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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 1.306 by ayin, Mon Feb 18 09:58:04 2008 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
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	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		178	#ifdef USE_XIM
		179	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
83	#endif	180	#endif
84	#ifdef POINTER_BLANK	181	#ifdef POINTER_BLANK
85	pointer_ev (this, &rxvt_term::pointer_cb),	182	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
86	#endif	183	#endif
87	check_ev (this, &rxvt_term::check_cb),	184	#ifndef NO_BELL
88	destroy_ev (this, &rxvt_term::destroy_cb),	185	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
89	pty_ev (this, &rxvt_term::pty_cb),	186	#endif
90	x_ev (this, &rxvt_term::x_cb),	187	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
91	incr_ev (this, &rxvt_term::incr_cb)	188	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
92	{	189	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		190	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		191	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		192	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194
93	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		196
		197	termlist.push_back (this);
		198
		199	#ifdef KEYSYM_RESOURCE
		200	keyboard = new keyboard_manager;
		201	#endif
		202	}
		203
		204	// clean up the most important stuff, do *not* call x or free mem etc.
		205	// for use before an emergency exit
		206	void
		207	rxvt_term::emergency_cleanup ()
		208	{
		209	if (cmd_pid)
		210	kill (-cmd_pid, SIGHUP);
		211
		212	pty_ev.stop ();
		213	delete pty; pty = 0;
94	}	214	}
95		215
96	rxvt_term::~rxvt_term ()	216	rxvt_term::~rxvt_term ()
97	{	217	{
		218	termlist.erase (find (termlist.begin (), termlist.end(), this));
		219
		220	emergency_cleanup ();
		221
		222	#if ENABLE_STYLES
		223	for (int i = RS_styleCount; --i; )
		224	if (fontset[i] != fontset[0])
		225	delete fontset[i];
		226	#endif
		227	delete fontset[0];
		228
		229	#ifdef HAVE_BG_PIXMAP
		230	bgPixmap.destroy ();
		231	#endif
		232
		233	if (display)
		234	{
		235	selection_clear ();
		236
		237	#ifdef USE_XIM
		238	im_destroy ();
		239	#endif
		240	#ifdef XTERM_SCROLLBAR
		241	if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
		242	if (ShadowGC) XFreeGC (dpy, ShadowGC);
		243	#endif
		244	#ifdef PLAIN_SCROLLBAR
		245	if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
		246	#endif
		247	#ifdef NEXT_SCROLLBAR
		248	if (blackGC) XFreeGC (dpy, blackGC);
		249	if (whiteGC) XFreeGC (dpy, whiteGC);
		250	if (grayGC) XFreeGC (dpy, grayGC);
		251	if (darkGC) XFreeGC (dpy, darkGC);
		252	if (stippleGC) XFreeGC (dpy, stippleGC);
		253	if (dimple) XFreePixmap (dpy, dimple);
		254	if (upArrow) XFreePixmap (dpy, upArrow);
		255	if (downArrow) XFreePixmap (dpy, downArrow);
		256	if (upArrowHi) XFreePixmap (dpy, upArrowHi);
		257	if (downArrowHi) XFreePixmap (dpy, downArrowHi);
		258	#endif
		259	#ifdef RXVT_SCROLLBAR
		260	if (topShadowGC) XFreeGC (dpy, topShadowGC);
		261	if (botShadowGC) XFreeGC (dpy, botShadowGC);
		262	if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
		263	#endif
		264	if (gc) XFreeGC (dpy, gc);
		265
		266	delete drawable;
		267	// destroy all windows
		268	if (parent[0])
		269	XDestroyWindow (dpy, parent[0]);
		270
		271	for (int i = 0; i < TOTAL_COLORS; i++)
		272	if (ISSET_PIXCOLOR (i))
		273	{
		274	pix_colors_focused [i].free (this);
		275	#if OFF_FOCUS_FADING
		276	pix_colors_unfocused [i].free (this);
		277	#endif
		278	}
		279
		280	clear ();
		281
		282	display->flush (); /* ideally .put should do this */
		283	displays.put (display);
		284	}
		285
98	scr_release ();	286	scr_release ();
99		287
		288	/* clear all resources */
		289	for (int i = 0; i < allocated.size (); i++)
		290	free (allocated [i]);
		291
		292	free (selection.text);
		293	// TODO: manage env vars in child only(!)
