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- /*
- * Copyright (c) 1981 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. 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.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)touchwin.c 5.5 (Berkeley) 8/23/92";
- #endif /* not lint */
-
- #include <curses.h>
-
- /*
- * touchwin --
- * Make it look like the whole window has been changed.
- */
- int
- touchwin(win)
- register WINDOW *win;
- {
- register int y, maxy;
-
- #ifdef DEBUG
- __TRACE("touchwin: (%0.2o)\n", win);
- #endif
- maxy = win->_maxy;
- for (y = 0; y < maxy; y++)
- touchline(win, y, 0, win->_maxx - 1);
- return (OK);
- }
-
- /*
- * touchline --
- * Touch a given line.
- */
- int
- touchline(win, y, sx, ex)
- register WINDOW *win;
- register int y, sx, ex;
- {
- #ifdef DEBUG
- __TRACE("touchline: (%0.2o, %d, %d, %d)\n", win, y, sx, ex);
- __TRACE("touchline: first = %d, last = %d\n",
- win->_firstch[y], win->_lastch[y]);
- #endif
- sx += win->_ch_off;
- ex += win->_ch_off;
- if (win->_firstch[y] == _NOCHANGE) {
- win->_firstch[y] = sx;
- win->_lastch[y] = ex;
- } else {
- if (win->_firstch[y] > sx)
- win->_firstch[y] = sx;
- if (win->_lastch[y] < ex)
- win->_lastch[y] = ex;
- }
- #ifdef DEBUG
- __TRACE("touchline: first = %d, last = %d\n",
- win->_firstch[y], win->_lastch[y]);
- #endif
- return (OK);
- }
-