%%%% You should have received a copy of the GNU General Public License
%%%% along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
-\version "2.15.18"
+\version "2.17.6"
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
(_i "Create an acciaccatura from the following music expression"))
%% keep these two together
-"instrument-definitions" = #'()
+instrument-definitions = #'()
addInstrumentDefinition =
#(define-void-function
(parser location name lst) (string? list?)
'elements (list (make-music 'PageTurnEvent
'break-permission 'allow))))
+alterBroken =
+#(define-music-function (parser location property arg item)
+ (symbol-list-or-symbol? list? symbol-list-or-music?)
+ (_i "Override @var{property} for pieces of broken spanner @var{item}
+with values @var{arg}. @var{item} may either be music in the form of
+a starting spanner event, or a symbol list in the form
+@samp{Context.Grob} or just @samp{Grob}. Iff @var{item} is in the
+form of a spanner event, @var{property} may also have the form
+@samp{Grob.property} for specifying a directed tweak.")
+ (if (ly:music? item)
+ (if (eq? (ly:music-property item 'span-direction) START)
+ #{ \tweak #property #(value-for-spanner-piece arg) #item #}
+ (begin
+ (ly:music-warning item (_ "not a spanner"))
+ item))
+ (let* ((p (check-grob-path item parser location
+ #:default 'Bottom
+ #:min 2
+ #:max 2))
+ (name (and p (second p)))
+ (description
+ (and name (assoc-get name all-grob-descriptions))))
+ (if (and description
+ (member 'spanner-interface
+ (assoc-get 'interfaces
+ (assoc-get 'meta description))))
+ #{
+ \override #item . #property =
+ #(value-for-spanner-piece arg)
+ #}
+ (begin
+ (ly:input-warning location (_ "not a spanner name, `~a'") name)
+ (make-music 'Music))))))
+
appendToTag =
#(define-music-function (parser location tag more music)
(symbol? ly:music? ly:music?)
cbn n))))))
bendAfter =
-#(define-music-function (parser location delta) (real?)
+#(define-event-function (parser location delta) (real?)
(_i "Create a fall or doit of pitch interval @var{delta}.")
(make-music 'BendAfterEvent
'delta-step delta))
bookOutputName =
#(define-void-function (parser location newfilename) (string?)
(_i "Direct output for the current book block to @var{newfilename}.")
- (set! book-filename newfilename))
+ (set! (paper-variable parser #f 'output-filename) newfilename))
bookOutputSuffix =
#(define-void-function (parser location newsuffix) (string?)
(_i "Set the output filename suffix for the current book block to
@var{newsuffix}.")
- (set! book-output-suffix newsuffix))
+ (set! (paper-variable parser #f 'output-suffix) newsuffix))
%% \breathe is defined as a music function rather than an event identifier to
%% ensure it gets useful input location information: as an event identifier,
(timesig (cons (ly:moment-main-numerator mlen)
(ly:moment-main-denominator mlen))))
#{
- \once \override Staff.TimeSignature #'stencil = #(lambda (grob)
- (grob-interpret-markup grob (format-compound-time args)))
+ \once \override Staff.TimeSignature.stencil = #(lambda (grob)
+ (grob-interpret-markup grob (format-compound-time args)))
\set Timing.timeSignatureFraction = $timesig
\set Timing.baseMoment = $beat
\set Timing.beatStructure = $beatGrouping
\set Timing.measureLength = $mlen
#} ))
+crossStaff =
+#(define-music-function (parser location notes) (ly:music?)
+ (_i "Create cross-staff stems")
+ #{
+ \temporary \override Stem.cross-staff = #cross-staff-connect
+ \temporary \override Flag.style = #'no-flag
+ $notes
+ \revert Stem.cross-staff
+ \revert Flag.style
+#})
cueClef =
#(define-music-function (parser location type) (string?)
(_i "Set the current cue clef to @var{type}.")
(make-cue-clef-set type))
+
cueClefUnset =
#(define-music-function (parser location) ()
(_i "Unset the current cue clef.")
#(define-music-function (parser location music) (ly:music?)
(_i "Terminate the next spanner prematurely after exactly one note
without the need of a specific end spanner.")
