From 69b7bc20416a01b88b446e845b5d25514eaeb809 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Wed, 11 Dec 2019 16:26:43 -0300
Subject: [PATCH] [Popup] Use anchor and gravity to get the correct positioning
 under the mouse.

---
 .../Primitives/PopupPositioning/IPopupPositioner.cs           | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Avalonia.Controls/Primitives/PopupPositioning/IPopupPositioner.cs b/src/Avalonia.Controls/Primitives/PopupPositioning/IPopupPositioner.cs
index 90b86739e9..f0358ec04f 100644
--- a/src/Avalonia.Controls/Primitives/PopupPositioning/IPopupPositioner.cs
+++ b/src/Avalonia.Controls/Primitives/PopupPositioning/IPopupPositioner.cs
@@ -305,8 +305,8 @@ namespace Avalonia.Controls.Primitives.PopupPositioning
             positionerParameters.ConstraintAdjustment = PopupPositionerConstraintAdjustment.All;
             if (placement == PlacementMode.Pointer)
             {
-                positionerParameters.AnchorRectangle = new Rect(pointer, new Size(0, 0));
-                positionerParameters.Anchor = PopupPositioningEdge.BottomRight;
+                positionerParameters.AnchorRectangle = new Rect(pointer, new Size(1, 1));
+                positionerParameters.Anchor = PopupPositioningEdge.TopLeft;
                 positionerParameters.Gravity = PopupPositioningEdge.BottomRight;
             }
             else