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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.6 by pcg, Tue Nov 25 17:11:33 2003 UTC vs.
Revision 1.185 by root, Tue Jan 17 15:17:39 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.6 2003/11/25 17:11:33 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
37	#include <signal.h>	40	#include <csignal>
		41	#include <cstring>
38		42
39	#ifdef TTY_GID_SUPPORT	43	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	44	# include <grp.h>
41	#endif	45	#endif
42		46
43	#ifdef HAVE_TERMIOS_H	47	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	48	# include <termios.h>
45	#endif	49	#endif
46		50
		51	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
		52	static uid_t saved_euid;
		53	static gid_t saved_egid;
		54	#endif
		55
		56	bool
		57	rxvt_tainted ()
		58	{
		59	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
		60	return getuid () != saved_euid || getgid () != saved_egid;
		61	#else
		62	return false;
		63	#endif
		64	}
		65
		66	vector<rxvt_term *> rxvt_term::termlist;
		67
		68	static char curlocale[128], savelocale[128];
		69
		70	bool
		71	rxvt_set_locale (const char *locale)
		72	{
		73	if (!locale || !strncmp (locale, curlocale, 128))
		74	return false;
		75
		76	strncpy (curlocale, locale, 128);
		77	setlocale (LC_CTYPE, curlocale);
		78	return true;
		79	}
		80
47	void *	81	void
48	rxvt_term::operator new (size_t s)	82	rxvt_push_locale (const char *locale)
49	{	83	{
50	void *p = malloc (s);	84	strcpy (savelocale, curlocale);
		85	rxvt_set_locale (locale);
		86	}
51		87
52	MEMSET (p, 0, s);	88	void
		89	rxvt_pop_locale ()
		90	{
		91	rxvt_set_locale (savelocale);
		92	}
		93
		94	#if ENABLE_COMBINING
		95	class rxvt_composite_vec rxvt_composite;
		96
		97	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		98	{
		99	compose_char *cc;
		100
		101	// break compose chains, as stupid readline really likes to duplicate
		102	// composing characters for some reason near the end of a line.
		103	cc = (*this)[c1];
		104	while (cc)
		105	{
		106	if (cc->c2 == c2) return c1;
		107	cc = (*this)[cc->c1];
		108	}
		109
		110	// check to see wether this combination already exists otherwise
		111	for (cc = v.end (); cc-- > v.begin (); )
		112	{
		113	if (cc->c1 == c1 && cc->c2 == c2)
		114	return COMPOSE_LO + (cc - v.begin ());
		115	}
		116
		117	// allocate a new combination
		118	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		119	{
		120	static int seen;
		121
		122	if (!seen++)
		123	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		124
		125	return REPLACEMENT_CHAR;
		126	}
		127
		128	v.push_back (compose_char (c1, c2));
		129
		130	return v.size () - 1 + COMPOSE_LO;
		131	}
		132
		133	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		134	{
		135	compose_char *cc = (*this)[c];
		136
		137	if (!cc)
		138	{
		139	if (r) *r = c;
		140	return 1;
		141	}
		142
		143	int len = expand (cc->c1, r);
		144
		145	if (r) r += len;
		146
		147	if (cc->c2 != NOCHAR)
		148	{
		149	len++;
		150	if (r) *r++ = cc->c2;
		151	}
		152
53	return p;	153	return len;
54	}
55		154
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	155	}
		156	#endif
61		157
62	rxvt_term::rxvt_term ()	158	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	159	:
		160	#if TRANSPARENT
		161	rootwin_ev (this, &rxvt_term::rootwin_cb),
		162	#endif
		163	#ifdef HAVE_SCROLLBARS
		164	scrollbar_ev (this, &rxvt_term::x_cb),
		165	#endif
64	#ifdef CURSOR_BLINK	166	#ifdef CURSOR_BLINK
		167	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		168	#endif
		169	#ifdef TEXT_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	170	text_blink_ev (this, &rxvt_term::text_blink_cb),
		171	#endif
		172	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		173	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		174	#endif
		175	#ifdef SELECTION_SCROLLING
		176	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		177	#endif
		178	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		179	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
66	#endif	180	#endif
67	#ifdef POINTER_BLANK	181	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	182	pointer_ev (this, &rxvt_term::pointer_cb),
69	#endif	183	#endif
		184	#ifdef USE_XIM
		185	im_ev (this, &rxvt_term::im_cb),
		186	#endif
		187	termwin_ev (this, &rxvt_term::x_cb),
70	x_ev (this, &rxvt_term::x_cb)	188	vt_ev (this, &rxvt_term::x_cb),
		189	check_ev (this, &rxvt_term::check_cb),
		190	flush_ev (this, &rxvt_term::flush_cb),
		191	destroy_ev (this, &rxvt_term::destroy_cb),
		192	pty_ev (this, &rxvt_term::pty_cb),
		193	incr_ev (this, &rxvt_term::incr_cb)
71	{	194	{
72	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		196
		197	termlist.push_back (this);
		198
		199	#ifdef KEYSYM_RESOURCE
		200	keyboard = new keyboard_manager;
		201
		202	if (!keyboard)
		203	rxvt_fatal ("out of memory, aborting.\n");
		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 rxvt_term::emergency_cleanup ()
		210	{
		211	if (cmd_pid)
		212	kill (-cmd_pid, SIGHUP);
		213
		214	#ifdef UTMP_SUPPORT
		215	privileged_utmp (RESTORE);
		216	#endif
		217
		218	delete pty; pty = 0;
73	}	219	}
74		220
75	rxvt_term::~rxvt_term ()	221	rxvt_term::~rxvt_term ()
76	{	222	{
77	delete PixColors;	223	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		224
		225	termlist.erase (find (termlist.begin (), termlist.end(), this));
		226
		227	emergency_cleanup ();
		228
		229	#if ENABLE_STYLES
		230	for (int i = RS_styleCount; --i; )
		231	if (fontset[i] != fontset[0])
		232	delete fontset[i];
		233	#endif
		234	delete fontset[0];
		235
		236	if (display)
		237	{
		238	dDisp;
		239
		240	selection_clear ();
		241
		242	#ifdef USE_XIM
		243	im_destroy ();
		244	#endif
		245	#ifdef XTERM_SCROLLBAR
		246	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
		247	if (ShadowGC) XFreeGC (disp, ShadowGC);
		248	#endif
		249	#ifdef PLAIN_SCROLLBAR
		250	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		251	#endif
		252	#ifdef NEXT_SCROLLBAR
		253	if (blackGC) XFreeGC (disp, blackGC);
		254	if (whiteGC) XFreeGC (disp, whiteGC);
		255	if (grayGC) XFreeGC (disp, grayGC);
		256	if (darkGC) XFreeGC (disp, darkGC);
		257	if (stippleGC) XFreeGC (disp, stippleGC);
		258	if (dimple) XFreePixmap (disp, dimple);
		259	if (upArrow) XFreePixmap (disp, upArrow);
		260	if (downArrow) XFreePixmap (disp, downArrow);
		261	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		262	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		263	#endif
		264	#ifdef RXVT_SCROLLBAR
		265	if (topShadowGC) XFreeGC (disp, topShadowGC);
		266	if (botShadowGC) XFreeGC (disp, botShadowGC);
		267	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		268	#endif
		269	if (gc) XFreeGC (disp, gc);
		270
		271	delete drawable;
		272	// destroy all windows
		273	if (parent[0])
		274	XDestroyWindow (disp, parent[0]);
		275	}
		276
		277	// TODO: free pixcolours, colours should become part of rxvt_display
		278	delete pix_colors_focused;
		279	#if OFF_FOCUS_FADING
		280	delete pix_colors_unfocused;
		281	#endif
		282
		283	displays.put (display);
		284
		285	scr_release ();
		286
		287	/* clear all resources */
		288	for (int i = 0; i < allocated.size (); i++)
		289	free (allocated [i]);
		290
		291	free (selection.text);
		292	// TODO: manage env vars in child only(!)
