Introduce common structure for key counters

osu.Game.Rulesets.Osu.Tests/TestSceneOsuTouchInput.cs

@@ -21,7 +21,7 @@
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.Objects.Drawables;
 using osu.Game.Rulesets.Osu.UI.Cursor;
-using osu.Game.Screens.Play;
+using osu.Game.Screens.Play.HUD;
 using osu.Game.Tests.Visual;
 using osuTK;
 using osuTK.Graphics;
@@ -34,9 +34,9 @@ public partial class TestSceneOsuTouchInput : OsuManualInputManagerTestScene
         [Resolved]
         private OsuConfigManager config { get; set; } = null!;
 
-        private TestActionKeyCounter leftKeyCounter = null!;
+        private DefaultKeyCounter leftKeyCounter = null!;
 
-        private TestActionKeyCounter rightKeyCounter = null!;
+        private DefaultKeyCounter rightKeyCounter = null!;
 
         private OsuInputManager osuInputManager = null!;
 
@@ -59,14 +59,14 @@ public void SetUpSteps()
                             Origin = Anchor.Centre,
                             Children = new Drawable[]
                             {
-                                leftKeyCounter = new TestActionKeyCounter(OsuAction.LeftButton)
+                                leftKeyCounter = new DefaultKeyCounter(new TestActionKeyCounterTrigger(OsuAction.LeftButton))
                                 {
                                     Anchor = Anchor.Centre,
                                     Origin = Anchor.CentreRight,
                                     Depth = float.MinValue,
                                     X = -100,
                                 },
-                                rightKeyCounter = new TestActionKeyCounter(OsuAction.RightButton)
+                                rightKeyCounter = new DefaultKeyCounter(new TestActionKeyCounterTrigger(OsuAction.RightButton))
                                 {
                                     Anchor = Anchor.Centre,
                                     Origin = Anchor.CentreLeft,
@@ -562,8 +562,8 @@ private void checkPosition(TouchSource touchSource) =>
 
         private void assertKeyCounter(int left, int right)
         {
-            AddAssert($"The left key was pressed {left} times", () => leftKeyCounter.CountPresses, () => Is.EqualTo(left));
-            AddAssert($"The right key was pressed {right} times", () => rightKeyCounter.CountPresses, () => Is.EqualTo(right));
+            AddAssert($"The left key was pressed {left} times", () => leftKeyCounter.CountPresses.Value, () => Is.EqualTo(left));
+            AddAssert($"The right key was pressed {right} times", () => rightKeyCounter.CountPresses.Value, () => Is.EqualTo(right));
         }
 
         private void releaseAllTouches()
@@ -579,11 +579,11 @@ private void releaseAllTouches()
         private void checkNotPressed(OsuAction action) => AddAssert($"Not pressing {action}", () => !osuInputManager.PressedActions.Contains(action));
         private void checkPressed(OsuAction action) => AddAssert($"Is pressing {action}", () => osuInputManager.PressedActions.Contains(action));
 
-        public partial class TestActionKeyCounter : KeyCounter, IKeyBindingHandler<OsuAction>
+        public partial class TestActionKeyCounterTrigger : InputTrigger, IKeyBindingHandler<OsuAction>
         {
             public OsuAction Action { get; }
 
-            public TestActionKeyCounter(OsuAction action)
+            public TestActionKeyCounterTrigger(OsuAction action)
                 : base(action.ToString())
             {
                 Action = action;
@@ -593,16 +593,16 @@ public bool OnPressed(KeyBindingPressEvent<OsuAction> e)
             {
                 if (e.Action == Action)
                 {
-                    IsLit = true;
-                    Increment();
+                    Activate();
                 }
 
                 return false;
             }
 
             public void OnReleased(KeyBindingReleaseEvent<OsuAction> e)
             {
-                if (e.Action == Action) IsLit = false;
+                if (e.Action == Action)
+                    Deactivate();
             }
         }
 

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

@@ -35,14 +35,14 @@ protected override void AddCheckSteps()
             var referenceBeatmap = CreateBeatmap(new OsuRuleset().RulesetInfo);
 
             AddUntilStep("score above zero", () => Player.ScoreProcessor.TotalScore.Value > 0);
-            AddUntilStep("key counter counted keys", () => Player.HUDOverlay.KeyCounter.Children.Any(kc => kc.CountPresses > 2));
+            AddUntilStep("key counter counted keys", () => Player.HUDOverlay.KeyCounter.Counters.Any(kc => kc.CountPresses.Value > 2));
 
             seekTo(referenceBeatmap.Breaks[0].StartTime);
-            AddAssert("keys not counting", () => !Player.HUDOverlay.KeyCounter.IsCounting);
+            AddAssert("keys not counting", () => !Player.HUDOverlay.KeyCounter.IsCounting.Value);
             AddAssert("overlay displays 100% accuracy", () => Player.BreakOverlay.ChildrenOfType<BreakInfo>().Single().AccuracyDisplay.Current.Value == 1);
 
