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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.2 by pcg, Mon Nov 24 17:31:27 2003 UTC vs.
Revision 1.303 by ayin, Sun Jan 27 22:48:33 2008 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.2 2003/11/24 17:31:27 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>
10	* - extensive modifications	9	* - extensive modifications
11	* Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>	10	* Copyright (c) 1995 Garrett D'Amore <garrett@netcom.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.
…		…
28	* You should have received a copy of the GNU General Public License	28	* You should have received a copy of the GNU General Public License
29	* along with this program; if not, write to the Free Software	29	* along with this program; if not, write to the Free Software
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
37	#include <signal.h>	40	#include <csignal>
		41	#include <cstring>
38		42
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>
41	#endif
42
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	43	#include <termios.h>
45	#endif
46		44
47	/*----------------------------------------------------------------------*/	45	#ifdef HAVE_XSETLOCALE
48	/* rxvt_init() */	46	# define X_LOCALE
49	/* LIBPROTO */	47	# include <X11/Xlocale.h>
50	rxvt_t *
51	rxvt_init(int argc, const char *const *argv)
52	{
53	const char **cmd_argv;
54
55	SET_R ((rxvt_t *)rxvt_calloc(1, sizeof(rxvt_t)));
56
57	dR;
58	if (rxvt_init_vars(aR) < 0) {
59	free(R);
60	return NULL;
61	}
62
63	/*
64	* Save and then give up any super-user privileges
65	* If we need privileges in any area then we must specifically request it.
66	* We should only need to be root in these cases:
67	* 1. write utmp entries on some systems
68	* 2. chown tty on some systems
69	*/
70	rxvt_privileges(aR_ SAVE);
71	rxvt_privileges(aR_ IGNORE);
72
73	rxvt_init_secondary(aR);
74
75	cmd_argv = rxvt_init_resources(aR_ argc, argv);
76
77	#if (MENUBAR_MAX)
78	rxvt_menubar_read(aR_ R->h->rs[Rs_menu]);
79	#endif
80	#ifdef HAVE_SCROLLBARS
81	if (R->Options & Opt_scrollBar)
82	scrollbar_setIdle(); /* set existence for size calculations */
83	#endif
84
85	rxvt_Create_Windows(aR_ argc, argv);
86
87	rxvt_init_xlocale(aR);
88
89	rxvt_scr_reset(aR); /* initialize screen */
90	#ifdef RXVT_GRAPHICS
91	rxvt_Gr_reset(aR); /* reset graphics */
92	#endif
93
94	#if 0
95	#ifdef DEBUG_X
96	XSynchronize(R->Xdisplay, True);
97	XSetErrorHandler((XErrorHandler) abort);
98	#else	48	#else
99	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);	49	# ifdef HAVE_SETLOCALE
		50	# include <clocale>
100	#endif	51	# endif
101	#endif	52	#endif
102		53
		54	vector<rxvt_term *> rxvt_term::termlist;
		55
		56	// used to tell global functions which terminal instance is "active"
		57	rxvt_t rxvt_current_term;
		58
		59	static char curlocale[128], savelocale[128];
		60
		61	bool
		62	rxvt_set_locale (const char *locale) NOTHROW
		63	{
		64	int size = strlen (locale) + 1;
		65
		66	if (size > sizeof (curlocale))
		67	rxvt_fatal ("locale string too long, aborting.\n");
		68
		69	if (!locale || !memcmp (locale, curlocale, size))
		70	return false;
		71
		72	memcpy (curlocale, locale, size);
		73	setlocale (LC_CTYPE, curlocale);
		74	return true;
		75	}
		76
		77	void
		78	rxvt_push_locale (const char *locale) NOTHROW
		79	{
		80	strcpy (savelocale, curlocale);
		81	rxvt_set_locale (locale);
		82	}
		83
		84	void
		85	rxvt_pop_locale () NOTHROW
		86	{
		87	rxvt_set_locale (savelocale);
		88	}
		89
		90	#if ENABLE_COMBINING
		91	class rxvt_composite_vec rxvt_composite;
		92
		93	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		94	{
		95	compose_char *cc;
		96
		97	// break compose chains, as stupid readline really likes to duplicate
		98	// composing characters for some reason near the end of a line.
		99	cc = (*this)[c1];
		100	while (cc)
		101	{
		102	if (cc->c2 == c2) return c1;
		103	cc = (*this)[cc->c1];
		104	}
		105
		106	// check to see wether this combination already exists otherwise
		107	for (cc = v.end (); cc-- > v.begin (); )
		108	{
		109	if (cc->c1 == c1 && cc->c2 == c2)
		110	return COMPOSE_LO + (cc - v.begin ());
		111	}
		112
		113	// allocate a new combination
		114	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		115	{
		116	static int seen;
		117
		118	if (!seen++)
		119	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		120
		121	return REPLACEMENT_CHAR;
		122	}
		123
		124	v.push_back (compose_char (c1, c2));
		125
		126	return v.size () - 1 + COMPOSE_LO;
		127	}
		128
		129	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		130	{
		131	compose_char *cc = (*this)[c];
		132
		133	if (!cc)
		134	{
		135	if (r) *r = c;
		136	return 1;
		137	}
		138
		139	int len = expand (cc->c1, r);
		140
		141	if (r) r += len;
		142
		143	if (cc->c2 != NOCHAR)
		144	{
		145	len++;
		146	if (r) *r++ = cc->c2;
		147	}
		148
		149	return len;
		150
		151	}
		152	#endif
		153
		154	rxvt_term::rxvt_term ()
		155	{
		156	#if HAVE_BG_PIXMAP
		157	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		158	#endif
		159	#ifdef CURSOR_BLINK
		160	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		161	#endif
		162	#ifdef TEXT_BLINK
		163	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		164	#endif
		165	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		166	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		167	#endif
		168	#ifdef SELECTION_SCROLLING
		169	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		170	#endif
		171	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		172	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		173	#endif
		174	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		175	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		176	#endif
		177	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		178	#ifdef USE_XIM
		179	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
		180	#endif
		181	#ifdef POINTER_BLANK
		182	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
		183	#endif
		184	#ifndef NO_BELL
		185	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		186	#endif
		187	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		188	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		189	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		190	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		191	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		192	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194
		195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		196
		197	termlist.push_back (this);
		198
		199	#ifdef KEYSYM_RESOURCE
		200	keyboard = new keyboard_manager;
		201	#endif
		202	}
		203
		204	// clean up the most important stuff, do *not* call x or free mem etc.
		205	// for use before an emergency exit
		206	void
		207	rxvt_term::emergency_cleanup ()
		208	{
		209	if (cmd_pid)
		210	kill (-cmd_pid, SIGHUP);
		211
		212	pty_ev.stop ();
		213	delete pty; pty = 0;
		214	}
		215
		216	rxvt_term::~rxvt_term ()
		217	{
		218	termlist.erase (find (termlist.begin (), termlist.end(), this));
		219
		220	emergency_cleanup ();
		221
		222	#if ENABLE_STYLES
		223	for (int i = RS_styleCount; --i; )
		224	if (fontset[i] != fontset[0])
		225	delete fontset[i];
		226	#endif
		227	delete fontset[0];
		228
		229	#ifdef HAVE_BG_PIXMAP
		230	bgPixmap.destroy ();
		231	#endif
		232
		233	if (display)
		234	{
		235	selection_clear ();
		236
		237	#ifdef USE_XIM
		238	im_destroy ();
		239	#endif
		240	#ifdef XTERM_SCROLLBAR
		241	if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
		242	if (ShadowGC) XFreeGC (dpy, ShadowGC);
		243	#endif
		244	#ifdef PLAIN_SCROLLBAR
		245	if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
		246	#endif
103	#ifdef HAVE_SCROLLBARS	247	#ifdef NEXT_SCROLLBAR
104	if (R->Options & Opt_scrollBar)	248	if (blackGC) XFreeGC (dpy, blackGC);
105	rxvt_Resize_scrollBar(aR); /* create and map scrollbar */	249	if (whiteGC) XFreeGC (dpy, whiteGC);
		250	if (grayGC) XFreeGC (dpy, grayGC);
		251	if (darkGC) XFreeGC (dpy, darkGC);
		252	if (stippleGC) XFreeGC (dpy, stippleGC);
		253	if (dimple) XFreePixmap (dpy, dimple);
		254	if (upArrow) XFreePixmap (dpy, upArrow);
		255	if (downArrow) XFreePixmap (dpy, downArrow);
		256	if (upArrowHi) XFreePixmap (dpy, upArrowHi);
		257	if (downArrowHi) XFreePixmap (dpy, downArrowHi);
106	#endif	258	#endif
107	#if (MENUBAR_MAX)	259	#ifdef RXVT_SCROLLBAR
108	if (menubar_visible(r))	260	if (topShadowGC) XFreeGC (dpy, topShadowGC);
109	XMapWindow(R->Xdisplay, R->menuBar.win);	261	if (botShadowGC) XFreeGC (dpy, botShadowGC);
		262	if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
110	#endif	263	#endif
111	#ifdef TRANSPARENT	264	if (gc) XFreeGC (dpy, gc);
112	if (R->Options & Opt_transparent) {
113	XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);
114	rxvt_check_our_parents(aR);
115	}
116	#endif
117	XMapWindow(R->Xdisplay, R->TermWin.vt);
118	XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
119		265
120	rxvt_init_env(aR);	266	delete drawable;
121	rxvt_init_command(aR_ cmd_argv);	267	// destroy all windows
		268	if (parent[0])
		269	XDestroyWindow (dpy, parent[0]);
122		270
		271	for (int i = 0; i < TOTAL_COLORS; i++)
		272	if (ISSET_PIXCOLOR (i))
		273	{
		274	pix_colors_focused [i].free (this);
		275	#if OFF_FOCUS_FADING
		276	pix_colors_unfocused [i].free (this);
		277	#endif
		278	}
		279
		280	clear ();
		281
		282	display->flush (); /* ideally .put should do this */
		283	displays.put (display);
		284	}
		285
		286	scr_release ();
		287
		288	/* clear all resources */
		289	for (int i = 0; i < allocated.size (); i++)
		290	free (allocated [i]);
		291
		292	free (selection.text);
		293	// TODO: manage env vars in child only(!)
