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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.45 by pcg, Tue Feb 24 21:46:15 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) 2003-2004 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 <cassert>
37	#include <signal.h>	42	#include <csignal>
38
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>
41	#endif
42
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>
45	#endif
46
47	#include <cstring>	43	#include <cstring>
48		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
49	static char curlocale[128];	62	static char curlocale[128], savelocale[128];
50		63
51	void	64	bool
52	rxvt_set_locale (const char *locale)	65	rxvt_set_locale (const char *locale) NOTHROW
53	{	66	{
54	if (locale && STRNCMP (locale, curlocale, 128))	67	int size = strlen (locale) + 1;
55	{	68
56	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);
57	setlocale (LC_CTYPE, curlocale);	76	setlocale (LC_CTYPE, curlocale);
58	}	77	return true;
59	}	78	}
60		79
61	void *	80	void
62	rxvt_term::operator new (size_t s)	81	rxvt_push_locale (const char *locale) NOTHROW
63	{	82	{
64	void *p = malloc (s);	83	strcpy (savelocale, curlocale);
		84	rxvt_set_locale (locale);
		85	}
65		86
66	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
67	return p;	150	return len;
68	}
69		151
70	void
71	rxvt_term::operator delete (void *p, size_t s)
72	{
73	free (p);
74	}	152	}
		153	#endif
75		154
76	rxvt_term::rxvt_term ()	155	rxvt_term::rxvt_term ()
77	:	156	{
78	rootwin_ev (this, &rxvt_term::rootwin_cb),	157	#if HAVE_BG_PIXMAP
79	termwin_ev (this, &rxvt_term::x_cb),	158	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),
86	#endif	159	#endif
87	#ifdef CURSOR_BLINK	160	#ifdef CURSOR_BLINK
88	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);
89	#endif	162	#endif
90	#ifdef TEXT_BLINK	163	#ifdef TEXT_BLINK
91	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),
92	#endif	181	#endif
93	#ifdef POINTER_BLANK	182	#ifdef POINTER_BLANK
94	pointer_ev (this, &rxvt_term::pointer_cb),	183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
95	#endif	184	#endif
		185	#ifndef NO_BELL
		186	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		187	#endif
		188	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		189	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		190	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		191	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		192	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194
		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;
		214	}
		215
		216	rxvt_term::~rxvt_term ()
		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
96	#ifdef USE_XIM	238	#ifdef USE_XIM
97	im_ev (this, &rxvt_term::im_cb),	239	im_destroy ();
98	#endif	240	#endif
99	check_ev (this, &rxvt_term::check_cb),	241	scrollBar.destroy ();
100	destroy_ev (this, &rxvt_term::destroy_cb),	242	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		243
107	rxvt_term::~rxvt_term ()
108	{
109	if (cmd_fd >= 0)
110	close (cmd_fd);
111
112	#ifndef NO_SETOWNER_TTYDEV
113	privileged_ttydev (RESTORE);
114	#endif
115	#ifdef UTMP_SUPPORT
116	privileged_utmp (RESTORE);
117	#endif
118
119	delete TermWin.fontset;
120
121	if (display)
122	{
123	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
124	delete menuBar.drawable;	244	delete drawable;
125	//if (menuBar.win)
126	// XDestroyWindow (display->display, menuBar.win);
127	#endif
128	delete TermWin.drawable;
129	// destroy all windows	245	// destroy all windows
130	if (TermWin.parent[0])	246	if (parent)
131	XDestroyWindow (display->display, TermWin.parent[0]);	247	XDestroyWindow (dpy, parent);
132	}
133		248
134	// TODO: free pixcolours, colours should become part of rxvt_display	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	}
135		257
136	delete PixColors;	258	clear ();
137		259
		260	display->flush (); /* ideally .put should do this */
138	displays.put (display);	261	displays.put (display);
		262	}
139		263
140	scr_release ();	264	scr_release ();
141		265
142	free (env_windowid);	266	/* clear all resources */
143	free (env_display);	267	for (int i = 0; i < allocated.size (); i++)
144	free (env_term);	268	free (allocated [i]);
145	free (env_colorfgbg);	269
		270	free (selection.text);
		271	free (selection.clip_text);
146	free (locale);	272	free (locale);
147	free (codeset);	273	free (v_buffer);
		274
		275	delete selection_req;
148		276
149	delete envv;	277	delete envv;
150	delete argv;	278	delete argv;
		279
		280	#ifdef KEYSYM_RESOURCE
		281	delete keyboard;
		282	#endif
		283	#ifndef NO_RESOURCES
		284	XrmDestroyDatabase (option_db);
		285	#endif
		286	}
		287
		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));
		293
		294	cmd_pid = 0;
		295
		296	if (!option (Opt_hold))
		297	destroy ();
151	}	298	}
152		299
153	void	300	void
154	rxvt_term::destroy ()	301	rxvt_term::destroy ()
155	{	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
		311
156	if (display)	312	if (display)
157	{	313	{
		314	#if USE_XIM
		315	im_ev.stop (display);
		316	#endif
		317	scrollbar_ev.stop (display);
		318	#if ENABLE_TRANSPARENCY || ENABLE_PERL
158	rootwin_ev.stop (display);	319	rootwin_ev.stop (display);
		320	#endif
159	termwin_ev.stop (display);	321	termwin_ev.stop (display);
160	vt_ev.stop (display);	322	vt_ev.stop (display);
161	#ifdef USE_XIM
162	im_destroy ();
163	im_ev.stop (display);
164	#endif
165	#ifdef HAVE_SCROLLBARS
166	scrollbar_ev.stop (display);
167	#endif
168	#ifdef MENUBAR
169	menubar_ev.stop (display);
170	#endif
171	}	323	}
172		324
173	check_ev.stop ();	325	flush_ev.stop ();
174	pty_ev.stop ();	326	pty_ev.stop ();
175	#ifdef CURSOR_BLINK	327	#ifdef CURSOR_BLINK
176	cursor_blink_ev.stop ();	328	cursor_blink_ev.stop ();
177	#endif	329	#endif
178	#ifdef TEXT_BLINK	330	#ifdef TEXT_BLINK
179	text_blink_ev.stop ();	331	text_blink_ev.stop ();
180	#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
181	#ifdef POINTER_BLANK	339	#ifdef POINTER_BLANK
182	pointer_ev.stop ();	340	pointer_ev.stop ();
183	#endif	341	#endif
184		342
185	destroy_ev.start (0);	343	destroy_ev.start ();
186	}	344	}
187		345
188	void	346	void
189	rxvt_term::destroy_cb (time_watcher &w)	347	rxvt_term::destroy_cb (ev::idle &w, int revents)
190	{	348	{
191	SET_R (this);	349	make_current ();
192		350
193	delete this;	351	delete this;
194	}	352	}
195		353
196	/*----------------------------------------------------------------------*/
197	/* rxvt_init () */
198	/* LIBPROTO */
199	rxvt_t
200	rxvt_init (int argc, const char *const *argv)
201	{
202	SET_R (new rxvt_term);
203
204	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
205	{
206	delete GET_R;
207	SET_R (0);
208	}
209
210	return GET_R;
211	}
212
213	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
214
215	void	354	void
216	rxvt_init_signals ()	355	rxvt_term::set_option (uint8_t opt, bool set)
217	{	356	{
218	/* install exit handler for cleanup */	357	if (!opt)
219	#if 0
220	#ifdef HAVE_ATEXIT
221	atexit (rxvt_clean_exit);
222	#else
223	#endif
224	#endif
225
226	struct sigaction sa;
227
228	sigfillset (&sa.sa_mask);
229	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
230	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
231	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
232	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
233	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
234	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
235	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
236
237	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
238	/* signal (SIGURG, SIG_DFL); */
239
240	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
241	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
242	}
243
244	bool
245	rxvt_term::init (int argc, const char *const *argv)
246	{
247	/*
248	* Save and then give up any super-user privileges
249	* If we need privileges in any area then we must specifically request it.
