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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.3 by pcg, Tue Nov 25 11:52:42 2003 UTC vs.
Revision 1.313 by root, Tue Nov 4 16:43:50 2008 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.3 2003/11/25 11:52:42 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
		77	void
		78	rxvt_push_locale (const char *locale) NOTHROW
		79	{
		80	strcpy (savelocale, curlocale);
		81	rxvt_set_locale (locale);
		82	}
		83
		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
		149	return len;
		150
		151	}
		152	#endif
		153
47	rxvt_term::rxvt_term()	154	rxvt_term::rxvt_term ()
48	: pty_ev(this, &rxvt_term::pty_cb),
49	x_ev (this, &rxvt_term::x_cb)
50	{	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
51	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
52	}
53		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
54	void *	206	void
55	rxvt_term::operator new (size_t s)	207	rxvt_term::emergency_cleanup ()
56	{	208	{
57	void *p = malloc (s);	209	if (cmd_pid)
		210	kill (-cmd_pid, SIGHUP);
58		211
59	MEMSET (p, 0, s);	212	pty_ev.stop ();
60	return p;	213	delete pty; pty = 0;
61	}	214	}
62		215
63	void	216	rxvt_term::~rxvt_term ()
64	rxvt_term::operator delete (void *p, size_t s)
65	{	217	{
66	free (p);	218	termlist.erase (find (termlist.begin (), termlist.end(), this));
67	}
68		219
69	/*----------------------------------------------------------------------*/	220	emergency_cleanup ();
70	/* rxvt_init() */
71	/* LIBPROTO */
72	rxvt_t
73	rxvt_init(int argc, const char *const *argv)
74	{
75	const char **cmd_argv;
76		221
77	SET_R(new rxvt_term);	222	#if ENABLE_STYLES
78	dR;	223	for (int i = RS_styleCount; --i; )
79		224	if (fontset[i] != fontset[0])
80	if (rxvt_init_vars(aR) < 0)	225	delete fontset[i];
81	{
82	free(R);
83	return NULL;
84	}
85
86	/*
87	* Save and then give up any super-user privileges
88	* If we need privileges in any area then we must specifically request it.
89	* We should only need to be root in these cases:
90	* 1. write utmp entries on some systems
91	* 2. chown tty on some systems
92	*/
93	rxvt_privileges(aR_ SAVE);
94	rxvt_privileges(aR_ IGNORE);
95
96	rxvt_init_secondary(aR);
97
98	cmd_argv = rxvt_init_resources(aR_ argc, argv);
99
100	R->x_ev.start (ConnectionNumber (R->Xdisplay), EVENT_READ);
101
102	#if (MENUBAR_MAX)
103	rxvt_menubar_read(aR_ R->rs[Rs_menu]);
104	#endif	226	#endif
105	#ifdef HAVE_SCROLLBARS	227	delete fontset[0];
106	if (R->Options & Opt_scrollBar)
107	scrollbar_setIdle(); /* set existence for size calculations */
108	#endif
109		228
110	rxvt_Create_Windows(aR_ argc, argv);	229	#ifdef HAVE_BG_PIXMAP
111		230	bgPixmap.destroy ();
112	rxvt_init_xlocale(aR);
113
114	rxvt_scr_reset(aR); /* initialize screen */
115	#ifdef RXVT_GRAPHICS
116	rxvt_Gr_reset(aR); /* reset graphics */
117	#endif	231	#endif
118		232	#ifdef HAVE_AFTERIMAGE
119	#if 0	233	if (asv)
120	#ifdef DEBUG_X	234	destroy_asvisual (asv, 0);
121	XSynchronize(R->Xdisplay, True);	235	if (asimman)
122	XSetErrorHandler((XErrorHandler) abort);	236	destroy_image_manager (asimman, 0);
123	#else
124	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
125	#endif	237	#endif
126	#endif
127		238
128	#ifdef HAVE_SCROLLBARS	239	if (display)
129	if (R->Options & Opt_scrollBar)
130	rxvt_Resize_scrollBar(aR); /* create and map scrollbar */
131	#endif
132	#if (MENUBAR_MAX)
133	if (menubar_visible(r))
134	XMapWindow(R->Xdisplay, R->menuBar.win);
135	#endif
136	#ifdef TRANSPARENT
137	if (R->Options & Opt_transparent)
138	{	240	{
139	XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);	241	selection_clear ();
140	rxvt_check_our_parents(aR);	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);
141	}	267	}
142	#endif
143	XMapWindow(R->Xdisplay, R->TermWin.vt);
144	XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
145		268
146	rxvt_init_env(aR);	269	scr_release ();
147	rxvt_init_command(aR_ cmd_argv);
148		270
149	R->pty_ev.start (R->cmd_fd, EVENT_READ);	271	/* clear all resources */
		272	for (int i = 0; i < allocated.size (); i++)
		273	free (allocated [i]);
150		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 ())
151	return R;	310	return;
152	}
153		311
154	/* ------------------------------------------------------------------------- *	312	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
155	* SIGNAL HANDLING & EXIT HANDLER *
156	* ------------------------------------------------------------------------- */
157	/*
158	* Catch a SIGCHLD signal and exit if the direct child has died
159	*/
160	/* ARGSUSED */
161	/* EXTPROTO */
162	RETSIGTYPE
163	rxvt_Child_signal(int sig __attribute__ ((unused)))
164	{
165	dR;
166	int pid, save_errno = errno;
167		313
168	do {	314	#if ENABLE_OVERLAY
169	errno = 0;	315	scr_overlay_off ();
170	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
171
172	if (pid == R->cmd_pid)
173	exit(EXIT_SUCCESS);
174
175	errno = save_errno;
176	signal(SIGCHLD, rxvt_Child_signal);
177	}
178
179	/*
180	* Catch a fatal signal and tidy up before quitting
181	*/
182	/* EXTPROTO */
183	RETSIGTYPE
184	rxvt_Exit_signal(int sig)
185	{
186	signal(sig, SIG_DFL);
187	#ifdef DEBUG_CMD
188	rxvt_print_error("signal %d", sig);
189	#endif	316	#endif
190	rxvt_clean_exit();
191	kill(getpid(), sig);
192	}
193		317
194	/* ARGSUSED */	318	if (display)
195	/* INTPROTO */
196	int
197	rxvt_xerror_handler(const Display * display
198	__attribute__ ((unused)), const XErrorEvent * event)
199	{
200	dR;
201
202	if (R->allowedxerror == -1) {
203	R->allowedxerror = event->error_code;
204	return 0; /* ignored anyway */
205	}	319	{
206	rxvt_print_error("XError: Request: %d . %d, Error: %d",	320	#if USE_XIM
207	event->request_code, event->minor_code,	321	im_ev.stop (display);
208	event->error_code);	322	#endif
209	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	323	scrollbar_ev.stop (display);
210	exit(EXIT_FAILURE);	324	#if ENABLE_TRANSPARENCY || ENABLE_PERL
211	/* NOTREACHED */	325	rootwin_ev.stop (display);
		326	#endif
		327	incr_ev.stop ();
		328	termwin_ev.stop (display);
		329	vt_ev.stop (display);
		330	}
		331
		332	flush_ev.stop ();
		333	pty_ev.stop ();
		334	#ifdef CURSOR_BLINK
		335	cursor_blink_ev.stop ();
		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;
212	}	359	}
213		360
214	/*----------------------------------------------------------------------*/	361	/*----------------------------------------------------------------------*/
215	/*	362	/*
216	* Exit gracefully, clearing the utmp entry and restoring tty attributes	363	* Exit gracefully, clearing the utmp entry and restoring tty attributes
217	* 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
218	*/	365	*/
219	/* EXTPROTO */	366	static XErrorHandler old_xerror_handler;
220	void
221	rxvt_clean_exit(void)
