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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.3 by pcg, Tue Nov 25 11:52:42 2003 UTC vs.
Revision 1.163 by root, Fri Jan 6 02:11:15 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.3 2003/11/25 11:52:42 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
		73	void
		74	rxvt_pop_locale ()
		75	{
		76	rxvt_set_locale (savelocale);
		77	}
		78
		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
		138	return len;
		139
		140	}
		141	#endif
		142
47	rxvt_term::rxvt_term()	143	rxvt_term::rxvt_term ()
		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
		154	#ifdef CURSOR_BLINK
		155	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		156	#endif
		157	#ifdef TEXT_BLINK
		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),
		168	#endif
		169	#ifdef POINTER_BLANK
		170	pointer_ev (this, &rxvt_term::pointer_cb),
		171	#endif
		172	#ifdef USE_XIM
		173	im_ev (this, &rxvt_term::im_cb),
		174	#endif
		175	termwin_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),
		179	destroy_ev (this, &rxvt_term::destroy_cb),
48	: pty_ev(this, &rxvt_term::pty_cb),	180	pty_ev (this, &rxvt_term::pty_cb),
49	x_ev (this, &rxvt_term::x_cb)	181	incr_ev (this, &rxvt_term::incr_cb)
50	{	182	{
51	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	183	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
52	}
53		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 ();
		207	}
		208
		209	rxvt_term::~rxvt_term ()
		210	{
		211	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		212
		213	termlist.erase (find (termlist.begin (), termlist.end(), this));
		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];
		221	#endif
		222	delete fontset[0];
		223
		224	if (display)
		225	{
		226	dDisp;
		227
		228	selection_clear ();
		229
		230	#ifdef USE_XIM
		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]);
		271	}
		272
		273	// TODO: free pixcolours, colours should become part of rxvt_display
		274
		275	delete pix_colors_focused;
		276	#if OFF_FOCUS_FADING
		277	delete pix_colors_unfocused;
		278	#endif
		279
		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
54	void *	306	void
55	rxvt_term::operator new (size_t s)	307	rxvt_term::child_exit ()
56	{	308	{
57	void *p = malloc (s);	309	cmd_pid = 0;
58		310
59	MEMSET (p, 0, s);	311	if (!OPTION (Opt_hold))
		312	destroy ();
		313	}
		314
		315	void
		316	rxvt_term::destroy ()
		317	{
		318	if (destroy_ev.active)
60	return p;	319	return;
61	}
62		320
63	void	321	#if ENABLE_OVERLAY
64	rxvt_term::operator delete (void *p, size_t s)	322	scr_overlay_off ();
65	{	323	#endif
66	free (p);
67	}
68		324
69	/*----------------------------------------------------------------------*/	325	if (display)
70	/* rxvt_init() */
71	/* LIBPROTO */
72	rxvt_t
73	rxvt_init(int argc, const char *const *argv)
74	{
75	const char **cmd_argv;
76
77	SET_R(new rxvt_term);
78	dR;
79
80	if (rxvt_init_vars(aR) < 0)
81	{
82	free(R);
83	return NULL;
84	}	326	{
85		327	#if USE_XIM
86	/*	328	im_ev.stop (display);
87	* Save and then give up any super-user privileges
88	* If we need privileges in any area then we must specifically request it.
89	* We should only need to be root in these cases:
90	* 1. write utmp entries on some systems
91	* 2. chown tty on some systems
92	*/
93	rxvt_privileges(aR_ SAVE);
94	rxvt_privileges(aR_ IGNORE);
95
96	rxvt_init_secondary(aR);
97
98	cmd_argv = rxvt_init_resources(aR_ argc, argv);
99
100	R->x_ev.start (ConnectionNumber (R->Xdisplay), EVENT_READ);
101
102	#if (MENUBAR_MAX)
103	rxvt_menubar_read(aR_ R->rs[Rs_menu]);
104	#endif	329	#endif
105	#ifdef HAVE_SCROLLBARS	330	#if HAVE_SCROLLBARS
106	if (R->Options & Opt_scrollBar)	331	scrollbar_ev.stop (display);
107	scrollbar_setIdle(); /* set existence for size calculations */
108	#endif	332	#endif
109
110	rxvt_Create_Windows(aR_ argc, argv);
111
112	rxvt_init_xlocale(aR);
113
114	rxvt_scr_reset(aR); /* initialize screen */
115	#ifdef RXVT_GRAPHICS
116	rxvt_Gr_reset(aR); /* reset graphics */
117	#endif
118
119	#if 0
120	#ifdef DEBUG_X
121	XSynchronize(R->Xdisplay, True);
122	XSetErrorHandler((XErrorHandler) abort);
123	#else
124	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
125	#endif
126	#endif
127
128	#ifdef HAVE_SCROLLBARS
129	if (R->Options & Opt_scrollBar)
130	rxvt_Resize_scrollBar(aR); /* create and map scrollbar */
131	#endif
132	#if (MENUBAR_MAX)	333	#if MENUBAR
133	if (menubar_visible(r))	334	menubar_ev.stop (display);
134	XMapWindow(R->Xdisplay, R->menuBar.win);
135	#endif	335	#endif
136	#ifdef TRANSPARENT	336	#if TRANSPARENT
137	if (R->Options & Opt_transparent)	337	rootwin_ev.stop (display);
138	{	338	#endif
139	XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);	339	incr_ev.stop ();
140	rxvt_check_our_parents(aR);	340	termwin_ev.stop (display);
		341	vt_ev.stop (display);
141	}	342	}
142	#endif
143	XMapWindow(R->Xdisplay, R->TermWin.vt);
144	XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
145		343
146	rxvt_init_env(aR);	344	check_ev.stop ();
147	rxvt_init_command(aR_ cmd_argv);	345	pty_ev.stop ();
148		346	#ifdef CURSOR_BLINK
149	R->pty_ev.start (R->cmd_fd, EVENT_READ);	347	cursor_blink_ev.stop ();
150
151	return R;
152	}
153
154	/* ------------------------------------------------------------------------- *
155	* SIGNAL HANDLING & EXIT HANDLER *
156	* ------------------------------------------------------------------------- */
157	/*
158	* Catch a SIGCHLD signal and exit if the direct child has died
159	*/
160	/* ARGSUSED */
161	/* EXTPROTO */
162	RETSIGTYPE
163	rxvt_Child_signal(int sig __attribute__ ((unused)))
164	{
165	dR;
166	int pid, save_errno = errno;
167
168	do {
169	errno = 0;
170	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
171
172	if (pid == R->cmd_pid)
173	exit(EXIT_SUCCESS);
174
175	errno = save_errno;
176	signal(SIGCHLD, rxvt_Child_signal);
177	}
178
179	/*
180	* Catch a fatal signal and tidy up before quitting
181	*/
182	/* EXTPROTO */
183	RETSIGTYPE
184	rxvt_Exit_signal(int sig)
185	{
186	signal(sig, SIG_DFL);
187	#ifdef DEBUG_CMD
188	rxvt_print_error("signal %d", sig);
189	#endif	348	#endif
190	rxvt_clean_exit();	349	#ifdef TEXT_BLINK
191	kill(getpid(), sig);	350	text_blink_ev.stop ();
192	}	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 ();
		357	#endif
		358	#ifdef POINTER_BLANK
		359	pointer_ev.stop ();
		360	#endif
193		361
194	/* ARGSUSED */	362	destroy_ev.start (0);
195	/* INTPROTO */	363	}
196	int
197	rxvt_xerror_handler(const Display * display
198	__attribute__ ((unused)), const XErrorEvent * event)
199	{
200	dR;
201		364
202	if (R->allowedxerror == -1) {	365	void
203	R->allowedxerror = event->error_code;	366	rxvt_term::destroy_cb (time_watcher &w)
204	return 0; /* ignored anyway */	367	{
205	}	368	SET_R (this);
206	rxvt_print_error("XError: Request: %d . %d, Error: %d",	369
207	event->request_code, event->minor_code,	370	delete this;
208	event->error_code);
209	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
210	exit(EXIT_FAILURE);
211	/* NOTREACHED */
212	}	371	}
213		372
214	/*----------------------------------------------------------------------*/	373	/*----------------------------------------------------------------------*/
215	/*	374	/*
216	* Exit gracefully, clearing the utmp entry and restoring tty attributes	375	* Exit gracefully, clearing the utmp entry and restoring tty attributes
217	* TODO: if debugging, this should free up any known resources if we can	376	* TODO: if debugging, this should free up any known resources if we can
218	*/	377	*/
219	/* EXTPROTO */	378	static XErrorHandler old_xerror_handler;
220	void
221	rxvt_clean_exit(void)
222	{
223	dR;
224		379
225	#ifdef DEBUG_SCREEN	380	static void
226	rxvt_scr_release(aR);	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);
		408	}
		409	if ((event->error_code == BadWindow) ||
		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	}
227	#endif	434	#endif
228	#ifndef NO_SETOWNER_TTYDEV	435
229	rxvt_privileged_ttydev(aR_ RESTORE);	436	int
230	#endif	437	rxvt_xerror_handler (Display *display, XErrorEvent *event)
231	#ifdef UTMP_SUPPORT	438	{
232	rxvt_privileged_utmp(aR_ RESTORE);	439	if (GET_R->allowedxerror == -1)
233	#endif	440	GET_R->allowedxerror = event->error_code;
234	#ifdef USE_XIM	441	else
235	if (R->Input_Context != NULL) {
236	XDestroyIC(R->Input_Context);
237	R->Input_Context = NULL;
238	}	442	{
		443	// GET_R is most likely not the terminal which caused the error,
		444	// so just output the error and continue
		445	#if ENABLE_FRILLS
		446	print_x_error (display, event);
		447	#else
		448	old_xerror_handler (display, event);
