2 script-row-engraver.cc -- implement Script_row_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 2006 Han-Wen Nienhuys <hanwen@lilypond.org>
10 #include "engraver.hh"
12 #include "accidental-placement.hh"
13 #include "script-column.hh"
14 #include "side-position-interface.hh"
16 #include "translator.icc"
20 Find potentially colliding scripts, and put them in a
23 class Script_row_engraver : public Engraver
26 vector<Grob*> scripts_;
29 TRANSLATOR_DECLARATIONS (Script_row_engraver);
31 DECLARE_ACKNOWLEDGER (accidental_placement);
32 DECLARE_ACKNOWLEDGER (side_position);
33 void process_acknowledged ();
34 void stop_translation_timestep ();
37 Script_row_engraver::Script_row_engraver ()
43 Script_row_engraver::stop_translation_timestep ()
47 for (vsize i = 0; i < scripts_.size (); i++)
48 if (Accidental_placement::has_interface (scripts_[i])
49 || Side_position_interface::get_axis (scripts_[i]) == X_AXIS)
50 Script_column::add_side_positioned (script_row_, scripts_[i]);
58 Script_row_engraver::acknowledge_side_position (Grob_info inf)
60 Item *thing = dynamic_cast<Item *> (inf.grob ());
63 if (!Item::is_non_musical (thing))
64 scripts_.push_back (thing);
70 Script_row_engraver::acknowledge_accidental_placement (Grob_info inf)
72 scripts_.push_back (inf.grob ());
77 Script_row_engraver::process_acknowledged ()
79 if (!script_row_ && scripts_.size () > 1)
80 script_row_ = make_item ("ScriptRow", SCM_EOL);
84 ADD_ACKNOWLEDGER (Script_row_engraver, accidental_placement);
85 ADD_ACKNOWLEDGER (Script_row_engraver, side_position);
86 ADD_TRANSLATOR (Script_row_engraver,
87 /* doc */ "Determine order in horizontal side position elements. ",
88 /* create */ "ScriptRow ",