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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.4 by pcg, Tue Nov 25 15:25:17 2003 UTC vs.
Revision 1.314 by root, Wed Nov 5 12:28:15 2008 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.4 2003/11/25 15:25:17 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),
64	x_ev (this, &rxvt_term::x_cb)
65	{	155	{
		156	#if HAVE_BG_PIXMAP
		157	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		158	#endif
		159	#ifdef CURSOR_BLINK
		160	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		161	#endif
		162	#ifdef TEXT_BLINK
		163	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		164	#endif
		165	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		166	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		167	#endif
		168	#ifdef SELECTION_SCROLLING
		169	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		170	#endif
		171	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		172	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		173	#endif
		174	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		175	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		176	#endif
		177	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		178	#ifdef USE_XIM
		179	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
		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
66	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;
67	}	214	}
68		215
69	rxvt_term::~rxvt_term ()	216	rxvt_term::~rxvt_term ()
70	{	217	{
71	delete PixColors;	218	termlist.erase (find (termlist.begin (), termlist.end(), this));
72	}
73		219
74	/*----------------------------------------------------------------------*/	220	emergency_cleanup ();
75	/* rxvt_init() */
76	/* LIBPROTO */
77	rxvt_t
78	rxvt_init(int argc, const char *const *argv)
79	{
80	SET_R(new rxvt_term);
81	dR;
82		221
83	if (!R->init_vars () || !R->init (argc, argv))	222	#if ENABLE_STYLES
84	{	223	for (int i = RS_styleCount; --i; )
85	delete R;	224	if (fontset[i] != fontset[0])
86	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)
87	}	240	{
		241	selection_clear ();
88		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 ())
89	return R;	310	return;
90	}
91		311
92	bool	312	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
93	rxvt_term::init (int argc, const char *const *argv)
94	{
95	dR;//TODO (scrollbar, setidle)
96		313
97	/*	314	#if ENABLE_OVERLAY
98	* Save and then give up any super-user privileges	315	scr_overlay_off ();
99	* If we need privileges in any area then we must specifically request it.
100	* We should only need to be root in these cases:
101	* 1. write utmp entries on some systems
102	* 2. chown tty on some systems
103	*/
104	rxvt_privileges (this, SAVE);
105	rxvt_privileges (this, IGNORE);
106
107	rxvt_init_secondary (this);
108
109	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
110
111	#if (MENUBAR_MAX)
112	rxvt_menubar_read (this, rs[Rs_menu]);
113	#endif	316	#endif
114	#ifdef HAVE_SCROLLBARS
115	if (Options & Opt_scrollBar)
116	scrollbar_setIdle (); /* set existence for size calculations */
117	#endif
118		317
119	rxvt_Create_Windows (this, argc, argv);	318	if (display)
120
121	rxvt_init_xlocale (this);
122
123	rxvt_scr_reset (this); /* initialize screen */
124	#ifdef RXVT_GRAPHICS
125	rxvt_Gr_reset (this); /* reset graphics */
126	#endif
127
128	#if 0
129	#ifdef DEBUG_X
130	XSynchronize(Xdisplay, True);
131	XSetErrorHandler((XErrorHandler) abort);
132	#else
133	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
134	#endif
135	#endif
136
137	#ifdef HAVE_SCROLLBARS
138	if (Options & Opt_scrollBar)
139	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
140	#endif
141	#if (MENUBAR_MAX)
142	if (menubar_visible(r))
143	XMapWindow (Xdisplay, menuBar.win);
144	#endif
145	#ifdef TRANSPARENT
146	if (Options & Opt_transparent)
147	{
148	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
149	rxvt_check_our_parents (this);
150	}	319	{
		320	#if USE_XIM
		321	im_ev.stop (display);
151	#endif	322	#endif
152	XMapWindow (Xdisplay, TermWin.vt);	323	scrollbar_ev.stop (display);
153	XMapWindow (Xdisplay, TermWin.parent[0]);	324	#if ENABLE_TRANSPARENCY || ENABLE_PERL
154		325	rootwin_ev.stop (display);
155	rxvt_init_env (this);
156	rxvt_init_command (this, cmd_argv);
157
158	x_ev.start (Xfd, EVENT_READ);
159	pty_ev.start (cmd_fd, EVENT_READ);
160
161	return true;
162	}
163
164	/* ------------------------------------------------------------------------- *
165	* SIGNAL HANDLING & EXIT HANDLER *
166	* ------------------------------------------------------------------------- */
167	/*
168	* Catch a SIGCHLD signal and exit if the direct child has died
169	*/
170	/* ARGSUSED */
171	/* EXTPROTO */
172	RETSIGTYPE
173	rxvt_Child_signal(int sig __attribute__ ((unused)))
174	{
175	dR;
176	int pid, save_errno = errno;
177
178	do {
179	errno = 0;
180	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
181
182	if (pid == R->cmd_pid)
183	exit(EXIT_SUCCESS);
184
185	errno = save_errno;
186	signal(SIGCHLD, rxvt_Child_signal);
187	}
188
189	/*
190	* Catch a fatal signal and tidy up before quitting
191	*/
192	/* EXTPROTO */
193	RETSIGTYPE
194	rxvt_Exit_signal(int sig)
195	{
196	signal(sig, SIG_DFL);
197	#ifdef DEBUG_CMD
198	rxvt_print_error("signal %d", sig);
199	#endif	326	#endif
200	rxvt_clean_exit();	327	incr_ev.stop ();
201	kill(getpid(), sig);	328	termwin_ev.stop (display);
202	}	329	vt_ev.stop (display);
203
204	/* ARGSUSED */
205	/* INTPROTO */
206	int
207	rxvt_xerror_handler(const Display * display
208	__attribute__ ((unused)), const XErrorEvent * event)
209	{
210	dR;
211
212	if (R->allowedxerror == -1) {
213	R->allowedxerror = event->error_code;
214	return 0; /* ignored anyway */
215	}	330	}
216	rxvt_print_error("XError: Request: %d . %d, Error: %d",	331
217	event->request_code, event->minor_code,	332	flush_ev.stop ();
218	event->error_code);	333	pty_ev.stop ();
219	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	334	#ifdef CURSOR_BLINK
220	exit(EXIT_FAILURE);	335	cursor_blink_ev.stop ();
221	/* 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;
222	}	359	}
223		360
224	/*----------------------------------------------------------------------*/	361	/*----------------------------------------------------------------------*/
225	/*	362	/*
226	* Exit gracefully, clearing the utmp entry and restoring tty attributes	363	* Exit gracefully, clearing the utmp entry and restoring tty attributes
227	* 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
228	*/	365	*/
229	/* EXTPROTO */	366	static XErrorHandler old_xerror_handler;
230	void
231	rxvt_clean_exit(void)
232	{
233	dR;
234		367
235	#ifdef DEBUG_SCREEN	368	static void
