chore: bump version to 12.0.0-rc2.

* chore: AppBar -> CommanrBar.

* feat: Add keyboard navigation for overflow CommandBar popup.

* chore: Style -> Theme in PipsPager.

* chore: add Header/Footer templates to DrawerPage.

* feaa: hide caption buttons when the platform does not support the action.

* feat: Touch Improvements to TextBox.

* chore: remove Opacity from PART_Placeholder.

* feat: enable access key recognition for GroupBox.

* feat: limit label text to a single line in CommandBar.

.github/workflows/deploy.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup dotnet
         uses: actions/setup-dotnet@v5
@@ -32,7 +32,7 @@ jobs:
         run: touch $OUTPUT_PATH/.nojekyll
 
       - name: Commit wwwroot to GitHub Pages
-        uses: JamesIves/github-pages-deploy-action@v4.5.0
+        uses: JamesIves/github-pages-deploy-action@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           branch: gh-pages

.github/workflows/pack-nightly.yml

@@ -31,7 +31,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Get Version
         run: |
@@ -62,7 +62,7 @@ jobs:
         run: dotnet nuget push "nugets/*.nupkg" --api-key ${{ secrets.IRIHI_NUGET_API_KEY }} --source irihi.tech --skip-duplicate
 
       - name: Upload a Build Artifact
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@v7
         with:
           name: nugets
           path: nugets

.github/workflows/pack.yml

@@ -47,7 +47,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Pack Semi.Avalonia
         if: ${{ inputs.Semi_Avalonia }}
@@ -70,7 +70,7 @@ jobs:
         run: dotnet nuget push "nugets/*.nupkg" --api-key ${{ secrets.NUGET_ORG_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate
 
       - name: Upload a Build Artifact
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@v7
         with:
           name: nugets
           path: nugets

.github/workflows/publish.yml

@@ -75,11 +75,11 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Publish win-x64
         run: dotnet publish demo/Semi.Avalonia.Demo.Desktop -r win-x64 -c Release -o publish --sc /p:PublishSingleFile=true /p:IncludeNativeLibrariesForSelfExtract=true
       - name: Upload a Build Artifact
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@v7
         with:
           name: Semi.Avalonia.Demo.Desktop.win-x64
           path: |
@@ -91,13 +91,13 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Enable Native AOT in .csproj
         run: sed -i 's#<!--<PublishAot>true</PublishAot>-->#<PublishAot>true</PublishAot>#' demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj
       - name: Publish win-x64 AOT
         run: dotnet publish demo/Semi.Avalonia.Demo.Desktop -r win-x64 -c Release -o publish
       - name: Upload a Build Artifact
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@v7
         with:
           name: Semi.Avalonia.Demo.Desktop.win-x64.NativeAOT
           path: |
@@ -109,11 +109,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Publish linux-x64
         run: dotnet publish demo/Semi.Avalonia.Demo.Desktop -r linux-x64 -c Release -o publish --sc /p:PublishSingleFile=true /p:IncludeNativeLibrariesForSelfExtract=true
       - name: Upload a Build Artifact
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@v7
         with:
           name: Semi.Avalonia.Demo.Desktop.linux-x64
           path: |
@@ -125,13 +125,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Enable Native AOT in .csproj
         run: sed -i 's#<!--<PublishAot>true</PublishAot>-->#<PublishAot>true</PublishAot>#' demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj
       - name: Publish linux-x64 AOT
         run: dotnet publish demo/Semi.Avalonia.Demo.Desktop -r linux-x64 -c Release -o publish
       - name: Upload a Build Artifact
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@v7
         with:
           name: Semi.Avalonia.Demo.Desktop.linux-x64.NativeAOT
           path: |
@@ -143,11 +143,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Publish linux-x64 DRM
         run: dotnet publish demo/Semi.Avalonia.Demo.Drm -r linux-x64 -c Release -o publish --sc /p:PublishSingleFile=true /p:IncludeNativeLibrariesForSelfExtract=true
       - name: Upload a Build Artifact
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@v7
         with:
           name: Semi.Avalonia.Demo.Drm.linux-x64
           path: |
@@ -159,13 +159,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Enable Native AOT in .csproj
         run: sed -i 's#<!--<PublishAot>true</PublishAot>-->#<PublishAot>true</PublishAot>#' demo/Semi.Avalonia.Demo.Drm/Semi.Avalonia.Demo.Drm.csproj
       - name: Publish linux-x64 AOT
         run: dotnet publish demo/Semi.Avalonia.Demo.Drm -r linux-x64 -c Release -o publish
       - name: Upload a Build Artifact
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@v7
         with:
           name: Semi.Avalonia.Demo.Drm.linux-x64.NativeAOT
           path: |
@@ -177,11 +177,11 @@ jobs:
     runs-on: macos-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Publish osx-arm64
         run: dotnet publish demo/Semi.Avalonia.Demo.Desktop -r osx-arm64 -c Release -o publish --sc /p:PublishSingleFile=true /p:IncludeNativeLibrariesForSelfExtract=true
       - name: Upload a Build Artifact
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@v7
         with:
           name: Semi.Avalonia.Demo.Desktop.osx-arm64
           path: |
@@ -193,13 +193,13 @@ jobs:
     runs-on: macos-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Enable Native AOT in .csproj
         run: sed -i '' 's#<!--<PublishAot>true</PublishAot>-->#<PublishAot>true</PublishAot>#' demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj
       - name: Publish osx-arm64 AOT
         run: dotnet publish demo/Semi.Avalonia.Demo.Desktop -r osx-arm64 -c Release -o publish
       - name: Upload a Build Artifact
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@v7
         with:
           name: Semi.Avalonia.Demo.Desktop.osx-arm64.NativeAOT
           path: |
@@ -211,7 +211,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Android workload
         run: dotnet workload install android
       - name: Restore Dependencies
@@ -219,7 +219,7 @@ jobs:
       - name: Publish Android
         run: dotnet publish demo/Semi.Avalonia.Demo.Android -c Release -f net10.0-android --no-restore -o publish /p:RuntimeIdentifier=android-arm64
       - name: Upload a Build Artifact
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@v7
         with:
           name: android-arm64
           path: publish/*Signed.apk

.github/workflows/release-tag.yml

@@ -41,7 +41,7 @@ jobs:
     needs: [ nuget,publish ]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/download-artifact@v4.3.0
+      - uses: actions/download-artifact@v8
 
       - name: Display structure of downloaded files
         run: ls -R
@@ -62,7 +62,7 @@ jobs:
         run: ls -R
 
       - name: Release
-        uses: softprops/action-gh-release@v2.3.2
+        uses: softprops/action-gh-release@v2
         if: startsWith(github.ref, 'refs/tags/') || github.event_name == 'workflow_dispatch'
         with:
           generate_release_notes: true

Nuget.Config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+    <packageSources>
+        <add key="avalonia-nightly" value="https://nuget-feed-nightly.avaloniaui.net/v3/index.json" />
+    </packageSources>
+</configuration>

demo/Directory.Packages.props

@@ -1,13 +1,12 @@
 <Project>
     <PropertyGroup>
         <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
-        <AvaloniaVersion>11.3.10</AvaloniaVersion>
-        <DataGridVersion>11.3.10</DataGridVersion>
-        <SkiaSharpVersion>3.119.1</SkiaSharpVersion>
+        <AvaloniaVersion>12.0.0-rc2</AvaloniaVersion>
+        <DataGridVersion>12.0.0-rc2</DataGridVersion>
+        <SkiaSharpVersion>3.119.3-preview.1.1</SkiaSharpVersion>
     </PropertyGroup>
     <ItemGroup>
         <PackageVersion Include="Avalonia" Version="$(AvaloniaVersion)"/>
-        <PackageVersion Include="Avalonia.Diagnostics" Version="$(AvaloniaVersion)" />
         <PackageVersion Include="Avalonia.Desktop" Version="$(AvaloniaVersion)" />
         <PackageVersion Include="Avalonia.LinuxFramebuffer" Version="$(AvaloniaVersion)"/>
         <PackageVersion Include="Avalonia.iOS" Version="$(AvaloniaVersion)" />
@@ -15,13 +14,13 @@
         <PackageVersion Include="Avalonia.Android" Version="$(AvaloniaVersion)" />
         <PackageVersion Include="Avalonia.Controls.ColorPicker" Version="$(AvaloniaVersion)"/>
         <PackageVersion Include="Avalonia.Controls.DataGrid" Version="$(DataGridVersion)"/>
+        <PackageVersion Include="AvaloniaUI.DiagnosticsSupport" Version="2.2.0-beta3"/>
 
         <PackageVersion Include="SkiaSharp" Version="$(SkiaSharpVersion)"/>
         <PackageVersion Include="SkiaSharp.NativeAssets.WebAssembly" Version="$(SkiaSharpVersion)"/>
 
-        <PackageVersion Include="Xamarin.AndroidX.Core.SplashScreen" Version="1.2.0"/>
+        <PackageVersion Include="Xamarin.AndroidX.Core.SplashScreen" Version="1.2.0.2"/>
 
-        <PackageVersion Include="CommunityToolkit.Mvvm" Version="8.4.0"/>
-        <PackageVersion Include="Irihi.Avalonia.Shared" Version="0.3.1"/>
+        <PackageVersion Include="CommunityToolkit.Mvvm" Version="8.4.2"/>
     </ItemGroup>
 </Project>

demo/Semi.Avalonia.Demo.Android/Application.cs

@@ -0,0 +1,20 @@
+using Android.App;
+using Android.Runtime;
+using Avalonia;
+using Avalonia.Android;
+
+namespace Semi.Avalonia.Demo.Android;
+
+[Application]
+public class Application : AvaloniaAndroidApplication<App>
+{
+    protected Application(nint javaReference, JniHandleOwnership transfer) : base(javaReference, transfer)
+    {
+    }
+
+    protected override AppBuilder CustomizeAppBuilder(AppBuilder builder)
+    {
+        return base.CustomizeAppBuilder(builder)
+            .WithSourceHanSansCNFont();
+    }
+}

demo/Semi.Avalonia.Demo.Android/MainActivity.cs

@@ -1,6 +1,5 @@
 using Android.App;
 using Android.Content.PM;
-using Avalonia;
 using Avalonia.Android;
 
 namespace Semi.Avalonia.Demo.Android;
@@ -12,11 +11,4 @@ namespace Semi.Avalonia.Demo.Android;
     MainLauncher = true,
     LaunchMode = LaunchMode.SingleTop,
     ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.ScreenSize | ConfigChanges.UiMode)]
-public class MainActivity : AvaloniaMainActivity<App>
-{
-    protected override AppBuilder CustomizeAppBuilder(AppBuilder builder)
-    {
-        return base.CustomizeAppBuilder(builder)
-            .WithSourceHanSansCNFont();
-    }
-}
+public class MainActivity : AvaloniaMainActivity;

demo/Semi.Avalonia.Demo.Android/Semi.Avalonia.Demo.Android.csproj

@@ -2,7 +2,7 @@
     <PropertyGroup>
         <OutputType>Exe</OutputType>
         <TargetFramework>net10.0-android</TargetFramework>
-        <SupportedOSPlatformVersion>21</SupportedOSPlatformVersion>
+        <SupportedOSPlatformVersion>23</SupportedOSPlatformVersion>
         <Nullable>enable</Nullable>
         <ApplicationId>com.irihitech.Semi.Avalonia</ApplicationId>
         <ApplicationVersion>1</ApplicationVersion>
@@ -13,6 +13,12 @@
         <RootNamespace>Semi.Avalonia.Demo.Android</RootNamespace>
     </PropertyGroup>
 
+    <!-- Use CoreCLR on Android -->
+    <PropertyGroup Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">
+        <UseMonoRuntime>false</UseMonoRuntime>
+        <PublishReadyToRun>true</PublishReadyToRun>
+    </PropertyGroup>
+
     <ItemGroup>
         <AndroidResource Include="Icon.png" Link="Resources\drawable\Icon.png"/>
         <AvaloniaResource Include="..\Fonts\*" Link="Assets\Fonts\%(Filename)%(Extension)" />

demo/Semi.Avalonia.Demo/App.axaml

@@ -11,7 +11,7 @@
         <semi:SemiPopupAnimations />
         <semi:ColorPickerSemiTheme />
         <semi:DataGridSemiTheme />
-        <semi:TreeDataGridSemiTheme />
+        <!-- <semi:TreeDataGridSemiTheme /> -->
     </Application.Styles>
     <Application.Resources>
         <ResourceDictionary>

demo/Semi.Avalonia.Demo/App.axaml.cs

@@ -12,6 +12,9 @@ public partial class App : Application
     public override void Initialize()
     {
         AvaloniaXamlLoader.Load(this);
+#if DEBUG
+        this.AttachDeveloperTools();
+#endif
         this.DataContext = new ApplicationViewModel();
     }
 
@@ -22,7 +25,7 @@ public partial class App : Application
             case IClassicDesktopStyleApplicationLifetime desktop:
                 // Line below is needed to remove Avalonia data validation.
                 // Without this line you will get duplicate validations from both Avalonia and CT
-                BindingPlugins.DataValidators.RemoveAt(0);
+                // BindingPlugins.DataValidators.RemoveAt(0);
                 desktop.MainWindow = new MainWindow();
                 break;
             case ISingleViewApplicationLifetime singleView:

demo/Semi.Avalonia.Demo/Controls/ColorDetailControl.cs

@@ -3,6 +3,7 @@ using System.Threading.Tasks;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.Primitives;
+using Avalonia.Input.Platform;
 using Avalonia.Media;
 using Semi.Avalonia.Demo.Converters;
 

demo/Semi.Avalonia.Demo/Pages/AutoCompleteBoxDemo.axaml

@@ -28,7 +28,7 @@
         </StackPanel.Styles>
 
         <AutoCompleteBox
-            Watermark="Please select a State"
+            PlaceholderText="Please select a State"
             ValueMemberBinding="{Binding Name,DataType=vm:StateData}" />
         <AutoCompleteBox
             Classes="Large"
@@ -41,7 +41,7 @@
             ValueMemberBinding="{Binding Name,DataType=vm:StateData}" />
         <AutoCompleteBox
             IsEnabled="False"
-            Watermark="Disabled"
+            PlaceholderText="Disabled"
             ValueMemberBinding="{Binding Name,DataType=vm:StateData}" />
         <AutoCompleteBox
             InnerLeftContent="https://"
@@ -52,16 +52,16 @@
             <AutoCompleteBox
                 Width="100"
                 Classes="Large"
-                Watermark="Large"
+                PlaceholderText="Large"
                 ValueMemberBinding="{Binding Name,DataType=vm:StateData}" />
             <AutoCompleteBox
                 Width="100"
-                Watermark="Default"
+                PlaceholderText="Default"
                 ValueMemberBinding="{Binding Name,DataType=vm:StateData}" />
             <AutoCompleteBox
                 Width="100"
                 Classes="Small"
-                Watermark="Small"
+                PlaceholderText="Small"
                 ValueMemberBinding="{Binding Name,DataType=vm:StateData}" />
         </StackPanel>
 
@@ -69,12 +69,12 @@
             <AutoCompleteBox
                 Width="100"
                 IsEnabled="False"
-                Watermark="Disabled"
+                PlaceholderText="Disabled"
                 ValueMemberBinding="{Binding Name,DataType=vm:StateData}" />
             <AutoCompleteBox
                 Width="100"
                 Classes="Bordered"
-                Watermark="Bordered"
+                PlaceholderText="Bordered"
                 ValueMemberBinding="{Binding Name,DataType=vm:StateData}" />
             <AutoCompleteBox
                 Width="100"

demo/Semi.Avalonia.Demo/Pages/ButtonSpinnerDemo.axaml

@@ -35,5 +35,30 @@
                 VerticalAlignment="Center"
                 Text="A.S.I.A" />
         </ButtonSpinner>
+        <ButtonSpinner
+            Height="30"
+            AllowSpin="{Binding #allowSpinCheck.IsChecked}"
+            BorderThickness="1"
+            ShowButtonSpinner="{Binding #showSpinCheck.IsChecked}"
+            Spin="OnSpin"
+            Theme="{StaticResource SplitButtonSpinner}">
+            <TextBlock
+                HorizontalAlignment="Center"
+                VerticalAlignment="Center"
+                Text="A.S.I.A" />
+        </ButtonSpinner>
+        <ButtonSpinner
+            Height="30"
+            AllowSpin="{Binding #allowSpinCheck.IsChecked}"
+            ButtonSpinnerLocation="Left"
+            BorderThickness="1"
+            ShowButtonSpinner="{Binding #showSpinCheck.IsChecked}"
+            Spin="OnSpin"
+            Theme="{StaticResource SplitButtonSpinner}">
+            <TextBlock
+                HorizontalAlignment="Center"
+                VerticalAlignment="Center"
+                Text="A.S.I.A" />
+        </ButtonSpinner>
     </StackPanel>
 </UserControl>

demo/Semi.Avalonia.Demo/Pages/CalendarDatePickerDemo.axaml

@@ -33,6 +33,6 @@
             Margin="0,0,0,8"
             CustomDateFormatString="ddd, MMM d"
             SelectedDateFormat="Custom" />
-        <CalendarDatePicker Margin="0,0,0,8" Watermark="Watermark" />
+        <CalendarDatePicker Margin="0,0,0,8" PlaceholderText="Placeholder" />
     </StackPanel>
 </UserControl>

demo/Semi.Avalonia.Demo/Pages/CarouselPageDemo.axaml

@@ -0,0 +1,69 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             x:Class="Semi.Avalonia.Demo.Pages.CarouselPageDemo">
+    <DockPanel>
+        <ScrollViewer DockPanel.Dock="Right" Width="220">
+            <StackPanel Margin="12" Spacing="8">
+                <TextBlock Text="Configuration" FontWeight="SemiBold" FontSize="16"
+                           Foreground="{DynamicResource SystemControlHighlightAccentBrush}" />
+
+                <TextBlock Text="Navigation" FontWeight="SemiBold" FontSize="13" />
+                <StackPanel Spacing="6">
+                    <Button Content="Previous" Click="OnPrevious" HorizontalAlignment="Stretch" />
+                    <Button Content="Next" Click="OnNext" HorizontalAlignment="Stretch" />
+                </StackPanel>
+
+                <Separator />
+
+                <TextBlock Text="Status" FontWeight="SemiBold" FontSize="13" />
+                <TextBlock Name="StatusText" Text="Page 1 of 3" Opacity="0.7" TextWrapping="Wrap" />
+            </StackPanel>
+        </ScrollViewer>
+
+        <Border DockPanel.Dock="Right" Width="1"
+                Background="{DynamicResource SystemControlForegroundBaseMediumLowBrush}" />
+
+        <Border Margin="12"
+                BorderBrush="{DynamicResource SystemControlForegroundBaseMediumLowBrush}"
+                BorderThickness="1" CornerRadius="6" ClipToBounds="True">
+            <Panel>
+                <CarouselPage Name="DemoCarousel"
+                              SelectionChanged="OnSelectionChanged">
+                    <ContentPage Header="Welcome">
+                        <StackPanel Margin="24" Spacing="12"
+                                    HorizontalAlignment="Center" VerticalAlignment="Center">
+                            <TextBlock Text="Welcome" FontSize="28" FontWeight="Bold"
+                                       HorizontalAlignment="Center" />
+                            <TextBlock Text="Swipe left or use the buttons to navigate."
+                                       TextWrapping="Wrap" Opacity="0.7" TextAlignment="Center" MaxWidth="280" />
+                        </StackPanel>
+                    </ContentPage>
+                    <ContentPage Header="Explore">
+                        <StackPanel Margin="24" Spacing="12"
+                                    HorizontalAlignment="Center" VerticalAlignment="Center">
+                            <TextBlock Text="Explore" FontSize="28" FontWeight="Bold"
+                                       HorizontalAlignment="Center" />
+                            <TextBlock Text="CarouselPage supports scroll-based and transition-based navigation modes."
+                                       TextWrapping="Wrap" Opacity="0.7" TextAlignment="Center" MaxWidth="280" />
+                        </StackPanel>
+                    </ContentPage>
+                    <ContentPage Header="Get Started">
+                        <StackPanel Margin="24" Spacing="12"
+                                    HorizontalAlignment="Center" VerticalAlignment="Center">
+                            <TextBlock Text="Get Started" FontSize="28" FontWeight="Bold"
+                                       HorizontalAlignment="Center" />
+                            <TextBlock Text="Use SelectedIndex to jump to any page, or assign a PageTransition for animated switching."
+                                       TextWrapping="Wrap" Opacity="0.7" TextAlignment="Center" MaxWidth="280" />
+                        </StackPanel>
+                    </ContentPage>
+                </CarouselPage>
+                <PipsPager HorizontalAlignment="Center"
+                           VerticalAlignment="Bottom" Margin="0,0,0,20"
+                           NumberOfPages="3"
+                           SelectedPageIndex="{Binding #DemoCarousel.SelectedIndex}" />
+            </Panel>
+        </Border>
+
+
+    </DockPanel>
+</UserControl>

demo/Semi.Avalonia.Demo/Pages/CarouselPageDemo.axaml.cs

@@ -0,0 +1,34 @@
+using System.Collections;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+
+namespace Semi.Avalonia.Demo.Pages;
+
+public partial class CarouselPageDemo : UserControl
+{
+    public CarouselPageDemo()
+    {
+        InitializeComponent();
+    }
+
+    private void OnPrevious(object? sender, RoutedEventArgs e)
+    {
+        if (DemoCarousel.SelectedIndex > 0)
+            DemoCarousel.SelectedIndex--;
+    }
+
+    private void OnNext(object? sender, RoutedEventArgs e)
+    {
+        var pageCount = (DemoCarousel.Pages as IList)?.Count ?? 0;
+        if (DemoCarousel.SelectedIndex < pageCount - 1)
+            DemoCarousel.SelectedIndex++;
+    }
+
+    private void OnSelectionChanged(object? sender, PageSelectionChangedEventArgs e)
+    {
+        if (StatusText == null)
+            return;
+        var pageCount = (DemoCarousel.Pages as IList)?.Count ?? 0;
+        StatusText.Text = $"Page {DemoCarousel.SelectedIndex + 1} of {pageCount}";
+    }
+}

demo/Semi.Avalonia.Demo/Pages/CommandBarDemo.axaml

@@ -0,0 +1,94 @@
+<UserControl
+    x:Class="Semi.Avalonia.Demo.Pages.CommandBarDemo"
+    xmlns="https://github.com/avaloniaui"
+    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"
+    xmlns:collections="clr-namespace:Avalonia.Collections;assembly=Avalonia.Base"
+    d:DesignHeight="600"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
+    <UserControl.Resources>
+        <collections:AvaloniaList x:TypeArguments="CommandBarDefaultLabelPosition" x:Key="LabelPositionList">
+            <CommandBarDefaultLabelPosition>Bottom</CommandBarDefaultLabelPosition>
+            <CommandBarDefaultLabelPosition>Collapsed</CommandBarDefaultLabelPosition>
+            <CommandBarDefaultLabelPosition>Right</CommandBarDefaultLabelPosition>
+        </collections:AvaloniaList>
+        <collections:AvaloniaList x:TypeArguments="CommandBarOverflowButtonVisibility" x:Key="VisibilityList">
+            <CommandBarOverflowButtonVisibility>Auto</CommandBarOverflowButtonVisibility>
+            <CommandBarOverflowButtonVisibility>Collapsed</CommandBarOverflowButtonVisibility>
+            <CommandBarOverflowButtonVisibility>Visible</CommandBarOverflowButtonVisibility>
+        </collections:AvaloniaList>
+    </UserControl.Resources>
+    <ScrollViewer>
+        <StackPanel Spacing="16">
+            <GroupBox>
+                <GroupBox.Header>
+                    <Grid ColumnDefinitions="Auto,*" RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto">
+
+                        <TextBlock Grid.Row="0" Grid.Column="0" Text="DefaultLabelPosition" VerticalAlignment="Center" />
+                        <ComboBox Grid.Row="0" Grid.Column="1"
+                                  Name="lc"
+                                  ItemsSource="{DynamicResource LabelPositionList}"
+                                  SelectedValue="{x:Static CommandBarDefaultLabelPosition.Bottom}" />
+
+                        <TextBlock Grid.Row="1" Grid.Column="0" Text="OverflowButtonVisibility" VerticalAlignment="Center" />
+                        <ComboBox Grid.Row="1" Grid.Column="1"
+                                  Name="btvb"
+                                  ItemsSource="{DynamicResource VisibilityList}"
+                                  SelectedValue="{x:Static CommandBarOverflowButtonVisibility.Auto}" />
+
+                        <TextBlock Grid.Row="2" Grid.Column="0" Text="IsDynamicOverflowEnabled" VerticalAlignment="Center" />
+                        <ToggleSwitch Grid.Row="2" Grid.Column="1" Name="idfe" IsChecked="True" />
+
+                        <TextBlock Grid.Row="3" Grid.Column="0" Text="IsOpen" VerticalAlignment="Center" />
+                        <ToggleSwitch Grid.Row="3" Grid.Column="1" Name="isop" />
+
+                        <TextBlock Grid.Row="4" Grid.Column="0" Text="IsSticky" VerticalAlignment="Center" />
+                        <ToggleSwitch Grid.Row="4" Grid.Column="1" Name="isst" />
+
+                        <TextBlock Grid.Row="5" Grid.Column="0" Text="Width" VerticalAlignment="Center" />
+                        <Slider Grid.Row="5" Grid.Column="1" Name="ws" HorizontalAlignment="Left" Width="500" Minimum="0" Maximum="1000" Value="200" />
+                    </Grid>
+                </GroupBox.Header>
+                <CommandBar
+                    DefaultLabelPosition="{Binding #lc.SelectedValue}"
+                    OverflowButtonVisibility="{Binding #btvb.SelectedValue}"
+                    IsDynamicOverflowEnabled="{Binding #idfe.IsChecked}"
+                    IsOpen="{Binding #isop.IsChecked}"
+                    IsSticky="{Binding #isst.IsChecked}"
+                    Width="{Binding #ws.Value}">
+                    <CommandBarButton Label="New" Icon="{DynamicResource SemiIconPlus}" />
+                    <CommandBarButton Label="Save" Icon="{DynamicResource SemiIconSave}" />
+                    <CommandBarSeparator />
+                    <CommandBarToggleButton Label="Bold" Icon="{DynamicResource SemiIconBold}" />
+                    <CommandBarToggleButton Label="Italic" Icon="{DynamicResource SemiIconItalic}" />
+                    <CommandBarToggleButton IsChecked="True" IsEnabled="False" Label="Underline" Icon="{DynamicResource SemiIconUnderline}" />
+                    <CommandBarSeparator />
+                    <CommandBarButton Label="Share" Icon="{DynamicResource SemiIconShare}" />
+                    <CommandBarButton Label="Export" Icon="{DynamicResource SemiIconExport}" />
+                    <CommandBarButton Label="Print" Icon="{DynamicResource SemiIconPrint}" />
+                    <CommandBarSeparator />
+                    <CommandBarButton Label="Delete" Icon="{DynamicResource SemiIconDelete}" />
+                </CommandBar>
+            </GroupBox>
+
+            <!--  With secondary commands (overflow)  -->
+            <GroupBox>
+                <GroupBox.Header>
+                    <TextBlock Text="CommandBar — With Secondary Commands (overflow)" />
+                </GroupBox.Header>
+                <CommandBar>
+                    <CommandBarButton Label="New" Icon="{DynamicResource SemiIconPlus}" />
+                    <CommandBarButton Label="Save" Icon="{DynamicResource SemiIconSave}" />
+                    <CommandBarButton Label="Share" Icon="{DynamicResource SemiIconShare}" />
+                    <CommandBar.SecondaryCommands>
+                        <CommandBarButton Label="Export" Icon="{DynamicResource SemiIconExport}" />
+                        <CommandBarButton Label="Delete" Icon="{DynamicResource SemiIconDelete}" />
+                    </CommandBar.SecondaryCommands>
+                </CommandBar>
+            </GroupBox>
+
+        </StackPanel>
+    </ScrollViewer>
+</UserControl>

demo/Semi.Avalonia.Demo/Pages/CommandBarDemo.axaml.cs

@@ -0,0 +1,11 @@
+using Avalonia.Controls;
+
+namespace Semi.Avalonia.Demo.Pages;
+
+public partial class CommandBarDemo : UserControl
+{
+    public CommandBarDemo()
+    {
+        InitializeComponent();
+    }
+}

demo/Semi.Avalonia.Demo/Pages/ContentPageDemo.axaml

@@ -0,0 +1,54 @@
+<UserControl
+    x:Class="Semi.Avalonia.Demo.Pages.ContentPageDemo"
+    xmlns="https://github.com/avaloniaui"
+    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"
+    d:DesignHeight="600"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
+    <DockPanel>
+        <ScrollViewer DockPanel.Dock="Right" Width="260">
+            <StackPanel Margin="12" Spacing="8">
+                <TextBlock Text="Configuration" FontWeight="SemiBold" FontSize="16"
+                           Foreground="{DynamicResource SemiColorText0}" />
+                <TextBlock Text="ContentPage is the fundamental page type. It hosts a single piece of content and integrates with NavigationPage, TabbedPage, and CarouselPage. The Header property sets the navigation bar title."
+                           FontSize="12" Opacity="0.7" TextWrapping="Wrap" />
+
+                <Separator />
+
+                <TextBlock Text="Navigation" FontWeight="SemiBold" />
+                <Button Content="Push Page" HorizontalAlignment="Stretch" Click="OnPush" />
+                <Button Content="Pop Page" HorizontalAlignment="Stretch" Click="OnPop" />
+                <Button Content="Pop to Root" HorizontalAlignment="Stretch" Click="OnPopToRoot" />
+
+                <Separator />
+
+                <TextBlock Text="Key Properties" FontWeight="SemiBold" />
+                <TextBlock Text="• Header: nav bar title (string or Control)" FontSize="12" Opacity="0.8" TextWrapping="Wrap" />
+                <TextBlock Text="• Content: any Avalonia control" FontSize="12" Opacity="0.8" TextWrapping="Wrap" />
+                <TextBlock Text="• Background: page background brush" FontSize="12" Opacity="0.8" TextWrapping="Wrap" />
+                <TextBlock Text="• HorizontalContentAlignment" FontSize="12" Opacity="0.8" />
+                <TextBlock Text="• VerticalContentAlignment" FontSize="12" Opacity="0.8" />
+                <TextBlock Text="• AutomaticallyApplySafeAreaPadding" FontSize="12" Opacity="0.8" />
+
+                <Separator />
+
+                <TextBlock Name="StatusText"
+                           Text="Depth: 1 | Current: Root Page"
+                           FontSize="11"
+                           Opacity="0.7" />
+            </StackPanel>
+        </ScrollViewer>
+
+        <Border DockPanel.Dock="Right" Width="1" Background="{DynamicResource SemiColorBackground0}" />
+
+        <Border Margin="12"
+                BorderBrush="{DynamicResource SemiColorBorder}"
+                BorderThickness="1"
+                CornerRadius="6"
+                ClipToBounds="True">
+            <NavigationPage Name="DemoNav" />
+        </Border>
+    </DockPanel>
+</UserControl>

