From 2ccbfa77156cf7286aa8123f18a69b90b97146f1 Mon Sep 17 00:00:00 2001
From: itsmattkc <itsmattkc@gmail.com>
Date: Tue, 6 Oct 2020 00:10:53 +1100
Subject: [PATCH] nodeview: null checks on select code

Prevents segfaults if the node view clears before the timeline.
---
 app/widget/nodeview/nodeview.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/app/widget/nodeview/nodeview.cpp b/app/widget/nodeview/nodeview.cpp
index 77d3e250f..c7f18e1af 100644
--- a/app/widget/nodeview/nodeview.cpp
+++ b/app/widget/nodeview/nodeview.cpp
@@ -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)) {