]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/rhythmic-column-engraver.cc
Run grand replace for 2015.
[lilypond.git] / lily / rhythmic-column-engraver.cc
index 3f059df4e29c402e37b63815d3321e34c9f33d74..28a06f79b0672dfa88e341c65fad3682448b8ce9 100644 (file)
@@ -1,18 +1,32 @@
 /*
-  rhythmic-column-engraver.cc -- implement Rhythmic_column_engraver
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  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"
 #include "rhythmic-head.hh"
 #include "stem.hh"
 #include "note-column.hh"
+#include "item.hh"
 #include "dot-column.hh"
 #include "pointer-group-interface.hh"
 
+#include "translator.icc"
+
 /*
   this engraver  glues together stems, rests and note heads into a NoteColumn
   grob.
 
 class Rhythmic_column_engraver : public Engraver
 {
-  Link_array<Grob> rheads_;
+  vector<Grob *> rheads_;
   Grob *stem_;
+  Grob *flag_;
   Grob *note_column_;
-  Grob *dotcol_;
-
-  Grob *last_spacing_;
-  Grob *spacing_;
 
   TRANSLATOR_DECLARATIONS (Rhythmic_column_engraver);
 protected:
 
-  virtual void acknowledge_grob (Grob_info);
-  virtual void process_acknowledged_grobs ();
-  virtual void stop_translation_timestep ();
+  DECLARE_ACKNOWLEDGER (stem);
+  DECLARE_ACKNOWLEDGER (flag);
+  DECLARE_ACKNOWLEDGER (rhythmic_head);
+  void process_acknowledged ();
+  void stop_translation_timestep ();
 };
 
 Rhythmic_column_engraver::Rhythmic_column_engraver ()
 {
-  spacing_ = 0;
-  last_spacing_ = 0;
 
   stem_ = 0;
+  flag_ = 0;
   note_column_ = 0;
-  dotcol_ = 0;
 }
 
 void
-Rhythmic_column_engraver::process_acknowledged_grobs ()
+Rhythmic_column_engraver::process_acknowledged ()
 {
   if (rheads_.size ())
     {
       if (!note_column_)
-       {
-         note_column_ = make_item ("NoteColumn", rheads_[0]->self_scm ());
-
-         spacing_ = make_item ("NoteSpacing", SCM_EOL);
-         spacing_->set_object ("left-items", scm_cons (note_column_->self_scm (), SCM_EOL));
-
-         if (last_spacing_)
-           {
-             Pointer_group_interface::add_grob (last_spacing_,
-                                                ly_symbol2scm ("right-items"),
-                                                note_column_);
-           }
-       }
-
-      for (int i = 0; i < rheads_.size (); i++)
-       {
-         if (!rheads_[i]->get_parent (X_AXIS))
-           Note_column::add_head (note_column_, rheads_[i]);
-       }
-      rheads_.set_size (0);
+        note_column_ = make_item ("NoteColumn", rheads_[0]->self_scm ());
+
+      for (vsize i = 0; i < rheads_.size (); i++)
+        if (!rheads_[i]->get_parent (X_AXIS))
+          Note_column::add_head (note_column_, rheads_[i]);
+
+      rheads_.resize (0);
     }
 
   if (note_column_)
     {
-      if (dotcol_
-         && !dotcol_->get_parent (X_AXIS))
-       {
-         Note_column::set_dotcol (note_column_, dotcol_);
-       }
-
       if (stem_
-         && !stem_->get_parent (X_AXIS))
-       {
-         Note_column::set_stem (note_column_, stem_);
-         stem_ = 0;
-       }
+          && !stem_->get_parent (X_AXIS))
+        {
+          Note_column::set_stem (note_column_, stem_);
+          stem_ = 0;
+        }
+
+      if (flag_)
+        {
+          Pointer_group_interface::add_grob (note_column_, ly_symbol2scm ("elements"), flag_);
+          flag_ = 0;
+        }
     }
 }
 
 void
-Rhythmic_column_engraver::acknowledge_grob (Grob_info i)
+Rhythmic_column_engraver::acknowledge_stem (Grob_info i)
 {
-  Item *item = dynamic_cast<Item *> (i.grob ());
-  if (!item || item->get_parent (X_AXIS))
-    return;
-  if (Stem::has_interface (item))
-    {
-      stem_ = item;
-    }
-  else if (Rhythmic_head::has_interface (item))
-    {
-      rheads_.push (item);
-    }
-  else if (Dot_column::has_interface (item))
-    {
-      dotcol_ = item;
-    }
+  stem_ = i.grob ();
 }
 
 void
-Rhythmic_column_engraver::stop_translation_timestep ()
+Rhythmic_column_engraver::acknowledge_flag (Grob_info i)
 {
-  note_column_ = 0;
+  flag_ = i.grob ();
+}
 
-  if (spacing_)
-    {
-      last_spacing_ = spacing_;
-      spacing_ = 0;
-    }
+void
+Rhythmic_column_engraver::acknowledge_rhythmic_head (Grob_info i)
+{
+  rheads_.push_back (i.grob ());
+}
 
-  dotcol_ = 0;
+void
+Rhythmic_column_engraver::stop_translation_timestep ()
+{
+  note_column_ = 0;
   stem_ = 0;
+  flag_ = 0;
 }
 
+ADD_ACKNOWLEDGER (Rhythmic_column_engraver, stem);
+ADD_ACKNOWLEDGER (Rhythmic_column_engraver, flag);
+ADD_ACKNOWLEDGER (Rhythmic_column_engraver, rhythmic_head);
+
 ADD_TRANSLATOR (Rhythmic_column_engraver,
-               /* descr */ "Generates NoteColumn, an objects that groups stems, noteheads and rests.",
-               /* creats*/ "NoteColumn NoteSpacing",
-               /* accepts */ "",
-               /* acks  */ "stem-interface rhythmic-head-interface dot-column-interface",
-               /* reads */ "",
-               /* write */ "");
+                /* doc */
+                "Generate @code{NoteColumn}, an object that groups stems,"
+                " note heads, and rests.",
+
+                /* create */
+                "NoteColumn ",
+
+                /* read */
+                "",
+
+                /* write */
+                ""
+               );