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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.1 by pcg, Mon Nov 24 17:28:08 2003 UTC vs.
Revision 1.73 by root, Fri Jul 30 14:59:12 2004 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.1 2003/11/24 17:28:08 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>
10	* - extensive modifications	9	* - extensive modifications
11	* Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>	10	* Copyright (c) 1995 Garrett D'Amore <garrett@netcom.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.
…		…
28	* You should have received a copy of the GNU General Public License	28	* You should have received a copy of the GNU General Public License
29	* along with this program; if not, write to the Free Software	29	* along with this program; if not, write to the Free Software
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 "main.intpro" /* PROTOS for internal routines */
36		36
37	#include <signal.h>	37	#include <signal.h>
38		38
39	#ifdef TTY_GID_SUPPORT	39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	40	# include <grp.h>
…		…
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
		128	void *
		129	rxvt_term::operator new (size_t s)
		130	{
		131	void *p = malloc (s);
		132
		133	MEMSET (p, 0, s);
		134	return p;
		135	}
		136
		137	void
		138	rxvt_term::operator delete (void *p, size_t s)
		139	{
		140	free (p);
		141	}
		142
		143	rxvt_term::rxvt_term ()
		144	:
		145	rootwin_ev (this, &rxvt_term::rootwin_cb),
		146	termwin_ev (this, &rxvt_term::x_cb),
		147	vt_ev (this, &rxvt_term::x_cb),
		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	check_ev (this, &rxvt_term::check_cb),
		176	destroy_ev (this, &rxvt_term::destroy_cb),
		177	pty_ev (this, &rxvt_term::pty_cb),
		178	incr_ev (this, &rxvt_term::incr_cb)
		179	{
		180	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		181
		182	termlist.push_back (this);
		183	}
		184
		185	rxvt_term::~rxvt_term ()
		186	{
		187	termlist.erase (find (termlist.begin (), termlist.end(), this));
		188
		189	if (cmd_fd >= 0)
		190	close (cmd_fd);
		191
		192	#ifndef NO_SETOWNER_TTYDEV
		193	privileged_ttydev (RESTORE);
		194	#endif
		195	#ifdef UTMP_SUPPORT
		196	privileged_utmp (RESTORE);
		197	#endif
		198
		199	delete TermWin.fontset;
		200
		201	if (display)
		202	{
		203	selection_clear ();
		204
		205	#ifdef MENUBAR
		206	if (menubarGC) XFreeGC (display->display, menubarGC);
		207	#endif
		208	#ifdef XTERM_SCROLLBAR
		209	if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC);
		210	if (ShadowGC) XFreeGC (display->display, ShadowGC);
		211	#endif
		212	#ifdef PLAIN_SCROLLBAR
		213	if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC);
		214	#endif
		215	#ifdef NEXT_SCROLLBAR
		216	if (blackGC) XFreeGC (display->display, blackGC);
		217	if (whiteGC) XFreeGC (display->display, whiteGC);
		218	if (grayGC) XFreeGC (display->display, grayGC);
		219	if (darkGC) XFreeGC (display->display, darkGC);
		220	if (stippleGC) XFreeGC (display->display, stippleGC);
		221	if (dimple) XFreePixmap (display->display, dimple);
		222	if (upArrow) XFreePixmap (display->display, upArrow);
		223	if (downArrow) XFreePixmap (display->display, downArrow);
		224	if (upArrowHi) XFreePixmap (display->display, upArrowHi);
		225	if (downArrowHi) XFreePixmap (display->display, downArrowHi);
		226	#endif
		227	#if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
		228	if (topShadowGC) XFreeGC (display->display, topShadowGC);
		229	if (botShadowGC) XFreeGC (display->display, botShadowGC);
		230	if (scrollbarGC) XFreeGC (display->display, scrollbarGC);
		231	#endif
		232	if (TermWin.gc) XFreeGC (display->display, TermWin.gc);
		233
		234	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
		235	delete menuBar.drawable;
		236	//if (menuBar.win)
		237	// XDestroyWindow (display->display, menuBar.win);
		238	#endif
		239	delete TermWin.drawable;
		240	// destroy all windows
		241	if (TermWin.parent[0])
		242	XDestroyWindow (display->display, TermWin.parent[0]);
		243	}
		244
		245	// TODO: free pixcolours, colours should become part of rxvt_display
		246
		247	delete PixColorsFocused;
		248	#ifdef OFF_FOCUS_FADING
		249	delete PixColorsUnFocused;
		250	#endif
		251
		252	displays.put (display);
		253
		254	scr_release ();
		255
		256	/* clear all resources */
		257	for (int i = 0; i < allocated.size (); i++)
		258	free (allocated[i]);
		259
		260	free (selection.text);
		261	// TODO: manage env vars in child only(!)
		262	free (env_windowid);
		263	free (env_display);
		264	free (env_term);
		265	free (env_colorfgbg);
		266	free (locale);
		267	#if 0
		268	free (codeset);
		269	#endif
		270
		271	delete envv;
		272	delete argv;
		273	}
		274
		275	void
		276	rxvt_term::destroy ()
		277	{
		278	if (display)
		279	{
		280	rootwin_ev.stop (display);
		281	termwin_ev.stop (display);
		282	vt_ev.stop (display);
		283	#ifdef USE_XIM
		284	im_destroy ();
		285	im_ev.stop (display);
		286	#endif
		287	#ifdef HAVE_SCROLLBARS
		288	scrollbar_ev.stop (display);
		289	#endif
		290	#ifdef MENUBAR
		291	menubar_ev.stop (display);
		292	#endif
		293	}
		294
		295	check_ev.stop ();
		296	pty_ev.stop ();
		297	#ifdef CURSOR_BLINK
		298	cursor_blink_ev.stop ();
		299	#endif
		300	#ifdef TEXT_BLINK
		301	text_blink_ev.stop ();
		302	#endif
		303	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		304	cont_scroll_ev.stop ();
		305	#endif
		306	#ifdef SELECTION_SCROLLING
		307	sel_scroll_ev.stop ();
		308	#endif
		309	#ifdef POINTER_BLANK
		310	pointer_ev.stop ();
		311	#endif
		312
		313	destroy_ev.start (0);
		314	}
		315
		316	void
		317	rxvt_term::destroy_cb (time_watcher &w)
		318	{
		319	SET_R (this);
		320
		321	delete this;
		322	}
		323
47	/*----------------------------------------------------------------------*/	324	/*----------------------------------------------------------------------*/
48	/* rxvt_init() */	325	/* rxvt_init () */
49	/* LIBPROTO */	326	bool
50	rxvt_t *
51	rxvt_init(int argc, const char *const *argv)	327	rxvt_term::init (int argc, const char *const *argv)
52	{	328	{
53	const char **cmd_argv;	329	SET_R (this);
54		330
55	SET_R ((rxvt_t *)rxvt_calloc(1, sizeof(rxvt_t)));	331	if (!init_vars ())
		332	return false;
56		333
57	dR;	334	/*
58	if (rxvt_init_vars(aR) < 0) {
59	free(R);
60	return NULL;
61	}
62
63	/*
64	* Save and then give up any super-user privileges	335	* Save and then give up any super-user privileges
65	* If we need privileges in any area then we must specifically request it.	336	* If we need privileges in any area then we must specifically request it.
