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osu-lazer/osu.Game/Overlays/Volume/VolumeControlReceptor.cs
2021-04-19 00:05:44 +09:00

59 lines
1.9 KiB
C#

// 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;
using osu.Framework.Graphics.Containers;
using osu.Framework.Input;
using osu.Framework.Input.Bindings;
using osu.Framework.Input.Events;
using osu.Framework.Threading;
using osu.Game.Extensions;
using osu.Game.Input.Bindings;
namespace osu.Game.Overlays.Volume
{
public class VolumeControlReceptor : Container, IScrollBindingHandler<GlobalAction>, IHandleGlobalKeyboardInput
{
public Func<GlobalAction, bool> ActionRequested;
public Func<GlobalAction, float, bool, bool> ScrollActionRequested;
private ScheduledDelegate keyRepeat;
public bool OnPressed(GlobalAction action)
{
switch (action)
{
case GlobalAction.DecreaseVolume:
case GlobalAction.IncreaseVolume:
keyRepeat?.Cancel();
keyRepeat = this.BeginKeyRepeat(Scheduler, () => ActionRequested?.Invoke(action), 150);
return true;
case GlobalAction.ToggleMute:
ActionRequested?.Invoke(action);
return true;
}
return false;
}
public void OnReleased(GlobalAction action)
{
keyRepeat?.Cancel();
}
protected override bool OnScroll(ScrollEvent e)
{
if (e.ScrollDelta.Y == 0)
return false;
// forward any unhandled mouse scroll events to the volume control.
ScrollActionRequested?.Invoke(GlobalAction.IncreaseVolume, e.ScrollDelta.Y, e.IsPrecise);
return true;
}
public bool OnScroll(GlobalAction action, float amount, bool isPrecise) =>
ScrollActionRequested?.Invoke(action, amount, isPrecise) ?? false;
}
}