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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.4 by pcg, Tue Nov 25 15:25:17 2003 UTC vs.
Revision 1.327 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 1.4 2003/11/25 15:25:17 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2008 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
		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),
64	x_ev (this, &rxvt_term::x_cb)
65	{	156	{
		157	#if HAVE_BG_PIXMAP
		158	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		159	#endif
		160	#ifdef CURSOR_BLINK
		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),
		181	#endif
		182	#ifdef POINTER_BLANK
		183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
		184	#endif
		185	#ifndef NO_BELL
		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
66	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;
67	}	215	}
68		216
69	rxvt_term::~rxvt_term ()	217	rxvt_term::~rxvt_term ()
70	{	218	{
71	delete PixColors;	219	termlist.erase (find (termlist.begin (), termlist.end(), this));
72	}
73		220
74	/*----------------------------------------------------------------------*/	221	emergency_cleanup ();
75	/* rxvt_init() */
76	/* LIBPROTO */
77	rxvt_t
78	rxvt_init(int argc, const char *const *argv)
79	{
80	SET_R(new rxvt_term);
81	dR;
82		222
83	if (!R->init_vars () || !R->init (argc, argv))	223	#if ENABLE_STYLES
84	{	224	for (int i = RS_styleCount; --i; )
85	delete R;	225	if (fontset[i] != fontset[0])
86	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)
87	}	241	{
		242	selection_clear ();
		243	selection_clear (true);
88		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 ())
89	return R;	313	return;
90	}
91		314
92	bool	315	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
93	rxvt_term::init (int argc, const char *const *argv)
94	{
95	dR;//TODO (scrollbar, setidle)
96		316
97	/*	317	#if ENABLE_OVERLAY
98	* Save and then give up any super-user privileges	318	scr_overlay_off ();
99	* If we need privileges in any area then we must specifically request it.
100	* We should only need to be root in these cases:
101	* 1. write utmp entries on some systems
102	* 2. chown tty on some systems
103	*/
104	rxvt_privileges (this, SAVE);
105	rxvt_privileges (this, IGNORE);
106
107	rxvt_init_secondary (this);
108
109	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
110
111	#if (MENUBAR_MAX)
112	rxvt_menubar_read (this, rs[Rs_menu]);
113	#endif	319	#endif
114	#ifdef HAVE_SCROLLBARS
115	if (Options & Opt_scrollBar)
116	scrollbar_setIdle (); /* set existence for size calculations */
117	#endif
118		320
119	rxvt_Create_Windows (this, argc, argv);	321	if (display)
120
121	rxvt_init_xlocale (this);
122
123	rxvt_scr_reset (this); /* initialize screen */
124	#ifdef RXVT_GRAPHICS
125	rxvt_Gr_reset (this); /* reset graphics */
126	#endif
127
128	#if 0
129	#ifdef DEBUG_X
130	XSynchronize(Xdisplay, True);
131	XSetErrorHandler((XErrorHandler) abort);
132	#else
133	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
134	#endif
135	#endif
136
137	#ifdef HAVE_SCROLLBARS
138	if (Options & Opt_scrollBar)
139	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
140	#endif
141	#if (MENUBAR_MAX)
142	if (menubar_visible(r))
143	XMapWindow (Xdisplay, menuBar.win);
144	#endif
145	#ifdef TRANSPARENT
146	if (Options & Opt_transparent)
147	{
148	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
149	rxvt_check_our_parents (this);
150	}	322	{
		323	#if USE_XIM
		324	im_ev.stop (display);
151	#endif	325	#endif
152	XMapWindow (Xdisplay, TermWin.vt);	326	scrollbar_ev.stop (display);
153	XMapWindow (Xdisplay, TermWin.parent[0]);	327	#if ENABLE_TRANSPARENCY || ENABLE_PERL
154		328	rootwin_ev.stop (display);
155	rxvt_init_env (this);
156	rxvt_init_command (this, cmd_argv);
157
158	x_ev.start (Xfd, EVENT_READ);
159	pty_ev.start (cmd_fd, EVENT_READ);
160
161	return true;
162	}
163
164	/* ------------------------------------------------------------------------- *
165	* SIGNAL HANDLING & EXIT HANDLER *
166	* ------------------------------------------------------------------------- */
167	/*
168	* Catch a SIGCHLD signal and exit if the direct child has died
169	*/
170	/* ARGSUSED */
171	/* EXTPROTO */
172	RETSIGTYPE
173	rxvt_Child_signal(int sig __attribute__ ((unused)))
174	{
175	dR;
176	int pid, save_errno = errno;
177
178	do {
179	errno = 0;
180	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
181
182	if (pid == R->cmd_pid)
183	exit(EXIT_SUCCESS);
184
185	errno = save_errno;
186	signal(SIGCHLD, rxvt_Child_signal);
187	}
188
189	/*
190	* Catch a fatal signal and tidy up before quitting
191	*/
192	/* EXTPROTO */
193	RETSIGTYPE
194	rxvt_Exit_signal(int sig)
195	{
196	signal(sig, SIG_DFL);
197	#ifdef DEBUG_CMD
198	rxvt_print_error("signal %d", sig);
199	#endif	329	#endif
200	rxvt_clean_exit();	330	incr_ev.stop ();
201	kill(getpid(), sig);	331	termwin_ev.stop (display);
202	}	332	vt_ev.stop (display);
203
204	/* ARGSUSED */
205	/* INTPROTO */
206	int
207	rxvt_xerror_handler(const Display * display
208	__attribute__ ((unused)), const XErrorEvent * event)
209	{
210	dR;
211
212	if (R->allowedxerror == -1) {
213	R->allowedxerror = event->error_code;
214	return 0; /* ignored anyway */
215	}	333	}
216	rxvt_print_error("XError: Request: %d . %d, Error: %d",	334
217	event->request_code, event->minor_code,	335	flush_ev.stop ();
218	event->error_code);	336	pty_ev.stop ();
219	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	337	#ifdef CURSOR_BLINK
220	exit(EXIT_FAILURE);	338	cursor_blink_ev.stop ();
221	/* 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;
222	}	362	}
223		363
224	/*----------------------------------------------------------------------*/	364	/*----------------------------------------------------------------------*/
225	/*	365	/*
226	* Exit gracefully, clearing the utmp entry and restoring tty attributes	366	* Exit gracefully, clearing the utmp entry and restoring tty attributes
227	* 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
228	*/	368	*/
229	/* EXTPROTO */	369	static XErrorHandler old_xerror_handler;
230	void
231	rxvt_clean_exit(void)
232	{
233	dR;
234		370
235	#ifdef DEBUG_SCREEN	371	static void
236	rxvt_scr_release(aR);	372	rxvt_emergency_cleanup ()
237	#endif
238	#ifndef NO_SETOWNER_TTYDEV
239	rxvt_privileged_ttydev(aR_ RESTORE);
240	#endif
241	#ifdef UTMP_SUPPORT
242	rxvt_privileged_utmp(aR_ RESTORE);
243	#endif
244	#ifdef USE_XIM
245	if (R->Input_Context != NULL) {
246	XDestroyIC(R->Input_Context);
247	R->Input_Context = NULL;
248	}
249	#endif
250	}
251
252	/* ------------------------------------------------------------------------- *
253	* MEMORY ALLOCATION WRAPPERS *
254	* ------------------------------------------------------------------------- */
255	/* EXTPROTO */
256	void *
257	rxvt_malloc(size_t size)
258	{	373	{
