From 163927ada9acf5c322d6786358e3e4d4c092c981 Mon Sep 17 00:00:00 2001
From: Daniel Nicoletti <dantti12@gmail.com>
Date: Sun, 1 Nov 2020 10:12:37 -0300
Subject: [PATCH] Fix compilation on Qt 5.15

---
 CMakeLists.txt |  2 +-
 src/sender.cpp |  8 ++++++--
 src/server.cpp | 10 +++++++---
 3 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e79be7c..6b577ee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -70,7 +70,7 @@ add_definitions(
     -DQT_USE_QSTRINGBUILDER
     -DQT_NO_SIGNALS_SLOTS_KEYWORDS
     -DQT_USE_FAST_OPERATOR_PLUS
-    -DQT_DISABLE_DEPRECATED_BEFORE=0x050c00
+    -DQT_DISABLE_DEPRECATED_BEFORE=0x050f00
 )
 
 include_directories(
diff --git a/src/sender.cpp b/src/sender.cpp
index f47f216..e064016 100644
--- a/src/sender.cpp
+++ b/src/sender.cpp
@@ -145,9 +145,13 @@ void Sender::setConnectionType(ConnectionType connectionType)
         connect(static_cast<QSslSocket*>(d->socket), static_cast<void(QSslSocket::*)(const QList<QSslError> &)>(&QSslSocket::sslErrors),this, &Sender::sslErrors, Qt::DirectConnection);
     }
     connect(d->socket, &QTcpSocket::stateChanged, this, &Sender::socketStateChanged);
-    connect(d->socket, static_cast<void(QTcpSocket::*)(QTcpSocket::SocketError)>(&QTcpSocket::error),
-            this, &Sender::socketError);
     connect(d->socket, &QTcpSocket::readyRead, this, &Sender::socketReadyRead);
+
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
+    connect(d->socket, &QTcpSocket::errorOccurred, this, &Sender::socketError);
+#else
+    connect(d->socket, static_cast<void(QTcpSocket::*)(QTcpSocket::SocketError)>(&QTcpSocket::error), this, &Sender::socketError);
+#endif
 }
 
 QString Sender::user() const
diff --git a/src/server.cpp b/src/server.cpp
index 7cbef9f..4deca26 100644
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -234,8 +234,7 @@ void ServerPrivate::createSocket()
         state = WaitingForServiceReady220;
     });
 
-    q->connect(socket, static_cast<void(QTcpSocket::*)(QTcpSocket::SocketError)>(&QTcpSocket::error),
-               q, [=] (QAbstractSocket::SocketError error) {
+    auto erroFn = [=] (QAbstractSocket::SocketError error) {
         qCDebug(SIMPLEMAIL_SERVER) << "SocketError" << error << socket->readAll();
         if (!queue.isEmpty()) {
             ServerReplyContainer &cont = queue[0];
@@ -247,7 +246,12 @@ void ServerPrivate::createSocket()
                 queue.removeFirst();
             }
         }
-    });
+    };
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
+    q->connect(socket, &QTcpSocket::errorOccurred, q, erroFn);
+#else
+    q->connect(socket, static_cast<void(QTcpSocket::*)(QTcpSocket::SocketError)>(&QTcpSocket::error), q, erroFn);
+#endif
 
     q->connect(socket, &QTcpSocket::readyRead, q, [=] {
         qCDebug(SIMPLEMAIL_SERVER) << "readyRead" << socket->bytesAvailable();