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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.8 by pcg, Thu Nov 27 10:12:10 2003 UTC vs.
Revision 1.352 by sf-exg, Fri Feb 11 01:24:46 2011 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.8 2003/11/27 10:12:10 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* 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>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2010 Marc Lehmann <pcg@goof.com>
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>
		43	#include <cstring>
38		44
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>
41	#endif
42
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	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>
45	#endif	53	# endif
		54	#endif
46		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
		62	static char curlocale[128], savelocale[128];
		63
		64	bool
		65	rxvt_set_locale (const char *locale) NOTHROW
		66	{
		67	int size = strlen (locale) + 1;
		68
		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);
		76	setlocale (LC_CTYPE, curlocale);
		77	return true;
		78	}
		79
47	void *	80	void
48	rxvt_term::operator new (size_t s)	81	rxvt_push_locale (const char *locale) NOTHROW
49	{	82	{
50	void *p = malloc (s);	83	strcpy (savelocale, curlocale);
		84	rxvt_set_locale (locale);
		85	}
51		86
52	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.end (); cc-- > v.begin (); )
		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
53	return p;	150	return len;
54	}
55		151
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	152	}
		153	#endif
61		154
62	rxvt_term::rxvt_term ()	155	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	156	{
		157	#if HAVE_BG_PIXMAP
		158	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		159	#endif
64	#ifdef CURSOR_BLINK	160	#ifdef CURSOR_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	161	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		162	#endif
		163	#ifdef TEXT_BLINK
		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),
66	#endif	181	#endif
67	#ifdef POINTER_BLANK	182	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
69	#endif	184	#endif
70	x_ev (this, &rxvt_term::x_cb),	185	#ifndef NO_BELL
71	destroy_ev (this, &rxvt_term::destroy_cb)	186	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
72	{	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
73	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		196
		197	termlist.push_back (this);
		198
		199	#ifdef KEYSYM_RESOURCE
		200	keyboard = new keyboard_manager;
		201	#endif
		202	}
		203
		204	// clean up the most important stuff, do *not* call x or free mem etc.
		205	// for use before an emergency exit
		206	void
		207	rxvt_term::emergency_cleanup ()
		208	{
		209	if (cmd_pid)
		210	kill (-cmd_pid, SIGHUP);
		211
		212	pty_ev.stop ();
		213	delete pty; pty = 0;
74	}	214	}
75		215
76	rxvt_term::~rxvt_term ()	216	rxvt_term::~rxvt_term ()
77	{	217	{
78	rxvt_scr_release (this);	218	termlist.erase (find (termlist.begin (), termlist.end(), this));
79		219
80	#ifndef NO_SETOWNER_TTYDEV	220	emergency_cleanup ();
81	rxvt_privileged_ttydev (this, RESTORE);	221
		222	#if ENABLE_STYLES
		223	for (int i = RS_styleCount; --i; )
		224	if (fontset[i] != fontset[0])
		225	delete fontset[i];
82	#endif	226	#endif
83	#ifdef UTMP_SUPPORT	227	delete fontset[0];
84	rxvt_privileged_utmp (this, RESTORE);	228
		229	#ifdef HAVE_BG_PIXMAP
		230	bg_destroy ();
85	#endif	231	#endif
		232
		233	if (display)
		234	{
		235	selection_clear ();
		236	selection_clear (true);
		237
86	#ifdef USE_XIM	238	#ifdef USE_XIM
87	if (Input_Context != NULL)	239	im_destroy ();
		240	#endif
		241	scrollBar.destroy ();
		242	if (gc) XFreeGC (dpy, gc);
		243
		244	delete drawable;
		245	// destroy all windows
		246	if (parent[0])
		247	XDestroyWindow (dpy, parent[0]);
		248
		249	for (int i = 0; i < TOTAL_COLORS; i++)
		250	if (ISSET_PIXCOLOR (i))
		251	{
		252	pix_colors_focused [i].free (this);
		253	#if OFF_FOCUS_FADING
		254	pix_colors_unfocused [i].free (this);
		255	#endif
		256	}
		257
		258	clear ();
		259
		260	display->flush (); /* ideally .put should do this */
		261	displays.put (display);
88	{	262	}
89	XDestroyIC (Input_Context);
90	Input_Context = NULL;
91	}
92	#endif
93		263
94	if (cmd_fd >= 0)	264	scr_release ();
95	close (cmd_fd);
96		265
97	if (Xfd >= 0)	266	/* clear all resources */
98	XCloseDisplay (Xdisplay);	267	for (int i = 0; i < allocated.size (); i++)
		268	free (allocated [i]);
99		269
100	delete PixColors;	270	free (selection.text);
		271	free (selection.clip_text);
		272	// TODO: manage env vars in child only(!)
		273	free (env_display);
		274	free (env_term);
		275	free (locale);
		276	free (v_buffer);
		277
		278	delete envv;
		279	delete argv;
		280
		281	#ifdef KEYSYM_RESOURCE
		282	delete keyboard;
		283	#endif
		284	#ifndef NO_RESOURCES
		285	XrmDestroyDatabase (option_db);
		286	#endif
		287	}
		288
		289	// child has exited, usually destroys
		290	void
		291	rxvt_term::child_cb (ev::child &w, int status)
		292	{
		293	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		294
		295	cmd_pid = 0;
		296
		297	if (!option (Opt_hold))
		298	destroy ();
101	}	299	}
102		300
103	void	301	void
104	rxvt_term::destroy ()	302	rxvt_term::destroy ()
105	{	303	{
		304	if (destroy_ev.is_active ())
		305	return;
		306
		307	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		308
		309	#if ENABLE_OVERLAY
		310	scr_overlay_off ();
		311	#endif
		312
		313	if (display)
		314	{
		315	#if USE_XIM
		316	im_ev.stop (display);
		317	#endif
		318	scrollbar_ev.stop (display);
		319	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		320	rootwin_ev.stop (display);
		321	#endif
		322	termwin_ev.stop (display);
		323	vt_ev.stop (display);
		324	}
		325
		326	flush_ev.stop ();
106	pty_ev.stop ();	327	pty_ev.stop ();
107	x_ev.stop ();
108	#ifdef CURSOR_BLINK	328	#ifdef CURSOR_BLINK
		329	cursor_blink_ev.stop ();
		330	#endif
		331	#ifdef TEXT_BLINK
109	blink_ev.stop ();	332	text_blink_ev.stop ();
		333	#endif
		334	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		335	cont_scroll_ev.stop ();
		336	#endif
		337	#ifdef SELECTION_SCROLLING
		338	sel_scroll_ev.stop ();
110	#endif	339	#endif
111	#ifdef POINTER_BLANK	340	#ifdef POINTER_BLANK
112	pointer_ev.stop ();	341	pointer_ev.stop ();
113	#endif	342	#endif
114		343
115	destroy_ev.start (0);	344	destroy_ev.start ();
116	}	345	}
117		346
118	void	347	void
119	rxvt_term::destroy_cb (time_watcher &w)	348	rxvt_term::destroy_cb (ev::idle &w, int revents)
120	{	349	{
121	SET_R (this);	350	make_current ();
122		351
123	delete this;	352	delete this;
124	}	353	}
125		354
126	/*----------------------------------------------------------------------*/	355	void
127	/* rxvt_init() */	356	rxvt_term::set_option (uint8_t opt, bool set)
128	/* LIBPROTO */
129	rxvt_t
130	rxvt_init(int argc, const char *const *argv)
131	{	357	{
132	SET_R(new rxvt_term);	358	if (!opt)
133	dR;
134
135	if (!R->init_vars () || !R->init (argc, argv))
136	{
137	delete R;
138	return NULL;
139	}
140
141	return R;	359	return;
142	}
143		360
144	/* EXTPROTO */	361	uint8_t mask = 1 << (opt & 7);
145	void	362	uint8_t &val = options [opt >> 3];
146	rxvt_init_signals ()
147	{
148	/* install exit handler for cleanup */
149	#if 0
150	#ifdef HAVE_ATEXIT
151	atexit(rxvt_clean_exit);
152	#else
153	# ifdef HAVE_ON_EXIT
154	on_exit(rxvt_clean_exit, NULL); /* non-ANSI exit handler */
155	# endif
156	#endif
157	#endif
158		363
159	struct sigaction sa;	364	val = val & ~mask | (set ? mask : 0);
160
161	sigfillset (&sa.sa_mask);
162	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
163	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGHUP , &sa, 0); //TODO, also: SIGPIPE
164	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
165	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
166	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
167	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
168
169	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
170	/* signal (SIGURG, SIG_DFL); */
171
172	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
173	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
174	}
175
176	bool
177	rxvt_term::init (int argc, const char *const *argv)
178	{
179	dR;//TODO (scrollbar, setidle)
180
181	/*
182	* Save and then give up any super-user privileges
183	* If we need privileges in any area then we must specifically request it.
