2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1999--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
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 "engraver.hh"
21 #include "script-column.hh"
22 #include "side-position-interface.hh"
25 #include "translator.icc"
28 Find potentially colliding scripts, and put them in a
29 Script_column, that will fix the collisions. */
30 class Script_column_engraver
: public Engraver
33 vector
<Grob
*> scripts_
;
36 TRANSLATOR_DECLARATIONS (Script_column_engraver
);
38 DECLARE_ACKNOWLEDGER (side_position
);
39 void process_acknowledged ();
40 void stop_translation_timestep ();
43 Script_column_engraver::Script_column_engraver ()
49 Script_column_engraver::stop_translation_timestep ()
53 for (vsize i
= 0; i
< scripts_
.size (); i
++)
54 if (Side_position_interface::get_axis (scripts_
[i
]) == Y_AXIS
)
55 Script_column::add_side_positioned (script_column_
, scripts_
[i
]);
63 Script_column_engraver::acknowledge_side_position (Grob_info inf
)
65 Item
*thing
= dynamic_cast<Item
*> (inf
.grob ());
68 if (!Item::is_non_musical (thing
))
69 scripts_
.push_back (thing
);
74 Script_column_engraver::process_acknowledged ()
76 if (!script_column_
&& scripts_
.size () > 1)
77 script_column_
= make_item ("ScriptColumn", SCM_EOL
);
80 ADD_ACKNOWLEDGER (Script_column_engraver
, side_position
);
81 ADD_TRANSLATOR (Script_column_engraver
,
83 "Find potentially colliding scripts and put them into a"
84 " @code{ScriptColumn} object; that will fix the collisions.",