250	* We should only need to be root in these cases:
251	* 1. write utmp entries on some systems
252	* 2. chown tty on some systems
253	*/
254	privileges (SAVE);
255	privileges (IGNORE);
256
257	init_secondary ();
258
259	const char **cmd_argv = init_resources (argc, argv);
260
261	set_locale ("");
262
263	#if MENUBAR_MAX
264	menubar_read (rs[Rs_menu]);
265	#endif
266	#ifdef HAVE_SCROLLBARS
267	if (Options & Opt_scrollBar)
268	scrollBar.setIdle (); /* set existence for size calculations */
269	#endif
270
271	create_windows (argc, argv);
272
273	init_xlocale ();
274
275	scr_reset (); /* initialize screen */
276
277	#if 0
278	XSynchronize (display->display, True);
279	#endif
280
281	#ifdef HAVE_SCROLLBARS
282	if (Options & Opt_scrollBar)
283	resize_scrollbar (); /* create and map scrollbar */
284	#endif
285	#if (MENUBAR_MAX)
286	if (menubar_visible ())
287	XMapWindow (display->display, menuBar.win);
288	#endif
289	#ifdef TRANSPARENT
290	if (Options & Opt_transparent)
291	{
292	XSelectInput (display->display, display->root, PropertyChangeMask);
293	check_our_parents ();
294	}
295	#endif
296
297	rootwin_ev.start (display, display->root);
298
299	XMapWindow (display->display, TermWin.vt);
300	XMapWindow (display->display, TermWin.parent[0]);
301
302	init_command (cmd_argv);
303
304	pty_ev.start (cmd_fd, EVENT_READ);
305
306	check_ev.start ();
307
308	return true;
309	}
310
311	/* ------------------------------------------------------------------------- *
312	* SIGNAL HANDLING & EXIT HANDLER *
313	* ------------------------------------------------------------------------- */
314	/*
315	* Catch a SIGCHLD signal and exit if the direct child has died
316	*/
317	/* ARGSUSED */
318	/* EXTPROTO */
319	RETSIGTYPE
320	rxvt_Child_signal (int sig __attribute__ ((unused)))
321	{
322	int pid, save_errno = errno;
323	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
324	;
325	errno = save_errno;
326
327	#if 0
328	if (pid == cmd_pid)
329	exit (EXIT_SUCCESS);
330	#endif
331	}
332
333	/*
334	* Catch a fatal signal and tidy up before quitting
335	*/
336	/* EXTPROTO */
337	RETSIGTYPE
338	rxvt_Exit_signal (int sig)
339	{
340	signal (sig, SIG_DFL);
341	#ifdef DEBUG_CMD
342	rxvt_print_error ("signal %d", sig);
343	#endif
344	rxvt_clean_exit ();
345	kill (getpid (), sig);
346	}
347
348	/* INTPROTO */
349	int
350	rxvt_xerror_handler (Display *display, XErrorEvent *event)
351	{
352	if (GET_R->allowedxerror == -1)
353	GET_R->allowedxerror = event->error_code;
354	else
355	{
356	old_xerror_handler (display, event);
357	GET_R->destroy ();
358	}
359
360	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);
361	}	364	}
362		365
363	/*----------------------------------------------------------------------*/	366	/*----------------------------------------------------------------------*/
364	/*	367	/*
365	* Exit gracefully, clearing the utmp entry and restoring tty attributes	368	* Exit gracefully, clearing the utmp entry and restoring tty attributes
366	* 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
367	*/	370	*/
368	/* EXTPROTO */	371	static XErrorHandler old_xerror_handler;
369	void
370	rxvt_clean_exit ()
371	{
372	// TODO: rxvtd should clean up all ressources
373	if (GET_R)
374	GET_R->destroy ();
375	}
376		372
377	/* ------------------------------------------------------------------------- *	373	static void
378	* MEMORY ALLOCATION WRAPPERS *	374	rxvt_emergency_cleanup ()
379	* ------------------------------------------------------------------------- */
380	/* EXTPROTO */
381	void *
382	rxvt_malloc (size_t size)
383	{	375	{
384	void *p;	376	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
385		377	(*t)->emergency_cleanup ();
386	p = malloc (size);
387	if (p)
388	return p;
389
390	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
391	rxvt_clean_exit ();
392	exit (EXIT_FAILURE);
393	/* NOTREACHED */
394	}	378	}
395		379
396	/* EXTPROTO */	380	#if !ENABLE_MINIMAL
397	void *	381	static void
398	rxvt_calloc (size_t number, size_t size)	382	print_x_error (Display *dpy, XErrorEvent *event)
399	{	383	{
400	void *p;	384	char buffer[BUFSIZ];
401		385	char mesg[BUFSIZ];
402	p = calloc (number, size);	386	char number[32];
403	if (p)	387	const char mtype[] = "XlibMessage";
404	return p;	388	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
405		389	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
406	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	390	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
407	rxvt_clean_exit ();	391	rxvt_warn ("%s: %s\n", mesg, buffer);
408	exit (EXIT_FAILURE);	392	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
409	/* 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);
410	}	426	}
		427	#endif
411		428
412	/* EXTPROTO */	429	int
413	void *	430	rxvt_xerror_handler (Display *display, XErrorEvent *event)
414	rxvt_realloc (void *ptr, size_t size)
415	{	431	{
416	void *p;	432	if (GET_R->allowedxerror == -1)
417		433	GET_R->allowedxerror = event->error_code;
418	if (ptr)
419	p = realloc (ptr, size);
420	else	434	else
421	p = malloc (size);	435	{
422	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
423	return p;	445	return 0;
		446	}
424		447
425	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	448	int
426	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 ();
427	exit (EXIT_FAILURE);	454	_exit (EXIT_FAILURE);
428	/* NOTREACHED */
429	}	455	}
430		456
431	/* ------------------------------------------------------------------------- *	457	static struct sig_handlers
432	* PRIVILEGED OPERATIONS *
433	* ------------------------------------------------------------------------- */
434	/* take care of suid/sgid super-user (root) privileges */
435	void
436	rxvt_term::privileges (int mode)
437	{	458	{
438	#if ! defined(__CYGWIN32__)	459	ev::sig sw_term, sw_int;
439	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	460
440	/* setreuid () is the poor man's setuid (), seteuid () */	461	/*
441	# define seteuid(a) setreuid(-1, (a))	462	* Catch a fatal signal and tidy up before quitting
442	# define setegid(a) setregid(-1, (a))	463	*/
443	# 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;
444	# endif	503	# endif
445	# ifdef HAVE_SETEUID	504	# ifdef VREPRINT
446	switch (mode)	505	tio->c_cc[VREPRINT] = CRPRNT;
447	{
448	case IGNORE:
449	/*
450	* change effective uid/gid - not real uid/gid - so we can switch
451	* back to root later, as required
452	*/
453	seteuid (getuid ());
454	setegid (getgid ());
455	break;
456	case SAVE:
457	euid = geteuid ();
458	egid = getegid ();
459	break;
460	case RESTORE:
461	seteuid (euid);
462	setegid (egid);
463	break;
464	}
465	# else
466	switch (mode)
467	{
468	case IGNORE:
469	setuid (getuid ());
470	setgid (getgid ());
471	/* FALLTHROUGH */
472	case SAVE:
473	/* FALLTHROUGH */
474	case RESTORE:
475	break;
476	}
477	# endif	506	# endif
478	#endif	507	# ifdef VDISCRD
479	}	508	tio->c_cc[VDISCRD] = CFLUSH;
480
481	#ifdef UTMP_SUPPORT
482	void
483	rxvt_term::privileged_utmp (char action)
484	{
485	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",
486	action, next_utmp_action, getpid ()));
487	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
488	|| (Options & Opt_utmpInhibit)
489	|| ttydev == NULL || *ttydev == '\0')
490	return;
491
492	privileges (RESTORE);
