1 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
3 (define-public (music-map function music)
4 "Apply @var{function} to @var{music} and all of the music it contains. "
5 (let* ((es (ly:get-mus-property music 'elements))
6 (e (ly:get-mus-property music 'element))
9 (ly:set-mus-property! music 'elements
10 (map (lambda (y) (music-map function y)) es))
12 (ly:set-mus-property! music 'element (music-map function e)))
16 (define-public (music-filter pred? music)
17 "Filter out music expressions that do not satisfy PRED."
19 (define (inner-music-filter pred? music)
21 (let* ((es (ly:get-mus-property music 'elements))
22 (e (ly:get-mus-property music 'element))
23 (as (ly:get-mus-property music 'articulations))
24 (filtered-as (filter ly:music? (map (lambda (y) (inner-music-filter pred? y)) as)))
25 (filtered-e (if (ly:music? e)
26 (inner-music-filter pred? e)
28 (filtered-es (filter ly:music? (map (lambda (y) (inner-music-filter pred? y)) es)))
31 (ly:set-mus-property! music 'element filtered-e)
32 (ly:set-mus-property! music 'elements filtered-es)
33 (ly:set-mus-property! music 'articulations filtered-as)
35 ;; if filtering emptied the expression, we remove it completely.
37 (and (eq? filtered-es '()) (not (ly:music? e))
38 (or (not (eq? es '()))
44 (set! music (inner-music-filter pred? music))
47 (make-music-by-name 'Music) ;must return music.
50 (define-public (remove-tag tag)
54 (let* ((tags (ly:get-mus-property m 'tags))
55 (res (memq tag tags)))
58 (define-public (display-music music)
59 "Display music, not done with music-map for clarity of presentation."
63 (let* ((es (ly:get-mus-property music 'elements))
64 (e (ly:get-mus-property music 'element))
67 (display (ly:get-mutable-properties music))
70 (begin (display "\nElements: {\n")
71 (map display-music es)
90 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
92 (define (shift-one-duration-log music shift dot)
93 " add SHIFT to ly:duration-log and optionally
94 a dot to any note encountered. This scales the music up by a factor
95 2^shift * (2 - (1/2)^dot)"
99 (d (ly:get-mus-property music 'duration))
103 (cp (ly:duration-factor d))
104 (nd (ly:make-duration (+ shift (ly:duration-log d))
105 (+ dot (ly:duration-dot-count d))
110 (ly:set-mus-property! music 'duration nd)
116 (define-public (shift-duration-log music shift dot)
117 (music-map (lambda (x) (shift-one-duration-log x shift dot))
121 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
124 (define-public (note-to-cluster music)
125 "Replace NoteEvents by ClusterNoteEvents."
126 (if (eq? (ly:get-mus-property music 'name) 'NoteEvent)
127 (let* ((cn (make-music-by-name 'ClusterNoteEvent)))
129 (ly:set-mus-property! cn 'pitch (ly:get-mus-property music 'pitch))
130 (ly:set-mus-property! cn 'duration (ly:get-mus-property music 'duration))
134 (define-public (notes-to-clusters music)
135 (music-map note-to-cluster music))
137 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
140 (define-public (unfold-repeats music)
142 This function replaces all repeats with unfold repeats. It was
143 written by Rune Zedeler. "
144 (let* ((es (ly:get-mus-property music 'elements))
145 (e (ly:get-mus-property music 'element))
146 (n (ly:music-name music)))
148 (if (equal? n "Repeated_music")
151 (ly:get-mus-property music 'iterator-ctor)
152 Chord_tremolo_iterator::constructor)
153 (shift-duration-log music (ly:intlog2 (ly:get-mus-property music 'repeat-count)) 0)
155 (ly:set-mus-property!
156 music 'length Repeated_music::unfolded_music_length)
157 (ly:set-mus-property!
158 music 'start-moment-function Repeated_music::first_start)
159 (ly:set-mus-property!
