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osu-lazer/osu.Game/Graphics/UserInterface/ProgressBar.cs

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// 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.
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#nullable disable
using System;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.UserInterface;
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using osuTK.Graphics;
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namespace osu.Game.Graphics.UserInterface
{
public class ProgressBar : SliderBar<double>
{
public Action<double> OnSeek;
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private readonly Box fill;
private readonly Box background;
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public Color4 FillColour
{
set => fill.FadeColour(value, 150, Easing.OutQuint);
}
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public Color4 BackgroundColour
{
set
{
background.Alpha = 1;
background.Colour = value;
}
}
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public double EndTime
{
set => CurrentNumber.MaxValue = value;
}
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public double CurrentTime
{
set => CurrentNumber.Value = value;
}
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private readonly bool allowSeek;
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public override bool HandlePositionalInput => allowSeek;
public override bool HandleNonPositionalInput => allowSeek;
/// <summary>
/// Construct a new progress bar.
/// </summary>
/// <param name="allowSeek">Whether the user should be allowed to click/drag to adjust the value.</param>
public ProgressBar(bool allowSeek)
{
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this.allowSeek = allowSeek;
CurrentNumber.MinValue = 0;
CurrentNumber.MaxValue = 1;
RelativeSizeAxes = Axes.X;
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Children = new Drawable[]
{
background = new Box
{
Alpha = 0,
RelativeSizeAxes = Axes.Both
},
fill = new Box { RelativeSizeAxes = Axes.Y }
};
}
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protected override void UpdateValue(float value)
{
fill.Width = value * UsableWidth;
}
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protected override void OnUserChange(double value) => OnSeek?.Invoke(value);
}
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}