implement UnderscoredLinkContainer

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

@@ -0,0 +1,79 @@
+// 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.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Input.Events;
+using osu.Game.Graphics.Sprites;
+using System;
+using System.Collections.Generic;
+
+namespace osu.Game.Overlays.Profile.Sections
+{
+    public class UnderscoredLinkContainer : Container
+    {
+        private const int duration = 200;
+        public Action ClickAction;
+        private readonly Container underscore;
+        private readonly FillFlowContainer<OsuSpriteText> textContent;
+
+        public IReadOnlyList<OsuSpriteText> Text
+        {
+            get => textContent.Children;
+            set
+            {
+                textContent.Clear();
+                textContent.AddRange(value);
+            }
+        }
+
+        public UnderscoredLinkContainer()
+        {
+            AutoSizeAxes = Axes.Both;
+            Child = new Container
+            {
+                AutoSizeAxes = Axes.Both,
+                Children = new Drawable[]
+                {
+                    underscore = new Container
+                    {
+                        Anchor = Anchor.BottomLeft,
+                        Origin = Anchor.BottomLeft,
+                        RelativeSizeAxes = Axes.X,
+                        Height = 1,
+                        Alpha = 0,
+                        AlwaysPresent = true,
+                        Child = new Box
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                        }
+                    },
+                    textContent = new FillFlowContainer<OsuSpriteText>
+                    {
+                        Direction = FillDirection.Horizontal,
+                        AutoSizeAxes = Axes.Both,
+                    },
+                },
+            };
+        }
+
+        protected override bool OnHover(HoverEvent e)
+        {
+            underscore.FadeIn(duration, Easing.OutQuint);
+            return base.OnHover(e);
+        }
+
+        protected override void OnHoverLost(HoverLostEvent e)
+        {
+            underscore.FadeOut(duration, Easing.OutQuint);
+            base.OnHoverLost(e);
+        }
+
+        protected override bool OnClick(ClickEvent e)
+        {
+            ClickAction?.Invoke();
+            return base.OnClick(e);
+        }
+    }
+}