		294	free (env_display);
		295	free (env_term);
100	free (locale);	296	free (locale);
101	free (codeset);	297	free (v_buffer);
		298	free (incr_buf);
102		299
103	#ifndef NO_SETOWNER_TTYDEV	300	delete envv;
104	privileged_ttydev (RESTORE);	301	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		302
117	if (cmd_fd >= 0)	303	#ifdef KEYSYM_RESOURCE
118	close (cmd_fd);	304	delete keyboard;
		305	#endif
		306	#ifndef NO_RESOURCES
		307	XrmDestroyDatabase (option_db);
		308	#endif
		309	}
119		310
120	if (Xfd >= 0)	311	// child has exited, usually destroys
121	XCloseDisplay (Xdisplay);	312	void
		313	rxvt_term::child_cb (ev::child &w, int status)
		314	{
		315	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
122		316
123	delete PixColors;	317	cmd_pid = 0;
		318
		319	if (!option (Opt_hold))
		320	destroy ();
124	}	321	}
125		322
126	void	323	void
127	rxvt_term::destroy ()	324	rxvt_term::destroy ()
128	{	325	{
		326	if (destroy_ev.is_active ())
		327	return;
		328
		329	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		330
		331	#if ENABLE_OVERLAY
		332	scr_overlay_off ();
		333	#endif
		334
		335	if (display)
		336	{
		337	#if USE_XIM
		338	im_ev.stop (display);
		339	#endif
		340	scrollbar_ev.stop (display);
		341	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		342	rootwin_ev.stop (display);
		343	#endif
		344	incr_ev.stop ();
		345	termwin_ev.stop (display);
		346	vt_ev.stop (display);
		347	}
		348
129	check_ev.stop ();	349	flush_ev.stop ();
130	pty_ev.stop ();	350	pty_ev.stop ();
131	x_ev.stop ();
132	#ifdef CURSOR_BLINK	351	#ifdef CURSOR_BLINK
133	cursor_blink_ev.stop ();	352	cursor_blink_ev.stop ();
134	#endif	353	#endif
135	#ifdef TEXT_BLINK	354	#ifdef TEXT_BLINK
136	text_blink_ev.stop ();	355	text_blink_ev.stop ();
137	#endif	356	#endif
		357	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		358	cont_scroll_ev.stop ();
		359	#endif
		360	#ifdef SELECTION_SCROLLING
		361	sel_scroll_ev.stop ();
		362	#endif
138	#ifdef POINTER_BLANK	363	#ifdef POINTER_BLANK
139	pointer_ev.stop ();	364	pointer_ev.stop ();
140	#endif	365	#endif
141		366
142	destroy_ev.start (0);	367	destroy_ev.start ();
143	}	368	}
144		369
145	void	370	void
146	rxvt_term::destroy_cb (time_watcher &w)	371	rxvt_term::destroy_cb (ev::idle &w, int revents)
147	{	372	{
148	SET_R (this);	373	make_current ();
149		374
150	delete this;	375	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	}	376	}
328		377
329	/*----------------------------------------------------------------------*/	378	/*----------------------------------------------------------------------*/
330	/*	379	/*
331	* Exit gracefully, clearing the utmp entry and restoring tty attributes	380	* Exit gracefully, clearing the utmp entry and restoring tty attributes
332	* TODO: if debugging, this should free up any known resources if we can	381	* TODO: if debugging, this should free up any known resources if we can
333	*/	382	*/
334	/* EXTPROTO */	383	static XErrorHandler old_xerror_handler;
335	void
336	rxvt_clean_exit ()
337	{
338	GET_R->destroy ();
339	}
340		384
341	/* ------------------------------------------------------------------------- *	385	static void
342	* MEMORY ALLOCATION WRAPPERS *	386	rxvt_emergency_cleanup ()
343	* ------------------------------------------------------------------------- */
344	/* EXTPROTO */
345	void *
346	rxvt_malloc(size_t size)
347	{	387	{
348	void *p;	388	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
349		389	(*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	}	390	}
359		391
360	/* EXTPROTO */	392	#if !ENABLE_MINIMAL
361	void *	393	static void
362	rxvt_calloc(size_t number, size_t size)	394	print_x_error (Display *dpy, XErrorEvent *event)
363	{	395	{
364	void *p;	396	char buffer[BUFSIZ];
365		397	char mesg[BUFSIZ];
366	p = calloc(number, size);	398	char number[32];
367	if (p)	399	char *mtype = "XlibMessage";
368	return p;	400	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
369		401	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
370	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	402	rxvt_warn ("An X Error occured, trying to continue after report.\n");
371	rxvt_clean_exit();	403	rxvt_warn ("%s: %s\n", mesg, buffer);
372	exit(EXIT_FAILURE);	404	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
373	/* NOTREACHED */	405	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		406	sprintf(number, "%d", event->request_code);
		407	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		408	rxvt_warn ("(which is %s)\n", buffer);
		409	if (event->request_code >= 128) {
		410	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		411	mesg, BUFSIZ);
		412	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		413	}
		414	if ((event->error_code == BadWindow) ||
		415	(event->error_code == BadPixmap) ||
		416	(event->error_code == BadCursor) ||
		417	(event->error_code == BadFont) ||
		418	(event->error_code == BadDrawable) ||
		419	(event->error_code == BadColor) ||
		420	(event->error_code == BadGC) ||
		421	(event->error_code == BadIDChoice) ||
		422	(event->error_code == BadValue) ||
		423	(event->error_code == BadAtom)) {
