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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.39 by pcg, Sat Feb 21 22:14:00 2004 UTC vs.
Revision 1.357 by sf-exg, Sat Jul 9 13:14:47 2011 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) 2003-2010 Marc Lehmann <schmorp@schmorp.de>
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 "init.h"
		36	#include "keyboard.h"
		37	#include "rxvtperl.h"
36		38
		39	#include <limits>
		40
		41	#include <cassert>
37	#include <signal.h>	42	#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>	43	#include <cstring>
48		44
		45	#include <termios.h>
		46
		47	#ifdef HAVE_XSETLOCALE
		48	# define X_LOCALE
		49	# include <X11/Xlocale.h>
		50	#else
		51	# ifdef HAVE_SETLOCALE
		52	# include <clocale>
		53	# endif
		54	#endif
		55
		56	struct termios rxvt_term::def_tio;
		57	vector<rxvt_term *> rxvt_term::termlist;
		58
		59	// used to tell global functions which terminal instance is "active"
		60	rxvt_t rxvt_current_term;
		61
49	static char curlocale[128];	62	static char curlocale[128], savelocale[128];
50		63
51	void	64	bool
52	rxvt_set_locale (const char *locale)	65	rxvt_set_locale (const char *locale) NOTHROW
53	{	66	{
54	if (locale && STRNCMP (locale, curlocale, 128))	67	int size = strlen (locale) + 1;
55	{	68
56	STRNCPY (curlocale, locale, 128);	69	if (size > sizeof (curlocale))
		70	rxvt_fatal ("locale string too long, aborting.\n");
		71
		72	if (!locale || !memcmp (locale, curlocale, size))
		73	return false;
		74
		75	memcpy (curlocale, locale, size);
57	setlocale (LC_CTYPE, curlocale);	76	setlocale (LC_CTYPE, curlocale);
58	}	77	return true;
59	}	78	}
60		79
61	void *	80	void
62	rxvt_term::operator new (size_t s)	81	rxvt_push_locale (const char *locale) NOTHROW
63	{	82	{
64	void *p = malloc (s);	83	strcpy (savelocale, curlocale);
		84	rxvt_set_locale (locale);
		85	}
65		86
66	MEMSET (p, 0, s);	87	void
		88	rxvt_pop_locale () NOTHROW
		89	{
		90	rxvt_set_locale (savelocale);
		91	}
		92
		93	#if ENABLE_COMBINING
		94	class rxvt_composite_vec rxvt_composite;
		95
		96	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		97	{
		98	compose_char *cc;
		99
		100	// break compose chains, as stupid readline really likes to duplicate
		101	// composing characters for some reason, near the end of a line.
		102	cc = (*this)[c1];
		103	while (cc)
		104	{
		105	if (cc->c2 == c2) return c1;
		106	cc = (*this)[cc->c1];
		107	}
		108
		109	// check to see whether this combination already exists otherwise
		110	for (cc = v.end (); cc-- > v.begin (); )
		111	if (cc->c1 == c1 && cc->c2 == c2)
		112	return COMPOSE_LO + (cc - v.begin ());
		113
		114	// allocate a new combination
		115	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		116	{
		117	static int seen;
		118
		119	if (!seen++)
		120	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
		121
		122	return REPLACEMENT_CHAR;
		123	}
		124
		125	v.push_back (compose_char (c1, c2));
		126
		127	return v.size () - 1 + COMPOSE_LO;
		128	}
		129
		130	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		131	{
		132	compose_char *cc = (*this)[c];
		133
		134	if (!cc)
		135	{
		136	if (r) *r = c;
		137	return 1;
		138	}
		139
		140	int len = expand (cc->c1, r);
		141
		142	if (r) r += len;
		143
		144	if (cc->c2 != NOCHAR)
		145	{
		146	len++;
		147	if (r) *r++ = cc->c2;
		148	}
		149
67	return p;	150	return len;
68	}
69		151
70	void
71	rxvt_term::operator delete (void *p, size_t s)
72	{
73	free (p);
74	}	152	}
		153	#endif
75		154
76	rxvt_term::rxvt_term ()	155	rxvt_term::rxvt_term ()
77	:	156	{
78	rootwin_ev (this, &rxvt_term::rootwin_cb),	157	#if HAVE_BG_PIXMAP
79	termwin_ev (this, &rxvt_term::x_cb),	158	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
80	vt_ev (this, &rxvt_term::x_cb),
81	#ifdef HAVE_SCROLLBARS
82	scrollbar_ev (this, &rxvt_term::x_cb),
83	#endif
84	#ifdef MENUBAR
85	menubar_ev (this, &rxvt_term::x_cb), fixme
86	#endif	159	#endif
87	#ifdef CURSOR_BLINK	160	#ifdef CURSOR_BLINK
88	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),	161	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
89	#endif	162	#endif
90	#ifdef TEXT_BLINK	163	#ifdef TEXT_BLINK
91	text_blink_ev (this, &rxvt_term::text_blink_cb),	164	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		165	#endif
		166	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		167	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		168	#endif
		169	#ifdef SELECTION_SCROLLING
		170	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		171	#endif
		172	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		173	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		174	#endif
		175	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		176	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		177	#endif
		178	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		179	#ifdef USE_XIM
		180	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
92	#endif	181	#endif
93	#ifdef POINTER_BLANK	182	#ifdef POINTER_BLANK
94	pointer_ev (this, &rxvt_term::pointer_cb),	183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
95	#endif	184	#endif
		185	#ifndef NO_BELL
		186	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		187	#endif
		188	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		189	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		190	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		191	pty_ev.set <rxvt_term, &rxvt_term::pty_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	bg_destroy ();
		231	#endif
		232
		233	if (display)
		234	{
		235	selection_clear ();
		236	selection_clear (true);
		237
96	#ifdef USE_XIM	238	#ifdef USE_XIM
97	im_ev (this, &rxvt_term::im_cb),	239	im_destroy ();
98	#endif	240	#endif
99	check_ev (this, &rxvt_term::check_cb),	241	scrollBar.destroy ();
100	destroy_ev (this, &rxvt_term::destroy_cb),	242	if (gc) XFreeGC (dpy, gc);
101	pty_ev (this, &rxvt_term::pty_cb),
102	incr_ev (this, &rxvt_term::incr_cb)
103	{
104	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
105	}
106		243
107	rxvt_term::~rxvt_term ()	244	delete drawable;
108	{	245	// destroy all windows
109	if (cmd_fd >= 0)	246	if (parent)
110	close (cmd_fd);	247	XDestroyWindow (dpy, parent);
111		248
112	#ifndef NO_SETOWNER_TTYDEV	249	for (int i = 0; i < TOTAL_COLORS; i++)
113	privileged_ttydev (RESTORE);	250	if (ISSET_PIXCOLOR (i))
		251	{
		252	pix_colors_focused [i].free (this);
		253	#if OFF_FOCUS_FADING
		254	pix_colors_unfocused [i].free (this);
114	#endif	255	#endif
115	#ifdef UTMP_SUPPORT	256	}
116	privileged_utmp (RESTORE);
117	#endif
118		257
119	delete TermWin.fontset;	258	clear ();
120		259
121	if (display)	260	display->flush (); /* ideally .put should do this */
122	if (TermWin.parent[0])
123	XDestroyWindow (display->display, TermWin.parent[0]);
124
125	// TODO: free pixcolours, colours should become part of rxvt_display
126
127	delete PixColors;
128
129	displays.put (display);	261	displays.put (display);
		262	}
130		263
131	scr_release ();	264	scr_release ();
132		265
133	free (env_windowid);	266	/* clear all resources */
		267	for (int i = 0; i < allocated.size (); i++)
		268	free (allocated [i]);
		269
		270	free (selection.text);
		271	free (selection.clip_text);
		272	// TODO: manage env vars in child only(!)
