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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.22 by pcg, Sat Jan 31 00:20:21 2004 UTC vs.
Revision 1.327 by root, Sun May 23 00:25:48 2010 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.22 2004/01/31 00:20:21 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
		40	#include <cassert>
37	#include <signal.h>	41	#include <csignal>
38
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>
41	#endif
42
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>
45	#endif
46
47	#include <cstring>	42	#include <cstring>
48		43
		44	#include <termios.h>
		45
		46	#ifdef HAVE_XSETLOCALE
		47	# define X_LOCALE
		48	# include <X11/Xlocale.h>
		49	#else
		50	# ifdef HAVE_SETLOCALE
		51	# include <clocale>
		52	# endif
		53	#endif
		54
		55	vector<rxvt_term *> rxvt_term::termlist;
		56
		57	// used to tell global functions which terminal instance is "active"
		58	rxvt_t rxvt_current_term;
		59
49	static char curlocale[128];	60	static char curlocale[128], savelocale[128];
50		61
51	void	62	bool
52	rxvt_set_locale (const char *locale)	63	rxvt_set_locale (const char *locale) NOTHROW
53	{	64	{
54	if (locale && STRNCMP (locale, curlocale, 128))	65	int size = strlen (locale) + 1;
55	{	66
56	STRNCPY (curlocale, locale, 128);	67	if (size > sizeof (curlocale))
		68	rxvt_fatal ("locale string too long, aborting.\n");
		69
		70	if (!locale || !memcmp (locale, curlocale, size))
		71	return false;
		72
		73	memcpy (curlocale, locale, size);
57	setlocale (LC_CTYPE, curlocale);	74	setlocale (LC_CTYPE, curlocale);
58	}	75	return true;
59	}	76	}
60		77
61	void *	78	void
62	rxvt_term::operator new (size_t s)	79	rxvt_push_locale (const char *locale) NOTHROW
63	{	80	{
64	void *p = malloc (s);	81	strcpy (savelocale, curlocale);
		82	rxvt_set_locale (locale);
		83	}
65		84
66	MEMSET (p, 0, s);	85	void
		86	rxvt_pop_locale () NOTHROW
		87	{
		88	rxvt_set_locale (savelocale);
		89	}
		90
		91	#if ENABLE_COMBINING
		92	class rxvt_composite_vec rxvt_composite;
		93
		94	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		95	{
		96	compose_char *cc;
		97
		98	// break compose chains, as stupid readline really likes to duplicate
		99	// composing characters for some reason near the end of a line.
		100	cc = (*this)[c1];
		101	while (cc)
		102	{
		103	if (cc->c2 == c2) return c1;
		104	cc = (*this)[cc->c1];
		105	}
		106
		107	// check to see whether this combination already exists otherwise
		108	for (cc = v.end (); cc-- > v.begin (); )
		109	{
		110	if (cc->c1 == c1 && cc->c2 == c2)
		111	return COMPOSE_LO + (cc - v.begin ());
		112	}
		113
		114	// allocate a new combination
		115	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		116	{
		117	static int seen;
		118
		119	if (!seen++)
		120	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		121
		122	return REPLACEMENT_CHAR;
		123	}
		124
		125	v.push_back (compose_char (c1, c2));
		126
		127	return v.size () - 1 + COMPOSE_LO;
		128	}
		129
		130	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		131	{
		132	compose_char *cc = (*this)[c];
		133
		134	if (!cc)
		135	{
		136	if (r) *r = c;
		137	return 1;
		138	}
		139
		140	int len = expand (cc->c1, r);
		141
		142	if (r) r += len;
		143
		144	if (cc->c2 != NOCHAR)
		145	{
		146	len++;
		147	if (r) *r++ = cc->c2;
		148	}
		149
67	return p;	150	return len;
68	}
69		151
70	void
71	rxvt_term::operator delete (void *p, size_t s)
72	{
73	free (p);
74	}	152	}
		153	#endif
75		154
76	rxvt_term::rxvt_term ()	155	rxvt_term::rxvt_term ()
77	:	156	{
		157	#if HAVE_BG_PIXMAP
		158	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		159	#endif
78	#ifdef CURSOR_BLINK	160	#ifdef CURSOR_BLINK
79	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);
80	#endif	162	#endif
81	#ifdef TEXT_BLINK	163	#ifdef TEXT_BLINK
82	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),
83	#endif	181	#endif
84	#ifdef POINTER_BLANK	182	#ifdef POINTER_BLANK
85	pointer_ev (this, &rxvt_term::pointer_cb),	183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
86	#endif	184	#endif
87	check_ev (this, &rxvt_term::check_cb),	185	#ifndef NO_BELL
88	destroy_ev (this, &rxvt_term::destroy_cb),	186	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
89	pty_ev (this, &rxvt_term::pty_cb),	187	#endif
90	x_ev (this, &rxvt_term::x_cb),	188	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
91	incr_ev (this, &rxvt_term::incr_cb)	189	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
92	{	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
93	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;
94	}	215	}
95		216
96	rxvt_term::~rxvt_term ()	217	rxvt_term::~rxvt_term ()
97	{	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
98	scr_release ();	271	scr_release ();
99		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);
100	free (locale);	282	free (locale);
101	free (codeset);	283	free (v_buffer);
		284	free (incr_buf);
102		285
103	#ifndef NO_SETOWNER_TTYDEV	286	delete envv;
104	privileged_ttydev (RESTORE);	287	delete argv;
105	#endif
106	#ifdef UTMP_SUPPORT
107	privileged_utmp (RESTORE);
108	#endif
109	#ifdef USE_XIM
110	if (Input_Context != NULL)
111	{
112	XDestroyIC (Input_Context);
113	Input_Context = NULL;
114	}
115	#endif
116		288
117	if (cmd_fd >= 0)	289	#ifdef KEYSYM_RESOURCE
118	close (cmd_fd);	290	delete keyboard;
		291	#endif
		292	#ifndef NO_RESOURCES
		293	XrmDestroyDatabase (option_db);
		294	#endif
		295	}
119		296
120	if (Xfd >= 0)	297	// child has exited, usually destroys
121	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));
122		302
123	delete PixColors;	303	cmd_pid = 0;
		304
		305	if (!option (Opt_hold))
		306	destroy ();
124	}	307	}
125		308
126	void	309	void
127	rxvt_term::destroy ()	310	rxvt_term::destroy ()
128	{	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
129	check_ev.stop ();	335	flush_ev.stop ();
130	pty_ev.stop ();	336	pty_ev.stop ();
131	x_ev.stop ();
132	#ifdef CURSOR_BLINK	337	#ifdef CURSOR_BLINK
133	cursor_blink_ev.stop ();	338	cursor_blink_ev.stop ();
134	#endif	339	#endif
135	#ifdef TEXT_BLINK	340	#ifdef TEXT_BLINK
136	text_blink_ev.stop ();	341	text_blink_ev.stop ();
137	#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
138	#ifdef POINTER_BLANK	349	#ifdef POINTER_BLANK
139	pointer_ev.stop ();	350	pointer_ev.stop ();
140	#endif	351	#endif
141		352
142	destroy_ev.start (0);	353	destroy_ev.start ();
143	}	354	}
144		355
145	void	356	void
146	rxvt_term::destroy_cb (time_watcher &w)	357	rxvt_term::destroy_cb (ev::idle &w, int revents)
147	{	358	{
148	SET_R (this);	359	make_current ();
149		360
150	delete this;	361	delete this;
151	}
152
153	/*----------------------------------------------------------------------*/
154	/* rxvt_init() */
155	/* LIBPROTO */
156	rxvt_t
157	rxvt_init (int argc, const char *const *argv)
158	{
159	SET_R (new rxvt_term);
160
161	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
162	{
163	delete GET_R;
164	SET_R (0);
165	}
166
167	return GET_R;
168	}
169
170	void
171	rxvt_init_signals ()
172	{
173	/* install exit handler for cleanup */
174	#if 0
175	#ifdef HAVE_ATEXIT
176	atexit(rxvt_clean_exit);
177	#else
178	#endif
179	#endif
180
181	struct sigaction sa;
182
183	sigfillset (&sa.sa_mask);
184	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
185	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
186	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
187	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
188	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
189	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
190	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
191
192	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
193	/* signal (SIGURG, SIG_DFL); */
194
195	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
196	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
197	}
198
199	bool
200	rxvt_term::init (int argc, const char *const *argv)
201	{
202	/*
203	* Save and then give up any super-user privileges
204	* If we need privileges in any area then we must specifically request it.
