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Annotation of 43BSDTahoe/ucb/window/wwclreos.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:  * 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[] = "@(#)wwclreos.c 3.8 (Berkeley) 6/29/88";
                     20: #endif /* not lint */
                     21: 
                     22: #include "ww.h"
                     23: #include "tt.h"
                     24: 
                     25: wwclreos(w, row, col)
                     26: register struct ww *w;
                     27: {
                     28:        register i;
                     29:        int cleared = 0;
                     30: 
                     31:        /*
                     32:         * Quick and dirty check for windows that cover the bottom
                     33:         * portion of the screen.  Not meant to be complete.
                     34:         */
                     35:        if (tt.tt_clreos && w->ww_i.b == wwnrow && w->ww_i.l == 0 &&
                     36:            w->ww_i.r == wwncol && wwvisible(w)) {
                     37:                register j;
                     38:                register union ww_char *s;
                     39: 
                     40:                i = row;
                     41:                (*tt.tt_move)(i, col);
                     42:                (*tt.tt_clreos)();
                     43:                /*
                     44:                 * We have to fix wwos becuase wwclreol1 won't do that.
                     45:                 */
                     46:                s = &wwos[i][col];
                     47:                for (j = wwncol - col; --j >= 0;)
                     48:                        s++->c_w = ' ';
                     49:                for (i++; i < wwnrow; i++) {
                     50:                        s = wwos[i];
                     51:                        for (j = wwncol; --j >= 0;)
                     52:                                s++->c_w = ' ';
                     53:                }
                     54:                cleared = 1;
                     55:        }
                     56:        wwclreol1(w, row, col, cleared);
                     57:        for (i = row + 1; i < w->ww_b.b; i++)
                     58:                wwclreol1(w, i, w->ww_b.l, cleared);
                     59: }

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