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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 1.363 by root, Sat Dec 17 23:17:33 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 <schmorp@schmorp.de>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "init.h"
		36	#include "keyboard.h"
		37	#include "rxvtperl.h"
36		38
		39	#include <limits>
		40
		41	#include <cassert>
37	#include <signal.h>	42	#include <csignal>
		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.begin (); cc < v.end (); cc++)
		111	if (cc->c1 == c1 && cc->c2 == c2)
		112	return COMPOSE_LO + (cc - v.begin ());
		113
		114	// allocate a new combination
		115	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		116	{
		117	static int seen;
		118
		119	if (!seen++)
		120	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
		121
		122	return REPLACEMENT_CHAR;
		123	}
		124
		125	v.push_back (compose_char (c1, c2));
		126
		127	return v.size () - 1 + COMPOSE_LO;
		128	}
		129
		130	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		131	{
		132	compose_char *cc = (*this)[c];
		133
		134	if (!cc)
		135	{
		136	if (r) *r = c;
		137	return 1;
		138	}
		139
		140	int len = expand (cc->c1, r);
		141
		142	if (r) r += len;
		143
		144	if (cc->c2 != NOCHAR)
		145	{
		146	len++;
		147	if (r) *r++ = cc->c2;
		148	}
		149
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)
		247	XDestroyWindow (dpy, parent);
		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 selection_req;
		279
		280	delete envv;
		281	delete argv;
		282
		283	#ifdef KEYSYM_RESOURCE
		284	delete keyboard;
		285	#endif
		286	#ifndef NO_RESOURCES
		287	XrmDestroyDatabase (option_db);
		288	#endif
		289	}
		290
		291	// child has exited, usually destroys
		292	void
		293	rxvt_term::child_cb (ev::child &w, int status)
		294	{
		295	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		296
		297	cmd_pid = 0;
		298
		299	if (!option (Opt_hold))
		300	destroy ();
101	}	301	}
102		302
103	void	303	void
104	rxvt_term::destroy ()	304	rxvt_term::destroy ()
105	{	305	{
		306	if (destroy_ev.is_active ())
		307	return;
		308
		309	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		310
		311	#if ENABLE_OVERLAY
		312	scr_overlay_off ();
		313	#endif
		314
		315	if (display)
		316	{
		317	#if USE_XIM
		318	im_ev.stop (display);
		319	#endif
		320	scrollbar_ev.stop (display);
		321	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		322	rootwin_ev.stop (display);
		323	#endif
		324	termwin_ev.stop (display);
		325	vt_ev.stop (display);
		326	}
		327
		328	flush_ev.stop ();
106	pty_ev.stop ();	329	pty_ev.stop ();
107	x_ev.stop ();
108	#ifdef CURSOR_BLINK	330	#ifdef CURSOR_BLINK
		331	cursor_blink_ev.stop ();
		332	#endif
		333	#ifdef TEXT_BLINK
109	blink_ev.stop ();	334	text_blink_ev.stop ();
		335	#endif
		336	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		337	cont_scroll_ev.stop ();
		338	#endif
		339	#ifdef SELECTION_SCROLLING
		340	sel_scroll_ev.stop ();
110	#endif	341	#endif
111	#ifdef POINTER_BLANK	342	#ifdef POINTER_BLANK
112	pointer_ev.stop ();	343	pointer_ev.stop ();
113	#endif	344	#endif
114		345
115	destroy_ev.start (0);	346	destroy_ev.start ();
116	}	347	}
117		348
118	void	349	void
119	rxvt_term::destroy_cb (time_watcher &w)	350	rxvt_term::destroy_cb (ev::idle &w, int revents)
120	{	351	{
121	SET_R (this);	352	make_current ();
122		353
123	delete this;	354	delete this;
124	}	355	}
125		356
126	/*----------------------------------------------------------------------*/	357	void
127	/* rxvt_init() */	358	rxvt_term::set_option (uint8_t opt, bool set)
128	/* LIBPROTO */
129	rxvt_t
130	rxvt_init(int argc, const char *const *argv)
131	{	359	{
132	SET_R(new rxvt_term);	360	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;	361	return;
142	}
143		362
144	/* EXTPROTO */	363	uint8_t mask = 1 << (opt & 7);
145	void	364	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		365
159	struct sigaction sa;	366	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	}	367	}
305		368
306	/*----------------------------------------------------------------------*/	369	/*----------------------------------------------------------------------*/
307	/*	370	/*
308	* Exit gracefully, clearing the utmp entry and restoring tty attributes	371	* Exit gracefully, clearing the utmp entry and restoring tty attributes
309	* TODO: if debugging, this should free up any known resources if we can	372	* TODO: if debugging, this should free up any known resources if we can
310	*/	373	*/
311	/* EXTPROTO */	374	static XErrorHandler old_xerror_handler;
312	void
313	rxvt_clean_exit ()
314	{
315	dR;
316		375
317	R->destroy ();	376	static void
318	}	377	rxvt_emergency_cleanup ()
319
320	/* ------------------------------------------------------------------------- *
321	* MEMORY ALLOCATION WRAPPERS *
322	* ------------------------------------------------------------------------- */
323	/* EXTPROTO */
324	void *
325	rxvt_malloc(size_t size)
326	{	378	{
327	void *p;	379	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		380	(*t)->emergency_cleanup ();
		381	}
328		382
329	p = malloc(size);	383	#if !ENABLE_MINIMAL
330	if (p)	384	static void
331	return p;	385	print_x_error (Display *dpy, XErrorEvent *event)
		386	{
		387	char buffer[BUFSIZ];
		388	char mesg[BUFSIZ];
		389	char number[32];
		390	const char mtype[] = "XlibMessage";
		391	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		392	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		393	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
		394	rxvt_warn ("%s: %s\n", mesg, buffer);
		395	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		396	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		397	sprintf(number, "%d", event->request_code);
		398	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		399	rxvt_warn ("(which is %s)\n", buffer);
		400	if (event->request_code >= 128) {
		401	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		402	mesg, BUFSIZ);
		403	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		404	}
		405	if ((event->error_code == BadWindow) ||
		406	(event->error_code == BadPixmap) ||
		407	(event->error_code == BadCursor) ||
