Displays the options menu.  If the option menu policy is set to 
        CustomContextMenu, then the optionMenuRequested signal will be emitted,
        otherwise the default context menu will be displayed.

def showOptionsMenu(self):
        """
        Displays the options menu.  If the option menu policy is set to 
        CustomContextMenu, then the optionMenuRequested signal will be emitted,
        otherwise the default context menu will be displayed.
        """
        point        = QPoint(0, self._optionsButton.height())
        global_point = self._optionsButton.mapToGlobal(point)
        
        # prompt the custom context menu
        if self.optionsMenuPolicy() == Qt.CustomContextMenu:
            if not self.signalsBlocked():
                self.optionsMenuRequested.emit(global_point)
            return
        
        # use the default context menu
        menu = XViewProfileManagerMenu(self)
        menu.exec_(global_point)