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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.1 by pcg, Mon Nov 24 17:28:08 2003 UTC vs.
Revision 1.344 by root, Fri Jan 7 21:17:08 2011 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.1 2003/11/24 17:28:08 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) 2003-2010 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.
…		…
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	if (cc->c1 == c1 && cc->c2 == c2)
		112	return COMPOSE_LO + (cc - v.begin ());
122		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
		150	return len;
		151
		152	}
		153	#endif
		154
		155	rxvt_term::rxvt_term ()
		156	{
		157	#if HAVE_BG_PIXMAP
		158	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
		159	#endif
		160	#ifdef CURSOR_BLINK
		161	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
		162	#endif
		163	#ifdef TEXT_BLINK
		164	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		165	#endif
		166	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		167	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		168	#endif
		169	#ifdef SELECTION_SCROLLING
		170	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		171	#endif
		172	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		173	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		174	#endif
		175	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		176	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		177	#endif
		178	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		179	#ifdef USE_XIM
		180	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
		181	#endif
		182	#ifdef POINTER_BLANK
		183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
		184	#endif
		185	#ifndef NO_BELL
		186	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		187	#endif
		188	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		189	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		190	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		191	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		192	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
		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;
		215	}
		216
		217	rxvt_term::~rxvt_term ()
		218	{
		219	termlist.erase (find (termlist.begin (), termlist.end(), this));
		220
		221	emergency_cleanup ();
		222
		223	#if ENABLE_STYLES
		224	for (int i = RS_styleCount; --i; )
		225	if (fontset[i] != fontset[0])
		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)
		241	{
		242	selection_clear ();
		243	selection_clear (true);
		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 ())
123	return R;	313	return;
124	}
125		314
126	/* ------------------------------------------------------------------------- *	315	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		316
140	do {	317	#if ENABLE_OVERLAY
141	errno = 0;	318	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	319	#endif
162	rxvt_clean_exit();
163	kill(getpid(), sig);
164	}
165		320
166	/* ARGSUSED */	321	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	}	322	{
177	rxvt_print_error("XError: Request: %d . %d, Error: %d",	323	#if USE_XIM
178	event->request_code, event->minor_code,	324	im_ev.stop (display);
179	event->error_code);	325	#endif
180	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	326	scrollbar_ev.stop (display);
181	exit(EXIT_FAILURE);	327	#if ENABLE_TRANSPARENCY || ENABLE_PERL
182	/* NOTREACHED */	328	rootwin_ev.stop (display);
		329	#endif
		330	incr_ev.stop ();
		331	termwin_ev.stop (display);
		332	vt_ev.stop (display);
		333	}
		334
		335	flush_ev.stop ();
		336	pty_ev.stop ();
		337	#ifdef CURSOR_BLINK
		338	cursor_blink_ev.stop ();
		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);
183	}	374	}
184		375
185	/*----------------------------------------------------------------------*/	376	/*----------------------------------------------------------------------*/
186	/*	377	/*
187	* Exit gracefully, clearing the utmp entry and restoring tty attributes	378	* Exit gracefully, clearing the utmp entry and restoring tty attributes
188	* 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
189	*/	380	*/
190	/* EXTPROTO */	381	static XErrorHandler old_xerror_handler;
191	void
192	rxvt_clean_exit(void)
193	{
194	dR;
195		382
196	#ifdef DEBUG_SCREEN	383	static void
197	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	}
198	#endif	437	#endif
199	#ifndef NO_SETOWNER_TTYDEV	438
200	rxvt_privileged_ttydev(aR_ RESTORE);	439	int
201	#endif	440	rxvt_xerror_handler (Display *display, XErrorEvent *event)
202	#ifdef UTMP_SUPPORT	441	{
203	rxvt_privileged_utmp(aR_ RESTORE);	442	if (GET_R->allowedxerror == -1)
204	#endif	443	GET_R->allowedxerror = event->error_code;
205	#ifdef USE_XIM	444	else
206	if (R->h->Input_Context != NULL) {
207	XDestroyIC(R->h->Input_Context);
208	R->h->Input_Context = NULL;
209	}	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);
210	#endif	452	#endif
211	}	453	}
212		454
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;	455	return 0;
		456	}
225		457
226	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	458	int
227	rxvt_clean_exit();	459	rxvt_xioerror_handler (Display *display)
		460	{
		461	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		462	DisplayString (display));
		463	rxvt_emergency_cleanup ();
228	exit(EXIT_FAILURE);	464	_exit (EXIT_FAILURE);
