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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.33 by pcg, Fri Feb 13 13:28:17 2004 UTC vs.
Revision 1.301 by ayin, Sat Jan 19 13:00:10 2008 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
7	* - original version	7	* - original version
…		…
11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
12	* - extensive modifications	12	* - extensive modifications
13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com>
16	*	17	*
17	* 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
18	* 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
19	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
20	* (at your option) any later version.	21	* (at your option) any later version.
…		…
29	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
31		32
32	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
33	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
34	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
35		37
		38	#include <limits>
		39
36	#include <signal.h>	40	#include <csignal>
37
38	#ifdef TTY_GID_SUPPORT
39	# include <grp.h>
40	#endif
41
42	#ifdef HAVE_TERMIOS_H
43	# include <termios.h>
44	#endif
45
46	#include <cstring>	41	#include <cstring>
47		42
		43	#include <termios.h>
		44
		45	#ifdef HAVE_XSETLOCALE
		46	# define X_LOCALE
		47	# include <X11/Xlocale.h>
		48	#else
		49	# ifdef HAVE_SETLOCALE
		50	# include <clocale>
		51	# endif
		52	#endif
		53
		54	vector<rxvt_term *> rxvt_term::termlist;
		55
		56	// used to tell global functions which terminal instance is "active"
		57	rxvt_t rxvt_current_term;
		58
48	static char curlocale[128];	59	static char curlocale[128], savelocale[128];
49		60
50	void	61	bool
51	rxvt_set_locale (const char *locale)	62	rxvt_set_locale (const char *locale) NOTHROW
52	{	63	{
53	if (locale && STRNCMP (locale, curlocale, 128))	64	int size = strlen (locale) + 1;
54	{	65
55	STRNCPY (curlocale, locale, 128);	66	if (size > sizeof (curlocale))
		67	rxvt_fatal ("locale string too long, aborting.\n");
		68
		69	if (!locale || !memcmp (locale, curlocale, size))
		70	return false;
		71
		72	memcpy (curlocale, locale, size);
56	setlocale (LC_CTYPE, curlocale);	73	setlocale (LC_CTYPE, curlocale);
57	}	74	return true;
58	}	75	}
59		76
60	void *	77	void
61	rxvt_term::operator new (size_t s)	78	rxvt_push_locale (const char *locale) NOTHROW
62	{	79	{
63	void *p = malloc (s);	80	strcpy (savelocale, curlocale);
		81	rxvt_set_locale (locale);
		82	}
64		83
65	MEMSET (p, 0, s);	84	void
		85	rxvt_pop_locale () NOTHROW
		86	{
		87	rxvt_set_locale (savelocale);
		88	}
		89
		90	#if ENABLE_COMBINING
		91	class rxvt_composite_vec rxvt_composite;
		92
		93	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		94	{
		95	compose_char *cc;
		96
		97	// break compose chains, as stupid readline really likes to duplicate
		98	// composing characters for some reason near the end of a line.
		99	cc = (*this)[c1];
		100	while (cc)
		101	{
		102	if (cc->c2 == c2) return c1;
		103	cc = (*this)[cc->c1];
		104	}
		105
		106	// check to see wether this combination already exists otherwise
		107	for (cc = v.end (); cc-- > v.begin (); )
		108	{
		109	if (cc->c1 == c1 && cc->c2 == c2)
		110	return COMPOSE_LO + (cc - v.begin ());
		111	}
		112
		113	// allocate a new combination
		114	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		115	{
		116	static int seen;
		117
		118	if (!seen++)
		119	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		120
		121	return REPLACEMENT_CHAR;
		122	}
		123
		124	v.push_back (compose_char (c1, c2));
		125
		126	return v.size () - 1 + COMPOSE_LO;
		127	}
		128
		129	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		130	{
		131	compose_char *cc = (*this)[c];
		132
		133	if (!cc)
		134	{
		135	if (r) *r = c;
		136	return 1;
		137	}
		138
		139	int len = expand (cc->c1, r);
		140
		141	if (r) r += len;
		142
		143	if (cc->c2 != NOCHAR)
		144	{
		145	len++;
		146	if (r) *r++ = cc->c2;
		147	}
		148
66	return p;	149	return len;
67	}
68		150
69	void
70	rxvt_term::operator delete (void *p, size_t s)
71	{
72	free (p);
73	}	151	}
		152	#endif
74		153
75	rxvt_term::rxvt_term ()	154	rxvt_term::rxvt_term ()
76	:	155	{
77	rootwin_ev (this, &rxvt_term::rootwin_cb),	156	#if HAVE_BG_PIXMAP
78	termwin_ev (this, &rxvt_term::x_cb),	157	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
79	vt_ev (this, &rxvt_term::x_cb),	158	#endif
		159	#ifdef CURSOR_BLINK
		160	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		161	#endif
		162	#ifdef TEXT_BLINK
		163	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		164	#endif
		165	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		166	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		167	#endif
		168	#ifdef SELECTION_SCROLLING
		169	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		170	#endif
		171	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		172	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		173	#endif
		174	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		175	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		176	#endif
80	#ifdef HAVE_SCROLLBARS	177	#ifdef HAVE_SCROLLBARS
81	scrollbar_ev (this, &rxvt_term::x_cb),	178	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
82	#endif	179	#endif
83	#ifdef MENUBAR	180	#ifdef USE_XIM
84	menubar_ev (this, &rxvt_term::x_cb), fixme	181	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
85	#endif
86	#ifdef CURSOR_BLINK
87	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
88	#endif
89	#ifdef TEXT_BLINK
90	text_blink_ev (this, &rxvt_term::text_blink_cb),
91	#endif	182	#endif
92	#ifdef POINTER_BLANK	183	#ifdef POINTER_BLANK
93	pointer_ev (this, &rxvt_term::pointer_cb),	184	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
94	#endif	185	#endif
95	check_ev (this, &rxvt_term::check_cb),	186	#ifndef NO_BELL
96	destroy_ev (this, &rxvt_term::destroy_cb),	187	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
97	pty_ev (this, &rxvt_term::pty_cb),	188	#endif
98	incr_ev (this, &rxvt_term::incr_cb),	189	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		190	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		191	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		192	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		193	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		194	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		195	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		196
		197	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		198
		199	termlist.push_back (this);
		200
		201	#ifdef KEYSYM_RESOURCE
		202	keyboard = new keyboard_manager;
		203	#endif
		204	}
		205
		206	// clean up the most important stuff, do *not* call x or free mem etc.
		207	// for use before an emergency exit
		208	void
		209	rxvt_term::emergency_cleanup ()
		210	{
		211	if (cmd_pid)
		212	kill (-cmd_pid, SIGHUP);
		213
		214	pty_ev.stop ();
		215	delete pty; pty = 0;
		216	}
		217
		218	rxvt_term::~rxvt_term ()
		219	{
		220	termlist.erase (find (termlist.begin (), termlist.end(), this));
		221
		222	emergency_cleanup ();
		223
		224	#if ENABLE_STYLES
		225	for (int i = RS_styleCount; --i; )
		226	if (fontset[i] != fontset[0])
		227	delete fontset[i];
		228	#endif
		229	delete fontset[0];
		230
		231	#ifdef HAVE_BG_PIXMAP
		232	bgPixmap.destroy ();
		233	#endif
		234
		235	if (display)
		236	{
		237	selection_clear ();
		238
99	#ifdef USE_XIM	239	#ifdef USE_XIM
100	im_ev (this, &rxvt_term::im_cb)	240	im_destroy ();
101	#endif	241	#endif
102	{	242	#ifdef XTERM_SCROLLBAR
103	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	243	if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
104	}	244	if (ShadowGC) XFreeGC (dpy, ShadowGC);
		245	#endif
		246	#ifdef PLAIN_SCROLLBAR
		247	if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
		248	#endif
		249	#ifdef NEXT_SCROLLBAR
		250	if (blackGC) XFreeGC (dpy, blackGC);
		251	if (whiteGC) XFreeGC (dpy, whiteGC);
		252	if (grayGC) XFreeGC (dpy, grayGC);
		253	if (darkGC) XFreeGC (dpy, darkGC);
		254	if (stippleGC) XFreeGC (dpy, stippleGC);
		255	if (dimple) XFreePixmap (dpy, dimple);
		256	if (upArrow) XFreePixmap (dpy, upArrow);
		257	if (downArrow) XFreePixmap (dpy, downArrow);
		258	if (upArrowHi) XFreePixmap (dpy, upArrowHi);
		259	if (downArrowHi) XFreePixmap (dpy, downArrowHi);
		260	#endif
		261	#ifdef RXVT_SCROLLBAR
		262	if (topShadowGC) XFreeGC (dpy, topShadowGC);
		263	if (botShadowGC) XFreeGC (dpy, botShadowGC);
		264	if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
		265	#endif
		266	if (gc) XFreeGC (dpy, gc);
105		267
106	rxvt_term::~rxvt_term ()	268	delete drawable;
107	{	269	// destroy all windows
108	if (cmd_fd >= 0)	270	if (parent[0])
109	close (cmd_fd);	271	XDestroyWindow (dpy, parent[0]);
		272
		273	for (int i = 0; i < TOTAL_COLORS; i++)
		274	if (ISSET_PIXCOLOR (i))
		275	{
		276	pix_colors_focused [i].free (this);
		277	#if OFF_FOCUS_FADING
		278	pix_colors_unfocused [i].free (this);
		279	#endif
		280	}
		281
		282	clear ();
		283
		284	display->flush (); /* ideally .put should do this */
		285	displays.put (display);
		286	}
110		287
111	scr_release ();	288	scr_release ();
112		289
113	free (env_windowid);	290	/* clear all resources */
		291	for (int i = 0; i < allocated.size (); i++)
		292	free (allocated [i]);
		293
		294	free (selection.text);
		295	// TODO: manage env vars in child only(!)
