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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.17 by pcg, Thu Dec 18 13:33:02 2003 UTC vs.
Revision 1.308 by ayin, Tue Feb 19 13:01:32 2008 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.17 2003/12/18 13:33:02 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* 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>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2008 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
37	#include <signal.h>	40	#include <csignal>
38
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>
41	#endif
42
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>
45	#endif
46
47	#include <cstring>	41	#include <cstring>
48		42
		43	#include <termios.h>
		44
		45	#ifdef HAVE_XSETLOCALE
		46	# define X_LOCALE
		47	# include <X11/Xlocale.h>
		48	#else
		49	# ifdef HAVE_SETLOCALE
		50	# include <clocale>
		51	# endif
		52	#endif
		53
		54	vector<rxvt_term *> rxvt_term::termlist;
		55
		56	// used to tell global functions which terminal instance is "active"
		57	rxvt_t rxvt_current_term;
		58
49	static char curlocale[128];	59	static char curlocale[128], savelocale[128];
50		60
51	void	61	bool
52	rxvt_set_locale (const char *locale)	62	rxvt_set_locale (const char *locale) NOTHROW
53	{	63	{
54	if (locale && STRNCMP (locale, curlocale, 128))	64	int size = strlen (locale) + 1;
55	{	65
56	STRNCPY (curlocale, locale, 128);	66	if (size > sizeof (curlocale))
		67	rxvt_fatal ("locale string too long, aborting.\n");
		68
		69	if (!locale || !memcmp (locale, curlocale, size))
		70	return false;
		71
		72	memcpy (curlocale, locale, size);
57	setlocale (LC_CTYPE, curlocale);	73	setlocale (LC_CTYPE, curlocale);
58	}	74	return true;
59	}	75	}
60		76
61	void *	77	void
62	rxvt_term::operator new (size_t s)	78	rxvt_push_locale (const char *locale) NOTHROW
63	{	79	{
64	void *p = malloc (s);	80	strcpy (savelocale, curlocale);
		81	rxvt_set_locale (locale);
		82	}
65		83
66	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
67	return p;	149	return len;
68	}
69		150
70	void
71	rxvt_term::operator delete (void *p, size_t s)
72	{
73	free (p);
74	}	151	}
		152	#endif
75		153
76	rxvt_term::rxvt_term ()	154	rxvt_term::rxvt_term ()
77	: pty_ev (this, &rxvt_term::pty_cb),	155	{
		156	#if HAVE_BG_PIXMAP
		157	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		158	#endif
78	#ifdef CURSOR_BLINK	159	#ifdef CURSOR_BLINK
79	blink_ev (this, &rxvt_term::blink_cb),	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
		177	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		178	#ifdef USE_XIM
		179	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
80	#endif	180	#endif
81	#ifdef POINTER_BLANK	181	#ifdef POINTER_BLANK
82	pointer_ev (this, &rxvt_term::pointer_cb),	182	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
83	#endif	183	#endif
84	x_ev (this, &rxvt_term::x_cb),	184	#ifndef NO_BELL
85	destroy_ev (this, &rxvt_term::destroy_cb),	185	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
86	check_ev (this, &rxvt_term::check_cb),	186	#endif
87	incr_ev (this, &rxvt_term::incr_cb)	187	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
88	{	188	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		189	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		190	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		191	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		192	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194
89	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		196
		197	termlist.push_back (this);
		198
		199	#ifdef KEYSYM_RESOURCE
		200	keyboard = new keyboard_manager;
		201	#endif
		202	}
		203
		204	// clean up the most important stuff, do *not* call x or free mem etc.
		205	// for use before an emergency exit
		206	void
		207	rxvt_term::emergency_cleanup ()
		208	{
		209	if (cmd_pid)
		210	kill (-cmd_pid, SIGHUP);
		211
		212	pty_ev.stop ();
		213	delete pty; pty = 0;
90	}	214	}
91		215
92	rxvt_term::~rxvt_term ()	216	rxvt_term::~rxvt_term ()
93	{	217	{
		218	termlist.erase (find (termlist.begin (), termlist.end(), this));
		219
		220	emergency_cleanup ();
		221
		222	#if ENABLE_STYLES
		223	for (int i = RS_styleCount; --i; )
		224	if (fontset[i] != fontset[0])
		225	delete fontset[i];
		226	#endif
		227	delete fontset[0];
		228
		229	#ifdef HAVE_BG_PIXMAP
		230	bgPixmap.destroy ();
		231	#endif
		232
		233	if (display)
		234	{
		235	selection_clear ();
		236
		237	#ifdef USE_XIM
		238	im_destroy ();
		239	#endif
		240	scrollBar.destroy ();
		241	if (gc) XFreeGC (dpy, gc);
		242
		243	delete drawable;
		244	// destroy all windows
		245	if (parent[0])
		246	XDestroyWindow (dpy, parent[0]);
		247
		248	for (int i = 0; i < TOTAL_COLORS; i++)
		249	if (ISSET_PIXCOLOR (i))
		250	{
		251	pix_colors_focused [i].free (this);
		252	#if OFF_FOCUS_FADING
		253	pix_colors_unfocused [i].free (this);
		254	#endif
		255	}
		256
		257	clear ();
		258
		259	display->flush (); /* ideally .put should do this */
		260	displays.put (display);
		261	}
		262
94	scr_release ();	263	scr_release ();
95		264
		265	/* clear all resources */
		266	for (int i = 0; i < allocated.size (); i++)
		267	free (allocated [i]);
		268
		269	free (selection.text);
		270	// TODO: manage env vars in child only(!)
		271	free (env_display);
		272	free (env_term);
96	free (locale);	273	free (locale);
97	free (codeset);	274	free (v_buffer);
		275	free (incr_buf);
98		276
99	#ifndef NO_SETOWNER_TTYDEV	277	delete envv;
100	rxvt_privileged_ttydev (this, RESTORE);	278	delete argv;
101	#endif
102	#ifdef UTMP_SUPPORT
103	rxvt_privileged_utmp (this, RESTORE);
104	#endif
105	#ifdef USE_XIM
106	if (Input_Context != NULL)
107	{
108	XDestroyIC (Input_Context);
109	Input_Context = NULL;
110	}
111	#endif
112		279
113	if (cmd_fd >= 0)	280	#ifdef KEYSYM_RESOURCE
114	close (cmd_fd);	281	delete keyboard;
		282	#endif
		283	#ifndef NO_RESOURCES
		284	XrmDestroyDatabase (option_db);
		285	#endif
		286	}
115		287
116	if (Xfd >= 0)	288	// child has exited, usually destroys
117	XCloseDisplay (Xdisplay);	289	void
		290	rxvt_term::child_cb (ev::child &w, int status)
		291	{
		292	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
118		293
119	delete PixColors;	294	cmd_pid = 0;
		295
		296	if (!option (Opt_hold))
		297	destroy ();
120	}	298	}
121		299
122	void	300	void
123	rxvt_term::destroy ()	301	rxvt_term::destroy ()
124	{	302	{
		303	if (destroy_ev.is_active ())
		304	return;
		305
		306	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		307
		308	#if ENABLE_OVERLAY
		309	scr_overlay_off ();
		310	#endif
		311
		312	if (display)
		313	{
		314	#if USE_XIM
		315	im_ev.stop (display);
		316	#endif
		317	scrollbar_ev.stop (display);
		318	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		319	rootwin_ev.stop (display);
		320	#endif
		321	incr_ev.stop ();
		322	termwin_ev.stop (display);
		323	vt_ev.stop (display);
		324	}
		325
125	check_ev.stop ();	326	flush_ev.stop ();
126	pty_ev.stop ();	327	pty_ev.stop ();
127	x_ev.stop ();
128	#ifdef CURSOR_BLINK	328	#ifdef CURSOR_BLINK
		329	cursor_blink_ev.stop ();
		330	#endif
		331	#ifdef TEXT_BLINK
129	blink_ev.stop ();	332	text_blink_ev.stop ();
		333	#endif
		334	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		335	cont_scroll_ev.stop ();
		336	#endif
		337	#ifdef SELECTION_SCROLLING
		338	sel_scroll_ev.stop ();
130	#endif	339	#endif
131	#ifdef POINTER_BLANK	340	#ifdef POINTER_BLANK
132	pointer_ev.stop ();	341	pointer_ev.stop ();
133	#endif	342	#endif
134		343
135	destroy_ev.start (0);	344	destroy_ev.start ();
136	}	345	}
137		346
138	void	347	void
139	rxvt_term::destroy_cb (time_watcher &w)	348	rxvt_term::destroy_cb (ev::idle &w, int revents)
140	{	349	{
141	SET_R (this);	350	make_current ();
142		351
143	delete this;	352	delete this;
144	}
145
146	/*----------------------------------------------------------------------*/
147	/* rxvt_init() */
148	/* LIBPROTO */
149	rxvt_t
150	rxvt_init (int argc, const char *const *argv)
151	{
152	SET_R (new rxvt_term);
153	dR;
154
155	if (!R->init_vars () || !R->init (argc, argv))
156	{
157	delete R;
158	return NULL;
159	}
160
161	return R;
162	}
163
164	/* EXTPROTO */
165	void
166	rxvt_init_signals ()
167	{
168	/* install exit handler for cleanup */
169	#if 0
170	#ifdef HAVE_ATEXIT
171	atexit(rxvt_clean_exit);
172	#else
173	#endif
174	#endif
175
176	struct sigaction sa;
177
178	sigfillset (&sa.sa_mask);
179	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
180	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
181	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
182	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
183	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
184	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
185	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
186
187	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
188	/* signal (SIGURG, SIG_DFL); */
189
190	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
191	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
192	}
193
194	bool
195	rxvt_term::init (int argc, const char *const *argv)
196	{
197	/*
198	* Save and then give up any super-user privileges
199	* If we need privileges in any area then we must specifically request it.
