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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.13 by pcg, Wed Dec 17 09:00:35 2003 UTC vs.
Revision 1.185 by root, Tue Jan 17 15:17:39 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.13 2003/12/17 09:00:35 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
37	#include <signal.h>	40	#include <csignal>
		41	#include <cstring>
38		42
39	#ifdef TTY_GID_SUPPORT	43	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	44	# include <grp.h>
41	#endif	45	#endif
42		46
43	#ifdef HAVE_TERMIOS_H	47	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	48	# include <termios.h>
45	#endif	49	#endif
46		50
		51	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
		52	static uid_t saved_euid;
		53	static gid_t saved_egid;
		54	#endif
		55
		56	bool
		57	rxvt_tainted ()
		58	{
		59	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
		60	return getuid () != saved_euid || getgid () != saved_egid;
		61	#else
		62	return false;
		63	#endif
		64	}
		65
		66	vector<rxvt_term *> rxvt_term::termlist;
		67
		68	static char curlocale[128], savelocale[128];
		69
		70	bool
		71	rxvt_set_locale (const char *locale)
		72	{
		73	if (!locale || !strncmp (locale, curlocale, 128))
		74	return false;
		75
		76	strncpy (curlocale, locale, 128);
		77	setlocale (LC_CTYPE, curlocale);
		78	return true;
		79	}
		80
47	void *	81	void
48	rxvt_term::operator new (size_t s)	82	rxvt_push_locale (const char *locale)
49	{	83	{
50	void *p = malloc (s);	84	strcpy (savelocale, curlocale);
		85	rxvt_set_locale (locale);
		86	}
51		87
52	MEMSET (p, 0, s);	88	void
		89	rxvt_pop_locale ()
		90	{
		91	rxvt_set_locale (savelocale);
		92	}
		93
		94	#if ENABLE_COMBINING
		95	class rxvt_composite_vec rxvt_composite;
		96
		97	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		98	{
		99	compose_char *cc;
		100
		101	// break compose chains, as stupid readline really likes to duplicate
		102	// composing characters for some reason near the end of a line.
		103	cc = (*this)[c1];
		104	while (cc)
		105	{
		106	if (cc->c2 == c2) return c1;
		107	cc = (*this)[cc->c1];
		108	}
		109
		110	// check to see wether this combination already exists otherwise
		111	for (cc = v.end (); cc-- > v.begin (); )
		112	{
		113	if (cc->c1 == c1 && cc->c2 == c2)
		114	return COMPOSE_LO + (cc - v.begin ());
		115	}
		116
		117	// allocate a new combination
		118	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		119	{
		120	static int seen;
		121
		122	if (!seen++)
		123	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		124
		125	return REPLACEMENT_CHAR;
		126	}
		127
		128	v.push_back (compose_char (c1, c2));
		129
		130	return v.size () - 1 + COMPOSE_LO;
		131	}
		132
		133	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		134	{
		135	compose_char *cc = (*this)[c];
		136
		137	if (!cc)
		138	{
		139	if (r) *r = c;
		140	return 1;
		141	}
		142
		143	int len = expand (cc->c1, r);
		144
		145	if (r) r += len;
		146
		147	if (cc->c2 != NOCHAR)
		148	{
		149	len++;
		150	if (r) *r++ = cc->c2;
		151	}
		152
53	return p;	153	return len;
54	}
55		154
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	155	}
		156	#endif
61		157
62	rxvt_term::rxvt_term ()	158	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	159	:
		160	#if TRANSPARENT
		161	rootwin_ev (this, &rxvt_term::rootwin_cb),
		162	#endif
		163	#ifdef HAVE_SCROLLBARS
		164	scrollbar_ev (this, &rxvt_term::x_cb),
		165	#endif
64	#ifdef CURSOR_BLINK	166	#ifdef CURSOR_BLINK
		167	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		168	#endif
		169	#ifdef TEXT_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	170	text_blink_ev (this, &rxvt_term::text_blink_cb),
		171	#endif
		172	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		173	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		174	#endif
		175	#ifdef SELECTION_SCROLLING
		176	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		177	#endif
		178	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		179	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
66	#endif	180	#endif
67	#ifdef POINTER_BLANK	181	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	182	pointer_ev (this, &rxvt_term::pointer_cb),
69	#endif	183	#endif
		184	#ifdef USE_XIM
		185	im_ev (this, &rxvt_term::im_cb),
		186	#endif
		187	termwin_ev (this, &rxvt_term::x_cb),
70	x_ev (this, &rxvt_term::x_cb),	188	vt_ev (this, &rxvt_term::x_cb),
		189	check_ev (this, &rxvt_term::check_cb),
		190	flush_ev (this, &rxvt_term::flush_cb),
71	destroy_ev (this, &rxvt_term::destroy_cb),	191	destroy_ev (this, &rxvt_term::destroy_cb),
72	check_ev (this, &rxvt_term::check_cb),	192	pty_ev (this, &rxvt_term::pty_cb),
73	incr_ev (this, &rxvt_term::incr_cb)	193	incr_ev (this, &rxvt_term::incr_cb)
74	{	194	{
75	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		196
		197	termlist.push_back (this);
		198
		199	#ifdef KEYSYM_RESOURCE
		200	keyboard = new keyboard_manager;
		201
		202	if (!keyboard)
		203	rxvt_fatal ("out of memory, aborting.\n");
		204	#endif
		205	}
		206
		207	// clean up the most important stuff, do *not* call x or free mem etc.
		208	// for use before an emergency exit
		209	void rxvt_term::emergency_cleanup ()
		210	{
		211	if (cmd_pid)
		212	kill (-cmd_pid, SIGHUP);
		213
		214	#ifdef UTMP_SUPPORT
		215	privileged_utmp (RESTORE);
		216	#endif
		217
		218	delete pty; pty = 0;
76	}	219	}
77		220
78	rxvt_term::~rxvt_term ()	221	rxvt_term::~rxvt_term ()
79	{	222	{
		223	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		224
		225	termlist.erase (find (termlist.begin (), termlist.end(), this));
		226
		227	emergency_cleanup ();
		228
		229	#if ENABLE_STYLES
		230	for (int i = RS_styleCount; --i; )
		231	if (fontset[i] != fontset[0])
		232	delete fontset[i];
		233	#endif
		234	delete fontset[0];
		235
		236	if (display)
		237	{
		238	dDisp;
		239
		240	selection_clear ();
		241
		242	#ifdef USE_XIM
		243	im_destroy ();
		244	#endif
		245	#ifdef XTERM_SCROLLBAR
		246	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
		247	if (ShadowGC) XFreeGC (disp, ShadowGC);
		248	#endif
		249	#ifdef PLAIN_SCROLLBAR
		250	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		251	#endif
		252	#ifdef NEXT_SCROLLBAR
		253	if (blackGC) XFreeGC (disp, blackGC);
		254	if (whiteGC) XFreeGC (disp, whiteGC);
		255	if (grayGC) XFreeGC (disp, grayGC);
		256	if (darkGC) XFreeGC (disp, darkGC);
		257	if (stippleGC) XFreeGC (disp, stippleGC);
		258	if (dimple) XFreePixmap (disp, dimple);
		259	if (upArrow) XFreePixmap (disp, upArrow);
		260	if (downArrow) XFreePixmap (disp, downArrow);
		261	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		262	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		263	#endif
		264	#ifdef RXVT_SCROLLBAR
		265	if (topShadowGC) XFreeGC (disp, topShadowGC);
		266	if (botShadowGC) XFreeGC (disp, botShadowGC);
		267	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		268	#endif
		269	if (gc) XFreeGC (disp, gc);
		270
		271	delete drawable;
		272	// destroy all windows
		273	if (parent[0])
		274	XDestroyWindow (disp, parent[0]);
		275	}
		276
		277	// TODO: free pixcolours, colours should become part of rxvt_display
		278	delete pix_colors_focused;
		279	#if OFF_FOCUS_FADING
		280	delete pix_colors_unfocused;
		281	#endif
		282
		283	displays.put (display);
		284
80	scr_release ();	285	scr_release ();
81		286
82	#ifndef NO_SETOWNER_TTYDEV	287	/* clear all resources */
83	rxvt_privileged_ttydev (this, RESTORE);	288	for (int i = 0; i < allocated.size (); i++)
84	#endif	289	free (allocated [i]);
85	#ifdef UTMP_SUPPORT
86	rxvt_privileged_utmp (this, RESTORE);
87	#endif
88	#ifdef USE_XIM
89	if (Input_Context != NULL)
90	{
91	XDestroyIC (Input_Context);
92	Input_Context = NULL;
93	}
94	#endif
95		290
96	if (cmd_fd >= 0)	291	free (selection.text);
97	close (cmd_fd);	292	// TODO: manage env vars in child only(!)
