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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.6 by pcg, Tue Nov 25 17:11:33 2003 UTC vs.
Revision 1.306 by ayin, Mon Feb 18 09:58:04 2008 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.6 2003/11/25 17:11:33 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
47	void *	77	void
48	rxvt_term::operator new (size_t s)	78	rxvt_push_locale (const char *locale) NOTHROW
49	{	79	{
50	void *p = malloc (s);	80	strcpy (savelocale, curlocale);
		81	rxvt_set_locale (locale);
		82	}
51		83
52	MEMSET (p, 0, s);	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
53	return p;	149	return len;
54	}
55		150
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	151	}
		152	#endif
61		153
62	rxvt_term::rxvt_term ()	154	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	155	{
		156	#if HAVE_BG_PIXMAP
		157	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		158	#endif
64	#ifdef CURSOR_BLINK	159	#ifdef CURSOR_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	160	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		161	#endif
		162	#ifdef TEXT_BLINK
		163	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		164	#endif
		165	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		166	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		167	#endif
		168	#ifdef SELECTION_SCROLLING
		169	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		170	#endif
		171	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		172	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		173	#endif
		174	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		175	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		176	#endif
		177	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		178	#ifdef USE_XIM
		179	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
66	#endif	180	#endif
67	#ifdef POINTER_BLANK	181	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	182	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
69	#endif	183	#endif
70	x_ev (this, &rxvt_term::x_cb)	184	#ifndef NO_BELL
71	{	185	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		186	#endif
		187	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		188	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		189	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		190	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		191	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		192	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194
72	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		196
		197	termlist.push_back (this);
		198
		199	#ifdef KEYSYM_RESOURCE
		200	keyboard = new keyboard_manager;
		201	#endif
		202	}
		203
		204	// clean up the most important stuff, do *not* call x or free mem etc.
		205	// for use before an emergency exit
		206	void
		207	rxvt_term::emergency_cleanup ()
		208	{
		209	if (cmd_pid)
		210	kill (-cmd_pid, SIGHUP);
		211
		212	pty_ev.stop ();
		213	delete pty; pty = 0;
73	}	214	}
74		215
75	rxvt_term::~rxvt_term ()	216	rxvt_term::~rxvt_term ()
76	{	217	{
77	delete PixColors;	218	termlist.erase (find (termlist.begin (), termlist.end(), this));
78	}
79		219
80	/*----------------------------------------------------------------------*/	220	emergency_cleanup ();
81	/* rxvt_init() */
82	/* LIBPROTO */
83	rxvt_t
84	rxvt_init(int argc, const char *const *argv)
85	{
86	SET_R(new rxvt_term);
87	dR;
88		221
89	if (!R->init_vars () || !R->init (argc, argv))	222	#if ENABLE_STYLES
90	{	223	for (int i = RS_styleCount; --i; )
91	delete R;	224	if (fontset[i] != fontset[0])
92	return NULL;	225	delete fontset[i];
		226	#endif
		227	delete fontset[0];
		228
		229	#ifdef HAVE_BG_PIXMAP
		230	bgPixmap.destroy ();
		231	#endif
		232
		233	if (display)
93	}	234	{
		235	selection_clear ();
94		236
95	return R;	237	#ifdef USE_XIM
96	}	238	im_destroy ();
97
98	bool
99	rxvt_term::init (int argc, const char *const *argv)
100	{
101	dR;//TODO (scrollbar, setidle)
102
103	/*
104	* Save and then give up any super-user privileges
105	* If we need privileges in any area then we must specifically request it.
106	* We should only need to be root in these cases:
107	* 1. write utmp entries on some systems
108	* 2. chown tty on some systems
109	*/
110	rxvt_privileges (this, SAVE);
111	rxvt_privileges (this, IGNORE);
112
113	rxvt_init_secondary (this);
114
115	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
116
117	#if (MENUBAR_MAX)
118	rxvt_menubar_read (this, rs[Rs_menu]);
119	#endif	239	#endif
		240	#ifdef XTERM_SCROLLBAR
		241	if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
		242	if (ShadowGC) XFreeGC (dpy, ShadowGC);
		243	#endif
		244	#ifdef PLAIN_SCROLLBAR
		245	if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
		246	#endif
120	#ifdef HAVE_SCROLLBARS	247	#ifdef NEXT_SCROLLBAR
121	if (Options & Opt_scrollBar)	248	if (blackGC) XFreeGC (dpy, blackGC);
122	scrollbar_setIdle (); /* set existence for size calculations */	249	if (whiteGC) XFreeGC (dpy, whiteGC);
		250	if (grayGC) XFreeGC (dpy, grayGC);
		251	if (darkGC) XFreeGC (dpy, darkGC);
		252	if (stippleGC) XFreeGC (dpy, stippleGC);
		253	if (dimple) XFreePixmap (dpy, dimple);
		254	if (upArrow) XFreePixmap (dpy, upArrow);
		255	if (downArrow) XFreePixmap (dpy, downArrow);
		256	if (upArrowHi) XFreePixmap (dpy, upArrowHi);
		257	if (downArrowHi) XFreePixmap (dpy, downArrowHi);
123	#endif	258	#endif
124
125	rxvt_Create_Windows (this, argc, argv);
126
127	rxvt_init_xlocale (this);
128
129	rxvt_scr_reset (this); /* initialize screen */
130	#ifdef RXVT_GRAPHICS
131	rxvt_Gr_reset (this); /* reset graphics */
132	#endif
133
134	#if 0
135	#ifdef DEBUG_X
136	XSynchronize(Xdisplay, True);
137	XSetErrorHandler((XErrorHandler) abort);
138	#else
139	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
140	#endif
141	#endif
142
143	#ifdef HAVE_SCROLLBARS	259	#ifdef RXVT_SCROLLBAR
144	if (Options & Opt_scrollBar)	260	if (topShadowGC) XFreeGC (dpy, topShadowGC);
145	rxvt_Resize_scrollBar (this); /* create and map scrollbar */	261	if (botShadowGC) XFreeGC (dpy, botShadowGC);
		262	if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
146	#endif	263	#endif
147	#if (MENUBAR_MAX)	264	if (gc) XFreeGC (dpy, gc);
148	if (menubar_visible(r))	265
149	XMapWindow (Xdisplay, menuBar.win);	266	delete drawable;
		267	// destroy all windows
		268	if (parent[0])
		269	XDestroyWindow (dpy, parent[0]);
		270
		271	for (int i = 0; i < TOTAL_COLORS; i++)
		272	if (ISSET_PIXCOLOR (i))
		273	{
		274	pix_colors_focused [i].free (this);
		275	#if OFF_FOCUS_FADING
		276	pix_colors_unfocused [i].free (this);
150	#endif	277	#endif
151	#ifdef TRANSPARENT	278	}
152	if (Options & Opt_transparent)	279
		280	clear ();
		281
		282	display->flush (); /* ideally .put should do this */
		283	displays.put (display);
153	{	284	}
154	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);	285
155	rxvt_check_our_parents (this);	286	scr_release ();
		287
		288	/* clear all resources */
		289	for (int i = 0; i < allocated.size (); i++)
		290	free (allocated [i]);
		291
		292	free (selection.text);
		293	// TODO: manage env vars in child only(!)
