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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.28 by pcg, Mon Feb 9 22:45:29 2004 UTC vs.
Revision 1.380 by root, Tue Jun 5 11:35:58 2012 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
7	* - original version	7	* - original version
…		…
11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
12	* - extensive modifications	12	* - extensive modifications
13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2010 Marc Lehmann <schmorp@schmorp.de>
16	*	17	*
17	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
18	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
19	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
20	* (at your option) any later version.	21	* (at your option) any later version.
…		…
29	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
31		32
32	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
33	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
34	#include "main.intpro" /* PROTOS for internal routines */	35	#include "init.h"
		36	#include "keyboard.h"
		37	#include "rxvtperl.h"
35		38
		39	#include <limits>
		40
		41	#include <assert.h>
36	#include <signal.h>	42	#include <signal.h>
37
38	#ifdef TTY_GID_SUPPORT
39	# include <grp.h>	43	#include <string.h>
40	#endif
41		44
42	#ifdef HAVE_TERMIOS_H
43	# include <termios.h>	45	#include <termios.h>
44	#endif
45		46
46	#include <cstring>	47	#ifdef HAVE_XSETLOCALE
		48	# define X_LOCALE
		49	# include <X11/Xlocale.h>
		50	#else
		51	# include <locale.h>
		52	#endif
47		53
		54	struct termios rxvt_term::def_tio;
		55	vector<rxvt_term *> rxvt_term::termlist;
		56
		57	// used to tell global functions which terminal instance is "active"
		58	rxvt_t rxvt_current_term;
		59
48	static char curlocale[128];	60	static char curlocale[128], savelocale[128];
49		61
50	void	62	bool
51	rxvt_set_locale (const char *locale)	63	rxvt_set_locale (const char *locale) NOTHROW
52	{	64	{
53	if (locale && STRNCMP (locale, curlocale, 128))	65	int size = strlen (locale) + 1;
54	{	66
55	STRNCPY (curlocale, locale, 128);	67	if (size > sizeof (curlocale))
		68	rxvt_fatal ("locale string too long, aborting.\n");
		69
		70	if (!locale || !memcmp (locale, curlocale, size))
		71	return false;
		72
		73	memcpy (curlocale, locale, size);
56	setlocale (LC_CTYPE, curlocale);	74	setlocale (LC_CTYPE, curlocale);
57	}	75	return true;
58	}	76	}
59		77
60	void *	78	void
61	rxvt_term::operator new (size_t s)	79	rxvt_push_locale (const char *locale) NOTHROW
62	{	80	{
63	void *p = malloc (s);	81	strcpy (savelocale, curlocale);
		82	rxvt_set_locale (locale);
		83	}
64		84
65	MEMSET (p, 0, s);	85	void
		86	rxvt_pop_locale () NOTHROW
		87	{
		88	rxvt_set_locale (savelocale);
		89	}
		90
		91	#if ENABLE_COMBINING
		92	class rxvt_composite_vec rxvt_composite;
		93
		94	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		95	{
		96	compose_char *cc;
		97
		98	// break compose chains, as stupid readline really likes to duplicate
		99	// composing characters for some reason, near the end of a line.
		100	cc = (*this)[c1];
		101	while (cc)
		102	{
		103	if (cc->c2 == c2) return c1;
		104	cc = (*this)[cc->c1];
		105	}
		106
		107	// check to see whether this combination already exists otherwise
		108	for (cc = v.begin (); cc < v.end (); cc++)
		109	if (cc->c1 == c1 && cc->c2 == c2)
		110	return COMPOSE_LO + (cc - v.begin ());
		111
		112	// allocate a new combination
		113	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		114	{
		115	static int seen;
		116
		117	if (!seen++)
		118	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
		119
		120	return REPLACEMENT_CHAR;
		121	}
		122
		123	v.push_back (compose_char (c1, c2));
		124
		125	return v.size () - 1 + COMPOSE_LO;
		126	}
		127
		128	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		129	{
		130	compose_char *cc = (*this)[c];
		131
		132	if (!cc)
		133	{
		134	if (r) *r = c;
		135	return 1;
		136	}
		137
		138	int len = expand (cc->c1, r);
		139
		140	if (r) r += len;
		141
		142	if (cc->c2 != NOCHAR)
		143	{
		144	len++;
		145	if (r) *r++ = cc->c2;
		146	}
		147
66	return p;	148	return len;
67	}
68		149
69	void
70	rxvt_term::operator delete (void *p, size_t s)
71	{
72	free (p);
73	}	150	}
		151	#endif
74		152
75	rxvt_term::rxvt_term ()	153	rxvt_term::rxvt_term ()
76	:	154	{
77	rootwin_ev (this, &rxvt_term::rootwin_cb),	155	#if HAVE_BG_PIXMAP
78	termwin_ev (this, &rxvt_term::x_cb),	156	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
79	vt_ev (this, &rxvt_term::x_cb),
80	#ifdef HAVE_SCROLLBARS
81	scrollbar_ev (this, &rxvt_term::x_cb),
82	#endif
83	#ifdef MENUBAR
84	menubar_ev (this, &rxvt_term::x_cb), fixme
85	#endif	157	#endif
86	#ifdef CURSOR_BLINK	158	#ifdef CURSOR_BLINK
87	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),	159	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
88	#endif	160	#endif
89	#ifdef TEXT_BLINK	161	#ifdef TEXT_BLINK
90	text_blink_ev (this, &rxvt_term::text_blink_cb),	162	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		163	#endif
		164	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		165	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		166	#endif
		167	#ifdef SELECTION_SCROLLING
		168	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		169	#endif
		170	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		171	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		172	#endif
		173	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		174	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		175	#endif
		176	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		177	#if USE_XIM
		178	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
91	#endif	179	#endif
92	#ifdef POINTER_BLANK	180	#ifdef POINTER_BLANK
93	pointer_ev (this, &rxvt_term::pointer_cb),	181	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
94	#endif	182	#endif
95	check_ev (this, &rxvt_term::check_cb),	183	#ifndef NO_BELL
96	destroy_ev (this, &rxvt_term::destroy_cb),	184	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
97	pty_ev (this, &rxvt_term::pty_cb),	185	#endif
98	incr_ev (this, &rxvt_term::incr_cb)	186	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
99	{	187	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		188	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		189	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		190	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		191	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		192
100	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	193	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		194
		195	termlist.push_back (this);
		196
		197	#ifdef KEYSYM_RESOURCE
		198	keyboard = new keyboard_manager;
		199	#endif
		200	}
		201
		202	// clean up the most important stuff, do *not* call x or free mem etc.
		203	// for use before an emergency exit
		204	void
		205	rxvt_term::emergency_cleanup ()
		206	{
		207	if (cmd_pid)
		208	kill (-cmd_pid, SIGHUP);
		209
		210	pty_ev.stop ();
		211	delete pty; pty = 0;
101	}	212	}
102		213
103	rxvt_term::~rxvt_term ()	214	rxvt_term::~rxvt_term ()
104	{	215	{
		216	termlist.erase (find (termlist.begin (), termlist.end(), this));
		217
		218	emergency_cleanup ();
		219
		220	#if ENABLE_STYLES
		221	for (int i = RS_styleCount; --i; )
		222	if (fontset[i] != fontset[0])
		223	delete fontset[i];
		224	#endif
		225	delete fontset[0];
		226
		227	#ifdef HAVE_BG_PIXMAP
		228	bg_destroy ();
		229	#endif
		230
		231	if (display)
		232	{
		233	selection_clear ();
		234	selection_clear (true);
		235
		236	#if USE_XIM
		237	im_destroy ();
		238	#endif
		239	scrollBar.destroy ();
		240	if (gc) XFreeGC (dpy, gc);
		241
		242	delete drawable;
		243	// destroy all windows
		244	if (parent)
		245	XDestroyWindow (dpy, parent);
		246
		247	for (int i = 0; i < TOTAL_COLORS; i++)
		248	if (ISSET_PIXCOLOR (i))
		249	{
		250	pix_colors_focused [i].free (this);
		251	#if OFF_FOCUS_FADING
		252	pix_colors_unfocused [i].free (this);
		253	#endif
		254	}
		255
		256	clear ();
		257
		258	display->flush (); /* ideally .put should do this */
		259	displays.put (display);
		260	}
		261
105	scr_release ();	262	scr_release ();
106		263
		264	/* clear all resources */
		265	for (int i = 0; i < allocated.size (); i++)
		266	free (allocated [i]);
		267
		268	free (selection.text);
		269	free (selection.clip_text);
107	free (locale);	270	free (locale);
108	free (codeset);	271	free (v_buffer);
109		272
110	#ifndef NO_SETOWNER_TTYDEV	273	delete selection_req;
111	privileged_ttydev (RESTORE);
112	#endif
113	#ifdef UTMP_SUPPORT
114	privileged_utmp (RESTORE);
115	#endif
116	#ifdef USE_XIM
117	if (Input_Context)
118	{
119	XDestroyIC (Input_Context);
120	Input_Context = NULL;
121	}
122	#endif
123		274
124	if (TermWin.parent[0])	275	delete envv;
125	XDestroyWindow (display->display, TermWin.parent[0]);	276	delete argv;
126		277
127	// TODO: free pixcolours, colours should become part of rxvt_display	278	#ifdef KEYSYM_RESOURCE
		279	delete keyboard;
		280	#endif
		281	#ifndef NO_RESOURCES
