From e121b119be21d896b8754c43e5fdf3daf2433d0c Mon Sep 17 00:00:00 2001
From: EVAST9919 <megaman9919@gmail.com>
Date: Sat, 29 Jul 2017 17:33:20 +0300
Subject: [PATCH] Added "scroll to" container

---
 osu.Game/Screens/Select/SongSelect.cs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/osu.Game/Screens/Select/SongSelect.cs b/osu.Game/Screens/Select/SongSelect.cs
index bbd292870e..57e2183853 100644
--- a/osu.Game/Screens/Select/SongSelect.cs
+++ b/osu.Game/Screens/Select/SongSelect.cs
@@ -31,6 +31,7 @@ namespace osu.Game.Screens.Select
         private BeatmapManager manager;
         protected override BackgroundScreen CreateBackground() => new BackgroundScreenBeatmap();
 
+        private readonly ActionContainer actionContainer;
         private readonly BeatmapCarousel carousel;
         private DialogOverlay dialogOverlay;
 
@@ -129,6 +130,12 @@ namespace osu.Game.Screens.Select
                     Right = left_area_padding,
                 },
             });
+            Add(actionContainer = new ActionContainer
+            {
+                RelativeSizeAxes = Axes.Y,
+                Width = 250,
+                OnHoverAction = () => carousel.ScrollToSelected(),
+            });
 
             if (ShowFooter)
             {
@@ -409,5 +416,16 @@ namespace osu.Game.Screens.Select
 
             return base.OnKeyDown(state, args);
         }
+
+        private class ActionContainer : Container
+        {
+            public Action OnHoverAction;
+
+            protected override bool OnHover(InputState state)
+            {
+                OnHoverAction?.Invoke();
+                return base.OnHover(state);
+            }
+        }
     }
 }