		293	free (env_windowid);
		294	free (env_display);
		295	free (env_term);
		296	free (env_colorfgbg);
		297	free (locale);
		298	free (v_buffer);
		299	free (incr_buf);
98		300
99	if (Xfd >= 0)	301	delete envv;
100	XCloseDisplay (Xdisplay);	302	delete argv;
101		303
102	delete PixColors;	304	#ifdef KEYSYM_RESOURCE
		305	delete keyboard;
		306	#endif
		307	}
		308
		309	void
		310	rxvt_term::child_exit ()
		311	{
		312	cmd_pid = 0;
		313
		314	if (!OPTION (Opt_hold))
		315	destroy ();
103	}	316	}
104		317
105	void	318	void
106	rxvt_term::destroy ()	319	rxvt_term::destroy ()
107	{	320	{
		321	if (destroy_ev.active)
		322	return;
		323
		324	#if ENABLE_OVERLAY
		325	scr_overlay_off ();
		326	#endif
		327
		328	if (display)
		329	{
		330	#if USE_XIM
		331	im_ev.stop (display);
		332	#endif
		333	#if HAVE_SCROLLBARS
		334	scrollbar_ev.stop (display);
		335	#endif
		336	#if TRANSPARENT
		337	rootwin_ev.stop (display);
		338	#endif
		339	incr_ev.stop ();
		340	termwin_ev.stop (display);
		341	vt_ev.stop (display);
		342	}
		343
108	check_ev.stop ();	344	check_ev.stop ();
109	pty_ev.stop ();	345	pty_ev.stop ();
110	x_ev.stop ();
111	#ifdef CURSOR_BLINK	346	#ifdef CURSOR_BLINK
		347	cursor_blink_ev.stop ();
		348	#endif
		349	#ifdef TEXT_BLINK
112	blink_ev.stop ();	350	text_blink_ev.stop ();
		351	#endif
		352	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		353	cont_scroll_ev.stop ();
		354	#endif
		355	#ifdef SELECTION_SCROLLING
		356	sel_scroll_ev.stop ();
113	#endif	357	#endif
114	#ifdef POINTER_BLANK	358	#ifdef POINTER_BLANK
115	pointer_ev.stop ();	359	pointer_ev.stop ();
116	#endif	360	#endif
117		361
…		…
119	}	363	}
120		364
121	void	365	void
122	rxvt_term::destroy_cb (time_watcher &w)	366	rxvt_term::destroy_cb (time_watcher &w)
123	{	367	{
124	SET_R (this);	368	make_current ();
125		369
126	delete this;	370	delete this;
127	}	371	}
128		372
129	/*----------------------------------------------------------------------*/	373	/*----------------------------------------------------------------------*/
130	/* rxvt_init() */	374	/*
131	/* LIBPROTO */	375	* Exit gracefully, clearing the utmp entry and restoring tty attributes
132	rxvt_t	376	* TODO: if debugging, this should free up any known resources if we can
133	rxvt_init (int argc, const char *const *argv)	377	*/
134	{	378	static XErrorHandler old_xerror_handler;
135	SET_R (new rxvt_term);
136	dR;
137		379
138	if (!R->init_vars () || !R->init (argc, argv))	380	static void
		381	rxvt_emergency_cleanup ()
		382	{
		383	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		384	(*t)->emergency_cleanup ();
		385	}
		386
		387	#if ENABLE_FRILLS
		388	static void
		389	print_x_error (Display *dpy, XErrorEvent *event)
		390	{
		391	char buffer[BUFSIZ];
		392	char mesg[BUFSIZ];
		393	char number[32];
		394	char *mtype = "XlibMessage";
		395	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		396	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		397	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		398	rxvt_warn ("%s: %s\n", mesg, buffer);
		399	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		400	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		401	sprintf(number, "%d", event->request_code);
		402	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		403	rxvt_warn ("(which is %s)\n", buffer);
		404	if (event->request_code >= 128) {
		405	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		406	mesg, BUFSIZ);
		407	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
139	{	408	}
140	delete R;	409	if ((event->error_code == BadWindow) ||
141	return NULL;	410	(event->error_code == BadPixmap) ||
		411	(event->error_code == BadCursor) ||
		412	(event->error_code == BadFont) ||
		413	(event->error_code == BadDrawable) ||
		414	(event->error_code == BadColor) ||
		415	(event->error_code == BadGC) ||
		416	(event->error_code == BadIDChoice) ||
		417	(event->error_code == BadValue) ||
		418	(event->error_code == BadAtom)) {
		419	if (event->error_code == BadValue)
		420	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		421	mesg, BUFSIZ);
		422	else if (event->error_code == BadAtom)
		423	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		424	mesg, BUFSIZ);
		425	else
		426	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		427	mesg, BUFSIZ);
		428	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		429	}
		430	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		431	mesg, BUFSIZ);
		432	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		433	}
		434	#endif
		435
		436	int
		437	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		438	{
		439	if (GET_R->allowedxerror == -1)
		440	GET_R->allowedxerror = event->error_code;
		441	else
142	}	442	{
143		443	// GET_R is most likely not the terminal which caused the error,
144	return R;	444	// so just output the error and continue
145	}	445	#if ENABLE_FRILLS
146		446	print_x_error (display, event);
147	/* EXTPROTO */
148	void
149	rxvt_init_signals ()
150	{
151	/* install exit handler for cleanup */
152	#if 0
153	#ifdef HAVE_ATEXIT
154	atexit(rxvt_clean_exit);
155	#else	447	#else
		448	old_xerror_handler (display, event);
156	#endif	449	#endif
157	#endif	450	}
158		451
159	struct sigaction sa;	452	return 0;
160
161	sigfillset (&sa.sa_mask);
162	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
163	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
164	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
165	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
166	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
167	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
168	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
169
170	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
171	/* signal (SIGURG, SIG_DFL); */
172
173	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
174	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
175	}	453	}
176		454
		455	int
		456	rxvt_xioerror_handler (Display *display)
		457	{
		458	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		459	DisplayString (display));
		460	rxvt_emergency_cleanup ();
		461	_exit (EXIT_FAILURE);
		462	}
		463
		464	/*----------------------------------------------------------------------*/
177	bool	465	bool
178	rxvt_term::init (int argc, const char *const *argv)	466	rxvt_term::init (int argc, const char *const *argv)
179	{	467	{
180	dR;//TODO (scrollbar, setidle)	468	SET_R (this);
		469	set_locale ("");
		470	set_environ (envv); // few things in X do not call setlocale :(
		471
		472	if (!init_vars ())
		473	return false;
		474
		475	init_secondary ();
		476
		477	const char **cmd_argv = init_resources (argc, argv);
		478
		479	#ifdef KEYSYM_RESOURCE
		480	keyboard->register_done ();
		481	#endif
		482
		483	#ifdef HAVE_SCROLLBARS
		484	if (OPTION (Opt_scrollBar))
		485	scrollBar.setIdle (); /* set existence for size calculations */
		486	#endif
		487
		488	#if ENABLE_PERL
		489	if (!rs[Rs_perl_ext_1])
		490	rs[Rs_perl_ext_1] = "default";
		491
		492	if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
		493	|| (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
		494	|| (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
		495	{
		496	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
		497	// ignore some perl-related arguments if some bozo installed us set[ug]id
		498	if (rxvt_tainted ())
		499	{
		500	if ((rs[Rs_perl_lib] && *rs[Rs_perl_lib])
		501	|| (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
		502	{
		503	rxvt_warn ("running with elevated privileges: ignoring perl-lib and perl-eval.\n");
		504	rs[Rs_perl_lib] = 0;
		505	rs[Rs_perl_eval] = 0;
		506	}
		507	}
		508	#endif
		509	rxvt_perl.init (this);
		510	HOOK_INVOKE ((this, HOOK_INIT, DT_END));
		511	}
		512	#endif
		513
		514	pty = rxvt_new_ptytty ();
		515
		516	create_windows (argc, argv);
		517
		518	dDisp;
		519
		520	init_xlocale ();
		521
		522	scr_reset (); // initialize screen
		523
		524	#if 0
		525	XSynchronize (disp, True);
		526	#endif
		527
		528	#ifdef HAVE_SCROLLBARS
		529	if (OPTION (Opt_scrollBar))
		530	resize_scrollbar (); /* create and map scrollbar */
		531	#endif
		532	#ifdef TRANSPARENT
		533	if (OPTION (Opt_transparent))
		534	{
		535	XSelectInput (disp, display->root, PropertyChangeMask);
		536	check_our_parents ();
		537	rootwin_ev.start (display, display->root);
		538	}
		539	#endif
		540
		541	XMapWindow (disp, vt);
		542	XMapWindow (disp, parent[0]);
		543
		544	set_colorfgbg ();
		545
		546	init_command (cmd_argv);
		547
		548	free (cmd_argv);
		549
		550	if (pty->pty >= 0)
		551	pty_ev.start (pty->pty, EVENT_READ);
		552
		553	check_ev.start ();
		554
		555	HOOK_INVOKE ((this, HOOK_START, DT_END));
		556
		557	return true;
		558	}
		559
		560	static struct sig_handlers
		561	{
		562	sig_watcher sw_chld, sw_term, sw_int;
		563
		564	void sig_chld (sig_watcher &w)
		565	{
		566	// we are being called for every SIGCHLD, find the corresponding term
		567	int pid;
		568
		569	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
		570	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		571	if (pid == (*t)->cmd_pid)
		572	{
		573	(*t)->child_exit ();
		574	break;
		575	}
		576	}
		577
		578	/*
		579	* Catch a fatal signal and tidy up before quitting
		580	*/
		581	void
		582	sig_term (sig_watcher &w)
		583	{
		584	#ifdef DEBUG_CMD
		585	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		586	#endif
		587	rxvt_emergency_cleanup ();
		588	signal (w.signum, SIG_DFL);
		589	kill (getpid (), w.signum);
		590	}
		591
		592	sig_handlers ()
		593	: sw_chld (this, &sig_handlers::sig_chld),
		594	sw_term (this, &sig_handlers::sig_term),
		595	sw_int (this, &sig_handlers::sig_term)
		596	{
		597	}
		598	} sig_handlers;
		599
		600	char **rxvt_environ; // startup environment
		601
		602	void
		603	rxvt_init ()
		604	{
		605	rxvt_environ = environ;
181		606
182	/*	607	/*
183	* Save and then give up any super-user privileges	608	* Save and then give up any super-user privileges
184	* If we need privileges in any area then we must specifically request it.	609	* If we need privileges in any area then we must specifically request it.