205	* We should only need to be root in these cases:
206	* 1. write utmp entries on some systems
207	* 2. chown tty on some systems
208	*/
209	privileges (SAVE);
210	privileges (IGNORE);
211
212	init_secondary ();
213
214	const char **cmd_argv = init_resources (argc, argv);
215
216	set_locale ("");
217
218	#if (MENUBAR_MAX)
219	menubar_read (rs[Rs_menu]);
220	#endif
221	#ifdef HAVE_SCROLLBARS
222	if (Options & Opt_scrollBar)
223	scrollBar.setIdle (); /* set existence for size calculations */
224	#endif
225
226	create_windows (argc, argv);
227
228	init_xlocale ();
229
230	scr_reset (); /* initialize screen */
231	#ifdef RXVT_GRAPHICS
232	Gr_reset (); /* reset graphics */
233	#endif
234
235	#if 0
236	#ifdef DEBUG_X
237	XSynchronize(Xdisplay, True);
238	#endif
239	#endif
240
241	#ifdef HAVE_SCROLLBARS
242	if (Options & Opt_scrollBar)
243	resize_scrollbar (); /* create and map scrollbar */
244	#endif
245	#if (MENUBAR_MAX)
246	if (menubar_visible(r))
247	XMapWindow (Xdisplay, menuBar.win);
248	#endif
249	#ifdef TRANSPARENT
250	if (Options & Opt_transparent)
251	{
252	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
253	check_our_parents ();
254	}
255	#endif
256	XMapWindow (Xdisplay, TermWin.vt);
257	XMapWindow (Xdisplay, TermWin.parent[0]);
258
259	init_env ();
260	init_command (cmd_argv);
261
262	x_ev.start (Xfd, EVENT_READ);
263	pty_ev.start (cmd_fd, EVENT_READ);
264
265	check_ev.start ();
266
267	process_x_events ();
268
269	return true;
270	}
271
272	/* ------------------------------------------------------------------------- *
273	* SIGNAL HANDLING & EXIT HANDLER *
274	* ------------------------------------------------------------------------- */
275	/*
276	* Catch a SIGCHLD signal and exit if the direct child has died
277	*/
278	/* ARGSUSED */
279	/* EXTPROTO */
280	RETSIGTYPE
281	rxvt_Child_signal(int sig __attribute__ ((unused)))
282	{
283	int pid, save_errno = errno;
284	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
285	;
286	errno = save_errno;
287
288	#if 0
289	if (pid == cmd_pid)
290	exit (EXIT_SUCCESS);
291	#endif
292	}
293
294	/*
295	* Catch a fatal signal and tidy up before quitting
296	*/
297	/* EXTPROTO */
298	RETSIGTYPE
299	rxvt_Exit_signal(int sig)
300	{
301	signal(sig, SIG_DFL);
302	#ifdef DEBUG_CMD
303	rxvt_print_error("signal %d", sig);
304	#endif
305	rxvt_clean_exit();
306	kill(getpid(), sig);
307	}
308
309	/* ARGSUSED */
310	/* EXTPROTO */
311	int
312	rxvt_xerror_handler(const Display * display
313	__attribute__ ((unused)), const XErrorEvent * event)
314	{
315	if (GET_R->allowedxerror == -1)
316	GET_R->allowedxerror = event->error_code;
317	else
318	{
319	rxvt_print_error("XError: Request: %d . %d, Error: %d",
320	event->request_code, event->minor_code,
321	event->error_code);
322
323	GET_R->destroy ();
324	}
325
326	return 0;
327	}	362	}
328		363
329	/*----------------------------------------------------------------------*/	364	/*----------------------------------------------------------------------*/
330	/*	365	/*
331	* Exit gracefully, clearing the utmp entry and restoring tty attributes	366	* Exit gracefully, clearing the utmp entry and restoring tty attributes
332	* 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
333	*/	368	*/
334	/* EXTPROTO */	369	static XErrorHandler old_xerror_handler;
335	void
336	rxvt_clean_exit ()
337	{
338	GET_R->destroy ();
339	}
340		370
341	/* ------------------------------------------------------------------------- *	371	static void
342	* MEMORY ALLOCATION WRAPPERS *	372	rxvt_emergency_cleanup ()
343	* ------------------------------------------------------------------------- */
344	/* EXTPROTO */
345	void *
346	rxvt_malloc(size_t size)
347	{	373	{
348	void *p;	374	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
349		375	(*t)->emergency_cleanup ();
350	p = malloc(size);
351	if (p)
352	return p;
353
354	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
355	rxvt_clean_exit();
356	exit(EXIT_FAILURE);
357	/* NOTREACHED */
358	}	376	}
359		377
360	/* EXTPROTO */	378	#if !ENABLE_MINIMAL
361	void *	379	static void
362	rxvt_calloc(size_t number, size_t size)	380	print_x_error (Display *dpy, XErrorEvent *event)
363	{	381	{
364	void *p;	382	char buffer[BUFSIZ];
365		383	char mesg[BUFSIZ];
366	p = calloc(number, size);	384	char number[32];
367	if (p)	385	char *mtype = "XlibMessage";
368	return p;	386	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
369		387	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
370	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	388	rxvt_warn ("An X Error occured, trying to continue after report.\n");
371	rxvt_clean_exit();	389	rxvt_warn ("%s: %s\n", mesg, buffer);
372	exit(EXIT_FAILURE);	390	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
373	/* NOTREACHED */	391	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
374	}	392	sprintf(number, "%d", event->request_code);
375		393	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
376	/* EXTPROTO */	394	rxvt_warn ("(which is %s)\n", buffer);
377	void *	395	if (event->request_code >= 128) {
378	rxvt_realloc(void *ptr, size_t size)	396	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
379	{	397	mesg, BUFSIZ);
380	void *p;	398	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
381
382	if (ptr)
383	p = realloc(ptr, size);
384	else
385	p = malloc(size);
386	if (p)
387	return p;
388
389	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
390	rxvt_clean_exit();
391	exit(EXIT_FAILURE);
392	/* NOTREACHED */
393	}
394
395	/* ------------------------------------------------------------------------- *
396	* PRIVILEGED OPERATIONS *
397	* ------------------------------------------------------------------------- */
398	/* take care of suid/sgid super-user (root) privileges */
399	void
400	rxvt_term::privileges (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
409	# ifdef HAVE_SETEUID
410	switch (mode) {
411	case IGNORE:
412	/*
413	* change effective uid/gid - not real uid/gid - so we can switch
414	* back to root later, as required
415	*/
416	seteuid(getuid());
417	setegid(getgid());
418	break;
419	case SAVE:
420	euid = geteuid();
421	egid = getegid();
422	break;
423	case RESTORE:
424	seteuid(euid);
425	setegid(egid);
426	break;
427	}	399	}
428	# else	400	if ((event->error_code == BadWindow) ||
429	switch (mode) {	401	(event->error_code == BadPixmap) ||
430	case IGNORE:	402	(event->error_code == BadCursor) ||
431	setuid(getuid());	403	(event->error_code == BadFont) ||
432	setgid(getgid());	404	(event->error_code == BadDrawable) ||
433	/* FALLTHROUGH */	405	(event->error_code == BadColor) ||
434	case SAVE:	406	(event->error_code == BadGC) ||
435	/* FALLTHROUGH */	407	(event->error_code == BadIDChoice) ||
436	case RESTORE:	408	(event->error_code == BadValue) ||
437	break;	409	(event->error_code == BadAtom)) {
438	}	410	if (event->error_code == BadValue)
439	# endif	411	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
440	#endif	412	mesg, BUFSIZ);
441	}	413	else if (event->error_code == BadAtom)
442		414	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
443	#ifdef UTMP_SUPPORT	415	mesg, BUFSIZ);
444	void
445	rxvt_term::privileged_utmp (char action)
446	{
447	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
448	action, next_utmp_action, getpid()));
449	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
450	|| (Options & Opt_utmpInhibit)
451	|| ttydev == NULL || *ttydev == '\0')
452	return;
453
454	privileges (RESTORE);
455	if (action == SAVE) {
456	next_utmp_action = RESTORE;
457	makeutent (ttydev, rs[Rs_display_name]);
458	} else { /* action == RESTORE */
459	next_utmp_action = IGNORE;
460	cleanutent ();
461	}
462	privileges (IGNORE);
463	}
464	#endif
465
466	#ifndef NO_SETOWNER_TTYDEV
467	void
468	rxvt_term::privileged_ttydev (char action)
469	{
470	D_MAIN((stderr,
471	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
472	action, next_tty_action, getpid()));
473	if (next_tty_action != action || (action != SAVE && action != RESTORE)
474	|| ttydev == NULL || *ttydev == '\0')
475	return;
476
477	privileges (RESTORE);
478
479	if (action == SAVE) {
480	next_tty_action = RESTORE;
481	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
482	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
483	if (lstat(ttydev, &ttyfd_stat) < 0) /* you lose out */
484	next_tty_action = IGNORE;
485	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	}
486	# endif	425	#endif
487	{	426
488	chown(ttydev, getuid(), ttygid); /* fail silently */	427	int
489	chmod(ttydev, ttymode);	428	rxvt_xerror_handler (Display *display, XErrorEvent *event)
490	# ifdef HAVE_REVOKE	429	{
491	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);
492	# endif	440	#endif
493	}	441	}
494	} else { /* action == RESTORE */	442
495	next_tty_action = IGNORE;	443	return 0;
496	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	444	}
497	chmod(ttydev, ttyfd_stat.st_mode);	445
498	chown(ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);	446	int
499	# else	447	rxvt_xioerror_handler (Display *display)
500	chmod(ttydev,	448	{
501	(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",
502	chown(ttydev, 0, 0);	450	DisplayString (display));
503	# 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);
504	}	468	}
		469	} sig_handlers;
505		470
506	privileges (IGNORE);	471	void
507		472	sig_handlers::sig_term (ev::sig &w, int revents)
508	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	473	{
509	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	474	rxvt_emergency_cleanup ();
510	action == RESTORE ? "Restoring" : (action ==	475	w.stop ();
511	SAVE ? "Saving" :	476	kill (getpid (), w.signum);
512	"UNKNOWN ERROR for"), ttydev,
513	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
514	ttyfd_stat.st_gid));
515	# endif
516	}	477	}
517	#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	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		501	/* signal (SIGURG, SIG_DFL); */
		502
		503	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		504	// TODO: handle this with exceptions and tolerate the memory loss
		505	XSetIOErrorHandler (rxvt_xioerror_handler);
		506
		507	XrmInitialize ();
		508	}
518		509
519	/*----------------------------------------------------------------------*/	510	/*----------------------------------------------------------------------*/
520	/*	511	/*
521	* window size/position calculcations for XSizeHint and other storage.	512	* window size/position calculations for XSizeHint and other storage.
