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Annotation of coherent/d/usr/lib/libcurses/touchwin.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1981 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 COHERENT
        !            19: #ifndef lint
        !            20: static uchar sccsid[] = "@(#)touchwin.c        5.3 (Berkeley) 6/30/88";
        !            21: #endif /* not lint */
        !            22: #endif /* not COHERENT */
        !            23: 
        !            24: # include      "curses.ext"
        !            25: 
        !            26: /*
        !            27:  * make it look like the whole window has been changed.
        !            28:  *
        !            29:  */
        !            30: touchwin(win)
        !            31: register WINDOW        *win;
        !            32: {
        !            33:        register int    y, maxy;
        !            34: 
        !            35: # ifdef        DEBUG
        !            36:        fprintf(outf, "TOUCHWIN(%0.2o)\n", win);
        !            37: # endif
        !            38:        maxy = win->_maxy;
        !            39:        for (y = 0; y < maxy; y++)
        !            40:                touchline(win, y, 0, win->_maxx - 1);
        !            41: }
        !            42: 
        !            43: /*
        !            44:  * touch a given line
        !            45:  */
        !            46: touchline(win, y, sx, ex)
        !            47: register WINDOW        *win;
        !            48: register int   y, sx, ex;
        !            49: {
        !            50: # ifdef DEBUG
        !            51:        fprintf(outf, "TOUCHLINE(%0.2o, %d, %d, %d)\n", win, y, sx, ex);
        !            52:        fprintf(outf, "TOUCHLINE:first = %d, last = %d\n", win->_firstch[y], win->_lastch[y]);
        !            53: # endif
        !            54:        sx += win->_ch_off;
        !            55:        ex += win->_ch_off;
        !            56:        if (win->_firstch[y] == _NOCHANGE) {
        !            57:                win->_firstch[y] = sx;
        !            58:                win->_lastch[y] = ex;
        !            59:        }
        !            60:        else {
        !            61:                if (win->_firstch[y] > sx)
        !            62:                        win->_firstch[y] = sx;
        !            63:                if (win->_lastch[y] < ex)
        !            64:                        win->_lastch[y] = ex;
        !            65:        }
        !            66: # ifdef        DEBUG
        !            67:        fprintf(outf, "TOUCHLINE:first = %d, last = %d\n", win->_firstch[y], win->_lastch[y]);
        !            68: # endif
        !            69: }

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