gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(dd->filter_combo), renderer, TRUE);
gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(dd->filter_combo), renderer,
"text", FILTER_COLUMN_NAME, NULL);
gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(dd->filter_combo), renderer, TRUE);
gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(dd->filter_combo), renderer,
"text", FILTER_COLUMN_NAME, NULL);
gtk_box_pack_start(GTK_BOX(hbox2), dd->filter_combo, TRUE, TRUE, 0);
gtk_widget_show(dd->filter_combo);
gtk_box_pack_start(GTK_BOX(hbox2), dd->filter_combo, TRUE, TRUE, 0);
gtk_widget_show(dd->filter_combo);