/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 2005--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 2005--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
LilyPond is free software: you can redistribute it and/or modify
TRANSLATOR_DECLARATIONS (Tweak_engraver);
protected:
- DECLARE_ACKNOWLEDGER (grob);
+ void acknowledge_grob (Grob_info);
};
-Tweak_engraver::Tweak_engraver ()
+Tweak_engraver::Tweak_engraver (Context *c)
+ : Engraver (c)
{
}
ev = info.ultimate_event_cause ();
if (ev)
{
+ // Each tweak conses an address and a value.
+ // The address has one of the following forms:
+ // symbol -> direct tweak
+ // (grob . symbol) -> targeted tweak
+ // (#t . symbol-path) -> direct nested tweak
+ // (grob . symbol-path) -> targeted nested tweak
for (SCM s = ev->get_property ("tweaks");
scm_is_pair (s); s = scm_cdr (s))
{
- if (scm_is_pair (scm_caar (s))) {
- if (SCM_UNBNDP (grobname))
- grobname = scm_from_locale_symbol (info.grob ()->name ().c_str ());
- if (scm_is_eq (scm_caaar (s), grobname))
- info.grob ()->set_property (scm_cdaar (s), scm_cdar (s));
- } else if (direct)
- info.grob ()->set_property (scm_caar (s), scm_cdar (s));
+ if (scm_is_pair (scm_caar (s)))
+ {
+ if (scm_is_symbol (scm_caaar (s)))
+ {
+ if (SCM_UNBNDP (grobname))
+ grobname = scm_from_utf8_symbol
+ (info.grob ()->name ().c_str ());
+ if (scm_is_eq (scm_caaar (s), grobname))
+ {
+ if (scm_is_symbol (scm_cdaar (s)))
+ info.grob ()->set_property (scm_cdaar (s), scm_cdar (s));
+ else
+ set_nested_property (info.grob (), scm_cdaar (s),
+ scm_cdar (s));
+ }
+ }
+ else if (direct)
+ set_nested_property (info.grob (), scm_cdaar (s),
+ scm_cdar (s));
+ }
+ else if (direct)
+ info.grob ()->set_property (scm_caar (s), scm_cdar (s));
}
}
}
-ADD_ACKNOWLEDGER (Tweak_engraver, grob);
+void
+Tweak_engraver::boot ()
+{
+ ADD_ACKNOWLEDGER (Tweak_engraver, grob);
+}
+
ADD_TRANSLATOR (Tweak_engraver,
/* doc */
"Read the @code{tweaks} property from the originating event,"