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78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
/*
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* Copyright (c) 1981, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)mvwin.c 8.2 (Berkeley) 5/4/94";
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#endif /* not lint */
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#include "curses.h"
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/*
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* mvwin --
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* Relocate the starting position of a window.
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*/
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int
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mvwin(win, by, bx)
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register WINDOW *win;
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register int by, bx;
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{
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register WINDOW *orig;
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register int dy, dx;
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if (by + win->maxy > LINES || bx + win->maxx > COLS)
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return (ERR);
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dy = by - win->begy;
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dx = bx - win->begx;
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orig = win->orig;
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if (orig == NULL) {
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orig = win;
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do {
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win->begy += dy;
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win->begx += dx;
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__swflags(win);
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win = win->nextp;
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} while (win != orig);
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} else {
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if (by < orig->begy || win->maxy + dy > orig->maxy)
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return (ERR);
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if (bx < orig->begx || win->maxx + dx > orig->maxx)
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return (ERR);
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win->begy = by;
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win->begx = bx;
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__swflags(win);
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__set_subwin(orig, win);
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}
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__touchwin(win);
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return (OK);
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}
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