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Annotation of 43BSDReno/usr.bin/window/wwmisc.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1983 Regents of the University of California.
                      3:  * 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:  * Redistribution and use in source and binary forms are permitted provided
                      9:  * that: (1) source distributions retain this entire copyright notice and
                     10:  * comment, and (2) distributions including binaries display the following
                     11:  * acknowledgement:  ``This product includes software developed by the
                     12:  * University of California, Berkeley and its contributors'' in the
                     13:  * documentation or other materials provided with the distribution and in
                     14:  * all advertising materials mentioning features or use of this software.
                     15:  * Neither the name of the University nor the names of its contributors may
                     16:  * be used to endorse or promote products derived from this software without
                     17:  * specific prior written permission.
                     18:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     19:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     20:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     21:  */
                     22: 
                     23: #ifndef lint
                     24: static char sccsid[] = "@(#)wwmisc.c   3.14 (Berkeley) 6/6/90";
                     25: #endif /* not lint */
                     26: 
                     27: #include "ww.h"
                     28: #include "tt.h"
                     29: #include "char.h"
                     30: 
                     31: /*
                     32:  * Sufficient but not necessary test for total visibility.
                     33:  */
                     34: wwvisible(w)
                     35: register struct ww *w;
                     36: {
                     37:        register i;
                     38:        register nvis = 0;
                     39: 
                     40:        for (i = w->ww_i.t; i < w->ww_i.b; i++)
                     41:                nvis += w->ww_nvis[i];
                     42:        if (w->ww_hascursor
                     43:            && w->ww_cur.r >= w->ww_i.t && w->ww_cur.r < w->ww_i.b
                     44:            && w->ww_cur.c >= w->ww_i.l && w->ww_cur.c < w->ww_i.r
                     45:            && wwsmap[w->ww_cur.r][w->ww_cur.c] == w->ww_index)
                     46:                nvis++;
                     47:        return nvis == w->ww_i.nr * w->ww_i.nc;
                     48: }
                     49: 
                     50: wwbell()
                     51: {
                     52:        ttputc(ctrl('g'));
                     53: }

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