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/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: scrwnd.hxx,v $
 * $Revision: 1.6 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#include <vcl/floatwin.hxx>
#include <vcl/bitmap.hxx>
#include <vcl/image.hxx>

// -----------
// - Defines -
// -----------

#define WHEELMODE_NONE      0x00000000UL
#define WHEELMODE_VH        0x00000001UL
#define WHEELMODE_V         0x00000002UL
#define WHEELMODE_H         0x00000004UL
#define WHEELMODE_SCROLL_VH 0x00000008UL
#define WHEELMODE_SCROLL_V  0x00000010UL
#define WHEELMODE_SCROLL_H  0x00000020UL

// -------------------
// - ImplWheelWindow -
// -------------------

class Timer;

class ImplWheelWindow : public FloatingWindow
{
private:

    ImageList           maImgList;
    Bitmap              maWheelBmp;
    CommandScrollData   maCommandScrollData;
    Point               maLastMousePos;
    Point               maCenter;
    Timer*              mpTimer;
    ULONG               mnRepaintTime;
    ULONG               mnTimeout;
    ULONG               mnWheelMode;
    ULONG               mnMaxWidth;
    ULONG               mnActWidth;
    ULONG               mnActDist;
    long                mnActDeltaX;
    long                mnActDeltaY;

    void                ImplCreateImageList();
    void                ImplSetRegion( const Bitmap& rRegionBmp );
    using Window::ImplGetMousePointer;
    PointerStyle        ImplGetMousePointer( long nDistX, long nDistY );
    void                ImplDrawWheel();
    void                ImplRecalcScrollValues();

                        DECL_LINK( ImplScrollHdl, Timer* pTimer );

protected:

    virtual void        Paint( const Rectangle& rRect );
    virtual void        MouseMove( const MouseEvent& rMEvt );
    virtual void        MouseButtonUp( const MouseEvent& rMEvt );

public:

                        ImplWheelWindow( Window* pParent );
                        ~ImplWheelWindow();

    void                ImplStop();
    void                ImplSetWheelMode( ULONG nWheelMode );
    ULONG               ImplGetWheelMode() const { return mnWheelMode; }
};