xref: /illumos-gate/usr/src/lib/libxcurses2/src/libc/xcurses/touched.c (revision e4d060fb4c00d44cd578713eb9a921f594b733b8)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 1995-1998 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /* LINTLIBRARY */
30 
31 /*
32  * touched.c
33  *
34  * XCurses Library
35  *
36  * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
37  *
38  */
39 
40 #if M_RCSID
41 #ifndef lint
42 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/touched.c 1.2 "
43 "1995/06/15 18:42:55 ant Exp $";
44 #endif
45 #endif
46 
47 #include <private.h>
48 
49 /*
50  * Return true if line has been touched.  See wtouchln().
51  *
52  *	touched 	0 <= _first[y] <= _last[y] <= _maxx
53  * 	untouched	_last[y] < 0 < _maxx <= _first[y].
54  */
55 #undef is_linetouched
56 
57 bool
58 is_linetouched(WINDOW *w, int y)
59 {
60 	return (0 <= w->_last[y]);
61 }
62 
63 #undef is_wintouched
64 
65 bool
66 is_wintouched(WINDOW *w)
67 {
68 	int	y, value;
69 
70 	for (y = 0; y < w->_maxy; ++y)
71 		if ((value = (0 <= w->_last[y])) != 0)
72 			break;
73 
74 	return (value);
75 }
76