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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.45 by pcg, Tue Feb 24 21:46:15 2004 UTC vs.
Revision 1.331 by sf-exg, Mon Jul 26 22:07:38 2010 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
		40	#include <cassert>
37	#include <signal.h>	41	#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>	42	#include <cstring>
48		43
		44	#include <termios.h>
		45
		46	#ifdef HAVE_XSETLOCALE
		47	# define X_LOCALE
		48	# include <X11/Xlocale.h>
		49	#else
		50	# ifdef HAVE_SETLOCALE
		51	# include <clocale>
		52	# endif
		53	#endif
		54
		55	vector<rxvt_term *> rxvt_term::termlist;
		56
		57	// used to tell global functions which terminal instance is "active"
		58	rxvt_t rxvt_current_term;
		59
49	static char curlocale[128];	60	static char curlocale[128], savelocale[128];
50		61
51	void	62	bool
52	rxvt_set_locale (const char *locale)	63	rxvt_set_locale (const char *locale) NOTHROW
53	{	64	{
54	if (locale && STRNCMP (locale, curlocale, 128))	65	int size = strlen (locale) + 1;
55	{	66
56	STRNCPY (curlocale, locale, 128);	67	if (size > sizeof (curlocale))
		68	rxvt_fatal ("locale string too long, aborting.\n");
		69
		70	if (!locale || !memcmp (locale, curlocale, size))
		71	return false;
		72
		73	memcpy (curlocale, locale, size);
57	setlocale (LC_CTYPE, curlocale);	74	setlocale (LC_CTYPE, curlocale);
58	}	75	return true;
59	}	76	}
60		77
61	void *	78	void
62	rxvt_term::operator new (size_t s)	79	rxvt_push_locale (const char *locale) NOTHROW
63	{	80	{
64	void *p = malloc (s);	81	strcpy (savelocale, curlocale);
		82	rxvt_set_locale (locale);
		83	}
65		84
66	MEMSET (p, 0, s);	85	void
		86	rxvt_pop_locale () NOTHROW
		87	{
		88	rxvt_set_locale (savelocale);
		89	}
		90
		91	#if ENABLE_COMBINING
		92	class rxvt_composite_vec rxvt_composite;
		93
		94	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		95	{
		96	compose_char *cc;
		97
		98	// break compose chains, as stupid readline really likes to duplicate
		99	// composing characters for some reason near the end of a line.
		100	cc = (*this)[c1];
		101	while (cc)
		102	{
		103	if (cc->c2 == c2) return c1;
		104	cc = (*this)[cc->c1];
		105	}
		106
		107	// check to see whether this combination already exists otherwise
		108	for (cc = v.end (); cc-- > v.begin (); )
		109	{
		110	if (cc->c1 == c1 && cc->c2 == c2)
		111	return COMPOSE_LO + (cc - v.begin ());
		112	}
		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	fprintf (stderr, "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),
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	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		193	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		195
		196	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		197
		198	termlist.push_back (this);
		199
		200	#ifdef KEYSYM_RESOURCE
		201	keyboard = new keyboard_manager;
		202	#endif
		203	}
		204
		205	// clean up the most important stuff, do *not* call x or free mem etc.
		206	// for use before an emergency exit
		207	void
		208	rxvt_term::emergency_cleanup ()
		209	{
		210	if (cmd_pid)
		211	kill (-cmd_pid, SIGHUP);
		212
		213	pty_ev.stop ();
		214	delete pty; pty = 0;
		215	}
		216
		217	rxvt_term::~rxvt_term ()
		218	{
		219	termlist.erase (find (termlist.begin (), termlist.end(), this));
		220
		221	emergency_cleanup ();
		222
		223	#if ENABLE_STYLES
		224	for (int i = RS_styleCount; --i; )
		225	if (fontset[i] != fontset[0])
		226	delete fontset[i];
		227	#endif
		228	delete fontset[0];
		229
		230	#ifdef HAVE_BG_PIXMAP
		231	bgPixmap.destroy ();
		232	#endif
		233	#ifdef HAVE_AFTERIMAGE
		234	if (asv)
		235	destroy_asvisual (asv, 0);
		236	if (asimman)
		237	destroy_image_manager (asimman, 0);
		238	#endif
		239
		240	if (display)
		241	{
		242	selection_clear ();
		243	selection_clear (true);
		244
96	#ifdef USE_XIM	245	#ifdef USE_XIM
97	im_ev (this, &rxvt_term::im_cb),	246	im_destroy ();
98	#endif	247	#endif
99	check_ev (this, &rxvt_term::check_cb),	248	scrollBar.destroy ();
100	destroy_ev (this, &rxvt_term::destroy_cb),	249	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		250
107	rxvt_term::~rxvt_term ()
108	{
109	if (cmd_fd >= 0)
110	close (cmd_fd);
111
112	#ifndef NO_SETOWNER_TTYDEV
113	privileged_ttydev (RESTORE);
114	#endif
115	#ifdef UTMP_SUPPORT
116	privileged_utmp (RESTORE);
117	#endif
118
119	delete TermWin.fontset;
120
121	if (display)
122	{
123	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
124	delete menuBar.drawable;	251	delete drawable;
125	//if (menuBar.win)
126	// XDestroyWindow (display->display, menuBar.win);
127	#endif
128	delete TermWin.drawable;
129	// destroy all windows	252	// destroy all windows
130	if (TermWin.parent[0])	253	if (parent[0])
131	XDestroyWindow (display->display, TermWin.parent[0]);	254	XDestroyWindow (dpy, parent[0]);
132	}
133		255
134	// TODO: free pixcolours, colours should become part of rxvt_display	256	for (int i = 0; i < TOTAL_COLORS; i++)
		257	if (ISSET_PIXCOLOR (i))
		258	{
		259	pix_colors_focused [i].free (this);
		260	#if OFF_FOCUS_FADING
		261	pix_colors_unfocused [i].free (this);
		262	#endif
		263	}
135		264
136	delete PixColors;	265	clear ();
137		266
		267	display->flush (); /* ideally .put should do this */
138	displays.put (display);	268	displays.put (display);
		269	}
139		270
140	scr_release ();	271	scr_release ();
141		272
142	free (env_windowid);	273	/* clear all resources */
		274	for (int i = 0; i < allocated.size (); i++)
		275	free (allocated [i]);
		276
		277	free (selection.text);
		278	free (selection.clip_text);
		279	// TODO: manage env vars in child only(!)
143	free (env_display);	280	free (env_display);
144	free (env_term);	281	free (env_term);
145	free (env_colorfgbg);
146	free (locale);	282	free (locale);
147	free (codeset);	283	free (v_buffer);
		284	free (incr_buf);
148		285
149	delete envv;	286	delete envv;
150	delete argv;	287	delete argv;
		288
		289	#ifdef KEYSYM_RESOURCE
		290	delete keyboard;
		291	#endif
		292	#ifndef NO_RESOURCES
		293	XrmDestroyDatabase (option_db);
		294	#endif
		295	}
		296
		297	// child has exited, usually destroys
		298	void
		299	rxvt_term::child_cb (ev::child &w, int status)
		300	{
		301	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		302
		303	cmd_pid = 0;
		304
		305	if (!option (Opt_hold))
		306	destroy ();
151	}	307	}
152		308
153	void	309	void
154	rxvt_term::destroy ()	310	rxvt_term::destroy ()
155	{	311	{
		312	if (destroy_ev.is_active ())
		313	return;
		314
		315	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		316
		317	#if ENABLE_OVERLAY
		318	scr_overlay_off ();
		319	#endif
		320
156	if (display)	321	if (display)
157	{	322	{
		323	#if USE_XIM
		324	im_ev.stop (display);
		325	#endif
		326	scrollbar_ev.stop (display);
		327	#if ENABLE_TRANSPARENCY || ENABLE_PERL
158	rootwin_ev.stop (display);	328	rootwin_ev.stop (display);
		329	#endif
		330	incr_ev.stop ();
159	termwin_ev.stop (display);	331	termwin_ev.stop (display);
160	vt_ev.stop (display);	332	vt_ev.stop (display);
161	#ifdef USE_XIM
162	im_destroy ();
163	im_ev.stop (display);
164	#endif
165	#ifdef HAVE_SCROLLBARS
166	scrollbar_ev.stop (display);
167	#endif
168	#ifdef MENUBAR
169	menubar_ev.stop (display);
170	#endif
171	}	333	}
172		334
173	check_ev.stop ();	335	flush_ev.stop ();
174	pty_ev.stop ();	336	pty_ev.stop ();
175	#ifdef CURSOR_BLINK	337	#ifdef CURSOR_BLINK
176	cursor_blink_ev.stop ();	338	cursor_blink_ev.stop ();
177	#endif	339	#endif
178	#ifdef TEXT_BLINK	340	#ifdef TEXT_BLINK
179	text_blink_ev.stop ();	341	text_blink_ev.stop ();
180	#endif	342	#endif
		343	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		344	cont_scroll_ev.stop ();
		345	#endif
		346	#ifdef SELECTION_SCROLLING
		347	sel_scroll_ev.stop ();
		348	#endif
181	#ifdef POINTER_BLANK	349	#ifdef POINTER_BLANK
182	pointer_ev.stop ();	350	pointer_ev.stop ();
183	#endif	351	#endif
184		352
185	destroy_ev.start (0);	353	destroy_ev.start ();
186	}	354	}
187		355
188	void	356	void
189	rxvt_term::destroy_cb (time_watcher &w)	357	rxvt_term::destroy_cb (ev::idle &w, int revents)
190	{	358	{
191	SET_R (this);	359	make_current ();
192		360
193	delete this;	361	delete this;
194	}
195
196	/*----------------------------------------------------------------------*/
197	/* rxvt_init () */
198	/* LIBPROTO */
199	rxvt_t
200	rxvt_init (int argc, const char *const *argv)
201	{
202	SET_R (new rxvt_term);
203
204	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
205	{
206	delete GET_R;
207	SET_R (0);
208	}
209
210	return GET_R;
211	}
212
213	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
214
215	void
216	rxvt_init_signals ()
217	{
218	/* install exit handler for cleanup */
219	#if 0
220	#ifdef HAVE_ATEXIT
221	atexit (rxvt_clean_exit);
222	#else
223	#endif
224	#endif
225
226	struct sigaction sa;
227
228	sigfillset (&sa.sa_mask);
229	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
230	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
231	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
232	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
233	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
234	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
235	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
236
237	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
238	/* signal (SIGURG, SIG_DFL); */
239
240	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
241	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
242	}
243
244	bool
245	rxvt_term::init (int argc, const char *const *argv)
246	{
247	/*
248	* Save and then give up any super-user privileges
249	* If we need privileges in any area then we must specifically request it.
