2 arpeggio-engraver.cc -- implement Arpeggio_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 2000--2005 Jan Nieuwenhuizen <janneke@gnu.org>
11 #include "pointer-group-interface.hh"
12 #include "arpeggio.hh"
14 #include "rhythmic-head.hh"
15 #include "side-position-interface.hh"
16 #include "note-column.hh"
18 #include "translator.icc"
20 class Arpeggio_engraver : public Engraver
23 TRANSLATOR_DECLARATIONS (Arpeggio_engraver);
25 void acknowledge_stem (Grob_info);
26 void acknowledge_rhythmic_head (Grob_info);
27 void acknowledge_note_column (Grob_info);
29 void process_music ();
30 void stop_translation_timestep ();
31 virtual bool try_music (Music *);
34 Music *arpeggio_event_;
37 Arpeggio_engraver::Arpeggio_engraver ()
44 Arpeggio_engraver::try_music (Music *m)
52 Arpeggio_engraver::acknowledge_stem (Grob_info info)
56 if (!arpeggio_->get_parent (Y_AXIS))
57 arpeggio_->set_parent (info.grob (), Y_AXIS);
59 Pointer_group_interface::add_grob (arpeggio_,
60 ly_symbol2scm ("stems"),
65 Arpeggio_engraver::acknowledge_rhythmic_head (Grob_info info)
70 We can't catch local key items (accidentals) from Voice context,
71 see Local_key_engraver
73 Side_position_interface::add_support (arpeggio_, info.grob ());
77 Arpeggio_engraver::acknowledge_note_column (Grob_info info)
80 info.grob ()->set_object ("arpeggio", arpeggio_->self_scm ());
84 Arpeggio_engraver::process_music ()
87 arpeggio_ = make_item ("Arpeggio", arpeggio_event_->self_scm ());
91 Arpeggio_engraver::stop_translation_timestep ()
97 ADD_ACKNOWLEDGER (Arpeggio_engraver, stem)
98 ADD_ACKNOWLEDGER (Arpeggio_engraver, rhythmic_head)
99 ADD_ACKNOWLEDGER (Arpeggio_engraver, note_column)
101 ADD_TRANSLATOR (Arpeggio_engraver,
102 /* doc */ "Generate an Arpeggio symbol",
103 /* create */ "Arpeggio",
104 /* accept */ "arpeggio-event",