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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.4 by pcg, Tue Nov 25 15:25:17 2003 UTC vs.
Revision 1.177 by root, Mon Jan 16 06:37:52 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.4 2003/11/25 15:25:17 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2006 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	void
		95	rxvt_term::make_current () const
		96	{
		97	SET_R (this);
		98	rxvt_set_locale (locale);
		99	set_environ (envv);
		100	}
		101
		102	#if ENABLE_COMBINING
		103	class rxvt_composite_vec rxvt_composite;
		104
		105	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		106	{
		107	compose_char *cc;
		108
		109	// break compose chains, as stupid readline really likes to duplicate
		110	// composing characters for some reason near the end of a line.
		111	cc = (*this)[c1];
		112	while (cc)
		113	{
		114	if (cc->c2 == c2) return c1;
		115	cc = (*this)[cc->c1];
		116	}
		117
		118	// check to see wether this combination already exists otherwise
		119	for (cc = v.end (); cc-- > v.begin (); )
		120	{
		121	if (cc->c1 == c1 && cc->c2 == c2)
		122	return COMPOSE_LO + (cc - v.begin ());
		123	}
		124
		125	// allocate a new combination
		126	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		127	{
		128	static int seen;
		129
		130	if (!seen++)
		131	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		132
		133	return REPLACEMENT_CHAR;
		134	}
		135
		136	v.push_back (compose_char (c1, c2));
		137
		138	return v.size () - 1 + COMPOSE_LO;
		139	}
		140
		141	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		142	{
		143	compose_char *cc = (*this)[c];
		144
		145	if (!cc)
		146	{
		147	if (r) *r = c;
		148	return 1;
		149	}
		150
		151	int len = expand (cc->c1, r);
		152
		153	if (r) r += len;
		154
		155	if (cc->c2 != NOCHAR)
		156	{
		157	len++;
		158	if (r) *r++ = cc->c2;
		159	}
		160
53	return p;	161	return len;
54	}
55		162
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	163	}
		164	#endif
61		165
62	rxvt_term::rxvt_term ()	166	rxvt_term::rxvt_term ()
		167	:
		168	#if TRANSPARENT
		169	rootwin_ev (this, &rxvt_term::rootwin_cb),
		170	#endif
		171	#ifdef HAVE_SCROLLBARS
		172	scrollbar_ev (this, &rxvt_term::x_cb),
		173	#endif
		174	#ifdef MENUBAR
		175	menubar_ev (this, &rxvt_term::x_cb),
		176	#endif
		177	#ifdef CURSOR_BLINK
		178	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		179	#endif
		180	#ifdef TEXT_BLINK
		181	text_blink_ev (this, &rxvt_term::text_blink_cb),
		182	#endif
		183	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		184	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		185	#endif
		186	#ifdef SELECTION_SCROLLING
		187	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		188	#endif
		189	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		190	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
		191	#endif
		192	#ifdef POINTER_BLANK
		193	pointer_ev (this, &rxvt_term::pointer_cb),
		194	#endif
		195	#ifdef USE_XIM
		196	im_ev (this, &rxvt_term::im_cb),
		197	#endif
		198	termwin_ev (this, &rxvt_term::x_cb),
		199	vt_ev (this, &rxvt_term::x_cb),
		200	check_ev (this, &rxvt_term::check_cb),
		201	flush_ev (this, &rxvt_term::flush_cb),
		202	destroy_ev (this, &rxvt_term::destroy_cb),
63	: pty_ev(this, &rxvt_term::pty_cb),	203	pty_ev (this, &rxvt_term::pty_cb),
64	x_ev (this, &rxvt_term::x_cb)	204	incr_ev (this, &rxvt_term::incr_cb)
65	{	205	{
66	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	206	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		207
		208	termlist.push_back (this);
		209
		210	#ifdef KEYSYM_RESOURCE
		211	keyboard = new keyboard_manager;
		212
		213	if (!keyboard)
		214	rxvt_fatal ("out of memory, aborting.\n");
		215	#endif
		216	}
		217
		218	// clean up the most important stuff, do *not* call x or free mem etc.
		219	// for use before an emergency exit
		220	void rxvt_term::emergency_cleanup ()
		221	{
		222	if (cmd_pid)
		223	kill (-cmd_pid, SIGHUP);
		224
		225	#ifdef UTMP_SUPPORT
		226	privileged_utmp (RESTORE);
		227	#endif
		228
		229	pty.put ();
67	}	230	}
68		231
69	rxvt_term::~rxvt_term ()	232	rxvt_term::~rxvt_term ()
70	{	233	{
71	delete PixColors;	234	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		235
		236	termlist.erase (find (termlist.begin (), termlist.end(), this));
		237
		238	emergency_cleanup ();
		239
		240	#if ENABLE_STYLES
		241	for (int i = RS_styleCount; --i; )
		242	if (fontset[i] != fontset[0])
		243	delete fontset[i];
		244	#endif
		245	delete fontset[0];
		246
		247	if (display)
		248	{
		249	dDisp;
		250
		251	selection_clear ();
		252
		253	#ifdef USE_XIM
		254	im_destroy ();
		255	#endif
		256	#ifdef MENUBAR
		257	if (menubarGC) XFreeGC (disp, menubarGC);
		258	#endif
		259	#ifdef XTERM_SCROLLBAR
		260	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
		261	if (ShadowGC) XFreeGC (disp, ShadowGC);
		262	#endif
		263	#ifdef PLAIN_SCROLLBAR
		264	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		265	#endif
		266	#ifdef NEXT_SCROLLBAR
		267	if (blackGC) XFreeGC (disp, blackGC);
		268	if (whiteGC) XFreeGC (disp, whiteGC);
		269	if (grayGC) XFreeGC (disp, grayGC);
		270	if (darkGC) XFreeGC (disp, darkGC);
		271	if (stippleGC) XFreeGC (disp, stippleGC);
		272	if (dimple) XFreePixmap (disp, dimple);
		273	if (upArrow) XFreePixmap (disp, upArrow);
		274	if (downArrow) XFreePixmap (disp, downArrow);
		275	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		276	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		277	#endif
		278	#if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
		279	if (topShadowGC) XFreeGC (disp, topShadowGC);
		280	if (botShadowGC) XFreeGC (disp, botShadowGC);
		281	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		282	#endif
		283	if (gc) XFreeGC (disp, gc);
		284
		285	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
		286	delete menuBar.drawable;
		287	//if (menuBar.win)
		288	// XDestroyWindow (disp, menuBar.win);
		289	#endif
		290	delete drawable;
		291	// destroy all windows
		292	if (parent[0])
		293	XDestroyWindow (disp, parent[0]);
		294	}
		295
		296	// TODO: free pixcolours, colours should become part of rxvt_display
		297	delete pix_colors_focused;
		298	#if OFF_FOCUS_FADING
		299	delete pix_colors_unfocused;
		300	#endif
		301
		302	displays.put (display);
		303
		304	scr_release ();
		305
		306	/* clear all resources */
		307	for (int i = 0; i < allocated.size (); i++)
		308	free (allocated [i]);
		309
		310	free (selection.text);
		311	// TODO: manage env vars in child only(!)
