+static void
+on_type_toggled (GtkToggleButton *button, gpointer data)
+{
+ struct compute_dialog *cd = data;
+
+ GtkWidget *entry =
+ get_widget_assert (cd->xml, "type-and-label-width");
+
+ if ( gtk_toggle_button_get_active (button))
+ {
+ gtk_widget_set_sensitive (entry, TRUE);
+ gtk_widget_grab_focus (entry);
+ }
+ else
+ {
+ gtk_widget_set_sensitive (entry, FALSE);
+ }
+}