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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.7 by pcg, Wed Nov 26 10:42:34 2003 UTC vs.
Revision 1.327 by root, Sun May 23 00:25:48 2010 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.7 2003/11/26 10:42:34 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
		40	#include <cassert>
37	#include <signal.h>	41	#include <csignal>
		42	#include <cstring>
38		43
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>
41	#endif
42
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	44	#include <termios.h>
		45
		46	#ifdef HAVE_XSETLOCALE
		47	# define X_LOCALE
		48	# include <X11/Xlocale.h>
		49	#else
		50	# ifdef HAVE_SETLOCALE
		51	# include <clocale>
45	#endif	52	# endif
		53	#endif
46		54
		55	vector<rxvt_term *> rxvt_term::termlist;
		56
		57	// used to tell global functions which terminal instance is "active"
		58	rxvt_t rxvt_current_term;
		59
		60	static char curlocale[128], savelocale[128];
		61
		62	bool
		63	rxvt_set_locale (const char *locale) NOTHROW
		64	{
		65	int size = strlen (locale) + 1;
		66
		67	if (size > sizeof (curlocale))
		68	rxvt_fatal ("locale string too long, aborting.\n");
		69
		70	if (!locale || !memcmp (locale, curlocale, size))
		71	return false;
		72
		73	memcpy (curlocale, locale, size);
		74	setlocale (LC_CTYPE, curlocale);
		75	return true;
		76	}
		77
47	void *	78	void
48	rxvt_term::operator new (size_t s)	79	rxvt_push_locale (const char *locale) NOTHROW
49	{	80	{
50	void *p = malloc (s);	81	strcpy (savelocale, curlocale);
		82	rxvt_set_locale (locale);
		83	}
51		84
52	MEMSET (p, 0, s);	85	void
		86	rxvt_pop_locale () NOTHROW
		87	{
		88	rxvt_set_locale (savelocale);
		89	}
		90
		91	#if ENABLE_COMBINING
		92	class rxvt_composite_vec rxvt_composite;
		93
		94	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		95	{
		96	compose_char *cc;
		97
		98	// break compose chains, as stupid readline really likes to duplicate
		99	// composing characters for some reason near the end of a line.
		100	cc = (*this)[c1];
		101	while (cc)
		102	{
		103	if (cc->c2 == c2) return c1;
		104	cc = (*this)[cc->c1];
		105	}
		106
		107	// check to see whether this combination already exists otherwise
		108	for (cc = v.end (); cc-- > v.begin (); )
		109	{
		110	if (cc->c1 == c1 && cc->c2 == c2)
		111	return COMPOSE_LO + (cc - v.begin ());
		112	}
		113
		114	// allocate a new combination
		115	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		116	{
		117	static int seen;
		118
		119	if (!seen++)
		120	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		121
		122	return REPLACEMENT_CHAR;
		123	}
		124
		125	v.push_back (compose_char (c1, c2));
		126
		127	return v.size () - 1 + COMPOSE_LO;
		128	}
		129
		130	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		131	{
		132	compose_char *cc = (*this)[c];
		133
		134	if (!cc)
		135	{
		136	if (r) *r = c;
		137	return 1;
		138	}
		139
		140	int len = expand (cc->c1, r);
		141
		142	if (r) r += len;
		143
		144	if (cc->c2 != NOCHAR)
		145	{
		146	len++;
		147	if (r) *r++ = cc->c2;
		148	}
		149
53	return p;	150	return len;
54	}
55		151
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	152	}
		153	#endif
61		154
62	rxvt_term::rxvt_term ()	155	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	156	{
		157	#if HAVE_BG_PIXMAP
		158	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		159	#endif
64	#ifdef CURSOR_BLINK	160	#ifdef CURSOR_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	161	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		162	#endif
		163	#ifdef TEXT_BLINK
		164	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		165	#endif
		166	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		167	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		168	#endif
		169	#ifdef SELECTION_SCROLLING
		170	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		171	#endif
		172	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		173	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		174	#endif
		175	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		176	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		177	#endif
		178	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		179	#ifdef USE_XIM
		180	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
66	#endif	181	#endif
67	#ifdef POINTER_BLANK	182	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
69	#endif	184	#endif
70	x_ev (this, &rxvt_term::x_cb)	185	#ifndef NO_BELL
71	{	186	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		187	#endif
		188	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		189	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		190	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		191	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		192	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		193	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		195
72	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	196	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		197
		198	termlist.push_back (this);
		199
		200	#ifdef KEYSYM_RESOURCE
		201	keyboard = new keyboard_manager;
		202	#endif
		203	}
		204
		205	// clean up the most important stuff, do *not* call x or free mem etc.
		206	// for use before an emergency exit
		207	void
		208	rxvt_term::emergency_cleanup ()
		209	{
		210	if (cmd_pid)
		211	kill (-cmd_pid, SIGHUP);
		212
		213	pty_ev.stop ();
		214	delete pty; pty = 0;
73	}	215	}
74		216
75	rxvt_term::~rxvt_term ()	217	rxvt_term::~rxvt_term ()
76	{	218	{
77	delete PixColors;	219	termlist.erase (find (termlist.begin (), termlist.end(), this));
78	}
79		220
80	/*----------------------------------------------------------------------*/	221	emergency_cleanup ();
81	/* rxvt_init() */
82	/* LIBPROTO */
83	rxvt_t
84	rxvt_init(int argc, const char *const *argv)
85	{
86	SET_R(new rxvt_term);
87	dR;
88		222
89	if (!R->init_vars () || !R->init (argc, argv))	223	#if ENABLE_STYLES
90	{	224	for (int i = RS_styleCount; --i; )
91	delete R;	225	if (fontset[i] != fontset[0])
92	return NULL;	226	delete fontset[i];
		227	#endif
		228	delete fontset[0];
		229
		230	#ifdef HAVE_BG_PIXMAP
		231	bgPixmap.destroy ();
		232	#endif
		233	#ifdef HAVE_AFTERIMAGE
		234	if (asv)
		235	destroy_asvisual (asv, 0);
		236	if (asimman)
		237	destroy_image_manager (asimman, 0);
		238	#endif
		239
		240	if (display)
93	}	241	{
		242	selection_clear ();
		243	selection_clear (true);
94		244
		245	#ifdef USE_XIM
		246	im_destroy ();
		247	#endif
		248	scrollBar.destroy ();
		249	if (gc) XFreeGC (dpy, gc);
		250
		251	delete drawable;
		252	// destroy all windows
		253	if (parent[0])
		254	XDestroyWindow (dpy, parent[0]);
		255
		256	for (int i = 0; i < TOTAL_COLORS; i++)
		257	if (ISSET_PIXCOLOR (i))
		258	{
		259	pix_colors_focused [i].free (this);
		260	#if OFF_FOCUS_FADING
		261	pix_colors_unfocused [i].free (this);
		262	#endif
		263	}
		264
		265	clear ();
		266
		267	display->flush (); /* ideally .put should do this */
		268	displays.put (display);
		269	}
		270
		271	scr_release ();
		272
		273	/* clear all resources */
		274	for (int i = 0; i < allocated.size (); i++)
		275	free (allocated [i]);
		276
		277	free (selection.text);
		278	free (selection.clip_text);
		279	// TODO: manage env vars in child only(!)
		280	free (env_display);
		281	free (env_term);
		282	free (locale);
		283	free (v_buffer);
		284	free (incr_buf);
		285
		286	delete envv;
		287	delete argv;
		288
		289	#ifdef KEYSYM_RESOURCE
		290	delete keyboard;
		291	#endif
		292	#ifndef NO_RESOURCES
		293	XrmDestroyDatabase (option_db);
		294	#endif
		295	}
		296
		297	// child has exited, usually destroys
		298	void
		299	rxvt_term::child_cb (ev::child &w, int status)
		300	{
		301	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		302
		303	cmd_pid = 0;
		304
		305	if (!option (Opt_hold))
		306	destroy ();
		307	}
		308
		309	void
		310	rxvt_term::destroy ()
		311	{
		312	if (destroy_ev.is_active ())
95	return R;	313	return;
96	}
97		314
98	bool	315	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
99	rxvt_term::init (int argc, const char *const *argv)
100	{
101	dR;//TODO (scrollbar, setidle)
102		316
103	/*	317	#if ENABLE_OVERLAY
104	* Save and then give up any super-user privileges	318	scr_overlay_off ();
105	* If we need privileges in any area then we must specifically request it.
