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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.3 by pcg, Tue Nov 25 11:52:42 2003 UTC vs.
Revision 1.302 by root, Fri Jan 25 16:04:57 2008 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.3 2003/11/25 11:52:42 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2008 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
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>
		44
		45	#ifdef HAVE_XSETLOCALE
		46	# define X_LOCALE
		47	# include <X11/Xlocale.h>
		48	#else
		49	# ifdef HAVE_SETLOCALE
		50	# include <clocale>
45	#endif	51	# endif
		52	#endif
46		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
47	rxvt_term::rxvt_term()	154	rxvt_term::rxvt_term ()
48	: pty_ev(this, &rxvt_term::pty_cb),
49	x_ev (this, &rxvt_term::x_cb)
50	{	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	#ifdef HAVE_SCROLLBARS
		178	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		179	#endif
		180	#ifdef USE_XIM
		181	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
		182	#endif
		183	#ifdef POINTER_BLANK
		184	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
		185	#endif
		186	#ifndef NO_BELL
		187	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		188	#endif
		189	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		190	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		191	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		192	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		193	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		194	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		195	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		196
51	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	197	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
52	}
53		198
		199	termlist.push_back (this);
		200
		201	#ifdef KEYSYM_RESOURCE
		202	keyboard = new keyboard_manager;
		203	#endif
		204	}
		205
		206	// clean up the most important stuff, do *not* call x or free mem etc.
		207	// for use before an emergency exit
54	void *	208	void
55	rxvt_term::operator new (size_t s)	209	rxvt_term::emergency_cleanup ()
56	{	210	{
57	void *p = malloc (s);	211	if (cmd_pid)
		212	kill (-cmd_pid, SIGHUP);
58		213
59	MEMSET (p, 0, s);	214	pty_ev.stop ();
		215	delete pty; pty = 0;
		216	}
		217
		218	rxvt_term::~rxvt_term ()
		219	{
		220	termlist.erase (find (termlist.begin (), termlist.end(), this));
		221
		222	emergency_cleanup ();
		223
		224	#if ENABLE_STYLES
		225	for (int i = RS_styleCount; --i; )
		226	if (fontset[i] != fontset[0])
		227	delete fontset[i];
		228	#endif
		229	delete fontset[0];
		230
		231	#ifdef HAVE_BG_PIXMAP
		232	bgPixmap.destroy ();
		233	#endif
		234
		235	if (display)
		236	{
		237	selection_clear ();
		238
		239	#ifdef USE_XIM
		240	im_destroy ();
		241	#endif
		242	#ifdef XTERM_SCROLLBAR
		243	if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
		244	if (ShadowGC) XFreeGC (dpy, ShadowGC);
		245	#endif
		246	#ifdef PLAIN_SCROLLBAR
		247	if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
		248	#endif
		249	#ifdef NEXT_SCROLLBAR
		250	if (blackGC) XFreeGC (dpy, blackGC);
		251	if (whiteGC) XFreeGC (dpy, whiteGC);
		252	if (grayGC) XFreeGC (dpy, grayGC);
		253	if (darkGC) XFreeGC (dpy, darkGC);
		254	if (stippleGC) XFreeGC (dpy, stippleGC);
		255	if (dimple) XFreePixmap (dpy, dimple);
		256	if (upArrow) XFreePixmap (dpy, upArrow);
		257	if (downArrow) XFreePixmap (dpy, downArrow);
		258	if (upArrowHi) XFreePixmap (dpy, upArrowHi);
		259	if (downArrowHi) XFreePixmap (dpy, downArrowHi);
		260	#endif
		261	#ifdef RXVT_SCROLLBAR
		262	if (topShadowGC) XFreeGC (dpy, topShadowGC);
		263	if (botShadowGC) XFreeGC (dpy, botShadowGC);
		264	if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
		265	#endif
		266	if (gc) XFreeGC (dpy, gc);
		267
		268	delete drawable;
		269	// destroy all windows
		270	if (parent[0])
		271	XDestroyWindow (dpy, parent[0]);
		272
		273	for (int i = 0; i < TOTAL_COLORS; i++)
		274	if (ISSET_PIXCOLOR (i))
		275	{
		276	pix_colors_focused [i].free (this);
		277	#if OFF_FOCUS_FADING
		278	pix_colors_unfocused [i].free (this);
		279	#endif
		280	}
		281
		282	clear ();
		283
		284	display->flush (); /* ideally .put should do this */
		285	displays.put (display);
		286	}
		287
		288	scr_release ();
		289
		290	/* clear all resources */
		291	for (int i = 0; i < allocated.size (); i++)
		292	free (allocated [i]);
		293
		294	free (selection.text);
		295	// TODO: manage env vars in child only(!)
		296	free (env_display);
		297	free (env_term);
		298	free (locale);
		299	free (v_buffer);
		300	free (incr_buf);
		301
		302	delete envv;
		303	delete argv;
		304
		305	#ifdef KEYSYM_RESOURCE
		306	delete keyboard;
		307	#endif
		308	#ifndef NO_RESOURCES
		309	XrmDestroyDatabase (option_db);
		310	#endif
		311	}
		312
		313	// child has exited, usually destroys
		314	void
		315	rxvt_term::child_cb (ev::child &w, int status)
		316	{
		317	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		318
		319	cmd_pid = 0;
		320
		321	if (!option (Opt_hold))
		322	destroy ();
		323	}
		324
		325	void
		326	rxvt_term::destroy ()
		327	{
		328	if (destroy_ev.is_active ())
60	return p;	329	return;
61	}
62		330
63	void	331	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
64	rxvt_term::operator delete (void *p, size_t s)
65	{
66	free (p);
67	}
68		332
69	/*----------------------------------------------------------------------*/	333	#if ENABLE_OVERLAY
70	/* rxvt_init() */	334	scr_overlay_off ();
71	/* LIBPROTO */	335	#endif
72	rxvt_t
73	rxvt_init(int argc, const char *const *argv)
74	{
75	const char **cmd_argv;
76		336
77	SET_R(new rxvt_term);	337	if (display)
78	dR;
79
80	if (rxvt_init_vars(aR) < 0)
81	{
82	free(R);
83	return NULL;
84	}	338	{
85		339	#if USE_XIM
86	/*	340	im_ev.stop (display);
87	* Save and then give up any super-user privileges
88	* If we need privileges in any area then we must specifically request it.
