feat: ToggleButton & ToggleSplitButton :checked.

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

@@ -82,7 +82,14 @@
                 Disabled
             </ToggleButton>
         </StackPanel>
-        <StackPanel Orientation="Horizontal">
+        <TextBlock Text="Toggle Button Disabled State" />
+        <StackPanel Background="{DynamicResource SemiColorBackground1}" Orientation="Horizontal" Spacing="20">
+            <ToggleButton IsThreeState="True" IsEnabled="False">Default</ToggleButton>
+            <ToggleButton IsThreeState="True" IsEnabled="False" IsChecked="True">Checked</ToggleButton>
+            <ToggleButton IsThreeState="True" IsEnabled="False" IsChecked="{x:Null}">Indeterminate</ToggleButton>
+        </StackPanel>
+        <TextBlock Text="Toggle Button Size" />
+        <StackPanel Orientation="Horizontal" Spacing="20">
             <ToggleButton Classes="Small" IsThreeState="True">Small</ToggleButton>
             <ToggleButton IsThreeState="True">Default</ToggleButton>
             <ToggleButton Classes="Large" IsThreeState="True">Large</ToggleButton>

src/Semi.Avalonia/Controls/SplitButton.axaml

@@ -221,6 +221,10 @@
             <Setter Property="Background" Value="{DynamicResource ButtonDefaultBackground}" />
             <Setter Property="Foreground" Value="{DynamicResource ButtonDefaultDisabledForeground}" />
         </Style>
+        <!-- only for ToggleSplitButton -->
+        <Style Selector="^:checked:disabled /template/ Button">
+            <Setter Property="Background" Value="{DynamicResource ButtonSolidDisabledBackground}" />
+        </Style>
     </ControlTheme>
 
     <ControlTheme

src/Semi.Avalonia/Controls/ToggleButton.axaml

@@ -73,6 +73,7 @@
 
         <Style Selector="^:disabled">
             <Setter Property="BorderBrush" Value="{DynamicResource ToggleButtonDefaultDisabledBorderBrush}" />
+            <Setter Property="Background" Value="{DynamicResource ToggleButtonDefaultBackground}" />
         </Style>
 
         <Style Selector="^.Primary">
@@ -159,6 +160,7 @@
             </Style>
             <Style Selector="^:disabled">
                 <Setter Property="BorderBrush" Value="{DynamicResource ToggleButtonDefaultDisabledBorderBrush}" />
+                <Setter Property="Background" Value="{DynamicResource ToggleButtonCheckedDisabledBackground}" />
             </Style>
         </Style>
 
@@ -248,12 +250,12 @@
             </Style>
             <Style Selector="^:disabled">
                 <Setter Property="BorderBrush" Value="{DynamicResource ToggleButtonIndeterminateDisabledBorderBrush}" />
+                <Setter Property="Background" Value="{DynamicResource ToggleButtonDefaultBackground}" />
             </Style>
         </Style>
 
         <Style Selector="^:disabled">
             <Setter Property="Foreground" Value="{DynamicResource ToggleButtonDefaultDisabledForeground}" />
-            <Setter Property="Background" Value="{DynamicResource ToggleButtonDefaultDisabledBackground}" />
         </Style>
 
         <Style Selector="^.Large">

src/Semi.Avalonia/Themes/Dark/ToggleButton.axaml

@@ -2,7 +2,6 @@
     <SolidColorBrush x:Key="ToggleButtonDefaultBackground" Opacity="0.12" Color="White" />
     <SolidColorBrush x:Key="ToggleButtonDefaultPointeroverBackground" Opacity="0.16" Color="White" />
     <SolidColorBrush x:Key="ToggleButtonDefaultPressedBackground" Opacity="0.20" Color="White" />
-    <SolidColorBrush x:Key="ToggleButtonDefaultDisabledBackground" Opacity="0.04" Color="#E6E8EA" />
     <SolidColorBrush x:Key="ToggleButtonDefaultDisabledBorderBrush" Color="Transparent" />
     <SolidColorBrush x:Key="ToggleButtonDefaultDisabledForeground" Opacity="0.35" Color="#F9F9F9" />
 
