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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.42 by pcg, Sun Feb 22 10:38:11 2004 UTC vs.
Revision 1.375 by sf-exg, Sun Jun 3 17:48:28 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) 2003-2004 Marc Lehmann <pcg@goof.com>	16	* Copyright (c) 2003-2010 Marc Lehmann <schmorp@schmorp.de>
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 "init.h"
		36	#include "keyboard.h"
		37	#include "rxvtperl.h"
36		38
		39	#include <limits>
		40
		41	#include <assert.h>
37	#include <signal.h>	42	#include <signal.h>
38
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	43	#include <string.h>
41	#endif
42		44
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	45	#include <termios.h>
45	#endif
46		46
47	#include <cstring>	47	#ifdef HAVE_XSETLOCALE
		48	# define X_LOCALE
		49	# include <X11/Xlocale.h>
		50	#else
		51	# include <locale.h>
		52	#endif
48		53
		54	struct termios rxvt_term::def_tio;
		55	vector<rxvt_term *> rxvt_term::termlist;
		56
		57	// used to tell global functions which terminal instance is "active"
		58	rxvt_t rxvt_current_term;
		59
49	static char curlocale[128];	60	static char curlocale[128], savelocale[128];
50		61
51	void	62	bool
52	rxvt_set_locale (const char *locale)	63	rxvt_set_locale (const char *locale) NOTHROW
53	{	64	{
54	if (locale && STRNCMP (locale, curlocale, 128))	65	int size = strlen (locale) + 1;
55	{	66
56	STRNCPY (curlocale, locale, 128);	67	if (size > sizeof (curlocale))
		68	rxvt_fatal ("locale string too long, aborting.\n");
		69
		70	if (!locale || !memcmp (locale, curlocale, size))
		71	return false;
		72
		73	memcpy (curlocale, locale, size);
57	setlocale (LC_CTYPE, curlocale);	74	setlocale (LC_CTYPE, curlocale);
58	}	75	return true;
59	}	76	}
60		77
61	void *	78	void
62	rxvt_term::operator new (size_t s)	79	rxvt_push_locale (const char *locale) NOTHROW
63	{	80	{
64	void *p = malloc (s);	81	strcpy (savelocale, curlocale);
		82	rxvt_set_locale (locale);
		83	}
65		84
66	MEMSET (p, 0, s);	85	void
		86	rxvt_pop_locale () NOTHROW
		87	{
		88	rxvt_set_locale (savelocale);
		89	}
		90
		91	#if ENABLE_COMBINING
		92	class rxvt_composite_vec rxvt_composite;
		93
		94	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		95	{
		96	compose_char *cc;
		97
		98	// break compose chains, as stupid readline really likes to duplicate
		99	// composing characters for some reason, near the end of a line.
		100	cc = (*this)[c1];
		101	while (cc)
		102	{
		103	if (cc->c2 == c2) return c1;
		104	cc = (*this)[cc->c1];
		105	}
		106
		107	// check to see whether this combination already exists otherwise
		108	for (cc = v.begin (); cc < v.end (); cc++)
		109	if (cc->c1 == c1 && cc->c2 == c2)
		110	return COMPOSE_LO + (cc - v.begin ());
		111
		112	// allocate a new combination
		113	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		114	{
		115	static int seen;
		116
		117	if (!seen++)
		118	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
		119
		120	return REPLACEMENT_CHAR;
		121	}
		122
		123	v.push_back (compose_char (c1, c2));
		124
		125	return v.size () - 1 + COMPOSE_LO;
		126	}
		127
		128	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		129	{
		130	compose_char *cc = (*this)[c];
		131
		132	if (!cc)
		133	{
		134	if (r) *r = c;
		135	return 1;
		136	}
		137
		138	int len = expand (cc->c1, r);
		139
		140	if (r) r += len;
		141
		142	if (cc->c2 != NOCHAR)
		143	{
		144	len++;
		145	if (r) *r++ = cc->c2;
		146	}
		147
67	return p;	148	return len;
68	}
69		149
70	void
71	rxvt_term::operator delete (void *p, size_t s)
72	{
73	free (p);
74	}	150	}
		151	#endif
75		152
76	rxvt_term::rxvt_term ()	153	rxvt_term::rxvt_term ()
77	:	154	{
78	rootwin_ev (this, &rxvt_term::rootwin_cb),	155	#if HAVE_BG_PIXMAP
79	termwin_ev (this, &rxvt_term::x_cb),	156	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
80	vt_ev (this, &rxvt_term::x_cb),
81	#ifdef HAVE_SCROLLBARS
82	scrollbar_ev (this, &rxvt_term::x_cb),
83	#endif
84	#ifdef MENUBAR
85	menubar_ev (this, &rxvt_term::x_cb), fixme
86	#endif	157	#endif
87	#ifdef CURSOR_BLINK	158	#ifdef CURSOR_BLINK
88	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),	159	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
89	#endif	160	#endif
90	#ifdef TEXT_BLINK	161	#ifdef TEXT_BLINK
91	text_blink_ev (this, &rxvt_term::text_blink_cb),	162	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		163	#endif
		164	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		165	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		166	#endif
		167	#ifdef SELECTION_SCROLLING
		168	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		169	#endif
		170	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		171	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		172	#endif
		173	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		174	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		175	#endif
		176	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		177	#ifdef USE_XIM
		178	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
92	#endif	179	#endif
93	#ifdef POINTER_BLANK	180	#ifdef POINTER_BLANK
94	pointer_ev (this, &rxvt_term::pointer_cb),	181	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
95	#endif	182	#endif
		183	#ifndef NO_BELL
		184	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		185	#endif
		186	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		187	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		188	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		189	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		190	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		191	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		192
		193	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		194
		195	termlist.push_back (this);
		196
		197	#ifdef KEYSYM_RESOURCE
		198	keyboard = new keyboard_manager;
		199	#endif
		200	}
		201
		202	// clean up the most important stuff, do *not* call x or free mem etc.
		203	// for use before an emergency exit
		204	void
		205	rxvt_term::emergency_cleanup ()
		206	{
		207	if (cmd_pid)
		208	kill (-cmd_pid, SIGHUP);
		209
		210	pty_ev.stop ();
		211	delete pty; pty = 0;
		212	}
		213
		214	rxvt_term::~rxvt_term ()
		215	{
		216	termlist.erase (find (termlist.begin (), termlist.end(), this));
		217
		218	emergency_cleanup ();
		219
		220	#if ENABLE_STYLES
		221	for (int i = RS_styleCount; --i; )
		222	if (fontset[i] != fontset[0])
		223	delete fontset[i];
		224	#endif
		225	delete fontset[0];
		226
		227	#ifdef HAVE_BG_PIXMAP
		228	bg_destroy ();
		229	#endif
		230
		231	if (display)
		232	{
		233	selection_clear ();
		234	selection_clear (true);
		235
96	#ifdef USE_XIM	236	#ifdef USE_XIM
97	im_ev (this, &rxvt_term::im_cb),	237	im_destroy ();
98	#endif	238	#endif
99	check_ev (this, &rxvt_term::check_cb),	239	scrollBar.destroy ();
100	destroy_ev (this, &rxvt_term::destroy_cb),	240	if (gc) XFreeGC (dpy, gc);
101	pty_ev (this, &rxvt_term::pty_cb),
102	incr_ev (this, &rxvt_term::incr_cb)
103	{
104	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
105	}
106		241
107	rxvt_term::~rxvt_term ()	242	delete drawable;
108	{	243	// destroy all windows
109	if (cmd_fd >= 0)	244	if (parent)
110	close (cmd_fd);	245	XDestroyWindow (dpy, parent);
111		246
112	#ifndef NO_SETOWNER_TTYDEV	247	for (int i = 0; i < TOTAL_COLORS; i++)
113	privileged_ttydev (RESTORE);	248	if (ISSET_PIXCOLOR (i))
		249	{
		250	pix_colors_focused [i].free (this);
		251	#if OFF_FOCUS_FADING
		252	pix_colors_unfocused [i].free (this);
114	#endif	253	#endif
115	#ifdef UTMP_SUPPORT	254	}
116	privileged_utmp (RESTORE);
117	#endif
118		255
119	delete TermWin.fontset;	256	clear ();
120		257
121	if (display)	258	display->flush (); /* ideally .put should do this */
122	if (TermWin.parent[0])
123	XDestroyWindow (display->display, TermWin.parent[0]);
124
125	// TODO: free pixcolours, colours should become part of rxvt_display
126
127	delete PixColors;
128
129	displays.put (display);	259	displays.put (display);
		260	}
130		261
131	scr_release ();	262	scr_release ();
132		263
133	free (env_windowid);	264	/* clear all resources */
134	free (env_display);	265	for (int i = 0; i < allocated.size (); i++)
135	free (env_term);	266	free (allocated [i]);
136	free (env_colorfgbg);	267
		268	free (selection.text);
		269	free (selection.clip_text);
137	free (locale);	270	free (locale);
138	free (codeset);	271	free (v_buffer);
		272
		273	delete selection_req;
139		274
140	delete envv;	275	delete envv;
141	delete argv;	276	delete argv;
		277
		278	#ifdef KEYSYM_RESOURCE
		279	delete keyboard;
		280	#endif
		281	#ifndef NO_RESOURCES
		282	XrmDestroyDatabase (option_db);
		283	#endif
		284	}
		285
		286	// child has exited, usually destroys
		287	void
		288	rxvt_term::child_cb (ev::child &w, int status)
		289	{
		290	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		291
