revision 1.309 by root, Wed Feb 27 01:02:33 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);
159	#endif	164	#endif
160	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING	165	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
161	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),	166	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
162	#endif	167	#endif
163	#ifdef SELECTION_SCROLLING	168	#ifdef SELECTION_SCROLLING
164	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),	169	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
165	#endif	170	#endif
166	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)	171	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
167	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),	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),
168	#endif	180	#endif
169	#ifdef POINTER_BLANK	181	#ifdef POINTER_BLANK
170	pointer_ev (this, &rxvt_term::pointer_cb),	182	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
171	#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
172	#ifdef USE_XIM	237	#ifdef USE_XIM
173	im_ev (this, &rxvt_term::im_cb),	238	im_destroy ();
174	#endif	239	#endif
175	check_ev (this, &rxvt_term::check_cb),	240	scrollBar.destroy ();
176	destroy_ev (this, &rxvt_term::destroy_cb),	241	if (gc) XFreeGC (dpy, gc);
177	pty_ev (this, &rxvt_term::pty_cb),
178	incr_ev (this, &rxvt_term::incr_cb)
179	{
180	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
181		242
182	termlist.push_back (this);
183	}
184
185	rxvt_term::~rxvt_term ()
186	{
187	termlist.erase (find (termlist.begin (), termlist.end(), this));
188
189	if (cmd_fd >= 0)
190	close (cmd_fd);
191
192	#ifndef NO_SETOWNER_TTYDEV
193	privileged_ttydev (RESTORE);
194	#endif
195	#ifdef UTMP_SUPPORT
196	privileged_utmp (RESTORE);
197	#endif
198
199	delete TermWin.fontset;
200
201	if (display)
202	{
203	selection_clear ();
204
205	#ifdef MENUBAR
206	if (menubarGC) XFreeGC (display->display, menubarGC);
207	#endif
208	#ifdef XTERM_SCROLLBAR
209	if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC);
210	if (ShadowGC) XFreeGC (display->display, ShadowGC);
211	#endif
212	#ifdef PLAIN_SCROLLBAR
213	if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC);
214	#endif
215	#ifdef NEXT_SCROLLBAR
216	if (blackGC) XFreeGC (display->display, blackGC);
217	if (whiteGC) XFreeGC (display->display, whiteGC);
218	if (grayGC) XFreeGC (display->display, grayGC);
219	if (darkGC) XFreeGC (display->display, darkGC);
220	if (stippleGC) XFreeGC (display->display, stippleGC);
221	if (dimple) XFreePixmap (display->display, dimple);
222	if (upArrow) XFreePixmap (display->display, upArrow);
223	if (downArrow) XFreePixmap (display->display, downArrow);
224	if (upArrowHi) XFreePixmap (display->display, upArrowHi);
225	if (downArrowHi) XFreePixmap (display->display, downArrowHi);
226	#endif
227	#if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
228	if (topShadowGC) XFreeGC (display->display, topShadowGC);
229	if (botShadowGC) XFreeGC (display->display, botShadowGC);
230	if (scrollbarGC) XFreeGC (display->display, scrollbarGC);
231	#endif
232	if (TermWin.gc) XFreeGC (display->display, TermWin.gc);
233
234	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
235	delete menuBar.drawable;	243	delete drawable;
236	//if (menuBar.win)
237	// XDestroyWindow (display->display, menuBar.win);
238	#endif
239	delete TermWin.drawable;
240	// destroy all windows	244	// destroy all windows
241	if (TermWin.parent[0])	245	if (parent[0])
242	XDestroyWindow (display->display, TermWin.parent[0]);	246	XDestroyWindow (dpy, parent[0]);
243	}
244		247
245	// 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	}
246		256
247	delete PixColors;	257	clear ();
248		258
		259	display->flush (); /* ideally .put should do this */
249	displays.put (display);	260	displays.put (display);
		261	}
250		262
251	scr_release ();	263	scr_release ();
252		264
253	/* clear all resources */	265	/* clear all resources */
254	for (int i = 0; i < allocated.size (); i++)	266	for (int i = 0; i < allocated.size (); i++)
255	free (allocated[i]);	267	free (allocated [i]);
256		268
257	free (selection.text);	269	free (selection.text);
258	// TODO: manage env vars in child only(!)	270	// TODO: manage env vars in child only(!)
259	free (env_windowid);
260	free (env_display);	271	free (env_display);
261	free (env_term);	272	free (env_term);
262	free (env_colorfgbg);
263	free (locale);	273	free (locale);
264	#if 0	274	free (v_buffer);
265	free (codeset);	275	free (incr_buf);
266	#endif
267		276
268	delete envv;	277	delete envv;
269	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 ();
270	}	298	}
271		299
272	void	300	void
273	rxvt_term::destroy ()	301	rxvt_term::destroy ()
274	{	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
275	if (display)	312	if (display)
276	{	313	{
		314	#if USE_XIM
		315	im_ev.stop (display);
		316	#endif
		317	scrollbar_ev.stop (display);
		318	#if ENABLE_TRANSPARENCY || ENABLE_PERL
277	rootwin_ev.stop (display);	319	rootwin_ev.stop (display);
		320	#endif
		321	incr_ev.stop ();
278	termwin_ev.stop (display);	322	termwin_ev.stop (display);
279	vt_ev.stop (display);	323	vt_ev.stop (display);
280	#ifdef USE_XIM
281	im_destroy ();
282	im_ev.stop (display);
283	#endif
284	#ifdef HAVE_SCROLLBARS
285	scrollbar_ev.stop (display);
286	#endif
287	#ifdef MENUBAR
288	menubar_ev.stop (display);
289	#endif
290	}	324	}
291		325
292	check_ev.stop ();	326	flush_ev.stop ();
293	pty_ev.stop ();	327	pty_ev.stop ();
294	#ifdef CURSOR_BLINK	328	#ifdef CURSOR_BLINK
295	cursor_blink_ev.stop ();	329	cursor_blink_ev.stop ();
296	#endif	330	#endif
297	#ifdef TEXT_BLINK	331	#ifdef TEXT_BLINK
…		…
305	#endif	339	#endif
306	#ifdef POINTER_BLANK	340	#ifdef POINTER_BLANK
307	pointer_ev.stop ();	341	pointer_ev.stop ();
308	#endif	342	#endif
309		343
310	destroy_ev.start (0);	344	destroy_ev.start ();
311	}	345	}
312		346
313	void	347	void
314	rxvt_term::destroy_cb (time_watcher &w)	348	rxvt_term::destroy_cb (ev::idle &w, int revents)
315	{	349	{
316	SET_R (this);	350	make_current ();
317		351
318	delete this;	352	delete this;
319	}
320
321	/*----------------------------------------------------------------------*/
322	/* rxvt_init () */
323	bool
324	rxvt_term::init (int argc, const char *const *argv)
325	{
326	SET_R (this);
327
328	if (!init_vars ())
329	return false;
330
331	/*
332	* Save and then give up any super-user privileges
333	* If we need privileges in any area then we must specifically request it.
