]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/figured-bass-engraver.cc
Merge with master
[lilypond.git] / lily / figured-bass-engraver.cc
index 16132f778ab0a6d7ee5fcc2ad6313d6042d60667..5fe9624041c428109284624d048d73f217c3c476 100644 (file)
@@ -3,22 +3,21 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 2005--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
 */
 
 #include "engraver.hh"
 
+#include "align-interface.hh"
+#include "axis-group-interface.hh"
 #include "context.hh"
-#include "music.hh"
+#include "grob-array.hh"
 #include "item.hh"
-#include "spanner.hh"
-#include "axis-group-interface.hh"
-#include "align-interface.hh"
 #include "pointer-group-interface.hh"
+#include "spanner.hh"
+#include "stream-event.hh"
 #include "text-interface.hh"
-#include "grob-array.hh"
-
 
 #include "translator.icc"
 
@@ -31,7 +30,7 @@ struct Figure_group
   SCM alteration_;
   
   Item *figure_item_; 
-  Music *current_music_;
+  Stream_event *current_event_;
   bool force_no_continuation_;
   
   Figure_group ()
@@ -42,17 +41,17 @@ struct Figure_group
     number_ = SCM_EOL;
     alteration_ = SCM_EOL;
     group_ = 0;
-    current_music_ = 0;
+    current_event_ = 0;
   }
   bool is_continuation () const
   {
     return
-      current_music_
+      current_event_
       && !force_no_continuation_
       && ly_is_equal (number_,
-                     current_music_->get_property ("figure"))
+                     current_event_->get_property ("figure"))
       && ly_is_equal (alteration_,
-                     current_music_->get_property ("alteration"));
+                     current_event_->get_property ("alteration"));
   }
 };
 
@@ -63,19 +62,21 @@ struct Figured_bass_engraver : public Engraver
   void add_brackets ();
   void create_grobs ();
 
-  void center_continuations (Link_array<Spanner> const &consecutive_lines);
+  void center_continuations (vector<Spanner*> const &consecutive_lines);
   void center_repeated_continuations ();
 protected:
-  Array<Figure_group> groups_;
+  vector<Figure_group> groups_;
   Spanner *alignment_;
-  Link_array<Music> new_musics_;
+  vector<Stream_event *> new_events_;
   bool continuation_;
-  bool new_music_found_;
+  bool new_event_found_;
   
   Moment stop_moment_;
-  Music *rest_event_; 
-  
-  virtual bool try_music (Music *);
+  Stream_event *rest_event_; 
+
+  DECLARE_TRANSLATOR_LISTENER (rest);
+  DECLARE_TRANSLATOR_LISTENER (bass_figure);
+
   virtual void derived_mark () const; 
 
   void start_translation_timestep ();
@@ -86,7 +87,7 @@ protected:
 void
 Figured_bass_engraver::derived_mark () const
 {
-  for (int i = 0; i < groups_.size (); i++)
+  for (vsize i = 0; i < groups_.size (); i++)
     {
       scm_gc_mark (groups_[i].number_);
       scm_gc_mark (groups_[i].alteration_);
@@ -96,13 +97,14 @@ Figured_bass_engraver::derived_mark () const
 void
 Figured_bass_engraver::stop_translation_timestep ()
 {
-  if (groups_.is_empty ()
-      || now_mom ().main_part_ < stop_moment_.main_part_)
+  if (groups_.empty ()
+      || now_mom ().main_part_ < stop_moment_.main_part_
+      || now_mom ().grace_part_ < Rational (0))
     return ;
   
   bool found = false;
-  for (int i = 0; !found && i < groups_.size (); i++)
-    found  = found  || groups_[i].current_music_;
+  for (vsize i = 0; !found && i < groups_.size (); i++)
+    found  = found  || groups_[i].current_event_;
 
   if (!found)
     clear_spanners ();
@@ -113,70 +115,82 @@ Figured_bass_engraver::Figured_bass_engraver ()
   alignment_ = 0;
   continuation_ = false;
   rest_event_ = 0;
-  new_music_found_ = false;
+  new_event_found_ = false;
 }
 
 void
 Figured_bass_engraver::start_translation_timestep ()
 {
-  if (now_mom ().main_part_ < stop_moment_.main_part_)
+  if (now_mom ().main_part_ < stop_moment_.main_part_
+      || now_mom ().grace_part_ < Rational (0))
     return ;
   
   rest_event_ = 0;
-  new_musics_.clear ();
-  for (int i = 0; i < groups_.size (); i++)
-    {
-      groups_[i].current_music_ = 0;
-    }
+  new_events_.clear ();
+  for (vsize i = 0; i < groups_.size (); i++)
+    groups_[i].current_event_ = 0;
+
   continuation_ = false;
+
+  
 }
 