114	free (env_display);	296	free (env_display);
115	free (env_term);	297	free (env_term);
116	free (env_colorfgbg);
117	free (locale);	298	free (locale);
118	free (codeset);	299	free (v_buffer);
119		300	free (incr_buf);
120	#ifndef NO_SETOWNER_TTYDEV
121	privileged_ttydev (RESTORE);
122	#endif
123	#ifdef UTMP_SUPPORT
124	privileged_utmp (RESTORE);
125	#endif
126
127	// TODO: free pixcolours, colours should become part of rxvt_display
128
129	delete PixColors;
130	delete TermWin.fontset;
131
132	displays.put (display);
133		301
134	delete envv;	302	delete envv;
135	delete argv;	303	delete argv;
		304
		305	#ifdef KEYSYM_RESOURCE
		306	delete keyboard;
		307	#endif
		308	#ifndef NO_RESOURCES
		309	XrmDestroyDatabase (option_db);
		310	#endif
		311	}
		312
		313	// child has exited, usually destroys
		314	void
		315	rxvt_term::child_cb (ev::child &w, int status)
		316	{
		317	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		318
		319	cmd_pid = 0;
		320
		321	if (!option (Opt_hold))
		322	destroy ();
136	}	323	}
137		324
138	void	325	void
139	rxvt_term::destroy ()	326	rxvt_term::destroy ()
140	{	327	{
		328	if (destroy_ev.is_active ())
		329	return;
		330
		331	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		332
		333	#if ENABLE_OVERLAY
		334	scr_overlay_off ();
		335	#endif
		336
141	if (display)	337	if (display)
142	{	338	{
143	if (TermWin.parent[0])	339	#if USE_XIM
144	XDestroyWindow (display->display, TermWin.parent[0]);	340	im_ev.stop (display);
145		341	#endif
		342	#if HAVE_SCROLLBARS
		343	scrollbar_ev.stop (display);
		344	#endif
		345	#if ENABLE_TRANSPARENCY || ENABLE_PERL
146	rootwin_ev.stop (display);	346	rootwin_ev.stop (display);
		347	#endif
		348	incr_ev.stop ();
147	termwin_ev.stop (display);	349	termwin_ev.stop (display);
148	vt_ev.stop (display);	350	vt_ev.stop (display);
149
150	#ifdef USE_XIM
151	im_destroy ();
152	im_ev.stop (display);
153	#endif
154	#ifdef HAVE_SCROLLBARS
155	scrollbar_ev.stop (display);
156	#endif
157	#ifdef MENUBAR
158	menubar_ev.stop (display);
159	#endif
160	}	351	}
161		352
162	check_ev.stop ();	353	flush_ev.stop ();
163	pty_ev.stop ();	354	pty_ev.stop ();
164	#ifdef CURSOR_BLINK	355	#ifdef CURSOR_BLINK
165	cursor_blink_ev.stop ();	356	cursor_blink_ev.stop ();
166	#endif	357	#endif
167	#ifdef TEXT_BLINK	358	#ifdef TEXT_BLINK
168	text_blink_ev.stop ();	359	text_blink_ev.stop ();
169	#endif	360	#endif
		361	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		362	cont_scroll_ev.stop ();
		363	#endif
		364	#ifdef SELECTION_SCROLLING
		365	sel_scroll_ev.stop ();
		366	#endif
170	#ifdef POINTER_BLANK	367	#ifdef POINTER_BLANK
171	pointer_ev.stop ();	368	pointer_ev.stop ();
172	#endif	369	#endif
173		370
174	destroy_ev.start (0);	371	destroy_ev.start ();
175	}	372	}
176		373
177	void	374	void
178	rxvt_term::destroy_cb (time_watcher &w)	375	rxvt_term::destroy_cb (ev::idle &w, int revents)
179	{	376	{
180	SET_R (this);	377	make_current ();
181		378
182	delete this;	379	delete this;
183	}
184
185	/*----------------------------------------------------------------------*/
186	/* rxvt_init () */
187	/* LIBPROTO */
188	rxvt_t
189	rxvt_init (int argc, const char *const *argv)
190	{
191	SET_R (new rxvt_term);
192
193	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
194	{
195	delete GET_R;
196	SET_R (0);
197	}
198
199	return GET_R;
200	}
201
202	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
203
204	void
205	rxvt_init_signals ()
206	{
207	/* install exit handler for cleanup */
208	#if 0
209	#ifdef HAVE_ATEXIT
210	atexit (rxvt_clean_exit);
211	#else
212	#endif
213	#endif
214
215	struct sigaction sa;
216
217	sigfillset (&sa.sa_mask);
218	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
219	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
220	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
221	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
222	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
223	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
224	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
225
226	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
227	/* signal (SIGURG, SIG_DFL); */
228
229	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
230	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
231	}
232
233	bool
234	rxvt_term::init (int argc, const char *const *argv)
235	{
236	/*
237	* Save and then give up any super-user privileges
238	* If we need privileges in any area then we must specifically request it.
239	* We should only need to be root in these cases:
240	* 1. write utmp entries on some systems
241	* 2. chown tty on some systems
242	*/
243	privileges (SAVE);
244	privileges (IGNORE);
245
246	init_secondary ();
247
248	const char **cmd_argv = init_resources (argc, argv);
249
250	set_locale ("");
251
252	#if (MENUBAR_MAX)
253	menubar_read (rs[Rs_menu]);
254	#endif
255	#ifdef HAVE_SCROLLBARS
256	if (Options & Opt_scrollBar)
257	scrollBar.setIdle (); /* set existence for size calculations */
258	#endif
259
260	create_windows (argc, argv);
261
262	init_xlocale ();
263
264	scr_reset (); /* initialize screen */
265	#ifdef RXVT_GRAPHICS
266	Gr_reset (); /* reset graphics */
267	#endif
268
269	#if 0
270	#ifdef DEBUG_X
271	XSynchronize (display->display, True);
272	#endif
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;
355	}	380	}
356		381
357	/*----------------------------------------------------------------------*/	382	/*----------------------------------------------------------------------*/
358	/*	383	/*
359	* Exit gracefully, clearing the utmp entry and restoring tty attributes	384	* Exit gracefully, clearing the utmp entry and restoring tty attributes
360	* TODO: if debugging, this should free up any known resources if we can	385	* TODO: if debugging, this should free up any known resources if we can
361	*/	386	*/
362	/* EXTPROTO */	387	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		388
371	/* ------------------------------------------------------------------------- *	389	static void
372	* MEMORY ALLOCATION WRAPPERS *	390	rxvt_emergency_cleanup ()
373	* ------------------------------------------------------------------------- */
374	/* EXTPROTO */
375	void *
376	rxvt_malloc (size_t size)
377	{	391	{
378	void *p;	392	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
379		393	(*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	}	394	}
389		395
390	/* EXTPROTO */	396	#if !ENABLE_MINIMAL
391	void *	397	static void
392	rxvt_calloc (size_t number, size_t size)	398	print_x_error (Display *dpy, XErrorEvent *event)
393	{	399	{
394	void *p;	400	char buffer[BUFSIZ];
395		401	char mesg[BUFSIZ];
396	p = calloc (number, size);	402	char number[32];
397	if (p)	403	char *mtype = "XlibMessage";
398	return p;	404	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
399		405	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
400	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	406	rxvt_warn ("An X Error occured, trying to continue after report.\n");
401	rxvt_clean_exit ();	407	rxvt_warn ("%s: %s\n", mesg, buffer);
402	exit (EXIT_FAILURE);	408	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
403	/* NOTREACHED */	409	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		410	sprintf(number, "%d", event->request_code);
		411	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		412	rxvt_warn ("(which is %s)\n", buffer);
		413	if (event->request_code >= 128) {
		414	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		415	mesg, BUFSIZ);
		416	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		417	}
		418	if ((event->error_code == BadWindow) ||
		419	(event->error_code == BadPixmap) ||
		420	(event->error_code == BadCursor) ||
		421	(event->error_code == BadFont) ||
		422	(event->error_code == BadDrawable) ||
		423	(event->error_code == BadColor) ||
		424	(event->error_code == BadGC) ||
		425	(event->error_code == BadIDChoice) ||
		426	(event->error_code == BadValue) ||
		427	(event->error_code == BadAtom)) {
		428	if (event->error_code == BadValue)
		429	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		430	mesg, BUFSIZ);
		431	else if (event->error_code == BadAtom)
		432	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		433	mesg, BUFSIZ);
		434	else
		435	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		436	mesg, BUFSIZ);
		437	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		438	}
		439	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		440	mesg, BUFSIZ);
		441	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
404	}	442	}
		443	#endif
405		444
406	/* EXTPROTO */	445	int
407	void *	446	rxvt_xerror_handler (Display *display, XErrorEvent *event)
408	rxvt_realloc (void *ptr, size_t size)
409	{	447	{
410	void *p;	448	if (GET_R->allowedxerror == -1)
411		449	GET_R->allowedxerror = event->error_code;
412	if (ptr)
