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osu-lazer/osu.Game/Screens/Select/Footer.cs

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C#
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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
using System;
using System.Collections.Generic;
using System.Linq;
using OpenTK;
using OpenTK.Graphics;
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using OpenTK.Input;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Input;
using osu.Game.Graphics.UserInterface;
namespace osu.Game.Screens.Select
{
public class Footer : Container
{
private readonly Box modeLight;
private const float play_song_select_button_width = 100;
private const float play_song_select_button_height = 50;
public const float HEIGHT = 50;
public const int TRANSITION_LENGTH = 300;
private const float padding = 80;
public Action OnBack;
private readonly FillFlowContainer<FooterButton> buttons;
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/// <param name="text">Text on the button.</param>
/// <param name="colour">Colour of the button.</param>
/// <param name="hotkey">Hotkey of the button.</param>
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/// <param name="action">Action the button does.</param>
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/// <param name="depth">
/// <para>Higher depth to be put on the left, and lower to be put on the right.</para>
/// <para>Notice this is different to <see cref="Options.BeatmapOptionsOverlay"/>!</para>
/// </param>
public void AddButton(string text, Color4 colour, Action action, Key? hotkey = null, float depth = 0) => buttons.Add(new FooterButton
{
Text = text,
Height = play_song_select_button_height,
Width = play_song_select_button_width,
Depth = depth,
SelectedColour = colour,
DeselectedColour = colour.Opacity(0.5f),
Hotkey = hotkey,
Hovered = updateModeLight,
HoverLost = updateModeLight,
Action = action,
});
private readonly List<OverlayContainer> overlays = new List<OverlayContainer>();
/// <param name="text">Text on the button.</param>
/// <param name="colour">Colour of the button.</param>
/// <param name="hotkey">Hotkey of the button.</param>
/// <param name="overlay">The <see cref="OverlayContainer"/> to be toggled by this button.</param>
/// <param name="depth">
/// <para>Higher depth to be put on the left, and lower to be put on the right.</para>
/// <para>Notice this is different to <see cref="Options.BeatmapOptionsOverlay"/>!</para>
/// </param>
public void AddButton(string text, Color4 colour, OverlayContainer overlay, Key? hotkey = null, float depth = 0)
{
overlays.Add(overlay);
AddButton(text, colour, () =>
{
foreach (var o in overlays)
{
if (o == overlay)
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o.ToggleVisibility();
else
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o.Hide();
}
}, hotkey, depth);
}
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private void updateModeLight() => modeLight.FadeColour(buttons.FirstOrDefault(b => b.IsHovered)?.SelectedColour ?? Color4.Transparent, TRANSITION_LENGTH, Easing.OutQuint);
public Footer()
{
RelativeSizeAxes = Axes.X;
Height = HEIGHT;
Anchor = Anchor.BottomCentre;
Origin = Anchor.BottomCentre;
Children = new Drawable[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Size = Vector2.One,
Colour = Color4.Black.Opacity(0.5f),
},
modeLight = new Box
{
RelativeSizeAxes = Axes.X,
Height = 3,
Position = new Vector2(0, -3),
},
new BackButton
{
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft,
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Action = () => OnBack?.Invoke()
},
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new FillFlowContainer
{
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft,
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Position = new Vector2(TwoLayerButton.SIZE_EXTENDED.X + padding, 0),
RelativeSizeAxes = Axes.Y,
AutoSizeAxes = Axes.X,
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Direction = FillDirection.Horizontal,
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Spacing = new Vector2(padding, 0),
Children = new Drawable[]
{
buttons = new FillFlowContainer<FooterButton>
{
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Direction = FillDirection.Horizontal,
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Spacing = new Vector2(0.2f, 0),
AutoSizeAxes = Axes.Both,
}
}
}
};
updateModeLight();
}
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protected override bool OnMouseDown(InputState state, MouseDownEventArgs args) => true;
protected override bool OnClick(InputState state) => true;
protected override bool OnDragStart(InputState state) => true;
}
}