57 lines
1.2 KiB
C++
57 lines
1.2 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "ViewportDragOperation.h"
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#include "UObject/Package.h"
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#include UE_INLINE_GENERATED_CPP_BY_NAME(ViewportDragOperation)
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PRAGMA_DISABLE_DEPRECATION_WARNINGS
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UViewportDragOperationComponent::UViewportDragOperationComponent() :
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Super(),
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DragOperation(nullptr)
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{
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}
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UViewportDragOperation* UViewportDragOperationComponent::GetDragOperation()
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{
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return DragOperation;
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}
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void UViewportDragOperationComponent::SetDragOperationClass( const TSubclassOf<UViewportDragOperation> InDragOperation )
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{
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DragOperationSubclass = InDragOperation;
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}
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void UViewportDragOperationComponent::StartDragOperation()
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{
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if ( DragOperationSubclass )
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{
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// Reset the drag operation to make sure we start a new one
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ClearDragOperation();
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// Create the drag object with the latest class
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DragOperation = NewObject<UViewportDragOperation>( ( UObject* ) GetTransientPackage(), DragOperationSubclass );
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}
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}
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void UViewportDragOperationComponent::ClearDragOperation()
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{
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if (DragOperation)
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{
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DragOperation->MarkAsGarbage();
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}
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DragOperation = nullptr;
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}
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bool UViewportDragOperationComponent::IsDragging() const
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{
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return DragOperation != nullptr;
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}
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PRAGMA_ENABLE_DEPRECATION_WARNINGS
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