239	#endif	449	#endif
		450	}
		451
		452	return 0;
		453	}
		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	/*----------------------------------------------------------------------*/
		465	bool
		466	rxvt_term::init (int argc, const char *const *argv)
		467	{
		468	SET_R (this);
		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	HOOK_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	if (pty.pty >= 0)
		540	pty_ev.start (pty.pty, EVENT_READ);
		541
		542	check_ev.start ();
		543
		544	HOOK_INVOKE ((this, HOOK_START, DT_END));
		545
		546	return true;
		547	}
		548
		549	static struct sig_handlers
		550	{
		551	sig_watcher sw_chld, sw_term, sw_int;
		552
		553	void sig_chld (sig_watcher &w)
		554	{
		555	// we are being called for every SIGCHLD, find the corresponding term
		556	int pid;
		557
		558	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
		559	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		560	if (pid == (*t)->cmd_pid)
		561	{
		562	(*t)->child_exit ();
		563	break;
		564	}
		565	}
		566
		567	/*
		568	* Catch a fatal signal and tidy up before quitting
		569	*/
		570	void
		571	sig_term (sig_watcher &w)
		572	{
		573	#ifdef DEBUG_CMD
		574	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		575	#endif
		576	rxvt_emergency_cleanup ();
		577	signal (w.signum, SIG_DFL);
		578	kill (getpid (), w.signum);
		579	}
		580
		581	sig_handlers ()
		582	: sw_chld (this, &sig_handlers::sig_chld),
		583	sw_term (this, &sig_handlers::sig_term),
		584	sw_int (this, &sig_handlers::sig_term)
		585	{
		586	}
		587	} sig_handlers;
		588
		589	void
		590	rxvt_init ()
		591	{
		592	/*
		593	* Save and then give up any super-user privileges
		594	* If we need privileges in any area then we must specifically request it.
		595	* We should only need to be root in these cases:
		596	* 1. write utmp entries on some systems
		597	* 2. chown tty on some systems
		598	*/
		599	rxvt_privileges (SAVE);
		600	rxvt_privileges (IGNORE);
		601
		602	signal (SIGHUP, SIG_IGN);
		603	signal (SIGPIPE, SIG_IGN);
		604
		605	sig_handlers.sw_chld.start (SIGCHLD);
		606	sig_handlers.sw_term.start (SIGTERM);
		607	sig_handlers.sw_int.start (SIGINT);
		608
		609	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		610	/* signal (SIGURG, SIG_DFL); */
		611
		612	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		613	// TODO: handle this with exceptions and tolerate the memory loss
		614	XSetIOErrorHandler (rxvt_xioerror_handler);
240	}	615	}
241		616
242	/* ------------------------------------------------------------------------- *	617	/* ------------------------------------------------------------------------- *
243	* MEMORY ALLOCATION WRAPPERS *	618	* MEMORY ALLOCATION WRAPPERS *
244	* ------------------------------------------------------------------------- */	619	* ------------------------------------------------------------------------- */
245	/* EXTPROTO */	620	void *
		621	rxvt_malloc (size_t size)
		622	{
		623	void *p = malloc (size);
		624
		625	if (!p)
		626	rxvt_fatal ("memory allocation failure. aborting.\n");
		627
		628	return p;
		629	}
		630
		631	void *
		632	rxvt_calloc (size_t number, size_t size)
		633	{
		634	void *p = calloc (number, size);
		635
		636	if (!p)
		637	rxvt_fatal ("memory allocation failure. aborting.\n");
		638
		639	return p;
		640	}
		641
246	void *	642	void *
247	rxvt_malloc(size_t size)
248	{
249	void *p;
250
251	p = malloc(size);
252	if (p)
253	return p;
254
255	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
256	rxvt_clean_exit();
257	exit(EXIT_FAILURE);
258	/* NOTREACHED */
259	}
260
261	/* EXTPROTO */
262	void *
263	rxvt_calloc(size_t number, size_t size)
264	{
265	void *p;
266
267	p = calloc(number, size);
268	if (p)
269	return p;
270
271	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
272	rxvt_clean_exit();
273	exit(EXIT_FAILURE);
274	/* NOTREACHED */
275	}
276
277	/* EXTPROTO */
278	void *
279	rxvt_realloc(void *ptr, size_t size)	643	rxvt_realloc (void *ptr, size_t size)
280	{	644	{
281	void *p;
282
283	if (ptr)
284	p = realloc(ptr, size);	645	void *p = realloc (ptr, size);
285	else	646
286	p = malloc(size);
287	if (p)	647	if (!p)
		648	rxvt_fatal ("memory allocation failure. aborting.\n");
		649
288	return p;	650	return p;
289
290	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
291	rxvt_clean_exit();
292	exit(EXIT_FAILURE);
293	/* NOTREACHED */
294	}	651	}
295		652
296	/* ------------------------------------------------------------------------- *	653	/* ------------------------------------------------------------------------- *
297	* PRIVILEGED OPERATIONS *	654	* PRIVILEGED OPERATIONS *
298	* ------------------------------------------------------------------------- */	655	* ------------------------------------------------------------------------- */
299	/* take care of suid/sgid super-user (root) privileges */	656	/* take care of suid/sgid super-user (root) privileges */
300	/* INTPROTO */
301	void	657	void
302	rxvt_privileges(pR_ int mode)	658	rxvt_privileges (rxvt_privaction action)
303	{	659	{
		660	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
		661	static uid_t euid;
		662	static gid_t egid;
		663	#endif
		664
304	#if ! defined(__CYGWIN32__)	665	#if ! defined(__CYGWIN32__)
305	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	666	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
306	/* setreuid() is the poor man's setuid(), seteuid() */	667	/* setreuid () is the poor man's setuid (), seteuid () */
307	# define seteuid(a) setreuid(-1, (a))	668	# define seteuid(a) setreuid(-1, (a))
308	# define setegid(a) setregid(-1, (a))	669	# define setegid(a) setregid(-1, (a))
309	# define HAVE_SETEUID	670	# define HAVE_SETEUID
310	# endif	671	# endif
311	# ifdef HAVE_SETEUID	672	# ifdef HAVE_SETEUID
312	switch (mode) {	673	switch (action)
		674	{
313	case IGNORE:	675	case IGNORE:
314	/*	676	/*
315	* change effective uid/gid - not real uid/gid - so we can switch	677	* change effective uid/gid - not real uid/gid - so we can switch
316	* back to root later, as required	678	* back to root later, as required
317	*/	679	*/
318	seteuid(getuid());	680	seteuid (getuid ());
319	setegid(getgid());	681	setegid (getgid ());
320	break;	682	break;
321	case SAVE:	683	case SAVE:
322	R->euid = geteuid();	684	euid = geteuid ();
323	R->egid = getegid();	685	egid = getegid ();
324	break;	686	break;
325	case RESTORE:	687	case RESTORE:
326	seteuid(R->euid);	688	seteuid (euid);
327	setegid(R->egid);	689	setegid (egid);
328	break;	690	break;
329	}	691	}
330	# else	692	# else
331	switch (mode) {	693	switch (action)
		694	{
332	case IGNORE:	695	case IGNORE:
333	setuid(getuid());	696	setuid (getuid ());
334	setgid(getgid());	697	setgid (getgid ());
335	/* FALLTHROUGH */	698	/* FALLTHROUGH */
336	case SAVE:	699	case SAVE:
337	/* FALLTHROUGH */	700	/* FALLTHROUGH */
338	case RESTORE:	701	case RESTORE:
339	break;	702	break;
340	}	703	}
341	# endif	704	# endif
342	#endif	705	#endif
343	}	706	}
344		707
345	#ifdef UTMP_SUPPORT	708	#ifdef UTMP_SUPPORT
346	/* EXTPROTO */
347	void	709	void
348	rxvt_privileged_utmp(pR_ char action)	710	rxvt_term::privileged_utmp (rxvt_privaction action)
349	{	711	{
350	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",	712	if (OPTION (Opt_utmpInhibit)
351	action, R->next_utmp_action, getpid()));	713	|| !pty.name || !*pty.name)
352	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
353	|| (R->Options & Opt_utmpInhibit)
354	|| R->ttydev == NULL || *R->ttydev == '\0')
355	return;	714	return;
356		715
357	rxvt_privileges(aR_ RESTORE);	716	rxvt_privileges (RESTORE);
		717
358	if (action == SAVE) {	718	if (action == SAVE)
359	R->next_utmp_action = RESTORE;	719	makeutent (pty.name, rs[Rs_display_name]);
360	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	720	else
361	} else { /* action == RESTORE */	721	cleanutent ();
362	R->next_utmp_action = IGNORE;	722
363	rxvt_cleanutent(aR);
364	}
365	rxvt_privileges(aR_ IGNORE);	723	rxvt_privileges (IGNORE);
366	}
367	#endif
368
369	#ifndef NO_SETOWNER_TTYDEV
370	/* EXTPROTO */
371	void
372	rxvt_privileged_ttydev(pR_ char action)
373	{
374	D_MAIN((stderr,
375	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
376	action, R->next_tty_action, getpid()));
377	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
378	|| R->ttydev == NULL || *R->ttydev == '\0')
379	return;
380
381	rxvt_privileges(aR_ RESTORE);
382
383	if (action == SAVE) {
384	R->next_tty_action = RESTORE;
385	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
386	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