66	* We should only need to be root in these cases:	337	* We should only need to be root in these cases:
67	* 1. write utmp entries on some systems	338	* 1. write utmp entries on some systems
68	* 2. chown tty on some systems	339	* 2. chown tty on some systems
69	*/	340	*/
70	rxvt_privileges(aR_ SAVE);	341	privileges (SAVE);
71	rxvt_privileges(aR_ IGNORE);	342	privileges (IGNORE);
72		343
73	rxvt_init_secondary(aR);	344	init_secondary ();
74		345
75	cmd_argv = rxvt_init_resources(aR_ argc, argv);	346	const char **cmd_argv = init_resources (argc, argv);
76		347
		348	set_locale ("");
		349
		350	#if MENUBAR_MAX
		351	menubar_read (rs[Rs_menu]);
		352	#endif
		353	#ifdef HAVE_SCROLLBARS
		354	if (Options & Opt_scrollBar)
		355	scrollBar.setIdle (); /* set existence for size calculations */
		356	#endif
		357
		358	create_windows (argc, argv);
		359
		360	init_xlocale ();
		361
		362	scr_reset (); /* initialize screen */
		363
		364	#if 0
		365	XSynchronize (display->display, True);
		366	#endif
		367
		368	#ifdef HAVE_SCROLLBARS
		369	if (Options & Opt_scrollBar)
		370	resize_scrollbar (); /* create and map scrollbar */
		371	#endif
77	#if (MENUBAR_MAX)	372	#if (MENUBAR_MAX)
78	rxvt_menubar_read(aR_ R->h->rs[Rs_menu]);	373	if (menubar_visible ())
		374	XMapWindow (display->display, menuBar.win);
79	#endif	375	#endif
80	#ifdef HAVE_SCROLLBARS	376	#ifdef TRANSPARENT
81	if (R->Options & Opt_scrollBar)	377	if (Options & Opt_transparent)
82	scrollbar_setIdle(); /* set existence for size calculations */	378	{
		379	XSelectInput (display->display, display->root, PropertyChangeMask);
		380	check_our_parents ();
		381	}
83	#endif	382	#endif
84		383
85	rxvt_Create_Windows(aR_ argc, argv);	384	rootwin_ev.start (display, display->root);
86		385
87	rxvt_init_xlocale(aR);	386	XMapWindow (display->display, TermWin.vt);
		387	XMapWindow (display->display, TermWin.parent[0]);
88		388
89	rxvt_scr_reset(aR); /* initialize screen */	389	init_command (cmd_argv);
90	#ifdef RXVT_GRAPHICS
91	rxvt_Gr_reset(aR); /* reset graphics */
92	#endif
93		390
		391	pty_ev.start (cmd_fd, EVENT_READ);
		392
		393	check_ev.start ();
		394
		395	return true;
		396	}
		397
		398	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
		399
		400	void
		401	rxvt_init_signals ()
		402	{
		403	/* install exit handler for cleanup */
94	#if 0	404	#if 0
95	#ifdef DEBUG_X	405	#ifdef HAVE_ATEXIT
96	XSynchronize(R->Xdisplay, True);	406	atexit (rxvt_clean_exit);
97	XSetErrorHandler((XErrorHandler) abort);
98	#else	407	#else
		408	#endif
		409	#endif
		410
		411	struct sigaction sa;
		412
		413	sigfillset (&sa.sa_mask);
		414	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
		415	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
		416	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
		417	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
		418	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
		419	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
		420	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
		421
		422	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		423	/* signal (SIGURG, SIG_DFL); */
		424
		425	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
99	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);	426	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
100	#endif
101	#endif
102
103	#ifdef HAVE_SCROLLBARS
104	if (R->Options & Opt_scrollBar)
105	rxvt_Resize_scrollBar(aR); /* create and map scrollbar */
106	#endif
107	#if (MENUBAR_MAX)
108	if (menubar_visible(r))
109	XMapWindow(R->Xdisplay, R->menuBar.win);
110	#endif
111	#ifdef TRANSPARENT
112	if (R->Options & Opt_transparent) {
113	XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);
114	rxvt_check_our_parents(aR);
115	}
116	#endif
117	XMapWindow(R->Xdisplay, R->TermWin.vt);
118	XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
119
120	rxvt_init_env(aR);
121	rxvt_init_command(aR_ cmd_argv);
122
123	return R;
124	}	427	}
125		428
126	/* ------------------------------------------------------------------------- *	429	/* ------------------------------------------------------------------------- *
127	* SIGNAL HANDLING & EXIT HANDLER *	430	* SIGNAL HANDLING & EXIT HANDLER *
128	* ------------------------------------------------------------------------- */	431	* ------------------------------------------------------------------------- */
129	/*	432	/*
130	* Catch a SIGCHLD signal and exit if the direct child has died	433	* Catch a SIGCHLD signal and exit if the direct child has died
131	*/	434	*/
		435
		436	void rxvt_term::child_exited (int pid)
		437	{
		438	for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
		439	if (pid == (*t)->cmd_pid)
		440	{
		441	(*t)->destroy ();
		442	break;
		443	}
		444	}
		445
132	/* ARGSUSED */	446	/* ARGSUSED */
133	/* EXTPROTO */	447	/* EXTPROTO */
134	RETSIGTYPE	448	RETSIGTYPE
135	rxvt_Child_signal(int sig __attribute__((unused)))	449	rxvt_Child_signal (int sig __attribute__ ((unused)))
136	{	450	{
137	dR;
138	int pid, save_errno = errno;	451	int pid, save_errno = errno;
139		452
140	do {	453	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
141	errno = 0;	454	rxvt_term::child_exited (pid);
142	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
143		455
144	if (pid == R->h->cmd_pid)
145	exit(EXIT_SUCCESS);
146
147	errno = save_errno;	456	errno = save_errno;
148	signal(SIGCHLD, rxvt_Child_signal);
149	}	457	}
150		458
151	/*	459	/*
152	* Catch a fatal signal and tidy up before quitting	460	* Catch a fatal signal and tidy up before quitting
153	*/	461	*/
154	/* EXTPROTO */	462	/* EXTPROTO */
155	RETSIGTYPE	463	RETSIGTYPE
156	rxvt_Exit_signal(int sig)	464	rxvt_Exit_signal (int sig)
157	{	465	{
158	signal(sig, SIG_DFL);	466	signal (sig, SIG_DFL);
159	#ifdef DEBUG_CMD	467	#ifdef DEBUG_CMD
160	rxvt_print_error("signal %d", sig);	468	rxvt_warn ("caught signal %d, exiting.\n", sig);
161	#endif	469	#endif
162	rxvt_clean_exit();	470	rxvt_clean_exit ();
163	kill(getpid(), sig);	471	kill (getpid (), sig);
164	}	472	}
165		473
166	/* ARGSUSED */
167	/* INTPROTO */	474	/* INTPROTO */
168	int	475	int
169	rxvt_xerror_handler(const Display *display __attribute__((unused)), const XErrorEvent *event)	476	rxvt_xerror_handler (Display *display, XErrorEvent *event)
170	{	477	{
171	dR;
172
173	if (R->h->allowedxerror == -1) {	478	if (GET_R->allowedxerror == -1)
174	R->h->allowedxerror = event->error_code;	479	GET_R->allowedxerror = event->error_code;
175	return 0; /* ignored anyway */	480	else
176	}	481	{
177	rxvt_print_error("XError: Request: %d . %d, Error: %d",	482	old_xerror_handler (display, event);
178	event->request_code, event->minor_code,	483	GET_R->destroy ();
179	event->error_code);	484	}
180	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */	485
181	exit(EXIT_FAILURE);	486	return 0;
182	/* NOTREACHED */
183	}	487	}
184		488
185	/*----------------------------------------------------------------------*/	489	/*----------------------------------------------------------------------*/
186	/*	490	/*
187	* Exit gracefully, clearing the utmp entry and restoring tty attributes	491	* Exit gracefully, clearing the utmp entry and restoring tty attributes
188	* TODO: if debugging, this should free up any known resources if we can	492	* TODO: if debugging, this should free up any known resources if we can
189	*/	493	*/
190	/* EXTPROTO */	494	/* EXTPROTO */
191	void	495	void
192	rxvt_clean_exit(void)	496	rxvt_clean_exit ()
193	{	497	{
194	dR;	498	// TODO: rxvtd should clean up all ressources
195		499	if (GET_R)
196	#ifdef DEBUG_SCREEN	500	GET_R->destroy ();
197	rxvt_scr_release(aR);
198	#endif
199	#ifndef NO_SETOWNER_TTYDEV
200	rxvt_privileged_ttydev(aR_ RESTORE);
201	#endif
202	#ifdef UTMP_SUPPORT
203	rxvt_privileged_utmp(aR_ RESTORE);
204	#endif
205	#ifdef USE_XIM
206	if (R->h->Input_Context != NULL) {
207	XDestroyIC(R->h->Input_Context);
208	R->h->Input_Context = NULL;
209	}
210	#endif
211	}	501	}
212		502
213	/* ------------------------------------------------------------------------- *	503	/* ------------------------------------------------------------------------- *
214	* MEMORY ALLOCATION WRAPPERS *	504	* MEMORY ALLOCATION WRAPPERS *
215	* ------------------------------------------------------------------------- */	505	* ------------------------------------------------------------------------- */
216	/* EXTPROTO */	506	/* EXTPROTO */
217	void *	507	void *
218	rxvt_malloc(size_t size)	508	rxvt_malloc (size_t size)
219	{	509	{
220	void *p;	510	void *p;
221		511
222	p = malloc(size);	512	p = malloc (size);
223	if (p)	513	if (p)
224	return p;	514	return p;
225		515
226	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	516	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
227	rxvt_clean_exit();	517	rxvt_clean_exit ();
