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

  Program:   Visualization Toolkit
  Module:    vtkSliderWidget.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 vtkSliderWidget_h
#define vtkSliderWidget_h

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

class vtkSliderRepresentation;


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


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


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


  vtkSliderRepresentation *GetSliderRepresentation()
    {return reinterpret_cast<vtkSliderRepresentation*>(this->WidgetRep);}


  vtkSetClampMacro(AnimationMode, int, AnimateOff, Animate);
  vtkGetMacro(AnimationMode, int);
  void SetAnimationModeToOff() { this->SetAnimationMode(AnimateOff); }
  void SetAnimationModeToJump() { this->SetAnimationMode(Jump); }
  void SetAnimationModeToAnimate() { this->SetAnimationMode(Animate); }


  vtkSetClampMacro(NumberOfAnimationSteps,int,1,VTK_INT_MAX);
  vtkGetMacro(NumberOfAnimationSteps,int);

  void CreateDefaultRepresentation();

protected:
  vtkSliderWidget();
  ~vtkSliderWidget() {}

  // These are the events that are handled
  static void SelectAction(vtkAbstractWidget*);
  static void EndSelectAction(vtkAbstractWidget*);
  static void MoveAction(vtkAbstractWidget*);
  void AnimateSlider(int selectionState);

//BTX - manage the state of the widget
  int WidgetState;
  enum _WidgetState
  {
    Start=0,
    Sliding,
    Animating
  };

  int NumberOfAnimationSteps;
  int AnimationMode;
  enum AnimationState {
    AnimateOff,
    Jump,
    Animate
  };

//ETX


private:
  vtkSliderWidget(const vtkSliderWidget&);  //Not implemented
  void operator=(const vtkSliderWidget&);  //Not implemented
};

#endif