Fix some bugs in the dynamic engraver and PostScript backend

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

diff --git a/lily/instrument-name-engraver.cc b/lily/instrument-name-engraver.cc
index 69f29134b7ce7baddf6d5407e219ccac3869a9b4..a2bf75a777eb767b1dacf6890f59c7540a7317f6 100644 (file)
--- a/lily/instrument-name-engraver.cc
+++ b/lily/instrument-name-engraver.cc
@@ -1,92 +1,121 @@
-/*   
-  new-staff-margin-engraver.cc --  implement Instrument_name_engraver
-  
+/*
+  instrument-name-engraver.cc -- implement Instrument_name_engraver
+
   source file of the GNU LilyPond music typesetter
-  
-  (c) 2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
+
+  (c) 2000--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
 
 #include "engraver.hh"
-#include "item.hh"
-#include "bar.hh"
-#include "system-start-delimiter.hh"
+#include "spanner.hh"
+#include "pointer-group-interface.hh"
 #include "side-position-interface.hh"
+#include "axis-group-interface.hh"
 #include "align-interface.hh"
+#include "text-interface.hh"
+#include "system.hh"
+
+#include "translator.icc"
 
 class Instrument_name_engraver : public Engraver
 {
-  Item *text_;
-  Score_element * delim_ ;
-
-  void create_text (SCM s);
 public:
-  VIRTUAL_COPY_CONS(Translator);
-  Instrument_name_engraver ();
+  TRANSLATOR_DECLARATIONS (Instrument_name_engraver);
 
-  virtual void acknowledge_element (Score_element_info);
-  virtual void do_pre_move_processing ();
-};
+protected:
+  Spanner *text_spanner_;
 
-ADD_THIS_TRANSLATOR(Instrument_name_engraver);
+  virtual void finalize ();
+  DECLARE_ACKNOWLEDGER (axis_group);
+  void process_music ();
+};
 
 Instrument_name_engraver::Instrument_name_engraver ()
 {
-  text_ = 0;
-  delim_ =0;
+  text_spanner_ = 0;
 }
 
-
 void
-Instrument_name_engraver::do_pre_move_processing ()
+Instrument_name_engraver::process_music ()
 {
-  if (text_)
+  if (!text_spanner_)
     {
-      typeset_element (text_);
-      text_ = 0;
+      SCM long_text = get_property ("instrument");
+      SCM short_text = get_property ("instr");
+
+      if (!(Text_interface::is_markup (long_text)
+           || Text_interface::is_markup (short_text)))
+       {
+         long_text = get_property ("vocalName");
+         short_text = get_property ("vocNam");
+       }
+  
+      if (Text_interface::is_markup (long_text)
+         || Text_interface::is_markup (short_text))
+       {
+         text_spanner_ = make_spanner ("InstrumentName", SCM_EOL);
+         
+         Grob *col = unsmob_grob (get_property ("currentCommandColumn"));
+         text_spanner_->set_bound (LEFT, col);
+         text_spanner_->set_property ("text", short_text);
+         text_spanner_->set_property ("long-text", long_text);
+       }
     }
 }
 
 void
-Instrument_name_engraver::create_text (SCM txt)
+Instrument_name_engraver::acknowledge_axis_group (Grob_info info)
 {
-  if(!text_)
+  if (text_spanner_ 
+      && dynamic_cast<Spanner *> (info.grob ())
+      && Axis_group_interface::has_axis (info.grob (), Y_AXIS)
+      && (!Align_interface::has_interface (info.grob ())))
     {
-      text_ = new Item (get_property ("InstrumentName"));
-      text_->set_elt_property ("text", txt);
-
-      if (delim_)
-       text_->set_parent (delim_, Y_AXIS);
-
-      announce_element (text_,0);
+      Grob *staff = info.grob();
+      Pointer_group_interface::add_grob (text_spanner_, ly_symbol2scm ("elements"), staff);
+      Side_position_interface::add_support (text_spanner_, staff);
     }
 }
 
 void
-Instrument_name_engraver::acknowledge_element (Score_element_info i)
+Instrument_name_engraver::finalize ()
 {
-  SCM s = get_property ("instrument");
-  
-  if (now_mom () > Moment (0))
-    s = get_property ("instr");
-
-  if (gh_string_p (s))
+  if (text_spanner_)
     {
-      if (Bar::has_interface (i.elem_l_))
-       {
-         create_text (s);
-       }
-    }
+      text_spanner_->set_bound (RIGHT,
+                               unsmob_grob (get_property ("currentCommandColumn")));
 
-  if (Align_interface::has_interface (i.elem_l_)
-      && Align_interface::axis  (i.elem_l_) == Y_AXIS      
-      //System_start_delimiter::has_interface (i.elem_l_)
-      && i.origin_trans_l_->daddy_trans_l_ == daddy_trans_l_)
-    {
-      delim_ = i.elem_l_;
+      Pointer_group_interface::set_ordered (text_spanner_, ly_symbol2scm ("elements"), false);
+
+      System *system = get_root_system (text_spanner_);
+
+      /*
+       UGH, should handle this in Score_engraver.
+       */
+      if (system)
+       Axis_group_interface::add_element (system, text_spanner_);
+      else
+       text_spanner_->programming_error ("can't find root system");
     }
 }
 
+#include "translator.icc"
+
+ADD_ACKNOWLEDGER (Instrument_name_engraver, axis_group);
 
+ADD_TRANSLATOR (Instrument_name_engraver,
 
+               /* doc */
+               "Creates a system start text for instrument or vocal names.",
+               
+               /* create */
+               "InstrumentName ",
+               
+               /* accept */
+               "",
+               
+               /* read */
+               "vocNam vocalName instrument instr "
+               "currentCommandColumn",
 
+               /* write */ "");