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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.51 by pcg, Sat Mar 6 00:05:01 2004 UTC vs.
Revision 1.305 by ayin, Sun Feb 17 11:37:21 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>
7	* - original version	7	* - original version
…		…
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
		54	vector<rxvt_term *> rxvt_term::termlist;
		55
		56	// used to tell global functions which terminal instance is "active"
		57	rxvt_t rxvt_current_term;
		58
49	static char curlocale[128];	59	static char curlocale[128], savelocale[128];
50		60
51	void	61	bool
52	rxvt_set_locale (const char *locale)	62	rxvt_set_locale (const char *locale) NOTHROW
53	{	63	{
54	if (locale && STRNCMP (locale, curlocale, 128))	64	int size = strlen (locale) + 1;
55	{	65
56	STRNCPY (curlocale, locale, 128);	66	if (size > sizeof (curlocale))
		67	rxvt_fatal ("locale string too long, aborting.\n");
		68
		69	if (!locale || !memcmp (locale, curlocale, size))
		70	return false;
		71
		72	memcpy (curlocale, locale, size);
57	setlocale (LC_CTYPE, curlocale);	73	setlocale (LC_CTYPE, curlocale);
58	}	74	return true;
59	}	75	}
60		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
		90	#if ENABLE_COMBINING
61	class rxvt_composite_vec rxvt_composite;	91	class rxvt_composite_vec rxvt_composite;
62		92
63	text_t rxvt_composite_vec::compose (uint32_t c1, uint32_t c2)	93	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
64	{	94	{
65	compose_char *cc;	95	compose_char *cc;
66		96
67	// break compose chains, as stupid readline really likes to duplicate	97	// break compose chains, as stupid readline really likes to duplicate
68	// composing characters for some reason near the end of a line.	98	// composing characters for some reason near the end of a line.
69	cc = (*this)[c1];	99	cc = (*this)[c1];
70	while (cc)	100	while (cc)
71	{	101	{
…		…
94	v.push_back (compose_char (c1, c2));	124	v.push_back (compose_char (c1, c2));
95		125
96	return v.size () - 1 + COMPOSE_LO;	126	return v.size () - 1 + COMPOSE_LO;
97	}	127	}
98		128
99	int rxvt_composite_vec::expand (uint32_t c, wchar_t *r)	129	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
100	{	130	{
101	compose_char *cc = (*this)[c];	131	compose_char *cc = (*this)[c];
102		132
103	if (!cc)	133	if (!cc)
104	{	134	{
…		…
117	}	147	}
118		148
119	return len;	149	return len;
120		150
121	}	151	}
122		152	#endif
123	extern struct rxvt_composite_vec rxvt_composite;
124	void *
125	rxvt_term::operator new (size_t s)
126	{
127	void *p = malloc (s);
128
129	MEMSET (p, 0, s);
130	return p;
131	}
132
133	void
134	rxvt_term::operator delete (void *p, size_t s)
135	{
136	free (p);
137	}
138		153
139	rxvt_term::rxvt_term ()	154	rxvt_term::rxvt_term ()
140	:	155	{
141	rootwin_ev (this, &rxvt_term::rootwin_cb),	156	#if HAVE_BG_PIXMAP
142	termwin_ev (this, &rxvt_term::x_cb),	157	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
143	vt_ev (this, &rxvt_term::x_cb),
144	#ifdef HAVE_SCROLLBARS
145	scrollbar_ev (this, &rxvt_term::x_cb),
146	#endif
147	#ifdef MENUBAR
148	menubar_ev (this, &rxvt_term::x_cb),
149	#endif	158	#endif
150	#ifdef CURSOR_BLINK	159	#ifdef CURSOR_BLINK
151	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);
152	#endif	161	#endif
153	#ifdef TEXT_BLINK	162	#ifdef TEXT_BLINK
154	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),
155	#endif	180	#endif
156	#ifdef POINTER_BLANK	181	#ifdef POINTER_BLANK
157	pointer_ev (this, &rxvt_term::pointer_cb),	182	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
158	#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
159	#ifdef USE_XIM	237	#ifdef USE_XIM
160	im_ev (this, &rxvt_term::im_cb),	238	im_destroy ();
161	#endif	239	#endif
162	check_ev (this, &rxvt_term::check_cb),	240	#ifdef XTERM_SCROLLBAR
163	destroy_ev (this, &rxvt_term::destroy_cb),	241	if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
164	pty_ev (this, &rxvt_term::pty_cb),	242	if (ShadowGC) XFreeGC (dpy, ShadowGC);
165	incr_ev (this, &rxvt_term::incr_cb)
166	{
167	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
168	}
169
170	rxvt_term::~rxvt_term ()
171	{
172	if (cmd_fd >= 0)
173	close (cmd_fd);
174
175	#ifndef NO_SETOWNER_TTYDEV
176	privileged_ttydev (RESTORE);
177	#endif	243	#endif
178	#ifdef UTMP_SUPPORT	244	#ifdef PLAIN_SCROLLBAR
179	privileged_utmp (RESTORE);	245	if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
180	#endif	246	#endif
		247	#ifdef NEXT_SCROLLBAR
		248	if (blackGC) XFreeGC (dpy, blackGC);
		249	if (whiteGC) XFreeGC (dpy, whiteGC);
		250	if (grayGC) XFreeGC (dpy, grayGC);
		251	if (darkGC) XFreeGC (dpy, darkGC);
		252	if (stippleGC) XFreeGC (dpy, stippleGC);
		253	if (dimple) XFreePixmap (dpy, dimple);
		254	if (upArrow) XFreePixmap (dpy, upArrow);
		255	if (downArrow) XFreePixmap (dpy, downArrow);
		256	if (upArrowHi) XFreePixmap (dpy, upArrowHi);
		257	if (downArrowHi) XFreePixmap (dpy, downArrowHi);
		258	#endif
		259	#ifdef RXVT_SCROLLBAR
		260	if (topShadowGC) XFreeGC (dpy, topShadowGC);
		261	if (botShadowGC) XFreeGC (dpy, botShadowGC);
		262	if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
		263	#endif
		264	if (gc) XFreeGC (dpy, gc);
181		265
182	delete TermWin.fontset;
183
184	if (display)
185	{
186	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
187	delete menuBar.drawable;	266	delete drawable;
188	//if (menuBar.win)
189	// XDestroyWindow (display->display, menuBar.win);
190	#endif
191	delete TermWin.drawable;
192	// destroy all windows	267	// destroy all windows
193	if (TermWin.parent[0])	268	if (parent[0])
194	XDestroyWindow (display->display, TermWin.parent[0]);	269	XDestroyWindow (dpy, parent[0]);
195	}
196		270
197	// TODO: free pixcolours, colours should become part of rxvt_display	271	for (int i = 0; i < TOTAL_COLORS; i++)
		272	if (ISSET_PIXCOLOR (i))
		273	{
		274	pix_colors_focused [i].free (this);
		275	#if OFF_FOCUS_FADING
		276	pix_colors_unfocused [i].free (this);
		277	#endif
		278	}
198		279
199	delete PixColors;	280	clear ();
200		281
		282	display->flush (); /* ideally .put should do this */
201	displays.put (display);	283	displays.put (display);
		284	}
202		285
203	scr_release ();	286	scr_release ();
204		287
205	free (env_windowid);	288	/* clear all resources */
		289	for (int i = 0; i < allocated.size (); i++)
		290	free (allocated [i]);
		291
		292	free (selection.text);
		293	// TODO: manage env vars in child only(!)
