QmitkMultiLabelSelectionLabel.h

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
#ifndef QmitkMultiLabelSelectionLabel_h
#define QmitkMultiLabelSelectionLabel_h
 
#include <MitkSegmentationUIExports.h>
#include <mitkWeakPointer.h>
#include <mitkLabelSetImage.h>
#include <mitkDataNode.h>
#include <mitkLabelHighlightGuard.h>
 
#include <QWidget>
 
namespace Ui
{
  class QmitkMultiLabelSelectionLabel;
}
 
/*
* @brief This is a widget that behaves like a QLabel widget and displays the selected labels of
* a segmentation with name and color.
* It also allows label highlighting in render windows if the node is set and
* mouse hovers over the widget.
*/
class MITKSEGMENTATIONUI_EXPORT QmitkMultiLabelSelectionLabel : public QWidget
{
  Q_OBJECT
 
public:
  QmitkMultiLabelSelectionLabel(QWidget* parent = nullptr);
  ~QmitkMultiLabelSelectionLabel();
 
  bool GetHighlightingActivated() const;
  mitk::MultiLabelSegmentation* GetMultiLabelSegmentation() const;
  mitk::DataNode* GetMultiLabelNode() const;
  QString GetEmptyInfo() const;
 
  using LabelValueType = mitk::MultiLabelSegmentation::LabelValueType;
  using LabelValueVectorType = mitk::MultiLabelSegmentation::LabelValueVectorType;
 
  LabelValueVectorType GetSelectedLabels() const;
 
Q_SIGNALS:
  void CurrentSelectionChanged(LabelValueVectorType labels) const;
 
public Q_SLOTS:
 
  void SetSelectedLabels(const LabelValueVectorType& selectedLabels);
  void SetSelectedLabel(mitk::MultiLabelSegmentation::LabelValueType selectedLabel);
 
  void SetMultiLabelSegmentation(mitk::MultiLabelSegmentation* segmentation);
 
  void SetMultiLabelNode(mitk::DataNode* node);
 
  void SetHighlightingActivated(bool visiblityMod);
 
  void SetEmptyInfo(QString info);
 
protected:
  void Initialize();
  void UpdateWidget();
 
  mitk::MultiLabelSegmentation::Pointer m_Segmentation;
 
  LabelValueVectorType m_LastValidSelectedLabels;
 
  std::unique_ptr<Ui::QmitkMultiLabelSelectionLabel> m_Controls;
 
private Q_SLOTS:
  void enterEvent(QEnterEvent* event) override;
  void leaveEvent(QEvent* event) override;
 
private:
  bool m_HighlightingActivated = true;
  mitk::DataNode::Pointer m_SegmentationNode;
  unsigned long m_SegmentationNodeDataMTime;
  mitk::ITKEventObserverGuard m_SegmentationObserver;
  mitk::LabelHighlightGuard m_LabelHighlightGuard;
  QString m_EmptyInfo;
};
 
#endif