border.c revision 1.3 1 /* $NetBSD: border.c,v 1.3 2000/04/12 21:35:35 jdc 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 /*
43 * wborder --
44 * Draw a border around the given window using the specified delimiting
45 * characters.
46 */
47 int
48 wborder(win, left, right, top, bottom, topleft, topright, botleft, botright)
49 WINDOW *win;
50 chtype left, right, top, bottom;
51 chtype topleft, topright, botleft, botright;
52 {
53 int endy, endx, i;
54 __LDATA *fp, *lp;
55
56 if (!(left & __CHARTEXT)) left = ACS_VLINE;
57 if (!(right & __CHARTEXT)) right = ACS_VLINE;
58 if (!(top & __CHARTEXT)) top = ACS_HLINE;
59 if (!(bottom & __CHARTEXT)) bottom = ACS_HLINE;
60 if (!(topleft & __CHARTEXT)) topleft = ACS_ULCORNER;
61 if (!(topright & __CHARTEXT)) topright = ACS_URCORNER;
62 if (!(botleft & __CHARTEXT)) botleft = ACS_LLCORNER;
63 if (!(botright & __CHARTEXT)) botright = ACS_LRCORNER;
64
65 #ifdef DEBUG
66 __CTRACE("wborder: left = %c, 0x%x\n", left & __CHARTEXT,
67 left & __ATTRIBUTES);
68 __CTRACE("wborder: right = %c, 0x%x\n", right & __CHARTEXT,
69 right & __ATTRIBUTES);
70 __CTRACE("wborder: top = %c, 0x%x\n", top & __CHARTEXT,
71 top & __ATTRIBUTES);
72 __CTRACE("wborder: bottom = %c, 0x%x\n", bottom & __CHARTEXT,
73 bottom & __ATTRIBUTES);
74 __CTRACE("wborder: topleft = %c, 0x%x\n", topleft & __CHARTEXT,
75 topleft & __ATTRIBUTES);
76 __CTRACE("wborder: topright = %c, 0x%x\n", topright & __CHARTEXT,
77 topright & __ATTRIBUTES);
78 __CTRACE("wborder: botleft = %c, 0x%x\n", botleft & __CHARTEXT,
79 botleft & __ATTRIBUTES);
80 __CTRACE("wborder: botright = %c, 0x%x\n", botright & __CHARTEXT,
81 botright & __ATTRIBUTES);
82 #endif
83
84 /* Merge window attributes */
85 left |= (left & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
86 right |= (right & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
87 top |= (top & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
88 bottom |= (bottom & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
89 topleft |= (topleft & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
90 topright |= (topright & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
91 botleft |= (botleft & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
92 botright |= (botright & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
93
94 endx = win->maxx - 1;
95 endy = win->maxy - 1;
96 fp = win->lines[0]->line;
97 lp = win->lines[endy]->line;
98
99 /* Sides */
100 for (i = 1; i < endy; i++) {
101 win->lines[i]->line[0].ch = (wchar_t) left & __CHARTEXT;
102 win->lines[i]->line[0].attr = (attr_t) left & __ATTRIBUTES;
103 win->lines[i]->line[endx].ch = (wchar_t) right & __CHARTEXT;
104 win->lines[i]->line[endx].attr = (attr_t) right & __ATTRIBUTES;
105 }
106 for (i = 1; i < endx; i++) {
107 fp[i].ch = (wchar_t) top & __CHARTEXT;
108 fp[i].attr = (attr_t) top & __ATTRIBUTES;
109 lp[i].ch = (wchar_t) bottom & __CHARTEXT;
110 lp[i].attr = (attr_t) bottom & __ATTRIBUTES;
111 }
112
113 /* Corners */
114 if (!(win->maxx == LINES && win->maxy == COLS &&
115 (win->flags & __SCROLLOK) && (win->flags & __SCROLLWIN))) {
116 fp[0].ch = (wchar_t) topleft & __CHARTEXT;
117 fp[0].attr = (attr_t) topleft & __ATTRIBUTES;
118 fp[endx].ch = (wchar_t) topright & __CHARTEXT;
119 fp[endx].attr = (attr_t) topright & __ATTRIBUTES;
120 lp[0].ch = (wchar_t) botleft & __CHARTEXT;
121 lp[0].attr = (attr_t) botleft & __ATTRIBUTES;
122 lp[endx].ch = (wchar_t) botright & __CHARTEXT;
123 lp[endx].attr = (attr_t) botright & __ATTRIBUTES;
124 }
125 __touchwin(win);
126 return (OK);
127 }
128