67 lines
1.6 KiB
C++
67 lines
1.6 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 "Misc/Attribute.h"
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#include "Layout/Visibility.h"
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#include "Widgets/DeclarativeSyntaxSupport.h"
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#include "Widgets/SLeafWidget.h"
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class FPaintArgs;
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class FSlateWindowElementList;
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class SSpacer : public SLeafWidget
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{
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SLATE_DECLARE_WIDGET_API(SSpacer, SLeafWidget, SLATE_API)
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public:
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SLATE_BEGIN_ARGS( SSpacer )
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: _Size(FVector2D::ZeroVector)
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{
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_Visibility = EVisibility::SelfHitTestInvisible;
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}
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SLATE_ATTRIBUTE( FVector2D, Size )
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SLATE_END_ARGS()
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SLATE_API SSpacer();
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/**
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* Construct this widget
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*
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* @param InArgs The declaration data for this widget
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*/
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SLATE_API void Construct( const FArguments& InArgs );
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// SWidget interface
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SLATE_API virtual int32 OnPaint( const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled ) const override;
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// End of SWidget interface
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FVector2D GetSize() const
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{
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if (bIsSpacerSizeBound)
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{
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SSpacer& MutableSelf = const_cast<SSpacer&>(*this);
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MutableSelf.SpacerSize.UpdateNow(MutableSelf);
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}
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return SpacerSize.Get();
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}
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void SetSize( TAttribute<FVector2D> InSpacerSize )
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{
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bIsSpacerSizeBound = InSpacerSize.IsBound();
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SpacerSize.Assign(*this, InSpacerSize);
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}
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protected:
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//~ Begin SWidget overrides.
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SLATE_API virtual FVector2D ComputeDesiredSize(float) const override;
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//~ End SWidget overrides.
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private:
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TSlateAttribute<FVector2D> SpacerSize;
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bool bIsSpacerSizeBound;
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};
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