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osu-lazer/osu.Game/Screens/Select/FooterButton.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;
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using osuTK;
using osuTK.Graphics;
using osuTK.Input;
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using osu.Framework.Graphics;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.Sprites;
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using osu.Framework.Input.Events;
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using osu.Game.Graphics.Sprites;
using osu.Game.Graphics.Containers;
namespace osu.Game.Screens.Select
{
public class FooterButton : OsuClickableContainer
{
private static readonly Vector2 shearing = new Vector2(0.15f, 0);
public string Text
{
get { return spriteText?.Text; }
set
{
if (spriteText != null)
spriteText.Text = value;
}
}
private Color4 deselectedColour;
public Color4 DeselectedColour
{
get { return deselectedColour; }
set
{
deselectedColour = value;
if (light.Colour != SelectedColour)
light.Colour = value;
}
}
private Color4 selectedColour;
public Color4 SelectedColour
{
get { return selectedColour; }
set
{
selectedColour = value;
box.Colour = selectedColour;
}
}
private readonly SpriteText spriteText;
private readonly Box box;
private readonly Box light;
public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => box.ReceivePositionalInputAt(screenSpacePos);
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public FooterButton()
{
Children = new Drawable[]
{
box = new Box
{
RelativeSizeAxes = Axes.Both,
Shear = shearing,
EdgeSmoothness = new Vector2(2, 0),
Colour = Color4.White,
Alpha = 0,
},
light = new Box
{
Shear = shearing,
Height = 4,
EdgeSmoothness = new Vector2(2, 0),
RelativeSizeAxes = Axes.X,
},
spriteText = new OsuSpriteText
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
}
};
}
public Action Hovered;
public Action HoverLost;
public Key? Hotkey;
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protected override bool OnHover(HoverEvent e)
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{
Hovered?.Invoke();
light.ScaleTo(new Vector2(1, 2), Footer.TRANSITION_LENGTH, Easing.OutQuint);
light.FadeColour(SelectedColour, Footer.TRANSITION_LENGTH, Easing.OutQuint);
return true;
}
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protected override void OnHoverLost(HoverLostEvent e)
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{
HoverLost?.Invoke();
light.ScaleTo(new Vector2(1, 1), Footer.TRANSITION_LENGTH, Easing.OutQuint);
light.FadeColour(DeselectedColour, Footer.TRANSITION_LENGTH, Easing.OutQuint);
}
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protected override bool OnMouseDown(MouseDownEvent e)
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{
box.FadeTo(0.3f, Footer.TRANSITION_LENGTH * 2, Easing.OutQuint);
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return base.OnMouseDown(e);
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}
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protected override bool OnMouseUp(MouseUpEvent e)
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{
box.FadeOut(Footer.TRANSITION_LENGTH, Easing.OutQuint);
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return base.OnMouseUp(e);
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}
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protected override bool OnClick(ClickEvent e)
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{
box.ClearTransforms();
box.Alpha = 1;
box.FadeOut(Footer.TRANSITION_LENGTH * 3, Easing.OutQuint);
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return base.OnClick(e);
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}
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protected override bool OnKeyDown(KeyDownEvent e)
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{
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if (!e.Repeat && e.Key == Hotkey)
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{
Click();
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return true;
}
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return base.OnKeyDown(e);
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}
}
}