184	* We should only need to be root in these cases:
185	* 1. write utmp entries on some systems
186	* 2. chown tty on some systems
187	*/
188	rxvt_privileges (this, SAVE);
189	rxvt_privileges (this, IGNORE);
190
191	rxvt_init_secondary (this);
192
193	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
194
195	#if (MENUBAR_MAX)
196	rxvt_menubar_read (this, rs[Rs_menu]);
197	#endif
198	#ifdef HAVE_SCROLLBARS
199	if (Options & Opt_scrollBar)
200	scrollbar_setIdle (); /* set existence for size calculations */
201	#endif
202
203	rxvt_Create_Windows (this, argc, argv);
204
205	rxvt_init_xlocale (this);
206
207	rxvt_scr_reset (this); /* initialize screen */
208	#ifdef RXVT_GRAPHICS
209	rxvt_Gr_reset (this); /* reset graphics */
210	#endif
211
212	#if 0
213	#ifdef DEBUG_X
214	XSynchronize(Xdisplay, True);
215	#endif
216	#endif
217
218	#ifdef HAVE_SCROLLBARS
219	if (Options & Opt_scrollBar)
220	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
221	#endif
222	#if (MENUBAR_MAX)
223	if (menubar_visible(r))
224	XMapWindow (Xdisplay, menuBar.win);
225	#endif
226	#ifdef TRANSPARENT
227	if (Options & Opt_transparent)
228	{
229	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
230	rxvt_check_our_parents (this);
231	}
232	#endif
233	XMapWindow (Xdisplay, TermWin.vt);
234	XMapWindow (Xdisplay, TermWin.parent[0]);
235
236	rxvt_init_env (this);
237	rxvt_init_command (this, cmd_argv);
238
239	x_ev.start (Xfd, EVENT_READ);
240	pty_ev.start (cmd_fd, EVENT_READ);
241
242	flush ();
243
244	return true;
245	}
246
247	/* ------------------------------------------------------------------------- *
248	* SIGNAL HANDLING & EXIT HANDLER *
249	* ------------------------------------------------------------------------- */
250	/*
251	* Catch a SIGCHLD signal and exit if the direct child has died
252	*/
253	/* ARGSUSED */
254	/* EXTPROTO */
255	RETSIGTYPE
256	rxvt_Child_signal(int sig __attribute__ ((unused)))
257	{
258	int pid, save_errno = errno;
259	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
260	;
261	errno = save_errno;
262
263	#if 0
264	if (pid == R->cmd_pid)
265	exit (EXIT_SUCCESS);
266	#endif
267	}
268
269	/*
270	* Catch a fatal signal and tidy up before quitting
271	*/
272	/* EXTPROTO */
273	RETSIGTYPE
274	rxvt_Exit_signal(int sig)
275	{
276	signal(sig, SIG_DFL);
277	#ifdef DEBUG_CMD
278	rxvt_print_error("signal %d", sig);
279	#endif
280	rxvt_clean_exit();
281	kill(getpid(), sig);
282	}
283
284	/* ARGSUSED */
285	/* INTPROTO */
286	int
287	rxvt_xerror_handler(const Display * display
288	__attribute__ ((unused)), const XErrorEvent * event)
289	{
290	dR;
291
292	if (R->allowedxerror == -1)
293	R->allowedxerror = event->error_code;
294	else
295	{
296	rxvt_print_error("XError: Request: %d . %d, Error: %d",
297	event->request_code, event->minor_code,
298	event->error_code);
299
300	R->destroy ();
301	}
302
303	return 0;
304	}	365	}
305		366
306	/*----------------------------------------------------------------------*/	367	/*----------------------------------------------------------------------*/
307	/*	368	/*
308	* Exit gracefully, clearing the utmp entry and restoring tty attributes	369	* Exit gracefully, clearing the utmp entry and restoring tty attributes
309	* TODO: if debugging, this should free up any known resources if we can	370	* TODO: if debugging, this should free up any known resources if we can
310	*/	371	*/
311	/* EXTPROTO */	372	static XErrorHandler old_xerror_handler;
312	void
313	rxvt_clean_exit ()
314	{
315	dR;
316		373
317	R->destroy ();	374	static void
318	}	375	rxvt_emergency_cleanup ()
319
320	/* ------------------------------------------------------------------------- *
321	* MEMORY ALLOCATION WRAPPERS *
322	* ------------------------------------------------------------------------- */
323	/* EXTPROTO */
324	void *
325	rxvt_malloc(size_t size)
326	{	376	{
327	void *p;	377	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		378	(*t)->emergency_cleanup ();
		379	}
328		380
329	p = malloc(size);	381	#if !ENABLE_MINIMAL
330	if (p)	382	static void
331	return p;	383	print_x_error (Display *dpy, XErrorEvent *event)
		384	{
		385	char buffer[BUFSIZ];
		386	char mesg[BUFSIZ];
		387	char number[32];
		388	const char mtype[] = "XlibMessage";
		389	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		390	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		391	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
		392	rxvt_warn ("%s: %s\n", mesg, buffer);
		393	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		394	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		395	sprintf(number, "%d", event->request_code);
		396	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		397	rxvt_warn ("(which is %s)\n", buffer);
		398	if (event->request_code >= 128) {
		399	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		400	mesg, BUFSIZ);
		401	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		402	}
		403	if ((event->error_code == BadWindow) ||
		404	(event->error_code == BadPixmap) ||
		405	(event->error_code == BadCursor) ||
		406	(event->error_code == BadFont) ||
		407	(event->error_code == BadDrawable) ||
		408	(event->error_code == BadColor) ||
		409	(event->error_code == BadGC) ||
		410	(event->error_code == BadIDChoice) ||
		411	(event->error_code == BadValue) ||
		412	(event->error_code == BadAtom)) {
		413	if (event->error_code == BadValue)
		414	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		415	mesg, BUFSIZ);
		416	else if (event->error_code == BadAtom)
		417	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		418	mesg, BUFSIZ);
		419	else
		420	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		421	mesg, BUFSIZ);
		422	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		423	}
		424	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		425	mesg, BUFSIZ);
		426	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		427	}
		428	#endif
332		429
333	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	430	int
334	rxvt_clean_exit();	431	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		432	{
		433	if (GET_R->allowedxerror == -1)
		434	GET_R->allowedxerror = event->error_code;
		435	else
		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
		440	old_xerror_handler (display, event);
		441	#else
		442	print_x_error (display, event);
		443	#endif
		444	}
		445
		446	return 0;
		447	}
		448
		449	int
		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 ();
335	exit(EXIT_FAILURE);	455	_exit (EXIT_FAILURE);
336	/* NOTREACHED */
337	}	456	}
338		457
339	/* EXTPROTO */	458	static struct sig_handlers
340	void *
341	rxvt_calloc(size_t number, size_t size)
342	{	459	{
343	void *p;	460	ev::sig sw_term, sw_int;
344		461
345	p = calloc(number, size);	462	/*
346	if (p)	463	* Catch a fatal signal and tidy up before quitting
347	return p;	464	*/
		465	void sig_term (ev::sig &w, int revents);
348		466
349	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	467	sig_handlers ()
350	rxvt_clean_exit();	468	{
351	exit(EXIT_FAILURE);	469	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
352	/* NOTREACHED */	470	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
353	}	471	}
		472	} sig_handlers;
354		473
355	/* EXTPROTO */
356	void *
357	rxvt_realloc(void *ptr, size_t size)
358	{
359	void *p;
360
361	if (ptr)
362	p = realloc(ptr, size);
363	else
364	p = malloc(size);
365	if (p)
366	return p;
367
368	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
369	rxvt_clean_exit();
370	exit(EXIT_FAILURE);
371	/* NOTREACHED */
372	}
373
374	/* ------------------------------------------------------------------------- *
375	* PRIVILEGED OPERATIONS *
376	* ------------------------------------------------------------------------- */
377	/* take care of suid/sgid super-user (root) privileges */
378	/* INTPROTO */
379	void	474	void
380	rxvt_privileges(pR_ int mode)	475	sig_handlers::sig_term (ev::sig &w, int revents)
381	{	476	{
382	#if ! defined(__CYGWIN32__)	477	rxvt_emergency_cleanup ();
383	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	478	w.stop ();
384	/* setreuid() is the poor man's setuid(), seteuid() */	479	kill (getpid (), w.signum);
385	# define seteuid(a) setreuid(-1, (a))	480	}
386	# define setegid(a) setregid(-1, (a))	481
387	# define HAVE_SETEUID	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;
388	# endif	504	# endif
389	# ifdef HAVE_SETEUID	505	# ifdef VREPRINT
390	switch (mode) {	506	tio->c_cc[VREPRINT] = CRPRNT;
391	case IGNORE:
392	/*
393	* change effective uid/gid - not real uid/gid - so we can switch
394	* back to root later, as required
395	*/
396	seteuid(getuid());
397	setegid(getgid());
398	break;
399	case SAVE:
400	R->euid = geteuid();
401	R->egid = getegid();
402	break;
403	case RESTORE:
404	seteuid(R->euid);
405	setegid(R->egid);
406	break;
407	}
408	# else
409	switch (mode) {
410	case IGNORE:
411	setuid(getuid());
412	setgid(getgid());
413	/* FALLTHROUGH */
414	case SAVE:
415	/* FALLTHROUGH */
416	case RESTORE:
417	break;
418	}
419	# endif	507	# endif
420	#endif	508	# ifdef VDISCRD
421	}	509	tio->c_cc[VDISCRD] = CFLUSH;
422
423	#ifdef UTMP_SUPPORT
424	/* EXTPROTO */
425	void
426	rxvt_privileged_utmp(pR_ char action)
427	{
428	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
429	action, R->next_utmp_action, getpid()));
430	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
431	|| (R->Options & Opt_utmpInhibit)
432	|| R->ttydev == NULL || *R->ttydev == '\0')
433	return;
434
435	rxvt_privileges(aR_ RESTORE);
436	if (action == SAVE) {
437	R->next_utmp_action = RESTORE;
438	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
439	} else { /* action == RESTORE */
440	R->next_utmp_action = IGNORE;
441	rxvt_cleanutent(aR);
442	}
443	rxvt_privileges(aR_ IGNORE);
444	}
445	#endif
446
447	#ifndef NO_SETOWNER_TTYDEV
448	/* EXTPROTO */
449	void
450	rxvt_privileged_ttydev(pR_ char action)
451	{
452	D_MAIN((stderr,
453	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
454	action, R->next_tty_action, getpid()));
455	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
456	|| R->ttydev == NULL || *R->ttydev == '\0')
457	return;
458
459	rxvt_privileges(aR_ RESTORE);
460
461	if (action == SAVE) {
462	R->next_tty_action = RESTORE;
463	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
464	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
465	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
466	R->next_tty_action = IGNORE;
467	else
468	# endif	510	# endif
469	{	511	# ifdef VWERSE
470	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	512	tio->c_cc[VWERSE] = CWERASE;
471	chmod(R->ttydev, R->ttymode);
472	# ifdef HAVE_REVOKE
473	revoke(R->ttydev);
474	# endif	513	# endif
475	}	514	# ifdef VLNEXT
476	} else { /* action == RESTORE */	515	tio->c_cc[VLNEXT] = CLNEXT;
477	R->next_tty_action = IGNORE;
478	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
479	chmod(R->ttydev, R->ttyfd_stat.st_mode);
480	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
481	# else
482	chmod(R->ttydev,
483	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
484	chown(R->ttydev, 0, 0);
485	# endif	516	# endif
486	}	517	# ifdef VSTATUS
487		518	tio->c_cc[VSTATUS] = CSTATUS;
488	rxvt_privileges(aR_ IGNORE);
489
490	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
491	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
492	action == RESTORE ? "Restoring" : (action ==
493	SAVE ? "Saving" :
494	"UNKNOWN ERROR for"), R->ttydev,
495	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
496	R->ttyfd_stat.st_gid));
497	# endif	519	# endif
498	}	520
		521	# if VMIN != VEOF
		522	tio->c_cc[VMIN] = 1;
499	#endif	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	}
500		580
501	/*----------------------------------------------------------------------*/	581	/*----------------------------------------------------------------------*/
502	/*	582	/*
503	* window size/position calculcations for XSizeHint and other storage.	583	* window size/position calculations for XSizeHint and other storage.
