2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License, Version 1.0 only
2N/A * (the "License"). You may not use this file except in compliance
2N/A * with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A/*
2N/A * Copyright 1997 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A/* Copyright (c) 1988 AT&T */
2N/A/* All Rights Reserved */
2N/A
2N/A/*
2N/A * University Copyright- Copyright (c) 1982, 1986, 1988
2N/A * The Regents of the University of California
2N/A * All Rights Reserved
2N/A *
2N/A * University Acknowledgment- Portions of this document are derived from
2N/A * software developed by the University of California, Berkeley, and its
2N/A * contributors.
2N/A */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A/*LINTLIBRARY*/
2N/A
2N/A#include <sys/types.h>
2N/A#include "curses_inc.h"
2N/A
2N/A/* Change the background of a window. nbkgd : new background. */
2N/A
2N/Aint
2N/Awbkgd(WINDOW *win, chtype nbkgd)
2N/A{
2N/A short maxx;
2N/A int x, y;
2N/A chtype *wcp, obkgda, obkgdc, nbkgda,
2N/A nbkgdc, acolor, c;
2N/A short *begch, *endch;
2N/A
2N/A /* if 'nbkgd' contains color information, but this is not a color */
2N/A /* terminal, erase that information. */
2N/A
2N/A if ((nbkgd & A_COLOR) && (cur_term->_pairs_tbl == NULL))
2N/A nbkgd &= ~A_COLOR;
2N/A
2N/A if (nbkgd == win->_bkgd)
2N/A return (OK);
2N/A
2N/A obkgdc = _CHAR(win->_bkgd);
2N/A obkgda = _ATTR(win->_bkgd);
2N/A
2N/A nbkgdc = _CHAR(nbkgd);
2N/A nbkgda = _ATTR(nbkgd);
2N/A
2N/A /* switch byte order if necessary */
2N/A if (ISCBIT(nbkgdc))
2N/A nbkgdc = _CHAR((RBYTE(nbkgdc) << 8) | (LBYTE(nbkgdc)|MBIT)) |
2N/A CBIT;
2N/A c = RBYTE(nbkgdc);
2N/A if ((nbkgdc < ' ' || nbkgdc == _CTRL('?')) ||
2N/A _curs_scrwidth[TYPE(c)] > 1)
2N/A nbkgdc = obkgdc;
2N/A nbkgd = (nbkgdc & ~CBIT) | nbkgda;
2N/A
2N/A win->_bkgd = nbkgd;
2N/A
2N/A /* delete the old background from the attribute field and replace */
2N/A /* it with the new background. Note: if the same attribute was */
2N/A /* first set by wbkgd() and then by wattron(), or vice versa, it */
2N/A /* will be deleted, so the effect of wattron() will be lost. */
2N/A /* This applies to both video and color attributes. */
2N/A
2N/A if ((acolor = (win->_attrs & A_COLOR)) != 0) {
2N/A if (acolor == (obkgda & A_COLOR)) {
2N/A win->_attrs = _ATTR((win->_attrs & ~obkgda) | nbkgda);
2N/A } else {
2N/A win->_attrs = _ATTR((win->_attrs &
2N/A (~obkgda | A_COLOR)) | (nbkgda & ~A_COLOR));
2N/A }
2N/A } else
2N/A win->_attrs = _ATTR((win->_attrs & ~obkgda) | nbkgda);
2N/A
2N/A maxx = win->_maxx - 1;
2N/A begch = win->_firstch;
2N/A endch = win->_lastch;
2N/A for (y = win->_maxy-1; y >= 0; --y, ++begch, ++endch) {
2N/A for (x = maxx, wcp = win->_y[y]; x-- >= 0; ++wcp) {
2N/A if ((c = _CHAR(*wcp)) == obkgdc)
2N/A c = nbkgdc;
2N/A if ((acolor = (*wcp & A_COLOR)) != 0) {
2N/A if (acolor == (obkgda & A_COLOR))
2N/A *wcp = c | _ATTR((*wcp & ~obkgda) |
2N/A nbkgda);
2N/A else
2N/A *wcp = c | _ATTR((*wcp & (~obkgda |
2N/A A_COLOR)) | (nbkgda & ~A_COLOR));
2N/A } else
2N/A *wcp = c | _ATTR((*wcp & ~obkgda) | nbkgda);
2N/A }
2N/A *begch = 0;
2N/A *endch = maxx;
2N/A }
2N/A
2N/A win->_flags |= _WINCHANGED;
2N/A if (win->_sync)
2N/A wsyncup(win);
2N/A
2N/A return (win->_immed ? wrefresh(win) : OK);
2N/A}