250	* We should only need to be root in these cases:
251	* 1. write utmp entries on some systems
252	* 2. chown tty on some systems
253	*/
254	privileges (SAVE);
255	privileges (IGNORE);
256
257	init_secondary ();
258
259	const char **cmd_argv = init_resources (argc, argv);
260
261	set_locale ("");
262
263	#if MENUBAR_MAX
264	menubar_read (rs[Rs_menu]);
265	#endif
266	#ifdef HAVE_SCROLLBARS
267	if (Options & Opt_scrollBar)
268	scrollBar.setIdle (); /* set existence for size calculations */
269	#endif
270
271	create_windows (argc, argv);
272
273	init_xlocale ();
274
275	scr_reset (); /* initialize screen */
276
277	#if 0
278	XSynchronize (display->display, True);
279	#endif
280
281	#ifdef HAVE_SCROLLBARS
282	if (Options & Opt_scrollBar)
283	resize_scrollbar (); /* create and map scrollbar */
284	#endif
285	#if (MENUBAR_MAX)
286	if (menubar_visible ())
287	XMapWindow (display->display, menuBar.win);
288	#endif
289	#ifdef TRANSPARENT
290	if (Options & Opt_transparent)
291	{
292	XSelectInput (display->display, display->root, PropertyChangeMask);
293	check_our_parents ();
294	}
295	#endif
296
297	rootwin_ev.start (display, display->root);
298
299	XMapWindow (display->display, TermWin.vt);
300	XMapWindow (display->display, TermWin.parent[0]);
301
302	init_command (cmd_argv);
303
304	pty_ev.start (cmd_fd, EVENT_READ);
305
306	check_ev.start ();
307
308	return true;
309	}
310
311	/* ------------------------------------------------------------------------- *
312	* SIGNAL HANDLING & EXIT HANDLER *
313	* ------------------------------------------------------------------------- */
314	/*
315	* Catch a SIGCHLD signal and exit if the direct child has died
316	*/
317	/* ARGSUSED */
318	/* EXTPROTO */
319	RETSIGTYPE
320	rxvt_Child_signal (int sig __attribute__ ((unused)))
321	{
322	int pid, save_errno = errno;
323	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
324	;
325	errno = save_errno;
326
327	#if 0
328	if (pid == cmd_pid)
329	exit (EXIT_SUCCESS);
330	#endif
331	}
332
333	/*
334	* Catch a fatal signal and tidy up before quitting
335	*/
336	/* EXTPROTO */
337	RETSIGTYPE
338	rxvt_Exit_signal (int sig)
339	{
340	signal (sig, SIG_DFL);
341	#ifdef DEBUG_CMD
342	rxvt_print_error ("signal %d", sig);
343	#endif
344	rxvt_clean_exit ();
345	kill (getpid (), sig);
346	}
347
348	/* INTPROTO */
349	int
350	rxvt_xerror_handler (Display *display, XErrorEvent *event)
351	{
352	if (GET_R->allowedxerror == -1)
353	GET_R->allowedxerror = event->error_code;
354	else
355	{
356	old_xerror_handler (display, event);
357	GET_R->destroy ();
358	}
359
360	return 0;
361	}	362	}
362		363
363	/*----------------------------------------------------------------------*/	364	/*----------------------------------------------------------------------*/
364	/*	365	/*
365	* Exit gracefully, clearing the utmp entry and restoring tty attributes	366	* Exit gracefully, clearing the utmp entry and restoring tty attributes
366	* TODO: if debugging, this should free up any known resources if we can	367	* TODO: if debugging, this should free up any known resources if we can
367	*/	368	*/
368	/* EXTPROTO */	369	static XErrorHandler old_xerror_handler;
369	void
370	rxvt_clean_exit ()
371	{
372	// TODO: rxvtd should clean up all ressources
373	if (GET_R)
374	GET_R->destroy ();
375	}
376		370
377	/* ------------------------------------------------------------------------- *	371	static void
378	* MEMORY ALLOCATION WRAPPERS *	372	rxvt_emergency_cleanup ()
379	* ------------------------------------------------------------------------- */
380	/* EXTPROTO */
381	void *
382	rxvt_malloc (size_t size)
383	{	373	{
384	void *p;	374	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
385		375	(*t)->emergency_cleanup ();
386	p = malloc (size);
387	if (p)
388	return p;
389
390	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
391	rxvt_clean_exit ();
392	exit (EXIT_FAILURE);
393	/* NOTREACHED */
394	}	376	}
395		377
396	/* EXTPROTO */	378	#if !ENABLE_MINIMAL
397	void *	379	static void
398	rxvt_calloc (size_t number, size_t size)	380	print_x_error (Display *dpy, XErrorEvent *event)
399	{	381	{
400	void *p;	382	char buffer[BUFSIZ];
401		383	char mesg[BUFSIZ];
402	p = calloc (number, size);	384	char number[32];
403	if (p)	385	char *mtype = "XlibMessage";
404	return p;	386	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
405		387	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
406	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	388	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
407	rxvt_clean_exit ();	389	rxvt_warn ("%s: %s\n", mesg, buffer);
408	exit (EXIT_FAILURE);	390	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
409	/* NOTREACHED */	391	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		392	sprintf(number, "%d", event->request_code);
		393	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		394	rxvt_warn ("(which is %s)\n", buffer);
		395	if (event->request_code >= 128) {
		396	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		397	mesg, BUFSIZ);
		398	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		399	}
		400	if ((event->error_code == BadWindow) ||
		401	(event->error_code == BadPixmap) ||
		402	(event->error_code == BadCursor) ||
		403	(event->error_code == BadFont) ||
		404	(event->error_code == BadDrawable) ||
		405	(event->error_code == BadColor) ||
		406	(event->error_code == BadGC) ||
		407	(event->error_code == BadIDChoice) ||
		408	(event->error_code == BadValue) ||
		409	(event->error_code == BadAtom)) {
		410	if (event->error_code == BadValue)
		411	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		412	mesg, BUFSIZ);
		413	else if (event->error_code == BadAtom)
		414	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		415	mesg, BUFSIZ);
		416	else
		417	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		418	mesg, BUFSIZ);
		419	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		420	}
		421	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		422	mesg, BUFSIZ);
		423	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
410	}	424	}
		425	#endif
411		426
412	/* EXTPROTO */	427	int
413	void *	428	rxvt_xerror_handler (Display *display, XErrorEvent *event)
414	rxvt_realloc (void *ptr, size_t size)
415	{	429	{
416	void *p;	430	if (GET_R->allowedxerror == -1)
417		431	GET_R->allowedxerror = event->error_code;
418	if (ptr)
419	p = realloc (ptr, size);
420	else	432	else
421	p = malloc (size);	433	{
422	if (p)	434	// GET_R is most likely not the terminal which caused the error,
		435	// so just output the error and continue
		436	#if ENABLE_MINIMAL
		437	old_xerror_handler (display, event);
		438	#else
		439	print_x_error (display, event);
		440	#endif
		441	}
		442
423	return p;	443	return 0;
		444	}
424		445
425	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	446	int
426	rxvt_clean_exit ();	447	rxvt_xioerror_handler (Display *display)
		448	{
		449	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		450	DisplayString (display));
		451	rxvt_emergency_cleanup ();
427	exit (EXIT_FAILURE);	452	_exit (EXIT_FAILURE);
428	/* NOTREACHED */
429	}	453	}
430		454
431	/* ------------------------------------------------------------------------- *	455	static struct sig_handlers
432	* PRIVILEGED OPERATIONS *
433	* ------------------------------------------------------------------------- */
434	/* take care of suid/sgid super-user (root) privileges */
435	void
436	rxvt_term::privileges (int mode)
437	{	456	{
438	#if ! defined(__CYGWIN32__)	457	ev::sig sw_term, sw_int;
439	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	458
440	/* setreuid () is the poor man's setuid (), seteuid () */	459	/*
441	# define seteuid(a) setreuid(-1, (a))	460	* Catch a fatal signal and tidy up before quitting
442	# define setegid(a) setregid(-1, (a))	461	*/
443	# define HAVE_SETEUID	462	void sig_term (ev::sig &w, int revents);
444	# endif	463
445	# ifdef HAVE_SETEUID	464	sig_handlers ()
446	switch (mode)
447	{	465	{
448	case IGNORE:	466	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
449	/*	467	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
450	* change effective uid/gid - not real uid/gid - so we can switch
451	* back to root later, as required
452	*/
453	seteuid (getuid ());
454	setegid (getgid ());
455	break;
456	case SAVE:
457	euid = geteuid ();
458	egid = getegid ();
459	break;
460	case RESTORE:
461	seteuid (euid);
462	setegid (egid);
463	break;
464	}	468	}
465	# else	469	} sig_handlers;
466	switch (mode)
467	{
468	case IGNORE:
469	setuid (getuid ());
470	setgid (getgid ());
471	/* FALLTHROUGH */
472	case SAVE:
473	/* FALLTHROUGH */
474	case RESTORE:
475	break;
476	}
477	# endif
478	#endif
479	}
480		470
481	#ifdef UTMP_SUPPORT
482	void	471	void
483	rxvt_term::privileged_utmp (char action)	472	sig_handlers::sig_term (ev::sig &w, int revents)
484	{	473	{
485	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",	474	rxvt_emergency_cleanup ();
486	action, next_utmp_action, getpid ()));	475	w.stop ();
487	if (next_utmp_action != action || (action != SAVE && action != RESTORE)	476	kill (getpid (), w.signum);
488	|| (Options & Opt_utmpInhibit)
489	|| ttydev == NULL || *ttydev == '\0')
490	return;
491
492	privileges (RESTORE);
493	if (action == SAVE)
494	{
495	next_utmp_action = RESTORE;
496	makeutent (ttydev, rs[Rs_display_name]);
497	}
498	else
499	{ /* action == RESTORE */
500	next_utmp_action = IGNORE;
501	cleanutent ();
502	}
503	privileges (IGNORE);
504	}	477	}
505	#endif
506		478
