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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.24 by pcg, Sat Jan 31 03:26:28 2004 UTC vs.
Revision 1.301 by ayin, Sat Jan 19 13:00:10 2008 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.24 2004/01/31 03:26:28 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) 2003-2007 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	:	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	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),	160	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
80	#endif	161	#endif
81	#ifdef TEXT_BLINK	162	#ifdef TEXT_BLINK
82	text_blink_ev (this, &rxvt_term::text_blink_cb),	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	#ifdef HAVE_SCROLLBARS
		178	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		179	#endif
		180	#ifdef USE_XIM
		181	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
83	#endif	182	#endif
84	#ifdef POINTER_BLANK	183	#ifdef POINTER_BLANK
85	pointer_ev (this, &rxvt_term::pointer_cb),	184	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
86	#endif	185	#endif
87	check_ev (this, &rxvt_term::check_cb),	186	#ifndef NO_BELL
88	destroy_ev (this, &rxvt_term::destroy_cb),	187	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
89	pty_ev (this, &rxvt_term::pty_cb),	188	#endif
90	x_ev (this, &rxvt_term::x_cb),	189	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
91	incr_ev (this, &rxvt_term::incr_cb)	190	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
92	{	191	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		192	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		193	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		194	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		195	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		196
93	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	197	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		198
		199	termlist.push_back (this);
		200
		201	#ifdef KEYSYM_RESOURCE
		202	keyboard = new keyboard_manager;
		203	#endif
		204	}
		205
		206	// clean up the most important stuff, do *not* call x or free mem etc.
		207	// for use before an emergency exit
		208	void
		209	rxvt_term::emergency_cleanup ()
		210	{
		211	if (cmd_pid)
		212	kill (-cmd_pid, SIGHUP);
		213
		214	pty_ev.stop ();
		215	delete pty; pty = 0;
94	}	216	}
95		217
96	rxvt_term::~rxvt_term ()	218	rxvt_term::~rxvt_term ()
97	{	219	{
		220	termlist.erase (find (termlist.begin (), termlist.end(), this));
		221
		222	emergency_cleanup ();
		223
		224	#if ENABLE_STYLES
		225	for (int i = RS_styleCount; --i; )
		226	if (fontset[i] != fontset[0])
		227	delete fontset[i];
		228	#endif
		229	delete fontset[0];
		230
		231	#ifdef HAVE_BG_PIXMAP
		232	bgPixmap.destroy ();
		233	#endif
		234
		235	if (display)
		236	{
		237	selection_clear ();
		238
		239	#ifdef USE_XIM
		240	im_destroy ();
		241	#endif
		242	#ifdef XTERM_SCROLLBAR
		243	if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
		244	if (ShadowGC) XFreeGC (dpy, ShadowGC);
		245	#endif
		246	#ifdef PLAIN_SCROLLBAR
		247	if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
		248	#endif
		249	#ifdef NEXT_SCROLLBAR
		250	if (blackGC) XFreeGC (dpy, blackGC);
		251	if (whiteGC) XFreeGC (dpy, whiteGC);
		252	if (grayGC) XFreeGC (dpy, grayGC);
		253	if (darkGC) XFreeGC (dpy, darkGC);
		254	if (stippleGC) XFreeGC (dpy, stippleGC);
		255	if (dimple) XFreePixmap (dpy, dimple);
		256	if (upArrow) XFreePixmap (dpy, upArrow);
		257	if (downArrow) XFreePixmap (dpy, downArrow);
		258	if (upArrowHi) XFreePixmap (dpy, upArrowHi);
		259	if (downArrowHi) XFreePixmap (dpy, downArrowHi);
		260	#endif
		261	#ifdef RXVT_SCROLLBAR
		262	if (topShadowGC) XFreeGC (dpy, topShadowGC);
		263	if (botShadowGC) XFreeGC (dpy, botShadowGC);
		264	if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
		265	#endif
		266	if (gc) XFreeGC (dpy, gc);
		267
		268	delete drawable;
		269	// destroy all windows
		270	if (parent[0])
		271	XDestroyWindow (dpy, parent[0]);
		272
		273	for (int i = 0; i < TOTAL_COLORS; i++)
		274	if (ISSET_PIXCOLOR (i))
		275	{
		276	pix_colors_focused [i].free (this);
		277	#if OFF_FOCUS_FADING
		278	pix_colors_unfocused [i].free (this);
		279	#endif
		280	}
		281
		282	clear ();
		283
		284	display->flush (); /* ideally .put should do this */
		285	displays.put (display);
		286	}
		287
98	scr_release ();	288	scr_release ();
99		289
		290	/* clear all resources */
		291	for (int i = 0; i < allocated.size (); i++)
		292	free (allocated [i]);
		293
		294	free (selection.text);
		295	// TODO: manage env vars in child only(!)
		296	free (env_display);
		297	free (env_term);
100	free (locale);	298	free (locale);
101	free (codeset);	299	free (v_buffer);
		300	free (incr_buf);
102		301
103	#ifndef NO_SETOWNER_TTYDEV	302	delete envv;
104	privileged_ttydev (RESTORE);	303	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		304
117	if (cmd_fd >= 0)	305	#ifdef KEYSYM_RESOURCE
118	close (cmd_fd);	306	delete keyboard;
		307	#endif
		308	#ifndef NO_RESOURCES
		309	XrmDestroyDatabase (option_db);
		310	#endif
		311	}
119		312
120	if (Xfd >= 0)	313	// child has exited, usually destroys
121	XCloseDisplay (Xdisplay);	314	void
		315	rxvt_term::child_cb (ev::child &w, int status)
		316	{
		317	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
122		318
123	delete PixColors;	319	cmd_pid = 0;
		320
		321	if (!option (Opt_hold))
		322	destroy ();
124	}	323	}
125		324
126	void	325	void
127	rxvt_term::destroy ()	326	rxvt_term::destroy ()
128	{	327	{
		328	if (destroy_ev.is_active ())
		329	return;
		330
		331	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		332
		333	#if ENABLE_OVERLAY
		334	scr_overlay_off ();
		335	#endif
		336
		337	if (display)
		338	{
		339	#if USE_XIM
		340	im_ev.stop (display);
		341	#endif
		342	#if HAVE_SCROLLBARS
		343	scrollbar_ev.stop (display);
		344	#endif
		345	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		346	rootwin_ev.stop (display);
		347	#endif
		348	incr_ev.stop ();
		349	termwin_ev.stop (display);
		350	vt_ev.stop (display);
		351	}
		352
129	check_ev.stop ();	353	flush_ev.stop ();
130	pty_ev.stop ();	354	pty_ev.stop ();
131	x_ev.stop ();
132	#ifdef CURSOR_BLINK	355	#ifdef CURSOR_BLINK
133	cursor_blink_ev.stop ();	356	cursor_blink_ev.stop ();
134	#endif	357	#endif
135	#ifdef TEXT_BLINK	358	#ifdef TEXT_BLINK
136	text_blink_ev.stop ();	359	text_blink_ev.stop ();
137	#endif	360	#endif
		361	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		362	cont_scroll_ev.stop ();
		363	#endif
		364	#ifdef SELECTION_SCROLLING
		365	sel_scroll_ev.stop ();
		366	#endif
138	#ifdef POINTER_BLANK	367	#ifdef POINTER_BLANK
139	pointer_ev.stop ();	368	pointer_ev.stop ();
140	#endif	369	#endif
141		370
142	destroy_ev.start (0);	371	destroy_ev.start ();
143	}	372	}
144		373
145	void	374	void
146	rxvt_term::destroy_cb (time_watcher &w)	375	rxvt_term::destroy_cb (ev::idle &w, int revents)
147	{	376	{
148	SET_R (this);	377	make_current ();
149		378
150	delete this;	379	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	}	380	}
328		381
329	/*----------------------------------------------------------------------*/	382	/*----------------------------------------------------------------------*/
330	/*	383	/*