89	* We should only need to be root in these cases:
90	* 1. write utmp entries on some systems
91	* 2. chown tty on some systems
92	*/
93	rxvt_privileges(aR_ SAVE);
94	rxvt_privileges(aR_ IGNORE);
95
96	rxvt_init_secondary(aR);
97
98	cmd_argv = rxvt_init_resources(aR_ argc, argv);
99
100	R->x_ev.start (ConnectionNumber (R->Xdisplay), EVENT_READ);
101
102	#if (MENUBAR_MAX)
103	rxvt_menubar_read(aR_ R->rs[Rs_menu]);
104	#endif	341	#endif
105	#ifdef HAVE_SCROLLBARS	342	#if HAVE_SCROLLBARS
106	if (R->Options & Opt_scrollBar)	343	scrollbar_ev.stop (display);
107	scrollbar_setIdle(); /* set existence for size calculations */
108	#endif	344	#endif
109		345	#if ENABLE_TRANSPARENCY || ENABLE_PERL
110	rxvt_Create_Windows(aR_ argc, argv);	346	rootwin_ev.stop (display);
111
112	rxvt_init_xlocale(aR);
113
114	rxvt_scr_reset(aR); /* initialize screen */
115	#ifdef RXVT_GRAPHICS
116	rxvt_Gr_reset(aR); /* reset graphics */
117	#endif	347	#endif
118		348	incr_ev.stop ();
119	#if 0	349	termwin_ev.stop (display);
120	#ifdef DEBUG_X	350	vt_ev.stop (display);
121	XSynchronize(R->Xdisplay, True);
122	XSetErrorHandler((XErrorHandler) abort);
123	#else
124	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
125	#endif
126	#endif
127
128	#ifdef HAVE_SCROLLBARS
129	if (R->Options & Opt_scrollBar)
130	rxvt_Resize_scrollBar(aR); /* create and map scrollbar */
131	#endif
132	#if (MENUBAR_MAX)
133	if (menubar_visible(r))
134	XMapWindow(R->Xdisplay, R->menuBar.win);
135	#endif
136	#ifdef TRANSPARENT
137	if (R->Options & Opt_transparent)
138	{
139	XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);
140	rxvt_check_our_parents(aR);
141	}	351	}
142	#endif
143	XMapWindow(R->Xdisplay, R->TermWin.vt);
144	XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
145		352
146	rxvt_init_env(aR);	353	flush_ev.stop ();
147	rxvt_init_command(aR_ cmd_argv);	354	pty_ev.stop ();
148		355	#ifdef CURSOR_BLINK
149	R->pty_ev.start (R->cmd_fd, EVENT_READ);	356	cursor_blink_ev.stop ();
150
151	return R;
152	}
153
154	/* ------------------------------------------------------------------------- *
155	* SIGNAL HANDLING & EXIT HANDLER *
156	* ------------------------------------------------------------------------- */
157	/*
158	* Catch a SIGCHLD signal and exit if the direct child has died
159	*/
160	/* ARGSUSED */
161	/* EXTPROTO */
162	RETSIGTYPE
163	rxvt_Child_signal(int sig __attribute__ ((unused)))
164	{
165	dR;
166	int pid, save_errno = errno;
167
168	do {
169	errno = 0;
170	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
171
172	if (pid == R->cmd_pid)
173	exit(EXIT_SUCCESS);
174
175	errno = save_errno;
176	signal(SIGCHLD, rxvt_Child_signal);
177	}
178
179	/*
180	* Catch a fatal signal and tidy up before quitting
181	*/
182	/* EXTPROTO */
183	RETSIGTYPE
184	rxvt_Exit_signal(int sig)
185	{
186	signal(sig, SIG_DFL);
187	#ifdef DEBUG_CMD
188	rxvt_print_error("signal %d", sig);
189	#endif	357	#endif
190	rxvt_clean_exit();	358	#ifdef TEXT_BLINK
191	kill(getpid(), sig);	359	text_blink_ev.stop ();
192	}	360	#endif
		361	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		362	cont_scroll_ev.stop ();
		363	#endif
		364	#ifdef SELECTION_SCROLLING
		365	sel_scroll_ev.stop ();
		366	#endif
		367	#ifdef POINTER_BLANK
		368	pointer_ev.stop ();
		369	#endif
193		370
194	/* ARGSUSED */	371	destroy_ev.start ();
195	/* INTPROTO */	372	}
196	int
197	rxvt_xerror_handler(const Display * display
198	__attribute__ ((unused)), const XErrorEvent * event)
199	{
200	dR;
201		373
202	if (R->allowedxerror == -1) {	374	void
203	R->allowedxerror = event->error_code;	375	rxvt_term::destroy_cb (ev::idle &w, int revents)
204	return 0; /* ignored anyway */	376	{
205	}	377	make_current ();
206	rxvt_print_error("XError: Request: %d . %d, Error: %d",	378
207	event->request_code, event->minor_code,	379	delete this;
208	event->error_code);
209	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
210	exit(EXIT_FAILURE);
211	/* NOTREACHED */
212	}	380	}
213		381
214	/*----------------------------------------------------------------------*/	382	/*----------------------------------------------------------------------*/
215	/*	383	/*
216	* Exit gracefully, clearing the utmp entry and restoring tty attributes	384	* Exit gracefully, clearing the utmp entry and restoring tty attributes
217	* TODO: if debugging, this should free up any known resources if we can	385	* TODO: if debugging, this should free up any known resources if we can
218	*/	386	*/
219	/* EXTPROTO */	387	static XErrorHandler old_xerror_handler;
220	void
221	rxvt_clean_exit(void)
222	{
223	dR;
224		388
225	#ifdef DEBUG_SCREEN	389	static void
226	rxvt_scr_release(aR);	390	rxvt_emergency_cleanup ()
227	#endif
228	#ifndef NO_SETOWNER_TTYDEV
229	rxvt_privileged_ttydev(aR_ RESTORE);
230	#endif
231	#ifdef UTMP_SUPPORT
232	rxvt_privileged_utmp(aR_ RESTORE);
233	#endif
234	#ifdef USE_XIM
235	if (R->Input_Context != NULL) {
236	XDestroyIC(R->Input_Context);
237	R->Input_Context = NULL;
238	}
239	#endif
240	}
241
242	/* ------------------------------------------------------------------------- *
243	* MEMORY ALLOCATION WRAPPERS *
244	* ------------------------------------------------------------------------- */
245	/* EXTPROTO */
246	void *
247	rxvt_malloc(size_t size)
248	{	391	{
249	void *p;	392	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
250		393	(*t)->emergency_cleanup ();
251	p = malloc(size);
252	if (p)
253	return p;
254
255	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
256	rxvt_clean_exit();
257	exit(EXIT_FAILURE);
258	/* NOTREACHED */
259	}	394	}
260		395
261	/* EXTPROTO */	396	#if !ENABLE_MINIMAL
262	void *	397	static void
263	rxvt_calloc(size_t number, size_t size)	398	print_x_error (Display *dpy, XErrorEvent *event)
264	{	399	{
265	void *p;	400	char buffer[BUFSIZ];
266		401	char mesg[BUFSIZ];
267	p = calloc(number, size);	402	char number[32];
268	if (p)	403	char *mtype = "XlibMessage";
269	return p;	404	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
270		405	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
271	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	406	rxvt_warn ("An X Error occured, trying to continue after report.\n");
272	rxvt_clean_exit();	407	rxvt_warn ("%s: %s\n", mesg, buffer);
273	exit(EXIT_FAILURE);	408	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
274	/* NOTREACHED */	409	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		410	sprintf(number, "%d", event->request_code);
		411	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		412	rxvt_warn ("(which is %s)\n", buffer);
		413	if (event->request_code >= 128) {
		414	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		415	mesg, BUFSIZ);
		416	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		417	}
		418	if ((event->error_code == BadWindow) ||
		419	(event->error_code == BadPixmap) ||
		420	(event->error_code == BadCursor) ||
		421	(event->error_code == BadFont) ||
		422	(event->error_code == BadDrawable) ||
		423	(event->error_code == BadColor) ||
		424	(event->error_code == BadGC) ||
		425	(event->error_code == BadIDChoice) ||
		426	(event->error_code == BadValue) ||
		427	(event->error_code == BadAtom)) {
		428	if (event->error_code == BadValue)
		429	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		430	mesg, BUFSIZ);
		431	else if (event->error_code == BadAtom)
		432	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		433	mesg, BUFSIZ);
		434	else
		435	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		436	mesg, BUFSIZ);
		437	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		438	}
		439	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		440	mesg, BUFSIZ);
		441	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
275	}	442	}
276
277	/* EXTPROTO */
278	void *
279	rxvt_realloc(void *ptr, size_t size)
280	{
281	void *p;
282
283	if (ptr)
284	p = realloc(ptr, size);
285	else
286	p = malloc(size);
287	if (p)
288	return p;
289
290	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
291	rxvt_clean_exit();
292	exit(EXIT_FAILURE);
293	/* NOTREACHED */
294	}
295
296	/* ------------------------------------------------------------------------- *
297	* PRIVILEGED OPERATIONS *
298	* ------------------------------------------------------------------------- */
299	/* take care of suid/sgid super-user (root) privileges */
300	/* INTPROTO */
301	void
302	rxvt_privileges(pR_ int mode)
303	{
304	#if ! defined(__CYGWIN32__)
305	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
306	/* setreuid() is the poor man's setuid(), seteuid() */
307	# define seteuid(a) setreuid(-1, (a))
308	# define setegid(a) setregid(-1, (a))
309	# define HAVE_SETEUID
310	# endif	443	#endif
311	# ifdef HAVE_SETEUID	444
312	switch (mode) {	445	int
313	case IGNORE:	446	rxvt_xerror_handler (Display *display, XErrorEvent *event)
314	/*	447	{
315	* change effective uid/gid - not real uid/gid - so we can switch	448	if (GET_R->allowedxerror == -1)
316	* back to root later, as required	449	GET_R->allowedxerror = event->error_code;
317	*/	450	else
318	seteuid(getuid());
319	setegid(getgid());
320	break;
321	case SAVE:
322	R->euid = geteuid();
323	R->egid = getegid();
324	break;
325	case RESTORE:
326	seteuid(R->euid);
327	setegid(R->egid);
328	break;
329	}	451	{
		452	// GET_R is most likely not the terminal which caused the error,
		453	// so just output the error and continue
		454	#if ENABLE_MINIMAL
		455	old_xerror_handler (display, event);
330	# else	456	#else
331	switch (mode) {	457	print_x_error (display, event);
332	case IGNORE:
333	setuid(getuid());
334	setgid(getgid());
335	/* FALLTHROUGH */
336	case SAVE:
337	/* FALLTHROUGH */
338	case RESTORE:
339	break;
340	}
341	# endif	458	#endif
342	#endif	459	}
343	}
344		460
345	#ifdef UTMP_SUPPORT	461	return 0;
346	/* EXTPROTO */	462	}
347	void
348	rxvt_privileged_utmp(pR_ char action)
349	{
350	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
351	action, R->next_utmp_action, getpid()));
352	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
353	|| (R->Options & Opt_utmpInhibit)
354	|| R->ttydev == NULL || *R->ttydev == '\0')
355	return;
356		463
357	rxvt_privileges(aR_ RESTORE);	464	int
358	if (action == SAVE) {	465	rxvt_xioerror_handler (Display *display)
359	R->next_utmp_action = RESTORE;	466	{
360	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	467	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
