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osu-lazer/osu.Game/Screens/Edit/Components/RadioButtons/DrawableRadioButton.cs
2020-09-09 18:40:01 +09:00

104 lines
3.1 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 System;
using osu.Framework.Allocation;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Effects;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.Sprites;
using osu.Game.Graphics;
using osu.Game.Graphics.Sprites;
using osu.Game.Graphics.UserInterface;
using osuTK;
using osuTK.Graphics;
namespace osu.Game.Screens.Edit.Components.RadioButtons
{
public class DrawableRadioButton : TriangleButton
{
/// <summary>
/// Invoked when this <see cref="DrawableRadioButton"/> has been selected.
/// </summary>
public Action<RadioButton> Selected;
private Color4 defaultBackgroundColour;
private Color4 defaultBubbleColour;
private Color4 selectedBackgroundColour;
private Color4 selectedBubbleColour;
private Drawable icon;
private readonly RadioButton button;
public DrawableRadioButton(RadioButton button)
{
this.button = button;
Text = button.Item.ToString();
Action = button.Select;
RelativeSizeAxes = Axes.X;
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
defaultBackgroundColour = colours.Gray3;
defaultBubbleColour = defaultBackgroundColour.Darken(0.5f);
selectedBackgroundColour = colours.BlueDark;
selectedBubbleColour = selectedBackgroundColour.Lighten(0.5f);
Triangles.Alpha = 0;
Content.EdgeEffect = new EdgeEffectParameters
{
Type = EdgeEffectType.Shadow,
Radius = 2,
Offset = new Vector2(0, 1),
Colour = Color4.Black.Opacity(0.5f)
};
Add(icon = (button.CreateIcon?.Invoke() ?? new Circle()).With(b =>
{
b.Blending = BlendingParameters.Additive;
b.Anchor = Anchor.CentreLeft;
b.Origin = Anchor.CentreLeft;
b.Size = new Vector2(20);
b.X = 10;
}));
}
protected override void LoadComplete()
{
base.LoadComplete();
button.Selected.ValueChanged += selected =>
{
updateSelectionState();
if (selected.NewValue)
Selected?.Invoke(button);
};
updateSelectionState();
}
private void updateSelectionState()
{
if (!IsLoaded)
return;
BackgroundColour = button.Selected.Value ? selectedBackgroundColour : defaultBackgroundColour;
icon.Colour = button.Selected.Value ? selectedBubbleColour : defaultBubbleColour;
}
protected override SpriteText CreateText() => new OsuSpriteText
{
Depth = -1,
Origin = Anchor.CentreLeft,
Anchor = Anchor.CentreLeft,
X = 40f
};
}
}