diff --git a/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationTaskListWidget.cpp b/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationTaskListWidget.cpp
index 0ea7159423..43ce808a45 100644
--- a/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationTaskListWidget.cpp
+++ b/Plugins/org.mitk.gui.qt.flow.segmentation/src/internal/QmitkSegmentationTaskListWidget.cpp
@@ -1,862 +1,865 @@
 /*============================================================================
 
 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.
 
 ============================================================================*/
 
 #include "QmitkSegmentationTaskListWidget.h"
 #include "org_mitk_gui_qt_flow_segmentation_Activator.h"
 
 #include <mitkCoreServices.h>
 #include <mitkIPreferencesService.h>
 #include <mitkIPreferences.h>
 
 #include <mitkIDataStorageService.h>
 #include <mitkIOUtil.h>
 #include <mitkLabelSetIOHelper.h>
 #include <mitkLabelSetImageHelper.h>
 #include <mitkNodePredicateDataType.h>
 #include <mitkNodePredicateFunction.h>
 #include <mitkRenderingManager.h>
 #include <mitkSegmentationHelper.h>
 
 #include <QmitkStaticDynamicSegmentationDialog.h>
 #include <QmitkStyleManager.h>
 
 #include <ui_QmitkSegmentationTaskListWidget.h>
 
 #include <QFileSystemWatcher>
 #include <QMessageBox>
 #include <QShortcut>
 
 #include <filesystem>
 
 namespace
 {
   mitk::IPreferences* GetSegmentationPreferences()
   {
     return mitk::CoreServices::GetPreferencesService()->GetSystemPreferences()->Node("/org.mitk.views.segmentation");
   }
 
   mitk::DataStorage* GetDataStorage()
   {
     auto* pluginContext = org_mitk_gui_qt_flow_segmentation_Activator::GetContext();
     auto dataStorageServiceReference = pluginContext->getServiceReference<mitk::IDataStorageService>();
 
     if (dataStorageServiceReference)
     {
       auto* dataStorageService = pluginContext->getService<mitk::IDataStorageService>(dataStorageServiceReference);
 
       if (dataStorageService != nullptr)
       {
         auto dataStorageReference = dataStorageService->GetDataStorage();
         pluginContext->ungetService(dataStorageServiceReference);
 
         return dataStorageReference->GetDataStorage();
       }
     }
 
     return nullptr;
   }
 
   std::filesystem::path GetInputLocation(const mitk::BaseData* data)
   {
     std::string result;
 
     if (data != nullptr)
       data->GetPropertyList()->GetStringProperty("MITK.IO.reader.inputlocation", result);
 
     return result;
   }
 
   QString ColorString(const QString& string, const QColor& color, const QColor& backgroundColor = QColor::Invalid)
   {
     if (!color.isValid() && !backgroundColor.isValid())
       return string;
 
     auto result = QStringLiteral("<span style=\"");
     QStringList strings;
 
     if (color.isValid())
       strings << QString("color: %1;").arg(color.name());
 
     if (backgroundColor.isValid())
       strings << QString("background-color: %1;").arg(backgroundColor.name());
 
     result += strings.join(' ') + QString("\">%1</span>").arg(string);
 
     return result;
   }
 }
 
 /* This constructor has three objectives:
  *   1. Do widget initialization that cannot be done in the .ui file
  *   2. Connect signals and slots
  *   3. Explicitly trigger a reset to a valid initial widget state
  */
 QmitkSegmentationTaskListWidget::QmitkSegmentationTaskListWidget(QWidget* parent)
   : QWidget(parent),
     m_Ui(new Ui::QmitkSegmentationTaskListWidget),
     m_FileSystemWatcher(new QFileSystemWatcher(this)),
     m_UnsavedChanges(false)
 {
   m_Ui->setupUi(this);
 
