-/*
- grace-engraver.cc -- implement Grace_engraver
-
+/*
+ grace-engraver.cc -- implement Grace_engraver
+
source file of the GNU LilyPond music typesetter
-
- (c) 2004 Han-Wen Nienhuys <hanwen@xs4all.nl>
-
+
+ (c) 2004--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "engraver.hh"
class Grace_engraver : public Engraver
{
+ void consider_change_grace_settings ();
protected:
- virtual void start_translation_timestep ();
- virtual void derived_mark ();
-
+ void start_translation_timestep ();
+ virtual void derived_mark () const;
+ virtual void initialize ();
+
TRANSLATOR_DECLARATIONS (Grace_engraver);
Moment last_moment_;
SCM grace_settings_;
public:
};
-
-Grace_engraver::Grace_engraver()
+Grace_engraver::Grace_engraver ()
{
grace_settings_ = SCM_EOL;
+ last_moment_ = Moment (Rational (-1, 1));
}
void
-Grace_engraver::derived_mark ()
+Grace_engraver::initialize ()
{
- scm_gc_mark (grace_settings_);
+ consider_change_grace_settings ();
}
void
-Grace_engraver::start_translation_timestep ()
+Grace_engraver::consider_change_grace_settings ()
{
Moment now = now_mom ();
if (last_moment_.grace_part_ && !now.grace_part_)
SCM val = scm_cadr (scm_cddr (entry));
Context *c = context ();
- while (c
- && c->context_name_symbol () != context_name)
- {
- c = c->get_parent_context ();
- }
+ while (c && !c->is_alias (context_name))
+ c = c->get_parent_context ();
- if (c)
+ if (c)
{
execute_pushpop_property (c,
grob, sym, val);
grace_settings_
- = scm_cons (scm_cons (c->self_scm(), entry), grace_settings_);
+ = scm_cons (scm_cons (c->self_scm (), entry), grace_settings_);
}
else
{
- programming_error ("Cannot find context");
- scm_display (context_name, scm_current_error_port());
+ programming_error ("cannot find context: ");
+ scm_display (context_name, scm_current_error_port ());
}
}
}
- last_moment_ = now;
+ last_moment_ = now_mom ();
+}
+
+void
+Grace_engraver::derived_mark () const
+{
+ scm_gc_mark (grace_settings_);
+ Engraver::derived_mark ();
+}
+
+void
+Grace_engraver::start_translation_timestep ()
+{
+ consider_change_grace_settings ();
}
+#include "translator.icc"
-ENTER_DESCRIPTION (Grace_engraver,
- /* descr */ "Set font size and other properties for grace notes.",
- /* creats*/ "",
- /* accepts */ "",
- /* acks */ "",
- /* reads */ "graceSettings",
- /* write */ "");
+ADD_TRANSLATOR (Grace_engraver,
+ /* doc */ "Set font size and other properties for grace notes.",
+ /* create */ "",
+ /* read */ "graceSettings",
+ /* write */ "");