522	* if width/height are non-zero then override calculated width/height	513	* if width/height are non-zero then override calculated width/height
523	*/	514	*/
524	void	515	void
525	rxvt_term::window_calc (unsigned int width, unsigned int height)	516	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
526	{	517	{
527	short recalc_x, recalc_y;	518	short recalc_x, recalc_y;
528	int x, y, sb_w, mb_h, flags;	519	int x, y, flags;
529	unsigned int w, h;	520	unsigned int w, h;
530	unsigned int max_width, max_height;	521	unsigned int max_width, max_height;
531		522
532	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
533	TermWin.ncol, TermWin.nrow, szHint.width,
534	szHint.height));
535	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	523	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
536	szHint.win_gravity = NorthWestGravity;	524	szHint.win_gravity = NorthWestGravity;
537	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	525	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
538		526
539	recalc_x = recalc_y = 0;	527	recalc_x = recalc_y = 0;
540	flags = 0;	528	flags = 0;
		529
541	if (!parsed_geometry) {	530	if (!parsed_geometry)
		531	{
542	parsed_geometry = 1;	532	parsed_geometry = 1;
		533
543	if (rs[Rs_geometry])	534	if (rs[Rs_geometry])
544	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	535	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		536
545	if (flags & WidthValue) {	537	if (flags & WidthValue)
546	TermWin.ncol = BOUND_POSITIVE_INT16(w);	538	{
		539	if (!w)
		540	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		541
		542	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
547	szHint.flags |= USSize;	543	szHint.flags |= USSize;
548	}	544	}
		545
549	if (flags & HeightValue) {	546	if (flags & HeightValue)
550	TermWin.nrow = BOUND_POSITIVE_INT16(h);	547	{
		548	if (!h)
		549	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		550
		551	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
551	szHint.flags |= USSize;	552	szHint.flags |= USSize;
552	}	553	}
		554
553	if (flags & XValue) {	555	if (flags & XValue)
		556	{
554	szHint.x = x;	557	szHint.x = x;
555	szHint.flags |= USPosition;	558	szHint.flags |= USPosition;
		559
556	if (flags & XNegative) {	560	if (flags & XNegative)
		561	{
557	recalc_x = 1;	562	recalc_x = 1;
558	szHint.win_gravity = NorthEastGravity;	563	szHint.win_gravity = NorthEastGravity;
559	}	564	}
560	}	565	}
		566
561	if (flags & YValue) {	567	if (flags & YValue)
		568	{
562	szHint.y = y;	569	szHint.y = y;
563	szHint.flags |= USPosition;	570	szHint.flags |= USPosition;
		571
564	if (flags & YNegative) {	572	if (flags & YNegative)
		573	{
565	recalc_y = 1;	574	recalc_y = 1;
		575
566	if (szHint.win_gravity == NorthEastGravity)	576	if (szHint.win_gravity == NorthEastGravity)
567	szHint.win_gravity = SouthEastGravity;	577	szHint.win_gravity = SouthEastGravity;
568	else	578	else
569	szHint.win_gravity = SouthWestGravity;	579	szHint.win_gravity = SouthWestGravity;
570	}	580	}
571	}	581	}
572	}	582	}
		583
573	/* TODO: BOUNDS */	584	/* TODO: BOUNDS */
574	TermWin.width = TermWin.ncol * TermWin.fwidth;	585	width = ncol * fwidth;
575	TermWin.height = TermWin.nrow * TermWin.fheight;	586	height = nrow * fheight;
576	max_width = MAX_COLS * TermWin.fwidth;	587	max_width = MAX_COLS * fwidth;
577	max_height = MAX_ROWS * TermWin.fheight;	588	max_height = MAX_ROWS * fheight;
578		589
579	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	590	szHint.base_width = szHint.base_height = 2 * int_bwidth;
580		591
581	sb_w = mb_h = 0;
582	window_vt_x = window_vt_y = 0;	592	window_vt_x = window_vt_y = int_bwidth;
583	if (scrollbar_visible ()) {	593
		594	if (scrollBar.state)
		595	{
584	sb_w = scrollbar_TotalWidth();	596	int sb_w = scrollBar.total_width ();
585	szHint.base_width += sb_w;	597	szHint.base_width += sb_w;
		598
586	if (!(Options & Opt_scrollBar_right))	599	if (!option (Opt_scrollBar_right))
587	window_vt_x = sb_w;	600	window_vt_x += sb_w;
588	}	601	}
589	if (menubar_visible ()) {	602
590	mb_h = menuBar_TotalHeight();
591	szHint.base_height += mb_h;
592	window_vt_y = mb_h;
593	}
594	szHint.width_inc = TermWin.fwidth;	603	szHint.width_inc = fwidth;
595	szHint.height_inc = TermWin.fheight;	604	szHint.height_inc = fheight;
596	szHint.min_width = szHint.base_width + szHint.width_inc;	605	szHint.min_width = szHint.base_width + szHint.width_inc;
597	szHint.min_height = szHint.base_height + szHint.height_inc;	606	szHint.min_height = szHint.base_height + szHint.height_inc;
598		607
599	if (width && width - szHint.base_width < max_width) {	608	if (newwidth && newwidth - szHint.base_width < max_width)
		609	{
600	szHint.width = width;	610	szHint.width = newwidth;
601	TermWin.width = width - szHint.base_width;	611	width = newwidth - szHint.base_width;
602	} else {	612	}
603	MIN_IT(TermWin.width, max_width);	613	else
		614	{
		615	min_it (width, max_width);
604	szHint.width = szHint.base_width + TermWin.width;	616	szHint.width = szHint.base_width + width;
605	}	617	}
		618
606	if (height && height - szHint.base_height < max_height) {	619	if (newheight && newheight - szHint.base_height < max_height)
		620	{
607	szHint.height = height;	621	szHint.height = newheight;
608	TermWin.height = height - szHint.base_height;	622	height = newheight - szHint.base_height;
609	} else {	623	}
		624	else
		625	{
610	MIN_IT(TermWin.height, max_height);	626	min_it (height, max_height);
611	szHint.height = szHint.base_height + TermWin.height;	627	szHint.height = szHint.base_height + height;
612	}	628	}
613	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
614	window_sb_x = szHint.width - sb_w;
615		629
616	if (recalc_x)	630	if (recalc_x)
617	szHint.x += (DisplayWidth (Xdisplay, DefaultScreen (Xdisplay))	631	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
618	- szHint.width - 2 * TermWin.ext_bwidth);	632
619	if (recalc_y)	633	if (recalc_y)
620	szHint.y += (DisplayHeight (Xdisplay, DefaultScreen (Xdisplay))	634	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
621	- szHint.height - 2 * TermWin.ext_bwidth);
622		635
623	TermWin.ncol = TermWin.width / TermWin.fwidth;	636	ncol = width / fwidth;
624	TermWin.nrow = TermWin.height / TermWin.fheight;	637	nrow = height / fheight;
625	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
626	TermWin.ncol, TermWin.nrow, szHint.width,
627	szHint.height));
628	return;
629	}	638	}
630		639
631	/*----------------------------------------------------------------------*/	640	/*----------------------------------------------------------------------*/
632	/*	641	/*
633	* Tell the teletype handler what size the window is.	642	* Tell the teletype handler what size the window is.
634	* Called after a window size change.	643	* Called after a window size change.