493	if (action == SAVE)
494	{
495	next_utmp_action = RESTORE;
496	makeutent (ttydev, rs[Rs_display_name]);
497	}
498	else
499	{ /* action == RESTORE */
500	next_utmp_action = IGNORE;
501	cleanutent ();
502	}
503	privileges (IGNORE);
504	}
505	#endif
506
507	#ifndef NO_SETOWNER_TTYDEV
508	void
509	rxvt_term::privileged_ttydev (char action)
510	{
511	D_MAIN ((stderr,
512	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
513	action, next_tty_action, getpid ()));
514	if (next_tty_action != action || (action != SAVE && action != RESTORE)
515	|| ttydev == NULL || *ttydev == '\0')
516	return;
517
518	privileges (RESTORE);
519
520	if (action == SAVE)
521	{
522	next_tty_action = RESTORE;
523	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
524	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
525	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
526	next_tty_action = IGNORE;
527	else
528	# endif	509	# endif
529		510	# ifdef VWERSE
530	{	511	tio->c_cc[VWERSE] = CWERASE;
531	chown (ttydev, getuid (), ttygid); /* fail silently */
532	chmod (ttydev, ttymode);
533	# ifdef HAVE_REVOKE
534	revoke (ttydev);
535	# endif	512	# endif
536		513	# ifdef VLNEXT
537	}	514	tio->c_cc[VLNEXT] = CLNEXT;
538	}
539	else
540	{ /* action == RESTORE */
541	next_tty_action = IGNORE;
542	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
543	chmod (ttydev, ttyfd_stat.st_mode);
544	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
545	# else
546	chmod (ttydev,
547	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
548	chown (ttydev, 0, 0);
549	# endif	515	# endif
550		516	# ifdef VSTATUS
551	}	517	tio->c_cc[VSTATUS] = CSTATUS;
552
553	privileges (IGNORE);
554
555	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
556	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
557	action == RESTORE ? "Restoring" : (action ==
558	SAVE ? "Saving" :
559	"UNKNOWN ERROR for"), ttydev,
560	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
561	ttyfd_stat.st_gid));
562	# endif	518	# endif
563	}	519
		520	# if VMIN != VEOF
		521	tio->c_cc[VMIN] = 1;
564	#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	}
565		579
566	/*----------------------------------------------------------------------*/	580	/*----------------------------------------------------------------------*/
567	/*	581	/*
568	* window size/position calculcations for XSizeHint and other storage.	582	* window size/position calculations for XSizeHint and other storage.
569	* if width/height are non-zero then override calculated width/height	583	* if width/height are non-zero then override calculated width/height
570	*/	584	*/
571	void	585	void
572	rxvt_term::window_calc (unsigned int width, unsigned int height)	586	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
573	{	587	{
574	short recalc_x, recalc_y;	588	short recalc_x, recalc_y;
575	int x, y, sb_w, mb_h, flags;	589	int x, y, flags;
576	unsigned int w, h;	590	unsigned int w, h;
577	unsigned int max_width, max_height;	591	unsigned int max_width, max_height;
578		592
579	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
580	TermWin.ncol, TermWin.nrow, szHint.width,
581	szHint.height));
582	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	593	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
583	szHint.win_gravity = NorthWestGravity;	594	szHint.win_gravity = NorthWestGravity;
584	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	595	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
585		596
586	recalc_x = recalc_y = 0;	597	recalc_x = recalc_y = 0;
587	flags = 0;	598	flags = 0;
		599
588	if (!parsed_geometry)	600	if (!parsed_geometry)
589	{	601	{
590	parsed_geometry = 1;	602	parsed_geometry = 1;
		603
591	if (rs[Rs_geometry])	604	if (rs[Rs_geometry])
592	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	605	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		606
593	if (flags & WidthValue)	607	if (flags & WidthValue)
594	{	608	{
595	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 ());
596	szHint.flags |= USSize;	613	szHint.flags |= USSize;
597	}	614	}
		615
598	if (flags & HeightValue)	616	if (flags & HeightValue)
599	{	617	{
600	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 ());
601	szHint.flags |= USSize;	622	szHint.flags |= USSize;
602	}	623	}
		624
603	if (flags & XValue)	625	if (flags & XValue)
604	{	626	{
605	szHint.x = x;	627	szHint.x = x;
606	szHint.flags |= USPosition;	628	szHint.flags |= USPosition;
		629
607	if (flags & XNegative)	630	if (flags & XNegative)
608	{	631	{
609	recalc_x = 1;	632	recalc_x = 1;
610	szHint.win_gravity = NorthEastGravity;	633	szHint.win_gravity = NorthEastGravity;
611	}	634	}
612	}	635	}
		636
613	if (flags & YValue)	637	if (flags & YValue)
614	{	638	{
615	szHint.y = y;	639	szHint.y = y;
616	szHint.flags |= USPosition;	640	szHint.flags |= USPosition;
		641
617	if (flags & YNegative)	642	if (flags & YNegative)
618	{	643	{
619	recalc_y = 1;	644	recalc_y = 1;
		645
620	if (szHint.win_gravity == NorthEastGravity)	646	if (szHint.win_gravity == NorthEastGravity)
621	szHint.win_gravity = SouthEastGravity;	647	szHint.win_gravity = SouthEastGravity;
622	else	648	else
623	szHint.win_gravity = SouthWestGravity;	649	szHint.win_gravity = SouthWestGravity;
624	}	650	}
625	}	651	}
626	}	652	}
		653
627	/* TODO: BOUNDS */	654	/* TODO: BOUNDS */
628	TermWin.width = TermWin.ncol * TermWin.fwidth;	655	width = ncol * fwidth;
629	TermWin.height = TermWin.nrow * TermWin.fheight;	656	height = nrow * fheight;
630	max_width = MAX_COLS * TermWin.fwidth;	657	max_width = MAX_COLS * fwidth;
631	max_height = MAX_ROWS * TermWin.fheight;	658	max_height = MAX_ROWS * fheight;
632		659
633	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	660	szHint.base_width = szHint.base_height = 2 * int_bwidth;
634		661
635	sb_w = mb_h = 0;
636	window_vt_x = window_vt_y = 0;	662	window_vt_x = window_vt_y = int_bwidth;
637	if (scrollbar_visible ())	663
		664	if (scrollBar.state)
638	{	665	{
639	sb_w = scrollbar_TotalWidth ();	666	int sb_w = scrollBar.total_width ();
640	szHint.base_width += sb_w;	667	szHint.base_width += sb_w;
		668
641	if (! (Options & Opt_scrollBar_right))	669	if (!option (Opt_scrollBar_right))
642	window_vt_x = sb_w;	670	window_vt_x += sb_w;
643	}
644	if (menubar_visible ())
645	{	671	}
646	mb_h = menuBar_TotalHeight ();	672
647	szHint.base_height += mb_h;
648	window_vt_y = mb_h;
649	}
650	szHint.width_inc = TermWin.fwidth;	673	szHint.width_inc = fwidth;
651	szHint.height_inc = TermWin.fheight;	674	szHint.height_inc = fheight;
652	szHint.min_width = szHint.base_width + szHint.width_inc;	675	szHint.min_width = szHint.base_width + szHint.width_inc;
653	szHint.min_height = szHint.base_height + szHint.height_inc;	676	szHint.min_height = szHint.base_height + szHint.height_inc;
654		677
655	if (width && width - szHint.base_width < max_width)	678	if (newwidth && newwidth - szHint.base_width < max_width)
656	{	679	{
657	szHint.width = width;	680	szHint.width = newwidth;
658	TermWin.width = width - szHint.base_width;	681	width = newwidth - szHint.base_width;
659	}	682	}
660	else	683	else
661	{	684	{
662	MIN_IT (TermWin.width, max_width);	685	min_it (width, max_width);
663	szHint.width = szHint.base_width + TermWin.width;	686	szHint.width = szHint.base_width + width;
664	}	687	}
		688
