RenderWindow.hpp

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#ifndef ECSTASY_INTEGRATIONS_SFML_RESOURCES_RENDERWINDOW_HPP_
#define ECSTASY_INTEGRATIONS_SFML_RESOURCES_RENDERWINDOW_HPP_
 
#include <SFML/Graphics/RenderWindow.hpp>
#include <functional>
 
#include "ecstasy/resources/ObjectWrapper.hpp"
 
namespace ecstasy::integration::sfml
{
 
    using EventListener = std::function<bool(const sf::Event &)>;
 
    class RenderWindow : public ecstasy::ObjectWrapper<sf::RenderWindow> {
      public:
        template <typename... Args>
        RenderWindow(Args &&...args)
            : ecstasy::ObjectWrapper<sf::RenderWindow>(std::forward<Args>(args)...), _eventListener(nullptr)
        {
        }
 
        ~RenderWindow() noexcept = default;
 
        void setEventListener(EventListener listener) noexcept
        {
            _eventListener = listener;
        }
 
        constexpr EventListener &getEventListener() noexcept
        {
            return _eventListener;
        }
 
        bool pollEvent(sf::Event &event)
        {
            while (_object.pollEvent(event)) {
                // Return true if a usable (ie not stoled by the listener) event was polled
                if (!_eventListener || (!_eventListener(event)))
                    return true;
            }
            return false;
        }
 
      private:
        // Optional event listener
        EventListener _eventListener;
    };
} // namespace ecstasy::integration::sfml
 
#endif /* !ECSTASY_INTEGRATIONS_SFML_RESOURCES_RENDERWINDOW_HPP_ */