361	} else { /* action == RESTORE */	468	DisplayString (display));
362	R->next_utmp_action = IGNORE;	469	rxvt_emergency_cleanup ();
363	rxvt_cleanutent(aR);	470	_exit (EXIT_FAILURE);
		471	}
		472
		473	static struct sig_handlers
		474	{
		475	ev::sig sw_term, sw_int;
		476
		477	/*
		478	* Catch a fatal signal and tidy up before quitting
		479	*/
		480	void sig_term (ev::sig &w, int revents);
		481
		482	sig_handlers ()
		483	{
		484	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		485	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
364	}	486	}
365	rxvt_privileges(aR_ IGNORE);	487	} sig_handlers;
366	}
367	#endif
368		488
369	#ifndef NO_SETOWNER_TTYDEV
370	/* EXTPROTO */
371	void	489	void
372	rxvt_privileged_ttydev(pR_ char action)	490	sig_handlers::sig_term (ev::sig &w, int revents)
373	{	491	{
374	D_MAIN((stderr,	492	rxvt_emergency_cleanup ();
375	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",	493	w.stop ();
376	action, R->next_tty_action, getpid()));	494	kill (getpid (), w.signum);
377	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
378	|| R->ttydev == NULL || *R->ttydev == '\0')
379	return;
380
381	rxvt_privileges(aR_ RESTORE);
382
383	if (action == SAVE) {
384	R->next_tty_action = RESTORE;
385	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
386	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
387	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
388	R->next_tty_action = IGNORE;
389	else
390	# endif
391	{
392	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
393	chmod(R->ttydev, R->ttymode);
394	# ifdef HAVE_REVOKE
395	revoke(R->ttydev);
396	# endif
397	}
398	} else { /* action == RESTORE */
399	R->next_tty_action = IGNORE;
400	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
401	chmod(R->ttydev, R->ttyfd_stat.st_mode);
402	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
403	# else
404	chmod(R->ttydev,
405	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
406	chown(R->ttydev, 0, 0);
407	# endif
408	}
409
410	rxvt_privileges(aR_ IGNORE);
411
412	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
413	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
414	action == RESTORE ? "Restoring" : (action ==
415	SAVE ? "Saving" :
416	"UNKNOWN ERROR for"), R->ttydev,
417	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
418	R->ttyfd_stat.st_gid));
419	# endif
420	}	495	}
421	#endif	496
		497	char **rxvt_environ; // startup environment
		498
		499	void
		500	rxvt_init ()
		501	{
		502	ptytty::init ();
		503
		504	if (!ev_default_loop (0))
		505	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		506
		507	rxvt_environ = environ;
		508
		509	signal (SIGHUP, SIG_IGN);
		510	signal (SIGPIPE, SIG_IGN);
		511
		512	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		513	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		514
		515	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		516	/* signal (SIGURG, SIG_DFL); */
		517
		518	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		519	// TODO: handle this with exceptions and tolerate the memory loss
		520	XSetIOErrorHandler (rxvt_xioerror_handler);
		521
		522	XrmInitialize ();
		523	}
422		524
423	/*----------------------------------------------------------------------*/	525	/*----------------------------------------------------------------------*/
424	/*	526	/*
425	* window size/position calculcations for XSizeHint and other storage.	527	* window size/position calculations for XSizeHint and other storage.
426	* if width/height are non-zero then override calculated width/height	528	* if width/height are non-zero then override calculated width/height
427	*/	529	*/
428	/* EXTPROTO */
429	void	530	void
430	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	531	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
431	{	532	{
432	short recalc_x, recalc_y;	533	short recalc_x, recalc_y;
433	int x, y, sb_w, mb_h, flags;	534	int x, y, sb_w, flags;
434	unsigned int w, h;	535	unsigned int w, h;
435	unsigned int max_width, max_height;	536	unsigned int max_width, max_height;
436		537
437	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
438	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
439	R->szHint.height));
440	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	538	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
441	R->szHint.win_gravity = NorthWestGravity;	539	szHint.win_gravity = NorthWestGravity;
442	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	540	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
443		541
444	recalc_x = recalc_y = 0;	542	recalc_x = recalc_y = 0;
445	flags = 0;	543	flags = 0;
		544
446	if (!R->parsed_geometry) {	545	if (!parsed_geometry)
		546	{
447	R->parsed_geometry = 1;	547	parsed_geometry = 1;
		548
448	if (R->rs[Rs_geometry])	549	if (rs[Rs_geometry])
449	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	550	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		551
450	if (flags & WidthValue) {	552	if (flags & WidthValue)
451	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	553	{
		554	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
452	R->szHint.flags |= USSize;	555	szHint.flags |= USSize;
453	}	556	}
		557
454	if (flags & HeightValue) {	558	if (flags & HeightValue)
455	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	559	{
		560	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
456	R->szHint.flags |= USSize;	561	szHint.flags |= USSize;
457	}	562	}
		563
458	if (flags & XValue) {	564	if (flags & XValue)
		565	{
459	R->szHint.x = x;	566	szHint.x = x;
460	R->szHint.flags |= USPosition;	567	szHint.flags |= USPosition;
		568
461	if (flags & XNegative) {	569	if (flags & XNegative)
		570	{
462	recalc_x = 1;	571	recalc_x = 1;
463	R->szHint.win_gravity = NorthEastGravity;	572	szHint.win_gravity = NorthEastGravity;
464	}	573	}
465	}	574	}
		575
466	if (flags & YValue) {	576	if (flags & YValue)
		577	{
467	R->szHint.y = y;	578	szHint.y = y;
468	R->szHint.flags |= USPosition;	579	szHint.flags |= USPosition;
		580
469	if (flags & YNegative) {	581	if (flags & YNegative)
		582	{
470	recalc_y = 1;	583	recalc_y = 1;
		584
471	if (R->szHint.win_gravity == NorthEastGravity)	585	if (szHint.win_gravity == NorthEastGravity)
472	R->szHint.win_gravity = SouthEastGravity;	586	szHint.win_gravity = SouthEastGravity;
473	else	587	else
474	R->szHint.win_gravity = SouthWestGravity;	588	szHint.win_gravity = SouthWestGravity;
475	}	589	}
476	}	590	}
477	}	591	}
		592
478	/* TODO: BOUNDS */	593	/* TODO: BOUNDS */
479	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	594	width = ncol * fwidth;
480	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	595	height = nrow * fheight;
481	max_width = MAX_COLS * R->TermWin.fwidth;	596	max_width = MAX_COLS * fwidth;
482	max_height = MAX_ROWS * R->TermWin.fheight;	597	max_height = MAX_ROWS * fheight;
483		598
484	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	599	szHint.base_width = szHint.base_height = 2 * int_bwidth;
485		600
486	sb_w = mb_h = 0;	601	sb_w = 0;
487	R->window_vt_x = R->window_vt_y = 0;	602	window_vt_x = window_vt_y = int_bwidth;
488	if (scrollbar_visible(R)) {	603
		604	if (scrollBar.state)
		605	{
489	sb_w = scrollbar_TotalWidth();	606	sb_w = scrollbar_TotalWidth ();
490	R->szHint.base_width += sb_w;	607	szHint.base_width += sb_w;
		608
491	if (!(R->Options & Opt_scrollBar_right))	609	if (!option (Opt_scrollBar_right))
492	R->window_vt_x = sb_w;	610	window_vt_x += sb_w;
493	}	611	}
494	if (menubar_visible(R)) {	612
495	mb_h = menuBar_TotalHeight();
496	R->szHint.base_height += mb_h;
497	R->window_vt_y = mb_h;
498	}
499	R->szHint.width_inc = R->TermWin.fwidth;	613	szHint.width_inc = fwidth;
500	R->szHint.height_inc = R->TermWin.fheight;	614	szHint.height_inc = fheight;
501	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	615	szHint.min_width = szHint.base_width + szHint.width_inc;
502	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	616	szHint.min_height = szHint.base_height + szHint.height_inc;
503		617
504	if (width && width - R->szHint.base_width < max_width) {	618	if (newwidth && newwidth - szHint.base_width < max_width)
		619	{
505	R->szHint.width = width;	620	szHint.width = newwidth;
506	R->TermWin.width = width - R->szHint.base_width;	621	width = newwidth - szHint.base_width;
507	} else {	622	}
508	MIN_IT(R->TermWin.width, max_width);	623	else
		624	{
		625	min_it (width, max_width);
509	R->szHint.width = R->szHint.base_width + R->TermWin.width;	626	szHint.width = szHint.base_width + width;
510	}	627	}
		628
511	if (height && height - R->szHint.base_height < max_height) {	629	if (newheight && newheight - szHint.base_height < max_height)
		630	{
512	R->szHint.height = height;	631	szHint.height = newheight;
513	R->TermWin.height = height - R->szHint.base_height;	632	height = newheight - szHint.base_height;
514	} else {	633	}
515	MIN_IT(R->TermWin.height, max_height);	634	else
		635	{
		636	min_it (height, max_height);
516	R->szHint.height = R->szHint.base_height + R->TermWin.height;	637	szHint.height = szHint.base_height + height;
517	}	638	}
		639
518	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	640	if (scrollBar.state && option (Opt_scrollBar_right))
519	R->window_sb_x = R->szHint.width - sb_w;	641	window_sb_x = szHint.width - sb_w;
520		642
521	if (recalc_x)	643	if (recalc_x)
522	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	644	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
523	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	645
524	if (recalc_y)	646	if (recalc_y)
525	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	647	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
526	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
527		648
528	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	649	ncol = width / fwidth;
529	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	650	nrow = height / fheight;
530	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
531	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
532	R->szHint.height));
533	return;
534	}	651	}
535		652
536	/*----------------------------------------------------------------------*/	653	/*----------------------------------------------------------------------*/
537	/*	654	/*
538	* Tell the teletype handler what size the window is.	655	* Tell the teletype handler what size the window is.