507	#ifndef NO_SETOWNER_TTYDEV	479	char **rxvt_environ; // startup environment
508	void
509	rxvt_term::privileged_ttydev (char action)
510	{
511	D_MAIN ((stderr,
512	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
513	action, next_tty_action, getpid ()));
514	if (next_tty_action != action || (action != SAVE && action != RESTORE)
515	|| ttydev == NULL || *ttydev == '\0')
516	return;
517		480
518	privileges (RESTORE);	481	void
		482	rxvt_init ()
		483	{
		484	assert (("fontMask must not overlap other RS masks",
		485	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
519		486
520	if (action == SAVE)	487	// get rid of stdin/stdout as we don't need them, to free resources
521	{	488	dup2 (STDERR_FILENO, STDIN_FILENO);
522	next_tty_action = RESTORE;	489	dup2 (STDERR_FILENO, STDOUT_FILENO);
523	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
524	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
525	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
526	next_tty_action = IGNORE;
527	else
528	# endif
529		490
530	{	491	ptytty::init ();
531	chown (ttydev, getuid (), ttygid); /* fail silently */
532	chmod (ttydev, ttymode);
533	# ifdef HAVE_REVOKE
534	revoke (ttydev);
535	# endif
536		492
537	}	493	if (!ev_default_loop (0))
538	}	494	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
539	else
540	{ /* action == RESTORE */
541	next_tty_action = IGNORE;
542	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
543	chmod (ttydev, ttyfd_stat.st_mode);
544	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
545	# else
546	chmod (ttydev,
547	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
548	chown (ttydev, 0, 0);
549	# endif
550		495
551	}	496	rxvt_environ = environ;
552		497
553	privileges (IGNORE);	498	signal (SIGHUP, SIG_IGN);
		499	signal (SIGPIPE, SIG_IGN);
554		500
555	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	501	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
556	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	502	sig_handlers.sw_int.start (SIGINT); ev_unref ();
557	action == RESTORE ? "Restoring" : (action ==	503
558	SAVE ? "Saving" :	504	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
559	"UNKNOWN ERROR for"), ttydev,	505	// TODO: handle this with exceptions and tolerate the memory loss
560	ttyfd_stat.st_mode, ttyfd_stat.st_uid,	506	XSetIOErrorHandler (rxvt_xioerror_handler);
561	ttyfd_stat.st_gid));	507
562	# endif	508	XrmInitialize ();
563	}	509	}
564	#endif
565		510
566	/*----------------------------------------------------------------------*/	511	/*----------------------------------------------------------------------*/
567	/*	512	/*
568	* window size/position calculcations for XSizeHint and other storage.	513	* window size/position calculations for XSizeHint and other storage.
569	* if width/height are non-zero then override calculated width/height	514	* if width/height are non-zero then override calculated width/height
570	*/	515	*/
571	void	516	void
572	rxvt_term::window_calc (unsigned int width, unsigned int height)	517	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
573	{	518	{
574	short recalc_x, recalc_y;	519	short recalc_x, recalc_y;
575	int x, y, sb_w, mb_h, flags;	520	int x, y, flags;
576	unsigned int w, h;	521	unsigned int w, h;
577	unsigned int max_width, max_height;	522	unsigned int max_width, max_height;
578		523
579	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
580	TermWin.ncol, TermWin.nrow, szHint.width,
581	szHint.height));
582	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	524	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
583	szHint.win_gravity = NorthWestGravity;	525	szHint.win_gravity = NorthWestGravity;
584	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	526	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
585		527
586	recalc_x = recalc_y = 0;	528	recalc_x = recalc_y = 0;
587	flags = 0;	529	flags = 0;
		530
588	if (!parsed_geometry)	531	if (!parsed_geometry)
589	{	532	{
590	parsed_geometry = 1;	533	parsed_geometry = 1;
		534
591	if (rs[Rs_geometry])	535	if (rs[Rs_geometry])
592	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	536	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		537
593	if (flags & WidthValue)	538	if (flags & WidthValue)
594	{	539	{
595	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	540	if (!w)
		541	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		542
		543	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
596	szHint.flags |= USSize;	544	szHint.flags |= USSize;
597	}	545	}
		546
598	if (flags & HeightValue)	547	if (flags & HeightValue)
599	{	548	{
600	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	549	if (!h)
		550	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		551
		552	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
601	szHint.flags |= USSize;	553	szHint.flags |= USSize;
602	}	554	}
		555
603	if (flags & XValue)	556	if (flags & XValue)
604	{	557	{
605	szHint.x = x;	558	szHint.x = x;
606	szHint.flags |= USPosition;	559	szHint.flags |= USPosition;
		560
607	if (flags & XNegative)	561	if (flags & XNegative)
608	{	562	{
609	recalc_x = 1;	563	recalc_x = 1;
610	szHint.win_gravity = NorthEastGravity;	564	szHint.win_gravity = NorthEastGravity;
611	}	565	}
612	}	566	}
		567
613	if (flags & YValue)	568	if (flags & YValue)
614	{	569	{
615	szHint.y = y;	570	szHint.y = y;
616	szHint.flags |= USPosition;	571	szHint.flags |= USPosition;
		572
617	if (flags & YNegative)	573	if (flags & YNegative)
618	{	574	{
619	recalc_y = 1;	575	recalc_y = 1;
		576
620	if (szHint.win_gravity == NorthEastGravity)	577	if (szHint.win_gravity == NorthEastGravity)
621	szHint.win_gravity = SouthEastGravity;	578	szHint.win_gravity = SouthEastGravity;
622	else	579	else
623	szHint.win_gravity = SouthWestGravity;	580	szHint.win_gravity = SouthWestGravity;
624	}	581	}
625	}	582	}
626	}	583	}
		584
627	/* TODO: BOUNDS */	585	/* TODO: BOUNDS */
628	TermWin.width = TermWin.ncol * TermWin.fwidth;	586	width = ncol * fwidth;
629	TermWin.height = TermWin.nrow * TermWin.fheight;	587	height = nrow * fheight;
630	max_width = MAX_COLS * TermWin.fwidth;	588	max_width = MAX_COLS * fwidth;
631	max_height = MAX_ROWS * TermWin.fheight;	589	max_height = MAX_ROWS * fheight;
632		590
633	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	591	szHint.base_width = szHint.base_height = 2 * int_bwidth;
634		592
635	sb_w = mb_h = 0;
636	window_vt_x = window_vt_y = 0;	593	window_vt_x = window_vt_y = int_bwidth;
637	if (scrollbar_visible ())	594
		595	if (scrollBar.state)
638	{	596	{
639	sb_w = scrollbar_TotalWidth ();	597	int sb_w = scrollBar.total_width ();
640	szHint.base_width += sb_w;	598	szHint.base_width += sb_w;
		599
641	if (! (Options & Opt_scrollBar_right))	600	if (!option (Opt_scrollBar_right))
642	window_vt_x = sb_w;	601	window_vt_x += sb_w;
643	}
644	if (menubar_visible ())
645	{	602	}
646	mb_h = menuBar_TotalHeight ();	603
647	szHint.base_height += mb_h;
648	window_vt_y = mb_h;
649	}
650	szHint.width_inc = TermWin.fwidth;	604	szHint.width_inc = fwidth;
651	szHint.height_inc = TermWin.fheight;	605	szHint.height_inc = fheight;
652	szHint.min_width = szHint.base_width + szHint.width_inc;	606	szHint.min_width = szHint.base_width + szHint.width_inc;
653	szHint.min_height = szHint.base_height + szHint.height_inc;	607	szHint.min_height = szHint.base_height + szHint.height_inc;
654		608
655	if (width && width - szHint.base_width < max_width)	609	if (newwidth && newwidth - szHint.base_width < max_width)
656	{	610	{
657	szHint.width = width;	611	szHint.width = newwidth;
658	TermWin.width = width - szHint.base_width;	612	width = newwidth - szHint.base_width;
659	}	613	}
660	else	614	else
661	{	615	{
662	MIN_IT (TermWin.width, max_width);	616	min_it (width, max_width);
663	szHint.width = szHint.base_width + TermWin.width;	617	szHint.width = szHint.base_width + width;
664	}	618	}
		619
665	if (height && height - szHint.base_height < max_height)	620	if (newheight && newheight - szHint.base_height < max_height)
666	{	621	{
667	szHint.height = height;	622	szHint.height = newheight;
668	TermWin.height = height - szHint.base_height;	623	height = newheight - szHint.base_height;
669	}	624	}
670	else	625	else
671	{	626	{
672	MIN_IT (TermWin.height, max_height);	627	min_it (height, max_height);
673	szHint.height = szHint.base_height + TermWin.height;	628	szHint.height = szHint.base_height + height;
674	}	629	}
675	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
676	window_sb_x = szHint.width - sb_w;
677		630
678	if (recalc_x)	631	if (recalc_x)
679	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	632	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
680	- szHint.width - 2 * TermWin.ext_bwidth);	633
681	if (recalc_y)	634	if (recalc_y)
682	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	635	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
683	- szHint.height - 2 * TermWin.ext_bwidth);
684		636
685	TermWin.ncol = TermWin.width / TermWin.fwidth;	637	ncol = width / fwidth;
686	TermWin.nrow = TermWin.height / TermWin.fheight;	638	nrow = height / fheight;
687	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
688	TermWin.ncol, TermWin.nrow, szHint.width,
689	szHint.height));
690	return;
691	}	639	}
692		640
693	/*----------------------------------------------------------------------*/	641	/*----------------------------------------------------------------------*/
694	/*	642	/*
695	* Tell the teletype handler what size the window is.	643	* Tell the teletype handler what size the window is.
