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box.c revision 1.6 
      1 /*
      2  * Copyright (c) 1981, 1993
      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 /* from: static char sccsid[] = "@(#)box.c	8.1 (Berkeley) 6/4/93"; */
     36 static char *rcsid = "$Id: box.c,v 1.6 1993/11/09 04:06:55 cgd Exp $";
     37 #endif	/* not lint */
     38 
     39 #include <curses.h>
     40 
     41 /*
     42  * box --
     43  *	Draw a box around the given window with "vert" as the vertical
     44  *	delimiting char, and "hor", as the horizontal one.
     45  */
     46 int
     47 box(win, vert, hor)
     48 	register WINDOW *win;
     49 	int vert, hor;
     50 {
     51 	register int endy, endx, i;
     52 	register __LDATA *fp, *lp;
     53 
     54 	endx = win->maxx;
     55 	endy = win->maxy - 1;
     56 	fp = win->lines[0]->line;
     57 	lp = win->lines[endy]->line;
     58 	for (i = 0; i < endx; i++) {
     59 		fp[i].ch = lp[i].ch = hor;
     60 		fp[i].attr &= ~__STANDOUT;
     61 		lp[i].attr &= ~__STANDOUT;
     62 	}
     63 	endx--;
     64 	for (i = 0; i <= endy; i++) {
     65 		win->lines[i]->line[0].ch = vert;
     66 	        win->lines[i]->line[endx].ch = vert;
     67 		win->lines[i]->line[0].attr &= ~__STANDOUT;
     68 		win->lines[i]->line[endx].attr &= ~__STANDOUT;
     69 	}
     70 	if (!(win->flags & __SCROLLOK) && (win->flags & __SCROLLWIN)) {
     71 		fp[0].ch = fp[endx].ch = lp[0].ch = lp[endx].ch = ' ';
     72 		fp[0].attr &= ~__STANDOUT;
     73 		fp[endx].attr &= ~__STANDOUT;
     74 		lp[0].attr &= ~__STANDOUT;
     75 		lp[endx].attr &= ~__STANDOUT;
     76 	}
     77 	__touchwin(win);
     78 	return (OK);
     79 }
     80