vtkCocoaRenderWindowInteractor.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkCocoaRenderWindowInteractor_h
#define vtkCocoaRenderWindowInteractor_h

#include "vtkRenderWindowInteractor.h"
#include "vtkRenderingUIModule.h" // For export macro
#include "vtkTDxConfigure.h"      // defines VTK_USE_TDX
#include "vtkWrappingHints.h"     // For VTK_MARSHALAUTO
#ifdef VTK_USE_TDX
VTK_ABI_NAMESPACE_BEGIN
class vtkTDxMacDevice;
VTK_ABI_NAMESPACE_END
#endif

VTK_ABI_NAMESPACE_BEGIN
class VTKRENDERINGUI_EXPORT VTK_MARSHALAUTO vtkCocoaRenderWindowInteractor
  : public vtkRenderWindowInteractor
{
public:
  static vtkCocoaRenderWindowInteractor* New();

  vtkTypeMacro(vtkCocoaRenderWindowInteractor, vtkRenderWindowInteractor);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void Initialize() override;


  void Enable() override;
  void Disable() override;

  void TerminateApp() override;

  void ProcessEvents() override;


  static void SetClassExitMethod(void (*f)(void*), void* arg);
  static void SetClassExitMethodArgDelete(void (*f)(void*));

  void ExitCallback() override;

  //  int GetButtonDown();
  //  void SetButtonDown(int button);

protected:
  vtkCocoaRenderWindowInteractor();
  ~vtkCocoaRenderWindowInteractor() override;

  void SetTimerDictionary(void* dictionary); // Really an NSMutableDictionary*
  void* GetTimerDictionary();


  static void (*ClassExitMethod)(void*);
  static void (*ClassExitMethodArgDelete)(void*);
  static void* ClassExitMethodArg;


  int InternalCreateTimer(int timerId, int timerType, unsigned long duration) override;
  int InternalDestroyTimer(int platformTimerId) override;

  void StartEventLoop() override;


  void SetCocoaManager(void* manager);
  void* GetCocoaManager();

#ifdef VTK_USE_TDX
  vtkTDxMacDevice* Device;
#endif

private:
  vtkCocoaRenderWindowInteractor(const vtkCocoaRenderWindowInteractor&) = delete;
  void operator=(const vtkCocoaRenderWindowInteractor&) = delete;

  // Important: this class cannot contain Objective-C instance
  // variables for 2 reasons:
  // 1) C++ files include this header
  // 2) because of garbage collection
  // Instead, use the CocoaManager dictionary to keep a collection
  // of what would otherwise be Objective-C instance variables.
  void* CocoaManager; // Really an NSMutableDictionary*
};

VTK_ABI_NAMESPACE_END
#endif