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Annotation of src/usr.bin/window/wwmisc.c, Revision 1.1

1.1     ! deraadt     1: /*     $NetBSD: wwmisc.c,v 1.3 1995/09/28 10:35:40 tls Exp $   */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 1983, 1993
        !             5:  *     The Regents of the University of California.  All rights reserved.
        !             6:  *
        !             7:  * This code is derived from software contributed to Berkeley by
        !             8:  * Edward Wang at The University of California, Berkeley.
        !             9:  *
        !            10:  * Redistribution and use in source and binary forms, with or without
        !            11:  * modification, are permitted provided that the following conditions
        !            12:  * are met:
        !            13:  * 1. Redistributions of source code must retain the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer.
        !            15:  * 2. Redistributions in binary form must reproduce the above copyright
        !            16:  *    notice, this list of conditions and the following disclaimer in the
        !            17:  *    documentation and/or other materials provided with the distribution.
        !            18:  * 3. All advertising materials mentioning features or use of this software
        !            19:  *    must display the following acknowledgement:
        !            20:  *     This product includes software developed by the University of
        !            21:  *     California, Berkeley and its contributors.
        !            22:  * 4. Neither the name of the University nor the names of its contributors
        !            23:  *    may be used to endorse or promote products derived from this software
        !            24:  *    without specific prior written permission.
        !            25:  *
        !            26:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            27:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            28:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            29:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            30:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            31:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            32:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            33:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            34:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            35:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            36:  * SUCH DAMAGE.
        !            37:  */
        !            38:
        !            39: #ifndef lint
        !            40: #if 0
        !            41: static char sccsid[] = "@(#)wwmisc.c   8.1 (Berkeley) 6/6/93";
        !            42: #else
        !            43: static char rcsid[] = "$NetBSD: wwmisc.c,v 1.3 1995/09/28 10:35:40 tls Exp $";
        !            44: #endif
        !            45: #endif /* not lint */
        !            46:
        !            47: #include "ww.h"
        !            48: #include "tt.h"
        !            49: #include "char.h"
        !            50:
        !            51: /*
        !            52:  * Sufficient but not necessary test for total visibility.
        !            53:  */
        !            54: wwvisible(w)
        !            55: register struct ww *w;
        !            56: {
        !            57:        register i;
        !            58:        register nvis = 0;
        !            59:
        !            60:        for (i = w->ww_i.t; i < w->ww_i.b; i++)
        !            61:                nvis += w->ww_nvis[i];
        !            62:        if (w->ww_hascursor
        !            63:            && w->ww_cur.r >= w->ww_i.t && w->ww_cur.r < w->ww_i.b
        !            64:            && w->ww_cur.c >= w->ww_i.l && w->ww_cur.c < w->ww_i.r
        !            65:            && wwsmap[w->ww_cur.r][w->ww_cur.c] == w->ww_index)
        !            66:                nvis++;
        !            67:        return nvis == w->ww_i.nr * w->ww_i.nc;
        !            68: }
        !            69:
        !            70: wwbell()
        !            71: {
        !            72:        ttputc(ctrl('g'));
        !            73: }