C++ (Cpp) ArrangeSingleChild示例

示例#1

文件： SWidgetSwitcher.cpp 项目： Tigrouzen/UnrealEngine-4

void SWidgetSwitcher::ArrangeChildren( const FGeometry& AllottedGeometry, FArrangedChildren& ArrangedChildren ) const
{
    if (AllChildren.Num() > 0)
    {
        ArrangeSingleChild(AllottedGeometry, ArrangedChildren, AllChildren[WidgetIndex.Get()], ContentScale);
    }
}

示例#2

文件： SMenuAnchor.cpp 项目： colwalder/unrealengine

void SMenuAnchor::OnArrangeChildren( const FGeometry& AllottedGeometry, FArrangedChildren& ArrangedChildren ) const
{
	ArrangeSingleChild( AllottedGeometry, ArrangedChildren, Children[0], FVector2D::UnitVector );
	const TSharedPtr<SWindow> PresentingWindow = PopupWindowPtr.Pin();
	if (IsOpenAndReusingWindow() && PresentingWindow.IsValid())
	{
		const FPopupPlacement LocalPlacement(AllottedGeometry, Children[1].GetWidget()->GetDesiredSize(), Placement.Get());
		ArrangedChildren.AddWidget(AllottedGeometry.MakeChild(Children[1].GetWidget(), LocalPlacement.LocalPopupSize, FSlateLayoutTransform(LocalPopupPosition)));
	}
}

示例#3

文件： SMenuAnchor.cpp 项目： 1vanK/AHRUnrealEngine

void SMenuAnchor::OnArrangeChildren( const FGeometry& AllottedGeometry, FArrangedChildren& ArrangedChildren ) const
{
	ArrangeSingleChild( AllottedGeometry, ArrangedChildren, Children[0], FVector2D::UnitVector);
	if ( IsOpen() )
	{
		// @todo umg na AllottedGeometry here is in Window-Space when computed via OnPaint.
		//           The incorrect geometry causes the popup to fail workspace-edge tests.
		const FGeometry PopupGeometry = ComputeMenuPlacement( AllottedGeometry, Children[1].GetWidget()->GetDesiredSize(), Placement.Get() );
		ArrangedChildren.AddWidget( FArrangedWidget( Children[1].GetWidget(), PopupGeometry ) );
	}
}

示例#4

文件： SWidgetSwitcher.cpp 项目： ErwinT6/T6Engine

void SWidgetSwitcher::OnArrangeChildren( const FGeometry& AllottedGeometry, FArrangedChildren& ArrangedChildren ) const
{
	const TAttribute<FVector2D> ContentScale = FVector2D::UnitVector;

	if (AllChildren.Num() > 0)
	{
		const FSlot* ActiveSlotPtr = GetActiveSlot();	// Returns null if unsafe attribute WidgetIndex is out-of-bounds
		if (ActiveSlotPtr != nullptr)
		{
			ArrangeSingleChild(AllottedGeometry, ArrangedChildren, *ActiveSlotPtr, ContentScale);
		}
	}
}

示例#5

文件： SCompoundWidget.cpp 项目： Tigrouzen/UnrealEngine-4

void SCompoundWidget::ArrangeChildren( const FGeometry& AllottedGeometry, FArrangedChildren& ArrangedChildren ) const
{
	ArrangeSingleChild( AllottedGeometry, ArrangedChildren, ChildSlot, ContentScale );
}