635	*/	644	*/
636	void	645	void
637	rxvt_term::tt_winch ()	646	rxvt_term::tt_winch ()
638	{	647	{
		648	if (pty->pty < 0)
		649	return;
		650
639	struct winsize ws;	651	struct winsize ws;
640		652
641	if (cmd_fd < 0)
642	return;
643
644	ws.ws_col = TermWin.ncol;	653	ws.ws_col = ncol;
645	ws.ws_row = TermWin.nrow;	654	ws.ws_row = nrow;
646	ws.ws_xpixel = ws.ws_ypixel = 0;	655	ws.ws_xpixel = width;
647	#ifndef DEBUG_SIZE	656	ws.ws_ypixel = height;
648	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	657	ioctl (pty->pty, TIOCSWINSZ, &ws);
649	#else	658
650	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	659	#if 0
651	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	660	// TIOCSWINSZ is supposed to do this automatically and correctly
652	# ifdef SIGWINCH
653	else if (cmd_pid) /* force through to the command */	661	if (cmd_pid) /* force through to the command */
654	kill (cmd_pid, SIGWINCH);	662	kill (-cmd_pid, SIGWINCH);
655	# endif
656	#endif	663	#endif
657	}	664	}
658		665
659	/*----------------------------------------------------------------------*/	666	/*----------------------------------------------------------------------*/
660	/* rxvt_change_font() - Switch to a new font */	667	/* set_fonts () - load and set the various fonts
661	/*	668	*
662	* init = 1 - initialize	669	* init = 1 - initialize
663	*	670	*
664	* fontname == FONT_UP - switch to bigger font	671	* fontname == FONT_UP - switch to bigger font
665	* fontname == FONT_DN - switch to smaller font	672	* fontname == FONT_DN - switch to smaller font
666	*/	673	*/
667	void	674	bool
668	rxvt_term::change_font (int init, const char *fontname)	675	rxvt_term::set_fonts ()
669	{	676	{
670	}	677	rxvt_fontset *fs = new rxvt_fontset (this);
		678	rxvt_fontprop prop;
671		679
		680	if (!fs
		681	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		682	|| !fs->realize_font (1))
		683	{
		684	delete fs;
		685	return false;
		686	}
		687
		688	#if ENABLE_STYLES
		689	for (int i = RS_styleCount; --i; )
		690	if (fontset[i] != fontset[0])
		691	delete fontset[i];
		692	#endif
		693
		694	delete fontset[0];
		695	fontset[0] = fs;
		696
		697	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		698	prop.height += lineSpace;
		699	prop.width += letterSpace;
		700
		701	fs->set_prop (prop, false);
		702
		703	fwidth = prop.width;
		704	fheight = prop.height;
		705	fbase = prop.ascent;
		706
		707	for (int style = 1; style < 4; style++)
		708	{
		709	#if ENABLE_STYLES
		710	const char *res = rs[Rs_font + style];
		711
		712	if (res && !*res)
		713	fontset[style] = fontset[0];
		714	else
		715	{
		716	fontset[style] = fs = new rxvt_fontset (this);
		717	rxvt_fontprop prop2 = prop;
		718
		719	if (res)
		720	{
		721	fs->populate (res);
		722	fs->set_prop (prop2, false);
		723	}
		724	else
		725	{
		726	fs->populate (fontset[0]->fontdesc);
		727
		728	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		729	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		730
		731	fs->set_prop (prop2, true);
		732	}
		733
		734	}
		735	#else
		736	fontset[style] = fontset[0];
		737	#endif
		738	}
		739
		740	if (parent[0])
		741	{
		742	resize_all_windows (0, 0, 0);
		743	scr_remap_chars ();
		744	scr_touch (true);
		745	}
		746
		747	return true;
		748	}
		749
672	void	750	void
673	rxvt_term::font_up_down (int n, int direction)	751	rxvt_term::set_string_property (Atom prop, const char *str, int len)
674	{	752	{
		753	XChangeProperty (dpy, parent[0],
		754	prop, XA_STRING, 8, PropModeReplace,
		755	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		756	}
		757
		758	void
		759	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		760	{
		761	wchar_t *ws = rxvt_mbstowcs (str, len);
		762	char *s = rxvt_wcstoutf8 (ws);
		763
		764	XChangeProperty (dpy, parent[0],
		765	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		766	(const unsigned char *)s, strlen (s));
		767
		768	free (s);
		769	free (ws);
675	}	770	}
676		771
677	/*----------------------------------------------------------------------*/	772	/*----------------------------------------------------------------------*/
678	/*----------------------------------------------------------------------*/	773	/*----------------------------------------------------------------------*/
679	/* xterm sequences - title, iconName, color (exptl) */	774	/* xterm sequences - title, iconName, color (exptl) */
680	void	775	void
681	rxvt_term::set_title (const char *str)	776	rxvt_term::set_title (const char *str)
682	{	777	{
683	#ifndef SMART_WINDOW_TITLE	778	set_string_property (XA_WM_NAME, str);
684	XStoreName(Xdisplay, TermWin.parent[0], str);	779	#if ENABLE_EWMH
685	#else	780	set_utf8_property (xa[XA_NET_WM_NAME], str);
686	char *name;
687
688	if (XFetchName(Xdisplay, TermWin.parent[0], &name) == 0)
689	name = NULL;
690	if (name == NULL || STRCMP(name, str))
691	XStoreName(Xdisplay, TermWin.parent[0], str);
692	if (name)
693	XFree(name);
694	#endif	781	#endif
695	}	782	}
696		783
697	void	784	void
698	rxvt_term::set_iconName (const char *str)	785	rxvt_term::set_icon_name (const char *str)
699	{	786	{
700	#ifndef SMART_WINDOW_TITLE	787	set_string_property (XA_WM_ICON_NAME, str);
701	XSetIconName(Xdisplay, TermWin.parent[0], str);	788	#if ENABLE_EWMH
702	#else	789	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
703	char *name;
704
705	if (XGetIconName(Xdisplay, TermWin.parent[0], &name))
706	name = NULL;
707	if (name == NULL || STRCMP(name, str))
708	XSetIconName(Xdisplay, TermWin.parent[0], str);
709	if (name)
710	XFree(name);
711	#endif	790	#endif
712	}	791	}
713		792
		793	void
		794	rxvt_term::set_window_color (int idx, const char *color)
		795	{
714	#ifdef XTERM_COLOR_CHANGE	796	#ifdef XTERM_COLOR_CHANGE
715	void
716	rxvt_term::set_window_color (int idx, const char *color)
717	{
718	rxvt_color xcol;	797	rxvt_color xcol;
719	int i;
720		798
721	if (color == NULL || *color == '\0')	799	if (color == NULL || *color == '\0')
722	return;	800	return;
723		801
		802	color = strdup (color);
		803	allocated.push_back ((void *)color);
		804	rs[Rs_color + idx] = color;
		805
724	/* handle color aliases */	806	/* handle color aliases */
725	if (isdigit(*color)) {	807	if (isdigit (*color))
		808	{
726	i = atoi(color);	809	int i = atoi (color);
727	if (i >= 8 && i <= 15) { /* bright colors */	810
728	i -= 8;	811	if (i >= 8 && i <= 15)
729	# ifndef NO_BRIGHTCOLOR	812	{
		813	/* bright colors */
730	PixColors[idx] = PixColors[minBrightCOLOR + i];	814	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
731	SET_PIXCOLOR(idx);
732	goto Done;	815	goto done;
733	# endif
734	}	816	}
735	if (i >= 0 && i <= 7) { /* normal colors */	817
		818	if (i >= 0 && i <= 7)
		819	{
		820	/* normal colors */
736	PixColors[idx] = PixColors[minCOLOR + i];	821	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
737	SET_PIXCOLOR(idx);
738	goto Done;	822	goto done;
739	}	823	}
740	}	824	}
741	if (!rXParseAllocColor (& xcol, color))
742	return;
743	/* XStoreColor (Xdisplay, XCMAP, XColor*); */
744		825
745	/*	826	set_color (xcol, color);
		827
		828	/*
746	* FIXME: should free colors here, but no idea how to do it so instead,	829	* FIXME: should free colors here, but no idea how to do it so instead,
747	* so just keep gobbling up the colormap	830	* so just keep gobbling up the colormap
748	*/	831	*/
749	# if 0
750	for (i = Color_Black; i <= Color_White; i++)
751	if (PixColors[idx] == PixColors[i])
752	break;
753	if (i > Color_White) {
754	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
755	XFreeColors(Xdisplay, XCMAP, (PixColors + idx), 1,
756	DisplayPlanes(Xdisplay, Xscreen));
757	}
758	# endif
759		832
760	PixColors[idx] = xcol;	833	pix_colors_focused[idx] = xcol;
761	SET_PIXCOLOR(idx);
762		834
763	/* XSetWindowAttributes attr; */	835	done:
764	/* Cursor cursor; */
765	Done:
766	if (idx == Color_bg && !(Options & Opt_transparent))
767	XSetWindowBackground(Xdisplay, TermWin.vt,
768	PixColors[Color_bg]);
769
770	/* handle Color_BD, scrollbar background, etc. */	836	/*TODO: handle Color_BD, scrollbar background, etc. */
771		837
772	set_colorfgbg ();	838	update_fade_color (idx);
773	recolour_cursor ();	839	recolour_cursor ();
774	/* the only reasonable way to enforce a clean update */	840	scr_recolour ();
775	scr_poweron ();	841	#endif /* XTERM_COLOR_CHANGE */
776	}	842	}
777
778	#else
779	# define set_window_color (idx,color) ((void)0)
780	#endif /* XTERM_COLOR_CHANGE */
781		843
782	void	844	void
783	rxvt_term::recolour_cursor ()	845	rxvt_term::recolour_cursor ()
784	{	846	{
785	#if TODO	847	XColor fg, bg;
786	rxvt_color xcol[2];
787		848
788	xcol[0] = PixColors[Color_pointer];	849	(ISSET_PIXCOLOR (Color_pointer_fg)
789	xcol[1] = PixColors[Color_bg];	850	? pix_colors_focused[Color_pointer_fg]
790	XQueryColors (Xdisplay, XCMAP, xcol, 2);	851	: pix_colors_focused[Color_fg]).get (fg);
		852
		853	(ISSET_PIXCOLOR (Color_pointer_bg)
		854	? pix_colors_focused[Color_pointer_bg]
		855	: pix_colors_focused[Color_bg]).get (bg);
		856
791	XRecolorCursor (Xdisplay, TermWin_cursor, &(xcol[0]), &(xcol[1]));	857	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
792	#endif
793	}	858	}
794		859
795	/*----------------------------------------------------------------------*/	860	/*----------------------------------------------------------------------*/
