Doc-es: various updates.

[lilypond.git] / lily / axis-group-engraver.cc

diff --git a/lily/axis-group-engraver.cc b/lily/axis-group-engraver.cc
index adc0dae661b92979156be727c5fc14c6a80a6ad5..d500c6ba64fea97a2f96e362143137ecd01a429e 100644 (file)
--- a/lily/axis-group-engraver.cc
+++ b/lily/axis-group-engraver.cc
@@ -43,7 +43,7 @@ protected:
   void process_music ();
   virtual void initialize ();
   virtual void finalize ();
-  DECLARE_ACKNOWLEDGER (grob);
+  void acknowledge_grob (Grob_info);
   void process_acknowledged ();
   virtual Spanner *get_spanner ();
   virtual void add_element (Grob *);
@@ -55,7 +55,8 @@ public:
 };
 
 
-Axis_group_engraver::Axis_group_engraver ()
+Axis_group_engraver::Axis_group_engraver (Context *c)
+  : Engraver (c)
 {
   staffline_ = 0;
   interesting_ = SCM_EOL;
@@ -89,7 +90,7 @@ Axis_group_engraver::process_music ()
   if (!staffline_ && active_)
     {
       staffline_ = get_spanner ();
-      Grob *it = Grob::unsmob (get_property ("currentCommandColumn"));
+      Grob *it = unsmob<Grob> (get_property ("currentCommandColumn"));
       staffline_->set_bound (LEFT, it);
     }
   interesting_ = get_property ("keepAliveInterfaces");
@@ -106,7 +107,7 @@ Axis_group_engraver::finalize ()
 {
   if (staffline_)
     {
-      Grob *it = Grob::unsmob (get_property ("currentCommandColumn"));
+      Grob *it = unsmob<Grob> (get_property ("currentCommandColumn"));
       staffline_->set_bound (RIGHT, it);
 
       Pointer_group_interface::set_ordered (staffline_, ly_symbol2scm ("elements"), false);
@@ -116,15 +117,20 @@ Axis_group_engraver::finalize ()
 void
 Axis_group_engraver::acknowledge_grob (Grob_info i)
 {
-  if (staffline_)
-    elts_.push_back (i.grob ());
+  if (!staffline_)
+    return;
 
-  if (staffline_ && to_boolean(staffline_->get_property("remove-empty")))
+  elts_.push_back (i.grob ());
+
+  if (to_boolean (staffline_->get_property ("remove-empty")))
     {
       for (SCM s = interesting_; scm_is_pair (s); s = scm_cdr (s))
         {
           if (i.grob ()->internal_has_interface (scm_car (s)))
-            Hara_kiri_group_spanner::add_interesting_item (staffline_, i.grob ());
+            {
+              Hara_kiri_group_spanner::add_interesting_item (staffline_, i.grob ());
+              break;
+            }
         }
     }
 }
@@ -141,7 +147,7 @@ Axis_group_engraver::process_acknowledged ()
 
   for (vsize i = 0; i < elts_.size (); i++)
     {
-      if (!Grob::is_smob (elts_[i]->get_object ("axis-group-parent-Y")))
+      if (!unsmob<Grob> (elts_[i]->get_object ("axis-group-parent-Y")))
         {
           if (staffline_->get_parent (Y_AXIS)
               && staffline_->get_parent (Y_AXIS) == elts_[i])
@@ -165,7 +171,12 @@ Axis_group_engraver::add_element (Grob *e)
   Axis_group_interface::add_element (staffline_, e);
 }
 
-ADD_ACKNOWLEDGER (Axis_group_engraver, grob);
+
+void
+Axis_group_engraver::boot ()
+{
+  ADD_ACKNOWLEDGER (Axis_group_engraver, grob);
+}
 
 ADD_TRANSLATOR (Axis_group_engraver,
                 /* doc */