229	/* NOTREACHED */
230	}	465	}
231		466
232	/* EXTPROTO */	467	static struct sig_handlers
233	void *
234	rxvt_calloc(size_t number, size_t size)
235	{	468	{
236	void *p;	469	ev::sig sw_term, sw_int;
237		470
238	p = calloc(number, size);	471	/*
239	if (p)	472	* Catch a fatal signal and tidy up before quitting
240	return p;	473	*/
		474	void sig_term (ev::sig &w, int revents);
241		475
242	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	476	sig_handlers ()
243	rxvt_clean_exit();	477	{
244	exit(EXIT_FAILURE);	478	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
245	/* NOTREACHED */	479	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
246	}	480	}
		481	} sig_handlers;
247		482
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	483	void
272	rxvt_privileges(pR_ int mode)	484	sig_handlers::sig_term (ev::sig &w, int revents)
273	{	485	{
274	#if ! defined(__CYGWIN32__)	486	rxvt_emergency_cleanup ();
275	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	487	w.stop ();
276	/* setreuid() is the poor man's setuid(), seteuid() */	488	kill (getpid (), w.signum);
277	# define seteuid(a) setreuid(-1, (a))	489	}
278	# define setegid(a) setregid(-1, (a))	490
279	# 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;
280	# endif	513	# endif
281	# ifdef HAVE_SETEUID	514	# ifdef VREPRINT
282	switch (mode) {	515	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	516	# endif
312	#endif	517	# ifdef VDISCRD
313	}	518	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	519	# endif
366	{	520	# ifdef VWERSE
367	chown(h->ttydev, getuid(), h->ttygid); /* fail silently */	521	tio->c_cc[VWERSE] = CWERASE;
368	chmod(h->ttydev, h->ttymode);
369	# ifdef HAVE_REVOKE
370	revoke(h->ttydev);
371	# endif	522	# endif
372	}	523	# ifdef VLNEXT
373	} else { /* action == RESTORE */	524	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	525	# endif
383	}	526	# ifdef VSTATUS
384		527	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	528	# endif
390	}	529
		530	# if VMIN != VEOF
		531	tio->c_cc[VMIN] = 1;
391	#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	}
392		589
393	/*----------------------------------------------------------------------*/	590	/*----------------------------------------------------------------------*/
394	/*	591	/*
395	* window size/position calculcations for XSizeHint and other storage.	592	* window size/position calculations for XSizeHint and other storage.
396	* if width/height are non-zero then override calculated width/height	593	* if width/height are non-zero then override calculated width/height
397	*/	594	*/
398	/* EXTPROTO */
399	void	595	void
400	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	596	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
401	{	597	{
402	short recalc_x, recalc_y;	598	short recalc_x, recalc_y;
403	int x, y, sb_w, mb_h, flags;	599	int x, y, flags;
404	unsigned int w, h;	600	unsigned int w, h;
405	unsigned int max_width, max_height;	601	unsigned int max_width, max_height;
406		602
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;	603	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
409	R->szHint.win_gravity = NorthWestGravity;	604	szHint.win_gravity = NorthWestGravity;
410	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	605	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
411		606
412	recalc_x = recalc_y = 0;	607	recalc_x = recalc_y = 0;
413	flags = 0;	608	flags = 0;
		609
414	if (!R->h->parsed_geometry) {	610	if (!parsed_geometry)
		611	{
415	R->h->parsed_geometry = 1;	612	parsed_geometry = 1;
		613
416	if (R->h->rs[Rs_geometry])	614	if (rs[Rs_geometry])
417	flags = XParseGeometry(R->h->rs[Rs_geometry], &x, &y, &w, &h);	615	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		616
418	if (flags & WidthValue) {	617	if (flags & WidthValue)
419	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	618	{
420	R->szHint.flags |= USSize;	619	if (!w)
421	}	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 ());
		623	szHint.flags |= USSize;
		624	}
		625
422	if (flags & HeightValue) {	626	if (flags & HeightValue)
423	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	627	{
424	R->szHint.flags |= USSize;	628	if (!h)
425	}	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 ());
		632	szHint.flags |= USSize;
		633	}
		634
426	if (flags & XValue) {	635	if (flags & XValue)
427	R->szHint.x = x;	636	{
		637	szHint.x = x;
428	R->szHint.flags |= USPosition;	638	szHint.flags |= USPosition;
		639
429	if (flags & XNegative) {	640	if (flags & XNegative)
430	recalc_x = 1;	641	{
		642	recalc_x = 1;
431	R->szHint.win_gravity = NorthEastGravity;	643	szHint.win_gravity = NorthEastGravity;
		644	}
		645	}
		646
		647	if (flags & YValue)
		648	{
		649	szHint.y = y;
		650	szHint.flags |= USPosition;
		651
		652	if (flags & YNegative)
		653	{
		654	recalc_y = 1;
		655
		656	if (szHint.win_gravity == NorthEastGravity)
		657	szHint.win_gravity = SouthEastGravity;
		658	else
		659	szHint.win_gravity = SouthWestGravity;
		660	}
		661	}
432	}	662	}
433	}	663
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 */	664	/* TODO: BOUNDS */
447	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	665	width = ncol * fwidth;
448	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	666	height = nrow * fheight;
449	max_width = MAX_COLS * R->TermWin.fwidth;	667	max_width = MAX_COLS * fwidth;
