(self)
Move left 1 pos
Move left 1 pos
Move left 1 pos
def move_left(self):
        """ Move left 1 pos
        """
        self._pos -= 1
        if self._pos <= 0:
            self._pos = 0
        self.posChanged.emit()
def move_left ( self ) : self . _pos -= 1 if self . _pos <= 0 : self . _pos = 0 self . posChanged . emit ( )