vtkSDL2RenderWindowInteractor.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkSDL2RenderWindowInteractor_h
#define vtkSDL2RenderWindowInteractor_h
 
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderingUIModule.h" // For export macro
#include <map>                    // for ivar
 
VTK_ABI_NAMESPACE_BEGIN
class VTKRENDERINGUI_EXPORT vtkSDL2RenderWindowInteractor : public vtkRenderWindowInteractor
{
public:
  static vtkSDL2RenderWindowInteractor* New();
 
  vtkTypeMacro(vtkSDL2RenderWindowInteractor, vtkRenderWindowInteractor);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  void Initialize() override;
 
  void ProcessEvents() override;
 
  void TerminateApp() override;
 
  void ExitCallback() override;
 
  // When using emscripten this adds the event handler
  // and then returns without blocking or aborting.
  // TerminateApp will remove the event hanbdler.
  void AddEventHandler();
 
protected:
  vtkSDL2RenderWindowInteractor();
  ~vtkSDL2RenderWindowInteractor() override;
 
  bool ProcessEvent(void* event);
 
 
  int InternalCreateTimer(int timerId, int timerType, unsigned long duration) override;
  int InternalDestroyTimer(int platformTimerId) override;
 
  std::map<int, int> VTKToPlatformTimerMap;
 
  void StartEventLoop() override;
 
  bool StartedMessageLoop;
 
private:
  vtkSDL2RenderWindowInteractor(const vtkSDL2RenderWindowInteractor&) = delete;
  void operator=(const vtkSDL2RenderWindowInteractor&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif