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Code Issues Releases Wiki Activity

Ensure ZoomableScrollContainer content isn't shown until zoom is set

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This commit is contained in:
Dean Herbert 2022-09-27 17:05:10 +09:00
parent 9dc0eb7fd0
commit ccae721af2
1 changed files with 12 additions and 3 deletions
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15
osu.Game/Screens/Edit/Compose/Components/Timeline/ZoomableScrollContainer.cs
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@ -56,7 +56,14 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
protected ZoomableScrollContainer()
: base(Direction.Horizontal)
{
base.Content.Add(zoomedContent = new Container { RelativeSizeAxes = Axes.Y });
base.Content.Add(zoomedContent = new Container
{
RelativeSizeAxes = Axes.Y,
// We must hide content until SetupZoom is called.
// If not, a child component that relies on its DrawWidth (via RelativeSizeAxes) may see a very incorrect value
// momentarily, as noticed in the TimelineTickDisplay, which would render thousands of ticks incorrectly.
Alpha = 0,
});
AddLayout(zoomedContentWidthCache);
}
@ -94,6 +101,8 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
maxZoom = maximum;
CurrentZoom = zoomTarget = initial;
isZoomSetUp = true;
zoomedContent.Show();
}
/// <summary>
@ -118,9 +127,9 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
CurrentZoom = zoomTarget = newZoom;
}
protected override void Update()
protected override void UpdateAfterChildren()
{
base.Update();
base.UpdateAfterChildren();
if (!zoomedContentWidthCache.IsValid)
updateZoomedContentWidth();