2 ligature-bracket-engraver.cc -- implement Ligature_bracket_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 2002--2007 Juergen Reuter <reuter@ipd.uka.de>
9 #include "ligature-engraver.hh"
10 #include "note-column.hh"
11 #include "tuplet-bracket.hh"
13 #include "stream-event.hh"
17 #include "translator.icc"
20 * This engraver marks ligatures of any kind by just printing a
21 * horizontal square bracket on top of each ligature. See class
22 * Ligature_engraver for more information on the interaction between
23 * this class and its superclass.
25 class Ligature_bracket_engraver : public Ligature_engraver
28 virtual Spanner *create_ligature_spanner ();
29 virtual void typeset_ligature (Spanner *ligature,
30 vector<Grob_info> primitives);
31 DECLARE_ACKNOWLEDGER (rest);
32 DECLARE_ACKNOWLEDGER (note_column);
33 DECLARE_TRANSLATOR_LISTENER (ligature);
35 TRANSLATOR_DECLARATIONS (Ligature_bracket_engraver);
38 IMPLEMENT_TRANSLATOR_LISTENER (Ligature_bracket_engraver, ligature);
40 Ligature_bracket_engraver::listen_ligature (Stream_event *ev)
42 Ligature_engraver::listen_ligature (ev);
45 Ligature_bracket_engraver::Ligature_bracket_engraver ()
50 Ligature_bracket_engraver::create_ligature_spanner ()
52 return make_spanner ("LigatureBracket", SCM_EOL);
56 Ligature_bracket_engraver::typeset_ligature (Spanner *, vector<Grob_info>)
58 // no real ligature to typeset; the LigatureBracket just does it
62 Ligature_bracket_engraver::acknowledge_note_column (Grob_info info)
64 if (current_ligature ())
66 Tuplet_bracket::add_column (current_ligature (),
67 dynamic_cast<Item *> (info.grob ()));
69 // avoid "junking empty ligature" message by acknowledging dummy
71 Ligature_engraver::acknowledge_note_head (Grob_info ());
76 Ligature_bracket_engraver::acknowledge_rest (Grob_info info)
78 if (current_ligature ())
79 Ligature_engraver::acknowledge_rest (info);
82 ADD_ACKNOWLEDGER (Ligature_bracket_engraver, rest);
83 ADD_ACKNOWLEDGER (Ligature_bracket_engraver, note_column);
85 ADD_TRANSLATOR (Ligature_bracket_engraver,
86 /* doc */ "Handles Ligature_events by engraving Ligature brackets.",
87 /* create */ "TupletBracket",