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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.6 by pcg, Tue Nov 25 17:11:33 2003 UTC vs.
Revision 1.191 by root, Fri Jan 20 10:27:08 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.6 2003/11/25 17:11:33 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
37	#include <signal.h>	40	#include <csignal>
		41	#include <cstring>
38		42
39	#ifdef TTY_GID_SUPPORT	43	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	44	# include <grp.h>
41	#endif	45	#endif
42		46
43	#ifdef HAVE_TERMIOS_H	47	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	48	# include <termios.h>
45	#endif	49	#endif
46		50
		51	vector<rxvt_term *> rxvt_term::termlist;
		52
		53	// used to tell global functions which terminal instance is "active"
		54	rxvt_t rxvt_current_term;
		55
		56	static char curlocale[128], savelocale[128];
		57
		58	bool
		59	rxvt_set_locale (const char *locale) NOTHROW
		60	{
		61	if (!locale || !strncmp (locale, curlocale, 128))
		62	return false;
		63
		64	strncpy (curlocale, locale, 128);
		65	setlocale (LC_CTYPE, curlocale);
		66	return true;
		67	}
		68
47	void *	69	void
48	rxvt_term::operator new (size_t s)	70	rxvt_push_locale (const char *locale) NOTHROW
49	{	71	{
50	void *p = malloc (s);	72	strcpy (savelocale, curlocale);
		73	rxvt_set_locale (locale);
		74	}
51		75
52	MEMSET (p, 0, s);	76	void
		77	rxvt_pop_locale () NOTHROW
		78	{
		79	rxvt_set_locale (savelocale);
		80	}
		81
		82	#if ENABLE_COMBINING
		83	class rxvt_composite_vec rxvt_composite;
		84
		85	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		86	{
		87	compose_char *cc;
		88
		89	// break compose chains, as stupid readline really likes to duplicate
		90	// composing characters for some reason near the end of a line.
		91	cc = (*this)[c1];
		92	while (cc)
		93	{
		94	if (cc->c2 == c2) return c1;
		95	cc = (*this)[cc->c1];
		96	}
		97
		98	// check to see wether this combination already exists otherwise
		99	for (cc = v.end (); cc-- > v.begin (); )
		100	{
		101	if (cc->c1 == c1 && cc->c2 == c2)
		102	return COMPOSE_LO + (cc - v.begin ());
		103	}
		104
		105	// allocate a new combination
		106	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		107	{
		108	static int seen;
		109
		110	if (!seen++)
		111	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		112
		113	return REPLACEMENT_CHAR;
		114	}
		115
		116	v.push_back (compose_char (c1, c2));
		117
		118	return v.size () - 1 + COMPOSE_LO;
		119	}
		120
		121	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		122	{
		123	compose_char *cc = (*this)[c];
		124
		125	if (!cc)
		126	{
		127	if (r) *r = c;
		128	return 1;
		129	}
		130
		131	int len = expand (cc->c1, r);
		132
		133	if (r) r += len;
		134
		135	if (cc->c2 != NOCHAR)
		136	{
		137	len++;
		138	if (r) *r++ = cc->c2;
		139	}
		140
53	return p;	141	return len;
54	}
55		142
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	143	}
		144	#endif
61		145
62	rxvt_term::rxvt_term ()	146	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	147	:
		148	#if TRANSPARENT
		149	rootwin_ev (this, &rxvt_term::rootwin_cb),
		150	#endif
		151	#ifdef HAVE_SCROLLBARS
		152	scrollbar_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	child_ev (this, &rxvt_term::child_cb),
		178	check_ev (this, &rxvt_term::check_cb),
		179	flush_ev (this, &rxvt_term::flush_cb),
		180	destroy_ev (this, &rxvt_term::destroy_cb),
		181	pty_ev (this, &rxvt_term::pty_cb),
		182	incr_ev (this, &rxvt_term::incr_cb)
71	{	183	{
72	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	184	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		185
		186	termlist.push_back (this);
		187
		188	#ifdef KEYSYM_RESOURCE
		189	keyboard = new keyboard_manager;
		190	#endif
		191	}
		192
		193	// clean up the most important stuff, do *not* call x or free mem etc.
		194	// for use before an emergency exit
		195	void rxvt_term::emergency_cleanup ()
		196	{
		197	if (cmd_pid)
		198	kill (-cmd_pid, SIGHUP);
		199
		200	delete pty; pty = 0;
73	}	201	}
74		202
75	rxvt_term::~rxvt_term ()	203	rxvt_term::~rxvt_term ()
76	{	204	{
77	delete PixColors;	205	termlist.erase (find (termlist.begin (), termlist.end(), this));
78	}
79		206
80	/*----------------------------------------------------------------------*/	207	emergency_cleanup ();
81	/* rxvt_init() */
82	/* LIBPROTO */
83	rxvt_t
84	rxvt_init(int argc, const char *const *argv)
85	{
86	SET_R(new rxvt_term);
87	dR;
88		208
89	if (!R->init_vars () || !R->init (argc, argv))	209	#if ENABLE_STYLES
90	{	210	for (int i = RS_styleCount; --i; )
91	delete R;	211	if (fontset[i] != fontset[0])
92	return NULL;	212	delete fontset[i];
		213	#endif
		214	delete fontset[0];
		215
		216	if (display)
93	}	217	{
		218	dDisp;
94		219
		220	selection_clear ();
		221
		222	#ifdef USE_XIM
		223	im_destroy ();
		224	#endif
		225	#ifdef XTERM_SCROLLBAR
		226	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
		227	if (ShadowGC) XFreeGC (disp, ShadowGC);
		228	#endif
		229	#ifdef PLAIN_SCROLLBAR
		230	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		231	#endif
		232	#ifdef NEXT_SCROLLBAR
		233	if (blackGC) XFreeGC (disp, blackGC);
		234	if (whiteGC) XFreeGC (disp, whiteGC);
		235	if (grayGC) XFreeGC (disp, grayGC);
		236	if (darkGC) XFreeGC (disp, darkGC);
		237	if (stippleGC) XFreeGC (disp, stippleGC);
		238	if (dimple) XFreePixmap (disp, dimple);
		239	if (upArrow) XFreePixmap (disp, upArrow);
		240	if (downArrow) XFreePixmap (disp, downArrow);
		241	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		242	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		243	#endif
		244	#ifdef RXVT_SCROLLBAR
		245	if (topShadowGC) XFreeGC (disp, topShadowGC);
		246	if (botShadowGC) XFreeGC (disp, botShadowGC);
		247	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		248	#endif
		249	if (gc) XFreeGC (disp, gc);
		250
		251	delete drawable;
		252	// destroy all windows
		253	if (parent[0])
		254	XDestroyWindow (disp, parent[0]);
		255	}
		256
		257	// TODO: free pixcolours, colours should become part of rxvt_display
		258	delete pix_colors_focused;
		259	#if OFF_FOCUS_FADING
		260	delete pix_colors_unfocused;
		261	#endif
		262
		263	displays.put (display);
		264
		265	scr_release ();
		266
		267	/* clear all resources */
		268	for (int i = 0; i < allocated.size (); i++)
		269	free (allocated [i]);
		270
		271	free (selection.text);
		272	// TODO: manage env vars in child only(!)
		273	free (env_windowid);
		274	free (env_display);
		275	free (env_term);
		276	free (env_colorfgbg);
		277	free (locale);
		278	free (v_buffer);
		279	free (incr_buf);
		280
		281	delete envv;
		282	delete argv;
		283
		284	#ifdef KEYSYM_RESOURCE
		285	delete keyboard;
		286	#endif
		287	}
		288
		289	// child has exited, usually destroys
		290	void
		291	rxvt_term::child_cb (child_watcher &w, int status)
		292	{
		293	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		294
		295	cmd_pid = 0;
		296
		297	if (!OPTION (Opt_hold))
		298	destroy ();
		299	}
		300
		301	void
		302	rxvt_term::destroy ()
		303	{
		304	if (destroy_ev.active)
95	return R;	305	return;
96	}
97		306
98	bool	307	if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END)))
99	rxvt_term::init (int argc, const char *const *argv)	308	return;
100	{
101	dR;//TODO (scrollbar, setidle)
102		309
103	/*	310	#if ENABLE_OVERLAY
104	* Save and then give up any super-user privileges	311	scr_overlay_off ();
105	* If we need privileges in any area then we must specifically request it.
