From 26b928597cc371feaeb8aca661b93a608f9e3433 Mon Sep 17 00:00:00 2001
From: itsmattkc <itsmattkc@gmail.com>
Date: Wed, 22 Apr 2020 18:18:22 +1000
Subject: [PATCH] nodeview: only select if a graph is currently active

Fixes segfault where timeline attempted to signal NodeView to select nodes
after it had already cleared itself.
---
 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 2a78ac44a..e61255ed2 100644
--- a/app/widget/nodeview/nodeview.cpp
+++ b/app/widget/nodeview/nodeview.cpp
@@ -114,6 +114,10 @@ void NodeView::DeselectAll()
 
 void NodeView::Select(const QList<Node *> &nodes)
 {
+  if (!graph_) {
+    return;
+  }
+
   DeselectAll();
 
   foreach (Node* n, nodes) {
@@ -125,6 +129,10 @@ void NodeView::Select(const QList<Node *> &nodes)
 
 void NodeView::SelectWithDependencies(QList<Node *> nodes)
 {
+  if (!graph_) {
+    return;
+  }
+
   int original_length = nodes.size();
   for (int i=0;i<original_length;i++) {
     nodes.append(nodes.at(i)->GetDependencies());