-bool
-Figured_bass_engraver::try_music (Music *m)
+IMPLEMENT_TRANSLATOR_LISTENER (Figured_bass_engraver, rest);
+void
+Figured_bass_engraver::listen_rest (Stream_event *ev)
 {
-  new_music_found_ = true;
-  if (m->is_mus_type ("rest-event"))
+  if (to_boolean (get_property ("ignoreFiguredBassRest")))
     {
-      rest_event_ = m;
-      return true;
+      new_event_found_ = true;
+
+      /*
+       No ASSIGN_EVENT_ONCE() ; otherwise we get warnings about
+       polyphonic rests.
+       */
+      rest_event_ = ev;
     }
-  else
+}
+
+IMPLEMENT_TRANSLATOR_LISTENER (Figured_bass_engraver, bass_figure);
+void
+Figured_bass_engraver::listen_bass_figure (Stream_event *ev)
+{
+  new_event_found_ = true;
+  Moment stop  = now_mom () + get_event_length (ev);
+  stop_moment_ = max (stop_moment_, stop);
+
+  if (to_boolean (get_property ("useBassFigureExtenders")))
     {
-      stop_moment_ = now_mom () + m->get_length ();
-     
-      SCM fig = m->get_property ("figure");
-      for (int i = 0; i < groups_.size (); i++)
+      SCM fig = ev->get_property ("figure");
+      for (vsize i = 0; i < groups_.size (); i++)
        {
-         if (!groups_[i].current_music_
+         if (!groups_[i].current_event_
              && ly_is_equal (groups_[i].number_, fig))
            {
-             groups_[i].current_music_ = m;
+             groups_[i].current_event_ = ev;
              groups_[i].force_no_continuation_
-               = to_boolean (m->get_property ("no-continuation"));
+               = to_boolean (ev->get_property ("no-continuation"));
              continuation_ = true;
-             return true
+             return; 
            }
        }
-
-      new_musics_.push (m);
-
-      return true;
-    }
+    }  
+  new_events_.push_back (ev);
 }
 
 void
-Figured_bass_engraver::center_continuations (Link_array<Spanner> const &consecutive_lines)
+Figured_bass_engraver::center_continuations (vector<Spanner*> const &consecutive_lines)
 {
   if (consecutive_lines.size () == 2)
     {
-      Link_array<Grob> left_figs;
-      for (int j = consecutive_lines.size(); j--;)
-       left_figs.push (consecutive_lines[j]->get_bound (LEFT));
+      vector<Grob*> left_figs;
+      for (vsize j = consecutive_lines.size(); j--;)
+       left_figs.push_back (consecutive_lines[j]->get_bound (LEFT));
 
       SCM  ga = Grob_array::make_array ();
       unsmob_grob_array (ga)->set_array (left_figs);
 
-      for (int j = consecutive_lines.size(); j--;)
+      for (vsize j = consecutive_lines.size(); j--;)
        consecutive_lines[j]->set_object ("figures",
                                          unsmob_grob_array (ga)->smobbed_copy ());
     }
@@ -185,19 +199,17 @@ Figured_bass_engraver::center_continuations (Link_array<Spanner> const &consecut
 void
 Figured_bass_engraver::center_repeated_continuations ()
 {  
-  Link_array<Spanner> consecutive_lines;
-  for (int i = 0; i <= groups_.size(); i++)
+  vector<Spanner*> consecutive_lines;
+  for (vsize i = 0; i <= groups_.size(); i++)
     {
       if (i < groups_.size ()
          && groups_[i].continuation_line_
-         && (consecutive_lines.is_empty ()
+         && (consecutive_lines.empty ()
              || (consecutive_lines[0]->get_bound(LEFT)->get_column ()
                  == groups_[i].continuation_line_->get_bound (LEFT)->get_column ()
                  && consecutive_lines[0]->get_bound(RIGHT)->get_column ()
                  == groups_[i].continuation_line_->get_bound (RIGHT)->get_column ())))
-       {
-         consecutive_lines.push (groups_[i].continuation_line_);         
-       }
+       consecutive_lines.push_back (groups_[i].continuation_line_);      
       else 
        {
          center_continuations (consecutive_lines);
@@ -211,38 +223,56 @@ Figured_bass_engraver::clear_spanners ()
 {
   if (!alignment_)
     return;
-  
-  alignment_ = 0;
+
+  if (alignment_)
+    {
+      announce_end_grob (alignment_, SCM_EOL);
+      alignment_ = 0;
+    }
+
   if (to_boolean (get_property ("figuredBassCenterContinuations")))
     center_repeated_continuations();
   