106	* We should only need to be root in these cases:
107	* 1. write utmp entries on some systems
108	* 2. chown tty on some systems
109	*/
110	rxvt_privileges (this, SAVE);
111	rxvt_privileges (this, IGNORE);
112
113	rxvt_init_secondary (this);
114
115	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
116
117	#if (MENUBAR_MAX)
118	rxvt_menubar_read (this, rs[Rs_menu]);
119	#endif	319	#endif
120	#ifdef HAVE_SCROLLBARS
121	if (Options & Opt_scrollBar)
122	scrollbar_setIdle (); /* set existence for size calculations */
123	#endif
124		320
125	rxvt_Create_Windows (this, argc, argv);	321	if (display)
126
127	rxvt_init_xlocale (this);
128
129	rxvt_scr_reset (this); /* initialize screen */
130	#ifdef RXVT_GRAPHICS
131	rxvt_Gr_reset (this); /* reset graphics */
132	#endif
133
134	#if 0
135	#ifdef DEBUG_X
136	XSynchronize(Xdisplay, True);
137	XSetErrorHandler((XErrorHandler) abort);
138	#else
139	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
140	#endif
141	#endif
142
143	#ifdef HAVE_SCROLLBARS
144	if (Options & Opt_scrollBar)
145	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
146	#endif
147	#if (MENUBAR_MAX)
148	if (menubar_visible(r))
149	XMapWindow (Xdisplay, menuBar.win);
150	#endif
151	#ifdef TRANSPARENT
152	if (Options & Opt_transparent)
153	{
154	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
155	rxvt_check_our_parents (this);
156	}	322	{
		323	#if USE_XIM
		324	im_ev.stop (display);
157	#endif	325	#endif
158	XMapWindow (Xdisplay, TermWin.vt);	326	scrollbar_ev.stop (display);
159	XMapWindow (Xdisplay, TermWin.parent[0]);	327	#if ENABLE_TRANSPARENCY || ENABLE_PERL
160		328	rootwin_ev.stop (display);
161	rxvt_init_env (this);
162	rxvt_init_command (this, cmd_argv);
163
164	x_ev.start (Xfd, EVENT_READ);
165	pty_ev.start (cmd_fd, EVENT_READ);
166
167	flush ();
168
169	return true;
170	}
171
172	/* ------------------------------------------------------------------------- *
173	* SIGNAL HANDLING & EXIT HANDLER *
174	* ------------------------------------------------------------------------- */
175	/*
176	* Catch a SIGCHLD signal and exit if the direct child has died
177	*/
178	/* ARGSUSED */
179	/* EXTPROTO */
180	RETSIGTYPE
181	rxvt_Child_signal(int sig __attribute__ ((unused)))
182	{
183	dR;
184	int pid, save_errno = errno;
185
186	do {
187	errno = 0;
188	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
189
190	if (pid == R->cmd_pid)
191	exit(EXIT_SUCCESS);
192
193	errno = save_errno;
194	signal(SIGCHLD, rxvt_Child_signal);
195	}
196
197	/*
198	* Catch a fatal signal and tidy up before quitting
199	*/
200	/* EXTPROTO */
201	RETSIGTYPE
202	rxvt_Exit_signal(int sig)
203	{
204	signal(sig, SIG_DFL);
205	#ifdef DEBUG_CMD
206	rxvt_print_error("signal %d", sig);
207	#endif	329	#endif
208	rxvt_clean_exit();	330	incr_ev.stop ();
209	kill(getpid(), sig);	331	termwin_ev.stop (display);
210	}	332	vt_ev.stop (display);
211
212	/* ARGSUSED */
213	/* INTPROTO */
214	int
215	rxvt_xerror_handler(const Display * display
216	__attribute__ ((unused)), const XErrorEvent * event)
217	{
218	dR;
219
220	if (R->allowedxerror == -1) {
221	R->allowedxerror = event->error_code;
222	return 0; /* ignored anyway */
223	}	333	}
224	rxvt_print_error("XError: Request: %d . %d, Error: %d",	334
225	event->request_code, event->minor_code,	335	flush_ev.stop ();
226	event->error_code);	336	pty_ev.stop ();
227	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	337	#ifdef CURSOR_BLINK
228	exit(EXIT_FAILURE);	338	cursor_blink_ev.stop ();
229	/* NOTREACHED */	339	#endif
		340	#ifdef TEXT_BLINK
		341	text_blink_ev.stop ();
		342	#endif
		343	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		344	cont_scroll_ev.stop ();
		345	#endif
		346	#ifdef SELECTION_SCROLLING
		347	sel_scroll_ev.stop ();
		348	#endif
		349	#ifdef POINTER_BLANK
		350	pointer_ev.stop ();
		351	#endif
		352
		353	destroy_ev.start ();
		354	}
		355
		356	void
		357	rxvt_term::destroy_cb (ev::idle &w, int revents)
		358	{
		359	make_current ();
		360
		361	delete this;
230	}	362	}
231		363
232	/*----------------------------------------------------------------------*/	364	/*----------------------------------------------------------------------*/
233	/*	365	/*
234	* Exit gracefully, clearing the utmp entry and restoring tty attributes	366	* Exit gracefully, clearing the utmp entry and restoring tty attributes
235	* TODO: if debugging, this should free up any known resources if we can	367	* TODO: if debugging, this should free up any known resources if we can
236	*/	368	*/
237	/* EXTPROTO */	369	static XErrorHandler old_xerror_handler;
238	void
239	rxvt_clean_exit(void)
240	{
241	dR;
242		370
243	#ifdef DEBUG_SCREEN	371	static void
244	rxvt_scr_release(aR);	372	rxvt_emergency_cleanup ()
245	#endif
246	#ifndef NO_SETOWNER_TTYDEV
247	rxvt_privileged_ttydev(aR_ RESTORE);
248	#endif
249	#ifdef UTMP_SUPPORT
250	rxvt_privileged_utmp(aR_ RESTORE);
251	#endif
252	#ifdef USE_XIM
253	if (R->Input_Context != NULL) {
254	XDestroyIC(R->Input_Context);
255	R->Input_Context = NULL;
256	}
257	#endif
258	}
259
260	/* ------------------------------------------------------------------------- *
261	* MEMORY ALLOCATION WRAPPERS *
262	* ------------------------------------------------------------------------- */
263	/* EXTPROTO */
264	void *
265	rxvt_malloc(size_t size)
266	{	373	{
267	void *p;	374	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
268		375	(*t)->emergency_cleanup ();
269	p = malloc(size);
270	if (p)
271	return p;
272
273	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
274	rxvt_clean_exit();
275	exit(EXIT_FAILURE);
276	/* NOTREACHED */
277	}	376	}
278		377
279	/* EXTPROTO */	378	#if !ENABLE_MINIMAL
280	void *	379	static void
281	rxvt_calloc(size_t number, size_t size)	380	print_x_error (Display *dpy, XErrorEvent *event)
282	{	381	{
283	void *p;	382	char buffer[BUFSIZ];
284		383	char mesg[BUFSIZ];
285	p = calloc(number, size);	384	char number[32];
286	if (p)	385	char *mtype = "XlibMessage";
287	return p;	386	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
288		387	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
289	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	388	rxvt_warn ("An X Error occured, trying to continue after report.\n");
290	rxvt_clean_exit();	389	rxvt_warn ("%s: %s\n", mesg, buffer);
291	exit(EXIT_FAILURE);	390	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
292	/* NOTREACHED */	391	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
293	}	392	sprintf(number, "%d", event->request_code);
294		393	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
295	/* EXTPROTO */	394	rxvt_warn ("(which is %s)\n", buffer);
296	void *	395	if (event->request_code >= 128) {
297	rxvt_realloc(void *ptr, size_t size)	396	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
298	{	397	mesg, BUFSIZ);
299	void *p;	398	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
300
301	if (ptr)
302	p = realloc(ptr, size);
303	else
304	p = malloc(size);
305	if (p)
306	return p;
307
308	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
309	rxvt_clean_exit();
310	exit(EXIT_FAILURE);
311	/* NOTREACHED */
312	}
313
314	/* ------------------------------------------------------------------------- *
315	* PRIVILEGED OPERATIONS *
316	* ------------------------------------------------------------------------- */
317	/* take care of suid/sgid super-user (root) privileges */
318	/* INTPROTO */
319	void
320	rxvt_privileges(pR_ int mode)
321	{
322	#if ! defined(__CYGWIN32__)
323	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
324	/* setreuid() is the poor man's setuid(), seteuid() */
325	# define seteuid(a) setreuid(-1, (a))
326	# define setegid(a) setregid(-1, (a))
327	# define HAVE_SETEUID
328	# endif
329	# ifdef HAVE_SETEUID
330	switch (mode) {
331	case IGNORE:
332	/*
333	* change effective uid/gid - not real uid/gid - so we can switch
334	* back to root later, as required
335	*/
336	seteuid(getuid());
337	setegid(getgid());
338	break;
339	case SAVE:
340	R->euid = geteuid();
341	R->egid = getegid();
342	break;
343	case RESTORE:
344	seteuid(R->euid);
345	setegid(R->egid);
346	break;
347	}	399	}
348	# else	400	if ((event->error_code == BadWindow) ||
349	switch (mode) {	401	(event->error_code == BadPixmap) ||
350	case IGNORE:	402	(event->error_code == BadCursor) ||
351	setuid(getuid());	403	(event->error_code == BadFont) ||
352	setgid(getgid());	404	(event->error_code == BadDrawable) ||
353	/* FALLTHROUGH */	405	(event->error_code == BadColor) ||
354	case SAVE:	406	(event->error_code == BadGC) ||
355	/* FALLTHROUGH */	407	(event->error_code == BadIDChoice) ||
356	case RESTORE:	408	(event->error_code == BadValue) ||
357	break;	409	(event->error_code == BadAtom)) {
358	}	410	if (event->error_code == BadValue)
359	# endif	411	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
360	#endif	412	mesg, BUFSIZ);
361	}	413	else if (event->error_code == BadAtom)
362		414	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
363	#ifdef UTMP_SUPPORT	415	mesg, BUFSIZ);
364	/* EXTPROTO */
365	void
366	rxvt_privileged_utmp(pR_ char action)
367	{
368	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
369	action, R->next_utmp_action, getpid()));
370	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
371	|| (R->Options & Opt_utmpInhibit)
372	|| R->ttydev == NULL || *R->ttydev == '\0')
373	return;
374
375	rxvt_privileges(aR_ RESTORE);
376	if (action == SAVE) {
377	R->next_utmp_action = RESTORE;
378	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
379	} else { /* action == RESTORE */
380	R->next_utmp_action = IGNORE;
381	rxvt_cleanutent(aR);
382	}
383	rxvt_privileges(aR_ IGNORE);
384	}
385	#endif
386
387	#ifndef NO_SETOWNER_TTYDEV
388	/* EXTPROTO */
389	void
390	rxvt_privileged_ttydev(pR_ char action)
391	{
392	D_MAIN((stderr,
393	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
394	action, R->next_tty_action, getpid()));
395	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
396	|| R->ttydev == NULL || *R->ttydev == '\0')
397	return;
398
399	rxvt_privileges(aR_ RESTORE);
400
401	if (action == SAVE) {
402	R->next_tty_action = RESTORE;
403	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
404	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
405	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
406	R->next_tty_action = IGNORE;
407	else	416	else
		417	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		418	mesg, BUFSIZ);
		419	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		420	}