206	free (env_display);	294	free (env_display);
207	free (env_term);	295	free (env_term);
208	free (env_colorfgbg);
209	free (locale);	296	free (locale);
210	free (codeset);	297	free (v_buffer);
		298	free (incr_buf);
211		299
212	delete envv;	300	delete envv;
213	delete argv;	301	delete argv;
		302
		303	#ifdef KEYSYM_RESOURCE
		304	delete keyboard;
		305	#endif
		306	#ifndef NO_RESOURCES
		307	XrmDestroyDatabase (option_db);
		308	#endif
		309	}
		310
		311	// child has exited, usually destroys
		312	void
		313	rxvt_term::child_cb (ev::child &w, int status)
		314	{
		315	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		316
		317	cmd_pid = 0;
		318
		319	if (!option (Opt_hold))
		320	destroy ();
214	}	321	}
215		322
216	void	323	void
217	rxvt_term::destroy ()	324	rxvt_term::destroy ()
218	{	325	{
		326	if (destroy_ev.is_active ())
		327	return;
		328
		329	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		330
		331	#if ENABLE_OVERLAY
		332	scr_overlay_off ();
		333	#endif
		334
219	if (display)	335	if (display)
220	{	336	{
		337	#if USE_XIM
		338	im_ev.stop (display);
		339	#endif
		340	scrollbar_ev.stop (display);
		341	#if ENABLE_TRANSPARENCY || ENABLE_PERL
221	rootwin_ev.stop (display);	342	rootwin_ev.stop (display);
		343	#endif
		344	incr_ev.stop ();
222	termwin_ev.stop (display);	345	termwin_ev.stop (display);
223	vt_ev.stop (display);	346	vt_ev.stop (display);
224	#ifdef USE_XIM
225	im_destroy ();
226	im_ev.stop (display);
227	#endif
228	#ifdef HAVE_SCROLLBARS
229	scrollbar_ev.stop (display);
230	#endif
231	#ifdef MENUBAR
232	menubar_ev.stop (display);
233	#endif
234	}	347	}
235		348
236	check_ev.stop ();	349	flush_ev.stop ();
237	pty_ev.stop ();	350	pty_ev.stop ();
238	#ifdef CURSOR_BLINK	351	#ifdef CURSOR_BLINK
239	cursor_blink_ev.stop ();	352	cursor_blink_ev.stop ();
240	#endif	353	#endif
241	#ifdef TEXT_BLINK	354	#ifdef TEXT_BLINK
242	text_blink_ev.stop ();	355	text_blink_ev.stop ();
243	#endif	356	#endif
		357	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		358	cont_scroll_ev.stop ();
		359	#endif
		360	#ifdef SELECTION_SCROLLING
		361	sel_scroll_ev.stop ();
		362	#endif
244	#ifdef POINTER_BLANK	363	#ifdef POINTER_BLANK
245	pointer_ev.stop ();	364	pointer_ev.stop ();
246	#endif	365	#endif
247		366
248	destroy_ev.start (0);	367	destroy_ev.start ();
249	}	368	}
250		369
251	void	370	void
252	rxvt_term::destroy_cb (time_watcher &w)	371	rxvt_term::destroy_cb (ev::idle &w, int revents)
253	{	372	{
254	SET_R (this);	373	make_current ();
255		374
256	delete this;	375	delete this;
257	}
258
259	/*----------------------------------------------------------------------*/
260	/* rxvt_init () */
261	/* LIBPROTO */
262	rxvt_t
263	rxvt_init (int argc, const char *const *argv)
264	{
265	SET_R (new rxvt_term);
266
267	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
268	{
269	delete GET_R;
270	SET_R (0);
271	}
272
273	return GET_R;
274	}
275
276	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
277
278	void
279	rxvt_init_signals ()
280	{
281	/* install exit handler for cleanup */
282	#if 0
283	#ifdef HAVE_ATEXIT
284	atexit (rxvt_clean_exit);
285	#else
286	#endif
287	#endif
288
289	struct sigaction sa;
290
291	sigfillset (&sa.sa_mask);
292	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
293	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
294	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
295	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
296	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
297	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
298	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
299
300	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
301	/* signal (SIGURG, SIG_DFL); */
302
303	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
304	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
305	}
306
307	bool
308	rxvt_term::init (int argc, const char *const *argv)
309	{
310	/*
311	* Save and then give up any super-user privileges
312	* If we need privileges in any area then we must specifically request it.
313	* We should only need to be root in these cases:
314	* 1. write utmp entries on some systems
315	* 2. chown tty on some systems
316	*/
317	privileges (SAVE);
318	privileges (IGNORE);
319
320	init_secondary ();
321
322	const char **cmd_argv = init_resources (argc, argv);
323
324	set_locale ("");
325
326	#if MENUBAR_MAX
327	menubar_read (rs[Rs_menu]);
328	#endif
329	#ifdef HAVE_SCROLLBARS
330	if (Options & Opt_scrollBar)
331	scrollBar.setIdle (); /* set existence for size calculations */
332	#endif
333
334	create_windows (argc, argv);
335
336	init_xlocale ();
337
338	scr_reset (); /* initialize screen */
339
340	#if 0
341	XSynchronize (display->display, True);
342	#endif
343
344	#ifdef HAVE_SCROLLBARS
345	if (Options & Opt_scrollBar)
346	resize_scrollbar (); /* create and map scrollbar */
347	#endif
348	#if (MENUBAR_MAX)
349	if (menubar_visible ())
350	XMapWindow (display->display, menuBar.win);
351	#endif
352	#ifdef TRANSPARENT
353	if (Options & Opt_transparent)
354	{
355	XSelectInput (display->display, display->root, PropertyChangeMask);
356	check_our_parents ();
357	}
358	#endif
359
360	rootwin_ev.start (display, display->root);
361
362	XMapWindow (display->display, TermWin.vt);
363	XMapWindow (display->display, TermWin.parent[0]);
364
365	init_command (cmd_argv);
366
367	pty_ev.start (cmd_fd, EVENT_READ);
368
369	check_ev.start ();
370
371	return true;
372	}
373
374	/* ------------------------------------------------------------------------- *
375	* SIGNAL HANDLING & EXIT HANDLER *
376	* ------------------------------------------------------------------------- */
377	/*
378	* Catch a SIGCHLD signal and exit if the direct child has died
379	*/
380	/* ARGSUSED */
381	/* EXTPROTO */
382	RETSIGTYPE
383	rxvt_Child_signal (int sig __attribute__ ((unused)))
384	{
385	int pid, save_errno = errno;
386	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
387	;
388	errno = save_errno;
389
390	#if 0
391	if (pid == cmd_pid)
392	exit (EXIT_SUCCESS);
393	#endif
394	}
395
396	/*
397	* Catch a fatal signal and tidy up before quitting
398	*/
399	/* EXTPROTO */
400	RETSIGTYPE
401	rxvt_Exit_signal (int sig)
402	{
403	signal (sig, SIG_DFL);
404	#ifdef DEBUG_CMD
405	rxvt_print_error ("signal %d", sig);
406	#endif
407	rxvt_clean_exit ();
408	kill (getpid (), sig);
409	}
410
411	/* INTPROTO */
412	int
413	rxvt_xerror_handler (Display *display, XErrorEvent *event)
414	{
415	if (GET_R->allowedxerror == -1)
416	GET_R->allowedxerror = event->error_code;
417	else
418	{
419	old_xerror_handler (display, event);
420	GET_R->destroy ();
421	}
422
423	return 0;
424	}	376	}
425		377
426	/*----------------------------------------------------------------------*/	378	/*----------------------------------------------------------------------*/
427	/*	379	/*
428	* Exit gracefully, clearing the utmp entry and restoring tty attributes	380	* Exit gracefully, clearing the utmp entry and restoring tty attributes
429	* TODO: if debugging, this should free up any known resources if we can	381	* TODO: if debugging, this should free up any known resources if we can
430	*/	382	*/
431	/* EXTPROTO */	383	static XErrorHandler old_xerror_handler;
432	void
433	rxvt_clean_exit ()
434	{
435	// TODO: rxvtd should clean up all ressources
436	if (GET_R)
437	GET_R->destroy ();
438	}
439		384
440	/* ------------------------------------------------------------------------- *	385	static void
441	* MEMORY ALLOCATION WRAPPERS *	386	rxvt_emergency_cleanup ()
442	* ------------------------------------------------------------------------- */
443	/* EXTPROTO */
444	void *
445	rxvt_malloc (size_t size)
446	{	387	{
447	void *p;	388	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
448		389	(*t)->emergency_cleanup ();
449	p = malloc (size);
450	if (p)
451	return p;
452
453	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
454	rxvt_clean_exit ();
455	exit (EXIT_FAILURE);
456	/* NOTREACHED */
457	}	390	}
458		391
459	/* EXTPROTO */	392	#if !ENABLE_MINIMAL
460	void *	393	static void
461	rxvt_calloc (size_t number, size_t size)	394	print_x_error (Display *dpy, XErrorEvent *event)
462	{	395	{
463	void *p;	396	char buffer[BUFSIZ];
464		397	char mesg[BUFSIZ];
465	p = calloc (number, size);	398	char number[32];
466	if (p)	399	char *mtype = "XlibMessage";
467	return p;	400	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
468		401	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
469	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");	402	rxvt_warn ("An X Error occured, trying to continue after report.\n");
470	rxvt_clean_exit ();	403	rxvt_warn ("%s: %s\n", mesg, buffer);
471	exit (EXIT_FAILURE);	404	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
472	/* NOTREACHED */	405	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		406	sprintf(number, "%d", event->request_code);
		407	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		408	rxvt_warn ("(which is %s)\n", buffer);
		409	if (event->request_code >= 128) {
		410	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		411	mesg, BUFSIZ);
		412	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		413	}
		414	if ((event->error_code == BadWindow) ||
		415	(event->error_code == BadPixmap) ||
		416	(event->error_code == BadCursor) ||
		417	(event->error_code == BadFont) ||
		418	(event->error_code == BadDrawable) ||
		419	(event->error_code == BadColor) ||
		420	(event->error_code == BadGC) ||