665	if (height && height - szHint.base_height < max_height)	689	if (newheight && newheight - szHint.base_height < max_height)
666	{	690	{
667	szHint.height = height;	691	szHint.height = newheight;
668	TermWin.height = height - szHint.base_height;	692	height = newheight - szHint.base_height;
669	}	693	}
670	else	694	else
671	{	695	{
672	MIN_IT (TermWin.height, max_height);	696	min_it (height, max_height);
673	szHint.height = szHint.base_height + TermWin.height;	697	szHint.height = szHint.base_height + height;
674	}	698	}
675	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
676	window_sb_x = szHint.width - sb_w;
677		699
678	if (recalc_x)	700	if (recalc_x)
679	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	701	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
680	- szHint.width - 2 * TermWin.ext_bwidth);	702
681	if (recalc_y)	703	if (recalc_y)
682	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	704	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
683	- szHint.height - 2 * TermWin.ext_bwidth);
684		705
685	TermWin.ncol = TermWin.width / TermWin.fwidth;	706	ncol = width / fwidth;
686	TermWin.nrow = TermWin.height / TermWin.fheight;	707	nrow = height / fheight;
687	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	708
688	TermWin.ncol, TermWin.nrow, szHint.width,	709	// When the size of the vt window is not a multiple of the cell
689	szHint.height));	710	// size, i.e., when the wm does not honour our size hints, there are
690	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;
691	}	717	}
692		718
693	/*----------------------------------------------------------------------*/	719	/*----------------------------------------------------------------------*/
694	/*	720	/*
695	* Tell the teletype handler what size the window is.	721	* Tell the teletype handler what size the window is.
696	* Called after a window size change.	722	* Called after a window size change.
697	*/	723	*/
698	void	724	void
699	rxvt_term::tt_winch ()	725	rxvt_term::tt_winch ()
700	{	726	{
		727	if (pty->pty < 0)
		728	return;
		729
701	struct winsize ws;	730	struct winsize ws;
702		731
703	if (cmd_fd < 0)
704	return;
705
706	ws.ws_col = TermWin.ncol;	732	ws.ws_col = ncol;
707	ws.ws_row = TermWin.nrow;	733	ws.ws_row = nrow;
708	ws.ws_xpixel = ws.ws_ypixel = 0;	734	ws.ws_xpixel = width;
709	#ifndef DEBUG_SIZE	735	ws.ws_ypixel = height;
710	(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	}
711	#else	808	#else
712	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	809	fontset[style] = fontset[0];
713	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
714	# ifdef SIGWINCH
715	else if (cmd_pid) /* force through to the command */
716	kill (cmd_pid, SIGWINCH);
717	# endif	810	#endif
718	#endif
719	}
720
721	/*----------------------------------------------------------------------*/
722	/* rxvt_change_font () - Switch to a new font */
723	/*
724	* init = 1 - initialize
725	*
726	* fontname == FONT_UP - switch to bigger font
727	* fontname == FONT_DN - switch to smaller font
728	*/
729	bool
730	rxvt_term::change_font (const char *fontname)
731	{
732	if (fontname == FONT_UP)
733	{	811	}
734	// TODO	812
		813	if (parent)
735	}	814	{
736	else if (fontname == FONT_DN)
737	{
738	// TODO
739	}
740	else
741	{
742	rxvt_fontset *fs = new rxvt_fontset (this);
743
744	if (fs && fs->populate (fontname))
745	{
746	delete TermWin.fontset;
747	TermWin.fontset = fs;
748	TermWin.fwidth = fs->base_font ()->width;
749	TermWin.fheight = fs->base_font ()->height;
750	TermWin.fbase = fs->base_font ()->ascent;
751
752	// TODO: screen needs to be told about new fonts
753
754	if (TermWin.parent[0])
755	{
756	resize_all_windows (0, 0, 0);	815	resize_all_windows (0, 0, 0);
757	scr_remap_chars ();	816	scr_remap_chars ();
758	scr_touch (true);	817	scr_touch (true);
759	}	818	}
760		819
761	return true;	820	return true;
762	}	821	}
		822
		823	void
		824	rxvt_term::set_string_property (Atom prop, const char *str, int len)
		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)
763	}	837	{
764		838	XSetTextProperty (dpy, parent, &ct, prop);
765	return false;	839	XFree (ct.value);
		840	}
766	}	841	}
767		842
768	bool	843	void
769	rxvt_term::font_up_down (int n, int direction)	844	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
770	{	845	{
771	return false;	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);
772	}	855	}
773		856
774	/*----------------------------------------------------------------------*/	857	/*----------------------------------------------------------------------*/
775	/*----------------------------------------------------------------------*/	858	/*----------------------------------------------------------------------*/
776	/* xterm sequences - title, iconName, color (exptl) */	859	/* xterm sequences - title, iconName, color (exptl) */
777	void	860	void
778	rxvt_term::set_title (const char *str)	861	rxvt_term::set_title (const char *str)
779	{	862	{
780	#ifndef SMART_WINDOW_TITLE	863	set_mbstring_property (XA_WM_NAME, str);
781	XStoreName (display->display, TermWin.parent[0], str);	864	#if ENABLE_EWMH
782	#else	865	set_utf8_property (xa[XA_NET_WM_NAME], str);
783	char *name;
784
785	if (XFetchName (display->display, TermWin.parent[0], &name) == 0)
786	name = NULL;
787	if (name == NULL || STRCMP (name, str))
788	XStoreName (display->display, TermWin.parent[0], str);
789	if (name)
790	XFree (name);
791	#endif	866	#endif
792	}	867	}
793		868
794	void	869	void
795	rxvt_term::set_iconName (const char *str)	870	rxvt_term::set_icon_name (const char *str)
796	{	871	{
797	#ifndef SMART_WINDOW_TITLE	872	set_mbstring_property (XA_WM_ICON_NAME, str);
798	XSetIconName (display->display, TermWin.parent[0], str);	873	#if ENABLE_EWMH
799	#else	874	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
800	char *name;
801
802	if (XGetIconName (display->display, TermWin.parent[0], &name))
803	name = NULL;
804	if (name == NULL || STRCMP (name, str))
805	XSetIconName (display->display, TermWin.parent[0], str);
806	if (name)
807	XFree (name);
808	#endif	875	#endif
809	}	876	}
810		877
		878	void
		879	rxvt_term::set_window_color (int idx, const char *color)
		880	{
811	#ifdef XTERM_COLOR_CHANGE	881	#ifdef XTERM_COLOR_CHANGE
812	void
813	rxvt_term::set_window_color (int idx, const char *color)
814	{
815	rxvt_color xcol;	882	rxvt_color xcol;
816	int i;
817		883
818	if (color == NULL || *color == '\0')	884	if (color == NULL || *color == '\0')
819	return;	885	return;
820		886
		887	color = strdup (color);
		888	allocated.push_back ((void *)color);
		889	rs[Rs_color + idx] = color;
		890
821	/* handle color aliases */	891	/* handle color aliases */
822	if (isdigit (*color))	892	if (isdigit (*color))
823	{	893	{
824	i = atoi (color);	894	int i = atoi (color);
		895
825	if (i >= 8 && i <= 15)	896	if (i >= 8 && i <= 15)
		897	{
826	{ /* bright colors */	898	/* bright colors */
827	i -= 8;
828	# ifndef NO_BRIGHTCOLOR
829	PixColors[idx] = PixColors[minBrightCOLOR + i];	899	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
830	SET_PIXCOLOR (idx);
831	goto Done;	900	goto done;
832	# endif
833
834	}	901	}
		902
835	if (i >= 0 && i <= 7)	903	if (i >= 0 && i <= 7)
		904	{
836	{ /* normal colors */	905	/* normal colors */