331	* Exit gracefully, clearing the utmp entry and restoring tty attributes	384	* Exit gracefully, clearing the utmp entry and restoring tty attributes
332	* TODO: if debugging, this should free up any known resources if we can	385	* TODO: if debugging, this should free up any known resources if we can
333	*/	386	*/
334	/* EXTPROTO */	387	static XErrorHandler old_xerror_handler;
335	void
336	rxvt_clean_exit ()
337	{
338	GET_R->destroy ();
339	}
340		388
341	/* ------------------------------------------------------------------------- *	389	static void
342	* MEMORY ALLOCATION WRAPPERS *	390	rxvt_emergency_cleanup ()
343	* ------------------------------------------------------------------------- */
344	/* EXTPROTO */
345	void *
346	rxvt_malloc(size_t size)
347	{	391	{
348	void *p;	392	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
349		393	(*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	}	394	}
359		395
360	/* EXTPROTO */	396	#if !ENABLE_MINIMAL
361	void *	397	static void
362	rxvt_calloc(size_t number, size_t size)	398	print_x_error (Display *dpy, XErrorEvent *event)
363	{	399	{
364	void *p;	400	char buffer[BUFSIZ];
365		401	char mesg[BUFSIZ];
366	p = calloc(number, size);	402	char number[32];
367	if (p)	403	char *mtype = "XlibMessage";
368	return p;	404	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
369		405	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
370	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	406	rxvt_warn ("An X Error occured, trying to continue after report.\n");
371	rxvt_clean_exit();	407	rxvt_warn ("%s: %s\n", mesg, buffer);
372	exit(EXIT_FAILURE);	408	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
373	/* NOTREACHED */	409	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		410	sprintf(number, "%d", event->request_code);
		411	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		412	rxvt_warn ("(which is %s)\n", buffer);
		413	if (event->request_code >= 128) {
		414	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		415	mesg, BUFSIZ);
		416	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		417	}
		418	if ((event->error_code == BadWindow) ||
		419	(event->error_code == BadPixmap) ||
		420	(event->error_code == BadCursor) ||
		421	(event->error_code == BadFont) ||
		422	(event->error_code == BadDrawable) ||
		423	(event->error_code == BadColor) ||
		424	(event->error_code == BadGC) ||
		425	(event->error_code == BadIDChoice) ||
		426	(event->error_code == BadValue) ||
		427	(event->error_code == BadAtom)) {
		428	if (event->error_code == BadValue)
		429	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		430	mesg, BUFSIZ);
		431	else if (event->error_code == BadAtom)
		432	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		433	mesg, BUFSIZ);
		434	else
		435	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		436	mesg, BUFSIZ);
		437	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		438	}
		439	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		440	mesg, BUFSIZ);
		441	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
374	}	442	}
375
376	/* EXTPROTO */
377	void *
378	rxvt_realloc(void *ptr, size_t size)
379	{
380	void *p;
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	443	#endif
409	# ifdef HAVE_SETEUID	444
410	switch (mode) {	445	int
411	case IGNORE:	446	rxvt_xerror_handler (Display *display, XErrorEvent *event)
412	/*	447	{
413	* change effective uid/gid - not real uid/gid - so we can switch	448	if (GET_R->allowedxerror == -1)
414	* back to root later, as required	449	GET_R->allowedxerror = event->error_code;
415	*/	450	else
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	}	451	{
		452	// GET_R is most likely not the terminal which caused the error,
		453	// so just output the error and continue
		454	#if ENABLE_MINIMAL
		455	old_xerror_handler (display, event);
428	# else	456	#else
429	switch (mode) {	457	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	458	#endif
440	#endif	459	}
441	}
442		460
443	#ifdef UTMP_SUPPORT	461	return 0;
444	void	462	}
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		463
454	privileges (RESTORE);	464	int
455	if (action == SAVE) {	465	rxvt_xioerror_handler (Display *display)
456	next_utmp_action = RESTORE;	466	{
457	makeutent (ttydev, rs[Rs_display_name]);	467	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
458	} else { /* action == RESTORE */	468	DisplayString (display));
459	next_utmp_action = IGNORE;	469	rxvt_emergency_cleanup ();
460	cleanutent ();	470	_exit (EXIT_FAILURE);
		471	}
		472
		473	static struct sig_handlers
		474	{
		475	ev::sig sw_term, sw_int;
		476
		477	/*
		478	* Catch a fatal signal and tidy up before quitting
		479	*/
		480	void sig_term (ev::sig &w, int revents);
		481
		482	sig_handlers ()
		483	{
		484	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		485	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
461	}	486	}
462	privileges (IGNORE);	487	} sig_handlers;
463	}
464	#endif
465		488
466	#ifndef NO_SETOWNER_TTYDEV
467	void	489	void
468	rxvt_term::privileged_ttydev (char action)	490	sig_handlers::sig_term (ev::sig &w, int revents)
469	{	491	{
470	D_MAIN((stderr,	492	rxvt_emergency_cleanup ();
471	"privileged_ttydev (%c); waiting for: %c (pid: %d)",	493	w.stop ();
472	action, next_tty_action, getpid()));	494	kill (getpid (), w.signum);
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
486	# endif
487	{
488	chown(ttydev, getuid(), ttygid); /* fail silently */
489	chmod(ttydev, ttymode);
490	# ifdef HAVE_REVOKE
491	revoke(ttydev);
492	# endif
493	}
494	} else { /* action == RESTORE */
495	next_tty_action = IGNORE;
496	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
497	chmod(ttydev, ttyfd_stat.st_mode);
498	chown(ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
499	# else
500	chmod(ttydev,
501	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
502	chown(ttydev, 0, 0);
503	# endif
504	}
505
506	privileges (IGNORE);
507
508	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
509	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
510	action == RESTORE ? "Restoring" : (action ==
511	SAVE ? "Saving" :
512	"UNKNOWN ERROR for"), ttydev,
513	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
514	ttyfd_stat.st_gid));
515	# endif
516	}	495	}
517	#endif	496
		497	char **rxvt_environ; // startup environment
		498
		499	void
		500	rxvt_init ()
		501	{
		502	ptytty::init ();
		503
		504	if (!ev_default_loop (0))
		505	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		506
		507	rxvt_environ = environ;
		508
		509	signal (SIGHUP, SIG_IGN);
		510	signal (SIGPIPE, SIG_IGN);
		511
		512	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		513	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		514
		515	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		516	/* signal (SIGURG, SIG_DFL); */
		517
		518	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		519	// TODO: handle this with exceptions and tolerate the memory loss
		520	XSetIOErrorHandler (rxvt_xioerror_handler);
		521
		522	XrmInitialize ();
		523	}
518		524
519	/*----------------------------------------------------------------------*/	525	/*----------------------------------------------------------------------*/
520	/*	526	/*
521	* window size/position calculcations for XSizeHint and other storage.	527	* window size/position calculations for XSizeHint and other storage.
