1 /* $NetBSD: meta.c,v 1.11 2024/12/23 02:58:03 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 1.11 2024/12/23 02:58:03 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
meta(WINDOW * win,bool bf)45 meta(/*ARGSUSED*/ WINDOW *win, bool bf)
46 {
47 if (__predict_false(win == NULL))
48 return ERR;
49
50 if (bf == TRUE) {
51 if (meta_on != NULL) {
52 __CTRACE(__CTRACE_MISC, "meta: TRUE\n");
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 __CTRACE(__CTRACE_MISC, "meta: FALSE\n");
60 tputs(meta_off, 0, __cputchar);
61 _cursesi_screen->meta_state = FALSE;
62 fflush(_cursesi_screen->outfd);
63 }
64 }
65
66 return OK;
67 }
68
69 /*
70 * __restore_meta_state --
71 * Restore old meta state.
72 */
73 void
__restore_meta_state(void)74 __restore_meta_state(void)
75 {
76
77 meta(NULL, _cursesi_screen->meta_state);
78 }
79
80