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80 lines
2.2 KiB
C#
80 lines
2.2 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;
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using osu.Framework.Graphics;
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using osu.Framework.Input.Events;
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using osu.Framework.Utils;
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using osu.Game.Graphics.Containers;
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namespace osu.Game.Beatmaps.Drawables.Cards
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{
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public class ExpandedContentScrollContainer : OsuScrollContainer
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{
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public const float HEIGHT = 200;
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protected override ScrollbarContainer CreateScrollbar(Direction direction) => new ExpandedContentScrollbar(direction);
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protected override void Update()
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{
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base.Update();
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Height = Math.Min(Content.DrawHeight, HEIGHT);
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ScrollbarVisible = allowScroll;
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}
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private bool allowScroll => !Precision.AlmostEquals(DrawSize, Content.DrawSize);
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protected override bool OnDragStart(DragStartEvent e)
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{
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if (!allowScroll)
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return false;
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return base.OnDragStart(e);
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}
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protected override void OnDrag(DragEvent e)
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{
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if (!allowScroll)
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return;
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base.OnDrag(e);
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}
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protected override void OnDragEnd(DragEndEvent e)
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{
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if (!allowScroll)
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return;
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base.OnDragEnd(e);
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}
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protected override bool OnScroll(ScrollEvent e)
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{
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if (!allowScroll)
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return false;
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return base.OnScroll(e);
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}
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private class ExpandedContentScrollbar : OsuScrollbar
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{
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public ExpandedContentScrollbar(Direction scrollDir)
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: base(scrollDir)
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{
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}
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protected override bool OnHover(HoverEvent e)
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{
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base.OnHover(e);
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// do not handle hover, as handling hover would make the beatmap card's expanded content not-hovered
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// and therefore cause it to hide when trying to drag the scroll bar.
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// see: `BeatmapCardContent.dropdownContent` and its `Unhovered` handler.
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return false;
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}
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}
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}
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}
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