@@ -10,7 +9,7 @@
 
     <SolidColorBrush x:Key="ToggleButtonDefaultPrimaryForeground" Color="#54A9FF" />
     <SolidColorBrush x:Key="ToggleButtonDefaultSecondaryForeground" Color="#40B4F3" />
-    <SolidColorBrush x:Key="ToggleButtonDefaultTertiaryForeground" Color="#888D92" />
+    <SolidColorBrush x:Key="ToggleButtonDefaultTertiaryForeground" Opacity="0.8" Color="#F9F9F9" />
     <SolidColorBrush x:Key="ToggleButtonDefaultSuccessForeground" Color="#5DC264" />
     <SolidColorBrush x:Key="ToggleButtonDefaultWarningForeground" Color="#FFAE43" />
     <SolidColorBrush x:Key="ToggleButtonDefaultDangerForeground" Color="#FC725A" />
@@ -37,6 +36,7 @@
     <SolidColorBrush x:Key="ToggleButtonDangerCheckedPressedBackground" Color="#FDBEAC" />
 
     <SolidColorBrush x:Key="ToggleButtonCheckedForeground" Color="White" />
+    <SolidColorBrush x:Key="ToggleButtonCheckedDisabledBackground" Color="#2E3238" />
 
     <SolidColorBrush x:Key="ToggleButtonPrimaryIndeterminateBackground" Color="#053170" />
     <SolidColorBrush x:Key="ToggleButtonSecondaryIndeterminateBackground" Color="#003761" />

src/Semi.Avalonia/Themes/Light/ToggleButton.axaml

@@ -2,7 +2,6 @@
     <SolidColorBrush x:Key="ToggleButtonDefaultBackground" Opacity="0.05" Color="#2E3238" />
     <SolidColorBrush x:Key="ToggleButtonDefaultPointeroverBackground" Opacity="0.09" Color="#2E3238" />
     <SolidColorBrush x:Key="ToggleButtonDefaultPressedBackground" Opacity="0.13" Color="#2E3238" />
-    <SolidColorBrush x:Key="ToggleButtonDefaultDisabledBackground" Color="#E6E8EA" />
     <SolidColorBrush x:Key="ToggleButtonDefaultDisabledBorderBrush" Color="Transparent" />
     <SolidColorBrush x:Key="ToggleButtonDefaultDisabledForeground" Opacity="0.35" Color="#1C1F23" />
 
@@ -10,7 +9,7 @@
 
     <SolidColorBrush x:Key="ToggleButtonDefaultPrimaryForeground" Color="#0077FA" />
     <SolidColorBrush x:Key="ToggleButtonDefaultSecondaryForeground" Color="#0095EE" />
-    <SolidColorBrush x:Key="ToggleButtonDefaultTertiaryForeground" Color="#6B7075" />
+    <SolidColorBrush x:Key="ToggleButtonDefaultTertiaryForeground" Opacity="0.8" Color="#1C1F23" />
     <SolidColorBrush x:Key="ToggleButtonDefaultSuccessForeground" Color="#3BB346" />
     <SolidColorBrush x:Key="ToggleButtonDefaultWarningForeground" Color="#FC8800" />
     <SolidColorBrush x:Key="ToggleButtonDefaultDangerForeground" Color="#F93920" />
@@ -37,6 +36,7 @@
     <SolidColorBrush x:Key="ToggleButtonDangerCheckedPressedBackground" Color="#B2140C" />
 
     <SolidColorBrush x:Key="ToggleButtonCheckedForeground" Color="White" />
+    <SolidColorBrush x:Key="ToggleButtonCheckedDisabledBackground" Color="#E6E8EA" />
 
     <SolidColorBrush x:Key="ToggleButtonPrimaryIndeterminateBackground" Color="#EAF5FF" />
     <SolidColorBrush x:Key="ToggleButtonSecondaryIndeterminateBackground" Color="#E9F7FD" />