---

Rendering/vtkInteractorEventRecorder.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkInteractorEventRecorder.h,v $
  Language:  C++

  Copyright (c) 1993-2002 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 __vtkInteractorEventRecorder_h
#define __vtkInteractorEventRecorder_h

#include "vtkInteractorObserver.h"

// The superclass that all commands should be subclasses of
class VTK_RENDERING_EXPORT vtkInteractorEventRecorder : public vtkInteractorObserver
{
public:
  static vtkInteractorEventRecorder *New();
  vtkTypeRevisionMacro(vtkInteractorEventRecorder,vtkInteractorObserver);
  void PrintSelf(ostream& os, vtkIndent indent);

  // Satisfy the superclass API. Enable/disable listening for events.
  virtual void SetEnabled(int);
  virtual void SetInteractor(vtkRenderWindowInteractor* iren);


  vtkSetStringMacro(FileName);
  vtkGetStringMacro(FileName);

  void Record();

  void Play();

  void Stop();

  void Rewind();


  vtkSetMacro(ReadFromInputString,int);
  vtkGetMacro(ReadFromInputString,int);
  vtkBooleanMacro(ReadFromInputString,int);


  vtkSetStringMacro(InputString);
  vtkGetStringMacro(InputString);

protected:
  vtkInteractorEventRecorder();
  ~vtkInteractorEventRecorder();

  // file to read/write from
  char *FileName;
  
  // control whether to read from string
  int ReadFromInputString;
  char *InputString;

  // for reading and writing
  istream *InputStream;
  ostream *OutputStream;

  //methods for processing events
  static void ProcessCharEvent(vtkObject* object, unsigned long event,
                               void* clientdata, void* calldata);
  static void ProcessEvents(vtkObject* object, unsigned long event,
                            void* clientdata, void* calldata);

  virtual void WriteEvent(const char* event, int pos[2], int ctrlKey,
                          int shiftKey, int keyCode, int repeatCount,
                          char* keySym);
  
  virtual void ReadEvent();

//BTX - manage the state of the recorder
  int State;
  enum WidgetState
  {
    Start=0,
    Playing,
    Recording
  };
//ETX

  static float StreamVersion;

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

#endif /* __vtkInteractorEventRecorder_h */
 

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