		421	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		422	mesg, BUFSIZ);
		423	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		424	}
408	# endif	425	#endif
409	{	426
410	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	427	int
411	chmod(R->ttydev, R->ttymode);	428	rxvt_xerror_handler (Display *display, XErrorEvent *event)
412	# ifdef HAVE_REVOKE	429	{
413	revoke(R->ttydev);	430	if (GET_R->allowedxerror == -1)
		431	GET_R->allowedxerror = event->error_code;
		432	else
		433	{
		434	// GET_R is most likely not the terminal which caused the error,
		435	// so just output the error and continue
		436	#if ENABLE_MINIMAL
		437	old_xerror_handler (display, event);
		438	#else
		439	print_x_error (display, event);
414	# endif	440	#endif
415	}	441	}
416	} else { /* action == RESTORE */	442
417	R->next_tty_action = IGNORE;	443	return 0;
418	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	444	}
419	chmod(R->ttydev, R->ttyfd_stat.st_mode);	445
420	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);	446	int
421	# else	447	rxvt_xioerror_handler (Display *display)
422	chmod(R->ttydev,	448	{
423	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));	449	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
424	chown(R->ttydev, 0, 0);	450	DisplayString (display));
425	# endif	451	rxvt_emergency_cleanup ();
		452	_exit (EXIT_FAILURE);
		453	}
		454
		455	static struct sig_handlers
		456	{
		457	ev::sig sw_term, sw_int;
		458
		459	/*
		460	* Catch a fatal signal and tidy up before quitting
		461	*/
		462	void sig_term (ev::sig &w, int revents);
		463
		464	sig_handlers ()
		465	{
		466	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		467	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
426	}	468	}
		469	} sig_handlers;
427		470
428	rxvt_privileges(aR_ IGNORE);	471	void
429		472	sig_handlers::sig_term (ev::sig &w, int revents)
430	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	473	{
431	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	474	rxvt_emergency_cleanup ();
432	action == RESTORE ? "Restoring" : (action ==	475	w.stop ();
433	SAVE ? "Saving" :	476	kill (getpid (), w.signum);
434	"UNKNOWN ERROR for"), R->ttydev,
435	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
436	R->ttyfd_stat.st_gid));
437	# endif
438	}	477	}
439	#endif	478
		479	char **rxvt_environ; // startup environment
		480
		481	void
		482	rxvt_init ()
		483	{
		484	assert (("fontMask must not overlap other RS masks",
		485	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		486
		487	ptytty::init ();
		488
		489	if (!ev_default_loop (0))
		490	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		491
		492	rxvt_environ = environ;
		493
		494	signal (SIGHUP, SIG_IGN);
		495	signal (SIGPIPE, SIG_IGN);
		496
		497	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		498	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		499
		500	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		501	/* signal (SIGURG, SIG_DFL); */
		502
		503	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		504	// TODO: handle this with exceptions and tolerate the memory loss
		505	XSetIOErrorHandler (rxvt_xioerror_handler);
		506
		507	XrmInitialize ();
		508	}
440		509
441	/*----------------------------------------------------------------------*/	510	/*----------------------------------------------------------------------*/
442	/*	511	/*
443	* window size/position calculcations for XSizeHint and other storage.	512	* window size/position calculations for XSizeHint and other storage.
444	* if width/height are non-zero then override calculated width/height	513	* if width/height are non-zero then override calculated width/height
445	*/	514	*/
446	/* EXTPROTO */
447	void	515	void
448	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	516	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
449	{	517	{
450	short recalc_x, recalc_y;	518	short recalc_x, recalc_y;
451	int x, y, sb_w, mb_h, flags;	519	int x, y, flags;
452	unsigned int w, h;	520	unsigned int w, h;
453	unsigned int max_width, max_height;	521	unsigned int max_width, max_height;
454		522
455	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
456	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
457	R->szHint.height));
458	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	523	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
459	R->szHint.win_gravity = NorthWestGravity;	524	szHint.win_gravity = NorthWestGravity;
460	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	525	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
461		526
462	recalc_x = recalc_y = 0;	527	recalc_x = recalc_y = 0;
463	flags = 0;	528	flags = 0;
		529
464	if (!R->parsed_geometry) {	530	if (!parsed_geometry)
		531	{
465	R->parsed_geometry = 1;	532	parsed_geometry = 1;
		533
466	if (R->rs[Rs_geometry])	534	if (rs[Rs_geometry])
467	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	535	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		536
468	if (flags & WidthValue) {	537	if (flags & WidthValue)
469	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	538	{
		539	if (!w)
		540	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		541
		542	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
470	R->szHint.flags |= USSize;	543	szHint.flags |= USSize;
471	}	544	}
		545
472	if (flags & HeightValue) {	546	if (flags & HeightValue)
473	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	547	{
		548	if (!h)
		549	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		550
		551	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
474	R->szHint.flags |= USSize;	552	szHint.flags |= USSize;
475	}	553	}
		554
476	if (flags & XValue) {	555	if (flags & XValue)
		556	{
477	R->szHint.x = x;	557	szHint.x = x;
478	R->szHint.flags |= USPosition;	558	szHint.flags |= USPosition;
		559
479	if (flags & XNegative) {	560	if (flags & XNegative)
		561	{
480	recalc_x = 1;	562	recalc_x = 1;
481	R->szHint.win_gravity = NorthEastGravity;	563	szHint.win_gravity = NorthEastGravity;
482	}	564	}
483	}	565	}
		566
484	if (flags & YValue) {	567	if (flags & YValue)
		568	{
485	R->szHint.y = y;	569	szHint.y = y;
486	R->szHint.flags |= USPosition;	570	szHint.flags |= USPosition;
		571
487	if (flags & YNegative) {	572	if (flags & YNegative)
		573	{
488	recalc_y = 1;	574	recalc_y = 1;
		575
489	if (R->szHint.win_gravity == NorthEastGravity)	576	if (szHint.win_gravity == NorthEastGravity)
490	R->szHint.win_gravity = SouthEastGravity;	577	szHint.win_gravity = SouthEastGravity;
491	else	578	else
492	R->szHint.win_gravity = SouthWestGravity;	579	szHint.win_gravity = SouthWestGravity;
493	}	580	}
494	}	581	}
495	}	582	}
		583
496	/* TODO: BOUNDS */	584	/* TODO: BOUNDS */
497	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	585	width = ncol * fwidth;
498	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	586	height = nrow * fheight;
499	max_width = MAX_COLS * R->TermWin.fwidth;	587	max_width = MAX_COLS * fwidth;
500	max_height = MAX_ROWS * R->TermWin.fheight;	588	max_height = MAX_ROWS * fheight;
501		589
502	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	590	szHint.base_width = szHint.base_height = 2 * int_bwidth;
503		591
504	sb_w = mb_h = 0;
505	R->window_vt_x = R->window_vt_y = 0;	592	window_vt_x = window_vt_y = int_bwidth;
506	if (scrollbar_visible(R)) {	593
		594	if (scrollBar.state)
		595	{
507	sb_w = scrollbar_TotalWidth();	596	int sb_w = scrollBar.total_width ();
508	R->szHint.base_width += sb_w;	597	szHint.base_width += sb_w;
		598
509	if (!(R->Options & Opt_scrollBar_right))	599	if (!option (Opt_scrollBar_right))
510	R->window_vt_x = sb_w;	600	window_vt_x += sb_w;
511	}	601	}
512	if (menubar_visible(R)) {	602
513	mb_h = menuBar_TotalHeight();
514	R->szHint.base_height += mb_h;
515	R->window_vt_y = mb_h;
516	}
517	R->szHint.width_inc = R->TermWin.fwidth;	603	szHint.width_inc = fwidth;
518	R->szHint.height_inc = R->TermWin.fheight;	604	szHint.height_inc = fheight;
519	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	605	szHint.min_width = szHint.base_width + szHint.width_inc;
520	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	606	szHint.min_height = szHint.base_height + szHint.height_inc;
521		607
522	if (width && width - R->szHint.base_width < max_width) {	608	if (newwidth && newwidth - szHint.base_width < max_width)
		609	{
523	R->szHint.width = width;	610	szHint.width = newwidth;
524	R->TermWin.width = width - R->szHint.base_width;	611	width = newwidth - szHint.base_width;
525	} else {	612	}
526	MIN_IT(R->TermWin.width, max_width);	613	else
		614	{
		615	min_it (width, max_width);
527	R->szHint.width = R->szHint.base_width + R->TermWin.width;	616	szHint.width = szHint.base_width + width;
528	}	617	}
		618
529	if (height && height - R->szHint.base_height < max_height) {	619	if (newheight && newheight - szHint.base_height < max_height)
		620	{
530	R->szHint.height = height;	621	szHint.height = newheight;
531	R->TermWin.height = height - R->szHint.base_height;	622	height = newheight - szHint.base_height;
532	} else {	623	}
533	MIN_IT(R->TermWin.height, max_height);	624	else
		625	{
		626	min_it (height, max_height);
534	R->szHint.height = R->szHint.base_height + R->TermWin.height;	627	szHint.height = szHint.base_height + height;
535	}	628	}
536	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
537	R->window_sb_x = R->szHint.width - sb_w;
538		629
539	if (recalc_x)	630	if (recalc_x)
540	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	631	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
541	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	632
542	if (recalc_y)	633	if (recalc_y)
543	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	634	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
544	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
545		635
546	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	636	ncol = width / fwidth;
547	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	637	nrow = height / fheight;
548	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
549	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
550	R->szHint.height));
551	return;
552	}	638	}
553		639
554	/*----------------------------------------------------------------------*/	640	/*----------------------------------------------------------------------*/
555	/*	641	/*
556	* Tell the teletype handler what size the window is.	642	* Tell the teletype handler what size the window is.
