vtkWidgetEventTranslator.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkWidgetEventTranslator.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 vtkWidgetEventTranslator_h
#define vtkWidgetEventTranslator_h
 
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkObject.h"
 
// Support PIMPL encapsulation of internal STL map
class vtkEventMap;
class vtkRenderWindowInteractor;
class vtkCallbackCommand;
class vtkEvent;
class vtkAbstractWidget;
 
 
// This is a lightweight class that should be used internally by the widgets
class VTKINTERACTIONWIDGETS_EXPORT vtkWidgetEventTranslator : public vtkObject
{
public:
  static vtkWidgetEventTranslator *New();
 
 
  vtkTypeMacro(vtkWidgetEventTranslator,vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);
 
 
  void SetTranslation(unsigned long VTKEvent, unsigned long widgetEvent);
  void SetTranslation(const char *VTKEvent, const char *widgetEvent);
  void SetTranslation(unsigned long VTKEvent, int modifier, char keyCode,
                      int repeatCount, const char* keySym, unsigned long widgetEvent);
  void SetTranslation(vtkEvent *VTKevent, unsigned long widgetEvent);
 
 
  unsigned long GetTranslation(unsigned long VTKEvent);
  const char *GetTranslation(const char *VTKEvent);
  unsigned long GetTranslation(unsigned long VTKEvent, int modifier, char keyCode,
                               int repeatCount, char* keySym);
  unsigned long GetTranslation(vtkEvent *VTKEvent);
 
 
  int RemoveTranslation( unsigned long VTKEvent,
                         int modifier,    char keyCode,
                         int repeatCount, char* keySym);
  int RemoveTranslation( vtkEvent *e );
  int RemoveTranslation(unsigned long VTKEvent);
  int RemoveTranslation(const char *VTKEvent);
 
  void ClearEvents();
 
//BTX
 
  void AddEventsToParent(vtkAbstractWidget*, vtkCallbackCommand*, float priority);
  void AddEventsToInteractor(vtkRenderWindowInteractor*, vtkCallbackCommand*,
                             float priority);
//ETX
 
protected:
  // Constructors/destructors made public for widgets to use
  vtkWidgetEventTranslator();
  ~vtkWidgetEventTranslator();
 
  // Map VTK events to widget events
  vtkEventMap *EventMap;
 
  // Used for performance reasons to avoid object construction/deletion
  vtkEvent *Event;
 
private:
  vtkWidgetEventTranslator(const vtkWidgetEventTranslator&);  //Not implemented
  void operator=(const vtkWidgetEventTranslator&);  //Not implemented
 
};
 
#endif /* vtkWidgetEventTranslator_h */