Midi: Map voices to tracks in MIDI output.

[lilypond.git] / scm / define-context-properties.scm

diff --git a/scm/define-context-properties.scm b/scm/define-context-properties.scm
index 795701ac7493663f5025b8b0374861fa52f45d89..046ac2e4f399b5ddbf9615765f7d5110e9be28ef 100644 (file)
--- a/scm/define-context-properties.scm
+++ b/scm/define-context-properties.scm
@@ -1,6 +1,6 @@
 ;;;; This file is part of LilyPond, the GNU music typesetter.
 ;;;;
-;;;; Copyright (C) 1998--2010  Han-Wen Nienhuys <hanwen@xs4all.nl>
+;;;; Copyright (C) 1998--2011  Han-Wen Nienhuys <hanwen@xs4all.nl>
 ;;;;                  Jan Nieuwenhuizen <janneke@gnu.org>
 ;;;;
 ;;;; LilyPond is free software: you can redistribute it and/or modify
@@ -66,7 +66,7 @@ Each entry in the list is either a symbol or a procedure.
 
 @item symbol
 The symbol is the name of the context in which the following rules are to be
-applied. For example, if @var{context} is @rinternals{Score} then all
+applied.  For example, if @var{context} is @rinternals{Score} then all
 staves share accidentals, and if @var{context} is @rinternals{Staff} then
 all voices in the same staff share accidentals, but staves do not.
 
@@ -92,9 +92,9 @@ The current measure position.
 
 @end table
 
-The procedure returns a pair of booleans. The first states whether an extra
-natural should be added. The second states whether an accidental should be
-printed. @code{(#t . #f)} does not make sense.
+The procedure returns a pair of booleans.  The first states whether an extra
+natural should be added.  The second states whether an accidental should be
+printed.  @code{(#t . #f)} does not make sense.
 
 @end table")
      (autoBeamCheck ,procedure? "A procedure taking three
@@ -145,7 +145,7 @@ exceptions.  Contains @code{(@var{chord} . (@var{prefix-markup}
 @var{suffix-markup}))} entries.")
      (chordNameFunction ,procedure? "The function that converts lists
 of pitches to chord names.")
-        (chordNameLowercaseMinor ,boolean? "Downcase roots of minor chords?")
+     (chordNameLowercaseMinor ,boolean? "Downcase roots of minor chords?")
      (chordNameSeparator ,markup? "The markup object used to
 separate parts of a chord name.")
      (chordNoteNamer ,procedure? "A function that converts from a pitch
@@ -261,6 +261,11 @@ frets in tablature.")
 @code{GridPoint}s.")
 
 
+     (handleNegativeFrets ,symbol? "How the automatic fret calculator
+should handle calculated negative frets.  Values include @code{'ignore},
+to leave them out of the diagram completely, @code{'include}, to include
+them as calculated, and @code{'recalculate}, to ignore the specified
+string and find a string where they will fit with a positive fret number.")
      (harmonicAccidentals ,boolean? "If set, harmonic notes in chords
 get accidentals.")
      (harmonicDots ,boolean? "If set, harmonic notes in dotted chords get
@@ -334,7 +339,7 @@ manual beams are considered.  Possible values include
 @code{melismaBusy}, @code{slurMelismaBusy}, @code{tieMelismaBusy}, and
 @code{beamMelismaBusy}.")
      (metronomeMarkFormatter ,procedure? "How to produce a metronome
-markup.  Called with four arguments: text, duration, count and context.")
+markup.  Called with two arguments: a @code{TempoChangeEvent} and context.")
      (middleCClefPosition ,number? "The position of the middle C,
 as determined only by the clef.  This can be calculated by looking at
 @code{clefPosition} and @code{clefGlyph}.")
@@ -352,6 +357,8 @@ half staff-spaces.  Usually determined by looking at
 @code{midiMinimumVolume}.")
      (midiMinimumVolume ,number? "Set the minimum loudness for MIDI.
 Ranges from 0 to@tie{}1.")
+     (midiChannelPerStaff ,boolean? "If set to @code{##t},
+each staff is assiged its own channel.")
      (minimumFret ,number? "The tablature auto string-selecting
 mechanism selects the highest string with a fret at least
 @code{minimumFret}.")
@@ -408,6 +415,7 @@ of the form @code{(list 'volta @var{x})}, where @var{x} is a string or
 arguments an integer and context, returning whether the corresponding
 percent repeat number should be printed when @code{countPercentRepeats}
 is set.")
+     (restCompletionBusy ,boolean? "Signal whether a completion-rest is active.")
      (restNumberThreshold ,number? "If a multimeasure rest has more
 measures than this, a number is printed.")
 
@@ -452,7 +460,7 @@ value is only used once, and then it is erased.")
      (stringOneTopmost ,boolean? "Whether the first string is
 printed on the top line of the tablature.")
      (stringTunings ,list? "The tablature strings tuning.  It is a list
-of the pitch (in semitones) of each string (starting with the lower
+of the pitches of each string (starting with the lowest numbered
 one).")
      (strokeFingerOrientations ,list? "See
 @code{fingeringOrientations}.")
@@ -473,10 +481,7 @@ fret number.  It returns the text as a markup.")
      (tabStaffLineLayoutFunction ,procedure? "A function determining the
 staff position of a tablature note head.  Called with two arguments:
 the context and the string.")
-     (tempoHideNote ,boolean? "Hide the note=count in tempo marks.")
-     (tempoText ,markup? "Text for tempo marks.")
-     (tempoUnitCount ,number-or-pair? "Count for specifying tempo.")
-     (tempoUnitDuration ,ly:duration? "Unit for specifying tempo.")
+     (tempoHideNote ,boolean? "Hide the note = count in tempo marks.")
      (tempoWholesPerMinute ,ly:moment? "The tempo in whole notes per
 minute.")
      (tieWaitForNote ,boolean? "If true, tied notes do not have to