539	* Called after a window size change.	656	* Called after a window size change.
540	*/	657	*/
541	/* EXTPROTO */
542	void	658	void
543	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	659	rxvt_term::tt_winch ()
544	{	660	{
		661	if (pty->pty < 0)
		662	return;
		663
545	struct winsize ws;	664	struct winsize ws;
546		665
547	if (fd < 0)
548	return;
549	ws.ws_col = col;	666	ws.ws_col = ncol;
550	ws.ws_row = row;	667	ws.ws_row = nrow;
551	ws.ws_xpixel = ws.ws_ypixel = 0;	668	ws.ws_xpixel = width;
552	#ifndef DEBUG_SIZE	669	ws.ws_ypixel = height;
553	(void)ioctl(fd, TIOCSWINSZ, &ws);	670	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
554	#else	671
555	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	672	#if 0
556	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	673	// TIOCSWINSZ is supposed to do this automatically and correctly
557	}
558	# ifdef SIGWINCH
559	else if (pid) /* force through to the command */	674	if (cmd_pid) /* force through to the command */
560	kill(pid, SIGWINCH);	675	kill (-cmd_pid, SIGWINCH);
561	# endif
562	#endif	676	#endif
563	}	677	}
564		678
565	/*----------------------------------------------------------------------*/	679	/*----------------------------------------------------------------------*/
566	/* rxvt_change_font() - Switch to a new font */	680	/* set_fonts () - load and set the various fonts
567	/*	681	*
568	* init = 1 - initialize	682	* init = 1 - initialize
569	*	683	*
570	* fontname == FONT_UP - switch to bigger font	684	* fontname == FONT_UP - switch to bigger font
571	* fontname == FONT_DN - switch to smaller font	685	* fontname == FONT_DN - switch to smaller font
572	*/	686	*/
573	/* EXTPROTO */	687	bool
574	void	688	rxvt_term::set_fonts ()
575	rxvt_change_font(pR_ int init, const char *fontname)
576	{	689	{
577	}	690	rxvt_fontset *fs = new rxvt_fontset (this);
		691	rxvt_fontprop prop;
578		692
579	/* INTPROTO */	693	if (!fs
		694	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		695	|| !fs->realize_font (1))
		696	{
		697	delete fs;
		698	return false;
		699	}
		700
		701	#if ENABLE_STYLES
		702	for (int i = RS_styleCount; --i; )
		703	if (fontset[i] != fontset[0])
		704	delete fontset[i];
		705	#endif
		706
		707	delete fontset[0];
		708	fontset[0] = fs;
		709
		710	prop = (*fs)[1]->properties ();
		711	prop.height += lineSpace;
		712
		713	fs->set_prop (prop, false);
		714
		715	fwidth = prop.width;
		716	fheight = prop.height;
		717	fbase = prop.ascent;
		718
		719	for (int style = 1; style < 4; style++)
		720	{
		721	#if ENABLE_STYLES
		722	const char *res = rs[Rs_font + style];
		723
		724	if (res && !*res)
		725	fontset[style] = fontset[0];
		726	else
		727	{
		728	fontset[style] = fs = new rxvt_fontset (this);
		729	rxvt_fontprop prop2 = prop;
		730
		731	if (res)
		732	{
		733	fs->populate (res);
		734	fs->set_prop (prop2, false);
		735	}
		736	else
		737	{
		738	fs->populate (fontset[0]->fontdesc);
		739
		740	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		741	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		742
		743	fs->set_prop (prop2, true);
		744	}
		745
		746	}
		747	#else
		748	fontset[style] = fontset[0];
		749	#endif
		750	}
		751
		752	if (parent[0])
		753	{
		754	resize_all_windows (0, 0, 0);
		755	scr_remap_chars ();
		756	scr_touch (true);
		757	}
		758
		759	return true;
		760	}
		761
580	void	762	void
581	rxvt_font_up_down(pR_ int n, int direction)	763	rxvt_term::set_string_property (Atom prop, const char *str, int len)
582	{	764	{
		765	XChangeProperty (dpy, parent[0],
		766	prop, XA_STRING, 8, PropModeReplace,
		767	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		768	}
		769
		770	void
		771	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		772	{
		773	wchar_t *ws = rxvt_mbstowcs (str, len);
		774	char *s = rxvt_wcstoutf8 (ws);
		775
		776	XChangeProperty (dpy, parent[0],
		777	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		778	(const unsigned char *)s, strlen (s));
		779
		780	free (s);
		781	free (ws);
583	}	782	}
584		783
585	/*----------------------------------------------------------------------*/	784	/*----------------------------------------------------------------------*/
586	/*----------------------------------------------------------------------*/	785	/*----------------------------------------------------------------------*/
587	/* xterm sequences - title, iconName, color (exptl) */	786	/* xterm sequences - title, iconName, color (exptl) */
588	/* EXTPROTO */
589	void	787	void
590	rxvt_set_title(pR_ const char *str)	788	rxvt_term::set_title (const char *str)
591	{	789	{
592	#ifndef SMART_WINDOW_TITLE	790	set_string_property (XA_WM_NAME, str);
593	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	791	#if ENABLE_EWMH
594	#else	792	set_utf8_property (xa[XA_NET_WM_NAME], str);
595	char *name;
596
597	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
598	name = NULL;
599	if (name == NULL || STRCMP(name, str))
600	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
601	if (name)
602	XFree(name);
603	#endif	793	#endif
604	}	794	}
605		795
606	/* EXTPROTO */
607	void	796	void
608	rxvt_set_iconName(pR_ const char *str)	797	rxvt_term::set_icon_name (const char *str)
609	{	798	{
610	#ifndef SMART_WINDOW_TITLE	799	set_string_property (XA_WM_ICON_NAME, str);
611	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	800	#if ENABLE_EWMH
612	#else	801	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
613	char *name;
614
615	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
616	name = NULL;
617	if (name == NULL || STRCMP(name, str))
618	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
619	if (name)
620	XFree(name);
621	#endif	802	#endif
622	}	803	}
623		804
		805	void
		806	rxvt_term::set_window_color (int idx, const char *color)
		807	{
624	#ifdef XTERM_COLOR_CHANGE	808	#ifdef XTERM_COLOR_CHANGE
625	/* EXTPROTO */
626	void
627	rxvt_set_window_color(pR_ int idx, const char *color)
628	{
629	rxvt_color xcol;	809	rxvt_color xcol;
630	int i;	810	int i;
631		811
632	if (color == NULL || *color == '\0')	812	if (color == NULL || *color == '\0')
633	return;	813	return;
634		814
		815	color = strdup (color);
		816	allocated.push_back ((void *)color);
		817	rs[Rs_color + idx] = color;
		818
635	/* handle color aliases */	819	/* handle color aliases */
636	if (isdigit(*color)) {	820	if (isdigit (*color))
		821	{
637	i = atoi(color);	822	i = atoi (color);
638	if (i >= 8 && i <= 15) { /* bright colors */	823
639	i -= 8;	824	if (i >= 8 && i <= 15)
640	# ifndef NO_BRIGHTCOLOR	825	{
641	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	826	/* bright colors */
642	SET_PIXCOLOR(R, idx);	827	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
643	goto Done;	828	goto done;
644	# endif
645	}	829	}
646	if (i >= 0 && i <= 7) { /* normal colors */	830
647	R->PixColors[idx] = R->PixColors[minCOLOR + i];	831	if (i >= 0 && i <= 7)
648	SET_PIXCOLOR(R, idx);	832	{
		833	/* normal colors */
		834	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
649	goto Done;	835	goto done;
650	}	836	}
651	}	837	}
652	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
653	return;
654	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
655		838
656	/*	839	set_color (xcol, color);
		840
		841	/*
657	* 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,
658	* so just keep gobbling up the colormap	843	* so just keep gobbling up the colormap
659	*/	844	*/
660	# if 0
661	for (i = Color_Black; i <= Color_White; i++)
662	if (R->PixColors[idx] == R->PixColors[i])
663	break;
664	if (i > Color_White) {
665	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
666	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
667	DisplayPlanes(R->Xdisplay, Xscreen));
668	}
669	# endif
670		845
671	R->PixColors[idx] = xcol;	846	pix_colors_focused[idx] = xcol;
672	SET_PIXCOLOR(R, idx);
673		847
674	/* XSetWindowAttributes attr; */	848	done:
675	/* Cursor cursor; */
676	Done:
677	if (idx == Color_bg && !(R->Options & Opt_transparent))
678	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
679	R->PixColors[Color_bg]);
680
681	/* handle Color_BD, scrollbar background, etc. */	849	/*TODO: handle Color_BD, scrollbar background, etc. */
682		850
683	rxvt_set_colorfgbg(aR);	851	update_fade_color (idx);
684	rxvt_recolour_cursor(aR);	852	recolour_cursor ();
685	/* the only reasonable way to enforce a clean update */	853	scr_recolour ();
686	rxvt_scr_poweron(aR);	854	#endif /* XTERM_COLOR_CHANGE */
687	}	855	}
688		856
689	#else
690	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
691	#endif /* XTERM_COLOR_CHANGE */
692
693	/* EXTPROTO */
694	void	857	void
695	rxvt_recolour_cursor(pR)	858	rxvt_term::recolour_cursor ()
696	{	859	{
697	rxvt_color xcol[2];	860	XColor fg, bg;
698		861
699	#if TODO	862	(ISSET_PIXCOLOR (Color_pointer_fg)
700	xcol[0] = R->PixColors[Color_pointer];	863	? pix_colors_focused[Color_pointer_fg]
701	xcol[1] = R->PixColors[Color_bg];	864	: pix_colors_focused[Color_fg]).get (fg);
702	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	865
703	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	866	(ISSET_PIXCOLOR (Color_pointer_bg)
704	#endif	867	? pix_colors_focused[Color_pointer_bg]
		868	: pix_colors_focused[Color_bg]).get (bg);
		869
