implemented node groups

2021-11-24 17:58:48 -08:00
parent a94c7169f2
commit 495b07fc55
29 changed files with 947 additions and 203 deletions
@@ -189,7 +189,9 @@ void NodeViewContext::DeleteSelected(NodeViewDeleteCommand *command)
 void NodeViewContext::Select(const QVector<Node *> &nodes)
 {
  foreach (Node *n, nodes) {
-    item_map_.value(n)->setSelected(true);
+    if (NodeViewItem *item = item_map_.value(n)) {
+      item->setSelected(true);
+    }
  }
 }