185	* We should only need to be root in these cases:	610	* We should only need to be root in these cases:
186	* 1. write utmp entries on some systems	611	* 1. write utmp entries on some systems
187	* 2. chown tty on some systems	612	* 2. chown tty on some systems
188	*/	613	*/
189	rxvt_privileges (this, SAVE);	614	rxvt_privileges (SAVE);
190	rxvt_privileges (this, IGNORE);	615	rxvt_privileges (IGNORE);
191		616
192	rxvt_init_secondary (this);	617	signal (SIGHUP, SIG_IGN);
		618	signal (SIGPIPE, SIG_IGN);
193		619
194	const char **cmd_argv = rxvt_init_resources (this, argc, argv);	620	sig_handlers.sw_chld.start (SIGCHLD);
		621	sig_handlers.sw_term.start (SIGTERM);
		622	sig_handlers.sw_int.start (SIGINT);
195		623
196	#if (MENUBAR_MAX)	624	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
197	rxvt_menubar_read (this, rs[Rs_menu]);	625	/* signal (SIGURG, SIG_DFL); */
198	#endif
199	#ifdef HAVE_SCROLLBARS
200	if (Options & Opt_scrollBar)
201	scrollbar_setIdle (); /* set existence for size calculations */
202	#endif
203		626
204	rxvt_Create_Windows (this, argc, argv);	627	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		628	// TODO: handle this with exceptions and tolerate the memory loss
		629	XSetIOErrorHandler (rxvt_xioerror_handler);
205		630
206	rxvt_init_xlocale (this);	631	XrmInitialize ();
207
208	scr_reset (); /* initialize screen */
209	#ifdef RXVT_GRAPHICS
210	rxvt_Gr_reset (this); /* reset graphics */
211	#endif
212
213	#if 0
214	#ifdef DEBUG_X
215	XSynchronize(Xdisplay, True);
216	#endif
217	#endif
218
219	#ifdef HAVE_SCROLLBARS
220	if (Options & Opt_scrollBar)
221	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
222	#endif
223	#if (MENUBAR_MAX)
224	if (menubar_visible(r))
225	XMapWindow (Xdisplay, menuBar.win);
226	#endif
227	#ifdef TRANSPARENT
228	if (Options & Opt_transparent)
229	{
230	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
231	rxvt_check_our_parents (this);
232	}
233	#endif
234	XMapWindow (Xdisplay, TermWin.vt);
235	XMapWindow (Xdisplay, TermWin.parent[0]);
236
237	rxvt_init_env (this);
238	rxvt_init_command (this, cmd_argv);
239
240	x_ev.start (Xfd, EVENT_READ);
241	pty_ev.start (cmd_fd, EVENT_READ);
242
243	check_ev.start ();
244
245	process_x_events ();
246
247	return true;
248	}
249
250	/* ------------------------------------------------------------------------- *
251	* SIGNAL HANDLING & EXIT HANDLER *
252	* ------------------------------------------------------------------------- */
253	/*
254	* Catch a SIGCHLD signal and exit if the direct child has died
255	*/
256	/* ARGSUSED */
257	/* EXTPROTO */
258	RETSIGTYPE
259	rxvt_Child_signal(int sig __attribute__ ((unused)))
260	{
261	int pid, save_errno = errno;
262	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
263	;
264	errno = save_errno;
265
266	#if 0
267	if (pid == R->cmd_pid)
268	exit (EXIT_SUCCESS);
269	#endif
270	}
271
272	/*
273	* Catch a fatal signal and tidy up before quitting
274	*/
275	/* EXTPROTO */
276	RETSIGTYPE
277	rxvt_Exit_signal(int sig)
278	{
279	signal(sig, SIG_DFL);
280	#ifdef DEBUG_CMD
281	rxvt_print_error("signal %d", sig);
282	#endif
283	rxvt_clean_exit();
284	kill(getpid(), sig);
285	}
286
287	/* ARGSUSED */
288	/* INTPROTO */
289	int
290	rxvt_xerror_handler(const Display * display
291	__attribute__ ((unused)), const XErrorEvent * event)
292	{
293	dR;
294
295	if (R->allowedxerror == -1)
296	R->allowedxerror = event->error_code;
297	else
298	{
299	rxvt_print_error("XError: Request: %d . %d, Error: %d",
300	event->request_code, event->minor_code,
301	event->error_code);
302
303	R->destroy ();
304	}
305
306	return 0;
307	}
308
309	/*----------------------------------------------------------------------*/
310	/*
311	* Exit gracefully, clearing the utmp entry and restoring tty attributes
312	* TODO: if debugging, this should free up any known resources if we can
313	*/
314	/* EXTPROTO */
315	void
316	rxvt_clean_exit ()
317	{
318	dR;
319
320	R->destroy ();
321	}	632	}
322		633
323	/* ------------------------------------------------------------------------- *	634	/* ------------------------------------------------------------------------- *
324	* MEMORY ALLOCATION WRAPPERS *	635	* MEMORY ALLOCATION WRAPPERS *
325	* ------------------------------------------------------------------------- */	636	* ------------------------------------------------------------------------- */
326	/* EXTPROTO */	637	void *
		638	rxvt_malloc (size_t size)
		639	{
		640	void *p = malloc (size);
		641
		642	if (!p)
		643	rxvt_fatal ("memory allocation failure. aborting.\n");
		644
		645	return p;
		646	}
		647
		648	void *
		649	rxvt_calloc (size_t number, size_t size)
		650	{
		651	void *p = calloc (number, size);
		652
		653	if (!p)
		654	rxvt_fatal ("memory allocation failure. aborting.\n");
		655
		656	return p;
		657	}
		658
327	void *	659	void *
328	rxvt_malloc(size_t size)
329	{
330	void *p;
331
332	p = malloc(size);
333	if (p)
334	return p;
335
336	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
337	rxvt_clean_exit();
338	exit(EXIT_FAILURE);
339	/* NOTREACHED */
340	}
341
342	/* EXTPROTO */
343	void *
344	rxvt_calloc(size_t number, size_t size)
345	{
346	void *p;
347
348	p = calloc(number, size);
349	if (p)
350	return p;
351
352	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
353	rxvt_clean_exit();
354	exit(EXIT_FAILURE);
355	/* NOTREACHED */
356	}
357
358	/* EXTPROTO */
359	void *
360	rxvt_realloc(void *ptr, size_t size)	660	rxvt_realloc (void *ptr, size_t size)
361	{	661	{
362	void *p;
363
364	if (ptr)
365	p = realloc(ptr, size);	662	void *p = realloc (ptr, size);
366	else	663
367	p = malloc(size);
368	if (p)	664	if (!p)
		665	rxvt_fatal ("memory allocation failure. aborting.\n");
		666
369	return p;	667	return p;
370
371	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
372	rxvt_clean_exit();
373	exit(EXIT_FAILURE);
374	/* NOTREACHED */
375	}	668	}
376		669
377	/* ------------------------------------------------------------------------- *	670	/* ------------------------------------------------------------------------- *
378	* PRIVILEGED OPERATIONS *	671	* PRIVILEGED OPERATIONS *
379	* ------------------------------------------------------------------------- */	672	* ------------------------------------------------------------------------- */
380	/* take care of suid/sgid super-user (root) privileges */	673	/* take care of suid/sgid super-user (root) privileges */
381	/* INTPROTO */
382	void	674	void
383	rxvt_privileges(pR_ int mode)	675	rxvt_privileges (rxvt_privaction action)
384	{	676	{
385	#if ! defined(__CYGWIN32__)	677	#if ! defined(__CYGWIN32__)
386	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	678	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
387	/* setreuid() is the poor man's setuid(), seteuid() */	679	/* setreuid () is the poor man's setuid (), seteuid () */
388	# define seteuid(a) setreuid(-1, (a))	680	# define seteuid(a) setreuid(-1, (a))
389	# define setegid(a) setregid(-1, (a))	681	# define setegid(a) setregid(-1, (a))
390	# define HAVE_SETEUID	682	# define HAVE_SETEUID
391	# endif	683	# endif
392	# ifdef HAVE_SETEUID	684	# ifdef HAVE_SETEUID
393	switch (mode) {	685	switch (action)
		686	{
394	case IGNORE:	687	case IGNORE:
395	/*	688	/*
396	* change effective uid/gid - not real uid/gid - so we can switch	689	* change effective uid/gid - not real uid/gid - so we can switch
397	* back to root later, as required	690	* back to root later, as required
398	*/	691	*/
399	seteuid(getuid());
400	setegid(getgid());	692	setegid (getgid ());
		693	seteuid (getuid ());
401	break;	694	break;
402	case SAVE:	695	case SAVE:
403	R->euid = geteuid();
404	R->egid = getegid();	696	saved_egid = getegid ();
		697	saved_euid = geteuid ();
405	break;	698	break;
406	case RESTORE:	699	case RESTORE:
407	seteuid(R->euid);
408	setegid(R->egid);	700	setegid (saved_egid);
		701	seteuid (saved_euid);
409	break;	702	break;
410	}	703	}
411	# else	704	# else
412	switch (mode) {	705	switch (action)
		706	{
413	case IGNORE:	707	case IGNORE:
414	setuid(getuid());
415	setgid(getgid());	708	setgid (getgid ());
		709	setuid (getuid ());
416	/* FALLTHROUGH */	710	/* FALLTHROUGH */
417	case SAVE:	711	case SAVE:
418	/* FALLTHROUGH */	712	/* FALLTHROUGH */
419	case RESTORE:	713	case RESTORE:
420	break;	714	break;
421	}	715	}
422	# endif	716	# endif
423	#endif	717	#endif
424	}	718	}
425
426	#ifdef UTMP_SUPPORT
427	/* EXTPROTO */
428	void
429	rxvt_privileged_utmp(pR_ char action)
430	{
431	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
432	action, R->next_utmp_action, getpid()));
433	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
434	|| (R->Options & Opt_utmpInhibit)
435	|| R->ttydev == NULL || *R->ttydev == '\0')
436	return;
437
438	rxvt_privileges(aR_ RESTORE);
439	if (action == SAVE) {
440	R->next_utmp_action = RESTORE;
441	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
442	} else { /* action == RESTORE */
443	R->next_utmp_action = IGNORE;
444	rxvt_cleanutent(aR);
445	}
446	rxvt_privileges(aR_ IGNORE);
447	}
448	#endif
449
450	#ifndef NO_SETOWNER_TTYDEV
451	/* EXTPROTO */
452	void
453	rxvt_privileged_ttydev(pR_ char action)
454	{
455	D_MAIN((stderr,
456	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
457	action, R->next_tty_action, getpid()));
458	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
459	|| R->ttydev == NULL || *R->ttydev == '\0')
460	return;
461
462	rxvt_privileges(aR_ RESTORE);
463
464	if (action == SAVE) {
465	R->next_tty_action = RESTORE;
466	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
467	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
468	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
469	R->next_tty_action = IGNORE;
470	else
471	# endif
472	{
473	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
474	chmod(R->ttydev, R->ttymode);
475	# ifdef HAVE_REVOKE
476	revoke(R->ttydev);
477	# endif
478	}
479	} else { /* action == RESTORE */
480	R->next_tty_action = IGNORE;
481	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
482	chmod(R->ttydev, R->ttyfd_stat.st_mode);
483	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
484	# else
485	chmod(R->ttydev,
486	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
487	chown(R->ttydev, 0, 0);
488	# endif
489	}
490
491	rxvt_privileges(aR_ IGNORE);
492
493	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
494	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
495	action == RESTORE ? "Restoring" : (action ==
496	SAVE ? "Saving" :
497	"UNKNOWN ERROR for"), R->ttydev,
498	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
499	R->ttyfd_stat.st_gid));
500	# endif
501	}
502	#endif
503		719
504	/*----------------------------------------------------------------------*/	720	/*----------------------------------------------------------------------*/
505	/*	721	/*
506	* window size/position calculcations for XSizeHint and other storage.	722	* window size/position calculcations for XSizeHint and other storage.
