LehrerApp/LehrerApp.Desktop/Views/MainWindow.axaml.cs

using Avalonia.Controls;
using Avalonia.Input;
using LehrerApp.Desktop.ViewModels;

namespace LehrerApp.Desktop.Views;

public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();
        PointerMoved   += (_, _) => NotifyActivity();
        PointerPressed += (_, _) => NotifyActivity();
        KeyDown        += (_, _) => NotifyActivity();
    }

    private void NotifyActivity()
    {
        if (DataContext is MainWindowViewModel vm) vm.AppLock.NotifyActivity();
    }

    private void OnLockScreenKeyDown(object? sender, KeyEventArgs e)
    {
        if (e.Key == Key.Enter && DataContext is MainWindowViewModel vm)
            vm.AppLock.UnlockCommand.Execute(null);
    }
}