message: The class is a QWidget, need to set window flag
  Otherwise it can show up within a parent widget, not usually desirable.
diff: @@ -79,6 +79,7 @@ SymmetryWidget::SymmetryWidget(QWidget* parent_)
  m_subgroupsTreeModel(new QStandardItemModel(this)), m_sops(NULL),
  m_sg(NULL), m_sopsl(0), m_sgl(0), m_radius(0.0)
  {
  + setWindowFlags(Qt::Dialog);
  m_ui->setupUi(this);
  m_ui->operationsTable->setModel(m_operationsTableModel);
  m_ui->operationsTable->setItemDelegateForColumn(
  