I leave you include the include files that need to be included :-)
This class also prevent dragging items, but you certainly don't want that.



::::::::::::::::: THE INCLUSION FILE :::::::::::::::::


/** The class KIconView allow to drag items. We don't want to, so we disable it.
  * This class also unselect the selected item when the user right click an empty space. We don't want to, so we reselect it if that happens.
  * @author Sébastien Laoût
  */
class SingleSelectionKIconView : public KIconView
{
  Q_OBJECT
  public:
	SingleSelectionKIconView(QWidget *parent = 0, const char *name = 0, WFlags f = 0);
	QDragObject* dragObject();
	QIconViewItem* selectedItem() { return m_lastSelected; }
  private slots:
	void slotSelectionChanged(QIconViewItem *item);
	void slotSelectionChanged();
  private:
	QIconViewItem *m_lastSelected;
};





::::::::::::::::: THE CODE FILE :::::::::::::::::



/** class SingleSelectionKIconView: */

SingleSelectionKIconView::SingleSelectionKIconView(QWidget *parent, const char *name, WFlags f)
 : KIconView(parent, name, f), m_lastSelected(0)
{
	connect( this, SIGNAL(selectionChanged(QIconViewItem*)), this, SLOT(slotSelectionChanged(QIconViewItem*)) );
	connect( this, SIGNAL(selectionChanged()),               this, SLOT(slotSelectionChanged())               );
}

QDragObject* SingleSelectionKIconView::dragObject()
{
	return 0;
}

void SingleSelectionKIconView::slotSelectionChanged(QIconViewItem *item)
{
	if (item)
		m_lastSelected = item;
}

void SingleSelectionKIconView::slotSelectionChanged()
{
	if (m_lastSelected && !m_lastSelected->isSelected())
		m_lastSelected->setSelected(true);
}