		293	free (env_windowid);
		294	free (env_display);
		295	free (env_term);
		296	free (env_colorfgbg);
		297	free (locale);
		298	free (v_buffer);
		299	free (incr_buf);
		300
		301	delete envv;
		302	delete argv;
		303
		304	#ifdef KEYSYM_RESOURCE
		305	delete keyboard;
		306	#endif
		307	}
		308
		309	void
		310	rxvt_term::child_exit ()
		311	{
		312	cmd_pid = 0;
		313
		314	if (!OPTION (Opt_hold))
		315	destroy ();
		316	}
		317
		318	void
		319	rxvt_term::destroy ()
		320	{
		321	if (destroy_ev.active)
		322	return;
		323
		324	#if ENABLE_OVERLAY
		325	scr_overlay_off ();
		326	#endif
		327
		328	if (display)
		329	{
		330	#if USE_XIM
		331	im_ev.stop (display);
		332	#endif
		333	#if HAVE_SCROLLBARS
		334	scrollbar_ev.stop (display);
		335	#endif
		336	#if TRANSPARENT
		337	rootwin_ev.stop (display);
		338	#endif
		339	incr_ev.stop ();
		340	termwin_ev.stop (display);
		341	vt_ev.stop (display);
		342	}
		343
		344	check_ev.stop ();
		345	pty_ev.stop ();
		346	#ifdef CURSOR_BLINK
		347	cursor_blink_ev.stop ();
		348	#endif
		349	#ifdef TEXT_BLINK
		350	text_blink_ev.stop ();
		351	#endif
		352	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		353	cont_scroll_ev.stop ();
		354	#endif
		355	#ifdef SELECTION_SCROLLING
		356	sel_scroll_ev.stop ();
		357	#endif
		358	#ifdef POINTER_BLANK
		359	pointer_ev.stop ();
		360	#endif
		361
		362	destroy_ev.start (0);
		363	}
		364
		365	void
		366	rxvt_term::destroy_cb (time_watcher &w)
		367	{
		368	make_current ();
		369
		370	delete this;
78	}	371	}
79		372
80	/*----------------------------------------------------------------------*/	373	/*----------------------------------------------------------------------*/
81	/* rxvt_init() */	374	/*
82	/* LIBPROTO */	375	* Exit gracefully, clearing the utmp entry and restoring tty attributes
83	rxvt_t	376	* TODO: if debugging, this should free up any known resources if we can
84	rxvt_init(int argc, const char *const *argv)	377	*/
85	{	378	static XErrorHandler old_xerror_handler;
86	SET_R(new rxvt_term);
87	dR;
88		379
89	if (!R->init_vars () || !R->init (argc, argv))	380	static void
		381	rxvt_emergency_cleanup ()
		382	{
		383	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		384	(*t)->emergency_cleanup ();
		385	}
		386
		387	#if ENABLE_FRILLS
		388	static void
		389	print_x_error (Display *dpy, XErrorEvent *event)
		390	{
		391	char buffer[BUFSIZ];
		392	char mesg[BUFSIZ];
		393	char number[32];
		394	char *mtype = "XlibMessage";
		395	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		396	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		397	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		398	rxvt_warn ("%s: %s\n", mesg, buffer);
		399	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		400	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		401	sprintf(number, "%d", event->request_code);
		402	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		403	rxvt_warn ("(which is %s)\n", buffer);
		404	if (event->request_code >= 128) {
		405	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		406	mesg, BUFSIZ);
		407	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
90	{	408	}
91	delete R;	409	if ((event->error_code == BadWindow) ||
92	return NULL;	410	(event->error_code == BadPixmap) ||
		411	(event->error_code == BadCursor) ||
		412	(event->error_code == BadFont) ||
		413	(event->error_code == BadDrawable) ||
		414	(event->error_code == BadColor) ||
		415	(event->error_code == BadGC) ||
		416	(event->error_code == BadIDChoice) ||
		417	(event->error_code == BadValue) ||
		418	(event->error_code == BadAtom)) {
		419	if (event->error_code == BadValue)
		420	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		421	mesg, BUFSIZ);
		422	else if (event->error_code == BadAtom)
		423	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		424	mesg, BUFSIZ);
		425	else
		426	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		427	mesg, BUFSIZ);
		428	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		429	}
		430	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		431	mesg, BUFSIZ);
		432	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		433	}
		434	#endif
		435
		436	int
		437	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		438	{
		439	if (GET_R->allowedxerror == -1)
		440	GET_R->allowedxerror = event->error_code;
		441	else
93	}	442	{
		443	// GET_R is most likely not the terminal which caused the error,
		444	// so just output the error and continue
		445	#if ENABLE_FRILLS
		446	print_x_error (display, event);
		447	#else
		448	old_xerror_handler (display, event);
		449	#endif
		450	}
94		451
95	return R;	452	return 0;
96	}	453	}
97		454
		455	int
		456	rxvt_xioerror_handler (Display *display)
		457	{
		458	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		459	DisplayString (display));
		460	rxvt_emergency_cleanup ();
		461	_exit (EXIT_FAILURE);
		462	}
		463
		464	/*----------------------------------------------------------------------*/
98	bool	465	bool
99	rxvt_term::init (int argc, const char *const *argv)	466	rxvt_term::init (int argc, const char *const *argv)
100	{	467	{
101	dR;//TODO (scrollbar, setidle)	468	SET_R (this);
		469	set_locale ("");
		470	set_environ (envv); // few things in X do not call setlocale :(
		471
		472	if (!init_vars ())
		473	return false;
		474
		475	init_secondary ();
		476
		477	const char **cmd_argv = init_resources (argc, argv);
		478
		479	#ifdef KEYSYM_RESOURCE
		480	keyboard->register_done ();
		481	#endif
		482
		483	#ifdef HAVE_SCROLLBARS
		484	if (OPTION (Opt_scrollBar))
		485	scrollBar.setIdle (); /* set existence for size calculations */
		486	#endif
		487
		488	#if ENABLE_PERL
		489	if (!rs[Rs_perl_ext_1])
		490	rs[Rs_perl_ext_1] = "default";
		491
		492	if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
		493	|| (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
		494	|| (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
		495	{
		496	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
		497	// ignore some perl-related arguments if some bozo installed us set[ug]id
		498	if (rxvt_tainted ())
		499	{
		500	if ((rs[Rs_perl_lib] && *rs[Rs_perl_lib])
		501	|| (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
		502	{
		503	rxvt_warn ("running with elevated privileges: ignoring perl-lib and perl-eval.\n");
		504	rs[Rs_perl_lib] = 0;
		505	rs[Rs_perl_eval] = 0;
		506	}
		507	}
		508	#endif
		509	rxvt_perl.init (this);
		510	HOOK_INVOKE ((this, HOOK_INIT, DT_END));
		511	}
		512	#endif
		513
		514	pty = rxvt_new_ptytty ();
		515
		516	create_windows (argc, argv);
		517
		518	dDisp;
		519
		520	init_xlocale ();
		521
		522	scr_reset (); // initialize screen
		523
		524	#if 0
		525	XSynchronize (disp, True);
		526	#endif
		527
		528	#ifdef HAVE_SCROLLBARS
		529	if (OPTION (Opt_scrollBar))
		530	resize_scrollbar (); /* create and map scrollbar */
		531	#endif
		532	#ifdef TRANSPARENT
		533	if (OPTION (Opt_transparent))
		534	{
		535	XSelectInput (disp, display->root, PropertyChangeMask);
		536	check_our_parents ();
		537	rootwin_ev.start (display, display->root);
		538	}
		539	#endif
		540
		541	XMapWindow (disp, vt);
		542	XMapWindow (disp, parent[0]);
		543
		544	set_colorfgbg ();
		545
		546	init_command (cmd_argv);
		547
		548	free (cmd_argv);
		549
		550	if (pty->pty >= 0)
		551	pty_ev.start (pty->pty, EVENT_READ);
		552
		553	check_ev.start ();
		554
		555	HOOK_INVOKE ((this, HOOK_START, DT_END));
		556
		557	return true;
		558	}
		559
		560	static struct sig_handlers
		561	{
		562	sig_watcher sw_chld, sw_term, sw_int;
		563
		564	void sig_chld (sig_watcher &w)
		565	{
		566	// we are being called for every SIGCHLD, find the corresponding term
		567	int pid;
		568
		569	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
		570	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		571	if (pid == (*t)->cmd_pid)
		572	{
		573	(*t)->child_exit ();
		574	break;
		575	}
		576	}
		577
		578	/*
		579	* Catch a fatal signal and tidy up before quitting
		580	*/
		581	void
		582	sig_term (sig_watcher &w)
		583	{
		584	#ifdef DEBUG_CMD
		585	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		586	#endif
		587	rxvt_emergency_cleanup ();
		588	signal (w.signum, SIG_DFL);
		589	kill (getpid (), w.signum);
		590	}
		591
		592	sig_handlers ()
		593	: sw_chld (this, &sig_handlers::sig_chld),
		594	sw_term (this, &sig_handlers::sig_term),
		595	sw_int (this, &sig_handlers::sig_term)
		596	{
		597	}
		598	} sig_handlers;
		599
		600	char **rxvt_environ; // startup environment
		601
		602	void
		603	rxvt_init ()
		604	{
		605	rxvt_environ = environ;
102		606
103	/*	607	/*
104	* Save and then give up any super-user privileges	608	* Save and then give up any super-user privileges
105	* If we need privileges in any area then we must specifically request it.	609	* If we need privileges in any area then we must specifically request it.
