]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/extender-engraver.cc
(get_font_by_design_size): retrieve
[lilypond.git] / lily / extender-engraver.cc
index 35f4db921848d5da8fa0dda91fdc3268cd281a7b..d163ac64864bf527350067d0efac182bcb8eea6b 100644 (file)
@@ -8,18 +8,22 @@
                   Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
-#include "warn.hh"
-#include "lyric-extender.hh"
-#include "item.hh"
-#include "engraver.hh"
 #include "context.hh"
+#include "engraver.hh"
 #include "group-interface.hh"
+#include "item.hh"
+#include "lyric-extender.hh"
+#include "note-head.hh"
+#include "warn.hh"
+
+void completize_extender (Spanner *sp);
 
 class Extender_engraver : public Engraver
 {
-  Music* ev_;
-  Spanner* extender_;
-  Spanner * pending_extender_;  
+  Music *ev_;
+  Spanner *extender_;
+  Spanner *pending_extender_;
+
 public:
   TRANSLATOR_DECLARATIONS (Extender_engraver);
 
@@ -29,13 +33,9 @@ protected:
   virtual bool try_music (Music*);
   virtual void stop_translation_timestep ();
   virtual void process_music ();
-private:
-
 };
 
 
-
-
 Extender_engraver::Extender_engraver ()
 {
   extender_ = 0;
@@ -44,30 +44,27 @@ Extender_engraver::Extender_engraver ()
 }
 
 bool
-Extender_engraver::try_music (Musicr)
+Extender_engraver::try_music (Music *r)
 {
-  if (ev_)
-    return false;
-
-  ev_ = r;
-  return true;
+  if (!ev_)
+    {
+      ev_ = r;
+      return true;
+    }
+  return false;
 }
 
-
 void
 Extender_engraver::process_music ()
 {
   if (ev_)
-    {
-      extender_ = make_spanner ("LyricExtender", ev_->self_scm ());
-    }
+    extender_ = make_spanner ("LyricExtender", ev_->self_scm ());
 }
 
-
 void
 Extender_engraver::acknowledge_grob (Grob_info i)
 {
-  Item * item =  dynamic_cast<Item*> (i.grob_);
+  Item *item = dynamic_cast<Item*> (i.grob_);
 
   if (item
       && item->internal_has_interface (ly_symbol2scm ("lyric-syllable-interface")))
@@ -76,34 +73,37 @@ Extender_engraver::acknowledge_grob (Grob_info i)
        extender_->set_bound (LEFT, item);
 
       if (pending_extender_)
-       pending_extender_->set_bound (RIGHT, item);
+       {
+         pending_extender_->set_property ("next", item->self_scm ());
+         completize_extender (pending_extender_);
+         pending_extender_ = 0;
+       }
     }
 }
 
 void
 Extender_engraver::stop_translation_timestep ()
 {
-  if (pending_extender_ && pending_extender_->get_bound (RIGHT))
-    {
-      typeset_grob (pending_extender_);
-      pending_extender_ = 0;
-    }
-
   if (extender_ || pending_extender_)
     {
       Context *voice = get_voice_to_lyrics (context ());
-      Grob* h =  (voice) ? get_current_note_head (voice) : 0;
+      Grob *h = voice ? get_current_note_head (voice) : 0;
 
       if (h)
        {
          if (extender_)
-           Pointer_group_interface::add_grob (extender_,
-                                              ly_symbol2scm ("heads"), h);
+           {
+             Pointer_group_interface::add_grob (extender_,
+                                                ly_symbol2scm ("heads"), h);
+           }
+         
          if (pending_extender_)
-           Pointer_group_interface::add_grob (pending_extender_,
-                                              ly_symbol2scm ("heads"), h);
-       }           
-
+           {
+             Pointer_group_interface::add_grob (pending_extender_,
+                                                ly_symbol2scm ("heads"), h);
+           }
+       }
+      
       if (extender_)
        {
          pending_extender_ = extender_;
@@ -115,22 +115,20 @@ Extender_engraver::stop_translation_timestep ()
 }
 
 void
-completize_extender (Spannersp)
+completize_extender (Spanner *sp)
 {
   if (!sp->get_bound (RIGHT))
     {
       SCM heads = sp->get_property ("heads");
-      if (ly_c_pair_p (heads))
+      if (scm_is_pair (heads))
        {
-         Item* it = dynamic_cast<Item*> (unsmob_grob (ly_car (heads)));
+         Item *it = dynamic_cast<Item*> (unsmob_grob (scm_car (heads)));
          if (it)
            sp->set_bound (RIGHT, it);
        }
     }
 }
 
-  
-
 void
 Extender_engraver::finalize ()
 {
@@ -140,7 +138,6 @@ Extender_engraver::finalize ()
 
       if (!extender_->get_bound (RIGHT))
        extender_->warning (_ ("unterminated extender"));
-      typeset_grob (extender_);
       extender_ = 0;
     }
 
@@ -149,17 +146,13 @@ Extender_engraver::finalize ()
       completize_extender (pending_extender_);
 
       if (!pending_extender_->get_bound (RIGHT))
-         pending_extender_->warning (_("unterminated extender"));
-      typeset_grob (pending_extender_);
-      pending_extender_ =0;
+       pending_extender_->warning (_ ("unterminated extender"));
+      pending_extender_ = 0;
     }
 }
 
 
-
-
-
-ENTER_DESCRIPTION (Extender_engraver,
+ADD_TRANSLATOR (Extender_engraver,
 /* descr */       "Create lyric extenders",
 /* creats*/       "LyricExtender",
 /* accepts */     "extender-event",