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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.5 by pcg, Tue Nov 25 15:44:38 2003 UTC vs.
Revision 1.331 by sf-exg, Mon Jul 26 22:07:38 2010 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.5 2003/11/25 15:44:38 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2008 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
		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);
66	#endif	162	#endif
67	x_ev (this, &rxvt_term::x_cb)	163	#ifdef TEXT_BLINK
68	{	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
69	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;
70	}	215	}
71		216
72	rxvt_term::~rxvt_term ()	217	rxvt_term::~rxvt_term ()
73	{	218	{
74	delete PixColors;	219	termlist.erase (find (termlist.begin (), termlist.end(), this));
75	}
76		220
77	/*----------------------------------------------------------------------*/	221	emergency_cleanup ();
78	/* rxvt_init() */
79	/* LIBPROTO */
80	rxvt_t
81	rxvt_init(int argc, const char *const *argv)
82	{
83	SET_R(new rxvt_term);
84	dR;
85		222
86	if (!R->init_vars () || !R->init (argc, argv))	223	#if ENABLE_STYLES
87	{	224	for (int i = RS_styleCount; --i; )
88	delete R;	225	if (fontset[i] != fontset[0])
89	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)
90	}	241	{
		242	selection_clear ();
		243	selection_clear (true);
91		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 ())
92	return R;	313	return;
93	}
94		314
95	bool	315	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
96	rxvt_term::init (int argc, const char *const *argv)
97	{
98	dR;//TODO (scrollbar, setidle)
99		316
100	/*	317	#if ENABLE_OVERLAY
101	* Save and then give up any super-user privileges	318	scr_overlay_off ();
102	* If we need privileges in any area then we must specifically request it.
103	* We should only need to be root in these cases:
104	* 1. write utmp entries on some systems
105	* 2. chown tty on some systems
106	*/
107	rxvt_privileges (this, SAVE);
108	rxvt_privileges (this, IGNORE);
109
110	rxvt_init_secondary (this);
111
112	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
113
114	#if (MENUBAR_MAX)
115	rxvt_menubar_read (this, rs[Rs_menu]);
116	#endif	319	#endif
117	#ifdef HAVE_SCROLLBARS
118	if (Options & Opt_scrollBar)
119	scrollbar_setIdle (); /* set existence for size calculations */
120	#endif
121		320
122	rxvt_Create_Windows (this, argc, argv);	321	if (display)
123
124	rxvt_init_xlocale (this);
125
126	rxvt_scr_reset (this); /* initialize screen */
127	#ifdef RXVT_GRAPHICS
128	rxvt_Gr_reset (this); /* reset graphics */
129	#endif
130
131	#if 0
132	#ifdef DEBUG_X
133	XSynchronize(Xdisplay, True);
134	XSetErrorHandler((XErrorHandler) abort);
135	#else
136	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
137	#endif
138	#endif
139
140	#ifdef HAVE_SCROLLBARS
141	if (Options & Opt_scrollBar)
142	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
143	#endif
144	#if (MENUBAR_MAX)
145	if (menubar_visible(r))
146	XMapWindow (Xdisplay, menuBar.win);
147	#endif
148	#ifdef TRANSPARENT
149	if (Options & Opt_transparent)
150	{
151	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
152	rxvt_check_our_parents (this);
153	}	322	{
		323	#if USE_XIM
		324	im_ev.stop (display);
154	#endif	325	#endif
155	XMapWindow (Xdisplay, TermWin.vt);	326	scrollbar_ev.stop (display);
156	XMapWindow (Xdisplay, TermWin.parent[0]);	327	#if ENABLE_TRANSPARENCY || ENABLE_PERL
157		328	rootwin_ev.stop (display);
158	rxvt_init_env (this);
159	rxvt_init_command (this, cmd_argv);
160
161	x_ev.start (Xfd, EVENT_READ);
162	pty_ev.start (cmd_fd, EVENT_READ);
163
164	return true;
165	}
166
167	/* ------------------------------------------------------------------------- *
168	* SIGNAL HANDLING & EXIT HANDLER *
169	* ------------------------------------------------------------------------- */
170	/*
171	* Catch a SIGCHLD signal and exit if the direct child has died
172	*/
173	/* ARGSUSED */
174	/* EXTPROTO */
175	RETSIGTYPE
176	rxvt_Child_signal(int sig __attribute__ ((unused)))
177	{
178	dR;
179	int pid, save_errno = errno;
180
181	do {
182	errno = 0;
183	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
184
185	if (pid == R->cmd_pid)
186	exit(EXIT_SUCCESS);
187
188	errno = save_errno;
189	signal(SIGCHLD, rxvt_Child_signal);
190	}
191
192	/*
193	* Catch a fatal signal and tidy up before quitting
194	*/
195	/* EXTPROTO */
196	RETSIGTYPE
197	rxvt_Exit_signal(int sig)
198	{
199	signal(sig, SIG_DFL);
200	#ifdef DEBUG_CMD
201	rxvt_print_error("signal %d", sig);
202	#endif	329	#endif
203	rxvt_clean_exit();	330	incr_ev.stop ();
204	kill(getpid(), sig);	331	termwin_ev.stop (display);
205	}	332	vt_ev.stop (display);
206
207	/* ARGSUSED */
208	/* INTPROTO */
209	int
210	rxvt_xerror_handler(const Display * display
211	__attribute__ ((unused)), const XErrorEvent * event)
212	{
213	dR;
214
215	if (R->allowedxerror == -1) {
216	R->allowedxerror = event->error_code;
217	return 0; /* ignored anyway */
218	}	333	}
219	rxvt_print_error("XError: Request: %d . %d, Error: %d",	334
220	event->request_code, event->minor_code,	335	flush_ev.stop ();
221	event->error_code);	336	pty_ev.stop ();
222	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	337	#ifdef CURSOR_BLINK
223	exit(EXIT_FAILURE);	338	cursor_blink_ev.stop ();
224	/* 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;
225	}	362	}
226		363
227	/*----------------------------------------------------------------------*/	364	/*----------------------------------------------------------------------*/
228	/*	365	/*
229	* Exit gracefully, clearing the utmp entry and restoring tty attributes	366	* Exit gracefully, clearing the utmp entry and restoring tty attributes
230	* 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
231	*/	368	*/
232	/* EXTPROTO */	369	static XErrorHandler old_xerror_handler;
233	void
234	rxvt_clean_exit(void)
235	{
236	dR;
237		370
238	#ifdef DEBUG_SCREEN	371	static void
239	rxvt_scr_release(aR);	372	rxvt_emergency_cleanup ()
240	#endif
241	#ifndef NO_SETOWNER_TTYDEV
242	rxvt_privileged_ttydev(aR_ RESTORE);
243	#endif
244	#ifdef UTMP_SUPPORT
245	rxvt_privileged_utmp(aR_ RESTORE);
246	#endif
247	#ifdef USE_XIM
248	if (R->Input_Context != NULL) {
249	XDestroyIC(R->Input_Context);
250	R->Input_Context = NULL;
251	}
252	#endif
253	}
254
255	/* ------------------------------------------------------------------------- *
256	* MEMORY ALLOCATION WRAPPERS *
257	* ------------------------------------------------------------------------- */
258	/* EXTPROTO */
259	void *
260	rxvt_malloc(size_t size)
261	{	373	{
262	void *p;	374	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
263		375	(*t)->emergency_cleanup ();
264	p = malloc(size);
265	if (p)
266	return p;
267
268	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
269	rxvt_clean_exit();
270	exit(EXIT_FAILURE);
271	/* NOTREACHED */
272	}	376	}
273		377
274	/* EXTPROTO */	378	#if !ENABLE_MINIMAL
275	void *	379	static void
276	rxvt_calloc(size_t number, size_t size)	380	print_x_error (Display *dpy, XErrorEvent *event)
277	{	381	{