696	* Called after a window size change.	644	* Called after a window size change.
697	*/	645	*/
698	void	646	void
699	rxvt_term::tt_winch ()	647	rxvt_term::tt_winch ()
700	{	648	{
		649	if (pty->pty < 0)
		650	return;
		651
701	struct winsize ws;	652	struct winsize ws;
702		653
703	if (cmd_fd < 0)
704	return;
705
706	ws.ws_col = TermWin.ncol;	654	ws.ws_col = ncol;
707	ws.ws_row = TermWin.nrow;	655	ws.ws_row = nrow;
708	ws.ws_xpixel = ws.ws_ypixel = 0;	656	ws.ws_xpixel = width;
709	#ifndef DEBUG_SIZE	657	ws.ws_ypixel = height;
710	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	658	ioctl (pty->pty, TIOCSWINSZ, &ws);
711	#else	659
712	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	660	#if 0
713	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	661	// TIOCSWINSZ is supposed to do this automatically and correctly
714	# ifdef SIGWINCH
715	else if (cmd_pid) /* force through to the command */	662	if (cmd_pid) /* force through to the command */
716	kill (cmd_pid, SIGWINCH);	663	kill (-cmd_pid, SIGWINCH);
717	# endif
718	#endif	664	#endif
719	}	665	}
720		666
721	/*----------------------------------------------------------------------*/	667	/*----------------------------------------------------------------------*/
722	/* rxvt_change_font () - Switch to a new font */	668	/* set_fonts () - load and set the various fonts
723	/*	669	*
724	* init = 1 - initialize	670	* init = 1 - initialize
725	*	671	*
726	* fontname == FONT_UP - switch to bigger font	672	* fontname == FONT_UP - switch to bigger font
727	* fontname == FONT_DN - switch to smaller font	673	* fontname == FONT_DN - switch to smaller font
728	*/	674	*/
729	bool	675	bool
730	rxvt_term::change_font (const char *fontname)	676	rxvt_term::set_fonts ()
731	{	677	{
732	if (fontname == FONT_UP)
733	{
734	// TODO
735	}
736	else if (fontname == FONT_DN)
737	{
738	// TODO
739	}
740	else
741	{
742	rxvt_fontset *fs = new rxvt_fontset (this);	678	rxvt_fontset *fs = new rxvt_fontset (this);
		679	rxvt_fontprop prop;
743		680
744	if (fs && fs->populate (fontname))	681	if (!fs
		682	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		683	|| !fs->realize_font (1))
		684	{
		685	delete fs;
		686	return false;
		687	}
		688
		689	#if ENABLE_STYLES
		690	for (int i = RS_styleCount; --i; )
		691	if (fontset[i] != fontset[0])
		692	delete fontset[i];
		693	#endif
		694
		695	delete fontset[0];
		696	fontset[0] = fs;
		697
		698	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		699	prop.height += lineSpace;
		700	prop.width += letterSpace;
		701
		702	fs->set_prop (prop, false);
		703
		704	fwidth = prop.width;
		705	fheight = prop.height;
		706	fbase = prop.ascent;
		707
		708	for (int style = 1; style < 4; style++)
		709	{
		710	#if ENABLE_STYLES
		711	const char *res = rs[Rs_font + style];
		712
		713	if (res && !*res)
		714	fontset[style] = fontset[0];
		715	else
745	{	716	{
746	delete TermWin.fontset;	717	fontset[style] = fs = new rxvt_fontset (this);
747	TermWin.fontset = fs;	718	rxvt_fontprop prop2 = prop;
748	TermWin.fwidth = fs->base_font ()->width;
749	TermWin.fheight = fs->base_font ()->height;
750	TermWin.fbase = fs->base_font ()->ascent;
751		719
752	// TODO: screen needs to be told about new fonts	720	if (res)
753
754	if (TermWin.parent[0])
755	{	721	{
756	resize_all_windows (0, 0, 0);	722	fs->populate (res);
757	scr_remap_chars ();	723	fs->set_prop (prop2, false);
758	scr_touch (true);
759	}	724	}
		725	else
		726	{
		727	fs->populate (fontset[0]->fontdesc);
760		728
761	return true;	729	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		730	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		731
		732	fs->set_prop (prop2, true);
		733	}
		734
762	}	735	}
		736	#else
		737	fontset[style] = fontset[0];
		738	#endif
		739	}
		740
		741	if (parent[0])
763	}	742	{
		743	resize_all_windows (0, 0, 0);
		744	scr_remap_chars ();
		745	scr_touch (true);
		746	}
764		747
765	return false;	748	return true;
766	}	749	}
767		750
768	bool	751	void
769	rxvt_term::font_up_down (int n, int direction)	752	rxvt_term::set_string_property (Atom prop, const char *str, int len)
770	{	753	{
771	return false;	754	XChangeProperty (dpy, parent[0],
		755	prop, XA_STRING, 8, PropModeReplace,
		756	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		757	}
		758
		759	void
		760	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		761	{
		762	XTextProperty ct;
		763
		764	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		765	{
		766	XSetTextProperty (dpy, parent[0], &ct, prop);
		767	XFree (ct.value);
		768	}
		769	}
		770
		771	void
		772	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		773	{
		774	wchar_t *ws = rxvt_mbstowcs (str, len);
		775	char *s = rxvt_wcstoutf8 (ws);
		776
		777	XChangeProperty (dpy, parent[0],
		778	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		779	(const unsigned char *)s, strlen (s));
		780
		781	free (s);
		782	free (ws);
772	}	783	}
773		784
774	/*----------------------------------------------------------------------*/	785	/*----------------------------------------------------------------------*/
775	/*----------------------------------------------------------------------*/	786	/*----------------------------------------------------------------------*/
776	/* xterm sequences - title, iconName, color (exptl) */	787	/* xterm sequences - title, iconName, color (exptl) */
777	void	788	void
778	rxvt_term::set_title (const char *str)	789	rxvt_term::set_title (const char *str)
779	{	790	{
780	#ifndef SMART_WINDOW_TITLE	791	set_mbstring_property (XA_WM_NAME, str);
781	XStoreName (display->display, TermWin.parent[0], str);	792	#if ENABLE_EWMH
782	#else	793	set_utf8_property (xa[XA_NET_WM_NAME], str);
783	char *name;
784
785	if (XFetchName (display->display, TermWin.parent[0], &name) == 0)
786	name = NULL;
787	if (name == NULL || STRCMP (name, str))
788	XStoreName (display->display, TermWin.parent[0], str);
789	if (name)
790	XFree (name);
791	#endif	794	#endif
792	}	795	}
793		796
794	void	797	void
795	rxvt_term::set_iconName (const char *str)	798	rxvt_term::set_icon_name (const char *str)
796	{	799	{
797	#ifndef SMART_WINDOW_TITLE	800	set_mbstring_property (XA_WM_ICON_NAME, str);
798	XSetIconName (display->display, TermWin.parent[0], str);	801	#if ENABLE_EWMH
799	#else	802	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
800	char *name;
801
802	if (XGetIconName (display->display, TermWin.parent[0], &name))
803	name = NULL;
804	if (name == NULL || STRCMP (name, str))
805	XSetIconName (display->display, TermWin.parent[0], str);
806	if (name)
807	XFree (name);
808	#endif	803	#endif
809	}	804	}
810		805
		806	void
		807	rxvt_term::set_window_color (int idx, const char *color)
		808	{
811	#ifdef XTERM_COLOR_CHANGE	809	#ifdef XTERM_COLOR_CHANGE
812	void
813	rxvt_term::set_window_color (int idx, const char *color)
814	{
815	rxvt_color xcol;	810	rxvt_color xcol;
816	int i;
817		811
818	if (color == NULL || *color == '\0')	812	if (color == NULL || *color == '\0')
819	return;	813	return;
820		814
		815	color = strdup (color);
		816	allocated.push_back ((void *)color);
		817	rs[Rs_color + idx] = color;
		818
821	/* handle color aliases */	819	/* handle color aliases */
822	if (isdigit (*color))	820	if (isdigit (*color))
823	{	821	{
824	i = atoi (color);	822	int i = atoi (color);
		823
825	if (i >= 8 && i <= 15)	824	if (i >= 8 && i <= 15)
		825	{
826	{ /* bright colors */	826	/* bright colors */
827	i -= 8;
828	# ifndef NO_BRIGHTCOLOR
829	PixColors[idx] = PixColors[minBrightCOLOR + i];	827	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
830	SET_PIXCOLOR (idx);
831	goto Done;	828	goto done;
832	# endif
833
834	}	829	}
		830
835	if (i >= 0 && i <= 7)	831	if (i >= 0 && i <= 7)
		832	{
836	{ /* normal colors */	833	/* normal colors */
837	PixColors[idx] = PixColors[minCOLOR + i];	834	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
838	SET_PIXCOLOR (idx);
839	goto Done;	835	goto done;
840	}	836	}
841	}	837	}
842	if (!rXParseAllocColor (& xcol, color))	838
843	return;	839	set_color (xcol, color);
844	/* XStoreColor (display->display, XCMAP, XColor*); */
845		840
846	/*	841	/*
847	* FIXME: should free colors here, but no idea how to do it so instead,	842	* FIXME: should free colors here, but no idea how to do it so instead,
848	* so just keep gobbling up the colormap	843	* so just keep gobbling up the colormap
849	*/	844	*/
850	# if 0
851	for (i = Color_Black; i <= Color_White; i++)
852	if (PixColors[idx] == PixColors[i])
853	break;
854	if (i > Color_White)
855	{
856	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
