lily/tab-staff-symbol-engraver.cc

   1 /*
   2   tab-staff-symbol-engraver.cc -- implement Tab_staff_symbol_engraver
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
   7 */
   8
   9 #include "staff-symbol-engraver.hh"
  10 #include "spanner.hh"
  11
  12 class Tab_staff_symbol_engraver : public Staff_symbol_engraver
  13 {
  14 public:
  15   TRANSLATOR_DECLARATIONS (Tab_staff_symbol_engraver);
  16 protected:
  17   virtual void start_spanner ();
  18 };
  19
  20 void
  21 Tab_staff_symbol_engraver::start_spanner ()
  22 {
  23   bool init = !span_;
  24   Staff_symbol_engraver::start_spanner ();
  25   if (init)
  26     {
  27       int k = scm_ilength (get_property ("stringTunings"));
  28       if (k >= 0)
  29         span_->set_property ("line-count", scm_from_int (k));
  30     }
  31 }
  32
  33 Tab_staff_symbol_engraver::Tab_staff_symbol_engraver ()
  34 {
  35 }
  36
  37 #include "translator.icc"
  38
  39 ADD_ACKNOWLEDGER (Tab_staff_symbol_engraver, grob);
  40 ADD_TRANSLATOR (Tab_staff_symbol_engraver,
  41                 /* doc */ "Create a staff-symbol, but look at stringTunings for the number of lines."
  42                 "staff lines.",
  43                 /* create */ "StaffSymbol",
  44                 /* accept */ "staff-span-event",
  45                 /* read */ "stringTunings",
  46                 /* write */ "");