Class CairoBaseWidget

dgl/Cairo.hpp:128–174

 */
template <class BaseWidget>
class CairoBaseWidget : public BaseWidget
{
public:
   /**
      Constructor for a CairoSubWidget.
    */
    explicit CairoBaseWidget(Widget* const parentGroupWidget);

   /**
      Constructor for a CairoTopLevelWidget.
    */
    explicit CairoBaseWidget(Window& windowToMapTo);

   /**
      Constructor for a CairoStandaloneWindow without parent window.
    */
    explicit CairoBaseWidget(Application& app);

   /**
      Constructor for a CairoStandaloneWindow with parent window.
    */
    explicit CairoBaseWidget(Application& app, Window& parentWindow);

   /**
      Destructor.
    */
    ~CairoBaseWidget() override {}

protected:
   /**
      New virtual onDisplay function.
      @see onDisplay
    */
    virtual void onCairoDisplay(const CairoGraphicsContext& context) = 0;

private:
   /**
      Widget display function.
      Implemented internally to pass context into the drawing function.
    */
    void onDisplay() final
    {
        onCairoDisplay(static_cast<const CairoGraphicsContext&>(BaseWidget::getGraphicsContext()));
    }

    DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CairoBaseWidget);
};

typedef CairoBaseWidget<SubWidget> CairoSubWidget;
typedef CairoBaseWidget<TopLevelWidget> CairoTopLevelWidget;