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#jira #preflight 6306736ac85b7fef22be7751 [CL 21558583 by bryan sefcik in ue5-main branch]
58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Containers/Array.h"
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#include "Containers/UnrealString.h"
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#include "GraphEditorDragDropAction.h"
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#include "Input/DragAndDrop.h"
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#include "Input/Reply.h"
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#include "Math/Vector2D.h"
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#include "SGraphPin.h"
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#include "Templates/SharedPointer.h"
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class SGraphPanel;
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class SWidget;
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class UEdGraph;
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class UEdGraphPin;
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struct FPointerEvent;
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class FDragConnection : public FGraphEditorDragDropAction
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{
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public:
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DRAG_DROP_OPERATOR_TYPE(FDragConnection, FGraphEditorDragDropAction)
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typedef TArray<FGraphPinHandle> FDraggedPinTable;
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static TSharedRef<FDragConnection> New(const TSharedRef<SGraphPanel>& InGraphPanel, const FDraggedPinTable& InStartingPins);
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// FDragDropOperation interface
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virtual void OnDrop( bool bDropWasHandled, const FPointerEvent& MouseEvent ) override;
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// End of FDragDropOperation interface
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// FGraphEditorDragDropAction interface
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virtual void HoverTargetChanged() override;
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virtual FReply DroppedOnPin(FVector2D ScreenPosition, FVector2D GraphPosition) override;
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virtual FReply DroppedOnNode(FVector2D ScreenPosition, FVector2D GraphPosition) override;
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virtual FReply DroppedOnPanel(const TSharedRef< SWidget >& Panel, FVector2D ScreenPosition, FVector2D GraphPosition, UEdGraph& Graph) override;
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virtual void OnDragged(const class FDragDropEvent& DragDropEvent) override;
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// End of FGraphEditorDragDropAction interface
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/*
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* Function to check validity of graph pins in the StartPins list. This check helps to prevent processing graph pins which are outdated.
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*/
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virtual void ValidateGraphPinList(TArray<UEdGraphPin*>& OutValidPins);
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protected:
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typedef FGraphEditorDragDropAction Super;
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// Constructor: Make sure to call Construct() after factorying one of these
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FDragConnection(const TSharedRef<SGraphPanel>& GraphPanel, const FDraggedPinTable& DraggedPins);
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protected:
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TSharedPtr<SGraphPanel> GraphPanel;
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FDraggedPinTable DraggingPins;
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/** Offset information for the decorator widget */
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FVector2D DecoratorAdjust;
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};
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