106	* We should only need to be root in these cases:	610	* We should only need to be root in these cases:
107	* 1. write utmp entries on some systems	611	* 1. write utmp entries on some systems
108	* 2. chown tty on some systems	612	* 2. chown tty on some systems
109	*/	613	*/
110	rxvt_privileges (this, SAVE);	614	rxvt_privileges (SAVE);
111	rxvt_privileges (this, IGNORE);	615	rxvt_privileges (IGNORE);
112		616
113	rxvt_init_secondary (this);	617	signal (SIGHUP, SIG_IGN);
		618	signal (SIGPIPE, SIG_IGN);
114		619
115	const char **cmd_argv = rxvt_init_resources (this, argc, argv);	620	sig_handlers.sw_chld.start (SIGCHLD);
		621	sig_handlers.sw_term.start (SIGTERM);
		622	sig_handlers.sw_int.start (SIGINT);
116		623
117	#if (MENUBAR_MAX)	624	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
118	rxvt_menubar_read (this, rs[Rs_menu]);	625	/* signal (SIGURG, SIG_DFL); */
119	#endif
120	#ifdef HAVE_SCROLLBARS
121	if (Options & Opt_scrollBar)
122	scrollbar_setIdle (); /* set existence for size calculations */
123	#endif
124		626
125	rxvt_Create_Windows (this, argc, argv);
126
127	rxvt_init_xlocale (this);
128
129	rxvt_scr_reset (this); /* initialize screen */
130	#ifdef RXVT_GRAPHICS
131	rxvt_Gr_reset (this); /* reset graphics */
132	#endif
133
134	#if 0
135	#ifdef DEBUG_X
136	XSynchronize(Xdisplay, True);
137	XSetErrorHandler((XErrorHandler) abort);
138	#else
139	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);	627	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
140	#endif	628	// TODO: handle this with exceptions and tolerate the memory loss
141	#endif	629	XSetIOErrorHandler (rxvt_xioerror_handler);
142		630
143	#ifdef HAVE_SCROLLBARS	631	XrmInitialize ();
144	if (Options & Opt_scrollBar)
145	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
146	#endif
147	#if (MENUBAR_MAX)
148	if (menubar_visible(r))
149	XMapWindow (Xdisplay, menuBar.win);
150	#endif
151	#ifdef TRANSPARENT
152	if (Options & Opt_transparent)
153	{
154	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
155	rxvt_check_our_parents (this);
156	}
157	#endif
158	XMapWindow (Xdisplay, TermWin.vt);
159	XMapWindow (Xdisplay, TermWin.parent[0]);
160
161	rxvt_init_env (this);
162	rxvt_init_command (this, cmd_argv);
163
164	x_ev.start (Xfd, EVENT_READ);
165	pty_ev.start (cmd_fd, EVENT_READ);
166
167	return true;
168	}
169
170	/* ------------------------------------------------------------------------- *
171	* SIGNAL HANDLING & EXIT HANDLER *
172	* ------------------------------------------------------------------------- */
173	/*
174	* Catch a SIGCHLD signal and exit if the direct child has died
175	*/
176	/* ARGSUSED */
177	/* EXTPROTO */
178	RETSIGTYPE
179	rxvt_Child_signal(int sig __attribute__ ((unused)))
180	{
181	dR;
182	int pid, save_errno = errno;
183
184	do {
185	errno = 0;
186	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
187
188	if (pid == R->cmd_pid)
189	exit(EXIT_SUCCESS);
190
191	errno = save_errno;
192	signal(SIGCHLD, rxvt_Child_signal);
193	}
194
195	/*
196	* Catch a fatal signal and tidy up before quitting
197	*/
198	/* EXTPROTO */
199	RETSIGTYPE
200	rxvt_Exit_signal(int sig)
201	{
202	signal(sig, SIG_DFL);
203	#ifdef DEBUG_CMD
204	rxvt_print_error("signal %d", sig);
205	#endif
206	rxvt_clean_exit();
207	kill(getpid(), sig);
208	}
209
210	/* ARGSUSED */
211	/* INTPROTO */
212	int
213	rxvt_xerror_handler(const Display * display
214	__attribute__ ((unused)), const XErrorEvent * event)
215	{
216	dR;
217
218	if (R->allowedxerror == -1) {
219	R->allowedxerror = event->error_code;
220	return 0; /* ignored anyway */
221	}
222	rxvt_print_error("XError: Request: %d . %d, Error: %d",
223	event->request_code, event->minor_code,
224	event->error_code);
225	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
226	exit(EXIT_FAILURE);
227	/* NOTREACHED */
228	}
229
230	/*----------------------------------------------------------------------*/
231	/*
232	* Exit gracefully, clearing the utmp entry and restoring tty attributes
233	* TODO: if debugging, this should free up any known resources if we can
234	*/
235	/* EXTPROTO */
236	void
237	rxvt_clean_exit(void)
238	{
239	dR;
240
241	#ifdef DEBUG_SCREEN
242	rxvt_scr_release(aR);
243	#endif
244	#ifndef NO_SETOWNER_TTYDEV
245	rxvt_privileged_ttydev(aR_ RESTORE);
246	#endif
247	#ifdef UTMP_SUPPORT
248	rxvt_privileged_utmp(aR_ RESTORE);
249	#endif
250	#ifdef USE_XIM
251	if (R->Input_Context != NULL) {
252	XDestroyIC(R->Input_Context);
253	R->Input_Context = NULL;
254	}
255	#endif
256	}	632	}
257		633
258	/* ------------------------------------------------------------------------- *	634	/* ------------------------------------------------------------------------- *
259	* MEMORY ALLOCATION WRAPPERS *	635	* MEMORY ALLOCATION WRAPPERS *
260	* ------------------------------------------------------------------------- */	636	* ------------------------------------------------------------------------- */
261	/* EXTPROTO */	637	void *
		638	rxvt_malloc (size_t size)
		639	{
		640	void *p = malloc (size);
		641
		642	if (!p)
		643	rxvt_fatal ("memory allocation failure. aborting.\n");
		644
		645	return p;
		646	}
		647
		648	void *
		649	rxvt_calloc (size_t number, size_t size)
		650	{
		651	void *p = calloc (number, size);
		652
		653	if (!p)
		654	rxvt_fatal ("memory allocation failure. aborting.\n");
		655
		656	return p;
		657	}
		658
262	void *	659	void *
263	rxvt_malloc(size_t size)
264	{
265	void *p;
266
267	p = malloc(size);
268	if (p)
269	return p;
270
271	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
272	rxvt_clean_exit();
273	exit(EXIT_FAILURE);
274	/* NOTREACHED */
275	}
276
277	/* EXTPROTO */
278	void *
279	rxvt_calloc(size_t number, size_t size)
280	{
281	void *p;
282
283	p = calloc(number, size);
284	if (p)
285	return p;
286
287	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
288	rxvt_clean_exit();
289	exit(EXIT_FAILURE);
290	/* NOTREACHED */
291	}
292
293	/* EXTPROTO */
294	void *
295	rxvt_realloc(void *ptr, size_t size)	660	rxvt_realloc (void *ptr, size_t size)
296	{	661	{
297	void *p;
298
299	if (ptr)
300	p = realloc(ptr, size);	662	void *p = realloc (ptr, size);
301	else	663
302	p = malloc(size);
303	if (p)	664	if (!p)
		665	rxvt_fatal ("memory allocation failure. aborting.\n");
		666
304	return p;	667	return p;
305
306	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
307	rxvt_clean_exit();
308	exit(EXIT_FAILURE);
309	/* NOTREACHED */
310	}	668	}
311		669
312	/* ------------------------------------------------------------------------- *	670	/* ------------------------------------------------------------------------- *
313	* PRIVILEGED OPERATIONS *	671	* PRIVILEGED OPERATIONS *
314	* ------------------------------------------------------------------------- */	672	* ------------------------------------------------------------------------- */
315	/* take care of suid/sgid super-user (root) privileges */	673	/* take care of suid/sgid super-user (root) privileges */
316	/* INTPROTO */
317	void	674	void
318	rxvt_privileges(pR_ int mode)	675	rxvt_privileges (rxvt_privaction action)
319	{	676	{
320	#if ! defined(__CYGWIN32__)	677	#if ! defined(__CYGWIN32__)
321	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	678	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
322	/* setreuid() is the poor man's setuid(), seteuid() */	679	/* setreuid () is the poor man's setuid (), seteuid () */
323	# define seteuid(a) setreuid(-1, (a))	680	# define seteuid(a) setreuid(-1, (a))
324	# define setegid(a) setregid(-1, (a))	681	# define setegid(a) setregid(-1, (a))
325	# define HAVE_SETEUID	682	# define HAVE_SETEUID
326	# endif	683	# endif
327	# ifdef HAVE_SETEUID	684	# ifdef HAVE_SETEUID
328	switch (mode) {	685	switch (action)
		686	{
329	case IGNORE:	687	case IGNORE:
330	/*	688	/*
331	* change effective uid/gid - not real uid/gid - so we can switch	689	* change effective uid/gid - not real uid/gid - so we can switch
332	* back to root later, as required	690	* back to root later, as required
333	*/	691	*/
334	seteuid(getuid());
335	setegid(getgid());	692	setegid (getgid ());
		693	seteuid (getuid ());
336	break;	694	break;
337	case SAVE:	695	case SAVE:
338	R->euid = geteuid();
339	R->egid = getegid();	696	saved_egid = getegid ();
		697	saved_euid = geteuid ();
340	break;	698	break;
341	case RESTORE:	699	case RESTORE:
342	seteuid(R->euid);
343	setegid(R->egid);	700	setegid (saved_egid);
		701	seteuid (saved_euid);
344	break;	702	break;
345	}	703	}
346	# else	704	# else
347	switch (mode) {	705	switch (action)
		706	{
348	case IGNORE:	707	case IGNORE:
349	setuid(getuid());
350	setgid(getgid());	708	setgid (getgid ());
		709	setuid (getuid ());
351	/* FALLTHROUGH */	710	/* FALLTHROUGH */
352	case SAVE:	711	case SAVE:
353	/* FALLTHROUGH */	712	/* FALLTHROUGH */
354	case RESTORE:	713	case RESTORE:
355	break;	714	break;
356	}	715	}
357	# endif	716	# endif
358	#endif	717	#endif
359	}	718	}
360
361	#ifdef UTMP_SUPPORT
362	/* EXTPROTO */
363	void
364	rxvt_privileged_utmp(pR_ char action)
365	{
366	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
367	action, R->next_utmp_action, getpid()));
368	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
369	|| (R->Options & Opt_utmpInhibit)
370	|| R->ttydev == NULL || *R->ttydev == '\0')
371	return;
372
373	rxvt_privileges(aR_ RESTORE);
374	if (action == SAVE) {
375	R->next_utmp_action = RESTORE;
376	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
377	} else { /* action == RESTORE */
378	R->next_utmp_action = IGNORE;
379	rxvt_cleanutent(aR);
380	}
381	rxvt_privileges(aR_ IGNORE);
382	}
383	#endif
384
385	#ifndef NO_SETOWNER_TTYDEV
386	/* EXTPROTO */
387	void
388	rxvt_privileged_ttydev(pR_ char action)
389	{
390	D_MAIN((stderr,
391	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
392	action, R->next_tty_action, getpid()));
393	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
394	|| R->ttydev == NULL || *R->ttydev == '\0')
395	return;
396
397	rxvt_privileges(aR_ RESTORE);
398
399	if (action == SAVE) {
400	R->next_tty_action = RESTORE;
401	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
402	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
403	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
404	R->next_tty_action = IGNORE;
405	else
406	# endif
407	{
408	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
409	chmod(R->ttydev, R->ttymode);
410	# ifdef HAVE_REVOKE
411	revoke(R->ttydev);
412	# endif
413	}
414	} else { /* action == RESTORE */
415	R->next_tty_action = IGNORE;
416	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
417	chmod(R->ttydev, R->ttyfd_stat.st_mode);
418	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
419	# else
420	chmod(R->ttydev,
421	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
422	chown(R->ttydev, 0, 0);
423	# endif
424	}
425
426	rxvt_privileges(aR_ IGNORE);
427
428	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
429	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
430	action == RESTORE ? "Restoring" : (action ==
431	SAVE ? "Saving" :
432	"UNKNOWN ERROR for"), R->ttydev,
433	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
434	R->ttyfd_stat.st_gid));
435	# endif
436	}
437	#endif
438		719
439	/*----------------------------------------------------------------------*/	720	/*----------------------------------------------------------------------*/
440	/*	721	/*
441	* window size/position calculcations for XSizeHint and other storage.	722	* window size/position calculcations for XSizeHint and other storage.
