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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.4 by pcg, Tue Nov 25 15:25:17 2003 UTC vs.
Revision 1.357 by sf-exg, Sat Jul 9 13:14:47 2011 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.4 2003/11/25 15:25:17 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.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),
64	x_ev (this, &rxvt_term::x_cb)
65	{	156	{
		157	#if HAVE_BG_PIXMAP
		158	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		159	#endif
		160	#ifdef CURSOR_BLINK
		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),
		181	#endif
		182	#ifdef POINTER_BLANK
		183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
		184	#endif
		185	#ifndef NO_BELL
		186	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		187	#endif
		188	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		189	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		190	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		191	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		192	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194
66	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;
67	}	214	}
68		215
69	rxvt_term::~rxvt_term ()	216	rxvt_term::~rxvt_term ()
70	{	217	{
71	delete PixColors;	218	termlist.erase (find (termlist.begin (), termlist.end(), this));
72	}
73		219
74	/*----------------------------------------------------------------------*/	220	emergency_cleanup ();
75	/* rxvt_init() */
76	/* LIBPROTO */
77	rxvt_t
78	rxvt_init(int argc, const char *const *argv)
79	{
80	SET_R(new rxvt_term);
81	dR;
82		221
83	if (!R->init_vars () || !R->init (argc, argv))	222	#if ENABLE_STYLES
84	{	223	for (int i = RS_styleCount; --i; )
85	delete R;	224	if (fontset[i] != fontset[0])
86	return NULL;	225	delete fontset[i];
		226	#endif
		227	delete fontset[0];
		228
		229	#ifdef HAVE_BG_PIXMAP
		230	bg_destroy ();
		231	#endif
		232
		233	if (display)
87	}	234	{
		235	selection_clear ();
		236	selection_clear (true);
88		237
		238	#ifdef USE_XIM
		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);
		262	}
		263
		264	scr_release ();
		265
		266	/* clear all resources */
		267	for (int i = 0; i < allocated.size (); i++)
		268	free (allocated [i]);
		269
		270	free (selection.text);
		271	free (selection.clip_text);
		272	// TODO: manage env vars in child only(!)
		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 ();
		301	}
		302
		303	void
		304	rxvt_term::destroy ()
		305	{
		306	if (destroy_ev.is_active ())
89	return R;	307	return;
90	}
91		308
92	bool	309	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
93	rxvt_term::init (int argc, const char *const *argv)
94	{
95	dR;//TODO (scrollbar, setidle)
96		310
97	/*	311	#if ENABLE_OVERLAY
98	* Save and then give up any super-user privileges	312	scr_overlay_off ();
99	* If we need privileges in any area then we must specifically request it.
100	* We should only need to be root in these cases:
101	* 1. write utmp entries on some systems
102	* 2. chown tty on some systems
103	*/
104	rxvt_privileges (this, SAVE);
105	rxvt_privileges (this, IGNORE);
106
107	rxvt_init_secondary (this);
108
109	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
110
111	#if (MENUBAR_MAX)
112	rxvt_menubar_read (this, rs[Rs_menu]);
113	#endif	313	#endif
114	#ifdef HAVE_SCROLLBARS
115	if (Options & Opt_scrollBar)
116	scrollbar_setIdle (); /* set existence for size calculations */
117	#endif
118		314
119	rxvt_Create_Windows (this, argc, argv);	315	if (display)
120
121	rxvt_init_xlocale (this);
122
123	rxvt_scr_reset (this); /* initialize screen */
124	#ifdef RXVT_GRAPHICS
125	rxvt_Gr_reset (this); /* reset graphics */
126	#endif
127
128	#if 0
129	#ifdef DEBUG_X
130	XSynchronize(Xdisplay, True);
131	XSetErrorHandler((XErrorHandler) abort);
132	#else
133	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
134	#endif
135	#endif
136
137	#ifdef HAVE_SCROLLBARS
138	if (Options & Opt_scrollBar)
139	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
140	#endif
141	#if (MENUBAR_MAX)
142	if (menubar_visible(r))
143	XMapWindow (Xdisplay, menuBar.win);
144	#endif
145	#ifdef TRANSPARENT
146	if (Options & Opt_transparent)
147	{
148	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
149	rxvt_check_our_parents (this);
150	}	316	{
		317	#if USE_XIM
		318	im_ev.stop (display);
151	#endif	319	#endif
152	XMapWindow (Xdisplay, TermWin.vt);	320	scrollbar_ev.stop (display);
153	XMapWindow (Xdisplay, TermWin.parent[0]);	321	#if ENABLE_TRANSPARENCY || ENABLE_PERL
154		322	rootwin_ev.stop (display);
155	rxvt_init_env (this);
156	rxvt_init_command (this, cmd_argv);
157
158	x_ev.start (Xfd, EVENT_READ);
159	pty_ev.start (cmd_fd, EVENT_READ);
160
161	return true;
162	}
163
164	/* ------------------------------------------------------------------------- *
165	* SIGNAL HANDLING & EXIT HANDLER *
166	* ------------------------------------------------------------------------- */
167	/*
168	* Catch a SIGCHLD signal and exit if the direct child has died
169	*/
170	/* ARGSUSED */
171	/* EXTPROTO */
172	RETSIGTYPE
173	rxvt_Child_signal(int sig __attribute__ ((unused)))
174	{
175	dR;
176	int pid, save_errno = errno;
177
178	do {
179	errno = 0;
180	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
181
182	if (pid == R->cmd_pid)
183	exit(EXIT_SUCCESS);
184
185	errno = save_errno;
186	signal(SIGCHLD, rxvt_Child_signal);
187	}
188
189	/*
190	* Catch a fatal signal and tidy up before quitting
191	*/
192	/* EXTPROTO */
193	RETSIGTYPE
194	rxvt_Exit_signal(int sig)
195	{
196	signal(sig, SIG_DFL);
197	#ifdef DEBUG_CMD
198	rxvt_print_error("signal %d", sig);
199	#endif	323	#endif
200	rxvt_clean_exit();	324	termwin_ev.stop (display);
201	kill(getpid(), sig);	325	vt_ev.stop (display);
202	}
203
204	/* ARGSUSED */
205	/* INTPROTO */
206	int
207	rxvt_xerror_handler(const Display * display
208	__attribute__ ((unused)), const XErrorEvent * event)
209	{
210	dR;
211
212	if (R->allowedxerror == -1) {
213	R->allowedxerror = event->error_code;
214	return 0; /* ignored anyway */
215	}	326	}
216	rxvt_print_error("XError: Request: %d . %d, Error: %d",	327
217	event->request_code, event->minor_code,	328	flush_ev.stop ();
218	event->error_code);	329	pty_ev.stop ();
219	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	330	#ifdef CURSOR_BLINK
220	exit(EXIT_FAILURE);	331	cursor_blink_ev.stop ();
221	/* NOTREACHED */	332	#endif
		333	#ifdef TEXT_BLINK
		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 ();
		341	#endif
		342	#ifdef POINTER_BLANK
		343	pointer_ev.stop ();
		344	#endif
		345
		346	destroy_ev.start ();
		347	}
		348
		349	void
		350	rxvt_term::destroy_cb (ev::idle &w, int revents)
		351	{
		352	make_current ();
		353
		354	delete this;
		355	}
		356
		357	void
		358	rxvt_term::set_option (uint8_t opt, bool set)
		359	{
		360	if (!opt)
		361	return;
		362
		363	uint8_t mask = 1 << (opt & 7);
		364	uint8_t &val = options [opt >> 3];
		365
		366	val = val & ~mask | (set ? mask : 0);
222	}	367	}
223		368
224	/*----------------------------------------------------------------------*/	369	/*----------------------------------------------------------------------*/
225	/*	370	/*
226	* Exit gracefully, clearing the utmp entry and restoring tty attributes	371	* Exit gracefully, clearing the utmp entry and restoring tty attributes
