(self, bytes_per_line)
Move up 1 line
Move up 1 line
Move up 1 line
def move_up(self, bytes_per_line):
        """ Move up 1 line
        """
        self._pos -= bytes_per_line
        if self._pos <= 0:
            self._pos = 0
        self.posChanged.emit()
def move_up ( self , bytes_per_line ) : self . _pos -= bytes_per_line if self . _pos <= 0 : self . _pos = 0 self . posChanged . emit ( )