Move slider range control to song select

osu.Game/Screens/Select/DifficultyRangeFilterControl.cs

@@ -0,0 +1,90 @@
+// 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.
+
+#nullable disable
+using System;
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Localisation;
+using osu.Game.Configuration;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Sprites;
+using osu.Game.Graphics.UserInterface;
+using osu.Game.Localisation;
+using osuTK;
+
+namespace osu.Game.Screens.Select
+{
+    internal class DifficultyRangeFilterControl : CompositeDrawable
+    {
+        private Bindable<double> minStars;
+        private Bindable<double> maxStars;
+
+        private StarsSlider lowerSlider;
+        private MaximumStarsSlider upperSlider;
+
+        [BackgroundDependencyLoader]
+        private void load(OsuConfigManager config)
+        {
+            const float vertical_offset = 15;
+
+            InternalChildren = new[]
+            {
+                new OsuSpriteText
+                {
+                    Text = "Difficulty range",
+                    Font = OsuFont.GetFont(size: 14),
+                },
+                upperSlider = new MaximumStarsSlider
+                {
+                    Current = config.GetBindable<double>(OsuSetting.DisplayStarsMaximum),
+                    KeyboardStep = 0.1f,
+                    RelativeSizeAxes = Axes.X,
+                    Y = vertical_offset,
+                },
+                lowerSlider = new StarsSlider
+                {
+                    Current = config.GetBindable<double>(OsuSetting.DisplayStarsMinimum),
+                    KeyboardStep = 0.1f,
+                    RelativeSizeAxes = Axes.X,
+                    Y = vertical_offset,
+                },
+                lowerSlider.Nub.CreateProxy(),
+                upperSlider.Nub.CreateProxy(),
+            };
+
+            lowerSlider.LeftBox.Height = 6;
+
+            minStars = config.GetBindable<double>(OsuSetting.DisplayStarsMinimum);
+            maxStars = config.GetBindable<double>(OsuSetting.DisplayStarsMaximum);
+
+            lowerSlider.AccentColour = lowerSlider.BackgroundColour;
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            minStars.ValueChanged += min => maxStars.Value = Math.Max(min.NewValue, maxStars.Value);
+            maxStars.ValueChanged += max => minStars.Value = Math.Min(max.NewValue, minStars.Value);
+        }
+
+        private class MaximumStarsSlider : StarsSlider
+        {
+            public override LocalisableString TooltipText => Current.IsDefault ? UserInterfaceStrings.NoLimit : base.TooltipText;
+        }
+
+        private class StarsSlider : OsuSliderBar<double>
+        {
+            public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => Nub.ReceivePositionalInputAt(screenSpacePos);
+
+            public override LocalisableString TooltipText => Current.Value.ToString(@"0.## stars");
+
+            public new Nub Nub => base.Nub;
+            public new Box LeftBox => base.LeftBox;
+        }
+    }
+}

osu.Game/Screens/Select/FilterControl.cs

@@ -158,6 +158,11 @@ namespace osu.Game.Screens.Select
                                 Height = 20,
                                 Children = new Drawable[]
                                 {
+                                    new DifficultyRangeFilterControl
+                                    {
+                                        RelativeSizeAxes = Axes.Both,
+                                        Width = 0.5f,
+                                    },
                                     collectionDropdown = new CollectionFilterDropdown
                                     {
                                         Anchor = Anchor.TopRight,