278	void *p;	382	char buffer[BUFSIZ];
279		383	char mesg[BUFSIZ];
280	p = calloc(number, size);	384	char number[32];
281	if (p)	385	char *mtype = "XlibMessage";
282	return p;	386	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
283		387	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
284	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	388	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
285	rxvt_clean_exit();	389	rxvt_warn ("%s: %s\n", mesg, buffer);
286	exit(EXIT_FAILURE);	390	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
287	/* NOTREACHED */	391	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
288	}	392	sprintf(number, "%d", event->request_code);
289		393	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
290	/* EXTPROTO */	394	rxvt_warn ("(which is %s)\n", buffer);
291	void *	395	if (event->request_code >= 128) {
292	rxvt_realloc(void *ptr, size_t size)	396	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
293	{	397	mesg, BUFSIZ);
294	void *p;	398	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
295
296	if (ptr)
297	p = realloc(ptr, size);
298	else
299	p = malloc(size);
300	if (p)
301	return p;
302
303	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
304	rxvt_clean_exit();
305	exit(EXIT_FAILURE);
306	/* NOTREACHED */
307	}
308
309	/* ------------------------------------------------------------------------- *
310	* PRIVILEGED OPERATIONS *
311	* ------------------------------------------------------------------------- */
312	/* take care of suid/sgid super-user (root) privileges */
313	/* INTPROTO */
314	void
315	rxvt_privileges(pR_ int mode)
316	{
317	#if ! defined(__CYGWIN32__)
318	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
319	/* setreuid() is the poor man's setuid(), seteuid() */
320	# define seteuid(a) setreuid(-1, (a))
321	# define setegid(a) setregid(-1, (a))
322	# define HAVE_SETEUID
323	# endif
324	# ifdef HAVE_SETEUID
325	switch (mode) {
326	case IGNORE:
327	/*
328	* change effective uid/gid - not real uid/gid - so we can switch
329	* back to root later, as required
330	*/
331	seteuid(getuid());
332	setegid(getgid());
333	break;
334	case SAVE:
335	R->euid = geteuid();
336	R->egid = getegid();
337	break;
338	case RESTORE:
339	seteuid(R->euid);
340	setegid(R->egid);
341	break;
342	}	399	}
343	# else	400	if ((event->error_code == BadWindow) ||
344	switch (mode) {	401	(event->error_code == BadPixmap) ||
345	case IGNORE:	402	(event->error_code == BadCursor) ||
346	setuid(getuid());	403	(event->error_code == BadFont) ||
347	setgid(getgid());	404	(event->error_code == BadDrawable) ||
348	/* FALLTHROUGH */	405	(event->error_code == BadColor) ||
349	case SAVE:	406	(event->error_code == BadGC) ||
350	/* FALLTHROUGH */	407	(event->error_code == BadIDChoice) ||
351	case RESTORE:	408	(event->error_code == BadValue) ||
352	break;	409	(event->error_code == BadAtom)) {
353	}	410	if (event->error_code == BadValue)
354	# endif	411	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
355	#endif	412	mesg, BUFSIZ);
356	}	413	else if (event->error_code == BadAtom)
357		414	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
358	#ifdef UTMP_SUPPORT	415	mesg, BUFSIZ);
359	/* EXTPROTO */
360	void
361	rxvt_privileged_utmp(pR_ char action)
362	{
363	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
364	action, R->next_utmp_action, getpid()));
365	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
366	|| (R->Options & Opt_utmpInhibit)
367	|| R->ttydev == NULL || *R->ttydev == '\0')
368	return;
369
370	rxvt_privileges(aR_ RESTORE);
371	if (action == SAVE) {
372	R->next_utmp_action = RESTORE;
373	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
374	} else { /* action == RESTORE */
375	R->next_utmp_action = IGNORE;
376	rxvt_cleanutent(aR);
377	}
378	rxvt_privileges(aR_ IGNORE);
379	}
380	#endif
381
382	#ifndef NO_SETOWNER_TTYDEV
383	/* EXTPROTO */
384	void
385	rxvt_privileged_ttydev(pR_ char action)
386	{
387	D_MAIN((stderr,
388	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
389	action, R->next_tty_action, getpid()));
390	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
391	|| R->ttydev == NULL || *R->ttydev == '\0')
392	return;
393
394	rxvt_privileges(aR_ RESTORE);
395
396	if (action == SAVE) {
397	R->next_tty_action = RESTORE;
398	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
399	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
400	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
401	R->next_tty_action = IGNORE;
402	else	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	}
403	# endif	425	#endif
404	{	426
405	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	427	int
406	chmod(R->ttydev, R->ttymode);	428	rxvt_xerror_handler (Display *display, XErrorEvent *event)
407	# ifdef HAVE_REVOKE	429	{
408	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);
409	# endif	440	#endif
410	}	441	}
411	} else { /* action == RESTORE */	442
412	R->next_tty_action = IGNORE;	443	return 0;
413	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	444	}
414	chmod(R->ttydev, R->ttyfd_stat.st_mode);	445
415	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);	446	int
416	# else	447	rxvt_xioerror_handler (Display *display)
417	chmod(R->ttydev,	448	{
418	(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",
419	chown(R->ttydev, 0, 0);	450	DisplayString (display));
420	# 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);
421	}	468	}
		469	} sig_handlers;
422		470
423	rxvt_privileges(aR_ IGNORE);	471	void
424		472	sig_handlers::sig_term (ev::sig &w, int revents)
425	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	473	{
426	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	474	rxvt_emergency_cleanup ();
427	action == RESTORE ? "Restoring" : (action ==	475	w.stop ();
428	SAVE ? "Saving" :	476	kill (getpid (), w.signum);
429	"UNKNOWN ERROR for"), R->ttydev,
430	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
431	R->ttyfd_stat.st_gid));
432	# endif
433	}	477	}
434	#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	// get rid of stdin/stdout as we don't need them, to free resources
		488	dup2 (STDERR_FILENO, STDIN_FILENO);
		489	dup2 (STDERR_FILENO, STDOUT_FILENO);
		490
		491	ptytty::init ();
		492
		493	if (!ev_default_loop (0))
		494	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		495
		496	rxvt_environ = environ;
		497
		498	signal (SIGHUP, SIG_IGN);
		499	signal (SIGPIPE, SIG_IGN);
		500
		501	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		502	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		503
		504	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		505	// TODO: handle this with exceptions and tolerate the memory loss
		506	XSetIOErrorHandler (rxvt_xioerror_handler);
		507
		508	XrmInitialize ();
		509	}
435		510
436	/*----------------------------------------------------------------------*/	511	/*----------------------------------------------------------------------*/
437	/*	512	/*
438	* window size/position calculcations for XSizeHint and other storage.	513	* window size/position calculations for XSizeHint and other storage.