		870	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
705	}	871	}
706		872
707	/*----------------------------------------------------------------------*/	873	/*----------------------------------------------------------------------*/
708	/*	874	/*
709	* 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
710	*/	876	*/
711	/* INTPROTO */
712	void	877	void
713	rxvt_set_colorfgbg(pR)	878	rxvt_term::set_colorfgbg ()
714	{	879	{
715	unsigned int i;	880	unsigned int i;
716	const char *xpmb = "\0";	881	const char *xpmb = "";
717	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	882	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
718		883
719	R->env_colorfgbg =	884	strcpy (fstr, "default");
720	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	885	strcpy (bstr, "default");
721	STRCPY(fstr, "default");
722	STRCPY(bstr, "default");
723	for (i = Color_Black; i <= Color_White; i++)	886	for (i = Color_Black; i <= Color_White; i++)
724	if (R->PixColors[Color_fg] == R->PixColors[i]) {	887	if (pix_colors[Color_fg] == pix_colors[i])
		888	{
725	sprintf(fstr, "%d", (i - Color_Black));	889	sprintf (fstr, "%d", (i - Color_Black));
726	break;	890	break;
727	}	891	}
		892
728	for (i = Color_Black; i <= Color_White; i++)	893	for (i = Color_Black; i <= Color_White; i++)
729	if (R->PixColors[Color_bg] == R->PixColors[i]) {	894	if (pix_colors[Color_bg] == pix_colors[i])
		895	{
730	sprintf(bstr, "%d", (i - Color_Black));	896	sprintf (bstr, "%d", (i - Color_Black));
731	#ifdef XPM_BACKGROUND	897	#ifdef BG_IMAGE_FROM_FILE
732	xpmb = "default;";	898	xpmb = "default;";
733	#endif	899	#endif
734	break;	900	break;
735	}	901	}
		902
736	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	903	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
737	putenv(R->env_colorfgbg);
738
739	#ifndef NO_BRIGHTCOLOR
740	R->colorfgbg = DEFAULT_RSTYLE;
741	for (i = minCOLOR; i <= maxCOLOR; i++) {
742	if (R->PixColors[Color_fg] == R->PixColors[i])
743	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
744	if (R->PixColors[Color_bg] == R->PixColors[i])
745	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
746	}
747	#endif
748	}	904	}
749		905
750	/*----------------------------------------------------------------------*/	906	/*----------------------------------------------------------------------*/
751	/*
752	* Colour determination for low colour displays, routine from
753	* Hans de Goede <hans@highrise.nl>
754	*/
755		907
756	/* EXTPROTO */	908	bool
757	int	909	rxvt_term::set_color (rxvt_color &color, const char *name)
758	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
759	{	910	{
760	screen_in_out->set(aR_ colour);	911	if (color.set (this, name))
761
762	if (!screen_in_out->set(aR_ colour)) {
763	rxvt_print_error("can't allocate colour: %s", colour);
764	return false;
765	}
766
767	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]);
768	}	922	}
769		923
770	/* -------------------------------------------------------------------- *	924	/* -------------------------------------------------------------------- *
771	* - WINDOW RESIZING - *	925	* - WINDOW RESIZING - *
772	* -------------------------------------------------------------------- */	926	* -------------------------------------------------------------------- */
773	/* EXTPROTO */
774	void	927	void
775	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	928	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
776	int ignoreparent)
777	{	929	{
778	int fix_screen;	930	int fix_screen;
		931	int old_width = szHint.width;
		932	int old_height = szHint.height;
779		933
		934	window_calc (newwidth, newheight);
		935
		936	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
		937	XSetWMNormalHints (dpy, parent[0], &szHint);
		938
		939	if (!ignoreparent)
		940	{
780	#ifdef SMART_RESIZE	941	#ifdef SMART_RESIZE
781	int old_width = R->szHint.width, old_height = R->szHint.height;	942	/*
782	#endif
783
784	rxvt_window_calc(aR_ width, height);
785	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
786	if (!ignoreparent) {
787	#ifdef SMART_RESIZE
788	/*
789	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	943	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
790	* reposition window on resize depending on placement on screen	944	* reposition window on resize depending on placement on screen
791	*/	945	*/
792	int x, y, x1, y1;	946	int x, y, x1, y1;
793	int dx, dy;	947	int dx, dy;
794	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	948	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
795	Window unused_cr;	949	Window unused_cr;
796		950
797	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	951	XTranslateCoordinates (dpy, parent[0], display->root,
798	0, 0, &x, &y, &unused_cr);	952	0, 0, &x, &y, &unused_cr);
799	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	953	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
800	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	954	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
801	/*	955	/*
802	* if Xroot isn't the parent window, a WM will probably have offset	956	* if display->root isn't the parent window, a WM will probably have offset
803	* our position for handles and decorations. Counter it	957	* our position for handles and decorations. Counter it
804	*/	958	*/
805	if (x1 != x || y1 != y) {	959	if (x1 != x || y1 != y)
		960	{
806	x -= x1;	961	x -= x1;
807	y -= y1;	962	y -= y1;
808	}	963	}
809		964
810	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	965	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
811	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	966	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
812	dx = old_width - R->szHint.width;	967	dx = old_width - szHint.width;
813	dy = old_height - R->szHint.height;	968	dy = old_height - szHint.height;
814		969
815	/* Check position of the center of the window */	970	/* Check position of the center of the window */
816	if (x < x1) /* left half */	971	if (x < x1) /* left half */
817	dx = 0;	972	dx = 0;
818	else if (x == x1) /* exact center */	973	else if (x == x1) /* exact center */
819	dx /= 2;	974	dx /= 2;
820	if (y < y1) /* top half */	975	if (y < y1) /* top half */
821	dy = 0;	976	dy = 0;
822	else if (y == y1) /* exact center */	977	else if (y == y1) /* exact center */
823	dy /= 2;	978	dy /= 2;
824		979
825	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	980	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
826	R->szHint.width, R->szHint.height);	981	szHint.width, szHint.height);
827	#else	982	#else
828	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	983	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
829	R->szHint.height);
830	#endif	984	#endif
831	}	985	}
832		986
833	fix_screen = (R->TermWin.ncol != R->prev_ncol	987	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
834	|| R->TermWin.nrow != R->prev_nrow);	988
835	if (fix_screen || width != R->old_width || height != R->old_height) {	989	if (fix_screen || newwidth != old_width || newheight != old_height)
836	if (scrollbar_visible(R)) {	990	{
		991	if (scrollBar.state)
		992	{
837	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	993	XMoveResizeWindow (dpy, scrollBar.win,
		994	window_sb_x, 0,
838	0, scrollbar_TotalWidth(), R->szHint.height);	995	scrollbar_TotalWidth (), szHint.height);
839	rxvt_Resize_scrollBar(aR);	996	resize_scrollbar ();
840	}	997	}
841	if (menubar_visible(R))	998
842	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	999	XMoveResizeWindow (dpy, vt,
843	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1000	window_vt_x, window_vt_y,
844	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
845	R->window_vt_y, TermWin_TotalWidth(),
846	TermWin_TotalHeight());	1001	width, height);
847	#ifdef RXVT_GRAPHICS	1002
848	if (R->old_height)	1003	#ifdef HAVE_BG_PIXMAP
849	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,	1004	if (bgPixmap.window_size_sensitive ())
850	R->old_height - R->szHint.base_height);	1005	update_background ();
851	#endif	1006	#endif
		1007
852	rxvt_scr_clear(aR);	1008	scr_clear ();
853	#ifdef XPM_BACKGROUND
854	rxvt_resize_pixmap(aR);
855	#endif
856	}	1009	}
857		1010
858	if (fix_screen || R->old_height == 0) {	1011	if (fix_screen || old_height == 0)
859	int curr_screen = -1;	1012	scr_reset ();
860	uint16_t old_ncol = R->prev_ncol;
861		1013
862	/* scr_reset only works on the primary screen */	1014	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
863	if (R->old_height) /* this is not the first time through */	1015	//scr_touch (false);
864	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
865	rxvt_scr_reset(aR);
866	if (curr_screen >= 0) { /* this is not the first time through */
867	rxvt_scr_change_screen(aR_ curr_screen);
868	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
869	}
870	}
871		1016
872	R->old_width = R->szHint.width;	1017	#ifdef HAVE_BG_PIXMAP
873	R->old_height = R->szHint.height;	1018	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		1019	// if (bgPixmap.pixmap)
		1020	// scr_touch (false);
		1021	#endif
874		1022
875	#ifdef USE_XIM	1023	#ifdef USE_XIM
876	rxvt_IMSetStatusPosition(aR);	1024	IMSetPosition ();
877	#endif	1025	#endif
878	}	1026	}
879		1027
880	/*	1028	/*
881	* 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.
