Merge remote-tracking branch 'upstream/master' into toggle-cursor-trail

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

@@ -0,0 +1,98 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Input.Bindings;
+using osu.Game.Rulesets.Osu.Configuration;
+using osu.Game.Rulesets.UI;
+
+namespace osu.Game.Rulesets.Osu.UI.Cursor
+{
+    public class OsuCursorContainer : GameplayCursorContainer, IKeyBindingHandler<OsuAction>
+    {
+        protected override Drawable CreateCursor() => new OsuCursor();
+
+        protected override Container<Drawable> Content => fadeContainer;
+
+        private readonly Container<Drawable> fadeContainer;
+
+        private readonly Bindable<bool> showTrail = new Bindable<bool>(true);
+
+        private readonly CursorTrail cursorTrail;
+
+        public OsuCursorContainer()
+        {
+            InternalChild = fadeContainer = new Container
+            {
+                RelativeSizeAxes = Axes.Both,
+                Children = new Drawable[]
+                {
+                    cursorTrail = new CursorTrail { Depth = 1 }
+                }
+            };
+        }
+
+        [BackgroundDependencyLoader(true)]
+        private void load(OsuRulesetConfigManager config)
+        {
+            config?.BindWith(OsuRulesetSetting.ShowCursorTrail, showTrail);
+
+            showTrail.BindValueChanged(v => cursorTrail.FadeTo(v.NewValue ? 1 : 0, 200), true);
+        }
+
+        private int downCount;
+
+        private void updateExpandedState()
+        {
+            if (downCount > 0)
+                (ActiveCursor as OsuCursor)?.Expand();
+            else
+                (ActiveCursor as OsuCursor)?.Contract();
+        }
+
+        public bool OnPressed(OsuAction action)
+        {
+            switch (action)
+            {
+                case OsuAction.LeftButton:
+                case OsuAction.RightButton:
+                    downCount++;
+                    updateExpandedState();
+                    break;
+            }
+
+            return false;
+        }
+
+        public bool OnReleased(OsuAction action)
+        {
+            switch (action)
+            {
+                case OsuAction.LeftButton:
+                case OsuAction.RightButton:
+                    if (--downCount == 0)
+                        updateExpandedState();
+                    break;
+            }
+
+            return false;
+        }
+
+        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()
+        {
+            fadeContainer.FadeTo(1, 300, Easing.OutQuint);
+            ActiveCursor.ScaleTo(1, 400, Easing.OutQuint);
+        }
+
+        protected override void PopOut()
+        {
+            fadeContainer.FadeTo(0.05f, 450, Easing.OutQuint);
+            ActiveCursor.ScaleTo(0.8f, 450, Easing.OutQuint);
+        }
+    }
+}