442	* if width/height are non-zero then override calculated width/height	723	* if width/height are non-zero then override calculated width/height
443	*/	724	*/
444	/* EXTPROTO */
445	void	725	void
446	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	726	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
447	{	727	{
448	short recalc_x, recalc_y;	728	short recalc_x, recalc_y;
449	int x, y, sb_w, mb_h, flags;	729	int x, y, sb_w, flags;
450	unsigned int w, h;	730	unsigned int w, h;
451	unsigned int max_width, max_height;	731	unsigned int max_width, max_height;
		732	dDisp;
452		733
453	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	734	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
454	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	735	ncol, nrow, szHint.width, szHint.height));
455	R->szHint.height));	736
456	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	737	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
457	R->szHint.win_gravity = NorthWestGravity;	738	szHint.win_gravity = NorthWestGravity;
458	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	739	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
459		740
460	recalc_x = recalc_y = 0;	741	recalc_x = recalc_y = 0;
461	flags = 0;	742	flags = 0;
		743
462	if (!R->parsed_geometry) {	744	if (!parsed_geometry)
		745	{
463	R->parsed_geometry = 1;	746	parsed_geometry = 1;
		747
464	if (R->rs[Rs_geometry])	748	if (rs[Rs_geometry])
465	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	749	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		750
466	if (flags & WidthValue) {	751	if (flags & WidthValue)
467	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	752	{
		753	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
468	R->szHint.flags |= USSize;	754	szHint.flags |= USSize;
469	}	755	}
		756
470	if (flags & HeightValue) {	757	if (flags & HeightValue)
471	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	758	{
		759	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
472	R->szHint.flags |= USSize;	760	szHint.flags |= USSize;
473	}	761	}
		762
474	if (flags & XValue) {	763	if (flags & XValue)
		764	{
475	R->szHint.x = x;	765	szHint.x = x;
476	R->szHint.flags |= USPosition;	766	szHint.flags |= USPosition;
		767
477	if (flags & XNegative) {	768	if (flags & XNegative)
		769	{
478	recalc_x = 1;	770	recalc_x = 1;
479	R->szHint.win_gravity = NorthEastGravity;	771	szHint.win_gravity = NorthEastGravity;
480	}	772	}
481	}	773	}
		774
482	if (flags & YValue) {	775	if (flags & YValue)
		776	{
483	R->szHint.y = y;	777	szHint.y = y;
484	R->szHint.flags |= USPosition;	778	szHint.flags |= USPosition;
		779
485	if (flags & YNegative) {	780	if (flags & YNegative)
		781	{
486	recalc_y = 1;	782	recalc_y = 1;
		783
487	if (R->szHint.win_gravity == NorthEastGravity)	784	if (szHint.win_gravity == NorthEastGravity)
488	R->szHint.win_gravity = SouthEastGravity;	785	szHint.win_gravity = SouthEastGravity;
489	else	786	else
490	R->szHint.win_gravity = SouthWestGravity;	787	szHint.win_gravity = SouthWestGravity;
491	}	788	}
492	}	789	}
493	}	790	}
		791
494	/* TODO: BOUNDS */	792	/* TODO: BOUNDS */
495	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	793	width = ncol * fwidth;
496	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	794	height = nrow * fheight;
497	max_width = MAX_COLS * R->TermWin.fwidth;	795	max_width = MAX_COLS * fwidth;
498	max_height = MAX_ROWS * R->TermWin.fheight;	796	max_height = MAX_ROWS * fheight;
499		797
500	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	798	szHint.base_width = szHint.base_height = 2 * int_bwidth;
501		799
502	sb_w = mb_h = 0;	800	sb_w = 0;
503	R->window_vt_x = R->window_vt_y = 0;	801	window_vt_x = window_vt_y = int_bwidth;
504	if (scrollbar_visible(R)) {	802
		803	if (scrollBar.state)
		804	{
505	sb_w = scrollbar_TotalWidth();	805	sb_w = scrollbar_TotalWidth ();
506	R->szHint.base_width += sb_w;	806	szHint.base_width += sb_w;
507	if (!(R->Options & Opt_scrollBar_right))	807	if (!OPTION (Opt_scrollBar_right))
508	R->window_vt_x = sb_w;	808	window_vt_x += sb_w;
509	}	809	}
510	if (menubar_visible(R)) {	810
511	mb_h = menuBar_TotalHeight();
512	R->szHint.base_height += mb_h;
513	R->window_vt_y = mb_h;
514	}
515	R->szHint.width_inc = R->TermWin.fwidth;	811	szHint.width_inc = fwidth;
516	R->szHint.height_inc = R->TermWin.fheight;	812	szHint.height_inc = fheight;
517	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	813	szHint.min_width = szHint.base_width + szHint.width_inc;
518	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	814	szHint.min_height = szHint.base_height + szHint.height_inc;
519		815
520	if (width && width - R->szHint.base_width < max_width) {	816	if (newwidth && newwidth - szHint.base_width < max_width)
		817	{
521	R->szHint.width = width;	818	szHint.width = newwidth;
522	R->TermWin.width = width - R->szHint.base_width;	819	width = newwidth - szHint.base_width;
523	} else {	820	}
524	MIN_IT(R->TermWin.width, max_width);	821	else
		822	{
		823	min_it (width, max_width);
525	R->szHint.width = R->szHint.base_width + R->TermWin.width;	824	szHint.width = szHint.base_width + width;
526	}	825	}
		826
527	if (height && height - R->szHint.base_height < max_height) {	827	if (newheight && newheight - szHint.base_height < max_height)
		828	{
528	R->szHint.height = height;	829	szHint.height = newheight;
529	R->TermWin.height = height - R->szHint.base_height;	830	height = newheight - szHint.base_height;
530	} else {	831	}
531	MIN_IT(R->TermWin.height, max_height);	832	else
		833	{
		834	min_it (height, max_height);
532	R->szHint.height = R->szHint.base_height + R->TermWin.height;	835	szHint.height = szHint.base_height + height;
533	}	836	}
534	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	837
		838	if (scrollBar.state && OPTION (Opt_scrollBar_right))
535	R->window_sb_x = R->szHint.width - sb_w;	839	window_sb_x = szHint.width - sb_w;
536		840
537	if (recalc_x)	841	if (recalc_x)
538	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	842	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
539	- R->szHint.width - 2 * R->TermWin.ext_bwidth);
540	if (recalc_y)	843	if (recalc_y)
541	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	844	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
542	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
543		845
544	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	846	ncol = width / fwidth;
545	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	847	nrow = height / fheight;
546	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	848	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
547	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	849	ncol, nrow, szHint.width,
548	R->szHint.height));	850	szHint.height));
549	return;	851	return;
550	}	852	}
551		853
552	/*----------------------------------------------------------------------*/	854	/*----------------------------------------------------------------------*/
553	/*	855	/*
554	* Tell the teletype handler what size the window is.	856	* Tell the teletype handler what size the window is.
555	* Called after a window size change.	857	* Called after a window size change.