504	* if width/height are non-zero then override calculated width/height	584	* if width/height are non-zero then override calculated width/height
505	*/	585	*/
506	/* EXTPROTO */
507	void	586	void
508	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	587	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
509	{	588	{
510	short recalc_x, recalc_y;	589	short recalc_x, recalc_y;
511	int x, y, sb_w, mb_h, flags;	590	int x, y, flags;
512	unsigned int w, h;	591	unsigned int w, h;
513	unsigned int max_width, max_height;	592	unsigned int max_width, max_height;
514		593
515	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
516	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
517	R->szHint.height));
518	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	594	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
519	R->szHint.win_gravity = NorthWestGravity;	595	szHint.win_gravity = NorthWestGravity;
520	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	596	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
521		597
522	recalc_x = recalc_y = 0;	598	recalc_x = recalc_y = 0;
523	flags = 0;	599	flags = 0;
		600
524	if (!R->parsed_geometry) {	601	if (!parsed_geometry)
		602	{
525	R->parsed_geometry = 1;	603	parsed_geometry = 1;
		604
526	if (R->rs[Rs_geometry])	605	if (rs[Rs_geometry])
527	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	606	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		607
528	if (flags & WidthValue) {	608	if (flags & WidthValue)
529	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	609	{
		610	if (!w)
		611	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		612
		613	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
530	R->szHint.flags |= USSize;	614	szHint.flags |= USSize;
531	}	615	}
		616
532	if (flags & HeightValue) {	617	if (flags & HeightValue)
533	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	618	{
		619	if (!h)
		620	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		621
		622	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
534	R->szHint.flags |= USSize;	623	szHint.flags |= USSize;
535	}	624	}
		625
536	if (flags & XValue) {	626	if (flags & XValue)
		627	{
537	R->szHint.x = x;	628	szHint.x = x;
538	R->szHint.flags |= USPosition;	629	szHint.flags |= USPosition;
		630
539	if (flags & XNegative) {	631	if (flags & XNegative)
		632	{
540	recalc_x = 1;	633	recalc_x = 1;
541	R->szHint.win_gravity = NorthEastGravity;	634	szHint.win_gravity = NorthEastGravity;
542	}	635	}
543	}	636	}
		637
544	if (flags & YValue) {	638	if (flags & YValue)
		639	{
545	R->szHint.y = y;	640	szHint.y = y;
546	R->szHint.flags |= USPosition;	641	szHint.flags |= USPosition;
		642
547	if (flags & YNegative) {	643	if (flags & YNegative)
		644	{
548	recalc_y = 1;	645	recalc_y = 1;
		646
549	if (R->szHint.win_gravity == NorthEastGravity)	647	if (szHint.win_gravity == NorthEastGravity)
550	R->szHint.win_gravity = SouthEastGravity;	648	szHint.win_gravity = SouthEastGravity;
551	else	649	else
552	R->szHint.win_gravity = SouthWestGravity;	650	szHint.win_gravity = SouthWestGravity;
553	}	651	}
554	}	652	}
555	}	653	}
		654
556	/* TODO: BOUNDS */	655	/* TODO: BOUNDS */
557	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	656	width = ncol * fwidth;
558	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	657	height = nrow * fheight;
559	max_width = MAX_COLS * R->TermWin.fwidth;	658	max_width = MAX_COLS * fwidth;
560	max_height = MAX_ROWS * R->TermWin.fheight;	659	max_height = MAX_ROWS * fheight;
561		660
562	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	661	szHint.base_width = szHint.base_height = 2 * int_bwidth;
563		662
564	sb_w = mb_h = 0;
565	R->window_vt_x = R->window_vt_y = 0;	663	window_vt_x = window_vt_y = int_bwidth;
566	if (scrollbar_visible(R)) {	664
		665	if (scrollBar.state)
		666	{
567	sb_w = scrollbar_TotalWidth();	667	int sb_w = scrollBar.total_width ();
568	R->szHint.base_width += sb_w;	668	szHint.base_width += sb_w;
		669
569	if (!(R->Options & Opt_scrollBar_right))	670	if (!option (Opt_scrollBar_right))
570	R->window_vt_x = sb_w;	671	window_vt_x += sb_w;
571	}	672	}
572	if (menubar_visible(R)) {	673
573	mb_h = menuBar_TotalHeight();
574	R->szHint.base_height += mb_h;
575	R->window_vt_y = mb_h;
576	}
577	R->szHint.width_inc = R->TermWin.fwidth;	674	szHint.width_inc = fwidth;
578	R->szHint.height_inc = R->TermWin.fheight;	675	szHint.height_inc = fheight;
579	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	676	szHint.min_width = szHint.base_width + szHint.width_inc;
580	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	677	szHint.min_height = szHint.base_height + szHint.height_inc;
581		678
582	if (width && width - R->szHint.base_width < max_width) {	679	if (newwidth && newwidth - szHint.base_width < max_width)
		680	{
583	R->szHint.width = width;	681	szHint.width = newwidth;
584	R->TermWin.width = width - R->szHint.base_width;	682	width = newwidth - szHint.base_width;
585	} else {	683	}
586	MIN_IT(R->TermWin.width, max_width);	684	else
		685	{
		686	min_it (width, max_width);
587	R->szHint.width = R->szHint.base_width + R->TermWin.width;	687	szHint.width = szHint.base_width + width;
588	}	688	}
		689
589	if (height && height - R->szHint.base_height < max_height) {	690	if (newheight && newheight - szHint.base_height < max_height)
		691	{
590	R->szHint.height = height;	692	szHint.height = newheight;
591	R->TermWin.height = height - R->szHint.base_height;	693	height = newheight - szHint.base_height;
592	} else {	694	}
593	MIN_IT(R->TermWin.height, max_height);	695	else
		696	{
		697	min_it (height, max_height);
594	R->szHint.height = R->szHint.base_height + R->TermWin.height;	698	szHint.height = szHint.base_height + height;
595	}	699	}
596	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
597	R->window_sb_x = R->szHint.width - sb_w;
598		700
599	if (recalc_x)	701	if (recalc_x)
600	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	702	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
601	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	703
602	if (recalc_y)	704	if (recalc_y)
603	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	705	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
604	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
605		706
606	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	707	ncol = width / fwidth;
607	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	708	nrow = height / fheight;
608	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
609	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
610	R->szHint.height));
611	return;
612	}	709	}
613		710
614	/*----------------------------------------------------------------------*/	711	/*----------------------------------------------------------------------*/
615	/*	712	/*
616	* Tell the teletype handler what size the window is.	713	* Tell the teletype handler what size the window is.
