Merge pull request #23414 from Cootz/add-mod-search-option

Add mod search

osu.Game.Tests/Visual/Multiplayer/TestSceneFreeModSelectOverlay.cs

@@ -8,6 +8,7 @@ using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
+using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Input;
 using osu.Framework.Testing;
@@ -57,11 +58,36 @@ namespace osu.Game.Tests.Visual.Multiplayer
             AddAssert("customisation area not expanded", () => this.ChildrenOfType<ModSettingsArea>().Single().Height == 0);
         }
 
+        [Test]
+        public void TestSelectAllButtonUpdatesStateWhenSearchTermChanged()
+        {
+            createFreeModSelect();
+
+            AddStep("apply search term", () => freeModSelectOverlay.SearchTerm = "ea");
+
+            AddAssert("select all button enabled", () => this.ChildrenOfType<SelectAllModsButton>().Single().Enabled.Value);
+
+            AddStep("click select all button", navigateAndClick<SelectAllModsButton>);
+            AddAssert("select all button disabled", () => !this.ChildrenOfType<SelectAllModsButton>().Single().Enabled.Value);
+
+            AddStep("change search term", () => freeModSelectOverlay.SearchTerm = "e");
+
+            AddAssert("select all button enabled", () => this.ChildrenOfType<SelectAllModsButton>().Single().Enabled.Value);
+
+            void navigateAndClick<T>() where T : Drawable
+            {
+                InputManager.MoveMouseTo(this.ChildrenOfType<T>().Single());
+                InputManager.Click(MouseButton.Left);
+            }
+        }
+
         [Test]
         public void TestSelectDeselectAllViaKeyboard()
         {
             createFreeModSelect();
 
+            AddStep("kill search bar focus", () => freeModSelectOverlay.SearchTextBox.KillFocus());
+
             AddStep("press ctrl+a", () => InputManager.Keys(PlatformAction.SelectAll));
             AddUntilStep("all mods selected", assertAllAvailableModsSelected);
 

osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerMatchSongSelect.cs

@@ -94,6 +94,7 @@ namespace osu.Game.Tests.Visual.Multiplayer
         [TestCase(typeof(OsuModHidden), typeof(OsuModTraceable))] // Incompatible.
         public void TestAllowedModDeselectedWhenRequired(Type allowedMod, Type requiredMod)
         {
+            AddStep("change ruleset", () => Ruleset.Value = new OsuRuleset().RulesetInfo);
             AddStep($"select {allowedMod.ReadableName()} as allowed", () => songSelect.FreeMods.Value = new[] { (Mod)Activator.CreateInstance(allowedMod) });
             AddStep($"select {requiredMod.ReadableName()} as required", () => songSelect.Mods.Value = new[] { (Mod)Activator.CreateInstance(requiredMod) });
 
@@ -102,17 +103,17 @@ namespace osu.Game.Tests.Visual.Multiplayer
             // A previous test's mod overlay could still be fading out.
             AddUntilStep("wait for only one freemod overlay", () => this.ChildrenOfType<FreeModSelectOverlay>().Count() == 1);
 
-            assertHasFreeModButton(allowedMod, false);
+            assertFreeModNotShown(allowedMod);
-            assertHasFreeModButton(requiredMod, false);
+            assertFreeModNotShown(requiredMod);
         }
 
-        private void assertHasFreeModButton(Type type, bool hasButton = true)
+        private void assertFreeModNotShown(Type type)
         {
-            AddAssert($"{type.ReadableName()} {(hasButton ? "displayed" : "not displayed")} in freemod overlay",
+            AddAssert($"{type.ReadableName()} not displayed in freemod overlay",
                 () => this.ChildrenOfType<FreeModSelectOverlay>()
                           .Single()
                           .ChildrenOfType<ModPanel>()
-                          .Where(panel => !panel.Filtered.Value)
+                          .Where(panel => panel.Visible)
                           .All(b => b.Mod.GetType() != type));
         }
 

osu.Game.Tests/Visual/Multiplayer/TestSceneMultiplayerMatchSubScreen.cs

@@ -203,7 +203,7 @@ namespace osu.Game.Tests.Visual.Multiplayer
             AddUntilStep("mod select contains only double time mod",
                 () => this.ChildrenOfType<RoomSubScreen>().Single().UserModsSelectOverlay
                           .ChildrenOfType<ModPanel>()
-                          .SingleOrDefault(panel => !panel.Filtered.Value)?.Mod is OsuModDoubleTime);
+                          .SingleOrDefault(panel => panel.Visible)?.Mod is OsuModDoubleTime);
         }
 
         [Test]

osu.Game.Tests/Visual/UserInterface/TestSceneModColumn.cs

@@ -106,26 +106,26 @@ namespace osu.Game.Tests.Visual.UserInterface
             });
 
             AddStep("set filter", () => setFilter(mod => mod.Name.Contains("Wind", StringComparison.CurrentCultureIgnoreCase)));
-            AddUntilStep("two panels visible", () => column.ChildrenOfType<ModPanel>().Count(panel => !panel.Filtered.Value) == 2);
+            AddUntilStep("two panels visible", () => column.ChildrenOfType<ModPanel>().Count(panel => panel.Visible) == 2);
 
             clickToggle();
             AddUntilStep("wait for animation", () => !column.SelectionAnimationRunning);
-            AddAssert("only visible items selected", () => column.ChildrenOfType<ModPanel>().Where(panel => panel.Active.Value).All(panel => !panel.Filtered.Value));
+            AddAssert("only visible items selected", () => column.ChildrenOfType<ModPanel>().Where(panel => panel.Active.Value).All(panel => panel.Visible));
 
             AddStep("unset filter", () => setFilter(null));
-            AddUntilStep("all panels visible", () => column.ChildrenOfType<ModPanel>().All(panel => !panel.Filtered.Value));
+            AddUntilStep("all panels visible", () => column.ChildrenOfType<ModPanel>().All(panel => panel.Visible));
             AddAssert("checkbox not selected", () => !column.ChildrenOfType<OsuCheckbox>().Single().Current.Value);
 
             AddStep("set filter", () => setFilter(mod => mod.Name.Contains("Wind", StringComparison.CurrentCultureIgnoreCase)));
-            AddUntilStep("two panels visible", () => column.ChildrenOfType<ModPanel>().Count(panel => !panel.Filtered.Value) == 2);
+            AddUntilStep("two panels visible", () => column.ChildrenOfType<ModPanel>().Count(panel => panel.Visible) == 2);
             AddAssert("checkbox selected", () => column.ChildrenOfType<OsuCheckbox>().Single().Current.Value);
 
