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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.7 by pcg, Wed Nov 26 10:42:34 2003 UTC vs.
Revision 1.345 by root, Sat Jan 8 10:17:43 2011 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.7 2003/11/26 10:42:34 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2010 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "init.h"
		36	#include "keyboard.h"
		37	#include "rxvtperl.h"
36		38
		39	#include <limits>
		40
		41	#include <cassert>
37	#include <signal.h>	42	#include <csignal>
		43	#include <cstring>
38		44
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>
41	#endif
42
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	45	#include <termios.h>
		46
		47	#ifdef HAVE_XSETLOCALE
		48	# define X_LOCALE
		49	# include <X11/Xlocale.h>
		50	#else
		51	# ifdef HAVE_SETLOCALE
		52	# include <clocale>
45	#endif	53	# endif
		54	#endif
46		55
		56	struct termios rxvt_term::def_tio;
		57	vector<rxvt_term *> rxvt_term::termlist;
		58
		59	// used to tell global functions which terminal instance is "active"
		60	rxvt_t rxvt_current_term;
		61
		62	static char curlocale[128], savelocale[128];
		63
		64	bool
		65	rxvt_set_locale (const char *locale) NOTHROW
		66	{
		67	int size = strlen (locale) + 1;
		68
		69	if (size > sizeof (curlocale))
		70	rxvt_fatal ("locale string too long, aborting.\n");
		71
		72	if (!locale || !memcmp (locale, curlocale, size))
		73	return false;
		74
		75	memcpy (curlocale, locale, size);
		76	setlocale (LC_CTYPE, curlocale);
		77	return true;
		78	}
		79
47	void *	80	void
48	rxvt_term::operator new (size_t s)	81	rxvt_push_locale (const char *locale) NOTHROW
49	{	82	{
50	void *p = malloc (s);	83	strcpy (savelocale, curlocale);
		84	rxvt_set_locale (locale);
		85	}
51		86
52	MEMSET (p, 0, s);	87	void
		88	rxvt_pop_locale () NOTHROW
		89	{
		90	rxvt_set_locale (savelocale);
		91	}
		92
		93	#if ENABLE_COMBINING
		94	class rxvt_composite_vec rxvt_composite;
		95
		96	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		97	{
		98	compose_char *cc;
		99
		100	// break compose chains, as stupid readline really likes to duplicate
		101	// composing characters for some reason, near the end of a line.
		102	cc = (*this)[c1];
		103	while (cc)
		104	{
		105	if (cc->c2 == c2) return c1;
		106	cc = (*this)[cc->c1];
		107	}
		108
		109	// check to see whether this combination already exists otherwise
		110	for (cc = v.end (); cc-- > v.begin (); )
		111	if (cc->c1 == c1 && cc->c2 == c2)
		112	return COMPOSE_LO + (cc - v.begin ());
		113
		114	// allocate a new combination
		115	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		116	{
		117	static int seen;
		118
		119	if (!seen++)
		120	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
		121
		122	return REPLACEMENT_CHAR;
		123	}
		124
		125	v.push_back (compose_char (c1, c2));
		126
		127	return v.size () - 1 + COMPOSE_LO;
		128	}
		129
		130	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		131	{
		132	compose_char *cc = (*this)[c];
		133
		134	if (!cc)
		135	{
		136	if (r) *r = c;
		137	return 1;
		138	}
		139
		140	int len = expand (cc->c1, r);
		141
		142	if (r) r += len;
		143
		144	if (cc->c2 != NOCHAR)
		145	{
		146	len++;
		147	if (r) *r++ = cc->c2;
		148	}
		149
53	return p;	150	return len;
54	}
55		151
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	152	}
		153	#endif
61		154
62	rxvt_term::rxvt_term ()	155	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	156	{
		157	#if HAVE_BG_PIXMAP
		158	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		159	#endif
64	#ifdef CURSOR_BLINK	160	#ifdef CURSOR_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	161	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		162	#endif
		163	#ifdef TEXT_BLINK
		164	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		165	#endif
		166	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		167	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		168	#endif
		169	#ifdef SELECTION_SCROLLING
		170	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		171	#endif
		172	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		173	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		174	#endif
		175	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		176	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		177	#endif
		178	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		179	#ifdef USE_XIM
		180	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
66	#endif	181	#endif
67	#ifdef POINTER_BLANK	182	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
69	#endif	184	#endif
70	x_ev (this, &rxvt_term::x_cb)	185	#ifndef NO_BELL
71	{	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	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		193	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		195
72	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	196	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		197
		198	termlist.push_back (this);
		199
		200	#ifdef KEYSYM_RESOURCE
		201	keyboard = new keyboard_manager;
		202	#endif
		203	}
		204
		205	// clean up the most important stuff, do *not* call x or free mem etc.
		206	// for use before an emergency exit
		207	void
		208	rxvt_term::emergency_cleanup ()
		209	{
		210	if (cmd_pid)
		211	kill (-cmd_pid, SIGHUP);
		212
		213	pty_ev.stop ();
		214	delete pty; pty = 0;
73	}	215	}
74		216
75	rxvt_term::~rxvt_term ()	217	rxvt_term::~rxvt_term ()
76	{	218	{
77	delete PixColors;	219	termlist.erase (find (termlist.begin (), termlist.end(), this));
78	}
79		220
80	/*----------------------------------------------------------------------*/	221	emergency_cleanup ();
81	/* rxvt_init() */
82	/* LIBPROTO */
83	rxvt_t
84	rxvt_init(int argc, const char *const *argv)
85	{
86	SET_R(new rxvt_term);
87	dR;
88		222
89	if (!R->init_vars () || !R->init (argc, argv))	223	#if ENABLE_STYLES
90	{	224	for (int i = RS_styleCount; --i; )
91	delete R;	225	if (fontset[i] != fontset[0])
92	return NULL;	226	delete fontset[i];
		227	#endif
		228	delete fontset[0];
		229
		230	#ifdef HAVE_BG_PIXMAP
		231	bgPixmap.destroy ();
		232	#endif
		233	#ifdef HAVE_AFTERIMAGE
		234	if (asv)
		235	destroy_asvisual (asv, 0);
		236	if (asimman)
		237	destroy_image_manager (asimman, 0);
		238	#endif
		239
		240	if (display)
93	}	241	{
		242	selection_clear ();
		243	selection_clear (true);
94		244
		245	#ifdef USE_XIM
		246	im_destroy ();
		247	#endif
		248	scrollBar.destroy ();
		249	if (gc) XFreeGC (dpy, gc);
		250
		251	delete drawable;
		252	// destroy all windows
		253	if (parent[0])
		254	XDestroyWindow (dpy, parent[0]);
		255
		256	for (int i = 0; i < TOTAL_COLORS; i++)
		257	if (ISSET_PIXCOLOR (i))
		258	{
		259	pix_colors_focused [i].free (this);
		260	#if OFF_FOCUS_FADING
		261	pix_colors_unfocused [i].free (this);
		262	#endif
		263	}
		264
		265	clear ();
		266
		267	display->flush (); /* ideally .put should do this */
		268	displays.put (display);
		269	}
		270
		271	scr_release ();
		272
		273	/* clear all resources */
		274	for (int i = 0; i < allocated.size (); i++)
		275	free (allocated [i]);
		276
		277	free (selection.text);
		278	free (selection.clip_text);
		279	// TODO: manage env vars in child only(!)
		280	free (env_display);
		281	free (env_term);
		282	free (locale);
		283	free (v_buffer);
		284	free (incr_buf);
		285
		286	delete envv;
		287	delete argv;
		288
		289	#ifdef KEYSYM_RESOURCE
		290	delete keyboard;
		291	#endif
		292	#ifndef NO_RESOURCES
		293	XrmDestroyDatabase (option_db);
		294	#endif
		295	}
		296
		297	// child has exited, usually destroys
		298	void
		299	rxvt_term::child_cb (ev::child &w, int status)
		300	{
		301	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		302
		303	cmd_pid = 0;
		304
		305	if (!option (Opt_hold))
		306	destroy ();
		307	}
		308
		309	void
		310	rxvt_term::destroy ()
		311	{
		312	if (destroy_ev.is_active ())
95	return R;	313	return;
96	}
97		314
98	bool	315	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
99	rxvt_term::init (int argc, const char *const *argv)
100	{
101	dR;//TODO (scrollbar, setidle)
102		316
103	/*	317	#if ENABLE_OVERLAY
104	* Save and then give up any super-user privileges	318	scr_overlay_off ();
105	* If we need privileges in any area then we must specifically request it.