522	* if width/height are non-zero then override calculated width/height	528	* if width/height are non-zero then override calculated width/height
523	*/	529	*/
524	void	530	void
525	rxvt_term::window_calc (unsigned int width, unsigned int height)	531	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
526	{	532	{
527	short recalc_x, recalc_y;	533	short recalc_x, recalc_y;
528	int x, y, sb_w, mb_h, flags;	534	int x, y, sb_w, flags;
529	unsigned int w, h;	535	unsigned int w, h;
530	unsigned int max_width, max_height;	536	unsigned int max_width, max_height;
531		537
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;	538	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
536	szHint.win_gravity = NorthWestGravity;	539	szHint.win_gravity = NorthWestGravity;
537	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	540	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
538		541
539	recalc_x = recalc_y = 0;	542	recalc_x = recalc_y = 0;
540	flags = 0;	543	flags = 0;
		544
541	if (!parsed_geometry) {	545	if (!parsed_geometry)
		546	{
542	parsed_geometry = 1;	547	parsed_geometry = 1;
		548
543	if (rs[Rs_geometry])	549	if (rs[Rs_geometry])
544	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	550	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		551
545	if (flags & WidthValue) {	552	if (flags & WidthValue)
546	TermWin.ncol = BOUND_POSITIVE_INT16(w);	553	{
		554	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
547	szHint.flags |= USSize;	555	szHint.flags |= USSize;
548	}	556	}
		557
549	if (flags & HeightValue) {	558	if (flags & HeightValue)
550	TermWin.nrow = BOUND_POSITIVE_INT16(h);	559	{
		560	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
551	szHint.flags |= USSize;	561	szHint.flags |= USSize;
552	}	562	}
		563
553	if (flags & XValue) {	564	if (flags & XValue)
		565	{
554	szHint.x = x;	566	szHint.x = x;
555	szHint.flags |= USPosition;	567	szHint.flags |= USPosition;
		568
556	if (flags & XNegative) {	569	if (flags & XNegative)
		570	{
557	recalc_x = 1;	571	recalc_x = 1;
558	szHint.win_gravity = NorthEastGravity;	572	szHint.win_gravity = NorthEastGravity;
559	}	573	}
560	}	574	}
		575
561	if (flags & YValue) {	576	if (flags & YValue)
		577	{
562	szHint.y = y;	578	szHint.y = y;
563	szHint.flags |= USPosition;	579	szHint.flags |= USPosition;
		580
564	if (flags & YNegative) {	581	if (flags & YNegative)
		582	{
565	recalc_y = 1;	583	recalc_y = 1;
		584
566	if (szHint.win_gravity == NorthEastGravity)	585	if (szHint.win_gravity == NorthEastGravity)
567	szHint.win_gravity = SouthEastGravity;	586	szHint.win_gravity = SouthEastGravity;
568	else	587	else
569	szHint.win_gravity = SouthWestGravity;	588	szHint.win_gravity = SouthWestGravity;
570	}	589	}
571	}	590	}
572	}	591	}
		592
573	/* TODO: BOUNDS */	593	/* TODO: BOUNDS */
574	TermWin.width = TermWin.ncol * TermWin.fwidth;	594	width = ncol * fwidth;
575	TermWin.height = TermWin.nrow * TermWin.fheight;	595	height = nrow * fheight;
576	max_width = MAX_COLS * TermWin.fwidth;	596	max_width = MAX_COLS * fwidth;
577	max_height = MAX_ROWS * TermWin.fheight;	597	max_height = MAX_ROWS * fheight;
578		598
579	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	599	szHint.base_width = szHint.base_height = 2 * int_bwidth;
580		600
581	sb_w = mb_h = 0;	601	sb_w = 0;
582	window_vt_x = window_vt_y = 0;	602	window_vt_x = window_vt_y = int_bwidth;
583	if (scrollbar_visible ()) {	603
		604	if (scrollBar.state)
		605	{
584	sb_w = scrollbar_TotalWidth();	606	sb_w = scrollbar_TotalWidth ();
585	szHint.base_width += sb_w;	607	szHint.base_width += sb_w;
		608
586	if (!(Options & Opt_scrollBar_right))	609	if (!option (Opt_scrollBar_right))
587	window_vt_x = sb_w;	610	window_vt_x += sb_w;
588	}	611	}
589	if (menubar_visible ()) {	612
590	mb_h = menuBar_TotalHeight();
591	szHint.base_height += mb_h;
592	window_vt_y = mb_h;
593	}
594	szHint.width_inc = TermWin.fwidth;	613	szHint.width_inc = fwidth;
595	szHint.height_inc = TermWin.fheight;	614	szHint.height_inc = fheight;
596	szHint.min_width = szHint.base_width + szHint.width_inc;	615	szHint.min_width = szHint.base_width + szHint.width_inc;
597	szHint.min_height = szHint.base_height + szHint.height_inc;	616	szHint.min_height = szHint.base_height + szHint.height_inc;
598		617
599	if (width && width - szHint.base_width < max_width) {	618	if (newwidth && newwidth - szHint.base_width < max_width)
		619	{
600	szHint.width = width;	620	szHint.width = newwidth;
601	TermWin.width = width - szHint.base_width;	621	width = newwidth - szHint.base_width;
602	} else {	622	}
603	MIN_IT(TermWin.width, max_width);	623	else
		624	{
		625	min_it (width, max_width);
604	szHint.width = szHint.base_width + TermWin.width;	626	szHint.width = szHint.base_width + width;
605	}	627	}
		628
606	if (height && height - szHint.base_height < max_height) {	629	if (newheight && newheight - szHint.base_height < max_height)
		630	{
607	szHint.height = height;	631	szHint.height = newheight;
608	TermWin.height = height - szHint.base_height;	632	height = newheight - szHint.base_height;
609	} else {	633	}
		634	else
		635	{
610	MIN_IT(TermWin.height, max_height);	636	min_it (height, max_height);
611	szHint.height = szHint.base_height + TermWin.height;	637	szHint.height = szHint.base_height + height;
612	}	638	}
		639
613	if (scrollbar_visible () && (Options & Opt_scrollBar_right))	640	if (scrollBar.state && option (Opt_scrollBar_right))
614	window_sb_x = szHint.width - sb_w;	641	window_sb_x = szHint.width - sb_w;
615		642
616	if (recalc_x)	643	if (recalc_x)
617	szHint.x += (DisplayWidth (Xdisplay, DefaultScreen (Xdisplay))	644	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
618	- szHint.width - 2 * TermWin.ext_bwidth);	645
619	if (recalc_y)	646	if (recalc_y)
620	szHint.y += (DisplayHeight (Xdisplay, DefaultScreen (Xdisplay))	647	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
621	- szHint.height - 2 * TermWin.ext_bwidth);
622		648
623	TermWin.ncol = TermWin.width / TermWin.fwidth;	649	ncol = width / fwidth;
624	TermWin.nrow = TermWin.height / TermWin.fheight;	650	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	}	651	}
630		652
631	/*----------------------------------------------------------------------*/	653	/*----------------------------------------------------------------------*/
632	/*	654	/*
633	* Tell the teletype handler what size the window is.	655	* Tell the teletype handler what size the window is.
634	* Called after a window size change.	656	* Called after a window size change.
