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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.48 by pcg, Wed Mar 3 04:07:52 2004 UTC vs.
Revision 1.360 by sf-exg, Fri Aug 19 16:01:37 2011 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 */
		267	for (int i = 0; i < allocated.size (); i++)
		268	free (allocated [i]);
		269
		270	free (selection.text);
		271	free (selection.clip_text);
		272	// TODO: manage env vars in child only(!)
143	free (env_display);	273	free (env_display);
144	free (env_term);	274	free (env_term);
145	free (env_colorfgbg);
146	free (locale);	275	free (locale);
147	free (codeset);	276	free (v_buffer);
		277
		278	delete selection_req;
148		279
149	delete envv;	280	delete envv;
150	delete argv;	281	delete argv;
		282
		283	#ifdef KEYSYM_RESOURCE
		284	delete keyboard;
		285	#endif
		286	#ifndef NO_RESOURCES
		287	XrmDestroyDatabase (option_db);
		288	#endif
		289	}
		290
		291	// child has exited, usually destroys
		292	void
		293	rxvt_term::child_cb (ev::child &w, int status)
		294	{
		295	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		296
		297	cmd_pid = 0;
		298
		299	if (!option (Opt_hold))
		300	destroy ();
151	}	301	}
152		302
153	void	303	void
154	rxvt_term::destroy ()	304	rxvt_term::destroy ()
155	{	305	{
		306	if (destroy_ev.is_active ())
		307	return;
		308
		309	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		310
		311	#if ENABLE_OVERLAY
		312	scr_overlay_off ();
		313	#endif
		314
156	if (display)	315	if (display)
157	{	316	{
		317	#if USE_XIM
		318	im_ev.stop (display);
		319	#endif
		320	scrollbar_ev.stop (display);
		321	#if ENABLE_TRANSPARENCY || ENABLE_PERL
158	rootwin_ev.stop (display);	322	rootwin_ev.stop (display);
		323	#endif
159	termwin_ev.stop (display);	324	termwin_ev.stop (display);
160	vt_ev.stop (display);	325	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	}	326	}
172		327
173	check_ev.stop ();	328	flush_ev.stop ();
174	pty_ev.stop ();	329	pty_ev.stop ();
175	#ifdef CURSOR_BLINK	330	#ifdef CURSOR_BLINK
176	cursor_blink_ev.stop ();	331	cursor_blink_ev.stop ();
177	#endif	332	#endif
178	#ifdef TEXT_BLINK	333	#ifdef TEXT_BLINK
179	text_blink_ev.stop ();	334	text_blink_ev.stop ();
180	#endif	335	#endif
		336	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		337	cont_scroll_ev.stop ();
		338	#endif
		339	#ifdef SELECTION_SCROLLING
		340	sel_scroll_ev.stop ();
		341	#endif
181	#ifdef POINTER_BLANK	342	#ifdef POINTER_BLANK
182	pointer_ev.stop ();	343	pointer_ev.stop ();
183	#endif	344	#endif
184		345
185	destroy_ev.start (0);	346	destroy_ev.start ();
186	}	347	}
187		348
188	void	349	void
189	rxvt_term::destroy_cb (time_watcher &w)	350	rxvt_term::destroy_cb (ev::idle &w, int revents)
190	{	351	{
191	SET_R (this);	352	make_current ();
192		353
193	delete this;	354	delete this;
194	}	355	}
195		356
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	357	void
216	rxvt_init_signals ()	358	rxvt_term::set_option (uint8_t opt, bool set)
217	{	359	{
218	/* install exit handler for cleanup */	360	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;	361	return;
		362
		363	uint8_t mask = 1 << (opt & 7);
		364	uint8_t &val = options [opt >> 3];
		365
		366	val = val & ~mask | (set ? mask : 0);
361	}	367	}
362		368
363	/*----------------------------------------------------------------------*/	369	/*----------------------------------------------------------------------*/
364	/*	370	/*
365	* Exit gracefully, clearing the utmp entry and restoring tty attributes	371	* Exit gracefully, clearing the utmp entry and restoring tty attributes
366	* TODO: if debugging, this should free up any known resources if we can	372	* TODO: if debugging, this should free up any known resources if we can
367	*/	373	*/
368	/* EXTPROTO */	374	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		375
377	/* ------------------------------------------------------------------------- *	376	static void
378	* MEMORY ALLOCATION WRAPPERS *	377	rxvt_emergency_cleanup ()
379	* ------------------------------------------------------------------------- */
380	/* EXTPROTO */
381	void *
382	rxvt_malloc (size_t size)
383	{	378	{
384	void *p;	379	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
385		380	(*t)->emergency_cleanup ();
386	p = malloc (size);
387	if (p)
388	return p;
389
390	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
391	rxvt_clean_exit ();
392	exit (EXIT_FAILURE);
393	/* NOTREACHED */
394	}	381	}
395		382
396	/* EXTPROTO */	383	#if !ENABLE_MINIMAL
397	void *	384	static void
398	rxvt_calloc (size_t number, size_t size)	385	print_x_error (Display *dpy, XErrorEvent *event)
399	{	386	{
400	void *p;	387	char buffer[BUFSIZ];
401		388	char mesg[BUFSIZ];
402	p = calloc (number, size);	389	char number[32];
403	if (p)	390	const char mtype[] = "XlibMessage";
404	return p;	391	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
405		392	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
406	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");	393	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
407	rxvt_clean_exit ();	394	rxvt_warn ("%s: %s\n", mesg, buffer);
408	exit (EXIT_FAILURE);	395	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
409	/* NOTREACHED */	396	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		397	sprintf(number, "%d", event->request_code);
		398	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		399	rxvt_warn ("(which is %s)\n", buffer);
		400	if (event->request_code >= 128) {
		401	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		402	mesg, BUFSIZ);
		403	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		404	}
		405	if ((event->error_code == BadWindow) ||
		406	(event->error_code == BadPixmap) ||
		407	(event->error_code == BadCursor) ||
		408	(event->error_code == BadFont) ||
		409	(event->error_code == BadDrawable) ||
		410	(event->error_code == BadColor) ||
		411	(event->error_code == BadGC) ||
		412	(event->error_code == BadIDChoice) ||
		413	(event->error_code == BadValue) ||
		414	(event->error_code == BadAtom)) {
		415	if (event->error_code == BadValue)
		416	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		417	mesg, BUFSIZ);
		418	else if (event->error_code == BadAtom)
		419	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		420	mesg, BUFSIZ);
		421	else
		422	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		423	mesg, BUFSIZ);
		424	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		425	}
		426	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		427	mesg, BUFSIZ);
		428	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
410	}	429	}
		430	#endif
411		431
412	/* EXTPROTO */	432	int
413	void *	433	rxvt_xerror_handler (Display *display, XErrorEvent *event)
414	rxvt_realloc (void *ptr, size_t size)
415	{	434	{
416	void *p;	435	if (GET_R->allowedxerror == -1)
417		436	GET_R->allowedxerror = event->error_code;
418	if (ptr)
419	p = realloc (ptr, size);
420	else	437	else
421	p = malloc (size);	438	{
422	if (p)	439	// GET_R is most likely not the terminal which caused the error,
		440	// so just output the error and continue
		441	#if ENABLE_MINIMAL
		442	old_xerror_handler (display, event);
		443	#else
		444	print_x_error (display, event);
		445	#endif
		446	}
		447
423	return p;	448	return 0;
		449	}
424		450
425	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");	451	int
426	rxvt_clean_exit ();	452	rxvt_xioerror_handler (Display *display)
