3 startGroup = #(make-span-event 'NoteGroupingEvent START)
4 stopGroup = #(make-span-event 'NoteGroupingEvent STOP)
7 cr = #(make-span-event 'CrescendoEvent START)
8 decr = #(make-span-event 'DecrescendoEvent START)
9 enddecr = #(make-span-event 'DecrescendoEvent STOP)
10 endcr = #(make-span-event 'CrescendoEvent STOP)
13 startTextSpan = #(make-span-event 'TextSpanEvent START)
14 stopTextSpan = #(make-span-event 'TextSpanEvent STOP)
17 startTrillSpan = #(make-span-event 'TrillSpanEvent START)
18 stopTrillSpan = #(make-span-event 'TrillSpanEvent STOP)
23 #(ly:export (make-event-chord (list cr)))
24 \set crescendoText = \markup { \italic "cresc." }
25 \set crescendoSpanner = #'dashed-line
30 #(ly:export (make-event-chord (list decr)))
32 \set decrescendoText = \markup { \italic "dim." }
33 \set decrescendoSpanner = #'dashed-line
37 #(ly:export (make-event-chord (list enddecr)))
38 \unset decrescendoText
39 \unset decrescendoSpanner
42 % ah, this is handy: maybe drop resetting of properties in
45 #(ly:export (make-event-chord (list endcr)))
47 \unset crescendoSpanner
53 \set crescendoText = \markup { \italic "cresc." }
54 \set crescendoSpanner = #'dashed-line
58 \set decrescendoText = \markup { \italic "decr." }
59 \set decrescendoSpanner = #'dashed-line
63 \set decrescendoText = \markup { \italic "dim." }
64 \set decrescendoSpanner = #'dashed-line
68 \unset crescendoSpanner
71 \unset decrescendoText
72 \unset decrescendoSpanner
75 \unset decrescendoText
76 \unset decrescendoSpanner
81 % better name sustainstart/stop?
82 sustainUp = #(make-span-event 'SustainEvent STOP)
83 sustainDown = #(make-span-event 'SustainEvent START)
85 unaCorda = #(make-span-event 'UnaCordaEvent START)
86 treCorde = #(make-span-event 'UnaCordaEvent STOP)
88 sostenutoDown = #(make-span-event 'SostenutoEvent START)
89 sostenutoUp = #(make-span-event 'SostenutoEvent STOP)
91 %crescpoco = \set crescendoText = "cresc. poco a poco"
92 %decresc = \set crescendoText = "decr."
93 %dim = \set crescendoText = "dim."
96 % for regression testing purposes.
98 #(def-music-function (parser location l r) (pair? pair?)
99 (let* ((f (check-quant-callbacks l r)))
102 \once \override Beam #'position-callbacks = $f
107 % for regression testing purposes.
109 #(def-music-function (parser location comp) (procedure?)
110 (let* ((f (check-slope-callbacks comp)))
113 \once \override Beam #'position-callbacks = $f