160 music 'iterator-ctor Unfolded_repeat_iterator::constructor)))
163 (ly:set-mus-property!
165 (map unfold-repeats es)))
168 (ly:set-mus-property!
175 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
176 ;; property setting music objs.
178 (define-public (make-grob-property-set grob gprop val)
180 "Make a Music expression that sets GPROP to VAL in GROB. Does a pop first,
181 i.e. this is not an override"
183 (let* ((m (make-music-by-name 'OverrideProperty)))
184 (ly:set-mus-property! m 'symbol grob)
185 (ly:set-mus-property! m 'grob-property gprop)
186 (ly:set-mus-property! m 'grob-value val)
187 (ly:set-mus-property! m 'pop-first #t)
192 (define-public (make-grob-property-override grob gprop val)
194 "Make a Music expression that sets GPROP to VAL in GROB. Does a pop first,
195 i.e. this is not an override"
197 (let* ((m (make-music-by-name 'OverrideProperty)))
198 (ly:set-mus-property! m 'symbol grob)
199 (ly:set-mus-property! m 'grob-property gprop)
200 (ly:set-mus-property! m 'grob-value val)
207 (define-public (make-grob-property-revert grob gprop)
208 "Revert the grob property GPROP for GROB."
209 (let* ((m (make-music-by-name 'OverrideProperty)))
210 (ly:set-mus-property! m 'symbol grob)
211 (ly:set-mus-property! m 'grob-property gprop)
217 (define direction-polyphonic-grobs
218 '(Tie Slur Script TextScript Stem Dots DotColumn))
220 (define-public (make-voice-props-set n)
221 (make-sequential-music
223 (map (lambda (x) (make-grob-property-set x 'direction
225 direction-polyphonic-grobs)
227 (make-grob-property-set 'NoteColumn 'horizontal-shift (quotient n 2))
228 (make-grob-property-set 'MultiMeasureRest 'staff-position
236 (define-public (make-voice-props-revert)
237 (make-sequential-music
239 (map (lambda (x) (make-grob-property-revert x 'direction))
240 direction-polyphonic-grobs)
242 (list (make-grob-property-revert 'NoteColumn 'horizontal-shift))
247 (define-public (context-spec-music m context . rest)
248 "Add \\context CONTEXT = foo to M. "
250 (let* ((cm (make-music-by-name 'ContextSpeccedMusic)))
251 (ly:set-mus-property! cm 'element m)
252 (ly:set-mus-property! cm 'context-type context)
253 (if (and (pair? rest) (string? (car rest)))
254 (ly:set-mus-property! cm 'context-id (car rest))
259 (define-public (make-apply-context func)
261 ((m (make-music-by-name 'ApplyContext)))
263 (ly:set-mus-property! m 'procedure func)
267 (define-public (make-sequential-music elts)
268 (let* ((m (make-music-by-name 'SequentialMusic)))
269 (ly:set-mus-property! m 'elements elts)
273 (define-public (make-simultaneous-music elts)
274 (let* ((m (make-music-by-name 'SimultaneousMusic)))
275 (ly:set-mus-property! m 'elements elts)
279 (define-public (make-event-chord elts)
280 (let* ((m (make-music-by-name 'EventChord)))
281 (ly:set-mus-property! m 'elements elts)
286 (define-public (make-skip-music dur)
287 (let* ((m (make-music-by-name 'SkipMusic)))
288 (ly:set-mus-property! m 'duration dur)
295 (define-public (make-multi-measure-rest duration location)
298 (start (make-music-by-name 'MultiMeasureRestEvent))
299 (ch (make-music-by-name 'BarCheck))
300 (ch2 (make-music-by-name 'BarCheck))
301 (seq (make-music-by-name 'MultiMeasureRestMusicGroup))
304 (map (lambda (x) (ly:set-mus-property! x 'origin location))
305 (list start ch ch2 seq))
306 (ly:set-mus-property! start 'duration duration)
307 (ly:set-mus-property! seq 'elements
310 (make-event-chord (list start))
317 (define-public (glue-mm-rest-texts music)
318 "Check if we have R1*4-\\markup { .. }, and if applicable convert to
319 a property set for MultiMeasureRestNumber."
