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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.5 by pcg, Tue Nov 25 15:44:38 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 1.5 2003/11/25 15:44:38 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),
66	#endif	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),
		183	#endif
		184	#ifdef POINTER_BLANK
		185	pointer_ev (this, &rxvt_term::pointer_cb),
		186	#endif
		187	#ifdef USE_XIM
		188	im_ev (this, &rxvt_term::im_cb),
		189	#endif
		190	termwin_ev (this, &rxvt_term::x_cb),
67	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)
68	{	197	{
69	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 ();
70	}	222	}
71		223
72	rxvt_term::~rxvt_term ()	224	rxvt_term::~rxvt_term ()
73	{	225	{
74	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;
75	}	385	}
76		386
77	/*----------------------------------------------------------------------*/	387	/*----------------------------------------------------------------------*/
78	/* rxvt_init() */	388	/*
79	/* LIBPROTO */	389	* Exit gracefully, clearing the utmp entry and restoring tty attributes
80	rxvt_t	390	* TODO: if debugging, this should free up any known resources if we can
81	rxvt_init(int argc, const char *const *argv)	391	*/
82	{	392	static XErrorHandler old_xerror_handler;
83	SET_R(new rxvt_term);
84	dR;
85		393
86	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);
87	{	422	}
88	delete R;	423	if ((event->error_code == BadWindow) ||
89	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
90	}	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	}
91		465
92	return R;	466	return 0;
93	}	467	}
94		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	/*----------------------------------------------------------------------*/
95	bool	479	bool
96	rxvt_term::init (int argc, const char *const *argv)	480	rxvt_term::init (int argc, const char *const *argv)
97	{	481	{
98	dR;//TODO (scrollbar, setidle)	482	SET_R (this);
99		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	{
100	/*	633	/*
101	* Save and then give up any super-user privileges	634	* Save and then give up any super-user privileges
102	* 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.
103	* We should only need to be root in these cases:	636	* We should only need to be root in these cases:
104	* 1. write utmp entries on some systems	637	* 1. write utmp entries on some systems
105	* 2. chown tty on some systems	638	* 2. chown tty on some systems
106	*/	639	*/
107	rxvt_privileges (this, SAVE);	640	rxvt_privileges (SAVE);
108	rxvt_privileges (this, IGNORE);	641	rxvt_privileges (IGNORE);
109		642
110	rxvt_init_secondary (this);	643	signal (SIGHUP, SIG_IGN);
		644	signal (SIGPIPE, SIG_IGN);
111		645
112	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);
113		649
114	#if (MENUBAR_MAX)	650	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
115	rxvt_menubar_read (this, rs[Rs_menu]);	651	/* signal (SIGURG, SIG_DFL); */
116	#endif
117	#ifdef HAVE_SCROLLBARS
118	if (Options & Opt_scrollBar)
119	scrollbar_setIdle (); /* set existence for size calculations */
120	#endif
121		652
122	rxvt_Create_Windows (this, argc, argv);
123
124	rxvt_init_xlocale (this);
125
126	rxvt_scr_reset (this); /* initialize screen */
127	#ifdef RXVT_GRAPHICS
128	rxvt_Gr_reset (this); /* reset graphics */
129	#endif
130
131	#if 0
132	#ifdef DEBUG_X
133	XSynchronize(Xdisplay, True);
134	XSetErrorHandler((XErrorHandler) abort);
135	#else
136	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);	653	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
137	#endif	654	// TODO: handle this with exceptions and tolerate the memory loss
138	#endif	655	XSetIOErrorHandler (rxvt_xioerror_handler);
139		656
140	#ifdef HAVE_SCROLLBARS	657	XrmInitialize ();
141	if (Options & Opt_scrollBar)
142	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
143	#endif
144	#if (MENUBAR_MAX)
145	if (menubar_visible(r))
146	XMapWindow (Xdisplay, menuBar.win);
147	#endif
148	#ifdef TRANSPARENT
149	if (Options & Opt_transparent)
150	{
151	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
152	rxvt_check_our_parents (this);
153	}
154	#endif
155	XMapWindow (Xdisplay, TermWin.vt);
156	XMapWindow (Xdisplay, TermWin.parent[0]);
157
158	rxvt_init_env (this);
159	rxvt_init_command (this, cmd_argv);
160
161	x_ev.start (Xfd, EVENT_READ);
162	pty_ev.start (cmd_fd, EVENT_READ);
163
164	return true;
165	}
166
167	/* ------------------------------------------------------------------------- *
168	* SIGNAL HANDLING & EXIT HANDLER *
169	* ------------------------------------------------------------------------- */
170	/*
171	* Catch a SIGCHLD signal and exit if the direct child has died
172	*/
173	/* ARGSUSED */
174	/* EXTPROTO */
175	RETSIGTYPE
176	rxvt_Child_signal(int sig __attribute__ ((unused)))
177	{
178	dR;
179	int pid, save_errno = errno;
180
181	do {
182	errno = 0;
183	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
184
185	if (pid == R->cmd_pid)
186	exit(EXIT_SUCCESS);
187
188	errno = save_errno;
189	signal(SIGCHLD, rxvt_Child_signal);
190	}
191
192	/*
193	* Catch a fatal signal and tidy up before quitting
194	*/
195	/* EXTPROTO */
196	RETSIGTYPE
197	rxvt_Exit_signal(int sig)
198	{
199	signal(sig, SIG_DFL);
200	#ifdef DEBUG_CMD
201	rxvt_print_error("signal %d", sig);
202	#endif
203	rxvt_clean_exit();
204	kill(getpid(), sig);
205	}
206
207	/* ARGSUSED */
208	/* INTPROTO */
209	int
210	rxvt_xerror_handler(const Display * display
211	__attribute__ ((unused)), const XErrorEvent * event)
212	{
213	dR;
214
215	if (R->allowedxerror == -1) {
216	R->allowedxerror = event->error_code;
217	return 0; /* ignored anyway */
218	}
219	rxvt_print_error("XError: Request: %d . %d, Error: %d",
220	event->request_code, event->minor_code,
221	event->error_code);
222	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
223	exit(EXIT_FAILURE);
224	/* NOTREACHED */
225	}
226
227	/*----------------------------------------------------------------------*/
228	/*
229	* Exit gracefully, clearing the utmp entry and restoring tty attributes
230	* TODO: if debugging, this should free up any known resources if we can
231	*/
232	/* EXTPROTO */
233	void
234	rxvt_clean_exit(void)
235	{
236	dR;
237
238	#ifdef DEBUG_SCREEN
239	rxvt_scr_release(aR);
240	#endif
241	#ifndef NO_SETOWNER_TTYDEV
242	rxvt_privileged_ttydev(aR_ RESTORE);
243	#endif
244	#ifdef UTMP_SUPPORT
245	rxvt_privileged_utmp(aR_ RESTORE);
246	#endif
247	#ifdef USE_XIM
248	if (R->Input_Context != NULL) {
249	XDestroyIC(R->Input_Context);
250	R->Input_Context = NULL;
251	}
252	#endif
253	}	658	}
254		659
255	/* ------------------------------------------------------------------------- *	660	/* ------------------------------------------------------------------------- *
