From 0405c1c34a18ca1c06be95fa5426f7deeeaf0daa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bart=C5=82omiej=20Dach?= <dach.bartlomiej@gmail.com>
Date: Wed, 4 May 2022 13:15:26 +0200
Subject: [PATCH] Ensure selected playlist item is always scrolled into view

---
 .../Screens/OnlinePlay/DrawableRoomPlaylist.cs   | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/osu.Game/Screens/OnlinePlay/DrawableRoomPlaylist.cs b/osu.Game/Screens/OnlinePlay/DrawableRoomPlaylist.cs
index d1b21ca1b0..fe654c4ab8 100644
--- a/osu.Game/Screens/OnlinePlay/DrawableRoomPlaylist.cs
+++ b/osu.Game/Screens/OnlinePlay/DrawableRoomPlaylist.cs
@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Diagnostics;
 using System.Linq;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
@@ -173,6 +174,21 @@ namespace osu.Game.Screens.OnlinePlay
 
         protected virtual DrawableRoomPlaylistItem CreateDrawablePlaylistItem(PlaylistItem item) => new DrawableRoomPlaylistItem(item);
 
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            SelectedItem.BindValueChanged(_ => scrollToSelection(), true);
+        }
+
+        private void scrollToSelection()
+        {
+            if (SelectedItem.Value == null) return;
+
+            Debug.Assert(ItemMap.TryGetValue(SelectedItem.Value, out var drawableItem));
+            ScrollContainer.ScrollIntoView(drawableItem);
+        }
+
         #region Key selection logic (shared with BeatmapCarousel and RoomsContainer)
 
         public bool OnPressed(KeyBindingPressEvent<GlobalAction> e)