Merge remote-tracking branch 'origin/main' into dev/snickler/net10-upgrade

.github/actions/spell-check/expect.txt

@@ -637,6 +637,7 @@ hmodule
 hmonitor
 homies
 homljgmgpmcbpjbnjpfijnhipfkiclkd
+HOOKPROC
 HORZRES
 HORZSIZE
 Hostbackdropbrush

doc/devdocs/readme.md

@@ -52,7 +52,7 @@ Once you've discussed your proposed feature/fix/etc. with a team member, and an
 ## Rules
 
 - **Follow the pattern of what you already see in the code.**
-- [Coding style](development/style.md).
+- [Coding style](style.md).
 - Try to package new functionality/components into libraries that have nicely defined interfaces.
 - Package new functionality into classes or refactor existing functionality into a class as you extend the code.
 - When adding new classes/methods/changing existing code, add new unit tests or update the existing tests.

src/modules/Hosts/Hosts.Tests/HostsServiceTest.cs

@@ -298,5 +298,34 @@ namespace Hosts.Tests
             var hidden = fileSystem.FileInfo.New(service.HostsFilePath).Attributes.HasFlag(FileAttributes.Hidden);
             Assert.IsTrue(hidden);
         }
+
+        [TestMethod]
+        public async Task NoLeadingSpaces_Disabled_RemovesIndent()
+        {
+            var content =
+        @"10.1.1.1 host host.local # comment
+10.1.1.2 host2 host2.local # another comment
+";
+
+            var expected =
+        @"10.1.1.1  host host.local     # comment
+10.1.1.2  host2 host2.local   # another comment
+# 10.1.1.30 host30 host30.local # new entry
+";
+
+            var fs = new CustomMockFileSystem();
+            var settings = new Mock<IUserSettings>();
+            settings.Setup(s => s.NoLeadingSpaces).Returns(true);
+            var svc = new HostsService(fs, settings.Object, _elevationHelper.Object);
+            fs.AddFile(svc.HostsFilePath, new MockFileData(content));
+
+            var data = await svc.ReadAsync();
+            var entries = data.Entries.ToList();
+            entries.Add(new Entry(0, "10.1.1.30", "host30 host30.local", "new entry", false));
+            await svc.WriteAsync(data.AdditionalLines, entries);
+
+            var result = fs.GetFile(svc.HostsFilePath);
+            Assert.AreEqual(expected, result.TextContents);
+        }
     }
 }

src/modules/Hosts/Hosts/Settings/UserSettings.cs

@@ -26,6 +26,8 @@ namespace Hosts.Settings
 
         private bool _loopbackDuplicates;
 
+        public bool NoLeadingSpaces { get; private set; }
+
         public bool LoopbackDuplicates
         {
             get => _loopbackDuplicates;
@@ -88,6 +90,7 @@ namespace Hosts.Settings
                             AdditionalLinesPosition = (HostsAdditionalLinesPosition)settings.Properties.AdditionalLinesPosition;
                             Encoding = (HostsEncoding)settings.Properties.Encoding;
                             LoopbackDuplicates = settings.Properties.LoopbackDuplicates;
+                            NoLeadingSpaces = settings.Properties.NoLeadingSpaces;
                         }
 
                         retry = false;

src/modules/Hosts/HostsUILib/Helpers/HostsService.cs

@@ -157,7 +157,7 @@ namespace HostsUILib.Helpers
                         {
                             lineBuilder.Append('#').Append(' ');
                         }
-                        else if (anyDisabled)
+                        else if (anyDisabled && !_userSettings.NoLeadingSpaces)
                         {
                             lineBuilder.Append(' ').Append(' ');
                         }

src/modules/Hosts/HostsUILib/Settings/IUserSettings.cs

@@ -19,5 +19,7 @@ namespace HostsUILib.Settings
         event EventHandler LoopbackDuplicatesChanged;
 
         public delegate void OpenSettingsFunction();
+
+        public bool NoLeadingSpaces { get; }
     }
 }

src/modules/cmdpal/Microsoft.CmdPal.Core.ViewModels/ListViewModel.cs

@@ -63,6 +63,7 @@ public partial class ListViewModel : PageViewModel, IDisposable
 
     private Task? _initializeItemsTask;
     private CancellationTokenSource? _cancellationTokenSource;
+    private CancellationTokenSource? _fetchItemsCancellationTokenSource;
 
     private ListItemViewModel? _lastSelectedItem;
 
