Function main

examples/joystick/Joystick.cpp:179–308

/////////////////////////////////////////////////////// Entry point of application \return Application exit code ///////////////////////////////////////////////////////

///
////////////////////////////////////////////////////////////
int main()
{
    // Create the window of the application
    sf::RenderWindow window(sf::VideoMode({400, 775}), "Joystick", sf::Style::Close);
    window.setVerticalSyncEnabled(true);

    // Open the text font
    const sf::Font font("resources/tuffy.ttf");

    float          threshold = 0.1f;
    JoystickObject thresholdDisplay{{font, "Threshold:"}, {font, ""}};
    thresholdDisplay.label.setPosition({5.f, 5.f});
    thresholdDisplay.value.setPosition({80.f, 5.f});
    thresholdDisplay.label.setCharacterSize(14);
    thresholdDisplay.value.setCharacterSize(14);

    // Update initially displayed joystick values if a joystick is already connected on startup
    unsigned int joysticksPresent = 0;
    for (unsigned int i = 0; i < sf::Joystick::Count; ++i)
    {
        joysticks[i] = JoystickDisplay{i, font};
        joysticks[i].updateValues();
        if (joysticks[i].isPresent())
            ++joysticksPresent;
    }
    window.setSize({400 * std::max(joysticksPresent, 1u), 775});

    while (window.isOpen())
    {
        // Handle events
        while (const std::optional event = window.pollEvent())
        {
            // Window closed or escape key pressed: exit
            if (event->is<sf::Event::Closed>() ||
                (event->is<sf::Event::KeyPressed>() &&
                 event->getIf<sf::Event::KeyPressed>()->code == sf::Keyboard::Key::Escape))
            {
                window.close();
                break;
            }
            if (const auto* resized = event->getIf<sf::Event::Resized>())
            {
                window.setView(sf::View(sf::FloatRect({}, sf::Vector2f(resized->size))));
            }
            else if (const auto* joystickButtonPressed = event->getIf<sf::Event::JoystickButtonPressed>())
            {
                joysticks[joystickButtonPressed->joystickId].updateValues();
            }
            else if (const auto* joystickButtonReleased = event->getIf<sf::Event::JoystickButtonReleased>())
            {
                joysticks[joystickButtonReleased->joystickId].updateValues();
            }
            else if (const auto* joystickMoved = event->getIf<sf::Event::JoystickMoved>())
            {
                joysticks[joystickMoved->joystickId].updateValues();
            }
            else if (const auto* joystickConnected = event->getIf<sf::Event::JoystickConnected>())
            {