		424	if (event->error_code == BadValue)
		425	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		426	mesg, BUFSIZ);
		427	else if (event->error_code == BadAtom)
		428	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		429	mesg, BUFSIZ);
		430	else
		431	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		432	mesg, BUFSIZ);
		433	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		434	}
		435	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		436	mesg, BUFSIZ);
		437	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
374	}	438	}
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	439	#endif
409	# ifdef HAVE_SETEUID	440
410	switch (mode) {	441	int
411	case IGNORE:	442	rxvt_xerror_handler (Display *display, XErrorEvent *event)
412	/*	443	{
413	* change effective uid/gid - not real uid/gid - so we can switch	444	if (GET_R->allowedxerror == -1)
414	* back to root later, as required	445	GET_R->allowedxerror = event->error_code;
415	*/	446	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	}	447	{
		448	// GET_R is most likely not the terminal which caused the error,
		449	// so just output the error and continue
		450	#if ENABLE_MINIMAL
		451	old_xerror_handler (display, event);
428	# else	452	#else
429	switch (mode) {	453	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	454	#endif
440	#endif	455	}
441	}
442		456
443	#ifdef UTMP_SUPPORT	457	return 0;
444	void	458	}
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		459
454	privileges (RESTORE);	460	int
455	if (action == SAVE) {	461	rxvt_xioerror_handler (Display *display)
456	next_utmp_action = RESTORE;	462	{
457	makeutent (ttydev, rs[Rs_display_name]);	463	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
458	} else { /* action == RESTORE */	464	DisplayString (display));
459	next_utmp_action = IGNORE;	465	rxvt_emergency_cleanup ();
460	cleanutent ();	466	_exit (EXIT_FAILURE);
		467	}
		468
		469	static struct sig_handlers
		470	{
		471	ev::sig sw_term, sw_int;
		472
		473	/*
		474	* Catch a fatal signal and tidy up before quitting
		475	*/
		476	void sig_term (ev::sig &w, int revents);
		477
		478	sig_handlers ()
		479	{
		480	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		481	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
461	}	482	}
462	privileges (IGNORE);	483	} sig_handlers;
463	}
464	#endif
465		484
466	#ifndef NO_SETOWNER_TTYDEV
467	void	485	void
468	rxvt_term::privileged_ttydev (char action)	486	sig_handlers::sig_term (ev::sig &w, int revents)
469	{	487	{
470	D_MAIN((stderr,	488	rxvt_emergency_cleanup ();
471	"privileged_ttydev (%c); waiting for: %c (pid: %d)",	489	w.stop ();
472	action, next_tty_action, getpid()));	490	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	}	491	}
517	#endif	492
		493	char **rxvt_environ; // startup environment
		494
		495	void
		496	rxvt_init ()
		497	{
		498	ptytty::init ();
		499
		500	if (!ev_default_loop (0))
		501	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		502
		503	rxvt_environ = environ;
		504
		505	signal (SIGHUP, SIG_IGN);
		506	signal (SIGPIPE, SIG_IGN);
		507
		508	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		509	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		510
		511	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		512	/* signal (SIGURG, SIG_DFL); */
		513
		514	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		515	// TODO: handle this with exceptions and tolerate the memory loss
		516	XSetIOErrorHandler (rxvt_xioerror_handler);
		517
		518	XrmInitialize ();
		519	}
518		520
519	/*----------------------------------------------------------------------*/	521	/*----------------------------------------------------------------------*/
520	/*	522	/*
521	* window size/position calculcations for XSizeHint and other storage.	523	* window size/position calculations for XSizeHint and other storage.
522	* if width/height are non-zero then override calculated width/height	524	* if width/height are non-zero then override calculated width/height
523	*/	525	*/
524	void	526	void
525	rxvt_term::window_calc (unsigned int width, unsigned int height)	527	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
526	{	528	{
527	short recalc_x, recalc_y;	529	short recalc_x, recalc_y;
528	int x, y, sb_w, mb_h, flags;	530	int x, y, flags;
529	unsigned int w, h;	531	unsigned int w, h;
530	unsigned int max_width, max_height;	532	unsigned int max_width, max_height;
531		533
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;	534	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
536	szHint.win_gravity = NorthWestGravity;	535	szHint.win_gravity = NorthWestGravity;
537	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	536	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
538		537
539	recalc_x = recalc_y = 0;	538	recalc_x = recalc_y = 0;
540	flags = 0;	539	flags = 0;
		540
541	if (!parsed_geometry) {	541	if (!parsed_geometry)
		542	{
542	parsed_geometry = 1;	543	parsed_geometry = 1;
		544
543	if (rs[Rs_geometry])	545	if (rs[Rs_geometry])
544	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	546	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		547
