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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.9 by pcg, Tue Dec 2 21:49:46 2003 UTC vs.
Revision 1.161 by root, Wed Jan 4 20:43:38 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.9 2003/12/02 21:49:46 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	return true;
245	}
246
247	/* ------------------------------------------------------------------------- *
248	* SIGNAL HANDLING & EXIT HANDLER *
249	* ------------------------------------------------------------------------- */
250	/*
251	* Catch a SIGCHLD signal and exit if the direct child has died
252	*/
253	/* ARGSUSED */
254	/* EXTPROTO */
255	RETSIGTYPE
256	rxvt_Child_signal(int sig __attribute__ ((unused)))
257	{
258	int pid, save_errno = errno;
259	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
260	;
261	errno = save_errno;
262
263	#if 0
264	if (pid == R->cmd_pid)
265	exit (EXIT_SUCCESS);
266	#endif
267	}
268
269	/*
270	* Catch a fatal signal and tidy up before quitting
271	*/
272	/* EXTPROTO */
273	RETSIGTYPE
274	rxvt_Exit_signal(int sig)
275	{
276	signal(sig, SIG_DFL);
277	#ifdef DEBUG_CMD
278	rxvt_print_error("signal %d", sig);
279	#endif
280	rxvt_clean_exit();
281	kill(getpid(), sig);
282	}
283
284	/* ARGSUSED */
285	/* INTPROTO */
286	int
287	rxvt_xerror_handler(const Display * display
288	__attribute__ ((unused)), const XErrorEvent * event)
289	{
290	dR;
291
292	if (R->allowedxerror == -1)
293	R->allowedxerror = event->error_code;
294	else
295	{
296	rxvt_print_error("XError: Request: %d . %d, Error: %d",
297	event->request_code, event->minor_code,
298	event->error_code);
299
300	R->destroy ();
301	}
302
303	return 0;
304	}
305
306	/*----------------------------------------------------------------------*/
307	/*
308	* Exit gracefully, clearing the utmp entry and restoring tty attributes
309	* TODO: if debugging, this should free up any known resources if we can
310	*/
311	/* EXTPROTO */
312	void
313	rxvt_clean_exit ()
314	{
315	dR;
316
317	R->destroy ();
318	}	614	}
319		615
320	/* ------------------------------------------------------------------------- *	616	/* ------------------------------------------------------------------------- *
321	* MEMORY ALLOCATION WRAPPERS *	617	* MEMORY ALLOCATION WRAPPERS *
322	* ------------------------------------------------------------------------- */	618	* ------------------------------------------------------------------------- */
323	/* 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
324	void *	641	void *
325	rxvt_malloc(size_t size)
326	{
327	void *p;
328
329	p = malloc(size);
330	if (p)
331	return p;
332
333	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
334	rxvt_clean_exit();
335	exit(EXIT_FAILURE);
336	/* NOTREACHED */
337	}
338
339	/* EXTPROTO */
340	void *
341	rxvt_calloc(size_t number, size_t size)
342	{
343	void *p;
344
345	p = calloc(number, size);
346	if (p)
347	return p;
348
349	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
350	rxvt_clean_exit();
351	exit(EXIT_FAILURE);
352	/* NOTREACHED */
353	}
354
355	/* EXTPROTO */
356	void *
357	rxvt_realloc(void *ptr, size_t size)	642	rxvt_realloc (void *ptr, size_t size)
358	{	643	{
359	void *p;
360
361	if (ptr)
362	p = realloc(ptr, size);	644	void *p = realloc (ptr, size);
363	else	645
364	p = malloc(size);
365	if (p)	646	if (!p)
		647	rxvt_fatal ("memory allocation failure. aborting.\n");
		648
366	return p;	649	return p;
367
368	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
369	rxvt_clean_exit();
370	exit(EXIT_FAILURE);
371	/* NOTREACHED */
372	}	650	}
373		651
374	/* ------------------------------------------------------------------------- *	652	/* ------------------------------------------------------------------------- *
375	* PRIVILEGED OPERATIONS *	653	* PRIVILEGED OPERATIONS *
376	* ------------------------------------------------------------------------- */	654	* ------------------------------------------------------------------------- */
377	/* take care of suid/sgid super-user (root) privileges */	655	/* take care of suid/sgid super-user (root) privileges */
378	/* INTPROTO */
379	void	656	void
380	rxvt_privileges(pR_ int mode)	657	rxvt_privileges (rxvt_privaction action)
381	{	658	{
		659	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
		660	static uid_t euid;
		661	static gid_t egid;
		662	#endif
		663
382	#if ! defined(__CYGWIN32__)	664	#if ! defined(__CYGWIN32__)
383	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	665	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
384	/* setreuid() is the poor man's setuid(), seteuid() */	666	/* setreuid () is the poor man's setuid (), seteuid () */
385	# define seteuid(a) setreuid(-1, (a))	667	# define seteuid(a) setreuid(-1, (a))
386	# define setegid(a) setregid(-1, (a))	668	# define setegid(a) setregid(-1, (a))
387	# define HAVE_SETEUID	669	# define HAVE_SETEUID
388	# endif	670	# endif
389	# ifdef HAVE_SETEUID	671	# ifdef HAVE_SETEUID
390	switch (mode) {	672	switch (action)
		673	{
391	case IGNORE:	674	case IGNORE:
392	/*	675	/*
393	* 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
394	* back to root later, as required	677	* back to root later, as required
395	*/	678	*/
396	seteuid(getuid());	679	seteuid (getuid ());
397	setegid(getgid());	680	setegid (getgid ());
398	break;	681	break;
399	case SAVE:	682	case SAVE:
400	R->euid = geteuid();	683	euid = geteuid ();
401	R->egid = getegid();	684	egid = getegid ();
402	break;	685	break;
403	case RESTORE:	686	case RESTORE:
404	seteuid(R->euid);	687	seteuid (euid);
405	setegid(R->egid);	688	setegid (egid);
406	break;	689	break;
407	}	690	}
408	# else	691	# else
409	switch (mode) {	692	switch (action)
		693	{
410	case IGNORE:	694	case IGNORE:
411	setuid(getuid());	695	setuid (getuid ());
412	setgid(getgid());	696	setgid (getgid ());
413	/* FALLTHROUGH */	697	/* FALLTHROUGH */
414	case SAVE:	698	case SAVE:
415	/* FALLTHROUGH */	699	/* FALLTHROUGH */
416	case RESTORE:	700	case RESTORE:
417	break;	701	break;
418	}	702	}
419	# endif	703	# endif
420	#endif	704	#endif
421	}	705	}
422		706
423	#ifdef UTMP_SUPPORT	707	#ifdef UTMP_SUPPORT
424	/* EXTPROTO */
425	void	708	void
426	rxvt_privileged_utmp(pR_ char action)	709	rxvt_term::privileged_utmp (rxvt_privaction action)
427	{	710	{
428	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",	711	if (OPTION (Opt_utmpInhibit)
429	action, R->next_utmp_action, getpid()));	712	|| !pty.name || !*pty.name)
430	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
431	|| (R->Options & Opt_utmpInhibit)
432	|| R->ttydev == NULL || *R->ttydev == '\0')
433	return;	713	return;
434		714
435	rxvt_privileges(aR_ RESTORE);	715	rxvt_privileges (RESTORE);
		716
436	if (action == SAVE) {	717	if (action == SAVE)
437	R->next_utmp_action = RESTORE;	718	makeutent (pty.name, rs[Rs_display_name]);
438	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	719	else
439	} else { /* action == RESTORE */	720	cleanutent ();
