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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.25 by pcg, Sat Jan 31 03:27:45 2004 UTC vs.
Revision 1.329 by sf-exg, Wed Jul 21 11:02:14 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) 2003-2008 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
		40	#include <cassert>
36	#include <signal.h>	41	#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>	42	#include <cstring>
47		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
48	static char curlocale[128];	60	static char curlocale[128], savelocale[128];
49		61
50	void	62	bool
51	rxvt_set_locale (const char *locale)	63	rxvt_set_locale (const char *locale) NOTHROW
52	{	64	{
53	if (locale && STRNCMP (locale, curlocale, 128))	65	int size = strlen (locale) + 1;
54	{	66
55	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);
56	setlocale (LC_CTYPE, curlocale);	74	setlocale (LC_CTYPE, curlocale);
57	}	75	return true;
58	}	76	}
59		77
60	void *	78	void
61	rxvt_term::operator new (size_t s)	79	rxvt_push_locale (const char *locale) NOTHROW
62	{	80	{
63	void *p = malloc (s);	81	strcpy (savelocale, curlocale);
		82	rxvt_set_locale (locale);
		83	}
64		84
65	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
66	return p;	150	return len;
67	}
68		151
69	void
70	rxvt_term::operator delete (void *p, size_t s)
71	{
72	free (p);
73	}	152	}
		153	#endif
74		154
75	rxvt_term::rxvt_term ()	155	rxvt_term::rxvt_term ()
76	:	156	{
		157	#if HAVE_BG_PIXMAP
		158	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		159	#endif
77	#ifdef CURSOR_BLINK	160	#ifdef CURSOR_BLINK
78	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);
79	#endif	162	#endif
80	#ifdef TEXT_BLINK	163	#ifdef TEXT_BLINK
81	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),
82	#endif	181	#endif
83	#ifdef POINTER_BLANK	182	#ifdef POINTER_BLANK
84	pointer_ev (this, &rxvt_term::pointer_cb),	183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
85	#endif	184	#endif
86	check_ev (this, &rxvt_term::check_cb),	185	#ifndef NO_BELL
87	destroy_ev (this, &rxvt_term::destroy_cb),	186	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
88	pty_ev (this, &rxvt_term::pty_cb),	187	#endif
89	x_ev (this, &rxvt_term::x_cb),	188	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
90	incr_ev (this, &rxvt_term::incr_cb)	189	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
91	{	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
92	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	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;
93	}	215	}
94		216
95	rxvt_term::~rxvt_term ()	217	rxvt_term::~rxvt_term ()
96	{	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
		245	#ifdef USE_XIM
		246	im_destroy ();
		247	#endif
		248	scrollBar.destroy ();
		249	if (gc) XFreeGC (dpy, gc);
		250
		251	delete drawable;
		252	// destroy all windows
		253	if (parent[0])
		254	XDestroyWindow (dpy, parent[0]);
		255
		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	}
		264
		265	clear ();
		266
		267	display->flush (); /* ideally .put should do this */
		268	displays.put (display);
		269	}
		270
97	scr_release ();	271	scr_release ();
98		272
		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(!)
		280	free (env_display);
		281	free (env_term);
99	free (locale);	282	free (locale);
100	free (codeset);	283	free (v_buffer);
		284	free (incr_buf);
101		285
102	#ifndef NO_SETOWNER_TTYDEV	286	delete envv;
103	privileged_ttydev (RESTORE);	287	delete argv;
104	#endif
105	#ifdef UTMP_SUPPORT
106	privileged_utmp (RESTORE);
107	#endif
108	#ifdef USE_XIM
109	if (Input_Context != NULL)
110	{
111	XDestroyIC (Input_Context);
112	Input_Context = NULL;
113	}
114	#endif
115		288
116	if (cmd_fd >= 0)	289	#ifdef KEYSYM_RESOURCE
117	close (cmd_fd);	290	delete keyboard;
		291	#endif
		292	#ifndef NO_RESOURCES
		293	XrmDestroyDatabase (option_db);
		294	#endif
		295	}
118		296
119	if (Xfd >= 0)	297	// child has exited, usually destroys
120	XCloseDisplay (Xdisplay);	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));
121		302
122	delete PixColors;	303	cmd_pid = 0;
		304
		305	if (!option (Opt_hold))
		306	destroy ();
123	}	307	}
124		308
125	void	309	void
126	rxvt_term::destroy ()	310	rxvt_term::destroy ()
127	{	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
		321	if (display)
		322	{
		323	#if USE_XIM
		324	im_ev.stop (display);
		325	#endif
		326	scrollbar_ev.stop (display);
		327	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		328	rootwin_ev.stop (display);
		329	#endif
		330	incr_ev.stop ();
		331	termwin_ev.stop (display);
		332	vt_ev.stop (display);
		333	}
		334
128	check_ev.stop ();	335	flush_ev.stop ();
129	pty_ev.stop ();	336	pty_ev.stop ();
130	x_ev.stop ();
131	#ifdef CURSOR_BLINK	337	#ifdef CURSOR_BLINK
132	cursor_blink_ev.stop ();	338	cursor_blink_ev.stop ();
133	#endif	339	#endif
134	#ifdef TEXT_BLINK	340	#ifdef TEXT_BLINK
135	text_blink_ev.stop ();	341	text_blink_ev.stop ();
136	#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
137	#ifdef POINTER_BLANK	349	#ifdef POINTER_BLANK
138	pointer_ev.stop ();	350	pointer_ev.stop ();
139	#endif	351	#endif
140		352
141	destroy_ev.start (0);	353	destroy_ev.start ();
142	}	354	}
143		355
144	void	356	void
145	rxvt_term::destroy_cb (time_watcher &w)	357	rxvt_term::destroy_cb (ev::idle &w, int revents)
146	{	358	{
147	SET_R (this);	359	make_current ();
148		360
149	delete this;	361	delete this;
150	}
151
152	/*----------------------------------------------------------------------*/
153	/* rxvt_init() */
154	/* LIBPROTO */
155	rxvt_t
156	rxvt_init (int argc, const char *const *argv)
157	{
158	SET_R (new rxvt_term);
159
160	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
161	{
162	delete GET_R;
163	SET_R (0);
164	}
165
166	return GET_R;
167	}
168
169	void
170	rxvt_init_signals ()
171	{
172	/* install exit handler for cleanup */
173	#if 0
174	#ifdef HAVE_ATEXIT
175	atexit(rxvt_clean_exit);
176	#else
177	#endif
178	#endif
179
180	struct sigaction sa;
181
182	sigfillset (&sa.sa_mask);
183	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
184	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
185	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
186	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
187	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
188	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
189	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
190
191	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
192	/* signal (SIGURG, SIG_DFL); */
193
194	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
195	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
196	}
197
198	bool
199	rxvt_term::init (int argc, const char *const *argv)
200	{
201	/*
202	* Save and then give up any super-user privileges
203	* If we need privileges in any area then we must specifically request it.
