+ /** @brief Updates @param item's pan and zoom effect after resize or cut.
+ * @param item clip whose pan and zoom effect should be updated
+ * @param cutPos (optional) if clip was cut, cut position relative to the original's clip position */
+ void updatePanZoom(ClipItem *item, GenTime cutPos = GenTime());
+
+ /** @brief Update Tracknames to fit again after track was added/deleted.
+ * @param track Number of track which was added/deleted
+ * @param added true = track added, false = track deleted
+ *
+ * The default track name consists of type + number. If we add/delete a track the number has to be adjusted
+ * if the name is still the default one. */
+ void updateTrackNames(int track, bool added);
+