Merge remote-tracking branch 'origin/master' into playfield-scaling-rework

# Conflicts:
#	osu.Game.Rulesets.Catch/UI/CatchPlayfield.cs
#	osu.Game/Rulesets/UI/Scrolling/ScrollingPlayfield.cs

appveyor_deploy.yml

@@ -10,8 +10,8 @@ before_build:
   - cmd: nuget restore -verbosity quiet
 build_script:
   - ps: iex ((New-Object Net.WebClient).DownloadString('https://raw.githubusercontent.com/appveyor/secure-file/master/install.ps1'))
-  - appveyor DownloadFile https://puu.sh/A6g5K/4d08705438.enc # signing certificate
+  - appveyor DownloadFile https://puu.sh/BCrS8/7faccf7876.enc # signing certificate
-  - cmd: appveyor-tools\secure-file -decrypt 4d08705438.enc -secret %decode_secret% -out %HOMEPATH%\deanherbert.pfx
+  - cmd: appveyor-tools\secure-file -decrypt 7faccf7876.enc -secret %decode_secret% -out %HOMEPATH%\deanherbert.pfx
   - appveyor DownloadFile https://puu.sh/A6g75/fdc6f19b04.enc # deploy configuration
   - cd osu-deploy
   - nuget restore -verbosity quiet

osu.Desktop/Overlays/VersionManager.cs

@@ -27,9 +27,6 @@ namespace osu.Desktop.Overlays
         private NotificationOverlay notificationOverlay;
         private GameHost host;
 
-        public override bool HandleKeyboardInput => false;
-        public override bool HandleMouseInput => false;
-
         [BackgroundDependencyLoader]
         private void load(NotificationOverlay notification, OsuColour colours, TextureStore textures, OsuGameBase game, OsuConfigManager config, GameHost host)
         {

osu.Game.Rulesets.Catch/UI/CatchPlayfield.cs

@@ -5,6 +5,7 @@ using System;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Game.Beatmaps;
+using osu.Game.Configuration;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Catch.Objects.Drawable;
 using osu.Game.Rulesets.Judgements;
@@ -22,6 +23,8 @@ namespace osu.Game.Rulesets.Catch.UI
 
         protected override bool UserScrollSpeedAdjustment => false;
 
+        protected override SpeedChangeVisualisationMethod VisualisationMethod => SpeedChangeVisualisationMethod.Constant;
+
         public CatchPlayfield(BeatmapDifficulty difficulty, Func<CatchHitObject, DrawableHitObject<CatchHitObject>> getVisualRepresentation)
         {
             Direction.Value = ScrollingDirection.Down;
@@ -52,6 +55,8 @@ namespace osu.Game.Rulesets.Catch.UI
                     HitObjectContainer
                 }
             };
+
+            VisibleTimeRange.Value = BeatmapDifficulty.DifficultyRange(difficulty.ApproachRate, 1800, 1200, 450);
         }
 
         public bool CheckIfWeCanCatch(CatchHitObject obj) => catcherArea.AttemptCatch(obj);

osu.Game.Rulesets.Mania/Edit/Layers/Selection/Overlays/HoldNoteMask.cs

@@ -78,7 +78,7 @@ namespace osu.Game.Rulesets.Mania.Edit.Layers.Selection.Overlays
             }
 
             // Todo: This is temporary, since the note masks don't do anything special yet. In the future they will handle input.
-            public override bool HandleMouseInput => false;
+            public override bool HandlePositionalInput => false;
         }
     }
 }

osu.Game.Rulesets.Mania/UI/DrawableManiaJudgement.cs

@@ -30,10 +30,11 @@ namespace osu.Game.Rulesets.Mania.UI
 
             if (Result.IsHit)
             {
-                this.ScaleTo(0.8f);
+                JudgementBody.ScaleTo(0.8f);
-                this.ScaleTo(1, 250, Easing.OutElastic);
+                JudgementBody.ScaleTo(1, 250, Easing.OutElastic);
 
-                this.Delay(50).FadeOut(200).ScaleTo(0.75f, 250);
+                JudgementBody.Delay(50).ScaleTo(0.75f, 250);
+                this.Delay(50).FadeOut(200);
             }
 
             Expire();

osu.Game.Rulesets.Osu/Edit/Layers/Selection/Overlays/SliderCircleMask.cs

@@ -56,6 +56,6 @@ namespace osu.Game.Rulesets.Osu.Edit.Layers.Selection.Overlays
         }
 
         // Todo: This is temporary, since the slider circle masks don't do anything special yet. In the future they will handle input.
-        public override bool HandleMouseInput => false;
+        public override bool HandlePositionalInput => false;
     }
 }

osu.Game.Rulesets.Osu/Edit/Layers/Selection/Overlays/SliderMask.cs

@@ -59,7 +59,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Layers.Selection.Overlays
             body.UpdateProgress(0);
         }
 
-        public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => body.ReceiveMouseInputAt(screenSpacePos);
+        public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => body.ReceivePositionalInputAt(screenSpacePos);
 
         public override Vector2 SelectionPoint => ToScreenSpace(OriginPosition);
         public override Quad SelectionQuad => body.PathDrawQuad;

osu.Game.Rulesets.Osu/Objects/Drawables/DrawableSlider.cs

@@ -184,6 +184,6 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
         public Drawable ProxiedLayer => HeadCircle.ApproachCircle;
 
-        public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => Body.ReceiveMouseInputAt(screenSpacePos);
+        public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => Body.ReceivePositionalInputAt(screenSpacePos);
     }
 }

osu.Game.Rulesets.Osu/Objects/Drawables/Pieces/CirclePiece.cs

@@ -12,6 +12,9 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
 {
     public class CirclePiece : Container, IKeyBindingHandler<OsuAction>
     {
+        // IsHovered is used
+        public override bool HandlePositionalInput => true;
+
         public Func<bool> Hit;
 
         public CirclePiece()

osu.Game.Rulesets.Osu/Objects/Drawables/Pieces/SliderBall.cs

@@ -5,11 +5,11 @@ using System.Linq;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 using osu.Game.Rulesets.Objects.Types;
 using OpenTK.Graphics;
 using osu.Game.Skinning;
+using OpenTK;
 
 namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
 {
@@ -102,24 +102,24 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             };
         }
 
-        private InputState lastState;
+        private Vector2? lastScreenSpaceMousePosition;
 
-        protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
+        protected override bool OnMouseDown(MouseDownEvent e)
         {
-            lastState = state;
+            lastScreenSpaceMousePosition = e.ScreenSpaceMousePosition;
-            return base.OnMouseDown(state, args);
+            return base.OnMouseDown(e);
         }
 
-        protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
+        protected override bool OnMouseUp(MouseUpEvent e)
         {
-            lastState = state;
+            lastScreenSpaceMousePosition = e.ScreenSpaceMousePosition;
-            return base.OnMouseUp(state, args);
+            return base.OnMouseUp(e);
         }
 
-        protected override bool OnMouseMove(InputState state)
+        protected override bool OnMouseMove(MouseMoveEvent e)
         {
-            lastState = state;
+            lastScreenSpaceMousePosition = e.ScreenSpaceMousePosition;
-            return base.OnMouseMove(state);
+            return base.OnMouseMove(e);
         }
 
         public override void ClearTransformsAfter(double time, bool propagateChildren = false, string targetMember = null)
@@ -153,10 +153,10 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
 
             if (Time.Current < slider.EndTime)
             {
-                // Make sure to use the base version of ReceiveMouseInputAt so that we correctly check the position.
+                // Make sure to use the base version of ReceivePositionalInputAt so that we correctly check the position.
                 Tracking = canCurrentlyTrack
-                           && lastState != null
+                           && lastScreenSpaceMousePosition.HasValue
-                           && ReceiveMouseInputAt(lastState.Mouse.NativeState.Position)
+                           && ReceivePositionalInputAt(lastScreenSpaceMousePosition.Value)
                            && (drawableSlider?.OsuActionInputManager?.PressedActions.Any(x => x == OsuAction.LeftButton || x == OsuAction.RightButton) ?? false);
             }
         }

osu.Game.Rulesets.Osu/Objects/Drawables/Pieces/SliderBody.cs

@@ -112,7 +112,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             container.Attach(RenderbufferInternalFormat.DepthComponent16);
         }
 
-        public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => path.ReceiveMouseInputAt(screenSpacePos);
+        public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => path.ReceivePositionalInputAt(screenSpacePos);
 
         public void SetRange(double p0, double p1)
         {

osu.Game.Rulesets.Osu/Objects/Drawables/Pieces/SpinnerBackground.cs

@@ -11,9 +11,6 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
 {
     public class SpinnerBackground : CircularContainer, IHasAccentColour
     {
-        public override bool HandleKeyboardInput => false;
-        public override bool HandleMouseInput => false;
-
         protected Box Disc;
 
         public Color4 AccentColour

osu.Game.Rulesets.Osu/Objects/Drawables/Pieces/SpinnerDisc.cs

@@ -4,7 +4,7 @@
 using System;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Graphics;
 using OpenTK;
 using OpenTK.Graphics;
@@ -40,7 +40,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             };
         }
 
-        public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => true;
+        public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => true;
 
         private bool tracking;
         public bool Tracking
@@ -68,10 +68,10 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             }
         }
 
-        protected override bool OnMouseMove(InputState state)
+        protected override bool OnMouseMove(MouseMoveEvent e)
         {
-            mousePosition = Parent.ToLocalSpace(state.Mouse.NativeState.Position);
+            mousePosition = Parent.ToLocalSpace(e.ScreenSpaceMousePosition);
-            return base.OnMouseMove(state);
+            return base.OnMouseMove(e);
         }
 
         private Vector2 mousePosition;

osu.Game.Rulesets.Osu/OsuInputManager.cs

@@ -4,8 +4,7 @@
 using System.Collections.Generic;
 using System.ComponentModel;
 using osu.Framework.Input.Bindings;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 using osu.Game.Rulesets.UI;
 
 namespace osu.Game.Rulesets.Osu
@@ -36,13 +35,11 @@ namespace osu.Game.Rulesets.Osu
             {
             }
 
-            protected override bool OnKeyDown(InputState state, KeyDownEventArgs args) => AllowUserPresses && base.OnKeyDown(state, args);
+            protected override bool Handle(UIEvent e)
-            protected override bool OnKeyUp(InputState state, KeyUpEventArgs args) => AllowUserPresses && base.OnKeyUp(state, args);
+            {
-            protected override bool OnJoystickPress(InputState state, JoystickEventArgs args) => AllowUserPresses && base.OnJoystickPress(state, args);
+                if (!AllowUserPresses) return false;
-            protected override bool OnJoystickRelease(InputState state, JoystickEventArgs args) => AllowUserPresses && base.OnJoystickRelease(state, args);
+                return base.Handle(e);
-            protected override bool OnMouseDown(InputState state, MouseDownEventArgs args) => AllowUserPresses && base.OnMouseDown(state, args);
+            }
-            protected override bool OnMouseUp(InputState state, MouseUpEventArgs args) => AllowUserPresses && base.OnMouseUp(state, args);
-            protected override bool OnScroll(InputState state) => AllowUserPresses && base.OnScroll(state);
         }
     }
 

osu.Game.Rulesets.Osu/UI/Cursor/CursorTrail.cs

@@ -12,7 +12,7 @@ using osu.Framework.Graphics.Primitives;
 using osu.Framework.Graphics.Shaders;
 using osu.Framework.Graphics.Textures;
 using osu.Framework.Input;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Framework.Timing;
 using OpenTK;
 using OpenTK.Graphics;
@@ -76,7 +76,7 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
             }
         }
 
-        public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => true;
+        public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => true;
 
         [BackgroundDependencyLoader]
         private void load(ShaderManager shaders, TextureStore textures)
@@ -117,15 +117,15 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
             timeOffset = Time.Current;
         }
 
-        protected override bool OnMouseMove(InputState state)
+        protected override bool OnMouseMove(MouseMoveEvent e)
         {
-            Vector2 pos = state.Mouse.NativeState.Position;
+            Vector2 pos = e.ScreenSpaceMousePosition;
 
             if (lastPosition == null)
             {
                 lastPosition = pos;
                 resampler.AddPosition(lastPosition.Value);
-                return base.OnMouseMove(state);
+                return base.OnMouseMove(e);
             }
 
             foreach (Vector2 pos2 in resampler.AddPosition(pos))
@@ -147,7 +147,7 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
                 }
             }
 
-            return base.OnMouseMove(state);
+            return base.OnMouseMove(e);
         }
 
         private void addPosition(Vector2 pos)

osu.Game.Rulesets.Osu/UI/Cursor/GameplayCursor.cs

@@ -72,7 +72,7 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
             return false;
         }
 
-        public override bool HandleMouseInput => true; // OverlayContainer will set this false when we go hidden, but we always want to receive input.
+        public override bool HandlePositionalInput => true; // OverlayContainer will set this false when we go hidden, but we always want to receive input.
 
         protected override void PopIn()
         {

osu.Game.Rulesets.Osu/UI/OsuPlayfield.cs

@@ -78,7 +78,8 @@ namespace osu.Game.Rulesets.Osu.UI
             DrawableOsuJudgement explosion = new DrawableOsuJudgement(result, judgedObject)
             {
                 Origin = Anchor.Centre,
-                Position = ((OsuHitObject)judgedObject.HitObject).StackedEndPosition
+                Position = ((OsuHitObject)judgedObject.HitObject).StackedEndPosition,
+                Scale = new Vector2(((OsuHitObject)judgedObject.HitObject).Scale * 1.65f)
             };
 
             judgementLayer.Add(explosion);

osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableHit.cs

@@ -24,6 +24,8 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
 
         private bool validActionPressed;
 