		294	free (env_display);
		295	free (env_term);
		296	free (locale);
		297	free (v_buffer);
		298	free (incr_buf);
		299
		300	delete envv;
		301	delete argv;
		302
		303	#ifdef KEYSYM_RESOURCE
		304	delete keyboard;
		305	#endif
		306	#ifndef NO_RESOURCES
		307	XrmDestroyDatabase (option_db);
		308	#endif
		309	}
		310
		311	// child has exited, usually destroys
		312	void
		313	rxvt_term::child_cb (ev::child &w, int status)
		314	{
		315	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		316
		317	cmd_pid = 0;
		318
		319	if (!option (Opt_hold))
		320	destroy ();
		321	}
		322
		323	void
		324	rxvt_term::destroy ()
		325	{
		326	if (destroy_ev.is_active ())
		327	return;
		328
		329	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		330
		331	#if ENABLE_OVERLAY
		332	scr_overlay_off ();
		333	#endif
		334
		335	if (display)
156	}	336	{
		337	#if USE_XIM
		338	im_ev.stop (display);
157	#endif	339	#endif
158	XMapWindow (Xdisplay, TermWin.vt);	340	scrollbar_ev.stop (display);
159	XMapWindow (Xdisplay, TermWin.parent[0]);	341	#if ENABLE_TRANSPARENCY || ENABLE_PERL
160		342	rootwin_ev.stop (display);
161	rxvt_init_env (this);
162	rxvt_init_command (this, cmd_argv);
163
164	x_ev.start (Xfd, EVENT_READ);
165	pty_ev.start (cmd_fd, EVENT_READ);
166
167	return true;
168	}
169
170	/* ------------------------------------------------------------------------- *
171	* SIGNAL HANDLING & EXIT HANDLER *
172	* ------------------------------------------------------------------------- */
173	/*
174	* Catch a SIGCHLD signal and exit if the direct child has died
175	*/
176	/* ARGSUSED */
177	/* EXTPROTO */
178	RETSIGTYPE
179	rxvt_Child_signal(int sig __attribute__ ((unused)))
180	{
181	dR;
182	int pid, save_errno = errno;
183
184	do {
185	errno = 0;
186	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
187
188	if (pid == R->cmd_pid)
189	exit(EXIT_SUCCESS);
190
191	errno = save_errno;
192	signal(SIGCHLD, rxvt_Child_signal);
193	}
194
195	/*
196	* Catch a fatal signal and tidy up before quitting
197	*/
198	/* EXTPROTO */
199	RETSIGTYPE
200	rxvt_Exit_signal(int sig)
201	{
202	signal(sig, SIG_DFL);
203	#ifdef DEBUG_CMD
204	rxvt_print_error("signal %d", sig);
205	#endif	343	#endif
206	rxvt_clean_exit();	344	incr_ev.stop ();
207	kill(getpid(), sig);	345	termwin_ev.stop (display);
208	}	346	vt_ev.stop (display);
209
210	/* ARGSUSED */
211	/* INTPROTO */
212	int
213	rxvt_xerror_handler(const Display * display
214	__attribute__ ((unused)), const XErrorEvent * event)
215	{
216	dR;
217
218	if (R->allowedxerror == -1) {
219	R->allowedxerror = event->error_code;
220	return 0; /* ignored anyway */
221	}	347	}
222	rxvt_print_error("XError: Request: %d . %d, Error: %d",	348
223	event->request_code, event->minor_code,	349	flush_ev.stop ();
224	event->error_code);	350	pty_ev.stop ();
225	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	351	#ifdef CURSOR_BLINK
226	exit(EXIT_FAILURE);	352	cursor_blink_ev.stop ();
227	/* NOTREACHED */	353	#endif
		354	#ifdef TEXT_BLINK
		355	text_blink_ev.stop ();
		356	#endif
		357	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		358	cont_scroll_ev.stop ();
		359	#endif
		360	#ifdef SELECTION_SCROLLING
		361	sel_scroll_ev.stop ();
		362	#endif
		363	#ifdef POINTER_BLANK
		364	pointer_ev.stop ();
		365	#endif
		366
		367	destroy_ev.start ();
		368	}
		369
		370	void
		371	rxvt_term::destroy_cb (ev::idle &w, int revents)
		372	{
		373	make_current ();
		374
		375	delete this;
228	}	376	}
229		377
230	/*----------------------------------------------------------------------*/	378	/*----------------------------------------------------------------------*/
231	/*	379	/*
232	* Exit gracefully, clearing the utmp entry and restoring tty attributes	380	* Exit gracefully, clearing the utmp entry and restoring tty attributes
233	* TODO: if debugging, this should free up any known resources if we can	381	* TODO: if debugging, this should free up any known resources if we can
234	*/	382	*/
235	/* EXTPROTO */	383	static XErrorHandler old_xerror_handler;
236	void
237	rxvt_clean_exit(void)
238	{
239	dR;
240		384
241	#ifdef DEBUG_SCREEN	385	static void
242	rxvt_scr_release(aR);	386	rxvt_emergency_cleanup ()
243	#endif
244	#ifndef NO_SETOWNER_TTYDEV
245	rxvt_privileged_ttydev(aR_ RESTORE);
246	#endif
247	#ifdef UTMP_SUPPORT
248	rxvt_privileged_utmp(aR_ RESTORE);
249	#endif
250	#ifdef USE_XIM
251	if (R->Input_Context != NULL) {
252	XDestroyIC(R->Input_Context);
253	R->Input_Context = NULL;
254	}
255	#endif
256	}
257
258	/* ------------------------------------------------------------------------- *
259	* MEMORY ALLOCATION WRAPPERS *
260	* ------------------------------------------------------------------------- */
261	/* EXTPROTO */
262	void *
263	rxvt_malloc(size_t size)
264	{	387	{
265	void *p;	388	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
266		389	(*t)->emergency_cleanup ();
267	p = malloc(size);
268	if (p)
269	return p;
270
271	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
272	rxvt_clean_exit();
273	exit(EXIT_FAILURE);
274	/* NOTREACHED */
275	}	390	}
276		391
277	/* EXTPROTO */	392	#if !ENABLE_MINIMAL
278	void *	393	static void
279	rxvt_calloc(size_t number, size_t size)	394	print_x_error (Display *dpy, XErrorEvent *event)
280	{	395	{
281	void *p;	396	char buffer[BUFSIZ];
282		397	char mesg[BUFSIZ];
283	p = calloc(number, size);	398	char number[32];
284	if (p)	399	char *mtype = "XlibMessage";
285	return p;	400	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
286		401	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
287	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	402	rxvt_warn ("An X Error occured, trying to continue after report.\n");
288	rxvt_clean_exit();	403	rxvt_warn ("%s: %s\n", mesg, buffer);
289	exit(EXIT_FAILURE);	404	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
290	/* NOTREACHED */	405	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		406	sprintf(number, "%d", event->request_code);
		407	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		408	rxvt_warn ("(which is %s)\n", buffer);
		409	if (event->request_code >= 128) {
		410	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		411	mesg, BUFSIZ);
		412	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		413	}
		414	if ((event->error_code == BadWindow) ||
		415	(event->error_code == BadPixmap) ||
		416	(event->error_code == BadCursor) ||
		417	(event->error_code == BadFont) ||
		418	(event->error_code == BadDrawable) ||
		419	(event->error_code == BadColor) ||
		420	(event->error_code == BadGC) ||
		421	(event->error_code == BadIDChoice) ||
		422	(event->error_code == BadValue) ||
		423	(event->error_code == BadAtom)) {
		424	if (event->error_code == BadValue)
		425	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		426	mesg, BUFSIZ);
		427	else if (event->error_code == BadAtom)
		428	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		429	mesg, BUFSIZ);
		430	else
		431	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		432	mesg, BUFSIZ);
		433	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		434	}
		435	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		436	mesg, BUFSIZ);
		437	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
291	}	438	}
292
293	/* EXTPROTO */
294	void *
295	rxvt_realloc(void *ptr, size_t size)
296	{
297	void *p;
298
299	if (ptr)
300	p = realloc(ptr, size);
301	else
302	p = malloc(size);
303	if (p)
304	return p;
305
306	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
307	rxvt_clean_exit();
308	exit(EXIT_FAILURE);
309	/* NOTREACHED */
310	}
311
312	/* ------------------------------------------------------------------------- *
313	* PRIVILEGED OPERATIONS *
314	* ------------------------------------------------------------------------- */
315	/* take care of suid/sgid super-user (root) privileges */
316	/* INTPROTO */
317	void
318	rxvt_privileges(pR_ int mode)
319	{
320	#if ! defined(__CYGWIN32__)
321	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
322	/* setreuid() is the poor man's setuid(), seteuid() */
323	# define seteuid(a) setreuid(-1, (a))
324	# define setegid(a) setregid(-1, (a))
325	# define HAVE_SETEUID
326	# endif	439	#endif
327	# ifdef HAVE_SETEUID	440
328	switch (mode) {	441	int
329	case IGNORE:	442	rxvt_xerror_handler (Display *display, XErrorEvent *event)
330	/*	443	{
331	* change effective uid/gid - not real uid/gid - so we can switch	444	if (GET_R->allowedxerror == -1)
332	* back to root later, as required	445	GET_R->allowedxerror = event->error_code;
333	*/	446	else
334	seteuid(getuid());
335	setegid(getgid());
336	break;
337	case SAVE:
338	R->euid = geteuid();
339	R->egid = getegid();
340	break;
341	case RESTORE:
342	seteuid(R->euid);
343	setegid(R->egid);
344	break;
345	}	447	{
		448	// GET_R is most likely not the terminal which caused the error,
		449	// so just output the error and continue
		450	#if ENABLE_MINIMAL
		451	old_xerror_handler (display, event);
346	# else	452	#else
347	switch (mode) {	453	print_x_error (display, event);
348	case IGNORE:
349	setuid(getuid());
350	setgid(getgid());
351	/* FALLTHROUGH */
352	case SAVE:
353	/* FALLTHROUGH */
354	case RESTORE:
355	break;
356	}
357	# endif	454	#endif
358	#endif	455	}
359	}
360		456
361	#ifdef UTMP_SUPPORT	457	return 0;
362	/* EXTPROTO */	458	}
363	void
364	rxvt_privileged_utmp(pR_ char action)
365	{
366	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
367	action, R->next_utmp_action, getpid()));
368	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
369	|| (R->Options & Opt_utmpInhibit)
370	|| R->ttydev == NULL || *R->ttydev == '\0')
371	return;
372		459
373	rxvt_privileges(aR_ RESTORE);	460	int
374	if (action == SAVE) {	461	rxvt_xioerror_handler (Display *display)
375	R->next_utmp_action = RESTORE;	462	{
376	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	463	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
377	} else { /* action == RESTORE */	464	DisplayString (display));
378	R->next_utmp_action = IGNORE;	465	rxvt_emergency_cleanup ();
379	rxvt_cleanutent(aR);	466	_exit (EXIT_FAILURE);