200	* We should only need to be root in these cases:
201	* 1. write utmp entries on some systems
202	* 2. chown tty on some systems
203	*/
204	rxvt_privileges (this, SAVE);
205	rxvt_privileges (this, IGNORE);
206
207	init_secondary ();
208
209	const char **cmd_argv = init_resources (argc, argv);
210
211	set_locale ("");
212
213	#if (MENUBAR_MAX)
214	rxvt_menubar_read (this, rs[Rs_menu]);
215	#endif
216	#ifdef HAVE_SCROLLBARS
217	if (Options & Opt_scrollBar)
218	scrollBar.setIdle (); /* set existence for size calculations */
219	#endif
220
221	create_windows (argc, argv);
222
223	init_xlocale ();
224
225	scr_reset (); /* initialize screen */
226	#ifdef RXVT_GRAPHICS
227	rxvt_Gr_reset (this); /* reset graphics */
228	#endif
229
230	#if 0
231	#ifdef DEBUG_X
232	XSynchronize(Xdisplay, True);
233	#endif
234	#endif
235
236	#ifdef HAVE_SCROLLBARS
237	if (Options & Opt_scrollBar)
238	resize_scrollbar (); /* create and map scrollbar */
239	#endif
240	#if (MENUBAR_MAX)
241	if (menubar_visible(r))
242	XMapWindow (Xdisplay, menuBar.win);
243	#endif
244	#ifdef TRANSPARENT
245	if (Options & Opt_transparent)
246	{
247	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
248	rxvt_check_our_parents (this);
249	}
250	#endif
251	XMapWindow (Xdisplay, TermWin.vt);
252	XMapWindow (Xdisplay, TermWin.parent[0]);
253
254	init_env ();
255	init_command (cmd_argv);
256
257	x_ev.start (Xfd, EVENT_READ);
258	pty_ev.start (cmd_fd, EVENT_READ);
259
260	check_ev.start ();
261
262	process_x_events ();
263
264	return true;
265	}
266
267	/* ------------------------------------------------------------------------- *
268	* SIGNAL HANDLING & EXIT HANDLER *
269	* ------------------------------------------------------------------------- */
270	/*
271	* Catch a SIGCHLD signal and exit if the direct child has died
272	*/
273	/* ARGSUSED */
274	/* EXTPROTO */
275	RETSIGTYPE
276	rxvt_Child_signal(int sig __attribute__ ((unused)))
277	{
278	int pid, save_errno = errno;
279	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
280	;
281	errno = save_errno;
282
283	#if 0
284	if (pid == R->cmd_pid)
285	exit (EXIT_SUCCESS);
286	#endif
287	}
288
289	/*
290	* Catch a fatal signal and tidy up before quitting
291	*/
292	/* EXTPROTO */
293	RETSIGTYPE
294	rxvt_Exit_signal(int sig)
295	{
296	signal(sig, SIG_DFL);
297	#ifdef DEBUG_CMD
298	rxvt_print_error("signal %d", sig);
299	#endif
300	rxvt_clean_exit();
301	kill(getpid(), sig);
302	}
303
304	/* ARGSUSED */
305	/* INTPROTO */
306	int
307	rxvt_xerror_handler(const Display * display
308	__attribute__ ((unused)), const XErrorEvent * event)
309	{
310	dR;
311
312	if (R->allowedxerror == -1)
313	R->allowedxerror = event->error_code;
314	else
315	{
316	rxvt_print_error("XError: Request: %d . %d, Error: %d",
317	event->request_code, event->minor_code,
318	event->error_code);
319
320	R->destroy ();
321	}
322
323	return 0;
324	}	353	}
325		354
326	/*----------------------------------------------------------------------*/	355	/*----------------------------------------------------------------------*/
327	/*	356	/*
328	* Exit gracefully, clearing the utmp entry and restoring tty attributes	357	* Exit gracefully, clearing the utmp entry and restoring tty attributes
329	* TODO: if debugging, this should free up any known resources if we can	358	* TODO: if debugging, this should free up any known resources if we can
330	*/	359	*/
331	/* EXTPROTO */	360	static XErrorHandler old_xerror_handler;
332	void
333	rxvt_clean_exit ()
334	{
335	dR;
336		361
337	R->destroy ();	362	static void
338	}	363	rxvt_emergency_cleanup ()
339
340	/* ------------------------------------------------------------------------- *
341	* MEMORY ALLOCATION WRAPPERS *
342	* ------------------------------------------------------------------------- */
343	/* EXTPROTO */
344	void *
345	rxvt_malloc(size_t size)
346	{	364	{
347	void *p;	365	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
348		366	(*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	}	367	}
358		368
359	/* EXTPROTO */	369	#if !ENABLE_MINIMAL
360	void *	370	static void
361	rxvt_calloc(size_t number, size_t size)	371	print_x_error (Display *dpy, XErrorEvent *event)
362	{	372	{
363	void *p;	373	char buffer[BUFSIZ];
364		374	char mesg[BUFSIZ];
365	p = calloc(number, size);	375	char number[32];
366	if (p)	376	char *mtype = "XlibMessage";
367	return p;	377	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
368		378	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
369	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	379	rxvt_warn ("An X Error occured, trying to continue after report.\n");
370	rxvt_clean_exit();	380	rxvt_warn ("%s: %s\n", mesg, buffer);
371	exit(EXIT_FAILURE);	381	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
372	/* NOTREACHED */	382	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		383	sprintf(number, "%d", event->request_code);
		384	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		385	rxvt_warn ("(which is %s)\n", buffer);
		386	if (event->request_code >= 128) {
		387	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		388	mesg, BUFSIZ);
		389	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		390	}
		391	if ((event->error_code == BadWindow) ||
		392	(event->error_code == BadPixmap) ||
		393	(event->error_code == BadCursor) ||
		394	(event->error_code == BadFont) ||
		395	(event->error_code == BadDrawable) ||
		396	(event->error_code == BadColor) ||
		397	(event->error_code == BadGC) ||
		398	(event->error_code == BadIDChoice) ||
		399	(event->error_code == BadValue) ||
		400	(event->error_code == BadAtom)) {
		401	if (event->error_code == BadValue)
		402	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		403	mesg, BUFSIZ);
		404	else if (event->error_code == BadAtom)
		405	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		406	mesg, BUFSIZ);
		407	else
		408	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		409	mesg, BUFSIZ);
		410	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		411	}
		412	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		413	mesg, BUFSIZ);
		414	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
373	}	415	}
374
375	/* EXTPROTO */
376	void *
377	rxvt_realloc(void *ptr, size_t size)
378	{
379	void *p;
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	/* INTPROTO */
399	void
400	rxvt_privileges(pR_ int mode)
401	{
402	#if ! defined(__CYGWIN32__)
403	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
404	/* setreuid() is the poor man's setuid(), seteuid() */
405	# define seteuid(a) setreuid(-1, (a))
406	# define setegid(a) setregid(-1, (a))
407	# define HAVE_SETEUID
408	# endif	416	#endif
409	# ifdef HAVE_SETEUID	417
410	switch (mode) {	418	int
411	case IGNORE:	419	rxvt_xerror_handler (Display *display, XErrorEvent *event)
412	/*	420	{
413	* change effective uid/gid - not real uid/gid - so we can switch	421	if (GET_R->allowedxerror == -1)
414	* back to root later, as required	422	GET_R->allowedxerror = event->error_code;
415	*/	423	else
416	seteuid(getuid());
417	setegid(getgid());
418	break;
419	case SAVE:
420	R->euid = geteuid();
421	R->egid = getegid();
422	break;
423	case RESTORE:
424	seteuid(R->euid);
425	setegid(R->egid);
426	break;
427	}	424	{
		425	// GET_R is most likely not the terminal which caused the error,
		426	// so just output the error and continue
		427	#if ENABLE_MINIMAL
		428	old_xerror_handler (display, event);
428	# else	429	#else
429	switch (mode) {	430	print_x_error (display, event);
430	case IGNORE:
431	setuid(getuid());
432	setgid(getgid());
433	/* FALLTHROUGH */
434	case SAVE:
435	/* FALLTHROUGH */
436	case RESTORE:
437	break;
438	}
439	# endif	431	#endif
440	#endif	432	}
441	}
442		433
443	#ifdef UTMP_SUPPORT	434	return 0;
444	/* EXTPROTO */	435	}
445	void
446	rxvt_privileged_utmp(pR_ char action)
447	{
448	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
449	action, R->next_utmp_action, getpid()));
450	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
451	|| (R->Options & Opt_utmpInhibit)
452	|| R->ttydev == NULL || *R->ttydev == '\0')
453	return;
454		436
455	rxvt_privileges(aR_ RESTORE);	437	int
456	if (action == SAVE) {	438	rxvt_xioerror_handler (Display *display)
457	R->next_utmp_action = RESTORE;	439	{
458	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	440	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
459	} else { /* action == RESTORE */	441	DisplayString (display));
460	R->next_utmp_action = IGNORE;	442	rxvt_emergency_cleanup ();
461	rxvt_cleanutent(aR);	443	_exit (EXIT_FAILURE);
		444	}
		445
		446	static struct sig_handlers
		447	{
		448	ev::sig sw_term, sw_int;
		449
		450	/*
		451	* Catch a fatal signal and tidy up before quitting
		452	*/
		453	void sig_term (ev::sig &w, int revents);
		454
		455	sig_handlers ()
		456	{
		457	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		458	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
462	}	459	}
463	rxvt_privileges(aR_ IGNORE);	460	} sig_handlers;
464	}
465	#endif
466		461
467	#ifndef NO_SETOWNER_TTYDEV
468	/* EXTPROTO */
469	void	462	void
470	rxvt_privileged_ttydev(pR_ char action)	463	sig_handlers::sig_term (ev::sig &w, int revents)
471	{	464	{
