Cleanup network examples

Cleanup network examples:
 - use nullptr
 - use member-init
 - adjust includes
 - use new-style connects

Change-Id: I80aa230168e5aec88a1bc93bbf49a471bfc30e7b
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>

4 files changed, 4 insertions, 4 deletions

diff --git a/examples/network/threadedfortuneserver/dialog.cpp b/examples/network/threadedfortuneserver/dialog.cpp
index fcd6655ab9..e5b389f1e6 100644
--- a/examples/network/threadedfortuneserver/dialog.cpp
+++ b/examples/network/threadedfortuneserver/dialog.cpp
@@ -89,7 +89,7 @@ Dialog::Dialog(QWidget *parent)
                             "Run the Fortune Client example now.")
                          .arg(ipAddress).arg(server.serverPort()));
 
-    connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));
+    connect(quitButton, &QPushButton::clicked, this, &Dialog::close);
 
     QHBoxLayout *buttonLayout = new QHBoxLayout;
     buttonLayout->addStretch(1);
diff --git a/examples/network/threadedfortuneserver/dialog.h b/examples/network/threadedfortuneserver/dialog.h
index d127b8bfc2..2898c5311c 100644
--- a/examples/network/threadedfortuneserver/dialog.h
+++ b/examples/network/threadedfortuneserver/dialog.h
@@ -64,7 +64,7 @@ class Dialog : public QWidget
     Q_OBJECT
 
 public:
-    Dialog(QWidget *parent = 0);
+    Dialog(QWidget *parent = nullptr);
 
 private:
     QLabel *statusLabel;
diff --git a/examples/network/threadedfortuneserver/fortuneserver.cpp b/examples/network/threadedfortuneserver/fortuneserver.cpp
index 791ffc71f4..73d7e22531 100644
--- a/examples/network/threadedfortuneserver/fortuneserver.cpp
+++ b/examples/network/threadedfortuneserver/fortuneserver.cpp
@@ -74,7 +74,7 @@ void FortuneServer::incomingConnection(qintptr socketDescriptor)
 {
     QString fortune = fortunes.at(QRandomGenerator::global()->bounded(fortunes.size()));
     FortuneThread *thread = new FortuneThread(socketDescriptor, fortune, this);
-    connect(thread, SIGNAL(finished()), thread, SLOT(deleteLater()));
+    connect(thread, &FortuneThread::finished, thread, &FortuneThread::deleteLater);
     thread->start();
 }
 //! [1]
diff --git a/examples/network/threadedfortuneserver/fortuneserver.h b/examples/network/threadedfortuneserver/fortuneserver.h
index dc0949bcb2..26ea3d1cbb 100644
--- a/examples/network/threadedfortuneserver/fortuneserver.h
+++ b/examples/network/threadedfortuneserver/fortuneserver.h
@@ -60,7 +60,7 @@ class FortuneServer : public QTcpServer
     Q_OBJECT
 
 public:
-    FortuneServer(QObject *parent = 0);
+    FortuneServer(QObject *parent = nullptr);
 
 protected:
     void incomingConnection(qintptr socketDescriptor) override;