Merge branch 'master' into customize-progress-notification

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

@@ -9,6 +9,7 @@ using System.Collections.Generic;
 using System.Linq;
 using osu.Framework.Graphics.Containers;
 using osu.Game.Rulesets.Osu.Judgements;
+using osu.Framework.Graphics.Primitives;
 
 namespace osu.Game.Rulesets.Osu.Objects.Drawables
 {
@@ -165,6 +166,9 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
         }
 
         public Drawable ProxiedLayer => initialCircle.ApproachCircle;
+
+        public override Vector2 SelectionPoint => ToScreenSpace(body.Position);
+        public override Quad SelectionQuad => body.PathDrawQuad;
     }
 
     internal interface ISliderProgress

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

@@ -14,6 +14,7 @@ using osu.Game.Configuration;
 using OpenTK;
 using OpenTK.Graphics.ES30;
 using OpenTK.Graphics;
+using osu.Framework.Graphics.Primitives;
 
 namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
 {
@@ -49,6 +50,8 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             }
         }
 
+        public Quad PathDrawQuad => container.ScreenSpaceDrawQuad;
+
         private int textureWidth => (int)PathWidth * 2;
 
         private readonly Slider slider;
@@ -182,4 +185,4 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
             SetRange(start, end);
         }
     }
-}
+}

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

@@ -31,6 +31,9 @@ namespace osu.Game.Rulesets.Osu.UI
         {
             get
             {
+                if (Parent == null)
+                    return Vector2.Zero;
+
                 var parentSize = Parent.DrawSize;
                 var aspectSize = parentSize.X * 0.75f < parentSize.Y ? new Vector2(parentSize.X, parentSize.X * 0.75f) : new Vector2(parentSize.Y * 4f / 3f, parentSize.Y);
 

osu.Game.Tests/Visual/TestCaseEditorSelectionLayer.cs

@@ -0,0 +1,54 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using System.Collections.Generic;
+using OpenTK;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Timing;
+using osu.Game.Rulesets.Edit.Layers.Selection;
+using osu.Game.Rulesets.Osu.Edit;
+using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Objects.Drawables;
+
+namespace osu.Game.Tests.Visual
+{
+    public class TestCaseEditorSelectionLayer : OsuTestCase
+    {
+        public override IReadOnlyList<Type> RequiredTypes => new[] { typeof(SelectionLayer) };
+
+        public TestCaseEditorSelectionLayer()
+        {
+            var playfield = new OsuEditPlayfield
+            {
+                new DrawableHitCircle(new HitCircle { Position = new Vector2(256, 192), Scale = 0.5f }),
+                new DrawableHitCircle(new HitCircle { Position = new Vector2(344, 148), Scale = 0.5f }),
+                new DrawableSlider(new Slider
+                {
+                    ControlPoints = new List<Vector2>
+                    {
+                        new Vector2(128, 256),
+                        new Vector2(344, 256),
+                    },
+                    Distance = 400,
+                    Position = new Vector2(128, 256),
+                    Velocity = 1,
+                    TickDistance = 100,
+                    Scale = 0.5f
+                })
+            };
+
+            Children = new Drawable[]
+            {
+                new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Clock = new FramedClock(new StopwatchClock()),
+                    Child = playfield
+                },
+                new SelectionLayer(playfield)
+            };
+        }
+    }
+}