   m_Ui->selectionWidget->SetDataStorage(GetDataStorage());
   m_Ui->selectionWidget->SetSelectionIsOptional(true);
   m_Ui->selectionWidget->SetEmptyInfo(QStringLiteral("Select a segmentation task list"));
   m_Ui->selectionWidget->SetAutoSelectNewNodes(true);
   m_Ui->selectionWidget->SetNodePredicate(mitk::TNodePredicateDataType<mitk::SegmentationTaskList>::New());
 
   m_Ui->progressBar->setStyleSheet(QString("QProgressBar::chunk { background-color: %1; }").arg(QmitkStyleManager::GetIconAccentColor()));
 
   using Self = QmitkSegmentationTaskListWidget;
 
   connect(m_Ui->selectionWidget, &QmitkSingleNodeSelectionWidget::CurrentSelectionChanged, this, &Self::OnSelectionChanged);
   connect(m_Ui->previousButton, &QToolButton::clicked, this, &Self::OnPreviousButtonClicked);
   connect(m_Ui->nextButton, &QToolButton::clicked, this, &Self::OnNextButtonClicked);
   connect(m_Ui->loadButton, &QPushButton::clicked, this, &Self::OnLoadButtonClicked);
 
   connect(m_FileSystemWatcher, &QFileSystemWatcher::directoryChanged, this, &Self::OnResultDirectoryChanged);
 
   auto* prevShortcut = new QShortcut(QKeySequence(Qt::CTRL | Qt::ALT | Qt::Key::Key_P), this);
   connect(prevShortcut, &QShortcut::activated, this, &Self::OnPreviousTaskShortcutActivated);
 
   auto* prevUndoneShortcut = new QShortcut(QKeySequence(Qt::CTRL | Qt::SHIFT | Qt::Key::Key_P), this);
   connect(prevUndoneShortcut, &QShortcut::activated, this, &Self::OnPreviousTaskShortcutActivated);
 
   auto* nextShortcut = new QShortcut(QKeySequence(Qt::CTRL | Qt::ALT | Qt::Key::Key_N), this);
   connect(nextShortcut, &QShortcut::activated, this, &Self::OnNextTaskShortcutActivated);
 
   auto* nextUndoneShortcut = new QShortcut(QKeySequence(Qt::CTRL | Qt::SHIFT | Qt::Key::Key_N), this);
   connect(nextUndoneShortcut, &QShortcut::activated, this, &Self::OnNextTaskShortcutActivated);
 
   auto* loadShortcut = new QShortcut(QKeySequence(Qt::CTRL | Qt::ALT | Qt::Key::Key_L), this);
   connect(loadShortcut, &QShortcut::activated, this, &Self::OnLoadTaskShortcutActivated);
 
   this->OnSelectionChanged(m_Ui->selectionWidget->GetSelectedNodes());
 }
 
 QmitkSegmentationTaskListWidget::~QmitkSegmentationTaskListWidget()
 {
 }
 
 void QmitkSegmentationTaskListWidget::OnUnsavedChangesSaved()
 {
   if (m_UnsavedChanges)
   {
     m_UnsavedChanges = false;
 
     if (this->ActiveTaskIsShown())
       this->UpdateDetailsLabel();
   }
 }
 
 /* Make sure that the widget transitions into a valid state whenever the
  * selection changes.
  */
 void QmitkSegmentationTaskListWidget::OnSelectionChanged(const QmitkSingleNodeSelectionWidget::NodeList& nodes)
 {
   this->UnloadTasks();
   this->ResetControls();
 
   if (!nodes.empty())
   {
     m_TaskListNode = nodes.front();
     auto taskList = dynamic_cast<mitk::SegmentationTaskList*>(m_TaskListNode->GetData());
 
     if (taskList != nullptr)
     {
       this->OnTaskListChanged(taskList);
       return;
     }
   }
 