222	{
223	dR;
224		367
225	#ifdef DEBUG_SCREEN	368	static void
226	rxvt_scr_release(aR);	369	rxvt_emergency_cleanup ()
227	#endif
228	#ifndef NO_SETOWNER_TTYDEV
229	rxvt_privileged_ttydev(aR_ RESTORE);
230	#endif
231	#ifdef UTMP_SUPPORT
232	rxvt_privileged_utmp(aR_ RESTORE);
233	#endif
234	#ifdef USE_XIM
235	if (R->Input_Context != NULL) {
236	XDestroyIC(R->Input_Context);
237	R->Input_Context = NULL;
238	}
239	#endif
240	}
241
242	/* ------------------------------------------------------------------------- *
243	* MEMORY ALLOCATION WRAPPERS *
244	* ------------------------------------------------------------------------- */
245	/* EXTPROTO */
246	void *
247	rxvt_malloc(size_t size)
248	{	370	{
249	void *p;	371	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
250		372	(*t)->emergency_cleanup ();
251	p = malloc(size);
252	if (p)
253	return p;
254
255	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
256	rxvt_clean_exit();
257	exit(EXIT_FAILURE);
258	/* NOTREACHED */
259	}	373	}
260		374
261	/* EXTPROTO */	375	#if !ENABLE_MINIMAL
262	void *	376	static void
263	rxvt_calloc(size_t number, size_t size)	377	print_x_error (Display *dpy, XErrorEvent *event)
264	{	378	{
265	void *p;	379	char buffer[BUFSIZ];
266		380	char mesg[BUFSIZ];
267	p = calloc(number, size);	381	char number[32];
268	if (p)	382	char *mtype = "XlibMessage";
269	return p;	383	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
270		384	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
271	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	385	rxvt_warn ("An X Error occured, trying to continue after report.\n");
272	rxvt_clean_exit();	386	rxvt_warn ("%s: %s\n", mesg, buffer);
273	exit(EXIT_FAILURE);	387	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
274	/* 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);
275	}	421	}
276
277	/* EXTPROTO */
278	void *
279	rxvt_realloc(void *ptr, size_t size)
280	{
281	void *p;
282
283	if (ptr)
284	p = realloc(ptr, size);
285	else
286	p = malloc(size);
287	if (p)
288	return p;
289
290	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
291	rxvt_clean_exit();
292	exit(EXIT_FAILURE);
293	/* NOTREACHED */
294	}
295
296	/* ------------------------------------------------------------------------- *
297	* PRIVILEGED OPERATIONS *
298	* ------------------------------------------------------------------------- */
299	/* take care of suid/sgid super-user (root) privileges */
300	/* INTPROTO */
301	void
302	rxvt_privileges(pR_ int mode)
303	{
304	#if ! defined(__CYGWIN32__)
305	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
306	/* setreuid() is the poor man's setuid(), seteuid() */
307	# define seteuid(a) setreuid(-1, (a))
308	# define setegid(a) setregid(-1, (a))
309	# define HAVE_SETEUID
310	# endif	422	#endif
311	# ifdef HAVE_SETEUID	423
312	switch (mode) {	424	int
313	case IGNORE:	425	rxvt_xerror_handler (Display *display, XErrorEvent *event)
314	/*	426	{
315	* change effective uid/gid - not real uid/gid - so we can switch	427	if (GET_R->allowedxerror == -1)
316	* back to root later, as required	428	GET_R->allowedxerror = event->error_code;
317	*/	429	else
318	seteuid(getuid());
319	setegid(getgid());
320	break;
321	case SAVE:
322	R->euid = geteuid();
323	R->egid = getegid();
324	break;
325	case RESTORE:
326	seteuid(R->euid);
327	setegid(R->egid);
328	break;
329	}	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);
330	# else	435	#else
331	switch (mode) {	436	print_x_error (display, event);
332	case IGNORE:
333	setuid(getuid());
334	setgid(getgid());
335	/* FALLTHROUGH */
336	case SAVE:
337	/* FALLTHROUGH */
338	case RESTORE:
339	break;
340	}
341	# endif	437	#endif
342	#endif	438	}
343	}
344		439
345	#ifdef UTMP_SUPPORT	440	return 0;
346	/* EXTPROTO */	441	}
347	void
348	rxvt_privileged_utmp(pR_ char action)
349	{
350	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
351	action, R->next_utmp_action, getpid()));
352	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
353	|| (R->Options & Opt_utmpInhibit)
354	|| R->ttydev == NULL || *R->ttydev == '\0')
355	return;
356		442
357	rxvt_privileges(aR_ RESTORE);	443	int
358	if (action == SAVE) {	444	rxvt_xioerror_handler (Display *display)
359	R->next_utmp_action = RESTORE;	445	{
360	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	446	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
361	} else { /* action == RESTORE */	447	DisplayString (display));
362	R->next_utmp_action = IGNORE;	448	rxvt_emergency_cleanup ();
363	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);
364	}	465	}
365	rxvt_privileges(aR_ IGNORE);	466	} sig_handlers;
366	}
367	#endif
368		467
369	#ifndef NO_SETOWNER_TTYDEV
370	/* EXTPROTO */
371	void	468	void
372	rxvt_privileged_ttydev(pR_ char action)	469	sig_handlers::sig_term (ev::sig &w, int revents)
373	{	470	{
374	D_MAIN((stderr,	471	rxvt_emergency_cleanup ();
375	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",	472	w.stop ();
376	action, R->next_tty_action, getpid()));	473	kill (getpid (), w.signum);
377	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
378	|| R->ttydev == NULL || *R->ttydev == '\0')
379	return;
380
381	rxvt_privileges(aR_ RESTORE);
382
383	if (action == SAVE) {
384	R->next_tty_action = RESTORE;
385	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
386	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
387	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
388	R->next_tty_action = IGNORE;
389	else
390	# endif
391	{
392	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
393	chmod(R->ttydev, R->ttymode);
394	# ifdef HAVE_REVOKE
395	revoke(R->ttydev);
396	# endif
397	}
398	} else { /* action == RESTORE */
399	R->next_tty_action = IGNORE;
400	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
401	chmod(R->ttydev, R->ttyfd_stat.st_mode);
402	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
403	# else
404	chmod(R->ttydev,
405	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
406	chown(R->ttydev, 0, 0);
407	# endif
408	}
409
410	rxvt_privileges(aR_ IGNORE);
411
412	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
413	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
414	action == RESTORE ? "Restoring" : (action ==
415	SAVE ? "Saving" :
416	"UNKNOWN ERROR for"), R->ttydev,
417	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
418	R->ttyfd_stat.st_gid));
419	# endif
420	}	474	}
421	#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	}
422		503
423	/*----------------------------------------------------------------------*/	504	/*----------------------------------------------------------------------*/
424	/*	505	/*
425	* window size/position calculcations for XSizeHint and other storage.	506	* window size/position calculations for XSizeHint and other storage.