osu.Game.Tests/Visual/TestCaseGameplayMenuOverlay.cs

@@ -0,0 +1,258 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using OpenTK.Input;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Input;
+using osu.Framework.Logging;
+using osu.Game.Screens.Play;
+
+namespace osu.Game.Tests.Visual
+{
+    [Description("player pause/fail screens")]
+    internal class TestCaseGameplayMenuOverlay : OsuTestCase
+    {
+        public override IReadOnlyList<Type> RequiredTypes => new[] { typeof(FailOverlay), typeof(PauseContainer) };
+
+        private FailOverlay failOverlay;
+        private PauseContainer.PauseOverlay pauseOverlay;
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            Add(pauseOverlay = new PauseContainer.PauseOverlay
+            {
+                OnResume = () => Logger.Log(@"Resume"),
+                OnRetry = () => Logger.Log(@"Retry"),
+                OnQuit = () => Logger.Log(@"Quit"),
+            });
+
+            Add(failOverlay = new FailOverlay
+            {
+                OnRetry = () => Logger.Log(@"Retry"),
+                OnQuit = () => Logger.Log(@"Quit"),
+            });
+
+            var retryCount = 0;
+
+            AddStep("Add retry", () =>
+            {
+                retryCount++;
+                pauseOverlay.Retries = failOverlay.Retries = retryCount;
+            });
+
+            AddToggleStep("Toggle pause overlay", t => pauseOverlay.ToggleVisibility());
+            AddToggleStep("Toggle fail overlay", t => failOverlay.ToggleVisibility());
+
+            testHideResets();
+
+            testEnterWithoutSelection();
+            testKeyUpFromInitial();
+            testKeyDownFromInitial();
+            testKeyUpWrapping();
+            testKeyDownWrapping();
+
+            testMouseSelectionAfterKeySelection();
+            testKeySelectionAfterMouseSelection();
+
+            testMouseDeselectionResets();
+
+            testClickSelection();
+            testEnterKeySelection();
+        }
+
+        /// <summary>
+        /// Test that hiding the overlay after hovering a button will reset the overlay to the initial state with no buttons selected.
+        /// </summary>
+        private void testHideResets()
+        {
+            AddStep("Show overlay", () => failOverlay.Show());
+
+            AddStep("Hover first button", () => failOverlay.Buttons.First().TriggerOnHover(null));
+            AddStep("Hide overlay", () => failOverlay.Hide());
+
+            AddAssert("Overlay state is reset", () => !failOverlay.Buttons.Any(b => b.Selected));
+        }
+
+        /// <summary>
+        /// Tests that pressing enter after an overlay shows doesn't trigger an event because a selection hasn't occurred.
+        /// </summary>
+        private void testEnterWithoutSelection()
+        {
+            AddStep("Show overlay", () => pauseOverlay.Show());
+
+            AddStep("Press enter", () => pauseOverlay.TriggerOnKeyDown(null, new KeyDownEventArgs { Key = Key.Enter }));
+            AddAssert("Overlay still open", () => pauseOverlay.State == Visibility.Visible);
+
+            AddStep("Hide overlay", () => pauseOverlay.Hide());
+        }
+
+        /// <summary>
+        /// Tests that pressing the up arrow from the initial state selects the last button.
+        /// </summary>
+        private void testKeyUpFromInitial()
+        {
+            AddStep("Show overlay", () => pauseOverlay.Show());
+
+            AddStep("Up arrow", () => pauseOverlay.TriggerOnKeyDown(null, new KeyDownEventArgs { Key = Key.Up }));
+            AddAssert("Last button selected", () => pauseOverlay.Buttons.Last().Selected);
+
+            AddStep("Hide overlay", () => pauseOverlay.Hide());
+        }
+
+        /// <summary>
+        /// Tests that pressing the down arrow from the initial state selects the first button.
+        /// </summary>
+        private void testKeyDownFromInitial()
+        {
+            AddStep("Show overlay", () => pauseOverlay.Show());
+
+            AddStep("Down arrow", () => pauseOverlay.TriggerOnKeyDown(null, new KeyDownEventArgs { Key = Key.Down }));
+            AddAssert("First button selected", () => pauseOverlay.Buttons.First().Selected);
+
+            AddStep("Hide overlay", () => pauseOverlay.Hide());
+        }
+
+        /// <summary>
+        /// Tests that pressing the up arrow repeatedly causes the selected button to wrap correctly.
+        /// </summary>
+        private void testKeyUpWrapping()
+        {
+            AddStep("Show overlay", () => failOverlay.Show());
+
+            AddStep("Up arrow", () => failOverlay.TriggerOnKeyDown(null, new KeyDownEventArgs { Key = Key.Up }));
+            AddAssert("Last button selected", () => failOverlay.Buttons.Last().Selected);
+            AddStep("Up arrow", () => failOverlay.TriggerOnKeyDown(null, new KeyDownEventArgs { Key = Key.Up }));
+            AddAssert("First button selected", () => failOverlay.Buttons.First().Selected);
+            AddStep("Up arrow", () => failOverlay.TriggerOnKeyDown(null, new KeyDownEventArgs { Key = Key.Up }));
+            AddAssert("Last button selected", () => failOverlay.Buttons.Last().Selected);
+
+            AddStep("Hide overlay", () => failOverlay.Hide());
+        }
+
+        /// <summary>
+        /// Tests that pressing the down arrow repeatedly causes the selected button to wrap correctly.
+        /// </summary>
+        private void testKeyDownWrapping()
+        {
+            AddStep("Show overlay", () => failOverlay.Show());
+
+            AddStep("Down arrow", () => failOverlay.TriggerOnKeyDown(null, new KeyDownEventArgs { Key = Key.Down }));
+            AddAssert("First button selected", () => failOverlay.Buttons.First().Selected);
+            AddStep("Down arrow", () => failOverlay.TriggerOnKeyDown(null, new KeyDownEventArgs { Key = Key.Down }));
+            AddAssert("Last button selected", () => failOverlay.Buttons.Last().Selected);
+            AddStep("Down arrow", () => failOverlay.TriggerOnKeyDown(null, new KeyDownEventArgs { Key = Key.Down }));
+            AddAssert("First button selected", () => failOverlay.Buttons.First().Selected);
+
+            AddStep("Hide overlay", () => failOverlay.Hide());
+        }
+
+        /// <summary>
+        /// Tests that hovering a button that was previously selected with the keyboard correctly selects the new button and deselects the previous button.
+        /// </summary>
+        private void testMouseSelectionAfterKeySelection()
+        {
+            AddStep("Show overlay", () => pauseOverlay.Show());
+
+            var secondButton = pauseOverlay.Buttons.Skip(1).First();
+
+            AddStep("Down arrow", () => pauseOverlay.TriggerOnKeyDown(null, new KeyDownEventArgs { Key = Key.Down }));
+            AddStep("Hover second button", () => secondButton.TriggerOnHover(null));
+            AddAssert("First button not selected", () => !pauseOverlay.Buttons.First().Selected);
+            AddAssert("Second button selected", () => secondButton.Selected);
+
+            AddStep("Hide overlay", () => pauseOverlay.Hide());
+        }
+
+        /// <summary>
+        /// Tests that pressing a key after selecting a button with a hover event correctly selects a new button and deselects the previous button.
+        /// </summary>
+        private void testKeySelectionAfterMouseSelection()
+        {
+            AddStep("Show overlay", () => pauseOverlay.Show());
+
+            var secondButton = pauseOverlay.Buttons.Skip(1).First();
+
+            AddStep("Hover second button", () => secondButton.TriggerOnHover(null));
+            AddStep("Up arrow", () => pauseOverlay.TriggerOnKeyDown(null, new KeyDownEventArgs { Key = Key.Up }));
+            AddAssert("Second button not selected", () => !secondButton.Selected);
+            AddAssert("First button selected", () => pauseOverlay.Buttons.First().Selected);
+
+            AddStep("Hide overlay", () => pauseOverlay.Hide());
+        }
+
+        /// <summary>
+        /// Tests that deselecting with the mouse by losing hover will reset the overlay to the initial state.
+        /// </summary>
+        private void testMouseDeselectionResets()
+        {
+            AddStep("Show overlay", () => pauseOverlay.Show());
+
+            var secondButton = pauseOverlay.Buttons.Skip(1).First();
+
+            AddStep("Hover second button", () => secondButton.TriggerOnHover(null));
+            AddStep("Unhover second button", () => secondButton.TriggerOnHoverLost(null));
+            AddStep("Down arrow", () => pauseOverlay.TriggerOnKeyDown(null, new KeyDownEventArgs { Key = Key.Down }));
+            AddAssert("First button selected", () => pauseOverlay.Buttons.First().Selected); // Initial state condition
+
+            AddStep("Hide overlay", () => pauseOverlay.Hide());
+        }
+
+        /// <summary>
+        /// Tests that clicking on a button correctly causes a click event for that button.
+        /// </summary>
+        private void testClickSelection()
+        {
+            AddStep("Show overlay", () => pauseOverlay.Show());
+
+            var retryButton = pauseOverlay.Buttons.Skip(1).First();
+
+            bool triggered = false;
+            AddStep("Click retry button", () =>
+            {
+                var lastAction = pauseOverlay.OnRetry;
+                pauseOverlay.OnRetry = () => triggered = true;
+
+                retryButton.TriggerOnClick();
+                pauseOverlay.OnRetry = lastAction;
+            });
+
+            AddAssert("Action was triggered", () => triggered);
+            AddAssert("Overlay is closed", () => pauseOverlay.State == Visibility.Hidden);
+        }
+
+        /// <summary>
+        /// Tests that pressing the enter key with a button selected correctly causes a click event for that button.
+        /// </summary>
+        private void testEnterKeySelection()
+        {
+            AddStep("Show overlay", () => pauseOverlay.Show());
+
+            AddStep("Select second button", () =>
+            {
+                pauseOverlay.TriggerOnKeyDown(null, new KeyDownEventArgs { Key = Key.Down });
+                pauseOverlay.TriggerOnKeyDown(null, new KeyDownEventArgs { Key = Key.Down });
+            });
+
+            var retryButton = pauseOverlay.Buttons.Skip(1).First();
+
+            bool triggered = false;
+            AddStep("Press enter", () =>
+            {
+                var lastAction = pauseOverlay.OnRetry;
+                pauseOverlay.OnRetry = () => triggered = true;
+
+                retryButton.TriggerOnKeyDown(null, new KeyDownEventArgs { Key = Key.Enter });
+                pauseOverlay.OnRetry = lastAction;
+            });
+
+            AddAssert("Action was triggered", () => triggered);
+            AddAssert("Overlay is closed", () => pauseOverlay.State == Visibility.Hidden);
+        }
+    }
+}