		292	cmd_pid = 0;
		293
		294	if (!option (Opt_hold))
		295	destroy ();
142	}	296	}
143		297
144	void	298	void
145	rxvt_term::destroy ()	299	rxvt_term::destroy ()
146	{	300	{
		301	if (destroy_ev.is_active ())
		302	return;
		303
		304	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		305
		306	#if ENABLE_OVERLAY
		307	scr_overlay_off ();
		308	#endif
		309
147	if (display)	310	if (display)
148	{	311	{
		312	#if USE_XIM
		313	im_ev.stop (display);
		314	#endif
		315	scrollbar_ev.stop (display);
		316	#if ENABLE_TRANSPARENCY || ENABLE_PERL
149	rootwin_ev.stop (display);	317	rootwin_ev.stop (display);
		318	#endif
150	termwin_ev.stop (display);	319	termwin_ev.stop (display);
151	vt_ev.stop (display);	320	vt_ev.stop (display);
152	#ifdef USE_XIM
153	im_destroy ();
154	im_ev.stop (display);
155	#endif
156	#ifdef HAVE_SCROLLBARS
157	scrollbar_ev.stop (display);
158	#endif
159	#ifdef MENUBAR
160	menubar_ev.stop (display);
161	#endif
162	}	321	}
163		322
164	check_ev.stop ();	323	flush_ev.stop ();
165	pty_ev.stop ();	324	pty_ev.stop ();
166	#ifdef CURSOR_BLINK	325	#ifdef CURSOR_BLINK
167	cursor_blink_ev.stop ();	326	cursor_blink_ev.stop ();
168	#endif	327	#endif
169	#ifdef TEXT_BLINK	328	#ifdef TEXT_BLINK
170	text_blink_ev.stop ();	329	text_blink_ev.stop ();
171	#endif	330	#endif
		331	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		332	cont_scroll_ev.stop ();
		333	#endif
		334	#ifdef SELECTION_SCROLLING
		335	sel_scroll_ev.stop ();
		336	#endif
172	#ifdef POINTER_BLANK	337	#ifdef POINTER_BLANK
173	pointer_ev.stop ();	338	pointer_ev.stop ();
174	#endif	339	#endif
175		340
176	destroy_ev.start (0);	341	destroy_ev.start ();
177	}	342	}
178		343
179	void	344	void
180	rxvt_term::destroy_cb (time_watcher &w)	345	rxvt_term::destroy_cb (ev::idle &w, int revents)
181	{	346	{
182	SET_R (this);	347	make_current ();
183		348
184	delete this;	349	delete this;
185	}	350	}
186		351
187	/*----------------------------------------------------------------------*/
188	/* rxvt_init () */
189	/* LIBPROTO */
190	rxvt_t
191	rxvt_init (int argc, const char *const *argv)
192	{
193	SET_R (new rxvt_term);
194
195	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
196	{
197	delete GET_R;
198	SET_R (0);
199	}
200
201	return GET_R;
202	}
203
204	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
205
206	void	352	void
207	rxvt_init_signals ()	353	rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
208	{	354	{
209	/* install exit handler for cleanup */	355	if (!opt)
210	#if 0
211	#ifdef HAVE_ATEXIT
212	atexit (rxvt_clean_exit);
213	#else
214	#endif
215	#endif
216
217	struct sigaction sa;
218
219	sigfillset (&sa.sa_mask);
220	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
221	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
222	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
223	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
224	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
225	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
226	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
227
228	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
229	/* signal (SIGURG, SIG_DFL); */
230
231	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
232	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
233	}
234
235	bool
236	rxvt_term::init (int argc, const char *const *argv)
237	{
238	/*
239	* Save and then give up any super-user privileges
240	* If we need privileges in any area then we must specifically request it.
241	* We should only need to be root in these cases:
242	* 1. write utmp entries on some systems
243	* 2. chown tty on some systems
244	*/
245	privileges (SAVE);
246	privileges (IGNORE);
247
248	init_secondary ();
249
250	const char **cmd_argv = init_resources (argc, argv);
251
252	set_locale ("");
253
254	#if (MENUBAR_MAX)
255	menubar_read (rs[Rs_menu]);
256	#endif
257	#ifdef HAVE_SCROLLBARS
258	if (Options & Opt_scrollBar)
259	scrollBar.setIdle (); /* set existence for size calculations */
260	#endif
261
262	create_windows (argc, argv);
263
264	init_xlocale ();
265
266	scr_reset (); /* initialize screen */
267
268	#if 0
269	XSynchronize (display->display, True);
270	#endif
271
272	#ifdef HAVE_SCROLLBARS
273	if (Options & Opt_scrollBar)
274	resize_scrollbar (); /* create and map scrollbar */
275	#endif
276	#if (MENUBAR_MAX)
277	if (menubar_visible (r))
278	XMapWindow (display->display, menuBar.win);
279	#endif
280	#ifdef TRANSPARENT
281	if (Options & Opt_transparent)
282	{
283	XSelectInput (display->display, display->root, PropertyChangeMask);
284	check_our_parents ();
285	}
286	#endif
287
288	rootwin_ev.start (display, display->root);
289
290	XMapWindow (display->display, TermWin.vt);
291	XMapWindow (display->display, TermWin.parent[0]);
292
293	init_command (cmd_argv);
294
295	pty_ev.start (cmd_fd, EVENT_READ);
296
297	check_ev.start ();
298
299	return true;
300	}
301
302	/* ------------------------------------------------------------------------- *
303	* SIGNAL HANDLING & EXIT HANDLER *
304	* ------------------------------------------------------------------------- */
305	/*
306	* Catch a SIGCHLD signal and exit if the direct child has died
307	*/
308	/* ARGSUSED */
309	/* EXTPROTO */
310	RETSIGTYPE
311	rxvt_Child_signal (int sig __attribute__ ((unused)))
312	{
313	int pid, save_errno = errno;
314	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
315	;
316	errno = save_errno;
317
318	#if 0
319	if (pid == cmd_pid)
320	exit (EXIT_SUCCESS);
321	#endif
322	}
323
324	/*
325	* Catch a fatal signal and tidy up before quitting
326	*/
327	/* EXTPROTO */
328	RETSIGTYPE
329	rxvt_Exit_signal (int sig)
330	{
331	signal (sig, SIG_DFL);
332	#ifdef DEBUG_CMD
333	rxvt_print_error ("signal %d", sig);
334	#endif
335	rxvt_clean_exit ();
336	kill (getpid (), sig);
337	}
338
339	/* INTPROTO */
340	int
341	rxvt_xerror_handler (Display *display, XErrorEvent *event)
342	{
343	if (GET_R->allowedxerror == -1)
344	GET_R->allowedxerror = event->error_code;
345	else
346	{
347	old_xerror_handler (display, event);
348	GET_R->destroy ();
349	}
350
351	return 0;	356	return;
		357
		358	uint8_t mask = 1 << (opt & 7);
		359	uint8_t &val = options [opt >> 3];
		360
		361	val = val & ~mask | (set ? mask : 0);
352	}	362	}
353		363
354	/*----------------------------------------------------------------------*/	364	/*----------------------------------------------------------------------*/
355	/*	365	/*
356	* Exit gracefully, clearing the utmp entry and restoring tty attributes	366	* Exit gracefully, clearing the utmp entry and restoring tty attributes
357	* TODO: if debugging, this should free up any known resources if we can	367	* TODO: if debugging, this should free up any known resources if we can
358	*/	368	*/
359	/* EXTPROTO */	369	static XErrorHandler old_xerror_handler;
360	void
361	rxvt_clean_exit ()
362	{
363	// TODO: rxvtd should clean up all ressources
364	if (GET_R)
365	GET_R->destroy ();
366	}
367		370
368	/* ------------------------------------------------------------------------- *	371	static void
369	* MEMORY ALLOCATION WRAPPERS *	372	rxvt_emergency_cleanup ()
370	* ------------------------------------------------------------------------- */
371	/* EXTPROTO */
372	void *
373	rxvt_malloc (size_t size)
374	{	373	{
375	void *p;	374	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
376		375	(*t)->emergency_cleanup ();
377	p = malloc (size);
378	if (p)
379	return p;
380
381	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
382	rxvt_clean_exit ();
383	exit (EXIT_FAILURE);
384	/* NOTREACHED */
385	}	376	}
386		377
387	/* EXTPROTO */	378	#if !ENABLE_MINIMAL
388	void *	379	static void ecb_cold
389	rxvt_calloc (size_t number, size_t size)	380	print_x_error (Display *dpy, XErrorEvent *event)
390	{	381	{
391	void *p;	382	char buffer[BUFSIZ];
392		383	char mesg[BUFSIZ];
393	p = calloc (number, size);	384	char number[32];
394	if (p)	385	const char mtype[] = "XlibMessage";
395	return p;	386	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
396		387	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
397	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	388	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
398	rxvt_clean_exit ();	389	rxvt_warn ("%s: %s\n", mesg, buffer);
399	exit (EXIT_FAILURE);	390	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
400	/* NOTREACHED */	391	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		392	sprintf(number, "%d", event->request_code);
		393	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		394	rxvt_warn ("(which is %s)\n", buffer);
		395	if (event->request_code >= 128) {
		396	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		397	mesg, BUFSIZ);
		398	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		399	}
		400	if ((event->error_code == BadWindow) ||
		401	(event->error_code == BadPixmap) ||