440	R->next_utmp_action = IGNORE;	721
441	rxvt_cleanutent(aR);
442	}
443	rxvt_privileges(aR_ IGNORE);	722	rxvt_privileges (IGNORE);
444	}
445	#endif
446
447	#ifndef NO_SETOWNER_TTYDEV
448	/* EXTPROTO */
449	void
450	rxvt_privileged_ttydev(pR_ char action)
451	{
452	D_MAIN((stderr,
453	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
454	action, R->next_tty_action, getpid()));
455	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
456	|| R->ttydev == NULL || *R->ttydev == '\0')
457	return;
458
459	rxvt_privileges(aR_ RESTORE);
460
461	if (action == SAVE) {
462	R->next_tty_action = RESTORE;
463	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
464	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
465	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
466	R->next_tty_action = IGNORE;
467	else
468	# endif
469	{
470	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
471	chmod(R->ttydev, R->ttymode);
472	# ifdef HAVE_REVOKE
473	revoke(R->ttydev);
474	# endif
475	}
476	} else { /* action == RESTORE */
477	R->next_tty_action = IGNORE;
478	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
479	chmod(R->ttydev, R->ttyfd_stat.st_mode);
480	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
481	# else
482	chmod(R->ttydev,
483	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
484	chown(R->ttydev, 0, 0);
485	# endif
486	}
487
488	rxvt_privileges(aR_ IGNORE);
489
490	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
491	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
492	action == RESTORE ? "Restoring" : (action ==
493	SAVE ? "Saving" :
494	"UNKNOWN ERROR for"), R->ttydev,
495	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
496	R->ttyfd_stat.st_gid));
497	# endif
498	}	723	}
499	#endif	724	#endif
500		725
501	/*----------------------------------------------------------------------*/	726	/*----------------------------------------------------------------------*/
502	/*	727	/*
503	* window size/position calculcations for XSizeHint and other storage.	728	* window size/position calculcations for XSizeHint and other storage.
504	* if width/height are non-zero then override calculated width/height	729	* if width/height are non-zero then override calculated width/height
505	*/	730	*/
506	/* EXTPROTO */
507	void	731	void
508	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	732	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
509	{	733	{
510	short recalc_x, recalc_y;	734	short recalc_x, recalc_y;
511	int x, y, sb_w, mb_h, flags;	735	int x, y, sb_w, mb_h, flags;
512	unsigned int w, h;	736	unsigned int w, h;
513	unsigned int max_width, max_height;	737	unsigned int max_width, max_height;
		738	dDisp;
514		739
515	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",
516	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	741	ncol, nrow, szHint.width, szHint.height));
517	R->szHint.height));	742
518	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	743	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
519	R->szHint.win_gravity = NorthWestGravity;	744	szHint.win_gravity = NorthWestGravity;
520	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	745	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
521		746
522	recalc_x = recalc_y = 0;	747	recalc_x = recalc_y = 0;
523	flags = 0;	748	flags = 0;
		749
524	if (!R->parsed_geometry) {	750	if (!parsed_geometry)
		751	{
525	R->parsed_geometry = 1;	752	parsed_geometry = 1;
		753
526	if (R->rs[Rs_geometry])	754	if (rs[Rs_geometry])
527	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	755	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		756
528	if (flags & WidthValue) {	757	if (flags & WidthValue)
529	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	758	{
		759	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
530	R->szHint.flags |= USSize;	760	szHint.flags |= USSize;
531	}	761	}
		762
532	if (flags & HeightValue) {	763	if (flags & HeightValue)
533	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	764	{
		765	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
534	R->szHint.flags |= USSize;	766	szHint.flags |= USSize;
535	}	767	}
		768
536	if (flags & XValue) {	769	if (flags & XValue)
		770	{
537	R->szHint.x = x;	771	szHint.x = x;
538	R->szHint.flags |= USPosition;	772	szHint.flags |= USPosition;
		773
539	if (flags & XNegative) {	774	if (flags & XNegative)
		775	{
540	recalc_x = 1;	776	recalc_x = 1;
541	R->szHint.win_gravity = NorthEastGravity;	777	szHint.win_gravity = NorthEastGravity;
542	}	778	}
543	}	779	}
		780
544	if (flags & YValue) {	781	if (flags & YValue)
		782	{
545	R->szHint.y = y;	783	szHint.y = y;
546	R->szHint.flags |= USPosition;	784	szHint.flags |= USPosition;
		785
547	if (flags & YNegative) {	786	if (flags & YNegative)
		787	{
548	recalc_y = 1;	788	recalc_y = 1;
		789
549	if (R->szHint.win_gravity == NorthEastGravity)	790	if (szHint.win_gravity == NorthEastGravity)
550	R->szHint.win_gravity = SouthEastGravity;	791	szHint.win_gravity = SouthEastGravity;
551	else	792	else
552	R->szHint.win_gravity = SouthWestGravity;	793	szHint.win_gravity = SouthWestGravity;
553	}	794	}
554	}	795	}
555	}	796	}
		797
556	/* TODO: BOUNDS */	798	/* TODO: BOUNDS */
557	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	799	width = ncol * fwidth;
558	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	800	height = nrow * fheight;
559	max_width = MAX_COLS * R->TermWin.fwidth;	801	max_width = MAX_COLS * fwidth;
560	max_height = MAX_ROWS * R->TermWin.fheight;	802	max_height = MAX_ROWS * fheight;
561		803
562	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	804	szHint.base_width = szHint.base_height = 2 * int_bwidth;
563		805
564	sb_w = mb_h = 0;	806	sb_w = mb_h = 0;
565	R->window_vt_x = R->window_vt_y = 0;	807	window_vt_x = window_vt_y = int_bwidth;
		808
566	if (scrollbar_visible(R)) {	809	if (scrollbar_visible ())
		810	{
567	sb_w = scrollbar_TotalWidth();	811	sb_w = scrollbar_TotalWidth ();
568	R->szHint.base_width += sb_w;	812	szHint.base_width += sb_w;
569	if (!(R->Options & Opt_scrollBar_right))	813	if (!OPTION (Opt_scrollBar_right))
570	R->window_vt_x = sb_w;	814	window_vt_x += sb_w;
571	}	815	}
		816
572	if (menubar_visible(R)) {	817	if (menubar_visible ())
		818	{
573	mb_h = menuBar_TotalHeight();	819	mb_h = menuBar_TotalHeight ();
574	R->szHint.base_height += mb_h;	820	szHint.base_height += mb_h;
575	R->window_vt_y = mb_h;	821	window_vt_y += mb_h;
576	}	822	}
		823
577	R->szHint.width_inc = R->TermWin.fwidth;	824	szHint.width_inc = fwidth;
578	R->szHint.height_inc = R->TermWin.fheight;	825	szHint.height_inc = fheight;
579	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	826	szHint.min_width = szHint.base_width + szHint.width_inc;
580	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	827	szHint.min_height = szHint.base_height + szHint.height_inc;
581		828
582	if (width && width - R->szHint.base_width < max_width) {	829	if (newwidth && newwidth - szHint.base_width < max_width)