387	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
388	R->next_tty_action = IGNORE;
389	else
390	# endif
391	{
392	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
393	chmod(R->ttydev, R->ttymode);
394	# ifdef HAVE_REVOKE
395	revoke(R->ttydev);
396	# endif
397	}
398	} else { /* action == RESTORE */
399	R->next_tty_action = IGNORE;
400	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
401	chmod(R->ttydev, R->ttyfd_stat.st_mode);
402	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
403	# else
404	chmod(R->ttydev,
405	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
406	chown(R->ttydev, 0, 0);
407	# endif
408	}
409
410	rxvt_privileges(aR_ IGNORE);
411
412	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
413	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
414	action == RESTORE ? "Restoring" : (action ==
415	SAVE ? "Saving" :
416	"UNKNOWN ERROR for"), R->ttydev,
417	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
418	R->ttyfd_stat.st_gid));
419	# endif
420	}	724	}
421	#endif	725	#endif
422		726
423	/*----------------------------------------------------------------------*/	727	/*----------------------------------------------------------------------*/
424	/*	728	/*
425	* window size/position calculcations for XSizeHint and other storage.	729	* window size/position calculcations for XSizeHint and other storage.
426	* if width/height are non-zero then override calculated width/height	730	* if width/height are non-zero then override calculated width/height
427	*/	731	*/
428	/* EXTPROTO */
429	void	732	void
430	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	733	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
431	{	734	{
432	short recalc_x, recalc_y;	735	short recalc_x, recalc_y;
433	int x, y, sb_w, mb_h, flags;	736	int x, y, sb_w, mb_h, flags;
434	unsigned int w, h;	737	unsigned int w, h;
435	unsigned int max_width, max_height;	738	unsigned int max_width, max_height;
		739	dDisp;
436		740
437	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	741	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
438	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	742	ncol, nrow, szHint.width, szHint.height));
439	R->szHint.height));	743
440	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	744	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
441	R->szHint.win_gravity = NorthWestGravity;	745	szHint.win_gravity = NorthWestGravity;
442	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	746	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
443		747
444	recalc_x = recalc_y = 0;	748	recalc_x = recalc_y = 0;
445	flags = 0;	749	flags = 0;
		750
446	if (!R->parsed_geometry) {	751	if (!parsed_geometry)
		752	{
447	R->parsed_geometry = 1;	753	parsed_geometry = 1;
		754
448	if (R->rs[Rs_geometry])	755	if (rs[Rs_geometry])
449	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	756	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		757
450	if (flags & WidthValue) {	758	if (flags & WidthValue)
451	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	759	{
		760	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
452	R->szHint.flags |= USSize;	761	szHint.flags |= USSize;
453	}	762	}
		763
454	if (flags & HeightValue) {	764	if (flags & HeightValue)
455	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	765	{
		766	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
456	R->szHint.flags |= USSize;	767	szHint.flags |= USSize;
457	}	768	}
		769
458	if (flags & XValue) {	770	if (flags & XValue)
		771	{
459	R->szHint.x = x;	772	szHint.x = x;
460	R->szHint.flags |= USPosition;	773	szHint.flags |= USPosition;
		774
461	if (flags & XNegative) {	775	if (flags & XNegative)
		776	{
462	recalc_x = 1;	777	recalc_x = 1;
463	R->szHint.win_gravity = NorthEastGravity;	778	szHint.win_gravity = NorthEastGravity;
464	}	779	}
465	}	780	}
		781
466	if (flags & YValue) {	782	if (flags & YValue)
		783	{
467	R->szHint.y = y;	784	szHint.y = y;
468	R->szHint.flags |= USPosition;	785	szHint.flags |= USPosition;
		786
469	if (flags & YNegative) {	787	if (flags & YNegative)
		788	{
470	recalc_y = 1;	789	recalc_y = 1;
		790
471	if (R->szHint.win_gravity == NorthEastGravity)	791	if (szHint.win_gravity == NorthEastGravity)
472	R->szHint.win_gravity = SouthEastGravity;	792	szHint.win_gravity = SouthEastGravity;
473	else	793	else
474	R->szHint.win_gravity = SouthWestGravity;	794	szHint.win_gravity = SouthWestGravity;
475	}	795	}
476	}	796	}
477	}	797	}
		798
478	/* TODO: BOUNDS */	799	/* TODO: BOUNDS */
479	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	800	width = ncol * fwidth;
480	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	801	height = nrow * fheight;
481	max_width = MAX_COLS * R->TermWin.fwidth;	802	max_width = MAX_COLS * fwidth;
482	max_height = MAX_ROWS * R->TermWin.fheight;	803	max_height = MAX_ROWS * fheight;
483		804
484	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	805	szHint.base_width = szHint.base_height = 2 * int_bwidth;
485		806
486	sb_w = mb_h = 0;	807	sb_w = mb_h = 0;
487	R->window_vt_x = R->window_vt_y = 0;	808	window_vt_x = window_vt_y = int_bwidth;
		809
488	if (scrollbar_visible(R)) {	810	if (scrollbar_visible ())
		811	{
489	sb_w = scrollbar_TotalWidth();	812	sb_w = scrollbar_TotalWidth ();
490	R->szHint.base_width += sb_w;	813	szHint.base_width += sb_w;
491	if (!(R->Options & Opt_scrollBar_right))	814	if (!OPTION (Opt_scrollBar_right))
492	R->window_vt_x = sb_w;	815	window_vt_x += sb_w;
493	}	816	}
		817
494	if (menubar_visible(R)) {	818	if (menubar_visible ())
		819	{
495	mb_h = menuBar_TotalHeight();	820	mb_h = menuBar_TotalHeight ();
496	R->szHint.base_height += mb_h;	821	szHint.base_height += mb_h;
497	R->window_vt_y = mb_h;	822	window_vt_y += mb_h;
498	}	823	}
		824
499	R->szHint.width_inc = R->TermWin.fwidth;	825	szHint.width_inc = fwidth;
500	R->szHint.height_inc = R->TermWin.fheight;	826	szHint.height_inc = fheight;
501	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	827	szHint.min_width = szHint.base_width + szHint.width_inc;
502	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	828	szHint.min_height = szHint.base_height + szHint.height_inc;
503		829
504	if (width && width - R->szHint.base_width < max_width) {	830	if (newwidth && newwidth - szHint.base_width < max_width)
		831	{
505	R->szHint.width = width;	832	szHint.width = newwidth;
506	R->TermWin.width = width - R->szHint.base_width;	833	width = newwidth - szHint.base_width;
507	} else {	834	}
508	MIN_IT(R->TermWin.width, max_width);	835	else
		836	{
		837	min_it (width, max_width);
509	R->szHint.width = R->szHint.base_width + R->TermWin.width;	838	szHint.width = szHint.base_width + width;
510	}	839	}
		840
511	if (height && height - R->szHint.base_height < max_height) {	841	if (newheight && newheight - szHint.base_height < max_height)
		842	{
512	R->szHint.height = height;	843	szHint.height = newheight;
513	R->TermWin.height = height - R->szHint.base_height;	844	height = newheight - szHint.base_height;
514	} else {	845	}
515	MIN_IT(R->TermWin.height, max_height);	846	else
		847	{
		848	min_it (height, max_height);
516	R->szHint.height = R->szHint.base_height + R->TermWin.height;	849	szHint.height = szHint.base_height + height;
517	}	850	}
		851
518	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	852	if (scrollbar_visible () && OPTION (Opt_scrollBar_right))
519	R->window_sb_x = R->szHint.width - sb_w;	853	window_sb_x = szHint.width - sb_w;
520		854
521	if (recalc_x)	855	if (recalc_x)
522	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	856	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
523	- R->szHint.width - 2 * R->TermWin.ext_bwidth);
524	if (recalc_y)	857	if (recalc_y)
525	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	858	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
526	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
527		859
528	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	860	ncol = width / fwidth;
529	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	861	nrow = height / fheight;
530	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	862	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
531	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	863	ncol, nrow, szHint.width,
532	R->szHint.height));	864	szHint.height));
533	return;	865	return;
534	}	866	}
535		867
536	/*----------------------------------------------------------------------*/	868	/*----------------------------------------------------------------------*/
537	/*	869	/*
538	* Tell the teletype handler what size the window is.	870	* Tell the teletype handler what size the window is.