334	* We should only need to be root in these cases:
335	* 1. write utmp entries on some systems
336	* 2. chown tty on some systems
337	*/
338	privileges (SAVE);
339	privileges (IGNORE);
340
341	init_secondary ();
342
343	const char **cmd_argv = init_resources (argc, argv);
344
345	set_locale ("");
346
347	#if MENUBAR_MAX
348	menubar_read (rs[Rs_menu]);
349	#endif
350	#ifdef HAVE_SCROLLBARS
351	if (Options & Opt_scrollBar)
352	scrollBar.setIdle (); /* set existence for size calculations */
353	#endif
354
355	create_windows (argc, argv);
356
357	init_xlocale ();
358
359	scr_reset (); /* initialize screen */
360
361	#if 0
362	XSynchronize (display->display, True);
363	#endif
364
365	#ifdef HAVE_SCROLLBARS
366	if (Options & Opt_scrollBar)
367	resize_scrollbar (); /* create and map scrollbar */
368	#endif
369	#if (MENUBAR_MAX)
370	if (menubar_visible ())
371	XMapWindow (display->display, menuBar.win);
372	#endif
373	#ifdef TRANSPARENT
374	if (Options & Opt_transparent)
375	{
376	XSelectInput (display->display, display->root, PropertyChangeMask);
377	check_our_parents ();
378	}
379	#endif
380
381	rootwin_ev.start (display, display->root);
382
383	XMapWindow (display->display, TermWin.vt);
384	XMapWindow (display->display, TermWin.parent[0]);
385
386	init_command (cmd_argv);
387
388	pty_ev.start (cmd_fd, EVENT_READ);
389
390	check_ev.start ();
391
392	return true;
393	}
394
395	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
396
397	void
398	rxvt_init_signals ()
399	{
400	/* install exit handler for cleanup */
401	#if 0
402	#ifdef HAVE_ATEXIT
403	atexit (rxvt_clean_exit);
404	#else
405	#endif
406	#endif
407
408	struct sigaction sa;
409
410	sigfillset (&sa.sa_mask);
411	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
412	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
413	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
414	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
415	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
416	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
417	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
418
419	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
420	/* signal (SIGURG, SIG_DFL); */
421
422	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
423	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
424	}
425
426	/* ------------------------------------------------------------------------- *
427	* SIGNAL HANDLING & EXIT HANDLER *
428	* ------------------------------------------------------------------------- */
429	/*
430	* Catch a SIGCHLD signal and exit if the direct child has died
431	*/
432
433	void rxvt_term::child_exited (int pid)
434	{
435	for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
436	if (pid == (*t)->cmd_pid)
437	{
438	(*t)->destroy ();
439	break;
440	}
441	}
442
443	/* ARGSUSED */
444	/* EXTPROTO */
445	RETSIGTYPE
446	rxvt_Child_signal (int sig __attribute__ ((unused)))
447	{
448	int pid, save_errno = errno;
449
450	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
451	rxvt_term::child_exited (pid);
452
453	errno = save_errno;
454	}
455
456	/*
457	* Catch a fatal signal and tidy up before quitting
458	*/
459	/* EXTPROTO */
460	RETSIGTYPE
461	rxvt_Exit_signal (int sig)
462	{
463	signal (sig, SIG_DFL);
464	#ifdef DEBUG_CMD
465	rxvt_warn ("caught signal %d, exiting.\n", sig);
466	#endif
467	rxvt_clean_exit ();
468	kill (getpid (), sig);
469	}
470
471	/* INTPROTO */
472	int
473	rxvt_xerror_handler (Display *display, XErrorEvent *event)
474	{
475	if (GET_R->allowedxerror == -1)
476	GET_R->allowedxerror = event->error_code;
477	else
478	{
479	old_xerror_handler (display, event);
480	GET_R->destroy ();
481	}
482
483	return 0;
484	}	353	}
485		354
486	/*----------------------------------------------------------------------*/	355	/*----------------------------------------------------------------------*/
487	/*	356	/*
488	* Exit gracefully, clearing the utmp entry and restoring tty attributes	357	* Exit gracefully, clearing the utmp entry and restoring tty attributes
489	* 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
490	*/	359	*/
491	/* EXTPROTO */	360	static XErrorHandler old_xerror_handler;
492	void
493	rxvt_clean_exit ()
494	{
495	// TODO: rxvtd should clean up all ressources
496	if (GET_R)
497	GET_R->destroy ();
498	}
499		361
500	/* ------------------------------------------------------------------------- *	362	static void
501	* MEMORY ALLOCATION WRAPPERS *	363	rxvt_emergency_cleanup ()
502	* ------------------------------------------------------------------------- */
503	/* EXTPROTO */
504	void *
505	rxvt_malloc (size_t size)
506	{	364	{
507	void *p;	365	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
508		366	(*t)->emergency_cleanup ();
509	p = malloc (size);
510	if (p)
511	return p;
512
513	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
514	rxvt_clean_exit ();
515	exit (EXIT_FAILURE);
516	/* NOTREACHED */
517	}	367	}
518		368
519	/* EXTPROTO */	369	#if !ENABLE_MINIMAL
520	void *	370	static void
521	rxvt_calloc (size_t number, size_t size)	371	print_x_error (Display *dpy, XErrorEvent *event)
522	{	372	{
523	void *p;	373	char buffer[BUFSIZ];
524		374	char mesg[BUFSIZ];
525	p = calloc (number, size);	375	char number[32];
526	if (p)	376	char *mtype = "XlibMessage";
527	return p;	377	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
528		378	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
529	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");	379	rxvt_warn ("An X Error occured, trying to continue after report.\n");
530	rxvt_clean_exit ();	380	rxvt_warn ("%s: %s\n", mesg, buffer);
531	exit (EXIT_FAILURE);	381	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
532	/* 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);
533	}	415	}
		416	#endif
534		417
535	/* EXTPROTO */	418	int
536	void *	419	rxvt_xerror_handler (Display *display, XErrorEvent *event)
537	rxvt_realloc (void *ptr, size_t size)
538	{	420	{
539	void *p;	421	if (GET_R->allowedxerror == -1)
540		422	GET_R->allowedxerror = event->error_code;
541	if (ptr)
542	p = realloc (ptr, size);
543	else	423	else
544	p = malloc (size);	424	{
545	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
546	return p;	434	return 0;
		435	}
547		436
548	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");	437	int
549	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 ();
550	exit (EXIT_FAILURE);	443	_exit (EXIT_FAILURE);
551	/* NOTREACHED */
552	}	444	}
553		445
554	/* ------------------------------------------------------------------------- *	446	static struct sig_handlers
555	* PRIVILEGED OPERATIONS *
556	* ------------------------------------------------------------------------- */
557	/* take care of suid/sgid super-user (root) privileges */
558	void
559	rxvt_term::privileges (int mode)
560	{	447	{
561	#if ! defined(__CYGWIN32__)	448	ev::sig sw_term, sw_int;
562	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	449
563	/* setreuid () is the poor man's setuid (), seteuid () */	450	/*
564	# define seteuid(a) setreuid(-1, (a))	451	* Catch a fatal signal and tidy up before quitting
565	# define setegid(a) setregid(-1, (a))	452	*/
566	# define HAVE_SETEUID	453	void sig_term (ev::sig &w, int revents);
567	# endif	454
568	# ifdef HAVE_SETEUID	455	sig_handlers ()
569	switch (mode)
570	{	456	{
571	case IGNORE:	457	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
572	/*	458	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
573	* change effective uid/gid - not real uid/gid - so we can switch
574	* back to root later, as required
575	*/
576	seteuid (getuid ());
577	setegid (getgid ());
578	break;
579	case SAVE:
580	euid = geteuid ();
581	egid = getegid ();
582	break;
583	case RESTORE:
584	seteuid (euid);
585	setegid (egid);
586	break;
587	}	459	}
588	# else	460	} sig_handlers;
589	switch (mode)
590	{
591	case IGNORE:
592	setuid (getuid ());
593	setgid (getgid ());
594	/* FALLTHROUGH */
595	case SAVE:
596	/* FALLTHROUGH */
597	case RESTORE:
598	break;
599	}
600	# endif
601	#endif
602	}
603		461
604	#ifdef UTMP_SUPPORT
605	void	462	void
606	rxvt_term::privileged_utmp (char action)	463	sig_handlers::sig_term (ev::sig &w, int revents)
607	{	464	{
608	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",	465	rxvt_emergency_cleanup ();
609	action, next_utmp_action, getpid ()));	466	w.stop ();
610	if (next_utmp_action != action || (action != SAVE && action != RESTORE)	467	kill (getpid (), w.signum);
611	|| (Options & Opt_utmpInhibit)
612	|| ttydev == NULL || *ttydev == '\0')
613	return;
614
615	privileges (RESTORE);
616	if (action == SAVE)
617	{
618	next_utmp_action = RESTORE;
619	makeutent (ttydev, rs[Rs_display_name]);
620	}
621	else
622	{ /* action == RESTORE */
623	next_utmp_action = IGNORE;
624	cleanutent ();
625	}
626	privileges (IGNORE);
627	}	468	}
628	#endif
629		469
630	#ifndef NO_SETOWNER_TTYDEV	470	char **rxvt_environ; // startup environment
631	void
632	rxvt_term::privileged_ttydev (char action)
633	{
634	D_MAIN ((stderr,
635	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
636	action, next_tty_action, getpid ()));
637	if (next_tty_action != action || (action != SAVE && action != RESTORE)
638	|| ttydev == NULL || *ttydev == '\0')
639	return;
640		471
641	privileges (RESTORE);	472	void
		473	rxvt_init ()
		474	{
		475	ptytty::init ();
642		476
643	if (action == SAVE)	477	if (!ev_default_loop (0))
644	{	478	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
645	next_tty_action = RESTORE;
646	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
647	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
648	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
649	next_tty_action = IGNORE;
650	else
651	# endif
652		479
653	{	480	rxvt_environ = environ;
654	chown (ttydev, getuid (), ttygid); /* fail silently */
655	chmod (ttydev, ttymode);
656	# ifdef HAVE_REVOKE
657	revoke (ttydev);
658	# endif
659		481
660	}	482	signal (SIGHUP, SIG_IGN);
661	}	483	signal (SIGPIPE, SIG_IGN);
662	else
663	{ /* action == RESTORE */
664	next_tty_action = IGNORE;
665	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
666	chmod (ttydev, ttyfd_stat.st_mode);
667	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
668	# else
669	chmod (ttydev,
670	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
671	chown (ttydev, 0, 0);
672	# endif
673		484
674	}	485	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		486	sig_handlers.sw_int.start (SIGINT); ev_unref ();
675		487
676	privileges (IGNORE);	488	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		489	/* signal (SIGURG, SIG_DFL); */
677		490
678	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	491	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
679	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	492	// TODO: handle this with exceptions and tolerate the memory loss
680	action == RESTORE ? "Restoring" : (action ==	493	XSetIOErrorHandler (rxvt_xioerror_handler);
681	SAVE ? "Saving" :	494
682	"UNKNOWN ERROR for"), ttydev,	495	XrmInitialize ();
683	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
684	ttyfd_stat.st_gid));
685	# endif
686	}	496	}
687	#endif
688		497
689	/*----------------------------------------------------------------------*/	498	/*----------------------------------------------------------------------*/
690	/*	499	/*
691	* window size/position calculcations for XSizeHint and other storage.	500	* window size/position calculations for XSizeHint and other storage.
692	* if width/height are non-zero then override calculated width/height	501	* if width/height are non-zero then override calculated width/height
693	*/	502	*/
694	void	503	void
695	rxvt_term::window_calc (unsigned int width, unsigned int height)	504	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
696	{	505	{
697	short recalc_x, recalc_y;	506	short recalc_x, recalc_y;
698	int x, y, sb_w, mb_h, flags;	507	int x, y, flags;
699	unsigned int w, h;	508	unsigned int w, h;
700	unsigned int max_width, max_height;	509	unsigned int max_width, max_height;
701		510
702	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
703	TermWin.ncol, TermWin.nrow, szHint.width,
704	szHint.height));
705	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	511	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
706	szHint.win_gravity = NorthWestGravity;	512	szHint.win_gravity = NorthWestGravity;
707	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	513	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
708		514
709	recalc_x = recalc_y = 0;	515	recalc_x = recalc_y = 0;
710	flags = 0;	516	flags = 0;
		517
711	if (!parsed_geometry)	518	if (!parsed_geometry)
712	{	519	{
713	parsed_geometry = 1;	520	parsed_geometry = 1;
		521
714	if (rs[Rs_geometry])	522	if (rs[Rs_geometry])
715	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	523	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		524
716	if (flags & WidthValue)	525	if (flags & WidthValue)
717	{	526	{
718	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	527	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
719	szHint.flags |= USSize;	528	szHint.flags |= USSize;
720	}	529	}
		530
721	if (flags & HeightValue)	531	if (flags & HeightValue)
722	{	532	{
723	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	533	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
724	szHint.flags |= USSize;	534	szHint.flags |= USSize;
725	}	535	}
		536
726	if (flags & XValue)	537	if (flags & XValue)
727	{	538	{
728	szHint.x = x;	539	szHint.x = x;
729	szHint.flags |= USPosition;	540	szHint.flags |= USPosition;
		541
730	if (flags & XNegative)	542	if (flags & XNegative)
731	{	543	{
732	recalc_x = 1;	544	recalc_x = 1;
733	szHint.win_gravity = NorthEastGravity;	545	szHint.win_gravity = NorthEastGravity;
734	}	546	}
735	}	547	}
		548
736	if (flags & YValue)	549	if (flags & YValue)
737	{	550	{
738	szHint.y = y;	551	szHint.y = y;
739	szHint.flags |= USPosition;	552	szHint.flags |= USPosition;
		553
740	if (flags & YNegative)	554	if (flags & YNegative)
741	{	555	{
742	recalc_y = 1;	556	recalc_y = 1;
		557
743	if (szHint.win_gravity == NorthEastGravity)	558	if (szHint.win_gravity == NorthEastGravity)
744	szHint.win_gravity = SouthEastGravity;	559	szHint.win_gravity = SouthEastGravity;
745	else	560	else
746	szHint.win_gravity = SouthWestGravity;	561	szHint.win_gravity = SouthWestGravity;
747	}	562	}
748	}	563	}
		564
		565	if (!szHint.width || !szHint.height)
		566	rxvt_fatal ("window width or height must not be zero, aborting.\n");
749	}	567	}
750		568
751	/* TODO: BOUNDS */	569	/* TODO: BOUNDS */
752	TermWin.width = TermWin.ncol * TermWin.fwidth;	570	width = ncol * fwidth;
753	TermWin.height = TermWin.nrow * TermWin.fheight;	571	height = nrow * fheight;
754	max_width = MAX_COLS * TermWin.fwidth;	572	max_width = MAX_COLS * fwidth;
755	max_height = MAX_ROWS * TermWin.fheight;	573	max_height = MAX_ROWS * fheight;
756		574
757	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	575	szHint.base_width = szHint.base_height = 2 * int_bwidth;
758		576
759	sb_w = mb_h = 0;
760	window_vt_x = window_vt_y = TermWin.int_bwidth;	577	window_vt_x = window_vt_y = int_bwidth;
761		578
762	if (scrollbar_visible ())	579	if (scrollBar.state)
763	{	580	{
764	sb_w = scrollbar_TotalWidth ();	581	int sb_w = scrollBar.total_width ();
765	szHint.base_width += sb_w;	582	szHint.base_width += sb_w;
		583
766	if (!(Options & Opt_scrollBar_right))	584	if (!option (Opt_scrollBar_right))
767	window_vt_x += sb_w;	585	window_vt_x += sb_w;
768	}	586	}
769		587
770	if (menubar_visible ())
771	{
772	mb_h = menuBar_TotalHeight ();
773	szHint.base_height += mb_h;
774	window_vt_y += mb_h;
775	}
776
777	szHint.width_inc = TermWin.fwidth;	588	szHint.width_inc = fwidth;
778	szHint.height_inc = TermWin.fheight;	589	szHint.height_inc = fheight;
779	szHint.min_width = szHint.base_width + szHint.width_inc;	590	szHint.min_width = szHint.base_width + szHint.width_inc;
780	szHint.min_height = szHint.base_height + szHint.height_inc;	591	szHint.min_height = szHint.base_height + szHint.height_inc;
781		592
782	if (width && width - szHint.base_width < max_width)	593	if (newwidth && newwidth - szHint.base_width < max_width)
783	{	594	{
784	szHint.width = width;	595	szHint.width = newwidth;
785	TermWin.width = width - szHint.base_width;	596	width = newwidth - szHint.base_width;
786	}	597	}
787	else	598	else
788	{	599	{
789	MIN_IT (TermWin.width, max_width);	600	min_it (width, max_width);
790	szHint.width = szHint.base_width + TermWin.width;	601	szHint.width = szHint.base_width + width;
791	}	602	}
792		603
793	if (height && height - szHint.base_height < max_height)	604	if (newheight && newheight - szHint.base_height < max_height)
794	{	605	{
795	szHint.height = height;	606	szHint.height = newheight;
796	TermWin.height = height - szHint.base_height;	607	height = newheight - szHint.base_height;
797	}	608	}
798	else	609	else
799	{	610	{
800	MIN_IT (TermWin.height, max_height);	611	min_it (height, max_height);
801	szHint.height = szHint.base_height + TermWin.height;	612	szHint.height = szHint.base_height + height;
802	}	613	}
803
804	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
805	window_sb_x = szHint.width - sb_w;
806		614
807	if (recalc_x)	615	if (recalc_x)
808	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	616	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
809	- szHint.width - 2 * TermWin.ext_bwidth);	617
810	if (recalc_y)	618	if (recalc_y)
811	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	619	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
812	- szHint.height - 2 * TermWin.ext_bwidth);
813		620
814	TermWin.ncol = TermWin.width / TermWin.fwidth;	621	ncol = width / fwidth;
815	TermWin.nrow = TermWin.height / TermWin.fheight;	622	nrow = height / fheight;
816	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
817	TermWin.ncol, TermWin.nrow, szHint.width,
818	szHint.height));
819	return;
820	}	623	}
821		624
822	/*----------------------------------------------------------------------*/	625	/*----------------------------------------------------------------------*/
823	/*	626	/*
824	* Tell the teletype handler what size the window is.	627	* Tell the teletype handler what size the window is.
825	* Called after a window size change.	628	* Called after a window size change.
826	*/	629	*/
827	void	630	void
828	rxvt_term::tt_winch ()	631	rxvt_term::tt_winch ()
829	{	632	{
		633	if (pty->pty < 0)
		634	return;
		635
830	struct winsize ws;	636	struct winsize ws;
831		637
832	if (cmd_fd < 0)
833	return;
834
835	ws.ws_col = TermWin.ncol;	638	ws.ws_col = ncol;
836	ws.ws_row = TermWin.nrow;	639	ws.ws_row = nrow;
837	ws.ws_xpixel = ws.ws_ypixel = 0;	640	ws.ws_xpixel = width;
838	#ifndef DEBUG_SIZE	641	ws.ws_ypixel = height;
839	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	642	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
840	#else	643
841	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	644	#if 0
842	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	645	// TIOCSWINSZ is supposed to do this automatically and correctly
843	# ifdef SIGWINCH
844	else if (cmd_pid) /* force through to the command */	646	if (cmd_pid) /* force through to the command */
845	kill (cmd_pid, SIGWINCH);	647	kill (-cmd_pid, SIGWINCH);
846	# endif
847	#endif	648	#endif
848	}	649	}
849		650
850	/*----------------------------------------------------------------------*/	651	/*----------------------------------------------------------------------*/
851	/* rxvt_change_font () - Switch to a new font */	652	/* set_fonts () - load and set the various fonts
852	/*	653	*
853	* init = 1 - initialize	654	* init = 1 - initialize
854	*	655	*
855	* fontname == FONT_UP - switch to bigger font	656	* fontname == FONT_UP - switch to bigger font
856	* fontname == FONT_DN - switch to smaller font	657	* fontname == FONT_DN - switch to smaller font
857	*/	658	*/
858	bool	659	bool
859	rxvt_term::change_font (const char *fontname)	660	rxvt_term::set_fonts ()
860	{	661	{
861	if (fontname == FONT_UP)
862	{
863	// TODO
864	}
865	else if (fontname == FONT_DN)
866	{
867	// TODO
868	}
869	else
870	{
871	rxvt_fontset *fs = new rxvt_fontset (this);	662	rxvt_fontset *fs = new rxvt_fontset (this);
		663	rxvt_fontprop prop;
872		664
873	if (fs && fs->populate (fontname ? fontname : "fixed"))	665	if (!fs
		666	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		667	|| !fs->realize_font (1))
		668	{
		669	delete fs;
		670	return false;
		671	}
		672
		673	#if ENABLE_STYLES
		674	for (int i = RS_styleCount; --i; )
		675	if (fontset[i] != fontset[0])
		676	delete fontset[i];
		677	#endif
		678
		679	delete fontset[0];
		680	fontset[0] = fs;
		681
		682	prop = (*fs)[1]->properties ();
		683	prop.height += lineSpace;
		684
		685	fs->set_prop (prop, false);
		686
		687	fwidth = prop.width;
		688	fheight = prop.height;
		689	fbase = prop.ascent;
		690
		691	for (int style = 1; style < 4; style++)
		692	{
		693	#if ENABLE_STYLES
		694	const char *res = rs[Rs_font + style];
		695
		696	if (res && !*res)
		697	fontset[style] = fontset[0];
		698	else
874	{	699	{
875	delete TermWin.fontset;	700	fontset[style] = fs = new rxvt_fontset (this);
876	TermWin.fontset = fs;	701	rxvt_fontprop prop2 = prop;
877	TermWin.fwidth = fs->base_font ()->width;
878	TermWin.fheight = fs->base_font ()->height;
879	TermWin.fbase = fs->base_font ()->ascent;
880		702
881	if (TermWin.parent[0])	703	if (res)
882	{	704	{
883	resize_all_windows (0, 0, 0);	705	fs->populate (res);
884	scr_remap_chars ();	706	fs->set_prop (prop2, false);
885	scr_touch (true);
886	}	707	}
		708	else
		709	{
		710	fs->populate (fontset[0]->fontdesc);
887		711
888	return true;	712	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		713	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		714
		715	fs->set_prop (prop2, true);
		716	}
		717
889	}	718	}
		719	#else
		720	fontset[style] = fontset[0];
		721	#endif
		722	}
		723
		724	if (parent[0])
890	}	725	{
		726	resize_all_windows (0, 0, 0);
		727	scr_remap_chars ();
		728	scr_touch (true);
		729	}
891		730
892	return false;	731	return true;
893	}	732	}
894		733
895	bool	734	void
896	rxvt_term::font_up_down (int n, int direction)	735	rxvt_term::set_string_property (Atom prop, const char *str, int len)
897	{	736	{
898	return false;	737	XChangeProperty (dpy, parent[0],
		738	prop, XA_STRING, 8, PropModeReplace,
		739	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		740	}
		741
		742	void
		743	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		744	{
		745	wchar_t *ws = rxvt_mbstowcs (str, len);
		746	char *s = rxvt_wcstoutf8 (ws);
		747
		748	XChangeProperty (dpy, parent[0],
		749	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		750	(const unsigned char *)s, strlen (s));
		751
		752	free (s);
		753	free (ws);
899	}	754	}
900		755
901	/*----------------------------------------------------------------------*/	756	/*----------------------------------------------------------------------*/
902	/*----------------------------------------------------------------------*/	757	/*----------------------------------------------------------------------*/
903	/* xterm sequences - title, iconName, color (exptl) */	758	/* xterm sequences - title, iconName, color (exptl) */
904	void	759	void
905	rxvt_term::set_title (const char *str)	760	rxvt_term::set_title (const char *str)
906	{	761	{
907	#ifdef SMART_WINDOW_TITLE	762	set_string_property (XA_WM_NAME, str);
908	char *name;	763	#if ENABLE_EWMH
909		764	set_utf8_property (xa[XA_NET_WM_NAME], str);
910	if (!XFetchName (display->display, TermWin.parent[0], &name))
911	name = NULL;
912
913	if (name == NULL || STRCMP (name, str))
914	#endif
915	XStoreName (display->display, TermWin.parent[0], str);
916
917	#ifdef SMART_WINDOW_TITLE
918	if (name)
919	XFree (name);
920	#endif	765	#endif
921	}	766	}
922		767
923	void	768	void
924	rxvt_term::set_icon_name (const char *str)	769	rxvt_term::set_icon_name (const char *str)
925	{	770	{
926	#ifdef SMART_WINDOW_TITLE	771	set_string_property (XA_WM_ICON_NAME, str);
927	char *name;	772	#if ENABLE_EWMH
928		773	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
929	if (!XGetIconName (display->display, TermWin.parent[0], &name))
930	name = NULL;
931
932	if (name == NULL || STRCMP (name, str))
933	#endif	774	#endif
934	XSetIconName (display->display, TermWin.parent[0], str);
935
936	#ifdef SMART_WINDOW_TITLE
937	if (name)
938	XFree (name);
939	#endif
940	}	775	}
941		776
		777	void
		778	rxvt_term::set_window_color (int idx, const char *color)
		779	{
942	#ifdef XTERM_COLOR_CHANGE	780	#ifdef XTERM_COLOR_CHANGE
943	void
944	rxvt_term::set_window_color (int idx, const char *color)
945	{
946	rxvt_color xcol;	781	rxvt_color xcol;
947	int i;
948		782
949	if (color == NULL || *color == '\0')	783	if (color == NULL || *color == '\0')
950	return;	784	return;
951		785
		786	color = strdup (color);
		787	allocated.push_back ((void *)color);
		788	rs[Rs_color + idx] = color;
		789
952	/* handle color aliases */	790	/* handle color aliases */
953	if (isdigit (*color))	791	if (isdigit (*color))
954	{	792	{
955	i = atoi (color);	793	int i = atoi (color);
		794
956	if (i >= 8 && i <= 15)	795	if (i >= 8 && i <= 15)
		796	{
957	{ /* bright colors */	797	/* bright colors */
958	i -= 8;
959	# ifndef NO_BRIGHTCOLOR
960	PixColors[idx] = PixColors[minBrightCOLOR + i];	798	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
961	SET_PIXCOLOR (idx);
962	goto Done;	799	goto done;
963	# endif
964
965	}	800	}
		801
966	if (i >= 0 && i <= 7)	802	if (i >= 0 && i <= 7)
		803	{
967	{ /* normal colors */	804	/* normal colors */
968	PixColors[idx] = PixColors[minCOLOR + i];	805	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
969	SET_PIXCOLOR (idx);
970	goto Done;	806	goto done;
971	}	807	}
972	}	808	}
973		809
974	if (!rXParseAllocColor (& xcol, color))	810	set_color (xcol, color);
975	return;
976
977	/* XStoreColor (display->display, XCMAP, XColor*); */
978		811
979	/*	812	/*
980	* FIXME: should free colors here, but no idea how to do it so instead,	813	* FIXME: should free colors here, but no idea how to do it so instead,
981	* so just keep gobbling up the colormap	814	* so just keep gobbling up the colormap
982	*/	815	*/
983	# if 0
984	for (i = Color_Black; i <= Color_White; i++)
985	if (PixColors[idx] == PixColors[i])
986	break;
987	if (i > Color_White)
988	{
989	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
990	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,
991	DisplayPlanes (display->display, display->screen));
992	}
993	# endif
994		816
995	PixColors[idx] = xcol;	817	pix_colors_focused[idx] = xcol;
996	SET_PIXCOLOR (idx);
997		818
998	/* XSetWindowAttributes attr; */
999	/* Cursor cursor; */
1000	Done:	819	done:
1001	if (idx == Color_bg && ! (Options & Opt_transparent))
1002	XSetWindowBackground (display->display, TermWin.vt,
1003	PixColors[Color_bg]);
1004
1005	/* handle Color_BD, scrollbar background, etc. */	820	/*TODO: handle Color_BD, scrollbar background, etc. */
1006		821
1007	set_colorfgbg ();	822	update_fade_color (idx);
1008	recolour_cursor ();	823	recolour_cursor ();
1009	scr_touch (true);	824	scr_recolour ();
		825	#endif /* XTERM_COLOR_CHANGE */
1010	}	826	}
1011
1012	#else
1013	# define set_window_color (idx,color) ((void)0)
1014	#endif /* XTERM_COLOR_CHANGE */
1015		827
1016	void	828	void
1017	rxvt_term::recolour_cursor ()	829	rxvt_term::recolour_cursor ()
1018	{	830	{
1019	XColor xcol[2];	831	XColor fg, bg;
1020		832
1021	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg) ? PixColors[Color_pointer_fg] : PixColors[Color_fg];	833	(ISSET_PIXCOLOR (Color_pointer_fg)