256	* MEMORY ALLOCATION WRAPPERS *	661	* MEMORY ALLOCATION WRAPPERS *
257	* ------------------------------------------------------------------------- */	662	* ------------------------------------------------------------------------- */
258	/* 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
259	void *	685	void *
260	rxvt_malloc(size_t size)
261	{
262	void *p;
263
264	p = malloc(size);
265	if (p)
266	return p;
267
268	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
269	rxvt_clean_exit();
270	exit(EXIT_FAILURE);
271	/* NOTREACHED */
272	}
273
274	/* EXTPROTO */
275	void *
276	rxvt_calloc(size_t number, size_t size)
277	{
278	void *p;
279
280	p = calloc(number, size);
281	if (p)
282	return p;
283
284	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
285	rxvt_clean_exit();
286	exit(EXIT_FAILURE);
287	/* NOTREACHED */
288	}
289
290	/* EXTPROTO */
291	void *
292	rxvt_realloc(void *ptr, size_t size)	686	rxvt_realloc (void *ptr, size_t size)
293	{	687	{
294	void *p;
295
296	if (ptr)
297	p = realloc(ptr, size);	688	void *p = realloc (ptr, size);
298	else	689
299	p = malloc(size);
300	if (p)	690	if (!p)
		691	rxvt_fatal ("memory allocation failure. aborting.\n");
		692
301	return p;	693	return p;
302
303	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
304	rxvt_clean_exit();
305	exit(EXIT_FAILURE);
306	/* NOTREACHED */
307	}	694	}
308		695
309	/* ------------------------------------------------------------------------- *	696	/* ------------------------------------------------------------------------- *
310	* PRIVILEGED OPERATIONS *	697	* PRIVILEGED OPERATIONS *
311	* ------------------------------------------------------------------------- */	698	* ------------------------------------------------------------------------- */
312	/* take care of suid/sgid super-user (root) privileges */	699	/* take care of suid/sgid super-user (root) privileges */
313	/* INTPROTO */
314	void	700	void
315	rxvt_privileges(pR_ int mode)	701	rxvt_privileges (rxvt_privaction action)
316	{	702	{
317	#if ! defined(__CYGWIN32__)	703	#if ! defined(__CYGWIN32__)
318	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	704	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
319	/* setreuid() is the poor man's setuid(), seteuid() */	705	/* setreuid () is the poor man's setuid (), seteuid () */
320	# define seteuid(a) setreuid(-1, (a))	706	# define seteuid(a) setreuid(-1, (a))
321	# define setegid(a) setregid(-1, (a))	707	# define setegid(a) setregid(-1, (a))
322	# define HAVE_SETEUID	708	# define HAVE_SETEUID
323	# endif	709	# endif
324	# ifdef HAVE_SETEUID	710	# ifdef HAVE_SETEUID
325	switch (mode) {	711	switch (action)
		712	{
326	case IGNORE:	713	case IGNORE:
327	/*	714	/*
328	* 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
329	* back to root later, as required	716	* back to root later, as required
330	*/	717	*/
331	seteuid(getuid());
332	setegid(getgid());	718	setegid (getgid ());
		719	seteuid (getuid ());
333	break;	720	break;
334	case SAVE:	721	case SAVE:
335	R->euid = geteuid();
336	R->egid = getegid();	722	saved_egid = getegid ();
		723	saved_euid = geteuid ();
337	break;	724	break;
338	case RESTORE:	725	case RESTORE:
339	seteuid(R->euid);
340	setegid(R->egid);	726	setegid (saved_egid);
		727	seteuid (saved_euid);
341	break;	728	break;
342	}	729	}
343	# else	730	# else
344	switch (mode) {	731	switch (action)
		732	{
345	case IGNORE:	733	case IGNORE:
346	setuid(getuid());
347	setgid(getgid());	734	setgid (getgid ());
		735	setuid (getuid ());
348	/* FALLTHROUGH */	736	/* FALLTHROUGH */
349	case SAVE:	737	case SAVE:
350	/* FALLTHROUGH */	738	/* FALLTHROUGH */
351	case RESTORE:	739	case RESTORE:
352	break;	740	break;
353	}	741	}
354	# endif	742	# endif
355	#endif	743	#endif
356	}	744	}
357		745
358	#ifdef UTMP_SUPPORT	746	#ifdef UTMP_SUPPORT
359	/* EXTPROTO */
360	void	747	void
361	rxvt_privileged_utmp(pR_ char action)	748	rxvt_term::privileged_utmp (rxvt_privaction action)
362	{	749	{
363	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",	750	if (OPTION (Opt_utmpInhibit)
364	action, R->next_utmp_action, getpid()));	751	|| !pty.name || !*pty.name)
365	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
366	|| (R->Options & Opt_utmpInhibit)
367	|| R->ttydev == NULL || *R->ttydev == '\0')
368	return;	752	return;
369		753
370	rxvt_privileges(aR_ RESTORE);	754	rxvt_privileges (RESTORE);
		755
371	if (action == SAVE) {	756	if (action == SAVE)
372	R->next_utmp_action = RESTORE;	757	makeutent (pty.name, rs[Rs_display_name]);
373	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	758	else
374	} else { /* action == RESTORE */	759	cleanutent ();
375	R->next_utmp_action = IGNORE;	760
376	rxvt_cleanutent(aR);
377	}
378	rxvt_privileges(aR_ IGNORE);	761	rxvt_privileges (IGNORE);
379	}
380	#endif
381
382	#ifndef NO_SETOWNER_TTYDEV
383	/* EXTPROTO */
384	void
385	rxvt_privileged_ttydev(pR_ char action)
386	{
387	D_MAIN((stderr,
388	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
389	action, R->next_tty_action, getpid()));
390	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
391	|| R->ttydev == NULL || *R->ttydev == '\0')
392	return;
393
394	rxvt_privileges(aR_ RESTORE);
395
396	if (action == SAVE) {
397	R->next_tty_action = RESTORE;
398	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
399	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
400	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
401	R->next_tty_action = IGNORE;
402	else
403	# endif
404	{
405	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
406	chmod(R->ttydev, R->ttymode);
407	# ifdef HAVE_REVOKE
408	revoke(R->ttydev);
409	# endif
410	}
411	} else { /* action == RESTORE */
412	R->next_tty_action = IGNORE;
413	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
414	chmod(R->ttydev, R->ttyfd_stat.st_mode);
415	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
416	# else
417	chmod(R->ttydev,
418	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
419	chown(R->ttydev, 0, 0);
420	# endif
421	}
422
423	rxvt_privileges(aR_ IGNORE);
424
425	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
426	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
427	action == RESTORE ? "Restoring" : (action ==
428	SAVE ? "Saving" :
429	"UNKNOWN ERROR for"), R->ttydev,
430	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
431	R->ttyfd_stat.st_gid));
432	# endif
433	}	762	}
434	#endif	763	#endif
435		764
436	/*----------------------------------------------------------------------*/	765	/*----------------------------------------------------------------------*/
437	/*	766	/*
438	* window size/position calculcations for XSizeHint and other storage.	767	* window size/position calculcations for XSizeHint and other storage.
