mirror of
https://github.com/ppy/osu.git
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217 lines
6.7 KiB
C#
217 lines
6.7 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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#nullable disable
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using System;
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using System.Linq;
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using osuTK;
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using osuTK.Graphics;
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using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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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.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.Events;
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using osu.Framework.Localisation;
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using osu.Framework.Utils;
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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 partial class OsuTabControl<T> : TabControl<T>
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{
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private Color4 accentColour;
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public const float HORIZONTAL_SPACING = 10;
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public virtual Color4 AccentColour
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{
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get => accentColour;
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set
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{
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accentColour = value;
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if (Dropdown is IHasAccentColour dropdown)
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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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private readonly Box strip;
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protected override Dropdown<T> CreateDropdown() => new OsuTabDropdown<T>();
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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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/// <summary>
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/// Whether entries should be automatically populated if <typeparamref name="T"/> is an <see cref="Enum"/> type.
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/// </summary>
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protected virtual bool AddEnumEntriesAutomatically => true;
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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(HORIZONTAL_SPACING, 0f);
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AddInternal(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 = 1,
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Colour = Color4.White.Opacity(0),
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});
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if (isEnumType && AddEnumEntriesAutomatically)
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{
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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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}
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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)
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AccentColour = colours.Blue;
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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 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(Math.Clamp(Clock.ElapsedFrameTime, 0, 1000), strip.Width, StripWidth, 0, 500, Easing.OutQuint);
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}
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public partial 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 => accentColour;
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set
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{
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accentColour = value;
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if (!Active.Value)
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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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protected void FadeHovered()
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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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protected void FadeUnhovered()
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{
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Bar.FadeTo(IsHovered ? 1 : 0, transition_length, Easing.OutQuint);
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Text.FadeColour(IsHovered ? Color4.White : AccentColour, transition_length, Easing.OutQuint);
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}
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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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FadeHovered();
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return true;
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}
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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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FadeUnhovered();
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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)
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AccentColour = colours.Blue;
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}
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public OsuTabItem(T value)
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: base(value)
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{
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AutoSizeAxes = Axes.X;
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RelativeSizeAxes = Axes.Y;
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LocalisableString text;
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switch (value)
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{
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case IHasDescription hasDescription:
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text = hasDescription.GetDescription();
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break;
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case Enum e:
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text = e.GetLocalisableDescription();
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break;
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case LocalisableString l:
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text = l;
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break;
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default:
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text = value.ToString();
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break;
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}
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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 = text,
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Font = OsuFont.GetFont(size: 14)
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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(HoverSampleSet.TabSelect)
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};
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}
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protected override void OnActivated()
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{
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Text.Font = Text.Font.With(weight: FontWeight.Bold);
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FadeHovered();
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}
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protected override void OnDeactivated()
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{
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Text.Font = Text.Font.With(weight: FontWeight.Medium);
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FadeUnhovered();
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}
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}
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}
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}
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