Add tooltip showing contents of mod preset

osu.Game/Overlays/Mods/ModPresetPanel.cs

@@ -3,17 +3,22 @@
 
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
+using osu.Framework.Graphics.Cursor;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Mods;
 
 namespace osu.Game.Overlays.Mods
 {
-    public class ModPresetPanel : ModSelectOverlayPanel
+    public class ModPresetPanel : ModSelectOverlayPanel, IHasCustomTooltip<ModPreset>
     {
+        public readonly ModPreset Preset;
+
         public override BindableBool Active { get; } = new BindableBool();
 
         public ModPresetPanel(ModPreset preset)
         {
+            Preset = preset;
+
             Title = preset.Name;
             Description = preset.Description;
         }
@@ -23,5 +28,8 @@ namespace osu.Game.Overlays.Mods
         {
             AccentColour = colours.Orange1;
         }
+
+        public ModPreset TooltipContent => Preset;
+        public ITooltip<ModPreset> GetCustomTooltip() => new ModPresetTooltip(ColourProvider);
     }
 }

osu.Game/Overlays/Mods/ModPresetTooltip.cs

@@ -0,0 +1,115 @@
+// 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 System.Linq;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Cursor;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Containers;
+using osu.Game.Graphics.Sprites;
+using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.UI;
+using osuTK;
+
+namespace osu.Game.Overlays.Mods
+{
+    public class ModPresetTooltip : VisibilityContainer, ITooltip<ModPreset>
+    {
+        protected override Container<Drawable> Content { get; }
+
+        private const double transition_duration = 200;
+
+        public ModPresetTooltip(OverlayColourProvider colourProvider)
+        {
+            Width = 250;
+            AutoSizeAxes = Axes.Y;
+
+            Masking = true;
+            CornerRadius = 7;
+
+            InternalChildren = new Drawable[]
+            {
+                new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = colourProvider.Background6
+                },
+                Content = new FillFlowContainer
+                {
+                    RelativeSizeAxes = Axes.X,
+                    AutoSizeAxes = Axes.Y,
+                    Padding = new MarginPadding(7),
+                    Spacing = new Vector2(7)
+                }
+            };
+        }
+
+        private ModPreset? lastPreset;
+
+        public void SetContent(ModPreset preset)
+        {
+            if (preset == lastPreset)
+                return;
+
+            lastPreset = preset;
+            Content.ChildrenEnumerable = preset.Mods.Select(mod => new ModPresetRow(mod));
+        }
+
+        protected override void PopIn() => this.FadeIn(transition_duration, Easing.OutQuint);
+        protected override void PopOut() => this.FadeOut(transition_duration, Easing.OutQuint);
+
+        public void Move(Vector2 pos) => Position = pos;
+
+        private class ModPresetRow : FillFlowContainer
+        {
+            public ModPresetRow(Mod mod)
+            {
+                RelativeSizeAxes = Axes.X;
+                AutoSizeAxes = Axes.Y;
+                Direction = FillDirection.Vertical;
+                Spacing = new Vector2(4);
+                InternalChildren = new Drawable[]
+                {
+                    new FillFlowContainer
+                    {
+                        RelativeSizeAxes = Axes.X,
+                        AutoSizeAxes = Axes.Y,
+                        Direction = FillDirection.Horizontal,
+                        Spacing = new Vector2(7),
+                        Children = new Drawable[]
+                        {
+                            new ModSwitchTiny(mod)
+                            {
+                                Active = { Value = true },
+                                Scale = new Vector2(0.6f),
+                                Anchor = Anchor.CentreLeft,
+                                Origin = Anchor.CentreLeft
+                            },
+                            new OsuSpriteText
+                            {
+                                Text = mod.Name,
+                                Font = OsuFont.Default.With(size: 16, weight: FontWeight.SemiBold),
+                                Origin = Anchor.CentreLeft,
+                                Anchor = Anchor.CentreLeft,
+                                Margin = new MarginPadding { Bottom = 2 }
+                            }
+                        }
+                    }
+                };
+
+                if (!string.IsNullOrEmpty(mod.SettingDescription))
+                {
+                    AddInternal(new OsuTextFlowContainer
+                    {
+                        RelativeSizeAxes = Axes.X,
+                        AutoSizeAxes = Axes.Y,
+                        Padding = new MarginPadding { Left = 14 },
+                        Text = mod.SettingDescription
+                    });
+                }
+            }
+        }
+    }
+}