		467	}
		468
		469	static struct sig_handlers
		470	{
		471	ev::sig sw_term, sw_int;
		472
		473	/*
		474	* Catch a fatal signal and tidy up before quitting
		475	*/
		476	void sig_term (ev::sig &w, int revents);
		477
		478	sig_handlers ()
		479	{
		480	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		481	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
380	}	482	}
381	rxvt_privileges(aR_ IGNORE);	483	} sig_handlers;
382	}
383	#endif
384		484
385	#ifndef NO_SETOWNER_TTYDEV
386	/* EXTPROTO */
387	void	485	void
388	rxvt_privileged_ttydev(pR_ char action)	486	sig_handlers::sig_term (ev::sig &w, int revents)
389	{	487	{
390	D_MAIN((stderr,	488	rxvt_emergency_cleanup ();
391	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",	489	w.stop ();
392	action, R->next_tty_action, getpid()));	490	kill (getpid (), w.signum);
393	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
394	|| R->ttydev == NULL || *R->ttydev == '\0')
395	return;
396
397	rxvt_privileges(aR_ RESTORE);
398
399	if (action == SAVE) {
400	R->next_tty_action = RESTORE;
401	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
402	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
403	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
404	R->next_tty_action = IGNORE;
405	else
406	# endif
407	{
408	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
409	chmod(R->ttydev, R->ttymode);
410	# ifdef HAVE_REVOKE
411	revoke(R->ttydev);
412	# endif
413	}
414	} else { /* action == RESTORE */
415	R->next_tty_action = IGNORE;
416	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
417	chmod(R->ttydev, R->ttyfd_stat.st_mode);
418	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
419	# else
420	chmod(R->ttydev,
421	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
422	chown(R->ttydev, 0, 0);
423	# endif
424	}
425
426	rxvt_privileges(aR_ IGNORE);
427
428	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
429	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
430	action == RESTORE ? "Restoring" : (action ==
431	SAVE ? "Saving" :
432	"UNKNOWN ERROR for"), R->ttydev,
433	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
434	R->ttyfd_stat.st_gid));
435	# endif
436	}	491	}
437	#endif	492
		493	char **rxvt_environ; // startup environment
		494
		495	void
		496	rxvt_init ()
		497	{
		498	ptytty::init ();
		499
		500	if (!ev_default_loop (0))
		501	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		502
		503	rxvt_environ = environ;
		504
		505	signal (SIGHUP, SIG_IGN);
		506	signal (SIGPIPE, SIG_IGN);
		507
		508	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		509	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		510
		511	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		512	/* signal (SIGURG, SIG_DFL); */
		513
		514	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		515	// TODO: handle this with exceptions and tolerate the memory loss
		516	XSetIOErrorHandler (rxvt_xioerror_handler);
		517
		518	XrmInitialize ();
		519	}
438		520
439	/*----------------------------------------------------------------------*/	521	/*----------------------------------------------------------------------*/
440	/*	522	/*
441	* window size/position calculcations for XSizeHint and other storage.	523	* window size/position calculations for XSizeHint and other storage.
442	* if width/height are non-zero then override calculated width/height	524	* if width/height are non-zero then override calculated width/height
443	*/	525	*/
444	/* EXTPROTO */
445	void	526	void
446	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	527	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
447	{	528	{
448	short recalc_x, recalc_y;	529	short recalc_x, recalc_y;
449	int x, y, sb_w, mb_h, flags;	530	int x, y, flags;
450	unsigned int w, h;	531	unsigned int w, h;
451	unsigned int max_width, max_height;	532	unsigned int max_width, max_height;
452		533
453	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
454	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
455	R->szHint.height));
456	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	534	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
457	R->szHint.win_gravity = NorthWestGravity;	535	szHint.win_gravity = NorthWestGravity;
458	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	536	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
459		537
460	recalc_x = recalc_y = 0;	538	recalc_x = recalc_y = 0;
461	flags = 0;	539	flags = 0;
		540
462	if (!R->parsed_geometry) {	541	if (!parsed_geometry)
		542	{
463	R->parsed_geometry = 1;	543	parsed_geometry = 1;
		544
464	if (R->rs[Rs_geometry])	545	if (rs[Rs_geometry])
465	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	546	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		547
466	if (flags & WidthValue) {	548	if (flags & WidthValue)
467	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	549	{
		550	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
468	R->szHint.flags |= USSize;	551	szHint.flags |= USSize;
469	}	552	}
		553
470	if (flags & HeightValue) {	554	if (flags & HeightValue)
471	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	555	{
		556	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
472	R->szHint.flags |= USSize;	557	szHint.flags |= USSize;
473	}	558	}
		559
474	if (flags & XValue) {	560	if (flags & XValue)
		561	{
475	R->szHint.x = x;	562	szHint.x = x;
476	R->szHint.flags |= USPosition;	563	szHint.flags |= USPosition;
		564
477	if (flags & XNegative) {	565	if (flags & XNegative)
		566	{
478	recalc_x = 1;	567	recalc_x = 1;
479	R->szHint.win_gravity = NorthEastGravity;	568	szHint.win_gravity = NorthEastGravity;
480	}	569	}
481	}	570	}
		571
482	if (flags & YValue) {	572	if (flags & YValue)
		573	{
483	R->szHint.y = y;	574	szHint.y = y;
484	R->szHint.flags |= USPosition;	575	szHint.flags |= USPosition;
		576
485	if (flags & YNegative) {	577	if (flags & YNegative)
		578	{
486	recalc_y = 1;	579	recalc_y = 1;
		580
487	if (R->szHint.win_gravity == NorthEastGravity)	581	if (szHint.win_gravity == NorthEastGravity)
488	R->szHint.win_gravity = SouthEastGravity;	582	szHint.win_gravity = SouthEastGravity;
489	else	583	else
490	R->szHint.win_gravity = SouthWestGravity;	584	szHint.win_gravity = SouthWestGravity;
491	}	585	}
492	}	586	}
493	}	587	}
		588
494	/* TODO: BOUNDS */	589	/* TODO: BOUNDS */
495	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	590	width = ncol * fwidth;
496	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	591	height = nrow * fheight;
497	max_width = MAX_COLS * R->TermWin.fwidth;	592	max_width = MAX_COLS * fwidth;
498	max_height = MAX_ROWS * R->TermWin.fheight;	593	max_height = MAX_ROWS * fheight;
499		594
500	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	595	szHint.base_width = szHint.base_height = 2 * int_bwidth;
501		596
502	sb_w = mb_h = 0;
503	R->window_vt_x = R->window_vt_y = 0;	597	window_vt_x = window_vt_y = int_bwidth;
504	if (scrollbar_visible(R)) {	598
		599	if (scrollBar.state)
		600	{
505	sb_w = scrollbar_TotalWidth();	601	int sb_w = scrollBar.total_width ();
506	R->szHint.base_width += sb_w;	602	szHint.base_width += sb_w;
		603
507	if (!(R->Options & Opt_scrollBar_right))	604	if (!option (Opt_scrollBar_right))
508	R->window_vt_x = sb_w;	605	window_vt_x += sb_w;
509	}	606	}
510	if (menubar_visible(R)) {	607
511	mb_h = menuBar_TotalHeight();
512	R->szHint.base_height += mb_h;
513	R->window_vt_y = mb_h;
514	}
515	R->szHint.width_inc = R->TermWin.fwidth;	608	szHint.width_inc = fwidth;
516	R->szHint.height_inc = R->TermWin.fheight;	609	szHint.height_inc = fheight;
517	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	610	szHint.min_width = szHint.base_width + szHint.width_inc;
518	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	611	szHint.min_height = szHint.base_height + szHint.height_inc;
519		612
520	if (width && width - R->szHint.base_width < max_width) {	613	if (newwidth && newwidth - szHint.base_width < max_width)
		614	{
521	R->szHint.width = width;	615	szHint.width = newwidth;
522	R->TermWin.width = width - R->szHint.base_width;	616	width = newwidth - szHint.base_width;
523	} else {	617	}
524	MIN_IT(R->TermWin.width, max_width);	618	else
		619	{
		620	min_it (width, max_width);
525	R->szHint.width = R->szHint.base_width + R->TermWin.width;	621	szHint.width = szHint.base_width + width;
526	}	622	}
		623
527	if (height && height - R->szHint.base_height < max_height) {	624	if (newheight && newheight - szHint.base_height < max_height)
		625	{
528	R->szHint.height = height;	626	szHint.height = newheight;
529	R->TermWin.height = height - R->szHint.base_height;	627	height = newheight - szHint.base_height;
530	} else {	628	}
531	MIN_IT(R->TermWin.height, max_height);	629	else
		630	{
		631	min_it (height, max_height);
532	R->szHint.height = R->szHint.base_height + R->TermWin.height;	632	szHint.height = szHint.base_height + height;
533	}	633	}
534	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
535	R->window_sb_x = R->szHint.width - sb_w;
536		634
537	if (recalc_x)	635	if (recalc_x)
538	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	636	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
539	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	637
540	if (recalc_y)	638	if (recalc_y)
541	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	639	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
542	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
543		640
544	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	641	ncol = width / fwidth;
545	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	642	nrow = height / fheight;
546	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
547	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
548	R->szHint.height));
549	return;
550	}	643	}
551		644
552	/*----------------------------------------------------------------------*/	645	/*----------------------------------------------------------------------*/
553	/*	646	/*
554	* Tell the teletype handler what size the window is.	647	* Tell the teletype handler what size the window is.
