feat: 引入 CloudSync 核心能力并新增 Avalonia 桌面端与发布脚本
- 后端：新增 CloudSync 认证/权限/端点/服务与 DTO - 数据：新增用户/会话/安全策略实体与 EF Core migrations - 前端：新增云同步设置 UI、客户端与本地存储；Vite 支持 maui 构建输出到 wwwroot - 桌面端：新增 Avalonia 项目、内置 WebServer、托盘与 Windows 全局热键 - 发布/构建：新增 Windows/Linux 发布脚本与统一入口；调整 MAUI 资源与安装包配置 - 文档：同步更新 README/docs 与协作规则
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ShaoHua
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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Controls.ApplicationLifetimes;
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using Avalonia.Data.Core.Plugins;
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using Avalonia.Markup.Xaml;
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using Avalonia.Threading;
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using AvaloniaWebView;
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using Hua.Todo.Avalonia.Models;
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using Hua.Todo.Avalonia.Services;
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using Hua.Todo.Avalonia.Services.Platforms;
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using Hua.Todo.Avalonia.ViewModels;
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using Hua.Todo.Avalonia.Views;
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using System;
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using System.ComponentModel;
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using System.IO;
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using System.Linq;
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using System.Text.Json;
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using System.Threading.Tasks;
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namespace Hua.Todo.Avalonia;
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/// <summary>
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/// Avalonia 应用入口。
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/// 负责启动嵌入式 WebServer、创建主窗口并初始化 WebView 能力。
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/// </summary>
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public partial class App : global::Avalonia.Application
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{
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private AppSettings? _appSettings;
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private IEmbeddedWebServerService? _webServer;
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private IHotKeySettingsService? _hotKeySettingsService;
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private IGlobalHotKeyService? _hotKeyService;
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private HotKeyConfig? _hotKeyConfig;
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private WindowsKeyboardHandler? _keyboardHandler;
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private MainWindow? _mainWindow;
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private bool _isExitRequested;
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private bool _isHotkeyRegistered;
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/// <summary>
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/// 初始化应用资源并加载配置。
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/// </summary>
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public override void Initialize()
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{
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AvaloniaXamlLoader.Load(this);
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LoadSettings();
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}
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/// <summary>
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/// 注册应用级服务。
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/// </summary>
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public override void RegisterServices()
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{
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base.RegisterServices();
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AvaloniaWebViewBuilder.Initialize(default);
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}
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private void LoadSettings()
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{
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try
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{
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var settingsPath = Path.Combine(AppContext.BaseDirectory, "appsettings.json");
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if (File.Exists(settingsPath))
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{
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var json = File.ReadAllText(settingsPath);
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_appSettings = JsonSerializer.Deserialize<AppSettings>(json);
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine($"[App] Failed to load settings: {ex.Message}");
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}
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_appSettings ??= new AppSettings();
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EnsureDefaultConnectionString(_appSettings);
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}
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private static void EnsureDefaultConnectionString(AppSettings appSettings)
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{
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if (string.IsNullOrWhiteSpace(appSettings.WebServer.ConnectionString))
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{
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var localAppData = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
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var dbDir = Path.Combine(localAppData, "Hua.Todo");
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if (!Directory.Exists(dbDir))
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{
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Directory.CreateDirectory(dbDir);
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}
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var dbPath = Path.Combine(dbDir, "Hua.Todo.db");
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appSettings.WebServer.ConnectionString = $"Data Source={dbPath};Cache=Shared";
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}
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}
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/// <summary>
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/// Avalonia 框架初始化完成回调。
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/// 启动嵌入式 WebServer（后台启动并捕获异常，避免阻塞/崩溃），并创建主窗口。
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/// </summary>
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public override void OnFrameworkInitializationCompleted()
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{
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if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
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{
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DisableAvaloniaDataAnnotationValidation();
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_webServer = new EmbeddedWebServerService(_appSettings!);
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_ = Task.Run(async () =>
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{
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try
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{
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await _webServer.StartAsync();
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}
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catch (Exception ex)
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{
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Console.WriteLine($"[App] Web server start failed: {ex}");
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}
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});
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_hotKeySettingsService = new HotKeySettingsService(_appSettings!);
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_hotKeyConfig = _hotKeySettingsService.GetConfig();
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_hotKeyService = GlobalHotKeyServiceFactory.Create();
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if (OperatingSystem.IsWindows())
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{
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_keyboardHandler = new WindowsKeyboardHandler();
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_keyboardHandler.EscKeyPressed += (_, _) =>
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{
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Dispatcher.UIThread.Post(() =>
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{