		402	(event->error_code == BadCursor) ||
		403	(event->error_code == BadFont) ||
		404	(event->error_code == BadDrawable) ||
		405	(event->error_code == BadColor) ||
		406	(event->error_code == BadGC) ||
		407	(event->error_code == BadIDChoice) ||
		408	(event->error_code == BadValue) ||
		409	(event->error_code == BadAtom)) {
		410	if (event->error_code == BadValue)
		411	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		412	mesg, BUFSIZ);
		413	else if (event->error_code == BadAtom)
		414	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		415	mesg, BUFSIZ);
		416	else
		417	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		418	mesg, BUFSIZ);
		419	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		420	}
		421	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		422	mesg, BUFSIZ);
		423	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
401	}	424	}
		425	#endif
402		426
403	/* EXTPROTO */	427	int ecb_cold
404	void *	428	rxvt_xerror_handler (Display *display, XErrorEvent *event)
405	rxvt_realloc (void *ptr, size_t size)
406	{	429	{
407	void *p;	430	if (GET_R->allowedxerror == -1)
408		431	GET_R->allowedxerror = event->error_code;
409	if (ptr)
410	p = realloc (ptr, size);
411	else	432	else
412	p = malloc (size);	433	{
413	if (p)	434	// GET_R is most likely not the terminal which caused the error,
		435	// so just output the error and continue
		436	#if ENABLE_MINIMAL
		437	old_xerror_handler (display, event);
		438	#else
		439	print_x_error (display, event);
		440	#endif
		441	}
		442
414	return p;	443	return 0;
		444	}
415		445
416	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	446	int ecb_cold
417	rxvt_clean_exit ();	447	rxvt_xioerror_handler (Display *display)
		448	{
		449	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		450	DisplayString (display));
		451	rxvt_emergency_cleanup ();
418	exit (EXIT_FAILURE);	452	_exit (EXIT_FAILURE);
419	/* NOTREACHED */
420	}	453	}
421		454
422	/* ------------------------------------------------------------------------- *	455	static struct sig_handlers
423	* PRIVILEGED OPERATIONS *
424	* ------------------------------------------------------------------------- */
425	/* take care of suid/sgid super-user (root) privileges */
426	void
427	rxvt_term::privileges (int mode)
428	{	456	{
429	#if ! defined(__CYGWIN32__)	457	ev::sig sw_term, sw_int;
430	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	458
431	/* setreuid () is the poor man's setuid (), seteuid () */	459	/*
432	# define seteuid(a) setreuid(-1, (a))	460	* Catch a fatal signal and tidy up before quitting
433	# define setegid(a) setregid(-1, (a))	461	*/
434	# define HAVE_SETEUID	462	void sig_term (ev::sig &w, int revents);
		463
		464	sig_handlers ()
		465	{
		466	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		467	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
		468	}
		469	} sig_handlers;
		470
		471	void
		472	sig_handlers::sig_term (ev::sig &w, int revents)
		473	{
		474	rxvt_emergency_cleanup ();
		475	w.stop ();
		476	kill (getpid (), w.signum);
		477	}
		478
		479	static void
		480	rxvt_get_ttymode (struct termios *tio)
		481	{
		482	if (tcgetattr (STDIN_FILENO, tio) < 0)
		483	memset (tio, 0, sizeof (struct termios));
		484
		485	for (int i = 0; i < NCCS; i++)
		486	tio->c_cc[i] = VDISABLE;
		487
		488	tio->c_cc[VINTR] = CINTR;
		489	tio->c_cc[VQUIT] = CQUIT;
		490	tio->c_cc[VERASE] = CERASE;
		491	#ifdef VERASE2
		492	tio->c_cc[VERASE2] = CERASE2;
		493	#endif
		494	tio->c_cc[VKILL] = CKILL;
		495	tio->c_cc[VEOF] = CEOF;
		496	tio->c_cc[VSTART] = CSTART;
		497	tio->c_cc[VSTOP] = CSTOP;
		498	tio->c_cc[VSUSP] = CSUSP;
		499	# ifdef VDSUSP
		500	tio->c_cc[VDSUSP] = CDSUSP;
435	# endif	501	# endif
436	# ifdef HAVE_SETEUID	502	# ifdef VREPRINT
437	switch (mode)	503	tio->c_cc[VREPRINT] = CRPRNT;
438	{
439	case IGNORE:
440	/*
441	* change effective uid/gid - not real uid/gid - so we can switch
442	* back to root later, as required
443	*/
444	seteuid (getuid ());
445	setegid (getgid ());
446	break;
447	case SAVE:
448	euid = geteuid ();
449	egid = getegid ();
450	break;
451	case RESTORE:
452	seteuid (euid);
453	setegid (egid);
454	break;
455	}
456	# else
457	switch (mode)
458	{
459	case IGNORE:
460	setuid (getuid ());
461	setgid (getgid ());
462	/* FALLTHROUGH */
463	case SAVE:
464	/* FALLTHROUGH */
465	case RESTORE:
466	break;
467	}
468	# endif	504	# endif
469	#endif	505	# ifdef VDISCRD
470	}	506	tio->c_cc[VDISCRD] = CFLUSH;
471
472	#ifdef UTMP_SUPPORT
473	void
474	rxvt_term::privileged_utmp (char action)
475	{
476	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",
477	action, next_utmp_action, getpid ()));
478	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
479	|| (Options & Opt_utmpInhibit)
480	|| ttydev == NULL || *ttydev == '\0')
481	return;
482
483	privileges (RESTORE);
484	if (action == SAVE)
485	{
486	next_utmp_action = RESTORE;
487	makeutent (ttydev, rs[Rs_display_name]);
488	}
489	else
490	{ /* action == RESTORE */
491	next_utmp_action = IGNORE;
492	cleanutent ();
493	}
494	privileges (IGNORE);
495	}
496	#endif
497
498	#ifndef NO_SETOWNER_TTYDEV
499	void
500	rxvt_term::privileged_ttydev (char action)
501	{
502	D_MAIN ((stderr,
503	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
504	action, next_tty_action, getpid ()));
505	if (next_tty_action != action || (action != SAVE && action != RESTORE)
506	|| ttydev == NULL || *ttydev == '\0')
507	return;
508
509	privileges (RESTORE);
510
511	if (action == SAVE)
512	{
513	next_tty_action = RESTORE;
514	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
515	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
516	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
517	next_tty_action = IGNORE;
518	else
519	# endif	507	# endif
520		508	# ifdef VWERSE
521	{	509	tio->c_cc[VWERSE] = CWERASE;
522	chown (ttydev, getuid (), ttygid); /* fail silently */
523	chmod (ttydev, ttymode);
524	# ifdef HAVE_REVOKE
525	revoke (ttydev);
526	# endif	510	# endif
527		511	# ifdef VLNEXT
528	}	512	tio->c_cc[VLNEXT] = CLNEXT;
529	}
530	else
531	{ /* action == RESTORE */
532	next_tty_action = IGNORE;
533	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
534	chmod (ttydev, ttyfd_stat.st_mode);
535	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
536	# else
537	chmod (ttydev,
538	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
539	chown (ttydev, 0, 0);
540	# endif	513	# endif
541		514	# ifdef VSTATUS
542	}	515	tio->c_cc[VSTATUS] = CSTATUS;
543
544	privileges (IGNORE);
545
546	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
547	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
548	action == RESTORE ? "Restoring" : (action ==
549	SAVE ? "Saving" :
550	"UNKNOWN ERROR for"), ttydev,
551	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
552	ttyfd_stat.st_gid));
553	# endif	516	# endif
554	}	517
		518	# if VMIN != VEOF
		519	tio->c_cc[VMIN] = 1;
555	#endif	520	# endif
		521	# if VTIME != VEOL
		522	tio->c_cc[VTIME] = 0;
		523	# endif
		524
		525	/* input modes */
		526	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		527	# ifdef IMAXBEL
		528	| IMAXBEL
		529	# endif
		530	| IXON);
		531
		532	/* output modes */
		533	tio->c_oflag = (OPOST | ONLCR);
		534
		535	/* control modes */
		536	tio->c_cflag = (CS8 | CREAD);
		537
		538	/* local modes */
		539	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		540	# if defined (ECHOCTL) && defined (ECHOKE)
		541	| ECHOCTL | ECHOKE
		542	# endif
		543	| ECHOE | ECHOK);
		544	}
		545
		546	char **rxvt_environ; // startup environment
		547
		548	void
		549	rxvt_init ()
		550	{
		551	assert (("fontMask must not overlap other RS masks",
		552	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		553
		554	rxvt_get_ttymode (&rxvt_term::def_tio);
		555
		556	// get rid of stdin/stdout as we don't need them, to free resources
		557	dup2 (STDERR_FILENO, STDIN_FILENO);
		558	dup2 (STDERR_FILENO, STDOUT_FILENO);
		559
		560	if (!ev_default_loop ())
		561	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		562
		563	rxvt_environ = environ;
		564
		565	signal (SIGHUP, SIG_IGN);
		566	signal (SIGPIPE, SIG_IGN);
		567
		568	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		569	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		570
		571	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		572	// TODO: handle this with exceptions and tolerate the memory loss
		573	XSetIOErrorHandler (rxvt_xioerror_handler);
		574
		575	XrmInitialize ();
		576
		577	#ifdef HAVE_PIXBUF
		578	g_type_init ();
		579	#endif
		580	}
556		581
557	/*----------------------------------------------------------------------*/	582	/*----------------------------------------------------------------------*/
558	/*	583	/*
559	* window size/position calculcations for XSizeHint and other storage.	584	* window size/position calculations for XSizeHint and other storage.
