vtkSphereWidget2.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkSphereWidget2.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 vtkSphereWidget2_h
#define vtkSphereWidget2_h

#include "vtkAbstractWidget.h"
#include "vtkInteractionWidgetsModule.h" // For export macro

class vtkSphereRepresentation;
class vtkHandleWidget;

class VTKINTERACTIONWIDGETS_EXPORT vtkSphereWidget2 : public vtkAbstractWidget
{
public:
  static vtkSphereWidget2* New();


  vtkTypeMacro(vtkSphereWidget2, vtkAbstractWidget);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void SetRepresentation(vtkSphereRepresentation* r)
  {
    this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));
  }


  vtkSetMacro(TranslationEnabled, vtkTypeBool);
  vtkGetMacro(TranslationEnabled, vtkTypeBool);
  vtkBooleanMacro(TranslationEnabled, vtkTypeBool);
  vtkSetMacro(ScalingEnabled, vtkTypeBool);
  vtkGetMacro(ScalingEnabled, vtkTypeBool);
  vtkBooleanMacro(ScalingEnabled, vtkTypeBool);

  void CreateDefaultRepresentation() override;

  void SetEnabled(int enabling) override;

protected:
  vtkSphereWidget2();
  ~vtkSphereWidget2() override;

  // Manage the state of the widget
  int WidgetState;
  enum _WidgetState
  {
    Start = 0,
    Active
  };

  // These methods handle events
  static void SelectAction(vtkAbstractWidget*);
  static void EndSelectAction(vtkAbstractWidget*);
  static void TranslateAction(vtkAbstractWidget*);
  static void ScaleAction(vtkAbstractWidget*);
  static void MoveAction(vtkAbstractWidget*);

  // Control whether scaling and translation are supported
  vtkTypeBool TranslationEnabled;
  vtkTypeBool ScalingEnabled;

  vtkCallbackCommand* KeyEventCallbackCommand;
  static void ProcessKeyEvents(vtkObject*, unsigned long, void*, void*);

private:
  vtkSphereWidget2(const vtkSphereWidget2&) = delete;
  void operator=(const vtkSphereWidget2&) = delete;
};

#endif