439	* if width/height are non-zero then override calculated width/height	514	* if width/height are non-zero then override calculated width/height
440	*/	515	*/
441	/* EXTPROTO */
442	void	516	void
443	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	517	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
444	{	518	{
445	short recalc_x, recalc_y;	519	short recalc_x, recalc_y;
446	int x, y, sb_w, mb_h, flags;	520	int x, y, flags;
447	unsigned int w, h;	521	unsigned int w, h;
448	unsigned int max_width, max_height;	522	unsigned int max_width, max_height;
449		523
450	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
451	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
452	R->szHint.height));
453	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	524	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
454	R->szHint.win_gravity = NorthWestGravity;	525	szHint.win_gravity = NorthWestGravity;
455	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	526	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
456		527
457	recalc_x = recalc_y = 0;	528	recalc_x = recalc_y = 0;
458	flags = 0;	529	flags = 0;
		530
459	if (!R->parsed_geometry) {	531	if (!parsed_geometry)
		532	{
460	R->parsed_geometry = 1;	533	parsed_geometry = 1;
		534
461	if (R->rs[Rs_geometry])	535	if (rs[Rs_geometry])
462	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	536	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		537
463	if (flags & WidthValue) {	538	if (flags & WidthValue)
464	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	539	{
		540	if (!w)
		541	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		542
		543	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
465	R->szHint.flags |= USSize;	544	szHint.flags |= USSize;
466	}	545	}
		546
467	if (flags & HeightValue) {	547	if (flags & HeightValue)
468	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	548	{
		549	if (!h)
		550	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		551
		552	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
469	R->szHint.flags |= USSize;	553	szHint.flags |= USSize;
470	}	554	}
		555
471	if (flags & XValue) {	556	if (flags & XValue)
		557	{
472	R->szHint.x = x;	558	szHint.x = x;
473	R->szHint.flags |= USPosition;	559	szHint.flags |= USPosition;
		560
474	if (flags & XNegative) {	561	if (flags & XNegative)
		562	{
475	recalc_x = 1;	563	recalc_x = 1;
476	R->szHint.win_gravity = NorthEastGravity;	564	szHint.win_gravity = NorthEastGravity;
477	}	565	}
478	}	566	}
		567
479	if (flags & YValue) {	568	if (flags & YValue)
		569	{
480	R->szHint.y = y;	570	szHint.y = y;
481	R->szHint.flags |= USPosition;	571	szHint.flags |= USPosition;
		572
482	if (flags & YNegative) {	573	if (flags & YNegative)
		574	{
483	recalc_y = 1;	575	recalc_y = 1;
		576
484	if (R->szHint.win_gravity == NorthEastGravity)	577	if (szHint.win_gravity == NorthEastGravity)
485	R->szHint.win_gravity = SouthEastGravity;	578	szHint.win_gravity = SouthEastGravity;
486	else	579	else
487	R->szHint.win_gravity = SouthWestGravity;	580	szHint.win_gravity = SouthWestGravity;
488	}	581	}
489	}	582	}
490	}	583	}
		584
491	/* TODO: BOUNDS */	585	/* TODO: BOUNDS */
492	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	586	width = ncol * fwidth;
493	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	587	height = nrow * fheight;
494	max_width = MAX_COLS * R->TermWin.fwidth;	588	max_width = MAX_COLS * fwidth;
495	max_height = MAX_ROWS * R->TermWin.fheight;	589	max_height = MAX_ROWS * fheight;
496		590
497	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	591	szHint.base_width = szHint.base_height = 2 * int_bwidth;
498		592
499	sb_w = mb_h = 0;
500	R->window_vt_x = R->window_vt_y = 0;	593	window_vt_x = window_vt_y = int_bwidth;
501	if (scrollbar_visible(R)) {	594
		595	if (scrollBar.state)
		596	{
502	sb_w = scrollbar_TotalWidth();	597	int sb_w = scrollBar.total_width ();
503	R->szHint.base_width += sb_w;	598	szHint.base_width += sb_w;
		599
504	if (!(R->Options & Opt_scrollBar_right))	600	if (!option (Opt_scrollBar_right))
505	R->window_vt_x = sb_w;	601	window_vt_x += sb_w;
506	}	602	}
507	if (menubar_visible(R)) {	603
508	mb_h = menuBar_TotalHeight();
509	R->szHint.base_height += mb_h;
510	R->window_vt_y = mb_h;
511	}
512	R->szHint.width_inc = R->TermWin.fwidth;	604	szHint.width_inc = fwidth;
513	R->szHint.height_inc = R->TermWin.fheight;	605	szHint.height_inc = fheight;
514	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	606	szHint.min_width = szHint.base_width + szHint.width_inc;
515	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	607	szHint.min_height = szHint.base_height + szHint.height_inc;
516		608
517	if (width && width - R->szHint.base_width < max_width) {	609	if (newwidth && newwidth - szHint.base_width < max_width)
		610	{
518	R->szHint.width = width;	611	szHint.width = newwidth;
519	R->TermWin.width = width - R->szHint.base_width;	612	width = newwidth - szHint.base_width;
520	} else {	613	}
521	MIN_IT(R->TermWin.width, max_width);	614	else
		615	{
		616	min_it (width, max_width);
522	R->szHint.width = R->szHint.base_width + R->TermWin.width;	617	szHint.width = szHint.base_width + width;
523	}	618	}
		619
524	if (height && height - R->szHint.base_height < max_height) {	620	if (newheight && newheight - szHint.base_height < max_height)
		621	{
525	R->szHint.height = height;	622	szHint.height = newheight;
526	R->TermWin.height = height - R->szHint.base_height;	623	height = newheight - szHint.base_height;
527	} else {	624	}
528	MIN_IT(R->TermWin.height, max_height);	625	else
		626	{
		627	min_it (height, max_height);
529	R->szHint.height = R->szHint.base_height + R->TermWin.height;	628	szHint.height = szHint.base_height + height;
530	}	629	}
531	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
532	R->window_sb_x = R->szHint.width - sb_w;
533		630
534	if (recalc_x)	631	if (recalc_x)
535	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	632	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
536	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	633
537	if (recalc_y)	634	if (recalc_y)
538	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	635	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
539	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
540		636
541	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	637	ncol = width / fwidth;
542	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	638	nrow = height / fheight;
543	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
544	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
545	R->szHint.height));
546	return;
547	}	639	}
548		640
549	/*----------------------------------------------------------------------*/	641	/*----------------------------------------------------------------------*/
550	/*	642	/*
551	* Tell the teletype handler what size the window is.	643	* Tell the teletype handler what size the window is.
552	* Called after a window size change.	644	* Called after a window size change.
553	*/	645	*/
554	/* EXTPROTO */
555	void	646	void
556	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	647	rxvt_term::tt_winch ()
557	{	648	{
		649	if (pty->pty < 0)
		650	return;
		651
558	struct winsize ws;	652	struct winsize ws;
559		653
560	if (fd < 0)
561	return;
562	ws.ws_col = col;	654	ws.ws_col = ncol;
563	ws.ws_row = row;	655	ws.ws_row = nrow;
564	ws.ws_xpixel = ws.ws_ypixel = 0;	656	ws.ws_xpixel = width;
565	#ifndef DEBUG_SIZE	657	ws.ws_ypixel = height;
566	(void)ioctl(fd, TIOCSWINSZ, &ws);	658	ioctl (pty->pty, TIOCSWINSZ, &ws);
567	#else	659
568	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	660	#if 0
569	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	661	// TIOCSWINSZ is supposed to do this automatically and correctly
570	}
571	# ifdef SIGWINCH
572	else if (pid) /* force through to the command */	662	if (cmd_pid) /* force through to the command */
573	kill(pid, SIGWINCH);	663	kill (-cmd_pid, SIGWINCH);
574	# endif
575	#endif	664	#endif
576	}	665	}
577		666
578	/*----------------------------------------------------------------------*/	667	/*----------------------------------------------------------------------*/
579	/* rxvt_change_font() - Switch to a new font */	668	/* set_fonts () - load and set the various fonts
580	/*	669	*
581	* init = 1 - initialize	670	* init = 1 - initialize
582	*	671	*
583	* fontname == FONT_UP - switch to bigger font	672	* fontname == FONT_UP - switch to bigger font
584	* fontname == FONT_DN - switch to smaller font	673	* fontname == FONT_DN - switch to smaller font
585	*/	674	*/
586	/* EXTPROTO */	675	bool
587	void	676	rxvt_term::set_fonts ()
588	rxvt_change_font(pR_ int init, const char *fontname)
589	{	677	{
590	}	678	rxvt_fontset *fs = new rxvt_fontset (this);