		294	free (env_display);
		295	free (env_term);
		296	free (locale);
		297	free (v_buffer);
		298	free (incr_buf);
		299
		300	delete envv;
		301	delete argv;
		302
		303	#ifdef KEYSYM_RESOURCE
		304	delete keyboard;
		305	#endif
		306	#ifndef NO_RESOURCES
		307	XrmDestroyDatabase (option_db);
		308	#endif
		309	}
		310
		311	// child has exited, usually destroys
		312	void
		313	rxvt_term::child_cb (ev::child &w, int status)
		314	{
		315	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		316
		317	cmd_pid = 0;
		318
		319	if (!option (Opt_hold))
		320	destroy ();
		321	}
		322
		323	void
		324	rxvt_term::destroy ()
		325	{
		326	if (destroy_ev.is_active ())
123	return R;	327	return;
124	}
125		328
126	/* ------------------------------------------------------------------------- *	329	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
127	* SIGNAL HANDLING & EXIT HANDLER *
128	* ------------------------------------------------------------------------- */
129	/*
130	* Catch a SIGCHLD signal and exit if the direct child has died
131	*/
132	/* ARGSUSED */
133	/* EXTPROTO */
134	RETSIGTYPE
135	rxvt_Child_signal(int sig __attribute__((unused)))
136	{
137	dR;
138	int pid, save_errno = errno;
139		330
140	do {	331	#if ENABLE_OVERLAY
141	errno = 0;	332	scr_overlay_off ();
142	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
143
144	if (pid == R->h->cmd_pid)
145	exit(EXIT_SUCCESS);
146
147	errno = save_errno;
148	signal(SIGCHLD, rxvt_Child_signal);
149	}
150
151	/*
152	* Catch a fatal signal and tidy up before quitting
153	*/
154	/* EXTPROTO */
155	RETSIGTYPE
156	rxvt_Exit_signal(int sig)
157	{
158	signal(sig, SIG_DFL);
159	#ifdef DEBUG_CMD
160	rxvt_print_error("signal %d", sig);
161	#endif	333	#endif
162	rxvt_clean_exit();
163	kill(getpid(), sig);
164	}
165		334
166	/* ARGSUSED */	335	if (display)
167	/* INTPROTO */
168	int
169	rxvt_xerror_handler(const Display *display __attribute__((unused)), const XErrorEvent *event)
170	{
171	dR;
172
173	if (R->h->allowedxerror == -1) {
174	R->h->allowedxerror = event->error_code;
175	return 0; /* ignored anyway */
176	}	336	{
177	rxvt_print_error("XError: Request: %d . %d, Error: %d",	337	#if USE_XIM
178	event->request_code, event->minor_code,	338	im_ev.stop (display);
179	event->error_code);	339	#endif
180	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	340	scrollbar_ev.stop (display);
181	exit(EXIT_FAILURE);	341	#if ENABLE_TRANSPARENCY || ENABLE_PERL
182	/* NOTREACHED */	342	rootwin_ev.stop (display);
		343	#endif
		344	incr_ev.stop ();
		345	termwin_ev.stop (display);
		346	vt_ev.stop (display);
		347	}
		348
		349	flush_ev.stop ();
		350	pty_ev.stop ();
		351	#ifdef CURSOR_BLINK
		352	cursor_blink_ev.stop ();
		353	#endif
		354	#ifdef TEXT_BLINK
		355	text_blink_ev.stop ();
		356	#endif
		357	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		358	cont_scroll_ev.stop ();
		359	#endif
		360	#ifdef SELECTION_SCROLLING
		361	sel_scroll_ev.stop ();
		362	#endif
		363	#ifdef POINTER_BLANK
		364	pointer_ev.stop ();
		365	#endif
		366
		367	destroy_ev.start ();
		368	}
		369
		370	void
		371	rxvt_term::destroy_cb (ev::idle &w, int revents)
		372	{
		373	make_current ();
		374
		375	delete this;
183	}	376	}
184		377
185	/*----------------------------------------------------------------------*/	378	/*----------------------------------------------------------------------*/
186	/*	379	/*
187	* Exit gracefully, clearing the utmp entry and restoring tty attributes	380	* Exit gracefully, clearing the utmp entry and restoring tty attributes
188	* TODO: if debugging, this should free up any known resources if we can	381	* TODO: if debugging, this should free up any known resources if we can
189	*/	382	*/
190	/* EXTPROTO */	383	static XErrorHandler old_xerror_handler;
191	void
192	rxvt_clean_exit(void)
193	{
194	dR;
195		384
196	#ifdef DEBUG_SCREEN	385	static void
197	rxvt_scr_release(aR);	386	rxvt_emergency_cleanup ()
198	#endif
199	#ifndef NO_SETOWNER_TTYDEV
200	rxvt_privileged_ttydev(aR_ RESTORE);
201	#endif
202	#ifdef UTMP_SUPPORT
203	rxvt_privileged_utmp(aR_ RESTORE);
204	#endif
205	#ifdef USE_XIM
206	if (R->h->Input_Context != NULL) {
207	XDestroyIC(R->h->Input_Context);
208	R->h->Input_Context = NULL;
209	}
210	#endif
211	}
212
213	/* ------------------------------------------------------------------------- *
214	* MEMORY ALLOCATION WRAPPERS *
215	* ------------------------------------------------------------------------- */
216	/* EXTPROTO */
217	void *
218	rxvt_malloc(size_t size)
219	{	387	{
220	void *p;	388	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
221		389	(*t)->emergency_cleanup ();
222	p = malloc(size);
223	if (p)
224	return p;
225
226	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
227	rxvt_clean_exit();
228	exit(EXIT_FAILURE);
229	/* NOTREACHED */
230	}	390	}
231		391
232	/* EXTPROTO */	392	#if !ENABLE_MINIMAL
233	void *	393	static void
234	rxvt_calloc(size_t number, size_t size)	394	print_x_error (Display *dpy, XErrorEvent *event)
235	{	395	{
236	void *p;	396	char buffer[BUFSIZ];
237		397	char mesg[BUFSIZ];
238	p = calloc(number, size);	398	char number[32];
239	if (p)	399	char *mtype = "XlibMessage";
240	return p;	400	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
241		401	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
242	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	402	rxvt_warn ("An X Error occured, trying to continue after report.\n");
243	rxvt_clean_exit();	403	rxvt_warn ("%s: %s\n", mesg, buffer);
244	exit(EXIT_FAILURE);	404	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
245	/* NOTREACHED */	405	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
246	}	406	sprintf(number, "%d", event->request_code);
247		407	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
248	/* EXTPROTO */	408	rxvt_warn ("(which is %s)\n", buffer);
249	void *	409	if (event->request_code >= 128) {
250	rxvt_realloc(void *ptr, size_t size)	410	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
251	{	411	mesg, BUFSIZ);
252	void *p;	412	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
253
254	if (ptr)
255	p = realloc(ptr, size);
256	else
257	p = malloc(size);
258	if (p)
259	return p;
260
261	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
262	rxvt_clean_exit();
263	exit(EXIT_FAILURE);
264	/* NOTREACHED */
265	}
266	/* ------------------------------------------------------------------------- *
267	* PRIVILEGED OPERATIONS *
268	* ------------------------------------------------------------------------- */
269	/* take care of suid/sgid super-user (root) privileges */
270	/* INTPROTO */
271	void
272	rxvt_privileges(pR_ int mode)
273	{
274	#if ! defined(__CYGWIN32__)
275	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
276	/* setreuid() is the poor man's setuid(), seteuid() */
277	# define seteuid(a) setreuid(-1, (a))
278	# define setegid(a) setregid(-1, (a))
279	# define HAVE_SETEUID
280	# endif
281	# ifdef HAVE_SETEUID
282	switch (mode) {
283	case IGNORE:
284	/*
285	* change effective uid/gid - not real uid/gid - so we can switch
286	* back to root later, as required
287	*/
288	seteuid(getuid());
289	setegid(getgid());
290	break;
291	case SAVE:
292	R->h->euid = geteuid();
293	R->h->egid = getegid();
294	break;
295	case RESTORE:
296	seteuid(R->h->euid);
297	setegid(R->h->egid);
298	break;
299	}	413	}
300	# else	414	if ((event->error_code == BadWindow) ||
301	switch (mode) {	415	(event->error_code == BadPixmap) ||
302	case IGNORE:	416	(event->error_code == BadCursor) ||
303	setuid(getuid());	417	(event->error_code == BadFont) ||
304	setgid(getgid());	418	(event->error_code == BadDrawable) ||
305	/* FALLTHROUGH */	419	(event->error_code == BadColor) ||
306	case SAVE:	420	(event->error_code == BadGC) ||
307	/* FALLTHROUGH */	421	(event->error_code == BadIDChoice) ||
308	case RESTORE:	422	(event->error_code == BadValue) ||
309	break;	423	(event->error_code == BadAtom)) {
310	}	424	if (event->error_code == BadValue)
311	# endif	425	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
312	#endif	426	mesg, BUFSIZ);
313	}	427	else if (event->error_code == BadAtom)
314		428	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
315	#ifdef UTMP_SUPPORT	429	mesg, BUFSIZ);
316	/* EXTPROTO */
317	void
318	rxvt_privileged_utmp(pR_ char action)
319	{
320	struct rxvt_hidden *h = R->h;
321
322	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)", action, h->next_utmp_action, getpid()));
323	if (h->next_utmp_action != action
324	|| (action != SAVE && action != RESTORE)
325	|| (R->Options & Opt_utmpInhibit)
326	|| h->ttydev == NULL
327	|| *h->ttydev == '\0')
328	return;
329
330	rxvt_privileges(aR_ RESTORE);
331	if (action == SAVE) {
332	h->next_utmp_action = RESTORE;
333	rxvt_makeutent(aR_ h->ttydev, h->rs[Rs_display_name]);
334	} else { /* action == RESTORE */
335	h->next_utmp_action = IGNORE;
336	rxvt_cleanutent(aR);
337	}
338	rxvt_privileges(aR_ IGNORE);
339	}
340	#endif
341
342	#ifndef NO_SETOWNER_TTYDEV
343	/* EXTPROTO */
344	void
345	rxvt_privileged_ttydev(pR_ char action)
346	{
347	struct rxvt_hidden *h = R->h;
348
349	D_MAIN((stderr, "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)", action, h->next_tty_action, getpid()));
350	if (h->next_tty_action != action
351	|| (action != SAVE && action != RESTORE)
352	|| h->ttydev == NULL
353	|| *h->ttydev == '\0')
354	return;
355
356	rxvt_privileges(aR_ RESTORE);
357
358	if (action == SAVE) {
359	h->next_tty_action = RESTORE;
360	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
361	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
362	if (lstat(h->ttydev, &h->ttyfd_stat) < 0) /* you lose out */
363	h->next_tty_action = IGNORE;
364	else	430	else
		431	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		432	mesg, BUFSIZ);
		433	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		434	}
		435	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		436	mesg, BUFSIZ);
		437	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		438	}
365	# endif	439	#endif
366	{	440
