From d03da1817f33e3637d50131df4837d327490155b Mon Sep 17 00:00:00 2001
From: itsmattkc <itsmattkc@gmail.com>
Date: Wed, 24 Mar 2021 10:25:52 +1100
Subject: [PATCH] timeline: null check on block track

If a block has no track, it's probably not on the timeline and can be safely
ignored.
---
 app/widget/timelinewidget/timelinewidget.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/app/widget/timelinewidget/timelinewidget.cpp b/app/widget/timelinewidget/timelinewidget.cpp
index 25d01c502..156a3ed7d 100644
--- a/app/widget/timelinewidget/timelinewidget.cpp
+++ b/app/widget/timelinewidget/timelinewidget.cpp
@@ -1425,7 +1425,9 @@ void TimelineWidget::AddSelection(const TimeRange &time, const Track::Reference
 
 void TimelineWidget::AddSelection(Block *item)
 {
-  AddSelection(item->range(), item->track()->ToReference());
+  if (item->track()) {
+    AddSelection(item->range(), item->track()->ToReference());
+  }
 }
 
 void TimelineWidget::RemoveSelection(const TimeRange &time, const Track::Reference &track)
@@ -1437,7 +1439,9 @@ void TimelineWidget::RemoveSelection(const TimeRange &time, const Track::Referen
 
 void TimelineWidget::RemoveSelection(Block *item)
 {
-  RemoveSelection(item->range(), item->track()->ToReference());
+  if (item->track()) {
+    RemoveSelection(item->range(), item->track()->ToReference());
+  }
 }
 
 void TimelineWidget::SetSelections(const TimelineWidgetSelections &s)