X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fspacing-engraver.cc;h=00dc8227609b68fd2eb067d317399d1b678057b2;hb=97a0169312a260933246ab224e4f8b0969871dd5;hp=42fb3d9bf26b7c7ab91199f65c647d2d1c9d47b8;hpb=c054eb280fd9953596eb164f67b0f9d5555c5a32;p=lilypond.git

diff --git a/lily/spacing-engraver.cc b/lily/spacing-engraver.cc
index 42fb3d9bf2..00dc822760 100644
--- a/lily/spacing-engraver.cc
+++ b/lily/spacing-engraver.cc
@@ -76,11 +76,11 @@ class Spacing_engraver : public Engraver
   TRANSLATOR_DECLARATIONS (Spacing_engraver);
 
 protected:
-  DECLARE_ACKNOWLEDGER (staff_spacing);
-  DECLARE_ACKNOWLEDGER (note_spacing);
-  DECLARE_ACKNOWLEDGER (rhythmic_head);
-  DECLARE_ACKNOWLEDGER (rhythmic_grob);
-  DECLARE_TRANSLATOR_LISTENER (spacing_section);
+  void acknowledge_staff_spacing (Grob_info);
+  void acknowledge_note_spacing (Grob_info);
+  void acknowledge_rhythmic_head (Grob_info);
+  void acknowledge_rhythmic_grob (Grob_info);
+  void listen_spacing_section (Stream_event *);
 
   void start_translation_timestep ();
   void stop_translation_timestep ();
@@ -93,13 +93,13 @@ protected:
   void stop_spanner ();
 };
 
-Spacing_engraver::Spacing_engraver ()
+Spacing_engraver::Spacing_engraver (Context *c)
+  : Engraver (c)
 {
   spacing_ = 0;
   start_section_ = 0;
 }
 
-IMPLEMENT_TRANSLATOR_LISTENER (Spacing_engraver, spacing_section);
 void
 Spacing_engraver::listen_spacing_section (Stream_event *ev)
 {
@@ -123,7 +123,7 @@ Spacing_engraver::start_spanner ()
 
   spacing_ = make_spanner ("SpacingSpanner", SCM_EOL);
   spacing_->set_bound (LEFT,
-                       Grob::unsmob (get_property ("currentCommandColumn")));
+                       unsmob<Grob> (get_property ("currentCommandColumn")));
 }
 
 void
@@ -137,7 +137,7 @@ Spacing_engraver::stop_spanner ()
 {
   if (spacing_)
     {
-      Grob *p = Grob::unsmob (get_property ("currentCommandColumn"));
+      Grob *p = unsmob<Grob> (get_property ("currentCommandColumn"));
 
       spacing_->set_bound (RIGHT, p);
       spacing_ = 0;
@@ -194,17 +194,17 @@ void
 Spacing_engraver::stop_translation_timestep ()
 {
   Paper_column *musical_column
-    = dynamic_cast<Paper_column *> (Grob::unsmob (get_property ("currentMusicalColumn")));
+    = unsmob<Paper_column> (get_property ("currentMusicalColumn"));
 
   if (!spacing_)
     start_spanner ();
 
   musical_column->set_object ("spacing", spacing_->self_scm ());
-  Grob::unsmob (get_property ("currentCommandColumn"))
+  unsmob<Grob> (get_property ("currentCommandColumn"))
   ->set_object ("spacing", spacing_->self_scm ());
 
   SCM proportional = get_property ("proportionalNotationDuration");
-  if (Moment::is_smob (proportional))
+  if (unsmob<Moment> (proportional))
     {
       musical_column->set_property ("shortest-playing-duration", proportional);
       musical_column->set_property ("shortest-starter-duration", proportional);
@@ -261,10 +261,16 @@ Spacing_engraver::start_translation_timestep ()
     stopped_durations_.push_back (playing_durations_.get ());
 }
 
-ADD_ACKNOWLEDGER (Spacing_engraver, staff_spacing);
-ADD_ACKNOWLEDGER (Spacing_engraver, note_spacing);
-ADD_ACKNOWLEDGER (Spacing_engraver, rhythmic_head);
-ADD_ACKNOWLEDGER (Spacing_engraver, rhythmic_grob);
+
+void
+Spacing_engraver::boot ()
+{
+  ADD_LISTENER (Spacing_engraver, spacing_section);
+  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,
                 /* doc */