ux: new style for ToggleButton.line_path

Signed-off-by: leo <longshuang@msn.cn>

Author: love-linger

src/Resources/Styles.axaml

@@ -1282,18 +1282,25 @@
     <Setter Property="Background" Value="Transparent"/>
     <Setter Property="HorizontalAlignment" Value="Stretch"/>
     <Setter Property="VerticalAlignment" Value="Stretch"/>
-  </Style>
-  <Style Selector="ToggleButton.line_path:pointerover /template/ ContentPresenter#PART_ContentPresenter">
-    <Setter Property="Background" Value="Transparent"/>
-  </Style>
-  <Style Selector="ToggleButton.line_path:checked /template/ ContentPresenter#PART_ContentPresenter">
-    <Setter Property="Background" Value="Transparent"/>
-  </Style>
-  <Style Selector="ToggleButton.line_path:pointerover Path">
-    <Setter Property="Fill" Value="{DynamicResource Brush.Accent}"/>
-  </Style>
-  <Style Selector="ToggleButton.line_path:checked Path">
-    <Setter Property="Fill" Value="{DynamicResource Brush.Accent}"/>
+    <Setter Property="Opacity" Value=".8"/>
+
+    <Style Selector="^:pointerover">
+      <Setter Property="Opacity" Value="1"/>
+
+      <Style Selector="^ /template/ ContentPresenter#PART_ContentPresenter">
+        <Setter Property="Background" Value="Transparent"/>
+      </Style>
+    </Style>
+
+    <Style Selector="^:checked">
+      <Style Selector="^ /template/ ContentPresenter#PART_ContentPresenter">
+        <Setter Property="Background" Value="Transparent"/>
+      </Style>
+
+      <Style Selector="^ Path">
+        <Setter Property="Fill" Value="{DynamicResource Brush.Accent}"/>
+      </Style>
+    </Style>
   </Style>
 
   <Style Selector="ToggleButton.toggle_untracked">