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Game Programming using Qt 5 Beginner's Guide - Second Edition by Lorenz Haas, Witold Wysota, Pavel Strakhov

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Time for action – Setting up the server

A look at the server's GUI shows us that it principally consists of QPlainTextEdit (ui->log) that is used to display system messages and a button (ui->disconnectClients), which allows us to disconnect all the currently connected clients. On the top, next to the button, the server's address and port are displayed (ui->address and ui->port). After setting up the user interface in the constructor of the server's class TcpServer, we initiate the internally used QTcpServer, which is stored in the m_server private member variable:

if (!m_server->listen(QHostAddress::LocalHost, 52693)) { ui->log->setPlainText(tr("Failure while starting server: %1") .arg(m_server->errorString())); return; } connect(m_server, ...

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