134	free (env_display);	273	free (env_display);
135	free (env_term);	274	free (env_term);
136	free (env_colorfgbg);
137	free (locale);	275	free (locale);
138	free (codeset);	276	free (v_buffer);
		277
		278	delete selection_req;
139		279
140	delete envv;	280	delete envv;
141	delete argv;	281	delete argv;
		282
		283	#ifdef KEYSYM_RESOURCE
		284	delete keyboard;
		285	#endif
		286	#ifndef NO_RESOURCES
		287	XrmDestroyDatabase (option_db);
		288	#endif
		289	}
		290
		291	// child has exited, usually destroys
		292	void
		293	rxvt_term::child_cb (ev::child &w, int status)
		294	{
		295	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		296
		297	cmd_pid = 0;
		298
		299	if (!option (Opt_hold))
		300	destroy ();
142	}	301	}
143		302
144	void	303	void
145	rxvt_term::destroy ()	304	rxvt_term::destroy ()
146	{	305	{
		306	if (destroy_ev.is_active ())
		307	return;
		308
		309	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		310
		311	#if ENABLE_OVERLAY
		312	scr_overlay_off ();
		313	#endif
		314
147	if (display)	315	if (display)
148	{	316	{
		317	#if USE_XIM
		318	im_ev.stop (display);
		319	#endif
		320	scrollbar_ev.stop (display);
		321	#if ENABLE_TRANSPARENCY || ENABLE_PERL
149	rootwin_ev.stop (display);	322	rootwin_ev.stop (display);
		323	#endif
150	termwin_ev.stop (display);	324	termwin_ev.stop (display);
151	vt_ev.stop (display);	325	vt_ev.stop (display);
152	#ifdef USE_XIM
153	im_destroy ();
154	im_ev.stop (display);
155	#endif
156	#ifdef HAVE_SCROLLBARS
157	scrollbar_ev.stop (display);
158	#endif
159	#ifdef MENUBAR
160	menubar_ev.stop (display);
161	#endif
162	}	326	}
163		327
164	check_ev.stop ();	328	flush_ev.stop ();
165	pty_ev.stop ();	329	pty_ev.stop ();
166	#ifdef CURSOR_BLINK	330	#ifdef CURSOR_BLINK
167	cursor_blink_ev.stop ();	331	cursor_blink_ev.stop ();
168	#endif	332	#endif
169	#ifdef TEXT_BLINK	333	#ifdef TEXT_BLINK
170	text_blink_ev.stop ();	334	text_blink_ev.stop ();
171	#endif	335	#endif
		336	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		337	cont_scroll_ev.stop ();
		338	#endif
		339	#ifdef SELECTION_SCROLLING
		340	sel_scroll_ev.stop ();
		341	#endif
172	#ifdef POINTER_BLANK	342	#ifdef POINTER_BLANK
173	pointer_ev.stop ();	343	pointer_ev.stop ();
174	#endif	344	#endif
175		345
176	destroy_ev.start (0);	346	destroy_ev.start ();
177	}	347	}
178		348
179	void	349	void
180	rxvt_term::destroy_cb (time_watcher &w)	350	rxvt_term::destroy_cb (ev::idle &w, int revents)
181	{	351	{
182	SET_R (this);	352	make_current ();
183		353
184	delete this;	354	delete this;
185	}	355	}
186		356
187	/*----------------------------------------------------------------------*/
188	/* rxvt_init () */
189	/* LIBPROTO */
190	rxvt_t
191	rxvt_init (int argc, const char *const *argv)
192	{
193	SET_R (new rxvt_term);
194
195	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
196	{
197	delete GET_R;
198	SET_R (0);
199	}
200
201	return GET_R;
202	}
203
204	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
205
206	void	357	void
207	rxvt_init_signals ()	358	rxvt_term::set_option (uint8_t opt, bool set)
208	{	359	{
209	/* install exit handler for cleanup */	360	if (!opt)
210	#if 0
211	#ifdef HAVE_ATEXIT
212	atexit (rxvt_clean_exit);
213	#else
214	#endif
215	#endif
216
217	struct sigaction sa;
218
219	sigfillset (&sa.sa_mask);
220	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
221	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
222	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
223	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
224	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
225	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
226	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
227
228	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
229	/* signal (SIGURG, SIG_DFL); */
230
231	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
232	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
233	}
234
235	bool
236	rxvt_term::init (int argc, const char *const *argv)
237	{
238	/*
239	* Save and then give up any super-user privileges
240	* If we need privileges in any area then we must specifically request it.
241	* We should only need to be root in these cases:
242	* 1. write utmp entries on some systems
243	* 2. chown tty on some systems
244	*/
245	privileges (SAVE);
246	privileges (IGNORE);
247
248	init_secondary ();
249
250	const char **cmd_argv = init_resources (argc, argv);
251
252	set_locale ("");
253
254	#if (MENUBAR_MAX)
255	menubar_read (rs[Rs_menu]);
256	#endif
257	#ifdef HAVE_SCROLLBARS
258	if (Options & Opt_scrollBar)
259	scrollBar.setIdle (); /* set existence for size calculations */
260	#endif
261
262	create_windows (argc, argv);
263
264	init_xlocale ();
265
266	scr_reset (); /* initialize screen */
267	#ifdef RXVT_GRAPHICS
268	Gr_reset (); /* reset graphics */
269	#endif
270
271	#if 0
272	XSynchronize (display->display, True);
273	#endif
274
275	#ifdef HAVE_SCROLLBARS
276	if (Options & Opt_scrollBar)
277	resize_scrollbar (); /* create and map scrollbar */
278	#endif
279	#if (MENUBAR_MAX)
280	if (menubar_visible (r))
281	XMapWindow (display->display, menuBar.win);
282	#endif
283	#ifdef TRANSPARENT
284	if (Options & Opt_transparent)
285	{
286	XSelectInput (display->display, display->root, PropertyChangeMask);
287	check_our_parents ();
288	}
289	#endif
290
291	rootwin_ev.start (display, display->root);
292
293	XMapWindow (display->display, TermWin.vt);
294	XMapWindow (display->display, TermWin.parent[0]);
295
296	init_command (cmd_argv);
297
298	pty_ev.start (cmd_fd, EVENT_READ);
299
300	check_ev.start ();
301
302	return true;
303	}
304
305	/* ------------------------------------------------------------------------- *
306	* SIGNAL HANDLING & EXIT HANDLER *
307	* ------------------------------------------------------------------------- */
308	/*
309	* Catch a SIGCHLD signal and exit if the direct child has died
310	*/
311	/* ARGSUSED */
312	/* EXTPROTO */
313	RETSIGTYPE
314	rxvt_Child_signal (int sig __attribute__ ((unused)))
315	{
316	int pid, save_errno = errno;
317	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
318	;
319	errno = save_errno;
320
321	#if 0
322	if (pid == cmd_pid)
323	exit (EXIT_SUCCESS);
324	#endif
325	}
326
327	/*
328	* Catch a fatal signal and tidy up before quitting
329	*/
330	/* EXTPROTO */
331	RETSIGTYPE
332	rxvt_Exit_signal (int sig)
333	{
334	signal (sig, SIG_DFL);
335	#ifdef DEBUG_CMD
336	rxvt_print_error ("signal %d", sig);
337	#endif
338	rxvt_clean_exit ();
339	kill (getpid (), sig);
340	}
341
342	/* INTPROTO */
343	int
344	rxvt_xerror_handler (Display *display, XErrorEvent *event)
345	{
346	if (GET_R->allowedxerror == -1)
347	GET_R->allowedxerror = event->error_code;
348	else
349	{
350	old_xerror_handler (display, event);
351	GET_R->destroy ();
352	}
353
354	return 0;	361	return;
		362
		363	uint8_t mask = 1 << (opt & 7);
		364	uint8_t &val = options [opt >> 3];
		365
		366	val = val & ~mask | (set ? mask : 0);
355	}	367	}
356		368
357	/*----------------------------------------------------------------------*/	369	/*----------------------------------------------------------------------*/
358	/*	370	/*
359	* Exit gracefully, clearing the utmp entry and restoring tty attributes	371	* Exit gracefully, clearing the utmp entry and restoring tty attributes
360	* TODO: if debugging, this should free up any known resources if we can	372	* TODO: if debugging, this should free up any known resources if we can
361	*/	373	*/
362	/* EXTPROTO */	374	static XErrorHandler old_xerror_handler;
363	void
364	rxvt_clean_exit ()
365	{
366	// TODO: rxvtd should clean up all ressources
367	if (GET_R)
368	GET_R->destroy ();
369	}
370		375
371	/* ------------------------------------------------------------------------- *	376	static void
372	* MEMORY ALLOCATION WRAPPERS *	377	rxvt_emergency_cleanup ()
373	* ------------------------------------------------------------------------- */
374	/* EXTPROTO */
375	void *
376	rxvt_malloc (size_t size)
377	{	378	{
378	void *p;	379	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
379		380	(*t)->emergency_cleanup ();
380	p = malloc (size);
381	if (p)
382	return p;
383
384	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
385	rxvt_clean_exit ();
386	exit (EXIT_FAILURE);
387	/* NOTREACHED */
388	}	381	}
389		382
390	/* EXTPROTO */	383	#if !ENABLE_MINIMAL
391	void *	384	static void
392	rxvt_calloc (size_t number, size_t size)	385	print_x_error (Display *dpy, XErrorEvent *event)
393	{	386	{
394	void *p;	387	char buffer[BUFSIZ];
395		388	char mesg[BUFSIZ];
396	p = calloc (number, size);	389	char number[32];
397	if (p)	390	const char mtype[] = "XlibMessage";
398	return p;	391	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
399		392	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
400	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	393	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
401	rxvt_clean_exit ();	394	rxvt_warn ("%s: %s\n", mesg, buffer);
402	exit (EXIT_FAILURE);	395	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
403	/* NOTREACHED */	396	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		397	sprintf(number, "%d", event->request_code);