		421	(event->error_code == BadIDChoice) ||
		422	(event->error_code == BadValue) ||
		423	(event->error_code == BadAtom)) {
		424	if (event->error_code == BadValue)
		425	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		426	mesg, BUFSIZ);
		427	else if (event->error_code == BadAtom)
		428	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		429	mesg, BUFSIZ);
		430	else
		431	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		432	mesg, BUFSIZ);
		433	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		434	}
		435	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		436	mesg, BUFSIZ);
		437	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
473	}	438	}
		439	#endif
474		440
475	/* EXTPROTO */	441	int
476	void *	442	rxvt_xerror_handler (Display *display, XErrorEvent *event)
477	rxvt_realloc (void *ptr, size_t size)
478	{	443	{
479	void *p;	444	if (GET_R->allowedxerror == -1)
480		445	GET_R->allowedxerror = event->error_code;
481	if (ptr)
482	p = realloc (ptr, size);
483	else	446	else
484	p = malloc (size);	447	{
485	if (p)	448	// GET_R is most likely not the terminal which caused the error,
		449	// so just output the error and continue
		450	#if ENABLE_MINIMAL
		451	old_xerror_handler (display, event);
		452	#else
		453	print_x_error (display, event);
		454	#endif
		455	}
		456
486	return p;	457	return 0;
		458	}
487		459
488	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");	460	int
489	rxvt_clean_exit ();	461	rxvt_xioerror_handler (Display *display)
		462	{
		463	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		464	DisplayString (display));
		465	rxvt_emergency_cleanup ();
490	exit (EXIT_FAILURE);	466	_exit (EXIT_FAILURE);
491	/* NOTREACHED */
492	}	467	}
493		468
494	/* ------------------------------------------------------------------------- *	469	static struct sig_handlers
495	* PRIVILEGED OPERATIONS *
496	* ------------------------------------------------------------------------- */
497	/* take care of suid/sgid super-user (root) privileges */
498	void
499	rxvt_term::privileges (int mode)
500	{	470	{
501	#if ! defined(__CYGWIN32__)	471	ev::sig sw_term, sw_int;
502	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	472
503	/* setreuid () is the poor man's setuid (), seteuid () */	473	/*
504	# define seteuid(a) setreuid(-1, (a))	474	* Catch a fatal signal and tidy up before quitting
505	# define setegid(a) setregid(-1, (a))	475	*/
506	# define HAVE_SETEUID	476	void sig_term (ev::sig &w, int revents);
507	# endif	477
508	# ifdef HAVE_SETEUID	478	sig_handlers ()
509	switch (mode)
510	{	479	{
511	case IGNORE:	480	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
512	/*	481	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
513	* change effective uid/gid - not real uid/gid - so we can switch
514	* back to root later, as required
515	*/
516	seteuid (getuid ());
517	setegid (getgid ());
518	break;
519	case SAVE:
520	euid = geteuid ();
521	egid = getegid ();
522	break;
523	case RESTORE:
524	seteuid (euid);
525	setegid (egid);
526	break;
527	}	482	}
528	# else	483	} sig_handlers;
529	switch (mode)
530	{
531	case IGNORE:
532	setuid (getuid ());
533	setgid (getgid ());
534	/* FALLTHROUGH */
535	case SAVE:
536	/* FALLTHROUGH */
537	case RESTORE:
538	break;
539	}
540	# endif
541	#endif
542	}
543		484
544	#ifdef UTMP_SUPPORT
545	void	485	void
546	rxvt_term::privileged_utmp (char action)	486	sig_handlers::sig_term (ev::sig &w, int revents)
547	{	487	{
548	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",	488	rxvt_emergency_cleanup ();
549	action, next_utmp_action, getpid ()));	489	w.stop ();
550	if (next_utmp_action != action || (action != SAVE && action != RESTORE)	490	kill (getpid (), w.signum);
551	|| (Options & Opt_utmpInhibit)
552	|| ttydev == NULL || *ttydev == '\0')
553	return;
554
555	privileges (RESTORE);
556	if (action == SAVE)
557	{
558	next_utmp_action = RESTORE;
559	makeutent (ttydev, rs[Rs_display_name]);
560	}
561	else
562	{ /* action == RESTORE */
563	next_utmp_action = IGNORE;
564	cleanutent ();
565	}
566	privileges (IGNORE);
567	}	491	}
568	#endif
569		492
570	#ifndef NO_SETOWNER_TTYDEV	493	char **rxvt_environ; // startup environment
571	void
572	rxvt_term::privileged_ttydev (char action)
573	{
574	D_MAIN ((stderr,
575	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
576	action, next_tty_action, getpid ()));
577	if (next_tty_action != action || (action != SAVE && action != RESTORE)
578	|| ttydev == NULL || *ttydev == '\0')
579	return;
580		494
581	privileges (RESTORE);	495	void
		496	rxvt_init ()
		497	{
		498	ptytty::init ();
582		499
583	if (action == SAVE)	500	if (!ev_default_loop (0))
584	{	501	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
585	next_tty_action = RESTORE;
586	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
587	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
588	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
589	next_tty_action = IGNORE;
590	else
591	# endif
592		502
593	{	503	rxvt_environ = environ;
594	chown (ttydev, getuid (), ttygid); /* fail silently */
595	chmod (ttydev, ttymode);
596	# ifdef HAVE_REVOKE
597	revoke (ttydev);
598	# endif
599		504
600	}	505	signal (SIGHUP, SIG_IGN);
601	}	506	signal (SIGPIPE, SIG_IGN);
602	else
603	{ /* action == RESTORE */
604	next_tty_action = IGNORE;
605	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
606	chmod (ttydev, ttyfd_stat.st_mode);
607	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
608	# else
609	chmod (ttydev,
610	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
611	chown (ttydev, 0, 0);
612	# endif
613		507
614	}	508	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		509	sig_handlers.sw_int.start (SIGINT); ev_unref ();
615		510
616	privileges (IGNORE);	511	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		512	/* signal (SIGURG, SIG_DFL); */
617		513
618	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	514	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
619	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	515	// TODO: handle this with exceptions and tolerate the memory loss
620	action == RESTORE ? "Restoring" : (action ==	516	XSetIOErrorHandler (rxvt_xioerror_handler);
621	SAVE ? "Saving" :	517
622	"UNKNOWN ERROR for"), ttydev,	518	XrmInitialize ();
623	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
624	ttyfd_stat.st_gid));
625	# endif
626	}	519	}
627	#endif
628		520
629	/*----------------------------------------------------------------------*/	521	/*----------------------------------------------------------------------*/
630	/*	522	/*
631	* window size/position calculcations for XSizeHint and other storage.	523	* window size/position calculations for XSizeHint and other storage.
632	* if width/height are non-zero then override calculated width/height	524	* if width/height are non-zero then override calculated width/height
633	*/	525	*/
634	void	526	void
635	rxvt_term::window_calc (unsigned int width, unsigned int height)	527	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
636	{	528	{
637	short recalc_x, recalc_y;	529	short recalc_x, recalc_y;
638	int x, y, sb_w, mb_h, flags;	530	int x, y, sb_w, flags;
639	unsigned int w, h;	531	unsigned int w, h;
640	unsigned int max_width, max_height;	532	unsigned int max_width, max_height;
641		533
642	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
643	TermWin.ncol, TermWin.nrow, szHint.width,
644	szHint.height));
645	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	534	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
646	szHint.win_gravity = NorthWestGravity;	535	szHint.win_gravity = NorthWestGravity;
647	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	536	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
648		537
649	recalc_x = recalc_y = 0;	538	recalc_x = recalc_y = 0;
650	flags = 0;	539	flags = 0;
		540
651	if (!parsed_geometry)	541	if (!parsed_geometry)
652	{	542	{
653	parsed_geometry = 1;	543	parsed_geometry = 1;
		544
654	if (rs[Rs_geometry])	545	if (rs[Rs_geometry])
655	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	546	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		547
656	if (flags & WidthValue)	548	if (flags & WidthValue)
657	{	549	{
658	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	550	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
659	szHint.flags |= USSize;	551	szHint.flags |= USSize;
660	}	552	}
		553
661	if (flags & HeightValue)	554	if (flags & HeightValue)
662	{	555	{
663	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	556	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
664	szHint.flags |= USSize;	557	szHint.flags |= USSize;
665	}	558	}
		559
666	if (flags & XValue)	560	if (flags & XValue)
667	{	561	{
668	szHint.x = x;	562	szHint.x = x;
669	szHint.flags |= USPosition;	563	szHint.flags |= USPosition;
		564
670	if (flags & XNegative)	565	if (flags & XNegative)
671	{	566	{
672	recalc_x = 1;	567	recalc_x = 1;
673	szHint.win_gravity = NorthEastGravity;	568	szHint.win_gravity = NorthEastGravity;
674	}	569	}
675	}	570	}
		571
676	if (flags & YValue)	572	if (flags & YValue)
677	{	573	{
678	szHint.y = y;	574	szHint.y = y;
679	szHint.flags |= USPosition;	575	szHint.flags |= USPosition;
		576
680	if (flags & YNegative)	577	if (flags & YNegative)
681	{	578	{
682	recalc_y = 1;	579	recalc_y = 1;
		580
683	if (szHint.win_gravity == NorthEastGravity)	581	if (szHint.win_gravity == NorthEastGravity)
684	szHint.win_gravity = SouthEastGravity;	582	szHint.win_gravity = SouthEastGravity;