             AddStep("filter out everything", () => setFilter(_ => false));
-            AddUntilStep("no panels visible", () => column.ChildrenOfType<ModPanel>().All(panel => panel.Filtered.Value));
+            AddUntilStep("no panels visible", () => column.ChildrenOfType<ModPanel>().All(panel => !panel.Visible));
             AddUntilStep("checkbox hidden", () => !column.ChildrenOfType<OsuCheckbox>().Single().IsPresent);
 
             AddStep("inset filter", () => setFilter(null));
-            AddUntilStep("all panels visible", () => column.ChildrenOfType<ModPanel>().All(panel => !panel.Filtered.Value));
+            AddUntilStep("all panels visible", () => column.ChildrenOfType<ModPanel>().All(panel => panel.Visible));
             AddUntilStep("checkbox visible", () => column.ChildrenOfType<OsuCheckbox>().Single().IsPresent);
 
             void clickToggle() => AddStep("click toggle", () =>
@@ -288,10 +288,53 @@ namespace osu.Game.Tests.Visual.UserInterface
             AddAssert("no change", () => this.ChildrenOfType<ModPanel>().Count(panel => panel.Active.Value) == 2);
         }
 
+        [Test]
+        public void TestApplySearchTerms()
+        {
+            Mod hidden = getExampleModsFor(ModType.DifficultyIncrease).Where(modState => modState.Mod is ModHidden).Select(modState => modState.Mod).Single();
+
+            ModColumn column = null!;
+            AddStep("create content", () => Child = new Container
+            {
+                RelativeSizeAxes = Axes.Both,
+                Padding = new MarginPadding(30),
+                Child = column = new ModColumn(ModType.DifficultyIncrease, false)
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    AvailableMods = getExampleModsFor(ModType.DifficultyIncrease)
+                }
+            });
+
+            applySearchAndAssert(hidden.Name);
+
+            clearSearch();
+
+            applySearchAndAssert(hidden.Acronym);
+
+            clearSearch();
+
+            applySearchAndAssert(hidden.Description.ToString());
+
+            void applySearchAndAssert(string searchTerm)
+            {
+                AddStep("search by mod name", () => column.SearchTerm = searchTerm);
+
+                AddAssert("only hidden is visible", () => column.ChildrenOfType<ModPanel>().Where(panel => panel.Visible).All(panel => panel.Mod is ModHidden));
+            }
+
+            void clearSearch()
+            {
+                AddStep("clear search", () => column.SearchTerm = string.Empty);
+
+                AddAssert("all mods are visible", () => column.ChildrenOfType<ModPanel>().All(panel => panel.Visible));
+            }
+        }
+
         private void setFilter(Func<Mod, bool>? filter)
         {
             foreach (var modState in this.ChildrenOfType<ModColumn>().Single().AvailableMods)
-                modState.Filtered.Value = filter?.Invoke(modState.Mod) == false;
+                modState.ValidForSelection.Value = filter?.Invoke(modState.Mod) != false;
         }
 
         private partial class TestModColumn : ModColumn

osu.Game.Tests/Visual/UserInterface/TestSceneModPresetColumn.cs

@@ -392,6 +392,28 @@ namespace osu.Game.Tests.Visual.UserInterface
                 new HashSet<Mod>(this.ChildrenOfType<ModPresetPanel>().First().Preset.Value.Mods).SetEquals(mods));
         }
 
+        [Test]
+        public void TestTextFiltering()
+        {
+            ModPresetColumn modPresetColumn = null!;
+
+            AddStep("clear mods", () => SelectedMods.Value = Array.Empty<Mod>());
+            AddStep("create content", () => Child = modPresetColumn = new ModPresetColumn
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+            });
+
+            AddUntilStep("items loaded", () => modPresetColumn.IsLoaded && modPresetColumn.ItemsLoaded);
+
+            AddStep("set osu! ruleset", () => Ruleset.Value = rulesets.GetRuleset(0));
+            AddStep("set text filter", () => modPresetColumn.SearchTerm = "First");
+            AddUntilStep("one panel visible", () => modPresetColumn.ChildrenOfType<ModPresetPanel>().Count(panel => panel.IsPresent), () => Is.EqualTo(1));
+
+            AddStep("set mania ruleset", () => Ruleset.Value = rulesets.GetRuleset(3));
+            AddUntilStep("no panels visible", () => modPresetColumn.ChildrenOfType<ModPresetPanel>().Count(panel => panel.IsPresent), () => Is.EqualTo(0));
+        }
+
         private ICollection<ModPreset> createTestPresets() => new[]
         {
             new ModPreset

osu.Game.Tests/Visual/UserInterface/TestSceneModSelectOverlay.cs

@@ -490,15 +490,15 @@ namespace osu.Game.Tests.Visual.UserInterface
             createScreen();
             changeRuleset(0);
 
-            AddAssert("double time visible", () => modSelectOverlay.ChildrenOfType<ModPanel>().Where(panel => panel.Mod is OsuModDoubleTime).Any(panel => !panel.Filtered.Value));
+            AddAssert("double time visible", () => modSelectOverlay.ChildrenOfType<ModPanel>().Where(panel => panel.Mod is OsuModDoubleTime).Any(panel => panel.Visible));
 
             AddStep("make double time invalid", () => modSelectOverlay.IsValidMod = m => !(m is OsuModDoubleTime));
-            AddUntilStep("double time not visible", () => modSelectOverlay.ChildrenOfType<ModPanel>().Where(panel => panel.Mod is OsuModDoubleTime).All(panel => panel.Filtered.Value));
+            AddUntilStep("double time not visible", () => modSelectOverlay.ChildrenOfType<ModPanel>().Where(panel => panel.Mod is OsuModDoubleTime).All(panel => !panel.Visible));
-            AddAssert("nightcore still visible", () => modSelectOverlay.ChildrenOfType<ModPanel>().Where(panel => panel.Mod is OsuModNightcore).Any(panel => !panel.Filtered.Value));
+            AddAssert("nightcore still visible", () => modSelectOverlay.ChildrenOfType<ModPanel>().Where(panel => panel.Mod is OsuModNightcore).Any(panel => panel.Visible));
 
             AddStep("make double time valid again", () => modSelectOverlay.IsValidMod = _ => true);
-            AddUntilStep("double time visible", () => modSelectOverlay.ChildrenOfType<ModPanel>().Where(panel => panel.Mod is OsuModDoubleTime).Any(panel => !panel.Filtered.Value));
+            AddUntilStep("double time visible", () => modSelectOverlay.ChildrenOfType<ModPanel>().Where(panel => panel.Mod is OsuModDoubleTime).Any(panel => panel.Visible));
-            AddAssert("nightcore still visible", () => modSelectOverlay.ChildrenOfType<ModPanel>().Where(b => b.Mod is OsuModNightcore).Any(panel => !panel.Filtered.Value));
+            AddAssert("nightcore still visible", () => modSelectOverlay.ChildrenOfType<ModPanel>().Where(b => b.Mod is OsuModNightcore).Any(panel => panel.Visible));
         }
 
