1 ;;;; define-music-types.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2006 Han-Wen Nienhuys <hanwen@cs.uu.nl>
6 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
8 ;; TODO: should link back into user manual.
10 (define (mm-rest-child-list music)
11 "Check if we have R1*4-\\markup { .. }, and if applicable convert to
12 a property set for MultiMeasureRestNumber."
13 (let ((location (ly:music-property music 'origin))
14 (duration (ly:music-property music 'duration)))
15 (list (make-music 'BarCheck
17 (make-event-chord (cons (make-music 'MultiMeasureRestEvent
20 (ly:music-property music 'articulations)))
24 (define-public music-descriptions
28 (description . "Creates a dynamic mark.
30 Syntax: @var{note}@code{\\x},
31 where x is one of \\ppp, \\pp, \\p, \\mp, \\mf, \\f, \\ff, \\fff.")
32 (types . (general-music event dynamic-event absolute-dynamic-event))
36 (description . "Call the argument with the current context during interpreting phase")
37 (types . (general-music apply-context))
38 (iterator-ctor . ,ly:apply-context-iterator::constructor)
43 Call the argument with all current grobs during interpreting phase.
47 \\applyOutput #'Context FUNC
49 arguments to func are 1. the grob, 2. the originating context,
50 3. context where FUNC is called.
53 (types . (general-music event layout-instruction-event))
57 (description . "Make an arpeggio on this note.
60 @var{note}-@code{\\arpeggio}")
61 (types . (general-music arpeggio-event event))
64 ;; todo: use articulation-event for slur as well.
65 ;; separate non articulation scripts
68 (description . "Adds an articulation marking to a note.
71 @var{note}@code{X}@code{Y}, where X is a direction (up @code{^}, down
72 @code{_}, or LilyPond's choice (no direction specified)), and where Y
73 is an articulation (such as @code{-.}, @code{->}, @code{\\tenuto},
74 @code{\\downbow}). See the user manual for details.")
76 (types . (general-music event articulation-event script-event))
80 (description . "Used for making voices that switch between piano staves automatically.")
81 (iterator-ctor . ,ly:auto-change-iterator::constructor)
82 (start-callback . ,ly:music-wrapper::start-callback)
83 (length-callback . ,ly:music-wrapper::length-callback)
84 (types . (general-music music-wrapper-music auto-change-instruction))
89 "Check whether this music coincides with the start of the measure.")
90 (types . (general-music bar-check))
91 (iterator-ctor . ,ly:bar-check-iterator::constructor)
95 (description . "Print a bass-figure text")
97 (types . (general-music event rhythmic-event bass-figure-event))
101 (description . "Starts or stops a beam.
103 Syntax for manual control:
105 (types . (general-music event beam-event span-event))
109 . ((description . "A drop/fall/doit jazz articulation")
110 (types . (general-music bend-after-event event))))
114 (description . "Create a line break, Syntax: \\break or page break, Syntax: \\pagebreak.")
116 (types . (general-music break-event event))
120 (description . "Creates a `breath mark' or `comma'.
123 @var{note}\\breathe.")
125 (types . (general-music event breathing-event))
129 (description . "Change staffs in Piano staff.
131 Syntax @code{\\translator Staff = @var{new-id}}.")
132 (iterator-ctor . , ly:change-iterator::constructor)
133 (types . (general-music translator-change-instruction))
137 . ((description . "A note that is part of a cluster.")
139 ;; not a note-event, to ensure that Note_engraver doesn't eat it.
140 (types . (general-music cluster-note-event melodic-event rhythmic-event event))
145 (description . "Interpret the argument music within a specific context.")
146 (iterator-ctor . ,ly:context-specced-music-iterator::constructor)
147 (length-callback . ,ly:music-wrapper::length-callback)
148 (start-callback . ,ly:music-wrapper::start-callback)
149 (types . (context-specification general-music music-wrapper-music))
154 (description . "Begins or ends a crescendo.