472	D_MAIN((stderr,	465	rxvt_emergency_cleanup ();
473	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",	466	w.stop ();
474	action, R->next_tty_action, getpid()));	467	kill (getpid (), w.signum);
475	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
476	|| R->ttydev == NULL || *R->ttydev == '\0')
477	return;
478
479	rxvt_privileges(aR_ RESTORE);
480
481	if (action == SAVE) {
482	R->next_tty_action = RESTORE;
483	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
484	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
485	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
486	R->next_tty_action = IGNORE;
487	else
488	# endif
489	{
490	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
491	chmod(R->ttydev, R->ttymode);
492	# ifdef HAVE_REVOKE
493	revoke(R->ttydev);
494	# endif
495	}
496	} else { /* action == RESTORE */
497	R->next_tty_action = IGNORE;
498	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
499	chmod(R->ttydev, R->ttyfd_stat.st_mode);
500	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
501	# else
502	chmod(R->ttydev,
503	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
504	chown(R->ttydev, 0, 0);
505	# endif
506	}
507
508	rxvt_privileges(aR_ IGNORE);
509
510	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
511	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
512	action == RESTORE ? "Restoring" : (action ==
513	SAVE ? "Saving" :
514	"UNKNOWN ERROR for"), R->ttydev,
515	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
516	R->ttyfd_stat.st_gid));
517	# endif
518	}	468	}
519	#endif	469
		470	char **rxvt_environ; // startup environment
		471
		472	void
		473	rxvt_init ()
		474	{
		475	ptytty::init ();
		476
		477	if (!ev_default_loop (0))
		478	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		479
		480	rxvt_environ = environ;
		481
		482	signal (SIGHUP, SIG_IGN);
		483	signal (SIGPIPE, SIG_IGN);
		484
		485	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		486	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		487
		488	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		489	/* signal (SIGURG, SIG_DFL); */
		490
		491	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		492	// TODO: handle this with exceptions and tolerate the memory loss
		493	XSetIOErrorHandler (rxvt_xioerror_handler);
		494
		495	XrmInitialize ();
		496	}
520		497
521	/*----------------------------------------------------------------------*/	498	/*----------------------------------------------------------------------*/
522	/*	499	/*
523	* window size/position calculcations for XSizeHint and other storage.	500	* window size/position calculations for XSizeHint and other storage.
524	* if width/height are non-zero then override calculated width/height	501	* if width/height are non-zero then override calculated width/height
525	*/	502	*/
526	void	503	void
527	rxvt_term::window_calc (unsigned int width, unsigned int height)	504	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
528	{	505	{
529	short recalc_x, recalc_y;	506	short recalc_x, recalc_y;
530	int x, y, sb_w, mb_h, flags;	507	int x, y, flags;
531	unsigned int w, h;	508	unsigned int w, h;
532	unsigned int max_width, max_height;	509	unsigned int max_width, max_height;
533		510
534	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
535	TermWin.ncol, TermWin.nrow, szHint.width,
536	szHint.height));
537	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	511	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
538	szHint.win_gravity = NorthWestGravity;	512	szHint.win_gravity = NorthWestGravity;
539	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	513	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
540		514
541	recalc_x = recalc_y = 0;	515	recalc_x = recalc_y = 0;
542	flags = 0;	516	flags = 0;
		517
543	if (!parsed_geometry) {	518	if (!parsed_geometry)
		519	{
544	parsed_geometry = 1;	520	parsed_geometry = 1;
		521
545	if (rs[Rs_geometry])	522	if (rs[Rs_geometry])
546	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	523	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		524
547	if (flags & WidthValue) {	525	if (flags & WidthValue)
548	TermWin.ncol = BOUND_POSITIVE_INT16(w);	526	{
		527	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
549	szHint.flags |= USSize;	528	szHint.flags |= USSize;
550	}	529	}
		530
551	if (flags & HeightValue) {	531	if (flags & HeightValue)
552	TermWin.nrow = BOUND_POSITIVE_INT16(h);	532	{
		533	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
553	szHint.flags |= USSize;	534	szHint.flags |= USSize;
554	}	535	}
		536
555	if (flags & XValue) {	537	if (flags & XValue)
		538	{
556	szHint.x = x;	539	szHint.x = x;
557	szHint.flags |= USPosition;	540	szHint.flags |= USPosition;
		541
558	if (flags & XNegative) {	542	if (flags & XNegative)
		543	{
559	recalc_x = 1;	544	recalc_x = 1;
560	szHint.win_gravity = NorthEastGravity;	545	szHint.win_gravity = NorthEastGravity;
561	}	546	}
562	}	547	}
		548
563	if (flags & YValue) {	549	if (flags & YValue)
		550	{
564	szHint.y = y;	551	szHint.y = y;
565	szHint.flags |= USPosition;	552	szHint.flags |= USPosition;
		553
566	if (flags & YNegative) {	554	if (flags & YNegative)
		555	{
567	recalc_y = 1;	556	recalc_y = 1;
		557
568	if (szHint.win_gravity == NorthEastGravity)	558	if (szHint.win_gravity == NorthEastGravity)
569	szHint.win_gravity = SouthEastGravity;	559	szHint.win_gravity = SouthEastGravity;
570	else	560	else
571	szHint.win_gravity = SouthWestGravity;	561	szHint.win_gravity = SouthWestGravity;
572	}	562	}
573	}	563	}
574	}	564	}
		565
575	/* TODO: BOUNDS */	566	/* TODO: BOUNDS */
576	TermWin.width = TermWin.ncol * TermWin.fwidth;	567	width = ncol * fwidth;
577	TermWin.height = TermWin.nrow * TermWin.fheight;	568	height = nrow * fheight;
578	max_width = MAX_COLS * TermWin.fwidth;	569	max_width = MAX_COLS * fwidth;
579	max_height = MAX_ROWS * TermWin.fheight;	570	max_height = MAX_ROWS * fheight;
580		571
581	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	572	szHint.base_width = szHint.base_height = 2 * int_bwidth;
582		573
583	sb_w = mb_h = 0;
584	window_vt_x = window_vt_y = 0;	574	window_vt_x = window_vt_y = int_bwidth;
585	if (scrollbar_visible (this)) {	575
		576	if (scrollBar.state)
		577	{
586	sb_w = scrollbar_TotalWidth();	578	int sb_w = scrollBar.total_width ();
587	szHint.base_width += sb_w;	579	szHint.base_width += sb_w;
		580
588	if (!(Options & Opt_scrollBar_right))	581	if (!option (Opt_scrollBar_right))
589	window_vt_x = sb_w;	582	window_vt_x += sb_w;
590	}	583	}
591	if (menubar_visible (this)) {	584
592	mb_h = menuBar_TotalHeight();
593	szHint.base_height += mb_h;
594	window_vt_y = mb_h;
595	}
596	szHint.width_inc = TermWin.fwidth;	585	szHint.width_inc = fwidth;
597	szHint.height_inc = TermWin.fheight;	586	szHint.height_inc = fheight;
598	szHint.min_width = szHint.base_width + szHint.width_inc;	587	szHint.min_width = szHint.base_width + szHint.width_inc;
599	szHint.min_height = szHint.base_height + szHint.height_inc;	588	szHint.min_height = szHint.base_height + szHint.height_inc;
600		589
601	if (width && width - szHint.base_width < max_width) {	590	if (newwidth && newwidth - szHint.base_width < max_width)
		591	{
602	szHint.width = width;	592	szHint.width = newwidth;
603	TermWin.width = width - szHint.base_width;	593	width = newwidth - szHint.base_width;
604	} else {	594	}
605	MIN_IT(TermWin.width, max_width);	595	else
		596	{
		597	min_it (width, max_width);
606	szHint.width = szHint.base_width + TermWin.width;	598	szHint.width = szHint.base_width + width;
607	}	599	}
		600
608	if (height && height - szHint.base_height < max_height) {	601	if (newheight && newheight - szHint.base_height < max_height)
		602	{
609	szHint.height = height;	603	szHint.height = newheight;
610	TermWin.height = height - szHint.base_height;	604	height = newheight - szHint.base_height;
611	} else {	605	}
		606	else
		607	{
612	MIN_IT(TermWin.height, max_height);	608	min_it (height, max_height);
613	szHint.height = szHint.base_height + TermWin.height;	609	szHint.height = szHint.base_height + height;
614	}	610	}
615	if (scrollbar_visible (this) && (Options & Opt_scrollBar_right))
616	window_sb_x = szHint.width - sb_w;
617		611
618	if (recalc_x)	612	if (recalc_x)
619	szHint.x += (DisplayWidth (Xdisplay, DefaultScreen (Xdisplay))	613	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
620	- szHint.width - 2 * TermWin.ext_bwidth);	614
621	if (recalc_y)	615	if (recalc_y)
622	szHint.y += (DisplayHeight (Xdisplay, DefaultScreen (Xdisplay))	616	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
623	- szHint.height - 2 * TermWin.ext_bwidth);
624		617
625	TermWin.ncol = TermWin.width / TermWin.fwidth;	618	ncol = width / fwidth;
626	TermWin.nrow = TermWin.height / TermWin.fheight;	619	nrow = height / fheight;
627	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
628	TermWin.ncol, TermWin.nrow, szHint.width,
629	szHint.height));
630	return;
631	}	620	}
632		621
633	/*----------------------------------------------------------------------*/	622	/*----------------------------------------------------------------------*/
634	/*	623	/*
635	* Tell the teletype handler what size the window is.	624	* Tell the teletype handler what size the window is.
