What things are not consistent?

In onPressed I would expect pressed to be also true which this patch ensures.

In D5979#112068, @davidedmundson wrote:

What things are not consistent?

connect(m_listener, &MEL::pressed, this, &ThisClass:blah);

void ThisClass::blah()
{
    if (m_listener->isPressed()) changeSomethingNowThatItsPressed();
}

The same reason why any setter sets the value before emitting.