_______________________________________________________________________________________________________________________________________
Original code in main
_______________________________________________________________________________________________________________________________________
            if (rectRect.contains(static_cast<sf::Vector2f>(sf::Mouse::getPosition(window))))
            {
                if (sf::Mouse::isButtonPressed(sf::Mouse::Left))
                {
                    rectangle.setFillColor(sf::Color::Green);
                    std::cout << "mouse click" ;
                }
                else
                {
                    rectangle.setFillColor(sf::Color::White);
                }

                rectangle.setOutlineColor(sf::Color::Blue);
                std::cout << "mouse over";

            }
            else
            {
                rectangle.setOutlineColor(sf::Color::Red);
            }

_______________________________________________________________________________________________________________________________________
Button.hpp
_______________________________________________________________________________________________________________________________________
#pragma once
#ifndef BUTTON_HPP
#define BUTTON_HPP

#include <SFML\Graphics.hpp>
#include <iostream>

class Button : public sf::Drawable
{

public:

    Button();
    Button(sf::Texture&,float,float,float,float);
    ~Button();

    bool mouseOver;
    bool leftclick;
    void Update(sf::Window&);

    sf::Sprite getSprite() const;

private:

    virtual void draw(sf::RenderTarget& window, sf::RenderStates state) const
    {
        window.draw(_button, state);
    }


    sf::Sprite _button;
    sf::FloatRect buttonRect = _button.getGlobalBounds();
    sf::Vector2i mpos;

};

#endif // BUTTON_HPP
_______________________________________________________________________________________________________________________________________
Button.cpp
_______________________________________________________________________________________________________________________________________
#include "button.hpp"

Button::Button()
{

}

Button::Button(sf::Texture& TEMP_Texture, float posx, float posy, float sizex, float sizey)
{
    _button.setTexture(TEMP_Texture);
    _button.setPosition(posx,posy);
    _button.setScale(sizex,sizey);

    _button.setTextureRect(sf::IntRect(0,0, 32, 16));
}
Button::~Button()
{

}

sf::Sprite Button::getSprite() const
{
    return _button;
}

void Button::Update(sf::Window& window)
{


    mpos = sf::Mouse::getPosition(window);

    if (buttonRect.contains(static_cast<sf::Vector2f>(mpos)))
    {

        if (sf::Mouse::isButtonPressed(sf::Mouse::Left))
        {
            _button.setTextureRect(sf::IntRect(32, 0, 64, 16));
            leftclick = true;
            std::cout << "Mouse: Left Click";
        }
        else
        {
            _button.setTextureRect(sf::IntRect(0, 0, 32, 16));
            leftclick = false;
        }

        _button.setTextureRect(sf::IntRect(64, 0, 96, 16));

        mouseOver = true;
        std::cout << "Mouse: over";

    }
    else
    {
        mouseOver = false;
    }
}