added some more timeline functions

app/node/graph.h

@@ -49,14 +49,26 @@ public:
    * @brief Adds a node to this graph and all nodes connected to its inputs
    *
    * Adds the Node to the graph and runs through its inputs adding all of its dependencies (and all of their
-   * dependencies and so forth).
+   * dependencies and so forth). The graph takes ownershi of all Nodes added through this process.
    */
   void AddNodeWithDependencies(Node* node);
 
   /**
-   * @brief Removes a Node from the graph BUT doesn't destroy it. Ownership is returned to the caller.
+   * @brief Removes a Node from the graph BUT doesn't destroy it. Ownership is passed to `new_parent`.
    */
-  void TakeNode(Node* node);
+  void TakeNode(Node* node, QObject* new_parent = nullptr);
+
+  /**
+   * @brief Removes a Node from the graph and its dependencies (ONLY if the dependencies are exclusive to this Node).
+   *
+   * Returns a list of all Nodes that were removed in this process (except the Node used as a parameter)
+   *
+   * Only dependencies that are exclusively dependencies of this Node are removed. If a dependency Node is also
+   * used as the dependency of another Node, it is not removed and not returned in the list.
+   *
+   * Ownership of all Nodes is passed to `new_parent`.
+   */
+  QList<Node*> TakeNodeWithItsDependencies(Node* node, QObject* new_parent = nullptr);
 
   /**
    * @brief Retrieve a complete list of the nodes belonging to this graph