		408	(event->error_code == BadFont) ||
		409	(event->error_code == BadDrawable) ||
		410	(event->error_code == BadColor) ||
		411	(event->error_code == BadGC) ||
		412	(event->error_code == BadIDChoice) ||
		413	(event->error_code == BadValue) ||
		414	(event->error_code == BadAtom)) {
		415	if (event->error_code == BadValue)
		416	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		417	mesg, BUFSIZ);
		418	else if (event->error_code == BadAtom)
		419	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		420	mesg, BUFSIZ);
		421	else
		422	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		423	mesg, BUFSIZ);
		424	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		425	}
		426	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		427	mesg, BUFSIZ);
		428	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		429	}
		430	#endif
332		431
333	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	432	int
334	rxvt_clean_exit();	433	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		434	{
		435	if (GET_R->allowedxerror == -1)
		436	GET_R->allowedxerror = event->error_code;
		437	else
		438	{
		439	// GET_R is most likely not the terminal which caused the error,
		440	// so just output the error and continue
		441	#if ENABLE_MINIMAL
		442	old_xerror_handler (display, event);
		443	#else
		444	print_x_error (display, event);
		445	#endif
		446	}
		447
		448	return 0;
		449	}
		450
		451	int
		452	rxvt_xioerror_handler (Display *display)
		453	{
		454	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		455	DisplayString (display));
		456	rxvt_emergency_cleanup ();
335	exit(EXIT_FAILURE);	457	_exit (EXIT_FAILURE);
336	/* NOTREACHED */
337	}	458	}
338		459
339	/* EXTPROTO */	460	static struct sig_handlers
340	void *
341	rxvt_calloc(size_t number, size_t size)
342	{	461	{
343	void *p;	462	ev::sig sw_term, sw_int;
344		463
345	p = calloc(number, size);	464	/*
346	if (p)	465	* Catch a fatal signal and tidy up before quitting
347	return p;	466	*/
		467	void sig_term (ev::sig &w, int revents);
348		468
349	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	469	sig_handlers ()
350	rxvt_clean_exit();	470	{
351	exit(EXIT_FAILURE);	471	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
352	/* NOTREACHED */	472	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
353	}	473	}
		474	} sig_handlers;
354		475
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	476	void
380	rxvt_privileges(pR_ int mode)	477	sig_handlers::sig_term (ev::sig &w, int revents)
381	{	478	{
382	#if ! defined(__CYGWIN32__)	479	rxvt_emergency_cleanup ();
383	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	480	w.stop ();
384	/* setreuid() is the poor man's setuid(), seteuid() */	481	kill (getpid (), w.signum);
385	# define seteuid(a) setreuid(-1, (a))	482	}
386	# define setegid(a) setregid(-1, (a))	483
387	# define HAVE_SETEUID	484	static void
		485	rxvt_get_ttymode (struct termios *tio)
		486	{
		487	if (tcgetattr (STDIN_FILENO, tio) < 0)
		488	memset (tio, 0, sizeof (struct termios));
		489
		490	for (int i = 0; i < NCCS; i++)
		491	tio->c_cc[i] = VDISABLE;
		492
		493	tio->c_cc[VINTR] = CINTR;
		494	tio->c_cc[VQUIT] = CQUIT;
		495	tio->c_cc[VERASE] = CERASE;
		496	#ifdef VERASE2
		497	tio->c_cc[VERASE2] = CERASE2;
		498	#endif
		499	tio->c_cc[VKILL] = CKILL;
		500	tio->c_cc[VEOF] = CEOF;
		501	tio->c_cc[VSTART] = CSTART;
		502	tio->c_cc[VSTOP] = CSTOP;
		503	tio->c_cc[VSUSP] = CSUSP;
		504	# ifdef VDSUSP
		505	tio->c_cc[VDSUSP] = CDSUSP;
388	# endif	506	# endif
389	# ifdef HAVE_SETEUID	507	# ifdef VREPRINT
390	switch (mode) {	508	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	509	# endif
420	#endif	510	# ifdef VDISCRD
421	}	511	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	512	# endif
469	{	513	# ifdef VWERSE
470	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	514	tio->c_cc[VWERSE] = CWERASE;
471	chmod(R->ttydev, R->ttymode);
472	# ifdef HAVE_REVOKE
473	revoke(R->ttydev);
474	# endif	515	# endif
475	}	516	# ifdef VLNEXT
476	} else { /* action == RESTORE */	517	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	518	# endif
486	}	519	# ifdef VSTATUS
487		520	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	521	# endif
498	}	522
		523	# if VMIN != VEOF
		524	tio->c_cc[VMIN] = 1;
499	#endif	525	# endif
		526	# if VTIME != VEOL
		527	tio->c_cc[VTIME] = 0;
		528	# endif
		529
		530	/* input modes */
		531	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		532	# ifdef IMAXBEL
		533	| IMAXBEL
		534	# endif
		535	| IXON);
		536
		537	/* output modes */
		538	tio->c_oflag = (OPOST | ONLCR);
		539
		540	/* control modes */
		541	tio->c_cflag = (CS8 | CREAD);
		542
		543	/* local modes */
		544	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		545	# if defined (ECHOCTL) && defined (ECHOKE)
		546	| ECHOCTL | ECHOKE
		547	# endif
		548	| ECHOE | ECHOK);
		549	}
		550
		551	char **rxvt_environ; // startup environment
		552
		553	void
		554	rxvt_init ()
		555	{
		556	assert (("fontMask must not overlap other RS masks",
		557	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		558
		559	rxvt_get_ttymode (&rxvt_term::def_tio);
		560
		561	// get rid of stdin/stdout as we don't need them, to free resources
		562	dup2 (STDERR_FILENO, STDIN_FILENO);
		563	dup2 (STDERR_FILENO, STDOUT_FILENO);
		564
		565	if (!ev_default_loop ())
		566	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		567
		568	rxvt_environ = environ;
		569
		570	signal (SIGHUP, SIG_IGN);
		571	signal (SIGPIPE, SIG_IGN);
		572
		573	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		574	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		575
		576	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		577	// TODO: handle this with exceptions and tolerate the memory loss
		578	XSetIOErrorHandler (rxvt_xioerror_handler);
		579
		580	XrmInitialize ();
		581	}
500		582
501	/*----------------------------------------------------------------------*/	583	/*----------------------------------------------------------------------*/
502	/*	584	/*
503	* window size/position calculcations for XSizeHint and other storage.	585	* window size/position calculations for XSizeHint and other storage.