321 (define (script-to-mmrest-text script-music)
322 "Extract 'direction and 'text from SCRIPT-MUSIC, and transform into property sets."
326 (text (ly:get-mus-property script-music 'text))
327 (dir (ly:get-mus-property script-music 'direction))
328 (p (make-music-by-name 'MultiMeasureTextEvent))
332 (ly:set-mus-property! p 'direction dir))
333 (ly:set-mus-property! p 'text text)
337 (if (eq? (ly:get-mus-property music 'name) 'MultiMeasureRestMusicGroup)
340 (text? (lambda (x) (memq 'script-event (ly:get-mus-property x 'types))))
341 (es (ly:get-mus-property music 'elements))
342 (texts (map script-to-mmrest-text (filter text? es)))
343 (others (remove text? es))
346 (ly:set-mus-property!
348 (cons (make-event-chord texts) others)
355 (define-public (make-property-set sym val)
358 (m (make-music-by-name 'PropertySet))
360 (ly:set-mus-property! m 'symbol sym)
361 (ly:set-mus-property! m 'value val)
367 (define-public (make-ottava-set octavation)
369 ((m (make-music-by-name 'ApplyContext)))
372 (define (ottava-modify context)
373 "Either reset centralCPosition to the stored original, or remember
374 old centralCPosition, add OCTAVATION to centralCPosition, and set
375 OTTAVATION to `8va', or whatever appropriate."
377 (if (number? (ly:get-context-property context 'centralCPosition))
381 ((where (ly:context-property-where-defined context 'centralCPosition))
382 (oc0 (ly:get-context-property context 'originalCentralCPosition)))
384 (ly:set-context-property! context 'centralCPosition oc0)
385 (ly:unset-context-property where 'originalCentralCPosition)
386 (ly:unset-context-property where 'ottavation))
389 ((where (ly:context-property-where-defined context 'centralCPosition))
390 (c0 (ly:get-context-property context 'centralCPosition))
391 (new-c0 (+ c0 (* -7 octavation)))
393 (assoc octavation '((2 . "15ma")
397 (-2 . "15ma bassa"))))))
399 (ly:set-context-property! context 'centralCPosition new-c0)
400 (ly:set-context-property! context 'originalCentralCPosition c0)
401 (ly:set-context-property! context 'ottavation string)
405 (ly:set-mus-property! m 'procedure ottava-modify)
406 (context-spec-music m 'Staff)
409 (define-public (set-octavation ottavation)
410 (ly:export (make-ottava-set ottavation)))
412 (define-public (make-time-signature-set num den . rest)
413 " Set properties for time signature NUM/DEN.
414 Rest can contain a list of beat groupings
420 (set1 (make-property-set 'timeSignatureFraction (cons num den) ))
421 (beat (ly:make-moment 1 den))
422 (len (ly:make-moment num den))
423 (set2 (make-property-set 'beatLength beat))
424 (set3 (make-property-set 'measureLength len))
425 (set4 (make-property-set 'beatGrouping (if (pair? rest)
428 (basic (list set1 set2 set3 set4)))
431 (make-sequential-music basic) 'Timing)))
433 (define-public (make-mark-set label)
434 "make the music for the \\mark command."
