Add main menu bare bones

ILSpy.Tests/MainMenuTests.cs

@@ -0,0 +1,49 @@
+// Copyright (c) 2026 AlphaSierraPapa for the SharpDevelop Team
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this
+// software and associated documentation files (the "Software"), to deal in the Software
+// without restriction, including without limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
+// to whom the Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+using System.Linq;
+
+using Avalonia.Controls;
+using Avalonia.Headless.NUnit;
+
+using AwesomeAssertions;
+
+using ILSpy;
+
+using NUnit.Framework;
+
+namespace ICSharpCode.ILSpy.Tests;
+
+// MainMenu's top-level structure (File / View / Window with mnemonic underscores) is the
+// scaffolding every later commit hangs items onto via MEF. If a future commit accidentally
+// drops one of these top-levels or shuffles the order, the [ExportMainMenuCommand] entries
+// that target them by header would silently land in the wrong menu.
+[TestFixture]
+public class MainMenuTests
+{
+	[AvaloniaTest]
+	public void MainMenu_top_level_items_are_File_View_Window_in_order()
+	{
+		var mainMenu = new MainMenu();
+		var menu = mainMenu.FindControl<Menu>("Menu");
+		menu.Should().NotBeNull();
+
+		var headers = menu!.Items.OfType<MenuItem>().Select(m => m.Header as string).ToList();
+		headers.Should().Equal("_File", "_View", "_Window");
+	}
+}

ILSpy/App.axaml.cs

@@ -56,9 +56,8 @@ namespace ILSpy
 
 			if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
 			{
-				desktop.MainWindow = new MainWindow {
-					DataContext = new MainWindowViewModel(),
-				};
+				desktop.MainWindow = Composition?.GetExport<MainWindow>()
+					?? new MainWindow();
 				desktop.Exit += (_, _) => Composition?.Dispose();
 			}
 

ILSpy/ViewModels/MainWindowViewModel.cs

@@ -16,10 +16,18 @@
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
 
+using System.Composition;
+
 namespace ILSpy.ViewModels
 {
+	[Export]
+	[Shared]
 	public partial class MainWindowViewModel : ViewModelBase
 	{
-		public string Greeting { get; } = "Welcome to Avalonia!";
+		public MainWindowViewModel()
+		{
+		}
+
+		public string Title => "ILSpy";
 	}
-}
+}

ILSpy/Views/MainMenu.axaml

@@ -2,11 +2,17 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="23"
              x:Class="ILSpy.MainMenu">
-  <Menu DockPanel.Dock="Top" Name="Menu" Height="23" KeyboardNavigation.TabNavigation="None">
-	  <MenuItem Header="_File" Tag="_File">
-		  <!-- content of file menu is added using MEF -->
-		  </MenuItem>
-  </Menu>
+	<Menu DockPanel.Dock="Top" Name="Menu" Height="23">
+		<MenuItem Header="_File" Tag="_File">
+			<!-- MEF-populated content (task #10) -->
+		</MenuItem>
+		<MenuItem Header="_View" Tag="_View">
+			<!-- API visibility toggles, theme selection, etc. wired in task #10 / #3 -->
+		</MenuItem>
+		<MenuItem Header="_Window" Name="WindowMenuItem" Tag="_Window">
+			<!-- Tool-pane / tab-page entries wired in task #10 -->
+		</MenuItem>
+	</Menu>
 </UserControl>

ILSpy/Views/MainMenu.axaml.cs

@@ -16,9 +16,7 @@
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
 
-using Avalonia;
 using Avalonia.Controls;
-using Avalonia.Markup.Xaml;
 
 namespace ILSpy;
 
@@ -28,4 +26,4 @@ public partial class MainMenu : UserControl
 	{
 		InitializeComponent();
 	}
-}
+}

ILSpy/Views/MainWindow.axaml

@@ -1,24 +1,36 @@
 <Window xmlns="https://github.com/avaloniaui"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:vm="using:ILSpy.ViewModels"
-		xmlns:local="using:ILSpy"
+        xmlns:local="using:ILSpy"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="500"
         x:Class="ILSpy.Views.MainWindow"
         x:DataType="vm:MainWindowViewModel"
         Icon="/Assets/ILSpy.ico"
-        Title="ILSpy">
+        MinWidth="250" MinHeight="200"
+        UseLayoutRounding="True"
+        Title="{Binding Title}">
 
-    <Design.DataContext>
-        <!-- This only sets the DataContext for the previewer in an IDE,
-             to set the actual DataContext for runtime, set the DataContext property in code (look at App.axaml.cs) -->
-        <vm:MainWindowViewModel/>
-    </Design.DataContext>
+	<Design.DataContext>
+		<vm:MainWindowViewModel />
+	</Design.DataContext>
 
 	<DockPanel>
+		<!-- Main menu -->
 		<local:MainMenu DockPanel.Dock="Top" />
 
-	</DockPanel>
+		<!-- Status bar (hidden by default, like WPF) -->
+		<Border DockPanel.Dock="Bottom" Height="26" IsVisible="False" Name="statusBar">
+			<TextBlock VerticalAlignment="Center" HorizontalAlignment="Right"
+			           Margin="8,0" Name="statusLabel" Text="Stand by..." />
+		</Border>
 
+		<!-- Placeholder for DockingManager (task #4: replace with Dock.Avalonia) -->
+		<ContentControl Name="DockHost">
+			<TextBlock HorizontalAlignment="Center" VerticalAlignment="Center"
+			           Foreground="Gray" FontStyle="Italic"
+			           Text="Docking workspace will appear here." />
+		</ContentControl>
+	</DockPanel>
 </Window>

ILSpy/Views/MainWindow.axaml.cs

@@ -16,15 +16,27 @@
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
 
+using System.Composition;
+
 using Avalonia.Controls;
 
+using ILSpy.ViewModels;
+
 namespace ILSpy.Views
 {
+	[Export]
+	[Shared]
 	public partial class MainWindow : Window
 	{
 		public MainWindow()
 		{
 			InitializeComponent();
 		}
+
+		[ImportingConstructor]
+		public MainWindow(MainWindowViewModel viewModel) : this()
+		{
+			DataContext = viewModel;
+		}
 	}
-}
+}