vtkWin32RenderWindowInteractor.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkWin32RenderWindowInteractor_h
#define vtkWin32RenderWindowInteractor_h

#include "vtkRenderWindowInteractor.h"
#include "vtkRenderingUIModule.h" // For export macro
#include "vtkWindows.h"           // For windows API.
#include "vtkWrappingHints.h"     // For VTK_MARSHALAUTO

#include <memory> // for std::unique_ptr

#include "vtkTDxConfigure.h" // defines VTK_USE_TDX
#ifdef VTK_USE_TDX
VTK_ABI_NAMESPACE_BEGIN
class vtkTDxWinDevice;
VTK_ABI_NAMESPACE_END
#endif

VTK_ABI_NAMESPACE_BEGIN
class VTKRENDERINGUI_EXPORT VTK_MARSHALAUTO vtkWin32RenderWindowInteractor
  : public vtkRenderWindowInteractor
{
public:
  static vtkWin32RenderWindowInteractor* New();

  vtkTypeMacro(vtkWin32RenderWindowInteractor, vtkRenderWindowInteractor);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void Initialize() override;


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

  void ProcessEvents() override;


  vtkSetMacro(InstallMessageProc, int);
  vtkGetMacro(InstallMessageProc, int);
  vtkBooleanMacro(InstallMessageProc, int);

  void TerminateApp() override;

  friend VTKRENDERINGUI_EXPORT LRESULT CALLBACK vtkHandleMessage(
    HWND hwnd, UINT uMsg, WPARAM w, LPARAM l);
  friend VTKRENDERINGUI_EXPORT LRESULT CALLBACK vtkHandleMessage2(
    HWND hwnd, UINT uMsg, WPARAM w, LPARAM l, vtkWin32RenderWindowInteractor* me);


  virtual int OnMouseMove(HWND wnd, UINT nFlags, int X, int Y);
  virtual int OnNCMouseMove(HWND wnd, UINT nFlags, int X, int Y);
  virtual int OnRButtonDown(HWND wnd, UINT nFlags, int X, int Y, int repeat = 0);
  virtual int OnRButtonUp(HWND wnd, UINT nFlags, int X, int Y);
  virtual int OnMButtonDown(HWND wnd, UINT nFlags, int X, int Y, int repeat = 0);
  virtual int OnMButtonUp(HWND wnd, UINT nFlags, int X, int Y);
  virtual int OnLButtonDown(HWND wnd, UINT nFlags, int X, int Y, int repeat = 0);
  virtual int OnLButtonUp(HWND wnd, UINT nFlags, int X, int Y);
  virtual int OnSize(HWND wnd, UINT nType, int X, int Y);
  virtual int OnTimer(HWND wnd, UINT nIDEvent);
  virtual int OnKeyDown(HWND wnd, UINT nChar, UINT nRepCnt, UINT nFlags);
  virtual int OnKeyUp(HWND wnd, UINT nChar, UINT nRepCnt, UINT nFlags);
  virtual int OnChar(HWND wnd, UINT nChar, UINT nRepCnt, UINT nFlags);
  virtual int OnMouseWheelForward(HWND wnd, UINT nFlags, int X, int Y);
  virtual int OnMouseWheelBackward(HWND wnd, UINT nFlags, int X, int Y);
  virtual int OnFocus(HWND wnd, UINT nFlags);
  virtual int OnKillFocus(HWND wnd, UINT nFlags);
  virtual int OnTouch(HWND wnd, UINT wParam, UINT lParam);
  virtual int OnDropFiles(HWND wnd, WPARAM wParam);


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

  void ExitCallback() override;

protected:
  vtkWin32RenderWindowInteractor();
  ~vtkWin32RenderWindowInteractor() override;

  HWND WindowId;
  WNDPROC OldProc;
  int InstallMessageProc;
  int MouseInWindow;
  int StartedMessageLoop;


  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;

#ifdef VTK_USE_TDX
  vtkTDxWinDevice* Device;
#endif

private:
  vtkWin32RenderWindowInteractor(const vtkWin32RenderWindowInteractor&) = delete;
  void operator=(const vtkWin32RenderWindowInteractor&) = delete;

  class vtkInternals;
  std::unique_ptr<vtkInternals> Internals;
};

VTK_ABI_NAMESPACE_END
#endif