1022	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg) ? PixColors[Color_pointer_bg] : PixColors[Color_bg];	834	? pix_colors_focused[Color_pointer_fg]
1023	XQueryColors (display->display, XCMAP, xcol, 2);	835	: pix_colors_focused[Color_fg]).get (fg);
1024	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);	836
		837	(ISSET_PIXCOLOR (Color_pointer_bg)
		838	? pix_colors_focused[Color_pointer_bg]
		839	: pix_colors_focused[Color_bg]).get (bg);
		840
		841	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
1025	}	842	}
1026		843
1027	/*----------------------------------------------------------------------*/	844	/*----------------------------------------------------------------------*/
1028	/*	845	/*
1029	* find if fg/bg matches any of the normal (low-intensity) colors	846	* find if fg/bg matches any of the normal (low-intensity) colors
1030	*/	847	*/
1031	void	848	void
1032	rxvt_term::set_colorfgbg ()	849	rxvt_term::set_colorfgbg ()
1033	{	850	{
1034	unsigned int i;	851	unsigned int i;
1035	const char *xpmb = "\0";	852	const char *xpmb = "";
1036	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	853	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
1037		854
1038	env_colorfgbg =
1039	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
1040	STRCPY (fstr, "default");	855	strcpy (fstr, "default");
1041	STRCPY (bstr, "default");	856	strcpy (bstr, "default");
1042	for (i = Color_Black; i <= Color_White; i++)	857	for (i = Color_Black; i <= Color_White; i++)
1043	if (PixColors[Color_fg] == PixColors[i])	858	if (pix_colors[Color_fg] == pix_colors[i])
1044	{	859	{
1045	sprintf (fstr, "%d", (i - Color_Black));	860	sprintf (fstr, "%d", (i - Color_Black));
1046	break;	861	break;
1047	}	862	}
		863
1048	for (i = Color_Black; i <= Color_White; i++)	864	for (i = Color_Black; i <= Color_White; i++)
1049	if (PixColors[Color_bg] == PixColors[i])	865	if (pix_colors[Color_bg] == pix_colors[i])
1050	{	866	{
1051	sprintf (bstr, "%d", (i - Color_Black));	867	sprintf (bstr, "%d", (i - Color_Black));
1052	#ifdef XPM_BACKGROUND	868	#ifdef BG_IMAGE_FROM_FILE
1053	xpmb = "default;";	869	xpmb = "default;";
1054	#endif	870	#endif
1055	break;	871	break;
1056	}	872	}
1057		873
1058	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	874	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1059
1060	#ifndef NO_BRIGHTCOLOR
1061	colorfgbg = DEFAULT_RSTYLE;
1062	for (i = minCOLOR; i <= maxCOLOR; i++)
1063	{
1064	if (PixColors[Color_fg] == PixColors[i])
1065	colorfgbg = SET_FGCOLOR (colorfgbg, i);
1066	if (PixColors[Color_bg] == PixColors[i])
1067	colorfgbg = SET_BGCOLOR (colorfgbg, i);
1068	}
1069	#endif
1070	}	875	}
1071		876
1072	/*----------------------------------------------------------------------*/	877	/*----------------------------------------------------------------------*/
1073	/*
1074	* Colour determination for low colour displays, routine from
1075	* Hans de Goede <hans@highrise.nl>
1076	*/
1077		878
1078	int	879	bool
1079	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	880	rxvt_term::set_color (rxvt_color &color, const char *name)
1080	{	881	{
1081	if (!screen_in_out->set (display, colour))	882	if (color.set (this, name))
1082	{
1083	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
1084	return false;
1085	}
1086
1087	return true;	883	return true;
		884
		885	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		886	return false;
		887	}
		888
		889	void
		890	rxvt_term::alias_color (int dst, int src)
		891	{
		892	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1088	}	893	}
1089		894
1090	/* -------------------------------------------------------------------- *	895	/* -------------------------------------------------------------------- *
1091	* - WINDOW RESIZING - *	896	* - WINDOW RESIZING - *
1092	* -------------------------------------------------------------------- */	897	* -------------------------------------------------------------------- */
1093	void	898	void
1094	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	899	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1095	{	900	{
1096	int fix_screen;	901	int fix_screen;
		902	int old_width = szHint.width;
		903	int old_height = szHint.height;
1097		904
1098	#ifdef SMART_RESIZE
1099	int old_width = szHint.width, old_height = szHint.height;
1100	#endif
1101
1102	window_calc (width, height);	905	window_calc (newwidth, newheight);
		906
		907	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
1103	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	908	XSetWMNormalHints (dpy, parent[0], &szHint);
1104		909
1105	if (!ignoreparent)	910	if (!ignoreparent)
1106	{	911	{
1107	#ifdef SMART_RESIZE	912	#ifdef SMART_RESIZE
1108	/*	913	/*
…		…
1112	int x, y, x1, y1;	917	int x, y, x1, y1;
1113	int dx, dy;	918	int dx, dy;
1114	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	919	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1115	Window unused_cr;	920	Window unused_cr;
1116		921
1117	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	922	XTranslateCoordinates (dpy, parent[0], display->root,
1118	0, 0, &x, &y, &unused_cr);	923	0, 0, &x, &y, &unused_cr);
1119	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	924	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
1120	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	925	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
1121	/*	926	/*
1122	* if display->root isn't the parent window, a WM will probably have offset	927	* if display->root isn't the parent window, a WM will probably have offset
1123	* our position for handles and decorations. Counter it	928	* our position for handles and decorations. Counter it
1124	*/	929	*/
…		…
1126	{	931	{
1127	x -= x1;	932	x -= x1;
1128	y -= y1;	933	y -= y1;
1129	}	934	}
1130		935
1131	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	936	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1132	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	937	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1133	dx = old_width - szHint.width;	938	dx = old_width - szHint.width;
1134	dy = old_height - szHint.height;	939	dy = old_height - szHint.height;
1135		940
1136	/* Check position of the center of the window */	941	/* Check position of the center of the window */
1137	if (x < x1) /* left half */	942	if (x < x1) /* left half */
1138	dx = 0;	943	dx = 0;
…		…
1141	if (y < y1) /* top half */	946	if (y < y1) /* top half */
1142	dy = 0;	947	dy = 0;
1143	else if (y == y1) /* exact center */	948	else if (y == y1) /* exact center */
1144	dy /= 2;	949	dy /= 2;
1145		950
1146	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	951	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
1147	szHint.width, szHint.height);	952	szHint.width, szHint.height);
1148	#else	953	#else
1149	XResizeWindow (display->display, TermWin.parent[0], szHint.width, szHint.height);	954	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
1150	#endif	955	#endif
1151	}	956	}
1152		957
1153	fix_screen = TermWin.ncol != prev_ncol || TermWin.nrow != prev_nrow;	958	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1154		959
1155	if (fix_screen || width != old_width || height != old_height)	960	if (fix_screen || newwidth != old_width || newheight != old_height)
1156	{	961	{
1157	if (scrollbar_visible ())	962	if (scrollBar.state)
1158	{	963	scrollBar.resize ();
1159	XMoveResizeWindow (display->display, scrollBar.win,
1160	window_sb_x, 0,
1161	scrollbar_TotalWidth (), szHint.height);
1162	resize_scrollbar ();
1163	}
1164		964
1165	if (menubar_visible ())
1166	XMoveResizeWindow (display->display, menuBar.win,
1167	window_vt_x, 0,
1168	TermWin_TotalWidth (), menuBar_TotalHeight ());
1169
1170	XMoveResizeWindow (display->display, TermWin.vt,	965	XMoveResizeWindow (dpy, vt,
1171	window_vt_x, window_vt_y,	966	window_vt_x, window_vt_y,
1172	TermWin_TotalWidth (), TermWin_TotalHeight ());	967	width, height);
		968
		969	#ifdef HAVE_BG_PIXMAP
		970	if (bgPixmap.window_size_sensitive ())
		971	update_background ();
		972	#endif
		973
1173	scr_clear ();	974	scr_clear ();
1174	#ifdef XPM_BACKGROUND
1175	resize_pixmap ();
1176	#endif
1177	}	975	}
1178		976
1179	if (fix_screen || old_height == 0)	977	if (fix_screen || old_height == 0)
1180	{
1181	int curr_screen = -1;
1182	int old_ncol = prev_ncol;
1183
1184	/* scr_reset only works on the primary screen */
1185	if (old_height) /* this is not the first time through */
1186	{
1187	unsigned int ncol = TermWin.ncol;
1188	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1189	curr_screen = scr_change_screen (PRIMARY);
1190	TermWin.ncol = ncol;
1191	}
1192
1193	scr_reset ();	978	scr_reset ();
1194		979
1195	if (curr_screen >= 0) /* this is not the first time through */	980	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
1196	{	981	//scr_touch (false);
1197	scr_change_screen (curr_screen);
1198	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1199	}
1200	}
1201		982
1202	old_width = szHint.width;	983	#ifdef HAVE_BG_PIXMAP
1203	old_height = szHint.height;	984	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		985	// if (bgPixmap.pixmap)
		986	// scr_touch (false);
		987	#endif
1204		988
1205	#ifdef USE_XIM	989	#ifdef USE_XIM
1206	IMSetStatusPosition ();	990	IMSetPosition ();
1207	#endif	991	#endif
1208	}	992	}
1209		993
1210	/*	994	/*
1211	* Set the width/height of the vt window in characters. Units are pixels.	995	* Set the width/height of the vt window in characters. Units are pixels.
