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background.c revision 1.1 
      1 /*	$NetBSD: background.c,v 1.1 2000/04/12 21:43:37 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 #include "curses_private.h"
     41 
     42 /*
     43  * wbkgdset
     44  *	Set new background attributes.
     45  */
     46 void
     47 wbkgdset(win, ch)
     48 	WINDOW	*win;
     49 	chtype	 ch;
     50 {
     51 	win->bchar = (wchar_t) ch & A_CHARTEXT;
     52 	win->battr = (attr_t) ch & A_ATTRIBUTES;
     53 #ifdef DEBUG
     54 	__CTRACE ("wbkgdset: %08x, %08x\n", win->bchar, win->battr);
     55 #endif
     56 }
     57 
     58 /*
     59  * wbkgd --
     60  *	Set new background and new background attributes.
     61  */
     62 int
     63 wbkgd(win, ch)
     64 	WINDOW	*win;
     65 	chtype	 ch;
     66 {
     67 	int	 i, j;
     68 
     69 	wbkgdset(win, ch);
     70 	__touchwin(win);
     71 	return (OK);
     72 }
     73 
     74 /*
     75  * getbkgd --
     76  *	Get current background attributes.
     77  */
     78 chtype
     79 getbkgd(win)
     80 	WINDOW	*win;
     81 {
     82 	return ((chtype) ((win->bchar & A_CHARTEXT) |
     83 	    (win->battr & A_ATTRIBUTES)));
     84 }
     85