   this->SetTaskList(nullptr);
   m_TaskListNode = nullptr;
 }
 
 /* Reset all controls to a default state as a common basis for further
  * adjustments.
  */
 void QmitkSegmentationTaskListWidget::ResetControls()
 {
   m_Ui->progressBar->setEnabled(false);
   m_Ui->progressBar->setFormat("");
   m_Ui->progressBar->setValue(0);
   m_Ui->progressBar->setMaximum(1);
 
   m_Ui->previousButton->setEnabled(false);
   m_Ui->nextButton->setEnabled(false);
 
   this->UpdateLoadButton();
   this->UpdateDetailsLabel();
 }
 
 /* If the segmentation task changed, reset all member variables to expected
  * default values and reset the file system watcher.
  */
 void QmitkSegmentationTaskListWidget::SetTaskList(mitk::SegmentationTaskList* taskList)
 {
   if (m_TaskList != taskList)
   {
     m_TaskList = taskList;
 
     if (taskList != nullptr)
     {
       this->SetCurrentTaskIndex(0);
     }
     else
     {
       this->SetCurrentTaskIndex(std::nullopt);
     }
 
     this->ResetFileSystemWatcher();
   }
 }
 
 void QmitkSegmentationTaskListWidget::ResetFileSystemWatcher()
 {
   auto paths = m_FileSystemWatcher->directories();
 
   if (!paths.empty())
     m_FileSystemWatcher->removePaths(paths);
 
   if (m_TaskList.IsNotNull())
   {
     for (const auto& task : *m_TaskList)
     {
       auto resultPath = m_TaskList->GetAbsolutePath(task.GetResult()).remove_filename();
 
       if (!std::filesystem::exists(resultPath))
       {
         try
         {
           std::filesystem::create_directories(resultPath);
         }
         catch (const std::filesystem::filesystem_error& e)
         {
           MITK_ERROR << e.what();
         }
       }
 
       if (std::filesystem::exists(resultPath))
         m_FileSystemWatcher->addPath(QString::fromStdString(resultPath.string()));
     }
   }
 }
 
 void QmitkSegmentationTaskListWidget::OnResultDirectoryChanged(const QString&)
 {
   // TODO: If a segmentation was modified ("Unsaved changes"), saved ("Done"), and then the file is deleted, the status should be "Unsaved changes" instead of "Not done".
   this->UpdateProgressBar();
   this->UpdateDetailsLabel();
 }
 
 void QmitkSegmentationTaskListWidget::UpdateProgressBar()
 {
   int progress = 0;
 
   for (size_t i = 0; i < m_TaskList->GetNumberOfTasks(); ++i)
   {
     if (m_TaskList->IsDone(i))
       ++progress;
   }
 
   m_Ui->progressBar->setValue(progress);
 }
 
 /* Provided that a valid segmentation task list is currently selected and the
  * widget is in its default state, update all controls accordingly.
- * Then, load the first unfinished task, if any.
+ * TODO: Then, load the first unfinished task, if any.
  */
 void QmitkSegmentationTaskListWidget::OnTaskListChanged(mitk::SegmentationTaskList* taskList)
 {
   this->SetTaskList(taskList);
 
   const auto numTasks = taskList->GetNumberOfTasks();
 
   m_Ui->progressBar->setMaximum(numTasks);
   m_Ui->progressBar->setFormat(QStringLiteral("%v/%m Task(s) done"));
   m_Ui->progressBar->setEnabled(true);
 
   this->UpdateProgressBar();
 
   m_Ui->loadButton->setEnabled(true);
 
   if (numTasks > 1)
     m_Ui->nextButton->setEnabled(true);
 
-  this->LoadNextUnfinishedTask();
+  // TODO: This line should be enough but it is happening too early even before
+  // the RenderingManager has any registered render windows, resulting in mismatching
+  // renderer and data geometries.
+  // this->LoadNextUnfinishedTask();
 }
 