1212	* good for toggling 80/132 columns	996	* good for toggling 80/132 columns
1213	*/	997	*/
1214	void	998	void
1215	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	999	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1216	{	1000	{
1217	XWindowAttributes wattr;	1001	XWindowAttributes wattr;
1218		1002
1219	if (width == 0 || height == 0)	1003	if (newwidth == 0 || newheight == 0)
1220	{	1004	{
1221	XGetWindowAttributes (display->display, display->root, &wattr);	1005	XGetWindowAttributes (dpy, display->root, &wattr);
		1006
1222	if (width == 0)	1007	if (newwidth == 0)
1223	width = wattr.width - szHint.base_width;	1008	newwidth = wattr.width - szHint.base_width;
1224	if (height == 0)	1009	if (newheight == 0)
1225	height = wattr.height - szHint.base_height;	1010	newheight = wattr.height - szHint.base_height;
1226	}
1227	if (width != TermWin.width || height != TermWin.height)
1228	{	1011	}
		1012
		1013	if (newwidth != width || newheight != height)
		1014	{
1229	width += szHint.base_width;	1015	newwidth += szHint.base_width;
1230	height += szHint.base_height;	1016	newheight += szHint.base_height;
1231	resize_all_windows (width, height, 0);	1017	resize_all_windows (newwidth, newheight, 0);
1232	}	1018	}
1233	}	1019	}
1234		1020
1235	/* -------------------------------------------------------------------- *	1021	/* -------------------------------------------------------------------- *
1236	* - X INPUT METHOD ROUTINES - *	1022	* - X INPUT METHOD ROUTINES - *
1237	* -------------------------------------------------------------------- */	1023	* -------------------------------------------------------------------- */
1238	#ifdef USE_XIM	1024	#ifdef USE_XIM
1239		1025
1240	void	1026	void
		1027	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1028	{
		1029	fg = pix_colors [Color_fg];
		1030	bg = pix_colors [Color_bg];
		1031	}
		1032
		1033	void
1241	rxvt_term::im_set_size (XRectangle *size)	1034	rxvt_term::im_set_size (XRectangle &size)
1242	{	1035	{
1243	size->x = TermWin.int_bwidth;	1036	// the int_bwidth terms make no sense to me
1244	size->y = TermWin.int_bwidth;	1037	size.x = int_bwidth;
1245	size->width = Width2Pixel (TermWin.ncol);	1038	size.y = int_bwidth;
1246	size->height = Height2Pixel (TermWin.nrow);	1039	size.width = Width2Pixel (ncol) + int_bwidth;
		1040	size.height = Height2Pixel (nrow) + int_bwidth;
1247	}	1041	}
1248		1042
1249	void	1043	void
1250	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1044	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1045	XRectangle &status_rect,
		1046	const XRectangle &needed_rect)
1251	{	1047	{
1252	*fg = PixColors[Color_fg];	1048	preedit_rect.x = needed_rect.width;
1253	*bg = PixColors[Color_bg];	1049	preedit_rect.y = 0;
		1050	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1051	preedit_rect.height = fheight;
		1052
		1053	status_rect.x = 0;
		1054	status_rect.y = 0;
		1055	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1056	status_rect.height = fheight;
1254	}	1057	}
1255		1058
1256	/* Checking whether input method is running. */	1059	/* Checking whether input method is running. */
1257	bool	1060	bool
1258	rxvt_term::IMisRunning ()	1061	rxvt_term::IMisRunning ()
1259	{	1062	{
1260	char *p;	1063	char *p;
1261	Atom atom;	1064	Atom atom;
1262	Window win;	1065	Window win;
1263	char server[IMBUFSIZ];	1066	char server[IMBUFSIZ];
1264		1067
1265	/* get current locale modifier */	1068	/* get current locale modifier */
1266	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1069	if ((p = XSetLocaleModifiers (NULL)) != NULL)
1267	{	1070	{
1268	STRCPY (server, "@server=");	1071	strcpy (server, "@server=");
1269	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1072	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1073
1270	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1074	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1271	*p = '\0';	1075	*p = '\0';
1272		1076
1273	atom = XInternAtom (display->display, server, False);	1077	atom = XInternAtom (dpy, server, False);
1274	win = XGetSelectionOwner (display->display, atom);	1078	win = XGetSelectionOwner (dpy, atom);
		1079
1275	if (win != None)	1080	if (win != None)
1276	return True;	1081	return True;
1277	}	1082	}
		1083
1278	return False;	1084	return False;
1279	}	1085	}
1280		1086
1281	void	1087	void
1282	rxvt_term::IMSendSpot ()	1088	rxvt_term::IMSendSpot ()
1283	{	1089	{
1284	XPoint spot;	1090	XPoint nspot;
1285	XVaNestedList preedit_attr;	1091	XVaNestedList preedit_attr;
1286		1092
1287	if (Input_Context == NULL	1093	if (!Input_Context
1288	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1094	|| !focus
1289	|| ! (event_type == KeyPress	1095	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1290	|| event_type == Expose
1291	|| event_type == NoExpose
1292	|| event_type == SelectionNotify
1293	|| event_type == ButtonRelease || event_type == FocusIn)
1294	|| !IMisRunning ())
1295	return;	1096	return;
1296		1097
1297	im_set_position (&spot);	1098	im_set_position (nspot);
		1099
		1100	if (nspot.x == spot.x && nspot.y == spot.y)
		1101	return;
		1102
		1103	spot = nspot;
1298		1104
1299	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1105	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1300	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1106	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1301	XFree (preedit_attr);	1107	XFree (preedit_attr);
1302	}	1108	}
1303		1109
1304	void	1110	void
1305	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1306	XRectangle * needed_rect)
1307	{
1308	int mbh, vtx = 0;
1309
1310	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1311	vtx = scrollbar_TotalWidth ();
1312
1313	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1314	mbh -= TermWin.lineSpace;
1315
1316	preedit_rect->x = needed_rect->width + vtx;
1317	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1318
1319	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1320	preedit_rect->height = Height2Pixel (1);
1321
1322	status_rect->x = vtx;
1323	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1324
1325	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1326	status_rect->height = Height2Pixel (1);
1327	}
1328
1329	void
1330	rxvt_term::im_destroy ()	1111	rxvt_term::im_destroy ()
1331	{	1112	{
1332	if (Input_Context)
1333	{
1334	XDestroyIC (Input_Context);
1335	Input_Context = NULL;
1336	}
1337
1338	if (input_method)	1113	if (input_method)
1339	{	1114	{
		1115	if (Input_Context && input_method->xim)
		1116	XDestroyIC (Input_Context);
		1117
1340	display->put_xim (input_method);	1118	display->put_xim (input_method);
1341	input_method = 0;	1119	input_method = 0;
1342	}	1120	}
		1121
		1122	Input_Context = 0;
1343	}	1123	}
		1124
		1125	#ifdef ENABLE_XIM_ONTHESPOT
		1126
		1127	static void
		1128	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1129	{
		1130	((rxvt_term *)client_data)->make_current ();
		1131	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1132	}
		1133
		1134	static void
		1135	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1136	{
		1137	((rxvt_term *)client_data)->make_current ();
		1138	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1139	}
		1140
		1141	static void
		1142	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1143	{
		1144	rxvt_term *term = (rxvt_term *)client_data;
		1145	XIMText *text = call_data->text;
		1146
		1147	term->make_current ();
		1148
		1149	if (text)
		1150	{
		1151	void *str;
		1152
