Merge pull request #3513 from Symbai/Symbai-patch-1

Add disable styles for TextBox / ListBox / ComboBox / Slider

src/Avalonia.Themes.Default/ComboBox.xaml

@@ -58,4 +58,7 @@
   <Style Selector="ComboBox:pointerover /template/ Border#border">
     <Setter Property="BorderBrush" Value="{DynamicResource ThemeBorderHighBrush}"/>
   </Style>
+    <Style Selector="ComboBox:disabled /template/ Border#border">
+        <Setter Property="Opacity" Value="{DynamicResource ThemeDisabledOpacity}" />
+    </Style>
 </Styles>

src/Avalonia.Themes.Default/ListBox.xaml

@@ -1,4 +1,5 @@
-<Style xmlns="https://github.com/avaloniaui" Selector="ListBox">
+<Styles xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <Style Selector="ListBox">
   <Setter Property="Background" Value="{DynamicResource ThemeBackgroundBrush}"/>
   <Setter Property="BorderBrush" Value="{DynamicResource ThemeBorderMidBrush}"/>
   <Setter Property="BorderThickness" Value="{DynamicResource ThemeBorderThickness}"/>
@@ -7,7 +8,7 @@
   <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto"/>
   <Setter Property="Template">
     <ControlTemplate>
-      <Border BorderBrush="{TemplateBinding BorderBrush}"
+      <Border Name="border" BorderBrush="{TemplateBinding BorderBrush}"
               BorderThickness="{TemplateBinding BorderThickness}">
         <ScrollViewer Name="PART_ScrollViewer"
                       Background="{TemplateBinding Background}"
@@ -23,4 +24,8 @@
       </Border>
     </ControlTemplate>
   </Setter>
-</Style>
+    </Style>
+    <Style Selector="ListBox:disabled /template/ Border#border">
+        <Setter Property="Opacity" Value="{DynamicResource ThemeDisabledOpacity}" />
+    </Style>
+</Styles>

src/Avalonia.Themes.Default/Slider.xaml

@@ -4,7 +4,7 @@
     <Setter Property="MinHeight" Value="20"/>
     <Setter Property="Template">
       <ControlTemplate>
-        <Grid>
+        <Grid Name="grid">
           <Grid.RowDefinitions>
             <RowDefinition Height="Auto"/>
             <RowDefinition Height="Auto" MinHeight="20"/>
@@ -20,7 +20,7 @@
                <RepeatButton Name="PART_IncreaseButton"
                              Classes="repeattrack" />
             </Track.IncreaseButton>
-            <Thumb MinWidth="20" MinHeight="20">
+            <Thumb Name="thumb" MinWidth="20" MinHeight="20">
               <Thumb.Template>
                 <ControlTemplate>
                   <Grid>
@@ -55,7 +55,7 @@
                <RepeatButton Name="PART_IncreaseButton"
                              Classes="repeattrack" />
             </Track.IncreaseButton>
-            <Thumb MinWidth="20" MinHeight="20">
+            <Thumb Name="thumb" MinWidth="20" MinHeight="20">
               <Thumb.Template>
                 <ControlTemplate>
                   <Grid>
@@ -87,4 +87,7 @@
         </ControlTemplate>
     </Setter>
   </Style>
+    <Style Selector="Slider:disabled /template/ Grid#grid">
+        <Setter Property="Opacity" Value="{DynamicResource ThemeDisabledOpacity}" />
+    </Style>
 </Styles>

src/Avalonia.Themes.Default/TextBox.xaml

@@ -70,4 +70,7 @@
   <Style Selector="TextBox">
     <Setter Property="Cursor" Value="IBeam" />
   </Style>
+    <Style Selector="TextBox:disabled /template/ Border#border">
+        <Setter Property="Opacity" Value="{DynamicResource ThemeDisabledOpacity}" />
+    </Style>
 </Styles>