SRichTextHyperlink.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "CoreMinimal.h"
#include "SlateGlobals.h"
#include "Input/Reply.h"
#include "Layout/Margin.h"
#include "Styling/SlateTypes.h"
#include "Framework/Text/SlateHyperlinkRun.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "Styling/CoreStyle.h"
#include "Widgets/Input/SHyperlink.h"
 
class FWidgetViewModel;
enum class ETextShapingMethod : uint8;
 
#if WITH_FANCY_TEXT
 
class SRichTextHyperlink : public SHyperlink
{
public:
 
    SLATE_BEGIN_ARGS(SRichTextHyperlink)
        : _Text()
        , _Style(&FCoreStyle::Get().GetWidgetStyle< FHyperlinkStyle >("Hyperlink"))
        , _OnNavigate()
        , _TextShapingMethod()
        , _TextFlowDirection()
    {}
        SLATE_ATTRIBUTE( FText, Text )
        SLATE_STYLE_ARGUMENT( FHyperlinkStyle, Style )
        SLATE_EVENT( FSimpleDelegate, OnNavigate )
        SLATE_ARGUMENT( TOptional<ETextShapingMethod>, TextShapingMethod )
        SLATE_ARGUMENT( TOptional<ETextFlowDirection>, TextFlowDirection )
    SLATE_END_ARGS()
 
public:
 
    void Construct( const FArguments& InArgs, const TSharedRef< FSlateHyperlinkRun::FWidgetViewModel >& InViewModel )
    {
        ViewModel = InViewModel;
 
        SHyperlink::Construct(
            SHyperlink::FArguments()
            .Text( InArgs._Text )
            .Style( InArgs._Style )
            .Padding( FMargin(0))
            .OnNavigate( InArgs._OnNavigate )
            .TextShapingMethod( InArgs._TextShapingMethod )
            .TextFlowDirection( InArgs._TextFlowDirection )
        );
    }
 
    virtual void OnMouseEnter( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) override
    {
        SHyperlink::OnMouseEnter( MyGeometry, MouseEvent );
        ViewModel->SetIsHovered( IsHovered() );
    }
 
    virtual void OnMouseLeave( const FPointerEvent& MouseEvent ) override
    {
        SHyperlink::OnMouseLeave( MouseEvent );
        ViewModel->SetIsHovered( IsHovered() );
    }
 
    virtual FReply OnMouseButtonDown( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) override
    {
        FReply Reply = SHyperlink::OnMouseButtonDown( MyGeometry, MouseEvent );
        ViewModel->SetIsPressed( IsPressed() );
 
        return Reply;
    }
 
    virtual FReply OnMouseButtonUp( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) override
    {
        FReply Reply = SHyperlink::OnMouseButtonUp( MyGeometry, MouseEvent );
        ViewModel->SetIsPressed( IsPressed() );
 
        return Reply;
    }
 
private:
 
    TSharedPtr< FSlateHyperlinkRun::FWidgetViewModel > ViewModel;
};
 
 
#endif //WITH_FANCY_TEXT