From 094860bfea380eec0ce876dc0339e906cc142bb2 Mon Sep 17 00:00:00 2001
From: Salman Alshamrani <frenzibyte@gmail.com>
Date: Thu, 18 Dec 2025 06:17:07 -0500
Subject: [PATCH] Define delegate for applying classic defaults

---
 osu.Game/Overlays/Settings/SettingsItemV2.cs | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/osu.Game/Overlays/Settings/SettingsItemV2.cs b/osu.Game/Overlays/Settings/SettingsItemV2.cs
index 622df50b91..bd246211b6 100644
--- a/osu.Game/Overlays/Settings/SettingsItemV2.cs
+++ b/osu.Game/Overlays/Settings/SettingsItemV2.cs
@@ -105,14 +105,26 @@ namespace osu.Game.Overlays.Settings
 
         #region ISettingsItem
 
-        public bool HasClassicDefault { get; init; }
+        public bool HasClassicDefault { get; private set; }
 
-        public void ApplyClassicDefault()
+        private Action? applyClassicDefault;
+
+        /// <summary>
+        /// If set, this setting is considered as having a "classic" default value,
+        /// and this is the function for overwriting the control with that value.
+        /// </summary>
+        public Action? ApplyClassicDefault
         {
-            // will be removed soon.
-            throw new NotSupportedException();
+            get => applyClassicDefault;
+            set
+            {
+                applyClassicDefault = value;
+                HasClassicDefault = true;
+            }
         }
 
+        void ISettingsItem.ApplyClassicDefault() => ApplyClassicDefault?.Invoke();
+
         public void ApplyDefault()
         {
             if (!control.IsDisabled)