539	* Called after a window size change.	871	* Called after a window size change.
540	*/	872	*/
541	/* EXTPROTO */
542	void	873	void
543	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	874	rxvt_term::tt_winch ()
544	{	875	{
		876	if (pty.pty < 0)
		877	return;
		878
545	struct winsize ws;	879	struct winsize ws;
546		880
547	if (fd < 0)
548	return;
549	ws.ws_col = col;	881	ws.ws_col = ncol;
550	ws.ws_row = row;	882	ws.ws_row = nrow;
551	ws.ws_xpixel = ws.ws_ypixel = 0;	883	ws.ws_xpixel = width;
552	#ifndef DEBUG_SIZE	884	ws.ws_ypixel = height;
553	(void)ioctl(fd, TIOCSWINSZ, &ws);	885	(void)ioctl (pty.pty, TIOCSWINSZ, &ws);
554	#else	886
555	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	887	#if 0
556	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	888	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
557	}
558	# ifdef SIGWINCH
559	else if (pid) /* force through to the command */	889	if (cmd_pid) /* force through to the command */
560	kill(pid, SIGWINCH);	890	kill (-cmd_pid, SIGWINCH);
561	# endif
562	#endif	891	#endif
563	}	892	}
564		893
565	/*----------------------------------------------------------------------*/	894	/*----------------------------------------------------------------------*/
566	/* rxvt_change_font() - Switch to a new font */	895	/* set_fonts () - load and set the various fonts
567	/*	896	*
568	* init = 1 - initialize	897	* init = 1 - initialize
569	*	898	*
570	* fontname == FONT_UP - switch to bigger font	899	* fontname == FONT_UP - switch to bigger font
571	* fontname == FONT_DN - switch to smaller font	900	* fontname == FONT_DN - switch to smaller font
572	*/	901	*/
573	/* EXTPROTO */	902	bool
574	void	903	rxvt_term::set_fonts ()
575	rxvt_change_font(pR_ int init, const char *fontname)
576	{	904	{
577	}	905	rxvt_fontset *fs = new rxvt_fontset (this);
		906	rxvt_fontprop prop;
578		907
579	/* INTPROTO */	908	if (!fs
580	void	909	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
581	rxvt_font_up_down(pR_ int n, int direction)	910	|| !fs->realize_font (1))
		911	{
		912	delete fs;
		913	return false;
		914	}
		915
		916	#if ENABLE_STYLES
		917	for (int i = RS_styleCount; --i; )
		918	if (fontset[i] != fontset[0])
		919	delete fontset[i];
		920	#endif
		921
		922	delete fontset[0];
		923	fontset[0] = fs;
		924
		925	prop = (*fs)[1]->properties ();
		926	prop.height += lineSpace;
		927	fs->set_prop (prop);
		928
		929	fwidth = prop.width;
		930	fheight = prop.height;
		931	fbase = prop.ascent;
		932
		933	for (int style = 1; style < 4; style++)
		934	{
		935	#if ENABLE_STYLES
		936	const char *res = rs[Rs_font + style];
		937
		938	if (res && !*res)
		939	fontset[style] = fontset[0];
		940	else
		941	{
		942	fontset[style] = fs = new rxvt_fontset (this);
		943	rxvt_fontprop prop2 = prop;
		944
		945	if (res)
		946	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		947	else
		948	{
		949	res = fontset[0]->fontdesc;
		950
		951	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		952	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		953	}
		954
		955	fs->populate (res);
		956	fs->set_prop (prop2);
		957	}
		958	#else
		959	fontset[style] = fontset[0];
		960	#endif
		961	}
		962
		963	if (parent[0])
		964	{
		965	resize_all_windows (0, 0, 0);
		966	scr_remap_chars ();
		967	scr_touch (true);
		968	}
		969
		970	return true;
		971	}
		972
		973	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
582	{	974	{
		975	XChangeProperty (display->display, parent[0],
		976	prop, XA_STRING, 8, PropModeReplace,
		977	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		978	}
		979
		980	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		981	{
		982	wchar_t *ws = rxvt_mbstowcs (str, len);
		983	char *s = rxvt_wcstoutf8 (ws);
		984
		985	XChangeProperty (display->display, parent[0],
		986	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		987	(const unsigned char *)s, strlen (s));
		988
		989	free (s);
		990	free (ws);
583	}	991	}
584		992
585	/*----------------------------------------------------------------------*/	993	/*----------------------------------------------------------------------*/
586	/*----------------------------------------------------------------------*/	994	/*----------------------------------------------------------------------*/
587	/* xterm sequences - title, iconName, color (exptl) */	995	/* xterm sequences - title, iconName, color (exptl) */
588	/* EXTPROTO */
589	void	996	void
590	rxvt_set_title(pR_ const char *str)	997	rxvt_term::set_title (const char *str)
591	{	998	{
592	#ifndef SMART_WINDOW_TITLE	999	set_string_property (XA_WM_NAME, str);
593	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	1000	#if ENABLE_EWMH
		1001	set_utf8_property (xa[XA_NET_WM_NAME], str);
		1002	#endif
		1003	}
		1004
		1005	void
		1006	rxvt_term::set_icon_name (const char *str)
		1007	{
		1008	set_string_property (XA_WM_ICON_NAME, str);
		1009	#if ENABLE_EWMH
		1010	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		1011	#endif
		1012	}
		1013
		1014	#ifdef XTERM_COLOR_CHANGE
		1015	void
		1016	rxvt_term::set_window_color (int idx, const char *color)
		1017	{
		1018	rxvt_color xcol;
		1019	int i;
		1020
		1021	if (color == NULL || *color == '\0')
		1022	return;
		1023
		1024	/* handle color aliases */
		1025	if (isdigit (*color))
		1026	{
		1027	i = atoi (color);
		1028
		1029	if (i >= 8 && i <= 15)
		1030	{ /* bright colors */
		1031	i -= 8;
		1032	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		1033	SET_PIXCOLOR (idx);
		1034	goto done;
		1035	}
		1036
		1037	if (i >= 0 && i <= 7)
		1038	{ /* normal colors */
		1039	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		1040	SET_PIXCOLOR (idx);
		1041	goto done;
		1042	}
		1043	}
		1044
		1045	if (!rXParseAllocColor (&xcol, color))
		1046	return;
		1047
		1048	/* XStoreColor (display->display, display->cmap, XColor*); */
		1049
		1050	/*
		1051	* FIXME: should free colors here, but no idea how to do it so instead,
		1052	* so just keep gobbling up the colormap
		1053	*/
		1054	# if 0
		1055	for (i = Color_Black; i <= Color_White; i++)
		1056	if (pix_colors[idx] == pix_colors[i])
		1057	break;
		1058	if (i > Color_White)
		1059	{
		1060	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		1061	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		1062	DisplayPlanes (display->display, display->screen));
		1063	}
		1064	# endif
		1065
		1066	pix_colors_focused[idx] = xcol;
		1067	SET_PIXCOLOR (idx);
		1068
		1069	/* XSetWindowAttributes attr; */
		1070	/* Cursor cursor; */
		1071	done:
		1072
		1073	#if OFF_FOCUS_FADING
		1074	if (rs[Rs_fade])
		1075	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		1076	#endif
		1077
		1078	/*TODO: handle Color_BD, scrollbar background, etc. */
		1079
		1080	recolour_cursor ();
		1081	scr_recolour ();
		1082	}
		1083
594	#else	1084	#else
595	char *name;
596
597	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
598	name = NULL;
599	if (name == NULL || STRCMP(name, str))
600	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
601	if (name)
602	XFree(name);
603	#endif
604	}
605
606	/* EXTPROTO */
607	void
608	rxvt_set_iconName(pR_ const char *str)
609	{
610	#ifndef SMART_WINDOW_TITLE
611	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
612	#else
613	char *name;
614
615	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
616	name = NULL;
617	if (name == NULL || STRCMP(name, str))
618	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
619	if (name)
620	XFree(name);
621	#endif
622	}
623
624	#ifdef XTERM_COLOR_CHANGE
625	/* EXTPROTO */
626	void
627	rxvt_set_window_color(pR_ int idx, const char *color)
628	{
629	rxvt_color xcol;
630	int i;
631
632	if (color == NULL || *color == '\0')
633	return;
634
635	/* handle color aliases */
636	if (isdigit(*color)) {
637	i = atoi(color);
638	if (i >= 8 && i <= 15) { /* bright colors */
639	i -= 8;
640	# ifndef NO_BRIGHTCOLOR
641	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
642	SET_PIXCOLOR(R, idx);
643	goto Done;
644	# endif
645	}
646	if (i >= 0 && i <= 7) { /* normal colors */
647	R->PixColors[idx] = R->PixColors[minCOLOR + i];
648	SET_PIXCOLOR(R, idx);
649	goto Done;
650	}
651	}
652	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
653	return;
654	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
655
656	/*
657	* FIXME: should free colors here, but no idea how to do it so instead,
658	* so just keep gobbling up the colormap
659	*/
660	# if 0
661	for (i = Color_Black; i <= Color_White; i++)
662	if (R->PixColors[idx] == R->PixColors[i])
663	break;
664	if (i > Color_White) {