		679	rxvt_fontprop prop;
591		680
592	/* INTPROTO */	681	if (!fs
		682	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		683	|| !fs->realize_font (1))
		684	{
		685	delete fs;
		686	return false;
		687	}
		688
		689	#if ENABLE_STYLES
		690	for (int i = RS_styleCount; --i; )
		691	if (fontset[i] != fontset[0])
		692	delete fontset[i];
		693	#endif
		694
		695	delete fontset[0];
		696	fontset[0] = fs;
		697
		698	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		699	prop.height += lineSpace;
		700	prop.width += letterSpace;
		701
		702	fs->set_prop (prop, false);
		703
		704	fwidth = prop.width;
		705	fheight = prop.height;
		706	fbase = prop.ascent;
		707
		708	for (int style = 1; style < 4; style++)
		709	{
		710	#if ENABLE_STYLES
		711	const char *res = rs[Rs_font + style];
		712
		713	if (res && !*res)
		714	fontset[style] = fontset[0];
		715	else
		716	{
		717	fontset[style] = fs = new rxvt_fontset (this);
		718	rxvt_fontprop prop2 = prop;
		719
		720	if (res)
		721	{
		722	fs->populate (res);
		723	fs->set_prop (prop2, false);
		724	}
		725	else
		726	{
		727	fs->populate (fontset[0]->fontdesc);
		728
		729	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		730	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		731
		732	fs->set_prop (prop2, true);
		733	}
		734
		735	}
		736	#else
		737	fontset[style] = fontset[0];
		738	#endif
		739	}
		740
		741	if (parent[0])
		742	{
		743	resize_all_windows (0, 0, 0);
		744	scr_remap_chars ();
		745	scr_touch (true);
		746	}
		747
		748	return true;
		749	}
		750
593	void	751	void
594	rxvt_font_up_down(pR_ int n, int direction)	752	rxvt_term::set_string_property (Atom prop, const char *str, int len)
595	{	753	{
		754	XChangeProperty (dpy, parent[0],
		755	prop, XA_STRING, 8, PropModeReplace,
		756	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		757	}
		758
		759	void
		760	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		761	{
		762	XTextProperty ct;
		763
		764	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		765	{
		766	XSetTextProperty (dpy, parent[0], &ct, prop);
		767	XFree (ct.value);
		768	}
		769	}
		770
		771	void
		772	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		773	{
		774	wchar_t *ws = rxvt_mbstowcs (str, len);
		775	char *s = rxvt_wcstoutf8 (ws);
		776
		777	XChangeProperty (dpy, parent[0],
		778	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		779	(const unsigned char *)s, strlen (s));
		780
		781	free (s);
		782	free (ws);
596	}	783	}
597		784
598	/*----------------------------------------------------------------------*/	785	/*----------------------------------------------------------------------*/
599	/*----------------------------------------------------------------------*/	786	/*----------------------------------------------------------------------*/
600	/* xterm sequences - title, iconName, color (exptl) */	787	/* xterm sequences - title, iconName, color (exptl) */
601	/* EXTPROTO */
602	void	788	void
603	rxvt_set_title(pR_ const char *str)	789	rxvt_term::set_title (const char *str)
604	{	790	{
605	#ifndef SMART_WINDOW_TITLE	791	set_mbstring_property (XA_WM_NAME, str);
606	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	792	#if ENABLE_EWMH
607	#else	793	set_utf8_property (xa[XA_NET_WM_NAME], str);
608	char *name;
609
610	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
611	name = NULL;
612	if (name == NULL || STRCMP(name, str))
613	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
614	if (name)
615	XFree(name);
616	#endif	794	#endif
617	}	795	}
618		796
619	/* EXTPROTO */
620	void	797	void
621	rxvt_set_iconName(pR_ const char *str)	798	rxvt_term::set_icon_name (const char *str)
622	{	799	{
623	#ifndef SMART_WINDOW_TITLE	800	set_mbstring_property (XA_WM_ICON_NAME, str);
624	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	801	#if ENABLE_EWMH
625	#else	802	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
626	char *name;
627
628	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
629	name = NULL;
630	if (name == NULL || STRCMP(name, str))
631	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
632	if (name)
633	XFree(name);
634	#endif	803	#endif
635	}	804	}
636		805
		806	void
		807	rxvt_term::set_window_color (int idx, const char *color)
		808	{
637	#ifdef XTERM_COLOR_CHANGE	809	#ifdef XTERM_COLOR_CHANGE
638	/* EXTPROTO */
639	void
640	rxvt_set_window_color(pR_ int idx, const char *color)
641	{
642	rxvt_color xcol;	810	rxvt_color xcol;
643	int i;
644		811
645	if (color == NULL || *color == '\0')	812	if (color == NULL || *color == '\0')
646	return;	813	return;
647		814
		815	color = strdup (color);
		816	allocated.push_back ((void *)color);
		817	rs[Rs_color + idx] = color;
		818
648	/* handle color aliases */	819	/* handle color aliases */
649	if (isdigit(*color)) {	820	if (isdigit (*color))
		821	{
650	i = atoi(color);	822	int i = atoi (color);
651	if (i >= 8 && i <= 15) { /* bright colors */	823
652	i -= 8;	824	if (i >= 8 && i <= 15)
653	# ifndef NO_BRIGHTCOLOR	825	{
654	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	826	/* bright colors */
655	SET_PIXCOLOR(R, idx);	827	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
656	goto Done;	828	goto done;
657	# endif
658	}	829	}
659	if (i >= 0 && i <= 7) { /* normal colors */	830
660	R->PixColors[idx] = R->PixColors[minCOLOR + i];	831	if (i >= 0 && i <= 7)
661	SET_PIXCOLOR(R, idx);	832	{
		833	/* normal colors */
		834	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
662	goto Done;	835	goto done;
663	}	836	}
664	}	837	}
665	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
666	return;
667	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
668		838
669	/*	839	set_color (xcol, color);
		840
		841	/*
670	* FIXME: should free colors here, but no idea how to do it so instead,	842	* FIXME: should free colors here, but no idea how to do it so instead,
671	* so just keep gobbling up the colormap	843	* so just keep gobbling up the colormap
672	*/	844	*/
673	# if 0
674	for (i = Color_Black; i <= Color_White; i++)
675	if (R->PixColors[idx] == R->PixColors[i])
676	break;
677	if (i > Color_White) {
678	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
679	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
680	DisplayPlanes(R->Xdisplay, Xscreen));
681	}
682	# endif
683		845
684	R->PixColors[idx] = xcol;	846	pix_colors_focused[idx] = xcol;
685	SET_PIXCOLOR(R, idx);
686		847
687	/* XSetWindowAttributes attr; */	848	done:
688	/* Cursor cursor; */
689	Done:
690	if (idx == Color_bg && !(R->Options & Opt_transparent))
691	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
692	R->PixColors[Color_bg]);
693
694	/* handle Color_BD, scrollbar background, etc. */	849	/*TODO: handle Color_BD, scrollbar background, etc. */
695		850
696	rxvt_set_colorfgbg(aR);	851	update_fade_color (idx);
697	rxvt_recolour_cursor(aR);	852	recolour_cursor ();
698	/* the only reasonable way to enforce a clean update */	853	scr_recolour ();
699	rxvt_scr_poweron(aR);	854	#endif /* XTERM_COLOR_CHANGE */
700	}	855	}
701		856
702	#else
703	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
704	#endif /* XTERM_COLOR_CHANGE */
705
706	/* EXTPROTO */
707	void	857	void
708	rxvt_recolour_cursor(pR)	858	rxvt_term::recolour_cursor ()
709	{	859	{
710	rxvt_color xcol[2];	860	XColor fg, bg;
711		861
712	#if TODO	862	(ISSET_PIXCOLOR (Color_pointer_fg)
713	xcol[0] = R->PixColors[Color_pointer];	863	? pix_colors_focused[Color_pointer_fg]
714	xcol[1] = R->PixColors[Color_bg];	864	: pix_colors_focused[Color_fg]).get (fg);
715	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	865
716	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	866	(ISSET_PIXCOLOR (Color_pointer_bg)
717	#endif	867	? pix_colors_focused[Color_pointer_bg]
		868	: pix_colors_focused[Color_bg]).get (bg);
		869
		870	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
718	}	871	}
719		872
720	/*----------------------------------------------------------------------*/	873	/*----------------------------------------------------------------------*/
721	/*	874	/*
722	* find if fg/bg matches any of the normal (low-intensity) colors	875	* find if fg/bg matches any of the normal (low-intensity) colors
723	*/	876	*/
724	/* INTPROTO */
725	void	877	void
726	rxvt_set_colorfgbg(pR)	878	rxvt_term::set_colorfgbg ()
727	{	879	{
728	unsigned int i;	880	unsigned int i;
729	const char *xpmb = "\0";	881	const char *xpmb = "";
730	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	882	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
731		883
732	R->env_colorfgbg =	884	strcpy (fstr, "default");
733	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	885	strcpy (bstr, "default");
734	STRCPY(fstr, "default");
735	STRCPY(bstr, "default");
