1 /* $NetBSD: wwmisc.c,v 1.7 2003/08/07 11:17:41 agc Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Edward Wang at The University of California, Berkeley. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 #ifndef lint 37 #if 0 38 static char sccsid[] = "@(#)wwmisc.c 8.1 (Berkeley) 6/6/93"; 39 #else 40 __RCSID("$NetBSD: wwmisc.c,v 1.7 2003/08/07 11:17:41 agc Exp $"); 41 #endif 42 #endif /* not lint */ 43 44 #include "ww.h" 45 #include "tt.h" 46 #include "char.h" 47 48 /* 49 * Sufficient but not necessary test for total visibility. 50 */ 51 int 52 wwvisible(struct ww *w) 53 { 54 int i; 55 int nvis = 0; 56 57 for (i = w->ww_i.t; i < w->ww_i.b; i++) 58 nvis += w->ww_nvis[i]; 59 if (ISSET(w->ww_wflags, WWW_HASCURSOR) 60 && w->ww_cur.r >= w->ww_i.t && w->ww_cur.r < w->ww_i.b 61 && w->ww_cur.c >= w->ww_i.l && w->ww_cur.c < w->ww_i.r 62 && wwsmap[w->ww_cur.r][w->ww_cur.c] == w->ww_index) 63 nvis++; 64 return nvis == w->ww_i.nr * w->ww_i.nc; 65 } 66 67 void 68 wwbell(void) 69 { 70 ttputc(ctrl('g')); 71 } 72