Server Row Selection In C++

UMainMenu.h

public:

  FORCEINLINE class USessionEntryWidget* GetCurrentSelectedSessionEntry() const
	{
		return CurrentSelectedEntry;
	}
	
	void SetCurrentSelectedSessionEntry(USessionEntryWidget* InEntry);

private:

	UPROPERTY()
	class USessionEntryWidget* CurrentSelectedEntry = nullptr;

USessionEntryWidget.cpp

FReply USessionEntryWidget::NativeOnMouseButtonDown(const FGeometry& InGeometry, const FPointerEvent& InMouseEvent)
{
  //Cache the return value of the super.
	FReply Reply = Super::NativeOnMouseButtonDown(InGeometry, InMouseEvent);
	
	if(OwningMenu != nullptr && SelectedImage != nullptr && DefaultImage != nullptr && OwningMenu->GetCurrentSelectedSessionEntry() != this)
	{
		//if we have an entry already selected clear that selection and set our new selection.
		if(OwningMenu->GetCurrentSelectedSessionEntry() != nullptr)
		{
			OwningMenu->GetCurrentSelectedSessionEntry()->Image->SetBrushFromTexture(DefaultImage);
			OwningMenu->SetCurrentSelectedSessionEntry(this);
			this->Image->SetBrushFromTexture(SelectedImage);
		}
    //else if no previous selection.
		else
		{
			OwningMenu->SetCurrentSelectedSessionEntry(this);
			this->Image->SetBrushFromTexture(SelectedImage);
		}
		
	}

	return Reply;
}

void USessionEntryWidget::NativeOnMouseEnter(const FGeometry& InGeometry, const FPointerEvent& InMouseEvent)
{
	Super::NativeOnMouseEnter(InGeometry, InMouseEvent);
	
  //if the the entry is not selected and we have a hover image set it.
	if(OwningMenu->GetCurrentSelectedSessionEntry() != this && HoveredImage != nullptr)
	{
		Image->SetBrushFromTexture(HoveredImage);
	}
	
}

void USessionEntryWidget::NativeOnMouseLeave(const FPointerEvent& InMouseEvent)
{
	Super::NativeOnMouseLeave(InMouseEvent);
	
  //if the the entry is not selected and we have a DefaultImage set it.
	if(OwningMenu->GetCurrentSelectedSessionEntry() != this && DefaultImage != nullptr)
	{
		Image->SetBrushFromTexture(DefaultImage);
	}
}

USessionEntryWidget.h

  //COMPONENTS
	UPROPERTY(BlueprintReadOnly, meta = (BindWidget))
	class UTextBlock* SessionNameText = nullptr;

  //The Image that you want to update the brush of.
	UPROPERTY(BlueprintReadOnly, meta = (BindWidget))
	class UBorder* Image = nullptr;

	//OVERRIDES
	virtual bool Initialize() override;
	virtual void NativeConstruct() override;
	virtual void NativeDestruct() override;

  //Override these functions to handle mouse events
	virtual FReply NativeOnMouseButtonDown(const FGeometry& InGeometry, const FPointerEvent& InMouseEvent) override;
	virtual void NativeOnMouseEnter(const FGeometry& InGeometry, const FPointerEvent& InMouseEvent) override;
	virtual void NativeOnMouseLeave(const FPointerEvent& InMouseEvent) override;	


private:
  
  //The Textures you want for each of your entry states.
  
  UPROPERTY(EditDefaultsOnly)
	class UTexture2D* DefaultImage = nullptr;
	
	UPROPERTY(EditDefaultsOnly)
	class UTexture2D* SelectedImage = nullptr;

	UPROPERTY(EditDefaultsOnly)
	class UTexture2D* HoveredImage = nullptr;