xref: /original-bsd/usr.bin/window/wwbox.c (revision 83e03edb)
1 /*
2  * Copyright (c) 1983 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  */
17 
18 #ifndef lint
19 static char sccsid[] = "@(#)wwbox.c	3.6 (Berkeley) 06/29/88";
20 #endif /* not lint */
21 
22 #include "ww.h"
23 #include "tt.h"
24 
25 wwbox(w, r, c, nr, nc)
26 register struct ww *w;
27 register r, c;
28 int nr, nc;
29 {
30 	register r1, c1;
31 	register i;
32 
33 	r1 = r + nr - 1;
34 	c1 = c + nc - 1;
35 	wwframec(w, r, c, WWF_D|WWF_R);
36 	for (i = c + 1; i < c1; i++)
37 		wwframec(w, r, i, WWF_L|WWF_R);
38 	wwframec(w, r, i, WWF_L|WWF_D);
39 	for (i = r + 1; i < r1; i++)
40 		wwframec(w, i, c1, WWF_U|WWF_D);
41 	wwframec(w, i, c1, WWF_U|WWF_L);
42 	for (i = c1 - 1; i > c; i--)
43 		wwframec(w, r1, i, WWF_R|WWF_L);
44 	wwframec(w, r1, i, WWF_R|WWF_U);
45 	for (i = r1 - 1; i > r; i--)
46 		wwframec(w, i, c, WWF_D|WWF_U);
47 }
48