		282	XrmDestroyDatabase (option_db);
		283	#endif
		284	}
128		285
129	delete PixColors;	286	// child has exited, usually destroys
		287	void
		288	rxvt_term::child_cb (ev::child &w, int status)
		289	{
		290	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
130		291
131	if (cmd_fd >= 0)	292	cmd_pid = 0;
132	close (cmd_fd);	293
		294	if (!option (Opt_hold))
		295	destroy ();
		296	}
		297
		298	void
		299	rxvt_term::destroy ()
		300	{
		301	if (destroy_ev.is_active ())
		302	return;
		303
		304	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		305
		306	#if ENABLE_OVERLAY
		307	scr_overlay_off ();
		308	#endif
133		309
134	if (display)	310	if (display)
135	displays.release (display);
136	}
137
138	void
139	rxvt_term::destroy ()
140	{
141	if (display)
142	{	311	{
		312	#if USE_XIM
		313	im_ev.stop (display);
		314	#endif
		315	scrollbar_ev.stop (display);
		316	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		317	rootwin_ev.stop (display);
		318	#endif
143	termwin_ev.stop (display);	319	termwin_ev.stop (display);
144	vt_ev.stop (display);	320	vt_ev.stop (display);
145	#ifdef HAVE_SCROLLBARS
146	scrollbar_ev.stop (display);
147	#endif
148	#ifdef MENUBAR
149	menubar_ev.stop (display);
150	#endif
151	}	321	}
152		322
153	check_ev.stop ();	323	flush_ev.stop ();
154	pty_ev.stop ();	324	pty_ev.stop ();
155	#ifdef CURSOR_BLINK	325	#ifdef CURSOR_BLINK
156	cursor_blink_ev.stop ();	326	cursor_blink_ev.stop ();
157	#endif	327	#endif
158	#ifdef TEXT_BLINK	328	#ifdef TEXT_BLINK
159	text_blink_ev.stop ();	329	text_blink_ev.stop ();
160	#endif	330	#endif
		331	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		332	cont_scroll_ev.stop ();
		333	#endif
		334	#ifdef SELECTION_SCROLLING
		335	sel_scroll_ev.stop ();
		336	#endif
161	#ifdef POINTER_BLANK	337	#ifdef POINTER_BLANK
162	pointer_ev.stop ();	338	pointer_ev.stop ();
163	#endif	339	#endif
164		340
165	destroy_ev.start (0);	341	destroy_ev.start ();
166	}	342	}
167		343
168	void	344	void
169	rxvt_term::destroy_cb (time_watcher &w)	345	rxvt_term::destroy_cb (ev::idle &w, int revents)
170	{	346	{
171	SET_R (this);	347	make_current ();
172		348
173	delete this;	349	delete this;
174	}	350	}
175		351
		352	void
		353	rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
		354	{
		355	if (!opt)
		356	return;
		357
		358	uint8_t mask = 1 << (opt & 7);
		359	uint8_t &val = options [opt >> 3];
		360
		361	val = val & ~mask | (set ? mask : 0);
		362	}
		363
176	/*----------------------------------------------------------------------*/	364	/*----------------------------------------------------------------------*/
177	/* rxvt_init() */
178	/* LIBPROTO */
179	rxvt_t
180	rxvt_init (int argc, const char *const *argv)
181	{
182	SET_R (new rxvt_term);
183
184	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
185	{
186	delete GET_R;
187	SET_R (0);
188	}
189
190	return GET_R;
191	}
192
193	static int (*old_xerror_handler)(Display *dpy, XErrorEvent *event);
194
195	void
196	rxvt_init_signals ()
197	{
198	/* install exit handler for cleanup */
199	#if 0
200	#ifdef HAVE_ATEXIT
201	atexit(rxvt_clean_exit);
202	#else
203	#endif
204	#endif
205
206	struct sigaction sa;
207
208	sigfillset (&sa.sa_mask);
209	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
210	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
211	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
212	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
213	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
214	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
215	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
216
217	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
218	/* signal (SIGURG, SIG_DFL); */
219
220	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
221	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
222	}
223
224	bool
225	rxvt_term::init (int argc, const char *const *argv)
226	{
227	/*
228	* Save and then give up any super-user privileges
229	* If we need privileges in any area then we must specifically request it.
230	* We should only need to be root in these cases:
231	* 1. write utmp entries on some systems
232	* 2. chown tty on some systems
233	*/
234	privileges (SAVE);
235	privileges (IGNORE);
236
237	init_secondary ();
238
239	const char **cmd_argv = init_resources (argc, argv);
240
241	set_locale ("");
242
243	#if (MENUBAR_MAX)
244	menubar_read (rs[Rs_menu]);
245	#endif
246	#ifdef HAVE_SCROLLBARS
247	if (Options & Opt_scrollBar)
248	scrollBar.setIdle (); /* set existence for size calculations */
249	#endif
250
251	create_windows (argc, argv);
252
253	init_xlocale ();
254
255	scr_reset (); /* initialize screen */
256	#ifdef RXVT_GRAPHICS
257	Gr_reset (); /* reset graphics */
258	#endif
259
260	#if 0
261	#ifdef DEBUG_X
262	XSynchronize(display->display, True);
263	#endif
264	#endif
265
266	#ifdef HAVE_SCROLLBARS
267	if (Options & Opt_scrollBar)
268	resize_scrollbar (); /* create and map scrollbar */
269	#endif
270	#if (MENUBAR_MAX)
271	if (menubar_visible(r))
272	XMapWindow (display->display, menuBar.win);
273	#endif
274	#ifdef TRANSPARENT
275	if (Options & Opt_transparent)
276	{
277	XSelectInput (display->display, display->root, PropertyChangeMask);
278	check_our_parents ();
279	}
280	#endif
281
282	rootwin_ev.start (display, display->root);
283
284	XMapWindow (display->display, TermWin.vt);
285	XMapWindow (display->display, TermWin.parent[0]);
286
287	init_env ();
288	init_command (cmd_argv);
289
290	pty_ev.start (cmd_fd, EVENT_READ);
291
292	check_ev.start ();
293
294	return true;
295	}
296
297	/* ------------------------------------------------------------------------- *
298	* SIGNAL HANDLING & EXIT HANDLER *
299	* ------------------------------------------------------------------------- */
300	/*	365	/*
301	* Catch a SIGCHLD signal and exit if the direct child has died	366	* Exit gracefully, clearing the utmp entry and restoring tty attributes
302	*/	367	*/
303	/* ARGSUSED */	368	static XErrorHandler old_xerror_handler;
304	/* EXTPROTO */	369
305	RETSIGTYPE	370	static void
306	rxvt_Child_signal(int sig __attribute__ ((unused)))	371	rxvt_emergency_cleanup ()
307	{	372	{
308	int pid, save_errno = errno;	373	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
309	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)	374	(*t)->emergency_cleanup ();
		375	}
		376
		377	#if !ENABLE_MINIMAL
		378	static void ecb_cold
		379	print_x_error (Display *dpy, XErrorEvent *event)
		380	{
		381	char buffer[BUFSIZ];
		382	char mesg[BUFSIZ];
		383	char number[32];
		384
		385	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
		386
		387	XGetErrorDatabaseText (dpy, "XlibMessage", "ErrorSerial", "Error Serial #%d", mesg, BUFSIZ);
		388	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->serial);
		389
		390	XGetErrorText (dpy, event->error_code, buffer, BUFSIZ);
		391	XGetErrorDatabaseText (dpy, "XlibMessage", "XError", "X Error", mesg, BUFSIZ);
		392	rxvt_warn ("+ %s: %s\n", mesg, buffer);
		393
		394	XGetErrorDatabaseText (dpy, "XlibMessage", "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		395	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->request_code);
		396
		397	sprintf (number, "%d", event->request_code);
		398	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		399	rxvt_warn ("+ (which is %s)\n", buffer);
		400
		401	if (event->request_code >= 128)
		402	{
		403	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		404	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->minor_code);
		405	}
		406
		407	if (event->error_code == BadWindow
		408	|| event->error_code == BadPixmap
		409	|| event->error_code == BadCursor
		410	|| event->error_code == BadFont
		411	|| event->error_code == BadDrawable
		412	|| event->error_code == BadColor
		413	|| event->error_code == BadGC
		414	|| event->error_code == BadIDChoice
		415	|| event->error_code == BadValue
		416	|| event->error_code == BadAtom)
		417	{
		418	if (event->error_code == BadValue)
		419	XGetErrorDatabaseText (dpy, "XlibMessage", "Value", "Value 0x%x", mesg, BUFSIZ);
		420	else if (event->error_code == BadAtom)
		421	XGetErrorDatabaseText (dpy, "XlibMessage", "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
		422	else
		423	XGetErrorDatabaseText (dpy, "XlibMessage", "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
		424
		425	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->resourceid);
310	;	426	}
311	errno = save_errno;
312
313	#if 0
314	if (pid == cmd_pid)
315	exit (EXIT_SUCCESS);
316	#endif
317	}	427	}
318
319	/*
320	* Catch a fatal signal and tidy up before quitting
321	*/
322	/* EXTPROTO */
323	RETSIGTYPE
324	rxvt_Exit_signal(int sig)
325	{
326	signal(sig, SIG_DFL);
327	#ifdef DEBUG_CMD
328	rxvt_print_error("signal %d", sig);
329	#endif	428	#endif
330	rxvt_clean_exit();
331	kill(getpid(), sig);
332	}
333		429
334	/* INTPROTO */	430	int ecb_cold
335	int
336	rxvt_xerror_handler (Display *display, XErrorEvent *event)	431	rxvt_xerror_handler (Display *display, XErrorEvent *event)
337	{	432	{
