+ va_list args;
+ GtkRadioButton *group = NULL;
+ GtkWidget *box, *label;
+
+ box = gtk_hbox_new(TRUE, 10);
+ gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), box);
+ gtk_widget_show(box);
+
+ label = gtk_label_new(name);
+ gtk_box_pack_start(GTK_BOX(box), label, TRUE, TRUE, 0);
+ gtk_widget_show(label);
+
+ va_start(args, name);
+ for (;;) {
+ int enabled;
+ const char *name;
+ GtkWidget *button;
+ void *callback_fn;
+
+ name = va_arg(args, char *);
+ if (!name)
+ break;
+ callback_fn = va_arg(args, void *);
+ enabled = va_arg(args, int);
+
+ button = gtk_radio_button_new_with_label_from_widget(group, name);
+ group = GTK_RADIO_BUTTON(button);
+ gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);
+ gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), enabled);
+ g_signal_connect(button, "toggled", G_CALLBACK(callback_fn), NULL);
+ gtk_widget_show(button);
+ }
+ va_end(args);
+}
+
+static void set_meter(GtkWidget *w, gpointer data)
+{
+ if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w)))
+ output_units.length = METERS;