- (if (memq (ly:music-property music 'name) '(EventChord NoteEvent))
- (let* ((start-span-evs (filter (lambda (ev)
- (equal? (ly:music-property ev 'span-direction)
- START))
- (extract-typed-music music 'span-event)))
- (stop-span-evs
- (map (lambda (m)
- (let ((c (music-clone m)))
- (set! (ly:music-property c 'span-direction) STOP)
- c))
- start-span-evs))
- (end-ev-chord (make-music 'EventChord
- 'elements stop-span-evs))
- (total (make-music 'SequentialMusic
- 'elements (list music
- end-ev-chord))))
- total)
-
- (begin
- (ly:input-message location (_ "argument endSpanners is not an EventChord: ~a") music)
- music)))
-
-
+ (let* ((start-span-evs (filter (lambda (ev)
+ (equal? (ly:music-property ev 'span-direction)
+ START))
+ (extract-typed-music music 'span-event)))
+ (stop-span-evs
+ (map (lambda (m)
+ (let ((c (music-clone m)))
+ (set! (ly:music-property c 'span-direction) STOP)
+ c))
+ start-span-evs))
+ (end-ev-chord (make-music 'EventChord
+ 'elements stop-span-evs))
+ (total (make-music 'SequentialMusic
+ 'elements (list music
+ end-ev-chord))))
+ total))
+
+eventChords =
+#(define-music-function (parser location music) (ly:music?)
+ (_i "Compatibility function wrapping @code{EventChord} around
+isolated rhythmic events occuring since version 2.15.28, after
+expanding repeat chords @samp{q}.")
+ (event-chord-wrap! music parser))
featherDurations=
#(define-music-function (parser location factor argument) (ly:moment? ly:music?)
argument))
footnote =
-#(define-music-function (parser location text offset grob-name footnote)
- ((markup?) number-pair? (symbol? '()) markup?)
- (_i "Attach @var{text} at @var{offset} with @var{text} referring to
-@var{footnote}. If @var{text} is given as @code{\\default}, use
-autonumbering instead. Note that, for this to take effect,
-auto-numbering must be turned on in the paper block. Otherwise, no
-number will appear. Footnotes are applied like articulations. If a
-symbol @var{grob-name} is specified, all grobs of that kind at the
-current time step are affected.")
- (make-music
- 'FootnoteEvent
- 'X-offset (car offset)
- 'Y-offset (cdr offset)
- 'automatically-numbered (not text)
- 'text (or text (make-null-markup))
- 'footnote-text footnote
- 'symbol grob-name))
+#(define-music-function (parser location mark offset footnote item)
+ ((markup?) number-pair? markup? symbol-list-or-music?)
+ (_i "Make the markup @var{footnote} a footnote on @var{item}. The
+footnote is marked with a markup @var{mark} moved by @var{offset} with
+respect to the marked music.
+
+If @var{mark} is not given or specified as @var{\\default}, it is
+replaced by an automatically generated sequence number. If @var{item}
+is a symbol list of form @samp{Grob} or @samp{Context.Grob}, then
+grobs of that type will be marked at the current time step in the
+given context (default @code{Bottom}).
+
+If @var{item} is music, the music will get a footnote attached to a
+grob immediately attached to the event, like @var{\\tweak} does. For
+attaching a footnote to an @emph{indirectly} caused grob, write
+@code{\\single\\footnote}, use @var{item} to specify the grob, and
+follow it with the music to annotate.
+
+Like with @code{\\tweak}, if you use a footnote on a following
+post-event, the @code{\\footnote} command itself needs to be attached
+to the preceding note or rest as a post-event with @code{-}.")
+ (let ((mus (make-music
+ 'FootnoteEvent
+ 'X-offset (car offset)
+ 'Y-offset (cdr offset)
+ 'automatically-numbered (not mark)
+ 'text (or mark (make-null-markup))
+ 'footnote-text footnote)))
+ (if (ly:music? item)
+ #{ \tweak footnote-music #mus #item #}
+ #{ \once\override $item #'footnote-music = #mus #})))
grace =
#(def-grace-function startGraceMusic stopGraceMusic
descriptions)))
harmonicByFret = #(define-music-function (parser location fret music) (number? ly:music?)
- (_i "Convert @var{music} into harmonics; the resulting notes resemble
-harmonics played on a fretted instrument by touching the strings above @var{fret}.")
