Class: Sender

Inherits:
Qt::Dialog show all
Defined in:
ext/ruby/qtruby/examples/network/broadcastsender/sender.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) ⇒ Sender

Returns a new instance of Sender.



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# File 'ext/ruby/qtruby/examples/network/broadcastsender/sender.rb', line 31

def initialize(parent = nil)
    super(parent)
    @statusLabel = Qt::Label.new(tr("Ready to broadcast datagrams on port 45454"))
    @startButton = Qt::PushButton.new(tr("&Start"))
    @quitButton = Qt::PushButton.new(tr("&Quit"))
    @timer = Qt::Timer.new(self)
    @udpSocket = Qt::UdpSocket.new(self)
    @messageNo = 1

    connect(@startButton, SIGNAL(:clicked), self, SLOT(:startBroadcasting))
    connect(@quitButton, SIGNAL(:clicked), self, SLOT(:close))
    connect(@timer, SIGNAL(:timeout), self, SLOT(:broadcastDatagram))

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

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

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

Instance Method Details

#broadcastDatagram ⇒ Object 



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# File 'ext/ruby/qtruby/examples/network/broadcastsender/sender.rb', line 63

def broadcastDatagram()
    @statusLabel.text = tr("Now broadcasting datagram %d" % @messageNo)
    datagram = Qt::ByteArray.new("Broadcast message %d" % @messageNo)
    @udpSocket.writeDatagram(datagram.data(), datagram.size(),
                             Qt::HostAddress.new(Qt::HostAddress::Broadcast), 45454)
    @messageNo += 1
end

#startBroadcasting ⇒ Object 



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# File 'ext/ruby/qtruby/examples/network/broadcastsender/sender.rb', line 58

def startBroadcasting()
    @startButton.enabled = false
    @timer.start(1000)
end