545	if (flags & WidthValue) {	548	if (flags & WidthValue)
546	TermWin.ncol = BOUND_POSITIVE_INT16(w);	549	{
		550	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
547	szHint.flags |= USSize;	551	szHint.flags |= USSize;
548	}	552	}
		553
549	if (flags & HeightValue) {	554	if (flags & HeightValue)
550	TermWin.nrow = BOUND_POSITIVE_INT16(h);	555	{
		556	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
551	szHint.flags |= USSize;	557	szHint.flags |= USSize;
552	}	558	}
		559
553	if (flags & XValue) {	560	if (flags & XValue)
		561	{
554	szHint.x = x;	562	szHint.x = x;
555	szHint.flags |= USPosition;	563	szHint.flags |= USPosition;
		564
556	if (flags & XNegative) {	565	if (flags & XNegative)
		566	{
557	recalc_x = 1;	567	recalc_x = 1;
558	szHint.win_gravity = NorthEastGravity;	568	szHint.win_gravity = NorthEastGravity;
559	}	569	}
560	}	570	}
		571
561	if (flags & YValue) {	572	if (flags & YValue)
		573	{
562	szHint.y = y;	574	szHint.y = y;
563	szHint.flags |= USPosition;	575	szHint.flags |= USPosition;
		576
564	if (flags & YNegative) {	577	if (flags & YNegative)
		578	{
565	recalc_y = 1;	579	recalc_y = 1;
		580
566	if (szHint.win_gravity == NorthEastGravity)	581	if (szHint.win_gravity == NorthEastGravity)
567	szHint.win_gravity = SouthEastGravity;	582	szHint.win_gravity = SouthEastGravity;
568	else	583	else
569	szHint.win_gravity = SouthWestGravity;	584	szHint.win_gravity = SouthWestGravity;
570	}	585	}
571	}	586	}
572	}	587	}
		588
573	/* TODO: BOUNDS */	589	/* TODO: BOUNDS */
574	TermWin.width = TermWin.ncol * TermWin.fwidth;	590	width = ncol * fwidth;
575	TermWin.height = TermWin.nrow * TermWin.fheight;	591	height = nrow * fheight;
576	max_width = MAX_COLS * TermWin.fwidth;	592	max_width = MAX_COLS * fwidth;
577	max_height = MAX_ROWS * TermWin.fheight;	593	max_height = MAX_ROWS * fheight;
578		594
579	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	595	szHint.base_width = szHint.base_height = 2 * int_bwidth;
580		596
581	sb_w = mb_h = 0;
582	window_vt_x = window_vt_y = 0;	597	window_vt_x = window_vt_y = int_bwidth;
583	if (scrollbar_visible ()) {	598
		599	if (scrollBar.state)
		600	{
584	sb_w = scrollbar_TotalWidth();	601	int sb_w = scrollBar.total_width ();
585	szHint.base_width += sb_w;	602	szHint.base_width += sb_w;
		603
586	if (!(Options & Opt_scrollBar_right))	604	if (!option (Opt_scrollBar_right))
587	window_vt_x = sb_w;	605	window_vt_x += sb_w;
588	}	606	}
589	if (menubar_visible ()) {	607
590	mb_h = menuBar_TotalHeight();
591	szHint.base_height += mb_h;
592	window_vt_y = mb_h;
593	}
594	szHint.width_inc = TermWin.fwidth;	608	szHint.width_inc = fwidth;
595	szHint.height_inc = TermWin.fheight;	609	szHint.height_inc = fheight;
596	szHint.min_width = szHint.base_width + szHint.width_inc;	610	szHint.min_width = szHint.base_width + szHint.width_inc;
597	szHint.min_height = szHint.base_height + szHint.height_inc;	611	szHint.min_height = szHint.base_height + szHint.height_inc;
598		612
599	if (width && width - szHint.base_width < max_width) {	613	if (newwidth && newwidth - szHint.base_width < max_width)
		614	{
600	szHint.width = width;	615	szHint.width = newwidth;
601	TermWin.width = width - szHint.base_width;	616	width = newwidth - szHint.base_width;
602	} else {	617	}
603	MIN_IT(TermWin.width, max_width);	618	else
		619	{
		620	min_it (width, max_width);
604	szHint.width = szHint.base_width + TermWin.width;	621	szHint.width = szHint.base_width + width;
605	}	622	}
		623
606	if (height && height - szHint.base_height < max_height) {	624	if (newheight && newheight - szHint.base_height < max_height)
		625	{
607	szHint.height = height;	626	szHint.height = newheight;
608	TermWin.height = height - szHint.base_height;	627	height = newheight - szHint.base_height;
609	} else {	628	}
		629	else
		630	{
610	MIN_IT(TermWin.height, max_height);	631	min_it (height, max_height);
611	szHint.height = szHint.base_height + TermWin.height;	632	szHint.height = szHint.base_height + height;
612	}	633	}
613	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
614	window_sb_x = szHint.width - sb_w;
615		634
616	if (recalc_x)	635	if (recalc_x)
617	szHint.x += (DisplayWidth (Xdisplay, DefaultScreen (Xdisplay))	636	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
618	- szHint.width - 2 * TermWin.ext_bwidth);	637
619	if (recalc_y)	638	if (recalc_y)
620	szHint.y += (DisplayHeight (Xdisplay, DefaultScreen (Xdisplay))	639	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
621	- szHint.height - 2 * TermWin.ext_bwidth);
622		640
623	TermWin.ncol = TermWin.width / TermWin.fwidth;	641	ncol = width / fwidth;
624	TermWin.nrow = TermWin.height / TermWin.fheight;	642	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	}	643	}
630		644
631	/*----------------------------------------------------------------------*/	645	/*----------------------------------------------------------------------*/
632	/*	646	/*
633	* Tell the teletype handler what size the window is.	647	* Tell the teletype handler what size the window is.
634	* Called after a window size change.	648	* Called after a window size change.
