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osu-lazer/osu.Game/Overlays/Settings/SettingsNumberBox.cs

69 lines
2.1 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 osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.UserInterface;
namespace osu.Game.Overlays.Settings
{
public class SettingsNumberBox : SettingsItem<int?>
{
protected override Drawable CreateControl() => new NumberControl
{
RelativeSizeAxes = Axes.X,
Margin = new MarginPadding { Top = 5 }
};
private sealed class NumberControl : CompositeDrawable, IHasCurrentValue<int?>
{
private readonly BindableWithCurrent<int?> current = new BindableWithCurrent<int?>();
public Bindable<int?> Current
{
get => current.Current;
set => current.Current = value;
}
public NumberControl()
{
AutoSizeAxes = Axes.Y;
OutlinedNumberBox numberBox;
InternalChildren = new[]
{
numberBox = new OutlinedNumberBox
{
LengthLimit = 9, // limited to less than a value that could overflow int32 backing.
Margin = new MarginPadding { Top = 5 },
RelativeSizeAxes = Axes.X,
CommitOnFocusLost = true
}
};
numberBox.Current.BindValueChanged(e =>
{
int? value = null;
if (int.TryParse(e.NewValue, out var intVal))
value = intVal;
current.Value = value;
});
Current.BindValueChanged(e =>
{
numberBox.Current.Value = e.NewValue?.ToString();
});
}
}
private class OutlinedNumberBox : OutlinedTextBox
{
protected override bool CanAddCharacter(char character) => char.IsNumber(character);
}
}
}