507	* if width/height are non-zero then override calculated width/height	723	* if width/height are non-zero then override calculated width/height
508	*/	724	*/
509	/* EXTPROTO */
510	void	725	void
511	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	726	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
512	{	727	{
513	short recalc_x, recalc_y;	728	short recalc_x, recalc_y;
514	int x, y, sb_w, mb_h, flags;	729	int x, y, sb_w, flags;
515	unsigned int w, h;	730	unsigned int w, h;
516	unsigned int max_width, max_height;	731	unsigned int max_width, max_height;
		732	dDisp;
517		733
518	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	734	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
519	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	735	ncol, nrow, szHint.width, szHint.height));
520	R->szHint.height));	736
521	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	737	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
522	R->szHint.win_gravity = NorthWestGravity;	738	szHint.win_gravity = NorthWestGravity;
523	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	739	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
524		740
525	recalc_x = recalc_y = 0;	741	recalc_x = recalc_y = 0;
526	flags = 0;	742	flags = 0;
		743
527	if (!R->parsed_geometry) {	744	if (!parsed_geometry)
		745	{
528	R->parsed_geometry = 1;	746	parsed_geometry = 1;
		747
529	if (R->rs[Rs_geometry])	748	if (rs[Rs_geometry])
530	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	749	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		750
531	if (flags & WidthValue) {	751	if (flags & WidthValue)
532	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	752	{
		753	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
533	R->szHint.flags |= USSize;	754	szHint.flags |= USSize;
534	}	755	}
		756
535	if (flags & HeightValue) {	757	if (flags & HeightValue)
536	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	758	{
		759	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
537	R->szHint.flags |= USSize;	760	szHint.flags |= USSize;
538	}	761	}
		762
539	if (flags & XValue) {	763	if (flags & XValue)
		764	{
540	R->szHint.x = x;	765	szHint.x = x;
541	R->szHint.flags |= USPosition;	766	szHint.flags |= USPosition;
		767
542	if (flags & XNegative) {	768	if (flags & XNegative)
		769	{
543	recalc_x = 1;	770	recalc_x = 1;
544	R->szHint.win_gravity = NorthEastGravity;	771	szHint.win_gravity = NorthEastGravity;
545	}	772	}
546	}	773	}
		774
547	if (flags & YValue) {	775	if (flags & YValue)
		776	{
548	R->szHint.y = y;	777	szHint.y = y;
549	R->szHint.flags |= USPosition;	778	szHint.flags |= USPosition;
		779
550	if (flags & YNegative) {	780	if (flags & YNegative)
		781	{
551	recalc_y = 1;	782	recalc_y = 1;
		783
552	if (R->szHint.win_gravity == NorthEastGravity)	784	if (szHint.win_gravity == NorthEastGravity)
553	R->szHint.win_gravity = SouthEastGravity;	785	szHint.win_gravity = SouthEastGravity;
554	else	786	else
555	R->szHint.win_gravity = SouthWestGravity;	787	szHint.win_gravity = SouthWestGravity;
556	}	788	}
557	}	789	}
558	}	790	}
		791
559	/* TODO: BOUNDS */	792	/* TODO: BOUNDS */
560	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	793	width = ncol * fwidth;
561	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	794	height = nrow * fheight;
562	max_width = MAX_COLS * R->TermWin.fwidth;	795	max_width = MAX_COLS * fwidth;
563	max_height = MAX_ROWS * R->TermWin.fheight;	796	max_height = MAX_ROWS * fheight;
564		797
565	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	798	szHint.base_width = szHint.base_height = 2 * int_bwidth;
566		799
567	sb_w = mb_h = 0;	800	sb_w = 0;
568	R->window_vt_x = R->window_vt_y = 0;	801	window_vt_x = window_vt_y = int_bwidth;
569	if (scrollbar_visible(R)) {	802
		803	if (scrollBar.state)
		804	{
570	sb_w = scrollbar_TotalWidth();	805	sb_w = scrollbar_TotalWidth ();
571	R->szHint.base_width += sb_w;	806	szHint.base_width += sb_w;
572	if (!(R->Options & Opt_scrollBar_right))	807	if (!OPTION (Opt_scrollBar_right))
573	R->window_vt_x = sb_w;	808	window_vt_x += sb_w;
574	}	809	}
575	if (menubar_visible(R)) {	810
576	mb_h = menuBar_TotalHeight();
577	R->szHint.base_height += mb_h;
578	R->window_vt_y = mb_h;
579	}
580	R->szHint.width_inc = R->TermWin.fwidth;	811	szHint.width_inc = fwidth;
581	R->szHint.height_inc = R->TermWin.fheight;	812	szHint.height_inc = fheight;
582	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	813	szHint.min_width = szHint.base_width + szHint.width_inc;
583	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	814	szHint.min_height = szHint.base_height + szHint.height_inc;
584		815
585	if (width && width - R->szHint.base_width < max_width) {	816	if (newwidth && newwidth - szHint.base_width < max_width)
		817	{
586	R->szHint.width = width;	818	szHint.width = newwidth;
587	R->TermWin.width = width - R->szHint.base_width;	819	width = newwidth - szHint.base_width;
588	} else {	820	}
589	MIN_IT(R->TermWin.width, max_width);	821	else
		822	{
		823	min_it (width, max_width);
590	R->szHint.width = R->szHint.base_width + R->TermWin.width;	824	szHint.width = szHint.base_width + width;
591	}	825	}
		826
592	if (height && height - R->szHint.base_height < max_height) {	827	if (newheight && newheight - szHint.base_height < max_height)
		828	{
593	R->szHint.height = height;	829	szHint.height = newheight;
594	R->TermWin.height = height - R->szHint.base_height;	830	height = newheight - szHint.base_height;
595	} else {	831	}
596	MIN_IT(R->TermWin.height, max_height);	832	else
		833	{
		834	min_it (height, max_height);
597	R->szHint.height = R->szHint.base_height + R->TermWin.height;	835	szHint.height = szHint.base_height + height;
598	}	836	}
599	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	837
		838	if (scrollBar.state && OPTION (Opt_scrollBar_right))
600	R->window_sb_x = R->szHint.width - sb_w;	839	window_sb_x = szHint.width - sb_w;
601		840
602	if (recalc_x)	841	if (recalc_x)
603	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	842	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
604	- R->szHint.width - 2 * R->TermWin.ext_bwidth);
605	if (recalc_y)	843	if (recalc_y)
606	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	844	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
607	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
608		845
609	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	846	ncol = width / fwidth;
610	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	847	nrow = height / fheight;
611	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	848	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
612	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	849	ncol, nrow, szHint.width,
613	R->szHint.height));	850	szHint.height));
614	return;	851	return;
615	}	852	}
616		853
617	/*----------------------------------------------------------------------*/	854	/*----------------------------------------------------------------------*/
618	/*	855	/*
619	* Tell the teletype handler what size the window is.	856	* Tell the teletype handler what size the window is.
620	* Called after a window size change.	857	* Called after a window size change.