413	p = realloc (ptr, size);
414	else	450	else
415	p = malloc (size);	451	{
416	if (p)	452	// GET_R is most likely not the terminal which caused the error,
		453	// so just output the error and continue
		454	#if ENABLE_MINIMAL
		455	old_xerror_handler (display, event);
		456	#else
		457	print_x_error (display, event);
		458	#endif
		459	}
		460
417	return p;	461	return 0;
		462	}
418		463
419	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	464	int
420	rxvt_clean_exit ();	465	rxvt_xioerror_handler (Display *display)
		466	{
		467	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		468	DisplayString (display));
		469	rxvt_emergency_cleanup ();
421	exit (EXIT_FAILURE);	470	_exit (EXIT_FAILURE);
422	/* NOTREACHED */
423	}	471	}
424		472
425	/* ------------------------------------------------------------------------- *	473	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	{	474	{
432	#if ! defined(__CYGWIN32__)	475	ev::sig sw_term, sw_int;
433	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	476
434	/* setreuid () is the poor man's setuid (), seteuid () */	477	/*
435	# define seteuid(a) setreuid(-1, (a))	478	* Catch a fatal signal and tidy up before quitting
436	# define setegid(a) setregid(-1, (a))	479	*/
437	# define HAVE_SETEUID	480	void sig_term (ev::sig &w, int revents);
438	# endif	481
439	# ifdef HAVE_SETEUID	482	sig_handlers ()
440	switch (mode)
441	{	483	{
442	case IGNORE:	484	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
443	/*	485	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
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	}	486	}
459	# else	487	} sig_handlers;
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
472	#endif
473	}
474		488
475	#ifdef UTMP_SUPPORT
476	void	489	void
477	rxvt_term::privileged_utmp (char action)	490	sig_handlers::sig_term (ev::sig &w, int revents)
478	{	491	{
479	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",	492	rxvt_emergency_cleanup ();
480	action, next_utmp_action, getpid ()));	493	w.stop ();
481	if (next_utmp_action != action || (action != SAVE && action != RESTORE)	494	kill (getpid (), w.signum);
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	}	495	}
499	#endif
500		496
501	#ifndef NO_SETOWNER_TTYDEV	497	char **rxvt_environ; // startup environment
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		498
512	privileges (RESTORE);	499	void
		500	rxvt_init ()
		501	{
		502	ptytty::init ();
513		503
514	if (action == SAVE)	504	if (!ev_default_loop (0))
515	{	505	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
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
523		506
524	{	507	rxvt_environ = environ;
525	chown (ttydev, getuid (), ttygid); /* fail silently */
526	chmod (ttydev, ttymode);
527	# ifdef HAVE_REVOKE
528	revoke (ttydev);
529	# endif
530		508
531	}	509	signal (SIGHUP, SIG_IGN);
532	}	510	signal (SIGPIPE, SIG_IGN);
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
544		511
545	}	512	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		513	sig_handlers.sw_int.start (SIGINT); ev_unref ();
546		514
547	privileges (IGNORE);	515	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		516	/* signal (SIGURG, SIG_DFL); */
548		517
549	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	518	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
550	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	519	// TODO: handle this with exceptions and tolerate the memory loss
551	action == RESTORE ? "Restoring" : (action ==	520	XSetIOErrorHandler (rxvt_xioerror_handler);
552	SAVE ? "Saving" :	521
553	"UNKNOWN ERROR for"), ttydev,	522	XrmInitialize ();
554	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
555	ttyfd_stat.st_gid));
556	# endif
557	}	523	}
558	#endif
559		524
560	/*----------------------------------------------------------------------*/	525	/*----------------------------------------------------------------------*/
561	/*	526	/*
562	* window size/position calculcations for XSizeHint and other storage.	527	* window size/position calculations for XSizeHint and other storage.
563	* if width/height are non-zero then override calculated width/height	528	* if width/height are non-zero then override calculated width/height
564	*/	529	*/
565	void	530	void
566	rxvt_term::window_calc (unsigned int width, unsigned int height)	531	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
567	{	532	{
568	short recalc_x, recalc_y;	533	short recalc_x, recalc_y;
569	int x, y, sb_w, mb_h, flags;	534	int x, y, sb_w, flags;
570	unsigned int w, h;	535	unsigned int w, h;
571	unsigned int max_width, max_height;	536	unsigned int max_width, max_height;
572		537
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;	538	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
577	szHint.win_gravity = NorthWestGravity;	539	szHint.win_gravity = NorthWestGravity;
578	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	540	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
579		541
580	recalc_x = recalc_y = 0;	542	recalc_x = recalc_y = 0;
581	flags = 0;	543	flags = 0;
		544
582	if (!parsed_geometry)	545	if (!parsed_geometry)
583	{	546	{
584	parsed_geometry = 1;	547	parsed_geometry = 1;
		548
585	if (rs[Rs_geometry])	549	if (rs[Rs_geometry])
586	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	550	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		551
587	if (flags & WidthValue)	552	if (flags & WidthValue)
588	{	553	{
589	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	554	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
590	szHint.flags |= USSize;	555	szHint.flags |= USSize;
591	}	556	}
		557
592	if (flags & HeightValue)	558	if (flags & HeightValue)
593	{	559	{
594	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	560	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
595	szHint.flags |= USSize;	561	szHint.flags |= USSize;
596	}	562	}
		563
597	if (flags & XValue)	564	if (flags & XValue)
598	{	565	{
599	szHint.x = x;	566	szHint.x = x;
600	szHint.flags |= USPosition;	567	szHint.flags |= USPosition;
		568
601	if (flags & XNegative)	569	if (flags & XNegative)
602	{	570	{
603	recalc_x = 1;	571	recalc_x = 1;
604	szHint.win_gravity = NorthEastGravity;	572	szHint.win_gravity = NorthEastGravity;
605	}	573	}
606	}	574	}
		575
607	if (flags & YValue)	576	if (flags & YValue)
608	{	577	{
609	szHint.y = y;	578	szHint.y = y;
610	szHint.flags |= USPosition;	579	szHint.flags |= USPosition;
		580
611	if (flags & YNegative)	581	if (flags & YNegative)
612	{	582	{
613	recalc_y = 1;	583	recalc_y = 1;
		584
614	if (szHint.win_gravity == NorthEastGravity)	585	if (szHint.win_gravity == NorthEastGravity)
615	szHint.win_gravity = SouthEastGravity;	586	szHint.win_gravity = SouthEastGravity;
616	else	587	else
617	szHint.win_gravity = SouthWestGravity;	588	szHint.win_gravity = SouthWestGravity;
618	}	589	}
619	}	590	}
620	}	591	}
		592
621	/* TODO: BOUNDS */	593	/* TODO: BOUNDS */
622	TermWin.width = TermWin.ncol * TermWin.fwidth;	594	width = ncol * fwidth;
623	TermWin.height = TermWin.nrow * TermWin.fheight;	595	height = nrow * fheight;
624	max_width = MAX_COLS * TermWin.fwidth;	596	max_width = MAX_COLS * fwidth;
625	max_height = MAX_ROWS * TermWin.fheight;	597	max_height = MAX_ROWS * fheight;
626		598
627	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	599	szHint.base_width = szHint.base_height = 2 * int_bwidth;
628		600
629	sb_w = mb_h = 0;	601	sb_w = 0;
630	window_vt_x = window_vt_y = 0;	602	window_vt_x = window_vt_y = int_bwidth;
631	if (scrollbar_visible ())	603
		604	if (scrollBar.state)
632	{	605	{
633	sb_w = scrollbar_TotalWidth ();	606	sb_w = scrollbar_TotalWidth ();
634	szHint.base_width += sb_w;	607	szHint.base_width += sb_w;
		608
635	if (! (Options & Opt_scrollBar_right))	609	if (!option (Opt_scrollBar_right))
636	window_vt_x = sb_w;	610	window_vt_x += sb_w;
637	}
638	if (menubar_visible ())
639	{	611	}
640	mb_h = menuBar_TotalHeight ();	612
641	szHint.base_height += mb_h;
642	window_vt_y = mb_h;
643	}
644	szHint.width_inc = TermWin.fwidth;	613	szHint.width_inc = fwidth;
645	szHint.height_inc = TermWin.fheight;	614	szHint.height_inc = fheight;
646	szHint.min_width = szHint.base_width + szHint.width_inc;	615	szHint.min_width = szHint.base_width + szHint.width_inc;
647	szHint.min_height = szHint.base_height + szHint.height_inc;	616	szHint.min_height = szHint.base_height + szHint.height_inc;
648		617
649	if (width && width - szHint.base_width < max_width)	618	if (newwidth && newwidth - szHint.base_width < max_width)
650	{	619	{
651	szHint.width = width;	620	szHint.width = newwidth;
652	TermWin.width = width - szHint.base_width;	621	width = newwidth - szHint.base_width;
653	}	622	}
654	else	623	else
655	{	624	{
656	MIN_IT (TermWin.width, max_width);	625	min_it (width, max_width);
657	szHint.width = szHint.base_width + TermWin.width;	626	szHint.width = szHint.base_width + width;
