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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.28 by pcg, Mon Feb 9 22:45:29 2004 UTC vs.
Revision 1.364 by sf-exg, Mon Jan 9 15:30:17 2012 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* 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>
7	* - original version	7	* - original version
…		…
11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
12	* - extensive modifications	12	* - extensive modifications
13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2010 Marc Lehmann <schmorp@schmorp.de>
16	*	17	*
17	* 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
18	* 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
19	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
20	* (at your option) any later version.	21	* (at your option) any later version.
…		…
29	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
31		32
32	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
33	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
34	#include "main.intpro" /* PROTOS for internal routines */	35	#include "init.h"
		36	#include "keyboard.h"
		37	#include "rxvtperl.h"
35		38
		39	#include <limits>
		40
		41	#include <cassert>
36	#include <signal.h>	42	#include <csignal>
37
38	#ifdef TTY_GID_SUPPORT
39	# include <grp.h>
40	#endif
41
42	#ifdef HAVE_TERMIOS_H
43	# include <termios.h>
44	#endif
45
46	#include <cstring>	43	#include <cstring>
47		44
		45	#include <termios.h>
		46
		47	#ifdef HAVE_XSETLOCALE
		48	# define X_LOCALE
		49	# include <X11/Xlocale.h>
		50	#else
		51	# ifdef HAVE_SETLOCALE
		52	# include <clocale>
		53	# endif
		54	#endif
		55
		56	struct termios rxvt_term::def_tio;
		57	vector<rxvt_term *> rxvt_term::termlist;
		58
		59	// used to tell global functions which terminal instance is "active"
		60	rxvt_t rxvt_current_term;
		61
48	static char curlocale[128];	62	static char curlocale[128], savelocale[128];
49		63
50	void	64	bool
51	rxvt_set_locale (const char *locale)	65	rxvt_set_locale (const char *locale) NOTHROW
52	{	66	{
53	if (locale && STRNCMP (locale, curlocale, 128))	67	int size = strlen (locale) + 1;
54	{	68
55	STRNCPY (curlocale, locale, 128);	69	if (size > sizeof (curlocale))
		70	rxvt_fatal ("locale string too long, aborting.\n");
		71
		72	if (!locale || !memcmp (locale, curlocale, size))
		73	return false;
		74
		75	memcpy (curlocale, locale, size);
56	setlocale (LC_CTYPE, curlocale);	76	setlocale (LC_CTYPE, curlocale);
57	}	77	return true;
58	}	78	}
59		79
60	void *	80	void
61	rxvt_term::operator new (size_t s)	81	rxvt_push_locale (const char *locale) NOTHROW
62	{	82	{
63	void *p = malloc (s);	83	strcpy (savelocale, curlocale);
		84	rxvt_set_locale (locale);
		85	}
64		86
65	MEMSET (p, 0, s);	87	void
		88	rxvt_pop_locale () NOTHROW
		89	{
		90	rxvt_set_locale (savelocale);
		91	}
		92
		93	#if ENABLE_COMBINING
		94	class rxvt_composite_vec rxvt_composite;
		95
		96	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		97	{
		98	compose_char *cc;
		99
		100	// break compose chains, as stupid readline really likes to duplicate
		101	// composing characters for some reason, near the end of a line.
		102	cc = (*this)[c1];
		103	while (cc)
		104	{
		105	if (cc->c2 == c2) return c1;
		106	cc = (*this)[cc->c1];
		107	}
		108
		109	// check to see whether this combination already exists otherwise
		110	for (cc = v.begin (); cc < v.end (); cc++)
		111	if (cc->c1 == c1 && cc->c2 == c2)
		112	return COMPOSE_LO + (cc - v.begin ());
		113
		114	// allocate a new combination
		115	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		116	{
		117	static int seen;
		118
		119	if (!seen++)
		120	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
		121
		122	return REPLACEMENT_CHAR;
		123	}
		124
		125	v.push_back (compose_char (c1, c2));
		126
		127	return v.size () - 1 + COMPOSE_LO;
		128	}
		129
		130	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		131	{
		132	compose_char *cc = (*this)[c];
		133
		134	if (!cc)
		135	{
		136	if (r) *r = c;
		137	return 1;
		138	}
		139
		140	int len = expand (cc->c1, r);
		141
		142	if (r) r += len;
		143
		144	if (cc->c2 != NOCHAR)
		145	{
		146	len++;
		147	if (r) *r++ = cc->c2;
		148	}
		149
66	return p;	150	return len;
67	}
68		151
69	void
70	rxvt_term::operator delete (void *p, size_t s)
71	{
72	free (p);
73	}	152	}
		153	#endif
74		154
75	rxvt_term::rxvt_term ()	155	rxvt_term::rxvt_term ()
76	:	156	{
77	rootwin_ev (this, &rxvt_term::rootwin_cb),	157	#if HAVE_BG_PIXMAP
78	termwin_ev (this, &rxvt_term::x_cb),	158	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
79	vt_ev (this, &rxvt_term::x_cb),
80	#ifdef HAVE_SCROLLBARS
81	scrollbar_ev (this, &rxvt_term::x_cb),
82	#endif
83	#ifdef MENUBAR
84	menubar_ev (this, &rxvt_term::x_cb), fixme
85	#endif	159	#endif
86	#ifdef CURSOR_BLINK	160	#ifdef CURSOR_BLINK
87	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),	161	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
88	#endif	162	#endif
89	#ifdef TEXT_BLINK	163	#ifdef TEXT_BLINK
90	text_blink_ev (this, &rxvt_term::text_blink_cb),	164	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		165	#endif
		166	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		167	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		168	#endif
		169	#ifdef SELECTION_SCROLLING
		170	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		171	#endif
		172	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		173	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		174	#endif
		175	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		176	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		177	#endif
		178	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		179	#ifdef USE_XIM
		180	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
91	#endif	181	#endif
92	#ifdef POINTER_BLANK	182	#ifdef POINTER_BLANK
93	pointer_ev (this, &rxvt_term::pointer_cb),	183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
94	#endif	184	#endif
95	check_ev (this, &rxvt_term::check_cb),	185	#ifndef NO_BELL
96	destroy_ev (this, &rxvt_term::destroy_cb),	186	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
97	pty_ev (this, &rxvt_term::pty_cb),	187	#endif
98	incr_ev (this, &rxvt_term::incr_cb)	188	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
99	{	189	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		190	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		191	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		192	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194
100	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;
101	}	214	}
102		215
103	rxvt_term::~rxvt_term ()	216	rxvt_term::~rxvt_term ()
104	{	217	{
		218	termlist.erase (find (termlist.begin (), termlist.end(), this));
		219
		220	emergency_cleanup ();
		221
		222	#if ENABLE_STYLES
		223	for (int i = RS_styleCount; --i; )
		224	if (fontset[i] != fontset[0])
		225	delete fontset[i];
		226	#endif
		227	delete fontset[0];
		228
		229	#ifdef HAVE_BG_PIXMAP
		230	bg_destroy ();
		231	#endif
		232
		233	if (display)
		234	{
		235	selection_clear ();
		236	selection_clear (true);
		237
		238	#ifdef USE_XIM
		239	im_destroy ();
		240	#endif
		241	scrollBar.destroy ();
		242	if (gc) XFreeGC (dpy, gc);
		243
		244	delete drawable;
		245	// destroy all windows
		246	if (parent)
		247	XDestroyWindow (dpy, parent);
		248
		249	for (int i = 0; i < TOTAL_COLORS; i++)
		250	if (ISSET_PIXCOLOR (i))
		251	{
		252	pix_colors_focused [i].free (this);
		253	#if OFF_FOCUS_FADING
		254	pix_colors_unfocused [i].free (this);
		255	#endif
		256	}
		257
		258	clear ();
		259
		260	display->flush (); /* ideally .put should do this */
		261	displays.put (display);
		262	}
		263
105	scr_release ();	264	scr_release ();
106		265
		266	/* clear all resources */
		267	for (int i = 0; i < allocated.size (); i++)
		268	free (allocated [i]);
		269
		270	free (selection.text);
		271	free (selection.clip_text);
107	free (locale);	272	free (locale);
108	free (codeset);	273	free (v_buffer);
109		274
110	#ifndef NO_SETOWNER_TTYDEV	275	delete selection_req;
111	privileged_ttydev (RESTORE);
112	#endif
113	#ifdef UTMP_SUPPORT
114	privileged_utmp (RESTORE);
115	#endif
116	#ifdef USE_XIM
117	if (Input_Context)
118	{
119	XDestroyIC (Input_Context);
120	Input_Context = NULL;
121	}
122	#endif
123		276
124	if (TermWin.parent[0])	277	delete envv;
125	XDestroyWindow (display->display, TermWin.parent[0]);	278	delete argv;
126		279
127	// TODO: free pixcolours, colours should become part of rxvt_display	280	#ifdef KEYSYM_RESOURCE
		281	delete keyboard;
		282	#endif
		283	#ifndef NO_RESOURCES
		284	XrmDestroyDatabase (option_db);
		285	#endif
		286	}
128		287
129	delete PixColors;	288	// child has exited, usually destroys
		289	void
		290	rxvt_term::child_cb (ev::child &w, int status)
		291	{
		292	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
130		293
131	if (cmd_fd >= 0)	294	cmd_pid = 0;
132	close (cmd_fd);	295
		296	if (!option (Opt_hold))
		297	destroy ();
		298	}
		299
		300	void
		301	rxvt_term::destroy ()
		302	{
		303	if (destroy_ev.is_active ())
		304	return;
		305
		306	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		307
		308	#if ENABLE_OVERLAY
		309	scr_overlay_off ();
		310	#endif
133		311
134	if (display)	312	if (display)
135	displays.release (display);
136	}
137
138	void
139	rxvt_term::destroy ()
140	{
141	if (display)
142	{	313	{
		314	#if USE_XIM
		315	im_ev.stop (display);
		316	#endif
		317	scrollbar_ev.stop (display);
		318	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		319	rootwin_ev.stop (display);
		320	#endif
143	termwin_ev.stop (display);	321	termwin_ev.stop (display);
144	vt_ev.stop (display);	322	vt_ev.stop (display);
145	#ifdef HAVE_SCROLLBARS
146	scrollbar_ev.stop (display);
147	#endif
148	#ifdef MENUBAR
149	menubar_ev.stop (display);
150	#endif
151	}	323	}
152		324
153	check_ev.stop ();	325	flush_ev.stop ();
154	pty_ev.stop ();	326	pty_ev.stop ();
155	#ifdef CURSOR_BLINK	327	#ifdef CURSOR_BLINK
156	cursor_blink_ev.stop ();	328	cursor_blink_ev.stop ();
157	#endif	329	#endif
158	#ifdef TEXT_BLINK	330	#ifdef TEXT_BLINK
159	text_blink_ev.stop ();	331	text_blink_ev.stop ();
160	#endif	332	#endif
		333	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		334	cont_scroll_ev.stop ();
		335	#endif
		336	#ifdef SELECTION_SCROLLING
		337	sel_scroll_ev.stop ();
		338	#endif
161	#ifdef POINTER_BLANK	339	#ifdef POINTER_BLANK
162	pointer_ev.stop ();	340	pointer_ev.stop ();
163	#endif	341	#endif
164		342
165	destroy_ev.start (0);	343	destroy_ev.start ();
166	}	344	}
167		345
168	void	346	void
169	rxvt_term::destroy_cb (time_watcher &w)	347	rxvt_term::destroy_cb (ev::idle &w, int revents)
170	{	348	{
171	SET_R (this);	349	make_current ();
172		350
173	delete this;	351	delete this;
174	}	352	}
175		353
176	/*----------------------------------------------------------------------*/
177	/* rxvt_init() */
178	/* LIBPROTO */
179	rxvt_t
180	rxvt_init (int argc, const char *const *argv)
181	{
182	SET_R (new rxvt_term);
183
184	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
185	{
186	delete GET_R;
187	SET_R (0);
188	}
189
190	return GET_R;
191	}
192
193	static int (*old_xerror_handler)(Display *dpy, XErrorEvent *event);
194
195	void	354	void
196	rxvt_init_signals ()	355	rxvt_term::set_option (uint8_t opt, bool set)
197	{	356	{
198	/* install exit handler for cleanup */	357	if (!opt)
199	#if 0
200	#ifdef HAVE_ATEXIT
201	atexit(rxvt_clean_exit);
202	#else
203	#endif
204	#endif
205
206	struct sigaction sa;
207
208	sigfillset (&sa.sa_mask);
209	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
210	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
211	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
212	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
213	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
214	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
215	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
216
217	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
218	/* signal (SIGURG, SIG_DFL); */
219
220	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
221	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
222	}
223
224	bool
225	rxvt_term::init (int argc, const char *const *argv)
226	{
227	/*
228	* Save and then give up any super-user privileges
229	* If we need privileges in any area then we must specifically request it.
