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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.2 by pcg, Mon Nov 24 17:31:27 2003 UTC vs.
Revision 1.338 by root, Tue Dec 7 19:47:02 2010 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.2 2003/11/24 17:31:27 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>
10	* - extensive modifications	9	* - extensive modifications
11	* Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>	10	* Copyright (c) 1995 Garrett D'Amore <garrett@netcom.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) 2003-2008 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.
…		…
28	* You should have received a copy of the GNU General Public License	28	* You should have received a copy of the GNU General Public License
29	* along with this program; if not, write to the Free Software	29	* along with this program; if not, write to the Free Software
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>
45	#endif
46		46
47	/*----------------------------------------------------------------------*/	47	#ifdef HAVE_XSETLOCALE
48	/* rxvt_init() */	48	# define X_LOCALE
49	/* LIBPROTO */	49	# include <X11/Xlocale.h>
50	rxvt_t *
51	rxvt_init(int argc, const char *const *argv)
52	{
53	const char **cmd_argv;
54
55	SET_R ((rxvt_t *)rxvt_calloc(1, sizeof(rxvt_t)));
56
57	dR;
58	if (rxvt_init_vars(aR) < 0) {
59	free(R);
60	return NULL;
61	}
62
63	/*
64	* Save and then give up any super-user privileges
65	* If we need privileges in any area then we must specifically request it.
66	* We should only need to be root in these cases:
67	* 1. write utmp entries on some systems
68	* 2. chown tty on some systems
69	*/
70	rxvt_privileges(aR_ SAVE);
71	rxvt_privileges(aR_ IGNORE);
72
73	rxvt_init_secondary(aR);
74
75	cmd_argv = rxvt_init_resources(aR_ argc, argv);
76
77	#if (MENUBAR_MAX)
78	rxvt_menubar_read(aR_ R->h->rs[Rs_menu]);
79	#endif
80	#ifdef HAVE_SCROLLBARS
81	if (R->Options & Opt_scrollBar)
82	scrollbar_setIdle(); /* set existence for size calculations */
83	#endif
84
85	rxvt_Create_Windows(aR_ argc, argv);
86
87	rxvt_init_xlocale(aR);
88
89	rxvt_scr_reset(aR); /* initialize screen */
90	#ifdef RXVT_GRAPHICS
91	rxvt_Gr_reset(aR); /* reset graphics */
92	#endif
93
94	#if 0
95	#ifdef DEBUG_X
96	XSynchronize(R->Xdisplay, True);
97	XSetErrorHandler((XErrorHandler) abort);
98	#else	50	#else
99	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);	51	# ifdef HAVE_SETLOCALE
		52	# include <clocale>
100	#endif	53	# endif
101	#endif	54	#endif
102		55
103	#ifdef HAVE_SCROLLBARS	56	struct termios rxvt_term::def_tio;
104	if (R->Options & Opt_scrollBar)	57	vector<rxvt_term *> rxvt_term::termlist;
105	rxvt_Resize_scrollBar(aR); /* create and map scrollbar */	58
106	#endif	59	// used to tell global functions which terminal instance is "active"
107	#if (MENUBAR_MAX)	60	rxvt_t rxvt_current_term;
108	if (menubar_visible(r))	61
109	XMapWindow(R->Xdisplay, R->menuBar.win);	62	static char curlocale[128], savelocale[128];
110	#endif	63
111	#ifdef TRANSPARENT	64	bool
112	if (R->Options & Opt_transparent) {	65	rxvt_set_locale (const char *locale) NOTHROW
113	XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);	66	{
114	rxvt_check_our_parents(aR);	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
		80	void
		81	rxvt_push_locale (const char *locale) NOTHROW
		82	{
		83	strcpy (savelocale, curlocale);
		84	rxvt_set_locale (locale);
		85	}
		86
		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)
115	}	104	{
116	#endif	105	if (cc->c2 == c2) return c1;
117	XMapWindow(R->Xdisplay, R->TermWin.vt);	106	cc = (*this)[cc->c1];
118	XMapWindow(R->Xdisplay, R->TermWin.parent[0]);	107	}
119		108
120	rxvt_init_env(aR);	109	// check to see whether this combination already exists otherwise
121	rxvt_init_command(aR_ cmd_argv);	110	for (cc = v.end (); cc-- > v.begin (); )
		111	{
		112	if (cc->c1 == c1 && cc->c2 == c2)
		113	return COMPOSE_LO + (cc - v.begin ());
		114	}
122		115
		116	// allocate a new combination
		117	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		118	{
		119	static int seen;
		120
		121	if (!seen++)
		122	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		123
		124	return REPLACEMENT_CHAR;
		125	}
		126
		127	v.push_back (compose_char (c1, c2));
		128
		129	return v.size () - 1 + COMPOSE_LO;
		130	}
		131
		132	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		133	{
		134	compose_char *cc = (*this)[c];
		135
		136	if (!cc)
		137	{
		138	if (r) *r = c;
		139	return 1;
		140	}
		141
		142	int len = expand (cc->c1, r);
		143
		144	if (r) r += len;
		145
		146	if (cc->c2 != NOCHAR)
		147	{
		148	len++;
		149	if (r) *r++ = cc->c2;
		150	}
		151
		152	return len;
		153
		154	}
		155	#endif
		156
		157	rxvt_term::rxvt_term ()
		158	{
		159	#if HAVE_BG_PIXMAP
		160	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		161	#endif
		162	#ifdef CURSOR_BLINK
		163	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		164	#endif
		165	#ifdef TEXT_BLINK
		166	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		167	#endif
		168	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		169	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		170	#endif
		171	#ifdef SELECTION_SCROLLING
		172	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		173	#endif
		174	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		175	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		176	#endif
		177	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		178	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		179	#endif
		180	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		181	#ifdef USE_XIM
		182	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
		183	#endif
		184	#ifdef POINTER_BLANK
		185	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
		186	#endif
		187	#ifndef NO_BELL
		188	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		189	#endif
		190	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		191	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		192	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		193	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		194	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		195	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		196	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		197
		198	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		199
		200	termlist.push_back (this);
		201
		202	#ifdef KEYSYM_RESOURCE
		203	keyboard = new keyboard_manager;
		204	#endif
		205	}
		206
		207	// clean up the most important stuff, do *not* call x or free mem etc.
		208	// for use before an emergency exit
		209	void
		210	rxvt_term::emergency_cleanup ()
		211	{
		212	if (cmd_pid)
		213	kill (-cmd_pid, SIGHUP);
		214
		215	pty_ev.stop ();
		216	delete pty; pty = 0;
		217	}
		218
		219	rxvt_term::~rxvt_term ()
		220	{
		221	termlist.erase (find (termlist.begin (), termlist.end(), this));
		222
		223	emergency_cleanup ();
		224
		225	#if ENABLE_STYLES
		226	for (int i = RS_styleCount; --i; )
		227	if (fontset[i] != fontset[0])
		228	delete fontset[i];
		229	#endif
		230	delete fontset[0];
		231
		232	#ifdef HAVE_BG_PIXMAP
		233	bgPixmap.destroy ();
		234	#endif
		235	#ifdef HAVE_AFTERIMAGE
		236	if (asv)
		237	destroy_asvisual (asv, 0);
		238	if (asimman)
		239	destroy_image_manager (asimman, 0);
		240	#endif
		241
		242	if (display)
		243	{
		244	selection_clear ();
		245	selection_clear (true);
		246
		247	#ifdef USE_XIM
		248	im_destroy ();
		249	#endif
		250	scrollBar.destroy ();
		251	if (gc) XFreeGC (dpy, gc);
		252
		253	delete drawable;
		254	// destroy all windows
		255	if (parent[0])
		256	XDestroyWindow (dpy, parent[0]);
		257
		258	for (int i = 0; i < TOTAL_COLORS; i++)
		259	if (ISSET_PIXCOLOR (i))
		260	{
		261	pix_colors_focused [i].free (this);
		262	#if OFF_FOCUS_FADING
		263	pix_colors_unfocused [i].free (this);
		264	#endif
		265	}
		266
		267	clear ();
		268
		269	display->flush (); /* ideally .put should do this */
		270	displays.put (display);
		271	}
		272
		273	scr_release ();
		274
		275	/* clear all resources */
		276	for (int i = 0; i < allocated.size (); i++)
		277	free (allocated [i]);
		278
		279	free (selection.text);
		280	free (selection.clip_text);
		281	// TODO: manage env vars in child only(!)