367	chown(h->ttydev, getuid(), h->ttygid); /* fail silently */	441	int
368	chmod(h->ttydev, h->ttymode);	442	rxvt_xerror_handler (Display *display, XErrorEvent *event)
369	# ifdef HAVE_REVOKE	443	{
370	revoke(h->ttydev);	444	if (GET_R->allowedxerror == -1)
		445	GET_R->allowedxerror = event->error_code;
		446	else
		447	{
		448	// GET_R is most likely not the terminal which caused the error,
		449	// so just output the error and continue
		450	#if ENABLE_MINIMAL
		451	old_xerror_handler (display, event);
		452	#else
		453	print_x_error (display, event);
371	# endif	454	#endif
372	}	455	}
373	} else { /* action == RESTORE */	456
374	h->next_tty_action = IGNORE;	457	return 0;
375	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	458	}
376	chmod(h->ttydev, h->ttyfd_stat.st_mode);	459
377	chown(h->ttydev, h->ttyfd_stat.st_uid, h->ttyfd_stat.st_gid);	460	int
378	# else	461	rxvt_xioerror_handler (Display *display)
379	chmod(h->ttydev,	462	{
380	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));	463	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
381	chown(h->ttydev, 0, 0);	464	DisplayString (display));
382	# endif	465	rxvt_emergency_cleanup ();
		466	_exit (EXIT_FAILURE);
		467	}
		468
		469	static struct sig_handlers
		470	{
		471	ev::sig sw_term, sw_int;
		472
		473	/*
		474	* Catch a fatal signal and tidy up before quitting
		475	*/
		476	void sig_term (ev::sig &w, int revents);
		477
		478	sig_handlers ()
		479	{
		480	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		481	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
383	}	482	}
		483	} sig_handlers;
384		484
385	rxvt_privileges(aR_ IGNORE);	485	void
386		486	sig_handlers::sig_term (ev::sig &w, int revents)
387	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	487	{
388	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d", action == RESTORE ? "Restoring" : (action == SAVE ? "Saving" : "UNKNOWN ERROR for"), h->ttydev, h->ttyfd_stat.st_mode, h->ttyfd_stat.st_uid, h->ttyfd_stat.st_gid));	488	rxvt_emergency_cleanup ();
389	# endif	489	w.stop ();
		490	kill (getpid (), w.signum);
390	}	491	}
391	#endif	492
		493	char **rxvt_environ; // startup environment
		494
		495	void
		496	rxvt_init ()
		497	{
		498	ptytty::init ();
		499
		500	if (!ev_default_loop (0))
		501	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		502
		503	rxvt_environ = environ;
		504
		505	signal (SIGHUP, SIG_IGN);
		506	signal (SIGPIPE, SIG_IGN);
		507
		508	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		509	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		510
		511	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		512	/* signal (SIGURG, SIG_DFL); */
		513
		514	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		515	// TODO: handle this with exceptions and tolerate the memory loss
		516	XSetIOErrorHandler (rxvt_xioerror_handler);
		517
		518	XrmInitialize ();
		519	}
392		520
393	/*----------------------------------------------------------------------*/	521	/*----------------------------------------------------------------------*/
394	/*	522	/*
395	* window size/position calculcations for XSizeHint and other storage.	523	* window size/position calculations for XSizeHint and other storage.
396	* if width/height are non-zero then override calculated width/height	524	* if width/height are non-zero then override calculated width/height
397	*/	525	*/
398	/* EXTPROTO */
399	void	526	void
400	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	527	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
401	{	528	{
402	short recalc_x, recalc_y;	529	short recalc_x, recalc_y;
403	int x, y, sb_w, mb_h, flags;	530	int x, y, sb_w, flags;
404	unsigned int w, h;	531	unsigned int w, h;
405	unsigned int max_width, max_height;	532	unsigned int max_width, max_height;
406		533
407	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, R->szHint.height));
408	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	534	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
409	R->szHint.win_gravity = NorthWestGravity;	535	szHint.win_gravity = NorthWestGravity;
410	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	536	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
411		537
412	recalc_x = recalc_y = 0;	538	recalc_x = recalc_y = 0;
413	flags = 0;	539	flags = 0;
		540
414	if (!R->h->parsed_geometry) {	541	if (!parsed_geometry)
		542	{
415	R->h->parsed_geometry = 1;	543	parsed_geometry = 1;
		544
416	if (R->h->rs[Rs_geometry])	545	if (rs[Rs_geometry])
417	flags = XParseGeometry(R->h->rs[Rs_geometry], &x, &y, &w, &h);	546	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		547
418	if (flags & WidthValue) {	548	if (flags & WidthValue)
419	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	549	{
420	R->szHint.flags |= USSize;	550	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
421	}	551	szHint.flags |= USSize;
		552	}
		553
422	if (flags & HeightValue) {	554	if (flags & HeightValue)
423	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	555	{
424	R->szHint.flags |= USSize;	556	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
425	}	557	szHint.flags |= USSize;
		558	}
		559
426	if (flags & XValue) {	560	if (flags & XValue)
427	R->szHint.x = x;	561	{
		562	szHint.x = x;
428	R->szHint.flags |= USPosition;	563	szHint.flags |= USPosition;
		564
429	if (flags & XNegative) {	565	if (flags & XNegative)
430	recalc_x = 1;	566	{
		567	recalc_x = 1;
431	R->szHint.win_gravity = NorthEastGravity;	568	szHint.win_gravity = NorthEastGravity;
		569	}
		570	}
		571
		572	if (flags & YValue)
		573	{
		574	szHint.y = y;
		575	szHint.flags |= USPosition;
		576
		577	if (flags & YNegative)
		578	{
		579	recalc_y = 1;
		580
		581	if (szHint.win_gravity == NorthEastGravity)
		582	szHint.win_gravity = SouthEastGravity;
		583	else
		584	szHint.win_gravity = SouthWestGravity;
		585	}
		586	}
432	}	587	}
433	}	588
434	if (flags & YValue) {
435	R->szHint.y = y;
436	R->szHint.flags |= USPosition;
437	if (flags & YNegative) {
438	recalc_y = 1;
439	if (R->szHint.win_gravity == NorthEastGravity)
440	R->szHint.win_gravity = SouthEastGravity;
441	else
442	R->szHint.win_gravity = SouthWestGravity;
443	}
444	}
445	}
446	/* TODO: BOUNDS */	589	/* TODO: BOUNDS */
447	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	590	width = ncol * fwidth;
448	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	591	height = nrow * fheight;
449	max_width = MAX_COLS * R->TermWin.fwidth;	592	max_width = MAX_COLS * fwidth;
450	max_height = MAX_ROWS * R->TermWin.fheight;	593	max_height = MAX_ROWS * fheight;
451		594
452	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	595	szHint.base_width = szHint.base_height = 2 * int_bwidth;
453		596
454	sb_w = mb_h = 0;	597	sb_w = 0;
455	R->h->window_vt_x = R->h->window_vt_y = 0;	598	window_vt_x = window_vt_y = int_bwidth;
456	if (scrollbar_visible(R)) {	599
		600	if (scrollBar.state)
		601	{
457	sb_w = scrollbar_TotalWidth();	602	sb_w = scrollbar_TotalWidth ();
458	R->szHint.base_width += sb_w;	603	szHint.base_width += sb_w;
		604
459	if (!(R->Options & Opt_scrollBar_right))	605	if (!option (Opt_scrollBar_right))
460	R->h->window_vt_x = sb_w;	606	window_vt_x += sb_w;
461	}	607	}
462	if (menubar_visible(R)) {	608
463	mb_h = menuBar_TotalHeight();
464	R->szHint.base_height += mb_h;
465	R->h->window_vt_y = mb_h;
466	}
467	R->szHint.width_inc = R->TermWin.fwidth;	609	szHint.width_inc = fwidth;
468	R->szHint.height_inc = R->TermWin.fheight;	610	szHint.height_inc = fheight;
469	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	611	szHint.min_width = szHint.base_width + szHint.width_inc;
470	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	612	szHint.min_height = szHint.base_height + szHint.height_inc;
471		613
472	if (width && width - R->szHint.base_width < max_width) {	614	if (newwidth && newwidth - szHint.base_width < max_width)
473	R->szHint.width = width;
474	R->TermWin.width = width - R->szHint.base_width;
475	} else {
476	MIN_IT(R->TermWin.width, max_width);
477	R->szHint.width = R->szHint.base_width + R->TermWin.width;
478	}	615	{
		616	szHint.width = newwidth;
		617	width = newwidth - szHint.base_width;
		618	}
		619	else
		620	{
		621	min_it (width, max_width);
		622	szHint.width = szHint.base_width + width;
		623	}
		624
479	if (height && height - R->szHint.base_height < max_height) {	625	if (newheight && newheight - szHint.base_height < max_height)
480	R->szHint.height = height;
481	R->TermWin.height = height - R->szHint.base_height;
482	} else {
483	MIN_IT(R->TermWin.height, max_height);
484	R->szHint.height = R->szHint.base_height + R->TermWin.height;
485	}	626	{
		627	szHint.height = newheight;
		628	height = newheight - szHint.base_height;
		629	}
		630	else
		631	{
		632	min_it (height, max_height);
		633	szHint.height = szHint.base_height + height;
		634	}
		635
486	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	636	if (scrollBar.state && option (Opt_scrollBar_right))
487	R->h->window_sb_x = R->szHint.width - sb_w;	637	window_sb_x = szHint.width - sb_w;
488		638
489	if (recalc_x)	639	if (recalc_x)
490	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	640	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
491	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	641
492	if (recalc_y)	642	if (recalc_y)
493	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	643	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
494	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
495		644
496	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	645	ncol = width / fwidth;
497	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	646	nrow = height / fheight;
498	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, R->szHint.height));
499	return;
500	}	647	}
501		648
502	/*----------------------------------------------------------------------*/	649	/*----------------------------------------------------------------------*/
503	/*	650	/*
504	* Tell the teletype handler what size the window is.	651	* Tell the teletype handler what size the window is.