demo/Semi.Avalonia.Demo/Pages/ContentPageDemo.axaml.cs

@@ -0,0 +1,93 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Media;
+using Avalonia.Layout;
+
+namespace Semi.Avalonia.Demo.Pages;
+
+public partial class ContentPageDemo : UserControl
+{
+    private static readonly Color[] PageColors =
+    [
+        Color.FromRgb(0xE3, 0xF2, 0xFD), // blue
+        Color.FromRgb(0xF3, 0xE5, 0xF5), // purple
+        Color.FromRgb(0xE8, 0xF5, 0xE9), // green
+        Color.FromRgb(0xFF, 0xF8, 0xE1), // amber
+        Color.FromRgb(0xFB, 0xE9, 0xE7), // deep orange
+    ];
+
+    private int _pageCount;
+
+    public ContentPageDemo()
+    {
+        InitializeComponent();
+        Loaded += OnLoaded;
+    }
+
+    private async void OnLoaded(object? sender, RoutedEventArgs e)
+    {
+        await DemoNav.PushAsync(MakePage("Root Page", "ContentPage inside a NavigationPage.\nUse the options to navigate."));
+        UpdateStatus();
+    }
+
+    private async void OnPush(object? sender, RoutedEventArgs e)
+    {
+        _pageCount++;
+        await DemoNav.PushAsync(MakePage($"Page {_pageCount}", $"ContentPage #{_pageCount}.\nNavigate back using the back button."));
+        UpdateStatus();
+    }
+
+    private async void OnPop(object? sender, RoutedEventArgs e)
+    {
+        await DemoNav.PopAsync();
+        UpdateStatus();
+    }
+
+    private async void OnPopToRoot(object? sender, RoutedEventArgs e)
+    {
+        await DemoNav.PopToRootAsync();
+        _pageCount = 0;
+        UpdateStatus();
+    }
+
+    private void UpdateStatus()
+    {
+        StatusText.Text = $"Depth: {DemoNav.StackDepth} | Current: {DemoNav.CurrentPage?.Header}";
+    }
+
+    private ContentPage MakePage(string header, string body) =>
+        new ContentPage
+        {
+            Header = header,
+            Background = new SolidColorBrush(PageColors[_pageCount % PageColors.Length]),
+            Content = new StackPanel
+            {
+                HorizontalAlignment = HorizontalAlignment.Center,
+                VerticalAlignment = VerticalAlignment.Center,
+                Spacing = 10,
+                Children =
+                {
+                    new TextBlock
+                    {
+                        Text = header,
+                        FontSize = 20,
+                        FontWeight = FontWeight.SemiBold,
+                        HorizontalAlignment = HorizontalAlignment.Center,
+                        Foreground = Brushes.Black,
+                    },
+                    new TextBlock
+                    {
+                        Text = body,
+                        FontSize = 13,
+                        Opacity = 0.7,
+                        TextWrapping = TextWrapping.Wrap,
+                        TextAlignment = TextAlignment.Center,
+                        MaxWidth = 260,
+                        Foreground = Brushes.Black,
+                    }
+                }
+            },
+            HorizontalContentAlignment = HorizontalAlignment.Stretch,
+            VerticalContentAlignment = VerticalAlignment.Stretch
+        };
+}

demo/Semi.Avalonia.Demo/Pages/DataGridDemo.axaml.cs

@@ -1,4 +1,6 @@
+using Avalonia;
 using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
 using Semi.Avalonia.Demo.ViewModels;
 
 namespace Semi.Avalonia.Demo.Pages;

demo/Semi.Avalonia.Demo/Pages/DrawerPageDemo.axaml

@@ -0,0 +1,72 @@
+<UserControl
+    x:Class="Semi.Avalonia.Demo.Pages.DrawerPageDemo"
+    xmlns="https://github.com/avaloniaui"
+    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"
+    d:DesignHeight="700"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
+    <DockPanel>
+        <ScrollViewer DockPanel.Dock="Right" Width="260">
+            <StackPanel Margin="12" Spacing="8">
+                <TextBlock Text="Configuration" FontWeight="SemiBold" FontSize="16"
+                           Foreground="{DynamicResource SemiColorText0}" />
+
+                <Button Content="Toggle Drawer"
+                        HorizontalAlignment="Stretch"
+                        Click="OnToggleDrawer" />
+
+                <Separator />
+
+                <CheckBox Name="GestureCheck"
+                          Content="Gesture Enabled"
+                          IsChecked="True"
+                          IsCheckedChanged="OnGestureChanged" />
+
+                <Separator />
+
+                <TextBlock Text="Status" FontWeight="SemiBold" FontSize="14" />
+                <TextBlock Name="StatusText"
+                           Text="Drawer: Closed"
+                           Opacity="0.7"
+                           TextWrapping="Wrap" />
+            </StackPanel>
+        </ScrollViewer>
+
+        <Border DockPanel.Dock="Right" Width="1" Background="{DynamicResource SemiColorBackground0}" />
+
+        <Border Margin="12"
+                BorderBrush="{DynamicResource SemiColorBorder}"
+                BorderThickness="1"
+                CornerRadius="6"
+                ClipToBounds="True">
+            <DrawerPage Name="DemoDrawer"
+                        Header="First Look"
+                        DrawerLength="250">
+                <DrawerPage.DrawerHeader>
+                    <Border Padding="16" Background="{DynamicResource SemiColorPrimary}">
+                        <TextBlock Text="Menu" FontSize="18" FontWeight="SemiBold" Foreground="{DynamicResource SemiColorText0}" />
+                    </Border>
+                </DrawerPage.DrawerHeader>
+                <DrawerPage.Drawer>
+                    <ListBox Name="DrawerMenu" SelectionChanged="OnMenuSelectionChanged">
+                        <ListBoxItem Content="Home" />
+                        <ListBoxItem Content="Settings" />
+                        <ListBoxItem Content="Profile" />
+                        <ListBoxItem Content="About" />
+                    </ListBox>
+                </DrawerPage.Drawer>
+                <DrawerPage.Content>
+                    <ContentPage Header="Home">
+                        <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center" Spacing="8">
+                            <TextBlock Text="Home Page" FontSize="20" FontWeight="SemiBold" HorizontalAlignment="Center" />
+                            <TextBlock Text="Swipe from the left edge or use the hamburger button to open the drawer."
+                                       FontSize="13" Opacity="0.7" TextWrapping="Wrap" TextAlignment="Center" MaxWidth="300" />
+                        </StackPanel>
+                    </ContentPage>
+                </DrawerPage.Content>
+            </DrawerPage>
+        </Border>
+    </DockPanel>
+</UserControl>

demo/Semi.Avalonia.Demo/Pages/DrawerPageDemo.axaml.cs

@@ -0,0 +1,68 @@
+using System;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Layout;
+using Avalonia.Media;
+
+namespace Semi.Avalonia.Demo.Pages;
+
+public partial class DrawerPageDemo : UserControl
+{
+    public DrawerPageDemo()
+    {
+        InitializeComponent();
+    }
+
+    protected override void OnLoaded(RoutedEventArgs e)
+    {
+        base.OnLoaded(e);
+        DemoDrawer.Opened += OnDrawerStatusChanged;
+        DemoDrawer.Closed += OnDrawerStatusChanged;
+    }
+
+    protected override void OnUnloaded(RoutedEventArgs e)
+    {
+        base.OnUnloaded(e);
+        DemoDrawer.Opened -= OnDrawerStatusChanged;
+        DemoDrawer.Closed -= OnDrawerStatusChanged;
+    }
+
+    private void OnDrawerStatusChanged(object? sender, EventArgs e) => UpdateStatus();
+
+    private void OnToggleDrawer(object? sender, RoutedEventArgs e)
+    {
+        DemoDrawer.IsOpen = !DemoDrawer.IsOpen;
+    }
+
+    private void OnGestureChanged(object? sender, RoutedEventArgs e)
+    {
+        DemoDrawer.IsGestureEnabled = GestureCheck.IsChecked == true;
+    }
+
+    private void OnMenuSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        if (DrawerMenu.SelectedItem is ListBoxItem item)
+        {
+            DemoDrawer.Content = new ContentPage
+            {
+                Header = item.Content?.ToString(),
+                Content = new TextBlock
+                {
+                    Text = $"{item.Content} page content",
+                    FontSize = 16,
+                    HorizontalAlignment = HorizontalAlignment.Center,
+                    VerticalAlignment = VerticalAlignment.Center,
+                    Foreground = Brushes.Black,
+                },
+                HorizontalContentAlignment = HorizontalAlignment.Stretch,
+                VerticalContentAlignment = VerticalAlignment.Stretch
+            };
+            DemoDrawer.IsOpen = false;
+        }
+    }
+
+    private void UpdateStatus()
+    {
+        StatusText.Text = $"Drawer: {(DemoDrawer.IsOpen ? "Open" : "Closed")}";
+    }
+}

demo/Semi.Avalonia.Demo/Pages/HeaderedContentControlDemo.axaml

@@ -36,10 +36,20 @@
                         <HyperlinkButton HorizontalAlignment="Right" Content="更多" />
                     </Panel>
                 </HeaderedContentControl.Header>
-                <HeaderedContentControl.Content>
-                    <SelectableTextBlock Text="Semi Design 是由互娱社区前端团队与 UED 团队共同设计开发并维护的设计系统。设计系统包含设计语言以及一整套可复用的前端组件，帮助设计师与开发者更容易地打造高质量的、用户体验一致的、符合设计规范的 Web 应用。" />
-                </HeaderedContentControl.Content>
+                <SelectableTextBlock Text="Semi Design 是由互娱社区前端团队与 UED 团队共同设计开发并维护的设计系统。设计系统包含设计语言以及一整套可复用的前端组件，帮助设计师与开发者更容易地打造高质量的、用户体验一致的、符合设计规范的 Web 应用。" />
             </HeaderedContentControl>
+            <TextBlock>Real GroupBox</TextBlock>
+            <GroupBox
+                HorizontalAlignment="Left"
+                MaxWidth="360">
+                <HeaderedContentControl.Header>
+                    <Panel>
+                        <SelectableTextBlock Text="Semi Design" />
+                        <HyperlinkButton HorizontalAlignment="Right" Content="更多" />
+                    </Panel>
+                </HeaderedContentControl.Header>
+                <SelectableTextBlock Text="Semi Design 是由互娱社区前端团队与 UED 团队共同设计开发并维护的设计系统。设计系统包含设计语言以及一整套可复用的前端组件，帮助设计师与开发者更容易地打造高质量的、用户体验一致的、符合设计规范的 Web 应用。" />
+            </GroupBox>
         </StackPanel>
     </ScrollViewer>
 </UserControl>

demo/Semi.Avalonia.Demo/Pages/HighContrastDemo.axaml

@@ -1,4 +1,4 @@
-<UserControl xmlns="https://github.com/avaloniaui"
+<UserControl xmlns="https://github.com/avaloniaui"
              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"

demo/Semi.Avalonia.Demo/Pages/HighContrastDemo.axaml.cs

@@ -1,5 +1,6 @@
-using System.Threading.Tasks;
+using System.Threading.Tasks;
 using Avalonia.Controls;
+using Avalonia.Input.Platform;
 using Semi.Avalonia.Demo.ViewModels;
 
 namespace Semi.Avalonia.Demo.Pages;

demo/Semi.Avalonia.Demo/Pages/IconDemo.axaml

@@ -16,7 +16,7 @@
             Margin="8"
             Classes="ClearButton"
             Text="{Binding SearchText}"
-            Watermark="Input Icon Name" />
+            PlaceholderText="Input Icon Name" />
 
         <TabControl
             Grid.Row="1"

demo/Semi.Avalonia.Demo/Pages/NavigationDemoHelper.cs

@@ -0,0 +1,66 @@
+using Avalonia.Controls;
+using Avalonia.Layout;
+using Avalonia.Media;
+
+namespace Semi.Avalonia.Demo.Pages;
+
+/// <summary>
+/// Shared helpers for ControlCatalog demo pages.
+/// </summary>
+internal static class NavigationDemoHelper
+{
+    /// <summary>
+    /// Pastel background brushes cycled by page index.
+    /// </summary>
+    internal static readonly IBrush[] PageBrushes =
+    [
+        new SolidColorBrush(Color.Parse("#BBDEFB")),
+        new SolidColorBrush(Color.Parse("#C8E6C9")),
+        new SolidColorBrush(Color.Parse("#FFE0B2")),
+        new SolidColorBrush(Color.Parse("#E1BEE7")),
+        new SolidColorBrush(Color.Parse("#FFCDD2")),
+        new SolidColorBrush(Color.Parse("#B2EBF2"))
+    ];
+
+    internal static IBrush GetPageBrush(int index) =>
+        PageBrushes[(index % PageBrushes.Length + PageBrushes.Length) % PageBrushes.Length];
+
+    /// <summary>
+    /// Creates a simple demo ContentPage with a centered title and subtitle.
+    /// </summary>
+    internal static ContentPage MakePage(string header, string body, int colorIndex) =>
+        new()
+        {
+            Header = header,
+            Background = GetPageBrush(colorIndex),
+            Content = new StackPanel
+            {
+                HorizontalAlignment = HorizontalAlignment.Center,
+                VerticalAlignment = VerticalAlignment.Center,
+                Spacing = 8,
+                Children =
+                {
+                    new TextBlock
+                    {
+                        Text = header,
+                        FontSize = 20,
+                        FontWeight = FontWeight.SemiBold,
+                        HorizontalAlignment = HorizontalAlignment.Center,
+                        Foreground = Brushes.Black,
+                    },
+                    new TextBlock
+                    {
+                        Text = body,
+                        FontSize = 13,
+                        Opacity = 0.7,
+                        TextWrapping = TextWrapping.Wrap,
+                        TextAlignment = TextAlignment.Center,
+                        MaxWidth = 260,
+                        Foreground = Brushes.Black,
+                    }
+                }
+            },
+            HorizontalContentAlignment = HorizontalAlignment.Stretch,
+            VerticalContentAlignment = VerticalAlignment.Stretch
+        };
+}

demo/Semi.Avalonia.Demo/Pages/NavigationPageDemo.axaml

@@ -0,0 +1,65 @@
+<UserControl
+    x:Class="Semi.Avalonia.Demo.Pages.NavigationPageDemo"
+    xmlns="https://github.com/avaloniaui"
+    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"
+    d:DesignHeight="700"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
+    <ScrollViewer>
+        <DockPanel>
+            <ScrollViewer DockPanel.Dock="Right" Width="260">
+                <StackPanel Margin="12" Spacing="8">
+                    <TextBlock Text="Configuration" FontWeight="SemiBold" FontSize="16" />
+                    <TextBlock Text="Navigation" FontWeight="SemiBold" FontSize="13" />
+
+                    <Button Content="Push Page"
+                            HorizontalAlignment="Stretch"
+                            Click="OnPush" />
+                    <Button Content="Pop"
+                            HorizontalAlignment="Stretch"
+                            Click="OnPop" />
+                    <Button Content="Pop to Root"
+                            HorizontalAlignment="Stretch"
+                            Click="OnPopToRoot" />
+
+                    <Separator />
+
+                    <TextBlock Text="Options" FontWeight="SemiBold" FontSize="14" />
+
+                    <CheckBox Name="HasNavBarCheck"
+                              Content="Has Navigation Bar"
+                              IsChecked="True"
+                              IsCheckedChanged="OnHasNavBarChanged" />
+                    <CheckBox Name="HasBackButtonCheck"
+                              Content="Has Back Button"
+                              IsChecked="True" 
+                              IsCheckedChanged="OnHasBackButonChanged" />
+
+                    <Separator />
+
+                    <TextBlock Text="Status" FontWeight="SemiBold" FontSize="14" />
+                    <TextBlock Name="StatusText"
+                               Text="Depth: 1"
+                               Opacity="0.7"
+                               TextWrapping="Wrap" />
+                    <TextBlock Name="HeaderText"
+                               Text="Current: Home"
+                               Opacity="0.7"
+                               TextWrapping="Wrap" />
+                </StackPanel>
+            </ScrollViewer>
+
+            <Border DockPanel.Dock="Right" Width="1" Background="{DynamicResource SemiColorBackground0}" />
+
+            <Border Margin="12"
+                    BorderBrush="{DynamicResource SemiColorBorder}"
+                    BorderThickness="1"
+                    CornerRadius="6"
+                    ClipToBounds="True">
+                <NavigationPage Name="DemoNav" />
+            </Border>
+        </DockPanel>
+    </ScrollViewer>
+</UserControl>

demo/Semi.Avalonia.Demo/Pages/NavigationPageDemo.axaml.cs

@@ -0,0 +1,66 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+
+namespace Semi.Avalonia.Demo.Pages;
+
+public partial class NavigationPageDemo : UserControl
+{
+    private int _pageCount;
+
+    public NavigationPageDemo()
+    {
+        InitializeComponent();
+        Loaded += OnLoaded;
+    }
+
+    private async void OnLoaded(object? sender, RoutedEventArgs e)
+    {
+        await DemoNav.PushAsync(NavigationDemoHelper.MakePage("Home", "Welcome!\nUse the buttons to push and pop pages.", 0), null);
+        UpdateStatus();
+    }
+
+    private async void OnPush(object? sender, RoutedEventArgs e)
+    {
+        _pageCount++;
+        var page = NavigationDemoHelper.MakePage($"Page {_pageCount}", $"This is page {_pageCount}.", _pageCount);
+        NavigationPage.SetHasNavigationBar(page, HasNavBarCheck.IsChecked == true);
+        NavigationPage.SetHasBackButton(page, HasBackButtonCheck.IsChecked == true);
+        await DemoNav.PushAsync(page);
+        UpdateStatus();
+    }
+
+    private async void OnPop(object? sender, RoutedEventArgs e)
+    {
+        await DemoNav.PopAsync();
+        UpdateStatus();
+    }
+
+    private async void OnPopToRoot(object? sender, RoutedEventArgs e)
+    {
+        await DemoNav.PopToRootAsync();
+        _pageCount = 0;
+        UpdateStatus();
+    }
+
+    private void OnHasNavBarChanged(object? sender, RoutedEventArgs e)
+    {
+        if (DemoNav == null)
+            return;
+        if (DemoNav.CurrentPage != null)
+            NavigationPage.SetHasNavigationBar(DemoNav.CurrentPage, HasNavBarCheck.IsChecked == true);
+    }
+
+    private void OnHasBackButonChanged(object? sender, RoutedEventArgs e)
+    {
+        if (DemoNav == null)
+            return;
+        if (DemoNav.CurrentPage != null)
+            NavigationPage.SetHasBackButton(DemoNav.CurrentPage, HasBackButtonCheck.IsChecked == true);
+    }
+
+    private void UpdateStatus()
+    {
+        StatusText.Text = $"Depth: {DemoNav.StackDepth}";
+        HeaderText.Text = $"Current: {DemoNav.CurrentPage?.Header ?? "(none)"}";
+    }
+}

demo/Semi.Avalonia.Demo/Pages/NumericUpDownDemo.axaml

@@ -28,15 +28,15 @@
             <NumericUpDown
                 Width="100"
                 Classes="Large"
-                Watermark="Large"
+                PlaceholderText="Large"
                 ButtonSpinnerLocation="Left" />
             <NumericUpDown
                 Width="100"
-                Watermark="Default"
+                PlaceholderText="Default"
                 ShowButtonSpinner="False" />
             <NumericUpDown
                 Width="100"
-                Watermark="Small"
+                PlaceholderText="Small"
                 Classes="Small" />
         </StackPanel>
 
@@ -51,6 +51,11 @@
             <NumericUpDown Width="100" IsEnabled="False" />
             <NumericUpDown Width="100" ButtonSpinnerLocation="Left" />
         </StackPanel>
+        
+        <StackPanel>
+            <TextBlock Text="Split" />
+            <NumericUpDown Classes="Split" Width="300" />
+        </StackPanel>
 
     </StackPanel>
 </UserControl>

demo/Semi.Avalonia.Demo/Pages/Overview.axaml

@@ -353,12 +353,12 @@
                         <StackPanel>
                             <TextBlock Text="Install via nuget: " />
                             <Border Margin="0,16" Classes="CodeBlock">
-                                <SelectableTextBlock FontFamily="Consolas" Text="{Binding $parent[local:Overview].MainInstall}" />
+                                <SelectableTextBlock  Text="{Binding $parent[local:Overview].MainInstall}" />
                             </Border>
                             <TextBlock Text="Reference styles: " />
                             <Border Margin="0,16" Classes="CodeBlock">
                                 <SelectableTextBlock
-                                    FontFamily="Consolas"
+                                    
                                     Text="{Binding $parent[local:Overview].MainStyle}"
                                     TextWrapping="Wrap" />
                             </Border>
@@ -368,12 +368,12 @@
                         <StackPanel>
                             <TextBlock Text="Install via nuget: " />
                             <Border Margin="0,16" Classes="CodeBlock">
-                                <SelectableTextBlock FontFamily="Consolas" Text="{Binding $parent[local:Overview].ColorPickerInstall}" />
+                                <SelectableTextBlock  Text="{Binding $parent[local:Overview].ColorPickerInstall}" />
                             </Border>
                             <TextBlock Text="Reference styles: " />
                             <Border Margin="0,16" Classes="CodeBlock">
                                 <SelectableTextBlock
-                                    FontFamily="Consolas"
+                                    
                                     Text="{Binding $parent[local:Overview].ColorPickerStyle}"
                                     TextWrapping="Wrap" />
                             </Border>
@@ -383,12 +383,12 @@
                         <StackPanel>
                             <TextBlock Text="Install via nuget: " />
                             <Border Margin="0,16" Classes="CodeBlock">
-                                <SelectableTextBlock FontFamily="Consolas" Text="{Binding $parent[local:Overview].DataGridInstall}" />
+                                <SelectableTextBlock  Text="{Binding $parent[local:Overview].DataGridInstall}" />
                             </Border>
                             <TextBlock Text="Reference styles: " />
                             <Border Margin="0,16" Classes="CodeBlock">
                                 <SelectableTextBlock
-                                    FontFamily="Consolas"
+                                    
                                     Text="{Binding $parent[local:Overview].DataGridStyle}"
                                     TextWrapping="Wrap" />
                             </Border>
@@ -398,12 +398,12 @@
                         <StackPanel>
                             <TextBlock Text="Install via nuget: " />
                             <Border Margin="0,16" Classes="CodeBlock">
-                                <SelectableTextBlock FontFamily="Consolas" Text="{Binding $parent[local:Overview].TreeDataGridInstall}" />
+                                <SelectableTextBlock  Text="{Binding $parent[local:Overview].TreeDataGridInstall}" />
                             </Border>
                             <TextBlock Text="Reference styles: " />
                             <Border Margin="0,16" Classes="CodeBlock">
                                 <SelectableTextBlock
-                                    FontFamily="Consolas"
+                                    
                                     Text="{Binding $parent[local:Overview].TreeDataGridStyle}"
                                     TextWrapping="Wrap" />
                             </Border>
@@ -413,12 +413,12 @@
                         <StackPanel>
                             <TextBlock Text="Install via nuget: " />
                             <Border Margin="0,16" Classes="CodeBlock">
-                                <SelectableTextBlock FontFamily="Consolas" Text="{Binding $parent[local:Overview].DockInstall}" />
+                                <SelectableTextBlock  Text="{Binding $parent[local:Overview].DockInstall}" />
                             </Border>
                             <TextBlock Text="Reference styles: " />
                             <Border Margin="0,16" Classes="CodeBlock">
                                 <SelectableTextBlock
-                                    FontFamily="Consolas"
+                                    
                                     Text="{Binding $parent[local:Overview].DockStyle}"
                                     TextWrapping="Wrap" />
                             </Border>
@@ -428,12 +428,12 @@
                         <StackPanel>
                             <TextBlock Text="Install via nuget: " />
                             <Border Margin="0,16" Classes="CodeBlock">
-                                <SelectableTextBlock FontFamily="Consolas" Text="{Binding $parent[local:Overview].TabaloniaInstall}" />
+                                <SelectableTextBlock  Text="{Binding $parent[local:Overview].TabaloniaInstall}" />
                             </Border>
                             <TextBlock Text="Reference styles: " />
                             <Border Margin="0,16" Classes="CodeBlock">
                                 <SelectableTextBlock
-                                    FontFamily="Consolas"
+                                    
                                     Text="{Binding $parent[local:Overview].TabaloniaStyle}"
                                     TextWrapping="Wrap" />
                             </Border>
@@ -443,12 +443,12 @@
                         <StackPanel>
                             <TextBlock Text="Install via nuget: " />
                             <Border Margin="0,16" Classes="CodeBlock">
-                                <SelectableTextBlock FontFamily="Consolas" Text="{Binding $parent[local:Overview].AvaloniaEditInstall}" />
+                                <SelectableTextBlock  Text="{Binding $parent[local:Overview].AvaloniaEditInstall}" />
                             </Border>
                             <TextBlock Text="Reference styles: " />
                             <Border Margin="0,16" Classes="CodeBlock">
                                 <SelectableTextBlock
-                                    FontFamily="Consolas"
+                                    
                                     Text="{Binding $parent[local:Overview].AvaloniaEditStyle}"
                                     TextWrapping="Wrap" />
                             </Border>

demo/Semi.Avalonia.Demo/Pages/PaletteDemo.axaml.cs

@@ -1,6 +1,7 @@
 using System.Threading.Tasks;
 using Avalonia.Controls;
 using Avalonia.Controls.Primitives;
+using Avalonia.Input.Platform;
 using Avalonia.Threading;
 using Semi.Avalonia.Demo.ViewModels;
 

demo/Semi.Avalonia.Demo/Pages/PipsPagerDemo.axaml

@@ -0,0 +1,99 @@
+<UserControl
+    x:Class="Semi.Avalonia.Demo.Pages.PipsPagerDemo"
+    xmlns="https://github.com/avaloniaui"
+    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"
+    d:DesignHeight="600"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
+    <ScrollViewer>
+        <StackPanel HorizontalAlignment="Left" Spacing="16" Margin="0,0,0,20">
+
+            <!-- Horizontal PipsPager -->
+            <TextBlock Classes="H6" Text="Horizontal" />
+            <PipsPager
+                NumberOfPages="8"
+                Orientation="Horizontal" />
+
+            <!-- Vertical PipsPager -->
+            <TextBlock Classes="H6" Text="Vertical" />
+            <PipsPager
+                NumberOfPages="8"
+                Orientation="Vertical" />
+
+            <!-- Linked with Carousel -->
+            <TextBlock Classes="H6" Text="Linked with Carousel" />
+            <Panel>
+                <Carousel
+                    Name="DemoCarousel"
+                    Height="160">
+                    <Border Background="#EAF5FF">
+                        <TextBlock
+                            HorizontalAlignment="Center"
+                            VerticalAlignment="Center"
+                            Foreground="#1C1F23"
+                            Text="Page 1" />
+                    </Border>
+                    <Border Background="#F9F9F9">
+                        <TextBlock
+                            HorizontalAlignment="Center"
+                            VerticalAlignment="Center"
+                            Foreground="#1C1F23"
+                            Text="Page 2" />
+                    </Border>
+                    <Border Background="#FFF8EA">
+                        <TextBlock
+                            HorizontalAlignment="Center"
+                            VerticalAlignment="Center"
+                            Foreground="#1C1F23"
+                            Text="Page 3" />
+                    </Border>
+                    <Border Background="#FEF2ED">
+                        <TextBlock
+                            HorizontalAlignment="Center"
+                            VerticalAlignment="Center"
+                            Foreground="#1C1F23"
+                            Text="Page 4" />
+                    </Border>
+                    <Border Background="#F0F5FF">
+                        <TextBlock
+                            HorizontalAlignment="Center"
+                            VerticalAlignment="Center"
+                            Foreground="#1C1F23"
+                            Text="Page 5" />
+                    </Border>
+                </Carousel>
+                <ThemeVariantScope RequestedThemeVariant="Light">
+                    <PipsPager
+                        Name="LinkedPager"
+                        NumberOfPages="5"
+                        Orientation="Horizontal"
+                        HorizontalAlignment="Center"
+                        VerticalAlignment="Bottom"
+                        Margin="0,0,0,8"
+                        SelectedPageIndex="{Binding #DemoCarousel.SelectedIndex}" />
+                </ThemeVariantScope>
+            </Panel>
+
+            <!-- Various page counts -->
+            <TextBlock Classes="H6" Text="Various Page Counts" />
+            <StackPanel Spacing="12">
+                <StackPanel Orientation="Horizontal" Spacing="8">
+                    <TextBlock VerticalAlignment="Center" Width="80" Text="3 pages" />
+                    <PipsPager NumberOfPages="3" Orientation="Horizontal" />
+                </StackPanel>
+                <StackPanel Orientation="Horizontal" Spacing="8">
+                    <TextBlock VerticalAlignment="Center" Width="80" Text="5 pages" />
+                    <PipsPager NumberOfPages="5" Orientation="Horizontal" />
+                </StackPanel>
+                <StackPanel Orientation="Horizontal" Spacing="8">
+                    <TextBlock VerticalAlignment="Center" Width="80" Text="10 pages" />
+                    <PipsPager NumberOfPages="10" Orientation="Horizontal" />
+                </StackPanel>
+            </StackPanel>
+
+        </StackPanel>
+    </ScrollViewer>
+</UserControl>
+

demo/Semi.Avalonia.Demo/Pages/PipsPagerDemo.axaml.cs

@@ -0,0 +1,12 @@
+using Avalonia.Controls;
+
+namespace Semi.Avalonia.Demo.Pages;
+
+public partial class PipsPagerDemo : UserControl
+{
+    public PipsPagerDemo()
+    {
+        InitializeComponent();
+    }
+}
+

demo/Semi.Avalonia.Demo/Pages/SliderDemo.axaml

@@ -22,6 +22,15 @@
             TickFrequency="10"
             TickPlacement="Outside"
             Value="0" />
+        <Slider
+            Value="0"
+            Minimum="0"
+            Maximum="100"
+            TickPlacement="BottomRight"
+            IsSnapToTickEnabled="True"
+            IsDirectionReversed="True"
+            Ticks="0,20,25,40,75,100"
+            Width="300" />
         <Slider
             Width="300"
             Classes="ToolTip"

demo/Semi.Avalonia.Demo/Pages/TabControlDemo.axaml

@@ -34,14 +34,10 @@
                         </StackPanel>
                         <Border MinHeight="150" Theme="{StaticResource CardBorder}">
                             <TabControl Classes.ReverseSeparator="{Binding #reverse.IsChecked}" TabStripPlacement="{Binding #place.SelectedValue}">
-                                <TabItem Content="Hello 1" Header="Tab 1" />
-                                <TabItem Content="Hello 2" Header="Tab 2" />
-                                <TabItem Content="Hello 3" Header="Tab 3" />
-                                <TabItem Content="中文内容" Header="中文中文" />
-                                <TabItem
-                                    Content="Hello 4"
-                                    Header="Tab 4"
-                                    IsEnabled="False" />
+                                <TabItem Content="Hello 1" Header="文档" Icon="{StaticResource SemiIconFile}" />
+                                <TabItem Content="Hello 2" Header="快速起步" Icon="{StaticResource SemiIconGlobe}" />
+                                <TabItem Content="Hello 4" Header="无效" Icon="{StaticResource SemiIconClear}" IsEnabled="False" />
+                                <TabItem Content="Hello 3" Header="帮助" Icon="{StaticResource SemiIconHelpCircle}" />
                             </TabControl>
                         </Border>
                         <Border Height="300" Theme="{StaticResource CardBorder}">
@@ -57,14 +53,10 @@
                     <StackPanel>
                         <Border MinHeight="150" Theme="{StaticResource CardBorder}">
                             <TabControl TabStripPlacement="{Binding #place.SelectedValue}" Theme="{StaticResource LineTabControl}">
-                                <TabItem Content="Hello 1" Header="Tab 1" />
-                                <TabItem Content="Hello 2" Header="Tab 2" />
-                                <TabItem Content="Hello 3" Header="Tab 3" />
-                                <TabItem Content="中文内容" Header="中文中文" />
-                                <TabItem
-                                    Content="Hello 4"
-                                    Header="Tab 4"
-                                    IsEnabled="False" />
+                                <TabItem Content="Hello 1" Header="文档" Icon="{StaticResource SemiIconFile}" />
+                                <TabItem Content="Hello 2" Header="快速起步" Icon="{StaticResource SemiIconGlobe}" />
+                                <TabItem Content="Hello 4" Header="无效" Icon="{StaticResource SemiIconClear}" IsEnabled="False" />
+                                <TabItem Content="Hello 3" Header="帮助" Icon="{StaticResource SemiIconHelpCircle}" />
                             </TabControl>
                         </Border>
                         <Border Height="300" Theme="{StaticResource CardBorder}">
@@ -82,14 +74,10 @@
                             Background="Transparent"
                             Theme="{StaticResource CardBorder}">
                             <TabControl TabStripPlacement="{Binding #place.SelectedValue}" Theme="{StaticResource CardTabControl}">
-                                <TabItem Content="Hello 1" Header="Tab 1" />
-                                <TabItem Content="Hello 2" Header="Tab 2" />
-                                <TabItem Content="Hello 3" Header="Tab 3" />
-                                <TabItem Content="中文内容" Header="中文中文" />
-                                <TabItem
-                                    Content="Hello 4"
-                                    Header="Tab 4"
-                                    IsEnabled="False" />
+                                <TabItem Content="Hello 1" Header="文档" Icon="{StaticResource SemiIconFile}" />
+                                <TabItem Content="Hello 2" Header="快速起步" Icon="{StaticResource SemiIconGlobe}" />
+                                <TabItem Content="Hello 4" Header="无效" Icon="{StaticResource SemiIconClear}" IsEnabled="False" />
+                                <TabItem Content="Hello 3" Header="帮助" Icon="{StaticResource SemiIconHelpCircle}" />
                             </TabControl>
                         </Border>
                         <Border
@@ -107,14 +95,10 @@
                     <StackPanel>
                         <Border MinHeight="150" Theme="{StaticResource CardBorder}">
                             <TabControl TabStripPlacement="{Binding #place.SelectedValue}" Theme="{StaticResource ButtonTabControl}">
-                                <TabItem Content="Hello 1" Header="Tab 1" />
-                                <TabItem Content="Hello 2" Header="Tab 2" />
-                                <TabItem Content="Hello 3" Header="Tab 3" />
-                                <TabItem Content="中文内容" Header="中文中文" />
-                                <TabItem
-                                    Content="Hello 4"
-                                    Header="Tab 4"
-                                    IsEnabled="False" />
+                                <TabItem Content="Hello 1" Header="文档" Icon="{StaticResource SemiIconFile}" />
+                                <TabItem Content="Hello 2" Header="快速起步" Icon="{StaticResource SemiIconGlobe}" />
+                                <TabItem Content="Hello 4" Header="无效" Icon="{StaticResource SemiIconClear}" IsEnabled="False" />
+                                <TabItem Content="Hello 3" Header="帮助" Icon="{StaticResource SemiIconHelpCircle}" />
                             </TabControl>
                         </Border>
                         <Border Height="300" Theme="{StaticResource CardBorder}">