		282	free (env_display);
		283	free (env_term);
		284	free (locale);
		285	free (v_buffer);
		286	free (incr_buf);
		287
		288	delete envv;
		289	delete argv;
		290
		291	#ifdef KEYSYM_RESOURCE
		292	delete keyboard;
		293	#endif
		294	#ifndef NO_RESOURCES
		295	XrmDestroyDatabase (option_db);
		296	#endif
		297	}
		298
		299	// child has exited, usually destroys
		300	void
		301	rxvt_term::child_cb (ev::child &w, int status)
		302	{
		303	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		304
		305	cmd_pid = 0;
		306
		307	if (!option (Opt_hold))
		308	destroy ();
		309	}
		310
		311	void
		312	rxvt_term::destroy ()
		313	{
		314	if (destroy_ev.is_active ())
123	return R;	315	return;
124	}
125		316
126	/* ------------------------------------------------------------------------- *	317	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
127	* SIGNAL HANDLING & EXIT HANDLER *
128	* ------------------------------------------------------------------------- */
129	/*
130	* Catch a SIGCHLD signal and exit if the direct child has died
131	*/
132	/* ARGSUSED */
133	/* EXTPROTO */
134	RETSIGTYPE
135	rxvt_Child_signal(int sig __attribute__((unused)))
136	{
137	dR;
138	int pid, save_errno = errno;
139		318
140	do {	319	#if ENABLE_OVERLAY
141	errno = 0;	320	scr_overlay_off ();
142	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
143
144	if (pid == R->h->cmd_pid)
145	exit(EXIT_SUCCESS);
146
147	errno = save_errno;
148	signal(SIGCHLD, rxvt_Child_signal);
149	}
150
151	/*
152	* Catch a fatal signal and tidy up before quitting
153	*/
154	/* EXTPROTO */
155	RETSIGTYPE
156	rxvt_Exit_signal(int sig)
157	{
158	signal(sig, SIG_DFL);
159	#ifdef DEBUG_CMD
160	rxvt_print_error("signal %d", sig);
161	#endif	321	#endif
162	rxvt_clean_exit();
163	kill(getpid(), sig);
164	}
165		322
166	/* ARGSUSED */	323	if (display)
167	/* INTPROTO */
168	int
169	rxvt_xerror_handler(const Display *display __attribute__((unused)), const XErrorEvent *event)
170	{
171	dR;
172
173	if (R->h->allowedxerror == -1) {
174	R->h->allowedxerror = event->error_code;
175	return 0; /* ignored anyway */
176	}	324	{
177	rxvt_print_error("XError: Request: %d . %d, Error: %d",	325	#if USE_XIM
178	event->request_code, event->minor_code,	326	im_ev.stop (display);
179	event->error_code);	327	#endif
180	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	328	scrollbar_ev.stop (display);
181	exit(EXIT_FAILURE);	329	#if ENABLE_TRANSPARENCY || ENABLE_PERL
182	/* NOTREACHED */	330	rootwin_ev.stop (display);
		331	#endif
		332	incr_ev.stop ();
		333	termwin_ev.stop (display);
		334	vt_ev.stop (display);
		335	}
		336
		337	flush_ev.stop ();
		338	pty_ev.stop ();
		339	#ifdef CURSOR_BLINK
		340	cursor_blink_ev.stop ();
		341	#endif
		342	#ifdef TEXT_BLINK
		343	text_blink_ev.stop ();
		344	#endif
		345	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		346	cont_scroll_ev.stop ();
		347	#endif
		348	#ifdef SELECTION_SCROLLING
		349	sel_scroll_ev.stop ();
		350	#endif
		351	#ifdef POINTER_BLANK
		352	pointer_ev.stop ();
		353	#endif
		354
		355	destroy_ev.start ();
		356	}
		357
		358	void
		359	rxvt_term::destroy_cb (ev::idle &w, int revents)
		360	{
		361	make_current ();
		362
		363	delete this;
		364	}
		365
		366	void
		367	rxvt_term::set_option (uint8_t opt, bool set)
		368	{
		369	if (!opt)
		370	return;
		371
		372	uint8_t mask = 1 << (opt & 7);
		373	uint8_t &val = options [opt >> 3];
		374
		375	val = val & ~mask | (set ? mask : 0);
183	}	376	}
184		377
185	/*----------------------------------------------------------------------*/	378	/*----------------------------------------------------------------------*/
186	/*	379	/*
187	* Exit gracefully, clearing the utmp entry and restoring tty attributes	380	* Exit gracefully, clearing the utmp entry and restoring tty attributes
188	* TODO: if debugging, this should free up any known resources if we can	381	* TODO: if debugging, this should free up any known resources if we can
189	*/	382	*/
190	/* EXTPROTO */	383	static XErrorHandler old_xerror_handler;
191	void
192	rxvt_clean_exit(void)
193	{
194	dR;
195		384
196	#ifdef DEBUG_SCREEN	385	static void
197	rxvt_scr_release(aR);	386	rxvt_emergency_cleanup ()
		387	{
		388	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		389	(*t)->emergency_cleanup ();
		390	}
		391
		392	#if !ENABLE_MINIMAL
		393	static void
		394	print_x_error (Display *dpy, XErrorEvent *event)
		395	{
		396	char buffer[BUFSIZ];
		397	char mesg[BUFSIZ];
		398	char number[32];
		399	char *mtype = "XlibMessage";
		400	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		401	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		402	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
		403	rxvt_warn ("%s: %s\n", mesg, buffer);
		404	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		405	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		406	sprintf(number, "%d", event->request_code);
		407	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		408	rxvt_warn ("(which is %s)\n", buffer);
		409	if (event->request_code >= 128) {
		410	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		411	mesg, BUFSIZ);
		412	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		413	}
		414	if ((event->error_code == BadWindow) ||
		415	(event->error_code == BadPixmap) ||
		416	(event->error_code == BadCursor) ||
		417	(event->error_code == BadFont) ||
		418	(event->error_code == BadDrawable) ||
		419	(event->error_code == BadColor) ||
		420	(event->error_code == BadGC) ||
		421	(event->error_code == BadIDChoice) ||
		422	(event->error_code == BadValue) ||
		423	(event->error_code == BadAtom)) {
		424	if (event->error_code == BadValue)
		425	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		426	mesg, BUFSIZ);
		427	else if (event->error_code == BadAtom)
		428	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		429	mesg, BUFSIZ);
		430	else
		431	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		432	mesg, BUFSIZ);
		433	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		434	}
		435	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		436	mesg, BUFSIZ);
		437	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		438	}
198	#endif	439	#endif
199	#ifndef NO_SETOWNER_TTYDEV	440
200	rxvt_privileged_ttydev(aR_ RESTORE);	441	int
201	#endif	442	rxvt_xerror_handler (Display *display, XErrorEvent *event)
202	#ifdef UTMP_SUPPORT	443	{
203	rxvt_privileged_utmp(aR_ RESTORE);	444	if (GET_R->allowedxerror == -1)
204	#endif	445	GET_R->allowedxerror = event->error_code;
205	#ifdef USE_XIM	446	else
206	if (R->h->Input_Context != NULL) {
207	XDestroyIC(R->h->Input_Context);
208	R->h->Input_Context = NULL;
209	}	447	{
		448	// GET_R is most likely not the terminal which caused the error,
		449	// so just output the error and continue
		450	#if ENABLE_MINIMAL
		451	old_xerror_handler (display, event);
		452	#else
		453	print_x_error (display, event);
210	#endif	454	#endif
211	}	455	}
212		456
213	/* ------------------------------------------------------------------------- *
214	* MEMORY ALLOCATION WRAPPERS *
215	* ------------------------------------------------------------------------- */
216	/* EXTPROTO */
217	void *
218	rxvt_malloc(size_t size)
219	{
220	void *p;
221
222	p = malloc(size);
223	if (p)
224	return p;	457	return 0;
		458	}
225		459
226	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	460	int
227	rxvt_clean_exit();	461	rxvt_xioerror_handler (Display *display)
		462	{
		463	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		464	DisplayString (display));
		465	rxvt_emergency_cleanup ();
228	exit(EXIT_FAILURE);	466	_exit (EXIT_FAILURE);
229	/* NOTREACHED */
230	}	467	}
231		468
232	/* EXTPROTO */	469	static struct sig_handlers
233	void *
234	rxvt_calloc(size_t number, size_t size)
235	{	470	{
236	void *p;	471	ev::sig sw_term, sw_int;
237		472
238	p = calloc(number, size);	473	/*
239	if (p)	474	* Catch a fatal signal and tidy up before quitting
240	return p;	475	*/
		476	void sig_term (ev::sig &w, int revents);
241		477
242	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	478	sig_handlers ()
243	rxvt_clean_exit();	479	{
244	exit(EXIT_FAILURE);	480	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
245	/* NOTREACHED */	481	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
246	}	482	}
		483	} sig_handlers;
247		484
248	/* EXTPROTO */
249	void *
250	rxvt_realloc(void *ptr, size_t size)
251	{
252	void *p;
253
254	if (ptr)
255	p = realloc(ptr, size);
256	else
257	p = malloc(size);
258	if (p)
259	return p;
260
261	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
262	rxvt_clean_exit();
263	exit(EXIT_FAILURE);
264	/* NOTREACHED */
265	}
266	/* ------------------------------------------------------------------------- *
267	* PRIVILEGED OPERATIONS *
268	* ------------------------------------------------------------------------- */
269	/* take care of suid/sgid super-user (root) privileges */
270	/* INTPROTO */
271	void	485	void
272	rxvt_privileges(pR_ int mode)	486	sig_handlers::sig_term (ev::sig &w, int revents)
273	{	487	{
274	#if ! defined(__CYGWIN32__)	488	rxvt_emergency_cleanup ();
275	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	489	w.stop ();
276	/* setreuid() is the poor man's setuid(), seteuid() */	490	kill (getpid (), w.signum);
277	# define seteuid(a) setreuid(-1, (a))	491	}
278	# define setegid(a) setregid(-1, (a))	492
279	# define HAVE_SETEUID	493	static void
		494	rxvt_get_ttymode (struct termios *tio)
		495	{
		496	if (tcgetattr (STDIN_FILENO, tio) < 0)
		497	memset (tio, 0, sizeof (struct termios));
		498
		499	for (int i = 0; i < NCCS; i++)
		500	tio->c_cc[i] = VDISABLE;
		501
		502	tio->c_cc[VINTR] = CINTR;
		503	tio->c_cc[VQUIT] = CQUIT;
		504	tio->c_cc[VERASE] = CERASE;
		505	#ifdef VERASE2
		506	tio->c_cc[VERASE2] = CERASE2;
		507	#endif
		508	tio->c_cc[VKILL] = CKILL;
		509	tio->c_cc[VEOF] = CEOF;
		510	tio->c_cc[VSTART] = CSTART;
		511	tio->c_cc[VSTOP] = CSTOP;
		512	tio->c_cc[VSUSP] = CSUSP;
		513	# ifdef VDSUSP
		514	tio->c_cc[VDSUSP] = CDSUSP;
280	# endif	515	# endif
281	# ifdef HAVE_SETEUID	516	# ifdef VREPRINT
282	switch (mode) {	517	tio->c_cc[VREPRINT] = CRPRNT;
283	case IGNORE:
284	/*
285	* change effective uid/gid - not real uid/gid - so we can switch
286	* back to root later, as required
287	*/
288	seteuid(getuid());
289	setegid(getgid());
290	break;
291	case SAVE:
292	R->h->euid = geteuid();
293	R->h->egid = getegid();
294	break;
295	case RESTORE:
296	seteuid(R->h->euid);
297	setegid(R->h->egid);
298	break;
299	}
300	# else
301	switch (mode) {
302	case IGNORE:
303	setuid(getuid());
304	setgid(getgid());
305	/* FALLTHROUGH */
306	case SAVE:
307	/* FALLTHROUGH */
308	case RESTORE:
309	break;
310	}
311	# endif	518	# endif
312	#endif	519	# ifdef VDISCRD
313	}	520	tio->c_cc[VDISCRD] = CFLUSH;
314
315	#ifdef UTMP_SUPPORT
316	/* EXTPROTO */
317	void
318	rxvt_privileged_utmp(pR_ char action)
319	{
320	struct rxvt_hidden *h = R->h;
321
322	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)", action, h->next_utmp_action, getpid()));
323	if (h->next_utmp_action != action
324	|| (action != SAVE && action != RESTORE)