106	* We should only need to be root in these cases:
107	* 1. write utmp entries on some systems
108	* 2. chown tty on some systems
109	*/
110	rxvt_privileges (this, SAVE);
111	rxvt_privileges (this, IGNORE);
112
113	rxvt_init_secondary (this);
114
115	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
116
117	#if (MENUBAR_MAX)
118	rxvt_menubar_read (this, rs[Rs_menu]);
119	#endif	312	#endif
		313
		314	if (display)
		315	{
		316	#if USE_XIM
		317	im_ev.stop (display);
		318	#endif
120	#ifdef HAVE_SCROLLBARS	319	#if HAVE_SCROLLBARS
121	if (Options & Opt_scrollBar)	320	scrollbar_ev.stop (display);
122	scrollbar_setIdle (); /* set existence for size calculations */
123	#endif	321	#endif
124
125	rxvt_Create_Windows (this, argc, argv);
126
127	rxvt_init_xlocale (this);
128
129	rxvt_scr_reset (this); /* initialize screen */
130	#ifdef RXVT_GRAPHICS
131	rxvt_Gr_reset (this); /* reset graphics */
132	#endif
133
134	#if 0
135	#ifdef DEBUG_X
136	XSynchronize(Xdisplay, True);
137	XSetErrorHandler((XErrorHandler) abort);
138	#else
139	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
140	#endif
141	#endif
142
143	#ifdef HAVE_SCROLLBARS
144	if (Options & Opt_scrollBar)
145	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
146	#endif
147	#if (MENUBAR_MAX)
148	if (menubar_visible(r))
149	XMapWindow (Xdisplay, menuBar.win);
150	#endif
151	#ifdef TRANSPARENT	322	#if TRANSPARENT
152	if (Options & Opt_transparent)	323	rootwin_ev.stop (display);
		324	#endif
		325	incr_ev.stop ();
		326	termwin_ev.stop (display);
		327	vt_ev.stop (display);
153	{	328	}
154	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
155	rxvt_check_our_parents (this);
156	}
157	#endif
158	XMapWindow (Xdisplay, TermWin.vt);
159	XMapWindow (Xdisplay, TermWin.parent[0]);
160		329
161	rxvt_init_env (this);	330	check_ev.stop ();
162	rxvt_init_command (this, cmd_argv);	331	pty_ev.stop ();
163		332	#ifdef CURSOR_BLINK
164	x_ev.start (Xfd, EVENT_READ);	333	cursor_blink_ev.stop ();
165	pty_ev.start (cmd_fd, EVENT_READ);
166
167	return true;
168	}
169
170	/* ------------------------------------------------------------------------- *
171	* SIGNAL HANDLING & EXIT HANDLER *
172	* ------------------------------------------------------------------------- */
173	/*
174	* Catch a SIGCHLD signal and exit if the direct child has died
175	*/
176	/* ARGSUSED */
177	/* EXTPROTO */
178	RETSIGTYPE
179	rxvt_Child_signal(int sig __attribute__ ((unused)))
180	{
181	dR;
182	int pid, save_errno = errno;
183
184	do {
185	errno = 0;
186	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
187
188	if (pid == R->cmd_pid)
189	exit(EXIT_SUCCESS);
190
191	errno = save_errno;
192	signal(SIGCHLD, rxvt_Child_signal);
193	}
194
195	/*
196	* Catch a fatal signal and tidy up before quitting
197	*/
198	/* EXTPROTO */
199	RETSIGTYPE
200	rxvt_Exit_signal(int sig)
201	{
202	signal(sig, SIG_DFL);
203	#ifdef DEBUG_CMD
204	rxvt_print_error("signal %d", sig);
205	#endif	334	#endif
206	rxvt_clean_exit();	335	#ifdef TEXT_BLINK
207	kill(getpid(), sig);	336	text_blink_ev.stop ();
208	}	337	#endif
		338	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		339	cont_scroll_ev.stop ();
		340	#endif
		341	#ifdef SELECTION_SCROLLING
		342	sel_scroll_ev.stop ();
		343	#endif
		344	#ifdef POINTER_BLANK
		345	pointer_ev.stop ();
		346	#endif
209		347
210	/* ARGSUSED */	348	destroy_ev.start (0);
211	/* INTPROTO */	349	}
212	int
213	rxvt_xerror_handler(const Display * display
214	__attribute__ ((unused)), const XErrorEvent * event)
215	{
216	dR;
217		350
218	if (R->allowedxerror == -1) {	351	void
219	R->allowedxerror = event->error_code;	352	rxvt_term::destroy_cb (time_watcher &w)
220	return 0; /* ignored anyway */	353	{
221	}	354	make_current ();
222	rxvt_print_error("XError: Request: %d . %d, Error: %d",	355
223	event->request_code, event->minor_code,	356	delete this;
224	event->error_code);
225	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
226	exit(EXIT_FAILURE);
227	/* NOTREACHED */
228	}	357	}
229		358
230	/*----------------------------------------------------------------------*/	359	/*----------------------------------------------------------------------*/
231	/*	360	/*
232	* Exit gracefully, clearing the utmp entry and restoring tty attributes	361	* Exit gracefully, clearing the utmp entry and restoring tty attributes
233	* TODO: if debugging, this should free up any known resources if we can	362	* TODO: if debugging, this should free up any known resources if we can
234	*/	363	*/
235	/* EXTPROTO */	364	static XErrorHandler old_xerror_handler;
236	void
237	rxvt_clean_exit(void)
238	{
239	dR;
240		365
241	#ifdef DEBUG_SCREEN	366	static void
242	rxvt_scr_release(aR);	367	rxvt_emergency_cleanup ()
		368	{
		369	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		370	(*t)->emergency_cleanup ();
		371	}
		372
		373	#if ENABLE_FRILLS
		374	static void
		375	print_x_error (Display *dpy, XErrorEvent *event)
		376	{
		377	char buffer[BUFSIZ];
		378	char mesg[BUFSIZ];
		379	char number[32];
		380	char *mtype = "XlibMessage";
		381	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		382	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		383	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		384	rxvt_warn ("%s: %s\n", mesg, buffer);
		385	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		386	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		387	sprintf(number, "%d", event->request_code);
		388	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		389	rxvt_warn ("(which is %s)\n", buffer);
		390	if (event->request_code >= 128) {
		391	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		392	mesg, BUFSIZ);
		393	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		394	}
		395	if ((event->error_code == BadWindow) ||
		396	(event->error_code == BadPixmap) ||
		397	(event->error_code == BadCursor) ||
		398	(event->error_code == BadFont) ||
		399	(event->error_code == BadDrawable) ||
		400	(event->error_code == BadColor) ||
		401	(event->error_code == BadGC) ||
		402	(event->error_code == BadIDChoice) ||
		403	(event->error_code == BadValue) ||
		404	(event->error_code == BadAtom)) {
		405	if (event->error_code == BadValue)
		406	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		407	mesg, BUFSIZ);
		408	else if (event->error_code == BadAtom)
		409	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		410	mesg, BUFSIZ);
		411	else
		412	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		413	mesg, BUFSIZ);
		414	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		415	}
		416	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		417	mesg, BUFSIZ);
		418	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		419	}
243	#endif	420	#endif
244	#ifndef NO_SETOWNER_TTYDEV	421
245	rxvt_privileged_ttydev(aR_ RESTORE);	422	int
246	#endif	423	rxvt_xerror_handler (Display *display, XErrorEvent *event)
247	#ifdef UTMP_SUPPORT	424	{
248	rxvt_privileged_utmp(aR_ RESTORE);	425	if (GET_R->allowedxerror == -1)
249	#endif	426	GET_R->allowedxerror = event->error_code;
250	#ifdef USE_XIM	427	else
251	if (R->Input_Context != NULL) {
252	XDestroyIC(R->Input_Context);
253	R->Input_Context = NULL;
254	}	428	{
		429	// GET_R is most likely not the terminal which caused the error,
		430	// so just output the error and continue
		431	#if ENABLE_FRILLS
		432	print_x_error (display, event);
		433	#else
		434	old_xerror_handler (display, event);
255	#endif	435	#endif
		436	}
		437
		438	return 0;
		439	}
		440
		441	int
		442	rxvt_xioerror_handler (Display *display)
		443	{
		444	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		445	DisplayString (display));
		446	rxvt_emergency_cleanup ();
		447	_exit (EXIT_FAILURE);
		448	}
		449
		450	/*----------------------------------------------------------------------*/
		451	bool
		452	rxvt_term::init (int argc, const char *const *argv)
		453	{
		454	SET_R (this);
		455	set_locale ("");
		456	set_environ (envv); // few things in X do not call setlocale :(
		457
		458	if (!init_vars ())
		459	return false;
		460
		461	init_secondary ();
		462
		463	const char **cmd_argv = init_resources (argc, argv);
		464
		465	#ifdef KEYSYM_RESOURCE
		466	keyboard->register_done ();
		467	#endif
		468
		469	#if ENABLE_PERL
		470	if (!rs[Rs_perl_ext_1])
		471	rs[Rs_perl_ext_1] = "default";
		472
		473	if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
		474	|| (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
		475	|| (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
		476	{
		477	rxvt_perl.init (this);
		478	HOOK_INVOKE ((this, HOOK_INIT, DT_END));
		479	}
		480	#endif
		481
		482	#ifdef HAVE_SCROLLBARS
		483	if (OPTION (Opt_scrollBar))
		484	scrollBar.setIdle (); /* set existence for size calculations */
