osu/osu.Game/Screens/Select/FooterButton.cs

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// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System;
using OpenTK;
using OpenTK.Graphics;
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using OpenTK.Input;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Sprites;
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using osu.Framework.Input;
using osu.Game.Graphics.Sprites;
namespace osu.Game.Screens.Select
{
public class FooterButton : ClickableContainer
{
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;
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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 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;
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public Key? Hotkey;
protected override bool OnHover(InputState state)
{
Hovered?.Invoke();
light.ScaleTo(new Vector2(1, 2), Footer.TRANSITION_LENGTH, EasingTypes.OutQuint);
light.FadeColour(SelectedColour, Footer.TRANSITION_LENGTH, EasingTypes.OutQuint);
return true;
}
protected override void OnHoverLost(InputState state)
{
HoverLost?.Invoke();
light.ScaleTo(new Vector2(1, 1), Footer.TRANSITION_LENGTH, EasingTypes.OutQuint);
light.FadeColour(DeselectedColour, Footer.TRANSITION_LENGTH, EasingTypes.OutQuint);
}
protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
{
box.FadeTo(0.3f, Footer.TRANSITION_LENGTH * 2, EasingTypes.OutQuint);
return base.OnMouseDown(state, args);
}
protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
{
box.FadeOut(Footer.TRANSITION_LENGTH, EasingTypes.OutQuint);
return base.OnMouseUp(state, args);
}
protected override bool OnClick(InputState state)
{
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box.ClearTransforms();
box.Alpha = 1;
box.FadeOut(Footer.TRANSITION_LENGTH * 3, EasingTypes.OutQuint);
return base.OnClick(state);
}
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protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
{
if (!args.Repeat && args.Key == Hotkey)
{
OnClick(state);
return true;
}
return base.OnKeyDown(state, args);
}
}
}