		312	free (env_windowid);
		313	free (env_display);
		314	free (env_term);
		315	free (env_colorfgbg);
		316	free (locale);
		317	free (v_buffer);
		318	free (incr_buf);
		319
		320	delete envv;
		321	delete argv;
		322
		323	#ifdef KEYSYM_RESOURCE
		324	delete keyboard;
		325	#endif
		326	}
		327
		328	void
		329	rxvt_term::child_exit ()
		330	{
		331	cmd_pid = 0;
		332
		333	if (!OPTION (Opt_hold))
		334	destroy ();
		335	}
		336
		337	void
		338	rxvt_term::destroy ()
		339	{
		340	if (destroy_ev.active)
		341	return;
		342
		343	#if ENABLE_OVERLAY
		344	scr_overlay_off ();
		345	#endif
		346
		347	if (display)
		348	{
		349	#if USE_XIM
		350	im_ev.stop (display);
		351	#endif
		352	#if HAVE_SCROLLBARS
		353	scrollbar_ev.stop (display);
		354	#endif
		355	#if MENUBAR
		356	menubar_ev.stop (display);
		357	#endif
		358	#if TRANSPARENT
		359	rootwin_ev.stop (display);
		360	#endif
		361	incr_ev.stop ();
		362	termwin_ev.stop (display);
		363	vt_ev.stop (display);
		364	}
		365
		366	check_ev.stop ();
		367	pty_ev.stop ();
		368	#ifdef CURSOR_BLINK
		369	cursor_blink_ev.stop ();
		370	#endif
		371	#ifdef TEXT_BLINK
		372	text_blink_ev.stop ();
		373	#endif
		374	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		375	cont_scroll_ev.stop ();
		376	#endif
		377	#ifdef SELECTION_SCROLLING
		378	sel_scroll_ev.stop ();
		379	#endif
		380	#ifdef POINTER_BLANK
		381	pointer_ev.stop ();
		382	#endif
		383
		384	destroy_ev.start (0);
		385	}
		386
		387	void
		388	rxvt_term::destroy_cb (time_watcher &w)
		389	{
		390	make_current ();
		391
		392	delete this;
72	}	393	}
73		394
74	/*----------------------------------------------------------------------*/	395	/*----------------------------------------------------------------------*/
75	/* rxvt_init() */	396	/*
76	/* LIBPROTO */	397	* Exit gracefully, clearing the utmp entry and restoring tty attributes
77	rxvt_t	398	* TODO: if debugging, this should free up any known resources if we can
78	rxvt_init(int argc, const char *const *argv)	399	*/
79	{	400	static XErrorHandler old_xerror_handler;
80	SET_R(new rxvt_term);
81	dR;
82		401
83	if (!R->init_vars () || !R->init (argc, argv))	402	static void
		403	rxvt_emergency_cleanup ()
		404	{
		405	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		406	(*t)->emergency_cleanup ();
		407	}
		408
		409	#if ENABLE_FRILLS
		410	static void
		411	print_x_error (Display *dpy, XErrorEvent *event)
		412	{
		413	char buffer[BUFSIZ];
		414	char mesg[BUFSIZ];
		415	char number[32];
		416	char *mtype = "XlibMessage";
		417	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		418	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		419	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		420	rxvt_warn ("%s: %s\n", mesg, buffer);
		421	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		422	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		423	sprintf(number, "%d", event->request_code);
		424	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		425	rxvt_warn ("(which is %s)\n", buffer);
		426	if (event->request_code >= 128) {
		427	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		428	mesg, BUFSIZ);
		429	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
84	{	430	}
85	delete R;	431	if ((event->error_code == BadWindow) ||
86	return NULL;	432	(event->error_code == BadPixmap) ||
		433	(event->error_code == BadCursor) ||
		434	(event->error_code == BadFont) ||
		435	(event->error_code == BadDrawable) ||
		436	(event->error_code == BadColor) ||
		437	(event->error_code == BadGC) ||
		438	(event->error_code == BadIDChoice) ||
		439	(event->error_code == BadValue) ||
		440	(event->error_code == BadAtom)) {
		441	if (event->error_code == BadValue)
		442	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		443	mesg, BUFSIZ);
		444	else if (event->error_code == BadAtom)
		445	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		446	mesg, BUFSIZ);
		447	else
		448	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		449	mesg, BUFSIZ);
		450	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		451	}
		452	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		453	mesg, BUFSIZ);
		454	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		455	}
		456	#endif
		457
		458	int
		459	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		460	{
		461	if (GET_R->allowedxerror == -1)
		462	GET_R->allowedxerror = event->error_code;
		463	else
87	}	464	{
		465	// GET_R is most likely not the terminal which caused the error,
		466	// so just output the error and continue
		467	#if ENABLE_FRILLS
		468	print_x_error (display, event);
		469	#else
		470	old_xerror_handler (display, event);
		471	#endif
		472	}
88		473
89	return R;	474	return 0;
90	}	475	}
91		476
		477	int
		478	rxvt_xioerror_handler (Display *display)
		479	{
		480	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		481	DisplayString (display));
		482	rxvt_emergency_cleanup ();
		483	_exit (EXIT_FAILURE);
		484	}
		485
		486	/*----------------------------------------------------------------------*/
92	bool	487	bool
93	rxvt_term::init (int argc, const char *const *argv)	488	rxvt_term::init (int argc, const char *const *argv)
94	{	489	{
95	dR;//TODO (scrollbar, setidle)	490	SET_R (this);
		491	set_locale ("");
		492	set_environ (envv); // few things in X do not call setlocale :(
		493
		494	if (!init_vars ())
		495	return false;
		496
		497	init_secondary ();
		498
		499	const char **cmd_argv = init_resources (argc, argv);
		500
		501	#ifdef KEYSYM_RESOURCE
		502	keyboard->register_done ();
		503	#endif
		504
		505	#if MENUBAR_MAX
		506	menubar_read (rs[Rs_menu]);
		507	#endif
		508	#ifdef HAVE_SCROLLBARS
		509	if (OPTION (Opt_scrollBar))
		510	scrollBar.setIdle (); /* set existence for size calculations */
		511	#endif
		512
		513	#if ENABLE_PERL
		514	if (!rs[Rs_perl_ext_1])
		515	rs[Rs_perl_ext_1] = "default";
		516
		517	if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
		518	|| (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
		519	|| (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
		520	{
		521	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
		522	// ignore some perl-related arguments if some bozo installed us set[ug]id
		523	if (rxvt_tainted ())
		524	{
		525	if ((rs[Rs_perl_lib] && *rs[Rs_perl_lib])
		526	|| (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
		527	{
		528	rxvt_warn ("running with elevated privileges: ignoring perl-lib and perl-eval.\n");
		529	rs[Rs_perl_lib] = 0;
		530	rs[Rs_perl_eval] = 0;
		531	}
		532	}
		533	#endif
		534	rxvt_perl.init ();
		535	setlocale (LC_CTYPE, curlocale); // perl init destroys current locale
		536	HOOK_INVOKE ((this, HOOK_INIT, DT_END));
		537	}
		538	#endif
		539
		540	create_windows (argc, argv);
		541
		542	dDisp;
		543
		544	init_xlocale ();
		545
		546	scr_reset (); // initialize screen
		547
		548	#if 0
		549	XSynchronize (disp, True);
		550	#endif
		551
		552	#ifdef HAVE_SCROLLBARS
		553	if (OPTION (Opt_scrollBar))
		554	resize_scrollbar (); /* create and map scrollbar */
		555	#endif
		556	#if (MENUBAR_MAX)
		557	if (menubar_visible ())
		558	XMapWindow (disp, menuBar.win);
		559	#endif
		560	#ifdef TRANSPARENT
		561	if (OPTION (Opt_transparent))
		562	{
		563	XSelectInput (disp, display->root, PropertyChangeMask);
		564	check_our_parents ();
		565	rootwin_ev.start (display, display->root);
		566	}
		567	#endif
		568
		569	XMapWindow (disp, vt);
		570	XMapWindow (disp, parent[0]);
		571
		572	set_colorfgbg ();
		573
		574	init_command (cmd_argv);
		575
		576	free (cmd_argv);
		577
		578	if (pty.pty >= 0)
		579	pty_ev.start (pty.pty, EVENT_READ);
		580
		581	check_ev.start ();
		582
		583	HOOK_INVOKE ((this, HOOK_START, DT_END));
		584
		585	return true;
		586	}
		587
		588	static struct sig_handlers
		589	{
		590	sig_watcher sw_chld, sw_term, sw_int;
		591
		592	void sig_chld (sig_watcher &w)
		593	{
		594	// we are being called for every SIGCHLD, find the corresponding term
		595	int pid;
		596
		597	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
		598	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		599	if (pid == (*t)->cmd_pid)
		600	{
		601	(*t)->child_exit ();
		602	break;
		603	}
		604	}
		605
		606	/*
		607	* Catch a fatal signal and tidy up before quitting
		608	*/
		609	void
		610	sig_term (sig_watcher &w)
		611	{
		612	#ifdef DEBUG_CMD
		613	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		614	#endif
		615	rxvt_emergency_cleanup ();
		616	signal (w.signum, SIG_DFL);
		617	kill (getpid (), w.signum);
		618	}
		619
		620	sig_handlers ()
		621	: sw_chld (this, &sig_handlers::sig_chld),
		622	sw_term (this, &sig_handlers::sig_term),
		623	sw_int (this, &sig_handlers::sig_term)
		624	{
		625	}
		626	} sig_handlers;
		627
		628	char **rxvt_environ; // startup environment
		629
		630	void
		631	rxvt_init ()
		632	{
		633	rxvt_environ = environ;
96		634
97	/*	635	/*
98	* Save and then give up any super-user privileges	636	* Save and then give up any super-user privileges
99	* If we need privileges in any area then we must specifically request it.	637	* If we need privileges in any area then we must specifically request it.