439	* if width/height are non-zero then override calculated width/height	768	* if width/height are non-zero then override calculated width/height
440	*/	769	*/
441	/* EXTPROTO */
442	void	770	void
443	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	771	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
444	{	772	{
445	short recalc_x, recalc_y;	773	short recalc_x, recalc_y;
446	int x, y, sb_w, mb_h, flags;	774	int x, y, sb_w, mb_h, flags;
447	unsigned int w, h;	775	unsigned int w, h;
448	unsigned int max_width, max_height;	776	unsigned int max_width, max_height;
		777	dDisp;
449		778
450	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",
451	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	780	ncol, nrow, szHint.width, szHint.height));
452	R->szHint.height));	781
453	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	782	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
454	R->szHint.win_gravity = NorthWestGravity;	783	szHint.win_gravity = NorthWestGravity;
455	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	784	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
456		785
457	recalc_x = recalc_y = 0;	786	recalc_x = recalc_y = 0;
458	flags = 0;	787	flags = 0;
		788
459	if (!R->parsed_geometry) {	789	if (!parsed_geometry)
		790	{
460	R->parsed_geometry = 1;	791	parsed_geometry = 1;
		792
461	if (R->rs[Rs_geometry])	793	if (rs[Rs_geometry])
462	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	794	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		795
463	if (flags & WidthValue) {	796	if (flags & WidthValue)
464	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	797	{
		798	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
465	R->szHint.flags |= USSize;	799	szHint.flags |= USSize;
466	}	800	}
		801
467	if (flags & HeightValue) {	802	if (flags & HeightValue)
468	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	803	{
		804	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
469	R->szHint.flags |= USSize;	805	szHint.flags |= USSize;
470	}	806	}
		807
471	if (flags & XValue) {	808	if (flags & XValue)
		809	{
472	R->szHint.x = x;	810	szHint.x = x;
473	R->szHint.flags |= USPosition;	811	szHint.flags |= USPosition;
		812
474	if (flags & XNegative) {	813	if (flags & XNegative)
		814	{
475	recalc_x = 1;	815	recalc_x = 1;
476	R->szHint.win_gravity = NorthEastGravity;	816	szHint.win_gravity = NorthEastGravity;
477	}	817	}
478	}	818	}
		819
479	if (flags & YValue) {	820	if (flags & YValue)
		821	{
480	R->szHint.y = y;	822	szHint.y = y;
481	R->szHint.flags |= USPosition;	823	szHint.flags |= USPosition;
		824
482	if (flags & YNegative) {	825	if (flags & YNegative)
		826	{
483	recalc_y = 1;	827	recalc_y = 1;
		828
484	if (R->szHint.win_gravity == NorthEastGravity)	829	if (szHint.win_gravity == NorthEastGravity)
485	R->szHint.win_gravity = SouthEastGravity;	830	szHint.win_gravity = SouthEastGravity;
486	else	831	else
487	R->szHint.win_gravity = SouthWestGravity;	832	szHint.win_gravity = SouthWestGravity;
488	}	833	}
489	}	834	}
490	}	835	}
		836
491	/* TODO: BOUNDS */	837	/* TODO: BOUNDS */
492	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	838	width = ncol * fwidth;
493	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	839	height = nrow * fheight;
494	max_width = MAX_COLS * R->TermWin.fwidth;	840	max_width = MAX_COLS * fwidth;
495	max_height = MAX_ROWS * R->TermWin.fheight;	841	max_height = MAX_ROWS * fheight;
496		842
497	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	843	szHint.base_width = szHint.base_height = 2 * int_bwidth;
498		844
499	sb_w = mb_h = 0;	845	sb_w = mb_h = 0;
500	R->window_vt_x = R->window_vt_y = 0;	846	window_vt_x = window_vt_y = int_bwidth;
		847
501	if (scrollbar_visible(R)) {	848	if (scrollbar_visible ())
		849	{
502	sb_w = scrollbar_TotalWidth();	850	sb_w = scrollbar_TotalWidth ();
503	R->szHint.base_width += sb_w;	851	szHint.base_width += sb_w;
504	if (!(R->Options & Opt_scrollBar_right))	852	if (!OPTION (Opt_scrollBar_right))
505	R->window_vt_x = sb_w;	853	window_vt_x += sb_w;
506	}	854	}
		855
507	if (menubar_visible(R)) {	856	if (menubar_visible ())
		857	{
508	mb_h = menuBar_TotalHeight();	858	mb_h = menuBar_TotalHeight ();
509	R->szHint.base_height += mb_h;	859	szHint.base_height += mb_h;
510	R->window_vt_y = mb_h;	860	window_vt_y += mb_h;
511	}	861	}
		862
512	R->szHint.width_inc = R->TermWin.fwidth;	863	szHint.width_inc = fwidth;
513	R->szHint.height_inc = R->TermWin.fheight;	864	szHint.height_inc = fheight;
514	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	865	szHint.min_width = szHint.base_width + szHint.width_inc;
515	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	866	szHint.min_height = szHint.base_height + szHint.height_inc;
516		867
517	if (width && width - R->szHint.base_width < max_width) {	868	if (newwidth && newwidth - szHint.base_width < max_width)
		869	{
518	R->szHint.width = width;	870	szHint.width = newwidth;
519	R->TermWin.width = width - R->szHint.base_width;	871	width = newwidth - szHint.base_width;
520	} else {	872	}
521	MIN_IT(R->TermWin.width, max_width);	873	else
		874	{
		875	min_it (width, max_width);
522	R->szHint.width = R->szHint.base_width + R->TermWin.width;	876	szHint.width = szHint.base_width + width;
523	}	877	}
		878
524	if (height && height - R->szHint.base_height < max_height) {	879	if (newheight && newheight - szHint.base_height < max_height)
		880	{
525	R->szHint.height = height;	881	szHint.height = newheight;
526	R->TermWin.height = height - R->szHint.base_height;	882	height = newheight - szHint.base_height;
527	} else {	883	}
528	MIN_IT(R->TermWin.height, max_height);	884	else
		885	{
		886	min_it (height, max_height);
529	R->szHint.height = R->szHint.base_height + R->TermWin.height;	887	szHint.height = szHint.base_height + height;
530	}	888	}
		889
531	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	890	if (scrollbar_visible () && OPTION (Opt_scrollBar_right))
532	R->window_sb_x = R->szHint.width - sb_w;	891	window_sb_x = szHint.width - sb_w;
533		892
534	if (recalc_x)	893	if (recalc_x)
535	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	894	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
536	- R->szHint.width - 2 * R->TermWin.ext_bwidth);
537	if (recalc_y)	895	if (recalc_y)
538	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	896	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
539	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
540		897
541	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	898	ncol = width / fwidth;
542	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	899	nrow = height / fheight;
543	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",
544	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	901	ncol, nrow, szHint.width,
545	R->szHint.height));	902	szHint.height));
546	return;	903	return;
547	}	904	}
548		905
549	/*----------------------------------------------------------------------*/	906	/*----------------------------------------------------------------------*/
550	/*	907	/*
551	* Tell the teletype handler what size the window is.	908	* Tell the teletype handler what size the window is.
