Add proof of concept components list

osu.Game.Tests/Visual/Gameplay/TestSceneSkinEditorComponentsList.cs

@@ -0,0 +1,93 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Diagnostics;
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Graphics.Containers;
+using osu.Game.Graphics.Sprites;
+using osu.Game.Rulesets;
+using osu.Game.Rulesets.Osu;
+using osu.Game.Screens.Play.HUD;
+using osuTK;
+
+namespace osu.Game.Tests.Visual.Gameplay
+{
+    public class TestSceneSkinEditorComponentsList : SkinnableTestScene
+    {
+        [Test]
+        public void TestToggleEditor()
+        {
+            AddStep("show available components", () =>
+            {
+                SetContents(() =>
+                {
+                    FillFlowContainer fill;
+
+                    var scroll = new OsuScrollContainer
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Child = fill = new FillFlowContainer
+                        {
+                            RelativeSizeAxes = Axes.X,
+                            AutoSizeAxes = Axes.Y,
+                            Anchor = Anchor.TopCentre,
+                            Origin = Anchor.TopCentre,
+                            Width = 0.5f,
+                            Direction = FillDirection.Vertical,
+                            Spacing = new Vector2(20)
+                        }
+                    };
+
+                    var skinnableTypes = typeof(OsuGame).Assembly.GetTypes().Where(t => typeof(ISkinnableComponent).IsAssignableFrom(t)).ToArray();
+
+                    foreach (var type in skinnableTypes)
+                    {
+                        try
+                        {
+                            fill.Add(new OsuSpriteText { Text = type.Name });
+
+                            var instance = (Drawable)Activator.CreateInstance(type);
+
+                            Debug.Assert(instance != null);
+
+                            instance.Anchor = Anchor.TopCentre;
+                            instance.Origin = Anchor.TopCentre;
+
+                            var container = new Container
+                            {
+                                RelativeSizeAxes = Axes.X,
+                                Height = 100,
+                                Children = new[]
+                                {
+                                    instance
+                                }
+                            };
+
+                            switch (instance)
+                            {
+                                case IScoreCounter score:
+                                    score.Current.Value = 133773;
+                                    break;
+
+                                case IComboCounter combo:
+                                    combo.Current.Value = 727;
+                                    break;
+                            }
+
+                            fill.Add(container);
+                        }
+                        catch { }
+                    }
+
+                    return scroll;
+                });
+            });
+        }
+
+        protected override Ruleset CreateRulesetForSkinProvider() => new OsuRuleset();
+    }
+}