(Paper_column): copy rank_. This fixes

[lilypond.git] / lily / span-arpeggio-engraver.cc

diff --git a/lily/span-arpeggio-engraver.cc b/lily/span-arpeggio-engraver.cc
index 5608a0cb600ba5e7921125f016821917521c8c70..1c6d9afe3e57e9c806e71d1465dd809db6e371d0 100644 (file)
--- a/lily/span-arpeggio-engraver.cc
+++ b/lily/span-arpeggio-engraver.cc
@@ -3,31 +3,29 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2000--2001 Jan Nieuwenhuizen <janneke@gnu.org>
+  (c) 2000--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+
+  Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "engraver.hh"
-#include "lily-guile.hh"
-#include "item.hh"
 #include "arpeggio.hh"
 #include "group-interface.hh"
 #include "side-position-interface.hh"
 #include "staff-symbol-referencer.hh"
 
-
 /** 
-  Make arpeggios that span multiple staffs.  Catch arpeggios, and span a
+  Make arpeggios that span multiple staves.  Catch arpeggios, and span a
   Span_arpeggio over them if we find more than two arpeggios.
   */
 class Span_arpeggio_engraver : public Engraver
 {
 public:
-  VIRTUAL_COPY_CONS (Translator);
-  Span_arpeggio_engraver ();
-
+  TRANSLATOR_DECLARATIONS (Span_arpeggio_engraver);
+  
 protected:
   virtual void acknowledge_grob (Grob_info);
-  virtual void create_grobs ();
+  virtual void process_acknowledged_grobs ();
   virtual void stop_translation_timestep ();
 
 private:
@@ -44,29 +42,28 @@ Span_arpeggio_engraver::Span_arpeggio_engraver ()
 void
 Span_arpeggio_engraver::acknowledge_grob (Grob_info info)
 {
-    if (info.origin_trans_l_arr (this).size ()
-        && Arpeggio::has_interface (info.elem_l_))
+  if (Arpeggio::has_interface (info.grob_)
+      && info.origin_contexts (this).size ()) // huh? what's this test for? 
     {
-      arpeggios_.push (info.elem_l_);
+      arpeggios_.push (info.grob_);
     }
 }
 
 void
-Span_arpeggio_engraver::create_grobs ()
+Span_arpeggio_engraver::process_acknowledged_grobs ()
 {
   /*
-    connectArpeggios is slightly brusque; we should really read a elt
+    connectArpeggios is slightly brusque; we should really read a grob
     property of the caught non-span arpeggios. That way, we can have
 
     both non-connected and connected arps in one pianostaff.
-    
 
   */
   if (!span_arpeggio_ && arpeggios_.size () > 1
       && to_boolean (get_property ("connectArpeggios")))
     {
-      span_arpeggio_ = new Item (get_property ("Arpeggio"));
-      announce_grob (span_arpeggio_, 0);      
+      span_arpeggio_ = make_item ("Arpeggio", SCM_EOL);
+            
     }
 }
 
@@ -79,27 +76,33 @@ Span_arpeggio_engraver::stop_translation_timestep ()
        we do this very late, to make sure we also catch `extra'
        side-pos support like accidentals.
        */
-      for (int i=0; i < arpeggios_.size (); i ++)
+      for (int i= 0; i < arpeggios_.size (); i ++)
        {
-         for (SCM s = arpeggios_[i]->get_grob_property ("stems");
-              gh_pair_p (s); s = gh_cdr (s))
-           Group_interface::add_thing (span_arpeggio_, "stems", gh_car (s));
-         for (SCM s = arpeggios_[i]->get_grob_property ("side-support-elements");
-              gh_pair_p (s); s = gh_cdr (s))
-           Group_interface::add_thing (span_arpeggio_, "side-support-elements", gh_car (s));
+         for (SCM s = arpeggios_[i]->get_property ("stems");
+              scm_is_pair (s); s = scm_cdr (s))
+           Group_interface::add_thing (span_arpeggio_, ly_symbol2scm ("stems"), scm_car (s));
+         for (SCM s = arpeggios_[i]->get_property ("side-support-elements");
+              scm_is_pair (s); s = scm_cdr (s))
+           Group_interface::add_thing (span_arpeggio_, ly_symbol2scm ("side-support-elements"), scm_car (s));
 
          /*
            we can't kill the children, since we don't want to the
            previous note to bump into the span arpeggio; so we make
            it transparent.  */
-         arpeggios_[i]->set_grob_property ("molecule-callback", SCM_BOOL_T);
+         arpeggios_[i]->set_property ("print-function", SCM_EOL);
        }
       
-      typeset_grob (span_arpeggio_);
       span_arpeggio_ = 0;
     }
   arpeggios_.clear ();
 }
 
-ADD_THIS_TRANSLATOR (Span_arpeggio_engraver);
 
+
+ENTER_DESCRIPTION (Span_arpeggio_engraver,
+/* descr */       "",
+/* creats*/       "Arpeggio",
+/* accepts */     "",
+/* acks  */      "arpeggio-interface",
+/* reads */       "connectArpeggios",
+/* write */       "");