227	* 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
228	*/	373	*/
229	/* EXTPROTO */	374	static XErrorHandler old_xerror_handler;
230	void
231	rxvt_clean_exit(void)
232	{
233	dR;
234		375
235	#ifdef DEBUG_SCREEN	376	static void
236	rxvt_scr_release(aR);	377	rxvt_emergency_cleanup ()
		378	{
		379	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		380	(*t)->emergency_cleanup ();
		381	}
		382
		383	#if !ENABLE_MINIMAL
		384	static void
		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	}
237	#endif	430	#endif
238	#ifndef NO_SETOWNER_TTYDEV	431
239	rxvt_privileged_ttydev(aR_ RESTORE);	432	int
240	#endif	433	rxvt_xerror_handler (Display *display, XErrorEvent *event)
241	#ifdef UTMP_SUPPORT	434	{
242	rxvt_privileged_utmp(aR_ RESTORE);	435	if (GET_R->allowedxerror == -1)
243	#endif	436	GET_R->allowedxerror = event->error_code;
244	#ifdef USE_XIM	437	else
245	if (R->Input_Context != NULL) {
246	XDestroyIC(R->Input_Context);
247	R->Input_Context = NULL;
248	}	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);
249	#endif	445	#endif
250	}	446	}
251		447
252	/* ------------------------------------------------------------------------- *	448	return 0;
253	* MEMORY ALLOCATION WRAPPERS *	449	}
254	* ------------------------------------------------------------------------- */
255	/* EXTPROTO */
256	void *
257	rxvt_malloc(size_t size)
258	{
259	void *p;
260		450
261	p = malloc(size);	451	int
262	if (p)	452	rxvt_xioerror_handler (Display *display)
263	return p;	453	{
264		454	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
265	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	455	DisplayString (display));
266	rxvt_clean_exit();	456	rxvt_emergency_cleanup ();
267	exit(EXIT_FAILURE);	457	_exit (EXIT_FAILURE);
268	/* NOTREACHED */
269	}	458	}
270		459
271	/* EXTPROTO */	460	static struct sig_handlers
272	void *
273	rxvt_calloc(size_t number, size_t size)
274	{	461	{
275	void *p;	462	ev::sig sw_term, sw_int;
276		463
277	p = calloc(number, size);	464	/*
278	if (p)	465	* Catch a fatal signal and tidy up before quitting
279	return p;	466	*/
		467	void sig_term (ev::sig &w, int revents);
280		468
281	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	469	sig_handlers ()
282	rxvt_clean_exit();	470	{
283	exit(EXIT_FAILURE);	471	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
284	/* NOTREACHED */	472	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
285	}	473	}
		474	} sig_handlers;
286		475
287	/* EXTPROTO */
288	void *
289	rxvt_realloc(void *ptr, size_t size)
290	{
291	void *p;
292
293	if (ptr)
294	p = realloc(ptr, size);
295	else
296	p = malloc(size);
297	if (p)
298	return p;
299
300	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
301	rxvt_clean_exit();
302	exit(EXIT_FAILURE);
303	/* NOTREACHED */
304	}
305
306	/* ------------------------------------------------------------------------- *
307	* PRIVILEGED OPERATIONS *
308	* ------------------------------------------------------------------------- */
309	/* take care of suid/sgid super-user (root) privileges */
310	/* INTPROTO */
311	void	476	void
312	rxvt_privileges(pR_ int mode)	477	sig_handlers::sig_term (ev::sig &w, int revents)
313	{	478	{
314	#if ! defined(__CYGWIN32__)	479	rxvt_emergency_cleanup ();
315	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	480	w.stop ();
316	/* setreuid() is the poor man's setuid(), seteuid() */	481	kill (getpid (), w.signum);
317	# define seteuid(a) setreuid(-1, (a))	482	}
318	# define setegid(a) setregid(-1, (a))	483
319	# 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;
320	# endif	506	# endif
321	# ifdef HAVE_SETEUID	507	# ifdef VREPRINT
322	switch (mode) {	508	tio->c_cc[VREPRINT] = CRPRNT;
323	case IGNORE:
324	/*
325	* change effective uid/gid - not real uid/gid - so we can switch
326	* back to root later, as required
327	*/
328	seteuid(getuid());
329	setegid(getgid());
330	break;
331	case SAVE:
332	R->euid = geteuid();
333	R->egid = getegid();
334	break;
335	case RESTORE:
336	seteuid(R->euid);
337	setegid(R->egid);
338	break;
339	}
340	# else
341	switch (mode) {
342	case IGNORE:
343	setuid(getuid());
344	setgid(getgid());
345	/* FALLTHROUGH */
346	case SAVE:
347	/* FALLTHROUGH */
348	case RESTORE:
349	break;
350	}
351	# endif	509	# endif
352	#endif	510	# ifdef VDISCRD
353	}	511	tio->c_cc[VDISCRD] = CFLUSH;
354
355	#ifdef UTMP_SUPPORT
356	/* EXTPROTO */
357	void
358	rxvt_privileged_utmp(pR_ char action)
359	{
360	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
361	action, R->next_utmp_action, getpid()));
362	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
363	|| (R->Options & Opt_utmpInhibit)
364	|| R->ttydev == NULL || *R->ttydev == '\0')
365	return;
366
367	rxvt_privileges(aR_ RESTORE);
368	if (action == SAVE) {
369	R->next_utmp_action = RESTORE;
370	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
371	} else { /* action == RESTORE */
372	R->next_utmp_action = IGNORE;
373	rxvt_cleanutent(aR);
374	}
375	rxvt_privileges(aR_ IGNORE);
376	}
377	#endif
378
379	#ifndef NO_SETOWNER_TTYDEV
380	/* EXTPROTO */
381	void
382	rxvt_privileged_ttydev(pR_ char action)
383	{
384	D_MAIN((stderr,
385	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
386	action, R->next_tty_action, getpid()));
387	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
388	|| R->ttydev == NULL || *R->ttydev == '\0')
389	return;
390
391	rxvt_privileges(aR_ RESTORE);
392
393	if (action == SAVE) {
394	R->next_tty_action = RESTORE;
395	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
396	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
397	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
398	R->next_tty_action = IGNORE;
399	else
400	# endif	512	# endif
401	{	513	# ifdef VWERSE
402	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	514	tio->c_cc[VWERSE] = CWERASE;
403	chmod(R->ttydev, R->ttymode);
404	# ifdef HAVE_REVOKE
405	revoke(R->ttydev);
406	# endif	515	# endif
407	}	516	# ifdef VLNEXT
408	} else { /* action == RESTORE */	517	tio->c_cc[VLNEXT] = CLNEXT;
409	R->next_tty_action = IGNORE;
410	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
411	chmod(R->ttydev, R->ttyfd_stat.st_mode);
412	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
413	# else
414	chmod(R->ttydev,
415	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
416	chown(R->ttydev, 0, 0);
417	# endif	518	# endif
418	}	519	# ifdef VSTATUS
419		520	tio->c_cc[VSTATUS] = CSTATUS;
420	rxvt_privileges(aR_ IGNORE);
421
422	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
423	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
424	action == RESTORE ? "Restoring" : (action ==
425	SAVE ? "Saving" :
426	"UNKNOWN ERROR for"), R->ttydev,
427	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
428	R->ttyfd_stat.st_gid));
429	# endif	521	# endif
430	}	522
		523	# if VMIN != VEOF
		524	tio->c_cc[VMIN] = 1;
431	#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	}
432		582
433	/*----------------------------------------------------------------------*/	583	/*----------------------------------------------------------------------*/
434	/*	584	/*
435	* window size/position calculcations for XSizeHint and other storage.	585	* window size/position calculations for XSizeHint and other storage.
