select a printer question

[impeteperry]

Hi, I am running Ubuntu 8.10
I have a table written in Qt-4. (see attachment). I want to print the table part. I have a printer connected (Deskjet-5740). I am totally confused on how to start the printer module. (I had printed this type of program when I was using Qt-3.),

void PrintIndex::slotPb5()
{
	QStringList temp;
	QString path, k;
 
	int corner[17][2];
	int side, m, n, count, counter, base;
	double  a, b, x, y; 
	bool ret;
 
	QPrinter myprinter;	// = new QPrinter();
	myprinter.setPageSize( QPrinter::Legal );
	myprinter.setOrientation( QPrinter::Landscape );
	myprinter.setColorMode( QPrinter::Color );
	myprinter.setFullPage ( true );
	ret = myprinter.setup();
	if( ret == true )
	{
		QPainter p( &myprinter );

void PrintIndex::slotPb5()
{
	QStringList temp;
	QString path, k;

	int corner[17][2];
	int side, m, n, count, counter, base;
	double  a, b, x, y; 
	bool ret;

	QPrinter myprinter;	// = new QPrinter();
	myprinter.setPageSize( QPrinter::Legal );
	myprinter.setOrientation( QPrinter::Landscape );
	myprinter.setColorMode( QPrinter::Color );
	myprinter.setFullPage ( true );
	ret = myprinter.setup();
	if( ret == true )
	{
		QPainter p( &myprinter );

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I would appreciate your help very much
Thank you