Remove some stuff we don't use

src/modules/cmdpal/WindowsCommandPalette/MainWindow.xaml

@@ -8,48 +8,10 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     Closed="MainWindow_Closed"
     mc:Ignorable="d">
-    <Grid x:Name="RootGrid">
-        <Grid.RowDefinitions>
-            <RowDefinition Height="Auto" />
-            <RowDefinition />
-        </Grid.RowDefinitions>
-        <Grid
-            x:Name="AppTitleBar"
-            Height="0"
-            Background="Transparent">
-            <!--  Width of the padding columns is set in LayoutMetricsChanged handler.  -->
-            <!--
-                Using padding columns instead of Margin ensures that the background
-                paints the area under the caption control buttons (for transparent buttons).
-            -->
-            <Grid.ColumnDefinitions>
-                <ColumnDefinition x:Name="LeftPaddingColumn" Width="0" />
-                <ColumnDefinition />
-                <ColumnDefinition x:Name="RightPaddingColumn" Width="0" />
-            </Grid.ColumnDefinitions>
-            <StackPanel Grid.Column="1" Orientation="Horizontal">
-                <Image
-                    Width="16"
-                    Height="16"
-                    Margin="8,0,0,0"
-                    HorizontalAlignment="Left"
-                    Source="Assets/WindowIcon.png" />
-                <TextBlock
-                    x:Name="AppTitleTextBlock"
-                    Grid.Column="1"
-                    Margin="28,0,0,0"
-                    VerticalAlignment="Center"
-                    Style="{StaticResource CaptionTextBlockStyle}"
-                    Text="App title"
-                    Visibility="Collapsed" />
-            </StackPanel>
-        </Grid>
-        <Grid
-            x:Name="ContentGrid"
-            Grid.Row="1"
-            HorizontalAlignment="Stretch"
-            VerticalAlignment="Stretch">
-            <cmdpal:MainPage x:Name="MainPage" />
-        </Grid>
+
+    <Grid
+        HorizontalAlignment="Stretch"
+        VerticalAlignment="Stretch">
+        <cmdpal:MainPage x:Name="MainPage" />
     </Grid>
 </Window>

src/modules/cmdpal/WindowsCommandPalette/MainWindow.xaml.cs

@@ -7,15 +7,11 @@ using System.Text.RegularExpressions;
 using Microsoft.CmdPal.Common.Contracts;
 using Microsoft.CmdPal.Common.Extensions;
 using Microsoft.CmdPal.Common.Services;
-using Microsoft.UI;
 using Microsoft.UI.Composition;
 using Microsoft.UI.Composition.SystemBackdrops;
-using Microsoft.UI.Input;
 using Microsoft.UI.Windowing;
 using Microsoft.UI.Xaml;
-using Microsoft.UI.Xaml.Media;
 using Microsoft.Win32;
-using Windows.ApplicationModel;
 using Windows.Foundation;
 using Windows.Graphics;
 using Windows.System;
@@ -95,15 +91,11 @@ public sealed partial class MainWindow : Window
         _appWindow = AppWindow;
 
         Activated += MainWindow_Activated;
-        AppTitleBar.SizeChanged += AppTitleBar_SizeChanged;
         SetAcrylic();
         ExtendsContentIntoTitleBar = true;
 
         // Hide our titlebar. We'll make the sides draggable later
         _appWindow.TitleBar.PreferredHeightOption = TitleBarHeightOption.Collapsed;
-        AppTitleTextBlock.Text = AppInfo.Current.DisplayInfo.DisplayName;
-
-        _appWindow.Title = AppTitleTextBlock.Text;
 
         Application.Current.GetService<ILocalSettingsService>().SaveSettingAsync("ThisIsAVeryBizarreString", true);
 
@@ -204,61 +196,6 @@ public sealed partial class MainWindow : Window
         Windows.Win32.PInvoke.ShowWindow(hwnd, Windows.Win32.UI.WindowsAndMessaging.SHOW_WINDOW_CMD.SW_HIDE);
     }
 