		453	{
		454	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		455	DisplayString (display));
		456	rxvt_emergency_cleanup ();
427	exit (EXIT_FAILURE);	457	_exit (EXIT_FAILURE);
428	/* NOTREACHED */
429	}	458	}
430		459
431	/* ------------------------------------------------------------------------- *	460	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	{	461	{
438	#if ! defined(__CYGWIN32__)	462	ev::sig sw_term, sw_int;
439	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	463
440	/* setreuid () is the poor man's setuid (), seteuid () */	464	/*
441	# define seteuid(a) setreuid(-1, (a))	465	* Catch a fatal signal and tidy up before quitting
442	# define setegid(a) setregid(-1, (a))	466	*/
443	# define HAVE_SETEUID	467	void sig_term (ev::sig &w, int revents);
		468
		469	sig_handlers ()
		470	{
		471	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		472	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
		473	}
		474	} sig_handlers;
		475
		476	void
		477	sig_handlers::sig_term (ev::sig &w, int revents)
		478	{
		479	rxvt_emergency_cleanup ();
		480	w.stop ();
		481	kill (getpid (), w.signum);
		482	}
		483
		484	static void
		485	rxvt_get_ttymode (struct termios *tio)
		486	{
		487	if (tcgetattr (STDIN_FILENO, tio) < 0)
		488	memset (tio, 0, sizeof (struct termios));
		489
		490	for (int i = 0; i < NCCS; i++)
		491	tio->c_cc[i] = VDISABLE;
		492
		493	tio->c_cc[VINTR] = CINTR;
		494	tio->c_cc[VQUIT] = CQUIT;
		495	tio->c_cc[VERASE] = CERASE;
		496	#ifdef VERASE2
		497	tio->c_cc[VERASE2] = CERASE2;
		498	#endif
		499	tio->c_cc[VKILL] = CKILL;
		500	tio->c_cc[VEOF] = CEOF;
		501	tio->c_cc[VSTART] = CSTART;
		502	tio->c_cc[VSTOP] = CSTOP;
		503	tio->c_cc[VSUSP] = CSUSP;
		504	# ifdef VDSUSP
		505	tio->c_cc[VDSUSP] = CDSUSP;
444	# endif	506	# endif
445	# ifdef HAVE_SETEUID	507	# ifdef VREPRINT
446	switch (mode)	508	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	509	# endif
478	#endif	510	# ifdef VDISCRD
479	}	511	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	512	# endif
529		513	# ifdef VWERSE
530	{	514	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	515	# endif
536		516	# ifdef VLNEXT
537	}	517	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	518	# endif
550		519	# ifdef VSTATUS
551	}	520	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	521	# endif
563	}	522
		523	# if VMIN != VEOF
		524	tio->c_cc[VMIN] = 1;
564	#endif	525	# endif
		526	# if VTIME != VEOL
		527	tio->c_cc[VTIME] = 0;
		528	# endif
		529
		530	/* input modes */
		531	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		532	# ifdef IMAXBEL
		533	| IMAXBEL
		534	# endif
		535	| IXON);
		536
		537	/* output modes */
		538	tio->c_oflag = (OPOST | ONLCR);
		539
		540	/* control modes */
		541	tio->c_cflag = (CS8 | CREAD);
		542
		543	/* local modes */
		544	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		545	# if defined (ECHOCTL) && defined (ECHOKE)
		546	| ECHOCTL | ECHOKE
		547	# endif
		548	| ECHOE | ECHOK);
		549	}
		550
		551	char **rxvt_environ; // startup environment
		552
		553	void
		554	rxvt_init ()
		555	{
		556	assert (("fontMask must not overlap other RS masks",
		557	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		558
		559	rxvt_get_ttymode (&rxvt_term::def_tio);
		560
		561	// get rid of stdin/stdout as we don't need them, to free resources
		562	dup2 (STDERR_FILENO, STDIN_FILENO);
		563	dup2 (STDERR_FILENO, STDOUT_FILENO);
		564
		565	if (!ev_default_loop ())
		566	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		567
		568	rxvt_environ = environ;
		569
		570	signal (SIGHUP, SIG_IGN);
		571	signal (SIGPIPE, SIG_IGN);
		572
		573	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		574	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		575
		576	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		577	// TODO: handle this with exceptions and tolerate the memory loss
		578	XSetIOErrorHandler (rxvt_xioerror_handler);
		579
		580	XrmInitialize ();
		581	}
565		582
566	/*----------------------------------------------------------------------*/	583	/*----------------------------------------------------------------------*/
567	/*	584	/*
568	* window size/position calculcations for XSizeHint and other storage.	585	* window size/position calculations for XSizeHint and other storage.
569	* if width/height are non-zero then override calculated width/height	586	* if width/height are non-zero then override calculated width/height
570	*/	587	*/
571	void	588	void
572	rxvt_term::window_calc (unsigned int width, unsigned int height)	589	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
573	{	590	{
574	short recalc_x, recalc_y;	591	short recalc_x, recalc_y;
575	int x, y, sb_w, mb_h, flags;	592	int x, y, flags;
576	unsigned int w, h;	593	unsigned int w, h;
577	unsigned int max_width, max_height;	594	unsigned int max_width, max_height;
578		595
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;	596	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
583	szHint.win_gravity = NorthWestGravity;	597	szHint.win_gravity = NorthWestGravity;
584	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	598	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
585		599
586	recalc_x = recalc_y = 0;	600	recalc_x = recalc_y = 0;
587	flags = 0;	601	flags = 0;
		602
588	if (!parsed_geometry)	603	if (!parsed_geometry)
589	{	604	{
590	parsed_geometry = 1;	605	parsed_geometry = 1;
		606
591	if (rs[Rs_geometry])	607	if (rs[Rs_geometry])
592	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	608	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		609
593	if (flags & WidthValue)	610	if (flags & WidthValue)
594	{	611	{
595	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	612	if (!w)
		613	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		614
		615	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
596	szHint.flags |= USSize;	616	szHint.flags |= USSize;
597	}	617	}
		618
598	if (flags & HeightValue)	619	if (flags & HeightValue)
599	{	620	{
600	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	621	if (!h)
		622	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		623
		624	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
601	szHint.flags |= USSize;	625	szHint.flags |= USSize;
602	}	626	}
		627
603	if (flags & XValue)	628	if (flags & XValue)
604	{	629	{
605	szHint.x = x;	630	szHint.x = x;
606	szHint.flags |= USPosition;	631	szHint.flags |= USPosition;
		632
607	if (flags & XNegative)	633	if (flags & XNegative)
608	{	634	{
609	recalc_x = 1;	635	recalc_x = 1;
610	szHint.win_gravity = NorthEastGravity;	636	szHint.win_gravity = NorthEastGravity;
611	}	637	}
612	}	638	}
		639
613	if (flags & YValue)	640	if (flags & YValue)
614	{	641	{
615	szHint.y = y;	642	szHint.y = y;
616	szHint.flags |= USPosition;	643	szHint.flags |= USPosition;
		644
617	if (flags & YNegative)	645	if (flags & YNegative)
618	{	646	{
619	recalc_y = 1;	647	recalc_y = 1;
		648
620	if (szHint.win_gravity == NorthEastGravity)	649	if (szHint.win_gravity == NorthEastGravity)
621	szHint.win_gravity = SouthEastGravity;	650	szHint.win_gravity = SouthEastGravity;
622	else	651	else
623	szHint.win_gravity = SouthWestGravity;	652	szHint.win_gravity = SouthWestGravity;
624	}	653	}
625	}	654	}
626	}	655	}
		656
627	/* TODO: BOUNDS */	657	/* TODO: BOUNDS */
628	TermWin.width = TermWin.ncol * TermWin.fwidth;	658	width = ncol * fwidth;
