mirror of https://github.com/ppy/osu
128 lines
4.0 KiB
C#
128 lines
4.0 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 osu.Framework.Allocation;
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using osu.Framework.Bindables;
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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.Cursor;
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using osu.Framework.Graphics.Effects;
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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.Game.Graphics;
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using osu.Game.Graphics.UserInterface;
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using osuTK;
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namespace osu.Game.Overlays
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{
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public class RestoreDefaultValueButton<T> : OsuButton, IHasTooltip, IHasCurrentValue<T>
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{
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public override bool IsPresent => base.IsPresent || Scheduler.HasPendingTasks;
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// this is done to ensure a click on this button doesn't trigger focus on a parent element which contains the button.
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public override bool AcceptsFocus => true;
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// this is intentionally not using BindableWithCurrent, as it can use the wrong IsDefault implementation when passed a BindableNumber.
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// using GetBoundCopy() ensures that the received bindable is of the exact same type as the source bindable and uses the proper IsDefault implementation.
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private Bindable<T> current;
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public Bindable<T> Current
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{
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get => current;
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set
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{
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current?.UnbindAll();
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current = value.GetBoundCopy();
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current.ValueChanged += _ => UpdateState();
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current.DefaultChanged += _ => UpdateState();
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current.DisabledChanged += _ => UpdateState();
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if (IsLoaded)
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UpdateState();
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}
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}
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[Resolved]
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private OsuColour colours { get; set; }
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private const float size = 4;
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[BackgroundDependencyLoader]
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private void load(OsuColour colour)
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{
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BackgroundColour = colour.Lime1;
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Size = new Vector2(3 * size);
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Content.RelativeSizeAxes = Axes.None;
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Content.Size = new Vector2(size);
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Content.CornerRadius = size / 2;
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Alpha = 0f;
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Action += () =>
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{
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if (!current.Disabled)
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current.SetDefault();
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};
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}
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protected override void LoadComplete()
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{
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base.LoadComplete();
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updateState();
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FinishTransforms(true);
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}
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public LocalisableString TooltipText => "revert to default";
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protected override bool OnHover(HoverEvent e)
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{
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UpdateState();
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return false;
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}
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protected override void OnHoverLost(HoverLostEvent e)
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{
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UpdateState();
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}
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public void UpdateState() => Scheduler.AddOnce(updateState);
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private const double fade_duration = 200;
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private void updateState()
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{
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if (current == null)
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return;
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Enabled.Value = !Current.Disabled;
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if (!Current.Disabled)
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{
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this.FadeTo(Current.IsDefault ? 0 : 1, fade_duration, Easing.OutQuint);
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Background.FadeColour(IsHovered ? colours.Lime0 : colours.Lime1, fade_duration, Easing.OutQuint);
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Content.TweenEdgeEffectTo(new EdgeEffectParameters
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{
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Colour = (IsHovered ? colours.Lime1 : colours.Lime3).Opacity(0.4f),
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Radius = IsHovered ? 8 : 4,
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Type = EdgeEffectType.Glow
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}, fade_duration, Easing.OutQuint);
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}
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else
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{
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Background.FadeColour(colours.Lime3, fade_duration, Easing.OutQuint);
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Content.TweenEdgeEffectTo(new EdgeEffectParameters
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{
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Colour = colours.Lime3.Opacity(0.1f),
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Radius = 2,
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Type = EdgeEffectType.Glow
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}, fade_duration, Easing.OutQuint);
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}
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}
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}
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}
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