vtkQWidgetRepresentation.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkQWidgetRepresentation.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef vtkQWidgetRepresentation_h
#define vtkQWidgetRepresentation_h
 
#include "vtkGUISupportQtModule.h" // For export macro
#include "vtkWidgetRepresentation.h"
 
class QWidget;
class vtkActor;
class vtkCellPicker;
class vtkOpenGLTexture;
class vtkPlaneSource;
class vtkPolyDataAlgorithm;
class vtkPolyDataMapper;
class vtkQWidgetTexture;
 
class VTKGUISUPPORTQT_EXPORT vtkQWidgetRepresentation : public vtkWidgetRepresentation
{
public:
  static vtkQWidgetRepresentation* New();
 
 
  vtkTypeMacro(vtkQWidgetRepresentation, vtkWidgetRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  vtkPolyDataAlgorithm* GetPolyDataAlgorithm();
 
  void UpdatePlacement(void);
 
 
  void PlaceWidget(double bounds[6]) override;
  void BuildRepresentation() override;
  int ComputeComplexInteractionState(vtkRenderWindowInteractor* iren, vtkAbstractWidget* widget,
    unsigned long event, void* calldata, int modify = 0) override;
 
 
  double* GetBounds() VTK_SIZEHINT(6) override;
  void GetActors(vtkPropCollection* pc) override;
  void ReleaseGraphicsResources(vtkWindow*) override;
  int RenderOpaqueGeometry(vtkViewport*) override;
  int RenderTranslucentPolygonalGeometry(vtkViewport*) override;
  vtkTypeBool HasTranslucentPolygonalGeometry() override;
 
  // Manage the state of the widget
  enum _InteractionState
  {
    Outside = 0,
    Inside
  };
 
 
  vtkSetClampMacro(InteractionState, int, Outside, Inside);
 
  void SetWidget(QWidget* w);
 
  vtkGetObjectMacro(QWidgetTexture, vtkQWidgetTexture);
 
  vtkGetObjectMacro(PlaneSource, vtkPlaneSource);
 
  vtkGetVector2Macro(WidgetCoordinates, float);
 
protected:
  vtkQWidgetRepresentation();
  ~vtkQWidgetRepresentation() override;
 
  float WidgetCoordinates[2];
 
  vtkPlaneSource* PlaneSource;
  vtkPolyDataMapper* PlaneMapper;
  vtkActor* PlaneActor;
  vtkOpenGLTexture* PlaneTexture;
  vtkQWidgetTexture* QWidgetTexture;
 
  vtkCellPicker* Picker;
 
  // Register internal Pickers within PickingManager
  void RegisterPickers() override;
 
private:
  vtkQWidgetRepresentation(const vtkQWidgetRepresentation&) = delete;
  void operator=(const vtkQWidgetRepresentation&) = delete;
};
 
#endif