/** Selects all items in the scene rect, and sets ok to false if a group going over several tracks is found in it */
QList<QGraphicsItem *> checkForGroups(const QRectF &rect, bool *ok);
/** Adjust clips under another one when working in overwrite mode */
/** Selects all items in the scene rect, and sets ok to false if a group going over several tracks is found in it */
QList<QGraphicsItem *> checkForGroups(const QRectF &rect, bool *ok);
/** Adjust clips under another one when working in overwrite mode */