230	* We should only need to be root in these cases:
231	* 1. write utmp entries on some systems
232	* 2. chown tty on some systems
233	*/
234	privileges (SAVE);
235	privileges (IGNORE);
236
237	init_secondary ();
238
239	const char **cmd_argv = init_resources (argc, argv);
240
241	set_locale ("");
242
243	#if (MENUBAR_MAX)
244	menubar_read (rs[Rs_menu]);
245	#endif
246	#ifdef HAVE_SCROLLBARS
247	if (Options & Opt_scrollBar)
248	scrollBar.setIdle (); /* set existence for size calculations */
249	#endif
250
251	create_windows (argc, argv);
252
253	init_xlocale ();
254
255	scr_reset (); /* initialize screen */
256	#ifdef RXVT_GRAPHICS
257	Gr_reset (); /* reset graphics */
258	#endif
259
260	#if 0
261	#ifdef DEBUG_X
262	XSynchronize(display->display, True);
263	#endif
264	#endif
265
266	#ifdef HAVE_SCROLLBARS
267	if (Options & Opt_scrollBar)
268	resize_scrollbar (); /* create and map scrollbar */
269	#endif
270	#if (MENUBAR_MAX)
271	if (menubar_visible(r))
272	XMapWindow (display->display, menuBar.win);
273	#endif
274	#ifdef TRANSPARENT
275	if (Options & Opt_transparent)
276	{
277	XSelectInput (display->display, display->root, PropertyChangeMask);
278	check_our_parents ();
279	}
280	#endif
281
282	rootwin_ev.start (display, display->root);
283
284	XMapWindow (display->display, TermWin.vt);
285	XMapWindow (display->display, TermWin.parent[0]);
286
287	init_env ();
288	init_command (cmd_argv);
289
290	pty_ev.start (cmd_fd, EVENT_READ);
291
292	check_ev.start ();
293
294	return true;
295	}
296
297	/* ------------------------------------------------------------------------- *
298	* SIGNAL HANDLING & EXIT HANDLER *
299	* ------------------------------------------------------------------------- */
300	/*
301	* Catch a SIGCHLD signal and exit if the direct child has died
302	*/
303	/* ARGSUSED */
304	/* EXTPROTO */
305	RETSIGTYPE
306	rxvt_Child_signal(int sig __attribute__ ((unused)))
307	{
308	int pid, save_errno = errno;
309	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
310	;
311	errno = save_errno;
312
313	#if 0
314	if (pid == cmd_pid)
315	exit (EXIT_SUCCESS);
316	#endif
317	}
318
319	/*
320	* Catch a fatal signal and tidy up before quitting
321	*/
322	/* EXTPROTO */
323	RETSIGTYPE
324	rxvt_Exit_signal(int sig)
325	{
326	signal(sig, SIG_DFL);
327	#ifdef DEBUG_CMD
328	rxvt_print_error("signal %d", sig);
329	#endif
330	rxvt_clean_exit();
331	kill(getpid(), sig);
332	}
333
334	/* INTPROTO */
335	int
336	rxvt_xerror_handler (Display *display, XErrorEvent *event)
337	{
338	if (GET_R->allowedxerror == -1)
339	GET_R->allowedxerror = event->error_code;
340	else
341	{
342	old_xerror_handler (display, event);
343	GET_R->destroy ();
344	}
345
346	return 0;	358	return;
		359
		360	uint8_t mask = 1 << (opt & 7);
		361	uint8_t &val = options [opt >> 3];
		362
		363	val = val & ~mask | (set ? mask : 0);
347	}	364	}
348		365
349	/*----------------------------------------------------------------------*/	366	/*----------------------------------------------------------------------*/
350	/*	367	/*
351	* Exit gracefully, clearing the utmp entry and restoring tty attributes	368	* Exit gracefully, clearing the utmp entry and restoring tty attributes
352	* TODO: if debugging, this should free up any known resources if we can	369	* TODO: if debugging, this should free up any known resources if we can
353	*/	370	*/
354	/* EXTPROTO */	371	static XErrorHandler old_xerror_handler;
355	void
356	rxvt_clean_exit ()
357	{
358	GET_R->destroy ();
359	}
360		372
361	/* ------------------------------------------------------------------------- *	373	static void
362	* MEMORY ALLOCATION WRAPPERS *	374	rxvt_emergency_cleanup ()
363	* ------------------------------------------------------------------------- */
364	/* EXTPROTO */
365	void *
366	rxvt_malloc(size_t size)
367	{	375	{
368	void *p;	376	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
369		377	(*t)->emergency_cleanup ();
370	p = malloc(size);
371	if (p)
372	return p;
373
374	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
375	rxvt_clean_exit();
376	exit(EXIT_FAILURE);
377	/* NOTREACHED */
378	}	378	}
379		379
380	/* EXTPROTO */	380	#if !ENABLE_MINIMAL
381	void *	381	static void
382	rxvt_calloc(size_t number, size_t size)	382	print_x_error (Display *dpy, XErrorEvent *event)
383	{	383	{
384	void *p;	384	char buffer[BUFSIZ];
385		385	char mesg[BUFSIZ];
386	p = calloc(number, size);	386	char number[32];
387	if (p)	387	const char mtype[] = "XlibMessage";
388	return p;	388	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
389		389	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
390	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	390	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
391	rxvt_clean_exit();	391	rxvt_warn ("%s: %s\n", mesg, buffer);
392	exit(EXIT_FAILURE);	392	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
393	/* NOTREACHED */	393	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		394	sprintf(number, "%d", event->request_code);
		395	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		396	rxvt_warn ("(which is %s)\n", buffer);
		397	if (event->request_code >= 128) {
		398	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		399	mesg, BUFSIZ);
		400	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		401	}
		402	if ((event->error_code == BadWindow) ||
		403	(event->error_code == BadPixmap) ||
		404	(event->error_code == BadCursor) ||
		405	(event->error_code == BadFont) ||
		406	(event->error_code == BadDrawable) ||
		407	(event->error_code == BadColor) ||
		408	(event->error_code == BadGC) ||
		409	(event->error_code == BadIDChoice) ||
		410	(event->error_code == BadValue) ||
		411	(event->error_code == BadAtom)) {
		412	if (event->error_code == BadValue)
		413	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		414	mesg, BUFSIZ);
		415	else if (event->error_code == BadAtom)
		416	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		417	mesg, BUFSIZ);
		418	else
		419	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		420	mesg, BUFSIZ);
		421	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		422	}
		423	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		424	mesg, BUFSIZ);
		425	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
394	}	426	}
		427	#endif
395		428
396	/* EXTPROTO */	429	int
397	void *	430	rxvt_xerror_handler (Display *display, XErrorEvent *event)
398	rxvt_realloc(void *ptr, size_t size)
399	{	431	{
400	void *p;	432	if (GET_R->allowedxerror == -1)
401		433	GET_R->allowedxerror = event->error_code;
402	if (ptr)
403	p = realloc(ptr, size);
404	else	434	else
405	p = malloc(size);	435	{
406	if (p)	436	// GET_R is most likely not the terminal which caused the error,
		437	// so just output the error and continue
		438	#if ENABLE_MINIMAL
		439	old_xerror_handler (display, event);
		440	#else
		441	print_x_error (display, event);
		442	#endif
		443	}
		444
407	return p;	445	return 0;
		446	}
408		447
409	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	448	int
410	rxvt_clean_exit();	449	rxvt_xioerror_handler (Display *display)