557	* Called after a window size change.	643	* Called after a window size change.
558	*/	644	*/
559	/* EXTPROTO */
560	void	645	void
561	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	646	rxvt_term::tt_winch ()
562	{	647	{
		648	if (pty->pty < 0)
		649	return;
		650
563	struct winsize ws;	651	struct winsize ws;
564		652
565	if (fd < 0)
566	return;
567	ws.ws_col = col;	653	ws.ws_col = ncol;
568	ws.ws_row = row;	654	ws.ws_row = nrow;
569	ws.ws_xpixel = ws.ws_ypixel = 0;	655	ws.ws_xpixel = width;
570	#ifndef DEBUG_SIZE	656	ws.ws_ypixel = height;
571	(void)ioctl(fd, TIOCSWINSZ, &ws);	657	ioctl (pty->pty, TIOCSWINSZ, &ws);
572	#else	658
573	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	659	#if 0
574	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	660	// TIOCSWINSZ is supposed to do this automatically and correctly
575	}
576	# ifdef SIGWINCH
577	else if (pid) /* force through to the command */	661	if (cmd_pid) /* force through to the command */
578	kill(pid, SIGWINCH);	662	kill (-cmd_pid, SIGWINCH);
579	# endif
580	#endif	663	#endif
581	}	664	}
582		665
583	/*----------------------------------------------------------------------*/	666	/*----------------------------------------------------------------------*/
584	/* rxvt_change_font() - Switch to a new font */	667	/* set_fonts () - load and set the various fonts
585	/*	668	*
586	* init = 1 - initialize	669	* init = 1 - initialize
587	*	670	*
588	* fontname == FONT_UP - switch to bigger font	671	* fontname == FONT_UP - switch to bigger font
589	* fontname == FONT_DN - switch to smaller font	672	* fontname == FONT_DN - switch to smaller font
590	*/	673	*/
591	/* EXTPROTO */	674	bool
592	void	675	rxvt_term::set_fonts ()
593	rxvt_change_font(pR_ int init, const char *fontname)
594	{	676	{
595	}	677	rxvt_fontset *fs = new rxvt_fontset (this);
		678	rxvt_fontprop prop;
596		679
597	/* INTPROTO */	680	if (!fs
		681	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		682	|| !fs->realize_font (1))
		683	{
		684	delete fs;
		685	return false;
		686	}
		687
		688	#if ENABLE_STYLES
		689	for (int i = RS_styleCount; --i; )
		690	if (fontset[i] != fontset[0])
		691	delete fontset[i];
		692	#endif
		693
		694	delete fontset[0];
		695	fontset[0] = fs;
		696
		697	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		698	prop.height += lineSpace;
		699	prop.width += letterSpace;
		700
		701	fs->set_prop (prop, false);
		702
		703	fwidth = prop.width;
		704	fheight = prop.height;
		705	fbase = prop.ascent;
		706
		707	for (int style = 1; style < 4; style++)
		708	{
		709	#if ENABLE_STYLES
		710	const char *res = rs[Rs_font + style];
		711
		712	if (res && !*res)
		713	fontset[style] = fontset[0];
		714	else
		715	{
		716	fontset[style] = fs = new rxvt_fontset (this);
		717	rxvt_fontprop prop2 = prop;
		718
		719	if (res)
		720	{
		721	fs->populate (res);
		722	fs->set_prop (prop2, false);
		723	}
		724	else
		725	{
		726	fs->populate (fontset[0]->fontdesc);
		727
		728	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		729	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		730
		731	fs->set_prop (prop2, true);
		732	}
		733
		734	}
		735	#else
		736	fontset[style] = fontset[0];
		737	#endif
		738	}
		739
		740	if (parent[0])
		741	{
		742	resize_all_windows (0, 0, 0);
		743	scr_remap_chars ();
		744	scr_touch (true);
		745	}
		746
		747	return true;
		748	}
		749
598	void	750	void
599	rxvt_font_up_down(pR_ int n, int direction)	751	rxvt_term::set_string_property (Atom prop, const char *str, int len)
600	{	752	{
		753	XChangeProperty (dpy, parent[0],
		754	prop, XA_STRING, 8, PropModeReplace,
		755	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		756	}
		757
		758	void
		759	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		760	{
		761	wchar_t *ws = rxvt_mbstowcs (str, len);
		762	char *s = rxvt_wcstoutf8 (ws);
		763
		764	XChangeProperty (dpy, parent[0],
		765	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		766	(const unsigned char *)s, strlen (s));
		767
		768	free (s);
		769	free (ws);
601	}	770	}
602		771
603	/*----------------------------------------------------------------------*/	772	/*----------------------------------------------------------------------*/
604	/*----------------------------------------------------------------------*/	773	/*----------------------------------------------------------------------*/
605	/* xterm sequences - title, iconName, color (exptl) */	774	/* xterm sequences - title, iconName, color (exptl) */
606	/* EXTPROTO */
607	void	775	void
608	rxvt_set_title(pR_ const char *str)	776	rxvt_term::set_title (const char *str)
609	{	777	{
610	#ifndef SMART_WINDOW_TITLE	778	set_string_property (XA_WM_NAME, str);
611	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	779	#if ENABLE_EWMH
612	#else	780	set_utf8_property (xa[XA_NET_WM_NAME], str);
613	char *name;
614
615	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
616	name = NULL;
617	if (name == NULL || STRCMP(name, str))
618	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
619	if (name)
620	XFree(name);
621	#endif	781	#endif
622	}	782	}
623		783
624	/* EXTPROTO */
625	void	784	void
626	rxvt_set_iconName(pR_ const char *str)	785	rxvt_term::set_icon_name (const char *str)
627	{	786	{
628	#ifndef SMART_WINDOW_TITLE	787	set_string_property (XA_WM_ICON_NAME, str);
629	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	788	#if ENABLE_EWMH
630	#else	789	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
631	char *name;
632
633	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
634	name = NULL;
635	if (name == NULL || STRCMP(name, str))
636	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
637	if (name)
638	XFree(name);
639	#endif	790	#endif
640	}	791	}
641		792
		793	void
		794	rxvt_term::set_window_color (int idx, const char *color)
		795	{
642	#ifdef XTERM_COLOR_CHANGE	796	#ifdef XTERM_COLOR_CHANGE
643	/* EXTPROTO */
644	void
645	rxvt_set_window_color(pR_ int idx, const char *color)
646	{
647	rxvt_color xcol;	797	rxvt_color xcol;
648	int i;
649		798
650	if (color == NULL || *color == '\0')	799	if (color == NULL || *color == '\0')
651	return;	800	return;
652		801
		802	color = strdup (color);
		803	allocated.push_back ((void *)color);
		804	rs[Rs_color + idx] = color;
		805
653	/* handle color aliases */	806	/* handle color aliases */
654	if (isdigit(*color)) {	807	if (isdigit (*color))
		808	{
655	i = atoi(color);	809	int i = atoi (color);
656	if (i >= 8 && i <= 15) { /* bright colors */	810
657	i -= 8;	811	if (i >= 8 && i <= 15)
658	# ifndef NO_BRIGHTCOLOR	812	{
659	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	813	/* bright colors */
660	SET_PIXCOLOR(R, idx);	814	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
661	goto Done;	815	goto done;
662	# endif
663	}	816	}
664	if (i >= 0 && i <= 7) { /* normal colors */	817
665	R->PixColors[idx] = R->PixColors[minCOLOR + i];	818	if (i >= 0 && i <= 7)
666	SET_PIXCOLOR(R, idx);	819	{
		820	/* normal colors */
		821	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
667	goto Done;	822	goto done;
668	}	823	}
669	}	824	}
670	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
671	return;
672	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
673		825
674	/*	826	set_color (xcol, color);
		827
		828	/*
675	* FIXME: should free colors here, but no idea how to do it so instead,	829	* FIXME: should free colors here, but no idea how to do it so instead,
676	* so just keep gobbling up the colormap	830	* so just keep gobbling up the colormap
677	*/	831	*/
678	# if 0
679	for (i = Color_Black; i <= Color_White; i++)
680	if (R->PixColors[idx] == R->PixColors[i])
681	break;
682	if (i > Color_White) {
683	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
684	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
685	DisplayPlanes(R->Xdisplay, Xscreen));
686	}
687	# endif
688		832
689	R->PixColors[idx] = xcol;	833	pix_colors_focused[idx] = xcol;
690	SET_PIXCOLOR(R, idx);
691		834
692	/* XSetWindowAttributes attr; */	835	done:
693	/* Cursor cursor; */
694	Done:
695	if (idx == Color_bg && !(R->Options & Opt_transparent))
696	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
697	R->PixColors[Color_bg]);
698
699	/* handle Color_BD, scrollbar background, etc. */	836	/*TODO: handle Color_BD, scrollbar background, etc. */
700		837
701	rxvt_set_colorfgbg(aR);	838	update_fade_color (idx);
702	rxvt_recolour_cursor(aR);	839	recolour_cursor ();
703	/* the only reasonable way to enforce a clean update */	840	scr_recolour ();
704	rxvt_scr_poweron(aR);	841	#endif /* XTERM_COLOR_CHANGE */
705	}	842	}
706		843
707	#else
708	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
709	#endif /* XTERM_COLOR_CHANGE */
710
711	/* EXTPROTO */
712	void	844	void
713	rxvt_recolour_cursor(pR)	845	rxvt_term::recolour_cursor ()
714	{	846	{
715	rxvt_color xcol[2];	847	XColor fg, bg;
716		848
717	#if TODO	849	(ISSET_PIXCOLOR (Color_pointer_fg)
718	xcol[0] = R->PixColors[Color_pointer];	850	? pix_colors_focused[Color_pointer_fg]
719	xcol[1] = R->PixColors[Color_bg];	851	: pix_colors_focused[Color_fg]).get (fg);
720	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	852
721	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	853	(ISSET_PIXCOLOR (Color_pointer_bg)
722	#endif	854	? pix_colors_focused[Color_pointer_bg]
		855	: pix_colors_focused[Color_bg]).get (bg);
		856
		857	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
723	}	858	}
724		859
