| 1 | using Avalonia.Controls; |
| 2 | using Avalonia.Input; |
| 3 | using Avalonia.Interactivity; |
| 4 | using CascadeIDE.Models.Shell; |
| 5 | using System.ComponentModel; |
| 6 | |
| 7 | namespace CascadeIDE.Views; |
| 8 | |
| 9 | /// <summary>Второй <c>TopLevel</c> под зону Mfd: только <see cref="MfdShellView"/> (вторичный контур). Дерево и прочий UI — контент страниц внутри shell, не дублирование колонки главного окна в этом хосте — ADR 0017 п. 8.</summary> |
| 10 | public partial class MfdHostWindow : PointerTrackingWindow |
| 11 | { |
| 12 | private INotifyPropertyChanged? _boundVm; |
| 13 | private CockpitSkiaSceneRenderer? _renderer; |
| 14 | |
| 15 | public MfdHostWindow() |
| 16 | { |
| 17 | InitializeComponent(); |
| 18 | AddHandler(InputElement.KeyDownEvent, OnTunnelKeyDown, RoutingStrategies.Tunnel, handledEventsToo: true); |
| 19 | DataContextChanged += OnDataContextChanged; |
| 20 | Activated += OnActivated; |
| 21 | Closed += (_, _) => |
| 22 | { |
| 23 | if (_boundVm is not null) |
| 24 | _boundVm.PropertyChanged -= OnVmPropertyChanged; |
| 25 | _boundVm = null; |
| 26 | }; |
| 27 | } |
| 28 | |
| 29 | private void OnTunnelKeyDown(object? sender, KeyEventArgs e) |
| 30 | { |
| 31 | if (DataContext is not ViewModels.MainWindowViewModel vm) |
| 32 | return; |
| 33 | vm.CommandPaletteHost = CommandPaletteHost.MfdHost; |
| 34 | MainWindowHotkeyService.TryHandleTunnelKeyDownFromWindow(nameof(MfdHostWindow), e, vm); |
| 35 | } |
| 36 | |
| 37 | private void OnActivated(object? sender, EventArgs e) |
| 38 | { |
| 39 | if (DataContext is ViewModels.MainWindowViewModel vm) |
| 40 | vm.CommandPaletteHost = CommandPaletteHost.MfdHost; |
| 41 | } |
| 42 | |
| 43 | private void OnDataContextChanged(object? sender, EventArgs e) |
| 44 | { |
| 45 | if (_boundVm is not null) |
| 46 | _boundVm.PropertyChanged -= OnVmPropertyChanged; |
| 47 | |
| 48 | _boundVm = DataContext as INotifyPropertyChanged; |
| 49 | if (_boundVm is not null) |
| 50 | _boundVm.PropertyChanged += OnVmPropertyChanged; |
| 51 | |
| 52 | if (this.FindControl<SkiaHost>("MfdHostSkiaHost") is { } host) |
| 53 | { |
| 54 | _renderer ??= new CockpitSkiaSceneRenderer( |
| 55 | () => DataContext as ViewModels.MainWindowViewModel, |
| 56 | SkiaHostSurface.MfdHostWindow); |
| 57 | host.Renderer = _renderer; |
| 58 | host.InvalidateVisual(); |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | private void OnVmPropertyChanged(object? sender, PropertyChangedEventArgs e) |
| 63 | { |
| 64 | if (!MainWindow.IsSkiaHostRelatedProperty(e.PropertyName)) |
| 65 | return; |
| 66 | |
| 67 | if (this.FindControl<SkiaHost>("MfdHostSkiaHost") is { } host) |
| 68 | host.InvalidateVisual(); |
| 69 | } |
| 70 | } |
| 71 | |