796	/*	861	/*
797	* find if fg/bg matches any of the normal (low-intensity) colors	862	* find if fg/bg matches any of the normal (low-intensity) colors
798	*/	863	*/
799	void	864	void
800	rxvt_term::set_colorfgbg ()	865	rxvt_term::set_colorfgbg ()
801	{	866	{
802	unsigned int i;	867	unsigned int i;
803	const char *xpmb = "\0";	868	const char *xpmb = "";
804	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	869	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
805		870
806	env_colorfgbg =	871	strcpy (fstr, "default");
807	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	872	strcpy (bstr, "default");
808	STRCPY(fstr, "default");
809	STRCPY(bstr, "default");
810	for (i = Color_Black; i <= Color_White; i++)	873	for (i = Color_Black; i <= Color_White; i++)
811	if (PixColors[Color_fg] == PixColors[i]) {	874	if (pix_colors[Color_fg] == pix_colors[i])
		875	{
812	sprintf(fstr, "%d", (i - Color_Black));	876	sprintf (fstr, "%d", (i - Color_Black));
813	break;	877	break;
814	}	878	}
		879
815	for (i = Color_Black; i <= Color_White; i++)	880	for (i = Color_Black; i <= Color_White; i++)
816	if (PixColors[Color_bg] == PixColors[i]) {	881	if (pix_colors[Color_bg] == pix_colors[i])
		882	{
817	sprintf(bstr, "%d", (i - Color_Black));	883	sprintf (bstr, "%d", (i - Color_Black));
818	#ifdef XPM_BACKGROUND	884	#ifdef BG_IMAGE_FROM_FILE
819	xpmb = "default;";	885	xpmb = "default;";
820	#endif	886	#endif
821	break;	887	break;
822	}	888	}
		889
823	sprintf(env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	890	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
824	putenv(env_colorfgbg);
825
826	#ifndef NO_BRIGHTCOLOR
827	colorfgbg = DEFAULT_RSTYLE;
828	for (i = minCOLOR; i <= maxCOLOR; i++) {
829	if (PixColors[Color_fg] == PixColors[i])
830	colorfgbg = SET_FGCOLOR(colorfgbg, i);
831	if (PixColors[Color_bg] == PixColors[i])
832	colorfgbg = SET_BGCOLOR(colorfgbg, i);
833	}
834	#endif
835	}	891	}
836		892
837	/*----------------------------------------------------------------------*/	893	/*----------------------------------------------------------------------*/
838	/*
839	* Colour determination for low colour displays, routine from
840	* Hans de Goede <hans@highrise.nl>
841	*/
842		894
843	int	895	bool
844	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	896	rxvt_term::set_color (rxvt_color &color, const char *name)
845	{	897	{
846	if (!screen_in_out->set (this, colour)) {	898	if (color.set (this, name))
847	rxvt_print_error("can't allocate colour: %s", colour);
848	return false;
849	}
850
851	return true;	899	return true;
		900
		901	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		902	return false;
		903	}
		904
		905	void
		906	rxvt_term::alias_color (int dst, int src)
		907	{
		908	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
852	}	909	}
853		910
854	/* -------------------------------------------------------------------- *	911	/* -------------------------------------------------------------------- *
855	* - WINDOW RESIZING - *	912	* - WINDOW RESIZING - *
856	* -------------------------------------------------------------------- */	913	* -------------------------------------------------------------------- */
857	void	914	void
858	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	915	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
859	{	916	{
860	int fix_screen;	917	int fix_screen;
		918	int old_width = szHint.width;
		919	int old_height = szHint.height;
861		920
862	#ifdef SMART_RESIZE
863	int old_width = szHint.width, old_height = szHint.height;
864	#endif
865
866	window_calc (width, height);	921	window_calc (newwidth, newheight);
		922
		923	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		924
		925	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		926	if (set_hint)
		927	{
		928	szHint.flags &= ~(PBaseSize | PResizeInc);
867	XSetWMNormalHints (Xdisplay, TermWin.parent[0], &szHint);	929	XSetWMNormalHints (dpy, parent[0], &szHint);
		930	szHint.flags |= PBaseSize | PResizeInc;
		931	}
		932
868	if (!ignoreparent)	933	if (!ignoreparent)
869	{	934	{
870	#ifdef SMART_RESIZE	935	#ifdef SMART_RESIZE
871	/*	936	/*
872	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	937	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
875	int x, y, x1, y1;	940	int x, y, x1, y1;
876	int dx, dy;	941	int dx, dy;
877	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	942	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
878	Window unused_cr;	943	Window unused_cr;
879		944
880	XTranslateCoordinates (Xdisplay, TermWin.parent[0], Xroot,	945	XTranslateCoordinates (dpy, parent[0], display->root,
881	0, 0, &x, &y, &unused_cr);	946	0, 0, &x, &y, &unused_cr);
882	XGetGeometry (Xdisplay, TermWin.parent[0], &unused_cr, &x1, &y1,	947	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
883	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	948	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
884	/*	949	/*
885	* if Xroot isn't the parent window, a WM will probably have offset	950	* if display->root isn't the parent window, a WM will probably have offset
886	* our position for handles and decorations. Counter it	951	* our position for handles and decorations. Counter it
887	*/	952	*/
888	if (x1 != x || y1 != y) {	953	if (x1 != x || y1 != y)
		954	{
889	x -= x1;	955	x -= x1;
890	y -= y1;	956	y -= y1;
891	}	957	}
892		958
893	x1 = (DisplayWidth (Xdisplay, Xscreen) - old_width) / 2;	959	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
894	y1 = (DisplayHeight (Xdisplay, Xscreen) - old_height) / 2;	960	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
895	dx = old_width - szHint.width;	961	dx = old_width - szHint.width;
896	dy = old_height - szHint.height;	962	dy = old_height - szHint.height;
897		963
898	/* Check position of the center of the window */	964	/* Check position of the center of the window */
899	if (x < x1) /* left half */	965	if (x < x1) /* left half */
900	dx = 0;	966	dx = 0;
901	else if (x == x1) /* exact center */	967	else if (x == x1) /* exact center */
902	dx /= 2;	968	dx /= 2;
903	if (y < y1) /* top half */	969	if (y < y1) /* top half */
904	dy = 0;	970	dy = 0;
905	else if (y == y1) /* exact center */	971	else if (y == y1) /* exact center */
906	dy /= 2;	972	dy /= 2;
907		973
908	XMoveResizeWindow (Xdisplay, TermWin.parent[0], x + dx, y + dy,	974	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
909	szHint.width, szHint.height);	975	szHint.width, szHint.height);
910	#else	976	#else
911	XResizeWindow (Xdisplay, TermWin.parent[0], szHint.width,	977	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
912	szHint.height);
913	#endif	978	#endif
914	}	979	}
915		980
916	fix_screen = (TermWin.ncol != prev_ncol	981	if (set_hint)
917	|| TermWin.nrow != prev_nrow);	982	XSetWMNormalHints (dpy, parent[0], &szHint);
918		983
		984	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		985
919	if (fix_screen || width != old_width || height != old_height)	986	if (fix_screen || newwidth != old_width || newheight != old_height)
920	{	987	{
921	if (scrollbar_visible ())	988	if (scrollBar.state)
922	{	989	scrollBar.resize ();
923	XMoveResizeWindow (Xdisplay, scrollBar.win, window_sb_x,
924	0, scrollbar_TotalWidth (), szHint.height);
925	resize_scrollbar ();
926	}
927		990
928	if (menubar_visible ())	991	XMoveResizeWindow (dpy, vt,
929	XMoveResizeWindow (Xdisplay, menuBar.win, window_vt_x,	992	window_vt_x, window_vt_y,
930	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
931
932	XMoveResizeWindow (Xdisplay, TermWin.vt, window_vt_x,
933	window_vt_y, TermWin_TotalWidth (),
934	TermWin_TotalHeight ());	993	width, height);
935	#ifdef RXVT_GRAPHICS	994
936	if (old_height)	995	#ifdef HAVE_BG_PIXMAP
937	Gr_Resize (old_width - szHint.base_width,	996	if (bgPixmap.window_size_sensitive ())
938	old_height - szHint.base_height);	997	update_background ();
939	#endif
940	scr_clear ();
941	#ifdef XPM_BACKGROUND
942	resize_pixmap ();
943	#endif	998	#endif
944	}	999	}
945		1000
946	if (fix_screen || old_height == 0)	1001	if (fix_screen || old_height == 0)
947	{
948	int curr_screen = -1;
949	int old_ncol = prev_ncol;
950
951	/* scr_reset only works on the primary screen */
952	if (old_height) /* this is not the first time through */
953	{
954	unsigned int ncol = TermWin.ncol;
955	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
956	curr_screen = scr_change_screen (PRIMARY);
957	TermWin.ncol = ncol;
958	}
959
960	scr_reset();	1002	scr_reset ();
961		1003
962	if (curr_screen >= 0) /* this is not the first time through */	1004	#ifdef HAVE_BG_PIXMAP
963	{	1005	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
964	scr_change_screen (curr_screen);	1006	// if (bgPixmap.pixmap)
965	selection_check (old_ncol != TermWin.ncol ? 4 : 0);	1007	// scr_touch (false);
966	}	1008	#endif
967	}
968
969	old_width = szHint.width;
970	old_height = szHint.height;
971		1009
972	#ifdef USE_XIM	1010	#ifdef USE_XIM
973	IMSetStatusPosition ();	1011	IMSetPosition ();
974	#endif	1012	#endif
975	}	1013	}
976		1014
977	/*	1015	/*
978	* Set the width/height of the vt window in characters. Units are pixels.	1016	* Set the width/height of the vt window in characters. Units are pixels.