450	max_height = MAX_ROWS * R->TermWin.fheight;	668	max_height = MAX_ROWS * fheight;
451		669
452	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	670	szHint.base_width = szHint.base_height = 2 * int_bwidth;
453		671
454	sb_w = mb_h = 0;	672	window_vt_x = window_vt_y = int_bwidth;
455	R->h->window_vt_x = R->h->window_vt_y = 0;	673
456	if (scrollbar_visible(R)) {	674	if (scrollBar.state)
457	sb_w = scrollbar_TotalWidth();	675	{
		676	int sb_w = scrollBar.total_width ();
458	R->szHint.base_width += sb_w;	677	szHint.base_width += sb_w;
		678
459	if (!(R->Options & Opt_scrollBar_right))	679	if (!option (Opt_scrollBar_right))
460	R->h->window_vt_x = sb_w;	680	window_vt_x += sb_w;
461	}	681	}
462	if (menubar_visible(R)) {	682
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;	683	szHint.width_inc = fwidth;
468	R->szHint.height_inc = R->TermWin.fheight;	684	szHint.height_inc = fheight;
469	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	685	szHint.min_width = szHint.base_width + szHint.width_inc;
470	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	686	szHint.min_height = szHint.base_height + szHint.height_inc;
471		687
472	if (width && width - R->szHint.base_width < max_width) {	688	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	}	689	{
		690	szHint.width = newwidth;
		691	width = newwidth - szHint.base_width;
		692	}
		693	else
		694	{
		695	min_it (width, max_width);
		696	szHint.width = szHint.base_width + width;
		697	}
		698
479	if (height && height - R->szHint.base_height < max_height) {	699	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	}	700	{
486	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	701	szHint.height = newheight;
487	R->h->window_sb_x = R->szHint.width - sb_w;	702	height = newheight - szHint.base_height;
		703	}
		704	else
		705	{
		706	min_it (height, max_height);
		707	szHint.height = szHint.base_height + height;
		708	}
488		709
489	if (recalc_x)	710	if (recalc_x)
490	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	711	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
491	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	712
492	if (recalc_y)	713	if (recalc_y)
493	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	714	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
494	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
495		715
496	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	716	ncol = width / fwidth;
497	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	717	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	}	718	}
501		719
502	/*----------------------------------------------------------------------*/	720	/*----------------------------------------------------------------------*/
503	/*	721	/*
504	* Tell the teletype handler what size the window is.	722	* Tell the teletype handler what size the window is.
505	* Called after a window size change.	723	* Called after a window size change.
506	*/	724	*/
507	/* EXTPROTO */
508	void	725	void
509	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	726	rxvt_term::tt_winch ()
510	{	727	{
		728	if (pty->pty < 0)
		729	return;
		730
511	struct winsize ws;	731	struct winsize ws;
512		732
513	if (fd < 0)
514	return;
515	ws.ws_col = col;	733	ws.ws_col = ncol;
516	ws.ws_row = row;	734	ws.ws_row = nrow;
517	ws.ws_xpixel = ws.ws_ypixel = 0;	735	ws.ws_xpixel = width;
518	#ifndef DEBUG_SIZE	736	ws.ws_ypixel = height;
519	(void)ioctl(fd, TIOCSWINSZ, &ws);	737	ioctl (pty->pty, TIOCSWINSZ, &ws);
520	#else	738
521	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	739	#if 0
522	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	740	// TIOCSWINSZ is supposed to do this automatically and correctly
523	}
524	# ifdef SIGWINCH
525	else if (pid) /* force through to the command */	741	if (cmd_pid) /* force through to the command */
526	kill(pid, SIGWINCH);	742	kill (-cmd_pid, SIGWINCH);
527	# endif
528	#endif	743	#endif
529	}	744	}
530		745
531	/*----------------------------------------------------------------------*/	746	/*----------------------------------------------------------------------*/
532	/* rxvt_change_font() - Switch to a new font */	747	/* set_fonts () - load and set the various fonts
533	/*	748	*
534	* init = 1 - initialize	749	* init = 1 - initialize
535	*	750	*
536	* fontname == FONT_UP - switch to bigger font	751	* fontname == FONT_UP - switch to bigger font
537	* fontname == FONT_DN - switch to smaller font	752	* fontname == FONT_DN - switch to smaller font
538	*/	753	*/
539	/* EXTPROTO */	754	bool
540	void	755	rxvt_term::set_fonts ()
541	rxvt_change_font(pR_ int init, const char *fontname)
542	{	756	{
543	}	757	rxvt_fontset *fs = new rxvt_fontset (this);
		758	rxvt_fontprop prop;
544		759
545	/* 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
546	void	830	void
547	rxvt_font_up_down(pR_ int n, int direction)	831	rxvt_term::set_string_property (Atom prop, const char *str, int len)
548	{	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);
549	}	862	}
550		863
551	/*----------------------------------------------------------------------*/	864	/*----------------------------------------------------------------------*/
552	/*----------------------------------------------------------------------*/	865	/*----------------------------------------------------------------------*/