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if (_mainWindow is { IsVisible: true })
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{
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_mainWindow.WindowState = WindowState.Minimized;
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}
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});
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};
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}
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DataContext = new AppTrayViewModel(
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AppMetadata.GetTrayTooltipText(),
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ShowMainWindow,
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() => ExitApplication(desktop));
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_mainWindow = new MainWindow(_appSettings!, _webServer)
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{
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Width = 450,
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Height = 640,
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Title = AppMetadata.GetWindowTitle(),
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};
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_mainWindow.Opened += (_, _) =>
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{
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RegisterHotkey();
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_keyboardHandler?.Start();
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};
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_mainWindow.Closing += (_, e) =>
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{
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if (_isExitRequested)
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{
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return;
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}
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e.Cancel = true;
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_mainWindow.Hide();
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};
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desktop.MainWindow = _mainWindow;
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desktop.Exit += async (s, e) =>
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{
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_keyboardHandler?.Dispose();
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_keyboardHandler = null;
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if (_isHotkeyRegistered)
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{
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_hotKeyService?.UnregisterHotKey();
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_isHotkeyRegistered = false;
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}
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if (_hotKeyService is IDisposable disposableHotKeyService)
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{
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disposableHotKeyService.Dispose();
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}
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if (_webServer != null)
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{
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await _webServer.StopAsync();
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}
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};
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}
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base.OnFrameworkInitializationCompleted();
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}
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private void ExitApplication(IClassicDesktopStyleApplicationLifetime desktop)
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{
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_isExitRequested = true;
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desktop.Shutdown();
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}
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private void ShowMainWindow()
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{
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if (_mainWindow == null) return;
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if (!_mainWindow.IsVisible)
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{
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_mainWindow.Show();
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}
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if (_mainWindow.WindowState == WindowState.Minimized)
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{
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_mainWindow.WindowState = WindowState.Normal;
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}
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_mainWindow.Activate();
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}
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private void RegisterHotkey()
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{
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if (_hotKeyService == null || _hotKeySettingsService == null) return;
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var config = _hotKeyConfig ?? _hotKeySettingsService.GetConfig();
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_hotKeyConfig = config;
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if (_hotKeyService.IsSupported && config.IsEnabled)
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{
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_hotKeyService.RegisterHotKey(config.Modifiers, config.Key, () =>
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{
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Dispatcher.UIThread.Post(ShowMainWindow);
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});
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_isHotkeyRegistered = true;
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}
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config.PropertyChanged -= OnHotKeyConfigPropertyChanged;
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config.PropertyChanged += OnHotKeyConfigPropertyChanged;
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}
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private void OnHotKeyConfigPropertyChanged(object? sender, PropertyChangedEventArgs e)
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{
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if (_hotKeyService == null || _hotKeySettingsService == null || _hotKeyConfig == null) return;
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if (e.PropertyName != nameof(HotKeyConfig.Modifiers) &&
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e.PropertyName != nameof(HotKeyConfig.Key) &&
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e.PropertyName != nameof(HotKeyConfig.IsEnabled))
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{
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return;
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}
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_hotKeySettingsService.SaveConfig(_hotKeyConfig);
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if (_hotKeyConfig.IsEnabled && _hotKeyService.IsSupported)
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{
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_hotKeyService.UpdateHotKey(_hotKeyConfig.Modifiers, _hotKeyConfig.Key);
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_isHotkeyRegistered = true;
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}
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else
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{
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_hotKeyService.UnregisterHotKey();
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_isHotkeyRegistered = false;
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}
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}
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private void DisableAvaloniaDataAnnotationValidation()
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{
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var dataValidationPluginsToRemove =
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BindingPlugins.DataValidators.OfType<DataAnnotationsValidationPlugin>().ToArray();
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foreach (var plugin in dataValidationPluginsToRemove)
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{
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BindingPlugins.DataValidators.Remove(plugin);
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}
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}
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}
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