[Popup] Use anchor and gravity to get the correct positioning under the mouse.

7 years ago · 69b7bc2041
1 changed files with 2 additions and 2 deletions
--- 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