156 Syntax: @var{note}\\cr
157 ... @var{note}\\rc (you can also use \\<, \\!, \\cresc, and
158 \\endcresc. See the user manual for details.).")
160 (types . (general-music dynamic-event crescendo-event event))
164 (description . "See @ref{CrescendoEvent}.")
166 (types . (general-music dynamic-event decrescendo-event event))
171 (description . "Extend lyrics.")
173 (types . (general-music extender-event event))
178 (description . "Atomic music event.")
179 (types . (general-music event))
184 (description . "Internally used to group a set of events.")
185 (iterator-ctor . ,ly:event-chord-iterator::constructor)
186 (length-callback . ,ly:music-sequence::maximum-length-callback)
187 (to-relative-callback . ,ly:music-sequence::event-chord-relative-callback)
188 (types . (general-music event-chord simultaneous-music))
194 (description . "Specify what finger to use for this note.")
195 (types . (general-music fingering-event event))
199 (description . "Specify that a note may not auto-beamed ")
200 (types . (general-music event beam-forbid-event))
204 (description . "Start a glissando on this note.")
205 (types . (general-music glissando-event event))
210 (description . "Interpret the argument as grace notes. ")
211 (start-callback . ,ly:grace-music::start-callback)
212 (length . ,ZERO-MOMENT)
213 (iterator-ctor . ,ly:grace-iterator::constructor)
214 (types . (grace-music music-wrapper-music general-music))
218 (description . "Start or stop grouping brackets.")
219 (types . (general-music event note-grouping-event))
223 (description . "Mark a note as harmonic")
224 (types . (general-music event harmonic-event))
228 (description . "A hyphen between lyric syllables.")
230 (types . (general-music hyphen-event event))
235 (description . "Change the key signature.
237 Syntax: @code{\\key } @var{name} @var{scale}.")
238 (to-relative-callback . ,(lambda (x p) p))
239 (types . (general-music key-change-event event))
242 . ((description . "Don't damp this chord.
244 Syntax: @var{note}\\laissezVibrer.")
246 (types . (general-music event laissez-vibrer-event))
250 (description . "Start or end a ligature.")
251 (span-type . ligature)
252 (types . (general-music span-event ligature-event event))
256 (description . "Allow, forbid or force a line break.")
257 (types . (general-music line-break-event break-event event))
262 (description . "Align lyrics to the start of notes.
264 Syntax @var{\\lyricsto }@var{voicename} @var{lyrics}.")
265 (length . ,ZERO-MOMENT)
266 (types . (general-music lyric-combine-music))
267 (iterator-ctor . ,ly:lyric-combine-music-iterator::constructor)
272 (description . "A lyric syllable. Must be entered in lyrics mode, i.e.
273 @code{\\lyrics @{ twinkle4 twinkle4 @} } .")
275 (types . (general-music rhythmic-event lyric-event event))
279 (description . "Insert a rehearsal mark.
281 Syntax: @code{\\mark} @var{marker},
282 e.g. @code{\\mark \"A\"}.")
284 (types . (general-music mark-event event))
288 (description . "Start or stop a melisma.
290 Syntax: @code{c4\\melisma d\\melismaEnd}.")
291 (types . (general-music melisma-span-event event))
294 (MultiMeasureRestMusic
296 (description . "Rests that may be compressed into Multi rests.
299 @code{R2.*4} for 4 measures in 3/4 time.")
300 (iterator-ctor . ,ly:sequential-iterator::constructor)
301 (elements-callback . ,mm-rest-child-list)
302 (types . (general-music multi-measure-rest))
305 (MultiMeasureRestEvent
307 (description . "Used internally by MultiMeasureRestMusic to signal rests")
308 (types . (general-music event rhythmic-event multi-measure-rest-event))
311 (MultiMeasureTextEvent
313 (description . "Texts on mm rests.
316 @code{R-\\markup @{ \\roman \"bla\" @}}. Note the explicit font switch.")
317 (types . (general-music event multi-measure-text-event))
322 (description . "Generic type for music expressions.")
324 (types . (general-music))
328 (description . "A note.")
