new file.

[lilypond.git] / lily / instrument-name-engraver.cc

diff --git a/lily/instrument-name-engraver.cc b/lily/instrument-name-engraver.cc
index ed8ff27d7bd8b697aec28d03a749e113bcd82e08..74bb0b21a40e946c7cfb08d3d85a5fc0b9560ae3 100644 (file)
--- a/lily/instrument-name-engraver.cc
+++ b/lily/instrument-name-engraver.cc
@@ -1,50 +1,46 @@
 /*   
-  instrument-name-engraver.cc --  implement Instrument_name_engraver
+  instrument-name-engraver.cc -- implement Instrument_name_engraver
   
   source file of the GNU LilyPond music typesetter
   
-  (c) 2000--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 2000--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   
  */
 
 #include "engraver.hh"
-#include "item.hh"
 #include "bar-line.hh"
 #include "system-start-delimiter.hh"
 #include "side-position-interface.hh"
 #include "align-interface.hh"
 #include "axis-group-interface.hh"
-#include "translator-group.hh"
+#include "context.hh"
 #include "text-item.hh"
 
 class Instrument_name_engraver : public Engraver
 {
-  Item *text_;
-  Grob *delim_ ;
   
-  void create_text ();
 public:
-  TRANSLATOR_DECLARATIONS(Instrument_name_engraver);
+  TRANSLATOR_DECLARATIONS (Instrument_name_engraver);
 
+protected:
+  Grob *text_;
+
+  virtual void create_text ();
   virtual void initialize ();
   virtual void acknowledge_grob (Grob_info);
   virtual void stop_translation_timestep ();
   virtual void process_music ();
 };
 
-
-
 Instrument_name_engraver::Instrument_name_engraver ()
 {
   text_ = 0;
-  delim_ =0;
 }
 
-
 void
 Instrument_name_engraver::initialize ()
 {
-  daddy_trans_->set_property ("instrumentSupport", SCM_EOL); 
+  context ()->set_property ("instrumentSupport", SCM_EOL); 
 }
 
 void
@@ -52,9 +48,8 @@ Instrument_name_engraver::stop_translation_timestep ()
 {
   if (text_)
     {
-      text_->set_grob_property ("side-support-elements",
-                               get_property ("instrumentSupport"));
-      typeset_grob (text_);
+      text_->set_property ("side-support-elements",
+                          get_property ("instrumentSupport"));
       text_ = 0;
     }
 }
@@ -62,31 +57,25 @@ Instrument_name_engraver::stop_translation_timestep ()
 void
 Instrument_name_engraver::create_text ()
 {
-   if (!text_)
-    {
-      SCM txt = get_property ("instrument");
+  if (text_)
+    return ;
   
-      if (now_mom () > Moment (0))
-       txt = get_property ("instr");
-      /*
-       UGH.
-      */
-      if (txt == SCM_EOL)
-       return ;
-      
-      text_ = new Item (get_property ("InstrumentName"));
-      
-      if (text_->get_grob_property ("text") != txt)
-       text_->set_grob_property ("text", txt);
+  SCM txt = get_property ("instrument");
+  
+  if (now_mom () > Moment (0))
+    txt = get_property ("instr");
+  /*
+    UGH.
+  */
+  if (txt == SCM_EOL)
+    return ;
 
-      if (new_markup_p (txt))
-       text_->set_grob_property ("molecule-callback", new_markup_brewer());
-      
-      if (delim_)
-        text_->set_parent (delim_, Y_AXIS);
+  
+  text_ = make_item ("InstrumentName", SCM_EOL);
       
-      announce_grob (text_, SCM_EOL);
-    }
+  if (text_->get_property ("text") != txt)
+    text_->set_property ("text", txt);
+  
 }
 
 void
@@ -94,11 +83,16 @@ Instrument_name_engraver::acknowledge_grob (Grob_info i)
 {
   if (Bar_line::has_interface (i.grob_))
     {
-      create_text();
+      create_text ();
     }
 
+  /*
+    Ugh - typechecking for pedal and dynamic sucks.
+   */
   if (dynamic_cast<Spanner*> (i.grob_)
-      && i.grob_->internal_has_interface (ly_symbol2scm ("dynamic-interface")))
+      && (i.grob_->internal_has_interface (ly_symbol2scm ("dynamic-interface"))
+         || i.grob_->internal_has_interface (ly_symbol2scm ("piano-pedal-interface")))
+         )
     return;
 
   /*
@@ -112,13 +106,13 @@ Instrument_name_engraver::acknowledge_grob (Grob_info i)
   */
   if (dynamic_cast<Spanner*> (i.grob_)
       && ((Axis_group_interface::has_interface (i.grob_)
-          && Axis_group_interface::axis_b (i.grob_, Y_AXIS)))
+          && Axis_group_interface::has_axis (i.grob_, Y_AXIS)))
       && !Align_interface::has_interface (i.grob_))
     {
-      SCM nl = gh_cons (i.grob_->self_scm (),
+      SCM nl = scm_cons (i.grob_->self_scm (),
                        get_property ("instrumentSupport"));
 
-      daddy_trans_->set_property ("instrumentSupport", nl);
+      context ()->set_property ("instrumentSupport", nl);
     }
 }
 
@@ -129,11 +123,11 @@ Instrument_name_engraver::process_music ()
     Also create text if barlines in other groups. This allows
     a name to be attached to lyrics or chords. 
    */
-  if (gh_string_p (get_property ("whichBar")))
-    create_text();
+  if (scm_is_string (get_property ("whichBar")))
+    create_text ();
 }
 
-ENTER_DESCRIPTION(Instrument_name_engraver,
+ADD_TRANSLATOR (Instrument_name_engraver,
 /* descr */       " Prints the name of the instrument (specified by "
 " @code{Staff.instrument} and @code{Staff.instr}) "
 "at the left of the staff. ",
@@ -142,3 +136,55 @@ ENTER_DESCRIPTION(Instrument_name_engraver,
 /* acks  */      "bar-line-interface axis-group-interface",
 /* reads */       "instrument instr",
 /* write */       "");
+
+/****************************************************************/
+
+
+class Vocal_name_engraver : public Instrument_name_engraver
+{
+public:
+  TRANSLATOR_DECLARATIONS (Vocal_name_engraver);
+  virtual void create_text ();
+};
+
+
+Vocal_name_engraver::Vocal_name_engraver ()
+{
+}
+
+
+void
+Vocal_name_engraver::create_text ()
+{
+  if (text_)
+    return ;
+  
+  SCM txt = get_property ("vocalName");
+  
+  if (now_mom () > Moment (0))
+    txt = get_property ("vocNam");
+
+  /*
+    UGH.
+  */
+  if (txt == SCM_EOL)
+    return ;
+  
+  text_ = make_item ("VocalName", SCM_EOL);
+      
+  if (text_->get_property ("text") != txt)
+    text_->set_property ("text", txt);
+  
+}
+
+
+
+ADD_TRANSLATOR (Vocal_name_engraver,
+/* descr */       " Prints the name of the a lyric voice (specified by "
+" @code{Staff.vocalName} and @code{Staff.vocNam}) "
+"at the left of the staff. ",
+/* creats*/       "VocalName",
+/* accepts */     "",
+/* acks  */      "bar-line-interface axis-group-interface",
+/* reads */       "vocNam vocalName",
+/* write */       "");