+/* A (*GtkTreeCellDataFunc) function.
+ This function expects TREEMODEL to hold G_TYPE_BOXED, which is a pointer to a variable.
+ It renders the name of the variable into CELL.
+*/
+void
+XXX_cell_var_name (GtkTreeViewColumn *tree_column,
+ GtkCellRenderer *cell,
+ GtkTreeModel *treemodel,
+ GtkTreeIter *iter,
+ gpointer data)
+{
+ const struct variable *var;
+ GValue value = {0};
+
+ GtkTreePath *path = gtk_tree_model_get_path (treemodel, iter);
+
+ gtk_tree_model_get_value (treemodel, iter, 0, &value);
+
+ gtk_tree_path_free (path);
+
+ var = g_value_get_boxed (&value);