106	* We should only need to be root in these cases:
107	* 1. write utmp entries on some systems
108	* 2. chown tty on some systems
109	*/
110	rxvt_privileges (this, SAVE);
111	rxvt_privileges (this, IGNORE);
112
113	rxvt_init_secondary (this);
114
115	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
116
117	#if (MENUBAR_MAX)
118	rxvt_menubar_read (this, rs[Rs_menu]);
119	#endif	319	#endif
120	#ifdef HAVE_SCROLLBARS
121	if (Options & Opt_scrollBar)
122	scrollbar_setIdle (); /* set existence for size calculations */
123	#endif
124		320
125	rxvt_Create_Windows (this, argc, argv);	321	if (display)
126
127	rxvt_init_xlocale (this);
128
129	rxvt_scr_reset (this); /* initialize screen */
130	#ifdef RXVT_GRAPHICS
131	rxvt_Gr_reset (this); /* reset graphics */
132	#endif
133
134	#if 0
135	#ifdef DEBUG_X
136	XSynchronize(Xdisplay, True);
137	XSetErrorHandler((XErrorHandler) abort);
138	#else
139	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
140	#endif
141	#endif
142
143	#ifdef HAVE_SCROLLBARS
144	if (Options & Opt_scrollBar)
145	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
146	#endif
147	#if (MENUBAR_MAX)
148	if (menubar_visible(r))
149	XMapWindow (Xdisplay, menuBar.win);
150	#endif
151	#ifdef TRANSPARENT
152	if (Options & Opt_transparent)
153	{
154	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
155	rxvt_check_our_parents (this);
156	}	322	{
		323	#if USE_XIM
		324	im_ev.stop (display);
157	#endif	325	#endif
158	XMapWindow (Xdisplay, TermWin.vt);	326	scrollbar_ev.stop (display);
159	XMapWindow (Xdisplay, TermWin.parent[0]);	327	#if ENABLE_TRANSPARENCY || ENABLE_PERL
160		328	rootwin_ev.stop (display);
161	rxvt_init_env (this);
162	rxvt_init_command (this, cmd_argv);
163
164	x_ev.start (Xfd, EVENT_READ);
165	pty_ev.start (cmd_fd, EVENT_READ);
166
167	flush ();
168
169	return true;
170	}
171
172	/* ------------------------------------------------------------------------- *
173	* SIGNAL HANDLING & EXIT HANDLER *
174	* ------------------------------------------------------------------------- */
175	/*
176	* Catch a SIGCHLD signal and exit if the direct child has died
177	*/
178	/* ARGSUSED */
179	/* EXTPROTO */
180	RETSIGTYPE
181	rxvt_Child_signal(int sig __attribute__ ((unused)))
182	{
183	dR;
184	int pid, save_errno = errno;
185
186	do {
187	errno = 0;
188	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
189
190	if (pid == R->cmd_pid)
191	exit(EXIT_SUCCESS);
192
193	errno = save_errno;
194	signal(SIGCHLD, rxvt_Child_signal);
195	}
196
197	/*
198	* Catch a fatal signal and tidy up before quitting
199	*/
200	/* EXTPROTO */
201	RETSIGTYPE
202	rxvt_Exit_signal(int sig)
203	{
204	signal(sig, SIG_DFL);
205	#ifdef DEBUG_CMD
206	rxvt_print_error("signal %d", sig);
207	#endif	329	#endif
208	rxvt_clean_exit();	330	incr_ev.stop ();
209	kill(getpid(), sig);	331	termwin_ev.stop (display);
210	}	332	vt_ev.stop (display);
211
212	/* ARGSUSED */
213	/* INTPROTO */
214	int
215	rxvt_xerror_handler(const Display * display
216	__attribute__ ((unused)), const XErrorEvent * event)
217	{
218	dR;
219
220	if (R->allowedxerror == -1) {
221	R->allowedxerror = event->error_code;
222	return 0; /* ignored anyway */
223	}	333	}
224	rxvt_print_error("XError: Request: %d . %d, Error: %d",	334
225	event->request_code, event->minor_code,	335	flush_ev.stop ();
226	event->error_code);	336	pty_ev.stop ();
227	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	337	#ifdef CURSOR_BLINK
228	exit(EXIT_FAILURE);	338	cursor_blink_ev.stop ();
229	/* NOTREACHED */	339	#endif
		340	#ifdef TEXT_BLINK
		341	text_blink_ev.stop ();
		342	#endif
		343	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		344	cont_scroll_ev.stop ();
		345	#endif
		346	#ifdef SELECTION_SCROLLING
		347	sel_scroll_ev.stop ();
		348	#endif
		349	#ifdef POINTER_BLANK
		350	pointer_ev.stop ();
		351	#endif
		352
		353	destroy_ev.start ();
		354	}
		355
		356	void
		357	rxvt_term::destroy_cb (ev::idle &w, int revents)
		358	{
		359	make_current ();
		360
		361	delete this;
		362	}
		363
		364	void
		365	rxvt_term::set_option (uint8_t opt, bool set)
		366	{
		367	if (!opt)
		368	return;
		369
		370	uint8_t mask = 1 << (opt & 7);
		371	uint8_t &val = options [opt >> 3];
		372
		373	val = val & ~mask | (set ? mask : 0);
230	}	374	}
231		375
232	/*----------------------------------------------------------------------*/	376	/*----------------------------------------------------------------------*/
233	/*	377	/*
234	* Exit gracefully, clearing the utmp entry and restoring tty attributes	378	* Exit gracefully, clearing the utmp entry and restoring tty attributes
235	* TODO: if debugging, this should free up any known resources if we can	379	* TODO: if debugging, this should free up any known resources if we can
236	*/	380	*/
237	/* EXTPROTO */	381	static XErrorHandler old_xerror_handler;
238	void
239	rxvt_clean_exit(void)
240	{
241	dR;
242		382
243	#ifdef DEBUG_SCREEN	383	static void
244	rxvt_scr_release(aR);	384	rxvt_emergency_cleanup ()
		385	{
		386	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		387	(*t)->emergency_cleanup ();
		388	}
		389
		390	#if !ENABLE_MINIMAL
		391	static void
		392	print_x_error (Display *dpy, XErrorEvent *event)
		393	{
		394	char buffer[BUFSIZ];
		395	char mesg[BUFSIZ];
		396	char number[32];
		397	const char mtype[] = "XlibMessage";
		398	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		399	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		400	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
		401	rxvt_warn ("%s: %s\n", mesg, buffer);
		402	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		403	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		404	sprintf(number, "%d", event->request_code);
		405	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		406	rxvt_warn ("(which is %s)\n", buffer);
		407	if (event->request_code >= 128) {
		408	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		409	mesg, BUFSIZ);
		410	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		411	}
		412	if ((event->error_code == BadWindow) ||
		413	(event->error_code == BadPixmap) ||
		414	(event->error_code == BadCursor) ||
		415	(event->error_code == BadFont) ||
		416	(event->error_code == BadDrawable) ||
		417	(event->error_code == BadColor) ||
		418	(event->error_code == BadGC) ||
		419	(event->error_code == BadIDChoice) ||
		420	(event->error_code == BadValue) ||
		421	(event->error_code == BadAtom)) {
		422	if (event->error_code == BadValue)
		423	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		424	mesg, BUFSIZ);
		425	else if (event->error_code == BadAtom)
		426	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		427	mesg, BUFSIZ);
		428	else
		429	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		430	mesg, BUFSIZ);
		431	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		432	}
		433	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		434	mesg, BUFSIZ);
		435	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		436	}
245	#endif	437	#endif
246	#ifndef NO_SETOWNER_TTYDEV	438
247	rxvt_privileged_ttydev(aR_ RESTORE);	439	int
248	#endif	440	rxvt_xerror_handler (Display *display, XErrorEvent *event)
249	#ifdef UTMP_SUPPORT	441	{
250	rxvt_privileged_utmp(aR_ RESTORE);	442	if (GET_R->allowedxerror == -1)
251	#endif	443	GET_R->allowedxerror = event->error_code;
252	#ifdef USE_XIM	444	else
253	if (R->Input_Context != NULL) {
254	XDestroyIC(R->Input_Context);
255	R->Input_Context = NULL;
256	}	445	{
		446	// GET_R is most likely not the terminal which caused the error,
		447	// so just output the error and continue
		448	#if ENABLE_MINIMAL
		449	old_xerror_handler (display, event);
		450	#else
		451	print_x_error (display, event);
257	#endif	452	#endif
258	}	453	}
259		454
260	/* ------------------------------------------------------------------------- *	455	return 0;
261	* MEMORY ALLOCATION WRAPPERS *	456	}
262	* ------------------------------------------------------------------------- */
263	/* EXTPROTO */
264	void *
265	rxvt_malloc(size_t size)
266	{
267	void *p;
268		457
269	p = malloc(size);	458	int
270	if (p)	459	rxvt_xioerror_handler (Display *display)
271	return p;	460	{
272		461	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
273	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	462	DisplayString (display));
274	rxvt_clean_exit();	463	rxvt_emergency_cleanup ();
275	exit(EXIT_FAILURE);	464	_exit (EXIT_FAILURE);
276	/* NOTREACHED */
277	}	465	}
278		466
279	/* EXTPROTO */	467	static struct sig_handlers
280	void *
281	rxvt_calloc(size_t number, size_t size)
282	{	468	{
283	void *p;	469	ev::sig sw_term, sw_int;
284		470
285	p = calloc(number, size);	471	/*
286	if (p)	472	* Catch a fatal signal and tidy up before quitting
287	return p;	473	*/
		474	void sig_term (ev::sig &w, int revents);
288		475
289	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	476	sig_handlers ()
290	rxvt_clean_exit();	477	{
291	exit(EXIT_FAILURE);	478	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
292	/* NOTREACHED */	479	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
293	}	480	}
		481	} sig_handlers;
294		482
295	/* EXTPROTO */
296	void *
297	rxvt_realloc(void *ptr, size_t size)
298	{
299	void *p;
300
301	if (ptr)
302	p = realloc(ptr, size);
303	else
304	p = malloc(size);
305	if (p)
306	return p;
307
308	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
309	rxvt_clean_exit();
310	exit(EXIT_FAILURE);
311	/* NOTREACHED */
312	}
313
314	/* ------------------------------------------------------------------------- *
315	* PRIVILEGED OPERATIONS *
316	* ------------------------------------------------------------------------- */
317	/* take care of suid/sgid super-user (root) privileges */
318	/* INTPROTO */
319	void	483	void
320	rxvt_privileges(pR_ int mode)	484	sig_handlers::sig_term (ev::sig &w, int revents)
321	{	485	{
322	#if ! defined(__CYGWIN32__)	486	rxvt_emergency_cleanup ();
323	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	487	w.stop ();
324	/* setreuid() is the poor man's setuid(), seteuid() */	488	kill (getpid (), w.signum);
325	# define seteuid(a) setreuid(-1, (a))	489	}
326	# define setegid(a) setregid(-1, (a))	490
327	# define HAVE_SETEUID	491	static void
		492	rxvt_get_ttymode (struct termios *tio)
		493	{
		494	if (tcgetattr (STDIN_FILENO, tio) < 0)
		495	memset (tio, 0, sizeof (struct termios));
		496
		497	for (int i = 0; i < NCCS; i++)
		498	tio->c_cc[i] = VDISABLE;
		499
		500	tio->c_cc[VINTR] = CINTR;
		501	tio->c_cc[VQUIT] = CQUIT;
		502	tio->c_cc[VERASE] = CERASE;
		503	#ifdef VERASE2
		504	tio->c_cc[VERASE2] = CERASE2;