204	* We should only need to be root in these cases:
205	* 1. write utmp entries on some systems
206	* 2. chown tty on some systems
207	*/
208	privileges (SAVE);
209	privileges (IGNORE);
210
211	init_secondary ();
212
213	const char **cmd_argv = init_resources (argc, argv);
214
215	set_locale ("");
216
217	#if (MENUBAR_MAX)
218	menubar_read (rs[Rs_menu]);
219	#endif
220	#ifdef HAVE_SCROLLBARS
221	if (Options & Opt_scrollBar)
222	scrollBar.setIdle (); /* set existence for size calculations */
223	#endif
224
225	create_windows (argc, argv);
226
227	init_xlocale ();
228
229	scr_reset (); /* initialize screen */
230	#ifdef RXVT_GRAPHICS
231	Gr_reset (); /* reset graphics */
232	#endif
233
234	#if 0
235	#ifdef DEBUG_X
236	XSynchronize(Xdisplay, True);
237	#endif
238	#endif
239
240	#ifdef HAVE_SCROLLBARS
241	if (Options & Opt_scrollBar)
242	resize_scrollbar (); /* create and map scrollbar */
243	#endif
244	#if (MENUBAR_MAX)
245	if (menubar_visible(r))
246	XMapWindow (Xdisplay, menuBar.win);
247	#endif
248	#ifdef TRANSPARENT
249	if (Options & Opt_transparent)
250	{
251	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
252	check_our_parents ();
253	}
254	#endif
255	XMapWindow (Xdisplay, TermWin.vt);
256	XMapWindow (Xdisplay, TermWin.parent[0]);
257
258	init_env ();
259	init_command (cmd_argv);
260
261	x_ev.start (Xfd, EVENT_READ);
262	pty_ev.start (cmd_fd, EVENT_READ);
263
264	check_ev.start ();
265
266	process_x_events ();
267
268	return true;
269	}
270
271	/* ------------------------------------------------------------------------- *
272	* SIGNAL HANDLING & EXIT HANDLER *
273	* ------------------------------------------------------------------------- */
274	/*
275	* Catch a SIGCHLD signal and exit if the direct child has died
276	*/
277	/* ARGSUSED */
278	/* EXTPROTO */
279	RETSIGTYPE
280	rxvt_Child_signal(int sig __attribute__ ((unused)))
281	{
282	int pid, save_errno = errno;
283	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
284	;
285	errno = save_errno;
286
287	#if 0
288	if (pid == cmd_pid)
289	exit (EXIT_SUCCESS);
290	#endif
291	}
292
293	/*
294	* Catch a fatal signal and tidy up before quitting
295	*/
296	/* EXTPROTO */
297	RETSIGTYPE
298	rxvt_Exit_signal(int sig)
299	{
300	signal(sig, SIG_DFL);
301	#ifdef DEBUG_CMD
302	rxvt_print_error("signal %d", sig);
303	#endif
304	rxvt_clean_exit();
305	kill(getpid(), sig);
306	}
307
308	/* ARGSUSED */
309	/* EXTPROTO */
310	int
311	rxvt_xerror_handler(const Display * display
312	__attribute__ ((unused)), const XErrorEvent * event)
313	{
314	if (GET_R->allowedxerror == -1)
315	GET_R->allowedxerror = event->error_code;
316	else
317	{
318	rxvt_print_error("XError: Request: %d . %d, Error: %d",
319	event->request_code, event->minor_code,
320	event->error_code);
321
322	GET_R->destroy ();
323	}
324
325	return 0;
326	}	362	}
327		363
328	/*----------------------------------------------------------------------*/	364	/*----------------------------------------------------------------------*/
329	/*	365	/*
330	* Exit gracefully, clearing the utmp entry and restoring tty attributes	366	* Exit gracefully, clearing the utmp entry and restoring tty attributes
331	* 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
332	*/	368	*/
333	/* EXTPROTO */	369	static XErrorHandler old_xerror_handler;
334	void
335	rxvt_clean_exit ()
336	{
337	GET_R->destroy ();
338	}
339		370
340	/* ------------------------------------------------------------------------- *	371	static void
341	* MEMORY ALLOCATION WRAPPERS *	372	rxvt_emergency_cleanup ()
342	* ------------------------------------------------------------------------- */
343	/* EXTPROTO */
344	void *
345	rxvt_malloc(size_t size)
346	{	373	{
347	void *p;	374	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
348		375	(*t)->emergency_cleanup ();
349	p = malloc(size);
350	if (p)
351	return p;
352
353	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
354	rxvt_clean_exit();
355	exit(EXIT_FAILURE);
356	/* NOTREACHED */
357	}	376	}
358		377
359	/* EXTPROTO */	378	#if !ENABLE_MINIMAL
360	void *	379	static void
361	rxvt_calloc(size_t number, size_t size)	380	print_x_error (Display *dpy, XErrorEvent *event)
362	{	381	{
363	void *p;	382	char buffer[BUFSIZ];
364		383	char mesg[BUFSIZ];
365	p = calloc(number, size);	384	char number[32];
366	if (p)	385	char *mtype = "XlibMessage";
367	return p;	386	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
368		387	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
369	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	388	rxvt_warn ("An X Error occured, trying to continue after report.\n");
370	rxvt_clean_exit();	389	rxvt_warn ("%s: %s\n", mesg, buffer);
371	exit(EXIT_FAILURE);	390	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
372	/* NOTREACHED */	391	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
373	}	392	sprintf(number, "%d", event->request_code);
374		393	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
375	/* EXTPROTO */	394	rxvt_warn ("(which is %s)\n", buffer);
376	void *	395	if (event->request_code >= 128) {
377	rxvt_realloc(void *ptr, size_t size)	396	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
378	{	397	mesg, BUFSIZ);
379	void *p;	398	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
380
381	if (ptr)
382	p = realloc(ptr, size);
383	else
384	p = malloc(size);
385	if (p)
386	return p;
387
388	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
389	rxvt_clean_exit();
390	exit(EXIT_FAILURE);
391	/* NOTREACHED */
392	}
393
394	/* ------------------------------------------------------------------------- *
395	* PRIVILEGED OPERATIONS *
396	* ------------------------------------------------------------------------- */
397	/* take care of suid/sgid super-user (root) privileges */
398	void
399	rxvt_term::privileges (int mode)
400	{
401	#if ! defined(__CYGWIN32__)
402	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
403	/* setreuid() is the poor man's setuid(), seteuid() */
404	# define seteuid(a) setreuid(-1, (a))
405	# define setegid(a) setregid(-1, (a))
406	# define HAVE_SETEUID
407	# endif
408	# ifdef HAVE_SETEUID
409	switch (mode) {
410	case IGNORE:
411	/*
412	* change effective uid/gid - not real uid/gid - so we can switch
413	* back to root later, as required
414	*/
415	seteuid(getuid());
416	setegid(getgid());
417	break;
418	case SAVE:
419	euid = geteuid();
420	egid = getegid();
421	break;
422	case RESTORE:
423	seteuid(euid);
424	setegid(egid);
425	break;
426	}	399	}
427	# else	400	if ((event->error_code == BadWindow) ||
428	switch (mode) {	401	(event->error_code == BadPixmap) ||
429	case IGNORE:	402	(event->error_code == BadCursor) ||
430	setuid(getuid());	403	(event->error_code == BadFont) ||
431	setgid(getgid());	404	(event->error_code == BadDrawable) ||
432	/* FALLTHROUGH */	405	(event->error_code == BadColor) ||
433	case SAVE:	406	(event->error_code == BadGC) ||
434	/* FALLTHROUGH */	407	(event->error_code == BadIDChoice) ||
435	case RESTORE:	408	(event->error_code == BadValue) ||
436	break;	409	(event->error_code == BadAtom)) {
437	}	410	if (event->error_code == BadValue)
438	# endif	411	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
439	#endif	412	mesg, BUFSIZ);
440	}	413	else if (event->error_code == BadAtom)
441		414	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
442	#ifdef UTMP_SUPPORT	415	mesg, BUFSIZ);
443	void
444	rxvt_term::privileged_utmp (char action)
445	{
446	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
447	action, next_utmp_action, getpid()));
448	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
449	|| (Options & Opt_utmpInhibit)
450	|| ttydev == NULL || *ttydev == '\0')
451	return;
452
453	privileges (RESTORE);
454	if (action == SAVE) {
455	next_utmp_action = RESTORE;
456	makeutent (ttydev, rs[Rs_display_name]);
457	} else { /* action == RESTORE */
458	next_utmp_action = IGNORE;
459	cleanutent ();
460	}
461	privileges (IGNORE);
462	}
463	#endif
464
465	#ifndef NO_SETOWNER_TTYDEV
466	void
467	rxvt_term::privileged_ttydev (char action)
468	{
469	D_MAIN((stderr,
470	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
471	action, next_tty_action, getpid()));
472	if (next_tty_action != action || (action != SAVE && action != RESTORE)
473	|| ttydev == NULL || *ttydev == '\0')
474	return;
475
476	privileges (RESTORE);
477
478	if (action == SAVE) {
479	next_tty_action = RESTORE;
480	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
481	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
482	if (lstat(ttydev, &ttyfd_stat) < 0) /* you lose out */
483	next_tty_action = IGNORE;
484	else	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);
		424	}
485	# endif	425	#endif
486	{	426
487	chown(ttydev, getuid(), ttygid); /* fail silently */	427	int
488	chmod(ttydev, ttymode);	428	rxvt_xerror_handler (Display *display, XErrorEvent *event)
489	# ifdef HAVE_REVOKE	429	{
490	revoke(ttydev);	430	if (GET_R->allowedxerror == -1)
		431	GET_R->allowedxerror = event->error_code;
		432	else
		433	{
		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);
491	# endif	440	#endif
492	}	441	}
493	} else { /* action == RESTORE */	442
494	next_tty_action = IGNORE;	443	return 0;
495	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	444	}
496	chmod(ttydev, ttyfd_stat.st_mode);	445
497	chown(ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);	446	int
498	# else	447	rxvt_xioerror_handler (Display *display)
499	chmod(ttydev,	448	{
500	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));	449	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
501	chown(ttydev, 0, 0);	450	DisplayString (display));
502	# endif	451	rxvt_emergency_cleanup ();
		452	_exit (EXIT_FAILURE);
		453	}
		454
		455	static struct sig_handlers
		456	{
		457	ev::sig sw_term, sw_int;
		458
		459	/*
		460	* Catch a fatal signal and tidy up before quitting
		461	*/
		462	void sig_term (ev::sig &w, int revents);
		463
		464	sig_handlers ()
		465	{
		466	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		467	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
503	}	468	}
		469	} sig_handlers;
504		470
505	privileges (IGNORE);	471	void
506		472	sig_handlers::sig_term (ev::sig &w, int revents)
507	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	473	{
508	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	474	rxvt_emergency_cleanup ();
509	action == RESTORE ? "Restoring" : (action ==	475	w.stop ();
510	SAVE ? "Saving" :	476	kill (getpid (), w.signum);
511	"UNKNOWN ERROR for"), ttydev,
512	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
513	ttyfd_stat.st_gid));
514	# endif
515	}	477	}
516	#endif	478
		479	char **rxvt_environ; // startup environment
		480
		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))));
		486
		487	ptytty::init ();
		488
		489	if (!ev_default_loop (0))
		490	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		491
		492	rxvt_environ = environ;
		493
		494	signal (SIGHUP, SIG_IGN);
		495	signal (SIGPIPE, SIG_IGN);
		496
		497	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		498	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		499
		500	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		501	// TODO: handle this with exceptions and tolerate the memory loss
		502	XSetIOErrorHandler (rxvt_xioerror_handler);
		503
		504	XrmInitialize ();
		505	}
517		506
518	/*----------------------------------------------------------------------*/	507	/*----------------------------------------------------------------------*/
519	/*	508	/*
520	* window size/position calculcations for XSizeHint and other storage.	509	* window size/position calculations for XSizeHint and other storage.