100	* We should only need to be root in these cases:	638	* We should only need to be root in these cases:
101	* 1. write utmp entries on some systems	639	* 1. write utmp entries on some systems
102	* 2. chown tty on some systems	640	* 2. chown tty on some systems
103	*/	641	*/
104	rxvt_privileges (this, SAVE);	642	rxvt_privileges (SAVE);
105	rxvt_privileges (this, IGNORE);	643	rxvt_privileges (IGNORE);
106		644
107	rxvt_init_secondary (this);	645	signal (SIGHUP, SIG_IGN);
		646	signal (SIGPIPE, SIG_IGN);
108		647
109	const char **cmd_argv = rxvt_init_resources (this, argc, argv);	648	sig_handlers.sw_chld.start (SIGCHLD);
		649	sig_handlers.sw_term.start (SIGTERM);
		650	sig_handlers.sw_int.start (SIGINT);
110		651
111	#if (MENUBAR_MAX)	652	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
112	rxvt_menubar_read (this, rs[Rs_menu]);	653	/* signal (SIGURG, SIG_DFL); */
113	#endif
114	#ifdef HAVE_SCROLLBARS
115	if (Options & Opt_scrollBar)
116	scrollbar_setIdle (); /* set existence for size calculations */
117	#endif
118		654
119	rxvt_Create_Windows (this, argc, argv);
120
121	rxvt_init_xlocale (this);
122
123	rxvt_scr_reset (this); /* initialize screen */
124	#ifdef RXVT_GRAPHICS
125	rxvt_Gr_reset (this); /* reset graphics */
126	#endif
127
128	#if 0
129	#ifdef DEBUG_X
130	XSynchronize(Xdisplay, True);
131	XSetErrorHandler((XErrorHandler) abort);
132	#else
133	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);	655	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
134	#endif	656	// TODO: handle this with exceptions and tolerate the memory loss
135	#endif	657	XSetIOErrorHandler (rxvt_xioerror_handler);
136		658
137	#ifdef HAVE_SCROLLBARS	659	XrmInitialize ();
138	if (Options & Opt_scrollBar)
139	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
140	#endif
141	#if (MENUBAR_MAX)
142	if (menubar_visible(r))
143	XMapWindow (Xdisplay, menuBar.win);
144	#endif
145	#ifdef TRANSPARENT
146	if (Options & Opt_transparent)
147	{
148	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
149	rxvt_check_our_parents (this);
150	}
151	#endif
152	XMapWindow (Xdisplay, TermWin.vt);
153	XMapWindow (Xdisplay, TermWin.parent[0]);
154
155	rxvt_init_env (this);
156	rxvt_init_command (this, cmd_argv);
157
158	x_ev.start (Xfd, EVENT_READ);
159	pty_ev.start (cmd_fd, EVENT_READ);
160
161	return true;
162	}
163
164	/* ------------------------------------------------------------------------- *
165	* SIGNAL HANDLING & EXIT HANDLER *
166	* ------------------------------------------------------------------------- */
167	/*
168	* Catch a SIGCHLD signal and exit if the direct child has died
169	*/
170	/* ARGSUSED */
171	/* EXTPROTO */
172	RETSIGTYPE
173	rxvt_Child_signal(int sig __attribute__ ((unused)))
174	{
175	dR;
176	int pid, save_errno = errno;
177
178	do {
179	errno = 0;
180	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
181
182	if (pid == R->cmd_pid)
183	exit(EXIT_SUCCESS);
184
185	errno = save_errno;
186	signal(SIGCHLD, rxvt_Child_signal);
187	}
188
189	/*
190	* Catch a fatal signal and tidy up before quitting
191	*/
192	/* EXTPROTO */
193	RETSIGTYPE
194	rxvt_Exit_signal(int sig)
195	{
196	signal(sig, SIG_DFL);
197	#ifdef DEBUG_CMD
198	rxvt_print_error("signal %d", sig);
199	#endif
200	rxvt_clean_exit();
201	kill(getpid(), sig);
202	}
203
204	/* ARGSUSED */
205	/* INTPROTO */
206	int
207	rxvt_xerror_handler(const Display * display
208	__attribute__ ((unused)), const XErrorEvent * event)
209	{
210	dR;
211
212	if (R->allowedxerror == -1) {
213	R->allowedxerror = event->error_code;
214	return 0; /* ignored anyway */
215	}
216	rxvt_print_error("XError: Request: %d . %d, Error: %d",
217	event->request_code, event->minor_code,
218	event->error_code);
219	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
220	exit(EXIT_FAILURE);
221	/* NOTREACHED */
222	}
223
224	/*----------------------------------------------------------------------*/
225	/*
226	* Exit gracefully, clearing the utmp entry and restoring tty attributes
227	* TODO: if debugging, this should free up any known resources if we can
228	*/
229	/* EXTPROTO */
230	void
231	rxvt_clean_exit(void)
232	{
233	dR;
234
235	#ifdef DEBUG_SCREEN
236	rxvt_scr_release(aR);
237	#endif
238	#ifndef NO_SETOWNER_TTYDEV
239	rxvt_privileged_ttydev(aR_ RESTORE);
240	#endif
241	#ifdef UTMP_SUPPORT
242	rxvt_privileged_utmp(aR_ RESTORE);
243	#endif
244	#ifdef USE_XIM
245	if (R->Input_Context != NULL) {
246	XDestroyIC(R->Input_Context);
247	R->Input_Context = NULL;
248	}
249	#endif
250	}	660	}
251		661
252	/* ------------------------------------------------------------------------- *	662	/* ------------------------------------------------------------------------- *
253	* MEMORY ALLOCATION WRAPPERS *	663	* MEMORY ALLOCATION WRAPPERS *
254	* ------------------------------------------------------------------------- */	664	* ------------------------------------------------------------------------- */
255	/* EXTPROTO */	665	void *
		666	rxvt_malloc (size_t size)
		667	{
		668	void *p = malloc (size);
		669
		670	if (!p)
		671	rxvt_fatal ("memory allocation failure. aborting.\n");
		672
		673	return p;
		674	}
		675
		676	void *
		677	rxvt_calloc (size_t number, size_t size)
		678	{
		679	void *p = calloc (number, size);
		680
		681	if (!p)
		682	rxvt_fatal ("memory allocation failure. aborting.\n");
		683
		684	return p;
		685	}
		686
256	void *	687	void *
257	rxvt_malloc(size_t size)
258	{
259	void *p;
260
261	p = malloc(size);
262	if (p)
263	return p;
264
265	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
266	rxvt_clean_exit();
267	exit(EXIT_FAILURE);
268	/* NOTREACHED */
269	}
270
271	/* EXTPROTO */
272	void *
273	rxvt_calloc(size_t number, size_t size)
274	{
275	void *p;
276
277	p = calloc(number, size);
278	if (p)
279	return p;
280
281	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
282	rxvt_clean_exit();
283	exit(EXIT_FAILURE);
284	/* NOTREACHED */
285	}
286
287	/* EXTPROTO */
288	void *
289	rxvt_realloc(void *ptr, size_t size)	688	rxvt_realloc (void *ptr, size_t size)
290	{	689	{
291	void *p;
292
293	if (ptr)
294	p = realloc(ptr, size);	690	void *p = realloc (ptr, size);
295	else	691
296	p = malloc(size);
297	if (p)	692	if (!p)
		693	rxvt_fatal ("memory allocation failure. aborting.\n");
		694
298	return p;	695	return p;
299
300	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
301	rxvt_clean_exit();
302	exit(EXIT_FAILURE);
303	/* NOTREACHED */
304	}	696	}
305		697
306	/* ------------------------------------------------------------------------- *	698	/* ------------------------------------------------------------------------- *
307	* PRIVILEGED OPERATIONS *	699	* PRIVILEGED OPERATIONS *
308	* ------------------------------------------------------------------------- */	700	* ------------------------------------------------------------------------- */
309	/* take care of suid/sgid super-user (root) privileges */	701	/* take care of suid/sgid super-user (root) privileges */
310	/* INTPROTO */
311	void	702	void
312	rxvt_privileges(pR_ int mode)	703	rxvt_privileges (rxvt_privaction action)
313	{	704	{
314	#if ! defined(__CYGWIN32__)	705	#if ! defined(__CYGWIN32__)
315	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	706	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
316	/* setreuid() is the poor man's setuid(), seteuid() */	707	/* setreuid () is the poor man's setuid (), seteuid () */
317	# define seteuid(a) setreuid(-1, (a))	708	# define seteuid(a) setreuid(-1, (a))
318	# define setegid(a) setregid(-1, (a))	709	# define setegid(a) setregid(-1, (a))
319	# define HAVE_SETEUID	710	# define HAVE_SETEUID
320	# endif	711	# endif
321	# ifdef HAVE_SETEUID	712	# ifdef HAVE_SETEUID
322	switch (mode) {	713	switch (action)
		714	{
323	case IGNORE:	715	case IGNORE:
324	/*	716	/*
325	* change effective uid/gid - not real uid/gid - so we can switch	717	* change effective uid/gid - not real uid/gid - so we can switch
326	* back to root later, as required	718	* back to root later, as required
327	*/	719	*/
328	seteuid(getuid());
329	setegid(getgid());	720	setegid (getgid ());
		721	seteuid (getuid ());
330	break;	722	break;
331	case SAVE:	723	case SAVE:
332	R->euid = geteuid();
333	R->egid = getegid();	724	saved_egid = getegid ();
		725	saved_euid = geteuid ();
334	break;	726	break;
335	case RESTORE:	727	case RESTORE:
336	seteuid(R->euid);
337	setegid(R->egid);	728	setegid (saved_egid);
		729	seteuid (saved_euid);
338	break;	730	break;
339	}	731	}
340	# else	732	# else
341	switch (mode) {	733	switch (action)
		734	{
342	case IGNORE:	735	case IGNORE:
343	setuid(getuid());
344	setgid(getgid());	736	setgid (getgid ());
		737	setuid (getuid ());
345	/* FALLTHROUGH */	738	/* FALLTHROUGH */
346	case SAVE:	739	case SAVE:
347	/* FALLTHROUGH */	740	/* FALLTHROUGH */
348	case RESTORE:	741	case RESTORE:
349	break;	742	break;
350	}	743	}
351	# endif	744	# endif
352	#endif	745	#endif
353	}	746	}
354		747
355	#ifdef UTMP_SUPPORT	748	#ifdef UTMP_SUPPORT
356	/* EXTPROTO */
357	void	749	void
358	rxvt_privileged_utmp(pR_ char action)	750	rxvt_term::privileged_utmp (rxvt_privaction action)
359	{	751	{
360	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",	752	if (OPTION (Opt_utmpInhibit)
361	action, R->next_utmp_action, getpid()));	753	|| !pty.name || !*pty.name)
362	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
363	|| (R->Options & Opt_utmpInhibit)
364	|| R->ttydev == NULL || *R->ttydev == '\0')
365	return;	754	return;
366		755
367	rxvt_privileges(aR_ RESTORE);	756	rxvt_privileges (RESTORE);
		757
368	if (action == SAVE) {	758	if (action == SAVE)
369	R->next_utmp_action = RESTORE;	759	makeutent (pty.name, rs[Rs_display_name]);
370	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	760	else
371	} else { /* action == RESTORE */	761	cleanutent ();
372	R->next_utmp_action = IGNORE;	762
373	rxvt_cleanutent(aR);
374	}
375	rxvt_privileges(aR_ IGNORE);	763	rxvt_privileges (IGNORE);
376	}
377	#endif
378
379	#ifndef NO_SETOWNER_TTYDEV
380	/* EXTPROTO */
381	void
382	rxvt_privileged_ttydev(pR_ char action)
383	{
384	D_MAIN((stderr,
385	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
386	action, R->next_tty_action, getpid()));
387	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
388	|| R->ttydev == NULL || *R->ttydev == '\0')
389	return;
390
391	rxvt_privileges(aR_ RESTORE);
392
393	if (action == SAVE) {
394	R->next_tty_action = RESTORE;
395	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
396	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
397	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
398	R->next_tty_action = IGNORE;
399	else
400	# endif
401	{
402	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
403	chmod(R->ttydev, R->ttymode);
404	# ifdef HAVE_REVOKE
405	revoke(R->ttydev);
406	# endif
407	}
408	} else { /* action == RESTORE */
409	R->next_tty_action = IGNORE;
410	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
411	chmod(R->ttydev, R->ttyfd_stat.st_mode);
412	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
413	# else
414	chmod(R->ttydev,
415	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
416	chown(R->ttydev, 0, 0);
417	# endif
418	}
419
420	rxvt_privileges(aR_ IGNORE);
421
422	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
423	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
424	action == RESTORE ? "Restoring" : (action ==
425	SAVE ? "Saving" :
426	"UNKNOWN ERROR for"), R->ttydev,
427	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
428	R->ttyfd_stat.st_gid));
429	# endif
430	}	764	}
431	#endif	765	#endif
432		766
433	/*----------------------------------------------------------------------*/	767	/*----------------------------------------------------------------------*/
434	/*	768	/*
435	* window size/position calculcations for XSizeHint and other storage.	769	* window size/position calculcations for XSizeHint and other storage.
