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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.10 by pcg, Wed Dec 3 23:19:44 2003 UTC vs.
Revision 1.160 by root, Wed Jan 4 05:35:34 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.10 2003/12/03 23:19:44 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) 2003-2004 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	vector<rxvt_term *> rxvt_term::termlist;
		52
		53	static char curlocale[128], savelocale[128];
		54
		55	bool
		56	rxvt_set_locale (const char *locale)
		57	{
		58	if (!locale || !strncmp (locale, curlocale, 128))
		59	return false;
		60
		61	strncpy (curlocale, locale, 128);
		62	setlocale (LC_CTYPE, curlocale);
		63	return true;
		64	}
		65
		66	bool
		67	rxvt_push_locale (const char *locale)
		68	{
		69	strcpy (savelocale, curlocale);
		70	rxvt_set_locale (locale);
		71	}
		72
47	void *	73	void
48	rxvt_term::operator new (size_t s)	74	rxvt_pop_locale ()
49	{	75	{
50	void *p = malloc (s);	76	rxvt_set_locale (savelocale);
		77	}
51		78
52	MEMSET (p, 0, s);	79	#if ENABLE_COMBINING
		80	class rxvt_composite_vec rxvt_composite;
		81
		82	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		83	{
		84	compose_char *cc;
		85
		86	// break compose chains, as stupid readline really likes to duplicate
		87	// composing characters for some reason near the end of a line.
		88	cc = (*this)[c1];
		89	while (cc)
		90	{
		91	if (cc->c2 == c2) return c1;
		92	cc = (*this)[cc->c1];
		93	}
		94
		95	// check to see wether this combination already exists otherwise
		96	for (cc = v.end (); cc-- > v.begin (); )
		97	{
		98	if (cc->c1 == c1 && cc->c2 == c2)
		99	return COMPOSE_LO + (cc - v.begin ());
		100	}
		101
		102	// allocate a new combination
		103	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		104	{
		105	static int seen;
		106
		107	if (!seen++)
		108	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		109
		110	return REPLACEMENT_CHAR;
		111	}
		112
		113	v.push_back (compose_char (c1, c2));
		114
		115	return v.size () - 1 + COMPOSE_LO;
		116	}
		117
		118	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		119	{
		120	compose_char *cc = (*this)[c];
		121
		122	if (!cc)
		123	{
		124	if (r) *r = c;
		125	return 1;
		126	}
		127
		128	int len = expand (cc->c1, r);
		129
		130	if (r) r += len;
		131
		132	if (cc->c2 != NOCHAR)
		133	{
		134	len++;
		135	if (r) *r++ = cc->c2;
		136	}
		137
53	return p;	138	return len;
54	}
55		139
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	140	}
		141	#endif
61		142
62	rxvt_term::rxvt_term ()	143	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	144	:
		145	#if TRANSPARENT
		146	rootwin_ev (this, &rxvt_term::rootwin_cb),
		147	#endif
		148	#ifdef HAVE_SCROLLBARS
		149	scrollbar_ev (this, &rxvt_term::x_cb),
		150	#endif
		151	#ifdef MENUBAR
		152	menubar_ev (this, &rxvt_term::x_cb),
		153	#endif
64	#ifdef CURSOR_BLINK	154	#ifdef CURSOR_BLINK
		155	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		156	#endif
		157	#ifdef TEXT_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	158	text_blink_ev (this, &rxvt_term::text_blink_cb),
		159	#endif
		160	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		161	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		162	#endif
		163	#ifdef SELECTION_SCROLLING
		164	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		165	#endif
		166	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		167	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
66	#endif	168	#endif
67	#ifdef POINTER_BLANK	169	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	170	pointer_ev (this, &rxvt_term::pointer_cb),
69	#endif	171	#endif
		172	#ifdef USE_XIM
		173	im_ev (this, &rxvt_term::im_cb),
		174	#endif
		175	termwin_ev (this, &rxvt_term::x_cb),
70	x_ev (this, &rxvt_term::x_cb),	176	vt_ev (this, &rxvt_term::x_cb),
		177	check_ev (this, &rxvt_term::check_cb),
		178	flush_ev (this, &rxvt_term::flush_cb),
71	destroy_ev (this, &rxvt_term::destroy_cb),	179	destroy_ev (this, &rxvt_term::destroy_cb),
		180	pty_ev (this, &rxvt_term::pty_cb),
72	check_ev (this, &rxvt_term::check_cb)	181	incr_ev (this, &rxvt_term::incr_cb)
73	{	182	{
74	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	183	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		184
		185	termlist.push_back (this);
		186
		187	#ifdef KEYSYM_RESOURCE
		188	keyboard = new keyboard_manager;
		189
		190	if (!keyboard)
		191	rxvt_fatal ("out of memory, aborting.\n");
		192	#endif
		193	}
		194
		195	// clean up the most important stuff, do *not* call x or free mem etc.
		196	// for use before an emergency exit
		197	void rxvt_term::emergency_cleanup ()
		198	{
		199	if (cmd_pid)
		200	kill (-cmd_pid, SIGHUP);
		201
		202	#ifdef UTMP_SUPPORT
		203	privileged_utmp (RESTORE);
		204	#endif
		205
		206	pty.put ();
75	}	207	}
76		208
77	rxvt_term::~rxvt_term ()	209	rxvt_term::~rxvt_term ()
78	{	210	{
79	rxvt_scr_release (this);	211	PERL_INVOKE ((this, HOOK_DESTROY, DT_END));
80		212
81	#ifndef NO_SETOWNER_TTYDEV	213	termlist.erase (find (termlist.begin (), termlist.end(), this));
82	rxvt_privileged_ttydev (this, RESTORE);	214
		215	emergency_cleanup ();
		216
		217	#if ENABLE_STYLES
		218	for (int i = RS_styleCount; --i; )
		219	if (fontset[i] != fontset[0])
		220	delete fontset[i];
83	#endif	221	#endif
84	#ifdef UTMP_SUPPORT	222	delete fontset[0];
85	rxvt_privileged_utmp (this, RESTORE);	223
86	#endif	224	if (display)
		225	{
		226	dDisp;
		227
		228	selection_clear ();
		229
87	#ifdef USE_XIM	230	#ifdef USE_XIM
88	if (Input_Context != NULL)	231	im_destroy ();
		232	#endif
		233	#ifdef MENUBAR
		234	if (menubarGC) XFreeGC (disp, menubarGC);
		235	#endif
		236	#ifdef XTERM_SCROLLBAR
		237	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
		238	if (ShadowGC) XFreeGC (disp, ShadowGC);
		239	#endif
		240	#ifdef PLAIN_SCROLLBAR
		241	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		242	#endif
		243	#ifdef NEXT_SCROLLBAR
		244	if (blackGC) XFreeGC (disp, blackGC);
		245	if (whiteGC) XFreeGC (disp, whiteGC);
		246	if (grayGC) XFreeGC (disp, grayGC);
		247	if (darkGC) XFreeGC (disp, darkGC);
		248	if (stippleGC) XFreeGC (disp, stippleGC);
		249	if (dimple) XFreePixmap (disp, dimple);
		250	if (upArrow) XFreePixmap (disp, upArrow);
		251	if (downArrow) XFreePixmap (disp, downArrow);
		252	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		253	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		254	#endif
		255	#if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
		256	if (topShadowGC) XFreeGC (disp, topShadowGC);
		257	if (botShadowGC) XFreeGC (disp, botShadowGC);
		258	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		259	#endif
		260	if (gc) XFreeGC (disp, gc);
		261
		262	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
		263	delete menuBar.drawable;
		264	//if (menuBar.win)
		265	// XDestroyWindow (disp, menuBar.win);
		266	#endif
		267	delete drawable;
		268	// destroy all windows
		269	if (parent[0])
		270	XDestroyWindow (disp, parent[0]);
89	{	271	}
90	XDestroyIC (Input_Context);
91	Input_Context = NULL;
92	}
93	#endif
94		272
95	if (cmd_fd >= 0)	273	// TODO: free pixcolours, colours should become part of rxvt_display
96	close (cmd_fd);
97		274
98	if (Xfd >= 0)	275	delete pix_colors_focused;
99	XCloseDisplay (Xdisplay);	276	#if OFF_FOCUS_FADING
		277	delete pix_colors_unfocused;
		278	#endif
100		279
101	delete PixColors;	280	displays.put (display);
		281
		282	scr_release ();
		283
		284	/* clear all resources */
		285	for (int i = 0; i < allocated.size (); i++)
		286	free (allocated [i]);
		287
		288	free (selection.text);
		289	// TODO: manage env vars in child only(!)