325	|| (R->Options & Opt_utmpInhibit)
326	|| h->ttydev == NULL
327	|| *h->ttydev == '\0')
328	return;
329
330	rxvt_privileges(aR_ RESTORE);
331	if (action == SAVE) {
332	h->next_utmp_action = RESTORE;
333	rxvt_makeutent(aR_ h->ttydev, h->rs[Rs_display_name]);
334	} else { /* action == RESTORE */
335	h->next_utmp_action = IGNORE;
336	rxvt_cleanutent(aR);
337	}
338	rxvt_privileges(aR_ IGNORE);
339	}
340	#endif
341
342	#ifndef NO_SETOWNER_TTYDEV
343	/* EXTPROTO */
344	void
345	rxvt_privileged_ttydev(pR_ char action)
346	{
347	struct rxvt_hidden *h = R->h;
348
349	D_MAIN((stderr, "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)", action, h->next_tty_action, getpid()));
350	if (h->next_tty_action != action
351	|| (action != SAVE && action != RESTORE)
352	|| h->ttydev == NULL
353	|| *h->ttydev == '\0')
354	return;
355
356	rxvt_privileges(aR_ RESTORE);
357
358	if (action == SAVE) {
359	h->next_tty_action = RESTORE;
360	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
361	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
362	if (lstat(h->ttydev, &h->ttyfd_stat) < 0) /* you lose out */
363	h->next_tty_action = IGNORE;
364	else
365	# endif	521	# endif
366	{	522	# ifdef VWERSE
367	chown(h->ttydev, getuid(), h->ttygid); /* fail silently */	523	tio->c_cc[VWERSE] = CWERASE;
368	chmod(h->ttydev, h->ttymode);
369	# ifdef HAVE_REVOKE
370	revoke(h->ttydev);
371	# endif	524	# endif
372	}	525	# ifdef VLNEXT
373	} else { /* action == RESTORE */	526	tio->c_cc[VLNEXT] = CLNEXT;
374	h->next_tty_action = IGNORE;
375	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
376	chmod(h->ttydev, h->ttyfd_stat.st_mode);
377	chown(h->ttydev, h->ttyfd_stat.st_uid, h->ttyfd_stat.st_gid);
378	# else
379	chmod(h->ttydev,
380	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
381	chown(h->ttydev, 0, 0);
382	# endif	527	# endif
383	}	528	# ifdef VSTATUS
384		529	tio->c_cc[VSTATUS] = CSTATUS;
385	rxvt_privileges(aR_ IGNORE);
386
387	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
388	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d", action == RESTORE ? "Restoring" : (action == SAVE ? "Saving" : "UNKNOWN ERROR for"), h->ttydev, h->ttyfd_stat.st_mode, h->ttyfd_stat.st_uid, h->ttyfd_stat.st_gid));
389	# endif	530	# endif
390	}	531
		532	# if VMIN != VEOF
		533	tio->c_cc[VMIN] = 1;
391	#endif	534	# endif
		535	# if VTIME != VEOL
		536	tio->c_cc[VTIME] = 0;
		537	# endif
		538
		539	/* input modes */
		540	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		541	# ifdef IMAXBEL
		542	| IMAXBEL
		543	# endif
		544	| IXON);
		545
		546	/* output modes */
		547	tio->c_oflag = (OPOST | ONLCR);
		548
		549	/* control modes */
		550	tio->c_cflag = (CS8 | CREAD);
		551
		552	/* local modes */
		553	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		554	# if defined (ECHOCTL) && defined (ECHOKE)
		555	| ECHOCTL | ECHOKE
		556	# endif
		557	| ECHOE | ECHOK);
		558	}
		559
		560	char **rxvt_environ; // startup environment
		561
		562	void
		563	rxvt_init ()
		564	{
		565	assert (("fontMask must not overlap other RS masks",
		566	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		567
		568	rxvt_get_ttymode (&rxvt_term::def_tio);
		569
		570	// get rid of stdin/stdout as we don't need them, to free resources
		571	dup2 (STDERR_FILENO, STDIN_FILENO);
		572	dup2 (STDERR_FILENO, STDOUT_FILENO);
		573
		574	if (!ev_default_loop ())
		575	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		576
		577	rxvt_environ = environ;
		578
		579	signal (SIGHUP, SIG_IGN);
		580	signal (SIGPIPE, SIG_IGN);
		581
		582	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		583	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		584
		585	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		586	// TODO: handle this with exceptions and tolerate the memory loss
		587	XSetIOErrorHandler (rxvt_xioerror_handler);
		588
		589	XrmInitialize ();
		590	}
392		591
393	/*----------------------------------------------------------------------*/	592	/*----------------------------------------------------------------------*/
394	/*	593	/*
395	* window size/position calculcations for XSizeHint and other storage.	594	* window size/position calculations for XSizeHint and other storage.
396	* if width/height are non-zero then override calculated width/height	595	* if width/height are non-zero then override calculated width/height
397	*/	596	*/
398	/* EXTPROTO */
399	void	597	void
400	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	598	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
401	{	599	{
402	short recalc_x, recalc_y;	600	short recalc_x, recalc_y;
403	int x, y, sb_w, mb_h, flags;	601	int x, y, flags;
404	unsigned int w, h;	602	unsigned int w, h;
405	unsigned int max_width, max_height;	603	unsigned int max_width, max_height;
406		604
407	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, R->szHint.height));
408	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	605	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
409	R->szHint.win_gravity = NorthWestGravity;	606	szHint.win_gravity = NorthWestGravity;
410	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	607	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
411		608
412	recalc_x = recalc_y = 0;	609	recalc_x = recalc_y = 0;
413	flags = 0;	610	flags = 0;
		611
414	if (!R->h->parsed_geometry) {	612	if (!parsed_geometry)
		613	{
415	R->h->parsed_geometry = 1;	614	parsed_geometry = 1;
		615
416	if (R->h->rs[Rs_geometry])	616	if (rs[Rs_geometry])
417	flags = XParseGeometry(R->h->rs[Rs_geometry], &x, &y, &w, &h);	617	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		618
418	if (flags & WidthValue) {	619	if (flags & WidthValue)
419	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	620	{
420	R->szHint.flags |= USSize;	621	if (!w)
421	}	622	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		623
		624	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
		625	szHint.flags |= USSize;
		626	}
		627
422	if (flags & HeightValue) {	628	if (flags & HeightValue)
423	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	629	{
424	R->szHint.flags |= USSize;	630	if (!h)
425	}	631	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		632
		633	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
		634	szHint.flags |= USSize;
		635	}
		636
426	if (flags & XValue) {	637	if (flags & XValue)
427	R->szHint.x = x;	638	{
		639	szHint.x = x;
428	R->szHint.flags |= USPosition;	640	szHint.flags |= USPosition;
		641
429	if (flags & XNegative) {	642	if (flags & XNegative)
430	recalc_x = 1;	643	{
		644	recalc_x = 1;
431	R->szHint.win_gravity = NorthEastGravity;	645	szHint.win_gravity = NorthEastGravity;
		646	}
		647	}
		648
		649	if (flags & YValue)
		650	{
		651	szHint.y = y;
		652	szHint.flags |= USPosition;
		653
		654	if (flags & YNegative)
		655	{
		656	recalc_y = 1;
		657
		658	if (szHint.win_gravity == NorthEastGravity)
		659	szHint.win_gravity = SouthEastGravity;
		660	else
		661	szHint.win_gravity = SouthWestGravity;
		662	}
		663	}
432	}	664	}
433	}	665
434	if (flags & YValue) {
435	R->szHint.y = y;
436	R->szHint.flags |= USPosition;
437	if (flags & YNegative) {
438	recalc_y = 1;
439	if (R->szHint.win_gravity == NorthEastGravity)
440	R->szHint.win_gravity = SouthEastGravity;
441	else
442	R->szHint.win_gravity = SouthWestGravity;
443	}
444	}
445	}
446	/* TODO: BOUNDS */	666	/* TODO: BOUNDS */
447	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	667	width = ncol * fwidth;
448	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	668	height = nrow * fheight;
449	max_width = MAX_COLS * R->TermWin.fwidth;	669	max_width = MAX_COLS * fwidth;
450	max_height = MAX_ROWS * R->TermWin.fheight;	670	max_height = MAX_ROWS * fheight;
451		671
452	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	672	szHint.base_width = szHint.base_height = 2 * int_bwidth;
453		673
454	sb_w = mb_h = 0;	674	window_vt_x = window_vt_y = int_bwidth;
455	R->h->window_vt_x = R->h->window_vt_y = 0;	675
456	if (scrollbar_visible(R)) {	676	if (scrollBar.state)
457	sb_w = scrollbar_TotalWidth();	677	{
		678	int sb_w = scrollBar.total_width ();
458	R->szHint.base_width += sb_w;	679	szHint.base_width += sb_w;
		680
459	if (!(R->Options & Opt_scrollBar_right))	681	if (!option (Opt_scrollBar_right))
460	R->h->window_vt_x = sb_w;	682	window_vt_x += sb_w;
461	}	683	}
462	if (menubar_visible(R)) {	684
463	mb_h = menuBar_TotalHeight();
464	R->szHint.base_height += mb_h;
465	R->h->window_vt_y = mb_h;
466	}
467	R->szHint.width_inc = R->TermWin.fwidth;	685	szHint.width_inc = fwidth;
468	R->szHint.height_inc = R->TermWin.fheight;	686	szHint.height_inc = fheight;
469	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	687	szHint.min_width = szHint.base_width + szHint.width_inc;
470	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	688	szHint.min_height = szHint.base_height + szHint.height_inc;
471		689
472	if (width && width - R->szHint.base_width < max_width) {	690	if (newwidth && newwidth - szHint.base_width < max_width)
473	R->szHint.width = width;
474	R->TermWin.width = width - R->szHint.base_width;
475	} else {
476	MIN_IT(R->TermWin.width, max_width);
477	R->szHint.width = R->szHint.base_width + R->TermWin.width;
478	}	691	{
		692	szHint.width = newwidth;
		693	width = newwidth - szHint.base_width;
		694	}
		695	else
		696	{
		697	min_it (width, max_width);
		698	szHint.width = szHint.base_width + width;
		699	}
		700
479	if (height && height - R->szHint.base_height < max_height) {	701	if (newheight && newheight - szHint.base_height < max_height)
480	R->szHint.height = height;
481	R->TermWin.height = height - R->szHint.base_height;
482	} else {
483	MIN_IT(R->TermWin.height, max_height);
484	R->szHint.height = R->szHint.base_height + R->TermWin.height;
485	}	702	{
486	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	703	szHint.height = newheight;
487	R->h->window_sb_x = R->szHint.width - sb_w;	704	height = newheight - szHint.base_height;
		705	}
		706	else
		707	{
		708	min_it (height, max_height);
		709	szHint.height = szHint.base_height + height;
		710	}
488		711
489	if (recalc_x)	712	if (recalc_x)
490	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	713	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
491	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	714
492	if (recalc_y)	715	if (recalc_y)
493	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	716	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
494	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
495		717
496	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	718	ncol = width / fwidth;
497	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	719	nrow = height / fheight;
498	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, R->szHint.height));
499	return;
500	}	720	}
501		721
502	/*----------------------------------------------------------------------*/	722	/*----------------------------------------------------------------------*/
503	/*	723	/*
504	* Tell the teletype handler what size the window is.	724	* Tell the teletype handler what size the window is.
