Czy trzymać sf::RectangleShape w pamięci oraz inteligentne wskaźniki

class ColoredButtonWithText
    : public Button
{
public:
   
    std::wstring _textStr;
    std::unique_ptr < sf::Text > _text;
    sf::Color _selectColor;
    sf::Color _idleColor;
    sf::Color _hoverColor;
    sf::Color _pressColor;
   
    ButtonState _state;
    std::function < void() > _hover_func;
    std::function < void() > _onclick_func;
    sf::Time _clickTime;
   
   
    ColoredButtonWithText( std::wstring text, sf::Vector2f size, sf::Vector2f position = sf::Vector2f( 0, 0 ) );
    ~ColoredButtonWithText();
};

ColoredButtonWithText::ColoredButtonWithText( std::wstring text, sf::Vector2f size, sf::Vector2f position )
    : Button()
{
    _textStr = text;
   
    _idleColor = dark_and_red_button_normal_color;
    _hoverColor = dark_and_red_button_hover_color;
    _pressColor = dark_and_red_button_press_color;
    _selectColor = dark_and_red_button_select_color;
   
    _rect = sf::IntRect( sf::Vector2i( 0, 0 ), sf::Vector2i( size ) );
   
    // zbędne
    // _text = nullptr;
   
    setPosition( position );
   
    _state = ButtonState::Idle;
   
    _hover_func = { };
    _onclick_func = { };
    _clickTime = currentTime;
   
}

ColoredButtonWithText::~ColoredButtonWithText() {
   
}

if( !_text ) {
    _text = std::make_unique < sf::Text >( basicFont, _textStr, 13 );
    _text->setFillColor( dark_and_red_button_text_color );
}