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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 1.174 by root, Thu Jan 12 00:11:13 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
		166	#ifdef MENUBAR
		167	menubar_ev (this, &rxvt_term::x_cb),
		168	#endif
64	#ifdef CURSOR_BLINK	169	#ifdef CURSOR_BLINK
		170	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		171	#endif
		172	#ifdef TEXT_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	173	text_blink_ev (this, &rxvt_term::text_blink_cb),
		174	#endif
		175	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		176	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		177	#endif
		178	#ifdef SELECTION_SCROLLING
		179	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		180	#endif
		181	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		182	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
66	#endif	183	#endif
67	#ifdef POINTER_BLANK	184	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	185	pointer_ev (this, &rxvt_term::pointer_cb),
69	#endif	186	#endif
		187	#ifdef USE_XIM
		188	im_ev (this, &rxvt_term::im_cb),
		189	#endif
		190	termwin_ev (this, &rxvt_term::x_cb),
70	x_ev (this, &rxvt_term::x_cb)	191	vt_ev (this, &rxvt_term::x_cb),
		192	check_ev (this, &rxvt_term::check_cb),
		193	flush_ev (this, &rxvt_term::flush_cb),
		194	destroy_ev (this, &rxvt_term::destroy_cb),
		195	pty_ev (this, &rxvt_term::pty_cb),
		196	incr_ev (this, &rxvt_term::incr_cb)
71	{	197	{
72	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	198	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		199
		200	termlist.push_back (this);
		201
		202	#ifdef KEYSYM_RESOURCE
		203	keyboard = new keyboard_manager;
		204
		205	if (!keyboard)
		206	rxvt_fatal ("out of memory, aborting.\n");
		207	#endif
		208	}
		209
		210	// clean up the most important stuff, do *not* call x or free mem etc.
		211	// for use before an emergency exit
		212	void rxvt_term::emergency_cleanup ()
		213	{
		214	if (cmd_pid)
		215	kill (-cmd_pid, SIGHUP);
		216
		217	#ifdef UTMP_SUPPORT
		218	privileged_utmp (RESTORE);
		219	#endif
		220
		221	pty.put ();
73	}	222	}
74		223
75	rxvt_term::~rxvt_term ()	224	rxvt_term::~rxvt_term ()
76	{	225	{
77	delete PixColors;	226	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		227
		228	termlist.erase (find (termlist.begin (), termlist.end(), this));
		229
		230	emergency_cleanup ();
		231
		232	#if ENABLE_STYLES
		233	for (int i = RS_styleCount; --i; )
		234	if (fontset[i] != fontset[0])
		235	delete fontset[i];
		236	#endif
		237	delete fontset[0];
		238
		239	if (display)
		240	{
		241	dDisp;
		242
		243	selection_clear ();
		244
		245	#ifdef USE_XIM
		246	im_destroy ();
		247	#endif
		248	#ifdef MENUBAR
		249	if (menubarGC) XFreeGC (disp, menubarGC);
		250	#endif
		251	#ifdef XTERM_SCROLLBAR
		252	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
		253	if (ShadowGC) XFreeGC (disp, ShadowGC);
		254	#endif
		255	#ifdef PLAIN_SCROLLBAR
		256	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		257	#endif
		258	#ifdef NEXT_SCROLLBAR
		259	if (blackGC) XFreeGC (disp, blackGC);
		260	if (whiteGC) XFreeGC (disp, whiteGC);
		261	if (grayGC) XFreeGC (disp, grayGC);
		262	if (darkGC) XFreeGC (disp, darkGC);
		263	if (stippleGC) XFreeGC (disp, stippleGC);
		264	if (dimple) XFreePixmap (disp, dimple);
		265	if (upArrow) XFreePixmap (disp, upArrow);
		266	if (downArrow) XFreePixmap (disp, downArrow);
		267	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		268	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		269	#endif
		270	#if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
		271	if (topShadowGC) XFreeGC (disp, topShadowGC);
		272	if (botShadowGC) XFreeGC (disp, botShadowGC);
		273	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		274	#endif
		275	if (gc) XFreeGC (disp, gc);
		276
		277	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
		278	delete menuBar.drawable;
		279	//if (menuBar.win)
		280	// XDestroyWindow (disp, menuBar.win);
		281	#endif
		282	delete drawable;
		283	// destroy all windows
		284	if (parent[0])
		285	XDestroyWindow (disp, parent[0]);
		286	}
		287
		288	// TODO: free pixcolours, colours should become part of rxvt_display
		289	delete pix_colors_focused;
		290	#if OFF_FOCUS_FADING
		291	delete pix_colors_unfocused;
		292	#endif
		293
		294	displays.put (display);
		295
		296	scr_release ();
		297
		298	/* clear all resources */
		299	for (int i = 0; i < allocated.size (); i++)
		300	free (allocated [i]);
		301
		302	free (selection.text);
		303	// TODO: manage env vars in child only(!)
		304	free (env_windowid);
		305	free (env_display);
		306	free (env_term);
		307	free (env_colorfgbg);
		308	free (locale);
		309	free (v_buffer);
		310	free (incr_buf);
		311
		312	delete envv;
		313	delete argv;
		314
		315	#ifdef KEYSYM_RESOURCE
		316	delete keyboard;
		317	#endif
		318	}
		319
		320	void
		321	rxvt_term::child_exit ()
		322	{
		323	cmd_pid = 0;
		324
		325	if (!OPTION (Opt_hold))
		326	destroy ();
		327	}
		328
		329	void
		330	rxvt_term::destroy ()
		331	{
		332	if (destroy_ev.active)
		333	return;
		334
		335	#if ENABLE_OVERLAY
		336	scr_overlay_off ();
		337	#endif
		338
		339	if (display)
		340	{
		341	#if USE_XIM
		342	im_ev.stop (display);
		343	#endif
		344	#if HAVE_SCROLLBARS
		345	scrollbar_ev.stop (display);
		346	#endif
		347	#if MENUBAR
		348	menubar_ev.stop (display);
		349	#endif
		350	#if TRANSPARENT
		351	rootwin_ev.stop (display);
		352	#endif
		353	incr_ev.stop ();
		354	termwin_ev.stop (display);
		355	vt_ev.stop (display);
		356	}
		357
		358	check_ev.stop ();
		359	pty_ev.stop ();
		360	#ifdef CURSOR_BLINK
		361	cursor_blink_ev.stop ();
		362	#endif
		363	#ifdef TEXT_BLINK
		364	text_blink_ev.stop ();
		365	#endif
		366	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		367	cont_scroll_ev.stop ();
		368	#endif
		369	#ifdef SELECTION_SCROLLING
		370	sel_scroll_ev.stop ();
		371	#endif
		372	#ifdef POINTER_BLANK
		373	pointer_ev.stop ();
		374	#endif
		375
		376	destroy_ev.start (0);
		377	}
		378
		379	void
		380	rxvt_term::destroy_cb (time_watcher &w)
		381	{
		382	SET_R (this);
		383
		384	delete this;
78	}	385	}
79		386
80	/*----------------------------------------------------------------------*/	387	/*----------------------------------------------------------------------*/
81	/* rxvt_init() */	388	/*
82	/* LIBPROTO */	389	* Exit gracefully, clearing the utmp entry and restoring tty attributes
83	rxvt_t	390	* TODO: if debugging, this should free up any known resources if we can
84	rxvt_init(int argc, const char *const *argv)	391	*/
85	{	392	static XErrorHandler old_xerror_handler;
86	SET_R(new rxvt_term);
87	dR;
88		393
89	if (!R->init_vars () || !R->init (argc, argv))	394	static void
		395	rxvt_emergency_cleanup ()
		396	{
		397	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		398	(*t)->emergency_cleanup ();
