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