node: set ignore node when positioning and shifting recursively

app/node/node.cpp

@@ -2294,7 +2294,7 @@ void NodeSetPositionAndShiftSurroundingsCommand::redo()
 
     // Start moving other nodes
     foreach (Node* surrounding, node_->parent()->nodes()) {
-      if (bounding_rect.contains(surrounding->GetPosition()) && surrounding != node_) {
+      if (bounding_rect.contains(surrounding->GetPosition()) && surrounding != node_ && surrounding != ignore_node_) {
         QPointF new_pos = surrounding->GetPosition();
 
         qreal move_rate = 0.50;
@@ -2306,6 +2306,7 @@ void NodeSetPositionAndShiftSurroundingsCommand::redo()
         new_pos.setY(new_pos.y() + move_rate);
 
         auto sur_command = new NodeSetPositionAndShiftSurroundingsCommand(surrounding, new_pos, true);
+        sur_command->SetIgnoreNode(node_);
         sur_command->redo();
         commands_.append(sur_command);
       }

app/node/node.h

@@ -1351,7 +1351,8 @@ public:
   NodeSetPositionAndShiftSurroundingsCommand(Node* node, const QPointF& pos, bool move_dependencies_relatively) :
     node_(node),
     position_(pos),
-    move_dependencies_(move_dependencies_relatively)
+    move_dependencies_(move_dependencies_relatively),
+    ignore_node_(nullptr)
   {}
 
   virtual ~NodeSetPositionAndShiftSurroundingsCommand() override
@@ -1373,6 +1374,11 @@ public:
     }
   }
 
+  void SetIgnoreNode(Node* n)
+  {
+    ignore_node_ = n;
+  }
+
 private:
   Node* node_;
 
@@ -1382,6 +1388,8 @@ private:
 
   QVector<UndoCommand*> commands_;
 
+  Node* ignore_node_;
+
 };
 
 class NodeSetPositionAsChildCommand : public UndoCommand