-  groups_.clear ();
+  for (vsize i = 0; i < groups_.size (); i++)
+    {
+      if (groups_[i].group_)
+       {
+         announce_end_grob (groups_[i].group_ , SCM_EOL);
+         groups_[i].group_ = 0;
+       }
+      
+      if (groups_[i].continuation_line_)
+       {
+         announce_end_grob (groups_[i].continuation_line_ , SCM_EOL);
+         groups_[i].continuation_line_ = 0;
+       }
+    }
+
+  /* Check me, groups_.clear () ? */
 }
 
 void
 Figured_bass_engraver::add_brackets ()
 {
-  Link_array<Grob> encompass;
+  vector<Grob*> encompass;
   bool inside = false;
-  for (int i = 0; i < groups_.size (); i ++)
+  for (vsize i = 0; i < groups_.size (); i ++)
     {
-      if (!groups_[i].current_music_)
+      if (!groups_[i].current_event_)
        continue;
       
-      if (to_boolean (groups_[i].current_music_->get_property ("bracket-start")))      
-       {
-         inside = true;
-       }
+      if (to_boolean (groups_[i].current_event_->get_property ("bracket-start")))      
+       inside = true;
 
       if (inside && groups_[i].figure_item_)
-       encompass.push (groups_[i].figure_item_);
+       encompass.push_back (groups_[i].figure_item_);
 
-       if (to_boolean (groups_[i].current_music_->get_property ("bracket-stop")))
+       if (to_boolean (groups_[i].current_event_->get_property ("bracket-stop")))
        {
          inside = false;
 
-         Item * brack = make_item ("BassFigureBracket", groups_[i].current_music_->self_scm ());
-         for (int j = 0; j < encompass.size (); j++)
+         Item * brack = make_item ("BassFigureBracket", groups_[i].current_event_->self_scm ());
+         for (vsize j = 0; j < encompass.size (); j++)
            {
              Pointer_group_interface::add_grob (brack,
                                                 ly_symbol2scm ("elements"),
@@ -256,23 +286,28 @@ Figured_bass_engraver::add_brackets ()
 void
 Figured_bass_engraver::process_music ()
 {
+  if (alignment_ && !to_boolean (get_property ("useBassFigureExtenders")))
+    clear_spanners ();
+        
   if (rest_event_)
     {
       clear_spanners ();
+      groups_.clear ();
       return;
     }
   
   if (!continuation_
-      && new_musics_.is_empty ())
+      && new_events_.empty ())
     {
       clear_spanners ();
+      groups_.clear ();
       return;
     }
 
-  if (!new_music_found_)
-    return ;
+  if (!new_event_found_)
+    return;
   
-  new_music_found_ = false;
+  new_event_found_ = false;
 
   /*
     Don't need to sync alignments, if we're not using extenders. 
@@ -280,40 +315,34 @@ Figured_bass_engraver::process_music ()
   bool use_extenders = to_boolean (get_property ("useBassFigureExtenders"));
   if (!use_extenders)
     {
-      if (to_boolean (get_property ("figuredBassCenterContinuations")))
-       center_repeated_continuations ();
-      alignment_ = 0;
-      for (int i = 0; i < groups_.size (); i++)
-       {
-         groups_[i].group_ = 0;
-         groups_[i].continuation_line_ = 0;
-       }
+      clear_spanners ();
     }
   
   if (!continuation_)
     {
       clear_spanners ();
+      groups_.clear ();
     }
-  
-  int k = 0;
-  for (int i = 0; i < new_musics_.size (); i++)
+
+  vsize k = 0;
+  for (vsize i = 0; i < new_events_.size (); i++)
     {
-      while (k < groups_.size() &&
-            groups_[k].current_music_)
+      while (k < groups_.size ()
+            && groups_[k].current_event_)
        k++;
       
       if (k >= groups_.size ())
        {
          Figure_group group;
-         groups_.push (group);
+         groups_.push_back (group);
        }
       
-      groups_[k].current_music_ = new_musics_[i];
+      groups_[k].current_event_ = new_events_[i];
       groups_[k].figure_item_ = 0;
       k++;
     }
 
