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

int main()
{
    sf::RenderWindow window(sf::VideoMode(400, 200), "Simple Form");

    sf::Font font;
    font.loadFromFile("arial.ttf");

    sf::Text inputText;
    inputText.setFont(font);
    inputText.setCharacterSize(24);
    inputText.setFillColor(sf::Color::Black);
    inputText.setPosition(50, 50);

    sf::Text outputText;
    outputText.setFont(font);
    outputText.setCharacterSize(24);
    outputText.setFillColor(sf::Color::Black);
    outputText.setPosition(50, 100);

    sf::RectangleShape button(sf::Vector2f(100, 50));
    button.setFillColor(sf::Color::Green);
    button.setPosition(250, 50);

    std::string inputString;

    while (window.isOpen())
    {
        sf::Event event;
        while (window.pollEvent(event))
        {
            if (event.type == sf::Event::Closed)
                window.close();

            if (event.type == sf::Event::TextEntered)
            {
                if (event.text.unicode < 128)
                {
                    inputString += static_cast<char>(event.text.unicode);
                    inputText.setString(inputString);
                }
            }

            if (event.type == sf::Event::MouseButtonPressed)
            {
                sf::Vector2i mousePos = sf::Mouse::getPosition(window);
                if (button.getGlobalBounds().contains(mousePos.x, mousePos.y))
                {
                    outputText.setString("Input: " + inputString);
                }
            }
        }

        window.clear(sf::Color::White);
        window.draw(inputText);
        window.draw(button);
        window.draw(outputText);
        window.display();
    }

    return 0;
}