Home | History | Annotate | Line # | Download | only in libcurses
box.c revision 1.7 
      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
     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