vtkCaptionWidget.h

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

  Program:   Visualization Toolkit
  Module:    vtkCaptionWidget.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 vtkCaptionWidget_h
#define vtkCaptionWidget_h

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

class vtkCaptionRepresentation;
class vtkCaptionActor2D;
class vtkHandleWidget;
class vtkPointHandleRepresentation3D;
class vtkCaptionAnchorCallback;


class VTKINTERACTIONWIDGETS_EXPORT vtkCaptionWidget : public vtkBorderWidget
{
public:
  static vtkCaptionWidget *New();


  vtkTypeMacro(vtkCaptionWidget,vtkBorderWidget);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual void SetEnabled(int enabling);


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


  void SetCaptionActor2D(vtkCaptionActor2D *capActor);
  vtkCaptionActor2D *GetCaptionActor2D();

  void CreateDefaultRepresentation();

protected:
  vtkCaptionWidget();
  ~vtkCaptionWidget();

  // Handles callbacks from the anchor point
  vtkCaptionAnchorCallback *AnchorCallback;

  // Widget for the anchor point
  vtkHandleWidget *HandleWidget;

  // Special callbacks for the anchor interaction
  void StartAnchorInteraction();
  void AnchorInteraction();
  void EndAnchorInteraction();

//BTX
  friend class vtkCaptionAnchorCallback;
//ETX

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

#endif