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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.1 by pcg, Mon Nov 24 17:28:08 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 1.1 2003/11/24 17:28:08 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
		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	#endif
46		45
47	/*----------------------------------------------------------------------*/	46	#ifdef HAVE_XSETLOCALE
48	/* rxvt_init() */	47	# define X_LOCALE
49	/* LIBPROTO */	48	# 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	49	#else
99	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);	50	# ifdef HAVE_SETLOCALE
		51	# include <clocale>
100	#endif	52	# endif
101	#endif	53	#endif
102		54
103	#ifdef HAVE_SCROLLBARS	55	vector<rxvt_term *> rxvt_term::termlist;
104	if (R->Options & Opt_scrollBar)	56
105	rxvt_Resize_scrollBar(aR); /* create and map scrollbar */	57	// used to tell global functions which terminal instance is "active"
106	#endif	58	rxvt_t rxvt_current_term;
107	#if (MENUBAR_MAX)	59
108	if (menubar_visible(r))	60	static char curlocale[128], savelocale[128];
109	XMapWindow(R->Xdisplay, R->menuBar.win);	61
110	#endif	62	bool
111	#ifdef TRANSPARENT	63	rxvt_set_locale (const char *locale) NOTHROW
112	if (R->Options & Opt_transparent) {	64	{
113	XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);	65	int size = strlen (locale) + 1;
114	rxvt_check_our_parents(aR);	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
		78	void
		79	rxvt_push_locale (const char *locale) NOTHROW
		80	{
		81	strcpy (savelocale, curlocale);
		82	rxvt_set_locale (locale);
		83	}
		84
		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)
115	}	102	{
116	#endif	103	if (cc->c2 == c2) return c1;
117	XMapWindow(R->Xdisplay, R->TermWin.vt);	104	cc = (*this)[cc->c1];
118	XMapWindow(R->Xdisplay, R->TermWin.parent[0]);	105	}
119		106
120	rxvt_init_env(aR);	107	// check to see whether this combination already exists otherwise
121	rxvt_init_command(aR_ cmd_argv);	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	}
122		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
		150	return len;
		151
		152	}
		153	#endif
		154
		155	rxvt_term::rxvt_term ()
		156	{
		157	#if HAVE_BG_PIXMAP
		158	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		159	#endif
		160	#ifdef CURSOR_BLINK
		161	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		162	#endif
		163	#ifdef TEXT_BLINK
		164	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		165	#endif
		166	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		167	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		168	#endif
		169	#ifdef SELECTION_SCROLLING
		170	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		171	#endif
		172	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		173	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		174	#endif
		175	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		176	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		177	#endif
		178	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		179	#ifdef USE_XIM
		180	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
		181	#endif
		182	#ifdef POINTER_BLANK
		183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
		184	#endif
		185	#ifndef NO_BELL
		186	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		187	#endif
		188	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		189	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		190	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		191	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		192	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		193	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		195
		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;
		215	}
		216
		217	rxvt_term::~rxvt_term ()
		218	{
		219	termlist.erase (find (termlist.begin (), termlist.end(), this));
		220
		221	emergency_cleanup ();
		222
		223	#if ENABLE_STYLES
		224	for (int i = RS_styleCount; --i; )
		225	if (fontset[i] != fontset[0])
		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)
		241	{
		242	selection_clear ();
		243	selection_clear (true);
		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 ())
123	return R;	313	return;
124	}
125		314
126	/* ------------------------------------------------------------------------- *	315	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		316
140	do {	317	#if ENABLE_OVERLAY
141	errno = 0;	318	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	319	#endif
162	rxvt_clean_exit();
163	kill(getpid(), sig);
164	}
165		320
166	/* ARGSUSED */	321	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	}	322	{
177	rxvt_print_error("XError: Request: %d . %d, Error: %d",	323	#if USE_XIM
178	event->request_code, event->minor_code,	324	im_ev.stop (display);
179	event->error_code);	325	#endif
180	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	326	scrollbar_ev.stop (display);
181	exit(EXIT_FAILURE);	327	#if ENABLE_TRANSPARENCY || ENABLE_PERL
182	/* NOTREACHED */	328	rootwin_ev.stop (display);
		329	#endif
		330	incr_ev.stop ();
		331	termwin_ev.stop (display);
		332	vt_ev.stop (display);
		333	}
		334
		335	flush_ev.stop ();
		336	pty_ev.stop ();
		337	#ifdef CURSOR_BLINK
		338	cursor_blink_ev.stop ();
		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;
183	}	362	}
184		363
185	/*----------------------------------------------------------------------*/	364	/*----------------------------------------------------------------------*/
186	/*	365	/*
187	* Exit gracefully, clearing the utmp entry and restoring tty attributes	366	* Exit gracefully, clearing the utmp entry and restoring tty attributes
188	* 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
189	*/	368	*/
190	/* EXTPROTO */	369	static XErrorHandler old_xerror_handler;
191	void
192	rxvt_clean_exit(void)
193	{
194	dR;
195		370
196	#ifdef DEBUG_SCREEN	371	static void
197	rxvt_scr_release(aR);	372	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	{	373	{
220	void *p;	374	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