436	* if width/height are non-zero then override calculated width/height	586	* if width/height are non-zero then override calculated width/height
437	*/	587	*/
438	/* EXTPROTO */
439	void	588	void
440	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	589	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
441	{	590	{
442	short recalc_x, recalc_y;	591	short recalc_x, recalc_y;
443	int x, y, sb_w, mb_h, flags;	592	int x, y, flags;
444	unsigned int w, h;	593	unsigned int w, h;
445	unsigned int max_width, max_height;	594	unsigned int max_width, max_height;
446		595
447	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
448	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
449	R->szHint.height));
450	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	596	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
451	R->szHint.win_gravity = NorthWestGravity;	597	szHint.win_gravity = NorthWestGravity;
452	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	598	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
453		599
454	recalc_x = recalc_y = 0;	600	recalc_x = recalc_y = 0;
455	flags = 0;	601	flags = 0;
		602
456	if (!R->parsed_geometry) {	603	if (!parsed_geometry)
		604	{
457	R->parsed_geometry = 1;	605	parsed_geometry = 1;
		606
458	if (R->rs[Rs_geometry])	607	if (rs[Rs_geometry])
459	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	608	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		609
460	if (flags & WidthValue) {	610	if (flags & WidthValue)
461	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 ());
462	R->szHint.flags |= USSize;	616	szHint.flags |= USSize;
463	}	617	}
		618
464	if (flags & HeightValue) {	619	if (flags & HeightValue)
465	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 ());
466	R->szHint.flags |= USSize;	625	szHint.flags |= USSize;
467	}	626	}
		627
468	if (flags & XValue) {	628	if (flags & XValue)
		629	{
469	R->szHint.x = x;	630	szHint.x = x;
470	R->szHint.flags |= USPosition;	631	szHint.flags |= USPosition;
		632
471	if (flags & XNegative) {	633	if (flags & XNegative)
		634	{
472	recalc_x = 1;	635	recalc_x = 1;
473	R->szHint.win_gravity = NorthEastGravity;	636	szHint.win_gravity = NorthEastGravity;
474	}	637	}
475	}	638	}
		639
476	if (flags & YValue) {	640	if (flags & YValue)
		641	{
477	R->szHint.y = y;	642	szHint.y = y;
478	R->szHint.flags |= USPosition;	643	szHint.flags |= USPosition;
		644
479	if (flags & YNegative) {	645	if (flags & YNegative)
		646	{
480	recalc_y = 1;	647	recalc_y = 1;
		648
481	if (R->szHint.win_gravity == NorthEastGravity)	649	if (szHint.win_gravity == NorthEastGravity)
482	R->szHint.win_gravity = SouthEastGravity;	650	szHint.win_gravity = SouthEastGravity;
483	else	651	else
484	R->szHint.win_gravity = SouthWestGravity;	652	szHint.win_gravity = SouthWestGravity;
485	}	653	}
486	}	654	}
487	}	655	}
		656
488	/* TODO: BOUNDS */	657	/* TODO: BOUNDS */
489	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	658	width = ncol * fwidth;
490	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	659	height = nrow * fheight;
491	max_width = MAX_COLS * R->TermWin.fwidth;	660	max_width = MAX_COLS * fwidth;
492	max_height = MAX_ROWS * R->TermWin.fheight;	661	max_height = MAX_ROWS * fheight;
493		662
494	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	663	szHint.base_width = szHint.base_height = 2 * int_bwidth;
495		664
496	sb_w = mb_h = 0;
497	R->window_vt_x = R->window_vt_y = 0;	665	window_vt_x = window_vt_y = int_bwidth;
498	if (scrollbar_visible(R)) {	666
		667	if (scrollBar.state)
		668	{
499	sb_w = scrollbar_TotalWidth();	669	int sb_w = scrollBar.total_width ();
500	R->szHint.base_width += sb_w;	670	szHint.base_width += sb_w;
		671
501	if (!(R->Options & Opt_scrollBar_right))	672	if (!option (Opt_scrollBar_right))
502	R->window_vt_x = sb_w;	673	window_vt_x += sb_w;
503	}	674	}
504	if (menubar_visible(R)) {	675
505	mb_h = menuBar_TotalHeight();
506	R->szHint.base_height += mb_h;
507	R->window_vt_y = mb_h;
508	}
509	R->szHint.width_inc = R->TermWin.fwidth;	676	szHint.width_inc = fwidth;
510	R->szHint.height_inc = R->TermWin.fheight;	677	szHint.height_inc = fheight;
511	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	678	szHint.min_width = szHint.base_width + szHint.width_inc;
512	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	679	szHint.min_height = szHint.base_height + szHint.height_inc;
513		680
514	if (width && width - R->szHint.base_width < max_width) {	681	if (newwidth && newwidth - szHint.base_width < max_width)
		682	{
515	R->szHint.width = width;	683	szHint.width = newwidth;
516	R->TermWin.width = width - R->szHint.base_width;	684	width = newwidth - szHint.base_width;
517	} else {	685	}
518	MIN_IT(R->TermWin.width, max_width);	686	else
		687	{
		688	min_it (width, max_width);
519	R->szHint.width = R->szHint.base_width + R->TermWin.width;	689	szHint.width = szHint.base_width + width;
520	}	690	}
		691
521	if (height && height - R->szHint.base_height < max_height) {	692	if (newheight && newheight - szHint.base_height < max_height)
		693	{
522	R->szHint.height = height;	694	szHint.height = newheight;
523	R->TermWin.height = height - R->szHint.base_height;	695	height = newheight - szHint.base_height;
524	} else {	696	}
525	MIN_IT(R->TermWin.height, max_height);	697	else
		698	{
		699	min_it (height, max_height);
526	R->szHint.height = R->szHint.base_height + R->TermWin.height;	700	szHint.height = szHint.base_height + height;
527	}	701	}
528	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
529	R->window_sb_x = R->szHint.width - sb_w;
530		702
531	if (recalc_x)	703	if (recalc_x)
532	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	704	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
533	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	705
534	if (recalc_y)	706	if (recalc_y)
535	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	707	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
536	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
537		708
538	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	709	ncol = width / fwidth;
539	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	710	nrow = height / fheight;
540	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
541	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
542	R->szHint.height));
543	return;
544	}	711	}
545		712
546	/*----------------------------------------------------------------------*/	713	/*----------------------------------------------------------------------*/
547	/*	714	/*
548	* Tell the teletype handler what size the window is.	715	* Tell the teletype handler what size the window is.
549	* Called after a window size change.	716	* Called after a window size change.
550	*/	717	*/
551	/* EXTPROTO */
552	void	718	void
553	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	719	rxvt_term::tt_winch ()
554	{	720	{
		721	if (pty->pty < 0)
		722	return;
		723
555	struct winsize ws;	724	struct winsize ws;
556		725
557	if (fd < 0)
558	return;
559	ws.ws_col = col;	726	ws.ws_col = ncol;
560	ws.ws_row = row;	727	ws.ws_row = nrow;
561	ws.ws_xpixel = ws.ws_ypixel = 0;	728	ws.ws_xpixel = width;
562	#ifndef DEBUG_SIZE	729	ws.ws_ypixel = height;
563	(void)ioctl(fd, TIOCSWINSZ, &ws);	730	ioctl (pty->pty, TIOCSWINSZ, &ws);
		731
		732	#if 0
		733	// TIOCSWINSZ is supposed to do this automatically and correctly
		734	if (cmd_pid) /* force through to the command */
		735	kill (-cmd_pid, SIGWINCH);
		736	#endif
		737	}
		738
		739	/*----------------------------------------------------------------------*/
		740	/* load and set the various fonts */
		741	bool
		742	rxvt_term::set_fonts ()
		743	{
		744	rxvt_fontset *fs = new rxvt_fontset (this);
		745	rxvt_fontprop prop;
		746
		747	if (!fs
		748	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		749	|| !fs->realize_font (1))
		750	{
		751	delete fs;
		752	return false;
		753	}
		754
		755	#if ENABLE_STYLES
		756	for (int i = RS_styleCount; --i; )
		757	if (fontset[i] != fontset[0])
		758	delete fontset[i];
		759	#endif
		760
		761	delete fontset[0];
		762	fontset[0] = fs;
		763
		764	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		765	prop.height += lineSpace;
		766	prop.width += letterSpace;
		767
		768	fs->set_prop (prop, false);
		769
		770	fwidth = prop.width;
		771	fheight = prop.height;
		772	fbase = prop.ascent;
		773
		774	for (int style = 1; style < 4; style++)
		775	{
		776	#if ENABLE_STYLES
		777	const char *res = rs[Rs_font + style];
		778
		779	if (res && !*res)
		780	fontset[style] = fontset[0];
		781	else
