2018-04-13 09:19:50 +00:00
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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System;
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using System.Linq;
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using OpenTK;
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using OpenTK.Graphics;
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using osu.Framework.Allocation;
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using osu.Framework.Extensions;
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using osu.Framework.Extensions.Color4Extensions;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Shapes;
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using osu.Framework.Graphics.Sprites;
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using osu.Framework.Graphics.UserInterface;
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using osu.Framework.Input;
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using osu.Framework.MathUtils;
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using osu.Game.Graphics.Sprites;
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namespace osu.Game.Graphics.UserInterface
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{
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public class OsuTabControl<T> : TabControl<T>
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{
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private readonly Box strip;
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protected override Dropdown<T> CreateDropdown() => new OsuTabDropdown();
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protected override TabItem<T> CreateTabItem(T value) => new OsuTabItem(value);
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protected virtual float StripWidth() => TabContainer.Children.Sum(c => c.IsPresent ? c.DrawWidth + TabContainer.Spacing.X : 0) - TabContainer.Spacing.X;
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protected virtual float StripHeight() => 1;
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private static bool isEnumType => typeof(T).IsEnum;
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public OsuTabControl()
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{
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TabContainer.Spacing = new Vector2(10f, 0f);
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Add(strip = new Box
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{
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Anchor = Anchor.BottomLeft,
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Origin = Anchor.BottomLeft,
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Height = StripHeight(),
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Colour = Color4.White.Opacity(0),
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});
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if (isEnumType)
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foreach (var val in (T[])Enum.GetValues(typeof(T)))
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AddItem(val);
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}
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[BackgroundDependencyLoader]
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private void load(OsuColour colours)
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{
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if (accentColour == default(Color4))
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AccentColour = colours.Blue;
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}
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private Color4 accentColour;
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public Color4 AccentColour
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{
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get { return accentColour; }
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set
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{
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accentColour = value;
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var dropdown = Dropdown as IHasAccentColour;
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if (dropdown != null)
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dropdown.AccentColour = value;
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foreach (var i in TabContainer.Children.OfType<IHasAccentColour>())
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i.AccentColour = value;
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}
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}
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public Color4 StripColour
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{
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get => strip.Colour;
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set => strip.Colour = value;
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}
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protected override TabFillFlowContainer CreateTabFlow() => new OsuTabFillFlowContainer
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{
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Direction = FillDirection.Full,
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RelativeSizeAxes = Axes.Both,
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Depth = -1,
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Masking = true
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};
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protected override void UpdateAfterChildren()
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{
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base.UpdateAfterChildren();
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// dont bother calculating if the strip is invisible
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if (strip.Colour.MaxAlpha > 0)
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strip.Width = Interpolation.ValueAt(MathHelper.Clamp(Clock.ElapsedFrameTime, 0, 1000), strip.Width, StripWidth(), 0, 500, Easing.OutQuint);
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}
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public class OsuTabItem : TabItem<T>, IHasAccentColour
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{
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protected readonly SpriteText Text;
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protected readonly Box Bar;
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private Color4 accentColour;
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public Color4 AccentColour
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{
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get { return accentColour; }
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set
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{
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accentColour = value;
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if (!Active)
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Text.Colour = value;
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}
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}
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private const float transition_length = 500;
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private void fadeActive()
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{
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Bar.FadeIn(transition_length, Easing.OutQuint);
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Text.FadeColour(Color4.White, transition_length, Easing.OutQuint);
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}
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private void fadeInactive()
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{
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Bar.FadeOut(transition_length, Easing.OutQuint);
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Text.FadeColour(AccentColour, transition_length, Easing.OutQuint);
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}
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protected override bool OnHover(InputState state)
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{
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if (!Active)
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fadeActive();
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return true;
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}
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protected override void OnHoverLost(InputState state)
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{
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if (!Active)
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fadeInactive();
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}
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[BackgroundDependencyLoader]
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private void load(OsuColour colours)
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{
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if (accentColour == default(Color4))
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AccentColour = colours.Blue;
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}
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public OsuTabItem(T value) : base(value)
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{
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AutoSizeAxes = Axes.X;
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RelativeSizeAxes = Axes.Y;
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Children = new Drawable[]
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{
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Text = new OsuSpriteText
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{
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Margin = new MarginPadding { Top = 5, Bottom = 5 },
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Origin = Anchor.BottomLeft,
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Anchor = Anchor.BottomLeft,
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Text = (value as Enum)?.GetDescription() ?? value.ToString(),
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TextSize = 14,
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Font = @"Exo2.0-Bold", // Font should only turn bold when active?
