-/*
- horizontal-bracket-engraver.cc -- implement
- Horizontal_bracket_engraver
+/*
+ This file is part of LilyPond, the GNU music typesetter.
-source file of the GNU LilyPond music typesetter
+ Copyright (C) 2002--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
-(c) 2002--2004 Han-Wen Nienhuys <hanwen@cs.uu.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 "side-position-interface.hh"
+#include "international.hh"
+#include "item.hh"
#include "note-column.hh"
-#include "group-interface.hh"
+#include "pointer-group-interface.hh"
+#include "side-position-interface.hh"
+#include "spanner.hh"
+#include "stream-event.hh"
+
+#include "translator.icc"
class Horizontal_bracket_engraver : public Engraver
{
public:
- TRANSLATOR_DECLARATIONS(Horizontal_bracket_engraver);
- Link_array<Spanner> bracket_stack_;
- Link_array<Music> events_;
- int pop_count_;
- int push_count_;
-
- virtual bool try_music(Music*);
- virtual void stop_translation_timestep ();
- virtual void process_music ();
- virtual void acknowledge_grob (Grob_info);
+ TRANSLATOR_DECLARATIONS (Horizontal_bracket_engraver);
+ vector<Spanner *> bracket_stack_;
+ vector<Stream_event *> events_;
+ vsize pop_count_;
+ vsize push_count_;
+
+ void stop_translation_timestep ();
+ void process_music ();
+ void acknowledge_note_column (Grob_info);
+ void listen_note_grouping (Stream_event *);
};
-ENTER_DESCRIPTION(Horizontal_bracket_engraver,
- "Create horizontal brackets over notes for musical analysis purposes.",
- "HorizontalBracket",
- "note-grouping-event",
- "note-column-interface",
- "",
- "");
-
-Horizontal_bracket_engraver::Horizontal_bracket_engraver()
+Horizontal_bracket_engraver::Horizontal_bracket_engraver ()
{
pop_count_ = 0;
push_count_ = 0;
}
-
-bool
-Horizontal_bracket_engraver::try_music (Music *m)
+void
+Horizontal_bracket_engraver::listen_note_grouping (Stream_event *ev)
{
- if (m->is_mus_type ("note-grouping-event"))
+ Direction d = to_dir (ev->get_property ("span-direction"));
+
+ if (d == STOP)
{
- Direction d = to_dir (m->get_property ("span-direction"));
-
- if (d == STOP)
- {
- pop_count_ ++;
- if (pop_count_ > bracket_stack_.size())
- m->origin()->warning (_("Don't have that many brackets."));
- }
- else
- {
- push_count_++;
- events_.push (m);
- }
-
- if (pop_count_ && push_count_)
- m->origin()->warning (_("Conflicting note group events."));
-
- return true;
+ pop_count_++;
+ if (pop_count_ > bracket_stack_.size ())
+ ev->origin ()->warning (_ ("do not have that many brackets"));
}
- return false;
+ else
+ {
+ push_count_++;
+ events_.push_back (ev);
+ }
+
+ if (pop_count_ && push_count_)
+ ev->origin ()->warning (_ ("conflicting note group events"));
}
void
-Horizontal_bracket_engraver::acknowledge_grob (Grob_info gi)
+Horizontal_bracket_engraver::acknowledge_note_column (Grob_info gi)
{
- if (Note_column::has_interface (gi.grob_))
+ for (vsize i = 0; i < bracket_stack_.size (); i++)
{
- for (int i = 0; i < bracket_stack_.size(); i++)
- {
- Side_position_interface::add_support (bracket_stack_[i], gi.grob_);
- Pointer_group_interface::add_grob (bracket_stack_[i],
- ly_symbol2scm ("columns"), gi.grob_);
- add_bound_item (bracket_stack_[i],
- gi.grob_);
- }
+ Side_position_interface::add_support (bracket_stack_[i], gi.grob ());
+ Pointer_group_interface::add_grob (bracket_stack_[i],
+ ly_symbol2scm ("columns"), gi.grob ());
+ add_bound_item (bracket_stack_[i],
+ gi.grob ());
}
}
void
Horizontal_bracket_engraver::process_music ()
{
- for (int k = 0; k < push_count_; k++)
+ for (vsize k = 0; k < push_count_; k++)
{
- Spanner * sp = make_spanner ("HorizontalBracket");
-
- announce_grob (sp, events_[k]->self_scm());
- for (int i = 0; i < bracket_stack_.size(); i++)
- {
- /*
- sp is the smallest, it should be added to the bigger brackets.
- */
- Side_position_interface::add_support (bracket_stack_[i], sp);
- }
- bracket_stack_.push (sp);
+ Spanner *sp = make_spanner ("HorizontalBracket", events_[k]->self_scm ());
+
+ for (vsize i = 0; i < bracket_stack_.size (); i++)
+ /* sp is the smallest, it should be added to the bigger brackets. */
+ Side_position_interface::add_support (bracket_stack_[i], sp);
+ bracket_stack_.push_back (sp);
}
}
-
void
Horizontal_bracket_engraver::stop_translation_timestep ()
{
- for (int i = pop_count_; i--;)
- {
- if (bracket_stack_.size())
- typeset_grob (bracket_stack_.pop());
- }
+ for (vsize i = pop_count_; i--;)
+ if (bracket_stack_.size ())
+ bracket_stack_.pop_back ();
pop_count_ = 0;
push_count_ = 0;
+ events_.clear ();
+}
+
+void
+Horizontal_bracket_engraver::boot ()
+{
+ ADD_LISTENER (Horizontal_bracket_engraver, note_grouping);
+ ADD_ACKNOWLEDGER (Horizontal_bracket_engraver, note_column);
}
+ADD_TRANSLATOR (Horizontal_bracket_engraver,
+ /* doc */
+ "Create horizontal brackets over notes for musical analysis"
+ " purposes.",
+
+ /* create */
+ "HorizontalBracket ",
+
+ /* read */
+ "",
+ /* write */
+ ""
+ );