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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 1.122 by root, Wed Dec 15 00:53:23 2004 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.
…		…
42		42
43	#ifdef HAVE_TERMIOS_H	43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	44	# include <termios.h>
45	#endif	45	#endif
46		46
		47	#include <cstring>
		48
		49	vector<rxvt_term *> rxvt_term::termlist;
		50
		51	static char curlocale[128];
		52
		53	bool
		54	rxvt_set_locale (const char *locale)
		55	{
		56	if (!locale || !strncmp (locale, curlocale, 128))
		57	return false;
		58
		59	strncpy (curlocale, locale, 128);
		60	setlocale (LC_CTYPE, curlocale);
		61	return true;
		62	}
		63
		64	#if ENABLE_COMBINING
		65	class rxvt_composite_vec rxvt_composite;
		66
		67	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		68	{
		69	compose_char *cc;
		70
		71	// break compose chains, as stupid readline really likes to duplicate
		72	// composing characters for some reason near the end of a line.
		73	cc = (*this)[c1];
		74	while (cc)
		75	{
		76	if (cc->c2 == c2) return c1;
		77	cc = (*this)[cc->c1];
		78	}
		79
		80	// check to see wether this combination already exists otherwise
		81	for (cc = v.end (); cc-- > v.begin (); )
		82	{
		83	if (cc->c1 == c1 && cc->c2 == c2)
		84	return COMPOSE_LO + (cc - v.begin ());
		85	}
		86
		87	// allocate a new combination
		88	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		89	{
		90	static int seen;
		91
		92	if (!seen++)
		93	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		94
		95	return REPLACEMENT_CHAR;
		96	}
		97
		98	v.push_back (compose_char (c1, c2));
		99
		100	return v.size () - 1 + COMPOSE_LO;
		101	}
		102
		103	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		104	{
		105	compose_char *cc = (*this)[c];
		106
		107	if (!cc)
		108	{
		109	if (r) *r = c;
		110	return 1;
		111	}
		112
		113	int len = expand (cc->c1, r);
		114
		115	if (r) r += len;
		116
		117	if (cc->c2 != NOCHAR)
		118	{
		119	len++;
		120	if (r) *r++ = cc->c2;
		121	}
		122
		123	return len;
		124
		125	}
		126	#endif
		127
47	rxvt_term::rxvt_term()	128	rxvt_term::rxvt_term ()
		129	:
		130	#if TRANSPARENT
		131	rootwin_ev (this, &rxvt_term::rootwin_cb),
		132	#endif
		133	#ifdef HAVE_SCROLLBARS
		134	scrollbar_ev (this, &rxvt_term::x_cb),
		135	#endif
		136	#ifdef MENUBAR
		137	menubar_ev (this, &rxvt_term::x_cb),
		138	#endif
		139	#ifdef CURSOR_BLINK
		140	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		141	#endif
		142	#ifdef TEXT_BLINK
		143	text_blink_ev (this, &rxvt_term::text_blink_cb),
		144	#endif
		145	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		146	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		147	#endif
		148	#ifdef SELECTION_SCROLLING
		149	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		150	#endif
		151	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		152	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
		153	#endif
		154	#ifdef POINTER_BLANK
		155	pointer_ev (this, &rxvt_term::pointer_cb),
		156	#endif
		157	#ifdef USE_XIM
		158	im_ev (this, &rxvt_term::im_cb),
		159	#endif
		160	sw_term (this, &rxvt_term::sig_term),
		161	sw_chld (this, &rxvt_term::sig_chld),
		162	termwin_ev (this, &rxvt_term::x_cb),
		163	vt_ev (this, &rxvt_term::x_cb),
		164	check_ev (this, &rxvt_term::check_cb),
		165	flush_ev (this, &rxvt_term::flush_cb),
		166	destroy_ev (this, &rxvt_term::destroy_cb),
48	: pty_ev(this, &rxvt_term::pty_cb),	167	pty_ev (this, &rxvt_term::pty_cb),
49	x_ev (this, &rxvt_term::x_cb)	168	incr_ev (this, &rxvt_term::incr_cb)
50	{	169	{
51	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	170	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
52	}
53		171
		172	termlist.push_back (this);
		173	}
		174
		175	rxvt_term::~rxvt_term ()
		176	{
		177	termlist.erase (find (termlist.begin (), termlist.end(), this));
		178
		179	if (cmd_pid)
		180	kill (-cmd_pid, SIGHUP);
		181
		182	pty.put ();
		183
		184	#ifdef UTMP_SUPPORT
		185	privileged_utmp (RESTORE);
		186	#endif
		187
		188	#if ENABLE_STYLES
		189	for (int i = RS_styleCount; --i; )
		190	if (TermWin.fontset[i] != TermWin.fontset[0])
		191	delete TermWin.fontset[i];
		192	#endif
		193	delete TermWin.fontset[0];
		194
		195	if (display)
		196	{
		197	selection_clear ();
		198
		199	#ifdef USE_XIM
		200	im_destroy ();
		201	#endif
		202	#ifdef MENUBAR
		203	if (menubarGC) XFreeGC (display->display, menubarGC);
		204	#endif
		205	#ifdef XTERM_SCROLLBAR
		206	if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC);
		207	if (ShadowGC) XFreeGC (display->display, ShadowGC);
		208	#endif
		209	#ifdef PLAIN_SCROLLBAR
		210	if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC);
		211	#endif
		212	#ifdef NEXT_SCROLLBAR
		213	if (blackGC) XFreeGC (display->display, blackGC);
		214	if (whiteGC) XFreeGC (display->display, whiteGC);
		215	if (grayGC) XFreeGC (display->display, grayGC);
		216	if (darkGC) XFreeGC (display->display, darkGC);
		217	if (stippleGC) XFreeGC (display->display, stippleGC);
		218	if (dimple) XFreePixmap (display->display, dimple);
		219	if (upArrow) XFreePixmap (display->display, upArrow);
		220	if (downArrow) XFreePixmap (display->display, downArrow);
		221	if (upArrowHi) XFreePixmap (display->display, upArrowHi);
		222	if (downArrowHi) XFreePixmap (display->display, downArrowHi);
		223	#endif
		224	#if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
		225	if (topShadowGC) XFreeGC (display->display, topShadowGC);
		226	if (botShadowGC) XFreeGC (display->display, botShadowGC);
		227	if (scrollbarGC) XFreeGC (display->display, scrollbarGC);
		228	#endif
		229	if (TermWin.gc) XFreeGC (display->display, TermWin.gc);
		230
		231	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
		232	delete menuBar.drawable;
		233	//if (menuBar.win)
		234	// XDestroyWindow (display->display, menuBar.win);
		235	#endif
		236	delete TermWin.drawable;
		237	// destroy all windows
		238	if (TermWin.parent[0])
		239	XDestroyWindow (display->display, TermWin.parent[0]);
		240	}
		241
		242	// TODO: free pixcolours, colours should become part of rxvt_display
		243
		244	delete pix_colors_focused;
		245	#ifdef OFF_FOCUS_FADING
		246	delete pix_colors_unfocused;
		247	#endif
		248
		249	displays.put (display);
		250
		251	scr_release ();
		252
		253	/* clear all resources */
		254	for (int i = 0; i < allocated.size (); i++)
		255	free (allocated[i]);
		256
		257	free (selection.text);
		258	// TODO: manage env vars in child only(!)
