fix(Windows): ChatWindow initialization issues

Author: DearVa

src/Everywhere/Initialization/ChatWindowInitializer.cs

@@ -40,15 +40,8 @@ public Task InitializeAsync()
 
         HandleChatShortcutChanged(settings.ChatWindow.Shortcut);
 
-        Dispatcher.UIThread.Invoke(() =>
-        {
-            // Preload ChatWindow to avoid delay on first open
-            var chatWindow = ServiceLocator.Resolve<ChatWindow>();
-            chatWindow.ViewModel.IsOpened = true;
-            chatWindow.ViewModel.IsOpened = false;
-            chatWindow.ShowActivated = true;
-            chatWindow.Topmost = true;
-        });
+        // Preload ChatWindow to avoid delay on first open
+        Dispatcher.UIThread.Invoke(() => ServiceLocator.Resolve<ChatWindow>().Initialize());
 
         return Task.CompletedTask;
     }
@@ -74,9 +67,14 @@ private void HandleChatShortcutChanged(KeyboardShortcut shortcut)
                 Dispatcher.UIThread.Invoke(() =>
                 {
                     var chatWindow = ServiceLocator.Resolve<ChatWindow>();
-                    if (hWnd == chatWindow.TryGetPlatformHandle()?.Handle) element = null; // Avoid focusing to itself
-
-                    chatWindow.ViewModel.TryFloatToTargetElementAsync(element).Detach(logger.ToExceptionHandler());
+                    if (hWnd == chatWindow.TryGetPlatformHandle()?.Handle)
+                    {
+                        chatWindow.ViewModel.IsOpened = false; // Hide chat window if it's already focused
+                    }
+                    else
+                    {
+                        chatWindow.ViewModel.TryFloatToTargetElementAsync(element).Detach(logger.ToExceptionHandler());
+                    }
                 });
             }));
     }

src/Everywhere/ViewModels/ChatWindowViewModel.cs

@@ -175,17 +175,15 @@ public async Task TryFloatToTargetElementAsync(IVisualElement? targetElement)
 
         try
         {
-            if (_chatAttachments.Any(a => a is ChatVisualElementAttachment vea && Equals(vea.Element?.Target, targetElement)))
-            {
-                // Toggle the chat window visibility
-                IsOpened = true;
-                return;
-            }
+            IsOpened = true;
+
+            // Avoid adding duplicate attachments
+            if (_chatAttachments.Any(a => a is ChatVisualElementAttachment vea && Equals(vea.Element?.Target, targetElement))) return;
 
             TargetBoundingRect = default;
             if (targetElement == null)
             {
-                IsOpened = false;
+                if (_chatAttachments is [ChatVisualElementAttachment { IsFocusedElement: true }, ..]) _chatAttachments.RemoveAt(0);
                 return;
             }
 
@@ -205,8 +203,6 @@ public async Task TryFloatToTargetElementAsync(IVisualElement? targetElement)
                     _chatAttachments.Insert(0, attachment.With(a => a.IsFocusedElement = true));
                 }
             }
-
-            IsOpened = true;
         }
         catch (Exception ex)
         {

src/Everywhere/Views/Windows/ChatWindow.axaml

@@ -13,7 +13,8 @@
   IsOpened="{Binding IsOpened, Mode=OneWayToSource}"
   IsTitleBarVisible="False"
   RequestedThemeVariant="{x:Static themes:ThemeVariants.Acrylic}"
-  SizeToContent="WidthAndHeight" SystemDecorations="BorderOnly"
+  ShowActivated="False" SizeToContent="WidthAndHeight"
+  SystemDecorations="BorderOnly"
   TargetBoundingRect="{Binding TargetBoundingRect}"
   TransparencyLevelHint="AcrylicBlur" WindowStartupLocation="Manual">
 

src/Everywhere/Views/Windows/ChatWindow.axaml.cs

@@ -11,7 +11,6 @@
 using Everywhere.Common;
 using Everywhere.Configuration;
 using Everywhere.Interop;
-using Everywhere.Utilities;
 using LiveMarkdown.Avalonia;
 using Microsoft.Extensions.Logging;
 using ShadUI;
@@ -83,6 +82,20 @@ public ChatWindow(
         ChatInputBox.PastingFromClipboard += HandleChatInputBoxPastingFromClipboard;
     }
 
+    /// <summary>
+    /// Initializes the chat window.
+    /// </summary>
+    public void Initialize()
+    {
+        EnsureInitialized();
+        ApplyStyling();
+        StartRendering();
+        StopRendering();
+        _windowHelper.SetCloaked(this, true);
+        ShowActivated = true;
+        Topmost = true;
+    }
+
     private void HandleKeyDown(object? sender, KeyEventArgs e)
     {
         switch (e.Key)
@@ -190,26 +203,13 @@ protected override Size MeasureOverride(Size availableSize)
         return new Size(width, height);
     }
 
-    private readonly ReusableCancellationTokenSource _lostFocusCts = new();
-
-    protected override async void OnLostFocus(RoutedEventArgs e)
+    protected override void OnLostFocus(RoutedEventArgs e)
     {
-        try
-        {
-            base.OnLostFocus(e);
-
-            // leave some time for focus to move to another element within the window
-            _lostFocusCts.Cancel();
-            await Task.Delay(200, _lostFocusCts.Token);
+        base.OnLostFocus(e);
 
-            if (!ViewModel.IsPickingFiles && !IsActive && !IsWindowPinned && !_windowHelper.AnyModelDialogOpened(this))
-            {
-                IsOpened = false;
-            }
-        }
-        catch
+        if (!ViewModel.IsPickingFiles && !IsActive && !IsWindowPinned && !_windowHelper.AnyModelDialogOpened(this))
         {
-            // Ignore
+            IsOpened = false;
         }
     }
 
@@ -356,13 +356,14 @@ private void HandleViewModelPropertyChanged(object? sender, PropertyChangedEvent
                 }
             }
 
-            WindowState = WindowState.Minimized;
             ShowInTaskbar = IsWindowPinned;
             _windowHelper.SetCloaked(this, false);
+            StartRendering();
             ChatInputBox.Focus();
         }
         else
         {
+            StopRendering();
             ShowInTaskbar = false;
             _windowHelper.SetCloaked(this, true);
         }