79 lines
2.6 KiB
C
79 lines
2.6 KiB
C
/*
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* Copyright (c) 1981 Regents of the University of California.
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* 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 5.4 (Berkeley) 6/1/90";
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#endif /* not lint */
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# include "curses.ext"
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/*
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* relocate the starting position of a window
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*
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*/
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mvwin(win, by, bx)
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reg WINDOW *win;
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reg int by, bx; {
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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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}
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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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