		450	{
		451	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		452	DisplayString (display));
		453	rxvt_emergency_cleanup ();
411	exit(EXIT_FAILURE);	454	_exit (EXIT_FAILURE);
412	/* NOTREACHED */
413	}	455	}
414		456
415	/* ------------------------------------------------------------------------- *	457	static struct sig_handlers
416	* PRIVILEGED OPERATIONS *
417	* ------------------------------------------------------------------------- */
418	/* take care of suid/sgid super-user (root) privileges */
419	void
420	rxvt_term::privileges (int mode)
421	{	458	{
422	#if ! defined(__CYGWIN32__)	459	ev::sig sw_term, sw_int;
423	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	460
424	/* setreuid() is the poor man's setuid(), seteuid() */	461	/*
425	# define seteuid(a) setreuid(-1, (a))	462	* Catch a fatal signal and tidy up before quitting
426	# define setegid(a) setregid(-1, (a))	463	*/
427	# define HAVE_SETEUID	464	void sig_term (ev::sig &w, int revents);
		465
		466	sig_handlers ()
		467	{
		468	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		469	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
		470	}
		471	} sig_handlers;
		472
		473	void
		474	sig_handlers::sig_term (ev::sig &w, int revents)
		475	{
		476	rxvt_emergency_cleanup ();
		477	w.stop ();
		478	kill (getpid (), w.signum);
		479	}
		480
		481	static void
		482	rxvt_get_ttymode (struct termios *tio)
		483	{
		484	if (tcgetattr (STDIN_FILENO, tio) < 0)
		485	memset (tio, 0, sizeof (struct termios));
		486
		487	for (int i = 0; i < NCCS; i++)
		488	tio->c_cc[i] = VDISABLE;
		489
		490	tio->c_cc[VINTR] = CINTR;
		491	tio->c_cc[VQUIT] = CQUIT;
		492	tio->c_cc[VERASE] = CERASE;
		493	#ifdef VERASE2
		494	tio->c_cc[VERASE2] = CERASE2;
		495	#endif
		496	tio->c_cc[VKILL] = CKILL;
		497	tio->c_cc[VEOF] = CEOF;
		498	tio->c_cc[VSTART] = CSTART;
		499	tio->c_cc[VSTOP] = CSTOP;
		500	tio->c_cc[VSUSP] = CSUSP;
		501	# ifdef VDSUSP
		502	tio->c_cc[VDSUSP] = CDSUSP;
428	# endif	503	# endif
429	# ifdef HAVE_SETEUID	504	# ifdef VREPRINT
430	switch (mode)	505	tio->c_cc[VREPRINT] = CRPRNT;
431	{
432	case IGNORE:
433	/*
434	* change effective uid/gid - not real uid/gid - so we can switch
435	* back to root later, as required
436	*/
437	seteuid(getuid());
438	setegid(getgid());
439	break;
440	case SAVE:
441	euid = geteuid();
442	egid = getegid();
443	break;
444	case RESTORE:
445	seteuid(euid);
446	setegid(egid);
447	break;
448	}
449	# else
450	switch (mode)
451	{
452	case IGNORE:
453	setuid(getuid());
454	setgid(getgid());
455	/* FALLTHROUGH */
456	case SAVE:
457	/* FALLTHROUGH */
458	case RESTORE:
459	break;
460	}
461	# endif	506	# endif
462	#endif	507	# ifdef VDISCRD
463	}	508	tio->c_cc[VDISCRD] = CFLUSH;
464
465	#ifdef UTMP_SUPPORT
466	void
467	rxvt_term::privileged_utmp (char action)
468	{
469	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
470	action, next_utmp_action, getpid()));
471	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
472	|| (Options & Opt_utmpInhibit)
473	|| ttydev == NULL || *ttydev == '\0')
474	return;
475
476	privileges (RESTORE);
477	if (action == SAVE)
478	{
479	next_utmp_action = RESTORE;
480	makeutent (ttydev, rs[Rs_display_name]);
481	}
482	else
483	{ /* action == RESTORE */
484	next_utmp_action = IGNORE;
485	cleanutent ();
486	}
487	privileges (IGNORE);
488	}
489	#endif
490
491	#ifndef NO_SETOWNER_TTYDEV
492	void
493	rxvt_term::privileged_ttydev (char action)
494	{
495	D_MAIN((stderr,
496	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
497	action, next_tty_action, getpid()));
498	if (next_tty_action != action || (action != SAVE && action != RESTORE)
499	|| ttydev == NULL || *ttydev == '\0')
500	return;
501
502	privileges (RESTORE);
503
504	if (action == SAVE)
505	{
506	next_tty_action = RESTORE;
507	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
508	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
509	if (lstat(ttydev, &ttyfd_stat) < 0) /* you lose out */
510	next_tty_action = IGNORE;
511	else
512	# endif	509	# endif
513		510	# ifdef VWERSE
514	{	511	tio->c_cc[VWERSE] = CWERASE;
515	chown(ttydev, getuid(), ttygid); /* fail silently */
516	chmod(ttydev, ttymode);
517	# ifdef HAVE_REVOKE
518	revoke(ttydev);
519	# endif	512	# endif
520		513	# ifdef VLNEXT
521	}	514	tio->c_cc[VLNEXT] = CLNEXT;
522	}
523	else
524	{ /* action == RESTORE */
525	next_tty_action = IGNORE;
526	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
527	chmod(ttydev, ttyfd_stat.st_mode);
528	chown(ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
529	# else
530	chmod(ttydev,
531	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
532	chown(ttydev, 0, 0);
533	# endif	515	# endif
534		516	# ifdef VSTATUS
535	}	517	tio->c_cc[VSTATUS] = CSTATUS;
536
537	privileges (IGNORE);
538
539	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
540	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
541	action == RESTORE ? "Restoring" : (action ==
542	SAVE ? "Saving" :
543	"UNKNOWN ERROR for"), ttydev,
544	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
545	ttyfd_stat.st_gid));
546	# endif	518	# endif
547	}	519
		520	# if VMIN != VEOF
		521	tio->c_cc[VMIN] = 1;
548	#endif	522	# endif
		523	# if VTIME != VEOL
		524	tio->c_cc[VTIME] = 0;
		525	# endif
		526
		527	/* input modes */
		528	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		529	# ifdef IMAXBEL
		530	| IMAXBEL
		531	# endif
		532	| IXON);
		533
		534	/* output modes */
		535	tio->c_oflag = (OPOST | ONLCR);
		536
		537	/* control modes */
		538	tio->c_cflag = (CS8 | CREAD);
		539
		540	/* local modes */
		541	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		542	# if defined (ECHOCTL) && defined (ECHOKE)
		543	| ECHOCTL | ECHOKE
		544	# endif
		545	| ECHOE | ECHOK);
		546	}
		547
		548	char **rxvt_environ; // startup environment
		549
		550	void
		551	rxvt_init ()
		552	{
		553	assert (("fontMask must not overlap other RS masks",
		554	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		555
		556	rxvt_get_ttymode (&rxvt_term::def_tio);
		557
		558	// get rid of stdin/stdout as we don't need them, to free resources
		559	dup2 (STDERR_FILENO, STDIN_FILENO);
		560	dup2 (STDERR_FILENO, STDOUT_FILENO);
		561
		562	if (!ev_default_loop ())
		563	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		564
		565	rxvt_environ = environ;
		566
		567	signal (SIGHUP, SIG_IGN);
		568	signal (SIGPIPE, SIG_IGN);
		569
		570	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		571	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		572
		573	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		574	// TODO: handle this with exceptions and tolerate the memory loss
		575	XSetIOErrorHandler (rxvt_xioerror_handler);
		576
		577	XrmInitialize ();
		578	}
549		579
550	/*----------------------------------------------------------------------*/	580	/*----------------------------------------------------------------------*/
551	/*	581	/*
552	* window size/position calculcations for XSizeHint and other storage.	582	* window size/position calculations for XSizeHint and other storage.