636	* Called after a window size change.	625	* Called after a window size change.
637	*/	626	*/
638	void	627	void
639	rxvt_term::tt_winch ()	628	rxvt_term::tt_winch ()
640	{	629	{
641	struct winsize ws;	630	if (pty->pty < 0)
642
643	if (cmd_fd < 0)
644	return;	631	return;
645		632
		633	struct winsize ws;
		634
646	ws.ws_col = TermWin.ncol;	635	ws.ws_col = ncol;
647	ws.ws_row = TermWin.nrow;	636	ws.ws_row = nrow;
648	ws.ws_xpixel = ws.ws_ypixel = 0;	637	ws.ws_xpixel = width;
649	#ifndef DEBUG_SIZE	638	ws.ws_ypixel = height;
650	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	639	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
651	#else	640
652	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	641	#if 0
653	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	642	// TIOCSWINSZ is supposed to do this automatically and correctly
654	# ifdef SIGWINCH
655	else if (cmd_pid) /* force through to the command */	643	if (cmd_pid) /* force through to the command */
656	kill (cmd_pid, SIGWINCH);	644	kill (-cmd_pid, SIGWINCH);
657	# endif
658	#endif	645	#endif
659	}	646	}
660		647
661	/*----------------------------------------------------------------------*/	648	/*----------------------------------------------------------------------*/
662	/* rxvt_change_font() - Switch to a new font */	649	/* set_fonts () - load and set the various fonts
663	/*	650	*
664	* init = 1 - initialize	651	* init = 1 - initialize
665	*	652	*
666	* fontname == FONT_UP - switch to bigger font	653	* fontname == FONT_UP - switch to bigger font
667	* fontname == FONT_DN - switch to smaller font	654	* fontname == FONT_DN - switch to smaller font
668	*/	655	*/
669	/* EXTPROTO */	656	bool
670	void	657	rxvt_term::set_fonts ()
671	rxvt_change_font(pR_ int init, const char *fontname)
672	{	658	{
673	}	659	rxvt_fontset *fs = new rxvt_fontset (this);
		660	rxvt_fontprop prop;
674		661
675	/* INTPROTO */	662	if (!fs
		663	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		664	|| !fs->realize_font (1))
		665	{
		666	delete fs;
		667	return false;
		668	}
		669
		670	#if ENABLE_STYLES
		671	for (int i = RS_styleCount; --i; )
		672	if (fontset[i] != fontset[0])
		673	delete fontset[i];
		674	#endif
		675
		676	delete fontset[0];
		677	fontset[0] = fs;
		678
		679	prop = (*fs)[1]->properties ();
		680	prop.height += lineSpace;
		681
		682	fs->set_prop (prop, false);
		683
		684	fwidth = prop.width;
		685	fheight = prop.height;
		686	fbase = prop.ascent;
		687
		688	for (int style = 1; style < 4; style++)
		689	{
		690	#if ENABLE_STYLES
		691	const char *res = rs[Rs_font + style];
		692
		693	if (res && !*res)
		694	fontset[style] = fontset[0];
		695	else
		696	{
		697	fontset[style] = fs = new rxvt_fontset (this);
		698	rxvt_fontprop prop2 = prop;
		699
		700	if (res)
		701	{
		702	fs->populate (res);
		703	fs->set_prop (prop2, false);
		704	}
		705	else
		706	{
		707	fs->populate (fontset[0]->fontdesc);
		708
		709	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		710	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		711
		712	fs->set_prop (prop2, true);
		713	}
		714
		715	}
		716	#else
		717	fontset[style] = fontset[0];
		718	#endif
		719	}
		720
		721	if (parent[0])
		722	{
		723	resize_all_windows (0, 0, 0);
		724	scr_remap_chars ();
		725	scr_touch (true);
		726	}
		727
		728	return true;
		729	}
		730
676	void	731	void
677	rxvt_font_up_down(pR_ int n, int direction)	732	rxvt_term::set_string_property (Atom prop, const char *str, int len)
678	{	733	{
		734	XChangeProperty (dpy, parent[0],
		735	prop, XA_STRING, 8, PropModeReplace,
		736	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		737	}
		738
		739	void
		740	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		741	{
		742	wchar_t *ws = rxvt_mbstowcs (str, len);
		743	char *s = rxvt_wcstoutf8 (ws);
		744
		745	XChangeProperty (dpy, parent[0],
		746	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		747	(const unsigned char *)s, strlen (s));
		748
		749	free (s);
		750	free (ws);
679	}	751	}
680		752
681	/*----------------------------------------------------------------------*/	753	/*----------------------------------------------------------------------*/
682	/*----------------------------------------------------------------------*/	754	/*----------------------------------------------------------------------*/
683	/* xterm sequences - title, iconName, color (exptl) */	755	/* xterm sequences - title, iconName, color (exptl) */
684	/* EXTPROTO */
685	void	756	void
686	rxvt_set_title(pR_ const char *str)	757	rxvt_term::set_title (const char *str)
687	{	758	{
688	#ifndef SMART_WINDOW_TITLE	759	set_string_property (XA_WM_NAME, str);
689	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	760	#if ENABLE_EWMH
690	#else	761	set_utf8_property (xa[XA_NET_WM_NAME], str);
691	char *name;
692
693	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
694	name = NULL;
695	if (name == NULL || STRCMP(name, str))
696	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
697	if (name)
698	XFree(name);
699	#endif	762	#endif
700	}	763	}
701		764
702	/* EXTPROTO */
703	void	765	void
704	rxvt_set_iconName(pR_ const char *str)	766	rxvt_term::set_icon_name (const char *str)
705	{	767	{
706	#ifndef SMART_WINDOW_TITLE	768	set_string_property (XA_WM_ICON_NAME, str);
707	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	769	#if ENABLE_EWMH
708	#else	770	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
709	char *name;
710
711	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
712	name = NULL;
713	if (name == NULL || STRCMP(name, str))
714	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
715	if (name)
716	XFree(name);
717	#endif	771	#endif
718	}	772	}
719		773
		774	void
		775	rxvt_term::set_window_color (int idx, const char *color)
		776	{
720	#ifdef XTERM_COLOR_CHANGE	777	#ifdef XTERM_COLOR_CHANGE
721	/* EXTPROTO */
722	void
723	rxvt_set_window_color(pR_ int idx, const char *color)
724	{
725	rxvt_color xcol;	778	rxvt_color xcol;
726	int i;
727		779
728	if (color == NULL || *color == '\0')	780	if (color == NULL || *color == '\0')
729	return;	781	return;
730		782
		783	color = strdup (color);
		784	allocated.push_back ((void *)color);
		785	rs[Rs_color + idx] = color;
		786
731	/* handle color aliases */	787	/* handle color aliases */
732	if (isdigit(*color)) {	788	if (isdigit (*color))
		789	{
733	i = atoi(color);	790	int i = atoi (color);
734	if (i >= 8 && i <= 15) { /* bright colors */	791
735	i -= 8;	792	if (i >= 8 && i <= 15)
736	# ifndef NO_BRIGHTCOLOR	793	{
737	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	794	/* bright colors */
738	SET_PIXCOLOR(R, idx);	795	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
739	goto Done;	796	goto done;
740	# endif
741	}	797	}
742	if (i >= 0 && i <= 7) { /* normal colors */	798
743	R->PixColors[idx] = R->PixColors[minCOLOR + i];	799	if (i >= 0 && i <= 7)
744	SET_PIXCOLOR(R, idx);	800	{
		801	/* normal colors */
		802	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
745	goto Done;	803	goto done;
746	}	804	}
747	}	805	}
748	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
749	return;
750	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
751		806
752	/*	807	set_color (xcol, color);
		808
		809	/*
753	* FIXME: should free colors here, but no idea how to do it so instead,	810	* FIXME: should free colors here, but no idea how to do it so instead,
754	* so just keep gobbling up the colormap	811	* so just keep gobbling up the colormap
755	*/	812	*/
756	# if 0
757	for (i = Color_Black; i <= Color_White; i++)
758	if (R->PixColors[idx] == R->PixColors[i])
759	break;
760	if (i > Color_White) {
761	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
762	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
763	DisplayPlanes(R->Xdisplay, Xscreen));
764	}
765	# endif
766		813
767	R->PixColors[idx] = xcol;	814	pix_colors_focused[idx] = xcol;
768	SET_PIXCOLOR(R, idx);
769		815
770	/* XSetWindowAttributes attr; */	816	done:
771	/* Cursor cursor; */
772	Done:
773	if (idx == Color_bg && !(R->Options & Opt_transparent))
774	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
775	R->PixColors[Color_bg]);
776
777	/* handle Color_BD, scrollbar background, etc. */	817	/*TODO: handle Color_BD, scrollbar background, etc. */
778		818
779	rxvt_set_colorfgbg (aR);	819	update_fade_color (idx);
780	R->recolour_cursor ();	820	recolour_cursor ();
781	/* the only reasonable way to enforce a clean update */	821	scr_recolour ();
782	rxvt_scr_poweron (aR);	822	#endif /* XTERM_COLOR_CHANGE */
783	}	823	}
784
785	#else
786	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
787	#endif /* XTERM_COLOR_CHANGE */
788		824
789	void	825	void
790	rxvt_term::recolour_cursor ()	826	rxvt_term::recolour_cursor ()
791	{	827	{
792	#if TODO	828	XColor fg, bg;
793	rxvt_color xcol[2];
794		829
795	xcol[0] = PixColors[Color_pointer];	830	(ISSET_PIXCOLOR (Color_pointer_fg)
796	xcol[1] = PixColors[Color_bg];	831	? pix_colors_focused[Color_pointer_fg]
797	XQueryColors (Xdisplay, XCMAP, xcol, 2);	832	: pix_colors_focused[Color_fg]).get (fg);
		833
		834	(ISSET_PIXCOLOR (Color_pointer_bg)
		835	? pix_colors_focused[Color_pointer_bg]
		836	: pix_colors_focused[Color_bg]).get (bg);
		837
798	XRecolorCursor (Xdisplay, TermWin_cursor, &(xcol[0]), &(xcol[1]));	838	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
