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 the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 */ 17 18 #ifndef lint 19 static char sccsid[] = "@(#)wwmisc.c 3.12 (Berkeley) 06/29/88"; 20 #endif /* not lint */ 21 22 #include "ww.h" 23 #include "tt.h" 24 #include "char.h" 25 26 /* 27 * Sufficient but not necessary test for total visibility. 28 */ 29 wwvisible(w) 30 register struct ww *w; 31 { 32 register i; 33 register nvis = 0; 34 35 for (i = w->ww_i.t; i < w->ww_i.b; i++) 36 nvis += w->ww_nvis[i]; 37 if (w->ww_hascursor 38 && w->ww_cur.r >= w->ww_i.t && w->ww_cur.r < w->ww_i.b 39 && w->ww_cur.c >= w->ww_i.l && w->ww_cur.c < w->ww_i.r 40 && wwsmap[w->ww_cur.r][w->ww_cur.c] == w->ww_index) 41 nvis++; 42 return nvis == w->ww_i.nr * w->ww_i.nc; 43 } 44 45 wwbell() 46 { 47 ttputc(ctrl('g')); 48 } 49