static GVariant *
ip4_address_labels_get (NMSetting    *setting,
                        NMConnection *connection,
                        const char   *property)
{
	NMSettingIPConfig *s_ip = NM_SETTING_IP_CONFIG (setting);
	gboolean have_labels = FALSE;
	GPtrArray *labels;
	GVariant *ret;
	int num_addrs, i;

	num_addrs = nm_setting_ip_config_get_num_addresses (s_ip);
	for (i = 0; i < num_addrs; i++) {
		NMIPAddress *addr = nm_setting_ip_config_get_address (s_ip, i);
		GVariant *label = nm_ip_address_get_attribute (addr, "label");

		if (label) {
			have_labels = TRUE;
			break;
		}
	}
	if (!have_labels)
		return NULL;

	labels = g_ptr_array_sized_new (num_addrs);
	for (i = 0; i < num_addrs; i++) {
		NMIPAddress *addr = nm_setting_ip_config_get_address (s_ip, i);
		GVariant *label = nm_ip_address_get_attribute (addr, "label");

		g_ptr_array_add (labels, (char *) (label ? g_variant_get_string (label, NULL) : ""));
	}

	ret = g_variant_new_strv ((const char * const *) labels->pdata, labels->len);
	g_ptr_array_unref (labels);

	return ret;
}
static void
populate_ui (CEPageIP4 *self)
{
	CEPageIP4Private *priv = CE_PAGE_IP4_GET_PRIVATE (self);
	NMSettingIPConfig *setting = priv->setting;
	GtkListStore *store;
	GtkTreeIter model_iter;
	int method = IP4_METHOD_AUTO;
	GString *string = NULL;
	SetMethodInfo info;
	const char *str_method;
	int i;

	/* Method */
	gtk_combo_box_set_active (priv->method, 0);
	str_method = nm_setting_ip_config_get_method (setting);
	if (str_method) {
		if (!strcmp (str_method, NM_SETTING_IP4_CONFIG_METHOD_LINK_LOCAL))
			method = IP4_METHOD_LINK_LOCAL;
		else if (!strcmp (str_method, NM_SETTING_IP4_CONFIG_METHOD_MANUAL))
			method = IP4_METHOD_MANUAL;
		else if (!strcmp (str_method, NM_SETTING_IP4_CONFIG_METHOD_SHARED))
			method = IP4_METHOD_SHARED;
		else if (!strcmp (str_method, NM_SETTING_IP4_CONFIG_METHOD_DISABLED))
			method = IP4_METHOD_DISABLED;
	}

	if (method == IP4_METHOD_AUTO && nm_setting_ip_config_get_ignore_auto_dns (setting))
		method = IP4_METHOD_AUTO_ADDRESSES;

	info.method = method;
	info.combo = priv->method;
	gtk_tree_model_foreach (GTK_TREE_MODEL (priv->method_store), set_method, &info);

	/* Addresses */
	store = gtk_list_store_new (3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING);
	for (i = 0; i < nm_setting_ip_config_get_num_addresses (setting); i++) {
		NMIPAddress *addr = nm_setting_ip_config_get_address (setting, i);
		char buf[32];

		if (!addr) {
			g_warning ("%s: empty IP4 Address structure!", __func__);
			continue;
		}

		snprintf (buf, sizeof (buf), "%u", nm_ip_address_get_prefix (addr));

		gtk_list_store_append (store, &model_iter);
		gtk_list_store_set (store, &model_iter,
		                    COL_ADDRESS, nm_ip_address_get_address (addr),
		                    COL_PREFIX, buf,
		                    /* FIXME */
		                    COL_GATEWAY, i == 0 ? nm_setting_ip_config_get_gateway (setting) : NULL,
		                    -1);
	}

	gtk_tree_view_set_model (priv->addr_list, GTK_TREE_MODEL (store));
	g_signal_connect_swapped (store, "row-inserted", G_CALLBACK (ce_page_changed), self);
	g_signal_connect_swapped (store, "row-deleted", G_CALLBACK (ce_page_changed), self);
	g_object_unref (store);

	/* DNS servers */
	string = g_string_new ("");
	for (i = 0; i < nm_setting_ip_config_get_num_dns (setting); i++) {
		const char *dns;

		dns = nm_setting_ip_config_get_dns (setting, i);
		if (!dns)
			continue;

		if (string->len)
			g_string_append (string, ", ");
		g_string_append (string, dns);
	}
	gtk_entry_set_text (priv->dns_servers, string->str);
	g_string_free (string, TRUE);

	/* DNS searches */
	string = g_string_new ("");
	for (i = 0; i < nm_setting_ip_config_get_num_dns_searches (setting); i++) {
		if (string->len)
			g_string_append (string, ", ");
		g_string_append (string, nm_setting_ip_config_get_dns_search (setting, i));
	}
	gtk_entry_set_text (priv->dns_searches, string->str);
	g_string_free (string, TRUE);

	if ((method == IP4_METHOD_AUTO) || (method == IP4_METHOD_AUTO_ADDRESSES)) {
		if (nm_setting_ip4_config_get_dhcp_client_id (NM_SETTING_IP4_CONFIG (setting))) {
			gtk_entry_set_text (priv->dhcp_client_id,
			                    nm_setting_ip4_config_get_dhcp_client_id (NM_SETTING_IP4_CONFIG (setting)));
		}
	}

	/* IPv4 required */
	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->ip4_required),
	                              !nm_setting_ip_config_get_may_fail (setting));
}