236	rxvt_scr_release(aR);	369	rxvt_emergency_cleanup ()
237	#endif
238	#ifndef NO_SETOWNER_TTYDEV
239	rxvt_privileged_ttydev(aR_ RESTORE);
240	#endif
241	#ifdef UTMP_SUPPORT
242	rxvt_privileged_utmp(aR_ RESTORE);
243	#endif
244	#ifdef USE_XIM
245	if (R->Input_Context != NULL) {
246	XDestroyIC(R->Input_Context);
247	R->Input_Context = NULL;
248	}
249	#endif
250	}
251
252	/* ------------------------------------------------------------------------- *
253	* MEMORY ALLOCATION WRAPPERS *
254	* ------------------------------------------------------------------------- */
255	/* EXTPROTO */
256	void *
257	rxvt_malloc(size_t size)
258	{	370	{
259	void *p;	371	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
260		372	(*t)->emergency_cleanup ();
261	p = malloc(size);
262	if (p)
263	return p;
264
265	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
266	rxvt_clean_exit();
267	exit(EXIT_FAILURE);
268	/* NOTREACHED */
269	}	373	}
270		374
271	/* EXTPROTO */	375	#if !ENABLE_MINIMAL
272	void *	376	static void
273	rxvt_calloc(size_t number, size_t size)	377	print_x_error (Display *dpy, XErrorEvent *event)
274	{	378	{
275	void *p;	379	char buffer[BUFSIZ];
276		380	char mesg[BUFSIZ];
277	p = calloc(number, size);	381	char number[32];
278	if (p)	382	char *mtype = "XlibMessage";
279	return p;	383	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
280		384	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
281	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	385	rxvt_warn ("An X Error occured, trying to continue after report.\n");
282	rxvt_clean_exit();	386	rxvt_warn ("%s: %s\n", mesg, buffer);
283	exit(EXIT_FAILURE);	387	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
284	/* 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);
285	}	421	}
286
287	/* EXTPROTO */
288	void *
289	rxvt_realloc(void *ptr, size_t size)
290	{
291	void *p;
292
293	if (ptr)
294	p = realloc(ptr, size);
295	else
296	p = malloc(size);
297	if (p)
298	return p;
299
300	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
301	rxvt_clean_exit();
302	exit(EXIT_FAILURE);
303	/* NOTREACHED */
304	}
305
306	/* ------------------------------------------------------------------------- *
307	* PRIVILEGED OPERATIONS *
308	* ------------------------------------------------------------------------- */
309	/* take care of suid/sgid super-user (root) privileges */
310	/* INTPROTO */
311	void
312	rxvt_privileges(pR_ int mode)
313	{
314	#if ! defined(__CYGWIN32__)
315	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
316	/* setreuid() is the poor man's setuid(), seteuid() */
317	# define seteuid(a) setreuid(-1, (a))
318	# define setegid(a) setregid(-1, (a))
319	# define HAVE_SETEUID
320	# endif	422	#endif
321	# ifdef HAVE_SETEUID	423
322	switch (mode) {	424	int
323	case IGNORE:	425	rxvt_xerror_handler (Display *display, XErrorEvent *event)
324	/*	426	{
325	* change effective uid/gid - not real uid/gid - so we can switch	427	if (GET_R->allowedxerror == -1)
326	* back to root later, as required	428	GET_R->allowedxerror = event->error_code;
327	*/	429	else
328	seteuid(getuid());
329	setegid(getgid());
330	break;
331	case SAVE:
332	R->euid = geteuid();
333	R->egid = getegid();
334	break;
335	case RESTORE:
336	seteuid(R->euid);
337	setegid(R->egid);
338	break;
339	}	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);
340	# else	435	#else
341	switch (mode) {	436	print_x_error (display, event);
342	case IGNORE:
343	setuid(getuid());
344	setgid(getgid());
345	/* FALLTHROUGH */
346	case SAVE:
347	/* FALLTHROUGH */
348	case RESTORE:
349	break;
350	}
351	# endif	437	#endif
352	#endif	438	}
353	}
354		439
355	#ifdef UTMP_SUPPORT	440	return 0;
356	/* EXTPROTO */	441	}
357	void
358	rxvt_privileged_utmp(pR_ char action)
359	{
360	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
361	action, R->next_utmp_action, getpid()));
362	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
363	|| (R->Options & Opt_utmpInhibit)
364	|| R->ttydev == NULL || *R->ttydev == '\0')
365	return;
366		442
367	rxvt_privileges(aR_ RESTORE);	443	int
368	if (action == SAVE) {	444	rxvt_xioerror_handler (Display *display)
369	R->next_utmp_action = RESTORE;	445	{
370	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	446	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
371	} else { /* action == RESTORE */	447	DisplayString (display));
372	R->next_utmp_action = IGNORE;	448	rxvt_emergency_cleanup ();
373	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);
374	}	465	}
375	rxvt_privileges(aR_ IGNORE);	466	} sig_handlers;
376	}
377	#endif
378		467
379	#ifndef NO_SETOWNER_TTYDEV
380	/* EXTPROTO */
381	void	468	void
382	rxvt_privileged_ttydev(pR_ char action)	469	sig_handlers::sig_term (ev::sig &w, int revents)
383	{	470	{
384	D_MAIN((stderr,	471	rxvt_emergency_cleanup ();
385	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",	472	w.stop ();
386	action, R->next_tty_action, getpid()));	473	kill (getpid (), w.signum);
387	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
388	|| R->ttydev == NULL || *R->ttydev == '\0')
389	return;
390
391	rxvt_privileges(aR_ RESTORE);
392
393	if (action == SAVE) {
394	R->next_tty_action = RESTORE;
395	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
396	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
397	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
398	R->next_tty_action = IGNORE;
399	else
400	# endif
401	{
402	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
403	chmod(R->ttydev, R->ttymode);
404	# ifdef HAVE_REVOKE
405	revoke(R->ttydev);
406	# endif
407	}
408	} else { /* action == RESTORE */
409	R->next_tty_action = IGNORE;
410	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
411	chmod(R->ttydev, R->ttyfd_stat.st_mode);
412	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
413	# else
414	chmod(R->ttydev,
415	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
416	chown(R->ttydev, 0, 0);
417	# endif
418	}
419
420	rxvt_privileges(aR_ IGNORE);
421
422	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
423	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
424	action == RESTORE ? "Restoring" : (action ==
425	SAVE ? "Saving" :
426	"UNKNOWN ERROR for"), R->ttydev,
427	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
428	R->ttyfd_stat.st_gid));
429	# endif
430	}	474	}
431	#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	}
432		503
433	/*----------------------------------------------------------------------*/	504	/*----------------------------------------------------------------------*/
434	/*	505	/*
435	* window size/position calculcations for XSizeHint and other storage.	506	* window size/position calculations for XSizeHint and other storage.
