vtkVRMenuRepresentation.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkVRMenuRepresentation_h
#define vtkVRMenuRepresentation_h

#include "vtkRenderingVRModule.h" // For export macro
#include "vtkWidgetRepresentation.h"
#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO
#include <deque>              // for ivar

VTK_ABI_NAMESPACE_BEGIN
class VTKRENDERINGVR_EXPORT VTK_MARSHALAUTO vtkVRMenuRepresentation : public vtkWidgetRepresentation
{
public:
  static vtkVRMenuRepresentation* New();


  vtkTypeMacro(vtkVRMenuRepresentation, vtkWidgetRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  void BuildRepresentation() override;

  void StartComplexInteraction(vtkRenderWindowInteractor* iren, vtkAbstractWidget* widget,
    unsigned long event, void* calldata) override;
  void ComplexInteraction(vtkRenderWindowInteractor* iren, vtkAbstractWidget* widget,
    unsigned long event, void* calldata) override;
  void EndComplexInteraction(vtkRenderWindowInteractor* iren, vtkAbstractWidget* widget,
    unsigned long event, void* calldata) override;


  void ReleaseGraphicsResources(vtkWindow*) override;
  vtkTypeBool HasTranslucentPolygonalGeometry() override;
  int RenderOverlay(vtkViewport*) override;


  void PushFrontMenuItem(const char* name, const char* text, vtkCommand* cmd);
  void RenameMenuItem(const char* name, const char* text);
  void RemoveMenuItem(const char* name);
  void RemoveAllMenuItems();

  vtkGetMacro(CurrentOption, double);

protected:
  vtkVRMenuRepresentation();
  ~vtkVRMenuRepresentation() override;

  class InternalElement;
  std::deque<InternalElement*> Menus;

  double CurrentOption; // count from start of the list
  double PlacedPos[3];
  double PlacedDOP[3];
  double PlacedVUP[3];
  double PlacedVRight[3];
  double PlacedOrientation[3];

private:
  vtkVRMenuRepresentation(const vtkVRMenuRepresentation&) = delete;
  void operator=(const vtkVRMenuRepresentation&) = delete;
};

VTK_ABI_NAMESPACE_END
#endif