vtkIOSRenderWindowInteractor.h

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

  Program:   Visualization Toolkit
  Module:    vtkIOSRenderWindowInteractor.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.

=========================================================================*/
#ifndef vtkIOSRenderWindowInteractor_h
#define vtkIOSRenderWindowInteractor_h

#include "vtkRenderingOpenGL2Module.h" // For export macro
#include "vtkRenderWindowInteractor.h"

class VTKRENDERINGOPENGL2_EXPORT vtkIOSRenderWindowInteractor : public vtkRenderWindowInteractor
{
public:
  static vtkIOSRenderWindowInteractor *New();

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

  void Initialize() override;


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

  void TerminateApp() 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:
  vtkIOSRenderWindowInteractor();
  ~vtkIOSRenderWindowInteractor() 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 SetIOSManager(void *manager);
  void *GetIOSManager();

private:
  vtkIOSRenderWindowInteractor(const vtkIOSRenderWindowInteractor&) = delete;
  void operator=(const vtkIOSRenderWindowInteractor&) = 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 IOSManager dictionary to keep a collection
  // of what would otherwise be Objective-C instance variables.
  void    *IOSManager;        // Really an NSMutableDictionary*

};

#endif