221		375	(*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	}	376	}
231		377
232	/* EXTPROTO */	378	#if !ENABLE_MINIMAL
233	void *	379	static void
234	rxvt_calloc(size_t number, size_t size)	380	print_x_error (Display *dpy, XErrorEvent *event)
235	{	381	{
236	void *p;	382	char buffer[BUFSIZ];
237		383	char mesg[BUFSIZ];
238	p = calloc(number, size);	384	char number[32];
239	if (p)	385	char *mtype = "XlibMessage";
240	return p;	386	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
241		387	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
242	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	388	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
243	rxvt_clean_exit();	389	rxvt_warn ("%s: %s\n", mesg, buffer);
244	exit(EXIT_FAILURE);	390	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
245	/* NOTREACHED */	391	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
246	}	392	sprintf(number, "%d", event->request_code);
247		393	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
248	/* EXTPROTO */	394	rxvt_warn ("(which is %s)\n", buffer);
249	void *	395	if (event->request_code >= 128) {
250	rxvt_realloc(void *ptr, size_t size)	396	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
251	{	397	mesg, BUFSIZ);
252	void *p;	398	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
253		399	}
254	if (ptr)	400	if ((event->error_code == BadWindow) ||
255	p = realloc(ptr, size);	401	(event->error_code == BadPixmap) ||
		402	(event->error_code == BadCursor) ||
		403	(event->error_code == BadFont) ||
		404	(event->error_code == BadDrawable) ||
		405	(event->error_code == BadColor) ||
		406	(event->error_code == BadGC) ||
		407	(event->error_code == BadIDChoice) ||
		408	(event->error_code == BadValue) ||
		409	(event->error_code == BadAtom)) {
		410	if (event->error_code == BadValue)
		411	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		412	mesg, BUFSIZ);
		413	else if (event->error_code == BadAtom)
		414	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		415	mesg, BUFSIZ);
256	else	416	else
257	p = malloc(size);	417	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
258	if (p)	418	mesg, BUFSIZ);
259	return p;	419	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
260		420	}
261	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	421	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
262	rxvt_clean_exit();	422	mesg, BUFSIZ);
263	exit(EXIT_FAILURE);	423	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
264	/* NOTREACHED */
265	}	424	}
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	425	#endif
281	# ifdef HAVE_SETEUID	426
282	switch (mode) {	427	int
283	case IGNORE:	428	rxvt_xerror_handler (Display *display, XErrorEvent *event)
284	/*	429	{
285	* change effective uid/gid - not real uid/gid - so we can switch	430	if (GET_R->allowedxerror == -1)
286	* back to root later, as required	431	GET_R->allowedxerror = event->error_code;
287	*/	432	else
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	}	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);
300	# else	438	#else
301	switch (mode) {	439	print_x_error (display, event);
302	case IGNORE:
303	setuid(getuid());
304	setgid(getgid());
305	/* FALLTHROUGH */
306	case SAVE:
307	/* FALLTHROUGH */
308	case RESTORE:
309	break;
310	}
311	# endif	440	#endif
312	#endif	441	}
313	}
314		442
315	#ifdef UTMP_SUPPORT	443	return 0;
316	/* EXTPROTO */	444	}
317	void
318	rxvt_privileged_utmp(pR_ char action)
319	{
320	struct rxvt_hidden *h = R->h;
321		445
322	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)", action, h->next_utmp_action, getpid()));	446	int
323	if (h->next_utmp_action != action	447	rxvt_xioerror_handler (Display *display)
324	|| (action != SAVE && action != RESTORE)	448	{
325	|| (R->Options & Opt_utmpInhibit)	449	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
326	|| h->ttydev == NULL	450	DisplayString (display));
327	|| *h->ttydev == '\0')	451	rxvt_emergency_cleanup ();
328	return;	452	_exit (EXIT_FAILURE);
		453	}
329		454
330	rxvt_privileges(aR_ RESTORE);	455	static struct sig_handlers
331	if (action == SAVE) {	456	{
332	h->next_utmp_action = RESTORE;	457	ev::sig sw_term, sw_int;
333	rxvt_makeutent(aR_ h->ttydev, h->rs[Rs_display_name]);	458
334	} else { /* action == RESTORE */	459	/*
335	h->next_utmp_action = IGNORE;	460	* Catch a fatal signal and tidy up before quitting
336	rxvt_cleanutent(aR);	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);
337	}	468	}
338	rxvt_privileges(aR_ IGNORE);	469	} sig_handlers;
339	}
340	#endif
341		470
342	#ifndef NO_SETOWNER_TTYDEV
343	/* EXTPROTO */
344	void	471	void
345	rxvt_privileged_ttydev(pR_ char action)	472	sig_handlers::sig_term (ev::sig &w, int revents)
346	{	473	{
347	struct rxvt_hidden *h = R->h;	474	rxvt_emergency_cleanup ();
348		475	w.stop ();
349	D_MAIN((stderr, "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)", action, h->next_tty_action, getpid()));	476	kill (getpid (), w.signum);
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
365	# endif
366	{
367	chown(h->ttydev, getuid(), h->ttygid); /* fail silently */
368	chmod(h->ttydev, h->ttymode);
369	# ifdef HAVE_REVOKE
370	revoke(h->ttydev);
371	# endif
372	}
373	} else { /* action == RESTORE */
374	h->next_tty_action = IGNORE;
375	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
376	chmod(h->ttydev, h->ttyfd_stat.st_mode);
377	chown(h->ttydev, h->ttyfd_stat.st_uid, h->ttyfd_stat.st_gid);
378	# else
379	chmod(h->ttydev,
380	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
381	chown(h->ttydev, 0, 0);
382	# endif
383	}
384
385	rxvt_privileges(aR_ IGNORE);
386
387	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
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));
389	# endif
390	}	477	}
391	#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	}
392		510
393	/*----------------------------------------------------------------------*/	511	/*----------------------------------------------------------------------*/
394	/*	512	/*
395	* window size/position calculcations for XSizeHint and other storage.	513	* window size/position calculations for XSizeHint and other storage.