		830	{
583	R->szHint.width = width;	831	szHint.width = newwidth;
584	R->TermWin.width = width - R->szHint.base_width;	832	width = newwidth - szHint.base_width;
585	} else {	833	}
586	MIN_IT(R->TermWin.width, max_width);	834	else
		835	{
		836	min_it (width, max_width);
587	R->szHint.width = R->szHint.base_width + R->TermWin.width;	837	szHint.width = szHint.base_width + width;
588	}	838	}
		839
589	if (height && height - R->szHint.base_height < max_height) {	840	if (newheight && newheight - szHint.base_height < max_height)
		841	{
590	R->szHint.height = height;	842	szHint.height = newheight;
591	R->TermWin.height = height - R->szHint.base_height;	843	height = newheight - szHint.base_height;
592	} else {	844	}
593	MIN_IT(R->TermWin.height, max_height);	845	else
		846	{
		847	min_it (height, max_height);
594	R->szHint.height = R->szHint.base_height + R->TermWin.height;	848	szHint.height = szHint.base_height + height;
595	}	849	}
		850
596	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	851	if (scrollbar_visible () && OPTION (Opt_scrollBar_right))
597	R->window_sb_x = R->szHint.width - sb_w;	852	window_sb_x = szHint.width - sb_w;
598		853
599	if (recalc_x)	854	if (recalc_x)
600	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	855	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
601	- R->szHint.width - 2 * R->TermWin.ext_bwidth);
602	if (recalc_y)	856	if (recalc_y)
603	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	857	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
604	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
605		858
606	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	859	ncol = width / fwidth;
607	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	860	nrow = height / fheight;
608	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",
609	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	862	ncol, nrow, szHint.width,
610	R->szHint.height));	863	szHint.height));
611	return;	864	return;
612	}	865	}
613		866
614	/*----------------------------------------------------------------------*/	867	/*----------------------------------------------------------------------*/
615	/*	868	/*
616	* Tell the teletype handler what size the window is.	869	* Tell the teletype handler what size the window is.
617	* Called after a window size change.	870	* Called after a window size change.
618	*/	871	*/
619	void	872	void
620	rxvt_term::tt_winch ()	873	rxvt_term::tt_winch ()
621	{	874	{
622	struct winsize ws;	875	if (pty.pty < 0)
623
624	if (cmd_fd < 0)
625	return;	876	return;
626		877
		878	struct winsize ws;
		879
627	ws.ws_col = TermWin.ncol;	880	ws.ws_col = ncol;
628	ws.ws_row = TermWin.nrow;	881	ws.ws_row = nrow;
629	ws.ws_xpixel = ws.ws_ypixel = 0;	882	ws.ws_xpixel = width;
630	#ifndef DEBUG_SIZE	883	ws.ws_ypixel = height;
631	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	884	(void)ioctl (pty.pty, TIOCSWINSZ, &ws);
632	#else	885
633	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	886	#if 0
634	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	887	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
635	# ifdef SIGWINCH
636	else if (cmd_pid) /* force through to the command */	888	if (cmd_pid) /* force through to the command */
637	kill (cmd_pid, SIGWINCH);	889	kill (-cmd_pid, SIGWINCH);
638	# endif
639	#endif	890	#endif
640	}	891	}
641		892
642	/*----------------------------------------------------------------------*/	893	/*----------------------------------------------------------------------*/
643	/* rxvt_change_font() - Switch to a new font */	894	/* set_fonts () - load and set the various fonts
644	/*	895	*
645	* init = 1 - initialize	896	* init = 1 - initialize
646	*	897	*
647	* fontname == FONT_UP - switch to bigger font	898	* fontname == FONT_UP - switch to bigger font
648	* fontname == FONT_DN - switch to smaller font	899	* fontname == FONT_DN - switch to smaller font
649	*/	900	*/
650	/* EXTPROTO */	901	bool
651	void	902	rxvt_term::set_fonts ()
652	rxvt_change_font(pR_ int init, const char *fontname)
653	{	903	{
654	}	904	rxvt_fontset *fs = new rxvt_fontset (this);
		905	rxvt_fontprop prop;
655		906
656	/* INTPROTO */	907	if (!fs
657	void	908	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
658	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)
659	{	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);
660	}	990	}
661		991
662	/*----------------------------------------------------------------------*/	992	/*----------------------------------------------------------------------*/
663	/*----------------------------------------------------------------------*/	993	/*----------------------------------------------------------------------*/
664	/* xterm sequences - title, iconName, color (exptl) */	994	/* xterm sequences - title, iconName, color (exptl) */
665	/* EXTPROTO */
666	void	995	void
667	rxvt_set_title(pR_ const char *str)	996	rxvt_term::set_title (const char *str)
668	{	997	{
669	#ifndef SMART_WINDOW_TITLE	998	set_string_property (XA_WM_NAME, str);
670	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	999	#if ENABLE_EWMH
		1000	set_utf8_property (xa[XA_NET_WM_NAME], str);
		1001	#endif
		1002	}
		1003
		1004	void
		1005	rxvt_term::set_icon_name (const char *str)
		1006	{
		1007	set_string_property (XA_WM_ICON_NAME, str);
		1008	#if ENABLE_EWMH
		1009	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		1010	#endif
		1011	}
		1012
		1013	#ifdef XTERM_COLOR_CHANGE
		1014	void
		1015	rxvt_term::set_window_color (int idx, const char *color)
		1016	{
		1017	rxvt_color xcol;
		1018	int i;
		1019
		1020	if (color == NULL || *color == '\0')
		1021	return;
		1022
		1023	/* handle color aliases */
		1024	if (isdigit (*color))
		1025	{
		1026	i = atoi (color);
		1027
		1028	if (i >= 8 && i <= 15)
		1029	{ /* bright colors */
		1030	i -= 8;
		1031	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		1032	SET_PIXCOLOR (idx);
		1033	goto done;
		1034	}
		1035
		1036	if (i >= 0 && i <= 7)
		1037	{ /* normal colors */
		1038	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		1039	SET_PIXCOLOR (idx);
		1040	goto done;
		1041	}
		1042	}
		1043
		1044	if (!rXParseAllocColor (&xcol, color))
		1045	return;
		1046
		1047	/* XStoreColor (display->display, display->cmap, XColor*); */
		1048
		1049	/*
		1050	* FIXME: should free colors here, but no idea how to do it so instead,
		1051	* so just keep gobbling up the colormap
		1052	*/
		1053	# if 0
		1054	for (i = Color_Black; i <= Color_White; i++)
		1055	if (pix_colors[idx] == pix_colors[i])
		1056	break;
		1057	if (i > Color_White)
		1058	{
		1059	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		1060	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		1061	DisplayPlanes (display->display, display->screen));
		1062	}
		1063	# endif
		1064
		1065	pix_colors_focused[idx] = xcol;
		1066	SET_PIXCOLOR (idx);
		1067
		1068	/* XSetWindowAttributes attr; */
		1069	/* Cursor cursor; */