553	/* xterm sequences - title, iconName, color (exptl) */	866	/* xterm sequences - title, iconName, color (exptl) */
554	/* EXTPROTO */
555	void	867	void
556	rxvt_set_title(pR_ const char *str)	868	rxvt_term::set_title (const char *str)
557	{	869	{
558	#ifndef SMART_WINDOW_TITLE	870	set_mbstring_property (XA_WM_NAME, str);
559	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	871	#if ENABLE_EWMH
560	#else	872	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	873	#endif
570	}	874	}
571		875
572	/* EXTPROTO */
573	void	876	void
574	rxvt_set_iconName(pR_ const char *str)	877	rxvt_term::set_icon_name (const char *str)
575	{	878	{
576	#ifndef SMART_WINDOW_TITLE	879	set_mbstring_property (XA_WM_ICON_NAME, str);
577	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	880	#if ENABLE_EWMH
578	#else	881	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	882	#endif
588	}	883	}
589		884
		885	void
		886	rxvt_term::set_window_color (int idx, const char *color)
		887	{
590	#ifdef XTERM_COLOR_CHANGE	888	#ifdef XTERM_COLOR_CHANGE
591	/* EXTPROTO */
592	void
593	rxvt_set_window_color(pR_ int idx, const char *color)
594	{
595	rxvt_color xcol;	889	rxvt_color xcol;
596	int i;
597		890
598	if (color == NULL || *color == '\0')	891	if (color == NULL || *color == '\0')
599	return;	892	return;
600		893
		894	color = strdup (color);
		895	allocated.push_back ((void *)color);
		896	rs[Rs_color + idx] = color;
		897
601	/* handle color aliases */	898	/* handle color aliases */
602	if (isdigit(*color)) {	899	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	}	900	{
618	if (!rxvt_rXParseAllocColor(aR_ &xcol, color))	901	int i = atoi (color);
619	return;
620	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
621		902
622	/*	903	if (i >= 8 && i <= 15)
		904	{
		905	/* bright colors */
		906	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
		907	goto done;
		908	}
		909
		910	if (i >= 0 && i <= 7)
		911	{
		912	/* normal colors */
		913	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		914	goto done;
		915	}
		916	}
		917
		918	set_color (xcol, color);
		919
		920	/*
623	* 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,
624	* so just keep gobbling up the colormap	922	* so just keep gobbling up the colormap
625	*/	923	*/
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		924
637	R->PixColors[idx] = xcol;	925	pix_colors_focused[idx] = xcol;
638	SET_PIXCOLOR(R->h, idx);
639		926
640	/* XSetWindowAttributes attr; */	927	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. */	928	/*TODO: handle Color_BD, scrollbar background, etc. */
648		929
649	rxvt_set_colorfgbg(aR);	930	update_fade_color (idx);
650	rxvt_recolour_cursor(aR);	931	recolour_cursor ();
651	/* the only reasonable way to enforce a clean update */	932	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 */	933	#endif /* XTERM_COLOR_CHANGE */
		934	}
658		935
659	/* EXTPROTO */
660	void	936	void
661	rxvt_recolour_cursor(pR)	937	rxvt_term::recolour_cursor ()
662	{	938	{
663	rxvt_color xcol[2];	939	XColor fg, bg;
664		940
665	#if TODO	941	(ISSET_PIXCOLOR (Color_pointer_fg)
666	xcol[0] = R->PixColors[Color_pointer];	942	? pix_colors_focused[Color_pointer_fg]
667	xcol[1] = R->PixColors[Color_bg];	943	: pix_colors_focused[Color_fg]).get (fg);
668	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	944
669	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	945	(ISSET_PIXCOLOR (Color_pointer_bg)
670	#endif	946	? pix_colors_focused[Color_pointer_bg]
		947	: pix_colors_focused[Color_bg]).get (bg);
		948
		949	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
671	}	950	}
672		951
673	/*----------------------------------------------------------------------*/	952	/*----------------------------------------------------------------------*/
674	/*	953	/*
675	* 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
676	*/	955	*/
677	/* INTPROTO */
678	void	956	void
679	rxvt_set_colorfgbg(pR)	957	rxvt_term::set_colorfgbg ()
680	{	958	{
681	unsigned int i;	959	unsigned int i;
682	const char *xpmb = "\0";	960	const char *xpmb = "";
683	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	961	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
684		962
685	R->h->env_colorfgbg = (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	963	strcpy (fstr, "default");
686	STRCPY(fstr, "default");	964	strcpy (bstr, "default");
687	STRCPY(bstr, "default");
688	for (i = Color_Black; i <= Color_White; i++)	965	for (i = Color_Black; i <= Color_White; i++)
689	if (R->PixColors[Color_fg] == R->PixColors[i]) {	966	if (pix_colors[Color_fg] == pix_colors[i])
		967	{
690	sprintf(fstr, "%d", (i - Color_Black));	968	sprintf (fstr, "%d", (i - Color_Black));
691	break;	969	break;
692	}	970	}
		971
693	for (i = Color_Black; i <= Color_White; i++)	972	for (i = Color_Black; i <= Color_White; i++)
694	if (R->PixColors[Color_bg] == R->PixColors[i]) {	973	if (pix_colors[Color_bg] == pix_colors[i])
		974	{
695	sprintf(bstr, "%d", (i - Color_Black));	975	sprintf (bstr, "%d", (i - Color_Black));
696	#ifdef XPM_BACKGROUND	976	#ifdef BG_IMAGE_FROM_FILE
697	xpmb = "default;";	977	xpmb = "default;";
698	#endif	978	#endif
699	break;	979	break;
700	}	980	}
		981
701	sprintf(R->h->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	982	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	}	983	}
714		984