		782	{
		783	fontset[style] = fs = new rxvt_fontset (this);
		784	rxvt_fontprop prop2 = prop;
		785
		786	if (res)
		787	{
		788	fs->populate (res);
		789	fs->set_prop (prop2, false);
		790	}
		791	else
		792	{
		793	fs->populate (fontset[0]->fontdesc);
		794
		795	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		796	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		797
		798	fs->set_prop (prop2, true);
		799	}
		800
		801	}
564	#else	802	#else
565	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	803	fontset[style] = fontset[0];
566	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
567	}
568	# ifdef SIGWINCH
569	else if (pid) /* force through to the command */
570	kill(pid, SIGWINCH);
571	# endif	804	#endif
572	#endif	805	}
573	}
574		806
575	/*----------------------------------------------------------------------*/	807	if (parent)
576	/* rxvt_change_font() - Switch to a new font */	808	{
577	/*	809	resize_all_windows (0, 0, 0);
578	* init = 1 - initialize	810	scr_remap_chars ();
579	*	811	scr_touch (true);
580	* fontname == FONT_UP - switch to bigger font	812	}
581	* fontname == FONT_DN - switch to smaller font
582	*/
583	/* EXTPROTO */
584	void
585	rxvt_change_font(pR_ int init, const char *fontname)
586	{
587	}
588		813
589	/* INTPROTO */	814	return true;
		815	}
		816
590	void	817	void
591	rxvt_font_up_down(pR_ int n, int direction)	818	rxvt_term::set_string_property (Atom prop, const char *str, int len)
592	{	819	{
		820	XChangeProperty (dpy, parent,
		821	prop, XA_STRING, 8, PropModeReplace,
		822	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		823	}
		824
		825	void
		826	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		827	{
		828	XTextProperty ct;
		829
		830	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		831	{
		832	XSetTextProperty (dpy, parent, &ct, prop);
		833	XFree (ct.value);
		834	}
		835	}
		836
		837	void
		838	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		839	{
		840	wchar_t *ws = rxvt_mbstowcs (str, len);
		841	char *s = rxvt_wcstoutf8 (ws);
		842
		843	XChangeProperty (dpy, parent,
		844	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		845	(const unsigned char *)s, strlen (s));
		846
		847	free (s);
		848	free (ws);
593	}	849	}
594		850
595	/*----------------------------------------------------------------------*/	851	/*----------------------------------------------------------------------*/
596	/*----------------------------------------------------------------------*/	852	/*----------------------------------------------------------------------*/
597	/* xterm sequences - title, iconName, color (exptl) */	853	/* xterm sequences - title, iconName, color (exptl) */
598	/* EXTPROTO */
599	void	854	void
600	rxvt_set_title(pR_ const char *str)	855	rxvt_term::set_title (const char *str)
601	{	856	{
602	#ifndef SMART_WINDOW_TITLE	857	set_mbstring_property (XA_WM_NAME, str);
603	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	858	#if ENABLE_EWMH
604	#else	859	set_utf8_property (xa[XA_NET_WM_NAME], str);
605	char *name;
606
607	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
608	name = NULL;
609	if (name == NULL || STRCMP(name, str))
610	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
611	if (name)
612	XFree(name);
613	#endif	860	#endif
614	}	861	}
615		862
616	/* EXTPROTO */
617	void	863	void
618	rxvt_set_iconName(pR_ const char *str)	864	rxvt_term::set_icon_name (const char *str)
619	{	865	{
620	#ifndef SMART_WINDOW_TITLE	866	set_mbstring_property (XA_WM_ICON_NAME, str);
621	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	867	#if ENABLE_EWMH
622	#else	868	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
623	char *name;
624
625	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
626	name = NULL;
627	if (name == NULL || STRCMP(name, str))
628	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
629	if (name)
630	XFree(name);
631	#endif	869	#endif
632	}	870	}
633		871
		872	void
		873	rxvt_term::set_window_color (int idx, const char *color)
		874	{
634	#ifdef XTERM_COLOR_CHANGE	875	#ifdef XTERM_COLOR_CHANGE
635	/* EXTPROTO */
636	void
637	rxvt_set_window_color(pR_ int idx, const char *color)
638	{
639	rxvt_color xcol;	876	rxvt_color xcol;
640	int i;
641		877
642	if (color == NULL || *color == '\0')	878	if (color == NULL || *color == '\0')
643	return;	879	return;
644		880
		881	color = strdup (color);
		882	allocated.push_back ((void *)color);
		883	rs[Rs_color + idx] = color;
		884
645	/* handle color aliases */	885	/* handle color aliases */
646	if (isdigit(*color)) {	886	if (isdigit (*color))
		887	{
647	i = atoi(color);	888	int i = atoi (color);
648	if (i >= 8 && i <= 15) { /* bright colors */	889
649	i -= 8;	890	if (i >= 8 && i <= 15)
650	# ifndef NO_BRIGHTCOLOR	891	{
651	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	892	/* bright colors */
652	SET_PIXCOLOR(R, idx);	893	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
653	goto Done;	894	goto done;
654	# endif
655	}	895	}
656	if (i >= 0 && i <= 7) { /* normal colors */	896
657	R->PixColors[idx] = R->PixColors[minCOLOR + i];	897	if (i >= 0 && i <= 7)
658	SET_PIXCOLOR(R, idx);	898	{
		899	/* normal colors */
		900	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
659	goto Done;	901	goto done;
660	}	902	}
661	}	903	}
662	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
663	return;
664	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
665		904
666	/*	905	set_color (xcol, color);
		906
		907	/*
667	* FIXME: should free colors here, but no idea how to do it so instead,	908	* FIXME: should free colors here, but no idea how to do it so instead,
668	* so just keep gobbling up the colormap	909	* so just keep gobbling up the colormap
669	*/	910	*/
670	# if 0
671	for (i = Color_Black; i <= Color_White; i++)
672	if (R->PixColors[idx] == R->PixColors[i])
673	break;
674	if (i > Color_White) {
675	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
676	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
677	DisplayPlanes(R->Xdisplay, Xscreen));
678	}
679	# endif
680		911
681	R->PixColors[idx] = xcol;	912	pix_colors_focused[idx] = xcol;
682	SET_PIXCOLOR(R, idx);
683		913
684	/* XSetWindowAttributes attr; */	914	done:
685	/* Cursor cursor; */
686	Done:
687	if (idx == Color_bg && !(R->Options & Opt_transparent))
688	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
689	R->PixColors[Color_bg]);
690
691	/* handle Color_BD, scrollbar background, etc. */	915	/*TODO: handle Color_BD, scrollbar background, etc. */
692		916
693	rxvt_set_colorfgbg(aR);	917	update_fade_color (idx);
694	rxvt_recolour_cursor(aR);	918	recolour_cursor ();
695	/* the only reasonable way to enforce a clean update */	919	scr_recolour ();
696	rxvt_scr_poweron(aR);	920	#endif /* XTERM_COLOR_CHANGE */
697	}	921	}
698		922
699	#else
700	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
701	#endif /* XTERM_COLOR_CHANGE */
702
703	/* EXTPROTO */
704	void	923	void
705	rxvt_recolour_cursor(pR)	924	rxvt_term::recolour_cursor ()
706	{	925	{
707	rxvt_color xcol[2];	926	XColor fg, bg;
708		927
709	#if TODO	928	(ISSET_PIXCOLOR (Color_pointer_fg)
710	xcol[0] = R->PixColors[Color_pointer];	929	? pix_colors_focused[Color_pointer_fg]
711	xcol[1] = R->PixColors[Color_bg];	930	: pix_colors_focused[Color_fg]).get (fg);
712	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	931
713	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	932	(ISSET_PIXCOLOR (Color_pointer_bg)
714	#endif	933	? pix_colors_focused[Color_pointer_bg]
		934	: pix_colors_focused[Color_bg]).get (bg);
		935
		936	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
715	}	937	}
716		938
717	/*----------------------------------------------------------------------*/	939	/*----------------------------------------------------------------------*/
718	/*	940	/*
719	* find if fg/bg matches any of the normal (low-intensity) colors	941	* find if fg/bg matches any of the normal (low-intensity) colors
720	*/	942	*/
721	/* INTPROTO */
722	void	943	void
723	rxvt_set_colorfgbg(pR)	944	rxvt_term::set_colorfgbg ()
724	{	945	{
725	unsigned int i;	946	unsigned int i;
726	const char *xpmb = "\0";	947	const char *xpmb = "";
727	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	948	char fstr[] = "default";
		949	char bstr[] = "default";
728		950
729	R->env_colorfgbg =
730	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
731	STRCPY(fstr, "default");
732	STRCPY(bstr, "default");
733	for (i = Color_Black; i <= Color_White; i++)	951	for (i = Color_Black; i <= Color_White; i++)
