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89 lines
2.3 KiB
89 lines
2.3 KiB
15 years ago
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require 'Qt'
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class Client < Qt::VBox
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def initialize( host, port )
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super()
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# GUI layout
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@infoText = Qt::TextView.new( self )
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hb = Qt::HBox.new( self )
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@inputText = Qt::LineEdit.new( hb )
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send = Qt::PushButton.new( tr("Send") , hb )
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close = Qt::PushButton.new( tr("Close connection") , self )
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quit = Qt::PushButton.new( tr("Quit") , self )
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connect( send, SIGNAL('clicked()'), SLOT('sendToServer()') )
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connect( close, SIGNAL('clicked()'), SLOT('closeConnection()') )
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connect( quit, SIGNAL('clicked()'), $qApp, SLOT('quit()') )
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# create the socket and connect various of its signals
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@socket = Qt::Socket.new( self )
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connect( @socket, SIGNAL('connected()'),
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SLOT('socketConnected()') )
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connect( @socket, SIGNAL('connectionClosed()'),
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SLOT('socketConnectionClosed()') )
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connect( @socket, SIGNAL('readyRead()'),
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SLOT('socketReadyRead()') )
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connect( @socket, SIGNAL('error(int)'),
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SLOT('socketError(int)') )
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# connect to the server
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@infoText.append( tr("Trying to connect to the server\n") )
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@socket.connectToHost( host, port )
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end
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slots 'closeConnection()', 'sendToServer()',
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'socketReadyRead()', 'socketConnected()',
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'socketConnectionClosed()', 'socketClosed()',
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'socketError(int)'
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def closeConnection()
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@socket.close()
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if @socket.state() == Qt::Socket::Closing
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# We have a delayed close.
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connect( @socket, SIGNAL('delayedCloseFinished()'),
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SLOT('socketClosed()') )
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else
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# The socket is closed.
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socketClosed()
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end
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end
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def sendToServer()
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# write to the server
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os = Qt::TextStream.new(@socket)
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os << @inputText.text() << "\n"
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@inputText.setText( "" )
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os.dispose()
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end
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def socketReadyRead()
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# read from the server
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while @socket.canReadLine() do
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@infoText.append( @socket.readLine() )
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end
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end
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def socketConnected()
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@infoText.append( tr("Connected to server\n") )
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end
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def socketConnectionClosed()
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@infoText.append( tr("Connection closed by the server\n") )
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end
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def socketClosed()
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@infoText.append( tr("Connection closed\n") )
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end
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def socketError( e )
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@infoText.append( tr("Error number %d occurred\n" % e) )
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end
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end
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app = Qt::Application.new( ARGV )
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client = Client.new( ARGV.length < 1 ? "localhost" : ARGV[0], 4242 )
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app.mainWidget = client
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client.show
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app.exec
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