From b7027fecbb5ced293eea1840d266b9a5b97990cb Mon Sep 17 00:00:00 2001
From: Dalton Messmer <33463986+messmerd@users.noreply.github.com>
Date: Sat, 1 Jul 2023 22:57:09 -0400
Subject: [PATCH] Fix occasional crash when clicking Key button in piano roll
 with no clip (#6757)

---
 src/gui/editors/PianoRoll.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gui/editors/PianoRoll.cpp b/src/gui/editors/PianoRoll.cpp
index 8fdf958c0..adc1997b9 100644
--- a/src/gui/editors/PianoRoll.cpp
+++ b/src/gui/editors/PianoRoll.cpp
@@ -941,6 +941,7 @@ void PianoRoll::hideMidiClip( MidiClip* clip )
 
 int PianoRoll::trackOctaveSize() const
 {
+	if (!m_midiClip) { return KeysPerOctave; }
 	auto ut = m_midiClip->instrumentTrack()->microtuner();
 	return ut->enabled() ? ut->octaveSize() : KeysPerOctave;
 }