         [Test]
@@ -524,7 +524,57 @@ namespace osu.Game.Tests.Visual.UserInterface
             AddStep("set ruleset", () => Ruleset.Value = testRuleset.RulesetInfo);
             waitForColumnLoad();
 
-            AddAssert("unimplemented mod panel is filtered", () => getPanelForMod(typeof(TestUnimplementedMod)).Filtered.Value);
+            AddAssert("unimplemented mod panel is filtered", () => !getPanelForMod(typeof(TestUnimplementedMod)).Visible);
+        }
+
+        [Test]
+        public void TestFirstModSelectDeselect()
+        {
+            createScreen();
+
+            AddStep("apply search", () => modSelectOverlay.SearchTerm = "HD");
+
+            AddStep("press enter", () => InputManager.Key(Key.Enter));
+            AddAssert("hidden selected", () => getPanelForMod(typeof(OsuModHidden)).Active.Value);
+
+            AddStep("press enter again", () => InputManager.Key(Key.Enter));
+            AddAssert("hidden deselected", () => !getPanelForMod(typeof(OsuModHidden)).Active.Value);
+
+            AddStep("clear search", () => modSelectOverlay.SearchTerm = string.Empty);
+            AddStep("press enter", () => InputManager.Key(Key.Enter));
+            AddAssert("mod select hidden", () => modSelectOverlay.State.Value == Visibility.Hidden);
+        }
+
+        [Test]
+        public void TestSearchFocusChangeViaClick()
+        {
+            createScreen();
+
+            AddStep("click on search", navigateAndClick<ShearedSearchTextBox>);
+            AddAssert("focused", () => modSelectOverlay.SearchTextBox.HasFocus);
+
+            AddStep("click on mod column", navigateAndClick<ModColumn>);
+            AddAssert("lost focus", () => !modSelectOverlay.SearchTextBox.HasFocus);
+
+            void navigateAndClick<T>() where T : Drawable
+            {
+                InputManager.MoveMouseTo(modSelectOverlay.ChildrenOfType<T>().FirstOrDefault());
+                InputManager.Click(MouseButton.Left);
+            }
+        }
+
+        [Test]
+        public void TestSearchFocusChangeViaKey()
+        {
+            createScreen();
+
+            const Key focus_switch_key = Key.Tab;
+
+            AddStep("press tab", () => InputManager.Key(focus_switch_key));
+            AddAssert("focused", () => modSelectOverlay.SearchTextBox.HasFocus);
+
+            AddStep("press tab", () => InputManager.Key(focus_switch_key));
+            AddAssert("lost focus", () => !modSelectOverlay.SearchTextBox.HasFocus);
         }
 
         [Test]
@@ -533,6 +583,8 @@ namespace osu.Game.Tests.Visual.UserInterface
             createScreen();
             changeRuleset(0);
 
+            AddStep("kill search bar focus", () => modSelectOverlay.SearchTextBox.KillFocus());
+
             AddStep("select DT + HD", () => SelectedMods.Value = new Mod[] { new OsuModDoubleTime(), new OsuModHidden() });
             AddAssert("DT + HD selected", () => modSelectOverlay.ChildrenOfType<ModPanel>().Count(panel => panel.Active.Value) == 2);
 
@@ -540,6 +592,26 @@ namespace osu.Game.Tests.Visual.UserInterface
             AddUntilStep("all mods deselected", () => !SelectedMods.Value.Any());
         }
 
+        [Test]
+        public void TestDeselectAllViaKey_WithSearchApplied()
+        {
+            createScreen();
+            changeRuleset(0);
+
+            AddStep("select DT + HD", () => SelectedMods.Value = new Mod[] { new OsuModDoubleTime(), new OsuModHidden() });
+            AddStep("focus on search", () => modSelectOverlay.SearchTextBox.TakeFocus());
+            AddStep("apply search", () => modSelectOverlay.SearchTerm = "Easy");
+            AddAssert("DT + HD selected and hidden", () => modSelectOverlay.ChildrenOfType<ModPanel>().Count(panel => !panel.Visible && panel.Active.Value) == 2);
+
+            AddStep("press backspace", () => InputManager.Key(Key.BackSpace));
+            AddAssert("DT + HD still selected", () => modSelectOverlay.ChildrenOfType<ModPanel>().Count(panel => panel.Active.Value) == 2);
+            AddAssert("search term changed", () => modSelectOverlay.SearchTerm == "Eas");
+
+            AddStep("kill focus", () => modSelectOverlay.SearchTextBox.KillFocus());
+            AddStep("press backspace", () => InputManager.Key(Key.BackSpace));
+            AddUntilStep("all mods deselected", () => !SelectedMods.Value.Any());
+        }
+
         [Test]
         public void TestDeselectAllViaButton()
         {
@@ -561,6 +633,31 @@ namespace osu.Game.Tests.Visual.UserInterface
             AddAssert("deselect all button disabled", () => !this.ChildrenOfType<DeselectAllModsButton>().Single().Enabled.Value);
         }
 
+        [Test]
+        public void TestDeselectAllViaButton_WithSearchApplied()
+        {
+            createScreen();
+            changeRuleset(0);
+
+            AddAssert("deselect all button disabled", () => !this.ChildrenOfType<DeselectAllModsButton>().Single().Enabled.Value);
+
+            AddStep("select DT + HD + RD", () => SelectedMods.Value = new Mod[] { new OsuModDoubleTime(), new OsuModHidden(), new OsuModRandom() });
+            AddAssert("DT + HD + RD selected", () => modSelectOverlay.ChildrenOfType<ModPanel>().Count(panel => panel.Active.Value) == 3);
+            AddAssert("deselect all button enabled", () => this.ChildrenOfType<DeselectAllModsButton>().Single().Enabled.Value);
+
+            AddStep("apply search", () => modSelectOverlay.SearchTerm = "Easy");
+            AddAssert("DT + HD + RD are hidden and selected", () => modSelectOverlay.ChildrenOfType<ModPanel>().Count(panel => !panel.Visible && panel.Active.Value) == 3);
+            AddAssert("deselect all button enabled", () => this.ChildrenOfType<DeselectAllModsButton>().Single().Enabled.Value);
+
+            AddStep("click deselect all button", () =>
+            {
+                InputManager.MoveMouseTo(this.ChildrenOfType<DeselectAllModsButton>().Single());
+                InputManager.Click(MouseButton.Left);
+            });
+            AddUntilStep("all mods deselected", () => !SelectedMods.Value.Any());
+            AddAssert("deselect all button disabled", () => !this.ChildrenOfType<DeselectAllModsButton>().Single().Enabled.Value);
+        }
+
         [Test]
         public void TestCloseViaBackButton()
         {
@@ -580,8 +677,11 @@ namespace osu.Game.Tests.Visual.UserInterface
             AddAssert("mod select hidden", () => modSelectOverlay.State.Value == Visibility.Hidden);
         }
 
