I missed this in the initial conversion.
dialog = psppire_val_labs_dialog_new (var);
gtk_window_set_transient_for (GTK_WINDOW (dialog), parent_window);
+ gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
gtk_widget_show (GTK_WIDGET (dialog));
labs = (psppire_dialog_run (PSPPIRE_DIALOG (dialog)) == GTK_RESPONSE_OK
dialog = psppire_var_type_dialog_new (format);
gtk_window_set_transient_for (GTK_WINDOW (dialog), parent_window);
+ gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
gtk_widget_show (GTK_WIDGET (dialog));
if (psppire_dialog_run (PSPPIRE_DIALOG (dialog)) == GTK_RESPONSE_OK)