C++ (Cpp) FInputEvent::FindGeometry Examples

Example #1

File: FDockingDragOperation.cpp Project: RandomDeveloperM/UE4_Hairworks

void FDockingDragOperation::SetHoveredTarget( const FDockTarget& InTarget, const FInputEvent& InputEvent )
{
	if ( HoveredDockTarget != InTarget )
	{
		HoveredDockTarget = InTarget;
		TSharedPtr<SDockingNode> HoveredTargetNode = InTarget.TargetNode.Pin();
		
		FCurveSequence Sequence;
		Sequence.AddCurve( 0, 0.1f, ECurveEaseFunction::QuadOut );

		if ( HoveredTargetNode.IsValid() )
		{
			const FGeometry TargetDockNodeGeometry = InputEvent.FindGeometry( HoveredTargetNode.ToSharedRef() );
			FSlateRect TabStackArea = GetPreviewAreaForDirection(
				TargetDockNodeGeometry.GetClippingRect(),
				InTarget.DockDirection );

			const float TargetOpacity = CursorDecoratorWindow->GetOpacity();

			CursorDecoratorWindow->MorphToShape( Sequence, TargetOpacity, TabStackArea );

			CursorDecoratorWindow->SetColorAndOpacity( FCoreStyle::Get().GetColor( TEXT("Docking.Cross.PreviewWindowTint") ) );

			TabBeingDragged->SetDraggedOverDockArea( HoveredTargetNode->GetDockArea() );
		}
		else
		{
			CursorDecoratorWindow->MorphToShape( Sequence, CursorDecoratorWindow->GetOpacity(), CursorDecoratorWindow->GetMorphTargetShape() );
			CursorDecoratorWindow->SetColorAndOpacity( FLinearColor::White );

			TabBeingDragged->SetDraggedOverDockArea( NULL );
		}
	}
}