658	}	627	}
		628
659	if (height && height - szHint.base_height < max_height)	629	if (newheight && newheight - szHint.base_height < max_height)
660	{	630	{
661	szHint.height = height;	631	szHint.height = newheight;
662	TermWin.height = height - szHint.base_height;	632	height = newheight - szHint.base_height;
663	}	633	}
664	else	634	else
665	{	635	{
666	MIN_IT (TermWin.height, max_height);	636	min_it (height, max_height);
667	szHint.height = szHint.base_height + TermWin.height;	637	szHint.height = szHint.base_height + height;
668	}	638	}
		639
669	if (scrollbar_visible () && (Options & Opt_scrollBar_right))	640	if (scrollBar.state && option (Opt_scrollBar_right))
670	window_sb_x = szHint.width - sb_w;	641	window_sb_x = szHint.width - sb_w;
671		642
672	if (recalc_x)	643	if (recalc_x)
673	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	644	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
674	- szHint.width - 2 * TermWin.ext_bwidth);	645
675	if (recalc_y)	646	if (recalc_y)
676	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	647	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
677	- szHint.height - 2 * TermWin.ext_bwidth);
678		648
679	TermWin.ncol = TermWin.width / TermWin.fwidth;	649	ncol = width / fwidth;
680	TermWin.nrow = TermWin.height / TermWin.fheight;	650	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	}	651	}
686		652
687	/*----------------------------------------------------------------------*/	653	/*----------------------------------------------------------------------*/
688	/*	654	/*
689	* Tell the teletype handler what size the window is.	655	* Tell the teletype handler what size the window is.
690	* Called after a window size change.	656	* Called after a window size change.
691	*/	657	*/
692	void	658	void
693	rxvt_term::tt_winch ()	659	rxvt_term::tt_winch ()
694	{	660	{
		661	if (pty->pty < 0)
		662	return;
		663
695	struct winsize ws;	664	struct winsize ws;
696		665
697	if (cmd_fd < 0)
698	return;
699
700	ws.ws_col = TermWin.ncol;	666	ws.ws_col = ncol;
701	ws.ws_row = TermWin.nrow;	667	ws.ws_row = nrow;
702	ws.ws_xpixel = ws.ws_ypixel = 0;	668	ws.ws_xpixel = width;
703	#ifndef DEBUG_SIZE	669	ws.ws_ypixel = height;
704	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	670	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
705	#else	671
706	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	672	#if 0
707	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	673	// TIOCSWINSZ is supposed to do this automatically and correctly
708	# ifdef SIGWINCH
709	else if (cmd_pid) /* force through to the command */	674	if (cmd_pid) /* force through to the command */
710	kill (cmd_pid, SIGWINCH);	675	kill (-cmd_pid, SIGWINCH);
711	# endif
712	#endif	676	#endif
713	}	677	}
714		678
715	/*----------------------------------------------------------------------*/	679	/*----------------------------------------------------------------------*/
716	/* rxvt_change_font () - Switch to a new font */	680	/* set_fonts () - load and set the various fonts
717	/*	681	*
718	* init = 1 - initialize	682	* init = 1 - initialize
719	*	683	*
720	* fontname == FONT_UP - switch to bigger font	684	* fontname == FONT_UP - switch to bigger font
721	* fontname == FONT_DN - switch to smaller font	685	* fontname == FONT_DN - switch to smaller font
722	*/	686	*/
723	void	687	bool
724	rxvt_term::change_font (int init, const char *fontname)	688	rxvt_term::set_fonts ()
725	{}	689	{
		690	rxvt_fontset *fs = new rxvt_fontset (this);
		691	rxvt_fontprop prop;
726		692
		693	if (!fs
		694	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		695	|| !fs->realize_font (1))
		696	{
		697	delete fs;
		698	return false;
		699	}
		700
		701	#if ENABLE_STYLES
		702	for (int i = RS_styleCount; --i; )
		703	if (fontset[i] != fontset[0])
		704	delete fontset[i];
		705	#endif
		706
		707	delete fontset[0];
		708	fontset[0] = fs;
		709
		710	prop = (*fs)[1]->properties ();
		711	prop.height += lineSpace;
		712
		713	fs->set_prop (prop, false);
		714
		715	fwidth = prop.width;
		716	fheight = prop.height;
		717	fbase = prop.ascent;
		718
		719	for (int style = 1; style < 4; style++)
		720	{
		721	#if ENABLE_STYLES
		722	const char *res = rs[Rs_font + style];
		723
		724	if (res && !*res)
		725	fontset[style] = fontset[0];
		726	else
		727	{
		728	fontset[style] = fs = new rxvt_fontset (this);
		729	rxvt_fontprop prop2 = prop;
		730
		731	if (res)
		732	{
		733	fs->populate (res);
		734	fs->set_prop (prop2, false);
		735	}
		736	else
		737	{
		738	fs->populate (fontset[0]->fontdesc);
		739
		740	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		741	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		742
		743	fs->set_prop (prop2, true);
		744	}
		745
		746	}
		747	#else
		748	fontset[style] = fontset[0];
		749	#endif
		750	}
		751
		752	if (parent[0])
		753	{
		754	resize_all_windows (0, 0, 0);
		755	scr_remap_chars ();
		756	scr_touch (true);
		757	}
		758
		759	return true;
		760	}
		761
727	void	762	void
728	rxvt_term::font_up_down (int n, int direction)	763	rxvt_term::set_string_property (Atom prop, const char *str, int len)
729	{}	764	{
		765	XChangeProperty (dpy, parent[0],
		766	prop, XA_STRING, 8, PropModeReplace,
		767	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		768	}
		769
		770	void
		771	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		772	{
		773	wchar_t *ws = rxvt_mbstowcs (str, len);
		774	char *s = rxvt_wcstoutf8 (ws);
		775
		776	XChangeProperty (dpy, parent[0],
		777	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		778	(const unsigned char *)s, strlen (s));
		779
		780	free (s);
		781	free (ws);
		782	}
730		783
731	/*----------------------------------------------------------------------*/	784	/*----------------------------------------------------------------------*/
732	/*----------------------------------------------------------------------*/	785	/*----------------------------------------------------------------------*/
733	/* xterm sequences - title, iconName, color (exptl) */	786	/* xterm sequences - title, iconName, color (exptl) */
734	void	787	void
735	rxvt_term::set_title (const char *str)	788	rxvt_term::set_title (const char *str)
736	{	789	{
737	#ifndef SMART_WINDOW_TITLE	790	set_string_property (XA_WM_NAME, str);
738	XStoreName (display->display, TermWin.parent[0], str);	791	#if ENABLE_EWMH
739	#else	792	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	793	#endif
749	}	794	}
750		795
751	void	796	void
752	rxvt_term::set_iconName (const char *str)	797	rxvt_term::set_icon_name (const char *str)
753	{	798	{
754	#ifndef SMART_WINDOW_TITLE	799	set_string_property (XA_WM_ICON_NAME, str);
755	XSetIconName (display->display, TermWin.parent[0], str);	800	#if ENABLE_EWMH
756	#else	801	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	802	#endif
766	}	803	}
767		804
		805	void
		806	rxvt_term::set_window_color (int idx, const char *color)
		807	{
768	#ifdef XTERM_COLOR_CHANGE	808	#ifdef XTERM_COLOR_CHANGE
769	void
770	rxvt_term::set_window_color (int idx, const char *color)
771	{
772	rxvt_color xcol;	809	rxvt_color xcol;
773	int i;	810	int i;
774		811
775	if (color == NULL || *color == '\0')	812	if (color == NULL || *color == '\0')
776	return;	813	return;
777		814
		815	color = strdup (color);
		816	allocated.push_back ((void *)color);
		817	rs[Rs_color + idx] = color;
		818
778	/* handle color aliases */	819	/* handle color aliases */
779	if (isdigit (*color))	820	if (isdigit (*color))
780	{	821	{
781	i = atoi (color);	822	i = atoi (color);
		823
782	if (i >= 8 && i <= 15)	824	if (i >= 8 && i <= 15)
		825	{
783	{ /* bright colors */	826	/* bright colors */
784	i -= 8;
785	# ifndef NO_BRIGHTCOLOR
786	PixColors[idx] = PixColors[minBrightCOLOR + i];	827	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
787	SET_PIXCOLOR (idx);
788	goto Done;	828	goto done;
789	# endif
790
791	}	829	}
		830
792	if (i >= 0 && i <= 7)	831	if (i >= 0 && i <= 7)
		832	{
793	{ /* normal colors */	833	/* normal colors */
794	PixColors[idx] = PixColors[minCOLOR + i];	834	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
795	SET_PIXCOLOR (idx);
796	goto Done;	835	goto done;
797	}	836	}
798	}	837	}
799	if (!rXParseAllocColor (& xcol, color))	838
800	return;	839	set_color (xcol, color);
801	/* XStoreColor (display->display, XCMAP, XColor*); */
802		840
803	/*	841	/*
804	* 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,
805	* so just keep gobbling up the colormap	843	* so just keep gobbling up the colormap
806	*/	844	*/
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		845
819	PixColors[idx] = xcol;	846	pix_colors_focused[idx] = xcol;
820	SET_PIXCOLOR (idx);
821		847
822	/* XSetWindowAttributes attr; */
823	/* Cursor cursor; */
824	Done:	848	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. */	849	/*TODO: handle Color_BD, scrollbar background, etc. */