 /* If possible, change the currently displayed task to the previous task.
  * Enable/disable navigation buttons according to the task's position.
  */
 void QmitkSegmentationTaskListWidget::OnPreviousButtonClicked()
 {
   auto current = m_CurrentTaskIndex.value();
 
   // If the shift modifier key is pressed, look for the previous undone task.
   if (QApplication::queryKeyboardModifiers().testFlag(Qt::ShiftModifier))
   {
     if (current > 0)
     {
       for (decltype(current) i = current; i > 0; --i)
       {
         if (!m_TaskList->IsDone(i - 1))
         {
           this->SetCurrentTaskIndex(i - 1);
           break;
         }
       }
     }
   }
   else
   {
     if (current != 0)
       this->SetCurrentTaskIndex(current - 1);
   }
 
   this->UpdateNavigationButtons();
 }
 
 /* If possible, change the currently displayed task to the next task.
  * Enable/disable navigation buttons according to the task's position.
  */
 void QmitkSegmentationTaskListWidget::OnNextButtonClicked()
 {
   const auto numTasks = m_TaskList->GetNumberOfTasks();
   auto current = m_CurrentTaskIndex.value();
 
   // If the shift modifier key is pressed, look for the next undone task.
   if (QApplication::queryKeyboardModifiers().testFlag(Qt::ShiftModifier))
   {
     for (std::remove_const_t<decltype(numTasks)> i = current + 1; i < numTasks; ++i)
     {
       if (!m_TaskList->IsDone(i))
       {
         this->SetCurrentTaskIndex(i);
         break;
       }
     }
   }
   else
   {
     if (current < numTasks - 1)
       this->SetCurrentTaskIndex(current + 1);
   }
 
   this->UpdateNavigationButtons();
 }
 
 void QmitkSegmentationTaskListWidget::UpdateNavigationButtons()
 {
   if (m_TaskList.IsNull() || m_TaskList->GetNumberOfTasks() == 0)
   {
     m_Ui->previousButton->setEnabled(false);
     m_Ui->nextButton->setEnabled(false);
 
     return;
   }
 
   const auto maxIndex = m_TaskList->GetNumberOfTasks() - 1;
   const auto current = m_CurrentTaskIndex.value();
 
   m_Ui->previousButton->setEnabled(current != 0);
   m_Ui->nextButton->setEnabled(current != maxIndex);
 }
 
 /* Update affected controls when the currently displayed task changed.
  */
 void QmitkSegmentationTaskListWidget::OnCurrentTaskChanged()
 {
   this->UpdateLoadButton();
   this->UpdateNavigationButtons();
   this->UpdateDetailsLabel();
 }
 
 /* Update the load button according to the currently displayed task.
  */
 void QmitkSegmentationTaskListWidget::UpdateLoadButton()
 {
   auto text = !this->ActiveTaskIsShown()
     ? QStringLiteral("Load task")
     : QStringLiteral("Task");
 
   if (m_CurrentTaskIndex.has_value())
   {
     const auto current = m_CurrentTaskIndex.value();
 
     if (m_TaskList.IsNotNull())
     {
       text += QString(" %1/%2").arg(current + 1).arg(m_TaskList->GetNumberOfTasks());
 
       if (m_TaskList->HasName(current))
         text += QStringLiteral(":\n") + QString::fromStdString(m_TaskList->GetName(current));
     }
 
     m_Ui->loadButton->setDisabled(this->ActiveTaskIsShown());
   }
   else
   {
     m_Ui->loadButton->setEnabled(false);
   }
 
   m_Ui->loadButton->setText(text);
 }
 
 /* Update the details label according to the currently display task.
  * The text is composed of the status of the task and a variable number
  * of text blocks according to the optional values provided by the task.
  */
 void QmitkSegmentationTaskListWidget::UpdateDetailsLabel()
 {
   if (!m_CurrentTaskIndex.has_value())
   {
     m_Ui->detailsLabel->clear();
     return;
   }
 
