/** move transition, startPos = (old start, old end), endPos = (new start, new end) */
void moveTransition(const ItemInfo start, const ItemInfo end, bool m_refresh);
void resizeClip(const ItemInfo start, const ItemInfo end, bool dontWorry = false);
/** move transition, startPos = (old start, old end), endPos = (new start, new end) */
void moveTransition(const ItemInfo start, const ItemInfo end, bool m_refresh);
void resizeClip(const ItemInfo start, const ItemInfo end, bool dontWorry = false);