		259	free (env_windowid);
		260	free (env_display);
		261	free (env_term);
		262	free (env_colorfgbg);
		263	free (locale);
		264	free (v_buffer);
		265	free (incr_buf);
		266
		267	delete envv;
		268	delete argv;
		269	}
		270
54	void *	271	void
55	rxvt_term::operator new (size_t s)	272	rxvt_term::destroy ()
56	{	273	{
57	void *p = malloc (s);	274	if (destroy_ev.active)
58
59	MEMSET (p, 0, s);
60	return p;	275	return;
61	}
62		276
		277	#if ENABLE_OVERLAY
		278	scr_overlay_off ();
		279	#endif
		280
		281	if (display)
		282	{
		283	#if USE_XIM
		284	im_ev.stop (display);
		285	#endif
		286	#if HAVE_SCROLLBARS
		287	scrollbar_ev.stop (display);
		288	#endif
		289	#if MENUBAR
		290	menubar_ev.stop (display);
		291	#endif
		292	#if TRANSPARENT
		293	rootwin_ev.stop (display);
		294	#endif
		295	incr_ev.stop ();
		296	termwin_ev.stop (display);
		297	vt_ev.stop (display);
		298	}
		299
		300	check_ev.stop ();
		301	pty_ev.stop ();
		302	#ifdef CURSOR_BLINK
		303	cursor_blink_ev.stop ();
		304	#endif
		305	#ifdef TEXT_BLINK
		306	text_blink_ev.stop ();
		307	#endif
		308	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		309	cont_scroll_ev.stop ();
		310	#endif
		311	#ifdef SELECTION_SCROLLING
		312	sel_scroll_ev.stop ();
		313	#endif
		314	#ifdef POINTER_BLANK
		315	pointer_ev.stop ();
		316	#endif
		317
		318	destroy_ev.start (0);
		319	}
		320
63	void	321	void
64	rxvt_term::operator delete (void *p, size_t s)	322	rxvt_term::destroy_cb (time_watcher &w)
65	{	323	{
66	free (p);	324	SET_R (this);
		325
		326	delete this;
67	}	327	}
68		328
69	/*----------------------------------------------------------------------*/	329	/*----------------------------------------------------------------------*/
70	/* rxvt_init() */	330	/* rxvt_init () */
71	/* LIBPROTO */	331	bool
72	rxvt_t
73	rxvt_init(int argc, const char *const *argv)	332	rxvt_term::init (int argc, const char *const *argv)
74	{	333	{
75	const char **cmd_argv;	334	SET_R (this);
76		335
77	SET_R(new rxvt_term);	336	if (!init_vars ())
78	dR;	337	return false;
79		338
80	if (rxvt_init_vars(aR) < 0)
81	{
82	free(R);
83	return NULL;
84	}
85
86	/*
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);	339	init_secondary ();
97		340
98	cmd_argv = rxvt_init_resources(aR_ argc, argv);	341	const char **cmd_argv = init_resources (argc, argv);
99		342
100	R->x_ev.start (ConnectionNumber (R->Xdisplay), EVENT_READ);	343	set_locale ("");
101		344
		345	#if MENUBAR_MAX
		346	menubar_read (rs[Rs_menu]);
		347	#endif
		348	#ifdef HAVE_SCROLLBARS
		349	if (options & Opt_scrollBar)
		350	scrollBar.setIdle (); /* set existence for size calculations */
		351	#endif
		352
		353	create_windows (argc, argv);
		354
		355	init_xlocale ();
		356
		357	scr_reset (); /* initialize screen */
		358
		359	#if 0
		360	XSynchronize (display->display, True);
		361	#endif
		362
		363	#ifdef HAVE_SCROLLBARS
		364	if (options & Opt_scrollBar)
		365	resize_scrollbar (); /* create and map scrollbar */
		366	#endif
102	#if (MENUBAR_MAX)	367	#if (MENUBAR_MAX)
103	rxvt_menubar_read(aR_ R->rs[Rs_menu]);
104	#endif
105	#ifdef HAVE_SCROLLBARS
106	if (R->Options & Opt_scrollBar)
107	scrollbar_setIdle(); /* set existence for size calculations */
108	#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)
133	if (menubar_visible(r))	368	if (menubar_visible ())
134	XMapWindow(R->Xdisplay, R->menuBar.win);	369	XMapWindow (display->display, menuBar.win);
135	#endif	370	#endif
136	#ifdef TRANSPARENT	371	#ifdef TRANSPARENT
137	if (R->Options & Opt_transparent)	372	if (options & Opt_transparent)
138	{	373	{
139	XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);	374	XSelectInput (display->display, display->root, PropertyChangeMask);
140	rxvt_check_our_parents(aR);	375	check_our_parents ();
		376	rootwin_ev.start (display, display->root);
141	}	377	}
142	#endif	378	#endif
		379
143	XMapWindow(R->Xdisplay, R->TermWin.vt);	380	XMapWindow (display->display, TermWin.vt);
144	XMapWindow(R->Xdisplay, R->TermWin.parent[0]);	381	XMapWindow (display->display, TermWin.parent[0]);
145		382
146	rxvt_init_env(aR);	383	set_colorfgbg ();
		384
147	rxvt_init_command(aR_ cmd_argv);	385	init_command (cmd_argv);
148		386
149	R->pty_ev.start (R->cmd_fd, EVENT_READ);	387	pty_ev.start (pty.pty, EVENT_READ);
150		388
151	return R;	389	check_ev.start ();
		390
		391	return true;
		392	}
		393
		394	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
		395
		396	void
		397	rxvt_init ()
		398	{
		399	/*
		400	* Save and then give up any super-user privileges
		401	* If we need privileges in any area then we must specifically request it.
		402	* We should only need to be root in these cases:
		403	* 1. write utmp entries on some systems
		404	* 2. chown tty on some systems
		405	*/
		406	rxvt_privileges (SAVE);
		407	rxvt_privileges (IGNORE);
		408
		409	signal (SIGHUP, SIG_IGN);
		410	signal (SIGPIPE, SIG_IGN);
		411
		412	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		413	/* signal (SIGURG, SIG_DFL); */
		414
		415	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		416	// TODO: handle this with exceptions and tolerate the memory loss
		417	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
152	}	418	}
153		419
154	/* ------------------------------------------------------------------------- *	420	/* ------------------------------------------------------------------------- *
155	* SIGNAL HANDLING & EXIT HANDLER *	421	* SIGNAL HANDLING & EXIT HANDLER *
156	* ------------------------------------------------------------------------- */	422	* ------------------------------------------------------------------------- */
157	/*	423	/*
158	* Catch a SIGCHLD signal and exit if the direct child has died	424	* Catch a SIGCHLD signal and exit if the direct child has died
159	*/	425	*/
160	/* ARGSUSED */
161	/* EXTPROTO */
162	RETSIGTYPE
163	rxvt_Child_signal(int sig __attribute__ ((unused)))
164	{
165	dR;
166	int pid, save_errno = errno;
167		426
168	do {	427	void
169	errno = 0;	428	rxvt_term::sig_chld (sig_watcher &w)
170	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);	429	{
		430	// we are being called for every SIGCHLD, not just ours
		431	int pid;
171		432
		433	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
		434	for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
172	if (pid == R->cmd_pid)	435	if (pid == (*t)->cmd_pid)
173	exit(EXIT_SUCCESS);	436	{
174		437	(*t)->destroy ();
175	errno = save_errno;	438	break;
176	signal(SIGCHLD, rxvt_Child_signal);	439	}
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
190	rxvt_clean_exit();
191	kill(getpid(), sig);
192	}
193
194	/* ARGSUSED */
195	/* INTPROTO */
196	int
197	rxvt_xerror_handler(const Display * display
198	__attribute__ ((unused)), const XErrorEvent * event)
199	{
200	dR;
201
202	if (R->allowedxerror == -1) {
203	R->allowedxerror = event->error_code;
204	return 0; /* ignored anyway */
205	}
206	rxvt_print_error("XError: Request: %d . %d, Error: %d",
207	event->request_code, event->minor_code,
208	event->error_code);
209	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
210	exit(EXIT_FAILURE);
211	/* NOTREACHED */
212	}	440	}
213		441
214	/*----------------------------------------------------------------------*/	442	/*----------------------------------------------------------------------*/