   const auto current = m_CurrentTaskIndex.value();
   bool isDone = m_TaskList->IsDone(current);
 
   auto details = QString("<p><b>Status: %1</b> / <b>").arg(this->ActiveTaskIsShown()
     ? ColorString("Active", Qt::white, QColor(Qt::green).darker())
     : ColorString("Inactive", Qt::white, QColor(Qt::red).darker()));
 
   if (m_UnsavedChanges && this->ActiveTaskIsShown())
   {
     details += QString("%1</b></p>").arg(ColorString("Unsaved changes", Qt::white, QColor(Qt::red).darker()));
   }
   else
   {
     details += QString("%1</b></p>").arg(isDone
       ? ColorString("Done", Qt::white, QColor(Qt::green).darker())
       : ColorString("Not done", Qt::white, QColor(Qt::red).darker()));
   }
 
   if (m_TaskList->HasDescription(current))
     details += QString("<p><b>Description:</b> %1</p>").arg(QString::fromStdString(m_TaskList->GetDescription(current)));
 
   QStringList stringList;
 
   if (m_TaskList->HasImage(current))
     stringList << QString::fromStdString("<b>Image:</b> " + m_TaskList->GetImage(current).string());
 
   if (m_TaskList->HasSegmentation(current))
     stringList << QString::fromStdString("<b>Segmentation:</b> " + m_TaskList->GetSegmentation(current).string());
 
   if (m_TaskList->HasLabelName(current))
     stringList << QString::fromStdString("<b>Label name:</b> " + m_TaskList->GetLabelName(current));
 
   if (m_TaskList->HasLabelNameSuggestions(current))
     stringList << QString::fromStdString("<b>Label name suggestions:</b> " + m_TaskList->GetLabelNameSuggestions(current).string());
 
   if (m_TaskList->HasPreset(current))
     stringList << QString::fromStdString("<b>Label set preset:</b> " + m_TaskList->GetPreset(current).string());
 
   if (m_TaskList->HasDynamic(current))
     stringList << QString("<b>Segmentation type:</b> %1").arg(m_TaskList->GetDynamic(current) ? "Dynamic" : "Static");
 
   if (!stringList.empty())
     details += QString("<p>%1</p>").arg(stringList.join(QStringLiteral("<br>")));
 
   m_Ui->detailsLabel->setText(details);
 }
 
 /* Load/activate the currently displayed task. Unload all data nodes from
  * previously active tasks first, but spare and reuse the image if possible.
  */
 void QmitkSegmentationTaskListWidget::OnLoadButtonClicked()
 {
   if (!this->HandleUnsavedChanges() || m_UnsavedChanges)
     return;
 
   m_Ui->loadButton->setEnabled(false);
 
   QApplication::setOverrideCursor(Qt::BusyCursor);
   this->LoadTask(this->GetImageDataNode(m_CurrentTaskIndex.value()));
   QApplication::restoreOverrideCursor();
 }
 
 /* If present, return the image data node for the task with the specified
  * index. Otherwise, return nullptr.
  */
 mitk::DataNode* QmitkSegmentationTaskListWidget::GetImageDataNode(size_t index) const
 {
   const auto imagePath = m_TaskList->GetAbsolutePath(m_TaskList->GetImage(index));
 
   auto imageNodes = GetDataStorage()->GetDerivations(m_TaskListNode, mitk::NodePredicateFunction::New([imagePath](const mitk::DataNode* node) {
     return imagePath == GetInputLocation(node->GetData());
   }));
 
   return !imageNodes->empty()
     ? imageNodes->front()
     : nullptr;
 }
 
 /* If present, return the segmentation data node for the task with the
  * specified index. Otherwise, return nullptr.
  */
 mitk::DataNode* QmitkSegmentationTaskListWidget::GetSegmentationDataNode(size_t index) const
 {
   const auto* imageNode = this->GetImageDataNode(index);
 