             AddStep("rewind", () => Player.GameplayClockContainer.Seek(-80000));
-            AddUntilStep("key counter reset", () => Player.HUDOverlay.KeyCounter.Children.All(kc => kc.CountPresses == 0));
+            AddUntilStep("key counter reset", () => Player.HUDOverlay.KeyCounter.Counters.All(kc => kc.CountPresses.Value == 0));
 
             seekTo(referenceBeatmap.HitObjects[^1].GetEndTime());
             AddUntilStep("results displayed", () => getResultsScreen()?.IsLoaded == true);

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

@@ -31,11 +31,11 @@ public void TestNoJudgementsOnRewind()
             AddUntilStep("wait for track to start running", () => Beatmap.Value.Track.IsRunning);
             addSeekStep(3000);
             AddAssert("all judged", () => Player.DrawableRuleset.Playfield.AllHitObjects.All(h => h.Judged));
-            AddUntilStep("key counter counted keys", () => Player.HUDOverlay.KeyCounter.Children.Select(kc => kc.CountPresses).Sum() == 15);
+            AddUntilStep("key counter counted keys", () => Player.HUDOverlay.KeyCounter.Counters.Select(kc => kc.CountPresses.Value).Sum() == 15);
             AddStep("clear results", () => Player.Results.Clear());
             addSeekStep(0);
             AddAssert("none judged", () => Player.DrawableRuleset.Playfield.AllHitObjects.All(h => !h.Judged));
-            AddUntilStep("key counters reset", () => Player.HUDOverlay.KeyCounter.Children.All(kc => kc.CountPresses == 0));
+            AddUntilStep("key counters reset", () => Player.HUDOverlay.KeyCounter.Counters.All(kc => kc.CountPresses.Value == 0));
             AddAssert("no results triggered", () => Player.Results.Count == 0);
         }
 

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

@@ -8,7 +8,6 @@
 using osu.Framework.Allocation;
 using osu.Framework.Extensions.ObjectExtensions;
 using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
 using osu.Framework.Testing;
 using osu.Framework.Timing;
 using osu.Game.Configuration;
@@ -45,7 +44,7 @@ public partial class TestSceneHUDOverlay : OsuManualInputManagerTestScene
 
         // best way to check without exposing.
         private Drawable hideTarget => hudOverlay.KeyCounter;
-        private FillFlowContainer<KeyCounter> keyCounterFlow => hudOverlay.KeyCounter.ChildrenOfType<FillFlowContainer<KeyCounter>>().First();
+        private Drawable keyCounterFlow => (Drawable)hudOverlay.KeyCounter.Counters;
 
         [BackgroundDependencyLoader]
         private void load()
@@ -267,7 +266,7 @@ private void createNew(Action<HUDOverlay>? action = null)
                 hudOverlay = new HUDOverlay(null, Array.Empty<Mod>());
 
                 // Add any key just to display the key counter visually.
-                hudOverlay.KeyCounter.Add(new KeyCounterKeyboard(Key.Space));
+                hudOverlay.KeyCounter.AddTrigger(new KeyCounterKeyboardTrigger(Key.Space));
 
                 scoreProcessor.Combo.Value = 1;
 

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

@@ -7,7 +7,7 @@
 using NUnit.Framework;
 using osu.Framework.Graphics;
 using osu.Framework.Utils;
-using osu.Game.Screens.Play;
+using osu.Game.Screens.Play.HUD;
 using osuTK.Input;
 
 namespace osu.Game.Tests.Visual.Gameplay
@@ -17,41 +17,42 @@ public partial class TestSceneKeyCounter : OsuManualInputManagerTestScene
     {
         public TestSceneKeyCounter()
         {
-            KeyCounterKeyboard testCounter;
-
-            KeyCounterDisplay kc = new KeyCounterDisplay
+            KeyCounterDisplay kc = new DefaultKeyCounterDisplay
             {
                 Origin = Anchor.Centre,
                 Anchor = Anchor.Centre,
-                Children = new KeyCounter[]
-                {
-                    testCounter = new KeyCounterKeyboard(Key.X),
-                    new KeyCounterKeyboard(Key.X),
-                    new KeyCounterMouse(MouseButton.Left),
-                    new KeyCounterMouse(MouseButton.Right),
-                },
             };
 
