vtkXRenderWindowInteractor.h

Go to the documentation of this file.

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

  Program:   Visualization Toolkit
  Module:    vtkXRenderWindowInteractor.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 vtkXRenderWindowInteractor_h
#define vtkXRenderWindowInteractor_h

//===========================================================
// now we define the C++ class

#include "vtkRenderWindowInteractor.h"
#include "vtkRenderingUIModule.h" // For export macro
#include <X11/Xlib.h>             // Needed for X types in the public interface

class vtkCallbackCommand;
class vtkXRenderWindowInteractorInternals;

class VTKRENDERINGUI_EXPORT vtkXRenderWindowInteractor : public vtkRenderWindowInteractor
{
public:
  static vtkXRenderWindowInteractor* New();
  vtkTypeMacro(vtkXRenderWindowInteractor, vtkRenderWindowInteractor);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void Initialize() override;

  void TerminateApp() override;

  void ProcessEvents() override;


  vtkGetMacro(BreakLoopFlag, int);
  void SetBreakLoopFlag(int);
  void BreakLoopFlagOff();
  void BreakLoopFlagOn();


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

  void UpdateSize(int, int) override;

  void GetMousePosition(int* x, int* y) override;

  void DispatchEvent(XEvent*);

protected:
  vtkXRenderWindowInteractor();
  ~vtkXRenderWindowInteractor() override;

  void UpdateSizeNoXResize(int, int);

  // Using static here to avoid destroying context when many apps are open:
  static int NumAppInitialized;

  Display* DisplayId;
  Window WindowId;
  Atom KillAtom;
  int PositionBeforeStereo[2];
  vtkXRenderWindowInteractorInternals* Internal;

  // Drag and drop related
  Window XdndSource;
  Atom XdndPositionAtom;
  Atom XdndDropAtom;
  Atom XdndActionCopyAtom;
  Atom XdndStatusAtom;
  Atom XdndFinishedAtom;


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

  void FireTimers();

  static int BreakLoopFlag;

  void StartEventLoop() override;

private:
  vtkXRenderWindowInteractor(const vtkXRenderWindowInteractor&) = delete;
  void operator=(const vtkXRenderWindowInteractor&) = delete;
};

#endif