521	* if width/height are non-zero then override calculated width/height	510	* if width/height are non-zero then override calculated width/height
522	*/	511	*/
523	void	512	void
524	rxvt_term::window_calc (unsigned int width, unsigned int height)	513	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
525	{	514	{
526	short recalc_x, recalc_y;	515	short recalc_x, recalc_y;
527	int x, y, sb_w, mb_h, flags;	516	int x, y, flags;
528	unsigned int w, h;	517	unsigned int w, h;
529	unsigned int max_width, max_height;	518	unsigned int max_width, max_height;
530		519
531	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
532	TermWin.ncol, TermWin.nrow, szHint.width,
533	szHint.height));
534	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	520	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
535	szHint.win_gravity = NorthWestGravity;	521	szHint.win_gravity = NorthWestGravity;
536	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	522	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
537		523
538	recalc_x = recalc_y = 0;	524	recalc_x = recalc_y = 0;
539	flags = 0;	525	flags = 0;
		526
540	if (!parsed_geometry) {	527	if (!parsed_geometry)
		528	{
541	parsed_geometry = 1;	529	parsed_geometry = 1;
		530
542	if (rs[Rs_geometry])	531	if (rs[Rs_geometry])
543	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	532	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		533
544	if (flags & WidthValue) {	534	if (flags & WidthValue)
545	TermWin.ncol = BOUND_POSITIVE_INT16(w);	535	{
		536	if (!w)
		537	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		538
		539	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
546	szHint.flags |= USSize;	540	szHint.flags |= USSize;
547	}	541	}
		542
548	if (flags & HeightValue) {	543	if (flags & HeightValue)
549	TermWin.nrow = BOUND_POSITIVE_INT16(h);	544	{
		545	if (!h)
		546	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		547
		548	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
550	szHint.flags |= USSize;	549	szHint.flags |= USSize;
551	}	550	}
		551
552	if (flags & XValue) {	552	if (flags & XValue)
		553	{
553	szHint.x = x;	554	szHint.x = x;
554	szHint.flags |= USPosition;	555	szHint.flags |= USPosition;
		556
555	if (flags & XNegative) {	557	if (flags & XNegative)
		558	{
556	recalc_x = 1;	559	recalc_x = 1;
557	szHint.win_gravity = NorthEastGravity;	560	szHint.win_gravity = NorthEastGravity;
558	}	561	}
559	}	562	}
		563
560	if (flags & YValue) {	564	if (flags & YValue)
		565	{
561	szHint.y = y;	566	szHint.y = y;
562	szHint.flags |= USPosition;	567	szHint.flags |= USPosition;
		568
563	if (flags & YNegative) {	569	if (flags & YNegative)
		570	{
564	recalc_y = 1;	571	recalc_y = 1;
		572
565	if (szHint.win_gravity == NorthEastGravity)	573	if (szHint.win_gravity == NorthEastGravity)
566	szHint.win_gravity = SouthEastGravity;	574	szHint.win_gravity = SouthEastGravity;
567	else	575	else
568	szHint.win_gravity = SouthWestGravity;	576	szHint.win_gravity = SouthWestGravity;
569	}	577	}
570	}	578	}
571	}	579	}
		580
572	/* TODO: BOUNDS */	581	/* TODO: BOUNDS */
573	TermWin.width = TermWin.ncol * TermWin.fwidth;	582	width = ncol * fwidth;
574	TermWin.height = TermWin.nrow * TermWin.fheight;	583	height = nrow * fheight;
575	max_width = MAX_COLS * TermWin.fwidth;	584	max_width = MAX_COLS * fwidth;
576	max_height = MAX_ROWS * TermWin.fheight;	585	max_height = MAX_ROWS * fheight;
577		586
578	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	587	szHint.base_width = szHint.base_height = 2 * int_bwidth;
579		588
580	sb_w = mb_h = 0;
581	window_vt_x = window_vt_y = 0;	589	window_vt_x = window_vt_y = int_bwidth;
582	if (scrollbar_visible ()) {	590
		591	if (scrollBar.state)
		592	{
583	sb_w = scrollbar_TotalWidth();	593	int sb_w = scrollBar.total_width ();
584	szHint.base_width += sb_w;	594	szHint.base_width += sb_w;
		595
585	if (!(Options & Opt_scrollBar_right))	596	if (!option (Opt_scrollBar_right))
586	window_vt_x = sb_w;	597	window_vt_x += sb_w;
587	}	598	}
588	if (menubar_visible ()) {	599
589	mb_h = menuBar_TotalHeight();
590	szHint.base_height += mb_h;
591	window_vt_y = mb_h;
592	}
593	szHint.width_inc = TermWin.fwidth;	600	szHint.width_inc = fwidth;
594	szHint.height_inc = TermWin.fheight;	601	szHint.height_inc = fheight;
595	szHint.min_width = szHint.base_width + szHint.width_inc;	602	szHint.min_width = szHint.base_width + szHint.width_inc;
596	szHint.min_height = szHint.base_height + szHint.height_inc;	603	szHint.min_height = szHint.base_height + szHint.height_inc;
597		604
598	if (width && width - szHint.base_width < max_width) {	605	if (newwidth && newwidth - szHint.base_width < max_width)
		606	{
599	szHint.width = width;	607	szHint.width = newwidth;
600	TermWin.width = width - szHint.base_width;	608	width = newwidth - szHint.base_width;
601	} else {	609	}
602	MIN_IT(TermWin.width, max_width);	610	else
		611	{
		612	min_it (width, max_width);
603	szHint.width = szHint.base_width + TermWin.width;	613	szHint.width = szHint.base_width + width;
604	}	614	}
		615
605	if (height && height - szHint.base_height < max_height) {	616	if (newheight && newheight - szHint.base_height < max_height)
		617	{
606	szHint.height = height;	618	szHint.height = newheight;
607	TermWin.height = height - szHint.base_height;	619	height = newheight - szHint.base_height;
608	} else {	620	}
		621	else
		622	{
609	MIN_IT(TermWin.height, max_height);	623	min_it (height, max_height);
610	szHint.height = szHint.base_height + TermWin.height;	624	szHint.height = szHint.base_height + height;
611	}	625	}
612	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
613	window_sb_x = szHint.width - sb_w;
614		626
615	if (recalc_x)	627	if (recalc_x)
616	szHint.x += (DisplayWidth (Xdisplay, DefaultScreen (Xdisplay))	628	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
617	- szHint.width - 2 * TermWin.ext_bwidth);	629
618	if (recalc_y)	630	if (recalc_y)
619	szHint.y += (DisplayHeight (Xdisplay, DefaultScreen (Xdisplay))	631	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
620	- szHint.height - 2 * TermWin.ext_bwidth);
621		632
622	TermWin.ncol = TermWin.width / TermWin.fwidth;	633	ncol = width / fwidth;
623	TermWin.nrow = TermWin.height / TermWin.fheight;	634	nrow = height / fheight;
624	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
625	TermWin.ncol, TermWin.nrow, szHint.width,
626	szHint.height));
627	return;
628	}	635	}
629		636
630	/*----------------------------------------------------------------------*/	637	/*----------------------------------------------------------------------*/
631	/*	638	/*
632	* Tell the teletype handler what size the window is.	639	* Tell the teletype handler what size the window is.
633	* Called after a window size change.	640	* Called after a window size change.