685	else	583	else
686	szHint.win_gravity = SouthWestGravity;	584	szHint.win_gravity = SouthWestGravity;
687	}	585	}
688	}	586	}
689	}	587	}
		588
690	/* TODO: BOUNDS */	589	/* TODO: BOUNDS */
691	TermWin.width = TermWin.ncol * TermWin.fwidth;	590	width = ncol * fwidth;
692	TermWin.height = TermWin.nrow * TermWin.fheight;	591	height = nrow * fheight;
693	max_width = MAX_COLS * TermWin.fwidth;	592	max_width = MAX_COLS * fwidth;
694	max_height = MAX_ROWS * TermWin.fheight;	593	max_height = MAX_ROWS * fheight;
695		594
696	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	595	szHint.base_width = szHint.base_height = 2 * int_bwidth;
697		596
698	sb_w = mb_h = 0;	597	sb_w = 0;
699	window_vt_x = window_vt_y = 0;	598	window_vt_x = window_vt_y = int_bwidth;
700	if (scrollbar_visible ())	599
		600	if (scrollBar.state)
701	{	601	{
702	sb_w = scrollbar_TotalWidth ();	602	sb_w = scrollBar.total_width ();
703	szHint.base_width += sb_w;	603	szHint.base_width += sb_w;
		604
704	if (! (Options & Opt_scrollBar_right))	605	if (!option (Opt_scrollBar_right))
705	window_vt_x = sb_w;	606	window_vt_x += sb_w;
706	}
707	if (menubar_visible ())
708	{	607	}
709	mb_h = menuBar_TotalHeight ();	608
710	szHint.base_height += mb_h;
711	window_vt_y = mb_h;
712	}
713	szHint.width_inc = TermWin.fwidth;	609	szHint.width_inc = fwidth;
714	szHint.height_inc = TermWin.fheight;	610	szHint.height_inc = fheight;
715	szHint.min_width = szHint.base_width + szHint.width_inc;	611	szHint.min_width = szHint.base_width + szHint.width_inc;
716	szHint.min_height = szHint.base_height + szHint.height_inc;	612	szHint.min_height = szHint.base_height + szHint.height_inc;
717		613
718	if (width && width - szHint.base_width < max_width)	614	if (newwidth && newwidth - szHint.base_width < max_width)
719	{	615	{
720	szHint.width = width;	616	szHint.width = newwidth;
721	TermWin.width = width - szHint.base_width;	617	width = newwidth - szHint.base_width;
722	}	618	}
723	else	619	else
724	{	620	{
725	MIN_IT (TermWin.width, max_width);	621	min_it (width, max_width);
726	szHint.width = szHint.base_width + TermWin.width;	622	szHint.width = szHint.base_width + width;
727	}	623	}
		624
728	if (height && height - szHint.base_height < max_height)	625	if (newheight && newheight - szHint.base_height < max_height)
729	{	626	{
730	szHint.height = height;	627	szHint.height = newheight;
731	TermWin.height = height - szHint.base_height;	628	height = newheight - szHint.base_height;
732	}	629	}
733	else	630	else
734	{	631	{
735	MIN_IT (TermWin.height, max_height);	632	min_it (height, max_height);
736	szHint.height = szHint.base_height + TermWin.height;	633	szHint.height = szHint.base_height + height;
737	}	634	}
		635
738	if (scrollbar_visible () && (Options & Opt_scrollBar_right))	636	if (scrollBar.state && option (Opt_scrollBar_right))
739	window_sb_x = szHint.width - sb_w;	637	window_sb_x = szHint.width - sb_w;
740		638
741	if (recalc_x)	639	if (recalc_x)
742	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	640	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
743	- szHint.width - 2 * TermWin.ext_bwidth);	641
744	if (recalc_y)	642	if (recalc_y)
745	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	643	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
746	- szHint.height - 2 * TermWin.ext_bwidth);
747		644
748	TermWin.ncol = TermWin.width / TermWin.fwidth;	645	ncol = width / fwidth;
749	TermWin.nrow = TermWin.height / TermWin.fheight;	646	nrow = height / fheight;
750	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
751	TermWin.ncol, TermWin.nrow, szHint.width,
752	szHint.height));
753	return;
754	}	647	}
755		648
756	/*----------------------------------------------------------------------*/	649	/*----------------------------------------------------------------------*/
757	/*	650	/*
758	* Tell the teletype handler what size the window is.	651	* Tell the teletype handler what size the window is.
759	* Called after a window size change.	652	* Called after a window size change.
760	*/	653	*/
761	void	654	void
762	rxvt_term::tt_winch ()	655	rxvt_term::tt_winch ()
763	{	656	{
		657	if (pty->pty < 0)
		658	return;
		659
764	struct winsize ws;	660	struct winsize ws;
765		661
766	if (cmd_fd < 0)
767	return;
768
769	ws.ws_col = TermWin.ncol;	662	ws.ws_col = ncol;
770	ws.ws_row = TermWin.nrow;	663	ws.ws_row = nrow;
771	ws.ws_xpixel = ws.ws_ypixel = 0;	664	ws.ws_xpixel = width;
772	#ifndef DEBUG_SIZE	665	ws.ws_ypixel = height;
773	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	666	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
774	#else	667
775	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	668	#if 0
776	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	669	// TIOCSWINSZ is supposed to do this automatically and correctly
777	# ifdef SIGWINCH
778	else if (cmd_pid) /* force through to the command */	670	if (cmd_pid) /* force through to the command */
779	kill (cmd_pid, SIGWINCH);	671	kill (-cmd_pid, SIGWINCH);
780	# endif
781	#endif	672	#endif
782	}	673	}
783		674
784	/*----------------------------------------------------------------------*/	675	/*----------------------------------------------------------------------*/
785	/* rxvt_change_font () - Switch to a new font */	676	/* set_fonts () - load and set the various fonts
786	/*	677	*
787	* init = 1 - initialize	678	* init = 1 - initialize
788	*	679	*
789	* fontname == FONT_UP - switch to bigger font	680	* fontname == FONT_UP - switch to bigger font
790	* fontname == FONT_DN - switch to smaller font	681	* fontname == FONT_DN - switch to smaller font
791	*/	682	*/
792	bool	683	bool
793	rxvt_term::change_font (const char *fontname)	684	rxvt_term::set_fonts ()
794	{	685	{
795	if (fontname == FONT_UP)
796	{
797	// TODO
798	}
799	else if (fontname == FONT_DN)
800	{
801	// TODO
802	}
803	else
804	{
805	rxvt_fontset *fs = new rxvt_fontset (this);	686	rxvt_fontset *fs = new rxvt_fontset (this);
		687	rxvt_fontprop prop;
806		688
807	if (fs && fs->populate (fontname ? fontname : "fixed"))	689	if (!fs
		690	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		691	|| !fs->realize_font (1))
		692	{
		693	delete fs;
		694	return false;
		695	}
		696
		697	#if ENABLE_STYLES
		698	for (int i = RS_styleCount; --i; )
		699	if (fontset[i] != fontset[0])
		700	delete fontset[i];
		701	#endif
		702
		703	delete fontset[0];
		704	fontset[0] = fs;
		705
		706	prop = (*fs)[1]->properties ();
		707	prop.height += lineSpace;
		708
		709	fs->set_prop (prop, false);
		710
		711	fwidth = prop.width;
		712	fheight = prop.height;
		713	fbase = prop.ascent;
		714
		715	for (int style = 1; style < 4; style++)
		716	{
		717	#if ENABLE_STYLES
		718	const char *res = rs[Rs_font + style];
		719
		720	if (res && !*res)
		721	fontset[style] = fontset[0];
		722	else
808	{	723	{
809	delete TermWin.fontset;	724	fontset[style] = fs = new rxvt_fontset (this);
810	TermWin.fontset = fs;	725	rxvt_fontprop prop2 = prop;
811	TermWin.fwidth = fs->base_font ()->width;
812	TermWin.fheight = fs->base_font ()->height;
813	TermWin.fbase = fs->base_font ()->ascent;
814		726
815	if (TermWin.parent[0])	727	if (res)
816	{	728	{
817	resize_all_windows (0, 0, 0);	729	fs->populate (res);
818	scr_remap_chars ();	730	fs->set_prop (prop2, false);
819	scr_touch (true);
820	}	731	}
		732	else
		733	{
		734	fs->populate (fontset[0]->fontdesc);
821		735
822	return true;	736	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		737	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		738
		739	fs->set_prop (prop2, true);
		740	}
		741
823	}	742	}
		743	#else
		744	fontset[style] = fontset[0];
		745	#endif
		746	}
		747
		748	if (parent[0])
824	}	749	{
		750	resize_all_windows (0, 0, 0);
		751	scr_remap_chars ();
		752	scr_touch (true);
		753	}
825		754
826	return false;	755	return true;
827	}	756	}
828		757
829	bool	758	void
830	rxvt_term::font_up_down (int n, int direction)	759	rxvt_term::set_string_property (Atom prop, const char *str, int len)
831	{	760	{
832	return false;	761	XChangeProperty (dpy, parent[0],
		762	prop, XA_STRING, 8, PropModeReplace,
		763	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		764	}
		765
		766	void
		767	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		768	{
		769	wchar_t *ws = rxvt_mbstowcs (str, len);
		770	char *s = rxvt_wcstoutf8 (ws);
		771
		772	XChangeProperty (dpy, parent[0],
		773	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		774	(const unsigned char *)s, strlen (s));
		775
		776	free (s);
		777	free (ws);
833	}	778	}
834		779
835	/*----------------------------------------------------------------------*/	780	/*----------------------------------------------------------------------*/
836	/*----------------------------------------------------------------------*/	781	/*----------------------------------------------------------------------*/
837	/* xterm sequences - title, iconName, color (exptl) */	782	/* xterm sequences - title, iconName, color (exptl) */
838	void	783	void
839	rxvt_term::set_title (const char *str)	784	rxvt_term::set_title (const char *str)
840	{	785	{
841	#ifndef SMART_WINDOW_TITLE	786	set_string_property (XA_WM_NAME, str);
842	XStoreName (display->display, TermWin.parent[0], str);	787	#if ENABLE_EWMH
843	#else	788	set_utf8_property (xa[XA_NET_WM_NAME], str);
844	char *name;
845
846	if (XFetchName (display->display, TermWin.parent[0], &name) == 0)
847	name = NULL;
848	if (name == NULL || STRCMP (name, str))
849	XStoreName (display->display, TermWin.parent[0], str);