553	* if width/height are non-zero then override calculated width/height	583	* if width/height are non-zero then override calculated width/height
554	*/	584	*/
555	void	585	void
556	rxvt_term::window_calc (unsigned int width, unsigned int height)	586	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
557	{	587	{
558	short recalc_x, recalc_y;	588	short recalc_x, recalc_y;
559	int x, y, sb_w, mb_h, flags;	589	int x, y, flags;
560	unsigned int w, h;	590	unsigned int w, h;
561	unsigned int max_width, max_height;	591	unsigned int max_width, max_height;
562		592
563	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
564	TermWin.ncol, TermWin.nrow, szHint.width,
565	szHint.height));
566	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	593	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
567	szHint.win_gravity = NorthWestGravity;	594	szHint.win_gravity = NorthWestGravity;
568	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	595	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
569		596
570	recalc_x = recalc_y = 0;	597	recalc_x = recalc_y = 0;
571	flags = 0;	598	flags = 0;
		599
572	if (!parsed_geometry)	600	if (!parsed_geometry)
573	{	601	{
574	parsed_geometry = 1;	602	parsed_geometry = 1;
		603
575	if (rs[Rs_geometry])	604	if (rs[Rs_geometry])
576	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	605	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		606
577	if (flags & WidthValue)	607	if (flags & WidthValue)
578	{	608	{
579	TermWin.ncol = BOUND_POSITIVE_INT16(w);	609	if (!w)
		610	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		611
		612	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
580	szHint.flags |= USSize;	613	szHint.flags |= USSize;
581	}	614	}
		615
582	if (flags & HeightValue)	616	if (flags & HeightValue)
583	{	617	{
584	TermWin.nrow = BOUND_POSITIVE_INT16(h);	618	if (!h)
		619	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		620
		621	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
585	szHint.flags |= USSize;	622	szHint.flags |= USSize;
586	}	623	}
		624
587	if (flags & XValue)	625	if (flags & XValue)
588	{	626	{
589	szHint.x = x;	627	szHint.x = x;
590	szHint.flags |= USPosition;	628	szHint.flags |= USPosition;
		629
591	if (flags & XNegative)	630	if (flags & XNegative)
592	{	631	{
593	recalc_x = 1;	632	recalc_x = 1;
594	szHint.win_gravity = NorthEastGravity;	633	szHint.win_gravity = NorthEastGravity;
595	}	634	}
596	}	635	}
		636
597	if (flags & YValue)	637	if (flags & YValue)
598	{	638	{
599	szHint.y = y;	639	szHint.y = y;
600	szHint.flags |= USPosition;	640	szHint.flags |= USPosition;
		641
601	if (flags & YNegative)	642	if (flags & YNegative)
602	{	643	{
603	recalc_y = 1;	644	recalc_y = 1;
		645
604	if (szHint.win_gravity == NorthEastGravity)	646	if (szHint.win_gravity == NorthEastGravity)
605	szHint.win_gravity = SouthEastGravity;	647	szHint.win_gravity = SouthEastGravity;
606	else	648	else
607	szHint.win_gravity = SouthWestGravity;	649	szHint.win_gravity = SouthWestGravity;
608	}	650	}
609	}	651	}
610	}	652	}
		653
611	/* TODO: BOUNDS */	654	/* TODO: BOUNDS */
612	TermWin.width = TermWin.ncol * TermWin.fwidth;	655	width = ncol * fwidth;
613	TermWin.height = TermWin.nrow * TermWin.fheight;	656	height = nrow * fheight;
614	max_width = MAX_COLS * TermWin.fwidth;	657	max_width = MAX_COLS * fwidth;
615	max_height = MAX_ROWS * TermWin.fheight;	658	max_height = MAX_ROWS * fheight;
616		659
617	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	660	szHint.base_width = szHint.base_height = 2 * int_bwidth;
618		661
619	sb_w = mb_h = 0;
620	window_vt_x = window_vt_y = 0;	662	window_vt_x = window_vt_y = int_bwidth;
621	if (scrollbar_visible ())	663
		664	if (scrollBar.state)
622	{	665	{
623	sb_w = scrollbar_TotalWidth();	666	int sb_w = scrollBar.total_width ();
624	szHint.base_width += sb_w;	667	szHint.base_width += sb_w;
		668
625	if (!(Options & Opt_scrollBar_right))	669	if (!option (Opt_scrollBar_right))
626	window_vt_x = sb_w;	670	window_vt_x += sb_w;
627	}
628	if (menubar_visible ())
629	{	671	}
630	mb_h = menuBar_TotalHeight();	672
631	szHint.base_height += mb_h;
632	window_vt_y = mb_h;
633	}
634	szHint.width_inc = TermWin.fwidth;	673	szHint.width_inc = fwidth;
635	szHint.height_inc = TermWin.fheight;	674	szHint.height_inc = fheight;
636	szHint.min_width = szHint.base_width + szHint.width_inc;	675	szHint.min_width = szHint.base_width + szHint.width_inc;
637	szHint.min_height = szHint.base_height + szHint.height_inc;	676	szHint.min_height = szHint.base_height + szHint.height_inc;
638		677
639	if (width && width - szHint.base_width < max_width)	678	if (newwidth && newwidth - szHint.base_width < max_width)
640	{	679	{
641	szHint.width = width;	680	szHint.width = newwidth;
642	TermWin.width = width - szHint.base_width;	681	width = newwidth - szHint.base_width;
643	}	682	}
644	else	683	else
645	{	684	{
646	MIN_IT(TermWin.width, max_width);	685	min_it (width, max_width);
647	szHint.width = szHint.base_width + TermWin.width;	686	szHint.width = szHint.base_width + width;
648	}	687	}
		688
649	if (height && height - szHint.base_height < max_height)	689	if (newheight && newheight - szHint.base_height < max_height)
650	{	690	{
651	szHint.height = height;	691	szHint.height = newheight;
652	TermWin.height = height - szHint.base_height;	692	height = newheight - szHint.base_height;
653	}	693	}
654	else	694	else
655	{	695	{
656	MIN_IT(TermWin.height, max_height);	696	min_it (height, max_height);
657	szHint.height = szHint.base_height + TermWin.height;	697	szHint.height = szHint.base_height + height;
658	}	698	}
659	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
660	window_sb_x = szHint.width - sb_w;
661		699
662	if (recalc_x)	700	if (recalc_x)
663	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	701	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
664	- szHint.width - 2 * TermWin.ext_bwidth);	702
665	if (recalc_y)	703	if (recalc_y)
666	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	704	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
667	- szHint.height - 2 * TermWin.ext_bwidth);
668		705
669	TermWin.ncol = TermWin.width / TermWin.fwidth;	706	ncol = width / fwidth;
670	TermWin.nrow = TermWin.height / TermWin.fheight;	707	nrow = height / fheight;
671	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	708
672	TermWin.ncol, TermWin.nrow, szHint.width,	709	// When the size of the vt window is not a multiple of the cell
673	szHint.height));	710	// size, i.e., when the wm does not honour our size hints, there are
674	return;	711	// extra areas not covered by the terminal screen. Such gaps, when a
		712	// bg pixmap is set, would have to be cleared manually to properly
		713	// refresh the background. We take the simpler route and shrink the
		714	// vt window so as to avoid creating gaps.
		715	width = ncol * fwidth;
		716	height = nrow * fheight;
675	}	717	}
676		718
677	/*----------------------------------------------------------------------*/	719	/*----------------------------------------------------------------------*/
678	/*	720	/*
679	* Tell the teletype handler what size the window is.	721	* Tell the teletype handler what size the window is.
680	* Called after a window size change.	722	* Called after a window size change.
681	*/	723	*/
682	void	724	void
683	rxvt_term::tt_winch ()	725	rxvt_term::tt_winch ()
684	{	726	{
		727	if (pty->pty < 0)
		728	return;
		729
685	struct winsize ws;	730	struct winsize ws;
686		731
687	if (cmd_fd < 0)
688	return;
689
690	ws.ws_col = TermWin.ncol;	732	ws.ws_col = ncol;
691	ws.ws_row = TermWin.nrow;	733	ws.ws_row = nrow;
692	ws.ws_xpixel = ws.ws_ypixel = 0;	734	ws.ws_xpixel = width;
693	#ifndef DEBUG_SIZE	735	ws.ws_ypixel = height;
694	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	736	ioctl (pty->pty, TIOCSWINSZ, &ws);
		737
		738	#if 0
		739	// TIOCSWINSZ is supposed to do this automatically and correctly
		740	if (cmd_pid) /* force through to the command */
		741	kill (-cmd_pid, SIGWINCH);
		742	#endif
		743	}
		744
		745	/*----------------------------------------------------------------------*/
		746	/* load and set the various fonts */
		747	bool
		748	rxvt_term::set_fonts ()
		749	{
		750	rxvt_fontset *fs = new rxvt_fontset (this);
		751	rxvt_fontprop prop;
		752
		753	if (!fs
		754	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		755	|| !fs->realize_font (1))
		756	{
		757	delete fs;
		758	return false;
		759	}
		760
		761	#if ENABLE_STYLES
		762	for (int i = RS_styleCount; --i; )
		763	if (fontset[i] != fontset[0])
		764	delete fontset[i];
		765	#endif
		766
		767	delete fontset[0];
		768	fontset[0] = fs;
		769
		770	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		771	prop.height += lineSpace;
		772	prop.width += letterSpace;
		773
		774	fs->set_prop (prop, false);
		775
		776	fwidth = prop.width;
		777	fheight = prop.height;
		778	fbase = prop.ascent;
		779
		780	for (int style = 1; style < 4; style++)
		781	{
		782	#if ENABLE_STYLES
		783	const char *res = rs[Rs_font + style];
		784
		785	if (res && !*res)
		786	fontset[style] = fontset[0];
		787	else
		788	{
		789	fontset[style] = fs = new rxvt_fontset (this);
		790	rxvt_fontprop prop2 = prop;
		791
		792	if (res)
		793	{
		794	fs->populate (res);
		795	fs->set_prop (prop2, false);
		796	}
		797	else
		798	{
		799	fs->populate (fontset[0]->fontdesc);
		800
		801	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		802	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		803
		804	fs->set_prop (prop2, true);
		805	}
		806
		807	}
695	#else	808	#else
696	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	809	fontset[style] = fontset[0];
697	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
698	# ifdef SIGWINCH
699	else if (cmd_pid) /* force through to the command */
700	kill (cmd_pid, SIGWINCH);
701	# endif	810	#endif
702	#endif	811	}
703	}
704		812
705	/*----------------------------------------------------------------------*/	813	if (parent)
706	/* rxvt_change_font() - Switch to a new font */	814	{
707	/*	815	resize_all_windows (0, 0, 0);
708	* init = 1 - initialize	816	scr_remap_chars ();
709	*	817	scr_touch (true);
710	* fontname == FONT_UP - switch to bigger font	818	}
711	* fontname == FONT_DN - switch to smaller font
