This context override is getting me to where I need these to be. Thanks!
For this project (a Theory exam), There are no flats, so the strange
vertical offset it seems to make isn't an issue.
James W
On Fri, Feb 6, 2015 at 2:10 PM, Pierre Perol-Schneider <
pierre.schneider.pa...@gmail.com> wrote:
> Oups, I forgot that!
> I'll check for a workaround.
>
> BTW, there was this solution but looks strange with flats:
>
> \score {
> \new Staff {
> \parenthesize cis'4. s8 \parenthesize bes4.
> }
> \layout {
> \context {
> \Voice
> \override ParenthesesItem.stencil = #(lambda (grob)
> (let* ((acc (ly:grob-object (ly:grob-parent grob Y)
> 'accidental-grob))
> (dot (ly:grob-object (ly:grob-parent grob Y) 'dot)))
> (if (not (null? acc)) (ly:pointer-group-interface::add-grob grob
> 'elements acc))
> (if (not (null? dot)) (ly:pointer-group-interface::add-grob grob
> 'elements dot))
> (parentheses-item::print grob)))
> }
> }
> }
>
> Cheers,
> Pierre
>
> 2015-02-06 20:53 GMT+01:00 James Worlton <jworl...@gmail.com>:
>
>> On Fri, Feb 6, 2015 at 1:20 PM, Pierre Perol-Schneider <
>> pierre.schneider.pa...@gmail.com> wrote:
>>
>>> As english isn't my native language I'm not sure to find the right words.
>>> Manual says it "computes the width of an object" (see:
>>> http://lilypond.org/doc/v2.19/Documentation/extending/callback-functions.html
>>> ).
>>> With "my" words I'd say that it'll help you to add or reduce the space
>>> before and/or after a grob.
>>>
>>> Cheers,
>>> Pierre
>>>
>>> 2015-02-06 20:08 GMT+01:00 James Worlton <jworl...@gmail.com>:
>>>
>>>> Thanks, Pierre. That's exactly what I'm looking for. So what does the
>>>> ParenthesesItem X-extent do?
>>>>
>>>> James W
>>>>
>>>> On Fri, Feb 6, 2015 at 12:49 PM, Pierre Perol-Schneider <
>>>> pierre.schneider.pa...@gmail.com> wrote:
>>>>
>>>>> Hi James,
>>>>>
>>>>> I understand the idea but I thing you missunderstand the X-extent
>>>>> effect.
>>>>> If I follow you, you'd rather extent the note head.
>>>>> So here it goes :
>>>>>
>>>>> \version "2.19.15"
>>>>>
>>>>> parenWider = {
>>>>> \once\override NoteHead.X-extent = #'(-1.5 . 1.3)
>>>>> \once\override Accidental.X-extent = #'(1.5 . 0)
>>>>> \once\override Accidental.extra-offset = #'(1.5 . 0)
>>>>> }
>>>>>
>>>>> \score {
>>>>> \new Staff { \parenWider \parenthesize fis'4 }
>>>>> }
>>>>>
>>>>> HTH,
>>>>> Pierre
>>>>>
>>>>
>> Thanks for pointing that out. I think I understand it.
>>
>> A problem I've now encountered is that the 3 overrides in your solution
>> make ledger lines longer towards the accidental. Neither of the overrides
>> I've tried adding to the parenWider definition make any difference:
>>
>> \once \override Staff.LedgerLineSpanner.X-extent = #'(1.5 . 0) %various
>> values, both positive and negative have no effect
>>
>> or
>>
>> \once \override Staff.LedgerLineSpanner.length-fraction = 0.1 %various
>> values, both positive and negative have no effect
>>
>> Is there something I'm missing regarding how to override ledger lines?
>>
>> James W
>>
>
>
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