+        /// <summary>
+        /// Covers columns hiding/unhiding on changes of <see cref="ModSelectOverlay.IsValidMod"/>.
+        /// </summary>
         [Test]
-        public void TestColumnHiding()
+        public void TestColumnHidingOnIsValidChange()
         {
             AddStep("create screen", () => Child = modSelectOverlay = new TestModSelectOverlay
             {
@@ -610,6 +710,56 @@ namespace osu.Game.Tests.Visual.UserInterface
             AddUntilStep("3 columns visible", () => this.ChildrenOfType<ModColumn>().Count(col => col.IsPresent) == 3);
         }
 
+        /// <summary>
+        /// Covers columns hiding/unhiding on changes of <see cref="ModSelectOverlay.SearchTerm"/>.
+        /// </summary>
+        [Test]
+        public void TestColumnHidingOnTextFilterChange()
+        {
+            AddStep("create screen", () => Child = modSelectOverlay = new TestModSelectOverlay
+            {
+                RelativeSizeAxes = Axes.Both,
+                State = { Value = Visibility.Visible },
+                SelectedMods = { BindTarget = SelectedMods }
+            });
+            waitForColumnLoad();
+            changeRuleset(0);
+
+            AddAssert("all columns visible", () => this.ChildrenOfType<ModColumn>().All(col => col.IsPresent));
+
+            AddStep("set search", () => modSelectOverlay.SearchTerm = "HD");
+            AddAssert("one column visible", () => this.ChildrenOfType<ModColumn>().Count(col => col.IsPresent) == 1);
+
+            AddStep("filter out everything", () => modSelectOverlay.SearchTerm = "Some long search term with no matches");
+            AddAssert("no columns visible", () => this.ChildrenOfType<ModColumn>().All(col => !col.IsPresent));
+
+            AddStep("clear search bar", () => modSelectOverlay.SearchTerm = "");
+            AddAssert("all columns visible", () => this.ChildrenOfType<ModColumn>().All(col => col.IsPresent));
+        }
+
+        [Test]
+        public void TestHidingOverlayClearsTextSearch()
+        {
+            AddStep("create screen", () => Child = modSelectOverlay = new TestModSelectOverlay
+            {
+                RelativeSizeAxes = Axes.Both,
+                State = { Value = Visibility.Visible },
+                SelectedMods = { BindTarget = SelectedMods }
+            });
+            waitForColumnLoad();
+            changeRuleset(0);
+
+            AddAssert("all columns visible", () => this.ChildrenOfType<ModColumn>().All(col => col.IsPresent));
+
+            AddStep("set search", () => modSelectOverlay.SearchTerm = "fail");
+            AddAssert("one column visible", () => this.ChildrenOfType<ModColumn>().Count(col => col.IsPresent) == 2);
+
+            AddStep("hide", () => modSelectOverlay.Hide());
+            AddStep("show", () => modSelectOverlay.Show());
+
+            AddAssert("all columns visible", () => this.ChildrenOfType<ModColumn>().All(col => col.IsPresent));
+        }
+
         [Test]
         public void TestColumnHidingOnRulesetChange()
         {
@@ -688,12 +838,10 @@ namespace osu.Game.Tests.Visual.UserInterface
         {
             public override string ShortName => "unimplemented";
 
-            public override IEnumerable<Mod> GetModsFor(ModType type)
+            public override IEnumerable<Mod> GetModsFor(ModType type) =>
-            {
+                type == ModType.Conversion
-                if (type == ModType.Conversion) return base.GetModsFor(type).Concat(new[] { new TestUnimplementedMod() });
+                    ? base.GetModsFor(type).Concat(new[] { new TestUnimplementedMod() })
-
+                    : base.GetModsFor(type);
-                return base.GetModsFor(type);
-            }
         }
     }
 }

osu.Game/Graphics/UserInterface/ShearedSearchTextBox.cs

@@ -10,6 +10,7 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.UserInterface;
+using osu.Framework.Localisation;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Overlays;
 using osu.Game.Overlays.Mods;
@@ -37,6 +38,14 @@ namespace osu.Game.Graphics.UserInterface
             set => textBox.HoldFocus = value;
         }
 
+        public LocalisableString PlaceholderText
+        {
+            get => textBox.PlaceholderText;
+            set => textBox.PlaceholderText = value;
+        }
+
+        public new bool HasFocus => textBox.HasFocus;
+
         public void TakeFocus() => textBox.TakeFocus();
 
         public void KillFocus() => textBox.KillFocus();

osu.Game/Localisation/ModSelectOverlayStrings.cs

@@ -1,4 +1,4 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// 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.Localisation;
@@ -39,6 +39,11 @@ namespace osu.Game.Localisation
         /// </summary>
         public static LocalisableString UseCurrentMods => new TranslatableString(getKey(@"use_current_mods"), @"Use current mods");
 
+        /// <summary>
+        /// "tab to search..."
+        /// </summary>
+        public static LocalisableString TabToSearch => new TranslatableString(getKey(@"tab_to_search"), @"tab to search...");
+
         private static string getKey(string key) => $@"{prefix}:{key}";
     }
-}
+}

osu.Game/Overlays/Mods/DeselectAllModsButton.cs

@@ -6,16 +6,13 @@
 using System.Collections.Generic;
 using System.Linq;
 using osu.Framework.Bindables;
-using osu.Framework.Input.Bindings;
-using osu.Framework.Input.Events;
 using osu.Game.Graphics.UserInterface;
-using osu.Game.Input.Bindings;
 using osu.Game.Localisation;
 using osu.Game.Rulesets.Mods;
 
 namespace osu.Game.Overlays.Mods
 {
-    public partial class DeselectAllModsButton : ShearedButton, IKeyBindingHandler<GlobalAction>
+    public partial class DeselectAllModsButton : ShearedButton
     {
         private readonly Bindable<IReadOnlyList<Mod>> selectedMods = new Bindable<IReadOnlyList<Mod>>();
 
@@ -39,18 +36,5 @@ namespace osu.Game.Overlays.Mods
         {
             Enabled.Value = selectedMods.Value.Any();
         }
-
-        public bool OnPressed(KeyBindingPressEvent<GlobalAction> e)
-        {
-            if (e.Repeat || e.Action != GlobalAction.DeselectAllMods)
-                return false;
-
-            TriggerClick();
-            return true;
-        }
-
-        public void OnReleased(KeyBindingReleaseEvent<GlobalAction> e)
-        {
-        }
     }
 }

osu.Game/Overlays/Mods/Input/ClassicModHotkeyHandler.cs

@@ -42,7 +42,7 @@ namespace osu.Game.Overlays.Mods.Input
             if (!mod_type_lookup.TryGetValue(e.Key, out var typesToMatch))
                 return false;
 