		398	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		399	rxvt_warn ("(which is %s)\n", buffer);
		400	if (event->request_code >= 128) {
		401	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		402	mesg, BUFSIZ);
		403	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		404	}
		405	if ((event->error_code == BadWindow) ||
		406	(event->error_code == BadPixmap) ||
		407	(event->error_code == BadCursor) ||
		408	(event->error_code == BadFont) ||
		409	(event->error_code == BadDrawable) ||
		410	(event->error_code == BadColor) ||
		411	(event->error_code == BadGC) ||
		412	(event->error_code == BadIDChoice) ||
		413	(event->error_code == BadValue) ||
		414	(event->error_code == BadAtom)) {
		415	if (event->error_code == BadValue)
		416	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		417	mesg, BUFSIZ);
		418	else if (event->error_code == BadAtom)
		419	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		420	mesg, BUFSIZ);
		421	else
		422	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		423	mesg, BUFSIZ);
		424	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		425	}
		426	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		427	mesg, BUFSIZ);
		428	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
404	}	429	}
		430	#endif
405		431
406	/* EXTPROTO */	432	int
407	void *	433	rxvt_xerror_handler (Display *display, XErrorEvent *event)
408	rxvt_realloc (void *ptr, size_t size)
409	{	434	{
410	void *p;	435	if (GET_R->allowedxerror == -1)
411		436	GET_R->allowedxerror = event->error_code;
412	if (ptr)
413	p = realloc (ptr, size);
414	else	437	else
415	p = malloc (size);	438	{
416	if (p)	439	// GET_R is most likely not the terminal which caused the error,
		440	// so just output the error and continue
		441	#if ENABLE_MINIMAL
		442	old_xerror_handler (display, event);
		443	#else
		444	print_x_error (display, event);
		445	#endif
		446	}
		447
417	return p;	448	return 0;
		449	}
418		450
419	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	451	int
420	rxvt_clean_exit ();	452	rxvt_xioerror_handler (Display *display)
		453	{
		454	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		455	DisplayString (display));
		456	rxvt_emergency_cleanup ();
421	exit (EXIT_FAILURE);	457	_exit (EXIT_FAILURE);
422	/* NOTREACHED */
423	}	458	}
424		459
425	/* ------------------------------------------------------------------------- *	460	static struct sig_handlers
426	* PRIVILEGED OPERATIONS *
427	* ------------------------------------------------------------------------- */
428	/* take care of suid/sgid super-user (root) privileges */
429	void
430	rxvt_term::privileges (int mode)
431	{	461	{
432	#if ! defined(__CYGWIN32__)	462	ev::sig sw_term, sw_int;
433	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	463
434	/* setreuid () is the poor man's setuid (), seteuid () */	464	/*
435	# define seteuid(a) setreuid(-1, (a))	465	* Catch a fatal signal and tidy up before quitting
436	# define setegid(a) setregid(-1, (a))	466	*/
437	# define HAVE_SETEUID	467	void sig_term (ev::sig &w, int revents);
		468
		469	sig_handlers ()
		470	{
		471	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		472	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
		473	}
		474	} sig_handlers;
		475
		476	void
		477	sig_handlers::sig_term (ev::sig &w, int revents)
		478	{
		479	rxvt_emergency_cleanup ();
		480	w.stop ();
		481	kill (getpid (), w.signum);
		482	}
		483
		484	static void
		485	rxvt_get_ttymode (struct termios *tio)
		486	{
		487	if (tcgetattr (STDIN_FILENO, tio) < 0)
		488	memset (tio, 0, sizeof (struct termios));
		489
		490	for (int i = 0; i < NCCS; i++)
		491	tio->c_cc[i] = VDISABLE;
		492
		493	tio->c_cc[VINTR] = CINTR;
		494	tio->c_cc[VQUIT] = CQUIT;
		495	tio->c_cc[VERASE] = CERASE;
		496	#ifdef VERASE2
		497	tio->c_cc[VERASE2] = CERASE2;
		498	#endif
		499	tio->c_cc[VKILL] = CKILL;
		500	tio->c_cc[VEOF] = CEOF;
		501	tio->c_cc[VSTART] = CSTART;
		502	tio->c_cc[VSTOP] = CSTOP;
		503	tio->c_cc[VSUSP] = CSUSP;
		504	# ifdef VDSUSP
		505	tio->c_cc[VDSUSP] = CDSUSP;
438	# endif	506	# endif
439	# ifdef HAVE_SETEUID	507	# ifdef VREPRINT
440	switch (mode)	508	tio->c_cc[VREPRINT] = CRPRNT;
441	{
442	case IGNORE:
443	/*
444	* change effective uid/gid - not real uid/gid - so we can switch
445	* back to root later, as required
446	*/
447	seteuid (getuid ());
448	setegid (getgid ());
449	break;
450	case SAVE:
451	euid = geteuid ();
452	egid = getegid ();
453	break;
454	case RESTORE:
455	seteuid (euid);
456	setegid (egid);
457	break;
458	}
459	# else
460	switch (mode)
461	{
462	case IGNORE:
463	setuid (getuid ());
464	setgid (getgid ());
465	/* FALLTHROUGH */
466	case SAVE:
467	/* FALLTHROUGH */
468	case RESTORE:
469	break;
470	}
471	# endif	509	# endif
472	#endif	510	# ifdef VDISCRD
473	}	511	tio->c_cc[VDISCRD] = CFLUSH;
474
475	#ifdef UTMP_SUPPORT
476	void
477	rxvt_term::privileged_utmp (char action)
478	{
479	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",
480	action, next_utmp_action, getpid ()));
481	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
482	|| (Options & Opt_utmpInhibit)
483	|| ttydev == NULL || *ttydev == '\0')
484	return;
485
486	privileges (RESTORE);
487	if (action == SAVE)
488	{
489	next_utmp_action = RESTORE;
490	makeutent (ttydev, rs[Rs_display_name]);
491	}
492	else
493	{ /* action == RESTORE */
494	next_utmp_action = IGNORE;
495	cleanutent ();
496	}
497	privileges (IGNORE);
498	}
499	#endif
500
501	#ifndef NO_SETOWNER_TTYDEV
502	void
503	rxvt_term::privileged_ttydev (char action)
504	{
505	D_MAIN ((stderr,
506	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
507	action, next_tty_action, getpid ()));
508	if (next_tty_action != action || (action != SAVE && action != RESTORE)
509	|| ttydev == NULL || *ttydev == '\0')
510	return;
511
512	privileges (RESTORE);
513
514	if (action == SAVE)
515	{
516	next_tty_action = RESTORE;
517	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
518	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
519	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
520	next_tty_action = IGNORE;
521	else
522	# endif	512	# endif
523		513	# ifdef VWERSE
524	{	514	tio->c_cc[VWERSE] = CWERASE;
525	chown (ttydev, getuid (), ttygid); /* fail silently */
526	chmod (ttydev, ttymode);
527	# ifdef HAVE_REVOKE
528	revoke (ttydev);
529	# endif	515	# endif
530		516	# ifdef VLNEXT
531	}	517	tio->c_cc[VLNEXT] = CLNEXT;
532	}
533	else
534	{ /* action == RESTORE */
535	next_tty_action = IGNORE;
536	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
537	chmod (ttydev, ttyfd_stat.st_mode);
538	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
539	# else
540	chmod (ttydev,
541	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
542	chown (ttydev, 0, 0);
543	# endif	518	# endif
544		519	# ifdef VSTATUS
545	}	520	tio->c_cc[VSTATUS] = CSTATUS;
546
547	privileges (IGNORE);
548
549	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
550	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
551	action == RESTORE ? "Restoring" : (action ==
552	SAVE ? "Saving" :
553	"UNKNOWN ERROR for"), ttydev,
554	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
555	ttyfd_stat.st_gid));
556	# endif	521	# endif
557	}	522
		523	# if VMIN != VEOF
		524	tio->c_cc[VMIN] = 1;
558	#endif	525	# endif
		526	# if VTIME != VEOL
		527	tio->c_cc[VTIME] = 0;
		528	# endif
		529
		530	/* input modes */
		531	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		532	# ifdef IMAXBEL
		533	| IMAXBEL
		534	# endif
		535	| IXON);
		536
		537	/* output modes */
		538	tio->c_oflag = (OPOST | ONLCR);
		539
		540	/* control modes */
		541	tio->c_cflag = (CS8 | CREAD);
		542
		543	/* local modes */
		544	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		545	# if defined (ECHOCTL) && defined (ECHOKE)
		546	| ECHOCTL | ECHOKE
		547	# endif
		548	| ECHOE | ECHOK);
		549	}
		550
		551	char **rxvt_environ; // startup environment
		552
		553	void
		554	rxvt_init ()
		555	{
		556	assert (("fontMask must not overlap other RS masks",
		557	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		558
		559	rxvt_get_ttymode (&rxvt_term::def_tio);
		560
		561	// get rid of stdin/stdout as we don't need them, to free resources
		562	dup2 (STDERR_FILENO, STDIN_FILENO);
		563	dup2 (STDERR_FILENO, STDOUT_FILENO);
		564
		565	if (!ev_default_loop ())
		566	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		567
		568	rxvt_environ = environ;
		569
		570	signal (SIGHUP, SIG_IGN);
		571	signal (SIGPIPE, SIG_IGN);
		572
		573	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		574	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		575
		576	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		577	// TODO: handle this with exceptions and tolerate the memory loss
		578	XSetIOErrorHandler (rxvt_xioerror_handler);
		579
		580	XrmInitialize ();
		581	}
559		582
560	/*----------------------------------------------------------------------*/	583	/*----------------------------------------------------------------------*/
561	/*	584	/*
562	* window size/position calculcations for XSizeHint and other storage.	585	* window size/position calculations for XSizeHint and other storage.
