mirror of
https://github.com/ppy/osu
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120 lines
3.7 KiB
C#
120 lines
3.7 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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using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osuTK.Graphics;
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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.Colour;
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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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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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private bool hovering;
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public RestoreDefaultValueButton()
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{
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Height = 1;
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RelativeSizeAxes = Axes.Y;
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Width = SettingsPanel.CONTENT_MARGINS;
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}
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[BackgroundDependencyLoader]
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private void load(OsuColour colour)
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{
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BackgroundColour = colour.Yellow;
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Content.Width = 0.33f;
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Content.CornerRadius = 3;
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Content.EdgeEffect = new EdgeEffectParameters
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{
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Colour = BackgroundColour.Opacity(0.1f),
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Type = EdgeEffectType.Glow,
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Radius = 2,
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};
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Padding = new MarginPadding { Vertical = 1.5f };
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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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// avoid unnecessary transforms on first display.
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Alpha = currentAlpha;
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Background.Colour = currentColour;
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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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hovering = true;
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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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hovering = false;
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UpdateState();
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}
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public void UpdateState() => Scheduler.AddOnce(updateState);
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private float currentAlpha => current.IsDefault ? 0f : hovering && !current.Disabled ? 1f : 0.65f;
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private ColourInfo currentColour => current.Disabled ? Color4.Gray : BackgroundColour;
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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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this.FadeTo(currentAlpha, 200, Easing.OutQuint);
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Background.FadeColour(currentColour, 200, Easing.OutQuint);
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}
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}
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}
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