		290	free (env_windowid);
		291	free (env_display);
		292	free (env_term);
		293	free (env_colorfgbg);
		294	free (locale);
		295	free (v_buffer);
		296	free (incr_buf);
		297
		298	delete envv;
		299	delete argv;
		300
		301	#ifdef KEYSYM_RESOURCE
		302	delete keyboard;
		303	#endif
		304	}
		305
		306	void
		307	rxvt_term::child_exit ()
		308	{
		309	cmd_pid = 0;
		310
		311	if (!OPTION (Opt_hold))
		312	destroy ();
102	}	313	}
103		314
104	void	315	void
105	rxvt_term::destroy ()	316	rxvt_term::destroy ()
106	{	317	{
		318	if (destroy_ev.active)
		319	return;
		320
		321	#if ENABLE_OVERLAY
		322	scr_overlay_off ();
		323	#endif
		324
		325	if (display)
		326	{
		327	#if USE_XIM
		328	im_ev.stop (display);
		329	#endif
		330	#if HAVE_SCROLLBARS
		331	scrollbar_ev.stop (display);
		332	#endif
		333	#if MENUBAR
		334	menubar_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
107	check_ev.stop ();	344	check_ev.stop ();
108	pty_ev.stop ();	345	pty_ev.stop ();
109	x_ev.stop ();
110	#ifdef CURSOR_BLINK	346	#ifdef CURSOR_BLINK
		347	cursor_blink_ev.stop ();
		348	#endif
		349	#ifdef TEXT_BLINK
111	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 ();
112	#endif	357	#endif
113	#ifdef POINTER_BLANK	358	#ifdef POINTER_BLANK
114	pointer_ev.stop ();	359	pointer_ev.stop ();
115	#endif	360	#endif
116		361
…		…
124		369
125	delete this;	370	delete this;
126	}	371	}
127		372
128	/*----------------------------------------------------------------------*/	373	/*----------------------------------------------------------------------*/
129	/* rxvt_init() */	374	/*
130	/* LIBPROTO */	375	* Exit gracefully, clearing the utmp entry and restoring tty attributes
131	rxvt_t	376	* TODO: if debugging, this should free up any known resources if we can
132	rxvt_init (int argc, const char *const *argv)	377	*/
133	{	378	static XErrorHandler old_xerror_handler;
134	SET_R (new rxvt_term);
135	dR;
136		379
137	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);
138	{	408	}
139	delete R;	409	if ((event->error_code == BadWindow) ||
140	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
141	}	442	{
142		443	// GET_R is most likely not the terminal which caused the error,
143	return R;	444	// so just output the error and continue
144	}	445	#if ENABLE_FRILLS
145		446	print_x_error (display, event);
146	/* EXTPROTO */
147	void
148	rxvt_init_signals ()
149	{
150	/* install exit handler for cleanup */
151	#if 0
152	#ifdef HAVE_ATEXIT
153	atexit(rxvt_clean_exit);
154	#else	447	#else
		448	old_xerror_handler (display, event);
155	#endif	449	#endif
156	#endif	450	}
157		451
158	struct sigaction sa;	452	return 0;
159
160	sigfillset (&sa.sa_mask);
161	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
162	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
163	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
164	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
165	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
166	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
167	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
168
169	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
170	/* signal (SIGURG, SIG_DFL); */
171
172	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
173	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
174	}	453	}
175		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	/*----------------------------------------------------------------------*/
176	bool	465	bool
177	rxvt_term::init (int argc, const char *const *argv)	466	rxvt_term::init (int argc, const char *const *argv)
178	{	467	{
179	dR;//TODO (scrollbar, setidle)	468	SET_R (this);
180		469
		470	set_locale ("");
		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	#if MENUBAR_MAX
		484	menubar_read (rs[Rs_menu]);
		485	#endif
		486	#ifdef HAVE_SCROLLBARS
		487	if (OPTION (Opt_scrollBar))
		488	scrollBar.setIdle (); /* set existence for size calculations */
		489	#endif
		490
		491	#if ENABLE_PERL
		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	rxvt_perl.init ();
		497	PERL_INVOKE ((this, HOOK_INIT, DT_END));
		498	}
		499	#endif
		500
		501	create_windows (argc, argv);
		502
		503	dDisp;
		504
		505	init_xlocale ();
		506
		507	scr_reset (); /* initialize screen */
		508
		509	#if 0
		510	XSynchronize (disp, True);
		511	#endif
		512
		513	#ifdef HAVE_SCROLLBARS
		514	if (OPTION (Opt_scrollBar))
		515	resize_scrollbar (); /* create and map scrollbar */
		516	#endif
		517	#if (MENUBAR_MAX)
		518	if (menubar_visible ())
		519	XMapWindow (disp, menuBar.win);
		520	#endif
		521	#ifdef TRANSPARENT
		522	if (OPTION (Opt_transparent))
		523	{
		524	XSelectInput (disp, display->root, PropertyChangeMask);
		525	check_our_parents ();
		526	rootwin_ev.start (display, display->root);
		527	}
		528	#endif
		529
		530	XMapWindow (disp, vt);
		531	XMapWindow (disp, parent[0]);
		532
		533	set_colorfgbg ();
		534
		535	init_command (cmd_argv);
		536
		537	free (cmd_argv);
		538
		539	pty_ev.start (pty.pty, EVENT_READ);
		540
		541	check_ev.start ();
		542
		543	PERL_INVOKE ((this, HOOK_START, DT_END));
		544
		545	return true;
		546	}
		547
		548	static struct sig_handlers
		549	{
		550	sig_watcher sw_chld, sw_term, sw_int;
		551
		552	void sig_chld (sig_watcher &w)
		553	{
		554	// we are being called for every SIGCHLD, find the corresponding term
		555	int pid;
		556
		557	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
		558	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		559	if (pid == (*t)->cmd_pid)
		560	{
		561	(*t)->child_exit ();
		562	break;
		563	}
		564	}
		565
		566	/*
		567	* Catch a fatal signal and tidy up before quitting
		568	*/
		569	void
		570	sig_term (sig_watcher &w)
		571	{
		572	#ifdef DEBUG_CMD
		573	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		574	#endif
		575	rxvt_emergency_cleanup ();
		576	signal (w.signum, SIG_DFL);
		577	kill (getpid (), w.signum);
		578	}
		579
		580	sig_handlers ()
		581	: sw_chld (this, &sig_handlers::sig_chld),
		582	sw_term (this, &sig_handlers::sig_term),
		583	sw_int (this, &sig_handlers::sig_term)
		584	{
		585	}
		586	} sig_handlers;
		587
		588	void
		589	rxvt_init ()
		590	{
181	/*	591	/*
182	* Save and then give up any super-user privileges	592	* Save and then give up any super-user privileges
183	* If we need privileges in any area then we must specifically request it.	593	* If we need privileges in any area then we must specifically request it.
184	* We should only need to be root in these cases:	594	* We should only need to be root in these cases:
185	* 1. write utmp entries on some systems	595	* 1. write utmp entries on some systems
186	* 2. chown tty on some systems	596	* 2. chown tty on some systems
187	*/	597	*/
188	rxvt_privileges (this, SAVE);	598	rxvt_privileges (SAVE);
189	rxvt_privileges (this, IGNORE);	599	rxvt_privileges (IGNORE);
190		600
191	rxvt_init_secondary (this);	601	signal (SIGHUP, SIG_IGN);
		602	signal (SIGPIPE, SIG_IGN);
192		603
193	const char **cmd_argv = rxvt_init_resources (this, argc, argv);	604	sig_handlers.sw_chld.start (SIGCHLD);
		605	sig_handlers.sw_term.start (SIGTERM);
		606	sig_handlers.sw_int.start (SIGINT);
194		607
195	#if (MENUBAR_MAX)	608	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
196	rxvt_menubar_read (this, rs[Rs_menu]);	609	/* signal (SIGURG, SIG_DFL); */
197	#endif
198	#ifdef HAVE_SCROLLBARS
199	if (Options & Opt_scrollBar)
200	scrollbar_setIdle (); /* set existence for size calculations */
201	#endif
202		610
203	rxvt_Create_Windows (this, argc, argv);	611	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
204		612	// TODO: handle this with exceptions and tolerate the memory loss
205	rxvt_init_xlocale (this);	613	XSetIOErrorHandler (rxvt_xioerror_handler);
206
207	rxvt_scr_reset (this); /* initialize screen */
208	#ifdef RXVT_GRAPHICS
209	rxvt_Gr_reset (this); /* reset graphics */
210	#endif
211
212	#if 0
213	#ifdef DEBUG_X
214	XSynchronize(Xdisplay, True);
215	#endif
216	#endif
217
218	#ifdef HAVE_SCROLLBARS
219	if (Options & Opt_scrollBar)
220	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
221	#endif
222	#if (MENUBAR_MAX)
223	if (menubar_visible(r))
224	XMapWindow (Xdisplay, menuBar.win);
225	#endif
226	#ifdef TRANSPARENT
227	if (Options & Opt_transparent)
228	{
229	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
230	rxvt_check_our_parents (this);
231	}
232	#endif
233	XMapWindow (Xdisplay, TermWin.vt);
234	XMapWindow (Xdisplay, TermWin.parent[0]);
235
236	rxvt_init_env (this);
237	rxvt_init_command (this, cmd_argv);
238
239	x_ev.start (Xfd, EVENT_READ);
240	pty_ev.start (cmd_fd, EVENT_READ);
241
242	check_ev.start ();
243
244	process_x_events ();
245
246	return true;
247	}
248
249	/* ------------------------------------------------------------------------- *
250	* SIGNAL HANDLING & EXIT HANDLER *
251	* ------------------------------------------------------------------------- */
252	/*
