tmp: fix non deffered rendering hit testing pr: 3357 - merged

src/Avalonia.Controls/Notifications/WindowNotificationManager.cs

@@ -7,6 +7,7 @@ using System.Linq;
 using System.Reactive.Linq;
 using System.Threading.Tasks;
 using Avalonia.Controls.Primitives;
+using Avalonia.Rendering;
 using Avalonia.VisualTree;
 
 namespace Avalonia.Controls.Notifications
@@ -14,7 +15,7 @@ namespace Avalonia.Controls.Notifications
     /// <summary>
     /// An <see cref="INotificationManager"/> that displays notifications in a <see cref="Window"/>.
     /// </summary>
-    public class WindowNotificationManager : TemplatedControl, IManagedNotificationManager
+    public class WindowNotificationManager : TemplatedControl, IManagedNotificationManager, ICustomSimpleHitTest
     {
         private IList _items;
 
@@ -153,5 +154,10 @@ namespace Avalonia.Controls.Notifications
 
             adornerLayer?.Children.Add(this);
         }
+
+        public bool HitTest(Point point)
+        {
+            return VisualChildren.Any(ctrl => (ctrl as ICustomSimpleHitTest)?.HitTest(point) ?? ctrl.TransformedBounds?.Contains(point) == true);
+        }
     }
 }

src/Avalonia.Controls/Primitives/AdornerLayer.cs

@@ -140,7 +140,7 @@ namespace Avalonia.Controls.Primitives
 
         public bool HitTest(Point point)
         {
-            return Children.Any(ctrl => ctrl.TransformedBounds?.Contains(point) == true);
+            return Children.Any(ctrl => (ctrl as ICustomSimpleHitTest)?.HitTest(point) ?? ctrl.TransformedBounds?.Contains(point) == true);
         }
 
         private class AdornedElementInfo