-    private void AppTitleBar_Loaded(object sender, RoutedEventArgs e)
-    {
-        if (ExtendsContentIntoTitleBar == true)
-        {
-            // Set the initial interactive regions.
-            SetRegionsForCustomTitleBar();
-        }
-    }
-
-    private void AppTitleBar_SizeChanged(object sender, SizeChangedEventArgs e)
-    {
-        if (ExtendsContentIntoTitleBar == true)
-        {
-            // Update interactive regions if the size of the window changes.
-            SetRegionsForCustomTitleBar();
-        }
-    }
-
-    private void SetRegionsForCustomTitleBar()
-    {
-        // Specify the interactive regions of the title bar.
-        var scaleAdjustment = AppTitleBar.XamlRoot.RasterizationScale;
-
-        RightPaddingColumn.Width = new GridLength(_appWindow.TitleBar.RightInset / scaleAdjustment);
-        LeftPaddingColumn.Width = new GridLength(_appWindow.TitleBar.LeftInset / scaleAdjustment);
-
-        //// Get the rectangle around the content
-        GeneralTransform transform = MainPage.TransformToVisual(null);
-        Rect bounds = transform.TransformBounds(new Rect(
-            0,
-            0,
-            MainPage.ActualWidth,
-            MainPage.ActualHeight));
-        var contentRect = GetRect(bounds, scaleAdjustment);
-
-        var rectArray = new RectInt32[] { contentRect };
-
-        InputNonClientPointerSource nonClientInputSrc =
-            InputNonClientPointerSource.GetForWindowId(this.AppWindow.Id);
-        nonClientInputSrc.SetRegionRects(NonClientRegionKind.Passthrough, rectArray);
-
-        // Add four drag-able regions, around the sides of our content
-        var w = ContentGrid.ActualWidth;
-        var h = ContentGrid.ActualHeight;
-        var dragSides = new RectInt32[]
-        {
-            GetRect(new Rect(0, 0, w, 24), scaleAdjustment),
-            GetRect(new Rect(0, h - 24, ContentGrid.ActualWidth, 24), scaleAdjustment),
-            GetRect(new Rect(0, 0, 24, h), scaleAdjustment),
-            GetRect(new Rect(w - 24, 0, 24, h), scaleAdjustment),
-        };
-
-        nonClientInputSrc.SetRegionRects(NonClientRegionKind.Caption, dragSides);
-    }
-
     private static RectInt32 GetRect(Rect bounds, double scale)
     {
         return new RectInt32(
@@ -272,8 +209,6 @@ public sealed partial class MainWindow : Window
     {
         if (args.WindowActivationState == WindowActivationState.Deactivated)
         {
-            AppTitleTextBlock.Foreground = (SolidColorBrush)App.Current.Resources["WindowCaptionForegroundDisabled"];
-
             _configurationSource.IsInputActive = false;
 
             // If there's a debugger attached...
@@ -289,7 +224,6 @@ public sealed partial class MainWindow : Window
         }
         else
         {
-            AppTitleTextBlock.Foreground = (SolidColorBrush)App.Current.Resources["WindowCaptionForeground"];
             _configurationSource.IsInputActive = true;
         }
     }

src/modules/cmdpal/WindowsCommandPalette/Views/MainPage.xaml

@@ -7,13 +7,8 @@
     xmlns:local="using:WindowsCommandPalette.Views"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     Background="Transparent"
-    Loaded="Page_Loaded"
     mc:Ignorable="d">
 
-    <Page.Resources>
-        <ResourceDictionary />
-    </Page.Resources>
-
     <Grid
         HorizontalAlignment="Stretch"
         VerticalAlignment="Stretch"

src/modules/cmdpal/WindowsCommandPalette/Views/MainPage.xaml.cs

@@ -69,15 +69,11 @@ public sealed partial class MainPage : Page
         }
     }
 
-    private void Page_Loaded(object sender, RoutedEventArgs e)
-    {
-    }
-
     private async Task LoadAllCommands()
     {
         ViewModel.ResetTopLevel();
 
-        // Load builtins syncronously...
+        // Load builtins synchronously...
         await LoadBuiltinCommandsAsync();
 
         // ...and extensions on a fire_and_forget