555	* Called after a window size change.	648	* Called after a window size change.
556	*/	649	*/
557	/* EXTPROTO */
558	void	650	void
559	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	651	rxvt_term::tt_winch ()
560	{	652	{
		653	if (pty->pty < 0)
		654	return;
		655
561	struct winsize ws;	656	struct winsize ws;
562		657
563	if (fd < 0)
564	return;
565	ws.ws_col = col;	658	ws.ws_col = ncol;
566	ws.ws_row = row;	659	ws.ws_row = nrow;
567	ws.ws_xpixel = ws.ws_ypixel = 0;	660	ws.ws_xpixel = width;
568	#ifndef DEBUG_SIZE	661	ws.ws_ypixel = height;
569	(void)ioctl(fd, TIOCSWINSZ, &ws);	662	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
570	#else	663
571	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	664	#if 0
572	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	665	// TIOCSWINSZ is supposed to do this automatically and correctly
573	}
574	# ifdef SIGWINCH
575	else if (pid) /* force through to the command */	666	if (cmd_pid) /* force through to the command */
576	kill(pid, SIGWINCH);	667	kill (-cmd_pid, SIGWINCH);
577	# endif
578	#endif	668	#endif
579	}	669	}
580		670
581	/*----------------------------------------------------------------------*/	671	/*----------------------------------------------------------------------*/
582	/* rxvt_change_font() - Switch to a new font */	672	/* set_fonts () - load and set the various fonts
583	/*	673	*
584	* init = 1 - initialize	674	* init = 1 - initialize
585	*	675	*
586	* fontname == FONT_UP - switch to bigger font	676	* fontname == FONT_UP - switch to bigger font
587	* fontname == FONT_DN - switch to smaller font	677	* fontname == FONT_DN - switch to smaller font
588	*/	678	*/
589	/* EXTPROTO */	679	bool
590	void	680	rxvt_term::set_fonts ()
591	rxvt_change_font(pR_ int init, const char *fontname)
592	{	681	{
593	}	682	rxvt_fontset *fs = new rxvt_fontset (this);
		683	rxvt_fontprop prop;
594		684
595	/* INTPROTO */	685	if (!fs
		686	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		687	|| !fs->realize_font (1))
		688	{
		689	delete fs;
		690	return false;
		691	}
		692
		693	#if ENABLE_STYLES
		694	for (int i = RS_styleCount; --i; )
		695	if (fontset[i] != fontset[0])
		696	delete fontset[i];
		697	#endif
		698
		699	delete fontset[0];
		700	fontset[0] = fs;
		701
		702	prop = (*fs)[1]->properties ();
		703	prop.height += lineSpace;
		704
		705	fs->set_prop (prop, false);
		706
		707	fwidth = prop.width;
		708	fheight = prop.height;
		709	fbase = prop.ascent;
		710
		711	for (int style = 1; style < 4; style++)
		712	{
		713	#if ENABLE_STYLES
		714	const char *res = rs[Rs_font + style];
		715
		716	if (res && !*res)
		717	fontset[style] = fontset[0];
		718	else
		719	{
		720	fontset[style] = fs = new rxvt_fontset (this);
		721	rxvt_fontprop prop2 = prop;
		722
		723	if (res)
		724	{
		725	fs->populate (res);
		726	fs->set_prop (prop2, false);
		727	}
		728	else
		729	{
		730	fs->populate (fontset[0]->fontdesc);
		731
		732	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		733	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		734
		735	fs->set_prop (prop2, true);
		736	}
		737
		738	}
		739	#else
		740	fontset[style] = fontset[0];
		741	#endif
		742	}
		743
		744	if (parent[0])
		745	{
		746	resize_all_windows (0, 0, 0);
		747	scr_remap_chars ();
		748	scr_touch (true);
		749	}
		750
		751	return true;
		752	}
		753
596	void	754	void
597	rxvt_font_up_down(pR_ int n, int direction)	755	rxvt_term::set_string_property (Atom prop, const char *str, int len)
598	{	756	{
		757	XChangeProperty (dpy, parent[0],
		758	prop, XA_STRING, 8, PropModeReplace,
		759	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		760	}
		761
		762	void
		763	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		764	{
		765	wchar_t *ws = rxvt_mbstowcs (str, len);
		766	char *s = rxvt_wcstoutf8 (ws);
		767
		768	XChangeProperty (dpy, parent[0],
		769	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		770	(const unsigned char *)s, strlen (s));
		771
		772	free (s);
		773	free (ws);
599	}	774	}
600		775
601	/*----------------------------------------------------------------------*/	776	/*----------------------------------------------------------------------*/
602	/*----------------------------------------------------------------------*/	777	/*----------------------------------------------------------------------*/
603	/* xterm sequences - title, iconName, color (exptl) */	778	/* xterm sequences - title, iconName, color (exptl) */
604	/* EXTPROTO */
605	void	779	void
606	rxvt_set_title(pR_ const char *str)	780	rxvt_term::set_title (const char *str)
607	{	781	{
608	#ifndef SMART_WINDOW_TITLE	782	set_string_property (XA_WM_NAME, str);
609	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	783	#if ENABLE_EWMH
610	#else	784	set_utf8_property (xa[XA_NET_WM_NAME], str);
611	char *name;
612
613	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
614	name = NULL;
615	if (name == NULL || STRCMP(name, str))
616	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
617	if (name)
618	XFree(name);
619	#endif	785	#endif
620	}	786	}
621		787
622	/* EXTPROTO */
623	void	788	void
624	rxvt_set_iconName(pR_ const char *str)	789	rxvt_term::set_icon_name (const char *str)
625	{	790	{
626	#ifndef SMART_WINDOW_TITLE	791	set_string_property (XA_WM_ICON_NAME, str);
627	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	792	#if ENABLE_EWMH
628	#else	793	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
629	char *name;
630
631	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
632	name = NULL;
633	if (name == NULL || STRCMP(name, str))
634	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
635	if (name)
636	XFree(name);
637	#endif	794	#endif
638	}	795	}
639		796
		797	void
		798	rxvt_term::set_window_color (int idx, const char *color)
		799	{
640	#ifdef XTERM_COLOR_CHANGE	800	#ifdef XTERM_COLOR_CHANGE
641	/* EXTPROTO */
642	void
643	rxvt_set_window_color(pR_ int idx, const char *color)
644	{
645	rxvt_color xcol;	801	rxvt_color xcol;
646	int i;
647		802
648	if (color == NULL || *color == '\0')	803	if (color == NULL || *color == '\0')
649	return;	804	return;
650		805
		806	color = strdup (color);
		807	allocated.push_back ((void *)color);
		808	rs[Rs_color + idx] = color;
		809
651	/* handle color aliases */	810	/* handle color aliases */
652	if (isdigit(*color)) {	811	if (isdigit (*color))
		812	{
653	i = atoi(color);	813	int i = atoi (color);
654	if (i >= 8 && i <= 15) { /* bright colors */	814
655	i -= 8;	815	if (i >= 8 && i <= 15)
656	# ifndef NO_BRIGHTCOLOR	816	{
657	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	817	/* bright colors */
658	SET_PIXCOLOR(R, idx);	818	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
659	goto Done;	819	goto done;
660	# endif
661	}	820	}
662	if (i >= 0 && i <= 7) { /* normal colors */	821
663	R->PixColors[idx] = R->PixColors[minCOLOR + i];	822	if (i >= 0 && i <= 7)
664	SET_PIXCOLOR(R, idx);	823	{
		824	/* normal colors */
		825	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
665	goto Done;	826	goto done;
666	}	827	}
667	}	828	}
668	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
669	return;
670	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
671		829
672	/*	830	set_color (xcol, color);
		831
		832	/*
673	* FIXME: should free colors here, but no idea how to do it so instead,	833	* FIXME: should free colors here, but no idea how to do it so instead,
674	* so just keep gobbling up the colormap	834	* so just keep gobbling up the colormap
675	*/	835	*/
676	# if 0
677	for (i = Color_Black; i <= Color_White; i++)
678	if (R->PixColors[idx] == R->PixColors[i])
679	break;
680	if (i > Color_White) {
681	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
682	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
683	DisplayPlanes(R->Xdisplay, Xscreen));
684	}
685	# endif
686		836
687	R->PixColors[idx] = xcol;	837	pix_colors_focused[idx] = xcol;
688	SET_PIXCOLOR(R, idx);
689		838
690	/* XSetWindowAttributes attr; */	839	done:
691	/* Cursor cursor; */
692	Done:
693	if (idx == Color_bg && !(R->Options & Opt_transparent))
694	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
695	R->PixColors[Color_bg]);
696
697	/* handle Color_BD, scrollbar background, etc. */	840	/*TODO: handle Color_BD, scrollbar background, etc. */
698		841
699	rxvt_set_colorfgbg(aR);	842	update_fade_color (idx);
700	rxvt_recolour_cursor(aR);	843	recolour_cursor ();
701	/* the only reasonable way to enforce a clean update */	844	scr_recolour ();
702	rxvt_scr_poweron(aR);	845	#endif /* XTERM_COLOR_CHANGE */
703	}	846	}
704		847
705	#else
706	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
707	#endif /* XTERM_COLOR_CHANGE */
708
709	/* EXTPROTO */
710	void	848	void
711	rxvt_recolour_cursor(pR)	849	rxvt_term::recolour_cursor ()
712	{	850	{
713	rxvt_color xcol[2];	851	XColor fg, bg;
714		852
715	#if TODO	853	(ISSET_PIXCOLOR (Color_pointer_fg)
716	xcol[0] = R->PixColors[Color_pointer];	854	? pix_colors_focused[Color_pointer_fg]
717	xcol[1] = R->PixColors[Color_bg];	855	: pix_colors_focused[Color_fg]).get (fg);
718	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	856
719	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	857	(ISSET_PIXCOLOR (Color_pointer_bg)
720	#endif	858	? pix_colors_focused[Color_pointer_bg]
		859	: pix_colors_focused[Color_bg]).get (bg);
		860
		861	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
721	}	862	}
722		863
