diff -r 3fea6bc1519b -r 0d42a1ebd954 src/mainwindow.cpp
--- a/src/mainwindow.cpp	Fri Mar 02 22:23:53 2018 +0200
+++ b/src/mainwindow.cpp	Sat Mar 03 15:14:07 2018 +0200
@@ -1104,6 +1104,22 @@
 	m_selections[m_currentDocument]->clear();
 }
 
+void MainWindow::select(const QModelIndex &objectIndex)
+{
+	if (objectIndex.isValid() and objectIndex.model() == m_currentDocument)
+		m_selections[m_currentDocument]->select(objectIndex, QItemSelectionModel::Select);
+}
+
+QItemSelectionModel* MainWindow::currentSelectionModel()
+{
+	return m_selections[m_currentDocument];
+}
+
+void MainWindow::replaceSelection(const QItemSelection& selection)
+{
+	m_selections[m_currentDocument]->select(selection, QItemSelectionModel::ClearAndSelect);
+}
+
 // ---------------------------------------------------------------------------------------------------------------------
 //
 ColorToolbarItem::ColorToolbarItem (LDColor color, QToolButton* toolButton) :