Doc-es: various updates.

[lilypond.git] / lily / note-spacing-engraver.cc

diff --git a/lily/note-spacing-engraver.cc b/lily/note-spacing-engraver.cc
index 8a5f5c7944228753efbc518241bf09773827fac6..653aa8db023f80ad804cae7c4d2ab235cbd38e51 100644 (file)
--- a/lily/note-spacing-engraver.cc
+++ b/lily/note-spacing-engraver.cc
@@ -1,10 +1,20 @@
-/* 
-  note-spacing-engraver.cc -- implement Note_spacing_engraver
-  
-  source file of the GNU LilyPond music typesetter
-  
-  (c) 2006--2008 Han-Wen Nienhuys <hanwen@lilypond.org>
-  
+/*
+  This file is part of LilyPond, the GNU music typesetter.
+
+  Copyright (C) 2006--2015 Han-Wen Nienhuys <hanwen@lilypond.org>
+
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "engraver.hh"
@@ -20,18 +30,18 @@
 
 class Note_spacing_engraver : public Engraver
 {
-  typedef map <Context*, Grob*> Last_spacing_map;
+  typedef map <Context *, Grob *> Last_spacing_map;
   Last_spacing_map last_spacings_;
   Grob *last_spacing_;
-  
+
   Grob *spacing_;
 
   void add_spacing_item (Grob *);
   TRANSLATOR_DECLARATIONS (Note_spacing_engraver);
 protected:
 
-  DECLARE_ACKNOWLEDGER (rhythmic_grob);
-  DECLARE_ACKNOWLEDGER (note_column);
+  void acknowledge_rhythmic_grob (Grob_info);
+  void acknowledge_note_column (Grob_info);
   void stop_translation_timestep ();
   virtual void finalize ();
   virtual void derived_mark () const;
@@ -45,7 +55,8 @@ Note_spacing_engraver::derived_mark () const
     scm_gc_mark (i->first->self_scm ());
 }
 
-Note_spacing_engraver::Note_spacing_engraver ()
+Note_spacing_engraver::Note_spacing_engraver (Context *c)
+  : Engraver (c)
 {
   spacing_ = 0;
   last_spacing_ = 0;
@@ -58,21 +69,20 @@ Note_spacing_engraver::add_spacing_item (Grob *g)
     {
       spacing_ = make_item ("NoteSpacing", g->self_scm ());
     }
-  
+
   if (spacing_)
     {
       Pointer_group_interface::add_grob (spacing_,
-                                        ly_symbol2scm ("left-items"),
-                                        g);
+                                         ly_symbol2scm ("left-items"),
+                                         g);
 
       if (last_spacing_)
-       Pointer_group_interface::add_grob (last_spacing_,
-                                          ly_symbol2scm ("right-items"),
-                                          g);
+        Pointer_group_interface::add_grob (last_spacing_,
+                                           ly_symbol2scm ("right-items"),
+                                           g);
     }
 }
 
-
 void
 Note_spacing_engraver::acknowledge_note_column (Grob_info gi)
 {
@@ -92,13 +102,13 @@ Note_spacing_engraver::finalize ()
   Grob *last_spacing = last_spacings_[parent];
 
   if (last_spacing
-      && !unsmob_grob_array (last_spacing->get_object ("right-items")))
+      && !unsmob<Grob_array> (last_spacing->get_object ("right-items")))
     {
-      Grob *col  = unsmob_grob (get_property ("currentCommandColumn"));
-      
+      Grob *col = unsmob<Grob> (get_property ("currentCommandColumn"));
+
       Pointer_group_interface::add_grob (last_spacing,
-                                        ly_symbol2scm ("right-items"),
-                                        col);
+                                         ly_symbol2scm ("right-items"),
+                                         col);
     }
 }
 
@@ -111,12 +121,12 @@ Note_spacing_engraver::stop_translation_timestep ()
   if (last_spacing
       && to_boolean (get_property ("hasStaffSpacing")))
     {
-      Grob *col = unsmob_grob (get_property ("currentCommandColumn"));
+      Grob *col = unsmob<Grob> (get_property ("currentCommandColumn"));
       Pointer_group_interface::add_grob (last_spacing,
-                                        ly_symbol2scm ("right-items"),
-                                        col);
+                                         ly_symbol2scm ("right-items"),
+                                         col);
     }
-  
+
   if (spacing_)
     {
       last_spacings_[parent] = spacing_;
@@ -126,20 +136,25 @@ Note_spacing_engraver::stop_translation_timestep ()
 
 }
 
-ADD_ACKNOWLEDGER (Note_spacing_engraver, note_column);
-ADD_ACKNOWLEDGER (Note_spacing_engraver, rhythmic_grob);
+
+void
+Note_spacing_engraver::boot ()
+{
+  ADD_ACKNOWLEDGER (Note_spacing_engraver, note_column);
+  ADD_ACKNOWLEDGER (Note_spacing_engraver, rhythmic_grob);
+}
 
 ADD_TRANSLATOR (Note_spacing_engraver,
-               /* doc */
-               "Generate @code{NoteSpacing}, an object linking horizontal"
-               " lines for use in spacing.",
+                /* doc */
+                "Generate @code{NoteSpacing}, an object linking horizontal"
+                " lines for use in spacing.",
 
-               /* create */
-               "NoteSpacing ",
+                /* create */
+                "NoteSpacing ",
 
-               /* read */
-               "",
+                /* read */
+                "",
 
-               /* write */
-               ""
-               );
+                /* write */
+                ""
+               );