vtkQWidgetWidget.h

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

#include "vtkAbstractWidget.h"
#include "vtkGUISupportQtModule.h" // For export macro
#include <QPointF>                 // for ivar

class QWidget;

VTK_ABI_NAMESPACE_BEGIN
class vtkQWidgetRepresentation;

class VTKGUISUPPORTQT_EXPORT vtkQWidgetWidget : public vtkAbstractWidget
{
  friend class vtkInteractionCallback;

public:
  static vtkQWidgetWidget* New();


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

  void SetRepresentation(vtkQWidgetRepresentation* rep);

  // Description:
  // Disable/Enable the widget if needed.
  // Unobserved the camera if the widget is disabled.
  void SetEnabled(int enabling) override;

  vtkQWidgetRepresentation* GetQWidgetRepresentation();

  void CreateDefaultRepresentation() override;

  void SetWidget(QWidget* w);
  QWidget* GetWidget() { return this->Widget; }

protected:
  vtkQWidgetWidget();
  ~vtkQWidgetWidget() override;

  // Manage the state of the widget
  int WidgetState;
  enum WidgetStateType
  {
    Start = 0,
    Active
  };

  QWidget* Widget;
  QPointF LastWidgetCoordinates;
  QPointF SteadyWidgetCoordinates;
  double SelectStartTime;

  // These methods handle events
  static void SelectAction3D(vtkAbstractWidget*);
  static void EndSelectAction3D(vtkAbstractWidget*);
  static void MoveAction3D(vtkAbstractWidget*);

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

VTK_ABI_NAMESPACE_END
#endif