2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2006--2015 Han-Wen Nienhuys <hanwen@lilypond.org>
7 LilyPond is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 LilyPond is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
21 #include "engraver.hh"
23 #include "accidental-placement.hh"
25 #include "script-column.hh"
26 #include "side-position-interface.hh"
28 #include "translator.icc"
31 Find potentially colliding scripts, and put them in a
34 class Script_row_engraver : public Engraver
37 vector<Grob *> scripts_;
40 TRANSLATOR_DECLARATIONS (Script_row_engraver);
42 DECLARE_ACKNOWLEDGER (accidental_placement);
43 DECLARE_ACKNOWLEDGER (side_position);
44 void process_acknowledged ();
45 void stop_translation_timestep ();
48 Script_row_engraver::Script_row_engraver ()
54 Script_row_engraver::stop_translation_timestep ()
58 for (vsize i = 0; i < scripts_.size (); i++)
59 if (has_interface<Accidental_placement> (scripts_[i])
60 || Side_position_interface::get_axis (scripts_[i]) == X_AXIS)
61 Script_column::add_side_positioned (script_row_, scripts_[i]);
69 Script_row_engraver::acknowledge_side_position (Grob_info inf)
71 Item *thing = dynamic_cast<Item *> (inf.grob ());
74 if (!Item::is_non_musical (thing))
75 scripts_.push_back (thing);
80 Script_row_engraver::acknowledge_accidental_placement (Grob_info inf)
82 scripts_.push_back (inf.grob ());
86 Script_row_engraver::process_acknowledged ()
88 if (!script_row_ && scripts_.size () > 1)
89 script_row_ = make_item ("ScriptRow", SCM_EOL);
92 ADD_ACKNOWLEDGER (Script_row_engraver, accidental_placement);
93 ADD_ACKNOWLEDGER (Script_row_engraver, side_position);
94 ADD_TRANSLATOR (Script_row_engraver,
96 "Determine order in horizontal side position elements.",