xref: /netbsd-src/lib/libcurses/box.c (revision dc306354b0b29af51801a7632f1e95265a68cd81)
1 /*	$NetBSD: box.c,v 1.9 1998/02/03 19:12:16 perry Exp $	*/
2 
3 /*
4  * Copyright (c) 1981, 1993, 1994
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include <sys/cdefs.h>
37 #ifndef lint
38 #if 0
39 static char sccsid[] = "@(#)box.c	8.2 (Berkeley) 5/4/94";
40 #else
41 __RCSID("$NetBSD: box.c,v 1.9 1998/02/03 19:12:16 perry Exp $");
42 #endif
43 #endif	/* not lint */
44 
45 #include "curses.h"
46 
47 /*
48  * box --
49  *	Draw a box around the given window with "vert" as the vertical
50  *	delimiting char, and "hor", as the horizontal one.
51  */
52 int
53 box(win, vert, hor)
54 	WINDOW *win;
55 	int vert, hor;
56 {
57 	int endy, endx, i;
58 	__LDATA *fp, *lp;
59 
60 	endx = win->maxx;
61 	endy = win->maxy - 1;
62 	fp = win->lines[0]->line;
63 	lp = win->lines[endy]->line;
64 	for (i = 0; i < endx; i++) {
65 		fp[i].ch = lp[i].ch = hor;
66 		fp[i].attr &= ~__STANDOUT;
67 		lp[i].attr &= ~__STANDOUT;
68 	}
69 	endx--;
70 	for (i = 0; i <= endy; i++) {
71 		win->lines[i]->line[0].ch = vert;
72 	        win->lines[i]->line[endx].ch = vert;
73 		win->lines[i]->line[0].attr &= ~__STANDOUT;
74 		win->lines[i]->line[endx].attr &= ~__STANDOUT;
75 	}
76 	if (!(win->flags & __SCROLLOK) && (win->flags & __SCROLLWIN)) {
77 		fp[0].ch = fp[endx].ch = lp[0].ch = lp[endx].ch = ' ';
78 		fp[0].attr &= ~__STANDOUT;
79 		fp[endx].attr &= ~__STANDOUT;
80 		lp[0].attr &= ~__STANDOUT;
81 		lp[endx].attr &= ~__STANDOUT;
82 	}
83 	__touchwin(win);
84 	return (OK);
85 }
86