QAbstractSocket: deprecate 'error' signal, use 'errorOccurred' instead

[ChangeLog][Deprecation Notice] QAbstractSocket::error() (the signal) is deprecated; superseded by errorOccurred()

Change-Id: I11e9c774d7c6096d1e9b37c451cf0b99188b6aad
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>

7 files changed, 11 insertions, 13 deletions

diff --git a/examples/network/doc/src/fortuneclient.qdoc b/examples/network/doc/src/fortuneclient.qdoc
index 544fa156b7..4cb7544fc0 100644
--- a/examples/network/doc/src/fortuneclient.qdoc
+++ b/examples/network/doc/src/fortuneclient.qdoc
@@ -89,7 +89,7 @@
 
     The only QTcpSocket signals we need in this example are
     QTcpSocket::readyRead(), signifying that data has been received, and
-    QTcpSocket::error(), which we will use to catch any connection errors:
+    QTcpSocket::errorOccurred(), which we will use to catch any connection errors:
 
     \dots
     \snippet fortuneclient/client.cpp 3
@@ -118,11 +118,11 @@
 
     \li \e{An error occurs.} We need to inform the user if the connection
     failed or was broken. In this case, QTcpSocket will emit
-    \l{QTcpSocket::error()}{error()}, and \c Client::displayError() will be
+    \l{QTcpSocket::errorOccurred()}{errorOccurred()}, and \c Client::displayError() will be
     called.
     \endlist
 
-    Let's go through the \l{QTcpSocket::error()}{error()} case first:
+    Let's go through the \l{QTcpSocket::errorOccurred()}{errorOccurred()} case first:
 
     \snippet fortuneclient/client.cpp 13
 
diff --git a/examples/network/fortuneclient/client.cpp b/examples/network/fortuneclient/client.cpp
index 0ccbf51df8..2daac33c2b 100644
--- a/examples/network/fortuneclient/client.cpp
+++ b/examples/network/fortuneclient/client.cpp
@@ -121,7 +121,7 @@ Client::Client(QWidget *parent)
 //! [2] //! [3]
     connect(tcpSocket, &QIODevice::readyRead, this, &Client::readFortune);
 //! [2] //! [4]
-    connect(tcpSocket, QOverload<QAbstractSocket::SocketError>::of(&QAbstractSocket::error),
+    connect(tcpSocket, &QAbstractSocket::errorOccurred,
 //! [3]
             this, &Client::displayError);
 //! [4]
diff --git a/examples/network/loopback/dialog.cpp b/examples/network/loopback/dialog.cpp
index d87f024031..4037f4c085 100644
--- a/examples/network/loopback/dialog.cpp
+++ b/examples/network/loopback/dialog.cpp
@@ -78,7 +78,7 @@ Dialog::Dialog(QWidget *parent)
     connect(&tcpClient, &QAbstractSocket::connected, this, &Dialog::startTransfer);
     connect(&tcpClient, &QIODevice::bytesWritten,
             this, &Dialog::updateClientProgress);
-    connect(&tcpClient, QOverload<QAbstractSocket::SocketError>::of(&QAbstractSocket::error),
+    connect(&tcpClient, &QAbstractSocket::errorOccurred,
             this, &Dialog::displayError);
 
     QVBoxLayout *mainLayout = new QVBoxLayout;
@@ -131,8 +131,7 @@ void Dialog::acceptConnection()
 
     connect(tcpServerConnection, &QIODevice::readyRead,
             this, &Dialog::updateServerProgress);
-    connect(tcpServerConnection,
-            QOverload<QAbstractSocket::SocketError>::of(&QAbstractSocket::error),
+    connect(tcpServerConnection, &QAbstractSocket::errorOccurred,
             this, &Dialog::displayError);
     connect(tcpServerConnection, &QTcpSocket::disconnected,
             tcpServerConnection, &QTcpSocket::deleteLater);
diff --git a/examples/network/network-chat/client.cpp b/examples/network/network-chat/client.cpp
index d451181813..fe35d535f4 100644
--- a/examples/network/network-chat/client.cpp
+++ b/examples/network/network-chat/client.cpp
@@ -102,8 +102,7 @@ void Client::newConnection(Connection *connection)
 {
     connection->setGreetingMessage(peerManager->userName());
 
-    connect(connection, QOverload<QAbstractSocket::SocketError>::of(&Connection::error),
-            this, &Client::connectionError);
+    connect(connection, &Connection::errorOccurred, this, &Client::connectionError);
     connect(connection, &Connection::disconnected, this, &Client::disconnected);
     connect(connection, &Connection::readyForUse, this, &Client::readyForUse);
 }
diff --git a/examples/network/torrent/peerwireclient.cpp b/examples/network/torrent/peerwireclient.cpp
index cea4ef53fa..c30abd0e13 100644
--- a/examples/network/torrent/peerwireclient.cpp
+++ b/examples/network/torrent/peerwireclient.cpp
@@ -107,8 +107,8 @@ PeerWireClient::PeerWireClient(const QByteArray &peerId, QObject *parent)
             this, &PeerWireClient::readyRead);
     connect(&socket, &QTcpSocket::disconnected,
             this, &PeerWireClient::disconnected);
-    connect(&socket, QOverload<QAbstractSocket::SocketError>::of(&QTcpSocket::error),
-            this, QOverload<QAbstractSocket::SocketError>::of(&PeerWireClient::error));
+    connect(&socket, &QTcpSocket::errorOccurred,
+            this, &PeerWireClient::errorOccurred);
     connect(&socket, &QTcpSocket::bytesWritten,
             this, &PeerWireClient::bytesWritten);
     connect(&socket, &QTcpSocket::stateChanged,
diff --git a/examples/network/torrent/torrentclient.cpp b/examples/network/torrent/torrentclient.cpp
index 6b11338f42..2ba4476861 100644
--- a/examples/network/torrent/torrentclient.cpp
+++ b/examples/network/torrent/torrentclient.cpp
@@ -843,7 +843,7 @@ void TorrentClient::initializeConnection(PeerWireClient *client)
             this, &TorrentClient::setupOutgoingConnection);
     connect(client, &PeerWireClient::disconnected,
             this, &TorrentClient::removeClient);
-    connect(client, QOverload<QAbstractSocket::SocketError>::of(&PeerWireClient::error),
+    connect(client, &PeerWireClient::errorOccurred,
             this, &TorrentClient::removeClient);
     connect(client, &PeerWireClient::piecesAvailable,
             this, &TorrentClient::peerPiecesAvailable);
diff --git a/examples/network/torrent/torrentserver.cpp b/examples/network/torrent/torrentserver.cpp
index 215498194b..7af958c27c 100644
--- a/examples/network/torrent/torrentserver.cpp
+++ b/examples/network/torrent/torrentserver.cpp
@@ -80,7 +80,7 @@ void TorrentServer::incomingConnection(qintptr socketDescriptor)
         if (ConnectionManager::instance()->canAddConnection() && !clients.isEmpty()) {
             connect(client, &PeerWireClient::infoHashReceived,
                     this, &TorrentServer::processInfoHash);
-            connect(client, QOverload<QAbstractSocket::SocketError>::of(&PeerWireClient::error),
+            connect(client, &PeerWireClient::errorOccurred,
                     this, QOverload<>::of(&TorrentServer::removeClient));
             RateController::instance()->addSocket(client);
             ConnectionManager::instance()->addConnection(client);