617	* Called after a window size change.	714	* Called after a window size change.
618	*/	715	*/
619	/* EXTPROTO */
620	void	716	void
621	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	717	rxvt_term::tt_winch ()
622	{	718	{
		719	if (pty->pty < 0)
		720	return;
		721
623	struct winsize ws;	722	struct winsize ws;
624		723
625	if (fd < 0)
626	return;
627	ws.ws_col = col;	724	ws.ws_col = ncol;
628	ws.ws_row = row;	725	ws.ws_row = nrow;
629	ws.ws_xpixel = ws.ws_ypixel = 0;	726	ws.ws_xpixel = width;
630	#ifndef DEBUG_SIZE	727	ws.ws_ypixel = height;
631	(void)ioctl(fd, TIOCSWINSZ, &ws);	728	ioctl (pty->pty, TIOCSWINSZ, &ws);
632	#else	729
633	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	730	#if 0
634	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	731	// TIOCSWINSZ is supposed to do this automatically and correctly
635	}
636	# ifdef SIGWINCH
637	else if (pid) /* force through to the command */	732	if (cmd_pid) /* force through to the command */
638	kill(pid, SIGWINCH);	733	kill (-cmd_pid, SIGWINCH);
639	# endif
640	#endif	734	#endif
641	}	735	}
642		736
643	/*----------------------------------------------------------------------*/	737	/*----------------------------------------------------------------------*/
644	/* rxvt_change_font() - Switch to a new font */	738	/* set_fonts () - load and set the various fonts
645	/*	739	*
646	* init = 1 - initialize	740	* init = 1 - initialize
647	*	741	*
648	* fontname == FONT_UP - switch to bigger font	742	* fontname == FONT_UP - switch to bigger font
649	* fontname == FONT_DN - switch to smaller font	743	* fontname == FONT_DN - switch to smaller font
650	*/	744	*/
651	/* EXTPROTO */	745	bool
652	void	746	rxvt_term::set_fonts ()
653	rxvt_change_font(pR_ int init, const char *fontname)
654	{	747	{
655	}	748	rxvt_fontset *fs = new rxvt_fontset (this);
		749	rxvt_fontprop prop;
656		750
657	/* INTPROTO */	751	if (!fs
		752	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		753	|| !fs->realize_font (1))
		754	{
		755	delete fs;
		756	return false;
		757	}
		758
		759	#if ENABLE_STYLES
		760	for (int i = RS_styleCount; --i; )
		761	if (fontset[i] != fontset[0])
		762	delete fontset[i];
		763	#endif
		764
		765	delete fontset[0];
		766	fontset[0] = fs;
		767
		768	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		769	prop.height += lineSpace;
		770	prop.width += letterSpace;
		771
		772	fs->set_prop (prop, false);
		773
		774	fwidth = prop.width;
		775	fheight = prop.height;
		776	fbase = prop.ascent;
		777
		778	for (int style = 1; style < 4; style++)
		779	{
		780	#if ENABLE_STYLES
		781	const char *res = rs[Rs_font + style];
		782
		783	if (res && !*res)
		784	fontset[style] = fontset[0];
		785	else
		786	{
		787	fontset[style] = fs = new rxvt_fontset (this);
		788	rxvt_fontprop prop2 = prop;
		789
		790	if (res)
		791	{
		792	fs->populate (res);
		793	fs->set_prop (prop2, false);
		794	}
		795	else
		796	{
		797	fs->populate (fontset[0]->fontdesc);
		798
		799	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		800	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		801
		802	fs->set_prop (prop2, true);
		803	}
		804
		805	}
		806	#else
		807	fontset[style] = fontset[0];
		808	#endif
		809	}
		810
		811	if (parent[0])
		812	{
		813	resize_all_windows (0, 0, 0);
		814	scr_remap_chars ();
		815	scr_touch (true);
		816	}
		817
		818	return true;
		819	}
		820
658	void	821	void
659	rxvt_font_up_down(pR_ int n, int direction)	822	rxvt_term::set_string_property (Atom prop, const char *str, int len)
660	{	823	{
		824	XChangeProperty (dpy, parent[0],
		825	prop, XA_STRING, 8, PropModeReplace,
		826	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		827	}
		828
		829	void
		830	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		831	{
		832	XTextProperty ct;
		833
		834	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		835	{
		836	XSetTextProperty (dpy, parent[0], &ct, prop);
		837	XFree (ct.value);
		838	}
		839	}
		840
		841	void
		842	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		843	{
		844	wchar_t *ws = rxvt_mbstowcs (str, len);
		845	char *s = rxvt_wcstoutf8 (ws);
		846
		847	XChangeProperty (dpy, parent[0],
		848	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		849	(const unsigned char *)s, strlen (s));
		850
		851	free (s);
		852	free (ws);
661	}	853	}
662		854
663	/*----------------------------------------------------------------------*/	855	/*----------------------------------------------------------------------*/
664	/*----------------------------------------------------------------------*/	856	/*----------------------------------------------------------------------*/
665	/* xterm sequences - title, iconName, color (exptl) */	857	/* xterm sequences - title, iconName, color (exptl) */
666	/* EXTPROTO */
667	void	858	void
668	rxvt_set_title(pR_ const char *str)	859	rxvt_term::set_title (const char *str)
669	{	860	{
670	#ifndef SMART_WINDOW_TITLE	861	set_mbstring_property (XA_WM_NAME, str);
671	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	862	#if ENABLE_EWMH
672	#else	863	set_utf8_property (xa[XA_NET_WM_NAME], str);
673	char *name;
674
675	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
676	name = NULL;
677	if (name == NULL || STRCMP(name, str))
678	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
679	if (name)
680	XFree(name);
681	#endif	864	#endif
682	}	865	}
683		866
684	/* EXTPROTO */
685	void	867	void
686	rxvt_set_iconName(pR_ const char *str)	868	rxvt_term::set_icon_name (const char *str)
687	{	869	{
688	#ifndef SMART_WINDOW_TITLE	870	set_mbstring_property (XA_WM_ICON_NAME, str);
689	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	871	#if ENABLE_EWMH
690	#else	872	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
691	char *name;
692
693	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
694	name = NULL;
695	if (name == NULL || STRCMP(name, str))
696	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
697	if (name)
698	XFree(name);
699	#endif	873	#endif
700	}	874	}
701		875
		876	void
		877	rxvt_term::set_window_color (int idx, const char *color)
		878	{
702	#ifdef XTERM_COLOR_CHANGE	879	#ifdef XTERM_COLOR_CHANGE
703	/* EXTPROTO */
704	void
705	rxvt_set_window_color(pR_ int idx, const char *color)
706	{
707	rxvt_color xcol;	880	rxvt_color xcol;
708	int i;
709		881
710	if (color == NULL || *color == '\0')	882	if (color == NULL || *color == '\0')
711	return;	883	return;
712		884
		885	color = strdup (color);
		886	allocated.push_back ((void *)color);
		887	rs[Rs_color + idx] = color;
		888
713	/* handle color aliases */	889	/* handle color aliases */
714	if (isdigit(*color)) {	890	if (isdigit (*color))
		891	{
715	i = atoi(color);	892	int i = atoi (color);
716	if (i >= 8 && i <= 15) { /* bright colors */	893
717	i -= 8;	894	if (i >= 8 && i <= 15)
718	# ifndef NO_BRIGHTCOLOR	895	{
719	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	896	/* bright colors */
720	SET_PIXCOLOR(R, idx);	897	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
721	goto Done;	898	goto done;
722	# endif
723	}	899	}
724	if (i >= 0 && i <= 7) { /* normal colors */	900
725	R->PixColors[idx] = R->PixColors[minCOLOR + i];	901	if (i >= 0 && i <= 7)
726	SET_PIXCOLOR(R, idx);	902	{
		903	/* normal colors */
		904	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
727	goto Done;	905	goto done;
728	}	906	}
729	}	907	}
730	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
731	return;
732	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
733		908
734	/*	909	set_color (xcol, color);
		910
		911	/*
735	* FIXME: should free colors here, but no idea how to do it so instead,	912	* FIXME: should free colors here, but no idea how to do it so instead,
736	* so just keep gobbling up the colormap	913	* so just keep gobbling up the colormap
737	*/	914	*/
738	# if 0
739	for (i = Color_Black; i <= Color_White; i++)
740	if (R->PixColors[idx] == R->PixColors[i])
741	break;
742	if (i > Color_White) {
743	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
744	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
745	DisplayPlanes(R->Xdisplay, Xscreen));
746	}
747	# endif
748		915
749	R->PixColors[idx] = xcol;	916	pix_colors_focused[idx] = xcol;
750	SET_PIXCOLOR(R, idx);
751		917
752	/* XSetWindowAttributes attr; */	918	done:
753	/* Cursor cursor; */
754	Done:
755	if (idx == Color_bg && !(R->Options & Opt_transparent))
756	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
757	R->PixColors[Color_bg]);
758
759	/* handle Color_BD, scrollbar background, etc. */	919	/*TODO: handle Color_BD, scrollbar background, etc. */
760		920
761	rxvt_set_colorfgbg(aR);	921	update_fade_color (idx);
762	rxvt_recolour_cursor(aR);	922	recolour_cursor ();
763	/* the only reasonable way to enforce a clean update */	923	scr_recolour ();
764	rxvt_scr_poweron(aR);	924	#endif /* XTERM_COLOR_CHANGE */
765	}	925	}
766		926
767	#else
768	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
769	#endif /* XTERM_COLOR_CHANGE */
770
771	/* EXTPROTO */
772	void	927	void
773	rxvt_recolour_cursor(pR)	928	rxvt_term::recolour_cursor ()
774	{	929	{
775	rxvt_color xcol[2];	930	XColor fg, bg;
776		931
777	#if TODO	932	(ISSET_PIXCOLOR (Color_pointer_fg)
778	xcol[0] = R->PixColors[Color_pointer];	933	? pix_colors_focused[Color_pointer_fg]
779	xcol[1] = R->PixColors[Color_bg];	934	: pix_colors_focused[Color_fg]).get (fg);
780	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	935
781	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	936	(ISSET_PIXCOLOR (Color_pointer_bg)
782	#endif	937	? pix_colors_focused[Color_pointer_bg]
