LINE_SEL_RIGHT_LEFT
if (data->lineflag == LINE_SEL_RIGHT_LEFT && oy == data->endsely)
data->lineflag = LINE_SEL_RIGHT_LEFT;
else if (data->lineflag == LINE_SEL_RIGHT_LEFT)
else if (data->lineflag == LINE_SEL_RIGHT_LEFT)
if (data->lineflag == LINE_SEL_RIGHT_LEFT && oy == data->endsely)
else if (data->lineflag == LINE_SEL_RIGHT_LEFT)