Add visual indicator that the dial is connected

.editorconfig

@@ -2,3 +2,6 @@
 
 # CA1416: Validate platform compatibility
 dotnet_diagnostic.CA1416.severity = none
+
+# IDE0022: Use block body for methods
+dotnet_diagnostic.IDE0022.severity = none

src/GitLurker.UI/Services/SurfaceDialService.cs

@@ -31,6 +31,10 @@ public class SurfaceDialService : IDisposable
 
         public event EventHandler RotatedRight;
 
+        public event EventHandler ControlAcquired;
+
+        public event EventHandler ControlLost;
+
         #endregion
 
         #region Methods
@@ -51,10 +55,18 @@ public async Task Initialize(Window window)
             _controller.RotationChanged += Controller_RotationChanged;
             _controller.ButtonHolding += Controller_ButtonHolding;
             _controller.ButtonReleased += Controller_ButtonReleased;
+            _controller.ControlAcquired += Controller_ControlAcquired;
+            _controller.ControlLost += Controller_ControlLost;
 
-            RemoveSystemItems(handle);
+            ApplyConfigurations(handle);
         }
 
+        private void Controller_ControlLost(RadialController sender, object args)
+            => ControlLost?.Invoke(this, EventArgs.Empty);
+
+        private void Controller_ControlAcquired(RadialController sender, RadialControllerControlAcquiredEventArgs args)
+            => ControlAcquired?.Invoke(this, EventArgs.Empty);
+
         private void Controller_ButtonReleased(RadialController sender, RadialControllerButtonReleasedEventArgs args)
         {
             if (_holding)
@@ -91,15 +103,15 @@ private void Controller_ButtonClicked(RadialController sender, RadialControllerB
             ButtonClicked?.Invoke(this, EventArgs.Empty);
         }
 
-        private void RemoveSystemItems(IntPtr hwnd)
+        private void ApplyConfigurations(IntPtr hwnd)
         {
-            RadialControllerConfiguration config;
             var radialControllerConfigInterop = (IRadialControllerConfigurationInterop)System.Runtime.InteropServices.WindowsRuntime.WindowsRuntimeMarshal.GetActivationFactory(typeof(RadialControllerConfiguration));
             var guid = typeof(RadialControllerConfiguration).GetInterface("IRadialControllerConfiguration").GUID;
 
-            config = radialControllerConfigInterop.GetForWindow(hwnd, ref guid);
-            config.IsMenuSuppressed = true;
-            config.SetDefaultMenuItems(Enumerable.Empty<RadialControllerSystemMenuItemKind>());
+            var configuration = radialControllerConfigInterop.GetForWindow(hwnd, ref guid);
+            var t = RadialControllerConfiguration.IsAppControllerEnabled;
+            configuration.IsMenuSuppressed = true;
+            configuration.SetDefaultMenuItems(Enumerable.Empty<RadialControllerSystemMenuItemKind>());
         }
 
         public void Dispose()

src/GitLurker.UI/ViewModels/ShellViewModel.cs

@@ -38,6 +38,7 @@ public class ShellViewModel : Screen, IHandle<CloseMessage>, IHandle<string>
         private string _version;
         private double _dpiX = 1;
         private double _dpiY = 1;
+        private bool _hasSurfaceDial;
 
         #endregion
 
@@ -102,6 +103,16 @@ public string SearchTerm
             }
         }
 
+        public bool HasSurfaceDial
+        {
+            get => _hasSurfaceDial;
+            set
+            {
+                _hasSurfaceDial = value;
+                NotifyOfPropertyChange();
+            }
+        }
+
         public string SearchWatermark
         {
             get => _searchWatermark;
@@ -243,6 +254,8 @@ protected override async void OnViewLoaded(object view)
             _surfaceDialService.RotatedRight += SurfaceDialService_RotatedRight;
             _surfaceDialService.RotatedLeft += SurfaceDialService_RotatedLeft;
             _surfaceDialService.ButtonHolding += SurfaceDialService_ButtonHolding;
+            _surfaceDialService.ControlAcquired += SurfaceDialService_ControlAcquired;
+            _surfaceDialService.ControlLost += SurfaceDialService_ControlLost;
 
             var source = PresentationSource.FromVisual(this.View);
             if (source != null)
@@ -259,6 +272,10 @@ protected override async void OnViewLoaded(object view)
             HideFromAltTab(View);
         }
 
+        private void SurfaceDialService_ControlLost(object sender, EventArgs e) => HasSurfaceDial = false;
+
+        private void SurfaceDialService_ControlAcquired(object sender, EventArgs e) => HasSurfaceDial = true;
+
         private void SurfaceDialService_ButtonHolding(object sender, EventArgs e) => WorkspaceViewModel.OpenPullRequest();
 
         private void SurfaceDialService_RotatedLeft(object sender, EventArgs e) => WorkspaceViewModel.MoveUp();

src/GitLurker.UI/Views/ShellView.xaml

@@ -57,7 +57,8 @@
         <Border Background="{DynamicResource MahApps.Brushes.Gray10}" 
                 CornerRadius="10" 
                 BorderThickness="0,0,0,1.6">
-            <TextBox x:Name="SearchTerm"
+            <Grid>
+                <TextBox x:Name="SearchTerm"
                      Margin="10,5,0,5"
                      Grid.Column="1"
                      Background="Transparent"
@@ -69,6 +70,21 @@
                      Controls:TextBoxHelper.SelectAllOnFocus="True"
                      Controls:TextBoxHelper.Watermark="{Binding SearchWatermark}"
                      BorderBrush="{DynamicResource MahApps.Brushes.Accent}"/>
+                <StackPanel Orientation="Horizontal" 
+                            VerticalAlignment="Bottom"
+                            HorizontalAlignment="Right"
+                            Visibility="{Binding HasSurfaceDial, Converter={StaticResource BooleanToVisibilityConverter}}" 
+                            Margin="0,0,10,5">
+
+                    <iconPacks:PackIconMaterial Kind="HockeyPuck" 
+                                            Height="18"
+                                            Width="18"
+                                            Foreground="{DynamicResource MahApps.Brushes.Accent2}"/>
+                    <TextBlock VerticalAlignment="Center"
+                               Margin="10,0,0,0"
+                               Foreground="{DynamicResource MahApps.Brushes.Accent2}">Connected</TextBlock>
+                </StackPanel>
+            </Grid>
         </Border>
 
         <Grid VerticalAlignment="Top"