799	#endif
800	}	839	}
801		840
802	/*----------------------------------------------------------------------*/	841	/*----------------------------------------------------------------------*/
803	/*	842	/*
804	* find if fg/bg matches any of the normal (low-intensity) colors	843	* find if fg/bg matches any of the normal (low-intensity) colors
805	*/	844	*/
806	/* INTPROTO */
807	void	845	void
808	rxvt_set_colorfgbg(pR)	846	rxvt_term::set_colorfgbg ()
809	{	847	{
810	unsigned int i;	848	unsigned int i;
811	const char *xpmb = "\0";	849	const char *xpmb = "";
812	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	850	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
813		851
814	R->env_colorfgbg =	852	strcpy (fstr, "default");
815	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	853	strcpy (bstr, "default");
816	STRCPY(fstr, "default");
817	STRCPY(bstr, "default");
818	for (i = Color_Black; i <= Color_White; i++)	854	for (i = Color_Black; i <= Color_White; i++)
819	if (R->PixColors[Color_fg] == R->PixColors[i]) {	855	if (pix_colors[Color_fg] == pix_colors[i])
		856	{
820	sprintf(fstr, "%d", (i - Color_Black));	857	sprintf (fstr, "%d", (i - Color_Black));
821	break;	858	break;
822	}	859	}
		860
823	for (i = Color_Black; i <= Color_White; i++)	861	for (i = Color_Black; i <= Color_White; i++)
824	if (R->PixColors[Color_bg] == R->PixColors[i]) {	862	if (pix_colors[Color_bg] == pix_colors[i])
		863	{
825	sprintf(bstr, "%d", (i - Color_Black));	864	sprintf (bstr, "%d", (i - Color_Black));
826	#ifdef XPM_BACKGROUND	865	#ifdef BG_IMAGE_FROM_FILE
827	xpmb = "default;";	866	xpmb = "default;";
828	#endif	867	#endif
829	break;	868	break;
830	}	869	}
		870
831	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	871	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
832	putenv(R->env_colorfgbg);
833
834	#ifndef NO_BRIGHTCOLOR
835	R->colorfgbg = DEFAULT_RSTYLE;
836	for (i = minCOLOR; i <= maxCOLOR; i++) {
837	if (R->PixColors[Color_fg] == R->PixColors[i])
838	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
839	if (R->PixColors[Color_bg] == R->PixColors[i])
840	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
841	}
842	#endif
843	}	872	}
844		873
845	/*----------------------------------------------------------------------*/	874	/*----------------------------------------------------------------------*/
846	/*
847	* Colour determination for low colour displays, routine from
848	* Hans de Goede <hans@highrise.nl>
849	*/
850		875
851	/* EXTPROTO */	876	bool
852	int	877	rxvt_term::set_color (rxvt_color &color, const char *name)
853	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
854	{	878	{
855	screen_in_out->set(aR_ colour);	879	if (color.set (this, name))
856
857	if (!screen_in_out->set(aR_ colour)) {
858	rxvt_print_error("can't allocate colour: %s", colour);
859	return false;
860	}
861
862	return true;	880	return true;
		881
		882	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		883	return false;
		884	}
		885
		886	void
		887	rxvt_term::alias_color (int dst, int src)
		888	{
		889	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
863	}	890	}
864		891
865	/* -------------------------------------------------------------------- *	892	/* -------------------------------------------------------------------- *
866	* - WINDOW RESIZING - *	893	* - WINDOW RESIZING - *
867	* -------------------------------------------------------------------- */	894	* -------------------------------------------------------------------- */
868	void	895	void
869	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	896	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
870	{	897	{
871	int fix_screen;	898	int fix_screen;
		899	int old_width = szHint.width;
		900	int old_height = szHint.height;
872		901
873	#ifdef SMART_RESIZE
874	int old_width = szHint.width, old_height = szHint.height;
875	#endif
876
877	window_calc (width, height);	902	window_calc (newwidth, newheight);
		903
		904	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
878	XSetWMNormalHints (Xdisplay, TermWin.parent[0], &szHint);	905	XSetWMNormalHints (dpy, parent[0], &szHint);
		906
879	if (!ignoreparent)	907	if (!ignoreparent)
880	{	908	{
881	#ifdef SMART_RESIZE	909	#ifdef SMART_RESIZE
882	/*	910	/*
883	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	911	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
886	int x, y, x1, y1;	914	int x, y, x1, y1;
887	int dx, dy;	915	int dx, dy;
888	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	916	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
889	Window unused_cr;	917	Window unused_cr;
890		918
891	XTranslateCoordinates (Xdisplay, TermWin.parent[0], Xroot,	919	XTranslateCoordinates (dpy, parent[0], display->root,
892	0, 0, &x, &y, &unused_cr);	920	0, 0, &x, &y, &unused_cr);
893	XGetGeometry (Xdisplay, TermWin.parent[0], &unused_cr, &x1, &y1,	921	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
894	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	922	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
895	/*	923	/*
896	* if Xroot isn't the parent window, a WM will probably have offset	924	* if display->root isn't the parent window, a WM will probably have offset
897	* our position for handles and decorations. Counter it	925	* our position for handles and decorations. Counter it
898	*/	926	*/
899	if (x1 != x || y1 != y) {	927	if (x1 != x || y1 != y)
		928	{
900	x -= x1;	929	x -= x1;
901	y -= y1;	930	y -= y1;
902	}	931	}
903		932
904	x1 = (DisplayWidth (Xdisplay, Xscreen) - old_width) / 2;	933	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
905	y1 = (DisplayHeight (Xdisplay, Xscreen) - old_height) / 2;	934	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
906	dx = old_width - szHint.width;	935	dx = old_width - szHint.width;
907	dy = old_height - szHint.height;	936	dy = old_height - szHint.height;
908		937
909	/* Check position of the center of the window */	938	/* Check position of the center of the window */
910	if (x < x1) /* left half */	939	if (x < x1) /* left half */
911	dx = 0;	940	dx = 0;
912	else if (x == x1) /* exact center */	941	else if (x == x1) /* exact center */
913	dx /= 2;	942	dx /= 2;
914	if (y < y1) /* top half */	943	if (y < y1) /* top half */
915	dy = 0;	944	dy = 0;
916	else if (y == y1) /* exact center */	945	else if (y == y1) /* exact center */
917	dy /= 2;	946	dy /= 2;
918		947
919	XMoveResizeWindow (Xdisplay, TermWin.parent[0], x + dx, y + dy,	948	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
920	szHint.width, szHint.height);	949	szHint.width, szHint.height);
921	#else	950	#else
922	XResizeWindow (Xdisplay, TermWin.parent[0], szHint.width,	951	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
923	szHint.height);
924	#endif	952	#endif
925	}	953	}
926		954
927	fix_screen = (TermWin.ncol != prev_ncol	955	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
928	|| TermWin.nrow != prev_nrow);
929		956
930	if (fix_screen || width != old_width || height != old_height)	957	if (fix_screen || newwidth != old_width || newheight != old_height)
931	{	958	{
932	if (scrollbar_visible (this))	959	if (scrollBar.state)
933	{	960	scrollBar.resize ();
934	XMoveResizeWindow (Xdisplay, scrollBar.win, window_sb_x,
935	0, scrollbar_TotalWidth (), szHint.height);
936	resize_scrollbar ();
937	}
938		961
939	if (menubar_visible (this))	962	XMoveResizeWindow (dpy, vt,
940	XMoveResizeWindow (Xdisplay, menuBar.win, window_vt_x,	963	window_vt_x, window_vt_y,
941	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
942
943	XMoveResizeWindow (Xdisplay, TermWin.vt, window_vt_x,
944	window_vt_y, TermWin_TotalWidth (),
945	TermWin_TotalHeight ());	964	width, height);
946	#ifdef RXVT_GRAPHICS	965
947	if (old_height)	966	#ifdef HAVE_BG_PIXMAP
948	rxvt_Gr_Resize (this, old_width - szHint.base_width,	967	if (bgPixmap.window_size_sensitive ())
949	old_height - szHint.base_height);	968	update_background ();
950	#endif	969	#endif
		970
951	scr_clear ();	971	scr_clear ();
952	#ifdef XPM_BACKGROUND
953	rxvt_resize_pixmap (this);
954	#endif
955	}	972	}
956		973
957	if (fix_screen || old_height == 0)	974	if (fix_screen || old_height == 0)
958	{
959	int curr_screen = -1;
960	uint16_t old_ncol = prev_ncol;
961
962	/* scr_reset only works on the primary screen */
963	if (old_height) /* this is not the first time through */
964	curr_screen = rxvt_scr_change_screen (this, PRIMARY);
965
966	scr_reset();	975	scr_reset ();
967		976
968	if (curr_screen >= 0) /* this is not the first time through */	977	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
969	{	978	//scr_touch (false);
970	rxvt_scr_change_screen (this, curr_screen);
971	rxvt_selection_check (this, old_ncol != TermWin.ncol ? 4 : 0);
972	}
973	}
974		979
975	old_width = szHint.width;	980	#ifdef HAVE_BG_PIXMAP
976	old_height = szHint.height;	981	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		982	// if (bgPixmap.pixmap)
		983	// scr_touch (false);
		984	#endif
977		985
978	#ifdef USE_XIM	986	#ifdef USE_XIM
979	rxvt_IMSetStatusPosition (this);	987	IMSetPosition ();
980	#endif	988	#endif
981	}	989	}
982		990
983	/*	991	/*
984	* Set the width/height of the vt window in characters. Units are pixels.	992	* Set the width/height of the vt window in characters. Units are pixels.