demo/Semi.Avalonia.Demo/Pages/TabbedPageDemo.axaml

@@ -0,0 +1,80 @@
+<UserControl
+    x:Class="Semi.Avalonia.Demo.Pages.TabbedPageDemo"
+    xmlns="https://github.com/avaloniaui"
+    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"
+    d:DesignHeight="600"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
+    <DockPanel>
+        <ScrollViewer DockPanel.Dock="Right" Width="260">
+            <StackPanel Margin="12" Spacing="8">
+                <TextBlock Text="Configuration" FontWeight="SemiBold" FontSize="16"
+                           Foreground="{DynamicResource SemiColorText0}" />
+
+                <TextBlock Text="Tab Management" FontWeight="SemiBold" FontSize="13" />
+                <StackPanel Spacing="6">
+                    <Button Content="Add Tab" Click="OnAddTab" HorizontalAlignment="Stretch" />
+                    <Button Content="Remove Latest Tab" Click="OnRemoveTab" HorizontalAlignment="Stretch" />
+                </StackPanel>
+
+                <Separator />
+
+                <TextBlock Text="Tab Placement" FontWeight="SemiBold" FontSize="13" />
+                <ComboBox Name="PlacementCombo" SelectedIndex="0"
+                          SelectionChanged="OnPlacementChanged" HorizontalAlignment="Stretch">
+                    <ComboBoxItem Content="Top" />
+                    <ComboBoxItem Content="Bottom" />
+                    <ComboBoxItem Content="Left" />
+                    <ComboBoxItem Content="Right" />
+                </ComboBox>
+
+                <Separator />
+
+                <TextBlock Text="Status" FontWeight="SemiBold" FontSize="14" />
+                <TextBlock Name="StatusText"
+                           Text="3 tabs | Selected: Home (0)"
+                           Opacity="0.7"
+                           TextWrapping="Wrap" />
+            </StackPanel>
+        </ScrollViewer>
+
+        <Border DockPanel.Dock="Right" Width="1" Background="{DynamicResource SemiColorBackground0}" />
+
+        <Border Margin="12"
+                BorderBrush="{DynamicResource SemiColorBorder}"
+                BorderThickness="1"
+                CornerRadius="6"
+                ClipToBounds="True">
+            <TabbedPage Name="DemoTabs"
+                        TabPlacement="Top"
+                        SelectionChanged="OnSelectionChanged">
+                <ContentPage Header="Home">
+                    <StackPanel Margin="16" Spacing="8">
+                        <TextBlock Text="Home Tab" FontSize="24" FontWeight="Bold" />
+                        <TextBlock Text="Welcome to the Home tab. This is a TabbedPage sample."
+                                   TextWrapping="Wrap" />
+                        <TextBlock Text="Use the panel on the right to add or remove tabs dynamically."
+                                   TextWrapping="Wrap" Opacity="0.7" />
+                    </StackPanel>
+                </ContentPage>
+                <ContentPage Header="Search">
+                    <StackPanel Margin="16" Spacing="8">
+                        <TextBlock Text="Search Tab" FontSize="24" FontWeight="Bold" />
+                        <TextBox PlaceholderText="Type to search..." />
+                        <TextBlock Text="Search results will appear here." Opacity="0.7" />
+                    </StackPanel>
+                </ContentPage>
+                <ContentPage Header="Settings">
+                    <StackPanel Margin="16" Spacing="8">
+                        <TextBlock Text="Settings Tab" FontSize="24" FontWeight="Bold" />
+                        <CheckBox Content="Enable notifications" />
+                        <CheckBox Content="Dark mode" />
+                        <CheckBox Content="Auto-save" IsChecked="True" />
+                    </StackPanel>
+                </ContentPage>
+            </TabbedPage>
+        </Border>
+    </DockPanel>
+</UserControl>

demo/Semi.Avalonia.Demo/Pages/TabbedPageDemo.axaml.cs

@@ -0,0 +1,84 @@
+using System.Collections;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Media;
+
+namespace Semi.Avalonia.Demo.Pages;
+
+public partial class TabbedPageDemo : UserControl
+{
+    private int _tabCounter = 3;
+
+    public TabbedPageDemo()
+    {
+        InitializeComponent();
+    }
+
+    private void OnAddTab(object? sender, RoutedEventArgs e)
+    {
+        var idx = ++_tabCounter;
+        var page = new ContentPage
+        {
+            Header = $"Tab {idx}",
+            Content = new StackPanel
+            {
+                Margin = new Thickness(16),
+                Spacing = 8,
+                Children =
+                {
+                    new TextBlock
+                    {
+                        Text = $"Tab {idx}",
+                        FontSize = 24,
+                        FontWeight = FontWeight.Bold,
+                    },
+                    new TextBlock
+                    {
+                        Text = $"This tab was added dynamically (tab #{idx}).",
+                        Opacity = 0.7,
+                        TextWrapping = TextWrapping.Wrap,
+                    }
+                }
+            }
+        };
+
+        ((IList)DemoTabs.Pages!).Add(page);
+        UpdateStatus();
+    }
+
+    private void OnRemoveTab(object? sender, RoutedEventArgs e)
+    {
+        var pages = (IList)DemoTabs.Pages!;
+        if (pages.Count > 1)
+        {
+            pages.RemoveAt(pages.Count - 1);
+            UpdateStatus();
+        }
+    }
+
+    private void OnPlacementChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        if (DemoTabs == null) return;
+        DemoTabs.TabPlacement = PlacementCombo.SelectedIndex switch
+        {
+            1 => TabPlacement.Bottom,
+            2 => TabPlacement.Left,
+            3 => TabPlacement.Right,
+            _ => TabPlacement.Top
+        };
+    }
+
+    private void OnSelectionChanged(object? sender, PageSelectionChangedEventArgs e)
+    {
+        UpdateStatus();
+    }
+
+    private void UpdateStatus()
+    {
+        if (StatusText == null) return;
+        var pages = (IList)DemoTabs.Pages!;
+        var pageName = (DemoTabs.SelectedPage as ContentPage)?.Header?.ToString() ?? "—";
+        StatusText.Text = $"{pages.Count} tab{(pages.Count != 1 ? "s" : "")} | Selected: {pageName} ({DemoTabs.SelectedIndex})";
+    }
+}

demo/Semi.Avalonia.Demo/Pages/TextBoxDemo.axaml

@@ -23,36 +23,36 @@
                 <TextBox
                     Width="100"
                     Classes="Large"
-                    Watermark="Large" />
+                    PlaceholderText="Large" />
                 <TextBox
                     Width="100"
-                    Watermark="Default" />
+                    PlaceholderText="Default" />
                 <TextBox
                     Width="100"
                     Classes="Small"
-                    Watermark="Small" />
+                    PlaceholderText="Small" />
             </StackPanel>
 
             <StackPanel Orientation="Horizontal">
                 <TextBox
                     Width="100"
                     IsEnabled="False"
-                    Watermark="Disabled" />
+                    PlaceholderText="Disabled" />
                 <TextBox
                     Width="100"
                     Classes="Bordered"
-                    Watermark="Bordered" />
+                    PlaceholderText="Bordered" />
                 <TextBox
                     Width="100"
                     Classes="Bordered"
                     IsEnabled="False" />
             </StackPanel>
-            <TextBox Width="300" Classes="TextArea" Watermark="TextArea TextBox" />
+            <TextBox Width="300" Classes="TextArea" PlaceholderText="TextArea TextBox" />
             <TextBox Width="300" Classes="TextArea ClearButton" Text="TextArea with ClearButton - text should be clearable" />
             <TextBox
                 Width="300"
                 Theme="{StaticResource LooklessTextBox}"
-                Watermark="Lookless TextBox"
+                PlaceholderText="Lookless TextBox"
                 InnerLeftContent="https://"
                 InnerRightContent=".com" />
         </StackPanel>

demo/Semi.Avalonia.Demo/Pages/TreeDataGridDemo.axaml

@@ -1,126 +0,0 @@
-<UserControl xmlns="https://github.com/avaloniaui"
-             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"
-             xmlns:vm="clr-namespace:Semi.Avalonia.Demo.ViewModels"
-             xmlns:converters="clr-namespace:Semi.Avalonia.Demo.Converters"
-             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-             x:Class="Semi.Avalonia.Demo.Pages.TreeDataGridDemo"
-             x:DataType="vm:TreeDataGridDemoViewModel">
-    <UserControl.Resources>
-        <converters:FileIconConverter x:Key="FileIconConverter">
-            <StaticResource x:Key="file" ResourceKey="SemiIconFile" />
-            <StaticResource x:Key="folderOpen" ResourceKey="SemiIconFolderOpen" />
-            <StaticResource x:Key="folderClosed" ResourceKey="SemiIconFolder" />
-        </converters:FileIconConverter>
-    </UserControl.Resources>
-    <TabControl>
-        <TabItem Header="Songs">
-            <TreeDataGrid
-                AutoDragDropRows="True"
-                DataContext="{Binding SongsContext}"
-                Source="{Binding Songs}">
-                <TreeDataGrid.Resources>
-                    <DataTemplate x:Key="AlbumCell" DataType="vm:SongViewModel">
-                        <TextBlock
-                            HorizontalAlignment="Stretch"
-                            VerticalAlignment="Center"
-                            Background="Transparent"
-                            Text="{Binding Album}" />
-                    </DataTemplate>
-                    <DataTemplate x:Key="AlbumEditCell" DataType="vm:SongViewModel">
-                        <ComboBox
-                            VerticalAlignment="Center"
-                            Classes="Small"
-                            ItemsSource="{x:Static vm:Song.Albums}"
-                            SelectedItem="{Binding Album}" />
-                    </DataTemplate>
-                    <DataTemplate x:Key="CommentsCell" DataType="vm:SongViewModel">
-                        <TextBlock VerticalAlignment="Center" Text="{Binding CountOfComment}" />
-                    </DataTemplate>
-                    <DataTemplate x:Key="CommentsEditCell" DataType="vm:SongViewModel">
-                        <NumericUpDown
-                            Width="100"
-                            HorizontalAlignment="Left"
-                            VerticalAlignment="Center"
-                            Classes="Small"
-                            Value="{Binding CountOfComment}" />
-                    </DataTemplate>
-                </TreeDataGrid.Resources>
-                <TreeDataGrid.Styles>
-                    <Style Selector="TreeDataGrid TreeDataGridRow:nth-last-child(2n)">
-                        <Setter Property="Background" Value="{DynamicResource SemiColorFill0}" />
-                    </Style>
-                </TreeDataGrid.Styles>
-            </TreeDataGrid>
-        </TabItem>
-        <TabItem Header="Files">
-            <Grid DataContext="{Binding FilesContext}" RowDefinitions="Auto, *">
-                <DockPanel Margin="0,4" DockPanel.Dock="Top">
-                    <ComboBox
-                        DockPanel.Dock="Left"
-                        ItemsSource="{Binding Drives}"
-                        SelectedItem="{Binding SelectedDrive}" />
-                    <TextBox
-                        Margin="4,0,0,0"
-                        VerticalContentAlignment="Center"
-                        KeyDown="SelectedPath_KeyDown"
-                        Text="{Binding SelectedPath, Mode=OneWay}" />
-                </DockPanel>
-                <TreeDataGrid
-                    Name="fileViewer"
-                    Grid.Row="1"
-                    Source="{Binding Source}">
-                    <TreeDataGrid.Resources>
-
-                        <!--  Template for Name column cells  -->
-                        <DataTemplate x:Key="FileNameCell" DataType="vm:FileNodeViewModel">
-                            <StackPanel Orientation="Horizontal">
-                                <PathIcon
-                                    Theme="{StaticResource InnerPathIcon}"
-                                    Margin="8,0">
-                                    <PathIcon.Data>
-                                        <MultiBinding Converter="{StaticResource FileIconConverter}">
-                                            <Binding Path="IsDirectory" />
-                                            <Binding Path="IsExpanded" />
-                                        </MultiBinding>
-                                    </PathIcon.Data>
-                                </PathIcon>
-                                <TextBlock VerticalAlignment="Center" Text="{Binding Name}" />
-                            </StackPanel>
-                        </DataTemplate>
-
-                        <!--  Edit template for Name column cells  -->
-                        <DataTemplate x:Key="FileNameEditCell" DataType="vm:FileNodeViewModel">
-                            <StackPanel Orientation="Horizontal">
-                                <Image Margin="0,0,4,0" VerticalAlignment="Center">
-                                    <Image.Source>
-                                        <MultiBinding Converter="{StaticResource FileIconConverter}">
-                                            <Binding Path="IsDirectory" />
-                                            <Binding Path="IsExpanded" />
-                                        </MultiBinding>
-                                    </Image.Source>
-                                </Image>
-                                <TextBox
-                                    VerticalAlignment="Center"
-                                    Classes="Small"
-                                    Text="{Binding Name}">
-                                    <TextBox.Styles>
-                                        <Style Selector="DataValidationErrors">
-                                            <Setter Property="Theme" Value="{DynamicResource TooltipDataValidationErrors}" />
-                                        </Style>
-                                    </TextBox.Styles>
-                                </TextBox>
-                            </StackPanel>
-                        </DataTemplate>
-                    </TreeDataGrid.Resources>
-                    <TreeDataGrid.Styles>
-                        <Style Selector="TreeDataGrid TreeDataGridRow:nth-child(2n)">
-                            <Setter Property="Background" Value="{DynamicResource SemiColorFill0}" />
-                        </Style>
-                    </TreeDataGrid.Styles>
-                </TreeDataGrid>
-            </Grid>
-        </TabItem>
-    </TabControl>
-</UserControl>

demo/Semi.Avalonia.Demo/Pages/TreeDataGridDemo.axaml.cs

@@ -1,22 +0,0 @@
-using Avalonia.Controls;
-using Avalonia.Input;
-using Semi.Avalonia.Demo.ViewModels;
-
-namespace Semi.Avalonia.Demo.Pages;
-
-public partial class TreeDataGridDemo : UserControl
-{
-    public TreeDataGridDemo()
-    {
-        InitializeComponent();
-        this.DataContext = new TreeDataGridDemoViewModel();
-    }
-
-    private void SelectedPath_KeyDown(object? sender, KeyEventArgs e)
-    {
-        if (e.Key == Key.Enter && DataContext is TreeDataGridDemoViewModel vm)
-        {
-            vm.FilesContext.SelectedPath = (sender as TextBox)?.Text;
-        }
-    }
-}

demo/Semi.Avalonia.Demo/Pages/VariablesDemo.axaml

@@ -1,4 +1,4 @@
-<UserControl xmlns="https://github.com/avaloniaui"
+<UserControl xmlns="https://github.com/avaloniaui"
              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"
@@ -17,7 +17,7 @@
             Margin="8"
             Classes="ClearButton"
             Text="{Binding SearchText}"
-            Watermark="Input Variable Category/ResourceKey/Type/Value/Description" />
+            PlaceholderText="Input Variable Category/ResourceKey/Type/Value/Description" />
 
         <DataGrid
             Grid.Row="1"
@@ -86,8 +86,7 @@
                 <DataGridTemplateColumn
                     Width="100"
                     x:DataType="vm:VariableItem"
-                    Header="CopyText"
-                    SortMemberPath="Duration">
+                    Header="CopyText">
                     <DataGridTemplateColumn.CellTemplate>
                         <DataTemplate DataType="vm:VariableItem">
                             <Button

demo/Semi.Avalonia.Demo/Pages/VariablesDemo.axaml.cs

@@ -1,5 +1,6 @@
-using System.Threading.Tasks;
+using System.Threading.Tasks;
 using Avalonia.Controls;
+using Avalonia.Input.Platform;
 using Semi.Avalonia.Demo.ViewModels;
 
 namespace Semi.Avalonia.Demo.Pages;

demo/Semi.Avalonia.Demo/Pages/WindowCustomizationsPage.axaml

@@ -0,0 +1,32 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             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"
+             x:Class="Semi.Avalonia.Demo.Pages.WindowCustomizationsPage"
+             x:CompileBindings="True">
+
+    <StackPanel
+        Spacing="10"
+        IsEnabled="{OnFormFactor False, Desktop=True}">
+        <TextBlock Classes="H2" Text="Desktop properties" />
+
+        <CheckBox Content="Extend Client Area to Decorations"
+                  IsChecked="{Binding $parent[Window].ExtendClientAreaToDecorationsHint}" />
+
+        <Slider IsEnabled="{Binding $parent[Window].ExtendClientAreaToDecorationsHint}"
+                HorizontalAlignment="Left"
+                Width="201" Minimum="-1" Maximum="200"
+                Value="{Binding $parent[Window].ExtendClientAreaTitleBarHeightHint}" />
+
+        <CheckBox Content="Can Resize"
+                  IsChecked="{Binding $parent[Window].CanResize}" />
+
+        <CheckBox Content="Can Minimize"
+                  IsChecked="{Binding $parent[Window].CanMinimize}" />
+
+        <CheckBox Content="Can Maximize"
+                  IsChecked="{Binding $parent[Window].CanMaximize}"
+                  IsEnabled="{Binding $parent[Window].CanResize}" />
+    </StackPanel>
+</UserControl>

demo/Semi.Avalonia.Demo/Pages/WindowCustomizationsPage.axaml.cs

@@ -0,0 +1,12 @@
+using Avalonia.Controls;
+
+namespace Semi.Avalonia.Demo.Pages
+{
+    public partial class WindowCustomizationsPage : UserControl
+    {
+        public WindowCustomizationsPage()
+        {
+            InitializeComponent();
+        }
+    }
+}

demo/Semi.Avalonia.Demo/Semi.Avalonia.Demo.csproj

@@ -14,19 +14,18 @@
         <PackageReference Include="Avalonia"/>
         <PackageReference Include="Avalonia.Controls.ColorPicker"/>
         <PackageReference Include="Avalonia.Controls.DataGrid"/>
-        <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
-        <PackageReference Include="Avalonia.Diagnostics">
+        <!--Condition below is needed to remove AvaloniaUI.DiagnosticsSupport package from build output in Release configuration.-->
+        <PackageReference Include="AvaloniaUI.DiagnosticsSupport">
             <IncludeAssets Condition="'$(Configuration)' != 'Debug'">None</IncludeAssets>
             <PrivateAssets Condition="'$(Configuration)' != 'Debug'">All</PrivateAssets>
         </PackageReference>
         <PackageReference Include="CommunityToolkit.Mvvm"/>
-        <PackageReference Include="Irihi.Avalonia.Shared"/>
     </ItemGroup>
 
     <ItemGroup>
         <ProjectReference Include="..\..\src\Semi.Avalonia\Semi.Avalonia.csproj"/>
         <ProjectReference Include="..\..\src\Semi.Avalonia.ColorPicker\Semi.Avalonia.ColorPicker.csproj"/>
         <ProjectReference Include="..\..\src\Semi.Avalonia.DataGrid\Semi.Avalonia.DataGrid.csproj"/>
-        <ProjectReference Include="..\..\src\Semi.Avalonia.TreeDataGrid\Semi.Avalonia.TreeDataGrid.csproj"/>
+<!--        <ProjectReference Include="..\..\src\Semi.Avalonia.TreeDataGrid\Semi.Avalonia.TreeDataGrid.csproj"/>-->
     </ItemGroup>
 </Project>

demo/Semi.Avalonia.Demo/ViewModels/TreeDataGridDemo/FilesPageViewModel.cs

@@ -1,363 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using System.ComponentModel;
-using System.Diagnostics;
-using System.IO;
-using System.Linq;
-using System.Runtime.InteropServices;
-using Avalonia.Controls;
-using Avalonia.Controls.Models.TreeDataGrid;
-using Avalonia.Controls.Selection;
-using Avalonia.Threading;
-using CommunityToolkit.Mvvm.ComponentModel;
-
-namespace Semi.Avalonia.Demo.ViewModels;
-
-public partial class FilesPageViewModel : ObservableObject
-{
-    public IList<string> Drives { get; }
-    public HierarchicalTreeDataGridSource<FileNodeViewModel> Source { get; }
-    [ObservableProperty] private string _selectedDrive;
-    private string? _selectedPath;
-    [ObservableProperty] private FileNodeViewModel? _root;
-
-    public string? SelectedPath
-    {
-        get => _selectedPath;
-        set => SetSelectedPath(value);
-    }
-
-    partial void OnSelectedDriveChanged(string value)
-    {
-        Root = new FileNodeViewModel(value, true, true);
-        if (Source is not null)
-        {
-            Source.Items = [Root];
-        }
-    }
-
-    public FilesPageViewModel()
-    {
-        Drives = DriveInfo.GetDrives().Select(x => x.Name).ToList();
-        if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
-        {
-            SelectedDrive = @"C:\";
-        }
-        else
-        {
-            SelectedDrive = Drives.FirstOrDefault() ?? "/";
-        }
-
-        Source = new HierarchicalTreeDataGridSource<FileNodeViewModel>([])
-        {
-            Columns =
-            {
-                new CheckBoxColumn<FileNodeViewModel>(
-                    null,
-                    x => x.IsChecked,
-                    (o, v) => o.IsChecked = v,
-                    options: new CheckBoxColumnOptions<FileNodeViewModel>
-                    {
-                        CanUserResizeColumn = false,
-                    }),
-                new HierarchicalExpanderColumn<FileNodeViewModel>(
-                    new TemplateColumn<FileNodeViewModel>(
-                        "Name",
-                        "FileNameCell",
-                        "FileNameEditCell",
-                        new GridLength(1, GridUnitType.Star),
-                        new TemplateColumnOptions<FileNodeViewModel>
-                        {
-                            CompareAscending = FileNodeViewModel.SortAscending(vm => vm.Name),
-                            CompareDescending = FileNodeViewModel.SortDescending(vm => vm.Name),
-                            IsTextSearchEnabled = true,
-                            TextSearchValueSelector = vm => vm.Name
-                        }),
-                    vm => vm.Children,
-                    vm => vm.HasChildren,
-                    vm => vm.IsExpanded),
-                new TextColumn<FileNodeViewModel, long?>(
-                    "Size",
-                    vm => vm.Size,
-                    options: new TextColumnOptions<FileNodeViewModel>
-                    {
-                        CompareAscending = FileNodeViewModel.SortAscending(x => x.Size),
-                        CompareDescending = FileNodeViewModel.SortDescending(x => x.Size),
-                    }),
-                new TextColumn<FileNodeViewModel, DateTimeOffset?>(
-                    "Modified",
-                    x => x.Modified,
-                    options: new TextColumnOptions<FileNodeViewModel>
-                    {
-                        CompareAscending = FileNodeViewModel.SortAscending(x => x.Modified),
-                        CompareDescending = FileNodeViewModel.SortDescending(x => x.Modified),
-                    }),
-            }
-        };
-        Source.RowSelection!.SingleSelect = false;
-        Source.RowSelection.SelectionChanged += SelectionChanged;
-    }
-
-    private void SelectionChanged(object? sender, TreeSelectionModelSelectionChangedEventArgs<FileNodeViewModel> e)
-    {
-        var selectedPath = Source.RowSelection?.SelectedItem?.Path;
-        this.SetProperty(ref _selectedPath, selectedPath, nameof(SelectedPath));
-
-        foreach (var i in e.DeselectedItems)
-            Trace.WriteLine($"Deselected '{i?.Path}'");
-        foreach (var i in e.SelectedItems)
-            Trace.WriteLine($"Selected '{i?.Path}'");
-    }
-    private void SetSelectedPath(string? path)
-    {
-        if (string.IsNullOrEmpty(path))
-        {
-            Source.RowSelection!.Clear();
-            return;
-        }
-
-        var components = new Stack<string>();
-        DirectoryInfo? d = null;
-
-        if (File.Exists(path))
-        {
-            var f = new FileInfo(path);
-            components.Push(f.Name);
-            d = f.Directory;
-        }
-        else if (Directory.Exists(path))
-        {
-            d = new DirectoryInfo(path);
-        }
-
-        while (d is not null)
-        {
-            components.Push(d.Name);
-            d = d.Parent;
-        }
-
-        var index = IndexPath.Unselected;
-
-        if (components.Count > 0)
-        {
-            var drive = components.Pop();
-            var driveIndex = Drives.FindIndex(x => string.Equals(x, drive, StringComparison.OrdinalIgnoreCase));
-
-            if (driveIndex >= 0)
-                SelectedDrive = Drives[driveIndex];
-
-            var node = Root;
-            index = new IndexPath(0);
-
-            while (node is not null && components.Count > 0)
-            {
-                node.IsExpanded = true;
-
-                var component = components.Pop();
-                var i = node.Children.FindIndex(x => string.Equals(x.Name, component, StringComparison.OrdinalIgnoreCase));
-                node = i >= 0 ? node.Children[i] : null;
-                index = i >= 0 ? index.Append(i) : default;
-            }
-        }
-
-        Source.Items = [Root!];
-        Source.RowSelection!.SelectedIndex = index;
-    }
-}
-
-public partial class FileNodeViewModel : ObservableObject, IEditableObject
-{
-    [ObservableProperty] private string _path;
-    [ObservableProperty] private string _name;
-    private string? _undoName;
-    [ObservableProperty] private long? _size;
-    [ObservableProperty] private DateTimeOffset? _modified;
-    private FileSystemWatcher? _watcher;
-    private ObservableCollection<FileNodeViewModel>? _children;
-    [ObservableProperty] private bool _hasChildren = true;
-    [ObservableProperty] private bool _isExpanded;
-
-    public FileNodeViewModel(string path, bool isDirectory, bool isRoot = false)
-    {
-        Path = path;
-        Name = isRoot ? path : System.IO.Path.GetFileName(Path);
-        IsExpanded = isRoot;
-        IsDirectory = isDirectory;
-        HasChildren = isDirectory;
-
-        if (!isDirectory)
-        {
-            var info = new FileInfo(path);
-            Size = info.Length;
-            Modified = info.LastWriteTimeUtc;
-        }
-    }
-
-    public bool IsChecked { get; set; }
-    public bool IsDirectory { get; }
-    public IReadOnlyList<FileNodeViewModel> Children => _children ??= LoadChildren();
-
-    private ObservableCollection<FileNodeViewModel> LoadChildren()
-    {
-        if (!IsDirectory)
-        {
-            throw new NotSupportedException();
-        }
-
-        var options = new EnumerationOptions { IgnoreInaccessible = true };
-        var result = new ObservableCollection<FileNodeViewModel>();
-
-        foreach (var d in Directory.EnumerateDirectories(Path, "*", options))
-        {
-            result.Add(new FileNodeViewModel(d, true));
-        }
-
-        foreach (var f in Directory.EnumerateFiles(Path, "*", options))
-        {
-            result.Add(new FileNodeViewModel(f, false));
-        }
-
-        _watcher = new FileSystemWatcher
-        {
-            Path = Path,
-            NotifyFilter = NotifyFilters.FileName | NotifyFilters.Size | NotifyFilters.LastWrite,
-        };
-
-        _watcher.Changed += OnChanged;
-        _watcher.Created += OnCreated;
-        _watcher.Deleted += OnDeleted;
-        _watcher.Renamed += OnRenamed;
-        _watcher.EnableRaisingEvents = true;
-
-        if (result.Count == 0)
-            HasChildren = false;
-
-        return result;
-    }
-
-    public static Comparison<FileNodeViewModel?> SortAscending<T>(Func<FileNodeViewModel, T> selector)
-    {
-        return (x, y) =>
-        {
-            if (x is null && y is null)
-                return 0;
-            else if (x is null)
-                return -1;
-            else if (y is null)
-                return 1;
-            if (x.IsDirectory == y.IsDirectory)
-                return Comparer<T>.Default.Compare(selector(x), selector(y));
-            else if (x.IsDirectory)
-                return -1;
-            else
-                return 1;
-        };
-    }
-
-    public static Comparison<FileNodeViewModel?> SortDescending<T>(Func<FileNodeViewModel, T> selector)
-    {
-        return (x, y) =>
-        {
-            if (x is null && y is null)
-                return 0;
-            else if (x is null)
-                return 1;
-            else if (y is null)
-                return -1;
-            if (x.IsDirectory == y.IsDirectory)
-                return Comparer<T>.Default.Compare(selector(y), selector(x));
-            else if (x.IsDirectory)
-                return -1;
-            else
-                return 1;
-        };
-    }
-
-    void IEditableObject.BeginEdit() => _undoName = Name;
-    void IEditableObject.CancelEdit() => Name = _undoName ?? string.Empty;
-    void IEditableObject.EndEdit() => _undoName = null;
-
-    private void OnChanged(object sender, FileSystemEventArgs e)
-    {
-        if (e.ChangeType == WatcherChangeTypes.Changed && File.Exists(e.FullPath))
-        {
-            Dispatcher.UIThread.Post(() =>
-            {
-                foreach (var child in _children!)
-                {
-                    if (child.Path == e.FullPath)
-                    {
-                        if (!child.IsDirectory)
-                        {
-                            var info = new FileInfo(e.FullPath);
-                            child.Size = info.Length;
-                            child.Modified = info.LastWriteTimeUtc;
-                        }
-
-                        break;
-                    }
-                }
-            });
-        }
-    }
-
-    private void OnCreated(object sender, FileSystemEventArgs e)
-    {
-        Dispatcher.UIThread.Post(() =>
-        {
-            var node = new FileNodeViewModel(
-                e.FullPath,
-                File.GetAttributes(e.FullPath).HasFlag(FileAttributes.Directory));
-            _children!.Add(node);
-        });
-    }
-
-    private void OnDeleted(object sender, FileSystemEventArgs e)
-    {
-        Dispatcher.UIThread.Post(() =>
-        {
-            for (var i = 0; i < _children!.Count; ++i)
-            {
-                if (_children[i].Path == e.FullPath)
-                {
-                    _children.RemoveAt(i);
-                    Debug.WriteLine($"Removed {e.FullPath}");
-                    break;
-                }
-            }
-        });
-    }
-
-    private void OnRenamed(object sender, RenamedEventArgs e)
-    {
-        Dispatcher.UIThread.Post(() =>
-        {
-            foreach (var child in _children!)
-            {
-                if (child.Path == e.OldFullPath)
-                {
-                    child.Path = e.FullPath;
-                    child.Name = e.Name ?? string.Empty;
-                    break;
-                }
-            }
-        });
-    }
-}
-
-internal static class ListExtensions
-{
-    public static int FindIndex<T>(this IEnumerable<T> source, Func<T, bool> predicate)
-    {
-        int i = 0;
-        foreach (var item in source)
-        {
-            if (predicate(item))
-                return i;
-            i++;
-        }
-
-        return -1;
-    }
-}

demo/Semi.Avalonia.Demo/ViewModels/TreeDataGridDemo/SongsPageViewModel.cs

@@ -1,54 +0,0 @@
-using System.Collections.ObjectModel;
-using System.Linq;
-using Avalonia.Controls;
-using Avalonia.Controls.Models.TreeDataGrid;
-using CommunityToolkit.Mvvm.ComponentModel;
-
-namespace Semi.Avalonia.Demo.ViewModels;
-
-public class SongsPageViewModel : ObservableObject
-{
-    public FlatTreeDataGridSource<SongViewModel> Songs { get; }
-
-    public SongsPageViewModel()
-    {
-        var songs = new ObservableCollection<SongViewModel>(Song.Songs.Select(a => new SongViewModel()
-        {
-            Title = a.Title,
-            Artist = a.Artist,
-            Album = a.Album,
-            CountOfComment = a.CountOfComment,
-            IsSelected = false
-        }));
-
-        Songs = new FlatTreeDataGridSource<SongViewModel>(songs)
-        {
-            Columns =
-            {
-                new CheckBoxColumn<SongViewModel>(
-                    "IsSelected",
-                    a => a.IsSelected,
-                    (model, b) => { model.IsSelected = b; },
-                    new GridLength(108, GridUnitType.Pixel)),
-                new TextColumn<SongViewModel, string>(
-                    "Title",
-                    a => a.Title,
-                    (o, a) => o.Title = a,
-                    new GridLength(6, GridUnitType.Star)),
-                new TextColumn<SongViewModel, string>("Artist",
-                    a => a.Artist,
-                    (o, a) => o.Artist = a,
-                    new GridLength(6, GridUnitType.Star)),
-                new TemplateColumn<SongViewModel>("Album",
-                    "AlbumCell",
-                    "AlbumEditCell",
-                    new GridLength(6, GridUnitType.Star)),
-                new TemplateColumn<SongViewModel>(
-                    "Comments",
-                    "CommentsCell",
-                    "CommentsEditCell",
-                    new GridLength(6, GridUnitType.Star)),
-            }
-        };
-    }
-}

demo/Semi.Avalonia.Demo/ViewModels/TreeDataGridDemo/TreeDataGridDemoViewModel.cs

@@ -1,9 +0,0 @@
-using CommunityToolkit.Mvvm.ComponentModel;
-
-namespace Semi.Avalonia.Demo.ViewModels;
-
-public class TreeDataGridDemoViewModel : ObservableObject
-{
-    public SongsPageViewModel SongsContext { get; } = new();
-    public FilesPageViewModel FilesContext { get; } = new();
-}

demo/Semi.Avalonia.Demo/ViewModels/VariablesDemoViewModel.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Globalization;
 using Avalonia;

demo/Semi.Avalonia.Demo/Views/MainView.axaml

@@ -16,9 +16,9 @@
             <Setter Property="Template">
                 <ControlTemplate TargetType="TabItem">
                     <TextBlock
-                        FontWeight="Bold"
-                        FontSize="12"
                         Margin="4"
+                        FontSize="12"
+                        FontWeight="Bold"
                         Text="{TemplateBinding Header}" />
                 </ControlTemplate>
             </Setter>
@@ -37,48 +37,44 @@
                 <StackPanel Orientation="Horizontal" Spacing="8">
                     <ToggleSwitch
                         Name="ExpandButton"
-                        Theme="{DynamicResource IconBorderlessToggleSwitch}"
-                        Content="{StaticResource SemiIconSidebar}" />
+                        Content="{StaticResource SemiIconSidebar}"
+                        Theme="{DynamicResource IconBorderlessToggleSwitch}" />
                     <SelectableTextBlock
                         VerticalAlignment="Center"
                         Classes="H6"
                         Text="Semi Avalonia"
                         Theme="{DynamicResource TitleSelectableTextBlock}" />
-                    <SelectableTextBlock
-                        VerticalAlignment="Center"
-                        Text="/" />
+                    <SelectableTextBlock VerticalAlignment="Center" Text="/" />
                     <SelectableTextBlock
                         VerticalAlignment="Center"
                         Classes="Secondary"
                         Text="{ReflectionBinding #tab.SelectedItem.Header}" />
                 </StackPanel>
-                <StackPanel Orientation="Horizontal" HorizontalAlignment="Right">
+                <StackPanel HorizontalAlignment="Right" Orientation="Horizontal">
                     <Button
-                        Theme="{DynamicResource IconBorderlessButton}"
                         Command="{Binding OpenUrlCommand}"
                         CommandParameter="{Binding DocumentationUrl}"
-                        Content="{StaticResource SemiIconGlobe}" />
+                        Content="{StaticResource SemiIconGlobe}"
+                        Theme="{DynamicResource IconBorderlessButton}" />
 