734	if (R->PixColors[Color_fg] == R->PixColors[i]) {	952	if (pix_colors[Color_fg] == pix_colors[i])
		953	{
735	sprintf(fstr, "%d", (i - Color_Black));	954	sprintf (fstr, "%d", i - Color_Black);
736	break;	955	break;
737	}	956	}
		957
738	for (i = Color_Black; i <= Color_White; i++)	958	for (i = Color_Black; i <= Color_White; i++)
739	if (R->PixColors[Color_bg] == R->PixColors[i]) {	959	if (pix_colors[Color_bg] == pix_colors[i])
		960	{
740	sprintf(bstr, "%d", (i - Color_Black));	961	sprintf (bstr, "%d", i - Color_Black);
741	#ifdef XPM_BACKGROUND	962	#ifdef BG_IMAGE_FROM_FILE
742	xpmb = "default;";	963	xpmb = "default;";
743	#endif	964	#endif
744	break;	965	break;
745	}	966	}
		967
746	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	968	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
747	putenv(R->env_colorfgbg);
748
749	#ifndef NO_BRIGHTCOLOR
750	R->colorfgbg = DEFAULT_RSTYLE;
751	for (i = minCOLOR; i <= maxCOLOR; i++) {
752	if (R->PixColors[Color_fg] == R->PixColors[i])
753	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
754	if (R->PixColors[Color_bg] == R->PixColors[i])
755	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
756	}
757	#endif
758	}	969	}
759		970
760	/*----------------------------------------------------------------------*/	971	/*----------------------------------------------------------------------*/
761	/*
762	* Colour determination for low colour displays, routine from
763	* Hans de Goede <hans@highrise.nl>
764	*/
765		972
766	/* EXTPROTO */	973	bool
767	int	974	rxvt_term::set_color (rxvt_color &color, const char *name)
768	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
769	{	975	{
770	screen_in_out->set(aR_ colour);	976	if (color.set (this, name))
771
772	if (!screen_in_out->set(aR_ colour)) {
773	rxvt_print_error("can't allocate colour: %s", colour);
774	return false;
775	}
776
777	return true;	977	return true;
		978
		979	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		980	return false;
		981	}
		982
		983	void
		984	rxvt_term::alias_color (int dst, int src)
		985	{
		986	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
778	}	987	}
779		988
780	/* -------------------------------------------------------------------- *	989	/* -------------------------------------------------------------------- *
781	* - WINDOW RESIZING - *	990	* - WINDOW RESIZING - *
782	* -------------------------------------------------------------------- */	991	* -------------------------------------------------------------------- */
783	/* EXTPROTO */
784	void	992	void
785	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	993	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
786	int ignoreparent)
787	{	994	{
788	int fix_screen;	995	int fix_screen;
		996	int old_width = szHint.width;
		997	int old_height = szHint.height;
789		998
		999	window_calc (newwidth, newheight);
		1000
		1001	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1002
		1003	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1004	if (set_hint)
		1005	{
		1006	szHint.flags &= ~(PBaseSize | PResizeInc);
		1007	XSetWMNormalHints (dpy, parent, &szHint);
		1008	szHint.flags |= PBaseSize | PResizeInc;
		1009	}
		1010
		1011	if (!ignoreparent)
		1012	{
790	#ifdef SMART_RESIZE	1013	#ifdef SMART_RESIZE
791	int old_width = R->szHint.width, old_height = R->szHint.height;	1014	/*
792	#endif
793
794	rxvt_window_calc(aR_ width, height);
795	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
796	if (!ignoreparent) {
797	#ifdef SMART_RESIZE
798	/*
799	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1015	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
800	* reposition window on resize depending on placement on screen	1016	* reposition window on resize depending on placement on screen
801	*/	1017	*/
802	int x, y, x1, y1;	1018	int x, y, x1, y1;
803	int dx, dy;	1019	int dx, dy;
804	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1020	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
805	Window unused_cr;	1021	Window unused_cr;
806		1022
807	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1023	XTranslateCoordinates (dpy, parent, display->root,
808	0, 0, &x, &y, &unused_cr);	1024	0, 0, &x, &y, &unused_cr);
809	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1025	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
810	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1026	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
811	/*	1027	/*
812	* if Xroot isn't the parent window, a WM will probably have offset	1028	* if display->root isn't the parent window, a WM will probably have offset
813	* our position for handles and decorations. Counter it	1029	* our position for handles and decorations. Counter it
814	*/	1030	*/
815	if (x1 != x || y1 != y) {	1031	if (x1 != x || y1 != y)
		1032	{
816	x -= x1;	1033	x -= x1;
817	y -= y1;	1034	y -= y1;
818	}	1035	}
819		1036
820	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1037	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
821	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1038	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
822	dx = old_width - R->szHint.width;	1039	dx = old_width - szHint.width;
823	dy = old_height - R->szHint.height;	1040	dy = old_height - szHint.height;
824		1041
825	/* Check position of the center of the window */	1042	/* Check position of the center of the window */
826	if (x < x1) /* left half */	1043	if (x < x1) /* left half */
827	dx = 0;	1044	dx = 0;
828	else if (x == x1) /* exact center */	1045	else if (x == x1) /* exact center */
829	dx /= 2;	1046	dx /= 2;
830	if (y < y1) /* top half */	1047	if (y < y1) /* top half */
831	dy = 0;	1048	dy = 0;
832	else if (y == y1) /* exact center */	1049	else if (y == y1) /* exact center */
833	dy /= 2;	1050	dy /= 2;
834		1051
835	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1052	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
836	R->szHint.width, R->szHint.height);	1053	szHint.width, szHint.height);
837	#else	1054	#else
838	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1055	XResizeWindow (dpy, parent, szHint.width, szHint.height);
839	R->szHint.height);
840	#endif	1056	#endif
841	}	1057	}
842		1058
843	fix_screen = (R->TermWin.ncol != R->prev_ncol	1059	if (set_hint)
844	|| R->TermWin.nrow != R->prev_nrow);	1060	XSetWMNormalHints (dpy, parent, &szHint);
		1061
		1062	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1063
845	if (fix_screen || width != R->old_width || height != R->old_height) {	1064	if (fix_screen || newwidth != old_width || newheight != old_height)
846	if (scrollbar_visible(R)) {
847	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
848	0, scrollbar_TotalWidth(), R->szHint.height);
849	rxvt_Resize_scrollBar(aR);
850	}
851	if (menubar_visible(R))
852	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
853	0, TermWin_TotalWidth(), menuBar_TotalHeight());
854	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
855	R->window_vt_y, TermWin_TotalWidth(),
856	TermWin_TotalHeight());
857	#ifdef RXVT_GRAPHICS
858	if (R->old_height)
859	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
860	R->old_height - R->szHint.base_height);
861	#endif
862	rxvt_scr_clear(aR);
863	#ifdef XPM_BACKGROUND
864	rxvt_resize_pixmap(aR);
865	#endif
866	}	1065	{
		1066	if (scrollBar.state)
		1067	scrollBar.resize ();
867		1068
		1069	XMoveResizeWindow (dpy, vt,
		1070	window_vt_x, window_vt_y,
		1071	width, height);
		1072
		1073	#ifdef HAVE_BG_PIXMAP
		1074	if (bg_window_size_sensitive ())
		1075	update_background ();
		1076	#endif
		1077	}
		1078
868	if (fix_screen || R->old_height == 0) {	1079	if (fix_screen || old_height == 0)
869	int curr_screen = -1;	1080	scr_reset ();
870	uint16_t old_ncol = R->prev_ncol;
871
872	/* scr_reset only works on the primary screen */
873	if (R->old_height) /* this is not the first time through */
874	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
875	rxvt_scr_reset(aR);
876	if (curr_screen >= 0) { /* this is not the first time through */
877	rxvt_scr_change_screen(aR_ curr_screen);
878	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
879	}
880	}
881
882	R->old_width = R->szHint.width;
883	R->old_height = R->szHint.height;
884		1081
885	#ifdef USE_XIM	1082	#ifdef USE_XIM
886	rxvt_IMSetStatusPosition(aR);	1083	IMSetPosition ();
887	#endif	1084	#endif
888	}	1085	}
889		1086
890	/*	1087	/*
891	* Set the width/height of the vt window in characters. Units are pixels.	1088	* Set the width/height of the vt window in characters. Units are pixels.
