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osu-lazer/osu.Game/Graphics/UserInterface/OsuTabControl.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
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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;
using osu.Framework.Allocation;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Primitives;
using osu.Framework.Graphics.UserInterface;
using osu.Framework.Input;
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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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protected override Dropdown<T> CreateDropdown() => new OsuTabDropdown();
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protected override TabItem<T> CreateTabItem(T value) => new OsuTabItem<T> { Value = value };
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protected override bool InternalContains(Vector2 screenSpacePos) => base.InternalContains(screenSpacePos) || Dropdown.Contains(screenSpacePos);
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public OsuTabControl()
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{
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if (!typeof(T).IsEnum)
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throw new InvalidOperationException("OsuTabControl only supports enums as the generic type argument");
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foreach (var val in (T[])Enum.GetValues(typeof(T)))
AddItem(val);
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}
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[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
if (accentColour == null)
AccentColour = colours.Blue;
}
private Color4? accentColour;
public Color4 AccentColour
{
get { return accentColour.GetValueOrDefault(); }
set
{
accentColour = value;
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var dropDown = Dropdown as OsuTabDropdown;
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if (dropDown != null)
dropDown.AccentColour = value;
foreach (var item in TabContainer.Children.OfType<OsuTabItem<T>>())
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item.AccentColour = value;
}
}
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public class OsuTabDropdown : OsuDropdown<T>
{
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protected override DropdownHeader CreateHeader() => new OsuTabDropdownHeader
{
AccentColour = AccentColour,
Anchor = Anchor.TopRight,
Origin = Anchor.TopRight,
};
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protected override DropdownMenuItem<T> CreateMenuItem(string text, T value)
{
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var item = base.CreateMenuItem(text, value);
item.ForegroundColourHover = Color4.Black;
return item;
}
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public OsuTabDropdown()
{
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DropdownMenu.Anchor = Anchor.TopRight;
DropdownMenu.Origin = Anchor.TopRight;
RelativeSizeAxes = Axes.X;
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DropdownMenu.Background.Colour = Color4.Black.Opacity(0.7f);
DropdownMenu.MaxHeight = 400;
}
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public class OsuTabDropdownHeader : OsuDropdownHeader
{
public override Color4 AccentColour
{
get { return base.AccentColour; }
set
{
base.AccentColour = value;
Foreground.Colour = value;
}
}
protected override bool OnHover(InputState state)
{
Foreground.Colour = BackgroundColour;
return base.OnHover(state);
}
protected override void OnHoverLost(InputState state)
{
Foreground.Colour = BackgroundColourHover;
base.OnHoverLost(state);
}
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public OsuTabDropdownHeader()
{
RelativeSizeAxes = Axes.None;
AutoSizeAxes = Axes.X;
BackgroundColour = Color4.Black.Opacity(0.5f);
Background.Height = 0.5f;
Background.CornerRadius = 5;
Background.Masking = true;
Foreground.RelativeSizeAxes = Axes.None;
Foreground.AutoSizeAxes = Axes.X;
Foreground.RelativeSizeAxes = Axes.Y;
Foreground.Margin = new MarginPadding(5);
Foreground.Children = new Drawable[]
{
new TextAwesome
{
Icon = FontAwesome.fa_ellipsis_h,
TextSize = 14,
Origin = Anchor.Centre,
Anchor = Anchor.Centre,
}
};
Padding = new MarginPadding { Left = 5, Right = 5 };
}
}
}
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}
}