Files
UnrealEngine/Engine/Source/Editor/GraphEditor/Public/NodeFactory.h
2025-05-18 13:04:45 +08:00

48 lines
1.7 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "CoreMinimal.h"
#include "HAL/Platform.h"
#include "Templates/SharedPointer.h"
class FConnectionDrawingPolicy;
class FSlateRect;
class FSlateWindowElementList;
class SGraphNode;
class SGraphPin;
class UEdGraph;
class UEdGraphNode;
class UEdGraphPin;
class UEdGraphSchema;
/** Class that decides which widget type to create for a given data object */
class GRAPHEDITOR_API FNodeFactory
{
public:
/** Create a widget for the supplied node */
static TSharedPtr<SGraphNode> CreateNodeWidget(UEdGraphNode* InNode);
/** Create a widget for the supplied pin */
static TSharedPtr<SGraphPin> CreatePinWidget(UEdGraphPin* InPin);
/** Create a K2 schema default widget for the supplied pin */
static TSharedPtr<SGraphPin> CreateK2PinWidget(UEdGraphPin* InPin);
/** Create a pin connection factory for the supplied schema */
static FConnectionDrawingPolicy* CreateConnectionPolicy(const UEdGraphSchema* Schema, int32 InBackLayerID, int32 InFrontLayerID, float ZoomFactor, const FSlateRect& InClippingRect, FSlateWindowElementList& InDrawElements, UEdGraph* InGraphObj);
};
class GRAPHEDITOR_API FGraphNodeFactory
{
public:
/** Create a widget for the supplied node */
virtual TSharedPtr<SGraphNode> CreateNodeWidget(UEdGraphNode* InNode);
/** Create a widget for the supplied pin */
virtual TSharedPtr<SGraphPin> CreatePinWidget(UEdGraphPin* InPin);
/** Create a pin connection factory for the supplied schema */
virtual FConnectionDrawingPolicy* CreateConnectionPolicy(const UEdGraphSchema* Schema, int32 InBackLayerID, int32 InFrontLayerID, float ZoomFactor, const FSlateRect& InClippingRect, FSlateWindowElementList& InDrawElements, UEdGraph* InGraphObj);
};