attributes.c revision 1.7
1 /* $NetBSD: attributes.c,v 1.7 2000/04/28 23:37:11 mycroft 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 1.7 2000/04/28 23:37:11 mycroft 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: %08x, %08x\n", attr, __nca); 95 #endif 96 /* If can enter modes, set the relevent attribute bits. */ 97 if (ME != NULL) { 98 if ((attr_t) attr & __BLINK && MB != NULL) 99 win->wattr |= __BLINK; 100 if ((attr_t) attr & __BOLD && MD != NULL) 101 win->wattr |= __BOLD; 102 if ((attr_t) attr & __DIM && MH != NULL) 103 win->wattr |= __DIM; 104 if ((attr_t) attr & __BLANK && MK != NULL) 105 win->wattr |= __BLANK; 106 if ((attr_t) attr & __PROTECT && MP != NULL) 107 win->wattr |= __PROTECT; 108 if ((attr_t) attr & __REVERSE && 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 /* Check for conflict with color. */ 116 if (win->wattr & __nca) 117 win->wattr &= ~__COLOR; 118 if ((attr_t) attr & __COLOR) { 119 /* If another color pair is set, turn that off first. */ 120 win->wattr &= ~__COLOR; 121 /* If can do color video, set the color pair bits. */ 122 if (cO != NULL) { 123 win->wattr |= attr & __COLOR; 124 win->wattr &= ~__nca; 125 } 126 } 127 return (OK); 128 } 129 130 /* 131 * wattroff 132 * Test and unset attributes. 133 * 134 * Note that the 'me' sequence unsets all attributes. We handle 135 * which attributes should really be set in refresh.c:makech(). 136 */ 137 int 138 wattroff(WINDOW *win, int attr) 139 { 140 #ifdef DEBUG 141 __CTRACE ("wattroff: %08x\n", attr); 142 #endif 143 /* If can do exit modes, unset the relevent attribute bits. */ 144 if (ME != NULL) { 145 if ((attr_t) attr & __BLINK) 146 win->wattr &= ~__BLINK; 147 if ((attr_t) attr & __BOLD) 148 win->wattr &= ~__BOLD; 149 if ((attr_t) attr & __DIM) 150 win->wattr &= ~__DIM; 151 if ((attr_t) attr & __BLANK) 152 win->wattr &= ~__BLANK; 153 if ((attr_t) attr & __PROTECT) 154 win->wattr &= ~__PROTECT; 155 if ((attr_t) attr & __REVERSE) 156 win->wattr &= ~__REVERSE; 157 } 158 if ((attr_t) attr & __STANDOUT) 159 wstandend(win); 160 if ((attr_t) attr & __UNDERSCORE) 161 wunderend(win); 162 if ((attr_t) attr & __COLOR) { 163 if (cO != NULL) 164 win->wattr &= ~__COLOR; 165 } 166 return (OK); 167 } 168 169 /* 170 * wattrset 171 * Set specific attribute modes. 172 * Unset others. 173 */ 174 int 175 wattrset(WINDOW *win, int attr) 176 { 177 #ifdef DEBUG 178 __CTRACE ("wattrset: %08x\n", attr, __nca); 179 #endif 180 wattron(win, attr); 181 wattroff(win, (~attr & ~__COLOR) | ((attr & __COLOR) ? 0 : __COLOR)); 182 return (OK); 183 } 184
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