892	* good for toggling 80/132 columns	1089	* good for toggling 80/132 columns
893	*/	1090	*/
894	/* EXTPROTO */
895	void	1091	void
896	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1092	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
897	{	1093	{
898	XWindowAttributes wattr;	1094	XWindowAttributes wattr;
899		1095
900	if (width == 0 || height == 0) {	1096	if (newwidth == 0 || newheight == 0)
		1097	{
901	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1098	XGetWindowAttributes (dpy, display->root, &wattr);
		1099
902	if (width == 0)	1100	if (newwidth == 0)
903	width = wattr.width - R->szHint.base_width;	1101	newwidth = wattr.width - szHint.base_width;
904	if (height == 0)	1102	if (newheight == 0)
905	height = wattr.height - R->szHint.base_height;	1103	newheight = wattr.height - szHint.base_height;
		1104	}
		1105
		1106	if (newwidth != width || newheight != height)
906	}	1107	{
907	if (width != R->TermWin.width || height != R->TermWin.height) {
908	width += R->szHint.base_width;	1108	newwidth += szHint.base_width;
909	height += R->szHint.base_height;	1109	newheight += szHint.base_height;
910	rxvt_resize_all_windows(aR_ width, height, 0);	1110	resize_all_windows (newwidth, newheight, 0);
911	}	1111	}
912	}	1112	}
913		1113
914	/* -------------------------------------------------------------------- *	1114	/* -------------------------------------------------------------------- *
915	* - X INPUT METHOD ROUTINES - *	1115	* - X INPUT METHOD ROUTINES - *
916	* -------------------------------------------------------------------- */	1116	* -------------------------------------------------------------------- */
917	#ifdef USE_XIM	1117	#ifdef USE_XIM
918	/* INTPROTO */
919	void
920	rxvt_setSize(pR_ XRectangle * size)
921	{
922	size->x = R->TermWin.int_bwidth;
923	size->y = R->TermWin.int_bwidth;
924	size->width = Width2Pixel(R->TermWin.ncol);
925	size->height = Height2Pixel(R->TermWin.nrow);
926	}
927		1118
928	/* INTPROTO */
929	void	1119	void
930	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1120	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
931	{	1121	{
932	*fg = R->PixColors[Color_fg];	1122	fg = pix_colors [Color_fg];
933	*bg = R->PixColors[Color_bg];	1123	bg = pix_colors [Color_bg];
		1124	}
		1125
		1126	void
		1127	rxvt_term::im_set_size (XRectangle &size)
		1128	{
		1129	// the int_bwidth terms make no sense to me
		1130	size.x = int_bwidth;
		1131	size.y = int_bwidth;
		1132	size.width = Width2Pixel (ncol) + int_bwidth;
		1133	size.height = Height2Pixel (nrow) + int_bwidth;
		1134	}
		1135
		1136	void
		1137	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1138	XRectangle &status_rect,
		1139	const XRectangle &needed_rect)
		1140	{
		1141	preedit_rect.x = needed_rect.width;
		1142	preedit_rect.y = 0;
		1143	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1144	preedit_rect.height = fheight;
		1145
		1146	status_rect.x = 0;
		1147	status_rect.y = 0;
		1148	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1149	status_rect.height = fheight;
934	}	1150	}
935		1151
936	/* Checking whether input method is running. */	1152	/* Checking whether input method is running. */
937	/* INTPROTO */
938	Bool	1153	bool
939	rxvt_IMisRunning(pR)	1154	rxvt_term::IMisRunning ()
940	{	1155	{
941	char *p;	1156	Atom atom;
942	Atom atom;	1157	Window win;
943	Window win;
944	char server[IMBUFSIZ];	1158	char server[IMBUFSIZ];
945		1159
946	/* get current locale modifier */	1160	/* get current locale modifier */
947	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1161	if (char *p = XSetLocaleModifiers (0))
		1162	{
948	STRCPY(server, "@server=");	1163	strcpy (server, "@server=");
949	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1164	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1165
950	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1166	if (p = strchr (server + 1, '@')) /* first one only */
951	*p = '\0';	1167	*p = '\0';
952		1168
953	atom = XInternAtom(R->Xdisplay, server, False);	1169	atom = XInternAtom (dpy, server, False);
954	win = XGetSelectionOwner(R->Xdisplay, atom);	1170	win = XGetSelectionOwner (dpy, atom);
		1171
955	if (win != None)	1172	if (win != None)
956	return True;	1173	return true;
957	}	1174	}
		1175
958	return False;	1176	return false;
959	}	1177	}
960		1178
961	/* EXTPROTO */
962	void	1179	void
963	rxvt_IMSendSpot(pR)	1180	rxvt_term::IMSendSpot ()
964	{	1181	{
965	XPoint spot;	1182	XPoint nspot;
966	XVaNestedList preedit_attr;	1183	XVaNestedList preedit_attr;
967		1184
968	if (R->Input_Context == NULL	1185	if (!Input_Context
969	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1186	|| !focus
970	|| !(R->event_type == KeyPress	1187	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
971	|| R->event_type == Expose
972	|| R->event_type == NoExpose
973	|| R->event_type == SelectionNotify
974	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
975	|| !rxvt_IMisRunning(aR))
976	return;	1188	return;
977		1189
978	rxvt_setPosition(aR_ & spot);	1190	im_set_position (nspot);
979		1191
		1192	if (nspot.x == spot.x && nspot.y == spot.y)
		1193	return;
		1194
		1195	spot = nspot;
		1196
980	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1197	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
981	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1198	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
982	XFree(preedit_attr);	1199	XFree (preedit_attr);
983	}	1200	}
984		1201
985	/* EXTPROTO */
986	void	1202	void
987	rxvt_setTermFontSet(pR_ int idx)	1203	rxvt_term::im_destroy ()
988	{	1204	{
989	char *string;	1205	if (input_method)
990	long length;	1206	{
991	int success = 0;	1207	if (Input_Context && input_method->xim)
		1208	XDestroyIC (Input_Context);
992		1209
993	if (idx < 0 || idx >= MAX_NFONTS)	1210	display->put_xim (input_method);
994	return;	1211	input_method = 0;
995	}	1212	}
996		1213
997	/* INTPROTO */
998	void
999	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1000	XRectangle * needed_rect)
1001	{
1002	int mbh, vtx = 0;
1003
1004	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1005	vtx = scrollbar_TotalWidth();
1006	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1007	mbh -= R->TermWin.lineSpace;
1008
1009	preedit_rect->x = needed_rect->width + vtx;
1010	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1011
1012	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1013	+ vtx;
1014	preedit_rect->height = Height2Pixel(1);
1015
1016	status_rect->x = vtx;
1017	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1018
1019	status_rect->width = needed_rect->width ? needed_rect->width
1020	: Width2Pixel(R->TermWin.ncol + 1);
1021	status_rect->height = Height2Pixel(1);
1022	}
1023
1024	/* ARGSUSED */
1025	/* INTPROTO */
1026	void
1027	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1028	__attribute__ ((unused)), XPointer call_data
1029	__attribute__ ((unused)))
1030	{
1031	dR;
1032
1033	R->Input_Context = NULL;	1214	Input_Context = 0;
1034	/* To avoid Segmentation Fault in C locale: Solaris only? */
1035	if (STRCMP(R->locale, "C"))
1036	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1037	rxvt_IMInstantiateCallback, NULL);
1038	}	1215	}
1039		1216
1040	/*	1217	#ifdef ENABLE_XIM_ONTHESPOT
1041	* X manual pages and include files don't match on some systems:
1042	* some think this is an XIDProc and others an XIMProc so we can't
1043	* use the first argument - need to update this to be nice for
1044	* both types via some sort of configure detection
1045	*/
1046	/* ARGSUSED */
1047	/* EXTPROTO */
1048	void
1049	rxvt_IMInstantiateCallback(Display * unused
1050	__attribute__ ((unused)), XPointer client_data
1051	__attribute__ ((unused)), XPointer call_data
1052	__attribute__ ((unused)))
1053	{
1054	dR;
1055	int i, found, had_im;
1056	const char *p;
1057	char **s;
1058	char buf[IMBUFSIZ];
1059		1218
1060	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1219	static void
1061	if (R->Input_Context)	1220	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1062	return;	1221	{
