nodeview: null checks on select code

Prevents segfaults if the node view clears before the timeline.
2020-10-06 00:10:53 +11:00
parent 2d8c605cc9
commit 2ccbfa7715
1 changed files with 8 additions and 0 deletions
@@ -200,6 +200,10 @@ void NodeView::SelectWithDependencies(QList<Node *> nodes)

 void NodeView::SelectBlocks(const QList<Block *> &blocks)
 {
+  if (!graph_) {
+    return;
+  }
+
  selected_blocks_.append(blocks);

  SelectBlocksInternal();
@@ -207,6 +211,10 @@ void NodeView::SelectBlocks(const QList<Block *> &blocks)

 void NodeView::DeselectBlocks(const QList<Block *> &blocks)
 {
+  if (!graph_) {
+    return;
+  }
+
  // Remove temporary associations
  foreach (Block* b, selected_blocks_) {
    if (!blocks.contains(b)) {