329 (types . (general-music event note-event rhythmic-event melodic-event))
334 (description . "Extend the definition of a graphical object.
338 @code{\\override [ @var{Ctxt} . ] @var{Obj} @var{prop} = @var{val}}
340 (types . (general-music layout-instruction-event))
341 (iterator-ctor . ,ly:push-property-iterator::constructor)
345 (description . "Allow, forbid or force a page break.")
346 (types . (general-music break-event event))
350 (description . "Allow, forbid or force a page turn.")
351 (types . (general-music break-event event))
355 (description . "Combine two parts on a staff, either merged or
356 as separate voices.")
357 (length-callback . ,ly:music-sequence::maximum-length-callback)
358 (start-callback . ,ly:music-sequence::minimum-start-callback)
359 (types . (general-music part-combine-music))
360 (iterator-ctor . ,ly:part-combine-iterator::constructor)
364 (description . "Start or end phrasing slur.
366 Syntax NOTE \\( and \\) NOTE")
367 (types . (general-music span-event event phrasing-slur-event))
372 (description . "Set a context property.
374 Syntax: @code{\\property @var{context}.@var{prop} = @var{scheme-val}}.")
375 (types . (layout-instruction-event general-music))
376 (iterator-ctor . ,ly:property-iterator::constructor)
381 (description . "Remove the definition of a context @code{\\property}.")
383 (types . (layout-instruction-event general-music))
384 (iterator-ctor . ,ly:property-unset-iterator::constructor)
389 (description . "Used internally to signal percent repeats.")
390 (types . (general-music event percent-event))
395 (description . "Within a ligature, mark the previous and the
396 following note to form a pes (if melody goes up) or a flexa (if melody
399 (types . (general-music pes-or-flexa-event event))
404 (description . "Quote preprocessed snippets of music. ")
405 (iterator-ctor . ,ly:music-wrapper-iterator::constructor)
406 (length-callback . ,ly:music-wrapper::length-callback)
407 (start-callback . ,ly:music-wrapper::start-callback)
408 (types . (general-music music-wrapper-music))
412 . ((description . "Check if a pitch is in the correct octave.")
413 (to-relative-callback . ,ly:relative-octave-check::relative-callback)
414 (types . (general-music relative-octave-check))
419 (description . "Repeat music in different ways")
420 (types . (general-music repeated-music))
424 (description . "Ties for starting a second volta bracket.")
425 (types . (general-music event repeat-tie-event))
429 (description . "A Rest.
431 Syntax @code{r4} for a quarter rest. ")
433 (types . (general-music event rhythmic-event rest-event))
437 (description . "The opposite of @ref{OverrideProperty}: remove a
438 previously added property from a graphical object definition
441 (types . (general-music layout-instruction-event))
442 (iterator-ctor . , ly:pop-property-iterator::constructor)
447 (description . "Music expressions concatenated.
449 Syntax \\sequential @{..@} or simply @{..@} .")
451 (length-callback . ,ly:music-sequence::cumulative-length-callback)
452 (start-callback . ,ly:music-sequence::first-start-callback)
453 (elements-callback . ,(lambda (m) (ly:music-property m 'elements)))
454 (iterator-ctor . ,ly:sequential-iterator::constructor)
455 (types . (general-music sequential-music))
460 (description . "Print Solo.1")
461 (part-combine-status . solo1)
462 (types . (general-music event part-combine-event solo1-event))
466 (description . "Print Solo.2")
467 (part-combine-status . solo2)
468 (types . (general-music event part-combine-event solo2-event))
471 . ((description . "Print a2")
472 (part-combine-status . unisono)
473 (types . (general-music event part-combine-event unisono-event))))
477 (description . "Music playing together.
481 @code{ \\simultaneous @{ .. @}} or << .. >>.")
483 (iterator-ctor . ,ly:simultaneous-music-iterator::constructor)
484 (start-callback . ,ly:music-sequence::minimum-start-callback)
485 (length-callback . ,ly:music-sequence::maximum-length-callback)
486 (to-relative-callback . ,ly:music-sequence::simultaneous-relative-callback)
488 (types . (general-music simultaneous-music))
493 (description . "Start or end slur.
