2 ligature-bracket-engraver.cc -- implement Ligature_bracket_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 2002--2006 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"
14 #include "translator.icc"
17 * This engraver marks ligatures of any kind by just printing a
18 * horizontal square bracket on top of each ligature. See class
19 * Ligature_engraver for more information on the interaction between
20 * this class and its superclass.
22 class Ligature_bracket_engraver : public Ligature_engraver
25 virtual Spanner *create_ligature_spanner ();
26 virtual void typeset_ligature (Spanner *ligature,
27 vector<Grob_info> primitives);
28 DECLARE_ACKNOWLEDGER (rest);
29 DECLARE_ACKNOWLEDGER (note_column);
30 DECLARE_TRANSLATOR_LISTENER (ligature);
32 TRANSLATOR_DECLARATIONS (Ligature_bracket_engraver);
35 IMPLEMENT_TRANSLATOR_LISTENER (Ligature_bracket_engraver, ligature);
37 Ligature_bracket_engraver::listen_ligature (Stream_event *ev)
39 Ligature_engraver::listen_ligature (ev);
42 Ligature_bracket_engraver::Ligature_bracket_engraver ()
47 Ligature_bracket_engraver::create_ligature_spanner ()
49 return make_spanner ("LigatureBracket", SCM_EOL);
53 Ligature_bracket_engraver::typeset_ligature (Spanner *, vector<Grob_info>)
55 // no real ligature to typeset; the LigatureBracket just does it
59 Ligature_bracket_engraver::acknowledge_note_column (Grob_info info)
61 if (current_ligature ())
63 Tuplet_bracket::add_column (current_ligature (),
64 dynamic_cast<Item *> (info.grob ()));
66 // avoid "junking empty ligature" message by acknowledging dummy
68 Ligature_engraver::acknowledge_note_head (Grob_info ());
73 Ligature_bracket_engraver::acknowledge_rest (Grob_info info)
75 if (current_ligature ())
76 Ligature_engraver::acknowledge_rest (info);
79 ADD_ACKNOWLEDGER (Ligature_bracket_engraver, rest);
80 ADD_ACKNOWLEDGER (Ligature_bracket_engraver, note_column);
81 ADD_TRANSLATOR (Ligature_bracket_engraver,
82 /* doc */ "Handles Ligature_events by engraving Ligature brackets.",
83 /* create */ "TupletBracket",