source file of the GNU LilyPond music typesetter
- (c) 1999--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 1999--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "engraver.hh"
+#include "moment.hh"
#include "note-spacing.hh"
#include "paper-column.hh"
#include "pointer-group-interface.hh"
DECLARE_ACKNOWLEDGER (staff_spacing);
DECLARE_ACKNOWLEDGER (note_spacing);
DECLARE_ACKNOWLEDGER (rhythmic_head);
+ DECLARE_ACKNOWLEDGER (rhythmic_grob);
DECLARE_TRANSLATOR_LISTENER (spacing_section);
void start_translation_timestep ();
void stop_translation_timestep ();
void process_music ();
-
+ void add_starter_duration (Grob_info i);
+
virtual void finalize ();
void start_spanner ();
void
Spacing_engraver::listen_spacing_section (Stream_event *ev)
{
- start_section_ = ev;
+ ASSIGN_EVENT_ONCE (start_section_, ev);
}
void
{
assert (!spacing_);
+
spacing_ = make_spanner ("SpacingSpanner", SCM_EOL);
spacing_->set_bound (LEFT,
unsmob_grob (get_property ("currentCommandColumn")));
Pointer_group_interface::add_grob (spacing_, ly_symbol2scm ("wishes"), i.grob ());
}
+void
+Spacing_engraver::acknowledge_rhythmic_grob (Grob_info i)
+{
+ add_starter_duration (i);
+}
+
void
Spacing_engraver::acknowledge_rhythmic_head (Grob_info i)
+{
+ add_starter_duration (i);
+}
+
+
+void
+Spacing_engraver::add_starter_duration (Grob_info i)
{
if (i.grob ()->internal_has_interface (ly_symbol2scm ("lyric-syllable-interface"))
|| i.grob ()->internal_has_interface (ly_symbol2scm ("multi-measure-interface")))
Paper_column *musical_column
= dynamic_cast<Paper_column *> (unsmob_grob (get_property ("currentMusicalColumn")));
+
+ if (!spacing_)
+ start_spanner ();
+
+ musical_column->set_object ("spacing", spacing_->self_scm ());
+ unsmob_grob (get_property ("currentCommandColumn"))
+ ->set_object ("spacing", spacing_->self_scm ());
+
SCM proportional = get_property ("proportionalNotationDuration");
if (unsmob_moment (proportional))
{
musical_column->set_property ("shortest-playing-duration", proportional);
musical_column->set_property ("shortest-starter-duration", proportional);
+ musical_column->set_property ("used", SCM_BOOL_T);
return;
}
musical_column->set_property ("shortest-playing-duration", sh);
musical_column->set_property ("shortest-starter-duration", st);
-
- musical_column->set_object ("spacing", spacing_->self_scm ());
- unsmob_grob (get_property ("currentCommandColumn"))
- ->set_object ("spacing", spacing_->self_scm ());
}
ADD_ACKNOWLEDGER (Spacing_engraver, staff_spacing);
ADD_ACKNOWLEDGER (Spacing_engraver, note_spacing);
ADD_ACKNOWLEDGER (Spacing_engraver, rhythmic_head);
+ADD_ACKNOWLEDGER (Spacing_engraver, rhythmic_grob);
ADD_TRANSLATOR (Spacing_engraver,
"make a SpacingSpanner and do "
"bookkeeping of shortest starting and playing notes ",
/* create */ "SpacingSpanner",
- /* accept */
- "spacing-section-event ",
/* read */
"currentMusicalColumn "
"currentCommandColumn "