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2.1.24 PianoStaff

Just like GrandStaff, but the staves are only removed together, never separately.

This context also accepts commands for the following context(s):

GrandStaff.

This context creates the following layout object(s):

Arpeggio, InstrumentName, SpanBar, SpanBarStub, SystemStartBar, SystemStartBrace, SystemStartBracket, SystemStartSquare and VerticalAlignment.

This context sets the following properties:

• Set grob-property extra-spacing-width in DynamicText to #f.
• Set translator property instrumentName to '().
• Set translator property instrumentName to '().
• Set translator property localAlterations to '().
• Set translator property shortInstrumentName to '().
• Set translator property shortInstrumentName to '().
• Set translator property systemStartDelimiter to 'SystemStartBrace.
• Set translator property topLevelAlignment to #f.
• Set translator property topLevelAlignment to #f.

This is not a ‘Bottom’ context; search for such a one will commence after creating an implicit context of type Staff.

Context PianoStaff can contain ChordNames, DrumStaff, Dynamics, FiguredBass, Lyrics, RhythmicStaff, Staff and TabStaff.

This context is built from the following engraver(s):

Instrument_name_engraver

Create a system start text for instrument or vocal names.

Properties (read)

currentCommandColumn (graphical (layout) object)

Grob that is X-parent to all current breakable (clef, key signature, etc.) items.

instrumentName (markup)

The name to print left of a staff. The instrumentName property labels the staff in the first system, and the shortInstrumentName property labels following lines.

shortInstrumentName (markup)

See instrumentName.

shortVocalName (markup)

Name of a vocal line, short version.

vocalName (markup)

Name of a vocal line.

This engraver creates the following layout object(s):

InstrumentName.

Keep_alive_together_engraver

This engraver collects all Hara_kiri_group_spanners that are created in contexts at or below its own. These spanners are then tied together so that one will be removed only if all are removed. For example, if a StaffGroup uses this engraver, then the staves in the group will all be visible as long as there is a note in at least one of them.

Span_arpeggio_engraver

Make arpeggios that span multiple staves.

Properties (read)

connectArpeggios (boolean)

If set, connect arpeggios across piano staff.

This engraver creates the following layout object(s):

Arpeggio.

Span_bar_engraver

Make cross-staff bar lines: It catches all normal bar lines and draws a single span bar across them.

This engraver creates the following layout object(s):

SpanBar.

Span_bar_stub_engraver

Make stubs for span bars in all contexts that the span bars cross.

This engraver creates the following layout object(s):

SpanBarStub.

System_start_delimiter_engraver

Create a system start delimiter (i.e., a SystemStartBar, SystemStartBrace, SystemStartBracket or SystemStartSquare spanner).

Properties (read)

currentCommandColumn (graphical (layout) object)

Grob that is X-parent to all current breakable (clef, key signature, etc.) items.

systemStartDelimiter (symbol)

Which grob to make for the start of the system/staff? Set to SystemStartBrace, SystemStartBracket or SystemStartBar.

systemStartDelimiterHierarchy (pair)

A nested list, indicating the nesting of a start delimiters.

This engraver creates the following layout object(s):

SystemStartBar, SystemStartBrace, SystemStartBracket and SystemStartSquare.

Vertical_align_engraver

Catch groups (staves, lyrics lines, etc.) and stack them vertically.

Properties (read)

alignAboveContext (string)

Where to insert newly created context in vertical alignment.

alignBelowContext (string)

Where to insert newly created context in vertical alignment.

hasAxisGroup (boolean)

True if the current context is contained in an axis group.

This engraver creates the following layout object(s):

VerticalAlignment.

Vertical_align_engraver

Catch groups (staves, lyrics lines, etc.) and stack them vertically.

Properties (read)

alignAboveContext (string)

Where to insert newly created context in vertical alignment.

alignBelowContext (string)

Where to insert newly created context in vertical alignment.

hasAxisGroup (boolean)

True if the current context is contained in an axis group.

This engraver creates the following layout object(s):

VerticalAlignment.

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Internals Reference v2.21.0 (开发分支).