release: 1.3.131

[lilypond.git] / lily / rhythmic-column-engraver.cc

diff --git a/lily/rhythmic-column-engraver.cc b/lily/rhythmic-column-engraver.cc
index 6c31e63337d062d2e1d182226f5e0ac6ac63e71e..a7b89c7c7f305a6617c4eb3c2783f0b6c622ae24 100644 (file)
--- a/lily/rhythmic-column-engraver.cc
+++ b/lily/rhythmic-column-engraver.cc
@@ -3,17 +3,39 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c)  1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
-#include "dimension-cache.hh"
+
 #include "slur.hh"
-#include "rhythmic-column-engraver.hh"
-#include "note-head.hh"
+#include "engraver.hh"
+#include "rhythmic-head.hh"
 #include "stem.hh"
 #include "note-column.hh"
 #include "dot-column.hh"
 #include "musical-request.hh"
+#include "item.hh"
+
+class Rhythmic_column_engraver :public Engraver
+{
+  Link_array<Grob> rhead_l_arr_;
+  Link_array<Grob> grace_slur_endings_;
+  Grob * stem_l_;
+  Grob *ncol_p_;
+  Grob *dotcol_l_;
+
+protected:
+  VIRTUAL_COPY_CONS(Translator);
+  virtual void acknowledge_grob (Grob_info);
+  virtual void create_grobs ();
+  virtual void stop_translation_timestep();
+  virtual void start_translation_timestep();
+public:
+  Rhythmic_column_engraver();
+  
+};
+
+
 
 Rhythmic_column_engraver::Rhythmic_column_engraver()
 {
@@ -24,20 +46,21 @@ Rhythmic_column_engraver::Rhythmic_column_engraver()
 
 
 void
-Rhythmic_column_engraver::process_acknowledged ()
+Rhythmic_column_engraver::create_grobs ()
 {
   if (rhead_l_arr_.size ())
     {
       if (!ncol_p_)
        {
-         ncol_p_ = new Note_column;
-         announce_element (Score_element_info (ncol_p_, 0));
+         ncol_p_ = new Item (get_property("NoteColumn"));
+         Note_column::set_interface (ncol_p_);
+         announce_grob (ncol_p_, 0);
        }
 
       for (int i=0; i < rhead_l_arr_.size (); i++)
        {
          if (!rhead_l_arr_[i]->parent_l(X_AXIS))
-           ncol_p_->add_head (rhead_l_arr_[i]);
+           Note_column::add_head (ncol_p_, rhead_l_arr_[i]);
        }
       rhead_l_arr_.set_size (0);
     }
@@ -46,74 +69,73 @@ Rhythmic_column_engraver::process_acknowledged ()
   if (ncol_p_)
     {
       if (dotcol_l_
-         && !dotcol_l_->parent_l(X_AXIS))
+         && !dotcol_l_->parent_l (X_AXIS))
        {
-         ncol_p_->set_dotcol (dotcol_l_);
+         Note_column::set_dotcol (ncol_p_, dotcol_l_);
        }
 
       if (stem_l_
          && !stem_l_->parent_l(X_AXIS))
        {
-         ncol_p_->set_stem (stem_l_);
+         Note_column::set_stem (ncol_p_, stem_l_);
          stem_l_ = 0;
        }
 
-      SCM wg = get_property ("weAreGraceContext",0);
-      bool wegrace = gh_boolean_p (wg) && gh_scm2bool (wg);
+      SCM wg = get_property ("weAreGraceContext");
+      bool wegrace = to_boolean (wg);
 
       if (!wegrace)
        for (int i=0; i < grace_slur_endings_.size(); i++)
-         grace_slur_endings_[i]->add_column (ncol_p_);
+         Slur::add_column (grace_slur_endings_[i], ncol_p_);
       grace_slur_endings_.clear ();
     }
 }
 
 void
-Rhythmic_column_engraver::acknowledge_element (Score_element_info i)
+Rhythmic_column_engraver::acknowledge_grob (Grob_info i)
 {
-  SCM wg = get_property ("weAreGraceContext",0);
-  bool wegrace = gh_boolean_p (wg) && gh_scm2bool (wg);
-  if ((wegrace !=
-      (i.elem_l_->get_elt_property ("grace") != SCM_UNDEFINED))
-    && !dynamic_cast<Slur*> (i.elem_l_))
+  SCM wg = get_property ("weAreGraceContext");
+  bool wegrace = to_boolean (wg);
+  if (wegrace != to_boolean (i.elem_l_->get_grob_property ("grace"))
+    && !Slur::has_interface (i.elem_l_))
     return ;
   
   Item * item =  dynamic_cast <Item *> (i.elem_l_);
-  if (Stem*s=dynamic_cast<Stem *> (item))
+  if (item && Stem::has_interface (item))
     {
-      stem_l_ = s;
+      stem_l_ = item;
     }
-  else if (Rhythmic_head*r=dynamic_cast<Rhythmic_head *> (item))
+  else if (item && Rhythmic_head::has_interface (item))
     {
-      rhead_l_arr_.push (r);
+      rhead_l_arr_.push (item);
     }
-  else if (Dot_column*d =dynamic_cast<Dot_column *> (item))
+  else if (item && Dot_column::has_interface (item))
     {
-      dotcol_l_ = d;
+      dotcol_l_ = item;
     }
-  else if (Slur *s = dynamic_cast<Slur*> (i.elem_l_))
+  else if (Slur::has_interface (i.elem_l_))
     {
       /*
        end slurs starting on grace notes
        */
       
-      if (s->get_elt_property ("grace") != SCM_UNDEFINED)
-       grace_slur_endings_.push (s);
+      if (to_boolean (i.elem_l_->get_grob_property ("grace")))
+       grace_slur_endings_.push (i.elem_l_);
    }
 }
 
 void
-Rhythmic_column_engraver::do_pre_move_processing()
+Rhythmic_column_engraver::stop_translation_timestep()
 {
   if (ncol_p_) 
     {
-      typeset_element (ncol_p_);
+      typeset_grob (ncol_p_);
       ncol_p_ =0;
     }
 }
 
 void
-Rhythmic_column_engraver::do_post_move_processing()
+Rhythmic_column_engraver::start_translation_timestep()
 {
   grace_slur_endings_.clear ();
   dotcol_l_ =0;