426	* if width/height are non-zero then override calculated width/height	507	* if width/height are non-zero then override calculated width/height
427	*/	508	*/
428	/* EXTPROTO */
429	void	509	void
430	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	510	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
431	{	511	{
432	short recalc_x, recalc_y;	512	short recalc_x, recalc_y;
433	int x, y, sb_w, mb_h, flags;	513	int x, y, flags;
434	unsigned int w, h;	514	unsigned int w, h;
435	unsigned int max_width, max_height;	515	unsigned int max_width, max_height;
436		516
437	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
438	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
439	R->szHint.height));
440	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	517	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
441	R->szHint.win_gravity = NorthWestGravity;	518	szHint.win_gravity = NorthWestGravity;
442	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	519	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
443		520
444	recalc_x = recalc_y = 0;	521	recalc_x = recalc_y = 0;
445	flags = 0;	522	flags = 0;
		523
446	if (!R->parsed_geometry) {	524	if (!parsed_geometry)
		525	{
447	R->parsed_geometry = 1;	526	parsed_geometry = 1;
		527
448	if (R->rs[Rs_geometry])	528	if (rs[Rs_geometry])
449	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	529	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		530
450	if (flags & WidthValue) {	531	if (flags & WidthValue)
451	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 ());
452	R->szHint.flags |= USSize;	537	szHint.flags |= USSize;
453	}	538	}
		539
454	if (flags & HeightValue) {	540	if (flags & HeightValue)
455	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 ());
456	R->szHint.flags |= USSize;	546	szHint.flags |= USSize;
457	}	547	}
		548
458	if (flags & XValue) {	549	if (flags & XValue)
		550	{
459	R->szHint.x = x;	551	szHint.x = x;
460	R->szHint.flags |= USPosition;	552	szHint.flags |= USPosition;
		553
461	if (flags & XNegative) {	554	if (flags & XNegative)
		555	{
462	recalc_x = 1;	556	recalc_x = 1;
463	R->szHint.win_gravity = NorthEastGravity;	557	szHint.win_gravity = NorthEastGravity;
464	}	558	}
465	}	559	}
		560
466	if (flags & YValue) {	561	if (flags & YValue)
		562	{
467	R->szHint.y = y;	563	szHint.y = y;
468	R->szHint.flags |= USPosition;	564	szHint.flags |= USPosition;
		565
469	if (flags & YNegative) {	566	if (flags & YNegative)
		567	{
470	recalc_y = 1;	568	recalc_y = 1;
		569
471	if (R->szHint.win_gravity == NorthEastGravity)	570	if (szHint.win_gravity == NorthEastGravity)
472	R->szHint.win_gravity = SouthEastGravity;	571	szHint.win_gravity = SouthEastGravity;
473	else	572	else
474	R->szHint.win_gravity = SouthWestGravity;	573	szHint.win_gravity = SouthWestGravity;
475	}	574	}
476	}	575	}
477	}	576	}
		577
478	/* TODO: BOUNDS */	578	/* TODO: BOUNDS */
479	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	579	width = ncol * fwidth;
480	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	580	height = nrow * fheight;
481	max_width = MAX_COLS * R->TermWin.fwidth;	581	max_width = MAX_COLS * fwidth;
482	max_height = MAX_ROWS * R->TermWin.fheight;	582	max_height = MAX_ROWS * fheight;
483		583
484	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	584	szHint.base_width = szHint.base_height = 2 * int_bwidth;
485		585
486	sb_w = mb_h = 0;
487	R->window_vt_x = R->window_vt_y = 0;	586	window_vt_x = window_vt_y = int_bwidth;
488	if (scrollbar_visible(R)) {	587
		588	if (scrollBar.state)
		589	{
489	sb_w = scrollbar_TotalWidth();	590	int sb_w = scrollBar.total_width ();
490	R->szHint.base_width += sb_w;	591	szHint.base_width += sb_w;
		592
491	if (!(R->Options & Opt_scrollBar_right))	593	if (!option (Opt_scrollBar_right))
492	R->window_vt_x = sb_w;	594	window_vt_x += sb_w;
493	}	595	}
494	if (menubar_visible(R)) {	596
495	mb_h = menuBar_TotalHeight();
496	R->szHint.base_height += mb_h;
497	R->window_vt_y = mb_h;
498	}
499	R->szHint.width_inc = R->TermWin.fwidth;	597	szHint.width_inc = fwidth;
500	R->szHint.height_inc = R->TermWin.fheight;	598	szHint.height_inc = fheight;
501	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	599	szHint.min_width = szHint.base_width + szHint.width_inc;
502	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	600	szHint.min_height = szHint.base_height + szHint.height_inc;
503		601
504	if (width && width - R->szHint.base_width < max_width) {	602	if (newwidth && newwidth - szHint.base_width < max_width)
		603	{
505	R->szHint.width = width;	604	szHint.width = newwidth;
506	R->TermWin.width = width - R->szHint.base_width;	605	width = newwidth - szHint.base_width;
507	} else {	606	}
508	MIN_IT(R->TermWin.width, max_width);	607	else
		608	{
		609	min_it (width, max_width);
509	R->szHint.width = R->szHint.base_width + R->TermWin.width;	610	szHint.width = szHint.base_width + width;
510	}	611	}
		612
511	if (height && height - R->szHint.base_height < max_height) {	613	if (newheight && newheight - szHint.base_height < max_height)
		614	{
512	R->szHint.height = height;	615	szHint.height = newheight;
513	R->TermWin.height = height - R->szHint.base_height;	616	height = newheight - szHint.base_height;
514	} else {	617	}
515	MIN_IT(R->TermWin.height, max_height);	618	else
		619	{
		620	min_it (height, max_height);
516	R->szHint.height = R->szHint.base_height + R->TermWin.height;	621	szHint.height = szHint.base_height + height;
517	}	622	}
518	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
519	R->window_sb_x = R->szHint.width - sb_w;
520		623
521	if (recalc_x)	624	if (recalc_x)
522	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	625	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
523	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	626
524	if (recalc_y)	627	if (recalc_y)
525	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	628	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
526	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
527		629
528	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	630	ncol = width / fwidth;
529	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	631	nrow = height / fheight;
530	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
531	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
532	R->szHint.height));
533	return;
534	}	632	}
535		633
536	/*----------------------------------------------------------------------*/	634	/*----------------------------------------------------------------------*/
537	/*	635	/*
538	* Tell the teletype handler what size the window is.	636	* Tell the teletype handler what size the window is.