634	*/	641	*/
635	void	642	void
636	rxvt_term::tt_winch ()	643	rxvt_term::tt_winch ()
637	{	644	{
		645	if (pty->pty < 0)
		646	return;
		647
638	struct winsize ws;	648	struct winsize ws;
639		649
640	if (cmd_fd < 0)
641	return;
642
643	ws.ws_col = TermWin.ncol;	650	ws.ws_col = ncol;
644	ws.ws_row = TermWin.nrow;	651	ws.ws_row = nrow;
645	ws.ws_xpixel = ws.ws_ypixel = 0;	652	ws.ws_xpixel = width;
646	#ifndef DEBUG_SIZE	653	ws.ws_ypixel = height;
647	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	654	ioctl (pty->pty, TIOCSWINSZ, &ws);
648	#else	655
649	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	656	#if 0
650	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	657	// TIOCSWINSZ is supposed to do this automatically and correctly
651	# ifdef SIGWINCH
652	else if (cmd_pid) /* force through to the command */	658	if (cmd_pid) /* force through to the command */
653	kill (cmd_pid, SIGWINCH);	659	kill (-cmd_pid, SIGWINCH);
654	# endif
655	#endif	660	#endif
656	}	661	}
657		662
658	/*----------------------------------------------------------------------*/	663	/*----------------------------------------------------------------------*/
659	/* rxvt_change_font() - Switch to a new font */	664	/* set_fonts () - load and set the various fonts
660	/*	665	*
661	* init = 1 - initialize	666	* init = 1 - initialize
662	*	667	*
663	* fontname == FONT_UP - switch to bigger font	668	* fontname == FONT_UP - switch to bigger font
664	* fontname == FONT_DN - switch to smaller font	669	* fontname == FONT_DN - switch to smaller font
665	*/	670	*/
666	void	671	bool
667	rxvt_term::change_font (int init, const char *fontname)	672	rxvt_term::set_fonts ()
668	{	673	{
669	}	674	rxvt_fontset *fs = new rxvt_fontset (this);
		675	rxvt_fontprop prop;
670		676
		677	if (!fs
		678	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		679	|| !fs->realize_font (1))
		680	{
		681	delete fs;
		682	return false;
		683	}
		684
		685	#if ENABLE_STYLES
		686	for (int i = RS_styleCount; --i; )
		687	if (fontset[i] != fontset[0])
		688	delete fontset[i];
		689	#endif
		690
		691	delete fontset[0];
		692	fontset[0] = fs;
		693
		694	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		695	prop.height += lineSpace;
		696	prop.width += letterSpace;
		697
		698	fs->set_prop (prop, false);
		699
		700	fwidth = prop.width;
		701	fheight = prop.height;
		702	fbase = prop.ascent;
		703
		704	for (int style = 1; style < 4; style++)
		705	{
		706	#if ENABLE_STYLES
		707	const char *res = rs[Rs_font + style];
		708
		709	if (res && !*res)
		710	fontset[style] = fontset[0];
		711	else
		712	{
		713	fontset[style] = fs = new rxvt_fontset (this);
		714	rxvt_fontprop prop2 = prop;
		715
		716	if (res)
		717	{
		718	fs->populate (res);
		719	fs->set_prop (prop2, false);
		720	}
		721	else
		722	{
		723	fs->populate (fontset[0]->fontdesc);
		724
		725	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		726	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		727
		728	fs->set_prop (prop2, true);
		729	}
		730
		731	}
		732	#else
		733	fontset[style] = fontset[0];
		734	#endif
		735	}
		736
		737	if (parent[0])
		738	{
		739	resize_all_windows (0, 0, 0);
		740	scr_remap_chars ();
		741	scr_touch (true);
		742	}
		743
		744	return true;
		745	}
		746
671	void	747	void
672	rxvt_term::font_up_down (int n, int direction)	748	rxvt_term::set_string_property (Atom prop, const char *str, int len)
673	{	749	{
		750	XChangeProperty (dpy, parent[0],
		751	prop, XA_STRING, 8, PropModeReplace,
		752	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		753	}
		754
		755	void
		756	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		757	{
		758	XTextProperty ct;
		759
		760	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		761	{
		762	XSetTextProperty (dpy, parent[0], &ct, prop);
		763	XFree (ct.value);
		764	}
		765	}
		766
		767	void
		768	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		769	{
		770	wchar_t *ws = rxvt_mbstowcs (str, len);
		771	char *s = rxvt_wcstoutf8 (ws);
		772
		773	XChangeProperty (dpy, parent[0],
		774	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		775	(const unsigned char *)s, strlen (s));
		776
		777	free (s);
		778	free (ws);
674	}	779	}
675		780
676	/*----------------------------------------------------------------------*/	781	/*----------------------------------------------------------------------*/
677	/*----------------------------------------------------------------------*/	782	/*----------------------------------------------------------------------*/
678	/* xterm sequences - title, iconName, color (exptl) */	783	/* xterm sequences - title, iconName, color (exptl) */
679	void	784	void
680	rxvt_term::set_title (const char *str)	785	rxvt_term::set_title (const char *str)
681	{	786	{
682	#ifndef SMART_WINDOW_TITLE	787	set_mbstring_property (XA_WM_NAME, str);
683	XStoreName(Xdisplay, TermWin.parent[0], str);	788	#if ENABLE_EWMH
684	#else	789	set_utf8_property (xa[XA_NET_WM_NAME], str);
685	char *name;
686
687	if (XFetchName(Xdisplay, TermWin.parent[0], &name) == 0)
688	name = NULL;
689	if (name == NULL || STRCMP(name, str))
690	XStoreName(Xdisplay, TermWin.parent[0], str);
691	if (name)
692	XFree(name);
693	#endif	790	#endif
694	}	791	}
695		792
696	void	793	void
697	rxvt_term::set_iconName (const char *str)	794	rxvt_term::set_icon_name (const char *str)
698	{	795	{
699	#ifndef SMART_WINDOW_TITLE	796	set_mbstring_property (XA_WM_ICON_NAME, str);
700	XSetIconName(Xdisplay, TermWin.parent[0], str);	797	#if ENABLE_EWMH
701	#else	798	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
702	char *name;
703
704	if (XGetIconName(Xdisplay, TermWin.parent[0], &name))
705	name = NULL;
706	if (name == NULL || STRCMP(name, str))
707	XSetIconName(Xdisplay, TermWin.parent[0], str);
708	if (name)
709	XFree(name);
710	#endif	799	#endif
711	}	800	}
712		801
		802	void
		803	rxvt_term::set_window_color (int idx, const char *color)
		804	{
713	#ifdef XTERM_COLOR_CHANGE	805	#ifdef XTERM_COLOR_CHANGE
714	void
715	rxvt_term::set_window_color (int idx, const char *color)
716	{
717	rxvt_color xcol;	806	rxvt_color xcol;
718	int i;
719		807
720	if (color == NULL || *color == '\0')	808	if (color == NULL || *color == '\0')
721	return;	809	return;
722		810
		811	color = strdup (color);
		812	allocated.push_back ((void *)color);
		813	rs[Rs_color + idx] = color;
		814
723	/* handle color aliases */	815	/* handle color aliases */
724	if (isdigit(*color)) {	816	if (isdigit (*color))
		817	{
725	i = atoi(color);	818	int i = atoi (color);
726	if (i >= 8 && i <= 15) { /* bright colors */	819
727	i -= 8;	820	if (i >= 8 && i <= 15)
728	# ifndef NO_BRIGHTCOLOR	821	{
		822	/* bright colors */
729	PixColors[idx] = PixColors[minBrightCOLOR + i];	823	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
730	SET_PIXCOLOR(idx);
731	goto Done;	824	goto done;
732	# endif
733	}	825	}
734	if (i >= 0 && i <= 7) { /* normal colors */	826
		827	if (i >= 0 && i <= 7)
		828	{
		829	/* normal colors */
735	PixColors[idx] = PixColors[minCOLOR + i];	830	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
736	SET_PIXCOLOR(idx);
737	goto Done;	831	goto done;
738	}	832	}
739	}	833	}
740	if (!rXParseAllocColor (& xcol, color))
741	return;
742	/* XStoreColor (Xdisplay, XCMAP, XColor*); */
743		834
744	/*	835	set_color (xcol, color);
		836
		837	/*
745	* FIXME: should free colors here, but no idea how to do it so instead,	838	* FIXME: should free colors here, but no idea how to do it so instead,
746	* so just keep gobbling up the colormap	839	* so just keep gobbling up the colormap
747	*/	840	*/
748	# if 0
749	for (i = Color_Black; i <= Color_White; i++)
750	if (PixColors[idx] == PixColors[i])
751	break;
752	if (i > Color_White) {
753	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
754	XFreeColors(Xdisplay, XCMAP, (PixColors + idx), 1,
755	DisplayPlanes(Xdisplay, Xscreen));
756	}
757	# endif
758		841
759	PixColors[idx] = xcol;	842	pix_colors_focused[idx] = xcol;
760	SET_PIXCOLOR(idx);
761		843
762	/* XSetWindowAttributes attr; */	844	done:
763	/* Cursor cursor; */
764	Done:
765	if (idx == Color_bg && !(Options & Opt_transparent))
766	XSetWindowBackground(Xdisplay, TermWin.vt,
767	PixColors[Color_bg]);
768
769	/* handle Color_BD, scrollbar background, etc. */	845	/*TODO: handle Color_BD, scrollbar background, etc. */
770		846
771	set_colorfgbg ();	847	update_fade_color (idx);
772	recolour_cursor ();	848	recolour_cursor ();
773	/* the only reasonable way to enforce a clean update */	849	scr_recolour ();
774	scr_poweron ();	850	#endif /* XTERM_COLOR_CHANGE */
775	}	851	}
776
777	#else
778	# define set_window_color (idx,color) ((void)0)
779	#endif /* XTERM_COLOR_CHANGE */
780		852
781	void	853	void
782	rxvt_term::recolour_cursor ()	854	rxvt_term::recolour_cursor ()
783	{	855	{
784	#if TODO	856	XColor fg, bg;
785	rxvt_color xcol[2];
786		857
787	xcol[0] = PixColors[Color_pointer];	858	(ISSET_PIXCOLOR (Color_pointer_fg)
788	xcol[1] = PixColors[Color_bg];	859	? pix_colors_focused[Color_pointer_fg]
789	XQueryColors (Xdisplay, XCMAP, xcol, 2);	860	: pix_colors_focused[Color_fg]).get (fg);
		861
		862	(ISSET_PIXCOLOR (Color_pointer_bg)
		863	? pix_colors_focused[Color_pointer_bg]
		864	: pix_colors_focused[Color_bg]).get (bg);
		865
790	XRecolorCursor (Xdisplay, TermWin_cursor, &(xcol[0]), &(xcol[1]));	866	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
