[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #4983 \crossSt

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[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #4983 \crossStaff only hides default-style flags

Date:

Mon, 02 Jan 2017 15:29:43 +0000

Here a generic test-code:

\version "2.19.52"

\layout {
  \context {
    \PianoStaff
    \consists #Span_stem_engraver
  }
}

A = {
  <b d'>4 r d'16\> e'8. g8 r\!
  e'8 f' g'4 e'2
}

B = {
  \clef bass
  \voiceOne
  \autoBeamOff
  \crossStaff { <e g>4 e, g16 a8. c8 } 
  \once \override NoteHead.color = #cyan 
  d
  \autoBeamOn
  g8 f g4 c2
}

mus = 
<<
  \new Staff \A
  \new Staff \with { \override Flag.color = #red } \B
>>

\markup \wordwrap { 
    The cyan-colored note-head should have the specified flag-style, beamed
    cross-staff stems should have no flag at all.
}

\score {
  <<
    \new PianoStaff \with { instrumentName = "default"} \mus
    #@(map
        (lambda (flag)
          #{
            \new PianoStaff 
            \with { 
                \override Flag.stencil = #flag 
                instrumentName = #(format #f "~a" (procedure-name flag))
            } 
            \mus
          #})
        (list 
          modern-straight-flag
          old-straight-flag
          flat-flag
          mensural-flag
          normal-flag
          default-flag))
  >>
  \layout { indent = 40 }
}

While working on this I noticed wrong behaviour of graces:

Replace the above "B = ..." with

B = {
  \clef bass
  \voiceOne
  \autoBeamOff
  \crossStaff { <e g>4 e, g16 a8. \grace { c8 } c8 } 
  \once \override NoteHead.color = #cyan 
  d
  \autoBeamOn
  g8 f g4 c2
}

to see no Flag for the grace-note.

Worth another ticket.

[issues:#4983] \crossStaff only hides default-style flags

Status: Started
Created: Fri Oct 14, 2016 05:42 PM UTC by Simon Albrecht
Last Updated: Mon Jan 02, 2017 03:16 PM UTC
Owner: Thomas Morley

As reported by Gilberto Agostinho, the default behaviour of \crossStaff to automatically hide flags doesn’t work for styles other than the default.
https://lists.gnu.org/archive/html/bug-lilypond/2016-10/msg00028.html

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