osu.Game.Tests/Visual/TestCaseMenuOverlays.cs

@@ -1,57 +0,0 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
-// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
-
-using System.ComponentModel;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Logging;
-using osu.Game.Screens.Play;
-
-namespace osu.Game.Tests.Visual
-{
-    [Description("player pause/fail screens")]
-    internal class TestCaseMenuOverlays : OsuTestCase
-    {
-        public TestCaseMenuOverlays()
-        {
-            FailOverlay failOverlay;
-            PauseContainer.PauseOverlay pauseOverlay;
-
-            var retryCount = 0;
-
-            Add(pauseOverlay = new PauseContainer.PauseOverlay
-            {
-                OnResume = () => Logger.Log(@"Resume"),
-                OnRetry = () => Logger.Log(@"Retry"),
-                OnQuit = () => Logger.Log(@"Quit"),
-            });
-            Add(failOverlay = new FailOverlay
-            {
-                OnRetry = () => Logger.Log(@"Retry"),
-                OnQuit = () => Logger.Log(@"Quit"),
-            });
-
-            AddStep(@"Pause", delegate
-            {
-                if (failOverlay.State == Visibility.Visible)
-                {
-                    failOverlay.Hide();
-                }
-                pauseOverlay.Show();
-            });
-            AddStep("Fail", delegate
-            {
-                if (pauseOverlay.State == Visibility.Visible)
-                {
-                    pauseOverlay.Hide();
-                }
-                failOverlay.Show();
-            });
-            AddStep("Add Retry", delegate
-            {
-                retryCount++;
-                pauseOverlay.Retries = retryCount;
-                failOverlay.Retries = retryCount;
-            });
-        }
-    }
-}

osu.Game.Tests/osu.Game.Tests.csproj

@@ -110,6 +110,7 @@
     <Compile Include="Visual\TestCaseEditorComposeTimeline.cs" />
     <Compile Include="Visual\TestCaseEditorMenuBar.cs" />
     <Compile Include="Visual\TestCaseEditorSummaryTimeline.cs" />
+    <Compile Include="Visual\TestCaseEditorSelectionLayer.cs" />
     <Compile Include="Visual\TestCaseGamefield.cs" />
     <Compile Include="Visual\TestCaseGraph.cs" />
     <Compile Include="Visual\TestCaseHistoricalSection.cs" />
@@ -120,7 +121,7 @@
     <Compile Include="Visual\TestCaseLeaderboard.cs" />
     <Compile Include="Visual\TestCaseMedalOverlay.cs" />
     <Compile Include="Visual\TestCaseButtonSystem.cs" />
-    <Compile Include="Visual\TestCaseMenuOverlays.cs" />
+    <Compile Include="Visual\TestCaseGameplayMenuOverlay.cs" />
     <Compile Include="Visual\TestCaseMods.cs" />
     <Compile Include="Visual\TestCaseMusicController.cs" />
     <Compile Include="Visual\TestCaseNotificationOverlay.cs" />

osu.Game/Graphics/UserInterface/DialogButton.cs

@@ -12,6 +12,8 @@ using osu.Game.Graphics.Backgrounds;
 using osu.Game.Graphics.Sprites;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Game.Graphics.Containers;
+using osu.Framework.Configuration;
+using osu.Framework.Input;
 
 namespace osu.Game.Graphics.UserInterface
 {
@@ -22,62 +24,7 @@ namespace osu.Game.Graphics.UserInterface
         private const float glow_fade_duration = 250;
         private const float click_duration = 200;
 
-        private Color4 buttonColour;
+        public readonly BindableBool Selected = new BindableBool();
-        public Color4 ButtonColour
-        {
-            get
-            {
-                return buttonColour;
-            }
-            set
-            {
-                buttonColour = value;
-                updateGlow();
-                colourContainer.Colour = value;
-            }
-        }
-
-        private Color4 backgroundColour = OsuColour.Gray(34);
-        public Color4 BackgroundColour
-        {
-            get
-            {
-                return backgroundColour;
-            }
-            set
-            {
-                backgroundColour = value;
-                background.Colour = value;
-            }
-        }
-
-        private string text;
-        public string Text
-        {
-            get
-            {
-                return text;
-            }
-            set
-            {
-                text = value;
-                spriteText.Text = Text;
-            }
-        }
-
-        private float textSize = 28;
-        public float TextSize
-        {
-            get
-            {
-                return textSize;
-            }
-            set
-            {
-                textSize = value;
-                spriteText.TextSize = value;
-            }
-        }
 
         private readonly Container backgroundContainer;
         private readonly Container colourContainer;
@@ -89,71 +36,6 @@ namespace osu.Game.Graphics.UserInterface
         private readonly SpriteText spriteText;
         private Vector2 hoverSpacing => new Vector2(3f, 0f);
 
-        private bool didClick; // Used for making sure that the OnMouseDown animation can call instead of OnHoverLost's when clicking
-
-        public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => backgroundContainer.ReceiveMouseInputAt(screenSpacePos);
-
-        protected override bool OnClick(Framework.Input.InputState state)
-        {
-            didClick = true;
-            colourContainer.ResizeTo(new Vector2(1.5f, 1f), click_duration, Easing.In);
-            flash();
-
-            this.Delay(click_duration).Schedule(delegate
-            {
-                colourContainer.ResizeTo(new Vector2(0.8f, 1f));
-                spriteText.Spacing = Vector2.Zero;
-                glowContainer.FadeOut();
-            });
-
-            return base.OnClick(state);
-        }
-
-        protected override bool OnHover(Framework.Input.InputState state)
-        {
-            spriteText.TransformSpacingTo(hoverSpacing, hover_duration, Easing.OutElastic);
-
-            colourContainer.ResizeTo(new Vector2(hover_width, 1f), hover_duration, Easing.OutElastic);
-            glowContainer.FadeIn(glow_fade_duration, Easing.Out);
-            base.OnHover(state);
-            return true;
-        }
-
-        protected override void OnHoverLost(Framework.Input.InputState state)
-        {
-            if (!didClick)
-            {
-                colourContainer.ResizeTo(new Vector2(0.8f, 1f), hover_duration, Easing.OutElastic);
-                spriteText.TransformSpacingTo(Vector2.Zero, hover_duration, Easing.OutElastic);
-                glowContainer.FadeOut(glow_fade_duration, Easing.Out);
-            }
-
-            didClick = false;
-        }
-
-        private void flash()
-        {
-            var flash = new Box
-            {
-                RelativeSizeAxes = Axes.Both
-            };
-
-            colourContainer.Add(flash);
-
-            flash.Colour = ButtonColour;
-            flash.Blending = BlendingMode.Additive;
-            flash.Alpha = 0.3f;
-            flash.FadeOutFromOne(click_duration);
-            flash.Expire();
-        }
-
-        private void updateGlow()
-        {
-            leftGlow.Colour = ColourInfo.GradientHorizontal(new Color4(ButtonColour.R, ButtonColour.G, ButtonColour.B, 0f), ButtonColour);
-            centerGlow.Colour = ButtonColour;
-            rightGlow.Colour = ColourInfo.GradientHorizontal(ButtonColour, new Color4(ButtonColour.R, ButtonColour.G, ButtonColour.B, 0f));
-        }
-
         public DialogButton()
         {
             RelativeSizeAxes = Axes.X;
@@ -268,6 +150,135 @@ namespace osu.Game.Graphics.UserInterface
             };
 