882	* good for toggling 80/132 columns	1030	* good for toggling 80/132 columns
883	*/	1031	*/
884	/* EXTPROTO */
885	void	1032	void
886	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1033	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
887	{	1034	{
888	XWindowAttributes wattr;	1035	XWindowAttributes wattr;
889		1036
890	if (width == 0 || height == 0) {	1037	if (newwidth == 0 || newheight == 0)
		1038	{
891	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1039	XGetWindowAttributes (dpy, display->root, &wattr);
		1040
892	if (width == 0)	1041	if (newwidth == 0)
893	width = wattr.width - R->szHint.base_width;	1042	newwidth = wattr.width - szHint.base_width;
894	if (height == 0)	1043	if (newheight == 0)
895	height = wattr.height - R->szHint.base_height;	1044	newheight = wattr.height - szHint.base_height;
		1045	}
		1046
		1047	if (newwidth != width || newheight != height)
896	}	1048	{
897	if (width != R->TermWin.width || height != R->TermWin.height) {
898	width += R->szHint.base_width;	1049	newwidth += szHint.base_width;
899	height += R->szHint.base_height;	1050	newheight += szHint.base_height;
900	rxvt_resize_all_windows(aR_ width, height, 0);	1051	resize_all_windows (newwidth, newheight, 0);
901	}	1052	}
902	}	1053	}
903		1054
904	/* -------------------------------------------------------------------- *	1055	/* -------------------------------------------------------------------- *
905	* - X INPUT METHOD ROUTINES - *	1056	* - X INPUT METHOD ROUTINES - *
906	* -------------------------------------------------------------------- */	1057	* -------------------------------------------------------------------- */
907	#ifdef USE_XIM	1058	#ifdef USE_XIM
908	/* INTPROTO */
909	void
910	rxvt_setSize(pR_ XRectangle * size)
911	{
912	size->x = R->TermWin.int_bwidth;
913	size->y = R->TermWin.int_bwidth;
914	size->width = Width2Pixel(R->TermWin.ncol);
915	size->height = Height2Pixel(R->TermWin.nrow);
916	}
917		1059
918	/* INTPROTO */
919	void	1060	void
920	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1061	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
921	{	1062	{
922	*fg = R->PixColors[Color_fg];	1063	fg = pix_colors [Color_fg];
923	*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;
924	}	1091	}
925		1092
926	/* Checking whether input method is running. */	1093	/* Checking whether input method is running. */
927	/* INTPROTO */
928	Bool	1094	bool
929	rxvt_IMisRunning(pR)	1095	rxvt_term::IMisRunning ()
930	{	1096	{
931	char *p;	1097	char *p;
932	Atom atom;	1098	Atom atom;
933	Window win;	1099	Window win;
934	char server[IMBUFSIZ];	1100	char server[IMBUFSIZ];
935		1101
936	/* get current locale modifier */	1102	/* get current locale modifier */
937	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1103	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1104	{
938	STRCPY(server, "@server=");	1105	strcpy (server, "@server=");
939	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1106	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1107
940	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1108	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
941	*p = '\0';	1109	*p = '\0';
942		1110
943	atom = XInternAtom(R->Xdisplay, server, False);	1111	atom = XInternAtom (dpy, server, False);
944	win = XGetSelectionOwner(R->Xdisplay, atom);	1112	win = XGetSelectionOwner (dpy, atom);
		1113
945	if (win != None)	1114	if (win != None)
946	return True;	1115	return True;
947	}	1116	}
		1117
948	return False;	1118	return False;
949	}	1119	}
950		1120
951	/* EXTPROTO */
952	void	1121	void
953	rxvt_IMSendSpot(pR)	1122	rxvt_term::IMSendSpot ()
954	{	1123	{
955	XPoint spot;	1124	XPoint nspot;
956	XVaNestedList preedit_attr;	1125	XVaNestedList preedit_attr;
957		1126
958	if (R->Input_Context == NULL	1127	if (!Input_Context
959	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1128	|| !focus
960	|| !(R->event_type == KeyPress	1129	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
961	|| R->event_type == Expose
962	|| R->event_type == NoExpose
963	|| R->event_type == SelectionNotify
964	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
965	|| !rxvt_IMisRunning(aR))
966	return;	1130	return;
967		1131
968	rxvt_setPosition(aR_ & spot);	1132	im_set_position (nspot);
969		1133
		1134	if (nspot.x == spot.x && nspot.y == spot.y)
		1135	return;
		1136
		1137	spot = nspot;
		1138
970	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1139	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
971	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1140	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
972	XFree(preedit_attr);	1141	XFree (preedit_attr);
973	}	1142	}
974		1143
975	/* EXTPROTO */
976	void	1144	void
977	rxvt_setTermFontSet(pR_ int idx)	1145	rxvt_term::im_destroy ()
978	{	1146	{
979	char *string;	1147	if (input_method)
980	long length;	1148	{
981	int success = 0;	1149	if (Input_Context && input_method->xim)
		1150	XDestroyIC (Input_Context);
982		1151
983	if (idx < 0 || idx >= MAX_NFONTS)	1152	display->put_xim (input_method);
984	return;	1153	input_method = 0;
985	}	1154	}
986		1155
987	/* INTPROTO */
988	void
989	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
990	XRectangle * needed_rect)
991	{
992	int mbh, vtx = 0;
993
994	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
995	vtx = scrollbar_TotalWidth();
996	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
997	mbh -= R->TermWin.lineSpace;
998
999	preedit_rect->x = needed_rect->width + vtx;
1000	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1001
1002	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1003	+ vtx;
1004	preedit_rect->height = Height2Pixel(1);
1005
1006	status_rect->x = vtx;
1007	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1008
1009	status_rect->width = needed_rect->width ? needed_rect->width
1010	: Width2Pixel(R->TermWin.ncol + 1);
1011	status_rect->height = Height2Pixel(1);
1012	}
1013
1014	/* ARGSUSED */
1015	/* INTPROTO */
1016	void
1017	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1018	__attribute__ ((unused)), XPointer call_data
1019	__attribute__ ((unused)))
1020	{
1021	dR;
1022
1023	R->Input_Context = NULL;	1156	Input_Context = 0;
1024	/* To avoid Segmentation Fault in C locale: Solaris only? */
1025	if (STRCMP(R->locale, "C"))
1026	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1027	rxvt_IMInstantiateCallback, NULL);
1028	}	1157	}
1029		1158
1030	/*	1159	#ifdef ENABLE_XIM_ONTHESPOT
1031	* X manual pages and include files don't match on some systems:
1032	* some think this is an XIDProc and others an XIMProc so we can't
1033	* use the first argument - need to update this to be nice for
1034	* both types via some sort of configure detection
1035	*/
1036	/* ARGSUSED */
1037	/* EXTPROTO */
1038	void
1039	rxvt_IMInstantiateCallback(Display * unused
1040	__attribute__ ((unused)), XPointer client_data
1041	__attribute__ ((unused)), XPointer call_data
1042	__attribute__ ((unused)))
1043	{
1044	dR;
1045	int i, found, had_im;
1046	const char *p;
1047	char **s;
1048	char buf[IMBUFSIZ];
1049		1160
1050	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1161	static void
1051	if (R->Input_Context)	1162	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1052	return;	1163	{
		1164	((rxvt_term *)client_data)->make_current ();
		1165	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1166	}
1053		1167
1054	found = had_im = 0;	1168	static void
1055	p = R->rs[Rs_inputMethod];	1169	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1056	if (p && *p) {	1170	{
1057	had_im = 1;	1171	((rxvt_term *)client_data)->make_current ();
1058	s = rxvt_splitcommastring(p);	1172	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1059	for (i = 0; s[i]; i++) {	1173	}