338	if (GET_R->allowedxerror == -1)	433	if (GET_R->allowedxerror == -1)
339	GET_R->allowedxerror = event->error_code;	434	GET_R->allowedxerror = event->error_code;
340	else	435	else
341	{	436	{
		437	// GET_R is most likely not the terminal which caused the error,
		438	// so just output the error and continue
		439	#if ENABLE_MINIMAL
342	old_xerror_handler (display, event);	440	old_xerror_handler (display, event);
343	GET_R->destroy ();	441	#else
		442	print_x_error (display, event);
		443	#endif
344	}	444	}
345		445
346	return 0;	446	return 0;
		447	}
		448
		449	int ecb_cold
		450	rxvt_xioerror_handler (Display *display)
		451	{
		452	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		453	DisplayString (display));
		454	rxvt_emergency_cleanup ();
		455	_exit (EXIT_FAILURE);
		456	}
		457
		458	static struct sig_handlers
		459	{
		460	ev::sig sw_term, sw_int;
		461
		462	/*
		463	* Catch a fatal signal and tidy up before quitting
		464	*/
		465	void sig_term (ev::sig &w, int revents);
		466
		467	sig_handlers ()
		468	{
		469	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		470	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
		471	}
		472	} sig_handlers;
		473
		474	void
		475	sig_handlers::sig_term (ev::sig &w, int revents)
		476	{
		477	rxvt_emergency_cleanup ();
		478	w.stop ();
		479	kill (getpid (), w.signum);
		480	}
		481
		482	static void
		483	rxvt_get_ttymode (struct termios *tio)
		484	{
		485	if (tcgetattr (STDIN_FILENO, tio) < 0)
		486	memset (tio, 0, sizeof (struct termios));
		487
		488	for (int i = 0; i < NCCS; i++)
		489	tio->c_cc[i] = VDISABLE;
		490
		491	tio->c_cc[VINTR] = CINTR;
		492	tio->c_cc[VQUIT] = CQUIT;
		493	tio->c_cc[VERASE] = CERASE;
		494	#ifdef VERASE2
		495	tio->c_cc[VERASE2] = CERASE2;
		496	#endif
		497	tio->c_cc[VKILL] = CKILL;
		498	tio->c_cc[VEOF] = CEOF;
		499	tio->c_cc[VSTART] = CSTART;
		500	tio->c_cc[VSTOP] = CSTOP;
		501	tio->c_cc[VSUSP] = CSUSP;
		502	# ifdef VDSUSP
		503	tio->c_cc[VDSUSP] = CDSUSP;
		504	# endif
		505	# ifdef VREPRINT
		506	tio->c_cc[VREPRINT] = CRPRNT;
		507	# endif
		508	# ifdef VDISCRD
		509	tio->c_cc[VDISCRD] = CFLUSH;
		510	# endif
		511	# ifdef VWERSE
		512	tio->c_cc[VWERSE] = CWERASE;
		513	# endif
		514	# ifdef VLNEXT
		515	tio->c_cc[VLNEXT] = CLNEXT;
		516	# endif
		517	# ifdef VSTATUS
		518	tio->c_cc[VSTATUS] = CSTATUS;
		519	# endif
		520
		521	# if VMIN != VEOF
		522	tio->c_cc[VMIN] = 1;
		523	# endif
		524	# if VTIME != VEOL
		525	tio->c_cc[VTIME] = 0;
		526	# endif
		527
		528	/* input modes */
		529	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		530	# ifdef IMAXBEL
		531	| IMAXBEL
		532	# endif
		533	| IXON);
		534
		535	/* output modes */
		536	tio->c_oflag = (OPOST | ONLCR);
		537
		538	/* control modes */
		539	tio->c_cflag = (CS8 | CREAD);
		540
		541	/* local modes */
		542	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		543	# if defined (ECHOCTL) && defined (ECHOKE)
		544	| ECHOCTL | ECHOKE
		545	# endif
		546	| ECHOE | ECHOK);
		547	}
		548
		549	char **rxvt_environ; // startup environment
		550
		551	void
		552	rxvt_init ()
		553	{
		554	assert (("fontMask must not overlap other RS masks",
		555	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		556
		557	rxvt_get_ttymode (&rxvt_term::def_tio);
		558
		559	// get rid of stdin/stdout as we don't need them, to free resources
		560	dup2 (STDERR_FILENO, STDIN_FILENO);
		561	dup2 (STDERR_FILENO, STDOUT_FILENO);
		562
		563	if (!ev_default_loop ())
		564	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		565
		566	rxvt_environ = environ;
		567
		568	signal (SIGHUP, SIG_IGN);
		569	signal (SIGPIPE, SIG_IGN);
		570
		571	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		572	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		573
		574	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		575	// TODO: handle this with exceptions and tolerate the memory loss
		576	XSetIOErrorHandler (rxvt_xioerror_handler);
		577
		578	XrmInitialize ();
		579
		580	#if HAVE_PIXBUF
		581	g_type_init ();
		582	#endif
347	}	583	}
348		584
349	/*----------------------------------------------------------------------*/	585	/*----------------------------------------------------------------------*/
350	/*	586	/*
351	* Exit gracefully, clearing the utmp entry and restoring tty attributes
352	* TODO: if debugging, this should free up any known resources if we can
353	*/
354	/* EXTPROTO */
355	void
356	rxvt_clean_exit ()
357	{
358	GET_R->destroy ();
359	}
360
361	/* ------------------------------------------------------------------------- *
362	* MEMORY ALLOCATION WRAPPERS *
363	* ------------------------------------------------------------------------- */
364	/* EXTPROTO */
365	void *
366	rxvt_malloc(size_t size)
367	{
368	void *p;
369
370	p = malloc(size);
371	if (p)
372	return p;
373
374	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
375	rxvt_clean_exit();
376	exit(EXIT_FAILURE);
377	/* NOTREACHED */
378	}
379
380	/* EXTPROTO */
381	void *
382	rxvt_calloc(size_t number, size_t size)
383	{
384	void *p;
385
386	p = calloc(number, 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	}
395
396	/* EXTPROTO */
397	void *
398	rxvt_realloc(void *ptr, size_t size)
399	{
400	void *p;
401
402	if (ptr)
403	p = realloc(ptr, size);
404	else
405	p = malloc(size);
406	if (p)
407	return p;
408
409	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
410	rxvt_clean_exit();
411	exit(EXIT_FAILURE);
412	/* NOTREACHED */
413	}
414
415	/* ------------------------------------------------------------------------- *
416	* PRIVILEGED OPERATIONS *
417	* ------------------------------------------------------------------------- */
418	/* take care of suid/sgid super-user (root) privileges */
419	void
420	rxvt_term::privileges (int mode)
421	{
422	#if ! defined(__CYGWIN32__)
423	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
424	/* setreuid() is the poor man's setuid(), seteuid() */
425	# define seteuid(a) setreuid(-1, (a))
426	# define setegid(a) setregid(-1, (a))
427	# define HAVE_SETEUID
428	# endif
429	# ifdef HAVE_SETEUID
430	switch (mode)
431	{
432	case IGNORE:
433	/*
434	* change effective uid/gid - not real uid/gid - so we can switch
435	* back to root later, as required
436	*/
437	seteuid(getuid());
438	setegid(getgid());
439	break;
440	case SAVE:
441	euid = geteuid();
442	egid = getegid();
443	break;
444	case RESTORE:
445	seteuid(euid);
446	setegid(egid);
447	break;
448	}
449	# else
450	switch (mode)
451	{
452	case IGNORE:
453	setuid(getuid());
454	setgid(getgid());
455	/* FALLTHROUGH */
456	case SAVE:
457	/* FALLTHROUGH */
458	case RESTORE:
459	break;
460	}
461	# endif
462	#endif
463	}
464
465	#ifdef UTMP_SUPPORT
466	void
467	rxvt_term::privileged_utmp (char action)
468	{
469	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
470	action, next_utmp_action, getpid()));
471	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
472	|| (Options & Opt_utmpInhibit)
473	|| ttydev == NULL || *ttydev == '\0')
474	return;
475
476	privileges (RESTORE);
477	if (action == SAVE)
478	{
479	next_utmp_action = RESTORE;
480	makeutent (ttydev, rs[Rs_display_name]);
481	}
482	else
483	{ /* action == RESTORE */
484	next_utmp_action = IGNORE;
485	cleanutent ();
486	}
487	privileges (IGNORE);
488	}
489	#endif
490
491	#ifndef NO_SETOWNER_TTYDEV
492	void
493	rxvt_term::privileged_ttydev (char action)
494	{
495	D_MAIN((stderr,
496	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
497	action, next_tty_action, getpid()));
498	if (next_tty_action != action || (action != SAVE && action != RESTORE)
499	|| ttydev == NULL || *ttydev == '\0')
500	return;
501
502	privileges (RESTORE);
503
504	if (action == SAVE)
505	{
506	next_tty_action = RESTORE;
507	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
508	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
509	if (lstat(ttydev, &ttyfd_stat) < 0) /* you lose out */
510	next_tty_action = IGNORE;
511	else
512	# endif
513
514	{
515	chown(ttydev, getuid(), ttygid); /* fail silently */
516	chmod(ttydev, ttymode);
517	# ifdef HAVE_REVOKE
518	revoke(ttydev);
519	# endif
520
521	}
522	}
523	else
524	{ /* action == RESTORE */
525	next_tty_action = IGNORE;
526	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
527	chmod(ttydev, ttyfd_stat.st_mode);
528	chown(ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
529	# else
530	chmod(ttydev,
531	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
532	chown(ttydev, 0, 0);
533	# endif
534
535	}
536
537	privileges (IGNORE);
538
539	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
540	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
541	action == RESTORE ? "Restoring" : (action ==
542	SAVE ? "Saving" :
543	"UNKNOWN ERROR for"), ttydev,
544	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
545	ttyfd_stat.st_gid));
546	# endif
547	}
548	#endif
549
550	/*----------------------------------------------------------------------*/
551	/*
552	* window size/position calculcations for XSizeHint and other storage.	587	* window size/position calculations for XSizeHint and other storage.