552	* Called after a window size change.	909	* Called after a window size change.
553	*/	910	*/
554	/* EXTPROTO */
555	void	911	void
556	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	912	rxvt_term::tt_winch ()
557	{	913	{
		914	if (pty.pty < 0)
		915	return;
		916
558	struct winsize ws;	917	struct winsize ws;
559		918
560	if (fd < 0)
561	return;
562	ws.ws_col = col;	919	ws.ws_col = ncol;
563	ws.ws_row = row;	920	ws.ws_row = nrow;
564	ws.ws_xpixel = ws.ws_ypixel = 0;	921	ws.ws_xpixel = width;
565	#ifndef DEBUG_SIZE	922	ws.ws_ypixel = height;
566	(void)ioctl(fd, TIOCSWINSZ, &ws);	923	(void)ioctl (pty.pty, TIOCSWINSZ, &ws);
567	#else	924
568	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	925	#if 0
569	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	926	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
570	}
571	# ifdef SIGWINCH
572	else if (pid) /* force through to the command */	927	if (cmd_pid) /* force through to the command */
573	kill(pid, SIGWINCH);	928	kill (-cmd_pid, SIGWINCH);
574	# endif
575	#endif	929	#endif
576	}	930	}
577		931
578	/*----------------------------------------------------------------------*/	932	/*----------------------------------------------------------------------*/
579	/* rxvt_change_font() - Switch to a new font */	933	/* set_fonts () - load and set the various fonts
580	/*	934	*
581	* init = 1 - initialize	935	* init = 1 - initialize
582	*	936	*
583	* fontname == FONT_UP - switch to bigger font	937	* fontname == FONT_UP - switch to bigger font
584	* fontname == FONT_DN - switch to smaller font	938	* fontname == FONT_DN - switch to smaller font
585	*/	939	*/
586	/* EXTPROTO */	940	bool
587	void	941	rxvt_term::set_fonts ()
588	rxvt_change_font(pR_ int init, const char *fontname)
589	{	942	{
590	}	943	rxvt_fontset *fs = new rxvt_fontset (this);
		944	rxvt_fontprop prop;
591		945
592	/* INTPROTO */	946	if (!fs
593	void	947	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
594	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)
595	{	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);
596	}	1029	}
597		1030
598	/*----------------------------------------------------------------------*/	1031	/*----------------------------------------------------------------------*/
599	/*----------------------------------------------------------------------*/	1032	/*----------------------------------------------------------------------*/
600	/* xterm sequences - title, iconName, color (exptl) */	1033	/* xterm sequences - title, iconName, color (exptl) */
601	/* EXTPROTO */
602	void	1034	void
603	rxvt_set_title(pR_ const char *str)	1035	rxvt_term::set_title (const char *str)
604	{	1036	{
605	#ifndef SMART_WINDOW_TITLE	1037	set_string_property (XA_WM_NAME, str);
606	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
607	#else	1122	#else
608	char *name;
609
610	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
611	name = NULL;
612	if (name == NULL || STRCMP(name, str))
613	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
614	if (name)
615	XFree(name);
616	#endif
617	}
618
619	/* EXTPROTO */
620	void
621	rxvt_set_iconName(pR_ const char *str)
622	{
623	#ifndef SMART_WINDOW_TITLE
624	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
625	#else
626	char *name;
627
628	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
629	name = NULL;
630	if (name == NULL || STRCMP(name, str))
631	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
632	if (name)
633	XFree(name);
634	#endif
635	}
636
637	#ifdef XTERM_COLOR_CHANGE
638	/* EXTPROTO */
639	void
640	rxvt_set_window_color(pR_ int idx, const char *color)
641	{
642	rxvt_color xcol;
643	int i;
644
645	if (color == NULL || *color == '\0')
646	return;
647
648	/* handle color aliases */
649	if (isdigit(*color)) {
650	i = atoi(color);
651	if (i >= 8 && i <= 15) { /* bright colors */
652	i -= 8;
653	# ifndef NO_BRIGHTCOLOR
654	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
655	SET_PIXCOLOR(R, idx);
656	goto Done;
657	# endif
658	}
659	if (i >= 0 && i <= 7) { /* normal colors */
660	R->PixColors[idx] = R->PixColors[minCOLOR + i];
661	SET_PIXCOLOR(R, idx);
662	goto Done;
663	}
664	}
665	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
666	return;
667	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
668
669	/*
670	* FIXME: should free colors here, but no idea how to do it so instead,
671	* so just keep gobbling up the colormap
672	*/
673	# if 0
674	for (i = Color_Black; i <= Color_White; i++)
675	if (R->PixColors[idx] == R->PixColors[i])
676	break;
677	if (i > Color_White) {
678	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
679	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
680	DisplayPlanes(R->Xdisplay, Xscreen));
681	}
682	# endif
683
684	R->PixColors[idx] = xcol;
685	SET_PIXCOLOR(R, idx);
686
687	/* XSetWindowAttributes attr; */
688	/* Cursor cursor; */
689	Done:
690	if (idx == Color_bg && !(R->Options & Opt_transparent))
691	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
692	R->PixColors[Color_bg]);
693
694	/* handle Color_BD, scrollbar background, etc. */
695
696	rxvt_set_colorfgbg(aR);
697	rxvt_recolour_cursor(aR);
698	/* the only reasonable way to enforce a clean update */
699	rxvt_scr_poweron(aR);
700	}
701
702	#else
703	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	1123	# define set_window_color (idx,color) ((void)0)
704	#endif /* XTERM_COLOR_CHANGE */	1124	#endif /* XTERM_COLOR_CHANGE */
705		1125
706	/* EXTPROTO */
707	void	1126	void
708	rxvt_recolour_cursor(pR)	1127	rxvt_term::recolour_cursor ()
709	{	1128	{
710	rxvt_color xcol[2];	1129	XColor xcol[2];
711		1130
712	#if TODO	1131	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
713	xcol[0] = R->PixColors[Color_pointer];	1132	? pix_colors_focused[Color_pointer_fg]
714	xcol[1] = R->PixColors[Color_bg];	1133	: pix_colors_focused[Color_fg];
715	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);
716	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1139	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
717	#endif
718	}	1140	}
719		1141
720	/*----------------------------------------------------------------------*/	1142	/*----------------------------------------------------------------------*/
