VtkCustomInteractorStyle.h

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#pragma once
 
// ** INCLUDES **
#include <QObject>
 
#include <vtkInteractorStyleTrackballCamera.h>
 
class vtkDataObject;
class vtkDataSetMapper;
class vtkActor;
 
class vtkUnstructuredGridAlgorithm;
 
class VtkCustomInteractorStyle : public QObject, public vtkInteractorStyleTrackballCamera
{
    Q_OBJECT
 
public:
    static VtkCustomInteractorStyle* New();
    vtkTypeMacro (VtkCustomInteractorStyle, vtkInteractorStyleTrackballCamera);
 
    void OnChar() override;
 
    void OnKeyDown() override;
 
    void OnKeyUp() override;
 
    void OnLeftButtonDown() override;
 
    void OnRightButtonDown() override;
 
public slots:
    void highlightActor(vtkProp3D* actor);
 
    void removeHighlightActor();
 
    void setHighlightActor(bool on);
 
    void pickableDataObject(vtkDataObject* object);
 
protected:
    VtkCustomInteractorStyle();
    ~VtkCustomInteractorStyle() override;
 
    vtkDataObject* _data{nullptr};
 
    vtkDataSetMapper* _selectedMapper;
 
    vtkActor* _selectedActor;
 
private:
    bool _highlightActor{false};
    bool _alternateMouseActions{false};
 
signals:
    void requestViewUpdate();
 
    void cursorChanged(Qt::CursorShape);
 
    void elementPicked(vtkUnstructuredGridAlgorithm const*const, unsigned);
 
    void clearElementView();
 
};