830		850
831	set_colorfgbg ();	851	update_fade_color (idx);
832	recolour_cursor ();	852	recolour_cursor ();
833	/* the only reasonable way to enforce a clean update */	853	scr_recolour ();
834	scr_poweron ();	854	#endif /* XTERM_COLOR_CHANGE */
835	}	855	}
836
837	#else
838	# define set_window_color (idx,color) ((void)0)
839	#endif /* XTERM_COLOR_CHANGE */
840		856
841	void	857	void
842	rxvt_term::recolour_cursor ()	858	rxvt_term::recolour_cursor ()
843	{	859	{
844	#if TODO	860	XColor fg, bg;
845	rxvt_color xcol[2];
846		861
847	xcol[0] = PixColors[Color_pointer];	862	(ISSET_PIXCOLOR (Color_pointer_fg)
848	xcol[1] = PixColors[Color_bg];	863	? pix_colors_focused[Color_pointer_fg]
849	XQueryColors (display->display, XCMAP, xcol, 2);	864	: pix_colors_focused[Color_fg]).get (fg);
850	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	865
851	#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);
852	}	871	}
853		872
854	/*----------------------------------------------------------------------*/	873	/*----------------------------------------------------------------------*/
855	/*	874	/*
856	* 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
857	*/	876	*/
858	void	877	void
859	rxvt_term::set_colorfgbg ()	878	rxvt_term::set_colorfgbg ()
860	{	879	{
861	unsigned int i;	880	unsigned int i;
862	const char *xpmb = "\0";	881	const char *xpmb = "";
863	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	882	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
864		883
865	env_colorfgbg =
866	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
867	STRCPY (fstr, "default");	884	strcpy (fstr, "default");
868	STRCPY (bstr, "default");	885	strcpy (bstr, "default");
869	for (i = Color_Black; i <= Color_White; i++)	886	for (i = Color_Black; i <= Color_White; i++)
870	if (PixColors[Color_fg] == PixColors[i])	887	if (pix_colors[Color_fg] == pix_colors[i])
871	{	888	{
872	sprintf (fstr, "%d", (i - Color_Black));	889	sprintf (fstr, "%d", (i - Color_Black));
873	break;	890	break;
874	}	891	}
		892
875	for (i = Color_Black; i <= Color_White; i++)	893	for (i = Color_Black; i <= Color_White; i++)
876	if (PixColors[Color_bg] == PixColors[i])	894	if (pix_colors[Color_bg] == pix_colors[i])
877	{	895	{
878	sprintf (bstr, "%d", (i - Color_Black));	896	sprintf (bstr, "%d", (i - Color_Black));
879	#ifdef XPM_BACKGROUND	897	#ifdef BG_IMAGE_FROM_FILE
880	xpmb = "default;";	898	xpmb = "default;";
881	#endif	899	#endif
882	break;	900	break;
883	}	901	}
884		902
885	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	903	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	}	904	}
898		905
899	/*----------------------------------------------------------------------*/	906	/*----------------------------------------------------------------------*/
900	/*
901	* Colour determination for low colour displays, routine from
902	* Hans de Goede <hans@highrise.nl>
903	*/
904		907
905	int	908	bool
906	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	909	rxvt_term::set_color (rxvt_color &color, const char *name)
907	{	910	{
908	if (!screen_in_out->set (display, colour))	911	if (color.set (this, name))
909	{
910	rxvt_print_error ("can't allocate colour: %s", colour);
911	return false;
912	}
913
914	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]);
915	}	922	}
916		923
917	/* -------------------------------------------------------------------- *	924	/* -------------------------------------------------------------------- *
918	* - WINDOW RESIZING - *	925	* - WINDOW RESIZING - *
919	* -------------------------------------------------------------------- */	926	* -------------------------------------------------------------------- */
920	void	927	void
921	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)
922	{	929	{
923	int fix_screen;	930	int fix_screen;
		931	int old_width = szHint.width;
		932	int old_height = szHint.height;
924		933
925	#ifdef SMART_RESIZE
926	int old_width = szHint.width, old_height = szHint.height;
927	#endif
928
929	window_calc (width, height);	934	window_calc (newwidth, newheight);
		935
		936	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
930	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	937	XSetWMNormalHints (dpy, parent[0], &szHint);
		938
931	if (!ignoreparent)	939	if (!ignoreparent)
932	{	940	{
933	#ifdef SMART_RESIZE	941	#ifdef SMART_RESIZE
934	/*	942	/*
935	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	943	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
938	int x, y, x1, y1;	946	int x, y, x1, y1;
939	int dx, dy;	947	int dx, dy;
940	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	948	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
941	Window unused_cr;	949	Window unused_cr;
942		950
943	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	951	XTranslateCoordinates (dpy, parent[0], display->root,
944	0, 0, &x, &y, &unused_cr);	952	0, 0, &x, &y, &unused_cr);
945	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	953	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
946	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	954	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
947	/*	955	/*
948	* if display->root isn't the parent window, a WM will probably have offset	956	* if display->root isn't the parent window, a WM will probably have offset
949	* our position for handles and decorations. Counter it	957	* our position for handles and decorations. Counter it
950	*/	958	*/
…		…
952	{	960	{
953	x -= x1;	961	x -= x1;
954	y -= y1;	962	y -= y1;
955	}	963	}
956		964
957	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	965	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
958	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	966	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
959	dx = old_width - szHint.width;	967	dx = old_width - szHint.width;
960	dy = old_height - szHint.height;	968	dy = old_height - szHint.height;
961		969
962	/* Check position of the center of the window */	970	/* Check position of the center of the window */
963	if (x < x1) /* left half */	971	if (x < x1) /* left half */
964	dx = 0;	972	dx = 0;
…		…
967	if (y < y1) /* top half */	975	if (y < y1) /* top half */
968	dy = 0;	976	dy = 0;
969	else if (y == y1) /* exact center */	977	else if (y == y1) /* exact center */
970	dy /= 2;	978	dy /= 2;
971		979
972	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	980	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
973	szHint.width, szHint.height);	981	szHint.width, szHint.height);
974	#else	982	#else
975	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	983	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
976	szHint.height);
977	#endif	984	#endif
978
979	}	985	}
980		986
981	fix_screen = (TermWin.ncol != prev_ncol	987	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
982	|| TermWin.nrow != prev_nrow);
983		988
984	if (fix_screen || width != old_width || height != old_height)	989	if (fix_screen || newwidth != old_width || newheight != old_height)
985	{	990	{
986	if (scrollbar_visible ())	991	if (scrollBar.state)
987	{	992	{
988	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,	993	XMoveResizeWindow (dpy, scrollBar.win,
		994	window_sb_x, 0,
989	0, scrollbar_TotalWidth (), szHint.height);	995	scrollbar_TotalWidth (), szHint.height);
990	resize_scrollbar ();	996	resize_scrollbar ();
991	}	997	}
992		998
993	if (menubar_visible ())	999	XMoveResizeWindow (dpy, vt,
994	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	1000	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 ());	1001	width, height);
1000	#ifdef RXVT_GRAPHICS	1002
1001	if (old_height)	1003	#ifdef HAVE_BG_PIXMAP
1002	Gr_Resize (old_width - szHint.base_width,	1004	if (bgPixmap.window_size_sensitive ())
1003	old_height - szHint.base_height);	1005	update_background ();
1004	#endif	1006	#endif
		1007
1005	scr_clear ();	1008	scr_clear ();
1006	#ifdef XPM_BACKGROUND
1007	resize_pixmap ();
1008	#endif
1009
1010	}	1009	}
1011		1010
1012	if (fix_screen || old_height == 0)	1011	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 ();	1012	scr_reset ();
1027		1013
1028	if (curr_screen >= 0) /* this is not the first time through */	1014	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
1029	{	1015	//scr_touch (false);
1030	scr_change_screen (curr_screen);
1031	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1032	}
1033	}
1034		1016
1035	old_width = szHint.width;	1017	#ifdef HAVE_BG_PIXMAP
1036	old_height = szHint.height;	1018	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		1019	// if (bgPixmap.pixmap)
		1020	// scr_touch (false);
		1021	#endif
1037		1022
1038	#ifdef USE_XIM	1023	#ifdef USE_XIM
1039	IMSetStatusPosition ();	1024	IMSetPosition ();
1040	#endif	1025	#endif
1041	}	1026	}
1042		1027
1043	/*	1028	/*
1044	* 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.
