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/*
2N/A * Move a derived window inside its parent window.
2N/A * This routine does not change the screen relative
2N/A * parameters begx and begy. Thus, it can be used to
2N/A * display different parts of the parent window at
2N/A * the same screen coordinate.
2N/A */
2N/A
2N/Aint
2N/Amvderwin(WINDOW *win, int pary, int parx)
2N/A{
2N/A int y, maxy;
2N/A WINDOW *par;
2N/A chtype obkgd, **wc, **pc;
2N/A short *begch, *endch, maxx;
2N/A
2N/A if ((par = win->_parent) == NULL)
2N/A goto bad;
2N/A if (pary == win->_pary && parx == win->_parx)
2N/A return (OK);
2N/A
2N/A maxy = win->_maxy-1;
2N/A maxx = win->_maxx-1;
2N/A if ((parx + maxx) >= par->_maxx || (pary + maxy) >= par->_maxy)
2N/Abad:
2N/A return (ERR);
2N/A
2N/A /* save all old changes */
2N/A wsyncup(win);
2N/A
2N/A /* rearrange pointers */
2N/A /*LINTED*/
2N/A win->_parx = (short) parx;
2N/A /*LINTED*/
2N/A win->_pary = (short) pary;
2N/A wc = win->_y;
2N/A pc = par->_y + pary;
2N/A begch = win->_firstch;
2N/A endch = win->_lastch;
2N/A for (y = 0; y <= maxy; ++y, ++wc, ++pc, ++begch, ++endch) {
2N/A *wc = *pc + parx;
2N/A *begch = 0;
2N/A *endch = maxx;
2N/A }
2N/A
2N/A /* change background to our own */
2N/A obkgd = win->_bkgd;
2N/A win->_bkgd = par->_bkgd;
2N/A return (wbkgd(win, obkgd));
2N/A}