228	exit(EXIT_FAILURE);	518	exit (EXIT_FAILURE);
229	/* NOTREACHED */	519	/* NOTREACHED */
230	}	520	}
231		521
232	/* EXTPROTO */	522	/* EXTPROTO */
233	void *	523	void *
234	rxvt_calloc(size_t number, size_t size)	524	rxvt_calloc (size_t number, size_t size)
235	{	525	{
236	void *p;	526	void *p;
237		527
238	p = calloc(number, size);	528	p = calloc (number, size);
239	if (p)	529	if (p)
240	return p;	530	return p;
241		531
242	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	532	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
243	rxvt_clean_exit();	533	rxvt_clean_exit ();
244	exit(EXIT_FAILURE);	534	exit (EXIT_FAILURE);
245	/* NOTREACHED */	535	/* NOTREACHED */
246	}	536	}
247		537
248	/* EXTPROTO */	538	/* EXTPROTO */
249	void *	539	void *
250	rxvt_realloc(void *ptr, size_t size)	540	rxvt_realloc (void *ptr, size_t size)
251	{	541	{
252	void *p;	542	void *p;
253		543
254	if (ptr)	544	if (ptr)
255	p = realloc(ptr, size);	545	p = realloc (ptr, size);
256	else	546	else
257	p = malloc(size);	547	p = malloc (size);
258	if (p)	548	if (p)
259	return p;	549	return p;
260		550
261	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	551	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
262	rxvt_clean_exit();	552	rxvt_clean_exit ();
263	exit(EXIT_FAILURE);	553	exit (EXIT_FAILURE);
264	/* NOTREACHED */	554	/* NOTREACHED */
265	}	555	}
		556
266	/* ------------------------------------------------------------------------- *	557	/* ------------------------------------------------------------------------- *
267	* PRIVILEGED OPERATIONS *	558	* PRIVILEGED OPERATIONS *
268	* ------------------------------------------------------------------------- */	559	* ------------------------------------------------------------------------- */
269	/* take care of suid/sgid super-user (root) privileges */	560	/* take care of suid/sgid super-user (root) privileges */
270	/* INTPROTO */
271	void	561	void
272	rxvt_privileges(pR_ int mode)	562	rxvt_term::privileges (int mode)
273	{	563	{
274	#if ! defined(__CYGWIN32__)	564	#if ! defined(__CYGWIN32__)
275	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	565	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
276	/* setreuid() is the poor man's setuid(), seteuid() */	566	/* setreuid () is the poor man's setuid (), seteuid () */
277	# define seteuid(a) setreuid(-1, (a))	567	# define seteuid(a) setreuid(-1, (a))
278	# define setegid(a) setregid(-1, (a))	568	# define setegid(a) setregid(-1, (a))
279	# define HAVE_SETEUID	569	# define HAVE_SETEUID
280	# endif	570	# endif
281	# ifdef HAVE_SETEUID	571	# ifdef HAVE_SETEUID
282	switch (mode) {	572	switch (mode)
		573	{
283	case IGNORE:	574	case IGNORE:
284	/*	575	/*
285	* change effective uid/gid - not real uid/gid - so we can switch	576	* change effective uid/gid - not real uid/gid - so we can switch
286	* back to root later, as required	577	* back to root later, as required
287	*/	578	*/
288	seteuid(getuid());	579	seteuid (getuid ());
289	setegid(getgid());	580	setegid (getgid ());
290	break;	581	break;
291	case SAVE:	582	case SAVE:
292	R->h->euid = geteuid();	583	euid = geteuid ();
293	R->h->egid = getegid();	584	egid = getegid ();
294	break;	585	break;
295	case RESTORE:	586	case RESTORE:
296	seteuid(R->h->euid);	587	seteuid (euid);
297	setegid(R->h->egid);	588	setegid (egid);
298	break;	589	break;
299	}	590	}
300	# else	591	# else
301	switch (mode) {	592	switch (mode)
		593	{
302	case IGNORE:	594	case IGNORE:
303	setuid(getuid());	595	setuid (getuid ());
304	setgid(getgid());	596	setgid (getgid ());
305	/* FALLTHROUGH */	597	/* FALLTHROUGH */
306	case SAVE:	598	case SAVE:
307	/* FALLTHROUGH */	599	/* FALLTHROUGH */
308	case RESTORE:	600	case RESTORE:
309	break;	601	break;
310	}	602	}
311	# endif	603	# endif
312	#endif	604	#endif
313	}	605	}
314		606
315	#ifdef UTMP_SUPPORT	607	#ifdef UTMP_SUPPORT
316	/* EXTPROTO */
317	void	608	void
318	rxvt_privileged_utmp(pR_ char action)	609	rxvt_term::privileged_utmp (char action)
319	{	610	{
320	struct rxvt_hidden *h = R->h;
321
322	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)", action, h->next_utmp_action, getpid()));	611	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",
323	if (h->next_utmp_action != action	612	action, next_utmp_action, getpid ()));
324	|| (action != SAVE && action != RESTORE)	613	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
325	|| (R->Options & Opt_utmpInhibit)	614	|| (Options & Opt_utmpInhibit)
326	|| h->ttydev == NULL	615	|| ttydev == NULL || *ttydev == '\0')
327	|| *h->ttydev == '\0')	616	return;
328	return;
329		617
330	rxvt_privileges(aR_ RESTORE);	618	privileges (RESTORE);
331	if (action == SAVE) {	619	if (action == SAVE)
		620	{
332	h->next_utmp_action = RESTORE;	621	next_utmp_action = RESTORE;
333	rxvt_makeutent(aR_ h->ttydev, h->rs[Rs_display_name]);	622	makeutent (ttydev, rs[Rs_display_name]);
334	} else { /* action == RESTORE */	623	}
		624	else
		625	{ /* action == RESTORE */
335	h->next_utmp_action = IGNORE;	626	next_utmp_action = IGNORE;
336	rxvt_cleanutent(aR);	627	cleanutent ();
337	}	628	}
338	rxvt_privileges(aR_ IGNORE);	629	privileges (IGNORE);
339	}	630	}
340	#endif	631	#endif
341		632
342	#ifndef NO_SETOWNER_TTYDEV	633	#ifndef NO_SETOWNER_TTYDEV
343	/* EXTPROTO */
344	void	634	void
345	rxvt_privileged_ttydev(pR_ char action)	635	rxvt_term::privileged_ttydev (char action)
346	{	636	{
347	struct rxvt_hidden *h = R->h;	637	D_MAIN ((stderr,
		638	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
		639	action, next_tty_action, getpid ()));
		640	if (next_tty_action != action || (action != SAVE && action != RESTORE)
		641	|| ttydev == NULL || *ttydev == '\0')
		642	return;
348		643
349	D_MAIN((stderr, "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)", action, h->next_tty_action, getpid()));
350	if (h->next_tty_action != action
351	|| (action != SAVE && action != RESTORE)
352	|| h->ttydev == NULL
353	|| *h->ttydev == '\0')
354	return;
355
356	rxvt_privileges(aR_ RESTORE);	644	privileges (RESTORE);
357		645
358	if (action == SAVE) {	646	if (action == SAVE)
		647	{
359	h->next_tty_action = RESTORE;	648	next_tty_action = RESTORE;
360	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	649	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
361	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */	650	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
362	if (lstat(h->ttydev, &h->ttyfd_stat) < 0) /* you lose out */	651	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
363	h->next_tty_action = IGNORE;	652	next_tty_action = IGNORE;
364	else	653	else
365	# endif	654	# endif
366	{	655
		656	{
367	chown(h->ttydev, getuid(), h->ttygid); /* fail silently */	657	chown (ttydev, getuid (), ttygid); /* fail silently */
368	chmod(h->ttydev, h->ttymode);	658	chmod (ttydev, ttymode);
369	# ifdef HAVE_REVOKE	659	# ifdef HAVE_REVOKE
370	revoke(h->ttydev);	660	revoke (ttydev);
371	# endif	661	# endif
372	}	662
373	} else { /* action == RESTORE */	663	}
		664	}
		665	else
		666	{ /* action == RESTORE */
374	h->next_tty_action = IGNORE;	667	next_tty_action = IGNORE;
375	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	668	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
376	chmod(h->ttydev, h->ttyfd_stat.st_mode);	669	chmod (ttydev, ttyfd_stat.st_mode);
377	chown(h->ttydev, h->ttyfd_stat.st_uid, h->ttyfd_stat.st_gid);	670	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
378	# else	671	# else
379	chmod(h->ttydev,	672	chmod (ttydev,
380	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));	673	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
381	chown(h->ttydev, 0, 0);	674	chown (ttydev, 0, 0);
382	# endif	675	# endif
383	}
384		676
		677	}
		678
385	rxvt_privileges(aR_ IGNORE);	679	privileges (IGNORE);
386		680
387	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	681	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
388	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d", action == RESTORE ? "Restoring" : (action == SAVE ? "Saving" : "UNKNOWN ERROR for"), h->ttydev, h->ttyfd_stat.st_mode, h->ttyfd_stat.st_uid, h->ttyfd_stat.st_gid));	682	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
		683	action == RESTORE ? "Restoring" : (action ==
		684	SAVE ? "Saving" :
		685	"UNKNOWN ERROR for"), ttydev,
		686	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
		687	ttyfd_stat.st_gid));
389	# endif	688	# endif
390	}	689	}
391	#endif	690	#endif
392		691
393	/*----------------------------------------------------------------------*/	692	/*----------------------------------------------------------------------*/
394	/*	693	/*
395	* window size/position calculcations for XSizeHint and other storage.	694	* window size/position calculcations for XSizeHint and other storage.
