+ GtkTreeIter src_iter;
+ gboolean ok;
+ gint i;
+ const gint n_cols = gtk_tree_model_get_n_columns (GTK_TREE_MODEL (src));
+ GType *types = g_malloc (sizeof (*types) * n_cols);
+
+ int row = 0;
+ GtkListStore *dest;
+
+ for (i = 0 ; i < n_cols; ++i )
+ types[i] = gtk_tree_model_get_column_type (GTK_TREE_MODEL (src), i);
+
+ dest = gtk_list_store_newv (n_cols, types);
+
+ for (ok = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (src),
+ &src_iter);
+ ok;
+ ok = gtk_tree_model_iter_next (GTK_TREE_MODEL (src), &src_iter))