665	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
666	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
667	DisplayPlanes(R->Xdisplay, Xscreen));
668	}
669	# endif
670
671	R->PixColors[idx] = xcol;
672	SET_PIXCOLOR(R, idx);
673
674	/* XSetWindowAttributes attr; */
675	/* Cursor cursor; */
676	Done:
677	if (idx == Color_bg && !(R->Options & Opt_transparent))
678	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
679	R->PixColors[Color_bg]);
680
681	/* handle Color_BD, scrollbar background, etc. */
682
683	rxvt_set_colorfgbg(aR);
684	rxvt_recolour_cursor(aR);
685	/* the only reasonable way to enforce a clean update */
686	rxvt_scr_poweron(aR);
687	}
688
689	#else
690	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	1085	# define set_window_color (idx,color) ((void)0)
691	#endif /* XTERM_COLOR_CHANGE */	1086	#endif /* XTERM_COLOR_CHANGE */
692		1087
693	/* EXTPROTO */
694	void	1088	void
695	rxvt_recolour_cursor(pR)	1089	rxvt_term::recolour_cursor ()
696	{	1090	{
697	rxvt_color xcol[2];	1091	XColor xcol[2];
698		1092
699	#if TODO	1093	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
700	xcol[0] = R->PixColors[Color_pointer];	1094	? pix_colors_focused[Color_pointer_fg]
701	xcol[1] = R->PixColors[Color_bg];	1095	: pix_colors_focused[Color_fg];
702	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	1096	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1097	? pix_colors_focused[Color_pointer_bg]
		1098	: pix_colors_focused[Color_bg];
		1099
		1100	XQueryColors (display->display, display->cmap, xcol, 2);
703	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1101	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
704	#endif
705	}	1102	}
706		1103
707	/*----------------------------------------------------------------------*/	1104	/*----------------------------------------------------------------------*/
708	/*	1105	/*
709	* find if fg/bg matches any of the normal (low-intensity) colors	1106	* find if fg/bg matches any of the normal (low-intensity) colors
710	*/	1107	*/
711	/* INTPROTO */
712	void	1108	void
713	rxvt_set_colorfgbg(pR)	1109	rxvt_term::set_colorfgbg ()
714	{	1110	{
715	unsigned int i;	1111	unsigned int i;
716	const char *xpmb = "\0";	1112	const char *xpmb = "\0";
717	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1113	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
718		1114
719	R->env_colorfgbg =
720	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1115	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
721	STRCPY(fstr, "default");	1116	strcpy (fstr, "default");
722	STRCPY(bstr, "default");	1117	strcpy (bstr, "default");
723	for (i = Color_Black; i <= Color_White; i++)	1118	for (i = Color_Black; i <= Color_White; i++)
724	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1119	if (pix_colors[Color_fg] == pix_colors[i])
		1120	{
725	sprintf(fstr, "%d", (i - Color_Black));	1121	sprintf (fstr, "%d", (i - Color_Black));
726	break;	1122	break;
727	}	1123	}
		1124
728	for (i = Color_Black; i <= Color_White; i++)	1125	for (i = Color_Black; i <= Color_White; i++)
729	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1126	if (pix_colors[Color_bg] == pix_colors[i])
		1127	{
730	sprintf(bstr, "%d", (i - Color_Black));	1128	sprintf (bstr, "%d", (i - Color_Black));
731	#ifdef XPM_BACKGROUND	1129	#ifdef XPM_BACKGROUND
732	xpmb = "default;";	1130	xpmb = "default;";
733	#endif	1131	#endif
734	break;	1132	break;
735	}	1133	}
		1134
736	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1135	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
737	putenv(R->env_colorfgbg);
738
739	#ifndef NO_BRIGHTCOLOR
740	R->colorfgbg = DEFAULT_RSTYLE;
741	for (i = minCOLOR; i <= maxCOLOR; i++) {
742	if (R->PixColors[Color_fg] == R->PixColors[i])
743	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
744	if (R->PixColors[Color_bg] == R->PixColors[i])
745	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
746	}
747	#endif
748	}	1136	}
749		1137
750	/*----------------------------------------------------------------------*/	1138	/*----------------------------------------------------------------------*/
751	/*
752	* Colour determination for low colour displays, routine from
753	* Hans de Goede <hans@highrise.nl>
754	*/
755		1139
756	/* EXTPROTO */
757	int	1140	int
758	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1141	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
759	{	1142	{
760	screen_in_out->set(aR_ colour);
761
762	if (!screen_in_out->set(aR_ colour)) {	1143	if (!screen_in_out->set (display, colour))
763	rxvt_print_error("can't allocate colour: %s", colour);	1144	{
		1145	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
764	return false;	1146	return false;
765	}	1147	}
766		1148
767	return true;	1149	return true;
768	}	1150	}
769		1151
770	/* -------------------------------------------------------------------- *	1152	/* -------------------------------------------------------------------- *
771	* - WINDOW RESIZING - *	1153	* - WINDOW RESIZING - *
772	* -------------------------------------------------------------------- */	1154	* -------------------------------------------------------------------- */
773	/* EXTPROTO */
774	void	1155	void
775	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1156	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
776	int ignoreparent)
777	{	1157	{
778	int fix_screen;	1158	int fix_screen;
		1159	int old_width = szHint.width, old_height = szHint.height;
		1160	dDisp;
779		1161
		1162	window_calc (newwidth, newheight);
		1163	XSetWMNormalHints (disp, parent[0], &szHint);
		1164
		1165	if (!ignoreparent)
		1166	{
780	#ifdef SMART_RESIZE	1167	#ifdef SMART_RESIZE
781	int old_width = R->szHint.width, old_height = R->szHint.height;	1168	/*
782	#endif
783
784	rxvt_window_calc(aR_ width, height);
785	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
786	if (!ignoreparent) {
787	#ifdef SMART_RESIZE
788	/*
789	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1169	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
790	* reposition window on resize depending on placement on screen	1170	* reposition window on resize depending on placement on screen
791	*/	1171	*/
792	int x, y, x1, y1;	1172	int x, y, x1, y1;
793	int dx, dy;	1173	int dx, dy;
794	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1174	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
795	Window unused_cr;	1175	Window unused_cr;
796		1176
797	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1177	XTranslateCoordinates (disp, parent[0], display->root,
798	0, 0, &x, &y, &unused_cr);	1178	0, 0, &x, &y, &unused_cr);
799	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1179	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
800	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1180	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
801	/*	1181	/*
802	* if Xroot isn't the parent window, a WM will probably have offset	1182	* if display->root isn't the parent window, a WM will probably have offset
803	* our position for handles and decorations. Counter it	1183	* our position for handles and decorations. Counter it
804	*/	1184	*/
805	if (x1 != x || y1 != y) {	1185	if (x1 != x || y1 != y)
		1186	{
806	x -= x1;	1187	x -= x1;
807	y -= y1;	1188	y -= y1;
808	}	1189	}
809		1190
810	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1191	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
811	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1192	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
812	dx = old_width - R->szHint.width;	1193	dx = old_width - szHint.width;
813	dy = old_height - R->szHint.height;	1194	dy = old_height - szHint.height;
814		1195
815	/* Check position of the center of the window */	1196	/* Check position of the center of the window */
816	if (x < x1) /* left half */	1197	if (x < x1) /* left half */
817	dx = 0;	1198	dx = 0;
818	else if (x == x1) /* exact center */	1199	else if (x == x1) /* exact center */
819	dx /= 2;	1200	dx /= 2;
820	if (y < y1) /* top half */	1201	if (y < y1) /* top half */
821	dy = 0;	1202	dy = 0;
822	else if (y == y1) /* exact center */	1203	else if (y == y1) /* exact center */
823	dy /= 2;	1204	dy /= 2;
824		1205
825	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1206	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
826	R->szHint.width, R->szHint.height);	1207	szHint.width, szHint.height);
827	#else	1208	#else
828	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1209	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
829	R->szHint.height);
830	#endif	1210	#endif