495 Syntax NOTE( and NOTE) ")
497 (types . (general-music span-event event slur-event))
501 . ((description . "Start or stop a staff symbol.")
502 (types . (general-music event span-event staff-span-event))
507 (description . "Start a text spanner like 8va.....|")
508 (types . (general-music span-event event text-span-event))
513 (description . "Start a trill spanner tr~~~")
514 (types . (general-music span-event event trill-span-event))
519 (description . "Music that has been transposed.")
520 (iterator-ctor . ,ly:music-wrapper-iterator::constructor)
521 (start-callback . ,ly:music-wrapper::start-callback)
522 (length-callback . ,ly:music-wrapper::length-callback)
523 (to-relative-callback . ,ly:relative-octave-music::no-relative-callback)
524 (types . (music-wrapper-music general-music transposed-music))
529 (description . "Multiply durations, as in tuplets.
531 Syntax @code{\\times @var{fraction} @var{music}}, e.g.
532 @code{\\times 2/3 @{ ... @}} for triplets.
534 (length-callback . ,ly:music-wrapper::length-callback)
535 (start-callback . ,ly:music-wrapper::start-callback)
536 (iterator-ctor . ,ly:time-scaled-music-iterator::constructor)
537 (types . (time-scaled-music music-wrapper-music general-music))
542 (description . "Used internally to signal where tuplet brackets start and stop.")
543 (types . (tuplet-span-event span-event event general-music))
548 (description . "Music that can not be converted from relative to absolute notation.
549 For example, transposed music.")
550 (to-relative-callback . ,ly:relative-octave-music::no-relative-callback)
551 (iterator-ctor . ,ly:music-wrapper-iterator::constructor)
552 (length-callback . ,ly:music-wrapper::length-callback)
553 (types . (music-wrapper-music general-music unrelativable-music))
558 (description . "Music that was entered in relative octave notation.")
559 (to-relative-callback . ,ly:relative-octave-music::relative-callback)
560 (iterator-ctor . ,ly:music-wrapper-iterator::constructor)
561 (length-callback . ,ly:music-wrapper::length-callback)
562 (start-callback . ,ly:music-wrapper::start-callback)
563 (types . (music-wrapper-music general-music relative-octave-music))
567 (description . "Add an articulation mark to a note. ")
569 (types . (general-music event))
574 (description . "Filler that takes up duration, does not print anything, and also
575 does not create staffs or voices implicitly.
579 Syntax: @code{\\skip }@var{duration}.")
580 (length-callback . ,ly:music-duration-length)
581 (iterator-ctor . ,ly:simple-music-iterator::constructor)
582 (types . (general-music event rhythmic-event skip-event))
587 (description . "Filler that takes up duration, but does not print anything.
591 Syntax: @code{s}@var{duration}")
593 (types . (general-music event rhythmic-event skip-event))
597 . ((description . "Start a new spacing section")
598 (types . (general-music event spacing-section-event))))
602 (description . "Event for anything that is started at a different time than stopped.")
604 (types . (general-music event))
609 (description . "Depress or release sustain pedal. ")
610 (types . (general-music event pedal-event sustain-pedal-event))
615 (description . "Depress or release sostenuto pedal. ")
616 (types . (general-music event pedal-event sostenuto-pedal-event))
621 (description . "Depress or release una-corda pedal.")
622 (types . (general-music event pedal-event una-corda-pedal-event))
627 (description . "Specify on which string to play this note.
629 Syntax: @code{\\@var{number}}.")
631 (types . (general-music string-number-event event))
634 (MetronomeChangeEvent
636 (description . "Change tempo setting (in beats per minute).")
637 (types . (general-music metronome-change-event tempo-event event))
643 (types . (general-music script-event text-script-event event))
647 (description . "A tie. Entered as @var{note}-~.")
