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Code Issues Releases Wiki Activity

Improve message highlight handling in DrawableChannel

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This commit is contained in:
Salman Ahmed 2022-03-10 23:06:58 +03:00
parent a31611bdec
commit d07e3101ea
1 changed files with 25 additions and 21 deletions
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46
osu.Game/Overlays/Chat/DrawableChannel.cs
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@ -87,29 +87,31 @@ namespace osu.Game.Overlays.Chat
base.LoadComplete();
highlightedMessage = Channel.HighlightedMessage.GetBoundCopy();
highlightedMessage.BindValueChanged(m =>
{
if (m.NewValue == null)
return;
// schedule highlight to ensure it performs after any pending "newMessagesArrived" calls.
// also schedule after children to ensure the scroll flow is updated with any new chat lines.
ScheduleAfterChildren(() =>
{
var chatLine = chatLines.SingleOrDefault(c => c.Message.Equals(m.NewValue));
if (chatLine != null)
{
float center = scroll.GetChildPosInContent(chatLine, chatLine.DrawSize / 2) - scroll.DisplayableContent / 2;
scroll.ScrollTo(Math.Clamp(center, 0, scroll.ScrollableExtent));
chatLine.Highlight();
}
highlightedMessage.Value = null;
});
}, true);
highlightedMessage.BindValueChanged(_ => processMessageHighlighting(), true);
}
/// <summary>
/// Processes any pending message in <see cref="highlightedMessage"/>.
/// </summary>
/// <remarks>
/// <see cref="CompositeDrawable.ScheduleAfterChildren"/> is for ensuring the scroll flow has updated with any new chat lines.
/// </remarks>
private void processMessageHighlighting() => ScheduleAfterChildren(() =>
{
if (highlightedMessage.Value == null)
return;
var chatLine = chatLines.SingleOrDefault(c => c.Message.Equals(highlightedMessage.Value));
if (chatLine == null)
return;
float center = scroll.GetChildPosInContent(chatLine, chatLine.DrawSize / 2) - scroll.DisplayableContent / 2;
scroll.ScrollTo(Math.Clamp(center, 0, scroll.ScrollableExtent));
chatLine.Highlight();
highlightedMessage.Value = null;
});
protected override void Dispose(bool isDisposing)
{
base.Dispose(isDisposing);
@ -179,6 +181,8 @@ namespace osu.Game.Overlays.Chat
// to avoid making the container think the user has scrolled back up and unwantedly disable auto-scrolling.
if (newMessages.Any(m => m is LocalMessage))
scroll.ScrollToEnd();
processMessageHighlighting();
});
private void pendingMessageResolved(Message existing, Message updated) => Schedule(() =>