259	void *p;	374	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
260		375	(*t)->emergency_cleanup ();
261	p = malloc(size);
262	if (p)
263	return p;
264
265	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
266	rxvt_clean_exit();
267	exit(EXIT_FAILURE);
268	/* NOTREACHED */
269	}	376	}
270		377
271	/* EXTPROTO */	378	#if !ENABLE_MINIMAL
272	void *	379	static void
273	rxvt_calloc(size_t number, size_t size)	380	print_x_error (Display *dpy, XErrorEvent *event)
274	{	381	{
275	void *p;	382	char buffer[BUFSIZ];
276		383	char mesg[BUFSIZ];
277	p = calloc(number, size);	384	char number[32];
278	if (p)	385	char *mtype = "XlibMessage";
279	return p;	386	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
280		387	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
281	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	388	rxvt_warn ("An X Error occured, trying to continue after report.\n");
282	rxvt_clean_exit();	389	rxvt_warn ("%s: %s\n", mesg, buffer);
283	exit(EXIT_FAILURE);	390	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
284	/* NOTREACHED */	391	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
285	}	392	sprintf(number, "%d", event->request_code);
286		393	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
287	/* EXTPROTO */	394	rxvt_warn ("(which is %s)\n", buffer);
288	void *	395	if (event->request_code >= 128) {
289	rxvt_realloc(void *ptr, size_t size)	396	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
290	{	397	mesg, BUFSIZ);
291	void *p;	398	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
292
293	if (ptr)
294	p = realloc(ptr, size);
295	else
296	p = malloc(size);
297	if (p)
298	return p;
299
300	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
301	rxvt_clean_exit();
302	exit(EXIT_FAILURE);
303	/* NOTREACHED */
304	}
305
306	/* ------------------------------------------------------------------------- *
307	* PRIVILEGED OPERATIONS *
308	* ------------------------------------------------------------------------- */
309	/* take care of suid/sgid super-user (root) privileges */
310	/* INTPROTO */
311	void
312	rxvt_privileges(pR_ int mode)
313	{
314	#if ! defined(__CYGWIN32__)
315	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
316	/* setreuid() is the poor man's setuid(), seteuid() */
317	# define seteuid(a) setreuid(-1, (a))
318	# define setegid(a) setregid(-1, (a))
319	# define HAVE_SETEUID
320	# endif
321	# ifdef HAVE_SETEUID
322	switch (mode) {
323	case IGNORE:
324	/*
325	* change effective uid/gid - not real uid/gid - so we can switch
326	* back to root later, as required
327	*/
328	seteuid(getuid());
329	setegid(getgid());
330	break;
331	case SAVE:
332	R->euid = geteuid();
333	R->egid = getegid();
334	break;
335	case RESTORE:
336	seteuid(R->euid);
337	setegid(R->egid);
338	break;
339	}	399	}
340	# else	400	if ((event->error_code == BadWindow) ||
341	switch (mode) {	401	(event->error_code == BadPixmap) ||
342	case IGNORE:	402	(event->error_code == BadCursor) ||
343	setuid(getuid());	403	(event->error_code == BadFont) ||
344	setgid(getgid());	404	(event->error_code == BadDrawable) ||
345	/* FALLTHROUGH */	405	(event->error_code == BadColor) ||
346	case SAVE:	406	(event->error_code == BadGC) ||
347	/* FALLTHROUGH */	407	(event->error_code == BadIDChoice) ||
348	case RESTORE:	408	(event->error_code == BadValue) ||
349	break;	409	(event->error_code == BadAtom)) {
350	}	410	if (event->error_code == BadValue)
351	# endif	411	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
352	#endif	412	mesg, BUFSIZ);
353	}	413	else if (event->error_code == BadAtom)
354		414	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
355	#ifdef UTMP_SUPPORT	415	mesg, BUFSIZ);
356	/* EXTPROTO */
357	void
358	rxvt_privileged_utmp(pR_ char action)
359	{
360	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
361	action, R->next_utmp_action, getpid()));
362	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
363	|| (R->Options & Opt_utmpInhibit)
364	|| R->ttydev == NULL || *R->ttydev == '\0')
365	return;
366
367	rxvt_privileges(aR_ RESTORE);
368	if (action == SAVE) {
369	R->next_utmp_action = RESTORE;
370	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
371	} else { /* action == RESTORE */
372	R->next_utmp_action = IGNORE;
373	rxvt_cleanutent(aR);
374	}
375	rxvt_privileges(aR_ IGNORE);
376	}
377	#endif
378
379	#ifndef NO_SETOWNER_TTYDEV
380	/* EXTPROTO */
381	void
382	rxvt_privileged_ttydev(pR_ char action)
383	{
384	D_MAIN((stderr,
385	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
386	action, R->next_tty_action, getpid()));
387	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
388	|| R->ttydev == NULL || *R->ttydev == '\0')
389	return;
390
391	rxvt_privileges(aR_ RESTORE);
392
393	if (action == SAVE) {
394	R->next_tty_action = RESTORE;
395	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
396	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
397	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
398	R->next_tty_action = IGNORE;
399	else	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	}
400	# endif	425	#endif
401	{	426
402	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	427	int
403	chmod(R->ttydev, R->ttymode);	428	rxvt_xerror_handler (Display *display, XErrorEvent *event)
404	# ifdef HAVE_REVOKE	429	{
405	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);
406	# endif	440	#endif
407	}	441	}
408	} else { /* action == RESTORE */	442
409	R->next_tty_action = IGNORE;	443	return 0;
410	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	444	}
411	chmod(R->ttydev, R->ttyfd_stat.st_mode);	445
412	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);	446	int
413	# else	447	rxvt_xioerror_handler (Display *display)
414	chmod(R->ttydev,	448	{
415	(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",
416	chown(R->ttydev, 0, 0);	450	DisplayString (display));
417	# 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);
418	}	468	}
		469	} sig_handlers;
419		470
420	rxvt_privileges(aR_ IGNORE);	471	void
421		472	sig_handlers::sig_term (ev::sig &w, int revents)
422	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	473	{
423	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	474	rxvt_emergency_cleanup ();
424	action == RESTORE ? "Restoring" : (action ==	475	w.stop ();
425	SAVE ? "Saving" :	476	kill (getpid (), w.signum);
426	"UNKNOWN ERROR for"), R->ttydev,
427	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
428	R->ttyfd_stat.st_gid));
429	# endif
430	}	477	}
431	#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	}
432		509
433	/*----------------------------------------------------------------------*/	510	/*----------------------------------------------------------------------*/
434	/*	511	/*
435	* window size/position calculcations for XSizeHint and other storage.	512	* window size/position calculations for XSizeHint and other storage.
