src/controller/view_utils/signal_reduce_utils.rs

@@ -70,6 +70,8 @@ pub fn get_cell_data(list_item: &Object) -> (Frequency, Label) {
         .and_downcast::<Label>()
         .expect("The child has to be a `Label`.");
 
+    cell_label.set_selectable(true);
+
     (cell_value, cell_label)
 }