979	* good for toggling 80/132 columns	1017	* good for toggling 80/132 columns
980	*/	1018	*/
981	void	1019	void
982	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1020	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
983	{	1021	{
984	XWindowAttributes wattr;	1022	XWindowAttributes wattr;
985		1023
986	if (width == 0 || height == 0) {	1024	if (newwidth == 0 || newheight == 0)
		1025	{
987	XGetWindowAttributes(Xdisplay, Xroot, &wattr);	1026	XGetWindowAttributes (dpy, display->root, &wattr);
		1027
988	if (width == 0)	1028	if (newwidth == 0)
989	width = wattr.width - szHint.base_width;	1029	newwidth = wattr.width - szHint.base_width;
990	if (height == 0)	1030	if (newheight == 0)
991	height = wattr.height - szHint.base_height;	1031	newheight = wattr.height - szHint.base_height;
		1032	}
		1033
		1034	if (newwidth != width || newheight != height)
992	}	1035	{
993	if (width != TermWin.width || height != TermWin.height) {
994	width += szHint.base_width;	1036	newwidth += szHint.base_width;
995	height += szHint.base_height;	1037	newheight += szHint.base_height;
996	resize_all_windows (width, height, 0);	1038	resize_all_windows (newwidth, newheight, 0);
997	}	1039	}
998	}	1040	}
999		1041
1000	/* -------------------------------------------------------------------- *	1042	/* -------------------------------------------------------------------- *
1001	* - X INPUT METHOD ROUTINES - *	1043	* - X INPUT METHOD ROUTINES - *
1002	* -------------------------------------------------------------------- */	1044	* -------------------------------------------------------------------- */
1003	#ifdef USE_XIM	1045	#ifdef USE_XIM
1004	void
1005	rxvt_term::set_size (XRectangle *size)
1006	{
1007	size->x = TermWin.int_bwidth;
1008	size->y = TermWin.int_bwidth;
1009	size->width = Width2Pixel(TermWin.ncol);
1010	size->height = Height2Pixel(TermWin.nrow);
1011	}
1012		1046
1013	void	1047	void
1014	rxvt_term::set_color (unsigned long *fg, unsigned long *bg)	1048	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1015	{	1049	{
1016	*fg = PixColors[Color_fg];	1050	fg = pix_colors [Color_fg];
1017	*bg = PixColors[Color_bg];	1051	bg = pix_colors [Color_bg];
		1052	}
		1053
		1054	void
		1055	rxvt_term::im_set_size (XRectangle &size)
		1056	{
		1057	// the int_bwidth terms make no sense to me
		1058	size.x = int_bwidth;
		1059	size.y = int_bwidth;
		1060	size.width = Width2Pixel (ncol) + int_bwidth;
		1061	size.height = Height2Pixel (nrow) + int_bwidth;
		1062	}
		1063
		1064	void
		1065	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1066	XRectangle &status_rect,
		1067	const XRectangle &needed_rect)
		1068	{
		1069	preedit_rect.x = needed_rect.width;
		1070	preedit_rect.y = 0;
		1071	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1072	preedit_rect.height = fheight;
		1073
		1074	status_rect.x = 0;
		1075	status_rect.y = 0;
		1076	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1077	status_rect.height = fheight;
1018	}	1078	}
1019		1079
1020	/* Checking whether input method is running. */	1080	/* Checking whether input method is running. */
1021	bool	1081	bool
1022	rxvt_term::IMisRunning ()	1082	rxvt_term::IMisRunning ()
1023	{	1083	{
1024	char *p;	1084	Atom atom;
1025	Atom atom;	1085	Window win;
1026	Window win;
1027	char server[IMBUFSIZ];	1086	char server[IMBUFSIZ];
1028		1087
1029	/* get current locale modifier */	1088	/* get current locale modifier */
1030	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1089	if (char *p = XSetLocaleModifiers (0))
		1090	{
1031	STRCPY(server, "@server=");	1091	strcpy (server, "@server=");
1032	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1092	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1093
1033	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1094	if (p = strchr (server + 1, '@')) /* first one only */
1034	*p = '\0';	1095	*p = '\0';
1035		1096
1036	atom = XInternAtom(Xdisplay, server, False);	1097	atom = XInternAtom (dpy, server, False);
1037	win = XGetSelectionOwner(Xdisplay, atom);	1098	win = XGetSelectionOwner (dpy, atom);
		1099
1038	if (win != None)	1100	if (win != None)
1039	return True;	1101	return True;
1040	}	1102	}
		1103
1041	return False;	1104	return False;
1042	}	1105	}
1043		1106
1044	void	1107	void
1045	rxvt_term::IMSendSpot ()	1108	rxvt_term::IMSendSpot ()
1046	{	1109	{
1047	XPoint spot;	1110	XPoint nspot;
1048	XVaNestedList preedit_attr;	1111	XVaNestedList preedit_attr;
1049		1112
1050	if (Input_Context == NULL	1113	if (!Input_Context
1051	|| !TermWin.focus || !(input_style & XIMPreeditPosition)	1114	|| !focus
1052	|| !(event_type == KeyPress	1115	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1053	|| event_type == Expose
1054	|| event_type == NoExpose
1055	|| event_type == SelectionNotify
1056	|| event_type == ButtonRelease || event_type == FocusIn)
1057	|| !IMisRunning ())
1058	return;	1116	return;
1059		1117
1060	set_position (&spot);	1118	im_set_position (nspot);
1061		1119
		1120	if (nspot.x == spot.x && nspot.y == spot.y)
		1121	return;
		1122
		1123	spot = nspot;
		1124
1062	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1125	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1063	XSetICValues(Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1126	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1064	XFree(preedit_attr);	1127	XFree (preedit_attr);
1065	}	1128	}
1066		1129
1067	void	1130	void
1068	rxvt_term::set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,	1131	rxvt_term::im_destroy ()
1069	XRectangle * needed_rect)
1070	{	1132	{
1071	int mbh, vtx = 0;	1133	if (input_method)
		1134	{
		1135	if (Input_Context && input_method->xim)
		1136	XDestroyIC (Input_Context);
1072		1137
1073	if (scrollbar_visible () && !(Options & Opt_scrollBar_right))	1138	display->put_xim (input_method);
1074	vtx = scrollbar_TotalWidth();	1139	input_method = 0;
		1140	}
1075		1141
1076	mbh = menubar_visible () ? menuBar_TotalHeight() : 0;	1142	Input_Context = 0;
1077	mbh -= TermWin.lineSpace;
1078
1079	preedit_rect->x = needed_rect->width + vtx;
1080	preedit_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1081
1082	preedit_rect->width = Width2Pixel(TermWin.ncol + 1) - needed_rect->width + vtx;
1083	preedit_rect->height = Height2Pixel(1);
1084
1085	status_rect->x = vtx;
1086	status_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1087
1088	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel(TermWin.ncol + 1);
1089	status_rect->height = Height2Pixel(1);
1090	}	1143	}
1091		1144
1092	/* ARGSUSED */	1145	#ifdef ENABLE_XIM_ONTHESPOT
1093	/* EXTPROTO */	1146
1094	void	1147	static void
1095	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data	1148	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1096	__attribute__ ((unused)), XPointer call_data
1097	__attribute__ ((unused)))
1098	{	1149	{
1099	GET_R->Input_Context = NULL;	1150	((rxvt_term *)client_data)->make_current ();
1100	/* To avoid Segmentation Fault in C locale: Solaris only? */	1151	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1101	if (STRCMP (GET_R->locale, "C"))
1102	XRegisterIMInstantiateCallback(GET_R->Xdisplay, NULL, NULL, NULL,
1103	rxvt_IMInstantiateCallback, NULL);
1104	}	1152	}
		1153
		1154	static void
		1155	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1156	{
		1157	((rxvt_term *)client_data)->make_current ();
		1158	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1159	}
		1160
		1161	static void
		1162	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1163	{
		1164	rxvt_term *term = (rxvt_term *)client_data;
		1165	XIMText *text = call_data->text;
		1166
		1167	term->make_current ();
		1168
		1169	if (text)
		1170	{
		1171	wchar_t *str;
		1172
		1173	if (!text->encoding_is_wchar && text->string.multi_byte)
		1174	{