563	* if width/height are non-zero then override calculated width/height	586	* if width/height are non-zero then override calculated width/height
564	*/	587	*/
565	void	588	void
566	rxvt_term::window_calc (unsigned int width, unsigned int height)	589	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
567	{	590	{
568	short recalc_x, recalc_y;	591	short recalc_x, recalc_y;
569	int x, y, sb_w, mb_h, flags;	592	int x, y, flags;
570	unsigned int w, h;	593	unsigned int w, h;
571	unsigned int max_width, max_height;	594	unsigned int max_width, max_height;
572		595
573	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
574	TermWin.ncol, TermWin.nrow, szHint.width,
575	szHint.height));
576	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	596	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
577	szHint.win_gravity = NorthWestGravity;	597	szHint.win_gravity = NorthWestGravity;
578	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	598	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
579		599
580	recalc_x = recalc_y = 0;	600	recalc_x = recalc_y = 0;
581	flags = 0;	601	flags = 0;
		602
582	if (!parsed_geometry)	603	if (!parsed_geometry)
583	{	604	{
584	parsed_geometry = 1;	605	parsed_geometry = 1;
		606
585	if (rs[Rs_geometry])	607	if (rs[Rs_geometry])
586	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	608	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		609
587	if (flags & WidthValue)	610	if (flags & WidthValue)
588	{	611	{
589	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	612	if (!w)
		613	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		614
		615	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
590	szHint.flags |= USSize;	616	szHint.flags |= USSize;
591	}	617	}
		618
592	if (flags & HeightValue)	619	if (flags & HeightValue)
593	{	620	{
594	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	621	if (!h)
		622	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		623
		624	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
595	szHint.flags |= USSize;	625	szHint.flags |= USSize;
596	}	626	}
		627
597	if (flags & XValue)	628	if (flags & XValue)
598	{	629	{
599	szHint.x = x;	630	szHint.x = x;
600	szHint.flags |= USPosition;	631	szHint.flags |= USPosition;
		632
601	if (flags & XNegative)	633	if (flags & XNegative)
602	{	634	{
603	recalc_x = 1;	635	recalc_x = 1;
604	szHint.win_gravity = NorthEastGravity;	636	szHint.win_gravity = NorthEastGravity;
605	}	637	}
606	}	638	}
		639
607	if (flags & YValue)	640	if (flags & YValue)
608	{	641	{
609	szHint.y = y;	642	szHint.y = y;
610	szHint.flags |= USPosition;	643	szHint.flags |= USPosition;
		644
611	if (flags & YNegative)	645	if (flags & YNegative)
612	{	646	{
613	recalc_y = 1;	647	recalc_y = 1;
		648
614	if (szHint.win_gravity == NorthEastGravity)	649	if (szHint.win_gravity == NorthEastGravity)
615	szHint.win_gravity = SouthEastGravity;	650	szHint.win_gravity = SouthEastGravity;
616	else	651	else
617	szHint.win_gravity = SouthWestGravity;	652	szHint.win_gravity = SouthWestGravity;
618	}	653	}
619	}	654	}
620	}	655	}
		656
621	/* TODO: BOUNDS */	657	/* TODO: BOUNDS */
622	TermWin.width = TermWin.ncol * TermWin.fwidth;	658	width = ncol * fwidth;
623	TermWin.height = TermWin.nrow * TermWin.fheight;	659	height = nrow * fheight;
624	max_width = MAX_COLS * TermWin.fwidth;	660	max_width = MAX_COLS * fwidth;
625	max_height = MAX_ROWS * TermWin.fheight;	661	max_height = MAX_ROWS * fheight;
626		662
627	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	663	szHint.base_width = szHint.base_height = 2 * int_bwidth;
628		664
629	sb_w = mb_h = 0;
630	window_vt_x = window_vt_y = 0;	665	window_vt_x = window_vt_y = int_bwidth;
631	if (scrollbar_visible ())	666
		667	if (scrollBar.state)
632	{	668	{
633	sb_w = scrollbar_TotalWidth ();	669	int sb_w = scrollBar.total_width ();
634	szHint.base_width += sb_w;	670	szHint.base_width += sb_w;
		671
635	if (! (Options & Opt_scrollBar_right))	672	if (!option (Opt_scrollBar_right))
636	window_vt_x = sb_w;	673	window_vt_x += sb_w;
637	}
638	if (menubar_visible ())
639	{	674	}
640	mb_h = menuBar_TotalHeight ();	675
641	szHint.base_height += mb_h;
642	window_vt_y = mb_h;
643	}
644	szHint.width_inc = TermWin.fwidth;	676	szHint.width_inc = fwidth;
645	szHint.height_inc = TermWin.fheight;	677	szHint.height_inc = fheight;
646	szHint.min_width = szHint.base_width + szHint.width_inc;	678	szHint.min_width = szHint.base_width + szHint.width_inc;
647	szHint.min_height = szHint.base_height + szHint.height_inc;	679	szHint.min_height = szHint.base_height + szHint.height_inc;
648		680
649	if (width && width - szHint.base_width < max_width)	681	if (newwidth && newwidth - szHint.base_width < max_width)
650	{	682	{
651	szHint.width = width;	683	szHint.width = newwidth;
652	TermWin.width = width - szHint.base_width;	684	width = newwidth - szHint.base_width;
653	}	685	}
654	else	686	else
655	{	687	{
656	MIN_IT (TermWin.width, max_width);	688	min_it (width, max_width);
657	szHint.width = szHint.base_width + TermWin.width;	689	szHint.width = szHint.base_width + width;
658	}	690	}
		691
659	if (height && height - szHint.base_height < max_height)	692	if (newheight && newheight - szHint.base_height < max_height)
660	{	693	{
661	szHint.height = height;	694	szHint.height = newheight;
662	TermWin.height = height - szHint.base_height;	695	height = newheight - szHint.base_height;
663	}	696	}
664	else	697	else
665	{	698	{
666	MIN_IT (TermWin.height, max_height);	699	min_it (height, max_height);
667	szHint.height = szHint.base_height + TermWin.height;	700	szHint.height = szHint.base_height + height;
668	}	701	}
669	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
670	window_sb_x = szHint.width - sb_w;
671		702
672	if (recalc_x)	703	if (recalc_x)
673	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	704	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
674	- szHint.width - 2 * TermWin.ext_bwidth);	705
675	if (recalc_y)	706	if (recalc_y)
676	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	707	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
677	- szHint.height - 2 * TermWin.ext_bwidth);
678		708
679	TermWin.ncol = TermWin.width / TermWin.fwidth;	709	ncol = width / fwidth;
680	TermWin.nrow = TermWin.height / TermWin.fheight;	710	nrow = height / fheight;
681	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
682	TermWin.ncol, TermWin.nrow, szHint.width,
683	szHint.height));
684	return;
685	}	711	}
686		712
687	/*----------------------------------------------------------------------*/	713	/*----------------------------------------------------------------------*/
688	/*	714	/*
689	* Tell the teletype handler what size the window is.	715	* Tell the teletype handler what size the window is.
690	* Called after a window size change.	716	* Called after a window size change.
691	*/	717	*/
692	void	718	void
693	rxvt_term::tt_winch ()	719	rxvt_term::tt_winch ()
694	{	720	{
		721	if (pty->pty < 0)
		722	return;
		723
695	struct winsize ws;	724	struct winsize ws;
696		725
697	if (cmd_fd < 0)
698	return;
699
700	ws.ws_col = TermWin.ncol;	726	ws.ws_col = ncol;
701	ws.ws_row = TermWin.nrow;	727	ws.ws_row = nrow;
702	ws.ws_xpixel = ws.ws_ypixel = 0;	728	ws.ws_xpixel = width;
703	#ifndef DEBUG_SIZE	729	ws.ws_ypixel = height;
704	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	730	ioctl (pty->pty, TIOCSWINSZ, &ws);
		731
		732	#if 0
		733	// TIOCSWINSZ is supposed to do this automatically and correctly
		734	if (cmd_pid) /* force through to the command */
		735	kill (-cmd_pid, SIGWINCH);
		736	#endif
		737	}
		738
		739	/*----------------------------------------------------------------------*/
		740	/* load and set the various fonts */
		741	bool
		742	rxvt_term::set_fonts ()
		743	{
		744	rxvt_fontset *fs = new rxvt_fontset (this);
		745	rxvt_fontprop prop;
		746
		747	if (!fs
		748	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		749	|| !fs->realize_font (1))
		750	{
		751	delete fs;
		752	return false;
		753	}
		754
		755	#if ENABLE_STYLES
		756	for (int i = RS_styleCount; --i; )
		757	if (fontset[i] != fontset[0])
		758	delete fontset[i];
		759	#endif
		760
		761	delete fontset[0];
		762	fontset[0] = fs;
		763
		764	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		765	prop.height += lineSpace;
		766	prop.width += letterSpace;
		767
		768	fs->set_prop (prop, false);
		769
		770	fwidth = prop.width;
		771	fheight = prop.height;
		772	fbase = prop.ascent;
		773
		774	for (int style = 1; style < 4; style++)
		775	{
		776	#if ENABLE_STYLES
		777	const char *res = rs[Rs_font + style];
		778
		779	if (res && !*res)
		780	fontset[style] = fontset[0];
		781	else
		782	{
		783	fontset[style] = fs = new rxvt_fontset (this);
		784	rxvt_fontprop prop2 = prop;
		785
		786	if (res)
		787	{
		788	fs->populate (res);
		789	fs->set_prop (prop2, false);
		790	}
		791	else
		792	{
		793	fs->populate (fontset[0]->fontdesc);
		794
		795	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		796	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		797
		798	fs->set_prop (prop2, true);
		799	}
		800
		801	}
705	#else	802	#else
706	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	803	fontset[style] = fontset[0];
707	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
708	# ifdef SIGWINCH
709	else if (cmd_pid) /* force through to the command */
710	kill (cmd_pid, SIGWINCH);
711	# endif	804	#endif
712	#endif	805	}
713	}
714		806
715	/*----------------------------------------------------------------------*/	807	if (parent)
716	/* rxvt_change_font () - Switch to a new font */	808	{
717	/*	809	resize_all_windows (0, 0, 0);
718	* init = 1 - initialize	810	scr_remap_chars ();
719	*	811	scr_touch (true);
720	* fontname == FONT_UP - switch to bigger font	812	}
721	* fontname == FONT_DN - switch to smaller font
722	*/
723	void
724	rxvt_term::change_font (int init, const char *fontname)
725	{}
726		813
		814	return true;
		815	}
		816
727	void	817	void
728	rxvt_term::font_up_down (int n, int direction)	818	rxvt_term::set_string_property (Atom prop, const char *str, int len)
