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Annotation of 43BSD/usr.lib/libcurses/mvwin.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[] = "@(#)mvwin.c    5.1 (Berkeley) 6/7/85";
        !             9: #endif not lint
        !            10: 
        !            11: # include      "curses.ext"
        !            12: 
        !            13: /*
        !            14:  * relocate the starting position of a window
        !            15:  *
        !            16:  */
        !            17: 
        !            18: mvwin(win, by, bx)
        !            19: reg WINDOW     *win;
        !            20: reg int                by, bx; {
        !            21: 
        !            22:        register WINDOW *orig;
        !            23:        register int    dy, dx;
        !            24: 
        !            25:        if (by + win->_maxy > LINES || bx + win->_maxx > COLS)
        !            26:                return ERR;
        !            27:        dy = by - win->_begy;
        !            28:        dx = bx - win->_begx;
        !            29:        orig = win->_orig;
        !            30:        if (orig == NULL) {
        !            31:                orig = win;
        !            32:                do {
        !            33:                        win->_begy += dy;
        !            34:                        win->_begx += dx;
        !            35:                        _swflags_(win);
        !            36:                        win = win->_nextp;
        !            37:                } while (win != orig);
        !            38:        }
        !            39:        else {
        !            40:                if (by < orig->_begy || win->_maxy + dy > orig->_maxy)
        !            41:                        return ERR;
        !            42:                if (bx < orig->_begx || win->_maxx + dx > orig->_maxx)
        !            43:                        return ERR;
        !            44:                win->_begy = by;
        !            45:                win->_begx = bx;
        !            46:                _swflags_(win);
        !            47:                _set_subwin_(orig, win);
        !            48:        }
        !            49:        touchwin(win);
        !            50:        return OK;
        !            51: }

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