Merge pull request #12359 from unoplatform/dev/mazi/singleselectionfocus

feat: Support for `SingleSelectionFollowsFocus`

src/SamplesApp/UITests.Shared/UITests.Shared.projitems

@@ -1970,6 +1970,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="$(MSBuildThisFileDirectory)Windows_UI_Xaml_Controls\ListView\ListView_SingleSelection_Focus.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="$(MSBuildThisFileDirectory)Windows_UI_Xaml_Controls\ListView\ListView_Resizing.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -6426,6 +6430,9 @@
     <Compile Include="$(MSBuildThisFileDirectory)Windows_UI_Xaml_Controls\ListView\ListView_Focus.xaml.cs">
       <DependentUpon>ListView_Focus.xaml</DependentUpon>
     </Compile>
+    <Compile Include="$(MSBuildThisFileDirectory)Windows_UI_Xaml_Controls\ListView\ListView_SingleSelection_Focus.xaml.cs">
+      <DependentUpon>ListView_SingleSelection_Focus.xaml</DependentUpon>
+    </Compile>
     <Compile Include="$(MSBuildThisFileDirectory)Windows_UI_Xaml_Controls\ListView\ListView_Resizing.xaml.cs">
       <DependentUpon>ListView_Resizing.xaml</DependentUpon>
     </Compile>

src/SamplesApp/UITests.Shared/Windows_UI_Xaml_Controls/ListView/ListView_SingleSelection_Focus.xaml

+<UserControl
+    x:Class="UITests.Shared.Windows_UI_Xaml_Controls.ListView.ListView_SingleSelection_Focus"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:local="using:UITests.Shared.Windows_UI_Xaml_Controls.ListView"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    d:DesignHeight="300"
+    d:DesignWidth="400"
+    mc:Ignorable="d">
+
+    <StackPanel Spacing="8">
+        <TextBlock FontWeight="Bold" Text="SingleSelectionFollowsFocus = true" />
+        <ListView
+            x:Name="ListView1"
+            Width="100"
+            Height="200"
+            BorderBrush="Black"
+            BorderThickness="1"
+            SelectionMode="Single"
+            SingleSelectionFollowsFocus="True" />
+        <TextBlock Text="{x:Bind ListView1.SelectedItem, Mode=OneWay}" />
+        <TextBlock FontWeight="Bold" Text="SingleSelectionFollowsFocus = false" />
+        <ListView
+            x:Name="ListView2"
+            Width="100"
+            Height="200"
+            BorderBrush="Black"
+            BorderThickness="1"
+            SelectionMode="Single"
+            SingleSelectionFollowsFocus="False" />
+        <TextBlock Text="{x:Bind ListView2.SelectedItem, Mode=OneWay}" />
+    </StackPanel>
+</UserControl>

src/SamplesApp/UITests.Shared/Windows_UI_Xaml_Controls/ListView/ListView_SingleSelection_Focus.xaml.cs

+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Uno.UI.Samples.Controls;
+using Uno.UI.Samples.UITests.Helpers;
+using Windows.Foundation;
+using Windows.Foundation.Collections;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Controls.Primitives;
+using Windows.UI.Xaml.Data;
+using Windows.UI.Xaml.Input;
+using Windows.UI.Xaml.Media;
+using Windows.UI.Xaml.Navigation;
+
+// The User Control item template is documented at https://go.microsoft.com/fwlink/?LinkId=234236
+
+namespace UITests.Shared.Windows_UI_Xaml_Controls.ListView
+{
+	[Sample("ListView", IsManualTest = true, IgnoreInSnapshotTests = true)]
+	public sealed partial class ListView_SingleSelection_Focus : UserControl
+	{
+		public ListView_SingleSelection_Focus()
+		{
+			this.InitializeComponent();
+			ListView1.ItemsSource = Enumerable.Range(0, 30).Select(i => i.ToString()).ToArray();
+			ListView2.ItemsSource = Enumerable.Range(0, 30).Select(i => i.ToString()).ToArray();
+		}
+	}
+}

src/Uno.UI/Generated/3.0.0.0/Windows.UI.Xaml.Controls/ListViewBase.cs

@@ -113,7 +113,7 @@ namespace Windows.UI.Xaml.Controls
 			}
 		}
 		#endif
-		#if __ANDROID__ || __IOS__ || NET461 || __WASM__ || __SKIA__ || __NETSTD_REFERENCE__ || __MACOS__
+		#if false
 		[global::Uno.NotImplemented("__ANDROID__", "__IOS__", "NET461", "__WASM__", "__SKIA__", "__NETSTD_REFERENCE__", "__MACOS__")]
 		public  bool SingleSelectionFollowsFocus
 		{
@@ -252,7 +252,7 @@ namespace Windows.UI.Xaml.Controls
 			typeof(global::Windows.UI.Xaml.Controls.ListViewBase), 
 			new Windows.UI.Xaml.FrameworkPropertyMetadata(default(bool)));
 		#endif
-		#if __ANDROID__ || __IOS__ || NET461 || __WASM__ || __SKIA__ || __NETSTD_REFERENCE__ || __MACOS__
+		#if false
 		[global::Uno.NotImplemented("__ANDROID__", "__IOS__", "NET461", "__WASM__", "__SKIA__", "__NETSTD_REFERENCE__", "__MACOS__")]
 		public static global::Windows.UI.Xaml.DependencyProperty SingleSelectionFollowsFocusProperty { get; } = 
 		Windows.UI.Xaml.DependencyProperty.Register(

src/Uno.UI/UI/Xaml/Controls/ListViewBase/ListViewBase.Properties.cs

+using Windows.UI.Xaml;
+
+namespace Windows.UI.Xaml.Controls;
+
+public partial class ListViewBase
+{
+	/// <summary>
+	/// Gets or sets a value that indicates whether item selection changes when keyboard focus changes.
+	/// </summary>
+	public bool SingleSelectionFollowsFocus
+	{
+		get => (bool)GetValue(SingleSelectionFollowsFocusProperty);
+		set => SetValue(SingleSelectionFollowsFocusProperty, value);
+	}
+
+	/// <summary>
+	/// Identifies the SingleSelectionFollowsFocus dependency property.
+	/// </summary>
+	public static DependencyProperty SingleSelectionFollowsFocusProperty { get; } =
+		DependencyProperty.Register(
+			nameof(SingleSelectionFollowsFocus),
+			typeof(bool),
+			typeof(ListViewBase),
+			new FrameworkPropertyMetadata(true));
+}

src/Uno.UI/UI/Xaml/Controls/ListViewBase/ListViewBase.cs

@@ -29,6 +29,7 @@ using Windows.Foundation;
 using Uno.UI;
 using Windows.UI.Xaml.Input;
 using Windows.System;
+using Uno.UI.Xaml.Input;
 
 namespace Windows.UI.Xaml.Controls
 {
@@ -130,7 +131,8 @@ namespace Windows.UI.Xaml.Controls
 			}
 
 			// If selection mode is single, moving focus also selects the item
-			if (SelectionMode == ListViewSelectionMode.Single)
+			if (SelectionMode == ListViewSelectionMode.Single &&
+				SingleSelectionFollowsFocus)
 			{
 				SelectedIndex = index;
 			}