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},
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Bar = new Box
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{
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RelativeSizeAxes = Axes.X,
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Height = 1,
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Alpha = 0,
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Colour = Color4.White,
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Origin = Anchor.BottomLeft,
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Anchor = Anchor.BottomLeft,
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},
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new HoverClickSounds()
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};
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}
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protected override void OnActivated() => fadeActive();
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protected override void OnDeactivated() => fadeInactive();
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}
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// todo: this needs to go
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private class OsuTabDropdown : OsuDropdown<T>
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{
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public OsuTabDropdown()
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{
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RelativeSizeAxes = Axes.X;
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}
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protected override DropdownMenu CreateMenu() => new OsuTabDropdownMenu();
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protected override DropdownHeader CreateHeader() => new OsuTabDropdownHeader
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{
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Anchor = Anchor.TopRight,
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Origin = Anchor.TopRight
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};
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private class OsuTabDropdownMenu : OsuDropdownMenu
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{
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public OsuTabDropdownMenu()
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{
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Anchor = Anchor.TopRight;
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Origin = Anchor.TopRight;
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BackgroundColour = Color4.Black.Opacity(0.7f);
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MaxHeight = 400;
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}
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protected override DrawableMenuItem CreateDrawableMenuItem(MenuItem item) => new DrawableOsuTabDropdownMenuItem(item) { AccentColour = AccentColour };
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private class DrawableOsuTabDropdownMenuItem : DrawableOsuDropdownMenuItem
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{
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public DrawableOsuTabDropdownMenuItem(MenuItem item)
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: base(item)
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{
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ForegroundColourHover = Color4.Black;
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}
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}
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}
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protected class OsuTabDropdownHeader : OsuDropdownHeader
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{
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public override Color4 AccentColour
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{
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get
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{
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return base.AccentColour;
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}
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set
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{
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base.AccentColour = value;
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Foreground.Colour = value;
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}
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}
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public OsuTabDropdownHeader()
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{
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RelativeSizeAxes = Axes.None;
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AutoSizeAxes = Axes.X;
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BackgroundColour = Color4.Black.Opacity(0.5f);
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Background.Height = 0.5f;
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Background.CornerRadius = 5;
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Background.Masking = true;
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Foreground.RelativeSizeAxes = Axes.None;
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Foreground.AutoSizeAxes = Axes.X;
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Foreground.RelativeSizeAxes = Axes.Y;
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Foreground.Margin = new MarginPadding(5);
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Foreground.Children = new Drawable[]
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{
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new SpriteIcon
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{
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Icon = FontAwesome.fa_ellipsis_h,
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Size = new Vector2(14),
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Origin = Anchor.Centre,
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Anchor = Anchor.Centre,
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}
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};
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Padding = new MarginPadding { Left = 5, Right = 5 };
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}
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protected override bool OnHover(InputState state)
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{
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Foreground.Colour = BackgroundColour;
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return base.OnHover(state);
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}
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protected override void OnHoverLost(InputState state)
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{
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Foreground.Colour = BackgroundColourHover;
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base.OnHoverLost(state);
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}
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}
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}
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private class OsuTabFillFlowContainer : TabFillFlowContainer
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{
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protected override int Compare(Drawable x, Drawable y) => CompareReverseChildID(x, y);
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}
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}
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}
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