TGUI Forum Bug Example

include <TGUI/TGUI.hpp>

void receiveMessage(tgui::ChatBox::Ptr chatBox, sf::Clock& clock)
{
    while (true)
    {
        std::size_t number = 0;
        while (clock.getElapsedTime().asMilliseconds() >= 100)
        {
            clock.restart();
            chatBox->addLine(std::to_string(number++));
        }
    }
}

int main()
{
    sf::RenderWindow window({ 400, 400 }, "TGUI Forum Bug Example");
    tgui::Gui gui(window);

    tgui::ChatBox::Ptr chatBox = std::make_shared<tgui::ChatBox>();
    chatBox->setTextSize(18);
    chatBox->setSize(400, 400);
    gui.add(chatBox);

    sf::Clock clock;
    sf::Thread thread(std::bind(&receiveMessage, chatBox, std::ref(clock)));
    thread.launch();

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

        window.clear();
        gui.draw();
        window.display();
    }
}