		938	: pix_colors_focused[Color_bg]).get (bg);
		939
		940	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
783	}	941	}
784		942
785	/*----------------------------------------------------------------------*/	943	/*----------------------------------------------------------------------*/
786	/*	944	/*
787	* find if fg/bg matches any of the normal (low-intensity) colors	945	* find if fg/bg matches any of the normal (low-intensity) colors
788	*/	946	*/
789	/* INTPROTO */
790	void	947	void
791	rxvt_set_colorfgbg(pR)	948	rxvt_term::set_colorfgbg ()
792	{	949	{
793	unsigned int i;	950	unsigned int i;
794	const char *xpmb = "\0";	951	const char *xpmb = "";
795	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	952	char fstr[] = "default";
		953	char bstr[] = "default";
796		954
797	R->env_colorfgbg =
798	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
799	STRCPY(fstr, "default");
800	STRCPY(bstr, "default");
801	for (i = Color_Black; i <= Color_White; i++)	955	for (i = Color_Black; i <= Color_White; i++)
802	if (R->PixColors[Color_fg] == R->PixColors[i]) {	956	if (pix_colors[Color_fg] == pix_colors[i])
		957	{
803	sprintf(fstr, "%d", (i - Color_Black));	958	sprintf (fstr, "%d", i - Color_Black);
804	break;	959	break;
805	}	960	}
		961
806	for (i = Color_Black; i <= Color_White; i++)	962	for (i = Color_Black; i <= Color_White; i++)
807	if (R->PixColors[Color_bg] == R->PixColors[i]) {	963	if (pix_colors[Color_bg] == pix_colors[i])
		964	{
808	sprintf(bstr, "%d", (i - Color_Black));	965	sprintf (bstr, "%d", i - Color_Black);
809	#ifdef XPM_BACKGROUND	966	#ifdef BG_IMAGE_FROM_FILE
810	xpmb = "default;";	967	xpmb = "default;";
811	#endif	968	#endif
812	break;	969	break;
813	}	970	}
		971
814	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	972	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
815	putenv(R->env_colorfgbg);
816
817	#ifndef NO_BRIGHTCOLOR
818	R->colorfgbg = DEFAULT_RSTYLE;
819	for (i = minCOLOR; i <= maxCOLOR; i++) {
820	if (R->PixColors[Color_fg] == R->PixColors[i])
821	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
822	if (R->PixColors[Color_bg] == R->PixColors[i])
823	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
824	}
825	#endif
826	}	973	}
827		974
828	/*----------------------------------------------------------------------*/	975	/*----------------------------------------------------------------------*/
829	/*
830	* Colour determination for low colour displays, routine from
831	* Hans de Goede <hans@highrise.nl>
832	*/
833		976
834	/* EXTPROTO */	977	bool
835	int	978	rxvt_term::set_color (rxvt_color &color, const char *name)
836	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
837	{	979	{
838	screen_in_out->set(aR_ colour);	980	if (color.set (this, name))
839
840	if (!screen_in_out->set(aR_ colour)) {
841	rxvt_print_error("can't allocate colour: %s", colour);
842	return false;
843	}
844
845	return true;	981	return true;
		982
		983	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		984	return false;
		985	}
		986
		987	void
		988	rxvt_term::alias_color (int dst, int src)
		989	{
		990	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
846	}	991	}
847		992
848	/* -------------------------------------------------------------------- *	993	/* -------------------------------------------------------------------- *
849	* - WINDOW RESIZING - *	994	* - WINDOW RESIZING - *
850	* -------------------------------------------------------------------- */	995	* -------------------------------------------------------------------- */
851	/* EXTPROTO */
852	void	996	void
853	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	997	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
854	int ignoreparent)
855	{	998	{
856	int fix_screen;	999	int fix_screen;
		1000	int old_width = szHint.width;
		1001	int old_height = szHint.height;
857		1002
		1003	window_calc (newwidth, newheight);
		1004
		1005	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1006
		1007	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1008	if (set_hint)
		1009	{
		1010	szHint.flags &= ~(PBaseSize | PResizeInc);
		1011	XSetWMNormalHints (dpy, parent[0], &szHint);
		1012	szHint.flags |= PBaseSize | PResizeInc;
		1013	}
		1014
		1015	if (!ignoreparent)
		1016	{
858	#ifdef SMART_RESIZE	1017	#ifdef SMART_RESIZE
859	int old_width = R->szHint.width, old_height = R->szHint.height;	1018	/*
860	#endif
861
862	rxvt_window_calc(aR_ width, height);
863	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
864	if (!ignoreparent) {
865	#ifdef SMART_RESIZE
866	/*
867	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1019	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
868	* reposition window on resize depending on placement on screen	1020	* reposition window on resize depending on placement on screen
869	*/	1021	*/
870	int x, y, x1, y1;	1022	int x, y, x1, y1;
871	int dx, dy;	1023	int dx, dy;
872	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1024	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
873	Window unused_cr;	1025	Window unused_cr;
874		1026
875	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1027	XTranslateCoordinates (dpy, parent[0], display->root,
876	0, 0, &x, &y, &unused_cr);	1028	0, 0, &x, &y, &unused_cr);
877	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1029	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
878	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1030	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
879	/*	1031	/*
880	* if Xroot isn't the parent window, a WM will probably have offset	1032	* if display->root isn't the parent window, a WM will probably have offset
881	* our position for handles and decorations. Counter it	1033	* our position for handles and decorations. Counter it
882	*/	1034	*/
883	if (x1 != x || y1 != y) {	1035	if (x1 != x || y1 != y)
		1036	{
884	x -= x1;	1037	x -= x1;
885	y -= y1;	1038	y -= y1;
886	}	1039	}
887		1040
888	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1041	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
889	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1042	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
890	dx = old_width - R->szHint.width;	1043	dx = old_width - szHint.width;
891	dy = old_height - R->szHint.height;	1044	dy = old_height - szHint.height;
892		1045
893	/* Check position of the center of the window */	1046	/* Check position of the center of the window */
894	if (x < x1) /* left half */	1047	if (x < x1) /* left half */
895	dx = 0;	1048	dx = 0;
896	else if (x == x1) /* exact center */	1049	else if (x == x1) /* exact center */
897	dx /= 2;	1050	dx /= 2;
898	if (y < y1) /* top half */	1051	if (y < y1) /* top half */
899	dy = 0;	1052	dy = 0;
900	else if (y == y1) /* exact center */	1053	else if (y == y1) /* exact center */
901	dy /= 2;	1054	dy /= 2;
902		1055
903	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1056	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
904	R->szHint.width, R->szHint.height);	1057	szHint.width, szHint.height);
905	#else	1058	#else
906	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1059	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
907	R->szHint.height);
908	#endif	1060	#endif
909	}	1061	}
910		1062
911	fix_screen = (R->TermWin.ncol != R->prev_ncol	1063	if (set_hint)
912	|| R->TermWin.nrow != R->prev_nrow);	1064	XSetWMNormalHints (dpy, parent[0], &szHint);
		1065
		1066	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1067
913	if (fix_screen || width != R->old_width || height != R->old_height) {	1068	if (fix_screen || newwidth != old_width || newheight != old_height)
914	if (scrollbar_visible(R)) {
915	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
916	0, scrollbar_TotalWidth(), R->szHint.height);
917	rxvt_Resize_scrollBar(aR);
918	}
919	if (menubar_visible(R))
920	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
921	0, TermWin_TotalWidth(), menuBar_TotalHeight());
922	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
923	R->window_vt_y, TermWin_TotalWidth(),
924	TermWin_TotalHeight());
925	#ifdef RXVT_GRAPHICS
926	if (R->old_height)
927	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
928	R->old_height - R->szHint.base_height);
929	#endif
930	rxvt_scr_clear(aR);
931	#ifdef XPM_BACKGROUND
932	rxvt_resize_pixmap(aR);
933	#endif
934	}	1069	{
		1070	if (scrollBar.state)
		1071	scrollBar.resize ();
935		1072
		1073	XMoveResizeWindow (dpy, vt,
		1074	window_vt_x, window_vt_y,
		1075	width, height);
		1076
		1077	#ifdef HAVE_BG_PIXMAP
		1078	if (bg_window_size_sensitive ())
		1079	update_background ();
		1080	#endif
		1081	}
		1082
936	if (fix_screen || R->old_height == 0) {	1083	if (fix_screen || old_height == 0)
937	int curr_screen = -1;	1084	scr_reset ();
938	uint16_t old_ncol = R->prev_ncol;
939
940	/* scr_reset only works on the primary screen */
941	if (R->old_height) /* this is not the first time through */
942	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
943	rxvt_scr_reset(aR);
944	if (curr_screen >= 0) { /* this is not the first time through */
945	rxvt_scr_change_screen(aR_ curr_screen);
946	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
947	}
948	}
949
950	R->old_width = R->szHint.width;
951	R->old_height = R->szHint.height;
952		1085
953	#ifdef USE_XIM	1086	#ifdef USE_XIM
954	rxvt_IMSetStatusPosition(aR);	1087	IMSetPosition ();
955	#endif	1088	#endif
956	}	1089	}
957		1090
958	/*	1091	/*
959	* Set the width/height of the vt window in characters. Units are pixels.	1092	* Set the width/height of the vt window in characters. Units are pixels.