831	}	1211	}
832		1212
833	fix_screen = (R->TermWin.ncol != R->prev_ncol	1213	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
834	|| R->TermWin.nrow != R->prev_nrow);	1214
835	if (fix_screen || width != R->old_width || height != R->old_height) {	1215	if (fix_screen || newwidth != old_width || newheight != old_height)
		1216	{
836	if (scrollbar_visible(R)) {	1217	if (scrollbar_visible ())
		1218	{
837	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1219	XMoveResizeWindow (disp, scrollBar.win,
		1220	window_sb_x, 0,
838	0, scrollbar_TotalWidth(), R->szHint.height);	1221	scrollbar_TotalWidth (), szHint.height);
839	rxvt_Resize_scrollBar(aR);	1222	resize_scrollbar ();
840	}	1223	}
		1224
841	if (menubar_visible(R))	1225	if (menubar_visible ())
842	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1226	XMoveResizeWindow (disp, menuBar.win,
		1227	window_vt_x, 0,
843	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1228	width, menuBar_TotalHeight ());
844	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,	1229
845	R->window_vt_y, TermWin_TotalWidth(),	1230	XMoveResizeWindow (disp, vt,
		1231	window_vt_x, window_vt_y,
846	TermWin_TotalHeight());	1232	width, height);
847	#ifdef RXVT_GRAPHICS	1233
848	if (R->old_height)
849	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
850	R->old_height - R->szHint.base_height);
851	#endif
852	rxvt_scr_clear(aR);	1234	scr_clear ();
853	#ifdef XPM_BACKGROUND	1235	#ifdef XPM_BACKGROUND
854	rxvt_resize_pixmap(aR);	1236	resize_pixmap ();
855	#endif	1237	#endif
856	}	1238	}
857		1239
858	if (fix_screen || R->old_height == 0) {	1240	if (fix_screen || old_height == 0)
		1241	{
859	int curr_screen = -1;	1242	int curr_screen = -1;
860	uint16_t old_ncol = R->prev_ncol;	1243	int old_ncol = prev_ncol;
861		1244
862	/* scr_reset only works on the primary screen */	1245	/* scr_reset only works on the primary screen */
863	if (R->old_height) /* this is not the first time through */	1246	if (old_height) /* this is not the first time through */
		1247	{
		1248	unsigned int ocol = ncol;
		1249	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
864	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1250	curr_screen = scr_change_screen (PRIMARY);
865	rxvt_scr_reset(aR);	1251	ncol = ocol;
866	if (curr_screen >= 0) { /* this is not the first time through */
867	rxvt_scr_change_screen(aR_ curr_screen);
868	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
869	}	1252	}
870	}
871		1253
		1254	scr_reset ();
		1255
		1256	if (curr_screen >= 0) /* this is not the first time through */
		1257	{
		1258	scr_change_screen (curr_screen);
		1259	selection_check (old_ncol != ncol ? 4 : 0);
		1260	}
		1261	}
		1262
872	R->old_width = R->szHint.width;	1263	old_width = szHint.width;
873	R->old_height = R->szHint.height;	1264	old_height = szHint.height;
		1265
		1266	#ifdef XPM_BACKGROUND
		1267	if (pixmap)
		1268	scr_touch (false);
		1269	#endif
874		1270
875	#ifdef USE_XIM	1271	#ifdef USE_XIM
876	rxvt_IMSetStatusPosition(aR);	1272	IMSetStatusPosition ();
877	#endif	1273	#endif
878	}	1274	}
879		1275
880	/*	1276	/*
881	* Set the width/height of the vt window in characters. Units are pixels.	1277	* Set the width/height of the vt window in characters. Units are pixels.
882	* good for toggling 80/132 columns	1278	* good for toggling 80/132 columns
883	*/	1279	*/
884	/* EXTPROTO */
885	void	1280	void
886	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1281	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
887	{	1282	{
888	XWindowAttributes wattr;	1283	XWindowAttributes wattr;
889		1284
890	if (width == 0 || height == 0) {	1285	if (newwidth == 0 || newheight == 0)
		1286	{
891	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1287	XGetWindowAttributes (display->display, display->root, &wattr);
		1288
892	if (width == 0)	1289	if (newwidth == 0)
893	width = wattr.width - R->szHint.base_width;	1290	newwidth = wattr.width - szHint.base_width;
894	if (height == 0)	1291	if (newheight == 0)
895	height = wattr.height - R->szHint.base_height;	1292	newheight = wattr.height - szHint.base_height;
		1293	}
		1294
		1295	if (newwidth != width || newheight != height)
896	}	1296	{
897	if (width != R->TermWin.width || height != R->TermWin.height) {
898	width += R->szHint.base_width;	1297	newwidth += szHint.base_width;
899	height += R->szHint.base_height;	1298	newheight += szHint.base_height;
900	rxvt_resize_all_windows(aR_ width, height, 0);	1299	resize_all_windows (newwidth, newheight, 0);
901	}	1300	}
902	}	1301	}
903		1302
904	/* -------------------------------------------------------------------- *	1303	/* -------------------------------------------------------------------- *
905	* - X INPUT METHOD ROUTINES - *	1304	* - X INPUT METHOD ROUTINES - *
906	* -------------------------------------------------------------------- */	1305	* -------------------------------------------------------------------- */
907	#ifdef USE_XIM	1306	#ifdef USE_XIM
908	/* INTPROTO */
909	void
910	rxvt_setSize(pR_ XRectangle * size)
911	{
912	size->x = R->TermWin.int_bwidth;
913	size->y = R->TermWin.int_bwidth;
914	size->width = Width2Pixel(R->TermWin.ncol);
915	size->height = Height2Pixel(R->TermWin.nrow);
916	}
917		1307
918	/* INTPROTO */
919	void	1308	void
920	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1309	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
921	{	1310	{
922	*fg = R->PixColors[Color_fg];	1311	fg = pix_colors[Color_fg];
923	*bg = R->PixColors[Color_bg];	1312	bg = pix_colors[Color_bg];
		1313	}
		1314
		1315	void
		1316	rxvt_term::im_set_size (XRectangle &size)
		1317	{
		1318	// the int_bwidth terms make no sense to me
		1319	size.x = int_bwidth;
		1320	size.y = int_bwidth;
		1321	size.width = Width2Pixel (ncol) + int_bwidth;
		1322	size.height = Height2Pixel (nrow) + int_bwidth;
		1323	}
		1324
		1325	void
		1326	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1327	XRectangle &status_rect,
		1328	const XRectangle &needed_rect)
		1329	{
		1330	preedit_rect.x = needed_rect.width;
		1331	preedit_rect.y = 0;
		1332	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1333	preedit_rect.height = fheight;
		1334
		1335	status_rect.x = 0;
		1336	status_rect.y = 0;
		1337	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1338	status_rect.height = fheight;
924	}	1339	}
925		1340
926	/* Checking whether input method is running. */	1341	/* Checking whether input method is running. */
927	/* INTPROTO */
928	Bool	1342	bool
929	rxvt_IMisRunning(pR)	1343	rxvt_term::IMisRunning ()
930	{	1344	{
931	char *p;	1345	char *p;
932	Atom atom;	1346	Atom atom;
933	Window win;	1347	Window win;
934	char server[IMBUFSIZ];	1348	char server[IMBUFSIZ];
935		1349
936	/* get current locale modifier */	1350	/* get current locale modifier */
937	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1351	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1352	{
938	STRCPY(server, "@server=");	1353	strcpy (server, "@server=");
939	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1354	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1355
940	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1356	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
941	*p = '\0';	1357	*p = '\0';
942		1358
943	atom = XInternAtom(R->Xdisplay, server, False);	1359	atom = XInternAtom (display->display, server, False);
944	win = XGetSelectionOwner(R->Xdisplay, atom);	1360	win = XGetSelectionOwner (display->display, atom);
		1361
945	if (win != None)	1362	if (win != None)
946	return True;	1363	return True;
947	}	1364	}
		1365
948	return False;	1366	return False;
949	}	1367	}
950		1368
951	/* EXTPROTO */
952	void	1369	void
953	rxvt_IMSendSpot(pR)	1370	rxvt_term::IMSendSpot ()
954	{	1371	{
955	XPoint spot;	1372	XPoint nspot;
956	XVaNestedList preedit_attr;	1373	XVaNestedList preedit_attr;
957		1374
958	if (R->Input_Context == NULL	1375	if (!Input_Context
		1376	|| !focus
959	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1377	|| !(input_style & XIMPreeditPosition))
960	|| !(R->event_type == KeyPress
961	|| R->event_type == Expose
962	|| R->event_type == NoExpose
963	|| R->event_type == SelectionNotify
964	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
965	|| !rxvt_IMisRunning(aR))
966	return;	1378	return;
967		1379
968	rxvt_setPosition(aR_ & spot);	1380	im_set_position (nspot);
969		1381
		1382	if (nspot.x == spot.x && nspot.y == spot.y)
		1383	return;
		1384
		1385	spot = nspot;
		1386
970	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1387	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
