From cca65635a62cd3c8252c407f5a364f854b14920d Mon Sep 17 00:00:00 2001
From: Lightczx <1686188646@qq.com>
Date: Tue, 17 Oct 2023 14:52:38 +0800
Subject: [PATCH] investigate into CoreWindow

---
 .../Snap.Hutao.Win32/UnsafePInvoke.cs         | 37 +++++++++++++++++++
 .../Core/Windowing/WindowController.cs        |  3 ++
 2 files changed, 40 insertions(+)
 create mode 100644 src/Snap.Hutao/Snap.Hutao.Win32/UnsafePInvoke.cs

diff --git a/src/Snap.Hutao/Snap.Hutao.Win32/UnsafePInvoke.cs b/src/Snap.Hutao/Snap.Hutao.Win32/UnsafePInvoke.cs
new file mode 100644
index 00000000..98b9cab0
--- /dev/null
+++ b/src/Snap.Hutao/Snap.Hutao.Win32/UnsafePInvoke.cs
@@ -0,0 +1,37 @@
+// Copyright (c) DGP Studio. All rights reserved.
+// Licensed under the MIT license.
+
+
+using System;
+using System.Runtime.InteropServices;
+using Windows.UI.Core;
+using Windows.Win32.Foundation;
+
+namespace Snap.Hutao.Win32;
+
+internal static class UnsafePInvoke
+{
+    private enum WINDOW_TYPE : uint
+    {
+        IMMERSIVE_BODY,
+        IMMERSIVE_DOCK,
+        IMMERSIVE_HOSTED,
+        IMMERSIVE_TEST,
+        IMMERSIVE_BODY_ACTIVE,
+        IMMERSIVE_DOCK_ACTIVE,
+        NOT_IMMERSIVE,
+    }
+
+    [DllImport("Windows.UI.dll", CharSet = CharSet.None, EntryPoint = "#1500", ExactSpelling = false, SetLastError = true)]
+    [DefaultDllImportSearchPaths(DllImportSearchPath.System32)]
+    private static extern HRESULT PrivateCreateCoreWindow(WINDOW_TYPE WindowType, PWSTR pWindowTitle, int x, int y, uint uWidth, uint uHeight, uint dwAttributes, HWND hOwnerWindow, Guid riid, out nint ppv);
+
+    public static unsafe CoreWindow PrivateCreateCoreWindow(string title, HWND hOwnerWindow)
+    {
+        fixed(char* pTitle = title)
+        {
+            PrivateCreateCoreWindow(WINDOW_TYPE.NOT_IMMERSIVE, pTitle, 0, 0, 400, 400, 0, hOwnerWindow, typeof(ICoreWindow).GUID, out nint thisPtr);
+            return CoreWindow.FromAbi(thisPtr);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Windowing/WindowController.cs b/src/Snap.Hutao/Snap.Hutao/Core/Windowing/WindowController.cs
index 946fc5bc..4a71d89e 100644
--- a/src/Snap.Hutao/Snap.Hutao/Core/Windowing/WindowController.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Core/Windowing/WindowController.cs
@@ -8,9 +8,11 @@ using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Media;
 using Snap.Hutao.Core.Setting;
 using Snap.Hutao.Service;
+using Snap.Hutao.Win32;
 using System.IO;
 using Windows.Graphics;
 using Windows.UI;
+using Windows.UI.Core;
 using Windows.Win32.Foundation;
 using Windows.Win32.Graphics.Dwm;
 using Windows.Win32.UI.WindowsAndMessaging;
@@ -55,6 +57,7 @@ internal sealed class WindowController
         ExtendsContentIntoTitleBar();
 
         RecoverOrInitWindowSize();
+        CoreWindow coreWindow = UnsafePInvoke.PrivateCreateCoreWindow("Snap Hutao CoreWindow", options.Hwnd);
         UpdateImmersiveDarkMode(options.TitleBar, default!);
 
         // appWindow.Show(true);