osu/osu.Game/Graphics/UserInterface/PageTabControl.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 System;
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using osuTK;
using osuTK.Graphics;
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using osu.Framework.Allocation;
using osu.Framework.Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.UserInterface;
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using osu.Framework.Input.Events;
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using osu.Game.Graphics.Sprites;
namespace osu.Game.Graphics.UserInterface
{
public class PageTabControl<T> : OsuTabControl<T>
{
protected override TabItem<T> CreateTabItem(T value) => new PageTabItem(value);
public PageTabControl()
{
Height = 30;
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
AccentColour = colours.Yellow;
}
public class PageTabItem : TabItem<T>, IHasAccentColour
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{
private const float transition_duration = 100;
private readonly Box box;
protected readonly SpriteText Text;
private Color4 accentColour;
public Color4 AccentColour
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{
get => accentColour;
set
{
accentColour = value;
box.Colour = accentColour;
}
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}
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public PageTabItem(T value)
: base(value)
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{
AutoSizeAxes = Axes.X;
RelativeSizeAxes = Axes.Y;
Children = new Drawable[]
{
Text = new OsuSpriteText
{
Margin = new MarginPadding { Top = 8, Bottom = 8 },
Origin = Anchor.BottomLeft,
Anchor = Anchor.BottomLeft,
Text = CreateText(),
Font = OsuFont.GetFont(size: 14)
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},
box = new Box
{
RelativeSizeAxes = Axes.X,
Height = 5,
Scale = new Vector2(1f, 0f),
Colour = Color4.White,
Origin = Anchor.BottomLeft,
Anchor = Anchor.BottomLeft,
},
new HoverClickSounds()
};
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Active.BindValueChanged(active => Text.Font = Text.Font.With(Typeface.Torus, weight: active.NewValue ? FontWeight.Bold : FontWeight.Medium), true);
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}
protected virtual string CreateText() => (Value as Enum)?.GetDescription() ?? Value.ToString();
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protected override bool OnHover(HoverEvent e)
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{
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if (!Active.Value)
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slideActive();
return true;
}
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protected override void OnHoverLost(HoverLostEvent e)
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{
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if (!Active.Value)
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slideInactive();
}
private void slideActive()
{
box.ScaleTo(new Vector2(1f), transition_duration);
}
private void slideInactive()
{
box.ScaleTo(new Vector2(1f, 0f), transition_duration);
}
protected override void OnActivated() => slideActive();
protected override void OnDeactivated() => slideInactive();
}
}
}