damn

QSqlQuery query;
    if(query.exec("SELECT * FROM users WHERE username=\'" + u + "\' and password=\'" + p + "\'")) {
        int count = 0;
        while(query.next()) {
            count++;
        }
        if(count == 1) {
            hide();
            ui2 = new LoggedWindow(this);
            ui2->move(350, 100);
            ui2->show();
        }
        else if(count > 1) {
            ui->lblwrong->setText("Multiple accounts. Contact admins.");
            ui->lblwrong->show();
        }
        else if(count < 1) {
            ui->lblwrong->setText("Incorrect username or password");
            ui->lblwrong->show();
        }
    }