396	* if width/height are non-zero then override calculated width/height	514	* if width/height are non-zero then override calculated width/height
397	*/	515	*/
398	/* EXTPROTO */
399	void	516	void
400	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	517	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
401	{	518	{
402	short recalc_x, recalc_y;	519	short recalc_x, recalc_y;
403	int x, y, sb_w, mb_h, flags;	520	int x, y, flags;
404	unsigned int w, h;	521	unsigned int w, h;
405	unsigned int max_width, max_height;	522	unsigned int max_width, max_height;
406		523
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;	524	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
409	R->szHint.win_gravity = NorthWestGravity;	525	szHint.win_gravity = NorthWestGravity;
410	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	526	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
411		527
412	recalc_x = recalc_y = 0;	528	recalc_x = recalc_y = 0;
413	flags = 0;	529	flags = 0;
		530
414	if (!R->h->parsed_geometry) {	531	if (!parsed_geometry)
		532	{
415	R->h->parsed_geometry = 1;	533	parsed_geometry = 1;
		534
416	if (R->h->rs[Rs_geometry])	535	if (rs[Rs_geometry])
417	flags = XParseGeometry(R->h->rs[Rs_geometry], &x, &y, &w, &h);	536	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		537
418	if (flags & WidthValue) {	538	if (flags & WidthValue)
419	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	539	{
420	R->szHint.flags |= USSize;	540	if (!w)
421	}	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 ());
		544	szHint.flags |= USSize;
		545	}
		546
422	if (flags & HeightValue) {	547	if (flags & HeightValue)
423	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	548	{
424	R->szHint.flags |= USSize;	549	if (!h)
425	}	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 ());
		553	szHint.flags |= USSize;
		554	}
		555
426	if (flags & XValue) {	556	if (flags & XValue)
427	R->szHint.x = x;	557	{
		558	szHint.x = x;
428	R->szHint.flags |= USPosition;	559	szHint.flags |= USPosition;
		560
429	if (flags & XNegative) {	561	if (flags & XNegative)
430	recalc_x = 1;	562	{
		563	recalc_x = 1;
431	R->szHint.win_gravity = NorthEastGravity;	564	szHint.win_gravity = NorthEastGravity;
		565	}
		566	}
		567
		568	if (flags & YValue)
		569	{
		570	szHint.y = y;
		571	szHint.flags |= USPosition;
		572
		573	if (flags & YNegative)
		574	{
		575	recalc_y = 1;
		576
		577	if (szHint.win_gravity == NorthEastGravity)
		578	szHint.win_gravity = SouthEastGravity;
		579	else
		580	szHint.win_gravity = SouthWestGravity;
		581	}
		582	}
432	}	583	}
433	}	584
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 */	585	/* TODO: BOUNDS */
447	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	586	width = ncol * fwidth;
448	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	587	height = nrow * fheight;
449	max_width = MAX_COLS * R->TermWin.fwidth;	588	max_width = MAX_COLS * fwidth;
450	max_height = MAX_ROWS * R->TermWin.fheight;	589	max_height = MAX_ROWS * fheight;
451		590
452	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	591	szHint.base_width = szHint.base_height = 2 * int_bwidth;
453		592
454	sb_w = mb_h = 0;	593	window_vt_x = window_vt_y = int_bwidth;
455	R->h->window_vt_x = R->h->window_vt_y = 0;	594
456	if (scrollbar_visible(R)) {	595	if (scrollBar.state)
457	sb_w = scrollbar_TotalWidth();	596	{
		597	int sb_w = scrollBar.total_width ();
458	R->szHint.base_width += sb_w;	598	szHint.base_width += sb_w;
		599
459	if (!(R->Options & Opt_scrollBar_right))	600	if (!option (Opt_scrollBar_right))
460	R->h->window_vt_x = sb_w;	601	window_vt_x += sb_w;
461	}	602	}
462	if (menubar_visible(R)) {	603
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;	604	szHint.width_inc = fwidth;
468	R->szHint.height_inc = R->TermWin.fheight;	605	szHint.height_inc = fheight;
469	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	606	szHint.min_width = szHint.base_width + szHint.width_inc;
470	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	607	szHint.min_height = szHint.base_height + szHint.height_inc;
471		608
472	if (width && width - R->szHint.base_width < max_width) {	609	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	}	610	{
		611	szHint.width = newwidth;
		612	width = newwidth - szHint.base_width;
		613	}
		614	else
		615	{
		616	min_it (width, max_width);
		617	szHint.width = szHint.base_width + width;
		618	}
		619
479	if (height && height - R->szHint.base_height < max_height) {	620	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	}	621	{
486	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	622	szHint.height = newheight;
487	R->h->window_sb_x = R->szHint.width - sb_w;	623	height = newheight - szHint.base_height;
		624	}
		625	else
		626	{
		627	min_it (height, max_height);
		628	szHint.height = szHint.base_height + height;
		629	}
488		630
489	if (recalc_x)	631	if (recalc_x)
490	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	632	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
491	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	633
492	if (recalc_y)	634	if (recalc_y)
493	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	635	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
494	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
495		636
496	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	637	ncol = width / fwidth;
497	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	638	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	}	639	}
501		640
502	/*----------------------------------------------------------------------*/	641	/*----------------------------------------------------------------------*/
503	/*	642	/*
504	* Tell the teletype handler what size the window is.	643	* Tell the teletype handler what size the window is.
505	* Called after a window size change.	644	* Called after a window size change.
