From af6c52660d5f13a45482a88aea0fccec9156893e Mon Sep 17 00:00:00 2001
From: Zhang Dian <54255897+zdpcdt@users.noreply.github.com>
Date: Mon, 6 Jan 2025 22:14:06 +0800
Subject: [PATCH] feat: sync high-contrast themes under the Windows OS.

---
 demo/Semi.Avalonia.Demo/App.axaml.cs | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/demo/Semi.Avalonia.Demo/App.axaml.cs b/demo/Semi.Avalonia.Demo/App.axaml.cs
index b4482be..1dccc74 100644
--- a/demo/Semi.Avalonia.Demo/App.axaml.cs
+++ b/demo/Semi.Avalonia.Demo/App.axaml.cs
@@ -1,7 +1,10 @@
+using System.Runtime.InteropServices;
 using Avalonia;
 using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Data.Core.Plugins;
 using Avalonia.Markup.Xaml;
+using Avalonia.Media;
+using Avalonia.Platform;
 using Semi.Avalonia.Demo.Views;
 
 namespace Semi.Avalonia.Demo;
@@ -28,6 +31,30 @@ public partial class App : Application
                 break;
         }
 
+        if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+        {
+            var setting = PlatformSettings?.GetColorValues();
+            if (setting?.ContrastPreference is ColorContrastPreference.High)
+            {
+                if (setting.AccentColor1 == Color.Parse("#8EE3F0"))
+                {
+                    RequestedThemeVariant = SemiTheme.Aquatic;
+                }
+                else if (setting.AccentColor1 == Color.Parse("#903909"))
+                {
+                    RequestedThemeVariant = SemiTheme.Desert;
+                }
+                else if (setting.AccentColor1 == Color.Parse("#A1BFDE"))
+                {
+                    RequestedThemeVariant = SemiTheme.Dusk;
+                }
+                else if (setting.AccentColor1 == Color.Parse("#D6B4FD"))
+                {
+                    RequestedThemeVariant = SemiTheme.NightSky;
+                }
+            }
+        }
+
         base.OnFrameworkInitializationCompleted();
     }
 }
\ No newline at end of file