712	*/
713	void
714	rxvt_term::change_font (int init, const char *fontname)
715	{}
716		819
		820	return true;
		821	}
		822
717	void	823	void
718	rxvt_term::font_up_down (int n, int direction)	824	rxvt_term::set_string_property (Atom prop, const char *str, int len)
719	{}	825	{
		826	XChangeProperty (dpy, parent,
		827	prop, XA_STRING, 8, PropModeReplace,
		828	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		829	}
		830
		831	void
		832	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		833	{
		834	XTextProperty ct;
		835
		836	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		837	{
		838	XSetTextProperty (dpy, parent, &ct, prop);
		839	XFree (ct.value);
		840	}
		841	}
		842
		843	void
		844	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		845	{
		846	wchar_t *ws = rxvt_mbstowcs (str, len);
		847	char *s = rxvt_wcstoutf8 (ws);
		848
		849	XChangeProperty (dpy, parent,
		850	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		851	(const unsigned char *)s, strlen (s));
		852
		853	free (s);
		854	free (ws);
		855	}
720		856
721	/*----------------------------------------------------------------------*/	857	/*----------------------------------------------------------------------*/
722	/*----------------------------------------------------------------------*/	858	/*----------------------------------------------------------------------*/
723	/* xterm sequences - title, iconName, color (exptl) */	859	/* xterm sequences - title, iconName, color (exptl) */
724	void	860	void
725	rxvt_term::set_title (const char *str)	861	rxvt_term::set_title (const char *str)
726	{	862	{
727	#ifndef SMART_WINDOW_TITLE	863	set_mbstring_property (XA_WM_NAME, str);
728	XStoreName(display->display, TermWin.parent[0], str);	864	#if ENABLE_EWMH
729	#else	865	set_utf8_property (xa[XA_NET_WM_NAME], str);
730	char *name;
731
732	if (XFetchName(display->display, TermWin.parent[0], &name) == 0)
733	name = NULL;
734	if (name == NULL || STRCMP(name, str))
735	XStoreName(display->display, TermWin.parent[0], str);
736	if (name)
737	XFree(name);
738	#endif	866	#endif
739	}	867	}
740		868
741	void	869	void
742	rxvt_term::set_iconName (const char *str)	870	rxvt_term::set_icon_name (const char *str)
743	{	871	{
744	#ifndef SMART_WINDOW_TITLE	872	set_mbstring_property (XA_WM_ICON_NAME, str);
745	XSetIconName(display->display, TermWin.parent[0], str);	873	#if ENABLE_EWMH
746	#else	874	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
747	char *name;
748
749	if (XGetIconName(display->display, TermWin.parent[0], &name))
750	name = NULL;
751	if (name == NULL || STRCMP(name, str))
752	XSetIconName(display->display, TermWin.parent[0], str);
753	if (name)
754	XFree(name);
755	#endif	875	#endif
756	}	876	}
757		877
		878	void
		879	rxvt_term::set_window_color (int idx, const char *color)
		880	{
758	#ifdef XTERM_COLOR_CHANGE	881	#ifdef XTERM_COLOR_CHANGE
759	void
760	rxvt_term::set_window_color (int idx, const char *color)
761	{
762	rxvt_color xcol;	882	rxvt_color xcol;
763	int i;
764		883
765	if (color == NULL || *color == '\0')	884	if (color == NULL || *color == '\0')
766	return;	885	return;
767		886
		887	color = strdup (color);
		888	allocated.push_back ((void *)color);
		889	rs[Rs_color + idx] = color;
		890
768	/* handle color aliases */	891	/* handle color aliases */
769	if (isdigit(*color))	892	if (isdigit (*color))
770	{	893	{
771	i = atoi(color);	894	int i = atoi (color);
		895
772	if (i >= 8 && i <= 15)	896	if (i >= 8 && i <= 15)
		897	{
773	{ /* bright colors */	898	/* bright colors */
774	i -= 8;
775	# ifndef NO_BRIGHTCOLOR
776	PixColors[idx] = PixColors[minBrightCOLOR + i];	899	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
777	SET_PIXCOLOR(idx);
778	goto Done;	900	goto done;
779	# endif
780
781	}	901	}
		902
782	if (i >= 0 && i <= 7)	903	if (i >= 0 && i <= 7)
		904	{
783	{ /* normal colors */	905	/* normal colors */
784	PixColors[idx] = PixColors[minCOLOR + i];	906	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
785	SET_PIXCOLOR(idx);
786	goto Done;	907	goto done;
787	}	908	}
788	}	909	}
789	if (!rXParseAllocColor (& xcol, color))	910
790	return;	911	set_color (xcol, color);
791	/* XStoreColor (display->display, XCMAP, XColor*); */
792		912
793	/*	913	/*
794	* FIXME: should free colors here, but no idea how to do it so instead,	914	* FIXME: should free colors here, but no idea how to do it so instead,
795	* so just keep gobbling up the colormap	915	* so just keep gobbling up the colormap
796	*/	916	*/
797	# if 0
798	for (i = Color_Black; i <= Color_White; i++)
799	if (PixColors[idx] == PixColors[i])
800	break;
801	if (i > Color_White)
802	{
803	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
804	XFreeColors(display->display, XCMAP, (PixColors + idx), 1,
805	DisplayPlanes(display->display, display->screen));
806	}
807	# endif
808		917
809	PixColors[idx] = xcol;	918	pix_colors_focused[idx] = xcol;
810	SET_PIXCOLOR(idx);
811		919
812	/* XSetWindowAttributes attr; */
813	/* Cursor cursor; */
814	Done:	920	done:
815	if (idx == Color_bg && !(Options & Opt_transparent))
816	XSetWindowBackground(display->display, TermWin.vt,
817	PixColors[Color_bg]);
818
819	/* handle Color_BD, scrollbar background, etc. */	921	/*TODO: handle Color_BD, scrollbar background, etc. */
820		922
821	set_colorfgbg ();	923	update_fade_color (idx);
822	recolour_cursor ();	924	recolour_cursor ();
823	/* the only reasonable way to enforce a clean update */	925	scr_recolour ();
824	scr_poweron ();	926	#endif /* XTERM_COLOR_CHANGE */
825	}	927	}
826
827	#else
828	# define set_window_color (idx,color) ((void)0)
829	#endif /* XTERM_COLOR_CHANGE */
830		928
831	void	929	void
832	rxvt_term::recolour_cursor ()	930	rxvt_term::recolour_cursor ()
833	{	931	{
834	#if TODO	932	XColor fg, bg;
835	rxvt_color xcol[2];
836		933
837	xcol[0] = PixColors[Color_pointer];	934	(ISSET_PIXCOLOR (Color_pointer_fg)
838	xcol[1] = PixColors[Color_bg];	935	? pix_colors_focused[Color_pointer_fg]
839	XQueryColors (display->display, XCMAP, xcol, 2);	936	: pix_colors_focused[Color_fg]).get (fg);
840	XRecolorCursor (display->display, TermWin_cursor, &(xcol[0]), &(xcol[1]));	937
841	#endif	938	(ISSET_PIXCOLOR (Color_pointer_bg)
		939	? pix_colors_focused[Color_pointer_bg]
		940	: pix_colors_focused[Color_bg]).get (bg);
		941
		942	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
842	}	943	}
843		944
844	/*----------------------------------------------------------------------*/	945	/*----------------------------------------------------------------------*/
845	/*	946	/*
846	* find if fg/bg matches any of the normal (low-intensity) colors	947	* find if fg/bg matches any of the normal (low-intensity) colors
847	*/	948	*/
848	void	949	void
849	rxvt_term::set_colorfgbg ()	950	rxvt_term::set_colorfgbg ()
850	{	951	{
851	unsigned int i;	952	unsigned int i;
852	const char *xpmb = "\0";	953	const char *xpmb = "";
853	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	954	char fstr[] = "default";
		955	char bstr[] = "default";
854		956
855	env_colorfgbg =
856	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
857	STRCPY(fstr, "default");
858	STRCPY(bstr, "default");
859	for (i = Color_Black; i <= Color_White; i++)	957	for (i = Color_Black; i <= Color_White; i++)
860	if (PixColors[Color_fg] == PixColors[i])	958	if (pix_colors[Color_fg] == pix_colors[i])
861	{	959	{
862	sprintf(fstr, "%d", (i - Color_Black));	960	sprintf (fstr, "%d", i - Color_Black);
863	break;	961	break;
864	}	962	}
		963
865	for (i = Color_Black; i <= Color_White; i++)	964	for (i = Color_Black; i <= Color_White; i++)
866	if (PixColors[Color_bg] == PixColors[i])	965	if (pix_colors[Color_bg] == pix_colors[i])
867	{	966	{
868	sprintf(bstr, "%d", (i - Color_Black));	967	sprintf (bstr, "%d", i - Color_Black);
869	#ifdef XPM_BACKGROUND	968	#ifdef BG_IMAGE_FROM_FILE
870	xpmb = "default;";	969	xpmb = "default;";
871	#endif	970	#endif
872	break;	971	break;
873	}	972	}
		973
874	sprintf(env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	974	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
875	putenv(env_colorfgbg);
876
877	#ifndef NO_BRIGHTCOLOR
878	colorfgbg = DEFAULT_RSTYLE;
879	for (i = minCOLOR; i <= maxCOLOR; i++)
880	{
881	if (PixColors[Color_fg] == PixColors[i])
882	colorfgbg = SET_FGCOLOR(colorfgbg, i);
883	if (PixColors[Color_bg] == PixColors[i])
884	colorfgbg = SET_BGCOLOR(colorfgbg, i);
885	}
886	#endif
887	}	975	}
888		976
889	/*----------------------------------------------------------------------*/	977	/*----------------------------------------------------------------------*/
890	/*
891	* Colour determination for low colour displays, routine from
892	* Hans de Goede <hans@highrise.nl>
893	*/
894		978
895	int	979	bool
896	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	980	rxvt_term::set_color (rxvt_color &color, const char *name)
897	{	981	{
898	if (!screen_in_out->set (display, colour))	982	if (color.set (this, name))
899	{
900	rxvt_print_error("can't allocate colour: %s", colour);
901	return false;
902	}
903
904	return true;	983	return true;
		984
		985	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		986	return false;
		987	}
		988
		989	void
		990	rxvt_term::alias_color (int dst, int src)
		991	{
		992	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
905	}	993	}
906		994
907	/* -------------------------------------------------------------------- *	995	/* -------------------------------------------------------------------- *
908	* - WINDOW RESIZING - *	996	* - WINDOW RESIZING - *
909	* -------------------------------------------------------------------- */	997	* -------------------------------------------------------------------- */
910	void	998	void
911	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	999	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
912	{	1000	{
913	int fix_screen;	1001	int fix_screen;
		1002	int old_width = szHint.width;
		1003	int old_height = szHint.height;
914		1004
915	#ifdef SMART_RESIZE
916	int old_width = szHint.width, old_height = szHint.height;
917	#endif
918
919	window_calc (width, height);	1005	window_calc (newwidth, newheight);
		1006
		1007	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1008