560	* if width/height are non-zero then override calculated width/height	585	* if width/height are non-zero then override calculated width/height
561	*/	586	*/
562	void	587	void
563	rxvt_term::window_calc (unsigned int width, unsigned int height)	588	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
564	{	589	{
565	short recalc_x, recalc_y;	590	short recalc_x, recalc_y;
566	int x, y, sb_w, mb_h, flags;	591	int x, y, flags;
567	unsigned int w, h;	592	unsigned int w, h;
568	unsigned int max_width, max_height;	593	unsigned int max_width, max_height;
569		594
570	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
571	TermWin.ncol, TermWin.nrow, szHint.width,
572	szHint.height));
573	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	595	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
574	szHint.win_gravity = NorthWestGravity;	596	szHint.win_gravity = NorthWestGravity;
575	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	597	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
576		598
577	recalc_x = recalc_y = 0;	599	recalc_x = recalc_y = 0;
578	flags = 0;	600	flags = 0;
		601
579	if (!parsed_geometry)	602	if (!parsed_geometry)
580	{	603	{
581	parsed_geometry = 1;	604	parsed_geometry = 1;
		605
582	if (rs[Rs_geometry])	606	if (rs[Rs_geometry])
583	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	607	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		608
584	if (flags & WidthValue)	609	if (flags & WidthValue)
585	{	610	{
586	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	611	if (!w)
		612	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		613
		614	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
587	szHint.flags |= USSize;	615	szHint.flags |= USSize;
588	}	616	}
		617
589	if (flags & HeightValue)	618	if (flags & HeightValue)
590	{	619	{
591	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	620	if (!h)
		621	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		622
		623	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
592	szHint.flags |= USSize;	624	szHint.flags |= USSize;
593	}	625	}
		626
594	if (flags & XValue)	627	if (flags & XValue)
595	{	628	{
596	szHint.x = x;	629	szHint.x = x;
597	szHint.flags |= USPosition;	630	szHint.flags |= USPosition;
		631
598	if (flags & XNegative)	632	if (flags & XNegative)
599	{	633	{
600	recalc_x = 1;	634	recalc_x = 1;
601	szHint.win_gravity = NorthEastGravity;	635	szHint.win_gravity = NorthEastGravity;
602	}	636	}
603	}	637	}
		638
604	if (flags & YValue)	639	if (flags & YValue)
605	{	640	{
606	szHint.y = y;	641	szHint.y = y;
607	szHint.flags |= USPosition;	642	szHint.flags |= USPosition;
		643
608	if (flags & YNegative)	644	if (flags & YNegative)
609	{	645	{
610	recalc_y = 1;	646	recalc_y = 1;
		647
611	if (szHint.win_gravity == NorthEastGravity)	648	if (szHint.win_gravity == NorthEastGravity)
612	szHint.win_gravity = SouthEastGravity;	649	szHint.win_gravity = SouthEastGravity;
613	else	650	else
614	szHint.win_gravity = SouthWestGravity;	651	szHint.win_gravity = SouthWestGravity;
615	}	652	}
616	}	653	}
617	}	654	}
		655
618	/* TODO: BOUNDS */	656	/* TODO: BOUNDS */
619	TermWin.width = TermWin.ncol * TermWin.fwidth;	657	width = ncol * fwidth;
620	TermWin.height = TermWin.nrow * TermWin.fheight;	658	height = nrow * fheight;
621	max_width = MAX_COLS * TermWin.fwidth;	659	max_width = MAX_COLS * fwidth;
622	max_height = MAX_ROWS * TermWin.fheight;	660	max_height = MAX_ROWS * fheight;
623		661
624	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	662	szHint.base_width = szHint.base_height = 2 * int_bwidth;
625		663
626	sb_w = mb_h = 0;
627	window_vt_x = window_vt_y = 0;	664	window_vt_x = window_vt_y = int_bwidth;
628	if (scrollbar_visible ())	665
		666	if (scrollBar.state)
629	{	667	{
630	sb_w = scrollbar_TotalWidth ();	668	int sb_w = scrollBar.total_width ();
631	szHint.base_width += sb_w;	669	szHint.base_width += sb_w;
		670
632	if (! (Options & Opt_scrollBar_right))	671	if (!option (Opt_scrollBar_right))
633	window_vt_x = sb_w;	672	window_vt_x += sb_w;
634	}
635	if (menubar_visible ())
636	{	673	}
637	mb_h = menuBar_TotalHeight ();	674
638	szHint.base_height += mb_h;
639	window_vt_y = mb_h;
640	}
641	szHint.width_inc = TermWin.fwidth;	675	szHint.width_inc = fwidth;
642	szHint.height_inc = TermWin.fheight;	676	szHint.height_inc = fheight;
643	szHint.min_width = szHint.base_width + szHint.width_inc;	677	szHint.min_width = szHint.base_width + szHint.width_inc;
644	szHint.min_height = szHint.base_height + szHint.height_inc;	678	szHint.min_height = szHint.base_height + szHint.height_inc;
645		679
646	if (width && width - szHint.base_width < max_width)	680	if (newwidth && newwidth - szHint.base_width < max_width)
647	{	681	{
648	szHint.width = width;	682	szHint.width = newwidth;
649	TermWin.width = width - szHint.base_width;	683	width = newwidth - szHint.base_width;
650	}	684	}
651	else	685	else
652	{	686	{
653	MIN_IT (TermWin.width, max_width);	687	min_it (width, max_width);
654	szHint.width = szHint.base_width + TermWin.width;	688	szHint.width = szHint.base_width + width;
655	}	689	}
		690
656	if (height && height - szHint.base_height < max_height)	691	if (newheight && newheight - szHint.base_height < max_height)
657	{	692	{
658	szHint.height = height;	693	szHint.height = newheight;
659	TermWin.height = height - szHint.base_height;	694	height = newheight - szHint.base_height;
660	}	695	}
661	else	696	else
662	{	697	{
663	MIN_IT (TermWin.height, max_height);	698	min_it (height, max_height);
664	szHint.height = szHint.base_height + TermWin.height;	699	szHint.height = szHint.base_height + height;
665	}	700	}
666	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
667	window_sb_x = szHint.width - sb_w;
668		701
669	if (recalc_x)	702	if (recalc_x)
670	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	703	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
671	- szHint.width - 2 * TermWin.ext_bwidth);	704
672	if (recalc_y)	705	if (recalc_y)
673	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	706	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
674	- szHint.height - 2 * TermWin.ext_bwidth);
675		707
676	TermWin.ncol = TermWin.width / TermWin.fwidth;	708	ncol = width / fwidth;
677	TermWin.nrow = TermWin.height / TermWin.fheight;	709	nrow = height / fheight;
678	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	710
679	TermWin.ncol, TermWin.nrow, szHint.width,	711	// When the size of the vt window is not a multiple of the cell
680	szHint.height));	712	// size, i.e., when the wm does not honour our size hints, there are
681	return;	713	// extra areas not covered by the terminal screen. Such gaps, when a
		714	// bg pixmap is set, would have to be cleared manually to properly
		715	// refresh the background. We take the simpler route and shrink the
		716	// vt window so as to avoid creating gaps.
		717	vt_width = ncol * fwidth;
		718	vt_height = nrow * fheight;
682	}	719	}
683		720
684	/*----------------------------------------------------------------------*/	721	/*----------------------------------------------------------------------*/
685	/*	722	/*
686	* Tell the teletype handler what size the window is.	723	* Tell the teletype handler what size the window is.
687	* Called after a window size change.	724	* Called after a window size change.
688	*/	725	*/
689	void	726	void
690	rxvt_term::tt_winch ()	727	rxvt_term::tt_winch ()
691	{	728	{
		729	if (pty->pty < 0)
		730	return;
		731
692	struct winsize ws;	732	struct winsize ws;
693		733
694	if (cmd_fd < 0)
695	return;
696
697	ws.ws_col = TermWin.ncol;	734	ws.ws_col = ncol;
698	ws.ws_row = TermWin.nrow;	735	ws.ws_row = nrow;
699	ws.ws_xpixel = ws.ws_ypixel = 0;	736	ws.ws_xpixel = vt_width;
700	#ifndef DEBUG_SIZE	737	ws.ws_ypixel = vt_height;
701	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	738	ioctl (pty->pty, TIOCSWINSZ, &ws);
		739
		740	#if 0
		741	// TIOCSWINSZ is supposed to do this automatically and correctly
		742	if (cmd_pid) /* force through to the command */
		743	kill (-cmd_pid, SIGWINCH);
		744	#endif
		745	}
		746
		747	/*----------------------------------------------------------------------*/
		748	/* load and set the various fonts */
		749	bool
		750	rxvt_term::set_fonts ()
		751	{
		752	rxvt_fontset *fs = new rxvt_fontset (this);
		753	rxvt_fontprop prop;
		754
		755	if (!fs
		756	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		757	|| !fs->realize_font (1))
		758	{
		759	delete fs;
		760	return false;
		761	}
		762
		763	#if ENABLE_STYLES
		764	for (int i = RS_styleCount; --i; )
		765	if (fontset[i] != fontset[0])
		766	delete fontset[i];
		767	#endif
		768
		769	delete fontset[0];
		770	fontset[0] = fs;
		771
		772	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		773	prop.width += letterSpace;
		774
		775	fs->set_prop (prop, false);
		776
		777	fwidth = prop.width;
		778	fheight = prop.height + lineSpace;
		779	fbase = prop.ascent;
		780
		781	for (int style = 1; style < 4; style++)
		782	{
		783	#if ENABLE_STYLES
		784	const char *res = rs[Rs_font + style];
		785
		786	if (res && !*res)
		787	fontset[style] = fontset[0];
		788	else
		789	{
		790	fontset[style] = fs = new rxvt_fontset (this);
		791	rxvt_fontprop prop2 = prop;
		792
		793	if (res)
		794	{
		795	fs->populate (res);
		796	fs->set_prop (prop2, false);
		797	}
		798	else
		799	{
		800	fs->populate (fontset[0]->fontdesc);
		801
		802	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		803	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		804
		805	fs->set_prop (prop2, true);
		806	}
		807
		808	}
702	#else	809	#else
703	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	810	fontset[style] = fontset[0];
704	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
705	# ifdef SIGWINCH
706	else if (cmd_pid) /* force through to the command */
707	kill (cmd_pid, SIGWINCH);
708	# endif	811	#endif
709	#endif
710	}
711
712	/*----------------------------------------------------------------------*/
713	/* rxvt_change_font () - Switch to a new font */
714	/*
715	* init = 1 - initialize
716	*
717	* fontname == FONT_UP - switch to bigger font
718	* fontname == FONT_DN - switch to smaller font
719	*/
720	bool
721	rxvt_term::change_font (const char *fontname)
722	{
723	if (fontname == FONT_UP)
724	{	812	}
725	// TODO	813
		814	if (parent)
726	}	815	{
