diff options
author | Timur Pocheptsov <timur.pocheptsov@qt.io> | 2017-09-20 15:56:31 +0200 |
---|---|---|
committer | Timur Pocheptsov <timur.pocheptsov@qt.io> | 2017-09-22 04:29:17 +0000 |
commit | ffbe848770d671ad8f09c423f62b27b2faad0dbb (patch) | |
tree | 271b038a264064868d498625a4642fb88c8b13f4 /examples | |
parent | aa4ff7b2e9d4523dbc44afad98a4e3570ec6a997 (diff) |
QtNetwork (examples) - update broadcastsender
Fix copyrights, update signal-slot connection syntax, use some simple
C++11 features (member-initializers, 'auto'), delete some data-members
(where a local variable is enough), where possible - use data-memebrs
as sub-objects (instead of heap allocated).
Task-number: QTBUG-60628
Change-Id: Ia440d8471eafb47481c0d010175c907037bae841
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Diffstat (limited to 'examples')
-rw-r--r-- | examples/network/broadcastsender/sender.cpp | 22 | ||||
-rw-r--r-- | examples/network/broadcastsender/sender.h | 19 |
2 files changed, 18 insertions, 23 deletions
diff --git a/examples/network/broadcastsender/sender.cpp b/examples/network/broadcastsender/sender.cpp index 344f898683..ee4896e9dd 100644 --- a/examples/network/broadcastsender/sender.cpp +++ b/examples/network/broadcastsender/sender.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2016 The Qt Company Ltd. +** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. @@ -50,6 +50,7 @@ #include <QtWidgets> #include <QtNetwork> +#include <QtCore> #include "sender.h" @@ -60,23 +61,21 @@ Sender::Sender(QWidget *parent) statusLabel->setWordWrap(true); startButton = new QPushButton(tr("&Start")); - quitButton = new QPushButton(tr("&Quit")); + auto quitButton = new QPushButton(tr("&Quit")); - buttonBox = new QDialogButtonBox; + auto buttonBox = new QDialogButtonBox; buttonBox->addButton(startButton, QDialogButtonBox::ActionRole); buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole); - timer = new QTimer(this); //! [0] udpSocket = new QUdpSocket(this); //! [0] - messageNo = 1; - connect(startButton, SIGNAL(clicked()), this, SLOT(startBroadcasting())); - connect(quitButton, SIGNAL(clicked()), this, SLOT(close())); - connect(timer, SIGNAL(timeout()), this, SLOT(broadcastDatagram())); + connect(startButton, &QPushButton::clicked, this, &Sender::startBroadcasting); + connect(quitButton, &QPushButton::clicked, this, &Sender::close); + connect(&timer, &QTimer::timeout, this, &Sender::broadcastDatagram); - QVBoxLayout *mainLayout = new QVBoxLayout; + auto mainLayout = new QVBoxLayout; mainLayout->addWidget(statusLabel); mainLayout->addWidget(buttonBox); setLayout(mainLayout); @@ -87,7 +86,7 @@ Sender::Sender(QWidget *parent) void Sender::startBroadcasting() { startButton->setEnabled(false); - timer->start(1000); + timer.start(1000); } void Sender::broadcastDatagram() @@ -95,8 +94,7 @@ void Sender::broadcastDatagram() statusLabel->setText(tr("Now broadcasting datagram %1").arg(messageNo)); //! [1] QByteArray datagram = "Broadcast message " + QByteArray::number(messageNo); - udpSocket->writeDatagram(datagram.data(), datagram.size(), - QHostAddress::Broadcast, 45454); + udpSocket->writeDatagram(datagram, QHostAddress::Broadcast, 45454); //! [1] ++messageNo; } diff --git a/examples/network/broadcastsender/sender.h b/examples/network/broadcastsender/sender.h index e9c1076dd3..f91c7769ec 100644 --- a/examples/network/broadcastsender/sender.h +++ b/examples/network/broadcastsender/sender.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2016 The Qt Company Ltd. +** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. @@ -52,12 +52,11 @@ #define SENDER_H #include <QWidget> +#include <QTimer> QT_BEGIN_NAMESPACE -class QDialogButtonBox; class QLabel; class QPushButton; -class QTimer; class QUdpSocket; QT_END_NAMESPACE @@ -66,20 +65,18 @@ class Sender : public QWidget Q_OBJECT public: - Sender(QWidget *parent = 0); + explicit Sender(QWidget *parent = nullptr); private slots: void startBroadcasting(); void broadcastDatagram(); private: - QLabel *statusLabel; - QPushButton *startButton; - QPushButton *quitButton; - QDialogButtonBox *buttonBox; - QUdpSocket *udpSocket; - QTimer *timer; - int messageNo; + QLabel *statusLabel = nullptr; + QPushButton *startButton = nullptr; + QUdpSocket *udpSocket = nullptr; + QTimer timer; + int messageNo = 1; }; #endif |