QtWidgetNode.hh

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//=============================================================================
//
//  CLASS QtWidgetNode
//
//=============================================================================

#ifndef QT_WIDGET_NODE_HH
#define QT_WIDGET_NODE_HH

//== INCLUDES =================================================================

#include <ACG/Geometry/Types/PlaneType.hh>
#include <ACG/Scenegraph/BaseNode.hh>
#include <ACG/Scenegraph/DrawModes.hh>
#include <ACG/GL/VertexDeclaration.hh>
#include <ACG/GL/IRenderer.hh>
#include <ACG/GL/GLPrimitives.hh>
#include <OpenFlipper/common/ObjectTypeDLLDefines.hh>


#include <QObject>
#include <QWidget>

//== NAMESPACES ===============================================================

namespace ACG {
namespace SceneGraph {

//== CLASS DEFINITION =========================================================

class OBJECTTYPEDLLEXPORT QtWidgetNode : public BaseNode
{
    using Plane = ACG::Geometry::Plane;
public:
    QtWidgetNode(QWidget* _widget, BaseNode *_parent = 0, std::string _name = "<QtWidgetNode>");

    ~QtWidgetNode();

    ACG_CLASSNAME(QtWidgetNode);

    ACG::SceneGraph::DrawModes::DrawMode availableDrawModes() const;

    void boundingBox(ACG::Vec3d & _bbMin, ACG::Vec3d & _bbMax);

    void getRenderObjects(ACG::IRenderer* _renderer, ACG::GLState&  _state , const ACG::SceneGraph::DrawModes::DrawMode&  _drawMode , const ACG::SceneGraph::Material* _mat);


    void mouseEvent(GLState& _state, QMouseEvent* _event);
    void mouseEvent(QMouseEvent* _event);

    QWidget* widget()const{return widget_;}
    void setWidget(QWidget* _w);

private:
    class NodeEventFilter : public QObject
    {
    public:
      explicit NodeEventFilter(QtWidgetNode* p){node_ = p;}
    protected:
      bool eventFilter(QObject *obj, QEvent *event);
    private:
      QtWidgetNode *node_;
    } *ef_;

    friend class NodeEventFilter;

    void createTexture();

    void createGeometry(GLState& _state);

    void updateGeometry();

    void uploadPlane();

    unsigned int vbo_;
    GLuint texID_;
    ACG::VertexDeclaration vertexDecl_;

    QWidget* widget_;

    int oldWidgetWidth_;
    int oldWidgetHeight_;

    Plane plane_;
    bool planeCreated_;

    GLState* state_;

    bool anisotropicSupport_;

};

//=============================================================================
} // namespace SceneGraph
} // namespace ACG

//=============================================================================
#endif // QT_WIDGET_NODE_HH defined
//=============================================================================