721	/*	1143	/*
722	* 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
723	*/	1145	*/
724	/* INTPROTO */
725	void	1146	void
726	rxvt_set_colorfgbg(pR)	1147	rxvt_term::set_colorfgbg ()
727	{	1148	{
728	unsigned int i;	1149	unsigned int i;
729	const char *xpmb = "\0";	1150	const char *xpmb = "\0";
730	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1151	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
731		1152
732	R->env_colorfgbg =
733	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1153	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
734	STRCPY(fstr, "default");	1154	strcpy (fstr, "default");
735	STRCPY(bstr, "default");	1155	strcpy (bstr, "default");
736	for (i = Color_Black; i <= Color_White; i++)	1156	for (i = Color_Black; i <= Color_White; i++)
737	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1157	if (pix_colors[Color_fg] == pix_colors[i])
		1158	{
738	sprintf(fstr, "%d", (i - Color_Black));	1159	sprintf (fstr, "%d", (i - Color_Black));
739	break;	1160	break;
740	}	1161	}
		1162
741	for (i = Color_Black; i <= Color_White; i++)	1163	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1164	if (pix_colors[Color_bg] == pix_colors[i])
		1165	{
743	sprintf(bstr, "%d", (i - Color_Black));	1166	sprintf (bstr, "%d", (i - Color_Black));
744	#ifdef XPM_BACKGROUND	1167	#ifdef XPM_BACKGROUND
745	xpmb = "default;";	1168	xpmb = "default;";
746	#endif	1169	#endif
747	break;	1170	break;
748	}	1171	}
		1172
749	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1173	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
750	putenv(R->env_colorfgbg);
751
752	#ifndef NO_BRIGHTCOLOR
753	R->colorfgbg = DEFAULT_RSTYLE;
754	for (i = minCOLOR; i <= maxCOLOR; i++) {
755	if (R->PixColors[Color_fg] == R->PixColors[i])
756	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
757	if (R->PixColors[Color_bg] == R->PixColors[i])
758	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
759	}
760	#endif
761	}	1174	}
762		1175
763	/*----------------------------------------------------------------------*/	1176	/*----------------------------------------------------------------------*/
764	/*
765	* Colour determination for low colour displays, routine from
766	* Hans de Goede <hans@highrise.nl>
767	*/
768		1177
769	/* EXTPROTO */
770	int	1178	int
771	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1179	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
772	{	1180	{
773	screen_in_out->set(aR_ colour);
774
775	if (!screen_in_out->set(aR_ colour)) {	1181	if (!screen_in_out->set (display, colour))
776	rxvt_print_error("can't allocate colour: %s", colour);	1182	{
		1183	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
777	return false;	1184	return false;
778	}	1185	}
779		1186
780	return true;	1187	return true;
781	}	1188	}
782		1189
783	/* -------------------------------------------------------------------- *	1190	/* -------------------------------------------------------------------- *
784	* - WINDOW RESIZING - *	1191	* - WINDOW RESIZING - *
785	* -------------------------------------------------------------------- */	1192	* -------------------------------------------------------------------- */
786	/* EXTPROTO */
787	void	1193	void
788	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)
789	int ignoreparent)
790	{	1195	{
791	int fix_screen;	1196	int fix_screen;
		1197	int old_width = szHint.width, old_height = szHint.height;
		1198	dDisp;
792		1199
		1200	window_calc (newwidth, newheight);
		1201	XSetWMNormalHints (disp, parent[0], &szHint);
		1202
		1203	if (!ignoreparent)
		1204	{
793	#ifdef SMART_RESIZE	1205	#ifdef SMART_RESIZE
794	int old_width = R->szHint.width, old_height = R->szHint.height;	1206	/*
795	#endif
796
797	rxvt_window_calc(aR_ width, height);
798	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
799	if (!ignoreparent) {
800	#ifdef SMART_RESIZE
801	/*
802	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1207	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
803	* reposition window on resize depending on placement on screen	1208	* reposition window on resize depending on placement on screen
804	*/	1209	*/
805	int x, y, x1, y1;	1210	int x, y, x1, y1;
806	int dx, dy;	1211	int dx, dy;
807	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1212	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
808	Window unused_cr;	1213	Window unused_cr;
809		1214
810	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1215	XTranslateCoordinates (disp, parent[0], display->root,
811	0, 0, &x, &y, &unused_cr);	1216	0, 0, &x, &y, &unused_cr);
812	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1217	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
813	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1218	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
814	/*	1219	/*
815	* 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
816	* our position for handles and decorations. Counter it	1221	* our position for handles and decorations. Counter it
817	*/	1222	*/
818	if (x1 != x || y1 != y) {	1223	if (x1 != x || y1 != y)
		1224	{
819	x -= x1;	1225	x -= x1;
820	y -= y1;	1226	y -= y1;
821	}	1227	}
822		1228
823	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1229	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
824	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1230	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
825	dx = old_width - R->szHint.width;	1231	dx = old_width - szHint.width;
826	dy = old_height - R->szHint.height;	1232	dy = old_height - szHint.height;
827		1233
828	/* Check position of the center of the window */	1234	/* Check position of the center of the window */
829	if (x < x1) /* left half */	1235	if (x < x1) /* left half */
830	dx = 0;	1236	dx = 0;
831	else if (x == x1) /* exact center */	1237	else if (x == x1) /* exact center */
832	dx /= 2;	1238	dx /= 2;
833	if (y < y1) /* top half */	1239	if (y < y1) /* top half */
834	dy = 0;	1240	dy = 0;
835	else if (y == y1) /* exact center */	1241	else if (y == y1) /* exact center */
836	dy /= 2;	1242	dy /= 2;
837		1243
838	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1244	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