436	* if width/height are non-zero then override calculated width/height	513	* if width/height are non-zero then override calculated width/height
437	*/	514	*/
438	/* EXTPROTO */
439	void	515	void
440	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	516	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
441	{	517	{
442	short recalc_x, recalc_y;	518	short recalc_x, recalc_y;
443	int x, y, sb_w, mb_h, flags;	519	int x, y, flags;
444	unsigned int w, h;	520	unsigned int w, h;
445	unsigned int max_width, max_height;	521	unsigned int max_width, max_height;
446		522
447	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
448	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
449	R->szHint.height));
450	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	523	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
451	R->szHint.win_gravity = NorthWestGravity;	524	szHint.win_gravity = NorthWestGravity;
452	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	525	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
453		526
454	recalc_x = recalc_y = 0;	527	recalc_x = recalc_y = 0;
455	flags = 0;	528	flags = 0;
		529
456	if (!R->parsed_geometry) {	530	if (!parsed_geometry)
		531	{
457	R->parsed_geometry = 1;	532	parsed_geometry = 1;
		533
458	if (R->rs[Rs_geometry])	534	if (rs[Rs_geometry])
459	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	535	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		536
460	if (flags & WidthValue) {	537	if (flags & WidthValue)
461	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 ());
462	R->szHint.flags |= USSize;	543	szHint.flags |= USSize;
463	}	544	}
		545
464	if (flags & HeightValue) {	546	if (flags & HeightValue)
465	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 ());
466	R->szHint.flags |= USSize;	552	szHint.flags |= USSize;
467	}	553	}
		554
468	if (flags & XValue) {	555	if (flags & XValue)
		556	{
469	R->szHint.x = x;	557	szHint.x = x;
470	R->szHint.flags |= USPosition;	558	szHint.flags |= USPosition;
		559
471	if (flags & XNegative) {	560	if (flags & XNegative)
		561	{
472	recalc_x = 1;	562	recalc_x = 1;
473	R->szHint.win_gravity = NorthEastGravity;	563	szHint.win_gravity = NorthEastGravity;
474	}	564	}
475	}	565	}
		566
476	if (flags & YValue) {	567	if (flags & YValue)
		568	{
477	R->szHint.y = y;	569	szHint.y = y;
478	R->szHint.flags |= USPosition;	570	szHint.flags |= USPosition;
		571
479	if (flags & YNegative) {	572	if (flags & YNegative)
		573	{
480	recalc_y = 1;	574	recalc_y = 1;
		575
481	if (R->szHint.win_gravity == NorthEastGravity)	576	if (szHint.win_gravity == NorthEastGravity)
482	R->szHint.win_gravity = SouthEastGravity;	577	szHint.win_gravity = SouthEastGravity;
483	else	578	else
484	R->szHint.win_gravity = SouthWestGravity;	579	szHint.win_gravity = SouthWestGravity;
485	}	580	}
486	}	581	}
487	}	582	}
		583
488	/* TODO: BOUNDS */	584	/* TODO: BOUNDS */
489	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	585	width = ncol * fwidth;
490	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	586	height = nrow * fheight;
491	max_width = MAX_COLS * R->TermWin.fwidth;	587	max_width = MAX_COLS * fwidth;
492	max_height = MAX_ROWS * R->TermWin.fheight;	588	max_height = MAX_ROWS * fheight;
493		589
494	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	590	szHint.base_width = szHint.base_height = 2 * int_bwidth;
495		591
496	sb_w = mb_h = 0;
497	R->window_vt_x = R->window_vt_y = 0;	592	window_vt_x = window_vt_y = int_bwidth;
498	if (scrollbar_visible(R)) {	593
		594	if (scrollBar.state)
		595	{
499	sb_w = scrollbar_TotalWidth();	596	int sb_w = scrollBar.total_width ();
500	R->szHint.base_width += sb_w;	597	szHint.base_width += sb_w;
		598
501	if (!(R->Options & Opt_scrollBar_right))	599	if (!option (Opt_scrollBar_right))
502	R->window_vt_x = sb_w;	600	window_vt_x += sb_w;
503	}	601	}
504	if (menubar_visible(R)) {	602
505	mb_h = menuBar_TotalHeight();
506	R->szHint.base_height += mb_h;
507	R->window_vt_y = mb_h;
508	}
509	R->szHint.width_inc = R->TermWin.fwidth;	603	szHint.width_inc = fwidth;
510	R->szHint.height_inc = R->TermWin.fheight;	604	szHint.height_inc = fheight;
511	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	605	szHint.min_width = szHint.base_width + szHint.width_inc;
512	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	606	szHint.min_height = szHint.base_height + szHint.height_inc;
513		607
514	if (width && width - R->szHint.base_width < max_width) {	608	if (newwidth && newwidth - szHint.base_width < max_width)
		609	{
515	R->szHint.width = width;	610	szHint.width = newwidth;
516	R->TermWin.width = width - R->szHint.base_width;	611	width = newwidth - szHint.base_width;
517	} else {	612	}
518	MIN_IT(R->TermWin.width, max_width);	613	else
		614	{
		615	min_it (width, max_width);
519	R->szHint.width = R->szHint.base_width + R->TermWin.width;	616	szHint.width = szHint.base_width + width;
520	}	617	}
		618
521	if (height && height - R->szHint.base_height < max_height) {	619	if (newheight && newheight - szHint.base_height < max_height)
		620	{
522	R->szHint.height = height;	621	szHint.height = newheight;
523	R->TermWin.height = height - R->szHint.base_height;	622	height = newheight - szHint.base_height;
524	} else {	623	}
525	MIN_IT(R->TermWin.height, max_height);	624	else
		625	{
		626	min_it (height, max_height);
526	R->szHint.height = R->szHint.base_height + R->TermWin.height;	627	szHint.height = szHint.base_height + height;
527	}	628	}
528	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
529	R->window_sb_x = R->szHint.width - sb_w;
530		629
531	if (recalc_x)	630	if (recalc_x)
532	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	631	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
533	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	632
534	if (recalc_y)	633	if (recalc_y)
535	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	634	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
536	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
537		635
538	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	636	ncol = width / fwidth;
539	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	637	nrow = height / fheight;
540	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
541	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
542	R->szHint.height));
543	return;
544	}	638	}
545		639
546	/*----------------------------------------------------------------------*/	640	/*----------------------------------------------------------------------*/
547	/*	641	/*
548	* Tell the teletype handler what size the window is.	642	* Tell the teletype handler what size the window is.