556	*/	858	*/
557	/* EXTPROTO */
558	void	859	void
559	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	860	rxvt_term::tt_winch ()
560	{	861	{
		862	if (pty->pty < 0)
		863	return;
		864
561	struct winsize ws;	865	struct winsize ws;
562		866
563	if (fd < 0)
564	return;
565	ws.ws_col = col;	867	ws.ws_col = ncol;
566	ws.ws_row = row;	868	ws.ws_row = nrow;
567	ws.ws_xpixel = ws.ws_ypixel = 0;	869	ws.ws_xpixel = width;
568	#ifndef DEBUG_SIZE	870	ws.ws_ypixel = height;
569	(void)ioctl(fd, TIOCSWINSZ, &ws);	871	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
570	#else	872
571	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	873	#if 0
572	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	874	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
573	}
574	# ifdef SIGWINCH
575	else if (pid) /* force through to the command */	875	if (cmd_pid) /* force through to the command */
576	kill(pid, SIGWINCH);	876	kill (-cmd_pid, SIGWINCH);
577	# endif
578	#endif	877	#endif
579	}	878	}
580		879
581	/*----------------------------------------------------------------------*/	880	/*----------------------------------------------------------------------*/
582	/* rxvt_change_font() - Switch to a new font */	881	/* set_fonts () - load and set the various fonts
583	/*	882	*
584	* init = 1 - initialize	883	* init = 1 - initialize
585	*	884	*
586	* fontname == FONT_UP - switch to bigger font	885	* fontname == FONT_UP - switch to bigger font
587	* fontname == FONT_DN - switch to smaller font	886	* fontname == FONT_DN - switch to smaller font
588	*/	887	*/
589	/* EXTPROTO */	888	bool
590	void	889	rxvt_term::set_fonts ()
591	rxvt_change_font(pR_ int init, const char *fontname)
592	{	890	{
593	}	891	rxvt_fontset *fs = new rxvt_fontset (this);
		892	rxvt_fontprop prop;
594		893
595	/* INTPROTO */	894	if (!fs
596	void	895	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
597	rxvt_font_up_down(pR_ int n, int direction)	896	|| !fs->realize_font (1))
		897	{
		898	delete fs;
		899	return false;
		900	}
		901
		902	#if ENABLE_STYLES
		903	for (int i = RS_styleCount; --i; )
		904	if (fontset[i] != fontset[0])
		905	delete fontset[i];
		906	#endif
		907
		908	delete fontset[0];
		909	fontset[0] = fs;
		910
		911	prop = (*fs)[1]->properties ();
		912	prop.height += lineSpace;
		913	fs->set_prop (prop);
		914
		915	fwidth = prop.width;
		916	fheight = prop.height;
		917	fbase = prop.ascent;
		918
		919	for (int style = 1; style < 4; style++)
		920	{
		921	#if ENABLE_STYLES
		922	const char *res = rs[Rs_font + style];
		923
		924	if (res && !*res)
		925	fontset[style] = fontset[0];
		926	else
		927	{
		928	fontset[style] = fs = new rxvt_fontset (this);
		929	rxvt_fontprop prop2 = prop;
		930
		931	if (res)
		932	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		933	else
		934	{
		935	res = fontset[0]->fontdesc;
		936
		937	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		938	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		939	}
		940
		941	fs->populate (res);
		942	fs->set_prop (prop2);
		943	}
		944	#else
		945	fontset[style] = fontset[0];
		946	#endif
		947	}
		948
		949	if (parent[0])
		950	{
		951	resize_all_windows (0, 0, 0);
		952	scr_remap_chars ();
		953	scr_touch (true);
		954	}
		955
		956	return true;
		957	}
		958
		959	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
598	{	960	{
		961	XChangeProperty (display->display, parent[0],
		962	prop, XA_STRING, 8, PropModeReplace,
		963	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		964	}
		965
		966	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		967	{
		968	wchar_t *ws = rxvt_mbstowcs (str, len);
		969	char *s = rxvt_wcstoutf8 (ws);
		970
		971	XChangeProperty (display->display, parent[0],
		972	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		973	(const unsigned char *)s, strlen (s));
		974
		975	free (s);
		976	free (ws);
599	}	977	}
600		978
601	/*----------------------------------------------------------------------*/	979	/*----------------------------------------------------------------------*/
602	/*----------------------------------------------------------------------*/	980	/*----------------------------------------------------------------------*/
603	/* xterm sequences - title, iconName, color (exptl) */	981	/* xterm sequences - title, iconName, color (exptl) */
604	/* EXTPROTO */
605	void	982	void
606	rxvt_set_title(pR_ const char *str)	983	rxvt_term::set_title (const char *str)
607	{	984	{
608	#ifndef SMART_WINDOW_TITLE	985	set_string_property (XA_WM_NAME, str);
609	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	986	#if ENABLE_EWMH
		987	set_utf8_property (xa[XA_NET_WM_NAME], str);
		988	#endif
		989	}
		990
		991	void
		992	rxvt_term::set_icon_name (const char *str)
		993	{
		994	set_string_property (XA_WM_ICON_NAME, str);
		995	#if ENABLE_EWMH
		996	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		997	#endif
		998	}
		999
		1000	#ifdef XTERM_COLOR_CHANGE
		1001	void
		1002	rxvt_term::set_window_color (int idx, const char *color)
		1003	{
		1004	rxvt_color xcol;
		1005	int i;
		1006
		1007	if (color == NULL || *color == '\0')
		1008	return;
		1009
		1010	/* handle color aliases */
		1011	if (isdigit (*color))
		1012	{
		1013	i = atoi (color);
		1014
		1015	if (i >= 8 && i <= 15)
		1016	{ /* bright colors */
		1017	i -= 8;
		1018	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		1019	SET_PIXCOLOR (idx);
		1020	goto done;
		1021	}
		1022
		1023	if (i >= 0 && i <= 7)
		1024	{ /* normal colors */
		1025	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		1026	SET_PIXCOLOR (idx);
		1027	goto done;
		1028	}
		1029	}
		1030
		1031	if (!rXParseAllocColor (&xcol, color))
		1032	return;
		1033
		1034	/* XStoreColor (display->display, display->cmap, XColor*); */
		1035
		1036	/*
		1037	* FIXME: should free colors here, but no idea how to do it so instead,
		1038	* so just keep gobbling up the colormap
		1039	*/
		1040	# if 0
		1041	for (i = Color_Black; i <= Color_White; i++)
		1042	if (pix_colors[idx] == pix_colors[i])
		1043	break;
		1044	if (i > Color_White)
		1045	{
		1046	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		1047	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		1048	DisplayPlanes (display->display, display->screen));
		1049	}
		1050	# endif
		1051
		1052	pix_colors_focused[idx] = xcol;
		1053	SET_PIXCOLOR (idx);
		1054
		1055	/* XSetWindowAttributes attr; */
		1056	/* Cursor cursor; */
		1057	done:
		1058
		1059	#if OFF_FOCUS_FADING
		1060	if (rs[Rs_fade])
		1061	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		1062	#endif
		1063
		1064	/*TODO: handle Color_BD, scrollbar background, etc. */
		1065
		1066	recolour_cursor ();
		1067	scr_recolour ();
		1068	}
		1069
610	#else	1070	#else
611	char *name;
612
613	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
614	name = NULL;
615	if (name == NULL || STRCMP(name, str))
616	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
617	if (name)
618	XFree(name);
619	#endif
620	}
621
622	/* EXTPROTO */
623	void
624	rxvt_set_iconName(pR_ const char *str)
625	{
626	#ifndef SMART_WINDOW_TITLE
627	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
628	#else
629	char *name;
630
631	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
632	name = NULL;
633	if (name == NULL || STRCMP(name, str))
634	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
635	if (name)
636	XFree(name);
637	#endif
638	}
639
640	#ifdef XTERM_COLOR_CHANGE
641	/* EXTPROTO */
642	void
643	rxvt_set_window_color(pR_ int idx, const char *color)
644	{
645	rxvt_color xcol;
646	int i;
647
648	if (color == NULL || *color == '\0')
649	return;
650
651	/* handle color aliases */
652	if (isdigit(*color)) {
653	i = atoi(color);
654	if (i >= 8 && i <= 15) { /* bright colors */
655	i -= 8;
656	# ifndef NO_BRIGHTCOLOR
657	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
658	SET_PIXCOLOR(R, idx);
659	goto Done;
660	# endif
661	}
662	if (i >= 0 && i <= 7) { /* normal colors */
663	R->PixColors[idx] = R->PixColors[minCOLOR + i];
664	SET_PIXCOLOR(R, idx);
665	goto Done;
666	}
667	}
668	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
669	return;
670	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
671
672	/*
673	* FIXME: should free colors here, but no idea how to do it so instead,
674	* so just keep gobbling up the colormap
675	*/
676	# if 0
677	for (i = Color_Black; i <= Color_White; i++)
678	if (R->PixColors[idx] == R->PixColors[i])
679	break;
680	if (i > Color_White) {
681	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
682	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
683	DisplayPlanes(R->Xdisplay, Xscreen));
684	}
685	# endif
686
687	R->PixColors[idx] = xcol;
688	SET_PIXCOLOR(R, idx);
689
690	/* XSetWindowAttributes attr; */
691	/* Cursor cursor; */
692	Done:
693	if (idx == Color_bg && !(R->Options & Opt_transparent))
694	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
695	R->PixColors[Color_bg]);
696
697	/* handle Color_BD, scrollbar background, etc. */
698
699	rxvt_set_colorfgbg(aR);
700	rxvt_recolour_cursor(aR);
701	/* the only reasonable way to enforce a clean update */
702	rxvt_scr_poweron(aR);
703	}
704
705	#else
706	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	1071	# define set_window_color (idx,color) ((void)0)
707	#endif /* XTERM_COLOR_CHANGE */	1072	#endif /* XTERM_COLOR_CHANGE */
708		1073
709	/* EXTPROTO */
710	void	1074	void
711	rxvt_recolour_cursor(pR)	1075	rxvt_term::recolour_cursor ()
712	{	1076	{
713	rxvt_color xcol[2];	1077	XColor xcol[2];
714		1078
715	#if TODO	1079	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
716	xcol[0] = R->PixColors[Color_pointer];	1080	? pix_colors_focused[Color_pointer_fg]
717	xcol[1] = R->PixColors[Color_bg];	1081	: pix_colors_focused[Color_fg];
718	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	1082	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1083	? pix_colors_focused[Color_pointer_bg]
		1084	: pix_colors_focused[Color_bg];
		1085
		1086	XQueryColors (display->display, display->cmap, xcol, 2);