		399	}
		400
		401	#if ENABLE_FRILLS
		402	static void
		403	print_x_error (Display *dpy, XErrorEvent *event)
		404	{
		405	char buffer[BUFSIZ];
		406	char mesg[BUFSIZ];
		407	char number[32];
		408	char *mtype = "XlibMessage";
		409	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		410	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		411	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		412	rxvt_warn ("%s: %s\n", mesg, buffer);
		413	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		414	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		415	sprintf(number, "%d", event->request_code);
		416	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		417	rxvt_warn ("(which is %s)\n", buffer);
		418	if (event->request_code >= 128) {
		419	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		420	mesg, BUFSIZ);
		421	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
90	{	422	}
91	delete R;	423	if ((event->error_code == BadWindow) ||
92	return NULL;	424	(event->error_code == BadPixmap) ||
		425	(event->error_code == BadCursor) ||
		426	(event->error_code == BadFont) ||
		427	(event->error_code == BadDrawable) ||
		428	(event->error_code == BadColor) ||
		429	(event->error_code == BadGC) ||
		430	(event->error_code == BadIDChoice) ||
		431	(event->error_code == BadValue) ||
		432	(event->error_code == BadAtom)) {
		433	if (event->error_code == BadValue)
		434	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		435	mesg, BUFSIZ);
		436	else if (event->error_code == BadAtom)
		437	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		438	mesg, BUFSIZ);
		439	else
		440	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		441	mesg, BUFSIZ);
		442	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		443	}
		444	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		445	mesg, BUFSIZ);
		446	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		447	}
		448	#endif
		449
		450	int
		451	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		452	{
		453	if (GET_R->allowedxerror == -1)
		454	GET_R->allowedxerror = event->error_code;
		455	else
93	}	456	{
		457	// GET_R is most likely not the terminal which caused the error,
		458	// so just output the error and continue
		459	#if ENABLE_FRILLS
		460	print_x_error (display, event);
		461	#else
		462	old_xerror_handler (display, event);
		463	#endif
		464	}
94		465
95	return R;	466	return 0;
96	}	467	}
97		468
		469	int
		470	rxvt_xioerror_handler (Display *display)
		471	{
		472	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		473	DisplayString (display));
		474	rxvt_emergency_cleanup ();
		475	_exit (EXIT_FAILURE);
		476	}
		477
		478	/*----------------------------------------------------------------------*/
98	bool	479	bool
99	rxvt_term::init (int argc, const char *const *argv)	480	rxvt_term::init (int argc, const char *const *argv)
100	{	481	{
101	dR;//TODO (scrollbar, setidle)	482	SET_R (this);
102		483
		484	const char **cmd_argv;
		485
		486	{
		487	TEMP_ENV; // few things in X do not call setlocale :(
		488
		489	set_locale ("");
		490
		491	if (!init_vars ())
		492	return false;
		493
		494	init_secondary ();
		495
		496	cmd_argv = init_resources (argc, argv);
		497
		498	#ifdef KEYSYM_RESOURCE
		499	keyboard->register_done ();
		500	#endif
		501
		502	#if MENUBAR_MAX
		503	menubar_read (rs[Rs_menu]);
		504	#endif
		505	#ifdef HAVE_SCROLLBARS
		506	if (OPTION (Opt_scrollBar))
		507	scrollBar.setIdle (); /* set existence for size calculations */
		508	#endif
		509	}
		510
		511	#if ENABLE_PERL
		512	if (!rs[Rs_perl_ext_1])
		513	rs[Rs_perl_ext_1] = "default";
		514
		515	if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
		516	|| (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
		517	|| (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
		518	{
		519	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
		520	// ignore some perl-related arguments if some bozo installed us set[ug]id
		521	if (rxvt_tainted ())
		522	{
		523	if ((rs[Rs_perl_lib] && *rs[Rs_perl_lib])
		524	|| (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
		525	{
		526	rxvt_warn ("running with elevated privileges: ignoring perl-lib and perl-eval.\n");
		527	rs[Rs_perl_lib] = 0;
		528	rs[Rs_perl_eval] = 0;
		529	}
		530	}
		531	#endif
		532	rxvt_perl.init ();
		533	setlocale (LC_CTYPE, curlocale); // perl destroys this info
		534	HOOK_INVOKE ((this, HOOK_INIT, DT_END));
		535	}
		536	#endif
		537
		538	{
		539	TEMP_ENV;
		540
		541	create_windows (argc, argv);
		542
		543	dDisp;
		544
		545	init_xlocale ();
		546
		547	scr_reset (); // initialize screen
		548
		549	#if 0
		550	XSynchronize (disp, True);
		551	#endif
		552
		553	#ifdef HAVE_SCROLLBARS
		554	if (OPTION (Opt_scrollBar))
		555	resize_scrollbar (); /* create and map scrollbar */
		556	#endif
		557	#if (MENUBAR_MAX)
		558	if (menubar_visible ())
		559	XMapWindow (disp, menuBar.win);
		560	#endif
		561	#ifdef TRANSPARENT
		562	if (OPTION (Opt_transparent))
		563	{
		564	XSelectInput (disp, display->root, PropertyChangeMask);
		565	check_our_parents ();
		566	rootwin_ev.start (display, display->root);
		567	}
		568	#endif
		569
		570	XMapWindow (disp, vt);
		571	XMapWindow (disp, parent[0]);
		572
		573	set_colorfgbg ();
		574
		575	init_command (cmd_argv);
		576
		577	free (cmd_argv);
		578
		579	if (pty.pty >= 0)
		580	pty_ev.start (pty.pty, EVENT_READ);
		581
		582	check_ev.start ();
		583
		584	HOOK_INVOKE ((this, HOOK_START, DT_END));
		585	}
		586
		587	return true;
		588	}
		589
		590	static struct sig_handlers
		591	{
		592	sig_watcher sw_chld, sw_term, sw_int;
		593
		594	void sig_chld (sig_watcher &w)
		595	{
		596	// we are being called for every SIGCHLD, find the corresponding term
		597	int pid;
		598
		599	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
		600	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		601	if (pid == (*t)->cmd_pid)
		602	{
		603	(*t)->child_exit ();
		604	break;
		605	}
		606	}
		607
		608	/*
		609	* Catch a fatal signal and tidy up before quitting
		610	*/
		611	void
		612	sig_term (sig_watcher &w)
		613	{
		614	#ifdef DEBUG_CMD
		615	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		616	#endif
		617	rxvt_emergency_cleanup ();
		618	signal (w.signum, SIG_DFL);
		619	kill (getpid (), w.signum);
		620	}
		621
		622	sig_handlers ()
		623	: sw_chld (this, &sig_handlers::sig_chld),
		624	sw_term (this, &sig_handlers::sig_term),
		625	sw_int (this, &sig_handlers::sig_term)
		626	{
		627	}
		628	} sig_handlers;
		629
		630	void
		631	rxvt_init ()
		632	{
103	/*	633	/*
104	* Save and then give up any super-user privileges	634	* Save and then give up any super-user privileges
105	* If we need privileges in any area then we must specifically request it.	635	* If we need privileges in any area then we must specifically request it.
