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126 lines
3.0 KiB
126 lines
3.0 KiB
/****************************************************************************
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for TQt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#include <ntqsocket.h>
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#include <ntqapplication.h>
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#include <ntqvbox.h>
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#include <ntqhbox.h>
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#include <ntqtextview.h>
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#include <ntqlineedit.h>
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#include <ntqlabel.h>
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#include <ntqpushbutton.h>
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#include <ntqtextstream.h>
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class Client : public TQVBox
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{
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TQ_OBJECT
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public:
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Client( const TQString &host, Q_UINT16 port )
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{
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// GUI layout
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infoText = new TQTextView( this );
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TQHBox *hb = new TQHBox( this );
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inputText = new TQLineEdit( hb );
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TQPushButton *send = new TQPushButton( tr("Send") , hb );
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TQPushButton *close = new TQPushButton( tr("Close connection") , this );
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TQPushButton *quit = new TQPushButton( tr("Quit") , this );
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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()), tqApp, SLOT(quit()) );
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// create the socket and connect various of its signals
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socket = new TQSocket( this );
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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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}
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~Client()
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{
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}
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private slots:
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void closeConnection()
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{
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socket->close();
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if ( socket->state() == TQSocket::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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}
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}
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void sendToServer()
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{
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// write to the server
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TQTextStream os(socket);
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os << inputText->text() << "\n";
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inputText->setText( "" );
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}
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void socketReadyRead()
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{
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// read from the server
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while ( socket->canReadLine() ) {
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infoText->append( socket->readLine() );
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}
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}
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void socketConnected()
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{
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infoText->append( tr("Connected to server\n") );
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}
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void socketConnectionClosed()
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{
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infoText->append( tr("Connection closed by the server\n") );
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}
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void socketClosed()
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{
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infoText->append( tr("Connection closed\n") );
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}
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void socketError( int e )
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{
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infoText->append( tr("Error number %1 occurred\n").arg(e) );
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}
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private:
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TQSocket *socket;
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TQTextView *infoText;
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TQLineEdit *inputText;
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};
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int main( int argc, char** argv )
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{
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TQApplication app( argc, argv );
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Client client( argc<2 ? "localhost" : argv[1], 4242 );
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app.setMainWidget( &client );
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client.show();
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return app.exec();
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}
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#include "client.moc"
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