857	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,
858	DisplayPlanes (display->display, display->screen));
859	}
860	# endif
861		845
862	PixColors[idx] = xcol;	846	pix_colors_focused[idx] = xcol;
863	SET_PIXCOLOR (idx);
864		847
865	/* XSetWindowAttributes attr; */
866	/* Cursor cursor; */
867	Done:	848	done:
868	if (idx == Color_bg && ! (Options & Opt_transparent))
869	XSetWindowBackground (display->display, TermWin.vt,
870	PixColors[Color_bg]);
871
872	/* handle Color_BD, scrollbar background, etc. */	849	/*TODO: handle Color_BD, scrollbar background, etc. */
873		850
874	set_colorfgbg ();	851	update_fade_color (idx);
875	recolour_cursor ();	852	recolour_cursor ();
876	/* the only reasonable way to enforce a clean update */	853	scr_recolour ();
877	scr_poweron ();	854	#endif /* XTERM_COLOR_CHANGE */
878	}	855	}
879
880	#else
881	# define set_window_color (idx,color) ((void)0)
882	#endif /* XTERM_COLOR_CHANGE */
883		856
884	void	857	void
885	rxvt_term::recolour_cursor ()	858	rxvt_term::recolour_cursor ()
886	{	859	{
887	#if TODO	860	XColor fg, bg;
888	rxvt_color xcol[2];
889		861
890	xcol[0] = PixColors[Color_pointer];	862	(ISSET_PIXCOLOR (Color_pointer_fg)
891	xcol[1] = PixColors[Color_bg];	863	? pix_colors_focused[Color_pointer_fg]
892	XQueryColors (display->display, XCMAP, xcol, 2);	864	: pix_colors_focused[Color_fg]).get (fg);
893	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	865
894	#endif	866	(ISSET_PIXCOLOR (Color_pointer_bg)
		867	? pix_colors_focused[Color_pointer_bg]
		868	: pix_colors_focused[Color_bg]).get (bg);
		869
		870	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
895	}	871	}
896		872
897	/*----------------------------------------------------------------------*/	873	/*----------------------------------------------------------------------*/
898	/*	874	/*
899	* find if fg/bg matches any of the normal (low-intensity) colors	875	* find if fg/bg matches any of the normal (low-intensity) colors
900	*/	876	*/
901	void	877	void
902	rxvt_term::set_colorfgbg ()	878	rxvt_term::set_colorfgbg ()
903	{	879	{
904	unsigned int i;	880	unsigned int i;
905	const char *xpmb = "\0";	881	const char *xpmb = "";
906	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	882	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
907		883
908	env_colorfgbg =
909	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
910	STRCPY (fstr, "default");	884	strcpy (fstr, "default");
911	STRCPY (bstr, "default");	885	strcpy (bstr, "default");
912	for (i = Color_Black; i <= Color_White; i++)	886	for (i = Color_Black; i <= Color_White; i++)
913	if (PixColors[Color_fg] == PixColors[i])	887	if (pix_colors[Color_fg] == pix_colors[i])
914	{	888	{
915	sprintf (fstr, "%d", (i - Color_Black));	889	sprintf (fstr, "%d", (i - Color_Black));
916	break;	890	break;
917	}	891	}
		892
918	for (i = Color_Black; i <= Color_White; i++)	893	for (i = Color_Black; i <= Color_White; i++)
919	if (PixColors[Color_bg] == PixColors[i])	894	if (pix_colors[Color_bg] == pix_colors[i])
920	{	895	{
921	sprintf (bstr, "%d", (i - Color_Black));	896	sprintf (bstr, "%d", (i - Color_Black));
922	#ifdef XPM_BACKGROUND	897	#ifdef BG_IMAGE_FROM_FILE
923	xpmb = "default;";	898	xpmb = "default;";
924	#endif	899	#endif
925	break;	900	break;
926	}	901	}
927		902
928	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	903	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
929
930	#ifndef NO_BRIGHTCOLOR
931	colorfgbg = DEFAULT_RSTYLE;
932	for (i = minCOLOR; i <= maxCOLOR; i++)
933	{
934	if (PixColors[Color_fg] == PixColors[i])
935	colorfgbg = SET_FGCOLOR (colorfgbg, i);
936	if (PixColors[Color_bg] == PixColors[i])
937	colorfgbg = SET_BGCOLOR (colorfgbg, i);
938	}
939	#endif
940	}	904	}
941		905
942	/*----------------------------------------------------------------------*/	906	/*----------------------------------------------------------------------*/
943	/*
944	* Colour determination for low colour displays, routine from
945	* Hans de Goede <hans@highrise.nl>
946	*/
947		907
948	int	908	bool
949	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	909	rxvt_term::set_color (rxvt_color &color, const char *name)
950	{	910	{
951	if (!screen_in_out->set (display, colour))	911	if (color.set (this, name))
952	{
953	rxvt_print_error ("can't allocate colour: %s", colour);
954	return false;
955	}
956
957	return true;	912	return true;
		913
		914	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		915	return false;
		916	}
		917
		918	void
		919	rxvt_term::alias_color (int dst, int src)
		920	{
		921	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
958	}	922	}
959		923
960	/* -------------------------------------------------------------------- *	924	/* -------------------------------------------------------------------- *
961	* - WINDOW RESIZING - *	925	* - WINDOW RESIZING - *
962	* -------------------------------------------------------------------- */	926	* -------------------------------------------------------------------- */
963	void	927	void
964	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	928	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
965	{	929	{
966	int fix_screen;	930	int fix_screen;
		931	int old_width = szHint.width;
		932	int old_height = szHint.height;
967		933
968	#ifdef SMART_RESIZE
969	int old_width = szHint.width, old_height = szHint.height;
970	#endif
971
972	window_calc (width, height);	934	window_calc (newwidth, newheight);
		935
		936	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		937
		938	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		939	if (set_hint)
		940	{
		941	szHint.flags &= ~(PBaseSize | PResizeInc);
973	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	942	XSetWMNormalHints (dpy, parent[0], &szHint);
		943	szHint.flags |= PBaseSize | PResizeInc;
		944	}
		945
974	if (!ignoreparent)	946	if (!ignoreparent)
975	{	947	{
976	#ifdef SMART_RESIZE	948	#ifdef SMART_RESIZE
977	/*	949	/*
978	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	950	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
981	int x, y, x1, y1;	953	int x, y, x1, y1;
982	int dx, dy;	954	int dx, dy;
983	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	955	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
984	Window unused_cr;	956	Window unused_cr;
985		957
986	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	958	XTranslateCoordinates (dpy, parent[0], display->root,
987	0, 0, &x, &y, &unused_cr);	959	0, 0, &x, &y, &unused_cr);
988	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	960	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
989	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	961	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
990	/*	962	/*
991	* if display->root isn't the parent window, a WM will probably have offset	963	* if display->root isn't the parent window, a WM will probably have offset
992	* our position for handles and decorations. Counter it	964	* our position for handles and decorations. Counter it
993	*/	965	*/
…		…
995	{	967	{
996	x -= x1;	968	x -= x1;
997	y -= y1;	969	y -= y1;
998	}	970	}
999		971
1000	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	972	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1001	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	973	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1002	dx = old_width - szHint.width;	974	dx = old_width - szHint.width;
1003	dy = old_height - szHint.height;	975	dy = old_height - szHint.height;
1004		976
1005	/* Check position of the center of the window */	977	/* Check position of the center of the window */
1006	if (x < x1) /* left half */	978	if (x < x1) /* left half */
1007	dx = 0;	979	dx = 0;
…		…
1010	if (y < y1) /* top half */	982	if (y < y1) /* top half */
1011	dy = 0;	983	dy = 0;
1012	else if (y == y1) /* exact center */	984	else if (y == y1) /* exact center */
1013	dy /= 2;	985	dy /= 2;
1014		986
1015	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	987	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
1016	szHint.width, szHint.height);	988	szHint.width, szHint.height);
1017	#else	989	#else
1018	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	990	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
1019	szHint.height);
1020	#endif	991	#endif
1021
1022	}	992	}
1023		993
1024	fix_screen = (TermWin.ncol != prev_ncol	994	if (set_hint)
1025	|| TermWin.nrow != prev_nrow);	995	XSetWMNormalHints (dpy, parent[0], &szHint);
1026		996
		997	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		998