723	/*----------------------------------------------------------------------*/	864	/*----------------------------------------------------------------------*/
724	/*	865	/*
725	* find if fg/bg matches any of the normal (low-intensity) colors	866	* find if fg/bg matches any of the normal (low-intensity) colors
726	*/	867	*/
727	/* INTPROTO */
728	void	868	void
729	rxvt_set_colorfgbg(pR)	869	rxvt_term::set_colorfgbg ()
730	{	870	{
731	unsigned int i;	871	unsigned int i;
732	const char *xpmb = "\0";	872	const char *xpmb = "";
733	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	873	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
734		874
735	R->env_colorfgbg =	875	strcpy (fstr, "default");
736	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	876	strcpy (bstr, "default");
737	STRCPY(fstr, "default");
738	STRCPY(bstr, "default");
739	for (i = Color_Black; i <= Color_White; i++)	877	for (i = Color_Black; i <= Color_White; i++)
740	if (R->PixColors[Color_fg] == R->PixColors[i]) {	878	if (pix_colors[Color_fg] == pix_colors[i])
		879	{
741	sprintf(fstr, "%d", (i - Color_Black));	880	sprintf (fstr, "%d", (i - Color_Black));
742	break;	881	break;
743	}	882	}
		883
744	for (i = Color_Black; i <= Color_White; i++)	884	for (i = Color_Black; i <= Color_White; i++)
745	if (R->PixColors[Color_bg] == R->PixColors[i]) {	885	if (pix_colors[Color_bg] == pix_colors[i])
		886	{
746	sprintf(bstr, "%d", (i - Color_Black));	887	sprintf (bstr, "%d", (i - Color_Black));
747	#ifdef XPM_BACKGROUND	888	#ifdef BG_IMAGE_FROM_FILE
748	xpmb = "default;";	889	xpmb = "default;";
749	#endif	890	#endif
750	break;	891	break;
751	}	892	}
		893
752	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	894	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
753	putenv(R->env_colorfgbg);
754
755	#ifndef NO_BRIGHTCOLOR
756	R->colorfgbg = DEFAULT_RSTYLE;
757	for (i = minCOLOR; i <= maxCOLOR; i++) {
758	if (R->PixColors[Color_fg] == R->PixColors[i])
759	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
760	if (R->PixColors[Color_bg] == R->PixColors[i])
761	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
762	}
763	#endif
764	}	895	}
765		896
766	/*----------------------------------------------------------------------*/	897	/*----------------------------------------------------------------------*/
767	/*
768	* Colour determination for low colour displays, routine from
769	* Hans de Goede <hans@highrise.nl>
770	*/
771		898
772	/* EXTPROTO */	899	bool
773	int	900	rxvt_term::set_color (rxvt_color &color, const char *name)
774	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
775	{	901	{
776	screen_in_out->set(aR_ colour);	902	if (color.set (this, name))
777
778	if (!screen_in_out->set(aR_ colour)) {
779	rxvt_print_error("can't allocate colour: %s", colour);
780	return false;
781	}
782
783	return true;	903	return true;
		904
		905	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		906	return false;
		907	}
		908
		909	void
		910	rxvt_term::alias_color (int dst, int src)
		911	{
		912	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
784	}	913	}
785		914
786	/* -------------------------------------------------------------------- *	915	/* -------------------------------------------------------------------- *
787	* - WINDOW RESIZING - *	916	* - WINDOW RESIZING - *
788	* -------------------------------------------------------------------- */	917	* -------------------------------------------------------------------- */
789	/* EXTPROTO */
790	void	918	void
791	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	919	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
792	int ignoreparent)
793	{	920	{
794	int fix_screen;	921	int fix_screen;
		922	int old_width = szHint.width;
		923	int old_height = szHint.height;
795		924
		925	window_calc (newwidth, newheight);
		926
		927	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
		928	XSetWMNormalHints (dpy, parent[0], &szHint);
		929
		930	if (!ignoreparent)
		931	{
796	#ifdef SMART_RESIZE	932	#ifdef SMART_RESIZE
797	int old_width = R->szHint.width, old_height = R->szHint.height;	933	/*
798	#endif
799
800	rxvt_window_calc(aR_ width, height);
801	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
802	if (!ignoreparent) {
803	#ifdef SMART_RESIZE
804	/*
805	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	934	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
806	* reposition window on resize depending on placement on screen	935	* reposition window on resize depending on placement on screen
807	*/	936	*/
808	int x, y, x1, y1;	937	int x, y, x1, y1;
809	int dx, dy;	938	int dx, dy;
810	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	939	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
811	Window unused_cr;	940	Window unused_cr;
812		941
813	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	942	XTranslateCoordinates (dpy, parent[0], display->root,
814	0, 0, &x, &y, &unused_cr);	943	0, 0, &x, &y, &unused_cr);
815	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	944	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
816	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	945	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
817	/*	946	/*
818	* if Xroot isn't the parent window, a WM will probably have offset	947	* if display->root isn't the parent window, a WM will probably have offset
819	* our position for handles and decorations. Counter it	948	* our position for handles and decorations. Counter it
820	*/	949	*/
821	if (x1 != x || y1 != y) {	950	if (x1 != x || y1 != y)
		951	{
822	x -= x1;	952	x -= x1;
823	y -= y1;	953	y -= y1;
824	}	954	}
825		955
826	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	956	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
827	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	957	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
828	dx = old_width - R->szHint.width;	958	dx = old_width - szHint.width;
829	dy = old_height - R->szHint.height;	959	dy = old_height - szHint.height;
830		960
831	/* Check position of the center of the window */	961	/* Check position of the center of the window */
832	if (x < x1) /* left half */	962	if (x < x1) /* left half */
833	dx = 0;	963	dx = 0;
834	else if (x == x1) /* exact center */	964	else if (x == x1) /* exact center */
835	dx /= 2;	965	dx /= 2;
836	if (y < y1) /* top half */	966	if (y < y1) /* top half */
837	dy = 0;	967	dy = 0;
838	else if (y == y1) /* exact center */	968	else if (y == y1) /* exact center */
839	dy /= 2;	969	dy /= 2;
840		970
841	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	971	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
842	R->szHint.width, R->szHint.height);	972	szHint.width, szHint.height);
843	#else	973	#else
844	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	974	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
845	R->szHint.height);
846	#endif	975	#endif
847	}	976	}
848		977
849	fix_screen = (R->TermWin.ncol != R->prev_ncol	978	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
850	|| R->TermWin.nrow != R->prev_nrow);	979
851	if (fix_screen || width != R->old_width || height != R->old_height) {	980	if (fix_screen || newwidth != old_width || newheight != old_height)
852	if (scrollbar_visible(R)) {
853	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
854	0, scrollbar_TotalWidth(), R->szHint.height);
855	rxvt_Resize_scrollBar(aR);
856	}
857	if (menubar_visible(R))
858	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
859	0, TermWin_TotalWidth(), menuBar_TotalHeight());
860	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
861	R->window_vt_y, TermWin_TotalWidth(),
862	TermWin_TotalHeight());
863	#ifdef RXVT_GRAPHICS
864	if (R->old_height)
865	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
866	R->old_height - R->szHint.base_height);
867	#endif
868	rxvt_scr_clear(aR);
869	#ifdef XPM_BACKGROUND
870	rxvt_resize_pixmap(aR);
871	#endif
872	}	981	{
		982	if (scrollBar.state)
		983	resize_scrollbar ();
873		984
		985	XMoveResizeWindow (dpy, vt,
		986	window_vt_x, window_vt_y,
		987	width, height);
		988
		989	#ifdef HAVE_BG_PIXMAP
		990	if (bgPixmap.window_size_sensitive ())
		991	update_background ();
		992	#endif
		993
		994	scr_clear ();
		995	}
		996
874	if (fix_screen || R->old_height == 0) {	997	if (fix_screen || old_height == 0)
875	int curr_screen = -1;	998	scr_reset ();
876	uint16_t old_ncol = R->prev_ncol;
877		999
878	/* scr_reset only works on the primary screen */	1000	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
879	if (R->old_height) /* this is not the first time through */	1001	//scr_touch (false);
880	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
881	rxvt_scr_reset(aR);
882	if (curr_screen >= 0) { /* this is not the first time through */
883	rxvt_scr_change_screen(aR_ curr_screen);
884	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
885	}
886	}
887		1002
888	R->old_width = R->szHint.width;	1003	#ifdef HAVE_BG_PIXMAP
889	R->old_height = R->szHint.height;	1004	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		1005	// if (bgPixmap.pixmap)
		1006	// scr_touch (false);
		1007	#endif
890		1008
891	#ifdef USE_XIM	1009	#ifdef USE_XIM
892	rxvt_IMSetStatusPosition(aR);	1010	IMSetPosition ();
893	#endif	1011	#endif
894	}	1012	}
895		1013
896	/*	1014	/*
897	* Set the width/height of the vt window in characters. Units are pixels.	1015	* Set the width/height of the vt window in characters. Units are pixels.
