SFxWidget.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Misc/Attribute.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "Widgets/SCompoundWidget.h"
 
class FArrangedChildren;
class FPaintArgs;
class FSlateWindowElementList;
 
class SFxWidget : public SCompoundWidget
{
public:
    SLATE_BEGIN_ARGS( SFxWidget )
        : _RenderScale( 1.0f )
        , _RenderScaleOrigin( FVector2D::ZeroVector )
        , _LayoutScale( 1.0f )
        , _VisualOffset( FVector2D::ZeroVector )
        , _IgnoreClipping( true )
        , _ColorAndOpacity( FLinearColor::White )
        , _HAlign( HAlign_Center )
        , _VAlign( VAlign_Center )
        , _Content()
    {}
 
        SLATE_ATTRIBUTE( float, RenderScale )
 
        
        SLATE_ATTRIBUTE( FVector2D, RenderScaleOrigin )
 
        
        SLATE_ATTRIBUTE( float, LayoutScale )
 
        
        SLATE_ATTRIBUTE( FVector2D, VisualOffset )
 
        
        SLATE_ATTRIBUTE( bool, IgnoreClipping )
 
        
        SLATE_ATTRIBUTE( FLinearColor, ColorAndOpacity )
 
        
        SLATE_ARGUMENT( EHorizontalAlignment, HAlign )
 
        
        SLATE_ARGUMENT( EVerticalAlignment, VAlign )
 
        
        SLATE_DEFAULT_SLOT( FArguments, Content )
 
    SLATE_END_ARGS()
 
    SLATE_API SFxWidget();
 
    SLATE_API void Construct( const FArguments& InArgs );
 
    SLATE_API void SetVisualOffset( TAttribute<FVector2D> InOffset );
 
    SLATE_API void SetVisualOffset( FVector InOffset );
 
    SLATE_API void SetRenderScale( TAttribute<float> InScale );
 
    SLATE_API void SetRenderScale( float InScale );
 
    
 
protected:
    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;
    SLATE_API virtual FVector2D ComputeDesiredSize(float) const override;
    SLATE_API virtual void OnArrangeChildren( const FGeometry& AllottedGeometry, FArrangedChildren& ArrangedChildren ) const override;
 
    TSlateAttribute<float, EInvalidateWidgetReason::Paint> RenderScale;
    TSlateAttribute<FVector2D, EInvalidateWidgetReason::Paint> RenderScaleOrigin;
    TSlateAttribute<float, EInvalidateWidgetReason::Layout> LayoutScale;
    TSlateAttribute<FVector2D, EInvalidateWidgetReason::Paint> VisualOffset;
    TSlateAttribute<bool, EInvalidateWidgetReason::Paint> bIgnoreClipping;
};