		1175	// of course, X makes it ugly again
		1176	if (term->rs[Rs_imLocale])
		1177	SET_LOCALE (term->rs[Rs_imLocale]);
		1178
		1179	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1180	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1181
		1182	if (term->rs[Rs_imLocale])
		1183	SET_LOCALE (term->locale);
		1184	}
		1185	else
		1186	str = text->string.wide_char;
		1187
		1188	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1189	DT_INT, call_data->caret,
		1190	DT_INT, call_data->chg_first,
		1191	DT_INT, call_data->chg_length,
		1192	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1193	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1194	DT_END));
		1195	}
		1196	else
		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_END));
		1202	}
		1203
		1204	#if 0
		1205	static void
		1206	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1207	{
		1208	((rxvt_term *)client_data)->make_current ();
		1209	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1210	DT_INT, call_data->position,
		1211	DT_INT, call_data->direction,
		1212	DT_INT, call_data->style,
		1213	DT_END));
		1214	}
		1215	#endif
		1216
		1217	#endif
1105		1218
1106	/*	1219	/*
1107	* Try to open a XIM with the current modifiers, then see if we can	1220	* Try to open a XIM with the current modifiers, then see if we can
1108	* open a suitable preedit type	1221	* open a suitable preedit type
1109	*/	1222	*/
1110	bool	1223	bool
1111	rxvt_term::IM_get_IC ()	1224	rxvt_term::IM_get_IC (const char *modifiers)
1112	{	1225	{
1113	int i, j, found;	1226	int i, j, found;
1114	XIM xim;	1227	XIM xim;
1115	XPoint spot;	1228	XPoint spot;
1116	XRectangle rect, status_rect, needed_rect;	1229	XRectangle rect, status_rect, needed_rect;
1117	unsigned long fg, bg;	1230	unsigned long fg, bg;
1118	const char *p;	1231	const char *p;
1119	char **s;	1232	char **s;
1120	XIMStyles *xim_styles;	1233	XIMStyles *xim_styles;
1121	XVaNestedList preedit_attr, status_attr;	1234	#ifdef ENABLE_XIM_ONTHESPOT
1122	XIMCallback ximcallback;	1235	XIMCallback xcb[4];
		1236	#endif
1123		1237
1124	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1238	set_environ (envv);
1125	xim = XOpenIM (Xdisplay, NULL, NULL, NULL);	1239
1126	if (xim == NULL)	1240	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1127	return False;	1241	return false;
1128		1242
		1243	input_method = display->get_xim (locale, modifiers);
		1244	if (input_method == NULL)
		1245	return false;
		1246
		1247	xim = input_method->xim;
		1248	spot.x = spot.y = -1;
		1249
1129	xim_styles = NULL;	1250	xim_styles = NULL;
1130	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1251	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1131	|| !xim_styles || !xim_styles->count_styles) {	1252	|| !xim_styles || !xim_styles->count_styles)
1132	XCloseIM(xim);	1253	{
		1254	im_destroy ();
1133	return False;	1255	return false;
		1256	}
		1257
		1258	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1259
		1260	for (int pi = 0; pi < 2; pi++)
1134	}	1261	{
		1262	p = pet[pi];
1135		1263
1136	p = rs[Rs_preeditType] ? rs[Rs_preeditType]	1264	if (!p)
1137	: "OverTheSpot,OffTheSpot,Root";	1265	continue;
		1266
1138	s = rxvt_splitcommastring(p);	1267	s = rxvt_splitcommastring (p);
		1268
1139	for (i = found = 0; !found && s[i]; i++) {	1269	for (i = found = 0; !found && s[i]; i++)
		1270	{
1140	if (!STRCMP(s[i], "OverTheSpot"))	1271	if (!strcmp (s[i], "OverTheSpot"))
1141	input_style = (XIMPreeditPosition | XIMStatusNothing);	1272	input_style = XIMPreeditPosition | XIMStatusNothing;
1142	else if (!STRCMP(s[i], "OffTheSpot"))	1273	else if (!strcmp (s[i], "OffTheSpot"))
1143	input_style = (XIMPreeditArea | XIMStatusArea);	1274	input_style = XIMPreeditArea | XIMStatusArea;
1144	else if (!STRCMP(s[i], "Root"))	1275	else if (!strcmp (s[i], "Root"))
1145	input_style = (XIMPreeditNothing | XIMStatusNothing);	1276	input_style = XIMPreeditNothing | XIMStatusNothing;
		1277	else if (!strcmp (s[i], "None"))
		1278	input_style = XIMPreeditNone | XIMStatusNone;
		1279	#ifdef ENABLE_XIM_ONTHESPOT
		1280	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1281	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1282	#endif
		1283	else
		1284	input_style = XIMPreeditNothing | XIMStatusNothing;
1146		1285
1147	for (j = 0; j < xim_styles->count_styles; j++)	1286	for (j = 0; j < xim_styles->count_styles; j++)
1148	if (input_style == xim_styles->supported_styles[j]) {	1287	if (input_style == xim_styles->supported_styles[j])
		1288	{
		1289	rxvt_freecommastring (s);
		1290
1149	found = 1;	1291	found = 1;
1150	break;	1292	goto foundpet;
1151	}	1293	}
		1294
		1295	}
		1296
		1297	rxvt_freecommastring (s);
1152	}	1298	}
1153	for (i = 0; s[i]; i++)	1299
1154	free(s[i]);	1300	foundpet:
1155	free(s);	1301
1156	XFree(xim_styles);	1302	XFree (xim_styles);
1157		1303
1158	if (!found) {	1304	if (!found)
1159	XCloseIM(xim);	1305	{
		1306	im_destroy ();
1160	return False;	1307	return false;
		1308	}
		1309
		1310	XFontSet fs = 0;
		1311	XVaNestedList preedit_attr = 0, status_attr = 0;
		1312
		1313	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1161	}	1314	{
		1315	// fake us a font-set, please
		1316	char **missing_charset_list;
		1317	int missing_charset_count;
		1318	char *def_string;
		1319	char pat[512];
1162		1320
1163	ximcallback.callback = rxvt_IMDestroyCallback;	1321	sprintf (pat,
		1322	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1323	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1324	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1325	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1326	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1327	"*",
		1328	fheight,
		1329	fheight + 1, fheight - 1,
		1330	fheight - 2, fheight + 2);
1164		1331
1165	/* XXX: not sure why we need this (as well as IC one below) */	1332	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1166	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1333	&missing_charset_list, &missing_charset_count, &def_string);
1167		1334
1168	preedit_attr = status_attr = NULL;	1335	if (missing_charset_list)
		1336	XFreeStringList (missing_charset_list);
1169		1337
		1338	if (!fs)
		1339	{
		1340	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1341	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1342	}
		1343	}
		1344
1170	if (input_style & XIMPreeditPosition) {	1345	if (input_style & XIMPreeditPosition)
		1346	{
1171	set_size (&rect);	1347	im_set_size (rect);
1172	set_position (&spot);	1348	im_set_position (spot);
1173	set_color (&fg, &bg);	1349	im_set_color (fg, bg);
1174		1350
1175	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1351	preedit_attr = XVaCreateNestedList (0,
		1352	XNForeground, fg,
		1353	XNBackground, bg,
		1354	XNArea, &rect,
1176	XNSpotLocation, &spot,	1355	XNSpotLocation, &spot,
1177	XNForeground, fg, XNBackground, bg,
1178	//XNFontSet, TermWin.fontset,	1356	XNFontSet, fs,
1179	NULL);
1180	} else if (input_style & XIMPreeditArea) {
1181	set_color (&fg, &bg);
1182
1183	/*
1184	* The necessary width of preedit area is unknown
1185	* until create input context.
1186	*/
1187	needed_rect.width = 0;
1188
1189	set_preedit_area(&rect, &status_rect, &needed_rect);
1190
1191	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1192	XNForeground, fg, XNBackground, bg,
1193	//XNFontSet, TermWin.fontset,
1194	NULL);
1195	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1196	XNForeground, fg, XNBackground, bg,
1197	//XNFontSet, TermWin.fontset,
1198	NULL);	1357	NULL);
1199	}	1358	}
1200	Input_Context = XCreateIC(xim, XNInputStyle, input_style,	1359	else if (input_style & XIMPreeditArea)
		1360	{
		1361	im_set_color (fg, bg);
		1362
		1363	/*
		1364	* The necessary width of preedit area is unknown
		1365	* until create input context.