		485	#endif
		486
		487	pty = rxvt_new_ptytty ();
		488
		489	create_windows (argc, argv);
		490
		491	dDisp;
		492
		493	init_xlocale ();
		494
		495	scr_reset (); // initialize screen
		496
		497	#if 0
		498	XSynchronize (disp, True);
		499	#endif
		500
		501	#ifdef HAVE_SCROLLBARS
		502	if (OPTION (Opt_scrollBar))
		503	resize_scrollbar (); /* create and map scrollbar */
		504	#endif
		505	#ifdef TRANSPARENT
		506	if (OPTION (Opt_transparent))
		507	{
		508	XSelectInput (disp, display->root, PropertyChangeMask);
		509	check_our_parents ();
		510	rootwin_ev.start (display, display->root);
		511	}
		512	#endif
		513
		514	set_colorfgbg ();
		515
		516	init_command (cmd_argv);
		517
		518	free (cmd_argv);
		519
		520	if (pty->pty >= 0)
		521	pty_ev.start (pty->pty, EVENT_READ);
		522
		523	check_ev.start ();
		524
		525	HOOK_INVOKE ((this, HOOK_START, DT_END));
		526
		527	XMapWindow (disp, vt);
		528	XMapWindow (disp, parent[0]);
		529
		530	return true;
		531	}
		532
		533	static struct sig_handlers
		534	{
		535	sig_watcher sw_term, sw_int;
		536
		537	/*
		538	* Catch a fatal signal and tidy up before quitting
		539	*/
		540	void
		541	sig_term (sig_watcher &w)
		542	{
		543	#ifdef DEBUG_CMD
		544	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		545	#endif
		546	rxvt_emergency_cleanup ();
		547	signal (w.signum, SIG_DFL);
		548	kill (getpid (), w.signum);
		549	}
		550
		551	sig_handlers ()
		552	: sw_term (this, &sig_handlers::sig_term),
		553	sw_int (this, &sig_handlers::sig_term)
		554	{
		555	}
		556	} sig_handlers;
		557
		558	char **rxvt_environ; // startup environment
		559
		560	void
		561	rxvt_init ()
		562	{
		563	uid_t uid = getuid ();
		564	gid_t gid = getgid ();
		565
		566	// before doing anything else, check for setuid/setgid operation,
		567	// start the helper process and drop privileges
		568	if (uid != geteuid ()
		569	|| gid != getegid ())
		570	{
		571	#if PTYTTY_HELPER
		572	rxvt_ptytty_server ();
		573	#else
		574	rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
		575	#endif
		576
		577	// drop privileges
		578	#if HAVE_SETRESUID
		579	setresgid (gid, gid, gid);
		580	setresuid (uid, uid, uid);
		581	#elif HAVE_SETREUID
		582	setregid (gid, gid);
		583	setreuid (uid, uid);
		584	#elif HAVE_SETUID
		585	setgid (gid);
		586	setuid (uid);
		587	#endif
		588
		589	if (uid != geteuid ()
		590	|| gid != getegid ())
		591	rxvt_fatal ("unable to drop privileges, aborting.\n");
		592	}
		593
		594	rxvt_environ = environ;
		595
		596	signal (SIGHUP, SIG_IGN);
		597	signal (SIGPIPE, SIG_IGN);
		598
		599	sig_handlers.sw_term.start (SIGTERM);
		600	sig_handlers.sw_int.start (SIGINT);
		601
		602	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		603	/* signal (SIGURG, SIG_DFL); */
		604
		605	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		606	// TODO: handle this with exceptions and tolerate the memory loss
		607	XSetIOErrorHandler (rxvt_xioerror_handler);
		608
		609	XrmInitialize ();
256	}	610	}
257		611
258	/* ------------------------------------------------------------------------- *	612	/* ------------------------------------------------------------------------- *
259	* MEMORY ALLOCATION WRAPPERS *	613	* MEMORY ALLOCATION WRAPPERS *
260	* ------------------------------------------------------------------------- */	614	* ------------------------------------------------------------------------- */
261	/* EXTPROTO */	615	void *
262	void *
263	rxvt_malloc(size_t size)	616	rxvt_malloc (size_t size)
264	{	617	{
265	void *p;
266
267	p = malloc(size);	618	void *p = malloc (size);
		619
268	if (p)	620	if (!p)
		621	rxvt_fatal ("memory allocation failure. aborting.\n");
		622
269	return p;	623	return p;
270
271	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
272	rxvt_clean_exit();
273	exit(EXIT_FAILURE);
274	/* NOTREACHED */
275	}	624	}
276		625
277	/* EXTPROTO */	626	void *
278	void *
279	rxvt_calloc(size_t number, size_t size)	627	rxvt_calloc (size_t number, size_t size)
280	{	628	{
281	void *p;
282
283	p = calloc(number, size);	629	void *p = calloc (number, size);
		630
284	if (p)	631	if (!p)
		632	rxvt_fatal ("memory allocation failure. aborting.\n");
		633
285	return p;	634	return p;
286
287	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
288	rxvt_clean_exit();
289	exit(EXIT_FAILURE);
290	/* NOTREACHED */
291	}	635	}
292		636
293	/* EXTPROTO */	637	void *
294	void *
295	rxvt_realloc(void *ptr, size_t size)	638	rxvt_realloc (void *ptr, size_t size)
296	{	639	{
297	void *p;
298
299	if (ptr)
300	p = realloc(ptr, size);	640	void *p = realloc (ptr, size);
301	else	641
302	p = malloc(size);
303	if (p)	642	if (!p)
		643	rxvt_fatal ("memory allocation failure. aborting.\n");
		644
304	return p;	645	return p;
305
306	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
307	rxvt_clean_exit();
308	exit(EXIT_FAILURE);
309	/* NOTREACHED */
310	}	646	}
311
312	/* ------------------------------------------------------------------------- *
313	* PRIVILEGED OPERATIONS *
314	* ------------------------------------------------------------------------- */
315	/* take care of suid/sgid super-user (root) privileges */
316	/* INTPROTO */
317	void
318	rxvt_privileges(pR_ int mode)
319	{
320	#if ! defined(__CYGWIN32__)
321	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
322	/* setreuid() is the poor man's setuid(), seteuid() */
323	# define seteuid(a) setreuid(-1, (a))
324	# define setegid(a) setregid(-1, (a))
325	# define HAVE_SETEUID
326	# endif
327	# ifdef HAVE_SETEUID
328	switch (mode) {
329	case IGNORE:
330	/*
331	* change effective uid/gid - not real uid/gid - so we can switch
332	* back to root later, as required
333	*/
334	seteuid(getuid());
335	setegid(getgid());
336	break;
337	case SAVE:
338	R->euid = geteuid();
339	R->egid = getegid();
340	break;
341	case RESTORE:
342	seteuid(R->euid);
343	setegid(R->egid);
344	break;
345	}
346	# else
347	switch (mode) {
348	case IGNORE:
349	setuid(getuid());
350	setgid(getgid());
351	/* FALLTHROUGH */
352	case SAVE:
353	/* FALLTHROUGH */
354	case RESTORE:
355	break;
356	}
357	# endif
358	#endif
359	}
360
361	#ifdef UTMP_SUPPORT
362	/* EXTPROTO */
363	void
364	rxvt_privileged_utmp(pR_ char action)
365	{
366	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
367	action, R->next_utmp_action, getpid()));
368	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
369	|| (R->Options & Opt_utmpInhibit)
370	|| R->ttydev == NULL || *R->ttydev == '\0')
371	return;
372
373	rxvt_privileges(aR_ RESTORE);
374	if (action == SAVE) {
375	R->next_utmp_action = RESTORE;
376	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
377	} else { /* action == RESTORE */
378	R->next_utmp_action = IGNORE;
379	rxvt_cleanutent(aR);
380	}
381	rxvt_privileges(aR_ IGNORE);
382	}
383	#endif
384
385	#ifndef NO_SETOWNER_TTYDEV
386	/* EXTPROTO */
387	void
388	rxvt_privileged_ttydev(pR_ char action)
389	{
390	D_MAIN((stderr,
391	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
392	action, R->next_tty_action, getpid()));
393	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
394	|| R->ttydev == NULL || *R->ttydev == '\0')
395	return;
396
397	rxvt_privileges(aR_ RESTORE);
398
399	if (action == SAVE) {
400	R->next_tty_action = RESTORE;
401	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
402	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
403	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
404	R->next_tty_action = IGNORE;
405	else
406	# endif
407	{
408	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
409	chmod(R->ttydev, R->ttymode);
410	# ifdef HAVE_REVOKE
411	revoke(R->ttydev);
412	# endif
413	}
414	} else { /* action == RESTORE */
415	R->next_tty_action = IGNORE;
416	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
417	chmod(R->ttydev, R->ttyfd_stat.st_mode);
418	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
419	# else
420	chmod(R->ttydev,
421	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
422	chown(R->ttydev, 0, 0);
423	# endif
424	}
425
426	rxvt_privileges(aR_ IGNORE);
427
428	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
429	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
430	action == RESTORE ? "Restoring" : (action ==
431	SAVE ? "Saving" :
432	"UNKNOWN ERROR for"), R->ttydev,
433	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
434	R->ttyfd_stat.st_gid));
435	# endif
436	}
437	#endif
438		647
439	/*----------------------------------------------------------------------*/	648	/*----------------------------------------------------------------------*/
440	/*	649	/*
441	* window size/position calculcations for XSizeHint and other storage.	650	* window size/position calculcations for XSizeHint and other storage.