             updateGlow();
+
+            Selected.ValueChanged += selectionChanged;
+        }
+
+        private Color4 buttonColour;
+        public Color4 ButtonColour
+        {
+            get
+            {
+                return buttonColour;
+            }
+            set
+            {
+                buttonColour = value;
+                updateGlow();
+                colourContainer.Colour = value;
+            }
+        }
+
+        private Color4 backgroundColour = OsuColour.Gray(34);
+        public Color4 BackgroundColour
+        {
+            get
+            {
+                return backgroundColour;
+            }
+            set
+            {
+                backgroundColour = value;
+                background.Colour = value;
+            }
+        }
+
+        private string text;
+        public string Text
+        {
+            get
+            {
+                return text;
+            }
+            set
+            {
+                text = value;
+                spriteText.Text = Text;
+            }
+        }
+
+        private float textSize = 28;
+        public float TextSize
+        {
+            get
+            {
+                return textSize;
+            }
+            set
+            {
+                textSize = value;
+                spriteText.TextSize = value;
+            }
+        }
+
+        public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => backgroundContainer.ReceiveMouseInputAt(screenSpacePos);
+
+        protected override bool OnClick(InputState state)
+        {
+            colourContainer.ResizeTo(new Vector2(1.5f, 1f), click_duration, Easing.In);
+            flash();
+
+            this.Delay(click_duration).Schedule(delegate
+            {
+                colourContainer.ResizeTo(new Vector2(0.8f, 1f));
+                spriteText.Spacing = Vector2.Zero;
+                glowContainer.FadeOut();
+            });
+
+            return base.OnClick(state);
+        }
+
+        protected override bool OnHover(InputState state)
+        {
+            base.OnHover(state);
+
+            Selected.Value = true;
+            return true;
+        }
+
+        protected override void OnHoverLost(InputState state)
+        {
+            base.OnHoverLost(state);
+            Selected.Value = false;
+        }
+
+        private void selectionChanged(bool isSelected)
+        {
+            if (isSelected)
+            {
+                spriteText.TransformSpacingTo(hoverSpacing, hover_duration, Easing.OutElastic);
+                colourContainer.ResizeTo(new Vector2(hover_width, 1f), hover_duration, Easing.OutElastic);
+                glowContainer.FadeIn(glow_fade_duration, Easing.Out);
+            }
+            else
+            {
+                colourContainer.ResizeTo(new Vector2(0.8f, 1f), hover_duration, Easing.OutElastic);
+                spriteText.TransformSpacingTo(Vector2.Zero, hover_duration, Easing.OutElastic);
+                glowContainer.FadeOut(glow_fade_duration, Easing.Out);
+            }
+        }
+
+        private void flash()
+        {
+            var flash = new Box
+            {
+                RelativeSizeAxes = Axes.Both
+            };
+
+            colourContainer.Add(flash);
+
+            flash.Colour = ButtonColour;
+            flash.Blending = BlendingMode.Additive;
+            flash.Alpha = 0.3f;
+            flash.FadeOutFromOne(click_duration);
+            flash.Expire();
+        }
+
+        private void updateGlow()
+        {
+            leftGlow.Colour = ColourInfo.GradientHorizontal(new Color4(ButtonColour.R, ButtonColour.G, ButtonColour.B, 0f), ButtonColour);
+            centerGlow.Colour = ButtonColour;
+            rightGlow.Colour = ColourInfo.GradientHorizontal(ButtonColour, new Color4(ButtonColour.R, ButtonColour.G, ButtonColour.B, 0f));
         }
     }
 }

osu.Game/Overlays/Profile/ProfileHeader.cs

@@ -53,6 +53,7 @@ namespace osu.Game.Overlays.Profile
                 {
                     RelativeSizeAxes = Axes.X,
                     Height = cover_height,
+                    Masking = true,
                     Children = new Drawable[]
                     {
                         new Box
@@ -324,8 +325,7 @@ namespace osu.Game.Overlays.Profile
                 FillMode = FillMode.Fill,
                 OnLoadComplete = d => d.FadeInFromZero(200),
                 Depth = float.MaxValue,
-            },
+            }, coverContainer.Add);
-            coverContainer.Add);
 
             if (user.IsSupporter) supporterTag.Show();
 
@@ -514,7 +514,7 @@ namespace osu.Game.Overlays.Profile
                 {
                     set
                     {
-                        if(value != null)
+                        if (value != null)
                             content.Action = () => Process.Start(value);
                     }
                 }

osu.Game/Rulesets/Edit/HitObjectComposer.cs

@@ -12,6 +12,7 @@ using osu.Framework.Graphics.Shapes;
 using osu.Framework.Logging;
 using osu.Framework.Timing;
 using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Edit.Layers.Selection;
 using osu.Game.Rulesets.Edit.Tools;
 using osu.Game.Rulesets.UI;
 using osu.Game.Screens.Edit.Screens.Compose.RadioButtons;
@@ -77,7 +78,8 @@ namespace osu.Game.Rulesets.Edit
                                     Alpha = 0,
                                     AlwaysPresent = true,
                                 },
-                                rulesetContainer
+                                rulesetContainer,
+                                new SelectionLayer(rulesetContainer.Playfield)
                             }
                         }
                     },