729	{}	819	{
		820	XChangeProperty (dpy, parent,
		821	prop, XA_STRING, 8, PropModeReplace,
		822	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		823	}
		824
		825	void
		826	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		827	{
		828	XTextProperty ct;
		829
		830	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		831	{
		832	XSetTextProperty (dpy, parent, &ct, prop);
		833	XFree (ct.value);
		834	}
		835	}
		836
		837	void
		838	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		839	{
		840	wchar_t *ws = rxvt_mbstowcs (str, len);
		841	char *s = rxvt_wcstoutf8 (ws);
		842
		843	XChangeProperty (dpy, parent,
		844	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		845	(const unsigned char *)s, strlen (s));
		846
		847	free (s);
		848	free (ws);
		849	}
730		850
731	/*----------------------------------------------------------------------*/	851	/*----------------------------------------------------------------------*/
732	/*----------------------------------------------------------------------*/	852	/*----------------------------------------------------------------------*/
733	/* xterm sequences - title, iconName, color (exptl) */	853	/* xterm sequences - title, iconName, color (exptl) */
734	void	854	void
735	rxvt_term::set_title (const char *str)	855	rxvt_term::set_title (const char *str)
736	{	856	{
737	#ifndef SMART_WINDOW_TITLE	857	set_mbstring_property (XA_WM_NAME, str);
738	XStoreName (display->display, TermWin.parent[0], str);	858	#if ENABLE_EWMH
739	#else	859	set_utf8_property (xa[XA_NET_WM_NAME], str);
740	char *name;
741
742	if (XFetchName (display->display, TermWin.parent[0], &name) == 0)
743	name = NULL;
744	if (name == NULL || STRCMP (name, str))
745	XStoreName (display->display, TermWin.parent[0], str);
746	if (name)
747	XFree (name);
748	#endif	860	#endif
749	}	861	}
750		862
751	void	863	void
752	rxvt_term::set_iconName (const char *str)	864	rxvt_term::set_icon_name (const char *str)
753	{	865	{
754	#ifndef SMART_WINDOW_TITLE	866	set_mbstring_property (XA_WM_ICON_NAME, str);
755	XSetIconName (display->display, TermWin.parent[0], str);	867	#if ENABLE_EWMH
756	#else	868	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
757	char *name;
758
759	if (XGetIconName (display->display, TermWin.parent[0], &name))
760	name = NULL;
761	if (name == NULL || STRCMP (name, str))
762	XSetIconName (display->display, TermWin.parent[0], str);
763	if (name)
764	XFree (name);
765	#endif	869	#endif
766	}	870	}
767		871
		872	void
		873	rxvt_term::set_window_color (int idx, const char *color)
		874	{
768	#ifdef XTERM_COLOR_CHANGE	875	#ifdef XTERM_COLOR_CHANGE
769	void
770	rxvt_term::set_window_color (int idx, const char *color)
771	{
772	rxvt_color xcol;	876	rxvt_color xcol;
773	int i;
774		877
775	if (color == NULL || *color == '\0')	878	if (color == NULL || *color == '\0')
776	return;	879	return;
777		880
		881	color = strdup (color);
		882	allocated.push_back ((void *)color);
		883	rs[Rs_color + idx] = color;
		884
778	/* handle color aliases */	885	/* handle color aliases */
779	if (isdigit (*color))	886	if (isdigit (*color))
780	{	887	{
781	i = atoi (color);	888	int i = atoi (color);
		889
782	if (i >= 8 && i <= 15)	890	if (i >= 8 && i <= 15)
		891	{
783	{ /* bright colors */	892	/* bright colors */
784	i -= 8;
785	# ifndef NO_BRIGHTCOLOR
786	PixColors[idx] = PixColors[minBrightCOLOR + i];	893	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
787	SET_PIXCOLOR (idx);
788	goto Done;	894	goto done;
789	# endif
790
791	}	895	}
		896
792	if (i >= 0 && i <= 7)	897	if (i >= 0 && i <= 7)
		898	{
793	{ /* normal colors */	899	/* normal colors */
794	PixColors[idx] = PixColors[minCOLOR + i];	900	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
795	SET_PIXCOLOR (idx);
796	goto Done;	901	goto done;
797	}	902	}
798	}	903	}
799	if (!rXParseAllocColor (& xcol, color))	904
800	return;	905	set_color (xcol, color);
801	/* XStoreColor (display->display, XCMAP, XColor*); */
802		906
803	/*	907	/*
804	* FIXME: should free colors here, but no idea how to do it so instead,	908	* FIXME: should free colors here, but no idea how to do it so instead,
805	* so just keep gobbling up the colormap	909	* so just keep gobbling up the colormap
806	*/	910	*/
807	# if 0
808	for (i = Color_Black; i <= Color_White; i++)
809	if (PixColors[idx] == PixColors[i])
810	break;
811	if (i > Color_White)
812	{
813	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
814	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,
815	DisplayPlanes (display->display, display->screen));
816	}
817	# endif
818		911
819	PixColors[idx] = xcol;	912	pix_colors_focused[idx] = xcol;
820	SET_PIXCOLOR (idx);
821		913
822	/* XSetWindowAttributes attr; */
823	/* Cursor cursor; */
824	Done:	914	done:
825	if (idx == Color_bg && ! (Options & Opt_transparent))
826	XSetWindowBackground (display->display, TermWin.vt,
827	PixColors[Color_bg]);
828
829	/* handle Color_BD, scrollbar background, etc. */	915	/*TODO: handle Color_BD, scrollbar background, etc. */
830		916
831	set_colorfgbg ();	917	update_fade_color (idx);
832	recolour_cursor ();	918	recolour_cursor ();
833	/* the only reasonable way to enforce a clean update */	919	scr_recolour ();
834	scr_poweron ();	920	#endif /* XTERM_COLOR_CHANGE */
835	}	921	}
836
837	#else
838	# define set_window_color (idx,color) ((void)0)
839	#endif /* XTERM_COLOR_CHANGE */
840		922
841	void	923	void
842	rxvt_term::recolour_cursor ()	924	rxvt_term::recolour_cursor ()
843	{	925	{
844	#if TODO	926	XColor fg, bg;
845	rxvt_color xcol[2];
846		927
847	xcol[0] = PixColors[Color_pointer];	928	(ISSET_PIXCOLOR (Color_pointer_fg)
848	xcol[1] = PixColors[Color_bg];	929	? pix_colors_focused[Color_pointer_fg]
849	XQueryColors (display->display, XCMAP, xcol, 2);	930	: pix_colors_focused[Color_fg]).get (fg);
850	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	931
851	#endif	932	(ISSET_PIXCOLOR (Color_pointer_bg)
		933	? pix_colors_focused[Color_pointer_bg]
		934	: pix_colors_focused[Color_bg]).get (bg);
		935
		936	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
852	}	937	}
853		938
854	/*----------------------------------------------------------------------*/	939	/*----------------------------------------------------------------------*/
855	/*	940	/*
856	* find if fg/bg matches any of the normal (low-intensity) colors	941	* find if fg/bg matches any of the normal (low-intensity) colors
857	*/	942	*/
858	void	943	void
859	rxvt_term::set_colorfgbg ()	944	rxvt_term::set_colorfgbg ()
860	{	945	{
861	unsigned int i;	946	unsigned int i;
862	const char *xpmb = "\0";	947	const char *xpmb = "";
863	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	948	char fstr[] = "default";
		949	char bstr[] = "default";
864		950
865	env_colorfgbg =
866	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
867	STRCPY (fstr, "default");
868	STRCPY (bstr, "default");
869	for (i = Color_Black; i <= Color_White; i++)	951	for (i = Color_Black; i <= Color_White; i++)
870	if (PixColors[Color_fg] == PixColors[i])	952	if (pix_colors[Color_fg] == pix_colors[i])
871	{	953	{
872	sprintf (fstr, "%d", (i - Color_Black));	954	sprintf (fstr, "%d", i - Color_Black);
873	break;	955	break;
874	}	956	}
		957
875	for (i = Color_Black; i <= Color_White; i++)	958	for (i = Color_Black; i <= Color_White; i++)
876	if (PixColors[Color_bg] == PixColors[i])	959	if (pix_colors[Color_bg] == pix_colors[i])
877	{	960	{
878	sprintf (bstr, "%d", (i - Color_Black));	961	sprintf (bstr, "%d", i - Color_Black);
879	#ifdef XPM_BACKGROUND	962	#ifdef BG_IMAGE_FROM_FILE
880	xpmb = "default;";	963	xpmb = "default;";
881	#endif	964	#endif
882	break;	965	break;
883	}	966	}
884		967
885	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	968	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
886
887	#ifndef NO_BRIGHTCOLOR
888	colorfgbg = DEFAULT_RSTYLE;
889	for (i = minCOLOR; i <= maxCOLOR; i++)
890	{
891	if (PixColors[Color_fg] == PixColors[i])
892	colorfgbg = SET_FGCOLOR (colorfgbg, i);
893	if (PixColors[Color_bg] == PixColors[i])
894	colorfgbg = SET_BGCOLOR (colorfgbg, i);
895	}
896	#endif
897	}	969	}
898		970
899	/*----------------------------------------------------------------------*/	971	/*----------------------------------------------------------------------*/
900	/*
901	* Colour determination for low colour displays, routine from
902	* Hans de Goede <hans@highrise.nl>
903	*/
904		972
905	int	973	bool
906	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	974	rxvt_term::set_color (rxvt_color &color, const char *name)
907	{	975	{
908	if (!screen_in_out->set (display, colour))	976	if (color.set (this, name))
909	{
910	rxvt_print_error ("can't allocate colour: %s", colour);
911	return false;
912	}
913
914	return true;	977	return true;
		978
		979	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		980	return false;
		981	}
		982
		983	void
		984	rxvt_term::alias_color (int dst, int src)
		985	{
		986	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
915	}	987	}
916		988
917	/* -------------------------------------------------------------------- *	989	/* -------------------------------------------------------------------- *
918	* - WINDOW RESIZING - *	990	* - WINDOW RESIZING - *
919	* -------------------------------------------------------------------- */	991	* -------------------------------------------------------------------- */
920	void	992	void
921	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	993	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
922	{	994	{
923	int fix_screen;	995	int fix_screen;
		996	int old_width = szHint.width;
		997	int old_height = szHint.height;
924		998
925	#ifdef SMART_RESIZE
926	int old_width = szHint.width, old_height = szHint.height;
927	#endif
928
929	window_calc (width, height);	999	window_calc (newwidth, newheight);
		1000
		1001	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1002
		1003	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1004	if (set_hint)