985	* good for toggling 80/132 columns	993	* good for toggling 80/132 columns
986	*/	994	*/
987	/* EXTPROTO */
988	void	995	void
989	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	996	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
990	{	997	{
991	XWindowAttributes wattr;	998	XWindowAttributes wattr;
992		999
993	if (width == 0 || height == 0) {	1000	if (newwidth == 0 || newheight == 0)
		1001	{
994	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1002	XGetWindowAttributes (dpy, display->root, &wattr);
		1003
995	if (width == 0)	1004	if (newwidth == 0)
996	width = wattr.width - R->szHint.base_width;	1005	newwidth = wattr.width - szHint.base_width;
997	if (height == 0)	1006	if (newheight == 0)
998	height = wattr.height - R->szHint.base_height;	1007	newheight = wattr.height - szHint.base_height;
		1008	}
		1009
		1010	if (newwidth != width || newheight != height)
999	}	1011	{
1000	if (width != R->TermWin.width || height != R->TermWin.height) {
1001	width += R->szHint.base_width;	1012	newwidth += szHint.base_width;
1002	height += R->szHint.base_height;	1013	newheight += szHint.base_height;
1003	R->resize_all_windows (width, height, 0);	1014	resize_all_windows (newwidth, newheight, 0);
1004	}	1015	}
1005	}	1016	}
1006		1017
1007	/* -------------------------------------------------------------------- *	1018	/* -------------------------------------------------------------------- *
1008	* - X INPUT METHOD ROUTINES - *	1019	* - X INPUT METHOD ROUTINES - *
1009	* -------------------------------------------------------------------- */	1020	* -------------------------------------------------------------------- */
1010	#ifdef USE_XIM	1021	#ifdef USE_XIM
1011	void
1012	rxvt_term::set_size (XRectangle *size)
1013	{
1014	size->x = TermWin.int_bwidth;
1015	size->y = TermWin.int_bwidth;
1016	size->width = Width2Pixel(TermWin.ncol);
1017	size->height = Height2Pixel(TermWin.nrow);
1018	}
1019		1022
1020	void	1023	void
1021	rxvt_term::set_color (unsigned long *fg, unsigned long *bg)	1024	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1022	{	1025	{
1023	*fg = PixColors[Color_fg];	1026	fg = pix_colors [Color_fg];
1024	*bg = PixColors[Color_bg];	1027	bg = pix_colors [Color_bg];
		1028	}
		1029
		1030	void
		1031	rxvt_term::im_set_size (XRectangle &size)
		1032	{
		1033	// the int_bwidth terms make no sense to me
		1034	size.x = int_bwidth;
		1035	size.y = int_bwidth;
		1036	size.width = Width2Pixel (ncol) + int_bwidth;
		1037	size.height = Height2Pixel (nrow) + int_bwidth;
		1038	}
		1039
		1040	void
		1041	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1042	XRectangle &status_rect,
		1043	const XRectangle &needed_rect)
		1044	{
		1045	preedit_rect.x = needed_rect.width;
		1046	preedit_rect.y = 0;
		1047	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1048	preedit_rect.height = fheight;
		1049
		1050	status_rect.x = 0;
		1051	status_rect.y = 0;
		1052	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1053	status_rect.height = fheight;
1025	}	1054	}
1026		1055
1027	/* Checking whether input method is running. */	1056	/* Checking whether input method is running. */
1028	/* INTPROTO */
1029	Bool	1057	bool
1030	rxvt_IMisRunning(pR)	1058	rxvt_term::IMisRunning ()
1031	{	1059	{
1032	char *p;	1060	char *p;
1033	Atom atom;	1061	Atom atom;
1034	Window win;	1062	Window win;
1035	char server[IMBUFSIZ];	1063	char server[IMBUFSIZ];
1036		1064
1037	/* get current locale modifier */	1065	/* get current locale modifier */
1038	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1066	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1067	{
1039	STRCPY(server, "@server=");	1068	strcpy (server, "@server=");
1040	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1069	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1070
1041	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1071	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1042	*p = '\0';	1072	*p = '\0';
1043		1073
1044	atom = XInternAtom(R->Xdisplay, server, False);	1074	atom = XInternAtom (dpy, server, False);
1045	win = XGetSelectionOwner(R->Xdisplay, atom);	1075	win = XGetSelectionOwner (dpy, atom);
		1076
1046	if (win != None)	1077	if (win != None)
1047	return True;	1078	return True;
1048	}	1079	}
		1080
1049	return False;	1081	return False;
1050	}	1082	}
1051		1083
1052	/* EXTPROTO */
1053	void	1084	void
1054	rxvt_IMSendSpot(pR)	1085	rxvt_term::IMSendSpot ()
1055	{	1086	{
1056	XPoint spot;	1087	XPoint nspot;
1057	XVaNestedList preedit_attr;	1088	XVaNestedList preedit_attr;
1058		1089
1059	if (R->Input_Context == NULL	1090	if (!Input_Context
1060	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1091	|| !focus
1061	|| !(R->event_type == KeyPress	1092	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1062	|| R->event_type == Expose
1063	|| R->event_type == NoExpose
1064	|| R->event_type == SelectionNotify
1065	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1066	|| !rxvt_IMisRunning(aR))
1067	return;	1093	return;
1068		1094
1069	R->set_position (&spot);	1095	im_set_position (nspot);
1070		1096
		1097	if (nspot.x == spot.x && nspot.y == spot.y)
		1098	return;
		1099
		1100	spot = nspot;
		1101
1071	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1102	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1072	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1103	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1073	XFree(preedit_attr);	1104	XFree (preedit_attr);
1074	}	1105	}
1075		1106
1076	void	1107	void
1077	rxvt_term::set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,	1108	rxvt_term::im_destroy ()
1078	XRectangle * needed_rect)
1079	{	1109	{
1080	int mbh, vtx = 0;	1110	if (input_method)
		1111	{
		1112	if (Input_Context && input_method->xim)
		1113	XDestroyIC (Input_Context);
1081		1114
1082	if (scrollbar_visible (this) && !(Options & Opt_scrollBar_right))	1115	display->put_xim (input_method);
1083	vtx = scrollbar_TotalWidth();	1116	input_method = 0;
		1117	}
1084		1118
1085	mbh = menubar_visible (this) ? menuBar_TotalHeight() : 0;
1086	mbh -= TermWin.lineSpace;
1087
1088	preedit_rect->x = needed_rect->width + vtx;
1089	preedit_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1090
1091	preedit_rect->width = Width2Pixel(TermWin.ncol + 1) - needed_rect->width + vtx;
1092	preedit_rect->height = Height2Pixel(1);
1093
1094	status_rect->x = vtx;
1095	status_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1096
1097	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel(TermWin.ncol + 1);
1098	status_rect->height = Height2Pixel(1);
1099	}
1100
1101	/* ARGSUSED */
1102	/* INTPROTO */
1103	void
1104	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1105	__attribute__ ((unused)), XPointer call_data
1106	__attribute__ ((unused)))
1107	{
1108	dR;
1109
1110	R->Input_Context = NULL;	1119	Input_Context = 0;
1111	/* To avoid Segmentation Fault in C locale: Solaris only? */
1112	if (STRCMP(R->locale, "C"))
1113	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1114	rxvt_IMInstantiateCallback, NULL);
1115	}	1120	}
		1121
		1122	#ifdef ENABLE_XIM_ONTHESPOT
		1123
		1124	static void
		1125	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1126	{
		1127	((rxvt_term *)client_data)->make_current ();
		1128	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1129	}
		1130
		1131	static void
		1132	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1133	{
		1134	((rxvt_term *)client_data)->make_current ();
		1135	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1136	}
		1137
		1138	static void
		1139	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1140	{
		1141	rxvt_term *term = (rxvt_term *)client_data;
		1142	XIMText *text = call_data->text;
		1143
		1144	term->make_current ();
		1145
		1146	if (text)
		1147	{
		1148	void *str;
		1149
		1150	if (!text->encoding_is_wchar && text->string.multi_byte)
		1151	{
		1152	// of course, X makes it ugly again