506	*/	645	*/
507	/* EXTPROTO */
508	void	646	void
509	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	647	rxvt_term::tt_winch ()
510	{	648	{
		649	if (pty->pty < 0)
		650	return;
		651
511	struct winsize ws;	652	struct winsize ws;
512		653
513	if (fd < 0)
514	return;
515	ws.ws_col = col;	654	ws.ws_col = ncol;
516	ws.ws_row = row;	655	ws.ws_row = nrow;
517	ws.ws_xpixel = ws.ws_ypixel = 0;	656	ws.ws_xpixel = width;
518	#ifndef DEBUG_SIZE	657	ws.ws_ypixel = height;
519	(void)ioctl(fd, TIOCSWINSZ, &ws);	658	ioctl (pty->pty, TIOCSWINSZ, &ws);
520	#else	659
521	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	660	#if 0
522	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	661	// TIOCSWINSZ is supposed to do this automatically and correctly
523	}
524	# ifdef SIGWINCH
525	else if (pid) /* force through to the command */	662	if (cmd_pid) /* force through to the command */
526	kill(pid, SIGWINCH);	663	kill (-cmd_pid, SIGWINCH);
527	# endif
528	#endif	664	#endif
529	}	665	}
530		666
531	/*----------------------------------------------------------------------*/	667	/*----------------------------------------------------------------------*/
532	/* rxvt_change_font() - Switch to a new font */	668	/* set_fonts () - load and set the various fonts
533	/*	669	*
534	* init = 1 - initialize	670	* init = 1 - initialize
535	*	671	*
536	* fontname == FONT_UP - switch to bigger font	672	* fontname == FONT_UP - switch to bigger font
537	* fontname == FONT_DN - switch to smaller font	673	* fontname == FONT_DN - switch to smaller font
538	*/	674	*/
539	/* EXTPROTO */	675	bool
540	void	676	rxvt_term::set_fonts ()
541	rxvt_change_font(pR_ int init, const char *fontname)
542	{	677	{
543	}	678	rxvt_fontset *fs = new rxvt_fontset (this);
		679	rxvt_fontprop prop;
544		680
545	/* 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
546	void	751	void
547	rxvt_font_up_down(pR_ int n, int direction)	752	rxvt_term::set_string_property (Atom prop, const char *str, int len)
548	{	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);
549	}	783	}
550		784
551	/*----------------------------------------------------------------------*/	785	/*----------------------------------------------------------------------*/
552	/*----------------------------------------------------------------------*/	786	/*----------------------------------------------------------------------*/
553	/* xterm sequences - title, iconName, color (exptl) */	787	/* xterm sequences - title, iconName, color (exptl) */
554	/* EXTPROTO */
555	void	788	void
556	rxvt_set_title(pR_ const char *str)	789	rxvt_term::set_title (const char *str)
557	{	790	{
558	#ifndef SMART_WINDOW_TITLE	791	set_mbstring_property (XA_WM_NAME, str);
559	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	792	#if ENABLE_EWMH
560	#else	793	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	794	#endif
570	}	795	}
571		796
572	/* EXTPROTO */
573	void	797	void
574	rxvt_set_iconName(pR_ const char *str)	798	rxvt_term::set_icon_name (const char *str)
575	{	799	{
576	#ifndef SMART_WINDOW_TITLE	800	set_mbstring_property (XA_WM_ICON_NAME, str);
577	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	801	#if ENABLE_EWMH
578	#else	802	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	803	#endif
588	}	804	}
589		805
		806	void
		807	rxvt_term::set_window_color (int idx, const char *color)
		808	{
590	#ifdef XTERM_COLOR_CHANGE	809	#ifdef XTERM_COLOR_CHANGE
591	/* EXTPROTO */
592	void
593	rxvt_set_window_color(pR_ int idx, const char *color)
594	{
595	rxvt_color xcol;	810	rxvt_color xcol;
596	int i;
597		811
598	if (color == NULL || *color == '\0')	812	if (color == NULL || *color == '\0')
599	return;	813	return;
600		814
		815	color = strdup (color);
		816	allocated.push_back ((void *)color);
		817	rs[Rs_color + idx] = color;
		818
601	/* handle color aliases */	819	/* handle color aliases */
602	if (isdigit(*color)) {	820	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	}	821	{
618	if (!rxvt_rXParseAllocColor(aR_ &xcol, color))	822	int i = atoi (color);
619	return;
620	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
621		823
622	/*	824	if (i >= 8 && i <= 15)
		825	{
		826	/* bright colors */
		827	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
		828	goto done;
		829	}
		830
		831	if (i >= 0 && i <= 7)
		832	{
		833	/* normal colors */
		834	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		835	goto done;
		836	}
		837	}
		838
		839	set_color (xcol, color);
		840
		841	/*
623	* 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,
624	* so just keep gobbling up the colormap	843	* so just keep gobbling up the colormap
625	*/	844	*/
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		845
637	R->PixColors[idx] = xcol;	846	pix_colors_focused[idx] = xcol;
638	SET_PIXCOLOR(R->h, idx);
639		847
640	/* XSetWindowAttributes attr; */	848	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. */	849	/*TODO: handle Color_BD, scrollbar background, etc. */
648		850
649	rxvt_set_colorfgbg(aR);	851	update_fade_color (idx);
650	rxvt_recolour_cursor(aR);	852	recolour_cursor ();
651	/* the only reasonable way to enforce a clean update */	853	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 */	854	#endif /* XTERM_COLOR_CHANGE */
		855	}
658		856
659	/* EXTPROTO */
660	void	857	void
661	rxvt_recolour_cursor(pR)	858	rxvt_term::recolour_cursor ()
662	{	859	{
663	rxvt_color xcol[2];	860	XColor fg, bg;
664		861
665	#if TODO	862	(ISSET_PIXCOLOR (Color_pointer_fg)
666	xcol[0] = R->PixColors[Color_pointer];	863	? pix_colors_focused[Color_pointer_fg]
667	xcol[1] = R->PixColors[Color_bg];	864	: pix_colors_focused[Color_fg]).get (fg);
668	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	865
669	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	866	(ISSET_PIXCOLOR (Color_pointer_bg)
670	#endif	867	? pix_colors_focused[Color_pointer_bg]
		868	: pix_colors_focused[Color_bg]).get (bg);
		869
		870	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
671	}	871	}
672		872
673	/*----------------------------------------------------------------------*/	873	/*----------------------------------------------------------------------*/
674	/*	874	/*
675	* 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
676	*/	876	*/
677	/* INTPROTO */
678	void	877	void
