enum DndTargetType {
	DND_TARGET_TYPE_UTF8_STRING,
	DND_TARGET_TYPE_TEXT_PLAIN,
	DND_TARGET_TYPE_STRING,
	DND_TYPE_TEXT_VCARD,
};

static GtkTargetEntry drop_types[] = {
//	{ "text/plain", 0, DND_TARGET_TYPE_TEXT_PLAIN},
	{ "STRING", 0, DND_TARGET_TYPE_STRING},
};

#define num_drop_types (sizeof (drop_types) / sizeof (drop_types[0]))





gtk_drag_dest_set (priv->summary, GTK_DEST_DEFAULT_DROP,  drop_types, num_drop_types, GDK_ACTION_COPY );