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6c8ac72df7
distributed in keith bostic's nvi (got his permission first). Most changes are cosmetic, but a few errors (mostly in tty..c) were cleared up. Reviewed by: Sean Eric Fagan
121 lines
3.4 KiB
C
121 lines
3.4 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[] = "@(#)touchwin.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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* 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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WINDOW *win;
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register int y, sx, ex;
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{
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return (__touchline(win, y, sx, ex, 1));
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}
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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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__CTRACE("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, 1);
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return (OK);
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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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__CTRACE("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, 0);
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return (OK);
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}
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int
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__touchline(win, y, sx, ex, force)
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register WINDOW *win;
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register int y, sx, ex;
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int force;
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{
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#ifdef DEBUG
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__CTRACE("touchline: (%0.2o, %d, %d, %d, %d)\n", win, y, sx, ex, force);
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__CTRACE("touchline: first = %d, last = %d\n",
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*win->lines[y]->firstchp, *win->lines[y]->lastchp);
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#endif
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if (force)
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win->lines[y]->flags |= __FORCEPAINT;
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sx += win->ch_off;
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ex += win->ch_off;
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if (!(win->lines[y]->flags & __ISDIRTY)) {
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win->lines[y]->flags |= __ISDIRTY;
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*win->lines[y]->firstchp = sx;
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*win->lines[y]->lastchp = ex;
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} else {
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if (*win->lines[y]->firstchp > sx)
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*win->lines[y]->firstchp = sx;
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if (*win->lines[y]->lastchp < ex)
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*win->lines[y]->lastchp = ex;
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}
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#ifdef DEBUG
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__CTRACE("touchline: first = %d, last = %d\n",
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*win->lines[y]->firstchp, *win->lines[y]->lastchp);
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#endif
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return (OK);
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}
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