1060	if (*s[i]) {	1174
1061	STRCPY(buf, "@im=");	1175	static void
1062	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1176	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1063	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1177	{
1064	&& (rxvt_IM_get_IC(aR) == True)) {	1178	rxvt_term *term = (rxvt_term *)client_data;
1065	found = 1;	1179	XIMText *text = call_data->text;
1066	break;	1180
1067	}	1181	term->make_current ();
1068	}	1182
		1183	if (text)
		1184	{
		1185	void *str;
		1186
		1187	if (!text->encoding_is_wchar && text->string.multi_byte)
		1188	{
		1189	// of course, X makes it ugly again
		1190	if (term->rs[Rs_imLocale])
		1191	SET_LOCALE (term->rs[Rs_imLocale]);
		1192
		1193	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1194	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1195
		1196	if (term->rs[Rs_imLocale])
		1197	SET_LOCALE (term->locale);
1069	}	1198	}
1070	for (i = 0; s[i]; i++)	1199	else
1071	free(s[i]);	1200	str = (void *)text->string.wide_char;
1072	free(s);
1073	}
1074	if (found)
1075	return;
1076		1201
1077	/* try with XMODIFIERS env. var. */	1202	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1078	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1203	DT_INT, call_data->caret,
1079	rxvt_IM_get_IC(aR);	1204	DT_INT, call_data->chg_first,
1080	return;	1205	DT_INT, call_data->chg_length,
		1206	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1207	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1208	DT_END));
1081	}	1209	}
1082		1210	else
1083	/* try with no modifiers base IF the user didn't specify an IM */	1211	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1084	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1212	DT_INT, call_data->caret,
1085	&& rxvt_IM_get_IC(aR) == True)	1213	DT_INT, call_data->chg_first,
1086	return;	1214	DT_INT, call_data->chg_length,
		1215	DT_END));
1087	}	1216	}
		1217
		1218	#if 0
		1219	static void
		1220	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1221	{
		1222	((rxvt_term *)client_data)->make_current ();
		1223	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1224	DT_INT, call_data->position,
		1225	DT_INT, call_data->direction,
		1226	DT_INT, call_data->style,
		1227	DT_END));
		1228	}
		1229	#endif
		1230
		1231	#endif
1088		1232
1089	/*	1233	/*
1090	* Try to open a XIM with the current modifiers, then see if we can	1234	* Try to open a XIM with the current modifiers, then see if we can
1091	* open a suitable preedit type	1235	* open a suitable preedit type
1092	*/	1236	*/
1093	/* INTPROTO */
1094	Bool	1237	bool
1095	rxvt_IM_get_IC(pR)	1238	rxvt_term::IM_get_IC (const char *modifiers)
1096	{	1239	{
1097	int i, j, found;	1240	int i, j, found;
1098	XIM xim;	1241	XIM xim;
1099	XPoint spot;	1242	XPoint spot;
1100	XRectangle rect, status_rect, needed_rect;	1243	XRectangle rect, status_rect, needed_rect;
1101	unsigned long fg, bg;	1244	unsigned long fg, bg;
1102	const char *p;	1245	const char *p;
1103	char **s;	1246	char **s;
1104	XIMStyles *xim_styles;	1247	XIMStyles *xim_styles;
1105	XVaNestedList preedit_attr, status_attr;	1248	#ifdef ENABLE_XIM_ONTHESPOT
1106	XIMCallback ximcallback;	1249	XIMCallback xcb[4];
		1250	#endif
1107		1251
1108	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1252	set_environ (envv);
1109	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1253
1110	if (xim == NULL)	1254	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1111	return False;	1255	return false;
1112		1256
		1257	input_method = display->get_xim (locale, modifiers);
		1258	if (input_method == NULL)
		1259	return false;
		1260
		1261	xim = input_method->xim;
		1262	spot.x = spot.y = -1;
		1263
1113	xim_styles = NULL;	1264	xim_styles = NULL;
1114	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1265	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1115	|| !xim_styles || !xim_styles->count_styles) {	1266	|| !xim_styles || !xim_styles->count_styles)
1116	XCloseIM(xim);	1267	{
		1268	im_destroy ();
1117	return False;	1269	return false;
		1270	}
		1271
		1272	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1273
		1274	for (int pi = 0; pi < 2; pi++)
1118	}	1275	{
		1276	p = pet[pi];
1119		1277
1120	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1278	if (!p)
1121	: "OverTheSpot,OffTheSpot,Root";	1279	continue;
		1280
1122	s = rxvt_splitcommastring(p);	1281	s = rxvt_splitcommastring (p);
		1282
1123	for (i = found = 0; !found && s[i]; i++) {	1283	for (i = found = 0; !found && s[i]; i++)
		1284	{
1124	if (!STRCMP(s[i], "OverTheSpot"))	1285	if (!strcmp (s[i], "OverTheSpot"))
1125	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1286	input_style = XIMPreeditPosition | XIMStatusNothing;
1126	else if (!STRCMP(s[i], "OffTheSpot"))	1287	else if (!strcmp (s[i], "OffTheSpot"))
1127	R->input_style = (XIMPreeditArea | XIMStatusArea);	1288	input_style = XIMPreeditArea | XIMStatusArea;
1128	else if (!STRCMP(s[i], "Root"))	1289	else if (!strcmp (s[i], "Root"))
1129	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1290	input_style = XIMPreeditNothing | XIMStatusNothing;
		1291	else if (!strcmp (s[i], "None"))
		1292	input_style = XIMPreeditNone | XIMStatusNone;
		1293	#ifdef ENABLE_XIM_ONTHESPOT
		1294	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1295	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1296	#endif
		1297	else
		1298	input_style = XIMPreeditNothing | XIMStatusNothing;
1130		1299
1131	for (j = 0; j < xim_styles->count_styles; j++)	1300	for (j = 0; j < xim_styles->count_styles; j++)
1132	if (R->input_style == xim_styles->supported_styles[j]) {	1301	if (input_style == xim_styles->supported_styles[j])
		1302	{
		1303	rxvt_freecommastring (s);
		1304
1133	found = 1;	1305	found = 1;
		1306	goto foundpet;
		1307	}
		1308
		1309	}
		1310
		1311	rxvt_freecommastring (s);
		1312	}
		1313
		1314	foundpet:
		1315
		1316	XFree (xim_styles);
		1317
		1318	if (!found)
		1319	{
		1320	im_destroy ();
		1321	return false;
		1322	}
		1323
		1324	XFontSet fs = 0;
		1325	XVaNestedList preedit_attr = 0, status_attr = 0;
		1326
		1327	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1328	{
		1329	// fake us a font-set, please
		1330	char **missing_charset_list;
		1331	int missing_charset_count;
		1332	char *def_string;
		1333	char pat[512];
		1334
		1335	sprintf (pat,
		1336	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1337	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1338	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1339	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1340	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1341	"*",
		1342	fheight,
		1343	fheight + 1, fheight - 1,
		1344	fheight - 2, fheight + 2);
		1345
		1346	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1347	&missing_charset_list, &missing_charset_count, &def_string);
		1348
		1349	if (missing_charset_list)
		1350	XFreeStringList (missing_charset_list);
		1351
		1352	if (!fs)
		1353	{
		1354	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1355	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1356	}
		1357	}
		1358
		1359	if (input_style & XIMPreeditPosition)
		1360	{
		1361	im_set_size (rect);
		1362	im_set_position (spot);
		1363	im_set_color (fg, bg);
		1364
		1365	preedit_attr = XVaCreateNestedList (0,
		1366	XNForeground, fg,
		1367	XNBackground, bg,
		1368	XNArea, &rect,
		1369	XNSpotLocation, &spot,
		1370	XNFontSet, fs,
		1371	NULL);
		1372	}
		1373	else if (input_style & XIMPreeditArea)
		1374	{
		1375	im_set_color (fg, bg);
		1376
		1377	/*
		1378	* The necessary width of preedit area is unknown
		1379	* until create input context.
