270 lines
12 KiB
C#
270 lines
12 KiB
C#
using FluidExplorer.Services;
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using FluidExplorer.Services.Operations;
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using FluidExplorer.ViewModels;
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using Microsoft.UI;
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using Microsoft.UI.Windowing;
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using Microsoft.UI.Xaml;
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using Microsoft.UI.Xaml.Controls;
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using Microsoft.UI.Xaml.Input;
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using Microsoft.UI.Xaml.Media;
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using Windows.Graphics;
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using Windows.System;
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namespace FluidExplorer;
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public sealed partial class MainWindow : Window
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{
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private readonly AppServices _services;
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private readonly AppSettings _settings;
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public MainWindow(AppServices services)
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{
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_services = services;
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_settings = services.Settings;
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ViewModel = services.Main;
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InitializeComponent();
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Shell.ViewModel = ViewModel;
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Title = "文件资源管理器";
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SystemBackdrop = new MicaBackdrop();
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ExtendsContentIntoTitleBar = true;
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SetTitleBar(Shell.DragRegion);
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RestoreWindowPlacement();
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ApplyCaptionButtonColors();
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HookServices();
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Shell.ThemedRoot.ActualThemeChanged += (_, _) => ApplyCaptionButtonColors();
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Shell.SizeChanged += (_, _) => UpdateTitleBarInsets();
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AppWindow.Changed += (_, _) => UpdateTitleBarInsets();
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AppWindow.Closing += OnClosing;
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RegisterAccelerators();
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// 启动：恢复标签页 + 建立索引（都在后台，窗口先出来）
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_ = DispatcherQueue.TryEnqueue(async () => await ViewModel.InitializeAsync());
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}
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public MainViewModel ViewModel { get; }
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public void ShowOperationQueue() => Shell.ShowOperationQueue();
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// ── 窗口外观 ────────────────────────────────────────────────────────────
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private void RestoreWindowPlacement()
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{
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if (!double.IsNaN(_settings.WindowWidth) && _settings.WindowWidth > 400)
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{
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AppWindow.ResizeClient(new SizeInt32((int)_settings.WindowWidth, (int)_settings.WindowHeight));
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}
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if (!double.IsNaN(_settings.WindowLeft) && !double.IsNaN(_settings.WindowTop) && IsOnScreen(_settings.WindowLeft, _settings.WindowTop))
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{
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AppWindow.Move(new PointInt32((int)_settings.WindowLeft, (int)_settings.WindowTop));
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}
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if (_settings.WindowMaximized && AppWindow.Presenter is OverlappedPresenter presenter)
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{
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presenter.Maximize();
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}
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UpdateTitleBarInsets();
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}
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private static bool IsOnScreen(double left, double top)
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{
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var display = DisplayArea.GetFromPoint(new PointInt32((int)left, (int)top), DisplayAreaFallback.Nearest);
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return display is not null && left >= display.WorkArea.X - 40 && top >= display.WorkArea.Y - 40;
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}
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/// <summary>把标签栏右侧的留白让给系统标题栏按钮，保证标签不被按钮压住。</summary>
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private void UpdateTitleBarInsets()
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{
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try
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{
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var scale = Shell.XamlRoot?.RasterizationScale ?? 1.0;
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var rightInset = AppWindow.TitleBar.RightInset / scale;
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if (rightInset < 0) rightInset = 0;
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if (Shell.DragRegion is FrameworkElement region) region.Margin = new Thickness(0, 0, rightInset, 0);
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}
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catch
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{
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// 最小化/全屏切换等瞬态下取不到 TitleBar 信息，忽略
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}
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}
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/// <summary>标题栏按钮颜色跟随当前主题。</summary>
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private void ApplyCaptionButtonColors()
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{
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var titleBar = AppWindow.TitleBar;
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titleBar.ButtonBackgroundColor = Colors.Transparent;
