SScissorRectBox.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Layout/Visibility.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "Widgets/SWidget.h"
#include "Layout/Children.h"
#include "Widgets/SPanel.h"
 
class FArrangedChildren;
class FPaintArgs;
class FSlateWindowElementList;
 
class SScissorRectBox : public SPanel
{
 
public:
    using FScissorRectSlot = FSingleWidgetChildrenWithSlot;
 
    SLATE_BEGIN_ARGS(SScissorRectBox)
    {
        _Visibility = EVisibility::SelfHitTestInvisible;
        _Clipping = EWidgetClipping::ClipToBounds;
    }
        SLATE_DEFAULT_SLOT(FArguments, Content)
    SLATE_END_ARGS()
    
    SLATE_API SScissorRectBox();
    
    SLATE_API void Construct( const FArguments& InArgs );
 
    SLATE_API void SetContent(const TSharedRef< SWidget >& InContent);
 
private:
    SLATE_API virtual FVector2D ComputeDesiredSize(float) const override;
    SLATE_API virtual void OnArrangeChildren( const FGeometry& AllottedGeometry, FArrangedChildren& ArrangedChildren ) const override;
    SLATE_API virtual FChildren* GetChildren() override;
    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;
 
    FScissorRectSlot ChildSlot;
};