436	* if width/height are non-zero then override calculated width/height	507	* if width/height are non-zero then override calculated width/height
437	*/	508	*/
438	/* EXTPROTO */
439	void	509	void
440	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	510	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
441	{	511	{
442	short recalc_x, recalc_y;	512	short recalc_x, recalc_y;
443	int x, y, sb_w, mb_h, flags;	513	int x, y, flags;
444	unsigned int w, h;	514	unsigned int w, h;
445	unsigned int max_width, max_height;	515	unsigned int max_width, max_height;
446		516
447	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
448	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
449	R->szHint.height));
450	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	517	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
451	R->szHint.win_gravity = NorthWestGravity;	518	szHint.win_gravity = NorthWestGravity;
452	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	519	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
453		520
454	recalc_x = recalc_y = 0;	521	recalc_x = recalc_y = 0;
455	flags = 0;	522	flags = 0;
		523
456	if (!R->parsed_geometry) {	524	if (!parsed_geometry)
		525	{
457	R->parsed_geometry = 1;	526	parsed_geometry = 1;
		527
458	if (R->rs[Rs_geometry])	528	if (rs[Rs_geometry])
459	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	529	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		530
460	if (flags & WidthValue) {	531	if (flags & WidthValue)
461	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 ());
462	R->szHint.flags |= USSize;	537	szHint.flags |= USSize;
463	}	538	}
		539
464	if (flags & HeightValue) {	540	if (flags & HeightValue)
465	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 ());
466	R->szHint.flags |= USSize;	546	szHint.flags |= USSize;
467	}	547	}
		548
468	if (flags & XValue) {	549	if (flags & XValue)
		550	{
469	R->szHint.x = x;	551	szHint.x = x;
470	R->szHint.flags |= USPosition;	552	szHint.flags |= USPosition;
		553
471	if (flags & XNegative) {	554	if (flags & XNegative)
		555	{
472	recalc_x = 1;	556	recalc_x = 1;
473	R->szHint.win_gravity = NorthEastGravity;	557	szHint.win_gravity = NorthEastGravity;
474	}	558	}
475	}	559	}
		560
476	if (flags & YValue) {	561	if (flags & YValue)
		562	{
477	R->szHint.y = y;	563	szHint.y = y;
478	R->szHint.flags |= USPosition;	564	szHint.flags |= USPosition;
		565
479	if (flags & YNegative) {	566	if (flags & YNegative)
		567	{
480	recalc_y = 1;	568	recalc_y = 1;
		569
481	if (R->szHint.win_gravity == NorthEastGravity)	570	if (szHint.win_gravity == NorthEastGravity)
482	R->szHint.win_gravity = SouthEastGravity;	571	szHint.win_gravity = SouthEastGravity;
483	else	572	else
484	R->szHint.win_gravity = SouthWestGravity;	573	szHint.win_gravity = SouthWestGravity;
485	}	574	}
486	}	575	}
487	}	576	}
		577
488	/* TODO: BOUNDS */	578	/* TODO: BOUNDS */
489	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	579	width = ncol * fwidth;
490	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	580	height = nrow * fheight;
491	max_width = MAX_COLS * R->TermWin.fwidth;	581	max_width = MAX_COLS * fwidth;
492	max_height = MAX_ROWS * R->TermWin.fheight;	582	max_height = MAX_ROWS * fheight;
493		583
494	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	584	szHint.base_width = szHint.base_height = 2 * int_bwidth;
495		585
496	sb_w = mb_h = 0;
497	R->window_vt_x = R->window_vt_y = 0;	586	window_vt_x = window_vt_y = int_bwidth;
498	if (scrollbar_visible(R)) {	587
		588	if (scrollBar.state)
		589	{
499	sb_w = scrollbar_TotalWidth();	590	int sb_w = scrollBar.total_width ();
500	R->szHint.base_width += sb_w;	591	szHint.base_width += sb_w;
		592
501	if (!(R->Options & Opt_scrollBar_right))	593	if (!option (Opt_scrollBar_right))
502	R->window_vt_x = sb_w;	594	window_vt_x += sb_w;
503	}	595	}
504	if (menubar_visible(R)) {	596
505	mb_h = menuBar_TotalHeight();
506	R->szHint.base_height += mb_h;
507	R->window_vt_y = mb_h;
508	}
509	R->szHint.width_inc = R->TermWin.fwidth;	597	szHint.width_inc = fwidth;
510	R->szHint.height_inc = R->TermWin.fheight;	598	szHint.height_inc = fheight;
511	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	599	szHint.min_width = szHint.base_width + szHint.width_inc;
512	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	600	szHint.min_height = szHint.base_height + szHint.height_inc;
513		601
514	if (width && width - R->szHint.base_width < max_width) {	602	if (newwidth && newwidth - szHint.base_width < max_width)
		603	{
515	R->szHint.width = width;	604	szHint.width = newwidth;
516	R->TermWin.width = width - R->szHint.base_width;	605	width = newwidth - szHint.base_width;
517	} else {	606	}
518	MIN_IT(R->TermWin.width, max_width);	607	else
		608	{
		609	min_it (width, max_width);
519	R->szHint.width = R->szHint.base_width + R->TermWin.width;	610	szHint.width = szHint.base_width + width;
520	}	611	}
		612
521	if (height && height - R->szHint.base_height < max_height) {	613	if (newheight && newheight - szHint.base_height < max_height)
		614	{
522	R->szHint.height = height;	615	szHint.height = newheight;
523	R->TermWin.height = height - R->szHint.base_height;	616	height = newheight - szHint.base_height;
524	} else {	617	}
525	MIN_IT(R->TermWin.height, max_height);	618	else
		619	{
		620	min_it (height, max_height);
526	R->szHint.height = R->szHint.base_height + R->TermWin.height;	621	szHint.height = szHint.base_height + height;
527	}	622	}
528	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
529	R->window_sb_x = R->szHint.width - sb_w;
530		623
531	if (recalc_x)	624	if (recalc_x)
532	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	625	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
533	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	626
534	if (recalc_y)	627	if (recalc_y)
535	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	628	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
536	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
537		629
538	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	630	ncol = width / fwidth;
539	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	631	nrow = height / fheight;
540	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
541	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
542	R->szHint.height));
543	return;
544	}	632	}
545		633
546	/*----------------------------------------------------------------------*/	634	/*----------------------------------------------------------------------*/
547	/*	635	/*
548	* Tell the teletype handler what size the window is.	636	* Tell the teletype handler what size the window is.
549	* Called after a window size change.	637	* Called after a window size change.
550	*/	638	*/
551	/* EXTPROTO */
552	void	639	void
553	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	640	rxvt_term::tt_winch ()
554	{	641	{
		642	if (pty->pty < 0)
		643	return;
		644
555	struct winsize ws;	645	struct winsize ws;
556		646
557	if (fd < 0)
558	return;
559	ws.ws_col = col;	647	ws.ws_col = ncol;
560	ws.ws_row = row;	648	ws.ws_row = nrow;
561	ws.ws_xpixel = ws.ws_ypixel = 0;	649	ws.ws_xpixel = width;
562	#ifndef DEBUG_SIZE	650	ws.ws_ypixel = height;
563	(void)ioctl(fd, TIOCSWINSZ, &ws);	651	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
564	#else	652
565	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	653	#if 0
566	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	654	// TIOCSWINSZ is supposed to do this automatically and correctly
567	}
568	# ifdef SIGWINCH
569	else if (pid) /* force through to the command */	655	if (cmd_pid) /* force through to the command */
570	kill(pid, SIGWINCH);	656	kill (-cmd_pid, SIGWINCH);
571	# endif
572	#endif	657	#endif
573	}	658	}
574		659
575	/*----------------------------------------------------------------------*/	660	/*----------------------------------------------------------------------*/