442	* if width/height are non-zero then override calculated width/height	651	* if width/height are non-zero then override calculated width/height
443	*/	652	*/
444	/* EXTPROTO */
445	void	653	void
446	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	654	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
447	{	655	{
448	short recalc_x, recalc_y;	656	short recalc_x, recalc_y;
449	int x, y, sb_w, mb_h, flags;	657	int x, y, sb_w, flags;
450	unsigned int w, h;	658	unsigned int w, h;
451	unsigned int max_width, max_height;	659	unsigned int max_width, max_height;
		660	dDisp;
452		661
453	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	662	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
454	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	663	ncol, nrow, szHint.width, szHint.height));
455	R->szHint.height));	664
456	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	665	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
457	R->szHint.win_gravity = NorthWestGravity;	666	szHint.win_gravity = NorthWestGravity;
458	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	667	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
459		668
460	recalc_x = recalc_y = 0;	669	recalc_x = recalc_y = 0;
461	flags = 0;	670	flags = 0;
		671
462	if (!R->parsed_geometry) {	672	if (!parsed_geometry)
		673	{
463	R->parsed_geometry = 1;	674	parsed_geometry = 1;
		675
464	if (R->rs[Rs_geometry])	676	if (rs[Rs_geometry])
465	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	677	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		678
466	if (flags & WidthValue) {	679	if (flags & WidthValue)
467	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	680	{
		681	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
468	R->szHint.flags |= USSize;	682	szHint.flags |= USSize;
469	}	683	}
		684
470	if (flags & HeightValue) {	685	if (flags & HeightValue)
471	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	686	{
		687	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
472	R->szHint.flags |= USSize;	688	szHint.flags |= USSize;
473	}	689	}
		690
474	if (flags & XValue) {	691	if (flags & XValue)
		692	{
475	R->szHint.x = x;	693	szHint.x = x;
476	R->szHint.flags |= USPosition;	694	szHint.flags |= USPosition;
		695
477	if (flags & XNegative) {	696	if (flags & XNegative)
		697	{
478	recalc_x = 1;	698	recalc_x = 1;
479	R->szHint.win_gravity = NorthEastGravity;	699	szHint.win_gravity = NorthEastGravity;
480	}	700	}
481	}	701	}
		702
482	if (flags & YValue) {	703	if (flags & YValue)
		704	{
483	R->szHint.y = y;	705	szHint.y = y;
484	R->szHint.flags |= USPosition;	706	szHint.flags |= USPosition;
		707
485	if (flags & YNegative) {	708	if (flags & YNegative)
		709	{
486	recalc_y = 1;	710	recalc_y = 1;
		711
487	if (R->szHint.win_gravity == NorthEastGravity)	712	if (szHint.win_gravity == NorthEastGravity)
488	R->szHint.win_gravity = SouthEastGravity;	713	szHint.win_gravity = SouthEastGravity;
489	else	714	else
490	R->szHint.win_gravity = SouthWestGravity;	715	szHint.win_gravity = SouthWestGravity;
491	}	716	}
492	}	717	}
493	}	718	}
		719
494	/* TODO: BOUNDS */	720	/* TODO: BOUNDS */
495	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	721	width = ncol * fwidth;
496	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	722	height = nrow * fheight;
497	max_width = MAX_COLS * R->TermWin.fwidth;	723	max_width = MAX_COLS * fwidth;
498	max_height = MAX_ROWS * R->TermWin.fheight;	724	max_height = MAX_ROWS * fheight;
499		725
500	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	726	szHint.base_width = szHint.base_height = 2 * int_bwidth;
501		727
502	sb_w = mb_h = 0;	728	sb_w = 0;
503	R->window_vt_x = R->window_vt_y = 0;	729	window_vt_x = window_vt_y = int_bwidth;
504	if (scrollbar_visible(R)) {	730
		731	if (scrollBar.state)
		732	{
505	sb_w = scrollbar_TotalWidth();	733	sb_w = scrollbar_TotalWidth ();
506	R->szHint.base_width += sb_w;	734	szHint.base_width += sb_w;
507	if (!(R->Options & Opt_scrollBar_right))	735	if (!OPTION (Opt_scrollBar_right))
508	R->window_vt_x = sb_w;	736	window_vt_x += sb_w;
509	}	737	}
510	if (menubar_visible(R)) {	738
511	mb_h = menuBar_TotalHeight();
512	R->szHint.base_height += mb_h;
513	R->window_vt_y = mb_h;
514	}
515	R->szHint.width_inc = R->TermWin.fwidth;	739	szHint.width_inc = fwidth;
516	R->szHint.height_inc = R->TermWin.fheight;	740	szHint.height_inc = fheight;
517	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	741	szHint.min_width = szHint.base_width + szHint.width_inc;
518	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	742	szHint.min_height = szHint.base_height + szHint.height_inc;
519		743
520	if (width && width - R->szHint.base_width < max_width) {	744	if (newwidth && newwidth - szHint.base_width < max_width)
		745	{
521	R->szHint.width = width;	746	szHint.width = newwidth;
522	R->TermWin.width = width - R->szHint.base_width;	747	width = newwidth - szHint.base_width;
523	} else {	748	}
524	MIN_IT(R->TermWin.width, max_width);	749	else
		750	{
		751	min_it (width, max_width);
525	R->szHint.width = R->szHint.base_width + R->TermWin.width;	752	szHint.width = szHint.base_width + width;
526	}	753	}
		754
527	if (height && height - R->szHint.base_height < max_height) {	755	if (newheight && newheight - szHint.base_height < max_height)
		756	{
528	R->szHint.height = height;	757	szHint.height = newheight;
529	R->TermWin.height = height - R->szHint.base_height;	758	height = newheight - szHint.base_height;
530	} else {	759	}
531	MIN_IT(R->TermWin.height, max_height);	760	else
		761	{
		762	min_it (height, max_height);
532	R->szHint.height = R->szHint.base_height + R->TermWin.height;	763	szHint.height = szHint.base_height + height;
533	}	764	}
534	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	765
		766	if (scrollBar.state && OPTION (Opt_scrollBar_right))
535	R->window_sb_x = R->szHint.width - sb_w;	767	window_sb_x = szHint.width - sb_w;
536		768
537	if (recalc_x)	769	if (recalc_x)
538	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	770	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
539	- R->szHint.width - 2 * R->TermWin.ext_bwidth);
540	if (recalc_y)	771	if (recalc_y)
541	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	772	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
542	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
543		773
544	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	774	ncol = width / fwidth;
545	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	775	nrow = height / fheight;
546	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	776	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
547	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	777	ncol, nrow, szHint.width,
548	R->szHint.height));	778	szHint.height));
549	return;	779	return;
550	}	780	}
551		781
552	/*----------------------------------------------------------------------*/	782	/*----------------------------------------------------------------------*/
553	/*	783	/*
554	* Tell the teletype handler what size the window is.	784	* Tell the teletype handler what size the window is.
555	* Called after a window size change.	785	* Called after a window size change.
556	*/	786	*/
557	/* EXTPROTO */
558	void	787	void
559	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	788	rxvt_term::tt_winch ()
560	{	789	{
		790	if (pty->pty < 0)
		791	return;
		792
561	struct winsize ws;	793	struct winsize ws;
562		794
563	if (fd < 0)
564	return;
565	ws.ws_col = col;	795	ws.ws_col = ncol;
566	ws.ws_row = row;	796	ws.ws_row = nrow;
567	ws.ws_xpixel = ws.ws_ypixel = 0;	797	ws.ws_xpixel = width;
568	#ifndef DEBUG_SIZE	798	ws.ws_ypixel = height;
569	(void)ioctl(fd, TIOCSWINSZ, &ws);	799	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
570	#else	800
571	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	801	#if 0
572	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	802	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
573	}
574	# ifdef SIGWINCH
575	else if (pid) /* force through to the command */	803	if (cmd_pid) /* force through to the command */
576	kill(pid, SIGWINCH);	804	kill (-cmd_pid, SIGWINCH);
577	# endif
578	#endif	805	#endif
579	}	806	}
580		807
581	/*----------------------------------------------------------------------*/	808	/*----------------------------------------------------------------------*/
582	/* rxvt_change_font() - Switch to a new font */	809	/* set_fonts () - load and set the various fonts
583	/*	810	*
584	* init = 1 - initialize	811	* init = 1 - initialize
585	*	812	*
586	* fontname == FONT_UP - switch to bigger font	813	* fontname == FONT_UP - switch to bigger font
587	* fontname == FONT_DN - switch to smaller font	814	* fontname == FONT_DN - switch to smaller font
588	*/	815	*/
589	/* EXTPROTO */	816	bool
590	void	817	rxvt_term::set_fonts ()
591	rxvt_change_font(pR_ int init, const char *fontname)
592	{	818	{
593	}	819	rxvt_fontset *fs = new rxvt_fontset (this);
		820	rxvt_fontprop prop;
594		821
595	/* INTPROTO */	822	if (!fs
596	void	823	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
