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50
51#ifndef SENDER_H
52#define SENDER_H
53
54#include <QWidget>
55#include <QTimer>
56
57QT_BEGIN_NAMESPACE
58class QLabel;
59class QPushButton;
60class QUdpSocket;
61QT_END_NAMESPACE
62
63class Sender : public QWidget
64{
65 Q_OBJECT
66
67public:
68 explicit Sender(QWidget *parent = nullptr);
69
70private slots:
71 void startBroadcasting();
72 void broadcastDatagram();
73
74private:
75 QLabel *statusLabel = nullptr;
76 QPushButton *startButton = nullptr;
77 QUdpSocket *udpSocket = nullptr;
78 QTimer timer;
79 int messageNo = 1;
80};
81
82#endif
83

source code of qtbase/examples/network/broadcastsender/sender.h