850	if (name)
851	XFree (name);
852	#endif	789	#endif
853	}	790	}
854		791
855	void	792	void
856	rxvt_term::set_iconName (const char *str)	793	rxvt_term::set_icon_name (const char *str)
857	{	794	{
858	#ifndef SMART_WINDOW_TITLE	795	set_string_property (XA_WM_ICON_NAME, str);
859	XSetIconName (display->display, TermWin.parent[0], str);	796	#if ENABLE_EWMH
860	#else	797	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
861	char *name;
862
863	if (XGetIconName (display->display, TermWin.parent[0], &name))
864	name = NULL;
865	if (name == NULL || STRCMP (name, str))
866	XSetIconName (display->display, TermWin.parent[0], str);
867	if (name)
868	XFree (name);
869	#endif	798	#endif
870	}	799	}
871		800
		801	void
		802	rxvt_term::set_window_color (int idx, const char *color)
		803	{
872	#ifdef XTERM_COLOR_CHANGE	804	#ifdef XTERM_COLOR_CHANGE
873	void
874	rxvt_term::set_window_color (int idx, const char *color)
875	{
876	rxvt_color xcol;	805	rxvt_color xcol;
877	int i;
878		806
879	if (color == NULL || *color == '\0')	807	if (color == NULL || *color == '\0')
880	return;	808	return;
881		809
		810	color = strdup (color);
		811	allocated.push_back ((void *)color);
		812	rs[Rs_color + idx] = color;
		813
882	/* handle color aliases */	814	/* handle color aliases */
883	if (isdigit (*color))	815	if (isdigit (*color))
884	{	816	{
885	i = atoi (color);	817	int i = atoi (color);
		818
886	if (i >= 8 && i <= 15)	819	if (i >= 8 && i <= 15)
		820	{
887	{ /* bright colors */	821	/* bright colors */
888	i -= 8;
889	# ifndef NO_BRIGHTCOLOR
890	PixColors[idx] = PixColors[minBrightCOLOR + i];	822	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
891	SET_PIXCOLOR (idx);
892	goto Done;	823	goto done;
893	# endif
894
895	}	824	}
		825
896	if (i >= 0 && i <= 7)	826	if (i >= 0 && i <= 7)
		827	{
897	{ /* normal colors */	828	/* normal colors */
898	PixColors[idx] = PixColors[minCOLOR + i];	829	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
899	SET_PIXCOLOR (idx);
900	goto Done;	830	goto done;
901	}	831	}
902	}	832	}
903	if (!rXParseAllocColor (& xcol, color))	833
904	return;	834	set_color (xcol, color);
905	/* XStoreColor (display->display, XCMAP, XColor*); */
906		835
907	/*	836	/*
908	* FIXME: should free colors here, but no idea how to do it so instead,	837	* FIXME: should free colors here, but no idea how to do it so instead,
909	* so just keep gobbling up the colormap	838	* so just keep gobbling up the colormap
910	*/	839	*/
911	# if 0
912	for (i = Color_Black; i <= Color_White; i++)
913	if (PixColors[idx] == PixColors[i])
914	break;
915	if (i > Color_White)
916	{
917	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
918	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,
919	DisplayPlanes (display->display, display->screen));
920	}
921	# endif
922		840
923	PixColors[idx] = xcol;	841	pix_colors_focused[idx] = xcol;
924	SET_PIXCOLOR (idx);
925		842
926	/* XSetWindowAttributes attr; */
927	/* Cursor cursor; */
928	Done:	843	done:
929	if (idx == Color_bg && ! (Options & Opt_transparent))
930	XSetWindowBackground (display->display, TermWin.vt,
931	PixColors[Color_bg]);
932
933	/* handle Color_BD, scrollbar background, etc. */	844	/*TODO: handle Color_BD, scrollbar background, etc. */
934		845
935	set_colorfgbg ();	846	update_fade_color (idx);
936	recolour_cursor ();	847	recolour_cursor ();
937	/* the only reasonable way to enforce a clean update */	848	scr_recolour ();
938	scr_poweron ();	849	#endif /* XTERM_COLOR_CHANGE */
939	}	850	}
940
941	#else
942	# define set_window_color (idx,color) ((void)0)
943	#endif /* XTERM_COLOR_CHANGE */
944		851
945	void	852	void
946	rxvt_term::recolour_cursor ()	853	rxvt_term::recolour_cursor ()
947	{	854	{
948	#if TODO	855	XColor fg, bg;
949	rxvt_color xcol[2];
950		856
951	xcol[0] = PixColors[Color_pointer];	857	(ISSET_PIXCOLOR (Color_pointer_fg)
952	xcol[1] = PixColors[Color_bg];	858	? pix_colors_focused[Color_pointer_fg]
953	XQueryColors (display->display, XCMAP, xcol, 2);	859	: pix_colors_focused[Color_fg]).get (fg);
954	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	860
955	#endif	861	(ISSET_PIXCOLOR (Color_pointer_bg)
		862	? pix_colors_focused[Color_pointer_bg]
		863	: pix_colors_focused[Color_bg]).get (bg);
		864
		865	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
956	}	866	}
957		867
958	/*----------------------------------------------------------------------*/	868	/*----------------------------------------------------------------------*/
959	/*	869	/*
960	* find if fg/bg matches any of the normal (low-intensity) colors	870	* find if fg/bg matches any of the normal (low-intensity) colors
961	*/	871	*/
962	void	872	void
963	rxvt_term::set_colorfgbg ()	873	rxvt_term::set_colorfgbg ()
964	{	874	{
965	unsigned int i;	875	unsigned int i;
966	const char *xpmb = "\0";	876	const char *xpmb = "";
967	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	877	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
968		878
969	env_colorfgbg =
970	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
971	STRCPY (fstr, "default");	879	strcpy (fstr, "default");
972	STRCPY (bstr, "default");	880	strcpy (bstr, "default");
973	for (i = Color_Black; i <= Color_White; i++)	881	for (i = Color_Black; i <= Color_White; i++)
974	if (PixColors[Color_fg] == PixColors[i])	882	if (pix_colors[Color_fg] == pix_colors[i])
975	{	883	{
976	sprintf (fstr, "%d", (i - Color_Black));	884	sprintf (fstr, "%d", (i - Color_Black));
977	break;	885	break;
978	}	886	}
		887
979	for (i = Color_Black; i <= Color_White; i++)	888	for (i = Color_Black; i <= Color_White; i++)
980	if (PixColors[Color_bg] == PixColors[i])	889	if (pix_colors[Color_bg] == pix_colors[i])
981	{	890	{
982	sprintf (bstr, "%d", (i - Color_Black));	891	sprintf (bstr, "%d", (i - Color_Black));
983	#ifdef XPM_BACKGROUND	892	#ifdef BG_IMAGE_FROM_FILE
984	xpmb = "default;";	893	xpmb = "default;";
985	#endif	894	#endif
986	break;	895	break;
987	}	896	}
988		897
989	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	898	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
990
991	#ifndef NO_BRIGHTCOLOR
992	colorfgbg = DEFAULT_RSTYLE;
993	for (i = minCOLOR; i <= maxCOLOR; i++)
994	{
995	if (PixColors[Color_fg] == PixColors[i])
996	colorfgbg = SET_FGCOLOR (colorfgbg, i);
997	if (PixColors[Color_bg] == PixColors[i])
998	colorfgbg = SET_BGCOLOR (colorfgbg, i);
999	}
1000	#endif
1001	}	899	}
1002		900
1003	/*----------------------------------------------------------------------*/	901	/*----------------------------------------------------------------------*/
1004	/*
1005	* Colour determination for low colour displays, routine from
1006	* Hans de Goede <hans@highrise.nl>
1007	*/
1008		902
1009	int	903	bool
1010	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	904	rxvt_term::set_color (rxvt_color &color, const char *name)
1011	{	905	{
1012	if (!screen_in_out->set (display, colour))	906	if (color.set (this, name))
1013	{
1014	rxvt_print_error ("can't allocate colour: %s", colour);
1015	return false;
1016	}
1017
1018	return true;	907	return true;
		908
		909	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		910	return false;
		911	}
		912
		913	void
		914	rxvt_term::alias_color (int dst, int src)
		915	{
		916	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1019	}	917	}
1020		918
1021	/* -------------------------------------------------------------------- *	919	/* -------------------------------------------------------------------- *
1022	* - WINDOW RESIZING - *	920	* - WINDOW RESIZING - *
1023	* -------------------------------------------------------------------- */	921	* -------------------------------------------------------------------- */
1024	void	922	void
1025	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	923	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1026	{	924	{
1027	int fix_screen;	925	int fix_screen;
		926	int old_width = szHint.width;
		927	int old_height = szHint.height;
1028		928
1029	#ifdef SMART_RESIZE
1030	int old_width = szHint.width, old_height = szHint.height;
1031	#endif
1032
1033	window_calc (width, height);	929	window_calc (newwidth, newheight);
		930
		931	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
1034	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	932	XSetWMNormalHints (dpy, parent[0], &szHint);
		933
1035	if (!ignoreparent)	934	if (!ignoreparent)
1036	{	935	{
1037	#ifdef SMART_RESIZE	936	#ifdef SMART_RESIZE
1038	/*	937	/*
1039	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	938	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
1042	int x, y, x1, y1;	941	int x, y, x1, y1;
1043	int dx, dy;	942	int dx, dy;
1044	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	943	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1045	Window unused_cr;	944	Window unused_cr;
1046		945
1047	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	946	XTranslateCoordinates (dpy, parent[0], display->root,
1048	0, 0, &x, &y, &unused_cr);	947	0, 0, &x, &y, &unused_cr);
1049	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	948	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
1050	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	949	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
1051	/*	950	/*
1052	* if display->root isn't the parent window, a WM will probably have offset	951	* if display->root isn't the parent window, a WM will probably have offset
1053	* our position for handles and decorations. Counter it	952	* our position for handles and decorations. Counter it
