def visibleColumns(self):
        """
        Returns a list of the visible column names for this widget.
        
        :return     [<str>, ..]
        """
        return [self.columnOf(c) for c in range(self.columnCount()) \
                if not self.isColumnHidden(c)]
def visibleColumns ( self ) : return [ self . columnOf ( c ) for c in range ( self . columnCount ( ) ) if not self . isColumnHidden ( c ) ]
Returns a list of the visible column names for this widget.
        
        :return     [<str>, ..]