396	* if width/height are non-zero then override calculated width/height	695	* if width/height are non-zero then override calculated width/height
397	*/	696	*/
398	/* EXTPROTO */
399	void	697	void
400	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	698	rxvt_term::window_calc (unsigned int width, unsigned int height)
401	{	699	{
402	short recalc_x, recalc_y;	700	short recalc_x, recalc_y;
403	int x, y, sb_w, mb_h, flags;	701	int x, y, sb_w, mb_h, flags;
404	unsigned int w, h;	702	unsigned int w, h;
405	unsigned int max_width, max_height;	703	unsigned int max_width, max_height;
406		704
407	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, R->szHint.height));	705	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
		706	TermWin.ncol, TermWin.nrow, szHint.width,
		707	szHint.height));
408	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	708	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
409	R->szHint.win_gravity = NorthWestGravity;	709	szHint.win_gravity = NorthWestGravity;
410	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	710	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
411		711
412	recalc_x = recalc_y = 0;	712	recalc_x = recalc_y = 0;
413	flags = 0;	713	flags = 0;
414	if (!R->h->parsed_geometry) {	714	if (!parsed_geometry)
		715	{
415	R->h->parsed_geometry = 1;	716	parsed_geometry = 1;
416	if (R->h->rs[Rs_geometry])	717	if (rs[Rs_geometry])
417	flags = XParseGeometry(R->h->rs[Rs_geometry], &x, &y, &w, &h);	718	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
418	if (flags & WidthValue) {	719	if (flags & WidthValue)
		720	{
419	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	721	TermWin.ncol = BOUND_POSITIVE_INT16 (w);
420	R->szHint.flags |= USSize;	722	szHint.flags |= USSize;
421	}	723	}
422	if (flags & HeightValue) {	724	if (flags & HeightValue)
		725	{
423	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	726	TermWin.nrow = BOUND_POSITIVE_INT16 (h);
424	R->szHint.flags |= USSize;	727	szHint.flags |= USSize;
425	}	728	}
426	if (flags & XValue) {	729	if (flags & XValue)
427	R->szHint.x = x;	730	{
		731	szHint.x = x;
428	R->szHint.flags |= USPosition;	732	szHint.flags |= USPosition;
429	if (flags & XNegative) {	733	if (flags & XNegative)
430	recalc_x = 1;	734	{
		735	recalc_x = 1;
431	R->szHint.win_gravity = NorthEastGravity;	736	szHint.win_gravity = NorthEastGravity;
		737	}
		738	}
		739	if (flags & YValue)
		740	{
		741	szHint.y = y;
		742	szHint.flags |= USPosition;
		743	if (flags & YNegative)
		744	{
		745	recalc_y = 1;
		746	if (szHint.win_gravity == NorthEastGravity)
		747	szHint.win_gravity = SouthEastGravity;
		748	else
		749	szHint.win_gravity = SouthWestGravity;
		750	}
		751	}
432	}	752	}
433	}	753
434	if (flags & YValue) {
435	R->szHint.y = y;
436	R->szHint.flags |= USPosition;
437	if (flags & YNegative) {
438	recalc_y = 1;
439	if (R->szHint.win_gravity == NorthEastGravity)
440	R->szHint.win_gravity = SouthEastGravity;
441	else
442	R->szHint.win_gravity = SouthWestGravity;
443	}
444	}
445	}
446	/* TODO: BOUNDS */	754	/* TODO: BOUNDS */
447	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	755	TermWin.width = TermWin.ncol * TermWin.fwidth;
448	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	756	TermWin.height = TermWin.nrow * TermWin.fheight;
449	max_width = MAX_COLS * R->TermWin.fwidth;	757	max_width = MAX_COLS * TermWin.fwidth;
450	max_height = MAX_ROWS * R->TermWin.fheight;	758	max_height = MAX_ROWS * TermWin.fheight;
451		759
452	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	760	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;
453		761
454	sb_w = mb_h = 0;	762	sb_w = mb_h = 0;
455	R->h->window_vt_x = R->h->window_vt_y = 0;	763	window_vt_x = window_vt_y = TermWin.int_bwidth;
		764
456	if (scrollbar_visible(R)) {	765	if (scrollbar_visible ())
		766	{
457	sb_w = scrollbar_TotalWidth();	767	sb_w = scrollbar_TotalWidth ();
458	R->szHint.base_width += sb_w;	768	szHint.base_width += sb_w;
459	if (!(R->Options & Opt_scrollBar_right))	769	if (!(Options & Opt_scrollBar_right))
460	R->h->window_vt_x = sb_w;	770	window_vt_x += sb_w;
461	}	771	}
		772
462	if (menubar_visible(R)) {	773	if (menubar_visible ())
		774	{
463	mb_h = menuBar_TotalHeight();	775	mb_h = menuBar_TotalHeight ();
464	R->szHint.base_height += mb_h;	776	szHint.base_height += mb_h;
465	R->h->window_vt_y = mb_h;	777	window_vt_y += mb_h;
466	}	778	}
		779
467	R->szHint.width_inc = R->TermWin.fwidth;	780	szHint.width_inc = TermWin.fwidth;
468	R->szHint.height_inc = R->TermWin.fheight;	781	szHint.height_inc = TermWin.fheight;
469	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	782	szHint.min_width = szHint.base_width + szHint.width_inc;
470	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	783	szHint.min_height = szHint.base_height + szHint.height_inc;
471		784
472	if (width && width - R->szHint.base_width < max_width) {	785	if (width && width - szHint.base_width < max_width)
		786	{
473	R->szHint.width = width;	787	szHint.width = width;
474	R->TermWin.width = width - R->szHint.base_width;	788	TermWin.width = width - szHint.base_width;
475	} else {	789	}
		790	else
		791	{
476	MIN_IT(R->TermWin.width, max_width);	792	MIN_IT (TermWin.width, max_width);
477	R->szHint.width = R->szHint.base_width + R->TermWin.width;	793	szHint.width = szHint.base_width + TermWin.width;
478	}	794	}
		795
479	if (height && height - R->szHint.base_height < max_height) {	796	if (height && height - szHint.base_height < max_height)
		797	{
480	R->szHint.height = height;	798	szHint.height = height;
481	R->TermWin.height = height - R->szHint.base_height;	799	TermWin.height = height - szHint.base_height;
482	} else {	800	}
		801	else
		802	{
483	MIN_IT(R->TermWin.height, max_height);	803	MIN_IT (TermWin.height, max_height);
484	R->szHint.height = R->szHint.base_height + R->TermWin.height;	804	szHint.height = szHint.base_height + TermWin.height;
485	}	805	}
		806
486	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	807	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
487	R->h->window_sb_x = R->szHint.width - sb_w;	808	window_sb_x = szHint.width - sb_w;
488		809
489	if (recalc_x)	810	if (recalc_x)
490	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	811	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))
491	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	812	- szHint.width - 2 * TermWin.ext_bwidth);
492	if (recalc_y)	813	if (recalc_y)
493	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	814	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))
494	- R->szHint.height - 2 * R->TermWin.ext_bwidth);	815	- szHint.height - 2 * TermWin.ext_bwidth);
495		816
496	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	817	TermWin.ncol = TermWin.width / TermWin.fwidth;
497	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	818	TermWin.nrow = TermWin.height / TermWin.fheight;
498	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, R->szHint.height));	819	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
		820	TermWin.ncol, TermWin.nrow, szHint.width,
		821	szHint.height));
499	return;	822	return;
500	}	823	}
501		824
502	/*----------------------------------------------------------------------*/	825	/*----------------------------------------------------------------------*/
503	/*	826	/*
504	* Tell the teletype handler what size the window is.	827	* Tell the teletype handler what size the window is.
505	* Called after a window size change.	828	* Called after a window size change.
506	*/	829	*/
507	/* EXTPROTO */
508	void	830	void
509	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	831	rxvt_term::tt_winch ()
510	{	832	{
511	struct winsize ws;	833	struct winsize ws;
512		834
513	if (fd < 0)	835	if (cmd_fd < 0)
514	return;	836	return;
		837
515	ws.ws_col = col;	838	ws.ws_col = TermWin.ncol;
516	ws.ws_row = row;	839	ws.ws_row = TermWin.nrow;
517	ws.ws_xpixel = ws.ws_ypixel = 0;	840	ws.ws_xpixel = ws.ws_ypixel = 0;
518	#ifndef DEBUG_SIZE	841	#ifndef DEBUG_SIZE
519	(void)ioctl(fd, TIOCSWINSZ, &ws);	842	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);
520	#else	843	#else
521	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	844	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)
522	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	845	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
523	}
524	# ifdef SIGWINCH	846	# ifdef SIGWINCH
525	else if (pid) /* force through to the command */	847	else if (cmd_pid) /* force through to the command */
526	kill(pid, SIGWINCH);	848	kill (cmd_pid, SIGWINCH);
527	# endif	849	# endif
528	#endif	850	#endif
529	}	851	}
530		852
531	/*----------------------------------------------------------------------*/	853	/*----------------------------------------------------------------------*/
532	/* rxvt_change_font() - Switch to a new font */	854	/* rxvt_change_font () - Switch to a new font */
533	/*	855	/*
534	* init = 1 - initialize	856	* init = 1 - initialize
535	*	857	*
536	* fontname == FONT_UP - switch to bigger font	858	* fontname == FONT_UP - switch to bigger font
537	* fontname == FONT_DN - switch to smaller font	859	* fontname == FONT_DN - switch to smaller font
538	*/	860	*/
539	/* EXTPROTO */	861	bool
540	void
541	rxvt_change_font(pR_ int init, const char *fontname)	862	rxvt_term::change_font (const char *fontname)