837	PixColors[idx] = PixColors[minCOLOR + i];	906	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
838	SET_PIXCOLOR (idx);
839	goto Done;	907	goto done;
840	}	908	}
841	}	909	}
842	if (!rXParseAllocColor (& xcol, color))	910
843	return;	911	set_color (xcol, color);
844	/* XStoreColor (display->display, XCMAP, XColor*); */
845		912
846	/*	913	/*
847	* 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,
848	* so just keep gobbling up the colormap	915	* so just keep gobbling up the colormap
849	*/	916	*/
850	# if 0
851	for (i = Color_Black; i <= Color_White; i++)
852	if (PixColors[idx] == PixColors[i])
853	break;
854	if (i > Color_White)
855	{
856	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
857	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,
858	DisplayPlanes (display->display, display->screen));
859	}
860	# endif
861		917
862	PixColors[idx] = xcol;	918	pix_colors_focused[idx] = xcol;
863	SET_PIXCOLOR (idx);
864		919
865	/* XSetWindowAttributes attr; */
866	/* Cursor cursor; */
867	Done:	920	done:
868	if (idx == Color_bg && ! (Options & Opt_transparent))
869	XSetWindowBackground (display->display, TermWin.vt,
870	PixColors[Color_bg]);
871
872	/* handle Color_BD, scrollbar background, etc. */	921	/*TODO: handle Color_BD, scrollbar background, etc. */
873		922
874	set_colorfgbg ();	923	update_fade_color (idx);
875	recolour_cursor ();	924	recolour_cursor ();
876	/* the only reasonable way to enforce a clean update */	925	scr_recolour ();
877	scr_poweron ();	926	#endif /* XTERM_COLOR_CHANGE */
878	}	927	}
879
880	#else
881	# define set_window_color (idx,color) ((void)0)
882	#endif /* XTERM_COLOR_CHANGE */
883		928
884	void	929	void
885	rxvt_term::recolour_cursor ()	930	rxvt_term::recolour_cursor ()
886	{	931	{
887	#if TODO	932	XColor fg, bg;
888	rxvt_color xcol[2];
889		933
890	xcol[0] = PixColors[Color_pointer];	934	(ISSET_PIXCOLOR (Color_pointer_fg)
891	xcol[1] = PixColors[Color_bg];	935	? pix_colors_focused[Color_pointer_fg]
892	XQueryColors (display->display, XCMAP, xcol, 2);	936	: pix_colors_focused[Color_fg]).get (fg);
893	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	937
894	#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);
895	}	943	}
896		944
897	/*----------------------------------------------------------------------*/	945	/*----------------------------------------------------------------------*/
898	/*	946	/*
899	* 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
900	*/	948	*/
901	void	949	void
902	rxvt_term::set_colorfgbg ()	950	rxvt_term::set_colorfgbg ()
903	{	951	{
904	unsigned int i;	952	unsigned int i;
905	const char *xpmb = "\0";	953	const char *xpmb = "";
906	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	954	char fstr[] = "default";
		955	char bstr[] = "default";
907		956
908	env_colorfgbg =
909	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
910	STRCPY (fstr, "default");
911	STRCPY (bstr, "default");
912	for (i = Color_Black; i <= Color_White; i++)	957	for (i = Color_Black; i <= Color_White; i++)
913	if (PixColors[Color_fg] == PixColors[i])	958	if (pix_colors[Color_fg] == pix_colors[i])
914	{	959	{
915	sprintf (fstr, "%d", (i - Color_Black));	960	sprintf (fstr, "%d", i - Color_Black);
916	break;	961	break;
917	}	962	}
		963
918	for (i = Color_Black; i <= Color_White; i++)	964	for (i = Color_Black; i <= Color_White; i++)
919	if (PixColors[Color_bg] == PixColors[i])	965	if (pix_colors[Color_bg] == pix_colors[i])
920	{	966	{
921	sprintf (bstr, "%d", (i - Color_Black));	967	sprintf (bstr, "%d", i - Color_Black);
922	#ifdef XPM_BACKGROUND	968	#ifdef BG_IMAGE_FROM_FILE
923	xpmb = "default;";	969	xpmb = "default;";
924	#endif	970	#endif
925	break;	971	break;
926	}	972	}
927		973
928	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	974	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
929
930	#ifndef NO_BRIGHTCOLOR
931	colorfgbg = DEFAULT_RSTYLE;
932	for (i = minCOLOR; i <= maxCOLOR; i++)
933	{
934	if (PixColors[Color_fg] == PixColors[i])
935	colorfgbg = SET_FGCOLOR (colorfgbg, i);
936	if (PixColors[Color_bg] == PixColors[i])
937	colorfgbg = SET_BGCOLOR (colorfgbg, i);
938	}
939	#endif
940	}	975	}
941		976
942	/*----------------------------------------------------------------------*/	977	/*----------------------------------------------------------------------*/
943	/*
944	* Colour determination for low colour displays, routine from
945	* Hans de Goede <hans@highrise.nl>
946	*/
947		978
948	int	979	bool
949	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	980	rxvt_term::set_color (rxvt_color &color, const char *name)
950	{	981	{
951	if (!screen_in_out->set (display, colour))	982	if (color.set (this, name))
952	{
953	rxvt_print_error ("can't allocate colour: %s", colour);
954	return false;
955	}
956
957	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]);
958	}	993	}
959		994
960	/* -------------------------------------------------------------------- *	995	/* -------------------------------------------------------------------- *
961	* - WINDOW RESIZING - *	996	* - WINDOW RESIZING - *
962	* -------------------------------------------------------------------- */	997	* -------------------------------------------------------------------- */
963	void	998	void
964	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)
965	{	1000	{
966	int fix_screen;	1001	int fix_screen;
		1002	int old_width = szHint.width;
		1003	int old_height = szHint.height;
967		1004
968	#ifdef SMART_RESIZE
969	int old_width = szHint.width, old_height = szHint.height;
970	#endif
971
972	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);
973	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1013	XSetWMNormalHints (dpy, parent, &szHint);
		1014	szHint.flags |= PBaseSize | PResizeInc;
		1015	}
		1016
974	if (!ignoreparent)	1017	if (!ignoreparent)
975	{	1018	{
976	#ifdef SMART_RESIZE	1019	#ifdef SMART_RESIZE
977	/*	1020	/*
978	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1021	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
981	int x, y, x1, y1;	1024	int x, y, x1, y1;
982	int dx, dy;	1025	int dx, dy;
983	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1026	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
984	Window unused_cr;	1027	Window unused_cr;
985		1028
986	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1029	XTranslateCoordinates (dpy, parent, display->root,
987	0, 0, &x, &y, &unused_cr);	1030	0, 0, &x, &y, &unused_cr);
988	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1031	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
989	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1032	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
990	/*	1033	/*
991	* 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
992	* our position for handles and decorations. Counter it	1035	* our position for handles and decorations. Counter it
993	*/	1036	*/
…		…
995	{	1038	{
996	x -= x1;	1039	x -= x1;
997	y -= y1;	1040	y -= y1;
998	}	1041	}
999		1042
1000	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1043	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1001	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1044	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1002	dx = old_width - szHint.width;	1045	dx = old_width - szHint.width;
1003	dy = old_height - szHint.height;	1046	dy = old_height - szHint.height;
