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85 lines
2.2 KiB
C#
85 lines
2.2 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.Extensions.IEnumerableExtensions;
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using osu.Framework.Graphics;
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using osu.Framework.Input.Events;
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using osuTK.Graphics;
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using System.Collections.Generic;
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using osu.Game.Graphics.UserInterface;
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namespace osu.Game.Graphics.Containers
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{
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public partial class OsuHoverContainer : OsuClickableContainer
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{
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protected const float FADE_DURATION = 500;
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protected Color4 HoverColour;
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protected Color4 IdleColour = Color4.White;
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protected virtual IEnumerable<Drawable> EffectTargets => new[] { Content };
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public OsuHoverContainer(HoverSampleSet sampleSet = HoverSampleSet.Default)
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: base(sampleSet)
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{
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Enabled.ValueChanged += e =>
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{
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if (isHovered)
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{
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if (e.NewValue)
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fadeIn();
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else
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fadeOut();
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}
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};
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}
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private bool isHovered;
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protected override bool OnHover(HoverEvent e)
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{
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if (isHovered)
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return false;
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isHovered = true;
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if (!Enabled.Value)
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return false;
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fadeIn();
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return base.OnHover(e);
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}
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protected override void OnHoverLost(HoverLostEvent e)
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{
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if (!isHovered)
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return;
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isHovered = false;
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fadeOut();
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base.OnHoverLost(e);
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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 (HoverColour == default)
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HoverColour = colours.Yellow;
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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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EffectTargets.ForEach(d => d.FadeColour(IdleColour));
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}
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private void fadeIn() => EffectTargets.ForEach(d => d.FadeColour(HoverColour, FADE_DURATION, Easing.OutQuint));
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private void fadeOut() => EffectTargets.ForEach(d => d.FadeColour(IdleColour, FADE_DURATION, Easing.OutQuint));
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}
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}
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