Hi,
I'm trying to write an event-function that creates both a slur and a
markup on opposite sides. I can do that by manually specifying the
directions:
\version "2.19.82"
testDirection =
#(define-event-function ()()
#{
_(
^"Text"
#})
{
c' \testDirection d' )
}
but I have to make it possible to do it both ways (top/bottom and
bottom/top).
I know how to set the directions with an extra (optional) function
argument, but I would prefer if I could extract the direction directly
from within the event-function.
Using \displayMusic I see that an explicit direction is "known" to the
event function:
\void \displayMusic ^\testDirection
=>
(make-music
'PostEvents
'direction
1
'elements
(list (make-music
'SlurEvent
'direction
-1
'span-direction
-1)
(make-music
'TextScriptEvent
'direction
1
'text
"Text")))
(the 'direction PostEvent takes either 1 or -1, or is missing if no
explicit direction is given). But I have no idea if/how I can access
that information from within the function to decide how to create the
slur and the text event.
Thanks Urs
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