		505	#endif
		506	tio->c_cc[VKILL] = CKILL;
		507	tio->c_cc[VEOF] = CEOF;
		508	tio->c_cc[VSTART] = CSTART;
		509	tio->c_cc[VSTOP] = CSTOP;
		510	tio->c_cc[VSUSP] = CSUSP;
		511	# ifdef VDSUSP
		512	tio->c_cc[VDSUSP] = CDSUSP;
328	# endif	513	# endif
329	# ifdef HAVE_SETEUID	514	# ifdef VREPRINT
330	switch (mode) {	515	tio->c_cc[VREPRINT] = CRPRNT;
331	case IGNORE:
332	/*
333	* change effective uid/gid - not real uid/gid - so we can switch
334	* back to root later, as required
335	*/
336	seteuid(getuid());
337	setegid(getgid());
338	break;
339	case SAVE:
340	R->euid = geteuid();
341	R->egid = getegid();
342	break;
343	case RESTORE:
344	seteuid(R->euid);
345	setegid(R->egid);
346	break;
347	}
348	# else
349	switch (mode) {
350	case IGNORE:
351	setuid(getuid());
352	setgid(getgid());
353	/* FALLTHROUGH */
354	case SAVE:
355	/* FALLTHROUGH */
356	case RESTORE:
357	break;
358	}
359	# endif	516	# endif
360	#endif	517	# ifdef VDISCRD
361	}	518	tio->c_cc[VDISCRD] = CFLUSH;
362
363	#ifdef UTMP_SUPPORT
364	/* EXTPROTO */
365	void
366	rxvt_privileged_utmp(pR_ char action)
367	{
368	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
369	action, R->next_utmp_action, getpid()));
370	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
371	|| (R->Options & Opt_utmpInhibit)
372	|| R->ttydev == NULL || *R->ttydev == '\0')
373	return;
374
375	rxvt_privileges(aR_ RESTORE);
376	if (action == SAVE) {
377	R->next_utmp_action = RESTORE;
378	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
379	} else { /* action == RESTORE */
380	R->next_utmp_action = IGNORE;
381	rxvt_cleanutent(aR);
382	}
383	rxvt_privileges(aR_ IGNORE);
384	}
385	#endif
386
387	#ifndef NO_SETOWNER_TTYDEV
388	/* EXTPROTO */
389	void
390	rxvt_privileged_ttydev(pR_ char action)
391	{
392	D_MAIN((stderr,
393	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
394	action, R->next_tty_action, getpid()));
395	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
396	|| R->ttydev == NULL || *R->ttydev == '\0')
397	return;
398
399	rxvt_privileges(aR_ RESTORE);
400
401	if (action == SAVE) {
402	R->next_tty_action = RESTORE;
403	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
404	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
405	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
406	R->next_tty_action = IGNORE;
407	else
408	# endif	519	# endif
409	{	520	# ifdef VWERSE
410	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */	521	tio->c_cc[VWERSE] = CWERASE;
411	chmod(R->ttydev, R->ttymode);
412	# ifdef HAVE_REVOKE
413	revoke(R->ttydev);
414	# endif	522	# endif
415	}	523	# ifdef VLNEXT
416	} else { /* action == RESTORE */	524	tio->c_cc[VLNEXT] = CLNEXT;
417	R->next_tty_action = IGNORE;
418	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
419	chmod(R->ttydev, R->ttyfd_stat.st_mode);
420	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
421	# else
422	chmod(R->ttydev,
423	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
424	chown(R->ttydev, 0, 0);
425	# endif	525	# endif
426	}	526	# ifdef VSTATUS
427		527	tio->c_cc[VSTATUS] = CSTATUS;
428	rxvt_privileges(aR_ IGNORE);
429
430	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
431	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
432	action == RESTORE ? "Restoring" : (action ==
433	SAVE ? "Saving" :
434	"UNKNOWN ERROR for"), R->ttydev,
435	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
436	R->ttyfd_stat.st_gid));
437	# endif	528	# endif
438	}	529
		530	# if VMIN != VEOF
		531	tio->c_cc[VMIN] = 1;
439	#endif	532	# endif
		533	# if VTIME != VEOL
		534	tio->c_cc[VTIME] = 0;
		535	# endif
		536
		537	/* input modes */
		538	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		539	# ifdef IMAXBEL
		540	| IMAXBEL
		541	# endif
		542	| IXON);
		543
		544	/* output modes */
		545	tio->c_oflag = (OPOST | ONLCR);
		546
		547	/* control modes */
		548	tio->c_cflag = (CS8 | CREAD);
		549
		550	/* local modes */
		551	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		552	# if defined (ECHOCTL) && defined (ECHOKE)
		553	| ECHOCTL | ECHOKE
		554	# endif
		555	| ECHOE | ECHOK);
		556	}
		557
		558	char **rxvt_environ; // startup environment
		559
		560	void
		561	rxvt_init ()
		562	{
		563	assert (("fontMask must not overlap other RS masks",
		564	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		565
		566	rxvt_get_ttymode (&rxvt_term::def_tio);
		567
		568	// get rid of stdin/stdout as we don't need them, to free resources
		569	dup2 (STDERR_FILENO, STDIN_FILENO);
		570	dup2 (STDERR_FILENO, STDOUT_FILENO);
		571
		572	if (!ev_default_loop ())
		573	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		574
		575	rxvt_environ = environ;
		576
		577	signal (SIGHUP, SIG_IGN);
		578	signal (SIGPIPE, SIG_IGN);
		579
		580	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		581	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		582
		583	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		584	// TODO: handle this with exceptions and tolerate the memory loss
		585	XSetIOErrorHandler (rxvt_xioerror_handler);
		586
		587	XrmInitialize ();
		588	}
440		589
441	/*----------------------------------------------------------------------*/	590	/*----------------------------------------------------------------------*/
442	/*	591	/*
443	* window size/position calculcations for XSizeHint and other storage.	592	* window size/position calculations for XSizeHint and other storage.
444	* if width/height are non-zero then override calculated width/height	593	* if width/height are non-zero then override calculated width/height
445	*/	594	*/
446	/* EXTPROTO */
447	void	595	void
448	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	596	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
449	{	597	{
450	short recalc_x, recalc_y;	598	short recalc_x, recalc_y;
451	int x, y, sb_w, mb_h, flags;	599	int x, y, flags;
452	unsigned int w, h;	600	unsigned int w, h;
453	unsigned int max_width, max_height;	601	unsigned int max_width, max_height;
454		602
455	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
456	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
457	R->szHint.height));
458	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	603	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
459	R->szHint.win_gravity = NorthWestGravity;	604	szHint.win_gravity = NorthWestGravity;
460	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	605	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
461		606
462	recalc_x = recalc_y = 0;	607	recalc_x = recalc_y = 0;
463	flags = 0;	608	flags = 0;
		609
464	if (!R->parsed_geometry) {	610	if (!parsed_geometry)
		611	{
465	R->parsed_geometry = 1;	612	parsed_geometry = 1;
		613
466	if (R->rs[Rs_geometry])	614	if (rs[Rs_geometry])
467	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	615	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		616
468	if (flags & WidthValue) {	617	if (flags & WidthValue)
469	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	618	{
		619	if (!w)
		620	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		621
		622	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
470	R->szHint.flags |= USSize;	623	szHint.flags |= USSize;
471	}	624	}
		625
472	if (flags & HeightValue) {	626	if (flags & HeightValue)
473	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	627	{
		628	if (!h)
		629	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		630
		631	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
474	R->szHint.flags |= USSize;	632	szHint.flags |= USSize;
475	}	633	}
		634
476	if (flags & XValue) {	635	if (flags & XValue)
		636	{
477	R->szHint.x = x;	637	szHint.x = x;
478	R->szHint.flags |= USPosition;	638	szHint.flags |= USPosition;
		639
479	if (flags & XNegative) {	640	if (flags & XNegative)
		641	{
480	recalc_x = 1;	642	recalc_x = 1;
481	R->szHint.win_gravity = NorthEastGravity;	643	szHint.win_gravity = NorthEastGravity;
482	}	644	}
483	}	645	}
		646
484	if (flags & YValue) {	647	if (flags & YValue)
		648	{
485	R->szHint.y = y;	649	szHint.y = y;
486	R->szHint.flags |= USPosition;	650	szHint.flags |= USPosition;
		651
487	if (flags & YNegative) {	652	if (flags & YNegative)
		653	{
488	recalc_y = 1;	654	recalc_y = 1;
		655
489	if (R->szHint.win_gravity == NorthEastGravity)	656	if (szHint.win_gravity == NorthEastGravity)
490	R->szHint.win_gravity = SouthEastGravity;	657	szHint.win_gravity = SouthEastGravity;
491	else	658	else
492	R->szHint.win_gravity = SouthWestGravity;	659	szHint.win_gravity = SouthWestGravity;
493	}	660	}
494	}	661	}
495	}	662	}
		663
496	/* TODO: BOUNDS */	664	/* TODO: BOUNDS */
497	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	665	width = ncol * fwidth;
498	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	666	height = nrow * fheight;
499	max_width = MAX_COLS * R->TermWin.fwidth;	667	max_width = MAX_COLS * fwidth;
500	max_height = MAX_ROWS * R->TermWin.fheight;	668	max_height = MAX_ROWS * fheight;
501		669
502	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	670	szHint.base_width = szHint.base_height = 2 * int_bwidth;
503		671
504	sb_w = mb_h = 0;
505	R->window_vt_x = R->window_vt_y = 0;	672	window_vt_x = window_vt_y = int_bwidth;
506	if (scrollbar_visible(R)) {	673
		674	if (scrollBar.state)
		675	{
507	sb_w = scrollbar_TotalWidth();	676	int sb_w = scrollBar.total_width ();
508	R->szHint.base_width += sb_w;	677	szHint.base_width += sb_w;
		678
509	if (!(R->Options & Opt_scrollBar_right))	679	if (!option (Opt_scrollBar_right))
510	R->window_vt_x = sb_w;	680	window_vt_x += sb_w;
511	}	681	}
512	if (menubar_visible(R)) {	682
513	mb_h = menuBar_TotalHeight();
514	R->szHint.base_height += mb_h;
515	R->window_vt_y = mb_h;
516	}
517	R->szHint.width_inc = R->TermWin.fwidth;	683	szHint.width_inc = fwidth;
518	R->szHint.height_inc = R->TermWin.fheight;	684	szHint.height_inc = fheight;
519	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	685	szHint.min_width = szHint.base_width + szHint.width_inc;
520	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	686	szHint.min_height = szHint.base_height + szHint.height_inc;
521		687
522	if (width && width - R->szHint.base_width < max_width) {	688	if (newwidth && newwidth - szHint.base_width < max_width)
		689	{
523	R->szHint.width = width;	690	szHint.width = newwidth;
524	R->TermWin.width = width - R->szHint.base_width;	691	width = newwidth - szHint.base_width;
525	} else {	692	}
526	MIN_IT(R->TermWin.width, max_width);	693	else
		694	{
		695	min_it (width, max_width);
527	R->szHint.width = R->szHint.base_width + R->TermWin.width;	696	szHint.width = szHint.base_width + width;