		1070	done:
		1071
		1072	#if OFF_FOCUS_FADING
		1073	if (rs[Rs_fade])
		1074	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		1075	#endif
		1076
		1077	/*TODO: handle Color_BD, scrollbar background, etc. */
		1078
		1079	recolour_cursor ();
		1080	scr_recolour ();
		1081	}
		1082
671	#else	1083	#else
672	char *name;
673
674	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
675	name = NULL;
676	if (name == NULL || STRCMP(name, str))
677	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
678	if (name)
679	XFree(name);
680	#endif
681	}
682
683	/* EXTPROTO */
684	void
685	rxvt_set_iconName(pR_ const char *str)
686	{
687	#ifndef SMART_WINDOW_TITLE
688	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
689	#else
690	char *name;
691
692	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
693	name = NULL;
694	if (name == NULL || STRCMP(name, str))
695	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
696	if (name)
697	XFree(name);
698	#endif
699	}
700
701	#ifdef XTERM_COLOR_CHANGE
702	/* EXTPROTO */
703	void
704	rxvt_set_window_color(pR_ int idx, const char *color)
705	{
706	rxvt_color xcol;
707	int i;
708
709	if (color == NULL || *color == '\0')
710	return;
711
712	/* handle color aliases */
713	if (isdigit(*color)) {
714	i = atoi(color);
715	if (i >= 8 && i <= 15) { /* bright colors */
716	i -= 8;
717	# ifndef NO_BRIGHTCOLOR
718	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
719	SET_PIXCOLOR(R, idx);
720	goto Done;
721	# endif
722	}
723	if (i >= 0 && i <= 7) { /* normal colors */
724	R->PixColors[idx] = R->PixColors[minCOLOR + i];
725	SET_PIXCOLOR(R, idx);
726	goto Done;
727	}
728	}
729	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
730	return;
731	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
732
733	/*
734	* FIXME: should free colors here, but no idea how to do it so instead,
735	* so just keep gobbling up the colormap
736	*/
737	# if 0
738	for (i = Color_Black; i <= Color_White; i++)
739	if (R->PixColors[idx] == R->PixColors[i])
740	break;
741	if (i > Color_White) {
742	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
743	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
744	DisplayPlanes(R->Xdisplay, Xscreen));
745	}
746	# endif
747
748	R->PixColors[idx] = xcol;
749	SET_PIXCOLOR(R, idx);
750
751	/* XSetWindowAttributes attr; */
752	/* Cursor cursor; */
753	Done:
754	if (idx == Color_bg && !(R->Options & Opt_transparent))
755	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
756	R->PixColors[Color_bg]);
757
758	/* handle Color_BD, scrollbar background, etc. */
759
760	rxvt_set_colorfgbg(aR);
761	rxvt_recolour_cursor(aR);
762	/* the only reasonable way to enforce a clean update */
763	rxvt_scr_poweron(aR);
764	}
765
766	#else
767	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	1084	# define set_window_color (idx,color) ((void)0)
768	#endif /* XTERM_COLOR_CHANGE */	1085	#endif /* XTERM_COLOR_CHANGE */
769		1086
770	/* EXTPROTO */
771	void	1087	void
772	rxvt_recolour_cursor(pR)	1088	rxvt_term::recolour_cursor ()
773	{	1089	{
774	rxvt_color xcol[2];	1090	XColor xcol[2];
775		1091
776	#if TODO	1092	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
777	xcol[0] = R->PixColors[Color_pointer];	1093	? pix_colors_focused[Color_pointer_fg]
778	xcol[1] = R->PixColors[Color_bg];	1094	: pix_colors_focused[Color_fg];
779	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	1095	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1096	? pix_colors_focused[Color_pointer_bg]
		1097	: pix_colors_focused[Color_bg];
		1098
		1099	XQueryColors (display->display, display->cmap, xcol, 2);
780	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1100	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
781	#endif
782	}	1101	}
783		1102
784	/*----------------------------------------------------------------------*/	1103	/*----------------------------------------------------------------------*/
785	/*	1104	/*
786	* find if fg/bg matches any of the normal (low-intensity) colors	1105	* find if fg/bg matches any of the normal (low-intensity) colors
787	*/	1106	*/
788	/* INTPROTO */
789	void	1107	void
790	rxvt_set_colorfgbg(pR)	1108	rxvt_term::set_colorfgbg ()
791	{	1109	{
792	unsigned int i;	1110	unsigned int i;
793	const char *xpmb = "\0";	1111	const char *xpmb = "\0";
794	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1112	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
795		1113
796	R->env_colorfgbg =
797	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1114	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
798	STRCPY(fstr, "default");	1115	strcpy (fstr, "default");
799	STRCPY(bstr, "default");	1116	strcpy (bstr, "default");
800	for (i = Color_Black; i <= Color_White; i++)	1117	for (i = Color_Black; i <= Color_White; i++)
801	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1118	if (pix_colors[Color_fg] == pix_colors[i])
		1119	{
802	sprintf(fstr, "%d", (i - Color_Black));	1120	sprintf (fstr, "%d", (i - Color_Black));
803	break;	1121	break;
804	}	1122	}
		1123
805	for (i = Color_Black; i <= Color_White; i++)	1124	for (i = Color_Black; i <= Color_White; i++)
806	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1125	if (pix_colors[Color_bg] == pix_colors[i])
		1126	{
807	sprintf(bstr, "%d", (i - Color_Black));	1127	sprintf (bstr, "%d", (i - Color_Black));
808	#ifdef XPM_BACKGROUND	1128	#ifdef XPM_BACKGROUND
809	xpmb = "default;";	1129	xpmb = "default;";
810	#endif	1130	#endif
811	break;	1131	break;
812	}	1132	}
		1133
813	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1134	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
814	putenv(R->env_colorfgbg);
815
816	#ifndef NO_BRIGHTCOLOR
817	R->colorfgbg = DEFAULT_RSTYLE;
818	for (i = minCOLOR; i <= maxCOLOR; i++) {
819	if (R->PixColors[Color_fg] == R->PixColors[i])
820	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
821	if (R->PixColors[Color_bg] == R->PixColors[i])
822	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
823	}
824	#endif
825	}	1135	}
826		1136
827	/*----------------------------------------------------------------------*/	1137	/*----------------------------------------------------------------------*/
828	/*
829	* Colour determination for low colour displays, routine from
830	* Hans de Goede <hans@highrise.nl>
831	*/
832		1138
833	/* EXTPROTO */
834	int	1139	int
835	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1140	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
836	{	1141	{
837	screen_in_out->set(aR_ colour);
838
839	if (!screen_in_out->set(aR_ colour)) {	1142	if (!screen_in_out->set (display, colour))
840	rxvt_print_error("can't allocate colour: %s", colour);	1143	{
		1144	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
841	return false;	1145	return false;
842	}	1146	}
843		1147
844	return true;	1148	return true;
845	}	1149	}
846		1150
847	/* -------------------------------------------------------------------- *	1151	/* -------------------------------------------------------------------- *