621	*/	858	*/
622	void	859	void
623	rxvt_term::tt_winch ()	860	rxvt_term::tt_winch ()
624	{	861	{
625	struct winsize ws;	862	if (pty->pty < 0)
626
627	if (cmd_fd < 0)
628	return;	863	return;
629		864
		865	struct winsize ws;
		866
630	ws.ws_col = TermWin.ncol;	867	ws.ws_col = ncol;
631	ws.ws_row = TermWin.nrow;	868	ws.ws_row = nrow;
632	ws.ws_xpixel = ws.ws_ypixel = 0;	869	ws.ws_xpixel = width;
633	#ifndef DEBUG_SIZE	870	ws.ws_ypixel = height;
634	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	871	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
635	#else	872
636	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	873	#if 0
637	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	874	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
638	# ifdef SIGWINCH
639	else if (cmd_pid) /* force through to the command */	875	if (cmd_pid) /* force through to the command */
640	kill (cmd_pid, SIGWINCH);	876	kill (-cmd_pid, SIGWINCH);
641	# endif
642	#endif	877	#endif
643	}	878	}
644		879
645	/*----------------------------------------------------------------------*/	880	/*----------------------------------------------------------------------*/
646	/* rxvt_change_font() - Switch to a new font */	881	/* set_fonts () - load and set the various fonts
647	/*	882	*
648	* init = 1 - initialize	883	* init = 1 - initialize
649	*	884	*
650	* fontname == FONT_UP - switch to bigger font	885	* fontname == FONT_UP - switch to bigger font
651	* fontname == FONT_DN - switch to smaller font	886	* fontname == FONT_DN - switch to smaller font
652	*/	887	*/
653	/* EXTPROTO */	888	bool
654	void	889	rxvt_term::set_fonts ()
655	rxvt_change_font(pR_ int init, const char *fontname)
656	{	890	{
657	}	891	rxvt_fontset *fs = new rxvt_fontset (this);
		892	rxvt_fontprop prop;
658		893
659	/* INTPROTO */	894	if (!fs
660	void	895	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
661	rxvt_font_up_down(pR_ int n, int direction)	896	|| !fs->realize_font (1))
		897	{
		898	delete fs;
		899	return false;
		900	}
		901
		902	#if ENABLE_STYLES
		903	for (int i = RS_styleCount; --i; )
		904	if (fontset[i] != fontset[0])
		905	delete fontset[i];
		906	#endif
		907
		908	delete fontset[0];
		909	fontset[0] = fs;
		910
		911	prop = (*fs)[1]->properties ();
		912	prop.height += lineSpace;
		913	fs->set_prop (prop);
		914
		915	fwidth = prop.width;
		916	fheight = prop.height;
		917	fbase = prop.ascent;
		918
		919	for (int style = 1; style < 4; style++)
		920	{
		921	#if ENABLE_STYLES
		922	const char *res = rs[Rs_font + style];
		923
		924	if (res && !*res)
		925	fontset[style] = fontset[0];
		926	else
		927	{
		928	fontset[style] = fs = new rxvt_fontset (this);
		929	rxvt_fontprop prop2 = prop;
		930
		931	if (res)
		932	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		933	else
		934	{
		935	res = fontset[0]->fontdesc;
		936
		937	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		938	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		939	}
		940
		941	fs->populate (res);
		942	fs->set_prop (prop2);
		943	}
		944	#else
		945	fontset[style] = fontset[0];
		946	#endif
		947	}
		948
		949	if (parent[0])
		950	{
		951	resize_all_windows (0, 0, 0);
		952	scr_remap_chars ();
		953	scr_touch (true);
		954	}
		955
		956	return true;
		957	}
		958
		959	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
662	{	960	{
		961	XChangeProperty (display->display, parent[0],
		962	prop, XA_STRING, 8, PropModeReplace,
		963	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		964	}
		965
		966	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		967	{
		968	wchar_t *ws = rxvt_mbstowcs (str, len);
		969	char *s = rxvt_wcstoutf8 (ws);
		970
		971	XChangeProperty (display->display, parent[0],
		972	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		973	(const unsigned char *)s, strlen (s));
		974
		975	free (s);
		976	free (ws);
663	}	977	}
664		978
665	/*----------------------------------------------------------------------*/	979	/*----------------------------------------------------------------------*/
666	/*----------------------------------------------------------------------*/	980	/*----------------------------------------------------------------------*/
667	/* xterm sequences - title, iconName, color (exptl) */	981	/* xterm sequences - title, iconName, color (exptl) */
668	/* EXTPROTO */
669	void	982	void
670	rxvt_set_title(pR_ const char *str)	983	rxvt_term::set_title (const char *str)
671	{	984	{
672	#ifndef SMART_WINDOW_TITLE	985	set_string_property (XA_WM_NAME, str);
673	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	986	#if ENABLE_EWMH
		987	set_utf8_property (xa[XA_NET_WM_NAME], str);
		988	#endif
		989	}
		990
		991	void
		992	rxvt_term::set_icon_name (const char *str)
		993	{
		994	set_string_property (XA_WM_ICON_NAME, str);
		995	#if ENABLE_EWMH
		996	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		997	#endif
		998	}
		999
		1000	#ifdef XTERM_COLOR_CHANGE
		1001	void
		1002	rxvt_term::set_window_color (int idx, const char *color)
		1003	{
		1004	rxvt_color xcol;
		1005	int i;
		1006
		1007	if (color == NULL || *color == '\0')
		1008	return;
		1009
		1010	/* handle color aliases */
		1011	if (isdigit (*color))
		1012	{
		1013	i = atoi (color);
		1014
		1015	if (i >= 8 && i <= 15)
		1016	{ /* bright colors */
		1017	i -= 8;
		1018	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		1019	SET_PIXCOLOR (idx);
		1020	goto done;
		1021	}
		1022
		1023	if (i >= 0 && i <= 7)
		1024	{ /* normal colors */
		1025	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		1026	SET_PIXCOLOR (idx);
		1027	goto done;
		1028	}
		1029	}
		1030
		1031	if (!rXParseAllocColor (&xcol, color))
		1032	return;
		1033
		1034	/* XStoreColor (display->display, display->cmap, XColor*); */
		1035
		1036	/*
		1037	* FIXME: should free colors here, but no idea how to do it so instead,
		1038	* so just keep gobbling up the colormap
		1039	*/
		1040	# if 0
		1041	for (i = Color_Black; i <= Color_White; i++)
		1042	if (pix_colors[idx] == pix_colors[i])
		1043	break;
		1044	if (i > Color_White)
		1045	{
		1046	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		1047	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		1048	DisplayPlanes (display->display, display->screen));
		1049	}
		1050	# endif
		1051
		1052	pix_colors_focused[idx] = xcol;
		1053	SET_PIXCOLOR (idx);
		1054
		1055	/* XSetWindowAttributes attr; */
		1056	/* Cursor cursor; */
		1057	done:
		1058
		1059	#if OFF_FOCUS_FADING
		1060	if (rs[Rs_fade])
		1061	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		1062	#endif
		1063
		1064	/*TODO: handle Color_BD, scrollbar background, etc. */
		1065
		1066	recolour_cursor ();
		1067	scr_recolour ();
		1068	}
		1069
674	#else	1070	#else
675	char *name;
676
677	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
678	name = NULL;
679	if (name == NULL || STRCMP(name, str))
680	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
681	if (name)
682	XFree(name);
683	#endif
684	}
685
686	/* EXTPROTO */
687	void
688	rxvt_set_iconName(pR_ const char *str)
689	{
690	#ifndef SMART_WINDOW_TITLE
691	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
692	#else
693	char *name;
694
695	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
696	name = NULL;
697	if (name == NULL || STRCMP(name, str))
698	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
699	if (name)
700	XFree(name);
701	#endif
702	}
703
704	#ifdef XTERM_COLOR_CHANGE
705	/* EXTPROTO */
706	void
707	rxvt_set_window_color(pR_ int idx, const char *color)
708	{
709	rxvt_color xcol;
710	int i;
711
712	if (color == NULL || *color == '\0')
713	return;
714
715	/* handle color aliases */
716	if (isdigit(*color)) {
717	i = atoi(color);
718	if (i >= 8 && i <= 15) { /* bright colors */
719	i -= 8;
720	# ifndef NO_BRIGHTCOLOR
721	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
722	SET_PIXCOLOR(R, idx);
723	goto Done;
724	# endif
725	}
726	if (i >= 0 && i <= 7) { /* normal colors */
727	R->PixColors[idx] = R->PixColors[minCOLOR + i];
728	SET_PIXCOLOR(R, idx);
729	goto Done;
730	}
731	}
732	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
733	return;
734	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
735
736	/*
737	* FIXME: should free colors here, but no idea how to do it so instead,
738	* so just keep gobbling up the colormap
739	*/
740	# if 0
741	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[idx] == R->PixColors[i])
743	break;
744	if (i > Color_White) {
745	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
746	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
747	DisplayPlanes(R->Xdisplay, Xscreen));
748	}
749	# endif
750
751	R->PixColors[idx] = xcol;
752	SET_PIXCOLOR(R, idx);
753
754	/* XSetWindowAttributes attr; */
755	/* Cursor cursor; */
756	Done:
757	if (idx == Color_bg && !(R->Options & Opt_transparent))
758	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
759	R->PixColors[Color_bg]);
760
761	/* handle Color_BD, scrollbar background, etc. */
762
763	rxvt_set_colorfgbg(aR);
764	rxvt_recolour_cursor(aR);
765	/* the only reasonable way to enforce a clean update */
766	rxvt_scr_poweron(aR);
767	}
768
769	#else
770	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	1071	# define set_window_color (idx,color) ((void)0)
771	#endif /* XTERM_COLOR_CHANGE */	1072	#endif /* XTERM_COLOR_CHANGE */
772		1073
773	/* EXTPROTO */
774	void	1074	void
775	rxvt_recolour_cursor(pR)	1075	rxvt_term::recolour_cursor ()
776	{	1076	{
777	rxvt_color xcol[2];	1077	XColor xcol[2];
778		1078
779	#if TODO	1079	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
780	xcol[0] = R->PixColors[Color_pointer];	1080	? pix_colors_focused[Color_pointer_fg]
781	xcol[1] = R->PixColors[Color_bg];	1081	: pix_colors_focused[Color_fg];
782	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	1082	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1083	? pix_colors_focused[Color_pointer_bg]
		1084	: pix_colors_focused[Color_bg];
		1085
		1086	XQueryColors (display->display, display->cmap, xcol, 2);