528	}	697	}
		698
529	if (height && height - R->szHint.base_height < max_height) {	699	if (newheight && newheight - szHint.base_height < max_height)
		700	{
530	R->szHint.height = height;	701	szHint.height = newheight;
531	R->TermWin.height = height - R->szHint.base_height;	702	height = newheight - szHint.base_height;
532	} else {	703	}
533	MIN_IT(R->TermWin.height, max_height);	704	else
		705	{
		706	min_it (height, max_height);
534	R->szHint.height = R->szHint.base_height + R->TermWin.height;	707	szHint.height = szHint.base_height + height;
535	}	708	}
536	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
537	R->window_sb_x = R->szHint.width - sb_w;
538		709
539	if (recalc_x)	710	if (recalc_x)
540	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	711	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
541	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	712
542	if (recalc_y)	713	if (recalc_y)
543	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	714	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
544	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
545		715
546	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	716	ncol = width / fwidth;
547	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	717	nrow = height / fheight;
548	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
549	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
550	R->szHint.height));
551	return;
552	}	718	}
553		719
554	/*----------------------------------------------------------------------*/	720	/*----------------------------------------------------------------------*/
555	/*	721	/*
556	* Tell the teletype handler what size the window is.	722	* Tell the teletype handler what size the window is.
557	* Called after a window size change.	723	* Called after a window size change.
558	*/	724	*/
559	/* EXTPROTO */
560	void	725	void
561	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	726	rxvt_term::tt_winch ()
562	{	727	{
		728	if (pty->pty < 0)
		729	return;
		730
563	struct winsize ws;	731	struct winsize ws;
564		732
565	if (fd < 0)
566	return;
567	ws.ws_col = col;	733	ws.ws_col = ncol;
568	ws.ws_row = row;	734	ws.ws_row = nrow;
569	ws.ws_xpixel = ws.ws_ypixel = 0;	735	ws.ws_xpixel = width;
570	#ifndef DEBUG_SIZE	736	ws.ws_ypixel = height;
571	(void)ioctl(fd, TIOCSWINSZ, &ws);	737	ioctl (pty->pty, TIOCSWINSZ, &ws);
572	#else	738
573	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	739	#if 0
574	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	740	// TIOCSWINSZ is supposed to do this automatically and correctly
575	}
576	# ifdef SIGWINCH
577	else if (pid) /* force through to the command */	741	if (cmd_pid) /* force through to the command */
578	kill(pid, SIGWINCH);	742	kill (-cmd_pid, SIGWINCH);
579	# endif
580	#endif	743	#endif
581	}	744	}
582		745
583	/*----------------------------------------------------------------------*/	746	/*----------------------------------------------------------------------*/
584	/* rxvt_change_font() - Switch to a new font */	747	/* set_fonts () - load and set the various fonts
585	/*	748	*
586	* init = 1 - initialize	749	* init = 1 - initialize
587	*	750	*
588	* fontname == FONT_UP - switch to bigger font	751	* fontname == FONT_UP - switch to bigger font
589	* fontname == FONT_DN - switch to smaller font	752	* fontname == FONT_DN - switch to smaller font
590	*/	753	*/
591	/* EXTPROTO */	754	bool
592	void	755	rxvt_term::set_fonts ()
593	rxvt_change_font(pR_ int init, const char *fontname)
594	{	756	{
595	}	757	rxvt_fontset *fs = new rxvt_fontset (this);
		758	rxvt_fontprop prop;
596		759
597	/* INTPROTO */	760	if (!fs
		761	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		762	|| !fs->realize_font (1))
		763	{
		764	delete fs;
		765	return false;
		766	}
		767
		768	#if ENABLE_STYLES
		769	for (int i = RS_styleCount; --i; )
		770	if (fontset[i] != fontset[0])
		771	delete fontset[i];
		772	#endif
		773
		774	delete fontset[0];
		775	fontset[0] = fs;
		776
		777	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		778	prop.height += lineSpace;
		779	prop.width += letterSpace;
		780
		781	fs->set_prop (prop, false);
		782
		783	fwidth = prop.width;
		784	fheight = prop.height;
		785	fbase = prop.ascent;
		786
		787	for (int style = 1; style < 4; style++)
		788	{
		789	#if ENABLE_STYLES
		790	const char *res = rs[Rs_font + style];
		791
		792	if (res && !*res)
		793	fontset[style] = fontset[0];
		794	else
		795	{
		796	fontset[style] = fs = new rxvt_fontset (this);
		797	rxvt_fontprop prop2 = prop;
		798
		799	if (res)
		800	{
		801	fs->populate (res);
		802	fs->set_prop (prop2, false);
		803	}
		804	else
		805	{
		806	fs->populate (fontset[0]->fontdesc);
		807
		808	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		809	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		810
		811	fs->set_prop (prop2, true);
		812	}
		813
		814	}
		815	#else
		816	fontset[style] = fontset[0];
		817	#endif
		818	}
		819
		820	if (parent[0])
		821	{
		822	resize_all_windows (0, 0, 0);
		823	scr_remap_chars ();
		824	scr_touch (true);
		825	}
		826
		827	return true;
		828	}
		829
598	void	830	void
599	rxvt_font_up_down(pR_ int n, int direction)	831	rxvt_term::set_string_property (Atom prop, const char *str, int len)
600	{	832	{
		833	XChangeProperty (dpy, parent[0],
		834	prop, XA_STRING, 8, PropModeReplace,
		835	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		836	}
		837
		838	void
		839	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		840	{
		841	XTextProperty ct;
		842
		843	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		844	{
		845	XSetTextProperty (dpy, parent[0], &ct, prop);
		846	XFree (ct.value);
		847	}
		848	}
		849
		850	void
		851	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		852	{
		853	wchar_t *ws = rxvt_mbstowcs (str, len);
		854	char *s = rxvt_wcstoutf8 (ws);
		855
		856	XChangeProperty (dpy, parent[0],
		857	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		858	(const unsigned char *)s, strlen (s));
		859
		860	free (s);
		861	free (ws);
601	}	862	}
602		863
603	/*----------------------------------------------------------------------*/	864	/*----------------------------------------------------------------------*/
604	/*----------------------------------------------------------------------*/	865	/*----------------------------------------------------------------------*/
605	/* xterm sequences - title, iconName, color (exptl) */	866	/* xterm sequences - title, iconName, color (exptl) */
606	/* EXTPROTO */
607	void	867	void
608	rxvt_set_title(pR_ const char *str)	868	rxvt_term::set_title (const char *str)
609	{	869	{
610	#ifndef SMART_WINDOW_TITLE	870	set_mbstring_property (XA_WM_NAME, str);
611	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	871	#if ENABLE_EWMH
612	#else	872	set_utf8_property (xa[XA_NET_WM_NAME], str);
613	char *name;
614
615	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
616	name = NULL;
617	if (name == NULL || STRCMP(name, str))
618	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
619	if (name)
620	XFree(name);
621	#endif	873	#endif
622	}	874	}
623		875
624	/* EXTPROTO */
625	void	876	void
626	rxvt_set_iconName(pR_ const char *str)	877	rxvt_term::set_icon_name (const char *str)
627	{	878	{
628	#ifndef SMART_WINDOW_TITLE	879	set_mbstring_property (XA_WM_ICON_NAME, str);
629	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	880	#if ENABLE_EWMH
630	#else	881	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
631	char *name;
632
633	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
634	name = NULL;
635	if (name == NULL || STRCMP(name, str))
636	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
637	if (name)
638	XFree(name);
639	#endif	882	#endif
640	}	883	}
641		884
		885	void
		886	rxvt_term::set_window_color (int idx, const char *color)
		887	{
642	#ifdef XTERM_COLOR_CHANGE	888	#ifdef XTERM_COLOR_CHANGE
643	/* EXTPROTO */
644	void
645	rxvt_set_window_color(pR_ int idx, const char *color)
646	{
647	rxvt_color xcol;	889	rxvt_color xcol;
648	int i;
649		890
650	if (color == NULL || *color == '\0')	891	if (color == NULL || *color == '\0')
651	return;	892	return;
652		893
		894	color = strdup (color);
		895	allocated.push_back ((void *)color);
		896	rs[Rs_color + idx] = color;
		897
653	/* handle color aliases */	898	/* handle color aliases */
654	if (isdigit(*color)) {	899	if (isdigit (*color))
		900	{
655	i = atoi(color);	901	int i = atoi (color);
656	if (i >= 8 && i <= 15) { /* bright colors */	902
657	i -= 8;	903	if (i >= 8 && i <= 15)
658	# ifndef NO_BRIGHTCOLOR	904	{
659	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	905	/* bright colors */
660	SET_PIXCOLOR(R, idx);	906	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
661	goto Done;	907	goto done;
662	# endif
663	}	908	}
664	if (i >= 0 && i <= 7) { /* normal colors */	909
665	R->PixColors[idx] = R->PixColors[minCOLOR + i];	910	if (i >= 0 && i <= 7)
666	SET_PIXCOLOR(R, idx);	911	{
		912	/* normal colors */
		913	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
667	goto Done;	914	goto done;
668	}	915	}
669	}	916	}
670	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
671	return;
672	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
673		917
674	/*	918	set_color (xcol, color);
		919
		920	/*
675	* FIXME: should free colors here, but no idea how to do it so instead,	921	* FIXME: should free colors here, but no idea how to do it so instead,
676	* so just keep gobbling up the colormap	922	* so just keep gobbling up the colormap
677	*/	923	*/
678	# if 0
679	for (i = Color_Black; i <= Color_White; i++)
680	if (R->PixColors[idx] == R->PixColors[i])
681	break;
682	if (i > Color_White) {
683	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
684	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
685	DisplayPlanes(R->Xdisplay, Xscreen));
686	}
687	# endif
688		924
689	R->PixColors[idx] = xcol;	925	pix_colors_focused[idx] = xcol;
690	SET_PIXCOLOR(R, idx);
691		926
692	/* XSetWindowAttributes attr; */	927	done:
693	/* Cursor cursor; */
694	Done:
695	if (idx == Color_bg && !(R->Options & Opt_transparent))
696	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
697	R->PixColors[Color_bg]);
698
699	/* handle Color_BD, scrollbar background, etc. */	928	/*TODO: handle Color_BD, scrollbar background, etc. */
700		929
701	rxvt_set_colorfgbg(aR);	930	update_fade_color (idx);
702	rxvt_recolour_cursor(aR);	931	recolour_cursor ();
703	/* the only reasonable way to enforce a clean update */	932	scr_recolour ();
