vtkMultiLineWidget.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkMultiLineWidget_h
#define vtkMultiLineWidget_h
 
#include "vtkAbstractWidget.h"
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkWrappingHints.h"            // For VTK_MARSHALAUTO
 
VTK_ABI_NAMESPACE_BEGIN
class vtkLineWidget2;
class vtkMultiLineRepresentation;
 
class VTKINTERACTIONWIDGETS_EXPORT VTK_MARSHALAUTO vtkMultiLineWidget : public vtkAbstractWidget
{
public:
  static vtkMultiLineWidget* New();
 
  vtkTypeMacro(vtkMultiLineWidget, vtkAbstractWidget);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void SetEnabled(int enabling) override;

  void SetRepresentation(vtkMultiLineRepresentation* repr);

  vtkMTimeType GetMTime() override;


  static void SelectAction(vtkAbstractWidget* widget);
  static void EndSelectAction(vtkAbstractWidget* widget);
  static void MoveAction(vtkAbstractWidget* widget);


  void SetLineCount(int count);
  vtkGetMacro(LineCount, int)

  vtkMultiLineRepresentation* GetMultiLineRepresentation();

  void CreateDefaultRepresentation() override;

  void SetProcessEvents(vtkTypeBool enabled) override;

  void SetInteractor(vtkRenderWindowInteractor* interactor) override;
 
protected:
  vtkMultiLineWidget();
  ~vtkMultiLineWidget() override;
 
private:
  vtkMultiLineWidget(const vtkMultiLineWidget&) = delete;
  void operator=(const vtkMultiLineWidget&) = delete;
 
  std::vector<vtkSmartPointer<vtkLineWidget2>> LineWidgetVector;
  int LineCount = 0;
 
  // Manage the state of the widget (and his corresponding enum in vtkLineWidget2)
  enum WidgetStateType
  {
    NOT_SELECTED = 0, // Start
    ACTIVE_SELECTION  // Active
  };
  int WidgetState = vtkMultiLineWidget::NOT_SELECTED;
};
 
VTK_ABI_NAMESPACE_END
#endif