783	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1087	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
784	#endif
785	}	1088	}
786		1089
787	/*----------------------------------------------------------------------*/	1090	/*----------------------------------------------------------------------*/
788	/*	1091	/*
789	* find if fg/bg matches any of the normal (low-intensity) colors	1092	* find if fg/bg matches any of the normal (low-intensity) colors
790	*/	1093	*/
791	/* INTPROTO */
792	void	1094	void
793	rxvt_set_colorfgbg(pR)	1095	rxvt_term::set_colorfgbg ()
794	{	1096	{
795	unsigned int i;	1097	unsigned int i;
796	const char *xpmb = "\0";	1098	const char *xpmb = "\0";
797	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1099	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
798		1100
799	R->env_colorfgbg =
800	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1101	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
801	STRCPY(fstr, "default");	1102	strcpy (fstr, "default");
802	STRCPY(bstr, "default");	1103	strcpy (bstr, "default");
803	for (i = Color_Black; i <= Color_White; i++)	1104	for (i = Color_Black; i <= Color_White; i++)
804	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1105	if (pix_colors[Color_fg] == pix_colors[i])
		1106	{
805	sprintf(fstr, "%d", (i - Color_Black));	1107	sprintf (fstr, "%d", (i - Color_Black));
806	break;	1108	break;
807	}	1109	}
		1110
808	for (i = Color_Black; i <= Color_White; i++)	1111	for (i = Color_Black; i <= Color_White; i++)
809	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1112	if (pix_colors[Color_bg] == pix_colors[i])
		1113	{
810	sprintf(bstr, "%d", (i - Color_Black));	1114	sprintf (bstr, "%d", (i - Color_Black));
811	#ifdef XPM_BACKGROUND	1115	#ifdef XPM_BACKGROUND
812	xpmb = "default;";	1116	xpmb = "default;";
813	#endif	1117	#endif
814	break;	1118	break;
815	}	1119	}
		1120
816	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1121	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
817	putenv(R->env_colorfgbg);
818
819	#ifndef NO_BRIGHTCOLOR
820	R->colorfgbg = DEFAULT_RSTYLE;
821	for (i = minCOLOR; i <= maxCOLOR; i++) {
822	if (R->PixColors[Color_fg] == R->PixColors[i])
823	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
824	if (R->PixColors[Color_bg] == R->PixColors[i])
825	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
826	}
827	#endif
828	}	1122	}
829		1123
830	/*----------------------------------------------------------------------*/	1124	/*----------------------------------------------------------------------*/
831	/*
832	* Colour determination for low colour displays, routine from
833	* Hans de Goede <hans@highrise.nl>
834	*/
835		1125
836	/* EXTPROTO */
837	int	1126	int
838	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1127	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
839	{	1128	{
840	screen_in_out->set(aR_ colour);
841
842	if (!screen_in_out->set(aR_ colour)) {	1129	if (!screen_in_out->set (display, colour))
843	rxvt_print_error("can't allocate colour: %s", colour);	1130	{
		1131	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
844	return false;	1132	return false;
845	}	1133	}
846		1134
847	return true;	1135	return true;
848	}	1136	}
849		1137
850	/* -------------------------------------------------------------------- *	1138	/* -------------------------------------------------------------------- *
851	* - WINDOW RESIZING - *	1139	* - WINDOW RESIZING - *
852	* -------------------------------------------------------------------- */	1140	* -------------------------------------------------------------------- */
853	/* EXTPROTO */
854	void	1141	void
855	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1142	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
856	int ignoreparent)
857	{	1143	{
858	int fix_screen;	1144	int fix_screen;
		1145	int old_width = szHint.width, old_height = szHint.height;
		1146	dDisp;
859		1147
		1148	window_calc (newwidth, newheight);
		1149	XSetWMNormalHints (disp, parent[0], &szHint);
		1150
		1151	if (!ignoreparent)
		1152	{
860	#ifdef SMART_RESIZE	1153	#ifdef SMART_RESIZE
861	int old_width = R->szHint.width, old_height = R->szHint.height;	1154	/*
862	#endif
863
864	rxvt_window_calc(aR_ width, height);
865	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
866	if (!ignoreparent) {
867	#ifdef SMART_RESIZE
868	/*
869	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1155	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
870	* reposition window on resize depending on placement on screen	1156	* reposition window on resize depending on placement on screen
871	*/	1157	*/
872	int x, y, x1, y1;	1158	int x, y, x1, y1;
873	int dx, dy;	1159	int dx, dy;
874	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1160	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
875	Window unused_cr;	1161	Window unused_cr;
876		1162
877	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1163	XTranslateCoordinates (disp, parent[0], display->root,
878	0, 0, &x, &y, &unused_cr);	1164	0, 0, &x, &y, &unused_cr);
879	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1165	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
880	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1166	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
881	/*	1167	/*
882	* if Xroot isn't the parent window, a WM will probably have offset	1168	* if display->root isn't the parent window, a WM will probably have offset
883	* our position for handles and decorations. Counter it	1169	* our position for handles and decorations. Counter it
884	*/	1170	*/
885	if (x1 != x || y1 != y) {	1171	if (x1 != x || y1 != y)
		1172	{
886	x -= x1;	1173	x -= x1;
887	y -= y1;	1174	y -= y1;
888	}	1175	}
889		1176
890	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1177	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
891	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1178	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
892	dx = old_width - R->szHint.width;	1179	dx = old_width - szHint.width;
893	dy = old_height - R->szHint.height;	1180	dy = old_height - szHint.height;
894		1181
895	/* Check position of the center of the window */	1182	/* Check position of the center of the window */
896	if (x < x1) /* left half */	1183	if (x < x1) /* left half */
897	dx = 0;	1184	dx = 0;
898	else if (x == x1) /* exact center */	1185	else if (x == x1) /* exact center */
899	dx /= 2;	1186	dx /= 2;
900	if (y < y1) /* top half */	1187	if (y < y1) /* top half */
901	dy = 0;	1188	dy = 0;
902	else if (y == y1) /* exact center */	1189	else if (y == y1) /* exact center */
903	dy /= 2;	1190	dy /= 2;
904		1191
905	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1192	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
906	R->szHint.width, R->szHint.height);	1193	szHint.width, szHint.height);
907	#else	1194	#else
908	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1195	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
909	R->szHint.height);
910	#endif	1196	#endif
911	}	1197	}
912		1198
913	fix_screen = (R->TermWin.ncol != R->prev_ncol	1199	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
914	|| R->TermWin.nrow != R->prev_nrow);	1200
915	if (fix_screen || width != R->old_width || height != R->old_height) {	1201	if (fix_screen || newwidth != old_width || newheight != old_height)
916	if (scrollbar_visible(R)) {	1202	{
		1203	if (scrollBar.state)
		1204	{
917	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1205	XMoveResizeWindow (disp, scrollBar.win,
		1206	window_sb_x, 0,
918	0, scrollbar_TotalWidth(), R->szHint.height);	1207	scrollbar_TotalWidth (), szHint.height);
919	rxvt_Resize_scrollBar(aR);	1208	resize_scrollbar ();
920	}	1209	}
921	if (menubar_visible(R))	1210
922	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1211	XMoveResizeWindow (disp, vt,
923	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1212	window_vt_x, window_vt_y,
924	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
925	R->window_vt_y, TermWin_TotalWidth(),
926	TermWin_TotalHeight());	1213	width, height);
927	#ifdef RXVT_GRAPHICS	1214
928	if (R->old_height)
929	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
930	R->old_height - R->szHint.base_height);
931	#endif
932	rxvt_scr_clear(aR);	1215	scr_clear ();
933	#ifdef XPM_BACKGROUND	1216	#ifdef XPM_BACKGROUND
934	rxvt_resize_pixmap(aR);	1217	resize_pixmap ();
935	#endif	1218	#endif
936	}	1219	}
937		1220
938	if (fix_screen || R->old_height == 0) {	1221	if (fix_screen || old_height == 0)
		1222	{
939	int curr_screen = -1;	1223	int curr_screen = -1;
940	uint16_t old_ncol = R->prev_ncol;	1224	int old_ncol = prev_ncol;
941		1225
942	/* scr_reset only works on the primary screen */	1226	/* scr_reset only works on the primary screen */
943	if (R->old_height) /* this is not the first time through */	1227	if (old_height) /* this is not the first time through */
		1228	{
		1229	unsigned int ocol = ncol;
		1230	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
944	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1231	curr_screen = scr_change_screen (PRIMARY);
945		1232	ncol = ocol;
946	R->scr_reset();
947
948	if (curr_screen >= 0) { /* this is not the first time through */
949	rxvt_scr_change_screen(aR_ curr_screen);
950	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
951	}	1233	}
952	}
953		1234
		1235	scr_reset ();
		1236
		1237	if (curr_screen >= 0) /* this is not the first time through */
		1238	{
		1239	scr_change_screen (curr_screen);
		1240	selection_check (old_ncol != ncol ? 4 : 0);
		1241	}
		1242	}
		1243
954	R->old_width = R->szHint.width;	1244	old_width = szHint.width;
955	R->old_height = R->szHint.height;	1245	old_height = szHint.height;
		1246
		1247	#ifdef XPM_BACKGROUND
		1248	if (pixmap)
		1249	scr_touch (false);
		1250	#endif
956		1251
957	#ifdef USE_XIM	1252	#ifdef USE_XIM
958	rxvt_IMSetStatusPosition(aR);	1253	IMSetStatusPosition ();
959	#endif	1254	#endif
960	}	1255	}
961		1256
962	/*	1257	/*
963	* Set the width/height of the vt window in characters. Units are pixels.	1258	* Set the width/height of the vt window in characters. Units are pixels.