106	* We should only need to be root in these cases:	636	* We should only need to be root in these cases:
107	* 1. write utmp entries on some systems	637	* 1. write utmp entries on some systems
108	* 2. chown tty on some systems	638	* 2. chown tty on some systems
109	*/	639	*/
110	rxvt_privileges (this, SAVE);	640	rxvt_privileges (SAVE);
111	rxvt_privileges (this, IGNORE);	641	rxvt_privileges (IGNORE);
112		642
113	rxvt_init_secondary (this);	643	signal (SIGHUP, SIG_IGN);
		644	signal (SIGPIPE, SIG_IGN);
114		645
115	const char **cmd_argv = rxvt_init_resources (this, argc, argv);	646	sig_handlers.sw_chld.start (SIGCHLD);
		647	sig_handlers.sw_term.start (SIGTERM);
		648	sig_handlers.sw_int.start (SIGINT);
116		649
117	#if (MENUBAR_MAX)	650	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
118	rxvt_menubar_read (this, rs[Rs_menu]);	651	/* 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		652
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);	653	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
140	#endif	654	// TODO: handle this with exceptions and tolerate the memory loss
141	#endif	655	XSetIOErrorHandler (rxvt_xioerror_handler);
142		656
143	#ifdef HAVE_SCROLLBARS	657	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	}	658	}
257		659
258	/* ------------------------------------------------------------------------- *	660	/* ------------------------------------------------------------------------- *
259	* MEMORY ALLOCATION WRAPPERS *	661	* MEMORY ALLOCATION WRAPPERS *
260	* ------------------------------------------------------------------------- */	662	* ------------------------------------------------------------------------- */
261	/* EXTPROTO */	663	void *
		664	rxvt_malloc (size_t size)
		665	{
		666	void *p = malloc (size);
		667
		668	if (!p)
		669	rxvt_fatal ("memory allocation failure. aborting.\n");
		670
		671	return p;
		672	}
		673
		674	void *
		675	rxvt_calloc (size_t number, size_t size)
		676	{
		677	void *p = calloc (number, size);
		678
		679	if (!p)
		680	rxvt_fatal ("memory allocation failure. aborting.\n");
		681
		682	return p;
		683	}
		684
262	void *	685	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)	686	rxvt_realloc (void *ptr, size_t size)
296	{	687	{
297	void *p;
298
299	if (ptr)
300	p = realloc(ptr, size);	688	void *p = realloc (ptr, size);
301	else	689
302	p = malloc(size);
303	if (p)	690	if (!p)
		691	rxvt_fatal ("memory allocation failure. aborting.\n");
		692
304	return p;	693	return p;
305
306	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
307	rxvt_clean_exit();
308	exit(EXIT_FAILURE);
309	/* NOTREACHED */
310	}	694	}
311		695
312	/* ------------------------------------------------------------------------- *	696	/* ------------------------------------------------------------------------- *
313	* PRIVILEGED OPERATIONS *	697	* PRIVILEGED OPERATIONS *
314	* ------------------------------------------------------------------------- */	698	* ------------------------------------------------------------------------- */
315	/* take care of suid/sgid super-user (root) privileges */	699	/* take care of suid/sgid super-user (root) privileges */
316	/* INTPROTO */
317	void	700	void
318	rxvt_privileges(pR_ int mode)	701	rxvt_privileges (rxvt_privaction action)
319	{	702	{
320	#if ! defined(__CYGWIN32__)	703	#if ! defined(__CYGWIN32__)
321	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	704	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
322	/* setreuid() is the poor man's setuid(), seteuid() */	705	/* setreuid () is the poor man's setuid (), seteuid () */
323	# define seteuid(a) setreuid(-1, (a))	706	# define seteuid(a) setreuid(-1, (a))
324	# define setegid(a) setregid(-1, (a))	707	# define setegid(a) setregid(-1, (a))
325	# define HAVE_SETEUID	708	# define HAVE_SETEUID
326	# endif	709	# endif
327	# ifdef HAVE_SETEUID	710	# ifdef HAVE_SETEUID
328	switch (mode) {	711	switch (action)
		712	{
329	case IGNORE:	713	case IGNORE:
330	/*	714	/*
331	* change effective uid/gid - not real uid/gid - so we can switch	715	* change effective uid/gid - not real uid/gid - so we can switch
332	* back to root later, as required	716	* back to root later, as required
333	*/	717	*/
334	seteuid(getuid());
335	setegid(getgid());	718	setegid (getgid ());
		719	seteuid (getuid ());
336	break;	720	break;
337	case SAVE:	721	case SAVE:
338	R->euid = geteuid();
339	R->egid = getegid();	722	saved_egid = getegid ();
		723	saved_euid = geteuid ();
340	break;	724	break;
341	case RESTORE:	725	case RESTORE:
342	seteuid(R->euid);
343	setegid(R->egid);	726	setegid (saved_egid);
		727	seteuid (saved_euid);
344	break;	728	break;
345	}	729	}
346	# else	730	# else
347	switch (mode) {	731	switch (action)
		732	{
348	case IGNORE:	733	case IGNORE:
349	setuid(getuid());
350	setgid(getgid());	734	setgid (getgid ());
		735	setuid (getuid ());
351	/* FALLTHROUGH */	736	/* FALLTHROUGH */
352	case SAVE:	737	case SAVE:
353	/* FALLTHROUGH */	738	/* FALLTHROUGH */
354	case RESTORE:	739	case RESTORE:
355	break;	740	break;
356	}	741	}
357	# endif	742	# endif
358	#endif	743	#endif
359	}	744	}
360		745
361	#ifdef UTMP_SUPPORT	746	#ifdef UTMP_SUPPORT
362	/* EXTPROTO */
363	void	747	void
364	rxvt_privileged_utmp(pR_ char action)	748	rxvt_term::privileged_utmp (rxvt_privaction action)
365	{	749	{
366	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",	750	if (OPTION (Opt_utmpInhibit)
367	action, R->next_utmp_action, getpid()));	751	|| !pty.name || !*pty.name)
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;	752	return;
372		753
373	rxvt_privileges(aR_ RESTORE);	754	rxvt_privileges (RESTORE);
		755
374	if (action == SAVE) {	756	if (action == SAVE)
375	R->next_utmp_action = RESTORE;	757	makeutent (pty.name, rs[Rs_display_name]);
376	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	758	else
377	} else { /* action == RESTORE */	759	cleanutent ();
378	R->next_utmp_action = IGNORE;	760
379	rxvt_cleanutent(aR);
380	}
381	rxvt_privileges(aR_ IGNORE);	761	rxvt_privileges (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	}	762	}
437	#endif	763	#endif
438		764
439	/*----------------------------------------------------------------------*/	765	/*----------------------------------------------------------------------*/
440	/*	766	/*
441	* window size/position calculcations for XSizeHint and other storage.	767	* window size/position calculcations for XSizeHint and other storage.
