osu/osu.Game/Graphics/UserInterface/Volume/VolumeControlReceptor.cs

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// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using osu.Framework.Graphics.Containers;
using osu.Framework.Input;
using OpenTK.Input;
namespace osu.Game.Graphics.UserInterface.Volume
{
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internal class VolumeControlReceptor : Container
{
public Action<InputState> 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);
}
}
}