839	R->szHint.width, R->szHint.height);	1245	szHint.width, szHint.height);
840	#else	1246	#else
841	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1247	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
842	R->szHint.height);
843	#endif	1248	#endif
844	}	1249	}
845		1250
846	fix_screen = (R->TermWin.ncol != R->prev_ncol	1251	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
847	|| R->TermWin.nrow != R->prev_nrow);	1252
848	if (fix_screen || width != R->old_width || height != R->old_height) {	1253	if (fix_screen || newwidth != old_width || newheight != old_height)
		1254	{
849	if (scrollbar_visible(R)) {	1255	if (scrollbar_visible ())
		1256	{
850	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1257	XMoveResizeWindow (disp, scrollBar.win,
		1258	window_sb_x, 0,
851	0, scrollbar_TotalWidth(), R->szHint.height);	1259	scrollbar_TotalWidth (), szHint.height);
852	rxvt_Resize_scrollBar(aR);	1260	resize_scrollbar ();
853	}	1261	}
		1262
854	if (menubar_visible(R))	1263	if (menubar_visible ())
855	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1264	XMoveResizeWindow (disp, menuBar.win,
		1265	window_vt_x, 0,
856	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1266	width, menuBar_TotalHeight ());
857	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,	1267
858	R->window_vt_y, TermWin_TotalWidth(),	1268	XMoveResizeWindow (disp, vt,
		1269	window_vt_x, window_vt_y,
859	TermWin_TotalHeight());	1270	width, height);
860	#ifdef RXVT_GRAPHICS	1271
861	if (R->old_height)
862	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
863	R->old_height - R->szHint.base_height);
864	#endif
865	rxvt_scr_clear(aR);	1272	scr_clear ();
866	#ifdef XPM_BACKGROUND	1273	#ifdef XPM_BACKGROUND
867	rxvt_resize_pixmap(aR);	1274	resize_pixmap ();
868	#endif	1275	#endif
869	}	1276	}
870		1277
871	if (fix_screen || R->old_height == 0) {	1278	if (fix_screen || old_height == 0)
		1279	{
872	int curr_screen = -1;	1280	int curr_screen = -1;
873	uint16_t old_ncol = R->prev_ncol;	1281	int old_ncol = prev_ncol;
874		1282
875	/* scr_reset only works on the primary screen */	1283	/* scr_reset only works on the primary screen */
876	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
877	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1288	curr_screen = scr_change_screen (PRIMARY);
878	rxvt_scr_reset(aR);	1289	ncol = ocol;
879	if (curr_screen >= 0) { /* this is not the first time through */
880	rxvt_scr_change_screen(aR_ curr_screen);
881	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
882	}	1290	}
883	}
884		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
885	R->old_width = R->szHint.width;	1301	old_width = szHint.width;
886	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
887		1308
888	#ifdef USE_XIM	1309	#ifdef USE_XIM
889	rxvt_IMSetStatusPosition(aR);	1310	IMSetStatusPosition ();
890	#endif	1311	#endif
891	}	1312	}
892		1313
893	/*	1314	/*
894	* 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.
895	* good for toggling 80/132 columns	1316	* good for toggling 80/132 columns
896	*/	1317	*/
897	/* EXTPROTO */
898	void	1318	void
899	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1319	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
900	{	1320	{
901	XWindowAttributes wattr;	1321	XWindowAttributes wattr;
902		1322
903	if (width == 0 || height == 0) {	1323	if (newwidth == 0 || newheight == 0)
		1324	{
904	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1325	XGetWindowAttributes (display->display, display->root, &wattr);
		1326
905	if (width == 0)	1327	if (newwidth == 0)
906	width = wattr.width - R->szHint.base_width;	1328	newwidth = wattr.width - szHint.base_width;
907	if (height == 0)	1329	if (newheight == 0)
908	height = wattr.height - R->szHint.base_height;	1330	newheight = wattr.height - szHint.base_height;
		1331	}
		1332
		1333	if (newwidth != width || newheight != height)
909	}	1334	{
910	if (width != R->TermWin.width || height != R->TermWin.height) {
911	width += R->szHint.base_width;	1335	newwidth += szHint.base_width;
912	height += R->szHint.base_height;	1336	newheight += szHint.base_height;
913	rxvt_resize_all_windows(aR_ width, height, 0);	1337	resize_all_windows (newwidth, newheight, 0);
914	}	1338	}
915	}	1339	}
916		1340
917	/* -------------------------------------------------------------------- *	1341	/* -------------------------------------------------------------------- *
918	* - X INPUT METHOD ROUTINES - *	1342	* - X INPUT METHOD ROUTINES - *
919	* -------------------------------------------------------------------- */	1343	* -------------------------------------------------------------------- */
920	#ifdef USE_XIM	1344	#ifdef USE_XIM
921	/* INTPROTO */
922	void
923	rxvt_setSize(pR_ XRectangle * size)
924	{
925	size->x = R->TermWin.int_bwidth;
926	size->y = R->TermWin.int_bwidth;
927	size->width = Width2Pixel(R->TermWin.ncol);
928	size->height = Height2Pixel(R->TermWin.nrow);
929	}
930		1345
931	/* INTPROTO */
932	void	1346	void
933	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1347	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
934	{	1348	{
935	*fg = R->PixColors[Color_fg];	1349	fg = pix_colors[Color_fg];
936	*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;
937	}	1377	}
938		1378
939	/* Checking whether input method is running. */	1379	/* Checking whether input method is running. */
940	/* INTPROTO */
941	Bool	1380	bool
942	rxvt_IMisRunning(pR)	1381	rxvt_term::IMisRunning ()
943	{	1382	{
944	char *p;	1383	char *p;
945	Atom atom;	1384	Atom atom;
946	Window win;	1385	Window win;
947	char server[IMBUFSIZ];	1386	char server[IMBUFSIZ];
948		1387
949	/* get current locale modifier */	1388	/* get current locale modifier */
950	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1389	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1390	{
951	STRCPY(server, "@server=");	1391	strcpy (server, "@server=");
952	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1392	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1393
953	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1394	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
954	*p = '\0';	1395	*p = '\0';
955		1396
956	atom = XInternAtom(R->Xdisplay, server, False);	1397	atom = XInternAtom (display->display, server, False);
