def qteRun(self):
        """
        Extract the last ``QKeyEvent`` from the keyboard sequence
        (there should only be one anyway, but just to be sure) and
        deliver it to the native ``keyPressEvent`` method of the
        widget. The actual call is wrapped in a try-except construct
        because the ``keyPressEvent`` are protected methods in the C++
        code and cannot be called from PyQt, unless the widget itself
        was created in PyQt as opposed to by Qt itself. A typical
        example are the automatic scrollbars of windows. If they have
        the focus (just click on them) when a keyboard event occurs
        then Python 3.2 throws the following exception: "`RuntimeError:
        no access to protected functions or signals for objects not
        created from Python`".

        It remains to be seen if this poses a problem.
        """
        # Ignore the request if the widget has no keyPressEvent method.
        if not hasattr(self.qteWidget, 'keyPressEvent'):
            return

        # Extract the last key and send it to the widget.
        keyEvent = qte_global.last_key_sequence.toQKeyEventList()[-1]
        try:
            self.qteWidget.keyPressEvent(keyEvent)
        except RuntimeError:
            pass