Re: can't seem to apply tweaks on tweaks

[Thomas Morley]

2015-12-30 15:21 GMT+01:00 Kieren MacMillan <address@hidden>:
> Hi Harm,
>
> You win the interwebs for today!  =)
>
> Although I’m only fractionally closer to understanding why certain Lilypond 
> things work or don’t (I understand now that overriding the stencil may cause 
> certain overrides to fail post-hoc; your comment "Not sure why a direct 
> 'text-override does not work” further supports my “seemingly arbitrary” 
> frustration), my custom function (see snippet, below) works exactly as 
> expected:
>
>     1. It follows Gould’s recommendation on alignment of text and line [where 
> Lilypond’s default does not];
>     2. It places the beginning and end of the OttavaBracket [and text] 
> exactly where I want it (personal preference); and,
>     3. It allows me to apply \overrides and \tweaks post-hoc (e.g., using the 
> edition-engraver), where necessary/desired.
>
> Perfection! Thanks!!
> Kieren.
>
> %%%%  SNIPPET BEGINS
> #(define eightva
>  #{
>    \markup
>      %% messing around with \with-dimensions, because OttavaBracket has no
>      %% possibility to set details.stencil-align-dir-y
>      %% :((
>      \with-dimensions #'(0 . 4) #'(0 . 2.8)
>      \italic \concat { "8" \raise #0.5 { \hspace #0.25 "va" } \hspace #0.5 }
>  #})
>
> octU = {

I don't think OttavaBracket.bound-details does anything, I'd delete it.
Default for font-shape is 'italic and it's in eightva as well makes no
sense to me to set it 'roman here, I'd delete it as well.

>   \once \override Staff.OttavaBracket.bound-details =
>     #`((left . ((Y . 0) (padding . -2) (stencil-align-dir-y . ,0.85)))
>        (left-broken . ((Y . 0) (stencil-align-dir-y . ,0.85)))
>        (right-broken . ((Y . 0) (padding . 0) (text . (markup ""))))
>        (right . ((Y . 0) (padding . -1.5) (text . ,(make-draw-line-markup 
> (cons 0 -1))))))
>   \once \override Staff.OttavaBracket.font-shape = #'roman
>   \once \override Staff.OttavaBracket.after-line-breaking =
>       #(lambda (grob) (ly:grob-set-property! grob 'text eightva))
>   \ottava #1
> }
> %%%%  SNIPPET ENDS