vtkTensorProbeWidget.h

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

  Program:   Visualization Toolkit
  Module:    vtkTensorProbeWidget.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 vtkTensorProbeWidget_h
#define vtkTensorProbeWidget_h

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

class vtkTensorProbeRepresentation;
class vtkPolyData;

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


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

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

  vtkTensorProbeRepresentation *GetTensorProbeRepresentation()
    {return reinterpret_cast<vtkTensorProbeRepresentation*>(this->WidgetRep);}

  virtual void CreateDefaultRepresentation();

protected:
  vtkTensorProbeWidget();
  ~vtkTensorProbeWidget();

  // 1 when the probe has been selected, for instance when dragging it around
  int           Selected;

  int           LastEventPosition[2];

  // Callback interface to capture events and respond
  static void SelectAction    (vtkAbstractWidget*);
  static void MoveAction      (vtkAbstractWidget*);
  static void EndSelectAction (vtkAbstractWidget*);

private:
  vtkTensorProbeWidget(
      const vtkTensorProbeWidget&) VTK_DELETE_FUNCTION;
  void operator=(const vtkTensorProbeWidget&) VTK_DELETE_FUNCTION;

};

#endif