Re: extending event-listener.ly to include a (numerical) voice id

[David Kastrup]

Maurits Lamers <address@hidden> writes:

>>> But those values are not retrievable through (ly:context-id
>>> context), are they?
>> 
>> They are.  LilyPond just does the equivalent of
>> << \context Voice = "1" ...
>>   \context Voice = "2" ...
>>   \context Voice = "3"
>>>> 
>> 
>> But this is just ad-hoc for a << \\ \\ >> construct.
>
> So, if I understand this correctly, the following 
>
> \new Voice { 
>
> }
>
> leaves the context-id empty.

Yes.  Implicitly created contexts get something like "\\new" I think.

>  As I have to track them anyhow, I used the (make-object-property)
> technique to track the voice even in that case (as well as the parent
> staff)
>
> Follow up question:
> I also want to track lyrics. I already capture the lyric-event and
> hyphen-event. Is is possible to find the associated voice through the
> event?

Not that I know of.

> I tried to read the associatedVoice property, but that seems to be
> empty.

Try the context property associatedVoiceContext .  I think it gets set
by the iterator resposible for \lyricsto et al, just don't know when.

-- 
David Kastrup