RichTextBox.h

// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "Runtime/UMG/Public/UMG.h"
#include "Runtime/UMG/Public/UMGStyle.h"
#include "Runtime/UMG/Public/Components/RichTextBlockDecorator.h"
#include "Components/Widget.h"
#include "RichTextBox.generated.h"

/* Replace the project API with yours! */
UCLASS()
class MYPROJECT_API URichTextBox : public UWidget
{
    GENERATED_BODY()

public:
    URichTextBox(const FObjectInitializer& ObjectInitializer);

    // UWidget interface
    virtual void SynchronizeProperties() override;
    // End of UWidget interface

    // UVisual interface
    virtual void ReleaseSlateResources(bool bReleaseChildren) override;
    // End of UVisual interface

    // Sets the text of this Rich Text
    UFUNCTION(BlueprintCallable, Category = "Rich Text")
        void SetText(FText InText);

    UFUNCTION(BlueprintPure, Category = "Rich Text")
        FText GetText();

#if WITH_EDITOR
    // UWidget interface
    //virtual const FSlateBrush* GetEditorIcon() override;
    virtual const FText GetPaletteCategory() override;
    // End UWidget interface
#endif

protected:
    /** The text to display */
    UPROPERTY(EditAnywhere, Category = Content, meta = (MultiLine = "true"))
        FText Text;

    /** A bindable delegate to allow logic to drive the text of the widget */
    UPROPERTY()
        FGetText TextDelegate;

    /** The default color for the text. */
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = Appearance)
        FLinearColor ColorAndOpacity;

    /** The default font for the text. */
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = Appearance)
        FSlateFontInfo Font;

    /** The direction the shadow is cast */
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = Appearance)
        FVector2D ShadowOffset;

    /** The color of the shadow */
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = Appearance, meta = (DisplayName = "Shadow Color"))
        FLinearColor ShadowColorAndOpacity;


    /** How the text should be aligned with the margin. */
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = Appearance)
        TEnumAsByte<ETextJustify::Type> Justification;

    /** True if we're wrapping text automatically based on the computed horizontal space for this widget */
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = Appearance)
        bool AutoWrapText;

    /** Whether text wraps onto a new line when it's length exceeds this width; if this value is zero or negative, no wrapping occurs. */
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = Appearance, AdvancedDisplay)
        float WrapTextAt;

    /** The amount of blank space left around the edges of text area. */
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = Appearance, AdvancedDisplay)
        FMargin Margin;

    /** The amount to scale each lines height by. */
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = Appearance, AdvancedDisplay)
        float LineHeightPercentage;

    UPROPERTY(EditAnywhere, Instanced, Category = Decorators)
        TArray<class URichTextBlockDecorator*> Decorators;

protected:
    FTextBlockStyle DefaultStyle;

    /** Native Slate Widget */
    TSharedPtr<SRichTextBlock> MyRichTextBlock;

    // UWidget interface
    virtual TSharedRef<SWidget> RebuildWidget() override;
    // End of UWidget interface

};