@@ -129,22 +130,38 @@ public partial class ListViewModel : PageViewModel, IDisposable
     //// Run on background thread, from InitializeAsync or Model_ItemsChanged
     private void FetchItems()
     {
+        // Cancel any previous FetchItems operation
+        _fetchItemsCancellationTokenSource?.Cancel();
+        _fetchItemsCancellationTokenSource?.Dispose();
+        _fetchItemsCancellationTokenSource = new CancellationTokenSource();
+
+        var cancellationToken = _fetchItemsCancellationTokenSource.Token;
+
         // TEMPORARY: just plop all the items into a single group
         // see 9806fe5d8 for the last commit that had this with sections
         _isFetching = true;
 
+        // Collect all the items into new viewmodels
+        Collection<ListItemViewModel> newViewModels = [];
+
         try
         {
+            // Check for cancellation before starting expensive operations
+            cancellationToken.ThrowIfCancellationRequested();
+
             var newItems = _model.Unsafe!.GetItems();
 
-            // Collect all the items into new viewmodels
-            Collection<ListItemViewModel> newViewModels = [];
+            // Check for cancellation after getting items from extension
+            cancellationToken.ThrowIfCancellationRequested();
 
             // TODO we can probably further optimize this by also keeping a
             // HashSet of every ExtensionObject we currently have, and only
             // building new viewmodels for the ones we haven't already built.
             foreach (var item in newItems)
             {
+                // Check for cancellation during item processing
+                cancellationToken.ThrowIfCancellationRequested();
+
                 ListItemViewModel viewModel = new(item, new(this));
 
                 // If an item fails to load, silently ignore it.
@@ -154,25 +171,57 @@ public partial class ListViewModel : PageViewModel, IDisposable
                 }
             }
 
+            // Check for cancellation before initializing first twenty items
+            cancellationToken.ThrowIfCancellationRequested();
+
             var firstTwenty = newViewModels.Take(20);
             foreach (var item in firstTwenty)
             {
+                cancellationToken.ThrowIfCancellationRequested();
                 item?.SafeInitializeProperties();
             }
 
             // Cancel any ongoing search
             _cancellationTokenSource?.Cancel();
 
+            // Check for cancellation before updating the list
+            cancellationToken.ThrowIfCancellationRequested();
+
+            List<ListItemViewModel> removedItems = [];
             lock (_listLock)
             {
                 // Now that we have new ViewModels for everything from the
                 // extension, smartly update our list of VMs
-                ListHelpers.InPlaceUpdateList(Items, newViewModels);
+                ListHelpers.InPlaceUpdateList(Items, newViewModels, out removedItems);
+
+                // DO NOT ThrowIfCancellationRequested AFTER THIS! If you do,
+                // you'll clean up list items that we've now transferred into
+                // .Items
+            }
+
+            // If we removed items, we need to clean them up, to remove our event handlers
+            foreach (var removedItem in removedItems)
+            {
+                removedItem.SafeCleanup();
             }
 
             // TODO: Iterate over everything in Items, and prune items from the
             // cache if we don't need them anymore
         }
+        catch (OperationCanceledException)
+        {
+            // Cancellation is expected, don't treat as error
+
+            // However, if we were cancelled, we didn't actually add these items to
+            // our Items list. Before we release them to the GC, make sure we clean
+            // them up
+            foreach (var vm in newViewModels)
+            {
+                vm.SafeCleanup();
+            }
+
+            return;
+        }
         catch (Exception ex)
         {
             // TODO: Move this within the for loop, so we can catch issues with individual items
@@ -560,6 +609,10 @@ public partial class ListViewModel : PageViewModel, IDisposable
         _cancellationTokenSource?.Cancel();
         _cancellationTokenSource?.Dispose();
         _cancellationTokenSource = null;
+
+        _fetchItemsCancellationTokenSource?.Cancel();
+        _fetchItemsCancellationTokenSource?.Dispose();
+        _fetchItemsCancellationTokenSource = null;
     }
 
     protected override void UnsafeCleanup()
@@ -570,6 +623,7 @@ public partial class ListViewModel : PageViewModel, IDisposable
         EmptyContent = new(new(null), PageContext); // necessary?
 
