vtkCameraPathWidget.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkCameraPathWidget.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 vtkCameraPathWidget_h
#define vtkCameraPathWidget_h
 
#include "vtkAbstractWidget.h"
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkNew.h"                      // for vtkNew
 
class vtkCameraPathRepresentation;
 
class VTKINTERACTIONWIDGETS_EXPORT vtkCameraPathWidget : public vtkAbstractWidget
{
public:
  static vtkCameraPathWidget* New();
  vtkTypeMacro(vtkCameraPathWidget, vtkAbstractWidget);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  void SetRepresentation(vtkCameraPathRepresentation* r);
 
  void SetEnabled(int enabling) override;
 
  void CreateDefaultRepresentation() override;
 
protected:
  vtkCameraPathWidget();
  ~vtkCameraPathWidget() override = default;
 
  int WidgetState = vtkCameraPathWidget::Start;
  enum _WidgetState
  {
    Start = 0,
    Active
  };
 
  // These methods handle events
  static void SelectAction(vtkAbstractWidget*);
  static void EndSelectAction(vtkAbstractWidget*);
  static void TranslateAction(vtkAbstractWidget*);
  static void ScaleAction(vtkAbstractWidget*);
  static void MoveAction(vtkAbstractWidget*);
 
  vtkNew<vtkCallbackCommand> KeyEventCallbackCommand;
  static void ProcessKeyEvents(vtkObject*, unsigned long, void*, void*);
 
private:
  vtkCameraPathWidget(const vtkCameraPathWidget&) = delete;
  void operator=(const vtkCameraPathWidget&) = delete;
};
 
#endif