From a8cf6a6854231bc2f7fbeffee45d97460c2dd812 Mon Sep 17 00:00:00 2001
From: Derrick Timmermans <derrick.timmermans@outlook.com>
Date: Tue, 20 Jul 2021 23:00:58 +0200
Subject: [PATCH] Fix slight Y position offset in HandleDrag

---
 .../Compose/Components/Timeline/TimelineBlueprintContainer.cs  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineBlueprintContainer.cs b/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineBlueprintContainer.cs
index 69db191cce..a5210132a3 100644
--- a/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineBlueprintContainer.cs
+++ b/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineBlueprintContainer.cs
@@ -309,7 +309,8 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
             public override bool HandleDrag(MouseButtonEvent e)
             {
                 // The dragbox should only be active if the mouseDownPosition.Y is within this drawable's bounds.
-                if (DrawRectangle.Top > e.MouseDownPosition.Y || DrawRectangle.Bottom < e.MouseDownPosition.Y)
+                float localY = ToLocalSpace(e.ScreenSpaceMouseDownPosition).Y;
+                if (DrawRectangle.Top > localY || DrawRectangle.Bottom < localY)
                     return false;
 
                 selectionStart ??= e.MouseDownPosition.X / timeline.CurrentZoom;