960	* good for toggling 80/132 columns	1093	* good for toggling 80/132 columns
961	*/	1094	*/
962	/* EXTPROTO */
963	void	1095	void
964	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1096	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
965	{	1097	{
966	XWindowAttributes wattr;	1098	XWindowAttributes wattr;
967		1099
968	if (width == 0 || height == 0) {	1100	if (newwidth == 0 || newheight == 0)
		1101	{
969	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1102	XGetWindowAttributes (dpy, display->root, &wattr);
		1103
970	if (width == 0)	1104	if (newwidth == 0)
971	width = wattr.width - R->szHint.base_width;	1105	newwidth = wattr.width - szHint.base_width;
972	if (height == 0)	1106	if (newheight == 0)
973	height = wattr.height - R->szHint.base_height;	1107	newheight = wattr.height - szHint.base_height;
		1108	}
		1109
		1110	if (newwidth != width || newheight != height)
974	}	1111	{
975	if (width != R->TermWin.width || height != R->TermWin.height) {
976	width += R->szHint.base_width;	1112	newwidth += szHint.base_width;
977	height += R->szHint.base_height;	1113	newheight += szHint.base_height;
978	rxvt_resize_all_windows(aR_ width, height, 0);	1114	resize_all_windows (newwidth, newheight, 0);
979	}	1115	}
980	}	1116	}
981		1117
982	/* -------------------------------------------------------------------- *	1118	/* -------------------------------------------------------------------- *
983	* - X INPUT METHOD ROUTINES - *	1119	* - X INPUT METHOD ROUTINES - *
984	* -------------------------------------------------------------------- */	1120	* -------------------------------------------------------------------- */
985	#ifdef USE_XIM	1121	#ifdef USE_XIM
986	/* INTPROTO */
987	void
988	rxvt_setSize(pR_ XRectangle * size)
989	{
990	size->x = R->TermWin.int_bwidth;
991	size->y = R->TermWin.int_bwidth;
992	size->width = Width2Pixel(R->TermWin.ncol);
993	size->height = Height2Pixel(R->TermWin.nrow);
994	}
995		1122
996	/* INTPROTO */
997	void	1123	void
998	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1124	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
999	{	1125	{
1000	*fg = R->PixColors[Color_fg];	1126	fg = pix_colors [Color_fg];
1001	*bg = R->PixColors[Color_bg];	1127	bg = pix_colors [Color_bg];
		1128	}
		1129
		1130	void
		1131	rxvt_term::im_set_size (XRectangle &size)
		1132	{
		1133	// the int_bwidth terms make no sense to me
		1134	size.x = int_bwidth;
		1135	size.y = int_bwidth;
		1136	size.width = Width2Pixel (ncol) + int_bwidth;
		1137	size.height = Height2Pixel (nrow) + int_bwidth;
		1138	}
		1139
		1140	void
		1141	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1142	XRectangle &status_rect,
		1143	const XRectangle &needed_rect)
		1144	{
		1145	preedit_rect.x = needed_rect.width;
		1146	preedit_rect.y = 0;
		1147	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1148	preedit_rect.height = fheight;
		1149
		1150	status_rect.x = 0;
		1151	status_rect.y = 0;
		1152	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1153	status_rect.height = fheight;
1002	}	1154	}
1003		1155
1004	/* Checking whether input method is running. */	1156	/* Checking whether input method is running. */
1005	/* INTPROTO */
1006	Bool	1157	bool
1007	rxvt_IMisRunning(pR)	1158	rxvt_term::IMisRunning ()
1008	{	1159	{
1009	char *p;	1160	Atom atom;
1010	Atom atom;	1161	Window win;
1011	Window win;
1012	char server[IMBUFSIZ];	1162	char server[IMBUFSIZ];
1013		1163
1014	/* get current locale modifier */	1164	/* get current locale modifier */
1015	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1165	if (char *p = XSetLocaleModifiers (0))
		1166	{
1016	STRCPY(server, "@server=");	1167	strcpy (server, "@server=");
1017	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1168	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1169
1018	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1170	if (p = strchr (server + 1, '@')) /* first one only */
1019	*p = '\0';	1171	*p = '\0';
1020		1172
1021	atom = XInternAtom(R->Xdisplay, server, False);	1173	atom = XInternAtom (dpy, server, False);
1022	win = XGetSelectionOwner(R->Xdisplay, atom);	1174	win = XGetSelectionOwner (dpy, atom);
		1175
1023	if (win != None)	1176	if (win != None)
1024	return True;	1177	return true;
1025	}	1178	}
		1179
1026	return False;	1180	return false;
1027	}	1181	}
1028		1182
1029	/* EXTPROTO */
1030	void	1183	void
1031	rxvt_IMSendSpot(pR)	1184	rxvt_term::IMSendSpot ()
1032	{	1185	{
1033	XPoint spot;	1186	XPoint nspot;
1034	XVaNestedList preedit_attr;	1187	XVaNestedList preedit_attr;
1035		1188
1036	if (R->Input_Context == NULL	1189	if (!Input_Context
1037	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1190	|| !focus
1038	|| !(R->event_type == KeyPress	1191	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1039	|| R->event_type == Expose
1040	|| R->event_type == NoExpose
1041	|| R->event_type == SelectionNotify
1042	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1043	|| !rxvt_IMisRunning(aR))
1044	return;	1192	return;
1045		1193
1046	rxvt_setPosition(aR_ & spot);	1194	im_set_position (nspot);
1047		1195
		1196	if (nspot.x == spot.x && nspot.y == spot.y)
		1197	return;
		1198
		1199	spot = nspot;
		1200
1048	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1201	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1049	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1202	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1050	XFree(preedit_attr);	1203	XFree (preedit_attr);
1051	}	1204	}
1052		1205
1053	/* EXTPROTO */
1054	void	1206	void
1055	rxvt_setTermFontSet(pR_ int idx)	1207	rxvt_term::im_destroy ()
1056	{	1208	{
1057	char *string;	1209	if (input_method)
1058	long length;	1210	{
1059	int success = 0;	1211	if (Input_Context && input_method->xim)
		1212	XDestroyIC (Input_Context);
1060		1213
1061	if (idx < 0 || idx >= MAX_NFONTS)	1214	display->put_xim (input_method);
1062	return;	1215	input_method = 0;
1063	}	1216	}
1064		1217
1065	/* INTPROTO */
1066	void
1067	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1068	XRectangle * needed_rect)
1069	{
1070	int mbh, vtx = 0;
1071
1072	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1073	vtx = scrollbar_TotalWidth();
1074	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1075	mbh -= R->TermWin.lineSpace;
1076
1077	preedit_rect->x = needed_rect->width + vtx;
1078	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1079
1080	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1081	+ vtx;
1082	preedit_rect->height = Height2Pixel(1);
1083
1084	status_rect->x = vtx;
1085	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1086
1087	status_rect->width = needed_rect->width ? needed_rect->width
1088	: Width2Pixel(R->TermWin.ncol + 1);
1089	status_rect->height = Height2Pixel(1);
1090	}
1091
1092	/* ARGSUSED */
1093	/* INTPROTO */
1094	void
1095	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1096	__attribute__ ((unused)), XPointer call_data
1097	__attribute__ ((unused)))
1098	{
1099	dR;
1100
1101	R->Input_Context = NULL;	1218	Input_Context = 0;
1102	/* To avoid Segmentation Fault in C locale: Solaris only? */
1103	if (STRCMP(R->locale, "C"))
1104	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1105	rxvt_IMInstantiateCallback, NULL);
1106	}	1219	}
1107		1220
1108	/*	1221	#ifdef ENABLE_XIM_ONTHESPOT
1109	* X manual pages and include files don't match on some systems:
1110	* some think this is an XIDProc and others an XIMProc so we can't
1111	* use the first argument - need to update this to be nice for
1112	* both types via some sort of configure detection
1113	*/
1114	/* ARGSUSED */
1115	/* EXTPROTO */
1116	void
1117	rxvt_IMInstantiateCallback(Display * unused
1118	__attribute__ ((unused)), XPointer client_data
1119	__attribute__ ((unused)), XPointer call_data
1120	__attribute__ ((unused)))
1121	{
1122	dR;
1123	int i, found, had_im;
1124	const char *p;
1125	char **s;
1126	char buf[IMBUFSIZ];
1127		1222
1128	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1223	static void
1129	if (R->Input_Context)	1224	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1130	return;	1225	{