1045	* good for toggling 80/132 columns	1030	* good for toggling 80/132 columns
1046	*/	1031	*/
1047	void	1032	void
1048	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1033	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1049	{	1034	{
1050	XWindowAttributes wattr;	1035	XWindowAttributes wattr;
1051		1036
1052	if (width == 0 || height == 0)	1037	if (newwidth == 0 || newheight == 0)
1053	{	1038	{
1054	XGetWindowAttributes (display->display, display->root, &wattr);	1039	XGetWindowAttributes (dpy, display->root, &wattr);
		1040
1055	if (width == 0)	1041	if (newwidth == 0)
1056	width = wattr.width - szHint.base_width;	1042	newwidth = wattr.width - szHint.base_width;
1057	if (height == 0)	1043	if (newheight == 0)
1058	height = wattr.height - szHint.base_height;	1044	newheight = wattr.height - szHint.base_height;
1059	}
1060	if (width != TermWin.width || height != TermWin.height)
1061	{	1045	}
		1046
		1047	if (newwidth != width || newheight != height)
		1048	{
1062	width += szHint.base_width;	1049	newwidth += szHint.base_width;
1063	height += szHint.base_height;	1050	newheight += szHint.base_height;
1064	resize_all_windows (width, height, 0);	1051	resize_all_windows (newwidth, newheight, 0);
1065	}	1052	}
1066	}	1053	}
1067		1054
1068	/* -------------------------------------------------------------------- *	1055	/* -------------------------------------------------------------------- *
1069	* - X INPUT METHOD ROUTINES - *	1056	* - X INPUT METHOD ROUTINES - *
1070	* -------------------------------------------------------------------- */	1057	* -------------------------------------------------------------------- */
1071	#ifdef USE_XIM	1058	#ifdef USE_XIM
1072		1059
1073	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
1074	rxvt_term::im_set_size (XRectangle *size)	1068	rxvt_term::im_set_size (XRectangle &size)
1075	{	1069	{
1076	size->x = TermWin.int_bwidth;	1070	// the int_bwidth terms make no sense to me
1077	size->y = TermWin.int_bwidth;	1071	size.x = int_bwidth;
1078	size->width = Width2Pixel (TermWin.ncol);	1072	size.y = int_bwidth;
1079	size->height = Height2Pixel (TermWin.nrow);	1073	size.width = Width2Pixel (ncol) + int_bwidth;
		1074	size.height = Height2Pixel (nrow) + int_bwidth;
1080	}	1075	}
1081		1076
1082	void	1077	void
1083	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)
1084	{	1081	{
1085	*fg = PixColors[Color_fg];	1082	preedit_rect.x = needed_rect.width;
1086	*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;
1087	}	1091	}
1088		1092
1089	/* Checking whether input method is running. */	1093	/* Checking whether input method is running. */
1090	bool	1094	bool
1091	rxvt_term::IMisRunning ()	1095	rxvt_term::IMisRunning ()
1092	{	1096	{
1093	char *p;	1097	char *p;
1094	Atom atom;	1098	Atom atom;
1095	Window win;	1099	Window win;
1096	char server[IMBUFSIZ];	1100	char server[IMBUFSIZ];
1097		1101
1098	/* get current locale modifier */	1102	/* get current locale modifier */
1099	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1103	if ((p = XSetLocaleModifiers (NULL)) != NULL)
1100	{	1104	{
1101	STRCPY (server, "@server=");	1105	strcpy (server, "@server=");
1102	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1106	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1107
1103	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1108	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1104	*p = '\0';	1109	*p = '\0';
1105		1110
1106	atom = XInternAtom (display->display, server, False);	1111	atom = XInternAtom (dpy, server, False);
1107	win = XGetSelectionOwner (display->display, atom);	1112	win = XGetSelectionOwner (dpy, atom);
		1113
1108	if (win != None)	1114	if (win != None)
1109	return True;	1115	return True;
1110	}	1116	}
		1117
1111	return False;	1118	return False;
1112	}	1119	}
1113		1120
1114	void	1121	void
1115	rxvt_term::IMSendSpot ()	1122	rxvt_term::IMSendSpot ()
1116	{	1123	{
1117	XPoint spot;	1124	XPoint nspot;
1118	XVaNestedList preedit_attr;	1125	XVaNestedList preedit_attr;
1119		1126
1120	if (Input_Context == NULL	1127	if (!Input_Context
1121	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1128	|| !focus
1122	|| ! (event_type == KeyPress	1129	|| !(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;	1130	return;
1129		1131
1130	im_set_position (&spot);	1132	im_set_position (nspot);
		1133
		1134	if (nspot.x == spot.x && nspot.y == spot.y)
		1135	return;
		1136
		1137	spot = nspot;
1131		1138
1132	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1139	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1133	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1140	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1134	XFree (preedit_attr);	1141	XFree (preedit_attr);
1135	}	1142	}
1136		1143
1137	void	1144	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 ()	1145	rxvt_term::im_destroy ()
1164	{	1146	{
1165	if (Input_Context)
1166	{
1167	XDestroyIC (Input_Context);
1168	Input_Context = NULL;
1169	}
1170
1171	if (input_method)	1147	if (input_method)
1172	{	1148	{
		1149	if (Input_Context && input_method->xim)
		1150	XDestroyIC (Input_Context);
		1151
1173	display->put_xim (input_method);	1152	display->put_xim (input_method);
1174	input_method = 0;	1153	input_method = 0;
1175	}	1154	}
		1155
		1156	Input_Context = 0;
1176	}	1157	}
		1158
		1159	#ifdef ENABLE_XIM_ONTHESPOT
		1160
		1161	static void
		1162	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1163	{
		1164	((rxvt_term *)client_data)->make_current ();
		1165	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1166	}
		1167
		1168	static void
		1169	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1170	{
		1171	((rxvt_term *)client_data)->make_current ();
		1172	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1173	}
		1174
		1175	static void
		1176	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1177	{
		1178	rxvt_term *term = (rxvt_term *)client_data;
		1179	XIMText *text = call_data->text;
		1180
		1181	term->make_current ();
		1182
		1183	if (text)
		1184	{
		1185	void *str;
		1186
		1187	if (!text->encoding_is_wchar && text->string.multi_byte)
		1188	{
		1189	// of course, X makes it ugly again
		1190	if (term->rs[Rs_imLocale])
		1191	SET_LOCALE (term->rs[Rs_imLocale]);
		1192
		1193	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1194	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1195
		1196	if (term->rs[Rs_imLocale])
		1197	SET_LOCALE (term->locale);
		1198	}
		1199	else
		1200	str = (void *)text->string.wide_char;
		1201
		1202	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1203	DT_INT, call_data->caret,
		1204	DT_INT, call_data->chg_first,
		1205	DT_INT, call_data->chg_length,
		1206	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1207	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1208	DT_END));