253	* Catch a SIGCHLD signal and exit if the direct child has died
254	*/
255	/* ARGSUSED */
256	/* EXTPROTO */
257	RETSIGTYPE
258	rxvt_Child_signal(int sig __attribute__ ((unused)))
259	{
260	int pid, save_errno = errno;
261	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
262	;
263	errno = save_errno;
264
265	#if 0
266	if (pid == R->cmd_pid)
267	exit (EXIT_SUCCESS);
268	#endif
269	}
270
271	/*
272	* Catch a fatal signal and tidy up before quitting
273	*/
274	/* EXTPROTO */
275	RETSIGTYPE
276	rxvt_Exit_signal(int sig)
277	{
278	signal(sig, SIG_DFL);
279	#ifdef DEBUG_CMD
280	rxvt_print_error("signal %d", sig);
281	#endif
282	rxvt_clean_exit();
283	kill(getpid(), sig);
284	}
285
286	/* ARGSUSED */
287	/* INTPROTO */
288	int
289	rxvt_xerror_handler(const Display * display
290	__attribute__ ((unused)), const XErrorEvent * event)
291	{
292	dR;
293
294	if (R->allowedxerror == -1)
295	R->allowedxerror = event->error_code;
296	else
297	{
298	rxvt_print_error("XError: Request: %d . %d, Error: %d",
299	event->request_code, event->minor_code,
300	event->error_code);
301
302	R->destroy ();
303	}
304
305	return 0;
306	}
307
308	/*----------------------------------------------------------------------*/
309	/*
310	* Exit gracefully, clearing the utmp entry and restoring tty attributes
311	* TODO: if debugging, this should free up any known resources if we can
312	*/
313	/* EXTPROTO */
314	void
315	rxvt_clean_exit ()
316	{
317	dR;
318
319	R->destroy ();
320	}	614	}
321		615
322	/* ------------------------------------------------------------------------- *	616	/* ------------------------------------------------------------------------- *
323	* MEMORY ALLOCATION WRAPPERS *	617	* MEMORY ALLOCATION WRAPPERS *
324	* ------------------------------------------------------------------------- */	618	* ------------------------------------------------------------------------- */
325	/* EXTPROTO */	619	void *
		620	rxvt_malloc (size_t size)
		621	{
		622	void *p = malloc (size);
		623
		624	if (!p)
		625	rxvt_fatal ("memory allocation failure. aborting.\n");
		626
		627	return p;
		628	}
		629
		630	void *
		631	rxvt_calloc (size_t number, size_t size)
		632	{
		633	void *p = calloc (number, size);
		634
		635	if (!p)
		636	rxvt_fatal ("memory allocation failure. aborting.\n");
		637
		638	return p;
		639	}
		640
326	void *	641	void *
327	rxvt_malloc(size_t size)
328	{
329	void *p;
330
331	p = malloc(size);
332	if (p)
333	return p;
334
335	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
336	rxvt_clean_exit();
337	exit(EXIT_FAILURE);
338	/* NOTREACHED */
339	}
340
341	/* EXTPROTO */
342	void *
343	rxvt_calloc(size_t number, size_t size)
344	{
345	void *p;
346
347	p = calloc(number, size);
348	if (p)
349	return p;
350
351	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
352	rxvt_clean_exit();
353	exit(EXIT_FAILURE);
354	/* NOTREACHED */
355	}
356
357	/* EXTPROTO */
358	void *
359	rxvt_realloc(void *ptr, size_t size)	642	rxvt_realloc (void *ptr, size_t size)
360	{	643	{
361	void *p;
362
363	if (ptr)
364	p = realloc(ptr, size);	644	void *p = realloc (ptr, size);
365	else	645
366	p = malloc(size);
367	if (p)	646	if (!p)
		647	rxvt_fatal ("memory allocation failure. aborting.\n");
		648
368	return p;	649	return p;
369
370	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
371	rxvt_clean_exit();
372	exit(EXIT_FAILURE);
373	/* NOTREACHED */
374	}	650	}
375		651
376	/* ------------------------------------------------------------------------- *	652	/* ------------------------------------------------------------------------- *
377	* PRIVILEGED OPERATIONS *	653	* PRIVILEGED OPERATIONS *
378	* ------------------------------------------------------------------------- */	654	* ------------------------------------------------------------------------- */
379	/* take care of suid/sgid super-user (root) privileges */	655	/* take care of suid/sgid super-user (root) privileges */
380	/* INTPROTO */
381	void	656	void
382	rxvt_privileges(pR_ int mode)	657	rxvt_privileges (rxvt_privaction action)
383	{	658	{
		659	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
		660	static uid_t euid;
		661	static gid_t egid;
		662	#endif
		663
384	#if ! defined(__CYGWIN32__)	664	#if ! defined(__CYGWIN32__)
385	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	665	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
386	/* setreuid() is the poor man's setuid(), seteuid() */	666	/* setreuid () is the poor man's setuid (), seteuid () */
387	# define seteuid(a) setreuid(-1, (a))	667	# define seteuid(a) setreuid(-1, (a))
388	# define setegid(a) setregid(-1, (a))	668	# define setegid(a) setregid(-1, (a))
389	# define HAVE_SETEUID	669	# define HAVE_SETEUID
390	# endif	670	# endif
391	# ifdef HAVE_SETEUID	671	# ifdef HAVE_SETEUID
392	switch (mode) {	672	switch (action)
		673	{
393	case IGNORE:	674	case IGNORE:
394	/*	675	/*
395	* change effective uid/gid - not real uid/gid - so we can switch	676	* change effective uid/gid - not real uid/gid - so we can switch
396	* back to root later, as required	677	* back to root later, as required
397	*/	678	*/
398	seteuid(getuid());	679	seteuid (getuid ());
399	setegid(getgid());	680	setegid (getgid ());
400	break;	681	break;
401	case SAVE:	682	case SAVE:
402	R->euid = geteuid();	683	euid = geteuid ();
403	R->egid = getegid();	684	egid = getegid ();
404	break;	685	break;
405	case RESTORE:	686	case RESTORE:
406	seteuid(R->euid);	687	seteuid (euid);
407	setegid(R->egid);	688	setegid (egid);
408	break;	689	break;
409	}	690	}
410	# else	691	# else
411	switch (mode) {	692	switch (action)
		693	{
412	case IGNORE:	694	case IGNORE:
413	setuid(getuid());	695	setuid (getuid ());
414	setgid(getgid());	696	setgid (getgid ());
415	/* FALLTHROUGH */	697	/* FALLTHROUGH */
416	case SAVE:	698	case SAVE:
417	/* FALLTHROUGH */	699	/* FALLTHROUGH */
418	case RESTORE:	700	case RESTORE:
419	break;	701	break;
420	}	702	}
421	# endif	703	# endif
422	#endif	704	#endif
423	}	705	}
424		706
425	#ifdef UTMP_SUPPORT	707	#ifdef UTMP_SUPPORT
426	/* EXTPROTO */
427	void	708	void
428	rxvt_privileged_utmp(pR_ char action)	709	rxvt_term::privileged_utmp (rxvt_privaction action)
429	{	710	{
430	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",	711	if (OPTION (Opt_utmpInhibit)
431	action, R->next_utmp_action, getpid()));	712	|| !pty.name || !*pty.name)
432	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
433	|| (R->Options & Opt_utmpInhibit)
434	|| R->ttydev == NULL || *R->ttydev == '\0')
435	return;	713	return;
436		714
437	rxvt_privileges(aR_ RESTORE);	715	rxvt_privileges (RESTORE);
		716
438	if (action == SAVE) {	717	if (action == SAVE)
439	R->next_utmp_action = RESTORE;	718	makeutent (pty.name, rs[Rs_display_name]);
440	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	719	else
441	} else { /* action == RESTORE */	720	cleanutent ();
442	R->next_utmp_action = IGNORE;	721
443	rxvt_cleanutent(aR);
444	}
445	rxvt_privileges(aR_ IGNORE);	722	rxvt_privileges (IGNORE);
446	}
447	#endif
448
449	#ifndef NO_SETOWNER_TTYDEV
450	/* EXTPROTO */
451	void
452	rxvt_privileged_ttydev(pR_ char action)
453	{
454	D_MAIN((stderr,
455	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
456	action, R->next_tty_action, getpid()));
457	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
458	|| R->ttydev == NULL || *R->ttydev == '\0')
459	return;
460
461	rxvt_privileges(aR_ RESTORE);
462
463	if (action == SAVE) {
464	R->next_tty_action = RESTORE;
465	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
466	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
467	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
468	R->next_tty_action = IGNORE;
469	else
470	# endif
471	{
472	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
473	chmod(R->ttydev, R->ttymode);
474	# ifdef HAVE_REVOKE
475	revoke(R->ttydev);
476	# endif
477	}
478	} else { /* action == RESTORE */
479	R->next_tty_action = IGNORE;
480	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
481	chmod(R->ttydev, R->ttyfd_stat.st_mode);
482	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
483	# else
484	chmod(R->ttydev,
485	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
486	chown(R->ttydev, 0, 0);
487	# endif
488	}
489
490	rxvt_privileges(aR_ IGNORE);
491
492	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
493	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
494	action == RESTORE ? "Restoring" : (action ==
495	SAVE ? "Saving" :
496	"UNKNOWN ERROR for"), R->ttydev,
497	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
498	R->ttyfd_stat.st_gid));
499	# endif
500	}	723	}
501	#endif	724	#endif
502		725
503	/*----------------------------------------------------------------------*/	726	/*----------------------------------------------------------------------*/
504	/*	727	/*
505	* window size/position calculcations for XSizeHint and other storage.	728	* window size/position calculcations for XSizeHint and other storage.