-            var matchingMods = availableMods.Where(modState => matches(modState, typesToMatch) && !modState.Filtered.Value).ToArray();
+            var matchingMods = availableMods.Where(modState => matches(modState, typesToMatch) && modState.Visible).ToArray();
 
             if (matchingMods.Length == 0)
                 return false;

osu.Game/Overlays/Mods/Input/SequentialModHotkeyHandler.cs

@@ -48,7 +48,7 @@ namespace osu.Game.Overlays.Mods.Input
             if (index < 0)
                 return false;
 
-            var modState = availableMods.Where(modState => !modState.Filtered.Value).ElementAtOrDefault(index);
+            var modState = availableMods.Where(modState => modState.Visible).ElementAtOrDefault(index);
             if (modState == null)
                 return false;
 

osu.Game/Overlays/Mods/ModColumn.cs

@@ -46,7 +46,8 @@ namespace osu.Game.Overlays.Mods
                 foreach (var mod in availableMods)
                 {
                     mod.Active.BindValueChanged(_ => updateState());
-                    mod.Filtered.BindValueChanged(_ => updateState());
+                    mod.MatchingTextFilter.BindValueChanged(_ => updateState());
+                    mod.ValidForSelection.BindValueChanged(_ => updateState());
                 }
 
                 updateState();
@@ -145,12 +146,17 @@ namespace osu.Game.Overlays.Mods
 
         private void updateState()
         {
-            Alpha = availableMods.All(mod => mod.Filtered.Value) ? 0 : 1;
+            Alpha = availableMods.All(mod => !mod.Visible) ? 0 : 1;
 
             if (toggleAllCheckbox != null && !SelectionAnimationRunning)
             {
-                toggleAllCheckbox.Alpha = availableMods.Any(panel => !panel.Filtered.Value) ? 1 : 0;
+                bool anyPanelsVisible = availableMods.Any(panel => panel.Visible);
-                toggleAllCheckbox.Current.Value = availableMods.Where(panel => !panel.Filtered.Value).All(panel => panel.Active.Value);
+
+                toggleAllCheckbox.Alpha = anyPanelsVisible ? 1 : 0;
+
+                // checking `anyPanelsVisible` is important since `.All()` returns `true` for empty enumerables.
+                if (anyPanelsVisible)
+                    toggleAllCheckbox.Current.Value = availableMods.Where(panel => panel.Visible).All(panel => panel.Active.Value);
             }
         }
 
@@ -195,7 +201,7 @@ namespace osu.Game.Overlays.Mods
         {
             pendingSelectionOperations.Clear();
 
-            foreach (var button in availableMods.Where(b => !b.Active.Value && !b.Filtered.Value))
+            foreach (var button in availableMods.Where(b => !b.Active.Value && b.Visible))
                 pendingSelectionOperations.Enqueue(() => button.Active.Value = true);
         }
 
@@ -206,8 +212,13 @@ namespace osu.Game.Overlays.Mods
         {
             pendingSelectionOperations.Clear();
 
-            foreach (var button in availableMods.Where(b => b.Active.Value && !b.Filtered.Value))
+            foreach (var button in availableMods.Where(b => b.Active.Value))
-                pendingSelectionOperations.Enqueue(() => button.Active.Value = false);
+            {
+                if (!button.Visible)
+                    button.Active.Value = false;
+                else
+                    pendingSelectionOperations.Enqueue(() => button.Active.Value = false);
+            }
         }
 
         /// <summary>

osu.Game/Overlays/Mods/ModPanel.cs

@@ -1,9 +1,12 @@
 // 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.Collections.Generic;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Localisation;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.UI;
@@ -11,11 +14,10 @@ using osuTK;
 
 namespace osu.Game.Overlays.Mods
 {
-    public partial class ModPanel : ModSelectPanel
+    public partial class ModPanel : ModSelectPanel, IFilterable
     {
         public Mod Mod => modState.Mod;
         public override BindableBool Active => modState.Active;
-        public BindableBool Filtered => modState.Filtered;
 
         protected override float IdleSwitchWidth => 54;
         protected override float ExpandedSwitchWidth => 70;
@@ -54,7 +56,8 @@ namespace osu.Game.Overlays.Mods
         {
             base.LoadComplete();
 
-            Filtered.BindValueChanged(_ => updateFilterState(), true);
+            modState.ValidForSelection.BindValueChanged(_ => updateFilterState());
+            modState.MatchingTextFilter.BindValueChanged(_ => updateFilterState(), true);
         }
 
         protected override void Select()
@@ -71,9 +74,25 @@ namespace osu.Game.Overlays.Mods
 
         #region Filtering support
 
+        /// <seealso cref="ModState.Visible"/>
+        public bool Visible => modState.Visible;
+
+        public override IEnumerable<LocalisableString> FilterTerms => new[]
+        {
+            Mod.Name,
+            Mod.Acronym,
+            Mod.Description
+        };
+
+        public override bool MatchingFilter
+        {
+            get => modState.MatchingTextFilter.Value;
+            set => modState.MatchingTextFilter.Value = value;
+        }
+
         private void updateFilterState()
         {
-            this.FadeTo(Filtered.Value ? 0 : 1);
+            this.FadeTo(Visible ? 1 : 0);
         }
 
         #endregion

osu.Game/Overlays/Mods/ModPresetPanel.cs

@@ -9,6 +9,7 @@ using osu.Framework.Bindables;
 using osu.Framework.Extensions;
 using osu.Framework.Graphics.Cursor;
 using osu.Framework.Graphics.UserInterface;
+using osu.Framework.Localisation;
 using osu.Game.Configuration;
 using osu.Game.Database;
 using osu.Game.Graphics;
@@ -81,6 +82,27 @@ namespace osu.Game.Overlays.Mods
             Active.Value = new HashSet<Mod>(Preset.Value.Mods).SetEquals(selectedMods.Value);
         }
 
