osu/osu.Game/Graphics/UserInterfaceV2/RoundedButton.cs

112 lines
3.3 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.Collections.Generic;
using System.Diagnostics;
using osu.Framework.Allocation;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Colour;
using osu.Framework.Graphics.Containers;
using osu.Framework.Input.Events;
using osu.Framework.Localisation;
using osu.Game.Graphics.Backgrounds;
using osu.Game.Graphics.UserInterface;
using osu.Game.Overlays;
using osuTK.Graphics;
namespace osu.Game.Graphics.UserInterfaceV2
{
public partial class RoundedButton : OsuButton, IFilterable
{
protected TrianglesV2? Triangles { get; private set; }
protected override float HoverLayerFinalAlpha => 0;
private Color4? triangleGradientSecondColour;
public override float Height
{
get => base.Height;
set
{
base.Height = value;
if (IsLoaded)
updateCornerRadius();
}
}
public override Color4 BackgroundColour
{
get => base.BackgroundColour;
set
{
base.BackgroundColour = value;
triangleGradientSecondColour = BackgroundColour.Lighten(0.2f);
updateColours();
}
}
[BackgroundDependencyLoader(true)]
private void load(OverlayColourProvider? overlayColourProvider, OsuColour colours)
{
// Many buttons have local colours, but this provides a sane default for all other cases.
DefaultBackgroundColour = overlayColourProvider?.Colour3 ?? colours.Blue3;
triangleGradientSecondColour ??= overlayColourProvider?.Colour1 ?? colours.Blue3.Lighten(0.2f);
}
protected override void LoadComplete()
{
base.LoadComplete();
updateCornerRadius();
Add(Triangles = new TrianglesV2
{
Thickness = 0.02f,
SpawnRatio = 0.6f,
RelativeSizeAxes = Axes.Both,
Depth = float.MaxValue,
});
updateColours();
}
private void updateColours()
{
if (Triangles == null)
return;
Debug.Assert(triangleGradientSecondColour != null);
Triangles.Colour = ColourInfo.GradientVertical(triangleGradientSecondColour.Value, BackgroundColour);
}
protected override bool OnHover(HoverEvent e)
{
Debug.Assert(triangleGradientSecondColour != null);
Background.FadeColour(triangleGradientSecondColour.Value, 300, Easing.OutQuint);
return base.OnHover(e);
}
protected override void OnHoverLost(HoverLostEvent e)
{
Background.FadeColour(BackgroundColour, 300, Easing.OutQuint);
base.OnHoverLost(e);
}
private void updateCornerRadius() => Content.CornerRadius = DrawHeight / 2;
public virtual IEnumerable<LocalisableString> FilterTerms => new[] { Text };
public bool MatchingFilter
{
set => this.FadeTo(value ? 1 : 0);
}
public bool FilteringActive { get; set; }
}
}