def setEditable( self, state ):
        """
        Sets whether or not this combobox will be editable, updating its \
        line edit to an XLineEdit if necessary.
        
        :param      state | <bool>
        """
        super(XComboBox, self).setEditable(state)
        
        if state:
            edit = self.lineEdit()
            if edit and isinstance(edit, XLineEdit):
                return
            elif edit:
                edit.setParent(None)
                edit.deleteLater()
            
            edit = XLineEdit(self)
            edit.setHint(self.hint())
            self.setLineEdit(edit)
Sets whether or not this combobox will be editable, updating its \
        line edit to an XLineEdit if necessary.
        
        :param      state | <bool>