		1226	((rxvt_term *)client_data)->make_current ();
		1227	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1228	}
1131		1229
1132	found = had_im = 0;	1230	static void
1133	p = R->rs[Rs_inputMethod];	1231	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1134	if (p && *p) {	1232	{
1135	had_im = 1;	1233	((rxvt_term *)client_data)->make_current ();
1136	s = rxvt_splitcommastring(p);	1234	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1137	for (i = 0; s[i]; i++) {	1235	}
1138	if (*s[i]) {	1236
1139	STRCPY(buf, "@im=");	1237	static void
1140	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1238	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1141	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1239	{
1142	&& (rxvt_IM_get_IC(aR) == True)) {	1240	rxvt_term *term = (rxvt_term *)client_data;
1143	found = 1;	1241	XIMText *text = call_data->text;
1144	break;	1242
1145	}	1243	term->make_current ();
1146	}	1244
		1245	if (text)
		1246	{
		1247	wchar_t *str;
		1248
		1249	if (!text->encoding_is_wchar && text->string.multi_byte)
		1250	{
		1251	// of course, X makes it ugly again
		1252	if (term->rs[Rs_imLocale])
		1253	SET_LOCALE (term->rs[Rs_imLocale]);
		1254
		1255	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1256	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1257
		1258	if (term->rs[Rs_imLocale])
		1259	SET_LOCALE (term->locale);
1147	}	1260	}
1148	for (i = 0; s[i]; i++)	1261	else
1149	free(s[i]);	1262	str = text->string.wide_char;
1150	free(s);
1151	}
1152	if (found)
1153	return;
1154		1263
1155	/* try with XMODIFIERS env. var. */	1264	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1156	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1265	DT_INT, call_data->caret,
1157	rxvt_IM_get_IC(aR);	1266	DT_INT, call_data->chg_first,
1158	return;	1267	DT_INT, call_data->chg_length,
		1268	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1269	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1270	DT_END));
1159	}	1271	}
1160		1272	else
1161	/* try with no modifiers base IF the user didn't specify an IM */	1273	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1162	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1274	DT_INT, call_data->caret,
1163	&& rxvt_IM_get_IC(aR) == True)	1275	DT_INT, call_data->chg_first,
1164	return;	1276	DT_INT, call_data->chg_length,
		1277	DT_END));
1165	}	1278	}
		1279
		1280	#if 0
		1281	static void
		1282	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1283	{
		1284	((rxvt_term *)client_data)->make_current ();
		1285	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1286	DT_INT, call_data->position,
		1287	DT_INT, call_data->direction,
		1288	DT_INT, call_data->style,
		1289	DT_END));
		1290	}
		1291	#endif
		1292
		1293	#endif
1166		1294
1167	/*	1295	/*
1168	* Try to open a XIM with the current modifiers, then see if we can	1296	* Try to open a XIM with the current modifiers, then see if we can
1169	* open a suitable preedit type	1297	* open a suitable preedit type
1170	*/	1298	*/
1171	/* INTPROTO */
1172	Bool	1299	bool
1173	rxvt_IM_get_IC(pR)	1300	rxvt_term::IM_get_IC (const char *modifiers)
1174	{	1301	{
1175	int i, j, found;	1302	int i, j, found;
1176	XIM xim;	1303	XIM xim;
1177	XPoint spot;	1304	XPoint spot;
1178	XRectangle rect, status_rect, needed_rect;	1305	XRectangle rect, status_rect, needed_rect;
1179	unsigned long fg, bg;	1306	unsigned long fg, bg;
1180	const char *p;	1307	const char *p;
1181	char **s;	1308	char **s;
1182	XIMStyles *xim_styles;	1309	XIMStyles *xim_styles;
1183	XVaNestedList preedit_attr, status_attr;	1310	#ifdef ENABLE_XIM_ONTHESPOT
1184	XIMCallback ximcallback;	1311	XIMCallback xcb[4];
		1312	#endif
1185		1313
1186	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1314	set_environ (envv);
1187	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1315
1188	if (xim == NULL)	1316	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1189	return False;	1317	return false;
1190		1318
		1319	input_method = display->get_xim (locale, modifiers);
		1320	if (input_method == NULL)
		1321	return false;
		1322
		1323	xim = input_method->xim;
		1324	spot.x = spot.y = -1;
		1325
1191	xim_styles = NULL;	1326	xim_styles = NULL;
1192	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1327	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1193	|| !xim_styles || !xim_styles->count_styles) {	1328	|| !xim_styles || !xim_styles->count_styles)
1194	XCloseIM(xim);	1329	{
		1330	im_destroy ();
1195	return False;	1331	return false;
		1332	}
		1333
		1334	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1335
		1336	for (int pi = 0; pi < 2; pi++)
1196	}	1337	{
		1338	p = pet[pi];
1197		1339
1198	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1340	if (!p)
1199	: "OverTheSpot,OffTheSpot,Root";	1341	continue;
1200	s = rxvt_splitcommastring(p);	1342
		1343	s = rxvt_strsplit (',', p);
		1344
1201	for (i = found = 0; !found && s[i]; i++) {	1345	for (i = found = 0; !found && s[i]; i++)
		1346	{
1202	if (!STRCMP(s[i], "OverTheSpot"))	1347	if (!strcmp (s[i], "OverTheSpot"))
1203	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1348	input_style = XIMPreeditPosition | XIMStatusNothing;
1204	else if (!STRCMP(s[i], "OffTheSpot"))	1349	else if (!strcmp (s[i], "OffTheSpot"))
1205	R->input_style = (XIMPreeditArea | XIMStatusArea);	1350	input_style = XIMPreeditArea | XIMStatusArea;
1206	else if (!STRCMP(s[i], "Root"))	1351	else if (!strcmp (s[i], "Root"))
1207	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1352	input_style = XIMPreeditNothing | XIMStatusNothing;
		1353	else if (!strcmp (s[i], "None"))
		1354	input_style = XIMPreeditNone | XIMStatusNone;
		1355	#ifdef ENABLE_XIM_ONTHESPOT
		1356	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1357	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1358	#endif
		1359	else
		1360	input_style = XIMPreeditNothing | XIMStatusNothing;
1208		1361
1209	for (j = 0; j < xim_styles->count_styles; j++)	1362	for (j = 0; j < xim_styles->count_styles; j++)
1210	if (R->input_style == xim_styles->supported_styles[j]) {	1363	if (input_style == xim_styles->supported_styles[j])
		1364	{
		1365	rxvt_free_strsplit (s);
		1366
1211	found = 1;	1367	found = 1;
		1368	goto foundpet;
		1369	}
		1370
		1371	}
		1372
		1373	rxvt_free_strsplit (s);
		1374	}
		1375
		1376	foundpet:
		1377
		1378	XFree (xim_styles);
		1379
		1380	if (!found)
		1381	{
		1382	im_destroy ();
		1383	return false;
		1384	}
		1385
		1386	XFontSet fs = 0;
		1387	XVaNestedList preedit_attr = 0, status_attr = 0;
		1388
		1389	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1390	{
		1391	// fake us a font-set, please
		1392	char **missing_charset_list;
		1393	int missing_charset_count;
		1394	char *def_string;
		1395	char pat[512];
		1396
		1397	sprintf (pat,
		1398	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1399	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1400	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1401	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1402	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1403	"*",
		1404	fheight,
		1405	fheight + 1, fheight - 1,
		1406	fheight - 2, fheight + 2);
		1407
		1408	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1409	&missing_charset_list, &missing_charset_count, &def_string);
		1410
		1411	if (missing_charset_list)
		1412	XFreeStringList (missing_charset_list);
		1413
		1414	if (!fs)
		1415	{
		1416	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1417	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1418	}
		1419	}
		1420
		1421	if (input_style & XIMPreeditPosition)
		1422	{
		1423	im_set_size (rect);
		1424	im_set_position (spot);
		1425	im_set_color (fg, bg);
		1426
		1427	preedit_attr = XVaCreateNestedList (0,
		1428	XNForeground, fg,
		1429	XNBackground, bg,
		1430	XNArea, &rect,
		1431	XNSpotLocation, &spot,
		1432	XNFontSet, fs,
		1433	NULL);
		1434	}
		1435	else if (input_style & XIMPreeditArea)
		1436	{
		1437	im_set_color (fg, bg);
		1438
		1439	/*
		1440	* The necessary width of preedit area is unknown
		1441	* until create input context.