549	* Called after a window size change.	643	* Called after a window size change.
550	*/	644	*/
551	/* EXTPROTO */
552	void	645	void
553	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	646	rxvt_term::tt_winch ()
554	{	647	{
		648	if (pty->pty < 0)
		649	return;
		650
555	struct winsize ws;	651	struct winsize ws;
556		652
557	if (fd < 0)
558	return;
559	ws.ws_col = col;	653	ws.ws_col = ncol;
560	ws.ws_row = row;	654	ws.ws_row = nrow;
561	ws.ws_xpixel = ws.ws_ypixel = 0;	655	ws.ws_xpixel = width;
562	#ifndef DEBUG_SIZE	656	ws.ws_ypixel = height;
563	(void)ioctl(fd, TIOCSWINSZ, &ws);	657	ioctl (pty->pty, TIOCSWINSZ, &ws);
564	#else	658
565	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	659	#if 0
566	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	660	// TIOCSWINSZ is supposed to do this automatically and correctly
567	}
568	# ifdef SIGWINCH
569	else if (pid) /* force through to the command */	661	if (cmd_pid) /* force through to the command */
570	kill(pid, SIGWINCH);	662	kill (-cmd_pid, SIGWINCH);
571	# endif
572	#endif	663	#endif
573	}	664	}
574		665
575	/*----------------------------------------------------------------------*/	666	/*----------------------------------------------------------------------*/
576	/* rxvt_change_font() - Switch to a new font */	667	/* set_fonts () - load and set the various fonts
577	/*	668	*
578	* init = 1 - initialize	669	* init = 1 - initialize
579	*	670	*
580	* fontname == FONT_UP - switch to bigger font	671	* fontname == FONT_UP - switch to bigger font
581	* fontname == FONT_DN - switch to smaller font	672	* fontname == FONT_DN - switch to smaller font
582	*/	673	*/
583	/* EXTPROTO */	674	bool
584	void	675	rxvt_term::set_fonts ()
585	rxvt_change_font(pR_ int init, const char *fontname)
586	{	676	{
587	}	677	rxvt_fontset *fs = new rxvt_fontset (this);
		678	rxvt_fontprop prop;
588		679
589	/* 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
590	void	750	void
591	rxvt_font_up_down(pR_ int n, int direction)	751	rxvt_term::set_string_property (Atom prop, const char *str, int len)
592	{	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);
593	}	770	}
594		771
595	/*----------------------------------------------------------------------*/	772	/*----------------------------------------------------------------------*/
596	/*----------------------------------------------------------------------*/	773	/*----------------------------------------------------------------------*/
597	/* xterm sequences - title, iconName, color (exptl) */	774	/* xterm sequences - title, iconName, color (exptl) */
598	/* EXTPROTO */
599	void	775	void
600	rxvt_set_title(pR_ const char *str)	776	rxvt_term::set_title (const char *str)
601	{	777	{
602	#ifndef SMART_WINDOW_TITLE	778	set_string_property (XA_WM_NAME, str);
603	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	779	#if ENABLE_EWMH
604	#else	780	set_utf8_property (xa[XA_NET_WM_NAME], str);
605	char *name;
606
607	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
608	name = NULL;
609	if (name == NULL || STRCMP(name, str))
610	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
611	if (name)
612	XFree(name);
613	#endif	781	#endif
614	}	782	}
615		783
616	/* EXTPROTO */
617	void	784	void
618	rxvt_set_iconName(pR_ const char *str)	785	rxvt_term::set_icon_name (const char *str)
619	{	786	{
620	#ifndef SMART_WINDOW_TITLE	787	set_string_property (XA_WM_ICON_NAME, str);
621	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	788	#if ENABLE_EWMH
622	#else	789	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
623	char *name;
624
625	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
626	name = NULL;
627	if (name == NULL || STRCMP(name, str))
628	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
629	if (name)
630	XFree(name);
631	#endif	790	#endif
632	}	791	}
633		792
		793	void
		794	rxvt_term::set_window_color (int idx, const char *color)
		795	{
634	#ifdef XTERM_COLOR_CHANGE	796	#ifdef XTERM_COLOR_CHANGE
635	/* EXTPROTO */
636	void
637	rxvt_set_window_color(pR_ int idx, const char *color)
638	{
639	rxvt_color xcol;	797	rxvt_color xcol;
640	int i;
641		798
642	if (color == NULL || *color == '\0')	799	if (color == NULL || *color == '\0')
643	return;	800	return;
644		801
		802	color = strdup (color);
		803	allocated.push_back ((void *)color);
		804	rs[Rs_color + idx] = color;
		805
645	/* handle color aliases */	806	/* handle color aliases */
646	if (isdigit(*color)) {	807	if (isdigit (*color))
		808	{
647	i = atoi(color);	809	int i = atoi (color);
648	if (i >= 8 && i <= 15) { /* bright colors */	810
649	i -= 8;	811	if (i >= 8 && i <= 15)
650	# ifndef NO_BRIGHTCOLOR	812	{
651	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	813	/* bright colors */
652	SET_PIXCOLOR(R, idx);	814	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
653	goto Done;	815	goto done;
654	# endif
655	}	816	}
656	if (i >= 0 && i <= 7) { /* normal colors */	817
657	R->PixColors[idx] = R->PixColors[minCOLOR + i];	818	if (i >= 0 && i <= 7)
658	SET_PIXCOLOR(R, idx);	819	{
		820	/* normal colors */
		821	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
659	goto Done;	822	goto done;
660	}	823	}
661	}	824	}
662	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
663	return;
664	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
665		825
666	/*	826	set_color (xcol, color);
		827
		828	/*
667	* 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,
668	* so just keep gobbling up the colormap	830	* so just keep gobbling up the colormap
669	*/	831	*/
670	# if 0
671	for (i = Color_Black; i <= Color_White; i++)
672	if (R->PixColors[idx] == R->PixColors[i])
673	break;
674	if (i > Color_White) {
675	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
676	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
677	DisplayPlanes(R->Xdisplay, Xscreen));
678	}
679	# endif
680		832
681	R->PixColors[idx] = xcol;	833	pix_colors_focused[idx] = xcol;
682	SET_PIXCOLOR(R, idx);
683		834
684	/* XSetWindowAttributes attr; */	835	done:
685	/* Cursor cursor; */
686	Done:
687	if (idx == Color_bg && !(R->Options & Opt_transparent))
688	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
689	R->PixColors[Color_bg]);
690
691	/* handle Color_BD, scrollbar background, etc. */	836	/*TODO: handle Color_BD, scrollbar background, etc. */
692		837
693	rxvt_set_colorfgbg(aR);	838	update_fade_color (idx);
694	rxvt_recolour_cursor(aR);	839	recolour_cursor ();
695	/* the only reasonable way to enforce a clean update */	840	scr_recolour ();
