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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.5 by pcg, Tue Nov 25 15:44:38 2003 UTC vs.
Revision 1.315 by root, Wed Nov 5 12:29:26 2008 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.5 2003/11/25 15:44:38 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>
		41	#include <cstring>
38		42
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>
41	#endif
42
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	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>
45	#endif	51	# endif
		52	#endif
46		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
		59	static char curlocale[128], savelocale[128];
		60
		61	bool
		62	rxvt_set_locale (const char *locale) NOTHROW
		63	{
		64	int size = strlen (locale) + 1;
		65
		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);
		73	setlocale (LC_CTYPE, curlocale);
		74	return true;
		75	}
		76
47	void *	77	void
48	rxvt_term::operator new (size_t s)	78	rxvt_push_locale (const char *locale) NOTHROW
49	{	79	{
50	void *p = malloc (s);	80	strcpy (savelocale, curlocale);
		81	rxvt_set_locale (locale);
		82	}
51		83
52	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
53	return p;	149	return len;
54	}
55		150
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	151	}
		152	#endif
61		153
62	rxvt_term::rxvt_term ()	154	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	155	{
		156	#if HAVE_BG_PIXMAP
		157	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		158	#endif
64	#ifdef CURSOR_BLINK	159	#ifdef CURSOR_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	160	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
66	#endif	161	#endif
67	x_ev (this, &rxvt_term::x_cb)	162	#ifdef TEXT_BLINK
68	{	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),
		180	#endif
		181	#ifdef POINTER_BLANK
		182	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
		183	#endif
		184	#ifndef NO_BELL
		185	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		186	#endif
		187	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		188	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		189	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		190	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		191	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		192	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194
69	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;
70	}	214	}
71		215
72	rxvt_term::~rxvt_term ()	216	rxvt_term::~rxvt_term ()
73	{	217	{
74	delete PixColors;	218	termlist.erase (find (termlist.begin (), termlist.end(), this));
75	}
76		219
77	/*----------------------------------------------------------------------*/	220	emergency_cleanup ();
78	/* rxvt_init() */
79	/* LIBPROTO */
80	rxvt_t
81	rxvt_init(int argc, const char *const *argv)
82	{
83	SET_R(new rxvt_term);
84	dR;
85		221
86	if (!R->init_vars () || !R->init (argc, argv))	222	#if ENABLE_STYLES
87	{	223	for (int i = RS_styleCount; --i; )
88	delete R;	224	if (fontset[i] != fontset[0])
89	return NULL;	225	delete fontset[i];
		226	#endif
		227	delete fontset[0];
		228
		229	#ifdef HAVE_BG_PIXMAP
		230	bgPixmap.destroy ();
		231	#endif
		232	#ifdef HAVE_AFTERIMAGE
		233	if (asv)
		234	destroy_asvisual (asv, 0);
		235	if (asimman)
		236	destroy_image_manager (asimman, 0);
		237	#endif
		238
		239	if (display)
90	}	240	{
		241	selection_clear ();
91		242
		243	#ifdef USE_XIM
		244	im_destroy ();
		245	#endif
		246	scrollBar.destroy ();
		247	if (gc) XFreeGC (dpy, gc);
		248
		249	delete drawable;
		250	// destroy all windows
		251	if (parent[0])
		252	XDestroyWindow (dpy, parent[0]);
		253
		254	for (int i = 0; i < TOTAL_COLORS; i++)
		255	if (ISSET_PIXCOLOR (i))
		256	{
		257	pix_colors_focused [i].free (this);
		258	#if OFF_FOCUS_FADING
		259	pix_colors_unfocused [i].free (this);
		260	#endif
		261	}
		262
		263	clear ();
		264
		265	display->flush (); /* ideally .put should do this */
		266	displays.put (display);
		267	}
		268
		269	scr_release ();
		270
		271	/* clear all resources */
		272	for (int i = 0; i < allocated.size (); i++)
		273	free (allocated [i]);
		274
		275	free (selection.text);
		276	// TODO: manage env vars in child only(!)
		277	free (env_display);
		278	free (env_term);
		279	free (locale);
		280	free (v_buffer);
		281	free (incr_buf);
		282
		283	delete envv;
		284	delete argv;
		285
		286	#ifdef KEYSYM_RESOURCE
		287	delete keyboard;
		288	#endif
		289	#ifndef NO_RESOURCES
		290	XrmDestroyDatabase (option_db);
		291	#endif
		292	}
		293
		294	// child has exited, usually destroys
		295	void
		296	rxvt_term::child_cb (ev::child &w, int status)
		297	{
		298	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		299
		300	cmd_pid = 0;
		301
		302	if (!option (Opt_hold))
		303	destroy ();
		304	}
		305
		306	void
		307	rxvt_term::destroy ()
		308	{
		309	if (destroy_ev.is_active ())
92	return R;	310	return;
93	}
94		311
95	bool	312	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
96	rxvt_term::init (int argc, const char *const *argv)
97	{
98	dR;//TODO (scrollbar, setidle)
99		313
100	/*	314	#if ENABLE_OVERLAY
101	* Save and then give up any super-user privileges	315	scr_overlay_off ();
102	* If we need privileges in any area then we must specifically request it.
103	* We should only need to be root in these cases:
104	* 1. write utmp entries on some systems
105	* 2. chown tty on some systems
106	*/
107	rxvt_privileges (this, SAVE);
108	rxvt_privileges (this, IGNORE);
109
110	rxvt_init_secondary (this);
111
112	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
113
114	#if (MENUBAR_MAX)
115	rxvt_menubar_read (this, rs[Rs_menu]);
116	#endif	316	#endif
117	#ifdef HAVE_SCROLLBARS
118	if (Options & Opt_scrollBar)
119	scrollbar_setIdle (); /* set existence for size calculations */
120	#endif
121		317
122	rxvt_Create_Windows (this, argc, argv);	318	if (display)
123
124	rxvt_init_xlocale (this);
125
126	rxvt_scr_reset (this); /* initialize screen */
127	#ifdef RXVT_GRAPHICS
128	rxvt_Gr_reset (this); /* reset graphics */
129	#endif
130
131	#if 0
132	#ifdef DEBUG_X
133	XSynchronize(Xdisplay, True);
134	XSetErrorHandler((XErrorHandler) abort);
135	#else
136	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
137	#endif
138	#endif
139
140	#ifdef HAVE_SCROLLBARS
141	if (Options & Opt_scrollBar)
142	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
143	#endif
144	#if (MENUBAR_MAX)
145	if (menubar_visible(r))
146	XMapWindow (Xdisplay, menuBar.win);
147	#endif
148	#ifdef TRANSPARENT
149	if (Options & Opt_transparent)
150	{
151	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
152	rxvt_check_our_parents (this);
153	}	319	{
		320	#if USE_XIM
		321	im_ev.stop (display);
154	#endif	322	#endif
155	XMapWindow (Xdisplay, TermWin.vt);	323	scrollbar_ev.stop (display);
156	XMapWindow (Xdisplay, TermWin.parent[0]);	324	#if ENABLE_TRANSPARENCY || ENABLE_PERL
157		325	rootwin_ev.stop (display);
158	rxvt_init_env (this);
159	rxvt_init_command (this, cmd_argv);
160
161	x_ev.start (Xfd, EVENT_READ);
162	pty_ev.start (cmd_fd, EVENT_READ);
163
164	return true;
165	}
166
167	/* ------------------------------------------------------------------------- *
168	* SIGNAL HANDLING & EXIT HANDLER *
169	* ------------------------------------------------------------------------- */
170	/*
171	* Catch a SIGCHLD signal and exit if the direct child has died
172	*/
173	/* ARGSUSED */
174	/* EXTPROTO */
175	RETSIGTYPE
176	rxvt_Child_signal(int sig __attribute__ ((unused)))
177	{
178	dR;
179	int pid, save_errno = errno;
180
181	do {
182	errno = 0;
183	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
184
185	if (pid == R->cmd_pid)
186	exit(EXIT_SUCCESS);
187
188	errno = save_errno;
189	signal(SIGCHLD, rxvt_Child_signal);
190	}
191
192	/*
193	* Catch a fatal signal and tidy up before quitting
194	*/
195	/* EXTPROTO */
196	RETSIGTYPE
197	rxvt_Exit_signal(int sig)
198	{
199	signal(sig, SIG_DFL);
200	#ifdef DEBUG_CMD
201	rxvt_print_error("signal %d", sig);
202	#endif	326	#endif
203	rxvt_clean_exit();	327	incr_ev.stop ();
204	kill(getpid(), sig);	328	termwin_ev.stop (display);
205	}	329	vt_ev.stop (display);
206
207	/* ARGSUSED */
208	/* INTPROTO */
209	int
210	rxvt_xerror_handler(const Display * display
211	__attribute__ ((unused)), const XErrorEvent * event)
212	{
213	dR;
214
215	if (R->allowedxerror == -1) {
216	R->allowedxerror = event->error_code;
217	return 0; /* ignored anyway */
218	}	330	}
219	rxvt_print_error("XError: Request: %d . %d, Error: %d",	331
220	event->request_code, event->minor_code,	332	flush_ev.stop ();
221	event->error_code);	333	pty_ev.stop ();
222	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	334	#ifdef CURSOR_BLINK
223	exit(EXIT_FAILURE);	335	cursor_blink_ev.stop ();
224	/* NOTREACHED */	336	#endif
		337	#ifdef TEXT_BLINK
		338	text_blink_ev.stop ();
		339	#endif
		340	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		341	cont_scroll_ev.stop ();
		342	#endif
		343	#ifdef SELECTION_SCROLLING
		344	sel_scroll_ev.stop ();
		345	#endif
		346	#ifdef POINTER_BLANK
		347	pointer_ev.stop ();
		348	#endif
		349
		350	destroy_ev.start ();
		351	}
		352
		353	void
		354	rxvt_term::destroy_cb (ev::idle &w, int revents)
		355	{
		356	make_current ();
		357
		358	delete this;
225	}	359	}
226		360
227	/*----------------------------------------------------------------------*/	361	/*----------------------------------------------------------------------*/
228	/*	362	/*
229	* Exit gracefully, clearing the utmp entry and restoring tty attributes	363	* Exit gracefully, clearing the utmp entry and restoring tty attributes