436	* if width/height are non-zero then override calculated width/height	770	* if width/height are non-zero then override calculated width/height
437	*/	771	*/
438	/* EXTPROTO */
439	void	772	void
440	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	773	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
441	{	774	{
442	short recalc_x, recalc_y;	775	short recalc_x, recalc_y;
443	int x, y, sb_w, mb_h, flags;	776	int x, y, sb_w, mb_h, flags;
444	unsigned int w, h;	777	unsigned int w, h;
445	unsigned int max_width, max_height;	778	unsigned int max_width, max_height;
		779	dDisp;
446		780
447	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	781	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
448	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	782	ncol, nrow, szHint.width, szHint.height));
449	R->szHint.height));	783
450	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	784	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
451	R->szHint.win_gravity = NorthWestGravity;	785	szHint.win_gravity = NorthWestGravity;
452	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	786	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
453		787
454	recalc_x = recalc_y = 0;	788	recalc_x = recalc_y = 0;
455	flags = 0;	789	flags = 0;
		790
456	if (!R->parsed_geometry) {	791	if (!parsed_geometry)
		792	{
457	R->parsed_geometry = 1;	793	parsed_geometry = 1;
		794
458	if (R->rs[Rs_geometry])	795	if (rs[Rs_geometry])
459	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	796	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		797
460	if (flags & WidthValue) {	798	if (flags & WidthValue)
461	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	799	{
		800	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
462	R->szHint.flags |= USSize;	801	szHint.flags |= USSize;
463	}	802	}
		803
464	if (flags & HeightValue) {	804	if (flags & HeightValue)
465	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	805	{
		806	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
466	R->szHint.flags |= USSize;	807	szHint.flags |= USSize;
467	}	808	}
		809
468	if (flags & XValue) {	810	if (flags & XValue)
		811	{
469	R->szHint.x = x;	812	szHint.x = x;
470	R->szHint.flags |= USPosition;	813	szHint.flags |= USPosition;
		814
471	if (flags & XNegative) {	815	if (flags & XNegative)
		816	{
472	recalc_x = 1;	817	recalc_x = 1;
473	R->szHint.win_gravity = NorthEastGravity;	818	szHint.win_gravity = NorthEastGravity;
474	}	819	}
475	}	820	}
		821
476	if (flags & YValue) {	822	if (flags & YValue)
		823	{
477	R->szHint.y = y;	824	szHint.y = y;
478	R->szHint.flags |= USPosition;	825	szHint.flags |= USPosition;
		826
479	if (flags & YNegative) {	827	if (flags & YNegative)
		828	{
480	recalc_y = 1;	829	recalc_y = 1;
		830
481	if (R->szHint.win_gravity == NorthEastGravity)	831	if (szHint.win_gravity == NorthEastGravity)
482	R->szHint.win_gravity = SouthEastGravity;	832	szHint.win_gravity = SouthEastGravity;
483	else	833	else
484	R->szHint.win_gravity = SouthWestGravity;	834	szHint.win_gravity = SouthWestGravity;
485	}	835	}
486	}	836	}
487	}	837	}
		838
488	/* TODO: BOUNDS */	839	/* TODO: BOUNDS */
489	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	840	width = ncol * fwidth;
490	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	841	height = nrow * fheight;
491	max_width = MAX_COLS * R->TermWin.fwidth;	842	max_width = MAX_COLS * fwidth;
492	max_height = MAX_ROWS * R->TermWin.fheight;	843	max_height = MAX_ROWS * fheight;
493		844
494	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	845	szHint.base_width = szHint.base_height = 2 * int_bwidth;
495		846
496	sb_w = mb_h = 0;	847	sb_w = mb_h = 0;
497	R->window_vt_x = R->window_vt_y = 0;	848	window_vt_x = window_vt_y = int_bwidth;
		849
498	if (scrollbar_visible(R)) {	850	if (scrollbar_visible ())
		851	{
499	sb_w = scrollbar_TotalWidth();	852	sb_w = scrollbar_TotalWidth ();
500	R->szHint.base_width += sb_w;	853	szHint.base_width += sb_w;
501	if (!(R->Options & Opt_scrollBar_right))	854	if (!OPTION (Opt_scrollBar_right))
502	R->window_vt_x = sb_w;	855	window_vt_x += sb_w;
503	}	856	}
		857
504	if (menubar_visible(R)) {	858	if (menubar_visible ())
		859	{
505	mb_h = menuBar_TotalHeight();	860	mb_h = menuBar_TotalHeight ();
506	R->szHint.base_height += mb_h;	861	szHint.base_height += mb_h;
507	R->window_vt_y = mb_h;	862	window_vt_y += mb_h;
508	}	863	}
		864
509	R->szHint.width_inc = R->TermWin.fwidth;	865	szHint.width_inc = fwidth;
510	R->szHint.height_inc = R->TermWin.fheight;	866	szHint.height_inc = fheight;
511	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	867	szHint.min_width = szHint.base_width + szHint.width_inc;
512	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	868	szHint.min_height = szHint.base_height + szHint.height_inc;
513		869
514	if (width && width - R->szHint.base_width < max_width) {	870	if (newwidth && newwidth - szHint.base_width < max_width)
		871	{
515	R->szHint.width = width;	872	szHint.width = newwidth;
516	R->TermWin.width = width - R->szHint.base_width;	873	width = newwidth - szHint.base_width;
517	} else {	874	}
518	MIN_IT(R->TermWin.width, max_width);	875	else
		876	{
		877	min_it (width, max_width);
519	R->szHint.width = R->szHint.base_width + R->TermWin.width;	878	szHint.width = szHint.base_width + width;
520	}	879	}
		880
521	if (height && height - R->szHint.base_height < max_height) {	881	if (newheight && newheight - szHint.base_height < max_height)
		882	{
522	R->szHint.height = height;	883	szHint.height = newheight;
523	R->TermWin.height = height - R->szHint.base_height;	884	height = newheight - szHint.base_height;
524	} else {	885	}
525	MIN_IT(R->TermWin.height, max_height);	886	else
		887	{
		888	min_it (height, max_height);
526	R->szHint.height = R->szHint.base_height + R->TermWin.height;	889	szHint.height = szHint.base_height + height;
527	}	890	}
		891
528	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	892	if (scrollbar_visible () && OPTION (Opt_scrollBar_right))
529	R->window_sb_x = R->szHint.width - sb_w;	893	window_sb_x = szHint.width - sb_w;
530		894
531	if (recalc_x)	895	if (recalc_x)
532	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	896	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
533	- R->szHint.width - 2 * R->TermWin.ext_bwidth);
534	if (recalc_y)	897	if (recalc_y)
535	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	898	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
536	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
537		899
538	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	900	ncol = width / fwidth;
539	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	901	nrow = height / fheight;
540	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	902	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
541	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	903	ncol, nrow, szHint.width,
542	R->szHint.height));	904	szHint.height));
543	return;	905	return;
544	}	906	}
545		907
546	/*----------------------------------------------------------------------*/	908	/*----------------------------------------------------------------------*/
547	/*	909	/*
548	* Tell the teletype handler what size the window is.	910	* Tell the teletype handler what size the window is.
549	* Called after a window size change.	911	* Called after a window size change.
