#pragma once

#include <QTimer>
#include <osgViewer/CompositeViewer>
#include "osgqt/GraphicsWindowQt.h"

class OEScene;

class OsgWidget :  public QWidget, public osgViewer::CompositeViewer {
    Q_OBJECT
public:
    OsgWidget(QWidget *parent = nullptr, Qt::WindowFlags f = nullptr);
	~OsgWidget() override;
     QPaintEngine* paintEngine() const override { return nullptr; }

    void Initialize(void);
	void Uninitialize(void);
    void LoadDefaultScene(void);

    void AttachDock(class DockWidget* dockWidget);

signals:
    void signalScaleInfo(const QString&);

protected:
    osgQt::GraphicsWindowQt* createGraphicsWindow( int x, int y, int w, int h,
        const std::string& name="", bool windowDecoration=false );
    QWidget* addViewWidget( osgQt::GraphicsWindowQt* gw);
    
    void resizeEvent(QResizeEvent* event) override;
    void paintEvent( QPaintEvent* /*event*/ ) override;
    
    void dragEnterEvent(QDragEnterEvent* event) override;
    void dragMoveEvent(QDragMoveEvent* event) override;
    void dropEvent(QDropEvent* event) override;

public slots:
    void OnPresetModelDropped(const QString& modelType, const QString& modelName, const QPointF& position = QPointF());
    
    bool ScreenToWorldCoordinate(int x, int y, double& longitude, double& latitude, double& altitude);
    

private:
    QTimer timer_;

    osg::ref_ptr<OEScene> activeScene_;
    osg::ref_ptr<class OsgViewUI> viewUI_;
    osg::ref_ptr<osgViewer::View> view_;
    // class OsgView* view_{nullptr};
};