From a861d2b7285bf8bad44d824db311966a0b3fe606 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?kleines=20Filmr=C3=B6llchen?= <filmroellchen@serenityos.org>
Date: Fri, 13 May 2022 23:39:42 +0200
Subject: [PATCH] Piano: Make TrackManager::next_track_index const

That's very much an informational API.
---
 Userland/Applications/Piano/TrackManager.cpp | 2 +-
 Userland/Applications/Piano/TrackManager.h   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Userland/Applications/Piano/TrackManager.cpp b/Userland/Applications/Piano/TrackManager.cpp
index f8427fd2b7f..408a64d277c 100644
--- a/Userland/Applications/Piano/TrackManager.cpp
+++ b/Userland/Applications/Piano/TrackManager.cpp
@@ -91,7 +91,7 @@ void TrackManager::add_track()
     m_tracks.append(make<Track>(m_transport));
 }
 
-int TrackManager::next_track_index()
+int TrackManager::next_track_index() const
 {
     auto next_track_index = m_current_track + 1;
     if (next_track_index >= m_tracks.size())
diff --git a/Userland/Applications/Piano/TrackManager.h b/Userland/Applications/Piano/TrackManager.h
index f45dae6f277..f1985971f2b 100644
--- a/Userland/Applications/Piano/TrackManager.h
+++ b/Userland/Applications/Piano/TrackManager.h
@@ -46,7 +46,7 @@ public:
     void set_octave(Direction);
     void set_octave(int octave);
     void add_track();
-    int next_track_index();
+    int next_track_index() const;
 
 private:
     Vector<NonnullOwnPtr<Track>> m_tracks;