- (let* ((fret (number->string fret))
- (pitch (fret->pitch fret)))
- (make-sequential-music
- (list
- #{
- \override TabNoteHead #'stencil = #(tab-note-head::print-custom-fret-label fret)
- #}
- (make-harmonic
- (calc-harmonic-pitch pitch music))
- #{
- \revert TabNoteHead #'stencil
- #}))))
+ (_i "Convert @var{music} into mixed harmonics; the resulting notes resemble
+harmonics played on a fretted instrument by touching the strings at @var{fret}.")
+ #{
+ \set harmonicDots = ##t
+ \temporary \override TabNoteHead.stencil = #(tab-note-head::print-custom-fret-label (number->string fret))
+ \temporary \override NoteHead.Y-extent = #(ly:make-unpure-pure-container ly:grob::stencil-height
+ (lambda (grob start end)
+ (ly:grob::stencil-height grob)))
+ \temporary \override NoteHead.stencil = #(lambda (grob) (ly:grob-set-property! grob 'style 'harmonic-mixed)
+ (ly:note-head::print grob))
+ $(make-harmonic
+ (calc-harmonic-pitch (fret->pitch (number->string fret)) music))
+ \unset harmonicDots
+ \revert TabNoteHead.stencil
+ \revert NoteHead.Y-extent
+ \revert NoteHead.stencil
+ #})
harmonicByRatio = #(define-music-function (parser location ratio music) (number? ly:music?)
- (_i "Convert @var{music} into harmonics; the resulting notes resemble
-harmonics played on a fretted instrument by touching the strings above the point
+ (_i "Convert @var{music} into mixed harmonics; the resulting notes resemble
+harmonics played on a fretted instrument by touching the strings at the point
given through @var{ratio}.")
- (let ((pitch (ratio->pitch ratio))
- (fret (ratio->fret ratio)))
- (make-sequential-music
- (list
- #{
- \override TabNoteHead #'stencil = #(tab-note-head::print-custom-fret-label fret)
- #}
- (make-harmonic
- (calc-harmonic-pitch pitch music))
- #{
- \revert TabNoteHead #'stencil
- #}))))
+ #{
+ \set harmonicDots = ##t
+ \temporary \override TabNoteHead.stencil = #(tab-note-head::print-custom-fret-label (ratio->fret ratio))
+ \temporary \override NoteHead.Y-extent = #(ly:make-unpure-pure-container ly:grob::stencil-height
+ (lambda (grob start end)
+ (ly:grob::stencil-height grob)))
+ \temporary \override NoteHead.stencil = #(lambda (grob) (ly:grob-set-property! grob 'style 'harmonic-mixed)
+ (ly:note-head::print grob))
+ $(make-harmonic
+ (calc-harmonic-pitch (ratio->pitch ratio) music))
+ \unset harmonicDots
+ \revert TabNoteHead.stencil
+ \revert NoteHead.Y-extent
+ \revert NoteHead.stencil
+ #})
+
+hide =
+#(define-music-function (parser location item) (symbol-list-or-music?)
+ (_i "Set @var{item}'s @samp{transparent} property to @code{#t},
+making it invisible while still retaining its dimensions.
+
+If @var{item} is a symbol list of form @code{GrobName} or
+@code{Context.GrobName}, the result is an override for the grob name
+specified by it. If @var{item} is a music expression, the result is
+the same music expression with an appropriate tweak applied to it.")
+ (if (ly:music? item)
+ #{ \tweak transparent ##t $item #}
+ #{ \override $item #'transparent = ##t #}))
+
+inStaffSegno =
+#(define-music-function (parser location) ()
+ (_i "Put the segno variant 'varsegno' at this position into the staff,
+compatible with the repeat command.")
+ (make-music 'ApplyContext
+ 'procedure
+ (lambda (ctx)
+ (let ((score-ctx (ly:context-find ctx 'Score)))
+ (if (ly:context? score-ctx)
+ (let ((old-rc (ly:context-property score-ctx 'repeatCommands '())))
+ (if (eq? (memq 'segno-display old-rc) #f)
+ (ly:context-set-property! score-ctx 'repeatCommands (cons 'segno-display old-rc)))))))))
instrumentSwitch =
#(define-music-function
keepWithTag =
-#(define-music-function (parser location tag music) (symbol? ly:music?)