553	* if width/height are non-zero then override calculated width/height	588	* if width/height are non-zero then override calculated width/height
554	*/	589	*/
555	void	590	void
556	rxvt_term::window_calc (unsigned int width, unsigned int height)	591	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
557	{	592	{
558	short recalc_x, recalc_y;	593	short recalc_x, recalc_y;
559	int x, y, sb_w, mb_h, flags;	594	int x, y, flags;
560	unsigned int w, h;	595	unsigned int w, h;
561	unsigned int max_width, max_height;	596	unsigned int max_width, max_height;
562		597
563	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
564	TermWin.ncol, TermWin.nrow, szHint.width,
565	szHint.height));
566	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	598	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
567	szHint.win_gravity = NorthWestGravity;	599	szHint.win_gravity = NorthWestGravity;
568	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	600	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
569		601
570	recalc_x = recalc_y = 0;	602	recalc_x = recalc_y = 0;
571	flags = 0;	603	flags = 0;
		604
572	if (!parsed_geometry)	605	if (!parsed_geometry)
573	{	606	{
574	parsed_geometry = 1;	607	parsed_geometry = 1;
		608
575	if (rs[Rs_geometry])	609	if (rs[Rs_geometry])
576	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	610	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		611
577	if (flags & WidthValue)	612	if (flags & WidthValue)
578	{	613	{
579	TermWin.ncol = BOUND_POSITIVE_INT16(w);	614	if (!w)
		615	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		616
		617	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
580	szHint.flags |= USSize;	618	szHint.flags |= USSize;
581	}	619	}
		620
582	if (flags & HeightValue)	621	if (flags & HeightValue)
583	{	622	{
584	TermWin.nrow = BOUND_POSITIVE_INT16(h);	623	if (!h)
		624	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		625
		626	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
585	szHint.flags |= USSize;	627	szHint.flags |= USSize;
586	}	628	}
		629
587	if (flags & XValue)	630	if (flags & XValue)
588	{	631	{
589	szHint.x = x;	632	szHint.x = x;
590	szHint.flags |= USPosition;	633	szHint.flags |= USPosition;
		634
591	if (flags & XNegative)	635	if (flags & XNegative)
592	{	636	{
593	recalc_x = 1;	637	recalc_x = 1;
594	szHint.win_gravity = NorthEastGravity;	638	szHint.win_gravity = NorthEastGravity;
595	}	639	}
596	}	640	}
		641
597	if (flags & YValue)	642	if (flags & YValue)
598	{	643	{
599	szHint.y = y;	644	szHint.y = y;
600	szHint.flags |= USPosition;	645	szHint.flags |= USPosition;
		646
601	if (flags & YNegative)	647	if (flags & YNegative)
602	{	648	{
603	recalc_y = 1;	649	recalc_y = 1;
		650
604	if (szHint.win_gravity == NorthEastGravity)	651	if (szHint.win_gravity == NorthEastGravity)
605	szHint.win_gravity = SouthEastGravity;	652	szHint.win_gravity = SouthEastGravity;
606	else	653	else
607	szHint.win_gravity = SouthWestGravity;	654	szHint.win_gravity = SouthWestGravity;
608	}	655	}
609	}	656	}
610	}	657	}
		658
611	/* TODO: BOUNDS */	659	/* TODO: BOUNDS */
612	TermWin.width = TermWin.ncol * TermWin.fwidth;	660	width = ncol * fwidth;
613	TermWin.height = TermWin.nrow * TermWin.fheight;	661	height = nrow * fheight;
614	max_width = MAX_COLS * TermWin.fwidth;	662	max_width = MAX_COLS * fwidth;
615	max_height = MAX_ROWS * TermWin.fheight;	663	max_height = MAX_ROWS * fheight;
616		664
617	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	665	szHint.base_width = szHint.base_height = 2 * int_bwidth;
618		666
619	sb_w = mb_h = 0;
620	window_vt_x = window_vt_y = 0;	667	window_vt_x = window_vt_y = int_bwidth;
621	if (scrollbar_visible ())	668
		669	if (scrollBar.state)
622	{	670	{
623	sb_w = scrollbar_TotalWidth();	671	int sb_w = scrollBar.total_width ();
624	szHint.base_width += sb_w;	672	szHint.base_width += sb_w;
		673
625	if (!(Options & Opt_scrollBar_right))	674	if (!option (Opt_scrollBar_right))
626	window_vt_x = sb_w;	675	window_vt_x += sb_w;
627	}
628	if (menubar_visible ())
629	{	676	}
630	mb_h = menuBar_TotalHeight();	677
631	szHint.base_height += mb_h;
632	window_vt_y = mb_h;
633	}
634	szHint.width_inc = TermWin.fwidth;	678	szHint.width_inc = fwidth;
635	szHint.height_inc = TermWin.fheight;	679	szHint.height_inc = fheight;
636	szHint.min_width = szHint.base_width + szHint.width_inc;	680	szHint.min_width = szHint.base_width + szHint.width_inc;
637	szHint.min_height = szHint.base_height + szHint.height_inc;	681	szHint.min_height = szHint.base_height + szHint.height_inc;
638		682
639	if (width && width - szHint.base_width < max_width)	683	if (newwidth && newwidth - szHint.base_width < max_width)
640	{	684	{
641	szHint.width = width;	685	szHint.width = newwidth;
642	TermWin.width = width - szHint.base_width;	686	width = newwidth - szHint.base_width;
643	}	687	}
644	else	688	else
645	{	689	{
646	MIN_IT(TermWin.width, max_width);	690	min_it (width, max_width);
647	szHint.width = szHint.base_width + TermWin.width;	691	szHint.width = szHint.base_width + width;
648	}	692	}
		693
649	if (height && height - szHint.base_height < max_height)	694	if (newheight && newheight - szHint.base_height < max_height)
650	{	695	{
651	szHint.height = height;	696	szHint.height = newheight;
652	TermWin.height = height - szHint.base_height;	697	height = newheight - szHint.base_height;
653	}	698	}
654	else	699	else
655	{	700	{
656	MIN_IT(TermWin.height, max_height);	701	min_it (height, max_height);
657	szHint.height = szHint.base_height + TermWin.height;	702	szHint.height = szHint.base_height + height;
658	}	703	}
659	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
660	window_sb_x = szHint.width - sb_w;
661		704
662	if (recalc_x)	705	if (recalc_x)
663	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	706	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
664	- szHint.width - 2 * TermWin.ext_bwidth);	707
665	if (recalc_y)	708	if (recalc_y)
666	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	709	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
667	- szHint.height - 2 * TermWin.ext_bwidth);
668		710
669	TermWin.ncol = TermWin.width / TermWin.fwidth;	711	ncol = width / fwidth;
670	TermWin.nrow = TermWin.height / TermWin.fheight;	712	nrow = height / fheight;
671	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	713
672	TermWin.ncol, TermWin.nrow, szHint.width,	714	// When the size of the vt window is not a multiple of the cell
673	szHint.height));	715	// size, i.e., when the wm does not honour our size hints, there are
674	return;	716	// extra areas not covered by the terminal screen. Such gaps, when a
		717	// bg pixmap is set, would have to be cleared manually to properly
		718	// refresh the background. We take the simpler route and shrink the
		719	// vt window so as to avoid creating gaps.
		720	vt_width = ncol * fwidth;
		721	vt_height = nrow * fheight;
675	}	722	}
676		723
677	/*----------------------------------------------------------------------*/	724	/*----------------------------------------------------------------------*/
678	/*	725	/*
679	* Tell the teletype handler what size the window is.	726	* Tell the teletype handler what size the window is.
680	* Called after a window size change.	727	* Called after a window size change.
681	*/	728	*/
682	void	729	void
683	rxvt_term::tt_winch ()	730	rxvt_term::tt_winch ()
684	{	731	{
		732	if (pty->pty < 0)
		733	return;
		734
685	struct winsize ws;	735	struct winsize ws;
686		736
687	if (cmd_fd < 0)
688	return;
689
690	ws.ws_col = TermWin.ncol;	737	ws.ws_col = ncol;
691	ws.ws_row = TermWin.nrow;	738	ws.ws_row = nrow;
692	ws.ws_xpixel = ws.ws_ypixel = 0;	739	ws.ws_xpixel = vt_width;
693	#ifndef DEBUG_SIZE	740	ws.ws_ypixel = vt_height;
694	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	741	ioctl (pty->pty, TIOCSWINSZ, &ws);
		742
		743	#if 0
		744	// TIOCSWINSZ is supposed to do this automatically and correctly
		745	if (cmd_pid) /* force through to the command */
		746	kill (-cmd_pid, SIGWINCH);
		747	#endif
		748	}
		749
		750	/*----------------------------------------------------------------------*/
		751	/* load and set the various fonts */
		752	bool
		753	rxvt_term::set_fonts ()
		754	{
		755	rxvt_fontset *fs = new rxvt_fontset (this);
		756	rxvt_fontprop prop;
		757
		758	if (!fs
		759	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		760	|| !fs->realize_font (1))
		761	{
		762	delete fs;
		763	return false;
		764	}
		765
		766	#if ENABLE_STYLES
		767	for (int i = RS_styleCount; --i; )
		768	if (fontset[i] != fontset[0])
		769	delete fontset[i];
		770	#endif
		771
		772	delete fontset[0];
		773	fontset[0] = fs;
		774
		775	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		776	prop.width += letterSpace;
		777
		778	fs->set_prop (prop, false);
		779
		780	fwidth = prop.width;
		781	fheight = prop.height + lineSpace;
		782	fbase = prop.ascent;
		783
		784	for (int style = 1; style < 4; style++)
		785	{
		786	#if ENABLE_STYLES
		787	const char *res = rs[Rs_font + style];
		788
		789	if (res && !*res)
		790	fontset[style] = fontset[0];
		791	else
		792	{
		793	fontset[style] = fs = new rxvt_fontset (this);
		794	rxvt_fontprop prop2 = prop;
		795
		796	if (res)
		797	{
		798	fs->populate (res);
		799	fs->set_prop (prop2, false);
		800	}
		801	else
		802	{
		803	fs->populate (fontset[0]->fontdesc);
		804
		805	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		806	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		807
		808	fs->set_prop (prop2, true);
		809	}
		810
		811	}
695	#else	812	#else
696	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	813	fontset[style] = fontset[0];
697	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
698	# ifdef SIGWINCH
699	else if (cmd_pid) /* force through to the command */
700	kill (cmd_pid, SIGWINCH);
701	# endif	814	#endif
702	#endif	815	}
703	}
704		816
705	/*----------------------------------------------------------------------*/	817	if (parent)
706	/* rxvt_change_font() - Switch to a new font */	818	{
707	/*	819	resize_all_windows (0, 0, 0);
708	* init = 1 - initialize	820	scr_remap_chars ();
709	*	821	scr_touch (true);
710	* fontname == FONT_UP - switch to bigger font	822	}
711	* fontname == FONT_DN - switch to smaller font
712	*/