898	* good for toggling 80/132 columns	1016	* good for toggling 80/132 columns
899	*/	1017	*/
900	/* EXTPROTO */
901	void	1018	void
902	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1019	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
903	{	1020	{
904	XWindowAttributes wattr;	1021	XWindowAttributes wattr;
905		1022
906	if (width == 0 || height == 0) {	1023	if (newwidth == 0 || newheight == 0)
		1024	{
907	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1025	XGetWindowAttributes (dpy, display->root, &wattr);
		1026
908	if (width == 0)	1027	if (newwidth == 0)
909	width = wattr.width - R->szHint.base_width;	1028	newwidth = wattr.width - szHint.base_width;
910	if (height == 0)	1029	if (newheight == 0)
911	height = wattr.height - R->szHint.base_height;	1030	newheight = wattr.height - szHint.base_height;
		1031	}
		1032
		1033	if (newwidth != width || newheight != height)
912	}	1034	{
913	if (width != R->TermWin.width || height != R->TermWin.height) {
914	width += R->szHint.base_width;	1035	newwidth += szHint.base_width;
915	height += R->szHint.base_height;	1036	newheight += szHint.base_height;
916	rxvt_resize_all_windows(aR_ width, height, 0);	1037	resize_all_windows (newwidth, newheight, 0);
917	}	1038	}
918	}	1039	}
919		1040
920	/* -------------------------------------------------------------------- *	1041	/* -------------------------------------------------------------------- *
921	* - X INPUT METHOD ROUTINES - *	1042	* - X INPUT METHOD ROUTINES - *
922	* -------------------------------------------------------------------- */	1043	* -------------------------------------------------------------------- */
923	#ifdef USE_XIM	1044	#ifdef USE_XIM
924	/* INTPROTO */
925	void
926	rxvt_setSize(pR_ XRectangle * size)
927	{
928	size->x = R->TermWin.int_bwidth;
929	size->y = R->TermWin.int_bwidth;
930	size->width = Width2Pixel(R->TermWin.ncol);
931	size->height = Height2Pixel(R->TermWin.nrow);
932	}
933		1045
934	/* INTPROTO */
935	void	1046	void
936	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1047	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
937	{	1048	{
938	*fg = R->PixColors[Color_fg];	1049	fg = pix_colors [Color_fg];
939	*bg = R->PixColors[Color_bg];	1050	bg = pix_colors [Color_bg];
		1051	}
		1052
		1053	void
		1054	rxvt_term::im_set_size (XRectangle &size)
		1055	{
		1056	// the int_bwidth terms make no sense to me
		1057	size.x = int_bwidth;
		1058	size.y = int_bwidth;
		1059	size.width = Width2Pixel (ncol) + int_bwidth;
		1060	size.height = Height2Pixel (nrow) + int_bwidth;
		1061	}
		1062
		1063	void
		1064	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1065	XRectangle &status_rect,
		1066	const XRectangle &needed_rect)
		1067	{
		1068	preedit_rect.x = needed_rect.width;
		1069	preedit_rect.y = 0;
		1070	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1071	preedit_rect.height = fheight;
		1072
		1073	status_rect.x = 0;
		1074	status_rect.y = 0;
		1075	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1076	status_rect.height = fheight;
940	}	1077	}
941		1078
942	/* Checking whether input method is running. */	1079	/* Checking whether input method is running. */
943	/* INTPROTO */
944	Bool	1080	bool
945	rxvt_IMisRunning(pR)	1081	rxvt_term::IMisRunning ()
946	{	1082	{
947	char *p;	1083	char *p;
948	Atom atom;	1084	Atom atom;
949	Window win;	1085	Window win;
950	char server[IMBUFSIZ];	1086	char server[IMBUFSIZ];
951		1087
952	/* get current locale modifier */	1088	/* get current locale modifier */
953	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1089	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1090	{
954	STRCPY(server, "@server=");	1091	strcpy (server, "@server=");
955	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1092	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1093
956	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1094	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
957	*p = '\0';	1095	*p = '\0';
958		1096
959	atom = XInternAtom(R->Xdisplay, server, False);	1097	atom = XInternAtom (dpy, server, False);
960	win = XGetSelectionOwner(R->Xdisplay, atom);	1098	win = XGetSelectionOwner (dpy, atom);
		1099
961	if (win != None)	1100	if (win != None)
962	return True;	1101	return True;
963	}	1102	}
		1103
964	return False;	1104	return False;
965	}	1105	}
966		1106
967	/* EXTPROTO */
968	void	1107	void
969	rxvt_IMSendSpot(pR)	1108	rxvt_term::IMSendSpot ()
970	{	1109	{
971	XPoint spot;	1110	XPoint nspot;
972	XVaNestedList preedit_attr;	1111	XVaNestedList preedit_attr;
973		1112
974	if (R->Input_Context == NULL	1113	if (!Input_Context
975	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1114	|| !focus
976	|| !(R->event_type == KeyPress	1115	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
977	|| R->event_type == Expose
978	|| R->event_type == NoExpose
979	|| R->event_type == SelectionNotify
980	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
981	|| !rxvt_IMisRunning(aR))
982	return;	1116	return;
983		1117
984	rxvt_setPosition(aR_ & spot);	1118	im_set_position (nspot);
985		1119
		1120	if (nspot.x == spot.x && nspot.y == spot.y)
		1121	return;
		1122
		1123	spot = nspot;
		1124
986	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1125	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
987	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1126	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
988	XFree(preedit_attr);	1127	XFree (preedit_attr);
989	}	1128	}
990		1129
991	/* EXTPROTO */
992	void	1130	void
993	rxvt_setTermFontSet(pR_ int idx)	1131	rxvt_term::im_destroy ()
994	{	1132	{
995	char *string;	1133	if (input_method)
996	long length;	1134	{
997	int success = 0;	1135	if (Input_Context && input_method->xim)
		1136	XDestroyIC (Input_Context);
998		1137
999	if (idx < 0 || idx >= MAX_NFONTS)	1138	display->put_xim (input_method);
1000	return;	1139	input_method = 0;
1001	}	1140	}
1002		1141
1003	/* INTPROTO */
1004	void
1005	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1006	XRectangle * needed_rect)
1007	{
1008	int mbh, vtx = 0;
1009
1010	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1011	vtx = scrollbar_TotalWidth();
1012	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1013	mbh -= R->TermWin.lineSpace;
1014
1015	preedit_rect->x = needed_rect->width + vtx;
1016	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1017
1018	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1019	+ vtx;
1020	preedit_rect->height = Height2Pixel(1);
1021
1022	status_rect->x = vtx;
1023	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1024
1025	status_rect->width = needed_rect->width ? needed_rect->width
1026	: Width2Pixel(R->TermWin.ncol + 1);
1027	status_rect->height = Height2Pixel(1);
1028	}
1029
1030	/* ARGSUSED */
1031	/* INTPROTO */
1032	void
1033	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1034	__attribute__ ((unused)), XPointer call_data
1035	__attribute__ ((unused)))
1036	{
1037	dR;
1038
1039	R->Input_Context = NULL;	1142	Input_Context = 0;
1040	/* To avoid Segmentation Fault in C locale: Solaris only? */
1041	if (STRCMP(R->locale, "C"))
1042	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1043	rxvt_IMInstantiateCallback, NULL);
1044	}	1143	}
1045		1144
1046	/*	1145	#ifdef ENABLE_XIM_ONTHESPOT
1047	* X manual pages and include files don't match on some systems:
1048	* some think this is an XIDProc and others an XIMProc so we can't
1049	* use the first argument - need to update this to be nice for
1050	* both types via some sort of configure detection
1051	*/
1052	/* ARGSUSED */
1053	/* EXTPROTO */
1054	void
1055	rxvt_IMInstantiateCallback(Display * unused
1056	__attribute__ ((unused)), XPointer client_data
1057	__attribute__ ((unused)), XPointer call_data
1058	__attribute__ ((unused)))
1059	{
1060	dR;
1061	int i, found, had_im;
1062	const char *p;
1063	char **s;
1064	char buf[IMBUFSIZ];
1065		1146
1066	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1147	static void
1067	if (R->Input_Context)	1148	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1068	return;	1149	{
		1150	((rxvt_term *)client_data)->make_current ();