+            kc.AddTriggerRange(new InputTrigger[]
+            {
+                new KeyCounterKeyboardTrigger(Key.X),
+                new KeyCounterKeyboardTrigger(Key.X),
+                new KeyCounterMouseTrigger(MouseButton.Left),
+                new KeyCounterMouseTrigger(MouseButton.Right),
+            });
+
+            var testCounter = (DefaultKeyCounter)kc.Counters.First();
+
             AddStep("Add random", () =>
             {
                 Key key = (Key)((int)Key.A + RNG.Next(26));
-                kc.Add(new KeyCounterKeyboard(key));
+                kc.AddTrigger(new KeyCounterKeyboardTrigger(key));
             });
 
-            Key testKey = ((KeyCounterKeyboard)kc.Children.First()).Key;
+            Key testKey = ((KeyCounterKeyboardTrigger)kc.Counters.First().Trigger).Key;
 
             void addPressKeyStep()
             {
                 AddStep($"Press {testKey} key", () => InputManager.Key(testKey));
             }
 
             addPressKeyStep();
-            AddAssert($"Check {testKey} counter after keypress", () => testCounter.CountPresses == 1);
+            AddAssert($"Check {testKey} counter after keypress", () => testCounter.CountPresses.Value == 1);
             addPressKeyStep();
-            AddAssert($"Check {testKey} counter after keypress", () => testCounter.CountPresses == 2);
-            AddStep("Disable counting", () => testCounter.IsCounting = false);
+            AddAssert($"Check {testKey} counter after keypress", () => testCounter.CountPresses.Value == 2);
+            AddStep("Disable counting", () => testCounter.IsCounting.Value = false);
             addPressKeyStep();
-            AddAssert($"Check {testKey} count has not changed", () => testCounter.CountPresses == 2);
+            AddAssert($"Check {testKey} count has not changed", () => testCounter.CountPresses.Value == 2);
 
             Add(kc);
         }

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

@@ -27,7 +27,7 @@ protected override Player CreatePlayer(Ruleset ruleset)
         protected override void AddCheckSteps()
         {
             AddUntilStep("score above zero", () => ((ScoreAccessibleReplayPlayer)Player).ScoreProcessor.TotalScore.Value > 0);
-            AddUntilStep("key counter counted keys", () => ((ScoreAccessibleReplayPlayer)Player).HUDOverlay.KeyCounter.Children.Any(kc => kc.CountPresses > 0));
+            AddUntilStep("key counter counted keys", () => ((ScoreAccessibleReplayPlayer)Player).HUDOverlay.KeyCounter.Counters.Any(kc => kc.CountPresses.Value > 0));
             AddAssert("cannot fail", () => !((ScoreAccessibleReplayPlayer)Player).AllowFail);
         }
 

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

@@ -14,6 +14,7 @@
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Screens.Edit;
 using osu.Game.Screens.Play;
+using osu.Game.Screens.Play.HUD;
 using osu.Game.Tests.Gameplay;
 using osuTK.Input;
 
@@ -57,7 +58,7 @@ public void SetUpSteps()
                     };
 
                     // Add any key just to display the key counter visually.
-                    hudOverlay.KeyCounter.Add(new KeyCounterKeyboard(Key.Space));
+                    hudOverlay.KeyCounter.AddTrigger(new KeyCounterKeyboardTrigger(Key.Space));
                     scoreProcessor.Combo.Value = 1;
 
                     return new Container

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

@@ -10,14 +10,13 @@
 using osu.Framework.Allocation;
 using osu.Framework.Extensions.IEnumerableExtensions;
 using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Testing;
 using osu.Framework.Timing;
 using osu.Game.Rulesets;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Osu;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Screens.Play;
+using osu.Game.Screens.Play.HUD;
 using osu.Game.Tests.Gameplay;
 using osuTK.Input;
 
@@ -43,7 +42,7 @@ public partial class TestSceneSkinnableHUDOverlay : SkinnableTestScene
 
         // best way to check without exposing.
         private Drawable hideTarget => hudOverlay.KeyCounter;
-        private FillFlowContainer<KeyCounter> keyCounterFlow => hudOverlay.KeyCounter.ChildrenOfType<FillFlowContainer<KeyCounter>>().First();
+        private Drawable keyCounterFlow => (Drawable)hudOverlay.KeyCounter.Counters;
 