542	{	863	{
543	}	864	if (fontname == FONT_UP)
		865	{
		866	// TODO
		867	}
		868	else if (fontname == FONT_DN)
		869	{
		870	// TODO
		871	}
		872	else
		873	{
		874	rxvt_fontset *fs = new rxvt_fontset (this);
544		875
545	/* INTPROTO */	876	if (fs && fs->populate (fontname ? fontname : "fixed"))
546	void	877	{
		878	delete TermWin.fontset;
		879	TermWin.fontset = fs;
		880	TermWin.fwidth = fs->base_font ()->width;
		881	TermWin.fheight = fs->base_font ()->height;
		882	TermWin.fbase = fs->base_font ()->ascent;
		883
		884	if (TermWin.parent[0])
		885	{
		886	resize_all_windows (0, 0, 0);
		887	scr_remap_chars ();
		888	scr_touch (true);
		889	}
		890
		891	return true;
		892	}
		893	}
		894
		895	return false;
		896	}
		897
		898	bool
547	rxvt_font_up_down(pR_ int n, int direction)	899	rxvt_term::font_up_down (int n, int direction)
548	{	900	{
		901	return false;
549	}	902	}
550		903
551	/*----------------------------------------------------------------------*/	904	/*----------------------------------------------------------------------*/
552	/*----------------------------------------------------------------------*/	905	/*----------------------------------------------------------------------*/
553	/* xterm sequences - title, iconName, color (exptl) */	906	/* xterm sequences - title, iconName, color (exptl) */
554	/* EXTPROTO */
555	void	907	void
556	rxvt_set_title(pR_ const char *str)	908	rxvt_term::set_title (const char *str)
557	{	909	{
558	#ifndef SMART_WINDOW_TITLE	910	#ifdef SMART_WINDOW_TITLE
		911	char *name;
		912
		913	if (!XFetchName (display->display, TermWin.parent[0], &name))
		914	name = NULL;
		915
		916	if (name == NULL || STRCMP (name, str))
		917	#endif
559	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	918	XStoreName (display->display, TermWin.parent[0], str);
		919
		920	#ifdef SMART_WINDOW_TITLE
		921	if (name)
		922	XFree (name);
		923	#endif
		924	}
		925
		926	void
		927	rxvt_term::set_icon_name (const char *str)
		928	{
		929	#ifdef SMART_WINDOW_TITLE
		930	char *name;
		931
		932	if (!XGetIconName (display->display, TermWin.parent[0], &name))
		933	name = NULL;
		934
		935	if (name == NULL || STRCMP (name, str))
		936	#endif
		937	XSetIconName (display->display, TermWin.parent[0], str);
		938
		939	#ifdef SMART_WINDOW_TITLE
		940	if (name)
		941	XFree (name);
		942	#endif
		943	}
		944
		945	#ifdef XTERM_COLOR_CHANGE
		946	void
		947	rxvt_term::set_window_color (int idx, const char *color)
		948	{
		949	rxvt_color xcol;
		950	int i;
		951
		952	if (color == NULL || *color == '\0')
		953	return;
		954
		955	/* handle color aliases */
		956	if (isdigit (*color))
		957	{
		958	i = atoi (color);
		959	if (i >= 8 && i <= 15)
		960	{ /* bright colors */
		961	i -= 8;
		962	# ifndef NO_BRIGHTCOLOR
		963	PixColorsFocused[idx] = PixColorsFocused[minBrightCOLOR + i];
		964	SET_PIXCOLOR (idx);
		965	goto Done;
		966	# endif
		967
		968	}
		969	if (i >= 0 && i <= 7)
		970	{ /* normal colors */
		971	PixColorsFocused[idx] = PixColorsFocused[minCOLOR + i];
		972	SET_PIXCOLOR (idx);
		973	goto Done;
		974	}
		975	}
		976
		977	if (!rXParseAllocColor (& xcol, color))
		978	return;
		979
		980	/* XStoreColor (display->display, XCMAP, XColor*); */
		981
		982	/*
		983	* FIXME: should free colors here, but no idea how to do it so instead,
		984	* so just keep gobbling up the colormap
		985	*/
		986	# if 0
		987	for (i = Color_Black; i <= Color_White; i++)
		988	if (PixColors[idx] == PixColors[i])
		989	break;
		990	if (i > Color_White)
		991	{
		992	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
		993	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,
		994	DisplayPlanes (display->display, display->screen));
		995	}
		996	# endif
		997
		998	PixColorsFocused[idx] = xcol;
		999	SET_PIXCOLOR (idx);
		1000
		1001	/* XSetWindowAttributes attr; */
		1002	/* Cursor cursor; */
		1003	Done:
		1004	#ifdef OFF_FOCUS_FADING
		1005	PixColorsUnFocused[idx] = PixColorsFocused[idx].fade (display, atoi (rs[Rs_fade]));
		1006	#endif
		1007	if (idx == Color_bg && ! (Options & Opt_transparent))
		1008	XSetWindowBackground (display->display, TermWin.vt, PixColors[Color_bg]);
		1009
		1010	/* handle Color_BD, scrollbar background, etc. */
		1011
		1012	set_colorfgbg ();
		1013	recolour_cursor ();
		1014	scr_touch (true);
		1015	}
		1016
560	#else	1017	#else
561	char *name;
562
563	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
564	name = NULL;
565	if (name == NULL || STRCMP(name, str))
566	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
567	if (name)
568	XFree(name);
569	#endif
570	}
571
572	/* EXTPROTO */
573	void
574	rxvt_set_iconName(pR_ const char *str)
575	{
576	#ifndef SMART_WINDOW_TITLE
577	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
578	#else
579	char *name;
580
581	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
582	name = NULL;
583	if (name == NULL || STRCMP(name, str))
584	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
585	if (name)
586	XFree(name);
587	#endif
588	}
589
590	#ifdef XTERM_COLOR_CHANGE
591	/* EXTPROTO */
592	void
593	rxvt_set_window_color(pR_ int idx, const char *color)
594	{
595	rxvt_color xcol;
596	int i;
597
598	if (color == NULL || *color == '\0')
599	return;
600
601	/* handle color aliases */
602	if (isdigit(*color)) {
603	i = atoi(color);
604	if (i >= 8 && i <= 15) { /* bright colors */
605	i -= 8;
606	# ifndef NO_BRIGHTCOLOR
607	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
608	SET_PIXCOLOR(R->h, idx);
609	goto Done;
610	# endif
611	}
612	if (i >= 0 && i <= 7) { /* normal colors */
613	R->PixColors[idx] = R->PixColors[minCOLOR + i];
614	SET_PIXCOLOR(R->h, idx);
615	goto Done;
616	}
617	}
618	if (!rxvt_rXParseAllocColor(aR_ &xcol, color))
619	return;
620	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
621
622	/*
623	* FIXME: should free colors here, but no idea how to do it so instead,
624	* so just keep gobbling up the colormap
625	*/
626	# if 0
627	for (i = Color_Black; i <= Color_White; i++)
628	if (R->PixColors[idx] == R->PixColors[i])
629	break;
630	if (i > Color_White) {
631	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
632	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
633	DisplayPlanes(R->Xdisplay, Xscreen));
634	}
635	# endif
636
637	R->PixColors[idx] = xcol;
638	SET_PIXCOLOR(R->h, idx);
639
640	/* XSetWindowAttributes attr; */
641	/* Cursor cursor; */
642	Done:
643	if (idx == Color_bg && !(R->Options & Opt_transparent))
644	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
645	R->PixColors[Color_bg]);
646
647	/* handle Color_BD, scrollbar background, etc. */
648
649	rxvt_set_colorfgbg(aR);
650	rxvt_recolour_cursor(aR);
651	/* the only reasonable way to enforce a clean update */
652	rxvt_scr_poweron(aR);
653	}
654
655	#else
656	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	1018	# define set_window_color (idx,color) ((void)0)
657	#endif /* XTERM_COLOR_CHANGE */	1019	#endif /* XTERM_COLOR_CHANGE */
658		1020
659	/* EXTPROTO */
660	void	1021	void
661	rxvt_recolour_cursor(pR)	1022	rxvt_term::recolour_cursor ()
662	{	1023	{
663	rxvt_color xcol[2];	1024	XColor xcol[2];
664		1025
665	#if TODO	1026	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg) ? PixColorsFocused[Color_pointer_fg] : PixColorsFocused[Color_fg];
666	xcol[0] = R->PixColors[Color_pointer];	1027	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg) ? PixColorsFocused[Color_pointer_bg] : PixColorsFocused[Color_bg];
667	xcol[1] = R->PixColors[Color_bg];
668	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	1028	XQueryColors (display->display, XCMAP, xcol, 2);
669	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	1029	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
670	#endif
671	}	1030	}
672		1031
673	/*----------------------------------------------------------------------*/	1032	/*----------------------------------------------------------------------*/
674	/*	1033	/*
675	* find if fg/bg matches any of the normal (low-intensity) colors	1034	* find if fg/bg matches any of the normal (low-intensity) colors
676	*/	1035	*/
677	/* INTPROTO */
678	void	1036	void
679	rxvt_set_colorfgbg(pR)	1037	rxvt_term::set_colorfgbg ()
680	{	1038	{
681	unsigned int i;	1039	unsigned int i;
682	const char *xpmb = "\0";	1040	const char *xpmb = "\0";
683	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1041	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
684		1042
		1043	env_colorfgbg =
685	R->h->env_colorfgbg = (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1044	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
686	STRCPY(fstr, "default");	1045	STRCPY (fstr, "default");
687	STRCPY(bstr, "default");	1046	STRCPY (bstr, "default");
688	for (i = Color_Black; i <= Color_White; i++)	1047	for (i = Color_Black; i <= Color_White; i++)
689	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1048	if (PixColors[Color_fg] == PixColors[i])
		1049	{
690	sprintf(fstr, "%d", (i - Color_Black));	1050	sprintf (fstr, "%d", (i - Color_Black));
691	break;	1051	break;
692	}	1052	}
693	for (i = Color_Black; i <= Color_White; i++)	1053	for (i = Color_Black; i <= Color_White; i++)
694	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1054	if (PixColors[Color_bg] == PixColors[i])
		1055	{