719	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1087	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
720	#endif
721	}	1088	}
722		1089
723	/*----------------------------------------------------------------------*/	1090	/*----------------------------------------------------------------------*/
724	/*	1091	/*
725	* find if fg/bg matches any of the normal (low-intensity) colors	1092	* find if fg/bg matches any of the normal (low-intensity) colors
726	*/	1093	*/
727	/* INTPROTO */
728	void	1094	void
729	rxvt_set_colorfgbg(pR)	1095	rxvt_term::set_colorfgbg ()
730	{	1096	{
731	unsigned int i;	1097	unsigned int i;
732	const char *xpmb = "\0";	1098	const char *xpmb = "\0";
733	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1099	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
734		1100
735	R->env_colorfgbg =
736	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1101	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
737	STRCPY(fstr, "default");	1102	strcpy (fstr, "default");
738	STRCPY(bstr, "default");	1103	strcpy (bstr, "default");
739	for (i = Color_Black; i <= Color_White; i++)	1104	for (i = Color_Black; i <= Color_White; i++)
740	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1105	if (pix_colors[Color_fg] == pix_colors[i])
		1106	{
741	sprintf(fstr, "%d", (i - Color_Black));	1107	sprintf (fstr, "%d", (i - Color_Black));
742	break;	1108	break;
743	}	1109	}
		1110
744	for (i = Color_Black; i <= Color_White; i++)	1111	for (i = Color_Black; i <= Color_White; i++)
745	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1112	if (pix_colors[Color_bg] == pix_colors[i])
		1113	{
746	sprintf(bstr, "%d", (i - Color_Black));	1114	sprintf (bstr, "%d", (i - Color_Black));
747	#ifdef XPM_BACKGROUND	1115	#ifdef XPM_BACKGROUND
748	xpmb = "default;";	1116	xpmb = "default;";
749	#endif	1117	#endif
750	break;	1118	break;
751	}	1119	}
		1120
752	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1121	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
753	putenv(R->env_colorfgbg);
754
755	#ifndef NO_BRIGHTCOLOR
756	R->colorfgbg = DEFAULT_RSTYLE;
757	for (i = minCOLOR; i <= maxCOLOR; i++) {
758	if (R->PixColors[Color_fg] == R->PixColors[i])
759	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
760	if (R->PixColors[Color_bg] == R->PixColors[i])
761	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
762	}
763	#endif
764	}	1122	}
765		1123
766	/*----------------------------------------------------------------------*/	1124	/*----------------------------------------------------------------------*/
767	/*
768	* Colour determination for low colour displays, routine from
769	* Hans de Goede <hans@highrise.nl>
770	*/
771		1125
772	/* EXTPROTO */
773	int	1126	int
774	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1127	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
775	{	1128	{
776	screen_in_out->set(aR_ colour);
777
778	if (!screen_in_out->set(aR_ colour)) {	1129	if (!screen_in_out->set (display, colour))
779	rxvt_print_error("can't allocate colour: %s", colour);	1130	{
		1131	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
780	return false;	1132	return false;
781	}	1133	}
782		1134
783	return true;	1135	return true;
784	}	1136	}
785		1137
786	/* -------------------------------------------------------------------- *	1138	/* -------------------------------------------------------------------- *
787	* - WINDOW RESIZING - *	1139	* - WINDOW RESIZING - *
788	* -------------------------------------------------------------------- */	1140	* -------------------------------------------------------------------- */
789	/* EXTPROTO */
790	void	1141	void
791	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1142	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
792	int ignoreparent)
793	{	1143	{
794	int fix_screen;	1144	int fix_screen;
		1145	int old_width = szHint.width, old_height = szHint.height;
		1146	dDisp;
795		1147
		1148	window_calc (newwidth, newheight);
		1149	XSetWMNormalHints (disp, parent[0], &szHint);
		1150
		1151	if (!ignoreparent)
		1152	{
796	#ifdef SMART_RESIZE	1153	#ifdef SMART_RESIZE
797	int old_width = R->szHint.width, old_height = R->szHint.height;	1154	/*
798	#endif
799
800	rxvt_window_calc(aR_ width, height);
801	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
802	if (!ignoreparent) {
803	#ifdef SMART_RESIZE
804	/*
805	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1155	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
806	* reposition window on resize depending on placement on screen	1156	* reposition window on resize depending on placement on screen
807	*/	1157	*/
808	int x, y, x1, y1;	1158	int x, y, x1, y1;
809	int dx, dy;	1159	int dx, dy;
810	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1160	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
811	Window unused_cr;	1161	Window unused_cr;
812		1162
813	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1163	XTranslateCoordinates (disp, parent[0], display->root,
814	0, 0, &x, &y, &unused_cr);	1164	0, 0, &x, &y, &unused_cr);
815	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1165	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
816	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1166	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
817	/*	1167	/*
818	* if Xroot isn't the parent window, a WM will probably have offset	1168	* if display->root isn't the parent window, a WM will probably have offset
819	* our position for handles and decorations. Counter it	1169	* our position for handles and decorations. Counter it
820	*/	1170	*/
821	if (x1 != x || y1 != y) {	1171	if (x1 != x || y1 != y)
		1172	{
822	x -= x1;	1173	x -= x1;
823	y -= y1;	1174	y -= y1;
824	}	1175	}
825		1176
826	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1177	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
827	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1178	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
828	dx = old_width - R->szHint.width;	1179	dx = old_width - szHint.width;
829	dy = old_height - R->szHint.height;	1180	dy = old_height - szHint.height;
830		1181
831	/* Check position of the center of the window */	1182	/* Check position of the center of the window */
832	if (x < x1) /* left half */	1183	if (x < x1) /* left half */
833	dx = 0;	1184	dx = 0;
834	else if (x == x1) /* exact center */	1185	else if (x == x1) /* exact center */
835	dx /= 2;	1186	dx /= 2;
836	if (y < y1) /* top half */	1187	if (y < y1) /* top half */
837	dy = 0;	1188	dy = 0;
838	else if (y == y1) /* exact center */	1189	else if (y == y1) /* exact center */
839	dy /= 2;	1190	dy /= 2;
840		1191
841	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1192	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
842	R->szHint.width, R->szHint.height);	1193	szHint.width, szHint.height);
843	#else	1194	#else
844	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1195	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
845	R->szHint.height);
846	#endif	1196	#endif
847	}	1197	}
848		1198
849	fix_screen = (R->TermWin.ncol != R->prev_ncol	1199	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
850	|| R->TermWin.nrow != R->prev_nrow);	1200
851	if (fix_screen || width != R->old_width || height != R->old_height) {	1201	if (fix_screen || newwidth != old_width || newheight != old_height)
852	if (scrollbar_visible(R)) {	1202	{
		1203	if (scrollBar.state)
		1204	{
853	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1205	XMoveResizeWindow (disp, scrollBar.win,
		1206	window_sb_x, 0,
854	0, scrollbar_TotalWidth(), R->szHint.height);	1207	scrollbar_TotalWidth (), szHint.height);
855	rxvt_Resize_scrollBar(aR);	1208	resize_scrollbar ();
856	}	1209	}
857	if (menubar_visible(R))	1210
858	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1211	XMoveResizeWindow (disp, vt,
859	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1212	window_vt_x, window_vt_y,
860	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
861	R->window_vt_y, TermWin_TotalWidth(),
862	TermWin_TotalHeight());	1213	width, height);
863	#ifdef RXVT_GRAPHICS	1214
864	if (R->old_height)
865	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
866	R->old_height - R->szHint.base_height);
867	#endif
868	rxvt_scr_clear(aR);	1215	scr_clear ();
869	#ifdef XPM_BACKGROUND	1216	#ifdef XPM_BACKGROUND
870	rxvt_resize_pixmap(aR);	1217	resize_pixmap ();
871	#endif	1218	#endif
872	}	1219	}
873		1220
874	if (fix_screen || R->old_height == 0) {	1221	if (fix_screen || old_height == 0)
		1222	{
875	int curr_screen = -1;	1223	int curr_screen = -1;
876	uint16_t old_ncol = R->prev_ncol;	1224	int old_ncol = prev_ncol;
877		1225
878	/* scr_reset only works on the primary screen */	1226	/* scr_reset only works on the primary screen */
879	if (R->old_height) /* this is not the first time through */	1227	if (old_height) /* this is not the first time through */
		1228	{
		1229	unsigned int ocol = ncol;
		1230	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
880	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1231	curr_screen = scr_change_screen (PRIMARY);
881	rxvt_scr_reset(aR);	1232	ncol = ocol;
882	if (curr_screen >= 0) { /* this is not the first time through */
883	rxvt_scr_change_screen(aR_ curr_screen);
884	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
885	}	1233	}
886	}
887		1234
		1235	scr_reset ();
		1236
		1237	if (curr_screen >= 0) /* this is not the first time through */
		1238	{
		1239	scr_change_screen (curr_screen);
		1240	selection_check (old_ncol != ncol ? 4 : 0);
		1241	}
		1242	}
		1243
888	R->old_width = R->szHint.width;	1244	old_width = szHint.width;
889	R->old_height = R->szHint.height;	1245	old_height = szHint.height;
		1246
		1247	#ifdef XPM_BACKGROUND
		1248	if (pixmap)
		1249	scr_touch (false);
		1250	#endif
890		1251
891	#ifdef USE_XIM	1252	#ifdef USE_XIM
892	rxvt_IMSetStatusPosition(aR);	1253	IMSetStatusPosition ();
893	#endif	1254	#endif
894	}	1255	}
895		1256
896	/*	1257	/*
897	* Set the width/height of the vt window in characters. Units are pixels.	1258	* Set the width/height of the vt window in characters. Units are pixels.