1054	*/	953	*/
…		…
1056	{	955	{
1057	x -= x1;	956	x -= x1;
1058	y -= y1;	957	y -= y1;
1059	}	958	}
1060		959
1061	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	960	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1062	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	961	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1063	dx = old_width - szHint.width;	962	dx = old_width - szHint.width;
1064	dy = old_height - szHint.height;	963	dy = old_height - szHint.height;
1065		964
1066	/* Check position of the center of the window */	965	/* Check position of the center of the window */
1067	if (x < x1) /* left half */	966	if (x < x1) /* left half */
1068	dx = 0;	967	dx = 0;
…		…
1071	if (y < y1) /* top half */	970	if (y < y1) /* top half */
1072	dy = 0;	971	dy = 0;
1073	else if (y == y1) /* exact center */	972	else if (y == y1) /* exact center */
1074	dy /= 2;	973	dy /= 2;
1075		974
1076	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	975	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
1077	szHint.width, szHint.height);	976	szHint.width, szHint.height);
1078	#else	977	#else
1079	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	978	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
1080	szHint.height);
1081	#endif	979	#endif
1082
1083	}	980	}
1084		981
1085	fix_screen = (TermWin.ncol != prev_ncol	982	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1086	|| TermWin.nrow != prev_nrow);
1087		983
1088	if (fix_screen || width != old_width || height != old_height)	984	if (fix_screen || newwidth != old_width || newheight != old_height)
1089	{	985	{
1090	if (scrollbar_visible ())	986	if (scrollBar.state)
1091	{	987	{
1092	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,	988	XMoveResizeWindow (dpy, scrollBar.win,
		989	window_sb_x, 0,
1093	0, scrollbar_TotalWidth (), szHint.height);	990	scrollBar.total_width (), szHint.height);
1094	resize_scrollbar ();	991	resize_scrollbar ();
1095	}	992	}
1096		993
1097	if (menubar_visible ())	994	XMoveResizeWindow (dpy, vt,
1098	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	995	window_vt_x, window_vt_y,
1099	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
1100
1101	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
1102	window_vt_y, TermWin_TotalWidth (),
1103	TermWin_TotalHeight ());	996	width, height);
1104	scr_clear (height != old_height);
1105	#ifdef XPM_BACKGROUND
1106	resize_pixmap ();
1107	#endif
1108		997
		998	#ifdef HAVE_BG_PIXMAP
		999	if (bgPixmap.window_size_sensitive ())
		1000	update_background ();
		1001	#endif
		1002
		1003	scr_clear ();
1109	}	1004	}
1110		1005
1111	if (fix_screen || old_height == 0)	1006	if (fix_screen || old_height == 0)
1112	{
1113	int curr_screen = -1;
1114	int old_ncol = prev_ncol;
1115
1116	/* scr_reset only works on the primary screen */
1117	if (old_height) /* this is not the first time through */
1118	{
1119	unsigned int ncol = TermWin.ncol;
1120	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1121	curr_screen = scr_change_screen (PRIMARY);
1122	TermWin.ncol = ncol;
1123	}
1124
1125	scr_reset ();	1007	scr_reset ();
1126		1008
1127	if (curr_screen >= 0) /* this is not the first time through */	1009	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
1128	{	1010	//scr_touch (false);
1129	scr_change_screen (curr_screen);
1130	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1131	}
1132	}
1133		1011
1134	old_width = szHint.width;	1012	#ifdef HAVE_BG_PIXMAP
1135	old_height = szHint.height;	1013	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		1014	// if (bgPixmap.pixmap)
		1015	// scr_touch (false);
		1016	#endif
1136		1017
1137	#ifdef USE_XIM	1018	#ifdef USE_XIM
1138	IMSetStatusPosition ();	1019	IMSetPosition ();
1139	#endif	1020	#endif
1140	}	1021	}
1141		1022
1142	/*	1023	/*
1143	* Set the width/height of the vt window in characters. Units are pixels.	1024	* Set the width/height of the vt window in characters. Units are pixels.
1144	* good for toggling 80/132 columns	1025	* good for toggling 80/132 columns
1145	*/	1026	*/
1146	void	1027	void
1147	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1028	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1148	{	1029	{
1149	XWindowAttributes wattr;	1030	XWindowAttributes wattr;
1150		1031
1151	if (width == 0 || height == 0)	1032	if (newwidth == 0 || newheight == 0)
1152	{	1033	{
1153	XGetWindowAttributes (display->display, display->root, &wattr);	1034	XGetWindowAttributes (dpy, display->root, &wattr);
		1035
1154	if (width == 0)	1036	if (newwidth == 0)
1155	width = wattr.width - szHint.base_width;	1037	newwidth = wattr.width - szHint.base_width;
1156	if (height == 0)	1038	if (newheight == 0)
1157	height = wattr.height - szHint.base_height;	1039	newheight = wattr.height - szHint.base_height;
1158	}
1159	if (width != TermWin.width || height != TermWin.height)
1160	{	1040	}
		1041
		1042	if (newwidth != width || newheight != height)
		1043	{
1161	width += szHint.base_width;	1044	newwidth += szHint.base_width;
1162	height += szHint.base_height;	1045	newheight += szHint.base_height;
1163	resize_all_windows (width, height, 0);	1046	resize_all_windows (newwidth, newheight, 0);
1164	}	1047	}
1165	}	1048	}
1166		1049
1167	/* -------------------------------------------------------------------- *	1050	/* -------------------------------------------------------------------- *
1168	* - X INPUT METHOD ROUTINES - *	1051	* - X INPUT METHOD ROUTINES - *
1169	* -------------------------------------------------------------------- */	1052	* -------------------------------------------------------------------- */
1170	#ifdef USE_XIM	1053	#ifdef USE_XIM
1171		1054
1172	void	1055	void
		1056	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1057	{
		1058	fg = pix_colors [Color_fg];
		1059	bg = pix_colors [Color_bg];
		1060	}
		1061
		1062	void
1173	rxvt_term::im_set_size (XRectangle *size)	1063	rxvt_term::im_set_size (XRectangle &size)
1174	{	1064	{
1175	size->x = TermWin.int_bwidth;	1065	// the int_bwidth terms make no sense to me
1176	size->y = TermWin.int_bwidth;	1066	size.x = int_bwidth;
1177	size->width = Width2Pixel (TermWin.ncol);	1067	size.y = int_bwidth;
1178	size->height = Height2Pixel (TermWin.nrow);	1068	size.width = Width2Pixel (ncol) + int_bwidth;
		1069	size.height = Height2Pixel (nrow) + int_bwidth;
1179	}	1070	}
1180		1071
1181	void	1072	void
1182	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1073	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1074	XRectangle &status_rect,
		1075	const XRectangle &needed_rect)
1183	{	1076	{
1184	*fg = PixColors[Color_fg];	1077	preedit_rect.x = needed_rect.width;
1185	*bg = PixColors[Color_bg];	1078	preedit_rect.y = 0;
		1079	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1080	preedit_rect.height = fheight;
		1081
		1082	status_rect.x = 0;
		1083	status_rect.y = 0;
		1084	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1085	status_rect.height = fheight;
1186	}	1086	}
1187		1087
1188	/* Checking whether input method is running. */	1088	/* Checking whether input method is running. */
1189	bool	1089	bool
1190	rxvt_term::IMisRunning ()	1090	rxvt_term::IMisRunning ()
1191	{	1091	{
1192	char *p;	1092	char *p;
1193	Atom atom;	1093	Atom atom;
1194	Window win;	1094	Window win;
1195	char server[IMBUFSIZ];	1095	char server[IMBUFSIZ];
1196		1096
1197	/* get current locale modifier */	1097	/* get current locale modifier */
1198	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1098	if ((p = XSetLocaleModifiers (NULL)) != NULL)
1199	{	1099	{
1200	STRCPY (server, "@server=");	1100	strcpy (server, "@server=");
1201	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1101	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1102
1202	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1103	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1203	*p = '\0';	1104	*p = '\0';
1204		1105
1205	atom = XInternAtom (display->display, server, False);	1106	atom = XInternAtom (dpy, server, False);
1206	win = XGetSelectionOwner (display->display, atom);	1107	win = XGetSelectionOwner (dpy, atom);
		1108
1207	if (win != None)	1109	if (win != None)
1208	return True;	1110	return True;
1209	}	1111	}
		1112
1210	return False;	1113	return False;
1211	}	1114	}
1212		1115
1213	void	1116	void
1214	rxvt_term::IMSendSpot ()	1117	rxvt_term::IMSendSpot ()
1215	{	1118	{
1216	XPoint spot;	1119	XPoint nspot;
1217	XVaNestedList preedit_attr;	1120	XVaNestedList preedit_attr;
1218		1121
1219	if (Input_Context == NULL	1122	if (!Input_Context
1220	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1123	|| !focus
1221	|| ! (event_type == KeyPress	1124	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1222	|| event_type == Expose
1223	|| event_type == NoExpose
1224	|| event_type == SelectionNotify
1225	|| event_type == ButtonRelease || event_type == FocusIn)
1226	|| !IMisRunning ())
1227	return;	1125	return;
1228		1126
1229	im_set_position (&spot);	1127	im_set_position (nspot);
		1128
		1129	if (nspot.x == spot.x && nspot.y == spot.y)
		1130	return;
		1131
		1132	spot = nspot;
1230		1133
1231	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1134	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1232	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1135	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1233	XFree (preedit_attr);	1136	XFree (preedit_attr);
1234	}	1137	}
1235		1138
1236	void	1139	void