550	*/	912	*/
551	/* EXTPROTO */
552	void	913	void
553	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	914	rxvt_term::tt_winch ()
554	{	915	{
		916	if (pty.pty < 0)
		917	return;
		918
555	struct winsize ws;	919	struct winsize ws;
556		920
557	if (fd < 0)
558	return;
559	ws.ws_col = col;	921	ws.ws_col = ncol;
560	ws.ws_row = row;	922	ws.ws_row = nrow;
561	ws.ws_xpixel = ws.ws_ypixel = 0;	923	ws.ws_xpixel = width;
562	#ifndef DEBUG_SIZE	924	ws.ws_ypixel = height;
563	(void)ioctl(fd, TIOCSWINSZ, &ws);	925	(void)ioctl (pty.pty, TIOCSWINSZ, &ws);
564	#else	926
565	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	927	#if 0
566	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	928	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
567	}
568	# ifdef SIGWINCH
569	else if (pid) /* force through to the command */	929	if (cmd_pid) /* force through to the command */
570	kill(pid, SIGWINCH);	930	kill (-cmd_pid, SIGWINCH);
571	# endif
572	#endif	931	#endif
573	}	932	}
574		933
575	/*----------------------------------------------------------------------*/	934	/*----------------------------------------------------------------------*/
576	/* rxvt_change_font() - Switch to a new font */	935	/* set_fonts () - load and set the various fonts
577	/*	936	*
578	* init = 1 - initialize	937	* init = 1 - initialize
579	*	938	*
580	* fontname == FONT_UP - switch to bigger font	939	* fontname == FONT_UP - switch to bigger font
581	* fontname == FONT_DN - switch to smaller font	940	* fontname == FONT_DN - switch to smaller font
582	*/	941	*/
583	/* EXTPROTO */	942	bool
584	void	943	rxvt_term::set_fonts ()
585	rxvt_change_font(pR_ int init, const char *fontname)
586	{	944	{
587	}	945	rxvt_fontset *fs = new rxvt_fontset (this);
		946	rxvt_fontprop prop;
588		947
589	/* INTPROTO */	948	if (!fs
590	void	949	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
591	rxvt_font_up_down(pR_ int n, int direction)	950	|| !fs->realize_font (1))
		951	{
		952	delete fs;
		953	return false;
		954	}
		955
		956	#if ENABLE_STYLES
		957	for (int i = RS_styleCount; --i; )
		958	if (fontset[i] != fontset[0])
		959	delete fontset[i];
		960	#endif
		961
		962	delete fontset[0];
		963	fontset[0] = fs;
		964
		965	prop = (*fs)[1]->properties ();
		966	prop.height += lineSpace;
		967	fs->set_prop (prop);
		968
		969	fwidth = prop.width;
		970	fheight = prop.height;
		971	fbase = prop.ascent;
		972
		973	for (int style = 1; style < 4; style++)
		974	{
		975	#if ENABLE_STYLES
		976	const char *res = rs[Rs_font + style];
		977
		978	if (res && !*res)
		979	fontset[style] = fontset[0];
		980	else
		981	{
		982	fontset[style] = fs = new rxvt_fontset (this);
		983	rxvt_fontprop prop2 = prop;
		984
		985	if (res)
		986	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		987	else
		988	{
		989	res = fontset[0]->fontdesc;
		990
		991	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		992	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		993	}
		994
		995	fs->populate (res);
		996	fs->set_prop (prop2);
		997	}
		998	#else
		999	fontset[style] = fontset[0];
		1000	#endif
		1001	}
		1002
		1003	if (parent[0])
		1004	{
		1005	resize_all_windows (0, 0, 0);
		1006	scr_remap_chars ();
		1007	scr_touch (true);
		1008	}
		1009
		1010	return true;
		1011	}
		1012
		1013	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
592	{	1014	{
		1015	XChangeProperty (display->display, parent[0],
		1016	prop, XA_STRING, 8, PropModeReplace,
		1017	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		1018	}
		1019
		1020	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		1021	{
		1022	wchar_t *ws = rxvt_mbstowcs (str, len);
		1023	char *s = rxvt_wcstoutf8 (ws);
		1024
		1025	XChangeProperty (display->display, parent[0],
		1026	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		1027	(const unsigned char *)s, strlen (s));
		1028
		1029	free (s);
		1030	free (ws);
593	}	1031	}
594		1032
595	/*----------------------------------------------------------------------*/	1033	/*----------------------------------------------------------------------*/
596	/*----------------------------------------------------------------------*/	1034	/*----------------------------------------------------------------------*/
597	/* xterm sequences - title, iconName, color (exptl) */	1035	/* xterm sequences - title, iconName, color (exptl) */
598	/* EXTPROTO */
599	void	1036	void
600	rxvt_set_title(pR_ const char *str)	1037	rxvt_term::set_title (const char *str)
601	{	1038	{
602	#ifndef SMART_WINDOW_TITLE	1039	set_string_property (XA_WM_NAME, str);
603	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	1040	#if ENABLE_EWMH
		1041	set_utf8_property (xa[XA_NET_WM_NAME], str);
		1042	#endif
		1043	}
		1044
		1045	void
		1046	rxvt_term::set_icon_name (const char *str)
		1047	{
		1048	set_string_property (XA_WM_ICON_NAME, str);
		1049	#if ENABLE_EWMH
		1050	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		1051	#endif
		1052	}
		1053
		1054	#ifdef XTERM_COLOR_CHANGE
		1055	void
		1056	rxvt_term::set_window_color (int idx, const char *color)
		1057	{
		1058	rxvt_color xcol;
		1059	int i;
		1060
		1061	if (color == NULL || *color == '\0')
		1062	return;
		1063
		1064	/* handle color aliases */
		1065	if (isdigit (*color))
		1066	{
		1067	i = atoi (color);
		1068
		1069	if (i >= 8 && i <= 15)
		1070	{ /* bright colors */
		1071	i -= 8;
		1072	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		1073	SET_PIXCOLOR (idx);
		1074	goto done;
		1075	}
		1076
		1077	if (i >= 0 && i <= 7)
		1078	{ /* normal colors */
		1079	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		1080	SET_PIXCOLOR (idx);
		1081	goto done;
		1082	}
		1083	}
		1084
		1085	if (!rXParseAllocColor (&xcol, color))
		1086	return;
		1087
		1088	/* XStoreColor (display->display, display->cmap, XColor*); */
		1089
		1090	/*
		1091	* FIXME: should free colors here, but no idea how to do it so instead,
		1092	* so just keep gobbling up the colormap
		1093	*/
		1094	# if 0
		1095	for (i = Color_Black; i <= Color_White; i++)
		1096	if (pix_colors[idx] == pix_colors[i])
		1097	break;
		1098	if (i > Color_White)
		1099	{
		1100	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		1101	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		1102	DisplayPlanes (display->display, display->screen));
		1103	}
		1104	# endif
		1105
		1106	pix_colors_focused[idx] = xcol;
		1107	SET_PIXCOLOR (idx);
		1108
		1109	/* XSetWindowAttributes attr; */
		1110	/* Cursor cursor; */
		1111	done:
		1112
		1113	#if OFF_FOCUS_FADING
		1114	if (rs[Rs_fade])
		1115	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		1116	#endif
		1117
		1118	/*TODO: handle Color_BD, scrollbar background, etc. */
		1119
		1120	recolour_cursor ();
		1121	scr_recolour ();
		1122	}
		1123
604	#else	1124	#else
605	char *name;
606
607	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
608	name = NULL;
609	if (name == NULL || STRCMP(name, str))
610	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
611	if (name)
612	XFree(name);
613	#endif
614	}
615
616	/* EXTPROTO */
617	void
618	rxvt_set_iconName(pR_ const char *str)
619	{
620	#ifndef SMART_WINDOW_TITLE
621	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
622	#else
623	char *name;
624
625	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
626	name = NULL;
627	if (name == NULL || STRCMP(name, str))
628	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
629	if (name)
630	XFree(name);
631	#endif
632	}
633
634	#ifdef XTERM_COLOR_CHANGE
635	/* EXTPROTO */
636	void
637	rxvt_set_window_color(pR_ int idx, const char *color)
638	{
639	rxvt_color xcol;
640	int i;
641
642	if (color == NULL || *color == '\0')
643	return;
644
645	/* handle color aliases */
646	if (isdigit(*color)) {
647	i = atoi(color);
648	if (i >= 8 && i <= 15) { /* bright colors */
649	i -= 8;
650	# ifndef NO_BRIGHTCOLOR
651	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
652	SET_PIXCOLOR(R, idx);
653	goto Done;
654	# endif
655	}
656	if (i >= 0 && i <= 7) { /* normal colors */
657	R->PixColors[idx] = R->PixColors[minCOLOR + i];
658	SET_PIXCOLOR(R, idx);
659	goto Done;
660	}
661	}
662	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
663	return;
664	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
665
666	/*
667	* FIXME: should free colors here, but no idea how to do it so instead,
668	* so just keep gobbling up the colormap
669	*/
670	# if 0
671	for (i = Color_Black; i <= Color_White; i++)
672	if (R->PixColors[idx] == R->PixColors[i])
673	break;
674	if (i > Color_White) {
675	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
676	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
677	DisplayPlanes(R->Xdisplay, Xscreen));
678	}
679	# endif
680
681	R->PixColors[idx] = xcol;
682	SET_PIXCOLOR(R, idx);
683
684	/* XSetWindowAttributes attr; */
685	/* Cursor cursor; */
686	Done:
687	if (idx == Color_bg && !(R->Options & Opt_transparent))
688	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
689	R->PixColors[Color_bg]);
690
691	/* handle Color_BD, scrollbar background, etc. */
692
693	rxvt_set_colorfgbg(aR);
694	rxvt_recolour_cursor(aR);
695	/* the only reasonable way to enforce a clean update */
696	rxvt_scr_poweron(aR);
697	}
698
699	#else
700	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	1125	# define set_window_color (idx,color) ((void)0)
701	#endif /* XTERM_COLOR_CHANGE */	1126	#endif /* XTERM_COLOR_CHANGE */
702		1127
703	/* EXTPROTO */
704	void	1128	void
705	rxvt_recolour_cursor(pR)	1129	rxvt_term::recolour_cursor ()
706	{	1130	{
707	rxvt_color xcol[2];	1131	XColor xcol[2];
708		1132
709	#if TODO	1133	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
710	xcol[0] = R->PixColors[Color_pointer];	1134	? pix_colors_focused[Color_pointer_fg]
711	xcol[1] = R->PixColors[Color_bg];	1135	: pix_colors_focused[Color_fg];
712	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	1136	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1137	? pix_colors_focused[Color_pointer_bg]
		1138	: pix_colors_focused[Color_bg];
		1139
		1140	XQueryColors (display->display, display->cmap, xcol, 2);
713	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1141	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