506	* if width/height are non-zero then override calculated width/height	729	* if width/height are non-zero then override calculated width/height
507	*/	730	*/
508	/* EXTPROTO */
509	void	731	void
510	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	732	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
511	{	733	{
512	short recalc_x, recalc_y;	734	short recalc_x, recalc_y;
513	int x, y, sb_w, mb_h, flags;	735	int x, y, sb_w, mb_h, flags;
514	unsigned int w, h;	736	unsigned int w, h;
515	unsigned int max_width, max_height;	737	unsigned int max_width, max_height;
		738	dDisp;
516		739
517	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	740	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
518	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	741	ncol, nrow, szHint.width, szHint.height));
519	R->szHint.height));	742
520	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	743	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
521	R->szHint.win_gravity = NorthWestGravity;	744	szHint.win_gravity = NorthWestGravity;
522	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	745	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
523		746
524	recalc_x = recalc_y = 0;	747	recalc_x = recalc_y = 0;
525	flags = 0;	748	flags = 0;
		749
526	if (!R->parsed_geometry) {	750	if (!parsed_geometry)
		751	{
527	R->parsed_geometry = 1;	752	parsed_geometry = 1;
		753
528	if (R->rs[Rs_geometry])	754	if (rs[Rs_geometry])
529	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	755	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		756
530	if (flags & WidthValue) {	757	if (flags & WidthValue)
531	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	758	{
		759	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
532	R->szHint.flags |= USSize;	760	szHint.flags |= USSize;
533	}	761	}
		762
534	if (flags & HeightValue) {	763	if (flags & HeightValue)
535	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	764	{
		765	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
536	R->szHint.flags |= USSize;	766	szHint.flags |= USSize;
537	}	767	}
		768
538	if (flags & XValue) {	769	if (flags & XValue)
		770	{
539	R->szHint.x = x;	771	szHint.x = x;
540	R->szHint.flags |= USPosition;	772	szHint.flags |= USPosition;
		773
541	if (flags & XNegative) {	774	if (flags & XNegative)
		775	{
542	recalc_x = 1;	776	recalc_x = 1;
543	R->szHint.win_gravity = NorthEastGravity;	777	szHint.win_gravity = NorthEastGravity;
544	}	778	}
545	}	779	}
		780
546	if (flags & YValue) {	781	if (flags & YValue)
		782	{
547	R->szHint.y = y;	783	szHint.y = y;
548	R->szHint.flags |= USPosition;	784	szHint.flags |= USPosition;
		785
549	if (flags & YNegative) {	786	if (flags & YNegative)
		787	{
550	recalc_y = 1;	788	recalc_y = 1;
		789
551	if (R->szHint.win_gravity == NorthEastGravity)	790	if (szHint.win_gravity == NorthEastGravity)
552	R->szHint.win_gravity = SouthEastGravity;	791	szHint.win_gravity = SouthEastGravity;
553	else	792	else
554	R->szHint.win_gravity = SouthWestGravity;	793	szHint.win_gravity = SouthWestGravity;
555	}	794	}
556	}	795	}
557	}	796	}
		797
558	/* TODO: BOUNDS */	798	/* TODO: BOUNDS */
559	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	799	width = ncol * fwidth;
560	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	800	height = nrow * fheight;
561	max_width = MAX_COLS * R->TermWin.fwidth;	801	max_width = MAX_COLS * fwidth;
562	max_height = MAX_ROWS * R->TermWin.fheight;	802	max_height = MAX_ROWS * fheight;
563		803
564	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	804	szHint.base_width = szHint.base_height = 2 * int_bwidth;
565		805
566	sb_w = mb_h = 0;	806	sb_w = mb_h = 0;
567	R->window_vt_x = R->window_vt_y = 0;	807	window_vt_x = window_vt_y = int_bwidth;
		808
568	if (scrollbar_visible(R)) {	809	if (scrollbar_visible ())
		810	{
569	sb_w = scrollbar_TotalWidth();	811	sb_w = scrollbar_TotalWidth ();
570	R->szHint.base_width += sb_w;	812	szHint.base_width += sb_w;
571	if (!(R->Options & Opt_scrollBar_right))	813	if (!OPTION (Opt_scrollBar_right))
572	R->window_vt_x = sb_w;	814	window_vt_x += sb_w;
573	}	815	}
		816
574	if (menubar_visible(R)) {	817	if (menubar_visible ())
		818	{
575	mb_h = menuBar_TotalHeight();	819	mb_h = menuBar_TotalHeight ();
576	R->szHint.base_height += mb_h;	820	szHint.base_height += mb_h;
577	R->window_vt_y = mb_h;	821	window_vt_y += mb_h;
578	}	822	}
		823
579	R->szHint.width_inc = R->TermWin.fwidth;	824	szHint.width_inc = fwidth;
580	R->szHint.height_inc = R->TermWin.fheight;	825	szHint.height_inc = fheight;
581	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	826	szHint.min_width = szHint.base_width + szHint.width_inc;
582	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	827	szHint.min_height = szHint.base_height + szHint.height_inc;
583		828
584	if (width && width - R->szHint.base_width < max_width) {	829	if (newwidth && newwidth - szHint.base_width < max_width)
		830	{
585	R->szHint.width = width;	831	szHint.width = newwidth;
586	R->TermWin.width = width - R->szHint.base_width;	832	width = newwidth - szHint.base_width;
587	} else {	833	}
588	MIN_IT(R->TermWin.width, max_width);	834	else
		835	{
		836	min_it (width, max_width);
589	R->szHint.width = R->szHint.base_width + R->TermWin.width;	837	szHint.width = szHint.base_width + width;
590	}	838	}
		839
591	if (height && height - R->szHint.base_height < max_height) {	840	if (newheight && newheight - szHint.base_height < max_height)
		841	{
592	R->szHint.height = height;	842	szHint.height = newheight;
593	R->TermWin.height = height - R->szHint.base_height;	843	height = newheight - szHint.base_height;
594	} else {	844	}
595	MIN_IT(R->TermWin.height, max_height);	845	else
		846	{
		847	min_it (height, max_height);
596	R->szHint.height = R->szHint.base_height + R->TermWin.height;	848	szHint.height = szHint.base_height + height;
597	}	849	}
		850
598	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	851	if (scrollbar_visible () && OPTION (Opt_scrollBar_right))
599	R->window_sb_x = R->szHint.width - sb_w;	852	window_sb_x = szHint.width - sb_w;
600		853
601	if (recalc_x)	854	if (recalc_x)
602	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	855	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
603	- R->szHint.width - 2 * R->TermWin.ext_bwidth);
604	if (recalc_y)	856	if (recalc_y)
605	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	857	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
606	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
607		858
608	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	859	ncol = width / fwidth;
609	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	860	nrow = height / fheight;
610	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	861	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
611	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	862	ncol, nrow, szHint.width,
612	R->szHint.height));	863	szHint.height));
613	return;	864	return;
614	}	865	}
615		866
616	/*----------------------------------------------------------------------*/	867	/*----------------------------------------------------------------------*/
617	/*	868	/*
618	* Tell the teletype handler what size the window is.	869	* Tell the teletype handler what size the window is.
619	* Called after a window size change.	870	* Called after a window size change.
620	*/	871	*/
621	void	872	void
622	rxvt_term::tt_winch ()	873	rxvt_term::tt_winch ()
623	{	874	{
624	struct winsize ws;	875	if (pty.pty < 0)
625
626	if (cmd_fd < 0)
627	return;	876	return;
628		877
		878	struct winsize ws;
		879
629	ws.ws_col = TermWin.ncol;	880	ws.ws_col = ncol;
630	ws.ws_row = TermWin.nrow;	881	ws.ws_row = nrow;
631	ws.ws_xpixel = ws.ws_ypixel = 0;	882	ws.ws_xpixel = width;
632	#ifndef DEBUG_SIZE	883	ws.ws_ypixel = height;
633	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	884	(void)ioctl (pty.pty, TIOCSWINSZ, &ws);
634	#else	885
635	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	886	#if 0
636	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	887	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
637	# ifdef SIGWINCH
638	else if (cmd_pid) /* force through to the command */	888	if (cmd_pid) /* force through to the command */
639	kill (cmd_pid, SIGWINCH);	889	kill (-cmd_pid, SIGWINCH);
640	# endif
641	#endif	890	#endif
642	}	891	}
643		892
644	/*----------------------------------------------------------------------*/	893	/*----------------------------------------------------------------------*/
645	/* rxvt_change_font() - Switch to a new font */	894	/* set_fonts () - load and set the various fonts
646	/*	895	*
647	* init = 1 - initialize	896	* init = 1 - initialize
648	*	897	*
649	* fontname == FONT_UP - switch to bigger font	898	* fontname == FONT_UP - switch to bigger font
650	* fontname == FONT_DN - switch to smaller font	899	* fontname == FONT_DN - switch to smaller font
651	*/	900	*/
652	/* EXTPROTO */	901	bool
653	void	902	rxvt_term::set_fonts ()
654	rxvt_change_font(pR_ int init, const char *fontname)
655	{	903	{
656	}	904	rxvt_fontset *fs = new rxvt_fontset (this);
		905	rxvt_fontprop prop;
657		906
658	/* INTPROTO */	907	if (!fs
659	void	908	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
