/* * 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[] = "from: @(#)touchwin.c 5.5 (Berkeley) 8/23/92";*/ static char rcsid[] = "$Id: touchwin.c,v 1.3 1993/08/07 05:49:08 mycroft Exp $"; #endif /* not lint */ #include /* * 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); }