736	for (i = Color_Black; i <= Color_White; i++)	886	for (i = Color_Black; i <= Color_White; i++)
737	if (R->PixColors[Color_fg] == R->PixColors[i]) {	887	if (pix_colors[Color_fg] == pix_colors[i])
		888	{
738	sprintf(fstr, "%d", (i - Color_Black));	889	sprintf (fstr, "%d", (i - Color_Black));
739	break;	890	break;
740	}	891	}
		892
741	for (i = Color_Black; i <= Color_White; i++)	893	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[Color_bg] == R->PixColors[i]) {	894	if (pix_colors[Color_bg] == pix_colors[i])
		895	{
743	sprintf(bstr, "%d", (i - Color_Black));	896	sprintf (bstr, "%d", (i - Color_Black));
744	#ifdef XPM_BACKGROUND	897	#ifdef BG_IMAGE_FROM_FILE
745	xpmb = "default;";	898	xpmb = "default;";
746	#endif	899	#endif
747	break;	900	break;
748	}	901	}
		902
749	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	903	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
750	putenv(R->env_colorfgbg);
751
752	#ifndef NO_BRIGHTCOLOR
753	R->colorfgbg = DEFAULT_RSTYLE;
754	for (i = minCOLOR; i <= maxCOLOR; i++) {
755	if (R->PixColors[Color_fg] == R->PixColors[i])
756	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
757	if (R->PixColors[Color_bg] == R->PixColors[i])
758	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
759	}
760	#endif
761	}	904	}
762		905
763	/*----------------------------------------------------------------------*/	906	/*----------------------------------------------------------------------*/
764	/*
765	* Colour determination for low colour displays, routine from
766	* Hans de Goede <hans@highrise.nl>
767	*/
768		907
769	/* EXTPROTO */	908	bool
770	int	909	rxvt_term::set_color (rxvt_color &color, const char *name)
771	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
772	{	910	{
773	screen_in_out->set(aR_ colour);	911	if (color.set (this, name))
774
775	if (!screen_in_out->set(aR_ colour)) {
776	rxvt_print_error("can't allocate colour: %s", colour);
777	return false;
778	}
779
780	return true;	912	return true;
		913
		914	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		915	return false;
		916	}
		917
		918	void
		919	rxvt_term::alias_color (int dst, int src)
		920	{
		921	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
781	}	922	}
782		923
783	/* -------------------------------------------------------------------- *	924	/* -------------------------------------------------------------------- *
784	* - WINDOW RESIZING - *	925	* - WINDOW RESIZING - *
785	* -------------------------------------------------------------------- */	926	* -------------------------------------------------------------------- */
786	/* EXTPROTO */
787	void	927	void
788	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	928	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
789	int ignoreparent)
790	{	929	{
791	int fix_screen;	930	int fix_screen;
		931	int old_width = szHint.width;
		932	int old_height = szHint.height;
792		933
		934	window_calc (newwidth, newheight);
		935
		936	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		937
		938	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		939	if (set_hint)
		940	{
		941	szHint.flags &= ~(PBaseSize | PResizeInc);
		942	XSetWMNormalHints (dpy, parent[0], &szHint);
		943	szHint.flags |= PBaseSize | PResizeInc;
		944	}
		945
		946	if (!ignoreparent)
		947	{
793	#ifdef SMART_RESIZE	948	#ifdef SMART_RESIZE
794	int old_width = R->szHint.width, old_height = R->szHint.height;	949	/*
795	#endif
796
797	rxvt_window_calc(aR_ width, height);
798	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
799	if (!ignoreparent) {
800	#ifdef SMART_RESIZE
801	/*
802	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	950	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
803	* reposition window on resize depending on placement on screen	951	* reposition window on resize depending on placement on screen
804	*/	952	*/
805	int x, y, x1, y1;	953	int x, y, x1, y1;
806	int dx, dy;	954	int dx, dy;
807	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	955	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
808	Window unused_cr;	956	Window unused_cr;
809		957
810	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	958	XTranslateCoordinates (dpy, parent[0], display->root,
811	0, 0, &x, &y, &unused_cr);	959	0, 0, &x, &y, &unused_cr);
812	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	960	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
813	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	961	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
814	/*	962	/*
815	* if Xroot isn't the parent window, a WM will probably have offset	963	* if display->root isn't the parent window, a WM will probably have offset
816	* our position for handles and decorations. Counter it	964	* our position for handles and decorations. Counter it
817	*/	965	*/
818	if (x1 != x || y1 != y) {	966	if (x1 != x || y1 != y)
		967	{
819	x -= x1;	968	x -= x1;
820	y -= y1;	969	y -= y1;
821	}	970	}
822		971
823	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	972	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
824	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	973	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
825	dx = old_width - R->szHint.width;	974	dx = old_width - szHint.width;
826	dy = old_height - R->szHint.height;	975	dy = old_height - szHint.height;
827		976
828	/* Check position of the center of the window */	977	/* Check position of the center of the window */
829	if (x < x1) /* left half */	978	if (x < x1) /* left half */
830	dx = 0;	979	dx = 0;
831	else if (x == x1) /* exact center */	980	else if (x == x1) /* exact center */
832	dx /= 2;	981	dx /= 2;
833	if (y < y1) /* top half */	982	if (y < y1) /* top half */
834	dy = 0;	983	dy = 0;
835	else if (y == y1) /* exact center */	984	else if (y == y1) /* exact center */
836	dy /= 2;	985	dy /= 2;
837		986
838	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	987	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
839	R->szHint.width, R->szHint.height);	988	szHint.width, szHint.height);
840	#else	989	#else
841	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	990	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
842	R->szHint.height);
843	#endif	991	#endif
844	}	992	}
845		993
846	fix_screen = (R->TermWin.ncol != R->prev_ncol	994	if (set_hint)
847	|| R->TermWin.nrow != R->prev_nrow);	995	XSetWMNormalHints (dpy, parent[0], &szHint);
		996
		997	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		998
848	if (fix_screen || width != R->old_width || height != R->old_height) {	999	if (fix_screen || newwidth != old_width || newheight != old_height)
849	if (scrollbar_visible(R)) {
850	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
851	0, scrollbar_TotalWidth(), R->szHint.height);
852	rxvt_Resize_scrollBar(aR);
853	}
854	if (menubar_visible(R))
855	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
856	0, TermWin_TotalWidth(), menuBar_TotalHeight());
857	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
858	R->window_vt_y, TermWin_TotalWidth(),
859	TermWin_TotalHeight());
860	#ifdef RXVT_GRAPHICS
861	if (R->old_height)
862	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
863	R->old_height - R->szHint.base_height);
864	#endif
865	rxvt_scr_clear(aR);
866	#ifdef XPM_BACKGROUND
867	rxvt_resize_pixmap(aR);
868	#endif
869	}	1000	{
		1001	if (scrollBar.state)
		1002	scrollBar.resize ();
870		1003
		1004	XMoveResizeWindow (dpy, vt,
		1005	window_vt_x, window_vt_y,
		1006	width, height);
		1007
		1008	#ifdef HAVE_BG_PIXMAP
		1009	if (bgPixmap.window_size_sensitive ())
		1010	update_background ();
		1011	#endif
		1012	}
		1013
871	if (fix_screen || R->old_height == 0) {	1014	if (fix_screen || old_height == 0)
872	int curr_screen = -1;	1015	scr_reset ();
873	uint16_t old_ncol = R->prev_ncol;
874		1016
875	/* scr_reset only works on the primary screen */	1017	#ifdef HAVE_BG_PIXMAP
876	if (R->old_height) /* this is not the first time through */	1018	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
877	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1019	// if (bgPixmap.pixmap)
878	rxvt_scr_reset(aR);	1020	// scr_touch (false);
879	if (curr_screen >= 0) { /* this is not the first time through */	1021	#endif
880	rxvt_scr_change_screen(aR_ curr_screen);
881	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
882	}
883	}
884
885	R->old_width = R->szHint.width;
886	R->old_height = R->szHint.height;
887		1022
888	#ifdef USE_XIM	1023	#ifdef USE_XIM
889	rxvt_IMSetStatusPosition(aR);	1024	IMSetPosition ();
890	#endif	1025	#endif
891	}	1026	}
892		1027
893	/*	1028	/*
894	* Set the width/height of the vt window in characters. Units are pixels.	1029	* Set the width/height of the vt window in characters. Units are pixels.
