xref: /netbsd/lib/libcurses/meta.c (revision bf9ec67e)
1 /*	$NetBSD: meta.c,v 1.5 2001/12/02 09:14:21 blymn 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 1.5 2001/12/02 09:14:21 blymn 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  */
44 int
45 meta(/*ARGSUSED*/ WINDOW *win, bool bf)
46 {
47 	if (bf == TRUE) {
48 		if (__tc_mm != NULL) {
49 #ifdef DEBUG
50 			__CTRACE("meta: TRUE\n");
51 #endif
52 			tputs(__tc_mm, 0, __cputchar);
53 			_cursesi_screen->meta_state = TRUE;
54 		}
55 	} else {
56 		if (__tc_mo != NULL) {
57 #ifdef DEBUG
58 			__CTRACE("meta: FALSE\n");
59 #endif
60 			tputs(__tc_mo, 0, __cputchar);
61 			_cursesi_screen->meta_state = FALSE;
62 		}
63 	}
64 
65 	return OK;
66 }
67 
68 /*
69  * __restore_meta_state --
70  *    Restore old meta state.
71  */
72 void
73 __restore_meta_state(void)
74 {
75 	meta(NULL, _cursesi_screen->meta_state);
76 }
77 
78