SScrollBorder.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Misc/Attribute.h"
#include "Styling/SlateColor.h"
#include "Styling/SlateWidgetStyleAsset.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "Widgets/SCompoundWidget.h"
#include "Styling/SlateTypes.h"
#include "Styling/CoreStyle.h"
 
class IScrollableWidget;
 
class SScrollBorder : public SCompoundWidget
{
public:
    SLATE_BEGIN_ARGS(SScrollBorder)
        : _Style( &FCoreStyle::Get().GetWidgetStyle<FScrollBorderStyle>("ScrollBorder") )
        , _BorderFadeDistance( FVector2D(0.01f, 0.01f) )
        {}
 
        SLATE_STYLE_ARGUMENT( FScrollBorderStyle, Style )
 
        
        SLATE_ATTRIBUTE( FVector2D, BorderFadeDistance )
 
        
        SLATE_DEFAULT_SLOT( FArguments, Content )
    SLATE_END_ARGS()
 
    SLATE_API virtual ~SScrollBorder();
 
    SLATE_API void Construct(const FArguments& InArgs, TSharedRef<IScrollableWidget> InScrollableWidget);
    
protected:
 
    SLATE_API FSlateColor GetTopBorderOpacity() const;
 
    SLATE_API FSlateColor GetBottomBorderOpacity() const;
 
    TAttribute<FVector2D> BorderFadeDistance;
 
    TAttribute< TWeakPtr< IScrollableWidget > > ScrollableWidget;
};