971	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1388	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
972	XFree(preedit_attr);	1389	XFree (preedit_attr);
973	}	1390	}
974		1391
975	/* EXTPROTO */
976	void	1392	void
977	rxvt_setTermFontSet(pR_ int idx)	1393	rxvt_term::im_destroy ()
978	{	1394	{
979	char *string;	1395	if (input_method)
980	long length;
981	int success = 0;
982
983	if (idx < 0 || idx >= MAX_NFONTS)
984	return;
985	}
986
987	/* INTPROTO */
988	void
989	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
990	XRectangle * needed_rect)
991	{
992	int mbh, vtx = 0;
993
994	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
995	vtx = scrollbar_TotalWidth();
996	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
997	mbh -= R->TermWin.lineSpace;
998
999	preedit_rect->x = needed_rect->width + vtx;
1000	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1001
1002	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1003	+ vtx;
1004	preedit_rect->height = Height2Pixel(1);
1005
1006	status_rect->x = vtx;
1007	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1008
1009	status_rect->width = needed_rect->width ? needed_rect->width
1010	: Width2Pixel(R->TermWin.ncol + 1);
1011	status_rect->height = Height2Pixel(1);
1012	}
1013
1014	/* ARGSUSED */
1015	/* INTPROTO */
1016	void
1017	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1018	__attribute__ ((unused)), XPointer call_data
1019	__attribute__ ((unused)))
1020	{
1021	dR;
1022
1023	R->Input_Context = NULL;
1024	/* To avoid Segmentation Fault in C locale: Solaris only? */
1025	if (STRCMP(R->locale, "C"))
1026	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1027	rxvt_IMInstantiateCallback, NULL);
1028	}
1029
1030	/*
1031	* X manual pages and include files don't match on some systems:
1032	* some think this is an XIDProc and others an XIMProc so we can't
1033	* use the first argument - need to update this to be nice for
1034	* both types via some sort of configure detection
1035	*/
1036	/* ARGSUSED */
1037	/* EXTPROTO */
1038	void
1039	rxvt_IMInstantiateCallback(Display * unused
1040	__attribute__ ((unused)), XPointer client_data
1041	__attribute__ ((unused)), XPointer call_data
1042	__attribute__ ((unused)))
1043	{
1044	dR;
1045	int i, found, had_im;
1046	const char *p;
1047	char **s;
1048	char buf[IMBUFSIZ];
1049
1050	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1051	if (R->Input_Context)
1052	return;
1053
1054	found = had_im = 0;
1055	p = R->rs[Rs_inputMethod];
1056	if (p && *p) {
1057	had_im = 1;
1058	s = rxvt_splitcommastring(p);
1059	for (i = 0; s[i]; i++) {
1060	if (*s[i]) {
1061	STRCPY(buf, "@im=");
1062	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1063	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1064	&& (rxvt_IM_get_IC(aR) == True)) {
1065	found = 1;
1066	break;
1067	}
1068	}
1069	}
1070	for (i = 0; s[i]; i++)
1071	free(s[i]);
1072	free(s);
1073	}	1396	{
1074	if (found)	1397	if (Input_Context && input_method->xim)
1075	return;	1398	XDestroyIC (Input_Context);
1076		1399
1077	/* try with XMODIFIERS env. var. */	1400	display->put_xim (input_method);
1078	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1401	input_method = 0;
1079	rxvt_IM_get_IC(aR);
1080	return;
1081	}	1402	}
1082		1403
1083	/* try with no modifiers base IF the user didn't specify an IM */	1404	Input_Context = 0;
1084	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1085	&& rxvt_IM_get_IC(aR) == True)
1086	return;
1087	}	1405	}
1088		1406
1089	/*	1407	/*
1090	* Try to open a XIM with the current modifiers, then see if we can	1408	* Try to open a XIM with the current modifiers, then see if we can
1091	* open a suitable preedit type	1409	* open a suitable preedit type
1092	*/	1410	*/
1093	/* INTPROTO */
1094	Bool	1411	bool
1095	rxvt_IM_get_IC(pR)	1412	rxvt_term::IM_get_IC (const char *modifiers)
1096	{	1413	{
1097	int i, j, found;	1414	int i, j, found;
1098	XIM xim;	1415	XIM xim;
1099	XPoint spot;	1416	XPoint spot;
1100	XRectangle rect, status_rect, needed_rect;	1417	XRectangle rect, status_rect, needed_rect;
1101	unsigned long fg, bg;	1418	unsigned long fg, bg;
1102	const char *p;	1419	const char *p;
1103	char **s;	1420	char **s;
1104	XIMStyles *xim_styles;	1421	XIMStyles *xim_styles;
1105	XVaNestedList preedit_attr, status_attr;
1106	XIMCallback ximcallback;
1107		1422
		1423	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1424	return false;
		1425
1108	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1426	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1109	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1427	input_method = display->get_xim (locale, modifiers);
1110	if (xim == NULL)	1428	if (input_method == NULL)
1111	return False;	1429	return false;
1112		1430
		1431	xim = input_method->xim;
		1432	spot.x = spot.y = -1;
		1433
1113	xim_styles = NULL;	1434	xim_styles = NULL;
1114	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1435	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1115	|| !xim_styles || !xim_styles->count_styles) {	1436	|| !xim_styles || !xim_styles->count_styles)
1116	XCloseIM(xim);	1437	{
		1438	im_destroy ();
1117	return False;	1439	return false;
		1440	}
		1441
		1442	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1443
		1444	for (int pi = 0; pi < 2; pi++)
1118	}	1445	{
		1446	p = pet[pi];
1119		1447
1120	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1448	if (!p)
1121	: "OverTheSpot,OffTheSpot,Root";	1449	continue;
		1450
1122	s = rxvt_splitcommastring(p);	1451	s = rxvt_splitcommastring (p);
		1452
1123	for (i = found = 0; !found && s[i]; i++) {	1453	for (i = found = 0; !found && s[i]; i++)
		1454	{
1124	if (!STRCMP(s[i], "OverTheSpot"))	1455	if (!strcmp (s[i], "OverTheSpot"))
1125	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1456	input_style = (XIMPreeditPosition | XIMStatusNothing);
1126	else if (!STRCMP(s[i], "OffTheSpot"))	1457	else if (!strcmp (s[i], "OffTheSpot"))
1127	R->input_style = (XIMPreeditArea | XIMStatusArea);	1458	input_style = (XIMPreeditArea | XIMStatusArea);
1128	else if (!STRCMP(s[i], "Root"))	1459	else if (!strcmp (s[i], "Root"))
1129	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1460	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1461	else if (!strcmp (s[i], "None"))
		1462	input_style = (XIMPreeditNone | XIMStatusNone);
1130		1463
1131	for (j = 0; j < xim_styles->count_styles; j++)	1464	for (j = 0; j < xim_styles->count_styles; j++)
1132	if (R->input_style == xim_styles->supported_styles[j]) {	1465	if (input_style == xim_styles->supported_styles[j])
		1466	{
		1467	rxvt_freecommastring (s);
		1468
1133	found = 1;	1469	found = 1;
		1470	goto foundpet;
		1471	}
		1472
		1473	}
		1474
		1475	rxvt_freecommastring (s);
		1476	}
		1477
		1478	foundpet:
		1479
		1480	XFree (xim_styles);
		1481
		1482	if (!found)
		1483	{
		1484	im_destroy ();
		1485	return false;
		1486	}
		1487
		1488	XFontSet fs = 0;
		1489	XVaNestedList preedit_attr = 0, status_attr = 0;
		1490
		1491	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1492	{
		1493	// fake us a font-set, please
		1494	char **missing_charset_list;
		1495	int missing_charset_count;
		1496	char *def_string;
		1497	char pat[512];
		1498
		1499	sprintf (pat,
		1500	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1501	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1502	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1503	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1504	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1505	"*",
		1506	fheight,
		1507	fheight + 1, fheight - 1,
		1508	fheight - 2, fheight + 2);
		1509
		1510	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1511	&missing_charset_list, &missing_charset_count, &def_string);
		1512
		1513	if (missing_charset_list)
		1514	XFreeStringList (missing_charset_list);
		1515
		1516	if (!fs)
		1517	{
		1518	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1519	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1520	}
		1521	}
		1522
		1523	if (input_style & XIMPreeditPosition)
		1524	{
		1525	im_set_size (rect);
		1526	im_set_position (spot);
		1527	im_set_color (fg, bg);
		1528
		1529	preedit_attr = XVaCreateNestedList (0,
		1530	XNForeground, fg,
		1531	XNBackground, bg,
		1532	XNArea, &rect,
		1533	XNSpotLocation, &spot,
		1534	XNFontSet, fs,
		1535	NULL);
		1536	}
		1537	else if (input_style & XIMPreeditArea)
		1538	{
		1539	im_set_color (fg, bg);
		1540
		1541	/*
		1542	* The necessary width of preedit area is unknown
		1543	* until create input context.
