VTK  9.1.20211024
vtkOldStyleCallbackCommand.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkOldStyleCallbackCommand.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
34 #ifndef vtkOldStyleCallbackCommand_h
35 #define vtkOldStyleCallbackCommand_h
36 
37 #include "vtkCommand.h"
38 #include "vtkCommonCoreModule.h" // For export macro
39 
40 // the old style void fund(void *) callbacks
41 class VTKCOMMONCORE_EXPORT vtkOldStyleCallbackCommand : public vtkCommand
42 {
43 public:
45 
47 
51  void Execute(vtkObject* invoker, unsigned long eid, void* calldata) override;
52 
54 
57  void SetClientData(void* cd) { this->ClientData = cd; }
58  void SetCallback(void (*f)(void* clientdata)) { this->Callback = f; }
59  void SetClientDataDeleteCallback(void (*f)(void*)) { this->ClientDataDeleteCallback = f; }
61 
62  void* ClientData;
63  void (*Callback)(void*);
64  void (*ClientDataDeleteCallback)(void*);
65 
66 protected:
69 };
70 
71 #endif /* vtkOldStyleCallbackCommand_h */
72 
73 // VTK-HeaderTest-Exclude: vtkOldStyleCallbackCommand.h
superclass for callback/observer methods
Definition: vtkCommand.h:394
abstract base class for most VTK objects
Definition: vtkObject.h:82
supports legacy function callbacks for VTK
void SetClientData(void *cd)
Methods to set and get client and callback information.
void Execute(vtkObject *invoker, unsigned long eid, void *calldata) override
Satisfy the superclass API for callbacks.
static vtkOldStyleCallbackCommand * New()
void SetClientDataDeleteCallback(void(*f)(void *))
Methods to set and get client and callback information.
~vtkOldStyleCallbackCommand() override
void SetCallback(void(*f)(void *clientdata))
Methods to set and get client and callback information.