895	* good for toggling 80/132 columns	1030	* good for toggling 80/132 columns
896	*/	1031	*/
897	/* EXTPROTO */
898	void	1032	void
899	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1033	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
900	{	1034	{
901	XWindowAttributes wattr;	1035	XWindowAttributes wattr;
902		1036
903	if (width == 0 || height == 0) {	1037	if (newwidth == 0 || newheight == 0)
		1038	{
904	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1039	XGetWindowAttributes (dpy, display->root, &wattr);
		1040
905	if (width == 0)	1041	if (newwidth == 0)
906	width = wattr.width - R->szHint.base_width;	1042	newwidth = wattr.width - szHint.base_width;
907	if (height == 0)	1043	if (newheight == 0)
908	height = wattr.height - R->szHint.base_height;	1044	newheight = wattr.height - szHint.base_height;
		1045	}
		1046
		1047	if (newwidth != width || newheight != height)
909	}	1048	{
910	if (width != R->TermWin.width || height != R->TermWin.height) {
911	width += R->szHint.base_width;	1049	newwidth += szHint.base_width;
912	height += R->szHint.base_height;	1050	newheight += szHint.base_height;
913	rxvt_resize_all_windows(aR_ width, height, 0);	1051	resize_all_windows (newwidth, newheight, 0);
914	}	1052	}
915	}	1053	}
916		1054
917	/* -------------------------------------------------------------------- *	1055	/* -------------------------------------------------------------------- *
918	* - X INPUT METHOD ROUTINES - *	1056	* - X INPUT METHOD ROUTINES - *
919	* -------------------------------------------------------------------- */	1057	* -------------------------------------------------------------------- */
920	#ifdef USE_XIM	1058	#ifdef USE_XIM
921	/* INTPROTO */
922	void
923	rxvt_setSize(pR_ XRectangle * size)
924	{
925	size->x = R->TermWin.int_bwidth;
926	size->y = R->TermWin.int_bwidth;
927	size->width = Width2Pixel(R->TermWin.ncol);
928	size->height = Height2Pixel(R->TermWin.nrow);
929	}
930		1059
931	/* INTPROTO */
932	void	1060	void
933	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1061	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
934	{	1062	{
935	*fg = R->PixColors[Color_fg];	1063	fg = pix_colors [Color_fg];
936	*bg = R->PixColors[Color_bg];	1064	bg = pix_colors [Color_bg];
		1065	}
		1066
		1067	void
		1068	rxvt_term::im_set_size (XRectangle &size)
		1069	{
		1070	// the int_bwidth terms make no sense to me
		1071	size.x = int_bwidth;
		1072	size.y = int_bwidth;
		1073	size.width = Width2Pixel (ncol) + int_bwidth;
		1074	size.height = Height2Pixel (nrow) + int_bwidth;
		1075	}
		1076
		1077	void
		1078	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1079	XRectangle &status_rect,
		1080	const XRectangle &needed_rect)
		1081	{
		1082	preedit_rect.x = needed_rect.width;
		1083	preedit_rect.y = 0;
		1084	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1085	preedit_rect.height = fheight;
		1086
		1087	status_rect.x = 0;
		1088	status_rect.y = 0;
		1089	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1090	status_rect.height = fheight;
937	}	1091	}
938		1092
939	/* Checking whether input method is running. */	1093	/* Checking whether input method is running. */
940	/* INTPROTO */
941	Bool	1094	bool
942	rxvt_IMisRunning(pR)	1095	rxvt_term::IMisRunning ()
943	{	1096	{
944	char *p;	1097	Atom atom;
945	Atom atom;	1098	Window win;
946	Window win;
947	char server[IMBUFSIZ];	1099	char server[IMBUFSIZ];
948		1100
949	/* get current locale modifier */	1101	/* get current locale modifier */
950	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1102	if (char *p = XSetLocaleModifiers (0))
		1103	{
951	STRCPY(server, "@server=");	1104	strcpy (server, "@server=");
952	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1105	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1106
953	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1107	if (p = strchr (server + 1, '@')) /* first one only */
954	*p = '\0';	1108	*p = '\0';
955		1109
956	atom = XInternAtom(R->Xdisplay, server, False);	1110	atom = XInternAtom (dpy, server, False);
957	win = XGetSelectionOwner(R->Xdisplay, atom);	1111	win = XGetSelectionOwner (dpy, atom);
		1112
958	if (win != None)	1113	if (win != None)
959	return True;	1114	return True;
960	}	1115	}
		1116
961	return False;	1117	return False;
962	}	1118	}
963		1119
964	/* EXTPROTO */
965	void	1120	void
966	rxvt_IMSendSpot(pR)	1121	rxvt_term::IMSendSpot ()
967	{	1122	{
968	XPoint spot;	1123	XPoint nspot;
969	XVaNestedList preedit_attr;	1124	XVaNestedList preedit_attr;
970		1125
971	if (R->Input_Context == NULL	1126	if (!Input_Context
972	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1127	|| !focus
973	|| !(R->event_type == KeyPress	1128	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
974	|| R->event_type == Expose
975	|| R->event_type == NoExpose
976	|| R->event_type == SelectionNotify
977	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
978	|| !rxvt_IMisRunning(aR))
979	return;	1129	return;
980		1130
981	rxvt_setPosition(aR_ & spot);	1131	im_set_position (nspot);
982		1132
		1133	if (nspot.x == spot.x && nspot.y == spot.y)
		1134	return;
		1135
		1136	spot = nspot;
		1137
983	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1138	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
984	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1139	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
985	XFree(preedit_attr);	1140	XFree (preedit_attr);
986	}	1141	}
987		1142
988	/* EXTPROTO */
989	void	1143	void
990	rxvt_setTermFontSet(pR_ int idx)	1144	rxvt_term::im_destroy ()
991	{	1145	{
992	char *string;	1146	if (input_method)
993	long length;	1147	{
994	int success = 0;	1148	if (Input_Context && input_method->xim)
		1149	XDestroyIC (Input_Context);
995		1150
996	if (idx < 0 || idx >= MAX_NFONTS)	1151	display->put_xim (input_method);
997	return;	1152	input_method = 0;
998	}	1153	}
999		1154
1000	/* INTPROTO */
1001	void
1002	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1003	XRectangle * needed_rect)
1004	{
1005	int mbh, vtx = 0;
1006
1007	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1008	vtx = scrollbar_TotalWidth();
1009	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1010	mbh -= R->TermWin.lineSpace;
1011
1012	preedit_rect->x = needed_rect->width + vtx;
1013	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1014
1015	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1016	+ vtx;
1017	preedit_rect->height = Height2Pixel(1);
1018
1019	status_rect->x = vtx;
1020	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1021
1022	status_rect->width = needed_rect->width ? needed_rect->width
1023	: Width2Pixel(R->TermWin.ncol + 1);
1024	status_rect->height = Height2Pixel(1);
1025	}
1026
1027	/* ARGSUSED */
1028	/* INTPROTO */
1029	void
1030	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1031	__attribute__ ((unused)), XPointer call_data
1032	__attribute__ ((unused)))
1033	{
1034	dR;
1035
1036	R->Input_Context = NULL;	1155	Input_Context = 0;
1037	/* To avoid Segmentation Fault in C locale: Solaris only? */
1038	if (STRCMP(R->locale, "C"))
1039	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1040	rxvt_IMInstantiateCallback, NULL);
1041	}	1156	}
1042		1157
1043	/*	1158	#ifdef ENABLE_XIM_ONTHESPOT
1044	* X manual pages and include files don't match on some systems:
1045	* some think this is an XIDProc and others an XIMProc so we can't
1046	* use the first argument - need to update this to be nice for
1047	* both types via some sort of configure detection
1048	*/
1049	/* ARGSUSED */
1050	/* EXTPROTO */
1051	void
1052	rxvt_IMInstantiateCallback(Display * unused
1053	__attribute__ ((unused)), XPointer client_data
1054	__attribute__ ((unused)), XPointer call_data
1055	__attribute__ ((unused)))
1056	{
1057	dR;
1058	int i, found, had_im;
1059	const char *p;
1060	char **s;
1061	char buf[IMBUFSIZ];
1062		1159
1063	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1160	static void
1064	if (R->Input_Context)	1161	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1065	return;	1162	{
		1163	((rxvt_term *)client_data)->make_current ();