1027	if (fix_screen || width != old_width || height != old_height)	999	if (fix_screen || newwidth != old_width || newheight != old_height)
1028	{	1000	{
1029	if (scrollbar_visible ())	1001	if (scrollBar.state)
1030	{	1002	scrollBar.resize ();
1031	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
1032	0, scrollbar_TotalWidth (), szHint.height);
1033	resize_scrollbar ();
1034	}
1035		1003
1036	if (menubar_visible ())	1004	XMoveResizeWindow (dpy, vt,
1037	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	1005	window_vt_x, window_vt_y,
1038	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
1039
1040	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
1041	window_vt_y, TermWin_TotalWidth (),
1042	TermWin_TotalHeight ());	1006	width, height);
1043	scr_clear ();
1044	#ifdef XPM_BACKGROUND
1045	resize_pixmap ();
1046	#endif
1047		1007
		1008	#ifdef HAVE_BG_PIXMAP
		1009	if (bgPixmap.window_size_sensitive ())
		1010	update_background ();
		1011	#endif
1048	}	1012	}
1049		1013
1050	if (fix_screen || old_height == 0)	1014	if (fix_screen || old_height == 0)
1051	{
1052	int curr_screen = -1;
1053	int old_ncol = prev_ncol;
1054
1055	/* scr_reset only works on the primary screen */
1056	if (old_height) /* this is not the first time through */
1057	{
1058	unsigned int ncol = TermWin.ncol;
1059	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1060	curr_screen = scr_change_screen (PRIMARY);
1061	TermWin.ncol = ncol;
1062	}
1063
1064	scr_reset ();	1015	scr_reset ();
1065		1016
1066	if (curr_screen >= 0) /* this is not the first time through */	1017	#ifdef HAVE_BG_PIXMAP
1067	{	1018	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
1068	scr_change_screen (curr_screen);	1019	// if (bgPixmap.pixmap)
1069	selection_check (old_ncol != TermWin.ncol ? 4 : 0);	1020	// scr_touch (false);
1070	}	1021	#endif
1071	}
1072
1073	old_width = szHint.width;
1074	old_height = szHint.height;
1075		1022
1076	#ifdef USE_XIM	1023	#ifdef USE_XIM
1077	IMSetStatusPosition ();	1024	IMSetPosition ();
1078	#endif	1025	#endif
1079	}	1026	}
1080		1027
1081	/*	1028	/*
1082	* Set the width/height of the vt window in characters. Units are pixels.	1029	* Set the width/height of the vt window in characters. Units are pixels.
1083	* good for toggling 80/132 columns	1030	* good for toggling 80/132 columns
1084	*/	1031	*/
1085	void	1032	void
1086	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1033	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1087	{	1034	{
1088	XWindowAttributes wattr;	1035	XWindowAttributes wattr;
1089		1036
1090	if (width == 0 || height == 0)	1037	if (newwidth == 0 || newheight == 0)
1091	{	1038	{
1092	XGetWindowAttributes (display->display, display->root, &wattr);	1039	XGetWindowAttributes (dpy, display->root, &wattr);
		1040
1093	if (width == 0)	1041	if (newwidth == 0)
1094	width = wattr.width - szHint.base_width;	1042	newwidth = wattr.width - szHint.base_width;
1095	if (height == 0)	1043	if (newheight == 0)
1096	height = wattr.height - szHint.base_height;	1044	newheight = wattr.height - szHint.base_height;
1097	}
1098	if (width != TermWin.width || height != TermWin.height)
1099	{	1045	}
		1046
		1047	if (newwidth != width || newheight != height)
		1048	{
1100	width += szHint.base_width;	1049	newwidth += szHint.base_width;
1101	height += szHint.base_height;	1050	newheight += szHint.base_height;
1102	resize_all_windows (width, height, 0);	1051	resize_all_windows (newwidth, newheight, 0);
1103	}	1052	}
1104	}	1053	}
1105		1054
1106	/* -------------------------------------------------------------------- *	1055	/* -------------------------------------------------------------------- *
1107	* - X INPUT METHOD ROUTINES - *	1056	* - X INPUT METHOD ROUTINES - *
1108	* -------------------------------------------------------------------- */	1057	* -------------------------------------------------------------------- */
1109	#ifdef USE_XIM	1058	#ifdef USE_XIM
1110		1059
1111	void	1060	void
		1061	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1062	{
		1063	fg = pix_colors [Color_fg];
		1064	bg = pix_colors [Color_bg];
		1065	}
		1066
		1067	void
1112	rxvt_term::im_set_size (XRectangle *size)	1068	rxvt_term::im_set_size (XRectangle &size)
1113	{	1069	{
1114	size->x = TermWin.int_bwidth;	1070	// the int_bwidth terms make no sense to me
1115	size->y = TermWin.int_bwidth;	1071	size.x = int_bwidth;
1116	size->width = Width2Pixel (TermWin.ncol);	1072	size.y = int_bwidth;
1117	size->height = Height2Pixel (TermWin.nrow);	1073	size.width = Width2Pixel (ncol) + int_bwidth;
		1074	size.height = Height2Pixel (nrow) + int_bwidth;
1118	}	1075	}
1119		1076
1120	void	1077	void
1121	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1078	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1079	XRectangle &status_rect,
		1080	const XRectangle &needed_rect)
1122	{	1081	{
1123	*fg = PixColors[Color_fg];	1082	preedit_rect.x = needed_rect.width;
1124	*bg = PixColors[Color_bg];	1083	preedit_rect.y = 0;
		1084	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1085	preedit_rect.height = fheight;
		1086
		1087	status_rect.x = 0;
		1088	status_rect.y = 0;
		1089	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1090	status_rect.height = fheight;
1125	}	1091	}
1126		1092
1127	/* Checking whether input method is running. */	1093	/* Checking whether input method is running. */
1128	bool	1094	bool
1129	rxvt_term::IMisRunning ()	1095	rxvt_term::IMisRunning ()
1130	{	1096	{
1131	char *p;	1097	Atom atom;
1132	Atom atom;	1098	Window win;
1133	Window win;
1134	char server[IMBUFSIZ];	1099	char server[IMBUFSIZ];
1135		1100
1136	/* get current locale modifier */	1101	/* get current locale modifier */
1137	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1102	if (char *p = XSetLocaleModifiers (0))
1138	{	1103	{
1139	STRCPY (server, "@server=");	1104	strcpy (server, "@server=");
1140	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1105	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1106
1141	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1107	if (p = strchr (server + 1, '@')) /* first one only */
1142	*p = '\0';	1108	*p = '\0';
1143		1109
1144	atom = XInternAtom (display->display, server, False);	1110	atom = XInternAtom (dpy, server, False);
1145	win = XGetSelectionOwner (display->display, atom);	1111	win = XGetSelectionOwner (dpy, atom);
		1112
1146	if (win != None)	1113	if (win != None)
1147	return True;	1114	return True;
1148	}	1115	}
		1116
1149	return False;	1117	return False;
1150	}	1118	}
1151		1119
1152	void	1120	void
1153	rxvt_term::IMSendSpot ()	1121	rxvt_term::IMSendSpot ()
1154	{	1122	{
1155	XPoint spot;	1123	XPoint nspot;
1156	XVaNestedList preedit_attr;	1124	XVaNestedList preedit_attr;
1157		1125
1158	if (Input_Context == NULL	1126	if (!Input_Context
1159	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1127	|| !focus
1160	|| ! (event_type == KeyPress	1128	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1161	|| event_type == Expose
1162	|| event_type == NoExpose
1163	|| event_type == SelectionNotify
1164	|| event_type == ButtonRelease || event_type == FocusIn)
1165	|| !IMisRunning ())
1166	return;	1129	return;
1167		1130
1168	im_set_position (&spot);	1131	im_set_position (nspot);
		1132
		1133	if (nspot.x == spot.x && nspot.y == spot.y)
		1134	return;
		1135
		1136	spot = nspot;
1169		1137
1170	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1138	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1171	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1139	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1172	XFree (preedit_attr);	1140	XFree (preedit_attr);
1173	}	1141	}
1174		1142
1175	void	1143	void
1176	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1177	XRectangle * needed_rect)
1178	{
1179	int mbh, vtx = 0;
1180
1181	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1182	vtx = scrollbar_TotalWidth ();
1183
1184	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1185	mbh -= TermWin.lineSpace;
1186
1187	preedit_rect->x = needed_rect->width + vtx;
1188	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1189
1190	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1191	preedit_rect->height = Height2Pixel (1);
1192
1193	status_rect->x = vtx;
1194	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1195
1196	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1197	status_rect->height = Height2Pixel (1);
1198	}
1199
1200	void
1201	rxvt_term::im_destroy ()	1144	rxvt_term::im_destroy ()
1202	{	1145	{
1203	if (Input_Context)
1204	{
1205	XDestroyIC (Input_Context);
1206	Input_Context = NULL;
1207	}
1208