629	TermWin.height = TermWin.nrow * TermWin.fheight;	659	height = nrow * fheight;
630	max_width = MAX_COLS * TermWin.fwidth;	660	max_width = MAX_COLS * fwidth;
631	max_height = MAX_ROWS * TermWin.fheight;	661	max_height = MAX_ROWS * fheight;
632		662
633	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	663	szHint.base_width = szHint.base_height = 2 * int_bwidth;
634		664
635	sb_w = mb_h = 0;
636	window_vt_x = window_vt_y = 0;	665	window_vt_x = window_vt_y = int_bwidth;
637	if (scrollbar_visible ())	666
		667	if (scrollBar.state)
638	{	668	{
639	sb_w = scrollbar_TotalWidth ();	669	int sb_w = scrollBar.total_width ();
640	szHint.base_width += sb_w;	670	szHint.base_width += sb_w;
		671
641	if (! (Options & Opt_scrollBar_right))	672	if (!option (Opt_scrollBar_right))
642	window_vt_x = sb_w;	673	window_vt_x += sb_w;
643	}
644	if (menubar_visible ())
645	{	674	}
646	mb_h = menuBar_TotalHeight ();	675
647	szHint.base_height += mb_h;
648	window_vt_y = mb_h;
649	}
650	szHint.width_inc = TermWin.fwidth;	676	szHint.width_inc = fwidth;
651	szHint.height_inc = TermWin.fheight;	677	szHint.height_inc = fheight;
652	szHint.min_width = szHint.base_width + szHint.width_inc;	678	szHint.min_width = szHint.base_width + szHint.width_inc;
653	szHint.min_height = szHint.base_height + szHint.height_inc;	679	szHint.min_height = szHint.base_height + szHint.height_inc;
654		680
655	if (width && width - szHint.base_width < max_width)	681	if (newwidth && newwidth - szHint.base_width < max_width)
656	{	682	{
657	szHint.width = width;	683	szHint.width = newwidth;
658	TermWin.width = width - szHint.base_width;	684	width = newwidth - szHint.base_width;
659	}	685	}
660	else	686	else
661	{	687	{
662	MIN_IT (TermWin.width, max_width);	688	min_it (width, max_width);
663	szHint.width = szHint.base_width + TermWin.width;	689	szHint.width = szHint.base_width + width;
664	}	690	}
		691
665	if (height && height - szHint.base_height < max_height)	692	if (newheight && newheight - szHint.base_height < max_height)
666	{	693	{
667	szHint.height = height;	694	szHint.height = newheight;
668	TermWin.height = height - szHint.base_height;	695	height = newheight - szHint.base_height;
669	}	696	}
670	else	697	else
671	{	698	{
672	MIN_IT (TermWin.height, max_height);	699	min_it (height, max_height);
673	szHint.height = szHint.base_height + TermWin.height;	700	szHint.height = szHint.base_height + height;
674	}	701	}
675	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
676	window_sb_x = szHint.width - sb_w;
677		702
678	if (recalc_x)	703	if (recalc_x)
679	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	704	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
680	- szHint.width - 2 * TermWin.ext_bwidth);	705
681	if (recalc_y)	706	if (recalc_y)
682	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	707	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
683	- szHint.height - 2 * TermWin.ext_bwidth);
684		708
685	TermWin.ncol = TermWin.width / TermWin.fwidth;	709	ncol = width / fwidth;
686	TermWin.nrow = TermWin.height / TermWin.fheight;	710	nrow = height / fheight;
687	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	711
688	TermWin.ncol, TermWin.nrow, szHint.width,	712	// When the size of the vt window is not a multiple of the cell
689	szHint.height));	713	// size, i.e., when the wm does not honour our size hints, there are
690	return;	714	// extra areas not covered by the terminal screen. Such gaps, when a
		715	// bg pixmap is set, would have to be cleared manually to properly
		716	// refresh the background. We take the simpler route and shrink the
		717	// vt window so as to avoid creating gaps.
		718	width = ncol * fwidth;
		719	height = nrow * fheight;
691	}	720	}
692		721
693	/*----------------------------------------------------------------------*/	722	/*----------------------------------------------------------------------*/
694	/*	723	/*
695	* Tell the teletype handler what size the window is.	724	* Tell the teletype handler what size the window is.
696	* Called after a window size change.	725	* Called after a window size change.
697	*/	726	*/
698	void	727	void
699	rxvt_term::tt_winch ()	728	rxvt_term::tt_winch ()
700	{	729	{
		730	if (pty->pty < 0)
		731	return;
		732
701	struct winsize ws;	733	struct winsize ws;
702		734
703	if (cmd_fd < 0)
704	return;
705
706	ws.ws_col = TermWin.ncol;	735	ws.ws_col = ncol;
707	ws.ws_row = TermWin.nrow;	736	ws.ws_row = nrow;
708	ws.ws_xpixel = ws.ws_ypixel = 0;	737	ws.ws_xpixel = width;
709	#ifndef DEBUG_SIZE	738	ws.ws_ypixel = height;
710	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	739	ioctl (pty->pty, TIOCSWINSZ, &ws);
		740
		741	#if 0
		742	// TIOCSWINSZ is supposed to do this automatically and correctly
		743	if (cmd_pid) /* force through to the command */
		744	kill (-cmd_pid, SIGWINCH);
		745	#endif
		746	}
		747
		748	/*----------------------------------------------------------------------*/
		749	/* load and set the various fonts */
		750	bool
		751	rxvt_term::set_fonts ()
		752	{
		753	rxvt_fontset *fs = new rxvt_fontset (this);
		754	rxvt_fontprop prop;
		755
		756	if (!fs
		757	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		758	|| !fs->realize_font (1))
		759	{
		760	delete fs;
		761	return false;
		762	}
		763
		764	#if ENABLE_STYLES
		765	for (int i = RS_styleCount; --i; )
		766	if (fontset[i] != fontset[0])
		767	delete fontset[i];
		768	#endif
		769
		770	delete fontset[0];
		771	fontset[0] = fs;
		772
		773	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		774	prop.height += lineSpace;
		775	prop.width += letterSpace;
		776
		777	fs->set_prop (prop, false);
		778
		779	fwidth = prop.width;
		780	fheight = prop.height;
		781	fbase = prop.ascent;
		782
		783	for (int style = 1; style < 4; style++)
		784	{
		785	#if ENABLE_STYLES
		786	const char *res = rs[Rs_font + style];
		787
		788	if (res && !*res)
		789	fontset[style] = fontset[0];
		790	else
		791	{
		792	fontset[style] = fs = new rxvt_fontset (this);
		793	rxvt_fontprop prop2 = prop;
		794
		795	if (res)
		796	{
		797	fs->populate (res);
		798	fs->set_prop (prop2, false);
		799	}
		800	else
		801	{
		802	fs->populate (fontset[0]->fontdesc);
		803
		804	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		805	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		806
		807	fs->set_prop (prop2, true);
		808	}
		809
		810	}
711	#else	811	#else
712	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	812	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	813	#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	{	814	}
734	// TODO	815
		816	if (parent)
735	}	817	{
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 ? fontname : "fixed"))
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	if (TermWin.parent[0])
753	{
754	resize_all_windows (0, 0, 0);	818	resize_all_windows (0, 0, 0);
755	scr_remap_chars ();	819	scr_remap_chars ();
756	scr_touch (true);	820	scr_touch (true);
757	}	821	}
758		822
759	return true;	823	return true;
760	}	824	}
		825
		826	void
		827	rxvt_term::set_string_property (Atom prop, const char *str, int len)
		828	{
		829	XChangeProperty (dpy, parent,
		830	prop, XA_STRING, 8, PropModeReplace,
		831	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		832	}
		833
		834	void
		835	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		836	{
		837	XTextProperty ct;
		838
		839	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