         _cancellationTokenSource?.Cancel();
+        _fetchItemsCancellationTokenSource?.Cancel();
 
         lock (_listLock)
         {

src/modules/cmdpal/Microsoft.CmdPal.UI/Controls/CommandBar.xaml

@@ -47,7 +47,8 @@
             <Flyout
                 x:Name="ContextMenuFlyout"
                 FlyoutPresenterStyle="{StaticResource ContextMenuFlyoutStyle}"
-                Opened="ContextMenuFlyout_Opened">
+                Opened="ContextMenuFlyout_Opened"
+                ShouldConstrainToRootBounds="False">
                 <cpcontrols:ContextMenu x:Name="ContextControl" />
             </Flyout>
 

src/modules/cmdpal/Microsoft.CmdPal.UI/Helpers/LocalKeyboardListener.cs

@@ -0,0 +1,157 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using ManagedCommon;
+
+using Windows.System;
+using Windows.Win32;
+using Windows.Win32.Foundation;
+using Windows.Win32.UI.WindowsAndMessaging;
+
+namespace Microsoft.CmdPal.UI.Helpers;
+
+/// <summary>
+/// A class that listens for local keyboard events using a Windows hook.
+/// </summary>
+internal sealed class LocalKeyboardListener : IDisposable
+{
+    /// <summary>
+    /// Event that is raised when a key is pressed down.
+    /// </summary>
+    public event EventHandler<LocalKeyboardListenerKeyPressedEventArgs>? KeyPressed;
+
+    private bool _disposed;
+    private UnhookWindowsHookExSafeHandle? _handle;
+    private HOOKPROC? _hookProc; // Keep reference to prevent GC collection
+
+    /// <summary>
+    /// Registers a global keyboard hook to listen for key down events.
+    /// </summary>
+    /// <exception cref="InvalidOperationException">
+    /// Throws if the hook could not be registered, which may happen if the system is unable to set the hook.
+    /// </exception>
+    public void RegisterKeyboardHook()
+    {
+        ObjectDisposedException.ThrowIf(_disposed, this);
+
+        if (_handle is not null && !_handle.IsInvalid)
+        {
+            // Hook is already set
+            return;
+        }
+
+        _hookProc = KeyEventHook;
+        if (!SetWindowKeyHook(_hookProc))
+        {
+            throw new InvalidOperationException("Failed to register keyboard hook.");
+        }
+    }
+
+    /// <summary>
+    /// Attempts to register a global keyboard hook to listen for key down events.
+    /// </summary>
+    /// <returns>
+    /// <see langword="true"/> if the keyboard hook was successfully registered; otherwise, <see langword="false"/>.
+    /// </returns>
+    public bool Start()
+    {
+        if (_disposed)
+        {
+            return false;
+        }
+
+        try
+        {
+            RegisterKeyboardHook();
+            return true;
+        }
+        catch (Exception ex)
+        {
+            Logger.LogError("Failed to register hook", ex);
+            return false;
+        }
+    }
+
+    private void UnregisterKeyboardHook()
+    {
+        if (_handle is not null && !_handle.IsInvalid)
+        {
+            // The SafeHandle should automatically call UnhookWindowsHookEx when disposed
+            _handle.Dispose();
+            _handle = null;
+        }
+
+        _hookProc = null;
+    }
+
+    private bool SetWindowKeyHook(HOOKPROC hookProc)
+    {
+        if (_handle is not null && !_handle.IsInvalid)
+        {
+            // Hook is already set
+            return false;
+        }
+
+        _handle = PInvoke.SetWindowsHookEx(
+            WINDOWS_HOOK_ID.WH_KEYBOARD,
+            hookProc,
+            PInvoke.GetModuleHandle(null),
+            PInvoke.GetCurrentThreadId());
+
+        // Check if the hook was successfully set
+        return _handle is not null && !_handle.IsInvalid;
+    }
+
+    private static bool IsKeyDownHook(LPARAM lParam)
+    {
+        // The 30th bit tells what the previous key state is with 0 being the "UP" state
+        // For more info see https://learn.microsoft.com/windows/win32/winmsg/keyboardproc#lparam-in
+        return ((lParam.Value >> 30) & 1) == 0;
+    }
+
+    private LRESULT KeyEventHook(int nCode, WPARAM wParam, LPARAM lParam)
+    {
+        try
+        {
+            if (nCode >= 0 && IsKeyDownHook(lParam))
+            {
+                InvokeKeyDown((VirtualKey)wParam.Value);
+            }
+        }
+        catch (Exception ex)
+        {
+            Logger.LogError("Failed when invoking key down keyboard hook event", ex);
+        }
+
+        // Call next hook in chain - pass null as first parameter for current hook
+        return PInvoke.CallNextHookEx(null, nCode, wParam, lParam);
+    }
+
+    private void InvokeKeyDown(VirtualKey virtualKey)
+    {
+        if (!_disposed)
+        {
+            KeyPressed?.Invoke(this, new LocalKeyboardListenerKeyPressedEventArgs(virtualKey));
+        }
+    }
+
+    public void Dispose()
+    {
+        Dispose(true);
+        GC.SuppressFinalize(this);
+    }
+
+    private void Dispose(bool disposing)
+    {
+        if (!_disposed)
+        {
+            if (disposing)
+            {
+                UnregisterKeyboardHook();
+            }
+
+            _disposed = true;
+        }
+    }
+}