597	rxvt_font_up_down(pR_ int n, int direction)	824	|| !fs->realize_font (1))
		825	{
		826	delete fs;
		827	return false;
		828	}
		829
		830	#if ENABLE_STYLES
		831	for (int i = RS_styleCount; --i; )
		832	if (fontset[i] != fontset[0])
		833	delete fontset[i];
		834	#endif
		835
		836	delete fontset[0];
		837	fontset[0] = fs;
		838
		839	prop = (*fs)[1]->properties ();
		840	prop.height += lineSpace;
		841	fs->set_prop (prop);
		842
		843	fwidth = prop.width;
		844	fheight = prop.height;
		845	fbase = prop.ascent;
		846
		847	for (int style = 1; style < 4; style++)
		848	{
		849	#if ENABLE_STYLES
		850	const char *res = rs[Rs_font + style];
		851
		852	if (res && !*res)
		853	fontset[style] = fontset[0];
		854	else
		855	{
		856	fontset[style] = fs = new rxvt_fontset (this);
		857	rxvt_fontprop prop2 = prop;
		858
		859	if (res)
		860	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		861	else
		862	{
		863	res = fontset[0]->fontdesc;
		864
		865	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		866	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		867	}
		868
		869	fs->populate (res);
		870	fs->set_prop (prop2);
		871	}
		872	#else
		873	fontset[style] = fontset[0];
		874	#endif
		875	}
		876
		877	if (parent[0])
		878	{
		879	resize_all_windows (0, 0, 0);
		880	scr_remap_chars ();
		881	scr_touch (true);
		882	}
		883
		884	return true;
		885	}
		886
		887	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
598	{	888	{
		889	XChangeProperty (display->display, parent[0],
		890	prop, XA_STRING, 8, PropModeReplace,
		891	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		892	}
		893
		894	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		895	{
		896	wchar_t *ws = rxvt_mbstowcs (str, len);
		897	char *s = rxvt_wcstoutf8 (ws);
		898
		899	XChangeProperty (display->display, parent[0],
		900	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		901	(const unsigned char *)s, strlen (s));
		902
		903	free (s);
		904	free (ws);
599	}	905	}
600		906
601	/*----------------------------------------------------------------------*/	907	/*----------------------------------------------------------------------*/
602	/*----------------------------------------------------------------------*/	908	/*----------------------------------------------------------------------*/
603	/* xterm sequences - title, iconName, color (exptl) */	909	/* xterm sequences - title, iconName, color (exptl) */
604	/* EXTPROTO */
605	void	910	void
606	rxvt_set_title(pR_ const char *str)	911	rxvt_term::set_title (const char *str)
607	{	912	{
608	#ifndef SMART_WINDOW_TITLE	913	set_string_property (XA_WM_NAME, str);
609	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	914	#if ENABLE_EWMH
		915	set_utf8_property (xa[XA_NET_WM_NAME], str);
		916	#endif
		917	}
		918
		919	void
		920	rxvt_term::set_icon_name (const char *str)
		921	{
		922	set_string_property (XA_WM_ICON_NAME, str);
		923	#if ENABLE_EWMH
		924	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		925	#endif
		926	}
		927
		928	#ifdef XTERM_COLOR_CHANGE
		929	void
		930	rxvt_term::set_window_color (int idx, const char *color)
		931	{
		932	rxvt_color xcol;
		933	int i;
		934
		935	if (color == NULL || *color == '\0')
		936	return;
		937
		938	/* handle color aliases */
		939	if (isdigit (*color))
		940	{
		941	i = atoi (color);
		942
		943	if (i >= 8 && i <= 15)
		944	{ /* bright colors */
		945	i -= 8;
		946	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		947	SET_PIXCOLOR (idx);
		948	goto done;
		949	}
		950
		951	if (i >= 0 && i <= 7)
		952	{ /* normal colors */
		953	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		954	SET_PIXCOLOR (idx);
		955	goto done;
		956	}
		957	}
		958
		959	if (!rXParseAllocColor (&xcol, color))
		960	return;
		961
		962	/* XStoreColor (display->display, display->cmap, XColor*); */
		963
		964	/*
		965	* FIXME: should free colors here, but no idea how to do it so instead,
		966	* so just keep gobbling up the colormap
		967	*/
		968	# if 0
		969	for (i = Color_Black; i <= Color_White; i++)
		970	if (pix_colors[idx] == pix_colors[i])
		971	break;
		972	if (i > Color_White)
		973	{
		974	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		975	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		976	DisplayPlanes (display->display, display->screen));
		977	}
		978	# endif
		979
		980	pix_colors_focused[idx] = xcol;
		981	SET_PIXCOLOR (idx);
		982
		983	/* XSetWindowAttributes attr; */
		984	/* Cursor cursor; */
		985	done:
		986
		987	#if OFF_FOCUS_FADING
		988	if (rs[Rs_fade])
		989	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		990	#endif
		991
		992	/*TODO: handle Color_BD, scrollbar background, etc. */
		993
		994	recolour_cursor ();
		995	scr_recolour ();
		996	}
		997
610	#else	998	#else
611	char *name;
612
613	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
614	name = NULL;
615	if (name == NULL || STRCMP(name, str))
616	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
617	if (name)
618	XFree(name);
619	#endif
620	}
621
622	/* EXTPROTO */
623	void
624	rxvt_set_iconName(pR_ const char *str)
625	{
626	#ifndef SMART_WINDOW_TITLE
627	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
628	#else
629	char *name;
630
631	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
632	name = NULL;
633	if (name == NULL || STRCMP(name, str))
634	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
635	if (name)
636	XFree(name);
637	#endif
638	}
639
640	#ifdef XTERM_COLOR_CHANGE
641	/* EXTPROTO */
642	void
643	rxvt_set_window_color(pR_ int idx, const char *color)
644	{
645	rxvt_color xcol;
646	int i;
647
648	if (color == NULL || *color == '\0')
649	return;
650
651	/* handle color aliases */
652	if (isdigit(*color)) {
653	i = atoi(color);
654	if (i >= 8 && i <= 15) { /* bright colors */
655	i -= 8;
656	# ifndef NO_BRIGHTCOLOR
657	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
658	SET_PIXCOLOR(R, idx);
659	goto Done;
660	# endif
661	}
662	if (i >= 0 && i <= 7) { /* normal colors */
663	R->PixColors[idx] = R->PixColors[minCOLOR + i];
664	SET_PIXCOLOR(R, idx);
665	goto Done;
666	}
667	}
668	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
669	return;
670	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
671
672	/*
673	* FIXME: should free colors here, but no idea how to do it so instead,
674	* so just keep gobbling up the colormap
675	*/
676	# if 0
677	for (i = Color_Black; i <= Color_White; i++)
678	if (R->PixColors[idx] == R->PixColors[i])
679	break;
680	if (i > Color_White) {
681	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
682	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
683	DisplayPlanes(R->Xdisplay, Xscreen));
684	}
685	# endif
686
687	R->PixColors[idx] = xcol;
688	SET_PIXCOLOR(R, idx);
689
690	/* XSetWindowAttributes attr; */
691	/* Cursor cursor; */
692	Done:
693	if (idx == Color_bg && !(R->Options & Opt_transparent))
694	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
695	R->PixColors[Color_bg]);
696
697	/* handle Color_BD, scrollbar background, etc. */
698
699	rxvt_set_colorfgbg(aR);
700	rxvt_recolour_cursor(aR);
701	/* the only reasonable way to enforce a clean update */
702	rxvt_scr_poweron(aR);
703	}
704
705	#else
706	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	999	# define set_window_color (idx,color) ((void)0)
707	#endif /* XTERM_COLOR_CHANGE */	1000	#endif /* XTERM_COLOR_CHANGE */
708		1001
709	/* EXTPROTO */
710	void	1002	void
711	rxvt_recolour_cursor(pR)	1003	rxvt_term::recolour_cursor ()
712	{	1004	{
713	rxvt_color xcol[2];	1005	XColor xcol[2];
714		1006
715	#if TODO	1007	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
716	xcol[0] = R->PixColors[Color_pointer];	1008	? pix_colors_focused[Color_pointer_fg]
717	xcol[1] = R->PixColors[Color_bg];	1009	: pix_colors_focused[Color_fg];
718	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	1010	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1011	? pix_colors_focused[Color_pointer_bg]
		1012	: pix_colors_focused[Color_bg];
		1013
		1014	XQueryColors (display->display, display->cmap, xcol, 2);
719	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1015	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
720	#endif
721	}	1016	}
722		1017
723	/*----------------------------------------------------------------------*/	1018	/*----------------------------------------------------------------------*/
724	/*	1019	/*
725	* find if fg/bg matches any of the normal (low-intensity) colors	1020	* find if fg/bg matches any of the normal (low-intensity) colors
726	*/	1021	*/
727	/* INTPROTO */
728	void	1022	void
729	rxvt_set_colorfgbg(pR)	1023	rxvt_term::set_colorfgbg ()
730	{	1024	{
731	unsigned int i;	1025	unsigned int i;
732	const char *xpmb = "\0";	1026	const char *xpmb = "\0";
733	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1027	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
734		1028
735	R->env_colorfgbg =
736	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1029	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
737	STRCPY(fstr, "default");	1030	strcpy (fstr, "default");