635	*/	649	*/
636	void	650	void
637	rxvt_term::tt_winch ()	651	rxvt_term::tt_winch ()
638	{	652	{
		653	if (pty->pty < 0)
		654	return;
		655
639	struct winsize ws;	656	struct winsize ws;
640		657
641	if (cmd_fd < 0)
642	return;
643
644	ws.ws_col = TermWin.ncol;	658	ws.ws_col = ncol;
645	ws.ws_row = TermWin.nrow;	659	ws.ws_row = nrow;
646	ws.ws_xpixel = ws.ws_ypixel = 0;	660	ws.ws_xpixel = width;
647	#ifndef DEBUG_SIZE	661	ws.ws_ypixel = height;
648	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	662	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
649	#else	663
650	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	664	#if 0
651	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	665	// TIOCSWINSZ is supposed to do this automatically and correctly
652	# ifdef SIGWINCH
653	else if (cmd_pid) /* force through to the command */	666	if (cmd_pid) /* force through to the command */
654	kill (cmd_pid, SIGWINCH);	667	kill (-cmd_pid, SIGWINCH);
655	# endif
656	#endif	668	#endif
657	}	669	}
658		670
659	/*----------------------------------------------------------------------*/	671	/*----------------------------------------------------------------------*/
660	/* rxvt_change_font() - Switch to a new font */	672	/* set_fonts () - load and set the various fonts
661	/*	673	*
662	* init = 1 - initialize	674	* init = 1 - initialize
663	*	675	*
664	* fontname == FONT_UP - switch to bigger font	676	* fontname == FONT_UP - switch to bigger font
665	* fontname == FONT_DN - switch to smaller font	677	* fontname == FONT_DN - switch to smaller font
666	*/	678	*/
667	void	679	bool
668	rxvt_term::change_font (int init, const char *fontname)	680	rxvt_term::set_fonts ()
669	{	681	{
670	}	682	rxvt_fontset *fs = new rxvt_fontset (this);
		683	rxvt_fontprop prop;
671		684
		685	if (!fs
		686	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		687	|| !fs->realize_font (1))
		688	{
		689	delete fs;
		690	return false;
		691	}
		692
		693	#if ENABLE_STYLES
		694	for (int i = RS_styleCount; --i; )
		695	if (fontset[i] != fontset[0])
		696	delete fontset[i];
		697	#endif
		698
		699	delete fontset[0];
		700	fontset[0] = fs;
		701
		702	prop = (*fs)[1]->properties ();
		703	prop.height += lineSpace;
		704
		705	fs->set_prop (prop, false);
		706
		707	fwidth = prop.width;
		708	fheight = prop.height;
		709	fbase = prop.ascent;
		710
		711	for (int style = 1; style < 4; style++)
		712	{
		713	#if ENABLE_STYLES
		714	const char *res = rs[Rs_font + style];
		715
		716	if (res && !*res)
		717	fontset[style] = fontset[0];
		718	else
		719	{
		720	fontset[style] = fs = new rxvt_fontset (this);
		721	rxvt_fontprop prop2 = prop;
		722
		723	if (res)
		724	{
		725	fs->populate (res);
		726	fs->set_prop (prop2, false);
		727	}
		728	else
		729	{
		730	fs->populate (fontset[0]->fontdesc);
		731
		732	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		733	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		734
		735	fs->set_prop (prop2, true);
		736	}
		737
		738	}
		739	#else
		740	fontset[style] = fontset[0];
		741	#endif
		742	}
		743
		744	if (parent[0])
		745	{
		746	resize_all_windows (0, 0, 0);
		747	scr_remap_chars ();
		748	scr_touch (true);
		749	}
		750
		751	return true;
		752	}
		753
672	void	754	void
673	rxvt_term::font_up_down (int n, int direction)	755	rxvt_term::set_string_property (Atom prop, const char *str, int len)
674	{	756	{
		757	XChangeProperty (dpy, parent[0],
		758	prop, XA_STRING, 8, PropModeReplace,
		759	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		760	}
		761
		762	void
		763	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		764	{
		765	wchar_t *ws = rxvt_mbstowcs (str, len);
		766	char *s = rxvt_wcstoutf8 (ws);
		767
		768	XChangeProperty (dpy, parent[0],
		769	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		770	(const unsigned char *)s, strlen (s));
		771
		772	free (s);
		773	free (ws);
675	}	774	}
676		775
677	/*----------------------------------------------------------------------*/	776	/*----------------------------------------------------------------------*/
678	/*----------------------------------------------------------------------*/	777	/*----------------------------------------------------------------------*/
679	/* xterm sequences - title, iconName, color (exptl) */	778	/* xterm sequences - title, iconName, color (exptl) */
680	void	779	void
681	rxvt_term::set_title (const char *str)	780	rxvt_term::set_title (const char *str)
682	{	781	{
683	#ifndef SMART_WINDOW_TITLE	782	set_string_property (XA_WM_NAME, str);
684	XStoreName(Xdisplay, TermWin.parent[0], str);	783	#if ENABLE_EWMH
685	#else	784	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	785	#endif
695	}	786	}
696		787
697	void	788	void
698	rxvt_term::set_iconName (const char *str)	789	rxvt_term::set_icon_name (const char *str)
699	{	790	{
700	#ifndef SMART_WINDOW_TITLE	791	set_string_property (XA_WM_ICON_NAME, str);
701	XSetIconName(Xdisplay, TermWin.parent[0], str);	792	#if ENABLE_EWMH
702	#else	793	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	794	#endif
