Merge pull request #5340 from AvaloniaUI/double-tapped-event-args

Double tapped event args

src/Avalonia.Input/Gestures.cs

@@ -24,7 +24,7 @@ namespace Avalonia.Input
         public static readonly RoutedEvent<ScrollGestureEventArgs> ScrollGestureEvent =
             RoutedEvent.Register<ScrollGestureEventArgs>(
                 "ScrollGesture", RoutingStrategies.Bubble, typeof(Gestures));
- 
+
         public static readonly RoutedEvent<ScrollGestureEventArgs> ScrollGestureEndedEvent =
             RoutedEvent.Register<ScrollGestureEventArgs>(
                 "ScrollGestureEnded", RoutingStrategies.Bubble, typeof(Gestures));
@@ -89,7 +89,7 @@ namespace Avalonia.Input
                 {
                     if (s_lastPress.TryGetTarget(out var target) && target == e.Source)
                     {
-                        e.Source.RaiseEvent(new RoutedEventArgs(DoubleTappedEvent));
+                        e.Source.RaiseEvent(new TappedEventArgs(DoubleTappedEvent, e));
                     }
                 }
             }
@@ -105,8 +105,14 @@ namespace Avalonia.Input
                 {
                     if (e.InitialPressMouseButton == MouseButton.Left || e.InitialPressMouseButton == MouseButton.Right)
                     {
-                        var et = e.InitialPressMouseButton != MouseButton.Right ? TappedEvent : RightTappedEvent;
-                        e.Source.RaiseEvent(new RoutedEventArgs(et));
+                        if (e.InitialPressMouseButton == MouseButton.Right)
+                        {
+                            e.Source.RaiseEvent(new TappedEventArgs(RightTappedEvent, e));
+                        }
+                        else
+                        {
+                            e.Source.RaiseEvent(new TappedEventArgs(TappedEvent, e));
+                        }
                     }
                 }
             }

src/Avalonia.Input/TappedEventArgs.cs

@@ -0,0 +1,18 @@
+using Avalonia.Interactivity;
+using Avalonia.VisualTree;
+
+namespace Avalonia.Input
+{
+    public class TappedEventArgs : RoutedEventArgs
+    {
+        private readonly PointerEventArgs lastPointerEventArgs;
+
+        public TappedEventArgs(RoutedEvent routedEvent, PointerEventArgs lastPointerEventArgs)
+            : base(routedEvent)
+        {
+            this.lastPointerEventArgs = lastPointerEventArgs;
+        }
+
+        public Point GetPosition(IVisual? relativeTo) => lastPointerEventArgs.GetPosition(relativeTo);
+    }
+}