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https://github.com/ppy/osu
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70 lines
2.0 KiB
C#
70 lines
2.0 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 System.Linq;
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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.Cursor;
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using osu.Framework.Input;
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namespace osu.Game.Graphics.Cursor
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{
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/// <summary>
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/// A container which provides a <see cref="MenuCursor"/> which can be overridden by hovered <see cref="Drawable"/>s.
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/// </summary>
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public class MenuCursorContainer : Container, IProvideCursor
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{
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protected override Container<Drawable> Content => content;
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private readonly Container content;
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/// <summary>
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/// Whether any cursors can be displayed.
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/// </summary>
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internal bool CanShowCursor = true;
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public CursorContainer Cursor { get; }
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public bool ProvidingUserCursor => true;
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public MenuCursorContainer()
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{
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AddRangeInternal(new Drawable[]
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{
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Cursor = new MenuCursor { State = Visibility.Hidden },
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content = new Container { RelativeSizeAxes = Axes.Both }
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});
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}
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private InputManager inputManager;
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protected override void LoadComplete()
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{
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base.LoadComplete();
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inputManager = GetContainingInputManager();
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}
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private IProvideCursor currentTarget;
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protected override void Update()
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{
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base.Update();
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if (!CanShowCursor)
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{
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currentTarget?.Cursor?.Hide();
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currentTarget = null;
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return;
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}
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var newTarget = inputManager.HoveredDrawables.OfType<IProvideCursor>().FirstOrDefault(t => t.ProvidingUserCursor) ?? this;
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if (currentTarget == newTarget)
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return;
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currentTarget?.Cursor?.Hide();
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newTarget.Cursor?.Show();
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currentTarget = newTarget;
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}
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}
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}
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