frmclient.cpp

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#include "frmclient.h"

/* 
 *  Constructs a frmclient which is a child of 'parent', with the 
 *  name 'name' and widget flags set to 'f' 
 *
 *  The dialog will by default be modeless, unless you set 'modal' to
 *  TRUE to construct a modal dialog.
 */
static const Q_UINT16 ipcPort = 8000;

frmclient::frmclient( QWidget* parent,  const char* name, bool modal, WFlags fl )
    : clientform( parent, name, modal, fl )
{
    socket =new QSocket (this);
    connectFlag=FALSE;
    
    connect( socket, SIGNAL(connected()), this ,SLOT(SocketConnected()));
    connect( socket, SIGNAL(connectionClosed()), this, SLOT(ServerConnectionClosed()) );
    connect( socket, SIGNAL(error(int)), this ,SLOT(SocketError(int)) );
    
    connect( btnSendPicture, SIGNAL(clicked()), SLOT(sendImage()) );
    connect( btnSendText, SIGNAL(clicked()), SLOT(sendText()) );
    connect( btnSendFile, SIGNAL(clicked()), SLOT(sendFile()) );  
    connect( btnConnect, SIGNAL( clicked()), SLOT( connectNet()));
    connect( btnExit, SIGNAL( clicked()), SLOT(exitSystem()));
    
    socket->connectToHost( "196.168.0.100", ipcPort );
}

/*  
 *  Destroys the object and frees any allocated resources
 */
frmclient::~frmclient()
{
    // no need to delete child widgets, Qt does it all for us
}
void frmclient::ServerConnectionClosed()
{
    connectFlag=FALSE;
    txtContent->append (tr("disconnect net"));
    
}
void frmclient::SocketConnected()
{
    connectFlag=TRUE;
    txtContent->append (tr("connect net"));
}
void frmclient::SocketError(int error)
{
    txtContent->append( tr("Error number %1 occurred\n").arg(error) );    
}

void frmclient::connectNet()
{
	socket->connectToHost( "192.168.0.100", ipcPort );    
}
void frmclient::sendImage()
{
    QString imageName=txtContent->text();
    QImage image( imageName );
    if ( !image.isNull() ) {
	sendPacket( image );
    }   
}

void frmclient::sendText()
{
    if(connectFlag)
	sendPacket( txtContent->text() ); 
    else
	txtContent->append (tr("Net is not connected"));
}

void frmclient::sendFile()
{
    txtContent->setText("");
}
void frmclient::sendPacket( const QVariant &v )
{
    QByteArray ba;
    QDataStream varDs( ba, IO_WriteOnly );
    varDs << v;

    QDataStream ds( socket );
    ds << (Q_UINT32) ba.size();
    socket->writeBlock( ba.data(), ba.size() );    
    
}

void frmclient::exitSystem()
{
    close();
}