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

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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.UserInterface;
using OpenTK.Graphics;
namespace osu.Game.Graphics.UserInterface
{
public class ProgressBar : SliderBar<double>
{
public Action<double> OnSeek;
private readonly Box fill;
private readonly Box background;
public Color4 FillColour
{
set { fill.Colour = value; }
}
public Color4 BackgroundColour
{
set
{
background.Alpha = 1;
background.Colour = value;
}
}
public double EndTime
{
set { CurrentNumber.MaxValue = value; }
}
public double CurrentTime
{
set { CurrentNumber.Value = value; }
}
public ProgressBar()
{
CurrentNumber.MinValue = 0;
CurrentNumber.MaxValue = 1;
RelativeSizeAxes = Axes.X;
Children = new Drawable[]
{
background = new Box
{
Alpha = 0,
RelativeSizeAxes = Axes.Both
},
fill = new Box { RelativeSizeAxes = Axes.Y }
};
}
protected override void UpdateValue(float value)
{
fill.Width = value * UsableWidth;
}
protected override void OnUserChange() => OnSeek?.Invoke(Current);
}
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}