660	rxvt_font_up_down(pR_ int n, int direction)	909	|| !fs->realize_font (1))
		910	{
		911	delete fs;
		912	return false;
		913	}
		914
		915	#if ENABLE_STYLES
		916	for (int i = RS_styleCount; --i; )
		917	if (fontset[i] != fontset[0])
		918	delete fontset[i];
		919	#endif
		920
		921	delete fontset[0];
		922	fontset[0] = fs;
		923
		924	prop = (*fs)[1]->properties ();
		925	prop.height += lineSpace;
		926	fs->set_prop (prop);
		927
		928	fwidth = prop.width;
		929	fheight = prop.height;
		930	fbase = prop.ascent;
		931
		932	for (int style = 1; style < 4; style++)
		933	{
		934	#if ENABLE_STYLES
		935	const char *res = rs[Rs_font + style];
		936
		937	if (res && !*res)
		938	fontset[style] = fontset[0];
		939	else
		940	{
		941	fontset[style] = fs = new rxvt_fontset (this);
		942	rxvt_fontprop prop2 = prop;
		943
		944	if (res)
		945	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		946	else
		947	{
		948	res = fontset[0]->fontdesc;
		949
		950	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		951	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		952	}
		953
		954	fs->populate (res);
		955	fs->set_prop (prop2);
		956	}
		957	#else
		958	fontset[style] = fontset[0];
		959	#endif
		960	}
		961
		962	if (parent[0])
		963	{
		964	resize_all_windows (0, 0, 0);
		965	scr_remap_chars ();
		966	scr_touch (true);
		967	}
		968
		969	return true;
		970	}
		971
		972	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
661	{	973	{
		974	XChangeProperty (display->display, parent[0],
		975	prop, XA_STRING, 8, PropModeReplace,
		976	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		977	}
		978
		979	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		980	{
		981	wchar_t *ws = rxvt_mbstowcs (str, len);
		982	char *s = rxvt_wcstoutf8 (ws);
		983
		984	XChangeProperty (display->display, parent[0],
		985	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		986	(const unsigned char *)s, strlen (s));
		987
		988	free (s);
		989	free (ws);
662	}	990	}
663		991
664	/*----------------------------------------------------------------------*/	992	/*----------------------------------------------------------------------*/
665	/*----------------------------------------------------------------------*/	993	/*----------------------------------------------------------------------*/
666	/* xterm sequences - title, iconName, color (exptl) */	994	/* xterm sequences - title, iconName, color (exptl) */
667	/* EXTPROTO */
668	void	995	void
669	rxvt_set_title(pR_ const char *str)	996	rxvt_term::set_title (const char *str)
670	{	997	{
671	#ifndef SMART_WINDOW_TITLE	998	set_string_property (XA_WM_NAME, str);
672	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	999	#if ENABLE_EWMH
673	#else	1000	set_utf8_property (xa[XA_NET_WM_NAME], str);
674	char *name;
675
676	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
677	name = NULL;
678	if (name == NULL || STRCMP(name, str))
679	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
680	if (name)
681	XFree(name);
682	#endif	1001	#endif
683	}	1002	}
684		1003
685	/* EXTPROTO */
686	void	1004	void
687	rxvt_set_iconName(pR_ const char *str)	1005	rxvt_term::set_icon_name (const char *str)
688	{	1006	{
689	#ifndef SMART_WINDOW_TITLE	1007	set_string_property (XA_WM_ICON_NAME, str);
690	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);	1008	#if ENABLE_EWMH
691	#else	1009	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
692	char *name;
693
694	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
695	name = NULL;
696	if (name == NULL || STRCMP(name, str))
697	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
698	if (name)
699	XFree(name);
700	#endif	1010	#endif
701	}	1011	}
702		1012
703	#ifdef XTERM_COLOR_CHANGE	1013	#ifdef XTERM_COLOR_CHANGE
704	/* EXTPROTO */
705	void	1014	void
706	rxvt_set_window_color(pR_ int idx, const char *color)	1015	rxvt_term::set_window_color (int idx, const char *color)
707	{	1016	{
708	rxvt_color xcol;	1017	rxvt_color xcol;
709	int i;	1018	int i;
710		1019
711	if (color == NULL || *color == '\0')	1020	if (color == NULL || *color == '\0')
712	return;	1021	return;
713		1022
714	/* handle color aliases */	1023	/* handle color aliases */
715	if (isdigit(*color)) {	1024	if (isdigit (*color))
		1025	{
716	i = atoi(color);	1026	i = atoi (color);
		1027
		1028	if (i >= 8 && i <= 15)
717	if (i >= 8 && i <= 15) { /* bright colors */	1029	{ /* bright colors */
718	i -= 8;	1030	i -= 8;
719	# ifndef NO_BRIGHTCOLOR	1031	# ifndef NO_BRIGHTCOLOR
720	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];	1032	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
721	SET_PIXCOLOR(R, idx);	1033	SET_PIXCOLOR (idx);
722	goto Done;	1034	goto done;
723	# endif	1035	# endif
724	}	1036	}
725	if (i >= 0 && i <= 7) { /* normal colors */	1037
726	R->PixColors[idx] = R->PixColors[minCOLOR + i];	1038	if (i >= 0 && i <= 7)
		1039	{ /* normal colors */
		1040	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
727	SET_PIXCOLOR(R, idx);	1041	SET_PIXCOLOR (idx);
728	goto Done;	1042	goto done;
729	}	1043	}
730	}	1044	}
		1045
731	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))	1046	if (!rXParseAllocColor (&xcol, color))
732	return;	1047	return;
733	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
734		1048
735	/*	1049	/* XStoreColor (display->display, display->cmap, XColor*); */
		1050
		1051	/*
736	* FIXME: should free colors here, but no idea how to do it so instead,	1052	* FIXME: should free colors here, but no idea how to do it so instead,
737	* so just keep gobbling up the colormap	1053	* so just keep gobbling up the colormap
738	*/	1054	*/
739	# if 0	1055	# if 0
740	for (i = Color_Black; i <= Color_White; i++)	1056	for (i = Color_Black; i <= Color_White; i++)
741	if (R->PixColors[idx] == R->PixColors[i])	1057	if (pix_colors[idx] == pix_colors[i])
742	break;	1058	break;
743	if (i > Color_White) {	1059	if (i > Color_White)
		1060	{
744	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */	1061	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
745	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,	1062	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
746	DisplayPlanes(R->Xdisplay, Xscreen));	1063	DisplayPlanes (display->display, display->screen));
747	}	1064	}
748	# endif	1065	# endif
749		1066
750	R->PixColors[idx] = xcol;	1067	pix_colors_focused[idx] = xcol;
751	SET_PIXCOLOR(R, idx);	1068	SET_PIXCOLOR (idx);
752		1069
753	/* XSetWindowAttributes attr; */	1070	/* XSetWindowAttributes attr; */
754	/* Cursor cursor; */	1071	/* Cursor cursor; */
755	Done:	1072	done:
756	if (idx == Color_bg && !(R->Options & Opt_transparent))
757	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
758	R->PixColors[Color_bg]);
759		1073
		1074	#if OFF_FOCUS_FADING
		1075	if (rs[Rs_fade])
		1076	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		1077	#endif
		1078
760	/* handle Color_BD, scrollbar background, etc. */	1079	/*TODO: handle Color_BD, scrollbar background, etc. */
761		1080
762	rxvt_set_colorfgbg(aR);
763	rxvt_recolour_cursor(aR);	1081	recolour_cursor ();
764	/* the only reasonable way to enforce a clean update */	1082	scr_recolour ();
765	rxvt_scr_poweron(aR);
766	}	1083	}
767		1084
768	#else	1085	#else
769	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	1086	# define set_window_color (idx,color) ((void)0)
770	#endif /* XTERM_COLOR_CHANGE */	1087	#endif /* XTERM_COLOR_CHANGE */
771		1088
772	/* EXTPROTO */
773	void	1089	void
774	rxvt_recolour_cursor(pR)	1090	rxvt_term::recolour_cursor ()
775	{	1091	{
776	rxvt_color xcol[2];	1092	XColor xcol[2];
777		1093
778	#if TODO	1094	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
779	xcol[0] = R->PixColors[Color_pointer];	1095	? pix_colors_focused[Color_pointer_fg]
780	xcol[1] = R->PixColors[Color_bg];	1096	: pix_colors_focused[Color_fg];
781	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	1097	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1098	? pix_colors_focused[Color_pointer_bg]
		1099	: pix_colors_focused[Color_bg];
		1100
		1101	XQueryColors (display->display, display->cmap, xcol, 2);
782	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1102	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
783	#endif
784	}	1103	}
785		1104
786	/*----------------------------------------------------------------------*/	1105	/*----------------------------------------------------------------------*/
787	/*	1106	/*
788	* find if fg/bg matches any of the normal (low-intensity) colors	1107	* find if fg/bg matches any of the normal (low-intensity) colors
789	*/	1108	*/
790	/* INTPROTO */
791	void	1109	void
792	rxvt_set_colorfgbg(pR)	1110	rxvt_term::set_colorfgbg ()
793	{	1111	{
794	unsigned int i;	1112	unsigned int i;
795	const char *xpmb = "\0";	1113	const char *xpmb = "\0";
796	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1114	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
797		1115
798	R->env_colorfgbg =
799	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1116	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
800	STRCPY(fstr, "default");	1117	strcpy (fstr, "default");
801	STRCPY(bstr, "default");	1118	strcpy (bstr, "default");
