osu/osu.Game/Graphics/UserInterface/DrawableOsuMenuItem.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.
using osu.Framework.Allocation;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.UserInterface;
using osu.Framework.Input.Events;
using osu.Framework.Localisation;
using osu.Game.Graphics.Sprites;
using osuTK.Graphics;
namespace osu.Game.Graphics.UserInterface
{
public class DrawableOsuMenuItem : Menu.DrawableMenuItem
{
public const int MARGIN_HORIZONTAL = 17;
public const int MARGIN_VERTICAL = 4;
private const int text_size = 17;
private const int transition_length = 80;
private TextContainer text;
public DrawableOsuMenuItem(MenuItem item)
: base(item)
{
}
[BackgroundDependencyLoader]
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private void load()
{
BackgroundColour = Color4.Transparent;
BackgroundColourHover = Color4Extensions.FromHex(@"172023");
AddInternal(new HoverClickSounds());
updateTextColour();
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Item.Action.BindDisabledChanged(_ => updateState(), true);
}
private void updateTextColour()
{
switch ((Item as OsuMenuItem)?.Type)
{
default:
case MenuItemType.Standard:
text.Colour = Color4.White;
break;
case MenuItemType.Destructive:
text.Colour = Color4.Red;
break;
case MenuItemType.Highlighted:
text.Colour = Color4Extensions.FromHex(@"ffcc22");
break;
}
}
protected override bool OnHover(HoverEvent e)
{
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updateState();
return base.OnHover(e);
}
protected override void OnHoverLost(HoverLostEvent e)
{
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updateState();
base.OnHoverLost(e);
}
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private void updateState()
{
Alpha = Item.Action.Disabled ? 0.2f : 1;
if (IsHovered && !Item.Action.Disabled)
{
text.BoldText.FadeIn(transition_length, Easing.OutQuint);
text.NormalText.FadeOut(transition_length, Easing.OutQuint);
}
else
{
text.BoldText.FadeOut(transition_length, Easing.OutQuint);
text.NormalText.FadeIn(transition_length, Easing.OutQuint);
}
}
protected sealed override Drawable CreateContent() => text = CreateTextContainer();
protected virtual TextContainer CreateTextContainer() => new TextContainer();
protected class TextContainer : Container, IHasText
{
public LocalisableString Text
{
get => NormalText.Text;
set
{
NormalText.Text = value;
BoldText.Text = value;
}
}
public readonly SpriteText NormalText;
public readonly SpriteText BoldText;
public TextContainer()
{
Anchor = Anchor.CentreLeft;
Origin = Anchor.CentreLeft;
AutoSizeAxes = Axes.Both;
Children = new Drawable[]
{
NormalText = new OsuSpriteText
{
AlwaysPresent = true, // ensures that the menu item does not change width when switching between normal and bold text.
Anchor = Anchor.CentreLeft,
Origin = Anchor.CentreLeft,
Font = OsuFont.GetFont(size: text_size),
Margin = new MarginPadding { Horizontal = MARGIN_HORIZONTAL, Vertical = MARGIN_VERTICAL },
},
BoldText = new OsuSpriteText
{
AlwaysPresent = true, // ensures that the menu item does not change width when switching between normal and bold text.
Alpha = 0,
Anchor = Anchor.CentreLeft,
Origin = Anchor.CentreLeft,
Font = OsuFont.GetFont(size: text_size, weight: FontWeight.Bold),
Margin = new MarginPadding { Horizontal = MARGIN_HORIZONTAL, Vertical = MARGIN_VERTICAL },
}
};
}
}
}
}