2 script-column-engraver.cc -- implement Script_column_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1999--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #include "script-column.hh"
11 #include "side-position-interface.hh"
13 #include "translator.icc"
16 Find potentially colliding scripts, and put them in a
17 Script_column, that will fix the collisions. */
18 class Script_column_engraver : public Engraver
21 Link_array<Item> scripts_;
24 TRANSLATOR_DECLARATIONS (Script_column_engraver);
26 DECLARE_ACKNOWLEDGER (side_position);
27 void process_acknowledged ();
28 void stop_translation_timestep ();
31 Script_column_engraver::Script_column_engraver ()
37 Script_column_engraver::stop_translation_timestep ()
44 Script_column_engraver::acknowledge_side_position (Grob_info inf)
46 Item *thing = dynamic_cast<Item *> (inf.grob ());
49 if (!Item::is_breakable (thing)
50 && Side_position_interface::get_axis (inf.grob ()) == Y_AXIS)
51 scripts_.push (thing);
56 Script_column_engraver::process_acknowledged ()
58 if (!scol_ && scripts_.size () > 1)
59 scol_ = make_item ("ScriptColumn", SCM_EOL);
63 for (int i = 0; i < scripts_.size (); i++)
64 Script_column::add_staff_sided (scol_, scripts_[i]);
68 ADD_ACKNOWLEDGER (Script_column_engraver, side_position);
69 ADD_TRANSLATOR (Script_column_engraver,
71 /* create */ "ScriptColumn",