679	rxvt_set_colorfgbg(pR)	878	rxvt_term::set_colorfgbg ()
680	{	879	{
681	unsigned int i;	880	unsigned int i;
682	const char *xpmb = "\0";	881	const char *xpmb = "";
683	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	882	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
684		883
685	R->h->env_colorfgbg = (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	884	strcpy (fstr, "default");
686	STRCPY(fstr, "default");	885	strcpy (bstr, "default");
687	STRCPY(bstr, "default");
688	for (i = Color_Black; i <= Color_White; i++)	886	for (i = Color_Black; i <= Color_White; i++)
689	if (R->PixColors[Color_fg] == R->PixColors[i]) {	887	if (pix_colors[Color_fg] == pix_colors[i])
		888	{
690	sprintf(fstr, "%d", (i - Color_Black));	889	sprintf (fstr, "%d", (i - Color_Black));
691	break;	890	break;
692	}	891	}
		892
693	for (i = Color_Black; i <= Color_White; i++)	893	for (i = Color_Black; i <= Color_White; i++)
694	if (R->PixColors[Color_bg] == R->PixColors[i]) {	894	if (pix_colors[Color_bg] == pix_colors[i])
		895	{
695	sprintf(bstr, "%d", (i - Color_Black));	896	sprintf (bstr, "%d", (i - Color_Black));
696	#ifdef XPM_BACKGROUND	897	#ifdef BG_IMAGE_FROM_FILE
697	xpmb = "default;";	898	xpmb = "default;";
698	#endif	899	#endif
699	break;	900	break;
700	}	901	}
		902
701	sprintf(R->h->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	903	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	}	904	}
714		905
715	/*----------------------------------------------------------------------*/	906	/*----------------------------------------------------------------------*/
716	/*
717	* Colour determination for low colour displays, routine from
718	* Hans de Goede <hans@highrise.nl>
719	*/
720		907
721	/* EXTPROTO */	908	bool
722	int	909	rxvt_term::set_color (rxvt_color &color, const char *name)
723	rxvt_rXParseAllocColor(pR_ rxvt_color *screen_in_out, const char *colour)
724	{	910	{
725	screen_in_out->set (aR_ colour);	911	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;	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]);
734	}	922	}
735		923
736	/* -------------------------------------------------------------------- *	924	/* -------------------------------------------------------------------- *
737	* - WINDOW RESIZING - *	925	* - WINDOW RESIZING - *
738	* -------------------------------------------------------------------- */	926	* -------------------------------------------------------------------- */
739	/* EXTPROTO */
740	void	927	void
741	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, int ignoreparent)	928	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
742	{	929	{
743	int fix_screen;	930	int fix_screen;
		931	int old_width = szHint.width;
		932	int old_height = szHint.height;
		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	{
744	#ifdef SMART_RESIZE	948	#ifdef SMART_RESIZE
745	int old_width = R->szHint.width,	949	/*
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>	950	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
755	* reposition window on resize depending on placement on screen	951	* reposition window on resize depending on placement on screen
756	*/	952	*/
757	int x, y, x1, y1;	953	int x, y, x1, y1;
758	int dx, dy;	954	int dx, dy;
759	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	955	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
760	Window unused_cr;	956	Window unused_cr;
761		957
762	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	958	XTranslateCoordinates (dpy, parent[0], display->root,
763	0, 0, &x, &y, &unused_cr);	959	0, 0, &x, &y, &unused_cr);
764	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	960	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
765	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	961	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
766	/*	962	/*
767	* 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
768	* our position for handles and decorations. Counter it	964	* our position for handles and decorations. Counter it
769	*/	965	*/
770	if (x1 != x || y1 != y) {	966	if (x1 != x || y1 != y)
		967	{
771	x -= x1;	968	x -= x1;
772	y -= y1;	969	y -= y1;
773	}	970	}
774		971
775	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	972	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
776	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	973	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
777	dx = old_width - R->szHint.width;	974	dx = old_width - szHint.width;
778	dy = old_height - R->szHint.height;	975	dy = old_height - szHint.height;
779		976
780	/* Check position of the center of the window */	977	/* Check position of the center of the window */
781	if (x < x1) /* left half */	978	if (x < x1) /* left half */
782	dx = 0;	979	dx = 0;
783	else if (x == x1) /* exact center */	980	else if (x == x1) /* exact center */
784	dx /= 2;	981	dx /= 2;
785	if (y < y1) /* top half */	982	if (y < y1) /* top half */
786	dy = 0;	983	dy = 0;
787	else if (y == y1) /* exact center */	984	else if (y == y1) /* exact center */
788	dy /= 2;	985	dy /= 2;
789		986
790	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	987	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
791	R->szHint.width, R->szHint.height);	988	szHint.width, szHint.height);
792	#else	989	#else
793	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	990	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
794	R->szHint.height);
795	#endif	991	#endif
796	}	992	}
797		993
798	fix_screen = (R->TermWin.ncol != R->h->prev_ncol	994	if (set_hint)
799	|| R->TermWin.nrow != R->h->prev_nrow);	995	XSetWMNormalHints (dpy, parent[0], &szHint);
		996
		997	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		998
800	if (fix_screen || width != R->h->old_width || height != R->h->old_height) {	999	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	}	1000	{
		1001	if (scrollBar.state)
		1002	scrollBar.resize ();
822		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
823	if (fix_screen || R->h->old_height == 0) {	1014	if (fix_screen || old_height == 0)
824	int curr_screen = -1;	1015	scr_reset ();
825	uint16_t old_ncol = R->h->prev_ncol;
826		1016
827	/* scr_reset only works on the primary screen */	1017	#ifdef HAVE_BG_PIXMAP
828	if (R->h->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 ?
