macosx: Implement presentation of show library in library window

Signed-off-by: Claudio Cambra <developer@claudiocambra.com>

modules/gui/macosx/library/VLCLibraryWindow.m

@@ -251,6 +251,9 @@ static void addShadow(NSImageView *__unsafe_unretained imageView)
     case VLCLibraryVideoSegment:
         [self showVideoLibrary];
         break;
+    case VLCLibraryShowsVideoSubSegment:
+        [self showShowLibrary];
+        break;
     case VLCLibraryMusicSegment:
     case VLCLibraryArtistsMusicSubSegment:
     case VLCLibraryAlbumsMusicSubSegment:
@@ -338,6 +341,12 @@ static void addShadow(NSImageView *__unsafe_unretained imageView)
     [_libraryVideoViewController presentVideoView];
 }
 
+- (void)showShowLibrary
+{
+    [self.toolbarDelegate layoutForSegment:VLCLibraryShowsVideoSubSegment];
+    [self.libraryVideoViewController presentShowsView];
+}
+
 - (void)showAudioLibrary
 {
     [self.toolbarDelegate layoutForSegment:VLCLibraryMusicSegment];