vtkMagnifierWidget.h

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

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

VTK_ABI_NAMESPACE_BEGIN
class vtkMagnifierRepresentation;

class VTKINTERACTIONWIDGETS_EXPORT VTK_MARSHALAUTO vtkMagnifierWidget : public vtkAbstractWidget
{
public:
  static vtkMagnifierWidget* New();


  vtkTypeMacro(vtkMagnifierWidget, vtkAbstractWidget);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void SetRepresentation(vtkMagnifierRepresentation* r)
  {
    this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));
  }

  vtkMagnifierRepresentation* GetMagnifierRepresentation()
  {
    return reinterpret_cast<vtkMagnifierRepresentation*>(this->WidgetRep);
  }

  void CreateDefaultRepresentation() override;

  void SetEnabled(int enabling) override;


  vtkSetMacro(KeyPressIncreaseValue, char);
  vtkGetMacro(KeyPressIncreaseValue, char);
  vtkSetMacro(KeyPressDecreaseValue, char);
  vtkGetMacro(KeyPressDecreaseValue, char);

protected:
  vtkMagnifierWidget();
  ~vtkMagnifierWidget() override;

  // Keypresses to change value
  char KeyPressIncreaseValue;
  char KeyPressDecreaseValue;

  // process the registered events
  static void MoveAction(vtkAbstractWidget*);
  static void CharAction(vtkAbstractWidget*);

  int WidgetState;
  enum WidgetStateType
  {
    Invisible = 0,
    Visible
  };

private:
  vtkMagnifierWidget(const vtkMagnifierWidget&) = delete;
  void operator=(const vtkMagnifierWidget&) = delete;
};

VTK_ABI_NAMESPACE_END
#endif