feat: add IOnNavigationMove event interface

Assets/UIComponents.Tests/Editor/Interfaces/UIComponentInterfaceTests.cs

@@ -14,22 +14,36 @@ private class BaseTestComponent : UIComponent
             public bool Fired { get; protected set; }
         }
 
-        private static IEnumerator Assert_Registers_Event_Callback<TComponent, TEvent>()
+        [SetUp]
+        public void SetUp()
+        {
+            _editorWindow = EditorWindow.GetWindow<InterfacesTestEditorWindow>();
+        }
+
+        private InterfacesTestEditorWindow _editorWindow;
+
+        [TearDown]
+        public void TearDown()
+        {
+            if (_editorWindow)
+                _editorWindow.Close();
+            _editorWindow = null;
+        }
+
+        private IEnumerator Assert_Registers_Event_Callback<TComponent, TEvent>()
             where TComponent : BaseTestComponent, new()
             where TEvent : EventBase<TEvent>, new()
         {
-            var window = EditorWindow.GetWindow<InterfacesTestEditorWindow>();
             var component = new TComponent();
             Assert.That(component.Fired, Is.False);
-            window.AddTestComponent(component);
+            _editorWindow.AddTestComponent(component);
 
             yield return component.WaitForInitializationEnumerator();
 
             using (var evt = new TEvent() { target = component })
                 component.SendEvent(evt);
 
             Assert.That(component.Fired, Is.True);
-            window.Close();
         }
 
         private class UIComponentWithOnGeometryChanged : BaseTestComponent, IOnGeometryChanged
@@ -98,6 +112,18 @@ public IEnumerator IOnClick_Registers_ClickEvent_Callback()
         {
             yield return Assert_Registers_Event_Callback<UIComponentWithOnClick, ClickEvent>();
         }
+#endif
+#if UNITY_2021_3_OR_NEWER
+        private class UIComponentWithOnNavigationMove : BaseTestComponent, IOnNavigationMove
+        {
+            public void OnNavigationMove(NavigationMoveEvent evt) => Fired = true;
+        }
+
+        [UnityTest]
+        public IEnumerator IOnNavigationMove_Registers_NavigationMoveEvent_Callback()
+        {
+            yield return Assert_Registers_Event_Callback<UIComponentWithOnNavigationMove, NavigationMoveEvent>();
+        }
 #endif
     }
 }

Assets/UIComponents/Core/EventInterfaces/IOnClick.cs

@@ -13,4 +13,4 @@ public interface IOnClick
         void OnClick(ClickEvent evt);
     }
 }
-#endif
+#endif

Assets/UIComponents/Core/EventInterfaces/IOnNavigationMove.cs

@@ -0,0 +1,16 @@
+#if UNITY_2021_3_OR_NEWER
+using UnityEngine.UIElements;
+
+namespace UIComponents
+{
+    /// <summary>
+    /// When implemented by a <see cref="UIComponent"/>,
+    /// a callback for <see cref="NavigationMoveEvent"/> is
+    /// automatically registered in the UIComponent constructor.
+    /// </summary>
+    public interface IOnNavigationMove
+    {
+        void OnNavigationMove(NavigationMoveEvent evt);
+    }
+}
+#endif

Assets/UIComponents/Core/UIComponent.cs

@@ -151,6 +151,10 @@ private void RegisterEventInterfaceCallbacks()
 #if UNITY_2020_3_OR_NEWER
             if (this is IOnClick onClick)
                 RegisterCallback<ClickEvent>(onClick.OnClick);
+#endif
+#if UNITY_2021_3_OR_NEWER
+            if (this is IOnNavigationMove onNavigationMove)
+                RegisterCallback<NavigationMoveEvent>(onNavigationMove.OnNavigationMove);
 #endif
         }