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>
11 #include "engraver.hh"
12 #include "script-column.hh"
13 #include "side-position-interface.hh"
15 #include "translator.icc"
19 Find potentially colliding scripts, and put them in a
22 class Script_row_engraver : public Engraver
25 vector<Grob*> scripts_;
28 TRANSLATOR_DECLARATIONS (Script_row_engraver);
30 DECLARE_ACKNOWLEDGER (side_position);
31 void process_acknowledged ();
32 void stop_translation_timestep ();
35 Script_row_engraver::Script_row_engraver ()
41 Script_row_engraver::stop_translation_timestep ()
45 for (vsize i = 0; i < scripts_.size (); i++)
46 if (Side_position_interface::get_axis (scripts_[i]) == X_AXIS)
47 Script_column::add_side_positioned (script_row_, scripts_[i]);
55 Script_row_engraver::acknowledge_side_position (Grob_info inf)
57 Item *thing = dynamic_cast<Item *> (inf.grob ());
60 if (!Item::is_non_musical (thing))
61 scripts_.push_back (thing);
66 Script_row_engraver::process_acknowledged ()
68 if (!script_row_ && scripts_.size () > 1)
69 script_row_ = make_item ("ScriptRow", SCM_EOL);
73 ADD_ACKNOWLEDGER (Script_row_engraver, side_position);
74 ADD_TRANSLATOR (Script_row_engraver,
75 /* doc */ "Determine order in horizontal side position elements. ",
76 /* create */ "ScriptRow ",