715	/*----------------------------------------------------------------------*/	985	/*----------------------------------------------------------------------*/
716	/*
717	* Colour determination for low colour displays, routine from
718	* Hans de Goede <hans@highrise.nl>
719	*/
720		986
721	/* EXTPROTO */	987	bool
722	int	988	rxvt_term::set_color (rxvt_color &color, const char *name)
723	rxvt_rXParseAllocColor(pR_ rxvt_color *screen_in_out, const char *colour)
724	{	989	{
725	screen_in_out->set (aR_ colour);	990	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;	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]);
734	}	1001	}
735		1002
736	/* -------------------------------------------------------------------- *	1003	/* -------------------------------------------------------------------- *
737	* - WINDOW RESIZING - *	1004	* - WINDOW RESIZING - *
738	* -------------------------------------------------------------------- */	1005	* -------------------------------------------------------------------- */
739	/* EXTPROTO */
740	void	1006	void
741	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, int ignoreparent)	1007	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
742	{	1008	{
743	int fix_screen;	1009	int fix_screen;
		1010	int old_width = szHint.width;
		1011	int old_height = szHint.height;
		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	{
744	#ifdef SMART_RESIZE	1027	#ifdef SMART_RESIZE
745	int old_width = R->szHint.width,	1028	/*
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>	1029	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
755	* reposition window on resize depending on placement on screen	1030	* reposition window on resize depending on placement on screen
756	*/	1031	*/
757	int x, y, x1, y1;	1032	int x, y, x1, y1;
758	int dx, dy;	1033	int dx, dy;
759	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1034	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
760	Window unused_cr;	1035	Window unused_cr;
761		1036
762	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1037	XTranslateCoordinates (dpy, parent[0], display->root,
763	0, 0, &x, &y, &unused_cr);	1038	0, 0, &x, &y, &unused_cr);
764	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1039	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
765	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1040	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
766	/*	1041	/*
767	* 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
768	* our position for handles and decorations. Counter it	1043	* our position for handles and decorations. Counter it
769	*/	1044	*/
770	if (x1 != x || y1 != y) {	1045	if (x1 != x || y1 != y)
		1046	{
771	x -= x1;	1047	x -= x1;
772	y -= y1;	1048	y -= y1;
773	}	1049	}
774		1050
775	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1051	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
776	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1052	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
777	dx = old_width - R->szHint.width;	1053	dx = old_width - szHint.width;
778	dy = old_height - R->szHint.height;	1054	dy = old_height - szHint.height;
779		1055
780	/* Check position of the center of the window */	1056	/* Check position of the center of the window */
781	if (x < x1) /* left half */	1057	if (x < x1) /* left half */
782	dx = 0;	1058	dx = 0;
783	else if (x == x1) /* exact center */	1059	else if (x == x1) /* exact center */
784	dx /= 2;	1060	dx /= 2;
785	if (y < y1) /* top half */	1061	if (y < y1) /* top half */
786	dy = 0;	1062	dy = 0;
787	else if (y == y1) /* exact center */	1063	else if (y == y1) /* exact center */
788	dy /= 2;	1064	dy /= 2;
789		1065
790	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1066	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
791	R->szHint.width, R->szHint.height);	1067	szHint.width, szHint.height);
792	#else	1068	#else
793	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1069	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
794	R->szHint.height);
795	#endif	1070	#endif
796	}	1071	}
797		1072
798	fix_screen = (R->TermWin.ncol != R->h->prev_ncol	1073	if (set_hint)
799	|| R->TermWin.nrow != R->h->prev_nrow);	1074	XSetWMNormalHints (dpy, parent[0], &szHint);
		1075
		1076	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1077
800	if (fix_screen || width != R->h->old_width || height != R->h->old_height) {	1078	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	}	1079	{
		1080	if (scrollBar.state)
		1081	scrollBar.resize ();
822		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
823	if (fix_screen || R->h->old_height == 0) {	1093	if (fix_screen || old_height == 0)
824	int curr_screen = -1;	1094	scr_reset ();
825	uint16_t old_ncol = R->h->prev_ncol;
826		1095
827	/* scr_reset only works on the primary screen */	1096	#ifdef HAVE_BG_PIXMAP
828	if (R->h->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 ?
829	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1098	// if (bgPixmap.pixmap)
830	rxvt_scr_reset(aR);	1099	// scr_touch (false);
831	if (curr_screen >= 0) { /* this is not the first time through */	1100	#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		1101
840	#ifdef USE_XIM	1102	#ifdef USE_XIM
841	rxvt_IMSetStatusPosition(aR);	1103	IMSetPosition ();
842	#endif	1104	#endif
843	}	1105	}
844		1106
845	/*	1107	/*
846	* 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.