761	}	840	{
762		841	XSetTextProperty (dpy, parent, &ct, prop);
763	return false;	842	XFree (ct.value);
		843	}
764	}	844	}
765		845
766	bool	846	void
767	rxvt_term::font_up_down (int n, int direction)	847	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
768	{	848	{
769	return false;	849	wchar_t *ws = rxvt_mbstowcs (str, len);
		850	char *s = rxvt_wcstoutf8 (ws);
		851
		852	XChangeProperty (dpy, parent,
		853	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		854	(const unsigned char *)s, strlen (s));
		855
		856	free (s);
		857	free (ws);
770	}	858	}
771		859
772	/*----------------------------------------------------------------------*/	860	/*----------------------------------------------------------------------*/
773	/*----------------------------------------------------------------------*/	861	/*----------------------------------------------------------------------*/
774	/* xterm sequences - title, iconName, color (exptl) */	862	/* xterm sequences - title, iconName, color (exptl) */
775	void	863	void
776	rxvt_term::set_title (const char *str)	864	rxvt_term::set_title (const char *str)
777	{	865	{
778	#ifndef SMART_WINDOW_TITLE	866	set_mbstring_property (XA_WM_NAME, str);
779	XStoreName (display->display, TermWin.parent[0], str);	867	#if ENABLE_EWMH
780	#else	868	set_utf8_property (xa[XA_NET_WM_NAME], str);
781	char *name;
782
783	if (XFetchName (display->display, TermWin.parent[0], &name) == 0)
784	name = NULL;
785	if (name == NULL || STRCMP (name, str))
786	XStoreName (display->display, TermWin.parent[0], str);
787	if (name)
788	XFree (name);
789	#endif	869	#endif
790	}	870	}
791		871
792	void	872	void
793	rxvt_term::set_iconName (const char *str)	873	rxvt_term::set_icon_name (const char *str)
794	{	874	{
795	#ifndef SMART_WINDOW_TITLE	875	set_mbstring_property (XA_WM_ICON_NAME, str);
796	XSetIconName (display->display, TermWin.parent[0], str);	876	#if ENABLE_EWMH
797	#else	877	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
798	char *name;
799
800	if (XGetIconName (display->display, TermWin.parent[0], &name))
801	name = NULL;
802	if (name == NULL || STRCMP (name, str))
803	XSetIconName (display->display, TermWin.parent[0], str);
804	if (name)
805	XFree (name);
806	#endif	878	#endif
807	}	879	}
808		880
		881	void
		882	rxvt_term::set_window_color (int idx, const char *color)
		883	{
809	#ifdef XTERM_COLOR_CHANGE	884	#ifdef XTERM_COLOR_CHANGE
810	void
811	rxvt_term::set_window_color (int idx, const char *color)
812	{
813	rxvt_color xcol;	885	rxvt_color xcol;
814	int i;
815		886
816	if (color == NULL || *color == '\0')	887	if (color == NULL || *color == '\0')
817	return;	888	return;
818		889
		890	color = strdup (color);
		891	allocated.push_back ((void *)color);
		892	rs[Rs_color + idx] = color;
		893
819	/* handle color aliases */	894	/* handle color aliases */
820	if (isdigit (*color))	895	if (isdigit (*color))
821	{	896	{
822	i = atoi (color);	897	int i = atoi (color);
		898
823	if (i >= 8 && i <= 15)	899	if (i >= 8 && i <= 15)
		900	{
824	{ /* bright colors */	901	/* bright colors */
825	i -= 8;
826	# ifndef NO_BRIGHTCOLOR
827	PixColors[idx] = PixColors[minBrightCOLOR + i];	902	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
828	SET_PIXCOLOR (idx);
829	goto Done;	903	goto done;
830	# endif
831
832	}	904	}
		905
833	if (i >= 0 && i <= 7)	906	if (i >= 0 && i <= 7)
		907	{
834	{ /* normal colors */	908	/* normal colors */
835	PixColors[idx] = PixColors[minCOLOR + i];	909	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
836	SET_PIXCOLOR (idx);
837	goto Done;	910	goto done;
838	}	911	}
839	}	912	}
840	if (!rXParseAllocColor (& xcol, color))	913
841	return;	914	set_color (xcol, color);
842	/* XStoreColor (display->display, XCMAP, XColor*); */
843		915
844	/*	916	/*
845	* FIXME: should free colors here, but no idea how to do it so instead,	917	* FIXME: should free colors here, but no idea how to do it so instead,
846	* so just keep gobbling up the colormap	918	* so just keep gobbling up the colormap
847	*/	919	*/
848	# if 0
849	for (i = Color_Black; i <= Color_White; i++)
850	if (PixColors[idx] == PixColors[i])
851	break;
852	if (i > Color_White)
853	{
854	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
855	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,
856	DisplayPlanes (display->display, display->screen));
857	}
858	# endif
859		920
860	PixColors[idx] = xcol;	921	pix_colors_focused[idx] = xcol;
861	SET_PIXCOLOR (idx);
862		922
863	/* XSetWindowAttributes attr; */
864	/* Cursor cursor; */
865	Done:	923	done:
866	if (idx == Color_bg && ! (Options & Opt_transparent))
867	XSetWindowBackground (display->display, TermWin.vt,
868	PixColors[Color_bg]);
869
870	/* handle Color_BD, scrollbar background, etc. */	924	/*TODO: handle Color_BD, scrollbar background, etc. */
871		925
872	set_colorfgbg ();	926	update_fade_color (idx);
873	recolour_cursor ();	927	recolour_cursor ();
874	/* the only reasonable way to enforce a clean update */	928	scr_recolour ();
875	scr_poweron ();	929	#endif /* XTERM_COLOR_CHANGE */
876	}	930	}
877
878	#else
879	# define set_window_color (idx,color) ((void)0)
880	#endif /* XTERM_COLOR_CHANGE */
881		931
882	void	932	void
883	rxvt_term::recolour_cursor ()	933	rxvt_term::recolour_cursor ()
884	{	934	{
885	#if TODO	935	XColor fg, bg;
886	rxvt_color xcol[2];
887		936
888	xcol[0] = PixColors[Color_pointer];	937	(ISSET_PIXCOLOR (Color_pointer_fg)
889	xcol[1] = PixColors[Color_bg];	938	? pix_colors_focused[Color_pointer_fg]
890	XQueryColors (display->display, XCMAP, xcol, 2);	939	: pix_colors_focused[Color_fg]).get (fg);
891	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	940
892	#endif	941	(ISSET_PIXCOLOR (Color_pointer_bg)
		942	? pix_colors_focused[Color_pointer_bg]
		943	: pix_colors_focused[Color_bg]).get (bg);
		944
		945	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
893	}	946	}
894		947
895	/*----------------------------------------------------------------------*/	948	/*----------------------------------------------------------------------*/
896	/*	949	/*
897	* find if fg/bg matches any of the normal (low-intensity) colors	950	* find if fg/bg matches any of the normal (low-intensity) colors
898	*/	951	*/
899	void	952	void
900	rxvt_term::set_colorfgbg ()	953	rxvt_term::set_colorfgbg ()
901	{	954	{
902	unsigned int i;	955	unsigned int i;
903	const char *xpmb = "\0";	956	const char *xpmb = "";
904	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	957	char fstr[] = "default";
		958	char bstr[] = "default";
905		959
906	env_colorfgbg =
907	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
908	STRCPY (fstr, "default");
909	STRCPY (bstr, "default");
910	for (i = Color_Black; i <= Color_White; i++)	960	for (i = Color_Black; i <= Color_White; i++)
911	if (PixColors[Color_fg] == PixColors[i])	961	if (pix_colors[Color_fg] == pix_colors[i])
912	{	962	{
913	sprintf (fstr, "%d", (i - Color_Black));	963	sprintf (fstr, "%d", i - Color_Black);
914	break;	964	break;
915	}	965	}
		966
916	for (i = Color_Black; i <= Color_White; i++)	967	for (i = Color_Black; i <= Color_White; i++)
917	if (PixColors[Color_bg] == PixColors[i])	968	if (pix_colors[Color_bg] == pix_colors[i])
918	{	969	{
919	sprintf (bstr, "%d", (i - Color_Black));	970	sprintf (bstr, "%d", i - Color_Black);
920	#ifdef XPM_BACKGROUND	971	#ifdef BG_IMAGE_FROM_FILE
921	xpmb = "default;";	972	xpmb = "default;";
922	#endif	973	#endif