osu.Game/Rulesets/Edit/Layers/Selection/Handle.cs

@@ -0,0 +1,105 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Primitives;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Input;
+using osu.Game.Graphics;
+using OpenTK;
+using OpenTK.Graphics;
+
+namespace osu.Game.Rulesets.Edit.Layers.Selection
+{
+    /// <summary>
+    /// Represents a marker visible on the border of a <see cref="HandleContainer"/> which exposes
+    /// properties that are used to resize a <see cref="HitObjectSelectionBox"/>.
+    /// </summary>
+    public class Handle : CompositeDrawable
+    {
+        private const float marker_size = 10;
+
+        /// <summary>
+        /// Invoked when this <see cref="Handle"/> requires the current drag rectangle.
+        /// </summary>
+        public Func<RectangleF> GetDragRectangle;
+
+        /// <summary>
+        /// Invoked when this <see cref="Handle"/> wants to update the drag rectangle.
+        /// </summary>
+        public Action<RectangleF> UpdateDragRectangle;
+
+        /// <summary>
+        /// Invoked when this <see cref="Handle"/> has finished updates to the drag rectangle.
+        /// </summary>
+        public Action FinishDrag;
+
+        private Color4 normalColour;
+        private Color4 hoverColour;
+
+        public Handle()
+        {
+            Size = new Vector2(marker_size);
+
+            InternalChild = new CircularContainer
+            {
+                RelativeSizeAxes = Axes.Both,
+                Masking = true,
+                Child = new Box { RelativeSizeAxes = Axes.Both }
+            };
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            Colour = normalColour = colours.Yellow;
+            hoverColour = colours.YellowDarker;
+        }
+
+        protected override bool OnDragStart(InputState state) => true;
+
+        protected override bool OnDrag(InputState state)
+        {
+            var currentRectangle = GetDragRectangle();
+
+            float left = currentRectangle.Left;
+            float right = currentRectangle.Right;
+            float top = currentRectangle.Top;
+            float bottom = currentRectangle.Bottom;
+
+            // Apply modifications to the capture rectangle
+            if ((Anchor & Anchor.y0) > 0)
+                top += state.Mouse.Delta.Y;
+            else if ((Anchor & Anchor.y2) > 0)
+                bottom += state.Mouse.Delta.Y;
+
+            if ((Anchor & Anchor.x0) > 0)
+                left += state.Mouse.Delta.X;
+            else if ((Anchor & Anchor.x2) > 0)
+                right += state.Mouse.Delta.X;
+
+            UpdateDragRectangle(RectangleF.FromLTRB(left, top, right, bottom));
+            return true;
+        }
+
+        protected override bool OnDragEnd(InputState state)
+        {
+            FinishDrag();
+            return true;
+        }
+
+        protected override bool OnHover(InputState state)
+        {
+            this.FadeColour(hoverColour, 100);
+            return true;
+        }
+
+        protected override void OnHoverLost(InputState state)
+        {
+            this.FadeColour(normalColour, 100);
+        }
+    }
+}

osu.Game/Rulesets/Edit/Layers/Selection/HandleContainer.cs

@@ -0,0 +1,92 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using System.Linq;
+using osu.Framework.Extensions.IEnumerableExtensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Primitives;
+
+namespace osu.Game.Rulesets.Edit.Layers.Selection
+{
+    /// <summary>
+    /// A <see cref="CompositeDrawable"/> that has <see cref="Handle"/>s around its border.
+    /// </summary>
+    public class HandleContainer : CompositeDrawable
+    {
+        /// <summary>
+        /// Invoked when a <see cref="Handle"/> requires the current drag rectangle.
+        /// </summary>
+        public Func<RectangleF> GetDragRectangle;
+
+        /// <summary>
+        /// Invoked when a <see cref="Handle"/> wants to update the drag rectangle.
+        /// </summary>
+        public Action<RectangleF> UpdateDragRectangle;
+
+        /// <summary>
+        /// Invoked when a <see cref="Handle"/> has finished updates to the drag rectangle.
+        /// </summary>
+        public Action FinishDrag;
+
+        public HandleContainer()
+        {
+            InternalChildren = new Drawable[]
+            {
+                new Handle
+                {
+                    Anchor = Anchor.TopLeft,
+                    Origin = Anchor.Centre
+                },
+                new Handle
+                {
+                    Anchor = Anchor.TopCentre,
+                    Origin = Anchor.Centre
+                },
+                new Handle
+                {
+                    Anchor = Anchor.TopRight,
+                    Origin = Anchor.Centre
+                },
+                new Handle
+                {
+                    Anchor = Anchor.CentreLeft,
+                    Origin = Anchor.Centre
+                },
+                new Handle
+                {
+                    Anchor = Anchor.BottomLeft,
+                    Origin = Anchor.Centre
+                },
+                new Handle
+                {
+                    Anchor = Anchor.CentreRight,
+                    Origin = Anchor.Centre
+                },
+                new Handle
+                {
+                    Anchor = Anchor.BottomRight,
+                    Origin = Anchor.Centre
+                },
+                new Handle
+                {
+                    Anchor = Anchor.BottomCentre,
+                    Origin = Anchor.Centre
+                },
+                new OriginHandle
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre
+                }
+            };
+
+            InternalChildren.OfType<Handle>().ForEach(m =>
+            {
+                m.GetDragRectangle = () => GetDragRectangle();
+                m.UpdateDragRectangle = r => UpdateDragRectangle(r);
+                m.FinishDrag = () => FinishDrag();
+            });
+        }
+    }
+}

osu.Game/Rulesets/Edit/Layers/Selection/HitObjectSelectionBox.cs

@@ -0,0 +1,178 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using System.Collections.Generic;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Primitives;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Graphics;
+using osu.Game.Rulesets.Objects.Drawables;
+using OpenTK;
+using OpenTK.Graphics;
+using osu.Framework.Configuration;
+
+namespace osu.Game.Rulesets.Edit.Layers.Selection
+{
+    /// <summary>
+    /// A box that represents a drag selection.
+    /// </summary>
+    public class HitObjectSelectionBox : CompositeDrawable
+    {
+        public readonly Bindable<SelectionInfo> Selection = new Bindable<SelectionInfo>();
+
+        /// <summary>
+        /// The <see cref="DrawableHitObject"/>s that can be selected through a drag-selection.
+        /// </summary>
+        public IEnumerable<DrawableHitObject> CapturableObjects;
+
+        private readonly Container borderMask;
+        private readonly Drawable background;
+        private readonly HandleContainer handles;
+
+        private Color4 captureFinishedColour;
+
+        private readonly Vector2 startPos;
+
+        /// <summary>
+        /// Creates a new <see cref="HitObjectSelectionBox"/>.
+        /// </summary>
+        /// <param name="startPos">The point at which the drag was initiated, in the parent's coordinates.</param>
+        public HitObjectSelectionBox(Vector2 startPos)
+        {
+            this.startPos = startPos;
+
+            InternalChildren = new Drawable[]
+            {
+                new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Padding = new MarginPadding(-1),
+                    Child = borderMask = new Container
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Masking = true,
+                        BorderColour = Color4.White,
+                        BorderThickness = 2,
+                        MaskingSmoothness = 1,
+                        Child = background = new Box
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            Alpha = 0.1f,
+                            AlwaysPresent = true
+                        },
+                    }
+                },
+                handles = new HandleContainer
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Alpha = 0,
+                    GetDragRectangle = () => dragRectangle,
+                    UpdateDragRectangle = updateDragRectangle,
+                    FinishDrag = FinishCapture
+                }
+            };
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            captureFinishedColour = colours.Yellow;
+        }
+
+        /// <summary>
+        /// The secondary corner of the drag selection box. A rectangle will be fit between the starting position and this value.
+        /// </summary>
+        public Vector2 DragEndPosition { set => updateDragRectangle(RectangleF.FromLTRB(startPos.X, startPos.Y, value.X, value.Y)); }
+
+        private RectangleF dragRectangle;
+        private void updateDragRectangle(RectangleF rectangle)
+        {
+            dragRectangle = rectangle;
+
+            Position = new Vector2(
+                Math.Min(rectangle.Left, rectangle.Right),
+                Math.Min(rectangle.Top, rectangle.Bottom));
+
+            Size = new Vector2(
+                Math.Max(rectangle.Left, rectangle.Right) - Position.X,
+                Math.Max(rectangle.Top, rectangle.Bottom) - Position.Y);
+        }
+
+        private readonly List<DrawableHitObject> capturedHitObjects = new List<DrawableHitObject>();
+
+        /// <summary>
+        /// Processes hitobjects to determine which ones are captured by the drag selection.
+        /// Captured hitobjects will be enclosed by the drag selection upon <see cref="FinishCapture"/>.
+        /// </summary>
+        public void BeginCapture()
+        {
+            capturedHitObjects.Clear();
+
+            foreach (var obj in CapturableObjects)
+            {
+                if (!obj.IsAlive || !obj.IsPresent)
+                    continue;
+
+                if (ScreenSpaceDrawQuad.Contains(obj.SelectionPoint))
+                    capturedHitObjects.Add(obj);
+            }
+        }
+
+        /// <summary>
+        /// Encloses hitobjects captured through <see cref="BeginCapture"/> in the drag selection box.
+        /// </summary>
+        public void FinishCapture()
+        {
+            if (capturedHitObjects.Count == 0)
+            {
+                Hide();
+                return;
+            }
+
+            // Move the rectangle to cover the hitobjects
+            var topLeft = new Vector2(float.MaxValue, float.MaxValue);
+            var bottomRight = new Vector2(float.MinValue, float.MinValue);
+
+            foreach (var obj in capturedHitObjects)
+            {
+                topLeft = Vector2.ComponentMin(topLeft, Parent.ToLocalSpace(obj.SelectionQuad.TopLeft));
+                bottomRight = Vector2.ComponentMax(bottomRight, Parent.ToLocalSpace(obj.SelectionQuad.BottomRight));
+            }
+
+            topLeft -= new Vector2(5);
+            bottomRight += new Vector2(5);
+
+            this.MoveTo(topLeft, 200, Easing.OutQuint)
+                .ResizeTo(bottomRight - topLeft, 200, Easing.OutQuint);
+
+            dragRectangle = RectangleF.FromLTRB(topLeft.X, topLeft.Y, bottomRight.X, bottomRight.Y);
+
+            borderMask.BorderThickness = 3;
+            borderMask.FadeColour(captureFinishedColour, 200);
+
+            // Transform into markers to let the user modify the drag selection further.
+            background.Delay(50).FadeOut(200);
+            handles.FadeIn(200);
+
+            Selection.Value = new SelectionInfo
+            {
+                Objects = capturedHitObjects,
+                SelectionQuad = Parent.ToScreenSpace(dragRectangle)
+            };
+        }
+
+        private bool isActive = true;
+        public override bool HandleInput => isActive;
+
+        public override void Hide()
+        {
+            isActive = false;
+            this.FadeOut(400, Easing.OutQuint).Expire();
+
+            Selection.Value = null;
+        }
+    }
+}