539	* Called after a window size change.	637	* Called after a window size change.
540	*/	638	*/
541	/* EXTPROTO */
542	void	639	void
543	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	640	rxvt_term::tt_winch ()
544	{	641	{
		642	if (pty->pty < 0)
		643	return;
		644
545	struct winsize ws;	645	struct winsize ws;
546		646
547	if (fd < 0)
548	return;
549	ws.ws_col = col;	647	ws.ws_col = ncol;
550	ws.ws_row = row;	648	ws.ws_row = nrow;
551	ws.ws_xpixel = ws.ws_ypixel = 0;	649	ws.ws_xpixel = width;
552	#ifndef DEBUG_SIZE	650	ws.ws_ypixel = height;
553	(void)ioctl(fd, TIOCSWINSZ, &ws);	651	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
554	#else	652
555	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	653	#if 0
556	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	654	// TIOCSWINSZ is supposed to do this automatically and correctly
557	}
558	# ifdef SIGWINCH
559	else if (pid) /* force through to the command */	655	if (cmd_pid) /* force through to the command */
560	kill(pid, SIGWINCH);	656	kill (-cmd_pid, SIGWINCH);
561	# endif
562	#endif	657	#endif
563	}	658	}
564		659
565	/*----------------------------------------------------------------------*/	660	/*----------------------------------------------------------------------*/
566	/* rxvt_change_font() - Switch to a new font */	661	/* set_fonts () - load and set the various fonts
567	/*	662	*
568	* init = 1 - initialize	663	* init = 1 - initialize
569	*	664	*
570	* fontname == FONT_UP - switch to bigger font	665	* fontname == FONT_UP - switch to bigger font
571	* fontname == FONT_DN - switch to smaller font	666	* fontname == FONT_DN - switch to smaller font
572	*/	667	*/
573	/* EXTPROTO */	668	bool
574	void	669	rxvt_term::set_fonts ()
575	rxvt_change_font(pR_ int init, const char *fontname)
576	{	670	{
577	}	671	rxvt_fontset *fs = new rxvt_fontset (this);
		672	rxvt_fontprop prop;
578		673
579	/* 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
580	void	743	void
581	rxvt_font_up_down(pR_ int n, int direction)	744	rxvt_term::set_string_property (Atom prop, const char *str, int len)
582	{	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);
583	}	763	}
584		764
585	/*----------------------------------------------------------------------*/	765	/*----------------------------------------------------------------------*/
586	/*----------------------------------------------------------------------*/	766	/*----------------------------------------------------------------------*/
587	/* xterm sequences - title, iconName, color (exptl) */	767	/* xterm sequences - title, iconName, color (exptl) */
588	/* EXTPROTO */
589	void	768	void
590	rxvt_set_title(pR_ const char *str)	769	rxvt_term::set_title (const char *str)
591	{	770	{
592	#ifndef SMART_WINDOW_TITLE	771	set_string_property (XA_WM_NAME, str);
593	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	772	#if ENABLE_EWMH
594	#else	773	set_utf8_property (xa[XA_NET_WM_NAME], str);
595	char *name;
596
597	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
598	name = NULL;
599	if (name == NULL || STRCMP(name, str))
600	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
601	if (name)
602	XFree(name);
603	#endif	774	#endif
604	}	775	}
605		776
606	/* EXTPROTO */
607	void	777	void
608	rxvt_set_iconName(pR_ const char *str)	778	rxvt_term::set_icon_name (const char *str)
609	{	779	{
610	#ifndef SMART_WINDOW_TITLE	780	set_string_property (XA_WM_ICON_NAME, str);
611	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	781	#if ENABLE_EWMH
612	#else	782	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
613	char *name;
614
615	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
616	name = NULL;
617	if (name == NULL || STRCMP(name, str))
618	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
619	if (name)
620	XFree(name);
621	#endif	783	#endif
622	}	784	}
623		785
		786	void
		787	rxvt_term::set_window_color (int idx, const char *color)
		788	{
624	#ifdef XTERM_COLOR_CHANGE	789	#ifdef XTERM_COLOR_CHANGE
625	/* EXTPROTO */
626	void
627	rxvt_set_window_color(pR_ int idx, const char *color)
628	{
629	rxvt_color xcol;	790	rxvt_color xcol;
630	int i;
631		791
632	if (color == NULL || *color == '\0')	792	if (color == NULL || *color == '\0')
633	return;	793	return;
634		794
		795	color = strdup (color);
		796	allocated.push_back ((void *)color);
		797	rs[Rs_color + idx] = color;
		798
635	/* handle color aliases */	799	/* handle color aliases */
636	if (isdigit(*color)) {	800	if (isdigit (*color))
		801	{
637	i = atoi(color);	802	int i = atoi (color);
638	if (i >= 8 && i <= 15) { /* bright colors */	803
639	i -= 8;	804	if (i >= 8 && i <= 15)
640	# ifndef NO_BRIGHTCOLOR	805	{
641	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	806	/* bright colors */
642	SET_PIXCOLOR(R, idx);	807	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
643	goto Done;	808	goto done;
644	# endif
645	}	809	}
646	if (i >= 0 && i <= 7) { /* normal colors */	810
647	R->PixColors[idx] = R->PixColors[minCOLOR + i];	811	if (i >= 0 && i <= 7)
648	SET_PIXCOLOR(R, idx);	812	{
		813	/* normal colors */
		814	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
649	goto Done;	815	goto done;
650	}	816	}
651	}	817	}
652	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
653	return;
654	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
655		818
656	/*	819	set_color (xcol, color);
		820
		821	/*
657	* 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,
658	* so just keep gobbling up the colormap	823	* so just keep gobbling up the colormap
659	*/	824	*/
660	# if 0
661	for (i = Color_Black; i <= Color_White; i++)
662	if (R->PixColors[idx] == R->PixColors[i])
663	break;
664	if (i > Color_White) {
665	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
666	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
667	DisplayPlanes(R->Xdisplay, Xscreen));
668	}
669	# endif
670		825
671	R->PixColors[idx] = xcol;	826	pix_colors_focused[idx] = xcol;
672	SET_PIXCOLOR(R, idx);
673		827
674	/* XSetWindowAttributes attr; */	828	done:
675	/* Cursor cursor; */
676	Done:
677	if (idx == Color_bg && !(R->Options & Opt_transparent))
678	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
679	R->PixColors[Color_bg]);
680
681	/* handle Color_BD, scrollbar background, etc. */	829	/*TODO: handle Color_BD, scrollbar background, etc. */
682		830
683	rxvt_set_colorfgbg(aR);	831	update_fade_color (idx);
684	rxvt_recolour_cursor(aR);	832	recolour_cursor ();
685	/* the only reasonable way to enforce a clean update */	833	scr_recolour ();
686	rxvt_scr_poweron(aR);	834	#endif /* XTERM_COLOR_CHANGE */