		1164	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1165	}
1066		1166
1067	found = had_im = 0;	1167	static void
1068	p = R->rs[Rs_inputMethod];	1168	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1069	if (p && *p) {	1169	{
1070	had_im = 1;	1170	((rxvt_term *)client_data)->make_current ();
1071	s = rxvt_splitcommastring(p);	1171	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1072	for (i = 0; s[i]; i++) {	1172	}
1073	if (*s[i]) {	1173
1074	STRCPY(buf, "@im=");	1174	static void
1075	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1175	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1076	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1176	{
1077	&& (rxvt_IM_get_IC(aR) == True)) {	1177	rxvt_term *term = (rxvt_term *)client_data;
1078	found = 1;	1178	XIMText *text = call_data->text;
1079	break;	1179
1080	}	1180	term->make_current ();
1081	}	1181
		1182	if (text)
		1183	{
		1184	wchar_t *str;
		1185
		1186	if (!text->encoding_is_wchar && text->string.multi_byte)
		1187	{
		1188	// of course, X makes it ugly again
		1189	if (term->rs[Rs_imLocale])
		1190	SET_LOCALE (term->rs[Rs_imLocale]);
		1191
		1192	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1193	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1194
		1195	if (term->rs[Rs_imLocale])
		1196	SET_LOCALE (term->locale);
1082	}	1197	}
1083	for (i = 0; s[i]; i++)	1198	else
1084	free(s[i]);	1199	str = text->string.wide_char;
1085	free(s);
1086	}
1087	if (found)
1088	return;
1089		1200
1090	/* try with XMODIFIERS env. var. */	1201	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1091	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1202	DT_INT, call_data->caret,
1092	rxvt_IM_get_IC(aR);	1203	DT_INT, call_data->chg_first,
1093	return;	1204	DT_INT, call_data->chg_length,
		1205	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1206	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1207	DT_END));
1094	}	1208	}
1095		1209	else
1096	/* try with no modifiers base IF the user didn't specify an IM */	1210	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1097	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1211	DT_INT, call_data->caret,
1098	&& rxvt_IM_get_IC(aR) == True)	1212	DT_INT, call_data->chg_first,
1099	return;	1213	DT_INT, call_data->chg_length,
		1214	DT_END));
1100	}	1215	}
		1216
		1217	#if 0
		1218	static void
		1219	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1220	{
		1221	((rxvt_term *)client_data)->make_current ();
		1222	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1223	DT_INT, call_data->position,
		1224	DT_INT, call_data->direction,
		1225	DT_INT, call_data->style,
		1226	DT_END));
		1227	}
		1228	#endif
		1229
		1230	#endif
1101		1231
1102	/*	1232	/*
1103	* Try to open a XIM with the current modifiers, then see if we can	1233	* Try to open a XIM with the current modifiers, then see if we can
1104	* open a suitable preedit type	1234	* open a suitable preedit type
1105	*/	1235	*/
1106	/* INTPROTO */
1107	Bool	1236	bool
1108	rxvt_IM_get_IC(pR)	1237	rxvt_term::IM_get_IC (const char *modifiers)
1109	{	1238	{
1110	int i, j, found;	1239	int i, j, found;
1111	XIM xim;	1240	XIM xim;
1112	XPoint spot;	1241	XPoint spot;
1113	XRectangle rect, status_rect, needed_rect;	1242	XRectangle rect, status_rect, needed_rect;
1114	unsigned long fg, bg;	1243	unsigned long fg, bg;
1115	const char *p;	1244	const char *p;
1116	char **s;	1245	char **s;
1117	XIMStyles *xim_styles;	1246	XIMStyles *xim_styles;
1118	XVaNestedList preedit_attr, status_attr;	1247	#ifdef ENABLE_XIM_ONTHESPOT
1119	XIMCallback ximcallback;	1248	XIMCallback xcb[4];
		1249	#endif
1120		1250
1121	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1251	set_environ (envv);
1122	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1252
1123	if (xim == NULL)	1253	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1124	return False;	1254	return false;
1125		1255
		1256	input_method = display->get_xim (locale, modifiers);
		1257	if (input_method == NULL)
		1258	return false;
		1259
		1260	xim = input_method->xim;
		1261	spot.x = spot.y = -1;
		1262
1126	xim_styles = NULL;	1263	xim_styles = NULL;
1127	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1264	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1128	|| !xim_styles || !xim_styles->count_styles) {	1265	|| !xim_styles || !xim_styles->count_styles)
1129	XCloseIM(xim);	1266	{
		1267	im_destroy ();
1130	return False;	1268	return false;
		1269	}
		1270
		1271	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1272
		1273	for (int pi = 0; pi < 2; pi++)
1131	}	1274	{
		1275	p = pet[pi];
1132		1276
1133	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1277	if (!p)
1134	: "OverTheSpot,OffTheSpot,Root";	1278	continue;
		1279
1135	s = rxvt_splitcommastring(p);	1280	s = rxvt_splitcommastring (p);
		1281
1136	for (i = found = 0; !found && s[i]; i++) {	1282	for (i = found = 0; !found && s[i]; i++)
		1283	{
1137	if (!STRCMP(s[i], "OverTheSpot"))	1284	if (!strcmp (s[i], "OverTheSpot"))
1138	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1285	input_style = XIMPreeditPosition | XIMStatusNothing;
1139	else if (!STRCMP(s[i], "OffTheSpot"))	1286	else if (!strcmp (s[i], "OffTheSpot"))
1140	R->input_style = (XIMPreeditArea | XIMStatusArea);	1287	input_style = XIMPreeditArea | XIMStatusArea;
1141	else if (!STRCMP(s[i], "Root"))	1288	else if (!strcmp (s[i], "Root"))
1142	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1289	input_style = XIMPreeditNothing | XIMStatusNothing;
		1290	else if (!strcmp (s[i], "None"))
		1291	input_style = XIMPreeditNone | XIMStatusNone;
		1292	#ifdef ENABLE_XIM_ONTHESPOT
		1293	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1294	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1295	#endif
		1296	else
		1297	input_style = XIMPreeditNothing | XIMStatusNothing;
1143		1298
1144	for (j = 0; j < xim_styles->count_styles; j++)	1299	for (j = 0; j < xim_styles->count_styles; j++)
1145	if (R->input_style == xim_styles->supported_styles[j]) {	1300	if (input_style == xim_styles->supported_styles[j])
		1301	{
		1302	rxvt_freecommastring (s);
		1303
1146	found = 1;	1304	found = 1;
		1305	goto foundpet;
		1306	}
		1307
		1308	}
		1309
		1310	rxvt_freecommastring (s);
		1311	}
		1312
		1313	foundpet:
		1314
		1315	XFree (xim_styles);
		1316
		1317	if (!found)
		1318	{
		1319	im_destroy ();
		1320	return false;
		1321	}
		1322
		1323	XFontSet fs = 0;
		1324	XVaNestedList preedit_attr = 0, status_attr = 0;
		1325
		1326	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1327	{
		1328	// fake us a font-set, please
		1329	char **missing_charset_list;
		1330	int missing_charset_count;
		1331	char *def_string;
		1332	char pat[512];
		1333
		1334	sprintf (pat,
		1335	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1336	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1337	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1338	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1339	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1340	"*",
		1341	fheight,
		1342	fheight + 1, fheight - 1,
		1343	fheight - 2, fheight + 2);
		1344
		1345	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1346	&missing_charset_list, &missing_charset_count, &def_string);
		1347
		1348	if (missing_charset_list)
		1349	XFreeStringList (missing_charset_list);
		1350
		1351	if (!fs)
		1352	{
		1353	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1354	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1355	}
		1356	}
		1357
		1358	if (input_style & XIMPreeditPosition)
		1359	{
		1360	im_set_size (rect);
		1361	im_set_position (spot);
		1362	im_set_color (fg, bg);
		1363
		1364	preedit_attr = XVaCreateNestedList (0,
		1365	XNForeground, fg,
		1366	XNBackground, bg,
		1367	XNArea, &rect,
		1368	XNSpotLocation, &spot,
		1369	XNFontSet, fs,
		1370	NULL);
		1371	}
		1372	else if (input_style & XIMPreeditArea)
		1373	{
		1374	im_set_color (fg, bg);
		1375
		1376	/*
		1377	* The necessary width of preedit area is unknown
		1378	* until create input context.