848	* - WINDOW RESIZING - *	1152	* - WINDOW RESIZING - *
849	* -------------------------------------------------------------------- */	1153	* -------------------------------------------------------------------- */
850	/* EXTPROTO */
851	void	1154	void
852	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1155	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
853	int ignoreparent)
854	{	1156	{
855	int fix_screen;	1157	int fix_screen;
		1158	int old_width = szHint.width, old_height = szHint.height;
		1159	dDisp;
856		1160
		1161	window_calc (newwidth, newheight);
		1162	XSetWMNormalHints (disp, parent[0], &szHint);
		1163
		1164	if (!ignoreparent)
		1165	{
857	#ifdef SMART_RESIZE	1166	#ifdef SMART_RESIZE
858	int old_width = R->szHint.width, old_height = R->szHint.height;	1167	/*
859	#endif
860
861	rxvt_window_calc(aR_ width, height);
862	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
863	if (!ignoreparent) {
864	#ifdef SMART_RESIZE
865	/*
866	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1168	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
867	* reposition window on resize depending on placement on screen	1169	* reposition window on resize depending on placement on screen
868	*/	1170	*/
869	int x, y, x1, y1;	1171	int x, y, x1, y1;
870	int dx, dy;	1172	int dx, dy;
871	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1173	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
872	Window unused_cr;	1174	Window unused_cr;
873		1175
874	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1176	XTranslateCoordinates (disp, parent[0], display->root,
875	0, 0, &x, &y, &unused_cr);	1177	0, 0, &x, &y, &unused_cr);
876	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1178	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
877	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1179	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
878	/*	1180	/*
879	* if Xroot isn't the parent window, a WM will probably have offset	1181	* if display->root isn't the parent window, a WM will probably have offset
880	* our position for handles and decorations. Counter it	1182	* our position for handles and decorations. Counter it
881	*/	1183	*/
882	if (x1 != x || y1 != y) {	1184	if (x1 != x || y1 != y)
		1185	{
883	x -= x1;	1186	x -= x1;
884	y -= y1;	1187	y -= y1;
885	}	1188	}
886		1189
887	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1190	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
888	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1191	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
889	dx = old_width - R->szHint.width;	1192	dx = old_width - szHint.width;
890	dy = old_height - R->szHint.height;	1193	dy = old_height - szHint.height;
891		1194
892	/* Check position of the center of the window */	1195	/* Check position of the center of the window */
893	if (x < x1) /* left half */	1196	if (x < x1) /* left half */
894	dx = 0;	1197	dx = 0;
895	else if (x == x1) /* exact center */	1198	else if (x == x1) /* exact center */
896	dx /= 2;	1199	dx /= 2;
897	if (y < y1) /* top half */	1200	if (y < y1) /* top half */
898	dy = 0;	1201	dy = 0;
899	else if (y == y1) /* exact center */	1202	else if (y == y1) /* exact center */
900	dy /= 2;	1203	dy /= 2;
901		1204
902	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1205	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
903	R->szHint.width, R->szHint.height);	1206	szHint.width, szHint.height);
904	#else	1207	#else
905	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1208	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
906	R->szHint.height);
907	#endif	1209	#endif
908	}	1210	}
909		1211
910	fix_screen = (R->TermWin.ncol != R->prev_ncol	1212	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
911	|| R->TermWin.nrow != R->prev_nrow);	1213
912	if (fix_screen || width != R->old_width || height != R->old_height) {	1214	if (fix_screen || newwidth != old_width || newheight != old_height)
		1215	{
913	if (scrollbar_visible(R)) {	1216	if (scrollbar_visible ())
		1217	{
914	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1218	XMoveResizeWindow (disp, scrollBar.win,
		1219	window_sb_x, 0,
915	0, scrollbar_TotalWidth(), R->szHint.height);	1220	scrollbar_TotalWidth (), szHint.height);
916	rxvt_Resize_scrollBar(aR);	1221	resize_scrollbar ();
917	}	1222	}
		1223
918	if (menubar_visible(R))	1224	if (menubar_visible ())
919	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1225	XMoveResizeWindow (disp, menuBar.win,
		1226	window_vt_x, 0,
920	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1227	width, menuBar_TotalHeight ());
921	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,	1228
922	R->window_vt_y, TermWin_TotalWidth(),	1229	XMoveResizeWindow (disp, vt,
		1230	window_vt_x, window_vt_y,
923	TermWin_TotalHeight());	1231	width, height);
924	#ifdef RXVT_GRAPHICS	1232
925	if (R->old_height)
926	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
927	R->old_height - R->szHint.base_height);
928	#endif
929	rxvt_scr_clear(aR);	1233	scr_clear ();
930	#ifdef XPM_BACKGROUND	1234	#ifdef XPM_BACKGROUND
931	rxvt_resize_pixmap(aR);	1235	resize_pixmap ();
932	#endif	1236	#endif
933	}	1237	}
934		1238
935	if (fix_screen || R->old_height == 0) {	1239	if (fix_screen || old_height == 0)
		1240	{
936	int curr_screen = -1;	1241	int curr_screen = -1;
937	uint16_t old_ncol = R->prev_ncol;	1242	int old_ncol = prev_ncol;
938		1243
939	/* scr_reset only works on the primary screen */	1244	/* scr_reset only works on the primary screen */
940	if (R->old_height) /* this is not the first time through */	1245	if (old_height) /* this is not the first time through */
		1246	{
		1247	unsigned int ocol = ncol;
		1248	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
941	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1249	curr_screen = scr_change_screen (PRIMARY);
942	rxvt_scr_reset(aR);	1250	ncol = ocol;
943	if (curr_screen >= 0) { /* this is not the first time through */
944	rxvt_scr_change_screen(aR_ curr_screen);
945	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
946	}	1251	}
947	}
948		1252
		1253	scr_reset ();
		1254
		1255	if (curr_screen >= 0) /* this is not the first time through */
		1256	{
		1257	scr_change_screen (curr_screen);
		1258	selection_check (old_ncol != ncol ? 4 : 0);
		1259	}
		1260	}
		1261
949	R->old_width = R->szHint.width;	1262	old_width = szHint.width;
950	R->old_height = R->szHint.height;	1263	old_height = szHint.height;
		1264
		1265	#ifdef XPM_BACKGROUND
		1266	if (pixmap)
		1267	scr_touch (false);
		1268	#endif
951		1269
952	#ifdef USE_XIM	1270	#ifdef USE_XIM
953	rxvt_IMSetStatusPosition(aR);	1271	IMSetStatusPosition ();
954	#endif	1272	#endif
955	}	1273	}
956		1274
957	/*	1275	/*
958	* Set the width/height of the vt window in characters. Units are pixels.	1276	* Set the width/height of the vt window in characters. Units are pixels.
