osu/osu.Game/Overlays/Comments/HeaderButton.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.
using osu.Framework.Allocation;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Input.Events;
using osu.Game.Graphics.UserInterface;
namespace osu.Game.Overlays.Comments
{
public class HeaderButton : Container
{
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private const int transition_duration = 200;
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protected override Container<Drawable> Content => content;
private readonly Box background;
private readonly Container content;
public HeaderButton()
{
AutoSizeAxes = Axes.X;
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Height = 20;
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Masking = true;
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CornerRadius = 3;
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AddRangeInternal(new Drawable[]
{
background = new Box
{
RelativeSizeAxes = Axes.Both,
Alpha = 0,
},
content = new Container
{
AutoSizeAxes = Axes.Both,
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
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Margin = new MarginPadding { Horizontal = 10 }
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},
new HoverClickSounds(),
});
}
[BackgroundDependencyLoader]
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private void load(OverlayColourProvider colourProvider)
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{
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background.Colour = colourProvider.Background3;
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}
protected override bool OnHover(HoverEvent e)
{
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ShowBackground();
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return base.OnHover(e);
}
protected override void OnHoverLost(HoverLostEvent e)
{
base.OnHoverLost(e);
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HideBackground();
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}
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protected void ShowBackground() => background.FadeIn(transition_duration, Easing.OutQuint);
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protected void HideBackground() => background.FadeOut(transition_duration, Easing.OutQuint);
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}
}