648 (types . (general-music tie-event event))
652 (description . "Un measured tremolo.")
653 (types . (general-music event tremolo-event))
658 (description . "Tremolo over two stems")
659 (types . (general-music event span-event tremolo-span-event))
664 (description . "Separate polyphonic voices in simultaneous music.
666 Syntax: @code{\\\\}")
668 (types . (separator general-music))
673 (iterator-ctor . ,ly:volta-repeat-iterator::constructor)
675 (start-callback . ,ly:repeated-music::first-start)
676 (length-callback . ,ly:repeated-music::volta-music-length)
677 (types . (general-music repeated-music volta-repeated-music))
680 (UnfoldedRepeatedMusic
682 (iterator-ctor . ,ly:unfolded-repeat-iterator::constructor)
684 (start-callback . ,ly:repeated-music::first-start)
685 (types . (general-music repeated-music unfolded-repeated-music))
686 (length-callback . ,ly:repeated-music::unfolded-music-length)
688 (PercentRepeatedMusic
690 (description . "Repeats encoded by percents.")
691 (iterator-ctor . ,ly:percent-repeat-iterator::constructor)
692 (start-callback . ,ly:repeated-music::first-start)
693 (length-callback . ,ly:repeated-music::unfolded-music-length)
694 (types . (general-music repeated-music percent-repeated-music))
697 (TremoloRepeatedMusic
699 (iterator-ctor . ,ly:chord-tremolo-iterator::constructor)
700 (description . "Repeated notes denoted by tremolo beams.")
701 (start-callback . ,ly:repeated-music::first-start)
703 ;; the length of the repeat is handled by shifting the note logs
704 (length-callback . ,ly:repeated-music::folded-music-length)
705 (types . (general-music repeated-music tremolo-repeated-music))
711 (description . "Repeats with alternatives placed in parallel. ")
712 (iterator-ctor . ,ly:folded-repeat-iterator::constructor)
713 (start-callback . ,ly:repeated-music::minimum-start)
714 (length-callback . ,ly:repeated-music::folded-music-length)
715 (types . (general-music repeated-music folded-repeated-music))
719 (set! music-descriptions
720 (sort music-descriptions alist<?))
722 (define-public music-name-to-property-table (make-vector 59 '()))
725 ;; transport description to an object property.
729 (set-object-property! (car x)
731 (cdr (assq 'description (cdr x))))
733 (set! lst (assoc-set! lst 'name (car x)))
734 (set! lst (assq-remove! lst 'description))
735 (hashq-set! music-name-to-property-table (car x) lst)
739 (define-safe-public (make-music name . music-properties)
740 "Create a music object of given name, and set its properties
741 according to `music-properties', a list of alterning property symbols
743 (make-music 'OverrideProperty
745 'grob-property 'thickness
746 'grob-value (* 2 1.5))"
747 (if (not (symbol? name))
748 (ly:error (_ "symbol expected: ~S") name))
749 (let ((props (hashq-ref music-name-to-property-table name '())))
750 (if (not (pair? props))
751 (ly:error (_ "can't find music object: ~S") name))
752 (let ((m (ly:make-music props)))
753 (define (set-props mus-props)
754 (if (and (not (null? mus-props))
755 (not (null? (cdr mus-props))))
757 (set! (ly:music-property m (car mus-props)) (cadr mus-props))
758 (set-props (cddr mus-props)))))
759 (set-props music-properties)
762 (define-public (make-repeated-music name)
763 (let* ((handle (assoc name '(("volta" . VoltaRepeatedMusic)
764 ("unfold" . UnfoldedRepeatedMusic)
765 ("percent" . PercentRepeatedMusic)
766 ("tremolo" . TremoloRepeatedMusic)
767 ("fold" . FoldedRepeatedMusic))))
768 (music-name (if (pair? handle)
771 (ly:warning (_ "unknown repeat type `~S'") name)
772 (ly:warning (_ "See music-types.scm for supported repeats"))
773 'VoltaRepeatedMusic))))
774 (make-music music-name)))