576	/* rxvt_change_font() - Switch to a new font */	661	/* set_fonts () - load and set the various fonts
577	/*	662	*
578	* init = 1 - initialize	663	* init = 1 - initialize
579	*	664	*
580	* fontname == FONT_UP - switch to bigger font	665	* fontname == FONT_UP - switch to bigger font
581	* fontname == FONT_DN - switch to smaller font	666	* fontname == FONT_DN - switch to smaller font
582	*/	667	*/
583	/* EXTPROTO */	668	bool
584	void	669	rxvt_term::set_fonts ()
585	rxvt_change_font(pR_ int init, const char *fontname)
586	{	670	{
587	}	671	rxvt_fontset *fs = new rxvt_fontset (this);
		672	rxvt_fontprop prop;
588		673
589	/* 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
590	void	743	void
591	rxvt_font_up_down(pR_ int n, int direction)	744	rxvt_term::set_string_property (Atom prop, const char *str, int len)
592	{	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);
593	}	763	}
594		764
595	/*----------------------------------------------------------------------*/	765	/*----------------------------------------------------------------------*/
596	/*----------------------------------------------------------------------*/	766	/*----------------------------------------------------------------------*/
597	/* xterm sequences - title, iconName, color (exptl) */	767	/* xterm sequences - title, iconName, color (exptl) */
598	/* EXTPROTO */
599	void	768	void
600	rxvt_set_title(pR_ const char *str)	769	rxvt_term::set_title (const char *str)
601	{	770	{
602	#ifndef SMART_WINDOW_TITLE	771	set_string_property (XA_WM_NAME, str);
603	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	772	#if ENABLE_EWMH
604	#else	773	set_utf8_property (xa[XA_NET_WM_NAME], str);
605	char *name;
606
607	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
608	name = NULL;
609	if (name == NULL || STRCMP(name, str))
610	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
611	if (name)
612	XFree(name);
613	#endif	774	#endif
614	}	775	}
615		776
616	/* EXTPROTO */
617	void	777	void
618	rxvt_set_iconName(pR_ const char *str)	778	rxvt_term::set_icon_name (const char *str)
619	{	779	{
620	#ifndef SMART_WINDOW_TITLE	780	set_string_property (XA_WM_ICON_NAME, str);
621	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	781	#if ENABLE_EWMH
622	#else	782	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
623	char *name;
624
625	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
626	name = NULL;
627	if (name == NULL || STRCMP(name, str))
628	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
629	if (name)
630	XFree(name);
631	#endif	783	#endif
632	}	784	}
633		785
		786	void
		787	rxvt_term::set_window_color (int idx, const char *color)
		788	{
634	#ifdef XTERM_COLOR_CHANGE	789	#ifdef XTERM_COLOR_CHANGE
635	/* EXTPROTO */
636	void
637	rxvt_set_window_color(pR_ int idx, const char *color)
638	{
639	rxvt_color xcol;	790	rxvt_color xcol;
640	int i;
641		791
642	if (color == NULL || *color == '\0')	792	if (color == NULL || *color == '\0')
643	return;	793	return;
644		794
		795	color = strdup (color);
		796	allocated.push_back ((void *)color);
		797	rs[Rs_color + idx] = color;
		798
645	/* handle color aliases */	799	/* handle color aliases */
646	if (isdigit(*color)) {	800	if (isdigit (*color))
		801	{
647	i = atoi(color);	802	int i = atoi (color);
648	if (i >= 8 && i <= 15) { /* bright colors */	803
649	i -= 8;	804	if (i >= 8 && i <= 15)
650	# ifndef NO_BRIGHTCOLOR	805	{
651	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	806	/* bright colors */
652	SET_PIXCOLOR(R, idx);	807	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
653	goto Done;	808	goto done;
654	# endif
655	}	809	}
656	if (i >= 0 && i <= 7) { /* normal colors */	810
657	R->PixColors[idx] = R->PixColors[minCOLOR + i];	811	if (i >= 0 && i <= 7)
658	SET_PIXCOLOR(R, idx);	812	{
		813	/* normal colors */
		814	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
659	goto Done;	815	goto done;
660	}	816	}
661	}	817	}
662	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
663	return;
664	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
665		818
666	/*	819	set_color (xcol, color);
		820
		821	/*
667	* 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,
668	* so just keep gobbling up the colormap	823	* so just keep gobbling up the colormap
669	*/	824	*/
670	# if 0
671	for (i = Color_Black; i <= Color_White; i++)
672	if (R->PixColors[idx] == R->PixColors[i])
673	break;
674	if (i > Color_White) {
675	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
676	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
677	DisplayPlanes(R->Xdisplay, Xscreen));
678	}
679	# endif
680		825
681	R->PixColors[idx] = xcol;	826	pix_colors_focused[idx] = xcol;
682	SET_PIXCOLOR(R, idx);
683		827
684	/* XSetWindowAttributes attr; */	828	done:
685	/* Cursor cursor; */
686	Done:
687	if (idx == Color_bg && !(R->Options & Opt_transparent))
688	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
689	R->PixColors[Color_bg]);
690
691	/* handle Color_BD, scrollbar background, etc. */	829	/*TODO: handle Color_BD, scrollbar background, etc. */
692		830
693	rxvt_set_colorfgbg(aR);	831	update_fade_color (idx);
694	rxvt_recolour_cursor(aR);	832	recolour_cursor ();
695	/* the only reasonable way to enforce a clean update */	833	scr_recolour ();
696	rxvt_scr_poweron(aR);	834	#endif /* XTERM_COLOR_CHANGE */
697	}	835	}
698		836
699	#else
700	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
701	#endif /* XTERM_COLOR_CHANGE */
702
703	/* EXTPROTO */
704	void	837	void
705	rxvt_recolour_cursor(pR)	838	rxvt_term::recolour_cursor ()
706	{	839	{
707	rxvt_color xcol[2];	840	XColor fg, bg;
708		841
709	#if TODO	842	(ISSET_PIXCOLOR (Color_pointer_fg)
710	xcol[0] = R->PixColors[Color_pointer];	843	? pix_colors_focused[Color_pointer_fg]
711	xcol[1] = R->PixColors[Color_bg];	844	: pix_colors_focused[Color_fg]).get (fg);
712	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	845
713	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	846	(ISSET_PIXCOLOR (Color_pointer_bg)
714	#endif	847	? pix_colors_focused[Color_pointer_bg]
		848	: pix_colors_focused[Color_bg]).get (bg);
		849
		850	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
715	}	851	}
716		852
717	/*----------------------------------------------------------------------*/	853	/*----------------------------------------------------------------------*/
718	/*	854	/*
719	* 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
720	*/	856	*/
721	/* INTPROTO */
722	void	857	void
723	rxvt_set_colorfgbg(pR)	858	rxvt_term::set_colorfgbg ()
724	{	859	{
725	unsigned int i;	860	unsigned int i;
726	const char *xpmb = "\0";	861	const char *xpmb = "";
727	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	862	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
728		863
729	R->env_colorfgbg =	864	strcpy (fstr, "default");
730	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	865	strcpy (bstr, "default");
731	STRCPY(fstr, "default");
732	STRCPY(bstr, "default");
733	for (i = Color_Black; i <= Color_White; i++)	866	for (i = Color_Black; i <= Color_White; i++)
734	if (R->PixColors[Color_fg] == R->PixColors[i]) {	867	if (pix_colors[Color_fg] == pix_colors[i])
		868	{
735	sprintf(fstr, "%d", (i - Color_Black));	869	sprintf (fstr, "%d", (i - Color_Black));
736	break;	870	break;
737	}	871	}
		872
738	for (i = Color_Black; i <= Color_White; i++)	873	for (i = Color_Black; i <= Color_White; i++)
739	if (R->PixColors[Color_bg] == R->PixColors[i]) {	874	if (pix_colors[Color_bg] == pix_colors[i])
		875	{
740	sprintf(bstr, "%d", (i - Color_Black));	876	sprintf (bstr, "%d", (i - Color_Black));
741	#ifdef XPM_BACKGROUND	877	#ifdef BG_IMAGE_FROM_FILE
742	xpmb = "default;";	878	xpmb = "default;";
743	#endif	879	#endif
