#ifndef TABLEWIDGET_H
#define TABLEWIDGET_H
//
#include <QtGui>
class QMenu;
class QAction;
class TableWidget : public QTableWidget
{
    Q_OBJECT
public:
     TableWidget(int, int );
protected:
     void contextMenuEvent(QContextMenuEvent *event);
private slots:
     void add();
     void remove();
private:
     void createActions();
     QAction *addAct;
     QAction *removeAct;
};
#endif

#include "tablewidget.h"
//-----------------------------------------------------------------------------------------------
TableWidget::TableWidget(int rows, int columns ) : QTableWidget( rows, columns) 
{
    setRowCount(rows);
    setColumnCount(columns);
    
    for (int i  = 0; i < rows; ++i) {
            QTableWidgetItem *item = new QTableWidgetItem(QString("Element")+QString::number(i));
            setItem( i-1 , 1, item);
   }
   
    createActions();
}
//-----------------------------------------------------------------------------------------------
 void TableWidget::createActions()
 {
     addAct = new QAction(tr("Add"), this);
     connect(addAct, SIGNAL(triggered()), this, SLOT(add()));
     removeAct = new QAction(tr("Remove"), this);
     connect(removeAct, SIGNAL(triggered()), this, SLOT(remove()));
}
//-----------------------------------------------------------------------------------------------
void TableWidget::add()
 {
     qDebug() << "add"<< currentRow()<< currentColumn(); 
 }
//-----------------------------------------------------------------------------------------------
void TableWidget::remove()
 {
     qDebug() << "remove"<< currentRow() << currentColumn();
 }
//-----------------------------------------------------------------------------------------------
void TableWidget::contextMenuEvent(QContextMenuEvent *event)
 {
     QMenu menu(this);
     menu.addAction(addAct);
     menu.addAction(removeAct);
     menu.exec(event->globalPos());
 }

#include "tablewidget.h"
//
int main(int argc, char ** argv)
{
	QApplication app( argc, argv );
	TableWidget table(3,1);
	table.show(); 
	return app.exec();
}