1 /*
2 * Copyright (c) 1981, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 #ifndef lint
35 static char sccsid[] = "@(#)box.c 8.2 (Berkeley) 5/4/94";
36 #endif /* not lint */
37
38 #include "curses.h"
39
40 /*
41 * box --
42 * Draw a box around the given window with "vert" as the vertical
43 * delimiting char, and "hor", as the horizontal one.
44 */
45 int
box(win,vert,hor)46 box(win, vert, hor)
47 register WINDOW *win;
48 int vert, hor;
49 {
50 register int endy, endx, i;
51 register __LDATA *fp, *lp;
52
53 endx = win->maxx;
54 endy = win->maxy - 1;
55 fp = win->lines[0]->line;
56 lp = win->lines[endy]->line;
57 for (i = 0; i < endx; i++) {
58 fp[i].ch = lp[i].ch = hor;
59 fp[i].attr &= ~__STANDOUT;
60 lp[i].attr &= ~__STANDOUT;
61 }
62 endx--;
63 for (i = 0; i <= endy; i++) {
64 win->lines[i]->line[0].ch = vert;
65 win->lines[i]->line[endx].ch = vert;
66 win->lines[i]->line[0].attr &= ~__STANDOUT;
67 win->lines[i]->line[endx].attr &= ~__STANDOUT;
68 }
69 if (!(win->flags & __SCROLLOK) && (win->flags & __SCROLLWIN)) {
70 fp[0].ch = fp[endx].ch = lp[0].ch = lp[endx].ch = ' ';
71 fp[0].attr &= ~__STANDOUT;
72 fp[endx].attr &= ~__STANDOUT;
73 lp[0].attr &= ~__STANDOUT;
74 lp[endx].attr &= ~__STANDOUT;
75 }
76 __touchwin(win);
77 return (OK);
78 }
79