+ //! Tell the view that this ChatLine has cached data
+ /** ChatLines cache some layout data that should be cleared as soon as it's no
+ * longer visible. A ChatLine caching data registers itself with this method to
+ * tell the view about it. The view will call ChatLine::clearCache() when
+ * appropriate.
+ * \param line The ChatLine having cached data
+ */
+ void setHasCache(ChatLine *line, bool hasCache = true);