Re: Trying to use ly:grob-set-property!

[Kevin Barry]

Hi Aaron,

Thank you so much for the explanation - it makes more sense now.

Kevin

On Wed, 8 Apr 2020 at 21:52, Aaron Hill <address@hidden> wrote:
>
> On 2020-04-08 1:26 pm, Kevin Barry wrote:
> > Hi Lilypond users,
> >
> > I am trying to get something to work by setting the X-offset of a grob
> > using ly:grob-set-property but I must be doing something wrong,
> > because it seems to have no effect. Can anyone explain what I'm doing
> > wrong? Below is a minimal example showing what I mean.
> >
> > %%%
> > \version "2.19.84"
> > {
> >   \override TextScript.X-offset = 10
> >   c' ^"this is offset"
> > }
> > {
> >   \override TextScript.after-line-breaking =
> >   #(lambda (grob)
> >      (ly:grob-set-property! grob 'X-offset 10))
> >   c' ^"this isn't offset"
> > }
> > %%%
>
> If you use before-line-breaking, the change in position applies.  For
> after-line-breaking, I believe you need to use ly:grob-translate-axis!,
> which would have the same effect as using extra-offset.  But note that
> the staff lines do not extend all the way to the right because they are
> calculated with the untranslated extents.  Also see below an example of
> \offset for reference:
>
> %%%%
> \version "2.20.0"
> {
>    c' \offset X-offset 10 ^"this is offset"
> }
> {
>    \override TextScript.before-line-breaking =
>    #(lambda (grob)
>       (ly:grob-set-property! grob 'X-offset 10))
>    c' ^"this is offset"
> }
> {
>    \override TextScript.after-line-breaking =
>    #(lambda (grob)
>       (ly:grob-translate-axis! grob 10 X))
>    c' ^"this is offset"
> }
> %%%%
>
>
> -- Aaron Hill