964	* good for toggling 80/132 columns	1259	* good for toggling 80/132 columns
965	*/	1260	*/
966	/* EXTPROTO */
967	void	1261	void
968	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1262	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
969	{	1263	{
970	XWindowAttributes wattr;	1264	XWindowAttributes wattr;
971		1265
972	if (width == 0 || height == 0) {	1266	if (newwidth == 0 || newheight == 0)
		1267	{
973	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1268	XGetWindowAttributes (display->display, display->root, &wattr);
		1269
974	if (width == 0)	1270	if (newwidth == 0)
975	width = wattr.width - R->szHint.base_width;	1271	newwidth = wattr.width - szHint.base_width;
976	if (height == 0)	1272	if (newheight == 0)
977	height = wattr.height - R->szHint.base_height;	1273	newheight = wattr.height - szHint.base_height;
		1274	}
		1275
		1276	if (newwidth != width || newheight != height)
978	}	1277	{
979	if (width != R->TermWin.width || height != R->TermWin.height) {
980	width += R->szHint.base_width;	1278	newwidth += szHint.base_width;
981	height += R->szHint.base_height;	1279	newheight += szHint.base_height;
982	rxvt_resize_all_windows(aR_ width, height, 0);	1280	resize_all_windows (newwidth, newheight, 0);
983	}	1281	}
984	}	1282	}
985		1283
986	/* -------------------------------------------------------------------- *	1284	/* -------------------------------------------------------------------- *
987	* - X INPUT METHOD ROUTINES - *	1285	* - X INPUT METHOD ROUTINES - *
988	* -------------------------------------------------------------------- */	1286	* -------------------------------------------------------------------- */
989	#ifdef USE_XIM	1287	#ifdef USE_XIM
990	/* INTPROTO */
991	void
992	rxvt_setSize(pR_ XRectangle * size)
993	{
994	size->x = R->TermWin.int_bwidth;
995	size->y = R->TermWin.int_bwidth;
996	size->width = Width2Pixel(R->TermWin.ncol);
997	size->height = Height2Pixel(R->TermWin.nrow);
998	}
999		1288
1000	/* INTPROTO */
1001	void	1289	void
1002	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1290	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1003	{	1291	{
1004	*fg = R->PixColors[Color_fg];	1292	fg = pix_colors[Color_fg];
1005	*bg = R->PixColors[Color_bg];	1293	bg = pix_colors[Color_bg];
		1294	}
		1295
		1296	void
		1297	rxvt_term::im_set_size (XRectangle &size)
		1298	{
		1299	// the int_bwidth terms make no sense to me
		1300	size.x = int_bwidth;
		1301	size.y = int_bwidth;
		1302	size.width = Width2Pixel (ncol) + int_bwidth;
		1303	size.height = Height2Pixel (nrow) + int_bwidth;
		1304	}
		1305
		1306	void
		1307	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1308	XRectangle &status_rect,
		1309	const XRectangle &needed_rect)
		1310	{
		1311	preedit_rect.x = needed_rect.width;
		1312	preedit_rect.y = 0;
		1313	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1314	preedit_rect.height = fheight;
		1315
		1316	status_rect.x = 0;
		1317	status_rect.y = 0;
		1318	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1319	status_rect.height = fheight;
1006	}	1320	}
1007		1321
1008	/* Checking whether input method is running. */	1322	/* Checking whether input method is running. */
1009	/* INTPROTO */
1010	Bool	1323	bool
1011	rxvt_IMisRunning(pR)	1324	rxvt_term::IMisRunning ()
1012	{	1325	{
1013	char *p;	1326	char *p;
1014	Atom atom;	1327	Atom atom;
1015	Window win;	1328	Window win;
1016	char server[IMBUFSIZ];	1329	char server[IMBUFSIZ];
1017		1330
1018	/* get current locale modifier */	1331	/* get current locale modifier */
1019	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1332	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1333	{
1020	STRCPY(server, "@server=");	1334	strcpy (server, "@server=");
1021	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1335	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1336
1022	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1337	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1023	*p = '\0';	1338	*p = '\0';
1024		1339
1025	atom = XInternAtom(R->Xdisplay, server, False);	1340	atom = XInternAtom (display->display, server, False);
1026	win = XGetSelectionOwner(R->Xdisplay, atom);	1341	win = XGetSelectionOwner (display->display, atom);
		1342
1027	if (win != None)	1343	if (win != None)
1028	return True;	1344	return True;
1029	}	1345	}
		1346
1030	return False;	1347	return False;
1031	}	1348	}
1032		1349
1033	/* EXTPROTO */
1034	void	1350	void
1035	rxvt_IMSendSpot(pR)	1351	rxvt_term::IMSendSpot ()
1036	{	1352	{
1037	XPoint spot;	1353	XPoint nspot;
1038	XVaNestedList preedit_attr;	1354	XVaNestedList preedit_attr;
1039		1355
1040	if (R->Input_Context == NULL	1356	if (!Input_Context
		1357	|| !focus
1041	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1358	|| !(input_style & XIMPreeditPosition))
1042	|| !(R->event_type == KeyPress
1043	|| R->event_type == Expose
1044	|| R->event_type == NoExpose
1045	|| R->event_type == SelectionNotify
1046	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1047	|| !rxvt_IMisRunning(aR))
1048	return;	1359	return;
1049		1360
1050	rxvt_setPosition(aR_ & spot);	1361	im_set_position (nspot);
1051		1362
		1363	if (nspot.x == spot.x && nspot.y == spot.y)
		1364	return;
		1365
		1366	spot = nspot;
		1367
1052	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1368	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1053	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1369	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1054	XFree(preedit_attr);	1370	XFree (preedit_attr);
1055	}	1371	}
1056		1372
1057	/* EXTPROTO */
1058	void	1373	void
1059	rxvt_setTermFontSet(pR_ int idx)	1374	rxvt_term::im_destroy ()
1060	{	1375	{
1061	char *string;	1376	if (input_method)
1062	long length;	1377	{
1063	int success = 0;	1378	if (Input_Context && input_method->xim)
		1379	XDestroyIC (Input_Context);
1064		1380
1065	if (idx < 0 || idx >= MAX_NFONTS)	1381	display->put_xim (input_method);
1066	return;	1382	input_method = 0;
1067	}	1383	}
1068		1384
1069	/* INTPROTO */
1070	void
1071	rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1072	XRectangle * needed_rect)
1073	{
1074	int mbh, vtx = 0;
1075
1076	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1077	vtx = scrollbar_TotalWidth();
1078	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1079	mbh -= R->TermWin.lineSpace;
1080
1081	preedit_rect->x = needed_rect->width + vtx;
1082	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1083
1084	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1085	+ vtx;
1086	preedit_rect->height = Height2Pixel(1);
1087
1088	status_rect->x = vtx;
1089	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1090
1091	status_rect->width = needed_rect->width ? needed_rect->width
1092	: Width2Pixel(R->TermWin.ncol + 1);
1093	status_rect->height = Height2Pixel(1);
1094	}
1095
1096	/* ARGSUSED */
1097	/* INTPROTO */
1098	void
1099	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1100	__attribute__ ((unused)), XPointer call_data
1101	__attribute__ ((unused)))
1102	{
1103	dR;
1104
1105	R->Input_Context = NULL;	1385	Input_Context = 0;
1106	/* To avoid Segmentation Fault in C locale: Solaris only? */
1107	if (STRCMP(R->locale, "C"))
1108	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1109	rxvt_IMInstantiateCallback, NULL);
1110	}	1386	}
1111		1387
1112	/*	1388	/*
1113	* X manual pages and include files don't match on some systems:	1389	* Try to open a XIM with the current modifiers, then see if we can
1114	* some think this is an XIDProc and others an XIMProc so we can't	1390	* open a suitable preedit type
1115	* use the first argument - need to update this to be nice for
1116	* both types via some sort of configure detection
1117	*/	1391	*/
1118	/* ARGSUSED */	1392	bool
1119	/* EXTPROTO */	1393	rxvt_term::IM_get_IC (const char *modifiers)
1120	void
1121	rxvt_IMInstantiateCallback(Display * unused
1122	__attribute__ ((unused)), XPointer client_data
1123	__attribute__ ((unused)), XPointer call_data
1124	__attribute__ ((unused)))
1125	{	1394	{
1126	dR;	1395	int i, j, found;
1127	int i, found, had_im;	1396	XIM xim;
		1397	XPoint spot;
		1398	XRectangle rect, status_rect, needed_rect;
		1399	unsigned long fg, bg;
		1400	const char *p;
		1401	char **s;
		1402	XIMStyles *xim_styles;
		1403
		1404	set_environ (envv);
		1405
		1406	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1407	return false;
		1408
		1409	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
		1410	input_method = display->get_xim (locale, modifiers);
		1411	if (input_method == NULL)
		1412	return false;
		1413
		1414	xim = input_method->xim;
		1415	spot.x = spot.y = -1;
		1416
		1417	xim_styles = NULL;
		1418	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
		1419	|| !xim_styles || !xim_styles->count_styles)
		1420	{
		1421	im_destroy ();
		1422	return false;
		1423	}
		1424
		1425	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1426
		1427	for (int pi = 0; pi < 2; pi++)
		1428	{
		1429	p = pet[pi];
		1430
		1431	if (!p)
		1432	continue;
		1433
		1434	s = rxvt_splitcommastring (p);
		1435
		1436	for (i = found = 0; !found && s[i]; i++)
		1437	{
		1438	if (!strcmp (s[i], "OverTheSpot"))
		1439	input_style = (XIMPreeditPosition | XIMStatusNothing);
		1440	else if (!strcmp (s[i], "OffTheSpot"))
		1441	input_style = (XIMPreeditArea | XIMStatusArea);
		1442	else if (!strcmp (s[i], "Root"))
		1443	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1444	else if (!strcmp (s[i], "None"))
		1445	input_style = (XIMPreeditNone | XIMStatusNone);
		1446
		1447	for (j = 0; j < xim_styles->count_styles; j++)
		1448	if (input_style == xim_styles->supported_styles[j])
		1449	{
		1450	rxvt_freecommastring (s);
		1451
		1452	found = 1;
		1453	goto foundpet;
		1454	}
		1455
		1456	}
		1457
		1458	rxvt_freecommastring (s);
		1459	}
		1460
		1461	foundpet:
		1462
		1463	XFree (xim_styles);
		1464
		1465	if (!found)
		1466	{
		1467	im_destroy ();
		1468	return false;
		1469	}
		1470
		1471	XFontSet fs = 0;
		1472	XVaNestedList preedit_attr = 0, status_attr = 0;
		1473
		1474	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1475	{
		1476	// fake us a font-set, please
		1477	char **missing_charset_list;
		1478	int missing_charset_count;
		1479	char *def_string;
		1480	char pat[512];
		1481
		1482	sprintf (pat,
		1483	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1484	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1485	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1486	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1487	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1488	"*",
		1489	fheight,
		1490	fheight + 1, fheight - 1,
		1491	fheight - 2, fheight + 2);
		1492
		1493	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1494	&missing_charset_list, &missing_charset_count, &def_string);
		1495
		1496	if (missing_charset_list)
		1497	XFreeStringList (missing_charset_list);
		1498
		1499	if (!fs)
		1500	{
		1501	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1502	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1503	}
		1504	}
		1505
		1506	if (input_style & XIMPreeditPosition)
		1507	{
		1508	im_set_size (rect);
		1509	im_set_position (spot);
		1510	im_set_color (fg, bg);
		1511
		1512	preedit_attr = XVaCreateNestedList (0,
		1513	XNForeground, fg,
		1514	XNBackground, bg,
		1515	XNArea, &rect,
		1516	XNSpotLocation, &spot,
		1517	XNFontSet, fs,
		1518	NULL);
		1519	}
		1520	else if (input_style & XIMPreeditArea)
		1521	{
		1522	im_set_color (fg, bg);
		1523
		1524	/*
		1525	* The necessary width of preedit area is unknown
		1526	* until create input context.
