hint when promoted

src/Snap.Hutao/Snap.Hutao/Core/Windowing/NotifyIcon/NotifyIconController.cs

@@ -50,6 +50,11 @@ internal sealed class NotifyIconController : IDisposable
         xamlHostWindow.Dispose();
     }
 
+    public RECT GetRect()
+    {
+        return NotifyIconMethods.GetRect(id, messageWindow.HWND);
+    }
+
     private void OnRecreateNotifyIconRequested(NotifyIconMessageWindow window)
     {
         NotifyIconMethods.Delete(id);
@@ -81,7 +86,6 @@ internal sealed class NotifyIconController : IDisposable
     [SuppressMessage("", "SH002")]
     private void OnContextMenuRequested(NotifyIconMessageWindow window, PointUInt16 point)
     {
-        RECT iconRect = NotifyIconMethods.GetRect(id, window.HWND);
-        xamlHostWindow.ShowFlyoutAt(lazyMenu.Value, new Windows.Foundation.Point(point.X, point.Y), iconRect);
+        xamlHostWindow.ShowFlyoutAt(lazyMenu.Value, new Windows.Foundation.Point(point.X, point.Y), GetRect());
     }
 }

src/Snap.Hutao/Snap.Hutao/Core/Windowing/XamlWindowController.cs

@@ -1,6 +1,7 @@
 // Copyright (c) DGP Studio. All rights reserved.
 // Licensed under the MIT license.
 
+using CommunityToolkit.WinUI.Notifications;
 using Microsoft.UI;
 using Microsoft.UI.Composition.SystemBackdrops;
 using Microsoft.UI.Content;
@@ -11,6 +12,7 @@ using Microsoft.UI.Xaml.Media;
 using Snap.Hutao.Core.LifeCycle;
 using Snap.Hutao.Core.Setting;
 using Snap.Hutao.Core.Windowing.Abstraction;
+using Snap.Hutao.Core.Windowing.NotifyIcon;
 using Snap.Hutao.Service;
 using Snap.Hutao.Win32;
 using Snap.Hutao.Win32.Foundation;
@@ -102,6 +104,15 @@ internal sealed class XamlWindowController
             args.Handled = true;
             window.Hide();
 
+            RECT iconRect = serviceProvider.GetRequiredService<NotifyIconController>().GetRect();
+            RECT primaryRect = StructMarshal.RECT(DisplayArea.Primary.OuterBounds);
+            if (!IntersectRect(out _, in primaryRect, in iconRect))
+            {
+                new ToastContentBuilder()
+                    .AddText(SH.CoreWindowingNotifyIconPromotedHint)
+                    .Show();
+            }
+
             ICurrentXamlWindowReference currentXamlWindowReference = serviceProvider.GetRequiredService<ICurrentXamlWindowReference>();
             if (currentXamlWindowReference.Window == window)
             {

src/Snap.Hutao/Snap.Hutao/Resource/Localization/SH.resx

@@ -198,6 +198,9 @@
   <data name="CoreWindowingNotifyIconLaunchGameLabel" xml:space="preserve">
     <value>启动游戏</value>
   </data>
+  <data name="CoreWindowingNotifyIconPromotedHint" xml:space="preserve">
+    <value>胡桃已进入后台运行</value>
+  </data>
   <data name="CoreWindowingNotifyIconViewLabel" xml:space="preserve">
     <value>窗口</value>
   </data>

src/Snap.Hutao/Snap.Hutao/Win32/Foundation/RECT.cs

@@ -10,4 +10,12 @@ internal struct RECT
     public int top;
     public int right;
     public int bottom;
+
+    public RECT(int left, int top, int right, int bottom)
+    {
+        this.left = left;
+        this.top = top;
+        this.right = right;
+        this.bottom = bottom;
+    }
 }

src/Snap.Hutao/Snap.Hutao/Win32/StructMarshal.cs

@@ -33,6 +33,11 @@ internal static class StructMarshal
         return new(0, 0, size.X, size.Y);
     }
 
+    public static RECT RECT(RectInt32 rect)
+    {
+        return new(rect.X, rect.Y, rect.X + rect.Width, rect.Y + rect.Height);
+    }
+
     public static RectInt32 RectInt32(RECT rect)
     {
         return new(rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top);

src/Snap.Hutao/Snap.Hutao/Win32/User32.cs

@@ -125,6 +125,24 @@ internal static class User32
         }
     }
 
+    [DllImport("USER32.dll", CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
+    [SupportedOSPlatform("windows5.0")]
+    public static unsafe extern BOOL IntersectRect([Out] RECT* lprcDst, RECT* lprcSrc1, RECT* lprcSrc2);
+
+    public static unsafe BOOL IntersectRect(out RECT rcDst, ref readonly RECT rcSrc1, ref readonly RECT rcSrc2)
+    {
+        fixed (RECT* lprcDst = &rcDst)
+        {
+            fixed (RECT* lprcSrc1 = &rcSrc1)
+            {
+                fixed (RECT* lprcSrc2 = &rcSrc2)
+                {
+                    return IntersectRect(lprcDst, lprcSrc1, lprcSrc2);
+                }
+            }
+        }
+    }
+
     [DllImport("USER32.dll", CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
     [SupportedOSPlatform("windows5.0")]
     public static extern BOOL IsIconic(HWND hWnd);