215	/*	443	/*
216	* Exit gracefully, clearing the utmp entry and restoring tty attributes	444	* Exit gracefully, clearing the utmp entry and restoring tty attributes
217	* TODO: if debugging, this should free up any known resources if we can	445	* TODO: if debugging, this should free up any known resources if we can
218	*/	446	*/
		447	void
		448	rxvt_destroy_all ()
		449	{
		450	// TODO: rxvtd should clean up all ressources
		451	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		452	(*t)->destroy ();
		453	}
		454
		455	/*
		456	* Catch a fatal signal and tidy up before quitting
		457	*/
		458	void
		459	rxvt_term::sig_term (sig_watcher &w)
		460	{
		461	#ifdef DEBUG_CMD
		462	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		463	#endif
		464	rxvt_destroy_all ();
		465	signal (w.signum, SIG_DFL);
		466	kill (getpid (), w.signum);
		467	}
		468
219	/* EXTPROTO */	469	/* INTPROTO */
220	void	470	int
221	rxvt_clean_exit(void)	471	rxvt_xerror_handler (Display *display, XErrorEvent *event)
222	{	472	{
223	dR;	473	if (GET_R->allowedxerror == -1)
224		474	GET_R->allowedxerror = event->error_code;
225	#ifdef DEBUG_SCREEN	475	else
226	rxvt_scr_release(aR);
227	#endif
228	#ifndef NO_SETOWNER_TTYDEV
229	rxvt_privileged_ttydev(aR_ RESTORE);
230	#endif
231	#ifdef UTMP_SUPPORT
232	rxvt_privileged_utmp(aR_ RESTORE);
233	#endif
234	#ifdef USE_XIM
235	if (R->Input_Context != NULL) {
236	XDestroyIC(R->Input_Context);
237	R->Input_Context = NULL;
238	}	476	{
239	#endif	477	old_xerror_handler (display, event);
		478	GET_R->destroy ();
		479	}
		480
		481	return 0;
240	}	482	}
241		483
242	/* ------------------------------------------------------------------------- *	484	/* ------------------------------------------------------------------------- *
243	* MEMORY ALLOCATION WRAPPERS *	485	* MEMORY ALLOCATION WRAPPERS *
244	* ------------------------------------------------------------------------- */	486	* ------------------------------------------------------------------------- */
		487	void *
		488	rxvt_malloc (size_t size)
		489	{
		490	void *p = malloc (size);
		491
		492	if (!p)
		493	rxvt_fatal ("memory allocation failure. aborting.\n");
		494
		495	return p;
		496	}
		497
245	/* EXTPROTO */	498	/* INTPROTO */
246	void *	499	void *
247	rxvt_malloc(size_t size)	500	rxvt_calloc (size_t number, size_t size)
248	{	501	{
249	void *p;	502	void *p = calloc (number, size);
250		503
251	p = malloc(size);
252	if (p)	504	if (!p)
		505	rxvt_fatal ("memory allocation failure. aborting.\n");
		506
253	return p;	507	return p;
254
255	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
256	rxvt_clean_exit();
257	exit(EXIT_FAILURE);
258	/* NOTREACHED */
259	}	508	}
260		509
261	/* EXTPROTO */	510	/* INTPROTO */
262	void *	511	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)	512	rxvt_realloc (void *ptr, size_t size)
280	{	513	{
281	void *p;
282
283	if (ptr)
284	p = realloc(ptr, size);	514	void *p = realloc (ptr, size);
285	else	515
286	p = malloc(size);
287	if (p)	516	if (!p)
		517	rxvt_fatal ("memory allocation failure. aborting.\n");
		518
288	return p;	519	return p;
289
290	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
291	rxvt_clean_exit();
292	exit(EXIT_FAILURE);
293	/* NOTREACHED */
294	}	520	}
295		521
296	/* ------------------------------------------------------------------------- *	522	/* ------------------------------------------------------------------------- *
297	* PRIVILEGED OPERATIONS *	523	* PRIVILEGED OPERATIONS *
298	* ------------------------------------------------------------------------- */	524	* ------------------------------------------------------------------------- */
299	/* take care of suid/sgid super-user (root) privileges */	525	/* take care of suid/sgid super-user (root) privileges */
300	/* INTPROTO */
301	void	526	void
302	rxvt_privileges(pR_ int mode)	527	rxvt_privileges (rxvt_privaction action)
303	{	528	{
		529	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
		530	static uid_t euid;
		531	static gid_t egid;
		532	#endif
		533
304	#if ! defined(__CYGWIN32__)	534	#if ! defined(__CYGWIN32__)
305	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	535	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
306	/* setreuid() is the poor man's setuid(), seteuid() */	536	/* setreuid () is the poor man's setuid (), seteuid () */
307	# define seteuid(a) setreuid(-1, (a))	537	# define seteuid(a) setreuid(-1, (a))
308	# define setegid(a) setregid(-1, (a))	538	# define setegid(a) setregid(-1, (a))
309	# define HAVE_SETEUID	539	# define HAVE_SETEUID
310	# endif	540	# endif
311	# ifdef HAVE_SETEUID	541	# ifdef HAVE_SETEUID
312	switch (mode) {	542	switch (action)
		543	{
313	case IGNORE:	544	case IGNORE:
314	/*	545	/*
315	* change effective uid/gid - not real uid/gid - so we can switch	546	* change effective uid/gid - not real uid/gid - so we can switch
316	* back to root later, as required	547	* back to root later, as required
317	*/	548	*/
318	seteuid(getuid());	549	seteuid (getuid ());
319	setegid(getgid());	550	setegid (getgid ());
320	break;	551	break;
321	case SAVE:	552	case SAVE:
322	R->euid = geteuid();	553	euid = geteuid ();
323	R->egid = getegid();	554	egid = getegid ();
324	break;	555	break;
325	case RESTORE:	556	case RESTORE:
326	seteuid(R->euid);	557	seteuid (euid);
327	setegid(R->egid);	558	setegid (egid);
328	break;	559	break;
329	}	560	}
330	# else	561	# else
331	switch (mode) {	562	switch (action)
		563	{
332	case IGNORE:	564	case IGNORE:
333	setuid(getuid());	565	setuid (getuid ());
334	setgid(getgid());	566	setgid (getgid ());
335	/* FALLTHROUGH */	567	/* FALLTHROUGH */
336	case SAVE:	568	case SAVE:
337	/* FALLTHROUGH */	569	/* FALLTHROUGH */
338	case RESTORE:	570	case RESTORE:
339	break;	571	break;
340	}	572	}
341	# endif	573	# endif
342	#endif	574	#endif
343	}	575	}
344		576
345	#ifdef UTMP_SUPPORT	577	#ifdef UTMP_SUPPORT
346	/* EXTPROTO */
347	void	578	void
348	rxvt_privileged_utmp(pR_ char action)	579	rxvt_term::privileged_utmp (rxvt_privaction action)
349	{	580	{
350	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
351	action, R->next_utmp_action, getpid()));
352	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
353	|| (R->Options & Opt_utmpInhibit)	581	if ((options & Opt_utmpInhibit)
354	|| R->ttydev == NULL || *R->ttydev == '\0')	582	|| !pty.name || !*pty.name)
355	return;	583	return;
356		584
357	rxvt_privileges(aR_ RESTORE);	585	rxvt_privileges (RESTORE);
		586
358	if (action == SAVE) {	587	if (action == SAVE)
359	R->next_utmp_action = RESTORE;	588	makeutent (pty.name, rs[Rs_display_name]);
360	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	589	else
361	} else { /* action == RESTORE */	590	cleanutent ();
362	R->next_utmp_action = IGNORE;	591
363	rxvt_cleanutent(aR);
364	}
365	rxvt_privileges(aR_ IGNORE);	592	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	}	593	}
421	#endif	594	#endif
422		595
423	/*----------------------------------------------------------------------*/	596	/*----------------------------------------------------------------------*/
424	/*	597	/*
425	* window size/position calculcations for XSizeHint and other storage.	598	* window size/position calculcations for XSizeHint and other storage.