738	STRCPY(bstr, "default");	1031	strcpy (bstr, "default");
739	for (i = Color_Black; i <= Color_White; i++)	1032	for (i = Color_Black; i <= Color_White; i++)
740	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1033	if (pix_colors[Color_fg] == pix_colors[i])
		1034	{
741	sprintf(fstr, "%d", (i - Color_Black));	1035	sprintf (fstr, "%d", (i - Color_Black));
742	break;	1036	break;
743	}	1037	}
		1038
744	for (i = Color_Black; i <= Color_White; i++)	1039	for (i = Color_Black; i <= Color_White; i++)
745	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1040	if (pix_colors[Color_bg] == pix_colors[i])
		1041	{
746	sprintf(bstr, "%d", (i - Color_Black));	1042	sprintf (bstr, "%d", (i - Color_Black));
747	#ifdef XPM_BACKGROUND	1043	#ifdef XPM_BACKGROUND
748	xpmb = "default;";	1044	xpmb = "default;";
749	#endif	1045	#endif
750	break;	1046	break;
751	}	1047	}
		1048
752	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1049	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
753	putenv(R->env_colorfgbg);
754
755	#ifndef NO_BRIGHTCOLOR
756	R->colorfgbg = DEFAULT_RSTYLE;
757	for (i = minCOLOR; i <= maxCOLOR; i++) {
758	if (R->PixColors[Color_fg] == R->PixColors[i])
759	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
760	if (R->PixColors[Color_bg] == R->PixColors[i])
761	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
762	}
763	#endif
764	}	1050	}
765		1051
766	/*----------------------------------------------------------------------*/	1052	/*----------------------------------------------------------------------*/
767	/*
768	* Colour determination for low colour displays, routine from
769	* Hans de Goede <hans@highrise.nl>
770	*/
771		1053
772	/* EXTPROTO */
773	int	1054	int
774	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1055	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
775	{	1056	{
776	screen_in_out->set(aR_ colour);
777
778	if (!screen_in_out->set(aR_ colour)) {	1057	if (!screen_in_out->set (display, colour))
779	rxvt_print_error("can't allocate colour: %s", colour);	1058	{
		1059	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
780	return false;	1060	return false;
781	}	1061	}
782		1062
783	return true;	1063	return true;
784	}	1064	}
785		1065
786	/* -------------------------------------------------------------------- *	1066	/* -------------------------------------------------------------------- *
787	* - WINDOW RESIZING - *	1067	* - WINDOW RESIZING - *
788	* -------------------------------------------------------------------- */	1068	* -------------------------------------------------------------------- */
789	/* EXTPROTO */
790	void	1069	void
791	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1070	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
792	int ignoreparent)
793	{	1071	{
794	int fix_screen;	1072	int fix_screen;
		1073	int old_width = szHint.width, old_height = szHint.height;
		1074	dDisp;
795		1075
		1076	window_calc (newwidth, newheight);
		1077	XSetWMNormalHints (disp, parent[0], &szHint);
		1078
		1079	if (!ignoreparent)
		1080	{
796	#ifdef SMART_RESIZE	1081	#ifdef SMART_RESIZE
797	int old_width = R->szHint.width, old_height = R->szHint.height;	1082	/*
798	#endif
799
800	rxvt_window_calc(aR_ width, height);
801	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
802	if (!ignoreparent) {
803	#ifdef SMART_RESIZE
804	/*
805	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1083	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
806	* reposition window on resize depending on placement on screen	1084	* reposition window on resize depending on placement on screen
807	*/	1085	*/
808	int x, y, x1, y1;	1086	int x, y, x1, y1;
809	int dx, dy;	1087	int dx, dy;
810	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1088	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
811	Window unused_cr;	1089	Window unused_cr;
812		1090
813	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1091	XTranslateCoordinates (disp, parent[0], display->root,
814	0, 0, &x, &y, &unused_cr);	1092	0, 0, &x, &y, &unused_cr);
815	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1093	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
816	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1094	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
817	/*	1095	/*
818	* if Xroot isn't the parent window, a WM will probably have offset	1096	* if display->root isn't the parent window, a WM will probably have offset
819	* our position for handles and decorations. Counter it	1097	* our position for handles and decorations. Counter it
820	*/	1098	*/
821	if (x1 != x || y1 != y) {	1099	if (x1 != x || y1 != y)
		1100	{
822	x -= x1;	1101	x -= x1;
823	y -= y1;	1102	y -= y1;
824	}	1103	}
825		1104
826	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1105	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
827	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1106	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
828	dx = old_width - R->szHint.width;	1107	dx = old_width - szHint.width;
829	dy = old_height - R->szHint.height;	1108	dy = old_height - szHint.height;
830		1109
831	/* Check position of the center of the window */	1110	/* Check position of the center of the window */
832	if (x < x1) /* left half */	1111	if (x < x1) /* left half */
833	dx = 0;	1112	dx = 0;
834	else if (x == x1) /* exact center */	1113	else if (x == x1) /* exact center */
835	dx /= 2;	1114	dx /= 2;
836	if (y < y1) /* top half */	1115	if (y < y1) /* top half */
837	dy = 0;	1116	dy = 0;
838	else if (y == y1) /* exact center */	1117	else if (y == y1) /* exact center */
839	dy /= 2;	1118	dy /= 2;
840		1119
841	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1120	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
842	R->szHint.width, R->szHint.height);	1121	szHint.width, szHint.height);
843	#else	1122	#else
844	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1123	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
845	R->szHint.height);
846	#endif	1124	#endif
847	}	1125	}
848		1126
849	fix_screen = (R->TermWin.ncol != R->prev_ncol	1127	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
850	|| R->TermWin.nrow != R->prev_nrow);	1128
851	if (fix_screen || width != R->old_width || height != R->old_height) {	1129	if (fix_screen || newwidth != old_width || newheight != old_height)
852	if (scrollbar_visible(R)) {	1130	{
		1131	if (scrollBar.state)
		1132	{
853	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1133	XMoveResizeWindow (disp, scrollBar.win,
		1134	window_sb_x, 0,
854	0, scrollbar_TotalWidth(), R->szHint.height);	1135	scrollbar_TotalWidth (), szHint.height);
855	rxvt_Resize_scrollBar(aR);	1136	resize_scrollbar ();
856	}	1137	}
857	if (menubar_visible(R))	1138
858	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1139	XMoveResizeWindow (disp, vt,
859	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1140	window_vt_x, window_vt_y,
860	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
861	R->window_vt_y, TermWin_TotalWidth(),
862	TermWin_TotalHeight());	1141	width, height);
863	#ifdef RXVT_GRAPHICS	1142
864	if (R->old_height)
865	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
866	R->old_height - R->szHint.base_height);
867	#endif
868	rxvt_scr_clear(aR);	1143	scr_clear ();
869	#ifdef XPM_BACKGROUND	1144	#ifdef XPM_BACKGROUND
870	rxvt_resize_pixmap(aR);	1145	resize_pixmap ();
871	#endif	1146	#endif
872	}	1147	}
873		1148
874	if (fix_screen || R->old_height == 0) {	1149	if (fix_screen || old_height == 0)
		1150	{
875	int curr_screen = -1;	1151	int curr_screen = -1;
876	uint16_t old_ncol = R->prev_ncol;	1152	int old_ncol = prev_ncol;
877		1153
878	/* scr_reset only works on the primary screen */	1154	/* scr_reset only works on the primary screen */
879	if (R->old_height) /* this is not the first time through */	1155	if (old_height) /* this is not the first time through */
		1156	{
		1157	unsigned int ocol = ncol;
		1158	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
880	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1159	curr_screen = scr_change_screen (PRIMARY);
881	rxvt_scr_reset(aR);	1160	ncol = ocol;
882	if (curr_screen >= 0) { /* this is not the first time through */
883	rxvt_scr_change_screen(aR_ curr_screen);
884	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
885	}	1161	}
886	}
887		1162
		1163	scr_reset ();
		1164
		1165	if (curr_screen >= 0) /* this is not the first time through */
		1166	{
		1167	scr_change_screen (curr_screen);
		1168	selection_check (old_ncol != ncol ? 4 : 0);
		1169	}
		1170	}
		1171
888	R->old_width = R->szHint.width;	1172	old_width = szHint.width;
889	R->old_height = R->szHint.height;	1173	old_height = szHint.height;
		1174
		1175	#ifdef XPM_BACKGROUND
		1176	if (pixmap)
		1177	scr_touch (false);
		1178	#endif
890		1179
891	#ifdef USE_XIM	1180	#ifdef USE_XIM
892	rxvt_IMSetStatusPosition(aR);	1181	IMSetStatusPosition ();
893	#endif	1182	#endif
894	}	1183	}
895		1184
896	/*	1185	/*
897	* Set the width/height of the vt window in characters. Units are pixels.	1186	* Set the width/height of the vt window in characters. Units are pixels.
