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Working on new root canvas stuff

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This commit is contained in:
jyelon
2026-04-21 22:28:22 -04:00
parent 8e5d43fd24
commit 4420c52b74
4 changed files with 37 additions and 1 deletions
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22
Source/Integration/RootCanvas.cpp
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@@ -54,6 +54,18 @@ int32 UlxRootCanvasPanel::GetMaxZOrder() const
return MaxZOrder;
}
void UlxRootCanvasPanel::PropagateZOrderToSlate()
{
if (!MustPropagateZOrderToSlate) return;
MustPropagateZOrderToSlate = false;
for (UPanelSlot *PanelSlot : Slots)
{
UlxRootCanvasSlot *TypedSlot = Cast<UlxRootCanvasSlot>(PanelSlot);
check(TypedSlot);
TypedSlot->SetZOrder(TypedSlot->GetZOrder());
}
}
TArray<UlxRootCanvasSlot*> UlxRootCanvasPanel::GetSortedUserWidgets()
{
TArray<UlxRootCanvasSlot*> Result;
@@ -95,7 +107,15 @@ void UlxRootCanvasPanel::SetWidgetWindowManagement(class UUserWidget *Widget,
Widget->SetDesiredFocusWidget(DesiredFocusWidget);
if (BringToFront)
{
Slot->SetZOrder(Panel->GetMaxZOrder() + 1);
// Write the int32 ZOrder UPROPERTY directly and defer the
// Slate-side push to PropagateZOrderToSlate. Going through SetZOrder
// here is unsafe when called from Event Construct: the FSlot
// has been Exposed but its Owner isn't set yet, which fires
// an ensure in SConstraintCanvas::FSlot::SetZOrder.
PRAGMA_DISABLE_DEPRECATION_WARNINGS
Slot->ZOrder = Panel->GetMaxZOrder() + 1;
PRAGMA_ENABLE_DEPRECATION_WARNINGS
Panel->MustPropagateZOrderToSlate = true;
}
}