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border.c revision 1.1.2.2
      1 /*	$NetBSD: border.c,v 1.1.2.2 2000/03/06 12:54:03 jdc Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Julian Coleman.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include "curses.h"
     40 
     41 /*
     42  * wborder --
     43  *	Draw a border around the given window using the specified delimiting
     44  *	characters.
     45  */
     46 int
     47 wborder(win, left, right, top, bottom, topleft, topright, botleft, botright)
     48 	WINDOW	*win;
     49 	chtype	 left, right, top, bottom;
     50 	chtype	 topleft, topright, botleft, botright;
     51 {
     52 	int	 endy, endx, i;
     53 	__LDATA	*fp, *lp;
     54 
     55 	if (!(left & __CHARTEXT)) left = ACS_VLINE;
     56 	if (!(right & __CHARTEXT)) right = ACS_VLINE;
     57 	if (!(top & __CHARTEXT)) top = ACS_HLINE;
     58 	if (!(bottom & __CHARTEXT)) bottom = ACS_HLINE;
     59 	if (!(topleft & __CHARTEXT)) topleft = ACS_ULCORNER;
     60 	if (!(topright & __CHARTEXT)) topright = ACS_URCORNER;
     61 	if (!(botleft & __CHARTEXT)) botleft = ACS_LLCORNER;
     62 	if (!(botright & __CHARTEXT)) botright = ACS_LRCORNER;
     63 
     64 #ifdef DEBUG
     65 	__CTRACE("wborder: left = %c, 0x%x\n", left, left & __ATTRIBUTES);
     66 	__CTRACE("wborder: right = %c, 0x%x\n", right, right & __ATTRIBUTES);
     67 	__CTRACE("wborder: top = %c, 0x%x\n", top, top & __ATTRIBUTES);
     68 	__CTRACE("wborder: bottom = %c, 0x%x\n", bottom, bottom & __ATTRIBUTES);
     69 	__CTRACE("wborder: topleft = %c, 0x%x\n", topleft, topleft & __ATTRIBUTES);
     70 	__CTRACE("wborder: topright = %c, 0x%x\n", topright, topright & __ATTRIBUTES);
     71 	__CTRACE("wborder: botleft = %c, 0x%x\n", botleft, botleft & __ATTRIBUTES);
     72 	__CTRACE("wborder: botright = %c, 0x%x\n", botright, botright & __ATTRIBUTES);
     73 #endif
     74 
     75 	/* Merge window attributes */
     76 	left |= win->wattr;
     77 	right |= win->wattr;
     78 	top |= win->wattr;
     79 	bottom |= win->wattr;
     80 	topleft |= win->wattr;
     81 	topright |= win->wattr;
     82 	botleft |= win->wattr;
     83 	botright |= win->wattr;
     84 
     85 	endx = win->maxx - 1;
     86 	endy = win->maxy - 1;
     87 	fp = win->lines[0]->line;
     88 	lp = win->lines[endy]->line;
     89 
     90 	/* Sides */
     91 	for (i = 1; i < endy; i++) {
     92 		win->lines[i]->line[0].ch = (wchar_t) left & __CHARTEXT;
     93 		win->lines[i]->line[0].attr = (attr_t) left & __ATTRIBUTES;
     94 		win->lines[i]->line[endx].ch = (wchar_t) right & __CHARTEXT;
     95 		win->lines[i]->line[endx].attr = (attr_t) right & __ATTRIBUTES;
     96 	}
     97 	for (i = 1; i < endx; i++) {
     98 		fp[i].ch = (wchar_t) top & __CHARTEXT;
     99 		fp[i].attr = (attr_t) top & __ATTRIBUTES;
    100 		lp[i].ch = (wchar_t) bottom & __CHARTEXT;
    101 		lp[i].attr = (attr_t) bottom & __ATTRIBUTES;
    102 	}
    103 
    104 	/* Corners */
    105 	if (!(win->maxx == LINES && win->maxy == COLS &&
    106 	    (win->flags & __SCROLLOK) && (win->flags & __SCROLLWIN))) {
    107 		fp[0].ch = (wchar_t) topleft & __CHARTEXT;
    108 		fp[0].attr = (attr_t) topleft & __ATTRIBUTES;
    109 		fp[endx].ch = (wchar_t) topright & __CHARTEXT;
    110 		fp[endx].attr = (attr_t) topright & __ATTRIBUTES;
    111 		lp[0].ch = (wchar_t) botleft & __CHARTEXT;
    112 		lp[0].attr = (attr_t) botleft & __ATTRIBUTES;
    113 		lp[endx].ch = (wchar_t) botright & __CHARTEXT;
    114 		lp[endx].attr = (attr_t) botright & __ATTRIBUTES;
    115 	}
    116 	__touchwin(win);
    117 	return (OK);
    118 }
    119