959	* good for toggling 80/132 columns	1277	* good for toggling 80/132 columns
960	*/	1278	*/
961	/* EXTPROTO */
962	void	1279	void
963	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1280	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
964	{	1281	{
965	XWindowAttributes wattr;	1282	XWindowAttributes wattr;
966		1283
967	if (width == 0 || height == 0) {	1284	if (newwidth == 0 || newheight == 0)
		1285	{
968	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1286	XGetWindowAttributes (display->display, display->root, &wattr);
		1287
969	if (width == 0)	1288	if (newwidth == 0)
970	width = wattr.width - R->szHint.base_width;	1289	newwidth = wattr.width - szHint.base_width;
971	if (height == 0)	1290	if (newheight == 0)
972	height = wattr.height - R->szHint.base_height;	1291	newheight = wattr.height - szHint.base_height;
		1292	}
		1293
		1294	if (newwidth != width || newheight != height)
973	}	1295	{
974	if (width != R->TermWin.width || height != R->TermWin.height) {
975	width += R->szHint.base_width;	1296	newwidth += szHint.base_width;
976	height += R->szHint.base_height;	1297	newheight += szHint.base_height;
977	rxvt_resize_all_windows(aR_ width, height, 0);	1298	resize_all_windows (newwidth, newheight, 0);
978	}	1299	}
979	}	1300	}
980		1301
981	/* -------------------------------------------------------------------- *	1302	/* -------------------------------------------------------------------- *
982	* - X INPUT METHOD ROUTINES - *	1303	* - X INPUT METHOD ROUTINES - *
983	* -------------------------------------------------------------------- */	1304	* -------------------------------------------------------------------- */
984	#ifdef USE_XIM	1305	#ifdef USE_XIM
985	/* INTPROTO */
986	void
987	rxvt_setSize(pR_ XRectangle * size)
988	{
989	size->x = R->TermWin.int_bwidth;
990	size->y = R->TermWin.int_bwidth;
991	size->width = Width2Pixel(R->TermWin.ncol);
992	size->height = Height2Pixel(R->TermWin.nrow);
993	}
994		1306
995	/* INTPROTO */
996	void	1307	void
997	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1308	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
998	{	1309	{
999	*fg = R->PixColors[Color_fg];	1310	fg = pix_colors[Color_fg];
1000	*bg = R->PixColors[Color_bg];	1311	bg = pix_colors[Color_bg];
		1312	}
		1313
		1314	void
		1315	rxvt_term::im_set_size (XRectangle &size)
		1316	{
		1317	// the int_bwidth terms make no sense to me
		1318	size.x = int_bwidth;
		1319	size.y = int_bwidth;
		1320	size.width = Width2Pixel (ncol) + int_bwidth;
		1321	size.height = Height2Pixel (nrow) + int_bwidth;
		1322	}
		1323
		1324	void
		1325	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1326	XRectangle &status_rect,
		1327	const XRectangle &needed_rect)
		1328	{
		1329	preedit_rect.x = needed_rect.width;
		1330	preedit_rect.y = 0;
		1331	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1332	preedit_rect.height = fheight;
		1333
		1334	status_rect.x = 0;
		1335	status_rect.y = 0;
		1336	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1337	status_rect.height = fheight;
1001	}	1338	}
1002		1339
1003	/* Checking whether input method is running. */	1340	/* Checking whether input method is running. */
1004	/* INTPROTO */
1005	Bool	1341	bool
1006	rxvt_IMisRunning(pR)	1342	rxvt_term::IMisRunning ()
1007	{	1343	{
1008	char *p;	1344	char *p;
1009	Atom atom;	1345	Atom atom;
1010	Window win;	1346	Window win;
1011	char server[IMBUFSIZ];	1347	char server[IMBUFSIZ];
1012		1348
1013	/* get current locale modifier */	1349	/* get current locale modifier */
1014	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1350	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1351	{
1015	STRCPY(server, "@server=");	1352	strcpy (server, "@server=");
1016	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1353	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1354
1017	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1355	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1018	*p = '\0';	1356	*p = '\0';
1019		1357
1020	atom = XInternAtom(R->Xdisplay, server, False);	1358	atom = XInternAtom (display->display, server, False);
1021	win = XGetSelectionOwner(R->Xdisplay, atom);	1359	win = XGetSelectionOwner (display->display, atom);
		1360
1022	if (win != None)	1361	if (win != None)
1023	return True;	1362	return True;
1024	}	1363	}
		1364
1025	return False;	1365	return False;
1026	}	1366	}
1027		1367
1028	/* EXTPROTO */
1029	void	1368	void
1030	rxvt_IMSendSpot(pR)	1369	rxvt_term::IMSendSpot ()
1031	{	1370	{
1032	XPoint spot;	1371	XPoint nspot;
1033	XVaNestedList preedit_attr;	1372	XVaNestedList preedit_attr;
1034		1373
1035	if (R->Input_Context == NULL	1374	if (!Input_Context
		1375	|| !focus
1036	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1376	|| !(input_style & XIMPreeditPosition))
1037	|| !(R->event_type == KeyPress
1038	|| R->event_type == Expose
1039	|| R->event_type == NoExpose
1040	|| R->event_type == SelectionNotify
1041	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1042	|| !rxvt_IMisRunning(aR))
1043	return;	1377	return;
1044		1378
1045	rxvt_setPosition(aR_ & spot);	1379	im_set_position (nspot);
1046		1380
		1381	if (nspot.x == spot.x && nspot.y == spot.y)
		1382	return;
		1383
		1384	spot = nspot;
		1385
1047	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1386	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1048	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1387	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1049	XFree(preedit_attr);	1388	XFree (preedit_attr);
1050	}	1389	}
1051		1390
1052	/* EXTPROTO */
1053	void	1391	void
1054	rxvt_setTermFontSet(pR_ int idx)	1392	rxvt_term::im_destroy ()
1055	{	1393	{
1056	char *string;	1394	if (input_method)
1057	long length;
1058	int success = 0;
1059
1060	if (idx < 0 || idx >= MAX_NFONTS)
1061	return;
1062	}
1063
1064	/* INTPROTO */
1065	void
1066	rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1067	XRectangle * needed_rect)
1068	{
1069	int mbh, vtx = 0;
1070
1071	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1072	vtx = scrollbar_TotalWidth();
1073	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1074	mbh -= R->TermWin.lineSpace;
1075
1076	preedit_rect->x = needed_rect->width + vtx;
1077	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1078
1079	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1080	+ vtx;
1081	preedit_rect->height = Height2Pixel(1);
1082
1083	status_rect->x = vtx;
1084	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1085
1086	status_rect->width = needed_rect->width ? needed_rect->width
1087	: Width2Pixel(R->TermWin.ncol + 1);
1088	status_rect->height = Height2Pixel(1);
1089	}
1090
1091	/* ARGSUSED */
1092	/* INTPROTO */
1093	void
1094	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1095	__attribute__ ((unused)), XPointer call_data
1096	__attribute__ ((unused)))
1097	{
1098	dR;
1099
1100	R->Input_Context = NULL;
1101	/* To avoid Segmentation Fault in C locale: Solaris only? */