727	else if (fontname == FONT_DN)
728	{
729	// TODO
730	}
731	else
732	{
733	rxvt_fontset *fs = new rxvt_fontset (this);
734
735	if (fs && fs->populate (fontname))
736	{
737	delete TermWin.fontset;
738	TermWin.fontset = fs;
739	TermWin.fwidth = fs->base_font ()->width;
740	TermWin.fheight = fs->base_font ()->height;
741	TermWin.fbase = fs->base_font ()->ascent;
742
743	// TODO: screen needs to be told about new fonts
744
745	if (TermWin.parent[0])
746	{
747	resize_all_windows (0, 0, 0);	816	resize_all_windows (0, 0, 0);
748	scr_remap_chars ();	817	scr_remap_chars ();
749	scr_touch (true);	818	scr_touch (true);
750	}	819	}
751		820
752	return true;	821	return true;
753	}	822	}
		823
		824	void
		825	rxvt_term::set_string_property (Atom prop, const char *str, int len)
		826	{
		827	XChangeProperty (dpy, parent,
		828	prop, XA_STRING, 8, PropModeReplace,
		829	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		830	}
		831
		832	void
		833	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		834	{
		835	XTextProperty ct;
		836
		837	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
754	}	838	{
755		839	XSetTextProperty (dpy, parent, &ct, prop);
756	return false;	840	XFree (ct.value);
		841	}
757	}	842	}
758		843
759	bool	844	void
760	rxvt_term::font_up_down (int n, int direction)	845	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
761	{	846	{
762	return false;	847	wchar_t *ws = rxvt_mbstowcs (str, len);
		848	char *s = rxvt_wcstoutf8 (ws);
		849
		850	XChangeProperty (dpy, parent,
		851	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		852	(const unsigned char *)s, strlen (s));
		853
		854	free (s);
		855	free (ws);
763	}	856	}
764		857
765	/*----------------------------------------------------------------------*/	858	/*----------------------------------------------------------------------*/
766	/*----------------------------------------------------------------------*/	859	/*----------------------------------------------------------------------*/
767	/* xterm sequences - title, iconName, color (exptl) */	860	/* xterm sequences - title, iconName, color (exptl) */
768	void	861	void
769	rxvt_term::set_title (const char *str)	862	rxvt_term::set_title (const char *str)
770	{	863	{
771	#ifndef SMART_WINDOW_TITLE	864	set_mbstring_property (XA_WM_NAME, str);
772	XStoreName (display->display, TermWin.parent[0], str);	865	#if ENABLE_EWMH
773	#else	866	set_utf8_property (xa[XA_NET_WM_NAME], str);
774	char *name;
775
776	if (XFetchName (display->display, TermWin.parent[0], &name) == 0)
777	name = NULL;
778	if (name == NULL || STRCMP (name, str))
779	XStoreName (display->display, TermWin.parent[0], str);
780	if (name)
781	XFree (name);
782	#endif	867	#endif
783	}	868	}
784		869
785	void	870	void
786	rxvt_term::set_iconName (const char *str)	871	rxvt_term::set_icon_name (const char *str)
787	{	872	{
788	#ifndef SMART_WINDOW_TITLE	873	set_mbstring_property (XA_WM_ICON_NAME, str);
789	XSetIconName (display->display, TermWin.parent[0], str);	874	#if ENABLE_EWMH
790	#else	875	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
791	char *name;
792
793	if (XGetIconName (display->display, TermWin.parent[0], &name))
794	name = NULL;
795	if (name == NULL || STRCMP (name, str))
796	XSetIconName (display->display, TermWin.parent[0], str);
797	if (name)
798	XFree (name);
799	#endif	876	#endif
800	}	877	}
801		878
		879	void
		880	rxvt_term::set_window_color (int idx, const char *color)
		881	{
802	#ifdef XTERM_COLOR_CHANGE	882	#ifdef XTERM_COLOR_CHANGE
803	void
804	rxvt_term::set_window_color (int idx, const char *color)
805	{
806	rxvt_color xcol;	883	rxvt_color xcol;
807	int i;
808		884
809	if (color == NULL || *color == '\0')	885	if (color == NULL || *color == '\0')
810	return;	886	return;
811		887
		888	color = strdup (color);
		889	allocated.push_back ((void *)color);
		890	rs[Rs_color + idx] = color;
		891
812	/* handle color aliases */	892	/* handle color aliases */
813	if (isdigit (*color))	893	if (isdigit (*color))
814	{	894	{
815	i = atoi (color);	895	int i = atoi (color);
		896
816	if (i >= 8 && i <= 15)	897	if (i >= 8 && i <= 15)
		898	{
817	{ /* bright colors */	899	/* bright colors */
818	i -= 8;
819	# ifndef NO_BRIGHTCOLOR
820	PixColors[idx] = PixColors[minBrightCOLOR + i];	900	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
821	SET_PIXCOLOR (idx);
822	goto Done;	901	goto done;
823	# endif
824
825	}	902	}
		903
826	if (i >= 0 && i <= 7)	904	if (i >= 0 && i <= 7)
		905	{
827	{ /* normal colors */	906	/* normal colors */
828	PixColors[idx] = PixColors[minCOLOR + i];	907	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
829	SET_PIXCOLOR (idx);
830	goto Done;	908	goto done;
831	}	909	}
832	}	910	}
833	if (!rXParseAllocColor (& xcol, color))	911
834	return;	912	set_color (xcol, color);
835	/* XStoreColor (display->display, XCMAP, XColor*); */
836		913
837	/*	914	/*
838	* FIXME: should free colors here, but no idea how to do it so instead,	915	* FIXME: should free colors here, but no idea how to do it so instead,
839	* so just keep gobbling up the colormap	916	* so just keep gobbling up the colormap
840	*/	917	*/
841	# if 0
842	for (i = Color_Black; i <= Color_White; i++)
843	if (PixColors[idx] == PixColors[i])
844	break;
845	if (i > Color_White)
846	{
847	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
848	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,
849	DisplayPlanes (display->display, display->screen));
850	}
851	# endif
852		918
853	PixColors[idx] = xcol;	919	pix_colors_focused[idx] = xcol;
854	SET_PIXCOLOR (idx);
855		920
856	/* XSetWindowAttributes attr; */
857	/* Cursor cursor; */
858	Done:	921	done:
859	if (idx == Color_bg && ! (Options & Opt_transparent))
860	XSetWindowBackground (display->display, TermWin.vt,
861	PixColors[Color_bg]);
862
863	/* handle Color_BD, scrollbar background, etc. */	922	/*TODO: handle Color_BD, scrollbar background, etc. */
864		923
865	set_colorfgbg ();	924	update_fade_color (idx);
866	recolour_cursor ();	925	recolour_cursor ();
867	/* the only reasonable way to enforce a clean update */	926	scr_recolour ();
868	scr_poweron ();	927	#endif /* XTERM_COLOR_CHANGE */
869	}	928	}
870
871	#else
872	# define set_window_color (idx,color) ((void)0)
873	#endif /* XTERM_COLOR_CHANGE */
874		929
875	void	930	void
876	rxvt_term::recolour_cursor ()	931	rxvt_term::recolour_cursor ()
877	{	932	{
878	#if TODO	933	XColor fg, bg;
879	rxvt_color xcol[2];
880		934
881	xcol[0] = PixColors[Color_pointer];	935	(ISSET_PIXCOLOR (Color_pointer_fg)
882	xcol[1] = PixColors[Color_bg];	936	? pix_colors_focused[Color_pointer_fg]
883	XQueryColors (display->display, XCMAP, xcol, 2);	937	: pix_colors_focused[Color_fg]).get (fg);
884	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	938
885	#endif	939	(ISSET_PIXCOLOR (Color_pointer_bg)
		940	? pix_colors_focused[Color_pointer_bg]
		941	: pix_colors_focused[Color_bg]).get (bg);
		942
		943	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
886	}	944	}
887		945
888	/*----------------------------------------------------------------------*/	946	/*----------------------------------------------------------------------*/
889	/*	947	/*
890	* find if fg/bg matches any of the normal (low-intensity) colors	948	* find if fg/bg matches any of the normal (low-intensity) colors
891	*/	949	*/
892	void	950	char *
893	rxvt_term::set_colorfgbg ()	951	rxvt_term::get_colorfgbg ()
894	{	952	{
895	unsigned int i;	953	unsigned int i;
896	const char *xpmb = "\0";	954	const char *xpmb = "";
897	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	955	char fstr[] = "default";
898		956	char bstr[] = "default";
899	env_colorfgbg =	957	char *env_colorfgbg;
900	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);	958
901	STRCPY (fstr, "default");
902	STRCPY (bstr, "default");
903	for (i = Color_Black; i <= Color_White; i++)	959	for (i = Color_Black; i <= Color_White; i++)
904	if (PixColors[Color_fg] == PixColors[i])	960	if (pix_colors[Color_fg] == pix_colors[i])
905	{	961	{
906	sprintf (fstr, "%d", (i - Color_Black));	962	sprintf (fstr, "%d", i - Color_Black);
907	break;	963	break;
908	}	964	}
		965
909	for (i = Color_Black; i <= Color_White; i++)	966	for (i = Color_Black; i <= Color_White; i++)
910	if (PixColors[Color_bg] == PixColors[i])	967	if (pix_colors[Color_bg] == pix_colors[i])
911	{	968	{
912	sprintf (bstr, "%d", (i - Color_Black));	969	sprintf (bstr, "%d", i - Color_Black);
913	#ifdef XPM_BACKGROUND	970	#ifdef BG_IMAGE_FROM_FILE
914	xpmb = "default;";	971	xpmb = "default;";
915	#endif	972	#endif
916	break;	973	break;
917	}	974	}
918		975
		976	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
919	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	977	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
920		978	return env_colorfgbg;
921	#ifndef NO_BRIGHTCOLOR
922	colorfgbg = DEFAULT_RSTYLE;
923	for (i = minCOLOR; i <= maxCOLOR; i++)
924	{
925	if (PixColors[Color_fg] == PixColors[i])
926	colorfgbg = SET_FGCOLOR (colorfgbg, i);
927	if (PixColors[Color_bg] == PixColors[i])
928	colorfgbg = SET_BGCOLOR (colorfgbg, i);
929	}
930	#endif
931	}	979	}
932		980
933	/*----------------------------------------------------------------------*/	981	/*----------------------------------------------------------------------*/
934	/*
935	* Colour determination for low colour displays, routine from
936	* Hans de Goede <hans@highrise.nl>
937	*/
938		982
939	int	983	bool
940	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	984	rxvt_term::set_color (rxvt_color &color, const char *name)
941	{	985	{
942	if (!screen_in_out->set (display, colour))	986	if (color.set (this, name))
943	{
944	rxvt_print_error ("can't allocate colour: %s", colour);
945	return false;
946	}
947
948	return true;	987	return true;
		988
		989	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		990	return false;
		991	}
		992
		993	void
		994	rxvt_term::alias_color (int dst, int src)
		995	{
		996	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
949	}	997	}
950		998
951	/* -------------------------------------------------------------------- *	999	/* -------------------------------------------------------------------- *
952	* - WINDOW RESIZING - *	1000	* - WINDOW RESIZING - *