898	* good for toggling 80/132 columns	1259	* good for toggling 80/132 columns
899	*/	1260	*/
900	/* EXTPROTO */
901	void	1261	void
902	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1262	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
903	{	1263	{
904	XWindowAttributes wattr;	1264	XWindowAttributes wattr;
905		1265
906	if (width == 0 || height == 0) {	1266	if (newwidth == 0 || newheight == 0)
		1267	{
907	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1268	XGetWindowAttributes (display->display, display->root, &wattr);
		1269
908	if (width == 0)	1270	if (newwidth == 0)
909	width = wattr.width - R->szHint.base_width;	1271	newwidth = wattr.width - szHint.base_width;
910	if (height == 0)	1272	if (newheight == 0)
911	height = wattr.height - R->szHint.base_height;	1273	newheight = wattr.height - szHint.base_height;
		1274	}
		1275
		1276	if (newwidth != width || newheight != height)
912	}	1277	{
913	if (width != R->TermWin.width || height != R->TermWin.height) {
914	width += R->szHint.base_width;	1278	newwidth += szHint.base_width;
915	height += R->szHint.base_height;	1279	newheight += szHint.base_height;
916	rxvt_resize_all_windows(aR_ width, height, 0);	1280	resize_all_windows (newwidth, newheight, 0);
917	}	1281	}
918	}	1282	}
919		1283
920	/* -------------------------------------------------------------------- *	1284	/* -------------------------------------------------------------------- *
921	* - X INPUT METHOD ROUTINES - *	1285	* - X INPUT METHOD ROUTINES - *
922	* -------------------------------------------------------------------- */	1286	* -------------------------------------------------------------------- */
923	#ifdef USE_XIM	1287	#ifdef USE_XIM
924	/* INTPROTO */
925	void
926	rxvt_setSize(pR_ XRectangle * size)
927	{
928	size->x = R->TermWin.int_bwidth;
929	size->y = R->TermWin.int_bwidth;
930	size->width = Width2Pixel(R->TermWin.ncol);
931	size->height = Height2Pixel(R->TermWin.nrow);
932	}
933		1288
934	/* INTPROTO */
935	void	1289	void
936	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1290	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
937	{	1291	{
938	*fg = R->PixColors[Color_fg];	1292	fg = pix_colors[Color_fg];
939	*bg = R->PixColors[Color_bg];	1293	bg = pix_colors[Color_bg];
		1294	}
		1295
		1296	void
		1297	rxvt_term::im_set_size (XRectangle &size)
		1298	{
		1299	// the int_bwidth terms make no sense to me
		1300	size.x = int_bwidth;
		1301	size.y = int_bwidth;
		1302	size.width = Width2Pixel (ncol) + int_bwidth;
		1303	size.height = Height2Pixel (nrow) + int_bwidth;
		1304	}
		1305
		1306	void
		1307	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1308	XRectangle &status_rect,
		1309	const XRectangle &needed_rect)
		1310	{
		1311	preedit_rect.x = needed_rect.width;
		1312	preedit_rect.y = 0;
		1313	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1314	preedit_rect.height = fheight;
		1315
		1316	status_rect.x = 0;
		1317	status_rect.y = 0;
		1318	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1319	status_rect.height = fheight;
940	}	1320	}
941		1321
942	/* Checking whether input method is running. */	1322	/* Checking whether input method is running. */
943	/* INTPROTO */
944	Bool	1323	bool
945	rxvt_IMisRunning(pR)	1324	rxvt_term::IMisRunning ()
946	{	1325	{
947	char *p;	1326	char *p;
948	Atom atom;	1327	Atom atom;
949	Window win;	1328	Window win;
950	char server[IMBUFSIZ];	1329	char server[IMBUFSIZ];
951		1330
952	/* get current locale modifier */	1331	/* get current locale modifier */
953	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1332	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1333	{
954	STRCPY(server, "@server=");	1334	strcpy (server, "@server=");
955	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1335	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1336
956	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1337	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
957	*p = '\0';	1338	*p = '\0';
958		1339
959	atom = XInternAtom(R->Xdisplay, server, False);	1340	atom = XInternAtom (display->display, server, False);
960	win = XGetSelectionOwner(R->Xdisplay, atom);	1341	win = XGetSelectionOwner (display->display, atom);
		1342
961	if (win != None)	1343	if (win != None)
962	return True;	1344	return True;
963	}	1345	}
		1346
964	return False;	1347	return False;
965	}	1348	}
966		1349
967	/* EXTPROTO */
968	void	1350	void
969	rxvt_IMSendSpot(pR)	1351	rxvt_term::IMSendSpot ()
970	{	1352	{
971	XPoint spot;	1353	XPoint nspot;
972	XVaNestedList preedit_attr;	1354	XVaNestedList preedit_attr;
973		1355
974	if (R->Input_Context == NULL	1356	if (!Input_Context
		1357	|| !focus
975	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1358	|| !(input_style & XIMPreeditPosition))
976	|| !(R->event_type == KeyPress
977	|| R->event_type == Expose
978	|| R->event_type == NoExpose
979	|| R->event_type == SelectionNotify
980	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
981	|| !rxvt_IMisRunning(aR))
982	return;	1359	return;
983		1360
984	rxvt_setPosition(aR_ & spot);	1361	im_set_position (nspot);
985		1362
		1363	if (nspot.x == spot.x && nspot.y == spot.y)
		1364	return;
		1365
		1366	spot = nspot;
		1367
986	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1368	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
987	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1369	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
988	XFree(preedit_attr);	1370	XFree (preedit_attr);
989	}	1371	}
990		1372
991	/* EXTPROTO */
992	void	1373	void
993	rxvt_setTermFontSet(pR_ int idx)	1374	rxvt_term::im_destroy ()
994	{	1375	{
995	char *string;	1376	if (input_method)
996	long length;
997	int success = 0;
998
999	if (idx < 0 || idx >= MAX_NFONTS)
1000	return;
1001	}
1002
1003	/* INTPROTO */
1004	void
1005	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1006	XRectangle * needed_rect)
1007	{
1008	int mbh, vtx = 0;
1009
1010	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1011	vtx = scrollbar_TotalWidth();
1012	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1013	mbh -= R->TermWin.lineSpace;
1014
1015	preedit_rect->x = needed_rect->width + vtx;
1016	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1017
1018	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1019	+ vtx;
1020	preedit_rect->height = Height2Pixel(1);
1021
1022	status_rect->x = vtx;
1023	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1024
1025	status_rect->width = needed_rect->width ? needed_rect->width
1026	: Width2Pixel(R->TermWin.ncol + 1);
1027	status_rect->height = Height2Pixel(1);
1028	}
1029
1030	/* ARGSUSED */
1031	/* INTPROTO */
1032	void
1033	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1034	__attribute__ ((unused)), XPointer call_data
1035	__attribute__ ((unused)))
1036	{
1037	dR;
1038
1039	R->Input_Context = NULL;
1040	/* To avoid Segmentation Fault in C locale: Solaris only? */
1041	if (STRCMP(R->locale, "C"))
1042	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1043	rxvt_IMInstantiateCallback, NULL);
1044	}
1045
1046	/*
1047	* X manual pages and include files don't match on some systems:
1048	* some think this is an XIDProc and others an XIMProc so we can't
1049	* use the first argument - need to update this to be nice for
1050	* both types via some sort of configure detection
1051	*/
1052	/* ARGSUSED */
1053	/* EXTPROTO */
1054	void
1055	rxvt_IMInstantiateCallback(Display * unused
1056	__attribute__ ((unused)), XPointer client_data
1057	__attribute__ ((unused)), XPointer call_data
1058	__attribute__ ((unused)))
1059	{
1060	dR;
1061	int i, found, had_im;
1062	const char *p;
1063	char **s;
1064	char buf[IMBUFSIZ];
1065
1066	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1067	if (R->Input_Context)
1068	return;
1069
1070	found = had_im = 0;
1071	p = R->rs[Rs_inputMethod];
1072	if (p && *p) {
1073	had_im = 1;
1074	s = rxvt_splitcommastring(p);
1075	for (i = 0; s[i]; i++) {
1076	if (*s[i]) {
1077	STRCPY(buf, "@im=");
1078	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1079	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1080	&& (rxvt_IM_get_IC(aR) == True)) {
1081	found = 1;
1082	break;
1083	}
1084	}
1085	}
1086	for (i = 0; s[i]; i++)
1087	free(s[i]);
1088	free(s);
1089	}	1377	{
1090	if (found)	1378	if (Input_Context && input_method->xim)
1091	return;	1379	XDestroyIC (Input_Context);
1092		1380
1093	/* try with XMODIFIERS env. var. */	1381	display->put_xim (input_method);
1094	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1382	input_method = 0;
1095	rxvt_IM_get_IC(aR);
1096	return;
1097	}	1383	}
1098		1384
1099	/* try with no modifiers base IF the user didn't specify an IM */	1385	Input_Context = 0;
1100	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1101	&& rxvt_IM_get_IC(aR) == True)
1102	return;
1103	}	1386	}
1104		1387
1105	/*	1388	/*
1106	* Try to open a XIM with the current modifiers, then see if we can	1389	* Try to open a XIM with the current modifiers, then see if we can
1107	* open a suitable preedit type	1390	* open a suitable preedit type
1108	*/	1391	*/
1109	/* INTPROTO */
1110	Bool	1392	bool
1111	rxvt_IM_get_IC(pR)	1393	rxvt_term::IM_get_IC (const char *modifiers)
1112	{	1394	{
1113	int i, j, found;	1395	int i, j, found;
1114	XIM xim;	1396	XIM xim;
1115	XPoint spot;	1397	XPoint spot;
1116	XRectangle rect, status_rect, needed_rect;	1398	XRectangle rect, status_rect, needed_rect;
1117	unsigned long fg, bg;	1399	unsigned long fg, bg;
1118	const char *p;	1400	const char *p;
1119	char **s;	1401	char **s;
1120	XIMStyles *xim_styles;	1402	XIMStyles *xim_styles;
1121	XVaNestedList preedit_attr, status_attr;
1122	XIMCallback ximcallback;
1123		1403
		1404	set_environ (envv);
		1405
		1406	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1407	return false;
		1408
1124	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1409	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1125	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1410	input_method = display->get_xim (locale, modifiers);
1126	if (xim == NULL)	1411	if (input_method == NULL)
1127	return False;	1412	return false;
1128		1413
		1414	xim = input_method->xim;
		1415	spot.x = spot.y = -1;
		1416
1129	xim_styles = NULL;	1417	xim_styles = NULL;
1130	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1418	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1131	|| !xim_styles || !xim_styles->count_styles) {	1419	|| !xim_styles || !xim_styles->count_styles)
1132	XCloseIM(xim);	1420	{
		1421	im_destroy ();
1133	return False;	1422	return false;
		1423	}
		1424
		1425	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1426
		1427	for (int pi = 0; pi < 2; pi++)
1134	}	1428	{
		1429	p = pet[pi];
1135		1430
1136	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1431	if (!p)
1137	: "OverTheSpot,OffTheSpot,Root";	1432	continue;
		1433
1138	s = rxvt_splitcommastring(p);	1434	s = rxvt_splitcommastring (p);
		1435
1139	for (i = found = 0; !found && s[i]; i++) {	1436	for (i = found = 0; !found && s[i]; i++)
		1437	{
1140	if (!STRCMP(s[i], "OverTheSpot"))	1438	if (!strcmp (s[i], "OverTheSpot"))
1141	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1439	input_style = (XIMPreeditPosition | XIMStatusNothing);
1142	else if (!STRCMP(s[i], "OffTheSpot"))	1440	else if (!strcmp (s[i], "OffTheSpot"))
1143	R->input_style = (XIMPreeditArea | XIMStatusArea);	1441	input_style = (XIMPreeditArea | XIMStatusArea);
1144	else if (!STRCMP(s[i], "Root"))	1442	else if (!strcmp (s[i], "Root"))
1145	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1443	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1444	else if (!strcmp (s[i], "None"))
		1445	input_style = (XIMPreeditNone | XIMStatusNone);
1146		1446
1147	for (j = 0; j < xim_styles->count_styles; j++)	1447	for (j = 0; j < xim_styles->count_styles; j++)
1148	if (R->input_style == xim_styles->supported_styles[j]) {	1448	if (input_style == xim_styles->supported_styles[j])
		1449	{
		1450	rxvt_freecommastring (s);
		1451
1149	found = 1;	1452	found = 1;
		1453	goto foundpet;
		1454	}
		1455
		1456	}
		1457
		1458	rxvt_freecommastring (s);
		1459	}
		1460
		1461	foundpet:
		1462
		1463	XFree (xim_styles);
		1464
		1465	if (!found)
		1466	{
		1467	im_destroy ();
		1468	return false;
		1469	}
		1470
		1471	XFontSet fs = 0;
		1472	XVaNestedList preedit_attr = 0, status_attr = 0;
		1473
		1474	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1475	{
		1476	// fake us a font-set, please
		1477	char **missing_charset_list;
		1478	int missing_charset_count;
		1479	char *def_string;
		1480	char pat[512];
		1481
		1482	sprintf (pat,
		1483	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1484	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1485	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1486	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1487	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1488	"*",
		1489	fheight,
		1490	fheight + 1, fheight - 1,
		1491	fheight - 2, fheight + 2);
		1492
		1493	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1494	&missing_charset_list, &missing_charset_count, &def_string);
		1495
		1496	if (missing_charset_list)
		1497	XFreeStringList (missing_charset_list);
		1498
		1499	if (!fs)
		1500	{
		1501	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1502	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1503	}
		1504	}
		1505
		1506	if (input_style & XIMPreeditPosition)
		1507	{
		1508	im_set_size (rect);
		1509	im_set_position (spot);
		1510	im_set_color (fg, bg);
		1511
		1512	preedit_attr = XVaCreateNestedList (0,
		1513	XNForeground, fg,
		1514	XNBackground, bg,
		1515	XNArea, &rect,
		1516	XNSpotLocation, &spot,
		1517	XNFontSet, fs,
		1518	NULL);
		1519	}
		1520	else if (input_style & XIMPreeditArea)
		1521	{
		1522	im_set_color (fg, bg);
		1523
		1524	/*
		1525	* The necessary width of preedit area is unknown
		1526	* until create input context.