714	#endif
715	}	1142	}
716		1143
717	/*----------------------------------------------------------------------*/	1144	/*----------------------------------------------------------------------*/
718	/*	1145	/*
719	* find if fg/bg matches any of the normal (low-intensity) colors	1146	* find if fg/bg matches any of the normal (low-intensity) colors
720	*/	1147	*/
721	/* INTPROTO */
722	void	1148	void
723	rxvt_set_colorfgbg(pR)	1149	rxvt_term::set_colorfgbg ()
724	{	1150	{
725	unsigned int i;	1151	unsigned int i;
726	const char *xpmb = "\0";	1152	const char *xpmb = "\0";
727	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1153	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
728		1154
729	R->env_colorfgbg =
730	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1155	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
731	STRCPY(fstr, "default");	1156	strcpy (fstr, "default");
732	STRCPY(bstr, "default");	1157	strcpy (bstr, "default");
733	for (i = Color_Black; i <= Color_White; i++)	1158	for (i = Color_Black; i <= Color_White; i++)
734	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1159	if (pix_colors[Color_fg] == pix_colors[i])
		1160	{
735	sprintf(fstr, "%d", (i - Color_Black));	1161	sprintf (fstr, "%d", (i - Color_Black));
736	break;	1162	break;
737	}	1163	}
		1164
738	for (i = Color_Black; i <= Color_White; i++)	1165	for (i = Color_Black; i <= Color_White; i++)
739	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1166	if (pix_colors[Color_bg] == pix_colors[i])
		1167	{
740	sprintf(bstr, "%d", (i - Color_Black));	1168	sprintf (bstr, "%d", (i - Color_Black));
741	#ifdef XPM_BACKGROUND	1169	#ifdef XPM_BACKGROUND
742	xpmb = "default;";	1170	xpmb = "default;";
743	#endif	1171	#endif
744	break;	1172	break;
745	}	1173	}
		1174
746	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1175	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
747	putenv(R->env_colorfgbg);
748
749	#ifndef NO_BRIGHTCOLOR
750	R->colorfgbg = DEFAULT_RSTYLE;
751	for (i = minCOLOR; i <= maxCOLOR; i++) {
752	if (R->PixColors[Color_fg] == R->PixColors[i])
753	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
754	if (R->PixColors[Color_bg] == R->PixColors[i])
755	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
756	}
757	#endif
758	}	1176	}
759		1177
760	/*----------------------------------------------------------------------*/	1178	/*----------------------------------------------------------------------*/
761	/*
762	* Colour determination for low colour displays, routine from
763	* Hans de Goede <hans@highrise.nl>
764	*/
765		1179
766	/* EXTPROTO */
767	int	1180	int
768	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1181	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
769	{	1182	{
770	screen_in_out->set(aR_ colour);
771
772	if (!screen_in_out->set(aR_ colour)) {	1183	if (!screen_in_out->set (display, colour))
773	rxvt_print_error("can't allocate colour: %s", colour);	1184	{
		1185	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
774	return false;	1186	return false;
775	}	1187	}
776		1188
777	return true;	1189	return true;
778	}	1190	}
779		1191
780	/* -------------------------------------------------------------------- *	1192	/* -------------------------------------------------------------------- *
781	* - WINDOW RESIZING - *	1193	* - WINDOW RESIZING - *
782	* -------------------------------------------------------------------- */	1194	* -------------------------------------------------------------------- */
783	/* EXTPROTO */
784	void	1195	void
785	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1196	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
786	int ignoreparent)
787	{	1197	{
788	int fix_screen;	1198	int fix_screen;
		1199	int old_width = szHint.width, old_height = szHint.height;
		1200	dDisp;
789		1201
		1202	window_calc (newwidth, newheight);
		1203	XSetWMNormalHints (disp, parent[0], &szHint);
		1204
		1205	if (!ignoreparent)
		1206	{
790	#ifdef SMART_RESIZE	1207	#ifdef SMART_RESIZE
791	int old_width = R->szHint.width, old_height = R->szHint.height;	1208	/*
792	#endif
793
794	rxvt_window_calc(aR_ width, height);
795	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
796	if (!ignoreparent) {
797	#ifdef SMART_RESIZE
798	/*
799	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1209	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
800	* reposition window on resize depending on placement on screen	1210	* reposition window on resize depending on placement on screen
801	*/	1211	*/
802	int x, y, x1, y1;	1212	int x, y, x1, y1;
803	int dx, dy;	1213	int dx, dy;
804	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1214	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
805	Window unused_cr;	1215	Window unused_cr;
806		1216
807	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1217	XTranslateCoordinates (disp, parent[0], display->root,
808	0, 0, &x, &y, &unused_cr);	1218	0, 0, &x, &y, &unused_cr);
809	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1219	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
810	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1220	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
811	/*	1221	/*
812	* if Xroot isn't the parent window, a WM will probably have offset	1222	* if display->root isn't the parent window, a WM will probably have offset
813	* our position for handles and decorations. Counter it	1223	* our position for handles and decorations. Counter it
814	*/	1224	*/
815	if (x1 != x || y1 != y) {	1225	if (x1 != x || y1 != y)
		1226	{
816	x -= x1;	1227	x -= x1;
817	y -= y1;	1228	y -= y1;
818	}	1229	}
819		1230
820	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1231	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
821	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1232	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
822	dx = old_width - R->szHint.width;	1233	dx = old_width - szHint.width;
823	dy = old_height - R->szHint.height;	1234	dy = old_height - szHint.height;
824		1235
825	/* Check position of the center of the window */	1236	/* Check position of the center of the window */
826	if (x < x1) /* left half */	1237	if (x < x1) /* left half */
827	dx = 0;	1238	dx = 0;
828	else if (x == x1) /* exact center */	1239	else if (x == x1) /* exact center */
829	dx /= 2;	1240	dx /= 2;
830	if (y < y1) /* top half */	1241	if (y < y1) /* top half */
831	dy = 0;	1242	dy = 0;
832	else if (y == y1) /* exact center */	1243	else if (y == y1) /* exact center */
833	dy /= 2;	1244	dy /= 2;
834		1245
835	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1246	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
836	R->szHint.width, R->szHint.height);	1247	szHint.width, szHint.height);
837	#else	1248	#else
838	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1249	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
839	R->szHint.height);
840	#endif	1250	#endif
841	}	1251	}
842		1252
843	fix_screen = (R->TermWin.ncol != R->prev_ncol	1253	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
844	|| R->TermWin.nrow != R->prev_nrow);	1254
845	if (fix_screen || width != R->old_width || height != R->old_height) {	1255	if (fix_screen || newwidth != old_width || newheight != old_height)
		1256	{
846	if (scrollbar_visible(R)) {	1257	if (scrollbar_visible ())
		1258	{
847	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1259	XMoveResizeWindow (disp, scrollBar.win,
		1260	window_sb_x, 0,
848	0, scrollbar_TotalWidth(), R->szHint.height);	1261	scrollbar_TotalWidth (), szHint.height);
849	rxvt_Resize_scrollBar(aR);	1262	resize_scrollbar ();
850	}	1263	}
		1264
851	if (menubar_visible(R))	1265	if (menubar_visible ())
852	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1266	XMoveResizeWindow (disp, menuBar.win,
		1267	window_vt_x, 0,
853	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1268	width, menuBar_TotalHeight ());
854	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,	1269
855	R->window_vt_y, TermWin_TotalWidth(),	1270	XMoveResizeWindow (disp, vt,
		1271	window_vt_x, window_vt_y,
856	TermWin_TotalHeight());	1272	width, height);
857	#ifdef RXVT_GRAPHICS	1273
858	if (R->old_height)
859	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
860	R->old_height - R->szHint.base_height);
861	#endif
862	rxvt_scr_clear(aR);	1274	scr_clear ();
863	#ifdef XPM_BACKGROUND	1275	#ifdef XPM_BACKGROUND
864	rxvt_resize_pixmap(aR);	1276	resize_pixmap ();
865	#endif	1277	#endif
866	}	1278	}
867		1279
868	if (fix_screen || R->old_height == 0) {	1280	if (fix_screen || old_height == 0)
		1281	{
869	int curr_screen = -1;	1282	int curr_screen = -1;
870	uint16_t old_ncol = R->prev_ncol;	1283	int old_ncol = prev_ncol;
871		1284
872	/* scr_reset only works on the primary screen */	1285	/* scr_reset only works on the primary screen */
873	if (R->old_height) /* this is not the first time through */	1286	if (old_height) /* this is not the first time through */
		1287	{
		1288	unsigned int ocol = ncol;
		1289	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
874	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1290	curr_screen = scr_change_screen (PRIMARY);
875	rxvt_scr_reset(aR);	1291	ncol = ocol;
876	if (curr_screen >= 0) { /* this is not the first time through */
877	rxvt_scr_change_screen(aR_ curr_screen);
878	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
879	}	1292	}
880	}
881		1293
		1294	scr_reset ();
		1295
		1296	if (curr_screen >= 0) /* this is not the first time through */
		1297	{
		1298	scr_change_screen (curr_screen);
		1299	selection_check (old_ncol != ncol ? 4 : 0);
		1300	}
		1301	}
		1302
882	R->old_width = R->szHint.width;	1303	old_width = szHint.width;
883	R->old_height = R->szHint.height;	1304	old_height = szHint.height;
		1305
		1306	#ifdef XPM_BACKGROUND
		1307	if (pixmap)
		1308	scr_touch (false);
		1309	#endif
884		1310
885	#ifdef USE_XIM	1311	#ifdef USE_XIM
886	rxvt_IMSetStatusPosition(aR);	1312	IMSetStatusPosition ();
887	#endif	1313	#endif
888	}	1314	}
889		1315
890	/*	1316	/*
891	* Set the width/height of the vt window in characters. Units are pixels.	1317	* Set the width/height of the vt window in characters. Units are pixels.
