Merge pull request #4504 from jp2masa/tapped-left-button

Fire Tapped only on left button click

src/Avalonia.Input/Gestures.cs

@@ -96,8 +96,11 @@ namespace Avalonia.Input
 
                 if (s_lastPress.TryGetTarget(out var target) && target == e.Source)
                 {
-                    var et = e.InitialPressMouseButton != MouseButton.Right ? TappedEvent : RightTappedEvent;
-                    e.Source.RaiseEvent(new RoutedEventArgs(et));
+                    if (e.InitialPressMouseButton == MouseButton.Left || e.InitialPressMouseButton == MouseButton.Right)
+                    {
+                        var et = e.InitialPressMouseButton != MouseButton.Right ? TappedEvent : RightTappedEvent;
+                        e.Source.RaiseEvent(new RoutedEventArgs(et));
+                    }
                 }
             }
         }

tests/Avalonia.Input.UnitTests/GesturesTests.cs

@@ -1,10 +1,9 @@
 using System.Collections.Generic;
 using Avalonia.Controls;
-using Avalonia.Input;
 using Avalonia.UnitTests;
 using Xunit;
 
-namespace Avalonia.Interactivity.UnitTests
+namespace Avalonia.Input.UnitTests
 {
     public class GesturesTests
     {
@@ -45,7 +44,7 @@ namespace Avalonia.Interactivity.UnitTests
         }
 
         [Fact]
-        public void Tapped_Should_Be_Raised_For_Middle_Button()
+        public void Tapped_Should_Not_Be_Raised_For_Middle_Button()
         {
             Border border = new Border();
             var decorator = new Decorator
@@ -58,7 +57,7 @@ namespace Avalonia.Interactivity.UnitTests
 
             _mouse.Click(border, MouseButton.Middle);
 
-            Assert.True(raised);
+            Assert.False(raised);
         }
 
         [Fact]