230	* TODO: if debugging, this should free up any known resources if we can	364	* TODO: if debugging, this should free up any known resources if we can
231	*/	365	*/
232	/* EXTPROTO */	366	static XErrorHandler old_xerror_handler;
233	void
234	rxvt_clean_exit(void)
235	{
236	dR;
237		367
238	#ifdef DEBUG_SCREEN	368	static void
239	rxvt_scr_release(aR);	369	rxvt_emergency_cleanup ()
240	#endif
241	#ifndef NO_SETOWNER_TTYDEV
242	rxvt_privileged_ttydev(aR_ RESTORE);
243	#endif
244	#ifdef UTMP_SUPPORT
245	rxvt_privileged_utmp(aR_ RESTORE);
246	#endif
247	#ifdef USE_XIM
248	if (R->Input_Context != NULL) {
249	XDestroyIC(R->Input_Context);
250	R->Input_Context = NULL;
251	}
252	#endif
253	}
254
255	/* ------------------------------------------------------------------------- *
256	* MEMORY ALLOCATION WRAPPERS *
257	* ------------------------------------------------------------------------- */
258	/* EXTPROTO */
259	void *
260	rxvt_malloc(size_t size)
261	{	370	{
262	void *p;	371	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
263		372	(*t)->emergency_cleanup ();
264	p = malloc(size);
265	if (p)
266	return p;
267
268	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
269	rxvt_clean_exit();
270	exit(EXIT_FAILURE);
271	/* NOTREACHED */
272	}	373	}
273		374
274	/* EXTPROTO */	375	#if !ENABLE_MINIMAL
275	void *	376	static void
276	rxvt_calloc(size_t number, size_t size)	377	print_x_error (Display *dpy, XErrorEvent *event)
277	{	378	{
278	void *p;	379	char buffer[BUFSIZ];
279		380	char mesg[BUFSIZ];
280	p = calloc(number, size);	381	char number[32];
281	if (p)	382	char *mtype = "XlibMessage";
282	return p;	383	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
283		384	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
284	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	385	rxvt_warn ("An X Error occured, trying to continue after report.\n");
285	rxvt_clean_exit();	386	rxvt_warn ("%s: %s\n", mesg, buffer);
286	exit(EXIT_FAILURE);	387	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
287	/* NOTREACHED */	388	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		389	sprintf(number, "%d", event->request_code);
		390	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		391	rxvt_warn ("(which is %s)\n", buffer);
		392	if (event->request_code >= 128) {
		393	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		394	mesg, BUFSIZ);
		395	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		396	}
		397	if ((event->error_code == BadWindow) ||
		398	(event->error_code == BadPixmap) ||
		399	(event->error_code == BadCursor) ||
		400	(event->error_code == BadFont) ||
		401	(event->error_code == BadDrawable) ||
		402	(event->error_code == BadColor) ||
		403	(event->error_code == BadGC) ||
		404	(event->error_code == BadIDChoice) ||
		405	(event->error_code == BadValue) ||
		406	(event->error_code == BadAtom)) {
		407	if (event->error_code == BadValue)
		408	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		409	mesg, BUFSIZ);
		410	else if (event->error_code == BadAtom)
		411	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		412	mesg, BUFSIZ);
		413	else
		414	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		415	mesg, BUFSIZ);
		416	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		417	}
		418	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		419	mesg, BUFSIZ);
		420	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
288	}	421	}
289
290	/* EXTPROTO */
291	void *
292	rxvt_realloc(void *ptr, size_t size)
293	{
294	void *p;
295
296	if (ptr)
297	p = realloc(ptr, size);
298	else
299	p = malloc(size);
300	if (p)
301	return p;
302
303	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
304	rxvt_clean_exit();
305	exit(EXIT_FAILURE);
306	/* NOTREACHED */
307	}
308
309	/* ------------------------------------------------------------------------- *
310	* PRIVILEGED OPERATIONS *
311	* ------------------------------------------------------------------------- */
312	/* take care of suid/sgid super-user (root) privileges */
313	/* INTPROTO */
314	void
315	rxvt_privileges(pR_ int mode)
316	{
317	#if ! defined(__CYGWIN32__)
318	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
319	/* setreuid() is the poor man's setuid(), seteuid() */
320	# define seteuid(a) setreuid(-1, (a))
321	# define setegid(a) setregid(-1, (a))
322	# define HAVE_SETEUID
323	# endif	422	#endif
324	# ifdef HAVE_SETEUID	423
325	switch (mode) {	424	int
326	case IGNORE:	425	rxvt_xerror_handler (Display *display, XErrorEvent *event)
327	/*	426	{
328	* change effective uid/gid - not real uid/gid - so we can switch	427	if (GET_R->allowedxerror == -1)
329	* back to root later, as required	428	GET_R->allowedxerror = event->error_code;
330	*/	429	else
331	seteuid(getuid());
332	setegid(getgid());
333	break;
334	case SAVE:
335	R->euid = geteuid();
336	R->egid = getegid();
337	break;
338	case RESTORE:
339	seteuid(R->euid);
340	setegid(R->egid);
341	break;
342	}	430	{
		431	// GET_R is most likely not the terminal which caused the error,
		432	// so just output the error and continue
		433	#if ENABLE_MINIMAL
		434	old_xerror_handler (display, event);
343	# else	435	#else
344	switch (mode) {	436	print_x_error (display, event);
345	case IGNORE:
346	setuid(getuid());
347	setgid(getgid());
348	/* FALLTHROUGH */
349	case SAVE:
350	/* FALLTHROUGH */
351	case RESTORE:
352	break;
353	}
354	# endif	437	#endif
355	#endif	438	}
356	}
357		439
358	#ifdef UTMP_SUPPORT	440	return 0;
359	/* EXTPROTO */	441	}
360	void
361	rxvt_privileged_utmp(pR_ char action)
362	{
363	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
364	action, R->next_utmp_action, getpid()));
365	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
366	|| (R->Options & Opt_utmpInhibit)
367	|| R->ttydev == NULL || *R->ttydev == '\0')
368	return;
369		442
370	rxvt_privileges(aR_ RESTORE);	443	int
371	if (action == SAVE) {	444	rxvt_xioerror_handler (Display *display)
372	R->next_utmp_action = RESTORE;	445	{
373	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	446	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
374	} else { /* action == RESTORE */	447	DisplayString (display));
375	R->next_utmp_action = IGNORE;	448	rxvt_emergency_cleanup ();
376	rxvt_cleanutent(aR);	449	_exit (EXIT_FAILURE);
		450	}
		451
		452	static struct sig_handlers
		453	{
		454	ev::sig sw_term, sw_int;
		455
		456	/*
		457	* Catch a fatal signal and tidy up before quitting
		458	*/
		459	void sig_term (ev::sig &w, int revents);
		460
		461	sig_handlers ()
		462	{
		463	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		464	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
377	}	465	}
378	rxvt_privileges(aR_ IGNORE);	466	} sig_handlers;
379	}
380	#endif
381		467
382	#ifndef NO_SETOWNER_TTYDEV
383	/* EXTPROTO */
384	void	468	void
385	rxvt_privileged_ttydev(pR_ char action)	469	sig_handlers::sig_term (ev::sig &w, int revents)
386	{	470	{
387	D_MAIN((stderr,	471	rxvt_emergency_cleanup ();
388	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",	472	w.stop ();
389	action, R->next_tty_action, getpid()));	473	kill (getpid (), w.signum);
390	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
391	|| R->ttydev == NULL || *R->ttydev == '\0')
392	return;
393
394	rxvt_privileges(aR_ RESTORE);
395
396	if (action == SAVE) {
397	R->next_tty_action = RESTORE;
398	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
399	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
400	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
401	R->next_tty_action = IGNORE;
402	else
403	# endif
404	{
405	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
406	chmod(R->ttydev, R->ttymode);
407	# ifdef HAVE_REVOKE
408	revoke(R->ttydev);
409	# endif
410	}
411	} else { /* action == RESTORE */
412	R->next_tty_action = IGNORE;
413	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
414	chmod(R->ttydev, R->ttyfd_stat.st_mode);
415	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
416	# else
417	chmod(R->ttydev,
418	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
419	chown(R->ttydev, 0, 0);
420	# endif
421	}
422
423	rxvt_privileges(aR_ IGNORE);
424
425	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
426	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
427	action == RESTORE ? "Restoring" : (action ==
428	SAVE ? "Saving" :
429	"UNKNOWN ERROR for"), R->ttydev,
430	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
431	R->ttyfd_stat.st_gid));
432	# endif
433	}	474	}
434	#endif	475
		476	char **rxvt_environ; // startup environment
		477
		478	void
		479	rxvt_init ()
		480	{
		481	ptytty::init ();
		482
		483	if (!ev_default_loop (0))
		484	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		485
		486	rxvt_environ = environ;
		487
		488	signal (SIGHUP, SIG_IGN);
		489	signal (SIGPIPE, SIG_IGN);
		490
		491	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		492	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		493
		494	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		495	/* signal (SIGURG, SIG_DFL); */
		496
		497	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		498	// TODO: handle this with exceptions and tolerate the memory loss
		499	XSetIOErrorHandler (rxvt_xioerror_handler);
		500
		501	XrmInitialize ();
		502	}
435		503
436	/*----------------------------------------------------------------------*/	504	/*----------------------------------------------------------------------*/
437	/*	505	/*
438	* window size/position calculcations for XSizeHint and other storage.	506	* window size/position calculations for XSizeHint and other storage.