892	* good for toggling 80/132 columns	1318	* good for toggling 80/132 columns
893	*/	1319	*/
894	/* EXTPROTO */
895	void	1320	void
896	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1321	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
897	{	1322	{
898	XWindowAttributes wattr;	1323	XWindowAttributes wattr;
899		1324
900	if (width == 0 || height == 0) {	1325	if (newwidth == 0 || newheight == 0)
		1326	{
901	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1327	XGetWindowAttributes (display->display, display->root, &wattr);
		1328
902	if (width == 0)	1329	if (newwidth == 0)
903	width = wattr.width - R->szHint.base_width;	1330	newwidth = wattr.width - szHint.base_width;
904	if (height == 0)	1331	if (newheight == 0)
905	height = wattr.height - R->szHint.base_height;	1332	newheight = wattr.height - szHint.base_height;
		1333	}
		1334
		1335	if (newwidth != width || newheight != height)
906	}	1336	{
907	if (width != R->TermWin.width || height != R->TermWin.height) {
908	width += R->szHint.base_width;	1337	newwidth += szHint.base_width;
909	height += R->szHint.base_height;	1338	newheight += szHint.base_height;
910	rxvt_resize_all_windows(aR_ width, height, 0);	1339	resize_all_windows (newwidth, newheight, 0);
911	}	1340	}
912	}	1341	}
913		1342
914	/* -------------------------------------------------------------------- *	1343	/* -------------------------------------------------------------------- *
915	* - X INPUT METHOD ROUTINES - *	1344	* - X INPUT METHOD ROUTINES - *
916	* -------------------------------------------------------------------- */	1345	* -------------------------------------------------------------------- */
917	#ifdef USE_XIM	1346	#ifdef USE_XIM
918	/* INTPROTO */
919	void
920	rxvt_setSize(pR_ XRectangle * size)
921	{
922	size->x = R->TermWin.int_bwidth;
923	size->y = R->TermWin.int_bwidth;
924	size->width = Width2Pixel(R->TermWin.ncol);
925	size->height = Height2Pixel(R->TermWin.nrow);
926	}
927		1347
928	/* INTPROTO */
929	void	1348	void
930	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1349	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
931	{	1350	{
932	*fg = R->PixColors[Color_fg];	1351	fg = pix_colors[Color_fg];
933	*bg = R->PixColors[Color_bg];	1352	bg = pix_colors[Color_bg];
		1353	}
		1354
		1355	void
		1356	rxvt_term::im_set_size (XRectangle &size)
		1357	{
		1358	// the int_bwidth terms make no sense to me
		1359	size.x = int_bwidth;
		1360	size.y = int_bwidth;
		1361	size.width = Width2Pixel (ncol) + int_bwidth;
		1362	size.height = Height2Pixel (nrow) + int_bwidth;
		1363	}
		1364
		1365	void
		1366	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1367	XRectangle &status_rect,
		1368	const XRectangle &needed_rect)
		1369	{
		1370	preedit_rect.x = needed_rect.width;
		1371	preedit_rect.y = 0;
		1372	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1373	preedit_rect.height = fheight;
		1374
		1375	status_rect.x = 0;
		1376	status_rect.y = 0;
		1377	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1378	status_rect.height = fheight;
934	}	1379	}
935		1380
936	/* Checking whether input method is running. */	1381	/* Checking whether input method is running. */
937	/* INTPROTO */
938	Bool	1382	bool
939	rxvt_IMisRunning(pR)	1383	rxvt_term::IMisRunning ()
940	{	1384	{
941	char *p;	1385	char *p;
942	Atom atom;	1386	Atom atom;
943	Window win;	1387	Window win;
944	char server[IMBUFSIZ];	1388	char server[IMBUFSIZ];
945		1389
946	/* get current locale modifier */	1390	/* get current locale modifier */
947	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1391	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1392	{
948	STRCPY(server, "@server=");	1393	strcpy (server, "@server=");
949	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1394	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1395
950	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1396	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
951	*p = '\0';	1397	*p = '\0';
952		1398
953	atom = XInternAtom(R->Xdisplay, server, False);	1399	atom = XInternAtom (display->display, server, False);
954	win = XGetSelectionOwner(R->Xdisplay, atom);	1400	win = XGetSelectionOwner (display->display, atom);
		1401
955	if (win != None)	1402	if (win != None)
956	return True;	1403	return True;
957	}	1404	}
		1405
958	return False;	1406	return False;
959	}	1407	}
960		1408
961	/* EXTPROTO */
962	void	1409	void
963	rxvt_IMSendSpot(pR)	1410	rxvt_term::IMSendSpot ()
964	{	1411	{
965	XPoint spot;	1412	XPoint nspot;
966	XVaNestedList preedit_attr;	1413	XVaNestedList preedit_attr;
967		1414
968	if (R->Input_Context == NULL	1415	if (!Input_Context
		1416	|| !focus
969	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1417	|| !(input_style & XIMPreeditPosition))
970	|| !(R->event_type == KeyPress
971	|| R->event_type == Expose
972	|| R->event_type == NoExpose
973	|| R->event_type == SelectionNotify
974	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
975	|| !rxvt_IMisRunning(aR))
976	return;	1418	return;
977		1419
978	rxvt_setPosition(aR_ & spot);	1420	im_set_position (nspot);
979		1421
		1422	if (nspot.x == spot.x && nspot.y == spot.y)
		1423	return;
		1424
		1425	spot = nspot;
		1426
980	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1427	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
981	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1428	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
982	XFree(preedit_attr);	1429	XFree (preedit_attr);
983	}	1430	}
984		1431
985	/* EXTPROTO */
986	void	1432	void
987	rxvt_setTermFontSet(pR_ int idx)	1433	rxvt_term::im_destroy ()
988	{	1434	{
989	char *string;	1435	if (input_method)
990	long length;
991	int success = 0;
992
993	if (idx < 0 || idx >= MAX_NFONTS)
994	return;
995	}
996
997	/* INTPROTO */
998	void
999	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1000	XRectangle * needed_rect)
1001	{
1002	int mbh, vtx = 0;
1003
1004	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1005	vtx = scrollbar_TotalWidth();
1006	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1007	mbh -= R->TermWin.lineSpace;
1008
1009	preedit_rect->x = needed_rect->width + vtx;
1010	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1011
1012	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1013	+ vtx;
1014	preedit_rect->height = Height2Pixel(1);
1015
1016	status_rect->x = vtx;
1017	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1018
1019	status_rect->width = needed_rect->width ? needed_rect->width
1020	: Width2Pixel(R->TermWin.ncol + 1);
1021	status_rect->height = Height2Pixel(1);
1022	}
1023
1024	/* ARGSUSED */
1025	/* INTPROTO */
1026	void
1027	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1028	__attribute__ ((unused)), XPointer call_data
1029	__attribute__ ((unused)))
1030	{
1031	dR;
1032
1033	R->Input_Context = NULL;
1034	/* To avoid Segmentation Fault in C locale: Solaris only? */
1035	if (STRCMP(R->locale, "C"))
1036	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1037	rxvt_IMInstantiateCallback, NULL);
1038	}
1039
1040	/*
1041	* X manual pages and include files don't match on some systems:
1042	* some think this is an XIDProc and others an XIMProc so we can't
1043	* use the first argument - need to update this to be nice for
1044	* both types via some sort of configure detection
1045	*/
1046	/* ARGSUSED */
1047	/* EXTPROTO */
1048	void
1049	rxvt_IMInstantiateCallback(Display * unused
1050	__attribute__ ((unused)), XPointer client_data
1051	__attribute__ ((unused)), XPointer call_data
1052	__attribute__ ((unused)))
1053	{
1054	dR;
1055	int i, found, had_im;
1056	const char *p;
1057	char **s;
1058	char buf[IMBUFSIZ];
1059
1060	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1061	if (R->Input_Context)
1062	return;
1063
1064	found = had_im = 0;
1065	p = R->rs[Rs_inputMethod];
1066	if (p && *p) {
1067	had_im = 1;
1068	s = rxvt_splitcommastring(p);
1069	for (i = 0; s[i]; i++) {
1070	if (*s[i]) {
1071	STRCPY(buf, "@im=");
1072	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1073	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1074	&& (rxvt_IM_get_IC(aR) == True)) {
1075	found = 1;
1076	break;
1077	}
1078	}
1079	}
1080	for (i = 0; s[i]; i++)
1081	free(s[i]);
1082	free(s);
1083	}	1436	{
1084	if (found)	1437	if (Input_Context && input_method->xim)
1085	return;	1438	XDestroyIC (Input_Context);
1086		1439
1087	/* try with XMODIFIERS env. var. */	1440	display->put_xim (input_method);
1088	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1441	input_method = 0;
1089	rxvt_IM_get_IC(aR);
1090	return;
1091	}	1442	}
1092		1443
1093	/* try with no modifiers base IF the user didn't specify an IM */	1444	Input_Context = 0;
1094	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1095	&& rxvt_IM_get_IC(aR) == True)
1096	return;
1097	}	1445	}
1098		1446
1099	/*	1447	/*
1100	* Try to open a XIM with the current modifiers, then see if we can	1448	* Try to open a XIM with the current modifiers, then see if we can
1101	* open a suitable preedit type	1449	* open a suitable preedit type
1102	*/	1450	*/
1103	/* INTPROTO */
1104	Bool	1451	bool
1105	rxvt_IM_get_IC(pR)	1452	rxvt_term::IM_get_IC (const char *modifiers)
1106	{	1453	{
1107	int i, j, found;	1454	int i, j, found;
1108	XIM xim;	1455	XIM xim;
1109	XPoint spot;	1456	XPoint spot;
1110	XRectangle rect, status_rect, needed_rect;	1457	XRectangle rect, status_rect, needed_rect;
1111	unsigned long fg, bg;	1458	unsigned long fg, bg;
1112	const char *p;	1459	const char *p;
1113	char **s;	1460	char **s;
1114	XIMStyles *xim_styles;	1461	XIMStyles *xim_styles;
1115	XVaNestedList preedit_attr, status_attr;
1116	XIMCallback ximcallback;
1117		1462
		1463	set_environ (envv);
		1464
		1465	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1466	return false;
		1467
1118	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1468	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1119	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1469	input_method = display->get_xim (locale, modifiers);
1120	if (xim == NULL)	1470	if (input_method == NULL)
1121	return False;	1471	return false;
1122		1472
		1473	xim = input_method->xim;
		1474	spot.x = spot.y = -1;
		1475
1123	xim_styles = NULL;	1476	xim_styles = NULL;
1124	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1477	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1125	|| !xim_styles || !xim_styles->count_styles) {	1478	|| !xim_styles || !xim_styles->count_styles)
1126	XCloseIM(xim);	1479	{
		1480	im_destroy ();
1127	return False;	1481	return false;
		1482	}
		1483
		1484	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1485
		1486	for (int pi = 0; pi < 2; pi++)
1128	}	1487	{
		1488	p = pet[pi];
1129		1489
1130	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1490	if (!p)
1131	: "OverTheSpot,OffTheSpot,Root";	1491	continue;
		1492
1132	s = rxvt_splitcommastring(p);	1493	s = rxvt_splitcommastring (p);
		1494
1133	for (i = found = 0; !found && s[i]; i++) {	1495	for (i = found = 0; !found && s[i]; i++)
		1496	{
1134	if (!STRCMP(s[i], "OverTheSpot"))	1497	if (!strcmp (s[i], "OverTheSpot"))
1135	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1498	input_style = (XIMPreeditPosition | XIMStatusNothing);
1136	else if (!STRCMP(s[i], "OffTheSpot"))	1499	else if (!strcmp (s[i], "OffTheSpot"))
1137	R->input_style = (XIMPreeditArea | XIMStatusArea);	1500	input_style = (XIMPreeditArea | XIMStatusArea);
1138	else if (!STRCMP(s[i], "Root"))	1501	else if (!strcmp (s[i], "Root"))
1139	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1502	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1503	else if (!strcmp (s[i], "None"))
		1504	input_style = (XIMPreeditNone | XIMStatusNone);
1140		1505
1141	for (j = 0; j < xim_styles->count_styles; j++)	1506	for (j = 0; j < xim_styles->count_styles; j++)
1142	if (R->input_style == xim_styles->supported_styles[j]) {	1507	if (input_style == xim_styles->supported_styles[j])
		1508	{
		1509	rxvt_freecommastring (s);
		1510
1143	found = 1;	1511	found = 1;
		1512	goto foundpet;
		1513	}
		1514
		1515	}
		1516
		1517	rxvt_freecommastring (s);
		1518	}
		1519
		1520	foundpet:
		1521
		1522	XFree (xim_styles);
		1523
		1524	if (!found)
		1525	{
		1526	im_destroy ();
		1527	return false;
		1528	}
		1529
		1530	XFontSet fs = 0;
		1531	XVaNestedList preedit_attr = 0, status_attr = 0;
		1532
		1533	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1534	{
		1535	// fake us a font-set, please
		1536	char **missing_charset_list;
		1537	int missing_charset_count;
		1538	char *def_string;
		1539	char pat[512];
		1540
		1541	sprintf (pat,
		1542	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1543	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1544	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1545	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1546	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1547	"*",
		1548	fheight,
		1549	fheight + 1, fheight - 1,
		1550	fheight - 2, fheight + 2);
		1551
		1552	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1553	&missing_charset_list, &missing_charset_count, &def_string);
		1554
		1555	if (missing_charset_list)
		1556	XFreeStringList (missing_charset_list);
		1557
		1558	if (!fs)
		1559	{
		1560	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1561	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1562	}
		1563	}
		1564
		1565	if (input_style & XIMPreeditPosition)
		1566	{
		1567	im_set_size (rect);
		1568	im_set_position (spot);
		1569	im_set_color (fg, bg);
		1570
		1571	preedit_attr = XVaCreateNestedList (0,
		1572	XNForeground, fg,
		1573	XNBackground, bg,
		1574	XNArea, &rect,
		1575	XNSpotLocation, &spot,
		1576	XNFontSet, fs,
		1577	NULL);
		1578	}
		1579	else if (input_style & XIMPreeditArea)
		1580	{
		1581	im_set_color (fg, bg);
		1582
		1583	/*
		1584	* The necessary width of preedit area is unknown
		1585	* until create input context.