src/modules/cmdpal/Microsoft.CmdPal.UI/Helpers/LocalKeyboardListenerKeyPressedEventArgs.cs

@@ -0,0 +1,12 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Windows.System;
+
+namespace Microsoft.CmdPal.UI.Helpers;
+
+public class LocalKeyboardListenerKeyPressedEventArgs(VirtualKey key) : EventArgs
+{
+    public VirtualKey Key { get; } = key;
+}

src/modules/cmdpal/Microsoft.CmdPal.UI/MainWindow.xaml.cs

@@ -27,6 +27,7 @@ using Microsoft.Windows.AppLifecycle;
 using Windows.ApplicationModel.Activation;
 using Windows.Foundation;
 using Windows.Graphics;
+using Windows.System;
 using Windows.UI;
 using Windows.UI.WindowManagement;
 using Windows.Win32;
@@ -44,7 +45,8 @@ public sealed partial class MainWindow : WindowEx,
     IRecipient<DismissMessage>,
     IRecipient<ShowWindowMessage>,
     IRecipient<HideWindowMessage>,
-    IRecipient<QuitMessage>
+    IRecipient<QuitMessage>,
+    IDisposable
 {
     [System.Diagnostics.CodeAnalysis.SuppressMessage("StyleCop.CSharp.NamingRules", "SA1310:Field names should not contain underscore", Justification = "Stylistically, window messages are WM_")]
     [System.Diagnostics.CodeAnalysis.SuppressMessage("StyleCop.CSharp.NamingRules", "SA1306:Field names should begin with lower-case letter", Justification = "Stylistically, window messages are WM_")]
@@ -54,6 +56,7 @@ public sealed partial class MainWindow : WindowEx,
     private readonly WNDPROC? _originalWndProc;
     private readonly List<TopLevelHotkey> _hotkeys = [];
     private readonly KeyboardListener _keyboardListener;
+    private readonly LocalKeyboardListener _localKeyboardListener;
     private bool _ignoreHotKeyWhenFullScreen = true;
 
     private DesktopAcrylicController? _acrylicController;
@@ -116,6 +119,18 @@ public sealed partial class MainWindow : WindowEx,
         {
             Summon(string.Empty);
         });
+
+        _localKeyboardListener = new LocalKeyboardListener();
+        _localKeyboardListener.KeyPressed += LocalKeyboardListener_OnKeyPressed;
+        _localKeyboardListener.Start();
+    }
+
+    private static void LocalKeyboardListener_OnKeyPressed(object? sender, LocalKeyboardListenerKeyPressedEventArgs e)
+    {
+        if (e.Key == VirtualKey.GoBack)
+        {
+            WeakReferenceMessenger.Default.Send(new GoBackMessage());
+        }
     }
 
     private void SettingsChangedHandler(SettingsModel sender, object? args) => HotReloadSettings();
@@ -376,6 +391,7 @@ public sealed partial class MainWindow : WindowEx,
         // WinUI bug is causing a crash on shutdown when FailFastOnErrors is set to true (#51773592).
         // Workaround by turning it off before shutdown.
         App.Current.DebugSettings.FailFastOnErrors = false;
+        _localKeyboardListener.Dispose();
         DisposeAcrylic();
 