505	* Called after a window size change.	725	* Called after a window size change.
506	*/	726	*/
507	/* EXTPROTO */
508	void	727	void
509	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	728	rxvt_term::tt_winch ()
510	{	729	{
		730	if (pty->pty < 0)
		731	return;
		732
511	struct winsize ws;	733	struct winsize ws;
512		734
513	if (fd < 0)
514	return;
515	ws.ws_col = col;	735	ws.ws_col = ncol;
516	ws.ws_row = row;	736	ws.ws_row = nrow;
517	ws.ws_xpixel = ws.ws_ypixel = 0;	737	ws.ws_xpixel = width;
518	#ifndef DEBUG_SIZE	738	ws.ws_ypixel = height;
519	(void)ioctl(fd, TIOCSWINSZ, &ws);	739	ioctl (pty->pty, TIOCSWINSZ, &ws);
520	#else	740
521	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	741	#if 0
522	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	742	// TIOCSWINSZ is supposed to do this automatically and correctly
523	}
524	# ifdef SIGWINCH
525	else if (pid) /* force through to the command */	743	if (cmd_pid) /* force through to the command */
526	kill(pid, SIGWINCH);	744	kill (-cmd_pid, SIGWINCH);
527	# endif
528	#endif	745	#endif
529	}	746	}
530		747
531	/*----------------------------------------------------------------------*/	748	/*----------------------------------------------------------------------*/
532	/* rxvt_change_font() - Switch to a new font */	749	/* set_fonts () - load and set the various fonts
533	/*	750	*
534	* init = 1 - initialize	751	* init = 1 - initialize
535	*	752	*
536	* fontname == FONT_UP - switch to bigger font	753	* fontname == FONT_UP - switch to bigger font
537	* fontname == FONT_DN - switch to smaller font	754	* fontname == FONT_DN - switch to smaller font
538	*/	755	*/
539	/* EXTPROTO */	756	bool
540	void	757	rxvt_term::set_fonts ()
541	rxvt_change_font(pR_ int init, const char *fontname)
542	{	758	{
543	}	759	rxvt_fontset *fs = new rxvt_fontset (this);
		760	rxvt_fontprop prop;
544		761
545	/* INTPROTO */	762	if (!fs
		763	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		764	|| !fs->realize_font (1))
		765	{
		766	delete fs;
		767	return false;
		768	}
		769
		770	#if ENABLE_STYLES
		771	for (int i = RS_styleCount; --i; )
		772	if (fontset[i] != fontset[0])
		773	delete fontset[i];
		774	#endif
		775
		776	delete fontset[0];
		777	fontset[0] = fs;
		778
		779	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		780	prop.height += lineSpace;
		781	prop.width += letterSpace;
		782
		783	fs->set_prop (prop, false);
		784
		785	fwidth = prop.width;
		786	fheight = prop.height;
		787	fbase = prop.ascent;
		788
		789	for (int style = 1; style < 4; style++)
		790	{
		791	#if ENABLE_STYLES
		792	const char *res = rs[Rs_font + style];
		793
		794	if (res && !*res)
		795	fontset[style] = fontset[0];
		796	else
		797	{
		798	fontset[style] = fs = new rxvt_fontset (this);
		799	rxvt_fontprop prop2 = prop;
		800
		801	if (res)
		802	{
		803	fs->populate (res);
		804	fs->set_prop (prop2, false);
		805	}
		806	else
		807	{
		808	fs->populate (fontset[0]->fontdesc);
		809
		810	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		811	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		812
		813	fs->set_prop (prop2, true);
		814	}
		815
		816	}
		817	#else
		818	fontset[style] = fontset[0];
		819	#endif
		820	}
		821
		822	if (parent[0])
		823	{
		824	resize_all_windows (0, 0, 0);
		825	scr_remap_chars ();
		826	scr_touch (true);
		827	}
		828
		829	return true;
		830	}
		831
546	void	832	void
547	rxvt_font_up_down(pR_ int n, int direction)	833	rxvt_term::set_string_property (Atom prop, const char *str, int len)
548	{	834	{
		835	XChangeProperty (dpy, parent[0],
		836	prop, XA_STRING, 8, PropModeReplace,
		837	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		838	}
		839
		840	void
		841	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		842	{
		843	XTextProperty ct;
		844
		845	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		846	{
		847	XSetTextProperty (dpy, parent[0], &ct, prop);
		848	XFree (ct.value);
		849	}
		850	}
		851
		852	void
		853	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		854	{
		855	wchar_t *ws = rxvt_mbstowcs (str, len);
		856	char *s = rxvt_wcstoutf8 (ws);
		857
		858	XChangeProperty (dpy, parent[0],
		859	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		860	(const unsigned char *)s, strlen (s));
		861
		862	free (s);
		863	free (ws);
549	}	864	}
550		865
551	/*----------------------------------------------------------------------*/	866	/*----------------------------------------------------------------------*/
552	/*----------------------------------------------------------------------*/	867	/*----------------------------------------------------------------------*/
553	/* xterm sequences - title, iconName, color (exptl) */	868	/* xterm sequences - title, iconName, color (exptl) */
554	/* EXTPROTO */
555	void	869	void
556	rxvt_set_title(pR_ const char *str)	870	rxvt_term::set_title (const char *str)
557	{	871	{
558	#ifndef SMART_WINDOW_TITLE	872	set_mbstring_property (XA_WM_NAME, str);
559	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	873	#if ENABLE_EWMH
560	#else	874	set_utf8_property (xa[XA_NET_WM_NAME], str);
561	char *name;
562
563	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
564	name = NULL;
565	if (name == NULL || STRCMP(name, str))
566	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
567	if (name)
568	XFree(name);
569	#endif	875	#endif
570	}	876	}
571		877
572	/* EXTPROTO */
573	void	878	void
574	rxvt_set_iconName(pR_ const char *str)	879	rxvt_term::set_icon_name (const char *str)
575	{	880	{
576	#ifndef SMART_WINDOW_TITLE	881	set_mbstring_property (XA_WM_ICON_NAME, str);
577	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	882	#if ENABLE_EWMH
578	#else	883	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
579	char *name;
580
581	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
582	name = NULL;
583	if (name == NULL || STRCMP(name, str))
584	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
585	if (name)
586	XFree(name);
587	#endif	884	#endif
588	}	885	}
589		886
		887	void
		888	rxvt_term::set_window_color (int idx, const char *color)
		889	{
590	#ifdef XTERM_COLOR_CHANGE	890	#ifdef XTERM_COLOR_CHANGE
591	/* EXTPROTO */
592	void
593	rxvt_set_window_color(pR_ int idx, const char *color)
594	{
595	rxvt_color xcol;	891	rxvt_color xcol;
596	int i;
597		892
598	if (color == NULL || *color == '\0')	893	if (color == NULL || *color == '\0')
599	return;	894	return;
600		895
		896	color = strdup (color);
		897	allocated.push_back ((void *)color);
		898	rs[Rs_color + idx] = color;
		899
601	/* handle color aliases */	900	/* handle color aliases */
602	if (isdigit(*color)) {	901	if (isdigit (*color))
603	i = atoi(color);
604	if (i >= 8 && i <= 15) { /* bright colors */
605	i -= 8;
606	# ifndef NO_BRIGHTCOLOR
607	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
608	SET_PIXCOLOR(R->h, idx);
609	goto Done;
610	# endif
611	}
612	if (i >= 0 && i <= 7) { /* normal colors */
613	R->PixColors[idx] = R->PixColors[minCOLOR + i];
614	SET_PIXCOLOR(R->h, idx);
615	goto Done;
616	}
617	}	902	{
618	if (!rxvt_rXParseAllocColor(aR_ &xcol, color))	903	int i = atoi (color);
619	return;
620	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
621		904
622	/*	905	if (i >= 8 && i <= 15)
		906	{
		907	/* bright colors */
		908	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
		909	goto done;
		910	}
		911
		912	if (i >= 0 && i <= 7)
		913	{
		914	/* normal colors */
		915	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		916	goto done;
		917	}
		918	}
		919
		920	set_color (xcol, color);
		921
		922	/*
623	* FIXME: should free colors here, but no idea how to do it so instead,	923	* FIXME: should free colors here, but no idea how to do it so instead,
624	* so just keep gobbling up the colormap	924	* so just keep gobbling up the colormap
625	*/	925	*/
626	# if 0
627	for (i = Color_Black; i <= Color_White; i++)
628	if (R->PixColors[idx] == R->PixColors[i])
629	break;
630	if (i > Color_White) {
631	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
632	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
633	DisplayPlanes(R->Xdisplay, Xscreen));
634	}
635	# endif
636		926
637	R->PixColors[idx] = xcol;	927	pix_colors_focused[idx] = xcol;
638	SET_PIXCOLOR(R->h, idx);
639		928
640	/* XSetWindowAttributes attr; */	929	done:
641	/* Cursor cursor; */
642	Done:
643	if (idx == Color_bg && !(R->Options & Opt_transparent))
644	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
645	R->PixColors[Color_bg]);
646
647	/* handle Color_BD, scrollbar background, etc. */	930	/*TODO: handle Color_BD, scrollbar background, etc. */
648		931
649	rxvt_set_colorfgbg(aR);	932	update_fade_color (idx);
650	rxvt_recolour_cursor(aR);	933	recolour_cursor ();
651	/* the only reasonable way to enforce a clean update */	934	scr_recolour ();
652	rxvt_scr_poweron(aR);
653	}
654
655	#else
656	# define rxvt_set_window_color(aR_ idx,color) ((void)0)
657	#endif /* XTERM_COLOR_CHANGE */	935	#endif /* XTERM_COLOR_CHANGE */
		936	}
658		937
659	/* EXTPROTO */
660	void	938	void
661	rxvt_recolour_cursor(pR)	939	rxvt_term::recolour_cursor ()
662	{	940	{
