Initial first version.

src/EbbesMemeClipboard/App.xaml.cs

@@ -0,0 +1,73 @@
+using System.Windows;
+using System.Windows.Input;
+using EbbesMemeClipboard.Services;
+using EbbesMemeClipboard.ViewModels;
+using EbbesMemeClipboard.Views;
+using H.NotifyIcon;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace EbbesMemeClipboard;
+
+public partial class App : Application
+{
+    private static readonly ModifierKeys DefaultHotkeyModifiers = ModifierKeys.Control | ModifierKeys.Alt;
+    private const Key DefaultHotkeyKey = Key.M;
+
+    private IServiceProvider _services = null!;
+    private IGlobalHotkeyService _hotkeyService = null!;
+    private PickerWindow _pickerWindow = null!;
+    private PickerViewModel _pickerViewModel = null!;
+    private TaskbarIcon? _trayIcon;
+
+    protected override void OnStartup(StartupEventArgs e)
+    {
+        base.OnStartup(e);
+        ShutdownMode = ShutdownMode.OnExplicitShutdown;
+
+        var services = new ServiceCollection();
+        services.AddSingleton<ILocalMemeLibraryService, LocalMemeLibraryService>();
+        services.AddSingleton<IClipboardService, ClipboardService>();
+        services.AddSingleton<IGlobalHotkeyService, GlobalHotkeyService>();
+        services.AddSingleton<PickerViewModel>();
+        services.AddSingleton<PickerWindow>();
+        _services = services.BuildServiceProvider();
+
+        _pickerViewModel = _services.GetRequiredService<PickerViewModel>();
+        _pickerWindow = _services.GetRequiredService<PickerWindow>();
+
+        _trayIcon = (TaskbarIcon)Resources["TrayIcon"];
+        _trayIcon.TrayLeftMouseUp += (_, _) => _pickerWindow.ToggleVisibility();
+
+        _hotkeyService = _services.GetRequiredService<IGlobalHotkeyService>();
+        if (_hotkeyService.Register(DefaultHotkeyModifiers, DefaultHotkeyKey))
+        {
+            _hotkeyService.HotkeyPressed += (_, _) => Dispatcher.Invoke(() => _pickerWindow.ToggleVisibility());
+        }
+        else
+        {
+            MessageBox.Show(
+                "Couldn't register the global hotkey (Ctrl+Alt+M) - it may already be in use by another application. " +
+                "You can still open the picker from the tray icon.",
+                "Ebbe's Meme Clipboard",
+                MessageBoxButton.OK,
+                MessageBoxImage.Warning);
+        }
+    }
+
+    private void TrayOpenPicker_Click(object sender, RoutedEventArgs e) => _pickerWindow.ShowNearCursor();
+
+    private async void TrayAddMemes_Click(object sender, RoutedEventArgs e)
+    {
+        _pickerWindow.ShowNearCursor();
+        await _pickerViewModel.ImportFilesCommand.ExecuteAsync(null);
+    }
+
+    private void TrayExit_Click(object sender, RoutedEventArgs e) => Shutdown();
+
+    protected override void OnExit(ExitEventArgs e)
+    {
+        _hotkeyService?.Dispose();
+        _trayIcon?.Dispose();
+        base.OnExit(e);
+    }
+}