695	sprintf(bstr, "%d", (i - Color_Black));	1056	sprintf (bstr, "%d", (i - Color_Black));
696	#ifdef XPM_BACKGROUND	1057	#ifdef XPM_BACKGROUND
697	xpmb = "default;";	1058	xpmb = "default;";
698	#endif	1059	#endif
699	break;	1060	break;
700	}	1061	}
		1062
701	sprintf(R->h->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1063	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
702	putenv(R->h->env_colorfgbg);
703		1064
704	#ifndef NO_BRIGHTCOLOR	1065	#ifndef NO_BRIGHTCOLOR
705	R->h->colorfgbg = DEFAULT_RSTYLE;	1066	colorfgbg = DEFAULT_RSTYLE;
706	for (i = minCOLOR; i <= maxCOLOR; i++) {	1067	for (i = minCOLOR; i <= maxCOLOR; i++)
		1068	{
707	if (R->PixColors[Color_fg] == R->PixColors[i])	1069	if (PixColors[Color_fg] == PixColors[i])
708	R->h->colorfgbg = SET_FGCOLOR(R->h->colorfgbg, i);	1070	colorfgbg = SET_FGCOLOR (colorfgbg, i);
709	if (R->PixColors[Color_bg] == R->PixColors[i])	1071	if (PixColors[Color_bg] == PixColors[i])
710	R->h->colorfgbg = SET_BGCOLOR(R->h->colorfgbg, i);	1072	colorfgbg = SET_BGCOLOR (colorfgbg, i);
711	}	1073	}
712	#endif	1074	#endif
713	}	1075	}
714		1076
715	/*----------------------------------------------------------------------*/	1077	/*----------------------------------------------------------------------*/
716	/*	1078	/*
717	* Colour determination for low colour displays, routine from	1079	* Colour determination for low colour displays, routine from
718	* Hans de Goede <hans@highrise.nl>	1080	* Hans de Goede <hans@highrise.nl>
719	*/	1081	*/
720		1082
721	/* EXTPROTO */
722	int	1083	int
723	rxvt_rXParseAllocColor(pR_ rxvt_color *screen_in_out, const char *colour)	1084	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
724	{	1085	{
725	screen_in_out->set (aR_ colour);
726
727	if (!screen_in_out->set (aR_ colour))	1086	if (!screen_in_out->set (display, colour))
728	{	1087	{
729	rxvt_print_error("can't allocate colour: %s", colour);	1088	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
730	return false;	1089	return false;
731	}	1090	}
732		1091
733	return true;	1092	return true;
734	}	1093	}
735		1094
736	/* -------------------------------------------------------------------- *	1095	/* -------------------------------------------------------------------- *
737	* - WINDOW RESIZING - *	1096	* - WINDOW RESIZING - *
738	* -------------------------------------------------------------------- */	1097	* -------------------------------------------------------------------- */
739	/* EXTPROTO */
740	void	1098	void
741	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, int ignoreparent)	1099	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)
742	{	1100	{
743	int fix_screen;	1101	int fix_screen;
		1102
744	#ifdef SMART_RESIZE	1103	#ifdef SMART_RESIZE
745	int old_width = R->szHint.width,	1104	int old_width = szHint.width, old_height = szHint.height;
746	old_height = R->szHint.height;
747	#endif	1105	#endif
748		1106
749	rxvt_window_calc(aR_ width, height);	1107	window_calc (width, height);
750	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);	1108	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);
		1109
751	if (!ignoreparent) {	1110	if (!ignoreparent)
		1111	{
752	#ifdef SMART_RESIZE	1112	#ifdef SMART_RESIZE
753	/*	1113	/*
754	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1114	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
755	* reposition window on resize depending on placement on screen	1115	* reposition window on resize depending on placement on screen
756	*/	1116	*/
757	int x, y, x1, y1;	1117	int x, y, x1, y1;
758	int dx, dy;	1118	int dx, dy;
759	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1119	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
760	Window unused_cr;	1120	Window unused_cr;
761		1121
762	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1122	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,
763	0, 0, &x, &y, &unused_cr);	1123	0, 0, &x, &y, &unused_cr);
764	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1124	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,
765	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1125	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
766	/*	1126	/*
767	* if Xroot isn't the parent window, a WM will probably have offset	1127	* if display->root isn't the parent window, a WM will probably have offset
768	* our position for handles and decorations. Counter it	1128	* our position for handles and decorations. Counter it
769	*/	1129	*/
770	if (x1 != x || y1 != y) {	1130	if (x1 != x || y1 != y)
		1131	{
771	x -= x1;	1132	x -= x1;
772	y -= y1;	1133	y -= y1;
773	}	1134	}
774		1135
775	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1136	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;
776	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1137	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;
777	dx = old_width - R->szHint.width;	1138	dx = old_width - szHint.width;
778	dy = old_height - R->szHint.height;	1139	dy = old_height - szHint.height;
779		1140
780	/* Check position of the center of the window */	1141	/* Check position of the center of the window */
781	if (x < x1) /* left half */	1142	if (x < x1) /* left half */
782	dx = 0;	1143	dx = 0;
783	else if (x == x1) /* exact center */	1144	else if (x == x1) /* exact center */
784	dx /= 2;	1145	dx /= 2;
785	if (y < y1) /* top half */	1146	if (y < y1) /* top half */
786	dy = 0;	1147	dy = 0;
787	else if (y == y1) /* exact center */	1148	else if (y == y1) /* exact center */
788	dy /= 2;	1149	dy /= 2;
789		1150
790	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1151	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,
791	R->szHint.width, R->szHint.height);	1152	szHint.width, szHint.height);
792	#else	1153	#else
793	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1154	XResizeWindow (display->display, TermWin.parent[0], szHint.width, szHint.height);
794	R->szHint.height);
795	#endif	1155	#endif
796	}	1156	}
797		1157
798	fix_screen = (R->TermWin.ncol != R->h->prev_ncol	1158	fix_screen = TermWin.ncol != prev_ncol || TermWin.nrow != prev_nrow;
799	|| R->TermWin.nrow != R->h->prev_nrow);	1159
800	if (fix_screen || width != R->h->old_width || height != R->h->old_height) {	1160	if (fix_screen || width != old_width || height != old_height)
		1161	{
801	if (scrollbar_visible(R)) {	1162	if (scrollbar_visible ())
802	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->h->window_sb_x,	1163	{
803	0, scrollbar_TotalWidth(), R->szHint.height);	1164	XMoveResizeWindow (display->display, scrollBar.win,
804	rxvt_Resize_scrollBar(aR);	1165	window_sb_x, 0,
805	}	1166	scrollbar_TotalWidth (), szHint.height);
		1167	resize_scrollbar ();
		1168	}
		1169
806	if (menubar_visible(R))	1170	if (menubar_visible ())
807	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->h->window_vt_x,	1171	XMoveResizeWindow (display->display, menuBar.win,
808	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1172	window_vt_x, 0,
809	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->h->window_vt_x,	1173	TermWin_TotalWidth (), menuBar_TotalHeight ());
810	R->h->window_vt_y, TermWin_TotalWidth(),	1174
811	TermWin_TotalHeight());	1175	XMoveResizeWindow (display->display, TermWin.vt,
812	#ifdef RXVT_GRAPHICS	1176	window_vt_x, window_vt_y,
813	if (R->h->old_height)	1177	TermWin_TotalWidth (), TermWin_TotalHeight ());
814	rxvt_Gr_Resize(aR_ R->h->old_width - R->szHint.base_width,	1178	scr_clear ();
815	R->h->old_height - R->szHint.base_height);
816	#endif
817	rxvt_scr_clear(aR);
818	#ifdef XPM_BACKGROUND	1179	#ifdef XPM_BACKGROUND
819	rxvt_resize_pixmap(aR);	1180	resize_pixmap ();
820	#endif	1181	#endif
821	}	1182	}
822		1183
823	if (fix_screen || R->h->old_height == 0) {	1184	if (fix_screen || old_height == 0)
824	int curr_screen = -1;	1185	{
825	uint16_t old_ncol = R->h->prev_ncol;	1186	int curr_screen = -1;
		1187	int old_ncol = prev_ncol;
826		1188
827	/* scr_reset only works on the primary screen */	1189	/* scr_reset only works on the primary screen */
828	if (R->h->old_height) /* this is not the first time through */	1190	if (old_height) /* this is not the first time through */
		1191	{
		1192	unsigned int ncol = TermWin.ncol;
		1193	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
829	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1194	curr_screen = scr_change_screen (PRIMARY);
830	rxvt_scr_reset(aR);	1195	TermWin.ncol = ncol;
		1196	}
		1197
		1198	scr_reset ();
		1199
831	if (curr_screen >= 0) { /* this is not the first time through */	1200	if (curr_screen >= 0) /* this is not the first time through */
832	rxvt_scr_change_screen(aR_ curr_screen);	1201	{
		1202	scr_change_screen (curr_screen);
833	rxvt_selection_check(aR_ (old_ncol != R->TermWin.ncol ? 4 : 0));	1203	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
834	}	1204	}
835	}	1205	}
836		1206
837	R->h->old_width = R->szHint.width;	1207	old_width = szHint.width;
838	R->h->old_height = R->szHint.height;	1208	old_height = szHint.height;
839		1209
840	#ifdef USE_XIM	1210	#ifdef USE_XIM
841	rxvt_IMSetStatusPosition(aR);	1211	IMSetStatusPosition ();
842	#endif	1212	#endif
843	}	1213	}
844		1214
845	/*	1215	/*
846	* Set the width/height of the vt window in characters. Units are pixels.	1216	* Set the width/height of the vt window in characters. Units are pixels.