505	* Called after a window size change.	652	* Called after a window size change.
506	*/	653	*/
507	/* EXTPROTO */
508	void	654	void
509	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	655	rxvt_term::tt_winch ()
510	{	656	{
		657	if (pty->pty < 0)
		658	return;
		659
511	struct winsize ws;	660	struct winsize ws;
512		661
513	if (fd < 0)
514	return;
515	ws.ws_col = col;	662	ws.ws_col = ncol;
516	ws.ws_row = row;	663	ws.ws_row = nrow;
517	ws.ws_xpixel = ws.ws_ypixel = 0;	664	ws.ws_xpixel = width;
518	#ifndef DEBUG_SIZE	665	ws.ws_ypixel = height;
519	(void)ioctl(fd, TIOCSWINSZ, &ws);	666	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
520	#else	667
521	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	668	#if 0
522	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	669	// TIOCSWINSZ is supposed to do this automatically and correctly
523	}
524	# ifdef SIGWINCH
525	else if (pid) /* force through to the command */	670	if (cmd_pid) /* force through to the command */
526	kill(pid, SIGWINCH);	671	kill (-cmd_pid, SIGWINCH);
527	# endif
528	#endif	672	#endif
529	}	673	}
530		674
531	/*----------------------------------------------------------------------*/	675	/*----------------------------------------------------------------------*/
532	/* rxvt_change_font() - Switch to a new font */	676	/* set_fonts () - load and set the various fonts
533	/*	677	*
534	* init = 1 - initialize	678	* init = 1 - initialize
535	*	679	*
536	* fontname == FONT_UP - switch to bigger font	680	* fontname == FONT_UP - switch to bigger font
537	* fontname == FONT_DN - switch to smaller font	681	* fontname == FONT_DN - switch to smaller font
538	*/	682	*/
539	/* EXTPROTO */	683	bool
540	void	684	rxvt_term::set_fonts ()
541	rxvt_change_font(pR_ int init, const char *fontname)
542	{	685	{
543	}	686	rxvt_fontset *fs = new rxvt_fontset (this);
		687	rxvt_fontprop prop;
544		688
545	/* INTPROTO */	689	if (!fs
		690	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		691	|| !fs->realize_font (1))
		692	{
		693	delete fs;
		694	return false;
		695	}
		696
		697	#if ENABLE_STYLES
		698	for (int i = RS_styleCount; --i; )
		699	if (fontset[i] != fontset[0])
		700	delete fontset[i];
		701	#endif
		702
		703	delete fontset[0];
		704	fontset[0] = fs;
		705
		706	prop = (*fs)[1]->properties ();
		707	prop.height += lineSpace;
		708
		709	fs->set_prop (prop, false);
		710
		711	fwidth = prop.width;
		712	fheight = prop.height;
		713	fbase = prop.ascent;
		714
		715	for (int style = 1; style < 4; style++)
		716	{
		717	#if ENABLE_STYLES
		718	const char *res = rs[Rs_font + style];
		719
		720	if (res && !*res)
		721	fontset[style] = fontset[0];
		722	else
		723	{
		724	fontset[style] = fs = new rxvt_fontset (this);
		725	rxvt_fontprop prop2 = prop;
		726
		727	if (res)
		728	{
		729	fs->populate (res);
		730	fs->set_prop (prop2, false);
		731	}
		732	else
		733	{
		734	fs->populate (fontset[0]->fontdesc);
		735
		736	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		737	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		738
		739	fs->set_prop (prop2, true);
		740	}
		741
		742	}
		743	#else
		744	fontset[style] = fontset[0];
		745	#endif
		746	}
		747
		748	if (parent[0])
		749	{
		750	resize_all_windows (0, 0, 0);
		751	scr_remap_chars ();
		752	scr_touch (true);
		753	}
		754
		755	return true;
		756	}
		757
546	void	758	void
547	rxvt_font_up_down(pR_ int n, int direction)	759	rxvt_term::set_string_property (Atom prop, const char *str, int len)
548	{	760	{
		761	XChangeProperty (dpy, parent[0],
		762	prop, XA_STRING, 8, PropModeReplace,
		763	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		764	}
		765
		766	void
		767	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		768	{
		769	wchar_t *ws = rxvt_mbstowcs (str, len);
		770	char *s = rxvt_wcstoutf8 (ws);
		771
		772	XChangeProperty (dpy, parent[0],
		773	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		774	(const unsigned char *)s, strlen (s));
		775
		776	free (s);
		777	free (ws);
549	}	778	}
550		779
551	/*----------------------------------------------------------------------*/	780	/*----------------------------------------------------------------------*/
552	/*----------------------------------------------------------------------*/	781	/*----------------------------------------------------------------------*/
553	/* xterm sequences - title, iconName, color (exptl) */	782	/* xterm sequences - title, iconName, color (exptl) */
554	/* EXTPROTO */
555	void	783	void
556	rxvt_set_title(pR_ const char *str)	784	rxvt_term::set_title (const char *str)
557	{	785	{
558	#ifndef SMART_WINDOW_TITLE	786	set_string_property (XA_WM_NAME, str);
559	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	787	#if ENABLE_EWMH
560	#else	788	set_utf8_property (xa[XA_NET_WM_NAME], str);
561	char *name;
562
563	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
564	name = NULL;
565	if (name == NULL || STRCMP(name, str))
566	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
567	if (name)
568	XFree(name);
569	#endif	789	#endif
570	}	790	}
571		791
572	/* EXTPROTO */
573	void	792	void
574	rxvt_set_iconName(pR_ const char *str)	793	rxvt_term::set_icon_name (const char *str)
575	{	794	{
576	#ifndef SMART_WINDOW_TITLE	795	set_string_property (XA_WM_ICON_NAME, str);
577	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	796	#if ENABLE_EWMH
578	#else	797	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
579	char *name;
580
581	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
582	name = NULL;
583	if (name == NULL || STRCMP(name, str))
584	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
585	if (name)
586	XFree(name);
587	#endif	798	#endif
588	}	799	}
589		800
		801	void
		802	rxvt_term::set_window_color (int idx, const char *color)
		803	{
590	#ifdef XTERM_COLOR_CHANGE	804	#ifdef XTERM_COLOR_CHANGE
591	/* EXTPROTO */
592	void
593	rxvt_set_window_color(pR_ int idx, const char *color)
594	{
595	rxvt_color xcol;	805	rxvt_color xcol;
596	int i;	806	int i;
597		807
598	if (color == NULL || *color == '\0')	808	if (color == NULL || *color == '\0')
599	return;	809	return;
600		810
		811	color = strdup (color);
		812	allocated.push_back ((void *)color);
		813	rs[Rs_color + idx] = color;
		814
601	/* handle color aliases */	815	/* handle color aliases */
602	if (isdigit(*color)) {	816	if (isdigit (*color))
603	i = atoi(color);
604	if (i >= 8 && i <= 15) { /* bright colors */
605	i -= 8;
606	# ifndef NO_BRIGHTCOLOR
607	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
608	SET_PIXCOLOR(R->h, idx);
609	goto Done;
610	# endif
611	}
612	if (i >= 0 && i <= 7) { /* normal colors */
613	R->PixColors[idx] = R->PixColors[minCOLOR + i];
614	SET_PIXCOLOR(R->h, idx);
615	goto Done;
616	}
617	}	817	{
618	if (!rxvt_rXParseAllocColor(aR_ &xcol, color))	818	i = atoi (color);
619	return;
620	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
621		819
622	/*	820	if (i >= 8 && i <= 15)
		821	{
		822	/* bright colors */
		823	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
		824	goto done;
		825	}
		826
		827	if (i >= 0 && i <= 7)
		828	{
		829	/* normal colors */
		830	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		831	goto done;
		832	}
		833	}
		834
		835	set_color (xcol, color);
		836
		837	/*
623	* FIXME: should free colors here, but no idea how to do it so instead,	838	* FIXME: should free colors here, but no idea how to do it so instead,
624	* so just keep gobbling up the colormap	839	* so just keep gobbling up the colormap
625	*/	840	*/
626	# if 0
627	for (i = Color_Black; i <= Color_White; i++)
628	if (R->PixColors[idx] == R->PixColors[i])
629	break;
630	if (i > Color_White) {
631	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
632	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
633	DisplayPlanes(R->Xdisplay, Xscreen));
634	}
635	# endif
636		841
637	R->PixColors[idx] = xcol;	842	pix_colors_focused[idx] = xcol;
638	SET_PIXCOLOR(R->h, idx);
639		843
640	/* XSetWindowAttributes attr; */	844	done:
641	/* Cursor cursor; */
642	Done:
643	if (idx == Color_bg && !(R->Options & Opt_transparent))
644	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
645	R->PixColors[Color_bg]);
646
647	/* handle Color_BD, scrollbar background, etc. */	845	/*TODO: handle Color_BD, scrollbar background, etc. */
648		846
649	rxvt_set_colorfgbg(aR);	847	update_fade_color (idx);
650	rxvt_recolour_cursor(aR);	848	recolour_cursor ();
651	/* the only reasonable way to enforce a clean update */	849	scr_recolour ();
652	rxvt_scr_poweron(aR);
653	}
654
655	#else
656	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
657	#endif /* XTERM_COLOR_CHANGE */	850	#endif /* XTERM_COLOR_CHANGE */
		851	}
658		852
659	/* EXTPROTO */
660	void	853	void
661	rxvt_recolour_cursor(pR)	854	rxvt_term::recolour_cursor ()
662	{	855	{
663	rxvt_color xcol[2];	856	XColor fg, bg;
664		857
665	#if TODO	858	(ISSET_PIXCOLOR (Color_pointer_fg)
666	xcol[0] = R->PixColors[Color_pointer];	859	? pix_colors_focused[Color_pointer_fg]
667	xcol[1] = R->PixColors[Color_bg];	860	: pix_colors_focused[Color_fg]).get (fg);
668	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	861
669	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	862	(ISSET_PIXCOLOR (Color_pointer_bg)
670	#endif	863	? pix_colors_focused[Color_pointer_bg]
		864	: pix_colors_focused[Color_bg]).get (bg);
		865
		866	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
671	}	867	}
672		868
673	/*----------------------------------------------------------------------*/	869	/*----------------------------------------------------------------------*/
