+ void slotTransitionItemSelected(Transition*, bool);
+ void slotTransitionChanged(bool reinit = true);
+ void slotUpdateEffectParams(const QDomElement&, const QDomElement&);
+
+private slots:
+ void slotTransitionTrackChanged();
+
+signals:
+ void transitionUpdated(Transition *, QDomElement);
+ void transitionTrackUpdated(Transition *, int);
+ void transferParamDesc(const QDomElement&, int , int);
+ void seekTimeline(int);