953	* -------------------------------------------------------------------- */	1001	* -------------------------------------------------------------------- */
954	void	1002	void
955	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1003	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
956	{	1004	{
957	int fix_screen;	1005	int fix_screen;
		1006	int old_width = szHint.width;
		1007	int old_height = szHint.height;
958		1008
959	#ifdef SMART_RESIZE
960	int old_width = szHint.width, old_height = szHint.height;
961	#endif
962
963	window_calc (width, height);	1009	window_calc (newwidth, newheight);
		1010
		1011	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1012
		1013	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1014	if (set_hint)
		1015	{
		1016	szHint.flags &= ~(PBaseSize | PResizeInc);
964	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1017	XSetWMNormalHints (dpy, parent, &szHint);
		1018	szHint.flags |= PBaseSize | PResizeInc;
		1019	}
		1020
965	if (!ignoreparent)	1021	if (!ignoreparent)
966	{	1022	{
967	#ifdef SMART_RESIZE	1023	#ifdef SMART_RESIZE
968	/*	1024	/*
969	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1025	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
972	int x, y, x1, y1;	1028	int x, y, x1, y1;
973	int dx, dy;	1029	int dx, dy;
974	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1030	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
975	Window unused_cr;	1031	Window unused_cr;
976		1032
977	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1033	XTranslateCoordinates (dpy, parent, display->root,
978	0, 0, &x, &y, &unused_cr);	1034	0, 0, &x, &y, &unused_cr);
979	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1035	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
980	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1036	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
981	/*	1037	/*
982	* if display->root isn't the parent window, a WM will probably have offset	1038	* if display->root isn't the parent window, a WM will probably have offset
983	* our position for handles and decorations. Counter it	1039	* our position for handles and decorations. Counter it
984	*/	1040	*/
…		…
986	{	1042	{
987	x -= x1;	1043	x -= x1;
988	y -= y1;	1044	y -= y1;
989	}	1045	}
990		1046
991	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1047	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
992	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1048	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
993	dx = old_width - szHint.width;	1049	dx = old_width - szHint.width;
994	dy = old_height - szHint.height;	1050	dy = old_height - szHint.height;
995		1051
996	/* Check position of the center of the window */	1052	/* Check position of the center of the window */
997	if (x < x1) /* left half */	1053	if (x < x1) /* left half */
998	dx = 0;	1054	dx = 0;
…		…
1001	if (y < y1) /* top half */	1057	if (y < y1) /* top half */
1002	dy = 0;	1058	dy = 0;
1003	else if (y == y1) /* exact center */	1059	else if (y == y1) /* exact center */
1004	dy /= 2;	1060	dy /= 2;
1005		1061
1006	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1062	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
1007	szHint.width, szHint.height);	1063	szHint.width, szHint.height);
1008	#else	1064	#else
1009	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	1065	XResizeWindow (dpy, parent, szHint.width, szHint.height);
1010	szHint.height);
1011	#endif	1066	#endif
1012
1013	}	1067	}
1014		1068
1015	fix_screen = (TermWin.ncol != prev_ncol	1069	if (set_hint)
1016	|| TermWin.nrow != prev_nrow);	1070	XSetWMNormalHints (dpy, parent, &szHint);
1017		1071
		1072	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1073
1018	if (fix_screen || width != old_width || height != old_height)	1074	if (fix_screen || newwidth != old_width || newheight != old_height)
1019	{	1075	{
1020	if (scrollbar_visible ())	1076	if (scrollBar.state)
1021	{	1077	scrollBar.resize ();
1022	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
1023	0, scrollbar_TotalWidth (), szHint.height);
1024	resize_scrollbar ();
1025	}
1026		1078
1027	if (menubar_visible ())	1079	XMoveResizeWindow (dpy, vt,
1028	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	1080	window_vt_x, window_vt_y,
1029	0, TermWin_TotalWidth (), menuBar_TotalHeight ());	1081	vt_width, vt_height);
1030		1082
1031	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,	1083	#ifdef HAVE_BG_PIXMAP
1032	window_vt_y, TermWin_TotalWidth (),	1084	if (bg_window_size_sensitive ())
1033	TermWin_TotalHeight ());	1085	update_background ();
1034	scr_clear ();
1035	#ifdef XPM_BACKGROUND
1036	resize_pixmap ();
1037	#endif	1086	#endif
1038
1039	}	1087	}
1040		1088
1041	if (fix_screen || old_height == 0)	1089	if (fix_screen || old_height == 0)
1042	{
1043	int curr_screen = -1;
1044	int old_ncol = prev_ncol;
1045
1046	/* scr_reset only works on the primary screen */
1047	if (old_height) /* this is not the first time through */
1048	{
1049	unsigned int ncol = TermWin.ncol;
1050	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1051	curr_screen = scr_change_screen (PRIMARY);
1052	TermWin.ncol = ncol;
1053	}
1054
1055	scr_reset ();	1090	scr_reset ();
1056
1057	if (curr_screen >= 0) /* this is not the first time through */
1058	{
1059	scr_change_screen (curr_screen);
1060	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1061	}
1062	}
1063
1064	old_width = szHint.width;
1065	old_height = szHint.height;
1066		1091
1067	#ifdef USE_XIM	1092	#ifdef USE_XIM
1068	IMSetStatusPosition ();	1093	im_set_position ();
1069	#endif	1094	#endif
1070	}	1095	}
1071		1096
1072	/*	1097	/*
1073	* Set the width/height of the vt window in characters. Units are pixels.	1098	* Set the width/height of the vt window in characters. Units are pixels.
1074	* good for toggling 80/132 columns	1099	* good for toggling 80/132 columns
1075	*/	1100	*/
1076	void	1101	void
1077	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1102	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1078	{	1103	{
1079	XWindowAttributes wattr;	1104	XWindowAttributes wattr;
1080		1105
1081	if (width == 0 || height == 0)	1106	if (newwidth == 0 || newheight == 0)
1082	{	1107	{
1083	XGetWindowAttributes (display->display, display->root, &wattr);	1108	XGetWindowAttributes (dpy, display->root, &wattr);
		1109
1084	if (width == 0)	1110	if (newwidth == 0)
1085	width = wattr.width - szHint.base_width;	1111	newwidth = wattr.width - szHint.base_width;
1086	if (height == 0)	1112	if (newheight == 0)
1087	height = wattr.height - szHint.base_height;	1113	newheight = wattr.height - szHint.base_height;
1088	}
1089	if (width != TermWin.width || height != TermWin.height)
1090	{	1114	}
		1115
		1116	if (newwidth != vt_width || newheight != vt_height)
		1117	{
1091	width += szHint.base_width;	1118	newwidth += szHint.base_width;
1092	height += szHint.base_height;	1119	newheight += szHint.base_height;
1093	resize_all_windows (width, height, 0);	1120	resize_all_windows (newwidth, newheight, 0);
1094	}	1121	}
1095	}	1122	}
1096		1123
1097	/* -------------------------------------------------------------------- *	1124	/* -------------------------------------------------------------------- *
1098	* - X INPUT METHOD ROUTINES - *	1125	* - X INPUT METHOD ROUTINES - *
1099	* -------------------------------------------------------------------- */	1126	* -------------------------------------------------------------------- */
1100	#ifdef USE_XIM	1127	#ifdef USE_XIM
1101		1128
1102	void	1129	void
		1130	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1131	{
		1132	fg = pix_colors [Color_fg];
		1133	bg = pix_colors [Color_bg];
		1134	}
		1135
		1136	void
1103	rxvt_term::im_set_size (XRectangle *size)	1137	rxvt_term::im_set_size (XRectangle &size)
1104	{	1138	{
1105	size->x = TermWin.int_bwidth;	1139	// the int_bwidth terms make no sense to me
1106	size->y = TermWin.int_bwidth;	1140	size.x = int_bwidth;
1107	size->width = Width2Pixel (TermWin.ncol);	1141	size.y = int_bwidth;
1108	size->height = Height2Pixel (TermWin.nrow);	1142	size.width = Width2Pixel (ncol) + int_bwidth;
		1143	size.height = Height2Pixel (nrow) + int_bwidth;
1109	}	1144	}
1110		1145
1111	void	1146	void
1112	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1147	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1148	XRectangle &status_rect,
		1149	const XRectangle &needed_rect)
1113	{	1150	{
1114	*fg = PixColors[Color_fg];	1151	preedit_rect.x = needed_rect.width;
1115	*bg = PixColors[Color_bg];	1152	preedit_rect.y = 0;
		1153	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1154	preedit_rect.height = fheight;
		1155
		1156	status_rect.x = 0;
		1157	status_rect.y = 0;
		1158	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1159	status_rect.height = fheight;
1116	}	1160	}
1117		1161
1118	/* Checking whether input method is running. */	1162	/* Checking whether input method is running. */
1119	bool	1163	bool
1120	rxvt_term::IMisRunning ()	1164	rxvt_term::im_is_running ()
1121	{	1165	{
1122	char *p;	1166	Atom atom;
1123	Atom atom;	1167	Window win;
1124	Window win;
1125	char server[IMBUFSIZ];	1168	char server[IMBUFSIZ];
1126		1169
1127	/* get current locale modifier */	1170	/* get current locale modifier */
1128	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1171	if (char *p = XSetLocaleModifiers (0))
1129	{	1172	{
1130	STRCPY (server, "@server=");	1173	strcpy (server, "@server=");
1131	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1174	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1175
1132	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1176	if (p = strchr (server + 1, '@')) /* first one only */
1133	*p = '\0';	1177	*p = '\0';
1134		1178
1135	atom = XInternAtom (display->display, server, False);	1179	atom = XInternAtom (dpy, server, False);
1136	win = XGetSelectionOwner (display->display, atom);	1180	win = XGetSelectionOwner (dpy, atom);
		1181
1137	if (win != None)	1182	if (win != None)
1138	return True;	1183	return true;
1139	}	1184	}
		1185
1140	return False;	1186	return false;
1141	}	1187	}
1142		1188
1143	void	1189	void
1144	rxvt_term::IMSendSpot ()	1190	rxvt_term::im_send_spot ()
1145	{	1191	{
1146	XPoint spot;	1192	XPoint nspot;
1147	XVaNestedList preedit_attr;	1193	XVaNestedList preedit_attr;
1148		1194
1149	if (Input_Context == NULL	1195	if (!Input_Context