442	* if width/height are non-zero then override calculated width/height	768	* if width/height are non-zero then override calculated width/height
443	*/	769	*/
444	/* EXTPROTO */
445	void	770	void
446	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	771	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
447	{	772	{
448	short recalc_x, recalc_y;	773	short recalc_x, recalc_y;
449	int x, y, sb_w, mb_h, flags;	774	int x, y, sb_w, mb_h, flags;
450	unsigned int w, h;	775	unsigned int w, h;
451	unsigned int max_width, max_height;	776	unsigned int max_width, max_height;
		777	dDisp;
452		778
453	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	779	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
454	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	780	ncol, nrow, szHint.width, szHint.height));
455	R->szHint.height));	781
456	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	782	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
457	R->szHint.win_gravity = NorthWestGravity;	783	szHint.win_gravity = NorthWestGravity;
458	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	784	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
459		785
460	recalc_x = recalc_y = 0;	786	recalc_x = recalc_y = 0;
461	flags = 0;	787	flags = 0;
		788
462	if (!R->parsed_geometry) {	789	if (!parsed_geometry)
		790	{
463	R->parsed_geometry = 1;	791	parsed_geometry = 1;
		792
464	if (R->rs[Rs_geometry])	793	if (rs[Rs_geometry])
465	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	794	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		795
466	if (flags & WidthValue) {	796	if (flags & WidthValue)
467	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	797	{
		798	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
468	R->szHint.flags |= USSize;	799	szHint.flags |= USSize;
469	}	800	}
		801
470	if (flags & HeightValue) {	802	if (flags & HeightValue)
471	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	803	{
		804	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
472	R->szHint.flags |= USSize;	805	szHint.flags |= USSize;
473	}	806	}
		807
474	if (flags & XValue) {	808	if (flags & XValue)
		809	{
475	R->szHint.x = x;	810	szHint.x = x;
476	R->szHint.flags |= USPosition;	811	szHint.flags |= USPosition;
		812
477	if (flags & XNegative) {	813	if (flags & XNegative)
		814	{
478	recalc_x = 1;	815	recalc_x = 1;
479	R->szHint.win_gravity = NorthEastGravity;	816	szHint.win_gravity = NorthEastGravity;
480	}	817	}
481	}	818	}
		819
482	if (flags & YValue) {	820	if (flags & YValue)
		821	{
483	R->szHint.y = y;	822	szHint.y = y;
484	R->szHint.flags |= USPosition;	823	szHint.flags |= USPosition;
		824
485	if (flags & YNegative) {	825	if (flags & YNegative)
		826	{
486	recalc_y = 1;	827	recalc_y = 1;
		828
487	if (R->szHint.win_gravity == NorthEastGravity)	829	if (szHint.win_gravity == NorthEastGravity)
488	R->szHint.win_gravity = SouthEastGravity;	830	szHint.win_gravity = SouthEastGravity;
489	else	831	else
490	R->szHint.win_gravity = SouthWestGravity;	832	szHint.win_gravity = SouthWestGravity;
491	}	833	}
492	}	834	}
493	}	835	}
		836
494	/* TODO: BOUNDS */	837	/* TODO: BOUNDS */
495	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	838	width = ncol * fwidth;
496	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	839	height = nrow * fheight;
497	max_width = MAX_COLS * R->TermWin.fwidth;	840	max_width = MAX_COLS * fwidth;
498	max_height = MAX_ROWS * R->TermWin.fheight;	841	max_height = MAX_ROWS * fheight;
499		842
500	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	843	szHint.base_width = szHint.base_height = 2 * int_bwidth;
501		844
502	sb_w = mb_h = 0;	845	sb_w = mb_h = 0;
503	R->window_vt_x = R->window_vt_y = 0;	846	window_vt_x = window_vt_y = int_bwidth;
		847
504	if (scrollbar_visible(R)) {	848	if (scrollbar_visible ())
		849	{
505	sb_w = scrollbar_TotalWidth();	850	sb_w = scrollbar_TotalWidth ();
506	R->szHint.base_width += sb_w;	851	szHint.base_width += sb_w;
507	if (!(R->Options & Opt_scrollBar_right))	852	if (!OPTION (Opt_scrollBar_right))
508	R->window_vt_x = sb_w;	853	window_vt_x += sb_w;
509	}	854	}
		855
510	if (menubar_visible(R)) {	856	if (menubar_visible ())
		857	{
511	mb_h = menuBar_TotalHeight();	858	mb_h = menuBar_TotalHeight ();
512	R->szHint.base_height += mb_h;	859	szHint.base_height += mb_h;
513	R->window_vt_y = mb_h;	860	window_vt_y += mb_h;
514	}	861	}
		862
515	R->szHint.width_inc = R->TermWin.fwidth;	863	szHint.width_inc = fwidth;
516	R->szHint.height_inc = R->TermWin.fheight;	864	szHint.height_inc = fheight;
517	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	865	szHint.min_width = szHint.base_width + szHint.width_inc;
518	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	866	szHint.min_height = szHint.base_height + szHint.height_inc;
519		867
520	if (width && width - R->szHint.base_width < max_width) {	868	if (newwidth && newwidth - szHint.base_width < max_width)
		869	{
521	R->szHint.width = width;	870	szHint.width = newwidth;
522	R->TermWin.width = width - R->szHint.base_width;	871	width = newwidth - szHint.base_width;
523	} else {	872	}
524	MIN_IT(R->TermWin.width, max_width);	873	else
		874	{
		875	min_it (width, max_width);
525	R->szHint.width = R->szHint.base_width + R->TermWin.width;	876	szHint.width = szHint.base_width + width;
526	}	877	}
		878
527	if (height && height - R->szHint.base_height < max_height) {	879	if (newheight && newheight - szHint.base_height < max_height)
		880	{
528	R->szHint.height = height;	881	szHint.height = newheight;
529	R->TermWin.height = height - R->szHint.base_height;	882	height = newheight - szHint.base_height;
530	} else {	883	}
531	MIN_IT(R->TermWin.height, max_height);	884	else
		885	{
		886	min_it (height, max_height);
532	R->szHint.height = R->szHint.base_height + R->TermWin.height;	887	szHint.height = szHint.base_height + height;
533	}	888	}
		889
534	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	890	if (scrollbar_visible () && OPTION (Opt_scrollBar_right))
535	R->window_sb_x = R->szHint.width - sb_w;	891	window_sb_x = szHint.width - sb_w;
536		892
537	if (recalc_x)	893	if (recalc_x)
538	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	894	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
539	- R->szHint.width - 2 * R->TermWin.ext_bwidth);
540	if (recalc_y)	895	if (recalc_y)
541	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	896	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
542	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
543		897
544	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	898	ncol = width / fwidth;
545	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	899	nrow = height / fheight;
546	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	900	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
547	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	901	ncol, nrow, szHint.width,
548	R->szHint.height));	902	szHint.height));
549	return;	903	return;
550	}	904	}
551		905
552	/*----------------------------------------------------------------------*/	906	/*----------------------------------------------------------------------*/
553	/*	907	/*
554	* Tell the teletype handler what size the window is.	908	* Tell the teletype handler what size the window is.
555	* Called after a window size change.	909	* Called after a window size change.
556	*/	910	*/
557	/* EXTPROTO */
558	void	911	void
559	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	912	rxvt_term::tt_winch ()
560	{	913	{
		914	if (pty.pty < 0)
		915	return;
		916
561	struct winsize ws;	917	struct winsize ws;
562		918
563	if (fd < 0)
564	return;
565	ws.ws_col = col;	919	ws.ws_col = ncol;
566	ws.ws_row = row;	920	ws.ws_row = nrow;
567	ws.ws_xpixel = ws.ws_ypixel = 0;	921	ws.ws_xpixel = width;
568	#ifndef DEBUG_SIZE	922	ws.ws_ypixel = height;
569	(void)ioctl(fd, TIOCSWINSZ, &ws);	923	(void)ioctl (pty.pty, TIOCSWINSZ, &ws);
570	#else	924
571	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	925	#if 0
572	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	926	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
573	}
574	# ifdef SIGWINCH