         [Test]
         public void TestComboCounterIncrementing()
@@ -88,7 +87,7 @@ private void createNew(Action<HUDOverlay> action = null)
                     hudOverlay = new HUDOverlay(null, Array.Empty<Mod>());
 
                     // Add any key just to display the key counter visually.
-                    hudOverlay.KeyCounter.Add(new KeyCounterKeyboard(Key.Space));
+                    hudOverlay.KeyCounter.AddTrigger(new KeyCounterKeyboardTrigger(Key.Space));
 
                     action?.Invoke(hudOverlay);
 

osu.Game.Tests/Visual/Navigation/TestSceneChangeAndUseGameplayBindings.cs

@@ -14,6 +14,7 @@
 using osu.Game.Input.Bindings;
 using osu.Game.Overlays.Settings.Sections.Input;
 using osu.Game.Screens.Play;
+using osu.Game.Screens.Play.HUD;
 using osu.Game.Screens.Select;
 using osu.Game.Tests.Beatmaps.IO;
 using osuTK.Input;
@@ -69,10 +70,10 @@ public void TestGameplayKeyBindings()
             AddUntilStep("wait for gameplay", () => player?.IsBreakTime.Value == false);
 
             AddStep("press 'z'", () => InputManager.Key(Key.Z));
-            AddAssert("key counter didn't increase", () => keyCounter.CountPresses == 0);
+            AddAssert("key counter didn't increase", () => keyCounter.CountPresses.Value == 0);
 
             AddStep("press 's'", () => InputManager.Key(Key.S));
-            AddAssert("key counter did increase", () => keyCounter.CountPresses == 1);
+            AddAssert("key counter did increase", () => keyCounter.CountPresses.Value == 1);
         }
 
         private KeyBindingsSubsection osuBindingSubsection => keyBindingPanel

osu.Game/Rulesets/UI/DrawableRuleset.cs

@@ -30,6 +30,7 @@
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Scoring;
 using osu.Game.Screens.Play;
+using osu.Game.Screens.Play.HUD;
 using osu.Game.Screens.Play.HUD.ClicksPerSecond;
 using osuTK;
 

osu.Game/Rulesets/UI/RulesetInputManager.cs

@@ -19,7 +19,7 @@
 using osu.Game.Input.Bindings;
 using osu.Game.Input.Handlers;
 using osu.Game.Rulesets.Scoring;
-using osu.Game.Screens.Play;
+using osu.Game.Screens.Play.HUD;
 using osu.Game.Screens.Play.HUD.ClicksPerSecond;
 using static osu.Game.Input.Handlers.ReplayInputHandler;
 
@@ -162,11 +162,11 @@ public void Attach(KeyCounterDisplay keyCounter)
             KeyBindingContainer.Add(receptor);
 
             keyCounter.SetReceptor(receptor);
-            keyCounter.AddRange(KeyBindingContainer.DefaultKeyBindings
-                                                   .Select(b => b.GetAction<T>())
-                                                   .Distinct()
-                                                   .OrderBy(action => action)
-                                                   .Select(action => new KeyCounterAction<T>(action)));
+            keyCounter.AddTriggerRange(KeyBindingContainer.DefaultKeyBindings
+                                                          .Select(b => b.GetAction<T>())
+                                                          .Distinct()
+                                                          .OrderBy(action => action)
+                                                          .Select(action => new KeyCounterActionTrigger<T>(action)));
         }
 
         private partial class ActionReceptor : KeyCounterDisplay.Receptor, IKeyBindingHandler<T>
@@ -176,11 +176,14 @@ public ActionReceptor(KeyCounterDisplay target)
             {
             }
 
-            public bool OnPressed(KeyBindingPressEvent<T> e) => Target.Children.OfType<KeyCounterAction<T>>().Any(c => c.OnPressed(e.Action, Clock.Rate >= 0));
+            public bool OnPressed(KeyBindingPressEvent<T> e) => Target.Counters.Where(c => c.Trigger is KeyCounterActionTrigger<T>)
+                                                                      .Select(c => (KeyCounterActionTrigger<T>)c.Trigger)
+                                                                      .Any(c => c.OnPressed(e.Action, Clock.Rate >= 0));
 
             public void OnReleased(KeyBindingReleaseEvent<T> e)
             {
-                foreach (var c in Target.Children.OfType<KeyCounterAction<T>>())
+                foreach (var c
+                         in Target.Counters.Where(c => c.Trigger is KeyCounterActionTrigger<T>).Select(c => (KeyCounterActionTrigger<T>)c.Trigger))
                     c.OnReleased(e.Action, Clock.Rate >= 0);
             }
         }