while (!quit) {
        while (SDL_PollEvent(&event)) {
            switch (event.type) {
            case SDL_KEYDOWN:
                switch (event.key.keysym.sym) {
                case SDLK_ESCAPE:
                    quit = true;
                    break;
                default:
                    ;
                }
                // Fall through
            case SDL_KEYUP:
                if (InputHandler* handler = InputHandler::getHandler(event.key.keysym.sym)) {
                    handler->handle(event);
                }
                break;
            case SDL_QUIT:
                quit = true;
            }
        }