635	*/	657	*/
636	void	658	void
637	rxvt_term::tt_winch ()	659	rxvt_term::tt_winch ()
638	{	660	{
		661	if (pty->pty < 0)
		662	return;
		663
639	struct winsize ws;	664	struct winsize ws;
640		665
641	if (cmd_fd < 0)
642	return;
643
644	ws.ws_col = TermWin.ncol;	666	ws.ws_col = ncol;
645	ws.ws_row = TermWin.nrow;	667	ws.ws_row = nrow;
646	ws.ws_xpixel = ws.ws_ypixel = 0;	668	ws.ws_xpixel = width;
647	#ifndef DEBUG_SIZE	669	ws.ws_ypixel = height;
648	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	670	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
649	#else	671
650	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	672	#if 0
651	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	673	// TIOCSWINSZ is supposed to do this automatically and correctly
652	# ifdef SIGWINCH
653	else if (cmd_pid) /* force through to the command */	674	if (cmd_pid) /* force through to the command */
654	kill (cmd_pid, SIGWINCH);	675	kill (-cmd_pid, SIGWINCH);
655	# endif
656	#endif	676	#endif
657	}	677	}
658		678
659	/*----------------------------------------------------------------------*/	679	/*----------------------------------------------------------------------*/
660	/* rxvt_change_font() - Switch to a new font */	680	/* set_fonts () - load and set the various fonts
661	/*	681	*
662	* init = 1 - initialize	682	* init = 1 - initialize
663	*	683	*
664	* fontname == FONT_UP - switch to bigger font	684	* fontname == FONT_UP - switch to bigger font
665	* fontname == FONT_DN - switch to smaller font	685	* fontname == FONT_DN - switch to smaller font
666	*/	686	*/
667	void	687	bool
668	rxvt_term::change_font (int init, const char *fontname)	688	rxvt_term::set_fonts ()
669	{	689	{
670	}	690	rxvt_fontset *fs = new rxvt_fontset (this);
		691	rxvt_fontprop prop;
671		692
		693	if (!fs
		694	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		695	|| !fs->realize_font (1))
		696	{
		697	delete fs;
		698	return false;
		699	}
		700
		701	#if ENABLE_STYLES
		702	for (int i = RS_styleCount; --i; )
		703	if (fontset[i] != fontset[0])
		704	delete fontset[i];
		705	#endif
		706
		707	delete fontset[0];
		708	fontset[0] = fs;
		709
		710	prop = (*fs)[1]->properties ();
		711	prop.height += lineSpace;
		712
		713	fs->set_prop (prop, false);
		714
		715	fwidth = prop.width;
		716	fheight = prop.height;
		717	fbase = prop.ascent;
		718
		719	for (int style = 1; style < 4; style++)
		720	{
		721	#if ENABLE_STYLES
		722	const char *res = rs[Rs_font + style];
		723
		724	if (res && !*res)
		725	fontset[style] = fontset[0];
		726	else
		727	{
		728	fontset[style] = fs = new rxvt_fontset (this);
		729	rxvt_fontprop prop2 = prop;
		730
		731	if (res)
		732	{
		733	fs->populate (res);
		734	fs->set_prop (prop2, false);
		735	}
		736	else
		737	{
		738	fs->populate (fontset[0]->fontdesc);
		739
		740	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		741	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		742
		743	fs->set_prop (prop2, true);
		744	}
		745
		746	}
		747	#else
		748	fontset[style] = fontset[0];
		749	#endif
		750	}
		751
		752	if (parent[0])
		753	{
		754	resize_all_windows (0, 0, 0);
		755	scr_remap_chars ();
		756	scr_touch (true);
		757	}
		758
		759	return true;
		760	}
		761
672	void	762	void
673	rxvt_term::font_up_down (int n, int direction)	763	rxvt_term::set_string_property (Atom prop, const char *str, int len)
674	{	764	{
		765	XChangeProperty (dpy, parent[0],
		766	prop, XA_STRING, 8, PropModeReplace,
		767	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		768	}
		769
		770	void
		771	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		772	{
		773	wchar_t *ws = rxvt_mbstowcs (str, len);
		774	char *s = rxvt_wcstoutf8 (ws);
		775
		776	XChangeProperty (dpy, parent[0],
		777	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		778	(const unsigned char *)s, strlen (s));
		779
		780	free (s);
		781	free (ws);
675	}	782	}
676		783
677	/*----------------------------------------------------------------------*/	784	/*----------------------------------------------------------------------*/
678	/*----------------------------------------------------------------------*/	785	/*----------------------------------------------------------------------*/
679	/* xterm sequences - title, iconName, color (exptl) */	786	/* xterm sequences - title, iconName, color (exptl) */
680	void	787	void
681	rxvt_term::set_title (const char *str)	788	rxvt_term::set_title (const char *str)
682	{	789	{
683	#ifndef SMART_WINDOW_TITLE	790	set_string_property (XA_WM_NAME, str);
684	XStoreName(Xdisplay, TermWin.parent[0], str);	791	#if ENABLE_EWMH
685	#else	792	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	793	#endif
695	}	794	}
696		795
697	void	796	void
698	rxvt_term::set_iconName (const char *str)	797	rxvt_term::set_icon_name (const char *str)
699	{	798	{
700	#ifndef SMART_WINDOW_TITLE	799	set_string_property (XA_WM_ICON_NAME, str);
701	XSetIconName(Xdisplay, TermWin.parent[0], str);	800	#if ENABLE_EWMH
702	#else	801	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	802	#endif
712	}	803	}
713		804
		805	void
		806	rxvt_term::set_window_color (int idx, const char *color)
		807	{
714	#ifdef XTERM_COLOR_CHANGE	808	#ifdef XTERM_COLOR_CHANGE
715	void
716	rxvt_term::set_window_color (int idx, const char *color)
717	{
718	rxvt_color xcol;	809	rxvt_color xcol;
719	int i;	810	int i;
720		811
721	if (color == NULL || *color == '\0')	812	if (color == NULL || *color == '\0')
722	return;	813	return;
723		814
		815	color = strdup (color);
		816	allocated.push_back ((void *)color);
		817	rs[Rs_color + idx] = color;
		818
724	/* handle color aliases */	819	/* handle color aliases */
725	if (isdigit(*color)) {	820	if (isdigit (*color))
		821	{
726	i = atoi(color);	822	i = atoi (color);
727	if (i >= 8 && i <= 15) { /* bright colors */	823
728	i -= 8;	824	if (i >= 8 && i <= 15)
729	# ifndef NO_BRIGHTCOLOR	825	{
		826	/* bright colors */
730	PixColors[idx] = PixColors[minBrightCOLOR + i];	827	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
731	SET_PIXCOLOR(idx);
732	goto Done;	828	goto done;
733	# endif
734	}	829	}
735	if (i >= 0 && i <= 7) { /* normal colors */	830
		831	if (i >= 0 && i <= 7)
		832	{
		833	/* normal colors */
736	PixColors[idx] = PixColors[minCOLOR + i];	834	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
737	SET_PIXCOLOR(idx);
738	goto Done;	835	goto done;
739	}	836	}
740	}	837	}
741	if (!rXParseAllocColor (& xcol, color))
742	return;
743	/* XStoreColor (Xdisplay, XCMAP, XColor*); */
744		838
745	/*	839	set_color (xcol, color);
		840
		841	/*
746	* FIXME: should free colors here, but no idea how to do it so instead,	842	* FIXME: should free colors here, but no idea how to do it so instead,
747	* so just keep gobbling up the colormap	843	* so just keep gobbling up the colormap
748	*/	844	*/
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		845
760	PixColors[idx] = xcol;	846	pix_colors_focused[idx] = xcol;
761	SET_PIXCOLOR(idx);
762		847
763	/* XSetWindowAttributes attr; */	848	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. */	849	/*TODO: handle Color_BD, scrollbar background, etc. */
771		850
772	set_colorfgbg ();	851	update_fade_color (idx);
773	recolour_cursor ();	852	recolour_cursor ();
774	/* the only reasonable way to enforce a clean update */	853	scr_recolour ();
775	scr_poweron ();	854	#endif /* XTERM_COLOR_CHANGE */
776	}	855	}
777
778	#else
779	# define set_window_color (idx,color) ((void)0)
780	#endif /* XTERM_COLOR_CHANGE */
781		856
782	void	857	void
783	rxvt_term::recolour_cursor ()	858	rxvt_term::recolour_cursor ()
784	{	859	{
785	#if TODO	860	XColor fg, bg;
786	rxvt_color xcol[2];
787		861
788	xcol[0] = PixColors[Color_pointer];	862	(ISSET_PIXCOLOR (Color_pointer_fg)
789	xcol[1] = PixColors[Color_bg];	863	? pix_colors_focused[Color_pointer_fg]
790	XQueryColors (Xdisplay, XCMAP, xcol, 2);	864	: pix_colors_focused[Color_fg]).get (fg);
		865
		866	(ISSET_PIXCOLOR (Color_pointer_bg)
		867	? pix_colors_focused[Color_pointer_bg]
		868	: pix_colors_focused[Color_bg]).get (bg);
		869
791	XRecolorCursor (Xdisplay, TermWin_cursor, &(xcol[0]), &(xcol[1]));	870	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
792	#endif
793	}	871	}
794		872
795	/*----------------------------------------------------------------------*/	873	/*----------------------------------------------------------------------*/
