vtkHandleWidget.h

Go to the documentation of this file.

/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkHandleWidget.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 vtkHandleWidget_h
#define vtkHandleWidget_h
 
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkAbstractWidget.h"
 
class vtkHandleRepresentation;
 
 
class VTKINTERACTIONWIDGETS_EXPORT vtkHandleWidget : public vtkAbstractWidget
{
public:
  static vtkHandleWidget *New();
 
 
  vtkTypeMacro(vtkHandleWidget,vtkAbstractWidget);
  void PrintSelf(ostream& os, vtkIndent indent);
 
 
  void SetRepresentation(vtkHandleRepresentation *r)
    {this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));}
 
 
  vtkHandleRepresentation *GetHandleRepresentation()
    {return reinterpret_cast<vtkHandleRepresentation*>(this->WidgetRep);}
 
  void CreateDefaultRepresentation();
 
 
  vtkSetMacro( EnableAxisConstraint, int );
  vtkGetMacro( EnableAxisConstraint, int );
  vtkBooleanMacro( EnableAxisConstraint, int );
 
 
  vtkSetMacro( AllowHandleResize, int );
  vtkGetMacro( AllowHandleResize, int );
  vtkBooleanMacro( AllowHandleResize, int );
 
 
  vtkGetMacro( WidgetState, int );
 
  //BTX - manage the state of the widget
  enum _WidgetState {Start=0,Active};
  //ETX
 
protected:
  vtkHandleWidget();
  ~vtkHandleWidget();
 
  // These are the callbacks for this widget
  static void GenericAction(vtkHandleWidget*);
  static void SelectAction(vtkAbstractWidget*);
  static void EndSelectAction(vtkAbstractWidget*);
  static void TranslateAction(vtkAbstractWidget*);
  static void ScaleAction(vtkAbstractWidget*);
  static void MoveAction(vtkAbstractWidget*);
 
  // helper methods for cursor management
  void SetCursor(int state);
 
  int WidgetState;
  int EnableAxisConstraint;
 
  // Allow resizing of handles.
  int AllowHandleResize;
 
private:
  vtkHandleWidget(const vtkHandleWidget&);  //Not implemented
  void operator=(const vtkHandleWidget&);  //Not implemented
};
 
#endif