From fc914dc1dfe348d826761d4857a5c3e1eb7cef99 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Mon, 18 Nov 2024 23:52:04 +0900
Subject: [PATCH] Fix right click scroll at song select not quite matching
 scrollbar position

---
 osu.Game/Graphics/Containers/OsuScrollContainer.cs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/osu.Game/Graphics/Containers/OsuScrollContainer.cs b/osu.Game/Graphics/Containers/OsuScrollContainer.cs
index 966070f44f41..a3cd5a4902e5 100644
--- a/osu.Game/Graphics/Containers/OsuScrollContainer.cs
+++ b/osu.Game/Graphics/Containers/OsuScrollContainer.cs
@@ -124,8 +124,13 @@ protected override bool OnScroll(ScrollEvent e)
             return base.OnScroll(e);
         }
 
-        protected virtual void ScrollFromMouseEvent(MouseEvent e) =>
-            ScrollTo(Clamp(FromScrollbarPosition(ToLocalSpace(e.ScreenSpaceMousePosition)[ScrollDim]) + Scrollbar.DrawHeight), true, DistanceDecayOnRightMouseScrollbar);
+        protected virtual void ScrollFromMouseEvent(MouseEvent e)
+        {
+            float fromScrollbarPosition = FromScrollbarPosition(ToLocalSpace(e.ScreenSpaceMousePosition)[ScrollDim]);
+            float scrollbarCentreOffset = FromScrollbarPosition(Scrollbar.DrawHeight) * 0.5f;
+
+            ScrollTo(Clamp(fromScrollbarPosition - scrollbarCentreOffset), true, DistanceDecayOnRightMouseScrollbar);
+        }
 
         private bool shouldPerformRightMouseScroll(MouseButtonEvent e) => RightMouseScrollbar && e.Button == MouseButton.Right;