1102	if (STRCMP(R->locale, "C"))
1103	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1104	rxvt_IMInstantiateCallback, NULL);
1105	}
1106
1107	/*
1108	* X manual pages and include files don't match on some systems:
1109	* some think this is an XIDProc and others an XIMProc so we can't
1110	* use the first argument - need to update this to be nice for
1111	* both types via some sort of configure detection
1112	*/
1113	/* ARGSUSED */
1114	/* EXTPROTO */
1115	void
1116	rxvt_IMInstantiateCallback(Display * unused
1117	__attribute__ ((unused)), XPointer client_data
1118	__attribute__ ((unused)), XPointer call_data
1119	__attribute__ ((unused)))
1120	{
1121	dR;
1122	int i, found, had_im;
1123	const char *p;
1124	char **s;
1125	char buf[IMBUFSIZ];
1126
1127	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1128	if (R->Input_Context)
1129	return;
1130
1131	found = had_im = 0;
1132	p = R->rs[Rs_inputMethod];
1133	if (p && *p) {
1134	had_im = 1;
1135	s = rxvt_splitcommastring(p);
1136	for (i = 0; s[i]; i++) {
1137	if (*s[i]) {
1138	STRCPY(buf, "@im=");
1139	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1140	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1141	&& (rxvt_IM_get_IC(aR) == True)) {
1142	found = 1;
1143	break;
1144	}
1145	}
1146	}
1147	for (i = 0; s[i]; i++)
1148	free(s[i]);
1149	free(s);
1150	}	1395	{
1151	if (found)	1396	if (Input_Context && input_method->xim)
1152	return;	1397	XDestroyIC (Input_Context);
1153		1398
1154	/* try with XMODIFIERS env. var. */	1399	display->put_xim (input_method);
1155	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1400	input_method = 0;
1156	rxvt_IM_get_IC(aR);
1157	return;
1158	}	1401	}
1159		1402
1160	/* try with no modifiers base IF the user didn't specify an IM */	1403	Input_Context = 0;
1161	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1162	&& rxvt_IM_get_IC(aR) == True)
1163	return;
1164	}	1404	}
1165		1405
1166	/*	1406	/*
1167	* Try to open a XIM with the current modifiers, then see if we can	1407	* Try to open a XIM with the current modifiers, then see if we can
1168	* open a suitable preedit type	1408	* open a suitable preedit type
1169	*/	1409	*/
1170	/* INTPROTO */
1171	Bool	1410	bool
1172	rxvt_IM_get_IC(pR)	1411	rxvt_term::IM_get_IC (const char *modifiers)
1173	{	1412	{
1174	int i, j, found;	1413	int i, j, found;
1175	XIM xim;	1414	XIM xim;
1176	XPoint spot;	1415	XPoint spot;
1177	XRectangle rect, status_rect, needed_rect;	1416	XRectangle rect, status_rect, needed_rect;
1178	unsigned long fg, bg;	1417	unsigned long fg, bg;
1179	const char *p;	1418	const char *p;
1180	char **s;	1419	char **s;
1181	XIMStyles *xim_styles;	1420	XIMStyles *xim_styles;
1182	XVaNestedList preedit_attr, status_attr;
1183	XIMCallback ximcallback;
1184		1421
		1422	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1423	return false;
		1424
1185	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1425	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1186	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1426	input_method = display->get_xim (locale, modifiers);
1187	if (xim == NULL)	1427	if (input_method == NULL)
1188	return False;	1428	return false;
1189		1429
		1430	xim = input_method->xim;
		1431	spot.x = spot.y = -1;
		1432
1190	xim_styles = NULL;	1433	xim_styles = NULL;
1191	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1434	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1192	|| !xim_styles || !xim_styles->count_styles) {	1435	|| !xim_styles || !xim_styles->count_styles)
1193	XCloseIM(xim);	1436	{
		1437	im_destroy ();
1194	return False;	1438	return false;
		1439	}
		1440
		1441	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1442
		1443	for (int pi = 0; pi < 2; pi++)
1195	}	1444	{
		1445	p = pet[pi];
1196		1446
1197	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1447	if (!p)
1198	: "OverTheSpot,OffTheSpot,Root";	1448	continue;
		1449
1199	s = rxvt_splitcommastring(p);	1450	s = rxvt_splitcommastring (p);
		1451
1200	for (i = found = 0; !found && s[i]; i++) {	1452	for (i = found = 0; !found && s[i]; i++)
		1453	{
1201	if (!STRCMP(s[i], "OverTheSpot"))	1454	if (!strcmp (s[i], "OverTheSpot"))
1202	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1455	input_style = (XIMPreeditPosition | XIMStatusNothing);
1203	else if (!STRCMP(s[i], "OffTheSpot"))	1456	else if (!strcmp (s[i], "OffTheSpot"))
1204	R->input_style = (XIMPreeditArea | XIMStatusArea);	1457	input_style = (XIMPreeditArea | XIMStatusArea);
1205	else if (!STRCMP(s[i], "Root"))	1458	else if (!strcmp (s[i], "Root"))
1206	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1459	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1460	else if (!strcmp (s[i], "None"))
		1461	input_style = (XIMPreeditNone | XIMStatusNone);
1207		1462
1208	for (j = 0; j < xim_styles->count_styles; j++)	1463	for (j = 0; j < xim_styles->count_styles; j++)
1209	if (R->input_style == xim_styles->supported_styles[j]) {	1464	if (input_style == xim_styles->supported_styles[j])
		1465	{
		1466	rxvt_freecommastring (s);
		1467
1210	found = 1;	1468	found = 1;
		1469	goto foundpet;
		1470	}
		1471
		1472	}
		1473
		1474	rxvt_freecommastring (s);
		1475	}
		1476
		1477	foundpet:
		1478
		1479	XFree (xim_styles);
		1480
		1481	if (!found)
		1482	{
		1483	im_destroy ();
		1484	return false;
		1485	}
		1486
		1487	XFontSet fs = 0;
		1488	XVaNestedList preedit_attr = 0, status_attr = 0;
		1489
		1490	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1491	{
		1492	// fake us a font-set, please
		1493	char **missing_charset_list;
		1494	int missing_charset_count;
		1495	char *def_string;
		1496	char pat[512];
		1497
		1498	sprintf (pat,
		1499	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1500	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1501	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1502	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1503	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1504	"*",
		1505	fheight,
		1506	fheight + 1, fheight - 1,
		1507	fheight - 2, fheight + 2);
		1508
		1509	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1510	&missing_charset_list, &missing_charset_count, &def_string);
		1511
		1512	if (missing_charset_list)
		1513	XFreeStringList (missing_charset_list);
		1514
		1515	if (!fs)
		1516	{
		1517	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1518	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1519	}
		1520	}
		1521
		1522	if (input_style & XIMPreeditPosition)
		1523	{
		1524	im_set_size (rect);
		1525	im_set_position (spot);
		1526	im_set_color (fg, bg);
		1527
		1528	preedit_attr = XVaCreateNestedList (0,
		1529	XNForeground, fg,
		1530	XNBackground, bg,
		1531	XNArea, &rect,
		1532	XNSpotLocation, &spot,
		1533	XNFontSet, fs,
		1534	NULL);
		1535	}
		1536	else if (input_style & XIMPreeditArea)
		1537	{
		1538	im_set_color (fg, bg);
		1539
		1540	/*
		1541	* The necessary width of preedit area is unknown
		1542	* until create input context.