847	* good for toggling 80/132 columns	1217	* good for toggling 80/132 columns
848	*/	1218	*/
849	/* EXTPROTO */
850	void	1219	void
851	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1220	rxvt_term::set_widthheight (unsigned int width, unsigned int height)
852	{	1221	{
853	XWindowAttributes wattr;	1222	XWindowAttributes wattr;
854		1223
855	if (width == 0 || height == 0) {	1224	if (width == 0 || height == 0)
		1225	{
856	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1226	XGetWindowAttributes (display->display, display->root, &wattr);
857	if (width == 0)	1227	if (width == 0)
858	width = wattr.width - R->szHint.base_width;	1228	width = wattr.width - szHint.base_width;
859	if (height == 0)	1229	if (height == 0)
860	height = wattr.height - R->szHint.base_height;	1230	height = wattr.height - szHint.base_height;
861	}	1231	}
862	if (width != R->TermWin.width || height != R->TermWin.height) {	1232	if (width != TermWin.width || height != TermWin.height)
		1233	{
863	width += R->szHint.base_width;	1234	width += szHint.base_width;
864	height += R->szHint.base_height;	1235	height += szHint.base_height;
865	rxvt_resize_all_windows(aR_ width, height, 0);	1236	resize_all_windows (width, height, 0);
866	}	1237	}
867	}	1238	}
868		1239
869	/* -------------------------------------------------------------------- *	1240	/* -------------------------------------------------------------------- *
870	* - X INPUT METHOD ROUTINES - *	1241	* - X INPUT METHOD ROUTINES - *
871	* -------------------------------------------------------------------- */	1242	* -------------------------------------------------------------------- */
872	#ifdef USE_XIM	1243	#ifdef USE_XIM
873	/* INTPROTO */	1244
874	void	1245	void
875	rxvt_setSize(pR_ XRectangle *size)	1246	rxvt_term::im_set_size (XRectangle *size)
876	{	1247	{
877	size->x = R->TermWin.int_bwidth;	1248	size->x = TermWin.int_bwidth;
878	size->y = R->TermWin.int_bwidth;	1249	size->y = TermWin.int_bwidth;
879	size->width = Width2Pixel(R->TermWin.ncol);	1250	size->width = Width2Pixel (TermWin.ncol);
880	size->height = Height2Pixel(R->TermWin.nrow);	1251	size->height = Height2Pixel (TermWin.nrow);
881	}	1252	}
882		1253
883	/* INTPROTO */
884	void	1254	void
885	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1255	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)
886	{	1256	{
887	*fg = R->PixColors[Color_fg];	1257	*fg = PixColors[Color_fg];
888	*bg = R->PixColors[Color_bg];	1258	*bg = PixColors[Color_bg];
889	}	1259	}
890		1260
891	/* Checking whether input method is running. */	1261	/* Checking whether input method is running. */
892	/* INTPROTO */
893	Bool	1262	bool
894	rxvt_IMisRunning(pR)	1263	rxvt_term::IMisRunning ()
895	{	1264	{
896	char *p;	1265	char *p;
897	Atom atom;	1266	Atom atom;
898	Window win;	1267	Window win;
899	char server[IMBUFSIZ];	1268	char server[IMBUFSIZ];
900		1269
901	/* get current locale modifier */	1270	/* get current locale modifier */
902	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1271	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1272	{
903	STRCPY(server, "@server=");	1273	STRCPY (server, "@server=");
904	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1274	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
905	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1275	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */
906	*p = '\0';	1276	*p = '\0';
907		1277
908	atom = XInternAtom(R->Xdisplay, server, False);	1278	atom = XInternAtom (display->display, server, False);
909	win = XGetSelectionOwner(R->Xdisplay, atom);	1279	win = XGetSelectionOwner (display->display, atom);
910	if (win != None)	1280	if (win != None)
911	return True;	1281	return True;
912	}	1282	}
913	return False;	1283	return False;
914	}	1284	}
915		1285
916	/* EXTPROTO */
917	void	1286	void
918	rxvt_IMSendSpot(pR)	1287	rxvt_term::IMSendSpot ()
919	{	1288	{
920	XPoint spot;	1289	XPoint spot;
921	XVaNestedList preedit_attr;	1290	XVaNestedList preedit_attr;
922		1291
923	if (R->h->Input_Context == NULL	1292	if (Input_Context == NULL
924	|| !R->TermWin.focus	1293	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)
925	|| !(R->h->input_style & XIMPreeditPosition)
926	|| !(R->h->event_type == KeyPress	1294	|| ! (event_type == KeyPress
927	|| R->h->event_type == Expose	1295	|| event_type == Expose
928	|| R->h->event_type == NoExpose	1296	|| event_type == NoExpose
929	|| R->h->event_type == SelectionNotify	1297	|| event_type == SelectionNotify
930	|| R->h->event_type == ButtonRelease	1298	|| event_type == ButtonRelease || event_type == FocusIn)
931	|| R->h->event_type == FocusIn)	1299	|| !IMisRunning ())
932	|| !rxvt_IMisRunning(aR))	1300	return;
933	return;
934		1301
935	rxvt_setPosition(aR_ &spot);	1302	im_set_position (&spot);
936		1303
937	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1304	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
938	XSetICValues(R->h->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1305	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
939	XFree(preedit_attr);	1306	XFree (preedit_attr);
940	}	1307	}
941		1308
942	/* EXTPROTO */
943	void	1309	void
944	rxvt_setTermFontSet(pR_ int idx)	1310	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
		1311	XRectangle * needed_rect)
945	{	1312	{
946	char *string;	1313	int mbh, vtx = 0;
947	long length;
948	int success = 0;
949		1314
950	if (idx < 0 || idx >= MAX_NFONTS)
951	return;
952	}
953
954	/* INTPROTO */
955	void
956	rxvt_setPreeditArea(pR_ XRectangle *preedit_rect, XRectangle *status_rect, XRectangle *needed_rect)
957	{
958	int mbh, vtx = 0;
959
960	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))	1315	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
961	vtx = scrollbar_TotalWidth();	1316	vtx = scrollbar_TotalWidth ();
		1317
962	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;	1318	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
963	mbh -= R->TermWin.lineSpace;	1319	mbh -= TermWin.lineSpace;
964		1320
965	preedit_rect->x = needed_rect->width + vtx;	1321	preedit_rect->x = needed_rect->width + vtx;
966	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;	1322	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
967		1323
968	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width	1324	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
969	+ vtx;
970	preedit_rect->height = Height2Pixel(1);	1325	preedit_rect->height = Height2Pixel (1);
971		1326
972	status_rect->x = vtx;	1327	status_rect->x = vtx;
973	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;	1328	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
974		1329
975	status_rect->width = needed_rect->width ? needed_rect->width	1330	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
976	: Width2Pixel(R->TermWin.ncol + 1);
977	status_rect->height = Height2Pixel(1);	1331	status_rect->height = Height2Pixel (1);
978	}	1332	}
979		1333
980	/* ARGSUSED */
981	/* INTPROTO */
982	void	1334	void
983	rxvt_IMDestroyCallback(XIM xim __attribute__((unused)), XPointer client_data __attribute__((unused)), XPointer call_data __attribute__((unused)))	1335	rxvt_term::im_destroy ()
984	{	1336	{
985	dR;	1337	if (Input_Context)
986		1338	{
		1339	XDestroyIC (Input_Context);
987	R->h->Input_Context = NULL;	1340	Input_Context = NULL;
988	/* To avoid Segmentation Fault in C locale: Solaris only? */
989	if (STRCMP(R->h->locale, "C"))
990	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
991	rxvt_IMInstantiateCallback, NULL);
992	}
993
994	/*
995	* X manual pages and include files don't match on some systems:
996	* some think this is an XIDProc and others an XIMProc so we can't
997	* use the first argument - need to update this to be nice for
998	* both types via some sort of configure detection
999	*/
1000	/* ARGSUSED */
1001	/* EXTPROTO */
1002	void
1003	rxvt_IMInstantiateCallback(Display *unused __attribute__((unused)), XPointer client_data __attribute__((unused)), XPointer call_data __attribute__((unused)))
1004	{
1005	dR;
1006	int i, found, had_im;
1007	const char *p;
1008	char **s;
1009	char buf[IMBUFSIZ];
1010
1011	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1012	if (R->h->Input_Context)
1013	return;
1014
1015	found = had_im = 0;
1016	p = R->h->rs[Rs_inputMethod];
1017	if (p && *p) {
1018	had_im = 1;
1019	s = rxvt_splitcommastring(p);
1020	for (i = 0; s[i]; i++) {
1021	if (*s[i]) {
1022	STRCPY(buf, "@im=");
1023	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1024	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1025	&& (rxvt_IM_get_IC(aR) == True)) {
1026	found = 1;
1027	break;
1028	}
1029	}	1341	}
1030	}	1342
1031	for (i = 0; s[i]; i++)	1343	if (input_method)
1032	free(s[i]);
1033	free(s);
1034	}	1344	{
1035	if (found)	1345	display->put_xim (input_method);
1036	return;	1346	input_method = 0;
1037
1038	/* try with XMODIFIERS env. var. */
1039	if ((p = XSetLocaleModifiers("")) != NULL && *p) {
1040	rxvt_IM_get_IC(aR);
1041	return;
1042	}	1347	}
1043
1044	/* try with no modifiers base IF the user didn't specify an IM */
1045	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1046	&& rxvt_IM_get_IC(aR) == True)
1047	return;
1048	}	1348	}
1049		1349
1050	/*	1350	/*
1051	* Try to open a XIM with the current modifiers, then see if we can	1351	* Try to open a XIM with the current modifiers, then see if we can
1052	* open a suitable preedit type	1352	* open a suitable preedit type
1053	*/	1353	*/
1054	/* INTPROTO */
1055	Bool	1354	bool
1056	rxvt_IM_get_IC(pR)	1355	rxvt_term::IM_get_IC (const char *modifiers)
1057	{	1356	{
1058	int i, j, found;	1357	int i, j, found;
1059	XIM xim;	1358	XIM xim;
1060	XPoint spot;	1359	XPoint spot;
1061	XRectangle rect, status_rect, needed_rect;	1360	XRectangle rect, status_rect, needed_rect;
1062	unsigned long fg, bg;	1361	unsigned long fg, bg;
1063	const char *p;	1362	const char *p;
1064	char **s;	1363	char **s;
1065	XIMStyles *xim_styles;	1364	XIMStyles *xim_styles;
1066	XVaNestedList preedit_attr, status_attr;	1365	XVaNestedList preedit_attr, status_attr;
1067	XIMCallback ximcallback;
1068	struct rxvt_hidden *h = R->h;
1069		1366
		1367	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1368	return false;
		1369
1070	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1370	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1071	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1371	input_method = display->get_xim (locale, modifiers);
1072	if (xim == NULL)	1372	if (input_method == NULL)
1073	return False;	1373	return false;
1074		1374
		1375	xim = input_method->xim;
		1376
1075	xim_styles = NULL;	1377	xim_styles = NULL;
1076	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1378	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1077	|| !xim_styles || !xim_styles->count_styles) {	1379	|| !xim_styles || !xim_styles->count_styles)
1078	XCloseIM(xim);
1079	return False;
1080	}	1380	{
		1381	display->put_xim (input_method);
		1382	return false;
		1383	}
1081		1384
1082	p = h->rs[Rs_preeditType] ? h->rs[Rs_preeditType]	1385	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";
1083	: "OverTheSpot,OffTheSpot,Root";
1084	s = rxvt_splitcommastring(p);	1386	s = rxvt_splitcommastring (p);
1085	for (i = found = 0; !found && s[i]; i++) {	1387	for (i = found = 0; !found && s[i]; i++)
		1388	{
1086	if (!STRCMP(s[i], "OverTheSpot"))	1389	if (!STRCMP (s[i], "OverTheSpot"))
1087	h->input_style = (XIMPreeditPosition | XIMStatusNothing);	1390	input_style = (XIMPreeditPosition | XIMStatusNothing);
1088	else if (!STRCMP(s[i], "OffTheSpot"))	1391	else if (!STRCMP (s[i], "OffTheSpot"))
1089	h->input_style = (XIMPreeditArea | XIMStatusArea);	1392	input_style = (XIMPreeditArea | XIMStatusArea);
1090	else if (!STRCMP(s[i], "Root"))	1393	else if (!STRCMP (s[i], "Root"))
1091	h->input_style = (XIMPreeditNothing | XIMStatusNothing);	1394	input_style = (XIMPreeditNothing | XIMStatusNothing);
1092		1395
1093	for (j = 0; j < xim_styles->count_styles; j++)	1396	for (j = 0; j < xim_styles->count_styles; j++)
1094	if (h->input_style == xim_styles->supported_styles[j]) {	1397	if (input_style == xim_styles->supported_styles[j])
1095	found = 1;	1398	{
1096	break;	1399	found = 1;
		1400	break;
		1401	}
1097	}	1402	}
1098	}	1403
1099	for (i = 0; s[i]; i++)	1404	for (i = 0; s[i]; i++)
1100	free(s[i]);	1405	free (s[i]);
		1406
1101	free(s);	1407	free (s);
1102	XFree(xim_styles);	1408	XFree (xim_styles);
1103		1409
1104	if (!found) {	1410	if (!found)
1105	XCloseIM(xim);
1106	return False;
1107	}	1411	{
		1412	display->put_xim (input_method);
		1413	return false;
		1414	}
1108		1415
1109	ximcallback.callback = rxvt_IMDestroyCallback;
1110
1111	/* XXX: not sure why we need this (as well as IC one below) */
1112	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1113
1114	preedit_attr = status_attr = NULL;	1416	preedit_attr = status_attr = NULL;
1115		1417
1116	if (h->input_style & XIMPreeditPosition) {	1418	if (input_style & XIMPreeditPosition)
1117	rxvt_setSize(aR_ &rect);	1419	{
1118	rxvt_setPosition(aR_ &spot);	1420	im_set_size (&rect);
1119	rxvt_setColor(aR_ &fg, &bg);	1421	im_set_position (&spot);
		1422	im_set_color (&fg, &bg);
1120		1423
1121	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1424	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,
1122	XNSpotLocation, &spot,	1425	XNSpotLocation, &spot,
1123	XNForeground, fg,	1426	XNForeground, fg, XNBackground, bg,
1124	XNBackground, bg,	1427	//XNFontSet, TermWin.fontset,
1125	//XNFontSet, R->TermWin.fontset,
1126	NULL);
1127	} else if (h->input_style & XIMPreeditArea) {
1128	rxvt_setColor(aR_ &fg, &bg);
1129
1130	/*
1131	* The necessary width of preedit area is unknown
1132	* until create input context.