         _keyboardListener.Stop();
@@ -682,4 +698,10 @@ public sealed partial class MainWindow : WindowEx,
 
         return PInvoke.CallWindowProc(_originalWndProc, hwnd, uMsg, wParam, lParam);
     }
+
+    public void Dispose()
+    {
+        _localKeyboardListener.Dispose();
+        DisposeAcrylic();
+    }
 }

src/modules/cmdpal/Microsoft.CmdPal.UI/NativeMethods.txt

@@ -47,4 +47,10 @@ DWM_CLOAKED_APP
 
 CoWaitForMultipleObjects
 INFINITE
-CWMO_FLAGS 
+CWMO_FLAGS
+
+GetCurrentThreadId
+SetWindowsHookEx
+UnhookWindowsHookEx
+CallNextHookEx
+GetModuleHandle

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.WindowsTerminal/Pages/ProfilesListPage.cs

@@ -8,7 +8,6 @@ using Microsoft.CmdPal.Ext.WindowsTerminal.Helpers;
 using Microsoft.CmdPal.Ext.WindowsTerminal.Properties;
 using Microsoft.CommandPalette.Extensions;
 using Microsoft.CommandPalette.Extensions.Toolkit;
-using Microsoft.UI.Xaml.Media.Imaging;
 
 namespace Microsoft.CmdPal.Ext.WindowsTerminal.Pages;
 
@@ -16,7 +15,6 @@ internal sealed partial class ProfilesListPage : ListPage
 {
     private readonly TerminalQuery _terminalQuery = new();
     private readonly SettingsManager _terminalSettings;
-    private readonly Dictionary<string, BitmapImage> _logoCache = [];
 
     private bool showHiddenProfiles;
     private bool openNewTab;
@@ -54,14 +52,6 @@ internal sealed partial class ProfilesListPage : ListPage
                 MoreCommands = [
                     new CommandContextItem(new LaunchProfileAsAdminCommand(profile.Terminal.AppUserModelId, profile.Name, openNewTab, openQuake)),
                 ],
-
-                // Icon = () => GetLogo(profile.Terminal),
-                // Action = _ =>
-                // {
-                //    Launch(profile.Terminal.AppUserModelId, profile.Name);
-                //    return true;
-                // },
-                // ContextData = profile,
 #pragma warning restore SA1108
             });
         }
@@ -70,17 +60,4 @@ internal sealed partial class ProfilesListPage : ListPage
     }
 
     public override IListItem[] GetItems() => Query().ToArray();
-
-    private BitmapImage GetLogo(TerminalPackage terminal)
-    {
-        var aumid = terminal.AppUserModelId;
-
-        if (!_logoCache.TryGetValue(aumid, out var value))
-        {
-            value = terminal.GetLogo();
-            _logoCache.Add(aumid, value);
-        }
-
-        return value;
-    }
 }

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.WindowsTerminal/TerminalPackage.cs

@@ -5,7 +5,6 @@
 using System;
 using System.IO;
 using ManagedCommon;
-using Microsoft.UI.Xaml.Media.Imaging;
 
 // using Wox.Infrastructure.Image;
 namespace Microsoft.CmdPal.Ext.WindowsTerminal;
@@ -30,23 +29,4 @@ public class TerminalPackage
         SettingsPath = settingsPath;
         LogoPath = logoPath;
     }
-
-    public BitmapImage GetLogo()
-    {
-        var image = new BitmapImage();
-
-        if (File.Exists(LogoPath))
-        {
-            using var fileStream = File.OpenRead(LogoPath);
-            image.SetSource(fileStream.AsRandomAccessStream());
-        }
-        else
-        {
-            // Not using wox anymore, TODO: find the right new way to handle this
-            // image.UriSource = new Uri(ImageLoader.ErrorIconPath);
-            Logger.LogError($"Logo file not found: {LogoPath}");
-        }
-
-        return image;
-    }
 }

src/modules/cmdpal/extensionsdk/Microsoft.CommandPalette.Extensions.Toolkit/ListHelpers.cs