712	}	795	}
713		796
		797	void
		798	rxvt_term::set_window_color (int idx, const char *color)
		799	{
714	#ifdef XTERM_COLOR_CHANGE	800	#ifdef XTERM_COLOR_CHANGE
715	void
716	rxvt_term::set_window_color (int idx, const char *color)
717	{
718	rxvt_color xcol;	801	rxvt_color xcol;
719	int i;
720		802
721	if (color == NULL || *color == '\0')	803	if (color == NULL || *color == '\0')
722	return;	804	return;
723		805
		806	color = strdup (color);
		807	allocated.push_back ((void *)color);
		808	rs[Rs_color + idx] = color;
		809
724	/* handle color aliases */	810	/* handle color aliases */
725	if (isdigit(*color)) {	811	if (isdigit (*color))
		812	{
726	i = atoi(color);	813	int i = atoi (color);
727	if (i >= 8 && i <= 15) { /* bright colors */	814
728	i -= 8;	815	if (i >= 8 && i <= 15)
729	# ifndef NO_BRIGHTCOLOR	816	{
		817	/* bright colors */
730	PixColors[idx] = PixColors[minBrightCOLOR + i];	818	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
731	SET_PIXCOLOR(idx);
732	goto Done;	819	goto done;
733	# endif
734	}	820	}
735	if (i >= 0 && i <= 7) { /* normal colors */	821
		822	if (i >= 0 && i <= 7)
		823	{
		824	/* normal colors */
736	PixColors[idx] = PixColors[minCOLOR + i];	825	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
737	SET_PIXCOLOR(idx);
738	goto Done;	826	goto done;
739	}	827	}
740	}	828	}
741	if (!rXParseAllocColor (& xcol, color))
742	return;
743	/* XStoreColor (Xdisplay, XCMAP, XColor*); */
744		829
745	/*	830	set_color (xcol, color);
		831
		832	/*
746	* FIXME: should free colors here, but no idea how to do it so instead,	833	* FIXME: should free colors here, but no idea how to do it so instead,
747	* so just keep gobbling up the colormap	834	* so just keep gobbling up the colormap
748	*/	835	*/
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		836
760	PixColors[idx] = xcol;	837	pix_colors_focused[idx] = xcol;
761	SET_PIXCOLOR(idx);
762		838
763	/* XSetWindowAttributes attr; */	839	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. */	840	/*TODO: handle Color_BD, scrollbar background, etc. */
771		841
772	set_colorfgbg ();	842	update_fade_color (idx);
773	recolour_cursor ();	843	recolour_cursor ();
774	/* the only reasonable way to enforce a clean update */	844	scr_recolour ();
775	scr_poweron ();	845	#endif /* XTERM_COLOR_CHANGE */
776	}	846	}
777
778	#else
779	# define set_window_color (idx,color) ((void)0)
780	#endif /* XTERM_COLOR_CHANGE */
781		847
782	void	848	void
783	rxvt_term::recolour_cursor ()	849	rxvt_term::recolour_cursor ()
784	{	850	{
785	#if TODO	851	XColor fg, bg;
786	rxvt_color xcol[2];
787		852
788	xcol[0] = PixColors[Color_pointer];	853	(ISSET_PIXCOLOR (Color_pointer_fg)
789	xcol[1] = PixColors[Color_bg];	854	? pix_colors_focused[Color_pointer_fg]
790	XQueryColors (Xdisplay, XCMAP, xcol, 2);	855	: pix_colors_focused[Color_fg]).get (fg);
		856
		857	(ISSET_PIXCOLOR (Color_pointer_bg)
		858	? pix_colors_focused[Color_pointer_bg]
		859	: pix_colors_focused[Color_bg]).get (bg);
		860
791	XRecolorCursor (Xdisplay, TermWin_cursor, &(xcol[0]), &(xcol[1]));	861	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
792	#endif
793	}	862	}
794		863
795	/*----------------------------------------------------------------------*/	864	/*----------------------------------------------------------------------*/
796	/*	865	/*
797	* find if fg/bg matches any of the normal (low-intensity) colors	866	* find if fg/bg matches any of the normal (low-intensity) colors
798	*/	867	*/
799	void	868	void
800	rxvt_term::set_colorfgbg ()	869	rxvt_term::set_colorfgbg ()
801	{	870	{
802	unsigned int i;	871	unsigned int i;
803	const char *xpmb = "\0";	872	const char *xpmb = "";
804	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	873	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
805		874
806	env_colorfgbg =	875	strcpy (fstr, "default");
807	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	876	strcpy (bstr, "default");
808	STRCPY(fstr, "default");
809	STRCPY(bstr, "default");
810	for (i = Color_Black; i <= Color_White; i++)	877	for (i = Color_Black; i <= Color_White; i++)
811	if (PixColors[Color_fg] == PixColors[i]) {	878	if (pix_colors[Color_fg] == pix_colors[i])
		879	{
812	sprintf(fstr, "%d", (i - Color_Black));	880	sprintf (fstr, "%d", (i - Color_Black));
813	break;	881	break;
814	}	882	}
		883
815	for (i = Color_Black; i <= Color_White; i++)	884	for (i = Color_Black; i <= Color_White; i++)
816	if (PixColors[Color_bg] == PixColors[i]) {	885	if (pix_colors[Color_bg] == pix_colors[i])
		886	{
817	sprintf(bstr, "%d", (i - Color_Black));	887	sprintf (bstr, "%d", (i - Color_Black));
818	#ifdef XPM_BACKGROUND	888	#ifdef BG_IMAGE_FROM_FILE
819	xpmb = "default;";	889	xpmb = "default;";
820	#endif	890	#endif
821	break;	891	break;
822	}	892	}
		893
823	sprintf(env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	894	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	}	895	}
836		896
837	/*----------------------------------------------------------------------*/	897	/*----------------------------------------------------------------------*/
