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Annotation of 43BSD/contrib/X/uwm/Refresh.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char *rcsid_Refresh_c = "$Header: Refresh.c,v 10.3 86/02/01 16:23:41 tony Rel $";
        !             3: #endif lint
        !             4: 
        !             5: /************************************************************************
        !             6:  *                                                                     *
        !             7:  *                     Copyright (c) 1986 by                           *
        !             8:  *             Digital Equipment Corporation, Maynard, MA              *
        !             9:  *                      All Rights Reserved.                           *
        !            10:  *                                                                     *
        !            11:  *     Permission to use, copy, modify, and distribute this software   *
        !            12:  *     and its documentation is hereby granted only to licensees of    *
        !            13:  *     The Regents of the University of California pursuant to their   *
        !            14:  *     license agreement for the Berkeley Software Distribution        *
        !            15:  *     provided that the following appears on all copies.              *
        !            16:  *                                                                     *
        !            17:  *            "LICENSED FROM DIGITAL EQUIPMENT CORPORATION             *
        !            18:  *                      COPYRIGHT (C) 1986                             *       
        !            19:  *                 DIGITAL EQUIPMENT CORPORATION                       *
        !            20:  *                         MAYNARD, MA                                 *
        !            21:  *                     ALL RIGHTS RESERVED.                            *
        !            22:  *                                                                     *
        !            23:  *      THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT  * 
        !            24:  *     NOTICE AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL   *
        !            25:  *     EQUIPMENT CORPORATION.  DIGITAL MAKES NO REPRESENTATIONS        *
        !            26:  *     ABOUT SUITABILITY OF THIS SOFTWARE FOR ANY PURPOSE. IT IS       *
        !            27:  *     SUPPLIED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.           *
        !            28:  *                                                                     *       
        !            29:  *     IF THE UNIVERSITY OF CALIFORNIA OR ITS LICENSEES MODIFY         *       
        !            30:  *     THE SOFTWARE IN A MANNER CREATING DERIVATIVE COPYRIGHT          *       
        !            31:  *     RIGHTS APPROPRIATE COPYRIGHT LEGENDS MAY BE PLACED ON THE       *
        !            32:  *     DERIVATIVE WORK IN ADDITION TO THAT SET FORTH ABOVE."           *       
        !            33:  *                                                                     *
        !            34:  ************************************************************************/
        !            35:  
        !            36: 
        !            37: /*
        !            38:  * MODIFICATION HISTORY
        !            39:  *
        !            40:  * 000 -- M. Gancarz, DEC Ultrix Engineering Group
        !            41:  */
        !            42: 
        !            43: #ifndef lint
        !            44: static char *sccsid = "@(#)Refresh.c   3.8     1/24/86";
        !            45: #endif
        !            46: 
        !            47: #include "uwm.h"
        !            48: 
        !            49: Bool Refresh(window, mask, button, x, y)
        !            50: Window window;                          /* Event window. */
        !            51: int mask;                               /* Button/key mask. */
        !            52: short button;                           /* Button event detail. */
        !            53: int x, y;                               /* Event mouse position. */
        !            54: {
        !            55:     WindowInfo winfo;                  /* Root window info. */
        !            56:     Window w;                          /* Refresh window. */
        !            57: 
        !            58:     /*
        !            59:      * Get info on the root window.
        !            60:      */
        !            61:     status = XQueryWindow(RootWindow, &winfo);
        !            62:     if (status == FAILURE) Error("Refresh -> Can't query root window.");
        !            63: 
        !            64:     /*
        !            65:      * Create and map a window which covers the root window, then destroy it.
        !            66:      */
        !            67:     if ((w = XCreateWindow(RootWindow, 0, 0, winfo.width, winfo.height, 0,
        !            68:                            (Pixmap) 0, (Pixmap) 0)) == NULL)
        !            69:         Error("Refresh -> Can't create refresh window.");
        !            70:     XMapWindow(w);
        !            71:     XDestroyWindow(w);
        !            72:     XFlush();
        !            73: 
        !            74:     return(FALSE);
        !            75: }

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