+        private bool pressHandledThisFrame;
+
         protected DrawableHit(Hit hit)
             : base(hit)
         {
@@ -51,6 +53,9 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
 
         public override bool OnPressed(TaikoAction action)
         {
+            if (pressHandledThisFrame)
+                return true;
+
             if (Judged)
                 return false;
 
@@ -62,6 +67,10 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
             if (IsHit)
                 HitAction = action;
 
+            // Regardless of whether we've hit or not, any secondary key presses in the same frame should be discarded
+            // E.g. hitting a non-strong centre as a strong should not fall through and perform a hit on the next note
+            pressHandledThisFrame = true;
+
             return result;
         }
 
@@ -76,6 +85,10 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
         {
             base.Update();
 
+            // The input manager processes all input prior to us updating, so this is the perfect time
+            // for us to remove the extra press blocking, before input is handled in the next frame
+            pressHandledThisFrame = false;
+
             Size = BaseSize * Parent.RelativeChildSize;
         }
 

osu.Game.Rulesets.Taiko/UI/DrawableTaikoJudgement.cs

@@ -31,10 +31,10 @@ namespace osu.Game.Rulesets.Taiko.UI
             switch (Result.Type)
             {
                 case HitResult.Good:
-                    Colour = colours.GreenLight;
+                    JudgementBody.Colour = colours.GreenLight;
                     break;
                 case HitResult.Great:
-                    Colour = colours.BlueLight;
+                    JudgementBody.Colour = colours.BlueLight;
                     break;
             }
         }

osu.Game.Rulesets.Taiko/UI/TaikoPlayfield.cs

@@ -1,23 +1,24 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Framework.Allocation;
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Shapes;
-using osu.Game.Rulesets.Taiko.Objects;
-using OpenTK;
-using OpenTK.Graphics;
-using osu.Game.Rulesets.Taiko.Judgements;
-using osu.Game.Rulesets.Objects.Drawables;
-using osu.Game.Graphics;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Extensions.Color4Extensions;
 using System.Linq;
-using osu.Game.Rulesets.Judgements;
+using osu.Framework.Allocation;
-using osu.Game.Rulesets.Taiko.Objects.Drawables;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
 using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Configuration;
+using osu.Game.Graphics;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.UI;
 using osu.Game.Rulesets.UI.Scrolling;
+using osu.Game.Rulesets.Taiko.Objects;
+using osu.Game.Rulesets.Taiko.Objects.Drawables;
+using osu.Game.Rulesets.Taiko.Judgements;
+using OpenTK;
+using OpenTK.Graphics;
 
 namespace osu.Game.Rulesets.Taiko.UI
 {
@@ -40,6 +41,8 @@ namespace osu.Game.Rulesets.Taiko.UI
 
         protected override bool UserScrollSpeedAdjustment => false;
 
+        protected override SpeedChangeVisualisationMethod VisualisationMethod => SpeedChangeVisualisationMethod.Overlapping;
+
         private readonly Container<HitExplosion> hitExplosionContainer;
         private readonly Container<KiaiHitExplosion> kiaiExplosionContainer;
         private readonly JudgementContainer<DrawableTaikoJudgement> judgementContainer;

osu.Game.Tests/Visual/TestCaseCursors.cs

@@ -7,7 +7,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Cursor;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Framework.MathUtils;
 using osu.Game.Graphics.Cursor;
 using osu.Game.Graphics.Sprites;
@@ -184,7 +184,7 @@ namespace osu.Game.Tests.Visual
         /// </summary>
         /// <param name="cursorContainer">The cursor to check.</param>
         private bool checkAtMouse(CursorContainer cursorContainer)
-            => Precision.AlmostEquals(InputManager.CurrentState.Mouse.NativeState.Position, cursorContainer.ToScreenSpace(cursorContainer.ActiveCursor.DrawPosition));
+            => Precision.AlmostEquals(InputManager.CurrentState.Mouse.Position, cursorContainer.ToScreenSpace(cursorContainer.ActiveCursor.DrawPosition));
 
         private class CustomCursorBox : Container, IProvideCursor
         {
@@ -193,7 +193,7 @@ namespace osu.Game.Tests.Visual
             public CursorContainer Cursor { get; }
             public bool ProvidingUserCursor { get; }
 
-            public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => base.ReceiveMouseInputAt(screenSpacePos) || SmoothTransition && !ProvidingUserCursor;
+            public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => base.ReceivePositionalInputAt(screenSpacePos) || SmoothTransition && !ProvidingUserCursor;
 
             private readonly Box background;
 
@@ -224,16 +224,16 @@ namespace osu.Game.Tests.Visual
                 };
             }
 
-            protected override bool OnHover(InputState state)
+            protected override bool OnHover(HoverEvent e)
             {
                 background.FadeTo(0.4f, 250, Easing.OutQuint);
                 return false;
             }
 
-            protected override void OnHoverLost(InputState state)
+            protected override void OnHoverLost(HoverLostEvent e)
             {
                 background.FadeTo(0.1f, 250);
-                base.OnHoverLost(state);
+                base.OnHoverLost(e);
             }
         }
 

osu.Game/Configuration/OsuConfigManager.cs

@@ -83,8 +83,6 @@ namespace osu.Game.Configuration
 
             Set(OsuSetting.ScoreDisplayMode, ScoringMode.Standardised);
 
-            Set(OsuSetting.SpeedChangeVisualisation, SpeedChangeVisualisationMethod.Sequential);
-
             Set(OsuSetting.IncreaseFirstObjectVisibility, true);
 
             // Update
@@ -143,7 +141,6 @@ namespace osu.Game.Configuration
         ChatDisplayHeight,
         Version,
         ShowConvertedBeatmaps,
-        SpeedChangeVisualisation,
         Skin,
         ScreenshotFormat,
         ScreenshotCaptureMenuCursor,

osu.Game/Configuration/SpeedChangeVisualisationMethod.cs

@@ -10,6 +10,8 @@ namespace osu.Game.Configuration
         [Description("Sequential")]
         Sequential,
         [Description("Overlapping")]
-        Overlapping
+        Overlapping,
+        [Description("Constant")]
+        Constant
     }
 }

osu.Game/Database/ArchiveModelManager.cs

@@ -96,7 +96,8 @@ namespace osu.Game.Database
         private void handleEvent(Action a)
         {
             if (delayingEvents)
-                lock (queuedEvents) queuedEvents.Add(a);
+                lock (queuedEvents)
+                    queuedEvents.Add(a);
             else
                 a.Invoke();
         }
@@ -281,17 +282,19 @@ namespace osu.Game.Database
         /// Is a no-op for already deleted items.
         /// </summary>
         /// <param name="item">The item to delete.</param>
-        public void Delete(TModel item)
+        /// <returns>false if no operation was performed</returns>
+        public bool Delete(TModel item)
         {
             using (ContextFactory.GetForWrite())
             {
                 // re-fetch the model on the import context.
-                var foundModel = queryModel().Include(s => s.Files).ThenInclude(f => f.FileInfo).First(s => s.ID == item.ID);
+                var foundModel = queryModel().Include(s => s.Files).ThenInclude(f => f.FileInfo).FirstOrDefault(s => s.ID == item.ID);
 
-                if (foundModel.DeletePending) return;
+                if (foundModel == null || foundModel.DeletePending) return false;
 
                 if (ModelStore.Delete(foundModel))
                     Files.Dereference(foundModel.Files.Select(f => f.FileInfo).ToArray());
+                return true;
             }
         }
 
@@ -438,6 +441,13 @@ namespace osu.Game.Database
                 return Task.CompletedTask;
             }
 
+            if (!stable.ExistsDirectory(ImportFromStablePath))
+            {
+                // This handles situations like when the user does not have a Skins folder
+                Logger.Log($"No {ImportFromStablePath} folder available in osu!stable installation", LoggingTarget.Information, LogLevel.Error);
+                return Task.CompletedTask;
+            }
+
             return Task.Factory.StartNew(() => Import(stable.GetDirectories(ImportFromStablePath).Select(f => stable.GetFullPath(f)).ToArray()), TaskCreationOptions.LongRunning);
         }
 

osu.Game/Graphics/Backgrounds/Background.cs

@@ -6,7 +6,6 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
-using OpenTK.Graphics;
 
 namespace osu.Game.Graphics.Backgrounds
 {
@@ -28,7 +27,6 @@ namespace osu.Game.Graphics.Backgrounds
                 RelativeSizeAxes = Axes.Both,
                 Anchor = Anchor.Centre,
                 Origin = Anchor.Centre,
-                Colour = Color4.DarkGray,
                 FillMode = FillMode.Fill,
             });
         }

osu.Game/Graphics/Backgrounds/Triangles.cs

@@ -30,10 +30,6 @@ namespace osu.Game.Graphics.Backgrounds
         /// </summary>
         private const float edge_smoothness = 1;
 
-        public override bool HandleKeyboardInput => false;
-        public override bool HandleMouseInput => false;
-
-
         public Color4 ColourLight = Color4.White;
         public Color4 ColourDark = Color4.Black;
 

osu.Game/Graphics/Containers/LinkFlowContainer.cs

@@ -20,8 +20,6 @@ namespace osu.Game.Graphics.Containers
         {
         }
 
-        public override bool HandleMouseInput => true;
-
         private OsuGame game;
 
         private Action showNotImplementedError;

osu.Game/Graphics/Containers/OsuFocusedOverlayContainer.cs

@@ -8,7 +8,7 @@ using osu.Framework.Graphics.Containers;
 using OpenTK;
 using osu.Framework.Configuration;
 using osu.Framework.Input.Bindings;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Audio;
 using osu.Game.Input.Bindings;
 using osu.Game.Overlays;
@@ -22,7 +22,7 @@ namespace osu.Game.Graphics.Containers
 
         protected virtual bool PlaySamplesOnStateChange => true;
 
-        protected override bool BlockPassThroughKeyboard => true;
+        protected override bool BlockNonPositionalInput => true;
 
         private PreviewTrackManager previewTrackManager;
 
@@ -54,20 +54,20 @@ namespace osu.Game.Graphics.Containers
         /// Whether mouse input should be blocked screen-wide while this overlay is visible.
         /// Performing mouse actions outside of the valid extents will hide the overlay.
         /// </summary>
-        public virtual bool BlockScreenWideMouse => BlockPassThroughMouse;
+        public virtual bool BlockScreenWideMouse => BlockPositionalInput;
 
         // receive input outside our bounds so we can trigger a close event on ourselves.
-        public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => BlockScreenWideMouse || base.ReceiveMouseInputAt(screenSpacePos);
+        public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => BlockScreenWideMouse || base.ReceivePositionalInputAt(screenSpacePos);
 
-        protected override bool OnClick(InputState state)
+        protected override bool OnClick(ClickEvent e)
         {
-            if (!base.ReceiveMouseInputAt(state.Mouse.NativeState.Position))
+            if (!base.ReceivePositionalInputAt(e.ScreenSpaceMousePosition))
             {
                 State = Visibility.Hidden;
                 return true;
             }
 
-            return base.OnClick(state);
+            return base.OnClick(e);
         }
 
         public virtual bool OnPressed(GlobalAction action)

osu.Game/Graphics/Containers/OsuHoverContainer.cs

@@ -6,7 +6,7 @@ using OpenTK.Graphics;
 using osu.Framework.Allocation;
 using osu.Framework.Extensions.IEnumerableExtensions;
 using osu.Framework.Graphics;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 
 namespace osu.Game.Graphics.Containers
 {
@@ -18,16 +18,16 @@ namespace osu.Game.Graphics.Containers
 
         protected virtual IEnumerable<Drawable> EffectTargets => new[] { Content };
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             EffectTargets.ForEach(d => d.FadeColour(HoverColour, 500, Easing.OutQuint));
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             EffectTargets.ForEach(d => d.FadeColour(IdleColour, 500, Easing.OutQuint));
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
         }
 
         [BackgroundDependencyLoader]

osu.Game/Graphics/Containers/OsuScrollContainer.cs

@@ -2,8 +2,7 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 using OpenTK.Input;
 
 namespace osu.Game.Graphics.Containers
@@ -21,7 +20,7 @@ namespace osu.Game.Graphics.Containers
         /// </summary>
         public double DistanceDecayOnRightMouseScrollbar = 0.02;
 
-        private bool shouldPerformRightMouseScroll(InputState state) => RightMouseScrollbar && state.Mouse.IsPressed(MouseButton.Right);
+        private bool shouldPerformRightMouseScroll(MouseButtonEvent e) => RightMouseScrollbar && e.Button == MouseButton.Right;
 
         private void scrollToRelative(float value) => ScrollTo(Clamp((value - Scrollbar.DrawSize[ScrollDim] / 2) / Scrollbar.Size[ScrollDim]), true, DistanceDecayOnRightMouseScrollbar);
 
@@ -29,40 +28,40 @@ namespace osu.Game.Graphics.Containers
 
         protected override bool IsDragging => base.IsDragging || mouseScrollBarDragging;
 
