border.c revision 1.4 1 /* $NetBSD: border.c,v 1.4 2000/04/15 13:17:03 blymn Exp $ */
2
3 /*
4 * Copyright (c) 2000 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 "curses.h"
40 #include "curses_private.h"
41
42 #ifndef _CURSES_USE_MACROS
43
44 /*
45 * border --
46 * Draw a border around stdscr using the specified
47 * delimiting characters.
48 */
49 int
50 border(chtype left, chtype right, chtype top, chtype bottom, chtype topleft,
51 chtype topright, chtype botleft, chtype botright)
52 {
53 return wborder(stdscr, left, right, top, bottom, topleft, topright,
54 botleft, botright);
55 }
56
57 #endif
58
59 /*
60 * wborder --
61 * Draw a border around the given window using the specified delimiting
62 * characters.
63 */
64 int
65 wborder(WINDOW *win, chtype left, chtype right, chtype top, chtype bottom,
66 chtype topleft, chtype topright, chtype botleft, chtype botright)
67 {
68 int endy, endx, i;
69 __LDATA *fp, *lp;
70
71 if (!(left & __CHARTEXT)) left = ACS_VLINE;
72 if (!(right & __CHARTEXT)) right = ACS_VLINE;
73 if (!(top & __CHARTEXT)) top = ACS_HLINE;
74 if (!(bottom & __CHARTEXT)) bottom = ACS_HLINE;
75 if (!(topleft & __CHARTEXT)) topleft = ACS_ULCORNER;
76 if (!(topright & __CHARTEXT)) topright = ACS_URCORNER;
77 if (!(botleft & __CHARTEXT)) botleft = ACS_LLCORNER;
78 if (!(botright & __CHARTEXT)) botright = ACS_LRCORNER;
79
80 #ifdef DEBUG
81 __CTRACE("wborder: left = %c, 0x%x\n", left & __CHARTEXT,
82 left & __ATTRIBUTES);
83 __CTRACE("wborder: right = %c, 0x%x\n", right & __CHARTEXT,
84 right & __ATTRIBUTES);
85 __CTRACE("wborder: top = %c, 0x%x\n", top & __CHARTEXT,
86 top & __ATTRIBUTES);
87 __CTRACE("wborder: bottom = %c, 0x%x\n", bottom & __CHARTEXT,
88 bottom & __ATTRIBUTES);
89 __CTRACE("wborder: topleft = %c, 0x%x\n", topleft & __CHARTEXT,
90 topleft & __ATTRIBUTES);
91 __CTRACE("wborder: topright = %c, 0x%x\n", topright & __CHARTEXT,
92 topright & __ATTRIBUTES);
93 __CTRACE("wborder: botleft = %c, 0x%x\n", botleft & __CHARTEXT,
94 botleft & __ATTRIBUTES);
95 __CTRACE("wborder: botright = %c, 0x%x\n", botright & __CHARTEXT,
96 botright & __ATTRIBUTES);
97 #endif
98
99 /* Merge window attributes */
100 left |= (left & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
101 right |= (right & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
102 top |= (top & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
103 bottom |= (bottom & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
104 topleft |= (topleft & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
105 topright |= (topright & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
106 botleft |= (botleft & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
107 botright |= (botright & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
108
109 endx = win->maxx - 1;
110 endy = win->maxy - 1;
111 fp = win->lines[0]->line;
112 lp = win->lines[endy]->line;
113
114 /* Sides */
115 for (i = 1; i < endy; i++) {
116 win->lines[i]->line[0].ch = (wchar_t) left & __CHARTEXT;
117 win->lines[i]->line[0].attr = (attr_t) left & __ATTRIBUTES;
118 win->lines[i]->line[endx].ch = (wchar_t) right & __CHARTEXT;
119 win->lines[i]->line[endx].attr = (attr_t) right & __ATTRIBUTES;
120 }
121 for (i = 1; i < endx; i++) {
122 fp[i].ch = (wchar_t) top & __CHARTEXT;
123 fp[i].attr = (attr_t) top & __ATTRIBUTES;
124 lp[i].ch = (wchar_t) bottom & __CHARTEXT;
125 lp[i].attr = (attr_t) bottom & __ATTRIBUTES;
126 }
127
128 /* Corners */
129 if (!(win->maxx == LINES && win->maxy == COLS &&
130 (win->flags & __SCROLLOK) && (win->flags & __SCROLLWIN))) {
131 fp[0].ch = (wchar_t) topleft & __CHARTEXT;
132 fp[0].attr = (attr_t) topleft & __ATTRIBUTES;
133 fp[endx].ch = (wchar_t) topright & __CHARTEXT;
134 fp[endx].attr = (attr_t) topright & __ATTRIBUTES;
135 lp[0].ch = (wchar_t) botleft & __CHARTEXT;
136 lp[0].attr = (attr_t) botleft & __ATTRIBUTES;
137 lp[endx].ch = (wchar_t) botright & __CHARTEXT;
138 lp[endx].attr = (attr_t) botright & __ATTRIBUTES;
139 }
140 __touchwin(win);
141 return (OK);
142 }
143