687	}	835	}
688		836
689	#else
690	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
691	#endif /* XTERM_COLOR_CHANGE */
692
693	/* EXTPROTO */
694	void	837	void
695	rxvt_recolour_cursor(pR)	838	rxvt_term::recolour_cursor ()
696	{	839	{
697	rxvt_color xcol[2];	840	XColor fg, bg;
698		841
699	#if TODO	842	(ISSET_PIXCOLOR (Color_pointer_fg)
700	xcol[0] = R->PixColors[Color_pointer];	843	? pix_colors_focused[Color_pointer_fg]
701	xcol[1] = R->PixColors[Color_bg];	844	: pix_colors_focused[Color_fg]).get (fg);
702	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	845
703	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	846	(ISSET_PIXCOLOR (Color_pointer_bg)
704	#endif	847	? pix_colors_focused[Color_pointer_bg]
		848	: pix_colors_focused[Color_bg]).get (bg);
		849
		850	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
705	}	851	}
706		852
707	/*----------------------------------------------------------------------*/	853	/*----------------------------------------------------------------------*/
708	/*	854	/*
709	* 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
710	*/	856	*/
711	/* INTPROTO */
712	void	857	void
713	rxvt_set_colorfgbg(pR)	858	rxvt_term::set_colorfgbg ()
714	{	859	{
715	unsigned int i;	860	unsigned int i;
716	const char *xpmb = "\0";	861	const char *xpmb = "";
717	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	862	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
718		863
719	R->env_colorfgbg =	864	strcpy (fstr, "default");
720	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	865	strcpy (bstr, "default");
721	STRCPY(fstr, "default");
722	STRCPY(bstr, "default");
723	for (i = Color_Black; i <= Color_White; i++)	866	for (i = Color_Black; i <= Color_White; i++)
724	if (R->PixColors[Color_fg] == R->PixColors[i]) {	867	if (pix_colors[Color_fg] == pix_colors[i])
		868	{
725	sprintf(fstr, "%d", (i - Color_Black));	869	sprintf (fstr, "%d", (i - Color_Black));
726	break;	870	break;
727	}	871	}
		872
728	for (i = Color_Black; i <= Color_White; i++)	873	for (i = Color_Black; i <= Color_White; i++)
729	if (R->PixColors[Color_bg] == R->PixColors[i]) {	874	if (pix_colors[Color_bg] == pix_colors[i])
		875	{
730	sprintf(bstr, "%d", (i - Color_Black));	876	sprintf (bstr, "%d", (i - Color_Black));
731	#ifdef XPM_BACKGROUND	877	#ifdef BG_IMAGE_FROM_FILE
732	xpmb = "default;";	878	xpmb = "default;";
733	#endif	879	#endif
734	break;	880	break;
735	}	881	}
		882
736	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	883	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
737	putenv(R->env_colorfgbg);
738
739	#ifndef NO_BRIGHTCOLOR
740	R->colorfgbg = DEFAULT_RSTYLE;
741	for (i = minCOLOR; i <= maxCOLOR; i++) {
742	if (R->PixColors[Color_fg] == R->PixColors[i])
743	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
744	if (R->PixColors[Color_bg] == R->PixColors[i])
745	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
746	}
747	#endif
748	}	884	}
749		885
750	/*----------------------------------------------------------------------*/	886	/*----------------------------------------------------------------------*/
751	/*
752	* Colour determination for low colour displays, routine from
753	* Hans de Goede <hans@highrise.nl>
754	*/
755		887
756	/* EXTPROTO */	888	bool
757	int	889	rxvt_term::set_color (rxvt_color &color, const char *name)
758	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
759	{	890	{
760	screen_in_out->set(aR_ colour);	891	if (color.set (this, name))
761
762	if (!screen_in_out->set(aR_ colour)) {
763	rxvt_print_error("can't allocate colour: %s", colour);
764	return false;
765	}
766
767	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]);
768	}	902	}
769		903
770	/* -------------------------------------------------------------------- *	904	/* -------------------------------------------------------------------- *
771	* - WINDOW RESIZING - *	905	* - WINDOW RESIZING - *
772	* -------------------------------------------------------------------- */	906	* -------------------------------------------------------------------- */
773	/* EXTPROTO */
774	void	907	void
775	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)
776	int ignoreparent)
777	{	909	{
778	int fix_screen;	910	int fix_screen;
		911	int old_width = szHint.width;
		912	int old_height = szHint.height;
779		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	{
780	#ifdef SMART_RESIZE	928	#ifdef SMART_RESIZE
781	int old_width = R->szHint.width, old_height = R->szHint.height;	929	/*
782	#endif
783
784	rxvt_window_calc(aR_ width, height);
785	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
786	if (!ignoreparent) {
787	#ifdef SMART_RESIZE
788	/*
789	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	930	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
790	* reposition window on resize depending on placement on screen	931	* reposition window on resize depending on placement on screen
791	*/	932	*/
792	int x, y, x1, y1;	933	int x, y, x1, y1;
793	int dx, dy;	934	int dx, dy;
794	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	935	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
795	Window unused_cr;	936	Window unused_cr;
796		937
797	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	938	XTranslateCoordinates (dpy, parent[0], display->root,
798	0, 0, &x, &y, &unused_cr);	939	0, 0, &x, &y, &unused_cr);
799	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	940	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
800	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	941	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
801	/*	942	/*
802	* 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
803	* our position for handles and decorations. Counter it	944	* our position for handles and decorations. Counter it
804	*/	945	*/
805	if (x1 != x || y1 != y) {	946	if (x1 != x || y1 != y)
		947	{
806	x -= x1;	948	x -= x1;
807	y -= y1;	949	y -= y1;
808	}	950	}
809		951
810	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	952	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
811	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	953	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
812	dx = old_width - R->szHint.width;	954	dx = old_width - szHint.width;
813	dy = old_height - R->szHint.height;	955	dy = old_height - szHint.height;
814		956
815	/* Check position of the center of the window */	957	/* Check position of the center of the window */
816	if (x < x1) /* left half */	958	if (x < x1) /* left half */
817	dx = 0;	959	dx = 0;
818	else if (x == x1) /* exact center */	960	else if (x == x1) /* exact center */
819	dx /= 2;	961	dx /= 2;
