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box.c revision 1.9 
      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