		1009	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1010	if (set_hint)
		1011	{
		1012	szHint.flags &= ~(PBaseSize | PResizeInc);
920	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1013	XSetWMNormalHints (dpy, parent, &szHint);
		1014	szHint.flags |= PBaseSize | PResizeInc;
		1015	}
		1016
921	if (!ignoreparent)	1017	if (!ignoreparent)
922	{	1018	{
923	#ifdef SMART_RESIZE	1019	#ifdef SMART_RESIZE
924	/*	1020	/*
925	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1021	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
928	int x, y, x1, y1;	1024	int x, y, x1, y1;
929	int dx, dy;	1025	int dx, dy;
930	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1026	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
931	Window unused_cr;	1027	Window unused_cr;
932		1028
933	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1029	XTranslateCoordinates (dpy, parent, display->root,
934	0, 0, &x, &y, &unused_cr);	1030	0, 0, &x, &y, &unused_cr);
935	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1031	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
936	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1032	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
937	/*	1033	/*
938	* if display->root isn't the parent window, a WM will probably have offset	1034	* if display->root isn't the parent window, a WM will probably have offset
939	* our position for handles and decorations. Counter it	1035	* our position for handles and decorations. Counter it
940	*/	1036	*/
…		…
942	{	1038	{
943	x -= x1;	1039	x -= x1;
944	y -= y1;	1040	y -= y1;
945	}	1041	}
946		1042
947	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1043	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
948	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1044	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
949	dx = old_width - szHint.width;	1045	dx = old_width - szHint.width;
950	dy = old_height - szHint.height;	1046	dy = old_height - szHint.height;
951		1047
952	/* Check position of the center of the window */	1048	/* Check position of the center of the window */
953	if (x < x1) /* left half */	1049	if (x < x1) /* left half */
954	dx = 0;	1050	dx = 0;
…		…
957	if (y < y1) /* top half */	1053	if (y < y1) /* top half */
958	dy = 0;	1054	dy = 0;
959	else if (y == y1) /* exact center */	1055	else if (y == y1) /* exact center */
960	dy /= 2;	1056	dy /= 2;
961		1057
962	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1058	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
963	szHint.width, szHint.height);	1059	szHint.width, szHint.height);
964	#else	1060	#else
965	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	1061	XResizeWindow (dpy, parent, szHint.width, szHint.height);
966	szHint.height);
967	#endif	1062	#endif
968
969	}	1063	}
970		1064
971	fix_screen = (TermWin.ncol != prev_ncol	1065	if (set_hint)
972	|| TermWin.nrow != prev_nrow);	1066	XSetWMNormalHints (dpy, parent, &szHint);
973		1067
		1068	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1069
974	if (fix_screen || width != old_width || height != old_height)	1070	if (fix_screen || newwidth != old_width || newheight != old_height)
975	{	1071	{
976	if (scrollbar_visible ())	1072	if (scrollBar.state)
977	{	1073	scrollBar.resize ();
978	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
979	0, scrollbar_TotalWidth (), szHint.height);
980	resize_scrollbar ();
981	}
982		1074
983	if (menubar_visible ())	1075	XMoveResizeWindow (dpy, vt,
984	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	1076	window_vt_x, window_vt_y,
985	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
986
987	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
988	window_vt_y, TermWin_TotalWidth (),
989	TermWin_TotalHeight ());	1077	width, height);
990	#ifdef RXVT_GRAPHICS
991	if (old_height)
992	Gr_Resize (old_width - szHint.base_width,
993	old_height - szHint.base_height);
994	#endif
995	scr_clear ();
996	#ifdef XPM_BACKGROUND
997	resize_pixmap ();
998	#endif
999		1078
		1079	#ifdef HAVE_BG_PIXMAP
		1080	if (bg_window_size_sensitive ())
		1081	update_background ();
		1082	#endif
1000	}	1083	}
1001		1084
1002	if (fix_screen || old_height == 0)	1085	if (fix_screen || old_height == 0)
1003	{
1004	int curr_screen = -1;
1005	int old_ncol = prev_ncol;
1006
1007	/* scr_reset only works on the primary screen */
1008	if (old_height) /* this is not the first time through */
1009	{
1010	unsigned int ncol = TermWin.ncol;
1011	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1012	curr_screen = scr_change_screen (PRIMARY);
1013	TermWin.ncol = ncol;
1014	}
1015
1016	scr_reset();	1086	scr_reset ();
1017
1018	if (curr_screen >= 0) /* this is not the first time through */
1019	{
1020	scr_change_screen (curr_screen);
1021	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1022	}
1023	}
1024
1025	old_width = szHint.width;
1026	old_height = szHint.height;
1027		1087
1028	#ifdef USE_XIM	1088	#ifdef USE_XIM
1029	IMSetStatusPosition ();	1089	im_set_position ();
1030	#endif	1090	#endif
1031	}	1091	}
1032		1092
1033	/*	1093	/*
1034	* Set the width/height of the vt window in characters. Units are pixels.	1094	* Set the width/height of the vt window in characters. Units are pixels.
1035	* good for toggling 80/132 columns	1095	* good for toggling 80/132 columns
1036	*/	1096	*/
1037	void	1097	void
1038	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1098	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1039	{	1099	{
1040	XWindowAttributes wattr;	1100	XWindowAttributes wattr;
1041		1101
1042	if (width == 0 || height == 0)	1102	if (newwidth == 0 || newheight == 0)
1043	{	1103	{
1044	XGetWindowAttributes(display->display, display->root, &wattr);	1104	XGetWindowAttributes (dpy, display->root, &wattr);
		1105
1045	if (width == 0)	1106	if (newwidth == 0)
1046	width = wattr.width - szHint.base_width;	1107	newwidth = wattr.width - szHint.base_width;
1047	if (height == 0)	1108	if (newheight == 0)
1048	height = wattr.height - szHint.base_height;	1109	newheight = wattr.height - szHint.base_height;
1049	}
1050	if (width != TermWin.width || height != TermWin.height)
1051	{	1110	}
		1111
		1112	if (newwidth != width || newheight != height)
		1113	{
1052	width += szHint.base_width;	1114	newwidth += szHint.base_width;
1053	height += szHint.base_height;	1115	newheight += szHint.base_height;
1054	resize_all_windows (width, height, 0);	1116	resize_all_windows (newwidth, newheight, 0);
1055	}	1117	}
1056	}	1118	}
1057		1119
1058	/* -------------------------------------------------------------------- *	1120	/* -------------------------------------------------------------------- *
1059	* - X INPUT METHOD ROUTINES - *	1121	* - X INPUT METHOD ROUTINES - *
1060	* -------------------------------------------------------------------- */	1122	* -------------------------------------------------------------------- */
1061	#ifdef USE_XIM	1123	#ifdef USE_XIM
1062	void
1063	rxvt_term::set_size (XRectangle *size)
1064	{
1065	size->x = TermWin.int_bwidth;
1066	size->y = TermWin.int_bwidth;
1067	size->width = Width2Pixel(TermWin.ncol);
1068	size->height = Height2Pixel(TermWin.nrow);
1069	}
1070		1124
1071	void	1125	void
1072	rxvt_term::set_color (unsigned long *fg, unsigned long *bg)	1126	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1073	{	1127	{
1074	*fg = PixColors[Color_fg];	1128	fg = pix_colors [Color_fg];
1075	*bg = PixColors[Color_bg];	1129	bg = pix_colors [Color_bg];
		1130	}
		1131
		1132	void
		1133	rxvt_term::im_set_size (XRectangle &size)
		1134	{
		1135	// the int_bwidth terms make no sense to me
		1136	size.x = int_bwidth;
		1137	size.y = int_bwidth;
		1138	size.width = Width2Pixel (ncol) + int_bwidth;
		1139	size.height = Height2Pixel (nrow) + int_bwidth;
		1140	}
		1141
		1142	void
		1143	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1144	XRectangle &status_rect,
		1145	const XRectangle &needed_rect)
		1146	{
		1147	preedit_rect.x = needed_rect.width;
		1148	preedit_rect.y = 0;
		1149	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1150	preedit_rect.height = fheight;
		1151
		1152	status_rect.x = 0;
		1153	status_rect.y = 0;
		1154	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1155	status_rect.height = fheight;
1076	}	1156	}
1077		1157
1078	/* Checking whether input method is running. */	1158	/* Checking whether input method is running. */
1079	bool	1159	bool
1080	rxvt_term::IMisRunning ()	1160	rxvt_term::im_is_running ()
1081	{	1161	{
1082	char *p;	1162	Atom atom;
1083	Atom atom;	1163	Window win;
1084	Window win;
1085	char server[IMBUFSIZ];	1164	char server[IMBUFSIZ];
1086		1165
1087	/* get current locale modifier */	1166	/* get current locale modifier */
1088	if ((p = XSetLocaleModifiers(NULL)) != NULL)	1167	if (char *p = XSetLocaleModifiers (0))
1089	{	1168	{
1090	STRCPY(server, "@server=");	1169	strcpy (server, "@server=");
1091	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1170	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1171
1092	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1172	if (p = strchr (server + 1, '@')) /* first one only */
1093	*p = '\0';	1173	*p = '\0';
1094		1174
1095	atom = XInternAtom(display->display, server, False);	1175	atom = XInternAtom (dpy, server, False);
1096	win = XGetSelectionOwner(display->display, atom);	1176	win = XGetSelectionOwner (dpy, atom);
		1177
1097	if (win != None)	1178	if (win != None)
1098	return True;	1179	return true;
1099	}	1180	}
		1181
1100	return False;	1182	return false;
1101	}	1183	}
1102		1184
1103	void	1185	void
1104	rxvt_term::IMSendSpot ()	1186	rxvt_term::im_send_spot ()
1105	{	1187	{
1106	XPoint spot;	1188	XPoint nspot;
1107	XVaNestedList preedit_attr;	1189	XVaNestedList preedit_attr;
1108		1190
1109	if (Input_Context == NULL	1191	if (!Input_Context
1110	|| !TermWin.focus || !(input_style & XIMPreeditPosition)	1192	|| !focus
1111	|| !(event_type == KeyPress	1193	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1112	|| event_type == Expose
1113	|| event_type == NoExpose
1114	|| event_type == SelectionNotify
1115	|| event_type == ButtonRelease || event_type == FocusIn)
1116	|| !IMisRunning ())
1117	return;	1194	return;
1118		1195
1119	set_position (&spot);	1196	im_set_position (nspot);
