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/* $OpenBSD: touchwin.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"
/*
* touchline --
* Touch a given line.
*/
int
touchline(win, y, sx, ex)
WINDOW *win;
register int y, sx, ex;
{
return (__touchline(win, y, sx, ex, 1));
}
/*
* touchwin --
* Make it look like the whole window has been changed.
*/
int
touchwin(win)
register WINDOW *win;
{
register int y, maxy;
#ifdef DEBUG
__CTRACE("touchwin: (%0.2o)\n", win);
#endif
maxy = win->maxy;
for (y = 0; y < maxy; y++)
__touchline(win, y, 0, win->maxx - 1, 1);
return (OK);
}
int
__touchwin(win)
register WINDOW *win;
{
register int y, maxy;
#ifdef DEBUG
__CTRACE("touchwin: (%0.2o)\n", win);
#endif
maxy = win->maxy;
for (y = 0; y < maxy; y++)
__touchline(win, y, 0, win->maxx - 1, 0);
return (OK);
}
int
__touchline(win, y, sx, ex, force)
register WINDOW *win;
register int y, sx, ex;
int force;
{
#ifdef DEBUG
__CTRACE("touchline: (%0.2o, %d, %d, %d, %d)\n", win, y, sx, ex, force);
__CTRACE("touchline: first = %d, last = %d\n",
*win->lines[y]->firstchp, *win->lines[y]->lastchp);
#endif
if (force)
win->lines[y]->flags |= __FORCEPAINT;
sx += win->ch_off;
ex += win->ch_off;
if (!(win->lines[y]->flags & __ISDIRTY)) {
win->lines[y]->flags |= __ISDIRTY;
*win->lines[y]->firstchp = sx;
*win->lines[y]->lastchp = ex;
} else {
if (*win->lines[y]->firstchp > sx)
*win->lines[y]->firstchp = sx;
if (*win->lines[y]->lastchp < ex)
*win->lines[y]->lastchp = ex;
}
#ifdef DEBUG
__CTRACE("touchline: first = %d, last = %d\n",
*win->lines[y]->firstchp, *win->lines[y]->lastchp);
#endif
return (OK);
}
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