// Copyright (c) 2007-2017 ppy Pty Ltd . // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE using System; using osu.Framework.Graphics; using osu.Framework.Graphics.Containers; using osu.Framework.Input; using OpenTK.Input; using OpenTK; namespace osu.Game.Graphics.UserInterface.Volume { class VolumeControlReceptor : Container { public Action ActionRequested; protected override bool OnWheel(InputState state) { ActionRequested?.Invoke(state); return true; } protected override bool OnKeyDown(InputState state, KeyDownEventArgs args) { switch (args.Key) { case Key.Up: case Key.Down: ActionRequested?.Invoke(state); return true; } return base.OnKeyDown(state, args); } } }