Add context menu to beatmap set header

osu.Game/Beatmaps/Drawables/BeatmapGroup.cs

@@ -23,6 +23,8 @@ namespace osu.Game.Beatmaps.Drawables
         /// </summary>
         public Action<BeatmapInfo> StartRequested;
 
+        public Action<WorkingBeatmap> DeleteRequested;
+
         public BeatmapSetHeader Header;
 
         private BeatmapGroupState state;
@@ -66,6 +68,7 @@ namespace osu.Game.Beatmaps.Drawables
             Header = new BeatmapSetHeader(beatmap)
             {
                 GainedSelection = headerGainedSelection,
+                DeleteRequested = b => DeleteRequested(b),
                 RelativeSizeAxes = Axes.X,
             };
 

osu.Game/Beatmaps/Drawables/BeatmapSetHeader.cs

@@ -9,16 +9,22 @@ using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Colour;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Cursor;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Localisation;
 using osu.Game.Graphics.Sprites;
 using osu.Framework.Graphics.Shapes;
+using osu.Framework.Graphics.UserInterface;
+using osu.Game.Graphics.UserInterface;
 
 namespace osu.Game.Beatmaps.Drawables
 {
-    public class BeatmapSetHeader : Panel
+    public class BeatmapSetHeader : Panel, IHasContextMenu
     {
         public Action<BeatmapSetHeader> GainedSelection;
+
+        public Action<WorkingBeatmap> DeleteRequested;
+
         private readonly SpriteText title;
         private readonly SpriteText artist;
 
@@ -148,5 +154,20 @@ namespace osu.Game.Beatmaps.Drawables
             foreach (var p in panels)
                 difficultyIcons.Add(new DifficultyIcon(p.Beatmap));
         }
+
+        public MenuItem[] ContextMenuItems
+        {
+            get
+            {
+                List<MenuItem> items = new List<MenuItem>();
+
+                if (State == PanelSelectedState.NotSelected)
+                    items.Add(new OsuMenuItem("Expand", MenuItemType.Highlighted, () => State = PanelSelectedState.Selected));
+
+                items.Add(new OsuMenuItem("Delete", MenuItemType.Destructive, () => DeleteRequested?.Invoke(beatmap)));
+
+                return items.ToArray();
+            }
+        }
     }
 }

osu.Game/Screens/Select/BeatmapCarousel.cs

@@ -140,6 +140,8 @@ namespace osu.Game.Screens.Select
 
         public Action StartRequested;
 
+        public Action<WorkingBeatmap> DeleteRequested;
+
         public void SelectNext(int direction = 1, bool skipDifficulties = true)
         {
             if (groups.All(g => g.State == BeatmapGroupState.Hidden))
@@ -305,6 +307,7 @@ namespace osu.Game.Screens.Select
             {
                 SelectionChanged = (g, p) => selectGroup(g, p),
                 StartRequested = b => StartRequested?.Invoke(),
+                DeleteRequested = b => DeleteRequested?.Invoke(b),
                 State = BeatmapGroupState.Collapsed
             };
         }

osu.Game/Screens/Select/SongSelect.cs

@@ -106,6 +106,7 @@ namespace osu.Game.Screens.Select
                 Origin = Anchor.CentreRight,
                 SelectionChanged = carouselSelectionChanged,
                 BeatmapsChanged = carouselBeatmapsLoaded,
+                DeleteRequested = b => promptDelete(b),
                 StartRequested = () => carouselRaisedStart(),
             });
             Add(FilterControl = new FilterControl
@@ -163,7 +164,7 @@ namespace osu.Game.Screens.Select
                 Footer.AddButton(@"random", colours.Green, triggerRandom, Key.F2);
                 Footer.AddButton(@"options", colours.Blue, BeatmapOptions.ToggleVisibility, Key.F3);
 
-                BeatmapOptions.AddButton(@"Delete", @"Beatmap", FontAwesome.fa_trash, colours.Pink, promptDelete, Key.Number4, float.MaxValue);
+                BeatmapOptions.AddButton(@"Delete", @"Beatmap", FontAwesome.fa_trash, colours.Pink, () => promptDelete(Beatmap), Key.Number4, float.MaxValue);
             }
 
             if (manager == null)
@@ -389,10 +390,12 @@ namespace osu.Game.Screens.Select
                 Beatmap.SetDefault();
         }
 
-        private void promptDelete()
+        private void promptDelete(WorkingBeatmap beatmap)
         {
-            if (Beatmap != null && !Beatmap.IsDefault)
+            if (beatmap == null)
-                dialogOverlay?.Push(new BeatmapDeleteDialog(Beatmap));
+                return;
+
+            dialogOverlay?.Push(new BeatmapDeleteDialog(beatmap));
         }
 
         protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
@@ -408,7 +411,8 @@ namespace osu.Game.Screens.Select
                 case Key.Delete:
                     if (state.Keyboard.ShiftPressed)
                     {
-                        promptDelete();
+                        if (!Beatmap.IsDefault)
+                            promptDelete(Beatmap);
                         return true;
                     }
                     break;