'Grow current window
Will grow the currently focused client reducing the size of those
around it. Growing will stop when no other secondary clients can reduce
their size any further.'

def cmd_grow(self):

    if (self.focused == 0):
        self._grow_main(self.change_ratio)
    elif (len(self.clients) == 2):
        self._grow_solo_secondary(self.change_ratio)
    else:
        self._grow_secondary(self.change_size)
    self.group.layoutAll()