504	* if width/height are non-zero then override calculated width/height	586	* if width/height are non-zero then override calculated width/height
505	*/	587	*/
506	/* EXTPROTO */
507	void	588	void
508	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	589	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
509	{	590	{
510	short recalc_x, recalc_y;	591	short recalc_x, recalc_y;
511	int x, y, sb_w, mb_h, flags;	592	int x, y, flags;
512	unsigned int w, h;	593	unsigned int w, h;
513	unsigned int max_width, max_height;	594	unsigned int max_width, max_height;
514		595
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;	596	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
519	R->szHint.win_gravity = NorthWestGravity;	597	szHint.win_gravity = NorthWestGravity;
520	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	598	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
521		599
522	recalc_x = recalc_y = 0;	600	recalc_x = recalc_y = 0;
523	flags = 0;	601	flags = 0;
		602
524	if (!R->parsed_geometry) {	603	if (!parsed_geometry)
		604	{
525	R->parsed_geometry = 1;	605	parsed_geometry = 1;
		606
526	if (R->rs[Rs_geometry])	607	if (rs[Rs_geometry])
527	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	608	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		609
528	if (flags & WidthValue) {	610	if (flags & WidthValue)
529	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	611	{
		612	if (!w)
		613	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		614
		615	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
530	R->szHint.flags |= USSize;	616	szHint.flags |= USSize;
531	}	617	}
		618
532	if (flags & HeightValue) {	619	if (flags & HeightValue)
533	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	620	{
		621	if (!h)
		622	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		623
		624	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
534	R->szHint.flags |= USSize;	625	szHint.flags |= USSize;
535	}	626	}
		627
536	if (flags & XValue) {	628	if (flags & XValue)
		629	{
537	R->szHint.x = x;	630	szHint.x = x;
538	R->szHint.flags |= USPosition;	631	szHint.flags |= USPosition;
		632
539	if (flags & XNegative) {	633	if (flags & XNegative)
		634	{
540	recalc_x = 1;	635	recalc_x = 1;
541	R->szHint.win_gravity = NorthEastGravity;	636	szHint.win_gravity = NorthEastGravity;
542	}	637	}
543	}	638	}
		639
544	if (flags & YValue) {	640	if (flags & YValue)
		641	{
545	R->szHint.y = y;	642	szHint.y = y;
546	R->szHint.flags |= USPosition;	643	szHint.flags |= USPosition;
		644
547	if (flags & YNegative) {	645	if (flags & YNegative)
		646	{
548	recalc_y = 1;	647	recalc_y = 1;
		648
549	if (R->szHint.win_gravity == NorthEastGravity)	649	if (szHint.win_gravity == NorthEastGravity)
550	R->szHint.win_gravity = SouthEastGravity;	650	szHint.win_gravity = SouthEastGravity;
551	else	651	else
552	R->szHint.win_gravity = SouthWestGravity;	652	szHint.win_gravity = SouthWestGravity;
553	}	653	}
554	}	654	}
555	}	655	}
		656
556	/* TODO: BOUNDS */	657	/* TODO: BOUNDS */
557	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	658	width = ncol * fwidth;
558	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	659	height = nrow * fheight;
559	max_width = MAX_COLS * R->TermWin.fwidth;	660	max_width = MAX_COLS * fwidth;
560	max_height = MAX_ROWS * R->TermWin.fheight;	661	max_height = MAX_ROWS * fheight;
561		662
562	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	663	szHint.base_width = szHint.base_height = 2 * int_bwidth;
563		664
564	sb_w = mb_h = 0;
565	R->window_vt_x = R->window_vt_y = 0;	665	window_vt_x = window_vt_y = int_bwidth;
566	if (scrollbar_visible(R)) {	666
		667	if (scrollBar.state)
		668	{
567	sb_w = scrollbar_TotalWidth();	669	int sb_w = scrollBar.total_width ();
568	R->szHint.base_width += sb_w;	670	szHint.base_width += sb_w;
		671
569	if (!(R->Options & Opt_scrollBar_right))	672	if (!option (Opt_scrollBar_right))
570	R->window_vt_x = sb_w;	673	window_vt_x += sb_w;
571	}	674	}
572	if (menubar_visible(R)) {	675
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;	676	szHint.width_inc = fwidth;
578	R->szHint.height_inc = R->TermWin.fheight;	677	szHint.height_inc = fheight;
579	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	678	szHint.min_width = szHint.base_width + szHint.width_inc;
580	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	679	szHint.min_height = szHint.base_height + szHint.height_inc;
581		680
582	if (width && width - R->szHint.base_width < max_width) {	681	if (newwidth && newwidth - szHint.base_width < max_width)
		682	{
583	R->szHint.width = width;	683	szHint.width = newwidth;
584	R->TermWin.width = width - R->szHint.base_width;	684	width = newwidth - szHint.base_width;
585	} else {	685	}
586	MIN_IT(R->TermWin.width, max_width);	686	else
		687	{
		688	min_it (width, max_width);
587	R->szHint.width = R->szHint.base_width + R->TermWin.width;	689	szHint.width = szHint.base_width + width;
588	}	690	}
		691
589	if (height && height - R->szHint.base_height < max_height) {	692	if (newheight && newheight - szHint.base_height < max_height)
		693	{
590	R->szHint.height = height;	694	szHint.height = newheight;
591	R->TermWin.height = height - R->szHint.base_height;	695	height = newheight - szHint.base_height;
592	} else {	696	}
593	MIN_IT(R->TermWin.height, max_height);	697	else
		698	{
		699	min_it (height, max_height);
594	R->szHint.height = R->szHint.base_height + R->TermWin.height;	700	szHint.height = szHint.base_height + height;
595	}	701	}
596	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
597	R->window_sb_x = R->szHint.width - sb_w;
598		702
599	if (recalc_x)	703	if (recalc_x)
600	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	704	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
601	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	705
602	if (recalc_y)	706	if (recalc_y)
603	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	707	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
604	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
605		708
606	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	709	ncol = width / fwidth;
607	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	710	nrow = height / fheight;
608	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	711
609	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	712	// When the size of the vt window is not a multiple of the cell
610	R->szHint.height));	713	// size, i.e., when the wm does not honour our size hints, there are
611	return;	714	// extra areas not covered by the terminal screen. Such gaps, when a
		715	// bg pixmap is set, would have to be cleared manually to properly
		716	// refresh the background. We take the simpler route and shrink the
		717	// vt window so as to avoid creating gaps.
		718	width = ncol * fwidth;
		719	height = nrow * fheight;
612	}	720	}
613		721
614	/*----------------------------------------------------------------------*/	722	/*----------------------------------------------------------------------*/
615	/*	723	/*
616	* Tell the teletype handler what size the window is.	724	* Tell the teletype handler what size the window is.
617	* Called after a window size change.	725	* Called after a window size change.
618	*/	726	*/
619	/* EXTPROTO */
620	void	727	void
621	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	728	rxvt_term::tt_winch ()
622	{	729	{
		730	if (pty->pty < 0)
		731	return;
		732
623	struct winsize ws;	733	struct winsize ws;
624		734
625	if (fd < 0)
626	return;
627	ws.ws_col = col;	735	ws.ws_col = ncol;
628	ws.ws_row = row;	736	ws.ws_row = nrow;
629	ws.ws_xpixel = ws.ws_ypixel = 0;	737	ws.ws_xpixel = width;
630	#ifndef DEBUG_SIZE	738	ws.ws_ypixel = height;
631	(void)ioctl(fd, TIOCSWINSZ, &ws);	739	ioctl (pty->pty, TIOCSWINSZ, &ws);
