TrackItPipe/trackpoint-app/include/OSGWidget.hpp

#pragma once

#include "StoreHandler.hpp"
#include "OpenScadRenderer.hpp"
#include "ThreeMFWriter.hpp"

#include <QPoint>
#include <QOpenGLWidget>

#include <osg/ref_ptr>

#include <osgViewer/GraphicsWindow>
#include <osgViewer/CompositeViewer>

namespace osgWidget {
  //! The subclass of osgViewer::CompositeViewer we use
  /*!
   * This subclassing allows us to remove the annoying automatic
   * setting of the CPU affinity to core 0 by osgViewer::ViewerBase,
   * osgViewer::CompositeViewer's base class.
   */
  class Viewer: public osgViewer::CompositeViewer {
    public:
	    virtual void setupThreading();
  };
}

class OSGWidget : public QOpenGLWidget {
  Q_OBJECT

public:
  OSGWidget(QWidget* parent = nullptr);
  virtual ~OSGWidget();

protected:
  virtual void paintEvent( QPaintEvent* paintEvent );
  virtual void paintGL();
  virtual void resizeGL( int width, int height );

  virtual void keyPressEvent( QKeyEvent* event );
  virtual void keyReleaseEvent( QKeyEvent* event );

  virtual void mouseMoveEvent( QMouseEvent* event );
  virtual void mousePressEvent( QMouseEvent* event );
  virtual void mouseReleaseEvent( QMouseEvent* event );
  virtual void wheelEvent( QWheelEvent* event );

  virtual bool event( QEvent* event );

private:
  virtual void onHome();
  virtual void onResize( int width, int height );

  osgGA::EventQueue* getEventQueue() const;

  osg::ref_ptr<osgViewer::GraphicsWindowEmbedded> graphicsWindow_;
  osg::ref_ptr<osgWidget::Viewer> _viewer;
  osgViewer::View* _view;
  osg::ref_ptr<osg::Group> _root;
  osg::ref_ptr<osg::Node> _axesNode;

  QPoint selectionStart_;
  QPoint selectionEnd_;

  bool selectionActive_;
  bool selectionFinished_;

  StoreHandler* _storeHandler;
  OpenScadRenderer* _openScadRenderer;
  ThreeMFWriter* _threeMFWriter;
};