@@ -65,12 +65,32 @@ public partial class ListHelpers
     public static void InPlaceUpdateList<T>(IList<T> original, IEnumerable<T> newContents)
         where T : class
     {
+        InPlaceUpdateList(original, newContents, out _);
+    }
+
+    /// <summary>
+    /// Modifies the contents of `original` in-place, to match those of
+    /// `newContents`. The canonical use being:
+    /// ```cs
+    /// ListHelpers.InPlaceUpdateList(FilteredItems, FilterList(ItemsToFilter, TextToFilterOn));
+    /// ```
+    /// </summary>
+    /// <typeparam name="T">Any type that can be compared for equality</typeparam>
+    /// <param name="original">Collection to modify</param>
+    /// <param name="newContents">The enumerable which `original` should match</param>
+    /// <param name="removedItems">List of items that were removed from the original collection</param>
+    public static void InPlaceUpdateList<T>(IList<T> original, IEnumerable<T> newContents, out List<T> removedItems)
+        where T : class
+    {
+        removedItems = [];
+
         // we're not changing newContents - stash this so we don't re-evaluate it every time
         var numberOfNew = newContents.Count();
 
         // Short circuit - new contents should just be empty
         if (numberOfNew == 0)
         {
+            removedItems.AddRange(original);
             original.Clear();
             return;
         }
@@ -92,6 +112,7 @@ public partial class ListHelpers
                     for (var k = i; k < j; k++)
                     {
                         // This item from the original list was not in the new list. Remove it.
+                        removedItems.Add(original[i]);
                         original.RemoveAt(i);
                     }
 
@@ -120,6 +141,7 @@ public partial class ListHelpers
         while (original.Count > numberOfNew)
         {
             // RemoveAtEnd
+            removedItems.Add(original[original.Count - 1]);
             original.RemoveAt(original.Count - 1);
         }
 

src/modules/cmdpal/extensionsdk/Microsoft.CommandPalette.Extensions.Toolkit/Microsoft.CommandPalette.Extensions.Toolkit.csproj

@@ -41,8 +41,6 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.WindowsAppSDK" />
-    <PackageReference Include="Microsoft.Web.WebView2" />
     <PackageReference Include="System.Drawing.Common" />
     <!-- This line forces the WebView2 version used by Windows App SDK to be the one we expect from Directory.Packages.props . -->
   </ItemGroup>

src/modules/cmdpal/extensionsdk/Microsoft.CommandPalette.Extensions/Microsoft.CommandPalette.Extensions.vcxproj

@@ -180,4 +180,4 @@
     <Error Condition="!Exists('$(WasdkNuget)\build\native\Microsoft.WindowsAppSDK.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(WasdkNuget)\build\native\Microsoft.WindowsAppSDK.targets'))" />
     <Error Condition="!Exists('$(WebView2Nuget)\build\native\Microsoft.Web.WebView2.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(WebView2Nuget)\build\native\Microsoft.Web.WebView2.targets'))" />
   </Target>
-</Project>
+</Project>

src/modules/cmdpal/extensionsdk/Microsoft.CommandPalette.Extensions/packages.config

@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Microsoft.Web.WebView2" version="1.0.2903.40" targetFramework="native" />
   <package id="Microsoft.Windows.CppWinRT" version="2.0.240111.5" targetFramework="native" />
   <package id="Microsoft.Windows.SDK.BuildTools" version="10.0.26100.4188" targetFramework="native" />
-  <package id="Microsoft.WindowsAppSDK" version="1.7.250513003" targetFramework="native" />
 </packages>

src/settings-ui/Settings.UI.Library/HostsProperties.cs

@@ -24,6 +24,9 @@ namespace Microsoft.PowerToys.Settings.UI.Library
 
         public HostsEncoding Encoding { get; set; }
 
+        [JsonConverter(typeof(BoolPropertyJsonConverter))]
+        public bool NoLeadingSpaces { get; set; }
+
         public HostsProperties()
         {
             ShowStartupWarning = true;
@@ -31,6 +34,7 @@ namespace Microsoft.PowerToys.Settings.UI.Library
             LoopbackDuplicates = false;
             AdditionalLinesPosition = HostsAdditionalLinesPosition.Top;
             Encoding = HostsEncoding.Utf8;
+            NoLeadingSpaces = false;
         }
     }
 }

src/settings-ui/Settings.UI/SettingsXAML/App.xaml.cs

@@ -320,7 +320,6 @@ namespace Microsoft.PowerToys.Settings.UI
                 WindowHelpers.ForceTopBorder1PixelInsetOnWindows10(WindowNative.GetWindowHandle(settingsWindow));
                 settingsWindow.Activate();
                 settingsWindow.NavigateToSection(StartupPage);
-                ShowMessageDialog("The application is running in Debug mode.", "DEBUG");
 #else
                 /* If we try to run Settings as a standalone app, it will start PowerToys.exe if not running and open Settings again through it in the Dashboard page. */
                 Common.UI.SettingsDeepLink.OpenSettings(Common.UI.SettingsDeepLink.SettingsWindow.Dashboard, true);
@@ -329,31 +328,6 @@ namespace Microsoft.PowerToys.Settings.UI
             }
         }
 
