%%%% You should have received a copy of the GNU General Public License
%%%% along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
-\version "2.15.42"
+\version "2.16.0"
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
#(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) (string-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 string, 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 (string? item)
+ #{ \override $item #'transparent = ##t #}
+ #{ \tweak #'transparent ##t $item #}))
+
inStaffSegno =
#(define-music-function (parser location) ()
(_i "Put the segno variant 'varsegno' at this position into the staff,
(make-music 'RelativeOctaveCheck
'pitch pitch))
+omit =
+#(define-music-function (parser location item) (string-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 string, 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 (string? item)
+ #{ \override $item #'stencil = ##f #}
+ #{ \tweak #'stencil ##f $item #}))
+
once =
#(define-music-function (parser location music) (ly:music?)
(_i "Set @code{once} to @code{#t} on all layout instruction events in @var{music}.")
(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? string-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}.")
(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} are ignored and not converted.")
+ (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)))
+ (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 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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