From ac95fb65c4f760f6b10a77b85c8117cbc45ad70c Mon Sep 17 00:00:00 2001
From: vsariola <5684185+vsariola@users.noreply.github.com>
Date: Sat, 17 Apr 2021 23:30:13 +0300
Subject: [PATCH] fix(gioui): prevent crashing when loading malformed song

---
 tracker/gioui/files.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tracker/gioui/files.go b/tracker/gioui/files.go
index aa184eb..af124b7 100644
--- a/tracker/gioui/files.go
+++ b/tracker/gioui/files.go
@@ -55,6 +55,9 @@ func (t *Tracker) loadSong() {
 			return
 		}
 	}
+	if song.Score.Length <= 0 || len(song.Score.Tracks) == 0 || len(song.Patch) == 0 {
+		return
+	}
 	t.SetSong(song)
 	t.SetFilePath(filename)
 	t.window.Option(app.Title(fmt.Sprintf("Sointu Tracker - %v", filename)))