		1153	if (term->rs[Rs_imLocale])
		1154	SET_LOCALE (term->rs[Rs_imLocale]);
		1155
		1156	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1157	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1158
		1159	if (term->rs[Rs_imLocale])
		1160	SET_LOCALE (term->locale);
		1161	}
		1162	else
		1163	str = (void *)text->string.wide_char;
		1164
		1165	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1166	DT_INT, call_data->caret,
		1167	DT_INT, call_data->chg_first,
		1168	DT_INT, call_data->chg_length,
		1169	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1170	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1171	DT_END));
		1172	}
		1173	else
		1174	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1175	DT_INT, call_data->caret,
		1176	DT_INT, call_data->chg_first,
		1177	DT_INT, call_data->chg_length,
		1178	DT_END));
		1179	}
		1180
		1181	#if 0
		1182	static void
		1183	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1184	{
		1185	((rxvt_term *)client_data)->make_current ();
		1186	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1187	DT_INT, call_data->position,
		1188	DT_INT, call_data->direction,
		1189	DT_INT, call_data->style,
		1190	DT_END));
		1191	}
		1192	#endif
		1193
		1194	#endif
1116		1195
1117	/*	1196	/*
1118	* Try to open a XIM with the current modifiers, then see if we can	1197	* Try to open a XIM with the current modifiers, then see if we can
1119	* open a suitable preedit type	1198	* open a suitable preedit type
1120	*/	1199	*/
1121	static Bool	1200	bool
1122	rxvt_IM_get_IC (pR)	1201	rxvt_term::IM_get_IC (const char *modifiers)
1123	{	1202	{
1124	int i, j, found;	1203	int i, j, found;
1125	XIM xim;	1204	XIM xim;
1126	XPoint spot;	1205	XPoint spot;
1127	XRectangle rect, status_rect, needed_rect;	1206	XRectangle rect, status_rect, needed_rect;
1128	unsigned long fg, bg;	1207	unsigned long fg, bg;
1129	const char *p;	1208	const char *p;
1130	char **s;	1209	char **s;
1131	XIMStyles *xim_styles;	1210	XIMStyles *xim_styles;
1132	XVaNestedList preedit_attr, status_attr;	1211	#ifdef ENABLE_XIM_ONTHESPOT
1133	XIMCallback ximcallback;	1212	XIMCallback xcb[4];
		1213	#endif
1134		1214
1135	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1215	set_environ (envv);
1136	xim = XOpenIM (R->Xdisplay, NULL, NULL, NULL);	1216
1137	if (xim == NULL)	1217	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1138	return False;	1218	return false;
1139		1219
		1220	input_method = display->get_xim (locale, modifiers);
		1221	if (input_method == NULL)
		1222	return false;
		1223
		1224	xim = input_method->xim;
		1225	spot.x = spot.y = -1;
		1226
1140	xim_styles = NULL;	1227	xim_styles = NULL;
1141	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1228	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1142	|| !xim_styles || !xim_styles->count_styles) {	1229	|| !xim_styles || !xim_styles->count_styles)
1143	XCloseIM(xim);	1230	{
		1231	im_destroy ();
1144	return False;	1232	return false;
		1233	}
		1234
		1235	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1236
		1237	for (int pi = 0; pi < 2; pi++)
1145	}	1238	{
		1239	p = pet[pi];
1146		1240
1147	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1241	if (!p)
1148	: "OverTheSpot,OffTheSpot,Root";	1242	continue;
		1243
1149	s = rxvt_splitcommastring(p);	1244	s = rxvt_splitcommastring (p);
		1245
1150	for (i = found = 0; !found && s[i]; i++) {	1246	for (i = found = 0; !found && s[i]; i++)
		1247	{
1151	if (!STRCMP(s[i], "OverTheSpot"))	1248	if (!strcmp (s[i], "OverTheSpot"))
1152	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1249	input_style = XIMPreeditPosition | XIMStatusNothing;
1153	else if (!STRCMP(s[i], "OffTheSpot"))	1250	else if (!strcmp (s[i], "OffTheSpot"))
1154	R->input_style = (XIMPreeditArea | XIMStatusArea);	1251	input_style = XIMPreeditArea | XIMStatusArea;
1155	else if (!STRCMP(s[i], "Root"))	1252	else if (!strcmp (s[i], "Root"))
1156	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1253	input_style = XIMPreeditNothing | XIMStatusNothing;
		1254	else if (!strcmp (s[i], "None"))
		1255	input_style = XIMPreeditNone | XIMStatusNone;
		1256	#ifdef ENABLE_XIM_ONTHESPOT
		1257	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1258	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1259	#endif
		1260	else
		1261	input_style = XIMPreeditNothing | XIMStatusNothing;
1157		1262
1158	for (j = 0; j < xim_styles->count_styles; j++)	1263	for (j = 0; j < xim_styles->count_styles; j++)
1159	if (R->input_style == xim_styles->supported_styles[j]) {	1264	if (input_style == xim_styles->supported_styles[j])
		1265	{
		1266	rxvt_freecommastring (s);
		1267
1160	found = 1;	1268	found = 1;
1161	break;	1269	goto foundpet;
1162	}	1270	}
		1271
		1272	}
		1273
		1274	rxvt_freecommastring (s);
1163	}	1275	}
1164	for (i = 0; s[i]; i++)	1276
1165	free(s[i]);	1277	foundpet:
1166	free(s);	1278
1167	XFree(xim_styles);	1279	XFree (xim_styles);
1168		1280
1169	if (!found) {	1281	if (!found)
1170	XCloseIM(xim);	1282	{
		1283	im_destroy ();
1171	return False;	1284	return false;
		1285	}
		1286
		1287	XFontSet fs = 0;
		1288	XVaNestedList preedit_attr = 0, status_attr = 0;
		1289
		1290	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1172	}	1291	{
		1292	// fake us a font-set, please
		1293	char **missing_charset_list;
		1294	int missing_charset_count;
		1295	char *def_string;
		1296	char pat[512];
1173		1297
1174	ximcallback.callback = rxvt_IMDestroyCallback;	1298	sprintf (pat,
		1299	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1300	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1301	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1302	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1303	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1304	"*",
		1305	fheight,
		1306	fheight + 1, fheight - 1,
		1307	fheight - 2, fheight + 2);
1175		1308
1176	/* XXX: not sure why we need this (as well as IC one below) */	1309	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1177	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1310	&missing_charset_list, &missing_charset_count, &def_string);
1178		1311
1179	preedit_attr = status_attr = NULL;	1312	if (missing_charset_list)
		1313	XFreeStringList (missing_charset_list);
1180		1314
		1315	if (!fs)
		1316	{
		1317	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1318	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1319	}
		1320	}
		1321
1181	if (R->input_style & XIMPreeditPosition) {	1322	if (input_style & XIMPreeditPosition)
		1323	{
1182	R->set_size (&rect);	1324	im_set_size (rect);
1183	R->set_position (&spot);	1325	im_set_position (spot);
1184	R->set_color (&fg, &bg);	1326	im_set_color (fg, bg);
1185		1327
1186	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1328	preedit_attr = XVaCreateNestedList (0,
		1329	XNForeground, fg,
		1330	XNBackground, bg,
		1331	XNArea, &rect,
1187	XNSpotLocation, &spot,	1332	XNSpotLocation, &spot,
1188	XNForeground, fg, XNBackground, bg,
1189	//XNFontSet, R->TermWin.fontset,	1333	XNFontSet, fs,
1190	NULL);
1191	} else if (R->input_style & XIMPreeditArea) {
1192	R->set_color (&fg, &bg);
1193
1194	/*
1195	* The necessary width of preedit area is unknown
1196	* until create input context.
1197	*/
1198	needed_rect.width = 0;
1199
1200	R->set_preedit_area(&rect, &status_rect, &needed_rect);
1201
1202	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1203	XNForeground, fg, XNBackground, bg,
1204	//XNFontSet, R->TermWin.fontset,
1205	NULL);
1206	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1207	XNForeground, fg, XNBackground, bg,
1208	//XNFontSet, R->TermWin.fontset,
1209	NULL);	1334	NULL);
1210	}	1335	}
1211	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,	1336	else if (input_style & XIMPreeditArea)
		1337	{
		1338	im_set_color (fg, bg);
		1339
		1340	/*
		1341	* The necessary width of preedit area is unknown
		1342	* until create input context.
