osu/osu.Game/Graphics/UserInterface/DialogButton.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 OpenTK;
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using OpenTK.Graphics;
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using osu.Framework.Graphics;
using osu.Framework.Graphics.Colour;
using osu.Framework.Graphics.Shapes;
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using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.Containers;
using osu.Game.Graphics.Backgrounds;
using osu.Game.Graphics.Sprites;
using osu.Framework.Extensions.Color4Extensions;
using osu.Game.Graphics.Containers;
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namespace osu.Game.Graphics.UserInterface
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{
public class DialogButton : OsuClickableContainer
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{
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private const float hover_width = 0.9f;
private const float hover_duration = 500;
private const float glow_fade_duration = 250;
private const float click_duration = 200;
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private Color4 buttonColour;
public Color4 ButtonColour
{
get
{
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return buttonColour;
}
set
{
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buttonColour = value;
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updateGlow();
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colourContainer.Colour = value;
}
}
private Color4 backgroundColour = OsuColour.Gray(34);
public Color4 BackgroundColour
{
get
{
return backgroundColour;
}
set
{
backgroundColour = value;
background.Colour = value;
}
}
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private string text;
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public string Text
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{
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get
{
return text;
}
set
{
text = value;
spriteText.Text = Text;
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}
}
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private float textSize = 28;
internal float TextSize
{
get
{
return textSize;
}
set
{
textSize = value;
spriteText.TextSize = value;
}
}
private readonly Container backgroundContainer;
private readonly Container colourContainer;
private readonly Container glowContainer;
private readonly Box leftGlow;
private readonly Box centerGlow;
private readonly Box rightGlow;
private readonly Box background;
private readonly SpriteText spriteText;
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private Vector2 hoverSpacing => new Vector2(3f, 0f);
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private bool didClick; // Used for making sure that the OnMouseDown animation can call instead of OnHoverLost's when clicking
public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => backgroundContainer.ReceiveMouseInputAt(screenSpacePos);
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protected override bool OnClick(Framework.Input.InputState state)
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{
didClick = true;
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colourContainer.ResizeTo(new Vector2(1.5f, 1f), click_duration, Easing.In);
flash();
this.Delay(click_duration).Schedule(delegate {
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colourContainer.ResizeTo(new Vector2(0.8f, 1f));
spriteText.Spacing = Vector2.Zero;
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glowContainer.FadeOut();
});
return base.OnClick(state);
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}
protected override bool OnHover(Framework.Input.InputState state)
{
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spriteText.TransformSpacingTo(hoverSpacing, hover_duration, Easing.OutElastic);
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colourContainer.ResizeTo(new Vector2(hover_width, 1f), hover_duration, Easing.OutElastic);
glowContainer.FadeIn(glow_fade_duration, Easing.Out);
base.OnHover(state);
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return true;
}
protected override void OnHoverLost(Framework.Input.InputState state)
{
if (!didClick)
{
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colourContainer.ResizeTo(new Vector2(0.8f, 1f), hover_duration, Easing.OutElastic);
spriteText.TransformSpacingTo(Vector2.Zero, hover_duration, Easing.OutElastic);
glowContainer.FadeOut(glow_fade_duration, Easing.Out);
}
didClick = false;
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}
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private void flash()
{
var flash = new Box
{
RelativeSizeAxes = Axes.Both
};
colourContainer.Add(flash);
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flash.Colour = ButtonColour;
flash.BlendingMode = BlendingMode.Additive;
flash.Alpha = 0.3f;
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flash.FadeOutFromOne(click_duration);
flash.Expire();
}
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private void updateGlow()
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{
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leftGlow.Colour = ColourInfo.GradientHorizontal(new Color4(ButtonColour.R, ButtonColour.G, ButtonColour.B, 0f), ButtonColour);
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centerGlow.Colour = ButtonColour;
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rightGlow.Colour = ColourInfo.GradientHorizontal(ButtonColour, new Color4(ButtonColour.R, ButtonColour.G, ButtonColour.B, 0f));
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}
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public DialogButton()
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{
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RelativeSizeAxes = Axes.X;
Children = new Drawable[]
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{
backgroundContainer = new Container
{
RelativeSizeAxes = Axes.Both,
Width = 1f,
Children = new Drawable[]
{
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background = new Box
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{
RelativeSizeAxes = Axes.Both,
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Colour = backgroundColour,
},
},
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},
glowContainer = new Container
{
RelativeSizeAxes = Axes.Both,
Width = 1f,
Alpha = 0f,
Children = new Drawable[]
{
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leftGlow = new Box
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{
RelativeSizeAxes = Axes.Both,
Origin = Anchor.TopLeft,
Anchor = Anchor.TopLeft,
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Width = 0.125f,
},
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centerGlow = new Box
{
RelativeSizeAxes = Axes.Both,
Origin = Anchor.Centre,
Anchor = Anchor.Centre,
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Width = 0.75f,
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},
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rightGlow = new Box
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{
RelativeSizeAxes = Axes.Both,
Origin = Anchor.TopRight,
Anchor = Anchor.TopRight,
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Width = 0.125f,
},
},
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},
new Container
{
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RelativeSizeAxes = Axes.Both,
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Origin = Anchor.Centre,
Anchor = Anchor.Centre,
Masking = true,
Children = new Drawable[]
{
colourContainer = new Container
{
RelativeSizeAxes = Axes.Both,
Origin = Anchor.Centre,
Anchor = Anchor.Centre,
Width = 0.8f,
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Masking = true,
MaskingSmoothness = 2,
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EdgeEffect = new EdgeEffectParameters
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{
Type = EdgeEffectType.Shadow,
Colour = Color4.Black.Opacity(0.2f),
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Radius = 5,
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},
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Colour = ButtonColour,
Shear = new Vector2(0.2f, 0),
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Children = new Drawable[]
{
new Box
{
EdgeSmoothness = new Vector2(2, 0),
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RelativeSizeAxes = Axes.Both,
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},
new Container
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{
RelativeSizeAxes = Axes.Both,
Masking = true,
MaskingSmoothness = 0,
Children = new[]
{
new Triangles
{
RelativeSizeAxes = Axes.Both,
TriangleScale = 4,
ColourDark = OsuColour.Gray(0.88f),
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Shear = new Vector2(-0.2f, 0),
},
},
},
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},
},
},
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},
spriteText = new OsuSpriteText
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{
Text = Text,
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
TextSize = 28,
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Font = "Exo2.0-Bold",
Shadow = true,
ShadowColour = new Color4(0, 0, 0, 0.1f),
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Colour = Color4.White,
},
};
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updateGlow();
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}
}
}