		740
		741	#if 0
		742	// TIOCSWINSZ is supposed to do this automatically and correctly
		743	if (cmd_pid) /* force through to the command */
		744	kill (-cmd_pid, SIGWINCH);
		745	#endif
		746	}
		747
		748	/*----------------------------------------------------------------------*/
		749	/* load and set the various fonts */
		750	bool
		751	rxvt_term::set_fonts ()
		752	{
		753	rxvt_fontset *fs = new rxvt_fontset (this);
		754	rxvt_fontprop prop;
		755
		756	if (!fs
		757	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		758	|| !fs->realize_font (1))
		759	{
		760	delete fs;
		761	return false;
		762	}
		763
		764	#if ENABLE_STYLES
		765	for (int i = RS_styleCount; --i; )
		766	if (fontset[i] != fontset[0])
		767	delete fontset[i];
		768	#endif
		769
		770	delete fontset[0];
		771	fontset[0] = fs;
		772
		773	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		774	prop.height += lineSpace;
		775	prop.width += letterSpace;
		776
		777	fs->set_prop (prop, false);
		778
		779	fwidth = prop.width;
		780	fheight = prop.height;
		781	fbase = prop.ascent;
		782
		783	for (int style = 1; style < 4; style++)
		784	{
		785	#if ENABLE_STYLES
		786	const char *res = rs[Rs_font + style];
		787
		788	if (res && !*res)
		789	fontset[style] = fontset[0];
		790	else
		791	{
		792	fontset[style] = fs = new rxvt_fontset (this);
		793	rxvt_fontprop prop2 = prop;
		794
		795	if (res)
		796	{
		797	fs->populate (res);
		798	fs->set_prop (prop2, false);
		799	}
		800	else
		801	{
		802	fs->populate (fontset[0]->fontdesc);
		803
		804	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		805	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		806
		807	fs->set_prop (prop2, true);
		808	}
		809
		810	}
632	#else	811	#else
633	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	812	fontset[style] = fontset[0];
634	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
635	}
636	# ifdef SIGWINCH
637	else if (pid) /* force through to the command */
638	kill(pid, SIGWINCH);
639	# endif	813	#endif
640	#endif	814	}
641	}
642		815
643	/*----------------------------------------------------------------------*/	816	if (parent)
644	/* rxvt_change_font() - Switch to a new font */	817	{
645	/*	818	resize_all_windows (0, 0, 0);
646	* init = 1 - initialize	819	scr_remap_chars ();
647	*	820	scr_touch (true);
648	* fontname == FONT_UP - switch to bigger font	821	}
649	* fontname == FONT_DN - switch to smaller font
650	*/
651	/* EXTPROTO */
652	void
653	rxvt_change_font(pR_ int init, const char *fontname)
654	{
655	}
656		822
657	/* INTPROTO */	823	return true;
		824	}
		825
658	void	826	void
659	rxvt_font_up_down(pR_ int n, int direction)	827	rxvt_term::set_string_property (Atom prop, const char *str, int len)
660	{	828	{
		829	XChangeProperty (dpy, parent,
		830	prop, XA_STRING, 8, PropModeReplace,
		831	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		832	}
		833
		834	void
		835	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		836	{
		837	XTextProperty ct;
		838
		839	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		840	{
		841	XSetTextProperty (dpy, parent, &ct, prop);
		842	XFree (ct.value);
		843	}
		844	}
		845
		846	void
		847	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		848	{
		849	wchar_t *ws = rxvt_mbstowcs (str, len);
		850	char *s = rxvt_wcstoutf8 (ws);
		851
		852	XChangeProperty (dpy, parent,
		853	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		854	(const unsigned char *)s, strlen (s));
		855
		856	free (s);
		857	free (ws);
661	}	858	}
662		859
663	/*----------------------------------------------------------------------*/	860	/*----------------------------------------------------------------------*/
664	/*----------------------------------------------------------------------*/	861	/*----------------------------------------------------------------------*/
665	/* xterm sequences - title, iconName, color (exptl) */	862	/* xterm sequences - title, iconName, color (exptl) */
666	/* EXTPROTO */
667	void	863	void
668	rxvt_set_title(pR_ const char *str)	864	rxvt_term::set_title (const char *str)
669	{	865	{
670	#ifndef SMART_WINDOW_TITLE	866	set_mbstring_property (XA_WM_NAME, str);
671	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	867	#if ENABLE_EWMH
672	#else	868	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	869	#endif
682	}	870	}
683		871
684	/* EXTPROTO */
685	void	872	void
686	rxvt_set_iconName(pR_ const char *str)	873	rxvt_term::set_icon_name (const char *str)
687	{	874	{
688	#ifndef SMART_WINDOW_TITLE	875	set_mbstring_property (XA_WM_ICON_NAME, str);
689	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	876	#if ENABLE_EWMH
690	#else	877	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	878	#endif
700	}	879	}
701		880
		881	void
		882	rxvt_term::set_window_color (int idx, const char *color)
		883	{
702	#ifdef XTERM_COLOR_CHANGE	884	#ifdef XTERM_COLOR_CHANGE
703	/* EXTPROTO */
704	void
705	rxvt_set_window_color(pR_ int idx, const char *color)
706	{
707	rxvt_color xcol;	885	rxvt_color xcol;
708	int i;
709		886
710	if (color == NULL || *color == '\0')	887	if (color == NULL || *color == '\0')
711	return;	888	return;
712		889
		890	color = strdup (color);
		891	allocated.push_back ((void *)color);
		892	rs[Rs_color + idx] = color;
		893
713	/* handle color aliases */	894	/* handle color aliases */
714	if (isdigit(*color)) {	895	if (isdigit (*color))
		896	{
715	i = atoi(color);	897	int i = atoi (color);
716	if (i >= 8 && i <= 15) { /* bright colors */	898
717	i -= 8;	899	if (i >= 8 && i <= 15)
718	# ifndef NO_BRIGHTCOLOR	900	{
719	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	901	/* bright colors */
720	SET_PIXCOLOR(R, idx);	902	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
721	goto Done;	903	goto done;
722	# endif
723	}	904	}
724	if (i >= 0 && i <= 7) { /* normal colors */	905
725	R->PixColors[idx] = R->PixColors[minCOLOR + i];	906	if (i >= 0 && i <= 7)
726	SET_PIXCOLOR(R, idx);	907	{
		908	/* normal colors */
		909	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
727	goto Done;	910	goto done;
728	}	911	}
729	}	912	}
730	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
731	return;
732	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
733		913
734	/*	914	set_color (xcol, color);
		915
		916	/*
735	* FIXME: should free colors here, but no idea how to do it so instead,	917	* FIXME: should free colors here, but no idea how to do it so instead,
736	* so just keep gobbling up the colormap	918	* so just keep gobbling up the colormap
737	*/	919	*/
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		920
749	R->PixColors[idx] = xcol;	921	pix_colors_focused[idx] = xcol;
750	SET_PIXCOLOR(R, idx);
751		922
752	/* XSetWindowAttributes attr; */	923	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. */	924	/*TODO: handle Color_BD, scrollbar background, etc. */
760		925
761	rxvt_set_colorfgbg(aR);	926	update_fade_color (idx);
762	rxvt_recolour_cursor(aR);	927	recolour_cursor ();
763	/* the only reasonable way to enforce a clean update */	928	scr_recolour ();
764	rxvt_scr_poweron(aR);	929	#endif /* XTERM_COLOR_CHANGE */
765	}	930	}
766		931
767	#else
768	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
769	#endif /* XTERM_COLOR_CHANGE */
770
771	/* EXTPROTO */
772	void	932	void
773	rxvt_recolour_cursor(pR)	933	rxvt_term::recolour_cursor ()
774	{	934	{
775	rxvt_color xcol[2];	935	XColor fg, bg;
776		936
777	#if TODO	937	(ISSET_PIXCOLOR (Color_pointer_fg)
778	xcol[0] = R->PixColors[Color_pointer];	938	? pix_colors_focused[Color_pointer_fg]
779	xcol[1] = R->PixColors[Color_bg];	939	: pix_colors_focused[Color_fg]).get (fg);
780	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	940
