* flower/include/axis.hh: rename from axes.hh

[lilypond.git] / lily / collision-engraver.cc

diff --git a/lily/collision-engraver.cc b/lily/collision-engraver.cc
index c31121dae4a70a6501bb30256508de34db4ac7ec..66813fb37ce70629dd7e0b374cd9be5e87b391a2 100644 (file)
--- a/lily/collision-engraver.cc
+++ b/lily/collision-engraver.cc
@@ -1,76 +1,73 @@
 /*
-  collision-reg.cc -- implement Collision_engraver
+  collision-engraver.cc -- implement Collision_engraver
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
 #include "note-column.hh"
-#include "collision.hh"
-#include "dimension-cache.hh"
+#include "note-collision.hh"
+
 #include "engraver.hh"
+#include "axis-group-interface.hh"
 
-/*
-  collect Note_column, and as soon as there are 2 or more, put them in
-  a collision object.  */
-class Collision_engraver : public Engraver {
-  Collision* col_p_;
-  Link_array<Note_column> note_column_l_arr_;
+class Collision_engraver : public Engraver
+{
+  Item *col_;
+  Link_array<Grob> note_columns_;
 
 protected:
-  virtual void acknowledge_element (Score_element_info);
-  virtual void process_acknowledged ();
-  virtual void do_pre_move_processing();
+  virtual void acknowledge_grob (Grob_info);
+  virtual void process_acknowledged_grobs ();
+  virtual void stop_translation_timestep ();
 public:
-  VIRTUAL_COPY_CONS(Translator);
-  Collision_engraver();
+  TRANSLATOR_DECLARATIONS (Collision_engraver);
 };
 
-
 void
-Collision_engraver::process_acknowledged ()
+Collision_engraver::process_acknowledged_grobs ()
 {
-  if (col_p_ || note_column_l_arr_.size () < 2)
-    return ;
-  if (!col_p_) 
+  if (col_ || note_columns_.size () < 2)
+    return;
+  if (!col_)
     {
-      col_p_ = new Collision;
-      announce_element (Score_element_info (col_p_,0));
+      col_ = make_item ("NoteCollision", SCM_EOL);
     }
-  for (int i=0; i< note_column_l_arr_.size (); i++)
-    col_p_->add_column (note_column_l_arr_[i]);
+
+  for (int i = 0; i < note_columns_.size (); i++)
+    Note_collision_interface::add_column (col_, note_columns_[i]);
 }
 
 void
-Collision_engraver::acknowledge_element (Score_element_info i)
+Collision_engraver::acknowledge_grob (Grob_info i)
 {
-  if (Note_column * c = dynamic_cast<Note_column *> (i.elem_l_))
+  if (Note_column::has_interface (i.grob ()))
     {
       /*should check Y axis? */
-      if (c->rest_b () || c->parent_l(X_AXIS))
-       return ;
+      if (Note_column::has_rests (i.grob ()) || i.grob ()->get_parent (X_AXIS))
+       return;
 
-      note_column_l_arr_.push (c);
+      note_columns_.push (i.grob ());
     }
 }
 
 void
-Collision_engraver::do_pre_move_processing()
+Collision_engraver::stop_translation_timestep ()
 {
-  if (col_p_) 
-    {
-      typeset_element (col_p_);
-      col_p_ =0;
-    }
-  note_column_l_arr_.clear ();
+  col_ = 0;
+  note_columns_.clear ();
 }
 
-Collision_engraver::Collision_engraver()
+Collision_engraver::Collision_engraver ()
 {
-  col_p_ =0;
+  col_ = 0;
 }
 
-
-
-ADD_THIS_TRANSLATOR(Collision_engraver);
+ADD_TRANSLATOR (Collision_engraver,
+               /* descr */ "Collect NoteColumns, and as soon as there are two or more, put them in a NoteCollision object.",
+               /* creats*/ "NoteCollision",
+               /* accepts */ "",
+               /* acks  */ "note-column-interface",
+               /* reads */ "",
+               /* write */ "");