mirror of
https://github.com/pyqt/examples.git
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98 lines
3.7 KiB
Python
98 lines
3.7 KiB
Python
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#!/usr/bin/env python
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#############################################################################
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##
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## Copyright (C) 2013 Riverbank Computing Limited.
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## Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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## All rights reserved.
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##
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## This file is part of the examples of PyQt.
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##
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## $QT_BEGIN_LICENSE:BSD$
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## You may use this file under the terms of the BSD license as follows:
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##
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## "Redistribution and use in source and binary forms, with or without
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## modification, are permitted provided that the following conditions are
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## met:
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## * Redistributions of source code must retain the above copyright
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## notice, this list of conditions and the following disclaimer.
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## * Redistributions in binary form must reproduce the above copyright
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## notice, this list of conditions and the following disclaimer in
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## the documentation and/or other materials provided with the
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## distribution.
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## * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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## the names of its contributors may be used to endorse or promote
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## products derived from this software without specific prior written
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## permission.
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##
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## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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## $QT_END_LICENSE$
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##
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#############################################################################
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from PyQt5.QtCore import QTimer
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from PyQt5.QtWidgets import (QApplication, QDialog, QDialogButtonBox, QLabel,
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QPushButton, QVBoxLayout)
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from PyQt5.QtNetwork import QHostAddress, QUdpSocket
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class Sender(QDialog):
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def __init__(self, parent=None):
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super(Sender, self).__init__(parent)
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self.statusLabel = QLabel("Ready to broadcast datagrams on port 45454")
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self.startButton = QPushButton("&Start")
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quitButton = QPushButton("&Quit")
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buttonBox = QDialogButtonBox()
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buttonBox.addButton(self.startButton, QDialogButtonBox.ActionRole)
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buttonBox.addButton(quitButton, QDialogButtonBox.RejectRole)
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self.timer = QTimer(self)
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self.udpSocket = QUdpSocket(self)
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self.messageNo = 1
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self.startButton.clicked.connect(self.startBroadcasting)
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quitButton.clicked.connect(self.close)
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self.timer.timeout.connect(self.broadcastDatagramm)
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mainLayout = QVBoxLayout()
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mainLayout.addWidget(self.statusLabel)
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mainLayout.addWidget(buttonBox)
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self.setLayout(mainLayout)
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self.setWindowTitle("Broadcast Sender")
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def startBroadcasting(self):
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self.startButton.setEnabled(False)
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self.timer.start(1000)
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def broadcastDatagramm(self):
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self.statusLabel.setText("Now broadcasting datagram %d" % self.messageNo)
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datagram = "Broadcast message %d" % self.messageNo
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self.udpSocket.writeDatagram(datagram, QHostAddress(QHostAddress.Broadcast), 45454)
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self.messageNo += 1
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if __name__ == '__main__':
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import sys
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app = QApplication(sys.argv)
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sender = Sender()
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sender.show()
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sys.exit(sender.exec_())
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