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Supports left and right justification and left and right text flows. The ellipsis uses the U+2026 character or 3 dots if the font does not have U+2026. Localizers can override the text used. Unsupported: - Simple, non-shaped text - Non-axis aligned clip rects. - Center justified text #rb jamie.dale #preflight 0f59f9a92cf890001166d15 [CL 16898534 by Matt Kuhlenschmidt in ue5-main branch]
83 lines
3.3 KiB
C++
83 lines
3.3 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 "Widgets/SWidget.h"
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#include "Styling/SlateTypes.h"
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#include "Framework/Text/IRun.h"
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#include "Framework/Text/TextLayout.h"
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#include "Framework/Text/ILayoutBlock.h"
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#include "Framework/Text/ISlateRun.h"
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class FArrangedChildren;
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class FPaintArgs;
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class FSlateWindowElementList;
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enum class ETextHitPoint : uint8;
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class SLATE_API FSlateTextRun : public ISlateRun, public TSharedFromThis< FSlateTextRun >
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{
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public:
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static TSharedRef< FSlateTextRun > Create( const FRunInfo& InRunInfo, const TSharedRef< const FString >& InText, const FTextBlockStyle& Style );
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static TSharedRef< FSlateTextRun > Create( const FRunInfo& InRunInfo, const TSharedRef< const FString >& InText, const FTextBlockStyle& Style, const FTextRange& InRange );
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public:
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virtual ~FSlateTextRun() {}
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virtual FTextRange GetTextRange() const override;
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virtual void SetTextRange( const FTextRange& Value ) override;
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virtual int16 GetBaseLine( float Scale ) const override;
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virtual int16 GetMaxHeight( float Scale ) const override;
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virtual FVector2D Measure( int32 StartIndex, int32 EndIndex, float Scale, const FRunTextContext& TextContext ) const override;
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virtual int8 GetKerning(int32 CurrentIndex, float Scale, const FRunTextContext& TextContext) const override;
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virtual TSharedRef< ILayoutBlock > CreateBlock( int32 StartIndex, int32 EndIndex, FVector2D Size, const FLayoutBlockTextContext& TextContext, const TSharedPtr< IRunRenderer >& Renderer ) override;
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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;
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virtual const TArray< TSharedRef<SWidget> >& GetChildren() override;
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virtual void ArrangeChildren( const TSharedRef< ILayoutBlock >& Block, const FGeometry& AllottedGeometry, FArrangedChildren& ArrangedChildren ) const override;
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virtual void BeginLayout() override {}
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virtual void EndLayout() override {}
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virtual int32 GetTextIndexAt( const TSharedRef< ILayoutBlock >& Block, const FVector2D& Location, float Scale, ETextHitPoint* const OutHitPoint = nullptr ) const override;
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virtual FVector2D GetLocationAt(const TSharedRef< ILayoutBlock >& Block, int32 Offset, float Scale) const override;
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virtual void Move(const TSharedRef<FString>& NewText, const FTextRange& NewRange) override;
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virtual TSharedRef<IRun> Clone() const override;
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virtual void AppendTextTo(FString& Text) const override;
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virtual void AppendTextTo(FString& AppendToText, const FTextRange& PartialRange) const override;
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virtual const FRunInfo& GetRunInfo() const override;
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virtual ERunAttributes GetRunAttributes() const override;
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void ApplyFontSizeMultiplierOnTextStyle(float FontSizeMultiplier);
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protected:
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FSlateTextRun( const FRunInfo& InRunInfo, const TSharedRef< const FString >& InText, const FTextBlockStyle& InStyle );
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FSlateTextRun( const FRunInfo& InRunInfo, const TSharedRef< const FString >& InText, const FTextBlockStyle& InStyle, const FTextRange& InRange );
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FSlateTextRun( const FSlateTextRun& Run );
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protected:
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FRunInfo RunInfo;
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TSharedRef< const FString > Text;
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FTextBlockStyle Style;
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FTextRange Range;
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#if TEXT_LAYOUT_DEBUG
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FString DebugSlice;
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#endif
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};
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