575	else if (pid) /* force through to the command */	927	if (cmd_pid) /* force through to the command */
576	kill(pid, SIGWINCH);	928	kill (-cmd_pid, SIGWINCH);
577	# endif
578	#endif	929	#endif
579	}	930	}
580		931
581	/*----------------------------------------------------------------------*/	932	/*----------------------------------------------------------------------*/
582	/* rxvt_change_font() - Switch to a new font */	933	/* set_fonts () - load and set the various fonts
583	/*	934	*
584	* init = 1 - initialize	935	* init = 1 - initialize
585	*	936	*
586	* fontname == FONT_UP - switch to bigger font	937	* fontname == FONT_UP - switch to bigger font
587	* fontname == FONT_DN - switch to smaller font	938	* fontname == FONT_DN - switch to smaller font
588	*/	939	*/
589	/* EXTPROTO */	940	bool
590	void	941	rxvt_term::set_fonts ()
591	rxvt_change_font(pR_ int init, const char *fontname)
592	{	942	{
593	}	943	rxvt_fontset *fs = new rxvt_fontset (this);
		944	rxvt_fontprop prop;
594		945
595	/* INTPROTO */	946	if (!fs
596	void	947	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
597	rxvt_font_up_down(pR_ int n, int direction)	948	|| !fs->realize_font (1))
		949	{
		950	delete fs;
		951	return false;
		952	}
		953
		954	#if ENABLE_STYLES
		955	for (int i = RS_styleCount; --i; )
		956	if (fontset[i] != fontset[0])
		957	delete fontset[i];
		958	#endif
		959
		960	delete fontset[0];
		961	fontset[0] = fs;
		962
		963	prop = (*fs)[1]->properties ();
		964	prop.height += lineSpace;
		965	fs->set_prop (prop);
		966
		967	fwidth = prop.width;
		968	fheight = prop.height;
		969	fbase = prop.ascent;
		970
		971	for (int style = 1; style < 4; style++)
		972	{
		973	#if ENABLE_STYLES
		974	const char *res = rs[Rs_font + style];
		975
		976	if (res && !*res)
		977	fontset[style] = fontset[0];
		978	else
		979	{
		980	fontset[style] = fs = new rxvt_fontset (this);
		981	rxvt_fontprop prop2 = prop;
		982
		983	if (res)
		984	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		985	else
		986	{
		987	res = fontset[0]->fontdesc;
		988
		989	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		990	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		991	}
		992
		993	fs->populate (res);
		994	fs->set_prop (prop2);
		995	}
		996	#else
		997	fontset[style] = fontset[0];
		998	#endif
		999	}
		1000
		1001	if (parent[0])
		1002	{
		1003	resize_all_windows (0, 0, 0);
		1004	scr_remap_chars ();
		1005	scr_touch (true);
		1006	}
		1007
		1008	return true;
		1009	}
		1010
		1011	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
598	{	1012	{
		1013	XChangeProperty (display->display, parent[0],
		1014	prop, XA_STRING, 8, PropModeReplace,
		1015	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		1016	}
		1017
		1018	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		1019	{
		1020	wchar_t *ws = rxvt_mbstowcs (str, len);
		1021	char *s = rxvt_wcstoutf8 (ws);
		1022
		1023	XChangeProperty (display->display, parent[0],
		1024	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		1025	(const unsigned char *)s, strlen (s));
		1026
		1027	free (s);
		1028	free (ws);
599	}	1029	}
600		1030
601	/*----------------------------------------------------------------------*/	1031	/*----------------------------------------------------------------------*/
602	/*----------------------------------------------------------------------*/	1032	/*----------------------------------------------------------------------*/
603	/* xterm sequences - title, iconName, color (exptl) */	1033	/* xterm sequences - title, iconName, color (exptl) */
604	/* EXTPROTO */
605	void	1034	void
606	rxvt_set_title(pR_ const char *str)	1035	rxvt_term::set_title (const char *str)
607	{	1036	{
608	#ifndef SMART_WINDOW_TITLE	1037	set_string_property (XA_WM_NAME, str);
609	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	1038	#if ENABLE_EWMH
		1039	set_utf8_property (xa[XA_NET_WM_NAME], str);
		1040	#endif
		1041	}
		1042
		1043	void
		1044	rxvt_term::set_icon_name (const char *str)
		1045	{
		1046	set_string_property (XA_WM_ICON_NAME, str);
		1047	#if ENABLE_EWMH
		1048	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		1049	#endif
		1050	}
		1051
		1052	#ifdef XTERM_COLOR_CHANGE
		1053	void
		1054	rxvt_term::set_window_color (int idx, const char *color)
		1055	{
		1056	rxvt_color xcol;
		1057	int i;
		1058
		1059	if (color == NULL || *color == '\0')
		1060	return;
		1061
		1062	/* handle color aliases */
		1063	if (isdigit (*color))
		1064	{
		1065	i = atoi (color);
		1066
		1067	if (i >= 8 && i <= 15)
		1068	{ /* bright colors */
		1069	i -= 8;
		1070	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		1071	SET_PIXCOLOR (idx);
		1072	goto done;
		1073	}
		1074
		1075	if (i >= 0 && i <= 7)
		1076	{ /* normal colors */
		1077	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		1078	SET_PIXCOLOR (idx);
		1079	goto done;
		1080	}
		1081	}
		1082
		1083	if (!rXParseAllocColor (&xcol, color))
		1084	return;
		1085
		1086	/* XStoreColor (display->display, display->cmap, XColor*); */
		1087
		1088	/*
		1089	* FIXME: should free colors here, but no idea how to do it so instead,
		1090	* so just keep gobbling up the colormap
		1091	*/
		1092	# if 0
		1093	for (i = Color_Black; i <= Color_White; i++)
		1094	if (pix_colors[idx] == pix_colors[i])
		1095	break;
		1096	if (i > Color_White)
		1097	{
		1098	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		1099	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		1100	DisplayPlanes (display->display, display->screen));
		1101	}
		1102	# endif
		1103
		1104	pix_colors_focused[idx] = xcol;
		1105	SET_PIXCOLOR (idx);
		1106
		1107	/* XSetWindowAttributes attr; */
		1108	/* Cursor cursor; */
		1109	done:
		1110
		1111	#if OFF_FOCUS_FADING
		1112	if (rs[Rs_fade])
		1113	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		1114	#endif
		1115
		1116	/*TODO: handle Color_BD, scrollbar background, etc. */
		1117
		1118	recolour_cursor ();
		1119	scr_recolour ();
		1120	}
		1121
610	#else	1122	#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)	1123	# define set_window_color (idx,color) ((void)0)
707	#endif /* XTERM_COLOR_CHANGE */	1124	#endif /* XTERM_COLOR_CHANGE */
708		1125
709	/* EXTPROTO */
710	void	1126	void
711	rxvt_recolour_cursor(pR)	1127	rxvt_term::recolour_cursor ()
712	{	1128	{
713	rxvt_color xcol[2];	1129	XColor xcol[2];
714		1130
715	#if TODO	1131	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
716	xcol[0] = R->PixColors[Color_pointer];	1132	? pix_colors_focused[Color_pointer_fg]
717	xcol[1] = R->PixColors[Color_bg];	1133	: pix_colors_focused[Color_fg];
718	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	1134	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1135	? pix_colors_focused[Color_pointer_bg]
		1136	: pix_colors_focused[Color_bg];
		1137
		1138	XQueryColors (display->display, display->cmap, xcol, 2);
719	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1139	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
720	#endif
721	}	1140	}
722		1141
723	/*----------------------------------------------------------------------*/	1142	/*----------------------------------------------------------------------*/
724	/*	1143	/*
725	* find if fg/bg matches any of the normal (low-intensity) colors	1144	* find if fg/bg matches any of the normal (low-intensity) colors
726	*/	1145	*/
727	/* INTPROTO */
728	void	1146	void
729	rxvt_set_colorfgbg(pR)	1147	rxvt_term::set_colorfgbg ()
730	{	1148	{
731	unsigned int i;	1149	unsigned int i;
732	const char *xpmb = "\0";	1150	const char *xpmb = "\0";
733	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1151	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
734		1152
735	R->env_colorfgbg =
736	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1153	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
737	STRCPY(fstr, "default");	1154	strcpy (fstr, "default");
738	STRCPY(bstr, "default");	1155	strcpy (bstr, "default");
739	for (i = Color_Black; i <= Color_White; i++)	1156	for (i = Color_Black; i <= Color_White; i++)
740	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1157	if (pix_colors[Color_fg] == pix_colors[i])
		1158	{