781	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	941	(ISSET_PIXCOLOR (Color_pointer_bg)
782	#endif	942	? pix_colors_focused[Color_pointer_bg]
		943	: pix_colors_focused[Color_bg]).get (bg);
		944
		945	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
783	}	946	}
784		947
785	/*----------------------------------------------------------------------*/	948	/*----------------------------------------------------------------------*/
786	/*	949	/*
787	* find if fg/bg matches any of the normal (low-intensity) colors	950	* find if fg/bg matches any of the normal (low-intensity) colors
788	*/	951	*/
789	/* INTPROTO */
790	void	952	void
791	rxvt_set_colorfgbg(pR)	953	rxvt_term::set_colorfgbg ()
792	{	954	{
793	unsigned int i;	955	unsigned int i;
794	const char *xpmb = "\0";	956	const char *xpmb = "";
795	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	957	char fstr[] = "default";
		958	char bstr[] = "default";
796		959
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++)	960	for (i = Color_Black; i <= Color_White; i++)
802	if (R->PixColors[Color_fg] == R->PixColors[i]) {	961	if (pix_colors[Color_fg] == pix_colors[i])
		962	{
803	sprintf(fstr, "%d", (i - Color_Black));	963	sprintf (fstr, "%d", i - Color_Black);
804	break;	964	break;
805	}	965	}
		966
806	for (i = Color_Black; i <= Color_White; i++)	967	for (i = Color_Black; i <= Color_White; i++)
807	if (R->PixColors[Color_bg] == R->PixColors[i]) {	968	if (pix_colors[Color_bg] == pix_colors[i])
		969	{
808	sprintf(bstr, "%d", (i - Color_Black));	970	sprintf (bstr, "%d", i - Color_Black);
809	#ifdef XPM_BACKGROUND	971	#ifdef BG_IMAGE_FROM_FILE
810	xpmb = "default;";	972	xpmb = "default;";
811	#endif	973	#endif
812	break;	974	break;
813	}	975	}
		976
814	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	977	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	}	978	}
827		979
828	/*----------------------------------------------------------------------*/	980	/*----------------------------------------------------------------------*/
829	/*
830	* Colour determination for low colour displays, routine from
831	* Hans de Goede <hans@highrise.nl>
832	*/
833		981
834	/* EXTPROTO */	982	bool
835	int	983	rxvt_term::set_color (rxvt_color &color, const char *name)
836	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
837	{	984	{
838	screen_in_out->set(aR_ colour);	985	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;	986	return true;
		987
		988	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		989	return false;
		990	}
		991
		992	void
		993	rxvt_term::alias_color (int dst, int src)
		994	{
		995	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
846	}	996	}
847		997
848	/* -------------------------------------------------------------------- *	998	/* -------------------------------------------------------------------- *
849	* - WINDOW RESIZING - *	999	* - WINDOW RESIZING - *
850	* -------------------------------------------------------------------- */	1000	* -------------------------------------------------------------------- */
851	/* EXTPROTO */
852	void	1001	void
853	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1002	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
854	int ignoreparent)
855	{	1003	{
856	int fix_screen;	1004	int fix_screen;
		1005	int old_width = szHint.width;
		1006	int old_height = szHint.height;
857		1007
		1008	window_calc (newwidth, newheight);
		1009
		1010	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1011
		1012	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1013	if (set_hint)
		1014	{
		1015	szHint.flags &= ~(PBaseSize | PResizeInc);
		1016	XSetWMNormalHints (dpy, parent, &szHint);
		1017	szHint.flags |= PBaseSize | PResizeInc;
		1018	}
		1019
		1020	if (!ignoreparent)
		1021	{
858	#ifdef SMART_RESIZE	1022	#ifdef SMART_RESIZE
859	int old_width = R->szHint.width, old_height = R->szHint.height;	1023	/*
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>	1024	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
868	* reposition window on resize depending on placement on screen	1025	* reposition window on resize depending on placement on screen
869	*/	1026	*/
870	int x, y, x1, y1;	1027	int x, y, x1, y1;
871	int dx, dy;	1028	int dx, dy;
872	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1029	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
873	Window unused_cr;	1030	Window unused_cr;
874		1031
875	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1032	XTranslateCoordinates (dpy, parent, display->root,
876	0, 0, &x, &y, &unused_cr);	1033	0, 0, &x, &y, &unused_cr);
877	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1034	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
878	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1035	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
879	/*	1036	/*
880	* if Xroot isn't the parent window, a WM will probably have offset	1037	* if display->root isn't the parent window, a WM will probably have offset
881	* our position for handles and decorations. Counter it	1038	* our position for handles and decorations. Counter it
882	*/	1039	*/
883	if (x1 != x || y1 != y) {	1040	if (x1 != x || y1 != y)
		1041	{
884	x -= x1;	1042	x -= x1;
885	y -= y1;	1043	y -= y1;
886	}	1044	}
887		1045
888	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1046	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
889	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1047	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
890	dx = old_width - R->szHint.width;	1048	dx = old_width - szHint.width;
891	dy = old_height - R->szHint.height;	1049	dy = old_height - szHint.height;
892		1050
893	/* Check position of the center of the window */	1051	/* Check position of the center of the window */
894	if (x < x1) /* left half */	1052	if (x < x1) /* left half */
895	dx = 0;	1053	dx = 0;
896	else if (x == x1) /* exact center */	1054	else if (x == x1) /* exact center */
897	dx /= 2;	1055	dx /= 2;
898	if (y < y1) /* top half */	1056	if (y < y1) /* top half */
899	dy = 0;	1057	dy = 0;
900	else if (y == y1) /* exact center */	1058	else if (y == y1) /* exact center */
901	dy /= 2;	1059	dy /= 2;
902		1060
903	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1061	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
904	R->szHint.width, R->szHint.height);	1062	szHint.width, szHint.height);
905	#else	1063	#else
906	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1064	XResizeWindow (dpy, parent, szHint.width, szHint.height);
907	R->szHint.height);
908	#endif	1065	#endif
909	}	1066	}
910		1067
911	fix_screen = (R->TermWin.ncol != R->prev_ncol	1068	if (set_hint)
912	|| R->TermWin.nrow != R->prev_nrow);	1069	XSetWMNormalHints (dpy, parent, &szHint);
		1070
		1071	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1072
913	if (fix_screen || width != R->old_width || height != R->old_height) {	1073	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	}	1074	{
		1075	if (scrollBar.state)
		1076	scrollBar.resize ();
935		1077
		1078	XMoveResizeWindow (dpy, vt,
		1079	window_vt_x, window_vt_y,
		1080	width, height);
		1081
		1082	#ifdef HAVE_BG_PIXMAP
		1083	if (bg_window_size_sensitive ())
		1084	update_background ();
		1085	#endif
		1086	}
		1087
936	if (fix_screen || R->old_height == 0) {	1088	if (fix_screen || old_height == 0)
937	int curr_screen = -1;	1089	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		1090
953	#ifdef USE_XIM	1091	#ifdef USE_XIM
954	rxvt_IMSetStatusPosition(aR);	1092	im_set_position ();
955	#endif	1093	#endif
956	}	1094	}
957		1095
958	/*	1096	/*
959	* Set the width/height of the vt window in characters. Units are pixels.	1097	* Set the width/height of the vt window in characters. Units are pixels.
