Russian Qt Forum

class Widget : public QWidget {
	Q_OBJECT
public:
	Widget(QWidget *parent = 0);

private slots:
	void add();

private:
	QGridLayout *m_Lt;
	int m_I;
};

Widget::Widget(QWidget *parent):QWidget(parent) {
	m_I = 1;
	QPushButton *addBtn = new QPushButton(tr("Add"), this);

	m_Lt = new QGridLayout(this);
	m_Lt->addWidget(addBtn, 0, 0, 1, 2);

	connect(addBtn, SIGNAL(clicked()), SLOT(add()));
}
void Widget::add() {
	QLineEdit *le = new QLineEdit(this);
	QPushButton *btn = new QPushButton(tr("Remove"), this);
	m_Lt->addWidget(le, m_I, 0);
	m_Lt->addWidget(btn, m_I++, 1);

	connect(btn, SIGNAL(clicked()), le, SLOT(deleteLater()));
	connect(btn, SIGNAL(clicked()), btn, SLOT(deleteLater()));
}