From fffdcfcc2a8c49f16d9f1c363c774e56e20d685b Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Wed, 3 Aug 2022 14:05:55 +0200
Subject: [PATCH] Fix fluent ButtonSpinner theme.

The button was greying out its borders on pointer-over.
---
 .../Controls/ButtonSpinner.xaml               | 30 ++++++++++++++-----
 1 file changed, 23 insertions(+), 7 deletions(-)

diff --git a/src/Avalonia.Themes.Fluent/Controls/ButtonSpinner.xaml b/src/Avalonia.Themes.Fluent/Controls/ButtonSpinner.xaml
index 855dc5363e..aa55065f6d 100644
--- a/src/Avalonia.Themes.Fluent/Controls/ButtonSpinner.xaml
+++ b/src/Avalonia.Themes.Fluent/Controls/ButtonSpinner.xaml
@@ -41,13 +41,31 @@
   <StreamGeometry x:Key="ButtonSpinnerIncreaseButtonIcon">M0,9 L10,0 20,9 19,10 10,2 1,10 z</StreamGeometry>
   <StreamGeometry x:Key="ButtonSpinnerDecreaseButtonIcon">M0,1 L10,10 20,1 19,0 10,8 1,0 z</StreamGeometry>
 
-  <ControlTheme x:Key="FluentButtonSpinnerRepeatButton" TargetType="RepeatButton" BasedOn="{StaticResource {x:Type RepeatButton}}">
-    <Setter Property="CornerRadius" Value="0"/>
+  <ControlTheme x:Key="FluentButtonSpinnerRepeatButton" TargetType="RepeatButton">
     <Setter Property="MinWidth" Value="34" />
-    <Setter Property="VerticalAlignment" Value="Stretch" />
+    <Setter Property="Template">
+      <ControlTemplate>
+        <ContentPresenter x:Name="PART_ContentPresenter"
+                          Background="{TemplateBinding Background}"
+                          BorderBrush="{TemplateBinding BorderBrush}"
+                          BorderThickness="{TemplateBinding BorderThickness}"
+                          Content="{TemplateBinding Content}"
+                          ContentTemplate="{TemplateBinding ContentTemplate}"
+                          Padding="{TemplateBinding Padding}"
+                          HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                          VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" />
+      </ControlTemplate>
+    </Setter>
+    <Style Selector="^:pointerover /template/ ContentPresenter#PART_ContentPresenter">
+      <Setter Property="Background" Value="{DynamicResource RepeatButtonBackgroundPointerOver}" />
+    </Style>
+
+    <Style Selector="^:pressed /template/ ContentPresenter#PART_ContentPresenter">
+      <Setter Property="Background" Value="{DynamicResource RepeatButtonBackgroundPressed}" />
+    </Style>
+
     <Style Selector="^:disabled /template/ ContentPresenter#PART_ContentPresenter">
-      <Setter Property="BorderBrush" Value="{TemplateBinding BorderBrush}" />
-      <Setter Property="Foreground" Value="{DynamicResource RepeatButtonForegroundDisabled}"/>
+      <Setter Property="Foreground" Value="{DynamicResource RepeatButtonForegroundDisabled}" />
     </Style>
   </ControlTheme>
 
@@ -83,7 +101,6 @@
                               Background="{TemplateBinding Background}"
                               BorderBrush="{TemplateBinding BorderBrush}"
                               BorderThickness="{TemplateBinding BorderThickness, Converter={StaticResource ButtonSpinnerLeftThickness}}"
-                              CornerRadius="0"
                               VerticalAlignment="Stretch"
                               VerticalContentAlignment="Center"
                               Foreground="{TemplateBinding Foreground}"
@@ -99,7 +116,6 @@
                               Background="{TemplateBinding Background}"
                               BorderBrush="{TemplateBinding BorderBrush}"
                               BorderThickness="{TemplateBinding BorderThickness, Converter={StaticResource ButtonSpinnerLeftThickness}}"
-                              CornerRadius="0"
                               VerticalAlignment="Stretch"
                               VerticalContentAlignment="Center"
                               Foreground="{TemplateBinding Foreground}"