829	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1019	// if (bgPixmap.pixmap)
830	rxvt_scr_reset(aR);	1020	// scr_touch (false);
831	if (curr_screen >= 0) { /* this is not the first time through */	1021	#endif
832	rxvt_scr_change_screen(aR_ curr_screen);
833	rxvt_selection_check(aR_ (old_ncol != R->TermWin.ncol ? 4 : 0));
834	}
835	}
836
837	R->h->old_width = R->szHint.width;
838	R->h->old_height = R->szHint.height;
839		1022
840	#ifdef USE_XIM	1023	#ifdef USE_XIM
841	rxvt_IMSetStatusPosition(aR);	1024	IMSetPosition ();
842	#endif	1025	#endif
843	}	1026	}
844		1027
845	/*	1028	/*
846	* 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.
847	* good for toggling 80/132 columns	1030	* good for toggling 80/132 columns
848	*/	1031	*/
849	/* EXTPROTO */
850	void	1032	void
851	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1033	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
852	{	1034	{
853	XWindowAttributes wattr;	1035	XWindowAttributes wattr;
854		1036
855	if (width == 0 || height == 0) {	1037	if (newwidth == 0 || newheight == 0)
		1038	{
856	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1039	XGetWindowAttributes (dpy, display->root, &wattr);
		1040
857	if (width == 0)	1041	if (newwidth == 0)
858	width = wattr.width - R->szHint.base_width;	1042	newwidth = wattr.width - szHint.base_width;
859	if (height == 0)	1043	if (newheight == 0)
860	height = wattr.height - R->szHint.base_height;	1044	newheight = wattr.height - szHint.base_height;
		1045	}
		1046
		1047	if (newwidth != width || newheight != height)
861	}	1048	{
862	if (width != R->TermWin.width || height != R->TermWin.height) {
863	width += R->szHint.base_width;	1049	newwidth += szHint.base_width;
864	height += R->szHint.base_height;	1050	newheight += szHint.base_height;
865	rxvt_resize_all_windows(aR_ width, height, 0);	1051	resize_all_windows (newwidth, newheight, 0);
866	}	1052	}
867	}	1053	}
868		1054
869	/* -------------------------------------------------------------------- *	1055	/* -------------------------------------------------------------------- *
870	* - X INPUT METHOD ROUTINES - *	1056	* - X INPUT METHOD ROUTINES - *
871	* -------------------------------------------------------------------- */	1057	* -------------------------------------------------------------------- */
872	#ifdef USE_XIM	1058	#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		1059
883	/* INTPROTO */
884	void	1060	void
885	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1061	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
886	{	1062	{
887	*fg = R->PixColors[Color_fg];	1063	fg = pix_colors [Color_fg];
888	*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;
889	}	1091	}
890		1092
891	/* Checking whether input method is running. */	1093	/* Checking whether input method is running. */
892	/* INTPROTO */
893	Bool	1094	bool
894	rxvt_IMisRunning(pR)	1095	rxvt_term::IMisRunning ()
895	{	1096	{
896	char *p;	1097	Atom atom;
897	Atom atom;	1098	Window win;
898	Window win;
899	char server[IMBUFSIZ];	1099	char server[IMBUFSIZ];
900		1100
901	/* get current locale modifier */	1101	/* get current locale modifier */
902	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1102	if (char *p = XSetLocaleModifiers (0))
903	STRCPY(server, "@server=");	1103	{
904	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1104	strcpy (server, "@server=");
905	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1105	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1106
		1107	if (p = strchr (server + 1, '@')) /* first one only */
906	*p = '\0';	1108	*p = '\0';
907		1109
908	atom = XInternAtom(R->Xdisplay, server, False);	1110	atom = XInternAtom (dpy, server, False);
909	win = XGetSelectionOwner(R->Xdisplay, atom);	1111	win = XGetSelectionOwner (dpy, atom);
		1112
910	if (win != None)	1113	if (win != None)
911	return True;	1114	return True;
912	}	1115	}
		1116
913	return False;	1117	return False;
914	}	1118	}
915		1119
916	/* EXTPROTO */
917	void	1120	void
918	rxvt_IMSendSpot(pR)	1121	rxvt_term::IMSendSpot ()
919	{	1122	{
920	XPoint spot;	1123	XPoint nspot;
921	XVaNestedList preedit_attr;	1124	XVaNestedList preedit_attr;
922		1125
923	if (R->h->Input_Context == NULL	1126	if (!Input_Context
924	|| !R->TermWin.focus	1127	|| !focus
925	|| !(R->h->input_style & XIMPreeditPosition)	1128	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
926	|| !(R->h->event_type == KeyPress	1129	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		1130
935	rxvt_setPosition(aR_ &spot);	1131	im_set_position (nspot);
936		1132
		1133	if (nspot.x == spot.x && nspot.y == spot.y)
		1134	return;
		1135
		1136	spot = nspot;
		1137
937	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1138	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
938	XSetICValues(R->h->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1139	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
939	XFree(preedit_attr);	1140	XFree (preedit_attr);
940	}	1141	}
941		1142
942	/* EXTPROTO */
943	void	1143	void
