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Code Issues Releases Wiki Activity

Change logic to be more resilient by identifying user scroll events

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This commit is contained in:
Dean Herbert 2020-03-13 12:30:27 +09:00
parent 5f8d180b5e
commit ac70fcc544
1 changed files with 19 additions and 7 deletions
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26
osu.Game/Screens/Select/BeatmapCarousel.cs
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@ -66,7 +66,7 @@ namespace osu.Game.Screens.Select
/// </summary>
public bool BeatmapSetsLoaded { get; private set; }
private readonly OsuScrollContainer scroll;
private readonly CarouselScrollContainer scroll;
private IEnumerable<CarouselBeatmapSet> beatmapSets => root.Children.OfType<CarouselBeatmapSet>();
@ -424,7 +424,7 @@ namespace osu.Game.Screens.Select
root.Filter(activeCriteria);
itemsCache.Invalidate();
if (alwaysResetScrollPosition || isAtScrollTarget)
if (alwaysResetScrollPosition || !scroll.UserScrolling)
ScrollToSelected();
}
@ -695,11 +695,6 @@ namespace osu.Game.Screens.Select
itemsCache.Validate();
}
/// <summary>
/// Denotes whether the current scroll position is roughly at the scroll target (the current selection).
/// </summary>
private bool isAtScrollTarget => scrollTarget != null && Precision.AlmostEquals(scrollTarget.Value, scroll.Current, 150);
private bool firstScroll = true;
private void updateScrollPosition()
@ -779,6 +774,23 @@ namespace osu.Game.Screens.Select
{
private bool rightMouseScrollBlocked;
/// <summary>
/// Whether the last scroll event was user triggered, directly on the scroll container.
/// </summary>
public bool UserScrolling { get; private set; }
protected override void OnUserScroll(float value, bool animated = true, double? distanceDecay = null)
{
UserScrolling = true;
base.OnUserScroll(value, animated, distanceDecay);
}
public new void ScrollTo(float value, bool animated = true, double? distanceDecay = null)
{
UserScrolling = false;
base.ScrollTo(value, animated, distanceDecay);
}
protected override bool OnMouseDown(MouseDownEvent e)
{
if (e.Button == MouseButton.Right)