426	* if width/height are non-zero then override calculated width/height	599	* if width/height are non-zero then override calculated width/height
427	*/	600	*/
428	/* EXTPROTO */
429	void	601	void
430	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	602	rxvt_term::window_calc (unsigned int width, unsigned int height)
431	{	603	{
432	short recalc_x, recalc_y;	604	short recalc_x, recalc_y;
433	int x, y, sb_w, mb_h, flags;	605	int x, y, sb_w, mb_h, flags;
434	unsigned int w, h;	606	unsigned int w, h;
435	unsigned int max_width, max_height;	607	unsigned int max_width, max_height;
436		608
437	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	609	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
438	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	610	TermWin.ncol, TermWin.nrow, szHint.width,
439	R->szHint.height));	611	szHint.height));
440	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	612	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
441	R->szHint.win_gravity = NorthWestGravity;	613	szHint.win_gravity = NorthWestGravity;
442	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	614	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
443		615
444	recalc_x = recalc_y = 0;	616	recalc_x = recalc_y = 0;
445	flags = 0;	617	flags = 0;
446	if (!R->parsed_geometry) {	618	if (!parsed_geometry)
		619	{
447	R->parsed_geometry = 1;	620	parsed_geometry = 1;
448	if (R->rs[Rs_geometry])	621	if (rs[Rs_geometry])
449	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	622	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
450	if (flags & WidthValue) {	623	if (flags & WidthValue)
		624	{
451	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	625	TermWin.ncol = BOUND_POSITIVE_INT16 (w);
452	R->szHint.flags |= USSize;	626	szHint.flags |= USSize;
453	}	627	}
454	if (flags & HeightValue) {	628	if (flags & HeightValue)
		629	{
455	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	630	TermWin.nrow = BOUND_POSITIVE_INT16 (h);
456	R->szHint.flags |= USSize;	631	szHint.flags |= USSize;
457	}	632	}
458	if (flags & XValue) {	633	if (flags & XValue)
		634	{
459	R->szHint.x = x;	635	szHint.x = x;
460	R->szHint.flags |= USPosition;	636	szHint.flags |= USPosition;
461	if (flags & XNegative) {	637	if (flags & XNegative)
		638	{
462	recalc_x = 1;	639	recalc_x = 1;
463	R->szHint.win_gravity = NorthEastGravity;	640	szHint.win_gravity = NorthEastGravity;
464	}	641	}
465	}	642	}
466	if (flags & YValue) {	643	if (flags & YValue)
		644	{
467	R->szHint.y = y;	645	szHint.y = y;
468	R->szHint.flags |= USPosition;	646	szHint.flags |= USPosition;
469	if (flags & YNegative) {	647	if (flags & YNegative)
		648	{
470	recalc_y = 1;	649	recalc_y = 1;
471	if (R->szHint.win_gravity == NorthEastGravity)	650	if (szHint.win_gravity == NorthEastGravity)
472	R->szHint.win_gravity = SouthEastGravity;	651	szHint.win_gravity = SouthEastGravity;
473	else	652	else
474	R->szHint.win_gravity = SouthWestGravity;	653	szHint.win_gravity = SouthWestGravity;
475	}	654	}
476	}	655	}
477	}	656	}
		657
478	/* TODO: BOUNDS */	658	/* TODO: BOUNDS */
479	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	659	TermWin.width = TermWin.ncol * TermWin.fwidth;
480	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	660	TermWin.height = TermWin.nrow * TermWin.fheight;
481	max_width = MAX_COLS * R->TermWin.fwidth;	661	max_width = MAX_COLS * TermWin.fwidth;
482	max_height = MAX_ROWS * R->TermWin.fheight;	662	max_height = MAX_ROWS * TermWin.fheight;
483		663
484	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	664	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;
485		665
486	sb_w = mb_h = 0;	666	sb_w = mb_h = 0;
487	R->window_vt_x = R->window_vt_y = 0;	667	window_vt_x = window_vt_y = TermWin.int_bwidth;
		668
488	if (scrollbar_visible(R)) {	669	if (scrollbar_visible ())
		670	{
489	sb_w = scrollbar_TotalWidth();	671	sb_w = scrollbar_TotalWidth ();
490	R->szHint.base_width += sb_w;	672	szHint.base_width += sb_w;
491	if (!(R->Options & Opt_scrollBar_right))	673	if (!(options & Opt_scrollBar_right))
492	R->window_vt_x = sb_w;	674	window_vt_x += sb_w;
493	}	675	}
		676
494	if (menubar_visible(R)) {	677	if (menubar_visible ())
		678	{
495	mb_h = menuBar_TotalHeight();	679	mb_h = menuBar_TotalHeight ();
496	R->szHint.base_height += mb_h;	680	szHint.base_height += mb_h;
497	R->window_vt_y = mb_h;	681	window_vt_y += mb_h;
498	}	682	}
		683
499	R->szHint.width_inc = R->TermWin.fwidth;	684	szHint.width_inc = TermWin.fwidth;
500	R->szHint.height_inc = R->TermWin.fheight;	685	szHint.height_inc = TermWin.fheight;
501	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	686	szHint.min_width = szHint.base_width + szHint.width_inc;
502	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	687	szHint.min_height = szHint.base_height + szHint.height_inc;
503		688
504	if (width && width - R->szHint.base_width < max_width) {	689	if (width && width - szHint.base_width < max_width)
		690	{
505	R->szHint.width = width;	691	szHint.width = width;
506	R->TermWin.width = width - R->szHint.base_width;	692	TermWin.width = width - szHint.base_width;
507	} else {	693	}
		694	else
		695	{
508	MIN_IT(R->TermWin.width, max_width);	696	MIN_IT (TermWin.width, max_width);
509	R->szHint.width = R->szHint.base_width + R->TermWin.width;	697	szHint.width = szHint.base_width + TermWin.width;
510	}	698	}
		699
511	if (height && height - R->szHint.base_height < max_height) {	700	if (height && height - szHint.base_height < max_height)
		701	{
512	R->szHint.height = height;	702	szHint.height = height;
513	R->TermWin.height = height - R->szHint.base_height;	703	TermWin.height = height - szHint.base_height;
514	} else {	704	}
		705	else
		706	{
515	MIN_IT(R->TermWin.height, max_height);	707	MIN_IT (TermWin.height, max_height);
516	R->szHint.height = R->szHint.base_height + R->TermWin.height;	708	szHint.height = szHint.base_height + TermWin.height;
517	}	709	}
		710
518	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	711	if (scrollbar_visible () && (options & Opt_scrollBar_right))
519	R->window_sb_x = R->szHint.width - sb_w;	712	window_sb_x = szHint.width - sb_w;
520		713
521	if (recalc_x)	714	if (recalc_x)
522	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	715	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))
523	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	716	- szHint.width - 2 * TermWin.ext_bwidth);
524	if (recalc_y)	717	if (recalc_y)
525	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	718	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))
526	- R->szHint.height - 2 * R->TermWin.ext_bwidth);	719	- szHint.height - 2 * TermWin.ext_bwidth);
527		720
528	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	721	TermWin.ncol = TermWin.width / TermWin.fwidth;
529	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	722	TermWin.nrow = TermWin.height / TermWin.fheight;
530	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	723	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
531	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	724	TermWin.ncol, TermWin.nrow, szHint.width,
532	R->szHint.height));	725	szHint.height));
533	return;	726	return;
534	}	727	}
535		728
536	/*----------------------------------------------------------------------*/	729	/*----------------------------------------------------------------------*/
537	/*	730	/*
538	* Tell the teletype handler what size the window is.	731	* Tell the teletype handler what size the window is.
539	* Called after a window size change.	732	* Called after a window size change.
