mirror of
https://github.com/ppy/osu.git
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168 lines
4.8 KiB
C#
168 lines
4.8 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using osu.Framework.Allocation;
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using osu.Framework.Extensions.Color4Extensions;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Shapes;
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using osu.Framework.Graphics.Sprites;
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using osu.Framework.Graphics.UserInterface;
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using osu.Framework.Input.Events;
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using osu.Framework.Localisation;
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using osu.Game.Graphics.Sprites;
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using osuTK.Graphics;
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namespace osu.Game.Graphics.UserInterface
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{
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/// <summary>
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/// A button with added default sound effects.
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/// </summary>
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public class OsuButton : Button
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{
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public LocalisableString Text
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{
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get => SpriteText?.Text ?? default;
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set
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{
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if (SpriteText != null)
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SpriteText.Text = value;
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}
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}
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private Color4? backgroundColour;
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/// <summary>
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/// Sets a custom background colour to this button, replacing the provided default.
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/// </summary>
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public Color4 BackgroundColour
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{
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get => backgroundColour ?? defaultBackgroundColour;
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set
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{
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backgroundColour = value;
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Background.FadeColour(value);
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}
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}
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private Color4 defaultBackgroundColour;
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/// <summary>
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/// Sets a default background colour to this button.
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/// </summary>
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protected Color4 DefaultBackgroundColour
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{
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get => defaultBackgroundColour;
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set
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{
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defaultBackgroundColour = value;
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if (backgroundColour == null)
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Background.FadeColour(value);
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}
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}
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protected override Container<Drawable> Content { get; }
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protected Box Hover;
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protected Box Background;
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protected SpriteText SpriteText;
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public OsuButton(HoverSampleSet? hoverSounds = HoverSampleSet.Button)
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{
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Height = 40;
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AddInternal(Content = new Container
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Masking = true,
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CornerRadius = 5,
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RelativeSizeAxes = Axes.Both,
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Children = new Drawable[]
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{
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Background = new Box
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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RelativeSizeAxes = Axes.Both,
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},
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Hover = new Box
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{
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Alpha = 0,
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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RelativeSizeAxes = Axes.Both,
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Colour = Color4.White.Opacity(.1f),
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Blending = BlendingParameters.Additive,
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Depth = float.MinValue
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},
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SpriteText = CreateText(),
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}
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});
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if (hoverSounds.HasValue)
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AddInternal(new HoverClickSounds(hoverSounds.Value));
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}
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[BackgroundDependencyLoader]
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private void load(OsuColour colours)
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{
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DefaultBackgroundColour = colours.BlueDark;
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}
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protected override void LoadComplete()
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{
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base.LoadComplete();
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Colour = dimColour;
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Enabled.BindValueChanged(_ => this.FadeColour(dimColour, 200, Easing.OutQuint));
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}
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private Color4 dimColour => Enabled.Value ? Color4.White : Color4.Gray;
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protected override bool OnClick(ClickEvent e)
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{
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if (Enabled.Value)
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Background.FlashColour(BackgroundColour.Lighten(0.4f), 200);
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return base.OnClick(e);
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}
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protected override bool OnHover(HoverEvent e)
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{
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if (Enabled.Value)
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Hover.FadeIn(200, Easing.OutQuint);
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return base.OnHover(e);
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}
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protected override void OnHoverLost(HoverLostEvent e)
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{
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base.OnHoverLost(e);
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Hover.FadeOut(300);
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}
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protected override bool OnMouseDown(MouseDownEvent e)
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{
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Content.ScaleTo(0.9f, 4000, Easing.OutQuint);
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return base.OnMouseDown(e);
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}
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protected override void OnMouseUp(MouseUpEvent e)
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{
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Content.ScaleTo(1, 1000, Easing.OutElastic);
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base.OnMouseUp(e);
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}
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protected virtual SpriteText CreateText() => new OsuSpriteText
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{
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Depth = -1,
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Origin = Anchor.Centre,
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Anchor = Anchor.Centre,
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Font = OsuFont.GetFont(weight: FontWeight.Bold)
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};
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}
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}
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