vtkCameraPathWidget.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkCameraPathWidget_h
#define vtkCameraPathWidget_h

#include "vtkAbstractWidget.h"
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkNew.h"                      // for vtkNew
#include "vtkWrappingHints.h"            // For VTK_MARSHALAUTO

VTK_ABI_NAMESPACE_BEGIN
class vtkCameraPathRepresentation;

class VTKINTERACTIONWIDGETS_EXPORT VTK_MARSHALAUTO 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;

  int WidgetState = vtkCameraPathWidget::Start;
  enum WidgetStateType
  {
    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;
};

VTK_ABI_NAMESPACE_END
#endif