437 ((set (if (integer? label)
438 (context-spec-music (make-property-set 'rehearsalMark label)
441 (ev (make-music-by-name 'MarkEvent))
442 (ch (make-event-chord (list ev)))
447 (make-sequential-music (list set ch))
449 (ly:set-mus-property! ev 'label label)
454 (define-public (set-time-signature num den . rest)
455 (ly:export (apply make-time-signature-set `(,num ,den . ,rest))))
457 (define-public (make-penalty-music pen)
459 ((m (make-music-by-name 'BreakEvent)))
460 (ly:set-mus-property! m 'penalty pen)
463 (define-public (make-articulation name)
465 (m (make-music-by-name 'ArticulationEvent))
467 (ly:set-mus-property! m 'articulation-type name)
471 (define-public (make-lyric-event string duration)
472 (let* ((m (make-music-by-name 'LyricEvent)))
474 (ly:set-mus-property! m 'duration duration)
475 (ly:set-mus-property! m 'text string)
478 (define-public (make-span-event type spandir)
480 (m (make-music-by-name type))
482 (ly:set-mus-property! m 'span-direction spandir)
486 (define-public (set-mus-properties! m alist)
487 "Set all of ALIST as properties of M."
490 (ly:set-mus-property! m (caar alist) (cdar alist))
491 (set-mus-properties! m (cdr alist)))
496 (define-public (music-separator? m)
498 (let* ((ts (ly:get-mus-property m 'types )))
503 ;;; splitting chords into voices.
504 (define (voicify-list lst number)
505 "Make a list of Musics.
507 voicify-list :: [ [Music ] ] -> number -> [Music]
508 LST is a list music-lists.
512 (cons (context-spec-music
513 (make-sequential-music
515 (make-voice-props-set number)
516 (make-simultaneous-music (car lst))))
518 'Voice (number->string number))
519 (voicify-list (cdr lst) (1+ number))
523 (define (voicify-chord ch)
524 "Split the parts of a chord into different Voices using separator"
525 (let* ((es (ly:get-mus-property ch 'elements)))
527 (ly:set-mus-property! ch 'elements
528 (voicify-list (split-list es music-separator?) 0))
532 (define (voicify-music m)
533 "Recursively split chords that are separated with \\ "
535 (if (not (ly:music? m))
537 (error "not music!"))
540 ((es (ly:get-mus-property m 'elements))
541 (e (ly:get-mus-property m 'element))
544 (ly:set-mus-property! m 'elements (map voicify-music es)))
546 (ly:set-mus-property! m 'element (voicify-music e)))
548 (and (equal? (ly:music-name m) "Simultaneous_music")
549 (reduce (lambda (x y ) (or x y)) #f (map music-separator? es)))
550 (set! m (context-spec-music (voicify-chord m) 'Staff))
556 (define-public (empty-music)
557 (ly:export (make-music-by-name 'Music))
561 ; Make a function that checks score element for being of a specific type.
562 (define-public (make-type-checker symbol)
565 ;;(eq? #t (ly:get-grob-property elt symbol))
566 (not (eq? #f (memq symbol (ly:get-grob-property elt 'interfaces))))))
568 (define-public ((outputproperty-compatibility func sym val) grob g-context ao-context)
570 (ly:set-grob-property! grob sym val)))
573 (define-public ((set-output-property grob-name symbol val) grob grob-c context)
576 \\applyoutput #(set-output-property 'Clef 'extra-offset '(0 . 1))
581 ((meta (ly:get-grob-property grob 'meta)))
583 (if (equal? (cdr (assoc 'name meta)) grob-name)
584 (ly:set-grob-property! grob symbol val)
589 (define-public (smart-bar-check n)
590 "Make a bar check that checks for a specific bar number.
594 (m (make-music-by-name 'ApplyContext))
598 (let* ((bn (ly:get-context-property tr 'currentBarNumber)))
602 (format "Bar check failed, we should have reached ~a, instead at ~a\n"
606 (ly:set-mus-property! m 'procedure checker)
610 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
611 ;; warn for bare chords at start.
613 (define (has-request-chord elts)
614 (reduce (lambda (x y) (or x y)) #f (map (lambda (x) (equal? (ly:music-name x)
615 "Request_chord")) elts)
618 (define (ly:music-message music msg)
621 (ip (ly:get-mus-property music 'origin))
624 (if (ly:input-location? ip)
625 (ly:input-message ip msg)
629 (define (check-start-chords music)
630 "Check music expression for a Simultaneous_music containing notes\n(ie. Request_chords), without context specification. Called from parser."