820	if (y < y1) /* top half */	962	if (y < y1) /* top half */
821	dy = 0;	963	dy = 0;
822	else if (y == y1) /* exact center */	964	else if (y == y1) /* exact center */
823	dy /= 2;	965	dy /= 2;
824		966
825	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	967	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
826	R->szHint.width, R->szHint.height);	968	szHint.width, szHint.height);
827	#else	969	#else
828	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	970	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
829	R->szHint.height);
830	#endif	971	#endif
831	}	972	}
832		973
833	fix_screen = (R->TermWin.ncol != R->prev_ncol	974	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
834	|| R->TermWin.nrow != R->prev_nrow);	975
835	if (fix_screen || width != R->old_width || height != R->old_height) {	976	if (fix_screen || newwidth != old_width || newheight != old_height)
836	if (scrollbar_visible(R)) {
837	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
838	0, scrollbar_TotalWidth(), R->szHint.height);
839	rxvt_Resize_scrollBar(aR);
840	}
841	if (menubar_visible(R))
842	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
843	0, TermWin_TotalWidth(), menuBar_TotalHeight());
844	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
845	R->window_vt_y, TermWin_TotalWidth(),
846	TermWin_TotalHeight());
847	#ifdef RXVT_GRAPHICS
848	if (R->old_height)
849	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
850	R->old_height - R->szHint.base_height);
851	#endif
852	rxvt_scr_clear(aR);
853	#ifdef XPM_BACKGROUND
854	rxvt_resize_pixmap(aR);
855	#endif
856	}	977	{
		978	if (scrollBar.state)
		979	scrollBar.resize ();
857		980
		981	XMoveResizeWindow (dpy, vt,
		982	window_vt_x, window_vt_y,
		983	width, height);
		984
		985	#ifdef HAVE_BG_PIXMAP
		986	if (bgPixmap.window_size_sensitive ())
		987	update_background ();
		988	#endif
		989
		990	scr_clear ();
		991	}
		992
		993	if (set_hint)
		994	XSetWMNormalHints (dpy, parent[0], &szHint);
		995
858	if (fix_screen || R->old_height == 0) {	996	if (fix_screen || old_height == 0)
859	int curr_screen = -1;	997	scr_reset ();
860	uint16_t old_ncol = R->prev_ncol;
861		998
862	/* scr_reset only works on the primary screen */	999	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
863	if (R->old_height) /* this is not the first time through */	1000	//scr_touch (false);
864	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
865	rxvt_scr_reset(aR);
866	if (curr_screen >= 0) { /* this is not the first time through */
867	rxvt_scr_change_screen(aR_ curr_screen);
868	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
869	}
870	}
871		1001
872	R->old_width = R->szHint.width;	1002	#ifdef HAVE_BG_PIXMAP
873	R->old_height = R->szHint.height;	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
874		1007
875	#ifdef USE_XIM	1008	#ifdef USE_XIM
876	rxvt_IMSetStatusPosition(aR);	1009	IMSetPosition ();
877	#endif	1010	#endif
878	}	1011	}
879		1012
880	/*	1013	/*
881	* 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.
882	* good for toggling 80/132 columns	1015	* good for toggling 80/132 columns
883	*/	1016	*/
884	/* EXTPROTO */
885	void	1017	void
886	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1018	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
887	{	1019	{
888	XWindowAttributes wattr;	1020	XWindowAttributes wattr;
889		1021
890	if (width == 0 || height == 0) {	1022	if (newwidth == 0 || newheight == 0)
		1023	{
891	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1024	XGetWindowAttributes (dpy, display->root, &wattr);
		1025
892	if (width == 0)	1026	if (newwidth == 0)
893	width = wattr.width - R->szHint.base_width;	1027	newwidth = wattr.width - szHint.base_width;
894	if (height == 0)	1028	if (newheight == 0)
895	height = wattr.height - R->szHint.base_height;	1029	newheight = wattr.height - szHint.base_height;
		1030	}
		1031
		1032	if (newwidth != width || newheight != height)
896	}	1033	{
897	if (width != R->TermWin.width || height != R->TermWin.height) {
898	width += R->szHint.base_width;	1034	newwidth += szHint.base_width;
899	height += R->szHint.base_height;	1035	newheight += szHint.base_height;
900	rxvt_resize_all_windows(aR_ width, height, 0);	1036	resize_all_windows (newwidth, newheight, 0);
901	}	1037	}
902	}	1038	}
903		1039
904	/* -------------------------------------------------------------------- *	1040	/* -------------------------------------------------------------------- *
905	* - X INPUT METHOD ROUTINES - *	1041	* - X INPUT METHOD ROUTINES - *
906	* -------------------------------------------------------------------- */	1042	* -------------------------------------------------------------------- */
907	#ifdef USE_XIM	1043	#ifdef USE_XIM
908	/* INTPROTO */
909	void
910	rxvt_setSize(pR_ XRectangle * size)
911	{
912	size->x = R->TermWin.int_bwidth;
913	size->y = R->TermWin.int_bwidth;
914	size->width = Width2Pixel(R->TermWin.ncol);
915	size->height = Height2Pixel(R->TermWin.nrow);
916	}
917		1044
918	/* INTPROTO */
919	void	1045	void
920	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1046	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
921	{	1047	{
922	*fg = R->PixColors[Color_fg];	1048	fg = pix_colors [Color_fg];
923	*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;
924	}	1076	}
925		1077
926	/* Checking whether input method is running. */	1078	/* Checking whether input method is running. */
927	/* INTPROTO */
928	Bool	1079	bool
929	rxvt_IMisRunning(pR)	1080	rxvt_term::IMisRunning ()
930	{	1081	{
931	char *p;	1082	char *p;
932	Atom atom;	1083	Atom atom;
933	Window win;	1084	Window win;
934	char server[IMBUFSIZ];	1085	char server[IMBUFSIZ];
935		1086
936	/* get current locale modifier */	1087	/* get current locale modifier */
937	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1088	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1089	{
938	STRCPY(server, "@server=");	1090	strcpy (server, "@server=");
939	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1091	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1092
940	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1093	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
941	*p = '\0';	1094	*p = '\0';
942		1095
943	atom = XInternAtom(R->Xdisplay, server, False);	1096	atom = XInternAtom (dpy, server, False);
944	win = XGetSelectionOwner(R->Xdisplay, atom);	1097	win = XGetSelectionOwner (dpy, atom);
		1098
945	if (win != None)	1099	if (win != None)
946	return True;	1100	return True;
947	}	1101	}
		1102
948	return False;	1103	return False;
949	}	1104	}
950		1105
951	/* EXTPROTO */