796	/*	874	/*
797	* find if fg/bg matches any of the normal (low-intensity) colors	875	* find if fg/bg matches any of the normal (low-intensity) colors
798	*/	876	*/
799	void	877	void
800	rxvt_term::set_colorfgbg ()	878	rxvt_term::set_colorfgbg ()
801	{	879	{
802	unsigned int i;	880	unsigned int i;
803	const char *xpmb = "\0";	881	const char *xpmb = "";
804	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	882	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
805		883
806	env_colorfgbg =	884	strcpy (fstr, "default");
807	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	885	strcpy (bstr, "default");
808	STRCPY(fstr, "default");
809	STRCPY(bstr, "default");
810	for (i = Color_Black; i <= Color_White; i++)	886	for (i = Color_Black; i <= Color_White; i++)
811	if (PixColors[Color_fg] == PixColors[i]) {	887	if (pix_colors[Color_fg] == pix_colors[i])
		888	{
812	sprintf(fstr, "%d", (i - Color_Black));	889	sprintf (fstr, "%d", (i - Color_Black));
813	break;	890	break;
814	}	891	}
		892
815	for (i = Color_Black; i <= Color_White; i++)	893	for (i = Color_Black; i <= Color_White; i++)
816	if (PixColors[Color_bg] == PixColors[i]) {	894	if (pix_colors[Color_bg] == pix_colors[i])
		895	{
817	sprintf(bstr, "%d", (i - Color_Black));	896	sprintf (bstr, "%d", (i - Color_Black));
818	#ifdef XPM_BACKGROUND	897	#ifdef BG_IMAGE_FROM_FILE
819	xpmb = "default;";	898	xpmb = "default;";
820	#endif	899	#endif
821	break;	900	break;
822	}	901	}
		902
823	sprintf(env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	903	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	}	904	}
836		905
837	/*----------------------------------------------------------------------*/	906	/*----------------------------------------------------------------------*/
838	/*
839	* Colour determination for low colour displays, routine from
840	* Hans de Goede <hans@highrise.nl>
841	*/
842		907
843	int	908	bool
844	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	909	rxvt_term::set_color (rxvt_color &color, const char *name)
845	{	910	{
846	if (!screen_in_out->set (this, colour)) {	911	if (color.set (this, name))
847	rxvt_print_error("can't allocate colour: %s", colour);
848	return false;
849	}
850
851	return true;	912	return true;
		913
		914	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		915	return false;
		916	}
		917
		918	void
		919	rxvt_term::alias_color (int dst, int src)
		920	{
		921	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
852	}	922	}
853		923
854	/* -------------------------------------------------------------------- *	924	/* -------------------------------------------------------------------- *
855	* - WINDOW RESIZING - *	925	* - WINDOW RESIZING - *
856	* -------------------------------------------------------------------- */	926	* -------------------------------------------------------------------- */
857	void	927	void
858	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	928	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
859	{	929	{
860	int fix_screen;	930	int fix_screen;
		931	int old_width = szHint.width;
		932	int old_height = szHint.height;
861		933
862	#ifdef SMART_RESIZE
863	int old_width = szHint.width, old_height = szHint.height;
864	#endif
865
866	window_calc (width, height);	934	window_calc (newwidth, newheight);
		935
		936	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
867	XSetWMNormalHints (Xdisplay, TermWin.parent[0], &szHint);	937	XSetWMNormalHints (dpy, parent[0], &szHint);
		938
868	if (!ignoreparent)	939	if (!ignoreparent)
869	{	940	{
870	#ifdef SMART_RESIZE	941	#ifdef SMART_RESIZE
871	/*	942	/*
872	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	943	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
875	int x, y, x1, y1;	946	int x, y, x1, y1;
876	int dx, dy;	947	int dx, dy;
877	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	948	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
878	Window unused_cr;	949	Window unused_cr;
879		950
880	XTranslateCoordinates (Xdisplay, TermWin.parent[0], Xroot,	951	XTranslateCoordinates (dpy, parent[0], display->root,
881	0, 0, &x, &y, &unused_cr);	952	0, 0, &x, &y, &unused_cr);
882	XGetGeometry (Xdisplay, TermWin.parent[0], &unused_cr, &x1, &y1,	953	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
883	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	954	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
884	/*	955	/*
885	* if Xroot isn't the parent window, a WM will probably have offset	956	* if display->root isn't the parent window, a WM will probably have offset
886	* our position for handles and decorations. Counter it	957	* our position for handles and decorations. Counter it
887	*/	958	*/
888	if (x1 != x || y1 != y) {	959	if (x1 != x || y1 != y)
		960	{
889	x -= x1;	961	x -= x1;
890	y -= y1;	962	y -= y1;
891	}	963	}
892		964
893	x1 = (DisplayWidth (Xdisplay, Xscreen) - old_width) / 2;	965	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
894	y1 = (DisplayHeight (Xdisplay, Xscreen) - old_height) / 2;	966	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
895	dx = old_width - szHint.width;	967	dx = old_width - szHint.width;
896	dy = old_height - szHint.height;	968	dy = old_height - szHint.height;
897		969
898	/* Check position of the center of the window */	970	/* Check position of the center of the window */
899	if (x < x1) /* left half */	971	if (x < x1) /* left half */
900	dx = 0;	972	dx = 0;
901	else if (x == x1) /* exact center */	973	else if (x == x1) /* exact center */
902	dx /= 2;	974	dx /= 2;
903	if (y < y1) /* top half */	975	if (y < y1) /* top half */
904	dy = 0;	976	dy = 0;
905	else if (y == y1) /* exact center */	977	else if (y == y1) /* exact center */
906	dy /= 2;	978	dy /= 2;
907		979
908	XMoveResizeWindow (Xdisplay, TermWin.parent[0], x + dx, y + dy,	980	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
909	szHint.width, szHint.height);	981	szHint.width, szHint.height);
910	#else	982	#else
911	XResizeWindow (Xdisplay, TermWin.parent[0], szHint.width,	983	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
912	szHint.height);
913	#endif	984	#endif
914	}	985	}
915		986
916	fix_screen = (TermWin.ncol != prev_ncol	987	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
917	|| TermWin.nrow != prev_nrow);
918		988
919	if (fix_screen || width != old_width || height != old_height)	989	if (fix_screen || newwidth != old_width || newheight != old_height)
920	{	990	{
921	if (scrollbar_visible ())	991	if (scrollBar.state)
922	{	992	{
923	XMoveResizeWindow (Xdisplay, scrollBar.win, window_sb_x,	993	XMoveResizeWindow (dpy, scrollBar.win,
		994	window_sb_x, 0,
924	0, scrollbar_TotalWidth (), szHint.height);	995	scrollbar_TotalWidth (), szHint.height);
925	resize_scrollbar ();	996	resize_scrollbar ();
926	}	997	}
927		998
928	if (menubar_visible ())	999	XMoveResizeWindow (dpy, vt,
929	XMoveResizeWindow (Xdisplay, menuBar.win, window_vt_x,	1000	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 ());	1001	width, height);
935	#ifdef RXVT_GRAPHICS	1002
936	if (old_height)	1003	#ifdef HAVE_BG_PIXMAP
937	Gr_Resize (old_width - szHint.base_width,	1004	if (bgPixmap.window_size_sensitive ())
938	old_height - szHint.base_height);	1005	update_background ();
939	#endif	1006	#endif
		1007
940	scr_clear ();	1008	scr_clear ();
941	#ifdef XPM_BACKGROUND
942	resize_pixmap ();
943	#endif
944	}	1009	}
945		1010
946	if (fix_screen || old_height == 0)	1011	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();	1012	scr_reset ();
961		1013
962	if (curr_screen >= 0) /* this is not the first time through */	1014	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
963	{	1015	//scr_touch (false);
964	scr_change_screen (curr_screen);
965	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
966	}
967	}
968		1016
969	old_width = szHint.width;	1017	#ifdef HAVE_BG_PIXMAP
970	old_height = szHint.height;	1018	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		1019	// if (bgPixmap.pixmap)
		1020	// scr_touch (false);
		1021	#endif
971		1022
972	#ifdef USE_XIM	1023	#ifdef USE_XIM
973	IMSetStatusPosition ();	1024	IMSetPosition ();
974	#endif	1025	#endif
975	}	1026	}
976		1027
977	/*	1028	/*
978	* Set the width/height of the vt window in characters. Units are pixels.	1029	* Set the width/height of the vt window in characters. Units are pixels.