847	* good for toggling 80/132 columns	1109	* good for toggling 80/132 columns
848	*/	1110	*/
849	/* EXTPROTO */
850	void	1111	void
851	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1112	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
852	{	1113	{
853	XWindowAttributes wattr;	1114	XWindowAttributes wattr;
854		1115
855	if (width == 0 || height == 0) {	1116	if (newwidth == 0 || newheight == 0)
		1117	{
856	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1118	XGetWindowAttributes (dpy, display->root, &wattr);
		1119
857	if (width == 0)	1120	if (newwidth == 0)
858	width = wattr.width - R->szHint.base_width;	1121	newwidth = wattr.width - szHint.base_width;
859	if (height == 0)	1122	if (newheight == 0)
860	height = wattr.height - R->szHint.base_height;	1123	newheight = wattr.height - szHint.base_height;
		1124	}
		1125
		1126	if (newwidth != width || newheight != height)
861	}	1127	{
862	if (width != R->TermWin.width || height != R->TermWin.height) {
863	width += R->szHint.base_width;	1128	newwidth += szHint.base_width;
864	height += R->szHint.base_height;	1129	newheight += szHint.base_height;
865	rxvt_resize_all_windows(aR_ width, height, 0);	1130	resize_all_windows (newwidth, newheight, 0);
866	}	1131	}
867	}	1132	}
868		1133
869	/* -------------------------------------------------------------------- *	1134	/* -------------------------------------------------------------------- *
870	* - X INPUT METHOD ROUTINES - *	1135	* - X INPUT METHOD ROUTINES - *
871	* -------------------------------------------------------------------- */	1136	* -------------------------------------------------------------------- */
872	#ifdef USE_XIM	1137	#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		1138
883	/* INTPROTO */
884	void	1139	void
885	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1140	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
886	{	1141	{
887	*fg = R->PixColors[Color_fg];	1142	fg = pix_colors [Color_fg];
888	*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;
889	}	1170	}
890		1171
891	/* Checking whether input method is running. */	1172	/* Checking whether input method is running. */
892	/* INTPROTO */
893	Bool	1173	bool
894	rxvt_IMisRunning(pR)	1174	rxvt_term::IMisRunning ()
895	{	1175	{
896	char *p;	1176	Atom atom;
897	Atom atom;	1177	Window win;
898	Window win;
899	char server[IMBUFSIZ];	1178	char server[IMBUFSIZ];
900		1179
901	/* get current locale modifier */	1180	/* get current locale modifier */
902	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1181	if (char *p = XSetLocaleModifiers (0))
903	STRCPY(server, "@server=");	1182	{
904	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1183	strcpy (server, "@server=");
905	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1184	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1185
		1186	if (p = strchr (server + 1, '@')) /* first one only */
906	*p = '\0';	1187	*p = '\0';
907		1188
908	atom = XInternAtom(R->Xdisplay, server, False);	1189	atom = XInternAtom (dpy, server, False);
909	win = XGetSelectionOwner(R->Xdisplay, atom);	1190	win = XGetSelectionOwner (dpy, atom);
		1191
910	if (win != None)	1192	if (win != None)
911	return True;	1193	return True;
912	}	1194	}
		1195
913	return False;	1196	return False;
914	}	1197	}
915		1198
916	/* EXTPROTO */
917	void	1199	void
918	rxvt_IMSendSpot(pR)	1200	rxvt_term::IMSendSpot ()
919	{	1201	{
920	XPoint spot;	1202	XPoint nspot;
921	XVaNestedList preedit_attr;	1203	XVaNestedList preedit_attr;
922		1204
923	if (R->h->Input_Context == NULL	1205	if (!Input_Context
924	|| !R->TermWin.focus	1206	|| !focus
925	|| !(R->h->input_style & XIMPreeditPosition)	1207	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
926	|| !(R->h->event_type == KeyPress	1208	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		1209
935	rxvt_setPosition(aR_ &spot);	1210	im_set_position (nspot);
936		1211
		1212	if (nspot.x == spot.x && nspot.y == spot.y)
		1213	return;
		1214
		1215	spot = nspot;
		1216
937	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1217	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
938	XSetICValues(R->h->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1218	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
939	XFree(preedit_attr);	1219	XFree (preedit_attr);
940	}	1220	}
941		1221
942	/* EXTPROTO */
943	void	1222	void
944	rxvt_setTermFontSet(pR_ int idx)	1223	rxvt_term::im_destroy ()
945	{	1224	{
946	char *string;	1225	if (input_method)
947	long length;	1226	{
948	int success = 0;	1227	if (Input_Context && input_method->xim)
		1228	XDestroyIC (Input_Context);
949		1229
950	if (idx < 0 || idx >= MAX_NFONTS)	1230	display->put_xim (input_method);
951	return;	1231	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	}	1232	}
1030	}	1233
