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

213 lines
6.7 KiB
C#

// 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.
using System;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Input.Events;
using osu.Framework.Localisation;
using osu.Game.Graphics.Sprites;
using osu.Game.Overlays;
using osuTK;
using osuTK.Graphics;
namespace osu.Game.Graphics.UserInterface
{
public partial class RangeSlider : CompositeDrawable
{
/// <summary>
/// The lower limiting value
/// </summary>
public Bindable<double> LowerBound
{
get => lowerBound.Current;
set => lowerBound.Current = value;
}
/// <summary>
/// The upper limiting value
/// </summary>
public Bindable<double> UpperBound
{
get => upperBound.Current;
set => upperBound.Current = value;
}
/// <summary>
/// Text that describes this RangeSlider's functionality
/// </summary>
public string Label
{
set => label.Text = value;
}
public float NubWidth
{
set => lowerBound.NubWidth = upperBound.NubWidth = value;
}
/// <summary>
/// Minimum difference between the lower bound and higher bound
/// </summary>
public float MinRange
{
set => minRange = value;
}
/// <summary>
/// lower bound display for when it is set to its default value
/// </summary>
public string DefaultStringLowerBound
{
set => lowerBound.DefaultString = value;
}
/// <summary>
/// upper bound display for when it is set to its default value
/// </summary>
public string DefaultStringUpperBound
{
set => upperBound.DefaultString = value;
}
public LocalisableString DefaultTooltipLowerBound
{
set => lowerBound.DefaultTooltip = value;
}
public LocalisableString DefaultTooltipUpperBound
{
set => upperBound.DefaultTooltip = value;
}
public string TooltipSuffix
{
set => upperBound.TooltipSuffix = lowerBound.TooltipSuffix = value;
}
private float minRange = 0.1f;
private readonly OsuSpriteText label;
private readonly LowerBoundSlider lowerBound;
private readonly UpperBoundSlider upperBound;
public RangeSlider()
{
const float vertical_offset = 13;
InternalChildren = new Drawable[]
{
label = new OsuSpriteText
{
Font = OsuFont.GetFont(size: 14),
},
upperBound = new UpperBoundSlider
{
KeyboardStep = 0.1f,
RelativeSizeAxes = Axes.X,
Y = vertical_offset,
},
lowerBound = new LowerBoundSlider
{
KeyboardStep = 0.1f,
RelativeSizeAxes = Axes.X,
Y = vertical_offset,
}
};
}
protected override void LoadComplete()
{
base.LoadComplete();
lowerBound.Current.ValueChanged += min => upperBound.Current.Value = Math.Max(min.NewValue + minRange, upperBound.Current.Value);
upperBound.Current.ValueChanged += max => lowerBound.Current.Value = Math.Min(max.NewValue - minRange, lowerBound.Current.Value);
}
private partial class LowerBoundSlider : BoundSlider
{
protected override void LoadComplete()
{
base.LoadComplete();
LeftBox.Height = 6; // hide any colour bleeding from overlap
AccentColour = BackgroundColour;
BackgroundColour = Color4.Transparent;
}
public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) =>
base.ReceivePositionalInputAt(screenSpacePos)
&& screenSpacePos.X <= Nub.ScreenSpaceDrawQuad.TopRight.X;
}
private partial class UpperBoundSlider : BoundSlider
{
protected override void LoadComplete()
{
base.LoadComplete();
RightBox.Height = 6; // just to match the left bar height really
}
public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) =>
base.ReceivePositionalInputAt(screenSpacePos)
&& screenSpacePos.X >= Nub.ScreenSpaceDrawQuad.TopLeft.X;
}
protected partial class BoundSlider : RoundedSliderBar<double>
{
public string? DefaultString;
public LocalisableString? DefaultTooltip;
public string? TooltipSuffix;
public float NubWidth { get; set; } = Nub.HEIGHT;
public override LocalisableString TooltipText =>
(Current.IsDefault ? DefaultTooltip : Current.Value.ToString($@"0.## {TooltipSuffix}")) ?? Current.Value.ToString($@"0.## {TooltipSuffix}");
protected override bool OnHover(HoverEvent e)
{
base.OnHover(e);
return true; // Make sure only one nub shows hover effect at once.
}
protected override void LoadComplete()
{
base.LoadComplete();
Nub.Width = NubWidth;
RangePadding = Nub.Width / 2;
OsuSpriteText currentDisplay;
Nub.Add(currentDisplay = new OsuSpriteText
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Y = -0.5f,
Colour = Color4.White,
Font = OsuFont.Torus.With(size: 10),
});
Current.BindValueChanged(current =>
{
currentDisplay.Text = (current.NewValue != Current.Default ? current.NewValue.ToString("N1") : DefaultString) ?? current.NewValue.ToString("N1");
}, true);
}
[BackgroundDependencyLoader(true)]
private void load(OverlayColourProvider? colourProvider)
{
if (colourProvider == null) return;
AccentColour = colourProvider.Background2;
Nub.AccentColour = colourProvider.Background2;
Nub.GlowingAccentColour = colourProvider.Background1;
Nub.GlowColour = colourProvider.Background2;
}
}
}
}