-        protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
+        protected override bool OnMouseDown(MouseDownEvent e)
         {
-            if (shouldPerformRightMouseScroll(state))
+            if (shouldPerformRightMouseScroll(e))
             {
-                scrollToRelative(state.Mouse.Position[ScrollDim]);
+                scrollToRelative(e.MousePosition[ScrollDim]);
                 return true;
             }
 
-            return base.OnMouseDown(state, args);
+            return base.OnMouseDown(e);
         }
 
-        protected override bool OnDrag(InputState state)
+        protected override bool OnDrag(DragEvent e)
         {
             if (mouseScrollBarDragging)
             {
-                scrollToRelative(state.Mouse.Position[ScrollDim]);
+                scrollToRelative(e.MousePosition[ScrollDim]);
                 return true;
             }
 
-            return base.OnDrag(state);
+            return base.OnDrag(e);
         }
 
-        protected override bool OnDragStart(InputState state)
+        protected override bool OnDragStart(DragStartEvent e)
         {
-            if (shouldPerformRightMouseScroll(state))
+            if (shouldPerformRightMouseScroll(e))
             {
                 mouseScrollBarDragging = true;
                 return true;
             }
 
-            return base.OnDragStart(state);
+            return base.OnDragStart(e);
         }
 
-        protected override bool OnDragEnd(InputState state)
+        protected override bool OnDragEnd(DragEndEvent e)
         {
             if (mouseScrollBarDragging)
             {
@@ -70,7 +69,7 @@ namespace osu.Game.Graphics.Containers
                 return true;
             }
 
-            return base.OnDragEnd(state);
+            return base.OnDragEnd(e);
         }
     }
 }

osu.Game/Graphics/Containers/ParallaxContainer.cs

@@ -67,7 +67,7 @@ namespace osu.Game.Graphics.Containers
 
             if (parallaxEnabled)
             {
-                Vector2 offset = (input.CurrentState.Mouse == null ? Vector2.Zero : ToLocalSpace(input.CurrentState.Mouse.NativeState.Position) - DrawSize / 2) * ParallaxAmount;
+                Vector2 offset = (input.CurrentState.Mouse == null ? Vector2.Zero : ToLocalSpace(input.CurrentState.Mouse.Position) - DrawSize / 2) * ParallaxAmount;
 
                 double elapsed = MathHelper.Clamp(Clock.ElapsedFrameTime, 0, 1000);
 

osu.Game/Graphics/Cursor/MenuCursor.cs

@@ -12,8 +12,7 @@ using osu.Game.Configuration;
 using System;
 using JetBrains.Annotations;
 using osu.Framework.Graphics.Textures;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 using OpenTK.Input;
 
 namespace osu.Game.Graphics.Cursor
@@ -40,11 +39,11 @@ namespace osu.Game.Graphics.Cursor
                 screenshotCursorVisibility.BindTo(screenshotManager.CursorVisibility);
         }
 
-        protected override bool OnMouseMove(InputState state)
+        protected override bool OnMouseMove(MouseMoveEvent e)
         {
             if (dragRotationState != DragRotationState.NotDragging)
             {
-                var position = state.Mouse.Position;
+                var position = e.MousePosition;
                 var distance = Vector2Extensions.Distance(position, positionMouseDown);
                 // don't start rotating until we're moved a minimum distance away from the mouse down location,
                 // else it can have an annoying effect.
@@ -53,7 +52,7 @@ namespace osu.Game.Graphics.Cursor
                 // don't rotate when distance is zero to avoid NaN
                 if (dragRotationState == DragRotationState.Rotating && distance > 0)
                 {
-                    Vector2 offset = state.Mouse.Position - positionMouseDown;
+                    Vector2 offset = e.MousePosition - positionMouseDown;
                     float degrees = (float)MathHelper.RadiansToDegrees(Math.Atan2(-offset.X, offset.Y)) + 24.3f;
 
                     // Always rotate in the direction of least distance
@@ -66,13 +65,13 @@ namespace osu.Game.Graphics.Cursor
                 }
             }
 
-            return base.OnMouseMove(state);
+            return base.OnMouseMove(e);
         }
 
-        protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
+        protected override bool OnMouseDown(MouseDownEvent e)
         {
             // only trigger animation for main mouse buttons
-            if (args.Button <= MouseButton.Right)
+            if (e.Button <= MouseButton.Right)
             {
                 activeCursor.Scale = new Vector2(1);
                 activeCursor.ScaleTo(0.90f, 800, Easing.OutQuint);
@@ -81,29 +80,29 @@ namespace osu.Game.Graphics.Cursor
                 activeCursor.AdditiveLayer.FadeInFromZero(800, Easing.OutQuint);
             }
 
-            if (args.Button == MouseButton.Left && cursorRotate)
+            if (e.Button == MouseButton.Left && cursorRotate)
             {
                 dragRotationState = DragRotationState.DragStarted;
-                positionMouseDown = state.Mouse.Position;
+                positionMouseDown = e.MousePosition;
             }
-            return base.OnMouseDown(state, args);
+            return base.OnMouseDown(e);
         }
 
-        protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
+        protected override bool OnMouseUp(MouseUpEvent e)
         {
-            if (!state.Mouse.HasMainButtonPressed)
+            if (!e.IsPressed(MouseButton.Left) && !e.IsPressed(MouseButton.Right))
             {
                 activeCursor.AdditiveLayer.FadeOutFromOne(500, Easing.OutQuint);
                 activeCursor.ScaleTo(1, 500, Easing.OutElastic);
             }
 
-            if (args.Button == MouseButton.Left)
+            if (e.Button == MouseButton.Left)
             {
                 if (dragRotationState == DragRotationState.Rotating)
                     activeCursor.RotateTo(0, 600 * (1 + Math.Abs(activeCursor.Rotation / 720)), Easing.OutElasticHalf);
                 dragRotationState = DragRotationState.NotDragging;
             }
-            return base.OnMouseUp(state, args);
+            return base.OnMouseUp(e);
         }
 
         protected override void PopIn()

osu.Game/Graphics/DrawableDate.cs

@@ -54,8 +54,6 @@ namespace osu.Game.Graphics
             Scheduler.AddDelayed(updateTimeWithReschedule, timeUntilNextUpdate);
         }
 
-        public override bool HandleMouseInput => true;
-
         protected virtual string Format() => Date.Humanize();
 
         private void updateTime() => Text = Format();

osu.Game/Graphics/UserInterface/BreadcrumbControl.cs

@@ -47,10 +47,10 @@ namespace osu.Game.Graphics.UserInterface
             public readonly SpriteIcon Chevron;
 
             //don't allow clicking between transitions and don't make the chevron clickable
-            public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => Alpha == 1f && Text.ReceiveMouseInputAt(screenSpacePos);
+            public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => Alpha == 1f && Text.ReceivePositionalInputAt(screenSpacePos);
 
-            public override bool HandleKeyboardInput => State == Visibility.Visible;
+            public override bool HandleNonPositionalInput => State == Visibility.Visible;
-            public override bool HandleMouseInput => State == Visibility.Visible;
+            public override bool HandlePositionalInput => State == Visibility.Visible;
             public override bool IsRemovable => true;
 
             private Visibility state;

osu.Game/Graphics/UserInterface/DialogButton.cs

@@ -13,7 +13,7 @@ using osu.Game.Graphics.Sprites;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Game.Graphics.Containers;
 using osu.Framework.Configuration;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 
 namespace osu.Game.Graphics.UserInterface
 {
@@ -211,9 +211,9 @@ namespace osu.Game.Graphics.UserInterface
             }
         }
 
-        public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => backgroundContainer.ReceiveMouseInputAt(screenSpacePos);
+        public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => backgroundContainer.ReceivePositionalInputAt(screenSpacePos);
 
-        protected override bool OnClick(InputState state)
+        protected override bool OnClick(ClickEvent e)
         {
             colourContainer.ResizeTo(new Vector2(1.5f, 1f), click_duration, Easing.In);
             flash();
@@ -225,20 +225,20 @@ namespace osu.Game.Graphics.UserInterface
                 glowContainer.FadeOut();
             });
 
-            return base.OnClick(state);
+            return base.OnClick(e);
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
-            base.OnHover(state);
+            base.OnHover(e);
 
             Selected.Value = true;
             return true;
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
             Selected.Value = false;
         }
 

osu.Game/Graphics/UserInterface/ExternalLinkButton.cs

@@ -5,7 +5,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Cursor;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Framework.Platform;
 using OpenTK;
 using OpenTK.Graphics;
@@ -37,19 +37,19 @@ namespace osu.Game.Graphics.UserInterface
             this.host = host;
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             InternalChild.FadeColour(hoverColour, 500, Easing.OutQuint);
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             InternalChild.FadeColour(Color4.White, 500, Easing.OutQuint);
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
         }
 
-        protected override bool OnClick(InputState state)
+        protected override bool OnClick(ClickEvent e)
         {
             if(Link != null)
                 host.OpenUrlExternally(Link);

osu.Game/Graphics/UserInterface/FocusedTextBox.cs

@@ -3,8 +3,7 @@
 
 using OpenTK.Graphics;
 using System;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 using osu.Game.Input.Bindings;
 using OpenTK.Input;
 
@@ -34,22 +33,22 @@ namespace osu.Game.Graphics.UserInterface
         }
 
         // We may not be focused yet, but we need to handle keyboard input to be able to request focus
-        public override bool HandleKeyboardInput => HoldFocus || base.HandleKeyboardInput;
+        public override bool HandleNonPositionalInput => HoldFocus || base.HandleNonPositionalInput;
 
-        protected override void OnFocus(InputState state)
+        protected override void OnFocus(FocusEvent e)
         {
-            base.OnFocus(state);
+            base.OnFocus(e);
             BorderThickness = 0;
         }
 
-        protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
+        protected override bool OnKeyDown(KeyDownEvent e)
         {
             if (!HasFocus) return false;
 
-            if (args.Key == Key.Escape)
+            if (e.Key == Key.Escape)
                 return false; // disable the framework-level handling of escape key for confority (we use GlobalAction.Back).
 
-            return base.OnKeyDown(state, args);
+            return base.OnKeyDown(e);
         }
 
         public override bool OnPressed(GlobalAction action)

osu.Game/Graphics/UserInterface/HoverClickSounds.cs

@@ -5,7 +5,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Audio;
 using osu.Framework.Audio.Sample;
 using osu.Framework.Extensions;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 
 namespace osu.Game.Graphics.UserInterface
 {
@@ -21,10 +21,10 @@ namespace osu.Game.Graphics.UserInterface
         {
         }
 
-        protected override bool OnClick(InputState state)
+        protected override bool OnClick(ClickEvent e)
         {
             sampleClick?.Play();
-            return base.OnClick(state);
+            return base.OnClick(e);
         }
 
         [BackgroundDependencyLoader]

osu.Game/Graphics/UserInterface/HoverSounds.cs

@@ -8,7 +8,7 @@ using osu.Framework.Audio.Sample;
 using osu.Framework.Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 
 namespace osu.Game.Graphics.UserInterface
 {
@@ -28,10 +28,10 @@ namespace osu.Game.Graphics.UserInterface
             RelativeSizeAxes = Axes.Both;
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             sampleHover?.Play();
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
         [BackgroundDependencyLoader]

osu.Game/Graphics/UserInterface/IconButton.cs

@@ -4,7 +4,7 @@
 using OpenTK;
 using OpenTK.Graphics;
 using osu.Framework.Graphics;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 
 namespace osu.Game.Graphics.UserInterface
 {
@@ -84,16 +84,16 @@ namespace osu.Game.Graphics.UserInterface
             });
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             icon.FadeColour(IconHoverColour, 500, Easing.OutQuint);
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             icon.FadeColour(IconColour, 500, Easing.OutQuint);
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
         }
     }
 }

osu.Game/Graphics/UserInterface/OsuAnimatedButton.cs

@@ -6,8 +6,7 @@ using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 using osu.Game.Graphics.Containers;
 using OpenTK.Graphics;
 
@@ -77,34 +76,34 @@ namespace osu.Game.Graphics.UserInterface
             Enabled.BindValueChanged(enabled => this.FadeColour(enabled ? Color4.White : colours.Gray9, 200, Easing.OutQuint), true);
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             hover.FadeIn(500, Easing.OutQuint);
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             hover.FadeOut(500, Easing.OutQuint);
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
         }
 
-        protected override bool OnClick(InputState state)
+        protected override bool OnClick(ClickEvent e)
         {
             hover.FlashColour(FlashColour, 800, Easing.OutQuint);
-            return base.OnClick(state);
+            return base.OnClick(e);
         }
 
-        protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
+        protected override bool OnMouseDown(MouseDownEvent e)
         {
             Content.ScaleTo(0.75f, 2000, Easing.OutQuint);
-            return base.OnMouseDown(state, args);
+            return base.OnMouseDown(e);
         }
 
-        protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
+        protected override bool OnMouseUp(MouseUpEvent e)
         {
             Content.ScaleTo(1, 1000, Easing.OutElastic);
-            return base.OnMouseUp(state, args);
+            return base.OnMouseUp(e);
         }
     }
 }

osu.Game/Graphics/UserInterface/OsuButton.cs

@@ -7,8 +7,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.UserInterface;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 using osu.Game.Graphics.Sprites;
 using OpenTK.Graphics;
 