744	break;	880	break;
745	}	881	}
		882
746	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	883	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
747	putenv(R->env_colorfgbg);
748
749	#ifndef NO_BRIGHTCOLOR
750	R->colorfgbg = DEFAULT_RSTYLE;
751	for (i = minCOLOR; i <= maxCOLOR; i++) {
752	if (R->PixColors[Color_fg] == R->PixColors[i])
753	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
754	if (R->PixColors[Color_bg] == R->PixColors[i])
755	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
756	}
757	#endif
758	}	884	}
759		885
760	/*----------------------------------------------------------------------*/	886	/*----------------------------------------------------------------------*/
761	/*
762	* Colour determination for low colour displays, routine from
763	* Hans de Goede <hans@highrise.nl>
764	*/
765		887
766	/* EXTPROTO */	888	bool
767	int	889	rxvt_term::set_color (rxvt_color &color, const char *name)
768	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
769	{	890	{
770	screen_in_out->set(aR_ colour);	891	if (color.set (this, name))
771
772	if (!screen_in_out->set(aR_ colour)) {
773	rxvt_print_error("can't allocate colour: %s", colour);
774	return false;
775	}
776
777	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]);
778	}	902	}
779		903
780	/* -------------------------------------------------------------------- *	904	/* -------------------------------------------------------------------- *
781	* - WINDOW RESIZING - *	905	* - WINDOW RESIZING - *
782	* -------------------------------------------------------------------- */	906	* -------------------------------------------------------------------- */
783	/* EXTPROTO */
784	void	907	void
785	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)
786	int ignoreparent)
787	{	909	{
788	int fix_screen;	910	int fix_screen;
		911	int old_width = szHint.width;
		912	int old_height = szHint.height;
789		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	{
790	#ifdef SMART_RESIZE	928	#ifdef SMART_RESIZE
791	int old_width = R->szHint.width, old_height = R->szHint.height;	929	/*
792	#endif
793
794	rxvt_window_calc(aR_ width, height);
795	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
796	if (!ignoreparent) {
797	#ifdef SMART_RESIZE
798	/*
799	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	930	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
800	* reposition window on resize depending on placement on screen	931	* reposition window on resize depending on placement on screen
801	*/	932	*/
802	int x, y, x1, y1;	933	int x, y, x1, y1;
803	int dx, dy;	934	int dx, dy;
804	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	935	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
805	Window unused_cr;	936	Window unused_cr;
806		937
807	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	938	XTranslateCoordinates (dpy, parent[0], display->root,
808	0, 0, &x, &y, &unused_cr);	939	0, 0, &x, &y, &unused_cr);
809	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	940	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
810	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	941	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
811	/*	942	/*
812	* 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
813	* our position for handles and decorations. Counter it	944	* our position for handles and decorations. Counter it
814	*/	945	*/
815	if (x1 != x || y1 != y) {	946	if (x1 != x || y1 != y)
		947	{
816	x -= x1;	948	x -= x1;
817	y -= y1;	949	y -= y1;
818	}	950	}
819		951
820	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	952	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
821	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	953	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
822	dx = old_width - R->szHint.width;	954	dx = old_width - szHint.width;
823	dy = old_height - R->szHint.height;	955	dy = old_height - szHint.height;
824		956
825	/* Check position of the center of the window */	957	/* Check position of the center of the window */
826	if (x < x1) /* left half */	958	if (x < x1) /* left half */
827	dx = 0;	959	dx = 0;
828	else if (x == x1) /* exact center */	960	else if (x == x1) /* exact center */
829	dx /= 2;	961	dx /= 2;
830	if (y < y1) /* top half */	962	if (y < y1) /* top half */
831	dy = 0;	963	dy = 0;
832	else if (y == y1) /* exact center */	964	else if (y == y1) /* exact center */
833	dy /= 2;	965	dy /= 2;
834		966
835	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	967	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
836	R->szHint.width, R->szHint.height);	968	szHint.width, szHint.height);
837	#else	969	#else
838	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	970	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
839	R->szHint.height);
840	#endif	971	#endif
841	}	972	}
842		973
843	fix_screen = (R->TermWin.ncol != R->prev_ncol	974	if (set_hint)
844	|| R->TermWin.nrow != R->prev_nrow);	975	XSetWMNormalHints (dpy, parent[0], &szHint);
		976
		977	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		978
845	if (fix_screen || width != R->old_width || height != R->old_height) {	979	if (fix_screen || newwidth != old_width || newheight != old_height)
846	if (scrollbar_visible(R)) {
847	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
848	0, scrollbar_TotalWidth(), R->szHint.height);
849	rxvt_Resize_scrollBar(aR);
850	}
851	if (menubar_visible(R))
852	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
853	0, TermWin_TotalWidth(), menuBar_TotalHeight());
854	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
855	R->window_vt_y, TermWin_TotalWidth(),
856	TermWin_TotalHeight());
857	#ifdef RXVT_GRAPHICS
858	if (R->old_height)
859	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
860	R->old_height - R->szHint.base_height);
861	#endif
862	rxvt_scr_clear(aR);
863	#ifdef XPM_BACKGROUND
864	rxvt_resize_pixmap(aR);
865	#endif
866	}	980	{
		981	if (scrollBar.state)
		982	scrollBar.resize ();
867		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
868	if (fix_screen || R->old_height == 0) {	994	if (fix_screen || old_height == 0)
869	int curr_screen = -1;
870	uint16_t old_ncol = R->prev_ncol;
871
872	/* scr_reset only works on the primary screen */
873	if (R->old_height) /* this is not the first time through */
874	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
875	rxvt_scr_reset(aR);
876	if (curr_screen >= 0) { /* this is not the first time through */
877	rxvt_scr_change_screen(aR_ curr_screen);
878	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
879	}
880	}	995	{
		996	scr_reset ();
		997	}
881		998
882	R->old_width = R->szHint.width;	999	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
883	R->old_height = R->szHint.height;	1000	//scr_touch (false);
		1001
		1002	#ifdef HAVE_BG_PIXMAP
		1003	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		1004	// if (bgPixmap.pixmap)
		1005	// scr_touch (false);
		1006	#endif
884		1007
885	#ifdef USE_XIM	1008	#ifdef USE_XIM
886	rxvt_IMSetStatusPosition(aR);	1009	IMSetPosition ();
887	#endif	1010	#endif
888	}	1011	}
889		1012
890	/*	1013	/*
891	* Set the width/height of the vt window in characters. Units are pixels.	1014	* Set the width/height of the vt window in characters. Units are pixels.
892	* good for toggling 80/132 columns	1015	* good for toggling 80/132 columns
893	*/	1016	*/
894	/* EXTPROTO */
895	void	1017	void
896	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1018	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
897	{	1019	{
898	XWindowAttributes wattr;	1020	XWindowAttributes wattr;
899		1021
900	if (width == 0 || height == 0) {	1022	if (newwidth == 0 || newheight == 0)
		1023	{
901	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1024	XGetWindowAttributes (dpy, display->root, &wattr);
		1025
902	if (width == 0)	1026	if (newwidth == 0)
