X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fcollision-engraver.cc;h=15ee2d29239711fd3eda3b02413626078e2b52ab;hb=5d84bfad4626892bcffd05adcced53c8a2329047;hp=41399bbeca594b9ce7bd509453dedfcb19ceb24e;hpb=6b9bfd374643d1eed1ea158777d796c57a2bcd3a;p=lilypond.git

diff --git a/lily/collision-engraver.cc b/lily/collision-engraver.cc
index 41399bbeca..15ee2d2923 100644
--- a/lily/collision-engraver.cc
+++ b/lily/collision-engraver.cc
@@ -1,84 +1,102 @@
 /*
-  collision-reg.cc -- implement Collision_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--2002 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 "note-column.hh"
 #include "note-collision.hh"
-
-#include "engraver.hh"
 #include "axis-group-interface.hh"
+#include "item.hh"
 
-/*
-  collect Note_column, and as soon as there are 2 or more, put them in
-  a collision object.  */
-class Collision_engraver : public Engraver {
-  Item * col_;
-  Link_array<Grob> note_columns_;
+#include "translator.icc"
+
+class Collision_engraver : public Engraver
+{
+  Item *col_;
+  vector<Grob *> note_columns_;
 
 protected:
-  virtual void acknowledge_grob (Grob_info);
-  virtual void process_acknowledged_grobs ();
-  virtual void stop_translation_timestep ();
+  void acknowledge_note_column (Grob_info);
+  void process_acknowledged ();
+  void stop_translation_timestep ();
 public:
-  TRANSLATOR_DECLARATIONS(Collision_engraver);
+  TRANSLATOR_DECLARATIONS (Collision_engraver);
 };
 
-
 void
-Collision_engraver::process_acknowledged_grobs ()
+Collision_engraver::process_acknowledged ()
 {
   if (col_ || note_columns_.size () < 2)
-    return ;
-  if (!col_) 
-    {
-      col_ = new Item (get_property ("NoteCollision"));
-      announce_grob (col_, SCM_EOL);
-    }
-  
-  for (int i=0; i< note_columns_.size (); i++)
-    Note_collision_interface::add_column (col_,note_columns_[i]);
+    return;
+  if (!col_)
+    col_ = make_item ("NoteCollision", SCM_EOL);
+
+  for (vsize i = 0; i < note_columns_.size (); i++)
+    Note_collision_interface::add_column (col_, note_columns_[i]);
 }
 
 void
-Collision_engraver::acknowledge_grob (Grob_info i)
+Collision_engraver::acknowledge_note_column (Grob_info i)
 {
-  if (Note_column::has_interface (i.grob_))
+  if (has_interface<Note_column> (i.grob ()))
     {
       /*should check Y axis? */
-      if (Note_column::rest_b (i.grob_) || i.grob_->get_parent (X_AXIS))
-	return ;
+      if (Note_column::has_rests (i.grob ()) || i.grob ()->get_parent (X_AXIS))
+        return;
+
+      if (to_boolean (i.grob ()->get_property ("ignore-collision")))
+        return;
 
-      note_columns_.push (i.grob_);
+      note_columns_.push_back (i.grob ());
     }
 }
 
 void
 Collision_engraver::stop_translation_timestep ()
 {
-  if (col_) 
-    {
-      typeset_grob (col_);
-      col_ =0;
-    }
+  col_ = 0;
   note_columns_.clear ();
 }
 
-Collision_engraver::Collision_engraver ()
+Collision_engraver::Collision_engraver (Context *c)
+  : Engraver (c)
+{
+  col_ = 0;
+}
+
+
+void
+Collision_engraver::boot ()
 {
-  col_ =0;
+  ADD_ACKNOWLEDGER (Collision_engraver, note_column);
 }
 
+ADD_TRANSLATOR (Collision_engraver,
+                /* doc */
+                "Collect @code{NoteColumns}, and as soon as there are two or"
+                " more, put them in a @code{NoteCollision} object.",
 
+                /* create */
+                "NoteCollision ",
 
+                /* read */
+                "",
 
-ENTER_DESCRIPTION(Collision_engraver,
-/* descr */       "",
-/* creats*/       "NoteCollision",
-/* accepts */     "general-music",
-/* acks  */      "note-column-interface",
-/* reads */       "",
-/* write */       "");
+                /* write */
+                ""
+               );