macOS Traffic Light and Tab Header Vertical Alignment (Browser Theme)

samples/BrowserTabTheme/App.axaml

@@ -36,7 +36,9 @@
     <Style Selector="DocumentControl">
       <Setter Property="HeaderTemplate">
         <DataTemplate DataType="core:IDockable" x:DataType="core:IDockable">
-          <TextBlock Text="{Binding Title}" VerticalAlignment="Center" Padding="2" />
+          <TextBlock Text="{Binding Title}"
+                     VerticalAlignment="Center"
+                     Padding="{DynamicResource DockHeaderContentPadding}" />
         </DataTemplate>
       </Setter>
     </Style>

samples/BrowserTabTheme/MainWindow.axaml

@@ -7,7 +7,7 @@
         Background="{DynamicResource DockSurfaceHeaderBrush}"
         ExtendClientAreaToDecorationsHint="True"
         ExtendClientAreaTitleBarHeightHint="-1"
-        ExtendClientAreaChromeHints="PreferSystemChrome">
+        ExtendClientAreaChromeHints="Default, PreferSystemChrome, OSXThickTitleBar">
   <DockControl Name="DockControl" Margin="6" />
 
 </Window>

src/Dock.Avalonia.Themes.Browser/Styles/BrowserTabAccents.axaml

@@ -1,6 +1,7 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui"
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                     xmlns:sys="clr-namespace:System;assembly=netstandard"
+                    xmlns:platform="clr-namespace:Avalonia.Platform;assembly=Avalonia.Controls"
                     xmlns:core="using:Dock.Model.Core">
   <ResourceDictionary.ThemeDictionaries>
     <ResourceDictionary x:Key="Default">
@@ -113,6 +114,11 @@
   <sys:Double x:Key="DockDocumentTabItemMinHeight">28</sys:Double>
   <sys:Double x:Key="DockToolTabItemMinHeight">0</sys:Double>
   <sys:Double x:Key="DockDocumentTabStripMinHeight">28</sys:Double>
+  <OnPlatform x:Key="DockHostWindowChromeHints"
+              x:TypeArguments="platform:ExtendClientAreaChromeHints"
+              Default="PreferSystemChrome"
+              macOS="Default, PreferSystemChrome, OSXThickTitleBar"
+              Windows="PreferSystemChrome" />
   <OnPlatform x:Key="DockDocumentTabStripLeadingSpacerWidth"
               x:TypeArguments="x:Double"
               Default="12"
@@ -134,7 +140,11 @@
   <sys:Double x:Key="DockChromeGripHeight">5</sys:Double>
   <Thickness x:Key="DockChromeGripMargin">0,0,2,0</Thickness>
   <SolidColorBrush x:Key="DockChromeGripBrush" Color="#00000000" />
-  <Thickness x:Key="DockHeaderContentPadding">2</Thickness>
+  <OnPlatform x:Key="DockHeaderContentPadding"
+              x:TypeArguments="Thickness"
+              Default="2"
+              macOS="2,1,2,0"
+              Windows="2" />
   <Thickness x:Key="DockModifiedIndicatorMargin">0,0,2,0</Thickness>
   <sys:Double x:Key="DockTabContentSpacing">2</sys:Double>
   <sys:Double x:Key="DockDocumentTabHeaderContentSpacing">5</sys:Double>

src/Dock.Avalonia.Themes.Browser/Styles/Controls/HostWindow.axaml

@@ -30,7 +30,7 @@
     <Setter Property="ToolChromeControlsWholeWindow" Value="{Binding OpenedDockablesCount, Converter={StaticResource LessThan2}}" />
     <Setter Property="ExtendClientAreaToDecorationsHint" Value="True" />
     <Setter Property="ExtendClientAreaTitleBarHeightHint" Value="0" />
-    <Setter Property="ExtendClientAreaChromeHints" Value="PreferSystemChrome" />
+    <Setter Property="ExtendClientAreaChromeHints" Value="{DynamicResource DockHostWindowChromeHints}" />
 
     <Setter Property="Template">
       <ControlTemplate>

src/Dock.Avalonia.Themes.Fluent/Controls/DocumentTabStripItem.axaml

@@ -341,7 +341,8 @@
                   DockProperties.IsDockTarget="True"
                   DockProperties.ShowDockIndicatorOnly="True"
                   DockProperties.IndicatorDockOperation="Fill">
-            <DockableControl TrackingMode="Tab">
+            <DockableControl TrackingMode="Tab"
+                             VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
               <DockPanel Background="Transparent">
                 <StackPanel Background="Transparent"
                             Orientation="Horizontal"