1031	for (i = 0; s[i]; i++)	1234	Input_Context = 0;
1032	free(s[i]);	1235	}
1033	free(s);	1236
		1237	#ifdef ENABLE_XIM_ONTHESPOT
		1238
		1239	static void
		1240	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1241	{
		1242	((rxvt_term *)client_data)->make_current ();
		1243	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1244	}
		1245
		1246	static void
		1247	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1248	{
		1249	((rxvt_term *)client_data)->make_current ();
		1250	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1251	}
		1252
		1253	static void
		1254	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1255	{
		1256	rxvt_term *term = (rxvt_term *)client_data;
		1257	XIMText *text = call_data->text;
		1258
		1259	term->make_current ();
		1260
		1261	if (text)
1034	}	1262	{
1035	if (found)	1263	wchar_t *str;
1036	return;
1037		1264
1038	/* try with XMODIFIERS env. var. */	1265	if (!text->encoding_is_wchar && text->string.multi_byte)
1039	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1266	{
1040	rxvt_IM_get_IC(aR);	1267	// of course, X makes it ugly again
1041	return;	1268	if (term->rs[Rs_imLocale])
1042	}	1269	SET_LOCALE (term->rs[Rs_imLocale]);
1043		1270
1044	/* try with no modifiers base IF the user didn't specify an IM */	1271	str = rxvt_temp_buf<wchar_t> (text->length + 1);
1045	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p	1272	mbstowcs (str, text->string.multi_byte, text->length + 1);
1046	&& rxvt_IM_get_IC(aR) == True)	1273
1047	return;	1274	if (term->rs[Rs_imLocale])
		1275	SET_LOCALE (term->locale);
		1276	}
		1277	else
		1278	str = text->string.wide_char;
		1279
		1280	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1281	DT_INT, call_data->caret,
		1282	DT_INT, call_data->chg_first,
		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));
		1287	}
		1288	else
		1289	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1290	DT_INT, call_data->caret,
		1291	DT_INT, call_data->chg_first,
		1292	DT_INT, call_data->chg_length,
		1293	DT_END));
1048	}	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
1049		1310
1050	/*	1311	/*
1051	* 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
1052	* open a suitable preedit type	1313	* open a suitable preedit type
1053	*/	1314	*/
1054	/* INTPROTO */
1055	Bool	1315	bool
1056	rxvt_IM_get_IC(pR)	1316	rxvt_term::IM_get_IC (const char *modifiers)
1057	{	1317	{
1058	int i, j, found;	1318	int i, j, found;
1059	XIM xim;	1319	XIM xim;
1060	XPoint spot;	1320	XPoint spot;
1061	XRectangle rect, status_rect, needed_rect;	1321	XRectangle rect, status_rect, needed_rect;
1062	unsigned long fg, bg;	1322	unsigned long fg, bg;
1063	const char *p;	1323	const char *p;
1064	char **s;	1324	char **s;
1065	XIMStyles *xim_styles;	1325	XIMStyles *xim_styles;
1066	XVaNestedList preedit_attr, status_attr;	1326	#ifdef ENABLE_XIM_ONTHESPOT
1067	XIMCallback ximcallback;	1327	XIMCallback xcb[4];
1068	struct rxvt_hidden *h = R->h;	1328	#endif
1069		1329
1070	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1330	set_environ (envv);
1071	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1331
1072	if (xim == NULL)	1332	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1073	return False;	1333	return false;
1074		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
1075	xim_styles = NULL;	1342	xim_styles = NULL;
1076	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1343	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1077	|| !xim_styles || !xim_styles->count_styles) {	1344	|| !xim_styles || !xim_styles->count_styles)
1078	XCloseIM(xim);
1079	return False;
1080	}	1345	{
		1346	im_destroy ();
		1347	return false;
		1348	}
1081		1349
1082	p = h->rs[Rs_preeditType] ? h->rs[Rs_preeditType]	1350	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1083	: "OverTheSpot,OffTheSpot,Root";	1351
		1352	for (int pi = 0; pi < 2; pi++)
		1353	{
		1354	p = pet[pi];
		1355
		1356	if (!p)
		1357	continue;
		1358
1084	s = rxvt_splitcommastring(p);	1359	s = rxvt_splitcommastring (p);
		1360
1085	for (i = found = 0; !found && s[i]; i++) {	1361	for (i = found = 0; !found && s[i]; i++)
1086	if (!STRCMP(s[i], "OverTheSpot"))	1362	{
		1363	if (!strcmp (s[i], "OverTheSpot"))
1087	h->input_style = (XIMPreeditPosition | XIMStatusNothing);	1364	input_style = XIMPreeditPosition | XIMStatusNothing;
1088	else if (!STRCMP(s[i], "OffTheSpot"))	1365	else if (!strcmp (s[i], "OffTheSpot"))
1089	h->input_style = (XIMPreeditArea | XIMStatusArea);	1366	input_style = XIMPreeditArea | XIMStatusArea;
1090	else if (!STRCMP(s[i], "Root"))	1367	else if (!strcmp (s[i], "Root"))
1091	h->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;
1092		1377
1093	for (j = 0; j < xim_styles->count_styles; j++)	1378	for (j = 0; j < xim_styles->count_styles; j++)
