vtkCallbackCommand.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkCallbackCommand.h,v $

  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 __vtkCallbackCommand_h
#define __vtkCallbackCommand_h

#include "vtkCommand.h"

class VTK_COMMON_EXPORT vtkCallbackCommand : public vtkCommand
{
public:
  static vtkCallbackCommand *New() 
    {return new vtkCallbackCommand;};

  virtual void Execute(vtkObject *caller, unsigned long eid, void *callData);


  virtual void SetClientData(void *cd) 
    { this->ClientData = cd; }
  virtual void* GetClientData()
    { return this->ClientData; }
  virtual void SetCallback(void (*f)(vtkObject *caller, unsigned long eid, 
                                     void *clientdata, void *calldata)) 
    { this->Callback = f; }
  virtual void SetClientDataDeleteCallback(void (*f)(void *))
    { this->ClientDataDeleteCallback = f; }
  

  void SetAbortFlagOnExecute(int f)  
    { this->AbortFlagOnExecute = f; }
  int GetAbortFlagOnExecute() 
    { return this->AbortFlagOnExecute; }
  void AbortFlagOnExecuteOn() 
    { this->SetAbortFlagOnExecute(1); }
  void AbortFlagOnExecuteOff() 
    { this->SetAbortFlagOnExecute(0); }

  void (*Callback)(vtkObject *, unsigned long, void *, void *);
  void (*ClientDataDeleteCallback)(void *);

protected:

  int AbortFlagOnExecute;
  void *ClientData;

  vtkCallbackCommand();
  ~vtkCallbackCommand();
};



#endif /* __vtkCallbackCommand_h */
 

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