704	rxvt_scr_poweron(aR);	933	#endif /* XTERM_COLOR_CHANGE */
705	}	934	}
706		935
707	#else
708	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
709	#endif /* XTERM_COLOR_CHANGE */
710
711	/* EXTPROTO */
712	void	936	void
713	rxvt_recolour_cursor(pR)	937	rxvt_term::recolour_cursor ()
714	{	938	{
715	rxvt_color xcol[2];	939	XColor fg, bg;
716		940
717	#if TODO	941	(ISSET_PIXCOLOR (Color_pointer_fg)
718	xcol[0] = R->PixColors[Color_pointer];	942	? pix_colors_focused[Color_pointer_fg]
719	xcol[1] = R->PixColors[Color_bg];	943	: pix_colors_focused[Color_fg]).get (fg);
720	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	944
721	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	945	(ISSET_PIXCOLOR (Color_pointer_bg)
722	#endif	946	? pix_colors_focused[Color_pointer_bg]
		947	: pix_colors_focused[Color_bg]).get (bg);
		948
		949	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
723	}	950	}
724		951
725	/*----------------------------------------------------------------------*/	952	/*----------------------------------------------------------------------*/
726	/*	953	/*
727	* find if fg/bg matches any of the normal (low-intensity) colors	954	* find if fg/bg matches any of the normal (low-intensity) colors
728	*/	955	*/
729	/* INTPROTO */
730	void	956	void
731	rxvt_set_colorfgbg(pR)	957	rxvt_term::set_colorfgbg ()
732	{	958	{
733	unsigned int i;	959	unsigned int i;
734	const char *xpmb = "\0";	960	const char *xpmb = "";
735	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	961	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
736		962
737	R->env_colorfgbg =	963	strcpy (fstr, "default");
738	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	964	strcpy (bstr, "default");
739	STRCPY(fstr, "default");
740	STRCPY(bstr, "default");
741	for (i = Color_Black; i <= Color_White; i++)	965	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[Color_fg] == R->PixColors[i]) {	966	if (pix_colors[Color_fg] == pix_colors[i])
		967	{
743	sprintf(fstr, "%d", (i - Color_Black));	968	sprintf (fstr, "%d", i - Color_Black);
744	break;	969	break;
745	}	970	}
		971
746	for (i = Color_Black; i <= Color_White; i++)	972	for (i = Color_Black; i <= Color_White; i++)
747	if (R->PixColors[Color_bg] == R->PixColors[i]) {	973	if (pix_colors[Color_bg] == pix_colors[i])
		974	{
748	sprintf(bstr, "%d", (i - Color_Black));	975	sprintf (bstr, "%d", i - Color_Black);
749	#ifdef XPM_BACKGROUND	976	#ifdef BG_IMAGE_FROM_FILE
750	xpmb = "default;";	977	xpmb = "default;";
751	#endif	978	#endif
752	break;	979	break;
753	}	980	}
		981
754	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	982	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
755	putenv(R->env_colorfgbg);
756
757	#ifndef NO_BRIGHTCOLOR
758	R->colorfgbg = DEFAULT_RSTYLE;
759	for (i = minCOLOR; i <= maxCOLOR; i++) {
760	if (R->PixColors[Color_fg] == R->PixColors[i])
761	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
762	if (R->PixColors[Color_bg] == R->PixColors[i])
763	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
764	}
765	#endif
766	}	983	}
767		984
768	/*----------------------------------------------------------------------*/	985	/*----------------------------------------------------------------------*/
769	/*
770	* Colour determination for low colour displays, routine from
771	* Hans de Goede <hans@highrise.nl>
772	*/
773		986
774	/* EXTPROTO */	987	bool
775	int	988	rxvt_term::set_color (rxvt_color &color, const char *name)
776	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
777	{	989	{
778	screen_in_out->set(aR_ colour);	990	if (color.set (this, name))
779
780	if (!screen_in_out->set(aR_ colour)) {
781	rxvt_print_error("can't allocate colour: %s", colour);
782	return false;
783	}
784
785	return true;	991	return true;
		992
		993	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		994	return false;
		995	}
		996
		997	void
		998	rxvt_term::alias_color (int dst, int src)
		999	{
		1000	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
786	}	1001	}
787		1002
788	/* -------------------------------------------------------------------- *	1003	/* -------------------------------------------------------------------- *
789	* - WINDOW RESIZING - *	1004	* - WINDOW RESIZING - *
790	* -------------------------------------------------------------------- */	1005	* -------------------------------------------------------------------- */
791	/* EXTPROTO */
792	void	1006	void
793	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1007	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
794	int ignoreparent)
795	{	1008	{
796	int fix_screen;	1009	int fix_screen;
		1010	int old_width = szHint.width;
		1011	int old_height = szHint.height;
797		1012
		1013	window_calc (newwidth, newheight);
		1014
		1015	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1016
		1017	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1018	if (set_hint)
		1019	{
		1020	szHint.flags &= ~(PBaseSize | PResizeInc);
		1021	XSetWMNormalHints (dpy, parent[0], &szHint);
		1022	szHint.flags |= PBaseSize | PResizeInc;
		1023	}
		1024
		1025	if (!ignoreparent)
		1026	{
798	#ifdef SMART_RESIZE	1027	#ifdef SMART_RESIZE
799	int old_width = R->szHint.width, old_height = R->szHint.height;	1028	/*
800	#endif
801
802	rxvt_window_calc(aR_ width, height);
803	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
804	if (!ignoreparent) {
805	#ifdef SMART_RESIZE
806	/*
807	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1029	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
808	* reposition window on resize depending on placement on screen	1030	* reposition window on resize depending on placement on screen
809	*/	1031	*/
810	int x, y, x1, y1;	1032	int x, y, x1, y1;
811	int dx, dy;	1033	int dx, dy;
812	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1034	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
813	Window unused_cr;	1035	Window unused_cr;
814		1036
815	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1037	XTranslateCoordinates (dpy, parent[0], display->root,
816	0, 0, &x, &y, &unused_cr);	1038	0, 0, &x, &y, &unused_cr);
817	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1039	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
818	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1040	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
819	/*	1041	/*
820	* if Xroot isn't the parent window, a WM will probably have offset	1042	* if display->root isn't the parent window, a WM will probably have offset
821	* our position for handles and decorations. Counter it	1043	* our position for handles and decorations. Counter it
822	*/	1044	*/
823	if (x1 != x || y1 != y) {	1045	if (x1 != x || y1 != y)
		1046	{
824	x -= x1;	1047	x -= x1;
825	y -= y1;	1048	y -= y1;
826	}	1049	}
827		1050
828	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1051	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
829	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1052	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
830	dx = old_width - R->szHint.width;	1053	dx = old_width - szHint.width;
831	dy = old_height - R->szHint.height;	1054	dy = old_height - szHint.height;
832		1055
833	/* Check position of the center of the window */	1056	/* Check position of the center of the window */
834	if (x < x1) /* left half */	1057	if (x < x1) /* left half */
835	dx = 0;	1058	dx = 0;
836	else if (x == x1) /* exact center */	1059	else if (x == x1) /* exact center */
837	dx /= 2;	1060	dx /= 2;
838	if (y < y1) /* top half */	1061	if (y < y1) /* top half */
839	dy = 0;	1062	dy = 0;
840	else if (y == y1) /* exact center */	1063	else if (y == y1) /* exact center */
841	dy /= 2;	1064	dy /= 2;
842		1065
843	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1066	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
844	R->szHint.width, R->szHint.height);	1067	szHint.width, szHint.height);
845	#else	1068	#else
846	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1069	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
847	R->szHint.height);
848	#endif	1070	#endif
849	}	1071	}
850		1072
851	fix_screen = (R->TermWin.ncol != R->prev_ncol	1073	if (set_hint)
852	|| R->TermWin.nrow != R->prev_nrow);	1074	XSetWMNormalHints (dpy, parent[0], &szHint);
		1075
		1076	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1077
853	if (fix_screen || width != R->old_width || height != R->old_height) {	1078	if (fix_screen || newwidth != old_width || newheight != old_height)
854	if (scrollbar_visible(R)) {
855	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
856	0, scrollbar_TotalWidth(), R->szHint.height);
857	rxvt_Resize_scrollBar(aR);
858	}
859	if (menubar_visible(R))
860	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
861	0, TermWin_TotalWidth(), menuBar_TotalHeight());
862	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
863	R->window_vt_y, TermWin_TotalWidth(),
864	TermWin_TotalHeight());
865	#ifdef RXVT_GRAPHICS
866	if (R->old_height)
867	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
868	R->old_height - R->szHint.base_height);
869	#endif
870	rxvt_scr_clear(aR);
871	#ifdef XPM_BACKGROUND
872	rxvt_resize_pixmap(aR);
873	#endif
874	}	1079	{
		1080	if (scrollBar.state)
		1081	scrollBar.resize ();
875		1082
		1083	XMoveResizeWindow (dpy, vt,
		1084	window_vt_x, window_vt_y,
		1085	width, height);
		1086
		1087	#ifdef HAVE_BG_PIXMAP
		1088	if (bgPixmap.window_size_sensitive ())
		1089	update_background ();
		1090	#endif
		1091	}
		1092
876	if (fix_screen || R->old_height == 0) {	1093	if (fix_screen || old_height == 0)
877	int curr_screen = -1;	1094	scr_reset ();
878	uint16_t old_ncol = R->prev_ncol;
879		1095
880	/* scr_reset only works on the primary screen */	1096	#ifdef HAVE_BG_PIXMAP
881	if (R->old_height) /* this is not the first time through */	1097	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
882	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1098	// if (bgPixmap.pixmap)
883	rxvt_scr_reset(aR);	1099	// scr_touch (false);
884	if (curr_screen >= 0) { /* this is not the first time through */	1100	#endif
885	rxvt_scr_change_screen(aR_ curr_screen);
886	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
887	}
888	}
889
890	R->old_width = R->szHint.width;
891	R->old_height = R->szHint.height;
892		1101
893	#ifdef USE_XIM	1102	#ifdef USE_XIM
894	rxvt_IMSetStatusPosition(aR);	1103	IMSetPosition ();
895	#endif	1104	#endif
896	}	1105	}
897		1106
898	/*	1107	/*
899	* Set the width/height of the vt window in characters. Units are pixels.	1108	* Set the width/height of the vt window in characters. Units are pixels.