960	* good for toggling 80/132 columns	1098	* good for toggling 80/132 columns
961	*/	1099	*/
962	/* EXTPROTO */
963	void	1100	void
964	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1101	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
965	{	1102	{
966	XWindowAttributes wattr;	1103	XWindowAttributes wattr;
967		1104
968	if (width == 0 || height == 0) {	1105	if (newwidth == 0 || newheight == 0)
		1106	{
969	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1107	XGetWindowAttributes (dpy, display->root, &wattr);
		1108
970	if (width == 0)	1109	if (newwidth == 0)
971	width = wattr.width - R->szHint.base_width;	1110	newwidth = wattr.width - szHint.base_width;
972	if (height == 0)	1111	if (newheight == 0)
973	height = wattr.height - R->szHint.base_height;	1112	newheight = wattr.height - szHint.base_height;
		1113	}
		1114
		1115	if (newwidth != width || newheight != height)
974	}	1116	{
975	if (width != R->TermWin.width || height != R->TermWin.height) {
976	width += R->szHint.base_width;	1117	newwidth += szHint.base_width;
977	height += R->szHint.base_height;	1118	newheight += szHint.base_height;
978	rxvt_resize_all_windows(aR_ width, height, 0);	1119	resize_all_windows (newwidth, newheight, 0);
979	}	1120	}
980	}	1121	}
981		1122
982	/* -------------------------------------------------------------------- *	1123	/* -------------------------------------------------------------------- *
983	* - X INPUT METHOD ROUTINES - *	1124	* - X INPUT METHOD ROUTINES - *
984	* -------------------------------------------------------------------- */	1125	* -------------------------------------------------------------------- */
985	#ifdef USE_XIM	1126	#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		1127
996	/* INTPROTO */
997	void	1128	void
998	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1129	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
999	{	1130	{
1000	*fg = R->PixColors[Color_fg];	1131	fg = pix_colors [Color_fg];
1001	*bg = R->PixColors[Color_bg];	1132	bg = pix_colors [Color_bg];
		1133	}
		1134
		1135	void
		1136	rxvt_term::im_set_size (XRectangle &size)
		1137	{
		1138	// the int_bwidth terms make no sense to me
		1139	size.x = int_bwidth;
		1140	size.y = int_bwidth;
		1141	size.width = Width2Pixel (ncol) + int_bwidth;
		1142	size.height = Height2Pixel (nrow) + int_bwidth;
		1143	}
		1144
		1145	void
		1146	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1147	XRectangle &status_rect,
		1148	const XRectangle &needed_rect)
		1149	{
		1150	preedit_rect.x = needed_rect.width;
		1151	preedit_rect.y = 0;
		1152	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1153	preedit_rect.height = fheight;
		1154
		1155	status_rect.x = 0;
		1156	status_rect.y = 0;
		1157	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1158	status_rect.height = fheight;
1002	}	1159	}
1003		1160
1004	/* Checking whether input method is running. */	1161	/* Checking whether input method is running. */
1005	/* INTPROTO */
1006	Bool	1162	bool
1007	rxvt_IMisRunning(pR)	1163	rxvt_term::im_is_running ()
1008	{	1164	{
1009	char *p;	1165	Atom atom;
1010	Atom atom;	1166	Window win;
1011	Window win;
1012	char server[IMBUFSIZ];	1167	char server[IMBUFSIZ];
1013		1168
1014	/* get current locale modifier */	1169	/* get current locale modifier */
1015	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1170	if (char *p = XSetLocaleModifiers (0))
		1171	{
1016	STRCPY(server, "@server=");	1172	strcpy (server, "@server=");
1017	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1173	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1174
1018	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1175	if (p = strchr (server + 1, '@')) /* first one only */
1019	*p = '\0';	1176	*p = '\0';
1020		1177
1021	atom = XInternAtom(R->Xdisplay, server, False);	1178	atom = XInternAtom (dpy, server, False);
1022	win = XGetSelectionOwner(R->Xdisplay, atom);	1179	win = XGetSelectionOwner (dpy, atom);
		1180
1023	if (win != None)	1181	if (win != None)
1024	return True;	1182	return true;
1025	}	1183	}
		1184
1026	return False;	1185	return false;
1027	}	1186	}
1028		1187
1029	/* EXTPROTO */
1030	void	1188	void
1031	rxvt_IMSendSpot(pR)	1189	rxvt_term::im_send_spot ()
1032	{	1190	{
1033	XPoint spot;	1191	XPoint nspot;
1034	XVaNestedList preedit_attr;	1192	XVaNestedList preedit_attr;
1035		1193
1036	if (R->Input_Context == NULL	1194	if (!Input_Context
1037	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1195	|| !focus
1038	|| !(R->event_type == KeyPress	1196	|| !(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;	1197	return;
1045		1198
1046	rxvt_setPosition(aR_ & spot);	1199	im_set_position (nspot);
1047		1200
		1201	if (nspot.x == spot.x && nspot.y == spot.y)
		1202	return;
		1203
		1204	spot = nspot;
		1205
1048	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1206	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1049	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1207	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1050	XFree(preedit_attr);	1208	XFree (preedit_attr);
1051	}	1209	}
1052		1210
1053	/* EXTPROTO */
1054	void	1211	void
1055	rxvt_setTermFontSet(pR_ int idx)	1212	rxvt_term::im_destroy ()
1056	{	1213	{
1057	char *string;	1214	if (input_method)
1058	long length;	1215	{
1059	int success = 0;	1216	if (Input_Context && input_method->xim)
		1217	XDestroyIC (Input_Context);
1060		1218
1061	if (idx < 0 || idx >= MAX_NFONTS)	1219	display->put_xim (input_method);
1062	return;	1220	input_method = 0;
1063	}	1221	}
1064		1222
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;	1223	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	}	1224	}
1107		1225
1108	/*	1226	#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		1227
1128	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1228	static void
1129	if (R->Input_Context)	1229	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1130	return;	1230	{
		1231	((rxvt_term *)client_data)->make_current ();
		1232	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1233	}
1131		1234
1132	found = had_im = 0;	1235	static void
1133	p = R->rs[Rs_inputMethod];	1236	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1134	if (p && *p) {	1237	{
1135	had_im = 1;	1238	((rxvt_term *)client_data)->make_current ();
1136	s = rxvt_splitcommastring(p);	1239	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1137	for (i = 0; s[i]; i++) {	1240	}
1138	if (*s[i]) {	1241
1139	STRCPY(buf, "@im=");	1242	static void
1140	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1243	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1141	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1244	{
1142	&& (rxvt_IM_get_IC(aR) == True)) {	1245	rxvt_term *term = (rxvt_term *)client_data;
1143	found = 1;	1246	XIMText *text = call_data->text;
1144	break;	1247
1145	}	1248	term->make_current ();
1146	}	1249
		1250	if (text)
		1251	{
		1252	wchar_t *str;
		1253
		1254	if (!text->encoding_is_wchar && text->string.multi_byte)