1150	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1196	|| !focus
1151	|| ! (event_type == KeyPress	1197	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1152	|| event_type == Expose
1153	|| event_type == NoExpose
1154	|| event_type == SelectionNotify
1155	|| event_type == ButtonRelease || event_type == FocusIn)
1156	|| !IMisRunning ())
1157	return;	1198	return;
1158		1199
1159	im_set_position (&spot);	1200	im_set_position (nspot);
		1201
		1202	if (nspot.x == spot.x && nspot.y == spot.y)
		1203	return;
		1204
		1205	spot = nspot;
1160		1206
1161	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1207	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1162	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1208	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1163	XFree (preedit_attr);	1209	XFree (preedit_attr);
1164	}	1210	}
1165		1211
1166	void	1212	void
1167	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1168	XRectangle * needed_rect)
1169	{
1170	int mbh, vtx = 0;
1171
1172	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1173	vtx = scrollbar_TotalWidth ();
1174
1175	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1176	mbh -= TermWin.lineSpace;
1177
1178	preedit_rect->x = needed_rect->width + vtx;
1179	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1180
1181	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1182	preedit_rect->height = Height2Pixel (1);
1183
1184	status_rect->x = vtx;
1185	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1186
1187	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1188	status_rect->height = Height2Pixel (1);
1189	}
1190
1191	void
1192	rxvt_term::im_destroy ()	1213	rxvt_term::im_destroy ()
1193	{	1214	{
1194	if (Input_Context)
1195	{
1196	XDestroyIC (Input_Context);
1197	Input_Context = NULL;
1198	}
1199
1200	if (input_method)	1215	if (input_method)
1201	{	1216	{
		1217	if (Input_Context && input_method->xim)
		1218	XDestroyIC (Input_Context);
		1219
1202	display->put_xim (input_method);	1220	display->put_xim (input_method);
1203	input_method = 0;	1221	input_method = 0;
1204	}	1222	}
		1223
		1224	Input_Context = 0;
1205	}	1225	}
		1226
		1227	#ifdef ENABLE_XIM_ONTHESPOT
		1228
		1229	static void
		1230	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1231	{
		1232	((rxvt_term *)client_data)->make_current ();
		1233	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1234	}
		1235
		1236	static void
		1237	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1238	{
		1239	((rxvt_term *)client_data)->make_current ();
		1240	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1241	}
		1242
		1243	static void
		1244	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1245	{
		1246	rxvt_term *term = (rxvt_term *)client_data;
		1247	XIMText *text = call_data->text;
		1248
		1249	term->make_current ();
		1250
		1251	if (text)
		1252	{
		1253	wchar_t *str;
		1254
		1255	if (!text->encoding_is_wchar && text->string.multi_byte)
		1256	{
		1257	// of course, X makes it ugly again
		1258	if (term->rs[Rs_imLocale])
		1259	SET_LOCALE (term->rs[Rs_imLocale]);
		1260
		1261	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1262	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1263
		1264	if (term->rs[Rs_imLocale])
		1265	SET_LOCALE (term->locale);
		1266	}
		1267	else
		1268	str = text->string.wide_char;
		1269
		1270	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1271	DT_INT, call_data->caret,
		1272	DT_INT, call_data->chg_first,
		1273	DT_INT, call_data->chg_length,
		1274	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1275	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1276	DT_END));
		1277	}
		1278	else
		1279	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1280	DT_INT, call_data->caret,
		1281	DT_INT, call_data->chg_first,
		1282	DT_INT, call_data->chg_length,
		1283	DT_END));
		1284	}
		1285
		1286	#if 0
		1287	static void
		1288	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1289	{
		1290	((rxvt_term *)client_data)->make_current ();
		1291	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1292	DT_INT, call_data->position,
		1293	DT_INT, call_data->direction,
		1294	DT_INT, call_data->style,
		1295	DT_END));
		1296	}
		1297	#endif
		1298
		1299	#endif
1206		1300
1207	/*	1301	/*
1208	* Try to open a XIM with the current modifiers, then see if we can	1302	* Try to open a XIM with the current modifiers, then see if we can
1209	* open a suitable preedit type	1303	* open a suitable preedit type
1210	*/	1304	*/
1211	bool	1305	bool
1212	rxvt_term::IM_get_IC (const char *modifiers)	1306	rxvt_term::im_get_ic (const char *modifiers)
1213	{	1307	{
1214	int i, j, found;	1308	int i, j, found;
1215	XIM xim;	1309	XIM xim;
1216	XPoint spot;	1310	XPoint spot;
1217	XRectangle rect, status_rect, needed_rect;	1311	XRectangle rect, status_rect, needed_rect;
1218	unsigned long fg, bg;	1312	unsigned long fg, bg;
1219	const char *p;	1313	const char *p;
1220	char **s;	1314	char **s;
1221	XIMStyles *xim_styles;	1315	XIMStyles *xim_styles;
1222	XVaNestedList preedit_attr, status_attr;	1316
		1317	set_environ (envv);
1223		1318
1224	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1319	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1225	return false;	1320	return false;
1226		1321
1227	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1228	input_method = display->get_xim (locale, modifiers);	1322	input_method = display->get_xim (locale, modifiers);
1229	if (input_method == NULL)	1323	if (input_method == NULL)
1230	return false;	1324	return false;
1231		1325
1232	xim = input_method->xim;	1326	xim = input_method->xim;
		1327	spot.x = spot.y = -1;
1233		1328
1234	xim_styles = NULL;	1329	xim_styles = NULL;
1235	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1330	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1236	|| !xim_styles || !xim_styles->count_styles)	1331	|| !xim_styles || !xim_styles->count_styles)
1237	{	1332	{
1238	display->put_xim (input_method);	1333	im_destroy ();
1239	return false;	1334	return false;
1240	}	1335	}
1241		1336
1242	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1337	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1243	s = rxvt_splitcommastring (p);	1338
		1339	for (int pi = 0; pi < 2; pi++)
		1340	{
		1341	p = pet[pi];
		1342
		1343	if (!p)
		1344	continue;
		1345
		1346	s = rxvt_strsplit (',', p);
		1347
1244	for (i = found = 0; !found && s[i]; i++)	1348	for (i = found = 0; !found && s[i]; i++)
1245	{	1349	{
1246	if (!STRCMP (s[i], "OverTheSpot"))	1350	if (!strcmp (s[i], "OverTheSpot"))
1247	input_style = (XIMPreeditPosition | XIMStatusNothing);	1351	input_style = XIMPreeditPosition | XIMStatusNothing;
1248	else if (!STRCMP (s[i], "OffTheSpot"))	1352	else if (!strcmp (s[i], "OffTheSpot"))
1249	input_style = (XIMPreeditArea | XIMStatusArea);	1353	input_style = XIMPreeditArea | XIMStatusArea;
1250	else if (!STRCMP (s[i], "Root"))	1354	else if (!strcmp (s[i], "Root"))
1251	input_style = (XIMPreeditNothing | XIMStatusNothing);	1355	input_style = XIMPreeditNothing | XIMStatusNothing;
		1356	else if (!strcmp (s[i], "None"))
		1357	input_style = XIMPreeditNone | XIMStatusNone;
		1358	#ifdef ENABLE_XIM_ONTHESPOT
		1359	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1360	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1361	#endif
		1362	else
		1363	input_style = XIMPreeditNothing | XIMStatusNothing;
1252		1364
1253	for (j = 0; j < xim_styles->count_styles; j++)	1365	for (j = 0; j < xim_styles->count_styles; j++)
1254	if (input_style == xim_styles->supported_styles[j])	1366	if (input_style == xim_styles->supported_styles[j])
1255	{	1367	{
		1368	rxvt_free_strsplit (s);
		1369
1256	found = 1;	1370	found = 1;
1257	break;	1371	goto foundpet;
		1372	}
		1373
1258	}	1374	}
1259	}
1260		1375
1261	for (i = 0; s[i]; i++)	1376	rxvt_free_strsplit (s);
1262	free (s[i]);	1377	}
1263		1378
1264	free (s);	1379	foundpet:
		1380
1265	XFree (xim_styles);	1381	XFree (xim_styles);
1266		1382
1267	if (!found)	1383	if (!found)
1268	{	1384	{
1269	display->put_xim (input_method);	1385	im_destroy ();
1270	return false;	1386	return false;
1271	}	1387	}
1272		1388
1273	preedit_attr = status_attr = NULL;	1389	XFontSet fs = 0;
		1390	XVaNestedList preedit_attr = 0, status_attr = 0;
		1391
		1392	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1393	{
		1394	// fake us a font-set, please
		1395	char **missing_charset_list;
		1396	int missing_charset_count;
		1397	char *def_string;
		1398	char pat[512];
		1399
		1400	sprintf (pat,
		1401	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1402	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1403	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1404	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1405	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1406	"*",
		1407	fheight,
		1408	fheight + 1, fheight - 1,
		1409	fheight - 2, fheight + 2);
		1410
		1411	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1412	&missing_charset_list, &missing_charset_count, &def_string);
		1413
		1414	if (missing_charset_list)
		1415	XFreeStringList (missing_charset_list);
		1416
		1417	if (!fs)
		1418	{
		1419	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1420	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1421	}
		1422	}
1274		1423
1275	if (input_style & XIMPreeditPosition)	1424	if (input_style & XIMPreeditPosition)
1276	{	1425	{
1277	im_set_size (&rect);	1426	im_set_size (rect);
1278	im_set_position (&spot);	1427	im_set_position (spot);
1279	im_set_color (&fg, &bg);	1428	im_set_color (fg, bg);
1280		1429
1281	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1430	preedit_attr = XVaCreateNestedList (0,
		1431	XNForeground, fg,
		1432	XNBackground, bg,
		1433	XNArea, &rect,
1282	XNSpotLocation, &spot,	1434	XNSpotLocation, &spot,
1283	XNForeground, fg, XNBackground, bg,
1284	//XNFontSet, TermWin.fontset,	1435	XNFontSet, fs,
1285	NULL);	1436	NULL);
1286	}	1437	}
1287	else if (input_style & XIMPreeditArea)	1438	else if (input_style & XIMPreeditArea)
1288	{	1439	{
1289	im_set_color (&fg, &bg);	1440	im_set_color (fg, bg);
1290		1441
1291	/*	1442	/*
1292	* The necessary width of preedit area is unknown	1443	* The necessary width of preedit area is unknown
1293	* until create input context.	1444	* until create input context.