-#if !DEBUG
-        private async void ShowMessageDialogAndExit(string content, string title = null)
-#else
-        private async void ShowMessageDialog(string content, string title = null)
-#endif
-        {
-            await ShowDialogAsync(content, title);
-#if !DEBUG
-            this.Exit();
-#endif
-        }
-
-        public static Task<IUICommand> ShowDialogAsync(string content, string title = null)
-        {
-            var dialog = new MessageDialog(content, title ?? string.Empty);
-            var handle = NativeMethods.GetActiveWindow();
-            if (handle == IntPtr.Zero)
-            {
-                throw new InvalidOperationException();
-            }
-
-            InitializeWithWindow.Initialize(dialog, handle);
-            return dialog.ShowAsync().AsTask<IUICommand>();
-        }
-
         public static TwoWayPipeMessageIPCManaged GetTwoWayIPCManager()
         {
             return ipcmanager;

src/settings-ui/Settings.UI/SettingsXAML/Controls/KeyVisual/KeyCharPresenter.xaml

@@ -49,6 +49,40 @@
             </Setter.Value>
         </Setter>
     </Style>
+    <Style
+        x:Key="OfficeKeyCharPresenterStyle"
+        BasedOn="{StaticResource DefaultKeyCharPresenterStyle}"
+        TargetType="local:KeyCharPresenter">
+        <!--  Scale to visually align the height of the Office logo and text  -->
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="local:KeyCharPresenter">
+                    <Grid Height="{TemplateBinding FontSize}">
+                        <Viewbox>
+                            <PathIcon Data="M1792 405v1238q0 33-10 62t-28 54-44 41-57 27l-555 159q-23 6-47 6-31 0-58-8t-53-24l-363-205q-20-11-31-29t-12-42q0-35 24-59t60-25h470V458L735 584q-43 15-69 53t-26 83v651q0 41-20 73t-55 53l-167 91q-23 12-46 12-40 0-68-28t-28-68V587q0-51 26-96t71-71L949 81q41-23 89-23 17 0 30 2t30 8l555 153q31 9 56 27t44 42 29 54 10 61zm-128 1238V405q0-22-13-38t-34-23l-273-75-64-18-64-18v1586l401-115q21-6 34-22t13-39z" />
+                        </Viewbox>
+                    </Grid>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+    <Style
+        x:Key="CopilotKeyCharPresenterStyle"
+        BasedOn="{StaticResource DefaultKeyCharPresenterStyle}"
+        TargetType="local:KeyCharPresenter">
+        <!--  Scale to visually align the height of the Copilot logo and text  -->
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="local:KeyCharPresenter">
+                    <Grid Height="{TemplateBinding FontSize}">
+                        <Viewbox>
+                            <PathIcon Data="M0 1213q0-60 10-124t27-130 35-129 38-121q18-55 41-119t54-129 70-125 87-106 106-74 129-28h661q59 0 114 17t96 64q30 34 46 72t33 81l22 58q11 29 34 52 23 25 56 31t65 9h4q157 0 238 83t82 240q0 60-10 125t-27 130-35 128-38 121q-18 55-41 119t-54 129-70 125-87 106-106 74-129 28H790q-61 0-107-15t-82-44-61-72-46-98q-11-29-24-60t-35-55q-23-25-51-31t-60-9h-4q-157 0-238-83T0 1213zm598-957q-50 0-93 25t-79 68-67 94-54 108-42 106-31 91q-17 51-35 110t-33 119-26 121-10 114q0 102 43 149t147 47h163q39 0 74-12t64-35 50-53 34-67q19-58 35-115t35-117q35-117 70-232t72-233q23-73 47-147t63-141H598zm452 285q69-29 143-29h281q-18-29-29-59t-21-58-21-54-30-44-46-30-69-11q-32 0-60 9t-48 35q-17 23-31 53t-27 63-23 65-19 60zm-296 867h101q39 0 74-12t66-34 52-52 33-68l58-191 42-140q21-70 43-140 11-36 28-69t43-62h-101q-39 0-74 12t-66 34-52 52-33 68q-15 48-29 96t-29 96q-21 70-41 140t-44 140q-11 36-28 68t-43 62zm814-768q-39 0-74 12t-64 35-50 53-34 68q-56 174-107 347t-106 349q-23 74-47 147t-63 141h427q50 0 93-25t79-68 67-94 54-108 42-106 31-91q16-51 34-110t34-119 26-121 10-114q0-102-43-149t-147-47h-162zm-570 867q-69 29-143 29H564q17 28 29 58t22 58 24 54 32 45 48 30 71 11q31 0 60-8t49-35q15-19 29-50t28-65 24-69 18-58z" />
+                        </Viewbox>
+                    </Grid>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
     <Style
         x:Key="GlyphKeyCharPresenterStyle"
         BasedOn="{StaticResource DefaultKeyCharPresenterStyle}"

