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5f3f433198
Shifted a lot of pin adding functionality from Blueprint Details customizion to the nodes themselves or BlueprintEditorUtils. #jira UE-11334 - Dragging a pin to a node that can add pins (function entry/exit, custom events...) should add a pin of the type to the node. [CL 2497224 by Michael Schoell in Main branch]
48 lines
1.9 KiB
C++
48 lines
1.9 KiB
C++
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "DragAndDrop.h"
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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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static TSharedRef<FDragConnection> New(const TSharedRef<SGraphPanel>& InGraphPanel, const TArray< TSharedRef<SGraphPin> >& InStartingPins, bool bInShiftOperation);
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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 OnDragBegin(const TSharedRef<class SGraphPin>& InPin) 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>& InGraphPanel, const TArray< TSharedRef<SGraphPin> >& InStartingPins, bool bInShiftOperation);
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protected:
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TSharedPtr<SGraphPanel> GraphPanel;
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TArray< TSharedRef<SGraphPin> > StartingPins;
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/** Offset information for the decorator widget */
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FVector2D DecoratorAdjust;
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/** Was shift pressed when the drag started? */
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bool bShiftOperation;
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};
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