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Annotation of 43BSDReno/lib/libcurses/mvwin.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: (1) source distributions retain this entire copyright
        !             7:  * notice and comment, and (2) distributions including binaries display
        !             8:  * the following acknowledgement:  ``This product includes software
        !             9:  * developed by the University of California, Berkeley and its contributors''
        !            10:  * in the documentation or other materials provided with the distribution
        !            11:  * and in all advertising materials mentioning features or use of this
        !            12:  * software. Neither the name of the University nor the names of its
        !            13:  * contributors may be used to endorse or promote products derived
        !            14:  * from this software without specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #ifndef lint
        !            21: static char sccsid[] = "@(#)mvwin.c    5.4 (Berkeley) 6/1/90";
        !            22: #endif /* not lint */
        !            23: 
        !            24: # include      "curses.ext"
        !            25: 
        !            26: /*
        !            27:  * relocate the starting position of a window
        !            28:  *
        !            29:  */
        !            30: 
        !            31: mvwin(win, by, bx)
        !            32: reg WINDOW     *win;
        !            33: reg int                by, bx; {
        !            34: 
        !            35:        register WINDOW *orig;
        !            36:        register int    dy, dx;
        !            37: 
        !            38:        if (by + win->_maxy > LINES || bx + win->_maxx > COLS)
        !            39:                return ERR;
        !            40:        dy = by - win->_begy;
        !            41:        dx = bx - win->_begx;
        !            42:        orig = win->_orig;
        !            43:        if (orig == NULL) {
        !            44:                orig = win;
        !            45:                do {
        !            46:                        win->_begy += dy;
        !            47:                        win->_begx += dx;
        !            48:                        _swflags_(win);
        !            49:                        win = win->_nextp;
        !            50:                } while (win != orig);
        !            51:        }
        !            52:        else {
        !            53:                if (by < orig->_begy || win->_maxy + dy > orig->_maxy)
        !            54:                        return ERR;
        !            55:                if (bx < orig->_begx || win->_maxx + dx > orig->_maxx)
        !            56:                        return ERR;
        !            57:                win->_begy = by;
        !            58:                win->_begx = bx;
        !            59:                _swflags_(win);
        !            60:                _set_subwin_(orig, win);
        !            61:        }
        !            62:        touchwin(win);
        !            63:        return OK;
        !            64: }

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