633 ((es (ly:get-mus-property music 'elements))
634 (e (ly:get-mus-property music 'element))
635 (name (ly:music-name music))
639 ((equal? name "Context_specced_music") #t)
640 ((equal? name "Simultaneous_music")
642 (if (has-request-chord es)
643 (ly:music-message music "Starting score with a chord.\nPlease insert an explicit \\context before chord")
644 (map check-start-chords es)))
646 ((equal? name "Sequential_music")
648 (check-start-chords (car es))))
649 (else (if (ly:music? e) (check-start-chords e )))
657 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
659 ;; setting stuff for grace context.
662 (define (vector-extend v x)
663 "Make a new vector consisting of V, with X added to the end."
665 ((n (vector-length v))
666 (nv (make-vector (+ n 1) '())))
669 (vector-move-left! v 0 n nv 0)
674 (define (vector-map f v)
675 "Map F over V. This function returns nothing."
677 ((n (vector-length v))
681 (f (vector-ref v i))))
683 (define (vector-reverse-map f v)
684 "Map F over V, N to 0 order. This function returns nothing."
686 ((i (- (vector-length v) 1) (- i 1)))
689 (f (vector-ref v i))))
691 ;; TODO: make a remove-grace-property too.
692 (define-public (add-grace-property context-name grob sym val)
693 "Set SYM=VAL for GROB in CONTEXT-NAME. "
694 (define (set-prop context)
696 ((where (ly:context-property-where-defined context 'graceSettings))
697 (current (ly:get-context-property where 'graceSettings))
698 (new-settings (vector-extend current (list context-name grob sym val)))
700 (ly:set-context-property! where 'graceSettings new-settings)))
702 (ly:export (context-spec-music (make-apply-context set-prop) 'Voice)))
705 (define-public (set-start-grace-properties context)
706 (define (execute-1 x)
708 ((tr (ly:translator-find context (car x))))
711 (ly:context-pushpop-property tr (cadr x) (caddr x) (cadddr x))
715 ((props (ly:get-context-property context 'graceSettings)))
717 (vector-map execute-1 props))))
719 (define-public (set-stop-grace-properties context)
720 (define (execute-1 x)
722 ((tr (ly:translator-find context (car x))))
724 (ly:context-pushpop-property tr (cadr x) (caddr x))
728 ((props (ly:get-context-property context 'graceSettings)))
730 (vector-reverse-map execute-1 props))))
732 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
733 ;; switch it on here, so parsing and init isn't checked (too slow!)
735 ;; automatic music transformations.
737 (define (switch-on-debugging m)
738 (set-debug-cell-accesses! 15000)
741 (define-public toplevel-music-functions
743 ;; check-start-chords ; ; no longer needed with chord syntax.
745 (lambda (x) (music-map glue-mm-rest-texts x))
746 ; switch-on-debugging
755 (define (apply-durations lyric-music durations)
756 (define (apply-duration music)
757 (if (and (not (equal? (ly:music-length music) ZERO-MOMENT))
758 (ly:duration? (ly:get-mus-property music 'duration)))
760 (ly:set-mus-property! music 'duration (car durations))
761 (set! durations (cdr durations))
764 (music-map apply-duration lyric-music))
767 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
771 (define-public ((add-balloon-text object-name text off) grob orig-context cur-context)
772 "Usage: see input/regression/balloon.ly "
774 ((meta (ly:get-grob-property grob 'meta))
775 (nm (if (pair? meta) (cdr (assoc 'name meta)) "nonexistant"))
776 (cb (ly:get-grob-property grob 'print-function)))
778 (if (equal? nm object-name)
780 (ly:set-grob-property! grob 'print-function Balloon_interface::print_function)
781 (ly:set-grob-property! grob 'balloon-original-callback cb)
782 (ly:set-grob-property! grob 'balloon-text text)
783 (ly:set-grob-property! grob 'balloon-text-offset off)
784 (ly:set-grob-property! grob 'balloon-text-props '((font-family . roman)))