@@ -56,28 +55,28 @@ namespace osu.Game.Graphics.UserInterface
             this.FadeColour(enabled ? Color4.White : Color4.Gray, 200, Easing.OutQuint);
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             hover.FadeIn(200);
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             hover.FadeOut(200);
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
         }
 
-        protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
+        protected override bool OnMouseDown(MouseDownEvent e)
         {
             Content.ScaleTo(0.9f, 4000, Easing.OutQuint);
-            return base.OnMouseDown(state, args);
+            return base.OnMouseDown(e);
         }
 
-        protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
+        protected override bool OnMouseUp(MouseUpEvent e)
         {
             Content.ScaleTo(1, 1000, Easing.OutElastic);
-            return base.OnMouseUp(state, args);
+            return base.OnMouseUp(e);
         }
 
         protected override SpriteText CreateText() => new OsuSpriteText

osu.Game/Graphics/UserInterface/OsuCheckbox.cs

@@ -8,7 +8,7 @@ using osu.Framework.Configuration;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.UserInterface;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Graphics.Sprites;
 using OpenTK.Graphics;
 
@@ -95,18 +95,18 @@ namespace osu.Game.Graphics.UserInterface
             };
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             Nub.Glowing = true;
             Nub.Expanded = true;
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             Nub.Glowing = false;
             Nub.Expanded = false;
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
         }
 
         [BackgroundDependencyLoader]

osu.Game/Graphics/UserInterface/OsuDropdown.cs

@@ -97,6 +97,9 @@ namespace osu.Game.Graphics.UserInterface
             #region DrawableOsuDropdownMenuItem
             public class DrawableOsuDropdownMenuItem : DrawableDropdownMenuItem, IHasAccentColour
             {
+                // IsHovered is used
+                public override bool HandlePositionalInput => true;
+
                 private Color4? accentColour;
                 public Color4 AccentColour
                 {

osu.Game/Graphics/UserInterface/OsuMenu.cs

@@ -10,7 +10,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.UserInterface;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Graphics.Sprites;
 using OpenTK;
 
@@ -97,25 +97,25 @@ namespace osu.Game.Graphics.UserInterface
                 }
             }
 
-            protected override bool OnHover(InputState state)
+            protected override bool OnHover(HoverEvent e)
             {
                 sampleHover.Play();
                 text.BoldText.FadeIn(transition_length, Easing.OutQuint);
                 text.NormalText.FadeOut(transition_length, Easing.OutQuint);
-                return base.OnHover(state);
+                return base.OnHover(e);
             }
 
-            protected override void OnHoverLost(InputState state)
+            protected override void OnHoverLost(HoverLostEvent e)
             {
                 text.BoldText.FadeOut(transition_length, Easing.OutQuint);
                 text.NormalText.FadeIn(transition_length, Easing.OutQuint);
-                base.OnHoverLost(state);
+                base.OnHoverLost(e);
             }
 
-            protected override bool OnClick(InputState state)
+            protected override bool OnClick(ClickEvent e)
             {
                 sampleClick.Play();
-                return base.OnClick(state);
+                return base.OnClick(e);
             }
 
             protected sealed override Drawable CreateContent() => text = CreateTextContainer();

osu.Game/Graphics/UserInterface/OsuPasswordTextBox.cs

@@ -9,8 +9,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Cursor;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 using osu.Framework.Platform;
 
 namespace osu.Game.Graphics.UserInterface
@@ -43,23 +42,23 @@ namespace osu.Game.Graphics.UserInterface
             this.host = host;
         }
 
-        protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
+        protected override bool OnKeyDown(KeyDownEvent e)
         {
-            if (args.Key == Key.CapsLock)
+            if (e.Key == Key.CapsLock)
                 updateCapsWarning(host.CapsLockEnabled);
-            return base.OnKeyDown(state, args);
+            return base.OnKeyDown(e);
         }
 
-        protected override void OnFocus(InputState state)
+        protected override void OnFocus(FocusEvent e)
         {
             updateCapsWarning(host.CapsLockEnabled);
-            base.OnFocus(state);
+            base.OnFocus(e);
         }
 
-        protected override void OnFocusLost(InputState state)
+        protected override void OnFocusLost(FocusLostEvent e)
         {
             updateCapsWarning(false);
-            base.OnFocusLost(state);
+            base.OnFocusLost(e);
         }
 
         private void updateCapsWarning(bool visible) => warning.FadeTo(visible ? 1 : 0, 250, Easing.OutQuint);

osu.Game/Graphics/UserInterface/OsuSliderBar.cs

@@ -13,8 +13,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.UserInterface;
 using osu.Framework.Graphics.Cursor;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 
 namespace osu.Game.Graphics.UserInterface
 {
@@ -125,16 +124,16 @@ namespace osu.Game.Graphics.UserInterface
             AccentColour = colours.Pink;
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             Nub.Glowing = true;
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             Nub.Glowing = false;
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
         }
 
         protected override void OnUserChange()
@@ -164,16 +163,16 @@ namespace osu.Game.Graphics.UserInterface
             sample.Play();
         }
 
-        protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
+        protected override bool OnMouseDown(MouseDownEvent e)
         {
             Nub.Current.Value = true;
-            return base.OnMouseDown(state, args);
+            return base.OnMouseDown(e);
         }
 
-        protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
+        protected override bool OnMouseUp(MouseUpEvent e)
         {
             Nub.Current.Value = false;
-            return base.OnMouseUp(state, args);
+            return base.OnMouseUp(e);
         }
 
         protected override void UpdateAfterChildren()

osu.Game/Graphics/UserInterface/OsuTabControl.cs

@@ -14,7 +14,7 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.UserInterface;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Framework.MathUtils;
 using osu.Game.Graphics.Sprites;
 
@@ -126,14 +126,14 @@ namespace osu.Game.Graphics.UserInterface
                 Text.FadeColour(AccentColour, transition_length, Easing.OutQuint);
             }
 
-            protected override bool OnHover(InputState state)
+            protected override bool OnHover(HoverEvent e)
             {
                 if (!Active)
                     fadeActive();
                 return true;
             }
 
-            protected override void OnHoverLost(InputState state)
+            protected override void OnHoverLost(HoverLostEvent e)
             {
                 if (!Active)
                     fadeInactive();
@@ -265,16 +265,16 @@ namespace osu.Game.Graphics.UserInterface
                     Padding = new MarginPadding { Left = 5, Right = 5 };
                 }
 
-                protected override bool OnHover(InputState state)
+                protected override bool OnHover(HoverEvent e)
                 {
                     Foreground.Colour = BackgroundColour;
-                    return base.OnHover(state);
+                    return base.OnHover(e);
                 }
 
-                protected override void OnHoverLost(InputState state)
+                protected override void OnHoverLost(HoverLostEvent e)
                 {
                     Foreground.Colour = BackgroundColourHover;
-                    base.OnHoverLost(state);
+                    base.OnHoverLost(e);
                 }
             }
         }

osu.Game/Graphics/UserInterface/OsuTabControlCheckbox.cs

@@ -10,7 +10,7 @@ using osu.Framework.Graphics.Shapes;
 using osu.Game.Graphics.Sprites;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.UserInterface;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 
 namespace osu.Game.Graphics.UserInterface
 {
@@ -59,18 +59,18 @@ namespace osu.Game.Graphics.UserInterface
             text.FadeColour(AccentColour, transition_length, Easing.OutQuint);
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             fadeIn();
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             if (!Current)
                 fadeOut();
 
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
         }
 
         [BackgroundDependencyLoader]

osu.Game/Graphics/UserInterface/OsuTextBox.cs

@@ -9,7 +9,7 @@ using osu.Game.Graphics.Sprites;
 using OpenTK.Graphics;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Input.Bindings;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Input.Bindings;
 
 namespace osu.Game.Graphics.UserInterface
@@ -44,17 +44,17 @@ namespace osu.Game.Graphics.UserInterface
             BorderColour = colour.Yellow;
         }
 
-        protected override void OnFocus(InputState state)
+        protected override void OnFocus(FocusEvent e)
         {
             BorderThickness = 3;
-            base.OnFocus(state);
+            base.OnFocus(e);
         }
 
-        protected override void OnFocusLost(InputState state)
+        protected override void OnFocusLost(FocusLostEvent e)
         {
             BorderThickness = 0;
 
-            base.OnFocusLost(state);
+            base.OnFocusLost(e);
         }
 
         protected override Drawable GetDrawableCharacter(char c) => new OsuSpriteText { Text = c.ToString(), TextSize = CalculatedTextSize };

osu.Game/Graphics/UserInterface/PageTabControl.cs

@@ -10,7 +10,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.UserInterface;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Graphics.Sprites;
 
 namespace osu.Game.Graphics.UserInterface
@@ -67,14 +67,14 @@ namespace osu.Game.Graphics.UserInterface
                 box.Colour = colours.Yellow;
             }
 
-            protected override bool OnHover(InputState state)
+            protected override bool OnHover(HoverEvent e)
             {
                 if (!Active)
                     slideActive();
                 return true;
             }
 
-            protected override void OnHoverLost(InputState state)
+            protected override void OnHoverLost(HoverLostEvent e)
             {
                 if (!Active)
                     slideInactive();

osu.Game/Graphics/UserInterface/SearchTextBox.cs

@@ -2,8 +2,7 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Framework.Graphics;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 using OpenTK;
 using OpenTK.Input;
 
@@ -33,11 +32,11 @@ namespace osu.Game.Graphics.UserInterface
             PlaceholderText = "type to search";
         }
 
-        protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
+        protected override bool OnKeyDown(KeyDownEvent e)
         {
-            if (!state.Keyboard.ControlPressed && !state.Keyboard.ShiftPressed)
+            if (!e.ControlPressed && !e.ShiftPressed)
             {
-                switch (args.Key)
+                switch (e.Key)
                 {
                     case Key.Left:
                     case Key.Right:
@@ -49,7 +48,7 @@ namespace osu.Game.Graphics.UserInterface
 
             if (!AllowCommit)
             {
-                switch (args.Key)
+                switch (e.Key)
                 {
                     case Key.KeypadEnter:
                     case Key.Enter:
@@ -57,16 +56,16 @@ namespace osu.Game.Graphics.UserInterface
                 }
             }
 
-            if (state.Keyboard.ShiftPressed)
+            if (e.ShiftPressed)
             {
-                switch (args.Key)
+                switch (e.Key)
                 {
                     case Key.Delete:
                         return false;
                 }
             }
 
-            return base.OnKeyDown(state, args);
+            return base.OnKeyDown(e);
         }
     }
 }

osu.Game/Graphics/UserInterface/TwoLayerButton.cs

@@ -13,8 +13,7 @@ using osu.Game.Beatmaps.ControlPoints;
 using osu.Framework.Audio.Track;
 using System;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 
 namespace osu.Game.Graphics.UserInterface
 {
@@ -170,9 +169,9 @@ namespace osu.Game.Graphics.UserInterface
             }
         }
 
-        public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => IconLayer.ReceiveMouseInputAt(screenSpacePos) || TextLayer.ReceiveMouseInputAt(screenSpacePos);
+        public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => IconLayer.ReceivePositionalInputAt(screenSpacePos) || TextLayer.ReceivePositionalInputAt(screenSpacePos);
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             this.ResizeTo(SIZE_EXTENDED, transform_time, Easing.OutElastic);
             IconLayer.FadeColour(HoverColour, transform_time, Easing.OutElastic);
@@ -182,7 +181,7 @@ namespace osu.Game.Graphics.UserInterface
             return true;
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             this.ResizeTo(SIZE_RETRACTED, transform_time, Easing.OutElastic);
             IconLayer.FadeColour(TextLayer.Colour, transform_time, Easing.OutElastic);
@@ -190,12 +189,12 @@ namespace osu.Game.Graphics.UserInterface
             bouncingIcon.ScaleTo(1, transform_time, Easing.OutElastic);
         }
 
-        protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
+        protected override bool OnMouseDown(MouseDownEvent e)
         {
             return true;
         }
 
-        protected override bool OnClick(InputState state)
+        protected override bool OnClick(ClickEvent e)
         {
             var flash = new Box
             {
@@ -209,7 +208,7 @@ namespace osu.Game.Graphics.UserInterface
             flash.FadeOut(500, Easing.OutQuint);
             flash.Expire();
 
-            return base.OnClick(state);
+            return base.OnClick(e);
         }
 
         private class BouncingIcon : BeatSyncedContainer

osu.Game/IPC/ArchiveImportIPCChannel.cs

@@ -37,7 +37,7 @@ namespace osu.Game.IPC
                 return;
             }
 
-            if (importer.HandledExtensions.Contains(Path.GetExtension(path)))
+            if (importer.HandledExtensions.Contains(Path.GetExtension(path)?.ToLowerInvariant()))
                 importer.Import(path);
         }
     }

osu.Game/Online/API/OAuth.cs

@@ -2,6 +2,7 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System.Diagnostics;
+using System.Net.Http;
 using osu.Framework.Configuration;
 using osu.Framework.IO.Network;
 