725	/*----------------------------------------------------------------------*/	860	/*----------------------------------------------------------------------*/
726	/*	861	/*
727	* find if fg/bg matches any of the normal (low-intensity) colors	862	* find if fg/bg matches any of the normal (low-intensity) colors
728	*/	863	*/
729	/* INTPROTO */
730	void	864	void
731	rxvt_set_colorfgbg(pR)	865	rxvt_term::set_colorfgbg ()
732	{	866	{
733	unsigned int i;	867	unsigned int i;
734	const char *xpmb = "\0";	868	const char *xpmb = "";
735	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	869	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
736		870
737	R->env_colorfgbg =	871	strcpy (fstr, "default");
738	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	872	strcpy (bstr, "default");
739	STRCPY(fstr, "default");
740	STRCPY(bstr, "default");
741	for (i = Color_Black; i <= Color_White; i++)	873	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[Color_fg] == R->PixColors[i]) {	874	if (pix_colors[Color_fg] == pix_colors[i])
		875	{
743	sprintf(fstr, "%d", (i - Color_Black));	876	sprintf (fstr, "%d", (i - Color_Black));
744	break;	877	break;
745	}	878	}
		879
746	for (i = Color_Black; i <= Color_White; i++)	880	for (i = Color_Black; i <= Color_White; i++)
747	if (R->PixColors[Color_bg] == R->PixColors[i]) {	881	if (pix_colors[Color_bg] == pix_colors[i])
		882	{
748	sprintf(bstr, "%d", (i - Color_Black));	883	sprintf (bstr, "%d", (i - Color_Black));
749	#ifdef XPM_BACKGROUND	884	#ifdef BG_IMAGE_FROM_FILE
750	xpmb = "default;";	885	xpmb = "default;";
751	#endif	886	#endif
752	break;	887	break;
753	}	888	}
		889
754	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	890	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
755	putenv(R->env_colorfgbg);
756
757	#ifndef NO_BRIGHTCOLOR
758	R->colorfgbg = DEFAULT_RSTYLE;
759	for (i = minCOLOR; i <= maxCOLOR; i++) {
760	if (R->PixColors[Color_fg] == R->PixColors[i])
761	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
762	if (R->PixColors[Color_bg] == R->PixColors[i])
763	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
764	}
765	#endif
766	}	891	}
767		892
768	/*----------------------------------------------------------------------*/	893	/*----------------------------------------------------------------------*/
769	/*
770	* Colour determination for low colour displays, routine from
771	* Hans de Goede <hans@highrise.nl>
772	*/
773		894
774	/* EXTPROTO */	895	bool
775	int	896	rxvt_term::set_color (rxvt_color &color, const char *name)
776	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
777	{	897	{
778	screen_in_out->set(aR_ colour);	898	if (color.set (this, name))
779
780	if (!screen_in_out->set(aR_ colour)) {
781	rxvt_print_error("can't allocate colour: %s", colour);
782	return false;
783	}
784
785	return true;	899	return true;
		900
		901	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		902	return false;
		903	}
		904
		905	void
		906	rxvt_term::alias_color (int dst, int src)
		907	{
		908	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
786	}	909	}
787		910
788	/* -------------------------------------------------------------------- *	911	/* -------------------------------------------------------------------- *
789	* - WINDOW RESIZING - *	912	* - WINDOW RESIZING - *
790	* -------------------------------------------------------------------- */	913	* -------------------------------------------------------------------- */
791	/* EXTPROTO */
792	void	914	void
793	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	915	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
794	int ignoreparent)
795	{	916	{
796	int fix_screen;	917	int fix_screen;
		918	int old_width = szHint.width;
		919	int old_height = szHint.height;
797		920
		921	window_calc (newwidth, newheight);
		922
		923	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		924
		925	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		926	if (set_hint)
		927	{
		928	szHint.flags &= ~(PBaseSize | PResizeInc);
		929	XSetWMNormalHints (dpy, parent[0], &szHint);
		930	szHint.flags |= PBaseSize | PResizeInc;
		931	}
		932
		933	if (!ignoreparent)
		934	{
798	#ifdef SMART_RESIZE	935	#ifdef SMART_RESIZE
799	int old_width = R->szHint.width, old_height = R->szHint.height;	936	/*
800	#endif
801
802	rxvt_window_calc(aR_ width, height);
803	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
804	if (!ignoreparent) {
805	#ifdef SMART_RESIZE
806	/*
807	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	937	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
808	* reposition window on resize depending on placement on screen	938	* reposition window on resize depending on placement on screen
809	*/	939	*/
810	int x, y, x1, y1;	940	int x, y, x1, y1;
811	int dx, dy;	941	int dx, dy;
812	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	942	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
813	Window unused_cr;	943	Window unused_cr;
814		944
815	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	945	XTranslateCoordinates (dpy, parent[0], display->root,
816	0, 0, &x, &y, &unused_cr);	946	0, 0, &x, &y, &unused_cr);
817	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	947	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
818	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	948	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
819	/*	949	/*
820	* if Xroot isn't the parent window, a WM will probably have offset	950	* if display->root isn't the parent window, a WM will probably have offset
821	* our position for handles and decorations. Counter it	951	* our position for handles and decorations. Counter it
822	*/	952	*/
823	if (x1 != x || y1 != y) {	953	if (x1 != x || y1 != y)
		954	{
824	x -= x1;	955	x -= x1;
825	y -= y1;	956	y -= y1;
826	}	957	}
827		958
828	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	959	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
829	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	960	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
830	dx = old_width - R->szHint.width;	961	dx = old_width - szHint.width;
831	dy = old_height - R->szHint.height;	962	dy = old_height - szHint.height;
832		963
833	/* Check position of the center of the window */	964	/* Check position of the center of the window */
834	if (x < x1) /* left half */	965	if (x < x1) /* left half */
835	dx = 0;	966	dx = 0;
836	else if (x == x1) /* exact center */	967	else if (x == x1) /* exact center */
837	dx /= 2;	968	dx /= 2;
838	if (y < y1) /* top half */	969	if (y < y1) /* top half */
839	dy = 0;	970	dy = 0;
840	else if (y == y1) /* exact center */	971	else if (y == y1) /* exact center */
841	dy /= 2;	972	dy /= 2;
842		973
843	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	974	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
844	R->szHint.width, R->szHint.height);	975	szHint.width, szHint.height);
845	#else	976	#else
846	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	977	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
847	R->szHint.height);
848	#endif	978	#endif
849	}	979	}
850		980
851	fix_screen = (R->TermWin.ncol != R->prev_ncol	981	if (set_hint)
852	|| R->TermWin.nrow != R->prev_nrow);	982	XSetWMNormalHints (dpy, parent[0], &szHint);
		983
		984	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		985
853	if (fix_screen || width != R->old_width || height != R->old_height) {	986	if (fix_screen || newwidth != old_width || newheight != old_height)
854	if (scrollbar_visible(R)) {
855	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
856	0, scrollbar_TotalWidth(), R->szHint.height);
857	rxvt_Resize_scrollBar(aR);
858	}
859	if (menubar_visible(R))
860	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
861	0, TermWin_TotalWidth(), menuBar_TotalHeight());
862	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
863	R->window_vt_y, TermWin_TotalWidth(),
864	TermWin_TotalHeight());
865	#ifdef RXVT_GRAPHICS
866	if (R->old_height)
867	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
868	R->old_height - R->szHint.base_height);
869	#endif
870	rxvt_scr_clear(aR);
871	#ifdef XPM_BACKGROUND
872	rxvt_resize_pixmap(aR);
873	#endif
874	}	987	{
		988	if (scrollBar.state)
		989	scrollBar.resize ();
875		990
		991	XMoveResizeWindow (dpy, vt,
		992	window_vt_x, window_vt_y,
		993	width, height);
		994
		995	#ifdef HAVE_BG_PIXMAP
		996	if (bgPixmap.window_size_sensitive ())
		997	update_background ();
		998	#endif
		999	}
		1000
876	if (fix_screen || R->old_height == 0) {	1001	if (fix_screen || old_height == 0)
877	int curr_screen = -1;	1002	scr_reset ();
878	uint16_t old_ncol = R->prev_ncol;
879		1003
880	/* scr_reset only works on the primary screen */	1004	#ifdef HAVE_BG_PIXMAP
881	if (R->old_height) /* this is not the first time through */	1005	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
882	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1006	// if (bgPixmap.pixmap)
883	rxvt_scr_reset(aR);	1007	// scr_touch (false);
884	if (curr_screen >= 0) { /* this is not the first time through */	1008	#endif
885	rxvt_scr_change_screen(aR_ curr_screen);
886	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
887	}
888	}
889
890	R->old_width = R->szHint.width;
891	R->old_height = R->szHint.height;
892		1009
893	#ifdef USE_XIM	1010	#ifdef USE_XIM
894	rxvt_IMSetStatusPosition(aR);	1011	IMSetPosition ();
895	#endif	1012	#endif
896	}	1013	}
897		1014
898	/*	1015	/*
899	* Set the width/height of the vt window in characters. Units are pixels.	1016	* Set the width/height of the vt window in characters. Units are pixels.
