91 lines
2.9 KiB
C
91 lines
2.9 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[] = "from: @(#)touchwin.c 5.5 (Berkeley) 8/23/92";*/
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static char rcsid[] = "$Id: touchwin.c,v 1.3 1993/08/07 05:49:08 mycroft Exp $";
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#endif /* not lint */
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#include <curses.h>
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/*
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* touchwin --
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* Make it look like the whole window has been changed.
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*/
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int
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touchwin(win)
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register WINDOW *win;
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{
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register int y, maxy;
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#ifdef DEBUG
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__TRACE("touchwin: (%0.2o)\n", win);
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#endif
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maxy = win->_maxy;
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for (y = 0; y < maxy; y++)
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touchline(win, y, 0, win->_maxx - 1);
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return (OK);
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}
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/*
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* touchline --
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* Touch a given line.
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*/
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int
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touchline(win, y, sx, ex)
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register WINDOW *win;
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register int y, sx, ex;
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{
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#ifdef DEBUG
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__TRACE("touchline: (%0.2o, %d, %d, %d)\n", win, y, sx, ex);
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__TRACE("touchline: first = %d, last = %d\n",
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win->_firstch[y], win->_lastch[y]);
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#endif
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sx += win->_ch_off;
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ex += win->_ch_off;
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if (win->_firstch[y] == _NOCHANGE) {
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win->_firstch[y] = sx;
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win->_lastch[y] = ex;
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} else {
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if (win->_firstch[y] > sx)
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win->_firstch[y] = sx;
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if (win->_lastch[y] < ex)
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win->_lastch[y] = ex;
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}
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#ifdef DEBUG
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__TRACE("touchline: first = %d, last = %d\n",
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win->_firstch[y], win->_lastch[y]);
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#endif
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return (OK);
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}
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