439	* if width/height are non-zero then override calculated width/height	507	* if width/height are non-zero then override calculated width/height
440	*/	508	*/
441	/* EXTPROTO */
442	void	509	void
443	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	510	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
444	{	511	{
445	short recalc_x, recalc_y;	512	short recalc_x, recalc_y;
446	int x, y, sb_w, mb_h, flags;	513	int x, y, flags;
447	unsigned int w, h;	514	unsigned int w, h;
448	unsigned int max_width, max_height;	515	unsigned int max_width, max_height;
449		516
450	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
451	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
452	R->szHint.height));
453	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	517	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
454	R->szHint.win_gravity = NorthWestGravity;	518	szHint.win_gravity = NorthWestGravity;
455	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	519	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
456		520
457	recalc_x = recalc_y = 0;	521	recalc_x = recalc_y = 0;
458	flags = 0;	522	flags = 0;
		523
459	if (!R->parsed_geometry) {	524	if (!parsed_geometry)
		525	{
460	R->parsed_geometry = 1;	526	parsed_geometry = 1;
		527
461	if (R->rs[Rs_geometry])	528	if (rs[Rs_geometry])
462	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	529	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		530
463	if (flags & WidthValue) {	531	if (flags & WidthValue)
464	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	532	{
		533	if (!w)
		534	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		535
		536	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
465	R->szHint.flags |= USSize;	537	szHint.flags |= USSize;
466	}	538	}
		539
467	if (flags & HeightValue) {	540	if (flags & HeightValue)
468	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	541	{
		542	if (!h)
		543	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		544
		545	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
469	R->szHint.flags |= USSize;	546	szHint.flags |= USSize;
470	}	547	}
		548
471	if (flags & XValue) {	549	if (flags & XValue)
		550	{
472	R->szHint.x = x;	551	szHint.x = x;
473	R->szHint.flags |= USPosition;	552	szHint.flags |= USPosition;
		553
474	if (flags & XNegative) {	554	if (flags & XNegative)
		555	{
475	recalc_x = 1;	556	recalc_x = 1;
476	R->szHint.win_gravity = NorthEastGravity;	557	szHint.win_gravity = NorthEastGravity;
477	}	558	}
478	}	559	}
		560
479	if (flags & YValue) {	561	if (flags & YValue)
		562	{
480	R->szHint.y = y;	563	szHint.y = y;
481	R->szHint.flags |= USPosition;	564	szHint.flags |= USPosition;
		565
482	if (flags & YNegative) {	566	if (flags & YNegative)
		567	{
483	recalc_y = 1;	568	recalc_y = 1;
		569
484	if (R->szHint.win_gravity == NorthEastGravity)	570	if (szHint.win_gravity == NorthEastGravity)
485	R->szHint.win_gravity = SouthEastGravity;	571	szHint.win_gravity = SouthEastGravity;
486	else	572	else
487	R->szHint.win_gravity = SouthWestGravity;	573	szHint.win_gravity = SouthWestGravity;
488	}	574	}
489	}	575	}
490	}	576	}
		577
491	/* TODO: BOUNDS */	578	/* TODO: BOUNDS */
492	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	579	width = ncol * fwidth;
493	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	580	height = nrow * fheight;
494	max_width = MAX_COLS * R->TermWin.fwidth;	581	max_width = MAX_COLS * fwidth;
495	max_height = MAX_ROWS * R->TermWin.fheight;	582	max_height = MAX_ROWS * fheight;
496		583
497	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	584	szHint.base_width = szHint.base_height = 2 * int_bwidth;
498		585
499	sb_w = mb_h = 0;
500	R->window_vt_x = R->window_vt_y = 0;	586	window_vt_x = window_vt_y = int_bwidth;
501	if (scrollbar_visible(R)) {	587
		588	if (scrollBar.state)
		589	{
502	sb_w = scrollbar_TotalWidth();	590	int sb_w = scrollBar.total_width ();
503	R->szHint.base_width += sb_w;	591	szHint.base_width += sb_w;
		592
504	if (!(R->Options & Opt_scrollBar_right))	593	if (!option (Opt_scrollBar_right))
505	R->window_vt_x = sb_w;	594	window_vt_x += sb_w;
506	}	595	}
507	if (menubar_visible(R)) {	596
508	mb_h = menuBar_TotalHeight();
509	R->szHint.base_height += mb_h;
510	R->window_vt_y = mb_h;
511	}
512	R->szHint.width_inc = R->TermWin.fwidth;	597	szHint.width_inc = fwidth;
513	R->szHint.height_inc = R->TermWin.fheight;	598	szHint.height_inc = fheight;
514	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	599	szHint.min_width = szHint.base_width + szHint.width_inc;
515	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	600	szHint.min_height = szHint.base_height + szHint.height_inc;
516		601
517	if (width && width - R->szHint.base_width < max_width) {	602	if (newwidth && newwidth - szHint.base_width < max_width)
		603	{
518	R->szHint.width = width;	604	szHint.width = newwidth;
519	R->TermWin.width = width - R->szHint.base_width;	605	width = newwidth - szHint.base_width;
520	} else {	606	}
521	MIN_IT(R->TermWin.width, max_width);	607	else
		608	{
		609	min_it (width, max_width);
522	R->szHint.width = R->szHint.base_width + R->TermWin.width;	610	szHint.width = szHint.base_width + width;
523	}	611	}
		612
524	if (height && height - R->szHint.base_height < max_height) {	613	if (newheight && newheight - szHint.base_height < max_height)
		614	{
525	R->szHint.height = height;	615	szHint.height = newheight;
526	R->TermWin.height = height - R->szHint.base_height;	616	height = newheight - szHint.base_height;
527	} else {	617	}
528	MIN_IT(R->TermWin.height, max_height);	618	else
		619	{
		620	min_it (height, max_height);
529	R->szHint.height = R->szHint.base_height + R->TermWin.height;	621	szHint.height = szHint.base_height + height;
530	}	622	}
531	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
532	R->window_sb_x = R->szHint.width - sb_w;
533		623
534	if (recalc_x)	624	if (recalc_x)
535	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	625	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
536	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	626
537	if (recalc_y)	627	if (recalc_y)
538	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	628	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
539	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
540		629
541	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	630	ncol = width / fwidth;
542	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	631	nrow = height / fheight;
543	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
544	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
545	R->szHint.height));
546	return;
547	}	632	}
548		633
549	/*----------------------------------------------------------------------*/	634	/*----------------------------------------------------------------------*/
550	/*	635	/*
551	* Tell the teletype handler what size the window is.	636	* Tell the teletype handler what size the window is.
552	* Called after a window size change.	637	* Called after a window size change.
