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Annotation of 43BSDTahoe/ucb/window/wwmisc.c, revision 1.1

1.1     ! root        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) 6/29/88";
        !            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: }

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