                     <Button
-                        Theme="{DynamicResource IconBorderlessButton}"
                         Command="{Binding OpenUrlCommand}"
                         CommandParameter="{Binding RepoUrl}"
-                        Content="{StaticResource SemiIconGithubLogo}" />
+                        Content="{StaticResource SemiIconGithubLogo}"
+                        Theme="{DynamicResource IconBorderlessButton}" />
 
                     <ToggleSwitch
-                        Theme="{DynamicResource IconBorderlessToggleSwitch}"
                         Command="{Binding ToggleThemeCommand}"
+                        OffContent="{StaticResource SemiIconSun}"
                         OnContent="{StaticResource SemiIconMoon}"
-                        OffContent="{StaticResource SemiIconSun}" />
+                        Theme="{DynamicResource IconBorderlessToggleSwitch}" />
 
-                    <Button
-                        Theme="{DynamicResource IconBorderlessButton}"
-                        Content="{StaticResource SemiIconMenu}">
+                    <Button Content="{StaticResource SemiIconMenu}" Theme="{DynamicResource IconBorderlessButton}">
                         <Button.Flyout>
-                            <MenuFlyout Placement="Bottom" ItemsSource="{Binding MenuItems}" />
+                            <MenuFlyout ItemsSource="{Binding MenuItems}" Placement="Bottom" />
                         </Button.Flyout>
                         <Button.Styles>
-                            <Style Selector="MenuItem" x:DataType="views:MenuItemViewModel">
+                            <Style x:DataType="views:MenuItemViewModel" Selector="MenuItem">
                                 <Setter Property="Header" Value="{Binding Header}" />
                                 <Setter Property="ItemsSource" Value="{Binding Items}" />
                                 <Setter Property="Command" Value="{Binding Command}" />
@@ -94,8 +90,8 @@
             Grid.Row="1"
             Margin="8"
             Padding="20,0,0,0"
-            TabStripPlacement="Left"
             Classes.Dismiss="{Binding #ExpandButton.IsChecked}"
+            TabStripPlacement="Left"
             Theme="{DynamicResource ScrollLineTabControl}">
             <TabControl.Styles>
                 <Style Selector=".Dismiss /template/ ScrollViewer#PART_ScrollViewer">
@@ -113,9 +109,7 @@
             <TabItem Header="About Us">
                 <pages:AboutUs />
             </TabItem>
-            <TabItem
-                Theme="{DynamicResource CategoryTabItem}"
-                Header="Resource Browser" />
+            <TabItem Header="Resource Browser" Theme="{DynamicResource CategoryTabItem}" />
             <TabItem Header="Palette">
                 <pages:PaletteDemo />
             </TabItem>
@@ -128,21 +122,17 @@
             <TabItem Header="Icon">
                 <pages:IconDemo />
             </TabItem>
-            <TabItem
-                Theme="{DynamicResource CategoryTabItem}"
-                Header="Separate Pack" />
+            <TabItem Header="Separate Pack" Theme="{DynamicResource CategoryTabItem}" />
             <TabItem Header="ColorPicker">
                 <pages:ColorPickerDemo />
             </TabItem>
             <TabItem Header="DataGrid">
                 <pages:DataGridDemo />
             </TabItem>
-            <TabItem Header="TreeDataGrid">
-                <pages:TreeDataGridDemo />
-            </TabItem>
-            <TabItem
-                Theme="{DynamicResource CategoryTabItem}"
-                Header="Basic" />
+            <!-- <TabItem Header="TreeDataGrid"> -->
+            <!--     <pages:TreeDataGridDemo /> -->
+            <!-- </TabItem> -->
+            <TabItem Header="Basic" Theme="{DynamicResource CategoryTabItem}" />
             <TabItem Header="TextBlock">
                 <pages:TextBlockDemo />
             </TabItem>
@@ -155,9 +145,7 @@
             <TabItem Header="PathIcon">
                 <pages:PathIconDemo />
             </TabItem>
-            <TabItem
-                Theme="{DynamicResource CategoryTabItem}"
-                Header="Button" />
+            <TabItem Header="Button" Theme="{DynamicResource CategoryTabItem}" />
             <TabItem Header="Button">
                 <pages:ButtonDemo />
             </TabItem>
@@ -173,9 +161,7 @@
             <TabItem Header="ToggleSwitch">
                 <pages:ToggleSwitchDemo />
             </TabItem>
-            <TabItem
-                Theme="{DynamicResource CategoryTabItem}"
-                Header="Input" />
+            <TabItem Header="Input" Theme="{DynamicResource CategoryTabItem}" />
             <TabItem Header="TextBox">
                 <pages:TextBoxDemo />
             </TabItem>
@@ -197,9 +183,7 @@
             <TabItem Header="ManagedFileChooser">
                 <pages:ManagedFileChooserDemo />
             </TabItem>
-            <TabItem
-                Theme="{DynamicResource CategoryTabItem}"
-                Header="Date/Time" />
+            <TabItem Header="Date/Time" Theme="{DynamicResource CategoryTabItem}" />
             <TabItem Header="Calendar">
                 <pages:CalendarDemo />
             </TabItem>
@@ -212,9 +196,22 @@
             <TabItem Header="TimePicker">
                 <pages:TimePickerDemo />
             </TabItem>
-            <TabItem
-                Theme="{DynamicResource CategoryTabItem}"
-                Header="Navigation" />
+            <TabItem Header="Navigation" Theme="{DynamicResource CategoryTabItem}" />
+            <TabItem Header="ContentPage">
+                <pages:ContentPageDemo />
+            </TabItem>
+            <TabItem Header="CarouselPage">
+                <pages:CarouselPageDemo />
+            </TabItem>
+            <TabItem Header="DrawerPage">
+                <pages:DrawerPageDemo />
+            </TabItem>
+            <TabItem Header="NavigationPage">
+                <pages:NavigationPageDemo />
+            </TabItem>
+            <TabItem Header="TabbedPage">
+                <pages:TabbedPageDemo />
+            </TabItem>
             <TabItem Header="TabControl">
                 <pages:TabControlDemo />
             </TabItem>
@@ -224,12 +221,13 @@
             <TabItem Header="TreeView">
                 <pages:TreeViewDemo />
             </TabItem>
-            <TabItem
-                Theme="{DynamicResource CategoryTabItem}"
-                Header="Show" />
+            <TabItem Header="Show" Theme="{DynamicResource CategoryTabItem}" />
             <TabItem Header="Carousel">
                 <pages:CarouselDemo />
             </TabItem>
+            <TabItem Header="PipsPager">
+                <pages:PipsPagerDemo />
+            </TabItem>
             <TabItem Header="Expander">
                 <pages:ExpanderDemo />
             </TabItem>
@@ -251,9 +249,7 @@
             <TabItem Header="ToolTip">
                 <pages:ToolTipDemo />
             </TabItem>
-            <TabItem
-                Theme="{DynamicResource CategoryTabItem}"
-                Header="Feedback" />
+            <TabItem Header="Feedback" Theme="{DynamicResource CategoryTabItem}" />
             <TabItem Header="DataValidationErrors">
                 <pages:DataValidationErrorsDemo />
             </TabItem>
@@ -266,9 +262,10 @@
             <TabItem Header="RefreshContainer">
                 <pages:RefreshContainerDemo />
             </TabItem>
-            <TabItem
-                Theme="{DynamicResource CategoryTabItem}"
-                Header="Other" />
+            <TabItem Header="Other" Theme="{DynamicResource CategoryTabItem}" />
+            <TabItem Header="CommandBar">
+                <pages:CommandBarDemo />
+            </TabItem>
             <TabItem Header="GridSplitter">
                 <pages:GridSplitterDemo />
             </TabItem>
@@ -281,6 +278,9 @@
             <TabItem Header="ThemeVariantScope">
                 <pages:ThemeVariantDemo />
             </TabItem>
+            <TabItem Header="WindowCustomizationsPage">
+                <pages:WindowCustomizationsPage />
+            </TabItem>
         </TabControl>
     </Grid>
 </UserControl>

demo/Semi.Avalonia.Demo/Views/MainWindow.axaml

@@ -5,10 +5,11 @@
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:views="clr-namespace:Semi.Avalonia.Demo.Views"
-    Title="Semi.Avalonia.Demo"
+    Title="Semi Avalonia Demo"
     d:DesignHeight="450"
     d:DesignWidth="800"
+    ExtendClientAreaToDecorationsHint="True"
     Icon="/Assets/irihi.ico"
     mc:Ignorable="d">
-    <views:MainView />
+    <views:MainView Margin="{Binding $parent[Window].WindowDecorationMargin}" />
 </Window>

demo/Semi.Avalonia.Demo/Views/MainWindow.axaml.cs

@@ -1,11 +1,38 @@
 using Avalonia.Controls;
+using Avalonia.Input;
 
 namespace Semi.Avalonia.Demo.Views;
 
 public partial class MainWindow : Window
 {
+    private WindowState _stateBeforeFullScreen = WindowState.Normal;
+
     public MainWindow()
     {
         InitializeComponent();
+        KeyDown += FullScreenKeyDown;
+    }
+
+    private void FullScreenKeyDown(object? sender, KeyEventArgs e)
+    {
+        if (e.Key == Key.F11)
+        {
+            
+            ToggleFullScreen();
+            e.Handled = true;
+        }
+    }
+
+    private void ToggleFullScreen()
+    {
+        if (WindowState is not WindowState.FullScreen)
+        {
+            _stateBeforeFullScreen = WindowState;
+            WindowState = WindowState.FullScreen;
+        }
+        else
+        {
+            WindowState = _stateBeforeFullScreen;
+        }
     }
 }

src/Directory.Build.props

@@ -16,6 +16,7 @@
         <PackageProjectUrl>https://github.com/irihitech/Semi.Avalonia</PackageProjectUrl>
         <PackageLicenseExpression>MIT</PackageLicenseExpression>
         <PackageIcon>irihi.png</PackageIcon>
+        <PackageProjectUrl>https://github.com/irihitech/Semi.Avalonia</PackageProjectUrl>
         <PackageReadmeFile>README.md</PackageReadmeFile>
     </PropertyGroup>
 

src/Directory.Packages.props

@@ -1,13 +1,14 @@
 <Project>
     <PropertyGroup>
         <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
-        <AvaloniaVersion>11.3.7</AvaloniaVersion>
-        <DataGridVersion>11.3.7</DataGridVersion>
+        <AvaloniaVersion>12.0.0-rc2</AvaloniaVersion>
+        <DataGridVersion>12.0.0-rc2</DataGridVersion>
     </PropertyGroup>
     <ItemGroup>
         <PackageVersion Include="Avalonia" Version="$(AvaloniaVersion)"/>
         <PackageVersion Include="Avalonia.Controls.ColorPicker" Version="$(AvaloniaVersion)"/>
         <PackageVersion Include="Avalonia.Controls.DataGrid" Version="$(DataGridVersion)"/>
         <PackageVersion Include="Avalonia.Controls.TreeDataGrid" Version="11.1.1"/>
+        <PackageVersion Include="Irihi.Avalonia.Shared" Version="0.4.0-rc1"/>
     </ItemGroup>
 </Project>

src/Semi.Avalonia.ColorPicker/ColorPickerSemiTheme.axaml

@@ -6,6 +6,7 @@
         <ResourceDictionary>
             <ResourceDictionary.ThemeDictionaries>
                 <ResourceInclude x:Key="Default" Source="Light.axaml" />
+                <ResourceInclude x:Key="Light" Source="Light.axaml" />
                 <ResourceInclude x:Key="Dark" Source="Dark.axaml" />
             </ResourceDictionary.ThemeDictionaries>
             <ResourceDictionary.MergedDictionaries>

src/Semi.Avalonia.ColorPicker/Controls/ColorPicker.axaml

@@ -1,8 +1,8 @@
 <ResourceDictionary
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:iri="https://irihi.tech/shared"
     xmlns:converters="using:Avalonia.Controls.Converters">
-    <converters:CornerRadiusFilterConverter x:Key="LeftCornerRadiusFilterConverter" Filter="TopLeft, BottomLeft" />
     <converters:ToBrushConverter x:Key="ToBrushConverter" />
 
     <ControlTheme x:Key="{x:Type ColorPicker}" TargetType="ColorPicker">
@@ -16,11 +16,11 @@
                     <Border
                         Margin="1,1,0,1"
                         Background="{DynamicResource ColorControlCheckeredBackgroundBrush}"
-                        CornerRadius="{TemplateBinding CornerRadius, Converter={StaticResource LeftCornerRadiusFilterConverter}}" />
+                        CornerRadius="{TemplateBinding CornerRadius, Converter={iri:CornerRadiusMixerConverter Left}}" />
                     <Border
                         Margin="1,1,0,1"
                         Background="{TemplateBinding HsvColor, Converter={StaticResource ToBrushConverter}}"
-                        CornerRadius="{TemplateBinding CornerRadius, Converter={StaticResource LeftCornerRadiusFilterConverter}}" />
+                        CornerRadius="{TemplateBinding CornerRadius, Converter={iri:CornerRadiusMixerConverter Left}}" />
                 </Panel>
             </Template>
         </Setter>

src/Semi.Avalonia.ColorPicker/Controls/ColorPreviewer.axaml

@@ -1,11 +1,9 @@
 <ResourceDictionary
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:converters="using:Avalonia.Controls.Converters"
+    xmlns:iri="https://irihi.tech/shared"
     xmlns:pc="using:Avalonia.Controls.Primitives.Converters">
     <pc:AccentColorConverter x:Key="AccentColorConverter" />
-    <converters:CornerRadiusFilterConverter x:Key="LeftCornerRadiusFilterConverter" Filter="TopLeft, BottomLeft" />
-    <converters:CornerRadiusFilterConverter x:Key="RightCornerRadiusFilterConverter" Filter="TopRight, BottomRight" />
 
     <ControlTheme x:Key="{x:Type ColorPreviewer}" TargetType="ColorPreviewer">
         <Setter Property="Height" Value="{DynamicResource ColorPreviewerHeight}" />
@@ -34,7 +32,7 @@
                                 Background="{TemplateBinding HsvColor,
                                 Converter={StaticResource AccentColorConverter},
                                 ConverterParameter='-2'}"
-                                CornerRadius="{TemplateBinding CornerRadius,Converter={StaticResource LeftCornerRadiusFilterConverter}}"
+                                CornerRadius="{TemplateBinding CornerRadius,Converter={iri:CornerRadiusMixerConverter Left}}"
                                 Tag="-2" />
                             <Border
                                 Name="PART_AccentDecrement1Border"
@@ -70,7 +68,7 @@
                                 Background="{TemplateBinding HsvColor,
                                 Converter={StaticResource AccentColorConverter},
                                 ConverterParameter='2'}"
-                                CornerRadius="{TemplateBinding CornerRadius,Converter={StaticResource RightCornerRadiusFilterConverter}}"
+                                CornerRadius="{TemplateBinding CornerRadius,Converter={iri:CornerRadiusMixerConverter Right}}"
                                 Tag="2" />
                         </Grid>
                         <!--  Preview color: Must be last for drop shadow Z-index  -->

src/Semi.Avalonia.ColorPicker/Semi.Avalonia.ColorPicker.csproj

@@ -1,14 +1,15 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>netstandard2.0;net6.0;net8.0</TargetFrameworks>
-        <Version>11.3.7.2</Version>
-        <PackageReleaseNotes>Update to Semi.Avalonia.ColorPicker 11.3.7.2</PackageReleaseNotes>
+        <TargetFrameworks>net8.0;net10.0</TargetFrameworks>
+        <Version>12.0.0-rc1</Version>
+        <PackageReleaseNotes>Update to Semi.Avalonia.ColorPicker 12.0.0-rc1</PackageReleaseNotes>
         <Title>Semi.Avalonia.ColorPicker</Title>
     </PropertyGroup>
 
     <ItemGroup>
         <PackageReference Include="Avalonia.Controls.ColorPicker"/>
+        <PackageReference Include="Irihi.Avalonia.Shared"/>
         <None Include="README.md" Pack="true" PackagePath="\"/>
     </ItemGroup>
 

src/Semi.Avalonia.ColorPicker/SemiColorDarkPalette.cs

@@ -1,6 +1,7 @@
 using Avalonia.Controls;
 using Avalonia.Media;
 using Avalonia.Utilities;
+using Irihi.Avalonia.Shared.Helpers;
 
 namespace Semi.Avalonia.ColorPicker;
 
@@ -220,8 +221,8 @@ public class SemiColorDarkPalette: IColorPalette
     public Color GetColor(int colorIndex, int shadeIndex)
     {
         return Colors[
-            MathUtilities.Clamp(colorIndex, 0, ColorCount - 1),
-            MathUtilities.Clamp(shadeIndex, 0, ShadeCount - 1)
+            MathHelpers.SafeClamp(colorIndex, 0, ColorCount - 1),
+            MathHelpers.SafeClamp(shadeIndex, 0, ShadeCount - 1)
         ];
     }
 

src/Semi.Avalonia.ColorPicker/SemiColorLightPalette.cs

@@ -1,6 +1,7 @@
 using Avalonia.Controls;
 using Avalonia.Media;
 using Avalonia.Utilities;
+using Irihi.Avalonia.Shared.Helpers;
 
 namespace Semi.Avalonia.ColorPicker;
 
@@ -220,8 +221,8 @@ public class SemiColorLightPalette: IColorPalette
     public Color GetColor(int colorIndex, int shadeIndex)
     {
         return Colors[
-            MathUtilities.Clamp(colorIndex, 0, ColorCount - 1),
-            MathUtilities.Clamp(shadeIndex, 0, ShadeCount - 1)
+            MathHelpers.SafeClamp(colorIndex, 0, ColorCount - 1),
+            MathHelpers.SafeClamp(shadeIndex, 0, ShadeCount - 1)
         ];
     }
 

src/Semi.Avalonia.DataGrid/DataGridSemiTheme.axaml

@@ -6,6 +6,7 @@
         <ResourceDictionary>
             <ResourceDictionary.ThemeDictionaries>
                 <ResourceInclude x:Key="Default" Source="Light.axaml" />
+                <ResourceInclude x:Key="Light" Source="Light.axaml" />
                 <ResourceInclude x:Key="Dark" Source="Dark.axaml" />
             </ResourceDictionary.ThemeDictionaries>
             <ResourceDictionary.MergedDictionaries>

src/Semi.Avalonia.DataGrid/Semi.Avalonia.DataGrid.csproj

@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>netstandard2.0;net6.0;net8.0</TargetFrameworks>
-        <Version>11.3.7.2</Version>
-        <PackageReleaseNotes>Update to Semi.Avalonia.DataGrid 11.3.7.2</PackageReleaseNotes>
+        <TargetFrameworks>net8.0;net10.0</TargetFrameworks>
+        <Version>12.0.0-rc1</Version>
+        <PackageReleaseNotes>Update to Semi.Avalonia.DataGrid 12.0.0-rc1</PackageReleaseNotes>
         <Title>Semi.Avalonia.DataGrid</Title>
     </PropertyGroup>
 

src/Semi.Avalonia/Animations/SemiPopupAnimations.axaml

@@ -2,9 +2,9 @@
     x:Class="Semi.Avalonia.SemiPopupAnimations"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:converters="clr-namespace:Semi.Avalonia.Converters">
+    xmlns:semi="https://irihi.tech/semi">
     <Style Selector="Popup LayoutTransformControl#PART_LayoutTransform">
-        <Setter Property="RenderTransformOrigin" Value="{Binding $parent[Popup].Placement, Converter={x:Static converters:PlacementToRenderTransformOriginConverter.Instance}}" />
+        <Setter Property="RenderTransformOrigin" Value="{Binding $parent[Popup].Placement, Converter={semi:PlacementToRenderTransformOriginConverter}}" />
     </Style>
 
     <Style Selector="Popup[IsOpen=True] LayoutTransformControl#PART_LayoutTransform">

src/Semi.Avalonia/Controls/AutoCompleteBox.axaml

@@ -1,14 +1,16 @@
 <ResourceDictionary
     xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:iri="https://irihi.tech/shared">
     <Design.PreviewWith>
         <StackPanel Margin="20" Spacing="20">
             <TextBox Text="Hello" />
-            <AutoCompleteBox Width="100" />
+            <AutoCompleteBox Width="100" PlaceholderText="Hello" />
         </StackPanel>
     </Design.PreviewWith>
     <ControlTheme x:Key="{x:Type AutoCompleteBox}" TargetType="AutoCompleteBox">
         <Setter Property="VerticalAlignment" Value="Center" />
+        <Setter Property="PlaceholderForeground" Value="{DynamicResource TextBoxPlaceholderForeground}" />
         <Setter Property="MinHeight" Value="{DynamicResource AutoCompleteBoxDefaultHeight}" />
         <Setter Property="MaxDropDownHeight" Value="{DynamicResource AutoCompleteMaxDropdownHeight}" />
         <Setter Property="Template">
@@ -19,11 +21,13 @@
                             Name="PART_TextBox"
                             VerticalAlignment="Stretch"
                             MinHeight="{TemplateBinding MinHeight}"
+                            ClearSelectionOnLostFocus="{TemplateBinding ClearSelectionOnLostFocus}"
                             DataValidationErrors.Errors="{TemplateBinding (DataValidationErrors.Errors)}"
                             Theme="{DynamicResource NonErrorTextBox}"
                             InnerLeftContent="{TemplateBinding InnerLeftContent}"
                             InnerRightContent="{TemplateBinding InnerRightContent}"
-                            Watermark="{TemplateBinding Watermark}" />
+                            PlaceholderForeground="{TemplateBinding PlaceholderForeground}"
+                            PlaceholderText="{TemplateBinding PlaceholderText}" />
                         <Popup
                             Name="PART_Popup"
                             MaxHeight="{TemplateBinding MaxDropDownHeight}"
@@ -54,44 +58,13 @@
         </Setter>
 
         <Style Selector="^.Bordered">
-            <Setter Property="Template">
-                <ControlTemplate TargetType="AutoCompleteBox">
-                    <Panel>
-                        <TextBox
-                            Name="PART_TextBox"
-                            VerticalAlignment="Stretch"
-                            MinHeight="0"
-                            Classes="Bordered"
-                            DataValidationErrors.Errors="{TemplateBinding (DataValidationErrors.Errors)}"
-                            Watermark="{TemplateBinding Watermark}" />
-                        <Popup
-                            Name="PART_Popup"
-                            MaxHeight="{TemplateBinding MaxDropDownHeight}"
-                            InheritsTransform="True"
-                            IsLightDismissEnabled="True"
-                            PlacementTarget="{TemplateBinding}">
-                            <Border
-                                MinWidth="{Binding Bounds.Width, RelativeSource={RelativeSource TemplatedParent}}"
-                                Margin="{DynamicResource AutoCompleteBoxPopupMargin}"
-                                Padding="{DynamicResource AutoCompleteBoxPopupPadding}"
-                                HorizontalAlignment="Stretch"
-                                Background="{DynamicResource AutoCompleteBoxPopupBackground}"
-                                BorderBrush="{DynamicResource AutoCompleteBoxPopupBorderBrush}"
-                                BorderThickness="{DynamicResource AutoCompleteBoxPopupBorderThickness}"
-                                BoxShadow="{DynamicResource AutoCompleteBoxPopupBoxShadow}"
-                                CornerRadius="{DynamicResource AutoCompleteBoxPopupCornerRadius}">
-                                <ListBox
-                                    Name="PART_SelectingItemsControl"
-                                    Foreground="{TemplateBinding Foreground}"
-                                    ItemTemplate="{TemplateBinding ItemTemplate}"
-                                    ScrollViewer.HorizontalScrollBarVisibility="Auto"
-                                    ScrollViewer.VerticalScrollBarVisibility="Auto" 
-                                    ScrollViewer.IsScrollChainingEnabled="False" />
-                            </Border>
-                        </Popup>
-                    </Panel>
-                </ControlTemplate>
-            </Setter>
+            <Style Selector="^ /template/ TextBox#PART_TextBox">
+                <Setter Property="MinHeight" Value="0" />
+                <Setter Property="iri:ClassHelper.Classes" Value="Bordered" />
+            </Style>
+            <Style Selector="^ /template/ ListBox#PART_SelectingItemsControl">
+                <Setter Property="ScrollViewer.IsScrollChainingEnabled" Value="False" />
+            </Style>
         </Style>
         <Style Selector="^.Large">
             <Setter Property="MinHeight" Value="{DynamicResource AutoCompleteBoxLargeHeight}" />

src/Semi.Avalonia/Controls/ButtonSpinner.axaml

@@ -20,6 +20,7 @@
                     BorderBrush="{TemplateBinding BorderBrush}"
                     BorderThickness="{TemplateBinding BorderThickness}"
                     Content="{TemplateBinding Content}"
+                    CornerRadius="{TemplateBinding CornerRadius}"
                     ContentTemplate="{TemplateBinding ContentTemplate}" />
             </ControlTemplate>
         </Setter>
@@ -92,7 +93,7 @@
                 </Grid>
             </ControlTemplate>
         </Setter>
-        <Style Selector="^[ButtonSpinnerLocation=Left] /template/ Border#ButtonGroup">
+        <Style Selector="^:left /template/ Border#ButtonGroup">
             <Setter Property="Grid.Column" Value="0" />
             <Setter Property="Margin" Value="0 0 4 0" />
         </Style>
@@ -100,4 +101,70 @@
             <Setter Property="BorderBrush" Value="{DynamicResource ButtonSpinnerRepeatButtonPointeroverBorderBrush}" />
         </Style>
     </ControlTheme>
+
+    <ControlTheme x:Key="SplitButtonSpinner" TargetType="ButtonSpinner">
+        <Setter Property="BorderBrush" Value="{DynamicResource ButtonSpinnerRepeatButtonBorderBrush}" />
+        <Setter Property="BorderThickness" Value="0" />
+        <Setter Property="MinWidth" Value="200" />
+        <Setter Property="Template">
+            <ControlTemplate TargetType="ButtonSpinner">
+                <Grid ColumnDefinitions="Auto, *, Auto">
+                    <RepeatButton
+                        Name="PART_DecreaseButton"
+                        Grid.Column="0"
+                        VerticalAlignment="Stretch"
+                        Padding="{DynamicResource SplitButtonSpinnerButtonPadding}"
+                        BorderBrush="{DynamicResource ButtonSpinnerRepeatButtonBorderBrush}"
+                        BorderThickness="{DynamicResource ButtonSpinnerButtonGroupBorderThickness}"
+                        CornerRadius="{DynamicResource SplitButtonSpinnerLeftButtonCornerRadius}"
+                        IsVisible="{TemplateBinding ShowButtonSpinner}"
+                        Theme="{StaticResource ButtonSpinnerRepeatButton}">
+                        <PathIcon
+                            Theme="{DynamicResource InnerPathIcon}"
+                            Classes="Small"
+                            Data="{DynamicResource SplitButtonSpinnerDecreaseButtonGlyph}"
+                            Foreground="{DynamicResource ButtonSpinnerRepeatButtonForeground}" />
+                    </RepeatButton>
+                    <Border
+                        Grid.Column="1"
+                        Margin="2 0"
+                        BorderBrush="{TemplateBinding BorderBrush}"
+                        BorderThickness="{TemplateBinding BorderThickness}"
+                        CornerRadius="{TemplateBinding CornerRadius}">
+                        <ContentPresenter
+                            Name="PART_ContentPresenter"
+                            Padding="{TemplateBinding Padding}"
+                            HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                            VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
+                            Content="{TemplateBinding Content}"
+                            ContentTemplate="{TemplateBinding ContentTemplate}" />
+                    </Border>
+                    <RepeatButton
+                        Name="PART_IncreaseButton"
+                        Grid.Column="2"
+                        VerticalAlignment="Stretch"
+                        Padding="{DynamicResource SplitButtonSpinnerButtonPadding}"
+                        BorderBrush="{DynamicResource ButtonSpinnerRepeatButtonBorderBrush}"
+                        BorderThickness="{DynamicResource ButtonSpinnerButtonGroupBorderThickness}"
+                        CornerRadius="{DynamicResource SplitButtonSpinnerRightButtonCornerRadius}"
+                        IsVisible="{TemplateBinding ShowButtonSpinner}"
+                        Theme="{StaticResource ButtonSpinnerRepeatButton}">
+                        <PathIcon
+                            Theme="{DynamicResource InnerPathIcon}"
+                            Classes="Small"
+                            Data="{DynamicResource SplitButtonSpinnerIncreaseButtonGlyph}"
+                            Foreground="{DynamicResource ButtonSpinnerRepeatButtonForeground}" />
+                    </RepeatButton>
+                </Grid>
+            </ControlTemplate>
+        </Setter>
+        <Style Selector="^:left /template/ RepeatButton#PART_DecreaseButton">
+            <Setter Property="Grid.Column" Value="2" />
+            <Setter Property="CornerRadius" Value="{DynamicResource SplitButtonSpinnerRightButtonCornerRadius}" />
+        </Style>
+        <Style Selector="^:left /template/ RepeatButton#PART_IncreaseButton">
+            <Setter Property="Grid.Column" Value="0" />
+            <Setter Property="CornerRadius" Value="{DynamicResource SplitButtonSpinnerLeftButtonCornerRadius}" />
+        </Style>
+    </ControlTheme>
 </ResourceDictionary>