903	width = wattr.width - R->szHint.base_width;	1027	newwidth = wattr.width - szHint.base_width;
904	if (height == 0)	1028	if (newheight == 0)
905	height = wattr.height - R->szHint.base_height;	1029	newheight = wattr.height - szHint.base_height;
		1030	}
		1031
		1032	if (newwidth != width || newheight != height)
906	}	1033	{
907	if (width != R->TermWin.width || height != R->TermWin.height) {
908	width += R->szHint.base_width;	1034	newwidth += szHint.base_width;
909	height += R->szHint.base_height;	1035	newheight += szHint.base_height;
910	rxvt_resize_all_windows(aR_ width, height, 0);	1036	resize_all_windows (newwidth, newheight, 0);
911	}	1037	}
912	}	1038	}
913		1039
914	/* -------------------------------------------------------------------- *	1040	/* -------------------------------------------------------------------- *
915	* - X INPUT METHOD ROUTINES - *	1041	* - X INPUT METHOD ROUTINES - *
916	* -------------------------------------------------------------------- */	1042	* -------------------------------------------------------------------- */
917	#ifdef USE_XIM	1043	#ifdef USE_XIM
918	/* INTPROTO */
919	void
920	rxvt_setSize(pR_ XRectangle * size)
921	{
922	size->x = R->TermWin.int_bwidth;
923	size->y = R->TermWin.int_bwidth;
924	size->width = Width2Pixel(R->TermWin.ncol);
925	size->height = Height2Pixel(R->TermWin.nrow);
926	}
927		1044
928	/* INTPROTO */
929	void	1045	void
930	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1046	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
931	{	1047	{
932	*fg = R->PixColors[Color_fg];	1048	fg = pix_colors [Color_fg];
933	*bg = R->PixColors[Color_bg];	1049	bg = pix_colors [Color_bg];
		1050	}
		1051
		1052	void
		1053	rxvt_term::im_set_size (XRectangle &size)
		1054	{
		1055	// the int_bwidth terms make no sense to me
		1056	size.x = int_bwidth;
		1057	size.y = int_bwidth;
		1058	size.width = Width2Pixel (ncol) + int_bwidth;
		1059	size.height = Height2Pixel (nrow) + int_bwidth;
		1060	}
		1061
		1062	void
		1063	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1064	XRectangle &status_rect,
		1065	const XRectangle &needed_rect)
		1066	{
		1067	preedit_rect.x = needed_rect.width;
		1068	preedit_rect.y = 0;
		1069	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1070	preedit_rect.height = fheight;
		1071
		1072	status_rect.x = 0;
		1073	status_rect.y = 0;
		1074	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1075	status_rect.height = fheight;
934	}	1076	}
935		1077
936	/* Checking whether input method is running. */	1078	/* Checking whether input method is running. */
937	/* INTPROTO */
938	Bool	1079	bool
939	rxvt_IMisRunning(pR)	1080	rxvt_term::IMisRunning ()
940	{	1081	{
941	char *p;	1082	char *p;
942	Atom atom;	1083	Atom atom;
943	Window win;	1084	Window win;
944	char server[IMBUFSIZ];	1085	char server[IMBUFSIZ];
945		1086
946	/* get current locale modifier */	1087	/* get current locale modifier */
947	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1088	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1089	{
948	STRCPY(server, "@server=");	1090	strcpy (server, "@server=");
949	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1091	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1092
950	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1093	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
951	*p = '\0';	1094	*p = '\0';
952		1095
953	atom = XInternAtom(R->Xdisplay, server, False);	1096	atom = XInternAtom (dpy, server, False);
954	win = XGetSelectionOwner(R->Xdisplay, atom);	1097	win = XGetSelectionOwner (dpy, atom);
		1098
955	if (win != None)	1099	if (win != None)
956	return True;	1100	return True;
957	}	1101	}
		1102
958	return False;	1103	return False;
959	}	1104	}
960		1105
961	/* EXTPROTO */
962	void	1106	void
963	rxvt_IMSendSpot(pR)	1107	rxvt_term::IMSendSpot ()
964	{	1108	{
965	XPoint spot;	1109	XPoint nspot;
966	XVaNestedList preedit_attr;	1110	XVaNestedList preedit_attr;
967		1111
968	if (R->Input_Context == NULL	1112	if (!Input_Context
969	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1113	|| !focus
970	|| !(R->event_type == KeyPress	1114	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
971	|| R->event_type == Expose
972	|| R->event_type == NoExpose
973	|| R->event_type == SelectionNotify
974	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
975	|| !rxvt_IMisRunning(aR))
976	return;	1115	return;
977		1116
978	rxvt_setPosition(aR_ & spot);	1117	im_set_position (nspot);
979		1118
		1119	if (nspot.x == spot.x && nspot.y == spot.y)
		1120	return;
		1121
		1122	spot = nspot;
		1123
980	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1124	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
981	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1125	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
982	XFree(preedit_attr);	1126	XFree (preedit_attr);
983	}	1127	}
984		1128
985	/* EXTPROTO */
986	void	1129	void
987	rxvt_setTermFontSet(pR_ int idx)	1130	rxvt_term::im_destroy ()
988	{	1131	{
989	char *string;	1132	if (input_method)
990	long length;	1133	{
991	int success = 0;	1134	if (Input_Context && input_method->xim)
		1135	XDestroyIC (Input_Context);
992		1136
993	if (idx < 0 || idx >= MAX_NFONTS)	1137	display->put_xim (input_method);
994	return;	1138	input_method = 0;
995	}	1139	}
996		1140
997	/* INTPROTO */
998	void
999	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1000	XRectangle * needed_rect)
1001	{
1002	int mbh, vtx = 0;
1003
1004	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1005	vtx = scrollbar_TotalWidth();
1006	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1007	mbh -= R->TermWin.lineSpace;
1008
1009	preedit_rect->x = needed_rect->width + vtx;
1010	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1011
1012	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1013	+ vtx;
1014	preedit_rect->height = Height2Pixel(1);
1015
1016	status_rect->x = vtx;
1017	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1018
1019	status_rect->width = needed_rect->width ? needed_rect->width
1020	: Width2Pixel(R->TermWin.ncol + 1);
1021	status_rect->height = Height2Pixel(1);
1022	}
1023
1024	/* ARGSUSED */
1025	/* INTPROTO */
1026	void
1027	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1028	__attribute__ ((unused)), XPointer call_data
1029	__attribute__ ((unused)))
1030	{
1031	dR;
1032
1033	R->Input_Context = NULL;	1141	Input_Context = 0;
1034	/* To avoid Segmentation Fault in C locale: Solaris only? */
1035	if (STRCMP(R->locale, "C"))
1036	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1037	rxvt_IMInstantiateCallback, NULL);
1038	}	1142	}
1039		1143
1040	/*	1144	#ifdef ENABLE_XIM_ONTHESPOT
1041	* X manual pages and include files don't match on some systems:
1042	* some think this is an XIDProc and others an XIMProc so we can't
1043	* use the first argument - need to update this to be nice for
1044	* both types via some sort of configure detection
1045	*/
1046	/* ARGSUSED */
1047	/* EXTPROTO */
1048	void
1049	rxvt_IMInstantiateCallback(Display * unused
1050	__attribute__ ((unused)), XPointer client_data
1051	__attribute__ ((unused)), XPointer call_data
1052	__attribute__ ((unused)))
1053	{
1054	dR;
1055	int i, found, had_im;
1056	const char *p;
1057	char **s;
1058	char buf[IMBUFSIZ];
1059		1145
1060	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1146	static void
1061	if (R->Input_Context)	1147	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1062	return;	1148	{
		1149	((rxvt_term *)client_data)->make_current ();
		1150	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1151	}
1063		1152
1064	found = had_im = 0;	1153	static void
1065	p = R->rs[Rs_inputMethod];	1154	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1066	if (p && *p) {	1155	{