		1379	*/
		1380	needed_rect.width = 0;
		1381	im_set_preedit_area (rect, status_rect, needed_rect);
		1382
		1383	preedit_attr = XVaCreateNestedList (0,
		1384	XNForeground, fg,
		1385	XNBackground, bg,
		1386	XNArea, &rect,
		1387	XNFontSet, fs,
		1388	NULL);
		1389	status_attr = XVaCreateNestedList (0,
		1390	XNForeground, fg,
		1391	XNBackground, bg,
		1392	XNArea, &status_rect,
		1393	XNFontSet, fs,
		1394	NULL);
		1395	}
		1396	#if ENABLE_XIM_ONTHESPOT
		1397	else if (input_style & XIMPreeditCallbacks)
		1398	{
		1399	im_set_position (spot);
		1400
		1401	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1402	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1403	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1404	# if 0
		1405	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1406	# endif
		1407
		1408	preedit_attr = XVaCreateNestedList (0,
		1409	XNSpotLocation, &spot,
		1410	XNPreeditStartCallback, &xcb[0],
		1411	XNPreeditDoneCallback , &xcb[1],
		1412	XNPreeditDrawCallback , &xcb[2],
		1413	# if 0
		1414	XNPreeditCaretCallback, &xcb[3],
		1415	# endif
		1416	NULL);
		1417	}
		1418	#endif
		1419
		1420	Input_Context = XCreateIC (xim,
		1421	XNInputStyle, input_style,
		1422	XNClientWindow, vt,
		1423	XNFocusWindow, parent[0],
		1424	preedit_attr ? XNPreeditAttributes : NULL,
		1425	preedit_attr,
		1426	status_attr ? XNStatusAttributes : NULL,
		1427	status_attr, NULL);
		1428
		1429	if (preedit_attr) XFree (preedit_attr);
		1430	if (status_attr) XFree (status_attr);
		1431	if (fs) XFreeFontSet (dpy, fs);
		1432
		1433	if (Input_Context == NULL)
		1434	{
		1435	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1436	im_destroy ();
		1437	return false;
		1438	}
		1439
		1440	#if 0
		1441	// unfortunately, only the focus window is used by XIM, hard to fix
		1442	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1443	vt_select_input ();
		1444	#endif
		1445
		1446	IMSetPosition ();
		1447
		1448	return true;
		1449	}
		1450
		1451	void
		1452	rxvt_term::im_cb ()
		1453	{
		1454	int i;
		1455	const char *p;
		1456	char **s;
		1457	char buf[IMBUFSIZ];
		1458
		1459	make_current ();
		1460
		1461	im_destroy ();
		1462
		1463	if (Input_Context)
		1464	return;
		1465
		1466	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1467	if (rs[Rs_imLocale])
		1468	SET_LOCALE (rs[Rs_imLocale]);
		1469	#endif
		1470
		1471	p = rs[Rs_inputMethod];
		1472	if (p && *p)
		1473	{
		1474	bool found = false;
		1475
		1476	s = rxvt_splitcommastring (p);
		1477
		1478	for (i = 0; s[i]; i++)
		1479	{
		1480	if (*s[i])
		1481	{
		1482	strcpy (buf, "@im=");
		1483	strncat (buf, s[i], IMBUFSIZ - 5);
		1484	if (IM_get_IC (buf))
		1485	{
		1486	found = true;
1147	break;	1487	break;
		1488	}
1148	}	1489	}
1149	}	1490	}
1150	for (i = 0; s[i]; i++)
1151	free(s[i]);
1152	free(s);
1153	XFree(xim_styles);
1154		1491
		1492	rxvt_freecommastring (s);
		1493
1155	if (!found) {	1494	if (found)
1156	XCloseIM(xim);	1495	goto done;
1157	return False;
1158	}	1496	}
1159		1497
1160	ximcallback.callback = rxvt_IMDestroyCallback;	1498	/* try with XMODIFIERS env. var. */
		1499	if (IM_get_IC (""))
		1500	goto done;
1161		1501
1162	/* XXX: not sure why we need this (as well as IC one below) */	1502	/* try with no modifiers base IF the user didn't specify an IM */
1163	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1503	if (IM_get_IC ("@im=none"))
		1504	goto done;
1164		1505
1165	preedit_attr = status_attr = NULL;	1506	done:
1166		1507	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1167	if (R->input_style & XIMPreeditPosition) {	1508	if (rs[Rs_imLocale])
1168	rxvt_setSize(aR_ & rect);	1509	SET_LOCALE (locale);
1169	rxvt_setPosition(aR_ & spot);	1510	#endif
1170	rxvt_setColor(aR_ & fg, &bg);
1171
1172	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1173	XNSpotLocation, &spot,
1174	XNForeground, fg, XNBackground, bg,
1175	//XNFontSet, R->TermWin.fontset,
1176	NULL);
1177	} else if (R->input_style & XIMPreeditArea) {
1178	rxvt_setColor(aR_ & fg, &bg);
1179
1180	/*
1181	* The necessary width of preedit area is unknown
1182	* until create input context.
1183	*/
1184	needed_rect.width = 0;
1185
1186	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1187
1188	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1189	XNForeground, fg, XNBackground, bg,
1190	//XNFontSet, R->TermWin.fontset,
1191	NULL);
1192	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1193	XNForeground, fg, XNBackground, bg,
1194	//XNFontSet, R->TermWin.fontset,
1195	NULL);
1196	}
1197	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1198	XNClientWindow, R->TermWin.parent[0],
1199	XNFocusWindow, R->TermWin.parent[0],
1200	XNDestroyCallback, &ximcallback,
1201	preedit_attr ? XNPreeditAttributes : NULL,
1202	preedit_attr,
1203	status_attr ? XNStatusAttributes : NULL,
1204	status_attr, NULL);
1205	if (preedit_attr)
1206	XFree(preedit_attr);
1207	if (status_attr)
1208	XFree(status_attr);
1209	if (R->Input_Context == NULL) {
1210	rxvt_print_error("failed to create input context");
1211	XCloseIM(xim);
1212	return False;
1213	}
1214	if (R->input_style & XIMPreeditArea)
1215	rxvt_IMSetStatusPosition(aR);
1216	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1217	return True;
1218	}	1511	}
1219		1512
1220	/* EXTPROTO */
1221	void	1513	void
1222	rxvt_IMSetStatusPosition(pR)	1514	rxvt_term::IMSetPosition ()
1223	{	1515	{
1224	XRectangle preedit_rect, status_rect, *needed_rect;	1516	XRectangle preedit_rect, status_rect, *needed_rect;
1225	XVaNestedList preedit_attr, status_attr;	1517	XVaNestedList preedit_attr, status_attr;
1226		1518
1227	if (R->Input_Context == NULL	1519	if (!Input_Context
1228	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1520	|| !focus
		1521	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1229	|| !rxvt_IMisRunning(aR))	1522	|| !IMisRunning ())
1230	return;	1523	return;
1231		1524
		1525	if (input_style & XIMPreeditPosition)
		1526	{
		1527	im_set_size (preedit_rect);
		1528	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1529
		1530	XSetICValues (Input_Context,
		1531	XNPreeditAttributes, preedit_attr, NULL);
		1532	}
		1533	else
		1534	{
1232	/* Getting the necessary width of preedit area */	1535	/* Getting the necessary width of preedit area */
1233	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1536	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1234	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1537	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1235	XFree(status_attr);	1538	XFree (status_attr);
1236		1539
1237	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1540	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1541	XFree (needed_rect);
1238		1542
1239	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1543	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1240	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1544	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1241		1545
1242	XSetICValues(R->Input_Context,	1546	XSetICValues (Input_Context,
1243	XNPreeditAttributes, preedit_attr,	1547	XNPreeditAttributes, preedit_attr,
1244	XNStatusAttributes, status_attr, NULL);	1548	XNStatusAttributes, status_attr,
		1549	NULL);
1245		1550
		1551	XFree (status_attr);
		1552	}
		1553
1246	XFree(preedit_attr);	1554	XFree (preedit_attr);
1247	XFree(status_attr);
1248	}	1555	}
1249	#endif /* USE_XIM */	1556	#endif /* USE_XIM */
1250		1557
1251	/*----------------------------------------------------------------------*/	1558	void
1252	rxvt_t rxvt_current_term;	1559	rxvt_term::get_window_origin (int &x, int &y)
		1560	{
		1561	Window cr;
		1562	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1563	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1564	}
		1565
		1566	Pixmap
		1567	rxvt_term::get_pixmap_property (int prop_id)
		1568	{
		1569	if (prop_id > 0 && prop_id < NUM_XA)
		1570	if (xa[prop_id])
		1571	{
		1572	int aformat;
		1573	unsigned long nitems, bytes_after;
		1574	Atom atype;
		1575	unsigned char *prop = NULL;
		1576	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1577	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1578	&nitems, &bytes_after, &prop);
		1579	if (result == Success && prop && atype == XA_PIXMAP)
		1580	return *(Pixmap *)prop;
		1581	}
		1582
		1583	return None;
		1584	}
		1585
		1586	#ifdef HAVE_BG_PIXMAP
		1587	# if TRACE_PIXMAPS
		1588	# undef update_background
		1589	void
		1590	rxvt_term::trace_update_background (const char *file, int line)
		1591	{
		1592	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1593	update_background ();
		1594	}
		1595	# endif
		1596
		1597	void
		1598	rxvt_term::update_background ()
		1599	{
		1600	if (update_background_ev.is_active ())
		1601	return;
		1602
		1603	bgPixmap.invalidate ();
		1604
		1605	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1606
		1607	if (to_wait <= 0.)
		1608	bgPixmap.render ();
		1609	else
		1610	update_background_ev.start (to_wait);
		1611	}
		1612
		1613	void
		1614	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1615	{
		1616	make_current ();
		1617
		1618	update_background_ev.stop ();
		1619	bgPixmap.render ();
		1620	refresh_check ();
		1621	}
		1622
		1623	#endif /* HAVE_BG_PIXMAP */
1253		1624
1254	/*----------------------- end-of-file (C source) -----------------------*/	1625	/*----------------------- end-of-file (C source) -----------------------*/

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