osu.Game/Rulesets/Edit/Layers/Selection/OriginHandle.cs

@@ -0,0 +1,50 @@
+// Copyright (c) 2007-2017 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.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Graphics;
+using OpenTK;
+
+namespace osu.Game.Rulesets.Edit.Layers.Selection
+{
+    /// <summary>
+    /// Represents the origin of a <see cref="HandleContainer"/>.
+    /// </summary>
+    public class OriginHandle : CompositeDrawable
+    {
+        private const float marker_size = 10;
+        private const float line_width = 2;
+
+        public OriginHandle()
+        {
+            Size = new Vector2(marker_size);
+
+            InternalChildren = new[]
+            {
+                new Box
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    RelativeSizeAxes = Axes.X,
+                    Height = line_width
+                },
+                new Box
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    RelativeSizeAxes = Axes.Y,
+                    Width = line_width
+                },
+            };
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            Colour = colours.Yellow;
+        }
+    }
+}

osu.Game/Rulesets/Edit/Layers/Selection/SelectionInfo.cs

@@ -0,0 +1,22 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.Collections.Generic;
+using osu.Framework.Graphics.Primitives;
+using osu.Game.Rulesets.Objects.Drawables;
+
+namespace osu.Game.Rulesets.Edit.Layers.Selection
+{
+    public class SelectionInfo
+    {
+        /// <summary>
+        /// The objects that are captured by the selection.
+        /// </summary>
+        public IEnumerable<DrawableHitObject> Objects;
+
+        /// <summary>
+        /// The screen space quad of the selection box surrounding <see cref="Objects"/>.
+        /// </summary>
+        public Quad SelectionQuad;
+    }
+}

osu.Game/Rulesets/Edit/Layers/Selection/SelectionLayer.cs

@@ -0,0 +1,61 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Configuration;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Input;
+using osu.Game.Rulesets.UI;
+
+namespace osu.Game.Rulesets.Edit.Layers.Selection
+{
+    public class SelectionLayer : CompositeDrawable
+    {
+        public readonly Bindable<SelectionInfo> Selection = new Bindable<SelectionInfo>();
+
+        private readonly Playfield playfield;
+
+        public SelectionLayer(Playfield playfield)
+        {
+            this.playfield = playfield;
+
+            RelativeSizeAxes = Axes.Both;
+        }
+
+        private HitObjectSelectionBox selectionBoxBox;
+
+        protected override bool OnDragStart(InputState state)
+        {
+            // Hide the previous drag box - we won't be working with it any longer
+            selectionBoxBox?.Hide();
+
+            AddInternal(selectionBoxBox = new HitObjectSelectionBox(ToLocalSpace(state.Mouse.NativeState.Position))
+            {
+                CapturableObjects = playfield.HitObjects.Objects,
+            });
+
+            Selection.BindTo(selectionBoxBox.Selection);
+
+            return true;
+        }
+
+        protected override bool OnDrag(InputState state)
+        {
+            selectionBoxBox.DragEndPosition = ToLocalSpace(state.Mouse.NativeState.Position);
+            selectionBoxBox.BeginCapture();
+            return true;
+        }
+
+        protected override bool OnDragEnd(InputState state)
+        {
+            selectionBoxBox.FinishCapture();
+            return true;
+        }
+
+        protected override bool OnClick(InputState state)
+        {
+            selectionBoxBox?.Hide();
+            return true;
+        }
+    }
+}

osu.Game/Rulesets/Objects/Drawables/DrawableHitObject.cs

@@ -14,6 +14,8 @@ using osu.Game.Audio;
 using System.Linq;
 using osu.Game.Graphics;
 using osu.Framework.Configuration;
+using OpenTK;
+using osu.Framework.Graphics.Primitives;
 
 namespace osu.Game.Rulesets.Objects.Drawables
 {
@@ -38,6 +40,16 @@ namespace osu.Game.Rulesets.Objects.Drawables
         {
             HitObject = hitObject;
         }
+
+        /// <summary>
+        /// The screen-space point that causes this <see cref="DrawableHitObject"/> to be selected in the Editor.
+        /// </summary>
+        public virtual Vector2 SelectionPoint => ScreenSpaceDrawQuad.Centre;
+
+        /// <summary>
+        /// The screen-space quad that outlines this <see cref="DrawableHitObject"/> for selections in the Editor.
+        /// </summary>
+        public virtual Quad SelectionQuad => ScreenSpaceDrawQuad;
     }
 
     public abstract class DrawableHitObject<TObject> : DrawableHitObject

osu.Game/Rulesets/UI/RulesetContainer.cs

@@ -55,10 +55,11 @@ namespace osu.Game.Rulesets.UI
 
         public abstract IEnumerable<HitObject> Objects { get; }
 
+        private readonly Lazy<Playfield> playfield;
         /// <summary>
         /// The playfield.
         /// </summary>
-        public Playfield Playfield { get; protected set; }
+        public Playfield Playfield => playfield.Value;
 
         protected readonly Ruleset Ruleset;
 