   if (imageNode != nullptr)
   {
     auto segmentations = GetDataStorage()->GetDerivations(imageNode, mitk::TNodePredicateDataType<mitk::LabelSetImage>::New());
 
     if (!segmentations->empty())
       return segmentations->front();
   }
 
   return nullptr;
 }
 
 /* Unload all task data nodes but spare the passed image data node.
  */
 void QmitkSegmentationTaskListWidget::UnloadTasks(const mitk::DataNode* skip)
 {
   this->UnsubscribeFromActiveSegmentation();
 
   if (m_TaskListNode.IsNotNull())
   {
     mitk::DataStorage::Pointer dataStorage = GetDataStorage();
 
     auto imageNodes = dataStorage->GetDerivations(m_TaskListNode, mitk::TNodePredicateDataType<mitk::Image>::New());
 
     for (auto imageNode : *imageNodes)
     {
       dataStorage->Remove(dataStorage->GetDerivations(imageNode, nullptr, false));
 
       if (imageNode != skip)
         dataStorage->Remove(imageNode);
     }
   }
 
   this->SetActiveTaskIndex(std::nullopt);
 }
 
 void QmitkSegmentationTaskListWidget::LoadNextUnfinishedTask()
 {
   const auto current = m_CurrentTaskIndex.value();
   const auto numTasks = m_TaskList->GetNumberOfTasks();
 
   for (size_t unboundNext = current; unboundNext < current + numTasks; ++unboundNext)
   {
     auto next = unboundNext % numTasks;
 
     if (!m_TaskList->IsDone(next))
     {
       this->SetCurrentTaskIndex(next);
       this->OnLoadButtonClicked();
       break;
     }
   }
 }
 
 /* Load/activate the currently displayed task. The task must specify
  * an image. The segmentation is either created from scratch with an optional
  * name for the first label, possibly based on a label set preset specified by
  * the task, or loaded as specified by the task. If a result file does
  * exist, it is chosen as segmentation instead.
  */
 void QmitkSegmentationTaskListWidget::LoadTask(mitk::DataNode::Pointer imageNode)
 {
   this->UnloadTasks(imageNode);
 
   const auto current = m_CurrentTaskIndex.value();
 
   mitk::Image::Pointer image;
   mitk::LabelSetImage::Pointer segmentation;
 
   try
   {
     if (imageNode.IsNull())
     {
       const auto path = m_TaskList->GetAbsolutePath(m_TaskList->GetImage(current));
       image = mitk::IOUtil::Load<mitk::Image>(path.string());
     }
 
     const auto path = m_TaskList->GetAbsolutePath(m_TaskList->GetResult(current));
     const auto interimPath = m_TaskList->GetInterimPath(path);
 
     if (std::filesystem::exists(path))
     {
       segmentation = mitk::IOUtil::Load<mitk::LabelSetImage>(path.string());
     }
     else if (std::filesystem::exists(interimPath))
     {
       segmentation = mitk::IOUtil::Load<mitk::LabelSetImage>(interimPath.string());
     }
     else if (m_TaskList->HasSegmentation(current))
     {
       const auto path = m_TaskList->GetAbsolutePath(m_TaskList->GetSegmentation(current));
       segmentation = mitk::IOUtil::Load<mitk::LabelSetImage>(path.string());
     }
   }
   catch (const mitk::Exception&)
   {
     return;
   }
 
   auto dataStorage = GetDataStorage();
 
   if (imageNode.IsNull())
   {
     imageNode = mitk::DataNode::New();
     imageNode->SetData(image);
 
     dataStorage->Add(imageNode, m_TaskListNode);
 
     mitk::RenderingManager::GetInstance()->InitializeViews(image->GetTimeGeometry());
   }
   else
   {
     image = static_cast<mitk::Image*>(imageNode->GetData());
   }
 