553	*/	638	*/
554	/* EXTPROTO */
555	void	639	void
556	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	640	rxvt_term::tt_winch ()
557	{	641	{
		642	if (pty->pty < 0)
		643	return;
		644
558	struct winsize ws;	645	struct winsize ws;
559		646
560	if (fd < 0)
561	return;
562	ws.ws_col = col;	647	ws.ws_col = ncol;
563	ws.ws_row = row;	648	ws.ws_row = nrow;
564	ws.ws_xpixel = ws.ws_ypixel = 0;	649	ws.ws_xpixel = width;
565	#ifndef DEBUG_SIZE	650	ws.ws_ypixel = height;
566	(void)ioctl(fd, TIOCSWINSZ, &ws);	651	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
567	#else	652
568	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	653	#if 0
569	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	654	// TIOCSWINSZ is supposed to do this automatically and correctly
570	}
571	# ifdef SIGWINCH
572	else if (pid) /* force through to the command */	655	if (cmd_pid) /* force through to the command */
573	kill(pid, SIGWINCH);	656	kill (-cmd_pid, SIGWINCH);
574	# endif
575	#endif	657	#endif
576	}	658	}
577		659
578	/*----------------------------------------------------------------------*/	660	/*----------------------------------------------------------------------*/
579	/* rxvt_change_font() - Switch to a new font */	661	/* set_fonts () - load and set the various fonts
580	/*	662	*
581	* init = 1 - initialize	663	* init = 1 - initialize
582	*	664	*
583	* fontname == FONT_UP - switch to bigger font	665	* fontname == FONT_UP - switch to bigger font
584	* fontname == FONT_DN - switch to smaller font	666	* fontname == FONT_DN - switch to smaller font
585	*/	667	*/
586	/* EXTPROTO */	668	bool
587	void	669	rxvt_term::set_fonts ()
588	rxvt_change_font(pR_ int init, const char *fontname)
589	{	670	{
590	}	671	rxvt_fontset *fs = new rxvt_fontset (this);
		672	rxvt_fontprop prop;
591		673
592	/* INTPROTO */	674	if (!fs
		675	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		676	|| !fs->realize_font (1))
		677	{
		678	delete fs;
		679	return false;
		680	}
		681
		682	#if ENABLE_STYLES
		683	for (int i = RS_styleCount; --i; )
		684	if (fontset[i] != fontset[0])
		685	delete fontset[i];
		686	#endif
		687
		688	delete fontset[0];
		689	fontset[0] = fs;
		690
		691	prop = (*fs)[1]->properties ();
		692	prop.height += lineSpace;
		693
		694	fs->set_prop (prop, false);
		695
		696	fwidth = prop.width;
		697	fheight = prop.height;
		698	fbase = prop.ascent;
		699
		700	for (int style = 1; style < 4; style++)
		701	{
		702	#if ENABLE_STYLES
		703	const char *res = rs[Rs_font + style];
		704
		705	if (res && !*res)
		706	fontset[style] = fontset[0];
		707	else
		708	{
		709	fontset[style] = fs = new rxvt_fontset (this);
		710	rxvt_fontprop prop2 = prop;
		711
		712	if (res)
		713	{
		714	fs->populate (res);
		715	fs->set_prop (prop2, false);
		716	}
		717	else
		718	{
		719	fs->populate (fontset[0]->fontdesc);
		720
		721	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		722	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		723
		724	fs->set_prop (prop2, true);
		725	}
		726
		727	}
		728	#else
		729	fontset[style] = fontset[0];
		730	#endif
		731	}
		732
		733	if (parent[0])
		734	{
		735	resize_all_windows (0, 0, 0);
		736	scr_remap_chars ();
		737	scr_touch (true);
		738	}
		739
		740	return true;
		741	}
		742
593	void	743	void
594	rxvt_font_up_down(pR_ int n, int direction)	744	rxvt_term::set_string_property (Atom prop, const char *str, int len)
595	{	745	{
		746	XChangeProperty (dpy, parent[0],
		747	prop, XA_STRING, 8, PropModeReplace,
		748	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		749	}
		750
		751	void
		752	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		753	{
		754	wchar_t *ws = rxvt_mbstowcs (str, len);
		755	char *s = rxvt_wcstoutf8 (ws);
		756
		757	XChangeProperty (dpy, parent[0],
		758	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		759	(const unsigned char *)s, strlen (s));
		760
		761	free (s);
		762	free (ws);
596	}	763	}
597		764
598	/*----------------------------------------------------------------------*/	765	/*----------------------------------------------------------------------*/
599	/*----------------------------------------------------------------------*/	766	/*----------------------------------------------------------------------*/
600	/* xterm sequences - title, iconName, color (exptl) */	767	/* xterm sequences - title, iconName, color (exptl) */
601	/* EXTPROTO */
602	void	768	void
603	rxvt_set_title(pR_ const char *str)	769	rxvt_term::set_title (const char *str)
604	{	770	{
605	#ifndef SMART_WINDOW_TITLE	771	set_string_property (XA_WM_NAME, str);
606	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	772	#if ENABLE_EWMH
607	#else	773	set_utf8_property (xa[XA_NET_WM_NAME], str);
608	char *name;
609
610	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
611	name = NULL;
612	if (name == NULL || STRCMP(name, str))
613	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
614	if (name)
615	XFree(name);
616	#endif	774	#endif
617	}	775	}
618		776
619	/* EXTPROTO */
620	void	777	void
621	rxvt_set_iconName(pR_ const char *str)	778	rxvt_term::set_icon_name (const char *str)
622	{	779	{
623	#ifndef SMART_WINDOW_TITLE	780	set_string_property (XA_WM_ICON_NAME, str);
624	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	781	#if ENABLE_EWMH
625	#else	782	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
626	char *name;
627
628	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
629	name = NULL;
630	if (name == NULL || STRCMP(name, str))
631	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
632	if (name)
633	XFree(name);
634	#endif	783	#endif
635	}	784	}
636		785
		786	void
		787	rxvt_term::set_window_color (int idx, const char *color)
		788	{
637	#ifdef XTERM_COLOR_CHANGE	789	#ifdef XTERM_COLOR_CHANGE
638	/* EXTPROTO */
639	void
640	rxvt_set_window_color(pR_ int idx, const char *color)
641	{
642	rxvt_color xcol;	790	rxvt_color xcol;
643	int i;
644		791
645	if (color == NULL || *color == '\0')	792	if (color == NULL || *color == '\0')
646	return;	793	return;
647		794
		795	color = strdup (color);
		796	allocated.push_back ((void *)color);
		797	rs[Rs_color + idx] = color;
		798
648	/* handle color aliases */	799	/* handle color aliases */
649	if (isdigit(*color)) {	800	if (isdigit (*color))
		801	{
650	i = atoi(color);	802	int i = atoi (color);
651	if (i >= 8 && i <= 15) { /* bright colors */	803
652	i -= 8;	804	if (i >= 8 && i <= 15)
653	# ifndef NO_BRIGHTCOLOR	805	{
654	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	806	/* bright colors */
655	SET_PIXCOLOR(R, idx);	807	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
656	goto Done;	808	goto done;
657	# endif
658	}	809	}
659	if (i >= 0 && i <= 7) { /* normal colors */	810
660	R->PixColors[idx] = R->PixColors[minCOLOR + i];	811	if (i >= 0 && i <= 7)
661	SET_PIXCOLOR(R, idx);	812	{
		813	/* normal colors */
		814	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
662	goto Done;	815	goto done;
663	}	816	}
664	}	817	}
665	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
666	return;
667	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
668		818
669	/*	819	set_color (xcol, color);
		820
		821	/*
670	* FIXME: should free colors here, but no idea how to do it so instead,	822	* FIXME: should free colors here, but no idea how to do it so instead,
671	* so just keep gobbling up the colormap	823	* so just keep gobbling up the colormap
672	*/	824	*/
673	# if 0
674	for (i = Color_Black; i <= Color_White; i++)
675	if (R->PixColors[idx] == R->PixColors[i])
676	break;
677	if (i > Color_White) {
678	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
679	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
680	DisplayPlanes(R->Xdisplay, Xscreen));
681	}
682	# endif
683		825
684	R->PixColors[idx] = xcol;	826	pix_colors_focused[idx] = xcol;
685	SET_PIXCOLOR(R, idx);
686		827
687	/* XSetWindowAttributes attr; */	828	done:
688	/* Cursor cursor; */
689	Done:
690	if (idx == Color_bg && !(R->Options & Opt_transparent))
691	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
692	R->PixColors[Color_bg]);
693
694	/* handle Color_BD, scrollbar background, etc. */	829	/*TODO: handle Color_BD, scrollbar background, etc. */
695		830
696	rxvt_set_colorfgbg(aR);	831	update_fade_color (idx);
697	rxvt_recolour_cursor(aR);	832	recolour_cursor ();
698	/* the only reasonable way to enforce a clean update */	833	scr_recolour ();
699	rxvt_scr_poweron(aR);	834	#endif /* XTERM_COLOR_CHANGE */
700	}	835	}
701		836
702	#else
703	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
704	#endif /* XTERM_COLOR_CHANGE */
705
706	/* EXTPROTO */
707	void	837	void
708	rxvt_recolour_cursor(pR)	838	rxvt_term::recolour_cursor ()
709	{	839	{
710	rxvt_color xcol[2];	840	XColor fg, bg;
711		841
712	#if TODO	842	(ISSET_PIXCOLOR (Color_pointer_fg)
713	xcol[0] = R->PixColors[Color_pointer];	843	? pix_colors_focused[Color_pointer_fg]
714	xcol[1] = R->PixColors[Color_bg];	844	: pix_colors_focused[Color_fg]).get (fg);
715	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	845
716	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	846	(ISSET_PIXCOLOR (Color_pointer_bg)
717	#endif	847	? pix_colors_focused[Color_pointer_bg]
		848	: pix_colors_focused[Color_bg]).get (bg);
		849
		850	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
718	}	851	}
719		852
720	/*----------------------------------------------------------------------*/	853	/*----------------------------------------------------------------------*/
721	/*	854	/*
