在 Win32 窗口中显示一个正方形

wherewhere · Nov 5, 2023 · afae124 · afae124
1 parent 8483c43
commit afae124
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Showing 2 changed files with 51 additions and 3 deletions.
diff --git a/CoreAppUWP/Helpers/WindowHelper.cs b/CoreAppUWP/Helpers/WindowHelper.cs
@@ -1,9 +1,13 @@
 using CoreAppUWP.Common;
 using Microsoft.UI;
+using Microsoft.UI.Composition;
+using Microsoft.UI.Content;
+using Microsoft.UI.Dispatching;
 using Microsoft.UI.Windowing;
 using Microsoft.UI.Xaml;
 using System;
 using System.Collections.Generic;
+using System.Threading;
 using System.Threading.Tasks;
 using Windows.ApplicationModel.Core;
 using Windows.UI.Core;
@@ -37,6 +41,40 @@ public static async Task<bool> CreateWindowAsync(Action<Window> launched)
             return await ApplicationViewSwitcher.TryShowAsStandaloneAsync(newViewId);
         }
 
+
+
+        public static Task<AppWindow> CreateAppWindowAsync(Action<DesktopChildSiteBridge, Compositor> launched)
+        {
+            TaskCompletionSource<AppWindow> taskCompletionSource = new();
+
+            Thread thread = new(async () =>
+            {
+                try
+                {
+                    DispatcherQueueController controller = DispatcherQueueController.CreateOnCurrentThread();
+                    DispatcherQueue dispatcherQueue = controller.DispatcherQueue;
+                    AppWindow window = AppWindow.Create();
+                    window.AssociateWithDispatcherQueue(dispatcherQueue);
+                    taskCompletionSource.SetResult(window);
+                    window.Destroying += (sender, args) => dispatcherQueue.EnqueueEventLoopExit();
+                    Compositor compositor = new();
+                    DesktopChildSiteBridge bridge = DesktopChildSiteBridge.Create(compositor, window.Id);
+                    bridge.Show();
+                    bridge.ResizePolicy = ContentSizePolicy.ResizeContentToParentWindow;
+                    launched(bridge, compositor);
+                    dispatcherQueue.RunEventLoop();
+                    await controller.ShutdownQueueAsync();
+                }
+                catch (Exception e)
+                {
+                    taskCompletionSource.SetException(e);
+                }
+            });
+            thread.Start();
+
+            return taskCompletionSource.Task;
+        }
+
         public static void TrackWindow(this Window window)
         {
             if (!ActiveWindows.ContainsKey(window.Dispatcher))

diff --git a/CoreAppUWP/Pages/SettingsPages/SettingsPage.xaml.cs b/CoreAppUWP/Pages/SettingsPages/SettingsPage.xaml.cs
@@ -3,12 +3,15 @@
 using CoreAppUWP.Helpers;
 using CoreAppUWP.ViewModels.SettingsPages;
 using Microsoft.UI;
+using Microsoft.UI.Composition;
+using Microsoft.UI.Content;
 using Microsoft.UI.Windowing;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
 using Microsoft.UI.Xaml.Media.Animation;
 using Microsoft.UI.Xaml.Navigation;
 using System;
+using System.Numerics;
 using System.Threading.Tasks;
 using Windows.ApplicationModel;
 using Windows.ApplicationModel.Core;
@@ -96,8 +99,16 @@ private async void Button_Click(object sender, RoutedEventArgs e)
                     });
                     break;
                 case "NewAppWindow":
-                    AppWindow window = AppWindow.Create();
-                    window.Closing += (sender, args) => sender.Destroy();
+                    AppWindow window = await WindowHelper.CreateAppWindowAsync((bridge, compositor) =>
+                    {
+                        ContainerVisual root = compositor.CreateContainerVisual();
+                        ContentIsland contentIsland = ContentIsland.Create(root);
+                        SpriteVisual child = compositor.CreateSpriteVisual();
+                        child.Size = new Vector2(100f, 100f);
+                        child.Brush = compositor.CreateColorBrush(Color.FromArgb(0xFF, 0x00, 0x80, 0xFF));
+                        root.Children.InsertAtTop(child);
+                        bridge.Connect(contentIsland);
+                    }).ConfigureAwait(false);
                     if (AppWindowTitleBar.IsCustomizationSupported())
                     {
                         AppWindowTitleBar TitleBar = window.TitleBar;
@@ -110,7 +121,6 @@ private async void Button_Click(object sender, RoutedEventArgs e)
                         TitleBar.BackgroundColor = TitleBar.InactiveBackgroundColor = BackgroundColor;
                         TitleBar.ButtonBackgroundColor = TitleBar.ButtonInactiveBackgroundColor = Colors.Transparent;
                     }
-                    window.AssociateWithDispatcherQueue(DispatcherQueue);
                     window.Title = Package.Current.DisplayName;
                     window.SetIcon("favicon.ico");
                     window.Show();