- (_i "Include only elements of @var{music} that are tagged with @var{tag}.")
+#(define-music-function (parser location tag music)
+ (symbol-list-or-symbol? ly:music?)
+ (_i "Include only elements of @var{music} that are either untagged
+or tagged with one of the tags in @var{tag}. @var{tag} may be either
+a single symbol or a list of symbols.")
(music-filter
- (lambda (m)
- (let* ((tags (ly:music-property m 'tags))
- (res (memq tag tags)))
- (or
- (eq? tags '())
- res)))
+ (if (symbol? tag)
+ (lambda (m)
+ (let ((music-tags (ly:music-property m 'tags)))
+ (or (null? music-tags)
+ (memq tag music-tags))))
+ (lambda (m)
+ (let ((music-tags (ly:music-property m 'tags)))
+ (or (null? music-tags)
+ (any (lambda (t) (memq t music-tags)) tag)))))
music))
key =
(make-music 'RelativeOctaveCheck
'pitch pitch))
+omit =
+#(define-music-function (parser location item) (symbol-list-or-music?)
+ (_i "Set @var{item}'s @samp{stencil} property to @code{#f},
+effectively omitting it without taking up space.
+
+If @var{item} is a symbol list of form @code{GrobName} or
+@code{Context.GrobName}, the result is an override for the grob name
+specified by it. If @var{item} is a music expression, the result is
+the same music expression with an appropriate tweak applied to it.")
+ (if (ly:music? item)
+ #{ \tweak stencil ##f $item #}
+ #{ \override $item #'stencil = ##f #}))
+
once =
#(define-music-function (parser location music) (ly:music?)
(_i "Set @code{once} to @code{#t} on all layout instruction events in @var{music}.")
(override-time-signature-setting time-signature setting)))
overrideProperty =
-#(define-music-function (parser location name property value)
- (string? symbol? scheme?)
+#(define-music-function (parser location grob-property-path value)
+ (symbol-list? scheme?)
- (_i "Set @var{property} to @var{value} in all grobs named @var{name}.
-The @var{name} argument is a string of the form @code{\"Context.GrobName\"}
-or @code{\"GrobName\"}.")
+ (_i "Set the grob property specified by @var{grob-property-path} to
+@var{value}. @var{grob-property-path} is a symbol list of the form
+@code{Context.GrobName.property} or @code{GrobName.property}, possibly
+with subproperties given as well.")
+ (let ((p (check-grob-path grob-property-path parser location
+ #:default 'Bottom
+ #:min 3)))
+ (if p
+ (make-music 'ApplyOutputEvent
+ 'context-type (first p)
+ 'procedure
+ (lambda (grob orig-context context)
+ (if (equal?
+ (cdr (assoc 'name (ly:grob-property grob 'meta)))
+ (second p))
+ (if (null? (cdddr p))
+ (ly:grob-set-property! grob (caddr p) value)
+ (ly:grob-set-nested-property!
+ grob (cddr p) value)))))
+ (make-music 'Music))))
- (let ((name-components (string-split name #\.))
- (context-name 'Bottom)
- (grob-name #f))
- (if (> 2 (length name-components))
- (set! grob-name (string->symbol (car name-components)))
- (begin
- (set! grob-name (string->symbol (list-ref name-components 1)))
- (set! context-name (string->symbol (list-ref name-components 0)))))
- (make-music 'ApplyOutputEvent
- 'context-type context-name
- 'procedure
- (lambda (grob orig-context context)
- (if (equal?