@@ -40,7 +41,7 @@ namespace osu.Game.Online.API
             using (var req = new AccessTokenRequestPassword(username, password)
             {
                 Url = $@"{endpoint}/oauth/token",
-                Method = HttpMethod.POST,
+                Method = HttpMethod.Post,
                 ClientId = clientId,
                 ClientSecret = clientSecret
             })
@@ -66,7 +67,7 @@ namespace osu.Game.Online.API
                 using (var req = new AccessTokenRequestRefresh(refresh)
                 {
                     Url = $@"{endpoint}/oauth/token",
-                    Method = HttpMethod.POST,
+                    Method = HttpMethod.Post,
                     ClientId = clientId,
                     ClientSecret = clientSecret
                 })

osu.Game/Online/API/Requests/GetMessagesRequest.cs

@@ -2,34 +2,19 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System.Collections.Generic;
-using System.Linq;
-using osu.Framework.IO.Network;
 using osu.Game.Online.Chat;
 
 namespace osu.Game.Online.API.Requests
 {
     public class GetMessagesRequest : APIRequest<List<Message>>
     {
-        private readonly List<Channel> channels;
+        private readonly Channel channel;
-        private readonly long? since;
 
-        public GetMessagesRequest(List<Channel> channels, long? sinceId)
+        public GetMessagesRequest(Channel channel)
         {
-            this.channels = channels;
+            this.channel = channel;
-            since = sinceId;
         }
 
-        protected override WebRequest CreateWebRequest()
+        protected override string Target => $@"chat/channels/{channel.Id}/messages";
-        {
-            string channelString = string.Join(",", channels.Select(x => x.Id));
-
-            var req = base.CreateWebRequest();
-            req.AddParameter(@"channels", channelString);
-            if (since.HasValue) req.AddParameter(@"since", since.Value.ToString());
-
-            return req;
-        }
-
-        protected override string Target => @"chat/messages";
     }
 }

osu.Game/Online/API/Requests/GetUpdatesRequest.cs

@@ -0,0 +1,32 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using JetBrains.Annotations;
+using osu.Framework.IO.Network;
+using osu.Game.Online.Chat;
+
+namespace osu.Game.Online.API.Requests
+{
+    public class GetUpdatesRequest : APIRequest<GetUpdatesResponse>
+    {
+        private readonly long since;
+        private readonly Channel channel;
+
+        public GetUpdatesRequest(long sinceId, [CanBeNull] Channel channel = null)
+        {
+            this.channel = channel;
+            since = sinceId;
+        }
+
+        protected override WebRequest CreateWebRequest()
+        {
+            var req = base.CreateWebRequest();
+            if (channel != null) req.AddParameter(@"channel", channel.Id.ToString());
+            req.AddParameter(@"since", since.ToString());
+
+            return req;
+        }
+
+        protected override string Target => @"chat/updates";
+    }
+}

osu.Game/Online/API/Requests/GetUpdatesResponse.cs

@@ -0,0 +1,18 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.Collections.Generic;
+using Newtonsoft.Json;
+using osu.Game.Online.Chat;
+
+namespace osu.Game.Online.API.Requests
+{
+    public class GetUpdatesResponse
+    {
+        [JsonProperty]
+        public List<Channel> Presence;
+
+        [JsonProperty]
+        public List<Message> Messages;
+    }
+}

osu.Game/Online/API/Requests/JoinChannelRequest.cs

@@ -0,0 +1,31 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.Net.Http;
+using osu.Framework.IO.Network;
+using osu.Game.Online.Chat;
+using osu.Game.Users;
+
+namespace osu.Game.Online.API.Requests
+{
+    public class JoinChannelRequest : APIRequest
+    {
+        private readonly Channel channel;
+        private readonly User user;
+
+        public JoinChannelRequest(Channel channel, User user)
+        {
+            this.channel = channel;
+            this.user = user;
+        }
+
+        protected override WebRequest CreateWebRequest()
+        {
+            var req = base.CreateWebRequest();
+            req.Method = HttpMethod.Put;
+            return req;
+        }
+
+        protected override string Target => $@"chat/channels/{channel.Id}/users/{user.Id}";
+    }
+}

osu.Game/Online/API/Requests/LeaveChannelRequest.cs

@@ -0,0 +1,31 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.Net.Http;
+using osu.Framework.IO.Network;
+using osu.Game.Online.Chat;
+using osu.Game.Users;
+
+namespace osu.Game.Online.API.Requests
+{
+    public class LeaveChannelRequest : APIRequest
+    {
+        private readonly Channel channel;
+        private readonly User user;
+
+        public LeaveChannelRequest(Channel channel, User user)
+        {
+            this.channel = channel;
+            this.user = user;
+        }
+
+        protected override WebRequest CreateWebRequest()
+        {
+            var req = base.CreateWebRequest();
+            req.Method = HttpMethod.Delete;
+            return req;
+        }
+
+        protected override string Target => $@"chat/channels/{channel.Id}/users/{user.Id}";
+    }
+}

osu.Game/Online/API/Requests/PostMessageRequest.cs

@@ -1,7 +1,7 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Framework.Extensions;
+using System.Net.Http;
 using osu.Framework.IO.Network;
 using osu.Game.Online.Chat;
 
@@ -20,15 +20,13 @@ namespace osu.Game.Online.API.Requests
         {
             var req = base.CreateWebRequest();
 
-            req.Method = HttpMethod.POST;
+            req.Method = HttpMethod.Post;
-            req.AddParameter(@"target_type", message.TargetType.GetDescription());
-            req.AddParameter(@"target_id", message.TargetId.ToString());
             req.AddParameter(@"is_action", message.IsAction.ToString().ToLowerInvariant());
             req.AddParameter(@"message", message.Content);
 
             return req;
         }
 
-        protected override string Target => @"chat/messages";
+        protected override string Target => $@"chat/channels/{message.ChannelId}/messages";
     }
 }

osu.Game/Online/Chat/Channel.cs

@@ -19,11 +19,14 @@ namespace osu.Game.Online.Chat
         public string Topic;
 
         [JsonProperty(@"type")]
-        public string Type;
+        public ChannelType Type;
 
         [JsonProperty(@"channel_id")]
         public int Id;
 
+        [JsonProperty(@"last_message_id")]
+        public long? LastMessageId;
+
         public readonly SortedList<Message> Messages = new SortedList<Message>(Comparer<Message>.Default);
 
         private readonly List<LocalEchoMessage> pendingMessages = new List<LocalEchoMessage>();
@@ -51,11 +54,20 @@ namespace osu.Game.Online.Chat
             NewMessagesArrived?.Invoke(new[] { message });
         }
 
+        public bool MessagesLoaded { get; private set; }
+
         public void AddNewMessages(params Message[] messages)
         {
             messages = messages.Except(Messages).ToArray();
 
+            if (messages.Length == 0) return;
+
             Messages.AddRange(messages);
+            MessagesLoaded = true;
+
+            var maxMessageId = messages.Max(m => m.Id);
+            if (maxMessageId > LastMessageId)
+                LastMessageId = maxMessageId;
 
             purgeOldMessages();
 

osu.Game/Online/Chat/ChannelType.cs

@@ -0,0 +1,11 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+namespace osu.Game.Online.Chat
+{
+    public enum ChannelType
+    {
+        PM,
+        Public
+    }
+}

osu.Game/Online/Chat/DrawableLinkCompiler.cs

@@ -24,7 +24,7 @@ namespace osu.Game.Online.Chat
         /// </summary>
         public List<SpriteText> Parts;
 
-        public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => Parts.Any(d => d.ReceiveMouseInputAt(screenSpacePos));
+        public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => Parts.Any(d => d.ReceivePositionalInputAt(screenSpacePos));
 
         protected override HoverClickSounds CreateHoverClickSounds(HoverSampleSet sampleSet) => new LinkHoverSounds(sampleSet, Parts);
 
@@ -53,7 +53,7 @@ namespace osu.Game.Online.Chat
                 this.parts = parts;
             }
 
-            public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => parts.Any(d => d.ReceiveMouseInputAt(screenSpacePos));
+            public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => parts.Any(d => d.ReceivePositionalInputAt(screenSpacePos));
         }
     }
 }

osu.Game/Online/Chat/Message.cs

@@ -18,11 +18,8 @@ namespace osu.Game.Online.Chat
         [JsonProperty(@"sender_id")]
         public int UserId;
 
-        [JsonProperty(@"target_type")]
+        [JsonProperty(@"channel_id")]
-        public TargetType TargetType;
+        public int ChannelId;
-
-        [JsonProperty(@"target_id")]
-        public int TargetId;
 
         [JsonProperty(@"is_action")]
         public bool IsAction;

osu.Game/OsuGame.cs

@@ -65,7 +65,8 @@ namespace osu.Game
 
         private BeatmapSetOverlay beatmapSetOverlay;
 
-        private ScreenshotManager screenshotManager;
+        [Cached]
+        private readonly ScreenshotManager screenshotManager = new ScreenshotManager();
 
         protected RavenLogger RavenLogger;
 
@@ -289,9 +290,6 @@ namespace osu.Game
 
         protected override void LoadComplete()
         {
-            // this needs to be cached before base.LoadComplete as it is used by MenuCursorContainer.
-            dependencies.Cache(screenshotManager = new ScreenshotManager());
-
             base.LoadComplete();
 
             // The next time this is updated is in UpdateAfterChildren, which occurs too late and results

osu.Game/OsuGameBase.cs

@@ -154,7 +154,7 @@ namespace osu.Game
             dependencies.Cache(RulesetStore = new RulesetStore(contextFactory));
             dependencies.Cache(FileStore = new FileStore(contextFactory, Host.Storage));
             dependencies.Cache(BeatmapManager = new BeatmapManager(Host.Storage, contextFactory, RulesetStore, api, Audio, Host));
-            dependencies.Cache(ScoreStore = new ScoreStore(Host.Storage, contextFactory, Host, BeatmapManager, RulesetStore));
+            dependencies.Cache(ScoreStore = new ScoreStore(contextFactory, Host, BeatmapManager, RulesetStore));
             dependencies.Cache(KeyBindingStore = new KeyBindingStore(contextFactory, RulesetStore));
             dependencies.Cache(SettingsStore = new SettingsStore(contextFactory));
             dependencies.Cache(RulesetConfigCache = new RulesetConfigCache(SettingsStore));
@@ -243,7 +243,7 @@ namespace osu.Game
 
         public void Import(params string[] paths)
         {
-            var extension = Path.GetExtension(paths.First());
+            var extension = Path.GetExtension(paths.First())?.ToLowerInvariant();
 
             foreach (var importer in fileImporters)
                 if (importer.HandledExtensions.Contains(extension)) importer.Import(paths);

osu.Game/Overlays/BeatmapSet/BeatmapPicker.cs

@@ -10,7 +10,7 @@ using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.Drawables;
 using osu.Game.Graphics;
@@ -174,9 +174,9 @@ namespace osu.Game.Overlays.BeatmapSet
         {
             public Action OnLostHover;
 
-            protected override void OnHoverLost(InputState state)
+            protected override void OnHoverLost(HoverLostEvent e)
             {
-                base.OnHoverLost(state);
+                base.OnHoverLost(e);
                 OnLostHover?.Invoke();
             }
         }
@@ -241,24 +241,24 @@ namespace osu.Game.Overlays.BeatmapSet
                 };
             }
 
-            protected override bool OnHover(InputState state)
+            protected override bool OnHover(HoverEvent e)
             {
                 fadeIn();
                 OnHovered?.Invoke(Beatmap);
-                return base.OnHover(state);
+                return base.OnHover(e);
             }
 
-            protected override void OnHoverLost(InputState state)
+            protected override void OnHoverLost(HoverLostEvent e)
             {
                 if (State == DifficultySelectorState.NotSelected)
                     fadeOut();
-                base.OnHoverLost(state);
+                base.OnHoverLost(e);
             }
 
-            protected override bool OnClick(InputState state)
+            protected override bool OnClick(ClickEvent e)
             {
                 OnClicked?.Invoke(Beatmap);
-                return base.OnClick(state);
+                return base.OnClick(e);
             }
 
             private void fadeIn()

osu.Game/Overlays/BeatmapSet/Buttons/PreviewButton.cs

@@ -7,7 +7,7 @@ using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Audio;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
@@ -89,16 +89,16 @@ namespace osu.Game.Overlays.BeatmapSet.Buttons
                 progress.Width = 0;
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             bg.FadeColour(Color4.Black.Opacity(0.5f), 100);
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             bg.FadeColour(Color4.Black.Opacity(0.25f), 100);
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
         }
     }
 }

osu.Game/Overlays/BeatmapSet/Scores/ClickableUsername.cs

@@ -3,7 +3,7 @@
 
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Users;
@@ -53,7 +53,7 @@ namespace osu.Game.Overlays.BeatmapSet.Scores
             this.profile = profile;
         }
 
-        protected override bool OnClick(InputState state)
+        protected override bool OnClick(ClickEvent e)
         {
             profile?.ShowUser(user);
             return true;

osu.Game/Overlays/BeatmapSet/Scores/DrawableScore.cs

@@ -6,7 +6,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Online.API.Requests.Responses;
@@ -125,18 +125,18 @@ namespace osu.Game.Overlays.BeatmapSet.Scores
             background.Colour = colours.Gray4;
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             background.FadeIn(fade_duration, Easing.OutQuint);
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             background.FadeOut(fade_duration, Easing.OutQuint);
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
         }
 