722	* find if fg/bg matches any of the normal (low-intensity) colors	855	* find if fg/bg matches any of the normal (low-intensity) colors
723	*/	856	*/
724	/* INTPROTO */
725	void	857	void
726	rxvt_set_colorfgbg(pR)	858	rxvt_term::set_colorfgbg ()
727	{	859	{
728	unsigned int i;	860	unsigned int i;
729	const char *xpmb = "\0";	861	const char *xpmb = "";
730	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	862	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
731		863
732	R->env_colorfgbg =	864	strcpy (fstr, "default");
733	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	865	strcpy (bstr, "default");
734	STRCPY(fstr, "default");
735	STRCPY(bstr, "default");
736	for (i = Color_Black; i <= Color_White; i++)	866	for (i = Color_Black; i <= Color_White; i++)
737	if (R->PixColors[Color_fg] == R->PixColors[i]) {	867	if (pix_colors[Color_fg] == pix_colors[i])
		868	{
738	sprintf(fstr, "%d", (i - Color_Black));	869	sprintf (fstr, "%d", (i - Color_Black));
739	break;	870	break;
740	}	871	}
		872
741	for (i = Color_Black; i <= Color_White; i++)	873	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[Color_bg] == R->PixColors[i]) {	874	if (pix_colors[Color_bg] == pix_colors[i])
		875	{
743	sprintf(bstr, "%d", (i - Color_Black));	876	sprintf (bstr, "%d", (i - Color_Black));
744	#ifdef XPM_BACKGROUND	877	#ifdef BG_IMAGE_FROM_FILE
745	xpmb = "default;";	878	xpmb = "default;";
746	#endif	879	#endif
747	break;	880	break;
748	}	881	}
		882
749	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	883	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
750	putenv(R->env_colorfgbg);
751
752	#ifndef NO_BRIGHTCOLOR
753	R->colorfgbg = DEFAULT_RSTYLE;
754	for (i = minCOLOR; i <= maxCOLOR; i++) {
755	if (R->PixColors[Color_fg] == R->PixColors[i])
756	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
757	if (R->PixColors[Color_bg] == R->PixColors[i])
758	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
759	}
760	#endif
761	}	884	}
762		885
763	/*----------------------------------------------------------------------*/	886	/*----------------------------------------------------------------------*/
764	/*
765	* Colour determination for low colour displays, routine from
766	* Hans de Goede <hans@highrise.nl>
767	*/
768		887
769	/* EXTPROTO */	888	bool
770	int	889	rxvt_term::set_color (rxvt_color &color, const char *name)
771	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
772	{	890	{
773	screen_in_out->set(aR_ colour);	891	if (color.set (this, name))
774
775	if (!screen_in_out->set(aR_ colour)) {
776	rxvt_print_error("can't allocate colour: %s", colour);
777	return false;
778	}
779
780	return true;	892	return true;
		893
		894	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		895	return false;
		896	}
		897
		898	void
		899	rxvt_term::alias_color (int dst, int src)
		900	{
		901	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
781	}	902	}
782		903
783	/* -------------------------------------------------------------------- *	904	/* -------------------------------------------------------------------- *
784	* - WINDOW RESIZING - *	905	* - WINDOW RESIZING - *
785	* -------------------------------------------------------------------- */	906	* -------------------------------------------------------------------- */
786	/* EXTPROTO */
787	void	907	void
788	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	908	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
789	int ignoreparent)
790	{	909	{
791	int fix_screen;	910	int fix_screen;
		911	int old_width = szHint.width;
		912	int old_height = szHint.height;
792		913
		914	window_calc (newwidth, newheight);
		915
		916	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		917
		918	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		919	if (set_hint)
		920	{
		921	szHint.flags &= ~(PBaseSize | PResizeInc);
		922	XSetWMNormalHints (dpy, parent[0], &szHint);
		923	szHint.flags |= PBaseSize | PResizeInc;
		924	}
		925
		926	if (!ignoreparent)
		927	{
793	#ifdef SMART_RESIZE	928	#ifdef SMART_RESIZE
794	int old_width = R->szHint.width, old_height = R->szHint.height;	929	/*
795	#endif
796
797	rxvt_window_calc(aR_ width, height);
798	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
799	if (!ignoreparent) {
800	#ifdef SMART_RESIZE
801	/*
802	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	930	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
803	* reposition window on resize depending on placement on screen	931	* reposition window on resize depending on placement on screen
804	*/	932	*/
805	int x, y, x1, y1;	933	int x, y, x1, y1;
806	int dx, dy;	934	int dx, dy;
807	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	935	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
808	Window unused_cr;	936	Window unused_cr;
809		937
810	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	938	XTranslateCoordinates (dpy, parent[0], display->root,
811	0, 0, &x, &y, &unused_cr);	939	0, 0, &x, &y, &unused_cr);
812	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	940	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
813	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	941	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
814	/*	942	/*
815	* if Xroot isn't the parent window, a WM will probably have offset	943	* if display->root isn't the parent window, a WM will probably have offset
816	* our position for handles and decorations. Counter it	944	* our position for handles and decorations. Counter it
817	*/	945	*/
818	if (x1 != x || y1 != y) {	946	if (x1 != x || y1 != y)
		947	{
819	x -= x1;	948	x -= x1;
820	y -= y1;	949	y -= y1;
821	}	950	}
822		951
823	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	952	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
824	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	953	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
825	dx = old_width - R->szHint.width;	954	dx = old_width - szHint.width;
826	dy = old_height - R->szHint.height;	955	dy = old_height - szHint.height;
827		956
828	/* Check position of the center of the window */	957	/* Check position of the center of the window */
829	if (x < x1) /* left half */	958	if (x < x1) /* left half */
830	dx = 0;	959	dx = 0;
831	else if (x == x1) /* exact center */	960	else if (x == x1) /* exact center */
832	dx /= 2;	961	dx /= 2;
833	if (y < y1) /* top half */	962	if (y < y1) /* top half */
834	dy = 0;	963	dy = 0;
835	else if (y == y1) /* exact center */	964	else if (y == y1) /* exact center */
836	dy /= 2;	965	dy /= 2;
837		966
838	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	967	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
839	R->szHint.width, R->szHint.height);	968	szHint.width, szHint.height);
840	#else	969	#else
841	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	970	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
842	R->szHint.height);
843	#endif	971	#endif
844	}	972	}
845		973
846	fix_screen = (R->TermWin.ncol != R->prev_ncol	974	if (set_hint)
847	|| R->TermWin.nrow != R->prev_nrow);	975	XSetWMNormalHints (dpy, parent[0], &szHint);
		976
		977	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		978
848	if (fix_screen || width != R->old_width || height != R->old_height) {	979	if (fix_screen || newwidth != old_width || newheight != old_height)
849	if (scrollbar_visible(R)) {
850	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
851	0, scrollbar_TotalWidth(), R->szHint.height);
852	rxvt_Resize_scrollBar(aR);
853	}
854	if (menubar_visible(R))
855	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
856	0, TermWin_TotalWidth(), menuBar_TotalHeight());
857	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
858	R->window_vt_y, TermWin_TotalWidth(),
859	TermWin_TotalHeight());
860	#ifdef RXVT_GRAPHICS
861	if (R->old_height)
862	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
863	R->old_height - R->szHint.base_height);
864	#endif
865	rxvt_scr_clear(aR);
866	#ifdef XPM_BACKGROUND
867	rxvt_resize_pixmap(aR);
868	#endif
869	}	980	{
		981	if (scrollBar.state)
		982	scrollBar.resize ();
870		983
		984	XMoveResizeWindow (dpy, vt,
		985	window_vt_x, window_vt_y,
		986	width, height);
		987
		988	#ifdef HAVE_BG_PIXMAP
		989	if (bgPixmap.window_size_sensitive ())
		990	update_background ();
		991	#endif
		992	}
		993
871	if (fix_screen || R->old_height == 0) {	994	if (fix_screen || old_height == 0)
872	int curr_screen = -1;	995	scr_reset ();
873	uint16_t old_ncol = R->prev_ncol;
874		996
875	/* scr_reset only works on the primary screen */	997	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
876	if (R->old_height) /* this is not the first time through */	998	//scr_touch (false);
877	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
878	rxvt_scr_reset(aR);
879	if (curr_screen >= 0) { /* this is not the first time through */
880	rxvt_scr_change_screen(aR_ curr_screen);
881	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
882	}
883	}
884		999
885	R->old_width = R->szHint.width;	1000	#ifdef HAVE_BG_PIXMAP
886	R->old_height = R->szHint.height;	1001	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		1002	// if (bgPixmap.pixmap)
		1003	// scr_touch (false);
		1004	#endif
887		1005
888	#ifdef USE_XIM	1006	#ifdef USE_XIM
889	rxvt_IMSetStatusPosition(aR);	1007	IMSetPosition ();
890	#endif	1008	#endif
891	}	1009	}
892		1010
893	/*	1011	/*
894	* Set the width/height of the vt window in characters. Units are pixels.	1012	* Set the width/height of the vt window in characters. Units are pixels.