952	void	1106	void
953	rxvt_IMSendSpot(pR)	1107	rxvt_term::IMSendSpot ()
954	{	1108	{
955	XPoint spot;	1109	XPoint nspot;
956	XVaNestedList preedit_attr;	1110	XVaNestedList preedit_attr;
957		1111
958	if (R->Input_Context == NULL	1112	if (!Input_Context
959	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1113	|| !focus
960	|| !(R->event_type == KeyPress	1114	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
961	|| R->event_type == Expose
962	|| R->event_type == NoExpose
963	|| R->event_type == SelectionNotify
964	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
965	|| !rxvt_IMisRunning(aR))
966	return;	1115	return;
967		1116
968	rxvt_setPosition(aR_ & spot);	1117	im_set_position (nspot);
969		1118
		1119	if (nspot.x == spot.x && nspot.y == spot.y)
		1120	return;
		1121
		1122	spot = nspot;
		1123
970	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1124	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
971	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1125	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
972	XFree(preedit_attr);	1126	XFree (preedit_attr);
973	}	1127	}
974		1128
975	/* EXTPROTO */
976	void	1129	void
977	rxvt_setTermFontSet(pR_ int idx)	1130	rxvt_term::im_destroy ()
978	{	1131	{
979	char *string;	1132	if (input_method)
980	long length;	1133	{
981	int success = 0;	1134	if (Input_Context && input_method->xim)
		1135	XDestroyIC (Input_Context);
982		1136
983	if (idx < 0 || idx >= MAX_NFONTS)	1137	display->put_xim (input_method);
984	return;	1138	input_method = 0;
985	}	1139	}
986		1140
987	/* INTPROTO */
988	void
989	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
990	XRectangle * needed_rect)
991	{
992	int mbh, vtx = 0;
993
994	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
995	vtx = scrollbar_TotalWidth();
996	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
997	mbh -= R->TermWin.lineSpace;
998
999	preedit_rect->x = needed_rect->width + vtx;
1000	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1001
1002	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1003	+ vtx;
1004	preedit_rect->height = Height2Pixel(1);
1005
1006	status_rect->x = vtx;
1007	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1008
1009	status_rect->width = needed_rect->width ? needed_rect->width
1010	: Width2Pixel(R->TermWin.ncol + 1);
1011	status_rect->height = Height2Pixel(1);
1012	}
1013
1014	/* ARGSUSED */
1015	/* INTPROTO */
1016	void
1017	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1018	__attribute__ ((unused)), XPointer call_data
1019	__attribute__ ((unused)))
1020	{
1021	dR;
1022
1023	R->Input_Context = NULL;	1141	Input_Context = 0;
1024	/* To avoid Segmentation Fault in C locale: Solaris only? */
1025	if (STRCMP(R->locale, "C"))
1026	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1027	rxvt_IMInstantiateCallback, NULL);
1028	}	1142	}
1029		1143
1030	/*	1144	#ifdef ENABLE_XIM_ONTHESPOT
1031	* X manual pages and include files don't match on some systems:
1032	* some think this is an XIDProc and others an XIMProc so we can't
1033	* use the first argument - need to update this to be nice for
1034	* both types via some sort of configure detection
1035	*/
1036	/* ARGSUSED */
1037	/* EXTPROTO */
1038	void
1039	rxvt_IMInstantiateCallback(Display * unused
1040	__attribute__ ((unused)), XPointer client_data
1041	__attribute__ ((unused)), XPointer call_data
1042	__attribute__ ((unused)))
1043	{
1044	dR;
1045	int i, found, had_im;
1046	const char *p;
1047	char **s;
1048	char buf[IMBUFSIZ];
1049		1145
1050	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1146	static void
1051	if (R->Input_Context)	1147	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1052	return;	1148	{
		1149	((rxvt_term *)client_data)->make_current ();
		1150	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1151	}
1053		1152
1054	found = had_im = 0;	1153	static void
1055	p = R->rs[Rs_inputMethod];	1154	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1056	if (p && *p) {	1155	{
1057	had_im = 1;	1156	((rxvt_term *)client_data)->make_current ();
1058	s = rxvt_splitcommastring(p);	1157	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1059	for (i = 0; s[i]; i++) {	1158	}
1060	if (*s[i]) {	1159
1061	STRCPY(buf, "@im=");	1160	static void
1062	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1161	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1063	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1162	{
1064	&& (rxvt_IM_get_IC(aR) == True)) {	1163	rxvt_term *term = (rxvt_term *)client_data;
1065	found = 1;	1164	XIMText *text = call_data->text;
1066	break;	1165
1067	}	1166	term->make_current ();
1068	}	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);
1069	}	1183	}
1070	for (i = 0; s[i]; i++)	1184	else
1071	free(s[i]);	1185	str = (void *)text->string.wide_char;
1072	free(s);
1073	}
1074	if (found)
1075	return;
1076		1186
1077	/* try with XMODIFIERS env. var. */	1187	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1078	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1188	DT_INT, call_data->caret,
1079	rxvt_IM_get_IC(aR);	1189	DT_INT, call_data->chg_first,
1080	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));
1081	}	1194	}
1082		1195	else
1083	/* try with no modifiers base IF the user didn't specify an IM */	1196	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1084	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1197	DT_INT, call_data->caret,
1085	&& rxvt_IM_get_IC(aR) == True)	1198	DT_INT, call_data->chg_first,
1086	return;	1199	DT_INT, call_data->chg_length,
		1200	DT_END));
1087	}	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
1088		1217
1089	/*	1218	/*
1090	* 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
1091	* open a suitable preedit type	1220	* open a suitable preedit type
1092	*/	1221	*/
1093	/* INTPROTO */
1094	Bool	1222	bool
1095	rxvt_IM_get_IC(pR)	1223	rxvt_term::IM_get_IC (const char *modifiers)
1096	{	1224	{
1097	int i, j, found;	1225	int i, j, found;
1098	XIM xim;	1226	XIM xim;
1099	XPoint spot;	1227	XPoint spot;
1100	XRectangle rect, status_rect, needed_rect;	1228	XRectangle rect, status_rect, needed_rect;
1101	unsigned long fg, bg;	1229	unsigned long fg, bg;
1102	const char *p;	1230	const char *p;
1103	char **s;	1231	char **s;
1104	XIMStyles *xim_styles;	1232	XIMStyles *xim_styles;
1105	XVaNestedList preedit_attr, status_attr;	1233	#ifdef ENABLE_XIM_ONTHESPOT
1106	XIMCallback ximcallback;	1234	XIMCallback xcb[4];
		1235	#endif
1107		1236
1108	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1237	set_environ (envv);
1109	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1238
