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LanMountainDesktop/Views/FusedDesktopComponentLibraryWindow.axaml.cs

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+using System;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using LanMountainDesktop.Services;
+
+namespace LanMountainDesktop.Views;
+
+/// <summary>
+/// 融合桌面组件库窗口 - 专门用于添加组件到系统桌面（负一屏）
+/// 
+/// 注意：此窗口只能添加组件到融合桌面，不能添加到阑山桌面
+/// </summary>
+public partial class FusedDesktopComponentLibraryWindow : Window
+{
+    private readonly IFusedDesktopLayoutService _layoutService = FusedDesktopLayoutServiceProvider.GetOrCreate();
+    private TransparentOverlayWindow? _overlayWindow;
+    
+    public FusedDesktopComponentLibraryWindow()
+    {
+        InitializeComponent();
+        
+        LibraryControl.AddComponentRequested += OnAddComponentRequested;
+    }
+    
+    /// <summary>
+    /// 设置透明覆盖层窗口引用
+    /// </summary>
+    public void SetOverlayWindow(TransparentOverlayWindow overlayWindow)
+    {
+        _overlayWindow = overlayWindow;
+    }
+    
+    /// <summary>
+    /// 添加组件请求处理
+    /// </summary>
+    private void OnAddComponentRequested(object? sender, string componentId)
+    {
+        if (_overlayWindow is null)
+        {
+            AppLogger.Warn("FusedDesktopLibrary", "Overlay window is not set.");
+            return;
+        }
+        
+        // 在屏幕中央添加组件
+        var screenBounds = _overlayWindow.Bounds;
+        var x = screenBounds.Width / 2 - 100; // 居中
+        var y = screenBounds.Height / 2 - 100;
+        
+        _overlayWindow.AddComponent(componentId, x, y, 200, 200);
+        
+        AppLogger.Info("FusedDesktopLibrary", $"Added component {componentId} to fused desktop.");
+        
+        // 关闭窗口
+        Close();
+    }
+    
+    private void OnCloseClick(object? sender, RoutedEventArgs e)
+    {
+        Close();
+    }
+}