2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2002--2010 Juergen Reuter <reuter@ipd.uka.de>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
20 #include "international.hh"
22 #include "ligature-engraver.hh"
23 #include "note-column.hh"
24 #include "tuplet-bracket.hh"
26 #include "stream-event.hh"
30 #include "translator.icc"
32 class Ligature_bracket_engraver
: public Engraver
35 virtual void process_music ();
36 virtual void stop_translation_timestep ();
37 DECLARE_ACKNOWLEDGER (rest
);
38 DECLARE_ACKNOWLEDGER (note_column
);
39 DECLARE_TRANSLATOR_LISTENER (ligature
);
41 TRANSLATOR_DECLARATIONS (Ligature_bracket_engraver
);
44 Drul_array
<Stream_event
*> events_drul_
;
45 Spanner
*finished_ligature_
;
47 Stream_event
*previous_start_event_
;
50 IMPLEMENT_TRANSLATOR_LISTENER (Ligature_bracket_engraver
, ligature
);
52 Ligature_bracket_engraver::listen_ligature (Stream_event
*ev
)
54 Direction d
= to_dir (ev
->get_property ("span-direction"));
55 ASSIGN_EVENT_ONCE (events_drul_
[d
], ev
);
58 Ligature_bracket_engraver::Ligature_bracket_engraver ()
61 finished_ligature_
= 0;
62 events_drul_
[LEFT
] = events_drul_
[RIGHT
] = 0;
63 previous_start_event_
= 0;
67 Ligature_bracket_engraver::process_music()
69 if (events_drul_
[STOP
])
73 events_drul_
[STOP
]->origin ()->warning (_ ("cannot find start of ligature"));
77 finished_ligature_
= ligature_
;
79 previous_start_event_
= 0;
82 if (events_drul_
[START
])
86 events_drul_
[START
]->origin ()->warning (_ ("already have a ligature"));
90 previous_start_event_
= events_drul_
[START
];
91 ligature_
= make_spanner ("LigatureBracket", events_drul_
[START
]->self_scm ());
96 Ligature_bracket_engraver::acknowledge_note_column (Grob_info info
)
100 Tuplet_bracket::add_column (ligature_
,
102 add_bound_item (ligature_
, info
.item());
107 Ligature_bracket_engraver::acknowledge_rest (Grob_info info
)
109 acknowledge_note_column(info
);
114 Ligature_bracket_engraver::stop_translation_timestep ()
117 events_drul_
[RIGHT
] = 0;
118 finished_ligature_
= 0;
121 ADD_ACKNOWLEDGER (Ligature_bracket_engraver
, rest
);
122 ADD_ACKNOWLEDGER (Ligature_bracket_engraver
, note_column
);
124 ADD_TRANSLATOR (Ligature_bracket_engraver
,
126 "Handle @code{Ligature_events} by engraving @code{Ligature}"