src/Semi.Avalonia/Controls/CalendarDatePicker.axaml

@@ -9,6 +9,7 @@
     <ControlTheme x:Key="{x:Type CalendarDatePicker}" TargetType="CalendarDatePicker">
         <Setter Property="Background" Value="{DynamicResource CalendarDatePickerBackground}" />
         <Setter Property="Foreground" Value="{DynamicResource CalendarDatePickerForeground}" />
+        <Setter Property="PlaceholderForeground" Value="{DynamicResource TextBoxPlaceholderForeground}" />
         <Setter Property="BorderBrush" Value="{DynamicResource CalendarDatePickerBorderBrush}" />
         <Setter Property="BorderThickness" Value="{DynamicResource CalendarDatePickerBorderThickness}" />
         <Setter Property="CornerRadius" Value="{DynamicResource CalendarDatePickerCornerRadius}" />
@@ -52,8 +53,9 @@
                                 CornerRadius="{TemplateBinding CornerRadius}"
                                 Foreground="{TemplateBinding Foreground}"
                                 Theme="{DynamicResource NonErrorTextBox}"
-                                UseFloatingWatermark="{TemplateBinding UseFloatingWatermark}"
-                                Watermark="{TemplateBinding Watermark}">
+                                UseFloatingPlaceholder="{TemplateBinding UseFloatingPlaceholder}"
+                                PlaceholderForeground="{TemplateBinding PlaceholderForeground}"
+                                PlaceholderText="{TemplateBinding PlaceholderText}">
                                 <TextBox.Styles>
                                     <Style Selector="TextBox#PART_TextBox:pointerover /template/ Border#PART_ContentPresenterBorder">
                                         <!--  By default the TextBox has its own focused state, override this to disable it here  -->

src/Semi.Avalonia/Controls/CaptionButtons.axaml

@@ -1,100 +0,0 @@
-<ResourceDictionary
-    xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-    <Design.PreviewWith>
-        <CaptionButtons />
-    </Design.PreviewWith>
-
-    <ControlTheme x:Key="CaptionButton" TargetType="Button">
-        <Setter Property="Foreground" Value="{DynamicResource CaptionButtonForeground}" />
-        <Setter Property="Background" Value="Transparent" />
-        <Setter Property="CornerRadius" Value="{StaticResource CaptionButtonCornerRadius}" />
-        <Setter Property="Padding" Value="{StaticResource CaptionButtonPadding}" />
-        <Setter Property="Width" Value="{StaticResource CaptionButtonWidth}" />
-        <Setter Property="Height" Value="{StaticResource CaptionButtonHeight}" />
-        <Setter Property="Cursor" Value="Hand" />
-        <Setter Property="VerticalAlignment" Value="Stretch" />
-        <Setter Property="Template">
-            <ControlTemplate TargetType="Button">
-                <ContentPresenter
-                    Name="PART_ContentPresenter"
-                    Padding="{TemplateBinding Padding}"
-                    Foreground="{TemplateBinding Foreground}"
-                    Background="{TemplateBinding Background}"
-                    BorderBrush="{TemplateBinding BorderBrush}"
-                    BorderThickness="{TemplateBinding BorderThickness}"
-                    Content="{TemplateBinding Content}"
-                    ContentTemplate="{TemplateBinding ContentTemplate}"
-                    CornerRadius="{TemplateBinding CornerRadius}" />
-            </ControlTemplate>
-        </Setter>
-
-        <Style Selector="^:pointerover">
-            <Setter Property="Background" Value="{DynamicResource CaptionButtonPointeroverBackground}" />
-        </Style>
-
-        <Style Selector="^:pressed">
-            <Setter Property="Background" Value="{DynamicResource CaptionButtonPressedBackground}" />
-        </Style>
-    </ControlTheme>
-
-    <ControlTheme x:Key="{x:Type CaptionButtons}" TargetType="CaptionButtons">
-        <Setter Property="Foreground" Value="{DynamicResource CaptionButtonForeground}" />
-        <Setter Property="Template">
-            <ControlTemplate TargetType="CaptionButtons">
-                <StackPanel Orientation="Horizontal">
-                    <Button Name="PART_FullScreenButton" Theme="{StaticResource CaptionButton}">
-                        <PathIcon
-                            Name="PART_FullScreenButtonIcon"
-                            Theme="{StaticResource InnerPathIcon}"
-                            Data="{StaticResource WindowExpandGlyph}"
-                            Foreground="{Binding $parent[Button].Foreground}" />
-                    </Button>
-                    <Button Name="PART_MinimizeButton" Theme="{StaticResource CaptionButton}">
-                        <PathIcon
-                            Name="PART_MinimizeButtonIcon"
-                            Theme="{StaticResource InnerPathIcon}"
-                            Data="{StaticResource WindowMinimizeGlyph}"
-                            Foreground="{Binding $parent[Button].Foreground}" />
-                    </Button>
-                    <Button Name="PART_RestoreButton" Theme="{StaticResource CaptionButton}">
-                        <PathIcon
-                            Name="PART_RestoreButtonIcon"
-                            Theme="{StaticResource InnerPathIcon}"
-                            Data="{StaticResource WindowMaximizeGlyph}"
-                            Foreground="{Binding $parent[Button].Foreground}" />
-                    </Button>
-                    <Button Name="PART_CloseButton" Theme="{StaticResource CaptionButton}">
-                        <PathIcon
-                            Name="PART_CloseButtonIcon"
-                            Theme="{StaticResource InnerPathIcon}"
-                            Data="{StaticResource WindowCloseIconGlyph}"
-                            Foreground="{Binding $parent[Button].Foreground}" />
-                    </Button>
-                </StackPanel>
-            </ControlTemplate>
-        </Setter>
-
-        <Style Selector="^ /template/ Button#PART_CloseButton:pointerover">
-            <Setter Property="Foreground" Value="{DynamicResource CaptionButtonCloseForeground}" />
-            <Setter Property="Background" Value="{DynamicResource CaptionButtonClosePointeroverBackground}" />
-        </Style>
-        <Style Selector="^ /template/ Button#PART_CloseButton:pressed">
-            <Setter Property="Foreground" Value="{DynamicResource CaptionButtonCloseForeground}" />
-            <Setter Property="Background" Value="{DynamicResource CaptionButtonClosePressedBackground}" />
-        </Style>
-
-        <Style Selector="^:maximized /template/ PathIcon#PART_RestoreButtonIcon">
-            <Setter Property="Data" Value="{StaticResource WindowRestoreGlyph}" />
-        </Style>
-        <Style Selector="^:fullscreen /template/ PathIcon#PART_FullScreenButtonIcon">
-            <Setter Property="Data" Value="{StaticResource WindowCollapseGlyph}" />
-        </Style>
-        <Style Selector="^:fullscreen /template/ Button#PART_RestoreButton">
-            <Setter Property="IsVisible" Value="False" />
-        </Style>
-        <Style Selector="^:fullscreen /template/ Button#PART_MinimizeButton">
-            <Setter Property="IsVisible" Value="False" />
-        </Style>
-    </ControlTheme>
-</ResourceDictionary>

src/Semi.Avalonia/Controls/Carousel.axaml

@@ -1,7 +1,7 @@
 <ResourceDictionary
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:converter="clr-namespace:Semi.Avalonia.Converters">
+    xmlns:semi="https://irihi.tech/semi">
     <Design.PreviewWith>
         <StackPanel Spacing="20" Width="800" Height="800">
             <StackPanel.Styles>
@@ -156,7 +156,7 @@
                     Theme="{DynamicResource InnerPathIcon}"
                     Width="{TemplateBinding Width}"
                     Height="{TemplateBinding Height}"
-                    Data="{DynamicResource CarouselButtonGlyph}"
+                    Data="{TemplateBinding Content}"
                     Foreground="{TemplateBinding Foreground}" />
             </ControlTemplate>
         </Setter>
@@ -197,8 +197,8 @@
                         HorizontalAlignment="Center"
                         VerticalAlignment="Center"
                         ItemContainerTheme="{DynamicResource CarouselIndicatorDotListBoxItem}"
-                        ItemsSource="{TemplateBinding ItemCount, Converter={x:Static converter:ItemConverter.ItemToObjectConverter}}"
-                        IsVisible="{TemplateBinding ItemCount, Converter={x:Static converter:ItemConverter.ItemVisibleConverter}}"
+                        ItemsSource="{TemplateBinding ItemCount, Converter={x:Static semi:ItemConverter.ItemToObjectConverter}}"
+                        IsVisible="{TemplateBinding ItemCount, Converter={x:Static semi:ItemConverter.ItemVisibleConverter}}"
                         SelectedIndex="{TemplateBinding SelectedIndex, Mode=TwoWay}">
                         <ListBox.ItemsPanel>
                             <ItemsPanelTemplate>
@@ -213,7 +213,8 @@
                         Theme="{DynamicResource CarouselButton}"
                         Margin="{DynamicResource CarouselButtonMargin}"
                         Foreground="{DynamicResource CarouselButtonForeground}"
-                        IsVisible="{TemplateBinding ItemCount, Converter={x:Static converter:ItemConverter.ItemVisibleConverter}}"
+                        Content="{StaticResource SemiIconChevronLeft}"
+                        IsVisible="{TemplateBinding ItemCount, Converter={x:Static semi:ItemConverter.ItemVisibleConverter}}"
                         Command="{Binding $parent[Carousel].Previous}" />
                     <Button
                         Grid.Row="0"
@@ -222,9 +223,9 @@
                         Theme="{DynamicResource CarouselButton}"
                         Margin="{DynamicResource CarouselButtonMargin}"
                         Foreground="{DynamicResource CarouselButtonForeground}"
-                        IsVisible="{TemplateBinding ItemCount, Converter={x:Static converter:ItemConverter.ItemVisibleConverter}}"
-                        Command="{Binding $parent[Carousel].Next}"
-                        RenderTransform="rotate(180deg)" />
+                        Content="{StaticResource SemiIconChevronRight}"
+                        IsVisible="{TemplateBinding ItemCount, Converter={x:Static semi:ItemConverter.ItemVisibleConverter}}"
+                        Command="{Binding $parent[Carousel].Next}" />
                 </Grid>
             </ControlTemplate>
         </Setter>

src/Semi.Avalonia/Controls/CarouselPage.axaml

@@ -0,0 +1,19 @@
+<ResourceDictionary
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <ControlTheme x:Key="{x:Type CarouselPage}" TargetType="CarouselPage">
+        <Setter Property="Background" Value="Transparent" />
+        <Setter Property="Template">
+            <ControlTemplate>
+                <Carousel
+                    Name="PART_Carousel"
+                    Background="{TemplateBinding Background}"
+                    ItemTemplate="{TemplateBinding PageTemplate}"
+                    PageTransition="{TemplateBinding PageTransition}"
+                    ItemsPanel="{TemplateBinding ItemsPanel}"
+                    HorizontalAlignment="Stretch"
+                    VerticalAlignment="Stretch" />
+            </ControlTemplate>
+        </Setter>
+    </ControlTheme>
+</ResourceDictionary>

src/Semi.Avalonia/Controls/ComboBox.axaml

@@ -92,7 +92,7 @@
                             VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
                             Foreground="{TemplateBinding Foreground}"
                             Text="{TemplateBinding Text, Mode=TwoWay}"
-                            Watermark="{TemplateBinding PlaceholderText}"
+                            PlaceholderText="{TemplateBinding PlaceholderText}"
                             IsVisible="{TemplateBinding IsEditable}" />
 
                         <Button

src/Semi.Avalonia/Controls/CommandBar.axaml

@@ -0,0 +1,371 @@
+<ResourceDictionary
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:collections="clr-namespace:Avalonia.Collections;assembly=Avalonia.Base">
+
+    <Design.PreviewWith>
+        <GroupBox Height="500">
+            <GroupBox.Header>
+                <StackPanel>
+                    <ComboBox
+                        Name="lc"
+                        ItemsSource="{DynamicResource LabelPositionList}"
+                        SelectedValue="{x:Static CommandBarDefaultLabelPosition.Bottom}">
+                        <ComboBox.Resources>
+                            <collections:AvaloniaList x:TypeArguments="CommandBarDefaultLabelPosition" x:Key="LabelPositionList">
+                                <CommandBarDefaultLabelPosition>Bottom</CommandBarDefaultLabelPosition>
+                                <CommandBarDefaultLabelPosition>Collapsed</CommandBarDefaultLabelPosition>
+                                <CommandBarDefaultLabelPosition>Right</CommandBarDefaultLabelPosition>
+                            </collections:AvaloniaList>
+                        </ComboBox.Resources>
+                    </ComboBox>
+                    <ToggleSwitch Name="idfe" IsChecked="True" />
+                    <Slider Name="ws" Width="500" Minimum="0" Maximum="500" Value="200" />
+                </StackPanel>
+            </GroupBox.Header>
+            <StackPanel Orientation="Horizontal" VerticalAlignment="Top">
+                <CommandBar
+                    DefaultLabelPosition="{Binding #lc.SelectedValue}"
+                    IsDynamicOverflowEnabled="{Binding #idfe.IsChecked}"
+                    Width="{Binding #ws.Value}">
+                    <CommandBarButton Label="New" Icon="{DynamicResource SemiIconPlus}" />
+                    <CommandBarButton Label="Save" Icon="{DynamicResource SemiIconSave}" />
+                    <CommandBarSeparator />
+                    <CommandBarToggleButton Label="Bold" Icon="{DynamicResource SemiIconBold}" />
+                    <CommandBarToggleButton Label="Italic" Icon="{DynamicResource SemiIconItalic}" />
+                    <CommandBarToggleButton IsEnabled="False" IsChecked="True" Label="Underline" Icon="{DynamicResource SemiIconUnderline}" />
+                    <CommandBarSeparator />
+                    <CommandBarButton Label="Share" Icon="{DynamicResource SemiIconShare}" />
+                    <CommandBarButton Label="Export" Icon="{DynamicResource SemiIconExport}" />
+                    <CommandBarButton Label="Print" Icon="{DynamicResource SemiIconPrint}" />
+                    <CommandBarSeparator />
+                    <CommandBarButton Label="Delete" Icon="{DynamicResource SemiIconDelete}" />
+                </CommandBar>
+            </StackPanel>
+        </GroupBox>
+    </Design.PreviewWith>
+
+    <ControlTheme x:Key="CommandBarButtonBaseTheme" TargetType="Button">
+        <Setter Property="Template">
+            <ControlTemplate TargetType="Button">
+                <Border
+                    Name="PART_Border"
+                    Background="{TemplateBinding Background}"
+                    BorderBrush="{TemplateBinding BorderBrush}"
+                    BorderThickness="{TemplateBinding BorderThickness}"
+                    CornerRadius="{TemplateBinding CornerRadius}"
+                    Padding="{TemplateBinding Padding}">
+                    <StackPanel
+                        Name="PART_LayoutRoot"
+                        Spacing="{DynamicResource CommandBarButtonPanelSpacing}"
+                        HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
+                        VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
+                        <ContentPresenter
+                            Name="PART_IconPresenter"
+                            Foreground="{TemplateBinding Foreground}">
+                            <ContentPresenter.DataTemplates>
+                                <DataTemplate DataType="Geometry">
+                                    <PathIcon
+                                        Theme="{DynamicResource InnerPathIcon}"
+                                        Data="{Binding}" />
+                                </DataTemplate>
+                            </ContentPresenter.DataTemplates>
+                        </ContentPresenter>
+                        <TextBlock
+                            Name="PART_Label"
+                            MaxLines="1"
+                            Foreground="{TemplateBinding Foreground}"
+                            FontSize="{DynamicResource CommandBarButtonLabelFontSize}"
+                            TextTrimming="CharacterEllipsis" />
+                    </StackPanel>
+                </Border>
+            </ControlTemplate>
+        </Setter>
+
+        <Setter Property="Background" Value="{DynamicResource CommandBarButtonBackground}" />
+        <Setter Property="Foreground" Value="{DynamicResource CommandBarButtonForeground}" />
+        <Setter Property="BorderBrush" Value="Transparent" />
+        <Setter Property="BorderThickness" Value="0" />
+        <Setter Property="Padding" Value="{DynamicResource CommandBarButtonPadding}" />
+        <Setter Property="Width" Value="{DynamicResource CommandBarButtonWidth}" />
+        <Setter Property="MinHeight" Value="{DynamicResource CommandBarButtonMinHeight}" />
+
+        <Setter Property="CornerRadius" Value="{DynamicResource CommandBarButtonCornerRadius}" />
+        <Setter Property="HorizontalContentAlignment" Value="Center" />
+        <Setter Property="VerticalContentAlignment" Value="Center" />
+        <Setter Property="Cursor" Value="Hand" />
+
+        <Style Selector="^:pointerover /template/ Border#PART_Border">
+            <Setter Property="Background" Value="{DynamicResource CommandBarButtonPointeroverBackground}" />
+        </Style>
+
+        <Style Selector="^:pressed /template/ Border#PART_Border">
+            <Setter Property="Background" Value="{DynamicResource CommandBarButtonPressedBackground}" />
+        </Style>
+
+        <Style Selector="^:disabled">
+            <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="Foreground" Value="{DynamicResource CommandBarButtonDisabledForeground}" />
+            </Style>
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="Foreground" Value="{DynamicResource CommandBarButtonDisabledForeground}" />
+            </Style>
+        </Style>
+    </ControlTheme>
+
+    <!--  CommandBarButton  -->
+    <ControlTheme
+        x:Key="{x:Type CommandBarButton}"
+        BasedOn="{StaticResource CommandBarButtonBaseTheme}"
+        TargetType="CommandBarButton">
+
+        <Style Selector="^ /template/ TextBlock#PART_Label">
+            <Setter Property="Text" Value="{TemplateBinding Label}" />
+        </Style>
+        <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+            <Setter Property="Content" Value="{TemplateBinding Icon}" />
+        </Style>
+
+        <!--  IsCompact: hide label, use compact width  -->
+        <Style Selector="^[IsCompact=True]">
+            <Setter Property="Width" Value="{DynamicResource CommandBarButtonCompactWidth}" />
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="IsVisible" Value="False" />
+            </Style>
+        </Style>
+
+        <!--  LabelPosition=Collapsed: hide label, use compact width  -->
+        <Style Selector="^[LabelPosition=Collapsed]">
+            <Setter Property="Width" Value="{DynamicResource CommandBarButtonCompactWidth}" />
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="IsVisible" Value="False" />
+            </Style>
+        </Style>
+
+        <!--  LabelPosition=Right: horizontal layout, auto-width  -->
+        <Style Selector="^[LabelPosition=Right]">
+            <Setter Property="Width" Value="{x:Static x:Double.NaN}" />
+            <Setter Property="MinWidth" Value="{DynamicResource CommandBarButtonCompactWidth}" />
+            <Style Selector="^ /template/ StackPanel#PART_LayoutRoot">
+                <Setter Property="Orientation" Value="Horizontal" />
+            </Style>
+            <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
+        </Style>
+
+        <!--  IsInOverflow: full-width horizontal layout for use inside overflow popup  -->
+        <Style Selector="^[IsInOverflow=True]">
+            <Setter Property="HorizontalContentAlignment" Value="Left" />
+            <Setter Property="Width" Value="{x:Static x:Double.NaN}" />
+            <Setter Property="MinHeight" Value="{DynamicResource CommandBarButtonOverflowMinHeight}" />
+            <Setter Property="Padding" Value="{DynamicResource CommandBarButtonOverflowPadding}" />
+            <Style Selector="^ /template/ StackPanel#PART_LayoutRoot">
+                <Setter Property="Orientation" Value="Horizontal" />
+            </Style>
+            <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
+        </Style>
+    </ControlTheme>
+
+    <!--  CommandBarToggleButton  -->
+    <ControlTheme
+        x:Key="{x:Type CommandBarToggleButton}"
+        BasedOn="{StaticResource CommandBarButtonBaseTheme}"
+        TargetType="CommandBarToggleButton">
+
+        <Style Selector="^ /template/ TextBlock#PART_Label">
+            <Setter Property="Text" Value="{TemplateBinding Label}" />
+        </Style>
+        <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+            <Setter Property="Content" Value="{TemplateBinding Icon}" />
+        </Style>
+
+        <Style Selector="^:checked">
+            <Style Selector="^ /template/ Border#PART_Border">
+                <Setter Property="Background" Value="{DynamicResource CommandBarToggleButtonCheckedBackground}" />
+            </Style>
+            <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="Foreground" Value="{DynamicResource CommandBarToggleButtonCheckedForeground}" />
+            </Style>
+            <Style Selector="^:pointerover /template/ Border#PART_Border">
+                <Setter Property="Background" Value="{DynamicResource CommandBarToggleButtonCheckedPointeroverBackground}" />
+            </Style>
+            <Style Selector="^:pressed /template/ Border#PART_Border">
+                <Setter Property="Background" Value="{DynamicResource CommandBarToggleButtonCheckedPressedBackground}" />
+            </Style>
+            <Style Selector="^:disabled /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="Foreground" Value="{DynamicResource CommandBarToggleButtonCheckedDisabledForeground}" />
+            </Style>
+        </Style>
+
+        <!--  IsCompact: hide label, use compact width  -->
+        <Style Selector="^[IsCompact=True]">
+            <Setter Property="Width" Value="{DynamicResource CommandBarButtonCompactWidth}" />
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="IsVisible" Value="False" />
+            </Style>
+        </Style>
+
+        <!--  LabelPosition=Collapsed: hide label, use compact width  -->
+        <Style Selector="^[LabelPosition=Collapsed]">
+            <Setter Property="Width" Value="{DynamicResource CommandBarButtonCompactWidth}" />
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="IsVisible" Value="False" />
+            </Style>
+        </Style>
+
+        <!--  LabelPosition=Right: horizontal layout, auto-width  -->
+        <Style Selector="^[LabelPosition=Right]">
+            <Setter Property="Width" Value="{x:Static x:Double.NaN}" />
+            <Setter Property="MinWidth" Value="{DynamicResource CommandBarButtonCompactWidth}" />
+            <Style Selector="^ /template/ StackPanel#PART_LayoutRoot">
+                <Setter Property="Orientation" Value="Horizontal" />
+            </Style>
+            <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
+        </Style>
+
+        <!--  IsInOverflow: full-width horizontal layout for use inside overflow popup  -->
+        <Style Selector="^[IsInOverflow=True]">
+            <Setter Property="HorizontalContentAlignment" Value="Left" />
+            <Setter Property="Width" Value="{x:Static x:Double.NaN}" />
+            <Setter Property="MinHeight" Value="{DynamicResource CommandBarButtonOverflowMinHeight}" />
+            <Setter Property="Padding" Value="{DynamicResource CommandBarButtonOverflowPadding}" />
+            <Style Selector="^ /template/ StackPanel#PART_LayoutRoot">
+                <Setter Property="Orientation" Value="Horizontal" />
+            </Style>
+            <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
+        </Style>
+    </ControlTheme>
+
+    <!--  CommandBarSeparator  -->
+    <ControlTheme x:Key="{x:Type CommandBarSeparator}" TargetType="CommandBarSeparator">
+        <Setter Property="Background" Value="{DynamicResource CommandBarSeparatorBackground}" />
+        <Setter Property="Width" Value="{DynamicResource CommandBarSeparatorWidth}" />
+        <Setter Property="MinHeight" Value="{DynamicResource CommandBarSeparatorMinHeight}" />
+        <Setter Property="Margin" Value="{DynamicResource CommandBarSeparatorMargin}" />
+        <Setter Property="Template">
+            <ControlTemplate TargetType="CommandBarSeparator">
+                <Border
+                    Background="{TemplateBinding Background}"
+                    Width="{TemplateBinding Width}"
+                    MinHeight="{TemplateBinding MinHeight}" />
+            </ControlTemplate>
+        </Setter>
+
+        <!--  IsInOverflow: horizontal line separator  -->
+        <Style Selector="^[IsInOverflow=True]">
+            <Setter Property="HorizontalAlignment" Value="Stretch" />
+            <Setter Property="Width" Value="{x:Static x:Double.NaN}" />
+            <Setter Property="Height" Value="{DynamicResource CommandBarSeparatorOverflowHeight}" />
+            <Setter Property="MinHeight" Value="0" />
+            <Setter Property="Margin" Value="{DynamicResource CommandBarSeparatorOverflowMargin}" />
+        </Style>
+    </ControlTheme>
+
+    <!--  CommandBar  -->
+    <ControlTheme x:Key="{x:Type CommandBar}" TargetType="CommandBar">
+        <Setter Property="Background" Value="{DynamicResource CommandBarBackground}" />
+        <Setter Property="Foreground" Value="{DynamicResource CommandBarForeground}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource CommandBarBorderBrush}" />
+        <Setter Property="BorderThickness" Value="{DynamicResource CommandBarBorderThickness}" />
+        <Setter Property="CornerRadius" Value="{DynamicResource CommandBarCornerRadius}" />
+        <Setter Property="MinHeight" Value="{DynamicResource CommandBarMinHeight}" />
+        <Setter Property="Padding" Value="{DynamicResource CommandBarPadding}" />
+        <Setter Property="HorizontalAlignment" Value="Stretch" />
+        <Setter Property="Template">
+            <ControlTemplate TargetType="CommandBar">
+                <Border
+                    Background="{TemplateBinding Background}"
+                    BorderBrush="{TemplateBinding BorderBrush}"
+                    BorderThickness="{TemplateBinding BorderThickness}"
+                    CornerRadius="{TemplateBinding CornerRadius}"
+                    MinHeight="{TemplateBinding MinHeight}"
+                    Padding="{TemplateBinding Padding}">
+                    <Panel>
+                        <DockPanel KeyboardNavigation.TabNavigation="Cycle">
+                            <!--  Overflow button (docked right)  -->
+                            <CommandBarButton
+                                Name="PART_OverflowButton"
+                                DockPanel.Dock="Right"
+                                Icon="{DynamicResource CommandBarOverflowButtonGlyph}"
+                                IsCompact="True"
+                                IsVisible="{TemplateBinding IsOverflowButtonVisible}" />
+
+                            <!--  Custom content (docked left)  -->
+                            <ContentPresenter
+                                Name="PART_ContentPresenter"
+                                DockPanel.Dock="Left"
+                                Content="{TemplateBinding Content}"
+                                VerticalAlignment="Center" />
+
+                            <!--  Primary commands (fills remaining space, right-aligned)  -->
+                            <ItemsControl
+                                Name="PART_PrimaryCommands"
+                                ItemsSource="{Binding VisiblePrimaryCommands, RelativeSource={RelativeSource TemplatedParent}}"
+                                HorizontalAlignment="Right"
+                                VerticalAlignment="Stretch"
+                                ClipToBounds="True">
+                                <ItemsControl.ItemsPanel>
+                                    <ItemsPanelTemplate>
+                                        <StackPanel Orientation="Horizontal" Spacing="2" />
+                                    </ItemsPanelTemplate>
+                                </ItemsControl.ItemsPanel>
+                            </ItemsControl>
+                        </DockPanel>
+
+                        <!--  Overflow popup  -->
+                        <Popup
+                            Name="PART_OverflowPopup"
+                            IsOpen="{TemplateBinding IsOpen, Mode=TwoWay}"
+                            PlacementTarget="{Binding #PART_OverflowButton}"
+                            Placement="Bottom"
+                            IsLightDismissEnabled="True"
+                            WindowManagerAddShadowHint="False">
+                            <Border
+                                MinHeight="{DynamicResource CommandBarOverflowMinHeight}"
+                                MaxWidth="{DynamicResource CommandBarOverflowMaxWidth}"
+                                MaxHeight="{DynamicResource CommandBarOverflowMaxHeight}"
+                                Margin="{DynamicResource CommandBarOverflowMargin}"
+                                Padding="{DynamicResource CommandBarOverflowPadding}"
+                                Background="{DynamicResource CommandBarOverflowBackground}"
+                                BorderBrush="{DynamicResource CommandBarOverflowBorderBrush}"
+                                BorderThickness="{DynamicResource CommandBarBorderThickness}"
+                                BoxShadow="{DynamicResource CommandBarOverflowBoxShadow}"
+                                CornerRadius="{DynamicResource CommandBarOverflowCornerRadius}">
+
+                                <ItemsControl
+                                    Name="PART_OverflowPresenter"
+                                    ItemsSource="{Binding OverflowItems, RelativeSource={RelativeSource TemplatedParent}}">
+                                    <ItemsControl.ItemsPanel>
+                                        <ItemsPanelTemplate>
+                                            <StackPanel />
+                                        </ItemsPanelTemplate>
+                                    </ItemsControl.ItemsPanel>
+                                </ItemsControl>
+                            </Border>
+                        </Popup>
+                    </Panel>
+                </Border>
+            </ControlTemplate>
+        </Setter>
+    </ControlTheme>
+
+</ResourceDictionary>

src/Semi.Avalonia/Controls/ContentPage.axaml

@@ -0,0 +1,43 @@
+<ResourceDictionary
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <Design.PreviewWith>
+        <ContentPage
+            Width="400"
+            Height="300"
+            Background="White">
+            <TextBlock
+                HorizontalAlignment="Center"
+                VerticalAlignment="Center"
+                Text="ContentPage" />
+        </ContentPage>
+    </Design.PreviewWith>
+
+    <ControlTheme x:Key="{x:Type ContentPage}" TargetType="ContentPage">
+        <Setter Property="Background" Value="{DynamicResource ContentPageBackground}" />
+        <Setter Property="Foreground" Value="{DynamicResource ContentPageForeground}" />
+        <Setter Property="HorizontalContentAlignment" Value="Stretch" />
+        <Setter Property="VerticalContentAlignment" Value="Stretch" />
+        <Setter Property="Template">
+            <ControlTemplate TargetType="ContentPage">
+                <Grid RowDefinitions="Auto,*,Auto" Background="{TemplateBinding Background}">
+                    <ContentPresenter
+                        Name="PART_TopCommandBar"
+                        Grid.Row="0"
+                        Content="{TemplateBinding TopCommandBar}" />
+                    <ContentPresenter
+                        Name="PART_ContentPresenter"
+                        Grid.Row="1"
+                        Content="{TemplateBinding Content}"
+                        ContentTemplate="{TemplateBinding ContentTemplate}"
+                        HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                        VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" />
+                    <ContentPresenter
+                        Name="PART_BottomCommandBar"
+                        Grid.Row="2"
+                        Content="{TemplateBinding BottomCommandBar}" />
+                </Grid>
+            </ControlTemplate>
+        </Setter>
+    </ControlTheme>
+</ResourceDictionary>

src/Semi.Avalonia/Controls/DatePicker.axaml

@@ -261,7 +261,7 @@
             <Setter Property="Foreground" Value="{DynamicResource DateTimePickerButtonDisabledIconForeground}" />
         </Style>
 
