#include <QApplication>
#include <QGraphicsItem>
#include <QGraphicsView>

class TextItem : public QGraphicsTextItem
{
public:
	TextItem()
	{
		setPlainText("Click on right button");
		setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsFocusable | QGraphicsItem::ItemIsSelectable);
		setTextInteractionFlags(Qt::TextEditable);
	}
};

int main(int argc, char* argv[])
{
	QApplication  a(argc, argv);
	QGraphicsView view(new QGraphicsScene(0, 0, 400, 300));

	TextItem* t = new TextItem();
	view.scene()->addItem(t);

	view.show();
	return a.exec();
}