1133	*/
1134	needed_rect.width = 0;
1135
1136	rxvt_setPreeditArea(aR_ &rect, &status_rect, &needed_rect);
1137
1138	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1139	XNForeground, fg,
1140	XNBackground, bg,
1141	//XNFontSet, R->TermWin.fontset,
1142	NULL);
1143	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1144	XNForeground, fg,
1145	XNBackground, bg,
1146	//XNFontSet, R->TermWin.fontset,
1147	NULL);	1428	NULL);
		1429	}
		1430	else if (input_style & XIMPreeditArea)
1148	}	1431	{
		1432	im_set_color (&fg, &bg);
		1433
		1434	/*
		1435	* The necessary width of preedit area is unknown
		1436	* until create input context.
		1437	*/
		1438	needed_rect.width = 0;
		1439
		1440	im_set_preedit_area (&rect, &status_rect, &needed_rect);
		1441
		1442	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,
		1443	XNForeground, fg, XNBackground, bg,
		1444	//XNFontSet, TermWin.fontset,
		1445	NULL);
		1446	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,
		1447	XNForeground, fg, XNBackground, bg,
		1448	//XNFontSet, TermWin.fontset,
		1449	NULL);
		1450	}
		1451
1149	h->Input_Context = XCreateIC(xim, XNInputStyle, h->input_style,	1452	Input_Context = XCreateIC (xim, XNInputStyle, input_style,
1150	XNClientWindow, R->TermWin.parent[0],	1453	XNClientWindow, TermWin.parent[0],
1151	XNFocusWindow, R->TermWin.parent[0],	1454	XNFocusWindow, TermWin.parent[0],
1152	XNDestroyCallback, &ximcallback,	1455	preedit_attr ? XNPreeditAttributes : NULL,
1153	preedit_attr ? XNPreeditAttributes : NULL,	1456	preedit_attr,
1154	preedit_attr,	1457	status_attr ? XNStatusAttributes : NULL,
1155	status_attr ? XNStatusAttributes : NULL,	1458	status_attr, NULL);
1156	status_attr, NULL);	1459	if (preedit_attr) XFree (preedit_attr);
1157	if (preedit_attr)	1460	if (status_attr) XFree (status_attr);
1158	XFree(preedit_attr);	1461
1159	if (status_attr)
1160	XFree(status_attr);
1161	if (h->Input_Context == NULL) {	1462	if (Input_Context == NULL)
1162	rxvt_print_error("failed to create input context");
1163	XCloseIM(xim);
1164	return False;
1165	}	1463	{
		1464	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1465	display->put_xim (input_method);
		1466	return false;
		1467	}
		1468
1166	if (h->input_style & XIMPreeditArea)	1469	if (input_style & XIMPreeditArea)
1167	rxvt_IMSetStatusPosition(aR);	1470	IMSetStatusPosition ();
		1471
1168	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1472	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1169	return True;	1473	return true;
1170	}	1474	}
1171		1475
1172	/* EXTPROTO */
1173	void	1476	void
		1477	rxvt_term::im_cb ()
		1478	{
		1479	int i, found, had_im;
		1480	const char *p;
		1481	char **s;
		1482	char buf[IMBUFSIZ];
		1483
		1484	im_destroy ();
		1485
		1486	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
		1487	if (Input_Context)
		1488	return;
		1489
		1490	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1491	if (rs[Rs_imLocale])
		1492	SET_LOCALE (rs[Rs_imLocale]);
		1493	#endif
		1494
		1495	p = rs[Rs_inputMethod];
		1496	if (p && *p)
		1497	{
		1498	bool found = false;
		1499
		1500	s = rxvt_splitcommastring (p);
		1501	for (i = 0; s[i]; i++)
		1502	{
		1503	if (*s[i])
		1504	{
		1505	STRCPY (buf, "@im=");
		1506	STRNCAT (buf, s[i], IMBUFSIZ - 5);
		1507	if (IM_get_IC (buf))
		1508	{
		1509	found = true;
		1510	break;
		1511	}
		1512	}
		1513	}
		1514	for (i = 0; s[i]; i++)
		1515	free (s[i]);
		1516	free (s);
		1517
		1518	if (found)
		1519	goto done;
		1520	}
		1521
		1522	/* try with XMODIFIERS env. var. */
		1523	if (IM_get_IC (""))
		1524	goto done;
		1525
		1526	/* try with no modifiers base IF the user didn't specify an IM */
		1527	if (IM_get_IC ("@im=none"))
		1528	goto done;
		1529
		1530	done:
		1531	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1532	if (rs[Rs_imLocale])
		1533	SET_LOCALE (locale);
		1534	#endif
		1535	}
		1536
		1537	void
1174	rxvt_IMSetStatusPosition(pR)	1538	rxvt_term::IMSetStatusPosition ()
1175	{	1539	{
1176	XRectangle preedit_rect, status_rect, *needed_rect;	1540	XRectangle preedit_rect, status_rect, *needed_rect;
1177	XVaNestedList preedit_attr, status_attr;	1541	XVaNestedList preedit_attr, status_attr;
1178		1542
1179	if (R->h->Input_Context == NULL	1543	if (Input_Context == NULL
1180	|| !R->TermWin.focus	1544	|| !TermWin.focus || ! (input_style & XIMPreeditArea)
1181	|| !(R->h->input_style & XIMPreeditArea)	1545	|| !IMisRunning ())
1182	|| !rxvt_IMisRunning(aR))	1546	return;
1183	return;
1184		1547
1185	/* Getting the necessary width of preedit area */	1548	/* Getting the necessary width of preedit area */
1186	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1549	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1187	XGetICValues(R->h->Input_Context, XNStatusAttributes, status_attr, NULL);	1550	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1188	XFree(status_attr);	1551	XFree (status_attr);
1189		1552
1190	rxvt_setPreeditArea(aR_ &preedit_rect, &status_rect, needed_rect);	1553	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);
1191		1554
1192	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1555	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1193	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1556	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1194		1557
1195	XSetICValues(R->h->Input_Context,	1558	XSetICValues (Input_Context,
1196	XNPreeditAttributes, preedit_attr,	1559	XNPreeditAttributes, preedit_attr,
1197	XNStatusAttributes, status_attr, NULL);	1560	XNStatusAttributes, status_attr, NULL);
1198		1561
1199	XFree(preedit_attr);	1562	XFree (preedit_attr);
1200	XFree(status_attr);	1563	XFree (status_attr);
1201	}	1564	}
1202	#endif /* USE_XIM */	1565	#endif /* USE_XIM */
1203		1566
1204	/*----------------------------------------------------------------------*/	1567	/*----------------------------------------------------------------------*/
1205	rxvt_t *rxvt_current_term;	1568	rxvt_t rxvt_current_term;
1206		1569
1207	/*----------------------- end-of-file (C source) -----------------------*/	1570	/*----------------------- end-of-file (C source) -----------------------*/

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