-/*
+/*
horizontal-bracket-engraver.cc -- implement
- Horizontal_bracket_engraver
+ Horizontal_bracket_engraver
-source file of the GNU LilyPond music typesetter
+ source file of the GNU LilyPond music typesetter
-(c) 2002--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+ (c) 2002--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
#include "engraver.hh"
-#include "side-position-interface.hh"
+#include "international.hh"
#include "note-column.hh"
-#include "group-interface.hh"
+#include "pointer-group-interface.hh"
+#include "side-position-interface.hh"
+#include "stream-event.hh"
+#include "spanner.hh"
+#include "item.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);
+ vector<Spanner*> bracket_stack_;
+ vector<Stream_event*> events_;
+ vsize pop_count_;
+ vsize push_count_;
+
+ void stop_translation_timestep ();
+ void process_music ();
+ DECLARE_ACKNOWLEDGER (note_column);
+ DECLARE_TRANSLATOR_LISTENER (note_grouping);
};
+ADD_ACKNOWLEDGER (Horizontal_bracket_engraver, note_column);
ADD_TRANSLATOR (Horizontal_bracket_engraver,
- "Create horizontal brackets over notes for musical analysis purposes.",
- "HorizontalBracket",
- "note-grouping-event",
- "note-column-interface",
- "",
- "");
+ "Create horizontal brackets over notes for musical analysis purposes.",
+ "HorizontalBracket",
+ "",
+ "");
Horizontal_bracket_engraver::Horizontal_bracket_engraver ()
{
push_count_ = 0;
}
-
-bool
-Horizontal_bracket_engraver::try_music (Music *m)
+IMPLEMENT_TRANSLATOR_LISTENER (Horizontal_bracket_engraver, note_grouping);
+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", 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 ())
- bracket_stack_.pop ();
- }
+ if (bracket_stack_.size ())
+ bracket_stack_.pop_back ();
pop_count_ = 0;
push_count_ = 0;
}
-