Enhance VlcVideoView and VideoPlayerView for improved user interaction. Add a named VideoArea panel for better layout management and implement double-tap functionality to toggle full-screen mode. Update event handling in VideoPlayerView to accommodate these changes.

src/PLib.Desktop/Controls/VlcVideoView.cs

@@ -155,6 +155,11 @@ public sealed class VlcVideoView : NativeControlHost
             _player.NsObject = handle.Handle;
         }
 
+        // VLC grabs mouse and keyboard on its own window by default, which swallows every
+        // gesture before Avalonia can see it. We do not need DVD menus, so hand input back.
+        _player.EnableMouseInput = false;
+        _player.EnableKeyInput = false;
+
         _player.Mute = IsMuted;
         _player.Volume = ToVlcVolume(Volume);
         _surfaceReady = true;

src/PLib.Desktop/Views/VideoPlayerView.axaml

@@ -64,7 +64,7 @@
     <!-- VLC paints into a native child window, which sits above the Avalonia surface, so
          the error message lives in its own row instead of on top of the picture. -->
     <Grid Grid.Row="1" RowDefinitions="*,Auto">
-      <Panel Grid.Row="0" Background="Black">
+      <Panel Grid.Row="0" Name="VideoArea" Background="Black">
         <controls:VlcVideoView Name="Player"
                                Source="{Binding Source}"
                                AutoPlay="True"

src/PLib.Desktop/Views/VideoPlayerView.axaml.cs

@@ -43,6 +43,10 @@ public sealed partial class VideoPlayerView : UserControl
 
         VolumeSlider.PropertyChanged += OnVolumeChanged;
 
+        // Handled on the surrounding panel rather than the video itself: the native window
+        // is not part of Avalonia's hit-test tree, so the gesture can only arrive here.
+        VideoArea.DoubleTapped += OnVideoDoubleTapped;
+
         Player.GetObservable(VlcVideoView.PositionProperty).Subscribe(OnPositionChanged);
         Player.GetObservable(VlcVideoView.DurationProperty).Subscribe(OnDurationChanged);
         Player.GetObservable(VlcVideoView.IsPlayingProperty).Subscribe(OnIsPlayingChanged);
@@ -114,6 +118,15 @@ public sealed partial class VideoPlayerView : UserControl
 
     private void OnToggleMute(object? sender, RoutedEventArgs e) => Player.IsMuted = !Player.IsMuted;
 
+    private void OnVideoDoubleTapped(object? sender, TappedEventArgs e)
+    {
+        if (DataContext is VideoPlayerViewModel viewModel)
+        {
+            viewModel.IsFullScreen = !viewModel.IsFullScreen;
+            e.Handled = true;
+        }
+    }
+
     private void OnScrubStarted(object? sender, PointerPressedEventArgs e) => _isScrubbing = true;
 
     private void OnScrubFinished(object? sender, PointerReleasedEventArgs e)