674	/*	870	/*
675	* find if fg/bg matches any of the normal (low-intensity) colors	871	* find if fg/bg matches any of the normal (low-intensity) colors
676	*/	872	*/
677	/* INTPROTO */
678	void	873	void
679	rxvt_set_colorfgbg(pR)	874	rxvt_term::set_colorfgbg ()
680	{	875	{
681	unsigned int i;	876	unsigned int i;
682	const char *xpmb = "\0";	877	const char *xpmb = "";
683	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	878	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
684		879
685	R->h->env_colorfgbg = (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	880	strcpy (fstr, "default");
686	STRCPY(fstr, "default");	881	strcpy (bstr, "default");
687	STRCPY(bstr, "default");
688	for (i = Color_Black; i <= Color_White; i++)	882	for (i = Color_Black; i <= Color_White; i++)
689	if (R->PixColors[Color_fg] == R->PixColors[i]) {	883	if (pix_colors[Color_fg] == pix_colors[i])
		884	{
690	sprintf(fstr, "%d", (i - Color_Black));	885	sprintf (fstr, "%d", (i - Color_Black));
691	break;	886	break;
692	}	887	}
		888
693	for (i = Color_Black; i <= Color_White; i++)	889	for (i = Color_Black; i <= Color_White; i++)
694	if (R->PixColors[Color_bg] == R->PixColors[i]) {	890	if (pix_colors[Color_bg] == pix_colors[i])
		891	{
695	sprintf(bstr, "%d", (i - Color_Black));	892	sprintf (bstr, "%d", (i - Color_Black));
696	#ifdef XPM_BACKGROUND	893	#ifdef BG_IMAGE_FROM_FILE
697	xpmb = "default;";	894	xpmb = "default;";
698	#endif	895	#endif
699	break;	896	break;
700	}	897	}
		898
701	sprintf(R->h->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	899	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
702	putenv(R->h->env_colorfgbg);
703
704	#ifndef NO_BRIGHTCOLOR
705	R->h->colorfgbg = DEFAULT_RSTYLE;
706	for (i = minCOLOR; i <= maxCOLOR; i++) {
707	if (R->PixColors[Color_fg] == R->PixColors[i])
708	R->h->colorfgbg = SET_FGCOLOR(R->h->colorfgbg, i);
709	if (R->PixColors[Color_bg] == R->PixColors[i])
710	R->h->colorfgbg = SET_BGCOLOR(R->h->colorfgbg, i);
711	}
712	#endif
713	}	900	}
714		901
715	/*----------------------------------------------------------------------*/	902	/*----------------------------------------------------------------------*/
716	/*
717	* Colour determination for low colour displays, routine from
718	* Hans de Goede <hans@highrise.nl>
719	*/
720		903
721	/* EXTPROTO */	904	bool
722	int	905	rxvt_term::set_color (rxvt_color &color, const char *name)
723	rxvt_rXParseAllocColor(pR_ rxvt_color *screen_in_out, const char *colour)
724	{	906	{
725	screen_in_out->set (aR_ colour);	907	if (color.set (this, name))
726
727	if (!screen_in_out->set (aR_ colour))
728	{
729	rxvt_print_error("can't allocate colour: %s", colour);
730	return false;
731	}
732
733	return true;	908	return true;
		909
		910	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		911	return false;
		912	}
		913
		914	void
		915	rxvt_term::alias_color (int dst, int src)
		916	{
		917	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
734	}	918	}
735		919
736	/* -------------------------------------------------------------------- *	920	/* -------------------------------------------------------------------- *
737	* - WINDOW RESIZING - *	921	* - WINDOW RESIZING - *
738	* -------------------------------------------------------------------- */	922	* -------------------------------------------------------------------- */
739	/* EXTPROTO */
740	void	923	void
741	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, int ignoreparent)	924	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
742	{	925	{
743	int fix_screen;	926	int fix_screen;
		927	int old_width = szHint.width;
		928	int old_height = szHint.height;
		929
		930	window_calc (newwidth, newheight);
		931
		932	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
		933	XSetWMNormalHints (dpy, parent[0], &szHint);
		934
		935	if (!ignoreparent)
		936	{
744	#ifdef SMART_RESIZE	937	#ifdef SMART_RESIZE
745	int old_width = R->szHint.width,	938	/*
746	old_height = R->szHint.height;
747	#endif
748
749	rxvt_window_calc(aR_ width, height);
750	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
751	if (!ignoreparent) {
752	#ifdef SMART_RESIZE
753	/*
754	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	939	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
755	* reposition window on resize depending on placement on screen	940	* reposition window on resize depending on placement on screen
756	*/	941	*/
757	int x, y, x1, y1;	942	int x, y, x1, y1;
758	int dx, dy;	943	int dx, dy;
759	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	944	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
760	Window unused_cr;	945	Window unused_cr;
761		946
762	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	947	XTranslateCoordinates (dpy, parent[0], display->root,
763	0, 0, &x, &y, &unused_cr);	948	0, 0, &x, &y, &unused_cr);
764	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	949	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
765	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	950	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
766	/*	951	/*
767	* if Xroot isn't the parent window, a WM will probably have offset	952	* if display->root isn't the parent window, a WM will probably have offset
768	* our position for handles and decorations. Counter it	953	* our position for handles and decorations. Counter it
769	*/	954	*/
770	if (x1 != x || y1 != y) {	955	if (x1 != x || y1 != y)
		956	{
771	x -= x1;	957	x -= x1;
772	y -= y1;	958	y -= y1;
773	}	959	}
774		960
775	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	961	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
776	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	962	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
777	dx = old_width - R->szHint.width;	963	dx = old_width - szHint.width;
778	dy = old_height - R->szHint.height;	964	dy = old_height - szHint.height;
779		965
780	/* Check position of the center of the window */	966	/* Check position of the center of the window */
781	if (x < x1) /* left half */	967	if (x < x1) /* left half */
782	dx = 0;	968	dx = 0;
783	else if (x == x1) /* exact center */	969	else if (x == x1) /* exact center */
784	dx /= 2;	970	dx /= 2;
785	if (y < y1) /* top half */	971	if (y < y1) /* top half */
786	dy = 0;	972	dy = 0;
787	else if (y == y1) /* exact center */	973	else if (y == y1) /* exact center */
788	dy /= 2;	974	dy /= 2;
789		975
790	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	976	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
791	R->szHint.width, R->szHint.height);	977	szHint.width, szHint.height);
792	#else	978	#else
793	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	979	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
794	R->szHint.height);
795	#endif	980	#endif
796	}	981	}
797		982
798	fix_screen = (R->TermWin.ncol != R->h->prev_ncol	983	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
799	|| R->TermWin.nrow != R->h->prev_nrow);	984
800	if (fix_screen || width != R->h->old_width || height != R->h->old_height) {	985	if (fix_screen || newwidth != old_width || newheight != old_height)
801	if (scrollbar_visible(R)) {
802	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->h->window_sb_x,
803	0, scrollbar_TotalWidth(), R->szHint.height);
804	rxvt_Resize_scrollBar(aR);
805	}
806	if (menubar_visible(R))
807	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->h->window_vt_x,
808	0, TermWin_TotalWidth(), menuBar_TotalHeight());
809	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->h->window_vt_x,
810	R->h->window_vt_y, TermWin_TotalWidth(),
811	TermWin_TotalHeight());
812	#ifdef RXVT_GRAPHICS
813	if (R->h->old_height)
814	rxvt_Gr_Resize(aR_ R->h->old_width - R->szHint.base_width,
815	R->h->old_height - R->szHint.base_height);
816	#endif
817	rxvt_scr_clear(aR);
818	#ifdef XPM_BACKGROUND
819	rxvt_resize_pixmap(aR);
820	#endif
821	}	986	{
		987	if (scrollBar.state)
		988	{
		989	XMoveResizeWindow (dpy, scrollBar.win,
		990	window_sb_x, 0,
		991	scrollbar_TotalWidth (), szHint.height);
		992	resize_scrollbar ();
		993	}
822		994
		995	XMoveResizeWindow (dpy, vt,
		996	window_vt_x, window_vt_y,
		997	width, height);
		998
		999	#ifdef HAVE_BG_PIXMAP
		1000	if (bgPixmap.window_size_sensitive ())
		1001	update_background ();
		1002	#endif
		1003
		1004	scr_clear ();
		1005	}
		1006
823	if (fix_screen || R->h->old_height == 0) {	1007	if (fix_screen || old_height == 0)
824	int curr_screen = -1;	1008	scr_reset ();
825	uint16_t old_ncol = R->h->prev_ncol;
826		1009
827	/* scr_reset only works on the primary screen */	1010	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
828	if (R->h->old_height) /* this is not the first time through */	1011	//scr_touch (false);
829	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
830	rxvt_scr_reset(aR);
831	if (curr_screen >= 0) { /* this is not the first time through */
832	rxvt_scr_change_screen(aR_ curr_screen);
833	rxvt_selection_check(aR_ (old_ncol != R->TermWin.ncol ? 4 : 0));
834	}
835	}
836		1012
837	R->h->old_width = R->szHint.width;	1013	#ifdef HAVE_BG_PIXMAP
838	R->h->old_height = R->szHint.height;	1014	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		1015	// if (bgPixmap.pixmap)
		1016	// scr_touch (false);
		1017	#endif
839		1018
840	#ifdef USE_XIM	1019	#ifdef USE_XIM
841	rxvt_IMSetStatusPosition(aR);	1020	IMSetPosition ();
842	#endif	1021	#endif
843	}	1022	}
844		1023
845	/*	1024	/*
846	* Set the width/height of the vt window in characters. Units are pixels.	1025	* Set the width/height of the vt window in characters. Units are pixels.
