scrwnd.hxx

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#ifndef INCLUDED_VCL_INC_SCRWND_HXX
#define INCLUDED_VCL_INC_SCRWND_HXX
 
#include <vcl/toolkit/floatwin.hxx>
#include <vcl/bitmap.hxx>
#include <vcl/image.hxx>
 
class Timer;
 
enum class WheelMode {
    NONE      = 0x0000,
    VH        = 0x0001,
    V         = 0x0002,
    H         = 0x0004,
    ScrollVH  = 0x0008,
    ScrollV   = 0x0010,
    ScrollH   = 0x0020
};
namespace o3tl {
    template<> struct typed_flags<WheelMode> : is_typed_flags<WheelMode, 0x003f> {};
}
 
class ImplWheelWindow final : public FloatingWindow
{
private:
 
    std::vector<Image>  maImgList;
    Point               maLastMousePos;
    Point               maCenter;
    std::unique_ptr<Timer> mpTimer;
    sal_uInt64          mnRepaintTime;
    sal_uInt64          mnTimeout;
    WheelMode           mnWheelMode;
    sal_uLong           mnMaxWidth;
    sal_uLong           mnActDist;
    tools::Long                mnActDeltaX;
    tools::Long                mnActDeltaY;
    void                ImplCreateImageList();
    void                ImplSetRegion(const Bitmap& rRegionBmp);
    using Window::ImplGetMousePointer;
    PointerStyle        ImplGetMousePointer( tools::Long nDistX, tools::Long nDistY ) const;
    void                ImplDrawWheel(vcl::RenderContext& rRenderContext);
    void                ImplRecalcScrollValues();
 
                        DECL_LINK(ImplScrollHdl, Timer *, void);
 
    virtual void        Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect ) override;
    virtual void        MouseMove( const MouseEvent& rMEvt ) override;
    virtual void        MouseButtonUp( const MouseEvent& rMEvt ) override;
 
public:
 
    explicit ImplWheelWindow( vcl::Window* pParent );
    virtual             ~ImplWheelWindow() override;
    virtual void        dispose() override;
 
    void                ImplStop();
    void                ImplSetWheelMode( WheelMode nWheelMode );
};
 
#endif // INCLUDED_VCL_INC_SCRWND_HXX
 
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