mvwin.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*LINTLIBRARY*/
#ifndef lint
static char
sccsid[] = "@(#)mvwin.c 1.6 88/02/08 SMI"; /* from UCB 5.1 85/06/07 */
#endif /* not lint */
#include "curses.ext"
/*
* relocate the starting position of a window
*/
int
mvwin(WINDOW *win, int by, int bx)
{
WINDOW *orig;
int dy, dx;
if (by + win->_maxy > LINES || bx + win->_maxx > COLS)
return (ERR);
dy = by - win->_begy;
dx = bx - win->_begx;
orig = win->_orig;
if (orig == NULL) {
orig = win;
do {
win->_begy += dy;
win->_begx += dx;
_swflags_(win);
win = win->_nextp;
} while (win != orig);
} else {
if (by < orig->_begy || win->_maxy + dy > orig->_maxy)
return (ERR);
if (bx < orig->_begx || win->_maxx + dx > orig->_maxx)
return (ERR);
win->_begy = (short)by;
win->_begx = (short)bx;
_swflags_(win);
_set_subwin_(orig, win);
}
(void) touchwin(win);
return (OK);
}