Class: Receiver

Inherits:
Qt::Dialog show all
Defined in:
ext/ruby/qtruby/examples/network/broadcastreceiver/receiver.rb

Instance Method Summary collapse

Methods inherited from Qt::Dialog

#exec

Methods inherited from Qt::Base

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Constructor Details

#initialize(parent = nil) ⇒ Receiver

Returns a new instance of Receiver.



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# File 'ext/ruby/qtruby/examples/network/broadcastreceiver/receiver.rb', line 31

def initialize(parent = nil)
    super(parent)
    @statusLabel = Qt::Label.new(tr("Listening for broadcasted messages"))
    @quitButton = Qt::PushButton.new(tr("&Quit"))

    @udpSocket = Qt::UdpSocket.new(self)
    @udpSocket.bind(45454)

    connect(@udpSocket, SIGNAL(:readyRead),
            self, SLOT(:processPendingDatagrams))
    connect(@quitButton, SIGNAL(:clicked), self, SLOT(:close))

    buttonLayout = Qt::HBoxLayout.new do |b|
    	b.addStretch(1)
   		b.addWidget(@quitButton)
	end

    self.layout = Qt::VBoxLayout.new do |m|
    	m.addWidget(@statusLabel)
    	m.addLayout(buttonLayout)
    end

    self.windowTitle = tr("Broadcast Receiver")
end

Instance Method Details

#processPendingDatagrams ⇒ Object 



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# File 'ext/ruby/qtruby/examples/network/broadcastreceiver/receiver.rb', line 56

def processPendingDatagrams()
    while @udpSocket.hasPendingDatagrams do
        datagram = Qt::ByteArray.new
        datagram.resize(@udpSocket.pendingDatagramSize)
        @udpSocket.readDatagram(datagram.data(), datagram.size())
        @statusLabel.text = tr('Received datagram: "%d"' % datagram.data)
    end
end