@@ -69,6 +70,7 @@ namespace osu.Game.Rulesets.UI
         protected RulesetContainer(Ruleset ruleset)
         {
             Ruleset = ruleset;
+            playfield = new Lazy<Playfield>(CreatePlayfield);
         }
 
         public abstract ScoreProcessor CreateScoreProcessor();
@@ -95,6 +97,12 @@ namespace osu.Game.Rulesets.UI
             Replay = replay;
             ReplayInputManager.ReplayInputHandler = replay != null ? CreateReplayInputHandler(replay) : null;
         }
+
+        /// <summary>
+        /// Creates a Playfield.
+        /// </summary>
+        /// <returns>The Playfield.</returns>
+        protected abstract Playfield CreatePlayfield();
     }
 
     /// <summary>
@@ -198,7 +206,7 @@ namespace osu.Game.Rulesets.UI
             });
 
             AddInternal(KeyBindingInputManager);
-            KeyBindingInputManager.Add(Playfield = CreatePlayfield());
+            KeyBindingInputManager.Add(Playfield);
 
             loadObjects();
         }
@@ -286,12 +294,6 @@ namespace osu.Game.Rulesets.UI
         /// <param name="h">The HitObject to make drawable.</param>
         /// <returns>The DrawableHitObject.</returns>
         protected abstract DrawableHitObject<TObject> GetVisualRepresentation(TObject h);
-
-        /// <summary>
-        /// Creates a Playfield.
-        /// </summary>
-        /// <returns>The Playfield.</returns>
-        protected abstract Playfield CreatePlayfield();
     }
 
     /// <summary>

osu.Game/Screens/Play/FailOverlay.cs

@@ -10,7 +10,7 @@ using System.Linq;
 
 namespace osu.Game.Screens.Play
 {
-    public class FailOverlay : MenuOverlay
+    public class FailOverlay : GameplayMenuOverlay
     {
         public override string Header => "failed";
         public override string Description => "you're dead, try again?";
@@ -18,15 +18,15 @@ namespace osu.Game.Screens.Play
         [BackgroundDependencyLoader]
         private void load(OsuColour colours)
         {
-            AddButton("Retry", colours.YellowDark, OnRetry);
+            AddButton("Retry", colours.YellowDark, () => OnRetry?.Invoke());
-            AddButton("Quit", new Color4(170, 27, 39, 255), OnQuit);
+            AddButton("Quit", new Color4(170, 27, 39, 255), () => OnQuit?.Invoke());
         }
 
         protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
         {
             if (!args.Repeat && args.Key == Key.Escape)
             {
-                Buttons.Children.Last().TriggerOnClick();
+                InternalButtons.Children.Last().TriggerOnClick();
                 return true;
             }
 

osu.Game/Screens/Play/GameplayMenuOverlay.cs

@@ -13,10 +13,12 @@ using osu.Game.Graphics;
 using osu.Framework.Allocation;
 using osu.Game.Graphics.UserInterface;
 using osu.Framework.Graphics.Shapes;
+using OpenTK.Input;
+using System.Collections.Generic;
 
 namespace osu.Game.Screens.Play
 {
-    public abstract class MenuOverlay : OverlayContainer, IRequireHighFrequencyMousePosition
+    public abstract class GameplayMenuOverlay : OverlayContainer, IRequireHighFrequencyMousePosition
     {
         private const int transition_duration = 200;
         private const int button_height = 70;
@@ -30,75 +32,16 @@ namespace osu.Game.Screens.Play
         public abstract string Header { get; }
         public abstract string Description { get; }
 
-        protected FillFlowContainer<DialogButton> Buttons;
+        protected internal FillFlowContainer<DialogButton> InternalButtons;
-
+        public IReadOnlyList<DialogButton> Buttons => InternalButtons;
-        public int Retries
-        {
-            set
-            {
-                if (retryCounterContainer != null)
-                {
-                    // "You've retried 1,065 times in this session"
-                    // "You've retried 1 time in this session"
-
-                    retryCounterContainer.Children = new Drawable[]
-                    {
-                        new OsuSpriteText
-                        {
-                            Text = "You've retried ",
-                            Shadow = true,
-                            ShadowColour = new Color4(0, 0, 0, 0.25f),
-                            TextSize = 18
-                        },
-                        new OsuSpriteText
-                        {
-                            Text = $"{value:n0}",
-                            Font = @"Exo2.0-Bold",
-                            Shadow = true,
-                            ShadowColour = new Color4(0, 0, 0, 0.25f),
-                            TextSize = 18
-                        },
-                        new OsuSpriteText
-                        {
-                            Text = $" time{(value == 1 ? "" : "s")} in this session",
-                            Shadow = true,
-                            ShadowColour = new Color4(0, 0, 0, 0.25f),
-                            TextSize = 18
-                        }
-                    };
-                }
-            }
-        }
 
         private FillFlowContainer retryCounterContainer;
 
-        public override bool HandleInput => State == Visibility.Visible;
+        protected GameplayMenuOverlay()
-
-        protected override void PopIn() => this.FadeIn(transition_duration, Easing.In);
-        protected override void PopOut() => this.FadeOut(transition_duration, Easing.In);
-
-        // Don't let mouse down events through the overlay or people can click circles while paused.
-        protected override bool OnMouseDown(InputState state, MouseDownEventArgs args) => true;
-
-        protected override bool OnMouseUp(InputState state, MouseUpEventArgs args) => true;
-
-        protected override bool OnMouseMove(InputState state) => true;
-
-        protected void AddButton(string text, Color4 colour, Action action)
         {
-            Buttons.Add(new Button
+            RelativeSizeAxes = Axes.Both;
-            {
+
-                Text = text,
+            StateChanged += s => selectionIndex = -1;
-                ButtonColour = colour,
-                Origin = Anchor.TopCentre,
-                Anchor = Anchor.TopCentre,
-                Height = button_height,
-                Action = delegate
-                {
-                    action?.Invoke();
-                    Hide();
-                }
-            });
         }
 
         [BackgroundDependencyLoader]
@@ -154,7 +97,7 @@ namespace osu.Game.Screens.Play
                                 }
                             }
                         },
-                        Buttons = new FillFlowContainer<DialogButton>
+                        InternalButtons = new FillFlowContainer<DialogButton>
                         {
                             Origin = Anchor.TopCentre,
                             Anchor = Anchor.TopCentre,
@@ -182,13 +125,140 @@ namespace osu.Game.Screens.Play
             Retries = 0;
         }
 