1094	if (h->input_style == xim_styles->supported_styles[j]) {	1379	if (input_style == xim_styles->supported_styles[j])
1095	found = 1;	1380	{
1096	break;	1381	rxvt_freecommastring (s);
		1382
		1383	found = 1;
		1384	goto foundpet;
		1385	}
		1386
		1387	}
		1388
		1389	rxvt_freecommastring (s);
1097	}	1390	}
1098	}	1391
1099	for (i = 0; s[i]; i++)	1392	foundpet:
1100	free(s[i]);	1393
1101	free(s);
1102	XFree(xim_styles);	1394	XFree (xim_styles);
1103		1395
1104	if (!found) {	1396	if (!found)
1105	XCloseIM(xim);
1106	return False;
1107	}	1397	{
		1398	im_destroy ();
		1399	return false;
		1400	}
1108		1401
1109	ximcallback.callback = rxvt_IMDestroyCallback;	1402	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;	1403	XVaNestedList preedit_attr = 0, status_attr = 0;
1115		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
1116	if (h->input_style & XIMPreeditPosition) {	1437	if (input_style & XIMPreeditPosition)
1117	rxvt_setSize(aR_ &rect);	1438	{
1118	rxvt_setPosition(aR_ &spot);	1439	im_set_size (rect);
1119	rxvt_setColor(aR_ &fg, &bg);	1440	im_set_position (spot);
		1441	im_set_color (fg, bg);
1120		1442
1121	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1443	preedit_attr = XVaCreateNestedList (0,
1122	XNSpotLocation, &spot,	1444	XNForeground, fg,
1123	XNForeground, fg,	1445	XNBackground, bg,
1124	XNBackground, bg,	1446	XNArea, &rect,
1125	//XNFontSet, R->TermWin.fontset,	1447	XNSpotLocation, &spot,
1126	NULL);	1448	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);	1449	NULL);
1148	}	1450	}
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)	1451	else if (input_style & XIMPreeditArea)
1167	rxvt_IMSetStatusPosition(aR);	1452	{
1168	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	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
1169	return True;	1527	return true;
1170	}	1528	}
1171		1529
1172	/* EXTPROTO */
1173	void	1530	void
1174	rxvt_IMSetStatusPosition(pR)	1531	rxvt_term::im_cb ()
1175	{	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;
		1566	break;
		1567	}
		1568	}
		1569	}
		1570
		1571	rxvt_freecommastring (s);
		1572
		1573	if (found)
		1574	goto done;
		1575	}
		1576
		1577	/* try with XMODIFIERS env. var. */
		1578	if (IM_get_IC (""))
		1579	goto done;
		1580
		1581	/* try with no modifiers base IF the user didn't specify an IM */
		1582	if (IM_get_IC ("@im=none"))
		1583	goto done;
		1584
		1585	done:
		1586	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1587	if (rs[Rs_imLocale])
		1588	SET_LOCALE (locale);
		1589	#endif
		1590	}
		1591
		1592	void
		1593	rxvt_term::IMSetPosition ()
		1594	{
1176	XRectangle preedit_rect, status_rect, *needed_rect;	1595	XRectangle preedit_rect, status_rect, *needed_rect;
1177	XVaNestedList preedit_attr, status_attr;	1596	XVaNestedList preedit_attr, status_attr;
1178		1597
1179	if (R->h->Input_Context == NULL	1598	if (!Input_Context
1180	|| !R->TermWin.focus	1599	|| !focus
1181	|| !(R->h->input_style & XIMPreeditArea)	1600	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1182	|| !rxvt_IMisRunning(aR))	1601	|| !IMisRunning ())
1183	return;	1602	return;
1184		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	{
1185	/* Getting the necessary width of preedit area */	1614	/* Getting the necessary width of preedit area */
1186	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1615	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1187	XGetICValues(R->h->Input_Context, XNStatusAttributes, status_attr, NULL);	1616	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1188	XFree(status_attr);	1617	XFree (status_attr);
1189		1618
1190	rxvt_setPreeditArea(aR_ &preedit_rect, &status_rect, needed_rect);	1619	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1620	XFree (needed_rect);
1191		1621
1192	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1622	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1193	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1623	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1194		1624
1195	XSetICValues(R->h->Input_Context,	1625	XSetICValues (Input_Context,
1196	XNPreeditAttributes, preedit_attr,	1626	XNPreeditAttributes, preedit_attr,
1197	XNStatusAttributes, status_attr, NULL);	1627	XNStatusAttributes, status_attr,
		1628	NULL);
1198		1629
		1630	XFree (status_attr);
		1631	}
		1632
1199	XFree(preedit_attr);	1633	XFree (preedit_attr);
1200	XFree(status_attr);
1201	}	1634	}
1202	#endif /* USE_XIM */	1635	#endif /* USE_XIM */
1203		1636
1204	/*----------------------------------------------------------------------*/	1637	void
1205	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 */
1206		1695
1207	/*----------------------- end-of-file (C source) -----------------------*/	1696	/*----------------------- end-of-file (C source) -----------------------*/

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