957	win = XGetSelectionOwner(R->Xdisplay, atom);	1398	win = XGetSelectionOwner (display->display, atom);
		1399
958	if (win != None)	1400	if (win != None)
959	return True;	1401	return True;
960	}	1402	}
		1403
961	return False;	1404	return False;
962	}	1405	}
963		1406
964	/* EXTPROTO */
965	void	1407	void
966	rxvt_IMSendSpot(pR)	1408	rxvt_term::IMSendSpot ()
967	{	1409	{
968	XPoint spot;	1410	XPoint nspot;
969	XVaNestedList preedit_attr;	1411	XVaNestedList preedit_attr;
970		1412
971	if (R->Input_Context == NULL	1413	if (!Input_Context
		1414	|| !focus
972	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1415	|| !(input_style & XIMPreeditPosition))
973	|| !(R->event_type == KeyPress
974	|| R->event_type == Expose
975	|| R->event_type == NoExpose
976	|| R->event_type == SelectionNotify
977	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
978	|| !rxvt_IMisRunning(aR))
979	return;	1416	return;
980		1417
981	rxvt_setPosition(aR_ & spot);	1418	im_set_position (nspot);
982		1419
		1420	if (nspot.x == spot.x && nspot.y == spot.y)
		1421	return;
		1422
		1423	spot = nspot;
		1424
983	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1425	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
984	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1426	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
985	XFree(preedit_attr);	1427	XFree (preedit_attr);
986	}	1428	}
987		1429
988	/* EXTPROTO */
989	void	1430	void
990	rxvt_setTermFontSet(pR_ int idx)	1431	rxvt_term::im_destroy ()
991	{	1432	{
992	char *string;	1433	if (input_method)
993	long length;
994	int success = 0;
995
996	if (idx < 0 || idx >= MAX_NFONTS)
997	return;
998	}
999
1000	/* INTPROTO */
1001	void
1002	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1003	XRectangle * needed_rect)
1004	{
1005	int mbh, vtx = 0;
1006
1007	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1008	vtx = scrollbar_TotalWidth();
1009	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1010	mbh -= R->TermWin.lineSpace;
1011
1012	preedit_rect->x = needed_rect->width + vtx;
1013	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1014
1015	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1016	+ vtx;
1017	preedit_rect->height = Height2Pixel(1);
1018
1019	status_rect->x = vtx;
1020	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1021
1022	status_rect->width = needed_rect->width ? needed_rect->width
1023	: Width2Pixel(R->TermWin.ncol + 1);
1024	status_rect->height = Height2Pixel(1);
1025	}
1026
1027	/* ARGSUSED */
1028	/* INTPROTO */
1029	void
1030	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1031	__attribute__ ((unused)), XPointer call_data
1032	__attribute__ ((unused)))
1033	{
1034	dR;
1035
1036	R->Input_Context = NULL;
1037	/* To avoid Segmentation Fault in C locale: Solaris only? */
1038	if (STRCMP(R->locale, "C"))
1039	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1040	rxvt_IMInstantiateCallback, NULL);
1041	}
1042
1043	/*
1044	* X manual pages and include files don't match on some systems:
1045	* some think this is an XIDProc and others an XIMProc so we can't
1046	* use the first argument - need to update this to be nice for
1047	* both types via some sort of configure detection
1048	*/
1049	/* ARGSUSED */
1050	/* EXTPROTO */
1051	void
1052	rxvt_IMInstantiateCallback(Display * unused
1053	__attribute__ ((unused)), XPointer client_data
1054	__attribute__ ((unused)), XPointer call_data
1055	__attribute__ ((unused)))
1056	{
1057	dR;
1058	int i, found, had_im;
1059	const char *p;
1060	char **s;
1061	char buf[IMBUFSIZ];
1062
1063	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1064	if (R->Input_Context)
1065	return;
1066
1067	found = had_im = 0;
1068	p = R->rs[Rs_inputMethod];
1069	if (p && *p) {
1070	had_im = 1;
1071	s = rxvt_splitcommastring(p);
1072	for (i = 0; s[i]; i++) {
1073	if (*s[i]) {
1074	STRCPY(buf, "@im=");
1075	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1076	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1077	&& (rxvt_IM_get_IC(aR) == True)) {
1078	found = 1;
1079	break;
1080	}
1081	}
1082	}
1083	for (i = 0; s[i]; i++)
1084	free(s[i]);
1085	free(s);
1086	}	1434	{
1087	if (found)	1435	if (Input_Context && input_method->xim)
1088	return;	1436	XDestroyIC (Input_Context);
1089		1437
1090	/* try with XMODIFIERS env. var. */	1438	display->put_xim (input_method);
1091	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1439	input_method = 0;
1092	rxvt_IM_get_IC(aR);
1093	return;
1094	}	1440	}
1095		1441
1096	/* try with no modifiers base IF the user didn't specify an IM */	1442	Input_Context = 0;
1097	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1098	&& rxvt_IM_get_IC(aR) == True)
1099	return;
1100	}	1443	}
1101		1444
1102	/*	1445	/*
1103	* 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
1104	* open a suitable preedit type	1447	* open a suitable preedit type
1105	*/	1448	*/
1106	/* INTPROTO */
1107	Bool	1449	bool
1108	rxvt_IM_get_IC(pR)	1450	rxvt_term::IM_get_IC (const char *modifiers)
1109	{	1451	{
1110	int i, j, found;	1452	int i, j, found;
1111	XIM xim;	1453	XIM xim;
1112	XPoint spot;	1454	XPoint spot;
1113	XRectangle rect, status_rect, needed_rect;	1455	XRectangle rect, status_rect, needed_rect;
1114	unsigned long fg, bg;	1456	unsigned long fg, bg;
1115	const char *p;	1457	const char *p;
1116	char **s;	1458	char **s;
1117	XIMStyles *xim_styles;	1459	XIMStyles *xim_styles;
1118	XVaNestedList preedit_attr, status_attr;
1119	XIMCallback ximcallback;
1120		1460
		1461	TEMP_ENV;
		1462
		1463	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1464	return false;
		1465
1121	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1466	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1122	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1467	input_method = display->get_xim (locale, modifiers);
1123	if (xim == NULL)	1468	if (input_method == NULL)
1124	return False;	1469	return false;
1125		1470
		1471	xim = input_method->xim;
		1472	spot.x = spot.y = -1;
		1473
1126	xim_styles = NULL;	1474	xim_styles = NULL;
1127	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1475	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1128	|| !xim_styles || !xim_styles->count_styles) {	1476	|| !xim_styles || !xim_styles->count_styles)