802	for (i = Color_Black; i <= Color_White; i++)	1119	for (i = Color_Black; i <= Color_White; i++)
803	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1120	if (pix_colors[Color_fg] == pix_colors[i])
		1121	{
804	sprintf(fstr, "%d", (i - Color_Black));	1122	sprintf (fstr, "%d", (i - Color_Black));
805	break;	1123	break;
806	}	1124	}
		1125
807	for (i = Color_Black; i <= Color_White; i++)	1126	for (i = Color_Black; i <= Color_White; i++)
808	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1127	if (pix_colors[Color_bg] == pix_colors[i])
		1128	{
809	sprintf(bstr, "%d", (i - Color_Black));	1129	sprintf (bstr, "%d", (i - Color_Black));
810	#ifdef XPM_BACKGROUND	1130	#ifdef XPM_BACKGROUND
811	xpmb = "default;";	1131	xpmb = "default;";
812	#endif	1132	#endif
813	break;	1133	break;
814	}	1134	}
		1135
815	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1136	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
816	putenv(R->env_colorfgbg);
817
818	#ifndef NO_BRIGHTCOLOR
819	R->colorfgbg = DEFAULT_RSTYLE;
820	for (i = minCOLOR; i <= maxCOLOR; i++) {
821	if (R->PixColors[Color_fg] == R->PixColors[i])
822	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
823	if (R->PixColors[Color_bg] == R->PixColors[i])
824	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
825	}
826	#endif
827	}	1137	}
828		1138
829	/*----------------------------------------------------------------------*/	1139	/*----------------------------------------------------------------------*/
830	/*
831	* Colour determination for low colour displays, routine from
832	* Hans de Goede <hans@highrise.nl>
833	*/
834		1140
835	/* EXTPROTO */
836	int	1141	int
837	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1142	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
838	{	1143	{
839	screen_in_out->set(aR_ colour);
840
841	if (!screen_in_out->set(aR_ colour)) {	1144	if (!screen_in_out->set (display, colour))
842	rxvt_print_error("can't allocate colour: %s", colour);	1145	{
		1146	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
843	return false;	1147	return false;
844	}	1148	}
845		1149
846	return true;	1150	return true;
847	}	1151	}
848		1152
849	/* -------------------------------------------------------------------- *	1153	/* -------------------------------------------------------------------- *
850	* - WINDOW RESIZING - *	1154	* - WINDOW RESIZING - *
851	* -------------------------------------------------------------------- */	1155	* -------------------------------------------------------------------- */
852	/* EXTPROTO */
853	void	1156	void
854	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1157	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
855	int ignoreparent)
856	{	1158	{
857	int fix_screen;	1159	int fix_screen;
		1160	int old_width = szHint.width, old_height = szHint.height;
		1161	dDisp;
858		1162
		1163	window_calc (newwidth, newheight);
		1164	XSetWMNormalHints (disp, parent[0], &szHint);
		1165
		1166	if (!ignoreparent)
		1167	{
859	#ifdef SMART_RESIZE	1168	#ifdef SMART_RESIZE
860	int old_width = R->szHint.width, old_height = R->szHint.height;	1169	/*
861	#endif
862
863	rxvt_window_calc(aR_ width, height);
864	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
865	if (!ignoreparent) {
866	#ifdef SMART_RESIZE
867	/*
868	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1170	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
869	* reposition window on resize depending on placement on screen	1171	* reposition window on resize depending on placement on screen
870	*/	1172	*/
871	int x, y, x1, y1;	1173	int x, y, x1, y1;
872	int dx, dy;	1174	int dx, dy;
873	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1175	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
874	Window unused_cr;	1176	Window unused_cr;
875		1177
876	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1178	XTranslateCoordinates (disp, parent[0], display->root,
877	0, 0, &x, &y, &unused_cr);	1179	0, 0, &x, &y, &unused_cr);
878	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1180	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
879	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1181	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
880	/*	1182	/*
881	* if Xroot isn't the parent window, a WM will probably have offset	1183	* if display->root isn't the parent window, a WM will probably have offset
882	* our position for handles and decorations. Counter it	1184	* our position for handles and decorations. Counter it
883	*/	1185	*/
884	if (x1 != x || y1 != y) {	1186	if (x1 != x || y1 != y)
		1187	{
885	x -= x1;	1188	x -= x1;
886	y -= y1;	1189	y -= y1;
887	}	1190	}
888		1191
889	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1192	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
890	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1193	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
891	dx = old_width - R->szHint.width;	1194	dx = old_width - szHint.width;
892	dy = old_height - R->szHint.height;	1195	dy = old_height - szHint.height;
893		1196
894	/* Check position of the center of the window */	1197	/* Check position of the center of the window */
895	if (x < x1) /* left half */	1198	if (x < x1) /* left half */
896	dx = 0;	1199	dx = 0;
897	else if (x == x1) /* exact center */	1200	else if (x == x1) /* exact center */
898	dx /= 2;	1201	dx /= 2;
899	if (y < y1) /* top half */	1202	if (y < y1) /* top half */
900	dy = 0;	1203	dy = 0;
901	else if (y == y1) /* exact center */	1204	else if (y == y1) /* exact center */
902	dy /= 2;	1205	dy /= 2;
903		1206
904	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1207	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
905	R->szHint.width, R->szHint.height);	1208	szHint.width, szHint.height);
906	#else	1209	#else
907	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1210	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
908	R->szHint.height);
909	#endif	1211	#endif
910	}	1212	}
911		1213
912	fix_screen = (R->TermWin.ncol != R->prev_ncol	1214	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
913	|| R->TermWin.nrow != R->prev_nrow);	1215
914	if (fix_screen || width != R->old_width || height != R->old_height) {	1216	if (fix_screen || newwidth != old_width || newheight != old_height)
		1217	{
915	if (scrollbar_visible(R)) {	1218	if (scrollbar_visible ())
		1219	{
916	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1220	XMoveResizeWindow (disp, scrollBar.win,
		1221	window_sb_x, 0,
917	0, scrollbar_TotalWidth(), R->szHint.height);	1222	scrollbar_TotalWidth (), szHint.height);
918	rxvt_Resize_scrollBar(aR);	1223	resize_scrollbar ();
919	}	1224	}
		1225
920	if (menubar_visible(R))	1226	if (menubar_visible ())
921	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1227	XMoveResizeWindow (disp, menuBar.win,
		1228	window_vt_x, 0,
922	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1229	width, menuBar_TotalHeight ());
923	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,	1230
924	R->window_vt_y, TermWin_TotalWidth(),	1231	XMoveResizeWindow (disp, vt,
		1232	window_vt_x, window_vt_y,
925	TermWin_TotalHeight());	1233	width, height);
926	#ifdef RXVT_GRAPHICS	1234
927	if (R->old_height)
928	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
929	R->old_height - R->szHint.base_height);
930	#endif
931	rxvt_scr_clear(aR);	1235	scr_clear ();
932	#ifdef XPM_BACKGROUND	1236	#ifdef XPM_BACKGROUND
933	rxvt_resize_pixmap(aR);	1237	resize_pixmap ();
934	#endif	1238	#endif
935	}	1239	}
936		1240
937	if (fix_screen || R->old_height == 0) {	1241	if (fix_screen || old_height == 0)
		1242	{
938	int curr_screen = -1;	1243	int curr_screen = -1;
939	uint16_t old_ncol = R->prev_ncol;	1244	int old_ncol = prev_ncol;
940		1245
941	/* scr_reset only works on the primary screen */	1246	/* scr_reset only works on the primary screen */
942	if (R->old_height) /* this is not the first time through */	1247	if (old_height) /* this is not the first time through */
		1248	{
		1249	unsigned int ocol = ncol;
		1250	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
943	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1251	curr_screen = scr_change_screen (PRIMARY);
944	rxvt_scr_reset(aR);	1252	ncol = ocol;
945	if (curr_screen >= 0) { /* this is not the first time through */
946	rxvt_scr_change_screen(aR_ curr_screen);
947	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
948	}	1253	}
949	}
950		1254
		1255	scr_reset ();
		1256
		1257	if (curr_screen >= 0) /* this is not the first time through */
		1258	{
		1259	scr_change_screen (curr_screen);
		1260	selection_check (old_ncol != ncol ? 4 : 0);
		1261	}
		1262	}
		1263
951	R->old_width = R->szHint.width;	1264	old_width = szHint.width;
952	R->old_height = R->szHint.height;	1265	old_height = szHint.height;
		1266
		1267	#ifdef XPM_BACKGROUND
		1268	if (pixmap)
		1269	scr_touch (false);
		1270	#endif
953		1271
954	#ifdef USE_XIM	1272	#ifdef USE_XIM
955	rxvt_IMSetStatusPosition(aR);	1273	IMSetStatusPosition ();
956	#endif	1274	#endif
957	}	1275	}
958		1276
959	/*	1277	/*
960	* Set the width/height of the vt window in characters. Units are pixels.	1278	* Set the width/height of the vt window in characters. Units are pixels.
