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/* $OpenBSD: mvwin.c,v 1.3 2005/08/14 17:15:19 espie Exp $ */
/*
* Copyright (c) 1981, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "curses.h"
/*
* mvwin --
* Relocate the starting position of a window.
*/
int
mvwin(win, by, bx)
register WINDOW *win;
register int by, bx;
{
register WINDOW *orig;
register 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 = by;
win->begx = bx;
__swflags(win);
__set_subwin(orig, win);
}
__touchwin(win);
return (OK);
}
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