		1209	}
		1210	else
		1211	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1212	DT_INT, call_data->caret,
		1213	DT_INT, call_data->chg_first,
		1214	DT_INT, call_data->chg_length,
		1215	DT_END));
		1216	}
		1217
		1218	#if 0
		1219	static void
		1220	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1221	{
		1222	((rxvt_term *)client_data)->make_current ();
		1223	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1224	DT_INT, call_data->position,
		1225	DT_INT, call_data->direction,
		1226	DT_INT, call_data->style,
		1227	DT_END));
		1228	}
		1229	#endif
		1230
		1231	#endif
1177		1232
1178	/*	1233	/*
1179	* Try to open a XIM with the current modifiers, then see if we can	1234	* Try to open a XIM with the current modifiers, then see if we can
1180	* open a suitable preedit type	1235	* open a suitable preedit type
1181	*/	1236	*/
1182	bool	1237	bool
1183	rxvt_term::IM_get_IC (const char *modifiers)	1238	rxvt_term::IM_get_IC (const char *modifiers)
1184	{	1239	{
1185	int i, j, found;	1240	int i, j, found;
1186	XIM xim;	1241	XIM xim;
1187	XPoint spot;	1242	XPoint spot;
1188	XRectangle rect, status_rect, needed_rect;	1243	XRectangle rect, status_rect, needed_rect;
1189	unsigned long fg, bg;	1244	unsigned long fg, bg;
1190	const char *p;	1245	const char *p;
1191	char **s;	1246	char **s;
1192	XIMStyles *xim_styles;	1247	XIMStyles *xim_styles;
1193	XVaNestedList preedit_attr, status_attr;	1248	#ifdef ENABLE_XIM_ONTHESPOT
		1249	XIMCallback xcb[4];
		1250	#endif
		1251
		1252	set_environ (envv);
1194		1253
1195	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1254	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1196	return false;	1255	return false;
1197		1256
1198	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1199	input_method = display->get_xim (locale, modifiers);	1257	input_method = display->get_xim (locale, modifiers);
1200	if (input_method == NULL)	1258	if (input_method == NULL)
1201	return false;	1259	return false;
1202		1260
1203	xim = input_method->xim;	1261	xim = input_method->xim;
		1262	spot.x = spot.y = -1;
1204		1263
1205	xim_styles = NULL;	1264	xim_styles = NULL;
1206	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1265	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1207	|| !xim_styles || !xim_styles->count_styles)	1266	|| !xim_styles || !xim_styles->count_styles)
1208	{	1267	{
1209	display->put_xim (input_method);	1268	im_destroy ();
1210	return false;	1269	return false;
1211	}	1270	}
1212		1271
1213	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1272	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1273
		1274	for (int pi = 0; pi < 2; pi++)
		1275	{
		1276	p = pet[pi];
		1277
		1278	if (!p)
		1279	continue;
		1280
1214	s = rxvt_splitcommastring (p);	1281	s = rxvt_splitcommastring (p);
		1282
1215	for (i = found = 0; !found && s[i]; i++)	1283	for (i = found = 0; !found && s[i]; i++)
1216	{	1284	{
1217	if (!STRCMP (s[i], "OverTheSpot"))	1285	if (!strcmp (s[i], "OverTheSpot"))
1218	input_style = (XIMPreeditPosition | XIMStatusNothing);	1286	input_style = XIMPreeditPosition | XIMStatusNothing;
1219	else if (!STRCMP (s[i], "OffTheSpot"))	1287	else if (!strcmp (s[i], "OffTheSpot"))
1220	input_style = (XIMPreeditArea | XIMStatusArea);	1288	input_style = XIMPreeditArea | XIMStatusArea;
1221	else if (!STRCMP (s[i], "Root"))	1289	else if (!strcmp (s[i], "Root"))
1222	input_style = (XIMPreeditNothing | XIMStatusNothing);	1290	input_style = XIMPreeditNothing | XIMStatusNothing;
		1291	else if (!strcmp (s[i], "None"))
		1292	input_style = XIMPreeditNone | XIMStatusNone;
		1293	#ifdef ENABLE_XIM_ONTHESPOT
		1294	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1295	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1296	#endif
		1297	else
		1298	input_style = XIMPreeditNothing | XIMStatusNothing;
1223		1299
1224	for (j = 0; j < xim_styles->count_styles; j++)	1300	for (j = 0; j < xim_styles->count_styles; j++)
1225	if (input_style == xim_styles->supported_styles[j])	1301	if (input_style == xim_styles->supported_styles[j])
1226	{	1302	{
		1303	rxvt_freecommastring (s);
		1304
1227	found = 1;	1305	found = 1;
1228	break;	1306	goto foundpet;
		1307	}
		1308
1229	}	1309	}
1230	}
1231		1310
1232	for (i = 0; s[i]; i++)	1311	rxvt_freecommastring (s);
1233	free (s[i]);	1312	}
1234		1313
1235	free (s);	1314	foundpet:
		1315
1236	XFree (xim_styles);	1316	XFree (xim_styles);
1237		1317
1238	if (!found)	1318	if (!found)
1239	{	1319	{
1240	display->put_xim (input_method);	1320	im_destroy ();
1241	return false;	1321	return false;
1242	}	1322	}
1243		1323
1244	preedit_attr = status_attr = NULL;	1324	XFontSet fs = 0;
		1325	XVaNestedList preedit_attr = 0, status_attr = 0;
		1326
		1327	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1328	{
		1329	// fake us a font-set, please
		1330	char **missing_charset_list;
		1331	int missing_charset_count;
		1332	char *def_string;
		1333	char pat[512];
		1334
		1335	sprintf (pat,
		1336	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1337	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1338	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1339	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1340	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1341	"*",
		1342	fheight,
		1343	fheight + 1, fheight - 1,
		1344	fheight - 2, fheight + 2);
		1345
		1346	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1347	&missing_charset_list, &missing_charset_count, &def_string);
		1348
		1349	if (missing_charset_list)
		1350	XFreeStringList (missing_charset_list);
		1351
		1352	if (!fs)
		1353	{
		1354	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1355	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1356	}
		1357	}
1245		1358
1246	if (input_style & XIMPreeditPosition)	1359	if (input_style & XIMPreeditPosition)
1247	{	1360	{
1248	im_set_size (&rect);	1361	im_set_size (rect);
1249	im_set_position (&spot);	1362	im_set_position (spot);
1250	im_set_color (&fg, &bg);	1363	im_set_color (fg, bg);
1251		1364
1252	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1365	preedit_attr = XVaCreateNestedList (0,
		1366	XNForeground, fg,
		1367	XNBackground, bg,
		1368	XNArea, &rect,
1253	XNSpotLocation, &spot,	1369	XNSpotLocation, &spot,
1254	XNForeground, fg, XNBackground, bg,
1255	//XNFontSet, TermWin.fontset,	1370	XNFontSet, fs,
1256	NULL);	1371	NULL);
1257	}	1372	}
1258	else if (input_style & XIMPreeditArea)	1373	else if (input_style & XIMPreeditArea)
1259	{	1374	{
1260	im_set_color (&fg, &bg);	1375	im_set_color (fg, bg);
1261		1376
1262	/*	1377	/*
1263	* The necessary width of preedit area is unknown	1378	* The necessary width of preedit area is unknown
1264	* until create input context.	1379	* until create input context.