741	sprintf(fstr, "%d", (i - Color_Black));	1159	sprintf (fstr, "%d", (i - Color_Black));
742	break;	1160	break;
743	}	1161	}
		1162
744	for (i = Color_Black; i <= Color_White; i++)	1163	for (i = Color_Black; i <= Color_White; i++)
745	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1164	if (pix_colors[Color_bg] == pix_colors[i])
		1165	{
746	sprintf(bstr, "%d", (i - Color_Black));	1166	sprintf (bstr, "%d", (i - Color_Black));
747	#ifdef XPM_BACKGROUND	1167	#ifdef XPM_BACKGROUND
748	xpmb = "default;";	1168	xpmb = "default;";
749	#endif	1169	#endif
750	break;	1170	break;
751	}	1171	}
		1172
752	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1173	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	}	1174	}
765		1175
766	/*----------------------------------------------------------------------*/	1176	/*----------------------------------------------------------------------*/
767	/*
768	* Colour determination for low colour displays, routine from
769	* Hans de Goede <hans@highrise.nl>
770	*/
771		1177
772	/* EXTPROTO */
773	int	1178	int
774	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1179	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
775	{	1180	{
776	screen_in_out->set(aR_ colour);
777
778	if (!screen_in_out->set(aR_ colour)) {	1181	if (!screen_in_out->set (display, colour))
779	rxvt_print_error("can't allocate colour: %s", colour);	1182	{
		1183	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
780	return false;	1184	return false;
781	}	1185	}
782		1186
783	return true;	1187	return true;
784	}	1188	}
785		1189
786	/* -------------------------------------------------------------------- *	1190	/* -------------------------------------------------------------------- *
787	* - WINDOW RESIZING - *	1191	* - WINDOW RESIZING - *
788	* -------------------------------------------------------------------- */	1192	* -------------------------------------------------------------------- */
789	/* EXTPROTO */
790	void	1193	void
791	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1194	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
792	int ignoreparent)
793	{	1195	{
794	int fix_screen;	1196	int fix_screen;
		1197	int old_width = szHint.width, old_height = szHint.height;
		1198	dDisp;
795		1199
		1200	window_calc (newwidth, newheight);
		1201	XSetWMNormalHints (disp, parent[0], &szHint);
		1202
		1203	if (!ignoreparent)
		1204	{
796	#ifdef SMART_RESIZE	1205	#ifdef SMART_RESIZE
797	int old_width = R->szHint.width, old_height = R->szHint.height;	1206	/*
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>	1207	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
806	* reposition window on resize depending on placement on screen	1208	* reposition window on resize depending on placement on screen
807	*/	1209	*/
808	int x, y, x1, y1;	1210	int x, y, x1, y1;
809	int dx, dy;	1211	int dx, dy;
810	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1212	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
811	Window unused_cr;	1213	Window unused_cr;
812		1214
813	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1215	XTranslateCoordinates (disp, parent[0], display->root,
814	0, 0, &x, &y, &unused_cr);	1216	0, 0, &x, &y, &unused_cr);
815	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1217	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
816	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1218	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
817	/*	1219	/*
818	* if Xroot isn't the parent window, a WM will probably have offset	1220	* if display->root isn't the parent window, a WM will probably have offset
819	* our position for handles and decorations. Counter it	1221	* our position for handles and decorations. Counter it
820	*/	1222	*/
821	if (x1 != x || y1 != y) {	1223	if (x1 != x || y1 != y)
		1224	{
822	x -= x1;	1225	x -= x1;
823	y -= y1;	1226	y -= y1;
824	}	1227	}
825		1228
826	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1229	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
827	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1230	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
828	dx = old_width - R->szHint.width;	1231	dx = old_width - szHint.width;
829	dy = old_height - R->szHint.height;	1232	dy = old_height - szHint.height;
830		1233
831	/* Check position of the center of the window */	1234	/* Check position of the center of the window */
832	if (x < x1) /* left half */	1235	if (x < x1) /* left half */
833	dx = 0;	1236	dx = 0;
834	else if (x == x1) /* exact center */	1237	else if (x == x1) /* exact center */
835	dx /= 2;	1238	dx /= 2;
836	if (y < y1) /* top half */	1239	if (y < y1) /* top half */
837	dy = 0;	1240	dy = 0;
838	else if (y == y1) /* exact center */	1241	else if (y == y1) /* exact center */
839	dy /= 2;	1242	dy /= 2;
840		1243
841	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1244	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
842	R->szHint.width, R->szHint.height);	1245	szHint.width, szHint.height);
843	#else	1246	#else
844	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1247	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
845	R->szHint.height);
846	#endif	1248	#endif
847	}	1249	}
848		1250
849	fix_screen = (R->TermWin.ncol != R->prev_ncol	1251	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
850	|| R->TermWin.nrow != R->prev_nrow);	1252
851	if (fix_screen || width != R->old_width || height != R->old_height) {	1253	if (fix_screen || newwidth != old_width || newheight != old_height)
		1254	{
852	if (scrollbar_visible(R)) {	1255	if (scrollbar_visible ())
		1256	{
853	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1257	XMoveResizeWindow (disp, scrollBar.win,
		1258	window_sb_x, 0,
854	0, scrollbar_TotalWidth(), R->szHint.height);	1259	scrollbar_TotalWidth (), szHint.height);
855	rxvt_Resize_scrollBar(aR);	1260	resize_scrollbar ();
856	}	1261	}
		1262
857	if (menubar_visible(R))	1263	if (menubar_visible ())
858	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1264	XMoveResizeWindow (disp, menuBar.win,
		1265	window_vt_x, 0,
859	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1266	width, menuBar_TotalHeight ());
860	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,	1267
861	R->window_vt_y, TermWin_TotalWidth(),	1268	XMoveResizeWindow (disp, vt,
		1269	window_vt_x, window_vt_y,
862	TermWin_TotalHeight());	1270	width, height);
863	#ifdef RXVT_GRAPHICS	1271
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);	1272	scr_clear ();
869	#ifdef XPM_BACKGROUND	1273	#ifdef XPM_BACKGROUND
870	rxvt_resize_pixmap(aR);	1274	resize_pixmap ();
871	#endif	1275	#endif
872	}	1276	}
873		1277
874	if (fix_screen || R->old_height == 0) {	1278	if (fix_screen || old_height == 0)
		1279	{
875	int curr_screen = -1;	1280	int curr_screen = -1;
876	uint16_t old_ncol = R->prev_ncol;	1281	int old_ncol = prev_ncol;
877		1282
878	/* scr_reset only works on the primary screen */	1283	/* scr_reset only works on the primary screen */
879	if (R->old_height) /* this is not the first time through */	1284	if (old_height) /* this is not the first time through */
		1285	{
		1286	unsigned int ocol = ncol;
		1287	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
880	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1288	curr_screen = scr_change_screen (PRIMARY);
881	rxvt_scr_reset(aR);	1289	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	}	1290	}
886	}
887		1291
		1292	scr_reset ();
		1293
		1294	if (curr_screen >= 0) /* this is not the first time through */
		1295	{
		1296	scr_change_screen (curr_screen);
		1297	selection_check (old_ncol != ncol ? 4 : 0);
		1298	}
		1299	}
		1300
888	R->old_width = R->szHint.width;	1301	old_width = szHint.width;
889	R->old_height = R->szHint.height;	1302	old_height = szHint.height;
		1303
		1304	#ifdef XPM_BACKGROUND
		1305	if (pixmap)
		1306	scr_touch (false);
		1307	#endif
890		1308
891	#ifdef USE_XIM	1309	#ifdef USE_XIM
892	rxvt_IMSetStatusPosition(aR);	1310	IMSetStatusPosition ();
893	#endif	1311	#endif
894	}	1312	}
895		1313
896	/*	1314	/*
897	* Set the width/height of the vt window in characters. Units are pixels.	1315	* Set the width/height of the vt window in characters. Units are pixels.