-        protected override bool OnClick(InputState state) => true;
+        protected override bool OnClick(ClickEvent e) => true;
     }
 }

osu.Game/Overlays/BeatmapSet/Scores/DrawableTopScore.cs

@@ -8,7 +8,7 @@ using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Online.API.Requests.Responses;
@@ -184,16 +184,16 @@ namespace osu.Game.Overlays.BeatmapSet.Scores
             BorderColour = rankText.Colour = colours.Yellow;
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             background.FadeIn(fade_duration, Easing.OutQuint);
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             background.FadeOut(fade_duration, Easing.OutQuint);
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
         }
 
         private class InfoColumn : FillFlowContainer

osu.Game/Overlays/BeatmapSetOverlay.cs

@@ -7,7 +7,7 @@ using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
@@ -51,7 +51,7 @@ namespace osu.Game.Overlays
         }
 
         // receive input outside our bounds so we can trigger a close event on ourselves.
-        public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => true;
+        public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => true;
 
         public BeatmapSetOverlay()
         {
@@ -127,7 +127,7 @@ namespace osu.Game.Overlays
             FadeEdgeEffectTo(0, WaveContainer.DISAPPEAR_DURATION, Easing.Out).OnComplete(_ => BeatmapSet = null);
         }
 
-        protected override bool OnClick(InputState state)
+        protected override bool OnClick(ClickEvent e)
         {
             State = Visibility.Hidden;
             return true;

osu.Game/Overlays/Chat/ChannelListItem.cs

@@ -9,7 +9,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Configuration;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Online.Chat;
@@ -155,15 +155,15 @@ namespace osu.Game.Overlays.Chat
             FinishTransforms(true);
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             if (!channel.Joined.Value)
                 name.FadeColour(hoverColour, 50, Easing.OutQuint);
 
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             if (!channel.Joined.Value)
                 name.FadeColour(Color4.White, transition_duration);

osu.Game/Overlays/Chat/ChannelSelectionOverlay.cs

@@ -10,7 +10,7 @@ using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Backgrounds;
 using osu.Game.Graphics.Sprites;
@@ -150,10 +150,10 @@ namespace osu.Game.Overlays.Chat
             headerBg.Colour = colours.Gray2.Opacity(0.75f);
         }
 
-        protected override void OnFocus(InputState state)
+        protected override void OnFocus(FocusEvent e)
         {
             GetContainingInputManager().ChangeFocus(search);
-            base.OnFocus(state);
+            base.OnFocus(e);
         }
 
         protected override void PopIn()

osu.Game/Overlays/Chat/ChatTabControl.cs

@@ -17,8 +17,7 @@ using OpenTK.Input;
 using OpenTK.Graphics;
 using osu.Framework.Configuration;
 using System;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 using osu.Game.Graphics.Containers;
 
 namespace osu.Game.Overlays.Chat
@@ -144,9 +143,9 @@ namespace osu.Game.Overlays.Chat
                 textBold.FadeOut(transition_length, Easing.OutQuint);
             }
 
-            protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
+            protected override bool OnMouseUp(MouseUpEvent e)
             {
-                if (args.Button == MouseButton.Middle)
+                if (e.Button == MouseButton.Middle)
                 {
                     closeButton.Action();
                     return true;
@@ -155,7 +154,7 @@ namespace osu.Game.Overlays.Chat
                 return false;
             }
 
-            protected override bool OnHover(InputState state)
+            protected override bool OnHover(HoverEvent e)
             {
                 if (IsRemovable)
                     closeButton.FadeIn(200, Easing.OutQuint);
@@ -165,7 +164,7 @@ namespace osu.Game.Overlays.Chat
                 return true;
             }
 
-            protected override void OnHoverLost(InputState state)
+            protected override void OnHoverLost(HoverLostEvent e)
             {
                 closeButton.FadeOut(200, Easing.OutQuint);
                 updateState();
@@ -291,28 +290,28 @@ namespace osu.Game.Overlays.Chat
                     };
                 }
 
-                protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
+                protected override bool OnMouseDown(MouseDownEvent e)
                 {
                     icon.ScaleTo(0.5f, 1000, Easing.OutQuint);
-                    return base.OnMouseDown(state, args);
+                    return base.OnMouseDown(e);
                 }
 
-                protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
+                protected override bool OnMouseUp(MouseUpEvent e)
                 {
                     icon.ScaleTo(0.75f, 1000, Easing.OutElastic);
-                    return base.OnMouseUp(state, args);
+                    return base.OnMouseUp(e);
                 }
 
-                protected override bool OnHover(InputState state)
+                protected override bool OnHover(HoverEvent e)
                 {
                     icon.FadeColour(Color4.Red, 200, Easing.OutQuint);
-                    return base.OnHover(state);
+                    return base.OnHover(e);
                 }
 
-                protected override void OnHoverLost(InputState state)
+                protected override void OnHoverLost(HoverLostEvent e)
                 {
                     icon.FadeColour(Color4.White, 200, Easing.OutQuint);
-                    base.OnHoverLost(state);
+                    base.OnHoverLost(e);
                 }
             }
 

osu.Game/Overlays/ChatOverlay.cs

@@ -3,7 +3,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Linq;
 using OpenTK;
 using OpenTK.Graphics;
@@ -13,7 +12,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.UserInterface;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Framework.Threading;
 using osu.Game.Configuration;
 using osu.Game.Graphics;
@@ -47,12 +46,12 @@ namespace osu.Game.Overlays
 
         public const float TAB_AREA_HEIGHT = 50;
 
-        private GetMessagesRequest fetchReq;
+        private GetUpdatesRequest fetchReq;
 
         private readonly ChatTabControl channelTabs;
 
         private readonly Container chatContainer;
-        private readonly Container tabsArea;
+        private readonly TabsArea tabsArea;
         private readonly Box chatBackground;
         private readonly Box tabBackground;
 
@@ -62,7 +61,7 @@ namespace osu.Game.Overlays
         private readonly Container channelSelectionContainer;
         private readonly ChannelSelectionOverlay channelSelection;
 
-        public override bool Contains(Vector2 screenSpacePos) => chatContainer.ReceiveMouseInputAt(screenSpacePos) || channelSelection.State == Visibility.Visible && channelSelection.ReceiveMouseInputAt(screenSpacePos);
+        public override bool Contains(Vector2 screenSpacePos) => chatContainer.ReceivePositionalInputAt(screenSpacePos) || channelSelection.State == Visibility.Visible && channelSelection.ReceivePositionalInputAt(screenSpacePos);
 
         public ChatOverlay()
         {
@@ -146,11 +145,8 @@ namespace osu.Game.Overlays
                                 loading = new LoadingAnimation(),
                             }
                         },
-                        tabsArea = new Container
+                        tabsArea = new TabsArea
                         {
-                            Name = @"tabs area",
-                            RelativeSizeAxes = Axes.X,
-                            Height = TAB_AREA_HEIGHT,
                             Children = new Drawable[]
                             {
                                 tabBackground = new Box
@@ -191,25 +187,22 @@ namespace osu.Game.Overlays
 
         public void OpenChannel(Channel channel) => addChannel(channel);
 
-        protected override bool OnDragStart(InputState state)
+        protected override bool OnDragStart(DragStartEvent e)
         {
             isDragging = tabsArea.IsHovered;
 
             if (!isDragging)
-                return base.OnDragStart(state);
+                return base.OnDragStart(e);
 
             startDragChatHeight = ChatHeight.Value;
             return true;
         }
 
-        protected override bool OnDrag(InputState state)
+        protected override bool OnDrag(DragEvent e)
         {
             if (isDragging)
             {
-                Trace.Assert(state.Mouse.PositionMouseDown != null);
+                double targetChatHeight = startDragChatHeight - (e.MousePosition.Y - e.MouseDownPosition.Y) / Parent.DrawSize.Y;
-
-                // ReSharper disable once PossibleInvalidOperationException
-                double targetChatHeight = startDragChatHeight - (state.Mouse.Position.Y - state.Mouse.PositionMouseDown.Value.Y) / Parent.DrawSize.Y;
 
                 // If the channel selection screen is shown, mind its minimum height
                 if (channelSelection.State == Visibility.Visible && targetChatHeight > 1f - channel_selection_min_height)
@@ -221,10 +214,10 @@ namespace osu.Game.Overlays
             return true;
         }
 
-        protected override bool OnDragEnd(InputState state)
+        protected override bool OnDragEnd(DragEndEvent e)
         {
             isDragging = false;
-            return base.OnDragEnd(state);
+            return base.OnDragEnd(e);
         }
 
         public void APIStateChanged(APIAccess api, APIState state)
@@ -242,11 +235,11 @@ namespace osu.Game.Overlays
 
         public override bool AcceptsFocus => true;
 
-        protected override void OnFocus(InputState state)
+        protected override void OnFocus(FocusEvent e)
         {
             //this is necessary as textbox is masked away and therefore can't get focus :(
             GetContainingInputManager().ChangeFocus(textbox);
-            base.OnFocus(state);
+            base.OnFocus(e);
         }
 
         protected override void PopIn()
@@ -285,7 +278,7 @@ namespace osu.Game.Overlays
             chatBackground.Colour = colours.ChatBlue;
         }
 
-        private long? lastMessageId;
+        private long lastMessageId;
 
         private readonly List<Channel> careChannels = new List<Channel>();
 
@@ -304,9 +297,9 @@ namespace osu.Game.Overlays
 
                 Scheduler.Add(delegate
                 {
+                    //todo: decide how to handle default channels for a user now that they are saved server-side.
                     addChannel(channels.Find(c => c.Name == @"#lazer"));
                     addChannel(channels.Find(c => c.Name == @"#osu"));
-                    addChannel(channels.Find(c => c.Name == @"#lobby"));
 
                     channelSelection.OnRequestJoin = addChannel;
                     channelSelection.OnRequestLeave = removeChannel;
@@ -320,7 +313,7 @@ namespace osu.Game.Overlays
                     };
                 });
 
-                messageRequest = Scheduler.AddDelayed(fetchNewMessages, 1000, true);
+                messageRequest = Scheduler.AddDelayed(fetchUpdates, 1000, true);
             };
 
             api.Queue(req);
@@ -362,7 +355,7 @@ namespace osu.Game.Overlays
                     loadedChannels.Add(loaded);
                     LoadComponentAsync(loaded, l =>
                     {
-                        if (currentChannel.Messages.Any())
+                        if (currentChannel.MessagesLoaded)
                             loading.Hide();
 
                         currentChannelContainer.Clear(false);
@@ -394,6 +387,15 @@ namespace osu.Game.Overlays
             {
                 careChannels.Add(channel);
                 channelTabs.AddItem(channel);
+
+                if (channel.Type == ChannelType.Public && !channel.Joined)
+                {
+                    var req = new JoinChannelRequest(channel, api.LocalUser);
+                    req.Success += () => addChannel(channel);
+                    req.Failure += ex => removeChannel(channel);
+                    api.Queue(req);
+                    return;
+                }
             }
 
             // let's fetch a small number of messages to bring us up-to-date with the backlog.
@@ -415,47 +417,53 @@ namespace osu.Game.Overlays
             loadedChannels.Remove(loadedChannels.Find(c => c.Channel == channel));
             channelTabs.RemoveItem(channel);
 
+            api.Queue(new LeaveChannelRequest(channel, api.LocalUser));
             channel.Joined.Value = false;
         }
 
         private void fetchInitialMessages(Channel channel)
         {
-            var req = new GetMessagesRequest(new List<Channel> { channel }, null);
+            var req = new GetMessagesRequest(channel);
-
+            req.Success += messages =>
-            req.Success += delegate (List<Message> messages)
             {
-                loading.Hide();
                 channel.AddNewMessages(messages.ToArray());
-                Debug.Write("success!");
+                if (channel == currentChannel)
-            };
+                    loading.Hide();
-            req.Failure += delegate
-            {
-                Debug.Write("failure!");
             };
 
             api.Queue(req);
         }
 
-        private void fetchNewMessages()
+        private void fetchUpdates()
         {
             if (fetchReq != null) return;
 
-            fetchReq = new GetMessagesRequest(careChannels, lastMessageId);
+            fetchReq = new GetUpdatesRequest(lastMessageId);
 
-            fetchReq.Success += delegate (List<Message> messages)
+            fetchReq.Success += updates =>
             {
-                foreach (var group in messages.Where(m => m.TargetType == TargetType.Channel).GroupBy(m => m.TargetId))
+                if (updates?.Presence != null)
+                {
+                    foreach (var channel in updates.Presence)
+                    {
+                        if (careChannels.Find(c => c.Id == channel.Id) == null)
+                        {
+                            channel.Joined.Value = true;
+                            addChannel(channel);
+                        }
+                    }
+
+                    foreach (var group in updates.Messages.GroupBy(m => m.ChannelId))
                         careChannels.Find(c => c.Id == group.Key)?.AddNewMessages(group.ToArray());
 
-                lastMessageId = messages.LastOrDefault()?.Id ?? lastMessageId;
+                    lastMessageId = updates.Messages.LastOrDefault()?.Id ?? lastMessageId;
+                }
 
-                Debug.Write("success!");
                 fetchReq = null;
             };
 
             fetchReq.Failure += delegate
             {
-                Debug.Write("failure!");
                 fetchReq = null;
             };
 