713	void
714	rxvt_term::change_font (int init, const char *fontname)
715	{}
716		823
		824	return true;
		825	}
		826
717	void	827	void
718	rxvt_term::font_up_down (int n, int direction)	828	rxvt_term::set_string_property (Atom prop, const char *str, int len)
719	{}	829	{
		830	XChangeProperty (dpy, parent,
		831	prop, XA_STRING, 8, PropModeReplace,
		832	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		833	}
		834
		835	void
		836	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		837	{
		838	XTextProperty ct;
		839
		840	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		841	{
		842	XSetTextProperty (dpy, parent, &ct, prop);
		843	XFree (ct.value);
		844	}
		845	}
		846
		847	void
		848	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		849	{
		850	wchar_t *ws = rxvt_mbstowcs (str, len);
		851	char *s = rxvt_wcstoutf8 (ws);
		852
		853	XChangeProperty (dpy, parent,
		854	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		855	(const unsigned char *)s, strlen (s));
		856
		857	free (s);
		858	free (ws);
		859	}
720		860
721	/*----------------------------------------------------------------------*/	861	/*----------------------------------------------------------------------*/
722	/*----------------------------------------------------------------------*/	862	/*----------------------------------------------------------------------*/
723	/* xterm sequences - title, iconName, color (exptl) */	863	/* xterm sequences - title, iconName, color (exptl) */
724	void	864	void
725	rxvt_term::set_title (const char *str)	865	rxvt_term::set_title (const char *str)
726	{	866	{
727	#ifndef SMART_WINDOW_TITLE	867	set_mbstring_property (XA_WM_NAME, str);
728	XStoreName(display->display, TermWin.parent[0], str);	868	#if ENABLE_EWMH
729	#else	869	set_utf8_property (xa[XA_NET_WM_NAME], str);
730	char *name;
731
732	if (XFetchName(display->display, TermWin.parent[0], &name) == 0)
733	name = NULL;
734	if (name == NULL || STRCMP(name, str))
735	XStoreName(display->display, TermWin.parent[0], str);
736	if (name)
737	XFree(name);
738	#endif	870	#endif
739	}	871	}
740		872
741	void	873	void
742	rxvt_term::set_iconName (const char *str)	874	rxvt_term::set_icon_name (const char *str)
743	{	875	{
744	#ifndef SMART_WINDOW_TITLE	876	set_mbstring_property (XA_WM_ICON_NAME, str);
745	XSetIconName(display->display, TermWin.parent[0], str);	877	#if ENABLE_EWMH
746	#else	878	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
747	char *name;
748
749	if (XGetIconName(display->display, TermWin.parent[0], &name))
750	name = NULL;
751	if (name == NULL || STRCMP(name, str))
752	XSetIconName(display->display, TermWin.parent[0], str);
753	if (name)
754	XFree(name);
755	#endif	879	#endif
756	}	880	}
757		881
		882	void
		883	rxvt_term::set_window_color (int idx, const char *color)
		884	{
758	#ifdef XTERM_COLOR_CHANGE	885	#ifdef XTERM_COLOR_CHANGE
759	void
760	rxvt_term::set_window_color (int idx, const char *color)
761	{
762	rxvt_color xcol;	886	rxvt_color xcol;
763	int i;
764		887
765	if (color == NULL || *color == '\0')	888	if (color == NULL || *color == '\0')
766	return;	889	return;
767		890
		891	color = strdup (color);
		892	allocated.push_back ((void *)color);
		893	rs[Rs_color + idx] = color;
		894
768	/* handle color aliases */	895	/* handle color aliases */
769	if (isdigit(*color))	896	if (isdigit (*color))
770	{	897	{
771	i = atoi(color);	898	int i = atoi (color);
		899
772	if (i >= 8 && i <= 15)	900	if (i >= 8 && i <= 15)
		901	{
773	{ /* bright colors */	902	/* bright colors */
774	i -= 8;
775	# ifndef NO_BRIGHTCOLOR
776	PixColors[idx] = PixColors[minBrightCOLOR + i];	903	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
777	SET_PIXCOLOR(idx);
778	goto Done;	904	goto done;
779	# endif
780
781	}	905	}
		906
782	if (i >= 0 && i <= 7)	907	if (i >= 0 && i <= 7)
		908	{
783	{ /* normal colors */	909	/* normal colors */
784	PixColors[idx] = PixColors[minCOLOR + i];	910	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
785	SET_PIXCOLOR(idx);
786	goto Done;	911	goto done;
787	}	912	}
788	}	913	}
789	if (!rXParseAllocColor (& xcol, color))	914
790	return;	915	set_color (xcol, color);
791	/* XStoreColor (display->display, XCMAP, XColor*); */
792		916
793	/*	917	/*
794	* FIXME: should free colors here, but no idea how to do it so instead,	918	* FIXME: should free colors here, but no idea how to do it so instead,
795	* so just keep gobbling up the colormap	919	* so just keep gobbling up the colormap
796	*/	920	*/
797	# if 0
798	for (i = Color_Black; i <= Color_White; i++)
799	if (PixColors[idx] == PixColors[i])
800	break;
801	if (i > Color_White)
802	{
803	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
804	XFreeColors(display->display, XCMAP, (PixColors + idx), 1,
805	DisplayPlanes(display->display, display->screen));
806	}
807	# endif
808		921
809	PixColors[idx] = xcol;	922	pix_colors_focused[idx] = xcol;
810	SET_PIXCOLOR(idx);
811		923
812	/* XSetWindowAttributes attr; */
813	/* Cursor cursor; */
814	Done:	924	done:
815	if (idx == Color_bg && !(Options & Opt_transparent))
816	XSetWindowBackground(display->display, TermWin.vt,
817	PixColors[Color_bg]);
818
819	/* handle Color_BD, scrollbar background, etc. */	925	/*TODO: handle Color_BD, scrollbar background, etc. */
820		926
821	set_colorfgbg ();	927	update_fade_color (idx);
822	recolour_cursor ();	928	recolour_cursor ();
823	/* the only reasonable way to enforce a clean update */	929	scr_recolour ();
824	scr_poweron ();	930	#endif /* XTERM_COLOR_CHANGE */
825	}	931	}
826
827	#else
828	# define set_window_color (idx,color) ((void)0)
829	#endif /* XTERM_COLOR_CHANGE */
830		932
831	void	933	void
832	rxvt_term::recolour_cursor ()	934	rxvt_term::recolour_cursor ()
833	{	935	{
834	#if TODO	936	XColor fg, bg;
835	rxvt_color xcol[2];
836		937
837	xcol[0] = PixColors[Color_pointer];	938	(ISSET_PIXCOLOR (Color_pointer_fg)
838	xcol[1] = PixColors[Color_bg];	939	? pix_colors_focused[Color_pointer_fg]
839	XQueryColors (display->display, XCMAP, xcol, 2);	940	: pix_colors_focused[Color_fg]).get (fg);
840	XRecolorCursor (display->display, TermWin_cursor, &(xcol[0]), &(xcol[1]));	941
841	#endif	942	(ISSET_PIXCOLOR (Color_pointer_bg)
		943	? pix_colors_focused[Color_pointer_bg]
		944	: pix_colors_focused[Color_bg]).get (bg);
		945
		946	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
842	}	947	}
843		948
844	/*----------------------------------------------------------------------*/	949	/*----------------------------------------------------------------------*/
845	/*	950	/*
846	* find if fg/bg matches any of the normal (low-intensity) colors	951	* find if fg/bg matches any of the normal (low-intensity) colors
847	*/	952	*/
848	void	953	char *
849	rxvt_term::set_colorfgbg ()	954	rxvt_term::get_colorfgbg ()
850	{	955	{
851	unsigned int i;	956	unsigned int i;
852	const char *xpmb = "\0";	957	const char *xpmb = "";
853	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	958	char fstr[] = "default";
854		959	char bstr[] = "default";
855	env_colorfgbg =	960	char *env_colorfgbg;
856	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	961
857	STRCPY(fstr, "default");
858	STRCPY(bstr, "default");
859	for (i = Color_Black; i <= Color_White; i++)	962	for (i = Color_Black; i <= Color_White; i++)
860	if (PixColors[Color_fg] == PixColors[i])	963	if (pix_colors[Color_fg] == pix_colors[i])
861	{	964	{
862	sprintf(fstr, "%d", (i - Color_Black));	965	sprintf (fstr, "%d", i - Color_Black);
863	break;	966	break;
864	}	967	}
		968
865	for (i = Color_Black; i <= Color_White; i++)	969	for (i = Color_Black; i <= Color_White; i++)
866	if (PixColors[Color_bg] == PixColors[i])	970	if (pix_colors[Color_bg] == pix_colors[i])
867	{	971	{
868	sprintf(bstr, "%d", (i - Color_Black));	972	sprintf (bstr, "%d", i - Color_Black);
869	#ifdef XPM_BACKGROUND	973	#if BG_IMAGE_FROM_FILE
870	xpmb = "default;";	974	xpmb = "default;";
871	#endif	975	#endif
872	break;	976	break;
873	}	977	}
		978
		979	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
874	sprintf(env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	980	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
875	putenv(env_colorfgbg);	981	return env_colorfgbg;
876
877	#ifndef NO_BRIGHTCOLOR
878	colorfgbg = DEFAULT_RSTYLE;
879	for (i = minCOLOR; i <= maxCOLOR; i++)
880	{
881	if (PixColors[Color_fg] == PixColors[i])
882	colorfgbg = SET_FGCOLOR(colorfgbg, i);
883	if (PixColors[Color_bg] == PixColors[i])
884	colorfgbg = SET_BGCOLOR(colorfgbg, i);
885	}
886	#endif
887	}	982	}
888		983
889	/*----------------------------------------------------------------------*/	984	/*----------------------------------------------------------------------*/
890	/*
891	* Colour determination for low colour displays, routine from
892	* Hans de Goede <hans@highrise.nl>
893	*/
894		985
895	int	986	bool
896	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	987	rxvt_term::set_color (rxvt_color &color, const char *name)
897	{	988	{
898	if (!screen_in_out->set (display, colour))	989	if (color.set (this, name))
899	{
900	rxvt_print_error("can't allocate colour: %s", colour);
901	return false;
902	}
903
904	return true;	990	return true;
		991
		992	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		993	return false;
		994	}
		995
		996	void
		997	rxvt_term::alias_color (int dst, int src)
		998	{
		999	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
905	}	1000	}
906		1001
907	/* -------------------------------------------------------------------- *	1002	/* -------------------------------------------------------------------- *
908	* - WINDOW RESIZING - *	1003	* - WINDOW RESIZING - *
909	* -------------------------------------------------------------------- */	1004	* -------------------------------------------------------------------- */
910	void	1005	void
911	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1006	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
912	{	1007	{
913	int fix_screen;	1008	int fix_screen;
		1009	int old_width = szHint.width;
		1010	int old_height = szHint.height;
914		1011
915	#ifdef SMART_RESIZE
916	int old_width = szHint.width, old_height = szHint.height;
917	#endif
918
919	window_calc (width, height);	1012	window_calc (newwidth, newheight);