-        <!--  Changes foreground for watermark text when SelectedDate is null  -->
+        <!--  Changes foreground for placeholder text when SelectedDate is null  -->
         <Style Selector="^:hasnodate /template/ Button#PART_FlyoutButton TextBlock">
             <Setter Property="Foreground" Value="{DynamicResource DateTimePickerEmptyForeground}" />
         </Style>

src/Semi.Avalonia/Controls/DrawerPage.axaml

@@ -0,0 +1,149 @@
+<ResourceDictionary
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <Design.PreviewWith>
+        <DrawerPage Width="400" Height="300" />
+    </Design.PreviewWith>
+
+    <ControlTheme x:Key="{x:Type DrawerPage}" TargetType="DrawerPage">
+        <Setter Property="Background" Value="{DynamicResource DrawerPageBackground}" />
+        <Setter Property="Foreground" Value="{DynamicResource DrawerPageForeground}" />
+        <Setter Property="DrawerBackground" Value="{DynamicResource DrawerPageDrawerBackground}" />
+        <Setter Property="DrawerLength" Value="{DynamicResource DrawerPageDrawerLength}" />
+        <Setter Property="CompactDrawerLength" Value="{DynamicResource DrawerPageCompactDrawerLength}" />
+        <Setter Property="HorizontalContentAlignment" Value="Stretch" />
+        <Setter Property="VerticalContentAlignment" Value="Stretch" />
+        <Setter Property="Template">
+            <ControlTemplate TargetType="DrawerPage">
+                <Grid RowDefinitions="Auto,*" Background="{TemplateBinding Background}">
+
+                    <!--  Top bar with pane toggle button  -->
+                    <Border
+                        Name="PART_TopBar"
+                        Grid.Row="0"
+                        MinHeight="{DynamicResource DrawerPageTopBarMinHeight}"
+                        Padding="{DynamicResource DrawerPageTopBarPadding}"
+                        Background="{DynamicResource DrawerPageTopBarBackground}"
+                        BorderBrush="{DynamicResource DrawerPageTopBarBorderBrush}"
+                        BorderThickness="{DynamicResource DrawerPageTopBarBorderThickness}">
+                        <Grid ColumnDefinitions="Auto,Auto,*">
+                            <!--  Pane toggle button (hamburger)  -->
+                            <ToggleButton
+                                Name="PART_PaneButton"
+                                Grid.Column="0"
+                                Width="{DynamicResource DrawerPagePaneButtonSize}"
+                                Height="{DynamicResource DrawerPagePaneButtonSize}"
+                                Margin="{DynamicResource DrawerPagePaneButtonMargin}"
+                                VerticalAlignment="Center"
+                                Background="{DynamicResource DrawerPagePaneButtonBackground}"
+                                Foreground="{DynamicResource DrawerPagePaneButtonForeground}"
+                                IsChecked="{TemplateBinding IsOpen, Mode=TwoWay}">
+                                <PathIcon
+                                    Width="16"
+                                    Height="16"
+                                    Data="{DynamicResource DrawerPageMenuGlyph}"
+                                    Foreground="{DynamicResource DrawerPagePaneButtonForeground}" />
+                            </ToggleButton>
+
+                            <!--  Drawer icon (shown in top bar)  -->
+                            <ContentPresenter
+                                Name="PART_PaneIconPresenter"
+                                Grid.Column="1"
+                                VerticalAlignment="Center"
+                                Content="{TemplateBinding DrawerIcon}"
+                                ContentTemplate="{TemplateBinding DrawerIconTemplate}" />
+                        </Grid>
+                    </Border>
+
+                    <!--  Main area: SplitView + Backdrop  -->
+                    <Panel Grid.Row="1">
+                        <SplitView
+                            Name="PART_SplitView"
+                            CompactPaneLength="{TemplateBinding CompactDrawerLength}"
+                            DisplayMode="{TemplateBinding DisplayMode}"
+                            IsPaneOpen="{TemplateBinding IsOpen, Mode=TwoWay}"
+                            OpenPaneLength="{TemplateBinding DrawerLength}"
+                            PaneBackground="{TemplateBinding DrawerBackground}">
+                            <SplitView.Pane>
+                                <DockPanel>
+                                    <!--  Drawer header  -->
+                                    <ContentPresenter
+                                        Name="PART_DrawerHeader"
+                                        DockPanel.Dock="Top"
+                                        Background="{TemplateBinding DrawerHeaderBackground}"
+                                        Content="{TemplateBinding DrawerHeader}"
+                                        ContentTemplate="{TemplateBinding DrawerHeaderTemplate}" />
+
+                                    <!--  Drawer footer  -->
+                                    <ContentPresenter
+                                        Name="PART_DrawerFooter"
+                                        DockPanel.Dock="Bottom"
+                                        Background="{TemplateBinding DrawerFooterBackground}"
+                                        Content="{TemplateBinding DrawerFooter}"
+                                        ContentTemplate="{TemplateBinding DrawerFooterTemplate}" />
+
+                                    <!--  Compact pane icon (compact mode)  -->
+                                    <ContentPresenter
+                                        Name="PART_CompactPaneIconPresenter"
+                                        DockPanel.Dock="Top"
+                                        IsVisible="False"
+                                        Content="{TemplateBinding DrawerIcon}"
+                                        ContentTemplate="{TemplateBinding DrawerIconTemplate}" />
+
+                                    <!--  Bottom pane icon  -->
+                                    <ContentPresenter
+                                        Name="PART_BottomPaneIconPresenter"
+                                        DockPanel.Dock="Bottom"
+                                        IsVisible="False" 
+                                        Content="{TemplateBinding DrawerIcon}"
+                                        ContentTemplate="{TemplateBinding DrawerIconTemplate}" />
+
+                                    <!--  Drawer main content  -->
+                                    <ContentPresenter
+                                        Name="PART_DrawerPresenter"
+                                        Content="{TemplateBinding Drawer}"
+                                        ContentTemplate="{TemplateBinding DrawerTemplate}" />
+                                </DockPanel>
+                            </SplitView.Pane>
+
+                            <!--  Main page content  -->
+                            <ContentPresenter
+                                Name="PART_ContentPresenter"
+                                Content="{TemplateBinding Content}"
+                                ContentTemplate="{TemplateBinding ContentTemplate}"
+                                HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                                VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" />
+                        </SplitView>
+
+                        <!--  Backdrop overlay (shown in overlay/flyout modes)  -->
+                        <Border
+                            Name="PART_Backdrop"
+                            Background="{TemplateBinding BackdropBrush}"
+                            IsHitTestVisible="False"
+                            IsVisible="False" />
+
+                        <!--  Compact pane toggle  -->
+                        <ToggleButton
+                            Name="PART_CompactPaneToggle"
+                            IsVisible="False" />
+                    </Panel>
+                </Grid>
+            </ControlTemplate>
+        </Setter>
+
+        <!--  Pseudo-class: right-side drawer  -->
+        <Style Selector="^:placement-right /template/ SplitView#PART_SplitView">
+            <Setter Property="PanePlacement" Value="Right" />
+        </Style>
+
+        <!--  Pseudo-class: top drawer  -->
+        <Style Selector="^:placement-top /template/ SplitView#PART_SplitView">
+            <Setter Property="PanePlacement" Value="Top" />
+        </Style>
+
+        <!--  Pseudo-class: bottom drawer  -->
+        <Style Selector="^:placement-bottom /template/ SplitView#PART_SplitView">
+            <Setter Property="PanePlacement" Value="Bottom" />
+        </Style>
+    </ControlTheme>
+</ResourceDictionary>

src/Semi.Avalonia/Controls/EmbeddableControlRoot.axaml

@@ -10,7 +10,7 @@
                 <Panel>
                     <Border Name="PART_TransparencyFallback" IsHitTestVisible="False" />
                     <Border Background="{TemplateBinding Background}">
-                        <VisualLayerManager>
+                        <VisualLayerManager Name="PART_VisualLayerManager">
                             <ContentPresenter
                                 Name="PART_ContentPresenter"
                                 Margin="{TemplateBinding Padding}"

src/Semi.Avalonia/Controls/GroupBox.axaml

@@ -0,0 +1,5 @@
+<ResourceDictionary
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <StaticResource x:Key="{x:Type GroupBox}" ResourceKey="GroupBox"/>
+</ResourceDictionary>

src/Semi.Avalonia/Controls/HeaderedContentControl.axaml

@@ -1,7 +1,7 @@
 <ResourceDictionary
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:converters="clr-namespace:Avalonia.Controls.Converters;assembly=Avalonia.Controls">
+    xmlns:iri="https://irihi.tech/shared">
     <Design.PreviewWith>
         <StackPanel Spacing="20">
             <HeaderedContentControl
@@ -23,7 +23,6 @@
             </HeaderedContentControl>
         </StackPanel>
     </Design.PreviewWith>
-    <converters:MarginMultiplierConverter x:Key="SeparatorBorderMultiplier" Top="True" Indent="1" />
 
     <ControlTheme x:Key="{x:Type HeaderedContentControl}" TargetType="HeaderedContentControl">
         <Setter Property="Padding" Value="3" />
@@ -97,7 +96,7 @@
                             Name="SeparatorBorder"
                             Grid.Row="1"
                             BorderBrush="{TemplateBinding BorderBrush}"
-                            BorderThickness="{TemplateBinding BorderThickness, Converter={StaticResource SeparatorBorderMultiplier}}">
+                            BorderThickness="{TemplateBinding BorderThickness, Converter={iri:ThicknessMixerConverter Top}}">
                             <Border.IsVisible>
                                 <MultiBinding Converter="{x:Static BoolConverters.And}">
                                     <TemplateBinding Property="Header" Converter="{x:Static ObjectConverters.IsNotNull}" />
@@ -117,5 +116,13 @@
                 </Border>
             </ControlTemplate>
         </Setter>
+
+        <Style Selector="^ /template/ ContentPresenter#PART_HeaderPresenter">
+            <Setter Property="RecognizesAccessKey" Value="True" />
+        </Style>
+
+        <Style Selector="^ /template/ ContentPresenter#PART_ContentPresenter">
+            <Setter Property="RecognizesAccessKey" Value="True" />
+        </Style>
     </ControlTheme>
 </ResourceDictionary>

src/Semi.Avalonia/Controls/ManagedFileChooser.axaml

@@ -1,9 +1,9 @@
 <ResourceDictionary
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:converters="using:Semi.Avalonia.Converters"
-    xmlns:dialogs="clr-namespace:Avalonia.Dialogs;assembly=Avalonia.Dialogs"
-    xmlns:internal="clr-namespace:Avalonia.Dialogs.Internal;assembly=Avalonia.Dialogs"
+    xmlns:iri="https://irihi.tech/shared"
+    xmlns:dialogs="using:Avalonia.Dialogs"
+    xmlns:internal="using:Avalonia.Dialogs.Internal"
     xmlns:cvt="using:Avalonia.Controls.Converters">
     <Design.PreviewWith>
         <Border
@@ -14,11 +14,11 @@
         </Border>
     </Design.PreviewWith>
 
-    <converters:KeyToPathConverter x:Key="Icons">
+    <iri:ResourceConverter x:Key="Icons">
         <StreamGeometry x:Key="Icon_Folder">M19,20H4C2.89,20 2,19.1 2,18V6C2,4.89 2.89,4 4,4H10L12,6H19A2,2 0 0,1 21,8H21L4,8V18L6.14,10H23.21L20.93,18.5C20.7,19.37 19.92,20 19,20Z</StreamGeometry>
         <StreamGeometry x:Key="Icon_File">M13,9H18.5L13,3.5V9M6,2H14L20,8V20A2,2 0 0,1 18,22H6C4.89,22 4,21.1 4,20V4C4,2.89 4.89,2 6,2M15,18V16H6V18H15M18,14V12H6V14H18Z</StreamGeometry>
         <StreamGeometry x:Key="Icon_Volume">M6,2H18A2,2 0 0,1 20,4V20A2,2 0 0,1 18,22H6A2,2 0 0,1 4,20V4A2,2 0 0,1 6,2M12,4A6,6 0 0,0 6,10C6,13.31 8.69,16 12.1,16L11.22,13.77C10.95,13.29 11.11,12.68 11.59,12.4L12.45,11.9C12.93,11.63 13.54,11.79 13.82,12.27L15.74,14.69C17.12,13.59 18,11.9 18,10A6,6 0 0,0 12,4M12,9A1,1 0 0,1 13,10A1,1 0 0,1 12,11A1,1 0 0,1 11,10A1,1 0 0,1 12,9M7,18A1,1 0 0,0 6,19A1,1 0 0,0 7,20A1,1 0 0,0 8,19A1,1 0 0,0 7,18M12.09,13.27L14.58,19.58L17.17,18.08L12.95,12.77L12.09,13.27Z</StreamGeometry>
-    </converters:KeyToPathConverter>
+    </iri:ResourceConverter>
     <ControlTheme x:Key="{x:Type dialogs:ManagedFileChooser}" TargetType="dialogs:ManagedFileChooser">
         <Setter Property="Template">
             <ControlTemplate x:DataType="internal:ManagedFileChooserViewModel" TargetType="dialogs:ManagedFileChooser">
@@ -77,7 +77,7 @@
                             <TextBox
                                 IsVisible="{Binding !SelectingFolder}"
                                 Text="{Binding FileName}"
-                                Watermark="{DynamicResource STRING_CHOOSER_FILE_NAME}" />
+                                PlaceholderText="{DynamicResource STRING_CHOOSER_FILE_NAME}" />
                         </DockPanel>
                         <CheckBox
                             VerticalAlignment="Center"

src/Semi.Avalonia/Controls/MenuFlyoutPresenter.axaml

@@ -54,4 +54,17 @@
             </ControlTemplate>
         </Setter>
     </ControlTheme>
+
+    <ControlTheme
+        x:Key="HorizontalMenuFlyoutPresenter"
+        TargetType="MenuFlyoutPresenter"
+        BasedOn="{StaticResource {x:Type MenuFlyoutPresenter}}">
+        <Setter Property="Padding" Value="0" />
+        <Setter Property="MinWidth" Value="{DynamicResource HorizontalMenuFlyoutThemeMinWidth}" />
+        <Setter Property="ItemsPanel">
+            <ItemsPanelTemplate>
+                <StackPanel Orientation="Horizontal" />
+            </ItemsPanelTemplate>
+        </Setter>
+    </ControlTheme>
 </ResourceDictionary>

src/Semi.Avalonia/Controls/NavigationPage.axaml

@@ -0,0 +1,94 @@
+<ResourceDictionary
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <Design.PreviewWith>
+        <NavigationPage Width="400" Height="300" />
+    </Design.PreviewWith>
+
+    <ControlTheme x:Key="{x:Type NavigationPage}" TargetType="NavigationPage">
+        <Setter Property="Background" Value="{DynamicResource NavigationPageBackground}" />
+        <Setter Property="Foreground" Value="{DynamicResource NavigationPageForeground}" />
+        <Setter Property="BarHeight" Value="{DynamicResource NavigationPageBarMinHeight}" />
+        <Setter Property="Template">
+            <ControlTemplate TargetType="NavigationPage">
+                <Grid RowDefinitions="Auto,*,Auto" Background="{TemplateBinding Background}">
+                    <!--  Top command bar  -->
+                    <ContentPresenter
+                        Name="PART_TopCommandBar"
+                        Grid.Row="0" />
+
+                    <!--  Content host (pages + navigation bar)  -->
+                    <Panel Name="PART_ContentHost" Grid.Row="1">
+                        <!--  Previous page (back animation target)  -->
+                        <ContentPresenter Name="PART_PageBackPresenter" />
+
+                        <!--  Current page  -->
+                        <ContentPresenter Name="PART_PagePresenter" />
+
+                        <!--  Modal back page  -->
+                        <ContentPresenter Name="PART_ModalBackPresenter" />
+
+                        <!--  Modal page  -->
+                        <ContentPresenter Name="PART_ModalPresenter" />
+
+                        <!--  Navigation bar (overlaid on content by default)  -->
+                        <Border
+                            Name="PART_NavigationBar"
+                            MinHeight="{TemplateBinding BarHeight}"
+                            Padding="{DynamicResource NavigationPageBarPadding}"
+                            VerticalAlignment="Top"
+                            Background="{DynamicResource NavigationPageBarBackground}"
+                            BorderBrush="{DynamicResource NavigationPageBarBorderBrush}"
+                            BorderThickness="{DynamicResource NavigationPageBarBorderThickness}">
+                            <Grid ColumnDefinitions="Auto,*,Auto">
+                                <Button
+                                    Name="PART_BackButton"
+                                    Grid.Column="0"
+                                    MinHeight="{DynamicResource NavigationPageBarMinHeight}"
+                                    MinWidth="{DynamicResource NavigationPageBarMinHeight}"
+                                    Padding="8"
+                                    VerticalAlignment="Center"
+                                    IsVisible="{TemplateBinding IsBackButtonEffectivelyVisible}"
+                                    Background="{DynamicResource NavigationPageBackButtonBackground}"
+                                    Theme="{StaticResource BorderlessButton}">
+                                    <Panel Background="Transparent">
+                                        <PathIcon
+                                            Theme="{StaticResource InnerPathIcon}"
+                                            Classes="Large"
+                                            Data="{DynamicResource NavigationPageBackButtonGlyph}"
+                                            Foreground="{DynamicResource NavigationPageBackButtonForeground}"
+                                            IsVisible="{Binding CurrentPage?.(NavigationPage.BackButtonContent), RelativeSource={RelativeSource TemplatedParent}, Converter={x:Static ObjectConverters.IsNull}, FallbackValue=False}" />
+                                        <ContentPresenter
+                                            Content="{Binding CurrentPage?.(NavigationPage.BackButtonContent), RelativeSource={RelativeSource TemplatedParent}, FallbackValue={x:Null}}"
+                                            IsVisible="{Binding CurrentPage?.(NavigationPage.BackButtonContent), RelativeSource={RelativeSource TemplatedParent}, Converter={x:Static ObjectConverters.IsNotNull}, FallbackValue=False}"
+                                            VerticalAlignment="Center"
+                                            HorizontalAlignment="Center" />
+                                    </Panel>
+                                </Button>
+                                <ContentPresenter
+                                    Grid.Column="1"
+                                    HorizontalAlignment="Center"
+                                    VerticalAlignment="Center" />
+                            </Grid>
+                        </Border>
+                    </Panel>
+
+                    <!--  Bottom command bar  -->
+                    <ContentPresenter
+                        Name="PART_BottomCommandBar"
+                        Grid.Row="2" />
+                </Grid>
+            </ControlTemplate>
+        </Setter>
+
+        <!--  Navigation bar is inset (content flows under the bar)  -->
+        <Style Selector="^:nav-bar-inset /template/ Border#PART_NavigationBar">
+            <Setter Property="BorderThickness" Value="0" />
+        </Style>
+
+        <!--  Compact navigation bar  -->
+        <Style Selector="^:nav-bar-compact /template/ Border#PART_NavigationBar">
+            <Setter Property="MinHeight" Value="0" />
+        </Style>
+    </ControlTheme>
+</ResourceDictionary>

src/Semi.Avalonia/Controls/NumericUpDown.axaml

@@ -6,6 +6,7 @@
         <Setter Property="VerticalContentAlignment" Value="Center" />
         <Setter Property="CornerRadius" Value="{DynamicResource NumericUpDownCornerRadius}" />
         <Setter Property="MinHeight" Value="{DynamicResource NumericUpDownDefaultHeight}" />
+        <Setter Property="PlaceholderForeground" Value="{DynamicResource TextBoxPlaceholderForeground}" />
         <Setter Property="Template">
             <ControlTemplate TargetType="NumericUpDown">
                 <DataValidationErrors>
@@ -38,7 +39,8 @@
                             Theme="{DynamicResource NonErrorTextBox}"
                             InnerLeftContent="{TemplateBinding InnerLeftContent}"
                             InnerRightContent="{TemplateBinding InnerRightContent}"
-                            Watermark="{TemplateBinding Watermark}" />
+                            PlaceholderForeground="{TemplateBinding PlaceholderForeground}"
+                            PlaceholderText="{TemplateBinding PlaceholderText}" />
                     </ButtonSpinner>
                 </DataValidationErrors>
             </ControlTemplate>
@@ -50,6 +52,15 @@
         <Style Selector="^.Small">
             <Setter Property="MinHeight" Value="{DynamicResource NumericUpDownSmallHeight}" />
         </Style>
+        
+        <Style Selector="^.Split">
+            <Style Selector="^ /template/ ButtonSpinner#PART_Spinner">
+                <Setter Property="Theme" Value="{DynamicResource SplitButtonSpinner}" />
+            </Style>
+            <Style Selector="^ /template/ TextBox#PART_TextBox">
+                <Setter Property="CornerRadius" Value="0" />
+            </Style>
+        </Style>
 
         <Style Selector="^:error">
             <Style Selector="^ /template/ TextBox#PART_TextBox">

src/Semi.Avalonia/Controls/PipsPager.axaml

@@ -0,0 +1,130 @@
+<ResourceDictionary
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    
+    <Design.PreviewWith>
+        <StackPanel Margin="20" >
+            <PipsPager NumberOfPages="10" />
+        </StackPanel>
+    </Design.PreviewWith>
+    
+    <ControlTheme x:Key="PipsPagerButton" TargetType="Button">
+        <Setter Property="Width" Value="24" />
+        <Setter Property="Height" Value="24" />
+        <Setter Property="Foreground" Value="{DynamicResource PipsPagerButtonForeground}" />
+        <Setter Property="Cursor" Value="Hand" />
+        <Setter Property="Template">
+            <ControlTemplate TargetType="Button">
+                <PathIcon
+                    Theme="{DynamicResource InnerPathIcon}"
+                    Width="{TemplateBinding Width}"
+                    Height="{TemplateBinding Height}"
+                    Data="{TemplateBinding Content}"
+                    Foreground="{TemplateBinding Foreground}" />
+            </ControlTemplate>
+        </Setter>
+        <Style Selector="^:pointerover /template/ PathIcon">
+            <Setter Property="Foreground" Value="{DynamicResource PipsPagerButtonPointeroverForeground}" />
+        </Style>
+    </ControlTheme>
+    
+    <ControlTheme x:Key="PipsPagerIndicatorDotListBoxItem" TargetType="ListBoxItem">
+        <Setter Property="Foreground" Value="{DynamicResource PipsPagerIndicatorForeground}" />
+        <Setter Property="Margin" Value="4" />
+        <Setter Property="Cursor" Value="Hand" />
+        <Setter Property="Template">
+            <ControlTemplate TargetType="ListBoxItem">
+                <Ellipse
+                    Name="Container"
+                    Width="{DynamicResource CarouselIndicatorDotWidth}"
+                    Height="{DynamicResource CarouselIndicatorDotHeight}"
+                    Fill="{TemplateBinding Foreground}" />
+            </ControlTemplate>
+        </Setter>
+        <Style Selector="^:pointerover">
+            <Setter Property="Foreground" Value="{DynamicResource PipsPagerIndicatorPointeroverForeground}" />
+        </Style>
+        <Style Selector="^:pressed">
+            <Setter Property="Foreground" Value="{DynamicResource PipsPagerIndicatorPressedForeground}" />
+        </Style>
+        <Style Selector="^:selected">
+            <Setter Property="Foreground" Value="{DynamicResource PipsPagerIndicatorSelectedForeground}" />
+        </Style>
+    </ControlTheme>
+
+    <ControlTheme x:Key="{x:Type PipsPager}" TargetType="PipsPager">
+        <Setter Property="IsTabStop" Value="False" />
+        <Setter Property="PreviousButtonTheme" Value="{StaticResource PipsPagerButton}" />
+        <Setter Property="NextButtonTheme" Value="{StaticResource PipsPagerButton}" />
+        <Setter Property="Template">
+            <ControlTemplate>
+                <StackPanel
+                    Name="PART_RootPanel"
+                    Orientation="{TemplateBinding Orientation}"
+                    Background="{TemplateBinding Background}"
+                    ClipToBounds="False">
+                    <Button
+                        Name="PART_PreviousButton"
+                        Theme="{TemplateBinding PreviousButtonTheme}"
+                        IsVisible="{TemplateBinding IsPreviousButtonVisible}"
+                        Foreground="{DynamicResource PipsPagerButtonForeground}"
+                        Content="{StaticResource SemiIconSmallTriangleLeft}" />
+
+                    <ListBox
+                        Name="PART_PipsPagerList"
+                        HorizontalAlignment="Center"
+                        VerticalAlignment="Center"
+                        ScrollViewer.HorizontalScrollBarVisibility="Hidden"
+                        ScrollViewer.VerticalScrollBarVisibility="Hidden"
+                        ItemsSource="{Binding TemplateSettings.Pips, RelativeSource={RelativeSource TemplatedParent}}"
+                        SelectedIndex="{TemplateBinding SelectedPageIndex, Mode=TwoWay}"
+                        AutoScrollToSelectedItem="False"
+                        ItemContainerTheme="{StaticResource PipsPagerIndicatorDotListBoxItem}">
+                        <ListBox.ItemsPanel>
+                            <ItemsPanelTemplate>
+                                <StackPanel Orientation="{Binding $parent[PipsPager].Orientation}" />
+                            </ItemsPanelTemplate>
+                        </ListBox.ItemsPanel>
+                    </ListBox>
+
+                    <Button
+                        Name="PART_NextButton"
+                        Theme="{TemplateBinding NextButtonTheme}"
+                        Foreground="{DynamicResource PipsPagerButtonForeground}"
+                        Content="{StaticResource SemiIconSmallTriangleRight}"
+                        IsVisible="{TemplateBinding IsNextButtonVisible}" />
+                </StackPanel>
+            </ControlTemplate>
+        </Setter>
+
+        <Style Selector="^:horizontal /template/ StackPanel#PART_RootPanel">
+            <Setter Property="Orientation" Value="Horizontal" />
+        </Style>
+
+        <Style Selector="^:vertical">
+
+            <Style Selector="^ /template/ StackPanel#PART_RootPanel">
+                <Setter Property="Orientation" Value="Vertical" />
+                <Setter Property="HorizontalAlignment" Value="Center" />
+            </Style>
+
+            <Style Selector="^ /template/ Button#PART_PreviousButton">
+                <Setter Property="Content" Value="{DynamicResource SemiIconSmallTriangleTop}" />
+            </Style>
+            <Style Selector="^ /template/ Button#PART_NextButton">
+                <Setter Property="Content" Value="{DynamicResource SemiIconSmallTriangleDown}" />
+            </Style>
+        </Style>
+
+        <Style Selector="^:first-page /template/ Button#PART_PreviousButton">
+            <Setter Property="Opacity" Value="0" />
+            <Setter Property="IsHitTestVisible" Value="False" />
+        </Style>
+
+        <Style Selector="^:last-page /template/ Button#PART_NextButton">
+            <Setter Property="Opacity" Value="0" />
+            <Setter Property="IsHitTestVisible" Value="False" />
+        </Style>
+    </ControlTheme>
+
+</ResourceDictionary>

src/Semi.Avalonia/Controls/Popup.axaml

@@ -13,7 +13,7 @@
                 <LayoutTransformControl LayoutTransform="{TemplateBinding Transform}">
                     <Panel>
                         <Border Name="PART_TransparencyFallback" IsHitTestVisible="False" />
-                        <VisualLayerManager IsPopup="True">
+                        <VisualLayerManager Name="PART_VisualLayerManager">
                             <LayoutTransformControl Name="PART_LayoutTransform">
                                 <ContentPresenter
                                     Name="PART_ContentPresenter"
@@ -37,7 +37,7 @@
         <Setter Property="Template">
             <ControlTemplate>
                 <LayoutTransformControl LayoutTransform="{TemplateBinding Transform}">
-                    <VisualLayerManager IsPopup="True">
+                    <VisualLayerManager Name="PART_VisualLayerManager">
                         <LayoutTransformControl Name="PART_LayoutTransform">
                             <ContentPresenter
                                 Name="PART_ContentPresenter"

