vtkCheckerboardWidget.h

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

  Program:   Visualization Toolkit
  Module:    vtkCheckerboardWidget.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 vtkCheckerboardWidget_h
#define vtkCheckerboardWidget_h

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

class vtkCheckerboardRepresentation;
class vtkSliderWidget;

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


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

  void SetEnabled(int) override;

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

  vtkCheckerboardRepresentation* GetCheckerboardRepresentation()
  {
    return reinterpret_cast<vtkCheckerboardRepresentation*>(this->WidgetRep);
  }

  void CreateDefaultRepresentation() override;

protected:
  vtkCheckerboardWidget();
  ~vtkCheckerboardWidget() override;

  // The four slider widgets
  vtkSliderWidget* TopSlider;
  vtkSliderWidget* RightSlider;
  vtkSliderWidget* BottomSlider;
  vtkSliderWidget* LeftSlider;

  // Callback interface
  void StartCheckerboardInteraction();
  void CheckerboardInteraction(int sliderNum);
  void EndCheckerboardInteraction();

  friend class vtkCWCallback;

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

#endif