Hello!
> The problem is for `tune` or `poet` header field which also have labels
> attached to them. In those cases, I get the labels "Tune: " and "Lyrics: "
> still appearing in the score. Ideally I'd like those labels to disappear
> when their associated field is empty. Is there a way to make that happen?
%%% BEGIN snippet %%%
\version "2.19.53"
#(define-markup-command (when-property layout props symbol markp) (symbol?
markup?)
(if (chain-assoc-get symbol props)
(interpret-markup layout props markp)
empty-stencil))
\paper {
bookTitleMarkup = \markup { \fontsize #-3 \column {
\fill-line { \fontsize #6 \fromproperty #'header:title }
\when-property #'header:tune \fill-line {
\fromproperty #'header:meter
\concat { "Tune: " \fromproperty #'header:tune }
}
\when-property #'header:lyrics \fill-line {
\concat { "Lyrics: " \fromproperty #'header:poet }
\fromproperty #'header:composer
}
\fill-line {
\override #'(line-width . 30) \wordwrap-field #'header:poet_copyright
\override #'(line-width . 30) \wordwrap-field #'header:tune_copyright
}
}}
}
\new Staff {
c'
}
%%% END snippet %%%
Hope that helps!
Kieren.
________________________________
Kieren MacMillan, composer
‣ website: www.kierenmacmillan.info
‣ email: [email protected]
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