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 1997 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1988 AT&T */
28 /* All Rights Reserved */
29
30 /*
31 * University Copyright- Copyright (c) 1982, 1986, 1988
32 * The Regents of the University of California
33 * All Rights Reserved
34 *
35 * University Acknowledgment- Portions of this document are derived from
36 * software developed by the University of California, Berkeley, and its
37 * contributors.
38 */
39
40 /*LINTLIBRARY*/
41
42 #include <sys/types.h>
43 #include "curses_inc.h"
44
45 int
wattroff(WINDOW * win,chtype a)46 wattroff(WINDOW *win, chtype a)
47 {
48 /* if attribute contains color information, but this is not a color */
49 /* terminal, or that color information doesn't match the one stored */
50 /* inside _attrs, ignore that information. */
51
52 if (((a & A_COLOR) && (cur_term->_pairs_tbl == NULL)) ||
53 ((a & A_COLOR) != (win->_attrs & A_COLOR)))
54 a &= ~A_COLOR;
55
56 if ((a & A_ATTRIBUTES) == A_NORMAL)
57 return (1);
58
59 /* turn off the attributes */
60
61 win->_attrs &= ~a & A_ATTRIBUTES;
62
63 /* if background contains color information different from the one */
64 /* we have just turned off, turn that color on. (Reason: the */
65 /* color we have just turned off was set by wattron(), so the */
66 /* back-ground color was blocked. However, now the background */
67 /* color can be seen. */
68
69 if ((a & A_COLOR) && ((a & A_COLOR) != (win->_bkgd & A_COLOR)))
70 win->_attrs |= (win->_bkgd & A_COLOR);
71
72 return (1);
73 }
74