1004		1047
1005	/* Check position of the center of the window */	1048	/* Check position of the center of the window */
1006	if (x < x1) /* left half */	1049	if (x < x1) /* left half */
1007	dx = 0;	1050	dx = 0;
…		…
1010	if (y < y1) /* top half */	1053	if (y < y1) /* top half */
1011	dy = 0;	1054	dy = 0;
1012	else if (y == y1) /* exact center */	1055	else if (y == y1) /* exact center */
1013	dy /= 2;	1056	dy /= 2;
1014		1057
1015	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1058	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
1016	szHint.width, szHint.height);	1059	szHint.width, szHint.height);
1017	#else	1060	#else
1018	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	1061	XResizeWindow (dpy, parent, szHint.width, szHint.height);
1019	szHint.height);
1020	#endif	1062	#endif
1021
1022	}	1063	}
1023		1064
1024	fix_screen = (TermWin.ncol != prev_ncol	1065	if (set_hint)
1025	|| TermWin.nrow != prev_nrow);	1066	XSetWMNormalHints (dpy, parent, &szHint);
1026		1067
		1068	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1069
1027	if (fix_screen || width != old_width || height != old_height)	1070	if (fix_screen || newwidth != old_width || newheight != old_height)
1028	{	1071	{
1029	if (scrollbar_visible ())	1072	if (scrollBar.state)
1030	{	1073	scrollBar.resize ();
1031	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
1032	0, scrollbar_TotalWidth (), szHint.height);
1033	resize_scrollbar ();
1034	}
1035		1074
1036	if (menubar_visible ())	1075	XMoveResizeWindow (dpy, vt,
1037	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	1076	window_vt_x, window_vt_y,
1038	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
1039
1040	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
1041	window_vt_y, TermWin_TotalWidth (),
1042	TermWin_TotalHeight ());	1077	width, height);
1043	scr_clear ();
1044	#ifdef XPM_BACKGROUND
1045	resize_pixmap ();
1046	#endif
1047		1078
		1079	#ifdef HAVE_BG_PIXMAP
		1080	if (bg_window_size_sensitive ())
		1081	update_background ();
		1082	#endif
1048	}	1083	}
1049		1084
1050	if (fix_screen || old_height == 0)	1085	if (fix_screen || old_height == 0)
1051	{
1052	int curr_screen = -1;
1053	int old_ncol = prev_ncol;
1054
1055	/* scr_reset only works on the primary screen */
1056	if (old_height) /* this is not the first time through */
1057	{
1058	unsigned int ncol = TermWin.ncol;
1059	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1060	curr_screen = scr_change_screen (PRIMARY);
1061	TermWin.ncol = ncol;
1062	}
1063
1064	scr_reset ();	1086	scr_reset ();
1065
1066	if (curr_screen >= 0) /* this is not the first time through */
1067	{
1068	scr_change_screen (curr_screen);
1069	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1070	}
1071	}
1072
1073	old_width = szHint.width;
1074	old_height = szHint.height;
1075		1087
1076	#ifdef USE_XIM	1088	#ifdef USE_XIM
1077	IMSetStatusPosition ();	1089	im_set_position ();
1078	#endif	1090	#endif
1079	}	1091	}
1080		1092
1081	/*	1093	/*
1082	* 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.
1083	* good for toggling 80/132 columns	1095	* good for toggling 80/132 columns
1084	*/	1096	*/
1085	void	1097	void
1086	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1098	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1087	{	1099	{
1088	XWindowAttributes wattr;	1100	XWindowAttributes wattr;
1089		1101
1090	if (width == 0 || height == 0)	1102	if (newwidth == 0 || newheight == 0)
1091	{	1103	{
1092	XGetWindowAttributes (display->display, display->root, &wattr);	1104	XGetWindowAttributes (dpy, display->root, &wattr);
		1105
1093	if (width == 0)	1106	if (newwidth == 0)
1094	width = wattr.width - szHint.base_width;	1107	newwidth = wattr.width - szHint.base_width;
1095	if (height == 0)	1108	if (newheight == 0)
1096	height = wattr.height - szHint.base_height;	1109	newheight = wattr.height - szHint.base_height;
1097	}
1098	if (width != TermWin.width || height != TermWin.height)
1099	{	1110	}
		1111
		1112	if (newwidth != width || newheight != height)
		1113	{
1100	width += szHint.base_width;	1114	newwidth += szHint.base_width;
1101	height += szHint.base_height;	1115	newheight += szHint.base_height;
1102	resize_all_windows (width, height, 0);	1116	resize_all_windows (newwidth, newheight, 0);
1103	}	1117	}
1104	}	1118	}
1105		1119
1106	/* -------------------------------------------------------------------- *	1120	/* -------------------------------------------------------------------- *
1107	* - X INPUT METHOD ROUTINES - *	1121	* - X INPUT METHOD ROUTINES - *
1108	* -------------------------------------------------------------------- */	1122	* -------------------------------------------------------------------- */
1109	#ifdef USE_XIM	1123	#ifdef USE_XIM
1110		1124
1111	void	1125	void
		1126	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1127	{
		1128	fg = pix_colors [Color_fg];
		1129	bg = pix_colors [Color_bg];
		1130	}
		1131
		1132	void
1112	rxvt_term::im_set_size (XRectangle *size)	1133	rxvt_term::im_set_size (XRectangle &size)
1113	{	1134	{
1114	size->x = TermWin.int_bwidth;	1135	// the int_bwidth terms make no sense to me
1115	size->y = TermWin.int_bwidth;	1136	size.x = int_bwidth;
1116	size->width = Width2Pixel (TermWin.ncol);	1137	size.y = int_bwidth;
1117	size->height = Height2Pixel (TermWin.nrow);	1138	size.width = Width2Pixel (ncol) + int_bwidth;
		1139	size.height = Height2Pixel (nrow) + int_bwidth;
1118	}	1140	}
1119		1141
1120	void	1142	void
1121	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1143	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1144	XRectangle &status_rect,
		1145	const XRectangle &needed_rect)
1122	{	1146	{
1123	*fg = PixColors[Color_fg];	1147	preedit_rect.x = needed_rect.width;
1124	*bg = PixColors[Color_bg];	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;
1125	}	1156	}
1126		1157
1127	/* Checking whether input method is running. */	1158	/* Checking whether input method is running. */
1128	bool	1159	bool
1129	rxvt_term::IMisRunning ()	1160	rxvt_term::im_is_running ()
1130	{	1161	{
1131	char *p;	1162	Atom atom;
1132	Atom atom;	1163	Window win;
1133	Window win;
1134	char server[IMBUFSIZ];	1164	char server[IMBUFSIZ];
1135		1165
1136	/* get current locale modifier */	1166	/* get current locale modifier */
1137	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1167	if (char *p = XSetLocaleModifiers (0))
1138	{	1168	{
1139	STRCPY (server, "@server=");	1169	strcpy (server, "@server=");
1140	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1170	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1171
1141	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1172	if (p = strchr (server + 1, '@')) /* first one only */
1142	*p = '\0';	1173	*p = '\0';
1143		1174
1144	atom = XInternAtom (display->display, server, False);	1175	atom = XInternAtom (dpy, server, False);
1145	win = XGetSelectionOwner (display->display, atom);	1176	win = XGetSelectionOwner (dpy, atom);
		1177
1146	if (win != None)	1178	if (win != None)
1147	return True;	1179	return true;
1148	}	1180	}
		1181
1149	return False;	1182	return false;
1150	}	1183	}
1151		1184
1152	void	1185	void
1153	rxvt_term::IMSendSpot ()	1186	rxvt_term::im_send_spot ()
1154	{	1187	{
1155	XPoint spot;	1188	XPoint nspot;