- (cdr (assoc 'name (ly:grob-property grob 'meta)))
- grob-name)
- (set! (ly:grob-property grob property) value))))))
")
(let* ((voices (apply circular-list (make-list (length voice-ids) (list))))
(current-voices voices)
- (current-sequence (list)))
+ (current-sequence (list))
+ (original music)
+ (wrapper #f))
;;
;; utilities
(define (push-music m)
(let ((origins (remove not (map music-origin
(ly:music-property music 'elements)))))
(and (not (null? origins)) (car origins)))))))
+ (while (music-is-of-type? music 'music-wrapper-music)
+ (set! wrapper music)
+ (set! music (ly:music-property wrapper 'element)))
+ (if wrapper
+ (set! (ly:music-property wrapper 'element)
+ (make-music 'SequentialMusic
+ 'origin location))
+ (set! original
+ (make-music 'SequentialMusic
+ 'origin location)))
;;
;; first, split the music and fill in voices
;; We flatten direct layers of SequentialMusic since they are
;; bind voice identifiers to the voices
(for-each (lambda (voice-id voice)
(ly:parser-define! parser voice-id
- (make-music 'SequentialMusic
- 'origin location
- 'elements voice)))
+ (let ((v (ly:music-deep-copy original)))
+ (set! (ly:music-property
+ (car (extract-named-music
+ v 'SequentialMusic))
+ 'elements) voice)
+ v)))
voice-ids voices)))
parenthesize =
'element music))
removeWithTag =
-#(define-music-function (parser location tag music) (symbol? ly:music?)
- (_i "Remove elements of @var{music} that are tagged with @var{tag}.")
+#(define-music-function (parser location tag music)
+ (symbol-list-or-symbol? ly:music?)
+ (_i "Remove elements of @var{music} that are tagged with one of the
+tags in @var{tag}. @var{tag} may be either a single symbol or a list
+of symbols.")
(music-filter
- (lambda (m)
- (let* ((tags (ly:music-property m 'tags))
- (res (memq tag tags)))
- (not res)))
+ (if (symbol? tag)
+ (lambda (m)
+ (not (memq tag (ly:music-property m 'tags))))
+ (lambda (m)
+ (let ((music-tags (ly:music-property m 'tags)))
+ (or (null? music-tags)
+ (not (any (lambda (t) (memq t music-tags)) tag))))))
music))
resetRelativeOctave =
(revert-time-signature-setting time-signature))
rightHandFinger =
-#(define-music-function (parser location finger) (number-or-string?)
+#(define-event-function (parser location finger) (number-or-string?)
(_i "Apply @var{finger} as a fingering indication.")
(make-music
(list 'unset
(ly:music-property m 'symbol)))
((OverrideProperty)
- (list 'push
- (ly:music-property m 'symbol)
- (ly:music-property m 'grob-property-path)
- (ly:music-property m 'grob-value)))
+ (cons* 'push
+ (ly:music-property m 'symbol)
+ (ly:music-property m 'grob-value)
+ (cond
+ ((ly:music-property m 'grob-property #f) => list)
+ (else
+ (ly:music-property m 'grob-property-path)))))
((RevertProperty)
- (list 'pop
- (ly:music-property m 'symbol)
- (ly:music-property m 'grob-property-path)))))
+ (cons* 'pop
+ (ly:music-property m 'symbol)
+ (cond
+ ((ly:music-property m 'grob-property #f) => list)
+ (else
+ (ly:music-property m 'grob-property-path)))))))
(case (ly:music-property m 'name)
- ((SequentialMusic SimultaneousMusic)
- (for-each musicop (ly:music-property m 'elements)))
+ ((ApplyContext)
+ (ly:add-context-mod mods
+ (list 'apply
+ (ly:music-property m 'procedure))))
((ContextSpeccedMusic)
(if (or (not ctx)
(eq? ctx (ly:music-property m 'context-type)))
- (musicop (ly:music-property m 'element)))))))
+ (musicop (ly:music-property m 'element))))
+ (else
+ (let ((callback (ly:music-property m 'elements-callback)))
+ (if (procedure? callback)
+ (for-each musicop (callback m))))))))
(musicop music)
mods))
+shape =
+#(define-music-function (parser location offsets item)
+ (list? symbol-list-or-music?)
+ (_i "Offset control-points of @var{item} by @var{offsets}. The
+argument is a list of number pairs or list of such lists. Each
+element of a pair represents an offset to one of the coordinates of a
+control-point. If @var{item} is a string, the result is
+@code{\\once\\override} for the specified grob type. If @var{item} is
+a music expression, the result is the same music expression with an
+appropriate tweak applied.")
