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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1997 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*LINTLIBRARY*/
#include <sys/types.h>
#include "curses_inc.h"
/*
* Move a derived window inside its parent window.
* This routine does not change the screen relative
* parameters begx and begy. Thus, it can be used to
* display different parts of the parent window at
* the same screen coordinate.
*/
int
mvderwin(WINDOW *win, int pary, int parx)
{
int y, maxy;
WINDOW *par;
chtype obkgd, **wc, **pc;
short *begch, *endch, maxx;
if ((par = win->_parent) == NULL)
goto bad;
if (pary == win->_pary && parx == win->_parx)
return (OK);
maxy = win->_maxy-1;
maxx = win->_maxx-1;
if ((parx + maxx) >= par->_maxx || (pary + maxy) >= par->_maxy)
bad:
return (ERR);
/* save all old changes */
wsyncup(win);
/* rearrange pointers */
/*LINTED*/
win->_parx = (short) parx;
/*LINTED*/
win->_pary = (short) pary;
wc = win->_y;
pc = par->_y + pary;
begch = win->_firstch;
endch = win->_lastch;
for (y = 0; y <= maxy; ++y, ++wc, ++pc, ++begch, ++endch) {
*wc = *pc + parx;
*begch = 0;
*endch = maxx;
}
/* change background to our own */
obkgd = win->_bkgd;
win->_bkgd = par->_bkgd;
return (wbkgd(win, obkgd));
}
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