1209	if (input_method)	1146	if (input_method)
1210	{	1147	{
		1148	if (Input_Context && input_method->xim)
		1149	XDestroyIC (Input_Context);
		1150
1211	display->put_xim (input_method);	1151	display->put_xim (input_method);
1212	input_method = 0;	1152	input_method = 0;
1213	}	1153	}
		1154
		1155	Input_Context = 0;
1214	}	1156	}
		1157
		1158	#ifdef ENABLE_XIM_ONTHESPOT
		1159
		1160	static void
		1161	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1162	{
		1163	((rxvt_term *)client_data)->make_current ();
		1164	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1165	}
		1166
		1167	static void
		1168	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1169	{
		1170	((rxvt_term *)client_data)->make_current ();
		1171	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1172	}
		1173
		1174	static void
		1175	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1176	{
		1177	rxvt_term *term = (rxvt_term *)client_data;
		1178	XIMText *text = call_data->text;
		1179
		1180	term->make_current ();
		1181
		1182	if (text)
		1183	{
		1184	wchar_t *str;
		1185
		1186	if (!text->encoding_is_wchar && text->string.multi_byte)
		1187	{
		1188	// of course, X makes it ugly again
		1189	if (term->rs[Rs_imLocale])
		1190	SET_LOCALE (term->rs[Rs_imLocale]);
		1191
		1192	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1193	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1194
		1195	if (term->rs[Rs_imLocale])
		1196	SET_LOCALE (term->locale);
		1197	}
		1198	else
		1199	str = text->string.wide_char;
		1200
		1201	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1202	DT_INT, call_data->caret,
		1203	DT_INT, call_data->chg_first,
		1204	DT_INT, call_data->chg_length,
		1205	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1206	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1207	DT_END));
		1208	}
		1209	else
		1210	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1211	DT_INT, call_data->caret,
		1212	DT_INT, call_data->chg_first,
		1213	DT_INT, call_data->chg_length,
		1214	DT_END));
		1215	}
		1216
		1217	#if 0
		1218	static void
		1219	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1220	{
		1221	((rxvt_term *)client_data)->make_current ();
		1222	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1223	DT_INT, call_data->position,
		1224	DT_INT, call_data->direction,
		1225	DT_INT, call_data->style,
		1226	DT_END));
		1227	}
		1228	#endif
		1229
		1230	#endif
1215		1231
1216	/*	1232	/*
1217	* Try to open a XIM with the current modifiers, then see if we can	1233	* Try to open a XIM with the current modifiers, then see if we can
1218	* open a suitable preedit type	1234	* open a suitable preedit type
1219	*/	1235	*/
1220	bool	1236	bool
1221	rxvt_term::IM_get_IC (const char *modifiers)	1237	rxvt_term::IM_get_IC (const char *modifiers)
1222	{	1238	{
1223	int i, j, found;	1239	int i, j, found;
1224	XIM xim;	1240	XIM xim;
1225	XPoint spot;	1241	XPoint spot;
1226	XRectangle rect, status_rect, needed_rect;	1242	XRectangle rect, status_rect, needed_rect;
1227	unsigned long fg, bg;	1243	unsigned long fg, bg;
1228	const char *p;	1244	const char *p;
1229	char **s;	1245	char **s;
1230	XIMStyles *xim_styles;	1246	XIMStyles *xim_styles;
1231	XVaNestedList preedit_attr, status_attr;	1247	#ifdef ENABLE_XIM_ONTHESPOT
		1248	XIMCallback xcb[4];
		1249	#endif
		1250
		1251	set_environ (envv);
1232		1252
1233	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1253	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1234	return false;	1254	return false;
1235		1255
1236	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1237	input_method = display->get_xim (locale, modifiers);	1256	input_method = display->get_xim (locale, modifiers);
1238	if (input_method == NULL)	1257	if (input_method == NULL)
1239	return false;	1258	return false;
1240		1259
1241	xim = input_method->xim;	1260	xim = input_method->xim;
		1261	spot.x = spot.y = -1;
1242		1262
1243	xim_styles = NULL;	1263	xim_styles = NULL;
1244	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1264	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1245	|| !xim_styles || !xim_styles->count_styles)	1265	|| !xim_styles || !xim_styles->count_styles)
1246	{	1266	{
1247	display->put_xim (input_method);	1267	im_destroy ();
1248	return false;	1268	return false;
1249	}	1269	}
1250		1270
1251	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1271	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1272
		1273	for (int pi = 0; pi < 2; pi++)
		1274	{
		1275	p = pet[pi];
		1276
		1277	if (!p)
		1278	continue;
		1279
1252	s = rxvt_splitcommastring (p);	1280	s = rxvt_splitcommastring (p);
		1281
1253	for (i = found = 0; !found && s[i]; i++)	1282	for (i = found = 0; !found && s[i]; i++)
1254	{	1283	{
1255	if (!STRCMP (s[i], "OverTheSpot"))	1284	if (!strcmp (s[i], "OverTheSpot"))
1256	input_style = (XIMPreeditPosition | XIMStatusNothing);	1285	input_style = XIMPreeditPosition | XIMStatusNothing;
1257	else if (!STRCMP (s[i], "OffTheSpot"))	1286	else if (!strcmp (s[i], "OffTheSpot"))
1258	input_style = (XIMPreeditArea | XIMStatusArea);	1287	input_style = XIMPreeditArea | XIMStatusArea;
1259	else if (!STRCMP (s[i], "Root"))	1288	else if (!strcmp (s[i], "Root"))
1260	input_style = (XIMPreeditNothing | XIMStatusNothing);	1289	input_style = XIMPreeditNothing | XIMStatusNothing;
		1290	else if (!strcmp (s[i], "None"))
		1291	input_style = XIMPreeditNone | XIMStatusNone;
		1292	#ifdef ENABLE_XIM_ONTHESPOT
		1293	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1294	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1295	#endif
		1296	else
		1297	input_style = XIMPreeditNothing | XIMStatusNothing;
1261		1298
1262	for (j = 0; j < xim_styles->count_styles; j++)	1299	for (j = 0; j < xim_styles->count_styles; j++)
1263	if (input_style == xim_styles->supported_styles[j])	1300	if (input_style == xim_styles->supported_styles[j])
1264	{	1301	{
		1302	rxvt_freecommastring (s);
		1303
1265	found = 1;	1304	found = 1;
1266	break;	1305	goto foundpet;
		1306	}
		1307
1267	}	1308	}
1268	}
1269		1309
1270	for (i = 0; s[i]; i++)	1310	rxvt_freecommastring (s);
1271	free (s[i]);	1311	}
1272		1312
1273	free (s);	1313	foundpet:
		1314
1274	XFree (xim_styles);	1315	XFree (xim_styles);
1275		1316
1276	if (!found)	1317	if (!found)
1277	{	1318	{
1278	display->put_xim (input_method);	1319	im_destroy ();
1279	return false;	1320	return false;
1280	}	1321	}
1281		1322
1282	preedit_attr = status_attr = NULL;	1323	XFontSet fs = 0;
		1324	XVaNestedList preedit_attr = 0, status_attr = 0;
		1325
		1326	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1327	{
		1328	// fake us a font-set, please
		1329	char **missing_charset_list;
		1330	int missing_charset_count;
		1331	char *def_string;
		1332	char pat[512];
		1333
		1334	sprintf (pat,
		1335	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1336	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1337	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1338	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1339	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1340	"*",
		1341	fheight,
		1342	fheight + 1, fheight - 1,
		1343	fheight - 2, fheight + 2);
		1344
		1345	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1346	&missing_charset_list, &missing_charset_count, &def_string);
		1347
		1348	if (missing_charset_list)
		1349	XFreeStringList (missing_charset_list);
		1350
		1351	if (!fs)
		1352	{
		1353	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1354	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1355	}
		1356	}
1283		1357
1284	if (input_style & XIMPreeditPosition)	1358	if (input_style & XIMPreeditPosition)
1285	{	1359	{
1286	im_set_size (&rect);	1360	im_set_size (rect);
1287	im_set_position (&spot);	1361	im_set_position (spot);
1288	im_set_color (&fg, &bg);	1362	im_set_color (fg, bg);
1289		1363
1290	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1364	preedit_attr = XVaCreateNestedList (0,
		1365	XNForeground, fg,
		1366	XNBackground, bg,
		1367	XNArea, &rect,
1291	XNSpotLocation, &spot,	1368	XNSpotLocation, &spot,
1292	XNForeground, fg, XNBackground, bg,
1293	//XNFontSet, TermWin.fontset,	1369	XNFontSet, fs,
1294	NULL);	1370	NULL);
1295	}	1371	}
1296	else if (input_style & XIMPreeditArea)	1372	else if (input_style & XIMPreeditArea)
1297	{	1373	{
1298	im_set_color (&fg, &bg);	1374	im_set_color (fg, bg);
1299		1375
1300	/*	1376	/*
1301	* The necessary width of preedit area is unknown	1377	* The necessary width of preedit area is unknown
1302	* until create input context.	1378	* until create input context.