   auto name = "Task " + std::to_string(current + 1);
   imageNode->SetName(name);
 
   if (segmentation.IsNull())
   {
     mitk::Image::ConstPointer templateImage = image;
 
     if (templateImage->GetDimension() > 3)
     {
       if (m_TaskList->HasDynamic(current))
       {
         if (!m_TaskList->GetDynamic(current))
           templateImage = mitk::SegmentationHelper::GetStaticSegmentationTemplate(image);
       }
       else
       {
         QmitkStaticDynamicSegmentationDialog dialog(this);
         dialog.SetReferenceImage(templateImage);
         dialog.exec();
 
         templateImage = dialog.GetSegmentationTemplate();
       }
     }
 
     auto segmentationNode = mitk::LabelSetImageHelper::CreateNewSegmentationNode(imageNode, templateImage, name);
     segmentation = static_cast<mitk::LabelSetImage*>(segmentationNode->GetData());
 
     if (m_TaskList->HasPreset(current))
     {
       const auto path = m_TaskList->GetAbsolutePath(m_TaskList->GetPreset(current));
       mitk::LabelSetIOHelper::LoadLabelSetImagePreset(path.string(), segmentation);
     }
     else
     {
       auto label = mitk::LabelSetImageHelper::CreateNewLabel(segmentation);
 
       if (m_TaskList->HasLabelName(current))
         label->SetName(m_TaskList->GetLabelName(current));
 
       segmentation->GetActiveLabelSet()->AddLabel(label);
     }
 
     dataStorage->Add(segmentationNode, imageNode);
   }
   else
   {
     auto segmentationNode = mitk::DataNode::New();
     segmentationNode->SetName(name);
     segmentationNode->SetData(segmentation);
 
     dataStorage->Add(segmentationNode, imageNode);
   }
 
   auto prefs = GetSegmentationPreferences();
 
   if (prefs != nullptr)
   {
     if (m_TaskList->HasLabelNameSuggestions(current))
     {
       auto path = m_TaskList->GetAbsolutePath(m_TaskList->GetLabelNameSuggestions(current));
 
       prefs->PutBool("default label naming", false);
       prefs->Put("label suggestions", path.string());
       prefs->PutBool("replace standard suggestions", true);
       prefs->PutBool("suggest once", true);
     }
     else
     {
       prefs->PutBool("default label naming", true);
       prefs->Put("label suggestions", "");
     }
   }
 
   m_UnsavedChanges = false;
 
   this->SetActiveTaskIndex(current);
   this->SubscribeToActiveSegmentation();
 
   this->OnCurrentTaskChanged();
 }
 
 void QmitkSegmentationTaskListWidget::SubscribeToActiveSegmentation()
 {
   if (m_ActiveTaskIndex.has_value())
   {
     auto segmentationNode = this->GetSegmentationDataNode(m_ActiveTaskIndex.value());
 
     if (segmentationNode != nullptr)
     {
       auto segmentation = static_cast<mitk::LabelSetImage*>(segmentationNode->GetData());
 
       auto command = itk::SimpleMemberCommand<QmitkSegmentationTaskListWidget>::New();
       command->SetCallbackFunction(this, &QmitkSegmentationTaskListWidget::OnSegmentationModified);
 
       m_SegmentationModifiedObserverTag = segmentation->AddObserver(itk::ModifiedEvent(), command);
     }
   }
 }
 
 void QmitkSegmentationTaskListWidget::UnsubscribeFromActiveSegmentation()
 {
   if (m_ActiveTaskIndex.has_value() && m_SegmentationModifiedObserverTag.has_value())
   {
     auto segmentationNode = this->GetSegmentationDataNode(m_ActiveTaskIndex.value());
 
     if (segmentationNode != nullptr)
     {
       auto segmentation = static_cast<mitk::LabelSetImage*>(segmentationNode->GetData());
       segmentation->RemoveObserver(m_SegmentationModifiedObserverTag.value());
     }
 