1156	XVaNestedList preedit_attr;	1189	XVaNestedList preedit_attr;
1157		1190
1158	if (Input_Context == NULL	1191	if (!Input_Context
1159	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1192	|| !focus
1160	|| ! (event_type == KeyPress	1193	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1161	|| event_type == Expose
1162	|| event_type == NoExpose
1163	|| event_type == SelectionNotify
1164	|| event_type == ButtonRelease || event_type == FocusIn)
1165	|| !IMisRunning ())
1166	return;	1194	return;
1167		1195
1168	im_set_position (&spot);	1196	im_set_position (nspot);
		1197
		1198	if (nspot.x == spot.x && nspot.y == spot.y)
		1199	return;
		1200
		1201	spot = nspot;
1169		1202
1170	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1203	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1171	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1204	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1172	XFree (preedit_attr);	1205	XFree (preedit_attr);
1173	}	1206	}
1174		1207
1175	void	1208	void
1176	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1177	XRectangle * needed_rect)
1178	{
1179	int mbh, vtx = 0;
1180
1181	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1182	vtx = scrollbar_TotalWidth ();
1183
1184	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1185	mbh -= TermWin.lineSpace;
1186
1187	preedit_rect->x = needed_rect->width + vtx;
1188	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1189
1190	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1191	preedit_rect->height = Height2Pixel (1);
1192
1193	status_rect->x = vtx;
1194	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1195
1196	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1197	status_rect->height = Height2Pixel (1);
1198	}
1199
1200	void
1201	rxvt_term::im_destroy ()	1209	rxvt_term::im_destroy ()
1202	{	1210	{
1203	if (Input_Context)
1204	{
1205	XDestroyIC (Input_Context);
1206	Input_Context = NULL;
1207	}
1208
1209	if (input_method)	1211	if (input_method)
1210	{	1212	{
		1213	if (Input_Context && input_method->xim)
		1214	XDestroyIC (Input_Context);
		1215
1211	display->put_xim (input_method);	1216	display->put_xim (input_method);
1212	input_method = 0;	1217	input_method = 0;
1213	}	1218	}
		1219
		1220	Input_Context = 0;
1214	}	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
1215		1296
1216	/*	1297	/*
1217	* 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
1218	* open a suitable preedit type	1299	* open a suitable preedit type
1219	*/	1300	*/
1220	bool	1301	bool
1221	rxvt_term::IM_get_IC (const char *modifiers)	1302	rxvt_term::im_get_ic (const char *modifiers)
1222	{	1303	{
1223	int i, j, found;	1304	int i, j, found;
1224	XIM xim;	1305	XIM xim;
1225	XPoint spot;	1306	XPoint spot;
1226	XRectangle rect, status_rect, needed_rect;	1307	XRectangle rect, status_rect, needed_rect;
1227	unsigned long fg, bg;	1308	unsigned long fg, bg;
1228	const char *p;	1309	const char *p;
1229	char **s;	1310	char **s;
1230	XIMStyles *xim_styles;	1311	XIMStyles *xim_styles;
1231	XVaNestedList preedit_attr, status_attr;	1312
		1313	set_environ (envv);
1232		1314
1233	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1315	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1234	return false;	1316	return false;
1235		1317
1236	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1237	input_method = display->get_xim (locale, modifiers);	1318	input_method = display->get_xim (locale, modifiers);
1238	if (input_method == NULL)	1319	if (input_method == NULL)
1239	return false;	1320	return false;
1240		1321
1241	xim = input_method->xim;	1322	xim = input_method->xim;
		1323	spot.x = spot.y = -1;
1242		1324
1243	xim_styles = NULL;	1325	xim_styles = NULL;
1244	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1326	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1245	|| !xim_styles || !xim_styles->count_styles)	1327	|| !xim_styles || !xim_styles->count_styles)
1246	{	1328	{
1247	display->put_xim (input_method);	1329	im_destroy ();
1248	return false;	1330	return false;
1249	}	1331	}
1250		1332
1251	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1333	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1252	s = rxvt_splitcommastring (p);	1334
		1335	for (int pi = 0; pi < 2; pi++)
		1336	{
		1337	p = pet[pi];
		1338
		1339	if (!p)
		1340	continue;
		1341
		1342	s = rxvt_strsplit (',', p);
		1343
1253	for (i = found = 0; !found && s[i]; i++)	1344	for (i = found = 0; !found && s[i]; i++)
1254	{	1345	{
1255	if (!STRCMP (s[i], "OverTheSpot"))	1346	if (!strcmp (s[i], "OverTheSpot"))
1256	input_style = (XIMPreeditPosition | XIMStatusNothing);	1347	input_style = XIMPreeditPosition | XIMStatusNothing;
1257	else if (!STRCMP (s[i], "OffTheSpot"))	1348	else if (!strcmp (s[i], "OffTheSpot"))
1258	input_style = (XIMPreeditArea | XIMStatusArea);	1349	input_style = XIMPreeditArea | XIMStatusArea;
1259	else if (!STRCMP (s[i], "Root"))	1350	else if (!strcmp (s[i], "Root"))
1260	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;
1261		1360
1262	for (j = 0; j < xim_styles->count_styles; j++)	1361	for (j = 0; j < xim_styles->count_styles; j++)
1263	if (input_style == xim_styles->supported_styles[j])	1362	if (input_style == xim_styles->supported_styles[j])
1264	{	1363	{
		1364	rxvt_free_strsplit (s);
		1365
1265	found = 1;	1366	found = 1;
1266	break;	1367	goto foundpet;
		1368	}
		1369
1267	}	1370	}
1268	}
1269		1371
1270	for (i = 0; s[i]; i++)	1372	rxvt_free_strsplit (s);
1271	free (s[i]);	1373	}
1272		1374
1273	free (s);	1375	foundpet:
		1376
1274	XFree (xim_styles);	1377	XFree (xim_styles);
1275		1378
1276	if (!found)	1379	if (!found)
1277	{	1380	{
1278	display->put_xim (input_method);	1381	im_destroy ();
1279	return false;	1382	return false;
1280	}	1383	}
1281		1384
1282	preedit_attr = status_attr = NULL;	1385	XFontSet fs = 0;
		1386	XVaNestedList preedit_attr = 0, status_attr = 0;
		1387
		1388	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		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];
		1395
		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);
		1406
		1407	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1408	&missing_charset_list, &missing_charset_count, &def_string);
		1409
		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	}
1283		1419
1284	if (input_style & XIMPreeditPosition)	1420	if (input_style & XIMPreeditPosition)
1285	{	1421	{
1286	im_set_size (&rect);	1422	im_set_size (rect);
1287	im_set_position (&spot);	1423	im_set_position (spot);
1288	im_set_color (&fg, &bg);	1424	im_set_color (fg, bg);
1289		1425
1290	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1426	preedit_attr = XVaCreateNestedList (0,
		1427	XNForeground, fg,
		1428	XNBackground, bg,
		1429	XNArea, &rect,
1291	XNSpotLocation, &spot,	1430	XNSpotLocation, &spot,
1292	XNForeground, fg, XNBackground, bg,
1293	//XNFontSet, TermWin.fontset,	1431	XNFontSet, fs,
1294	NULL);	1432	NULL);
1295	}	1433	}
1296	else if (input_style & XIMPreeditArea)	1434	else if (input_style & XIMPreeditArea)
1297	{	1435	{
1298	im_set_color (&fg, &bg);	1436	im_set_color (fg, bg);
1299		1437
1300	/*	1438	/*
1301	* The necessary width of preedit area is unknown	1439	* The necessary width of preedit area is unknown
1302	* until create input context.	1440	* until create input context.