979	* good for toggling 80/132 columns	1030	* good for toggling 80/132 columns
980	*/	1031	*/
981	void	1032	void
982	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1033	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
983	{	1034	{
984	XWindowAttributes wattr;	1035	XWindowAttributes wattr;
985		1036
986	if (width == 0 || height == 0) {	1037	if (newwidth == 0 || newheight == 0)
		1038	{
987	XGetWindowAttributes(Xdisplay, Xroot, &wattr);	1039	XGetWindowAttributes (dpy, display->root, &wattr);
		1040
988	if (width == 0)	1041	if (newwidth == 0)
989	width = wattr.width - szHint.base_width;	1042	newwidth = wattr.width - szHint.base_width;
990	if (height == 0)	1043	if (newheight == 0)
991	height = wattr.height - szHint.base_height;	1044	newheight = wattr.height - szHint.base_height;
		1045	}
		1046
		1047	if (newwidth != width || newheight != height)
992	}	1048	{
993	if (width != TermWin.width || height != TermWin.height) {
994	width += szHint.base_width;	1049	newwidth += szHint.base_width;
995	height += szHint.base_height;	1050	newheight += szHint.base_height;
996	resize_all_windows (width, height, 0);	1051	resize_all_windows (newwidth, newheight, 0);
997	}	1052	}
998	}	1053	}
999		1054
1000	/* -------------------------------------------------------------------- *	1055	/* -------------------------------------------------------------------- *
1001	* - X INPUT METHOD ROUTINES - *	1056	* - X INPUT METHOD ROUTINES - *
1002	* -------------------------------------------------------------------- */	1057	* -------------------------------------------------------------------- */
1003	#ifdef USE_XIM	1058	#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		1059
1013	void	1060	void
1014	rxvt_term::set_color (unsigned long *fg, unsigned long *bg)	1061	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1015	{	1062	{
1016	*fg = PixColors[Color_fg];	1063	fg = pix_colors [Color_fg];
1017	*bg = PixColors[Color_bg];	1064	bg = pix_colors [Color_bg];
		1065	}
		1066
		1067	void
		1068	rxvt_term::im_set_size (XRectangle &size)
		1069	{
		1070	// the int_bwidth terms make no sense to me
		1071	size.x = int_bwidth;
		1072	size.y = int_bwidth;
		1073	size.width = Width2Pixel (ncol) + int_bwidth;
		1074	size.height = Height2Pixel (nrow) + int_bwidth;
		1075	}
		1076
		1077	void
		1078	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1079	XRectangle &status_rect,
		1080	const XRectangle &needed_rect)
		1081	{
		1082	preedit_rect.x = needed_rect.width;
		1083	preedit_rect.y = 0;
		1084	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1085	preedit_rect.height = fheight;
		1086
		1087	status_rect.x = 0;
		1088	status_rect.y = 0;
		1089	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1090	status_rect.height = fheight;
1018	}	1091	}
1019		1092
1020	/* Checking whether input method is running. */	1093	/* Checking whether input method is running. */
1021	bool	1094	bool
1022	rxvt_term::IMisRunning ()	1095	rxvt_term::IMisRunning ()
1023	{	1096	{
1024	char *p;	1097	char *p;
1025	Atom atom;	1098	Atom atom;
1026	Window win;	1099	Window win;
1027	char server[IMBUFSIZ];	1100	char server[IMBUFSIZ];
1028		1101
1029	/* get current locale modifier */	1102	/* get current locale modifier */
1030	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1103	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1104	{
1031	STRCPY(server, "@server=");	1105	strcpy (server, "@server=");
1032	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1106	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1107
1033	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1108	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1034	*p = '\0';	1109	*p = '\0';
1035		1110
1036	atom = XInternAtom(Xdisplay, server, False);	1111	atom = XInternAtom (dpy, server, False);
1037	win = XGetSelectionOwner(Xdisplay, atom);	1112	win = XGetSelectionOwner (dpy, atom);
		1113
1038	if (win != None)	1114	if (win != None)
1039	return True;	1115	return True;
1040	}	1116	}
		1117
1041	return False;	1118	return False;
1042	}	1119	}
1043		1120
1044	void	1121	void
1045	rxvt_term::IMSendSpot ()	1122	rxvt_term::IMSendSpot ()
1046	{	1123	{
1047	XPoint spot;	1124	XPoint nspot;
1048	XVaNestedList preedit_attr;	1125	XVaNestedList preedit_attr;
1049		1126
1050	if (Input_Context == NULL	1127	if (!Input_Context
1051	|| !TermWin.focus || !(input_style & XIMPreeditPosition)	1128	|| !focus
1052	|| !(event_type == KeyPress	1129	|| !(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;	1130	return;
1059		1131
1060	set_position (&spot);	1132	im_set_position (nspot);
1061		1133
		1134	if (nspot.x == spot.x && nspot.y == spot.y)
		1135	return;
		1136
		1137	spot = nspot;
		1138
1062	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1139	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1063	XSetICValues(Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1140	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1064	XFree(preedit_attr);	1141	XFree (preedit_attr);
1065	}	1142	}
1066		1143
1067	void	1144	void
1068	rxvt_term::set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,	1145	rxvt_term::im_destroy ()
1069	XRectangle * needed_rect)
1070	{	1146	{
1071	int mbh, vtx = 0;	1147	if (input_method)
		1148	{
		1149	if (Input_Context && input_method->xim)
		1150	XDestroyIC (Input_Context);
1072		1151
1073	if (scrollbar_visible () && !(Options & Opt_scrollBar_right))	1152	display->put_xim (input_method);
1074	vtx = scrollbar_TotalWidth();	1153	input_method = 0;
		1154	}
1075		1155
1076	mbh = menubar_visible () ? menuBar_TotalHeight() : 0;	1156	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	}	1157	}
1091		1158
1092	/* ARGSUSED */	1159	#ifdef ENABLE_XIM_ONTHESPOT
1093	/* EXTPROTO */	1160
1094	void	1161	static void
1095	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data	1162	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1096	__attribute__ ((unused)), XPointer call_data
1097	__attribute__ ((unused)))
1098	{	1163	{
1099	GET_R->Input_Context = NULL;	1164	((rxvt_term *)client_data)->make_current ();
1100	/* To avoid Segmentation Fault in C locale: Solaris only? */	1165	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	}	1166	}
		1167
		1168	static void
		1169	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1170	{
		1171	((rxvt_term *)client_data)->make_current ();
		1172	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1173	}
		1174
		1175	static void
		1176	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1177	{
		1178	rxvt_term *term = (rxvt_term *)client_data;
		1179	XIMText *text = call_data->text;
		1180
		1181	term->make_current ();
		1182
		1183	if (text)
		1184	{
		1185	void *str;
		1186
		1187	if (!text->encoding_is_wchar && text->string.multi_byte)
		1188	{
		1189	// of course, X makes it ugly again
		1190	if (term->rs[Rs_imLocale])
		1191	SET_LOCALE (term->rs[Rs_imLocale]);
		1192
		1193	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1194	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1195
		1196	if (term->rs[Rs_imLocale])
		1197	SET_LOCALE (term->locale);