1237	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1238	XRectangle * needed_rect)
1239	{
1240	int mbh, vtx = 0;
1241
1242	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1243	vtx = scrollbar_TotalWidth ();
1244
1245	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1246	mbh -= TermWin.lineSpace;
1247
1248	preedit_rect->x = needed_rect->width + vtx;
1249	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1250
1251	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1252	preedit_rect->height = Height2Pixel (1);
1253
1254	status_rect->x = vtx;
1255	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1256
1257	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1258	status_rect->height = Height2Pixel (1);
1259	}
1260
1261	void
1262	rxvt_term::im_destroy ()	1140	rxvt_term::im_destroy ()
1263	{	1141	{
1264	if (Input_Context)
1265	{
1266	XDestroyIC (Input_Context);
1267	Input_Context = NULL;
1268	}
1269
1270	if (input_method)	1142	if (input_method)
1271	{	1143	{
		1144	if (Input_Context && input_method->xim)
		1145	XDestroyIC (Input_Context);
		1146
1272	display->put_xim (input_method);	1147	display->put_xim (input_method);
1273	input_method = 0;	1148	input_method = 0;
1274	}	1149	}
		1150
		1151	Input_Context = 0;
1275	}	1152	}
		1153
		1154	#ifdef ENABLE_XIM_ONTHESPOT
		1155
		1156	static void
		1157	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1158	{
		1159	((rxvt_term *)client_data)->make_current ();
		1160	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1161	}
		1162
		1163	static void
		1164	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1165	{
		1166	((rxvt_term *)client_data)->make_current ();
		1167	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1168	}
		1169
		1170	static void
		1171	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1172	{
		1173	rxvt_term *term = (rxvt_term *)client_data;
		1174	XIMText *text = call_data->text;
		1175
		1176	term->make_current ();
		1177
		1178	if (text)
		1179	{
		1180	void *str;
		1181
		1182	if (!text->encoding_is_wchar && text->string.multi_byte)
		1183	{
		1184	// of course, X makes it ugly again
		1185	if (term->rs[Rs_imLocale])
		1186	SET_LOCALE (term->rs[Rs_imLocale]);
		1187
		1188	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1189	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1190
		1191	if (term->rs[Rs_imLocale])
		1192	SET_LOCALE (term->locale);
		1193	}
		1194	else
		1195	str = (void *)text->string.wide_char;
		1196
		1197	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1198	DT_INT, call_data->caret,
		1199	DT_INT, call_data->chg_first,
		1200	DT_INT, call_data->chg_length,
		1201	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1202	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1203	DT_END));
		1204	}
		1205	else
		1206	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1207	DT_INT, call_data->caret,
		1208	DT_INT, call_data->chg_first,
		1209	DT_INT, call_data->chg_length,
		1210	DT_END));
		1211	}
		1212
		1213	#if 0
		1214	static void
		1215	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1216	{
		1217	((rxvt_term *)client_data)->make_current ();
		1218	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1219	DT_INT, call_data->position,
		1220	DT_INT, call_data->direction,
		1221	DT_INT, call_data->style,
		1222	DT_END));
		1223	}
		1224	#endif
		1225
		1226	#endif
1276		1227
1277	/*	1228	/*
1278	* Try to open a XIM with the current modifiers, then see if we can	1229	* Try to open a XIM with the current modifiers, then see if we can
1279	* open a suitable preedit type	1230	* open a suitable preedit type
1280	*/	1231	*/
1281	bool	1232	bool
1282	rxvt_term::IM_get_IC (const char *modifiers)	1233	rxvt_term::IM_get_IC (const char *modifiers)
1283	{	1234	{
1284	int i, j, found;	1235	int i, j, found;
1285	XIM xim;	1236	XIM xim;
1286	XPoint spot;	1237	XPoint spot;
1287	XRectangle rect, status_rect, needed_rect;	1238	XRectangle rect, status_rect, needed_rect;
1288	unsigned long fg, bg;	1239	unsigned long fg, bg;
1289	const char *p;	1240	const char *p;
1290	char **s;	1241	char **s;
1291	XIMStyles *xim_styles;	1242	XIMStyles *xim_styles;
1292	XVaNestedList preedit_attr, status_attr;	1243	#ifdef ENABLE_XIM_ONTHESPOT
		1244	XIMCallback xcb[4];
		1245	#endif
		1246
		1247	set_environ (envv);
1293		1248
1294	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1249	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1295	return false;	1250	return false;
1296		1251
1297	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1298	input_method = display->get_xim (locale, modifiers);	1252	input_method = display->get_xim (locale, modifiers);
1299	if (input_method == NULL)	1253	if (input_method == NULL)
1300	return false;	1254	return false;
1301		1255
1302	xim = input_method->xim;	1256	xim = input_method->xim;
		1257	spot.x = spot.y = -1;
1303		1258
1304	xim_styles = NULL;	1259	xim_styles = NULL;
1305	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1260	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1306	|| !xim_styles || !xim_styles->count_styles)	1261	|| !xim_styles || !xim_styles->count_styles)
1307	{	1262	{
1308	display->put_xim (input_method);	1263	im_destroy ();
1309	return false;	1264	return false;
1310	}	1265	}
1311		1266
1312	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1267	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1268
		1269	for (int pi = 0; pi < 2; pi++)
		1270	{
		1271	p = pet[pi];
		1272
		1273	if (!p)
		1274	continue;
		1275
1313	s = rxvt_splitcommastring (p);	1276	s = rxvt_splitcommastring (p);
		1277
1314	for (i = found = 0; !found && s[i]; i++)	1278	for (i = found = 0; !found && s[i]; i++)
1315	{	1279	{
1316	if (!STRCMP (s[i], "OverTheSpot"))	1280	if (!strcmp (s[i], "OverTheSpot"))
1317	input_style = (XIMPreeditPosition | XIMStatusNothing);	1281	input_style = XIMPreeditPosition | XIMStatusNothing;
1318	else if (!STRCMP (s[i], "OffTheSpot"))	1282	else if (!strcmp (s[i], "OffTheSpot"))
1319	input_style = (XIMPreeditArea | XIMStatusArea);	1283	input_style = XIMPreeditArea | XIMStatusArea;
1320	else if (!STRCMP (s[i], "Root"))	1284	else if (!strcmp (s[i], "Root"))
1321	input_style = (XIMPreeditNothing | XIMStatusNothing);	1285	input_style = XIMPreeditNothing | XIMStatusNothing;
		1286	else if (!strcmp (s[i], "None"))
		1287	input_style = XIMPreeditNone | XIMStatusNone;
		1288	#ifdef ENABLE_XIM_ONTHESPOT
		1289	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1290	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1291	#endif
		1292	else
		1293	input_style = XIMPreeditNothing | XIMStatusNothing;
1322		1294
1323	for (j = 0; j < xim_styles->count_styles; j++)	1295	for (j = 0; j < xim_styles->count_styles; j++)
1324	if (input_style == xim_styles->supported_styles[j])	1296	if (input_style == xim_styles->supported_styles[j])
1325	{	1297	{
		1298	rxvt_freecommastring (s);
		1299
1326	found = 1;	1300	found = 1;
1327	break;	1301	goto foundpet;
		1302	}
		1303
1328	}	1304	}
1329	}
1330		1305
1331	for (i = 0; s[i]; i++)	1306	rxvt_freecommastring (s);
1332	free (s[i]);	1307	}
1333		1308
1334	free (s);	1309	foundpet:
		1310
1335	XFree (xim_styles);	1311	XFree (xim_styles);
1336		1312
1337	if (!found)	1313	if (!found)
1338	{	1314	{
1339	display->put_xim (input_method);	1315	im_destroy ();
1340	return false;	1316	return false;
1341	}	1317	}
1342		1318
1343	preedit_attr = status_attr = NULL;	1319	XFontSet fs = 0;
		1320	XVaNestedList preedit_attr = 0, status_attr = 0;
		1321
		1322	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1323	{
		1324	// fake us a font-set, please
		1325	char **missing_charset_list;
		1326	int missing_charset_count;
		1327	char *def_string;
		1328	char pat[512];
		1329
		1330	sprintf (pat,
		1331	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1332	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1333	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1334	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1335	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1336	"*",
		1337	fheight,
		1338	fheight + 1, fheight - 1,
		1339	fheight - 2, fheight + 2);
		1340
		1341	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1342	&missing_charset_list, &missing_charset_count, &def_string);
		1343
		1344	if (missing_charset_list)
		1345	XFreeStringList (missing_charset_list);
		1346
		1347	if (!fs)
		1348	{
		1349	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1350	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1351	}
		1352	}
1344		1353
1345	if (input_style & XIMPreeditPosition)	1354	if (input_style & XIMPreeditPosition)
1346	{	1355	{
1347	im_set_size (&rect);	1356	im_set_size (rect);
1348	im_set_position (&spot);	1357	im_set_position (spot);
1349	im_set_color (&fg, &bg);	1358	im_set_color (fg, bg);
1350		1359
1351	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1360	preedit_attr = XVaCreateNestedList (0,
		1361	XNForeground, fg,
		1362	XNBackground, bg,
		1363	XNArea, &rect,
1352	XNSpotLocation, &spot,	1364	XNSpotLocation, &spot,
1353	XNForeground, fg, XNBackground, bg,
1354	//XNFontSet, TermWin.fontset,	1365	XNFontSet, fs,
1355	NULL);	1366	NULL);
1356	}	1367	}
1357	else if (input_style & XIMPreeditArea)	1368	else if (input_style & XIMPreeditArea)
1358	{	1369	{
1359	im_set_color (&fg, &bg);	1370	im_set_color (fg, bg);
1360		1371
1361	/*	1372	/*
1362	* The necessary width of preedit area is unknown	1373	* The necessary width of preedit area is unknown
1363	* until create input context.	1374	* until create input context.