540	*/	733	*/
541	/* EXTPROTO */
542	void	734	void
543	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	735	rxvt_term::tt_winch ()
544	{	736	{
		737	if (pty.pty < 0)
		738	return;
		739
545	struct winsize ws;	740	struct winsize ws;
546		741
547	if (fd < 0)
548	return;
549	ws.ws_col = col;	742	ws.ws_col = TermWin.ncol;
550	ws.ws_row = row;	743	ws.ws_row = TermWin.nrow;
551	ws.ws_xpixel = ws.ws_ypixel = 0;	744	ws.ws_xpixel = TermWin.width;
552	#ifndef DEBUG_SIZE	745	ws.ws_ypixel = TermWin.height;
553	(void)ioctl(fd, TIOCSWINSZ, &ws);	746	(void)ioctl (pty.pty, TIOCSWINSZ, &ws);
554	#else	747
555	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	748	#if 0
556	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	749	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
557	}
558	# ifdef SIGWINCH
559	else if (pid) /* force through to the command */	750	if (cmd_pid) /* force through to the command */
560	kill(pid, SIGWINCH);	751	kill (cmd_pid, SIGWINCH);
561	# endif
562	#endif	752	#endif
563	}	753	}
564		754
565	/*----------------------------------------------------------------------*/	755	/*----------------------------------------------------------------------*/
566	/* rxvt_change_font() - Switch to a new font */	756	/* set_fonts () - load and set the various fonts
567	/*	757	/*
568	* init = 1 - initialize	758	* init = 1 - initialize
569	*	759	*
570	* fontname == FONT_UP - switch to bigger font	760	* fontname == FONT_UP - switch to bigger font
571	* fontname == FONT_DN - switch to smaller font	761	* fontname == FONT_DN - switch to smaller font
572	*/	762	*/
573	/* EXTPROTO */	763	bool
574	void	764	rxvt_term::set_fonts ()
575	rxvt_change_font(pR_ int init, const char *fontname)
576	{	765	{
577	}	766	rxvt_fontset *fs = new rxvt_fontset (this);
		767	rxvt_fontprop prop;
578		768
579	/* INTPROTO */	769	if (!fs
580	void	770	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
581	rxvt_font_up_down(pR_ int n, int direction)	771	|| !fs->realize_font (1))
		772	{
		773	delete fs;
		774	return false;
		775	}
		776
		777	#if ENABLE_STYLES
		778	for (int i = RS_styleCount; --i; )
		779	if (TermWin.fontset[i] != TermWin.fontset[0])
		780	delete TermWin.fontset[i];
		781	#endif
		782
		783	delete TermWin.fontset[0];
		784	TermWin.fontset[0] = fs;
		785
		786	prop = (*fs)[1]->properties ();
		787	fs->set_prop (prop);
		788
		789	TermWin.fwidth = prop.width;
		790	TermWin.fheight = prop.height;
		791	TermWin.fweight = prop.weight;
		792	TermWin.fslant = prop.slant;
		793	TermWin.fbase = (*fs)[1]->ascent;
		794
		795	for (int style = 1; style < 4; style++)
		796	{
		797	#if ENABLE_STYLES
		798	const char *res = rs[Rs_font + style];
		799
		800	if (res && !*res)
		801	TermWin.fontset[style] = TermWin.fontset[0];
		802	else
		803	{
		804	TermWin.fontset[style] = fs = new rxvt_fontset (this);
		805	rxvt_fontprop prop2 = prop;
		806
		807	if (res)
		808	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		809	else
		810	{
		811	res = TermWin.fontset[0]->fontdesc;
		812
		813	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		814	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		815	}
		816
		817	fs->populate (res);
		818	fs->set_prop (prop2);
		819	}
		820	#else
		821	TermWin.fontset[style] = TermWin.fontset[0];
		822	#endif
		823	}
		824
		825	if (TermWin.parent[0])
		826	{
		827	resize_all_windows (0, 0, 0);
		828	scr_remap_chars ();
		829	scr_touch (true);
		830	}
		831
		832	return true;
		833	}
		834
		835	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
582	{	836	{
		837	// TODO: SMART_WINDOW_TITLE
		838	XChangeProperty (display->display, TermWin.parent[0],
		839	prop, XA_STRING, 8, PropModeReplace,
		840	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		841	}
		842
		843	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		844	{
		845	// TODO: SMART_WINDOW_TITLE
		846	wchar_t *ws = rxvt_mbstowcs (str, len);
		847	char *s = rxvt_wcstoutf8 (ws);
		848
		849	XChangeProperty (display->display, TermWin.parent[0],
		850	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		851	(const unsigned char *)s, strlen (s));
		852
		853	free (s);
		854	free (ws);
583	}	855	}
584		856
585	/*----------------------------------------------------------------------*/	857	/*----------------------------------------------------------------------*/
586	/*----------------------------------------------------------------------*/	858	/*----------------------------------------------------------------------*/
587	/* xterm sequences - title, iconName, color (exptl) */	859	/* xterm sequences - title, iconName, color (exptl) */
588	/* EXTPROTO */
589	void	860	void
590	rxvt_set_title(pR_ const char *str)	861	rxvt_term::set_title (const char *str)
591	{	862	{
592	#ifndef SMART_WINDOW_TITLE	863	set_string_property (XA_WM_NAME, str);
593	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	864	#if ENABLE_FRILLS
		865	set_utf8_property (xa[XA_NET_WM_NAME], str);
		866	#endif
		867	}
		868
		869	void
		870	rxvt_term::set_icon_name (const char *str)
		871	{
		872	set_string_property (XA_WM_ICON_NAME, str);
		873	#if ENABLE_FRILLS
		874	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		875	#endif
		876	}
		877
		878	#ifdef XTERM_COLOR_CHANGE
		879	void
		880	rxvt_term::set_window_color (int idx, const char *color)
		881	{
		882	rxvt_color xcol;
		883	int i;
		884
		885	if (color == NULL || *color == '\0')
		886	return;
		887
		888	/* handle color aliases */
		889	if (isdigit (*color))
		890	{
		891	i = atoi (color);
		892	if (i >= 8 && i <= 15)
		893	{ /* bright colors */
		894	i -= 8;
		895	# ifndef NO_BRIGHTCOLOR
		896	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		897	SET_PIXCOLOR (idx);
		898	goto Done;
		899	# endif
		900
		901	}
		902	if (i >= 0 && i <= 7)
		903	{ /* normal colors */
		904	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		905	SET_PIXCOLOR (idx);
		906	goto Done;
		907	}
		908	}
		909
		910	if (!rXParseAllocColor (& xcol, color))
		911	return;
		912
		913	/* XStoreColor (display->display, display->cmap, XColor*); */
		914
		915	/*
		916	* FIXME: should free colors here, but no idea how to do it so instead,
		917	* so just keep gobbling up the colormap
		918	*/
		919	# if 0
		920	for (i = Color_Black; i <= Color_White; i++)
		921	if (pix_colors[idx] == pix_colors[i])
		922	break;
		923	if (i > Color_White)
		924	{
		925	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		926	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		927	DisplayPlanes (display->display, display->screen));
		928	}
		929	# endif
		930
		931	pix_colors_focused[idx] = xcol;
		932	SET_PIXCOLOR (idx);
		933
		934	/* XSetWindowAttributes attr; */
		935	/* Cursor cursor; */
		936	Done:
		937	#ifdef OFF_FOCUS_FADING
		938	if (rs[Rs_fade])
		939	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]));
		940	#endif
		941
		942	/*TODO: handle Color_BD, scrollbar background, etc. */
		943
		944	recolour_cursor ();
		945	scr_recolour ();
		946	}
		947
594	#else	948	#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)	949	# define set_window_color (idx,color) ((void)0)
691	#endif /* XTERM_COLOR_CHANGE */	950	#endif /* XTERM_COLOR_CHANGE */
692		951
693	/* EXTPROTO */
694	void	952	void
695	rxvt_recolour_cursor(pR)	953	rxvt_term::recolour_cursor ()
696	{	954	{
697	rxvt_color xcol[2];	955	XColor xcol[2];
698		956
699	#if TODO	957	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
700	xcol[0] = R->PixColors[Color_pointer];	958	? pix_colors_focused[Color_pointer_fg]
701	xcol[1] = R->PixColors[Color_bg];	959	: pix_colors_focused[Color_fg];
702	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	960	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		961	? pix_colors_focused[Color_pointer_bg]
		962	: pix_colors_focused[Color_bg];
		963
		964	XQueryColors (display->display, display->cmap, xcol, 2);
703	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	965	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
704	#endif
705	}	966	}
706		967
707	/*----------------------------------------------------------------------*/	968	/*----------------------------------------------------------------------*/
708	/*	969	/*
709	* find if fg/bg matches any of the normal (low-intensity) colors	970	* find if fg/bg matches any of the normal (low-intensity) colors
710	*/	971	*/
711	/* INTPROTO */
712	void	972	void
713	rxvt_set_colorfgbg(pR)	973	rxvt_term::set_colorfgbg ()
714	{	974	{
715	unsigned int i;	975	unsigned int i;
716	const char *xpmb = "\0";	976	const char *xpmb = "\0";
717	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	977	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
718		978
719	R->env_colorfgbg =
720	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	979	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
