Dry SFML Event/Keyboard Poll code

new.cpp

sf::Event event;
while (window.pollEvent(event))
{
	using k = sf::Keyboard;
	using e = sf::Event;
	auto kc = event.key.code;
	auto et = event.type;
	auto kp = e::KeyPressed;
	
	//DIREKTER VERGLEICH/////////////////////////////////////////////////
	if (et == e::Closed || (et == kp && kc == k::Escape))
		window.close();
	
	if (et == kp && (kc == k::C || kc == k::X))
		grid.fill(kc == k::X);
	//DIREKTER VERGLEICH ENDE////////////////////////////////////////////
}

{	
	using m = sf::Mouse;
	auto bp = &m::isButtonPressed;
	auto gp = std::bind(static_cast<sf::Vector2i(*)(const sf::Window&)>(m::getPosition), std::cref(window));
	
	//DIREKTER VERGLEICH/////////////////////////////////////////////////
	if (previous_mouse_position != gp() && (bp(m::Left) || bp(m::Right)))
	{
		grid.on_click(gp(), bp(m::Left));
		previous_mouse_position = gp();
	}
	//DIREKTER VERGLEICH ENDE////////////////////////////////////////////
 }

old.cpp

sf::Event event;
while (window.pollEvent(event))
{
	//DIREKTER VERGLEICH/////////////////////////////////////////////////
	if (event.type == sf::Event::Closed || (event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::Escape))
		window.close();

	if (event.type == sf::Event::KeyPressed && (event.key.code == sf::Keyboard::C || event.key.code == sf::Keyboard::X))
		grid.fill(event.key.code == sf::Keyboard::X);
	//DIREKTER VERGLEICH ENDE////////////////////////////////////////////
}

//DIREKTER VERGLEICH/////////////////////////////////////////////////
if (previous_mouse_position != sf::Mouse::getPosition(window) && (sf::Mouse::isButtonPressed(sf::Mouse::Left) || sf::Mouse::isButtonPressed(sf::Mouse::Right)))
{
	grid.on_click(sf::Mouse::getPosition(window), sf::Mouse::isButtonPressed(sf::Mouse::Left));
	previous_mouse_position = sf::Mouse::getPosition(window);
}
//DIREKTER VERGLEICH ENDE////////////////////////////////////////////