		1198	}
		1199	else
		1200	str = (void *)text->string.wide_char;
		1201
		1202	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1203	DT_INT, call_data->caret,
		1204	DT_INT, call_data->chg_first,
		1205	DT_INT, call_data->chg_length,
		1206	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1207	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1208	DT_END));
		1209	}
		1210	else
		1211	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1212	DT_INT, call_data->caret,
		1213	DT_INT, call_data->chg_first,
		1214	DT_INT, call_data->chg_length,
		1215	DT_END));
		1216	}
		1217
		1218	#if 0
		1219	static void
		1220	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1221	{
		1222	((rxvt_term *)client_data)->make_current ();
		1223	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1224	DT_INT, call_data->position,
		1225	DT_INT, call_data->direction,
		1226	DT_INT, call_data->style,
		1227	DT_END));
		1228	}
		1229	#endif
		1230
		1231	#endif
1105		1232
1106	/*	1233	/*
1107	* Try to open a XIM with the current modifiers, then see if we can	1234	* Try to open a XIM with the current modifiers, then see if we can
1108	* open a suitable preedit type	1235	* open a suitable preedit type
1109	*/	1236	*/
1110	bool	1237	bool
1111	rxvt_term::IM_get_IC ()	1238	rxvt_term::IM_get_IC (const char *modifiers)
1112	{	1239	{
1113	int i, j, found;	1240	int i, j, found;
1114	XIM xim;	1241	XIM xim;
1115	XPoint spot;	1242	XPoint spot;
1116	XRectangle rect, status_rect, needed_rect;	1243	XRectangle rect, status_rect, needed_rect;
1117	unsigned long fg, bg;	1244	unsigned long fg, bg;
1118	const char *p;	1245	const char *p;
1119	char **s;	1246	char **s;
1120	XIMStyles *xim_styles;	1247	XIMStyles *xim_styles;
1121	XVaNestedList preedit_attr, status_attr;	1248	#ifdef ENABLE_XIM_ONTHESPOT
1122	XIMCallback ximcallback;	1249	XIMCallback xcb[4];
		1250	#endif
1123		1251
1124	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1252	set_environ (envv);
1125	xim = XOpenIM (Xdisplay, NULL, NULL, NULL);	1253
1126	if (xim == NULL)	1254	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1127	return False;	1255	return false;
1128		1256
		1257	input_method = display->get_xim (locale, modifiers);
		1258	if (input_method == NULL)
		1259	return false;
		1260
		1261	xim = input_method->xim;
		1262	spot.x = spot.y = -1;
		1263
1129	xim_styles = NULL;	1264	xim_styles = NULL;
1130	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1265	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1131	|| !xim_styles || !xim_styles->count_styles) {	1266	|| !xim_styles || !xim_styles->count_styles)
1132	XCloseIM(xim);	1267	{
		1268	im_destroy ();
1133	return False;	1269	return false;
		1270	}
		1271
		1272	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1273
		1274	for (int pi = 0; pi < 2; pi++)
1134	}	1275	{
		1276	p = pet[pi];
1135		1277
1136	p = rs[Rs_preeditType] ? rs[Rs_preeditType]	1278	if (!p)
1137	: "OverTheSpot,OffTheSpot,Root";	1279	continue;
		1280
1138	s = rxvt_splitcommastring(p);	1281	s = rxvt_splitcommastring (p);
		1282
1139	for (i = found = 0; !found && s[i]; i++) {	1283	for (i = found = 0; !found && s[i]; i++)
		1284	{
1140	if (!STRCMP(s[i], "OverTheSpot"))	1285	if (!strcmp (s[i], "OverTheSpot"))
1141	input_style = (XIMPreeditPosition | XIMStatusNothing);	1286	input_style = XIMPreeditPosition | XIMStatusNothing;
1142	else if (!STRCMP(s[i], "OffTheSpot"))	1287	else if (!strcmp (s[i], "OffTheSpot"))
1143	input_style = (XIMPreeditArea | XIMStatusArea);	1288	input_style = XIMPreeditArea | XIMStatusArea;
1144	else if (!STRCMP(s[i], "Root"))	1289	else if (!strcmp (s[i], "Root"))
1145	input_style = (XIMPreeditNothing | XIMStatusNothing);	1290	input_style = XIMPreeditNothing | XIMStatusNothing;
		1291	else if (!strcmp (s[i], "None"))
		1292	input_style = XIMPreeditNone | XIMStatusNone;
		1293	#ifdef ENABLE_XIM_ONTHESPOT
		1294	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1295	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1296	#endif
		1297	else
		1298	input_style = XIMPreeditNothing | XIMStatusNothing;
1146		1299
1147	for (j = 0; j < xim_styles->count_styles; j++)	1300	for (j = 0; j < xim_styles->count_styles; j++)
1148	if (input_style == xim_styles->supported_styles[j]) {	1301	if (input_style == xim_styles->supported_styles[j])
		1302	{
		1303	rxvt_freecommastring (s);
		1304
1149	found = 1;	1305	found = 1;
1150	break;	1306	goto foundpet;
1151	}	1307	}
		1308
		1309	}
		1310
		1311	rxvt_freecommastring (s);
1152	}	1312	}
1153	for (i = 0; s[i]; i++)	1313
1154	free(s[i]);	1314	foundpet:
1155	free(s);	1315
1156	XFree(xim_styles);	1316	XFree (xim_styles);
1157		1317
1158	if (!found) {	1318	if (!found)
1159	XCloseIM(xim);	1319	{
		1320	im_destroy ();
1160	return False;	1321	return false;
		1322	}
		1323
		1324	XFontSet fs = 0;
		1325	XVaNestedList preedit_attr = 0, status_attr = 0;
		1326
		1327	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1161	}	1328	{
		1329	// fake us a font-set, please
		1330	char **missing_charset_list;
		1331	int missing_charset_count;
		1332	char *def_string;
		1333	char pat[512];
1162		1334
1163	ximcallback.callback = rxvt_IMDestroyCallback;	1335	sprintf (pat,
		1336	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1337	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1338	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1339	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1340	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1341	"*",
		1342	fheight,
		1343	fheight + 1, fheight - 1,
		1344	fheight - 2, fheight + 2);
1164		1345
1165	/* XXX: not sure why we need this (as well as IC one below) */	1346	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1166	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1347	&missing_charset_list, &missing_charset_count, &def_string);
1167		1348
1168	preedit_attr = status_attr = NULL;	1349	if (missing_charset_list)
		1350	XFreeStringList (missing_charset_list);
1169		1351
		1352	if (!fs)
		1353	{
		1354	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1355	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1356	}
		1357	}
		1358
1170	if (input_style & XIMPreeditPosition) {	1359	if (input_style & XIMPreeditPosition)
		1360	{
1171	set_size (&rect);	1361	im_set_size (rect);
1172	set_position (&spot);	1362	im_set_position (spot);
1173	set_color (&fg, &bg);	1363	im_set_color (fg, bg);
1174		1364
1175	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1365	preedit_attr = XVaCreateNestedList (0,
		1366	XNForeground, fg,
		1367	XNBackground, bg,
		1368	XNArea, &rect,
1176	XNSpotLocation, &spot,	1369	XNSpotLocation, &spot,
1177	XNForeground, fg, XNBackground, bg,
1178	//XNFontSet, TermWin.fontset,	1370	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);	1371	NULL);
1199	}	1372	}
1200	Input_Context = XCreateIC(xim, XNInputStyle, input_style,	1373	else if (input_style & XIMPreeditArea)
		1374	{
		1375	im_set_color (fg, bg);
		1376
		1377	/*
		1378	* The necessary width of preedit area is unknown
		1379	* until create input context.
