Method run

examples/event_handling/EventHandling.cpp:119–320

///////////////////////////////////////////////////////

    ////////////////////////////////////////////////////////////
    void run()
    {
        // This example is for demonstration purposes only
        // All the following forms of event handling have equivalent behavior
        // In your own code you should decide which form of event handling
        // suits your needs best and use a single form of event handling
        while (m_window.isOpen())
        {
            if (m_handlerType == HandlerType::Classic)
            {
                // The "classical form" of event handling
                // Poll/Wait for events in a loop and handle them
                // individually based on their concrete type
                while (const std::optional event = m_window.pollEvent())
                {
                    if (event->is<sf::Event::Closed>())
                    {
                        m_window.close();
                        break;
                    }

                    if (const auto* keyPress = event->getIf<sf::Event::KeyPressed>())
                    {
                        m_log.emplace_back(
                            "Key Pressed: " + sf::Keyboard::getDescription(keyPress->scancode).toAnsiString());

                        // When the enter key is pressed, switch to the next handler type
                        if (keyPress->code == sf::Keyboard::Key::Enter)
                        {
                            m_handlerType = HandlerType::Visitor;
                            m_handlerText.setString("Current Handler: Visitor");
                        }
                    }
                    else if (const auto* keyRelease = event->getIf<sf::Event::KeyReleased>())
                    {
                        m_log.emplace_back(
                            "Key Released: " + sf::Keyboard::getDescription(keyRelease->scancode).toAnsiString());
                    }
                    else if (const auto* mouseMoved = event->getIf<sf::Event::MouseMoved>())
                    {
                        m_log.emplace_back("Mouse Moved: " + vec2ToString(mouseMoved->position));
                    }
                    else if (event->is<sf::Event::MouseButtonPressed>())
                    {
                        m_log.emplace_back("Mouse Pressed");
                    }
                    else if (const auto* touchBegan = event->getIf<sf::Event::TouchBegan>())
                    {
                        m_log.emplace_back("Touch Began: " + vec2ToString(touchBegan->position));
                    }
                    else if (const auto* touchEnded = event->getIf<sf::Event::TouchEnded>())
                    {
                        m_log.emplace_back("Touch Ended: " + vec2ToString(touchEnded->position));
                    }
                    else if (const auto* touchMoved = event->getIf<sf::Event::TouchMoved>())
                    {
                        m_log.emplace_back("Touch Moved: " + vec2ToString(touchMoved->position));
                    }