		1222	((rxvt_term *)client_data)->make_current ();
		1223	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1224	}
1063		1225
1064	found = had_im = 0;	1226	static void
1065	p = R->rs[Rs_inputMethod];	1227	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1066	if (p && *p) {	1228	{
1067	had_im = 1;	1229	((rxvt_term *)client_data)->make_current ();
1068	s = rxvt_splitcommastring(p);	1230	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1069	for (i = 0; s[i]; i++) {	1231	}
1070	if (*s[i]) {	1232
1071	STRCPY(buf, "@im=");	1233	static void
1072	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1234	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1073	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1235	{
1074	&& (rxvt_IM_get_IC(aR) == True)) {	1236	rxvt_term *term = (rxvt_term *)client_data;
1075	found = 1;	1237	XIMText *text = call_data->text;
1076	break;	1238
1077	}	1239	term->make_current ();
1078	}	1240
		1241	if (text)
		1242	{
		1243	wchar_t *str;
		1244
		1245	if (!text->encoding_is_wchar && text->string.multi_byte)
		1246	{
		1247	// of course, X makes it ugly again
		1248	if (term->rs[Rs_imLocale])
		1249	SET_LOCALE (term->rs[Rs_imLocale]);
		1250
		1251	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1252	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1253
		1254	if (term->rs[Rs_imLocale])
		1255	SET_LOCALE (term->locale);
1079	}	1256	}
1080	for (i = 0; s[i]; i++)	1257	else
1081	free(s[i]);	1258	str = text->string.wide_char;
1082	free(s);
1083	}
1084	if (found)
1085	return;
1086		1259
1087	/* try with XMODIFIERS env. var. */	1260	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1088	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1261	DT_INT, call_data->caret,
1089	rxvt_IM_get_IC(aR);	1262	DT_INT, call_data->chg_first,
1090	return;	1263	DT_INT, call_data->chg_length,
		1264	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1265	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1266	DT_END));
1091	}	1267	}
1092		1268	else
1093	/* try with no modifiers base IF the user didn't specify an IM */	1269	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1094	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1270	DT_INT, call_data->caret,
1095	&& rxvt_IM_get_IC(aR) == True)	1271	DT_INT, call_data->chg_first,
1096	return;	1272	DT_INT, call_data->chg_length,
		1273	DT_END));
1097	}	1274	}
		1275
		1276	#if 0
		1277	static void
		1278	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1279	{
		1280	((rxvt_term *)client_data)->make_current ();
		1281	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1282	DT_INT, call_data->position,
		1283	DT_INT, call_data->direction,
		1284	DT_INT, call_data->style,
		1285	DT_END));
		1286	}
		1287	#endif
		1288
		1289	#endif
1098		1290
1099	/*	1291	/*
1100	* Try to open a XIM with the current modifiers, then see if we can	1292	* Try to open a XIM with the current modifiers, then see if we can
1101	* open a suitable preedit type	1293	* open a suitable preedit type
1102	*/	1294	*/
1103	/* INTPROTO */
1104	Bool	1295	bool
1105	rxvt_IM_get_IC(pR)	1296	rxvt_term::IM_get_IC (const char *modifiers)
1106	{	1297	{
1107	int i, j, found;	1298	int i, j, found;
1108	XIM xim;	1299	XIM xim;
1109	XPoint spot;	1300	XPoint spot;
1110	XRectangle rect, status_rect, needed_rect;	1301	XRectangle rect, status_rect, needed_rect;
1111	unsigned long fg, bg;	1302	unsigned long fg, bg;
1112	const char *p;	1303	const char *p;
1113	char **s;	1304	char **s;
1114	XIMStyles *xim_styles;	1305	XIMStyles *xim_styles;
1115	XVaNestedList preedit_attr, status_attr;
1116	XIMCallback ximcallback;
1117		1306
1118	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1307	set_environ (envv);
1119	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1308
1120	if (xim == NULL)	1309	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1121	return False;	1310	return false;
1122		1311
		1312	input_method = display->get_xim (locale, modifiers);
		1313	if (input_method == NULL)
		1314	return false;
		1315
		1316	xim = input_method->xim;
		1317	spot.x = spot.y = -1;
		1318
1123	xim_styles = NULL;	1319	xim_styles = NULL;
1124	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1320	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1125	|| !xim_styles || !xim_styles->count_styles) {	1321	|| !xim_styles || !xim_styles->count_styles)
1126	XCloseIM(xim);	1322	{
		1323	im_destroy ();
1127	return False;	1324	return false;
		1325	}
		1326
		1327	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1328
		1329	for (int pi = 0; pi < 2; pi++)
1128	}	1330	{
		1331	p = pet[pi];
1129		1332
1130	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1333	if (!p)
1131	: "OverTheSpot,OffTheSpot,Root";	1334	continue;
1132	s = rxvt_splitcommastring(p);	1335
		1336	s = rxvt_strsplit (',', p);
		1337
1133	for (i = found = 0; !found && s[i]; i++) {	1338	for (i = found = 0; !found && s[i]; i++)
		1339	{
1134	if (!STRCMP(s[i], "OverTheSpot"))	1340	if (!strcmp (s[i], "OverTheSpot"))
1135	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1341	input_style = XIMPreeditPosition | XIMStatusNothing;
1136	else if (!STRCMP(s[i], "OffTheSpot"))	1342	else if (!strcmp (s[i], "OffTheSpot"))
1137	R->input_style = (XIMPreeditArea | XIMStatusArea);	1343	input_style = XIMPreeditArea | XIMStatusArea;
1138	else if (!STRCMP(s[i], "Root"))	1344	else if (!strcmp (s[i], "Root"))
1139	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1345	input_style = XIMPreeditNothing | XIMStatusNothing;
		1346	else if (!strcmp (s[i], "None"))
		1347	input_style = XIMPreeditNone | XIMStatusNone;
		1348	#ifdef ENABLE_XIM_ONTHESPOT
		1349	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1350	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1351	#endif
		1352	else
		1353	input_style = XIMPreeditNothing | XIMStatusNothing;
1140		1354
1141	for (j = 0; j < xim_styles->count_styles; j++)	1355	for (j = 0; j < xim_styles->count_styles; j++)
1142	if (R->input_style == xim_styles->supported_styles[j]) {	1356	if (input_style == xim_styles->supported_styles[j])
		1357	{
		1358	rxvt_free_strsplit (s);
		1359
1143	found = 1;	1360	found = 1;
		1361	goto foundpet;
		1362	}
		1363
		1364	}
		1365
		1366	rxvt_free_strsplit (s);
		1367	}
		1368
		1369	foundpet:
		1370
		1371	XFree (xim_styles);
		1372
		1373	if (!found)
		1374	{
		1375	im_destroy ();
		1376	return false;
		1377	}
		1378
		1379	XFontSet fs = 0;
		1380	XVaNestedList preedit_attr = 0, status_attr = 0;
		1381
		1382	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1383	{
		1384	// fake us a font-set, please
		1385	char **missing_charset_list;
		1386	int missing_charset_count;
		1387	char *def_string;
		1388	char pat[512];
		1389
		1390	sprintf (pat,
		1391	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1392	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1393	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1394	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1395	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1396	"*",
		1397	fheight,
		1398	fheight + 1, fheight - 1,
		1399	fheight - 2, fheight + 2);
		1400
		1401	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1402	&missing_charset_list, &missing_charset_count, &def_string);
		1403
		1404	if (missing_charset_list)
		1405	XFreeStringList (missing_charset_list);
		1406
		1407	if (!fs)
		1408	{
		1409	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1410	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1411	}
		1412	}
		1413
		1414	if (input_style & XIMPreeditPosition)
		1415	{
		1416	im_set_size (rect);
		1417	im_set_position (spot);
		1418	im_set_color (fg, bg);
		1419
		1420	preedit_attr = XVaCreateNestedList (0,
		1421	XNForeground, fg,
		1422	XNBackground, bg,
		1423	XNArea, &rect,
		1424	XNSpotLocation, &spot,
		1425	XNFontSet, fs,
		1426	NULL);
		1427	}
		1428	else if (input_style & XIMPreeditArea)
		1429	{
		1430	im_set_color (fg, bg);
		1431
		1432	/*
		1433	* The necessary width of preedit area is unknown
		1434	* until create input context.