@@ -517,8 +525,7 @@ namespace osu.Game.Overlays
             {
                 Sender = api.LocalUser.Value,
                 Timestamp = DateTimeOffset.Now,
-                TargetType = TargetType.Channel, //TODO: read this from channel
+                ChannelId = target.Id,
-                TargetId = target.Id,
                 IsAction = isAction,
                 Content = postText
             };
@@ -531,5 +538,18 @@ namespace osu.Game.Overlays
 
             api.Queue(req);
         }
+
+        private class TabsArea : Container
+        {
+            // IsHovered is used
+            public override bool HandlePositionalInput => true;
+
+            public TabsArea()
+            {
+                Name = @"tabs area";
+                RelativeSizeAxes = Axes.X;
+                Height = TAB_AREA_HEIGHT;
+            }
+        }
     }
 }

osu.Game/Overlays/Dialog/PopupDialog.cs

@@ -8,8 +8,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Backgrounds;
 using osu.Game.Graphics.Containers;
@@ -26,7 +25,7 @@ namespace osu.Game.Overlays.Dialog
         public static readonly float ENTER_DURATION = 500;
         public static readonly float EXIT_DURATION = 200;
 
-        protected override bool BlockPassThroughMouse => false;
+        protected override bool BlockPositionalInput => false;
 
         private readonly Vector2 ringSize = new Vector2(100f);
         private readonly Vector2 ringMinifiedSize = new Vector2(20f);
@@ -206,12 +205,12 @@ namespace osu.Game.Overlays.Dialog
             return base.OnPressed(action);
         }
 
-        protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
+        protected override bool OnKeyDown(KeyDownEvent e)
         {
-            if (args.Repeat) return false;
+            if (e.Repeat) return false;
 
             // press button at number if 1-9 on number row or keypad are pressed
-            var k = args.Key;
+            var k = e.Key;
             if (k >= Key.Number1 && k <= Key.Number9)
             {
                 pressButtonAtIndex(k - Key.Number1);
@@ -224,7 +223,7 @@ namespace osu.Game.Overlays.Dialog
                 return true;
             }
 
-            return base.OnKeyDown(state, args);
+            return base.OnKeyDown(e);
         }
 
         protected override void PopIn()

osu.Game/Overlays/DialogOverlay.cs

@@ -43,7 +43,7 @@ namespace osu.Game.Overlays
 
         protected override bool PlaySamplesOnStateChange => false;
 
-        protected override bool BlockPassThroughKeyboard => true;
+        protected override bool BlockNonPositionalInput => true;
 
         private void onDialogOnStateChanged(VisibilityContainer dialog, Visibility v)
         {

osu.Game/Overlays/Direct/DirectGridPanel.cs

@@ -10,7 +10,7 @@ using osu.Framework.Graphics.Containers;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Framework.Localisation;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.Drawables;
@@ -227,15 +227,15 @@ namespace osu.Game.Overlays.Direct
             PreviewPlaying.ValueChanged += _ => updateStatusContainer();
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             updateStatusContainer();
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
             updateStatusContainer();
         }
 

osu.Game/Overlays/Direct/DirectPanel.cs

@@ -10,7 +10,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Audio;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.Drawables;
@@ -121,27 +121,27 @@ namespace osu.Game.Overlays.Direct
             }
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             content.TweenEdgeEffectTo(edgeEffectHovered, hover_transition_time, Easing.OutQuint);
             content.MoveToY(-4, hover_transition_time, Easing.OutQuint);
             if (FadePlayButton)
                 PlayButton.FadeIn(120, Easing.InOutQuint);
 
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             content.TweenEdgeEffectTo(edgeEffectNormal, hover_transition_time, Easing.OutQuint);
             content.MoveToY(0, hover_transition_time, Easing.OutQuint);
             if (FadePlayButton && !PreviewPlaying)
                 PlayButton.FadeOut(120, Easing.InOutQuint);
 
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
         }
 
-        protected override bool OnClick(InputState state)
+        protected override bool OnClick(ClickEvent e)
         {
             ShowInformation();
             return true;

osu.Game/Overlays/Direct/FilterControl.cs

@@ -73,8 +73,8 @@ namespace osu.Game.Overlays.Direct
                 iconContainer.FadeTo(Ruleset.ID == obj?.ID ? 1f : 0.5f, 100);
             }
 
-            public override bool HandleKeyboardInput => !bindable.Disabled && base.HandleKeyboardInput;
+            public override bool HandleNonPositionalInput => !bindable.Disabled && base.HandleNonPositionalInput;
-            public override bool HandleMouseInput => !bindable.Disabled && base.HandleMouseInput;
+            public override bool HandlePositionalInput => !bindable.Disabled && base.HandlePositionalInput;
 
             public RulesetToggleButton(Bindable<RulesetInfo> bindable, RulesetInfo ruleset)
             {

osu.Game/Overlays/Direct/PlayButton.cs

@@ -5,7 +5,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Configuration;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Audio;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
@@ -93,23 +93,23 @@ namespace osu.Game.Overlays.Direct
             hoverColour = colour.Yellow;
         }
 
-        protected override bool OnClick(InputState state)
+        protected override bool OnClick(ClickEvent e)
         {
             Playing.Toggle();
             return true;
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             icon.FadeColour(hoverColour, 120, Easing.InOutQuint);
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             if (!Playing.Value)
                 icon.FadeColour(Color4.White, 120, Easing.InOutQuint);
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
         }
 
         private void playingStateChanged(bool playing)

osu.Game/Overlays/KeyBinding/KeyBindingRow.cs

@@ -10,15 +10,13 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Input.Bindings;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Input;
 using OpenTK.Graphics;
 using OpenTK.Input;
-using JoystickEventArgs = osu.Framework.Input.EventArgs.JoystickEventArgs;
 
 namespace osu.Game.Overlays.KeyBinding
 {
@@ -125,18 +123,18 @@ namespace osu.Game.Overlays.KeyBinding
             }
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             FadeEdgeEffectTo(1, transition_time, Easing.OutQuint);
 
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             FadeEdgeEffectTo(0, transition_time, Easing.OutQuint);
 
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
         }
 
         public override bool AcceptsFocus => bindTarget == null;
@@ -149,16 +147,16 @@ namespace osu.Game.Overlays.KeyBinding
 
         private bool isModifier(Key k) => k < Key.F1;
 
-        protected override bool OnClick(InputState state) => true;
+        protected override bool OnClick(ClickEvent e) => true;
 
-        protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
+        protected override bool OnMouseDown(MouseDownEvent e)
         {
             if (!HasFocus || !bindTarget.IsHovered)
-                return base.OnMouseDown(state, args);
+                return base.OnMouseDown(e);
 
             if (!AllowMainMouseButtons)
             {
-                switch (args.Button)
+                switch (e.Button)
                 {
                     case MouseButton.Left:
                     case MouseButton.Right:
@@ -166,15 +164,15 @@ namespace osu.Game.Overlays.KeyBinding
                 }
             }
 
-            bindTarget.UpdateKeyCombination(KeyCombination.FromInputState(state));
+            bindTarget.UpdateKeyCombination(KeyCombination.FromInputState(e.CurrentState));
             return true;
         }
 
-        protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
+        protected override bool OnMouseUp(MouseUpEvent e)
         {
             // don't do anything until the last button is released.
-            if (!HasFocus || state.Mouse.Buttons.Any())
+            if (!HasFocus || e.HasAnyButtonPressed)
-                return base.OnMouseUp(state, args);
+                return base.OnMouseUp(e);
 
             if (bindTarget.IsHovered)
                 finalise();
@@ -183,31 +181,31 @@ namespace osu.Game.Overlays.KeyBinding
             return true;
         }
 
-        protected override bool OnScroll(InputState state)
+        protected override bool OnScroll(ScrollEvent e)
         {
             if (HasFocus)
             {
                 if (bindTarget.IsHovered)
                 {
-                    bindTarget.UpdateKeyCombination(KeyCombination.FromInputState(state, state.Mouse.ScrollDelta));
+                    bindTarget.UpdateKeyCombination(KeyCombination.FromInputState(e.CurrentState, e.ScrollDelta));
                     finalise();
                     return true;
                 }
             }
 
-            return base.OnScroll(state);
+            return base.OnScroll(e);
         }
 
-        protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
+        protected override bool OnKeyDown(KeyDownEvent e)
         {
             if (!HasFocus)
                 return false;
 
-            switch (args.Key)
+            switch (e.Key)
             {
                 case Key.Delete:
                 {
-                    if (state.Keyboard.ShiftPressed)
+                    if (e.ShiftPressed)
                     {
                         bindTarget.UpdateKeyCombination(InputKey.None);
                         finalise();
@@ -218,35 +216,35 @@ namespace osu.Game.Overlays.KeyBinding
                 }
             }
 
-            bindTarget.UpdateKeyCombination(KeyCombination.FromInputState(state));
+            bindTarget.UpdateKeyCombination(KeyCombination.FromInputState(e.CurrentState));
-            if (!isModifier(args.Key)) finalise();
+            if (!isModifier(e.Key)) finalise();
 
             return true;
         }
 
-        protected override bool OnKeyUp(InputState state, KeyUpEventArgs args)
+        protected override bool OnKeyUp(KeyUpEvent e)
         {
-            if (!HasFocus) return base.OnKeyUp(state, args);
+            if (!HasFocus) return base.OnKeyUp(e);
 
             finalise();
             return true;
         }
 
-        protected override bool OnJoystickPress(InputState state, JoystickEventArgs args)
+        protected override bool OnJoystickPress(JoystickPressEvent e)
         {
             if (!HasFocus)
                 return false;
 
-            bindTarget.UpdateKeyCombination(KeyCombination.FromInputState(state));
+            bindTarget.UpdateKeyCombination(KeyCombination.FromInputState(e.CurrentState));
             finalise();
 
             return true;
         }
 
-        protected override bool OnJoystickRelease(InputState state, JoystickEventArgs args)
+        protected override bool OnJoystickRelease(JoystickReleaseEvent e)
         {
             if (!HasFocus)
-                return base.OnJoystickRelease(state, args);
+                return base.OnJoystickRelease(e);
 
             finalise();
             return true;
@@ -273,7 +271,7 @@ namespace osu.Game.Overlays.KeyBinding
             pressAKey.BypassAutoSizeAxes |= Axes.Y;
         }
 
-        protected override void OnFocus(InputState state)
+        protected override void OnFocus(FocusEvent e)
         {
             AutoSizeDuration = 500;
             AutoSizeEasing = Easing.OutQuint;
@@ -282,13 +280,13 @@ namespace osu.Game.Overlays.KeyBinding
             pressAKey.BypassAutoSizeAxes &= ~Axes.Y;
 
             updateBindTarget();
-            base.OnFocus(state);
+            base.OnFocus(e);
         }
 
-        protected override void OnFocusLost(InputState state)
+        protected override void OnFocusLost(FocusLostEvent e)
         {
             finalise();
-            base.OnFocusLost(state);
+            base.OnFocusLost(e);
         }
 
         private void updateBindTarget()
@@ -367,16 +365,16 @@ namespace osu.Game.Overlays.KeyBinding
                 hoverColour = colours.YellowDark;
             }
 
-            protected override bool OnHover(InputState state)
+            protected override bool OnHover(HoverEvent e)
             {
                 updateHoverState();
-                return base.OnHover(state);
+                return base.OnHover(e);
             }
 
-            protected override void OnHoverLost(InputState state)
+            protected override void OnHoverLost(HoverLostEvent e)
             {
                 updateHoverState();
-                base.OnHoverLost(state);
+                base.OnHoverLost(e);
             }
 
             private void updateHoverState()

osu.Game/Overlays/MainSettings.cs

@@ -6,8 +6,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Input.Bindings;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Sprites;
@@ -138,16 +137,16 @@ namespace osu.Game.Overlays
                 };
             }
 
-            protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
+            protected override bool OnMouseDown(MouseDownEvent e)
             {
                 aspect.ScaleTo(0.75f, 2000, Easing.OutQuint);
-                return base.OnMouseDown(state, args);
+                return base.OnMouseDown(e);
             }
 
-            protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
+            protected override bool OnMouseUp(MouseUpEvent e)
             {
                 aspect.ScaleTo(1, 1000, Easing.OutElastic);
-                return base.OnMouseUp(state, args);
+                return base.OnMouseUp(e);
             }
 
             public bool OnPressed(GlobalAction action)

osu.Game/Overlays/MedalOverlay.cs

@@ -19,8 +19,7 @@ using osu.Framework.Graphics.Textures;
 using OpenTK.Input;
 using osu.Framework.Graphics.Shapes;
 using System;
-using System.Linq;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 using osu.Framework.MathUtils;
 
 namespace osu.Game.Overlays
@@ -176,15 +175,15 @@ namespace osu.Game.Overlays
             particleContainer.Add(new MedalParticle(RNG.Next(0, 359)));
         }
 
-        protected override bool OnClick(InputState state)
+        protected override bool OnClick(ClickEvent e)
         {
             dismiss();
             return true;
         }
 
-        protected override void OnFocusLost(InputState state)
+        protected override void OnFocusLost(FocusLostEvent e)
         {
-            if (state.Keyboard.Keys.Contains(Key.Escape)) dismiss();
+            if (e.CurrentState.Keyboard.Keys.IsPressed(Key.Escape)) dismiss();
         }
 
         private const double initial_duration = 400;

osu.Game/Overlays/Mods/ModButton.cs

@@ -13,8 +13,7 @@ using osu.Game.Rulesets.UI;
 using System;
 using System.Linq;
 using osu.Framework.Graphics.Cursor;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 using osu.Game.Graphics.UserInterface;
 
 namespace osu.Game.Overlays.Mods
@@ -149,20 +148,20 @@ namespace osu.Game.Overlays.Mods
 
         public virtual Mod SelectedMod => Mods.ElementAtOrDefault(selectedIndex);
 
