osu/osu.Game/Overlays/Toolbar/ToolbarOverlayToggleButton.cs

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// 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.
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using osu.Framework.Bindables;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
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using osu.Game.Graphics;
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namespace osu.Game.Overlays.Toolbar
{
public class ToolbarOverlayToggleButton : ToolbarButton
{
private readonly Box stateBackground;
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private OverlayContainer stateContainer;
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private readonly Bindable<Visibility> overlayState = new Bindable<Visibility>();
public OverlayContainer StateContainer
{
get => stateContainer;
set
{
stateContainer = value;
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overlayState.UnbindBindings();
if (stateContainer != null)
{
Action = stateContainer.ToggleVisibility;
overlayState.BindTo(stateContainer.State);
}
if (stateContainer is INamedOverlayComponent named)
{
TooltipMain = named.Title;
TooltipSub = named.Description;
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SetIcon(named.IconTexture);
}
}
}
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public ToolbarOverlayToggleButton()
{
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Add(stateBackground = new Box
{
RelativeSizeAxes = Axes.Both,
Colour = OsuColour.Gray(150).Opacity(180),
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Blending = BlendingParameters.Additive,
Depth = 2,
Alpha = 0,
});
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overlayState.ValueChanged += stateChanged;
}
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private void stateChanged(ValueChangedEvent<Visibility> state)
{
switch (state.NewValue)
{
case Visibility.Hidden:
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stateBackground.FadeOut(200);
break;
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case Visibility.Visible:
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stateBackground.FadeIn(200);
break;
}
}
}
}