923	break;	974	break;
924	}	975	}
925		976
926	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	977	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
927
928	#ifndef NO_BRIGHTCOLOR
929	colorfgbg = DEFAULT_RSTYLE;
930	for (i = minCOLOR; i <= maxCOLOR; i++)
931	{
932	if (PixColors[Color_fg] == PixColors[i])
933	colorfgbg = SET_FGCOLOR (colorfgbg, i);
934	if (PixColors[Color_bg] == PixColors[i])
935	colorfgbg = SET_BGCOLOR (colorfgbg, i);
936	}
937	#endif
938	}	978	}
939		979
940	/*----------------------------------------------------------------------*/	980	/*----------------------------------------------------------------------*/
941	/*
942	* Colour determination for low colour displays, routine from
943	* Hans de Goede <hans@highrise.nl>
944	*/
945		981
946	int	982	bool
947	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	983	rxvt_term::set_color (rxvt_color &color, const char *name)
948	{	984	{
949	if (!screen_in_out->set (display, colour))	985	if (color.set (this, name))
950	{
951	rxvt_print_error ("can't allocate colour: %s", colour);
952	return false;
953	}
954
955	return true;	986	return true;
		987
		988	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		989	return false;
		990	}
		991
		992	void
		993	rxvt_term::alias_color (int dst, int src)
		994	{
		995	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
956	}	996	}
957		997
958	/* -------------------------------------------------------------------- *	998	/* -------------------------------------------------------------------- *
959	* - WINDOW RESIZING - *	999	* - WINDOW RESIZING - *
960	* -------------------------------------------------------------------- */	1000	* -------------------------------------------------------------------- */
961	void	1001	void
962	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1002	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
963	{	1003	{
964	int fix_screen;	1004	int fix_screen;
		1005	int old_width = szHint.width;
		1006	int old_height = szHint.height;
965		1007
966	#ifdef SMART_RESIZE
967	int old_width = szHint.width, old_height = szHint.height;
968	#endif
969
970	window_calc (width, height);	1008	window_calc (newwidth, newheight);
		1009
		1010	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1011
		1012	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1013	if (set_hint)
		1014	{
		1015	szHint.flags &= ~(PBaseSize | PResizeInc);
971	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1016	XSetWMNormalHints (dpy, parent, &szHint);
		1017	szHint.flags |= PBaseSize | PResizeInc;
		1018	}
		1019
972	if (!ignoreparent)	1020	if (!ignoreparent)
973	{	1021	{
974	#ifdef SMART_RESIZE	1022	#ifdef SMART_RESIZE
975	/*	1023	/*
976	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1024	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
979	int x, y, x1, y1;	1027	int x, y, x1, y1;
980	int dx, dy;	1028	int dx, dy;
981	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1029	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
982	Window unused_cr;	1030	Window unused_cr;
983		1031
984	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1032	XTranslateCoordinates (dpy, parent, display->root,
985	0, 0, &x, &y, &unused_cr);	1033	0, 0, &x, &y, &unused_cr);
986	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1034	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
987	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1035	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
988	/*	1036	/*
989	* if display->root isn't the parent window, a WM will probably have offset	1037	* if display->root isn't the parent window, a WM will probably have offset
990	* our position for handles and decorations. Counter it	1038	* our position for handles and decorations. Counter it
991	*/	1039	*/
…		…
993	{	1041	{
994	x -= x1;	1042	x -= x1;
995	y -= y1;	1043	y -= y1;
996	}	1044	}
997		1045
998	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1046	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
999	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1047	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1000	dx = old_width - szHint.width;	1048	dx = old_width - szHint.width;
1001	dy = old_height - szHint.height;	1049	dy = old_height - szHint.height;
1002		1050
1003	/* Check position of the center of the window */	1051	/* Check position of the center of the window */
1004	if (x < x1) /* left half */	1052	if (x < x1) /* left half */
1005	dx = 0;	1053	dx = 0;
…		…
1008	if (y < y1) /* top half */	1056	if (y < y1) /* top half */
1009	dy = 0;	1057	dy = 0;
1010	else if (y == y1) /* exact center */	1058	else if (y == y1) /* exact center */
1011	dy /= 2;	1059	dy /= 2;
1012		1060
1013	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1061	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
1014	szHint.width, szHint.height);	1062	szHint.width, szHint.height);
1015	#else	1063	#else
1016	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	1064	XResizeWindow (dpy, parent, szHint.width, szHint.height);
1017	szHint.height);
1018	#endif	1065	#endif
1019
1020	}	1066	}
1021		1067
1022	fix_screen = (TermWin.ncol != prev_ncol	1068	if (set_hint)
1023	|| TermWin.nrow != prev_nrow);	1069	XSetWMNormalHints (dpy, parent, &szHint);
1024		1070
		1071	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1072
1025	if (fix_screen || width != old_width || height != old_height)	1073	if (fix_screen || newwidth != old_width || newheight != old_height)
1026	{	1074	{
1027	if (scrollbar_visible ())	1075	if (scrollBar.state)
1028	{	1076	scrollBar.resize ();
1029	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
1030	0, scrollbar_TotalWidth (), szHint.height);
1031	resize_scrollbar ();
1032	}
1033		1077
1034	if (menubar_visible ())	1078	XMoveResizeWindow (dpy, vt,
1035	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	1079	window_vt_x, window_vt_y,
1036	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
1037
1038	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
1039	window_vt_y, TermWin_TotalWidth (),
1040	TermWin_TotalHeight ());	1080	width, height);
1041	scr_clear (height != old_height);
1042	#ifdef XPM_BACKGROUND
1043	resize_pixmap ();
1044	#endif
1045		1081
		1082	#ifdef HAVE_BG_PIXMAP
		1083	if (bg_window_size_sensitive ())
		1084	update_background ();
		1085	#endif
1046	}	1086	}
1047		1087
1048	if (fix_screen || old_height == 0)	1088	if (fix_screen || old_height == 0)
1049	{
1050	int curr_screen = -1;
1051	int old_ncol = prev_ncol;
1052
1053	/* scr_reset only works on the primary screen */
1054	if (old_height) /* this is not the first time through */
1055	{
1056	unsigned int ncol = TermWin.ncol;
1057	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1058	curr_screen = scr_change_screen (PRIMARY);
1059	TermWin.ncol = ncol;
1060	}
1061
1062	scr_reset ();	1089	scr_reset ();
1063
1064	if (curr_screen >= 0) /* this is not the first time through */
1065	{
1066	scr_change_screen (curr_screen);
1067	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1068	}
1069	}
1070
1071	old_width = szHint.width;
1072	old_height = szHint.height;
1073		1090
1074	#ifdef USE_XIM	1091	#ifdef USE_XIM
1075	IMSetStatusPosition ();	1092	im_set_position ();
1076	#endif	1093	#endif
1077	}	1094	}
1078		1095
1079	/*	1096	/*
1080	* Set the width/height of the vt window in characters. Units are pixels.	1097	* Set the width/height of the vt window in characters. Units are pixels.