663	rxvt_color xcol[2];	941	XColor fg, bg;
664		942
665	#if TODO	943	(ISSET_PIXCOLOR (Color_pointer_fg)
666	xcol[0] = R->PixColors[Color_pointer];	944	? pix_colors_focused[Color_pointer_fg]
667	xcol[1] = R->PixColors[Color_bg];	945	: pix_colors_focused[Color_fg]).get (fg);
668	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	946
669	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	947	(ISSET_PIXCOLOR (Color_pointer_bg)
670	#endif	948	? pix_colors_focused[Color_pointer_bg]
		949	: pix_colors_focused[Color_bg]).get (bg);
		950
		951	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
671	}	952	}
672		953
673	/*----------------------------------------------------------------------*/	954	/*----------------------------------------------------------------------*/
674	/*	955	/*
675	* find if fg/bg matches any of the normal (low-intensity) colors	956	* find if fg/bg matches any of the normal (low-intensity) colors
676	*/	957	*/
677	/* INTPROTO */
678	void	958	void
679	rxvt_set_colorfgbg(pR)	959	rxvt_term::set_colorfgbg ()
680	{	960	{
681	unsigned int i;	961	unsigned int i;
682	const char *xpmb = "\0";	962	const char *xpmb = "";
683	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	963	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
684		964
685	R->h->env_colorfgbg = (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	965	strcpy (fstr, "default");
686	STRCPY(fstr, "default");	966	strcpy (bstr, "default");
687	STRCPY(bstr, "default");
688	for (i = Color_Black; i <= Color_White; i++)	967	for (i = Color_Black; i <= Color_White; i++)
689	if (R->PixColors[Color_fg] == R->PixColors[i]) {	968	if (pix_colors[Color_fg] == pix_colors[i])
		969	{
690	sprintf(fstr, "%d", (i - Color_Black));	970	sprintf (fstr, "%d", (i - Color_Black));
691	break;	971	break;
692	}	972	}
		973
693	for (i = Color_Black; i <= Color_White; i++)	974	for (i = Color_Black; i <= Color_White; i++)
694	if (R->PixColors[Color_bg] == R->PixColors[i]) {	975	if (pix_colors[Color_bg] == pix_colors[i])
		976	{
695	sprintf(bstr, "%d", (i - Color_Black));	977	sprintf (bstr, "%d", (i - Color_Black));
696	#ifdef XPM_BACKGROUND	978	#ifdef BG_IMAGE_FROM_FILE
697	xpmb = "default;";	979	xpmb = "default;";
698	#endif	980	#endif
699	break;	981	break;
700	}	982	}
		983
701	sprintf(R->h->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	984	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
702	putenv(R->h->env_colorfgbg);
703
704	#ifndef NO_BRIGHTCOLOR
705	R->h->colorfgbg = DEFAULT_RSTYLE;
706	for (i = minCOLOR; i <= maxCOLOR; i++) {
707	if (R->PixColors[Color_fg] == R->PixColors[i])
708	R->h->colorfgbg = SET_FGCOLOR(R->h->colorfgbg, i);
709	if (R->PixColors[Color_bg] == R->PixColors[i])
710	R->h->colorfgbg = SET_BGCOLOR(R->h->colorfgbg, i);
711	}
712	#endif
713	}	985	}
714		986
715	/*----------------------------------------------------------------------*/	987	/*----------------------------------------------------------------------*/
716	/*
717	* Colour determination for low colour displays, routine from
718	* Hans de Goede <hans@highrise.nl>
719	*/
720		988
721	/* EXTPROTO */	989	bool
722	int	990	rxvt_term::set_color (rxvt_color &color, const char *name)
723	rxvt_rXParseAllocColor(pR_ rxvt_color *screen_in_out, const char *colour)
724	{	991	{
725	screen_in_out->set (aR_ colour);	992	if (color.set (this, name))
726
727	if (!screen_in_out->set (aR_ colour))
728	{
729	rxvt_print_error("can't allocate colour: %s", colour);
730	return false;
731	}
732
733	return true;	993	return true;
		994
		995	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		996	return false;
		997	}
		998
		999	void
		1000	rxvt_term::alias_color (int dst, int src)
		1001	{
		1002	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
734	}	1003	}
735		1004
736	/* -------------------------------------------------------------------- *	1005	/* -------------------------------------------------------------------- *
737	* - WINDOW RESIZING - *	1006	* - WINDOW RESIZING - *
738	* -------------------------------------------------------------------- */	1007	* -------------------------------------------------------------------- */
739	/* EXTPROTO */
740	void	1008	void
741	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, int ignoreparent)	1009	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
742	{	1010	{
743	int fix_screen;	1011	int fix_screen;
		1012	int old_width = szHint.width;
		1013	int old_height = szHint.height;
		1014
		1015	window_calc (newwidth, newheight);
		1016
		1017	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1018
		1019	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1020	if (set_hint)
		1021	{
		1022	szHint.flags &= ~(PBaseSize | PResizeInc);
		1023	XSetWMNormalHints (dpy, parent[0], &szHint);
		1024	szHint.flags |= PBaseSize | PResizeInc;
		1025	}
		1026
		1027	if (!ignoreparent)
		1028	{
744	#ifdef SMART_RESIZE	1029	#ifdef SMART_RESIZE
745	int old_width = R->szHint.width,	1030	/*
746	old_height = R->szHint.height;
747	#endif
748
749	rxvt_window_calc(aR_ width, height);
750	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
751	if (!ignoreparent) {
752	#ifdef SMART_RESIZE
753	/*
754	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1031	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
755	* reposition window on resize depending on placement on screen	1032	* reposition window on resize depending on placement on screen
756	*/	1033	*/
757	int x, y, x1, y1;	1034	int x, y, x1, y1;
758	int dx, dy;	1035	int dx, dy;
759	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1036	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
760	Window unused_cr;	1037	Window unused_cr;
761		1038
762	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1039	XTranslateCoordinates (dpy, parent[0], display->root,
763	0, 0, &x, &y, &unused_cr);	1040	0, 0, &x, &y, &unused_cr);
764	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1041	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
765	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1042	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
766	/*	1043	/*
767	* if Xroot isn't the parent window, a WM will probably have offset	1044	* if display->root isn't the parent window, a WM will probably have offset
768	* our position for handles and decorations. Counter it	1045	* our position for handles and decorations. Counter it
769	*/	1046	*/
770	if (x1 != x || y1 != y) {	1047	if (x1 != x || y1 != y)
		1048	{
771	x -= x1;	1049	x -= x1;
772	y -= y1;	1050	y -= y1;
773	}	1051	}
774		1052
775	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1053	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
776	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1054	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
777	dx = old_width - R->szHint.width;	1055	dx = old_width - szHint.width;
778	dy = old_height - R->szHint.height;	1056	dy = old_height - szHint.height;
779		1057
780	/* Check position of the center of the window */	1058	/* Check position of the center of the window */
781	if (x < x1) /* left half */	1059	if (x < x1) /* left half */
782	dx = 0;	1060	dx = 0;
783	else if (x == x1) /* exact center */	1061	else if (x == x1) /* exact center */
784	dx /= 2;	1062	dx /= 2;
785	if (y < y1) /* top half */	1063	if (y < y1) /* top half */
786	dy = 0;	1064	dy = 0;
787	else if (y == y1) /* exact center */	1065	else if (y == y1) /* exact center */
788	dy /= 2;	1066	dy /= 2;
789		1067
790	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1068	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
791	R->szHint.width, R->szHint.height);	1069	szHint.width, szHint.height);
792	#else	1070	#else
793	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1071	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
794	R->szHint.height);
795	#endif	1072	#endif
796	}	1073	}
797		1074
798	fix_screen = (R->TermWin.ncol != R->h->prev_ncol	1075	if (set_hint)
799	|| R->TermWin.nrow != R->h->prev_nrow);	1076	XSetWMNormalHints (dpy, parent[0], &szHint);
		1077
		1078	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1079
800	if (fix_screen || width != R->h->old_width || height != R->h->old_height) {	1080	if (fix_screen || newwidth != old_width || newheight != old_height)
801	if (scrollbar_visible(R)) {
802	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->h->window_sb_x,
803	0, scrollbar_TotalWidth(), R->szHint.height);
804	rxvt_Resize_scrollBar(aR);
805	}
806	if (menubar_visible(R))
807	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->h->window_vt_x,
808	0, TermWin_TotalWidth(), menuBar_TotalHeight());
809	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->h->window_vt_x,
810	R->h->window_vt_y, TermWin_TotalWidth(),
811	TermWin_TotalHeight());
812	#ifdef RXVT_GRAPHICS
813	if (R->h->old_height)
814	rxvt_Gr_Resize(aR_ R->h->old_width - R->szHint.base_width,
815	R->h->old_height - R->szHint.base_height);
816	#endif
817	rxvt_scr_clear(aR);
818	#ifdef XPM_BACKGROUND
819	rxvt_resize_pixmap(aR);
820	#endif
821	}	1081	{
		1082	if (scrollBar.state)
		1083	scrollBar.resize ();
822		1084
		1085	XMoveResizeWindow (dpy, vt,
		1086	window_vt_x, window_vt_y,
