-/*
- g-script-column-engraver.cc -- implement Script_column_engraver
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 1999--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
#include "engraver.hh"
#include "script-column.hh"
#include "side-position-interface.hh"
-#include "dimension-cache.hh"
+#include "item.hh"
+
+#include "translator.icc"
/**
Find potentially colliding scripts, and put them in a
Script_column, that will fix the collisions. */
class Script_column_engraver : public Engraver
{
- Script_column *scol_p_;
- Link_array<Item> script_l_arr_;
+ Grob *script_column_;
+ vector<Grob *> scripts_;
public:
- Script_column_engraver ();
- VIRTUAL_COPY_CONS(Translator);
+ TRANSLATOR_DECLARATIONS (Script_column_engraver);
protected:
- virtual void acknowledge_element (Score_element_info);
- virtual void process_acknowledged ();
- virtual void do_pre_move_processing ();
- virtual void do_post_move_processing ();
+ DECLARE_ACKNOWLEDGER (side_position);
+ void process_acknowledged ();
+ void stop_translation_timestep ();
};
-
-Script_column_engraver::Script_column_engraver()
+Script_column_engraver::Script_column_engraver ()
{
- scol_p_ =0;
+ script_column_ = 0;
}
void
-Script_column_engraver::do_pre_move_processing ()
+Script_column_engraver::stop_translation_timestep ()
{
- if (scol_p_)
+ if (script_column_)
{
- typeset_element (scol_p_);
- scol_p_ =0;
+ for (vsize i = 0; i < scripts_.size (); i++)
+ if (Side_position_interface::get_axis (scripts_[i]) == Y_AXIS)
+ Script_column::add_side_positioned (script_column_, scripts_[i]);
}
-}
-
-void
-Script_column_engraver::do_post_move_processing ()
-{
- script_l_arr_.clear ();
+ script_column_ = 0;
+ scripts_.clear ();
}
void
-Script_column_engraver::acknowledge_element( Score_element_info inf)
+Script_column_engraver::acknowledge_side_position (Grob_info inf)
{
- if (side_position (inf.elem_l_).has_interface_b ())
+ Item *thing = dynamic_cast<Item *> (inf.grob ());
+ if (thing)
{
- Item *thing = dynamic_cast<Item*> (inf.elem_l_);
- if (thing
- && !thing->breakable_b ()
- && side_position (inf.elem_l_).get_axis () == Y_AXIS)
- {
- script_l_arr_.push (thing);
- }
+ if (!Item::is_non_musical (thing))
+ scripts_.push_back (thing);
}
}
void
Script_column_engraver::process_acknowledged ()
{
- if (!scol_p_ && script_l_arr_.size () > 1)
- {
- scol_p_ = new Script_column;
- announce_element (Score_element_info (scol_p_, 0));
- }
-
- if (scol_p_)
- {
- for (int i=0; i < script_l_arr_.size (); i++)
- scol_p_->add_staff_sided (script_l_arr_[i]);
- script_l_arr_.clear ();
- }
+ if (!script_column_ && scripts_.size () > 1)
+ script_column_ = make_item ("ScriptColumn", SCM_EOL);
}
-ADD_THIS_TRANSLATOR(Script_column_engraver);
+
+ADD_ACKNOWLEDGER (Script_column_engraver, side_position);
+ADD_TRANSLATOR (Script_column_engraver,
+ /* doc */
+ "Find potentially colliding scripts and put them into a"
+ " @code{ScriptColumn} object; that will fix the collisions.",
+
+ /* create */
+ "ScriptColumn ",
+
+ /* read */
+ "",
+
+ /* write */
+ ""
+ );