		1005	{
		1006	szHint.flags &= ~(PBaseSize | PResizeInc);
930	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1007	XSetWMNormalHints (dpy, parent, &szHint);
		1008	szHint.flags |= PBaseSize | PResizeInc;
		1009	}
		1010
931	if (!ignoreparent)	1011	if (!ignoreparent)
932	{	1012	{
933	#ifdef SMART_RESIZE	1013	#ifdef SMART_RESIZE
934	/*	1014	/*
935	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1015	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
938	int x, y, x1, y1;	1018	int x, y, x1, y1;
939	int dx, dy;	1019	int dx, dy;
940	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1020	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
941	Window unused_cr;	1021	Window unused_cr;
942		1022
943	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1023	XTranslateCoordinates (dpy, parent, display->root,
944	0, 0, &x, &y, &unused_cr);	1024	0, 0, &x, &y, &unused_cr);
945	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1025	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
946	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1026	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
947	/*	1027	/*
948	* if display->root isn't the parent window, a WM will probably have offset	1028	* if display->root isn't the parent window, a WM will probably have offset
949	* our position for handles and decorations. Counter it	1029	* our position for handles and decorations. Counter it
950	*/	1030	*/
…		…
952	{	1032	{
953	x -= x1;	1033	x -= x1;
954	y -= y1;	1034	y -= y1;
955	}	1035	}
956		1036
957	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1037	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
958	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1038	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
959	dx = old_width - szHint.width;	1039	dx = old_width - szHint.width;
960	dy = old_height - szHint.height;	1040	dy = old_height - szHint.height;
961		1041
962	/* Check position of the center of the window */	1042	/* Check position of the center of the window */
963	if (x < x1) /* left half */	1043	if (x < x1) /* left half */
964	dx = 0;	1044	dx = 0;
…		…
967	if (y < y1) /* top half */	1047	if (y < y1) /* top half */
968	dy = 0;	1048	dy = 0;
969	else if (y == y1) /* exact center */	1049	else if (y == y1) /* exact center */
970	dy /= 2;	1050	dy /= 2;
971		1051
972	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1052	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
973	szHint.width, szHint.height);	1053	szHint.width, szHint.height);
974	#else	1054	#else
975	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	1055	XResizeWindow (dpy, parent, szHint.width, szHint.height);
976	szHint.height);
977	#endif	1056	#endif
978
979	}	1057	}
980		1058
981	fix_screen = (TermWin.ncol != prev_ncol	1059	if (set_hint)
982	|| TermWin.nrow != prev_nrow);	1060	XSetWMNormalHints (dpy, parent, &szHint);
983		1061
		1062	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1063
984	if (fix_screen || width != old_width || height != old_height)	1064	if (fix_screen || newwidth != old_width || newheight != old_height)
985	{	1065	{
986	if (scrollbar_visible ())	1066	if (scrollBar.state)
987	{	1067	scrollBar.resize ();
988	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
989	0, scrollbar_TotalWidth (), szHint.height);
990	resize_scrollbar ();
991	}
992		1068
993	if (menubar_visible ())	1069	XMoveResizeWindow (dpy, vt,
994	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	1070	window_vt_x, window_vt_y,
995	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
996
997	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
998	window_vt_y, TermWin_TotalWidth (),
999	TermWin_TotalHeight ());	1071	width, height);
1000	#ifdef RXVT_GRAPHICS
1001	if (old_height)
1002	Gr_Resize (old_width - szHint.base_width,
1003	old_height - szHint.base_height);
1004	#endif
1005	scr_clear ();
1006	#ifdef XPM_BACKGROUND
1007	resize_pixmap ();
1008	#endif
1009		1072
		1073	#ifdef HAVE_BG_PIXMAP
		1074	if (bg_window_size_sensitive ())
		1075	update_background ();
		1076	#endif
1010	}	1077	}
1011		1078
1012	if (fix_screen || old_height == 0)	1079	if (fix_screen || old_height == 0)
1013	{
1014	int curr_screen = -1;
1015	int old_ncol = prev_ncol;
1016
1017	/* scr_reset only works on the primary screen */
1018	if (old_height) /* this is not the first time through */
1019	{
1020	unsigned int ncol = TermWin.ncol;
1021	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1022	curr_screen = scr_change_screen (PRIMARY);
1023	TermWin.ncol = ncol;
1024	}
1025
1026	scr_reset ();	1080	scr_reset ();
1027
1028	if (curr_screen >= 0) /* this is not the first time through */
1029	{
1030	scr_change_screen (curr_screen);
1031	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1032	}
1033	}
1034
1035	old_width = szHint.width;
1036	old_height = szHint.height;
1037		1081
1038	#ifdef USE_XIM	1082	#ifdef USE_XIM
1039	IMSetStatusPosition ();	1083	IMSetPosition ();
1040	#endif	1084	#endif
1041	}	1085	}
1042		1086
1043	/*	1087	/*
1044	* Set the width/height of the vt window in characters. Units are pixels.	1088	* Set the width/height of the vt window in characters. Units are pixels.
1045	* good for toggling 80/132 columns	1089	* good for toggling 80/132 columns
1046	*/	1090	*/
1047	void	1091	void
1048	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1092	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1049	{	1093	{
1050	XWindowAttributes wattr;	1094	XWindowAttributes wattr;
1051		1095
1052	if (width == 0 || height == 0)	1096	if (newwidth == 0 || newheight == 0)
1053	{	1097	{
1054	XGetWindowAttributes (display->display, display->root, &wattr);	1098	XGetWindowAttributes (dpy, display->root, &wattr);
		1099
1055	if (width == 0)	1100	if (newwidth == 0)
1056	width = wattr.width - szHint.base_width;	1101	newwidth = wattr.width - szHint.base_width;
1057	if (height == 0)	1102	if (newheight == 0)
1058	height = wattr.height - szHint.base_height;	1103	newheight = wattr.height - szHint.base_height;
1059	}
1060	if (width != TermWin.width || height != TermWin.height)
1061	{	1104	}
		1105
		1106	if (newwidth != width || newheight != height)
		1107	{
1062	width += szHint.base_width;	1108	newwidth += szHint.base_width;
1063	height += szHint.base_height;	1109	newheight += szHint.base_height;
1064	resize_all_windows (width, height, 0);	1110	resize_all_windows (newwidth, newheight, 0);
1065	}	1111	}
1066	}	1112	}
1067		1113
1068	/* -------------------------------------------------------------------- *	1114	/* -------------------------------------------------------------------- *
1069	* - X INPUT METHOD ROUTINES - *	1115	* - X INPUT METHOD ROUTINES - *
1070	* -------------------------------------------------------------------- */	1116	* -------------------------------------------------------------------- */
1071	#ifdef USE_XIM	1117	#ifdef USE_XIM
1072		1118
1073	void	1119	void
		1120	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1121	{
		1122	fg = pix_colors [Color_fg];
		1123	bg = pix_colors [Color_bg];
		1124	}
		1125
		1126	void
1074	rxvt_term::im_set_size (XRectangle *size)	1127	rxvt_term::im_set_size (XRectangle &size)
1075	{	1128	{
1076	size->x = TermWin.int_bwidth;	1129	// the int_bwidth terms make no sense to me
1077	size->y = TermWin.int_bwidth;	1130	size.x = int_bwidth;
1078	size->width = Width2Pixel (TermWin.ncol);	1131	size.y = int_bwidth;
1079	size->height = Height2Pixel (TermWin.nrow);	1132	size.width = Width2Pixel (ncol) + int_bwidth;
		1133	size.height = Height2Pixel (nrow) + int_bwidth;
1080	}	1134	}
1081		1135
1082	void	1136	void
1083	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1137	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1138	XRectangle &status_rect,
		1139	const XRectangle &needed_rect)
1084	{	1140	{
1085	*fg = PixColors[Color_fg];	1141	preedit_rect.x = needed_rect.width;
1086	*bg = PixColors[Color_bg];	1142	preedit_rect.y = 0;
		1143	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1144	preedit_rect.height = fheight;
		1145
		1146	status_rect.x = 0;
		1147	status_rect.y = 0;
		1148	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1149	status_rect.height = fheight;
1087	}	1150	}
1088		1151
1089	/* Checking whether input method is running. */	1152	/* Checking whether input method is running. */
1090	bool	1153	bool
1091	rxvt_term::IMisRunning ()	1154	rxvt_term::IMisRunning ()
1092	{	1155	{
1093	char *p;	1156	Atom atom;
1094	Atom atom;	1157	Window win;
1095	Window win;
1096	char server[IMBUFSIZ];	1158	char server[IMBUFSIZ];
1097		1159
1098	/* get current locale modifier */	1160	/* get current locale modifier */
1099	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1161	if (char *p = XSetLocaleModifiers (0))
1100	{	1162	{
1101	STRCPY (server, "@server=");	1163	strcpy (server, "@server=");
1102	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1164	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1165
1103	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1166	if (p = strchr (server + 1, '@')) /* first one only */
1104	*p = '\0';	1167	*p = '\0';
1105		1168
1106	atom = XInternAtom (display->display, server, False);	1169	atom = XInternAtom (dpy, server, False);
1107	win = XGetSelectionOwner (display->display, atom);	1170	win = XGetSelectionOwner (dpy, atom);
		1171
1108	if (win != None)	1172	if (win != None)
1109	return True;	1173	return true;
1110	}	1174	}
		1175
1111	return False;	1176	return false;
1112	}	1177	}
1113		1178
1114	void	1179	void
1115	rxvt_term::IMSendSpot ()	1180	rxvt_term::IMSendSpot ()
1116	{	1181	{
1117	XPoint spot;	1182	XPoint nspot;
1118	XVaNestedList preedit_attr;	1183	XVaNestedList preedit_attr;
1119		1184
1120	if (Input_Context == NULL	1185	if (!Input_Context
1121	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1186	|| !focus
1122	|| ! (event_type == KeyPress	1187	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1123	|| event_type == Expose
1124	|| event_type == NoExpose
1125	|| event_type == SelectionNotify
1126	|| event_type == ButtonRelease || event_type == FocusIn)
