Annotation of 43BSDTahoe/usr.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 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[] = "@(#)mvwin.c    5.3 (Berkeley) 6/30/88";
        !            20: #endif /* not lint */
        !            21: 
        !            22: # include      "curses.ext"
        !            23: 
        !            24: /*
        !            25:  * relocate the starting position of a window
        !            26:  *
        !            27:  */
        !            28: 
        !            29: mvwin(win, by, bx)
        !            30: reg WINDOW     *win;
        !            31: reg int                by, bx; {
        !            32: 
        !            33:        register WINDOW *orig;
        !            34:        register int    dy, dx;
        !            35: 
        !            36:        if (by + win->_maxy > LINES || bx + win->_maxx > COLS)
        !            37:                return ERR;
        !            38:        dy = by - win->_begy;
        !            39:        dx = bx - win->_begx;
        !            40:        orig = win->_orig;
        !            41:        if (orig == NULL) {
        !            42:                orig = win;
        !            43:                do {
        !            44:                        win->_begy += dy;
        !            45:                        win->_begx += dx;
        !            46:                        _swflags_(win);
        !            47:                        win = win->_nextp;
        !            48:                } while (win != orig);
        !            49:        }
        !            50:        else {
        !            51:                if (by < orig->_begy || win->_maxy + dy > orig->_maxy)
        !            52:                        return ERR;
        !            53:                if (bx < orig->_begx || win->_maxx + dx > orig->_maxx)
        !            54:                        return ERR;
        !            55:                win->_begy = by;
        !            56:                win->_begx = bx;
        !            57:                _swflags_(win);
        !            58:                _set_subwin_(orig, win);
        !            59:        }
        !            60:        touchwin(win);
        !            61:        return OK;
        !            62: }

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