dialcontrol.hxx

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#ifndef INCLUDED_SVX_DIALCONTROL_HXX
#define INCLUDED_SVX_DIALCONTROL_HXX

#include <memory>
#include <vcl/customweld.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, Degree100 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;
    tools::Long                mnCenterX;
    tools::Long                mnCenterY;
};

class SAL_WARN_UNUSED SVX_DLLPUBLIC DialControl 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;

    Degree100           GetRotation() const;
    void                SetRotation( Degree100 nAngle );
    bool                HasRotation() const;
    void                SetNoRotation();

    void                SetLinkedField(weld::MetricSpinButton* 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; }

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

    void                Init( const Size& rWinSize );

    void                set_visible(bool bVisible)
    {
        if (bVisible)
            Show();
        else
            Hide();
    }
private:
    struct SAL_DLLPRIVATE DialControl_Impl
    {
        ScopedVclPtr<DialControlBmp> mxBmpEnabled;
        ScopedVclPtr<DialControlBmp> mxBmpDisabled;
        ScopedVclPtr<DialControlBmp> mxBmpBuffered;
        Link<DialControl&,void>      maModifyHdl;
        OUString            maText;
        weld::MetricSpinButton*   mpLinkField;
        sal_Int32           mnLinkedFieldValueMultiplyer;
        Size                maWinSize;
        vcl::Font           maWinFont;
        Degree100           mnAngle;
        Degree100           mnInitialAngle;
        Degree100           mnOldAngle;
        tools::Long                mnCenterX;
        tools::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                SetRotation( Degree100 nAngle, bool bBroadcast );

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

    void                InvalidateControl();

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

}

#endif

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