696	rxvt_scr_poweron(aR);	841	#endif /* XTERM_COLOR_CHANGE */
697	}	842	}
698		843
699	#else
700	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
701	#endif /* XTERM_COLOR_CHANGE */
702
703	/* EXTPROTO */
704	void	844	void
705	rxvt_recolour_cursor(pR)	845	rxvt_term::recolour_cursor ()
706	{	846	{
707	rxvt_color xcol[2];	847	XColor fg, bg;
708		848
709	#if TODO	849	(ISSET_PIXCOLOR (Color_pointer_fg)
710	xcol[0] = R->PixColors[Color_pointer];	850	? pix_colors_focused[Color_pointer_fg]
711	xcol[1] = R->PixColors[Color_bg];	851	: pix_colors_focused[Color_fg]).get (fg);
712	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	852
713	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	853	(ISSET_PIXCOLOR (Color_pointer_bg)
714	#endif	854	? pix_colors_focused[Color_pointer_bg]
		855	: pix_colors_focused[Color_bg]).get (bg);
		856
		857	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
715	}	858	}
716		859
717	/*----------------------------------------------------------------------*/	860	/*----------------------------------------------------------------------*/
718	/*	861	/*
719	* 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
720	*/	863	*/
721	/* INTPROTO */
722	void	864	void
723	rxvt_set_colorfgbg(pR)	865	rxvt_term::set_colorfgbg ()
724	{	866	{
725	unsigned int i;	867	unsigned int i;
726	const char *xpmb = "\0";	868	const char *xpmb = "";
727	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	869	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
728		870
729	R->env_colorfgbg =	871	strcpy (fstr, "default");
730	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	872	strcpy (bstr, "default");
731	STRCPY(fstr, "default");
732	STRCPY(bstr, "default");
733	for (i = Color_Black; i <= Color_White; i++)	873	for (i = Color_Black; i <= Color_White; i++)
734	if (R->PixColors[Color_fg] == R->PixColors[i]) {	874	if (pix_colors[Color_fg] == pix_colors[i])
		875	{
735	sprintf(fstr, "%d", (i - Color_Black));	876	sprintf (fstr, "%d", (i - Color_Black));
736	break;	877	break;
737	}	878	}
		879
738	for (i = Color_Black; i <= Color_White; i++)	880	for (i = Color_Black; i <= Color_White; i++)
739	if (R->PixColors[Color_bg] == R->PixColors[i]) {	881	if (pix_colors[Color_bg] == pix_colors[i])
		882	{
740	sprintf(bstr, "%d", (i - Color_Black));	883	sprintf (bstr, "%d", (i - Color_Black));
741	#ifdef XPM_BACKGROUND	884	#ifdef BG_IMAGE_FROM_FILE
742	xpmb = "default;";	885	xpmb = "default;";
743	#endif	886	#endif
744	break;	887	break;
745	}	888	}
		889
746	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	890	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
747	putenv(R->env_colorfgbg);
748
749	#ifndef NO_BRIGHTCOLOR
750	R->colorfgbg = DEFAULT_RSTYLE;
751	for (i = minCOLOR; i <= maxCOLOR; i++) {
752	if (R->PixColors[Color_fg] == R->PixColors[i])
753	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
754	if (R->PixColors[Color_bg] == R->PixColors[i])
755	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
756	}
757	#endif
758	}	891	}
759		892
760	/*----------------------------------------------------------------------*/	893	/*----------------------------------------------------------------------*/
761	/*
762	* Colour determination for low colour displays, routine from
763	* Hans de Goede <hans@highrise.nl>
764	*/
765		894
766	/* EXTPROTO */	895	bool
767	int	896	rxvt_term::set_color (rxvt_color &color, const char *name)
768	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
769	{	897	{
770	screen_in_out->set(aR_ colour);	898	if (color.set (this, name))
771
772	if (!screen_in_out->set(aR_ colour)) {
773	rxvt_print_error("can't allocate colour: %s", colour);
774	return false;
775	}
776
777	return true;	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]);
778	}	909	}
779		910
780	/* -------------------------------------------------------------------- *	911	/* -------------------------------------------------------------------- *
781	* - WINDOW RESIZING - *	912	* - WINDOW RESIZING - *
782	* -------------------------------------------------------------------- */	913	* -------------------------------------------------------------------- */
783	/* EXTPROTO */
784	void	914	void
785	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)
786	int ignoreparent)
787	{	916	{
788	int fix_screen;	917	int fix_screen;
		918	int old_width = szHint.width;
		919	int old_height = szHint.height;
789		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	{
790	#ifdef SMART_RESIZE	935	#ifdef SMART_RESIZE
791	int old_width = R->szHint.width, old_height = R->szHint.height;	936	/*
792	#endif
793
794	rxvt_window_calc(aR_ width, height);
795	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
796	if (!ignoreparent) {
797	#ifdef SMART_RESIZE
798	/*
799	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	937	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
800	* reposition window on resize depending on placement on screen	938	* reposition window on resize depending on placement on screen
801	*/	939	*/
802	int x, y, x1, y1;	940	int x, y, x1, y1;
803	int dx, dy;	941	int dx, dy;
804	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	942	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
805	Window unused_cr;	943	Window unused_cr;
806		944
807	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	945	XTranslateCoordinates (dpy, parent[0], display->root,
808	0, 0, &x, &y, &unused_cr);	946	0, 0, &x, &y, &unused_cr);
809	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	947	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
810	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	948	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
811	/*	949	/*
812	* 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
813	* our position for handles and decorations. Counter it	951	* our position for handles and decorations. Counter it
814	*/	952	*/
815	if (x1 != x || y1 != y) {	953	if (x1 != x || y1 != y)
		954	{
816	x -= x1;	955	x -= x1;
817	y -= y1;	956	y -= y1;
818	}	957	}
819		958
820	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	959	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
821	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	960	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
822	dx = old_width - R->szHint.width;	961	dx = old_width - szHint.width;
823	dy = old_height - R->szHint.height;	962	dy = old_height - szHint.height;
824		963
825	/* Check position of the center of the window */	964	/* Check position of the center of the window */
826	if (x < x1) /* left half */	965	if (x < x1) /* left half */