1294	*/	1445	*/
1295	needed_rect.width = 0;	1446	needed_rect.width = 0;
1296
1297	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1447	im_set_preedit_area (rect, status_rect, needed_rect);
1298		1448
1299	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1449	preedit_attr = XVaCreateNestedList (0,
		1450	XNForeground, fg,
1300	XNForeground, fg, XNBackground, bg,	1451	XNBackground, bg,
		1452	XNArea, &rect,
		1453	XNFontSet, fs,
		1454	NULL);
		1455	status_attr = XVaCreateNestedList (0,
		1456	XNForeground, fg,
		1457	XNBackground, bg,
		1458	XNArea, &status_rect,
1301	//XNFontSet, TermWin.fontset,	1459	XNFontSet, fs,
1302	NULL);	1460	NULL);
1303	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,	1461	}
1304	XNForeground, fg, XNBackground, bg,	1462	#if ENABLE_XIM_ONTHESPOT
1305	//XNFontSet, TermWin.fontset,	1463	else if (input_style & XIMPreeditCallbacks)
		1464	{
		1465	XIMCallback xcb[4];
		1466
		1467	im_set_position (spot);
		1468
		1469	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1470	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1471	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1472	# if 0
		1473	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1474	# endif
		1475
		1476	preedit_attr = XVaCreateNestedList (0,
		1477	XNSpotLocation, &spot,
		1478	XNPreeditStartCallback, &xcb[0],
		1479	XNPreeditDoneCallback , &xcb[1],
		1480	XNPreeditDrawCallback , &xcb[2],
		1481	# if 0
		1482	XNPreeditCaretCallback, &xcb[3],
		1483	# endif
1306	NULL);	1484	NULL);
1307	}	1485	}
		1486	#endif
1308		1487
1309	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1488	Input_Context = XCreateIC (xim,
		1489	XNInputStyle, input_style,
1310	XNClientWindow, TermWin.parent[0],	1490	XNClientWindow, vt,
1311	XNFocusWindow, TermWin.parent[0],	1491	XNFocusWindow, parent,
1312	preedit_attr ? XNPreeditAttributes : NULL,	1492	preedit_attr ? XNPreeditAttributes : NULL,
1313	preedit_attr,	1493	preedit_attr,
1314	status_attr ? XNStatusAttributes : NULL,	1494	status_attr ? XNStatusAttributes : NULL,
1315	status_attr, NULL);	1495	status_attr, NULL);
		1496
1316	if (preedit_attr) XFree (preedit_attr);	1497	if (preedit_attr) XFree (preedit_attr);
1317	if (status_attr) XFree (status_attr);	1498	if (status_attr) XFree (status_attr);
		1499	if (fs) XFreeFontSet (dpy, fs);
1318		1500
1319	if (Input_Context == NULL)	1501	if (Input_Context == NULL)
1320	{	1502	{
1321	rxvt_print_error ("failed to create input context");	1503	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1322	display->put_xim (input_method);	1504	im_destroy ();
1323	return false;	1505	return false;
1324	}	1506	}
1325		1507
1326	if (input_style & XIMPreeditArea)	1508	#if 0
1327	IMSetStatusPosition ();	1509	// unfortunately, only the focus window is used by XIM, hard to fix
		1510	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1511	vt_select_input ();
		1512	#endif
1328		1513
1329	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));	1514	im_set_position ();
		1515
1330	return true;	1516	return true;
1331	}	1517	}
1332		1518
1333	void	1519	void
1334	rxvt_term::im_cb ()	1520	rxvt_term::im_cb ()
1335	{	1521	{
1336	int i, found, had_im;	1522	int i;
1337	const char *p;	1523	const char *p;
1338	char **s;	1524	char **s;
1339	char buf[IMBUFSIZ];	1525	char buf[IMBUFSIZ];
1340		1526
		1527	make_current ();
		1528
1341	im_destroy ();	1529	im_destroy ();
1342		1530
1343	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1344	if (Input_Context)	1531	if (Input_Context)
1345	return;	1532	return;
1346		1533
1347	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1348	if (rs[Rs_imLocale])	1534	if (rs[Rs_imLocale])
1349	SET_LOCALE (rs[Rs_imLocale]);	1535	SET_LOCALE (rs[Rs_imLocale]);
1350	#endif
1351		1536
1352	p = rs[Rs_inputMethod];	1537	p = rs[Rs_inputMethod];
1353	if (p && *p)	1538	if (p && *p)
1354	{	1539	{
1355	bool found = false;	1540	bool found = false;
1356		1541
1357	s = rxvt_splitcommastring (p);	1542	s = rxvt_strsplit (',', p);
		1543
1358	for (i = 0; s[i]; i++)	1544	for (i = 0; s[i]; i++)
1359	{	1545	{
1360	if (*s[i])	1546	if (*s[i])
1361	{	1547	{
1362	STRCPY (buf, "@im=");	1548	strcpy (buf, "@im=");
1363	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1549	strncat (buf, s[i], IMBUFSIZ - 5);
1364	if (IM_get_IC (buf))	1550	if (im_get_ic (buf))
1365	{	1551	{
1366	found = true;	1552	found = true;
1367	break;	1553	break;
1368	}	1554	}
1369	}	1555	}
1370	}	1556	}
1371	for (i = 0; s[i]; i++)	1557
1372	free (s[i]);	1558	rxvt_free_strsplit (s);
1373	free (s);
1374		1559
1375	if (found)	1560	if (found)
1376	goto done;	1561	goto done;
1377	}	1562	}
1378		1563
1379	/* try with XMODIFIERS env. var. */	1564	/* try with XMODIFIERS env. var. */
1380	if (IM_get_IC (""))	1565	if (im_get_ic (""))
1381	goto done;	1566	goto done;
1382		1567
1383	/* try with no modifiers base IF the user didn't specify an IM */	1568	/* try with no modifiers base IF the user didn't specify an IM */
1384	if (IM_get_IC ("@im=none"))	1569	if (im_get_ic ("@im=none"))
1385	goto done;	1570	goto done;
1386		1571
1387	done:	1572	done:
1388	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1389	if (rs[Rs_imLocale])	1573	if (rs[Rs_imLocale])
1390	SET_LOCALE (locale);	1574	SET_LOCALE (locale);
1391	#endif
1392	}	1575	}
1393		1576
1394	void	1577	void
1395	rxvt_term::IMSetStatusPosition ()	1578	rxvt_term::im_set_position ()
1396	{	1579	{
1397	XRectangle preedit_rect, status_rect, *needed_rect;	1580	XRectangle preedit_rect, status_rect, *needed_rect;
1398	XVaNestedList preedit_attr, status_attr;	1581	XVaNestedList preedit_attr, status_attr;
1399		1582
1400	if (Input_Context == NULL	1583	if (!Input_Context
1401	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1584	|| !focus
		1585	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1402	|| !IMisRunning ())	1586	|| !im_is_running ())
1403	return;	1587	return;
1404		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	{
1405	/* Getting the necessary width of preedit area */	1599	/* Getting the necessary width of preedit area */
1406	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1600	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1407	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1601	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1408	XFree (status_attr);	1602	XFree (status_attr);
1409		1603
1410	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1604	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1605	XFree (needed_rect);
1411		1606
1412	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1607	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1413	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1608	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1414		1609
1415	XSetICValues (Input_Context,	1610	XSetICValues (Input_Context,
1416	XNPreeditAttributes, preedit_attr,	1611	XNPreeditAttributes, preedit_attr,
1417	XNStatusAttributes, status_attr, NULL);	1612	XNStatusAttributes, status_attr,
		1613	NULL);
1418		1614
		1615	XFree (status_attr);
		1616	}
		1617
1419	XFree (preedit_attr);	1618	XFree (preedit_attr);
1420	XFree (status_attr);
1421	}	1619	}
1422	#endif /* USE_XIM */	1620	#endif /* USE_XIM */
1423		1621
1424	/*----------------------------------------------------------------------*/	1622	void
1425	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	#ifdef HAVE_BG_PIXMAP
		1630
		1631	void
		1632	rxvt_term::update_background ()
		1633	{
		1634	if (update_background_ev.is_active ())
		1635	return;
		1636
		1637	bg_invalidate ();
		1638
		1639	if (!mapped)
		1640	return;
		1641
		1642	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1643
		1644	if (to_wait <= 0.)
		1645	bg_render ();
		1646	else
		1647	update_background_ev.start (to_wait);
		1648	}
		1649
		1650	void
		1651	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1652	{
		1653	make_current ();
		1654
		1655	update_background_ev.stop ();
		1656	bg_render ();
		1657	refresh_check ();
		1658	}
		1659
		1660	#endif /* HAVE_BG_PIXMAP */
1426		1661
1427	/*----------------------- end-of-file (C source) -----------------------*/	1662	/*----------------------- end-of-file (C source) -----------------------*/

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