some timeline work

app/node/graph.h

@@ -53,6 +53,11 @@ public:
    */
   void AddNodeWithDependencies(Node* node);
 
+  /**
+   * @brief Removes a Node from the graph and destroys it
+   */
+  void RemoveNode(Node* node);
+
   /**
    * @brief Retrieve a complete list of the nodes belonging to this graph
    */

app/node/output/timeline/timeline.h

@@ -55,6 +55,11 @@ private:
    */
   void ConnectBlockInternal(Block* block);
 
+  /**
+   * @brief Disconnects t
+   */
+  void RemoveBlockInternal();
+
   /**
    * @brief Adds a Block to the parent graph so it can be connected to other Nodes
    *
@@ -107,6 +112,26 @@ private slots:
    * the Sequence, a GapBlock is inserted to compensate.
    */
   void PlaceBlock(Block* block, rational start);
+
+  /**
+   * @brief Removes a Block and places a Gap in its place
+   */
+  void RemoveBlock(Block* block);
+
+  /**
+   * @brief Removes a Block pushing all subsequent Blocks earlier to take up the space
+   */
+  void RippleRemoveBlock(Block* block);
+
+  /**
+   * @brief Removes the Block at the given index pushing all subsequent Blocks earlier to take up the space
+   */
+  void RippleRemoveBlockAtIndex(int index);
+
+  /**
+   * @brief Removes the last Block of the Sequence at the given index
+   */
+  void RippleRemoveLast();
 };
 
 #endif // TIMELINEOUTPUT_H