-        protected MenuOverlay()
+        public int Retries
         {
-            RelativeSizeAxes = Axes.Both;
+            set
+            {
+                if (retryCounterContainer != null)
+                {
+                    // "You've retried 1,065 times in this session"
+                    // "You've retried 1 time in this session"
+
+                    retryCounterContainer.Children = new Drawable[]
+                    {
+                        new OsuSpriteText
+                        {
+                            Text = "You've retried ",
+                            Shadow = true,
+                            ShadowColour = new Color4(0, 0, 0, 0.25f),
+                            TextSize = 18
+                        },
+                        new OsuSpriteText
+                        {
+                            Text = $"{value:n0}",
+                            Font = @"Exo2.0-Bold",
+                            Shadow = true,
+                            ShadowColour = new Color4(0, 0, 0, 0.25f),
+                            TextSize = 18
+                        },
+                        new OsuSpriteText
+                        {
+                            Text = $" time{(value == 1 ? "" : "s")} in this session",
+                            Shadow = true,
+                            ShadowColour = new Color4(0, 0, 0, 0.25f),
+                            TextSize = 18
+                        }
+                    };
+                }
+            }
         }
 
-        public class Button : DialogButton
+        public override bool HandleInput => State == Visibility.Visible;
+
+        protected override void PopIn() => this.FadeIn(transition_duration, Easing.In);
+        protected override void PopOut() => this.FadeOut(transition_duration, Easing.In);
+
+        // Don't let mouse down events through the overlay or people can click circles while paused.
+        protected override bool OnMouseDown(InputState state, MouseDownEventArgs args) => true;
+
+        protected override bool OnMouseUp(InputState state, MouseUpEventArgs args) => true;
+
+        protected override bool OnMouseMove(InputState state) => true;
+
+        protected void AddButton(string text, Color4 colour, Action action)
         {
+            var button = new Button
+            {
+                Text = text,
+                ButtonColour = colour,
+                Origin = Anchor.TopCentre,
+                Anchor = Anchor.TopCentre,
+                Height = button_height,
+                Action = delegate
+                {
+                    action?.Invoke();
+                    Hide();
+                }
+            };
+
+            button.Selected.ValueChanged += s => buttonSelectionChanged(button, s);
+
+            InternalButtons.Add(button);
+        }
+
+        private int _selectionIndex = -1;
+        private int selectionIndex
+        {
+            get { return _selectionIndex; }
+            set
+            {
+                if (_selectionIndex == value)
+                    return;
+
+                // Deselect the previously-selected button
+                if (_selectionIndex != -1)
+                    InternalButtons[_selectionIndex].Selected.Value = false;
+
+                _selectionIndex = value;
+
+                // Select the newly-selected button
+                if (_selectionIndex != -1)
+                    InternalButtons[_selectionIndex].Selected.Value = true;
+            }
+        }
+
+        protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
+        {
+            if (args.Repeat)
+                return false;
+
+            switch (args.Key)
+            {
+                case Key.Up:
+                    if (selectionIndex == -1 || selectionIndex == 0)
+                        selectionIndex = InternalButtons.Count - 1;
+                    else
+                        selectionIndex--;
+                    return true;
+                case Key.Down:
+                    if (selectionIndex == -1 || selectionIndex == InternalButtons.Count - 1)
+                        selectionIndex = 0;
+                    else
+                        selectionIndex++;
+                    return true;
+            }
+
+            return false;
+        }
+
+        private void buttonSelectionChanged(DialogButton button, bool isSelected)
+        {
+            if (!isSelected)
+                selectionIndex = -1;
+            else
+                selectionIndex = InternalButtons.IndexOf(button);
+        }
+
+        private class Button : DialogButton
+        {
+            protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
+            {
+                if (args.Repeat || args.Key != Key.Enter || !Selected)
+                    return false;
+
+                OnClick(state);
+                return true;
+            }
         }
     }
 }

osu.Game/Screens/Play/PauseContainer.cs

@@ -119,7 +119,7 @@ namespace osu.Game.Screens.Play
             base.Update();
         }
 
-        public class PauseOverlay : MenuOverlay
+        public class PauseOverlay : GameplayMenuOverlay
         {
             public Action OnResume;
 
@@ -130,7 +130,7 @@ namespace osu.Game.Screens.Play
             {
                 if (!args.Repeat && args.Key == Key.Escape)
                 {
-                    Buttons.Children.First().TriggerOnClick();
+                    InternalButtons.Children.First().TriggerOnClick();
                     return true;
                 }
 
@@ -140,9 +140,9 @@ namespace osu.Game.Screens.Play
             [BackgroundDependencyLoader]
             private void load(OsuColour colours)
             {
-                AddButton("Continue", colours.Green, OnResume);
+                AddButton("Continue", colours.Green, () => OnResume?.Invoke());
-                AddButton("Retry", colours.YellowDark, OnRetry);
+                AddButton("Retry", colours.YellowDark, () => OnRetry?.Invoke());
-                AddButton("Quit", new Color4(170, 27, 39, 255), OnQuit);
+                AddButton("Quit", new Color4(170, 27, 39, 255), () => OnQuit?.Invoke());
             }
         }
     }

osu.Game/osu.Game.csproj

@@ -307,6 +307,12 @@
     <Compile Include="Overlays\Profile\Sections\Ranks\DrawableTotalScore.cs" />
     <Compile Include="Overlays\Profile\Sections\Ranks\ScoreModsContainer.cs" />
     <Compile Include="Overlays\Settings\SettingsButton.cs" />
+    <Compile Include="Rulesets\Edit\Layers\Selection\OriginHandle.cs" />
+    <Compile Include="Rulesets\Edit\Layers\Selection\HitObjectSelectionBox.cs" />
+    <Compile Include="Rulesets\Edit\Layers\Selection\Handle.cs" />
+    <Compile Include="Rulesets\Edit\Layers\Selection\HandleContainer.cs" />
+    <Compile Include="Rulesets\Edit\Layers\Selection\SelectionInfo.cs" />
+    <Compile Include="Rulesets\Edit\Layers\Selection\SelectionLayer.cs" />
     <Compile Include="Screens\Edit\Components\BottomBarContainer.cs" />
     <Compile Include="Screens\Edit\Components\PlaybackControl.cs" />
     <Compile Include="Screens\Edit\Components\TimeInfoContainer.cs" />
@@ -719,7 +725,7 @@
     <Compile Include="Screens\Play\KeyCounterCollection.cs" />
     <Compile Include="Screens\Play\KeyCounterKeyboard.cs" />
     <Compile Include="Screens\Play\KeyCounterMouse.cs" />
-    <Compile Include="Screens\Play\MenuOverlay.cs" />
+    <Compile Include="Screens\Play\GameplayMenuOverlay.cs" />
     <Compile Include="Screens\Play\PauseContainer.cs" />
     <Compile Include="Screens\Play\Player.cs" />
     <Compile Include="Screens\Play\PlayerLoader.cs" />