1127	|| !IMisRunning ())
1128	return;	1188	return;
1129		1189
1130	im_set_position (&spot);	1190	im_set_position (nspot);
		1191
		1192	if (nspot.x == spot.x && nspot.y == spot.y)
		1193	return;
		1194
		1195	spot = nspot;
1131		1196
1132	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1197	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1133	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1198	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1134	XFree (preedit_attr);	1199	XFree (preedit_attr);
1135	}	1200	}
1136		1201
1137	void	1202	void
1138	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1139	XRectangle * needed_rect)
1140	{
1141	int mbh, vtx = 0;
1142
1143	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1144	vtx = scrollbar_TotalWidth ();
1145
1146	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1147	mbh -= TermWin.lineSpace;
1148
1149	preedit_rect->x = needed_rect->width + vtx;
1150	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1151
1152	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1153	preedit_rect->height = Height2Pixel (1);
1154
1155	status_rect->x = vtx;
1156	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1157
1158	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1159	status_rect->height = Height2Pixel (1);
1160	}
1161
1162	void
1163	rxvt_term::im_destroy ()	1203	rxvt_term::im_destroy ()
1164	{	1204	{
1165	if (Input_Context)
1166	{
1167	XDestroyIC (Input_Context);
1168	Input_Context = NULL;
1169	}
1170
1171	if (input_method)	1205	if (input_method)
1172	{	1206	{
		1207	if (Input_Context && input_method->xim)
		1208	XDestroyIC (Input_Context);
		1209
1173	display->put_xim (input_method);	1210	display->put_xim (input_method);
1174	input_method = 0;	1211	input_method = 0;
1175	}	1212	}
		1213
		1214	Input_Context = 0;
1176	}	1215	}
		1216
		1217	#ifdef ENABLE_XIM_ONTHESPOT
		1218
		1219	static void
		1220	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1221	{
		1222	((rxvt_term *)client_data)->make_current ();
		1223	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1224	}
		1225
		1226	static void
		1227	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1228	{
		1229	((rxvt_term *)client_data)->make_current ();
		1230	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1231	}
		1232
		1233	static void
		1234	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1235	{
		1236	rxvt_term *term = (rxvt_term *)client_data;
		1237	XIMText *text = call_data->text;
		1238
		1239	term->make_current ();
		1240
		1241	if (text)
		1242	{
		1243	wchar_t *str;
		1244
		1245	if (!text->encoding_is_wchar && text->string.multi_byte)
		1246	{
		1247	// of course, X makes it ugly again
		1248	if (term->rs[Rs_imLocale])
		1249	SET_LOCALE (term->rs[Rs_imLocale]);
		1250
		1251	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1252	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1253
		1254	if (term->rs[Rs_imLocale])
		1255	SET_LOCALE (term->locale);
		1256	}
		1257	else
		1258	str = text->string.wide_char;
		1259
		1260	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1261	DT_INT, call_data->caret,
		1262	DT_INT, call_data->chg_first,
		1263	DT_INT, call_data->chg_length,
		1264	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1265	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1266	DT_END));
		1267	}
		1268	else
		1269	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1270	DT_INT, call_data->caret,
		1271	DT_INT, call_data->chg_first,
		1272	DT_INT, call_data->chg_length,
		1273	DT_END));
		1274	}
		1275
		1276	#if 0
		1277	static void
		1278	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1279	{
		1280	((rxvt_term *)client_data)->make_current ();
		1281	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1282	DT_INT, call_data->position,
		1283	DT_INT, call_data->direction,
		1284	DT_INT, call_data->style,
		1285	DT_END));
		1286	}
		1287	#endif
		1288
		1289	#endif
1177		1290
1178	/*	1291	/*
1179	* Try to open a XIM with the current modifiers, then see if we can	1292	* Try to open a XIM with the current modifiers, then see if we can
1180	* open a suitable preedit type	1293	* open a suitable preedit type
1181	*/	1294	*/
1182	bool	1295	bool
1183	rxvt_term::IM_get_IC (const char *modifiers)	1296	rxvt_term::IM_get_IC (const char *modifiers)
1184	{	1297	{
1185	int i, j, found;	1298	int i, j, found;
1186	XIM xim;	1299	XIM xim;
1187	XPoint spot;	1300	XPoint spot;
1188	XRectangle rect, status_rect, needed_rect;	1301	XRectangle rect, status_rect, needed_rect;
1189	unsigned long fg, bg;	1302	unsigned long fg, bg;
1190	const char *p;	1303	const char *p;
1191	char **s;	1304	char **s;
1192	XIMStyles *xim_styles;	1305	XIMStyles *xim_styles;
1193	XVaNestedList preedit_attr, status_attr;	1306
		1307	set_environ (envv);
1194		1308
1195	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1309	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1196	return false;	1310	return false;
1197		1311
1198	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1199	input_method = display->get_xim (locale, modifiers);	1312	input_method = display->get_xim (locale, modifiers);
1200	if (input_method == NULL)	1313	if (input_method == NULL)
1201	return false;	1314	return false;
1202		1315
1203	xim = input_method->xim;	1316	xim = input_method->xim;
		1317	spot.x = spot.y = -1;
1204		1318
1205	xim_styles = NULL;	1319	xim_styles = NULL;
1206	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1320	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1207	|| !xim_styles || !xim_styles->count_styles)	1321	|| !xim_styles || !xim_styles->count_styles)
1208	{	1322	{
1209	display->put_xim (input_method);	1323	im_destroy ();
1210	return false;	1324	return false;
1211	}	1325	}
1212		1326
1213	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1327	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1214	s = rxvt_splitcommastring (p);	1328
		1329	for (int pi = 0; pi < 2; pi++)
		1330	{
		1331	p = pet[pi];
		1332
		1333	if (!p)
		1334	continue;
		1335
		1336	s = rxvt_strsplit (',', p);
		1337
1215	for (i = found = 0; !found && s[i]; i++)	1338	for (i = found = 0; !found && s[i]; i++)
1216	{	1339	{
1217	if (!STRCMP (s[i], "OverTheSpot"))	1340	if (!strcmp (s[i], "OverTheSpot"))
1218	input_style = (XIMPreeditPosition | XIMStatusNothing);	1341	input_style = XIMPreeditPosition | XIMStatusNothing;
1219	else if (!STRCMP (s[i], "OffTheSpot"))	1342	else if (!strcmp (s[i], "OffTheSpot"))
1220	input_style = (XIMPreeditArea | XIMStatusArea);	1343	input_style = XIMPreeditArea | XIMStatusArea;
1221	else if (!STRCMP (s[i], "Root"))	1344	else if (!strcmp (s[i], "Root"))
1222	input_style = (XIMPreeditNothing | XIMStatusNothing);	1345	input_style = XIMPreeditNothing | XIMStatusNothing;
		1346	else if (!strcmp (s[i], "None"))
		1347	input_style = XIMPreeditNone | XIMStatusNone;
		1348	#ifdef ENABLE_XIM_ONTHESPOT
		1349	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1350	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1351	#endif
		1352	else
		1353	input_style = XIMPreeditNothing | XIMStatusNothing;
1223		1354
1224	for (j = 0; j < xim_styles->count_styles; j++)	1355	for (j = 0; j < xim_styles->count_styles; j++)
1225	if (input_style == xim_styles->supported_styles[j])	1356	if (input_style == xim_styles->supported_styles[j])
1226	{	1357	{
		1358	rxvt_free_strsplit (s);
		1359
1227	found = 1;	1360	found = 1;
1228	break;	1361	goto foundpet;
		1362	}
		1363
1229	}	1364	}
1230	}
1231		1365
1232	for (i = 0; s[i]; i++)	1366	rxvt_free_strsplit (s);
1233	free (s[i]);	1367	}
1234		1368
1235	free (s);	1369	foundpet:
		1370
1236	XFree (xim_styles);	1371	XFree (xim_styles);
1237		1372
1238	if (!found)	1373	if (!found)
1239	{	1374	{
1240	display->put_xim (input_method);	1375	im_destroy ();
1241	return false;	1376	return false;
1242	}	1377	}
1243		1378
1244	preedit_attr = status_attr = NULL;	1379	XFontSet fs = 0;
		1380	XVaNestedList preedit_attr = 0, status_attr = 0;
		1381
		1382	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1383	{
		1384	// fake us a font-set, please
		1385	char **missing_charset_list;
		1386	int missing_charset_count;
		1387	char *def_string;
		1388	char pat[512];
		1389
		1390	sprintf (pat,
		1391	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1392	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1393	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1394	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1395	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1396	"*",
		1397	fheight,
		1398	fheight + 1, fheight - 1,
		1399	fheight - 2, fheight + 2);
		1400
		1401	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1402	&missing_charset_list, &missing_charset_count, &def_string);
		1403
		1404	if (missing_charset_list)
		1405	XFreeStringList (missing_charset_list);
		1406
		1407	if (!fs)
		1408	{
		1409	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1410	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1411	}
		1412	}
1245		1413
1246	if (input_style & XIMPreeditPosition)	1414	if (input_style & XIMPreeditPosition)
1247	{	1415	{
1248	im_set_size (&rect);	1416	im_set_size (rect);
1249	im_set_position (&spot);	1417	im_set_position (spot);
1250	im_set_color (&fg, &bg);	1418	im_set_color (fg, bg);
1251		1419
1252	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1420	preedit_attr = XVaCreateNestedList (0,
		1421	XNForeground, fg,
		1422	XNBackground, bg,
		1423	XNArea, &rect,
1253	XNSpotLocation, &spot,	1424	XNSpotLocation, &spot,
1254	XNForeground, fg, XNBackground, bg,
1255	//XNFontSet, TermWin.fontset,	1425	XNFontSet, fs,
1256	NULL);	1426	NULL);
1257	}	1427	}
1258	else if (input_style & XIMPreeditArea)	1428	else if (input_style & XIMPreeditArea)
1259	{	1429	{
1260	im_set_color (&fg, &bg);	1430	im_set_color (fg, bg);
1261		1431
1262	/*	1432	/*
1263	* The necessary width of preedit area is unknown	1433	* The necessary width of preedit area is unknown
1264	* until create input context.	1434	* until create input context.