827	dx = 0;	966	dx = 0;
828	else if (x == x1) /* exact center */	967	else if (x == x1) /* exact center */
829	dx /= 2;	968	dx /= 2;
830	if (y < y1) /* top half */	969	if (y < y1) /* top half */
831	dy = 0;	970	dy = 0;
832	else if (y == y1) /* exact center */	971	else if (y == y1) /* exact center */
833	dy /= 2;	972	dy /= 2;
834		973
835	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	974	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
836	R->szHint.width, R->szHint.height);	975	szHint.width, szHint.height);
837	#else	976	#else
838	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	977	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
839	R->szHint.height);
840	#endif	978	#endif
841	}	979	}
842		980
843	fix_screen = (R->TermWin.ncol != R->prev_ncol	981	if (set_hint)
844	|| R->TermWin.nrow != R->prev_nrow);	982	XSetWMNormalHints (dpy, parent[0], &szHint);
		983
		984	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		985
845	if (fix_screen || width != R->old_width || height != R->old_height) {	986	if (fix_screen || newwidth != old_width || newheight != old_height)
846	if (scrollbar_visible(R)) {
847	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
848	0, scrollbar_TotalWidth(), R->szHint.height);
849	rxvt_Resize_scrollBar(aR);
850	}
851	if (menubar_visible(R))
852	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
853	0, TermWin_TotalWidth(), menuBar_TotalHeight());
854	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
855	R->window_vt_y, TermWin_TotalWidth(),
856	TermWin_TotalHeight());
857	#ifdef RXVT_GRAPHICS
858	if (R->old_height)
859	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
860	R->old_height - R->szHint.base_height);
861	#endif
862	rxvt_scr_clear(aR);
863	#ifdef XPM_BACKGROUND
864	rxvt_resize_pixmap(aR);
865	#endif
866	}	987	{
		988	if (scrollBar.state)
		989	scrollBar.resize ();
867		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
868	if (fix_screen || R->old_height == 0) {	1001	if (fix_screen || old_height == 0)
869	int curr_screen = -1;	1002	scr_reset ();
870	uint16_t old_ncol = R->prev_ncol;
871		1003
872	/* scr_reset only works on the primary screen */	1004	#ifdef HAVE_BG_PIXMAP
873	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 ?
874	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1006	// if (bgPixmap.pixmap)
875	rxvt_scr_reset(aR);	1007	// scr_touch (false);
876	if (curr_screen >= 0) { /* this is not the first time through */	1008	#endif
877	rxvt_scr_change_screen(aR_ curr_screen);
878	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
879	}
880	}
881
882	R->old_width = R->szHint.width;
883	R->old_height = R->szHint.height;
884		1009
885	#ifdef USE_XIM	1010	#ifdef USE_XIM
886	rxvt_IMSetStatusPosition(aR);	1011	IMSetPosition ();
887	#endif	1012	#endif
888	}	1013	}
889		1014
890	/*	1015	/*
891	* 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.
892	* good for toggling 80/132 columns	1017	* good for toggling 80/132 columns
893	*/	1018	*/
894	/* EXTPROTO */
895	void	1019	void
896	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1020	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
897	{	1021	{
898	XWindowAttributes wattr;	1022	XWindowAttributes wattr;
899		1023
900	if (width == 0 || height == 0) {	1024	if (newwidth == 0 || newheight == 0)
		1025	{
901	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1026	XGetWindowAttributes (dpy, display->root, &wattr);
		1027
902	if (width == 0)	1028	if (newwidth == 0)
903	width = wattr.width - R->szHint.base_width;	1029	newwidth = wattr.width - szHint.base_width;
904	if (height == 0)	1030	if (newheight == 0)
905	height = wattr.height - R->szHint.base_height;	1031	newheight = wattr.height - szHint.base_height;
		1032	}
		1033
		1034	if (newwidth != width || newheight != height)
906	}	1035	{
907	if (width != R->TermWin.width || height != R->TermWin.height) {
908	width += R->szHint.base_width;	1036	newwidth += szHint.base_width;
909	height += R->szHint.base_height;	1037	newheight += szHint.base_height;
910	rxvt_resize_all_windows(aR_ width, height, 0);	1038	resize_all_windows (newwidth, newheight, 0);
911	}	1039	}
912	}	1040	}
913		1041
914	/* -------------------------------------------------------------------- *	1042	/* -------------------------------------------------------------------- *
915	* - X INPUT METHOD ROUTINES - *	1043	* - X INPUT METHOD ROUTINES - *
916	* -------------------------------------------------------------------- */	1044	* -------------------------------------------------------------------- */
917	#ifdef USE_XIM	1045	#ifdef USE_XIM
918	/* INTPROTO */
919	void
920	rxvt_setSize(pR_ XRectangle * size)
921	{
922	size->x = R->TermWin.int_bwidth;
923	size->y = R->TermWin.int_bwidth;
924	size->width = Width2Pixel(R->TermWin.ncol);
925	size->height = Height2Pixel(R->TermWin.nrow);
926	}
927		1046
928	/* INTPROTO */
929	void	1047	void
930	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1048	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
931	{	1049	{
932	*fg = R->PixColors[Color_fg];	1050	fg = pix_colors [Color_fg];
933	*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;
934	}	1078	}
935		1079
936	/* Checking whether input method is running. */	1080	/* Checking whether input method is running. */
937	/* INTPROTO */
938	Bool	1081	bool
939	rxvt_IMisRunning(pR)	1082	rxvt_term::IMisRunning ()
940	{	1083	{
941	char *p;	1084	Atom atom;
942	Atom atom;	1085	Window win;
943	Window win;
944	char server[IMBUFSIZ];	1086	char server[IMBUFSIZ];
945		1087
946	/* get current locale modifier */	1088	/* get current locale modifier */
947	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1089	if (char *p = XSetLocaleModifiers (0))
		1090	{
948	STRCPY(server, "@server=");	1091	strcpy (server, "@server=");
949	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1092	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1093
950	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1094	if (p = strchr (server + 1, '@')) /* first one only */
951	*p = '\0';	1095	*p = '\0';
952		1096
953	atom = XInternAtom(R->Xdisplay, server, False);	1097	atom = XInternAtom (dpy, server, False);
954	win = XGetSelectionOwner(R->Xdisplay, atom);	1098	win = XGetSelectionOwner (dpy, atom);
		1099
955	if (win != None)	1100	if (win != None)
956	return True;	1101	return True;
957	}	1102	}
		1103
958	return False;	1104	return False;
959	}	1105	}
960		1106
961	/* EXTPROTO */
962	void	1107	void
963	rxvt_IMSendSpot(pR)	1108	rxvt_term::IMSendSpot ()
964	{	1109	{
965	XPoint spot;	1110	XPoint nspot;