1120		1197
		1198	if (nspot.x == spot.x && nspot.y == spot.y)
		1199	return;
		1200
		1201	spot = nspot;
		1202
1121	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1203	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1122	XSetICValues(Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1204	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1123	XFree(preedit_attr);	1205	XFree (preedit_attr);
1124	}	1206	}
1125		1207
1126	void	1208	void
1127	rxvt_term::set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,	1209	rxvt_term::im_destroy ()
1128	XRectangle * needed_rect)
1129	{	1210	{
1130	int mbh, vtx = 0;	1211	if (input_method)
		1212	{
		1213	if (Input_Context && input_method->xim)
		1214	XDestroyIC (Input_Context);
1131		1215
1132	if (scrollbar_visible () && !(Options & Opt_scrollBar_right))	1216	display->put_xim (input_method);
1133	vtx = scrollbar_TotalWidth();	1217	input_method = 0;
		1218	}
1134		1219
1135	mbh = menubar_visible () ? menuBar_TotalHeight() : 0;
1136	mbh -= TermWin.lineSpace;
1137
1138	preedit_rect->x = needed_rect->width + vtx;
1139	preedit_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1140
1141	preedit_rect->width = Width2Pixel(TermWin.ncol + 1) - needed_rect->width + vtx;
1142	preedit_rect->height = Height2Pixel(1);
1143
1144	status_rect->x = vtx;
1145	status_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1146
1147	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel(TermWin.ncol + 1);
1148	status_rect->height = Height2Pixel(1);
1149	}
1150
1151	/* ARGSUSED */
1152	/* EXTPROTO */
1153	void
1154	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1155	__attribute__ ((unused)), XPointer call_data
1156	__attribute__ ((unused)))
1157	{
1158	GET_R->Input_Context = NULL;	1220	Input_Context = 0;
1159	/* To avoid Segmentation Fault in C locale: Solaris only? */
1160	if (STRCMP (GET_R->locale, "C"))
1161	XRegisterIMInstantiateCallback(GET_R->display->display, NULL, NULL, NULL,
1162	rxvt_IMInstantiateCallback, NULL);
1163	}	1221	}
		1222
		1223	#ifdef ENABLE_XIM_ONTHESPOT
		1224
		1225	static void
		1226	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1227	{
		1228	((rxvt_term *)client_data)->make_current ();
		1229	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1230	}
		1231
		1232	static void
		1233	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1234	{
		1235	((rxvt_term *)client_data)->make_current ();
		1236	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1237	}
		1238
		1239	static void
		1240	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1241	{
		1242	rxvt_term *term = (rxvt_term *)client_data;
		1243	XIMText *text = call_data->text;
		1244
		1245	term->make_current ();
		1246
		1247	if (text)
		1248	{
		1249	wchar_t *str;
		1250
		1251	if (!text->encoding_is_wchar && text->string.multi_byte)
		1252	{
		1253	// of course, X makes it ugly again
		1254	if (term->rs[Rs_imLocale])
		1255	SET_LOCALE (term->rs[Rs_imLocale]);
		1256
		1257	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1258	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1259
		1260	if (term->rs[Rs_imLocale])
		1261	SET_LOCALE (term->locale);
		1262	}
		1263	else
		1264	str = text->string.wide_char;
		1265
		1266	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1267	DT_INT, call_data->caret,
		1268	DT_INT, call_data->chg_first,
		1269	DT_INT, call_data->chg_length,
		1270	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1271	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1272	DT_END));
		1273	}
		1274	else
		1275	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1276	DT_INT, call_data->caret,
		1277	DT_INT, call_data->chg_first,
		1278	DT_INT, call_data->chg_length,
		1279	DT_END));
		1280	}
		1281
		1282	#if 0
		1283	static void
		1284	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1285	{
		1286	((rxvt_term *)client_data)->make_current ();
		1287	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1288	DT_INT, call_data->position,
		1289	DT_INT, call_data->direction,
		1290	DT_INT, call_data->style,
		1291	DT_END));
		1292	}
		1293	#endif
		1294
		1295	#endif
1164		1296
1165	/*	1297	/*
1166	* Try to open a XIM with the current modifiers, then see if we can	1298	* Try to open a XIM with the current modifiers, then see if we can
1167	* open a suitable preedit type	1299	* open a suitable preedit type
1168	*/	1300	*/
1169	bool	1301	bool
1170	rxvt_term::IM_get_IC ()	1302	rxvt_term::im_get_ic (const char *modifiers)
1171	{	1303	{
1172	int i, j, found;	1304	int i, j, found;
1173	XIM xim;	1305	XIM xim;
1174	XPoint spot;	1306	XPoint spot;
1175	XRectangle rect, status_rect, needed_rect;	1307	XRectangle rect, status_rect, needed_rect;
1176	unsigned long fg, bg;	1308	unsigned long fg, bg;
1177	const char *p;	1309	const char *p;
1178	char **s;	1310	char **s;
1179	XIMStyles *xim_styles;	1311	XIMStyles *xim_styles;
1180	XVaNestedList preedit_attr, status_attr;
1181	XIMCallback ximcallback;
1182		1312
1183	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1313	set_environ (envv);
1184	xim = XOpenIM (display->display, NULL, NULL, NULL);	1314
1185	if (xim == NULL)	1315	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1186	return False;	1316	return false;
		1317
		1318	input_method = display->get_xim (locale, modifiers);
		1319	if (input_method == NULL)
		1320	return false;
		1321
		1322	xim = input_method->xim;
		1323	spot.x = spot.y = -1;
1187		1324
1188	xim_styles = NULL;	1325	xim_styles = NULL;
1189	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1326	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1190	|| !xim_styles || !xim_styles->count_styles)	1327	|| !xim_styles || !xim_styles->count_styles)
1191	{	1328	{
1192	XCloseIM(xim);	1329	im_destroy ();
1193	return False;	1330	return false;
		1331	}
		1332
		1333	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1334
		1335	for (int pi = 0; pi < 2; pi++)
1194	}	1336	{
		1337	p = pet[pi];
1195		1338
1196	p = rs[Rs_preeditType] ? rs[Rs_preeditType]	1339	if (!p)
1197	: "OverTheSpot,OffTheSpot,Root";	1340	continue;
1198	s = rxvt_splitcommastring(p);	1341
		1342	s = rxvt_strsplit (',', p);
		1343
1199	for (i = found = 0; !found && s[i]; i++)	1344	for (i = found = 0; !found && s[i]; i++)
1200	{	1345	{
1201	if (!STRCMP(s[i], "OverTheSpot"))	1346	if (!strcmp (s[i], "OverTheSpot"))
1202	input_style = (XIMPreeditPosition | XIMStatusNothing);	1347	input_style = XIMPreeditPosition | XIMStatusNothing;
1203	else if (!STRCMP(s[i], "OffTheSpot"))	1348	else if (!strcmp (s[i], "OffTheSpot"))
1204	input_style = (XIMPreeditArea | XIMStatusArea);	1349	input_style = XIMPreeditArea | XIMStatusArea;
1205	else if (!STRCMP(s[i], "Root"))	1350	else if (!strcmp (s[i], "Root"))
1206	input_style = (XIMPreeditNothing | XIMStatusNothing);	1351	input_style = XIMPreeditNothing | XIMStatusNothing;
		1352	else if (!strcmp (s[i], "None"))
		1353	input_style = XIMPreeditNone | XIMStatusNone;
		1354	#ifdef ENABLE_XIM_ONTHESPOT
		1355	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1356	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1357	#endif
		1358	else
		1359	input_style = XIMPreeditNothing | XIMStatusNothing;
1207		1360
1208	for (j = 0; j < xim_styles->count_styles; j++)	1361	for (j = 0; j < xim_styles->count_styles; j++)
1209	if (input_style == xim_styles->supported_styles[j])	1362	if (input_style == xim_styles->supported_styles[j])
1210	{	1363	{
		1364	rxvt_free_strsplit (s);
		1365
1211	found = 1;	1366	found = 1;
1212	break;	1367	goto foundpet;
		1368	}
		1369
1213	}	1370	}
		1371
		1372	rxvt_free_strsplit (s);
1214	}	1373	}
1215	for (i = 0; s[i]; i++)	1374
1216	free(s[i]);	1375	foundpet:
1217	free(s);	1376
1218	XFree(xim_styles);	1377	XFree (xim_styles);
1219		1378
1220	if (!found)	1379	if (!found)
1221	{	1380	{
1222	XCloseIM(xim);	1381	im_destroy ();
1223	return False;	1382	return false;
		1383	}
		1384
		1385	XFontSet fs = 0;
		1386	XVaNestedList preedit_attr = 0, status_attr = 0;
		1387
		1388	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1224	}	1389	{
		1390	// fake us a font-set, please
		1391	char **missing_charset_list;
		1392	int missing_charset_count;
		1393	char *def_string;
		1394	char pat[512];
1225		1395
1226	ximcallback.callback = rxvt_IMDestroyCallback;	1396	sprintf (pat,
		1397	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1398	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1399	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1400	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1401	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1402	"*",
		1403	fheight,
		1404	fheight + 1, fheight - 1,
		1405	fheight - 2, fheight + 2);
1227		1406
1228	/* XXX: not sure why we need this (as well as IC one below) */	1407	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1229	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1408	&missing_charset_list, &missing_charset_count, &def_string);
1230		1409
1231	preedit_attr = status_attr = NULL;	1410	if (missing_charset_list)
		1411	XFreeStringList (missing_charset_list);
		1412
		1413	if (!fs)
		1414	{
		1415	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1416	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1417	}
		1418	}
1232		1419
1233	if (input_style & XIMPreeditPosition)	1420	if (input_style & XIMPreeditPosition)
1234	{	1421	{
1235	set_size (&rect);	1422	im_set_size (rect);
1236	set_position (&spot);	1423	im_set_position (spot);
1237	set_color (&fg, &bg);	1424	im_set_color (fg, bg);
1238		1425
1239	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1426	preedit_attr = XVaCreateNestedList (0,
		1427	XNForeground, fg,
		1428	XNBackground, bg,
		1429	XNArea, &rect,
1240	XNSpotLocation, &spot,	1430	XNSpotLocation, &spot,
1241	XNForeground, fg, XNBackground, bg,
1242	//XNFontSet, TermWin.fontset,	1431	XNFontSet, fs,
1243	NULL);	1432	NULL);
1244	}	1433	}
1245	else if (input_style & XIMPreeditArea)	1434	else if (input_style & XIMPreeditArea)
1246	{	1435	{
1247	set_color (&fg, &bg);	1436	im_set_color (fg, bg);
1248		1437
1249	/*	1438	/*
1250	* The necessary width of preedit area is unknown	1439	* The necessary width of preedit area is unknown
1251	* until create input context.	1440	* until create input context.