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titleBar.ButtonInactiveBackgroundColor = Colors.Transparent;
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if (Shell.ThemedRoot.ActualTheme == ElementTheme.Dark)
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{
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titleBar.ButtonForegroundColor = Colors.White;
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titleBar.ButtonHoverBackgroundColor = Windows.UI.Color.FromArgb(24, 255, 255, 255);
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titleBar.ButtonHoverForegroundColor = Colors.White;
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titleBar.ButtonPressedBackgroundColor = Windows.UI.Color.FromArgb(48, 255, 255, 255);
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titleBar.ButtonPressedForegroundColor = Windows.UI.Color.FromArgb(200, 255, 255, 255);
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titleBar.ButtonInactiveForegroundColor = Windows.UI.Color.FromArgb(120, 255, 255, 255);
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}
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else
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{
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titleBar.ButtonForegroundColor = Windows.UI.Color.FromArgb(230, 0, 0, 0);
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titleBar.ButtonHoverBackgroundColor = Windows.UI.Color.FromArgb(20, 0, 0, 0);
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titleBar.ButtonHoverForegroundColor = Colors.Black;
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titleBar.ButtonPressedBackgroundColor = Windows.UI.Color.FromArgb(40, 0, 0, 0);
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titleBar.ButtonPressedForegroundColor = Windows.UI.Color.FromArgb(160, 0, 0, 0);
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titleBar.ButtonInactiveForegroundColor = Windows.UI.Color.FromArgb(100, 0, 0, 0);
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}
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}
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/// <summary>主题切换（用户手动指定时覆盖系统跟随）。</summary>
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public void ApplyThemeMode(AppThemeMode mode)
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{
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Shell.ThemedRoot.RequestedTheme = mode switch
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{
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AppThemeMode.Light => ElementTheme.Light,
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AppThemeMode.Dark => ElementTheme.Dark,
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_ => ElementTheme.Default
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};
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}
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// ── 服务接线 ────────────────────────────────────────────────────────────
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private void HookServices()
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{
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_services.Operations.ConflictResolver = ShowConflictDialogAsync;
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ViewModel.ThemeModeChanged += (_, mode) => ApplyThemeMode(mode);
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ViewModel.AnimationsToggled += (_, enabled) =>
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{
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// 关掉动画时禁用所有依赖动画（WinUI 原生总开关，克制且彻底）
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Microsoft.UI.Xaml.Media.Animation.Timeline.AllowDependentAnimations = enabled;
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};
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ViewModel.PropertyChanged += (_, e) =>
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{
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if (e.PropertyName == nameof(MainViewModel.ErrorMessage) && ViewModel.ErrorMessage is { Length: > 0 } message)
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{
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ViewModel.ActivePane?.ReportError(message);
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ViewModel.ErrorMessage = null;
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}
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};
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}
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/// <summary>文件冲突对话框：不弹系统模态框，全部由应用自己处理。</summary>
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private async Task<ConflictResolution> ShowConflictDialogAsync(ConflictInfo info)
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{
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var dialog = new ContentDialog
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{
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XamlRoot = Shell.XamlRoot,
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Title = "目标位置已有同名项目",
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DefaultButton = ContentDialogButton.Primary
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};
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var keepBoth = new RadioButton { Content = "同时保留两个文件（推荐）", IsChecked = true };
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var replace = new RadioButton { Content = "替换目标中的文件" };
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var skip = new RadioButton { Content = "跳过此文件" };
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var applyAll = new CheckBox { Content = "为后续所有冲突执行相同操作" };
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var detail = new StackPanel { Spacing = 8 };
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detail.Children.Add(new TextBlock
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{
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Text = Path.GetFileName(info.SourcePath),
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TextWrapping = TextWrapping.Wrap,
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Style = (Style)Application.Current.Resources["BodyStrongTextBlockStyle"]
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});
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detail.Children.Add(new TextBlock
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{
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Text = $"源：{info.SourcePath}\n{Models.FileEntry.FormatSize(info.SourceSize)} · {info.SourceModifiedUtc.ToLocalTime():yyyy/MM/dd HH:mm}\n\n" +
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$"目标：{info.DestinationPath}\n{Models.FileEntry.FormatSize(info.DestinationSize)} · {info.DestinationModifiedUtc.ToLocalTime():yyyy/MM/dd HH:mm}",
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TextWrapping = TextWrapping.Wrap,
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Style = (Style)Application.Current.Resources["CaptionTextBlockStyle"]
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});
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detail.Children.Add(keepBoth);
