On Thu, 8 Jan 2004, Mats Bengtsson wrote:
> The step from basic to advanced user is clearly a major threshold but
> does not involve learning all about Scheme but rather to learn the
> mechanisms to set properties and the syntax used. The sections on
> "Setting Variables" and "Fine Tuning layout" in the Tutorial try
> to explain these aspects.
I think a unified and simplified property syntax above would help lower
the treshhold.
Currently we have:
Context properties:
\property Context.propName = #value
\property Context.propName \unset
Object properties:
\property Context.ObjectName \set #'prop-name = #value
\property Context.ObjectName \override #'prop-name = #value
\property Context.ObjectName \revert #'prop-name
\once \property Context.ObjectName \set #'prop-name = #value
Context properties in a translator:
\translator { \NameContext propName = #value }
Object properties in a translator:
\translator { \NameContext ObjectName \set #'prop-name = #value }
How about this instead?
\set Staff.instrument = #"Clarinet"
\set Staff.instr = #"Clar."
\unset Staff.instr
(Would override and revert on context properties make sense?)
\set PianoStaff.createKeyOnClefChange = ##t
\set Staff.Slur.dashed = #1
\override Staff.Stem.thickness = #4
\revert Staff.Stem.thickness
\once Staff.Stem.thickness = #4
\once Voice.NoteHead.style = #'diamond
% This one is a bit strange. Are there any others like autoBeamSettings?
\override Voice.autoBeamSettings.(end * * * *) = #(ly:make-moment 1 4)
Translator sections can do a lot more than just set properties,
but maybe we could still keep a consistent syntax in the
contemplated \with and \apply sections.
\with { % or \apply ?
\set Staff.systemStartDelimiter = #'SystemStartBrace
\set Score.RehearsalMark.padding = #1.5
}
What do you think of that, Han-Wen?
It's not new functionality; just simplifying the syntax.
~ John Williams
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