Urs Liska <lilyp...@ursliska.de> writes:
> Hello list members,
>
> after fiddling around too long and getting lost with the basics, I
> decided to ask my question here.
> I know it's basic, and I wonder why I get stuck this way, but
> obviously I'm confused and unable to find the right place in the docs.
>
> I want to write a function "instr" to produce formatted markup that I
> can use like
>
> { c d e f^\instr "Vl." }
>
> which should be translated to (e.g.)
>
> { c d e f^\markup \bold \italic \huge { "Vl." } }
>
> Unfortunately I seem absolutely unable to find out how to define the
> function so I can attach it to the note like in the example.
>
> Hopefully someone can either give me a working example or point me to
> the exact location in the docs where I can fully understand this
> issue.
The docs are not useful for this. A sequential music expression like
that generated with #{ #} can't be attached in this manner. But you
should be able to do
instr=#(define-music-function (parser location instrument) (string?)
(make-music
'TextScriptEvent
'direction
UP
'text
(markup #:bold #:italic #:huge instrument)))
Note that this has the upward direction builtin. If you don't want to
have the direction fixed in advance (you can always override it with
explicit ^ and _ instead of -, however), remove 'direction UP.
How do you arrive there?
Take a look what
\displayMusic { c^\markup { whatever } }
produces and go from there by stripping the layers that don't belong in
your expression.
--
David Kastrup
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