		1151	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1152	}
1069		1153
1070	found = had_im = 0;	1154	static void
1071	p = R->rs[Rs_inputMethod];	1155	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1072	if (p && *p) {	1156	{
1073	had_im = 1;	1157	((rxvt_term *)client_data)->make_current ();
1074	s = rxvt_splitcommastring(p);	1158	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1075	for (i = 0; s[i]; i++) {	1159	}
1076	if (*s[i]) {	1160
1077	STRCPY(buf, "@im=");	1161	static void
1078	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1162	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1079	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1163	{
1080	&& (rxvt_IM_get_IC(aR) == True)) {	1164	rxvt_term *term = (rxvt_term *)client_data;
1081	found = 1;	1165	XIMText *text = call_data->text;
1082	break;	1166
1083	}	1167	term->make_current ();
1084	}	1168
		1169	if (text)
		1170	{
		1171	void *str;
		1172
		1173	if (!text->encoding_is_wchar && text->string.multi_byte)
		1174	{
		1175	// of course, X makes it ugly again
		1176	if (term->rs[Rs_imLocale])
		1177	SET_LOCALE (term->rs[Rs_imLocale]);
		1178
		1179	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1180	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1181
		1182	if (term->rs[Rs_imLocale])
		1183	SET_LOCALE (term->locale);
1085	}	1184	}
1086	for (i = 0; s[i]; i++)	1185	else
1087	free(s[i]);	1186	str = (void *)text->string.wide_char;
1088	free(s);
1089	}
1090	if (found)
1091	return;
1092		1187
1093	/* try with XMODIFIERS env. var. */	1188	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1094	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1189	DT_INT, call_data->caret,
1095	rxvt_IM_get_IC(aR);	1190	DT_INT, call_data->chg_first,
1096	return;	1191	DT_INT, call_data->chg_length,
		1192	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1193	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1194	DT_END));
1097	}	1195	}
1098		1196	else
1099	/* try with no modifiers base IF the user didn't specify an IM */	1197	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1100	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1198	DT_INT, call_data->caret,
1101	&& rxvt_IM_get_IC(aR) == True)	1199	DT_INT, call_data->chg_first,
1102	return;	1200	DT_INT, call_data->chg_length,
		1201	DT_END));
1103	}	1202	}
		1203
		1204	#if 0
		1205	static void
		1206	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1207	{
		1208	((rxvt_term *)client_data)->make_current ();
		1209	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1210	DT_INT, call_data->position,
		1211	DT_INT, call_data->direction,
		1212	DT_INT, call_data->style,
		1213	DT_END));
		1214	}
		1215	#endif
		1216
		1217	#endif
1104		1218
1105	/*	1219	/*
1106	* Try to open a XIM with the current modifiers, then see if we can	1220	* Try to open a XIM with the current modifiers, then see if we can
1107	* open a suitable preedit type	1221	* open a suitable preedit type
1108	*/	1222	*/
1109	/* INTPROTO */
1110	Bool	1223	bool
1111	rxvt_IM_get_IC(pR)	1224	rxvt_term::IM_get_IC (const char *modifiers)
1112	{	1225	{
1113	int i, j, found;	1226	int i, j, found;
1114	XIM xim;	1227	XIM xim;
1115	XPoint spot;	1228	XPoint spot;
1116	XRectangle rect, status_rect, needed_rect;	1229	XRectangle rect, status_rect, needed_rect;
1117	unsigned long fg, bg;	1230	unsigned long fg, bg;
1118	const char *p;	1231	const char *p;
1119	char **s;	1232	char **s;
1120	XIMStyles *xim_styles;	1233	XIMStyles *xim_styles;
1121	XVaNestedList preedit_attr, status_attr;	1234	#ifdef ENABLE_XIM_ONTHESPOT
1122	XIMCallback ximcallback;	1235	XIMCallback xcb[4];
		1236	#endif
1123		1237
1124	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1238	set_environ (envv);
1125	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1239
1126	if (xim == NULL)	1240	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1127	return False;	1241	return false;
1128		1242
		1243	input_method = display->get_xim (locale, modifiers);
		1244	if (input_method == NULL)
		1245	return false;
		1246
		1247	xim = input_method->xim;
		1248	spot.x = spot.y = -1;
		1249
1129	xim_styles = NULL;	1250	xim_styles = NULL;
1130	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1251	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1131	|| !xim_styles || !xim_styles->count_styles) {	1252	|| !xim_styles || !xim_styles->count_styles)
1132	XCloseIM(xim);	1253	{
		1254	im_destroy ();
1133	return False;	1255	return false;
		1256	}
		1257
		1258	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1259
		1260	for (int pi = 0; pi < 2; pi++)
1134	}	1261	{
		1262	p = pet[pi];
1135		1263
1136	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1264	if (!p)
1137	: "OverTheSpot,OffTheSpot,Root";	1265	continue;
		1266
1138	s = rxvt_splitcommastring(p);	1267	s = rxvt_splitcommastring (p);
		1268
1139	for (i = found = 0; !found && s[i]; i++) {	1269	for (i = found = 0; !found && s[i]; i++)
		1270	{
1140	if (!STRCMP(s[i], "OverTheSpot"))	1271	if (!strcmp (s[i], "OverTheSpot"))
1141	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1272	input_style = XIMPreeditPosition | XIMStatusNothing;
1142	else if (!STRCMP(s[i], "OffTheSpot"))	1273	else if (!strcmp (s[i], "OffTheSpot"))
1143	R->input_style = (XIMPreeditArea | XIMStatusArea);	1274	input_style = XIMPreeditArea | XIMStatusArea;
1144	else if (!STRCMP(s[i], "Root"))	1275	else if (!strcmp (s[i], "Root"))
1145	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1276	input_style = XIMPreeditNothing | XIMStatusNothing;
		1277	else if (!strcmp (s[i], "None"))
		1278	input_style = XIMPreeditNone | XIMStatusNone;
		1279	#ifdef ENABLE_XIM_ONTHESPOT
		1280	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1281	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1282	#endif
		1283	else
		1284	input_style = XIMPreeditNothing | XIMStatusNothing;
1146		1285
1147	for (j = 0; j < xim_styles->count_styles; j++)	1286	for (j = 0; j < xim_styles->count_styles; j++)
1148	if (R->input_style == xim_styles->supported_styles[j]) {	1287	if (input_style == xim_styles->supported_styles[j])
		1288	{
		1289	rxvt_freecommastring (s);
		1290
1149	found = 1;	1291	found = 1;
		1292	goto foundpet;
		1293	}
		1294
		1295	}
		1296
		1297	rxvt_freecommastring (s);
		1298	}
		1299
		1300	foundpet:
		1301
		1302	XFree (xim_styles);
		1303
		1304	if (!found)
		1305	{
		1306	im_destroy ();
		1307	return false;
		1308	}
		1309
		1310	XFontSet fs = 0;
		1311	XVaNestedList preedit_attr = 0, status_attr = 0;
		1312
		1313	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1314	{
		1315	// fake us a font-set, please
		1316	char **missing_charset_list;
		1317	int missing_charset_count;
		1318	char *def_string;
		1319	char pat[512];
		1320
		1321	sprintf (pat,
		1322	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1323	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1324	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1325	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1326	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1327	"*",
		1328	fheight,
		1329	fheight + 1, fheight - 1,
		1330	fheight - 2, fheight + 2);
		1331
		1332	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1333	&missing_charset_list, &missing_charset_count, &def_string);
		1334
		1335	if (missing_charset_list)
		1336	XFreeStringList (missing_charset_list);
		1337
		1338	if (!fs)
		1339	{
		1340	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1341	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1342	}
		1343	}
		1344
		1345	if (input_style & XIMPreeditPosition)
		1346	{
		1347	im_set_size (rect);
		1348	im_set_position (spot);
		1349	im_set_color (fg, bg);
		1350
		1351	preedit_attr = XVaCreateNestedList (0,
		1352	XNForeground, fg,
		1353	XNBackground, bg,
		1354	XNArea, &rect,
		1355	XNSpotLocation, &spot,
		1356	XNFontSet, fs,
		1357	NULL);
		1358	}
		1359	else if (input_style & XIMPreeditArea)
		1360	{
		1361	im_set_color (fg, bg);
		1362
		1363	/*
		1364	* The necessary width of preedit area is unknown
		1365	* until create input context.