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detail.Children.Add(replace);
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detail.Children.Add(skip);
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detail.Children.Add(applyAll);
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dialog.Content = detail;
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dialog.PrimaryButtonText = "继续";
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dialog.CloseButtonText = "取消本次操作";
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var result = await dialog.ShowAsync();
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info.ApplyToAll = applyAll.IsChecked == true;
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if (result != ContentDialogResult.Primary) return ConflictResolution.Cancel;
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if (replace.IsChecked == true) return ConflictResolution.Replace;
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if (skip.IsChecked == true) return ConflictResolution.Skip;
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return ConflictResolution.KeepBoth;
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}
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// ── 快捷键 ──────────────────────────────────────────────────────────────
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private void RegisterAccelerators()
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{
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AddAccelerator(VirtualKey.T, VirtualKeyModifiers.Control, () => ViewModel.NewTabCommand.Execute(null));
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AddAccelerator(VirtualKey.W, VirtualKeyModifiers.Control, () => ViewModel.CloseTabCommand.Execute(ViewModel.SelectedTab));
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AddAccelerator(VirtualKey.Z, VirtualKeyModifiers.Control, () => ViewModel.UndoCommand.Execute(null));
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AddAccelerator(VirtualKey.D, VirtualKeyModifiers.Control | VirtualKeyModifiers.Shift, () => ViewModel.ToggleDualPaneCommand.Execute(null));
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AddAccelerator(VirtualKey.F, VirtualKeyModifiers.Control, () => ViewModel.ActivePane?.RequestSearchFocus());
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AddAccelerator(VirtualKey.Tab, VirtualKeyModifiers.Control, CycleTab);
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}
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private void AddAccelerator(VirtualKey key, VirtualKeyModifiers modifiers, Action action)
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{
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var accelerator = new KeyboardAccelerator { Key = key, Modifiers = modifiers };
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accelerator.Invoked += (_, args) =>
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{
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// 文本输入状态下不抢 Ctrl+Z / Ctrl+F
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if (key is VirtualKey.Z or VirtualKey.F
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&& modifiers == VirtualKeyModifiers.Control
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&& FocusManager.GetFocusedElement(Shell.XamlRoot) is TextBox)
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{
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return;
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}
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args.Handled = true;
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action();
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};
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Shell.ThemedRoot.KeyboardAccelerators.Add(accelerator);
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}
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private void CycleTab()
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{
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if (ViewModel.Tabs.Count < 2 || ViewModel.SelectedTab is null) return;
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var index = ViewModel.Tabs.IndexOf(ViewModel.SelectedTab);
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ViewModel.SelectedTab = ViewModel.Tabs[(index + 1) % ViewModel.Tabs.Count];
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}
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// ── 关闭 ────────────────────────────────────────────────────────────────
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private void OnClosing(AppWindow sender, AppWindowClosingEventArgs args)
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{
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try
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{
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// 有正在进行的复制/移动时不静默退出，避免用户以为文件已搬完
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var hasActiveJob = _services.Operations.Jobs.Any(j => !j.IsFinished);
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if (hasActiveJob && !_settings.KeepWindowOpenDuringOperations)
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{
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args.Cancel = true;
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return;
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}
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ViewModel.SaveOpenTabs();
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// 索引持有卷句柄，退出时显式释放
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foreach (var index in _services.Search.AllIndexes)
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{
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if (index is IDisposable disposable) disposable.Dispose();
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}
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_settings.WindowMaximized = AppWindow.Presenter is OverlappedPresenter { State: OverlappedPresenterState.Maximized };
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if (!_settings.WindowMaximized)
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{
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_settings.WindowLeft = AppWindow.Position.X;
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_settings.WindowTop = AppWindow.Position.Y;
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_settings.WindowWidth = AppWindow.Size.Width;
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_settings.WindowHeight = AppWindow.Size.Height;
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}
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_settings.Save();
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}
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catch
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{
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// 关闭时保存失败不应阻塞退出
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}
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}
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}
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