		1527	*/
		1528	needed_rect.width = 0;
		1529	im_set_preedit_area (rect, status_rect, needed_rect);
		1530
		1531	preedit_attr = XVaCreateNestedList (0,
		1532	XNForeground, fg,
		1533	XNBackground, bg,
		1534	XNArea, &rect,
		1535	XNFontSet, fs,
		1536	NULL);
		1537	status_attr = XVaCreateNestedList (0,
		1538	XNForeground, fg,
		1539	XNBackground, bg,
		1540	XNArea, &status_rect,
		1541	XNFontSet, fs,
		1542	NULL);
		1543	}
		1544
		1545	Input_Context = XCreateIC (xim,
		1546	XNInputStyle, input_style,
		1547	XNClientWindow, vt,
		1548	XNFocusWindow, parent[0],
		1549	preedit_attr ? XNPreeditAttributes : NULL,
		1550	preedit_attr,
		1551	status_attr ? XNStatusAttributes : NULL,
		1552	status_attr, NULL);
		1553
		1554	if (preedit_attr) XFree (preedit_attr);
		1555	if (status_attr) XFree (status_attr);
		1556	if (fs) XFreeFontSet (display->display, fs);
		1557
		1558	if (Input_Context == NULL)
		1559	{
		1560	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1561	im_destroy ();
		1562	return false;
		1563	}
		1564
		1565	if (input_style & XIMPreeditArea)
		1566	IMSetStatusPosition ();
		1567
		1568	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
		1569	return true;
		1570	}
		1571
		1572	void
		1573	rxvt_term::im_cb ()
		1574	{
		1575	int i;
		1576	const char *p;
		1577	char **s;
		1578	char buf[IMBUFSIZ];
		1579
		1580	make_current ();
		1581
		1582	im_destroy ();
		1583
		1584	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
		1585	if (Input_Context)
		1586	return;
		1587
		1588	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1589	if (rs[Rs_imLocale])
		1590	SET_LOCALE (rs[Rs_imLocale]);
		1591	#endif
		1592
		1593	p = rs[Rs_inputMethod];
		1594	if (p && *p)
		1595	{
		1596	bool found = false;
		1597
		1598	s = rxvt_splitcommastring (p);
		1599
		1600	for (i = 0; s[i]; i++)
		1601	{
		1602	if (*s[i])
		1603	{
		1604	strcpy (buf, "@im=");
		1605	strncat (buf, s[i], IMBUFSIZ - 5);
		1606	if (IM_get_IC (buf))
		1607	{
		1608	found = true;
1150	break;	1609	break;
		1610	}
1151	}	1611	}
1152	}	1612	}
1153	for (i = 0; s[i]; i++)
1154	free(s[i]);
1155	free(s);
1156	XFree(xim_styles);
1157		1613
		1614	rxvt_freecommastring (s);
		1615
1158	if (!found) {	1616	if (found)
1159	XCloseIM(xim);	1617	goto done;
1160	return False;
1161	}	1618	}
1162		1619
1163	ximcallback.callback = rxvt_IMDestroyCallback;	1620	/* try with XMODIFIERS env. var. */
		1621	if (IM_get_IC (""))
		1622	goto done;
1164		1623
1165	/* XXX: not sure why we need this (as well as IC one below) */	1624	/* try with no modifiers base IF the user didn't specify an IM */
1166	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1625	if (IM_get_IC ("@im=none"))
		1626	goto done;
1167		1627
1168	preedit_attr = status_attr = NULL;	1628	done:
1169		1629	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1170	if (R->input_style & XIMPreeditPosition) {	1630	if (rs[Rs_imLocale])
1171	rxvt_setSize(aR_ & rect);	1631	SET_LOCALE (locale);
1172	rxvt_setPosition(aR_ & spot);	1632	#endif
1173	rxvt_setColor(aR_ & fg, &bg);
1174
1175	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1176	XNSpotLocation, &spot,
1177	XNForeground, fg, XNBackground, bg,
1178	//XNFontSet, R->TermWin.fontset,
1179	NULL);
1180	} else if (R->input_style & XIMPreeditArea) {
1181	rxvt_setColor(aR_ & fg, &bg);
1182
1183	/*
1184	* The necessary width of preedit area is unknown
1185	* until create input context.
1186	*/
1187	needed_rect.width = 0;
1188
1189	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1190
1191	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1192	XNForeground, fg, XNBackground, bg,
1193	//XNFontSet, R->TermWin.fontset,
1194	NULL);
1195	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1196	XNForeground, fg, XNBackground, bg,
1197	//XNFontSet, R->TermWin.fontset,
1198	NULL);
1199	}
1200	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1201	XNClientWindow, R->TermWin.parent[0],
1202	XNFocusWindow, R->TermWin.parent[0],
1203	XNDestroyCallback, &ximcallback,
1204	preedit_attr ? XNPreeditAttributes : NULL,
1205	preedit_attr,
1206	status_attr ? XNStatusAttributes : NULL,
1207	status_attr, NULL);
1208	if (preedit_attr)
1209	XFree(preedit_attr);
1210	if (status_attr)
1211	XFree(status_attr);
1212	if (R->Input_Context == NULL) {
1213	rxvt_print_error("failed to create input context");
1214	XCloseIM(xim);
1215	return False;
1216	}
1217	if (R->input_style & XIMPreeditArea)
1218	rxvt_IMSetStatusPosition(aR);
1219	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1220	return True;
1221	}	1633	}
1222		1634
1223	/* EXTPROTO */
1224	void	1635	void
1225	rxvt_IMSetStatusPosition(pR)	1636	rxvt_term::IMSetStatusPosition ()
1226	{	1637	{
1227	XRectangle preedit_rect, status_rect, *needed_rect;	1638	XRectangle preedit_rect, status_rect, *needed_rect;
1228	XVaNestedList preedit_attr, status_attr;	1639	XVaNestedList preedit_attr, status_attr;
1229		1640
1230	if (R->Input_Context == NULL	1641	if (!Input_Context
		1642	|| !focus
1231	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1643	|| !(input_style & XIMPreeditArea)
1232	|| !rxvt_IMisRunning(aR))	1644	|| !IMisRunning ())
1233	return;	1645	return;
1234		1646
1235	/* Getting the necessary width of preedit area */	1647	/* Getting the necessary width of preedit area */
1236	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1648	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1237	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1649	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1238	XFree(status_attr);	1650	XFree (status_attr);
1239		1651
1240	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1652	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1653	XFree (needed_rect);
1241		1654
1242	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1655	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1243	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1656	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1244		1657
1245	XSetICValues(R->Input_Context,	1658	XSetICValues (Input_Context,
1246	XNPreeditAttributes, preedit_attr,	1659	XNPreeditAttributes, preedit_attr,
1247	XNStatusAttributes, status_attr, NULL);	1660	XNStatusAttributes, status_attr, NULL);
1248		1661
1249	XFree(preedit_attr);	1662	XFree (preedit_attr);
1250	XFree(status_attr);	1663	XFree (status_attr);
1251	}	1664	}
1252	#endif /* USE_XIM */	1665	#endif /* USE_XIM */
1253		1666
1254	/*----------------------------------------------------------------------*/	1667	/*----------------------------------------------------------------------*/
1255	rxvt_t rxvt_current_term;	1668	rxvt_t rxvt_current_term;

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