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https://github.com/ppy/osu
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48 lines
1.6 KiB
C#
48 lines
1.6 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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#nullable disable
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using System.Collections.Generic;
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using osu.Framework.Bindables;
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using osu.Framework.Graphics.UserInterface;
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using osu.Game.Graphics.UserInterface;
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namespace osu.Game.Screens.Edit
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{
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internal class WaveformOpacityMenuItem : MenuItem
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{
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private readonly Bindable<float> waveformOpacity;
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private readonly Dictionary<float, TernaryStateRadioMenuItem> menuItemLookup = new Dictionary<float, TernaryStateRadioMenuItem>();
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public WaveformOpacityMenuItem(Bindable<float> waveformOpacity)
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: base("Waveform opacity")
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{
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Items = new[]
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{
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createMenuItem(0.25f),
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createMenuItem(0.5f),
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createMenuItem(0.75f),
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createMenuItem(1f),
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};
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this.waveformOpacity = waveformOpacity;
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waveformOpacity.BindValueChanged(opacity =>
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{
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foreach (var kvp in menuItemLookup)
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kvp.Value.State.Value = kvp.Key == opacity.NewValue ? TernaryState.True : TernaryState.False;
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}, true);
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}
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private TernaryStateRadioMenuItem createMenuItem(float opacity)
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{
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var item = new TernaryStateRadioMenuItem($"{opacity * 100}%", MenuItemType.Standard, _ => updateOpacity(opacity));
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menuItemLookup[opacity] = item;
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return item;
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}
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private void updateOpacity(float opacity) => waveformOpacity.Value = opacity;
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}
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}
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