847	* good for toggling 80/132 columns	1026	* good for toggling 80/132 columns
848	*/	1027	*/
849	/* EXTPROTO */
850	void	1028	void
851	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1029	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
852	{	1030	{
853	XWindowAttributes wattr;	1031	XWindowAttributes wattr;
854		1032
855	if (width == 0 || height == 0) {	1033	if (newwidth == 0 || newheight == 0)
		1034	{
856	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1035	XGetWindowAttributes (dpy, display->root, &wattr);
		1036
857	if (width == 0)	1037	if (newwidth == 0)
858	width = wattr.width - R->szHint.base_width;	1038	newwidth = wattr.width - szHint.base_width;
859	if (height == 0)	1039	if (newheight == 0)
860	height = wattr.height - R->szHint.base_height;	1040	newheight = wattr.height - szHint.base_height;
		1041	}
		1042
		1043	if (newwidth != width || newheight != height)
861	}	1044	{
862	if (width != R->TermWin.width || height != R->TermWin.height) {
863	width += R->szHint.base_width;	1045	newwidth += szHint.base_width;
864	height += R->szHint.base_height;	1046	newheight += szHint.base_height;
865	rxvt_resize_all_windows(aR_ width, height, 0);	1047	resize_all_windows (newwidth, newheight, 0);
866	}	1048	}
867	}	1049	}
868		1050
869	/* -------------------------------------------------------------------- *	1051	/* -------------------------------------------------------------------- *
870	* - X INPUT METHOD ROUTINES - *	1052	* - X INPUT METHOD ROUTINES - *
871	* -------------------------------------------------------------------- */	1053	* -------------------------------------------------------------------- */
872	#ifdef USE_XIM	1054	#ifdef USE_XIM
873	/* INTPROTO */
874	void
875	rxvt_setSize(pR_ XRectangle *size)
876	{
877	size->x = R->TermWin.int_bwidth;
878	size->y = R->TermWin.int_bwidth;
879	size->width = Width2Pixel(R->TermWin.ncol);
880	size->height = Height2Pixel(R->TermWin.nrow);
881	}
882		1055
883	/* INTPROTO */
884	void	1056	void
885	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1057	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
886	{	1058	{
887	*fg = R->PixColors[Color_fg];	1059	fg = pix_colors [Color_fg];
888	*bg = R->PixColors[Color_bg];	1060	bg = pix_colors [Color_bg];
		1061	}
		1062
		1063	void
		1064	rxvt_term::im_set_size (XRectangle &size)
		1065	{
		1066	// the int_bwidth terms make no sense to me
		1067	size.x = int_bwidth;
		1068	size.y = int_bwidth;
		1069	size.width = Width2Pixel (ncol) + int_bwidth;
		1070	size.height = Height2Pixel (nrow) + int_bwidth;
		1071	}
		1072
		1073	void
		1074	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1075	XRectangle &status_rect,
		1076	const XRectangle &needed_rect)
		1077	{
		1078	preedit_rect.x = needed_rect.width;
		1079	preedit_rect.y = 0;
		1080	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1081	preedit_rect.height = fheight;
		1082
		1083	status_rect.x = 0;
		1084	status_rect.y = 0;
		1085	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1086	status_rect.height = fheight;
889	}	1087	}
890		1088
891	/* Checking whether input method is running. */	1089	/* Checking whether input method is running. */
892	/* INTPROTO */
893	Bool	1090	bool
894	rxvt_IMisRunning(pR)	1091	rxvt_term::IMisRunning ()
895	{	1092	{
896	char *p;	1093	char *p;
897	Atom atom;	1094	Atom atom;
898	Window win;	1095	Window win;
899	char server[IMBUFSIZ];	1096	char server[IMBUFSIZ];
900		1097
901	/* get current locale modifier */	1098	/* get current locale modifier */
902	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1099	if ((p = XSetLocaleModifiers (NULL)) != NULL)
903	STRCPY(server, "@server=");	1100	{
		1101	strcpy (server, "@server=");
904	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1102	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1103
905	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1104	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
906	*p = '\0';	1105	*p = '\0';
907		1106
908	atom = XInternAtom(R->Xdisplay, server, False);	1107	atom = XInternAtom (dpy, server, False);
909	win = XGetSelectionOwner(R->Xdisplay, atom);	1108	win = XGetSelectionOwner (dpy, atom);
		1109
910	if (win != None)	1110	if (win != None)
911	return True;	1111	return True;
912	}	1112	}
		1113
913	return False;	1114	return False;
914	}	1115	}
915		1116
916	/* EXTPROTO */
917	void	1117	void
918	rxvt_IMSendSpot(pR)	1118	rxvt_term::IMSendSpot ()
919	{	1119	{
920	XPoint spot;	1120	XPoint nspot;
921	XVaNestedList preedit_attr;	1121	XVaNestedList preedit_attr;
922		1122
923	if (R->h->Input_Context == NULL	1123	if (!Input_Context
924	|| !R->TermWin.focus	1124	|| !focus
925	|| !(R->h->input_style & XIMPreeditPosition)	1125	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
926	|| !(R->h->event_type == KeyPress	1126	return;
927	|| R->h->event_type == Expose
928	|| R->h->event_type == NoExpose
929	|| R->h->event_type == SelectionNotify
930	|| R->h->event_type == ButtonRelease
931	|| R->h->event_type == FocusIn)
932	|| !rxvt_IMisRunning(aR))
933	return;
934		1127
935	rxvt_setPosition(aR_ &spot);	1128	im_set_position (nspot);
936		1129
		1130	if (nspot.x == spot.x && nspot.y == spot.y)
		1131	return;
		1132
		1133	spot = nspot;
		1134
937	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1135	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
938	XSetICValues(R->h->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1136	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
939	XFree(preedit_attr);	1137	XFree (preedit_attr);
940	}	1138	}
941		1139
942	/* EXTPROTO */
943	void	1140	void
944	rxvt_setTermFontSet(pR_ int idx)	1141	rxvt_term::im_destroy ()
945	{	1142	{
946	char *string;	1143	if (input_method)
947	long length;	1144	{
948	int success = 0;	1145	if (Input_Context && input_method->xim)
		1146	XDestroyIC (Input_Context);
949		1147
950	if (idx < 0 || idx >= MAX_NFONTS)	1148	display->put_xim (input_method);
951	return;	1149	input_method = 0;
952	}
953
954	/* INTPROTO */
955	void
956	rxvt_setPreeditArea(pR_ XRectangle *preedit_rect, XRectangle *status_rect, XRectangle *needed_rect)
957	{
958	int mbh, vtx = 0;
959
960	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
961	vtx = scrollbar_TotalWidth();
962	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
963	mbh -= R->TermWin.lineSpace;
964
965	preedit_rect->x = needed_rect->width + vtx;
966	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
967
968	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
969	+ vtx;
970	preedit_rect->height = Height2Pixel(1);
971
972	status_rect->x = vtx;
973	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
974
975	status_rect->width = needed_rect->width ? needed_rect->width
976	: Width2Pixel(R->TermWin.ncol + 1);
977	status_rect->height = Height2Pixel(1);
978	}
979
980	/* ARGSUSED */
981	/* INTPROTO */
982	void
983	rxvt_IMDestroyCallback(XIM xim __attribute__((unused)), XPointer client_data __attribute__((unused)), XPointer call_data __attribute__((unused)))
984	{
985	dR;
986
987	R->h->Input_Context = NULL;
988	/* To avoid Segmentation Fault in C locale: Solaris only? */
989	if (STRCMP(R->h->locale, "C"))
990	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
991	rxvt_IMInstantiateCallback, NULL);
992	}
993
994	/*
995	* X manual pages and include files don't match on some systems:
996	* some think this is an XIDProc and others an XIMProc so we can't
997	* use the first argument - need to update this to be nice for
998	* both types via some sort of configure detection
999	*/
1000	/* ARGSUSED */
1001	/* EXTPROTO */
1002	void
1003	rxvt_IMInstantiateCallback(Display *unused __attribute__((unused)), XPointer client_data __attribute__((unused)), XPointer call_data __attribute__((unused)))
1004	{
1005	dR;
1006	int i, found, had_im;
1007	const char *p;
1008	char **s;
1009	char buf[IMBUFSIZ];
1010
1011	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1012	if (R->h->Input_Context)
1013	return;
1014
1015	found = had_im = 0;
1016	p = R->h->rs[Rs_inputMethod];
1017	if (p && *p) {
1018	had_im = 1;
1019	s = rxvt_splitcommastring(p);
1020	for (i = 0; s[i]; i++) {
1021	if (*s[i]) {
1022	STRCPY(buf, "@im=");
1023	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1024	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1025	&& (rxvt_IM_get_IC(aR) == True)) {
1026	found = 1;
1027	break;
1028	}
1029	}	1150	}
1030	}	1151
1031	for (i = 0; s[i]; i++)	1152	Input_Context = 0;
1032	free(s[i]);	1153	}
1033	free(s);	1154
		1155	#ifdef ENABLE_XIM_ONTHESPOT