1252	*/	1441	*/
1253	needed_rect.width = 0;	1442	needed_rect.width = 0;
1254
1255	set_preedit_area(&rect, &status_rect, &needed_rect);	1443	im_set_preedit_area (rect, status_rect, needed_rect);
1256		1444
1257	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1445	preedit_attr = XVaCreateNestedList (0,
		1446	XNForeground, fg,
1258	XNForeground, fg, XNBackground, bg,	1447	XNBackground, bg,
		1448	XNArea, &rect,
		1449	XNFontSet, fs,
		1450	NULL);
		1451	status_attr = XVaCreateNestedList (0,
		1452	XNForeground, fg,
		1453	XNBackground, bg,
		1454	XNArea, &status_rect,
1259	//XNFontSet, TermWin.fontset,	1455	XNFontSet, fs,
1260	NULL);	1456	NULL);
1261	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,	1457	}
1262	XNForeground, fg, XNBackground, bg,	1458	#if ENABLE_XIM_ONTHESPOT
1263	//XNFontSet, TermWin.fontset,	1459	else if (input_style & XIMPreeditCallbacks)
		1460	{
		1461	XIMCallback xcb[4];
		1462
		1463	im_set_position (spot);
		1464
		1465	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1466	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1467	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1468	# if 0
		1469	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1470	# endif
		1471
		1472	preedit_attr = XVaCreateNestedList (0,
		1473	XNSpotLocation, &spot,
		1474	XNPreeditStartCallback, &xcb[0],
		1475	XNPreeditDoneCallback , &xcb[1],
		1476	XNPreeditDrawCallback , &xcb[2],
		1477	# if 0
		1478	XNPreeditCaretCallback, &xcb[3],
		1479	# endif
1264	NULL);	1480	NULL);
1265	}	1481	}
1266	Input_Context = XCreateIC(xim, XNInputStyle, input_style,	1482	#endif
		1483
		1484	Input_Context = XCreateIC (xim,
		1485	XNInputStyle, input_style,
1267	XNClientWindow, TermWin.parent[0],	1486	XNClientWindow, vt,
1268	XNFocusWindow, TermWin.parent[0],	1487	XNFocusWindow, parent,
1269	XNDestroyCallback, &ximcallback,
1270	preedit_attr ? XNPreeditAttributes : NULL,	1488	preedit_attr ? XNPreeditAttributes : NULL,
1271	preedit_attr,	1489	preedit_attr,
1272	status_attr ? XNStatusAttributes : NULL,	1490	status_attr ? XNStatusAttributes : NULL,
1273	status_attr, NULL);	1491	status_attr, NULL);
1274	if (preedit_attr)	1492
1275	XFree(preedit_attr);	1493	if (preedit_attr) XFree (preedit_attr);
1276	if (status_attr)	1494	if (status_attr) XFree (status_attr);
1277	XFree(status_attr);	1495	if (fs) XFreeFontSet (dpy, fs);
		1496
1278	if (Input_Context == NULL)	1497	if (Input_Context == NULL)
1279	{	1498	{
1280	rxvt_print_error("failed to create input context");	1499	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1281	XCloseIM(xim);	1500	im_destroy ();
1282	return False;	1501	return false;
1283	}	1502	}
1284	if (input_style & XIMPreeditArea)	1503
1285	IMSetStatusPosition ();	1504	#if 0
1286	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1505	// unfortunately, only the focus window is used by XIM, hard to fix
		1506	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1507	vt_select_input ();
		1508	#endif
		1509
		1510	im_set_position ();
		1511
1287	return True;	1512	return true;
1288	}	1513	}
1289		1514
1290	/*
1291	* X manual pages and include files don't match on some systems:
1292	* some think this is an XIDProc and others an XIMProc so we can't
1293	* use the first argument - need to update this to be nice for
1294	* both types via some sort of configure detection
1295	*/
1296	/* ARGSUSED */
1297	/* EXTPROTO */
1298	void	1515	void
1299	rxvt_IMInstantiateCallback(Display * unused	1516	rxvt_term::im_cb ()
1300	__attribute__ ((unused)), XPointer client_data
1301	__attribute__ ((unused)), XPointer call_data
1302	__attribute__ ((unused)))
1303	{	1517	{
1304	int i, found, had_im;	1518	int i;
1305	const char *p;	1519	const char *p;
1306	char **s;	1520	char **s;
1307	char buf[IMBUFSIZ];	1521	char buf[IMBUFSIZ];
1308		1522
1309	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1523	make_current ();
		1524
		1525	im_destroy ();
		1526
1310	if (GET_R->Input_Context)	1527	if (Input_Context)
1311	return;	1528	return;
1312		1529
1313	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1530	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1314	if (GET_R->rs[Rs_imLocale])	1531	if (rs[Rs_imLocale])
1315	setlocale (LC_CTYPE, GET_R->rs[Rs_imLocale]);	1532	SET_LOCALE (rs[Rs_imLocale]);
1316	#endif	1533	#endif
1317		1534
1318	p = GET_R->rs[Rs_inputMethod];	1535	p = rs[Rs_inputMethod];
1319	if (p && *p)	1536	if (p && *p)
1320	{	1537	{
1321	bool found = false;	1538	bool found = false;
1322		1539
1323	s = rxvt_splitcommastring (p);	1540	s = rxvt_strsplit (',', p);
		1541
1324	for (i = 0; s[i]; i++)	1542	for (i = 0; s[i]; i++)
1325	{	1543	{
1326	if (*s[i])	1544	if (*s[i])
1327	{	1545	{
1328	STRCPY (buf, "@im=");	1546	strcpy (buf, "@im=");
1329	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1547	strncat (buf, s[i], IMBUFSIZ - 5);
1330	if ((p = XSetLocaleModifiers (buf)) && *p && GET_R->IM_get_IC ())	1548	if (im_get_ic (buf))
1331	{	1549	{
1332	found = true;	1550	found = true;
1333	break;	1551	break;
1334	}	1552	}
1335	}	1553	}
1336	}	1554	}
1337	for (i = 0; s[i]; i++)	1555
1338	free(s[i]);	1556	rxvt_free_strsplit (s);
1339	free(s);
1340		1557
1341	if (found)	1558	if (found)
1342	goto done;	1559	goto done;
1343	}	1560	}
1344		1561
1345	/* try with XMODIFIERS env. var. */	1562	/* try with XMODIFIERS env. var. */
1346	if ((p = XSetLocaleModifiers ("")) && *p	1563	if (im_get_ic (""))
1347	&& GET_R->IM_get_IC ())
1348	goto done;	1564	goto done;
1349		1565
1350	/* try with no modifiers base IF the user didn't specify an IM */	1566	/* try with no modifiers base IF the user didn't specify an IM */
1351	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1567	if (im_get_ic ("@im=none"))
1352	&& GET_R->IM_get_IC () == True)
1353	goto done;	1568	goto done;
1354		1569
1355	done:	1570	done:
1356	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1571	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1357	if (GET_R->rs[Rs_imLocale])	1572	if (rs[Rs_imLocale])
1358	setlocale (LC_CTYPE, GET_R->locale);	1573	SET_LOCALE (locale);
1359	#endif	1574	#endif
1360	}	1575	}
1361		1576
1362	void	1577	void
1363	rxvt_term::IMSetStatusPosition ()	1578	rxvt_term::im_set_position ()
1364	{	1579	{
1365	XRectangle preedit_rect, status_rect, *needed_rect;	1580	XRectangle preedit_rect, status_rect, *needed_rect;
1366	XVaNestedList preedit_attr, status_attr;	1581	XVaNestedList preedit_attr, status_attr;
1367		1582
1368	if (Input_Context == NULL	1583	if (!Input_Context
1369	|| !TermWin.focus || !(input_style & XIMPreeditArea)	1584	|| !focus
		1585	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1370	|| !IMisRunning ())	1586	|| !im_is_running ())
1371	return;	1587	return;
1372		1588
		1589	if (input_style & XIMPreeditPosition)
		1590	{
		1591	im_set_size (preedit_rect);
		1592	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1593
		1594	XSetICValues (Input_Context,
		1595	XNPreeditAttributes, preedit_attr, NULL);
		1596	}
		1597	else
		1598	{
1373	/* Getting the necessary width of preedit area */	1599	/* Getting the necessary width of preedit area */
1374	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1600	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1375	XGetICValues(Input_Context, XNStatusAttributes, status_attr, NULL);	1601	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1376	XFree(status_attr);	1602	XFree (status_attr);
1377		1603
1378	set_preedit_area(&preedit_rect, &status_rect, needed_rect);	1604	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1605	XFree (needed_rect);
1379		1606
1380	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1607	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1381	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1608	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1382		1609
1383	XSetICValues(Input_Context,	1610	XSetICValues (Input_Context,
1384	XNPreeditAttributes, preedit_attr,	1611	XNPreeditAttributes, preedit_attr,
1385	XNStatusAttributes, status_attr, NULL);	1612	XNStatusAttributes, status_attr,
		1613	NULL);
1386		1614
		1615	XFree (status_attr);
		1616	}
		1617
1387	XFree(preedit_attr);	1618	XFree (preedit_attr);
1388	XFree(status_attr);
1389	}	1619	}
1390	#endif /* USE_XIM */	1620	#endif /* USE_XIM */
1391		1621
1392	/*----------------------------------------------------------------------*/	1622	void
1393	rxvt_t rxvt_current_term;	1623	rxvt_term::get_window_origin (int &x, int &y)
		1624	{
		1625	Window cr;
		1626	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1627	}
		1628
		1629	Pixmap
		1630	rxvt_term::get_pixmap_property (Atom property)
		1631	{
		1632	Pixmap pixmap = None;
		1633
		1634	int aformat;
		1635	unsigned long nitems, bytes_after;
		1636	Atom atype;
		1637	unsigned char *prop;
		1638	int result = XGetWindowProperty (dpy, display->root, property,
		1639	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1640	&nitems, &bytes_after, &prop);
		1641	if (result == Success)
		1642	{
		1643	if (atype == XA_PIXMAP)
		1644	pixmap = *(Pixmap *)prop;
		1645	XFree (prop);
		1646	}
		1647
		1648	return pixmap;
		1649	}
		1650
		1651	#ifdef HAVE_BG_PIXMAP
		1652
		1653	void
		1654	rxvt_term::update_background ()
		1655	{
		1656	if (update_background_ev.is_active ())
		1657	return;
		1658
		1659	bg_invalidate ();
		1660
		1661	if (!mapped)
		1662	return;
		1663
		1664	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1665
		1666	if (to_wait <= 0.)
		1667	bg_render ();
		1668	else
		1669	update_background_ev.start (to_wait);
		1670	}
		1671
		1672	void
		1673	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1674	{
		1675	make_current ();
		1676
		1677	update_background_ev.stop ();
		1678	bg_render ();
		1679	refresh_check ();
		1680	}
		1681
		1682	#endif /* HAVE_BG_PIXMAP */
1394		1683
1395	/*----------------------- end-of-file (C source) -----------------------*/	1684	/*----------------------- end-of-file (C source) -----------------------*/

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