721	STRCPY(fstr, "default");	980	strcpy (fstr, "default");
722	STRCPY(bstr, "default");	981	strcpy (bstr, "default");
723	for (i = Color_Black; i <= Color_White; i++)	982	for (i = Color_Black; i <= Color_White; i++)
724	if (R->PixColors[Color_fg] == R->PixColors[i]) {	983	if (pix_colors[Color_fg] == pix_colors[i])
		984	{
725	sprintf(fstr, "%d", (i - Color_Black));	985	sprintf (fstr, "%d", (i - Color_Black));
726	break;	986	break;
727	}	987	}
		988
728	for (i = Color_Black; i <= Color_White; i++)	989	for (i = Color_Black; i <= Color_White; i++)
729	if (R->PixColors[Color_bg] == R->PixColors[i]) {	990	if (pix_colors[Color_bg] == pix_colors[i])
		991	{
730	sprintf(bstr, "%d", (i - Color_Black));	992	sprintf (bstr, "%d", (i - Color_Black));
731	#ifdef XPM_BACKGROUND	993	#ifdef XPM_BACKGROUND
732	xpmb = "default;";	994	xpmb = "default;";
733	#endif	995	#endif
734	break;	996	break;
735	}	997	}
		998
736	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	999	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	}	1000	}
749		1001
750	/*----------------------------------------------------------------------*/	1002	/*----------------------------------------------------------------------*/
751	/*
752	* Colour determination for low colour displays, routine from
753	* Hans de Goede <hans@highrise.nl>
754	*/
755		1003
756	/* EXTPROTO */
757	int	1004	int
758	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1005	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
759	{	1006	{
760	screen_in_out->set(aR_ colour);
761
762	if (!screen_in_out->set(aR_ colour)) {	1007	if (!screen_in_out->set (display, colour))
763	rxvt_print_error("can't allocate colour: %s", colour);	1008	{
		1009	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
764	return false;	1010	return false;
765	}	1011	}
766		1012
767	return true;	1013	return true;
768	}	1014	}
769		1015
770	/* -------------------------------------------------------------------- *	1016	/* -------------------------------------------------------------------- *
771	* - WINDOW RESIZING - *	1017	* - WINDOW RESIZING - *
772	* -------------------------------------------------------------------- */	1018	* -------------------------------------------------------------------- */
773	/* EXTPROTO */
774	void	1019	void
775	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1020	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)
776	int ignoreparent)
777	{	1021	{
778	int fix_screen;	1022	int fix_screen;
779		1023
780	#ifdef SMART_RESIZE	1024	#ifdef SMART_RESIZE
781	int old_width = R->szHint.width, old_height = R->szHint.height;	1025	int old_width = szHint.width, old_height = szHint.height;
782	#endif	1026	#endif
783		1027
784	rxvt_window_calc(aR_ width, height);	1028	window_calc (width, height);
785	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);	1029	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);
		1030
786	if (!ignoreparent) {	1031	if (!ignoreparent)
		1032	{
787	#ifdef SMART_RESIZE	1033	#ifdef SMART_RESIZE
788	/*	1034	/*
789	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1035	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
790	* reposition window on resize depending on placement on screen	1036	* reposition window on resize depending on placement on screen
791	*/	1037	*/
792	int x, y, x1, y1;	1038	int x, y, x1, y1;
793	int dx, dy;	1039	int dx, dy;
794	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1040	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
795	Window unused_cr;	1041	Window unused_cr;
796		1042
797	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1043	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,
798	0, 0, &x, &y, &unused_cr);	1044	0, 0, &x, &y, &unused_cr);
799	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1045	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,
800	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1046	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
801	/*	1047	/*
802	* if Xroot isn't the parent window, a WM will probably have offset	1048	* if display->root isn't the parent window, a WM will probably have offset
803	* our position for handles and decorations. Counter it	1049	* our position for handles and decorations. Counter it
804	*/	1050	*/
805	if (x1 != x || y1 != y) {	1051	if (x1 != x || y1 != y)
		1052	{
806	x -= x1;	1053	x -= x1;
807	y -= y1;	1054	y -= y1;
808	}	1055	}
809		1056
810	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1057	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;
811	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1058	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;
812	dx = old_width - R->szHint.width;	1059	dx = old_width - szHint.width;
813	dy = old_height - R->szHint.height;	1060	dy = old_height - szHint.height;
814		1061
815	/* Check position of the center of the window */	1062	/* Check position of the center of the window */
816	if (x < x1) /* left half */	1063	if (x < x1) /* left half */
817	dx = 0;	1064	dx = 0;
818	else if (x == x1) /* exact center */	1065	else if (x == x1) /* exact center */
819	dx /= 2;	1066	dx /= 2;
820	if (y < y1) /* top half */	1067	if (y < y1) /* top half */
821	dy = 0;	1068	dy = 0;
822	else if (y == y1) /* exact center */	1069	else if (y == y1) /* exact center */
823	dy /= 2;	1070	dy /= 2;
824		1071
825	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1072	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,
826	R->szHint.width, R->szHint.height);	1073	szHint.width, szHint.height);
827	#else	1074	#else
828	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1075	XResizeWindow (display->display, TermWin.parent[0], szHint.width, szHint.height);
829	R->szHint.height);
830	#endif	1076	#endif
831	}	1077	}
832		1078
833	fix_screen = (R->TermWin.ncol != R->prev_ncol	1079	fix_screen = TermWin.ncol != prev_ncol || TermWin.nrow != prev_nrow;
834	|| R->TermWin.nrow != R->prev_nrow);	1080
835	if (fix_screen || width != R->old_width || height != R->old_height) {	1081	if (fix_screen || width != old_width || height != old_height)
		1082	{
836	if (scrollbar_visible(R)) {	1083	if (scrollbar_visible ())
		1084	{
837	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1085	XMoveResizeWindow (display->display, scrollBar.win,
		1086	window_sb_x, 0,
838	0, scrollbar_TotalWidth(), R->szHint.height);	1087	scrollbar_TotalWidth (), szHint.height);
839	rxvt_Resize_scrollBar(aR);	1088	resize_scrollbar ();
840	}	1089	}
		1090
841	if (menubar_visible(R))	1091	if (menubar_visible ())
842	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1092	XMoveResizeWindow (display->display, menuBar.win,
		1093	window_vt_x, 0,
843	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1094	TermWin_TotalWidth (), menuBar_TotalHeight ());
844	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,	1095
845	R->window_vt_y, TermWin_TotalWidth(),	1096	XMoveResizeWindow (display->display, TermWin.vt,
		1097	window_vt_x, window_vt_y,
846	TermWin_TotalHeight());	1098	TermWin_TotalWidth (), TermWin_TotalHeight ());
847	#ifdef RXVT_GRAPHICS
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);	1099	scr_clear ();
853	#ifdef XPM_BACKGROUND	1100	#ifdef XPM_BACKGROUND
854	rxvt_resize_pixmap(aR);	1101	resize_pixmap ();
855	#endif	1102	#endif
856	}	1103	}
857		1104
858	if (fix_screen || R->old_height == 0) {	1105	if (fix_screen || old_height == 0)
		1106	{
859	int curr_screen = -1;	1107	int curr_screen = -1;
860	uint16_t old_ncol = R->prev_ncol;	1108	int old_ncol = prev_ncol;
861		1109
862	/* scr_reset only works on the primary screen */	1110	/* scr_reset only works on the primary screen */
863	if (R->old_height) /* this is not the first time through */	1111	if (old_height) /* this is not the first time through */
		1112	{
		1113	unsigned int ncol = TermWin.ncol;
		1114	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
864	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1115	curr_screen = scr_change_screen (PRIMARY);
865	rxvt_scr_reset(aR);	1116	TermWin.ncol = ncol;
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	}	1117	}
870	}
871		1118
		1119	scr_reset ();
		1120
		1121	if (curr_screen >= 0) /* this is not the first time through */
		1122	{
		1123	scr_change_screen (curr_screen);
		1124	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
		1125	}
		1126	}
		1127
872	R->old_width = R->szHint.width;	1128	old_width = szHint.width;
873	R->old_height = R->szHint.height;	1129	old_height = szHint.height;
874		1130
875	#ifdef USE_XIM	1131	#ifdef USE_XIM
876	rxvt_IMSetStatusPosition(aR);	1132	IMSetStatusPosition ();
877	#endif	1133	#endif
878	}	1134	}
879		1135
880	/*	1136	/*
881	* Set the width/height of the vt window in characters. Units are pixels.	1137	* Set the width/height of the vt window in characters. Units are pixels.
