vtkContextInteractorStyle.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkContextInteractorStyle.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 vtkContextInteractorStyle_h
#define vtkContextInteractorStyle_h
 
#include "vtkViewsContext2DModule.h" // For export macro
#include "vtkInteractorStyle.h"
#include "vtkNew.h" // For ivars
#include "vtkWeakPointer.h" // For ivars
 
class vtkContextMouseEvent;
class vtkContextScene;
 
class VTKVIEWSCONTEXT2D_EXPORT vtkContextInteractorStyle : public vtkInteractorStyle
{
public:
  static vtkContextInteractorStyle *New();
  vtkTypeMacro(vtkContextInteractorStyle, vtkInteractorStyle);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  void SetScene(vtkContextScene* scene);
 
  vtkContextScene* GetScene();
 
  virtual void OnSceneModified();
 
  virtual void OnMouseMove();
 
  virtual void OnLeftButtonDown();
 
  virtual void OnLeftButtonUp();
 
  virtual void OnMiddleButtonDown();
 
  virtual void OnMiddleButtonUp();
 
  virtual void OnRightButtonDown();
 
  virtual void OnRightButtonUp();
 
  virtual void OnMouseWheelForward();
 
  virtual void OnMouseWheelBackward();
 
  virtual void OnSelection(unsigned int rect[5]);
 
  virtual void OnChar();
 
  virtual void OnKeyPress();
 
  virtual void OnKeyRelease();
 
protected:
  vtkContextInteractorStyle();
  ~vtkContextInteractorStyle();
 
  static void ProcessSceneEvents(vtkObject* object, unsigned long event,
                                 void* clientdata, void* calldata);
 
  static void ProcessInteractorEvents(vtkObject* object, unsigned long event,
                                      void* clientdata, void* calldata);
 
  virtual void RenderNow();
 
  void BeginProcessingEvent();
 
  void EndProcessingEvent();
 
  vtkWeakPointer<vtkContextScene> Scene;
  vtkNew<vtkCallbackCommand> SceneCallbackCommand;
  vtkNew<vtkCallbackCommand> InteractorCallbackCommand;
  int                 ProcessingEvents;
  unsigned long int   LastSceneRepaintMTime;
 
  int                 TimerId;
  bool                TimerCallbackInitialized;
 
private:
  vtkContextInteractorStyle(const vtkContextInteractorStyle&); // Not implemented
  void operator=(const vtkContextInteractorStyle&); // Not implemented
 
  void ConstructMouseEvent(vtkContextMouseEvent &event, int button);
  bool ProcessMousePress(const vtkContextMouseEvent &event);
};
 
#endif