900	* good for toggling 80/132 columns	1017	* good for toggling 80/132 columns
901	*/	1018	*/
902	/* EXTPROTO */
903	void	1019	void
904	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1020	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
905	{	1021	{
906	XWindowAttributes wattr;	1022	XWindowAttributes wattr;
907		1023
908	if (width == 0 || height == 0) {	1024	if (newwidth == 0 || newheight == 0)
		1025	{
909	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1026	XGetWindowAttributes (dpy, display->root, &wattr);
		1027
910	if (width == 0)	1028	if (newwidth == 0)
911	width = wattr.width - R->szHint.base_width;	1029	newwidth = wattr.width - szHint.base_width;
912	if (height == 0)	1030	if (newheight == 0)
913	height = wattr.height - R->szHint.base_height;	1031	newheight = wattr.height - szHint.base_height;
		1032	}
		1033
		1034	if (newwidth != width || newheight != height)
914	}	1035	{
915	if (width != R->TermWin.width || height != R->TermWin.height) {
916	width += R->szHint.base_width;	1036	newwidth += szHint.base_width;
917	height += R->szHint.base_height;	1037	newheight += szHint.base_height;
918	rxvt_resize_all_windows(aR_ width, height, 0);	1038	resize_all_windows (newwidth, newheight, 0);
919	}	1039	}
920	}	1040	}
921		1041
922	/* -------------------------------------------------------------------- *	1042	/* -------------------------------------------------------------------- *
923	* - X INPUT METHOD ROUTINES - *	1043	* - X INPUT METHOD ROUTINES - *
924	* -------------------------------------------------------------------- */	1044	* -------------------------------------------------------------------- */
925	#ifdef USE_XIM	1045	#ifdef USE_XIM
926	/* INTPROTO */
927	void
928	rxvt_setSize(pR_ XRectangle * size)
929	{
930	size->x = R->TermWin.int_bwidth;
931	size->y = R->TermWin.int_bwidth;
932	size->width = Width2Pixel(R->TermWin.ncol);
933	size->height = Height2Pixel(R->TermWin.nrow);
934	}
935		1046
936	/* INTPROTO */
937	void	1047	void
938	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1048	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
939	{	1049	{
940	*fg = R->PixColors[Color_fg];	1050	fg = pix_colors [Color_fg];
941	*bg = R->PixColors[Color_bg];	1051	bg = pix_colors [Color_bg];
		1052	}
		1053
		1054	void
		1055	rxvt_term::im_set_size (XRectangle &size)
		1056	{
		1057	// the int_bwidth terms make no sense to me
		1058	size.x = int_bwidth;
		1059	size.y = int_bwidth;
		1060	size.width = Width2Pixel (ncol) + int_bwidth;
		1061	size.height = Height2Pixel (nrow) + int_bwidth;
		1062	}
		1063
		1064	void
		1065	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1066	XRectangle &status_rect,
		1067	const XRectangle &needed_rect)
		1068	{
		1069	preedit_rect.x = needed_rect.width;
		1070	preedit_rect.y = 0;
		1071	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1072	preedit_rect.height = fheight;
		1073
		1074	status_rect.x = 0;
		1075	status_rect.y = 0;
		1076	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1077	status_rect.height = fheight;
942	}	1078	}
943		1079
944	/* Checking whether input method is running. */	1080	/* Checking whether input method is running. */
945	/* INTPROTO */
946	Bool	1081	bool
947	rxvt_IMisRunning(pR)	1082	rxvt_term::IMisRunning ()
948	{	1083	{
949	char *p;	1084	Atom atom;
950	Atom atom;	1085	Window win;
951	Window win;
952	char server[IMBUFSIZ];	1086	char server[IMBUFSIZ];
953		1087
954	/* get current locale modifier */	1088	/* get current locale modifier */
955	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1089	if (char *p = XSetLocaleModifiers (0))
		1090	{
956	STRCPY(server, "@server=");	1091	strcpy (server, "@server=");
957	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1092	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1093
958	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1094	if (p = strchr (server + 1, '@')) /* first one only */
959	*p = '\0';	1095	*p = '\0';
960		1096
961	atom = XInternAtom(R->Xdisplay, server, False);	1097	atom = XInternAtom (dpy, server, False);
962	win = XGetSelectionOwner(R->Xdisplay, atom);	1098	win = XGetSelectionOwner (dpy, atom);
		1099
963	if (win != None)	1100	if (win != None)
964	return True;	1101	return True;
965	}	1102	}
		1103
966	return False;	1104	return False;
967	}	1105	}
968		1106
969	/* EXTPROTO */
970	void	1107	void
971	rxvt_IMSendSpot(pR)	1108	rxvt_term::IMSendSpot ()
972	{	1109	{
973	XPoint spot;	1110	XPoint nspot;
974	XVaNestedList preedit_attr;	1111	XVaNestedList preedit_attr;
975		1112
976	if (R->Input_Context == NULL	1113	if (!Input_Context
977	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1114	|| !focus
978	|| !(R->event_type == KeyPress	1115	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
979	|| R->event_type == Expose
980	|| R->event_type == NoExpose
981	|| R->event_type == SelectionNotify
982	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
983	|| !rxvt_IMisRunning(aR))
984	return;	1116	return;
985		1117
986	rxvt_setPosition(aR_ & spot);	1118	im_set_position (nspot);
987		1119
		1120	if (nspot.x == spot.x && nspot.y == spot.y)
		1121	return;
		1122
		1123	spot = nspot;
		1124
988	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1125	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
989	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1126	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
990	XFree(preedit_attr);	1127	XFree (preedit_attr);
991	}	1128	}
992		1129
993	/* EXTPROTO */
994	void	1130	void
995	rxvt_setTermFontSet(pR_ int idx)	1131	rxvt_term::im_destroy ()
996	{	1132	{
997	char *string;	1133	if (input_method)
998	long length;	1134	{
999	int success = 0;	1135	if (Input_Context && input_method->xim)
		1136	XDestroyIC (Input_Context);
1000		1137
1001	if (idx < 0 || idx >= MAX_NFONTS)	1138	display->put_xim (input_method);
1002	return;	1139	input_method = 0;
1003	}	1140	}
1004		1141
1005	/* INTPROTO */
1006	void
1007	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1008	XRectangle * needed_rect)
1009	{
1010	int mbh, vtx = 0;
1011
1012	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1013	vtx = scrollbar_TotalWidth();
1014	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1015	mbh -= R->TermWin.lineSpace;
1016
1017	preedit_rect->x = needed_rect->width + vtx;
1018	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1019
1020	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1021	+ vtx;
1022	preedit_rect->height = Height2Pixel(1);
1023
1024	status_rect->x = vtx;
1025	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1026
1027	status_rect->width = needed_rect->width ? needed_rect->width
1028	: Width2Pixel(R->TermWin.ncol + 1);
1029	status_rect->height = Height2Pixel(1);
1030	}
1031
1032	/* ARGSUSED */
1033	/* INTPROTO */
1034	void
1035	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1036	__attribute__ ((unused)), XPointer call_data
1037	__attribute__ ((unused)))
1038	{
1039	dR;
1040
1041	R->Input_Context = NULL;	1142	Input_Context = 0;
1042	/* To avoid Segmentation Fault in C locale: Solaris only? */
1043	if (STRCMP(R->locale, "C"))
1044	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1045	rxvt_IMInstantiateCallback, NULL);
1046	}	1143	}
1047		1144
1048	/*	1145	#ifdef ENABLE_XIM_ONTHESPOT
1049	* X manual pages and include files don't match on some systems:
1050	* some think this is an XIDProc and others an XIMProc so we can't
1051	* use the first argument - need to update this to be nice for
1052	* both types via some sort of configure detection
1053	*/
1054	/* ARGSUSED */
1055	/* EXTPROTO */
1056	void
1057	rxvt_IMInstantiateCallback(Display * unused
1058	__attribute__ ((unused)), XPointer client_data
1059	__attribute__ ((unused)), XPointer call_data
1060	__attribute__ ((unused)))
1061	{
1062	dR;
1063	int i, found, had_im;
1064	const char *p;
1065	char **s;
1066	char buf[IMBUFSIZ];
1067		1146
1068	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1147	static void
1069	if (R->Input_Context)	1148	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1070	return;	1149	{
		1150	((rxvt_term *)client_data)->make_current ();
