SlatePasswordRun.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "CoreMinimal.h"
#include "Framework/Text/IRun.h"
#include "Framework/Text/TextLayout.h"
#include "Framework/Text/ILayoutBlock.h"
#include "Framework/Text/SlateTextRun.h"
 
class FPaintArgs;
class FSlateWindowElementList;
enum class ETextHitPoint : uint8;
 
class FSlatePasswordRun : public FSlateTextRun
{
public:
 
    static SLATE_API TSharedRef< FSlatePasswordRun > Create( const FRunInfo& InRunInfo, const TSharedRef< const FString >& InText, const FTextBlockStyle& Style );
 
    static SLATE_API TSharedRef< FSlatePasswordRun > Create( const FRunInfo& InRunInfo, const TSharedRef< const FString >& InText, const FTextBlockStyle& Style, const FTextRange& InRange );
 
public:
 
    virtual ~FSlatePasswordRun() {}
 
    SLATE_API virtual FVector2D Measure( int32 StartIndex, int32 EndIndex, float Scale, const FRunTextContext& TextContext ) const override;
    SLATE_API virtual int8 GetKerning(int32 CurrentIndex, float Scale, const FRunTextContext& TextContext) const override;
 
    SLATE_API virtual int32 OnPaint(const FPaintArgs& PaintArgs, const FTextArgs& TextArgs, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled) const override;
 
    SLATE_API virtual int32 GetTextIndexAt( const TSharedRef< ILayoutBlock >& Block, const FVector2D& Location, float Scale, ETextHitPoint* const OutHitPoint = nullptr ) const override;
 
    SLATE_API virtual FVector2D GetLocationAt(const TSharedRef< ILayoutBlock >& Block, int32 Offset, float Scale) const override;
 
    SLATE_API virtual TSharedRef<IRun> Clone() const override;
 
protected:
 
    SLATE_API FSlatePasswordRun( const FRunInfo& InRunInfo, const TSharedRef< const FString >& InText, const FTextBlockStyle& InStyle );
 
    SLATE_API FSlatePasswordRun( const FRunInfo& InRunInfo, const TSharedRef< const FString >& InText, const FTextBlockStyle& InStyle, const FTextRange& InRange );
 
    SLATE_API FSlatePasswordRun( const FSlatePasswordRun& Run );
 
    static SLATE_API TCHAR GetPasswordChar();
    static SLATE_API FString BuildPasswordString(const int32 InLength);
};