		1435	*/
		1436	needed_rect.width = 0;
		1437	im_set_preedit_area (rect, status_rect, needed_rect);
		1438
		1439	preedit_attr = XVaCreateNestedList (0,
		1440	XNForeground, fg,
		1441	XNBackground, bg,
		1442	XNArea, &rect,
		1443	XNFontSet, fs,
		1444	NULL);
		1445	status_attr = XVaCreateNestedList (0,
		1446	XNForeground, fg,
		1447	XNBackground, bg,
		1448	XNArea, &status_rect,
		1449	XNFontSet, fs,
		1450	NULL);
		1451	}
		1452	#if ENABLE_XIM_ONTHESPOT
		1453	else if (input_style & XIMPreeditCallbacks)
		1454	{
		1455	XIMCallback xcb[4];
		1456
		1457	im_set_position (spot);
		1458
		1459	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1460	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1461	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1462	# if 0
		1463	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1464	# endif
		1465
		1466	preedit_attr = XVaCreateNestedList (0,
		1467	XNSpotLocation, &spot,
		1468	XNPreeditStartCallback, &xcb[0],
		1469	XNPreeditDoneCallback , &xcb[1],
		1470	XNPreeditDrawCallback , &xcb[2],
		1471	# if 0
		1472	XNPreeditCaretCallback, &xcb[3],
		1473	# endif
		1474	NULL);
		1475	}
		1476	#endif
		1477
		1478	Input_Context = XCreateIC (xim,
		1479	XNInputStyle, input_style,
		1480	XNClientWindow, vt,
		1481	XNFocusWindow, parent,
		1482	preedit_attr ? XNPreeditAttributes : NULL,
		1483	preedit_attr,
		1484	status_attr ? XNStatusAttributes : NULL,
		1485	status_attr, NULL);
		1486
		1487	if (preedit_attr) XFree (preedit_attr);
		1488	if (status_attr) XFree (status_attr);
		1489	if (fs) XFreeFontSet (dpy, fs);
		1490
		1491	if (Input_Context == NULL)
		1492	{
		1493	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1494	im_destroy ();
		1495	return false;
		1496	}
		1497
		1498	#if 0
		1499	// unfortunately, only the focus window is used by XIM, hard to fix
		1500	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1501	vt_select_input ();
		1502	#endif
		1503
		1504	IMSetPosition ();
		1505
		1506	return true;
		1507	}
		1508
		1509	void
		1510	rxvt_term::im_cb ()
		1511	{
		1512	int i;
		1513	const char *p;
		1514	char **s;
		1515	char buf[IMBUFSIZ];
		1516
		1517	make_current ();
		1518
		1519	im_destroy ();
		1520
		1521	if (Input_Context)
		1522	return;
		1523
		1524	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1525	if (rs[Rs_imLocale])
		1526	SET_LOCALE (rs[Rs_imLocale]);
		1527	#endif
		1528
		1529	p = rs[Rs_inputMethod];
		1530	if (p && *p)
		1531	{
		1532	bool found = false;
		1533
		1534	s = rxvt_strsplit (',', p);
		1535
		1536	for (i = 0; s[i]; i++)
		1537	{
		1538	if (*s[i])
		1539	{
		1540	strcpy (buf, "@im=");
		1541	strncat (buf, s[i], IMBUFSIZ - 5);
		1542	if (IM_get_IC (buf))
		1543	{
		1544	found = true;
1144	break;	1545	break;
		1546	}
1145	}	1547	}
1146	}	1548	}
1147	for (i = 0; s[i]; i++)
1148	free(s[i]);
1149	free(s);
1150	XFree(xim_styles);
1151		1549
		1550	rxvt_free_strsplit (s);
		1551
1152	if (!found) {	1552	if (found)
1153	XCloseIM(xim);	1553	goto done;
1154	return False;
1155	}	1554	}
1156		1555
1157	ximcallback.callback = rxvt_IMDestroyCallback;	1556	/* try with XMODIFIERS env. var. */
		1557	if (IM_get_IC (""))
		1558	goto done;
1158		1559
1159	/* XXX: not sure why we need this (as well as IC one below) */	1560	/* try with no modifiers base IF the user didn't specify an IM */
1160	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1561	if (IM_get_IC ("@im=none"))
		1562	goto done;
1161		1563
1162	preedit_attr = status_attr = NULL;	1564	done:
1163		1565	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1164	if (R->input_style & XIMPreeditPosition) {	1566	if (rs[Rs_imLocale])
1165	rxvt_setSize(aR_ & rect);	1567	SET_LOCALE (locale);
1166	rxvt_setPosition(aR_ & spot);	1568	#endif
1167	rxvt_setColor(aR_ & fg, &bg);
1168
1169	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1170	XNSpotLocation, &spot,
1171	XNForeground, fg, XNBackground, bg,
1172	//XNFontSet, R->TermWin.fontset,
1173	NULL);
1174	} else if (R->input_style & XIMPreeditArea) {
1175	rxvt_setColor(aR_ & fg, &bg);
1176
1177	/*
1178	* The necessary width of preedit area is unknown
1179	* until create input context.
1180	*/
1181	needed_rect.width = 0;
1182
1183	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1184
1185	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1186	XNForeground, fg, XNBackground, bg,
1187	//XNFontSet, R->TermWin.fontset,
1188	NULL);
1189	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1190	XNForeground, fg, XNBackground, bg,
1191	//XNFontSet, R->TermWin.fontset,
1192	NULL);
1193	}
1194	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1195	XNClientWindow, R->TermWin.parent[0],
1196	XNFocusWindow, R->TermWin.parent[0],
1197	XNDestroyCallback, &ximcallback,
1198	preedit_attr ? XNPreeditAttributes : NULL,
1199	preedit_attr,
1200	status_attr ? XNStatusAttributes : NULL,
1201	status_attr, NULL);
1202	if (preedit_attr)
1203	XFree(preedit_attr);
1204	if (status_attr)
1205	XFree(status_attr);
1206	if (R->Input_Context == NULL) {
1207	rxvt_print_error("failed to create input context");
1208	XCloseIM(xim);
1209	return False;
1210	}
1211	if (R->input_style & XIMPreeditArea)
1212	rxvt_IMSetStatusPosition(aR);
1213	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1214	return True;
1215	}	1569	}
1216		1570
1217	/* EXTPROTO */
1218	void	1571	void
1219	rxvt_IMSetStatusPosition(pR)	1572	rxvt_term::IMSetPosition ()
1220	{	1573	{
1221	XRectangle preedit_rect, status_rect, *needed_rect;	1574	XRectangle preedit_rect, status_rect, *needed_rect;
1222	XVaNestedList preedit_attr, status_attr;	1575	XVaNestedList preedit_attr, status_attr;
1223		1576
1224	if (R->Input_Context == NULL	1577	if (!Input_Context
1225	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1578	|| !focus
		1579	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1226	|| !rxvt_IMisRunning(aR))	1580	|| !IMisRunning ())
1227	return;	1581	return;
1228		1582
		1583	if (input_style & XIMPreeditPosition)
		1584	{
		1585	im_set_size (preedit_rect);
		1586	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1587
		1588	XSetICValues (Input_Context,
		1589	XNPreeditAttributes, preedit_attr, NULL);
		1590	}
		1591	else
		1592	{
1229	/* Getting the necessary width of preedit area */	1593	/* Getting the necessary width of preedit area */
1230	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1594	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1231	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1595	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1232	XFree(status_attr);	1596	XFree (status_attr);
1233		1597
1234	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1598	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1599	XFree (needed_rect);
1235		1600
1236	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1601	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1237	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1602	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1238		1603
1239	XSetICValues(R->Input_Context,	1604	XSetICValues (Input_Context,
1240	XNPreeditAttributes, preedit_attr,	1605	XNPreeditAttributes, preedit_attr,
1241	XNStatusAttributes, status_attr, NULL);	1606	XNStatusAttributes, status_attr,
		1607	NULL);
1242		1608
		1609	XFree (status_attr);
		1610	}
		1611
1243	XFree(preedit_attr);	1612	XFree (preedit_attr);
1244	XFree(status_attr);
1245	}	1613	}
1246	#endif /* USE_XIM */	1614	#endif /* USE_XIM */
1247		1615
1248	/*----------------------------------------------------------------------*/	1616	void
1249	rxvt_t rxvt_current_term;	1617	rxvt_term::get_window_origin (int &x, int &y)
		1618	{
		1619	Window cr;
		1620	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1621	}
		1622
		1623	Pixmap
		1624	rxvt_term::get_pixmap_property (Atom property)
		1625	{
		1626	Pixmap pixmap = None;
		1627
		1628	int aformat;
		1629	unsigned long nitems, bytes_after;
		1630	Atom atype;
		1631	unsigned char *prop;
		1632	int result = XGetWindowProperty (dpy, display->root, property,
		1633	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1634	&nitems, &bytes_after, &prop);
		1635	if (result == Success)
		1636	{
		1637	if (atype == XA_PIXMAP)
		1638	pixmap = *(Pixmap *)prop;
		1639	XFree (prop);
		1640	}
		1641
		1642	return pixmap;
		1643	}
		1644
		1645	#ifdef HAVE_BG_PIXMAP
		1646
		1647	void
		1648	rxvt_term::update_background ()
		1649	{
		1650	if (update_background_ev.is_active ())
		1651	return;
		1652
		1653	bg_invalidate ();
		1654
		1655	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1656
		1657	if (to_wait <= 0.)
		1658	bg_render ();
		1659	else
		1660	update_background_ev.start (to_wait);
		1661	}
		1662
		1663	void
		1664	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1665	{
		1666	make_current ();
		1667
		1668	update_background_ev.stop ();
		1669	bg_render ();
		1670	refresh_check ();
		1671	}
		1672
		1673	#endif /* HAVE_BG_PIXMAP */
1250		1674
1251	/*----------------------- end-of-file (C source) -----------------------*/	1675	/*----------------------- end-of-file (C source) -----------------------*/

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