961	* good for toggling 80/132 columns	1279	* good for toggling 80/132 columns
962	*/	1280	*/
963	/* EXTPROTO */
964	void	1281	void
965	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1282	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
966	{	1283	{
967	XWindowAttributes wattr;	1284	XWindowAttributes wattr;
968		1285
969	if (width == 0 || height == 0) {	1286	if (newwidth == 0 || newheight == 0)
		1287	{
970	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1288	XGetWindowAttributes (display->display, display->root, &wattr);
		1289
971	if (width == 0)	1290	if (newwidth == 0)
972	width = wattr.width - R->szHint.base_width;	1291	newwidth = wattr.width - szHint.base_width;
973	if (height == 0)	1292	if (newheight == 0)
974	height = wattr.height - R->szHint.base_height;	1293	newheight = wattr.height - szHint.base_height;
		1294	}
		1295
		1296	if (newwidth != width || newheight != height)
975	}	1297	{
976	if (width != R->TermWin.width || height != R->TermWin.height) {
977	width += R->szHint.base_width;	1298	newwidth += szHint.base_width;
978	height += R->szHint.base_height;	1299	newheight += szHint.base_height;
979	rxvt_resize_all_windows(aR_ width, height, 0);	1300	resize_all_windows (newwidth, newheight, 0);
980	}	1301	}
981	}	1302	}
982		1303
983	/* -------------------------------------------------------------------- *	1304	/* -------------------------------------------------------------------- *
984	* - X INPUT METHOD ROUTINES - *	1305	* - X INPUT METHOD ROUTINES - *
985	* -------------------------------------------------------------------- */	1306	* -------------------------------------------------------------------- */
986	#ifdef USE_XIM	1307	#ifdef USE_XIM
987	/* INTPROTO */
988	void
989	rxvt_setSize(pR_ XRectangle * size)
990	{
991	size->x = R->TermWin.int_bwidth;
992	size->y = R->TermWin.int_bwidth;
993	size->width = Width2Pixel(R->TermWin.ncol);
994	size->height = Height2Pixel(R->TermWin.nrow);
995	}
996		1308
997	/* INTPROTO */
998	void	1309	void
999	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1310	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1000	{	1311	{
1001	*fg = R->PixColors[Color_fg];	1312	fg = pix_colors[Color_fg];
1002	*bg = R->PixColors[Color_bg];	1313	bg = pix_colors[Color_bg];
		1314	}
		1315
		1316	void
		1317	rxvt_term::im_set_size (XRectangle &size)
		1318	{
		1319	// the int_bwidth terms make no sense to me
		1320	size.x = int_bwidth;
		1321	size.y = int_bwidth;
		1322	size.width = Width2Pixel (ncol) + int_bwidth;
		1323	size.height = Height2Pixel (nrow) + int_bwidth;
		1324	}
		1325
		1326	void
		1327	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1328	XRectangle &status_rect,
		1329	const XRectangle &needed_rect)
		1330	{
		1331	preedit_rect.x = needed_rect.width;
		1332	preedit_rect.y = 0;
		1333	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1334	preedit_rect.height = fheight;
		1335
		1336	status_rect.x = 0;
		1337	status_rect.y = 0;
		1338	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1339	status_rect.height = fheight;
1003	}	1340	}
1004		1341
1005	/* Checking whether input method is running. */	1342	/* Checking whether input method is running. */
1006	/* INTPROTO */
1007	Bool	1343	bool
1008	rxvt_IMisRunning(pR)	1344	rxvt_term::IMisRunning ()
1009	{	1345	{
1010	char *p;	1346	char *p;
1011	Atom atom;	1347	Atom atom;
1012	Window win;	1348	Window win;
1013	char server[IMBUFSIZ];	1349	char server[IMBUFSIZ];
1014		1350
1015	/* get current locale modifier */	1351	/* get current locale modifier */
1016	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1352	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1353	{
1017	STRCPY(server, "@server=");	1354	strcpy (server, "@server=");
1018	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1355	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1356
1019	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1357	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1020	*p = '\0';	1358	*p = '\0';
1021		1359
1022	atom = XInternAtom(R->Xdisplay, server, False);	1360	atom = XInternAtom (display->display, server, False);
1023	win = XGetSelectionOwner(R->Xdisplay, atom);	1361	win = XGetSelectionOwner (display->display, atom);
		1362
1024	if (win != None)	1363	if (win != None)
1025	return True;	1364	return True;
1026	}	1365	}
		1366
1027	return False;	1367	return False;
1028	}	1368	}
1029		1369
1030	/* EXTPROTO */
1031	void	1370	void
1032	rxvt_IMSendSpot(pR)	1371	rxvt_term::IMSendSpot ()
1033	{	1372	{
1034	XPoint spot;	1373	XPoint nspot;
1035	XVaNestedList preedit_attr;	1374	XVaNestedList preedit_attr;
1036		1375
1037	if (R->Input_Context == NULL	1376	if (!Input_Context
		1377	|| !focus
1038	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1378	|| !(input_style & XIMPreeditPosition))
1039	|| !(R->event_type == KeyPress
1040	|| R->event_type == Expose
1041	|| R->event_type == NoExpose
1042	|| R->event_type == SelectionNotify
1043	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1044	|| !rxvt_IMisRunning(aR))
1045	return;	1379	return;
1046		1380
1047	rxvt_setPosition(aR_ & spot);	1381	im_set_position (nspot);
1048		1382
		1383	if (nspot.x == spot.x && nspot.y == spot.y)
		1384	return;
		1385
		1386	spot = nspot;
		1387
1049	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1388	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1050	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1389	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1051	XFree(preedit_attr);	1390	XFree (preedit_attr);
1052	}	1391	}
1053		1392
1054	/* EXTPROTO */
1055	void	1393	void
1056	rxvt_setTermFontSet(pR_ int idx)	1394	rxvt_term::im_destroy ()
1057	{	1395	{
1058	char *string;	1396	if (input_method)
1059	long length;
1060	int success = 0;
1061
1062	if (idx < 0 || idx >= MAX_NFONTS)
1063	return;
1064	}
1065
1066	/* INTPROTO */
1067	void
1068	rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1069	XRectangle * needed_rect)
1070	{
1071	int mbh, vtx = 0;
1072
1073	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1074	vtx = scrollbar_TotalWidth();
1075	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1076	mbh -= R->TermWin.lineSpace;
1077
1078	preedit_rect->x = needed_rect->width + vtx;
1079	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1080
1081	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1082	+ vtx;
1083	preedit_rect->height = Height2Pixel(1);
1084
1085	status_rect->x = vtx;
1086	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1087
1088	status_rect->width = needed_rect->width ? needed_rect->width
1089	: Width2Pixel(R->TermWin.ncol + 1);
1090	status_rect->height = Height2Pixel(1);
1091	}
1092
1093	/* ARGSUSED */
1094	/* INTPROTO */
1095	void
1096	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1097	__attribute__ ((unused)), XPointer call_data
1098	__attribute__ ((unused)))
1099	{
1100	dR;
1101
1102	R->Input_Context = NULL;
1103	/* To avoid Segmentation Fault in C locale: Solaris only? */
1104	if (STRCMP(R->locale, "C"))
1105	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1106	rxvt_IMInstantiateCallback, NULL);
1107	}
1108
1109	/*
1110	* X manual pages and include files don't match on some systems:
1111	* some think this is an XIDProc and others an XIMProc so we can't
1112	* use the first argument - need to update this to be nice for
1113	* both types via some sort of configure detection
1114	*/
1115	/* ARGSUSED */
1116	/* EXTPROTO */
1117	void
1118	rxvt_IMInstantiateCallback(Display * unused
1119	__attribute__ ((unused)), XPointer client_data
1120	__attribute__ ((unused)), XPointer call_data
1121	__attribute__ ((unused)))
1122	{
1123	dR;
1124	int i, found, had_im;
1125	const char *p;
1126	char **s;
1127	char buf[IMBUFSIZ];
1128
1129	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1130	if (R->Input_Context)
1131	return;
1132
1133	found = had_im = 0;
1134	p = R->rs[Rs_inputMethod];
1135	if (p && *p) {
1136	had_im = 1;
1137	s = rxvt_splitcommastring(p);
1138	for (i = 0; s[i]; i++) {
1139	if (*s[i]) {
1140	STRCPY(buf, "@im=");
1141	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1142	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1143	&& (rxvt_IM_get_IC(aR) == True)) {
1144	found = 1;
1145	break;
1146	}
1147	}
1148	}
1149	for (i = 0; s[i]; i++)
1150	free(s[i]);
1151	free(s);
1152	}	1397	{
1153	if (found)	1398	if (Input_Context && input_method->xim)
1154	return;	1399	XDestroyIC (Input_Context);
1155		1400
1156	/* try with XMODIFIERS env. var. */	1401	display->put_xim (input_method);
1157	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1402	input_method = 0;
1158	rxvt_IM_get_IC(aR);
1159	return;
1160	}	1403	}
1161		1404
1162	/* try with no modifiers base IF the user didn't specify an IM */	1405	Input_Context = 0;
1163	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1164	&& rxvt_IM_get_IC(aR) == True)
1165	return;
1166	}	1406	}
1167		1407
1168	/*	1408	/*
1169	* Try to open a XIM with the current modifiers, then see if we can	1409	* Try to open a XIM with the current modifiers, then see if we can
1170	* open a suitable preedit type	1410	* open a suitable preedit type
1171	*/	1411	*/
1172	/* INTPROTO */
1173	Bool	1412	bool
1174	rxvt_IM_get_IC(pR)	1413	rxvt_term::IM_get_IC (const char *modifiers)
1175	{	1414	{
1176	int i, j, found;	1415	int i, j, found;
1177	XIM xim;	1416	XIM xim;
1178	XPoint spot;	1417	XPoint spot;
1179	XRectangle rect, status_rect, needed_rect;	1418	XRectangle rect, status_rect, needed_rect;
1180	unsigned long fg, bg;	1419	unsigned long fg, bg;
1181	const char *p;	1420	const char *p;
1182	char **s;	1421	char **s;
1183	XIMStyles *xim_styles;	1422	XIMStyles *xim_styles;
1184	XVaNestedList preedit_attr, status_attr;
1185	XIMCallback ximcallback;
1186		1423
		1424	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1425	return false;
		1426
1187	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1427	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1188	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1428	input_method = display->get_xim (locale, modifiers);
1189	if (xim == NULL)	1429	if (input_method == NULL)
1190	return False;	1430	return false;
1191		1431
		1432	xim = input_method->xim;
		1433	spot.x = spot.y = -1;
		1434
1192	xim_styles = NULL;	1435	xim_styles = NULL;
1193	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1436	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1194	|| !xim_styles || !xim_styles->count_styles) {	1437	|| !xim_styles || !xim_styles->count_styles)
1195	XCloseIM(xim);	1438	{
		1439	im_destroy ();
1196	return False;	1440	return false;
		1441	}
		1442
		1443	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1444
		1445	for (int pi = 0; pi < 2; pi++)
1197	}	1446	{
		1447	p = pet[pi];
1198		1448
1199	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1449	if (!p)
1200	: "OverTheSpot,OffTheSpot,Root";	1450	continue;
		1451
1201	s = rxvt_splitcommastring(p);	1452	s = rxvt_splitcommastring (p);
		1453
1202	for (i = found = 0; !found && s[i]; i++) {	1454	for (i = found = 0; !found && s[i]; i++)
		1455	{
1203	if (!STRCMP(s[i], "OverTheSpot"))	1456	if (!strcmp (s[i], "OverTheSpot"))
1204	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1457	input_style = (XIMPreeditPosition | XIMStatusNothing);
1205	else if (!STRCMP(s[i], "OffTheSpot"))	1458	else if (!strcmp (s[i], "OffTheSpot"))
1206	R->input_style = (XIMPreeditArea | XIMStatusArea);	1459	input_style = (XIMPreeditArea | XIMStatusArea);
1207	else if (!STRCMP(s[i], "Root"))	1460	else if (!strcmp (s[i], "Root"))
1208	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1461	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1462	else if (!strcmp (s[i], "None"))
		1463	input_style = (XIMPreeditNone | XIMStatusNone);
1209		1464
1210	for (j = 0; j < xim_styles->count_styles; j++)	1465	for (j = 0; j < xim_styles->count_styles; j++)
1211	if (R->input_style == xim_styles->supported_styles[j]) {	1466	if (input_style == xim_styles->supported_styles[j])
		1467	{
		1468	rxvt_freecommastring (s);
		1469
1212	found = 1;	1470	found = 1;
		1471	goto foundpet;
		1472	}
		1473
		1474	}
		1475
		1476	rxvt_freecommastring (s);
		1477	}
		1478
		1479	foundpet:
		1480
		1481	XFree (xim_styles);
		1482
		1483	if (!found)
		1484	{
		1485	im_destroy ();
		1486	return false;
		1487	}
		1488
		1489	XFontSet fs = 0;
		1490	XVaNestedList preedit_attr = 0, status_attr = 0;
		1491
		1492	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1493	{
		1494	// fake us a font-set, please
		1495	char **missing_charset_list;
		1496	int missing_charset_count;
		1497	char *def_string;
		1498	char pat[512];
		1499
		1500	sprintf (pat,
		1501	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1502	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1503	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1504	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1505	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1506	"*",
		1507	fheight,
		1508	fheight + 1, fheight - 1,
		1509	fheight - 2, fheight + 2);
		1510
		1511	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1512	&missing_charset_list, &missing_charset_count, &def_string);
		1513
		1514	if (missing_charset_list)
		1515	XFreeStringList (missing_charset_list);
		1516
		1517	if (!fs)
		1518	{
		1519	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1520	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1521	}
		1522	}
		1523
		1524	if (input_style & XIMPreeditPosition)
		1525	{
		1526	im_set_size (rect);
		1527	im_set_position (spot);
		1528	im_set_color (fg, bg);
		1529
		1530	preedit_attr = XVaCreateNestedList (0,
		1531	XNForeground, fg,
		1532	XNBackground, bg,
		1533	XNArea, &rect,
		1534	XNSpotLocation, &spot,
		1535	XNFontSet, fs,
		1536	NULL);
		1537	}
		1538	else if (input_style & XIMPreeditArea)
		1539	{
		1540	im_set_color (fg, bg);
		1541
		1542	/*
		1543	* The necessary width of preedit area is unknown
		1544	* until create input context.