1303	*/	1441	*/
1304	needed_rect.width = 0;	1442	needed_rect.width = 0;
1305
1306	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1443	im_set_preedit_area (rect, status_rect, needed_rect);
1307		1444
1308	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1445	preedit_attr = XVaCreateNestedList (0,
		1446	XNForeground, fg,
1309	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,
1310	//XNFontSet, TermWin.fontset,	1455	XNFontSet, fs,
1311	NULL);	1456	NULL);
1312	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,	1457	}
1313	XNForeground, fg, XNBackground, bg,	1458	#if ENABLE_XIM_ONTHESPOT
1314	//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
1315	NULL);	1480	NULL);
1316	}	1481	}
		1482	#endif
1317		1483
1318	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1484	Input_Context = XCreateIC (xim,
		1485	XNInputStyle, input_style,
1319	XNClientWindow, TermWin.parent[0],	1486	XNClientWindow, vt,
1320	XNFocusWindow, TermWin.parent[0],	1487	XNFocusWindow, parent,
1321	preedit_attr ? XNPreeditAttributes : NULL,	1488	preedit_attr ? XNPreeditAttributes : NULL,
1322	preedit_attr,	1489	preedit_attr,
1323	status_attr ? XNStatusAttributes : NULL,	1490	status_attr ? XNStatusAttributes : NULL,
1324	status_attr, NULL);	1491	status_attr, NULL);
		1492
1325	if (preedit_attr) XFree (preedit_attr);	1493	if (preedit_attr) XFree (preedit_attr);
1326	if (status_attr) XFree (status_attr);	1494	if (status_attr) XFree (status_attr);
		1495	if (fs) XFreeFontSet (dpy, fs);
1327		1496
1328	if (Input_Context == NULL)	1497	if (Input_Context == NULL)
1329	{	1498	{
1330	rxvt_print_error ("failed to create input context");	1499	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1331	display->put_xim (input_method);	1500	im_destroy ();
1332	return false;	1501	return false;
1333	}	1502	}
1334		1503
1335	if (input_style & XIMPreeditArea)	1504	#if 0
1336	IMSetStatusPosition ();	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
1337		1509
1338	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));	1510	im_set_position ();
		1511
1339	return true;	1512	return true;
1340	}	1513	}
1341		1514
1342	void	1515	void
1343	rxvt_term::im_cb ()	1516	rxvt_term::im_cb ()
1344	{	1517	{
1345	int i, found, had_im;	1518	int i;
1346	const char *p;	1519	const char *p;
1347	char **s;	1520	char **s;
1348	char buf[IMBUFSIZ];	1521	char buf[IMBUFSIZ];
1349		1522
		1523	make_current ();
		1524
1350	im_destroy ();	1525	im_destroy ();
1351		1526
1352	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1353	if (Input_Context)	1527	if (Input_Context)
1354	return;	1528	return;
1355		1529
1356	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1530	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1357	if (rs[Rs_imLocale])	1531	if (rs[Rs_imLocale])
…		…
1361	p = rs[Rs_inputMethod];	1535	p = rs[Rs_inputMethod];
1362	if (p && *p)	1536	if (p && *p)
1363	{	1537	{
1364	bool found = false;	1538	bool found = false;
1365		1539
1366	s = rxvt_splitcommastring (p);	1540	s = rxvt_strsplit (',', p);
		1541
1367	for (i = 0; s[i]; i++)	1542	for (i = 0; s[i]; i++)
1368	{	1543	{
1369	if (*s[i])	1544	if (*s[i])
1370	{	1545	{
1371	STRCPY (buf, "@im=");	1546	strcpy (buf, "@im=");
1372	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1547	strncat (buf, s[i], IMBUFSIZ - 5);
1373	if (IM_get_IC (buf))	1548	if (im_get_ic (buf))
1374	{	1549	{
1375	found = true;	1550	found = true;
1376	break;	1551	break;
1377	}	1552	}
1378	}	1553	}
1379	}	1554	}
1380	for (i = 0; s[i]; i++)	1555
1381	free (s[i]);	1556	rxvt_free_strsplit (s);
1382	free (s);
1383		1557
1384	if (found)	1558	if (found)
1385	goto done;	1559	goto done;
1386	}	1560	}
1387		1561
1388	/* try with XMODIFIERS env. var. */	1562	/* try with XMODIFIERS env. var. */
1389	if (IM_get_IC (""))	1563	if (im_get_ic (""))
1390	goto done;	1564	goto done;
1391		1565
1392	/* 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 */
1393	if (IM_get_IC ("@im=none"))	1567	if (im_get_ic ("@im=none"))
1394	goto done;	1568	goto done;
1395		1569
1396	done:	1570	done:
1397	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1571	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1398	if (rs[Rs_imLocale])	1572	if (rs[Rs_imLocale])
1399	SET_LOCALE (locale);	1573	SET_LOCALE (locale);
1400	#endif	1574	#endif
1401	}	1575	}
1402		1576
1403	void	1577	void
1404	rxvt_term::IMSetStatusPosition ()	1578	rxvt_term::im_set_position ()
1405	{	1579	{
1406	XRectangle preedit_rect, status_rect, *needed_rect;	1580	XRectangle preedit_rect, status_rect, *needed_rect;
1407	XVaNestedList preedit_attr, status_attr;	1581	XVaNestedList preedit_attr, status_attr;
1408		1582
1409	if (Input_Context == NULL	1583	if (!Input_Context
1410	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1584	|| !focus
		1585	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1411	|| !IMisRunning ())	1586	|| !im_is_running ())
1412	return;	1587	return;
1413		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	{
1414	/* Getting the necessary width of preedit area */	1599	/* Getting the necessary width of preedit area */
1415	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1600	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1416	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1601	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1417	XFree (status_attr);	1602	XFree (status_attr);
1418		1603
1419	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);
1420		1606
1421	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1607	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1422	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1608	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1423		1609
1424	XSetICValues (Input_Context,	1610	XSetICValues (Input_Context,
1425	XNPreeditAttributes, preedit_attr,	1611	XNPreeditAttributes, preedit_attr,
1426	XNStatusAttributes, status_attr, NULL);	1612	XNStatusAttributes, status_attr,
		1613	NULL);
1427		1614
		1615	XFree (status_attr);
		1616	}
		1617
1428	XFree (preedit_attr);	1618	XFree (preedit_attr);
1429	XFree (status_attr);
1430	}	1619	}
1431	#endif /* USE_XIM */	1620	#endif /* USE_XIM */
1432		1621
1433	/*----------------------------------------------------------------------*/	1622	void
1434	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 */
1435		1683
1436	/*----------------------- end-of-file (C source) -----------------------*/	1684	/*----------------------- end-of-file (C source) -----------------------*/

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