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qt'QColNumLineEdit (./qt-2.1.0/src/dialogs/qcolordialog.cpp:503)

class QColNumLineEdit : public QLineEdit
{
public:
    QColNumLineEdit( QWidget *parent, const char* name = 0 )
	: QLineEdit( parent, name ) { setMaxLength( 3 );}
    QSize sizeHint() const {
	return QSize( 30, //#####
		     QLineEdit::sizeHint().height() ); }
    void setNum( int i ) {
	QString s;
	s.setNum(i);
	blockSignals(TRUE);
	setText( s );
	blockSignals(FALSE);
    }
    int val() const { return text().toInt(); }
};

qt'QColNumLineEdit::val() (./qt-2.1.0/src/dialogs/qcolordialog.cpp:518)

    int val() const { return text().toInt(); }
};