src/Semi.Avalonia/Controls/ProgressBar.axaml

@@ -1,90 +1,57 @@
 <ResourceDictionary
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:converters="using:Avalonia.Controls.Converters"
-    xmlns:semiConverters="clr-namespace:Semi.Avalonia.Converters">
+    xmlns:semi="https://irihi.tech/semi"
+    xmlns:converters="using:Avalonia.Controls.Converters">
     <Design.PreviewWith>
-        <StackPanel Margin="20" Spacing="20">
-            <ProgressBar
-                Width="200"
-                Maximum="100"
-                Minimum="0"
-                ShowProgressText="True"
-                Value="20" />
-            <ProgressBar
-                Width="200"
-                IsIndeterminate="True"
-                Maximum="100"
-                Minimum="0"
-                ShowProgressText="True"
-                Value="20" />
-            <ProgressBar
-                Width="200"
-                Classes="Left"
-                IsIndeterminate="True"
-                Maximum="100"
-                Minimum="0"
-                ShowProgressText="True"
-                Value="20" />
-            <ProgressBar
-                Width="200"
-                Classes="Left"
-                Maximum="100"
-                Minimum="0"
-                ShowProgressText="True"
-                Value="20" />
-            <ProgressBar
-                Width="200"
-                Classes="Right"
-                Maximum="100"
-                Minimum="0"
-                ShowProgressText="True"
-                Value="20" />
-            <StackPanel
-                HorizontalAlignment="Left"
-                Orientation="Horizontal"
-                Spacing="20">
-                <ProgressBar
-                    Classes="Left"
-                    Maximum="100"
-                    Minimum="0"
-                    Orientation="Vertical"
-                    ShowProgressText="True"
-                    Value="20" />
-                <ProgressBar
-                    Classes="Right"
-                    Maximum="100"
-                    Minimum="0"
-                    Orientation="Vertical"
-                    ShowProgressText="True"
-                    Value="20" />
-                <ProgressBar
-                    Maximum="100"
-                    Minimum="0"
-                    Orientation="Vertical"
-                    ShowProgressText="True"
-                    Value="20" />
-                <ProgressBar
-                    Classes="Left"
-                    Maximum="100"
-                    Minimum="0"
-                    Orientation="Vertical"
-                    ShowProgressText="False"
-                    Value="20" />
-                <ProgressBar
-                    IsIndeterminate="True"
-                    Maximum="100"
-                    Minimum="0"
-                    Orientation="Vertical"
-                    ShowProgressText="True"
-                    Value="20" />
-                <ProgressBar
-                    IsIndeterminate="True"
-                    Maximum="100"
-                    Minimum="0"
-                    Orientation="Vertical"
-                    ShowProgressText="False"
-                    Value="20" />
+        <StackPanel Width="400" Margin="20">
+            <ProgressBar />
+            <ProgressBar Value="20" />
+            <ProgressBar Value="50" Classes="Success" />
+            <ProgressBar Value="80" Classes="Warning" />
+            <ProgressBar Value="100" Classes="Error" />
+            <ProgressBar ShowProgressText="True" />
+            <ProgressBar Value="20" ShowProgressText="True" />
+            <ProgressBar Value="50" Classes="Success" ShowProgressText="True" />
+            <ProgressBar Value="80" Classes="Warning" ShowProgressText="True" />
+            <ProgressBar Value="100" Classes="Error" ShowProgressText="True" />
+            <ProgressBar Classes="Left" ShowProgressText="True" />
+            <ProgressBar Value="20" Classes="Left" ShowProgressText="True" />
+            <ProgressBar Value="50" Classes="Left Success" ShowProgressText="True" />
+            <ProgressBar Value="80" Classes="Left Warning" ShowProgressText="True" />
+            <ProgressBar Value="100" Classes="Left Error" ShowProgressText="True" />
+            <ProgressBar Classes="Right" ShowProgressText="True" />
+            <ProgressBar Value="20" Classes="Right" ShowProgressText="True" />
+            <ProgressBar Value="50" Classes="Right Success" ShowProgressText="True" />
+            <ProgressBar Value="80" Classes="Right Warning" ShowProgressText="True" />
+            <ProgressBar Value="100" Classes="Right Error" ShowProgressText="True" />
+
+            <StackPanel Orientation="Horizontal">
+                <StackPanel.Styles>
+                    <Style Selector="ProgressBar">
+                        <Setter Property="Orientation" Value="Vertical" />
+                    </Style>
+                </StackPanel.Styles>
+                <ProgressBar />
+                <ProgressBar Value="20" />
+                <ProgressBar Value="50" Classes="Success" />
+                <ProgressBar Value="80" Classes="Warning" />
+                <ProgressBar Value="100" Classes="Error" />
+                <ProgressBar ShowProgressText="True" />
+                <ProgressBar Value="20" ShowProgressText="True" />
+                <ProgressBar Value="50" Classes="Success" ShowProgressText="True" />
+                <ProgressBar Value="80" Classes="Warning" ShowProgressText="True" />
+                <ProgressBar Value="100" Classes="Error" ShowProgressText="True" />
+                <ProgressBar Classes="Top" ShowProgressText="True" />
+                <ProgressBar Value="20" Classes="Top" ShowProgressText="True" />
+                <ProgressBar Value="50" Classes="Top Success" ShowProgressText="True" />
+                <ProgressBar Value="80" Classes="Top Warning" ShowProgressText="True" />
+                <ProgressBar Value="100" Classes="Top Error" ShowProgressText="True" />
+                <ProgressBar Classes="Bottom" ShowProgressText="True" />
+                <ProgressBar Value="20" Classes="Bottom" ShowProgressText="True" />
+                <ProgressBar Value="50" Classes="Bottom Success" ShowProgressText="True" />
+                <ProgressBar Value="80" Classes="Bottom Warning" ShowProgressText="True" />
+                <ProgressBar Value="100" Classes="Bottom Error" ShowProgressText="True" />
             </StackPanel>
         </StackPanel>
     </Design.PreviewWith>
@@ -115,7 +82,7 @@
                             <Panel Name="DeterminateRoot" Opacity="1">
                                 <Panel.Transitions>
                                     <Transitions>
-                                        <DoubleTransition Property="Opacity" Duration="0:0:0.197" />
+                                        <DoubleTransition Property="Opacity" Duration="0:0:0.2" />
                                     </Transitions>
                                 </Panel.Transitions>
                                 <Border
@@ -127,7 +94,7 @@
                             <Panel Name="IndeterminateRoot" Opacity="0">
                                 <Panel.Transitions>
                                     <Transitions>
-                                        <DoubleTransition Property="Opacity" Duration="0:0:0.197" />
+                                        <DoubleTransition Property="Opacity" Duration="0:0:0.2" />
                                     </Transitions>
                                 </Panel.Transitions>
                                 <Border
@@ -158,7 +125,7 @@
                             <TextBlock.Text>
                                 <MultiBinding Converter="{StaticResource StringFormatConverter}">
                                     <TemplateBinding Property="ProgressTextFormat" />
-                                    <Binding Path="Value" RelativeSource="{RelativeSource TemplatedParent}" />
+                                    <TemplateBinding Property="Value" />
                                     <TemplateBinding Property="Percentage" />
                                     <TemplateBinding Property="Minimum" />
                                     <TemplateBinding Property="Maximum" />
@@ -191,155 +158,159 @@
         <Style Selector="^.Error">
             <Setter Property="Foreground" Value="{DynamicResource ProgressBarErrorForeground}" />
         </Style>
-        <Style Selector="^:horizontal /template/ Border#PART_Indicator">
-            <Setter Property="HorizontalAlignment" Value="Left" />
-            <Setter Property="VerticalAlignment" Value="Stretch" />
-        </Style>
-        <Style Selector="^:vertical /template/ Border#PART_Indicator">
-            <Setter Property="HorizontalAlignment" Value="Stretch" />
-            <Setter Property="VerticalAlignment" Value="Top" />
-        </Style>
+
         <Style Selector="^:horizontal">
             <Setter Property="MinWidth" Value="200" />
             <Setter Property="MinHeight" Value="4" />
+            <Style Selector="^ /template/ Border#PART_Indicator">
+                <Setter Property="HorizontalAlignment" Value="Left" />
+            </Style>
+            <Style Selector="^ /template/ Border#IndeterminateProgressBarIndicator">
+                <Setter Property="Width" Value="{Binding $parent[ProgressBar].TemplateSettings.ContainerWidth}" />
+            </Style>
+            <Style Selector="^ /template/ Border#IndeterminateProgressBarIndicator2">
+                <Setter Property="Width" Value="{Binding $parent[ProgressBar].TemplateSettings.Container2Width}" />
+            </Style>
+
+            <Style Selector="^.Left,^.Top">
+                <Style Selector="^ /template/ LayoutTransformControl#PART_LayoutTransformControl">
+                    <Setter Property="Grid.Column" Value="0" />
+                    <Setter Property="Grid.Row" Value="1" />
+                    <Setter Property="Margin" Value="0 0 16 0" />
+                    <Setter Property="MinWidth" Value="45" />
+                </Style>
+                <Style Selector="^ /template/ Border#ProgressBarRoot">
+                    <Setter Property="MinHeight" Value="4" />
+                    <Setter Property="VerticalAlignment" Value="Center" />
+                </Style>
+            </Style>
+            <Style Selector="^.Right,^.Bottom">
+                <Style Selector="^ /template/ LayoutTransformControl#PART_LayoutTransformControl">
+                    <Setter Property="Grid.Column" Value="2" />
+                    <Setter Property="Grid.Row" Value="1" />
+                    <Setter Property="Margin" Value="16 0 0 0" />
+                    <Setter Property="MinWidth" Value="45" />
+                </Style>
+                <Style Selector="^ /template/ Border#ProgressBarRoot">
+                    <Setter Property="MinHeight" Value="4" />
+                    <Setter Property="VerticalAlignment" Value="Center" />
+                </Style>
+            </Style>
         </Style>
+
         <Style Selector="^:vertical">
+            <Style Selector="^ /template/ LayoutTransformControl#PART_LayoutTransformControl">
+                <Setter Property="LayoutTransform">
+                    <RotateTransform Angle="90" />
+                </Setter>
+            </Style>
             <Setter Property="MinWidth" Value="4" />
             <Setter Property="MinHeight" Value="200" />
-        </Style>
-        <Style Selector="^:vertical /template/ LayoutTransformControl#PART_LayoutTransformControl">
-            <Setter Property="LayoutTransform">
-                <RotateTransform Angle="90" />
-            </Setter>
-        </Style>
-        <Style Selector="^:indeterminate /template/ Panel#DeterminateRoot">
-            <Setter Property="Opacity" Value="0" />
-        </Style>
-        <Style Selector="^:indeterminate /template/ Panel#IndeterminateRoot">
-            <Setter Property="Opacity" Value="1" />
-        </Style>
-        <Style Selector="^:horizontal:indeterminate /template/ Border#IndeterminateProgressBarIndicator">
-            <Style.Animations>
-                <Animation IterationCount="Infinite" Duration="0:0:2">
-                    <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:0">
-                        <Setter Property="TranslateTransform.X" Value="{Binding $parent[ProgressBar].TemplateSettings.ContainerAnimationStartPosition}" />
-                    </KeyFrame>
-                    <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:1.5">
-                        <Setter Property="TranslateTransform.X" Value="{Binding $parent[ProgressBar].TemplateSettings.ContainerAnimationEndPosition}" />
-                    </KeyFrame>
-                    <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:2">
-                        <Setter Property="TranslateTransform.X" Value="{Binding $parent[ProgressBar].TemplateSettings.ContainerAnimationEndPosition}" />
-                    </KeyFrame>
-                </Animation>
-            </Style.Animations>
-        </Style>
-        <Style Selector="^:horizontal:indeterminate /template/ Border#IndeterminateProgressBarIndicator2">
-            <Style.Animations>
-                <Animation IterationCount="Infinite" Duration="0:0:2">
-                    <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:0">
-                        <Setter Property="TranslateTransform.X" Value="{Binding $parent[ProgressBar].TemplateSettings.Container2AnimationStartPosition}" />
-                    </KeyFrame>
-                    <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:0.75">
-                        <Setter Property="TranslateTransform.X" Value="{Binding $parent[ProgressBar].TemplateSettings.Container2AnimationStartPosition}" />
-                    </KeyFrame>
-                    <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:2">
-                        <Setter Property="TranslateTransform.X" Value="{Binding $parent[ProgressBar].TemplateSettings.Container2AnimationEndPosition}" />
-                    </KeyFrame>
-                </Animation>
-            </Style.Animations>
-        </Style>
-        <Style Selector="^:vertical:indeterminate /template/ Border#IndeterminateProgressBarIndicator">
-            <Style.Animations>
-                <Animation IterationCount="Infinite" Duration="0:0:2">
-                    <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:0">
-                        <Setter Property="TranslateTransform.Y" Value="{Binding $parent[ProgressBar].TemplateSettings.ContainerAnimationStartPosition}" />
-                    </KeyFrame>
-                    <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:1.5">
-                        <Setter Property="TranslateTransform.Y" Value="{Binding $parent[ProgressBar].TemplateSettings.ContainerAnimationEndPosition}" />
-                    </KeyFrame>
-                    <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:2">
-                        <Setter Property="TranslateTransform.Y" Value="{Binding $parent[ProgressBar].TemplateSettings.ContainerAnimationEndPosition}" />
-                    </KeyFrame>
-                </Animation>
-            </Style.Animations>
-        </Style>
-        <Style Selector="^:vertical:indeterminate /template/ Border#IndeterminateProgressBarIndicator2">
-            <Style.Animations>
-                <Animation IterationCount="Infinite" Duration="0:0:2">
-                    <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:0">
-                        <Setter Property="TranslateTransform.Y" Value="{Binding $parent[ProgressBar].TemplateSettings.Container2AnimationStartPosition}" />
-                    </KeyFrame>
-                    <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:0.75">
-                        <Setter Property="TranslateTransform.Y" Value="{Binding $parent[ProgressBar].TemplateSettings.Container2AnimationStartPosition}" />
-                    </KeyFrame>
-                    <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:2">
-                        <Setter Property="TranslateTransform.Y" Value="{Binding $parent[ProgressBar].TemplateSettings.Container2AnimationEndPosition}" />
-                    </KeyFrame>
-                </Animation>
-            </Style.Animations>
-        </Style>
-        <Style Selector="^:horizontal /template/ Border#IndeterminateProgressBarIndicator">
-            <Setter Property="Width" Value="{Binding $parent[ProgressBar].TemplateSettings.ContainerWidth}" />
-        </Style>
-        <Style Selector="^:horizontal /template/ Border#IndeterminateProgressBarIndicator2">
-            <Setter Property="Width" Value="{Binding $parent[ProgressBar].TemplateSettings.Container2Width}" />
-        </Style>
-        <Style Selector="^:vertical /template/ Border#IndeterminateProgressBarIndicator">
-            <Setter Property="Height" Value="{Binding $parent[ProgressBar].TemplateSettings.ContainerWidth}" />
-        </Style>
-        <Style Selector="^:vertical /template/ Border#IndeterminateProgressBarIndicator2">
-            <Setter Property="Height" Value="{Binding $parent[ProgressBar].TemplateSettings.Container2Width}" />
-        </Style>
-        <Style Selector="^.Left">
-            <Style Selector="^:horizontal /template/ LayoutTransformControl#PART_LayoutTransformControl">
-                <Setter Property="Grid.Column" Value="0" />
-                <Setter Property="Grid.Row" Value="1" />
-                <Setter Property="Margin" Value="4 0" />
+            <Style Selector="^ /template/ Border#PART_Indicator">
+                <Setter Property="VerticalAlignment" Value="Top" />
             </Style>
-            <Style Selector="^:vertical /template/ LayoutTransformControl#PART_LayoutTransformControl">
-                <Setter Property="Grid.Column" Value="1" />
-                <Setter Property="Grid.Row" Value="0" />
-                <Setter Property="Margin" Value="0 4" />
+            <Style Selector="^ /template/ Border#IndeterminateProgressBarIndicator">
+                <Setter Property="Height" Value="{Binding $parent[ProgressBar].TemplateSettings.ContainerWidth}" />
             </Style>
-            <Style Selector="^:horizontal /template/ Border#ProgressBarRoot">
-                <Setter Property="MinHeight" Value="4" />
-                <Setter Property="VerticalAlignment" Value="Center" />
+            <Style Selector="^ /template/ Border#IndeterminateProgressBarIndicator2">
+                <Setter Property="Height" Value="{Binding $parent[ProgressBar].TemplateSettings.Container2Width}" />
             </Style>
-            <Style Selector="^:vertical /template/ Border#ProgressBarRoot">
-                <Setter Property="MinWidth" Value="4" />
-                <Setter Property="HorizontalAlignment" Value="Center" />
+            <Style Selector="^.Left,^.Top">
+                <Style Selector="^ /template/ LayoutTransformControl#PART_LayoutTransformControl">
+                    <Setter Property="Grid.Column" Value="1" />
+                    <Setter Property="Grid.Row" Value="0" />
+                    <Setter Property="Margin" Value="0 0 0 16" />
+                    <Setter Property="MinHeight" Value="45" />
+                </Style>
+                <Style Selector="^ /template/ Border#ProgressBarRoot">
+                    <Setter Property="MinWidth" Value="4" />
+                    <Setter Property="HorizontalAlignment" Value="Center" />
+                </Style>
             </Style>
-            <Style Selector="^ /template/ TextBlock#PART_ProgressText">
-                <Setter Property="Foreground" Value="{DynamicResource ProgressBarOuterTextForeground}" />
+            <Style Selector="^.Right,^.Bottom">
+                <Style Selector="^ /template/ LayoutTransformControl#PART_LayoutTransformControl">
+                    <Setter Property="Grid.Column" Value="1" />
+                    <Setter Property="Grid.Row" Value="2" />
+                    <Setter Property="Margin" Value="0 16 0 0" />
+                    <Setter Property="MinHeight" Value="45" />
+                </Style>
+                <Style Selector="^ /template/ Border#ProgressBarRoot">
+                    <Setter Property="MinWidth" Value="4" />
+                    <Setter Property="HorizontalAlignment" Value="Center" />
+                </Style>
             </Style>
         </Style>
-        <Style Selector="^.Right">
-            <Style Selector="^:horizontal /template/ LayoutTransformControl#PART_LayoutTransformControl">
-                <Setter Property="Grid.Column" Value="2" />
-                <Setter Property="Grid.Row" Value="1" />
-                <Setter Property="Margin" Value="4 0" />
+
+        <Style Selector="^:indeterminate">
+            <Style Selector="^ /template/ Panel#DeterminateRoot">
+                <Setter Property="Opacity" Value="0" />
             </Style>
-            <Style Selector="^:vertical /template/ LayoutTransformControl#PART_LayoutTransformControl">
-                <Setter Property="Grid.Column" Value="1" />
-                <Setter Property="Grid.Row" Value="2" />
-                <Setter Property="Margin" Value="0 4" />
+            <Style Selector="^ /template/ Panel#IndeterminateRoot">
+                <Setter Property="Opacity" Value="1" />
             </Style>
-            <Style Selector="^:horizontal /template/ Border#ProgressBarRoot">
-                <Setter Property="MinHeight" Value="4" />
-                <Setter Property="VerticalAlignment" Value="Center" />
+            <Style Selector="^:horizontal /template/ Border#IndeterminateProgressBarIndicator">
+                <Style.Animations>
+                    <Animation IterationCount="Infinite" Duration="0:0:2">
+                        <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:0">
+                            <Setter Property="TranslateTransform.X" Value="{Binding $parent[ProgressBar].TemplateSettings.ContainerAnimationStartPosition}" />
+                        </KeyFrame>
+                        <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:1.5">
+                            <Setter Property="TranslateTransform.X" Value="{Binding $parent[ProgressBar].TemplateSettings.ContainerAnimationEndPosition}" />
+                        </KeyFrame>
+                        <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:2">
+                            <Setter Property="TranslateTransform.X" Value="{Binding $parent[ProgressBar].TemplateSettings.ContainerAnimationEndPosition}" />
+                        </KeyFrame>
+                    </Animation>
+                </Style.Animations>
             </Style>
-            <Style Selector="^:vertical /template/ Border#ProgressBarRoot">
-                <Setter Property="MinWidth" Value="4" />
-                <Setter Property="HorizontalAlignment" Value="Center" />
+            <Style Selector="^:horizontal /template/ Border#IndeterminateProgressBarIndicator2">
+                <Style.Animations>
+                    <Animation IterationCount="Infinite" Duration="0:0:2">
+                        <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:0">
+                            <Setter Property="TranslateTransform.X" Value="{Binding $parent[ProgressBar].TemplateSettings.Container2AnimationStartPosition}" />
+                        </KeyFrame>
+                        <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:0.75">
+                            <Setter Property="TranslateTransform.X" Value="{Binding $parent[ProgressBar].TemplateSettings.Container2AnimationStartPosition}" />
+                        </KeyFrame>
+                        <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:2">
+                            <Setter Property="TranslateTransform.X" Value="{Binding $parent[ProgressBar].TemplateSettings.Container2AnimationEndPosition}" />
+                        </KeyFrame>
+                    </Animation>
+                </Style.Animations>
             </Style>
-            <Style Selector="^ /template/ TextBlock#PART_ProgressText">
-                <Setter Property="Foreground" Value="{DynamicResource ProgressBarOuterTextForeground}" />
+            <Style Selector="^:vertical /template/ Border#IndeterminateProgressBarIndicator">
+                <Style.Animations>
+                    <Animation IterationCount="Infinite" Duration="0:0:2">
+                        <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:0">
+                            <Setter Property="TranslateTransform.Y" Value="{Binding $parent[ProgressBar].TemplateSettings.ContainerAnimationStartPosition}" />
+                        </KeyFrame>
+                        <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:1.5">
+                            <Setter Property="TranslateTransform.Y" Value="{Binding $parent[ProgressBar].TemplateSettings.ContainerAnimationEndPosition}" />
+                        </KeyFrame>
+                        <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:2">
+                            <Setter Property="TranslateTransform.Y" Value="{Binding $parent[ProgressBar].TemplateSettings.ContainerAnimationEndPosition}" />
+                        </KeyFrame>
+                    </Animation>
+                </Style.Animations>
+            </Style>
+            <Style Selector="^:vertical /template/ Border#IndeterminateProgressBarIndicator2">
+                <Style.Animations>
+                    <Animation IterationCount="Infinite" Duration="0:0:2">
+                        <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:0">
+                            <Setter Property="TranslateTransform.Y" Value="{Binding $parent[ProgressBar].TemplateSettings.Container2AnimationStartPosition}" />
+                        </KeyFrame>
+                        <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:0.75">
+                            <Setter Property="TranslateTransform.Y" Value="{Binding $parent[ProgressBar].TemplateSettings.Container2AnimationStartPosition}" />
+                        </KeyFrame>
+                        <KeyFrame KeySpline="0.4,0,0.6,1" KeyTime="0:0:2">
+                            <Setter Property="TranslateTransform.Y" Value="{Binding $parent[ProgressBar].TemplateSettings.Container2AnimationEndPosition}" />
+                        </KeyFrame>
+                    </Animation>
+                </Style.Animations>
             </Style>
         </Style>
     </ControlTheme>
 
-    <semiConverters:PositionToAngleConverter x:Key="AngleConverter" />
-
     <ControlTheme x:Key="ProgressRing" TargetType="ProgressBar">
         <Setter Property="Foreground" Value="{DynamicResource ProgressBarIndicatorBrush}" />
         <Setter Property="Background" Value="{DynamicResource ProgressBarBackground}" />
@@ -365,8 +336,7 @@
                         StrokeJoin="Round"
                         StrokeLineCap="Round"
                         StrokeThickness="{Binding BorderThickness.Left, RelativeSource={RelativeSource TemplatedParent}}"
-                        SweepAngle="{TemplateBinding Percentage,
-                                                     Converter={StaticResource AngleConverter}}" />
+                        SweepAngle="{TemplateBinding Percentage,Converter={semi:PositionToAngleConverter}}" />
                     <Arc
                         Name="IndeterminateIndicator"
                         Opacity="0"
@@ -376,8 +346,7 @@
                         StrokeJoin="Round"
                         StrokeLineCap="Round"
                         StrokeThickness="{Binding BorderThickness.Left, RelativeSource={RelativeSource TemplatedParent}}"
-                        SweepAngle="{TemplateBinding Percentage,
-                                                     Converter={StaticResource AngleConverter}}" />
+                        SweepAngle="{TemplateBinding Percentage,Converter={semi:PositionToAngleConverter}}" />
                     <TextBlock
                         Name="PART_ProgressText"
                         HorizontalAlignment="Center"
@@ -443,4 +412,4 @@
             </Style.Animations>
         </Style>
     </ControlTheme>
-</ResourceDictionary>
+</ResourceDictionary>

src/Semi.Avalonia/Controls/ScrollViewer.axaml

@@ -1,7 +1,6 @@
 <ResourceDictionary
     xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:converters="using:Avalonia.Controls.Converters">
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <Design.PreviewWith>
         <StackPanel>
             <ScrollBar Width="200" Orientation="Horizontal" />

src/Semi.Avalonia/Controls/Slider.axaml

@@ -92,11 +92,12 @@
                                 VerticalAlignment="Bottom"
                                 Fill="{DynamicResource SliderTickForeground}"
                                 IsVisible="False"
-                                Maximum="{TemplateBinding Slider.Maximum}"
-                                Minimum="{TemplateBinding Slider.Minimum}"
-                                Orientation="{TemplateBinding Slider.Orientation}"
+                                Maximum="{TemplateBinding Maximum}"
+                                Minimum="{TemplateBinding Minimum}"
+                                Orientation="{TemplateBinding Orientation}"
                                 Placement="Top"
-                                TickFrequency="{TemplateBinding Slider.TickFrequency}"
+                                IsDirectionReversed="{TemplateBinding IsDirectionReversed}"
+                                TickFrequency="{TemplateBinding TickFrequency}"
                                 Ticks="{TemplateBinding Ticks}" />
                             <TickBar
                                 Name="BottomTickBar"
@@ -106,11 +107,12 @@
                                 VerticalAlignment="Top"
                                 Fill="{DynamicResource SliderTickForeground}"
                                 IsVisible="False"
-                                Maximum="{TemplateBinding Slider.Maximum}"
-                                Minimum="{TemplateBinding Slider.Minimum}"
-                                Orientation="{TemplateBinding Slider.Orientation}"
+                                Maximum="{TemplateBinding Maximum}"
+                                Minimum="{TemplateBinding Minimum}"
+                                Orientation="{TemplateBinding Orientation}"
                                 Placement="Bottom"
-                                TickFrequency="{TemplateBinding Slider.TickFrequency}"
+                                IsDirectionReversed="{TemplateBinding IsDirectionReversed}"
+                                TickFrequency="{TemplateBinding TickFrequency}"
                                 Ticks="{TemplateBinding Ticks}" />
                             <Track
                                 Name="PART_Track"
@@ -169,11 +171,12 @@
                                 HorizontalAlignment="Right"
                                 Fill="{DynamicResource SliderTickForeground}"
                                 IsVisible="False"
-                                Maximum="{TemplateBinding Slider.Maximum}"
-                                Minimum="{TemplateBinding Slider.Minimum}"
-                                Orientation="{TemplateBinding Slider.Orientation}"
+                                Maximum="{TemplateBinding Maximum}"
+                                Minimum="{TemplateBinding Minimum}"
+                                Orientation="{TemplateBinding Orientation}"
                                 Placement="Left"
-                                TickFrequency="{TemplateBinding Slider.TickFrequency}"
+                                IsDirectionReversed="{TemplateBinding IsDirectionReversed}"
+                                TickFrequency="{TemplateBinding TickFrequency}"
                                 Ticks="{TemplateBinding Ticks}" />
                             <TickBar
                                 Name="RightTickBar"
@@ -183,11 +186,12 @@
                                 HorizontalAlignment="Left"
                                 Fill="{DynamicResource SliderTickForeground}"
                                 IsVisible="False"
-                                Maximum="{TemplateBinding Slider.Maximum}"
-                                Minimum="{TemplateBinding Slider.Minimum}"
-                                Orientation="{TemplateBinding Slider.Orientation}"
+                                Maximum="{TemplateBinding Maximum}"
+                                Minimum="{TemplateBinding Minimum}"
+                                Orientation="{TemplateBinding Orientation}"
                                 Placement="Right"
-                                TickFrequency="{TemplateBinding Slider.TickFrequency}"
+                                IsDirectionReversed="{TemplateBinding IsDirectionReversed}"
+                                TickFrequency="{TemplateBinding TickFrequency}"
                                 Ticks="{TemplateBinding Ticks}" />
                             <Track
                                 Name="PART_Track"

src/Semi.Avalonia/Controls/SplitButton.axaml

@@ -1,10 +1,13 @@
 <ResourceDictionary
     xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:iri="https://irihi.tech/shared">
     <Design.PreviewWith>
         <StackPanel Width="500" Height="500" Margin="20" Spacing="8">
             <SplitButton
-                Theme="{DynamicResource SolidSplitButton}"
+                Theme="{DynamicResource OutlineSplitButton}"
+                Classes="Danger"
+                CornerRadius="12"
                 Content="Hello" />
             <ToggleSplitButton
                 IsChecked="True"
@@ -73,47 +76,40 @@
         <Setter Property="Cursor" Value="Hand" />
         <Setter Property="Template">
             <ControlTemplate TargetType="SplitButton">
-                <Border
-                    BackgroundSizing="OuterBorderEdge"
-                    ClipToBounds="True"
-                    CornerRadius="{TemplateBinding CornerRadius}">
-                    <DockPanel>
-                        <Button
-                            Name="PART_SecondaryButton"
-                            Padding="4,0"
-                            BorderThickness="{TemplateBinding BorderThickness}"
-                            CornerRadius="0"
-                            DockPanel.Dock="Right"
-                            Theme="{DynamicResource SemiSplitButtonElement}">
-                            <PathIcon
-                                Theme="{DynamicResource InnerPathIcon}"
-                                Data="{DynamicResource SplitButtonIconGlyph}"
-                                Foreground="{Binding $parent[Button].Foreground}" />
-                        </Button>
-                        <Rectangle
-                            Name="SeparatorBorder"
-                            Width="{DynamicResource SplitButtonSeparatorWidth}"
-                            VerticalAlignment="Stretch"
-                            DockPanel.Dock="Right"
-                            Fill="Transparent"
-                            StrokeThickness="0" />
-                        <Button
-                            Name="PART_PrimaryButton"
-                            Padding="{TemplateBinding Padding}"
-                            HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
-                            VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
-                            BorderThickness="{TemplateBinding BorderThickness}"
-                            Command="{TemplateBinding Command}"
-                            CommandParameter="{TemplateBinding CommandParameter}"
-                            Content="{TemplateBinding Content}"
-                            ContentTemplate="{TemplateBinding ContentTemplate}"
-                            CornerRadius="0"
-                            FontFamily="{TemplateBinding FontFamily}"
-                            FontSize="{TemplateBinding FontSize}"
-                            FontWeight="{TemplateBinding FontWeight}"
-                            Theme="{DynamicResource SemiSplitButtonElement}" />
-                    </DockPanel>
-                </Border>
+                <Grid 
+                    ColumnDefinitions="*,Auto"
+                    ColumnSpacing="{DynamicResource SplitButtonSeparatorWidth}">
+                    <Button
+                        Name="PART_PrimaryButton"
+                        Grid.Column="0"
+                        Padding="{TemplateBinding Padding}"
+                        HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                        VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
+                        BorderThickness="{TemplateBinding BorderThickness}"
+                        Command="{TemplateBinding Command}"
+                        CommandParameter="{TemplateBinding CommandParameter}"
+                        Content="{TemplateBinding Content}"
+                        ContentTemplate="{TemplateBinding ContentTemplate}"
+                        CornerRadius="{TemplateBinding CornerRadius, Converter={iri:CornerRadiusMixerConverter Left}}"
+                        FontFamily="{TemplateBinding FontFamily}"
+                        FontSize="{TemplateBinding FontSize}"
+                        FontWeight="{TemplateBinding FontWeight}"
+                        Theme="{DynamicResource SemiSplitButtonElement}" />
+                    <Button
+                        Name="PART_SecondaryButton"
+                        Grid.Column="1"
+                        Padding="0"
+                        MinHeight="{TemplateBinding MinHeight}"
+                        MinWidth="{Binding $self.MinHeight}"
+                        BorderThickness="{TemplateBinding BorderThickness}"
+                        CornerRadius="{TemplateBinding CornerRadius, Converter={iri:CornerRadiusMixerConverter Right}}"
+                        Theme="{DynamicResource SemiSplitButtonElement}">
+                        <PathIcon
+                            Theme="{DynamicResource InnerPathIcon}"
+                            Data="{DynamicResource SplitButtonIconGlyph}"
+                            Foreground="{Binding $parent[Button].Foreground}" />
+                    </Button>
+                </Grid>
             </ControlTemplate>
         </Setter>
 

src/Semi.Avalonia/Controls/SplitView.axaml

@@ -1,4 +1,7 @@
-<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+<ResourceDictionary 
+    xmlns="https://github.com/avaloniaui" 
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    x:CompileBindings="True">
     <ControlTheme x:Key="{x:Type SplitView}" TargetType="SplitView">
         <Setter Property="OpenPaneLength" Value="{DynamicResource SplitViewOpenPaneThemeLength}" />
         <Setter Property="CompactPaneLength" Value="{DynamicResource SplitViewCompactPaneThemeLength}" />
@@ -49,7 +52,7 @@
             <Style Selector="^:overlay">
                 <Style Selector="^ /template/ Panel#PART_PaneRoot">
                     <Setter Property="Width" Value="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=TemplateSettings.ClosedPaneWidth}" />
-                    <Setter Property="Grid.ColumnSpan" Value="1" />
+                    <Setter Property="Grid.ColumnSpan" Value="2" />
                     <Setter Property="Grid.Column" Value="0" />
                 </Style>
                 <Style Selector="^ /template/ Panel#ContentRoot">
@@ -72,8 +75,7 @@
 
             <Style Selector="^:compactoverlay">
                 <Style Selector="^ /template/ Panel#PART_PaneRoot">
-                    <!--  ColumnSpan should be 2  -->
-                    <Setter Property="Grid.ColumnSpan" Value="1" />
+                    <Setter Property="Grid.ColumnSpan" Value="2" />
                     <Setter Property="Grid.Column" Value="0" />
                     <Setter Property="Width" Value="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=TemplateSettings.ClosedPaneWidth}" />
                 </Style>

src/Semi.Avalonia/Controls/TabControl.axaml

@@ -36,13 +36,19 @@
                                 ItemsPanel="{TemplateBinding ItemsPanel}" />
                             <Border Name="PART_BorderSeparator" />
                         </Panel>
-                        <ContentPresenter
-                            Name="PART_SelectedContentHost"
-                            Margin="{TemplateBinding Padding}"
-                            HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
-                            VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
-                            Content="{TemplateBinding SelectedContent}"
-                            ContentTemplate="{TemplateBinding SelectedContentTemplate}" />
+                        <Panel ClipToBounds="True">
+                            <ContentPresenter
+                                Name="PART_SelectedContentHost2"
+                                Margin="{TemplateBinding Padding}"
+                                HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                                VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
+                                IsVisible="False" />
+                            <ContentPresenter
+                                Name="PART_SelectedContentHost"
+                                Margin="{TemplateBinding Padding}"
+                                HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                                VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" />
+                        </Panel>
                     </DockPanel>
                 </Border>
             </ControlTemplate>
@@ -149,13 +155,19 @@
                                 Name="PART_ItemsPresenter"
                                 ItemsPanel="{TemplateBinding ItemsPanel}" />
                         </Panel>
-                        <ContentPresenter
-                            Name="PART_SelectedContentHost"
-                            Margin="{TemplateBinding Padding}"
-                            HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
-                            VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
-                            Content="{TemplateBinding SelectedContent}"
-                            ContentTemplate="{TemplateBinding SelectedContentTemplate}" />
+                        <Panel ClipToBounds="True">
+                            <ContentPresenter
+                                Name="PART_SelectedContentHost2"
+                                Margin="{TemplateBinding Padding}"
+                                HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                                VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
+                                IsVisible="False" />
+                            <ContentPresenter
+                                Name="PART_SelectedContentHost"
+                                Margin="{TemplateBinding Padding}"
+                                HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                                VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" />
+                        </Panel>
                     </DockPanel>
                 </Border>
             </ControlTemplate>
@@ -200,13 +212,19 @@
                             </ScrollViewer>
                             <Border Name="PART_BorderSeparator" />
                         </Panel>
-                        <ContentPresenter
-                            Name="PART_SelectedContentHost"
-                            Margin="{TemplateBinding Padding}"
-                            HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
-                            VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
-                            Content="{TemplateBinding SelectedContent}"
-                            ContentTemplate="{TemplateBinding SelectedContentTemplate}" />
+                        <Panel ClipToBounds="True">
+                            <ContentPresenter
+                                Name="PART_SelectedContentHost2"
+                                Margin="{TemplateBinding Padding}"
+                                HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                                VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
+                                IsVisible="False" />
+                            <ContentPresenter
+                                Name="PART_SelectedContentHost"
+                                Margin="{TemplateBinding Padding}"
+                                HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                                VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" />
+                        </Panel>
                     </DockPanel>
                 </Border>
             </ControlTemplate>
@@ -335,13 +353,19 @@
                                     ItemsPanel="{TemplateBinding ItemsPanel}" />
                             </ScrollViewer>
                         </Panel>
-                        <ContentPresenter
-                            Name="PART_SelectedContentHost"
-                            Margin="{TemplateBinding Padding}"
-                            HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
-                            VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
-                            Content="{TemplateBinding SelectedContent}"
-                            ContentTemplate="{TemplateBinding SelectedContentTemplate}" />
+                        <Panel ClipToBounds="True">
+                            <ContentPresenter
+                                Name="PART_SelectedContentHost2"
+                                Margin="{TemplateBinding Padding}"
+                                HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                                VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
+                                IsVisible="False" />
+                            <ContentPresenter
+                                Name="PART_SelectedContentHost"
+                                Margin="{TemplateBinding Padding}"
+                                HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                                VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" />
+                        </Panel>
                     </DockPanel>
                 </Border>
             </ControlTemplate>

src/Semi.Avalonia/Controls/TabItem.axaml

@@ -6,16 +6,12 @@
             Width="400"
             Height="400"
             Margin="20">
+            <TabItem Theme="{DynamicResource CardTabItem}" Header="文档" Icon="{StaticResource SemiIconFile}" />
             <TabControl TabStripPlacement="Top" Theme="{DynamicResource LineTabControl}">
-                <TabItem Header="文档">
-                    <TextBlock Text="Content1" />
-                </TabItem>
-                <TabItem Header="快速起步">
-                    <TextBlock Text="Content2" />
-                </TabItem>
-                <TabItem Header="帮助" IsSelected="True">
-                    <TextBlock Text="Content3" />
-                </TabItem>
+                <TabItem Content="Hello 1" Header="文档" Icon="{StaticResource SemiIconFile}" />
+                <TabItem Content="Hello 2" Header="快速起步" Icon="{StaticResource SemiIconGlobe}" />
+                <TabItem Content="Hello 4" Header="无效" Icon="{StaticResource SemiIconClear}" IsEnabled="False" />
+                <TabItem Content="Hello 3" Header="帮助" Icon="{StaticResource SemiIconHelpCircle}" />
             </TabControl>
         </StackPanel>
     </Design.PreviewWith>
@@ -25,20 +21,39 @@
         <Setter Property="Background" Value="{DynamicResource TabItemLinePipeBackground}" />
         <Setter Property="Template">
             <ControlTemplate TargetType="TabItem">
-                <ContentPresenter
-                    Name="PART_HeaderPresenter"
+                <Border
+                    Name="PART_RootBorder"
                     Padding="{TemplateBinding Padding}"
-                    HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
-                    VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
                     Background="{TemplateBinding Background}"
                     BorderBrush="{TemplateBinding BorderBrush}"
                     BorderThickness="{TemplateBinding BorderThickness}"
-                    Content="{TemplateBinding Header}"
-                    ContentTemplate="{TemplateBinding HeaderTemplate}"
-                    CornerRadius="{TemplateBinding CornerRadius}"
-                    FontFamily="{TemplateBinding FontFamily}"
-                    FontWeight="{TemplateBinding FontWeight}"
-                    Foreground="{TemplateBinding Foreground}" />
+                    CornerRadius="{TemplateBinding CornerRadius}">
+                    <DockPanel HorizontalSpacing="{DynamicResource TabItemIconHeaderSpacing}">
+                        <ContentPresenter
+                            Name="PART_IconPresenter"
+                            DockPanel.Dock="Left"
+                            Content="{TemplateBinding Icon}"
+                            ContentTemplate="{TemplateBinding IconTemplate}"
+                            IsVisible="{Binding $self.Content, Converter={x:Static ObjectConverters.IsNotNull}}">
+                            <ContentPresenter.DataTemplates>
+                                <DataTemplate DataType="Geometry">
+                                    <PathIcon
+                                        Theme="{StaticResource InnerPathIcon}"
+                                        Data="{Binding}" />
+                                </DataTemplate>
+                            </ContentPresenter.DataTemplates>
+                        </ContentPresenter>
+                        <ContentPresenter
+                            Name="PART_HeaderPresenter"
+                            HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                            VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
+                            Content="{TemplateBinding Header}"
+                            ContentTemplate="{TemplateBinding HeaderTemplate}"
+                            FontFamily="{TemplateBinding FontFamily}"
+                            FontWeight="{TemplateBinding FontWeight}"
+                            Foreground="{TemplateBinding Foreground}" />
+                    </DockPanel>
+                </Border>
             </ControlTemplate>
         </Setter>
 