838	/*
839	* Colour determination for low colour displays, routine from
840	* Hans de Goede <hans@highrise.nl>
841	*/
842		898
843	int	899	bool
844	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	900	rxvt_term::set_color (rxvt_color &color, const char *name)
845	{	901	{
846	if (!screen_in_out->set (this, colour)) {	902	if (color.set (this, name))
847	rxvt_print_error("can't allocate colour: %s", colour);
848	return false;
849	}
850
851	return true;	903	return true;
		904
		905	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		906	return false;
		907	}
		908
		909	void
		910	rxvt_term::alias_color (int dst, int src)
		911	{
		912	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
852	}	913	}
853		914
854	/* -------------------------------------------------------------------- *	915	/* -------------------------------------------------------------------- *
855	* - WINDOW RESIZING - *	916	* - WINDOW RESIZING - *
856	* -------------------------------------------------------------------- */	917	* -------------------------------------------------------------------- */
857	void	918	void
858	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	919	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
859	{	920	{
860	int fix_screen;	921	int fix_screen;
		922	int old_width = szHint.width;
		923	int old_height = szHint.height;
861		924
862	#ifdef SMART_RESIZE
863	int old_width = szHint.width, old_height = szHint.height;
864	#endif
865
866	window_calc (width, height);	925	window_calc (newwidth, newheight);
		926
		927	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
867	XSetWMNormalHints (Xdisplay, TermWin.parent[0], &szHint);	928	XSetWMNormalHints (dpy, parent[0], &szHint);
		929
868	if (!ignoreparent)	930	if (!ignoreparent)
869	{	931	{
870	#ifdef SMART_RESIZE	932	#ifdef SMART_RESIZE
871	/*	933	/*
872	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	934	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
875	int x, y, x1, y1;	937	int x, y, x1, y1;
876	int dx, dy;	938	int dx, dy;
877	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	939	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
878	Window unused_cr;	940	Window unused_cr;
879		941
880	XTranslateCoordinates (Xdisplay, TermWin.parent[0], Xroot,	942	XTranslateCoordinates (dpy, parent[0], display->root,
881	0, 0, &x, &y, &unused_cr);	943	0, 0, &x, &y, &unused_cr);
882	XGetGeometry (Xdisplay, TermWin.parent[0], &unused_cr, &x1, &y1,	944	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
883	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	945	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
884	/*	946	/*
885	* if Xroot isn't the parent window, a WM will probably have offset	947	* if display->root isn't the parent window, a WM will probably have offset
886	* our position for handles and decorations. Counter it	948	* our position for handles and decorations. Counter it
887	*/	949	*/
888	if (x1 != x || y1 != y) {	950	if (x1 != x || y1 != y)
		951	{
889	x -= x1;	952	x -= x1;
890	y -= y1;	953	y -= y1;
891	}	954	}
892		955
893	x1 = (DisplayWidth (Xdisplay, Xscreen) - old_width) / 2;	956	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
894	y1 = (DisplayHeight (Xdisplay, Xscreen) - old_height) / 2;	957	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
895	dx = old_width - szHint.width;	958	dx = old_width - szHint.width;
896	dy = old_height - szHint.height;	959	dy = old_height - szHint.height;
897		960
898	/* Check position of the center of the window */	961	/* Check position of the center of the window */
899	if (x < x1) /* left half */	962	if (x < x1) /* left half */
900	dx = 0;	963	dx = 0;
901	else if (x == x1) /* exact center */	964	else if (x == x1) /* exact center */
902	dx /= 2;	965	dx /= 2;
903	if (y < y1) /* top half */	966	if (y < y1) /* top half */
904	dy = 0;	967	dy = 0;
905	else if (y == y1) /* exact center */	968	else if (y == y1) /* exact center */
906	dy /= 2;	969	dy /= 2;
907		970
908	XMoveResizeWindow (Xdisplay, TermWin.parent[0], x + dx, y + dy,	971	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
909	szHint.width, szHint.height);	972	szHint.width, szHint.height);
910	#else	973	#else
911	XResizeWindow (Xdisplay, TermWin.parent[0], szHint.width,	974	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
912	szHint.height);
913	#endif	975	#endif
914	}	976	}
915		977
916	fix_screen = (TermWin.ncol != prev_ncol	978	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
917	|| TermWin.nrow != prev_nrow);
918		979
919	if (fix_screen || width != old_width || height != old_height)	980	if (fix_screen || newwidth != old_width || newheight != old_height)
920	{	981	{
921	if (scrollbar_visible ())	982	if (scrollBar.state)
922	{
923	XMoveResizeWindow (Xdisplay, scrollBar.win, window_sb_x,
924	0, scrollbar_TotalWidth (), szHint.height);
925	resize_scrollbar ();	983	resize_scrollbar ();
926	}
927		984
928	if (menubar_visible ())	985	XMoveResizeWindow (dpy, vt,