		1087	width, height);
		1088
		1089	#ifdef HAVE_BG_PIXMAP
		1090	if (bgPixmap.window_size_sensitive ())
		1091	update_background ();
		1092	#endif
		1093	}
		1094
823	if (fix_screen || R->h->old_height == 0) {	1095	if (fix_screen || old_height == 0)
824	int curr_screen = -1;	1096	scr_reset ();
825	uint16_t old_ncol = R->h->prev_ncol;
826		1097
827	/* scr_reset only works on the primary screen */	1098	#ifdef HAVE_BG_PIXMAP
828	if (R->h->old_height) /* this is not the first time through */	1099	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
829	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1100	// if (bgPixmap.pixmap)
830	rxvt_scr_reset(aR);	1101	// scr_touch (false);
831	if (curr_screen >= 0) { /* this is not the first time through */	1102	#endif
832	rxvt_scr_change_screen(aR_ curr_screen);
833	rxvt_selection_check(aR_ (old_ncol != R->TermWin.ncol ? 4 : 0));
834	}
835	}
836
837	R->h->old_width = R->szHint.width;
838	R->h->old_height = R->szHint.height;
839		1103
840	#ifdef USE_XIM	1104	#ifdef USE_XIM
841	rxvt_IMSetStatusPosition(aR);	1105	IMSetPosition ();
842	#endif	1106	#endif
843	}	1107	}
844		1108
845	/*	1109	/*
846	* Set the width/height of the vt window in characters. Units are pixels.	1110	* Set the width/height of the vt window in characters. Units are pixels.
847	* good for toggling 80/132 columns	1111	* good for toggling 80/132 columns
848	*/	1112	*/
849	/* EXTPROTO */
850	void	1113	void
851	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1114	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
852	{	1115	{
853	XWindowAttributes wattr;	1116	XWindowAttributes wattr;
854		1117
855	if (width == 0 || height == 0) {	1118	if (newwidth == 0 || newheight == 0)
		1119	{
856	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1120	XGetWindowAttributes (dpy, display->root, &wattr);
		1121
857	if (width == 0)	1122	if (newwidth == 0)
858	width = wattr.width - R->szHint.base_width;	1123	newwidth = wattr.width - szHint.base_width;
859	if (height == 0)	1124	if (newheight == 0)
860	height = wattr.height - R->szHint.base_height;	1125	newheight = wattr.height - szHint.base_height;
		1126	}
		1127
		1128	if (newwidth != width || newheight != height)
861	}	1129	{
862	if (width != R->TermWin.width || height != R->TermWin.height) {
863	width += R->szHint.base_width;	1130	newwidth += szHint.base_width;
864	height += R->szHint.base_height;	1131	newheight += szHint.base_height;
865	rxvt_resize_all_windows(aR_ width, height, 0);	1132	resize_all_windows (newwidth, newheight, 0);
866	}	1133	}
867	}	1134	}
868		1135
869	/* -------------------------------------------------------------------- *	1136	/* -------------------------------------------------------------------- *
870	* - X INPUT METHOD ROUTINES - *	1137	* - X INPUT METHOD ROUTINES - *
871	* -------------------------------------------------------------------- */	1138	* -------------------------------------------------------------------- */
872	#ifdef USE_XIM	1139	#ifdef USE_XIM
873	/* INTPROTO */
874	void
875	rxvt_setSize(pR_ XRectangle *size)
876	{
877	size->x = R->TermWin.int_bwidth;
878	size->y = R->TermWin.int_bwidth;
879	size->width = Width2Pixel(R->TermWin.ncol);
880	size->height = Height2Pixel(R->TermWin.nrow);
881	}
882		1140
883	/* INTPROTO */
884	void	1141	void
885	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1142	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
886	{	1143	{
887	*fg = R->PixColors[Color_fg];	1144	fg = pix_colors [Color_fg];
888	*bg = R->PixColors[Color_bg];	1145	bg = pix_colors [Color_bg];
		1146	}
		1147
		1148	void
		1149	rxvt_term::im_set_size (XRectangle &size)
		1150	{
		1151	// the int_bwidth terms make no sense to me
		1152	size.x = int_bwidth;
		1153	size.y = int_bwidth;
		1154	size.width = Width2Pixel (ncol) + int_bwidth;
		1155	size.height = Height2Pixel (nrow) + int_bwidth;
		1156	}
		1157
		1158	void
		1159	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1160	XRectangle &status_rect,
		1161	const XRectangle &needed_rect)
		1162	{
		1163	preedit_rect.x = needed_rect.width;
		1164	preedit_rect.y = 0;
		1165	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1166	preedit_rect.height = fheight;
		1167
		1168	status_rect.x = 0;
		1169	status_rect.y = 0;
		1170	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1171	status_rect.height = fheight;
889	}	1172	}
890		1173
891	/* Checking whether input method is running. */	1174	/* Checking whether input method is running. */
892	/* INTPROTO */
893	Bool	1175	bool
894	rxvt_IMisRunning(pR)	1176	rxvt_term::IMisRunning ()
895	{	1177	{
896	char *p;	1178	Atom atom;
897	Atom atom;	1179	Window win;
898	Window win;
899	char server[IMBUFSIZ];	1180	char server[IMBUFSIZ];
900		1181
901	/* get current locale modifier */	1182	/* get current locale modifier */
902	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1183	if (char *p = XSetLocaleModifiers (0))
903	STRCPY(server, "@server=");	1184	{
904	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1185	strcpy (server, "@server=");
905	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1186	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1187
		1188	if (p = strchr (server + 1, '@')) /* first one only */
906	*p = '\0';	1189	*p = '\0';
907		1190
908	atom = XInternAtom(R->Xdisplay, server, False);	1191	atom = XInternAtom (dpy, server, False);
909	win = XGetSelectionOwner(R->Xdisplay, atom);	1192	win = XGetSelectionOwner (dpy, atom);
		1193
910	if (win != None)	1194	if (win != None)
911	return True;	1195	return True;
912	}	1196	}
		1197
913	return False;	1198	return False;
914	}	1199	}
915		1200
916	/* EXTPROTO */
917	void	1201	void
918	rxvt_IMSendSpot(pR)	1202	rxvt_term::IMSendSpot ()
919	{	1203	{
920	XPoint spot;	1204	XPoint nspot;
921	XVaNestedList preedit_attr;	1205	XVaNestedList preedit_attr;
922		1206
923	if (R->h->Input_Context == NULL	1207	if (!Input_Context
924	|| !R->TermWin.focus	1208	|| !focus
925	|| !(R->h->input_style & XIMPreeditPosition)	1209	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
926	|| !(R->h->event_type == KeyPress	1210	return;
927	|| R->h->event_type == Expose
928	|| R->h->event_type == NoExpose
929	|| R->h->event_type == SelectionNotify
930	|| R->h->event_type == ButtonRelease
931	|| R->h->event_type == FocusIn)
932	|| !rxvt_IMisRunning(aR))
933	return;
934		1211
935	rxvt_setPosition(aR_ &spot);	1212	im_set_position (nspot);
936		1213
		1214	if (nspot.x == spot.x && nspot.y == spot.y)
		1215	return;
		1216
		1217	spot = nspot;
		1218
937	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1219	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
938	XSetICValues(R->h->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1220	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
939	XFree(preedit_attr);	1221	XFree (preedit_attr);
940	}	1222	}
941		1223
942	/* EXTPROTO */
943	void	1224	void
944	rxvt_setTermFontSet(pR_ int idx)	1225	rxvt_term::im_destroy ()
945	{	1226	{
946	char *string;	1227	if (input_method)
947	long length;	1228	{
948	int success = 0;	1229	if (Input_Context && input_method->xim)
		1230	XDestroyIC (Input_Context);
949		1231
950	if (idx < 0 || idx >= MAX_NFONTS)	1232	display->put_xim (input_method);
951	return;	1233	input_method = 0;
952	}
953
954	/* INTPROTO */
955	void
956	rxvt_setPreeditArea(pR_ XRectangle *preedit_rect, XRectangle *status_rect, XRectangle *needed_rect)
957	{
958	int mbh, vtx = 0;
959
960	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
961	vtx = scrollbar_TotalWidth();
962	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
963	mbh -= R->TermWin.lineSpace;
964
965	preedit_rect->x = needed_rect->width + vtx;
966	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
967
968	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
969	+ vtx;
970	preedit_rect->height = Height2Pixel(1);
971
972	status_rect->x = vtx;
973	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
974
975	status_rect->width = needed_rect->width ? needed_rect->width
976	: Width2Pixel(R->TermWin.ncol + 1);
977	status_rect->height = Height2Pixel(1);
978	}
979
980	/* ARGSUSED */
981	/* INTPROTO */
982	void
983	rxvt_IMDestroyCallback(XIM xim __attribute__((unused)), XPointer client_data __attribute__((unused)), XPointer call_data __attribute__((unused)))
984	{
985	dR;
986
987	R->h->Input_Context = NULL;
988	/* To avoid Segmentation Fault in C locale: Solaris only? */
989	if (STRCMP(R->h->locale, "C"))
990	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
991	rxvt_IMInstantiateCallback, NULL);
992	}
993
994	/*
995	* X manual pages and include files don't match on some systems:
996	* some think this is an XIDProc and others an XIMProc so we can't
997	* use the first argument - need to update this to be nice for
998	* both types via some sort of configure detection
999	*/
1000	/* ARGSUSED */
1001	/* EXTPROTO */
1002	void
1003	rxvt_IMInstantiateCallback(Display *unused __attribute__((unused)), XPointer client_data __attribute__((unused)), XPointer call_data __attribute__((unused)))
1004	{
1005	dR;
1006	int i, found, had_im;
1007	const char *p;
1008	char **s;
1009	char buf[IMBUFSIZ];
1010