882	* good for toggling 80/132 columns	1138	* good for toggling 80/132 columns
883	*/	1139	*/
884	/* EXTPROTO */
885	void	1140	void
886	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1141	rxvt_term::set_widthheight (unsigned int width, unsigned int height)
887	{	1142	{
888	XWindowAttributes wattr;	1143	XWindowAttributes wattr;
889		1144
890	if (width == 0 || height == 0) {	1145	if (width == 0 || height == 0)
		1146	{
891	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1147	XGetWindowAttributes (display->display, display->root, &wattr);
892	if (width == 0)	1148	if (width == 0)
893	width = wattr.width - R->szHint.base_width;	1149	width = wattr.width - szHint.base_width;
894	if (height == 0)	1150	if (height == 0)
895	height = wattr.height - R->szHint.base_height;	1151	height = wattr.height - szHint.base_height;
896	}	1152	}
		1153
897	if (width != R->TermWin.width || height != R->TermWin.height) {	1154	if (width != TermWin.width || height != TermWin.height)
		1155	{
898	width += R->szHint.base_width;	1156	width += szHint.base_width;
899	height += R->szHint.base_height;	1157	height += szHint.base_height;
900	rxvt_resize_all_windows(aR_ width, height, 0);	1158	resize_all_windows (width, height, 0);
901	}	1159	}
902	}	1160	}
903		1161
904	/* -------------------------------------------------------------------- *	1162	/* -------------------------------------------------------------------- *
905	* - X INPUT METHOD ROUTINES - *	1163	* - X INPUT METHOD ROUTINES - *
906	* -------------------------------------------------------------------- */	1164	* -------------------------------------------------------------------- */
907	#ifdef USE_XIM	1165	#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		1166
918	/* INTPROTO */
919	void	1167	void
920	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1168	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
921	{	1169	{
922	*fg = R->PixColors[Color_fg];	1170	fg = pix_colors[Color_fg];
923	*bg = R->PixColors[Color_bg];	1171	bg = pix_colors[Color_bg];
		1172	}
		1173
		1174	void
		1175	rxvt_term::im_set_size (XRectangle &size)
		1176	{
		1177	// the int_bwidth terms make no sense to me
		1178	size.x = TermWin.int_bwidth;
		1179	size.y = TermWin.int_bwidth;
		1180	size.width = Width2Pixel (TermWin.ncol) + TermWin.int_bwidth;
		1181	size.height = Height2Pixel (TermWin.nrow) + TermWin.int_bwidth;
		1182	}
		1183
		1184	void
		1185	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1186	XRectangle &status_rect,
		1187	const XRectangle &needed_rect)
		1188	{
		1189	preedit_rect.x = needed_rect.width;
		1190	preedit_rect.y = 0;
		1191	preedit_rect.width = Width2Pixel (TermWin.ncol) - needed_rect.width + 1;
		1192	preedit_rect.height = TermWin.fheight;
		1193
		1194	status_rect.x = 0;
		1195	status_rect.y = 0;
		1196	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (TermWin.ncol) + 1;
		1197	status_rect.height = TermWin.fheight;
924	}	1198	}
925		1199
926	/* Checking whether input method is running. */	1200	/* Checking whether input method is running. */
927	/* INTPROTO */
928	Bool	1201	bool
929	rxvt_IMisRunning(pR)	1202	rxvt_term::IMisRunning ()
930	{	1203	{
931	char *p;	1204	char *p;
932	Atom atom;	1205	Atom atom;
933	Window win;	1206	Window win;
934	char server[IMBUFSIZ];	1207	char server[IMBUFSIZ];
935		1208
936	/* get current locale modifier */	1209	/* get current locale modifier */
937	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1210	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1211	{
938	STRCPY(server, "@server=");	1212	strcpy (server, "@server=");
939	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1213	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1214
940	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1215	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
941	*p = '\0';	1216	*p = '\0';
942		1217
943	atom = XInternAtom(R->Xdisplay, server, False);	1218	atom = XInternAtom (display->display, server, False);
944	win = XGetSelectionOwner(R->Xdisplay, atom);	1219	win = XGetSelectionOwner (display->display, atom);
		1220
945	if (win != None)	1221	if (win != None)
946	return True;	1222	return True;
947	}	1223	}
		1224
948	return False;	1225	return False;
949	}	1226	}
950		1227
951	/* EXTPROTO */
952	void	1228	void
953	rxvt_IMSendSpot(pR)	1229	rxvt_term::IMSendSpot ()
954	{	1230	{
955	XPoint spot;	1231	XPoint nspot;
956	XVaNestedList preedit_attr;	1232	XVaNestedList preedit_attr;
957		1233
958	if (R->Input_Context == NULL	1234	if (!Input_Context
		1235	|| !TermWin.focus
959	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1236	|| !(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;	1237	return;
967		1238
968	rxvt_setPosition(aR_ & spot);	1239	im_set_position (nspot);
969		1240
		1241	if (nspot.x == spot.x && nspot.y == spot.y)
		1242	return;
		1243
		1244	spot = nspot;
		1245
970	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1246	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
971	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1247	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
972	XFree(preedit_attr);	1248	XFree (preedit_attr);
973	}	1249	}
974		1250
975	/* EXTPROTO */
976	void	1251	void
977	rxvt_setTermFontSet(pR_ int idx)	1252	rxvt_term::im_destroy ()
978	{	1253	{
979	char *string;	1254	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	}	1255	{
1074	if (found)	1256	if (Input_Context && input_method->xim)
1075	return;	1257	XDestroyIC (Input_Context);
1076		1258
1077	/* try with XMODIFIERS env. var. */	1259	display->put_xim (input_method);
1078	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1260	input_method = 0;
1079	rxvt_IM_get_IC(aR);
1080	return;
1081	}	1261	}
1082		1262
1083	/* try with no modifiers base IF the user didn't specify an IM */	1263	Input_Context = 0;
1084	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1085	&& rxvt_IM_get_IC(aR) == True)
1086	return;
1087	}	1264	}
1088		1265
1089	/*	1266	/*
1090	* Try to open a XIM with the current modifiers, then see if we can	1267	* Try to open a XIM with the current modifiers, then see if we can
1091	* open a suitable preedit type	1268	* open a suitable preedit type
1092	*/	1269	*/
1093	/* INTPROTO */
1094	Bool	1270	bool
1095	rxvt_IM_get_IC(pR)	1271	rxvt_term::IM_get_IC (const char *modifiers)
1096	{	1272	{
1097	int i, j, found;	1273	int i, j, found;
1098	XIM xim;	1274	XIM xim;
1099	XPoint spot;	1275	XPoint spot;
1100	XRectangle rect, status_rect, needed_rect;	1276	XRectangle rect, status_rect, needed_rect;
1101	unsigned long fg, bg;	1277	unsigned long fg, bg;
1102	const char *p;	1278	const char *p;
1103	char **s;	1279	char **s;
1104	XIMStyles *xim_styles;	1280	XIMStyles *xim_styles;
1105	XVaNestedList preedit_attr, status_attr;
1106	XIMCallback ximcallback;
1107		1281
		1282	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1283	return false;
		1284
1108	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1285	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1109	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1286	input_method = display->get_xim (locale, modifiers);
1110	if (xim == NULL)	1287	if (input_method == NULL)
1111	return False;	1288	return false;
1112		1289
		1290	xim = input_method->xim;
		1291	spot.x = spot.y = -1;
		1292
1113	xim_styles = NULL;	1293	xim_styles = NULL;
1114	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1294	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1115	|| !xim_styles || !xim_styles->count_styles) {	1295	|| !xim_styles || !xim_styles->count_styles)
1116	XCloseIM(xim);	1296	{
		1297	im_destroy ();
1117	return False;	1298	return false;
		1299	}
		1300
		1301	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1302
		1303	for (int pi = 0; pi < 2; pi++)
1118	}	1304	{
		1305	p = pet[pi];
1119		1306
1120	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1307	if (!p)
1121	: "OverTheSpot,OffTheSpot,Root";	1308	continue;
		1309
1122	s = rxvt_splitcommastring(p);	1310	s = rxvt_splitcommastring (p);
		1311
1123	for (i = found = 0; !found && s[i]; i++) {	1312	for (i = found = 0; !found && s[i]; i++)
		1313	{