		1013
		1014	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1015
		1016	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1017	if (set_hint)
		1018	{
		1019	szHint.flags &= ~(PBaseSize | PResizeInc);
920	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1020	XSetWMNormalHints (dpy, parent, &szHint);
		1021	szHint.flags |= PBaseSize | PResizeInc;
		1022	}
		1023
921	if (!ignoreparent)	1024	if (!ignoreparent)
922	{	1025	{
923	#ifdef SMART_RESIZE	1026	#ifdef SMART_RESIZE
924	/*	1027	/*
925	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1028	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
928	int x, y, x1, y1;	1031	int x, y, x1, y1;
929	int dx, dy;	1032	int dx, dy;
930	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1033	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
931	Window unused_cr;	1034	Window unused_cr;
932		1035
933	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1036	XTranslateCoordinates (dpy, parent, display->root,
934	0, 0, &x, &y, &unused_cr);	1037	0, 0, &x, &y, &unused_cr);
935	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1038	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
936	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1039	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
937	/*	1040	/*
938	* if display->root isn't the parent window, a WM will probably have offset	1041	* if display->root isn't the parent window, a WM will probably have offset
939	* our position for handles and decorations. Counter it	1042	* our position for handles and decorations. Counter it
940	*/	1043	*/
…		…
942	{	1045	{
943	x -= x1;	1046	x -= x1;
944	y -= y1;	1047	y -= y1;
945	}	1048	}
946		1049
947	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1050	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
948	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1051	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
949	dx = old_width - szHint.width;	1052	dx = old_width - szHint.width;
950	dy = old_height - szHint.height;	1053	dy = old_height - szHint.height;
951		1054
952	/* Check position of the center of the window */	1055	/* Check position of the center of the window */
953	if (x < x1) /* left half */	1056	if (x < x1) /* left half */
954	dx = 0;	1057	dx = 0;
…		…
957	if (y < y1) /* top half */	1060	if (y < y1) /* top half */
958	dy = 0;	1061	dy = 0;
959	else if (y == y1) /* exact center */	1062	else if (y == y1) /* exact center */
960	dy /= 2;	1063	dy /= 2;
961		1064
962	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1065	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
963	szHint.width, szHint.height);	1066	szHint.width, szHint.height);
964	#else	1067	#else
965	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	1068	XResizeWindow (dpy, parent, szHint.width, szHint.height);
966	szHint.height);
967	#endif	1069	#endif
968
969	}	1070	}
970		1071
971	fix_screen = (TermWin.ncol != prev_ncol	1072	if (set_hint)
972	|| TermWin.nrow != prev_nrow);	1073	XSetWMNormalHints (dpy, parent, &szHint);
973		1074
		1075	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1076
974	if (fix_screen || width != old_width || height != old_height)	1077	if (fix_screen || newwidth != old_width || newheight != old_height)
975	{	1078	{
976	if (scrollbar_visible ())	1079	if (scrollBar.state)
977	{	1080	scrollBar.resize ();
978	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
979	0, scrollbar_TotalWidth (), szHint.height);
980	resize_scrollbar ();
981	}
982		1081
983	if (menubar_visible ())	1082	XMoveResizeWindow (dpy, vt,
984	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	1083	window_vt_x, window_vt_y,
985	0, TermWin_TotalWidth (), menuBar_TotalHeight ());	1084	vt_width, vt_height);
986		1085
987	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,	1086	HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
988	window_vt_y, TermWin_TotalWidth (),
989	TermWin_TotalHeight ());
990	#ifdef RXVT_GRAPHICS
991	if (old_height)
992	Gr_Resize (old_width - szHint.base_width,
993	old_height - szHint.base_height);
994	#endif
995	scr_clear ();
996	#ifdef XPM_BACKGROUND
997	resize_pixmap ();
998	#endif
999		1087
		1088	#ifdef HAVE_BG_PIXMAP
		1089	if (bg_window_size_sensitive ())
		1090	update_background ();
		1091	#endif
1000	}	1092	}
1001		1093
1002	if (fix_screen || old_height == 0)	1094	if (fix_screen || old_height == 0)
1003	{
1004	int curr_screen = -1;
1005	int old_ncol = prev_ncol;
1006
1007	/* scr_reset only works on the primary screen */
1008	if (old_height) /* this is not the first time through */
1009	{
1010	unsigned int ncol = TermWin.ncol;
1011	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1012	curr_screen = scr_change_screen (PRIMARY);
1013	TermWin.ncol = ncol;
1014	}
1015
1016	scr_reset();	1095	scr_reset ();
1017		1096
1018	if (curr_screen >= 0) /* this is not the first time through */
1019	{
1020	scr_change_screen (curr_screen);
1021	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1022	}
1023	}
1024
1025	old_width = szHint.width;
1026	old_height = szHint.height;
1027
1028	#ifdef USE_XIM	1097	#if USE_XIM
1029	IMSetStatusPosition ();	1098	im_set_position ();
1030	#endif	1099	#endif
1031	}	1100	}
1032		1101
1033	/*	1102	/*
1034	* Set the width/height of the vt window in characters. Units are pixels.	1103	* Set the width/height of the vt window in characters. Units are pixels.
1035	* good for toggling 80/132 columns	1104	* good for toggling 80/132 columns
1036	*/	1105	*/
1037	void	1106	void
1038	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1107	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1039	{	1108	{
1040	XWindowAttributes wattr;	1109	XWindowAttributes wattr;
1041		1110
1042	if (width == 0 || height == 0)	1111	if (newwidth == 0 || newheight == 0)
1043	{	1112	{
1044	XGetWindowAttributes(display->display, display->root, &wattr);	1113	XGetWindowAttributes (dpy, display->root, &wattr);
		1114
1045	if (width == 0)	1115	if (newwidth == 0)
1046	width = wattr.width - szHint.base_width;	1116	newwidth = wattr.width - szHint.base_width;
1047	if (height == 0)	1117	if (newheight == 0)
1048	height = wattr.height - szHint.base_height;	1118	newheight = wattr.height - szHint.base_height;
1049	}
1050	if (width != TermWin.width || height != TermWin.height)
1051	{	1119	}
		1120
		1121	if (newwidth != vt_width || newheight != vt_height)
		1122	{
1052	width += szHint.base_width;	1123	newwidth += szHint.base_width;
1053	height += szHint.base_height;	1124	newheight += szHint.base_height;
1054	resize_all_windows (width, height, 0);	1125	resize_all_windows (newwidth, newheight, 0);
1055	}	1126	}
1056	}	1127	}
1057		1128
1058	/* -------------------------------------------------------------------- *	1129	/* -------------------------------------------------------------------- *
1059	* - X INPUT METHOD ROUTINES - *	1130	* - X INPUT METHOD ROUTINES - *
1060	* -------------------------------------------------------------------- */	1131	* -------------------------------------------------------------------- */
1061	#ifdef USE_XIM	1132	#if USE_XIM
1062	void
1063	rxvt_term::set_size (XRectangle *size)
1064	{
1065	size->x = TermWin.int_bwidth;
1066	size->y = TermWin.int_bwidth;
1067	size->width = Width2Pixel(TermWin.ncol);
1068	size->height = Height2Pixel(TermWin.nrow);
1069	}
1070		1133
1071	void	1134	void
1072	rxvt_term::set_color (unsigned long *fg, unsigned long *bg)	1135	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1073	{	1136	{
1074	*fg = PixColors[Color_fg];	1137	fg = pix_colors [Color_fg];
1075	*bg = PixColors[Color_bg];	1138	bg = pix_colors [Color_bg];
		1139	}
		1140
		1141	void
		1142	rxvt_term::im_set_size (XRectangle &size)
		1143	{
		1144	// the int_bwidth terms make no sense to me
		1145	size.x = int_bwidth;
		1146	size.y = int_bwidth;
		1147	size.width = Width2Pixel (ncol) + int_bwidth;
		1148	size.height = Height2Pixel (nrow) + int_bwidth;
		1149	}
		1150
		1151	void
		1152	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1153	XRectangle &status_rect,
		1154	const XRectangle &needed_rect)
		1155	{
		1156	preedit_rect.x = needed_rect.width;
		1157	preedit_rect.y = 0;
		1158	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1159	preedit_rect.height = fheight;
		1160
		1161	status_rect.x = 0;
		1162	status_rect.y = 0;
		1163	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1164	status_rect.height = fheight;
1076	}	1165	}
1077		1166
1078	/* Checking whether input method is running. */	1167	/* Checking whether input method is running. */
1079	bool	1168	bool
1080	rxvt_term::IMisRunning ()	1169	rxvt_term::im_is_running ()
1081	{	1170	{
1082	char *p;	1171	Atom atom;
1083	Atom atom;	1172	Window win;
1084	Window win;
1085	char server[IMBUFSIZ];	1173	char server[IMBUFSIZ];
1086		1174
1087	/* get current locale modifier */	1175	/* get current locale modifier */
1088	if ((p = XSetLocaleModifiers(NULL)) != NULL)	1176	if (char *p = XSetLocaleModifiers (0))
1089	{	1177	{
1090	STRCPY(server, "@server=");	1178	strcpy (server, "@server=");
1091	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1179	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1180
1092	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1181	if (p = strchr (server + 1, '@')) /* first one only */
1093	*p = '\0';	1182	*p = '\0';
1094		1183
1095	atom = XInternAtom(display->display, server, False);	1184	atom = XInternAtom (dpy, server, False);
1096	win = XGetSelectionOwner(display->display, atom);	1185	win = XGetSelectionOwner (dpy, atom);
		1186
1097	if (win != None)	1187	if (win != None)
1098	return True;	1188	return true;
1099	}	1189	}
		1190
1100	return False;	1191	return false;
1101	}	1192	}
1102		1193
1103	void	1194	void
1104	rxvt_term::IMSendSpot ()	1195	rxvt_term::im_send_spot ()
1105	{	1196	{
1106	XPoint spot;	1197	XPoint nspot;
1107	XVaNestedList preedit_attr;	1198	XVaNestedList preedit_attr;
1108		1199
1109	if (Input_Context == NULL	1200	if (!Input_Context
1110	|| !TermWin.focus || !(input_style & XIMPreeditPosition)	1201	|| !focus
1111	|| !(event_type == KeyPress	1202	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1112	|| event_type == Expose
1113	|| event_type == NoExpose
1114	|| event_type == SelectionNotify
1115	|| event_type == ButtonRelease || event_type == FocusIn)