		1156
		1157	static void
		1158	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1159	{
		1160	((rxvt_term *)client_data)->make_current ();
		1161	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1162	}
		1163
		1164	static void
		1165	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1166	{
		1167	((rxvt_term *)client_data)->make_current ();
		1168	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1169	}
		1170
		1171	static void
		1172	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1173	{
		1174	rxvt_term *term = (rxvt_term *)client_data;
		1175	XIMText *text = call_data->text;
		1176
		1177	term->make_current ();
		1178
		1179	if (text)
1034	}	1180	{
1035	if (found)	1181	void *str;
1036	return;
1037		1182
1038	/* try with XMODIFIERS env. var. */	1183	if (!text->encoding_is_wchar && text->string.multi_byte)
1039	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1184	{
1040	rxvt_IM_get_IC(aR);	1185	// of course, X makes it ugly again
1041	return;	1186	if (term->rs[Rs_imLocale])
1042	}	1187	SET_LOCALE (term->rs[Rs_imLocale]);
1043		1188
1044	/* try with no modifiers base IF the user didn't specify an IM */	1189	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1045	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1190	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1046	&& rxvt_IM_get_IC(aR) == True)	1191
1047	return;	1192	if (term->rs[Rs_imLocale])
		1193	SET_LOCALE (term->locale);
		1194	}
		1195	else
		1196	str = (void *)text->string.wide_char;
		1197
		1198	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1199	DT_INT, call_data->caret,
		1200	DT_INT, call_data->chg_first,
		1201	DT_INT, call_data->chg_length,
		1202	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1203	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1204	DT_END));
		1205	}
		1206	else
		1207	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1208	DT_INT, call_data->caret,
		1209	DT_INT, call_data->chg_first,
		1210	DT_INT, call_data->chg_length,
		1211	DT_END));
1048	}	1212	}
		1213
		1214	#if 0
		1215	static void
		1216	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1217	{
		1218	((rxvt_term *)client_data)->make_current ();
		1219	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1220	DT_INT, call_data->position,
		1221	DT_INT, call_data->direction,
		1222	DT_INT, call_data->style,
		1223	DT_END));
		1224	}
		1225	#endif
		1226
		1227	#endif
1049		1228
1050	/*	1229	/*
1051	* Try to open a XIM with the current modifiers, then see if we can	1230	* Try to open a XIM with the current modifiers, then see if we can
1052	* open a suitable preedit type	1231	* open a suitable preedit type
1053	*/	1232	*/
1054	/* INTPROTO */
1055	Bool	1233	bool
1056	rxvt_IM_get_IC(pR)	1234	rxvt_term::IM_get_IC (const char *modifiers)
1057	{	1235	{
1058	int i, j, found;	1236	int i, j, found;
1059	XIM xim;	1237	XIM xim;
1060	XPoint spot;	1238	XPoint spot;
1061	XRectangle rect, status_rect, needed_rect;	1239	XRectangle rect, status_rect, needed_rect;
1062	unsigned long fg, bg;	1240	unsigned long fg, bg;
1063	const char *p;	1241	const char *p;
1064	char **s;	1242	char **s;
1065	XIMStyles *xim_styles;	1243	XIMStyles *xim_styles;
1066	XVaNestedList preedit_attr, status_attr;	1244	#ifdef ENABLE_XIM_ONTHESPOT
1067	XIMCallback ximcallback;	1245	XIMCallback xcb[4];
1068	struct rxvt_hidden *h = R->h;	1246	#endif
1069		1247
1070	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1248	set_environ (envv);
1071	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1249
1072	if (xim == NULL)	1250	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1073	return False;	1251	return false;
1074		1252
		1253	input_method = display->get_xim (locale, modifiers);
		1254	if (input_method == NULL)
		1255	return false;
		1256
		1257	xim = input_method->xim;
		1258	spot.x = spot.y = -1;
		1259
1075	xim_styles = NULL;	1260	xim_styles = NULL;
1076	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1261	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1077	|| !xim_styles || !xim_styles->count_styles) {	1262	|| !xim_styles || !xim_styles->count_styles)
1078	XCloseIM(xim);
1079	return False;
1080	}	1263	{
		1264	im_destroy ();
		1265	return false;
		1266	}
1081		1267
1082	p = h->rs[Rs_preeditType] ? h->rs[Rs_preeditType]	1268	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1083	: "OverTheSpot,OffTheSpot,Root";	1269
		1270	for (int pi = 0; pi < 2; pi++)
		1271	{
		1272	p = pet[pi];
		1273
		1274	if (!p)
		1275	continue;
		1276
1084	s = rxvt_splitcommastring(p);	1277	s = rxvt_splitcommastring (p);
		1278
1085	for (i = found = 0; !found && s[i]; i++) {	1279	for (i = found = 0; !found && s[i]; i++)
1086	if (!STRCMP(s[i], "OverTheSpot"))	1280	{
		1281	if (!strcmp (s[i], "OverTheSpot"))
1087	h->input_style = (XIMPreeditPosition | XIMStatusNothing);	1282	input_style = XIMPreeditPosition | XIMStatusNothing;
1088	else if (!STRCMP(s[i], "OffTheSpot"))	1283	else if (!strcmp (s[i], "OffTheSpot"))
1089	h->input_style = (XIMPreeditArea | XIMStatusArea);	1284	input_style = XIMPreeditArea | XIMStatusArea;
1090	else if (!STRCMP(s[i], "Root"))	1285	else if (!strcmp (s[i], "Root"))
1091	h->input_style = (XIMPreeditNothing | XIMStatusNothing);	1286	input_style = XIMPreeditNothing | XIMStatusNothing;
		1287	else if (!strcmp (s[i], "None"))
		1288	input_style = XIMPreeditNone | XIMStatusNone;
		1289	#ifdef ENABLE_XIM_ONTHESPOT
		1290	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1291	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1292	#endif
		1293	else
		1294	input_style = XIMPreeditNothing | XIMStatusNothing;
1092		1295
1093	for (j = 0; j < xim_styles->count_styles; j++)	1296	for (j = 0; j < xim_styles->count_styles; j++)
1094	if (h->input_style == xim_styles->supported_styles[j]) {	1297	if (input_style == xim_styles->supported_styles[j])
1095	found = 1;	1298	{
1096	break;	1299	rxvt_freecommastring (s);
		1300
		1301	found = 1;
		1302	goto foundpet;
		1303	}
		1304
		1305	}
		1306
		1307	rxvt_freecommastring (s);
1097	}	1308	}
1098	}	1309
1099	for (i = 0; s[i]; i++)	1310	foundpet:
1100	free(s[i]);	1311
1101	free(s);
1102	XFree(xim_styles);	1312	XFree (xim_styles);
1103		1313
1104	if (!found) {	1314	if (!found)
1105	XCloseIM(xim);
1106	return False;
1107	}	1315	{
		1316	im_destroy ();
		1317	return false;
		1318	}
1108		1319
1109	ximcallback.callback = rxvt_IMDestroyCallback;	1320	XFontSet fs = 0;
1110
1111	/* XXX: not sure why we need this (as well as IC one below) */
1112	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1113
1114	preedit_attr = status_attr = NULL;	1321	XVaNestedList preedit_attr = 0, status_attr = 0;
1115		1322
		1323	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1324	{
		1325	// fake us a font-set, please
		1326	char **missing_charset_list;
		1327	int missing_charset_count;
		1328	char *def_string;
		1329	char pat[512];
		1330
		1331	sprintf (pat,
		1332	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1333	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1334	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1335	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1336	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1337	"*",
		1338	fheight,
		1339	fheight + 1, fheight - 1,
		1340	fheight - 2, fheight + 2);
		1341
		1342	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1343	&missing_charset_list, &missing_charset_count, &def_string);
		1344
		1345	if (missing_charset_list)
		1346	XFreeStringList (missing_charset_list);
		1347
		1348	if (!fs)
		1349	{
		1350	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1351	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1352	}
		1353	}
		1354
1116	if (h->input_style & XIMPreeditPosition) {	1355	if (input_style & XIMPreeditPosition)
1117	rxvt_setSize(aR_ &rect);	1356	{
1118	rxvt_setPosition(aR_ &spot);	1357	im_set_size (rect);
1119	rxvt_setColor(aR_ &fg, &bg);	1358	im_set_position (spot);
		1359	im_set_color (fg, bg);
1120		1360
1121	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1361	preedit_attr = XVaCreateNestedList (0,
1122	XNSpotLocation, &spot,	1362	XNForeground, fg,
1123	XNForeground, fg,	1363	XNBackground, bg,
1124	XNBackground, bg,	1364	XNArea, &rect,
1125	//XNFontSet, R->TermWin.fontset,	1365	XNSpotLocation, &spot,
1126	NULL);	1366	XNFontSet, fs,
1127	} else if (h->input_style & XIMPreeditArea) {
1128	rxvt_setColor(aR_ &fg, &bg);
1129
1130	/*
1131	* The necessary width of preedit area is unknown
1132	* until create input context.