+        #region Filtering support
+
+        public override IEnumerable<LocalisableString> FilterTerms => getFilterTerms();
+
+        private IEnumerable<LocalisableString> getFilterTerms()
+        {
+            var preset = Preset.Value;
+
+            yield return preset.Name;
+            yield return preset.Description;
+
+            foreach (Mod mod in preset.Mods)
+            {
+                yield return mod.Name;
+                yield return mod.Acronym;
+                yield return mod.Description;
+            }
+        }
+
+        #endregion
+
         #region IHasCustomTooltip
 
         public ModPreset TooltipContent => Preset.Value;

osu.Game/Overlays/Mods/ModSearchContainer.cs

@@ -0,0 +1,27 @@
+// 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.Containers;
+
+namespace osu.Game.Overlays.Mods
+{
+    public partial class ModSearchContainer : SearchContainer
+    {
+        public new string SearchTerm
+        {
+            get => base.SearchTerm;
+            set
+            {
+                if (value == SearchTerm)
+                    return;
+
+                base.SearchTerm = value;
+
+                // Manual filtering here is required because ModColumn can be hidden when search term applied,
+                // causing the whole SearchContainer to become non-present and never actually perform a subsequent
+                // filter.
+                Filter();
+            }
+        }
+    }
+}

osu.Game/Overlays/Mods/ModSelectColumn.cs

@@ -43,10 +43,15 @@ namespace osu.Game.Overlays.Mods
         /// </summary>
         public readonly Bindable<bool> Active = new BindableBool(true);
 
+        public string SearchTerm
+        {
+            set => ItemsFlow.SearchTerm = value;
+        }
+
         protected override bool ReceivePositionalInputAtSubTree(Vector2 screenSpacePos) => base.ReceivePositionalInputAtSubTree(screenSpacePos) && Active.Value;
 
         protected readonly Container ControlContainer;
-        protected readonly FillFlowContainer ItemsFlow;
+        protected readonly ModSearchContainer ItemsFlow;
 
         private readonly TextFlowContainer headerText;
         private readonly Box headerBackground;
@@ -150,7 +155,7 @@ namespace osu.Game.Overlays.Mods
                                                     RelativeSizeAxes = Axes.Both,
                                                     ClampExtension = 100,
                                                     ScrollbarOverlapsContent = false,
-                                                    Child = ItemsFlow = new FillFlowContainer
+                                                    Child = ItemsFlow = new ModSearchContainer
                                                     {
                                                         RelativeSizeAxes = Axes.X,
                                                         AutoSizeAxes = Axes.Y,

osu.Game/Overlays/Mods/ModSelectOverlay.cs

@@ -12,6 +12,8 @@ using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Cursor;
+using osu.Framework.Input;
+using osu.Framework.Input.Bindings;
 using osu.Framework.Input.Events;
 using osu.Framework.Utils;
 using osu.Game.Audio;
@@ -25,10 +27,11 @@ using osu.Game.Localisation;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Utils;
 using osuTK;
+using osuTK.Input;
 
 namespace osu.Game.Overlays.Mods
 {
-    public abstract partial class ModSelectOverlay : ShearedOverlayContainer, ISamplePlaybackDisabler
+    public abstract partial class ModSelectOverlay : ShearedOverlayContainer, ISamplePlaybackDisabler, IKeyBindingHandler<PlatformAction>
     {
         public const int BUTTON_WIDTH = 200;
 
@@ -64,6 +67,14 @@ namespace osu.Game.Overlays.Mods
             }
         }
 
+        public string SearchTerm
+        {
+            get => SearchTextBox.Current.Value;
+            set => SearchTextBox.Current.Value = value;
+        }
+
+        public ShearedSearchTextBox SearchTextBox { get; private set; } = null!;
+
         /// <summary>
         /// Whether the total score multiplier calculated from the current selected set of mods should be shown.
         /// </summary>
@@ -94,7 +105,7 @@ namespace osu.Game.Overlays.Mods
                 };
             }
 
-            yield return new DeselectAllModsButton(this);
+            yield return deselectAllModsButton = new DeselectAllModsButton(this);
         }
 
         private readonly Bindable<Dictionary<ModType, IReadOnlyList<Mod>>> globalAvailableMods = new Bindable<Dictionary<ModType, IReadOnlyList<Mod>>>();
@@ -107,11 +118,14 @@ namespace osu.Game.Overlays.Mods
         private ColumnScrollContainer columnScroll = null!;
         private ColumnFlowContainer columnFlow = null!;
         private FillFlowContainer<ShearedButton> footerButtonFlow = null!;
+        private DeselectAllModsButton deselectAllModsButton = null!;
 
+        private Container aboveColumnsContent = null!;
         private DifficultyMultiplierDisplay? multiplierDisplay;
 
         protected ShearedButton BackButton { get; private set; } = null!;
         protected ShearedToggleButton? CustomisationButton { get; private set; }
+        protected SelectAllModsButton? SelectAllModsButton { get; set; }
 
         private Sample? columnAppearSample;
 
@@ -146,6 +160,17 @@ namespace osu.Game.Overlays.Mods
 
             MainAreaContent.AddRange(new Drawable[]
             {
+                aboveColumnsContent = new Container
+                {
+                    RelativeSizeAxes = Axes.X,
+                    Height = ModsEffectDisplay.HEIGHT,
+                    Padding = new MarginPadding { Horizontal = 100 },
+                    Child = SearchTextBox = new ShearedSearchTextBox
+                    {
+                        HoldFocus = false,
+                        Width = 300
+                    }
+                },
                 new OsuContextMenuContainer
                 {
                     RelativeSizeAxes = Axes.Both,
@@ -153,7 +178,7 @@ namespace osu.Game.Overlays.Mods
                     {
                         Padding = new MarginPadding
                         {
-                            Top = (ShowTotalMultiplier ? ModsEffectDisplay.HEIGHT : 0) + PADDING,
+                            Top = ModsEffectDisplay.HEIGHT + PADDING,
                             Bottom = PADDING
                         },
                         RelativeSizeAxes = Axes.Both,
@@ -186,18 +211,10 @@ namespace osu.Game.Overlays.Mods
 
             if (ShowTotalMultiplier)
             {
-                MainAreaContent.Add(new Container
+                aboveColumnsContent.Add(multiplierDisplay = new DifficultyMultiplierDisplay
                 {
                     Anchor = Anchor.TopRight,
-                    Origin = Anchor.TopRight,
+                    Origin = Anchor.TopRight
-                    AutoSizeAxes = Axes.X,
-                    Height = ModsEffectDisplay.HEIGHT,
-                    Margin = new MarginPadding { Horizontal = 100 },
-                    Child = multiplierDisplay = new DifficultyMultiplierDisplay
-                    {
-                        Anchor = Anchor.Centre,
-                        Origin = Anchor.Centre
-                    },
                 });
             }
 
@@ -226,6 +243,14 @@ namespace osu.Game.Overlays.Mods
             globalAvailableMods.BindTo(game.AvailableMods);
         }
 