1116	|| !IMisRunning ())
1117	return;	1203	return;
1118		1204
1119	set_position (&spot);	1205	im_set_position (nspot);
1120		1206
		1207	if (nspot.x == spot.x && nspot.y == spot.y)
		1208	return;
		1209
		1210	spot = nspot;
		1211
1121	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1212	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1122	XSetICValues(Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1213	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1123	XFree(preedit_attr);	1214	XFree (preedit_attr);
1124	}	1215	}
1125		1216
1126	void	1217	void
1127	rxvt_term::set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,	1218	rxvt_term::im_destroy ()
1128	XRectangle * needed_rect)
1129	{	1219	{
1130	int mbh, vtx = 0;	1220	if (input_method)
		1221	{
		1222	if (Input_Context && input_method->xim)
		1223	XDestroyIC (Input_Context);
1131		1224
1132	if (scrollbar_visible () && !(Options & Opt_scrollBar_right))	1225	display->put_xim (input_method);
1133	vtx = scrollbar_TotalWidth();	1226	input_method = 0;
		1227	}
1134		1228
1135	mbh = menubar_visible () ? menuBar_TotalHeight() : 0;
1136	mbh -= TermWin.lineSpace;
1137
1138	preedit_rect->x = needed_rect->width + vtx;
1139	preedit_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1140
1141	preedit_rect->width = Width2Pixel(TermWin.ncol + 1) - needed_rect->width + vtx;
1142	preedit_rect->height = Height2Pixel(1);
1143
1144	status_rect->x = vtx;
1145	status_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1146
1147	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel(TermWin.ncol + 1);
1148	status_rect->height = Height2Pixel(1);
1149	}
1150
1151	/* ARGSUSED */
1152	/* EXTPROTO */
1153	void
1154	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1155	__attribute__ ((unused)), XPointer call_data
1156	__attribute__ ((unused)))
1157	{
1158	GET_R->Input_Context = NULL;	1229	Input_Context = 0;
1159	/* To avoid Segmentation Fault in C locale: Solaris only? */
1160	if (STRCMP (GET_R->locale, "C"))
1161	XRegisterIMInstantiateCallback(GET_R->display->display, NULL, NULL, NULL,
1162	rxvt_IMInstantiateCallback, NULL);
1163	}	1230	}
		1231
		1232	#ifdef ENABLE_XIM_ONTHESPOT
		1233
		1234	static void
		1235	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1236	{
		1237	((rxvt_term *)client_data)->make_current ();
		1238	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1239	}
		1240
		1241	static void
		1242	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1243	{
		1244	((rxvt_term *)client_data)->make_current ();
		1245	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1246	}
		1247
		1248	static void
		1249	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1250	{
		1251	rxvt_term *term = (rxvt_term *)client_data;
		1252	XIMText *text = call_data->text;
		1253
		1254	term->make_current ();
		1255
		1256	if (text)
		1257	{
		1258	wchar_t *str;
		1259
		1260	if (!text->encoding_is_wchar && text->string.multi_byte)
		1261	{
		1262	// of course, X makes it ugly again
		1263	if (term->rs[Rs_imLocale])
		1264	SET_LOCALE (term->rs[Rs_imLocale]);
		1265
		1266	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1267	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1268
		1269	if (term->rs[Rs_imLocale])
		1270	SET_LOCALE (term->locale);
		1271	}
		1272	else
		1273	str = text->string.wide_char;
		1274
		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_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1280	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1281	DT_END));
		1282	}
		1283	else
		1284	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1285	DT_INT, call_data->caret,
		1286	DT_INT, call_data->chg_first,
		1287	DT_INT, call_data->chg_length,
		1288	DT_END));
		1289	}
		1290
		1291	#if 0
		1292	static void
		1293	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1294	{
		1295	((rxvt_term *)client_data)->make_current ();
		1296	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1297	DT_INT, call_data->position,
		1298	DT_INT, call_data->direction,
		1299	DT_INT, call_data->style,
		1300	DT_END));
		1301	}
		1302	#endif
		1303
		1304	#endif
1164		1305
1165	/*	1306	/*
1166	* Try to open a XIM with the current modifiers, then see if we can	1307	* Try to open a XIM with the current modifiers, then see if we can
1167	* open a suitable preedit type	1308	* open a suitable preedit type
1168	*/	1309	*/
1169	bool	1310	bool
1170	rxvt_term::IM_get_IC ()	1311	rxvt_term::im_get_ic (const char *modifiers)
1171	{	1312	{
1172	int i, j, found;	1313	int i, j, found;
1173	XIM xim;	1314	XIM xim;
1174	XPoint spot;	1315	XPoint spot;
1175	XRectangle rect, status_rect, needed_rect;	1316	XRectangle rect, status_rect, needed_rect;
1176	unsigned long fg, bg;	1317	unsigned long fg, bg;
1177	const char *p;	1318	const char *p;
1178	char **s;	1319	char **s;
1179	XIMStyles *xim_styles;	1320	XIMStyles *xim_styles;
1180	XVaNestedList preedit_attr, status_attr;
1181	XIMCallback ximcallback;
1182		1321
1183	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1322	set_environ (envv);
1184	xim = XOpenIM (display->display, NULL, NULL, NULL);	1323
1185	if (xim == NULL)	1324	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1186	return False;	1325	return false;
		1326
		1327	input_method = display->get_xim (locale, modifiers);
		1328	if (input_method == NULL)
		1329	return false;
		1330
		1331	xim = input_method->xim;
		1332	spot.x = spot.y = -1;
1187		1333
1188	xim_styles = NULL;	1334	xim_styles = NULL;
1189	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1335	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1190	|| !xim_styles || !xim_styles->count_styles)	1336	|| !xim_styles || !xim_styles->count_styles)
1191	{	1337	{
1192	XCloseIM(xim);	1338	im_destroy ();
1193	return False;	1339	return false;
		1340	}
		1341
		1342	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1343
		1344	for (int pi = 0; pi < 2; pi++)
1194	}	1345	{
		1346	p = pet[pi];
1195		1347
1196	p = rs[Rs_preeditType] ? rs[Rs_preeditType]	1348	if (!p)
1197	: "OverTheSpot,OffTheSpot,Root";	1349	continue;
1198	s = rxvt_splitcommastring(p);	1350
		1351	s = rxvt_strsplit (',', p);
		1352
1199	for (i = found = 0; !found && s[i]; i++)	1353	for (i = found = 0; !found && s[i]; i++)
1200	{	1354	{
1201	if (!STRCMP(s[i], "OverTheSpot"))	1355	if (!strcmp (s[i], "OverTheSpot"))
1202	input_style = (XIMPreeditPosition | XIMStatusNothing);	1356	input_style = XIMPreeditPosition | XIMStatusNothing;
1203	else if (!STRCMP(s[i], "OffTheSpot"))	1357	else if (!strcmp (s[i], "OffTheSpot"))
1204	input_style = (XIMPreeditArea | XIMStatusArea);	1358	input_style = XIMPreeditArea | XIMStatusArea;
1205	else if (!STRCMP(s[i], "Root"))	1359	else if (!strcmp (s[i], "Root"))
1206	input_style = (XIMPreeditNothing | XIMStatusNothing);	1360	input_style = XIMPreeditNothing | XIMStatusNothing;
		1361	else if (!strcmp (s[i], "None"))
		1362	input_style = XIMPreeditNone | XIMStatusNone;
		1363	#ifdef ENABLE_XIM_ONTHESPOT
		1364	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1365	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1366	#endif
		1367	else
		1368	input_style = XIMPreeditNothing | XIMStatusNothing;
1207		1369
1208	for (j = 0; j < xim_styles->count_styles; j++)	1370	for (j = 0; j < xim_styles->count_styles; j++)
1209	if (input_style == xim_styles->supported_styles[j])	1371	if (input_style == xim_styles->supported_styles[j])
1210	{	1372	{
		1373	rxvt_free_strsplit (s);
		1374
1211	found = 1;	1375	found = 1;
1212	break;	1376	goto foundpet;
		1377	}
		1378
1213	}	1379	}
		1380
		1381	rxvt_free_strsplit (s);
1214	}	1382	}
1215	for (i = 0; s[i]; i++)	1383
1216	free(s[i]);	1384	foundpet:
1217	free(s);	1385
1218	XFree(xim_styles);	1386	XFree (xim_styles);
1219		1387
1220	if (!found)	1388	if (!found)
1221	{	1389	{
1222	XCloseIM(xim);	1390	im_destroy ();
1223	return False;	1391	return false;
		1392	}
		1393
		1394	XFontSet fs = 0;
		1395	XVaNestedList preedit_attr = 0, status_attr = 0;
		1396
		1397	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1224	}	1398	{
		1399	// fake us a font-set, please
		1400	char **missing_charset_list;
		1401	int missing_charset_count;
		1402	char *def_string;
		1403	char pat[512];
1225		1404
1226	ximcallback.callback = rxvt_IMDestroyCallback;	1405	sprintf (pat,
		1406	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1407	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1408	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1409	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1410	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1411	"*",
		1412	fheight,
		1413	fheight + 1, fheight - 1,
		1414	fheight - 2, fheight + 2);
1227		1415
1228	/* XXX: not sure why we need this (as well as IC one below) */	1416	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1229	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1417	&missing_charset_list, &missing_charset_count, &def_string);
1230		1418
1231	preedit_attr = status_attr = NULL;	1419	if (missing_charset_list)
		1420	XFreeStringList (missing_charset_list);
		1421
		1422	if (!fs)
		1423	{
		1424	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1425	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1426	}
		1427	}
1232		1428
1233	if (input_style & XIMPreeditPosition)	1429	if (input_style & XIMPreeditPosition)
1234	{	1430	{
1235	set_size (&rect);	1431	im_set_size (rect);
1236	set_position (&spot);	1432	im_set_position (spot);
1237	set_color (&fg, &bg);	1433	im_set_color (fg, bg);
1238		1434
1239	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1435	preedit_attr = XVaCreateNestedList (0,
		1436	XNForeground, fg,
		1437	XNBackground, bg,
		1438	XNArea, &rect,
1240	XNSpotLocation, &spot,	1439	XNSpotLocation, &spot,
1241	XNForeground, fg, XNBackground, bg,
1242	//XNFontSet, TermWin.fontset,	1440	XNFontSet, fs,
1243	NULL);	1441	NULL);
1244	}	1442	}
1245	else if (input_style & XIMPreeditArea)	1443	else if (input_style & XIMPreeditArea)
1246	{	1444	{
1247	set_color (&fg, &bg);	1445	im_set_color (fg, bg);
1248		1446
1249	/*	1447	/*
1250	* The necessary width of preedit area is unknown	1448	* The necessary width of preedit area is unknown
1251	* until create input context.	1449	* until create input context.