		1545	*/
		1546	needed_rect.width = 0;
		1547	im_set_preedit_area (rect, status_rect, needed_rect);
		1548
		1549	preedit_attr = XVaCreateNestedList (0,
		1550	XNForeground, fg,
		1551	XNBackground, bg,
		1552	XNArea, &rect,
		1553	XNFontSet, fs,
		1554	NULL);
		1555	status_attr = XVaCreateNestedList (0,
		1556	XNForeground, fg,
		1557	XNBackground, bg,
		1558	XNArea, &status_rect,
		1559	XNFontSet, fs,
		1560	NULL);
		1561	}
		1562
		1563	Input_Context = XCreateIC (xim,
		1564	XNInputStyle, input_style,
		1565	XNClientWindow, vt,
		1566	XNFocusWindow, parent[0],
		1567	preedit_attr ? XNPreeditAttributes : NULL,
		1568	preedit_attr,
		1569	status_attr ? XNStatusAttributes : NULL,
		1570	status_attr, NULL);
		1571
		1572	if (preedit_attr) XFree (preedit_attr);
		1573	if (status_attr) XFree (status_attr);
		1574	if (fs) XFreeFontSet (display->display, fs);
		1575
		1576	if (Input_Context == NULL)
		1577	{
		1578	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1579	im_destroy ();
		1580	return false;
		1581	}
		1582
		1583	if (input_style & XIMPreeditArea)
		1584	IMSetStatusPosition ();
		1585
		1586	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
		1587	return true;
		1588	}
		1589
		1590	void
		1591	rxvt_term::im_cb ()
		1592	{
		1593	int i;
		1594	const char *p;
		1595	char **s;
		1596	char buf[IMBUFSIZ];
		1597
		1598	SET_R (this);
		1599
		1600	im_destroy ();
		1601
		1602	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
		1603	if (Input_Context)
		1604	return;
		1605
		1606	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1607	if (rs[Rs_imLocale])
		1608	SET_LOCALE (rs[Rs_imLocale]);
		1609	#endif
		1610
		1611	p = rs[Rs_inputMethod];
		1612	if (p && *p)
		1613	{
		1614	bool found = false;
		1615
		1616	s = rxvt_splitcommastring (p);
		1617
		1618	for (i = 0; s[i]; i++)
		1619	{
		1620	if (*s[i])
		1621	{
		1622	strcpy (buf, "@im=");
		1623	strncat (buf, s[i], IMBUFSIZ - 5);
		1624	if (IM_get_IC (buf))
		1625	{
		1626	found = true;
1213	break;	1627	break;
		1628	}
1214	}	1629	}
1215	}	1630	}
1216	for (i = 0; s[i]; i++)
1217	free(s[i]);
1218	free(s);
1219	XFree(xim_styles);
1220		1631
		1632	rxvt_freecommastring (s);
		1633
1221	if (!found) {	1634	if (found)
1222	XCloseIM(xim);	1635	goto done;
1223	return False;
1224	}	1636	}
1225		1637
1226	ximcallback.callback = rxvt_IMDestroyCallback;	1638	/* try with XMODIFIERS env. var. */
		1639	if (IM_get_IC (""))
		1640	goto done;
1227		1641
1228	/* XXX: not sure why we need this (as well as IC one below) */	1642	/* try with no modifiers base IF the user didn't specify an IM */
1229	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1643	if (IM_get_IC ("@im=none"))
		1644	goto done;
1230		1645
1231	preedit_attr = status_attr = NULL;	1646	done:
1232		1647	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1233	if (R->input_style & XIMPreeditPosition) {	1648	if (rs[Rs_imLocale])
1234	rxvt_setSize(aR_ & rect);	1649	SET_LOCALE (locale);
1235	rxvt_setPosition(aR_ & spot);	1650	#endif
1236	rxvt_setColor(aR_ & fg, &bg);
1237
1238	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1239	XNSpotLocation, &spot,
1240	XNForeground, fg, XNBackground, bg,
1241	//XNFontSet, R->TermWin.fontset,
1242	NULL);
1243	} else if (R->input_style & XIMPreeditArea) {
1244	rxvt_setColor(aR_ & fg, &bg);
1245
1246	/*
1247	* The necessary width of preedit area is unknown
1248	* until create input context.
1249	*/
1250	needed_rect.width = 0;
1251
1252	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1253
1254	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1255	XNForeground, fg, XNBackground, bg,
1256	//XNFontSet, R->TermWin.fontset,
1257	NULL);
1258	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1259	XNForeground, fg, XNBackground, bg,
1260	//XNFontSet, R->TermWin.fontset,
1261	NULL);
1262	}
1263	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1264	XNClientWindow, R->TermWin.parent[0],
1265	XNFocusWindow, R->TermWin.parent[0],
1266	XNDestroyCallback, &ximcallback,
1267	preedit_attr ? XNPreeditAttributes : NULL,
1268	preedit_attr,
1269	status_attr ? XNStatusAttributes : NULL,
1270	status_attr, NULL);
1271	if (preedit_attr)
1272	XFree(preedit_attr);
1273	if (status_attr)
1274	XFree(status_attr);
1275	if (R->Input_Context == NULL) {
1276	rxvt_print_error("failed to create input context");
1277	XCloseIM(xim);
1278	return False;
1279	}
1280	if (R->input_style & XIMPreeditArea)
1281	rxvt_IMSetStatusPosition(aR);
1282	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1283	return True;
1284	}	1651	}
1285		1652
1286	/* EXTPROTO */
1287	void	1653	void
1288	rxvt_IMSetStatusPosition(pR)	1654	rxvt_term::IMSetStatusPosition ()
1289	{	1655	{
1290	XRectangle preedit_rect, status_rect, *needed_rect;	1656	XRectangle preedit_rect, status_rect, *needed_rect;
1291	XVaNestedList preedit_attr, status_attr;	1657	XVaNestedList preedit_attr, status_attr;
1292		1658
1293	if (R->Input_Context == NULL	1659	if (!Input_Context
		1660	|| !focus
1294	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1661	|| !(input_style & XIMPreeditArea)
1295	|| !rxvt_IMisRunning(aR))	1662	|| !IMisRunning ())
1296	return;	1663	return;
1297		1664
1298	/* Getting the necessary width of preedit area */	1665	/* Getting the necessary width of preedit area */
1299	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1666	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1300	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1667	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1301	XFree(status_attr);	1668	XFree (status_attr);
1302		1669
1303	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1670	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1671	XFree (needed_rect);
1304		1672
1305	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1673	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1306	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1674	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1307		1675
1308	XSetICValues(R->Input_Context,	1676	XSetICValues (Input_Context,
1309	XNPreeditAttributes, preedit_attr,	1677	XNPreeditAttributes, preedit_attr,
1310	XNStatusAttributes, status_attr, NULL);	1678	XNStatusAttributes, status_attr, NULL);
1311		1679
1312	XFree(preedit_attr);	1680	XFree (preedit_attr);
1313	XFree(status_attr);	1681	XFree (status_attr);
1314	}	1682	}
1315	#endif /* USE_XIM */	1683	#endif /* USE_XIM */
1316		1684
1317	/*----------------------------------------------------------------------*/	1685	/*----------------------------------------------------------------------*/
1318	rxvt_t rxvt_current_term;	1686	rxvt_t rxvt_current_term;

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