		1366	*/
		1367	needed_rect.width = 0;
		1368	im_set_preedit_area (rect, status_rect, needed_rect);
		1369
		1370	preedit_attr = XVaCreateNestedList (0,
		1371	XNForeground, fg,
		1372	XNBackground, bg,
		1373	XNArea, &rect,
		1374	XNFontSet, fs,
		1375	NULL);
		1376	status_attr = XVaCreateNestedList (0,
		1377	XNForeground, fg,
		1378	XNBackground, bg,
		1379	XNArea, &status_rect,
		1380	XNFontSet, fs,
		1381	NULL);
		1382	}
		1383	#if ENABLE_XIM_ONTHESPOT
		1384	else if (input_style & XIMPreeditCallbacks)
		1385	{
		1386	im_set_position (spot);
		1387
		1388	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1389	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1390	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1391	# if 0
		1392	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1393	# endif
		1394
		1395	preedit_attr = XVaCreateNestedList (0,
		1396	XNSpotLocation, &spot,
		1397	XNPreeditStartCallback, &xcb[0],
		1398	XNPreeditDoneCallback , &xcb[1],
		1399	XNPreeditDrawCallback , &xcb[2],
		1400	# if 0
		1401	XNPreeditCaretCallback, &xcb[3],
		1402	# endif
		1403	NULL);
		1404	}
		1405	#endif
		1406
		1407	Input_Context = XCreateIC (xim,
		1408	XNInputStyle, input_style,
1201	XNClientWindow, TermWin.parent[0],	1409	XNClientWindow, vt,
1202	XNFocusWindow, TermWin.parent[0],	1410	XNFocusWindow, parent[0],
1203	XNDestroyCallback, &ximcallback,
1204	preedit_attr ? XNPreeditAttributes : NULL,	1411	preedit_attr ? XNPreeditAttributes : NULL,
1205	preedit_attr,	1412	preedit_attr,
1206	status_attr ? XNStatusAttributes : NULL,	1413	status_attr ? XNStatusAttributes : NULL,
1207	status_attr, NULL);	1414	status_attr, NULL);
1208	if (preedit_attr)	1415
1209	XFree(preedit_attr);	1416	if (preedit_attr) XFree (preedit_attr);
1210	if (status_attr)	1417	if (status_attr) XFree (status_attr);
1211	XFree(status_attr);	1418	if (fs) XFreeFontSet (dpy, fs);
		1419
1212	if (Input_Context == NULL) {	1420	if (Input_Context == NULL)
1213	rxvt_print_error("failed to create input context");	1421	{
1214	XCloseIM(xim);	1422	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1423	im_destroy ();
1215	return False;	1424	return false;
1216	}	1425	}
1217	if (input_style & XIMPreeditArea)	1426
		1427	#if 0
		1428	// unfortunately, only the focus window is used by XIM, hard to fix
		1429	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1430	vt_select_input ();
		1431	#endif
		1432
1218	IMSetStatusPosition ();	1433	IMSetPosition ();
1219	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1434
1220	return True;	1435	return true;
1221	}	1436	}
1222		1437
1223	/*
1224	* X manual pages and include files don't match on some systems:
1225	* some think this is an XIDProc and others an XIMProc so we can't
1226	* use the first argument - need to update this to be nice for
1227	* both types via some sort of configure detection
1228	*/
1229	/* ARGSUSED */
1230	/* EXTPROTO */
1231	void	1438	void
1232	rxvt_IMInstantiateCallback(Display * unused	1439	rxvt_term::im_cb ()
1233	__attribute__ ((unused)), XPointer client_data
1234	__attribute__ ((unused)), XPointer call_data
1235	__attribute__ ((unused)))
1236	{	1440	{
1237	int i, found, had_im;	1441	int i;
1238	const char *p;	1442	const char *p;
1239	char **s;	1443	char **s;
1240	char buf[IMBUFSIZ];	1444	char buf[IMBUFSIZ];
1241		1445
1242	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1446	make_current ();
		1447
		1448	im_destroy ();
		1449
1243	if (GET_R->Input_Context)	1450	if (Input_Context)
1244	return;	1451	return;
1245		1452
1246	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1453	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1247	if (GET_R->rs[Rs_imLocale])	1454	if (rs[Rs_imLocale])
1248	setlocale (LC_CTYPE, GET_R->rs[Rs_imLocale]);	1455	SET_LOCALE (rs[Rs_imLocale]);
1249	#endif	1456	#endif
1250		1457
1251	p = GET_R->rs[Rs_inputMethod];	1458	p = rs[Rs_inputMethod];
1252	if (p && *p)	1459	if (p && *p)
1253	{	1460	{
1254	bool found = false;	1461	bool found = false;
1255		1462
1256	s = rxvt_splitcommastring (p);	1463	s = rxvt_splitcommastring (p);
		1464
1257	for (i = 0; s[i]; i++)	1465	for (i = 0; s[i]; i++)
1258	{	1466	{
1259	if (*s[i])	1467	if (*s[i])
1260	{	1468	{
1261	STRCPY (buf, "@im=");	1469	strcpy (buf, "@im=");
1262	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1470	strncat (buf, s[i], IMBUFSIZ - 5);
1263	if ((p = XSetLocaleModifiers (buf)) && *p && GET_R->IM_get_IC ())	1471	if (IM_get_IC (buf))
1264	{	1472	{
1265	found = true;	1473	found = true;
1266	break;	1474	break;
1267	}	1475	}
1268	}	1476	}
1269	}	1477	}
1270	for (i = 0; s[i]; i++)	1478
1271	free(s[i]);	1479	rxvt_freecommastring (s);
1272	free(s);
1273		1480
1274	if (found)	1481	if (found)
1275	goto done;	1482	goto done;
1276	}	1483	}
1277		1484
1278	/* try with XMODIFIERS env. var. */	1485	/* try with XMODIFIERS env. var. */
1279	if ((p = XSetLocaleModifiers ("")) && *p	1486	if (IM_get_IC (""))
1280	&& GET_R->IM_get_IC ())
1281	goto done;	1487	goto done;
1282		1488
1283	/* try with no modifiers base IF the user didn't specify an IM */	1489	/* try with no modifiers base IF the user didn't specify an IM */
1284	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1490	if (IM_get_IC ("@im=none"))
1285	&& GET_R->IM_get_IC () == True)
1286	goto done;	1491	goto done;
1287		1492
1288	done:	1493	done:
1289	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1494	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1290	if (GET_R->rs[Rs_imLocale])	1495	if (rs[Rs_imLocale])
1291	setlocale (LC_CTYPE, GET_R->locale);	1496	SET_LOCALE (locale);
1292	#endif	1497	#endif
1293	}	1498	}
1294		1499
1295	void	1500	void
1296	rxvt_term::IMSetStatusPosition ()	1501	rxvt_term::IMSetPosition ()
1297	{	1502	{
1298	XRectangle preedit_rect, status_rect, *needed_rect;	1503	XRectangle preedit_rect, status_rect, *needed_rect;
1299	XVaNestedList preedit_attr, status_attr;	1504	XVaNestedList preedit_attr, status_attr;
1300		1505
1301	if (Input_Context == NULL	1506	if (!Input_Context
1302	|| !TermWin.focus || !(input_style & XIMPreeditArea)	1507	|| !focus
		1508	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1303	|| !IMisRunning ())	1509	|| !IMisRunning ())
1304	return;	1510	return;
1305		1511
		1512	if (input_style & XIMPreeditPosition)
		1513	{
		1514	im_set_size (preedit_rect);
		1515	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1516
		1517	XSetICValues (Input_Context,
		1518	XNPreeditAttributes, preedit_attr, NULL);
		1519	}
		1520	else
		1521	{
1306	/* Getting the necessary width of preedit area */	1522	/* Getting the necessary width of preedit area */
1307	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1523	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1308	XGetICValues(Input_Context, XNStatusAttributes, status_attr, NULL);	1524	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1309	XFree(status_attr);	1525	XFree (status_attr);
1310		1526
1311	set_preedit_area(&preedit_rect, &status_rect, needed_rect);	1527	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1528	XFree (needed_rect);
1312		1529
1313	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1530	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1314	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1531	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1315		1532
1316	XSetICValues(Input_Context,	1533	XSetICValues (Input_Context,
1317	XNPreeditAttributes, preedit_attr,	1534	XNPreeditAttributes, preedit_attr,
1318	XNStatusAttributes, status_attr, NULL);	1535	XNStatusAttributes, status_attr,
		1536	NULL);
1319		1537
		1538	XFree (status_attr);
		1539	}
		1540
1320	XFree(preedit_attr);	1541	XFree (preedit_attr);
1321	XFree(status_attr);
1322	}	1542	}
1323	#endif /* USE_XIM */	1543	#endif /* USE_XIM */
1324		1544
1325	/*----------------------------------------------------------------------*/	1545	void
1326	rxvt_t rxvt_current_term;	1546	rxvt_term::get_window_origin (int &x, int &y)
		1547	{
		1548	Window cr;
		1549	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1550	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1551	}
		1552
		1553	Pixmap
		1554	rxvt_term::get_pixmap_property (int prop_id)
		1555	{
		1556	if (prop_id > 0 && prop_id < NUM_XA)
		1557	if (xa[prop_id])
		1558	{
		1559	int aformat;
		1560	unsigned long nitems, bytes_after;
		1561	Atom atype;
		1562	unsigned char *prop = NULL;
		1563	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1564	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1565	&nitems, &bytes_after, &prop);
		1566	if (result == Success && prop && atype == XA_PIXMAP)
		1567	return *(Pixmap *)prop;
		1568	}
		1569
		1570	return None;
		1571	}
		1572
		1573	#ifdef HAVE_BG_PIXMAP
		1574	# if TRACE_PIXMAPS
		1575	# undef update_background
		1576	void
		1577	rxvt_term::trace_update_background (const char *file, int line)
		1578	{
		1579	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1580	update_background ();
		1581	}
		1582	# endif
		1583
		1584	void
		1585	rxvt_term::update_background ()
		1586	{
		1587	if (update_background_ev.is_active ())
		1588	return;
		1589
		1590	bgPixmap.invalidate ();
		1591
		1592	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1593
		1594	if (to_wait <= 0.)
		1595	bgPixmap.render ();
		1596	else
		1597	update_background_ev.start (to_wait);
		1598	}
		1599
		1600	void
		1601	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1602	{
		1603	make_current ();
		1604
		1605	update_background_ev.stop ();
		1606	bgPixmap.render ();
		1607	refresh_check ();
		1608	}
		1609
		1610	#endif /* HAVE_BG_PIXMAP */
1327		1611
1328	/*----------------------- end-of-file (C source) -----------------------*/	1612	/*----------------------- end-of-file (C source) -----------------------*/

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