898	* good for toggling 80/132 columns	1316	* good for toggling 80/132 columns
899	*/	1317	*/
900	/* EXTPROTO */
901	void	1318	void
902	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1319	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
903	{	1320	{
904	XWindowAttributes wattr;	1321	XWindowAttributes wattr;
905		1322
906	if (width == 0 || height == 0) {	1323	if (newwidth == 0 || newheight == 0)
		1324	{
907	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1325	XGetWindowAttributes (display->display, display->root, &wattr);
		1326
908	if (width == 0)	1327	if (newwidth == 0)
909	width = wattr.width - R->szHint.base_width;	1328	newwidth = wattr.width - szHint.base_width;
910	if (height == 0)	1329	if (newheight == 0)
911	height = wattr.height - R->szHint.base_height;	1330	newheight = wattr.height - szHint.base_height;
		1331	}
		1332
		1333	if (newwidth != width || newheight != height)
912	}	1334	{
913	if (width != R->TermWin.width || height != R->TermWin.height) {
914	width += R->szHint.base_width;	1335	newwidth += szHint.base_width;
915	height += R->szHint.base_height;	1336	newheight += szHint.base_height;
916	rxvt_resize_all_windows(aR_ width, height, 0);	1337	resize_all_windows (newwidth, newheight, 0);
917	}	1338	}
918	}	1339	}
919		1340
920	/* -------------------------------------------------------------------- *	1341	/* -------------------------------------------------------------------- *
921	* - X INPUT METHOD ROUTINES - *	1342	* - X INPUT METHOD ROUTINES - *
922	* -------------------------------------------------------------------- */	1343	* -------------------------------------------------------------------- */
923	#ifdef USE_XIM	1344	#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		1345
934	/* INTPROTO */
935	void	1346	void
936	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1347	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
937	{	1348	{
938	*fg = R->PixColors[Color_fg];	1349	fg = pix_colors[Color_fg];
939	*bg = R->PixColors[Color_bg];	1350	bg = pix_colors[Color_bg];
		1351	}
		1352
		1353	void
		1354	rxvt_term::im_set_size (XRectangle &size)
		1355	{
		1356	// the int_bwidth terms make no sense to me
		1357	size.x = int_bwidth;
		1358	size.y = int_bwidth;
		1359	size.width = Width2Pixel (ncol) + int_bwidth;
		1360	size.height = Height2Pixel (nrow) + int_bwidth;
		1361	}
		1362
		1363	void
		1364	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1365	XRectangle &status_rect,
		1366	const XRectangle &needed_rect)
		1367	{
		1368	preedit_rect.x = needed_rect.width;
		1369	preedit_rect.y = 0;
		1370	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1371	preedit_rect.height = fheight;
		1372
		1373	status_rect.x = 0;
		1374	status_rect.y = 0;
		1375	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1376	status_rect.height = fheight;
940	}	1377	}
941		1378
942	/* Checking whether input method is running. */	1379	/* Checking whether input method is running. */
943	/* INTPROTO */
944	Bool	1380	bool
945	rxvt_IMisRunning(pR)	1381	rxvt_term::IMisRunning ()
946	{	1382	{
947	char *p;	1383	char *p;
948	Atom atom;	1384	Atom atom;
949	Window win;	1385	Window win;
950	char server[IMBUFSIZ];	1386	char server[IMBUFSIZ];
951		1387
952	/* get current locale modifier */	1388	/* get current locale modifier */
953	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1389	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1390	{
954	STRCPY(server, "@server=");	1391	strcpy (server, "@server=");
955	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1392	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1393
956	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1394	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
957	*p = '\0';	1395	*p = '\0';
958		1396
959	atom = XInternAtom(R->Xdisplay, server, False);	1397	atom = XInternAtom (display->display, server, False);
960	win = XGetSelectionOwner(R->Xdisplay, atom);	1398	win = XGetSelectionOwner (display->display, atom);
		1399
961	if (win != None)	1400	if (win != None)
962	return True;	1401	return True;
963	}	1402	}
		1403
964	return False;	1404	return False;
965	}	1405	}
966		1406
967	/* EXTPROTO */
968	void	1407	void
969	rxvt_IMSendSpot(pR)	1408	rxvt_term::IMSendSpot ()
970	{	1409	{
971	XPoint spot;	1410	XPoint nspot;
972	XVaNestedList preedit_attr;	1411	XVaNestedList preedit_attr;
973		1412
974	if (R->Input_Context == NULL	1413	if (!Input_Context
		1414	|| !focus
975	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1415	|| !(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;	1416	return;
983		1417
984	rxvt_setPosition(aR_ & spot);	1418	im_set_position (nspot);
985		1419
		1420	if (nspot.x == spot.x && nspot.y == spot.y)
		1421	return;
		1422
		1423	spot = nspot;
		1424
986	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1425	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
987	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1426	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
988	XFree(preedit_attr);	1427	XFree (preedit_attr);
989	}	1428	}
990		1429
991	/* EXTPROTO */
992	void	1430	void
993	rxvt_setTermFontSet(pR_ int idx)	1431	rxvt_term::im_destroy ()
994	{	1432	{
995	char *string;	1433	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	}	1434	{
1090	if (found)	1435	if (Input_Context && input_method->xim)
1091	return;	1436	XDestroyIC (Input_Context);
1092		1437
1093	/* try with XMODIFIERS env. var. */	1438	display->put_xim (input_method);
1094	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1439	input_method = 0;
1095	rxvt_IM_get_IC(aR);
1096	return;
1097	}	1440	}
1098		1441
1099	/* try with no modifiers base IF the user didn't specify an IM */	1442	Input_Context = 0;
1100	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1101	&& rxvt_IM_get_IC(aR) == True)
1102	return;
1103	}	1443	}
1104		1444
1105	/*	1445	/*
1106	* Try to open a XIM with the current modifiers, then see if we can	1446	* Try to open a XIM with the current modifiers, then see if we can
1107	* open a suitable preedit type	1447	* open a suitable preedit type
1108	*/	1448	*/
1109	/* INTPROTO */
1110	Bool	1449	bool
1111	rxvt_IM_get_IC(pR)	1450	rxvt_term::IM_get_IC (const char *modifiers)
1112	{	1451	{
1113	int i, j, found;	1452	int i, j, found;
1114	XIM xim;	1453	XIM xim;
1115	XPoint spot;	1454	XPoint spot;
1116	XRectangle rect, status_rect, needed_rect;	1455	XRectangle rect, status_rect, needed_rect;
1117	unsigned long fg, bg;	1456	unsigned long fg, bg;
1118	const char *p;	1457	const char *p;
1119	char **s;	1458	char **s;
1120	XIMStyles *xim_styles;	1459	XIMStyles *xim_styles;
1121	XVaNestedList preedit_attr, status_attr;
1122	XIMCallback ximcallback;
1123		1460
		1461	TEMP_ENV;
		1462
		1463	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1464	return false;
		1465
1124	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1466	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1125	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1467	input_method = display->get_xim (locale, modifiers);
1126	if (xim == NULL)	1468	if (input_method == NULL)
1127	return False;	1469	return false;
1128		1470
		1471	xim = input_method->xim;
		1472	spot.x = spot.y = -1;
		1473
1129	xim_styles = NULL;	1474	xim_styles = NULL;
1130	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1475	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1131	|| !xim_styles || !xim_styles->count_styles) {	1476	|| !xim_styles || !xim_styles->count_styles)
1132	XCloseIM(xim);	1477	{
		1478	im_destroy ();
1133	return False;	1479	return false;
		1480	}
		1481
		1482	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1483
		1484	for (int pi = 0; pi < 2; pi++)
1134	}	1485	{
		1486	p = pet[pi];
1135		1487
1136	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1488	if (!p)
1137	: "OverTheSpot,OffTheSpot,Root";	1489	continue;
		1490
1138	s = rxvt_splitcommastring(p);	1491	s = rxvt_splitcommastring (p);
		1492
1139	for (i = found = 0; !found && s[i]; i++) {	1493	for (i = found = 0; !found && s[i]; i++)
		1494	{
1140	if (!STRCMP(s[i], "OverTheSpot"))	1495	if (!strcmp (s[i], "OverTheSpot"))
1141	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1496	input_style = (XIMPreeditPosition | XIMStatusNothing);
1142	else if (!STRCMP(s[i], "OffTheSpot"))	1497	else if (!strcmp (s[i], "OffTheSpot"))
1143	R->input_style = (XIMPreeditArea | XIMStatusArea);	1498	input_style = (XIMPreeditArea | XIMStatusArea);
1144	else if (!STRCMP(s[i], "Root"))	1499	else if (!strcmp (s[i], "Root"))
1145	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1500	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1501	else if (!strcmp (s[i], "None"))
		1502	input_style = (XIMPreeditNone | XIMStatusNone);
1146		1503
1147	for (j = 0; j < xim_styles->count_styles; j++)	1504	for (j = 0; j < xim_styles->count_styles; j++)
1148	if (R->input_style == xim_styles->supported_styles[j]) {	1505	if (input_style == xim_styles->supported_styles[j])
		1506	{
		1507	rxvt_freecommastring (s);
		1508
1149	found = 1;	1509	found = 1;
		1510	goto foundpet;
		1511	}
		1512
		1513	}
		1514
		1515	rxvt_freecommastring (s);
		1516	}
		1517
		1518	foundpet:
		1519
		1520	XFree (xim_styles);
		1521
		1522	if (!found)
		1523	{
		1524	im_destroy ();
		1525	return false;
		1526	}
		1527
		1528	XFontSet fs = 0;
		1529	XVaNestedList preedit_attr = 0, status_attr = 0;
		1530
		1531	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1532	{
		1533	// fake us a font-set, please
		1534	char **missing_charset_list;
		1535	int missing_charset_count;
		1536	char *def_string;
		1537	char pat[512];
		1538
		1539	sprintf (pat,
		1540	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1541	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1542	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1543	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1544	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1545	"*",
		1546	fheight,
		1547	fheight + 1, fheight - 1,
		1548	fheight - 2, fheight + 2);
		1549
		1550	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1551	&missing_charset_list, &missing_charset_count, &def_string);
		1552
		1553	if (missing_charset_list)
		1554	XFreeStringList (missing_charset_list);
		1555
		1556	if (!fs)
		1557	{
		1558	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1559	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1560	}
		1561	}
		1562
		1563	if (input_style & XIMPreeditPosition)
		1564	{
		1565	im_set_size (rect);
		1566	im_set_position (spot);
		1567	im_set_color (fg, bg);
		1568
		1569	preedit_attr = XVaCreateNestedList (0,
		1570	XNForeground, fg,
		1571	XNBackground, bg,
		1572	XNArea, &rect,
		1573	XNSpotLocation, &spot,
		1574	XNFontSet, fs,
		1575	NULL);
		1576	}
		1577	else if (input_style & XIMPreeditArea)
		1578	{
		1579	im_set_color (fg, bg);
		1580
		1581	/*
		1582	* The necessary width of preedit area is unknown
		1583	* until create input context.