1265	*/	1435	*/
1266	needed_rect.width = 0;	1436	needed_rect.width = 0;
1267
1268	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1437	im_set_preedit_area (rect, status_rect, needed_rect);
1269		1438
1270	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1439	preedit_attr = XVaCreateNestedList (0,
		1440	XNForeground, fg,
1271	XNForeground, fg, XNBackground, bg,	1441	XNBackground, bg,
		1442	XNArea, &rect,
		1443	XNFontSet, fs,
		1444	NULL);
		1445	status_attr = XVaCreateNestedList (0,
		1446	XNForeground, fg,
		1447	XNBackground, bg,
		1448	XNArea, &status_rect,
1272	//XNFontSet, TermWin.fontset,	1449	XNFontSet, fs,
1273	NULL);	1450	NULL);
1274	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,	1451	}
1275	XNForeground, fg, XNBackground, bg,	1452	#if ENABLE_XIM_ONTHESPOT
1276	//XNFontSet, TermWin.fontset,	1453	else if (input_style & XIMPreeditCallbacks)
		1454	{
		1455	XIMCallback xcb[4];
		1456
		1457	im_set_position (spot);
		1458
		1459	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1460	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1461	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1462	# if 0
		1463	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1464	# endif
		1465
		1466	preedit_attr = XVaCreateNestedList (0,
		1467	XNSpotLocation, &spot,
		1468	XNPreeditStartCallback, &xcb[0],
		1469	XNPreeditDoneCallback , &xcb[1],
		1470	XNPreeditDrawCallback , &xcb[2],
		1471	# if 0
		1472	XNPreeditCaretCallback, &xcb[3],
		1473	# endif
1277	NULL);	1474	NULL);
1278	}	1475	}
		1476	#endif
1279		1477
1280	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1478	Input_Context = XCreateIC (xim,
		1479	XNInputStyle, input_style,
1281	XNClientWindow, TermWin.parent[0],	1480	XNClientWindow, vt,
1282	XNFocusWindow, TermWin.parent[0],	1481	XNFocusWindow, parent,
1283	preedit_attr ? XNPreeditAttributes : NULL,	1482	preedit_attr ? XNPreeditAttributes : NULL,
1284	preedit_attr,	1483	preedit_attr,
1285	status_attr ? XNStatusAttributes : NULL,	1484	status_attr ? XNStatusAttributes : NULL,
1286	status_attr, NULL);	1485	status_attr, NULL);
		1486
1287	if (preedit_attr) XFree (preedit_attr);	1487	if (preedit_attr) XFree (preedit_attr);
1288	if (status_attr) XFree (status_attr);	1488	if (status_attr) XFree (status_attr);
		1489	if (fs) XFreeFontSet (dpy, fs);
1289		1490
1290	if (Input_Context == NULL)	1491	if (Input_Context == NULL)
1291	{	1492	{
1292	rxvt_print_error ("failed to create input context");	1493	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1293	display->put_xim (input_method);	1494	im_destroy ();
1294	return false;	1495	return false;
1295	}	1496	}
1296		1497
1297	if (input_style & XIMPreeditArea)	1498	#if 0
		1499	// unfortunately, only the focus window is used by XIM, hard to fix
		1500	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1501	vt_select_input ();
		1502	#endif
		1503
1298	IMSetStatusPosition ();	1504	IMSetPosition ();
1299		1505
1300	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1301	return true;	1506	return true;
1302	}	1507	}
1303		1508
1304	void	1509	void
1305	rxvt_term::im_cb ()	1510	rxvt_term::im_cb ()
1306	{	1511	{
1307	int i, found, had_im;	1512	int i;
1308	const char *p;	1513	const char *p;
1309	char **s;	1514	char **s;
1310	char buf[IMBUFSIZ];	1515	char buf[IMBUFSIZ];
1311		1516
		1517	make_current ();
		1518
1312	im_destroy ();	1519	im_destroy ();
1313		1520
1314	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1315	if (Input_Context)	1521	if (Input_Context)
1316	return;	1522	return;
1317		1523
1318	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1524	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1319	if (rs[Rs_imLocale])	1525	if (rs[Rs_imLocale])
…		…
1323	p = rs[Rs_inputMethod];	1529	p = rs[Rs_inputMethod];
1324	if (p && *p)	1530	if (p && *p)
1325	{	1531	{
1326	bool found = false;	1532	bool found = false;
1327		1533
1328	s = rxvt_splitcommastring (p);	1534	s = rxvt_strsplit (',', p);
		1535
1329	for (i = 0; s[i]; i++)	1536	for (i = 0; s[i]; i++)
1330	{	1537	{
1331	if (*s[i])	1538	if (*s[i])
1332	{	1539	{
1333	STRCPY (buf, "@im=");	1540	strcpy (buf, "@im=");
1334	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1541	strncat (buf, s[i], IMBUFSIZ - 5);
1335	if (IM_get_IC (buf))	1542	if (IM_get_IC (buf))
1336	{	1543	{
1337	found = true;	1544	found = true;
1338	break;	1545	break;
1339	}	1546	}
1340	}	1547	}
1341	}	1548	}
1342	for (i = 0; s[i]; i++)	1549
1343	free (s[i]);	1550	rxvt_free_strsplit (s);
1344	free (s);
1345		1551
1346	if (found)	1552	if (found)
1347	goto done;	1553	goto done;
1348	}	1554	}
1349		1555
…		…
1361	SET_LOCALE (locale);	1567	SET_LOCALE (locale);
1362	#endif	1568	#endif
1363	}	1569	}
1364		1570
1365	void	1571	void
1366	rxvt_term::IMSetStatusPosition ()	1572	rxvt_term::IMSetPosition ()
1367	{	1573	{
1368	XRectangle preedit_rect, status_rect, *needed_rect;	1574	XRectangle preedit_rect, status_rect, *needed_rect;
1369	XVaNestedList preedit_attr, status_attr;	1575	XVaNestedList preedit_attr, status_attr;
1370		1576
1371	if (Input_Context == NULL	1577	if (!Input_Context
1372	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1578	|| !focus
		1579	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1373	|| !IMisRunning ())	1580	|| !IMisRunning ())
1374	return;	1581	return;
1375		1582
		1583	if (input_style & XIMPreeditPosition)
		1584	{
		1585	im_set_size (preedit_rect);
		1586	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1587
		1588	XSetICValues (Input_Context,
		1589	XNPreeditAttributes, preedit_attr, NULL);
		1590	}
		1591	else
		1592	{
1376	/* Getting the necessary width of preedit area */	1593	/* Getting the necessary width of preedit area */
1377	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1594	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1378	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1595	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1379	XFree (status_attr);	1596	XFree (status_attr);
1380		1597
1381	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1598	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1599	XFree (needed_rect);
1382		1600
1383	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1601	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1384	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1602	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1385		1603
1386	XSetICValues (Input_Context,	1604	XSetICValues (Input_Context,
1387	XNPreeditAttributes, preedit_attr,	1605	XNPreeditAttributes, preedit_attr,
1388	XNStatusAttributes, status_attr, NULL);	1606	XNStatusAttributes, status_attr,
		1607	NULL);
1389		1608
		1609	XFree (status_attr);
		1610	}
		1611
1390	XFree (preedit_attr);	1612	XFree (preedit_attr);
1391	XFree (status_attr);
1392	}	1613	}
1393	#endif /* USE_XIM */	1614	#endif /* USE_XIM */
1394		1615
1395	/*----------------------------------------------------------------------*/	1616	void
1396	rxvt_t rxvt_current_term;	1617	rxvt_term::get_window_origin (int &x, int &y)
		1618	{
		1619	Window cr;
		1620	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1621	}
		1622
		1623	Pixmap
		1624	rxvt_term::get_pixmap_property (Atom property)
		1625	{
		1626	Pixmap pixmap = None;
		1627
		1628	int aformat;
		1629	unsigned long nitems, bytes_after;
		1630	Atom atype;
		1631	unsigned char *prop;
		1632	int result = XGetWindowProperty (dpy, display->root, property,
		1633	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1634	&nitems, &bytes_after, &prop);
		1635	if (result == Success)
		1636	{
		1637	if (atype == XA_PIXMAP)
		1638	pixmap = *(Pixmap *)prop;
		1639	XFree (prop);
		1640	}
		1641
		1642	return pixmap;
		1643	}
		1644
		1645	#ifdef HAVE_BG_PIXMAP
		1646
		1647	void
		1648	rxvt_term::update_background ()
		1649	{
		1650	if (update_background_ev.is_active ())
		1651	return;
		1652
		1653	bg_invalidate ();
		1654
		1655	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1656
		1657	if (to_wait <= 0.)
		1658	bg_render ();
		1659	else
		1660	update_background_ev.start (to_wait);
		1661	}
		1662
		1663	void
		1664	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1665	{
		1666	make_current ();
		1667
		1668	update_background_ev.stop ();
		1669	bg_render ();
		1670	refresh_check ();
		1671	}
		1672
		1673	#endif /* HAVE_BG_PIXMAP */
1397		1674
1398	/*----------------------- end-of-file (C source) -----------------------*/	1675	/*----------------------- end-of-file (C source) -----------------------*/

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