1303	*/	1379	*/
1304	needed_rect.width = 0;	1380	needed_rect.width = 0;
1305
1306	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1381	im_set_preedit_area (rect, status_rect, needed_rect);
1307		1382
1308	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1383	preedit_attr = XVaCreateNestedList (0,
		1384	XNForeground, fg,
1309	XNForeground, fg, XNBackground, bg,	1385	XNBackground, bg,
		1386	XNArea, &rect,
		1387	XNFontSet, fs,
		1388	NULL);
		1389	status_attr = XVaCreateNestedList (0,
		1390	XNForeground, fg,
		1391	XNBackground, bg,
		1392	XNArea, &status_rect,
1310	//XNFontSet, TermWin.fontset,	1393	XNFontSet, fs,
1311	NULL);	1394	NULL);
1312	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,	1395	}
1313	XNForeground, fg, XNBackground, bg,	1396	#if ENABLE_XIM_ONTHESPOT
1314	//XNFontSet, TermWin.fontset,	1397	else if (input_style & XIMPreeditCallbacks)
		1398	{
		1399	im_set_position (spot);
		1400
		1401	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1402	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1403	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1404	# if 0
		1405	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1406	# endif
		1407
		1408	preedit_attr = XVaCreateNestedList (0,
		1409	XNSpotLocation, &spot,
		1410	XNPreeditStartCallback, &xcb[0],
		1411	XNPreeditDoneCallback , &xcb[1],
		1412	XNPreeditDrawCallback , &xcb[2],
		1413	# if 0
		1414	XNPreeditCaretCallback, &xcb[3],
		1415	# endif
1315	NULL);	1416	NULL);
1316	}	1417	}
		1418	#endif
1317		1419
1318	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1420	Input_Context = XCreateIC (xim,
		1421	XNInputStyle, input_style,
1319	XNClientWindow, TermWin.parent[0],	1422	XNClientWindow, vt,
1320	XNFocusWindow, TermWin.parent[0],	1423	XNFocusWindow, parent[0],
1321	preedit_attr ? XNPreeditAttributes : NULL,	1424	preedit_attr ? XNPreeditAttributes : NULL,
1322	preedit_attr,	1425	preedit_attr,
1323	status_attr ? XNStatusAttributes : NULL,	1426	status_attr ? XNStatusAttributes : NULL,
1324	status_attr, NULL);	1427	status_attr, NULL);
		1428
1325	if (preedit_attr) XFree (preedit_attr);	1429	if (preedit_attr) XFree (preedit_attr);
1326	if (status_attr) XFree (status_attr);	1430	if (status_attr) XFree (status_attr);
		1431	if (fs) XFreeFontSet (dpy, fs);
1327		1432
1328	if (Input_Context == NULL)	1433	if (Input_Context == NULL)
1329	{	1434	{
1330	rxvt_print_error ("failed to create input context");	1435	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1331	display->put_xim (input_method);	1436	im_destroy ();
1332	return false;	1437	return false;
1333	}	1438	}
1334		1439
1335	if (input_style & XIMPreeditArea)	1440	#if 0
		1441	// unfortunately, only the focus window is used by XIM, hard to fix
		1442	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1443	vt_select_input ();
		1444	#endif
		1445
1336	IMSetStatusPosition ();	1446	IMSetPosition ();
1337		1447
1338	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1339	return true;	1448	return true;
1340	}	1449	}
1341		1450
1342	void	1451	void
1343	rxvt_term::im_cb ()	1452	rxvt_term::im_cb ()
1344	{	1453	{
1345	int i, found, had_im;	1454	int i;
1346	const char *p;	1455	const char *p;
1347	char **s;	1456	char **s;
1348	char buf[IMBUFSIZ];	1457	char buf[IMBUFSIZ];
1349		1458
		1459	make_current ();
		1460
1350	im_destroy ();	1461	im_destroy ();
1351		1462
1352	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1353	if (Input_Context)	1463	if (Input_Context)
1354	return;	1464	return;
1355		1465
1356	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1466	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1357	if (rs[Rs_imLocale])	1467	if (rs[Rs_imLocale])
…		…
1362	if (p && *p)	1472	if (p && *p)
1363	{	1473	{
1364	bool found = false;	1474	bool found = false;
1365		1475
1366	s = rxvt_splitcommastring (p);	1476	s = rxvt_splitcommastring (p);
		1477
1367	for (i = 0; s[i]; i++)	1478	for (i = 0; s[i]; i++)
1368	{	1479	{
1369	if (*s[i])	1480	if (*s[i])
1370	{	1481	{
1371	STRCPY (buf, "@im=");	1482	strcpy (buf, "@im=");
1372	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1483	strncat (buf, s[i], IMBUFSIZ - 5);
1373	if (IM_get_IC (buf))	1484	if (IM_get_IC (buf))
1374	{	1485	{
1375	found = true;	1486	found = true;
1376	break;	1487	break;
1377	}	1488	}
1378	}	1489	}
1379	}	1490	}
1380	for (i = 0; s[i]; i++)	1491
1381	free (s[i]);	1492	rxvt_freecommastring (s);
1382	free (s);
1383		1493
1384	if (found)	1494	if (found)
1385	goto done;	1495	goto done;
1386	}	1496	}
1387		1497
…		…
1399	SET_LOCALE (locale);	1509	SET_LOCALE (locale);
1400	#endif	1510	#endif
1401	}	1511	}
1402		1512
1403	void	1513	void
1404	rxvt_term::IMSetStatusPosition ()	1514	rxvt_term::IMSetPosition ()
1405	{	1515	{
1406	XRectangle preedit_rect, status_rect, *needed_rect;	1516	XRectangle preedit_rect, status_rect, *needed_rect;
1407	XVaNestedList preedit_attr, status_attr;	1517	XVaNestedList preedit_attr, status_attr;
1408		1518
1409	if (Input_Context == NULL	1519	if (!Input_Context
1410	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1520	|| !focus
		1521	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1411	|| !IMisRunning ())	1522	|| !IMisRunning ())
1412	return;	1523	return;
1413		1524
		1525	if (input_style & XIMPreeditPosition)
		1526	{
		1527	im_set_size (preedit_rect);
		1528	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1529
		1530	XSetICValues (Input_Context,
		1531	XNPreeditAttributes, preedit_attr, NULL);
		1532	}
		1533	else
		1534	{
1414	/* Getting the necessary width of preedit area */	1535	/* Getting the necessary width of preedit area */
1415	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1536	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1416	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1537	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1417	XFree (status_attr);	1538	XFree (status_attr);
1418		1539
1419	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1540	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1541	XFree (needed_rect);
1420		1542
1421	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1543	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1422	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1544	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1423		1545
1424	XSetICValues (Input_Context,	1546	XSetICValues (Input_Context,
1425	XNPreeditAttributes, preedit_attr,	1547	XNPreeditAttributes, preedit_attr,
1426	XNStatusAttributes, status_attr, NULL);	1548	XNStatusAttributes, status_attr,
		1549	NULL);
1427		1550
		1551	XFree (status_attr);
		1552	}
		1553
1428	XFree (preedit_attr);	1554	XFree (preedit_attr);
1429	XFree (status_attr);
1430	}	1555	}
1431	#endif /* USE_XIM */	1556	#endif /* USE_XIM */
1432		1557
1433	/*----------------------------------------------------------------------*/	1558	void
1434	rxvt_t rxvt_current_term;	1559	rxvt_term::get_window_origin (int &x, int &y)
		1560	{
		1561	Window cr;
		1562	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1563	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1564	}
		1565
		1566	Pixmap
		1567	rxvt_term::get_pixmap_property (int prop_id)
		1568	{
		1569	if (prop_id > 0 && prop_id < NUM_XA)
		1570	if (xa[prop_id])
		1571	{
		1572	int aformat;
		1573	unsigned long nitems, bytes_after;
		1574	Atom atype;
		1575	unsigned char *prop = NULL;
		1576	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1577	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1578	&nitems, &bytes_after, &prop);
		1579	if (result == Success && prop && atype == XA_PIXMAP)
		1580	return *(Pixmap *)prop;
		1581	}
		1582
		1583	return None;
		1584	}
		1585
		1586	#ifdef HAVE_BG_PIXMAP
		1587	# if TRACE_PIXMAPS
		1588	# undef update_background
		1589	void
		1590	rxvt_term::trace_update_background (const char *file, int line)
		1591	{
		1592	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1593	update_background ();
		1594	}
		1595	# endif
		1596
		1597	void
		1598	rxvt_term::update_background ()
		1599	{
		1600	if (update_background_ev.is_active ())
		1601	return;
		1602
		1603	bgPixmap.invalidate ();
		1604
		1605	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1606
		1607	if (to_wait <= 0.)
		1608	bgPixmap.render ();
		1609	else
		1610	update_background_ev.start (to_wait);
		1611	}
		1612
		1613	void
		1614	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1615	{
		1616	make_current ();
		1617
		1618	update_background_ev.stop ();
		1619	bgPixmap.render ();
		1620	refresh_check ();
		1621	}
		1622
		1623	#endif /* HAVE_BG_PIXMAP */
1435		1624
1436	/*----------------------- end-of-file (C source) -----------------------*/	1625	/*----------------------- end-of-file (C source) -----------------------*/

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