791	#endif
792	}	867	}
793		868
794	/*----------------------------------------------------------------------*/	869	/*----------------------------------------------------------------------*/
795	/*	870	/*
796	* find if fg/bg matches any of the normal (low-intensity) colors	871	* find if fg/bg matches any of the normal (low-intensity) colors
797	*/	872	*/
798	void	873	void
799	rxvt_term::set_colorfgbg ()	874	rxvt_term::set_colorfgbg ()
800	{	875	{
801	unsigned int i;	876	unsigned int i;
802	const char *xpmb = "\0";	877	const char *xpmb = "";
803	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	878	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
804		879
805	env_colorfgbg =	880	strcpy (fstr, "default");
806	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	881	strcpy (bstr, "default");
807	STRCPY(fstr, "default");
808	STRCPY(bstr, "default");
809	for (i = Color_Black; i <= Color_White; i++)	882	for (i = Color_Black; i <= Color_White; i++)
810	if (PixColors[Color_fg] == PixColors[i]) {	883	if (pix_colors[Color_fg] == pix_colors[i])
		884	{
811	sprintf(fstr, "%d", (i - Color_Black));	885	sprintf (fstr, "%d", (i - Color_Black));
812	break;	886	break;
813	}	887	}
		888
814	for (i = Color_Black; i <= Color_White; i++)	889	for (i = Color_Black; i <= Color_White; i++)
815	if (PixColors[Color_bg] == PixColors[i]) {	890	if (pix_colors[Color_bg] == pix_colors[i])
		891	{
816	sprintf(bstr, "%d", (i - Color_Black));	892	sprintf (bstr, "%d", (i - Color_Black));
817	#ifdef XPM_BACKGROUND	893	#ifdef BG_IMAGE_FROM_FILE
818	xpmb = "default;";	894	xpmb = "default;";
819	#endif	895	#endif
820	break;	896	break;
821	}	897	}
		898
822	sprintf(env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	899	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
823	putenv(env_colorfgbg);
824
825	#ifndef NO_BRIGHTCOLOR
826	colorfgbg = DEFAULT_RSTYLE;
827	for (i = minCOLOR; i <= maxCOLOR; i++) {
828	if (PixColors[Color_fg] == PixColors[i])
829	colorfgbg = SET_FGCOLOR(colorfgbg, i);
830	if (PixColors[Color_bg] == PixColors[i])
831	colorfgbg = SET_BGCOLOR(colorfgbg, i);
832	}
833	#endif
834	}	900	}
835		901
836	/*----------------------------------------------------------------------*/	902	/*----------------------------------------------------------------------*/
837	/*
838	* Colour determination for low colour displays, routine from
839	* Hans de Goede <hans@highrise.nl>
840	*/
841		903
842	int	904	bool
843	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	905	rxvt_term::set_color (rxvt_color &color, const char *name)
844	{	906	{
845	if (!screen_in_out->set (this, colour)) {	907	if (color.set (this, name))
846	rxvt_print_error("can't allocate colour: %s", colour);
847	return false;
848	}
849
850	return true;	908	return true;
		909
		910	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		911	return false;
		912	}
		913
		914	void
		915	rxvt_term::alias_color (int dst, int src)
		916	{
		917	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
851	}	918	}
852		919
853	/* -------------------------------------------------------------------- *	920	/* -------------------------------------------------------------------- *
854	* - WINDOW RESIZING - *	921	* - WINDOW RESIZING - *
855	* -------------------------------------------------------------------- */	922	* -------------------------------------------------------------------- */
856	void	923	void
857	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	924	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
858	{	925	{
859	int fix_screen;	926	int fix_screen;
		927	int old_width = szHint.width;
		928	int old_height = szHint.height;
860		929
861	#ifdef SMART_RESIZE
862	int old_width = szHint.width, old_height = szHint.height;
863	#endif
864
865	window_calc (width, height);	930	window_calc (newwidth, newheight);
		931
		932	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		933
		934	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		935	if (set_hint)
		936	{
		937	szHint.flags &= ~(PBaseSize | PResizeInc);
866	XSetWMNormalHints (Xdisplay, TermWin.parent[0], &szHint);	938	XSetWMNormalHints (dpy, parent[0], &szHint);
		939	szHint.flags |= PBaseSize | PResizeInc;
		940	}
		941
867	if (!ignoreparent)	942	if (!ignoreparent)
868	{	943	{
869	#ifdef SMART_RESIZE	944	#ifdef SMART_RESIZE
870	/*	945	/*
871	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	946	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
874	int x, y, x1, y1;	949	int x, y, x1, y1;
875	int dx, dy;	950	int dx, dy;
876	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	951	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
877	Window unused_cr;	952	Window unused_cr;
878		953
879	XTranslateCoordinates (Xdisplay, TermWin.parent[0], Xroot,	954	XTranslateCoordinates (dpy, parent[0], display->root,
880	0, 0, &x, &y, &unused_cr);	955	0, 0, &x, &y, &unused_cr);
881	XGetGeometry (Xdisplay, TermWin.parent[0], &unused_cr, &x1, &y1,	956	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
882	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	957	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
883	/*	958	/*
884	* if Xroot isn't the parent window, a WM will probably have offset	959	* if display->root isn't the parent window, a WM will probably have offset
885	* our position for handles and decorations. Counter it	960	* our position for handles and decorations. Counter it
886	*/	961	*/
887	if (x1 != x || y1 != y) {	962	if (x1 != x || y1 != y)
		963	{
888	x -= x1;	964	x -= x1;
889	y -= y1;	965	y -= y1;
890	}	966	}
891		967
892	x1 = (DisplayWidth (Xdisplay, Xscreen) - old_width) / 2;	968	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
893	y1 = (DisplayHeight (Xdisplay, Xscreen) - old_height) / 2;	969	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
894	dx = old_width - szHint.width;	970	dx = old_width - szHint.width;
895	dy = old_height - szHint.height;	971	dy = old_height - szHint.height;
896		972
897	/* Check position of the center of the window */	973	/* Check position of the center of the window */
898	if (x < x1) /* left half */	974	if (x < x1) /* left half */
899	dx = 0;	975	dx = 0;
900	else if (x == x1) /* exact center */	976	else if (x == x1) /* exact center */
901	dx /= 2;	977	dx /= 2;
902	if (y < y1) /* top half */	978	if (y < y1) /* top half */
903	dy = 0;	979	dy = 0;
904	else if (y == y1) /* exact center */	980	else if (y == y1) /* exact center */
905	dy /= 2;	981	dy /= 2;
906		982
907	XMoveResizeWindow (Xdisplay, TermWin.parent[0], x + dx, y + dy,	983	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
908	szHint.width, szHint.height);	984	szHint.width, szHint.height);
909	#else	985	#else
910	XResizeWindow (Xdisplay, TermWin.parent[0], szHint.width,	986	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
911	szHint.height);
912	#endif	987	#endif
913	}	988	}
914		989
915	fix_screen = (TermWin.ncol != prev_ncol	990	if (set_hint)
916	|| TermWin.nrow != prev_nrow);	991	XSetWMNormalHints (dpy, parent[0], &szHint);
917		992
		993	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		994
918	if (fix_screen || width != old_width || height != old_height)	995	if (fix_screen || newwidth != old_width || newheight != old_height)
919	{	996	{
920	if (scrollbar_visible ())	997	if (scrollBar.state)
921	{	998	scrollBar.resize ();
922	XMoveResizeWindow (Xdisplay, scrollBar.win, window_sb_x,
923	0, scrollbar_TotalWidth (), szHint.height);
924	resize_scrollbar ();
925	}
926		999
927	if (menubar_visible ())	1000	XMoveResizeWindow (dpy, vt,
928	XMoveResizeWindow (Xdisplay, menuBar.win, window_vt_x,	1001	window_vt_x, window_vt_y,
929	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
930
931	XMoveResizeWindow (Xdisplay, TermWin.vt, window_vt_x,
932	window_vt_y, TermWin_TotalWidth (),
933	TermWin_TotalHeight ());	1002	width, height);
934	#ifdef RXVT_GRAPHICS	1003
935	if (old_height)	1004	#ifdef HAVE_BG_PIXMAP
936	Gr_Resize (old_width - szHint.base_width,	1005	if (bgPixmap.window_size_sensitive ())
937	old_height - szHint.base_height);	1006	update_background ();
938	#endif
939	scr_clear ();
940	#ifdef XPM_BACKGROUND
941	resize_pixmap ();
942	#endif	1007	#endif
943	}	1008	}
944		1009
945	if (fix_screen || old_height == 0)	1010	if (fix_screen || old_height == 0)
946	{
947	int curr_screen = -1;
948	int old_ncol = prev_ncol;
949
950	/* scr_reset only works on the primary screen */
951	if (old_height) /* this is not the first time through */
952	{
953	unsigned int ncol = TermWin.ncol;
954	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
955	curr_screen = scr_change_screen (PRIMARY);
956	TermWin.ncol = ncol;
957	}
958
959	scr_reset();	1011	scr_reset ();
960		1012
961	if (curr_screen >= 0) /* this is not the first time through */	1013	#ifdef HAVE_BG_PIXMAP
962	{	1014	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
963	scr_change_screen (curr_screen);	1015	// if (bgPixmap.pixmap)
964	selection_check (old_ncol != TermWin.ncol ? 4 : 0);	1016	// scr_touch (false);
965	}	1017	#endif
966	}
967
968	old_width = szHint.width;
969	old_height = szHint.height;
970		1018
971	#ifdef USE_XIM	1019	#ifdef USE_XIM
972	IMSetStatusPosition ();	1020	IMSetPosition ();
973	#endif	1021	#endif
974	}	1022	}
975		1023
976	/*	1024	/*
977	* Set the width/height of the vt window in characters. Units are pixels.	1025	* Set the width/height of the vt window in characters. Units are pixels.
