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72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkEventForwarderCommand.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkEventForwarderCommand
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* @brief a simple event forwarder command
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*
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* Use vtkEventForwarderCommand to forward an event to a new object.
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* This command will intercept the event, and use InvokeEvent
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* on a 'target' as if that object was the one that invoked the event instead
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* of the object this commmand was attached to using AddObserver.
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*
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* @sa
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* vtkCommand
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*/
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#ifndef vtkEventForwarderCommand_h
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#define vtkEventForwarderCommand_h
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#include "vtkCommonCoreModule.h" // For export macro
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#include "vtkCommand.h"
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class VTKCOMMONCORE_EXPORT vtkEventForwarderCommand : public vtkCommand
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{
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public:
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vtkTypeMacro(vtkEventForwarderCommand,vtkCommand);
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static vtkEventForwarderCommand *New()
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{return new vtkEventForwarderCommand;};
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/**
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* Satisfy the superclass API for callbacks. Recall that the caller is
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* the instance invoking the event; eid is the event id (see
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* vtkCommand.h); and calldata is information sent when the callback
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* was invoked (e.g., progress value in the vtkCommand::ProgressEvent).
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*/
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void Execute(vtkObject *caller,
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unsigned long eid,
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void *callData) VTK_OVERRIDE;
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/**
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* Methods to set and get client and callback information, and the callback
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* function.
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*/
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virtual void SetTarget(vtkObject *obj)
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{ this->Target = obj; }
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virtual void* GetTarget()
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{ return this->Target; }
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protected:
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vtkObject *Target;
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vtkEventForwarderCommand();
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~vtkEventForwarderCommand() VTK_OVERRIDE {}
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};
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#endif /* vtkEventForwarderCommand_h */
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// VTK-HeaderTest-Exclude: vtkEventForwarderCommand.h
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