		1255	{
		1256	// of course, X makes it ugly again
		1257	if (term->rs[Rs_imLocale])
		1258	SET_LOCALE (term->rs[Rs_imLocale]);
		1259
		1260	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1261	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1262
		1263	if (term->rs[Rs_imLocale])
		1264	SET_LOCALE (term->locale);
1147	}	1265	}
1148	for (i = 0; s[i]; i++)	1266	else
1149	free(s[i]);	1267	str = text->string.wide_char;
1150	free(s);
1151	}
1152	if (found)
1153	return;
1154		1268
1155	/* try with XMODIFIERS env. var. */	1269	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1156	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1270	DT_INT, call_data->caret,
1157	rxvt_IM_get_IC(aR);	1271	DT_INT, call_data->chg_first,
1158	return;	1272	DT_INT, call_data->chg_length,
		1273	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1274	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1275	DT_END));
1159	}	1276	}
1160		1277	else
1161	/* try with no modifiers base IF the user didn't specify an IM */	1278	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1162	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1279	DT_INT, call_data->caret,
1163	&& rxvt_IM_get_IC(aR) == True)	1280	DT_INT, call_data->chg_first,
1164	return;	1281	DT_INT, call_data->chg_length,
		1282	DT_END));
1165	}	1283	}
		1284
		1285	#if 0
		1286	static void
		1287	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1288	{
		1289	((rxvt_term *)client_data)->make_current ();
		1290	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1291	DT_INT, call_data->position,
		1292	DT_INT, call_data->direction,
		1293	DT_INT, call_data->style,
		1294	DT_END));
		1295	}
		1296	#endif
		1297
		1298	#endif
1166		1299
1167	/*	1300	/*
1168	* Try to open a XIM with the current modifiers, then see if we can	1301	* Try to open a XIM with the current modifiers, then see if we can
1169	* open a suitable preedit type	1302	* open a suitable preedit type
1170	*/	1303	*/
1171	/* INTPROTO */
1172	Bool	1304	bool
1173	rxvt_IM_get_IC(pR)	1305	rxvt_term::im_get_ic (const char *modifiers)
1174	{	1306	{
1175	int i, j, found;	1307	int i, j, found;
1176	XIM xim;	1308	XIM xim;
1177	XPoint spot;	1309	XPoint spot;
1178	XRectangle rect, status_rect, needed_rect;	1310	XRectangle rect, status_rect, needed_rect;
1179	unsigned long fg, bg;	1311	unsigned long fg, bg;
1180	const char *p;	1312	const char *p;
1181	char **s;	1313	char **s;
1182	XIMStyles *xim_styles;	1314	XIMStyles *xim_styles;
1183	XVaNestedList preedit_attr, status_attr;
1184	XIMCallback ximcallback;
1185		1315
1186	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1316	set_environ (envv);
1187	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1317
1188	if (xim == NULL)	1318	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1189	return False;	1319	return false;
1190		1320
		1321	input_method = display->get_xim (locale, modifiers);
		1322	if (input_method == NULL)
		1323	return false;
		1324
		1325	xim = input_method->xim;
		1326	spot.x = spot.y = -1;
		1327
1191	xim_styles = NULL;	1328	xim_styles = NULL;
1192	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1329	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1193	|| !xim_styles || !xim_styles->count_styles) {	1330	|| !xim_styles || !xim_styles->count_styles)
1194	XCloseIM(xim);	1331	{
		1332	im_destroy ();
1195	return False;	1333	return false;
		1334	}
		1335
		1336	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1337
		1338	for (int pi = 0; pi < 2; pi++)
1196	}	1339	{
		1340	p = pet[pi];
1197		1341
1198	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1342	if (!p)
1199	: "OverTheSpot,OffTheSpot,Root";	1343	continue;
1200	s = rxvt_splitcommastring(p);	1344
		1345	s = rxvt_strsplit (',', p);
		1346
1201	for (i = found = 0; !found && s[i]; i++) {	1347	for (i = found = 0; !found && s[i]; i++)
		1348	{
1202	if (!STRCMP(s[i], "OverTheSpot"))	1349	if (!strcmp (s[i], "OverTheSpot"))
1203	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1350	input_style = XIMPreeditPosition | XIMStatusNothing;
1204	else if (!STRCMP(s[i], "OffTheSpot"))	1351	else if (!strcmp (s[i], "OffTheSpot"))
1205	R->input_style = (XIMPreeditArea | XIMStatusArea);	1352	input_style = XIMPreeditArea | XIMStatusArea;
1206	else if (!STRCMP(s[i], "Root"))	1353	else if (!strcmp (s[i], "Root"))
1207	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1354	input_style = XIMPreeditNothing | XIMStatusNothing;
		1355	else if (!strcmp (s[i], "None"))
		1356	input_style = XIMPreeditNone | XIMStatusNone;
		1357	#ifdef ENABLE_XIM_ONTHESPOT
		1358	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1359	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1360	#endif
		1361	else
		1362	input_style = XIMPreeditNothing | XIMStatusNothing;
1208		1363
1209	for (j = 0; j < xim_styles->count_styles; j++)	1364	for (j = 0; j < xim_styles->count_styles; j++)
1210	if (R->input_style == xim_styles->supported_styles[j]) {	1365	if (input_style == xim_styles->supported_styles[j])
		1366	{
		1367	rxvt_free_strsplit (s);
		1368
1211	found = 1;	1369	found = 1;
		1370	goto foundpet;
		1371	}
		1372
		1373	}
		1374
		1375	rxvt_free_strsplit (s);
		1376	}
		1377
		1378	foundpet:
		1379
		1380	XFree (xim_styles);
		1381
		1382	if (!found)
		1383	{
		1384	im_destroy ();
		1385	return false;
		1386	}
		1387
		1388	XFontSet fs = 0;
		1389	XVaNestedList preedit_attr = 0, status_attr = 0;
		1390
		1391	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1392	{
		1393	// fake us a font-set, please
		1394	char **missing_charset_list;
		1395	int missing_charset_count;
		1396	char *def_string;
		1397	char pat[512];
		1398
		1399	sprintf (pat,
		1400	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1401	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1402	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1403	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1404	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1405	"*",
		1406	fheight,
		1407	fheight + 1, fheight - 1,
		1408	fheight - 2, fheight + 2);
		1409
		1410	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1411	&missing_charset_list, &missing_charset_count, &def_string);
		1412
		1413	if (missing_charset_list)
		1414	XFreeStringList (missing_charset_list);
		1415
		1416	if (!fs)
		1417	{
		1418	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1419	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1420	}
		1421	}
		1422
		1423	if (input_style & XIMPreeditPosition)
		1424	{
		1425	im_set_size (rect);
		1426	im_set_position (spot);
		1427	im_set_color (fg, bg);
		1428
		1429	preedit_attr = XVaCreateNestedList (0,
		1430	XNForeground, fg,
		1431	XNBackground, bg,
		1432	XNArea, &rect,
		1433	XNSpotLocation, &spot,
		1434	XNFontSet, fs,
		1435	NULL);
		1436	}
		1437	else if (input_style & XIMPreeditArea)
		1438	{
		1439	im_set_color (fg, bg);
		1440
		1441	/*
		1442	* The necessary width of preedit area is unknown
		1443	* until create input context.