     m_SegmentationModifiedObserverTag.reset();
   }
 }
 
 void QmitkSegmentationTaskListWidget::OnSegmentationModified()
 {
   if (!m_UnsavedChanges)
   {
     m_UnsavedChanges = true;
 
     if (m_ActiveTaskIndex.value() == m_CurrentTaskIndex)
       this->UpdateDetailsLabel();
   }
 }
 
 void QmitkSegmentationTaskListWidget::SetActiveTaskIndex(const std::optional<size_t>& index)
 {
   if (m_ActiveTaskIndex != index)
   {
     m_ActiveTaskIndex = index;
     emit ActiveTaskChanged(m_ActiveTaskIndex);
   }
 }
 
 void QmitkSegmentationTaskListWidget::SetCurrentTaskIndex(const std::optional<size_t>& index)
 {
   if (m_CurrentTaskIndex != index)
   {
     m_CurrentTaskIndex = index;
     this->OnCurrentTaskChanged();
     emit CurrentTaskChanged(m_CurrentTaskIndex);
   }
 }
 
 bool QmitkSegmentationTaskListWidget::ActiveTaskIsShown() const
 {
   return m_ActiveTaskIndex.has_value() && m_CurrentTaskIndex.has_value() && m_ActiveTaskIndex == m_CurrentTaskIndex;
 }
 
 bool QmitkSegmentationTaskListWidget::HandleUnsavedChanges(const QString& alternativeTitle)
 {
   if (m_UnsavedChanges)
   {
     const auto active = m_ActiveTaskIndex.value();
     const auto current = m_CurrentTaskIndex.value();
     QString title;
 
     if (alternativeTitle.isEmpty())
     {
       title = QString("Load task %1").arg(current + 1);
 
       if (m_TaskList->HasName(current))
         title += ": " + QString::fromStdString(m_TaskList->GetName(current));
     }
     else
     {
       title = alternativeTitle;
     }
 
     auto text = QString("The currently active task %1 ").arg(active + 1);
 
     if (m_TaskList->HasName(active))
       text += "(" + QString::fromStdString(m_TaskList->GetName(active)) + ") ";
 
     text += "has unsaved changes.";
 
     auto reply = QMessageBox::question(this, title, text, QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
 
     switch (reply)
     {
     case QMessageBox::Save:
       this->SaveActiveTask(!std::filesystem::exists(m_TaskList->GetResult(active)));
       break;
 
     case QMessageBox::Discard:
       m_UnsavedChanges = false;
       break;
 
     default:
       return false;
     }
   }
 
   return true;
 }
 
 void QmitkSegmentationTaskListWidget::SaveActiveTask(bool saveAsIntermediateResult)
 {
   if (!m_ActiveTaskIndex.has_value())
     return;
 
   QApplication::setOverrideCursor(Qt::BusyCursor);
 
   try
   {
     const auto active = m_ActiveTaskIndex.value();
     m_TaskList->SaveTask(active, this->GetSegmentationDataNode(active)->GetData(), saveAsIntermediateResult);
     this->OnUnsavedChangesSaved();
   }
   catch (const mitk::Exception& e)
   {
     MITK_ERROR << e;
   }
 
   QApplication::restoreOverrideCursor();
 }
 
 bool QmitkSegmentationTaskListWidget::OnPreShutdown()
 {
   return this->HandleUnsavedChanges(QStringLiteral("Application shutdown"));
 }
 
 void QmitkSegmentationTaskListWidget::OnPreviousTaskShortcutActivated()
 {
   m_Ui->previousButton->click();
 }
 
 void QmitkSegmentationTaskListWidget::OnNextTaskShortcutActivated()
 {
   m_Ui->nextButton->click();
 }
 
 void QmitkSegmentationTaskListWidget::OnLoadTaskShortcutActivated()
 {
   m_Ui->loadButton->click();
 }