		1380	*/
		1381	needed_rect.width = 0;
		1382	im_set_preedit_area (rect, status_rect, needed_rect);
		1383
		1384	preedit_attr = XVaCreateNestedList (0,
		1385	XNForeground, fg,
		1386	XNBackground, bg,
		1387	XNArea, &rect,
		1388	XNFontSet, fs,
		1389	NULL);
		1390	status_attr = XVaCreateNestedList (0,
		1391	XNForeground, fg,
		1392	XNBackground, bg,
		1393	XNArea, &status_rect,
		1394	XNFontSet, fs,
		1395	NULL);
		1396	}
		1397	#if ENABLE_XIM_ONTHESPOT
		1398	else if (input_style & XIMPreeditCallbacks)
		1399	{
		1400	im_set_position (spot);
		1401
		1402	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1403	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1404	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1405	# if 0
		1406	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1407	# endif
		1408
		1409	preedit_attr = XVaCreateNestedList (0,
		1410	XNSpotLocation, &spot,
		1411	XNPreeditStartCallback, &xcb[0],
		1412	XNPreeditDoneCallback , &xcb[1],
		1413	XNPreeditDrawCallback , &xcb[2],
		1414	# if 0
		1415	XNPreeditCaretCallback, &xcb[3],
		1416	# endif
		1417	NULL);
		1418	}
		1419	#endif
		1420
		1421	Input_Context = XCreateIC (xim,
		1422	XNInputStyle, input_style,
1201	XNClientWindow, TermWin.parent[0],	1423	XNClientWindow, vt,
1202	XNFocusWindow, TermWin.parent[0],	1424	XNFocusWindow, parent[0],
1203	XNDestroyCallback, &ximcallback,
1204	preedit_attr ? XNPreeditAttributes : NULL,	1425	preedit_attr ? XNPreeditAttributes : NULL,
1205	preedit_attr,	1426	preedit_attr,
1206	status_attr ? XNStatusAttributes : NULL,	1427	status_attr ? XNStatusAttributes : NULL,
1207	status_attr, NULL);	1428	status_attr, NULL);
1208	if (preedit_attr)	1429
1209	XFree(preedit_attr);	1430	if (preedit_attr) XFree (preedit_attr);
1210	if (status_attr)	1431	if (status_attr) XFree (status_attr);
1211	XFree(status_attr);	1432	if (fs) XFreeFontSet (dpy, fs);
		1433
1212	if (Input_Context == NULL) {	1434	if (Input_Context == NULL)
1213	rxvt_print_error("failed to create input context");	1435	{
1214	XCloseIM(xim);	1436	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1437	im_destroy ();
1215	return False;	1438	return false;
1216	}	1439	}
1217	if (input_style & XIMPreeditArea)	1440
		1441	#if 0
		1442	// unfortunately, only the focus window is used by XIM, hard to fix
		1443	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1444	vt_select_input ();
		1445	#endif
		1446
1218	IMSetStatusPosition ();	1447	IMSetPosition ();
1219	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1448
1220	return True;	1449	return true;
1221	}	1450	}
1222		1451
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	1452	void
1232	rxvt_IMInstantiateCallback(Display * unused	1453	rxvt_term::im_cb ()
1233	__attribute__ ((unused)), XPointer client_data
1234	__attribute__ ((unused)), XPointer call_data
1235	__attribute__ ((unused)))
1236	{	1454	{
1237	int i, found, had_im;	1455	int i;
1238	const char *p;	1456	const char *p;
1239	char **s;	1457	char **s;
1240	char buf[IMBUFSIZ];	1458	char buf[IMBUFSIZ];
1241		1459
1242	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1460	make_current ();
		1461
		1462	im_destroy ();
		1463
1243	if (GET_R->Input_Context)	1464	if (Input_Context)
1244	return;	1465	return;
1245		1466
1246	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1467	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1247	if (GET_R->rs[Rs_imLocale])	1468	if (rs[Rs_imLocale])
1248	setlocale (LC_CTYPE, GET_R->rs[Rs_imLocale]);	1469	SET_LOCALE (rs[Rs_imLocale]);
1249	#endif	1470	#endif
1250		1471
1251	p = GET_R->rs[Rs_inputMethod];	1472	p = rs[Rs_inputMethod];
1252	if (p && *p)	1473	if (p && *p)
1253	{	1474	{
1254	bool found = false;	1475	bool found = false;
1255		1476
1256	s = rxvt_splitcommastring (p);	1477	s = rxvt_splitcommastring (p);
		1478
1257	for (i = 0; s[i]; i++)	1479	for (i = 0; s[i]; i++)
1258	{	1480	{
1259	if (*s[i])	1481	if (*s[i])
1260	{	1482	{
1261	STRCPY (buf, "@im=");	1483	strcpy (buf, "@im=");
1262	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1484	strncat (buf, s[i], IMBUFSIZ - 5);
1263	if ((p = XSetLocaleModifiers (buf)) && *p && GET_R->IM_get_IC ())	1485	if (IM_get_IC (buf))
1264	{	1486	{
1265	found = true;	1487	found = true;
1266	break;	1488	break;
1267	}	1489	}
1268	}	1490	}
1269	}	1491	}
1270	for (i = 0; s[i]; i++)	1492
1271	free(s[i]);	1493	rxvt_freecommastring (s);
1272	free(s);
1273		1494
1274	if (found)	1495	if (found)
1275	goto done;	1496	goto done;
1276	}	1497	}
1277		1498
1278	/* try with XMODIFIERS env. var. */	1499	/* try with XMODIFIERS env. var. */
1279	if ((p = XSetLocaleModifiers ("")) && *p	1500	if (IM_get_IC (""))
1280	&& GET_R->IM_get_IC ())
1281	goto done;	1501	goto done;
1282		1502
1283	/* try with no modifiers base IF the user didn't specify an IM */	1503	/* try with no modifiers base IF the user didn't specify an IM */
1284	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1504	if (IM_get_IC ("@im=none"))
1285	&& GET_R->IM_get_IC () == True)
1286	goto done;	1505	goto done;
1287		1506
1288	done:	1507	done:
1289	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1508	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1290	if (GET_R->rs[Rs_imLocale])	1509	if (rs[Rs_imLocale])
1291	setlocale (LC_CTYPE, GET_R->locale);	1510	SET_LOCALE (locale);
1292	#endif	1511	#endif
1293	}	1512	}
1294		1513
1295	void	1514	void
1296	rxvt_term::IMSetStatusPosition ()	1515	rxvt_term::IMSetPosition ()
1297	{	1516	{
1298	XRectangle preedit_rect, status_rect, *needed_rect;	1517	XRectangle preedit_rect, status_rect, *needed_rect;
1299	XVaNestedList preedit_attr, status_attr;	1518	XVaNestedList preedit_attr, status_attr;
1300		1519
1301	if (Input_Context == NULL	1520	if (!Input_Context
1302	|| !TermWin.focus || !(input_style & XIMPreeditArea)	1521	|| !focus
		1522	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1303	|| !IMisRunning ())	1523	|| !IMisRunning ())
1304	return;	1524	return;
1305		1525
		1526	if (input_style & XIMPreeditPosition)
		1527	{
		1528	im_set_size (preedit_rect);
		1529	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1530
		1531	XSetICValues (Input_Context,
		1532	XNPreeditAttributes, preedit_attr, NULL);
		1533	}
		1534	else
		1535	{
1306	/* Getting the necessary width of preedit area */	1536	/* Getting the necessary width of preedit area */
1307	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1537	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1308	XGetICValues(Input_Context, XNStatusAttributes, status_attr, NULL);	1538	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1309	XFree(status_attr);	1539	XFree (status_attr);
1310		1540
1311	set_preedit_area(&preedit_rect, &status_rect, needed_rect);	1541	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1542	XFree (needed_rect);
1312		1543
1313	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1544	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1314	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1545	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1315		1546
1316	XSetICValues(Input_Context,	1547	XSetICValues (Input_Context,
1317	XNPreeditAttributes, preedit_attr,	1548	XNPreeditAttributes, preedit_attr,
1318	XNStatusAttributes, status_attr, NULL);	1549	XNStatusAttributes, status_attr,
		1550	NULL);
1319		1551
		1552	XFree (status_attr);
		1553	}
		1554
1320	XFree(preedit_attr);	1555	XFree (preedit_attr);
1321	XFree(status_attr);
1322	}	1556	}
1323	#endif /* USE_XIM */	1557	#endif /* USE_XIM */
1324		1558
1325	/*----------------------------------------------------------------------*/	1559	void
1326	rxvt_t rxvt_current_term;	1560	rxvt_term::get_window_origin (int &x, int &y)
		1561	{
		1562	Window cr;
		1563	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1564	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1565	}
		1566
		1567	Pixmap
		1568	rxvt_term::get_pixmap_property (int prop_id)
		1569	{
		1570	if (prop_id > 0 && prop_id < NUM_XA)
		1571	if (xa[prop_id])
		1572	{
		1573	int aformat;
		1574	unsigned long nitems, bytes_after;
		1575	Atom atype;
		1576	unsigned char *prop = NULL;
		1577	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1578	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1579	&nitems, &bytes_after, &prop);
		1580	if (result == Success && prop && atype == XA_PIXMAP)
		1581	return *(Pixmap *)prop;
		1582	}
		1583
		1584	return None;
		1585	}
		1586
		1587	#ifdef HAVE_BG_PIXMAP
		1588	# if TRACE_PIXMAPS
		1589	# undef update_background
		1590	void
		1591	rxvt_term::trace_update_background (const char *file, int line)
		1592	{
		1593	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1594	update_background ();
		1595	}
		1596	# endif
		1597
		1598	void
		1599	rxvt_term::update_background ()
		1600	{
		1601	if (update_background_ev.is_active ())
		1602	return;
		1603
		1604	bgPixmap.invalidate ();
		1605
		1606	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1607
		1608	if (to_wait <= 0.)
		1609	bgPixmap.render ();
		1610	else
		1611	update_background_ev.start (to_wait);
		1612	}
		1613
		1614	void
		1615	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1616	{
		1617	make_current ();
		1618
		1619	update_background_ev.stop ();
		1620	bgPixmap.render ();
		1621	refresh_check ();
		1622	}
		1623
		1624	#endif /* HAVE_BG_PIXMAP */
1327		1625
1328	/*----------------------- end-of-file (C source) -----------------------*/	1626	/*----------------------- end-of-file (C source) -----------------------*/

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