		1366	*/
		1367	needed_rect.width = 0;
		1368	im_set_preedit_area (rect, status_rect, needed_rect);
		1369
		1370	preedit_attr = XVaCreateNestedList (0,
		1371	XNForeground, fg,
		1372	XNBackground, bg,
		1373	XNArea, &rect,
		1374	XNFontSet, fs,
		1375	NULL);
		1376	status_attr = XVaCreateNestedList (0,
		1377	XNForeground, fg,
		1378	XNBackground, bg,
		1379	XNArea, &status_rect,
		1380	XNFontSet, fs,
		1381	NULL);
		1382	}
		1383	#if ENABLE_XIM_ONTHESPOT
		1384	else if (input_style & XIMPreeditCallbacks)
		1385	{
		1386	im_set_position (spot);
		1387
		1388	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1389	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1390	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1391	# if 0
		1392	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1393	# endif
		1394
		1395	preedit_attr = XVaCreateNestedList (0,
		1396	XNSpotLocation, &spot,
		1397	XNPreeditStartCallback, &xcb[0],
		1398	XNPreeditDoneCallback , &xcb[1],
		1399	XNPreeditDrawCallback , &xcb[2],
		1400	# if 0
		1401	XNPreeditCaretCallback, &xcb[3],
		1402	# endif
		1403	NULL);
		1404	}
		1405	#endif
		1406
		1407	Input_Context = XCreateIC (xim,
		1408	XNInputStyle, input_style,
		1409	XNClientWindow, vt,
		1410	XNFocusWindow, parent[0],
		1411	preedit_attr ? XNPreeditAttributes : NULL,
		1412	preedit_attr,
		1413	status_attr ? XNStatusAttributes : NULL,
		1414	status_attr, NULL);
		1415
		1416	if (preedit_attr) XFree (preedit_attr);
		1417	if (status_attr) XFree (status_attr);
		1418	if (fs) XFreeFontSet (dpy, fs);
		1419
		1420	if (Input_Context == NULL)
		1421	{
		1422	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1423	im_destroy ();
		1424	return false;
		1425	}
		1426
		1427	#if 0
		1428	// unfortunately, only the focus window is used by XIM, hard to fix
		1429	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1430	vt_select_input ();
		1431	#endif
		1432
		1433	IMSetPosition ();
		1434
		1435	return true;
		1436	}
		1437
		1438	void
		1439	rxvt_term::im_cb ()
		1440	{
		1441	int i;
		1442	const char *p;
		1443	char **s;
		1444	char buf[IMBUFSIZ];
		1445
		1446	make_current ();
		1447
		1448	im_destroy ();
		1449
		1450	if (Input_Context)
		1451	return;
		1452
		1453	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1454	if (rs[Rs_imLocale])
		1455	SET_LOCALE (rs[Rs_imLocale]);
		1456	#endif
		1457
		1458	p = rs[Rs_inputMethod];
		1459	if (p && *p)
		1460	{
		1461	bool found = false;
		1462
		1463	s = rxvt_splitcommastring (p);
		1464
		1465	for (i = 0; s[i]; i++)
		1466	{
		1467	if (*s[i])
		1468	{
		1469	strcpy (buf, "@im=");
		1470	strncat (buf, s[i], IMBUFSIZ - 5);
		1471	if (IM_get_IC (buf))
		1472	{
		1473	found = true;
1150	break;	1474	break;
		1475	}
1151	}	1476	}
1152	}	1477	}
1153	for (i = 0; s[i]; i++)
1154	free(s[i]);
1155	free(s);
1156	XFree(xim_styles);
1157		1478
		1479	rxvt_freecommastring (s);
		1480
1158	if (!found) {	1481	if (found)
1159	XCloseIM(xim);	1482	goto done;
1160	return False;
1161	}	1483	}
1162		1484
1163	ximcallback.callback = rxvt_IMDestroyCallback;	1485	/* try with XMODIFIERS env. var. */
		1486	if (IM_get_IC (""))
		1487	goto done;
1164		1488
1165	/* XXX: not sure why we need this (as well as IC one below) */	1489	/* try with no modifiers base IF the user didn't specify an IM */
1166	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1490	if (IM_get_IC ("@im=none"))
		1491	goto done;
1167		1492
1168	preedit_attr = status_attr = NULL;	1493	done:
1169		1494	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1170	if (R->input_style & XIMPreeditPosition) {	1495	if (rs[Rs_imLocale])
1171	rxvt_setSize(aR_ & rect);	1496	SET_LOCALE (locale);
1172	rxvt_setPosition(aR_ & spot);	1497	#endif
1173	rxvt_setColor(aR_ & fg, &bg);
1174
1175	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1176	XNSpotLocation, &spot,
1177	XNForeground, fg, XNBackground, bg,
1178	//XNFontSet, R->TermWin.fontset,
1179	NULL);
1180	} else if (R->input_style & XIMPreeditArea) {
1181	rxvt_setColor(aR_ & fg, &bg);
1182
1183	/*
1184	* The necessary width of preedit area is unknown
1185	* until create input context.
1186	*/
1187	needed_rect.width = 0;
1188
1189	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1190
1191	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1192	XNForeground, fg, XNBackground, bg,
1193	//XNFontSet, R->TermWin.fontset,
1194	NULL);
1195	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1196	XNForeground, fg, XNBackground, bg,
1197	//XNFontSet, R->TermWin.fontset,
1198	NULL);
1199	}
1200	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1201	XNClientWindow, R->TermWin.parent[0],
1202	XNFocusWindow, R->TermWin.parent[0],
1203	XNDestroyCallback, &ximcallback,
1204	preedit_attr ? XNPreeditAttributes : NULL,
1205	preedit_attr,
1206	status_attr ? XNStatusAttributes : NULL,
1207	status_attr, NULL);
1208	if (preedit_attr)
1209	XFree(preedit_attr);
1210	if (status_attr)
1211	XFree(status_attr);
1212	if (R->Input_Context == NULL) {
1213	rxvt_print_error("failed to create input context");
1214	XCloseIM(xim);
1215	return False;
1216	}
1217	if (R->input_style & XIMPreeditArea)
1218	rxvt_IMSetStatusPosition(aR);
1219	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1220	return True;
1221	}	1498	}
1222		1499
1223	/* EXTPROTO */
1224	void	1500	void
1225	rxvt_IMSetStatusPosition(pR)	1501	rxvt_term::IMSetPosition ()
1226	{	1502	{
1227	XRectangle preedit_rect, status_rect, *needed_rect;	1503	XRectangle preedit_rect, status_rect, *needed_rect;
1228	XVaNestedList preedit_attr, status_attr;	1504	XVaNestedList preedit_attr, status_attr;
1229		1505
1230	if (R->Input_Context == NULL	1506	if (!Input_Context
1231	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1507	|| !focus
		1508	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1232	|| !rxvt_IMisRunning(aR))	1509	|| !IMisRunning ())
1233	return;	1510	return;
1234		1511
		1512	if (input_style & XIMPreeditPosition)
		1513	{
		1514	im_set_size (preedit_rect);
		1515	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1516
		1517	XSetICValues (Input_Context,
		1518	XNPreeditAttributes, preedit_attr, NULL);
		1519	}
		1520	else
		1521	{
1235	/* Getting the necessary width of preedit area */	1522	/* Getting the necessary width of preedit area */
1236	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1523	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1237	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1524	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1238	XFree(status_attr);	1525	XFree (status_attr);
1239		1526
1240	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1527	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1528	XFree (needed_rect);
1241		1529
1242	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1530	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1243	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1531	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1244		1532
1245	XSetICValues(R->Input_Context,	1533	XSetICValues (Input_Context,
1246	XNPreeditAttributes, preedit_attr,	1534	XNPreeditAttributes, preedit_attr,
1247	XNStatusAttributes, status_attr, NULL);	1535	XNStatusAttributes, status_attr,
		1536	NULL);
1248		1537
		1538	XFree (status_attr);
		1539	}
		1540
1249	XFree(preedit_attr);	1541	XFree (preedit_attr);
1250	XFree(status_attr);
1251	}	1542	}
1252	#endif /* USE_XIM */	1543	#endif /* USE_XIM */
1253		1544
1254	/*----------------------------------------------------------------------*/	1545	void
1255	rxvt_t rxvt_current_term;	1546	rxvt_term::get_window_origin (int &x, int &y)
		1547	{
		1548	Window cr;
		1549	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1550	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1551	}
		1552
		1553	Pixmap
		1554	rxvt_term::get_pixmap_property (int prop_id)
		1555	{
		1556	if (prop_id > 0 && prop_id < NUM_XA)
		1557	if (xa[prop_id])
		1558	{
		1559	int aformat;
		1560	unsigned long nitems, bytes_after;
		1561	Atom atype;
		1562	unsigned char *prop = NULL;
		1563	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1564	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1565	&nitems, &bytes_after, &prop);
		1566	if (result == Success && prop && atype == XA_PIXMAP)
		1567	return *(Pixmap *)prop;
		1568	}
		1569
		1570	return None;
		1571	}
		1572
		1573	#ifdef HAVE_BG_PIXMAP
		1574	# if TRACE_PIXMAPS
		1575	# undef update_background
		1576	void
		1577	rxvt_term::trace_update_background (const char *file, int line)
		1578	{
		1579	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1580	update_background ();
		1581	}
		1582	# endif
		1583
		1584	void
		1585	rxvt_term::update_background ()
		1586	{
		1587	if (update_background_ev.is_active ())
		1588	return;
		1589
		1590	bgPixmap.invalidate ();
		1591
		1592	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1593
		1594	if (to_wait <= 0.)
		1595	bgPixmap.render ();
		1596	else
		1597	update_background_ev.start (to_wait);
		1598	}
		1599
		1600	void
		1601	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1602	{
		1603	make_current ();
		1604
		1605	update_background_ev.stop ();
		1606	bgPixmap.render ();
		1607	refresh_check ();
		1608	}
		1609
		1610	#endif /* HAVE_BG_PIXMAP */
1256		1611
1257	/*----------------------- end-of-file (C source) -----------------------*/	1612	/*----------------------- end-of-file (C source) -----------------------*/

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