meta.c revision 1.9 
1/*	$NetBSD: meta.c,v 1.9 2017/01/06 13:53:18 roy Exp $	*/
2
3/*-
4 * Copyright (c) 1998-2000 Brett Lymn
5 *                         (blymn@baea.com.au, brett_lymn@yahoo.com.au)
6 * All rights reserved.
7 *
8 * This code has been donated to The NetBSD Foundation by the Author.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 *
30 */
31
32#include <sys/cdefs.h>
33#ifndef lint
34__RCSID("$NetBSD: meta.c,v 1.9 2017/01/06 13:53:18 roy Exp $");
35#endif				/* not lint */
36
37#include "curses.h"
38#include "curses_private.h"
39
40/*
41 * meta --
42 *    Turn on or off the terminal meta mode.
43 */
44int
45meta(/*ARGSUSED*/ WINDOW *win, bool bf)
46{
47
48	if (bf == TRUE) {
49		if (meta_on != NULL) {
50#ifdef DEBUG
51			__CTRACE(__CTRACE_MISC, "meta: TRUE\n");
52#endif
53			tputs(meta_on, 0, __cputchar);
54			_cursesi_screen->meta_state = TRUE;
55			fflush(_cursesi_screen->outfd);
56		}
57	} else {
58		if (meta_off != NULL) {
59#ifdef DEBUG
60			__CTRACE(__CTRACE_MISC, "meta: FALSE\n");
61#endif
62			tputs(meta_off, 0, __cputchar);
63			_cursesi_screen->meta_state = FALSE;
64			fflush(_cursesi_screen->outfd);
65		}
66	}
67
68	return OK;
69}
70
71/*
72 * __restore_meta_state --
73 *    Restore old meta state.
74 */
75void
76__restore_meta_state(void)
77{
78
79	meta(NULL, _cursesi_screen->meta_state);
80}
81
82