		1442	*/
		1443	needed_rect.width = 0;
		1444	im_set_preedit_area (rect, status_rect, needed_rect);
		1445
		1446	preedit_attr = XVaCreateNestedList (0,
		1447	XNForeground, fg,
		1448	XNBackground, bg,
		1449	XNArea, &rect,
		1450	XNFontSet, fs,
		1451	NULL);
		1452	status_attr = XVaCreateNestedList (0,
		1453	XNForeground, fg,
		1454	XNBackground, bg,
		1455	XNArea, &status_rect,
		1456	XNFontSet, fs,
		1457	NULL);
		1458	}
		1459	#if ENABLE_XIM_ONTHESPOT
		1460	else if (input_style & XIMPreeditCallbacks)
		1461	{
		1462	im_set_position (spot);
		1463
		1464	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1465	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1466	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1467	# if 0
		1468	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1469	# endif
		1470
		1471	preedit_attr = XVaCreateNestedList (0,
		1472	XNSpotLocation, &spot,
		1473	XNPreeditStartCallback, &xcb[0],
		1474	XNPreeditDoneCallback , &xcb[1],
		1475	XNPreeditDrawCallback , &xcb[2],
		1476	# if 0
		1477	XNPreeditCaretCallback, &xcb[3],
		1478	# endif
		1479	NULL);
		1480	}
		1481	#endif
		1482
		1483	Input_Context = XCreateIC (xim,
		1484	XNInputStyle, input_style,
		1485	XNClientWindow, vt,
		1486	XNFocusWindow, parent[0],
		1487	preedit_attr ? XNPreeditAttributes : NULL,
		1488	preedit_attr,
		1489	status_attr ? XNStatusAttributes : NULL,
		1490	status_attr, NULL);
		1491
		1492	if (preedit_attr) XFree (preedit_attr);
		1493	if (status_attr) XFree (status_attr);
		1494	if (fs) XFreeFontSet (dpy, fs);
		1495
		1496	if (Input_Context == NULL)
		1497	{
		1498	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1499	im_destroy ();
		1500	return false;
		1501	}
		1502
		1503	#if 0
		1504	// unfortunately, only the focus window is used by XIM, hard to fix
		1505	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1506	vt_select_input ();
		1507	#endif
		1508
		1509	IMSetPosition ();
		1510
		1511	return true;
		1512	}
		1513
		1514	void
		1515	rxvt_term::im_cb ()
		1516	{
		1517	int i;
		1518	const char *p;
		1519	char **s;
		1520	char buf[IMBUFSIZ];
		1521
		1522	make_current ();
		1523
		1524	im_destroy ();
		1525
		1526	if (Input_Context)
		1527	return;
		1528
		1529	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1530	if (rs[Rs_imLocale])
		1531	SET_LOCALE (rs[Rs_imLocale]);
		1532	#endif
		1533
		1534	p = rs[Rs_inputMethod];
		1535	if (p && *p)
		1536	{
		1537	bool found = false;
		1538
		1539	s = rxvt_strsplit (',', p);
		1540
		1541	for (i = 0; s[i]; i++)
		1542	{
		1543	if (*s[i])
		1544	{
		1545	strcpy (buf, "@im=");
		1546	strncat (buf, s[i], IMBUFSIZ - 5);
		1547	if (IM_get_IC (buf))
		1548	{
		1549	found = true;
1212	break;	1550	break;
		1551	}
1213	}	1552	}
1214	}	1553	}
1215	for (i = 0; s[i]; i++)
1216	free(s[i]);
1217	free(s);
1218	XFree(xim_styles);
1219		1554
		1555	rxvt_free_strsplit (s);
		1556
1220	if (!found) {	1557	if (found)
1221	XCloseIM(xim);	1558	goto done;
1222	return False;
1223	}	1559	}
1224		1560
1225	ximcallback.callback = rxvt_IMDestroyCallback;	1561	/* try with XMODIFIERS env. var. */
		1562	if (IM_get_IC (""))
		1563	goto done;
1226		1564
1227	/* XXX: not sure why we need this (as well as IC one below) */	1565	/* try with no modifiers base IF the user didn't specify an IM */
1228	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1566	if (IM_get_IC ("@im=none"))
		1567	goto done;
1229		1568
1230	preedit_attr = status_attr = NULL;	1569	done:
1231		1570	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1232	if (R->input_style & XIMPreeditPosition) {	1571	if (rs[Rs_imLocale])
1233	rxvt_setSize(aR_ & rect);	1572	SET_LOCALE (locale);
1234	rxvt_setPosition(aR_ & spot);	1573	#endif
1235	rxvt_setColor(aR_ & fg, &bg);
1236
1237	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1238	XNSpotLocation, &spot,
1239	XNForeground, fg, XNBackground, bg,
1240	//XNFontSet, R->TermWin.fontset,
1241	NULL);
1242	} else if (R->input_style & XIMPreeditArea) {
1243	rxvt_setColor(aR_ & fg, &bg);
1244
1245	/*
1246	* The necessary width of preedit area is unknown
1247	* until create input context.
1248	*/
1249	needed_rect.width = 0;
1250
1251	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1252
1253	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1254	XNForeground, fg, XNBackground, bg,
1255	//XNFontSet, R->TermWin.fontset,
1256	NULL);
1257	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1258	XNForeground, fg, XNBackground, bg,
1259	//XNFontSet, R->TermWin.fontset,
1260	NULL);
1261	}
1262	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1263	XNClientWindow, R->TermWin.parent[0],
1264	XNFocusWindow, R->TermWin.parent[0],
1265	XNDestroyCallback, &ximcallback,
1266	preedit_attr ? XNPreeditAttributes : NULL,
1267	preedit_attr,
1268	status_attr ? XNStatusAttributes : NULL,
1269	status_attr, NULL);
1270	if (preedit_attr)
1271	XFree(preedit_attr);
1272	if (status_attr)
1273	XFree(status_attr);
1274	if (R->Input_Context == NULL) {
1275	rxvt_print_error("failed to create input context");
1276	XCloseIM(xim);
1277	return False;
1278	}
1279	if (R->input_style & XIMPreeditArea)
1280	rxvt_IMSetStatusPosition(aR);
1281	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1282	return True;
1283	}	1574	}
1284		1575
1285	/* EXTPROTO */
1286	void	1576	void
1287	rxvt_IMSetStatusPosition(pR)	1577	rxvt_term::IMSetPosition ()
1288	{	1578	{
1289	XRectangle preedit_rect, status_rect, *needed_rect;	1579	XRectangle preedit_rect, status_rect, *needed_rect;
1290	XVaNestedList preedit_attr, status_attr;	1580	XVaNestedList preedit_attr, status_attr;
1291		1581
1292	if (R->Input_Context == NULL	1582	if (!Input_Context
1293	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1583	|| !focus
		1584	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1294	|| !rxvt_IMisRunning(aR))	1585	|| !IMisRunning ())
1295	return;	1586	return;
1296		1587
		1588	if (input_style & XIMPreeditPosition)
		1589	{
		1590	im_set_size (preedit_rect);
		1591	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1592
		1593	XSetICValues (Input_Context,
		1594	XNPreeditAttributes, preedit_attr, NULL);
		1595	}
		1596	else
		1597	{
1297	/* Getting the necessary width of preedit area */	1598	/* Getting the necessary width of preedit area */
1298	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1599	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1299	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1600	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1300	XFree(status_attr);	1601	XFree (status_attr);
1301		1602
1302	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1603	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1604	XFree (needed_rect);
1303		1605
1304	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1606	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1305	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1607	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1306		1608
1307	XSetICValues(R->Input_Context,	1609	XSetICValues (Input_Context,
1308	XNPreeditAttributes, preedit_attr,	1610	XNPreeditAttributes, preedit_attr,
1309	XNStatusAttributes, status_attr, NULL);	1611	XNStatusAttributes, status_attr,
		1612	NULL);
1310		1613
		1614	XFree (status_attr);
		1615	}
		1616
1311	XFree(preedit_attr);	1617	XFree (preedit_attr);
1312	XFree(status_attr);
1313	}	1618	}
1314	#endif /* USE_XIM */	1619	#endif /* USE_XIM */
1315		1620
1316	/*----------------------------------------------------------------------*/	1621	void
1317	rxvt_t rxvt_current_term;	1622	rxvt_term::get_window_origin (int &x, int &y)
		1623	{
		1624	Window cr;
		1625	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1626	}
		1627
		1628	Pixmap
		1629	rxvt_term::get_pixmap_property (Atom property)
		1630	{
		1631	Pixmap pixmap = None;
		1632
		1633	int aformat;
		1634	unsigned long nitems, bytes_after;
		1635	Atom atype;
		1636	unsigned char *prop;
		1637	int result = XGetWindowProperty (dpy, display->root, property,
		1638	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1639	&nitems, &bytes_after, &prop);
		1640	if (result == Success)
		1641	{
		1642	if (atype == XA_PIXMAP)
		1643	pixmap = *(Pixmap *)prop;
		1644	XFree (prop);
		1645	}
		1646
		1647	return pixmap;
		1648	}
		1649
		1650	#ifdef HAVE_BG_PIXMAP
		1651
		1652	void
		1653	rxvt_term::update_background ()
		1654	{
		1655	if (update_background_ev.is_active ())
		1656	return;
		1657
		1658	bg_invalidate ();
		1659
		1660	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1661
		1662	if (to_wait <= 0.)
		1663	bg_render ();
		1664	else
		1665	update_background_ev.start (to_wait);
		1666	}
		1667
		1668	void
		1669	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1670	{
		1671	make_current ();
		1672
		1673	update_background_ev.stop ();
		1674	bg_render ();
		1675	refresh_check ();
		1676	}
		1677
		1678	#endif /* HAVE_BG_PIXMAP */
1318		1679
1319	/*----------------------- end-of-file (C source) -----------------------*/	1680	/*----------------------- end-of-file (C source) -----------------------*/

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