83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Math/Vector2D.h"
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#include "SGraphNodeDefault.h"
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#include "SGraphPin.h"
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#include "Templates/SharedPointer.h"
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#include "Types/SlateEnums.h"
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#include "Widgets/DeclarativeSyntaxSupport.h"
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#define UE_API GRAPHEDITOR_API
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class FText;
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class SCommentBubble;
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class SGraphPin;
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class UEdGraphPin;
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struct FSlateBrush;
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/** The visual representation of a control point meant to adjust how connections are routed, also known as a Reroute node.
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* The input knot node should have properly implemented ShouldDrawNodeAsControlPointOnly to return true with valid indices for its pins.
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*/
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class SGraphNodeKnot : public SGraphNodeDefault
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{
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public:
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SLATE_BEGIN_ARGS(SGraphNodeKnot) {}
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SLATE_END_ARGS()
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UE_API void Construct(const FArguments& InArgs, class UEdGraphNode* InKnot);
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// SGraphNode interface
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UE_API virtual void UpdateGraphNode() override;
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UE_API virtual const FSlateBrush* GetShadowBrush(bool bSelected) const override;
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UE_API virtual TSharedPtr<SGraphPin> CreatePinWidget(UEdGraphPin* Pin) const override;
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UE_API virtual void AddPin(const TSharedRef<SGraphPin>& PinToAdd) override;
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virtual void RequestRenameOnSpawn() override { }
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// End of SGraphNode interface
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protected:
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/** Returns Offset to center comment on the node's only pin */
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UE_API FVector2f GetCommentOffset() const;
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protected:
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/** Toggles the hovered visibility state */
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UE_API virtual void OnCommentBubbleToggled(bool bInCommentBubbleVisible) override;
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/** If bHoveredCommentVisibility is true, hides the comment bubble after a change is committed */
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UE_API virtual void OnCommentTextCommitted(const FText& NewComment, ETextCommit::Type CommitInfo) override;
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/** The hovered visibility state. If false, comment bubble will only appear on hover. */
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bool bAlwaysShowCommentBubble;
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/** SharedPtr to comment bubble */
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TSharedPtr<SCommentBubble> CommentBubble;
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const FSlateBrush* ShadowBrush;
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const FSlateBrush* ShadowBrushSelected;
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};
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class SGraphPinKnot : public SGraphPin
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{
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public:
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SLATE_BEGIN_ARGS(SGraphPinKnot) {}
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SLATE_END_ARGS()
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UE_API void Construct(const FArguments& InArgs, UEdGraphPin* InPin);
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// SWidget interface
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UE_API virtual void OnDragEnter(const FGeometry& MyGeometry, const FDragDropEvent& DragDropEvent) override;
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// End of SWidget interface
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protected:
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// Begin SGraphPin interface
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UE_API virtual TSharedRef<SWidget> GetDefaultValueWidget() override;
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UE_API virtual TSharedRef<FDragDropOperation> SpawnPinDragEvent(const TSharedRef<SGraphPanel>& InGraphPanel, const TArray< TSharedRef<SGraphPin> >& InStartingPins) override;
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UE_API virtual FReply OnPinMouseDown(const FGeometry& SenderGeometry, const FPointerEvent& MouseEvent) override;
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UE_API virtual FSlateColor GetPinColor() const override;
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// End SGraphPin interface
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};
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#undef UE_API
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