944	rxvt_setTermFontSet(pR_ int idx)	1144	rxvt_term::im_destroy ()
945	{	1145	{
946	char *string;	1146	if (input_method)
947	long length;	1147	{
948	int success = 0;	1148	if (Input_Context && input_method->xim)
		1149	XDestroyIC (Input_Context);
949		1150
950	if (idx < 0 || idx >= MAX_NFONTS)	1151	display->put_xim (input_method);
951	return;	1152	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	}	1153	}
1030	}	1154
1031	for (i = 0; s[i]; i++)	1155	Input_Context = 0;
1032	free(s[i]);	1156	}
1033	free(s);	1157
		1158	#ifdef ENABLE_XIM_ONTHESPOT
		1159
		1160	static void
		1161	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1162	{
		1163	((rxvt_term *)client_data)->make_current ();
		1164	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1165	}
		1166
		1167	static void
		1168	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1169	{
		1170	((rxvt_term *)client_data)->make_current ();
		1171	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1172	}
		1173
		1174	static void
		1175	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1176	{
		1177	rxvt_term *term = (rxvt_term *)client_data;
		1178	XIMText *text = call_data->text;
		1179
		1180	term->make_current ();
		1181
		1182	if (text)
1034	}	1183	{
1035	if (found)	1184	wchar_t *str;
1036	return;
1037		1185
1038	/* try with XMODIFIERS env. var. */	1186	if (!text->encoding_is_wchar && text->string.multi_byte)
1039	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1187	{
1040	rxvt_IM_get_IC(aR);	1188	// of course, X makes it ugly again
1041	return;	1189	if (term->rs[Rs_imLocale])
1042	}	1190	SET_LOCALE (term->rs[Rs_imLocale]);
1043		1191
1044	/* try with no modifiers base IF the user didn't specify an IM */	1192	str = rxvt_temp_buf<wchar_t> (text->length + 1);
1045	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1193	mbstowcs (str, text->string.multi_byte, text->length + 1);
1046	&& rxvt_IM_get_IC(aR) == True)	1194
1047	return;	1195	if (term->rs[Rs_imLocale])
		1196	SET_LOCALE (term->locale);
		1197	}
		1198	else
		1199	str = text->string.wide_char;
		1200
		1201	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1202	DT_INT, call_data->caret,
		1203	DT_INT, call_data->chg_first,
		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));
		1208	}
		1209	else
		1210	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1211	DT_INT, call_data->caret,
		1212	DT_INT, call_data->chg_first,
		1213	DT_INT, call_data->chg_length,
		1214	DT_END));
1048	}	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
1049		1231
1050	/*	1232	/*
1051	* 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
1052	* open a suitable preedit type	1234	* open a suitable preedit type
1053	*/	1235	*/
1054	/* INTPROTO */
1055	Bool	1236	bool
1056	rxvt_IM_get_IC(pR)	1237	rxvt_term::IM_get_IC (const char *modifiers)
1057	{	1238	{
1058	int i, j, found;	1239	int i, j, found;
1059	XIM xim;	1240	XIM xim;
1060	XPoint spot;	1241	XPoint spot;
1061	XRectangle rect, status_rect, needed_rect;	1242	XRectangle rect, status_rect, needed_rect;
1062	unsigned long fg, bg;	1243	unsigned long fg, bg;
1063	const char *p;	1244	const char *p;
1064	char **s;	1245	char **s;
1065	XIMStyles *xim_styles;	1246	XIMStyles *xim_styles;
1066	XVaNestedList preedit_attr, status_attr;	1247	#ifdef ENABLE_XIM_ONTHESPOT
1067	XIMCallback ximcallback;	1248	XIMCallback xcb[4];
1068	struct rxvt_hidden *h = R->h;	1249	#endif
1069		1250
1070	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1251	set_environ (envv);
1071	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1252
1072	if (xim == NULL)	1253	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1073	return False;	1254	return false;
1074		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
1075	xim_styles = NULL;	1263	xim_styles = NULL;
1076	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1264	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1077	|| !xim_styles || !xim_styles->count_styles) {	1265	|| !xim_styles || !xim_styles->count_styles)
1078	XCloseIM(xim);
1079	return False;
1080	}	1266	{
		1267	im_destroy ();
		1268	return false;
		1269	}
1081		1270
1082	p = h->rs[Rs_preeditType] ? h->rs[Rs_preeditType]	1271	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1083	: "OverTheSpot,OffTheSpot,Root";	1272
		1273	for (int pi = 0; pi < 2; pi++)
		1274	{
		1275	p = pet[pi];
		1276
		1277	if (!p)
		1278	continue;
		1279
1084	s = rxvt_splitcommastring(p);	1280	s = rxvt_splitcommastring (p);
		1281
1085	for (i = found = 0; !found && s[i]; i++) {	1282	for (i = found = 0; !found && s[i]; i++)
1086	if (!STRCMP(s[i], "OverTheSpot"))	1283	{
		1284	if (!strcmp (s[i], "OverTheSpot"))
1087	h->input_style = (XIMPreeditPosition | XIMStatusNothing);	1285	input_style = XIMPreeditPosition | XIMStatusNothing;
1088	else if (!STRCMP(s[i], "OffTheSpot"))	1286	else if (!strcmp (s[i], "OffTheSpot"))
1089	h->input_style = (XIMPreeditArea | XIMStatusArea);	1287	input_style = XIMPreeditArea | XIMStatusArea;
1090	else if (!STRCMP(s[i], "Root"))	1288	else if (!strcmp (s[i], "Root"))