898	* good for toggling 80/132 columns	1187	* good for toggling 80/132 columns
899	*/	1188	*/
900	/* EXTPROTO */
901	void	1189	void
902	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1190	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
903	{	1191	{
904	XWindowAttributes wattr;	1192	XWindowAttributes wattr;
905		1193
906	if (width == 0 || height == 0) {	1194	if (newwidth == 0 || newheight == 0)
		1195	{
907	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1196	XGetWindowAttributes (display->display, display->root, &wattr);
		1197
908	if (width == 0)	1198	if (newwidth == 0)
909	width = wattr.width - R->szHint.base_width;	1199	newwidth = wattr.width - szHint.base_width;
910	if (height == 0)	1200	if (newheight == 0)
911	height = wattr.height - R->szHint.base_height;	1201	newheight = wattr.height - szHint.base_height;
		1202	}
		1203
		1204	if (newwidth != width || newheight != height)
912	}	1205	{
913	if (width != R->TermWin.width || height != R->TermWin.height) {
914	width += R->szHint.base_width;	1206	newwidth += szHint.base_width;
915	height += R->szHint.base_height;	1207	newheight += szHint.base_height;
916	rxvt_resize_all_windows(aR_ width, height, 0);	1208	resize_all_windows (newwidth, newheight, 0);
917	}	1209	}
918	}	1210	}
919		1211
920	/* -------------------------------------------------------------------- *	1212	/* -------------------------------------------------------------------- *
921	* - X INPUT METHOD ROUTINES - *	1213	* - X INPUT METHOD ROUTINES - *
922	* -------------------------------------------------------------------- */	1214	* -------------------------------------------------------------------- */
923	#ifdef USE_XIM	1215	#ifdef USE_XIM
924	/* INTPROTO */
925	void
926	rxvt_setSize(pR_ XRectangle * size)
927	{
928	size->x = R->TermWin.int_bwidth;
929	size->y = R->TermWin.int_bwidth;
930	size->width = Width2Pixel(R->TermWin.ncol);
931	size->height = Height2Pixel(R->TermWin.nrow);
932	}
933		1216
934	/* INTPROTO */
935	void	1217	void
936	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1218	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
937	{	1219	{
938	*fg = R->PixColors[Color_fg];	1220	fg = pix_colors[Color_fg];
939	*bg = R->PixColors[Color_bg];	1221	bg = pix_colors[Color_bg];
		1222	}
		1223
		1224	void
		1225	rxvt_term::im_set_size (XRectangle &size)
		1226	{
		1227	// the int_bwidth terms make no sense to me
		1228	size.x = int_bwidth;
		1229	size.y = int_bwidth;
		1230	size.width = Width2Pixel (ncol) + int_bwidth;
		1231	size.height = Height2Pixel (nrow) + int_bwidth;
		1232	}
		1233
		1234	void
		1235	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1236	XRectangle &status_rect,
		1237	const XRectangle &needed_rect)
		1238	{
		1239	preedit_rect.x = needed_rect.width;
		1240	preedit_rect.y = 0;
		1241	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1242	preedit_rect.height = fheight;
		1243
		1244	status_rect.x = 0;
		1245	status_rect.y = 0;
		1246	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1247	status_rect.height = fheight;
940	}	1248	}
941		1249
942	/* Checking whether input method is running. */	1250	/* Checking whether input method is running. */
943	/* INTPROTO */
944	Bool	1251	bool
945	rxvt_IMisRunning(pR)	1252	rxvt_term::IMisRunning ()
946	{	1253	{
947	char *p;	1254	char *p;
948	Atom atom;	1255	Atom atom;
949	Window win;	1256	Window win;
950	char server[IMBUFSIZ];	1257	char server[IMBUFSIZ];
951		1258
952	/* get current locale modifier */	1259	/* get current locale modifier */
953	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1260	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1261	{
954	STRCPY(server, "@server=");	1262	strcpy (server, "@server=");
955	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1263	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1264
956	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1265	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
957	*p = '\0';	1266	*p = '\0';
958		1267
959	atom = XInternAtom(R->Xdisplay, server, False);	1268	atom = XInternAtom (display->display, server, False);
960	win = XGetSelectionOwner(R->Xdisplay, atom);	1269	win = XGetSelectionOwner (display->display, atom);
		1270
961	if (win != None)	1271	if (win != None)
962	return True;	1272	return True;
963	}	1273	}
		1274
964	return False;	1275	return False;
965	}	1276	}
966		1277
967	/* EXTPROTO */
968	void	1278	void
969	rxvt_IMSendSpot(pR)	1279	rxvt_term::IMSendSpot ()
970	{	1280	{
971	XPoint spot;	1281	XPoint nspot;
972	XVaNestedList preedit_attr;	1282	XVaNestedList preedit_attr;
973		1283
974	if (R->Input_Context == NULL	1284	if (!Input_Context
		1285	|| !focus
975	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1286	|| !(input_style & XIMPreeditPosition))
976	|| !(R->event_type == KeyPress
977	|| R->event_type == Expose
978	|| R->event_type == NoExpose
979	|| R->event_type == SelectionNotify
980	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
981	|| !rxvt_IMisRunning(aR))
982	return;	1287	return;
983		1288
984	rxvt_setPosition(aR_ & spot);	1289	im_set_position (nspot);
985		1290
		1291	if (nspot.x == spot.x && nspot.y == spot.y)
		1292	return;
		1293
		1294	spot = nspot;
		1295
986	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1296	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
987	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1297	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
988	XFree(preedit_attr);	1298	XFree (preedit_attr);
989	}	1299	}
990		1300
991	/* EXTPROTO */
992	void	1301	void
993	rxvt_setTermFontSet(pR_ int idx)	1302	rxvt_term::im_destroy ()
994	{	1303	{
995	char *string;	1304	if (input_method)
996	long length;
997	int success = 0;
998
999	if (idx < 0 || idx >= MAX_NFONTS)
1000	return;
1001	}
1002
1003	/* INTPROTO */
1004	void
1005	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1006	XRectangle * needed_rect)
1007	{
1008	int mbh, vtx = 0;
1009
1010	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1011	vtx = scrollbar_TotalWidth();
1012	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1013	mbh -= R->TermWin.lineSpace;
1014
1015	preedit_rect->x = needed_rect->width + vtx;
1016	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1017
1018	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1019	+ vtx;
1020	preedit_rect->height = Height2Pixel(1);
1021
1022	status_rect->x = vtx;
1023	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1024
1025	status_rect->width = needed_rect->width ? needed_rect->width
1026	: Width2Pixel(R->TermWin.ncol + 1);
1027	status_rect->height = Height2Pixel(1);
1028	}
1029
1030	/* ARGSUSED */
1031	/* INTPROTO */
1032	void
1033	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1034	__attribute__ ((unused)), XPointer call_data
1035	__attribute__ ((unused)))
1036	{
1037	dR;
1038
1039	R->Input_Context = NULL;
1040	/* To avoid Segmentation Fault in C locale: Solaris only? */
1041	if (STRCMP(R->locale, "C"))
1042	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1043	rxvt_IMInstantiateCallback, NULL);
1044	}
1045
1046	/*
1047	* X manual pages and include files don't match on some systems:
1048	* some think this is an XIDProc and others an XIMProc so we can't
1049	* use the first argument - need to update this to be nice for
1050	* both types via some sort of configure detection
1051	*/
1052	/* ARGSUSED */
1053	/* EXTPROTO */
1054	void
1055	rxvt_IMInstantiateCallback(Display * unused
1056	__attribute__ ((unused)), XPointer client_data
1057	__attribute__ ((unused)), XPointer call_data
1058	__attribute__ ((unused)))
1059	{
1060	dR;
1061	int i, found, had_im;
1062	const char *p;
1063	char **s;
1064	char buf[IMBUFSIZ];
1065
1066	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1067	if (R->Input_Context)
1068	return;
1069
1070	found = had_im = 0;
1071	p = R->rs[Rs_inputMethod];
1072	if (p && *p) {
1073	had_im = 1;
1074	s = rxvt_splitcommastring(p);
1075	for (i = 0; s[i]; i++) {
1076	if (*s[i]) {
1077	STRCPY(buf, "@im=");
1078	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1079	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1080	&& (rxvt_IM_get_IC(aR) == True)) {
1081	found = 1;
1082	break;
1083	}
1084	}
1085	}
1086	for (i = 0; s[i]; i++)
1087	free(s[i]);
1088	free(s);
1089	}	1305	{
1090	if (found)	1306	if (Input_Context && input_method->xim)
1091	return;	1307	XDestroyIC (Input_Context);
1092		1308
1093	/* try with XMODIFIERS env. var. */	1309	display->put_xim (input_method);
1094	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1310	input_method = 0;
1095	rxvt_IM_get_IC(aR);
1096	return;
1097	}	1311	}
1098		1312
1099	/* try with no modifiers base IF the user didn't specify an IM */	1313	Input_Context = 0;
1100	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1101	&& rxvt_IM_get_IC(aR) == True)
1102	return;
1103	}	1314	}
1104		1315
1105	/*	1316	/*
1106	* Try to open a XIM with the current modifiers, then see if we can	1317	* Try to open a XIM with the current modifiers, then see if we can
1107	* open a suitable preedit type	1318	* open a suitable preedit type
1108	*/	1319	*/
1109	/* INTPROTO */
1110	Bool	1320	bool
1111	rxvt_IM_get_IC(pR)	1321	rxvt_term::IM_get_IC (const char *modifiers)
1112	{	1322	{
1113	int i, j, found;	1323	int i, j, found;
1114	XIM xim;	1324	XIM xim;
1115	XPoint spot;	1325	XPoint spot;
1116	XRectangle rect, status_rect, needed_rect;	1326	XRectangle rect, status_rect, needed_rect;
1117	unsigned long fg, bg;	1327	unsigned long fg, bg;
1118	const char *p;	1328	const char *p;
1119	char **s;	1329	char **s;
1120	XIMStyles *xim_styles;	1330	XIMStyles *xim_styles;
1121	XVaNestedList preedit_attr, status_attr;
1122	XIMCallback ximcallback;
1123		1331
		1332	set_environ (envv);
		1333
		1334	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1335	return false;
		1336
1124	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1337	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1125	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1338	input_method = display->get_xim (locale, modifiers);
1126	if (xim == NULL)	1339	if (input_method == NULL)
1127	return False;	1340	return false;
1128		1341
		1342	xim = input_method->xim;
		1343	spot.x = spot.y = -1;
		1344
1129	xim_styles = NULL;	1345	xim_styles = NULL;
1130	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1346	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1131	|| !xim_styles || !xim_styles->count_styles) {	1347	|| !xim_styles || !xim_styles->count_styles)
1132	XCloseIM(xim);	1348	{
		1349	im_destroy ();
1133	return False;	1350	return false;
		1351	}
		1352
		1353	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1354
		1355	for (int pi = 0; pi < 2; pi++)
1134	}	1356	{
		1357	p = pet[pi];
1135		1358
1136	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1359	if (!p)
1137	: "OverTheSpot,OffTheSpot,Root";	1360	continue;
		1361
1138	s = rxvt_splitcommastring(p);	1362	s = rxvt_splitcommastring (p);
		1363
1139	for (i = found = 0; !found && s[i]; i++) {	1364	for (i = found = 0; !found && s[i]; i++)
		1365	{
1140	if (!STRCMP(s[i], "OverTheSpot"))	1366	if (!strcmp (s[i], "OverTheSpot"))
1141	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1367	input_style = (XIMPreeditPosition | XIMStatusNothing);
1142	else if (!STRCMP(s[i], "OffTheSpot"))	1368	else if (!strcmp (s[i], "OffTheSpot"))
1143	R->input_style = (XIMPreeditArea | XIMStatusArea);	1369	input_style = (XIMPreeditArea | XIMStatusArea);
1144	else if (!STRCMP(s[i], "Root"))	1370	else if (!strcmp (s[i], "Root"))
1145	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1371	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1372	else if (!strcmp (s[i], "None"))
		1373	input_style = (XIMPreeditNone | XIMStatusNone);
1146		1374
1147	for (j = 0; j < xim_styles->count_styles; j++)	1375	for (j = 0; j < xim_styles->count_styles; j++)
1148	if (R->input_style == xim_styles->supported_styles[j]) {	1376	if (input_style == xim_styles->supported_styles[j])
		1377	{
		1378	rxvt_freecommastring (s);
		1379
1149	found = 1;	1380	found = 1;
		1381	goto foundpet;
		1382	}
		1383
		1384	}
		1385
		1386	rxvt_freecommastring (s);
		1387	}
		1388
		1389	foundpet:
		1390
		1391	XFree (xim_styles);
		1392
		1393	if (!found)
		1394	{
		1395	im_destroy ();
		1396	return false;
		1397	}
		1398
		1399	XFontSet fs = 0;
		1400	XVaNestedList preedit_attr = 0, status_attr = 0;
		1401
		1402	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1403	{
		1404	// fake us a font-set, please
		1405	char **missing_charset_list;
		1406	int missing_charset_count;
		1407	char *def_string;
		1408	char pat[512];
		1409
		1410	sprintf (pat,
		1411	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1412	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1413	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1414	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1415	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1416	"*",
		1417	fheight,
		1418	fheight + 1, fheight - 1,
		1419	fheight - 2, fheight + 2);
		1420
		1421	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1422	&missing_charset_list, &missing_charset_count, &def_string);
		1423
		1424	if (missing_charset_list)
		1425	XFreeStringList (missing_charset_list);
		1426
		1427	if (!fs)
		1428	{
		1429	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1430	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1431	}
		1432	}
		1433
		1434	if (input_style & XIMPreeditPosition)
		1435	{
		1436	im_set_size (rect);
		1437	im_set_position (spot);
		1438	im_set_color (fg, bg);
		1439
		1440	preedit_attr = XVaCreateNestedList (0,
		1441	XNForeground, fg,
		1442	XNBackground, bg,
		1443	XNArea, &rect,
		1444	XNSpotLocation, &spot,
		1445	XNFontSet, fs,
		1446	NULL);
		1447	}
		1448	else if (input_style & XIMPreeditArea)
		1449	{
		1450	im_set_color (fg, bg);
		1451
		1452	/*
		1453	* The necessary width of preedit area is unknown
		1454	* until create input context.