		1380	*/
		1381	needed_rect.width = 0;
		1382	im_set_preedit_area (rect, status_rect, needed_rect);
		1383
		1384	preedit_attr = XVaCreateNestedList (0,
		1385	XNForeground, fg,
		1386	XNBackground, bg,
		1387	XNArea, &rect,
		1388	XNFontSet, fs,
		1389	NULL);
		1390	status_attr = XVaCreateNestedList (0,
		1391	XNForeground, fg,
		1392	XNBackground, bg,
		1393	XNArea, &status_rect,
		1394	XNFontSet, fs,
		1395	NULL);
		1396	}
		1397	#if ENABLE_XIM_ONTHESPOT
		1398	else if (input_style & XIMPreeditCallbacks)
		1399	{
		1400	im_set_position (spot);
		1401
		1402	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1403	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1404	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1405	# if 0
		1406	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1407	# endif
		1408
		1409	preedit_attr = XVaCreateNestedList (0,
		1410	XNSpotLocation, &spot,
		1411	XNPreeditStartCallback, &xcb[0],
		1412	XNPreeditDoneCallback , &xcb[1],
		1413	XNPreeditDrawCallback , &xcb[2],
		1414	# if 0
		1415	XNPreeditCaretCallback, &xcb[3],
		1416	# endif
		1417	NULL);
		1418	}
		1419	#endif
		1420
		1421	Input_Context = XCreateIC (xim,
		1422	XNInputStyle, input_style,
		1423	XNClientWindow, vt,
		1424	XNFocusWindow, parent[0],
		1425	preedit_attr ? XNPreeditAttributes : NULL,
		1426	preedit_attr,
		1427	status_attr ? XNStatusAttributes : NULL,
		1428	status_attr, NULL);
		1429
		1430	if (preedit_attr) XFree (preedit_attr);
		1431	if (status_attr) XFree (status_attr);
		1432	if (fs) XFreeFontSet (dpy, fs);
		1433
		1434	if (Input_Context == NULL)
		1435	{
		1436	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1437	im_destroy ();
		1438	return false;
		1439	}
		1440
		1441	#if 0
		1442	// unfortunately, only the focus window is used by XIM, hard to fix
		1443	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1444	vt_select_input ();
		1445	#endif
		1446
		1447	IMSetPosition ();
		1448
		1449	return true;
		1450	}
		1451
		1452	void
		1453	rxvt_term::im_cb ()
		1454	{
		1455	int i;
		1456	const char *p;
		1457	char **s;
		1458	char buf[IMBUFSIZ];
		1459
		1460	make_current ();
		1461
		1462	im_destroy ();
		1463
		1464	if (Input_Context)
		1465	return;
		1466
		1467	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1468	if (rs[Rs_imLocale])
		1469	SET_LOCALE (rs[Rs_imLocale]);
		1470	#endif
		1471
		1472	p = rs[Rs_inputMethod];
		1473	if (p && *p)
		1474	{
		1475	bool found = false;
		1476
		1477	s = rxvt_splitcommastring (p);
		1478
		1479	for (i = 0; s[i]; i++)
		1480	{
		1481	if (*s[i])
		1482	{
		1483	strcpy (buf, "@im=");
		1484	strncat (buf, s[i], IMBUFSIZ - 5);
		1485	if (IM_get_IC (buf))
		1486	{
		1487	found = true;
1134	break;	1488	break;
		1489	}
1135	}	1490	}
1136	}	1491	}
1137	for (i = 0; s[i]; i++)
1138	free(s[i]);
1139	free(s);
1140	XFree(xim_styles);
1141		1492
		1493	rxvt_freecommastring (s);
		1494
1142	if (!found) {	1495	if (found)
1143	XCloseIM(xim);	1496	goto done;
1144	return False;
1145	}	1497	}
1146		1498
1147	ximcallback.callback = rxvt_IMDestroyCallback;	1499	/* try with XMODIFIERS env. var. */
		1500	if (IM_get_IC (""))
		1501	goto done;
1148		1502
1149	/* XXX: not sure why we need this (as well as IC one below) */	1503	/* try with no modifiers base IF the user didn't specify an IM */
1150	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1504	if (IM_get_IC ("@im=none"))
		1505	goto done;
1151		1506
1152	preedit_attr = status_attr = NULL;	1507	done:
1153		1508	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1154	if (R->input_style & XIMPreeditPosition) {	1509	if (rs[Rs_imLocale])
1155	rxvt_setSize(aR_ & rect);	1510	SET_LOCALE (locale);
1156	rxvt_setPosition(aR_ & spot);	1511	#endif
1157	rxvt_setColor(aR_ & fg, &bg);
1158
1159	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1160	XNSpotLocation, &spot,
1161	XNForeground, fg, XNBackground, bg,
1162	//XNFontSet, R->TermWin.fontset,
1163	NULL);
1164	} else if (R->input_style & XIMPreeditArea) {
1165	rxvt_setColor(aR_ & fg, &bg);
1166
1167	/*
1168	* The necessary width of preedit area is unknown
1169	* until create input context.
1170	*/
1171	needed_rect.width = 0;
1172
1173	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1174
1175	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1176	XNForeground, fg, XNBackground, bg,
1177	//XNFontSet, R->TermWin.fontset,
1178	NULL);
1179	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1180	XNForeground, fg, XNBackground, bg,
1181	//XNFontSet, R->TermWin.fontset,
1182	NULL);
1183	}
1184	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1185	XNClientWindow, R->TermWin.parent[0],
1186	XNFocusWindow, R->TermWin.parent[0],
1187	XNDestroyCallback, &ximcallback,
1188	preedit_attr ? XNPreeditAttributes : NULL,
1189	preedit_attr,
1190	status_attr ? XNStatusAttributes : NULL,
1191	status_attr, NULL);
1192	if (preedit_attr)
1193	XFree(preedit_attr);
1194	if (status_attr)
1195	XFree(status_attr);
1196	if (R->Input_Context == NULL) {
1197	rxvt_print_error("failed to create input context");
1198	XCloseIM(xim);
1199	return False;
1200	}
1201	if (R->input_style & XIMPreeditArea)
1202	rxvt_IMSetStatusPosition(aR);
1203	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1204	return True;
1205	}	1512	}
1206		1513
1207	/* EXTPROTO */
1208	void	1514	void
1209	rxvt_IMSetStatusPosition(pR)	1515	rxvt_term::IMSetPosition ()
1210	{	1516	{
1211	XRectangle preedit_rect, status_rect, *needed_rect;	1517	XRectangle preedit_rect, status_rect, *needed_rect;
1212	XVaNestedList preedit_attr, status_attr;	1518	XVaNestedList preedit_attr, status_attr;
1213		1519
1214	if (R->Input_Context == NULL	1520	if (!Input_Context
1215	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1521	|| !focus
		1522	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1216	|| !rxvt_IMisRunning(aR))	1523	|| !IMisRunning ())
1217	return;	1524	return;
1218		1525
		1526	if (input_style & XIMPreeditPosition)
		1527	{
		1528	im_set_size (preedit_rect);
		1529	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1530
		1531	XSetICValues (Input_Context,
		1532	XNPreeditAttributes, preedit_attr, NULL);
		1533	}
		1534	else
		1535	{
1219	/* Getting the necessary width of preedit area */	1536	/* Getting the necessary width of preedit area */
1220	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1537	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1221	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1538	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1222	XFree(status_attr);	1539	XFree (status_attr);
1223		1540
1224	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1541	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1542	XFree (needed_rect);
1225		1543
1226	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1544	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1227	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1545	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1228		1546
1229	XSetICValues(R->Input_Context,	1547	XSetICValues (Input_Context,
1230	XNPreeditAttributes, preedit_attr,	1548	XNPreeditAttributes, preedit_attr,
1231	XNStatusAttributes, status_attr, NULL);	1549	XNStatusAttributes, status_attr,
		1550	NULL);
1232		1551
		1552	XFree (status_attr);
		1553	}
		1554
1233	XFree(preedit_attr);	1555	XFree (preedit_attr);
1234	XFree(status_attr);
1235	}	1556	}
1236	#endif /* USE_XIM */	1557	#endif /* USE_XIM */
1237		1558
1238	/*----------------------------------------------------------------------*/	1559	void
1239	rxvt_t rxvt_current_term;	1560	rxvt_term::get_window_origin (int &x, int &y)
		1561	{
		1562	Window cr;
		1563	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1564	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1565	}
		1566
		1567	Pixmap
		1568	rxvt_term::get_pixmap_property (int prop_id)
		1569	{
		1570	if (prop_id > 0 && prop_id < NUM_XA)
		1571	if (xa[prop_id])
		1572	{
		1573	int aformat;
		1574	unsigned long nitems, bytes_after;
		1575	Atom atype;
		1576	unsigned char *prop = NULL;
		1577	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1578	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1579	&nitems, &bytes_after, &prop);
		1580	if (result == Success && prop && atype == XA_PIXMAP)
		1581	return *(Pixmap *)prop;
		1582	}
		1583
		1584	return None;
		1585	}
		1586
		1587	#ifdef HAVE_BG_PIXMAP
		1588	# if TRACE_PIXMAPS
		1589	# undef update_background
		1590	void
		1591	rxvt_term::trace_update_background (const char *file, int line)
		1592	{
		1593	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1594	update_background ();
		1595	}
		1596	# endif
		1597
		1598	void
		1599	rxvt_term::update_background ()
		1600	{
		1601	if (update_background_ev.is_active ())
		1602	return;
		1603
		1604	bgPixmap.invalidate ();
		1605
		1606	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1607
		1608	if (to_wait <= 0.)
		1609	bgPixmap.render ();
		1610	else
		1611	update_background_ev.start (to_wait);
		1612	}
		1613
		1614	void
		1615	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1616	{
		1617	make_current ();
		1618
		1619	update_background_ev.stop ();
		1620	bgPixmap.render ();
		1621	refresh_check ();
		1622	}
		1623
		1624	#endif /* HAVE_BG_PIXMAP */
1240		1625
1241	/*----------------------- end-of-file (C source) -----------------------*/	1626	/*----------------------- end-of-file (C source) -----------------------*/

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