978	* good for toggling 80/132 columns	1026	* good for toggling 80/132 columns
979	*/	1027	*/
980	void	1028	void
981	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1029	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
982	{	1030	{
983	XWindowAttributes wattr;	1031	XWindowAttributes wattr;
984		1032
985	if (width == 0 || height == 0) {	1033	if (newwidth == 0 || newheight == 0)
		1034	{
986	XGetWindowAttributes(Xdisplay, Xroot, &wattr);	1035	XGetWindowAttributes (dpy, display->root, &wattr);
		1036
987	if (width == 0)	1037	if (newwidth == 0)
988	width = wattr.width - szHint.base_width;	1038	newwidth = wattr.width - szHint.base_width;
989	if (height == 0)	1039	if (newheight == 0)
990	height = wattr.height - szHint.base_height;	1040	newheight = wattr.height - szHint.base_height;
		1041	}
		1042
		1043	if (newwidth != width || newheight != height)
991	}	1044	{
992	if (width != TermWin.width || height != TermWin.height) {
993	width += szHint.base_width;	1045	newwidth += szHint.base_width;
994	height += szHint.base_height;	1046	newheight += szHint.base_height;
995	resize_all_windows (width, height, 0);	1047	resize_all_windows (newwidth, newheight, 0);
996	}	1048	}
997	}	1049	}
998		1050
999	/* -------------------------------------------------------------------- *	1051	/* -------------------------------------------------------------------- *
1000	* - X INPUT METHOD ROUTINES - *	1052	* - X INPUT METHOD ROUTINES - *
1001	* -------------------------------------------------------------------- */	1053	* -------------------------------------------------------------------- */
1002	#ifdef USE_XIM	1054	#ifdef USE_XIM
1003	void
1004	rxvt_term::set_size (XRectangle *size)
1005	{
1006	size->x = TermWin.int_bwidth;
1007	size->y = TermWin.int_bwidth;
1008	size->width = Width2Pixel(TermWin.ncol);
1009	size->height = Height2Pixel(TermWin.nrow);
1010	}
1011		1055
1012	void	1056	void
1013	rxvt_term::set_color (unsigned long *fg, unsigned long *bg)	1057	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1014	{	1058	{
1015	*fg = PixColors[Color_fg];	1059	fg = pix_colors [Color_fg];
1016	*bg = PixColors[Color_bg];	1060	bg = pix_colors [Color_bg];
		1061	}
		1062
		1063	void
		1064	rxvt_term::im_set_size (XRectangle &size)
		1065	{
		1066	// the int_bwidth terms make no sense to me
		1067	size.x = int_bwidth;
		1068	size.y = int_bwidth;
		1069	size.width = Width2Pixel (ncol) + int_bwidth;
		1070	size.height = Height2Pixel (nrow) + int_bwidth;
		1071	}
		1072
		1073	void
		1074	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1075	XRectangle &status_rect,
		1076	const XRectangle &needed_rect)
		1077	{
		1078	preedit_rect.x = needed_rect.width;
		1079	preedit_rect.y = 0;
		1080	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1081	preedit_rect.height = fheight;
		1082
		1083	status_rect.x = 0;
		1084	status_rect.y = 0;
		1085	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1086	status_rect.height = fheight;
1017	}	1087	}
1018		1088
1019	/* Checking whether input method is running. */	1089	/* Checking whether input method is running. */
1020	bool	1090	bool
1021	rxvt_term::IMisRunning ()	1091	rxvt_term::IMisRunning ()
1022	{	1092	{
1023	char *p;	1093	Atom atom;
1024	Atom atom;	1094	Window win;
1025	Window win;
1026	char server[IMBUFSIZ];	1095	char server[IMBUFSIZ];
1027		1096
1028	/* get current locale modifier */	1097	/* get current locale modifier */
1029	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1098	if (char *p = XSetLocaleModifiers (0))
		1099	{
1030	STRCPY(server, "@server=");	1100	strcpy (server, "@server=");
1031	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1101	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1102
1032	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1103	if (p = strchr (server + 1, '@')) /* first one only */
1033	*p = '\0';	1104	*p = '\0';
1034		1105
1035	atom = XInternAtom(Xdisplay, server, False);	1106	atom = XInternAtom (dpy, server, False);
1036	win = XGetSelectionOwner(Xdisplay, atom);	1107	win = XGetSelectionOwner (dpy, atom);
		1108
1037	if (win != None)	1109	if (win != None)
1038	return True;	1110	return True;
1039	}	1111	}
		1112
1040	return False;	1113	return False;
1041	}	1114	}
1042		1115
1043	void	1116	void
1044	rxvt_term::IMSendSpot ()	1117	rxvt_term::IMSendSpot ()
1045	{	1118	{
1046	XPoint spot;	1119	XPoint nspot;
1047	XVaNestedList preedit_attr;	1120	XVaNestedList preedit_attr;
1048		1121
1049	if (Input_Context == NULL	1122	if (!Input_Context
1050	|| !TermWin.focus || !(input_style & XIMPreeditPosition)	1123	|| !focus
1051	|| !(event_type == KeyPress	1124	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1052	|| event_type == Expose
1053	|| event_type == NoExpose
1054	|| event_type == SelectionNotify
1055	|| event_type == ButtonRelease || event_type == FocusIn)
1056	|| !IMisRunning ())
1057	return;	1125	return;
1058		1126
1059	set_position (&spot);	1127	im_set_position (nspot);
1060		1128
		1129	if (nspot.x == spot.x && nspot.y == spot.y)
		1130	return;
		1131
		1132	spot = nspot;
		1133
1061	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1134	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1062	XSetICValues(Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1135	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1063	XFree(preedit_attr);	1136	XFree (preedit_attr);
1064	}	1137	}
1065		1138
1066	void	1139	void
1067	rxvt_term::set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,	1140	rxvt_term::im_destroy ()
1068	XRectangle * needed_rect)
1069	{	1141	{
1070	int mbh, vtx = 0;	1142	if (input_method)
		1143	{
		1144	if (Input_Context && input_method->xim)
		1145	XDestroyIC (Input_Context);
1071		1146
1072	if (scrollbar_visible () && !(Options & Opt_scrollBar_right))	1147	display->put_xim (input_method);
1073	vtx = scrollbar_TotalWidth();	1148	input_method = 0;
		1149	}
1074		1150
1075	mbh = menubar_visible () ? menuBar_TotalHeight() : 0;	1151	Input_Context = 0;
1076	mbh -= TermWin.lineSpace;
1077
1078	preedit_rect->x = needed_rect->width + vtx;
1079	preedit_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1080
1081	preedit_rect->width = Width2Pixel(TermWin.ncol + 1) - needed_rect->width + vtx;
1082	preedit_rect->height = Height2Pixel(1);
1083
1084	status_rect->x = vtx;
1085	status_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1086
1087	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel(TermWin.ncol + 1);
1088	status_rect->height = Height2Pixel(1);
1089	}	1152	}
1090		1153
1091	/* ARGSUSED */	1154	#ifdef ENABLE_XIM_ONTHESPOT
1092	/* EXTPROTO */	1155
1093	void	1156	static void
1094	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data	1157	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1095	__attribute__ ((unused)), XPointer call_data
1096	__attribute__ ((unused)))
1097	{	1158	{
1098	GET_R->Input_Context = NULL;	1159	((rxvt_term *)client_data)->make_current ();
1099	/* To avoid Segmentation Fault in C locale: Solaris only? */	1160	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1100	if (STRCMP (GET_R->locale, "C"))
1101	XRegisterIMInstantiateCallback(GET_R->Xdisplay, NULL, NULL, NULL,
1102	rxvt_IMInstantiateCallback, NULL);
1103	}	1161	}
		1162
		1163	static void
		1164	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1165	{
		1166	((rxvt_term *)client_data)->make_current ();
		1167	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1168	}
		1169
		1170	static void
		1171	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1172	{
		1173	rxvt_term *term = (rxvt_term *)client_data;
		1174	XIMText *text = call_data->text;
		1175
		1176	term->make_current ();
		1177
		1178	if (text)
		1179	{
		1180	wchar_t *str;
		1181
		1182	if (!text->encoding_is_wchar && text->string.multi_byte)
		1183	{
		1184	// of course, X makes it ugly again
		1185	if (term->rs[Rs_imLocale])