-        protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
+        protected override bool OnMouseDown(MouseDownEvent e)
         {
             scaleContainer.ScaleTo(0.9f, 800, Easing.Out);
-            return base.OnMouseDown(state, args);
+            return base.OnMouseDown(e);
         }
 
-        protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
+        protected override bool OnMouseUp(MouseUpEvent e)
         {
             scaleContainer.ScaleTo(1, 500, Easing.OutElastic);
 
             // only trigger the event if we are inside the area of the button
-            if (Contains(ToScreenSpace(state.Mouse.Position - Position)))
+            if (Contains(e.ScreenSpaceMousePosition))
             {
-                switch (args.Button)
+                switch (e.Button)
                 {
                     case MouseButton.Left:
                         SelectNext(1);

osu.Game/Overlays/Mods/ModSection.cs

@@ -10,8 +10,7 @@ using osu.Game.Rulesets.Mods;
 using System;
 using System.Linq;
 using System.Collections.Generic;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 
 namespace osu.Game.Overlays.Mods
 {
@@ -55,16 +54,16 @@ namespace osu.Game.Overlays.Mods
 
         private ModButton[] buttons = { };
 
-        protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
+        protected override bool OnKeyDown(KeyDownEvent e)
         {
             if (ToggleKeys != null)
             {
-                var index = Array.IndexOf(ToggleKeys, args.Key);
+                var index = Array.IndexOf(ToggleKeys, e.Key);
                 if (index > -1 && index < buttons.Length)
-                    buttons[index].SelectNext(state.Keyboard.ShiftPressed ? -1 : 1);
+                    buttons[index].SelectNext(e.ShiftPressed ? -1 : 1);
             }
 
-            return base.OnKeyDown(state, args);
+            return base.OnKeyDown(e);
         }
 
         public void DeselectAll() => DeselectTypes(buttons.Select(b => b.SelectedMod?.GetType()).Where(t => t != null));

osu.Game/Overlays/Mods/ModSelectOverlay.cs

@@ -40,7 +40,7 @@ namespace osu.Game.Overlays.Mods
         protected readonly OsuSpriteText MultiplierLabel, UnrankedLabel;
         private readonly FillFlowContainer footerContainer;
 
-        protected override bool BlockPassThroughKeyboard => false;
+        protected override bool BlockNonPositionalInput => false;
 
         protected readonly FillFlowContainer<ModSection> ModSectionsContainer;
 

osu.Game/Overlays/Music/PlaylistItem.cs

@@ -8,8 +8,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
-using osu.Framework.Input.EventArgs;
+using osu.Framework.Input.Events;
-using osu.Framework.Input.States;
 using osu.Framework.Localisation;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
@@ -37,16 +36,16 @@ namespace osu.Game.Overlays.Music
 
         public bool IsDraggable { get; private set; }
 
-        protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
+        protected override bool OnMouseDown(MouseDownEvent e)
         {
             IsDraggable = handle.IsHovered;
-            return base.OnMouseDown(state, args);
+            return base.OnMouseDown(e);
         }
 
-        protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
+        protected override bool OnMouseUp(MouseUpEvent e)
         {
             IsDraggable = false;
-            return base.OnMouseUp(state, args);
+            return base.OnMouseUp(e);
         }
 
         private bool selected;
@@ -123,19 +122,19 @@ namespace osu.Game.Overlays.Music
             });
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             handle.FadeIn(fade_duration);
 
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             handle.FadeOut(fade_duration);
         }
 
-        protected override bool OnClick(InputState state)
+        protected override bool OnClick(ClickEvent e)
         {
             OnSelect?.Invoke(BeatmapSetInfo);
             return true;

osu.Game/Overlays/Music/PlaylistList.cs

@@ -8,7 +8,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Configuration;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics.Containers;
 using OpenTK;
@@ -115,25 +115,25 @@ namespace osu.Game.Overlays.Music
             private Vector2 nativeDragPosition;
             private PlaylistItem draggedItem;
 
-            protected override bool OnDragStart(InputState state)
+            protected override bool OnDragStart(DragStartEvent e)
             {
-                nativeDragPosition = state.Mouse.NativeState.Position;
+                nativeDragPosition = e.ScreenSpaceMousePosition;
                 draggedItem = items.FirstOrDefault(d => d.IsDraggable);
-                return draggedItem != null || base.OnDragStart(state);
+                return draggedItem != null || base.OnDragStart(e);
             }
 
-            protected override bool OnDrag(InputState state)
+            protected override bool OnDrag(DragEvent e)
             {
-                nativeDragPosition = state.Mouse.NativeState.Position;
+                nativeDragPosition = e.ScreenSpaceMousePosition;
                 if (draggedItem == null)
-                    return base.OnDrag(state);
+                    return base.OnDrag(e);
                 return true;
             }
 
-            protected override bool OnDragEnd(InputState state)
+            protected override bool OnDragEnd(DragEndEvent e)
             {
-                nativeDragPosition = state.Mouse.NativeState.Position;
+                nativeDragPosition = e.ScreenSpaceMousePosition;
-                var handled = draggedItem != null || base.OnDragEnd(state);
+                var handled = draggedItem != null || base.OnDragEnd(e);
                 draggedItem = null;
 
                 return handled;

osu.Game/Overlays/MusicController.cs

@@ -13,7 +13,7 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Framework.Localisation;
 using osu.Framework.Threading;
 using osu.Game.Beatmaps;
@@ -457,20 +457,14 @@ namespace osu.Game.Overlays
 
         private class DragContainer : Container
         {
-            private Vector2 dragStart;
+            protected override bool OnDragStart(DragStartEvent e)
-
-            protected override bool OnDragStart(InputState state)
             {
-                base.OnDragStart(state);
-                dragStart = state.Mouse.Position;
                 return true;
             }
 
-            protected override bool OnDrag(InputState state)
+            protected override bool OnDrag(DragEvent e)
             {
-                if (base.OnDrag(state)) return true;
+                Vector2 change = e.MousePosition - e.MouseDownPosition;
-
-                Vector2 change = state.Mouse.Position - dragStart;
 
                 // Diminish the drag distance as we go further to simulate "rubber band" feeling.
                 change *= change.Length <= 0 ? 0 : (float)Math.Pow(change.Length, 0.7f) / change.Length;
@@ -479,10 +473,10 @@ namespace osu.Game.Overlays
                 return true;
             }
 
-            protected override bool OnDragEnd(InputState state)
+            protected override bool OnDragEnd(DragEndEvent e)
             {
                 this.MoveTo(Vector2.Zero, 800, Easing.OutElastic);
-                return base.OnDragEnd(state);
+                return base.OnDragEnd(e);
             }
         }
     }

osu.Game/Overlays/Notifications/Notification.cs

@@ -11,7 +11,7 @@ using osu.Game.Graphics;
 using OpenTK;
 using OpenTK.Graphics;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Graphics.Containers;
 
 namespace osu.Game.Overlays.Notifications
@@ -118,19 +118,19 @@ namespace osu.Game.Overlays.Notifications
             });
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             closeButton.FadeIn(75);
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             closeButton.FadeOut(75);
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
         }
 
-        protected override bool OnClick(InputState state)
+        protected override bool OnClick(ClickEvent e)
         {
             if (Activated?.Invoke() ?? true)
                 Close();
@@ -185,16 +185,16 @@ namespace osu.Game.Overlays.Notifications
                 hoverColour = colours.Yellow;
             }
 
-            protected override bool OnHover(InputState state)
+            protected override bool OnHover(HoverEvent e)
             {
                 this.FadeColour(hoverColour, 200);
-                return base.OnHover(state);
+                return base.OnHover(e);
             }
 
-            protected override void OnHoverLost(InputState state)
+            protected override void OnHoverLost(HoverLostEvent e)
             {
                 this.FadeColour(OsuColour.Gray(0.2f), 200);
-                base.OnHoverLost(state);
+                base.OnHoverLost(e);
             }
         }
 

osu.Game/Overlays/OnScreenDisplay.cs

@@ -25,9 +25,6 @@ namespace osu.Game.Overlays
     {
         private readonly Container box;
 
-        public override bool HandleKeyboardInput => false;
-        public override bool HandleMouseInput => false;
-
         private readonly SpriteText textLine1;
         private readonly SpriteText textLine2;
         private readonly SpriteText textLine3;

osu.Game/Overlays/Profile/Header/BadgeContainer.cs

@@ -9,7 +9,7 @@ using osu.Framework.Graphics.Cursor;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Users;
@@ -153,13 +153,13 @@ namespace osu.Game.Overlays.Profile.Header
                 this.hoverLostAction = hoverLostAction;
             }
 
-            protected override bool OnHover(InputState state)
+            protected override bool OnHover(HoverEvent e)
             {
                 hoverAction();
                 return true;
             }
 
-            protected override void OnHoverLost(InputState state) => hoverLostAction();
+            protected override void OnHoverLost(HoverLostEvent e) => hoverLostAction();
         }
 
         private class DrawableBadge : Container, IHasTooltip

osu.Game/Overlays/Profile/Header/RankGraph.cs

@@ -10,7 +10,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Graphics.UserInterface;
@@ -137,25 +137,25 @@ namespace osu.Game.Overlays.Profile.Header
             relativeText.Text = dayIndex + 1 == ranks.Length ? "Now" : $"{ranked_days - ranks[dayIndex].Key} days ago";
         }
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             if (ranks?.Length > 1)
             {
-                graph.UpdateBallPosition(state.Mouse.Position.X);
+                graph.UpdateBallPosition(e.MousePosition.X);
                 graph.ShowBall();
             }
-            return base.OnHover(state);
+            return base.OnHover(e);
         }
 
-        protected override bool OnMouseMove(InputState state)
+        protected override bool OnMouseMove(MouseMoveEvent e)
         {
             if (ranks?.Length > 1)
-                graph.UpdateBallPosition(state.Mouse.Position.X);
+                graph.UpdateBallPosition(e.MousePosition.X);
 
-            return base.OnMouseMove(state);
+            return base.OnMouseMove(e);
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             if (ranks?.Length > 1)
             {
@@ -163,7 +163,7 @@ namespace osu.Game.Overlays.Profile.Header
                 updateRankTexts();
             }
 
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
         }
 
         private class RankChartLineGraph : LineGraph

osu.Game/Overlays/Profile/Sections/DrawableProfileRow.cs

@@ -6,7 +6,7 @@ using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Graphics;
 using OpenTK;
 using OpenTK.Graphics;
@@ -105,20 +105,20 @@ namespace osu.Game.Overlays.Profile.Sections
             coloredBackground.Colour = underscoreLine.Colour = colour.Gray4;
         }
 
-        protected override bool OnClick(InputState state) => true;
+        protected override bool OnClick(ClickEvent e) => true;
 
-        protected override bool OnHover(InputState state)
+        protected override bool OnHover(HoverEvent e)
         {
             background.FadeIn(fade_duration, Easing.OutQuint);
             underscoreLine.FadeOut(fade_duration, Easing.OutQuint);
             return true;
         }
 
-        protected override void OnHoverLost(InputState state)
+        protected override void OnHoverLost(HoverLostEvent e)
         {
             background.FadeOut(fade_duration, Easing.OutQuint);
             underscoreLine.FadeIn(fade_duration, Easing.OutQuint);
-            base.OnHoverLost(state);
+            base.OnHoverLost(e);
         }
     }
 }

osu.Game/Overlays/Profile/Sections/Kudosu/KudosuInfo.cs

@@ -8,7 +8,7 @@ using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Sprites;
@@ -70,7 +70,7 @@ namespace osu.Game.Overlays.Profile.Sections.Kudosu
             };
         }
 
-        protected override bool OnClick(InputState state) => true;
+        protected override bool OnClick(ClickEvent e) => true;
 
         private class CountSection : Container
         {

osu.Game/Overlays/SearchableList/SearchableListOverlay.cs

@@ -5,7 +5,7 @@ using OpenTK.Graphics;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
-using osu.Framework.Input.States;
+using osu.Framework.Input.Events;
 using osu.Game.Graphics.Backgrounds;
 using osu.Game.Graphics.Containers;
 
@@ -101,7 +101,7 @@ namespace osu.Game.Overlays.SearchableList
             scrollContainer.Padding = new MarginPadding { Top = Header.Height + Filter.Height };
         }
 
-        protected override void OnFocus(InputState state)
+        protected override void OnFocus(FocusEvent e)
         {
             GetContainingInputManager().ChangeFocus(Filter.Search);
         }

osu.Game/Overlays/Settings/Sections/Gameplay/ScrollingSettings.cs

@@ -1,26 +0,0 @@
-// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
-// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
-
-using osu.Framework.Allocation;
-using osu.Game.Configuration;
-
-namespace osu.Game.Overlays.Settings.Sections.Gameplay
-{
-    public class ScrollingSettings : SettingsSubsection
-    {
-        protected override string Header => "Scrolling";
-
-        [BackgroundDependencyLoader]
-        private void load(OsuConfigManager config)
-        {
-            Children = new[]
-            {
-                new SettingsEnumDropdown<SpeedChangeVisualisationMethod>
-                {
-                    LabelText = "Visualise speed changes as",
-                    Bindable = config.GetBindable<SpeedChangeVisualisationMethod>(OsuSetting.SpeedChangeVisualisation),
-                }
-            };
-        }
-    }
-}