1110	if (xim == NULL)	1239	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1111	return False;	1240	return false;
1112		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
1113	xim_styles = NULL;	1249	xim_styles = NULL;
1114	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1250	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1115	|| !xim_styles || !xim_styles->count_styles) {	1251	|| !xim_styles || !xim_styles->count_styles)
1116	XCloseIM(xim);	1252	{
		1253	im_destroy ();
1117	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++)
1118	}	1260	{
		1261	p = pet[pi];
1119		1262
1120	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1263	if (!p)
1121	: "OverTheSpot,OffTheSpot,Root";	1264	continue;
		1265
1122	s = rxvt_splitcommastring(p);	1266	s = rxvt_splitcommastring (p);
		1267
1123	for (i = found = 0; !found && s[i]; i++) {	1268	for (i = found = 0; !found && s[i]; i++)
		1269	{
1124	if (!STRCMP(s[i], "OverTheSpot"))	1270	if (!strcmp (s[i], "OverTheSpot"))
1125	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1271	input_style = XIMPreeditPosition | XIMStatusNothing;
1126	else if (!STRCMP(s[i], "OffTheSpot"))	1272	else if (!strcmp (s[i], "OffTheSpot"))
1127	R->input_style = (XIMPreeditArea | XIMStatusArea);	1273	input_style = XIMPreeditArea | XIMStatusArea;
1128	else if (!STRCMP(s[i], "Root"))	1274	else if (!strcmp (s[i], "Root"))
1129	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;
1130		1284
1131	for (j = 0; j < xim_styles->count_styles; j++)	1285	for (j = 0; j < xim_styles->count_styles; j++)
1132	if (R->input_style == xim_styles->supported_styles[j]) {	1286	if (input_style == xim_styles->supported_styles[j])
		1287	{
		1288	rxvt_freecommastring (s);
		1289
1133	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;
1134	break;	1473	break;
		1474	}
1135	}	1475	}
1136	}	1476	}
1137	for (i = 0; s[i]; i++)
1138	free(s[i]);
1139	free(s);
1140	XFree(xim_styles);
1141		1477
		1478	rxvt_freecommastring (s);
		1479
1142	if (!found) {	1480	if (found)
1143	XCloseIM(xim);	1481	goto done;
1144	return False;
1145	}	1482	}
1146		1483
1147	ximcallback.callback = rxvt_IMDestroyCallback;	1484	/* try with XMODIFIERS env. var. */
		1485	if (IM_get_IC (""))
		1486	goto done;
1148		1487
1149	/* 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 */
1150	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1489	if (IM_get_IC ("@im=none"))
		1490	goto done;
1151		1491
1152	preedit_attr = status_attr = NULL;	1492	done:
1153		1493	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1154	if (R->input_style & XIMPreeditPosition) {	1494	if (rs[Rs_imLocale])
1155	rxvt_setSize(aR_ & rect);	1495	SET_LOCALE (locale);
1156	rxvt_setPosition(aR_ & spot);	1496	#endif
1157	rxvt_setColor(aR_ & fg, &bg);
1158
1159	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1160	XNSpotLocation, &spot,
1161	XNForeground, fg, XNBackground, bg,
1162	//XNFontSet, R->TermWin.fontset,
1163	NULL);
1164	} else if (R->input_style & XIMPreeditArea) {
1165	rxvt_setColor(aR_ & fg, &bg);
1166
1167	/*
1168	* The necessary width of preedit area is unknown
1169	* until create input context.
1170	*/
1171	needed_rect.width = 0;
1172
1173	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1174
1175	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1176	XNForeground, fg, XNBackground, bg,
1177	//XNFontSet, R->TermWin.fontset,
1178	NULL);
1179	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1180	XNForeground, fg, XNBackground, bg,
1181	//XNFontSet, R->TermWin.fontset,
1182	NULL);
1183	}
1184	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1185	XNClientWindow, R->TermWin.parent[0],
1186	XNFocusWindow, R->TermWin.parent[0],
1187	XNDestroyCallback, &ximcallback,
1188	preedit_attr ? XNPreeditAttributes : NULL,
1189	preedit_attr,
1190	status_attr ? XNStatusAttributes : NULL,
1191	status_attr, NULL);
1192	if (preedit_attr)
1193	XFree(preedit_attr);
1194	if (status_attr)
1195	XFree(status_attr);
1196	if (R->Input_Context == NULL) {
1197	rxvt_print_error("failed to create input context");
1198	XCloseIM(xim);
1199	return False;
1200	}
1201	if (R->input_style & XIMPreeditArea)
1202	rxvt_IMSetStatusPosition(aR);
1203	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1204	return True;
1205	}	1497	}
1206		1498
1207	/* EXTPROTO */
1208	void	1499	void
1209	rxvt_IMSetStatusPosition(pR)	1500	rxvt_term::IMSetPosition ()
1210	{	1501	{
1211	XRectangle preedit_rect, status_rect, *needed_rect;	1502	XRectangle preedit_rect, status_rect, *needed_rect;
1212	XVaNestedList preedit_attr, status_attr;	1503	XVaNestedList preedit_attr, status_attr;
1213		1504
1214	if (R->Input_Context == NULL	1505	if (!Input_Context
1215	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1506	|| !focus
		1507	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1216	|| !rxvt_IMisRunning(aR))	1508	|| !IMisRunning ())
1217	return;	1509	return;
1218		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	{
1219	/* Getting the necessary width of preedit area */	1521	/* Getting the necessary width of preedit area */
1220	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1522	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1221	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1523	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1222	XFree(status_attr);	1524	XFree (status_attr);
1223		1525
1224	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1526	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1527	XFree (needed_rect);
1225		1528
1226	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1529	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1227	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1530	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1228		1531
1229	XSetICValues(R->Input_Context,	1532	XSetICValues (Input_Context,
1230	XNPreeditAttributes, preedit_attr,	1533	XNPreeditAttributes, preedit_attr,
1231	XNStatusAttributes, status_attr, NULL);	1534	XNStatusAttributes, status_attr,
		1535	NULL);
1232		1536
		1537	XFree (status_attr);
		1538	}
		1539
1233	XFree(preedit_attr);	1540	XFree (preedit_attr);
1234	XFree(status_attr);
1235	}	1541	}
1236	#endif /* USE_XIM */	1542	#endif /* USE_XIM */
1237		1543
1238	/*----------------------------------------------------------------------*/	1544	void
1239	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 */
1240		1610
1241	/*----------------------- end-of-file (C source) -----------------------*/	1611	/*----------------------- end-of-file (C source) -----------------------*/

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