-  for (int i = 0; i < groups_.size (); i++)
+  for (vsize i = 0; i < groups_.size (); i++)
     {
       if (!groups_[i].is_continuation ())
        {
@@ -324,10 +353,10 @@ Figured_bass_engraver::process_music ()
 
   if (use_extenders)
     {
-      Array<int> junk_continuations;
-      for (int i = 0; i < groups_.size(); i++)
+      vector<int> junk_continuations;
+      for (vsize i = 0; i < groups_.size(); i++)
        {
-               Figure_group &group = groups_[i];
+         Figure_group &group = groups_[i];
 
          if (group.is_continuation ())
            {
@@ -349,27 +378,30 @@ Figured_bass_engraver::process_music ()
                }
            }
          else if (group.continuation_line_) 
-           junk_continuations.push (i); 
+           junk_continuations.push_back (i); 
        }
 
       /*
        Ugh, repeated code.
        */
-      Link_array<Spanner> consecutive;
-      for (int i = 0; i <= junk_continuations.size (); i++)
+      vector<Spanner*> consecutive;
+      if (to_boolean (get_property ("figuredBassCenterContinuations")))
        {
-         if (i < junk_continuations.size()
-             && (i == 0 || junk_continuations[i-1] == junk_continuations[i] - 1))
-           consecutive.push (groups_[junk_continuations[i]].continuation_line_);
-         else 
+         for (vsize i = 0; i <= junk_continuations.size (); i++)
            {
-             center_continuations (consecutive);
-             consecutive.clear ();
-             if (i < junk_continuations.size ())
-               consecutive.push (groups_[junk_continuations[i]].continuation_line_);
+             if (i < junk_continuations.size()
+                 && (i == 0 || junk_continuations[i-1] == junk_continuations[i] - 1))
+               consecutive.push_back (groups_[junk_continuations[i]].continuation_line_);
+             else 
+               {
+                 center_continuations (consecutive);
+                 consecutive.clear ();
+                 if (i < junk_continuations.size ())
+                   consecutive.push_back (groups_[junk_continuations[i]].continuation_line_);
+               }
            }
        }
-      for (int i = 0; i < junk_continuations.size (); i++)
+      for (vsize i = 0; i < junk_continuations.size (); i++)
        groups_[junk_continuations[i]].continuation_line_ = 0;
     }
   
@@ -389,18 +421,18 @@ Figured_bass_engraver::create_grobs ()
   alignment_->set_bound (RIGHT, muscol);
 
   SCM proc = get_property ("figuredBassFormatter");
-  for (int i = 0; i < groups_.size(); i++)
+  for (vsize i = 0; i < groups_.size(); i++)
     {
       Figure_group &group = groups_[i];
       
-      if (group.current_music_)
+      if (group.current_event_)
        {
          Item *item
            = make_item ("BassFigure",
-                        group.current_music_->self_scm ());
+                        group.current_event_->self_scm ());
 
          
-         SCM fig = group.current_music_->get_property ("figure");
+         SCM fig = group.current_event_->get_property ("figure");
          if (!group.group_)
            {
              group.group_ = make_spanner ("BassFigureLine", SCM_EOL);
@@ -416,13 +448,13 @@ Figured_bass_engraver::create_grobs ()
            }
          
          group.number_ = fig;
-         group.alteration_ = group.current_music_->get_property ("alteration");
+         group.alteration_ = group.current_event_->get_property ("alteration");
 
-         SCM text = group.current_music_->get_property ("text");
+         SCM text = group.current_event_->get_property ("text");
          if (!Text_interface::is_markup (text)
              && ly_is_procedure (proc))
            {
-             text = scm_call_3 (proc, fig, group.current_music_->self_scm (),
+             text = scm_call_3 (proc, fig, group.current_event_->self_scm (),
                                 context ()->self_scm ());
            }
 
@@ -440,10 +472,10 @@ Figured_bass_engraver::create_grobs ()
          group.figure_item_->set_property ("transparent", SCM_BOOL_T);
          group.continuation_line_->set_bound (RIGHT, group.figure_item_);
        }
-
       
       if (groups_[i].group_)
        groups_[i].group_->set_bound (RIGHT, muscol);
+
     }
 
 }
@@ -455,19 +487,19 @@ ADD_TRANSLATOR (Figured_bass_engraver,
                /* create */
                "BassFigure "
                "BassFigureAlignment "
-               "BassFigureBracket",
+               "BassFigureBracket "
                "BassFigureContinuation "
                "BassFigureLine "
-
-               /* accept */
-               "bass-figure-event rest-event",
+               ,
 
                /* read */
+               "figuredBassAlterationDirection "
                "figuredBassCenterContinuations "
-               "implicitBassFigures "
                "figuredBassFormatter "
-               "figuredBassAlterationDirection "
-               "useBassFigureExtenders",
+               "implicitBassFigures "
+               "useBassFigureExtenders "
+               "ignoreFiguredBassRest "
+               ,
 
                /* write */
                "");