1133	*/
1134	needed_rect.width = 0;
1135
1136	rxvt_setPreeditArea(aR_ &rect, &status_rect, &needed_rect);
1137
1138	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1139	XNForeground, fg,
1140	XNBackground, bg,
1141	//XNFontSet, R->TermWin.fontset,
1142	NULL);
1143	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1144	XNForeground, fg,
1145	XNBackground, bg,
1146	//XNFontSet, R->TermWin.fontset,
1147	NULL);	1367	NULL);
1148	}	1368	}
1149	h->Input_Context = XCreateIC(xim, XNInputStyle, h->input_style,
1150	XNClientWindow, R->TermWin.parent[0],
1151	XNFocusWindow, R->TermWin.parent[0],
1152	XNDestroyCallback, &ximcallback,
1153	preedit_attr ? XNPreeditAttributes : NULL,
1154	preedit_attr,
1155	status_attr ? XNStatusAttributes : NULL,
1156	status_attr, NULL);
1157	if (preedit_attr)
1158	XFree(preedit_attr);
1159	if (status_attr)
1160	XFree(status_attr);
1161	if (h->Input_Context == NULL) {
1162	rxvt_print_error("failed to create input context");
1163	XCloseIM(xim);
1164	return False;
1165	}
1166	if (h->input_style & XIMPreeditArea)	1369	else if (input_style & XIMPreeditArea)
1167	rxvt_IMSetStatusPosition(aR);	1370	{
1168	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1371	im_set_color (fg, bg);
		1372
		1373	/*
		1374	* The necessary width of preedit area is unknown
		1375	* until create input context.
		1376	*/
		1377	needed_rect.width = 0;
		1378	im_set_preedit_area (rect, status_rect, needed_rect);
		1379
		1380	preedit_attr = XVaCreateNestedList (0,
		1381	XNForeground, fg,
		1382	XNBackground, bg,
		1383	XNArea, &rect,
		1384	XNFontSet, fs,
		1385	NULL);
		1386	status_attr = XVaCreateNestedList (0,
		1387	XNForeground, fg,
		1388	XNBackground, bg,
		1389	XNArea, &status_rect,
		1390	XNFontSet, fs,
		1391	NULL);
		1392	}
		1393	#if ENABLE_XIM_ONTHESPOT
		1394	else if (input_style & XIMPreeditCallbacks)
		1395	{
		1396	im_set_position (spot);
		1397
		1398	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1399	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1400	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1401	# if 0
		1402	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1403	# endif
		1404
		1405	preedit_attr = XVaCreateNestedList (0,
		1406	XNSpotLocation, &spot,
		1407	XNPreeditStartCallback, &xcb[0],
		1408	XNPreeditDoneCallback , &xcb[1],
		1409	XNPreeditDrawCallback , &xcb[2],
		1410	# if 0
		1411	XNPreeditCaretCallback, &xcb[3],
		1412	# endif
		1413	NULL);
		1414	}
		1415	#endif
		1416
		1417	Input_Context = XCreateIC (xim,
		1418	XNInputStyle, input_style,
		1419	XNClientWindow, vt,
		1420	XNFocusWindow, parent[0],
		1421	preedit_attr ? XNPreeditAttributes : NULL,
		1422	preedit_attr,
		1423	status_attr ? XNStatusAttributes : NULL,
		1424	status_attr, NULL);
		1425
		1426	if (preedit_attr) XFree (preedit_attr);
		1427	if (status_attr) XFree (status_attr);
		1428	if (fs) XFreeFontSet (dpy, fs);
		1429
		1430	if (Input_Context == NULL)
		1431	{
		1432	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1433	im_destroy ();
		1434	return false;
		1435	}
		1436
		1437	#if 0
		1438	// unfortunately, only the focus window is used by XIM, hard to fix
		1439	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1440	vt_select_input ();
		1441	#endif
		1442
		1443	IMSetPosition ();
		1444
1169	return True;	1445	return true;
1170	}	1446	}
1171		1447
1172	/* EXTPROTO */
1173	void	1448	void
1174	rxvt_IMSetStatusPosition(pR)	1449	rxvt_term::im_cb ()
1175	{	1450	{
		1451	int i;
		1452	const char *p;
		1453	char **s;
		1454	char buf[IMBUFSIZ];
		1455
		1456	make_current ();
		1457
		1458	im_destroy ();
		1459
		1460	if (Input_Context)
		1461	return;
		1462
		1463	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1464	if (rs[Rs_imLocale])
		1465	SET_LOCALE (rs[Rs_imLocale]);
		1466	#endif
		1467
		1468	p = rs[Rs_inputMethod];
		1469	if (p && *p)
		1470	{
		1471	bool found = false;
		1472
		1473	s = rxvt_splitcommastring (p);
		1474
		1475	for (i = 0; s[i]; i++)
		1476	{
		1477	if (*s[i])
		1478	{
		1479	strcpy (buf, "@im=");
		1480	strncat (buf, s[i], IMBUFSIZ - 5);
		1481	if (IM_get_IC (buf))
		1482	{
		1483	found = true;
		1484	break;
		1485	}
		1486	}
		1487	}
		1488
		1489	rxvt_freecommastring (s);
		1490
		1491	if (found)
		1492	goto done;
		1493	}
		1494
		1495	/* try with XMODIFIERS env. var. */
		1496	if (IM_get_IC (""))
		1497	goto done;
		1498
		1499	/* try with no modifiers base IF the user didn't specify an IM */
		1500	if (IM_get_IC ("@im=none"))
		1501	goto done;
		1502
		1503	done:
		1504	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1505	if (rs[Rs_imLocale])
		1506	SET_LOCALE (locale);
		1507	#endif
		1508	}
		1509
		1510	void
		1511	rxvt_term::IMSetPosition ()
		1512	{
1176	XRectangle preedit_rect, status_rect, *needed_rect;	1513	XRectangle preedit_rect, status_rect, *needed_rect;
1177	XVaNestedList preedit_attr, status_attr;	1514	XVaNestedList preedit_attr, status_attr;
1178		1515
1179	if (R->h->Input_Context == NULL	1516	if (!Input_Context
1180	|| !R->TermWin.focus	1517	|| !focus
1181	|| !(R->h->input_style & XIMPreeditArea)	1518	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1182	|| !rxvt_IMisRunning(aR))	1519	|| !IMisRunning ())
1183	return;	1520	return;
1184		1521
		1522	if (input_style & XIMPreeditPosition)
		1523	{
		1524	im_set_size (preedit_rect);
		1525	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1526
		1527	XSetICValues (Input_Context,
		1528	XNPreeditAttributes, preedit_attr, NULL);
		1529	}
		1530	else
		1531	{
1185	/* Getting the necessary width of preedit area */	1532	/* Getting the necessary width of preedit area */
1186	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1533	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1187	XGetICValues(R->h->Input_Context, XNStatusAttributes, status_attr, NULL);	1534	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1188	XFree(status_attr);	1535	XFree (status_attr);
1189		1536
1190	rxvt_setPreeditArea(aR_ &preedit_rect, &status_rect, needed_rect);	1537	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1538	XFree (needed_rect);
1191		1539
1192	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1540	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1193	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1541	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1194		1542
1195	XSetICValues(R->h->Input_Context,	1543	XSetICValues (Input_Context,
1196	XNPreeditAttributes, preedit_attr,	1544	XNPreeditAttributes, preedit_attr,
1197	XNStatusAttributes, status_attr, NULL);	1545	XNStatusAttributes, status_attr,
		1546	NULL);
1198		1547
		1548	XFree (status_attr);
		1549	}
		1550
1199	XFree(preedit_attr);	1551	XFree (preedit_attr);
1200	XFree(status_attr);
1201	}	1552	}
1202	#endif /* USE_XIM */	1553	#endif /* USE_XIM */
1203		1554
1204	/*----------------------------------------------------------------------*/	1555	void
1205	rxvt_t *rxvt_current_term;	1556	rxvt_term::get_window_origin (int &x, int &y)
		1557	{
		1558	Window cr;
		1559	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1560	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1561	}
		1562
		1563	Pixmap
		1564	rxvt_term::get_pixmap_property (int prop_id)
		1565	{
		1566	if (prop_id > 0 && prop_id < NUM_XA)
		1567	if (xa[prop_id])
		1568	{
		1569	int aformat;
		1570	unsigned long nitems, bytes_after;
		1571	Atom atype;
		1572	unsigned char *prop = NULL;
		1573	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1574	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1575	&nitems, &bytes_after, &prop);
		1576	if (result == Success && prop && atype == XA_PIXMAP)
		1577	return *(Pixmap *)prop;
		1578	}
		1579
		1580	return None;
		1581	}
		1582
		1583	#ifdef HAVE_BG_PIXMAP
		1584	# if TRACE_PIXMAPS
		1585	# undef update_background
		1586	void
		1587	rxvt_term::trace_update_background (const char *file, int line)
		1588	{
		1589	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1590	update_background ();
		1591	}
		1592	# endif
		1593
		1594	void
		1595	rxvt_term::update_background ()
		1596	{
		1597	if (update_background_ev.is_active ())
		1598	return;
		1599
		1600	bgPixmap.invalidate ();
		1601
		1602	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1603
		1604	if (to_wait <= 0.)
		1605	bgPixmap.render ();
		1606	else
		1607	update_background_ev.start (to_wait);
		1608	}
		1609
		1610	void
		1611	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1612	{
		1613	make_current ();
		1614
		1615	update_background_ev.stop ();
		1616	bgPixmap.render ();
		1617	refresh_check ();
		1618	}
		1619
		1620	#endif /* HAVE_BG_PIXMAP */
1206		1621
1207	/*----------------------- end-of-file (C source) -----------------------*/	1622	/*----------------------- end-of-file (C source) -----------------------*/

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