%%%% 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 "2.16.0"
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
(_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 name property arg)
+ (symbol-list? symbol? list?)
+ (_i "Override @var{property} for pieces of broken spanner @var{name} with
+values @var{arg}.")
+ ;; only apply override if grob is a spanner
+ (let ((description
+ (assoc-get (last name) all-grob-descriptions)))
+ (if (and description
+ (member 'spanner-interface
+ (assoc-get 'interfaces
+ (assoc-get 'meta description))))
+ #{
+ \override $name $property =
+ #(value-for-spanner-piece arg)
+ #}
+ (begin
+ (ly:input-warning location (_ "not a spanner name, `~a'") name)
+ (make-music 'SequentialMusic 'void #t)))))
+
appendToTag =
#(define-music-function (parser location tag more music)
(symbol? ly:music? ly:music?)
#(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?)
\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
(parser location name) (string?)
(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}.")
overrideProperty =
#(define-music-function (parser location name property value)
- (string? symbol? scheme?)
+ (symbol-list? symbol? 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\"}.")
-
- (let ((name-components (string-split name #\.))
- (context-name 'Bottom)
- (grob-name #f))
+The @var{name} argument is a symbol list of the form @code{Context.GrobName}
+or @code{GrobName}.")
+ (if (<= 1 (length name) 2)
+ (make-music 'ApplyOutputEvent
+ 'context-type (if (null? (cdr name)) 'Bottom
+ (car name))
+ 'procedure
+ (lambda (grob orig-context context)
+ (if (equal?
+ (cdr (assoc 'name (ly:grob-property grob 'meta)))
+ (last name))
+ (set! (ly:grob-property grob property) value))))
+ (begin
+ (ly:parser-error parser (_ "bad grob name") location)
+ (make-music 'Music))))
+
- (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))))))
(cons* 'push
(ly:music-property m 'symbol)
(ly:music-property m 'grob-value)
- (ly:music-property m 'grob-property-path)))
+ (cond
+ ((ly:music-property m 'grob-property #f) => list)
+ (else
+ (ly:music-property m 'grob-property-path)))))
((RevertProperty)
(cons* 'pop
(ly:music-property m 'symbol)
- (ly:music-property m 'grob-property-path)))))
+ (cond
+ ((ly:music-property m 'grob-property #f) => list)
+ (else
+ (ly:music-property m 'grob-property-path)))))))
(case (ly:music-property m 'name)
((ApplyContext)
(ly:add-context-mod mods
mods))
shape =
-#(define-music-function (parser location grob offsets)
- (string? list?)
- (_i "Offset control-points of @var{grob} 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.")
- (define ((shape-curve offsets) grob)
+#(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) '()))
(if (>= total-found 2)
(helper siblings offsets)
(offset-control-points (car offsets)))))
-
- #{
- \once \override $grob #'control-points = #(shape-curve 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)
(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}.")
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))
(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?)
(ly:music-property music 'tweaks)))
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?)
(_i "Force any @code{\\repeat volta}, @code{\\repeat tremolo} or
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