		1543	*/
		1544	needed_rect.width = 0;
		1545	im_set_preedit_area (rect, status_rect, needed_rect);
		1546
		1547	preedit_attr = XVaCreateNestedList (0,
		1548	XNForeground, fg,
		1549	XNBackground, bg,
		1550	XNArea, &rect,
		1551	XNFontSet, fs,
		1552	NULL);
		1553	status_attr = XVaCreateNestedList (0,
		1554	XNForeground, fg,
		1555	XNBackground, bg,
		1556	XNArea, &status_rect,
		1557	XNFontSet, fs,
		1558	NULL);
		1559	}
		1560
		1561	Input_Context = XCreateIC (xim,
		1562	XNInputStyle, input_style,
		1563	XNClientWindow, vt,
		1564	XNFocusWindow, parent[0],
		1565	preedit_attr ? XNPreeditAttributes : NULL,
		1566	preedit_attr,
		1567	status_attr ? XNStatusAttributes : NULL,
		1568	status_attr, NULL);
		1569
		1570	if (preedit_attr) XFree (preedit_attr);
		1571	if (status_attr) XFree (status_attr);
		1572	if (fs) XFreeFontSet (display->display, fs);
		1573
		1574	if (Input_Context == NULL)
		1575	{
		1576	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1577	im_destroy ();
		1578	return false;
		1579	}
		1580
		1581	if (input_style & XIMPreeditArea)
		1582	IMSetStatusPosition ();
		1583
		1584	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
		1585	return true;
		1586	}
		1587
		1588	void
		1589	rxvt_term::im_cb ()
		1590	{
		1591	int i;
		1592	const char *p;
		1593	char **s;
		1594	char buf[IMBUFSIZ];
		1595
		1596	SET_R (this);
		1597
		1598	im_destroy ();
		1599
		1600	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
		1601	if (Input_Context)
		1602	return;
		1603
		1604	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1605	if (rs[Rs_imLocale])
		1606	SET_LOCALE (rs[Rs_imLocale]);
		1607	#endif
		1608
		1609	p = rs[Rs_inputMethod];
		1610	if (p && *p)
		1611	{
		1612	bool found = false;
		1613
		1614	s = rxvt_splitcommastring (p);
		1615
		1616	for (i = 0; s[i]; i++)
		1617	{
		1618	if (*s[i])
		1619	{
		1620	strcpy (buf, "@im=");
		1621	strncat (buf, s[i], IMBUFSIZ - 5);
		1622	if (IM_get_IC (buf))
		1623	{
		1624	found = true;
1211	break;	1625	break;
		1626	}
1212	}	1627	}
1213	}	1628	}
1214	for (i = 0; s[i]; i++)
1215	free(s[i]);
1216	free(s);
1217	XFree(xim_styles);
1218		1629
		1630	rxvt_freecommastring (s);
		1631
1219	if (!found) {	1632	if (found)
1220	XCloseIM(xim);	1633	goto done;
1221	return False;
1222	}	1634	}
1223		1635
1224	ximcallback.callback = rxvt_IMDestroyCallback;	1636	/* try with XMODIFIERS env. var. */
		1637	if (IM_get_IC (""))
		1638	goto done;
1225		1639
1226	/* XXX: not sure why we need this (as well as IC one below) */	1640	/* try with no modifiers base IF the user didn't specify an IM */
1227	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1641	if (IM_get_IC ("@im=none"))
		1642	goto done;
1228		1643
1229	preedit_attr = status_attr = NULL;	1644	done:
1230		1645	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1231	if (R->input_style & XIMPreeditPosition) {	1646	if (rs[Rs_imLocale])
1232	rxvt_setSize(aR_ & rect);	1647	SET_LOCALE (locale);
1233	rxvt_setPosition(aR_ & spot);	1648	#endif
1234	rxvt_setColor(aR_ & fg, &bg);
1235
1236	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1237	XNSpotLocation, &spot,
1238	XNForeground, fg, XNBackground, bg,
1239	//XNFontSet, R->TermWin.fontset,
1240	NULL);
1241	} else if (R->input_style & XIMPreeditArea) {
1242	rxvt_setColor(aR_ & fg, &bg);
1243
1244	/*
1245	* The necessary width of preedit area is unknown
1246	* until create input context.
1247	*/
1248	needed_rect.width = 0;
1249
1250	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1251
1252	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1253	XNForeground, fg, XNBackground, bg,
1254	//XNFontSet, R->TermWin.fontset,
1255	NULL);
1256	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1257	XNForeground, fg, XNBackground, bg,
1258	//XNFontSet, R->TermWin.fontset,
1259	NULL);
1260	}
1261	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1262	XNClientWindow, R->TermWin.parent[0],
1263	XNFocusWindow, R->TermWin.parent[0],
1264	XNDestroyCallback, &ximcallback,
1265	preedit_attr ? XNPreeditAttributes : NULL,
1266	preedit_attr,
1267	status_attr ? XNStatusAttributes : NULL,
1268	status_attr, NULL);
1269	if (preedit_attr)
1270	XFree(preedit_attr);
1271	if (status_attr)
1272	XFree(status_attr);
1273	if (R->Input_Context == NULL) {
1274	rxvt_print_error("failed to create input context");
1275	XCloseIM(xim);
1276	return False;
1277	}
1278	if (R->input_style & XIMPreeditArea)
1279	rxvt_IMSetStatusPosition(aR);
1280	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1281	return True;
1282	}	1649	}
1283		1650
1284	/* EXTPROTO */
1285	void	1651	void
1286	rxvt_IMSetStatusPosition(pR)	1652	rxvt_term::IMSetStatusPosition ()
1287	{	1653	{
1288	XRectangle preedit_rect, status_rect, *needed_rect;	1654	XRectangle preedit_rect, status_rect, *needed_rect;
1289	XVaNestedList preedit_attr, status_attr;	1655	XVaNestedList preedit_attr, status_attr;
1290		1656
1291	if (R->Input_Context == NULL	1657	if (!Input_Context
		1658	|| !focus
1292	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1659	|| !(input_style & XIMPreeditArea)
1293	|| !rxvt_IMisRunning(aR))	1660	|| !IMisRunning ())
1294	return;	1661	return;
1295		1662
1296	/* Getting the necessary width of preedit area */	1663	/* Getting the necessary width of preedit area */
1297	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1664	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1298	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1665	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1299	XFree(status_attr);	1666	XFree (status_attr);
1300		1667
1301	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1668	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1669	XFree (needed_rect);
1302		1670
1303	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1671	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1304	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1672	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1305		1673
1306	XSetICValues(R->Input_Context,	1674	XSetICValues (Input_Context,
1307	XNPreeditAttributes, preedit_attr,	1675	XNPreeditAttributes, preedit_attr,
1308	XNStatusAttributes, status_attr, NULL);	1676	XNStatusAttributes, status_attr, NULL);
1309		1677
1310	XFree(preedit_attr);	1678	XFree (preedit_attr);
1311	XFree(status_attr);	1679	XFree (status_attr);
1312	}	1680	}
1313	#endif /* USE_XIM */	1681	#endif /* USE_XIM */
1314		1682
1315	/*----------------------------------------------------------------------*/	1683	/*----------------------------------------------------------------------*/
1316	rxvt_t rxvt_current_term;	1684	rxvt_t rxvt_current_term;

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