Run `make grand-replace'.

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

diff --git a/lily/cluster-engraver.cc b/lily/cluster-engraver.cc
index 02c7613cbcb8f699fb656a31f5bf173fe1e0170e..ecf071b91836c1bc770030d637fad23633ad6962 100644 (file)
--- a/lily/cluster-engraver.cc
+++ b/lily/cluster-engraver.cc
@@ -1,29 +1,34 @@
 /*
   cluster-engraver.cc -- implement Cluster_engraver
 
-  (c) 2002--2005 Juergen Reuter <reuter@ipd.uka.de>
+  (c) 2002--2008 Juergen Reuter <reuter@ipd.uka.de>
 
-  Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "engraver.hh"
 #include "spanner.hh"
 #include "note-head.hh"
 #include "note-column.hh"
-#include "group-interface.hh"
+#include "pointer-group-interface.hh"
+#include "pitch.hh"
+#include "stream-event.hh"
+#include "item.hh"
+
+#include "translator.icc"
 
 class Cluster_spanner_engraver : public Engraver
 {
 
 protected:
   TRANSLATOR_DECLARATIONS (Cluster_spanner_engraver);
-  virtual bool try_music (Music *);
+  DECLARE_TRANSLATOR_LISTENER (cluster_note);
+  DECLARE_ACKNOWLEDGER (note_column);
+  void stop_translation_timestep ();
   virtual void process_music ();
-  virtual void acknowledge_grob (Grob_info);
-  virtual void stop_translation_timestep ();
   virtual void finalize ();
 private:
-  Link_array<Music> cluster_notes_;
+  vector<Stream_event*> cluster_notes_;
   Item *beacon_;
 
   void typeset_grobs ();
@@ -50,22 +55,25 @@ Cluster_spanner_engraver::finalize ()
 void
 Cluster_spanner_engraver::typeset_grobs ()
 {
-  finished_spanner_ = 0;
+  if (finished_spanner_)
+    {
+      if (!finished_spanner_->get_bound (RIGHT))
+       {
+         finished_spanner_->set_bound (RIGHT,
+                                       finished_spanner_->get_bound (LEFT));
+                                       
+       }
+      
+      finished_spanner_ = 0;
+    }
   beacon_ = 0;
 }
 
-bool
-Cluster_spanner_engraver::try_music (Music *m)
+IMPLEMENT_TRANSLATOR_LISTENER (Cluster_spanner_engraver, cluster_note);
+void
+Cluster_spanner_engraver::listen_cluster_note (Stream_event *ev)
 {
-  if (m->is_mus_type ("cluster-note-event"))
-    {
-      cluster_notes_.push (m);
-      return true;
-    }
-  else if (m->is_mus_type ("busy-playing-event"))
-    return cluster_notes_.size ();
-
-  return false;
+  cluster_notes_.push_back (ev);
 }
 
 void
@@ -79,26 +87,24 @@ Cluster_spanner_engraver::process_music ()
       int pmax = INT_MIN;
       int pmin = INT_MAX;
 
-      for (int i = 0; i <cluster_notes_.size (); i++)
+      for (vsize i = 0; i < cluster_notes_.size (); i++)
        {
          Pitch *pit = unsmob_pitch (cluster_notes_[i]->get_property ("pitch"));
 
          int p = (pit ? pit->steps () : 0) + c0;
 
-         pmax = pmax >? p;
-         pmin = pmin <? p;
+         pmax = max (pmax, p);
+         pmin = min (pmin, p);
        }
 
       beacon_ = make_item ("ClusterSpannerBeacon", cluster_notes_[0]->self_scm ());
       beacon_->set_property ("positions",
-                            scm_cons (scm_int2num (pmin),
-                                      scm_int2num (pmax)));
+                            scm_cons (scm_from_int (pmin),
+                                      scm_from_int (pmax)));
     }
 
   if (beacon_ && !spanner_)
-    {
-      spanner_ = make_spanner ("ClusterSpanner", cluster_notes_[0]->self_scm ());
-    }
+    spanner_ = make_spanner ("ClusterSpanner", cluster_notes_[0]->self_scm ());
 
   if (beacon_ && spanner_)
     {
@@ -115,20 +121,28 @@ Cluster_spanner_engraver::stop_translation_timestep ()
 }
 
 void
-Cluster_spanner_engraver::acknowledge_grob (Grob_info info)
+Cluster_spanner_engraver::acknowledge_note_column (Grob_info info)
 {
-  if (!beacon_ && Note_column::has_interface (info.grob_))
+  if (!beacon_ && Note_column::has_interface (info.grob ()))
     {
       finished_spanner_ = spanner_;
       spanner_ = 0;
     }
 }
 
+ADD_ACKNOWLEDGER (Cluster_spanner_engraver, note_column);
 ADD_TRANSLATOR (Cluster_spanner_engraver,
-               /* descr */     "Engraves a cluster using Spanner notation ",
-               /* creats*/     "ClusterSpanner ClusterSpannerBeacon",
-               /* accepts */   "cluster-note-event busy-playing-event",
-               /* acks  */     "note-column-interface",
-               /* reads */     "",
-               /* write */     "");
+               /* doc */
+               "Engrave a cluster using @code{Spanner} notation.",
+
+               /* create */
+               "ClusterSpanner "
+               "ClusterSpannerBeacon ",
+
+               /* read */
+               "",
+
+               /* write */
+               ""
+               );