osu/osu.Game/Graphics/UserInterface/BackButton.cs

82 lines
2.2 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.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Input.Bindings;
using osu.Game.Input.Bindings;
namespace osu.Game.Graphics.UserInterface
{
public class BackButton : VisibilityContainer
{
public Action Action;
private readonly TwoLayerButton button;
public BackButton(Receptor receptor = null)
{
Size = TwoLayerButton.SIZE_EXTENDED;
Child = button = new TwoLayerButton
{
Anchor = Anchor.TopLeft,
Origin = Anchor.TopLeft,
Text = @"back",
Icon = OsuIcon.LeftCircle,
Action = () => Action?.Invoke()
};
if (receptor == null)
{
// if a receptor wasn't provided, create our own locally.
Add(receptor = new Receptor());
}
receptor.OnBackPressed = () => button.Click();
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
button.BackgroundColour = colours.Pink;
button.HoverColour = colours.PinkDark;
}
protected override void PopIn()
{
button.MoveToX(0, 400, Easing.OutQuint);
button.FadeIn(150, Easing.OutQuint);
}
protected override void PopOut()
{
button.MoveToX(-TwoLayerButton.SIZE_EXTENDED.X / 2, 400, Easing.OutQuint);
button.FadeOut(400, Easing.OutQuint);
}
public class Receptor : Drawable, IKeyBindingHandler<GlobalAction>
{
public Action OnBackPressed;
public bool OnPressed(GlobalAction action)
{
switch (action)
{
case GlobalAction.Back:
OnBackPressed?.Invoke();
return true;
}
return false;
}
public void OnReleased(GlobalAction action)
{
}
}
}
}