		1343	*/
		1344	needed_rect.width = 0;
		1345	im_set_preedit_area (rect, status_rect, needed_rect);
		1346
		1347	preedit_attr = XVaCreateNestedList (0,
		1348	XNForeground, fg,
		1349	XNBackground, bg,
		1350	XNArea, &rect,
		1351	XNFontSet, fs,
		1352	NULL);
		1353	status_attr = XVaCreateNestedList (0,
		1354	XNForeground, fg,
		1355	XNBackground, bg,
		1356	XNArea, &status_rect,
		1357	XNFontSet, fs,
		1358	NULL);
		1359	}
		1360	#if ENABLE_XIM_ONTHESPOT
		1361	else if (input_style & XIMPreeditCallbacks)
		1362	{
		1363	im_set_position (spot);
		1364
		1365	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1366	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1367	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1368	# if 0
		1369	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1370	# endif
		1371
		1372	preedit_attr = XVaCreateNestedList (0,
		1373	XNSpotLocation, &spot,
		1374	XNPreeditStartCallback, &xcb[0],
		1375	XNPreeditDoneCallback , &xcb[1],
		1376	XNPreeditDrawCallback , &xcb[2],
		1377	# if 0
		1378	XNPreeditCaretCallback, &xcb[3],
		1379	# endif
		1380	NULL);
		1381	}
		1382	#endif
		1383
		1384	Input_Context = XCreateIC (xim,
		1385	XNInputStyle, input_style,
1212	XNClientWindow, R->TermWin.parent[0],	1386	XNClientWindow, vt,
1213	XNFocusWindow, R->TermWin.parent[0],	1387	XNFocusWindow, parent[0],
1214	XNDestroyCallback, &ximcallback,
1215	preedit_attr ? XNPreeditAttributes : NULL,	1388	preedit_attr ? XNPreeditAttributes : NULL,
1216	preedit_attr,	1389	preedit_attr,
1217	status_attr ? XNStatusAttributes : NULL,	1390	status_attr ? XNStatusAttributes : NULL,
1218	status_attr, NULL);	1391	status_attr, NULL);
1219	if (preedit_attr)	1392
1220	XFree(preedit_attr);	1393	if (preedit_attr) XFree (preedit_attr);
1221	if (status_attr)	1394	if (status_attr) XFree (status_attr);
1222	XFree(status_attr);	1395	if (fs) XFreeFontSet (dpy, fs);
		1396
1223	if (R->Input_Context == NULL) {	1397	if (Input_Context == NULL)
1224	rxvt_print_error("failed to create input context");	1398	{
1225	XCloseIM(xim);	1399	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1400	im_destroy ();
1226	return False;	1401	return false;
1227	}	1402	}
1228	if (R->input_style & XIMPreeditArea)	1403
1229	rxvt_IMSetStatusPosition(aR);	1404	#if 0
1230	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1405	// unfortunately, only the focus window is used by XIM, hard to fix
		1406	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1407	vt_select_input ();
		1408	#endif
		1409
		1410	IMSetPosition ();
		1411
1231	return True;	1412	return true;
1232	}	1413	}
1233		1414
1234	/*
1235	* X manual pages and include files don't match on some systems:
1236	* some think this is an XIDProc and others an XIMProc so we can't
1237	* use the first argument - need to update this to be nice for
1238	* both types via some sort of configure detection
1239	*/
1240	/* ARGSUSED */
1241	/* EXTPROTO */
1242	void	1415	void
1243	rxvt_IMInstantiateCallback(Display * unused	1416	rxvt_term::im_cb ()
1244	__attribute__ ((unused)), XPointer client_data
1245	__attribute__ ((unused)), XPointer call_data
1246	__attribute__ ((unused)))
1247	{	1417	{
1248	dR;	1418	int i;
1249	int i, found, had_im;
1250	const char *p;	1419	const char *p;
1251	char **s;	1420	char **s;
1252	char buf[IMBUFSIZ];	1421	char buf[IMBUFSIZ];
1253		1422
1254	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1423	make_current ();
		1424
		1425	im_destroy ();
		1426
1255	if (R->Input_Context)	1427	if (Input_Context)
1256	return;	1428	return;
1257		1429
1258	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1430	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1259	if (R->rs[Rs_imLocale])	1431	if (rs[Rs_imLocale])
1260	setlocale (LC_CTYPE, R->rs[Rs_imLocale]);	1432	SET_LOCALE (rs[Rs_imLocale]);
1261	#endif	1433	#endif
1262		1434
1263	p = R->rs[Rs_inputMethod];	1435	p = rs[Rs_inputMethod];
1264	if (p && *p)	1436	if (p && *p)
1265	{	1437	{
1266	bool found = false;	1438	bool found = false;
1267		1439
1268	s = rxvt_splitcommastring (p);	1440	s = rxvt_splitcommastring (p);
		1441
1269	for (i = 0; s[i]; i++)	1442	for (i = 0; s[i]; i++)
1270	{	1443	{
1271	if (*s[i])	1444	if (*s[i])
1272	{	1445	{
1273	STRCPY (buf, "@im=");	1446	strcpy (buf, "@im=");
1274	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1447	strncat (buf, s[i], IMBUFSIZ - 5);
1275	if ((p = XSetLocaleModifiers (buf)) && *p	1448	if (IM_get_IC (buf))
1276	&& rxvt_IM_get_IC (aR))
1277	{	1449	{
1278	found = true;	1450	found = true;
1279	break;	1451	break;
1280	}	1452	}
1281	}	1453	}
1282	}	1454	}
1283	for (i = 0; s[i]; i++)	1455
1284	free(s[i]);	1456	rxvt_freecommastring (s);
1285	free(s);
1286		1457
1287	if (found)	1458	if (found)
1288	goto done;	1459	goto done;
1289	}	1460	}
1290		1461
1291	/* try with XMODIFIERS env. var. */	1462	/* try with XMODIFIERS env. var. */
1292	if ((p = XSetLocaleModifiers ("")) && *p	1463	if (IM_get_IC (""))
1293	&& rxvt_IM_get_IC (aR))
1294	goto done;	1464	goto done;
1295		1465
1296	/* try with no modifiers base IF the user didn't specify an IM */	1466	/* try with no modifiers base IF the user didn't specify an IM */
1297	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1467	if (IM_get_IC ("@im=none"))
1298	&& rxvt_IM_get_IC (aR) == True)
1299	goto done;	1468	goto done;
1300		1469
1301	done:	1470	done:
1302	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1471	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1303	if (R->rs[Rs_imLocale])	1472	if (rs[Rs_imLocale])
1304	setlocale (LC_CTYPE, R->locale);	1473	SET_LOCALE (locale);
1305	#endif	1474	#endif
1306	}	1475	}
1307		1476
1308	/* EXTPROTO */
1309	void	1477	void
1310	rxvt_IMSetStatusPosition(pR)	1478	rxvt_term::IMSetPosition ()
1311	{	1479	{
1312	XRectangle preedit_rect, status_rect, *needed_rect;	1480	XRectangle preedit_rect, status_rect, *needed_rect;
1313	XVaNestedList preedit_attr, status_attr;	1481	XVaNestedList preedit_attr, status_attr;
1314		1482
1315	if (R->Input_Context == NULL	1483	if (!Input_Context
1316	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1484	|| !focus
		1485	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1317	|| !rxvt_IMisRunning(aR))	1486	|| !IMisRunning ())
1318	return;	1487	return;
1319		1488
		1489	if (input_style & XIMPreeditPosition)
		1490	{
		1491	im_set_size (preedit_rect);
		1492	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1493
		1494	XSetICValues (Input_Context,
		1495	XNPreeditAttributes, preedit_attr, NULL);
		1496	}
		1497	else
		1498	{
1320	/* Getting the necessary width of preedit area */	1499	/* Getting the necessary width of preedit area */
1321	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1500	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1322	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1501	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1323	XFree(status_attr);	1502	XFree (status_attr);
1324		1503
1325	R->set_preedit_area(&preedit_rect, &status_rect, needed_rect);	1504	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1505	XFree (needed_rect);
1326		1506
1327	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1507	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1328	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1508	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1329		1509
1330	XSetICValues(R->Input_Context,	1510	XSetICValues (Input_Context,
1331	XNPreeditAttributes, preedit_attr,	1511	XNPreeditAttributes, preedit_attr,
1332	XNStatusAttributes, status_attr, NULL);	1512	XNStatusAttributes, status_attr,
		1513	NULL);
1333		1514
		1515	XFree (status_attr);
		1516	}
		1517
1334	XFree(preedit_attr);	1518	XFree (preedit_attr);
1335	XFree(status_attr);
1336	}	1519	}
1337	#endif /* USE_XIM */	1520	#endif /* USE_XIM */
1338		1521
1339	/*----------------------------------------------------------------------*/	1522	void
1340	rxvt_t rxvt_current_term;	1523	rxvt_term::get_window_origin (int &x, int &y)
		1524	{
		1525	Window cr;
		1526	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1527	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1528	}
		1529
		1530	Pixmap
		1531	rxvt_term::get_pixmap_property (int prop_id)
		1532	{
		1533	if (prop_id > 0 && prop_id < NUM_XA)
		1534	if (xa[prop_id])
		1535	{
		1536	int aformat;
		1537	unsigned long nitems, bytes_after;
		1538	Atom atype;
		1539	unsigned char *prop = NULL;
		1540	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1541	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1542	&nitems, &bytes_after, &prop);
		1543	if (result == Success && prop && atype == XA_PIXMAP)
		1544	return *(Pixmap *)prop;
		1545	}
		1546
		1547	return None;
		1548	}
		1549
		1550	#ifdef HAVE_BG_PIXMAP
		1551	# if TRACE_PIXMAPS
		1552	# undef update_background
		1553	void
		1554	rxvt_term::trace_update_background (const char *file, int line)
		1555	{
		1556	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1557	update_background ();
		1558	}
		1559	# endif
		1560
		1561	void
		1562	rxvt_term::update_background ()
		1563	{
		1564	if (update_background_ev.is_active ())
		1565	return;
		1566
		1567	bgPixmap.invalidate ();
		1568
		1569	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1570
		1571	if (to_wait <= 0.)
		1572	bgPixmap.render ();
		1573	else
		1574	update_background_ev.start (to_wait);
		1575	}
		1576
		1577	void
		1578	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1579	{
		1580	make_current ();
		1581
		1582	update_background_ev.stop ();
		1583	bgPixmap.render ();
		1584	refresh_check ();
		1585	}
		1586
		1587	#endif /* HAVE_BG_PIXMAP */
1341		1588
1342	/*----------------------- end-of-file (C source) -----------------------*/	1589	/*----------------------- end-of-file (C source) -----------------------*/

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