1265	*/	1380	*/
1266	needed_rect.width = 0;	1381	needed_rect.width = 0;
1267
1268	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1382	im_set_preedit_area (rect, status_rect, needed_rect);
1269		1383
1270	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1384	preedit_attr = XVaCreateNestedList (0,
		1385	XNForeground, fg,
1271	XNForeground, fg, XNBackground, bg,	1386	XNBackground, bg,
		1387	XNArea, &rect,
		1388	XNFontSet, fs,
		1389	NULL);
		1390	status_attr = XVaCreateNestedList (0,
		1391	XNForeground, fg,
		1392	XNBackground, bg,
		1393	XNArea, &status_rect,
1272	//XNFontSet, TermWin.fontset,	1394	XNFontSet, fs,
1273	NULL);	1395	NULL);
1274	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,	1396	}
1275	XNForeground, fg, XNBackground, bg,	1397	#if ENABLE_XIM_ONTHESPOT
1276	//XNFontSet, TermWin.fontset,	1398	else if (input_style & XIMPreeditCallbacks)
		1399	{
		1400	im_set_position (spot);
		1401
		1402	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1403	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1404	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1405	# if 0
		1406	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1407	# endif
		1408
		1409	preedit_attr = XVaCreateNestedList (0,
		1410	XNSpotLocation, &spot,
		1411	XNPreeditStartCallback, &xcb[0],
		1412	XNPreeditDoneCallback , &xcb[1],
		1413	XNPreeditDrawCallback , &xcb[2],
		1414	# if 0
		1415	XNPreeditCaretCallback, &xcb[3],
		1416	# endif
1277	NULL);	1417	NULL);
1278	}	1418	}
		1419	#endif
1279		1420
1280	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1421	Input_Context = XCreateIC (xim,
		1422	XNInputStyle, input_style,
1281	XNClientWindow, TermWin.parent[0],	1423	XNClientWindow, vt,
1282	XNFocusWindow, TermWin.parent[0],	1424	XNFocusWindow, parent[0],
1283	preedit_attr ? XNPreeditAttributes : NULL,	1425	preedit_attr ? XNPreeditAttributes : NULL,
1284	preedit_attr,	1426	preedit_attr,
1285	status_attr ? XNStatusAttributes : NULL,	1427	status_attr ? XNStatusAttributes : NULL,
1286	status_attr, NULL);	1428	status_attr, NULL);
		1429
1287	if (preedit_attr) XFree (preedit_attr);	1430	if (preedit_attr) XFree (preedit_attr);
1288	if (status_attr) XFree (status_attr);	1431	if (status_attr) XFree (status_attr);
		1432	if (fs) XFreeFontSet (dpy, fs);
1289		1433
1290	if (Input_Context == NULL)	1434	if (Input_Context == NULL)
1291	{	1435	{
1292	rxvt_print_error ("failed to create input context");	1436	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1293	display->put_xim (input_method);	1437	im_destroy ();
1294	return false;	1438	return false;
1295	}	1439	}
1296		1440
1297	if (input_style & XIMPreeditArea)	1441	#if 0
		1442	// unfortunately, only the focus window is used by XIM, hard to fix
		1443	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1444	vt_select_input ();
		1445	#endif
		1446
1298	IMSetStatusPosition ();	1447	IMSetPosition ();
1299		1448
1300	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1301	return true;	1449	return true;
1302	}	1450	}
1303		1451
1304	void	1452	void
1305	rxvt_term::im_cb ()	1453	rxvt_term::im_cb ()
1306	{	1454	{
1307	int i, found, had_im;	1455	int i;
1308	const char *p;	1456	const char *p;
1309	char **s;	1457	char **s;
1310	char buf[IMBUFSIZ];	1458	char buf[IMBUFSIZ];
1311		1459
		1460	make_current ();
		1461
1312	im_destroy ();	1462	im_destroy ();
1313		1463
1314	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1315	if (Input_Context)	1464	if (Input_Context)
1316	return;	1465	return;
1317		1466
1318	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1467	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1319	if (rs[Rs_imLocale])	1468	if (rs[Rs_imLocale])
1320	setlocale (LC_CTYPE, rs[Rs_imLocale]);	1469	SET_LOCALE (rs[Rs_imLocale]);
1321	#endif	1470	#endif
1322		1471
1323	p = rs[Rs_inputMethod];	1472	p = rs[Rs_inputMethod];
1324	if (p && *p)	1473	if (p && *p)
1325	{	1474	{
1326	bool found = false;	1475	bool found = false;
1327		1476
1328	s = rxvt_splitcommastring (p);	1477	s = rxvt_splitcommastring (p);
		1478
1329	for (i = 0; s[i]; i++)	1479	for (i = 0; s[i]; i++)
1330	{	1480	{
1331	if (*s[i])	1481	if (*s[i])
1332	{	1482	{
1333	STRCPY (buf, "@im=");	1483	strcpy (buf, "@im=");
1334	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1484	strncat (buf, s[i], IMBUFSIZ - 5);
1335	if (IM_get_IC (buf))	1485	if (IM_get_IC (buf))
1336	{	1486	{
1337	found = true;	1487	found = true;
1338	break;	1488	break;
1339	}	1489	}
1340	}	1490	}
1341	}	1491	}
1342	for (i = 0; s[i]; i++)	1492
1343	free (s[i]);	1493	rxvt_freecommastring (s);
1344	free (s);
1345		1494
1346	if (found)	1495	if (found)
1347	goto done;	1496	goto done;
1348	}	1497	}
1349		1498
…		…
1356	goto done;	1505	goto done;
1357		1506
1358	done:	1507	done:
1359	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1508	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1360	if (rs[Rs_imLocale])	1509	if (rs[Rs_imLocale])
1361	setlocale (LC_CTYPE, locale);	1510	SET_LOCALE (locale);
1362	#endif	1511	#endif
1363	}	1512	}
1364		1513
1365	void	1514	void
1366	rxvt_term::IMSetStatusPosition ()	1515	rxvt_term::IMSetPosition ()
1367	{	1516	{
1368	XRectangle preedit_rect, status_rect, *needed_rect;	1517	XRectangle preedit_rect, status_rect, *needed_rect;
1369	XVaNestedList preedit_attr, status_attr;	1518	XVaNestedList preedit_attr, status_attr;
1370		1519
1371	if (Input_Context == NULL	1520	if (!Input_Context
1372	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1521	|| !focus
		1522	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1373	|| !IMisRunning ())	1523	|| !IMisRunning ())
1374	return;	1524	return;
1375		1525
		1526	if (input_style & XIMPreeditPosition)
		1527	{
		1528	im_set_size (preedit_rect);
		1529	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1530
		1531	XSetICValues (Input_Context,
		1532	XNPreeditAttributes, preedit_attr, NULL);
		1533	}
		1534	else
		1535	{
1376	/* Getting the necessary width of preedit area */	1536	/* Getting the necessary width of preedit area */
1377	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1537	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1378	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1538	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1379	XFree (status_attr);	1539	XFree (status_attr);
1380		1540
1381	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1541	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1542	XFree (needed_rect);
1382		1543
1383	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1544	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1384	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1545	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1385		1546
1386	XSetICValues (Input_Context,	1547	XSetICValues (Input_Context,
1387	XNPreeditAttributes, preedit_attr,	1548	XNPreeditAttributes, preedit_attr,
1388	XNStatusAttributes, status_attr, NULL);	1549	XNStatusAttributes, status_attr,
		1550	NULL);
1389		1551
		1552	XFree (status_attr);
		1553	}
		1554
1390	XFree (preedit_attr);	1555	XFree (preedit_attr);
1391	XFree (status_attr);
1392	}	1556	}
1393	#endif /* USE_XIM */	1557	#endif /* USE_XIM */
1394		1558
1395	/*----------------------------------------------------------------------*/	1559	void
1396	rxvt_t rxvt_current_term;	1560	rxvt_term::get_window_origin (int &x, int &y)
		1561	{
		1562	Window cr;
		1563	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1564	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1565	}
		1566
		1567	Pixmap
		1568	rxvt_term::get_pixmap_property (int prop_id)
		1569	{
		1570	if (prop_id > 0 && prop_id < NUM_XA)
		1571	if (xa[prop_id])
		1572	{
		1573	int aformat;
		1574	unsigned long nitems, bytes_after;
		1575	Atom atype;
		1576	unsigned char *prop = NULL;
		1577	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1578	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1579	&nitems, &bytes_after, &prop);
		1580	if (result == Success && prop && atype == XA_PIXMAP)
		1581	return *(Pixmap *)prop;
		1582	}
		1583
		1584	return None;
		1585	}
		1586
		1587	#ifdef HAVE_BG_PIXMAP
		1588	# if TRACE_PIXMAPS
		1589	# undef update_background
		1590	void
		1591	rxvt_term::trace_update_background (const char *file, int line)
		1592	{
		1593	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1594	update_background ();
		1595	}
		1596	# endif
		1597
		1598	void
		1599	rxvt_term::update_background ()
		1600	{
		1601	if (update_background_ev.is_active ())
		1602	return;
		1603
		1604	bgPixmap.invalidate ();
		1605
		1606	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1607
		1608	if (to_wait <= 0.)
		1609	bgPixmap.render ();
		1610	else
		1611	update_background_ev.start (to_wait);
		1612	}
		1613
		1614	void
		1615	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1616	{
		1617	make_current ();
		1618
		1619	update_background_ev.stop ();
		1620	bgPixmap.render ();
		1621	refresh_check ();
		1622	}
		1623
		1624	#endif /* HAVE_BG_PIXMAP */
1397		1625
1398	/*----------------------- end-of-file (C source) -----------------------*/	1626	/*----------------------- end-of-file (C source) -----------------------*/

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