1252	*/	1450	*/
1253	needed_rect.width = 0;	1451	needed_rect.width = 0;
1254
1255	set_preedit_area(&rect, &status_rect, &needed_rect);	1452	im_set_preedit_area (rect, status_rect, needed_rect);
1256		1453
1257	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1454	preedit_attr = XVaCreateNestedList (0,
		1455	XNForeground, fg,
1258	XNForeground, fg, XNBackground, bg,	1456	XNBackground, bg,
		1457	XNArea, &rect,
		1458	XNFontSet, fs,
		1459	NULL);
		1460	status_attr = XVaCreateNestedList (0,
		1461	XNForeground, fg,
		1462	XNBackground, bg,
		1463	XNArea, &status_rect,
1259	//XNFontSet, TermWin.fontset,	1464	XNFontSet, fs,
1260	NULL);	1465	NULL);
1261	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,	1466	}
1262	XNForeground, fg, XNBackground, bg,	1467	#if ENABLE_XIM_ONTHESPOT
1263	//XNFontSet, TermWin.fontset,	1468	else if (input_style & XIMPreeditCallbacks)
		1469	{
		1470	XIMCallback xcb[4];
		1471
		1472	im_set_position (spot);
		1473
		1474	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1475	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1476	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1477	# if 0
		1478	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1479	# endif
		1480
		1481	preedit_attr = XVaCreateNestedList (0,
		1482	XNSpotLocation, &spot,
		1483	XNPreeditStartCallback, &xcb[0],
		1484	XNPreeditDoneCallback , &xcb[1],
		1485	XNPreeditDrawCallback , &xcb[2],
		1486	# if 0
		1487	XNPreeditCaretCallback, &xcb[3],
		1488	# endif
1264	NULL);	1489	NULL);
1265	}	1490	}
1266	Input_Context = XCreateIC(xim, XNInputStyle, input_style,	1491	#endif
		1492
		1493	Input_Context = XCreateIC (xim,
		1494	XNInputStyle, input_style,
1267	XNClientWindow, TermWin.parent[0],	1495	XNClientWindow, vt,
1268	XNFocusWindow, TermWin.parent[0],	1496	XNFocusWindow, parent,
1269	XNDestroyCallback, &ximcallback,
1270	preedit_attr ? XNPreeditAttributes : NULL,	1497	preedit_attr ? XNPreeditAttributes : NULL,
1271	preedit_attr,	1498	preedit_attr,
1272	status_attr ? XNStatusAttributes : NULL,	1499	status_attr ? XNStatusAttributes : NULL,
1273	status_attr, NULL);	1500	status_attr, NULL);
1274	if (preedit_attr)	1501
1275	XFree(preedit_attr);	1502	if (preedit_attr) XFree (preedit_attr);
1276	if (status_attr)	1503	if (status_attr) XFree (status_attr);
1277	XFree(status_attr);	1504	if (fs) XFreeFontSet (dpy, fs);
		1505
1278	if (Input_Context == NULL)	1506	if (Input_Context == NULL)
1279	{	1507	{
1280	rxvt_print_error("failed to create input context");	1508	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1281	XCloseIM(xim);	1509	im_destroy ();
1282	return False;	1510	return false;
1283	}	1511	}
1284	if (input_style & XIMPreeditArea)	1512
1285	IMSetStatusPosition ();	1513	#if 0
1286	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1514	// unfortunately, only the focus window is used by XIM, hard to fix
		1515	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1516	vt_select_input ();
		1517	#endif
		1518
		1519	im_set_position ();
		1520
1287	return True;	1521	return true;
1288	}	1522	}
1289		1523
1290	/*
1291	* X manual pages and include files don't match on some systems:
1292	* some think this is an XIDProc and others an XIMProc so we can't
1293	* use the first argument - need to update this to be nice for
1294	* both types via some sort of configure detection
1295	*/
1296	/* ARGSUSED */
1297	/* EXTPROTO */
1298	void	1524	void
1299	rxvt_IMInstantiateCallback(Display * unused	1525	rxvt_term::im_cb ()
1300	__attribute__ ((unused)), XPointer client_data
1301	__attribute__ ((unused)), XPointer call_data
1302	__attribute__ ((unused)))
1303	{	1526	{
1304	int i, found, had_im;	1527	int i;
1305	const char *p;	1528	const char *p;
1306	char **s;	1529	char **s;
1307	char buf[IMBUFSIZ];	1530	char buf[IMBUFSIZ];
1308		1531
1309	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1532	make_current ();
		1533
		1534	im_destroy ();
		1535
1310	if (GET_R->Input_Context)	1536	if (Input_Context)
1311	return;	1537	return;
1312		1538
1313	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1314	if (GET_R->rs[Rs_imLocale])	1539	if (rs[Rs_imLocale])
1315	setlocale (LC_CTYPE, GET_R->rs[Rs_imLocale]);	1540	SET_LOCALE (rs[Rs_imLocale]);
1316	#endif
1317		1541
1318	p = GET_R->rs[Rs_inputMethod];	1542	p = rs[Rs_inputMethod];
1319	if (p && *p)	1543	if (p && *p)
1320	{	1544	{
1321	bool found = false;	1545	bool found = false;
1322		1546
1323	s = rxvt_splitcommastring (p);	1547	s = rxvt_strsplit (',', p);
		1548
1324	for (i = 0; s[i]; i++)	1549	for (i = 0; s[i]; i++)
1325	{	1550	{
1326	if (*s[i])	1551	if (*s[i])
1327	{	1552	{
1328	STRCPY (buf, "@im=");	1553	strcpy (buf, "@im=");
1329	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1554	strncat (buf, s[i], IMBUFSIZ - 5);
1330	if ((p = XSetLocaleModifiers (buf)) && *p && GET_R->IM_get_IC ())	1555	if (im_get_ic (buf))
1331	{	1556	{
1332	found = true;	1557	found = true;
1333	break;	1558	break;
1334	}	1559	}
1335	}	1560	}
1336	}	1561	}
1337	for (i = 0; s[i]; i++)	1562
1338	free(s[i]);	1563	rxvt_free_strsplit (s);
1339	free(s);
1340		1564
1341	if (found)	1565	if (found)
1342	goto done;	1566	goto done;
1343	}	1567	}
1344		1568
1345	/* try with XMODIFIERS env. var. */	1569	/* try with XMODIFIERS env. var. */
1346	if ((p = XSetLocaleModifiers ("")) && *p	1570	if (im_get_ic (""))
1347	&& GET_R->IM_get_IC ())
1348	goto done;	1571	goto done;
1349		1572
1350	/* try with no modifiers base IF the user didn't specify an IM */	1573	/* try with no modifiers base IF the user didn't specify an IM */
1351	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1574	if (im_get_ic ("@im=none"))
1352	&& GET_R->IM_get_IC () == True)
1353	goto done;	1575	goto done;
1354		1576
1355	done:	1577	done:
1356	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1357	if (GET_R->rs[Rs_imLocale])	1578	if (rs[Rs_imLocale])
1358	setlocale (LC_CTYPE, GET_R->locale);	1579	SET_LOCALE (locale);
1359	#endif
1360	}	1580	}
1361		1581
1362	void	1582	void
1363	rxvt_term::IMSetStatusPosition ()	1583	rxvt_term::im_set_position ()
1364	{	1584	{
1365	XRectangle preedit_rect, status_rect, *needed_rect;	1585	XRectangle preedit_rect, status_rect, *needed_rect;
1366	XVaNestedList preedit_attr, status_attr;	1586	XVaNestedList preedit_attr, status_attr;
1367		1587
1368	if (Input_Context == NULL	1588	if (!Input_Context
1369	|| !TermWin.focus || !(input_style & XIMPreeditArea)	1589	|| !focus
		1590	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1370	|| !IMisRunning ())	1591	|| !im_is_running ())
1371	return;	1592	return;
1372		1593
		1594	if (input_style & XIMPreeditPosition)
		1595	{
		1596	im_set_size (preedit_rect);
		1597	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1598
		1599	XSetICValues (Input_Context,
		1600	XNPreeditAttributes, preedit_attr, NULL);
		1601	}
		1602	else
		1603	{
1373	/* Getting the necessary width of preedit area */	1604	/* Getting the necessary width of preedit area */
1374	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1605	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1375	XGetICValues(Input_Context, XNStatusAttributes, status_attr, NULL);	1606	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1376	XFree(status_attr);	1607	XFree (status_attr);
1377		1608
1378	set_preedit_area(&preedit_rect, &status_rect, needed_rect);	1609	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1610	XFree (needed_rect);
1379		1611
1380	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1612	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1381	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1613	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1382		1614
1383	XSetICValues(Input_Context,	1615	XSetICValues (Input_Context,
1384	XNPreeditAttributes, preedit_attr,	1616	XNPreeditAttributes, preedit_attr,
1385	XNStatusAttributes, status_attr, NULL);	1617	XNStatusAttributes, status_attr,
		1618	NULL);
1386		1619
		1620	XFree (status_attr);
		1621	}
		1622
1387	XFree(preedit_attr);	1623	XFree (preedit_attr);
1388	XFree(status_attr);
1389	}	1624	}
1390	#endif /* USE_XIM */	1625	#endif /* USE_XIM */
1391		1626
1392	/*----------------------------------------------------------------------*/	1627	void
1393	rxvt_t rxvt_current_term;	1628	rxvt_term::get_window_origin (int &x, int &y)
		1629	{
		1630	Window cr;
		1631	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1632	}
		1633
		1634	#ifdef HAVE_BG_PIXMAP
		1635
		1636	void
		1637	rxvt_term::update_background ()
		1638	{
		1639	if (update_background_ev.is_active ())
		1640	return;
		1641
		1642	bg_invalidate ();
		1643
		1644	if (!mapped)
		1645	return;
		1646
		1647	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1648
		1649	if (to_wait <= 0.)
		1650	bg_render ();
		1651	else
		1652	update_background_ev.start (to_wait);
		1653	}
		1654
		1655	void
		1656	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1657	{
		1658	make_current ();
		1659
		1660	update_background_ev.stop ();
		1661	bg_render ();
		1662	refresh_check ();
		1663	}
		1664
		1665	#endif /* HAVE_BG_PIXMAP */
1394		1666
1395	/*----------------------- end-of-file (C source) -----------------------*/	1667	/*----------------------- end-of-file (C source) -----------------------*/

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