src/settings-ui/Settings.UI/SettingsXAML/Controls/KeyVisual/KeyVisual.xaml.cs

@@ -95,9 +95,23 @@ namespace Microsoft.PowerToys.Settings.UI.Controls
                 return;
             }
 
-            if (Content is string)
+            if (Content is string key)
             {
-                _keyPresenter.Style = (Style)Application.Current.Resources["DefaultKeyCharPresenterStyle"];
+                switch (key)
+                {
+                    case "Copilot":
+                        _keyPresenter.Style = (Style)Application.Current.Resources["CopilotKeyCharPresenterStyle"];
+                        break;
+
+                    case "Office":
+                        _keyPresenter.Style = (Style)Application.Current.Resources["OfficeKeyCharPresenterStyle"];
+                        break;
+
+                    default:
+                        _keyPresenter.Style = (Style)Application.Current.Resources["DefaultKeyCharPresenterStyle"];
+                        break;
+                }
+
                 return;
             }
 

src/settings-ui/Settings.UI/SettingsXAML/Views/HostsPage.xaml

@@ -56,6 +56,9 @@
                     <tkcontrols:SettingsCard x:Uid="Hosts_Toggle_LoopbackDuplicates" HeaderIcon="{ui:FontIcon Glyph=&#xEC27;}">
                         <ToggleSwitch x:Uid="ToggleSwitch" IsOn="{x:Bind ViewModel.LoopbackDuplicates, Mode=TwoWay}" />
                     </tkcontrols:SettingsCard>
+                    <tkcontrols:SettingsCard x:Uid="Hosts_NoLeadingSpaces" HeaderIcon="{ui:FontIcon Glyph=&#xE8A5;}">
+                        <ToggleSwitch x:Uid="ToggleSwitch" IsOn="{x:Bind ViewModel.NoLeadingSpaces, Mode=TwoWay}" />
+                    </tkcontrols:SettingsCard>
                     <tkcontrols:SettingsCard x:Uid="Hosts_Encoding">
                         <ComboBox MinWidth="{StaticResource SettingActionControlMinWidth}" SelectedIndex="{x:Bind Path=ViewModel.Encoding, Mode=TwoWay}">
                             <ComboBoxItem x:Uid="Hosts_Encoding_Utf8" />

src/settings-ui/Settings.UI/Strings/en-us/Resources.resw

@@ -5127,4 +5127,10 @@ To record a specific window, enter the hotkey with the Alt key in the opposite m
   <data name="KeyBack" xml:space="preserve">
     <value>Back key</value>
   </data>
+  <data name="Hosts_NoLeadingSpaces.Header" xml:space="preserve">
+    <value>No leading spaces</value>
+  </data>
+  <data name="Hosts_NoLeadingSpaces.Description" xml:space="preserve">
+    <value>Do not prepend spaces to active lines when saving the hosts file</value>
+  </data>
 </root>

src/settings-ui/Settings.UI/ViewModels/HostsViewModel.cs

@@ -105,6 +105,19 @@ namespace Microsoft.PowerToys.Settings.UI.ViewModels
             }
         }
 
+        public bool NoLeadingSpaces
+        {
+            get => Settings.Properties.NoLeadingSpaces;
+            set
+            {
+                if (value != Settings.Properties.NoLeadingSpaces)
+                {
+                    Settings.Properties.NoLeadingSpaces = value;
+                    NotifyPropertyChanged();
+                }
+            }
+        }
+
         public int AdditionalLinesPosition
         {
             get => (int)Settings.Properties.AdditionalLinesPosition;