		1153	if (!text->encoding_is_wchar && text->string.multi_byte)
		1154	{
		1155	// of course, X makes it ugly again
		1156	if (term->rs[Rs_imLocale])
		1157	SET_LOCALE (term->rs[Rs_imLocale]);
		1158
		1159	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1160	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1161
		1162	if (term->rs[Rs_imLocale])
		1163	SET_LOCALE (term->locale);
		1164	}
		1165	else
		1166	str = (void *)text->string.wide_char;
		1167
		1168	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1169	DT_INT, call_data->caret,
		1170	DT_INT, call_data->chg_first,
		1171	DT_INT, call_data->chg_length,
		1172	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1173	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1174	DT_END));
		1175	}
		1176	else
		1177	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1178	DT_INT, call_data->caret,
		1179	DT_INT, call_data->chg_first,
		1180	DT_INT, call_data->chg_length,
		1181	DT_END));
		1182	}
		1183
		1184	#if 0
		1185	static void
		1186	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1187	{
		1188	((rxvt_term *)client_data)->make_current ();
		1189	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1190	DT_INT, call_data->position,
		1191	DT_INT, call_data->direction,
		1192	DT_INT, call_data->style,
		1193	DT_END));
		1194	}
		1195	#endif
		1196
		1197	#endif
1344		1198
1345	/*	1199	/*
1346	* Try to open a XIM with the current modifiers, then see if we can	1200	* Try to open a XIM with the current modifiers, then see if we can
1347	* open a suitable preedit type	1201	* open a suitable preedit type
1348	*/	1202	*/
1349	bool	1203	bool
1350	rxvt_term::IM_get_IC (const char *modifiers)	1204	rxvt_term::IM_get_IC (const char *modifiers)
1351	{	1205	{
1352	int i, j, found;	1206	int i, j, found;
1353	XIM xim;	1207	XIM xim;
1354	XPoint spot;	1208	XPoint spot;
1355	XRectangle rect, status_rect, needed_rect;	1209	XRectangle rect, status_rect, needed_rect;
1356	unsigned long fg, bg;	1210	unsigned long fg, bg;
1357	const char *p;	1211	const char *p;
1358	char **s;	1212	char **s;
1359	XIMStyles *xim_styles;	1213	XIMStyles *xim_styles;
1360	XVaNestedList preedit_attr, status_attr;	1214	#ifdef ENABLE_XIM_ONTHESPOT
		1215	XIMCallback xcb[4];
		1216	#endif
		1217
		1218	set_environ (envv);
1361		1219
1362	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1220	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1363	return false;	1221	return false;
1364		1222
1365	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1366	input_method = display->get_xim (locale, modifiers);	1223	input_method = display->get_xim (locale, modifiers);
1367	if (input_method == NULL)	1224	if (input_method == NULL)
1368	return false;	1225	return false;
1369		1226
1370	xim = input_method->xim;	1227	xim = input_method->xim;
		1228	spot.x = spot.y = -1;
1371		1229
1372	xim_styles = NULL;	1230	xim_styles = NULL;
1373	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1231	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1374	|| !xim_styles || !xim_styles->count_styles)	1232	|| !xim_styles || !xim_styles->count_styles)
1375	{	1233	{
1376	display->put_xim (input_method);	1234	im_destroy ();
1377	return false;	1235	return false;
1378	}	1236	}
1379		1237
1380	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1238	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1239
		1240	for (int pi = 0; pi < 2; pi++)
		1241	{
		1242	p = pet[pi];
		1243
		1244	if (!p)
		1245	continue;
		1246
1381	s = rxvt_splitcommastring (p);	1247	s = rxvt_splitcommastring (p);
		1248
1382	for (i = found = 0; !found && s[i]; i++)	1249	for (i = found = 0; !found && s[i]; i++)
1383	{	1250	{
1384	if (!STRCMP (s[i], "OverTheSpot"))	1251	if (!strcmp (s[i], "OverTheSpot"))
1385	input_style = (XIMPreeditPosition | XIMStatusNothing);	1252	input_style = XIMPreeditPosition | XIMStatusNothing;
1386	else if (!STRCMP (s[i], "OffTheSpot"))	1253	else if (!strcmp (s[i], "OffTheSpot"))
1387	input_style = (XIMPreeditArea | XIMStatusArea);	1254	input_style = XIMPreeditArea | XIMStatusArea;
1388	else if (!STRCMP (s[i], "Root"))	1255	else if (!strcmp (s[i], "Root"))
1389	input_style = (XIMPreeditNothing | XIMStatusNothing);	1256	input_style = XIMPreeditNothing | XIMStatusNothing;
		1257	else if (!strcmp (s[i], "None"))
		1258	input_style = XIMPreeditNone | XIMStatusNone;
		1259	#ifdef ENABLE_XIM_ONTHESPOT
		1260	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1261	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1262	#endif
		1263	else
		1264	input_style = XIMPreeditNothing | XIMStatusNothing;
1390		1265
1391	for (j = 0; j < xim_styles->count_styles; j++)	1266	for (j = 0; j < xim_styles->count_styles; j++)
1392	if (input_style == xim_styles->supported_styles[j])	1267	if (input_style == xim_styles->supported_styles[j])
1393	{	1268	{
		1269	rxvt_freecommastring (s);
		1270
1394	found = 1;	1271	found = 1;
1395	break;	1272	goto foundpet;
		1273	}
		1274
1396	}	1275	}
1397	}
1398		1276
1399	for (i = 0; s[i]; i++)	1277	rxvt_freecommastring (s);
1400	free (s[i]);	1278	}
1401		1279
1402	free (s);	1280	foundpet:
		1281
1403	XFree (xim_styles);	1282	XFree (xim_styles);
1404		1283
1405	if (!found)	1284	if (!found)
1406	{	1285	{
1407	display->put_xim (input_method);	1286	im_destroy ();
1408	return false;	1287	return false;
1409	}	1288	}
1410		1289
1411	preedit_attr = status_attr = NULL;	1290	XFontSet fs = 0;
		1291	XVaNestedList preedit_attr = 0, status_attr = 0;
		1292
		1293	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1294	{
		1295	// fake us a font-set, please
		1296	char **missing_charset_list;
		1297	int missing_charset_count;
		1298	char *def_string;
		1299	char pat[512];
		1300
		1301	sprintf (pat,
		1302	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1303	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1304	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1305	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1306	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1307	"*",
		1308	fheight,
		1309	fheight + 1, fheight - 1,
		1310	fheight - 2, fheight + 2);
		1311
		1312	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1313	&missing_charset_list, &missing_charset_count, &def_string);
		1314
		1315	if (missing_charset_list)
		1316	XFreeStringList (missing_charset_list);
		1317
		1318	if (!fs)
		1319	{
		1320	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1321	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1322	}
		1323	}
1412		1324
1413	if (input_style & XIMPreeditPosition)	1325	if (input_style & XIMPreeditPosition)
1414	{	1326	{
1415	im_set_size (&rect);	1327	im_set_size (rect);
1416	im_set_position (&spot);	1328	im_set_position (spot);
1417	im_set_color (&fg, &bg);	1329	im_set_color (fg, bg);
1418		1330
1419	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1331	preedit_attr = XVaCreateNestedList (0,
		1332	XNForeground, fg,
		1333	XNBackground, bg,
		1334	XNArea, &rect,
1420	XNSpotLocation, &spot,	1335	XNSpotLocation, &spot,
1421	XNForeground, fg, XNBackground, bg,
1422	//XNFontSet, TermWin.fontset,	1336	XNFontSet, fs,
1423	NULL);	1337	NULL);
1424	}	1338	}
1425	else if (input_style & XIMPreeditArea)	1339	else if (input_style & XIMPreeditArea)
1426	{	1340	{
1427	im_set_color (&fg, &bg);	1341	im_set_color (fg, bg);
1428		1342
1429	/*	1343	/*
1430	* The necessary width of preedit area is unknown	1344	* The necessary width of preedit area is unknown
1431	* until create input context.	1345	* until create input context.