+ (define (shape-curve grob)
+ (let* ((orig (ly:grob-original grob))
+ (siblings (if (ly:spanner? grob)
+ (ly:spanner-broken-into orig) '()))
+ (total-found (length siblings))
+ (function (assoc-get 'control-points
+ (reverse (ly:grob-basic-properties grob))))
+ (coords (function grob)))
+
+ (define (offset-control-points offsets)
+ (if (null? offsets)
+ coords
+ (map
+ (lambda (x y) (coord-translate x y))
+ coords offsets)))
+
+ (define (helper sibs offs)
+ (if (pair? offs)
+ (if (eq? (car sibs) grob)
+ (offset-control-points (car offs))
+ (helper (cdr sibs) (cdr offs)))
+ coords))
+
+ ;; we work with lists of lists
+ (if (or (null? offsets)
+ (not (list? (car offsets))))
+ (set! offsets (list offsets)))
+
+ (if (>= total-found 2)
+ (helper siblings offsets)
+ (offset-control-points (car offsets)))))
+ (if (ly:music? item)
+ #{
+ \tweak control-points #shape-curve $item
+ #}
+ #{
+ \once \override $item #'control-points = #shape-curve
+ #}))
+
shiftDurations =
#(define-music-function (parser location dur dots arg)
(integer? integer? ly:music?)
(lambda (x)
(shift-one-duration-log x dur dots)) arg))
+single =
+#(define-music-function (parser location overrides music)
+ (ly:music? ly:music?)
+ (_i "Convert @var{overrides} to tweaks and apply them to @var{music}.
+This does not convert @code{\\revert}, @code{\\set} or @code{\\unset}
+and ignores nested overrides.")
+ (set! (ly:music-property music 'tweaks)
+ (fold-some-music
+ (lambda (m) (eq? (ly:music-property m 'name)
+ 'OverrideProperty))
+ (lambda (m tweaks)
+ (let ((p (cond
+ ((ly:music-property m 'grob-property #f) => list)
+ (else
+ (ly:music-property m 'grob-property-path)))))
+ (if (pair? (cdr p))
+ tweaks ;ignore nested properties
+ (acons (cons (ly:music-property m 'symbol) ;grob name
+ (car p)) ;grob property
+ (ly:music-property m 'grob-value)
+ tweaks))))
+ (ly:music-property music 'tweaks)
+ overrides))
+ music)
+
skip =
#(define-music-function (parser location dur) (ly:duration?)
(_i "Skip forward by @var{dur}.")
(_i "Set the system stretch, by reading the 'system-stretch property of
the `parameters' assoc list.")
#{
- \overrideProperty #"Score.NonMusicalPaperColumn"
- #'line-break-system-details
+ \overrideProperty Score.NonMusicalPaperColumn.line-break-system-details
#(list (cons 'alignment-extra-space (cdr (assoc 'system-stretch parameters)))
(cons 'system-Y-extent (cdr (assoc 'system-Y-extent parameters))))
#})
styledNoteHeads =
#(define-music-function (parser location style heads music)
- (symbol? list-or-symbol? ly:music?)
+ (symbol? symbol-list-or-symbol? ly:music?)
(_i "Set @var{heads} in @var{music} to @var{style}.")
(style-note-heads heads style music))
-
-
-tabChordRepetition =
-#(define-music-function (parser location) ()
- (_i "Include the string information in a chord repetition.")
- (ly:parser-set-repetition-function parser tab-repeat-chord)
- (make-music 'SequentialMusic 'void #t))
-
tag =
#(define-music-function (parser location tag arg) (symbol? ly:music?)
(ly:music-property arg 'tags)))
arg)
+temporary =
+#(define-music-function (parser location music)
+ (ly:music?)
+ (_i "Make any @code{\\override} in @var{music} replace an existing
+grob property value only temporarily, restoring the old value when a
+corresponding @code{\\revert} is executed. This is achieved by
+clearing the @samp{pop-first} property normally set on
+@code{\\override}s.
+
+An @code{\\override}/@/@code{\\revert} sequence created by using
+@code{\\temporary} and @code{\\undo} on the same music containing
+overrides will cancel out perfectly or cause a@tie{}warning.
+
+Non-property-related music is ignored, warnings are generated for any
+property-changing music that isn't an @code{\\override}.")