1067	had_im = 1;	1156	((rxvt_term *)client_data)->make_current ();
1068	s = rxvt_splitcommastring(p);	1157	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1069	for (i = 0; s[i]; i++) {	1158	}
1070	if (*s[i]) {	1159
1071	STRCPY(buf, "@im=");	1160	static void
1072	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1161	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1073	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1162	{
1074	&& (rxvt_IM_get_IC(aR) == True)) {	1163	rxvt_term *term = (rxvt_term *)client_data;
1075	found = 1;	1164	XIMText *text = call_data->text;
1076	break;	1165
1077	}	1166	term->make_current ();
1078	}	1167
		1168	if (text)
		1169	{
		1170	void *str;
		1171
		1172	if (!text->encoding_is_wchar && text->string.multi_byte)
		1173	{
		1174	// of course, X makes it ugly again
		1175	if (term->rs[Rs_imLocale])
		1176	SET_LOCALE (term->rs[Rs_imLocale]);
		1177
		1178	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1179	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1180
		1181	if (term->rs[Rs_imLocale])
		1182	SET_LOCALE (term->locale);
1079	}	1183	}
1080	for (i = 0; s[i]; i++)	1184	else
1081	free(s[i]);	1185	str = (void *)text->string.wide_char;
1082	free(s);
1083	}
1084	if (found)
1085	return;
1086		1186
1087	/* try with XMODIFIERS env. var. */	1187	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1088	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1188	DT_INT, call_data->caret,
1089	rxvt_IM_get_IC(aR);	1189	DT_INT, call_data->chg_first,
1090	return;	1190	DT_INT, call_data->chg_length,
		1191	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1192	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1193	DT_END));
1091	}	1194	}
1092		1195	else
1093	/* try with no modifiers base IF the user didn't specify an IM */	1196	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1094	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1197	DT_INT, call_data->caret,
1095	&& rxvt_IM_get_IC(aR) == True)	1198	DT_INT, call_data->chg_first,
1096	return;	1199	DT_INT, call_data->chg_length,
		1200	DT_END));
1097	}	1201	}
		1202
		1203	#if 0
		1204	static void
		1205	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1206	{
		1207	((rxvt_term *)client_data)->make_current ();
		1208	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1209	DT_INT, call_data->position,
		1210	DT_INT, call_data->direction,
		1211	DT_INT, call_data->style,
		1212	DT_END));
		1213	}
		1214	#endif
		1215
		1216	#endif
1098		1217
1099	/*	1218	/*
1100	* Try to open a XIM with the current modifiers, then see if we can	1219	* Try to open a XIM with the current modifiers, then see if we can
1101	* open a suitable preedit type	1220	* open a suitable preedit type
1102	*/	1221	*/
1103	/* INTPROTO */
1104	Bool	1222	bool
1105	rxvt_IM_get_IC(pR)	1223	rxvt_term::IM_get_IC (const char *modifiers)
1106	{	1224	{
1107	int i, j, found;	1225	int i, j, found;
1108	XIM xim;	1226	XIM xim;
1109	XPoint spot;	1227	XPoint spot;
1110	XRectangle rect, status_rect, needed_rect;	1228	XRectangle rect, status_rect, needed_rect;
1111	unsigned long fg, bg;	1229	unsigned long fg, bg;
1112	const char *p;	1230	const char *p;
1113	char **s;	1231	char **s;
1114	XIMStyles *xim_styles;	1232	XIMStyles *xim_styles;
1115	XVaNestedList preedit_attr, status_attr;	1233	#ifdef ENABLE_XIM_ONTHESPOT
1116	XIMCallback ximcallback;	1234	XIMCallback xcb[4];
		1235	#endif
1117		1236
1118	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1237	set_environ (envv);
1119	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1238
1120	if (xim == NULL)	1239	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1121	return False;	1240	return false;
1122		1241
		1242	input_method = display->get_xim (locale, modifiers);
		1243	if (input_method == NULL)
		1244	return false;
		1245
		1246	xim = input_method->xim;
		1247	spot.x = spot.y = -1;
		1248
1123	xim_styles = NULL;	1249	xim_styles = NULL;
1124	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1250	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1125	|| !xim_styles || !xim_styles->count_styles) {	1251	|| !xim_styles || !xim_styles->count_styles)
1126	XCloseIM(xim);	1252	{
		1253	im_destroy ();
1127	return False;	1254	return false;
		1255	}
		1256
		1257	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1258
		1259	for (int pi = 0; pi < 2; pi++)
1128	}	1260	{
		1261	p = pet[pi];
1129		1262
1130	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1263	if (!p)
1131	: "OverTheSpot,OffTheSpot,Root";	1264	continue;
		1265
1132	s = rxvt_splitcommastring(p);	1266	s = rxvt_splitcommastring (p);
		1267
1133	for (i = found = 0; !found && s[i]; i++) {	1268	for (i = found = 0; !found && s[i]; i++)
		1269	{
1134	if (!STRCMP(s[i], "OverTheSpot"))	1270	if (!strcmp (s[i], "OverTheSpot"))
1135	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1271	input_style = XIMPreeditPosition | XIMStatusNothing;
1136	else if (!STRCMP(s[i], "OffTheSpot"))	1272	else if (!strcmp (s[i], "OffTheSpot"))
1137	R->input_style = (XIMPreeditArea | XIMStatusArea);	1273	input_style = XIMPreeditArea | XIMStatusArea;
1138	else if (!STRCMP(s[i], "Root"))	1274	else if (!strcmp (s[i], "Root"))
1139	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1275	input_style = XIMPreeditNothing | XIMStatusNothing;
		1276	else if (!strcmp (s[i], "None"))
		1277	input_style = XIMPreeditNone | XIMStatusNone;
		1278	#ifdef ENABLE_XIM_ONTHESPOT
		1279	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1280	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1281	#endif
		1282	else
		1283	input_style = XIMPreeditNothing | XIMStatusNothing;
1140		1284
1141	for (j = 0; j < xim_styles->count_styles; j++)	1285	for (j = 0; j < xim_styles->count_styles; j++)
1142	if (R->input_style == xim_styles->supported_styles[j]) {	1286	if (input_style == xim_styles->supported_styles[j])
		1287	{
		1288	rxvt_freecommastring (s);
		1289
1143	found = 1;	1290	found = 1;
		1291	goto foundpet;
		1292	}
		1293
		1294	}
		1295
		1296	rxvt_freecommastring (s);
		1297	}
		1298
		1299	foundpet:
		1300
		1301	XFree (xim_styles);
		1302
		1303	if (!found)
		1304	{
		1305	im_destroy ();
		1306	return false;
		1307	}
		1308
		1309	XFontSet fs = 0;
		1310	XVaNestedList preedit_attr = 0, status_attr = 0;
		1311
		1312	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1313	{
		1314	// fake us a font-set, please
		1315	char **missing_charset_list;
		1316	int missing_charset_count;
		1317	char *def_string;
		1318	char pat[512];
		1319
		1320	sprintf (pat,
		1321	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1322	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1323	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1324	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1325	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1326	"*",
		1327	fheight,
		1328	fheight + 1, fheight - 1,
		1329	fheight - 2, fheight + 2);
		1330
		1331	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1332	&missing_charset_list, &missing_charset_count, &def_string);
		1333
		1334	if (missing_charset_list)
		1335	XFreeStringList (missing_charset_list);
		1336
		1337	if (!fs)
		1338	{
		1339	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1340	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1341	}
		1342	}
		1343
		1344	if (input_style & XIMPreeditPosition)
		1345	{
		1346	im_set_size (rect);
		1347	im_set_position (spot);
		1348	im_set_color (fg, bg);
		1349
		1350	preedit_attr = XVaCreateNestedList (0,
		1351	XNForeground, fg,
		1352	XNBackground, bg,
		1353	XNArea, &rect,
		1354	XNSpotLocation, &spot,
		1355	XNFontSet, fs,
		1356	NULL);
		1357	}
		1358	else if (input_style & XIMPreeditArea)
		1359	{
		1360	im_set_color (fg, bg);
		1361
		1362	/*
		1363	* The necessary width of preedit area is unknown
		1364	* until create input context.