1432	*/	1346	*/
1433	needed_rect.width = 0;	1347	needed_rect.width = 0;
1434
1435	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1348	im_set_preedit_area (rect, status_rect, needed_rect);
1436		1349
1437	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1350	preedit_attr = XVaCreateNestedList (0,
		1351	XNForeground, fg,
1438	XNForeground, fg, XNBackground, bg,	1352	XNBackground, bg,
		1353	XNArea, &rect,
		1354	XNFontSet, fs,
		1355	NULL);
		1356	status_attr = XVaCreateNestedList (0,
		1357	XNForeground, fg,
		1358	XNBackground, bg,
		1359	XNArea, &status_rect,
1439	//XNFontSet, TermWin.fontset,	1360	XNFontSet, fs,
1440	NULL);	1361	NULL);
1441	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,	1362	}
1442	XNForeground, fg, XNBackground, bg,	1363	#if ENABLE_XIM_ONTHESPOT
1443	//XNFontSet, TermWin.fontset,	1364	else if (input_style & XIMPreeditCallbacks)
		1365	{
		1366	im_set_position (spot);
		1367
		1368	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1369	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1370	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1371	# if 0
		1372	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1373	# endif
		1374
		1375	preedit_attr = XVaCreateNestedList (0,
		1376	XNSpotLocation, &spot,
		1377	XNPreeditStartCallback, &xcb[0],
		1378	XNPreeditDoneCallback , &xcb[1],
		1379	XNPreeditDrawCallback , &xcb[2],
		1380	# if 0
		1381	XNPreeditCaretCallback, &xcb[3],
		1382	# endif
1444	NULL);	1383	NULL);
1445	}	1384	}
		1385	#endif
1446		1386
1447	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1387	Input_Context = XCreateIC (xim,
		1388	XNInputStyle, input_style,
1448	XNClientWindow, TermWin.parent[0],	1389	XNClientWindow, vt,
1449	XNFocusWindow, TermWin.parent[0],	1390	XNFocusWindow, parent[0],
1450	preedit_attr ? XNPreeditAttributes : NULL,	1391	preedit_attr ? XNPreeditAttributes : NULL,
1451	preedit_attr,	1392	preedit_attr,
1452	status_attr ? XNStatusAttributes : NULL,	1393	status_attr ? XNStatusAttributes : NULL,
1453	status_attr, NULL);	1394	status_attr, NULL);
		1395
1454	if (preedit_attr) XFree (preedit_attr);	1396	if (preedit_attr) XFree (preedit_attr);
1455	if (status_attr) XFree (status_attr);	1397	if (status_attr) XFree (status_attr);
		1398	if (fs) XFreeFontSet (dpy, fs);
1456		1399
1457	if (Input_Context == NULL)	1400	if (Input_Context == NULL)
1458	{	1401	{
1459	rxvt_warn ("failed to create input context, continuing without XIM.\n");	1402	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1460	display->put_xim (input_method);	1403	im_destroy ();
1461	return false;	1404	return false;
1462	}	1405	}
1463		1406
1464	if (input_style & XIMPreeditArea)	1407	#if 0
		1408	// unfortunately, only the focus window is used by XIM, hard to fix
		1409	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1410	vt_select_input ();
		1411	#endif
		1412
1465	IMSetStatusPosition ();	1413	IMSetPosition ();
1466		1414
1467	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1468	return true;	1415	return true;
1469	}	1416	}
1470		1417
1471	void	1418	void
1472	rxvt_term::im_cb ()	1419	rxvt_term::im_cb ()
1473	{	1420	{
1474	int i, found, had_im;	1421	int i;
1475	const char *p;	1422	const char *p;
1476	char **s;	1423	char **s;
1477	char buf[IMBUFSIZ];	1424	char buf[IMBUFSIZ];
1478		1425
		1426	make_current ();
		1427
1479	im_destroy ();	1428	im_destroy ();
1480		1429
1481	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1482	if (Input_Context)	1430	if (Input_Context)
1483	return;	1431	return;
1484		1432
1485	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1433	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1486	if (rs[Rs_imLocale])	1434	if (rs[Rs_imLocale])
…		…
1491	if (p && *p)	1439	if (p && *p)
1492	{	1440	{
1493	bool found = false;	1441	bool found = false;
1494		1442
1495	s = rxvt_splitcommastring (p);	1443	s = rxvt_splitcommastring (p);
		1444
1496	for (i = 0; s[i]; i++)	1445	for (i = 0; s[i]; i++)
1497	{	1446	{
1498	if (*s[i])	1447	if (*s[i])
1499	{	1448	{
1500	STRCPY (buf, "@im=");	1449	strcpy (buf, "@im=");
1501	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1450	strncat (buf, s[i], IMBUFSIZ - 5);
1502	if (IM_get_IC (buf))	1451	if (IM_get_IC (buf))
1503	{	1452	{
1504	found = true;	1453	found = true;
1505	break;	1454	break;
1506	}	1455	}
1507	}	1456	}
1508	}	1457	}
1509	for (i = 0; s[i]; i++)	1458
1510	free (s[i]);	1459	rxvt_freecommastring (s);
1511	free (s);
1512		1460
1513	if (found)	1461	if (found)
1514	goto done;	1462	goto done;
1515	}	1463	}
1516		1464
…		…
1528	SET_LOCALE (locale);	1476	SET_LOCALE (locale);
1529	#endif	1477	#endif
1530	}	1478	}
1531		1479
1532	void	1480	void
1533	rxvt_term::IMSetStatusPosition ()	1481	rxvt_term::IMSetPosition ()
1534	{	1482	{
1535	XRectangle preedit_rect, status_rect, *needed_rect;	1483	XRectangle preedit_rect, status_rect, *needed_rect;
1536	XVaNestedList preedit_attr, status_attr;	1484	XVaNestedList preedit_attr, status_attr;
1537		1485
1538	if (Input_Context == NULL	1486	if (!Input_Context
1539	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1487	|| !focus
		1488	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1540	|| !IMisRunning ())	1489	|| !IMisRunning ())
1541	return;	1490	return;
1542		1491
		1492	if (input_style & XIMPreeditPosition)
		1493	{
		1494	im_set_size (preedit_rect);
		1495	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1496
		1497	XSetICValues (Input_Context,
		1498	XNPreeditAttributes, preedit_attr, NULL);
		1499	}
		1500	else
		1501	{
1543	/* Getting the necessary width of preedit area */	1502	/* Getting the necessary width of preedit area */
1544	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1503	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1545	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1504	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1546	XFree (status_attr);	1505	XFree (status_attr);
1547		1506
1548	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1507	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1508	XFree (needed_rect);
1549		1509
1550	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1510	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1551	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1511	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1552		1512
1553	XSetICValues (Input_Context,	1513	XSetICValues (Input_Context,
1554	XNPreeditAttributes, preedit_attr,	1514	XNPreeditAttributes, preedit_attr,
1555	XNStatusAttributes, status_attr, NULL);	1515	XNStatusAttributes, status_attr,
		1516	NULL);
1556		1517
		1518	XFree (status_attr);
		1519	}
		1520
1557	XFree (preedit_attr);	1521	XFree (preedit_attr);
1558	XFree (status_attr);
1559	}	1522	}
1560	#endif /* USE_XIM */	1523	#endif /* USE_XIM */
1561		1524
1562	/*----------------------------------------------------------------------*/	1525	void
1563	rxvt_t rxvt_current_term;	1526	rxvt_term::get_window_origin (int &x, int &y)
		1527	{
		1528	Window cr;
		1529	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1530	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1531	}
		1532
		1533	Pixmap
		1534	rxvt_term::get_pixmap_property (int prop_id)
		1535	{
		1536	if (prop_id > 0 && prop_id < NUM_XA)
		1537	if (xa[prop_id])
		1538	{
		1539	int aformat;
		1540	unsigned long nitems, bytes_after;
		1541	Atom atype;
		1542	unsigned char *prop = NULL;
		1543	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1544	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1545	&nitems, &bytes_after, &prop);
		1546	if (result == Success && prop && atype == XA_PIXMAP)
		1547	return *(Pixmap *)prop;
		1548	}
		1549
		1550	return None;
		1551	}
		1552
		1553	#ifdef HAVE_BG_PIXMAP
		1554	# if TRACE_PIXMAPS
		1555	# undef update_background
		1556	void
		1557	rxvt_term::trace_update_background (const char *file, int line)
		1558	{
		1559	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1560	update_background ();
		1561	}
		1562	# endif
		1563
		1564	void
		1565	rxvt_term::update_background ()
		1566	{
		1567	if (update_background_ev.is_active ())
		1568	return;
		1569
		1570	bgPixmap.invalidate ();
		1571
		1572	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1573
		1574	if (to_wait <= 0.)
		1575	bgPixmap.render ();
		1576	else
		1577	update_background_ev.start (to_wait);
		1578	}
		1579
		1580	void
		1581	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1582	{
		1583	make_current ();
		1584
		1585	update_background_ev.stop ();
		1586	bgPixmap.render ();
		1587	refresh_check ();
		1588	}
		1589
		1590	#endif /* HAVE_BG_PIXMAP */
1564		1591
1565	/*----------------------- end-of-file (C source) -----------------------*/	1592	/*----------------------- end-of-file (C source) -----------------------*/

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