1364	*/	1375	*/
1365	needed_rect.width = 0;	1376	needed_rect.width = 0;
1366
1367	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1377	im_set_preedit_area (rect, status_rect, needed_rect);
1368		1378
1369	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1379	preedit_attr = XVaCreateNestedList (0,
		1380	XNForeground, fg,
1370	XNForeground, fg, XNBackground, bg,	1381	XNBackground, bg,
		1382	XNArea, &rect,
		1383	XNFontSet, fs,
		1384	NULL);
		1385	status_attr = XVaCreateNestedList (0,
		1386	XNForeground, fg,
		1387	XNBackground, bg,
		1388	XNArea, &status_rect,
1371	//XNFontSet, TermWin.fontset,	1389	XNFontSet, fs,
1372	NULL);	1390	NULL);
1373	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,	1391	}
1374	XNForeground, fg, XNBackground, bg,	1392	#if ENABLE_XIM_ONTHESPOT
1375	//XNFontSet, TermWin.fontset,	1393	else if (input_style & XIMPreeditCallbacks)
		1394	{
		1395	im_set_position (spot);
		1396
		1397	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1398	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1399	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1400	# if 0
		1401	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1402	# endif
		1403
		1404	preedit_attr = XVaCreateNestedList (0,
		1405	XNSpotLocation, &spot,
		1406	XNPreeditStartCallback, &xcb[0],
		1407	XNPreeditDoneCallback , &xcb[1],
		1408	XNPreeditDrawCallback , &xcb[2],
		1409	# if 0
		1410	XNPreeditCaretCallback, &xcb[3],
		1411	# endif
1376	NULL);	1412	NULL);
1377	}	1413	}
		1414	#endif
1378		1415
1379	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1416	Input_Context = XCreateIC (xim,
		1417	XNInputStyle, input_style,
1380	XNClientWindow, TermWin.parent[0],	1418	XNClientWindow, vt,
1381	XNFocusWindow, TermWin.parent[0],	1419	XNFocusWindow, parent[0],
1382	preedit_attr ? XNPreeditAttributes : NULL,	1420	preedit_attr ? XNPreeditAttributes : NULL,
1383	preedit_attr,	1421	preedit_attr,
1384	status_attr ? XNStatusAttributes : NULL,	1422	status_attr ? XNStatusAttributes : NULL,
1385	status_attr, NULL);	1423	status_attr, NULL);
		1424
1386	if (preedit_attr) XFree (preedit_attr);	1425	if (preedit_attr) XFree (preedit_attr);
1387	if (status_attr) XFree (status_attr);	1426	if (status_attr) XFree (status_attr);
		1427	if (fs) XFreeFontSet (dpy, fs);
1388		1428
1389	if (Input_Context == NULL)	1429	if (Input_Context == NULL)
1390	{	1430	{
1391	rxvt_print_error ("failed to create input context");	1431	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1392	display->put_xim (input_method);	1432	im_destroy ();
1393	return false;	1433	return false;
1394	}	1434	}
1395		1435
1396	if (input_style & XIMPreeditArea)	1436	#if 0
		1437	// unfortunately, only the focus window is used by XIM, hard to fix
		1438	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1439	vt_select_input ();
		1440	#endif
		1441
1397	IMSetStatusPosition ();	1442	IMSetPosition ();
1398		1443
1399	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1400	return true;	1444	return true;
1401	}	1445	}
1402		1446
1403	void	1447	void
1404	rxvt_term::im_cb ()	1448	rxvt_term::im_cb ()
1405	{	1449	{
1406	int i, found, had_im;	1450	int i;
1407	const char *p;	1451	const char *p;
1408	char **s;	1452	char **s;
1409	char buf[IMBUFSIZ];	1453	char buf[IMBUFSIZ];
1410		1454
		1455	make_current ();
		1456
1411	im_destroy ();	1457	im_destroy ();
1412		1458
1413	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1414	if (Input_Context)	1459	if (Input_Context)
1415	return;	1460	return;
1416		1461
1417	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1462	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1418	if (rs[Rs_imLocale])	1463	if (rs[Rs_imLocale])
…		…
1423	if (p && *p)	1468	if (p && *p)
1424	{	1469	{
1425	bool found = false;	1470	bool found = false;
1426		1471
1427	s = rxvt_splitcommastring (p);	1472	s = rxvt_splitcommastring (p);
		1473
1428	for (i = 0; s[i]; i++)	1474	for (i = 0; s[i]; i++)
1429	{	1475	{
1430	if (*s[i])	1476	if (*s[i])
1431	{	1477	{
1432	STRCPY (buf, "@im=");	1478	strcpy (buf, "@im=");
1433	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1479	strncat (buf, s[i], IMBUFSIZ - 5);
1434	if (IM_get_IC (buf))	1480	if (IM_get_IC (buf))
1435	{	1481	{
1436	found = true;	1482	found = true;
1437	break;	1483	break;
1438	}	1484	}
1439	}	1485	}
1440	}	1486	}
1441	for (i = 0; s[i]; i++)	1487
1442	free (s[i]);	1488	rxvt_freecommastring (s);
1443	free (s);
1444		1489
1445	if (found)	1490	if (found)
1446	goto done;	1491	goto done;
1447	}	1492	}
1448		1493
…		…
1460	SET_LOCALE (locale);	1505	SET_LOCALE (locale);
1461	#endif	1506	#endif
1462	}	1507	}
1463		1508
1464	void	1509	void
1465	rxvt_term::IMSetStatusPosition ()	1510	rxvt_term::IMSetPosition ()
1466	{	1511	{
1467	XRectangle preedit_rect, status_rect, *needed_rect;	1512	XRectangle preedit_rect, status_rect, *needed_rect;
1468	XVaNestedList preedit_attr, status_attr;	1513	XVaNestedList preedit_attr, status_attr;
1469		1514
1470	if (Input_Context == NULL	1515	if (!Input_Context
1471	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1516	|| !focus
		1517	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1472	|| !IMisRunning ())	1518	|| !IMisRunning ())
1473	return;	1519	return;
1474		1520
		1521	if (input_style & XIMPreeditPosition)
		1522	{
		1523	im_set_size (preedit_rect);
		1524	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1525
		1526	XSetICValues (Input_Context,
		1527	XNPreeditAttributes, preedit_attr, NULL);
		1528	}
		1529	else
		1530	{
1475	/* Getting the necessary width of preedit area */	1531	/* Getting the necessary width of preedit area */
1476	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1532	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1477	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1533	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1478	XFree (status_attr);	1534	XFree (status_attr);
1479		1535
1480	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1536	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1537	XFree (needed_rect);
1481		1538
1482	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1539	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1483	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1540	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1484		1541
1485	XSetICValues (Input_Context,	1542	XSetICValues (Input_Context,
1486	XNPreeditAttributes, preedit_attr,	1543	XNPreeditAttributes, preedit_attr,
1487	XNStatusAttributes, status_attr, NULL);	1544	XNStatusAttributes, status_attr,
		1545	NULL);
1488		1546
		1547	XFree (status_attr);
		1548	}
		1549
1489	XFree (preedit_attr);	1550	XFree (preedit_attr);
1490	XFree (status_attr);
1491	}	1551	}
1492	#endif /* USE_XIM */	1552	#endif /* USE_XIM */
1493		1553
1494	/*----------------------------------------------------------------------*/	1554	void
1495	rxvt_t rxvt_current_term;	1555	rxvt_term::get_window_origin (int &x, int &y)
		1556	{
		1557	Window cr;
		1558	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1559	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1560	}
		1561
		1562	Pixmap
		1563	rxvt_term::get_pixmap_property (int prop_id)
		1564	{
		1565	if (prop_id > 0 && prop_id < NUM_XA)
		1566	if (xa[prop_id])
		1567	{
		1568	int aformat;
		1569	unsigned long nitems, bytes_after;
		1570	Atom atype;
		1571	unsigned char *prop = NULL;
		1572	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1573	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1574	&nitems, &bytes_after, &prop);
		1575	if (result == Success && prop && atype == XA_PIXMAP)
		1576	return *(Pixmap *)prop;
		1577	}
		1578
		1579	return None;
		1580	}
		1581
		1582	#ifdef HAVE_BG_PIXMAP
		1583	# if TRACE_PIXMAPS
		1584	# undef update_background
		1585	void
		1586	rxvt_term::trace_update_background (const char *file, int line)
		1587	{
		1588	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1589	update_background ();
		1590	}
		1591	# endif
		1592
		1593	void
		1594	rxvt_term::update_background ()
		1595	{
		1596	if (update_background_ev.is_active ())
		1597	return;
		1598
		1599	bgPixmap.invalidate ();
		1600
		1601	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1602
		1603	if (to_wait <= 0.)
		1604	bgPixmap.render ();
		1605	else
		1606	update_background_ev.start (to_wait);
		1607	}
		1608
		1609	void
		1610	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1611	{
		1612	make_current ();
		1613
		1614	update_background_ev.stop ();
		1615	bgPixmap.render ();
		1616	refresh_check ();
		1617	}
		1618
		1619	#endif /* HAVE_BG_PIXMAP */
1496		1620
1497	/*----------------------- end-of-file (C source) -----------------------*/	1621	/*----------------------- end-of-file (C source) -----------------------*/

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