+        public override void Hide()
+        {
+            base.Hide();
+
+            // clear search for next user interaction with mod overlay
+            SearchTextBox.Current.Value = string.Empty;
+        }
+
         private ModSettingChangeTracker? modSettingChangeTracker;
 
         protected override void LoadComplete()
@@ -263,6 +288,12 @@ namespace osu.Game.Overlays.Mods
 
             customisationVisible.BindValueChanged(_ => updateCustomisationVisualState(), true);
 
+            SearchTextBox.Current.BindValueChanged(query =>
+            {
+                foreach (var column in columnFlow.Columns)
+                    column.SearchTerm = query.NewValue;
+            }, true);
+
             // Start scrolled slightly to the right to give the user a sense that
             // there is more horizontal content available.
             ScheduleAfterChildren(() =>
@@ -272,6 +303,13 @@ namespace osu.Game.Overlays.Mods
             });
         }
 
+        protected override void Update()
+        {
+            base.Update();
+
+            SearchTextBox.PlaceholderText = SearchTextBox.HasFocus ? Resources.Localisation.Web.CommonStrings.InputSearch : ModSelectOverlayStrings.TabToSearch;
+        }
+
         /// <summary>
         /// Select all visible mods in all columns.
         /// </summary>
@@ -344,7 +382,7 @@ namespace osu.Game.Overlays.Mods
         private void filterMods()
         {
             foreach (var modState in allAvailableMods)
-                modState.Filtered.Value = !modState.Mod.HasImplementation || !IsValidMod.Invoke(modState.Mod);
+                modState.ValidForSelection.Value = modState.Mod.HasImplementation && IsValidMod.Invoke(modState.Mod);
         }
 
         private void updateMultiplier()
@@ -469,7 +507,7 @@ namespace osu.Game.Overlays.Mods
 
             base.PopIn();
 
-            multiplierDisplay?
+            aboveColumnsContent
                 .FadeIn(fade_in_duration, Easing.OutQuint)
                 .MoveToY(0, fade_in_duration, Easing.OutQuint);
 
@@ -479,7 +517,7 @@ namespace osu.Game.Overlays.Mods
             {
                 var column = columnFlow[i].Column;
 
-                bool allFiltered = column is ModColumn modColumn && modColumn.AvailableMods.All(modState => modState.Filtered.Value);
+                bool allFiltered = column is ModColumn modColumn && modColumn.AvailableMods.All(modState => !modState.Visible);
 
                 double delay = allFiltered ? 0 : nonFilteredColumnCount * 30;
                 double duration = allFiltered ? 0 : fade_in_duration;
@@ -527,7 +565,7 @@ namespace osu.Game.Overlays.Mods
 
             base.PopOut();
 
-            multiplierDisplay?
+            aboveColumnsContent
                 .FadeOut(fade_out_duration / 2, Easing.OutQuint)
                 .MoveToY(-distance, fade_out_duration / 2, Easing.OutQuint);
 
@@ -541,7 +579,7 @@ namespace osu.Game.Overlays.Mods
 
                 if (column is ModColumn modColumn)
                 {
-                    allFiltered = modColumn.AvailableMods.All(modState => modState.Filtered.Value);
+                    allFiltered = modColumn.AvailableMods.All(modState => !modState.Visible);
                     modColumn.FlushPendingSelections();
                 }
 
@@ -578,10 +616,38 @@ namespace osu.Game.Overlays.Mods
                 // This is handled locally here because this overlay is being registered at the game level
                 // and therefore takes away keyboard focus from the screen stack.
                 case GlobalAction.ToggleModSelection:
+                    // Pressing toggle should completely hide the overlay in one shot.
+                    hideOverlay(true);
+                    return true;
+
+                // This is handled locally here due to conflicts in input handling between the search text box and the deselect all mods button.
+                // Attempting to handle this action locally in both places leads to a possible scenario
+                // wherein activating the binding will both change the contents of the search text box and deselect all mods.
+                case GlobalAction.DeselectAllMods:
+                {
+                    if (!SearchTextBox.HasFocus)
+                    {
+                        deselectAllModsButton.TriggerClick();
+                        return true;
+                    }
+
+                    break;
+                }
+
                 case GlobalAction.Select:
                 {
-                    // Pressing toggle or select should completely hide the overlay in one shot.
+                    // Pressing select should select first filtered mod or completely hide the overlay in one shot if search term is empty.
-                    hideOverlay(true);
+                    if (string.IsNullOrEmpty(SearchTerm))
+                    {
+                        hideOverlay(true);
+                        return true;
+                    }
+
+                    ModState? firstMod = columnFlow.Columns.OfType<ModColumn>().FirstOrDefault(m => m.IsPresent)?.AvailableMods.FirstOrDefault(x => x.Visible);
+
+                    if (firstMod is not null)
+                        firstMod.Active.Value = !firstMod.Active.Value;
+
                     return true;
                 }
             }
@@ -603,6 +669,39 @@ namespace osu.Game.Overlays.Mods
             }
         }
 
+        /// <inheritdoc cref="IKeyBindingHandler{PlatformAction}"/>
+        /// <remarks>
+        /// This is handled locally here due to conflicts in input handling between the search text box and the select all mods button.
+        /// Attempting to handle this action locally in both places leads to a possible scenario
+        /// wherein activating the "select all" platform binding will both select all text in the search box and select all mods.
+        /// </remarks>>
+        public bool OnPressed(KeyBindingPressEvent<PlatformAction> e)
+        {
+            if (e.Repeat || e.Action != PlatformAction.SelectAll || SelectAllModsButton is null)
+                return false;
+
+            SelectAllModsButton.TriggerClick();
+            return true;
+        }
+
+        public void OnReleased(KeyBindingReleaseEvent<PlatformAction> e)
+        {
+        }
+
+        protected override bool OnKeyDown(KeyDownEvent e)
+        {
+            if (e.Repeat || e.Key != Key.Tab)
+                return false;
+
+            // TODO: should probably eventually support typical platform search shortcuts (`Ctrl-F`, `/`)
+            if (SearchTextBox.HasFocus)
+                SearchTextBox.KillFocus();
+            else
+                SearchTextBox.TakeFocus();
+
+            return true;
+        }
+
         #endregion
 
         #region Sample playback control
@@ -743,6 +842,9 @@ namespace osu.Game.Overlays.Mods
                 if (!Active.Value)
                     RequestScroll?.Invoke(this);
 
+                // Killing focus is done here because it's the only feasible place on ModSelectOverlay you can click on without triggering any action.
+                Scheduler.Add(() => GetContainingInputManager().ChangeFocus(null));
+
                 return true;
             }
 

osu.Game/Overlays/Mods/ModSelectPanel.cs

@@ -1,6 +1,7 @@
 // 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.Collections.Generic;
 using osu.Framework.Allocation;
 using osu.Framework.Audio;
 using osu.Framework.Audio.Sample;
@@ -25,7 +26,7 @@ using osuTK.Input;
 
 namespace osu.Game.Overlays.Mods
 {
-    public abstract partial class ModSelectPanel : OsuClickableContainer, IHasAccentColour
+    public abstract partial class ModSelectPanel : OsuClickableContainer, IHasAccentColour, IFilterable
     {
         public abstract BindableBool Active { get; }
 