1081	* good for toggling 80/132 columns	1098	* good for toggling 80/132 columns
1082	*/	1099	*/
1083	void	1100	void
1084	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1101	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1085	{	1102	{
1086	XWindowAttributes wattr;	1103	XWindowAttributes wattr;
1087		1104
1088	if (width == 0 || height == 0)	1105	if (newwidth == 0 || newheight == 0)
1089	{	1106	{
1090	XGetWindowAttributes (display->display, display->root, &wattr);	1107	XGetWindowAttributes (dpy, display->root, &wattr);
		1108
1091	if (width == 0)	1109	if (newwidth == 0)
1092	width = wattr.width - szHint.base_width;	1110	newwidth = wattr.width - szHint.base_width;
1093	if (height == 0)	1111	if (newheight == 0)
1094	height = wattr.height - szHint.base_height;	1112	newheight = wattr.height - szHint.base_height;
1095	}
1096	if (width != TermWin.width || height != TermWin.height)
1097	{	1113	}
		1114
		1115	if (newwidth != width || newheight != height)
		1116	{
1098	width += szHint.base_width;	1117	newwidth += szHint.base_width;
1099	height += szHint.base_height;	1118	newheight += szHint.base_height;
1100	resize_all_windows (width, height, 0);	1119	resize_all_windows (newwidth, newheight, 0);
1101	}	1120	}
1102	}	1121	}
1103		1122
1104	/* -------------------------------------------------------------------- *	1123	/* -------------------------------------------------------------------- *
1105	* - X INPUT METHOD ROUTINES - *	1124	* - X INPUT METHOD ROUTINES - *
1106	* -------------------------------------------------------------------- */	1125	* -------------------------------------------------------------------- */
1107	#ifdef USE_XIM	1126	#ifdef USE_XIM
1108		1127
1109	void	1128	void
		1129	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1130	{
		1131	fg = pix_colors [Color_fg];
		1132	bg = pix_colors [Color_bg];
		1133	}
		1134
		1135	void
1110	rxvt_term::im_set_size (XRectangle *size)	1136	rxvt_term::im_set_size (XRectangle &size)
1111	{	1137	{
1112	size->x = TermWin.int_bwidth;	1138	// the int_bwidth terms make no sense to me
1113	size->y = TermWin.int_bwidth;	1139	size.x = int_bwidth;
1114	size->width = Width2Pixel (TermWin.ncol);	1140	size.y = int_bwidth;
1115	size->height = Height2Pixel (TermWin.nrow);	1141	size.width = Width2Pixel (ncol) + int_bwidth;
		1142	size.height = Height2Pixel (nrow) + int_bwidth;
1116	}	1143	}
1117		1144
1118	void	1145	void
1119	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1146	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1147	XRectangle &status_rect,
		1148	const XRectangle &needed_rect)
1120	{	1149	{
1121	*fg = PixColors[Color_fg];	1150	preedit_rect.x = needed_rect.width;
1122	*bg = PixColors[Color_bg];	1151	preedit_rect.y = 0;
		1152	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1153	preedit_rect.height = fheight;
		1154
		1155	status_rect.x = 0;
		1156	status_rect.y = 0;
		1157	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1158	status_rect.height = fheight;
1123	}	1159	}
1124		1160
1125	/* Checking whether input method is running. */	1161	/* Checking whether input method is running. */
1126	bool	1162	bool
1127	rxvt_term::IMisRunning ()	1163	rxvt_term::im_is_running ()
1128	{	1164	{
1129	char *p;	1165	Atom atom;
1130	Atom atom;	1166	Window win;
1131	Window win;
1132	char server[IMBUFSIZ];	1167	char server[IMBUFSIZ];
1133		1168
1134	/* get current locale modifier */	1169	/* get current locale modifier */
1135	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1170	if (char *p = XSetLocaleModifiers (0))
1136	{	1171	{
1137	STRCPY (server, "@server=");	1172	strcpy (server, "@server=");
1138	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1173	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1174
1139	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1175	if (p = strchr (server + 1, '@')) /* first one only */
1140	*p = '\0';	1176	*p = '\0';
1141		1177
1142	atom = XInternAtom (display->display, server, False);	1178	atom = XInternAtom (dpy, server, False);
1143	win = XGetSelectionOwner (display->display, atom);	1179	win = XGetSelectionOwner (dpy, atom);
		1180
1144	if (win != None)	1181	if (win != None)
1145	return True;	1182	return true;
1146	}	1183	}
		1184
1147	return False;	1185	return false;
1148	}	1186	}
1149		1187
1150	void	1188	void
1151	rxvt_term::IMSendSpot ()	1189	rxvt_term::im_send_spot ()
1152	{	1190	{
1153	XPoint spot;	1191	XPoint nspot;
1154	XVaNestedList preedit_attr;	1192	XVaNestedList preedit_attr;
1155		1193
1156	if (Input_Context == NULL	1194	if (!Input_Context
1157	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1195	|| !focus
1158	|| ! (event_type == KeyPress	1196	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1159	|| event_type == Expose
1160	|| event_type == NoExpose
1161	|| event_type == SelectionNotify
1162	|| event_type == ButtonRelease || event_type == FocusIn)
1163	|| !IMisRunning ())
1164	return;	1197	return;
1165		1198
1166	im_set_position (&spot);	1199	im_set_position (nspot);
		1200
		1201	if (nspot.x == spot.x && nspot.y == spot.y)
		1202	return;
		1203
		1204	spot = nspot;
1167		1205
1168	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1206	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1169	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1207	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1170	XFree (preedit_attr);	1208	XFree (preedit_attr);
1171	}	1209	}
1172		1210
1173	void	1211	void
1174	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1175	XRectangle * needed_rect)
1176	{
1177	int mbh, vtx = 0;
1178
1179	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1180	vtx = scrollbar_TotalWidth ();
1181
1182	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1183	mbh -= TermWin.lineSpace;
1184
1185	preedit_rect->x = needed_rect->width + vtx;
1186	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1187
1188	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1189	preedit_rect->height = Height2Pixel (1);
1190
1191	status_rect->x = vtx;
1192	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1193
1194	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1195	status_rect->height = Height2Pixel (1);
1196	}
1197
1198	void
1199	rxvt_term::im_destroy ()	1212	rxvt_term::im_destroy ()
1200	{	1213	{
1201	if (Input_Context)
1202	{
1203	XDestroyIC (Input_Context);
1204	Input_Context = NULL;
1205	}
1206
1207	if (input_method)	1214	if (input_method)
1208	{	1215	{
		1216	if (Input_Context && input_method->xim)
		1217	XDestroyIC (Input_Context);
		1218
1209	display->put_xim (input_method);	1219	display->put_xim (input_method);
1210	input_method = 0;	1220	input_method = 0;
1211	}	1221	}
		1222
		1223	Input_Context = 0;
1212	}	1224	}
		1225
		1226	#ifdef ENABLE_XIM_ONTHESPOT
		1227
		1228	static void
		1229	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1230	{
		1231	((rxvt_term *)client_data)->make_current ();
		1232	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1233	}
		1234
		1235	static void
		1236	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1237	{
		1238	((rxvt_term *)client_data)->make_current ();
		1239	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1240	}
		1241
		1242	static void
		1243	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1244	{
		1245	rxvt_term *term = (rxvt_term *)client_data;
		1246	XIMText *text = call_data->text;
		1247
		1248	term->make_current ();
		1249
		1250	if (text)
		1251	{
		1252	wchar_t *str;