1091	h->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;
1092		1298
1093	for (j = 0; j < xim_styles->count_styles; j++)	1299	for (j = 0; j < xim_styles->count_styles; j++)
1094	if (h->input_style == xim_styles->supported_styles[j]) {	1300	if (input_style == xim_styles->supported_styles[j])
1095	found = 1;	1301	{
1096	break;	1302	rxvt_freecommastring (s);
		1303
		1304	found = 1;
		1305	goto foundpet;
		1306	}
		1307
		1308	}
		1309
		1310	rxvt_freecommastring (s);
1097	}	1311	}
1098	}	1312
1099	for (i = 0; s[i]; i++)	1313	foundpet:
1100	free(s[i]);	1314
1101	free(s);
1102	XFree(xim_styles);	1315	XFree (xim_styles);
1103		1316
1104	if (!found) {	1317	if (!found)
1105	XCloseIM(xim);
1106	return False;
1107	}	1318	{
		1319	im_destroy ();
		1320	return false;
		1321	}
1108		1322
1109	ximcallback.callback = rxvt_IMDestroyCallback;	1323	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;	1324	XVaNestedList preedit_attr = 0, status_attr = 0;
1115		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
1116	if (h->input_style & XIMPreeditPosition) {	1358	if (input_style & XIMPreeditPosition)
1117	rxvt_setSize(aR_ &rect);	1359	{
1118	rxvt_setPosition(aR_ &spot);	1360	im_set_size (rect);
1119	rxvt_setColor(aR_ &fg, &bg);	1361	im_set_position (spot);
		1362	im_set_color (fg, bg);
1120		1363
1121	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1364	preedit_attr = XVaCreateNestedList (0,
1122	XNSpotLocation, &spot,	1365	XNForeground, fg,
1123	XNForeground, fg,	1366	XNBackground, bg,
1124	XNBackground, bg,	1367	XNArea, &rect,
1125	//XNFontSet, R->TermWin.fontset,	1368	XNSpotLocation, &spot,
1126	NULL);	1369	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);	1370	NULL);
1148	}	1371	}
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)	1372	else if (input_style & XIMPreeditArea)
1167	rxvt_IMSetStatusPosition(aR);	1373	{
1168	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	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
1169	return True;	1448	return true;
1170	}	1449	}
1171		1450
1172	/* EXTPROTO */
1173	void	1451	void
1174	rxvt_IMSetStatusPosition(pR)	1452	rxvt_term::im_cb ()
1175	{	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;
		1487	break;
		1488	}
		1489	}
		1490	}
		1491
		1492	rxvt_freecommastring (s);
		1493
		1494	if (found)
		1495	goto done;
		1496	}
		1497
		1498	/* try with XMODIFIERS env. var. */
		1499	if (IM_get_IC (""))
		1500	goto done;
		1501
		1502	/* try with no modifiers base IF the user didn't specify an IM */
		1503	if (IM_get_IC ("@im=none"))
		1504	goto done;
		1505
		1506	done:
		1507	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1508	if (rs[Rs_imLocale])
		1509	SET_LOCALE (locale);
		1510	#endif
		1511	}
		1512
		1513	void
		1514	rxvt_term::IMSetPosition ()
		1515	{
1176	XRectangle preedit_rect, status_rect, *needed_rect;	1516	XRectangle preedit_rect, status_rect, *needed_rect;
1177	XVaNestedList preedit_attr, status_attr;	1517	XVaNestedList preedit_attr, status_attr;
1178		1518
1179	if (R->h->Input_Context == NULL	1519	if (!Input_Context
1180	|| !R->TermWin.focus	1520	|| !focus
1181	|| !(R->h->input_style & XIMPreeditArea)	1521	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1182	|| !rxvt_IMisRunning(aR))	1522	|| !IMisRunning ())
1183	return;	1523	return;
1184		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	{
1185	/* Getting the necessary width of preedit area */	1535	/* Getting the necessary width of preedit area */
1186	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1536	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1187	XGetICValues(R->h->Input_Context, XNStatusAttributes, status_attr, NULL);	1537	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1188	XFree(status_attr);	1538	XFree (status_attr);
1189		1539
1190	rxvt_setPreeditArea(aR_ &preedit_rect, &status_rect, needed_rect);	1540	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1541	XFree (needed_rect);
1191		1542
1192	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1543	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1193	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1544	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1194		1545
1195	XSetICValues(R->h->Input_Context,	1546	XSetICValues (Input_Context,
1196	XNPreeditAttributes, preedit_attr,	1547	XNPreeditAttributes, preedit_attr,
1197	XNStatusAttributes, status_attr, NULL);	1548	XNStatusAttributes, status_attr,
		1549	NULL);
1198		1550
		1551	XFree (status_attr);
		1552	}
		1553
1199	XFree(preedit_attr);	1554	XFree (preedit_attr);
1200	XFree(status_attr);
1201	}	1555	}
1202	#endif /* USE_XIM */	1556	#endif /* USE_XIM */
1203		1557
1204	/*----------------------------------------------------------------------*/	1558	void
1205	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 */
1206		1624
1207	/*----------------------- end-of-file (C source) -----------------------*/	1625	/*----------------------- end-of-file (C source) -----------------------*/

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