attributes.c revision 1.10 1 /* $NetBSD: attributes.c,v 1.10 2003/01/27 21:04:10 jdc Exp $ */
2
3 /*-
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Julian Coleman.
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. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include <sys/cdefs.h>
40 #ifndef lint
41 __RCSID("$NetBSD: attributes.c,v 1.10 2003/01/27 21:04:10 jdc Exp $");
42 #endif /* not lint */
43
44 #include "curses.h"
45 #include "curses_private.h"
46
47 #ifndef _CURSES_USE_MACROS
48 /*
49 * attron --
50 * Test and set attributes on stdscr
51 */
52
53 int
54 attron(int attr)
55 {
56 return wattron(stdscr, attr);
57 }
58
59 /*
60 * attroff --
61 * Test and unset attributes on stdscr.
62 */
63 int
64 attroff(int attr)
65 {
66 return wattroff(stdscr, attr);
67 }
68
69 /*
70 * attrset --
71 * Set specific attribute modes.
72 * Unset others. On stdscr.
73 */
74 int
75 attrset(int attr)
76 {
77 return wattrset(stdscr, attr);
78 }
79
80 #endif
81
82 /*
83 * wattron --
84 * Test and set attributes.
85 *
86 * Modes are blinking, bold (extra bright), dim (half-bright),
87 * blanking (invisible), protected and reverse video
88 */
89
90 int
91 wattron(WINDOW *win, int attr)
92 {
93 #ifdef DEBUG
94 __CTRACE ("wattron: win %0.2o, attr %08x\n", win, attr);
95 #endif
96 /* If can enter modes, set the relevent attribute bits. */
97 if (__tc_me != NULL) {
98 if ((attr_t) attr & __BLINK && __tc_mb != NULL)
99 win->wattr |= __BLINK;
100 if ((attr_t) attr & __BOLD && __tc_md != NULL)
101 win->wattr |= __BOLD;
102 if ((attr_t) attr & __DIM && __tc_mh != NULL)
103 win->wattr |= __DIM;
104 if ((attr_t) attr & __BLANK && __tc_mk != NULL)
105 win->wattr |= __BLANK;
106 if ((attr_t) attr & __PROTECT && __tc_mp != NULL)
107 win->wattr |= __PROTECT;
108 if ((attr_t) attr & __REVERSE && __tc_mr != NULL)
109 win->wattr |= __REVERSE;
110 }
111 if ((attr_t) attr & __STANDOUT)
112 wstandout(win);
113 if ((attr_t) attr & __UNDERSCORE)
114 wunderscore(win);
115 if ((attr_t) attr & __COLOR) {
116 /* If another color pair is set, turn that off first. */
117 win->wattr &= ~__COLOR;
118 /* If can do color video, set the color pair bits. */
119 if (__tc_Co != NULL)
120 win->wattr |= attr & __COLOR;
121 }
122 return (OK);
123 }
124
125 /*
126 * wattroff --
127 * Test and unset attributes.
128 *
129 * Note that the 'me' sequence unsets all attributes. We handle
130 * which attributes should really be set in refresh.c:makech().
131 */
132 int
133 wattroff(WINDOW *win, int attr)
134 {
135 #ifdef DEBUG
136 __CTRACE ("wattroff: win %0.2o, attr %08x\n", win, attr);
137 #endif
138 /* If can do exit modes, unset the relevent attribute bits. */
139 if (__tc_me != NULL) {
140 if ((attr_t) attr & __BLINK)
141 win->wattr &= ~__BLINK;
142 if ((attr_t) attr & __BOLD)
143 win->wattr &= ~__BOLD;
144 if ((attr_t) attr & __DIM)
145 win->wattr &= ~__DIM;
146 if ((attr_t) attr & __BLANK)
147 win->wattr &= ~__BLANK;
148 if ((attr_t) attr & __PROTECT)
149 win->wattr &= ~__PROTECT;
150 if ((attr_t) attr & __REVERSE)
151 win->wattr &= ~__REVERSE;
152 }
153 if ((attr_t) attr & __STANDOUT)
154 wstandend(win);
155 if ((attr_t) attr & __UNDERSCORE)
156 wunderend(win);
157 if ((attr_t) attr & __COLOR) {
158 if (__tc_Co != NULL)
159 win->wattr &= ~__COLOR;
160 }
161 return (OK);
162 }
163
164 /*
165 * wattrset --
166 * Set specific attribute modes.
167 * Unset others.
168 */
169 int
170 wattrset(WINDOW *win, int attr)
171 {
172 #ifdef DEBUG
173 __CTRACE ("wattrset: win %0.2o, attr %08x\n", win, attr);
174 #endif
175 wattron(win, attr);
176 wattroff(win, (~attr & ~__COLOR) | ((attr & __COLOR) ? 0 : __COLOR));
177 return (OK);
178 }
179
180 /*
181 * getattrs --
182 * Get window attributes.
183 */
184 chtype
185 getattrs(WINDOW *win)
186 {
187 #ifdef DEBUG
188 __CTRACE ("getattrs: win %0.2o\n", win);
189 #endif
190 return((chtype) win->wattr);
191 }
192