		1186	SET_LOCALE (term->rs[Rs_imLocale]);
		1187
		1188	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1189	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1190
		1191	if (term->rs[Rs_imLocale])
		1192	SET_LOCALE (term->locale);
		1193	}
		1194	else
		1195	str = text->string.wide_char;
		1196
		1197	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1198	DT_INT, call_data->caret,
		1199	DT_INT, call_data->chg_first,
		1200	DT_INT, call_data->chg_length,
		1201	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1202	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1203	DT_END));
		1204	}
		1205	else
		1206	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1207	DT_INT, call_data->caret,
		1208	DT_INT, call_data->chg_first,
		1209	DT_INT, call_data->chg_length,
		1210	DT_END));
		1211	}
		1212
		1213	#if 0
		1214	static void
		1215	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1216	{
		1217	((rxvt_term *)client_data)->make_current ();
		1218	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1219	DT_INT, call_data->position,
		1220	DT_INT, call_data->direction,
		1221	DT_INT, call_data->style,
		1222	DT_END));
		1223	}
		1224	#endif
		1225
		1226	#endif
1104		1227
1105	/*	1228	/*
1106	* Try to open a XIM with the current modifiers, then see if we can	1229	* Try to open a XIM with the current modifiers, then see if we can
1107	* open a suitable preedit type	1230	* open a suitable preedit type
1108	*/	1231	*/
1109	bool	1232	bool
1110	rxvt_term::IM_get_IC ()	1233	rxvt_term::IM_get_IC (const char *modifiers)
1111	{	1234	{
1112	int i, j, found;	1235	int i, j, found;
1113	XIM xim;	1236	XIM xim;
1114	XPoint spot;	1237	XPoint spot;
1115	XRectangle rect, status_rect, needed_rect;	1238	XRectangle rect, status_rect, needed_rect;
1116	unsigned long fg, bg;	1239	unsigned long fg, bg;
1117	const char *p;	1240	const char *p;
1118	char **s;	1241	char **s;
1119	XIMStyles *xim_styles;	1242	XIMStyles *xim_styles;
1120	XVaNestedList preedit_attr, status_attr;	1243	#ifdef ENABLE_XIM_ONTHESPOT
1121	XIMCallback ximcallback;	1244	XIMCallback xcb[4];
		1245	#endif
1122		1246
1123	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1247	set_environ (envv);
1124	xim = XOpenIM (Xdisplay, NULL, NULL, NULL);	1248
1125	if (xim == NULL)	1249	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1126	return False;	1250	return false;
1127		1251
		1252	input_method = display->get_xim (locale, modifiers);
		1253	if (input_method == NULL)
		1254	return false;
		1255
		1256	xim = input_method->xim;
		1257	spot.x = spot.y = -1;
		1258
1128	xim_styles = NULL;	1259	xim_styles = NULL;
1129	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1260	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1130	|| !xim_styles || !xim_styles->count_styles) {	1261	|| !xim_styles || !xim_styles->count_styles)
1131	XCloseIM(xim);	1262	{
		1263	im_destroy ();
1132	return False;	1264	return false;
		1265	}
		1266
		1267	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1268
		1269	for (int pi = 0; pi < 2; pi++)
1133	}	1270	{
		1271	p = pet[pi];
1134		1272
1135	p = rs[Rs_preeditType] ? rs[Rs_preeditType]	1273	if (!p)
1136	: "OverTheSpot,OffTheSpot,Root";	1274	continue;
		1275
1137	s = rxvt_splitcommastring(p);	1276	s = rxvt_splitcommastring (p);
		1277
1138	for (i = found = 0; !found && s[i]; i++) {	1278	for (i = found = 0; !found && s[i]; i++)
		1279	{
1139	if (!STRCMP(s[i], "OverTheSpot"))	1280	if (!strcmp (s[i], "OverTheSpot"))
1140	input_style = (XIMPreeditPosition | XIMStatusNothing);	1281	input_style = XIMPreeditPosition | XIMStatusNothing;
1141	else if (!STRCMP(s[i], "OffTheSpot"))	1282	else if (!strcmp (s[i], "OffTheSpot"))
1142	input_style = (XIMPreeditArea | XIMStatusArea);	1283	input_style = XIMPreeditArea | XIMStatusArea;
1143	else if (!STRCMP(s[i], "Root"))	1284	else if (!strcmp (s[i], "Root"))
1144	input_style = (XIMPreeditNothing | XIMStatusNothing);	1285	input_style = XIMPreeditNothing | XIMStatusNothing;
		1286	else if (!strcmp (s[i], "None"))
		1287	input_style = XIMPreeditNone | XIMStatusNone;
		1288	#ifdef ENABLE_XIM_ONTHESPOT
		1289	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1290	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1291	#endif
		1292	else
		1293	input_style = XIMPreeditNothing | XIMStatusNothing;
1145		1294
1146	for (j = 0; j < xim_styles->count_styles; j++)	1295	for (j = 0; j < xim_styles->count_styles; j++)
1147	if (input_style == xim_styles->supported_styles[j]) {	1296	if (input_style == xim_styles->supported_styles[j])
		1297	{
		1298	rxvt_freecommastring (s);
		1299
1148	found = 1;	1300	found = 1;
1149	break;	1301	goto foundpet;
1150	}	1302	}
		1303
		1304	}
		1305
		1306	rxvt_freecommastring (s);
1151	}	1307	}
1152	for (i = 0; s[i]; i++)	1308
1153	free(s[i]);	1309	foundpet:
1154	free(s);	1310
1155	XFree(xim_styles);	1311	XFree (xim_styles);
1156		1312
1157	if (!found) {	1313	if (!found)
1158	XCloseIM(xim);	1314	{
		1315	im_destroy ();
1159	return False;	1316	return false;
		1317	}
		1318
		1319	XFontSet fs = 0;
		1320	XVaNestedList preedit_attr = 0, status_attr = 0;
		1321
		1322	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1160	}	1323	{
		1324	// fake us a font-set, please
		1325	char **missing_charset_list;
		1326	int missing_charset_count;
		1327	char *def_string;
		1328	char pat[512];
1161		1329
1162	ximcallback.callback = rxvt_IMDestroyCallback;	1330	sprintf (pat,
		1331	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1332	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1333	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1334	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1335	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1336	"*",
		1337	fheight,
		1338	fheight + 1, fheight - 1,
		1339	fheight - 2, fheight + 2);
1163		1340
1164	/* XXX: not sure why we need this (as well as IC one below) */	1341	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1165	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1342	&missing_charset_list, &missing_charset_count, &def_string);
1166		1343
1167	preedit_attr = status_attr = NULL;	1344	if (missing_charset_list)
		1345	XFreeStringList (missing_charset_list);
1168		1346
		1347	if (!fs)
		1348	{
		1349	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1350	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1351	}
		1352	}
		1353
1169	if (input_style & XIMPreeditPosition) {	1354	if (input_style & XIMPreeditPosition)
		1355	{
1170	set_size (&rect);	1356	im_set_size (rect);
1171	set_position (&spot);	1357	im_set_position (spot);
1172	set_color (&fg, &bg);	1358	im_set_color (fg, bg);
1173		1359
1174	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1360	preedit_attr = XVaCreateNestedList (0,
		1361	XNForeground, fg,
		1362	XNBackground, bg,
		1363	XNArea, &rect,
1175	XNSpotLocation, &spot,	1364	XNSpotLocation, &spot,
1176	XNForeground, fg, XNBackground, bg,
1177	//XNFontSet, TermWin.fontset,	1365	XNFontSet, fs,
1178	NULL);
1179	} else if (input_style & XIMPreeditArea) {
1180	set_color (&fg, &bg);
1181
1182	/*
1183	* The necessary width of preedit area is unknown
1184	* until create input context.
1185	*/
1186	needed_rect.width = 0;
1187
1188	set_preedit_area(&rect, &status_rect, &needed_rect);
1189
1190	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1191	XNForeground, fg, XNBackground, bg,
1192	//XNFontSet, TermWin.fontset,
1193	NULL);
1194	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1195	XNForeground, fg, XNBackground, bg,
1196	//XNFontSet, TermWin.fontset,
1197	NULL);	1366	NULL);
1198	}	1367	}
1199	Input_Context = XCreateIC(xim, XNInputStyle, input_style,	1368	else if (input_style & XIMPreeditArea)
		1369	{
		1370	im_set_color (fg, bg);
		1371
		1372	/*
		1373	* The necessary width of preedit area is unknown
		1374	* until create input context.
