dialcontrol.hxx

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#ifndef INCLUDED_SVX_DIALCONTROL_HXX
#define INCLUDED_SVX_DIALCONTROL_HXX

#include <memory>
#include <vcl/ctrl.hxx>
#include <vcl/customweld.hxx>
#include <vcl/field.hxx>
#include <vcl/virdev.hxx>
#include <svx/svxdllapi.h>

class Edit;

namespace svx {


class SAL_WARN_UNUSED DialControlBmp final : public VirtualDevice
{
public:
    explicit            DialControlBmp(OutputDevice& rReference);

    void                InitBitmap(const vcl::Font& rFont);
    void                SetSize(const Size& rSize);
    void                CopyBackground( const DialControlBmp& rSrc );
    void                DrawBackground( const Size& rSize, bool bEnabled );
    void                DrawBackground();
    void                DrawElements( const OUString& rText, sal_Int32 nAngle );
    Color               GetBackgroundColor() const override;

private:
    const Color&        GetTextColor() const;
    const Color&        GetScaleLineColor() const;
    const Color&        GetButtonLineColor() const;
    const Color&        GetButtonFillColor( bool bMain ) const;

    void                Init();

    tools::Rectangle    maRect;
    bool                mbEnabled;
    OutputDevice&       mrParent;
    long                mnCenterX;
    long                mnCenterY;
};

class SAL_WARN_UNUSED DialControl : public Control
{
public:
    explicit            DialControl( vcl::Window* pParent, WinBits nBits );

    virtual void        Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) override;

    virtual void        StateChanged( StateChangedType nStateChange ) override;
    virtual void        DataChanged( const DataChangedEvent& rDCEvt ) override;

    virtual void        MouseButtonDown( const MouseEvent& rMEvt ) override;
    virtual void        MouseMove( const MouseEvent& rMEvt ) override;
    virtual void        MouseButtonUp( const MouseEvent& rMEvt ) override;
    virtual void        KeyInput( const KeyEvent& rKEvt ) override;
    virtual void        LoseFocus() override;

    virtual Size        GetOptimalSize() const override;
    virtual void        Resize() override;

    sal_Int32           GetRotation() const;
    void                SetRotation( sal_Int32 nAngle );

    void                SetModifyHdl( const Link<DialControl*,void>& rLink );

protected:
    struct DialControl_Impl
    {
        ScopedVclPtr<DialControlBmp> mxBmpEnabled;
        ScopedVclPtr<DialControlBmp> mxBmpDisabled;
        ScopedVclPtr<DialControlBmp> mxBmpBuffered;
        Link<DialControl*,void>      maModifyHdl;
        VclPtr<NumericField>         mpLinkField;
        sal_Int32           mnLinkedFieldValueMultiplyer;
        Size                maWinSize;
        vcl::Font           maWinFont;
        sal_Int32           mnAngle;
        sal_Int32           mnOldAngle;
        long                mnCenterX;
        long                mnCenterY;
        bool                mbNoRot;

        explicit            DialControl_Impl( vcl::Window& rParent );
        void                Init( const Size& rWinSize, const vcl::Font& rWinFont );
        void                SetSize( const Size& rWinSize );
    };
    std::unique_ptr< DialControl_Impl > mpImpl;

    virtual void        HandleMouseEvent( const Point& rPos, bool bInitial );
    void                HandleEscapeEvent();

    void                SetRotation( sal_Int32 nAngle, bool bBroadcast );

    void                Init( const Size& rWinSize, const vcl::Font& rWinFont );
    void                Init( const Size& rWinSize );

private:
    void                InvalidateControl();
};

class SAL_WARN_UNUSED SVX_DLLPUBLIC SvxDialControl final : public weld::CustomWidgetController
{
public:
    virtual void        SetDrawingArea(weld::DrawingArea* pDrawingArea) override;

    virtual void        Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) override;

    virtual void        StyleUpdated() override;

    virtual bool        MouseButtonDown( const MouseEvent& rMEvt ) override;
    virtual bool        MouseMove( const MouseEvent& rMEvt ) override;
    virtual bool        MouseButtonUp( const MouseEvent& rMEvt ) override;
    virtual bool        KeyInput(const KeyEvent& rKEvt) override;
    virtual void        LoseFocus() override;

    virtual void        Resize() override;

    sal_Int32           GetRotation() const;
    void                SetRotation( sal_Int32 nAngle );
    bool                HasRotation() const;
    void                SetNoRotation();

    void                SetLinkedField(weld::SpinButton* pField, sal_Int32 nDecimalPlaces = 0);

    void                SaveValue();

    bool                IsValueModified() const;

    const OUString&     GetText() const { return mpImpl->maText; }
    void                SetText(const OUString& rText) { mpImpl->maText = rText; }

private:
    struct DialControl_Impl
    {
        ScopedVclPtr<DialControlBmp> mxBmpEnabled;
        ScopedVclPtr<DialControlBmp> mxBmpDisabled;
        ScopedVclPtr<DialControlBmp> mxBmpBuffered;
        OUString            maText;
        weld::SpinButton*   mpLinkField;
        sal_Int32           mnLinkedFieldValueMultiplyer;
        Size                maWinSize;
        vcl::Font           maWinFont;
        sal_Int32           mnAngle;
        sal_Int32           mnInitialAngle;
        sal_Int32           mnOldAngle;
        long                mnCenterX;
        long                mnCenterY;
        bool                mbNoRot;

        explicit            DialControl_Impl(OutputDevice& rReference);
        void                Init( const Size& rWinSize, const vcl::Font& rWinFont );
        void                SetSize( const Size& rWinSize );
    };
    std::unique_ptr< DialControl_Impl > mpImpl;

    void                HandleMouseEvent( const Point& rPos, bool bInitial );
    void                HandleEscapeEvent();

    void                Init( const Size& rWinSize, const vcl::Font& rWinFont );
    void                Init( const Size& rWinSize );

    void                InvalidateControl();

    DECL_LINK(LinkedFieldModifyHdl, weld::SpinButton&, void);
    void LinkedFieldModifyHdl();
};

}

#endif

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