		1586	*/
		1587	needed_rect.width = 0;
		1588	im_set_preedit_area (rect, status_rect, needed_rect);
		1589
		1590	preedit_attr = XVaCreateNestedList (0,
		1591	XNForeground, fg,
		1592	XNBackground, bg,
		1593	XNArea, &rect,
		1594	XNFontSet, fs,
		1595	NULL);
		1596	status_attr = XVaCreateNestedList (0,
		1597	XNForeground, fg,
		1598	XNBackground, bg,
		1599	XNArea, &status_rect,
		1600	XNFontSet, fs,
		1601	NULL);
		1602	}
		1603
		1604	Input_Context = XCreateIC (xim,
		1605	XNInputStyle, input_style,
		1606	XNClientWindow, vt,
		1607	XNFocusWindow, parent[0],
		1608	preedit_attr ? XNPreeditAttributes : NULL,
		1609	preedit_attr,
		1610	status_attr ? XNStatusAttributes : NULL,
		1611	status_attr, NULL);
		1612
		1613	if (preedit_attr) XFree (preedit_attr);
		1614	if (status_attr) XFree (status_attr);
		1615	if (fs) XFreeFontSet (display->display, fs);
		1616
		1617	if (Input_Context == NULL)
		1618	{
		1619	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1620	im_destroy ();
		1621	return false;
		1622	}
		1623
		1624	if (input_style & XIMPreeditArea)
		1625	IMSetStatusPosition ();
		1626
		1627	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
		1628	return true;
		1629	}
		1630
		1631	void
		1632	rxvt_term::im_cb ()
		1633	{
		1634	int i;
		1635	const char *p;
		1636	char **s;
		1637	char buf[IMBUFSIZ];
		1638
		1639	make_current ();
		1640
		1641	im_destroy ();
		1642
		1643	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
		1644	if (Input_Context)
		1645	return;
		1646
		1647	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1648	if (rs[Rs_imLocale])
		1649	SET_LOCALE (rs[Rs_imLocale]);
		1650	#endif
		1651
		1652	p = rs[Rs_inputMethod];
		1653	if (p && *p)
		1654	{
		1655	bool found = false;
		1656
		1657	s = rxvt_splitcommastring (p);
		1658
		1659	for (i = 0; s[i]; i++)
		1660	{
		1661	if (*s[i])
		1662	{
		1663	strcpy (buf, "@im=");
		1664	strncat (buf, s[i], IMBUFSIZ - 5);
		1665	if (IM_get_IC (buf))
		1666	{
		1667	found = true;
1144	break;	1668	break;
		1669	}
1145	}	1670	}
1146	}	1671	}
1147	for (i = 0; s[i]; i++)
1148	free(s[i]);
1149	free(s);
1150	XFree(xim_styles);
1151		1672
		1673	rxvt_freecommastring (s);
		1674
1152	if (!found) {	1675	if (found)
1153	XCloseIM(xim);	1676	goto done;
1154	return False;
1155	}	1677	}
1156		1678
1157	ximcallback.callback = rxvt_IMDestroyCallback;	1679	/* try with XMODIFIERS env. var. */
		1680	if (IM_get_IC (""))
		1681	goto done;
1158		1682
1159	/* XXX: not sure why we need this (as well as IC one below) */	1683	/* try with no modifiers base IF the user didn't specify an IM */
1160	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1684	if (IM_get_IC ("@im=none"))
		1685	goto done;
1161		1686
1162	preedit_attr = status_attr = NULL;	1687	done:
1163		1688	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1164	if (R->input_style & XIMPreeditPosition) {	1689	if (rs[Rs_imLocale])
1165	rxvt_setSize(aR_ & rect);	1690	SET_LOCALE (locale);
1166	rxvt_setPosition(aR_ & spot);	1691	#endif
1167	rxvt_setColor(aR_ & fg, &bg);
1168
1169	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1170	XNSpotLocation, &spot,
1171	XNForeground, fg, XNBackground, bg,
1172	//XNFontSet, R->TermWin.fontset,
1173	NULL);
1174	} else if (R->input_style & XIMPreeditArea) {
1175	rxvt_setColor(aR_ & fg, &bg);
1176
1177	/*
1178	* The necessary width of preedit area is unknown
1179	* until create input context.
1180	*/
1181	needed_rect.width = 0;
1182
1183	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1184
1185	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1186	XNForeground, fg, XNBackground, bg,
1187	//XNFontSet, R->TermWin.fontset,
1188	NULL);
1189	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1190	XNForeground, fg, XNBackground, bg,
1191	//XNFontSet, R->TermWin.fontset,
1192	NULL);
1193	}
1194	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1195	XNClientWindow, R->TermWin.parent[0],
1196	XNFocusWindow, R->TermWin.parent[0],
1197	XNDestroyCallback, &ximcallback,
1198	preedit_attr ? XNPreeditAttributes : NULL,
1199	preedit_attr,
1200	status_attr ? XNStatusAttributes : NULL,
1201	status_attr, NULL);
1202	if (preedit_attr)
1203	XFree(preedit_attr);
1204	if (status_attr)
1205	XFree(status_attr);
1206	if (R->Input_Context == NULL) {
1207	rxvt_print_error("failed to create input context");
1208	XCloseIM(xim);
1209	return False;
1210	}
1211	if (R->input_style & XIMPreeditArea)
1212	rxvt_IMSetStatusPosition(aR);
1213	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1214	return True;
1215	}	1692	}
1216		1693
1217	/* EXTPROTO */
1218	void	1694	void
1219	rxvt_IMSetStatusPosition(pR)	1695	rxvt_term::IMSetStatusPosition ()
1220	{	1696	{
1221	XRectangle preedit_rect, status_rect, *needed_rect;	1697	XRectangle preedit_rect, status_rect, *needed_rect;
1222	XVaNestedList preedit_attr, status_attr;	1698	XVaNestedList preedit_attr, status_attr;
1223		1699
1224	if (R->Input_Context == NULL	1700	if (!Input_Context
		1701	|| !focus
1225	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1702	|| !(input_style & XIMPreeditArea)
1226	|| !rxvt_IMisRunning(aR))	1703	|| !IMisRunning ())
1227	return;	1704	return;
1228		1705
1229	/* Getting the necessary width of preedit area */	1706	/* Getting the necessary width of preedit area */
1230	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1707	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1231	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1708	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1232	XFree(status_attr);	1709	XFree (status_attr);
1233		1710
1234	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1711	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1712	XFree (needed_rect);
1235		1713
1236	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1714	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1237	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1715	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1238		1716
1239	XSetICValues(R->Input_Context,	1717	XSetICValues (Input_Context,
1240	XNPreeditAttributes, preedit_attr,	1718	XNPreeditAttributes, preedit_attr,
1241	XNStatusAttributes, status_attr, NULL);	1719	XNStatusAttributes, status_attr, NULL);
1242		1720
1243	XFree(preedit_attr);	1721	XFree (preedit_attr);
1244	XFree(status_attr);	1722	XFree (status_attr);
1245	}	1723	}
1246	#endif /* USE_XIM */	1724	#endif /* USE_XIM */
1247		1725
1248	/*----------------------------------------------------------------------*/	1726	/*----------------------------------------------------------------------*/
1249	rxvt_t rxvt_current_term;	1727	rxvt_t rxvt_current_term;

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