1011	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1012	if (R->h->Input_Context)
1013	return;
1014
1015	found = had_im = 0;
1016	p = R->h->rs[Rs_inputMethod];
1017	if (p && *p) {
1018	had_im = 1;
1019	s = rxvt_splitcommastring(p);
1020	for (i = 0; s[i]; i++) {
1021	if (*s[i]) {
1022	STRCPY(buf, "@im=");
1023	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1024	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1025	&& (rxvt_IM_get_IC(aR) == True)) {
1026	found = 1;
1027	break;
1028	}
1029	}	1234	}
1030	}	1235
1031	for (i = 0; s[i]; i++)	1236	Input_Context = 0;
1032	free(s[i]);	1237	}
1033	free(s);	1238
		1239	#ifdef ENABLE_XIM_ONTHESPOT
		1240
		1241	static void
		1242	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1243	{
		1244	((rxvt_term *)client_data)->make_current ();
		1245	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1246	}
		1247
		1248	static void
		1249	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1250	{
		1251	((rxvt_term *)client_data)->make_current ();
		1252	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1253	}
		1254
		1255	static void
		1256	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1257	{
		1258	rxvt_term *term = (rxvt_term *)client_data;
		1259	XIMText *text = call_data->text;
		1260
		1261	term->make_current ();
		1262
		1263	if (text)
1034	}	1264	{
1035	if (found)	1265	wchar_t *str;
1036	return;
1037		1266
1038	/* try with XMODIFIERS env. var. */	1267	if (!text->encoding_is_wchar && text->string.multi_byte)
1039	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1268	{
1040	rxvt_IM_get_IC(aR);	1269	// of course, X makes it ugly again
1041	return;	1270	if (term->rs[Rs_imLocale])
1042	}	1271	SET_LOCALE (term->rs[Rs_imLocale]);
1043		1272
1044	/* try with no modifiers base IF the user didn't specify an IM */	1273	str = rxvt_temp_buf<wchar_t> (text->length + 1);
1045	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1274	mbstowcs (str, text->string.multi_byte, text->length + 1);
1046	&& rxvt_IM_get_IC(aR) == True)	1275
1047	return;	1276	if (term->rs[Rs_imLocale])
		1277	SET_LOCALE (term->locale);
		1278	}
		1279	else
		1280	str = text->string.wide_char;
		1281
		1282	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1283	DT_INT, call_data->caret,
		1284	DT_INT, call_data->chg_first,
		1285	DT_INT, call_data->chg_length,
		1286	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1287	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1288	DT_END));
		1289	}
		1290	else
		1291	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1292	DT_INT, call_data->caret,
		1293	DT_INT, call_data->chg_first,
		1294	DT_INT, call_data->chg_length,
		1295	DT_END));
1048	}	1296	}
		1297
		1298	#if 0
		1299	static void
		1300	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1301	{
		1302	((rxvt_term *)client_data)->make_current ();
		1303	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1304	DT_INT, call_data->position,
		1305	DT_INT, call_data->direction,
		1306	DT_INT, call_data->style,
		1307	DT_END));
		1308	}
		1309	#endif
		1310
		1311	#endif
1049		1312
1050	/*	1313	/*
1051	* Try to open a XIM with the current modifiers, then see if we can	1314	* Try to open a XIM with the current modifiers, then see if we can
1052	* open a suitable preedit type	1315	* open a suitable preedit type
1053	*/	1316	*/
1054	/* INTPROTO */
1055	Bool	1317	bool
1056	rxvt_IM_get_IC(pR)	1318	rxvt_term::IM_get_IC (const char *modifiers)
1057	{	1319	{
1058	int i, j, found;	1320	int i, j, found;
1059	XIM xim;	1321	XIM xim;
1060	XPoint spot;	1322	XPoint spot;
1061	XRectangle rect, status_rect, needed_rect;	1323	XRectangle rect, status_rect, needed_rect;
1062	unsigned long fg, bg;	1324	unsigned long fg, bg;
1063	const char *p;	1325	const char *p;
1064	char **s;	1326	char **s;
1065	XIMStyles *xim_styles;	1327	XIMStyles *xim_styles;
1066	XVaNestedList preedit_attr, status_attr;	1328	#ifdef ENABLE_XIM_ONTHESPOT
1067	XIMCallback ximcallback;	1329	XIMCallback xcb[4];
1068	struct rxvt_hidden *h = R->h;	1330	#endif
1069		1331
1070	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1332	set_environ (envv);
1071	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1333
1072	if (xim == NULL)	1334	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1073	return False;	1335	return false;
1074		1336
		1337	input_method = display->get_xim (locale, modifiers);
		1338	if (input_method == NULL)
		1339	return false;
		1340
		1341	xim = input_method->xim;
		1342	spot.x = spot.y = -1;
		1343
1075	xim_styles = NULL;	1344	xim_styles = NULL;
1076	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1345	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1077	|| !xim_styles || !xim_styles->count_styles) {	1346	|| !xim_styles || !xim_styles->count_styles)
1078	XCloseIM(xim);
1079	return False;
1080	}	1347	{
		1348	im_destroy ();
		1349	return false;
		1350	}
1081		1351
1082	p = h->rs[Rs_preeditType] ? h->rs[Rs_preeditType]	1352	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1083	: "OverTheSpot,OffTheSpot,Root";	1353
		1354	for (int pi = 0; pi < 2; pi++)
		1355	{
		1356	p = pet[pi];
		1357
		1358	if (!p)
		1359	continue;
		1360
1084	s = rxvt_splitcommastring(p);	1361	s = rxvt_splitcommastring (p);
		1362
1085	for (i = found = 0; !found && s[i]; i++) {	1363	for (i = found = 0; !found && s[i]; i++)
1086	if (!STRCMP(s[i], "OverTheSpot"))	1364	{
		1365	if (!strcmp (s[i], "OverTheSpot"))
1087	h->input_style = (XIMPreeditPosition | XIMStatusNothing);	1366	input_style = XIMPreeditPosition | XIMStatusNothing;
1088	else if (!STRCMP(s[i], "OffTheSpot"))	1367	else if (!strcmp (s[i], "OffTheSpot"))
1089	h->input_style = (XIMPreeditArea | XIMStatusArea);	1368	input_style = XIMPreeditArea | XIMStatusArea;
1090	else if (!STRCMP(s[i], "Root"))	1369	else if (!strcmp (s[i], "Root"))
1091	h->input_style = (XIMPreeditNothing | XIMStatusNothing);	1370	input_style = XIMPreeditNothing | XIMStatusNothing;
		1371	else if (!strcmp (s[i], "None"))
		1372	input_style = XIMPreeditNone | XIMStatusNone;
		1373	#ifdef ENABLE_XIM_ONTHESPOT
		1374	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1375	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1376	#endif
		1377	else
		1378	input_style = XIMPreeditNothing | XIMStatusNothing;
1092		1379
1093	for (j = 0; j < xim_styles->count_styles; j++)	1380	for (j = 0; j < xim_styles->count_styles; j++)
1094	if (h->input_style == xim_styles->supported_styles[j]) {	1381	if (input_style == xim_styles->supported_styles[j])
1095	found = 1;	1382	{
1096	break;	1383	rxvt_freecommastring (s);
		1384
		1385	found = 1;
		1386	goto foundpet;
		1387	}
		1388
		1389	}
		1390
		1391	rxvt_freecommastring (s);
1097	}	1392	}
1098	}	1393
1099	for (i = 0; s[i]; i++)	1394	foundpet:
1100	free(s[i]);	1395
1101	free(s);
1102	XFree(xim_styles);	1396	XFree (xim_styles);
1103		1397
1104	if (!found) {	1398	if (!found)
1105	XCloseIM(xim);
1106	return False;
1107	}	1399	{
		1400	im_destroy ();
		1401	return false;
		1402	}
1108		1403
1109	ximcallback.callback = rxvt_IMDestroyCallback;	1404	XFontSet fs = 0;
1110
1111	/* XXX: not sure why we need this (as well as IC one below) */
1112	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1113
1114	preedit_attr = status_attr = NULL;	1405	XVaNestedList preedit_attr = 0, status_attr = 0;
1115		1406
		1407	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1408	{
		1409	// fake us a font-set, please
		1410	char **missing_charset_list;
		1411	int missing_charset_count;
		1412	char *def_string;
		1413	char pat[512];
		1414
		1415	sprintf (pat,
		1416	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1417	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1418	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1419	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1420	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1421	"*",
		1422	fheight,
		1423	fheight + 1, fheight - 1,
		1424	fheight - 2, fheight + 2);
		1425
		1426	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1427	&missing_charset_list, &missing_charset_count, &def_string);
		1428
		1429	if (missing_charset_list)
		1430	XFreeStringList (missing_charset_list);
		1431
		1432	if (!fs)
		1433	{
		1434	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1435	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1436	}
		1437	}
		1438
1116	if (h->input_style & XIMPreeditPosition) {	1439	if (input_style & XIMPreeditPosition)
1117	rxvt_setSize(aR_ &rect);	1440	{
1118	rxvt_setPosition(aR_ &spot);	1441	im_set_size (rect);
1119	rxvt_setColor(aR_ &fg, &bg);	1442	im_set_position (spot);
		1443	im_set_color (fg, bg);
1120		1444
1121	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1445	preedit_attr = XVaCreateNestedList (0,
1122	XNSpotLocation, &spot,	1446	XNForeground, fg,
1123	XNForeground, fg,	1447	XNBackground, bg,
1124	XNBackground, bg,	1448	XNArea, &rect,
1125	//XNFontSet, R->TermWin.fontset,	1449	XNSpotLocation, &spot,
1126	NULL);	1450	XNFontSet, fs,
1127	} else if (h->input_style & XIMPreeditArea) {
1128	rxvt_setColor(aR_ &fg, &bg);
1129
1130	/*
1131	* The necessary width of preedit area is unknown
1132	* until create input context.
