1 /* 2 * Copyright (c) 1983 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that this notice is preserved and that due credit is given 7 * to the University of California at Berkeley. The name of the University 8 * may not be used to endorse or promote products derived from this 9 * software without specific prior written permission. This software 10 * is provided ``as is'' without express or implied warranty. 11 */ 12 13 #ifndef lint 14 static char sccsid[] = "@(#)wwmisc.c 3.11 (Berkeley) 02/21/88"; 15 #endif /* not lint */ 16 17 #include "ww.h" 18 #include "tt.h" 19 #include "char.h" 20 21 /* 22 * Sufficient but not necessary test for total visibility. 23 */ 24 wwvisible(w) 25 register struct ww *w; 26 { 27 register i; 28 register nvis = 0; 29 30 for (i = w->ww_i.t; i < w->ww_i.b; i++) 31 nvis += w->ww_nvis[i]; 32 if (w->ww_hascursor 33 && w->ww_cur.r >= w->ww_i.t && w->ww_cur.r < w->ww_i.b 34 && w->ww_cur.c >= w->ww_i.l && w->ww_cur.c < w->ww_i.r 35 && wwsmap[w->ww_cur.r][w->ww_cur.c] == w->ww_index) 36 nvis++; 37 return nvis == w->ww_i.nr * w->ww_i.nc; 38 } 39 40 wwbell() 41 { 42 ttputc(ctrl('g')); 43 } 44