900	* good for toggling 80/132 columns	1109	* good for toggling 80/132 columns
901	*/	1110	*/
902	/* EXTPROTO */
903	void	1111	void
904	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1112	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
905	{	1113	{
906	XWindowAttributes wattr;	1114	XWindowAttributes wattr;
907		1115
908	if (width == 0 || height == 0) {	1116	if (newwidth == 0 || newheight == 0)
		1117	{
909	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1118	XGetWindowAttributes (dpy, display->root, &wattr);
		1119
910	if (width == 0)	1120	if (newwidth == 0)
911	width = wattr.width - R->szHint.base_width;	1121	newwidth = wattr.width - szHint.base_width;
912	if (height == 0)	1122	if (newheight == 0)
913	height = wattr.height - R->szHint.base_height;	1123	newheight = wattr.height - szHint.base_height;
		1124	}
		1125
		1126	if (newwidth != width || newheight != height)
914	}	1127	{
915	if (width != R->TermWin.width || height != R->TermWin.height) {
916	width += R->szHint.base_width;	1128	newwidth += szHint.base_width;
917	height += R->szHint.base_height;	1129	newheight += szHint.base_height;
918	rxvt_resize_all_windows(aR_ width, height, 0);	1130	resize_all_windows (newwidth, newheight, 0);
919	}	1131	}
920	}	1132	}
921		1133
922	/* -------------------------------------------------------------------- *	1134	/* -------------------------------------------------------------------- *
923	* - X INPUT METHOD ROUTINES - *	1135	* - X INPUT METHOD ROUTINES - *
924	* -------------------------------------------------------------------- */	1136	* -------------------------------------------------------------------- */
925	#ifdef USE_XIM	1137	#ifdef USE_XIM
926	/* INTPROTO */
927	void
928	rxvt_setSize(pR_ XRectangle * size)
929	{
930	size->x = R->TermWin.int_bwidth;
931	size->y = R->TermWin.int_bwidth;
932	size->width = Width2Pixel(R->TermWin.ncol);
933	size->height = Height2Pixel(R->TermWin.nrow);
934	}
935		1138
936	/* INTPROTO */
937	void	1139	void
938	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1140	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
939	{	1141	{
940	*fg = R->PixColors[Color_fg];	1142	fg = pix_colors [Color_fg];
941	*bg = R->PixColors[Color_bg];	1143	bg = pix_colors [Color_bg];
		1144	}
		1145
		1146	void
		1147	rxvt_term::im_set_size (XRectangle &size)
		1148	{
		1149	// the int_bwidth terms make no sense to me
		1150	size.x = int_bwidth;
		1151	size.y = int_bwidth;
		1152	size.width = Width2Pixel (ncol) + int_bwidth;
		1153	size.height = Height2Pixel (nrow) + int_bwidth;
		1154	}
		1155
		1156	void
		1157	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1158	XRectangle &status_rect,
		1159	const XRectangle &needed_rect)
		1160	{
		1161	preedit_rect.x = needed_rect.width;
		1162	preedit_rect.y = 0;
		1163	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1164	preedit_rect.height = fheight;
		1165
		1166	status_rect.x = 0;
		1167	status_rect.y = 0;
		1168	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1169	status_rect.height = fheight;
942	}	1170	}
943		1171
944	/* Checking whether input method is running. */	1172	/* Checking whether input method is running. */
945	/* INTPROTO */
946	Bool	1173	bool
947	rxvt_IMisRunning(pR)	1174	rxvt_term::IMisRunning ()
948	{	1175	{
949	char *p;	1176	Atom atom;
950	Atom atom;	1177	Window win;
951	Window win;
952	char server[IMBUFSIZ];	1178	char server[IMBUFSIZ];
953		1179
954	/* get current locale modifier */	1180	/* get current locale modifier */
955	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1181	if (char *p = XSetLocaleModifiers (0))
		1182	{
956	STRCPY(server, "@server=");	1183	strcpy (server, "@server=");
957	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1184	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1185
958	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1186	if (p = strchr (server + 1, '@')) /* first one only */
959	*p = '\0';	1187	*p = '\0';
960		1188
961	atom = XInternAtom(R->Xdisplay, server, False);	1189	atom = XInternAtom (dpy, server, False);
962	win = XGetSelectionOwner(R->Xdisplay, atom);	1190	win = XGetSelectionOwner (dpy, atom);
		1191
963	if (win != None)	1192	if (win != None)
964	return True;	1193	return True;
965	}	1194	}
		1195
966	return False;	1196	return False;
967	}	1197	}
968		1198
969	/* EXTPROTO */
970	void	1199	void
971	rxvt_IMSendSpot(pR)	1200	rxvt_term::IMSendSpot ()
972	{	1201	{
973	XPoint spot;	1202	XPoint nspot;
974	XVaNestedList preedit_attr;	1203	XVaNestedList preedit_attr;
975		1204
976	if (R->Input_Context == NULL	1205	if (!Input_Context
977	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1206	|| !focus
978	|| !(R->event_type == KeyPress	1207	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
979	|| R->event_type == Expose
980	|| R->event_type == NoExpose
981	|| R->event_type == SelectionNotify
982	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
983	|| !rxvt_IMisRunning(aR))
984	return;	1208	return;
985		1209
986	rxvt_setPosition(aR_ & spot);	1210	im_set_position (nspot);
987		1211
		1212	if (nspot.x == spot.x && nspot.y == spot.y)
		1213	return;
		1214
		1215	spot = nspot;
		1216
988	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1217	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
989	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1218	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
990	XFree(preedit_attr);	1219	XFree (preedit_attr);
991	}	1220	}
992		1221
993	/* EXTPROTO */
994	void	1222	void
995	rxvt_setTermFontSet(pR_ int idx)	1223	rxvt_term::im_destroy ()
996	{	1224	{
997	char *string;	1225	if (input_method)
998	long length;	1226	{
999	int success = 0;	1227	if (Input_Context && input_method->xim)
		1228	XDestroyIC (Input_Context);
1000		1229
1001	if (idx < 0 || idx >= MAX_NFONTS)	1230	display->put_xim (input_method);
1002	return;	1231	input_method = 0;
1003	}	1232	}
1004		1233
1005	/* INTPROTO */
1006	void
1007	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1008	XRectangle * needed_rect)
1009	{
1010	int mbh, vtx = 0;
1011
1012	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1013	vtx = scrollbar_TotalWidth();
1014	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1015	mbh -= R->TermWin.lineSpace;
1016
1017	preedit_rect->x = needed_rect->width + vtx;
1018	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1019
1020	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1021	+ vtx;
1022	preedit_rect->height = Height2Pixel(1);
1023
1024	status_rect->x = vtx;
1025	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1026
1027	status_rect->width = needed_rect->width ? needed_rect->width
1028	: Width2Pixel(R->TermWin.ncol + 1);
1029	status_rect->height = Height2Pixel(1);
1030	}
1031
1032	/* ARGSUSED */
1033	/* INTPROTO */
1034	void
1035	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1036	__attribute__ ((unused)), XPointer call_data
1037	__attribute__ ((unused)))
1038	{
1039	dR;
1040
1041	R->Input_Context = NULL;	1234	Input_Context = 0;
1042	/* To avoid Segmentation Fault in C locale: Solaris only? */
1043	if (STRCMP(R->locale, "C"))
1044	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1045	rxvt_IMInstantiateCallback, NULL);
1046	}	1235	}
1047		1236
1048	/*	1237	#ifdef ENABLE_XIM_ONTHESPOT
1049	* X manual pages and include files don't match on some systems:
1050	* some think this is an XIDProc and others an XIMProc so we can't
1051	* use the first argument - need to update this to be nice for
1052	* both types via some sort of configure detection
1053	*/
1054	/* ARGSUSED */
1055	/* EXTPROTO */
1056	void
1057	rxvt_IMInstantiateCallback(Display * unused
1058	__attribute__ ((unused)), XPointer client_data
1059	__attribute__ ((unused)), XPointer call_data
1060	__attribute__ ((unused)))
1061	{
1062	dR;
1063	int i, found, had_im;
1064	const char *p;
1065	char **s;
1066	char buf[IMBUFSIZ];
1067		1238
1068	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1239	static void
1069	if (R->Input_Context)	1240	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1070	return;	1241	{
