/*
- rest-collision-reg.cc -- implement Rest_collision_engraver
+ rest-collision-engraver.cc -- implement Rest_collision_engraver
source file of the GNU LilyPond music typesetter
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "warn.hh"
class Rest_collision_engraver : public Engraver
{
- Item* rest_collision_;
- int rest_count_;
+ Item *rest_collision_;
+ int rest_count_;
Link_array<Grob> note_columns_;
protected:
- virtual void acknowledge_grob (Grob_info);
- virtual void process_acknowledged_grobs ();
- virtual void stop_translation_timestep ();
+ DECLARE_ACKNOWLEDGER (note_column);
+ void process_acknowledged ();
+ void stop_translation_timestep ();
public:
- TRANSLATOR_DECLARATIONS(Rest_collision_engraver);
+ TRANSLATOR_DECLARATIONS (Rest_collision_engraver);
};
Rest_collision_engraver::Rest_collision_engraver ()
{
- rest_collision_ =0;
+ rest_collision_ = 0;
rest_count_ = 0;
}
void
-Rest_collision_engraver::process_acknowledged_grobs ()
+Rest_collision_engraver::process_acknowledged ()
{
if (rest_collision_
|| note_columns_.is_empty ()
- || !rest_count_
+ || !rest_count_
|| (note_columns_.size () == rest_count_
- && rest_count_ < 2))
+ && rest_count_ < 2))
return;
- rest_collision_ = make_item ("RestCollision");
+ rest_collision_ = make_item ("RestCollision", SCM_EOL);
- announce_grob(rest_collision_, SCM_EOL);
- for (int i=0; i < note_columns_.size (); i++)
- Rest_collision::add_column (rest_collision_,note_columns_[i]);
+ for (int i = 0; i < note_columns_.size (); i++)
+ Rest_collision::add_column (rest_collision_, note_columns_[i]);
}
void
-Rest_collision_engraver::acknowledge_grob (Grob_info i)
+Rest_collision_engraver::acknowledge_note_column (Grob_info i)
{
- if (Note_column::has_interface (i.grob_))
- {
- note_columns_.push (i.grob_);
- if (Note_column::has_rests (i.grob_))
- rest_count_ ++;
- }
+ note_columns_.push (i.grob ());
+ if (Note_column::has_rests (i.grob ()))
+ rest_count_++;
}
void
Rest_collision_engraver::stop_translation_timestep ()
{
- if (rest_collision_)
- {
- typeset_grob (rest_collision_);
- rest_collision_ = 0;
- }
+ rest_collision_ = 0;
note_columns_.clear ();
rest_count_ = 0;
}
-ENTER_DESCRIPTION(Rest_collision_engraver,
-/* descr */ "Handles collisions of rests.",
-/* creats*/ "RestCollision",
-/* accepts */ "",
-/* acks */ "note-column-interface",
-/* reads */ "",
-/* write */ "");
+#include "translator.icc"
+
+ADD_ACKNOWLEDGER (Rest_collision_engraver, note_column);
+ADD_TRANSLATOR (Rest_collision_engraver,
+ /* doc */ "Handles collisions of rests.",
+ /* create */ "RestCollision",
+ /* accept */ "",
+ /* read */ "",
+ /* write */ "");