- * @param check (optional, default = false) Whether to check for collisions */
- void prepareResizeClipStart(AbstractClipItem *item, ItemInfo oldInfo, int pos, bool check = false);
+ * @param check (optional, default = false) Whether to check for collisions
+ * @param command (optional) Will be used as parent command (for undo history) */
+ void prepareResizeClipStart(AbstractClipItem *item, ItemInfo oldInfo, int pos, bool check = false, QUndoCommand *command = NULL);