895	* good for toggling 80/132 columns	1013	* good for toggling 80/132 columns
896	*/	1014	*/
897	/* EXTPROTO */
898	void	1015	void
899	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1016	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
900	{	1017	{
901	XWindowAttributes wattr;	1018	XWindowAttributes wattr;
902		1019
903	if (width == 0 || height == 0) {	1020	if (newwidth == 0 || newheight == 0)
		1021	{
904	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1022	XGetWindowAttributes (dpy, display->root, &wattr);
		1023
905	if (width == 0)	1024	if (newwidth == 0)
906	width = wattr.width - R->szHint.base_width;	1025	newwidth = wattr.width - szHint.base_width;
907	if (height == 0)	1026	if (newheight == 0)
908	height = wattr.height - R->szHint.base_height;	1027	newheight = wattr.height - szHint.base_height;
		1028	}
		1029
		1030	if (newwidth != width || newheight != height)
909	}	1031	{
910	if (width != R->TermWin.width || height != R->TermWin.height) {
911	width += R->szHint.base_width;	1032	newwidth += szHint.base_width;
912	height += R->szHint.base_height;	1033	newheight += szHint.base_height;
913	rxvt_resize_all_windows(aR_ width, height, 0);	1034	resize_all_windows (newwidth, newheight, 0);
914	}	1035	}
915	}	1036	}
916		1037
917	/* -------------------------------------------------------------------- *	1038	/* -------------------------------------------------------------------- *
918	* - X INPUT METHOD ROUTINES - *	1039	* - X INPUT METHOD ROUTINES - *
919	* -------------------------------------------------------------------- */	1040	* -------------------------------------------------------------------- */
920	#ifdef USE_XIM	1041	#ifdef USE_XIM
921	/* INTPROTO */
922	void
923	rxvt_setSize(pR_ XRectangle * size)
924	{
925	size->x = R->TermWin.int_bwidth;
926	size->y = R->TermWin.int_bwidth;
927	size->width = Width2Pixel(R->TermWin.ncol);
928	size->height = Height2Pixel(R->TermWin.nrow);
929	}
930		1042
931	/* INTPROTO */
932	void	1043	void
933	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1044	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
934	{	1045	{
935	*fg = R->PixColors[Color_fg];	1046	fg = pix_colors [Color_fg];
936	*bg = R->PixColors[Color_bg];	1047	bg = pix_colors [Color_bg];
		1048	}
		1049
		1050	void
		1051	rxvt_term::im_set_size (XRectangle &size)
		1052	{
		1053	// the int_bwidth terms make no sense to me
		1054	size.x = int_bwidth;
		1055	size.y = int_bwidth;
		1056	size.width = Width2Pixel (ncol) + int_bwidth;
		1057	size.height = Height2Pixel (nrow) + int_bwidth;
		1058	}
		1059
		1060	void
		1061	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1062	XRectangle &status_rect,
		1063	const XRectangle &needed_rect)
		1064	{
		1065	preedit_rect.x = needed_rect.width;
		1066	preedit_rect.y = 0;
		1067	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1068	preedit_rect.height = fheight;
		1069
		1070	status_rect.x = 0;
		1071	status_rect.y = 0;
		1072	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1073	status_rect.height = fheight;
937	}	1074	}
938		1075
939	/* Checking whether input method is running. */	1076	/* Checking whether input method is running. */
940	/* INTPROTO */
941	Bool	1077	bool
942	rxvt_IMisRunning(pR)	1078	rxvt_term::IMisRunning ()
943	{	1079	{
944	char *p;	1080	char *p;
945	Atom atom;	1081	Atom atom;
946	Window win;	1082	Window win;
947	char server[IMBUFSIZ];	1083	char server[IMBUFSIZ];
948		1084
949	/* get current locale modifier */	1085	/* get current locale modifier */
950	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1086	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1087	{
951	STRCPY(server, "@server=");	1088	strcpy (server, "@server=");
952	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1089	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1090
953	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1091	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
954	*p = '\0';	1092	*p = '\0';
955		1093
956	atom = XInternAtom(R->Xdisplay, server, False);	1094	atom = XInternAtom (dpy, server, False);
957	win = XGetSelectionOwner(R->Xdisplay, atom);	1095	win = XGetSelectionOwner (dpy, atom);
		1096
958	if (win != None)	1097	if (win != None)
959	return True;	1098	return True;
960	}	1099	}
		1100
961	return False;	1101	return False;
962	}	1102	}
963		1103
964	/* EXTPROTO */
965	void	1104	void
966	rxvt_IMSendSpot(pR)	1105	rxvt_term::IMSendSpot ()
967	{	1106	{
968	XPoint spot;	1107	XPoint nspot;
969	XVaNestedList preedit_attr;	1108	XVaNestedList preedit_attr;
970		1109
971	if (R->Input_Context == NULL	1110	if (!Input_Context
972	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1111	|| !focus
973	|| !(R->event_type == KeyPress	1112	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
974	|| R->event_type == Expose
975	|| R->event_type == NoExpose
976	|| R->event_type == SelectionNotify
977	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
978	|| !rxvt_IMisRunning(aR))
979	return;	1113	return;
980		1114
981	rxvt_setPosition(aR_ & spot);	1115	im_set_position (nspot);
982		1116
		1117	if (nspot.x == spot.x && nspot.y == spot.y)
		1118	return;
		1119
		1120	spot = nspot;
		1121
983	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1122	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
984	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1123	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
985	XFree(preedit_attr);	1124	XFree (preedit_attr);
986	}	1125	}
987		1126
988	/* EXTPROTO */
989	void	1127	void
990	rxvt_setTermFontSet(pR_ int idx)	1128	rxvt_term::im_destroy ()
991	{	1129	{
992	char *string;	1130	if (input_method)
993	long length;	1131	{
994	int success = 0;	1132	if (Input_Context && input_method->xim)
		1133	XDestroyIC (Input_Context);
995		1134
996	if (idx < 0 || idx >= MAX_NFONTS)	1135	display->put_xim (input_method);
997	return;	1136	input_method = 0;
998	}	1137	}
999		1138
1000	/* INTPROTO */
1001	void
1002	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1003	XRectangle * needed_rect)
1004	{
1005	int mbh, vtx = 0;
1006
1007	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1008	vtx = scrollbar_TotalWidth();
1009	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1010	mbh -= R->TermWin.lineSpace;
1011
1012	preedit_rect->x = needed_rect->width + vtx;
1013	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1014
1015	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1016	+ vtx;
1017	preedit_rect->height = Height2Pixel(1);
1018
1019	status_rect->x = vtx;
1020	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1021
1022	status_rect->width = needed_rect->width ? needed_rect->width
1023	: Width2Pixel(R->TermWin.ncol + 1);
1024	status_rect->height = Height2Pixel(1);
1025	}
1026
1027	/* ARGSUSED */
1028	/* INTPROTO */
1029	void
1030	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1031	__attribute__ ((unused)), XPointer call_data
1032	__attribute__ ((unused)))
1033	{
1034	dR;
1035
1036	R->Input_Context = NULL;	1139	Input_Context = 0;
1037	/* To avoid Segmentation Fault in C locale: Solaris only? */
1038	if (STRCMP(R->locale, "C"))
1039	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1040	rxvt_IMInstantiateCallback, NULL);
1041	}	1140	}
1042		1141
1043	/*	1142	#ifdef ENABLE_XIM_ONTHESPOT
1044	* X manual pages and include files don't match on some systems:
1045	* some think this is an XIDProc and others an XIMProc so we can't
1046	* use the first argument - need to update this to be nice for
1047	* both types via some sort of configure detection
1048	*/
1049	/* ARGSUSED */
1050	/* EXTPROTO */
1051	void
1052	rxvt_IMInstantiateCallback(Display * unused
1053	__attribute__ ((unused)), XPointer client_data
1054	__attribute__ ((unused)), XPointer call_data
1055	__attribute__ ((unused)))
1056	{
1057	dR;
1058	int i, found, had_im;
1059	const char *p;
1060	char **s;
1061	char buf[IMBUFSIZ];
1062		1143
1063	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1144	static void
1064	if (R->Input_Context)	1145	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1065	return;	1146	{
		1147	((rxvt_term *)client_data)->make_current ();