+ (define warned #f)
+ (for-some-music
+ (lambda (m)
+ (and (or (music-is-of-type? m 'layout-instruction-event)
+ (music-is-of-type? m 'context-specification)
+ (music-is-of-type? m 'apply-context)
+ (music-is-of-type? m 'time-signature-music))
+ (case (ly:music-property m 'name)
+ ((OverrideProperty)
+ (if (ly:music-property m 'pop-first #f)
+ (set! (ly:music-property m 'pop-first) '()))
+ (if (ly:music-property m 'once #f)
+ (set! (ly:music-property m 'once) '()))
+ #t)
+ ((ContextSpeccedMusic)
+ #f)
+ (else
+ (if (not warned)
+ (begin
+ (ly:input-warning location (_ "Cannot make ~a revertible")
+ (ly:music-property m 'name))
+ (set! warned #t)))
+ #t))))
+ music)
+ music)
+
time =
#(define-music-function (parser location beat-structure fraction)
((number-list? '()) fraction?)
'Staff))
tweak =
-#(define-music-function (parser location sym val arg)
- (symbol? scheme? ly:music?)
- (_i "Add @code{sym . val} to the @code{tweaks} property of @var{arg}.")
-
- (if (equal? (object-property sym 'backend-type?) #f)
- (begin
- (ly:input-warning location (_ "cannot find property type-check for ~a") sym)
- (ly:warning (_ "doing assignment anyway"))))
- (set!
- (ly:music-property arg 'tweaks)
- (acons sym val
- (ly:music-property arg 'tweaks)))
- arg)
-
+#(define-music-function (parser location prop value music)
+ (symbol-list-or-symbol? scheme? ly:music?)
+ (_i "Add a tweak to the following @var{music}.
+Layout objects created by @var{music} get their property @var{prop}
+set to @var{value}. If @var{prop} has the form @samp{Grob.property}, like with
+@example
+\\tweak Accidental.color #red cis'
+@end example
+an indirectly created grob (@samp{Accidental} is caused by
+@samp{NoteHead}) can be tweaked; otherwise only directly created grobs
+are affected.")
+ (if (symbol? prop)
+ (set! prop (list prop)))
+ (if (and (<= 1 (length prop) 2)
+ (object-property (last prop) 'backend-type?))
+ (set! (ly:music-property music 'tweaks)
+ (acons (apply cons* prop)
+ value
+ (ly:music-property music 'tweaks)))
+ (ly:input-warning location (_ "cannot find property type-check for ~a") prop))
+ music)
+undo =
+#(define-music-function (parser location music)
+ (ly:music?)
+ (_i "Convert @code{\\override} and @code{\\set} in @var{music} to
+@code{\\revert} and @code{\\unset}, respectively. Any reverts and
+unsets already in @var{music} cause a warning. Non-property-related music is ignored.")
+ (define warned #f)
+ (let loop
+ ((music music))
+ (let
+ ((lst
+ (fold-some-music
+ (lambda (m) (or (music-is-of-type? m 'layout-instruction-event)
+ (music-is-of-type? m 'context-specification)
+ (music-is-of-type? m 'apply-context)
+ (music-is-of-type? m 'time-signature-music)))
+ (lambda (m overrides)
+ (case (ly:music-property m 'name)
+ ((OverrideProperty)
+ (cons
+ (make-music 'RevertProperty
+ 'symbol (ly:music-property m 'symbol)
+ 'grob-property-path
+ (cond
+ ((ly:music-property m 'grob-property #f) => list)
+ (else
+ (ly:music-property m 'grob-property-path))))
+ overrides))
+ ((PropertySet)
+ (cons
+ (make-music 'PropertyUnset
+ 'symbol (ly:music-property m 'symbol))
+ overrides))
+ ((ContextSpeccedMusic)
+ (cons
+ (make-music 'ContextSpeccedMusic
+ 'element (loop (ly:music-property m 'element))
+ 'context-type (ly:music-property m 'context-type))
+ overrides))
+ (else
+ (if (not warned)
+ (begin
+ (ly:input-warning location (_ "Cannot revert ~a")
+ (ly:music-property m 'name))
+ (set! warned #t)))
+ overrides)))
+ '()
+ music)))
+ (cond
+ ((null? lst) (make-music 'Music))
+ ((null? (cdr lst)) (car lst))
+ (else (make-sequential-music lst))))))
unfoldRepeats =
#(define-music-function (parser location music) (ly:music?)
projects / lilypond.git / blobdiff