1133	*/
1134	needed_rect.width = 0;
1135
1136	rxvt_setPreeditArea(aR_ &rect, &status_rect, &needed_rect);
1137
1138	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1139	XNForeground, fg,
1140	XNBackground, bg,
1141	//XNFontSet, R->TermWin.fontset,
1142	NULL);
1143	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1144	XNForeground, fg,
1145	XNBackground, bg,
1146	//XNFontSet, R->TermWin.fontset,
1147	NULL);	1451	NULL);
1148	}	1452	}
1149	h->Input_Context = XCreateIC(xim, XNInputStyle, h->input_style,
1150	XNClientWindow, R->TermWin.parent[0],
1151	XNFocusWindow, R->TermWin.parent[0],
1152	XNDestroyCallback, &ximcallback,
1153	preedit_attr ? XNPreeditAttributes : NULL,
1154	preedit_attr,
1155	status_attr ? XNStatusAttributes : NULL,
1156	status_attr, NULL);
1157	if (preedit_attr)
1158	XFree(preedit_attr);
1159	if (status_attr)
1160	XFree(status_attr);
1161	if (h->Input_Context == NULL) {
1162	rxvt_print_error("failed to create input context");
1163	XCloseIM(xim);
1164	return False;
1165	}
1166	if (h->input_style & XIMPreeditArea)	1453	else if (input_style & XIMPreeditArea)
1167	rxvt_IMSetStatusPosition(aR);	1454	{
1168	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1455	im_set_color (fg, bg);
		1456
		1457	/*
		1458	* The necessary width of preedit area is unknown
		1459	* until create input context.
		1460	*/
		1461	needed_rect.width = 0;
		1462	im_set_preedit_area (rect, status_rect, needed_rect);
		1463
		1464	preedit_attr = XVaCreateNestedList (0,
		1465	XNForeground, fg,
		1466	XNBackground, bg,
		1467	XNArea, &rect,
		1468	XNFontSet, fs,
		1469	NULL);
		1470	status_attr = XVaCreateNestedList (0,
		1471	XNForeground, fg,
		1472	XNBackground, bg,
		1473	XNArea, &status_rect,
		1474	XNFontSet, fs,
		1475	NULL);
		1476	}
		1477	#if ENABLE_XIM_ONTHESPOT
		1478	else if (input_style & XIMPreeditCallbacks)
		1479	{
		1480	im_set_position (spot);
		1481
		1482	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1483	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1484	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1485	# if 0
		1486	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1487	# endif
		1488
		1489	preedit_attr = XVaCreateNestedList (0,
		1490	XNSpotLocation, &spot,
		1491	XNPreeditStartCallback, &xcb[0],
		1492	XNPreeditDoneCallback , &xcb[1],
		1493	XNPreeditDrawCallback , &xcb[2],
		1494	# if 0
		1495	XNPreeditCaretCallback, &xcb[3],
		1496	# endif
		1497	NULL);
		1498	}
		1499	#endif
		1500
		1501	Input_Context = XCreateIC (xim,
		1502	XNInputStyle, input_style,
		1503	XNClientWindow, vt,
		1504	XNFocusWindow, parent[0],
		1505	preedit_attr ? XNPreeditAttributes : NULL,
		1506	preedit_attr,
		1507	status_attr ? XNStatusAttributes : NULL,
		1508	status_attr, NULL);
		1509
		1510	if (preedit_attr) XFree (preedit_attr);
		1511	if (status_attr) XFree (status_attr);
		1512	if (fs) XFreeFontSet (dpy, fs);
		1513
		1514	if (Input_Context == NULL)
		1515	{
		1516	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1517	im_destroy ();
		1518	return false;
		1519	}
		1520
		1521	#if 0
		1522	// unfortunately, only the focus window is used by XIM, hard to fix
		1523	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1524	vt_select_input ();
		1525	#endif
		1526
		1527	IMSetPosition ();
		1528
1169	return True;	1529	return true;
1170	}	1530	}
1171		1531
1172	/* EXTPROTO */
1173	void	1532	void
1174	rxvt_IMSetStatusPosition(pR)	1533	rxvt_term::im_cb ()
1175	{	1534	{
		1535	int i;
		1536	const char *p;
		1537	char **s;
		1538	char buf[IMBUFSIZ];
		1539
		1540	make_current ();
		1541
		1542	im_destroy ();
		1543
		1544	if (Input_Context)
		1545	return;
		1546
		1547	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1548	if (rs[Rs_imLocale])
		1549	SET_LOCALE (rs[Rs_imLocale]);
		1550	#endif
		1551
		1552	p = rs[Rs_inputMethod];
		1553	if (p && *p)
		1554	{
		1555	bool found = false;
		1556
		1557	s = rxvt_splitcommastring (p);
		1558
		1559	for (i = 0; s[i]; i++)
		1560	{
		1561	if (*s[i])
		1562	{
		1563	strcpy (buf, "@im=");
		1564	strncat (buf, s[i], IMBUFSIZ - 5);
		1565	if (IM_get_IC (buf))
		1566	{
		1567	found = true;
		1568	break;
		1569	}
		1570	}
		1571	}
		1572
		1573	rxvt_freecommastring (s);
		1574
		1575	if (found)
		1576	goto done;
		1577	}
		1578
		1579	/* try with XMODIFIERS env. var. */
		1580	if (IM_get_IC (""))
		1581	goto done;
		1582
		1583	/* try with no modifiers base IF the user didn't specify an IM */
		1584	if (IM_get_IC ("@im=none"))
		1585	goto done;
		1586
		1587	done:
		1588	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1589	if (rs[Rs_imLocale])
		1590	SET_LOCALE (locale);
		1591	#endif
		1592	}
		1593
		1594	void
		1595	rxvt_term::IMSetPosition ()
		1596	{
1176	XRectangle preedit_rect, status_rect, *needed_rect;	1597	XRectangle preedit_rect, status_rect, *needed_rect;
1177	XVaNestedList preedit_attr, status_attr;	1598	XVaNestedList preedit_attr, status_attr;
1178		1599
1179	if (R->h->Input_Context == NULL	1600	if (!Input_Context
1180	|| !R->TermWin.focus	1601	|| !focus
1181	|| !(R->h->input_style & XIMPreeditArea)	1602	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1182	|| !rxvt_IMisRunning(aR))	1603	|| !IMisRunning ())
1183	return;	1604	return;
1184		1605
		1606	if (input_style & XIMPreeditPosition)
		1607	{
		1608	im_set_size (preedit_rect);
		1609	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1610
		1611	XSetICValues (Input_Context,
		1612	XNPreeditAttributes, preedit_attr, NULL);
		1613	}
		1614	else
		1615	{
1185	/* Getting the necessary width of preedit area */	1616	/* Getting the necessary width of preedit area */
1186	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1617	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1187	XGetICValues(R->h->Input_Context, XNStatusAttributes, status_attr, NULL);	1618	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1188	XFree(status_attr);	1619	XFree (status_attr);
1189		1620
1190	rxvt_setPreeditArea(aR_ &preedit_rect, &status_rect, needed_rect);	1621	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1622	XFree (needed_rect);
1191		1623
1192	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1624	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1193	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1625	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1194		1626
1195	XSetICValues(R->h->Input_Context,	1627	XSetICValues (Input_Context,
1196	XNPreeditAttributes, preedit_attr,	1628	XNPreeditAttributes, preedit_attr,
1197	XNStatusAttributes, status_attr, NULL);	1629	XNStatusAttributes, status_attr,
		1630	NULL);
1198		1631
		1632	XFree (status_attr);
		1633	}
		1634
1199	XFree(preedit_attr);	1635	XFree (preedit_attr);
1200	XFree(status_attr);
1201	}	1636	}
1202	#endif /* USE_XIM */	1637	#endif /* USE_XIM */
1203		1638
1204	/*----------------------------------------------------------------------*/	1639	void
1205	rxvt_t *rxvt_current_term;	1640	rxvt_term::get_window_origin (int &x, int &y)
		1641	{
		1642	Window cr;
		1643	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1644	}
		1645
		1646	Pixmap
		1647	rxvt_term::get_pixmap_property (int prop_id)
		1648	{
		1649	if (prop_id > 0 && prop_id < NUM_XA)
		1650	if (xa[prop_id])
		1651	{
		1652	int aformat;
		1653	unsigned long nitems, bytes_after;
		1654	Atom atype;
		1655	unsigned char *prop = NULL;
		1656	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1657	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1658	&nitems, &bytes_after, &prop);
		1659	if (result == Success && prop && atype == XA_PIXMAP)
		1660	return *(Pixmap *)prop;
		1661	}
		1662
		1663	return None;
		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 */
1206		1695
1207	/*----------------------- end-of-file (C source) -----------------------*/	1696	/*----------------------- end-of-file (C source) -----------------------*/

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