966	XVaNestedList preedit_attr;	1111	XVaNestedList preedit_attr;
967		1112
968	if (R->Input_Context == NULL	1113	if (!Input_Context
969	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1114	|| !focus
970	|| !(R->event_type == KeyPress	1115	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
971	|| R->event_type == Expose
972	|| R->event_type == NoExpose
973	|| R->event_type == SelectionNotify
974	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
975	|| !rxvt_IMisRunning(aR))
976	return;	1116	return;
977		1117
978	rxvt_setPosition(aR_ & spot);	1118	im_set_position (nspot);
979		1119
		1120	if (nspot.x == spot.x && nspot.y == spot.y)
		1121	return;
		1122
		1123	spot = nspot;
		1124
980	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1125	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
981	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1126	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
982	XFree(preedit_attr);	1127	XFree (preedit_attr);
983	}	1128	}
984		1129
985	/* EXTPROTO */
986	void	1130	void
987	rxvt_setTermFontSet(pR_ int idx)	1131	rxvt_term::im_destroy ()
988	{	1132	{
989	char *string;	1133	if (input_method)
990	long length;	1134	{
991	int success = 0;	1135	if (Input_Context && input_method->xim)
		1136	XDestroyIC (Input_Context);
992		1137
993	if (idx < 0 || idx >= MAX_NFONTS)	1138	display->put_xim (input_method);
994	return;	1139	input_method = 0;
995	}	1140	}
996		1141
997	/* INTPROTO */
998	void
999	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1000	XRectangle * needed_rect)
1001	{
1002	int mbh, vtx = 0;
1003
1004	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1005	vtx = scrollbar_TotalWidth();
1006	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1007	mbh -= R->TermWin.lineSpace;
1008
1009	preedit_rect->x = needed_rect->width + vtx;
1010	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1011
1012	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1013	+ vtx;
1014	preedit_rect->height = Height2Pixel(1);
1015
1016	status_rect->x = vtx;
1017	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1018
1019	status_rect->width = needed_rect->width ? needed_rect->width
1020	: Width2Pixel(R->TermWin.ncol + 1);
1021	status_rect->height = Height2Pixel(1);
1022	}
1023
1024	/* ARGSUSED */
1025	/* INTPROTO */
1026	void
1027	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1028	__attribute__ ((unused)), XPointer call_data
1029	__attribute__ ((unused)))
1030	{
1031	dR;
1032
1033	R->Input_Context = NULL;	1142	Input_Context = 0;
1034	/* To avoid Segmentation Fault in C locale: Solaris only? */
1035	if (STRCMP(R->locale, "C"))
1036	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1037	rxvt_IMInstantiateCallback, NULL);
1038	}	1143	}
1039		1144
1040	/*	1145	#ifdef ENABLE_XIM_ONTHESPOT
1041	* X manual pages and include files don't match on some systems:
1042	* some think this is an XIDProc and others an XIMProc so we can't
1043	* use the first argument - need to update this to be nice for
1044	* both types via some sort of configure detection
1045	*/
1046	/* ARGSUSED */
1047	/* EXTPROTO */
1048	void
1049	rxvt_IMInstantiateCallback(Display * unused
1050	__attribute__ ((unused)), XPointer client_data
1051	__attribute__ ((unused)), XPointer call_data
1052	__attribute__ ((unused)))
1053	{
1054	dR;
1055	int i, found, had_im;
1056	const char *p;
1057	char **s;
1058	char buf[IMBUFSIZ];
1059		1146
1060	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1147	static void
1061	if (R->Input_Context)	1148	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1062	return;	1149	{
		1150	((rxvt_term *)client_data)->make_current ();
		1151	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1152	}
1063		1153
1064	found = had_im = 0;	1154	static void
1065	p = R->rs[Rs_inputMethod];	1155	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1066	if (p && *p) {	1156	{
1067	had_im = 1;	1157	((rxvt_term *)client_data)->make_current ();
1068	s = rxvt_splitcommastring(p);	1158	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1069	for (i = 0; s[i]; i++) {	1159	}
1070	if (*s[i]) {	1160
1071	STRCPY(buf, "@im=");	1161	static void
1072	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1162	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1073	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1163	{
1074	&& (rxvt_IM_get_IC(aR) == True)) {	1164	rxvt_term *term = (rxvt_term *)client_data;
1075	found = 1;	1165	XIMText *text = call_data->text;
1076	break;	1166
1077	}	1167	term->make_current ();
1078	}	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);
1079	}	1184	}
1080	for (i = 0; s[i]; i++)	1185	else
1081	free(s[i]);	1186	str = text->string.wide_char;
1082	free(s);
1083	}
1084	if (found)
1085	return;
1086		1187
1087	/* try with XMODIFIERS env. var. */	1188	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1088	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1189	DT_INT, call_data->caret,
1089	rxvt_IM_get_IC(aR);	1190	DT_INT, call_data->chg_first,
1090	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));
1091	}	1195	}
1092		1196	else
1093	/* try with no modifiers base IF the user didn't specify an IM */	1197	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1094	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1198	DT_INT, call_data->caret,
1095	&& rxvt_IM_get_IC(aR) == True)	1199	DT_INT, call_data->chg_first,
1096	return;	1200	DT_INT, call_data->chg_length,
		1201	DT_END));
1097	}	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
1098		1218
1099	/*	1219	/*
1100	* 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
1101	* open a suitable preedit type	1221	* open a suitable preedit type
1102	*/	1222	*/
1103	/* INTPROTO */
1104	Bool	1223	bool
1105	rxvt_IM_get_IC(pR)	1224	rxvt_term::IM_get_IC (const char *modifiers)
1106	{	1225	{
1107	int i, j, found;	1226	int i, j, found;
1108	XIM xim;	1227	XIM xim;
1109	XPoint spot;	1228	XPoint spot;
1110	XRectangle rect, status_rect, needed_rect;	1229	XRectangle rect, status_rect, needed_rect;
1111	unsigned long fg, bg;	1230	unsigned long fg, bg;
1112	const char *p;	1231	const char *p;
1113	char **s;	1232	char **s;
1114	XIMStyles *xim_styles;	1233	XIMStyles *xim_styles;
1115	XVaNestedList preedit_attr, status_attr;	1234	#ifdef ENABLE_XIM_ONTHESPOT
1116	XIMCallback ximcallback;	1235	XIMCallback xcb[4];
		1236	#endif
1117		1237
1118	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1238	set_environ (envv);
1119	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1239