		1151	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1152	}
1071		1153
1072	found = had_im = 0;	1154	static void
1073	p = R->rs[Rs_inputMethod];	1155	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1074	if (p && *p) {	1156	{
1075	had_im = 1;	1157	((rxvt_term *)client_data)->make_current ();
1076	s = rxvt_splitcommastring(p);	1158	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1077	for (i = 0; s[i]; i++) {	1159	}
1078	if (*s[i]) {	1160
1079	STRCPY(buf, "@im=");	1161	static void
1080	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1162	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1081	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1163	{
1082	&& (rxvt_IM_get_IC(aR) == True)) {	1164	rxvt_term *term = (rxvt_term *)client_data;
1083	found = 1;	1165	XIMText *text = call_data->text;
1084	break;	1166
1085	}	1167	term->make_current ();
1086	}	1168
		1169	if (text)
		1170	{
		1171	wchar_t *str;
		1172
		1173	if (!text->encoding_is_wchar && text->string.multi_byte)
		1174	{
		1175	// of course, X makes it ugly again
		1176	if (term->rs[Rs_imLocale])
		1177	SET_LOCALE (term->rs[Rs_imLocale]);
		1178
		1179	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1180	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1181
		1182	if (term->rs[Rs_imLocale])
		1183	SET_LOCALE (term->locale);
1087	}	1184	}
1088	for (i = 0; s[i]; i++)	1185	else
1089	free(s[i]);	1186	str = text->string.wide_char;
1090	free(s);
1091	}
1092	if (found)
1093	return;
1094		1187
1095	/* try with XMODIFIERS env. var. */	1188	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1096	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1189	DT_INT, call_data->caret,
1097	rxvt_IM_get_IC(aR);	1190	DT_INT, call_data->chg_first,
1098	return;	1191	DT_INT, call_data->chg_length,
		1192	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1193	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1194	DT_END));
1099	}	1195	}
1100		1196	else
1101	/* try with no modifiers base IF the user didn't specify an IM */	1197	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1102	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1198	DT_INT, call_data->caret,
1103	&& rxvt_IM_get_IC(aR) == True)	1199	DT_INT, call_data->chg_first,
1104	return;	1200	DT_INT, call_data->chg_length,
		1201	DT_END));
1105	}	1202	}
		1203
		1204	#if 0
		1205	static void
		1206	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1207	{
		1208	((rxvt_term *)client_data)->make_current ();
		1209	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1210	DT_INT, call_data->position,
		1211	DT_INT, call_data->direction,
		1212	DT_INT, call_data->style,
		1213	DT_END));
		1214	}
		1215	#endif
		1216
		1217	#endif
1106		1218
1107	/*	1219	/*
1108	* Try to open a XIM with the current modifiers, then see if we can	1220	* Try to open a XIM with the current modifiers, then see if we can
1109	* open a suitable preedit type	1221	* open a suitable preedit type
1110	*/	1222	*/
1111	/* INTPROTO */
1112	Bool	1223	bool
1113	rxvt_IM_get_IC(pR)	1224	rxvt_term::IM_get_IC (const char *modifiers)
1114	{	1225	{
1115	int i, j, found;	1226	int i, j, found;
1116	XIM xim;	1227	XIM xim;
1117	XPoint spot;	1228	XPoint spot;
1118	XRectangle rect, status_rect, needed_rect;	1229	XRectangle rect, status_rect, needed_rect;
1119	unsigned long fg, bg;	1230	unsigned long fg, bg;
1120	const char *p;	1231	const char *p;
1121	char **s;	1232	char **s;
1122	XIMStyles *xim_styles;	1233	XIMStyles *xim_styles;
1123	XVaNestedList preedit_attr, status_attr;	1234	#ifdef ENABLE_XIM_ONTHESPOT
1124	XIMCallback ximcallback;	1235	XIMCallback xcb[4];
		1236	#endif
1125		1237
1126	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1238	set_environ (envv);
1127	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1239
1128	if (xim == NULL)	1240	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1129	return False;	1241	return false;
1130		1242
		1243	input_method = display->get_xim (locale, modifiers);
		1244	if (input_method == NULL)
		1245	return false;
		1246
		1247	xim = input_method->xim;
		1248	spot.x = spot.y = -1;
		1249
1131	xim_styles = NULL;	1250	xim_styles = NULL;
1132	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1251	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1133	|| !xim_styles || !xim_styles->count_styles) {	1252	|| !xim_styles || !xim_styles->count_styles)
1134	XCloseIM(xim);	1253	{
		1254	im_destroy ();
1135	return False;	1255	return false;
		1256	}
		1257
		1258	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1259
		1260	for (int pi = 0; pi < 2; pi++)
1136	}	1261	{
		1262	p = pet[pi];
1137		1263
1138	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1264	if (!p)
1139	: "OverTheSpot,OffTheSpot,Root";	1265	continue;
		1266
1140	s = rxvt_splitcommastring(p);	1267	s = rxvt_splitcommastring (p);
		1268
1141	for (i = found = 0; !found && s[i]; i++) {	1269	for (i = found = 0; !found && s[i]; i++)
		1270	{
1142	if (!STRCMP(s[i], "OverTheSpot"))	1271	if (!strcmp (s[i], "OverTheSpot"))
1143	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1272	input_style = XIMPreeditPosition | XIMStatusNothing;
1144	else if (!STRCMP(s[i], "OffTheSpot"))	1273	else if (!strcmp (s[i], "OffTheSpot"))
1145	R->input_style = (XIMPreeditArea | XIMStatusArea);	1274	input_style = XIMPreeditArea | XIMStatusArea;
1146	else if (!STRCMP(s[i], "Root"))	1275	else if (!strcmp (s[i], "Root"))
1147	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1276	input_style = XIMPreeditNothing | XIMStatusNothing;
		1277	else if (!strcmp (s[i], "None"))
		1278	input_style = XIMPreeditNone | XIMStatusNone;
		1279	#ifdef ENABLE_XIM_ONTHESPOT
		1280	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1281	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1282	#endif
		1283	else
		1284	input_style = XIMPreeditNothing | XIMStatusNothing;
1148		1285
1149	for (j = 0; j < xim_styles->count_styles; j++)	1286	for (j = 0; j < xim_styles->count_styles; j++)
1150	if (R->input_style == xim_styles->supported_styles[j]) {	1287	if (input_style == xim_styles->supported_styles[j])
		1288	{
		1289	rxvt_freecommastring (s);
		1290
1151	found = 1;	1291	found = 1;
		1292	goto foundpet;
		1293	}
		1294
		1295	}
		1296
		1297	rxvt_freecommastring (s);
		1298	}
		1299
		1300	foundpet:
		1301
		1302	XFree (xim_styles);
		1303
		1304	if (!found)
		1305	{
		1306	im_destroy ();
		1307	return false;
		1308	}
		1309
		1310	XFontSet fs = 0;
		1311	XVaNestedList preedit_attr = 0, status_attr = 0;
		1312
		1313	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1314	{
		1315	// fake us a font-set, please
		1316	char **missing_charset_list;
		1317	int missing_charset_count;
		1318	char *def_string;
		1319	char pat[512];
		1320
		1321	sprintf (pat,
		1322	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1323	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1324	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1325	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1326	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1327	"*",
		1328	fheight,
		1329	fheight + 1, fheight - 1,
		1330	fheight - 2, fheight + 2);
		1331
		1332	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1333	&missing_charset_list, &missing_charset_count, &def_string);
		1334
		1335	if (missing_charset_list)
		1336	XFreeStringList (missing_charset_list);
		1337
		1338	if (!fs)
		1339	{
		1340	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1341	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1342	}
		1343	}
		1344
		1345	if (input_style & XIMPreeditPosition)
		1346	{
		1347	im_set_size (rect);
		1348	im_set_position (spot);
		1349	im_set_color (fg, bg);
		1350
		1351	preedit_attr = XVaCreateNestedList (0,
		1352	XNForeground, fg,
		1353	XNBackground, bg,
		1354	XNArea, &rect,
		1355	XNSpotLocation, &spot,
		1356	XNFontSet, fs,
		1357	NULL);
		1358	}
		1359	else if (input_style & XIMPreeditArea)
		1360	{
		1361	im_set_color (fg, bg);
		1362
		1363	/*
		1364	* The necessary width of preedit area is unknown
		1365	* until create input context.
		1366	*/
		1367	needed_rect.width = 0;
		1368	im_set_preedit_area (rect, status_rect, needed_rect);
		1369
		1370	preedit_attr = XVaCreateNestedList (0,
		1371	XNForeground, fg,
		1372	XNBackground, bg,
		1373	XNArea, &rect,
		1374	XNFontSet, fs,
		1375	NULL);
		1376	status_attr = XVaCreateNestedList (0,
		1377	XNForeground, fg,
		1378	XNBackground, bg,
		1379	XNArea, &status_rect,
		1380	XNFontSet, fs,
		1381	NULL);
		1382	}
		1383	#if ENABLE_XIM_ONTHESPOT
		1384	else if (input_style & XIMPreeditCallbacks)
		1385	{
		1386	im_set_position (spot);
		1387
		1388	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1389	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1390	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1391	# if 0
		1392	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1393	# endif
		1394
		1395	preedit_attr = XVaCreateNestedList (0,
		1396	XNSpotLocation, &spot,
		1397	XNPreeditStartCallback, &xcb[0],
		1398	XNPreeditDoneCallback , &xcb[1],
		1399	XNPreeditDrawCallback , &xcb[2],
		1400	# if 0
		1401	XNPreeditCaretCallback, &xcb[3],
		1402	# endif
		1403	NULL);
		1404	}
		1405	#endif
		1406
		1407	Input_Context = XCreateIC (xim,
		1408	XNInputStyle, input_style,
		1409	XNClientWindow, vt,
		1410	XNFocusWindow, parent[0],
		1411	preedit_attr ? XNPreeditAttributes : NULL,
		1412	preedit_attr,
		1413	status_attr ? XNStatusAttributes : NULL,
		1414	status_attr, NULL);
		1415
		1416	if (preedit_attr) XFree (preedit_attr);
		1417	if (status_attr) XFree (status_attr);
		1418	if (fs) XFreeFontSet (dpy, fs);
		1419
		1420	if (Input_Context == NULL)
		1421	{
		1422	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1423	im_destroy ();
		1424	return false;
		1425	}
		1426
		1427	#if 0
		1428	// unfortunately, only the focus window is used by XIM, hard to fix
		1429	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1430	vt_select_input ();
		1431	#endif
		1432
		1433	IMSetPosition ();
		1434
		1435	return true;
		1436	}
		1437
		1438	void
		1439	rxvt_term::im_cb ()
		1440	{
		1441	int i;
		1442	const char *p;
		1443	char **s;
		1444	char buf[IMBUFSIZ];
		1445
		1446	make_current ();
		1447
		1448	im_destroy ();
		1449
		1450	if (Input_Context)
		1451	return;
		1452
		1453	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1454	if (rs[Rs_imLocale])
		1455	SET_LOCALE (rs[Rs_imLocale]);
		1456	#endif
		1457
		1458	p = rs[Rs_inputMethod];
		1459	if (p && *p)
		1460	{
		1461	bool found = false;
		1462
		1463	s = rxvt_splitcommastring (p);
		1464
		1465	for (i = 0; s[i]; i++)
		1466	{
		1467	if (*s[i])
		1468	{
		1469	strcpy (buf, "@im=");
		1470	strncat (buf, s[i], IMBUFSIZ - 5);
		1471	if (IM_get_IC (buf))
		1472	{
		1473	found = true;
1152	break;	1474	break;
		1475	}
1153	}	1476	}
1154	}	1477	}
1155	for (i = 0; s[i]; i++)
1156	free(s[i]);
1157	free(s);
1158	XFree(xim_styles);
1159		1478
		1479	rxvt_freecommastring (s);
		1480
1160	if (!found) {	1481	if (found)
1161	XCloseIM(xim);	1482	goto done;
1162	return False;
1163	}	1483	}
1164		1484
1165	ximcallback.callback = rxvt_IMDestroyCallback;	1485	/* try with XMODIFIERS env. var. */
		1486	if (IM_get_IC (""))
		1487	goto done;
1166		1488
1167	/* XXX: not sure why we need this (as well as IC one below) */	1489	/* try with no modifiers base IF the user didn't specify an IM */
1168	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1490	if (IM_get_IC ("@im=none"))
		1491	goto done;
1169		1492
1170	preedit_attr = status_attr = NULL;	1493	done:
1171		1494	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1172	if (R->input_style & XIMPreeditPosition) {	1495	if (rs[Rs_imLocale])
1173	rxvt_setSize(aR_ & rect);	1496	SET_LOCALE (locale);
1174	rxvt_setPosition(aR_ & spot);	1497	#endif
1175	rxvt_setColor(aR_ & fg, &bg);
1176
1177	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1178	XNSpotLocation, &spot,
1179	XNForeground, fg, XNBackground, bg,
1180	//XNFontSet, R->TermWin.fontset,
1181	NULL);
1182	} else if (R->input_style & XIMPreeditArea) {
1183	rxvt_setColor(aR_ & fg, &bg);
1184
1185	/*
1186	* The necessary width of preedit area is unknown
1187	* until create input context.
1188	*/
1189	needed_rect.width = 0;
1190
1191	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1192
1193	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1194	XNForeground, fg, XNBackground, bg,
1195	//XNFontSet, R->TermWin.fontset,
1196	NULL);
1197	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1198	XNForeground, fg, XNBackground, bg,
1199	//XNFontSet, R->TermWin.fontset,
1200	NULL);
1201	}
1202	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1203	XNClientWindow, R->TermWin.parent[0],
1204	XNFocusWindow, R->TermWin.parent[0],
1205	XNDestroyCallback, &ximcallback,
1206	preedit_attr ? XNPreeditAttributes : NULL,
1207	preedit_attr,
1208	status_attr ? XNStatusAttributes : NULL,
1209	status_attr, NULL);
1210	if (preedit_attr)
1211	XFree(preedit_attr);
1212	if (status_attr)
1213	XFree(status_attr);
1214	if (R->Input_Context == NULL) {
1215	rxvt_print_error("failed to create input context");
1216	XCloseIM(xim);
1217	return False;
1218	}
1219	if (R->input_style & XIMPreeditArea)
1220	rxvt_IMSetStatusPosition(aR);
1221	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1222	return True;
1223	}	1498	}
1224		1499
1225	/* EXTPROTO */
1226	void	1500	void
1227	rxvt_IMSetStatusPosition(pR)	1501	rxvt_term::IMSetPosition ()
1228	{	1502	{
1229	XRectangle preedit_rect, status_rect, *needed_rect;	1503	XRectangle preedit_rect, status_rect, *needed_rect;
1230	XVaNestedList preedit_attr, status_attr;	1504	XVaNestedList preedit_attr, status_attr;
1231		1505
1232	if (R->Input_Context == NULL	1506	if (!Input_Context
1233	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1507	|| !focus
		1508	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1234	|| !rxvt_IMisRunning(aR))	1509	|| !IMisRunning ())
1235	return;	1510	return;
1236		1511
		1512	if (input_style & XIMPreeditPosition)
		1513	{
		1514	im_set_size (preedit_rect);
		1515	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1516
		1517	XSetICValues (Input_Context,
		1518	XNPreeditAttributes, preedit_attr, NULL);
		1519	}
		1520	else
		1521	{
1237	/* Getting the necessary width of preedit area */	1522	/* Getting the necessary width of preedit area */
1238	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1523	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1239	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1524	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1240	XFree(status_attr);	1525	XFree (status_attr);
1241		1526
1242	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1527	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1528	XFree (needed_rect);
1243		1529
1244	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1530	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1245	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1531	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1246		1532
1247	XSetICValues(R->Input_Context,	1533	XSetICValues (Input_Context,
1248	XNPreeditAttributes, preedit_attr,	1534	XNPreeditAttributes, preedit_attr,
1249	XNStatusAttributes, status_attr, NULL);	1535	XNStatusAttributes, status_attr,
		1536	NULL);
1250		1537
		1538	XFree (status_attr);
		1539	}
		1540
1251	XFree(preedit_attr);	1541	XFree (preedit_attr);
1252	XFree(status_attr);
1253	}	1542	}
1254	#endif /* USE_XIM */	1543	#endif /* USE_XIM */
1255		1544
1256	/*----------------------------------------------------------------------*/	1545	void
1257	rxvt_t rxvt_current_term;	1546	rxvt_term::get_window_origin (int &x, int &y)
		1547	{
		1548	Window cr;
		1549	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1550	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1551	}
		1552
		1553	Pixmap
		1554	rxvt_term::get_pixmap_property (int prop_id)
		1555	{
		1556	if (prop_id > 0 && prop_id < NUM_XA)
		1557	if (xa[prop_id])
		1558	{
		1559	int aformat;
		1560	unsigned long nitems, bytes_after;
		1561	Atom atype;
		1562	unsigned char *prop = NULL;
		1563	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1564	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1565	&nitems, &bytes_after, &prop);
		1566	if (result == Success && prop && atype == XA_PIXMAP)
		1567	return *(Pixmap *)prop;
		1568	}
		1569
		1570	return None;
		1571	}
		1572
		1573	#ifdef HAVE_BG_PIXMAP
		1574	# if TRACE_PIXMAPS
		1575	# undef update_background
		1576	void
		1577	rxvt_term::trace_update_background (const char *file, int line)
		1578	{
		1579	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1580	update_background ();
		1581	}
		1582	# endif
		1583
		1584	void
		1585	rxvt_term::update_background ()
		1586	{
		1587	if (update_background_ev.is_active ())
		1588	return;
		1589
		1590	bgPixmap.invalidate ();
		1591
		1592	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1593
		1594	if (to_wait <= 0.)
		1595	bgPixmap.render ();
		1596	else
		1597	update_background_ev.start (to_wait);
		1598	}
		1599
		1600	void
		1601	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1602	{
		1603	make_current ();
		1604
		1605	update_background_ev.stop ();
		1606	bgPixmap.render ();
		1607	refresh_check ();
		1608	}
		1609
		1610	#endif /* HAVE_BG_PIXMAP */
1258		1611
1259	/*----------------------- end-of-file (C source) -----------------------*/	1612	/*----------------------- end-of-file (C source) -----------------------*/

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