		1253
		1254	if (!text->encoding_is_wchar && text->string.multi_byte)
		1255	{
		1256	// of course, X makes it ugly again
		1257	if (term->rs[Rs_imLocale])
		1258	SET_LOCALE (term->rs[Rs_imLocale]);
		1259
		1260	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1261	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1262
		1263	if (term->rs[Rs_imLocale])
		1264	SET_LOCALE (term->locale);
		1265	}
		1266	else
		1267	str = text->string.wide_char;
		1268
		1269	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1270	DT_INT, call_data->caret,
		1271	DT_INT, call_data->chg_first,
		1272	DT_INT, call_data->chg_length,
		1273	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1274	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1275	DT_END));
		1276	}
		1277	else
		1278	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1279	DT_INT, call_data->caret,
		1280	DT_INT, call_data->chg_first,
		1281	DT_INT, call_data->chg_length,
		1282	DT_END));
		1283	}
		1284
		1285	#if 0
		1286	static void
		1287	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1288	{
		1289	((rxvt_term *)client_data)->make_current ();
		1290	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1291	DT_INT, call_data->position,
		1292	DT_INT, call_data->direction,
		1293	DT_INT, call_data->style,
		1294	DT_END));
		1295	}
		1296	#endif
		1297
		1298	#endif
1213		1299
1214	/*	1300	/*
1215	* Try to open a XIM with the current modifiers, then see if we can	1301	* Try to open a XIM with the current modifiers, then see if we can
1216	* open a suitable preedit type	1302	* open a suitable preedit type
1217	*/	1303	*/
1218	bool	1304	bool
1219	rxvt_term::IM_get_IC (const char *modifiers)	1305	rxvt_term::im_get_ic (const char *modifiers)
1220	{	1306	{
1221	int i, j, found;	1307	int i, j, found;
1222	XIM xim;	1308	XIM xim;
1223	XPoint spot;	1309	XPoint spot;
1224	XRectangle rect, status_rect, needed_rect;	1310	XRectangle rect, status_rect, needed_rect;
1225	unsigned long fg, bg;	1311	unsigned long fg, bg;
1226	const char *p;	1312	const char *p;
1227	char **s;	1313	char **s;
1228	XIMStyles *xim_styles;	1314	XIMStyles *xim_styles;
1229	XVaNestedList preedit_attr, status_attr;	1315
		1316	set_environ (envv);
1230		1317
1231	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1318	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1232	return false;	1319	return false;
1233		1320
1234	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1235	input_method = display->get_xim (locale, modifiers);	1321	input_method = display->get_xim (locale, modifiers);
1236	if (input_method == NULL)	1322	if (input_method == NULL)
1237	return false;	1323	return false;
1238		1324
1239	xim = input_method->xim;	1325	xim = input_method->xim;
		1326	spot.x = spot.y = -1;
1240		1327
1241	xim_styles = NULL;	1328	xim_styles = NULL;
1242	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1329	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1243	|| !xim_styles || !xim_styles->count_styles)	1330	|| !xim_styles || !xim_styles->count_styles)
1244	{	1331	{
1245	display->put_xim (input_method);	1332	im_destroy ();
1246	return false;	1333	return false;
1247	}	1334	}
1248		1335
1249	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1336	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1250	s = rxvt_splitcommastring (p);	1337
		1338	for (int pi = 0; pi < 2; pi++)
		1339	{
		1340	p = pet[pi];
		1341
		1342	if (!p)
		1343	continue;
		1344
		1345	s = rxvt_strsplit (',', p);
		1346
1251	for (i = found = 0; !found && s[i]; i++)	1347	for (i = found = 0; !found && s[i]; i++)
1252	{	1348	{
1253	if (!STRCMP (s[i], "OverTheSpot"))	1349	if (!strcmp (s[i], "OverTheSpot"))
1254	input_style = (XIMPreeditPosition | XIMStatusNothing);	1350	input_style = XIMPreeditPosition | XIMStatusNothing;
1255	else if (!STRCMP (s[i], "OffTheSpot"))	1351	else if (!strcmp (s[i], "OffTheSpot"))
1256	input_style = (XIMPreeditArea | XIMStatusArea);	1352	input_style = XIMPreeditArea | XIMStatusArea;
1257	else if (!STRCMP (s[i], "Root"))	1353	else if (!strcmp (s[i], "Root"))
1258	input_style = (XIMPreeditNothing | XIMStatusNothing);	1354	input_style = XIMPreeditNothing | XIMStatusNothing;
		1355	else if (!strcmp (s[i], "None"))
		1356	input_style = XIMPreeditNone | XIMStatusNone;
		1357	#ifdef ENABLE_XIM_ONTHESPOT
		1358	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1359	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1360	#endif
		1361	else
		1362	input_style = XIMPreeditNothing | XIMStatusNothing;
1259		1363
1260	for (j = 0; j < xim_styles->count_styles; j++)	1364	for (j = 0; j < xim_styles->count_styles; j++)
1261	if (input_style == xim_styles->supported_styles[j])	1365	if (input_style == xim_styles->supported_styles[j])
1262	{	1366	{
		1367	rxvt_free_strsplit (s);
		1368
1263	found = 1;	1369	found = 1;
1264	break;	1370	goto foundpet;
		1371	}
		1372
1265	}	1373	}
1266	}
1267		1374
1268	for (i = 0; s[i]; i++)	1375	rxvt_free_strsplit (s);
1269	free (s[i]);	1376	}
1270		1377
1271	free (s);	1378	foundpet:
		1379
1272	XFree (xim_styles);	1380	XFree (xim_styles);
1273		1381
1274	if (!found)	1382	if (!found)
1275	{	1383	{
1276	display->put_xim (input_method);	1384	im_destroy ();
1277	return false;	1385	return false;
1278	}	1386	}
1279		1387
1280	preedit_attr = status_attr = NULL;	1388	XFontSet fs = 0;
		1389	XVaNestedList preedit_attr = 0, status_attr = 0;
		1390
		1391	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1392	{
		1393	// fake us a font-set, please
		1394	char **missing_charset_list;
		1395	int missing_charset_count;
		1396	char *def_string;
		1397	char pat[512];
		1398
		1399	sprintf (pat,
		1400	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1401	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1402	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1403	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1404	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1405	"*",
		1406	fheight,
		1407	fheight + 1, fheight - 1,
		1408	fheight - 2, fheight + 2);
		1409
		1410	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1411	&missing_charset_list, &missing_charset_count, &def_string);
		1412
		1413	if (missing_charset_list)
		1414	XFreeStringList (missing_charset_list);
		1415
		1416	if (!fs)
		1417	{
		1418	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1419	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1420	}
		1421	}
1281		1422
1282	if (input_style & XIMPreeditPosition)	1423	if (input_style & XIMPreeditPosition)
1283	{	1424	{
1284	im_set_size (&rect);	1425	im_set_size (rect);
1285	im_set_position (&spot);	1426	im_set_position (spot);
1286	im_set_color (&fg, &bg);	1427	im_set_color (fg, bg);
1287		1428
1288	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1429	preedit_attr = XVaCreateNestedList (0,
		1430	XNForeground, fg,
		1431	XNBackground, bg,
		1432	XNArea, &rect,
1289	XNSpotLocation, &spot,	1433	XNSpotLocation, &spot,
1290	XNForeground, fg, XNBackground, bg,
1291	//XNFontSet, TermWin.fontset,	1434	XNFontSet, fs,
1292	NULL);	1435	NULL);
1293	}	1436	}
1294	else if (input_style & XIMPreeditArea)	1437	else if (input_style & XIMPreeditArea)
1295	{	1438	{
1296	im_set_color (&fg, &bg);	1439	im_set_color (fg, bg);
1297		1440
1298	/*	1441	/*
1299	* The necessary width of preedit area is unknown	1442	* The necessary width of preedit area is unknown
1300	* until create input context.	1443	* until create input context.
