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osu-lazer/osu.Game/Graphics/UserInterface/OsuTabControl.cs
2022-11-27 00:00:27 +09:00

217 lines
6.7 KiB
C#

// 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.
#nullable disable
using System;
using System.Linq;
using osuTK;
using osuTK.Graphics;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Extensions;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.UserInterface;
using osu.Framework.Input.Events;
using osu.Framework.Localisation;
using osu.Framework.Utils;
using osu.Game.Graphics.Sprites;
namespace osu.Game.Graphics.UserInterface
{
public partial class OsuTabControl<T> : TabControl<T>
{
private Color4 accentColour;
public const float HORIZONTAL_SPACING = 10;
public virtual Color4 AccentColour
{
get => accentColour;
set
{
accentColour = value;
if (Dropdown is IHasAccentColour dropdown)
dropdown.AccentColour = value;
foreach (var i in TabContainer.Children.OfType<IHasAccentColour>())
i.AccentColour = value;
}
}
private readonly Box strip;
protected override Dropdown<T> CreateDropdown() => new OsuTabDropdown<T>();
protected override TabItem<T> CreateTabItem(T value) => new OsuTabItem(value);
protected virtual float StripWidth => TabContainer.Children.Sum(c => c.IsPresent ? c.DrawWidth + TabContainer.Spacing.X : 0) - TabContainer.Spacing.X;
/// <summary>
/// Whether entries should be automatically populated if <typeparamref name="T"/> is an <see cref="Enum"/> type.
/// </summary>
protected virtual bool AddEnumEntriesAutomatically => true;
private static bool isEnumType => typeof(T).IsEnum;
public OsuTabControl()
{
TabContainer.Spacing = new Vector2(HORIZONTAL_SPACING, 0f);
AddInternal(strip = new Box
{
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft,
Height = 1,
Colour = Color4.White.Opacity(0),
});
if (isEnumType && AddEnumEntriesAutomatically)
{
foreach (var val in (T[])Enum.GetValues(typeof(T)))
AddItem(val);
}
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
if (accentColour == default)
AccentColour = colours.Blue;
}
public Color4 StripColour
{
get => strip.Colour;
set => strip.Colour = value;
}
protected override void UpdateAfterChildren()
{
base.UpdateAfterChildren();
// dont bother calculating if the strip is invisible
if (strip.Colour.MaxAlpha > 0)
strip.Width = Interpolation.ValueAt(Math.Clamp(Clock.ElapsedFrameTime, 0, 1000), strip.Width, StripWidth, 0, 500, Easing.OutQuint);
}
public partial class OsuTabItem : TabItem<T>, IHasAccentColour
{
protected readonly SpriteText Text;
protected readonly Box Bar;
private Color4 accentColour;
public Color4 AccentColour
{
get => accentColour;
set
{
accentColour = value;
if (!Active.Value)
Text.Colour = value;
}
}
private const float transition_length = 500;
protected void FadeHovered()
{
Bar.FadeIn(transition_length, Easing.OutQuint);
Text.FadeColour(Color4.White, transition_length, Easing.OutQuint);
}
protected void FadeUnhovered()
{
Bar.FadeTo(IsHovered ? 1 : 0, transition_length, Easing.OutQuint);
Text.FadeColour(IsHovered ? Color4.White : AccentColour, transition_length, Easing.OutQuint);
}
protected override bool OnHover(HoverEvent e)
{
if (!Active.Value)
FadeHovered();
return true;
}
protected override void OnHoverLost(HoverLostEvent e)
{
if (!Active.Value)
FadeUnhovered();
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
if (accentColour == default)
AccentColour = colours.Blue;
}
public OsuTabItem(T value)
: base(value)
{
AutoSizeAxes = Axes.X;
RelativeSizeAxes = Axes.Y;
LocalisableString text;
switch (value)
{
case IHasDescription hasDescription:
text = hasDescription.GetDescription();
break;
case Enum e:
text = e.GetLocalisableDescription();
break;
case LocalisableString l:
text = l;
break;
default:
text = value.ToString();
break;
}
Children = new Drawable[]
{
Text = new OsuSpriteText
{
Margin = new MarginPadding { Top = 5, Bottom = 5 },
Origin = Anchor.BottomLeft,
Anchor = Anchor.BottomLeft,
Text = text,
Font = OsuFont.GetFont(size: 14)
},
Bar = new Box
{
RelativeSizeAxes = Axes.X,
Height = 1,
Alpha = 0,
Colour = Color4.White,
Origin = Anchor.BottomLeft,
Anchor = Anchor.BottomLeft,
},
new HoverClickSounds(HoverSampleSet.TabSelect)
};
}
protected override void OnActivated()
{
Text.Font = Text.Font.With(weight: FontWeight.Bold);
FadeHovered();
}
protected override void OnDeactivated()
{
Text.Font = Text.Font.With(weight: FontWeight.Medium);
FadeUnhovered();
}
}
}
}