1124	if (!STRCMP(s[i], "OverTheSpot"))	1314	if (!strcmp (s[i], "OverTheSpot"))
1125	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1315	input_style = (XIMPreeditPosition | XIMStatusNothing);
1126	else if (!STRCMP(s[i], "OffTheSpot"))	1316	else if (!strcmp (s[i], "OffTheSpot"))
1127	R->input_style = (XIMPreeditArea | XIMStatusArea);	1317	input_style = (XIMPreeditArea | XIMStatusArea);
1128	else if (!STRCMP(s[i], "Root"))	1318	else if (!strcmp (s[i], "Root"))
1129	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1319	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1320	else if (!strcmp (s[i], "None"))
		1321	input_style = (XIMPreeditNone | XIMStatusNone);
1130		1322
1131	for (j = 0; j < xim_styles->count_styles; j++)	1323	for (j = 0; j < xim_styles->count_styles; j++)
1132	if (R->input_style == xim_styles->supported_styles[j]) {	1324	if (input_style == xim_styles->supported_styles[j])
		1325	{
		1326	rxvt_freecommastring (s);
		1327
1133	found = 1;	1328	found = 1;
		1329	goto foundpet;
		1330	}
		1331
		1332	}
		1333
		1334	rxvt_freecommastring (s);
		1335	}
		1336
		1337	foundpet:
		1338
		1339	XFree (xim_styles);
		1340
		1341	if (!found)
		1342	{
		1343	im_destroy ();
		1344	return false;
		1345	}
		1346
		1347	XFontSet fs = 0;
		1348	XVaNestedList preedit_attr = 0, status_attr = 0;
		1349
		1350	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1351	{
		1352	// fake us a font-set, please
		1353	char **missing_charset_list;
		1354	int missing_charset_count;
		1355	char *def_string;
		1356	char pat[512];
		1357
		1358	sprintf (pat,
		1359	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1360	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1361	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1362	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1363	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1364	"*",
		1365	TermWin.fheight,
		1366	TermWin.fheight + 1, TermWin.fheight - 1,
		1367	TermWin.fheight - 2, TermWin.fheight + 2);
		1368
		1369	fs = XCreateFontSet (display->display, pat,
		1370	&missing_charset_list, &missing_charset_count, &def_string);
		1371
		1372	if (missing_charset_list)
		1373	XFreeStringList (missing_charset_list);
		1374
		1375	if (!fs)
		1376	{
		1377	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1378	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1379	}
		1380	}
		1381
		1382	if (input_style & XIMPreeditPosition)
		1383	{
		1384	im_set_size (rect);
		1385	im_set_position (spot);
		1386	im_set_color (fg, bg);
		1387
		1388	preedit_attr = XVaCreateNestedList (0,
		1389	XNForeground, fg,
		1390	XNBackground, bg,
		1391	XNArea, &rect,
		1392	XNSpotLocation, &spot,
		1393	XNFontSet, fs,
		1394	NULL);
		1395	}
		1396	else if (input_style & XIMPreeditArea)
		1397	{
		1398	im_set_color (fg, bg);
		1399
		1400	/*
		1401	* The necessary width of preedit area is unknown
		1402	* until create input context.
		1403	*/
		1404	needed_rect.width = 0;
		1405	im_set_preedit_area (rect, status_rect, needed_rect);
		1406
		1407	preedit_attr = XVaCreateNestedList (0,
		1408	XNForeground, fg,
		1409	XNBackground, bg,
		1410	XNArea, &rect,
		1411	XNFontSet, fs,
		1412	NULL);
		1413	status_attr = XVaCreateNestedList (0,
		1414	XNForeground, fg,
		1415	XNBackground, bg,
		1416	XNArea, &status_rect,
		1417	XNFontSet, fs,
		1418	NULL);
		1419	}
		1420
		1421	Input_Context = XCreateIC (xim,
		1422	XNInputStyle, input_style,
		1423	XNClientWindow, TermWin.vt,
		1424	XNFocusWindow, TermWin.parent[0],
		1425	preedit_attr ? XNPreeditAttributes : NULL,
		1426	preedit_attr,
		1427	status_attr ? XNStatusAttributes : NULL,
		1428	status_attr, NULL);
		1429
		1430	if (preedit_attr) XFree (preedit_attr);
		1431	if (status_attr) XFree (status_attr);
		1432	if (fs) XFreeFontSet (display->display, fs);
		1433
		1434	if (Input_Context == NULL)
		1435	{
		1436	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1437	im_destroy ();
		1438	return false;
		1439	}
		1440
		1441	if (input_style & XIMPreeditArea)
		1442	IMSetStatusPosition ();
		1443
		1444	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
		1445	return true;
		1446	}
		1447
		1448	void
		1449	rxvt_term::im_cb ()
		1450	{
		1451	int i, found, had_im;
		1452	const char *p;
		1453	char **s;
		1454	char buf[IMBUFSIZ];
		1455
		1456	im_destroy ();
		1457
		1458	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
		1459	if (Input_Context)
		1460	return;
		1461
		1462	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1463	if (rs[Rs_imLocale])
		1464	SET_LOCALE (rs[Rs_imLocale]);
		1465	#endif
		1466
		1467	p = rs[Rs_inputMethod];
		1468	if (p && *p)
		1469	{
		1470	bool found = false;
		1471
		1472	s = rxvt_splitcommastring (p);
		1473
		1474	for (i = 0; s[i]; i++)
		1475	{
		1476	if (*s[i])
		1477	{
		1478	strcpy (buf, "@im=");
		1479	strncat (buf, s[i], IMBUFSIZ - 5);
		1480	if (IM_get_IC (buf))
		1481	{
		1482	found = true;
1134	break;	1483	break;
		1484	}
1135	}	1485	}
1136	}	1486	}
1137	for (i = 0; s[i]; i++)
1138	free(s[i]);
1139	free(s);
1140	XFree(xim_styles);
1141		1487
		1488	rxvt_freecommastring (s);
		1489
1142	if (!found) {	1490	if (found)
1143	XCloseIM(xim);	1491	goto done;
1144	return False;
1145	}	1492	}
1146		1493
1147	ximcallback.callback = rxvt_IMDestroyCallback;	1494	/* try with XMODIFIERS env. var. */
		1495	if (IM_get_IC (""))
		1496	goto done;
1148		1497
1149	/* XXX: not sure why we need this (as well as IC one below) */	1498	/* try with no modifiers base IF the user didn't specify an IM */
1150	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1499	if (IM_get_IC ("@im=none"))
		1500	goto done;
1151		1501
1152	preedit_attr = status_attr = NULL;	1502	done:
1153		1503	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1154	if (R->input_style & XIMPreeditPosition) {	1504	if (rs[Rs_imLocale])
1155	rxvt_setSize(aR_ & rect);	1505	SET_LOCALE (locale);
1156	rxvt_setPosition(aR_ & spot);	1506	#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	}	1507	}
1206		1508
1207	/* EXTPROTO */
1208	void	1509	void
1209	rxvt_IMSetStatusPosition(pR)	1510	rxvt_term::IMSetStatusPosition ()
1210	{	1511	{
1211	XRectangle preedit_rect, status_rect, *needed_rect;	1512	XRectangle preedit_rect, status_rect, *needed_rect;
1212	XVaNestedList preedit_attr, status_attr;	1513	XVaNestedList preedit_attr, status_attr;
1213		1514
1214	if (R->Input_Context == NULL	1515	if (!Input_Context
		1516	|| !TermWin.focus
1215	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1517	|| !(input_style & XIMPreeditArea)
1216	|| !rxvt_IMisRunning(aR))	1518	|| !IMisRunning ())
1217	return;	1519	return;
1218		1520
1219	/* Getting the necessary width of preedit area */	1521	/* Getting the necessary width of preedit area */
1220	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1522	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1221	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1523	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1222	XFree(status_attr);	1524	XFree (status_attr);
1223		1525
1224	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1526	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1527	XFree (needed_rect);
1225		1528
1226	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1529	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1227	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1530	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1228		1531
1229	XSetICValues(R->Input_Context,	1532	XSetICValues (Input_Context,
1230	XNPreeditAttributes, preedit_attr,	1533	XNPreeditAttributes, preedit_attr,
1231	XNStatusAttributes, status_attr, NULL);	1534	XNStatusAttributes, status_attr, NULL);
1232		1535
1233	XFree(preedit_attr);	1536	XFree (preedit_attr);
1234	XFree(status_attr);	1537	XFree (status_attr);
1235	}	1538	}
1236	#endif /* USE_XIM */	1539	#endif /* USE_XIM */
1237		1540
1238	/*----------------------------------------------------------------------*/	1541	/*----------------------------------------------------------------------*/
1239	rxvt_t rxvt_current_term;	1542	rxvt_t rxvt_current_term;

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