		1242	((rxvt_term *)client_data)->make_current ();
		1243	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1244	}
1071		1245
1072	found = had_im = 0;	1246	static void
1073	p = R->rs[Rs_inputMethod];	1247	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1074	if (p && *p) {	1248	{
1075	had_im = 1;	1249	((rxvt_term *)client_data)->make_current ();
1076	s = rxvt_splitcommastring(p);	1250	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1077	for (i = 0; s[i]; i++) {	1251	}
1078	if (*s[i]) {	1252
1079	STRCPY(buf, "@im=");	1253	static void
1080	STRNCAT(buf, s[i], IMBUFSIZ - 5);	1254	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1081	if ((p = XSetLocaleModifiers(buf)) != NULL && *p	1255	{
1082	&& (rxvt_IM_get_IC(aR) == True)) {	1256	rxvt_term *term = (rxvt_term *)client_data;
1083	found = 1;	1257	XIMText *text = call_data->text;
1084	break;	1258
1085	}	1259	term->make_current ();
1086	}	1260
		1261	if (text)
		1262	{
		1263	wchar_t *str;
		1264
		1265	if (!text->encoding_is_wchar && text->string.multi_byte)
		1266	{
		1267	// of course, X makes it ugly again
		1268	if (term->rs[Rs_imLocale])
		1269	SET_LOCALE (term->rs[Rs_imLocale]);
		1270
		1271	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1272	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1273
		1274	if (term->rs[Rs_imLocale])
		1275	SET_LOCALE (term->locale);
1087	}	1276	}
1088	for (i = 0; s[i]; i++)	1277	else
1089	free(s[i]);	1278	str = text->string.wide_char;
1090	free(s);
1091	}
1092	if (found)
1093	return;
1094		1279
1095	/* try with XMODIFIERS env. var. */	1280	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1096	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1281	DT_INT, call_data->caret,
1097	rxvt_IM_get_IC(aR);	1282	DT_INT, call_data->chg_first,
1098	return;	1283	DT_INT, call_data->chg_length,
		1284	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1285	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1286	DT_END));
1099	}	1287	}
1100		1288	else
1101	/* try with no modifiers base IF the user didn't specify an IM */	1289	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1102	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1290	DT_INT, call_data->caret,
1103	&& rxvt_IM_get_IC(aR) == True)	1291	DT_INT, call_data->chg_first,
1104	return;	1292	DT_INT, call_data->chg_length,
		1293	DT_END));
1105	}	1294	}
		1295
		1296	#if 0
		1297	static void
		1298	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1299	{
		1300	((rxvt_term *)client_data)->make_current ();
		1301	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1302	DT_INT, call_data->position,
		1303	DT_INT, call_data->direction,
		1304	DT_INT, call_data->style,
		1305	DT_END));
		1306	}
		1307	#endif
		1308
		1309	#endif
1106		1310
1107	/*	1311	/*
1108	* Try to open a XIM with the current modifiers, then see if we can	1312	* Try to open a XIM with the current modifiers, then see if we can
1109	* open a suitable preedit type	1313	* open a suitable preedit type
1110	*/	1314	*/
1111	/* INTPROTO */
1112	Bool	1315	bool
1113	rxvt_IM_get_IC(pR)	1316	rxvt_term::IM_get_IC (const char *modifiers)
1114	{	1317	{
1115	int i, j, found;	1318	int i, j, found;
1116	XIM xim;	1319	XIM xim;
1117	XPoint spot;	1320	XPoint spot;
1118	XRectangle rect, status_rect, needed_rect;	1321	XRectangle rect, status_rect, needed_rect;
1119	unsigned long fg, bg;	1322	unsigned long fg, bg;
1120	const char *p;	1323	const char *p;
1121	char **s;	1324	char **s;
1122	XIMStyles *xim_styles;	1325	XIMStyles *xim_styles;
1123	XVaNestedList preedit_attr, status_attr;	1326	#ifdef ENABLE_XIM_ONTHESPOT
1124	XIMCallback ximcallback;	1327	XIMCallback xcb[4];
		1328	#endif
1125		1329
1126	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1330	set_environ (envv);
1127	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1331
1128	if (xim == NULL)	1332	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1129	return False;	1333	return false;
1130		1334
		1335	input_method = display->get_xim (locale, modifiers);
		1336	if (input_method == NULL)
		1337	return false;
		1338
		1339	xim = input_method->xim;
		1340	spot.x = spot.y = -1;
		1341
1131	xim_styles = NULL;	1342	xim_styles = NULL;
1132	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1343	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1133	|| !xim_styles || !xim_styles->count_styles) {	1344	|| !xim_styles || !xim_styles->count_styles)
1134	XCloseIM(xim);	1345	{
		1346	im_destroy ();
1135	return False;	1347	return false;
		1348	}
		1349
		1350	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1351
		1352	for (int pi = 0; pi < 2; pi++)
1136	}	1353	{
		1354	p = pet[pi];
1137		1355
1138	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1356	if (!p)
1139	: "OverTheSpot,OffTheSpot,Root";	1357	continue;
		1358
1140	s = rxvt_splitcommastring(p);	1359	s = rxvt_splitcommastring (p);
		1360
1141	for (i = found = 0; !found && s[i]; i++) {	1361	for (i = found = 0; !found && s[i]; i++)
		1362	{
1142	if (!STRCMP(s[i], "OverTheSpot"))	1363	if (!strcmp (s[i], "OverTheSpot"))
1143	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1364	input_style = XIMPreeditPosition | XIMStatusNothing;
1144	else if (!STRCMP(s[i], "OffTheSpot"))	1365	else if (!strcmp (s[i], "OffTheSpot"))
1145	R->input_style = (XIMPreeditArea | XIMStatusArea);	1366	input_style = XIMPreeditArea | XIMStatusArea;
1146	else if (!STRCMP(s[i], "Root"))	1367	else if (!strcmp (s[i], "Root"))
1147	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1368	input_style = XIMPreeditNothing | XIMStatusNothing;
		1369	else if (!strcmp (s[i], "None"))
		1370	input_style = XIMPreeditNone | XIMStatusNone;
		1371	#ifdef ENABLE_XIM_ONTHESPOT
		1372	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1373	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1374	#endif
		1375	else
		1376	input_style = XIMPreeditNothing | XIMStatusNothing;
1148		1377
1149	for (j = 0; j < xim_styles->count_styles; j++)	1378	for (j = 0; j < xim_styles->count_styles; j++)
1150	if (R->input_style == xim_styles->supported_styles[j]) {	1379	if (input_style == xim_styles->supported_styles[j])
		1380	{
		1381	rxvt_freecommastring (s);
		1382
1151	found = 1;	1383	found = 1;
		1384	goto foundpet;
		1385	}
		1386
		1387	}
		1388
		1389	rxvt_freecommastring (s);
		1390	}
		1391
		1392	foundpet:
		1393
		1394	XFree (xim_styles);
		1395
		1396	if (!found)
		1397	{
		1398	im_destroy ();
		1399	return false;
		1400	}
		1401
		1402	XFontSet fs = 0;
		1403	XVaNestedList preedit_attr = 0, status_attr = 0;
		1404
		1405	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1406	{
		1407	// fake us a font-set, please
		1408	char **missing_charset_list;
		1409	int missing_charset_count;
		1410	char *def_string;
		1411	char pat[512];
		1412
		1413	sprintf (pat,
		1414	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1415	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1416	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1417	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1418	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1419	"*",
		1420	fheight,
		1421	fheight + 1, fheight - 1,
		1422	fheight - 2, fheight + 2);
		1423
		1424	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1425	&missing_charset_list, &missing_charset_count, &def_string);
		1426
		1427	if (missing_charset_list)
		1428	XFreeStringList (missing_charset_list);
		1429
		1430	if (!fs)
		1431	{
		1432	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1433	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1434	}
		1435	}
		1436
		1437	if (input_style & XIMPreeditPosition)
		1438	{
		1439	im_set_size (rect);
		1440	im_set_position (spot);
		1441	im_set_color (fg, bg);
		1442
		1443	preedit_attr = XVaCreateNestedList (0,
		1444	XNForeground, fg,
		1445	XNBackground, bg,
		1446	XNArea, &rect,
		1447	XNSpotLocation, &spot,
		1448	XNFontSet, fs,
		1449	NULL);
		1450	}
		1451	else if (input_style & XIMPreeditArea)
		1452	{
		1453	im_set_color (fg, bg);
		1454
		1455	/*
		1456	* The necessary width of preedit area is unknown
		1457	* until create input context.
