Added "scroll to" container

osu.Game/Screens/Select/SongSelect.cs

@@ -31,6 +31,7 @@ public abstract class SongSelect : OsuScreen
         private BeatmapManager manager;
         protected override BackgroundScreen CreateBackground() => new BackgroundScreenBeatmap();
 
+        private readonly ActionContainer actionContainer;
         private readonly BeatmapCarousel carousel;
         private DialogOverlay dialogOverlay;
 
@@ -129,6 +130,12 @@ protected SongSelect()
                     Right = left_area_padding,
                 },
             });
+            Add(actionContainer = new ActionContainer
+            {
+                RelativeSizeAxes = Axes.Y,
+                Width = 250,
+                OnHoverAction = () => carousel.ScrollToSelected(),
+            });
 
             if (ShowFooter)
             {
@@ -409,5 +416,16 @@ protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
 
             return base.OnKeyDown(state, args);
         }
+
+        private class ActionContainer : Container
+        {
+            public Action OnHoverAction;
+
+            protected override bool OnHover(InputState state)
+            {
+                OnHoverAction?.Invoke();
+                return base.OnHover(state);
+            }
+        }
     }
 }