@@ -199,6 +200,9 @@ namespace osu.Game.Overlays.Mods
             if (samplePlaybackDisabled.Value)
                 return;
 
+            if (!IsPresent)
+                return;
+
             bool enoughTimePassedSinceLastPlayback = !lastPlaybackTime.Value.HasValue || Time.Current - lastPlaybackTime.Value >= SAMPLE_PLAYBACK_DELAY;
 
             if (enoughTimePassedSinceLastPlayback)
@@ -277,5 +281,28 @@ namespace osu.Game.Overlays.Mods
             TextBackground.FadeColour(foregroundColour, transitionDuration, Easing.OutQuint);
             TextFlow.FadeColour(textColour, transitionDuration, Easing.OutQuint);
         }
+
+        #region IFilterable
+
+        public abstract IEnumerable<LocalisableString> FilterTerms { get; }
+
+        private bool matchingFilter = true;
+
+        public virtual bool MatchingFilter
+        {
+            get => matchingFilter;
+            set
+            {
+                if (matchingFilter == value)
+                    return;
+
+                matchingFilter = value;
+                this.FadeTo(value ? 1 : 0);
+            }
+        }
+
+        public bool FilteringActive { set { } }
+
+        #endregion
     }
 }

osu.Game/Overlays/Mods/ModState.cs

@@ -1,8 +1,6 @@
 // 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 osu.Framework.Bindables;
 using osu.Game.Rulesets.Mods;
 
@@ -32,9 +30,21 @@ namespace osu.Game.Overlays.Mods
         public bool PendingConfiguration { get; set; }
 
         /// <summary>
-        /// Whether the mod is currently filtered out due to not matching imposed criteria.
+        /// Whether the mod is currently valid for selection.
+        /// This can be <see langword="false"/> in scenarios such as the free mod select overlay, where not all mods are selectable
+        /// regardless of search criteria imposed by the user selecting.
         /// </summary>
-        public BindableBool Filtered { get; } = new BindableBool();
+        public BindableBool ValidForSelection { get; } = new BindableBool(true);
+
+        /// <summary>
+        /// Whether the mod is matching the current textual filter.
+        /// </summary>
+        public BindableBool MatchingTextFilter { get; } = new BindableBool(true);
+
+        /// <summary>
+        /// Whether the <see cref="Mod"/> matches all applicable filters and visible for the user to select.
+        /// </summary>
+        public bool Visible => MatchingTextFilter.Value && ValidForSelection.Value;
 
         public ModState(Mod mod)
         {

osu.Game/Overlays/Mods/SelectAllModsButton.cs

@@ -1,14 +1,9 @@
 // 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.Collections.Generic;
 using System.Linq;
 using osu.Framework.Bindables;
-using osu.Framework.Input;
-using osu.Framework.Input.Bindings;
-using osu.Framework.Input.Events;
 using osu.Game.Graphics.UserInterface;
 using osu.Game.Localisation;
 using osu.Game.Rulesets.Mods;
@@ -16,10 +11,11 @@ using osu.Game.Screens.OnlinePlay;
 
 namespace osu.Game.Overlays.Mods
 {
-    public partial class SelectAllModsButton : ShearedButton, IKeyBindingHandler<PlatformAction>
+    public partial class SelectAllModsButton : ShearedButton
     {
         private readonly Bindable<IReadOnlyList<Mod>> selectedMods = new Bindable<IReadOnlyList<Mod>>();
         private readonly Bindable<Dictionary<ModType, IReadOnlyList<ModState>>> availableMods = new Bindable<Dictionary<ModType, IReadOnlyList<ModState>>>();
+        private readonly Bindable<string> searchTerm = new Bindable<string>();
 
         public SelectAllModsButton(FreeModSelectOverlay modSelectOverlay)
             : base(ModSelectOverlay.BUTTON_WIDTH)
@@ -29,6 +25,7 @@ namespace osu.Game.Overlays.Mods
 
             selectedMods.BindTo(modSelectOverlay.SelectedMods);
             availableMods.BindTo(modSelectOverlay.AvailableMods);
+            searchTerm.BindTo(modSelectOverlay.SearchTextBox.Current);
         }
 
         protected override void LoadComplete()
@@ -37,6 +34,7 @@ namespace osu.Game.Overlays.Mods
 
             selectedMods.BindValueChanged(_ => Scheduler.AddOnce(updateEnabledState));
             availableMods.BindValueChanged(_ => Scheduler.AddOnce(updateEnabledState));
+            searchTerm.BindValueChanged(_ => Scheduler.AddOnce(updateEnabledState));
             updateEnabledState();
         }
 
@@ -44,20 +42,7 @@ namespace osu.Game.Overlays.Mods
         {
             Enabled.Value = availableMods.Value
                                          .SelectMany(pair => pair.Value)
-                                         .Any(modState => !modState.Active.Value && !modState.Filtered.Value);
+                                         .Any(modState => !modState.Active.Value && modState.Visible);
-        }
-
-        public bool OnPressed(KeyBindingPressEvent<PlatformAction> e)
-        {
-            if (e.Repeat || e.Action != PlatformAction.SelectAll)
-                return false;
-
-            TriggerClick();
-            return true;
-        }
-
-        public void OnReleased(KeyBindingReleaseEvent<PlatformAction> e)
-        {
         }
     }
 }

osu.Game/Screens/OnlinePlay/FreeModSelectOverlay.cs

@@ -1,8 +1,6 @@
 // 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.Game.Overlays;
 using System.Collections.Generic;
@@ -34,11 +32,12 @@ namespace osu.Game.Screens.OnlinePlay
 
         protected override ModColumn CreateModColumn(ModType modType) => new ModColumn(modType, true);
 
-        protected override IEnumerable<ShearedButton> CreateFooterButtons() => base.CreateFooterButtons().Prepend(
+        protected override IEnumerable<ShearedButton> CreateFooterButtons()
-            new SelectAllModsButton(this)
+            => base.CreateFooterButtons()
-            {
+                   .Prepend(SelectAllModsButton = new SelectAllModsButton(this)
-                Anchor = Anchor.BottomLeft,
+                   {
-                Origin = Anchor.BottomLeft,
+                       Anchor = Anchor.BottomLeft,
-            });
+                       Origin = Anchor.BottomLeft,
+                   });
     }
 }

osu.Game/osu.Game.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="Project">
     <TargetFramework>net6.0</TargetFramework>
     <OutputType>Library</OutputType>