osu/osu.Game/Overlays/Toolbar/ToolbarOverlayToggleButton.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 System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using osu.Framework;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.Textures;
using osu.Game.Configuration;
using osu.Game.Online.API;
using OpenTK;
using OpenTK.Graphics;
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using osu.Game.Graphics;
namespace osu.Game.Overlays.Toolbar
{
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class ToolbarOverlayToggleButton : ToolbarButton
{
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private Box stateBackground;
private OverlayContainer stateContainer;
public OverlayContainer StateContainer
{
get { return stateContainer; }
set
{
stateContainer = value;
stateContainer.StateChanged += stateChanged;
}
}
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public ToolbarOverlayToggleButton()
{
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Add(stateBackground = new Box
{
RelativeSizeAxes = Axes.Both,
Colour = OsuColour.Gray(150).Opacity(180),
BlendingMode = BlendingMode.Additive,
Depth = 2,
Alpha = 0,
});
}
protected override void Dispose(bool isDisposing)
{
base.Dispose(isDisposing);
if (stateContainer != null)
stateContainer.StateChanged -= stateChanged;
}
private void stateChanged(OverlayContainer c, Visibility state)
{
switch (state)
{
case Visibility.Hidden:
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stateBackground.FadeOut(200);
break;
case Visibility.Visible:
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stateBackground.FadeIn(200);
break;
}
}
}
}