1301	*/	1444	*/
1302	needed_rect.width = 0;	1445	needed_rect.width = 0;
1303
1304	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1446	im_set_preedit_area (rect, status_rect, needed_rect);
1305		1447
1306	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1448	preedit_attr = XVaCreateNestedList (0,
		1449	XNForeground, fg,
1307	XNForeground, fg, XNBackground, bg,	1450	XNBackground, bg,
		1451	XNArea, &rect,
		1452	XNFontSet, fs,
		1453	NULL);
		1454	status_attr = XVaCreateNestedList (0,
		1455	XNForeground, fg,
		1456	XNBackground, bg,
		1457	XNArea, &status_rect,
1308	//XNFontSet, TermWin.fontset,	1458	XNFontSet, fs,
1309	NULL);	1459	NULL);
1310	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,	1460	}
1311	XNForeground, fg, XNBackground, bg,	1461	#if ENABLE_XIM_ONTHESPOT
1312	//XNFontSet, TermWin.fontset,	1462	else if (input_style & XIMPreeditCallbacks)
		1463	{
		1464	XIMCallback xcb[4];
		1465
		1466	im_set_position (spot);
		1467
		1468	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1469	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1470	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1471	# if 0
		1472	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1473	# endif
		1474
		1475	preedit_attr = XVaCreateNestedList (0,
		1476	XNSpotLocation, &spot,
		1477	XNPreeditStartCallback, &xcb[0],
		1478	XNPreeditDoneCallback , &xcb[1],
		1479	XNPreeditDrawCallback , &xcb[2],
		1480	# if 0
		1481	XNPreeditCaretCallback, &xcb[3],
		1482	# endif
1313	NULL);	1483	NULL);
1314	}	1484	}
		1485	#endif
1315		1486
1316	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1487	Input_Context = XCreateIC (xim,
		1488	XNInputStyle, input_style,
1317	XNClientWindow, TermWin.parent[0],	1489	XNClientWindow, vt,
1318	XNFocusWindow, TermWin.parent[0],	1490	XNFocusWindow, parent,
1319	preedit_attr ? XNPreeditAttributes : NULL,	1491	preedit_attr ? XNPreeditAttributes : NULL,
1320	preedit_attr,	1492	preedit_attr,
1321	status_attr ? XNStatusAttributes : NULL,	1493	status_attr ? XNStatusAttributes : NULL,
1322	status_attr, NULL);	1494	status_attr, NULL);
		1495
1323	if (preedit_attr) XFree (preedit_attr);	1496	if (preedit_attr) XFree (preedit_attr);
1324	if (status_attr) XFree (status_attr);	1497	if (status_attr) XFree (status_attr);
		1498	if (fs) XFreeFontSet (dpy, fs);
1325		1499
1326	if (Input_Context == NULL)	1500	if (Input_Context == NULL)
1327	{	1501	{
1328	rxvt_print_error ("failed to create input context");	1502	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1329	display->put_xim (input_method);	1503	im_destroy ();
1330	return false;	1504	return false;
1331	}	1505	}
1332		1506
1333	if (input_style & XIMPreeditArea)	1507	#if 0
1334	IMSetStatusPosition ();	1508	// unfortunately, only the focus window is used by XIM, hard to fix
		1509	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1510	vt_select_input ();
		1511	#endif
1335		1512
1336	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));	1513	im_set_position ();
		1514
1337	return true;	1515	return true;
1338	}	1516	}
1339		1517
1340	void	1518	void
1341	rxvt_term::im_cb ()	1519	rxvt_term::im_cb ()
1342	{	1520	{
1343	int i, found, had_im;	1521	int i;
1344	const char *p;	1522	const char *p;
1345	char **s;	1523	char **s;
1346	char buf[IMBUFSIZ];	1524	char buf[IMBUFSIZ];
1347		1525
		1526	make_current ();
		1527
1348	im_destroy ();	1528	im_destroy ();
1349		1529
1350	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1351	if (Input_Context)	1530	if (Input_Context)
1352	return;	1531	return;
1353		1532
1354	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1533	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1355	if (rs[Rs_imLocale])	1534	if (rs[Rs_imLocale])
…		…
1359	p = rs[Rs_inputMethod];	1538	p = rs[Rs_inputMethod];
1360	if (p && *p)	1539	if (p && *p)
1361	{	1540	{
1362	bool found = false;	1541	bool found = false;
1363		1542
1364	s = rxvt_splitcommastring (p);	1543	s = rxvt_strsplit (',', p);
		1544
1365	for (i = 0; s[i]; i++)	1545	for (i = 0; s[i]; i++)
1366	{	1546	{
1367	if (*s[i])	1547	if (*s[i])
1368	{	1548	{
1369	STRCPY (buf, "@im=");	1549	strcpy (buf, "@im=");
1370	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1550	strncat (buf, s[i], IMBUFSIZ - 5);
1371	if (IM_get_IC (buf))	1551	if (im_get_ic (buf))
1372	{	1552	{
1373	found = true;	1553	found = true;
1374	break;	1554	break;
1375	}	1555	}
1376	}	1556	}
1377	}	1557	}
1378	for (i = 0; s[i]; i++)	1558
1379	free (s[i]);	1559	rxvt_free_strsplit (s);
1380	free (s);
1381		1560
1382	if (found)	1561	if (found)
1383	goto done;	1562	goto done;
1384	}	1563	}
1385		1564
1386	/* try with XMODIFIERS env. var. */	1565	/* try with XMODIFIERS env. var. */
1387	if (IM_get_IC (""))	1566	if (im_get_ic (""))
1388	goto done;	1567	goto done;
1389		1568
1390	/* try with no modifiers base IF the user didn't specify an IM */	1569	/* try with no modifiers base IF the user didn't specify an IM */
1391	if (IM_get_IC ("@im=none"))	1570	if (im_get_ic ("@im=none"))
1392	goto done;	1571	goto done;
1393		1572
1394	done:	1573	done:
1395	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1574	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1396	if (rs[Rs_imLocale])	1575	if (rs[Rs_imLocale])
1397	SET_LOCALE (locale);	1576	SET_LOCALE (locale);
1398	#endif	1577	#endif
1399	}	1578	}
1400		1579
1401	void	1580	void
1402	rxvt_term::IMSetStatusPosition ()	1581	rxvt_term::im_set_position ()
1403	{	1582	{
1404	XRectangle preedit_rect, status_rect, *needed_rect;	1583	XRectangle preedit_rect, status_rect, *needed_rect;
1405	XVaNestedList preedit_attr, status_attr;	1584	XVaNestedList preedit_attr, status_attr;
1406		1585
1407	if (Input_Context == NULL	1586	if (!Input_Context
1408	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1587	|| !focus
		1588	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1409	|| !IMisRunning ())	1589	|| !im_is_running ())
1410	return;	1590	return;
1411		1591
		1592	if (input_style & XIMPreeditPosition)
		1593	{
		1594	im_set_size (preedit_rect);
		1595	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1596
		1597	XSetICValues (Input_Context,
		1598	XNPreeditAttributes, preedit_attr, NULL);
		1599	}
		1600	else
		1601	{
1412	/* Getting the necessary width of preedit area */	1602	/* Getting the necessary width of preedit area */
1413	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1603	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1414	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1604	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1415	XFree (status_attr);	1605	XFree (status_attr);
1416		1606
1417	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1607	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1608	XFree (needed_rect);
1418		1609
1419	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1610	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1420	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1611	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1421		1612
1422	XSetICValues (Input_Context,	1613	XSetICValues (Input_Context,
1423	XNPreeditAttributes, preedit_attr,	1614	XNPreeditAttributes, preedit_attr,
1424	XNStatusAttributes, status_attr, NULL);	1615	XNStatusAttributes, status_attr,
		1616	NULL);
1425		1617
		1618	XFree (status_attr);
		1619	}
		1620
1426	XFree (preedit_attr);	1621	XFree (preedit_attr);
1427	XFree (status_attr);
1428	}	1622	}
1429	#endif /* USE_XIM */	1623	#endif /* USE_XIM */
1430		1624
1431	/*----------------------------------------------------------------------*/	1625	void
1432	rxvt_t rxvt_current_term;	1626	rxvt_term::get_window_origin (int &x, int &y)
		1627	{
		1628	Window cr;
		1629	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1630	}
		1631
		1632	Pixmap
		1633	rxvt_term::get_pixmap_property (Atom property)
		1634	{
		1635	Pixmap pixmap = None;
		1636
		1637	int aformat;
		1638	unsigned long nitems, bytes_after;
		1639	Atom atype;
		1640	unsigned char *prop;
		1641	int result = XGetWindowProperty (dpy, display->root, property,
		1642	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1643	&nitems, &bytes_after, &prop);
		1644	if (result == Success)
		1645	{
		1646	if (atype == XA_PIXMAP)
		1647	pixmap = *(Pixmap *)prop;
		1648	XFree (prop);
		1649	}
		1650
		1651	return pixmap;
		1652	}
		1653
		1654	#ifdef HAVE_BG_PIXMAP
		1655
		1656	void
		1657	rxvt_term::update_background ()
		1658	{
		1659	if (update_background_ev.is_active ())
		1660	return;
		1661
		1662	bg_invalidate ();
		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 */
1433		1683
1434	/*----------------------- end-of-file (C source) -----------------------*/	1684	/*----------------------- end-of-file (C source) -----------------------*/

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