		1544	*/
		1545	needed_rect.width = 0;
		1546	im_set_preedit_area (rect, status_rect, needed_rect);
		1547
		1548	preedit_attr = XVaCreateNestedList (0,
		1549	XNForeground, fg,
		1550	XNBackground, bg,
		1551	XNArea, &rect,
		1552	XNFontSet, fs,
		1553	NULL);
		1554	status_attr = XVaCreateNestedList (0,
		1555	XNForeground, fg,
		1556	XNBackground, bg,
		1557	XNArea, &status_rect,
		1558	XNFontSet, fs,
		1559	NULL);
		1560	}
		1561
		1562	Input_Context = XCreateIC (xim,
		1563	XNInputStyle, input_style,
		1564	XNClientWindow, vt,
		1565	XNFocusWindow, parent[0],
		1566	preedit_attr ? XNPreeditAttributes : NULL,
		1567	preedit_attr,
		1568	status_attr ? XNStatusAttributes : NULL,
		1569	status_attr, NULL);
		1570
		1571	if (preedit_attr) XFree (preedit_attr);
		1572	if (status_attr) XFree (status_attr);
		1573	if (fs) XFreeFontSet (display->display, fs);
		1574
		1575	if (Input_Context == NULL)
		1576	{
		1577	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1578	im_destroy ();
		1579	return false;
		1580	}
		1581
		1582	if (input_style & XIMPreeditArea)
		1583	IMSetStatusPosition ();
		1584
		1585	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
		1586	return true;
		1587	}
		1588
		1589	void
		1590	rxvt_term::im_cb ()
		1591	{
		1592	int i;
		1593	const char *p;
		1594	char **s;
		1595	char buf[IMBUFSIZ];
		1596
		1597	SET_R (this);
		1598
		1599	im_destroy ();
		1600
		1601	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
		1602	if (Input_Context)
		1603	return;
		1604
		1605	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1606	if (rs[Rs_imLocale])
		1607	SET_LOCALE (rs[Rs_imLocale]);
		1608	#endif
		1609
		1610	p = rs[Rs_inputMethod];
		1611	if (p && *p)
		1612	{
		1613	bool found = false;
		1614
		1615	s = rxvt_splitcommastring (p);
		1616
		1617	for (i = 0; s[i]; i++)
		1618	{
		1619	if (*s[i])
		1620	{
		1621	strcpy (buf, "@im=");
		1622	strncat (buf, s[i], IMBUFSIZ - 5);
		1623	if (IM_get_IC (buf))
		1624	{
		1625	found = true;
1134	break;	1626	break;
		1627	}
1135	}	1628	}
1136	}	1629	}
1137	for (i = 0; s[i]; i++)
1138	free(s[i]);
1139	free(s);
1140	XFree(xim_styles);
1141		1630
		1631	rxvt_freecommastring (s);
		1632
1142	if (!found) {	1633	if (found)
1143	XCloseIM(xim);	1634	goto done;
1144	return False;
1145	}	1635	}
1146		1636
1147	ximcallback.callback = rxvt_IMDestroyCallback;	1637	/* try with XMODIFIERS env. var. */
		1638	if (IM_get_IC (""))
		1639	goto done;
1148		1640
1149	/* XXX: not sure why we need this (as well as IC one below) */	1641	/* try with no modifiers base IF the user didn't specify an IM */
1150	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1642	if (IM_get_IC ("@im=none"))
		1643	goto done;
1151		1644
1152	preedit_attr = status_attr = NULL;	1645	done:
1153		1646	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1154	if (R->input_style & XIMPreeditPosition) {	1647	if (rs[Rs_imLocale])
1155	rxvt_setSize(aR_ & rect);	1648	SET_LOCALE (locale);
1156	rxvt_setPosition(aR_ & spot);	1649	#endif
1157	rxvt_setColor(aR_ & fg, &bg);
1158
1159	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1160	XNSpotLocation, &spot,
1161	XNForeground, fg, XNBackground, bg,
1162	//XNFontSet, R->TermWin.fontset,
1163	NULL);
1164	} else if (R->input_style & XIMPreeditArea) {
1165	rxvt_setColor(aR_ & fg, &bg);
1166
1167	/*
1168	* The necessary width of preedit area is unknown
1169	* until create input context.
1170	*/
1171	needed_rect.width = 0;
1172
1173	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1174
1175	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1176	XNForeground, fg, XNBackground, bg,
1177	//XNFontSet, R->TermWin.fontset,
1178	NULL);
1179	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1180	XNForeground, fg, XNBackground, bg,
1181	//XNFontSet, R->TermWin.fontset,
1182	NULL);
1183	}
1184	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1185	XNClientWindow, R->TermWin.parent[0],
1186	XNFocusWindow, R->TermWin.parent[0],
1187	XNDestroyCallback, &ximcallback,
1188	preedit_attr ? XNPreeditAttributes : NULL,
1189	preedit_attr,
1190	status_attr ? XNStatusAttributes : NULL,
1191	status_attr, NULL);
1192	if (preedit_attr)
1193	XFree(preedit_attr);
1194	if (status_attr)
1195	XFree(status_attr);
1196	if (R->Input_Context == NULL) {
1197	rxvt_print_error("failed to create input context");
1198	XCloseIM(xim);
1199	return False;
1200	}
1201	if (R->input_style & XIMPreeditArea)
1202	rxvt_IMSetStatusPosition(aR);
1203	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1204	return True;
1205	}	1650	}
1206		1651
1207	/* EXTPROTO */
1208	void	1652	void
1209	rxvt_IMSetStatusPosition(pR)	1653	rxvt_term::IMSetStatusPosition ()
1210	{	1654	{
1211	XRectangle preedit_rect, status_rect, *needed_rect;	1655	XRectangle preedit_rect, status_rect, *needed_rect;
1212	XVaNestedList preedit_attr, status_attr;	1656	XVaNestedList preedit_attr, status_attr;
1213		1657
1214	if (R->Input_Context == NULL	1658	if (!Input_Context
		1659	|| !focus
1215	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1660	|| !(input_style & XIMPreeditArea)
1216	|| !rxvt_IMisRunning(aR))	1661	|| !IMisRunning ())
1217	return;	1662	return;
1218		1663
1219	/* Getting the necessary width of preedit area */	1664	/* Getting the necessary width of preedit area */
1220	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1665	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1221	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1666	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1222	XFree(status_attr);	1667	XFree (status_attr);
1223		1668
1224	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1669	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1670	XFree (needed_rect);
1225		1671
1226	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1672	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1227	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1673	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1228		1674
1229	XSetICValues(R->Input_Context,	1675	XSetICValues (Input_Context,
1230	XNPreeditAttributes, preedit_attr,	1676	XNPreeditAttributes, preedit_attr,
1231	XNStatusAttributes, status_attr, NULL);	1677	XNStatusAttributes, status_attr, NULL);
1232		1678
1233	XFree(preedit_attr);	1679	XFree (preedit_attr);
1234	XFree(status_attr);	1680	XFree (status_attr);
1235	}	1681	}
1236	#endif /* USE_XIM */	1682	#endif /* USE_XIM */
1237		1683
1238	/*----------------------------------------------------------------------*/	1684	/*----------------------------------------------------------------------*/
1239	rxvt_t rxvt_current_term;	1685	rxvt_t rxvt_current_term;

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