Problem calling a function of a class from another class.

[Fallen_]

sure, i also knew that someone will say that theyre made const, i had them this way.
anyway here:

void MainWindow::Connect()
{
	Startup s;
	QString p = s.getPort();
	int port = p.toInt();
	QString host = s.getServer();
	socket->connectToHost(host, port);
	QString t = s.getNick();
	std::string tmp = "USER " + t.toStdString() + " * * :" + t.toStdString() + "\r\n";
	socket->write(tmp.c_str());
	tmp = "NICK " + t.toStdString() + "\r\n";
	socket->write(tmp.c_str());
	QString f = s.getChannel();
	tmp = "JOIN " + f.toStdString() + "\r\n";
	socket->write(tmp.c_str());
}

void MainWindow::Connect()
{
	Startup s;
	QString p = s.getPort();
	int port = p.toInt();
	QString host = s.getServer();
	socket->connectToHost(host, port);
	QString t = s.getNick();
	std::string tmp = "USER " + t.toStdString() + " * * :" + t.toStdString() + "\r\n";
	socket->write(tmp.c_str());
	tmp = "NICK " + t.toStdString() + "\r\n";
	socket->write(tmp.c_str());
	QString f = s.getChannel();
	tmp = "JOIN " + f.toStdString() + "\r\n";
	socket->write(tmp.c_str());
}

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i also tried putting "Startup* s" then new it in the constructor didnt work, since i called both classes in both headers.