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162 lines
4.9 KiB
C#
162 lines
4.9 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 System;
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using osuTK;
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using osuTK.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Shapes;
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using osu.Framework.Graphics.UserInterface;
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using osu.Framework.Utils;
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using osu.Framework.Threading;
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namespace osu.Game.Screens.Play.HUD
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{
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public partial class DefaultSongProgressBar : SliderBar<double>
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{
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/// <summary>
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/// Action which is invoked when a seek is requested, with the proposed millisecond value for the seek operation.
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/// </summary>
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public Action<double>? OnSeek { get; set; }
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/// <summary>
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/// Whether the progress bar should allow interaction, ie. to perform seek operations.
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/// </summary>
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public bool Interactive
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{
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get => showHandle;
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set
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{
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if (value == showHandle)
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return;
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showHandle = value;
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handleBase.FadeTo(showHandle ? 1 : 0, 200);
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}
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}
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public Color4 FillColour
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{
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set => fill.Colour = value;
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}
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public double StartTime
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{
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set => CurrentNumber.MinValue = value;
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}
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public double EndTime
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{
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set => CurrentNumber.MaxValue = value;
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}
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public double CurrentTime
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{
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set => CurrentNumber.Value = value;
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}
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private readonly Box fill;
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private readonly Container handleBase;
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private readonly Container handleContainer;
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private bool showHandle;
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public DefaultSongProgressBar(float barHeight, float handleBarHeight, Vector2 handleSize)
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{
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CurrentNumber.MinValue = 0;
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CurrentNumber.MaxValue = 1;
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RelativeSizeAxes = Axes.X;
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Height = barHeight + handleBarHeight + handleSize.Y;
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Children = new Drawable[]
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{
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new Box
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{
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Name = "Background",
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Anchor = Anchor.BottomLeft,
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Origin = Anchor.BottomLeft,
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RelativeSizeAxes = Axes.X,
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Height = barHeight,
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Colour = Color4.Black,
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Alpha = 0.5f,
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Depth = 1,
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},
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fill = new Box
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{
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Name = "Fill",
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Anchor = Anchor.BottomLeft,
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Origin = Anchor.BottomLeft,
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Height = barHeight,
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},
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handleBase = new Container
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{
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Name = "HandleBar container",
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Origin = Anchor.BottomLeft,
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Anchor = Anchor.BottomLeft,
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Width = 2,
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Alpha = 0,
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Colour = Color4.White,
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Position = new Vector2(2, 0),
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Children = new Drawable[]
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{
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new Box
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{
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Name = "HandleBar box",
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RelativeSizeAxes = Axes.Both,
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},
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handleContainer = new Container
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{
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Name = "Handle container",
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Origin = Anchor.BottomCentre,
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Anchor = Anchor.TopCentre,
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Size = handleSize,
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CornerRadius = 5,
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Masking = true,
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Children = new Drawable[]
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{
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new Box
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{
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Name = "Handle box",
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RelativeSizeAxes = Axes.Both,
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Colour = Color4.White
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}
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}
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}
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}
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}
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};
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}
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protected override void UpdateValue(float value)
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{
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// handled in update
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}
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protected override void Update()
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{
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base.Update();
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handleBase.Height = Height - handleContainer.Height;
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float newX = (float)Interpolation.Lerp(handleBase.X, NormalizedValue * UsableWidth, Math.Clamp(Time.Elapsed / 40, 0, 1));
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fill.Width = newX;
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handleBase.X = newX;
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}
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private ScheduledDelegate? scheduledSeek;
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protected override void OnUserChange(double value)
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{
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scheduledSeek?.Cancel();
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scheduledSeek = Schedule(() =>
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{
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if (showHandle)
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OnSeek?.Invoke(value);
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});
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}
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}
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}
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