1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Edward Wang at The University of California, Berkeley. 7 * 8 * %sccs.include.redist.c% 9 */ 10 11 #ifndef lint 12 static char sccsid[] = "@(#)wwmisc.c 8.1 (Berkeley) 06/06/93"; 13 #endif /* not lint */ 14 15 #include "ww.h" 16 #include "tt.h" 17 #include "char.h" 18 19 /* 20 * Sufficient but not necessary test for total visibility. 21 */ 22 wwvisible(w) 23 register struct ww *w; 24 { 25 register i; 26 register nvis = 0; 27 28 for (i = w->ww_i.t; i < w->ww_i.b; i++) 29 nvis += w->ww_nvis[i]; 30 if (w->ww_hascursor 31 && w->ww_cur.r >= w->ww_i.t && w->ww_cur.r < w->ww_i.b 32 && w->ww_cur.c >= w->ww_i.l && w->ww_cur.c < w->ww_i.r 33 && wwsmap[w->ww_cur.r][w->ww_cur.c] == w->ww_index) 34 nvis++; 35 return nvis == w->ww_i.nr * w->ww_i.nc; 36 } 37 38 wwbell() 39 { 40 ttputc(ctrl('g')); 41 } 42