		1455	*/
		1456	needed_rect.width = 0;
		1457	im_set_preedit_area (rect, status_rect, needed_rect);
		1458
		1459	preedit_attr = XVaCreateNestedList (0,
		1460	XNForeground, fg,
		1461	XNBackground, bg,
		1462	XNArea, &rect,
		1463	XNFontSet, fs,
		1464	NULL);
		1465	status_attr = XVaCreateNestedList (0,
		1466	XNForeground, fg,
		1467	XNBackground, bg,
		1468	XNArea, &status_rect,
		1469	XNFontSet, fs,
		1470	NULL);
		1471	}
		1472
		1473	Input_Context = XCreateIC (xim,
		1474	XNInputStyle, input_style,
		1475	XNClientWindow, vt,
		1476	XNFocusWindow, parent[0],
		1477	preedit_attr ? XNPreeditAttributes : NULL,
		1478	preedit_attr,
		1479	status_attr ? XNStatusAttributes : NULL,
		1480	status_attr, NULL);
		1481
		1482	if (preedit_attr) XFree (preedit_attr);
		1483	if (status_attr) XFree (status_attr);
		1484	if (fs) XFreeFontSet (display->display, fs);
		1485
		1486	if (Input_Context == NULL)
		1487	{
		1488	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1489	im_destroy ();
		1490	return false;
		1491	}
		1492
		1493	if (input_style & XIMPreeditArea)
		1494	IMSetStatusPosition ();
		1495
		1496	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
		1497	return true;
		1498	}
		1499
		1500	void
		1501	rxvt_term::im_cb ()
		1502	{
		1503	int i;
		1504	const char *p;
		1505	char **s;
		1506	char buf[IMBUFSIZ];
		1507
		1508	make_current ();
		1509
		1510	im_destroy ();
		1511
		1512	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
		1513	if (Input_Context)
		1514	return;
		1515
		1516	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1517	if (rs[Rs_imLocale])
		1518	SET_LOCALE (rs[Rs_imLocale]);
		1519	#endif
		1520
		1521	p = rs[Rs_inputMethod];
		1522	if (p && *p)
		1523	{
		1524	bool found = false;
		1525
		1526	s = rxvt_splitcommastring (p);
		1527
		1528	for (i = 0; s[i]; i++)
		1529	{
		1530	if (*s[i])
		1531	{
		1532	strcpy (buf, "@im=");
		1533	strncat (buf, s[i], IMBUFSIZ - 5);
		1534	if (IM_get_IC (buf))
		1535	{
		1536	found = true;
1150	break;	1537	break;
		1538	}
1151	}	1539	}
1152	}	1540	}
1153	for (i = 0; s[i]; i++)
1154	free(s[i]);
1155	free(s);
1156	XFree(xim_styles);
1157		1541
		1542	rxvt_freecommastring (s);
		1543
1158	if (!found) {	1544	if (found)
1159	XCloseIM(xim);	1545	goto done;
1160	return False;
1161	}	1546	}
1162		1547
1163	ximcallback.callback = rxvt_IMDestroyCallback;	1548	/* try with XMODIFIERS env. var. */
		1549	if (IM_get_IC (""))
		1550	goto done;
1164		1551
1165	/* XXX: not sure why we need this (as well as IC one below) */	1552	/* try with no modifiers base IF the user didn't specify an IM */
1166	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1553	if (IM_get_IC ("@im=none"))
		1554	goto done;
1167		1555
1168	preedit_attr = status_attr = NULL;	1556	done:
1169		1557	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1170	if (R->input_style & XIMPreeditPosition) {	1558	if (rs[Rs_imLocale])
1171	rxvt_setSize(aR_ & rect);	1559	SET_LOCALE (locale);
1172	rxvt_setPosition(aR_ & spot);	1560	#endif
1173	rxvt_setColor(aR_ & fg, &bg);
1174
1175	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1176	XNSpotLocation, &spot,
1177	XNForeground, fg, XNBackground, bg,
1178	//XNFontSet, R->TermWin.fontset,
1179	NULL);
1180	} else if (R->input_style & XIMPreeditArea) {
1181	rxvt_setColor(aR_ & fg, &bg);
1182
1183	/*
1184	* The necessary width of preedit area is unknown
1185	* until create input context.
1186	*/
1187	needed_rect.width = 0;
1188
1189	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1190
1191	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1192	XNForeground, fg, XNBackground, bg,
1193	//XNFontSet, R->TermWin.fontset,
1194	NULL);
1195	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1196	XNForeground, fg, XNBackground, bg,
1197	//XNFontSet, R->TermWin.fontset,
1198	NULL);
1199	}
1200	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1201	XNClientWindow, R->TermWin.parent[0],
1202	XNFocusWindow, R->TermWin.parent[0],
1203	XNDestroyCallback, &ximcallback,
1204	preedit_attr ? XNPreeditAttributes : NULL,
1205	preedit_attr,
1206	status_attr ? XNStatusAttributes : NULL,
1207	status_attr, NULL);
1208	if (preedit_attr)
1209	XFree(preedit_attr);
1210	if (status_attr)
1211	XFree(status_attr);
1212	if (R->Input_Context == NULL) {
1213	rxvt_print_error("failed to create input context");
1214	XCloseIM(xim);
1215	return False;
1216	}
1217	if (R->input_style & XIMPreeditArea)
1218	rxvt_IMSetStatusPosition(aR);
1219	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1220	return True;
1221	}	1561	}
1222		1562
1223	/* EXTPROTO */
1224	void	1563	void
1225	rxvt_IMSetStatusPosition(pR)	1564	rxvt_term::IMSetStatusPosition ()
1226	{	1565	{
1227	XRectangle preedit_rect, status_rect, *needed_rect;	1566	XRectangle preedit_rect, status_rect, *needed_rect;
1228	XVaNestedList preedit_attr, status_attr;	1567	XVaNestedList preedit_attr, status_attr;
1229		1568
1230	if (R->Input_Context == NULL	1569	if (!Input_Context
		1570	|| !focus
1231	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1571	|| !(input_style & XIMPreeditArea)
1232	|| !rxvt_IMisRunning(aR))	1572	|| !IMisRunning ())
1233	return;	1573	return;
1234		1574
1235	/* Getting the necessary width of preedit area */	1575	/* Getting the necessary width of preedit area */
1236	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1576	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1237	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1577	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1238	XFree(status_attr);	1578	XFree (status_attr);
1239		1579
1240	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1580	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1581	XFree (needed_rect);
1241		1582
1242	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1583	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1243	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1584	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1244		1585
1245	XSetICValues(R->Input_Context,	1586	XSetICValues (Input_Context,
1246	XNPreeditAttributes, preedit_attr,	1587	XNPreeditAttributes, preedit_attr,
1247	XNStatusAttributes, status_attr, NULL);	1588	XNStatusAttributes, status_attr, NULL);
1248		1589
1249	XFree(preedit_attr);	1590	XFree (preedit_attr);
1250	XFree(status_attr);	1591	XFree (status_attr);
1251	}	1592	}
1252	#endif /* USE_XIM */	1593	#endif /* USE_XIM */
1253		1594
1254	/*----------------------------------------------------------------------*/
1255	rxvt_t rxvt_current_term;
1256
1257	/*----------------------- end-of-file (C source) -----------------------*/	1595	/*----------------------- end-of-file (C source) -----------------------*/

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