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Annotation of 43BSD/usr.lib/libcurses/id_subwins.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  */
        !             6: 
        !             7: #ifndef lint
        !             8: static char sccsid[] = "@(#)id_subwins.c       5.1 (Berkeley) 6/7/85";
        !             9: #endif not lint
        !            10: 
        !            11: # include      "curses.ext"
        !            12: 
        !            13: /*
        !            14:  * _id_subwins:
        !            15:  *     Re-sync the pointers to _y for all the subwindows.
        !            16:  *
        !            17:  */
        !            18: _id_subwins(orig)
        !            19: register WINDOW        *orig;
        !            20: {
        !            21:        register WINDOW *win;
        !            22:        register int    realy;
        !            23:        register int    y, oy, x;
        !            24: 
        !            25:        realy = orig->_begy + orig->_cury;
        !            26:        for (win = orig->_nextp; win != orig; win = win->_nextp) {
        !            27:                /*
        !            28:                 * If the window ends before our current position,
        !            29:                 * don't need to do anything.
        !            30:                 */
        !            31:                if (win->_begy + win->_maxy <= realy)
        !            32:                        continue;
        !            33: 
        !            34:                oy = orig->_cury;
        !            35:                for (y = realy - win->_begy; y < win->_maxy; y++, oy++)
        !            36:                        win->_y[y] = &orig->_y[oy][win->_ch_off];
        !            37:        }
        !            38: }

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