		1527	*/
		1528	needed_rect.width = 0;
		1529	im_set_preedit_area (rect, status_rect, needed_rect);
		1530
		1531	preedit_attr = XVaCreateNestedList (0,
		1532	XNForeground, fg,
		1533	XNBackground, bg,
		1534	XNArea, &rect,
		1535	XNFontSet, fs,
		1536	NULL);
		1537	status_attr = XVaCreateNestedList (0,
		1538	XNForeground, fg,
		1539	XNBackground, bg,
		1540	XNArea, &status_rect,
		1541	XNFontSet, fs,
		1542	NULL);
		1543	}
		1544
		1545	Input_Context = XCreateIC (xim,
		1546	XNInputStyle, input_style,
		1547	XNClientWindow, vt,
		1548	XNFocusWindow, parent[0],
		1549	preedit_attr ? XNPreeditAttributes : NULL,
		1550	preedit_attr,
		1551	status_attr ? XNStatusAttributes : NULL,
		1552	status_attr, NULL);
		1553
		1554	if (preedit_attr) XFree (preedit_attr);
		1555	if (status_attr) XFree (status_attr);
		1556	if (fs) XFreeFontSet (display->display, fs);
		1557
		1558	if (Input_Context == NULL)
		1559	{
		1560	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1561	im_destroy ();
		1562	return false;
		1563	}
		1564
		1565	if (input_style & XIMPreeditArea)
		1566	IMSetStatusPosition ();
		1567
		1568	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
		1569	return true;
		1570	}
		1571
		1572	void
		1573	rxvt_term::im_cb ()
		1574	{
		1575	int i;
1128	const char *p;	1576	const char *p;
1129	char **s;	1577	char **s;
1130	char buf[IMBUFSIZ];	1578	char buf[IMBUFSIZ];
1131		1579
		1580	make_current ();
		1581
		1582	im_destroy ();
		1583
1132	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1584	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1133	if (R->Input_Context)	1585	if (Input_Context)
1134	return;	1586	return;
1135		1587
		1588	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1589	if (rs[Rs_imLocale])
		1590	SET_LOCALE (rs[Rs_imLocale]);
		1591	#endif
		1592
1136	p = R->rs[Rs_inputMethod];	1593	p = rs[Rs_inputMethod];
1137	if (p && *p)	1594	if (p && *p)
1138	{	1595	{
1139	bool found = false;	1596	bool found = false;
1140		1597
1141	s = rxvt_splitcommastring (p);	1598	s = rxvt_splitcommastring (p);
		1599
1142	for (i = 0; s[i]; i++)	1600	for (i = 0; s[i]; i++)
1143	{	1601	{
1144	if (*s[i])	1602	if (*s[i])
1145	{	1603	{
1146	STRCPY (buf, "@im=");	1604	strcpy (buf, "@im=");
1147	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1605	strncat (buf, s[i], IMBUFSIZ - 5);
1148	if ((p = XSetLocaleModifiers (buf)) && *p	1606	if (IM_get_IC (buf))
1149	&& rxvt_IM_get_IC (aR))
1150	{	1607	{
1151	found = true;	1608	found = true;
1152	break;	1609	break;
1153	}	1610	}
1154	}	1611	}
1155	}	1612	}
1156	for (i = 0; s[i]; i++)	1613
1157	free(s[i]);	1614	rxvt_freecommastring (s);
1158	free(s);
1159		1615
1160	if (found)	1616	if (found)
1161	return;	1617	goto done;
1162	}	1618	}
1163		1619
1164	/* try with XMODIFIERS env. var. */	1620	/* try with XMODIFIERS env. var. */
1165	if ((p = XSetLocaleModifiers ("")) && *p	1621	if (IM_get_IC (""))
1166	&& rxvt_IM_get_IC (aR))	1622	goto done;
		1623
		1624	/* try with no modifiers base IF the user didn't specify an IM */
		1625	if (IM_get_IC ("@im=none"))
		1626	goto done;
		1627
		1628	done:
		1629	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1630	if (rs[Rs_imLocale])
		1631	SET_LOCALE (locale);
		1632	#endif
		1633	}
		1634
		1635	void
		1636	rxvt_term::IMSetStatusPosition ()
		1637	{
		1638	XRectangle preedit_rect, status_rect, *needed_rect;
		1639	XVaNestedList preedit_attr, status_attr;
		1640
		1641	if (!Input_Context
		1642	|| !focus
		1643	|| !(input_style & XIMPreeditArea)
		1644	|| !IMisRunning ())
1167	return;	1645	return;
1168		1646
1169	/* try with no modifiers base IF the user didn't specify an IM */
1170	if ((p = XSetLocaleModifiers ("@im=none")) && *p
1171	&& rxvt_IM_get_IC (aR) == True)
1172	return;
1173	}
1174
1175	/*
1176	* Try to open a XIM with the current modifiers, then see if we can
1177	* open a suitable preedit type
1178	*/
1179	/* INTPROTO */
1180	Bool
1181	rxvt_IM_get_IC(pR)
1182	{
1183	int i, j, found;
1184	XIM xim;
1185	XPoint spot;
1186	XRectangle rect, status_rect, needed_rect;
1187	unsigned long fg, bg;
1188	const char *p;
1189	char **s;
1190	XIMStyles *xim_styles;
1191	XVaNestedList preedit_attr, status_attr;
1192	XIMCallback ximcallback;
1193
1194	D_MAIN((stderr, "rxvt_IM_get_IC()"));
1195	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);
1196	if (xim == NULL)
1197	return False;
1198
1199	xim_styles = NULL;
1200	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)
1201	|| !xim_styles || !xim_styles->count_styles) {
1202	XCloseIM(xim);
1203	return False;
1204	}
1205
1206	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]
1207	: "OverTheSpot,OffTheSpot,Root";
1208	s = rxvt_splitcommastring(p);
1209	for (i = found = 0; !found && s[i]; i++) {
1210	if (!STRCMP(s[i], "OverTheSpot"))
1211	R->input_style = (XIMPreeditPosition | XIMStatusNothing);
1212	else if (!STRCMP(s[i], "OffTheSpot"))
1213	R->input_style = (XIMPreeditArea | XIMStatusArea);
1214	else if (!STRCMP(s[i], "Root"))
1215	R->input_style = (XIMPreeditNothing | XIMStatusNothing);
1216
1217	for (j = 0; j < xim_styles->count_styles; j++)
1218	if (R->input_style == xim_styles->supported_styles[j]) {
1219	found = 1;
1220	break;
1221	}
1222	}
1223	for (i = 0; s[i]; i++)
1224	free(s[i]);
1225	free(s);
1226	XFree(xim_styles);
1227
1228	if (!found) {
1229	XCloseIM(xim);
1230	return False;
1231	}
1232
1233	ximcallback.callback = rxvt_IMDestroyCallback;
1234
1235	/* XXX: not sure why we need this (as well as IC one below) */
1236	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1237
1238	preedit_attr = status_attr = NULL;
1239
1240	if (R->input_style & XIMPreeditPosition) {
1241	rxvt_setSize(aR_ & rect);
1242	rxvt_setPosition(aR_ & spot);
1243	rxvt_setColor(aR_ & fg, &bg);
1244
1245	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1246	XNSpotLocation, &spot,
1247	XNForeground, fg, XNBackground, bg,
1248	//XNFontSet, R->TermWin.fontset,
1249	NULL);
1250	} else if (R->input_style & XIMPreeditArea) {
1251	rxvt_setColor(aR_ & fg, &bg);
1252
1253	/*
1254	* The necessary width of preedit area is unknown
1255	* until create input context.
1256	*/
1257	needed_rect.width = 0;
1258
1259	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1260
1261	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1262	XNForeground, fg, XNBackground, bg,
1263	//XNFontSet, R->TermWin.fontset,
1264	NULL);
1265	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1266	XNForeground, fg, XNBackground, bg,
1267	//XNFontSet, R->TermWin.fontset,
1268	NULL);
1269	}
1270	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1271	XNClientWindow, R->TermWin.parent[0],
1272	XNFocusWindow, R->TermWin.parent[0],
1273	XNDestroyCallback, &ximcallback,
1274	preedit_attr ? XNPreeditAttributes : NULL,
1275	preedit_attr,
1276	status_attr ? XNStatusAttributes : NULL,
1277	status_attr, NULL);
1278	if (preedit_attr)
1279	XFree(preedit_attr);
1280	if (status_attr)
1281	XFree(status_attr);
1282	if (R->Input_Context == NULL) {
1283	rxvt_print_error("failed to create input context");
1284	XCloseIM(xim);
1285	return False;
1286	}
1287	if (R->input_style & XIMPreeditArea)
1288	rxvt_IMSetStatusPosition(aR);
1289	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1290	return True;
1291	}
1292
1293	/* EXTPROTO */
1294	void
1295	rxvt_IMSetStatusPosition(pR)
1296	{
1297	XRectangle preedit_rect, status_rect, *needed_rect;
1298	XVaNestedList preedit_attr, status_attr;
1299
1300	if (R->Input_Context == NULL
1301	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)
1302	|| !rxvt_IMisRunning(aR))
1303	return;
1304
1305	/* Getting the necessary width of preedit area */	1647	/* Getting the necessary width of preedit area */
1306	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1648	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1307	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1649	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1308	XFree(status_attr);	1650	XFree (status_attr);
1309		1651
1310	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1652	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1653	XFree (needed_rect);
1311		1654
1312	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1655	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1313	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1656	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1314		1657
1315	XSetICValues(R->Input_Context,	1658	XSetICValues (Input_Context,
1316	XNPreeditAttributes, preedit_attr,	1659	XNPreeditAttributes, preedit_attr,
1317	XNStatusAttributes, status_attr, NULL);	1660	XNStatusAttributes, status_attr, NULL);
1318		1661
1319	XFree(preedit_attr);	1662	XFree (preedit_attr);
1320	XFree(status_attr);	1663	XFree (status_attr);
1321	}	1664	}
1322	#endif /* USE_XIM */	1665	#endif /* USE_XIM */
1323		1666
1324	/*----------------------------------------------------------------------*/	1667	/*----------------------------------------------------------------------*/
1325	rxvt_t rxvt_current_term;	1668	rxvt_t rxvt_current_term;

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