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- <a name="internal-context-properties"></a>
- <h2 class="section">2.4 Internal context properties</h2>
- <dl compact="compact">
- <dt> <code>associatedVoiceContext</code> (context)</dt>
- <dd><p>The context object of the
- <code>Voice</code> that has the melody for this <code>Lyrics</code>.
- </p></dd>
- <dt> <code>barCheckLastFail</code> (moment)</dt>
- <dd><p>Where in the measure did the last
- barcheck fail?
- </p></dd>
- <dt> <code>beamMelismaBusy</code> (boolean)</dt>
- <dd><p>Signal if a beam is present.
- </p></dd>
- <dt> <code>busyGrobs</code> (list)</dt>
- <dd><p>A queue of <code>(<var>end-moment</var> .
- <var>grob</var>)</code> cons cells. This is for internal (C++) use only. This
- property contains the grobs which are still busy (e.g. note heads,
- spanners, etc.).
- </p></dd>
- <dt> <code>currentCommandColumn</code> (graphical (layout) object)</dt>
- <dd><p>Grob that is X-parent to all
- current breakable (clef, key signature, etc.) items.
- </p></dd>
- <dt> <code>currentMusicalColumn</code> (graphical (layout) object)</dt>
- <dd><p>Grob that is X-parent to all
- non-breakable items (note heads, lyrics, etc.).
- </p></dd>
- <dt> <code>dynamicAbsoluteVolumeFunction</code> (procedure)</dt>
- <dd><p>A procedure that takes
- one argument, the text value of a dynamic event, and returns the absolute
- volume of that dynamic event.
- </p></dd>
- <dt> <code>EventClasses</code> (list)</dt>
- <dd><p>The initial list of event classes.
- </p></dd>
- <dt> <code>finalizations</code> (list)</dt>
- <dd><p>A list of expressions to evaluate before
- proceeding to next time step. This is an internal variable.
- </p></dd>
- <dt> <code>graceSettings</code> (list)</dt>
- <dd><p>Overrides for grace notes. This property
- should be manipulated through the <code>add-grace-property</code> function.
- </p></dd>
- <dt> <code>hasStaffSpacing</code> (boolean)</dt>
- <dd><p>True if the current
- <code>CommandColumn</code> contains items that will affect spacing.
- </p></dd>
- <dt> <code>lastKeySignature</code> (list)</dt>
- <dd><p>Last key signature before a key
- signature change.
- </p></dd>
- <dt> <code>localKeySignature</code> (list)</dt>
- <dd><p>The key signature at this point in the
- measure. The format is the same as for <code>keySignature</code>, but can
- also contain <code>((<var>octave</var> . <var>name</var>) . (<var>alter</var>
- <var>barnumber</var> . <var>measureposition</var>))</code> pairs.
- </p></dd>
- <dt> <code>melismaBusy</code> (boolean)</dt>
- <dd><p>Signifies whether a melisma is active.
- This can be used to signal melismas on top of those automatically
- detected.
- </p></dd>
- <dt> <code>quotedCueEventTypes</code> (list)</dt>
- <dd><p>A list of symbols, representing the
- event types that should be duplicated for <code>\cueDuring</code> commands.
- </p></dd>
- <dt> <code>quotedEventTypes</code> (list)</dt>
- <dd><p>A list of symbols, representing the
- event types that should be duplicated for <code>\quoteDuring</code> commands.
- This is also a fallback for <code>\cueDuring</code> if <code>quotedCueEventTypes</code>
- is not set
- </p></dd>
- <dt> <code>rootSystem</code> (graphical (layout) object)</dt>
- <dd><p>The System object.
- </p></dd>
- <dt> <code>scriptDefinitions</code> (list)</dt>
- <dd><p>The description of scripts. This is
- used by the <code>Script_engraver</code> for typesetting note-superscripts
- and subscripts. See ‘<tt>scm/script.scm</tt>’ for more information.
- </p></dd>
- <dt> <code>slurMelismaBusy</code> (boolean)</dt>
- <dd><p>Signal if a slur is present.
- </p></dd>
- <dt> <code>stavesFound</code> (list of grobs)</dt>
- <dd><p>A list of all staff-symbols found.
- </p></dd>
- <dt> <code>tieMelismaBusy</code> (boolean)</dt>
- <dd><p>Signal whether a tie is present.
- </p></dd>
- </dl>
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