		1148	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1149	}
1066		1150
1067	found = had_im = 0;	1151	static void
1068	p = R->rs[Rs_inputMethod];	1152	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1069	if (p && *p) {	1153	{
1070	had_im = 1;	1154	((rxvt_term *)client_data)->make_current ();
1071	s = rxvt_splitcommastring(p);	1155	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1072	for (i = 0; s[i]; i++) {	1156	}
1073	if (*s[i]) {	1157
1074	STRCPY(buf, "@im=");	1158	static void
1075	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1159	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1076	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1160	{
1077	&& (rxvt_IM_get_IC(aR) == True)) {	1161	rxvt_term *term = (rxvt_term *)client_data;
1078	found = 1;	1162	XIMText *text = call_data->text;
1079	break;	1163
1080	}	1164	term->make_current ();
1081	}	1165
		1166	if (text)
		1167	{
		1168	void *str;
		1169
		1170	if (!text->encoding_is_wchar && text->string.multi_byte)
		1171	{
		1172	// of course, X makes it ugly again
		1173	if (term->rs[Rs_imLocale])
		1174	SET_LOCALE (term->rs[Rs_imLocale]);
		1175
		1176	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1177	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1178
		1179	if (term->rs[Rs_imLocale])
		1180	SET_LOCALE (term->locale);
1082	}	1181	}
1083	for (i = 0; s[i]; i++)	1182	else
1084	free(s[i]);	1183	str = (void *)text->string.wide_char;
1085	free(s);
1086	}
1087	if (found)
1088	return;
1089		1184
1090	/* try with XMODIFIERS env. var. */	1185	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1091	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1186	DT_INT, call_data->caret,
1092	rxvt_IM_get_IC(aR);	1187	DT_INT, call_data->chg_first,
1093	return;	1188	DT_INT, call_data->chg_length,
		1189	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1190	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1191	DT_END));
1094	}	1192	}
1095		1193	else
1096	/* try with no modifiers base IF the user didn't specify an IM */	1194	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1097	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1195	DT_INT, call_data->caret,
1098	&& rxvt_IM_get_IC(aR) == True)	1196	DT_INT, call_data->chg_first,
1099	return;	1197	DT_INT, call_data->chg_length,
		1198	DT_END));
1100	}	1199	}
		1200
		1201	#if 0
		1202	static void
		1203	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1204	{
		1205	((rxvt_term *)client_data)->make_current ();
		1206	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1207	DT_INT, call_data->position,
		1208	DT_INT, call_data->direction,
		1209	DT_INT, call_data->style,
		1210	DT_END));
		1211	}
		1212	#endif
		1213
		1214	#endif
1101		1215
1102	/*	1216	/*
1103	* Try to open a XIM with the current modifiers, then see if we can	1217	* Try to open a XIM with the current modifiers, then see if we can
1104	* open a suitable preedit type	1218	* open a suitable preedit type
1105	*/	1219	*/
1106	/* INTPROTO */
1107	Bool	1220	bool
1108	rxvt_IM_get_IC(pR)	1221	rxvt_term::IM_get_IC (const char *modifiers)
1109	{	1222	{
1110	int i, j, found;	1223	int i, j, found;
1111	XIM xim;	1224	XIM xim;
1112	XPoint spot;	1225	XPoint spot;
1113	XRectangle rect, status_rect, needed_rect;	1226	XRectangle rect, status_rect, needed_rect;
1114	unsigned long fg, bg;	1227	unsigned long fg, bg;
1115	const char *p;	1228	const char *p;
1116	char **s;	1229	char **s;
1117	XIMStyles *xim_styles;	1230	XIMStyles *xim_styles;
1118	XVaNestedList preedit_attr, status_attr;	1231	#ifdef ENABLE_XIM_ONTHESPOT
1119	XIMCallback ximcallback;	1232	XIMCallback xcb[4];
		1233	#endif
1120		1234
1121	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1235	set_environ (envv);
1122	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1236
1123	if (xim == NULL)	1237	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1124	return False;	1238	return false;
1125		1239
		1240	input_method = display->get_xim (locale, modifiers);
		1241	if (input_method == NULL)
		1242	return false;
		1243
		1244	xim = input_method->xim;
		1245	spot.x = spot.y = -1;
		1246
1126	xim_styles = NULL;	1247	xim_styles = NULL;
1127	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1248	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1128	|| !xim_styles || !xim_styles->count_styles) {	1249	|| !xim_styles || !xim_styles->count_styles)
1129	XCloseIM(xim);	1250	{
		1251	im_destroy ();
1130	return False;	1252	return false;
		1253	}
		1254
		1255	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1256
		1257	for (int pi = 0; pi < 2; pi++)
1131	}	1258	{
		1259	p = pet[pi];
1132		1260
1133	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1261	if (!p)
1134	: "OverTheSpot,OffTheSpot,Root";	1262	continue;
		1263
1135	s = rxvt_splitcommastring(p);	1264	s = rxvt_splitcommastring (p);
		1265
1136	for (i = found = 0; !found && s[i]; i++) {	1266	for (i = found = 0; !found && s[i]; i++)
		1267	{
1137	if (!STRCMP(s[i], "OverTheSpot"))	1268	if (!strcmp (s[i], "OverTheSpot"))
1138	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1269	input_style = XIMPreeditPosition | XIMStatusNothing;
1139	else if (!STRCMP(s[i], "OffTheSpot"))	1270	else if (!strcmp (s[i], "OffTheSpot"))
1140	R->input_style = (XIMPreeditArea | XIMStatusArea);	1271	input_style = XIMPreeditArea | XIMStatusArea;
1141	else if (!STRCMP(s[i], "Root"))	1272	else if (!strcmp (s[i], "Root"))
1142	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1273	input_style = XIMPreeditNothing | XIMStatusNothing;
		1274	else if (!strcmp (s[i], "None"))
		1275	input_style = XIMPreeditNone | XIMStatusNone;
		1276	#ifdef ENABLE_XIM_ONTHESPOT
		1277	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1278	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1279	#endif
		1280	else
		1281	input_style = XIMPreeditNothing | XIMStatusNothing;
1143		1282
1144	for (j = 0; j < xim_styles->count_styles; j++)	1283	for (j = 0; j < xim_styles->count_styles; j++)
1145	if (R->input_style == xim_styles->supported_styles[j]) {	1284	if (input_style == xim_styles->supported_styles[j])
		1285	{
		1286	rxvt_freecommastring (s);
		1287
1146	found = 1;	1288	found = 1;
		1289	goto foundpet;
		1290	}
		1291
		1292	}
		1293
		1294	rxvt_freecommastring (s);
		1295	}
		1296
		1297	foundpet:
		1298
		1299	XFree (xim_styles);
		1300
		1301	if (!found)
		1302	{
		1303	im_destroy ();
		1304	return false;
		1305	}
		1306
		1307	XFontSet fs = 0;
		1308	XVaNestedList preedit_attr = 0, status_attr = 0;
		1309
		1310	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1311	{
		1312	// fake us a font-set, please
		1313	char **missing_charset_list;
		1314	int missing_charset_count;
		1315	char *def_string;
		1316	char pat[512];
		1317
		1318	sprintf (pat,
		1319	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1320	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1321	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1322	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1323	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1324	"*",
		1325	fheight,
		1326	fheight + 1, fheight - 1,
		1327	fheight - 2, fheight + 2);
		1328
		1329	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1330	&missing_charset_list, &missing_charset_count, &def_string);
		1331
		1332	if (missing_charset_list)
		1333	XFreeStringList (missing_charset_list);
		1334
		1335	if (!fs)
		1336	{
		1337	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1338	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1339	}
		1340	}
		1341
		1342	if (input_style & XIMPreeditPosition)
		1343	{
		1344	im_set_size (rect);
		1345	im_set_position (spot);
		1346	im_set_color (fg, bg);
		1347
		1348	preedit_attr = XVaCreateNestedList (0,
		1349	XNForeground, fg,
		1350	XNBackground, bg,
		1351	XNArea, &rect,
		1352	XNSpotLocation, &spot,
		1353	XNFontSet, fs,
		1354	NULL);
		1355	}
		1356	else if (input_style & XIMPreeditArea)
		1357	{
		1358	im_set_color (fg, bg);
		1359
		1360	/*
		1361	* The necessary width of preedit area is unknown
		1362	* until create input context.