		1458	*/
		1459	needed_rect.width = 0;
		1460	im_set_preedit_area (rect, status_rect, needed_rect);
		1461
		1462	preedit_attr = XVaCreateNestedList (0,
		1463	XNForeground, fg,
		1464	XNBackground, bg,
		1465	XNArea, &rect,
		1466	XNFontSet, fs,
		1467	NULL);
		1468	status_attr = XVaCreateNestedList (0,
		1469	XNForeground, fg,
		1470	XNBackground, bg,
		1471	XNArea, &status_rect,
		1472	XNFontSet, fs,
		1473	NULL);
		1474	}
		1475	#if ENABLE_XIM_ONTHESPOT
		1476	else if (input_style & XIMPreeditCallbacks)
		1477	{
		1478	im_set_position (spot);
		1479
		1480	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1481	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1482	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1483	# if 0
		1484	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1485	# endif
		1486
		1487	preedit_attr = XVaCreateNestedList (0,
		1488	XNSpotLocation, &spot,
		1489	XNPreeditStartCallback, &xcb[0],
		1490	XNPreeditDoneCallback , &xcb[1],
		1491	XNPreeditDrawCallback , &xcb[2],
		1492	# if 0
		1493	XNPreeditCaretCallback, &xcb[3],
		1494	# endif
		1495	NULL);
		1496	}
		1497	#endif
		1498
		1499	Input_Context = XCreateIC (xim,
		1500	XNInputStyle, input_style,
		1501	XNClientWindow, vt,
		1502	XNFocusWindow, parent[0],
		1503	preedit_attr ? XNPreeditAttributes : NULL,
		1504	preedit_attr,
		1505	status_attr ? XNStatusAttributes : NULL,
		1506	status_attr, NULL);
		1507
		1508	if (preedit_attr) XFree (preedit_attr);
		1509	if (status_attr) XFree (status_attr);
		1510	if (fs) XFreeFontSet (dpy, fs);
		1511
		1512	if (Input_Context == NULL)
		1513	{
		1514	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1515	im_destroy ();
		1516	return false;
		1517	}
		1518
		1519	#if 0
		1520	// unfortunately, only the focus window is used by XIM, hard to fix
		1521	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1522	vt_select_input ();
		1523	#endif
		1524
		1525	IMSetPosition ();
		1526
		1527	return true;
		1528	}
		1529
		1530	void
		1531	rxvt_term::im_cb ()
		1532	{
		1533	int i;
		1534	const char *p;
		1535	char **s;
		1536	char buf[IMBUFSIZ];
		1537
		1538	make_current ();
		1539
		1540	im_destroy ();
		1541
		1542	if (Input_Context)
		1543	return;
		1544
		1545	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1546	if (rs[Rs_imLocale])
		1547	SET_LOCALE (rs[Rs_imLocale]);
		1548	#endif
		1549
		1550	p = rs[Rs_inputMethod];
		1551	if (p && *p)
		1552	{
		1553	bool found = false;
		1554
		1555	s = rxvt_splitcommastring (p);
		1556
		1557	for (i = 0; s[i]; i++)
		1558	{
		1559	if (*s[i])
		1560	{
		1561	strcpy (buf, "@im=");
		1562	strncat (buf, s[i], IMBUFSIZ - 5);
		1563	if (IM_get_IC (buf))
		1564	{
		1565	found = true;
1152	break;	1566	break;
		1567	}
1153	}	1568	}
1154	}	1569	}
1155	for (i = 0; s[i]; i++)
1156	free(s[i]);
1157	free(s);
1158	XFree(xim_styles);
1159		1570
		1571	rxvt_freecommastring (s);
		1572
1160	if (!found) {	1573	if (found)
1161	XCloseIM(xim);	1574	goto done;
1162	return False;
1163	}	1575	}
1164		1576
1165	ximcallback.callback = rxvt_IMDestroyCallback;	1577	/* try with XMODIFIERS env. var. */
		1578	if (IM_get_IC (""))
		1579	goto done;
1166		1580
1167	/* XXX: not sure why we need this (as well as IC one below) */	1581	/* try with no modifiers base IF the user didn't specify an IM */
1168	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1582	if (IM_get_IC ("@im=none"))
		1583	goto done;
1169		1584
1170	preedit_attr = status_attr = NULL;	1585	done:
1171		1586	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1172	if (R->input_style & XIMPreeditPosition) {	1587	if (rs[Rs_imLocale])
1173	rxvt_setSize(aR_ & rect);	1588	SET_LOCALE (locale);
1174	rxvt_setPosition(aR_ & spot);	1589	#endif
1175	rxvt_setColor(aR_ & fg, &bg);
1176
1177	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1178	XNSpotLocation, &spot,
1179	XNForeground, fg, XNBackground, bg,
1180	//XNFontSet, R->TermWin.fontset,
1181	NULL);
1182	} else if (R->input_style & XIMPreeditArea) {
1183	rxvt_setColor(aR_ & fg, &bg);
1184
1185	/*
1186	* The necessary width of preedit area is unknown
1187	* until create input context.
1188	*/
1189	needed_rect.width = 0;
1190
1191	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1192
1193	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1194	XNForeground, fg, XNBackground, bg,
1195	//XNFontSet, R->TermWin.fontset,
1196	NULL);
1197	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1198	XNForeground, fg, XNBackground, bg,
1199	//XNFontSet, R->TermWin.fontset,
1200	NULL);
1201	}
1202	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1203	XNClientWindow, R->TermWin.parent[0],
1204	XNFocusWindow, R->TermWin.parent[0],
1205	XNDestroyCallback, &ximcallback,
1206	preedit_attr ? XNPreeditAttributes : NULL,
1207	preedit_attr,
1208	status_attr ? XNStatusAttributes : NULL,
1209	status_attr, NULL);
1210	if (preedit_attr)
1211	XFree(preedit_attr);
1212	if (status_attr)
1213	XFree(status_attr);
1214	if (R->Input_Context == NULL) {
1215	rxvt_print_error("failed to create input context");
1216	XCloseIM(xim);
1217	return False;
1218	}
1219	if (R->input_style & XIMPreeditArea)
1220	rxvt_IMSetStatusPosition(aR);
1221	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1222	return True;
1223	}	1590	}
1224		1591
1225	/* EXTPROTO */
1226	void	1592	void
1227	rxvt_IMSetStatusPosition(pR)	1593	rxvt_term::IMSetPosition ()
1228	{	1594	{
1229	XRectangle preedit_rect, status_rect, *needed_rect;	1595	XRectangle preedit_rect, status_rect, *needed_rect;
1230	XVaNestedList preedit_attr, status_attr;	1596	XVaNestedList preedit_attr, status_attr;
1231		1597
1232	if (R->Input_Context == NULL	1598	if (!Input_Context
1233	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1599	|| !focus
		1600	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1234	|| !rxvt_IMisRunning(aR))	1601	|| !IMisRunning ())
1235	return;	1602	return;
1236		1603
		1604	if (input_style & XIMPreeditPosition)
		1605	{
		1606	im_set_size (preedit_rect);
		1607	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1608
		1609	XSetICValues (Input_Context,
		1610	XNPreeditAttributes, preedit_attr, NULL);
		1611	}
		1612	else
		1613	{
1237	/* Getting the necessary width of preedit area */	1614	/* Getting the necessary width of preedit area */
1238	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1615	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1239	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1616	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1240	XFree(status_attr);	1617	XFree (status_attr);
1241		1618
1242	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1619	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1620	XFree (needed_rect);
1243		1621
1244	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1622	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1245	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1623	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1246		1624
1247	XSetICValues(R->Input_Context,	1625	XSetICValues (Input_Context,
1248	XNPreeditAttributes, preedit_attr,	1626	XNPreeditAttributes, preedit_attr,
1249	XNStatusAttributes, status_attr, NULL);	1627	XNStatusAttributes, status_attr,
		1628	NULL);
1250		1629
		1630	XFree (status_attr);
		1631	}
		1632
1251	XFree(preedit_attr);	1633	XFree (preedit_attr);
1252	XFree(status_attr);
1253	}	1634	}
1254	#endif /* USE_XIM */	1635	#endif /* USE_XIM */
1255		1636
1256	/*----------------------------------------------------------------------*/	1637	void
1257	rxvt_t rxvt_current_term;	1638	rxvt_term::get_window_origin (int &x, int &y)
		1639	{
		1640	Window cr;
		1641	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1642	}
		1643
		1644	Pixmap
		1645	rxvt_term::get_pixmap_property (Atom property)
		1646	{
		1647	Pixmap pixmap = None;
		1648
		1649	int aformat;
		1650	unsigned long nitems, bytes_after;
		1651	Atom atype;
		1652	unsigned char *prop;
		1653	int result = XGetWindowProperty (dpy, display->root, property,
		1654	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1655	&nitems, &bytes_after, &prop);
		1656	if (result == Success)
		1657	{
		1658	if (atype == XA_PIXMAP)
		1659	pixmap = *(Pixmap *)prop;
		1660	XFree (prop);
		1661	}
		1662
		1663	return pixmap;
		1664	}
		1665
		1666	#ifdef HAVE_BG_PIXMAP
		1667
		1668	void
		1669	rxvt_term::update_background ()
		1670	{
		1671	if (update_background_ev.is_active ())
		1672	return;
		1673
		1674	bgPixmap.invalidate ();
		1675
		1676	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1677
		1678	if (to_wait <= 0.)
		1679	bgPixmap.render ();
		1680	else
		1681	update_background_ev.start (to_wait);
		1682	}
		1683
		1684	void
		1685	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1686	{
		1687	make_current ();
		1688
		1689	update_background_ev.stop ();
		1690	bgPixmap.render ();
		1691	refresh_check ();
		1692	}
		1693
		1694	#endif /* HAVE_BG_PIXMAP */
1258		1695
1259	/*----------------------- end-of-file (C source) -----------------------*/	1696	/*----------------------- end-of-file (C source) -----------------------*/

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