		1375	*/
		1376	needed_rect.width = 0;
		1377	im_set_preedit_area (rect, status_rect, needed_rect);
		1378
		1379	preedit_attr = XVaCreateNestedList (0,
		1380	XNForeground, fg,
		1381	XNBackground, bg,
		1382	XNArea, &rect,
		1383	XNFontSet, fs,
		1384	NULL);
		1385	status_attr = XVaCreateNestedList (0,
		1386	XNForeground, fg,
		1387	XNBackground, bg,
		1388	XNArea, &status_rect,
		1389	XNFontSet, fs,
		1390	NULL);
		1391	}
		1392	#if ENABLE_XIM_ONTHESPOT
		1393	else if (input_style & XIMPreeditCallbacks)
		1394	{
		1395	im_set_position (spot);
		1396
		1397	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1398	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1399	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1400	# if 0
		1401	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1402	# endif
		1403
		1404	preedit_attr = XVaCreateNestedList (0,
		1405	XNSpotLocation, &spot,
		1406	XNPreeditStartCallback, &xcb[0],
		1407	XNPreeditDoneCallback , &xcb[1],
		1408	XNPreeditDrawCallback , &xcb[2],
		1409	# if 0
		1410	XNPreeditCaretCallback, &xcb[3],
		1411	# endif
		1412	NULL);
		1413	}
		1414	#endif
		1415
		1416	Input_Context = XCreateIC (xim,
		1417	XNInputStyle, input_style,
1200	XNClientWindow, TermWin.parent[0],	1418	XNClientWindow, vt,
1201	XNFocusWindow, TermWin.parent[0],	1419	XNFocusWindow, parent[0],
1202	XNDestroyCallback, &ximcallback,
1203	preedit_attr ? XNPreeditAttributes : NULL,	1420	preedit_attr ? XNPreeditAttributes : NULL,
1204	preedit_attr,	1421	preedit_attr,
1205	status_attr ? XNStatusAttributes : NULL,	1422	status_attr ? XNStatusAttributes : NULL,
1206	status_attr, NULL);	1423	status_attr, NULL);
1207	if (preedit_attr)	1424
1208	XFree(preedit_attr);	1425	if (preedit_attr) XFree (preedit_attr);
1209	if (status_attr)	1426	if (status_attr) XFree (status_attr);
1210	XFree(status_attr);	1427	if (fs) XFreeFontSet (dpy, fs);
		1428
1211	if (Input_Context == NULL) {	1429	if (Input_Context == NULL)
1212	rxvt_print_error("failed to create input context");	1430	{
1213	XCloseIM(xim);	1431	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1432	im_destroy ();
1214	return False;	1433	return false;
1215	}	1434	}
1216	if (input_style & XIMPreeditArea)	1435
		1436	#if 0
		1437	// unfortunately, only the focus window is used by XIM, hard to fix
		1438	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1439	vt_select_input ();
		1440	#endif
		1441
1217	IMSetStatusPosition ();	1442	IMSetPosition ();
1218	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1443
1219	return True;	1444	return true;
1220	}	1445	}
1221		1446
1222	/*
1223	* X manual pages and include files don't match on some systems:
1224	* some think this is an XIDProc and others an XIMProc so we can't
1225	* use the first argument - need to update this to be nice for
1226	* both types via some sort of configure detection
1227	*/
1228	/* ARGSUSED */
1229	/* EXTPROTO */
1230	void	1447	void
1231	rxvt_IMInstantiateCallback(Display * unused	1448	rxvt_term::im_cb ()
1232	__attribute__ ((unused)), XPointer client_data
1233	__attribute__ ((unused)), XPointer call_data
1234	__attribute__ ((unused)))
1235	{	1449	{
1236	int i, found, had_im;	1450	int i;
1237	const char *p;	1451	const char *p;
1238	char **s;	1452	char **s;
1239	char buf[IMBUFSIZ];	1453	char buf[IMBUFSIZ];
1240		1454
1241	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1455	make_current ();
		1456
		1457	im_destroy ();
		1458
1242	if (GET_R->Input_Context)	1459	if (Input_Context)
1243	return;	1460	return;
1244		1461
1245	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1462	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1246	if (GET_R->rs[Rs_imLocale])	1463	if (rs[Rs_imLocale])
1247	setlocale (LC_CTYPE, GET_R->rs[Rs_imLocale]);	1464	SET_LOCALE (rs[Rs_imLocale]);
1248	#endif	1465	#endif
1249		1466
1250	p = GET_R->rs[Rs_inputMethod];	1467	p = rs[Rs_inputMethod];
1251	if (p && *p)	1468	if (p && *p)
1252	{	1469	{
1253	bool found = false;	1470	bool found = false;
1254		1471
1255	s = rxvt_splitcommastring (p);	1472	s = rxvt_splitcommastring (p);
		1473
1256	for (i = 0; s[i]; i++)	1474	for (i = 0; s[i]; i++)
1257	{	1475	{
1258	if (*s[i])	1476	if (*s[i])
1259	{	1477	{
1260	STRCPY (buf, "@im=");	1478	strcpy (buf, "@im=");
1261	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1479	strncat (buf, s[i], IMBUFSIZ - 5);
1262	if ((p = XSetLocaleModifiers (buf)) && *p && GET_R->IM_get_IC ())	1480	if (IM_get_IC (buf))
1263	{	1481	{
1264	found = true;	1482	found = true;
1265	break;	1483	break;
1266	}	1484	}
1267	}	1485	}
1268	}	1486	}
1269	for (i = 0; s[i]; i++)	1487
1270	free(s[i]);	1488	rxvt_freecommastring (s);
1271	free(s);
1272		1489
1273	if (found)	1490	if (found)
1274	goto done;	1491	goto done;
1275	}	1492	}
1276		1493
1277	/* try with XMODIFIERS env. var. */	1494	/* try with XMODIFIERS env. var. */
1278	if ((p = XSetLocaleModifiers ("")) && *p	1495	if (IM_get_IC (""))
1279	&& GET_R->IM_get_IC ())
1280	goto done;	1496	goto done;
1281		1497
1282	/* try with no modifiers base IF the user didn't specify an IM */	1498	/* try with no modifiers base IF the user didn't specify an IM */
1283	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1499	if (IM_get_IC ("@im=none"))
1284	&& GET_R->IM_get_IC () == True)
1285	goto done;	1500	goto done;
1286		1501
1287	done:	1502	done:
1288	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1503	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1289	if (GET_R->rs[Rs_imLocale])	1504	if (rs[Rs_imLocale])
1290	setlocale (LC_CTYPE, GET_R->locale);	1505	SET_LOCALE (locale);
1291	#endif	1506	#endif
1292	}	1507	}
1293		1508
1294	void	1509	void
1295	rxvt_term::IMSetStatusPosition ()	1510	rxvt_term::IMSetPosition ()
1296	{	1511	{
1297	XRectangle preedit_rect, status_rect, *needed_rect;	1512	XRectangle preedit_rect, status_rect, *needed_rect;
1298	XVaNestedList preedit_attr, status_attr;	1513	XVaNestedList preedit_attr, status_attr;
1299		1514
1300	if (Input_Context == NULL	1515	if (!Input_Context
1301	|| !TermWin.focus || !(input_style & XIMPreeditArea)	1516	|| !focus
		1517	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1302	|| !IMisRunning ())	1518	|| !IMisRunning ())
1303	return;	1519	return;
1304		1520
		1521	if (input_style & XIMPreeditPosition)
		1522	{
		1523	im_set_size (preedit_rect);
		1524	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1525
		1526	XSetICValues (Input_Context,
		1527	XNPreeditAttributes, preedit_attr, NULL);
		1528	}
		1529	else
		1530	{
1305	/* Getting the necessary width of preedit area */	1531	/* Getting the necessary width of preedit area */
1306	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1532	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1307	XGetICValues(Input_Context, XNStatusAttributes, status_attr, NULL);	1533	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1308	XFree(status_attr);	1534	XFree (status_attr);
1309		1535
1310	set_preedit_area(&preedit_rect, &status_rect, needed_rect);	1536	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1537	XFree (needed_rect);
1311		1538
1312	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1539	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1313	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1540	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1314		1541
1315	XSetICValues(Input_Context,	1542	XSetICValues (Input_Context,
1316	XNPreeditAttributes, preedit_attr,	1543	XNPreeditAttributes, preedit_attr,
1317	XNStatusAttributes, status_attr, NULL);	1544	XNStatusAttributes, status_attr,
		1545	NULL);
1318		1546
		1547	XFree (status_attr);
		1548	}
		1549
1319	XFree(preedit_attr);	1550	XFree (preedit_attr);
1320	XFree(status_attr);
1321	}	1551	}
1322	#endif /* USE_XIM */	1552	#endif /* USE_XIM */
1323		1553
1324	/*----------------------------------------------------------------------*/	1554	void
1325	rxvt_t rxvt_current_term;	1555	rxvt_term::get_window_origin (int &x, int &y)
		1556	{
		1557	Window cr;
		1558	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1559	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1560	}
		1561
		1562	Pixmap
		1563	rxvt_term::get_pixmap_property (int prop_id)
		1564	{
		1565	if (prop_id > 0 && prop_id < NUM_XA)
		1566	if (xa[prop_id])
		1567	{
		1568	int aformat;
		1569	unsigned long nitems, bytes_after;
		1570	Atom atype;
		1571	unsigned char *prop = NULL;
		1572	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1573	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1574	&nitems, &bytes_after, &prop);
		1575	if (result == Success && prop && atype == XA_PIXMAP)
		1576	return *(Pixmap *)prop;
		1577	}
		1578
		1579	return None;
		1580	}
		1581
		1582	#ifdef HAVE_BG_PIXMAP
		1583	# if TRACE_PIXMAPS
		1584	# undef update_background
		1585	void
		1586	rxvt_term::trace_update_background (const char *file, int line)
		1587	{
		1588	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1589	update_background ();
		1590	}
		1591	# endif
		1592
		1593	void
		1594	rxvt_term::update_background ()
		1595	{
		1596	if (update_background_ev.is_active ())
		1597	return;
		1598
		1599	bgPixmap.invalidate ();
		1600
		1601	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1602
		1603	if (to_wait <= 0.)
		1604	bgPixmap.render ();
		1605	else
		1606	update_background_ev.start (to_wait);
		1607	}
		1608
		1609	void
		1610	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1611	{
		1612	make_current ();
		1613
		1614	update_background_ev.stop ();
		1615	bgPixmap.render ();
		1616	refresh_check ();
		1617	}
		1618
		1619	#endif /* HAVE_BG_PIXMAP */
1326		1620
1327	/*----------------------- end-of-file (C source) -----------------------*/	1621	/*----------------------- end-of-file (C source) -----------------------*/

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