		1363	*/
		1364	needed_rect.width = 0;
		1365	im_set_preedit_area (rect, status_rect, needed_rect);
		1366
		1367	preedit_attr = XVaCreateNestedList (0,
		1368	XNForeground, fg,
		1369	XNBackground, bg,
		1370	XNArea, &rect,
		1371	XNFontSet, fs,
		1372	NULL);
		1373	status_attr = XVaCreateNestedList (0,
		1374	XNForeground, fg,
		1375	XNBackground, bg,
		1376	XNArea, &status_rect,
		1377	XNFontSet, fs,
		1378	NULL);
		1379	}
		1380	#if ENABLE_XIM_ONTHESPOT
		1381	else if (input_style & XIMPreeditCallbacks)
		1382	{
		1383	im_set_position (spot);
		1384
		1385	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1386	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1387	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1388	# if 0
		1389	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1390	# endif
		1391
		1392	preedit_attr = XVaCreateNestedList (0,
		1393	XNSpotLocation, &spot,
		1394	XNPreeditStartCallback, &xcb[0],
		1395	XNPreeditDoneCallback , &xcb[1],
		1396	XNPreeditDrawCallback , &xcb[2],
		1397	# if 0
		1398	XNPreeditCaretCallback, &xcb[3],
		1399	# endif
		1400	NULL);
		1401	}
		1402	#endif
		1403
		1404	Input_Context = XCreateIC (xim,
		1405	XNInputStyle, input_style,
		1406	XNClientWindow, vt,
		1407	XNFocusWindow, parent[0],
		1408	preedit_attr ? XNPreeditAttributes : NULL,
		1409	preedit_attr,
		1410	status_attr ? XNStatusAttributes : NULL,
		1411	status_attr, NULL);
		1412
		1413	if (preedit_attr) XFree (preedit_attr);
		1414	if (status_attr) XFree (status_attr);
		1415	if (fs) XFreeFontSet (dpy, fs);
		1416
		1417	if (Input_Context == NULL)
		1418	{
		1419	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1420	im_destroy ();
		1421	return false;
		1422	}
		1423
		1424	#if 0
		1425	// unfortunately, only the focus window is used by XIM, hard to fix
		1426	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1427	vt_select_input ();
		1428	#endif
		1429
		1430	IMSetPosition ();
		1431
		1432	return true;
		1433	}
		1434
		1435	void
		1436	rxvt_term::im_cb ()
		1437	{
		1438	int i;
		1439	const char *p;
		1440	char **s;
		1441	char buf[IMBUFSIZ];
		1442
		1443	make_current ();
		1444
		1445	im_destroy ();
		1446
		1447	if (Input_Context)
		1448	return;
		1449
		1450	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1451	if (rs[Rs_imLocale])
		1452	SET_LOCALE (rs[Rs_imLocale]);
		1453	#endif
		1454
		1455	p = rs[Rs_inputMethod];
		1456	if (p && *p)
		1457	{
		1458	bool found = false;
		1459
		1460	s = rxvt_splitcommastring (p);
		1461
		1462	for (i = 0; s[i]; i++)
		1463	{
		1464	if (*s[i])
		1465	{
		1466	strcpy (buf, "@im=");
		1467	strncat (buf, s[i], IMBUFSIZ - 5);
		1468	if (IM_get_IC (buf))
		1469	{
		1470	found = true;
1147	break;	1471	break;
		1472	}
1148	}	1473	}
1149	}	1474	}
1150	for (i = 0; s[i]; i++)
1151	free(s[i]);
1152	free(s);
1153	XFree(xim_styles);
1154		1475
		1476	rxvt_freecommastring (s);
		1477
1155	if (!found) {	1478	if (found)
1156	XCloseIM(xim);	1479	goto done;
1157	return False;
1158	}	1480	}
1159		1481
1160	ximcallback.callback = rxvt_IMDestroyCallback;	1482	/* try with XMODIFIERS env. var. */
		1483	if (IM_get_IC (""))
		1484	goto done;
1161		1485
1162	/* XXX: not sure why we need this (as well as IC one below) */	1486	/* try with no modifiers base IF the user didn't specify an IM */
1163	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1487	if (IM_get_IC ("@im=none"))
		1488	goto done;
1164		1489
1165	preedit_attr = status_attr = NULL;	1490	done:
1166		1491	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1167	if (R->input_style & XIMPreeditPosition) {	1492	if (rs[Rs_imLocale])
1168	rxvt_setSize(aR_ & rect);	1493	SET_LOCALE (locale);
1169	rxvt_setPosition(aR_ & spot);	1494	#endif
1170	rxvt_setColor(aR_ & fg, &bg);
1171
1172	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1173	XNSpotLocation, &spot,
1174	XNForeground, fg, XNBackground, bg,
1175	//XNFontSet, R->TermWin.fontset,
1176	NULL);
1177	} else if (R->input_style & XIMPreeditArea) {
1178	rxvt_setColor(aR_ & fg, &bg);
1179
1180	/*
1181	* The necessary width of preedit area is unknown
1182	* until create input context.
1183	*/
1184	needed_rect.width = 0;
1185
1186	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1187
1188	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1189	XNForeground, fg, XNBackground, bg,
1190	//XNFontSet, R->TermWin.fontset,
1191	NULL);
1192	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1193	XNForeground, fg, XNBackground, bg,
1194	//XNFontSet, R->TermWin.fontset,
1195	NULL);
1196	}
1197	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1198	XNClientWindow, R->TermWin.parent[0],
1199	XNFocusWindow, R->TermWin.parent[0],
1200	XNDestroyCallback, &ximcallback,
1201	preedit_attr ? XNPreeditAttributes : NULL,
1202	preedit_attr,
1203	status_attr ? XNStatusAttributes : NULL,
1204	status_attr, NULL);
1205	if (preedit_attr)
1206	XFree(preedit_attr);
1207	if (status_attr)
1208	XFree(status_attr);
1209	if (R->Input_Context == NULL) {
1210	rxvt_print_error("failed to create input context");
1211	XCloseIM(xim);
1212	return False;
1213	}
1214	if (R->input_style & XIMPreeditArea)
1215	rxvt_IMSetStatusPosition(aR);
1216	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1217	return True;
1218	}	1495	}
1219		1496
1220	/* EXTPROTO */
1221	void	1497	void
1222	rxvt_IMSetStatusPosition(pR)	1498	rxvt_term::IMSetPosition ()
1223	{	1499	{
1224	XRectangle preedit_rect, status_rect, *needed_rect;	1500	XRectangle preedit_rect, status_rect, *needed_rect;
1225	XVaNestedList preedit_attr, status_attr;	1501	XVaNestedList preedit_attr, status_attr;
1226		1502
1227	if (R->Input_Context == NULL	1503	if (!Input_Context
1228	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1504	|| !focus
		1505	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1229	|| !rxvt_IMisRunning(aR))	1506	|| !IMisRunning ())
1230	return;	1507	return;
1231		1508
		1509	if (input_style & XIMPreeditPosition)
		1510	{
		1511	im_set_size (preedit_rect);
		1512	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1513
		1514	XSetICValues (Input_Context,
		1515	XNPreeditAttributes, preedit_attr, NULL);
		1516	}
		1517	else
		1518	{
1232	/* Getting the necessary width of preedit area */	1519	/* Getting the necessary width of preedit area */
1233	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1520	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1234	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1521	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1235	XFree(status_attr);	1522	XFree (status_attr);
1236		1523
1237	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1524	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1525	XFree (needed_rect);
1238		1526
1239	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1527	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1240	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1528	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1241		1529
1242	XSetICValues(R->Input_Context,	1530	XSetICValues (Input_Context,
1243	XNPreeditAttributes, preedit_attr,	1531	XNPreeditAttributes, preedit_attr,
1244	XNStatusAttributes, status_attr, NULL);	1532	XNStatusAttributes, status_attr,
		1533	NULL);
1245		1534
		1535	XFree (status_attr);
		1536	}
		1537
1246	XFree(preedit_attr);	1538	XFree (preedit_attr);
1247	XFree(status_attr);
1248	}	1539	}
1249	#endif /* USE_XIM */	1540	#endif /* USE_XIM */
1250		1541
1251	/*----------------------------------------------------------------------*/	1542	void
1252	rxvt_t rxvt_current_term;	1543	rxvt_term::get_window_origin (int &x, int &y)
		1544	{
		1545	Window cr;
		1546	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1547	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1548	}
		1549
		1550	Pixmap
		1551	rxvt_term::get_pixmap_property (int prop_id)
		1552	{
		1553	if (prop_id > 0 && prop_id < NUM_XA)
		1554	if (xa[prop_id])
		1555	{
		1556	int aformat;
		1557	unsigned long nitems, bytes_after;
		1558	Atom atype;
		1559	unsigned char *prop = NULL;
		1560	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1561	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1562	&nitems, &bytes_after, &prop);
		1563	if (result == Success && prop && atype == XA_PIXMAP)
		1564	return *(Pixmap *)prop;
		1565	}
		1566
		1567	return None;
		1568	}
		1569
		1570	#ifdef HAVE_BG_PIXMAP
		1571	# if TRACE_PIXMAPS
		1572	# undef update_background
		1573	void
		1574	rxvt_term::trace_update_background (const char *file, int line)
		1575	{
		1576	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1577	update_background ();
		1578	}
		1579	# endif
		1580
		1581	void
		1582	rxvt_term::update_background ()
		1583	{
		1584	if (update_background_ev.is_active ())
		1585	return;
		1586
		1587	bgPixmap.invalidate ();
		1588
		1589	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1590
		1591	if (to_wait <= 0.)
		1592	bgPixmap.render ();
		1593	else
		1594	update_background_ev.start (to_wait);
		1595	}
		1596
		1597	void
		1598	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1599	{
		1600	make_current ();
		1601
		1602	update_background_ev.stop ();
		1603	bgPixmap.render ();
		1604	refresh_check ();
		1605	}
		1606
		1607	#endif /* HAVE_BG_PIXMAP */
1253		1608
1254	/*----------------------- end-of-file (C source) -----------------------*/	1609	/*----------------------- end-of-file (C source) -----------------------*/

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