1129	XCloseIM(xim);	1477	{
		1478	im_destroy ();
1130	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++)
1131	}	1485	{
		1486	p = pet[pi];
1132		1487
1133	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1488	if (!p)
1134	: "OverTheSpot,OffTheSpot,Root";	1489	continue;
		1490
1135	s = rxvt_splitcommastring(p);	1491	s = rxvt_splitcommastring (p);
		1492
1136	for (i = found = 0; !found && s[i]; i++) {	1493	for (i = found = 0; !found && s[i]; i++)
		1494	{
1137	if (!STRCMP(s[i], "OverTheSpot"))	1495	if (!strcmp (s[i], "OverTheSpot"))
1138	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1496	input_style = (XIMPreeditPosition | XIMStatusNothing);
1139	else if (!STRCMP(s[i], "OffTheSpot"))	1497	else if (!strcmp (s[i], "OffTheSpot"))
1140	R->input_style = (XIMPreeditArea | XIMStatusArea);	1498	input_style = (XIMPreeditArea | XIMStatusArea);
1141	else if (!STRCMP(s[i], "Root"))	1499	else if (!strcmp (s[i], "Root"))
1142	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1500	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1501	else if (!strcmp (s[i], "None"))
		1502	input_style = (XIMPreeditNone | XIMStatusNone);
1143		1503
1144	for (j = 0; j < xim_styles->count_styles; j++)	1504	for (j = 0; j < xim_styles->count_styles; j++)
1145	if (R->input_style == xim_styles->supported_styles[j]) {	1505	if (input_style == xim_styles->supported_styles[j])
		1506	{
		1507	rxvt_freecommastring (s);
		1508
1146	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;
1147	break;	1666	break;
		1667	}
1148	}	1668	}
1149	}	1669	}
1150	for (i = 0; s[i]; i++)
1151	free(s[i]);
1152	free(s);
1153	XFree(xim_styles);
1154		1670
		1671	rxvt_freecommastring (s);
		1672
1155	if (!found) {	1673	if (found)
1156	XCloseIM(xim);	1674	goto done;
1157	return False;
1158	}	1675	}
1159		1676
1160	ximcallback.callback = rxvt_IMDestroyCallback;	1677	/* try with XMODIFIERS env. var. */
		1678	if (IM_get_IC (""))
		1679	goto done;
1161		1680
1162	/* 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 */
1163	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1682	if (IM_get_IC ("@im=none"))
		1683	goto done;
1164		1684
1165	preedit_attr = status_attr = NULL;	1685	done:
1166		1686	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1167	if (R->input_style & XIMPreeditPosition) {	1687	if (rs[Rs_imLocale])
1168	rxvt_setSize(aR_ & rect);	1688	SET_LOCALE (locale);
1169	rxvt_setPosition(aR_ & spot);	1689	#endif
1170	rxvt_setColor(aR_ & fg, &bg);
1171
1172	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1173	XNSpotLocation, &spot,
1174	XNForeground, fg, XNBackground, bg,
1175	//XNFontSet, R->TermWin.fontset,
1176	NULL);
1177	} else if (R->input_style & XIMPreeditArea) {
1178	rxvt_setColor(aR_ & fg, &bg);
1179
1180	/*
1181	* The necessary width of preedit area is unknown
1182	* until create input context.
1183	*/
1184	needed_rect.width = 0;
1185
1186	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1187
1188	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1189	XNForeground, fg, XNBackground, bg,
1190	//XNFontSet, R->TermWin.fontset,
1191	NULL);
1192	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1193	XNForeground, fg, XNBackground, bg,
1194	//XNFontSet, R->TermWin.fontset,
1195	NULL);
1196	}
1197	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1198	XNClientWindow, R->TermWin.parent[0],
1199	XNFocusWindow, R->TermWin.parent[0],
1200	XNDestroyCallback, &ximcallback,
1201	preedit_attr ? XNPreeditAttributes : NULL,
1202	preedit_attr,
1203	status_attr ? XNStatusAttributes : NULL,
1204	status_attr, NULL);
1205	if (preedit_attr)
1206	XFree(preedit_attr);
1207	if (status_attr)
1208	XFree(status_attr);
1209	if (R->Input_Context == NULL) {
1210	rxvt_print_error("failed to create input context");
1211	XCloseIM(xim);
1212	return False;
1213	}
1214	if (R->input_style & XIMPreeditArea)
1215	rxvt_IMSetStatusPosition(aR);
1216	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1217	return True;
1218	}	1690	}
1219		1691
1220	/* EXTPROTO */
1221	void	1692	void
1222	rxvt_IMSetStatusPosition(pR)	1693	rxvt_term::IMSetStatusPosition ()
1223	{	1694	{
1224	XRectangle preedit_rect, status_rect, *needed_rect;	1695	XRectangle preedit_rect, status_rect, *needed_rect;
1225	XVaNestedList preedit_attr, status_attr;	1696	XVaNestedList preedit_attr, status_attr;
1226		1697
1227	if (R->Input_Context == NULL	1698	if (!Input_Context
		1699	|| !focus
1228	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1700	|| !(input_style & XIMPreeditArea)
1229	|| !rxvt_IMisRunning(aR))	1701	|| !IMisRunning ())
1230	return;	1702	return;
1231		1703
1232	/* Getting the necessary width of preedit area */	1704	/* Getting the necessary width of preedit area */
1233	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1705	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1234	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1706	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1235	XFree(status_attr);	1707	XFree (status_attr);
1236		1708
1237	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1709	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1710	XFree (needed_rect);
1238		1711
1239	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1712	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1240	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1713	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1241		1714
1242	XSetICValues(R->Input_Context,	1715	XSetICValues (Input_Context,
1243	XNPreeditAttributes, preedit_attr,	1716	XNPreeditAttributes, preedit_attr,
1244	XNStatusAttributes, status_attr, NULL);	1717	XNStatusAttributes, status_attr, NULL);
1245		1718
1246	XFree(preedit_attr);	1719	XFree (preedit_attr);
1247	XFree(status_attr);	1720	XFree (status_attr);
1248	}	1721	}
1249	#endif /* USE_XIM */	1722	#endif /* USE_XIM */
1250		1723
1251	/*----------------------------------------------------------------------*/	1724	/*----------------------------------------------------------------------*/
1252	rxvt_t rxvt_current_term;	1725	rxvt_t rxvt_current_term;

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