		1365	*/
		1366	needed_rect.width = 0;
		1367	im_set_preedit_area (rect, status_rect, needed_rect);
		1368
		1369	preedit_attr = XVaCreateNestedList (0,
		1370	XNForeground, fg,
		1371	XNBackground, bg,
		1372	XNArea, &rect,
		1373	XNFontSet, fs,
		1374	NULL);
		1375	status_attr = XVaCreateNestedList (0,
		1376	XNForeground, fg,
		1377	XNBackground, bg,
		1378	XNArea, &status_rect,
		1379	XNFontSet, fs,
		1380	NULL);
		1381	}
		1382	#if ENABLE_XIM_ONTHESPOT
		1383	else if (input_style & XIMPreeditCallbacks)
		1384	{
		1385	im_set_position (spot);
		1386
		1387	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1388	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1389	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1390	# if 0
		1391	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1392	# endif
		1393
		1394	preedit_attr = XVaCreateNestedList (0,
		1395	XNSpotLocation, &spot,
		1396	XNPreeditStartCallback, &xcb[0],
		1397	XNPreeditDoneCallback , &xcb[1],
		1398	XNPreeditDrawCallback , &xcb[2],
		1399	# if 0
		1400	XNPreeditCaretCallback, &xcb[3],
		1401	# endif
		1402	NULL);
		1403	}
		1404	#endif
		1405
		1406	Input_Context = XCreateIC (xim,
		1407	XNInputStyle, input_style,
		1408	XNClientWindow, vt,
		1409	XNFocusWindow, parent[0],
		1410	preedit_attr ? XNPreeditAttributes : NULL,
		1411	preedit_attr,
		1412	status_attr ? XNStatusAttributes : NULL,
		1413	status_attr, NULL);
		1414
		1415	if (preedit_attr) XFree (preedit_attr);
		1416	if (status_attr) XFree (status_attr);
		1417	if (fs) XFreeFontSet (dpy, fs);
		1418
		1419	if (Input_Context == NULL)
		1420	{
		1421	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1422	im_destroy ();
		1423	return false;
		1424	}
		1425
		1426	#if 0
		1427	// unfortunately, only the focus window is used by XIM, hard to fix
		1428	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1429	vt_select_input ();
		1430	#endif
		1431
		1432	IMSetPosition ();
		1433
		1434	return true;
		1435	}
		1436
		1437	void
		1438	rxvt_term::im_cb ()
		1439	{
		1440	int i;
		1441	const char *p;
		1442	char **s;
		1443	char buf[IMBUFSIZ];
		1444
		1445	make_current ();
		1446
		1447	im_destroy ();
		1448
		1449	if (Input_Context)
		1450	return;
		1451
		1452	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1453	if (rs[Rs_imLocale])
		1454	SET_LOCALE (rs[Rs_imLocale]);
		1455	#endif
		1456
		1457	p = rs[Rs_inputMethod];
		1458	if (p && *p)
		1459	{
		1460	bool found = false;
		1461
		1462	s = rxvt_splitcommastring (p);
		1463
		1464	for (i = 0; s[i]; i++)
		1465	{
		1466	if (*s[i])
		1467	{
		1468	strcpy (buf, "@im=");
		1469	strncat (buf, s[i], IMBUFSIZ - 5);
		1470	if (IM_get_IC (buf))
		1471	{
		1472	found = true;
1144	break;	1473	break;
		1474	}
1145	}	1475	}
1146	}	1476	}
1147	for (i = 0; s[i]; i++)
1148	free(s[i]);
1149	free(s);
1150	XFree(xim_styles);
1151		1477
		1478	rxvt_freecommastring (s);
		1479
1152	if (!found) {	1480	if (found)
1153	XCloseIM(xim);	1481	goto done;
1154	return False;
1155	}	1482	}
1156		1483
1157	ximcallback.callback = rxvt_IMDestroyCallback;	1484	/* try with XMODIFIERS env. var. */
		1485	if (IM_get_IC (""))
		1486	goto done;
1158		1487
1159	/* XXX: not sure why we need this (as well as IC one below) */	1488	/* try with no modifiers base IF the user didn't specify an IM */
1160	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1489	if (IM_get_IC ("@im=none"))
		1490	goto done;
1161		1491
1162	preedit_attr = status_attr = NULL;	1492	done:
1163		1493	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1164	if (R->input_style & XIMPreeditPosition) {	1494	if (rs[Rs_imLocale])
1165	rxvt_setSize(aR_ & rect);	1495	SET_LOCALE (locale);
1166	rxvt_setPosition(aR_ & spot);	1496	#endif
1167	rxvt_setColor(aR_ & fg, &bg);
1168
1169	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1170	XNSpotLocation, &spot,
1171	XNForeground, fg, XNBackground, bg,
1172	//XNFontSet, R->TermWin.fontset,
1173	NULL);
1174	} else if (R->input_style & XIMPreeditArea) {
1175	rxvt_setColor(aR_ & fg, &bg);
1176
1177	/*
1178	* The necessary width of preedit area is unknown
1179	* until create input context.
1180	*/
1181	needed_rect.width = 0;
1182
1183	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1184
1185	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1186	XNForeground, fg, XNBackground, bg,
1187	//XNFontSet, R->TermWin.fontset,
1188	NULL);
1189	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1190	XNForeground, fg, XNBackground, bg,
1191	//XNFontSet, R->TermWin.fontset,
1192	NULL);
1193	}
1194	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1195	XNClientWindow, R->TermWin.parent[0],
1196	XNFocusWindow, R->TermWin.parent[0],
1197	XNDestroyCallback, &ximcallback,
1198	preedit_attr ? XNPreeditAttributes : NULL,
1199	preedit_attr,
1200	status_attr ? XNStatusAttributes : NULL,
1201	status_attr, NULL);
1202	if (preedit_attr)
1203	XFree(preedit_attr);
1204	if (status_attr)
1205	XFree(status_attr);
1206	if (R->Input_Context == NULL) {
1207	rxvt_print_error("failed to create input context");
1208	XCloseIM(xim);
1209	return False;
1210	}
1211	if (R->input_style & XIMPreeditArea)
1212	rxvt_IMSetStatusPosition(aR);
1213	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1214	return True;
1215	}	1497	}
1216		1498
1217	/* EXTPROTO */
1218	void	1499	void
1219	rxvt_IMSetStatusPosition(pR)	1500	rxvt_term::IMSetPosition ()
1220	{	1501	{
1221	XRectangle preedit_rect, status_rect, *needed_rect;	1502	XRectangle preedit_rect, status_rect, *needed_rect;
1222	XVaNestedList preedit_attr, status_attr;	1503	XVaNestedList preedit_attr, status_attr;
1223		1504
1224	if (R->Input_Context == NULL	1505	if (!Input_Context
1225	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1506	|| !focus
		1507	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1226	|| !rxvt_IMisRunning(aR))	1508	|| !IMisRunning ())
1227	return;	1509	return;
1228		1510
		1511	if (input_style & XIMPreeditPosition)
		1512	{
		1513	im_set_size (preedit_rect);
		1514	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1515
		1516	XSetICValues (Input_Context,
		1517	XNPreeditAttributes, preedit_attr, NULL);
		1518	}
		1519	else
		1520	{
1229	/* Getting the necessary width of preedit area */	1521	/* Getting the necessary width of preedit area */
1230	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1522	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1231	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1523	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1232	XFree(status_attr);	1524	XFree (status_attr);
1233		1525
1234	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1526	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1527	XFree (needed_rect);
1235		1528
1236	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1529	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1237	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1530	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1238		1531
1239	XSetICValues(R->Input_Context,	1532	XSetICValues (Input_Context,
1240	XNPreeditAttributes, preedit_attr,	1533	XNPreeditAttributes, preedit_attr,
1241	XNStatusAttributes, status_attr, NULL);	1534	XNStatusAttributes, status_attr,
		1535	NULL);
1242		1536
		1537	XFree (status_attr);
		1538	}
		1539
1243	XFree(preedit_attr);	1540	XFree (preedit_attr);
1244	XFree(status_attr);
1245	}	1541	}
1246	#endif /* USE_XIM */	1542	#endif /* USE_XIM */
1247		1543
1248	/*----------------------------------------------------------------------*/	1544	void
1249	rxvt_t rxvt_current_term;	1545	rxvt_term::get_window_origin (int &x, int &y)
		1546	{
		1547	Window cr;
		1548	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1549	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1550	}
		1551
		1552	Pixmap
		1553	rxvt_term::get_pixmap_property (int prop_id)
		1554	{
		1555	if (prop_id > 0 && prop_id < NUM_XA)
		1556	if (xa[prop_id])
		1557	{
		1558	int aformat;
		1559	unsigned long nitems, bytes_after;
		1560	Atom atype;
		1561	unsigned char *prop = NULL;
		1562	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1563	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1564	&nitems, &bytes_after, &prop);
		1565	if (result == Success && prop && atype == XA_PIXMAP)
		1566	return *(Pixmap *)prop;
		1567	}
		1568
		1569	return None;
		1570	}
		1571
		1572	#ifdef HAVE_BG_PIXMAP
		1573	# if TRACE_PIXMAPS
		1574	# undef update_background
		1575	void
		1576	rxvt_term::trace_update_background (const char *file, int line)
		1577	{
		1578	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1579	update_background ();
		1580	}
		1581	# endif
		1582
		1583	void
		1584	rxvt_term::update_background ()
		1585	{
		1586	if (update_background_ev.is_active ())
		1587	return;
		1588
		1589	bgPixmap.invalidate ();
		1590
		1591	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1592
		1593	if (to_wait <= 0.)
		1594	bgPixmap.render ();
		1595	else
		1596	update_background_ev.start (to_wait);
		1597	}
		1598
		1599	void
		1600	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1601	{
		1602	make_current ();
		1603
		1604	update_background_ev.stop ();
		1605	bgPixmap.render ();
		1606	refresh_check ();
		1607	}
		1608
		1609	#endif /* HAVE_BG_PIXMAP */
1250		1610
1251	/*----------------------- end-of-file (C source) -----------------------*/	1611	/*----------------------- end-of-file (C source) -----------------------*/

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