\language "deutsch"

\include "default_style.ly"
\include "default_songinfo_style.ly"
\include "footer_with_songinfo.ly"

\include #(if (defined? 'customStyleOverridesFile) customStyleOverridesFile "void.ly")

#(set-default-paper-size songFormatAndSize)
#(set-global-staff-size globalSize)

\paper {
  property-defaults.fonts.serif = \songChordFont
  property-defaults.fonts.sans = \songLyricFont
  %annotate-spacing = ##t
  % spacing stuff
  two-sided = ##t
  inner-margin = 1.5\cm
  outer-margin = \songMargin
  binding-offset = 0\cm
  top-margin = \songMargin
  bottom-margin = \songMargin
  system-system-spacing = #'((basic-distance . 10) (padding . 1.5))
  markup-system-spacing = #'((basic-distance . 1))
  score-markup-spacing = #'((padding . 2))
  top-markup-spacing = #'((basic-distance . 0) (minimum-distance . 0) (padding . 0))
}

generalLayout = \layout {
  indent = #0
  \context {
    \Lyrics
    \override LyricText.font-size = #lyricSize
    \override StanzaNumber.font-size = #lyricSize
    \override StanzaNumber.font-family = #'sans
    \override LyricText.font-family = #'sans
    \override LyricExtender.minimum-length = 0
  }
  \context {
    \Staff
    \accidentalStyle modern
    \consists Merge_rests_engraver
  }
  \context {
    \Score
    \remove "Bar_number_engraver"
    \RemoveEmptyStaves
    \override VerticalAxisGroup.remove-first = ##t
    \overrideTimeSignatureSettings
      4/4               % timeSignatureFraction
      1/4               % baseMomentFraction
      #'(1 1 1 1)       % beatStructure
      #'()		% beamExceptions
    \overrideTimeSignatureSettings
      3/4               % timeSignatureFraction
      1/4               % baseMomentFraction
      #'(1 1 1 1)       % beatStructure
      #'()		% beamExceptions
  }
  \context {
    \Voice
    % ich will lines breaken wie ich will!
    \remove "Forbid_line_break_engraver"
    \override NoteHead.layer = 2
    \override Dots.layer = 2
    \override Stem.layer = 2
    \override Flag.layer = 2
    \override Beam.layer = 2
  }
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% kleine Helferlein:

textp = \lyricmode { \markup { \raise #1 \musicglyph #"rests.3" } }

% zweite Stimme alles grau
secondVoiceStyle = {
  \override NoteHead.color = #grey
  \override Dots.color = #grey
  \override Stem.color = #grey
  \override Flag.color = #grey
  \override Beam.color = #grey
  \override NoteHead.layer = 1
  \override Dots.layer = 1
  \override Stem.layer = 1
  \override Flag.layer = 1
  \override Beam.layer = 1
}

firstVoiceStyle = {
  \override NoteHead.color = #black
  \override Dots.color = #black
  \override Stem.color = #black
  \override Flag.color = #black
  \override Beam.color = #black
}

% Deprecated: einzelne Noten innerhalb von \secondVoiceStyle mit schwarzem statt grauem Kopf
schwarzkopf =
  #(define-music-function (parser location noten) (ly:music?)
    (begin (ly:warning "\\schwarzkopf brauchts nicht mehr, das kann ersatzlos weg!") noten))

romanStanza =
  #(define-music-function (parser location) ()
  #{ \override StanzaNumber.style = #'roman #})

override-stanza =
#(define-music-function (parser location stanzanumber) (number?)
#{
  \once \override StanzaNumber.forced-spacing = #stanzanumber % misuse property "forced-spacing" to override the stanzanumber
#}
)

stanza =
#(define-music-function (parser location stanzanumber) (number?)
#{
  \once \override StanzaNumber.layer = 23 % set this to signal that there is a real stanza and no repeat signs
  \applyContext
  #(lambda (context)
    (let* ((stanzanumber (ly:assoc-get 'forced-spacing (ly:context-grob-definition context 'StanzaNumber) stanzanumber))
           (stanzastyle (ly:assoc-get 'style (ly:context-grob-definition context 'StanzaNumber)))
           (formattedStanzaNumber (format #f (if (eq? stanzastyle 'roman) romanStanzaFormat stanzaFormat) stanzanumber)))
        (ly:context-set-property! context 'stanza formattedStanzaNumber)))
#}
)

ref = {
  \once \override StanzaNumber.layer = 23 % set this to signal that there is a real stanza and no repeat signs
  \set stanza = \refString
}

% prints a repStart Sign as stanza if the tag 'repeats is kept.
% if there was a stanza already set by the stanza function with StanzaNumber.layer = 23 we set that also as stanza.
repStartWithTag = \lyricmode {
  \tag #'repeats {
    \applyContext
    #(lambda (context)
      (let ((lastStanza (ly:context-property context 'stanza))
            (printLastStanza (= (ly:assoc-get 'layer (ly:context-grob-definition context 'StanzaNumber) 0) 23))
            (stanzaFontSeries (ly:assoc-get 'font-series (ly:context-grob-definition context 'StanzaNumber) 'normal)))
      (ly:context-set-property! context 'stanza
        (make-concat-markup
          (if printLastStanza
            (list (make-override-markup `(font-series . ,stanzaFontSeries) lastStanza) (make-hspace-markup 1) repStart)
            (list repStart)
            )))))
    \once \override StanzaNumber.font-series = #'normal
  }
}

repStopWithTag = \lyricmode {
  \tag #'repeats {
    \once \override StanzaNumber.font-series = #'normal
    \once \override StanzaNumber.direction = 1
    \set stanza = \markup { \repStop }
  }
}

rightHyphen = \lyricmode {
  \once \override StanzaNumber.font-series = #'normal
  \once \override StanzaNumber.direction = 1
  \set stanza = "-"
}

leftHyphen = \lyricmode {
  \once \override StanzaNumber.font-series = #'normal
  \set stanza = "-"
}

multiVerseSkips =
#(define-music-function (parser location skips) (number?)
  #{ \tag #'multiVerse { \repeat unfold #skips { \skip4 } } #})

alt =
#(define-music-function (parser location a b) (ly:music? ly:music?)
  #{ \tag #'firstVerse { #a } \tag #'multiVerse { #b } #})