929	XMoveResizeWindow (Xdisplay, menuBar.win, window_vt_x,	986	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 ());	987	width, height);
935	#ifdef RXVT_GRAPHICS	988
936	if (old_height)	989	#ifdef HAVE_BG_PIXMAP
937	Gr_Resize (old_width - szHint.base_width,	990	if (bgPixmap.window_size_sensitive ())
938	old_height - szHint.base_height);	991	update_background ();
939	#endif	992	#endif
		993
940	scr_clear ();	994	scr_clear ();
941	#ifdef XPM_BACKGROUND
942	resize_pixmap ();
943	#endif
944	}	995	}
945		996
946	if (fix_screen || old_height == 0)	997	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();	998	scr_reset ();
961		999
962	if (curr_screen >= 0) /* this is not the first time through */	1000	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
963	{	1001	//scr_touch (false);
964	scr_change_screen (curr_screen);
965	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
966	}
967	}
968		1002
969	old_width = szHint.width;	1003	#ifdef HAVE_BG_PIXMAP
970	old_height = szHint.height;	1004	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		1005	// if (bgPixmap.pixmap)
		1006	// scr_touch (false);
		1007	#endif
971		1008
972	#ifdef USE_XIM	1009	#ifdef USE_XIM
973	IMSetStatusPosition ();	1010	IMSetPosition ();
974	#endif	1011	#endif
975	}	1012	}
976		1013
977	/*	1014	/*
978	* Set the width/height of the vt window in characters. Units are pixels.	1015	* Set the width/height of the vt window in characters. Units are pixels.
979	* good for toggling 80/132 columns	1016	* good for toggling 80/132 columns
980	*/	1017	*/
981	void	1018	void
982	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1019	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
983	{	1020	{
984	XWindowAttributes wattr;	1021	XWindowAttributes wattr;
985		1022
986	if (width == 0 || height == 0) {	1023	if (newwidth == 0 || newheight == 0)
		1024	{
987	XGetWindowAttributes(Xdisplay, Xroot, &wattr);	1025	XGetWindowAttributes (dpy, display->root, &wattr);
		1026
988	if (width == 0)	1027	if (newwidth == 0)
989	width = wattr.width - szHint.base_width;	1028	newwidth = wattr.width - szHint.base_width;
990	if (height == 0)	1029	if (newheight == 0)
991	height = wattr.height - szHint.base_height;	1030	newheight = wattr.height - szHint.base_height;
		1031	}
		1032
		1033	if (newwidth != width || newheight != height)
992	}	1034	{
993	if (width != TermWin.width || height != TermWin.height) {
994	width += szHint.base_width;	1035	newwidth += szHint.base_width;
995	height += szHint.base_height;	1036	newheight += szHint.base_height;
996	resize_all_windows (width, height, 0);	1037	resize_all_windows (newwidth, newheight, 0);
997	}	1038	}
998	}	1039	}
999		1040
1000	/* -------------------------------------------------------------------- *	1041	/* -------------------------------------------------------------------- *
1001	* - X INPUT METHOD ROUTINES - *	1042	* - X INPUT METHOD ROUTINES - *
1002	* -------------------------------------------------------------------- */	1043	* -------------------------------------------------------------------- */
1003	#ifdef USE_XIM	1044	#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		1045
1013	void	1046	void
1014	rxvt_term::set_color (unsigned long *fg, unsigned long *bg)	1047	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1015	{	1048	{
1016	*fg = PixColors[Color_fg];	1049	fg = pix_colors [Color_fg];
1017	*bg = PixColors[Color_bg];	1050	bg = pix_colors [Color_bg];
		1051	}
		1052
		1053	void
		1054	rxvt_term::im_set_size (XRectangle &size)
		1055	{
		1056	// the int_bwidth terms make no sense to me
		1057	size.x = int_bwidth;
		1058	size.y = int_bwidth;
		1059	size.width = Width2Pixel (ncol) + int_bwidth;
		1060	size.height = Height2Pixel (nrow) + int_bwidth;
		1061	}
		1062
		1063	void
		1064	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1065	XRectangle &status_rect,
		1066	const XRectangle &needed_rect)
		1067	{
		1068	preedit_rect.x = needed_rect.width;
		1069	preedit_rect.y = 0;
		1070	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1071	preedit_rect.height = fheight;
		1072
		1073	status_rect.x = 0;
		1074	status_rect.y = 0;
		1075	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1076	status_rect.height = fheight;
1018	}	1077	}
1019		1078
1020	/* Checking whether input method is running. */	1079	/* Checking whether input method is running. */
1021	bool	1080	bool
1022	rxvt_term::IMisRunning ()	1081	rxvt_term::IMisRunning ()
1023	{	1082	{
1024	char *p;	1083	char *p;
1025	Atom atom;	1084	Atom atom;
1026	Window win;	1085	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 ((p = XSetLocaleModifiers (NULL)) != NULL)
		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, '@')) != NULL) /* 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	void *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 ((text->length + 1) * sizeof (wchar_t));
		1180	mbstowcs ((wchar_t *)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 = (void *)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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