ChordNames

Typesets chord names.

This context creates the following layout objects:

ChordName, SeparatingGroupSpanner, SeparationItem, StaffSpacing, VerticalAxisGroup and VoltaBracket.

This context sets the following properties:

• Set grob-property remove-empty in VerticalAxisGroup to #t.
• Set grob-property remove-first in VerticalAxisGroup to #t.
• Set grob-property padding in SeparatingGroupSpanner to 0.8.
• Set grob-property minimum-Y-extent in VerticalAxisGroup to '(0 . 2.5).
• Set translator property voltaOnThisStaff to #f

This context is a `bottom' context; it can not contain other contexts.

This context is built from the following engravers:

Hara_kiri_engraver

Like Axis_group_engraver, but make a hara-kiri spanner, and add interesting items (ie. note heads, lyric syllables and normal rests)

Properties (read)

keepAliveInterfaces (list)

List of symbols, signifying grob interfaces that are worth keeping an staff with remove-empty set around for.

This engraver creates the following layout objects: VerticalAxisGroup.

Skip_event_swallow_translator

Swallow \skip.

Chord_name_engraver

Catch note-events and generate the appropriate chordname.

Music types accepted:

note-event

Properties (read)

chordChanges (boolean)

Only show changes in chords scheme?

chordNameExceptions (list)

An alist of chord exceptions. Contains (chord . markup) entries.

chordNameFunction (procedure)

The function that converts lists of pitches to chord names.

chordNoteNamer (procedure)

Function that converts from a pitch object to a text markup. Used for single pitches.

chordRootNamer (procedure)

Function that converts from a pitch object to a text markup. Used for chords.

chordNameExceptions (list)

An alist of chord exceptions. Contains (chord . markup) entries.

majorSevenSymbol (markup)

How should the major 7th be formatted in a chord name?

This engraver creates the following layout objects: ChordName.

Separating_line_group_engraver

Generates objects for computing spacing parameters.

Properties (read)

createSpacing (boolean)

Create StaffSpacing objects? Should be set for staves.

Properties (write)

breakableSeparationItem (layout object)

The breakable items in this time step, for this staff.

This engraver creates the following layout objects: SeparatingGroupSpanner, SeparationItem and StaffSpacing.

Output_property_engraver

Apply a procedure to any grob acknowledged.

Music types accepted:

apply-output-event

Rest_swallow_translator

Swallow rest

Volta_engraver

Make volta brackets.

Properties (read)

repeatCommands (list)

This property is read to find any command of the form (volta . x), where x is a string or #f

voltaSpannerDuration (moment)

This specifies the maximum duration to use for the brackets printed for \alternative. This can be used to shrink the length of brackets in the situation where one alternative is very large.

stavesFound (list of grobs)

list of all staff-symbols found.

This engraver creates the following layout objects: VoltaBracket.