1120	if (xim == NULL)	1240	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1121	return False;	1241	return false;
1122		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
1123	xim_styles = NULL;	1250	xim_styles = NULL;
1124	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1251	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1125	|| !xim_styles || !xim_styles->count_styles) {	1252	|| !xim_styles || !xim_styles->count_styles)
1126	XCloseIM(xim);	1253	{
		1254	im_destroy ();
1127	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++)
1128	}	1261	{
		1262	p = pet[pi];
1129		1263
1130	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1264	if (!p)
1131	: "OverTheSpot,OffTheSpot,Root";	1265	continue;
		1266
1132	s = rxvt_splitcommastring(p);	1267	s = rxvt_splitcommastring (p);
		1268
1133	for (i = found = 0; !found && s[i]; i++) {	1269	for (i = found = 0; !found && s[i]; i++)
		1270	{
1134	if (!STRCMP(s[i], "OverTheSpot"))	1271	if (!strcmp (s[i], "OverTheSpot"))
1135	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1272	input_style = XIMPreeditPosition | XIMStatusNothing;
1136	else if (!STRCMP(s[i], "OffTheSpot"))	1273	else if (!strcmp (s[i], "OffTheSpot"))
1137	R->input_style = (XIMPreeditArea | XIMStatusArea);	1274	input_style = XIMPreeditArea | XIMStatusArea;
1138	else if (!STRCMP(s[i], "Root"))	1275	else if (!strcmp (s[i], "Root"))
1139	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;
1140		1285
1141	for (j = 0; j < xim_styles->count_styles; j++)	1286	for (j = 0; j < xim_styles->count_styles; j++)
1142	if (R->input_style == xim_styles->supported_styles[j]) {	1287	if (input_style == xim_styles->supported_styles[j])
		1288	{
		1289	rxvt_freecommastring (s);
		1290
1143	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;
1144	break;	1474	break;
		1475	}
1145	}	1476	}
1146	}	1477	}
1147	for (i = 0; s[i]; i++)
1148	free(s[i]);
1149	free(s);
1150	XFree(xim_styles);
1151		1478
		1479	rxvt_freecommastring (s);
		1480
1152	if (!found) {	1481	if (found)
1153	XCloseIM(xim);	1482	goto done;
1154	return False;
1155	}	1483	}
1156		1484
1157	ximcallback.callback = rxvt_IMDestroyCallback;	1485	/* try with XMODIFIERS env. var. */
		1486	if (IM_get_IC (""))
		1487	goto done;
1158		1488
1159	/* 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 */
1160	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1490	if (IM_get_IC ("@im=none"))
		1491	goto done;
1161		1492
1162	preedit_attr = status_attr = NULL;	1493	done:
1163		1494	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1164	if (R->input_style & XIMPreeditPosition) {	1495	if (rs[Rs_imLocale])
1165	rxvt_setSize(aR_ & rect);	1496	SET_LOCALE (locale);
1166	rxvt_setPosition(aR_ & spot);	1497	#endif
1167	rxvt_setColor(aR_ & fg, &bg);
1168
1169	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1170	XNSpotLocation, &spot,
1171	XNForeground, fg, XNBackground, bg,
1172	//XNFontSet, R->TermWin.fontset,
1173	NULL);
1174	} else if (R->input_style & XIMPreeditArea) {
1175	rxvt_setColor(aR_ & fg, &bg);
1176
1177	/*
1178	* The necessary width of preedit area is unknown
1179	* until create input context.
1180	*/
1181	needed_rect.width = 0;
1182
1183	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1184
1185	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1186	XNForeground, fg, XNBackground, bg,
1187	//XNFontSet, R->TermWin.fontset,
1188	NULL);
1189	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1190	XNForeground, fg, XNBackground, bg,
1191	//XNFontSet, R->TermWin.fontset,
1192	NULL);
1193	}
1194	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1195	XNClientWindow, R->TermWin.parent[0],
1196	XNFocusWindow, R->TermWin.parent[0],
1197	XNDestroyCallback, &ximcallback,
1198	preedit_attr ? XNPreeditAttributes : NULL,
1199	preedit_attr,
1200	status_attr ? XNStatusAttributes : NULL,
1201	status_attr, NULL);
1202	if (preedit_attr)
1203	XFree(preedit_attr);
1204	if (status_attr)
1205	XFree(status_attr);
1206	if (R->Input_Context == NULL) {
1207	rxvt_print_error("failed to create input context");
1208	XCloseIM(xim);
1209	return False;
1210	}
1211	if (R->input_style & XIMPreeditArea)
1212	rxvt_IMSetStatusPosition(aR);
1213	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1214	return True;
1215	}	1498	}
1216		1499
1217	/* EXTPROTO */
1218	void	1500	void
1219	rxvt_IMSetStatusPosition(pR)	1501	rxvt_term::IMSetPosition ()
1220	{	1502	{
1221	XRectangle preedit_rect, status_rect, *needed_rect;	1503	XRectangle preedit_rect, status_rect, *needed_rect;
1222	XVaNestedList preedit_attr, status_attr;	1504	XVaNestedList preedit_attr, status_attr;
1223		1505
1224	if (R->Input_Context == NULL	1506	if (!Input_Context
1225	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1507	|| !focus
		1508	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1226	|| !rxvt_IMisRunning(aR))	1509	|| !IMisRunning ())
1227	return;	1510	return;
1228		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	{
1229	/* Getting the necessary width of preedit area */	1522	/* Getting the necessary width of preedit area */
1230	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1523	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1231	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1524	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1232	XFree(status_attr);	1525	XFree (status_attr);
1233		1526
1234	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1527	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1528	XFree (needed_rect);
1235		1529
1236	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1530	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1237	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1531	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1238		1532
1239	XSetICValues(R->Input_Context,	1533	XSetICValues (Input_Context,
1240	XNPreeditAttributes, preedit_attr,	1534	XNPreeditAttributes, preedit_attr,
1241	XNStatusAttributes, status_attr, NULL);	1535	XNStatusAttributes, status_attr,
		1536	NULL);
1242		1537
		1538	XFree (status_attr);
		1539	}
		1540
1243	XFree(preedit_attr);	1541	XFree (preedit_attr);
1244	XFree(status_attr);
1245	}	1542	}
1246	#endif /* USE_XIM */	1543	#endif /* USE_XIM */
1247		1544
1248	/*----------------------------------------------------------------------*/	1545	void
1249	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 */
1250		1611
1251	/*----------------------- end-of-file (C source) -----------------------*/	1612	/*----------------------- end-of-file (C source) -----------------------*/

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