		1444	*/
		1445	needed_rect.width = 0;
		1446	im_set_preedit_area (rect, status_rect, needed_rect);
		1447
		1448	preedit_attr = XVaCreateNestedList (0,
		1449	XNForeground, fg,
		1450	XNBackground, bg,
		1451	XNArea, &rect,
		1452	XNFontSet, fs,
		1453	NULL);
		1454	status_attr = XVaCreateNestedList (0,
		1455	XNForeground, fg,
		1456	XNBackground, bg,
		1457	XNArea, &status_rect,
		1458	XNFontSet, fs,
		1459	NULL);
		1460	}
		1461	#if ENABLE_XIM_ONTHESPOT
		1462	else if (input_style & XIMPreeditCallbacks)
		1463	{
		1464	XIMCallback xcb[4];
		1465
		1466	im_set_position (spot);
		1467
		1468	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1469	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1470	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1471	# if 0
		1472	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1473	# endif
		1474
		1475	preedit_attr = XVaCreateNestedList (0,
		1476	XNSpotLocation, &spot,
		1477	XNPreeditStartCallback, &xcb[0],
		1478	XNPreeditDoneCallback , &xcb[1],
		1479	XNPreeditDrawCallback , &xcb[2],
		1480	# if 0
		1481	XNPreeditCaretCallback, &xcb[3],
		1482	# endif
		1483	NULL);
		1484	}
		1485	#endif
		1486
		1487	Input_Context = XCreateIC (xim,
		1488	XNInputStyle, input_style,
		1489	XNClientWindow, vt,
		1490	XNFocusWindow, parent,
		1491	preedit_attr ? XNPreeditAttributes : NULL,
		1492	preedit_attr,
		1493	status_attr ? XNStatusAttributes : NULL,
		1494	status_attr, NULL);
		1495
		1496	if (preedit_attr) XFree (preedit_attr);
		1497	if (status_attr) XFree (status_attr);
		1498	if (fs) XFreeFontSet (dpy, fs);
		1499
		1500	if (Input_Context == NULL)
		1501	{
		1502	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1503	im_destroy ();
		1504	return false;
		1505	}
		1506
		1507	#if 0
		1508	// unfortunately, only the focus window is used by XIM, hard to fix
		1509	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1510	vt_select_input ();
		1511	#endif
		1512
		1513	im_set_position ();
		1514
		1515	return true;
		1516	}
		1517
		1518	void
		1519	rxvt_term::im_cb ()
		1520	{
		1521	int i;
		1522	const char *p;
		1523	char **s;
		1524	char buf[IMBUFSIZ];
		1525
		1526	make_current ();
		1527
		1528	im_destroy ();
		1529
		1530	if (Input_Context)
		1531	return;
		1532
		1533	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1534	if (rs[Rs_imLocale])
		1535	SET_LOCALE (rs[Rs_imLocale]);
		1536	#endif
		1537
		1538	p = rs[Rs_inputMethod];
		1539	if (p && *p)
		1540	{
		1541	bool found = false;
		1542
		1543	s = rxvt_strsplit (',', p);
		1544
		1545	for (i = 0; s[i]; i++)
		1546	{
		1547	if (*s[i])
		1548	{
		1549	strcpy (buf, "@im=");
		1550	strncat (buf, s[i], IMBUFSIZ - 5);
		1551	if (im_get_ic (buf))
		1552	{
		1553	found = true;
1212	break;	1554	break;
		1555	}
1213	}	1556	}
1214	}	1557	}
1215	for (i = 0; s[i]; i++)
1216	free(s[i]);
1217	free(s);
1218	XFree(xim_styles);
1219		1558
		1559	rxvt_free_strsplit (s);
		1560
1220	if (!found) {	1561	if (found)
1221	XCloseIM(xim);	1562	goto done;
1222	return False;
1223	}	1563	}
1224		1564
1225	ximcallback.callback = rxvt_IMDestroyCallback;	1565	/* try with XMODIFIERS env. var. */
		1566	if (im_get_ic (""))
		1567	goto done;
1226		1568
1227	/* XXX: not sure why we need this (as well as IC one below) */	1569	/* try with no modifiers base IF the user didn't specify an IM */
1228	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1570	if (im_get_ic ("@im=none"))
		1571	goto done;
1229		1572
1230	preedit_attr = status_attr = NULL;	1573	done:
1231		1574	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1232	if (R->input_style & XIMPreeditPosition) {	1575	if (rs[Rs_imLocale])
1233	rxvt_setSize(aR_ & rect);	1576	SET_LOCALE (locale);
1234	rxvt_setPosition(aR_ & spot);	1577	#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	}	1578	}
1284		1579
1285	/* EXTPROTO */
1286	void	1580	void
1287	rxvt_IMSetStatusPosition(pR)	1581	rxvt_term::im_set_position ()
1288	{	1582	{
1289	XRectangle preedit_rect, status_rect, *needed_rect;	1583	XRectangle preedit_rect, status_rect, *needed_rect;
1290	XVaNestedList preedit_attr, status_attr;	1584	XVaNestedList preedit_attr, status_attr;
1291		1585
1292	if (R->Input_Context == NULL	1586	if (!Input_Context
1293	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1587	|| !focus
1294	|| !rxvt_IMisRunning(aR))	1588	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
		1589	|| !im_is_running ())
1295	return;	1590	return;
1296		1591
		1592	if (input_style & XIMPreeditPosition)
		1593	{
		1594	im_set_size (preedit_rect);
		1595	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1596
		1597	XSetICValues (Input_Context,
		1598	XNPreeditAttributes, preedit_attr, NULL);
		1599	}
		1600	else
		1601	{
1297	/* Getting the necessary width of preedit area */	1602	/* Getting the necessary width of preedit area */
1298	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1603	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1299	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1604	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1300	XFree(status_attr);	1605	XFree (status_attr);
1301		1606
1302	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1607	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1608	XFree (needed_rect);
1303		1609
1304	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1610	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1305	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1611	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1306		1612
1307	XSetICValues(R->Input_Context,	1613	XSetICValues (Input_Context,
1308	XNPreeditAttributes, preedit_attr,	1614	XNPreeditAttributes, preedit_attr,
1309	XNStatusAttributes, status_attr, NULL);	1615	XNStatusAttributes, status_attr,
		1616	NULL);
1310		1617
		1618	XFree (status_attr);
		1619	}
		1620
1311	XFree(preedit_attr);	1621	XFree (preedit_attr);
1312	XFree(status_attr);
1313	}	1622	}
1314	#endif /* USE_XIM */	1623	#endif /* USE_XIM */
1315		1624
1316	/*----------------------------------------------------------------------*/	1625	void
1317	rxvt_t rxvt_current_term;	1626	rxvt_term::get_window_origin (int &x, int &y)
		1627	{
		1628	Window cr;
		1629	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1630	}
		1631
		1632	Pixmap
		1633	rxvt_term::get_pixmap_property (Atom property)
		1634	{
		1635	Pixmap pixmap = None;
		1636
		1637	int aformat;
		1638	unsigned long nitems, bytes_after;
		1639	Atom atype;
		1640	unsigned char *prop;
		1641	int result = XGetWindowProperty (dpy, display->root, property,
		1642	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1643	&nitems, &bytes_after, &prop);
		1644	if (result == Success)
		1645	{
		1646	if (atype == XA_PIXMAP)
		1647	pixmap = *(Pixmap *)prop;
		1648	XFree (prop);
		1649	}
		1650
		1651	return pixmap;
		1652	}
		1653
		1654	#ifdef HAVE_BG_PIXMAP
		1655
		1656	void
		1657	rxvt_term::update_background ()
		1658	{
		1659	if (update_background_ev.is_active ())
		1660	return;
		1661
		1662	bg_invalidate ();
		1663
		1664	if (!mapped)
		1665	return;
		1666
		1667	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1668
		1669	if (to_wait <= 0.)
		1670	bg_render ();
		1671	else
		1672	update_background_ev.start (to_wait);
		1673	}
		1674
		1675	void
		1676	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1677	{
		1678	make_current ();
		1679
		1680	update_background_ev.stop ();
		1681	bg_render ();
		1682	refresh_check ();
		1683	}
		1684
		1685	#endif /* HAVE_BG_PIXMAP */
1318		1686
1319	/*----------------------- end-of-file (C source) -----------------------*/	1687	/*----------------------- end-of-file (C source) -----------------------*/

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