		1584	*/
		1585	needed_rect.width = 0;
		1586	im_set_preedit_area (rect, status_rect, needed_rect);
		1587
		1588	preedit_attr = XVaCreateNestedList (0,
		1589	XNForeground, fg,
		1590	XNBackground, bg,
		1591	XNArea, &rect,
		1592	XNFontSet, fs,
		1593	NULL);
		1594	status_attr = XVaCreateNestedList (0,
		1595	XNForeground, fg,
		1596	XNBackground, bg,
		1597	XNArea, &status_rect,
		1598	XNFontSet, fs,
		1599	NULL);
		1600	}
		1601
		1602	Input_Context = XCreateIC (xim,
		1603	XNInputStyle, input_style,
		1604	XNClientWindow, vt,
		1605	XNFocusWindow, parent[0],
		1606	preedit_attr ? XNPreeditAttributes : NULL,
		1607	preedit_attr,
		1608	status_attr ? XNStatusAttributes : NULL,
		1609	status_attr, NULL);
		1610
		1611	if (preedit_attr) XFree (preedit_attr);
		1612	if (status_attr) XFree (status_attr);
		1613	if (fs) XFreeFontSet (display->display, fs);
		1614
		1615	if (Input_Context == NULL)
		1616	{
		1617	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1618	im_destroy ();
		1619	return false;
		1620	}
		1621
		1622	if (input_style & XIMPreeditArea)
		1623	IMSetStatusPosition ();
		1624
		1625	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
		1626	return true;
		1627	}
		1628
		1629	void
		1630	rxvt_term::im_cb ()
		1631	{
		1632	int i;
		1633	const char *p;
		1634	char **s;
		1635	char buf[IMBUFSIZ];
		1636
		1637	SET_R (this);
		1638
		1639	im_destroy ();
		1640
		1641	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
		1642	if (Input_Context)
		1643	return;
		1644
		1645	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1646	if (rs[Rs_imLocale])
		1647	SET_LOCALE (rs[Rs_imLocale]);
		1648	#endif
		1649
		1650	p = rs[Rs_inputMethod];
		1651	if (p && *p)
		1652	{
		1653	bool found = false;
		1654
		1655	s = rxvt_splitcommastring (p);
		1656
		1657	for (i = 0; s[i]; i++)
		1658	{
		1659	if (*s[i])
		1660	{
		1661	strcpy (buf, "@im=");
		1662	strncat (buf, s[i], IMBUFSIZ - 5);
		1663	if (IM_get_IC (buf))
		1664	{
		1665	found = true;
1150	break;	1666	break;
		1667	}
1151	}	1668	}
1152	}	1669	}
1153	for (i = 0; s[i]; i++)
1154	free(s[i]);
1155	free(s);
1156	XFree(xim_styles);
1157		1670
		1671	rxvt_freecommastring (s);
		1672
1158	if (!found) {	1673	if (found)
1159	XCloseIM(xim);	1674	goto done;
1160	return False;
1161	}	1675	}
1162		1676
1163	ximcallback.callback = rxvt_IMDestroyCallback;	1677	/* try with XMODIFIERS env. var. */
		1678	if (IM_get_IC (""))
		1679	goto done;
1164		1680
1165	/* XXX: not sure why we need this (as well as IC one below) */	1681	/* try with no modifiers base IF the user didn't specify an IM */
1166	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1682	if (IM_get_IC ("@im=none"))
		1683	goto done;
1167		1684
1168	preedit_attr = status_attr = NULL;	1685	done:
1169		1686	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1170	if (R->input_style & XIMPreeditPosition) {	1687	if (rs[Rs_imLocale])
1171	rxvt_setSize(aR_ & rect);	1688	SET_LOCALE (locale);
1172	rxvt_setPosition(aR_ & spot);	1689	#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	}	1690	}
1222		1691
1223	/* EXTPROTO */
1224	void	1692	void
1225	rxvt_IMSetStatusPosition(pR)	1693	rxvt_term::IMSetStatusPosition ()
1226	{	1694	{
1227	XRectangle preedit_rect, status_rect, *needed_rect;	1695	XRectangle preedit_rect, status_rect, *needed_rect;
1228	XVaNestedList preedit_attr, status_attr;	1696	XVaNestedList preedit_attr, status_attr;
1229		1697
1230	if (R->Input_Context == NULL	1698	if (!Input_Context
		1699	|| !focus
1231	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1700	|| !(input_style & XIMPreeditArea)
1232	|| !rxvt_IMisRunning(aR))	1701	|| !IMisRunning ())
1233	return;	1702	return;
1234		1703
1235	/* Getting the necessary width of preedit area */	1704	/* Getting the necessary width of preedit area */
1236	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1705	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1237	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1706	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1238	XFree(status_attr);	1707	XFree (status_attr);
1239		1708
1240	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1709	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1710	XFree (needed_rect);
1241		1711
1242	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1712	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1243	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1713	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1244		1714
1245	XSetICValues(R->Input_Context,	1715	XSetICValues (Input_Context,
1246	XNPreeditAttributes, preedit_attr,	1716	XNPreeditAttributes, preedit_attr,
1247	XNStatusAttributes, status_attr, NULL);	1717	XNStatusAttributes, status_attr, NULL);
1248		1718
1249	XFree(preedit_attr);	1719	XFree (preedit_attr);
1250	XFree(status_attr);	1720	XFree (status_attr);
1251	}	1721	}
1252	#endif /* USE_XIM */	1722	#endif /* USE_XIM */
1253		1723
1254	/*----------------------------------------------------------------------*/	1724	/*----------------------------------------------------------------------*/
1255	rxvt_t rxvt_current_term;	1725	rxvt_t rxvt_current_term;

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