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osu-lazer/osu.Game/Screens/Edit/Components/RadioButtons/EditorRadioButton.cs

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// 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.
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using System;
using osu.Framework.Allocation;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Cursor;
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using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Localisation;
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using osu.Game.Graphics.Sprites;
using osu.Game.Graphics.UserInterface;
using osu.Game.Overlays;
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using osuTK;
using osuTK.Graphics;
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namespace osu.Game.Screens.Edit.Components.RadioButtons
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{
public partial class EditorRadioButton : OsuButton, IHasTooltip
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{
/// <summary>
/// Invoked when this <see cref="EditorRadioButton"/> has been selected.
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/// </summary>
public Action<RadioButton>? Selected;
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public readonly RadioButton Button;
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private Color4 defaultBackgroundColour;
private Color4 defaultIconColour;
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private Color4 selectedBackgroundColour;
private Color4 selectedIconColour;
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private Drawable icon = null!;
public EditorRadioButton(RadioButton button)
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{
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Button = button;
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Text = button.Label;
Action = button.Select;
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RelativeSizeAxes = Axes.X;
}
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[BackgroundDependencyLoader]
private void load(OverlayColourProvider colourProvider)
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{
defaultBackgroundColour = colourProvider.Background3;
selectedBackgroundColour = colourProvider.Background1;
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defaultIconColour = defaultBackgroundColour.Darken(0.5f);
selectedIconColour = selectedBackgroundColour.Lighten(0.5f);
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Add(icon = (Button.CreateIcon?.Invoke() ?? new Circle()).With(b =>
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{
b.Blending = BlendingParameters.Additive;
b.Anchor = Anchor.CentreLeft;
b.Origin = Anchor.CentreLeft;
b.Size = new Vector2(20);
b.X = 10;
}));
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}
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protected override void LoadComplete()
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{
base.LoadComplete();
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Button.Selected.ValueChanged += selected =>
{
updateSelectionState();
if (selected.NewValue)
Selected?.Invoke(Button);
};
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Button.Selected.BindDisabledChanged(disabled => Enabled.Value = !disabled, true);
updateSelectionState();
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}
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private void updateSelectionState()
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{
if (!IsLoaded)
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return;
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BackgroundColour = Button.Selected.Value ? selectedBackgroundColour : defaultBackgroundColour;
icon.Colour = Button.Selected.Value ? selectedIconColour : defaultIconColour;
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}
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protected override SpriteText CreateText() => new OsuSpriteText
{
Depth = -1,
Origin = Anchor.CentreLeft,
Anchor = Anchor.CentreLeft,
X = 40f
};
public LocalisableString TooltipText => Button.TooltipText;
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}
}