@@ -46,17 +61,31 @@
             <Setter Property="RecognizesAccessKey" Value="True" />
         </Style>
 
-        <Style Selector="^:selected /template/ ContentPresenter#PART_HeaderPresenter">
-            <Setter Property="FontWeight" Value="{DynamicResource TabItemSelectedFontWeight}" />
-            <Setter Property="Foreground" Value="{DynamicResource TabItemLineHeaderSelectedForeground}" />
+        <Style Selector="^:selected">
+            <Style Selector="^ /template/ ContentPresenter#PART_HeaderPresenter">
+                <Setter Property="FontWeight" Value="{DynamicResource TabItemSelectedFontWeight}" />
+                <Setter Property="Foreground" Value="{DynamicResource TabItemLineHeaderSelectedForeground}" />
+            </Style>
+            <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="Foreground" Value="{DynamicResource TabItemIconSelectedForeground}" />
+            </Style>
         </Style>
 
         <Style Selector="^:not(:selected)">
             <Setter Property="Cursor" Value="Hand" />
-            <Style Selector="^:pointerover /template/ ContentPresenter#PART_HeaderPresenter">
-                <Setter Property="Foreground" Value="{DynamicResource TabItemLineHeaderPointeroverForeground}" />
+            <Style Selector="^:pointerover">
+                <Style Selector="^ /template/ ContentPresenter#PART_HeaderPresenter,^ /template/ ContentPresenter#PART_IconPresenter">
+                    <Setter Property="Foreground" Value="{DynamicResource TabItemLineHeaderPointeroverForeground}" />
+                </Style>
             </Style>
         </Style>
+
+        <Style Selector="^:disabled">
+            <Style Selector="^ /template/ ContentPresenter#PART_HeaderPresenter,^ /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="Foreground" Value="{DynamicResource TabItemHeaderDisabledForeground}" />
+            </Style>
+        </Style>
+
     </ControlTheme>
 
     <ControlTheme
@@ -65,15 +94,15 @@
         TargetType="TabItem">
         <Setter Property="Padding" Value="8 4" />
 
-        <Style Selector="^:selected /template/ ContentPresenter#PART_HeaderPresenter">
+        <Style Selector="^:selected /template/ Border#PART_RootBorder">
             <Setter Property="BorderBrush" Value="{DynamicResource TabItemLinePipeSelectedBackground}" />
         </Style>
 
         <Style Selector="^:not(:selected)">
-            <Style Selector="^:pointerover /template/ ContentPresenter#PART_HeaderPresenter">
+            <Style Selector="^:pointerover /template/ Border#PART_RootBorder">
                 <Setter Property="BorderBrush" Value="{DynamicResource TabItemLinePipePointeroverBorderBrush}" />
             </Style>
-            <Style Selector="^:pressed /template/ ContentPresenter#PART_HeaderPresenter">
+            <Style Selector="^:pressed /template/ Border#PART_RootBorder">
                 <Setter Property="BorderBrush" Value="{DynamicResource TabItemLinePipePressedBorderBrush}" />
             </Style>
         </Style>
@@ -98,27 +127,27 @@
         x:Key="LineTabItem"
         BasedOn="{StaticResource BaseTabItem}"
         TargetType="TabItem">
-        <Style Selector="^:selected /template/ ContentPresenter#PART_HeaderPresenter">
+        <Style Selector="^:selected /template/ Border#PART_RootBorder">
             <Setter Property="BorderBrush" Value="{DynamicResource TabItemLinePipeSelectedBackground}" />
         </Style>
         <Style Selector="^[TabStripPlacement=Left], ^[TabStripPlacement=Right]">
-            <Style Selector="^:selected /template/ ContentPresenter#PART_HeaderPresenter">
+            <Style Selector="^:selected /template/ Border#PART_RootBorder">
                 <Setter Property="Background" Value="{DynamicResource TabItemLineHeaderSelectedBackground}" />
             </Style>
         </Style>
 
         <Style Selector="^:not(:selected)">
-            <Style Selector="^:pointerover /template/ ContentPresenter#PART_HeaderPresenter">
+            <Style Selector="^:pointerover /template/ Border#PART_RootBorder">
                 <Setter Property="BorderBrush" Value="{DynamicResource TabItemLinePipePointeroverBorderBrush}" />
             </Style>
-            <Style Selector="^:pressed /template/ ContentPresenter#PART_HeaderPresenter">
+            <Style Selector="^:pressed /template/ Border#PART_RootBorder">
                 <Setter Property="BorderBrush" Value="{DynamicResource TabItemLinePipePressedBorderBrush}" />
             </Style>
             <Style Selector="^[TabStripPlacement=Left], ^[TabStripPlacement=Right]">
-                <Style Selector="^:pointerover /template/ ContentPresenter#PART_HeaderPresenter">
+                <Style Selector="^:pointerover /template/ Border#PART_RootBorder">
                     <Setter Property="Background" Value="{DynamicResource TabItemLineHeaderPointeroverBackground}" />
                 </Style>
-                <Style Selector="^:pressed /template/ ContentPresenter#PART_HeaderPresenter">
+                <Style Selector="^:pressed /template/ Border#PART_RootBorder">
                     <Setter Property="Background" Value="{DynamicResource TabItemLineHeaderPressedBackground}" />
                 </Style>
             </Style>
@@ -150,15 +179,15 @@
         TargetType="TabItem">
         <Setter Property="BorderBrush" Value="{DynamicResource TabControlSeparatorBorderBrush}" />
 
-        <Style Selector="^:selected /template/ ContentPresenter#PART_HeaderPresenter">
+        <Style Selector="^:selected /template/ Border#PART_RootBorder">
             <Setter Property="Background" Value="{DynamicResource TabItemCardHeaderSelectedBackground}" />
         </Style>
 
         <Style Selector="^:not(:selected)">
-            <Style Selector="^:pointerover /template/ ContentPresenter#PART_HeaderPresenter">
+            <Style Selector="^:pointerover /template/ Border#PART_RootBorder">
                 <Setter Property="Background" Value="{DynamicResource TabItemCardHeaderPointeroverBackground}" />
             </Style>
-            <Style Selector="^:pressed /template/ ContentPresenter#PART_HeaderPresenter">
+            <Style Selector="^:pressed /template/ Border#PART_RootBorder">
                 <Setter Property="Background" Value="{DynamicResource TabItemCardHeaderPressedBackground}" />
             </Style>
         </Style>
@@ -207,16 +236,20 @@
         TargetType="TabItem">
         <Setter Property="CornerRadius" Value="{DynamicResource SemiBorderRadiusSmall}" />
 
-        <Style Selector="^:selected /template/ ContentPresenter#PART_HeaderPresenter">
-            <Setter Property="Foreground" Value="{DynamicResource TabItemButtonHeaderSelectedForeground}" />
-            <Setter Property="Background" Value="{DynamicResource TabItemButtonHeaderSelectedBackground}" />
+        <Style Selector="^:selected">
+            <Style Selector="^ /template/ Border#PART_RootBorder">
+                <Setter Property="Background" Value="{DynamicResource TabItemButtonHeaderSelectedBackground}" />
+            </Style>
+            <Style Selector="^ /template/ ContentPresenter#PART_HeaderPresenter">
+                <Setter Property="Foreground" Value="{DynamicResource TabItemButtonHeaderSelectedForeground}" />
+            </Style>
         </Style>
 
         <Style Selector="^:not(:selected)">
-            <Style Selector="^:pointerover /template/ ContentPresenter#PART_HeaderPresenter">
+            <Style Selector="^:pointerover /template/ Border#PART_RootBorder">
                 <Setter Property="Background" Value="{DynamicResource TabItemButtonHeaderPointeroverBackground}" />
             </Style>
-            <Style Selector="^:pressed /template/ ContentPresenter#PART_HeaderPresenter">
+            <Style Selector="^:pressed /template/ Border#PART_RootBorder">
                 <Setter Property="Background" Value="{DynamicResource TabItemButtonHeaderPressedBackground}" />
             </Style>
         </Style>

src/Semi.Avalonia/Controls/TabbedPage.axaml

@@ -0,0 +1,41 @@
+<ResourceDictionary
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <Design.PreviewWith>
+        <TabbedPage Width="400" Height="300" />
+    </Design.PreviewWith>
+
+    <ControlTheme x:Key="{x:Type TabbedPage}" TargetType="TabbedPage">
+        <Setter Property="Template">
+            <ControlTemplate TargetType="TabbedPage">
+                <TabControl
+                    Name="PART_TabControl"
+                    Background="{TemplateBinding Background}"
+                    Theme="{StaticResource LineTabControl}"
+                    ItemsSource="{TemplateBinding Pages}" />
+            </ControlTemplate>
+        </Setter>
+    </ControlTheme>
+    <ControlTheme x:Key="CardTabbedPage" TargetType="TabbedPage">
+        <Setter Property="Template">
+            <ControlTemplate TargetType="TabbedPage">
+                <TabControl
+                    Name="PART_TabControl"
+                    Background="{TemplateBinding Background}"
+                    Theme="{StaticResource CardTabControl}"
+                    ItemsSource="{TemplateBinding Pages}" />
+            </ControlTemplate>
+        </Setter>
+    </ControlTheme>
+    <ControlTheme x:Key="ButtonTabbedPage" TargetType="TabbedPage">
+        <Setter Property="Template">
+            <ControlTemplate TargetType="TabbedPage">
+                <TabControl
+                    Name="PART_TabControl"
+                    Background="{TemplateBinding Background}"
+                    Theme="{StaticResource ButtonTabControl}"
+                    ItemsSource="{TemplateBinding Pages}" />
+            </ControlTemplate>
+        </Setter>
+    </ControlTheme>
+</ResourceDictionary>

src/Semi.Avalonia/Controls/TextBox.axaml

@@ -22,8 +22,30 @@
             IsEnabled="{Binding $parent[TextBox].CanPaste}" />
     </MenuFlyout>
 
+    <MenuFlyout
+        x:Key="HorizontalTextBoxContextFlyout"
+        ShowMode="{OnFormFactor Desktop=Standard, Mobile=Transient}"
+        FlyoutPresenterTheme="{StaticResource HorizontalMenuFlyoutPresenter}"
+        ItemContainerTheme="{StaticResource TopLevelMenuItem}">
+        <MenuItem
+            Command="{Binding $parent[TextBox].Cut}"
+            Header="{DynamicResource STRING_MENU_CUT}"
+            IsEnabled="{Binding $parent[TextBox].CanCut}"
+            IsVisible="{Binding $parent[TextBox].CanCut}" />
+        <MenuItem
+            Command="{Binding $parent[TextBox].Copy}"
+            Header="{DynamicResource STRING_MENU_COPY}"
+            IsEnabled="{Binding $parent[TextBox].CanCopy}"
+            IsVisible="{Binding $parent[TextBox].CanCopy}" />
+        <MenuItem
+            Command="{Binding $parent[TextBox].Paste}"
+            Header="{DynamicResource STRING_MENU_PASTE}"
+            IsEnabled="{Binding $parent[TextBox].CanPaste}" />
+    </MenuFlyout>
+
     <ControlTheme x:Key="{x:Type TextBox}" TargetType="TextBox">
         <Setter Property="Foreground" Value="{DynamicResource TextBoxForeground}" />
+        <Setter Property="PlaceholderForeground" Value="{DynamicResource TextBoxPlaceholderForeground}" />
         <Setter Property="Background" Value="{DynamicResource TextBoxDefaultBackground}" />
         <Setter Property="BorderBrush" Value="{DynamicResource TextBoxDefaultBorderBrush}" />
         <Setter Property="SelectionBrush" Value="{DynamicResource TextBoxSelectionBackground}" />
@@ -66,11 +88,11 @@
                                 VerticalScrollBarVisibility="{TemplateBinding (ScrollViewer.VerticalScrollBarVisibility)}">
                                 <Panel>
                                     <TextBlock
-                                        Name="PART_Watermark"
+                                        Name="PART_Placeholder"
                                         HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                         VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
-                                        Opacity="0.5"
-                                        Text="{TemplateBinding Watermark}"
+                                        Foreground="{TemplateBinding PlaceholderForeground}"
+                                        Text="{TemplateBinding PlaceholderText}"
                                         TextAlignment="{TemplateBinding TextAlignment}"
                                         TextWrapping="{TemplateBinding TextWrapping}">
                                         <TextBlock.IsVisible>
@@ -132,6 +154,10 @@
             </ControlTemplate>
         </Setter>
 
+        <Style Selector="^:touch-mode">
+            <Setter Property="ContextFlyout" Value="{StaticResource HorizontalTextBoxContextFlyout}" />
+        </Style>
+
         <Style Selector="^:pointerover /template/ Border#PART_ContentPresenterBorder">
             <Setter Property="Background" Value="{DynamicResource TextBoxPointeroverBackground}" />
             <Setter Property="BorderBrush" Value="{DynamicResource TextBoxPointeroverBorderBrush}" />
@@ -257,6 +283,7 @@
 
     <ControlTheme x:Key="NonErrorTextBox" TargetType="TextBox">
         <Setter Property="Foreground" Value="{DynamicResource TextBoxForeground}" />
+        <Setter Property="PlaceholderForeground" Value="{DynamicResource TextBoxPlaceholderForeground}" />
         <Setter Property="Background" Value="{DynamicResource TextBoxDefaultBackground}" />
         <Setter Property="BorderBrush" Value="{DynamicResource TextBoxDefaultBorderBrush}" />
         <Setter Property="SelectionBrush" Value="{DynamicResource TextBoxSelectionBackground}" />
@@ -299,11 +326,11 @@
                                 VerticalScrollBarVisibility="{TemplateBinding (ScrollViewer.VerticalScrollBarVisibility)}">
                                 <Panel>
                                     <TextBlock
-                                        Name="PART_Watermark"
+                                        Name="PART_Placeholder"
                                         HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                         VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
-                                        Opacity="0.5"
-                                        Text="{TemplateBinding Watermark}"
+                                        Foreground="{TemplateBinding PlaceholderForeground}"
+                                        Text="{TemplateBinding PlaceholderText}"
                                         TextAlignment="{TemplateBinding TextAlignment}"
                                         TextWrapping="{TemplateBinding TextWrapping}">
                                         <TextBlock.IsVisible>
@@ -365,6 +392,10 @@
             </ControlTemplate>
         </Setter>
 
+        <Style Selector="^:touch-mode">
+            <Setter Property="ContextFlyout" Value="{StaticResource HorizontalTextBoxContextFlyout}" />
+        </Style>
+
         <Style Selector="^:pointerover /template/ Border#PART_ContentPresenterBorder">
             <Setter Property="Background" Value="{DynamicResource TextBoxPointeroverBackground}" />
             <Setter Property="BorderBrush" Value="{DynamicResource TextBoxPointeroverBorderBrush}" />
@@ -490,6 +521,7 @@
 
     <ControlTheme x:Key="LooklessTextBox" TargetType="TextBox">
         <Setter Property="Foreground" Value="{DynamicResource TextBoxForeground}" />
+        <Setter Property="PlaceholderForeground" Value="{DynamicResource TextBoxPlaceholderForeground}" />
         <Setter Property="SelectionBrush" Value="{DynamicResource TextBoxSelectionBackground}" />
         <Setter Property="SelectionForegroundBrush" Value="{DynamicResource TextBoxSelectionForeground}" />
         <Setter Property="CaretBrush" Value="{DynamicResource TextBoxTextCaretBrush}" />
@@ -519,11 +551,11 @@
                             VerticalScrollBarVisibility="{TemplateBinding (ScrollViewer.VerticalScrollBarVisibility)}">
                             <Panel>
                                 <TextBlock
-                                    Name="PART_Watermark"
+                                    Name="PART_Placeholder"
                                     HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                     VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
-                                    Opacity="0.5"
-                                    Text="{TemplateBinding Watermark}"
+                                    Foreground="{TemplateBinding PlaceholderForeground}"
+                                    Text="{TemplateBinding PlaceholderText}"
                                     TextAlignment="{TemplateBinding TextAlignment}"
                                     TextWrapping="{TemplateBinding TextWrapping}">
                                     <TextBlock.IsVisible>
@@ -568,6 +600,10 @@
             </ControlTemplate>
         </Setter>
 
+        <Style Selector="^:touch-mode">
+            <Setter Property="ContextFlyout" Value="{StaticResource HorizontalTextBoxContextFlyout}" />
+        </Style>
+
         <Style Selector="^:disabled">
             <Setter Property="Foreground" Value="{DynamicResource TextBoxDisabledForeground}" />
         </Style>

src/Semi.Avalonia/Controls/TitleBar.axaml

@@ -1,51 +0,0 @@
-<ResourceDictionary
-    xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-    <ControlTheme x:Key="{x:Type TitleBar}" TargetType="TitleBar">
-        <Setter Property="VerticalAlignment" Value="Top" />
-        <Setter Property="HorizontalAlignment" Value="Stretch" />
-        <Setter Property="Background" Value="Transparent" />
-        <Setter Property="Template">
-            <ControlTemplate>
-                <Panel HorizontalAlignment="{TemplateBinding HorizontalAlignment}" VerticalAlignment="Stretch">
-                    <Panel
-                        Name="PART_MouseTracker"
-                        Height="1"
-                        VerticalAlignment="Top" />
-                    <Panel Name="PART_Container">
-                        <Border
-                            Name="PART_Background"
-                            Background="{TemplateBinding Background}"
-                            IsHitTestVisible="False" />
-                        <CaptionButtons
-                            Name="PART_CaptionButtons"
-                            HorizontalAlignment="Right"
-                            VerticalAlignment="Top"
-                            Foreground="{TemplateBinding Foreground}" />
-                    </Panel>
-                </Panel>
-            </ControlTemplate>
-        </Setter>
-
-        <Style Selector="^:fullscreen /template/ Border#PART_Background">
-            <Setter Property="IsHitTestVisible" Value="True" />
-        </Style>
-
-        <Style Selector="^:fullscreen /template/ Panel#PART_MouseTracker">
-            <Setter Property="Background" Value="Transparent" />
-        </Style>
-
-        <Style Selector="^:fullscreen /template/ Panel#PART_Container">
-            <Setter Property="RenderTransform" Value="translateY(-50px)" />
-            <Setter Property="Transitions">
-                <Transitions>
-                    <TransformOperationsTransition Property="RenderTransform" Duration="0:0:0.1" />
-                </Transitions>
-            </Setter>
-        </Style>
-
-        <Style Selector="^:fullscreen:pointerover /template/ Panel#PART_Container">
-            <Setter Property="RenderTransform" Value="none" />
-        </Style>
-    </ControlTheme>
-</ResourceDictionary>

src/Semi.Avalonia/Controls/TreeView.axaml

@@ -1,7 +1,7 @@
 <ResourceDictionary
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:converters="clr-namespace:Semi.Avalonia.Converters">
+    xmlns:converters="using:Avalonia.Controls.Converters">
 
     <Design.PreviewWith>
         <StackPanel

src/Semi.Avalonia/Controls/Window.axaml

@@ -14,10 +14,7 @@
                     <Border Name="PART_TransparencyFallback" IsHitTestVisible="False" />
                     <Border Background="{TemplateBinding Background}" IsHitTestVisible="False" />
                     <Panel Margin="{TemplateBinding WindowDecorationMargin}" Background="Transparent" />
-                    <VisualLayerManager>
-                        <VisualLayerManager.ChromeOverlayLayer>
-                            <TitleBar />
-                        </VisualLayerManager.ChromeOverlayLayer>
+                    <VisualLayerManager Name="PART_VisualLayerManager">
                         <ContentPresenter
                             Name="PART_ContentPresenter"
                             Margin="{TemplateBinding Padding}"

src/Semi.Avalonia/Controls/WindowDrawnDecorations.axaml

@@ -0,0 +1,217 @@
+<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+
+    <ControlTheme x:Key="CaptionButton" TargetType="Button">
+        <Setter Property="Foreground" Value="{DynamicResource CaptionButtonForeground}" />
+        <Setter Property="Background" Value="Transparent" />
+        <Setter Property="CornerRadius" Value="{StaticResource CaptionButtonCornerRadius}" />
+        <Setter Property="Padding" Value="{StaticResource CaptionButtonPadding}" />
+        <Setter Property="Width" Value="{StaticResource CaptionButtonWidth}" />
+        <Setter Property="Height" Value="{StaticResource CaptionButtonHeight}" />
+        <Setter Property="WindowDecorationProperties.ElementRole" Value="DecorationsElement" />
+        <Setter Property="Template">
+            <ControlTemplate TargetType="Button">
+                <ContentPresenter
+                    Name="PART_ContentPresenter"
+                    Padding="{TemplateBinding Padding}"
+                    Background="{TemplateBinding Background}"
+                    BorderBrush="{TemplateBinding BorderBrush}"
+                    BorderThickness="{TemplateBinding BorderThickness}"
+                    Content="{TemplateBinding Content}"
+                    ContentTemplate="{TemplateBinding ContentTemplate}"
+                    CornerRadius="{TemplateBinding CornerRadius}"
+                    Foreground="{TemplateBinding Foreground}">
+                    <ContentPresenter.DataTemplates>
+                        <DataTemplate DataType="Geometry">
+                            <PathIcon
+                                Theme="{StaticResource InnerPathIcon}"
+                                Data="{Binding}" />
+                        </DataTemplate>
+                    </ContentPresenter.DataTemplates>
+                </ContentPresenter>
+            </ControlTemplate>
+        </Setter>
+
+        <Style Selector="^:pointerover">
+            <Setter Property="Background" Value="{DynamicResource CaptionButtonPointeroverBackground}" />
+        </Style>
+
+        <Style Selector="^:pressed">
+            <Setter Property="Background" Value="{DynamicResource CaptionButtonPressedBackground}" />
+        </Style>
+
+        <Style Selector="^:disabled">
+            <Setter Property="Foreground" Value="{DynamicResource CaptionButtonDisabledForeground}" />
+        </Style>
+    </ControlTheme>
+
+    <ControlTheme x:Key="{x:Type WindowDrawnDecorations}" TargetType="WindowDrawnDecorations">
+        <Setter Property="DefaultTitleBarHeight" Value="32" />
+        <Setter Property="DefaultFrameThickness" Value="1" />
+        <Setter Property="DefaultShadowThickness" Value="8" />
+        <Setter Property="Template">
+            <WindowDrawnDecorationsTemplate>
+                <WindowDrawnDecorationsContent>
+                    <WindowDrawnDecorationsContent.Underlay>
+                        <!--  Full-size: covers shadow area + frame + behind client area  -->
+                        <Panel Name="PART_UnderlayWrapper">
+                            <Border
+                                Name="PART_WindowBorder"
+                                Background="{DynamicResource WindowBackground}"
+                                BorderBrush="{DynamicResource WindowBorderBrush}"
+                                BorderThickness="{TemplateBinding FrameThickness}"
+                                IsHitTestVisible="False" />
+                            <!-- Titlebar: background, title text, and drag area live in underlay -->
+                            <Panel Name="PART_TitleBar"
+                                   VerticalAlignment="Top"
+                                   Height="{TemplateBinding TitleBarHeight}"
+                                   Background="{DynamicResource TitleBarBackground}"
+                                   IsVisible="{TemplateBinding HasTitleBar}"
+                                   WindowDecorationProperties.ElementRole="TitleBar" />
+                        </Panel>
+                    </WindowDrawnDecorationsContent.Underlay>
+
+                    <WindowDrawnDecorationsContent.Overlay>
+                        <!--  Positioned over the titlebar area  -->
+                        <Panel Name="PART_OverlayWrapper">
+                            <!--  Title text lives in overlay so it renders above client content  -->
+                            <Panel
+                                Name="PART_TitleTextPanel"
+                                Height="{TemplateBinding TitleBarHeight}"
+                                VerticalAlignment="Top"
+                                IsHitTestVisible="False"
+                                IsVisible="{TemplateBinding HasTitleBar}">
+                                <TextBlock
+                                    Margin="12,0,0,0"
+                                    VerticalAlignment="Center"
+                                    Text="{TemplateBinding Title}" />
+                            </Panel>
+                            <StackPanel
+                                Name="PART_OverlayPanel"
+                                Height="{TemplateBinding TitleBarHeight}"
+                                HorizontalAlignment="Right"
+                                VerticalAlignment="Top"
+                                IsVisible="{TemplateBinding HasTitleBar}"
+                                Orientation="Horizontal">
+                                <Button
+                                    Name="PART_FullScreenButton"
+                                    Theme="{StaticResource CaptionButton}"
+                                    Content="{StaticResource WindowExpandGlyph}"
+                                    WindowDecorationProperties.ElementRole="FullScreenButton" />
+                                <Button
+                                    Name="PART_MinimizeButton"
+                                    Theme="{StaticResource CaptionButton}"
+                                    Content="{StaticResource WindowMinimizeGlyph}"
+                                    WindowDecorationProperties.ElementRole="MinimizeButton" />
+                                <Button
+                                    Name="PART_MaximizeButton"
+                                    Theme="{StaticResource CaptionButton}"
+                                    Content="{StaticResource WindowMaximizeGlyph}"
+                                    WindowDecorationProperties.ElementRole="MaximizeButton" />
+                                <Button
+                                    Name="PART_CloseButton"
+                                    Theme="{StaticResource CaptionButton}"
+                                    Content="{StaticResource WindowCloseIconGlyph}"
+                                    WindowDecorationProperties.ElementRole="CloseButton" />
+                            </StackPanel>
+                        </Panel>
+                    </WindowDrawnDecorationsContent.Overlay>
+
+                    <WindowDrawnDecorationsContent.FullscreenPopover>
+                        <!--  Shown on hover at top edge in fullscreen  -->
+                        <DockPanel
+                            Height="{TemplateBinding DefaultTitleBarHeight}"
+                            Background="{DynamicResource TitleBarBackground}"
+                            VerticalAlignment="Top"
+                            WindowDecorationProperties.ElementRole="TitleBar">
+                            <StackPanel DockPanel.Dock="Right" Orientation="Horizontal">
+                                <Button
+                                    Name="PART_PopoverFullScreenButton"
+                                    Theme="{StaticResource CaptionButton}"
+                                    Content="{StaticResource WindowCollapseGlyph}"
+                                    WindowDecorationProperties.ElementRole="FullScreenButton" />
+                                <Button
+                                    Name="PART_PopoverCloseButton"
+                                    Theme="{StaticResource CaptionButton}"
+                                    Content="{StaticResource WindowCloseIconGlyph}"
+                                    WindowDecorationProperties.ElementRole="CloseButton" />
+                            </StackPanel>
+                            <TextBlock
+                                Margin="12,0,0,0"
+                                VerticalAlignment="Center"
+                                Text="{TemplateBinding Title}" />
+                        </DockPanel>
+                    </WindowDrawnDecorationsContent.FullscreenPopover>
+                </WindowDrawnDecorationsContent>
+            </WindowDrawnDecorationsTemplate>
+        </Setter>
+
+        <Style Selector="^ /template/ Button#PART_CloseButton,^ /template/ Button#PART_PopoverCloseButton">
+            <Style Selector="^:pointerover">
+                <Setter Property="Foreground" Value="{DynamicResource CaptionButtonCloseForeground}" />
+                <Setter Property="Background" Value="{DynamicResource CaptionButtonClosePointeroverBackground}" />
+            </Style>
+            <Style Selector="^:pressed">
+                <Setter Property="Foreground" Value="{DynamicResource CaptionButtonCloseForeground}" />
+                <Setter Property="Background" Value="{DynamicResource CaptionButtonClosePressedBackground}" />
+            </Style>
+        </Style>
+
+        <!--  Shadow: inset border and add drop shadow  -->
+        <Style Selector="^:has-shadow">
+            <Style Selector="^ /template/ Panel#PART_UnderlayWrapper">
+                <Setter Property="Margin" Value="{TemplateBinding ShadowThickness}" />
+            </Style>
+            <Style Selector="^ /template/ Border#PART_WindowBorder">
+                <Setter Property="BoxShadow" Value="{DynamicResource WindowBorderShadow}" />
+            </Style>
+            <Style Selector="^ /template/ Panel#PART_OverlayWrapper">
+                <Setter Property="Margin" Value="{TemplateBinding ShadowThickness}" />
+            </Style>
+        </Style>
+
+        <!-- Maximized: restore button path changes -->
+        <Style Selector="^:maximized /template/ Button#PART_MaximizeButton">
+            <Setter Property="Content" Value="{StaticResource WindowRestoreGlyph}" />
+        </Style>
+
+        <!--  Border: inset titlebar and buttons inside frame  -->
+        <Style Selector="^:has-border">
+            <Style Selector="^ /template/ Panel#PART_TitleTextPanel">
+                <Setter Property="Margin" Value="1,1,1,0" />
+            </Style>
+            <Style Selector="^ /template/ Panel#PART_TitleBar">
+                <Setter Property="Margin" Value="1,1,1,0" />
+            </Style>
+            <Style Selector="^ /template/ StackPanel#PART_OverlayPanel">
+                <Setter Property="Margin" Value="0,1,1,0" />
+            </Style>
+        </Style>
+
+        <!-- Hide caption buttons when the platform does not support the action -->
+        <Style Selector="^:not(:has-minimize) /template/ Button#PART_MinimizeButton">
+            <Setter Property="IsVisible" Value="False"/>
+        </Style>
+        <Style Selector="^:not(:has-maximize) /template/ Button#PART_MaximizeButton">
+            <Setter Property="IsVisible" Value="False"/>
+        </Style>
+        <Style Selector="^:not(:has-fullscreen) /template/ Button#PART_FullScreenButton">
+            <Setter Property="IsVisible" Value="False"/>
+        </Style>
+        <Style Selector="^:not(:has-fullscreen) /template/ Button#PART_PopoverFullScreenButton">
+            <Setter Property="IsVisible" Value="False"/>
+        </Style>
+
+        <!--  Fullscreen: hide overlay and titlebar (popover takes over)  -->
+        <Style Selector="^:fullscreen">
+            <Style Selector="^ /template/ Panel#PART_TitleTextPanel">
+                <Setter Property="IsVisible" Value="False" />
+            </Style>
+            <Style Selector="^ /template/ StackPanel#PART_OverlayPanel">
+                <Setter Property="IsVisible" Value="False" />
+            </Style>
+            <Style Selector="^ /template/ Panel#PART_TitleBar">
+                <Setter Property="IsVisible" Value="False" />
+            </Style>
+        </Style>
+    </ControlTheme>
+</ResourceDictionary>