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/*=========================================================================
Program: Visualization Toolkit
Module: vtkEventForwarderCommand.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.
=========================================================================*/
/**
* @class vtkEventForwarderCommand
* @brief a simple event forwarder command
*
* Use vtkEventForwarderCommand to forward an event to a new object.
* This command will intercept the event, and use InvokeEvent
* on a 'target' as if that object was the one that invoked the event instead
* of the object this commmand was attached to using AddObserver.
*
* @sa
* vtkCommand
*/
#ifndef vtkEventForwarderCommand_h
#define vtkEventForwarderCommand_h
#include "vtkCommonCoreModule.h" // For export macro
#include "vtkCommand.h"
class VTKCOMMONCORE_EXPORT vtkEventForwarderCommand : public vtkCommand
{
public:
vtkTypeMacro(vtkEventForwarderCommand,vtkCommand);
static vtkEventForwarderCommand *New()
{return new vtkEventForwarderCommand;};
/**
* Satisfy the superclass API for callbacks. Recall that the caller is
* the instance invoking the event; eid is the event id (see
* vtkCommand.h); and calldata is information sent when the callback
* was invoked (e.g., progress value in the vtkCommand::ProgressEvent).
*/
void Execute(vtkObject *caller,
unsigned long eid,
void *callData) VTK_OVERRIDE;
/**
* Methods to set and get client and callback information, and the callback
* function.
*/
virtual void SetTarget(vtkObject *obj)
{ this->Target = obj; }
virtual void* GetTarget()
{ return this->Target; }
protected:
vtkObject *Target;
vtkEventForwarderCommand();
~vtkEventForwarderCommand() VTK_OVERRIDE {}
};
#endif /* vtkEventForwarderCommand_h */
// VTK-HeaderTest-Exclude: vtkEventForwarderCommand.h
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