+namespace {
+ // Disable the 'Floatable' feature, i.e., the possibility to drag the
+ // dock widget out of the main window. This works around problems like
+ // https://bugs.kde.org/show_bug.cgi?id=288629
+ // https://bugs.kde.org/show_bug.cgi?id=322299
+ const QDockWidget::DockWidgetFeatures DefaultDockWidgetFeatures = QDockWidget::DockWidgetMovable | QDockWidget::DockWidgetClosable;
+}
+