source file of the GNU LilyPond music typesetter
- (c) 2000--2005 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 2000--2006 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "engraver.hh"
-#include "group-interface.hh"
+
+#include "pointer-group-interface.hh"
#include "arpeggio.hh"
#include "stem.hh"
#include "rhythmic-head.hh"
#include "side-position-interface.hh"
#include "note-column.hh"
+#include "translator.icc"
+
class Arpeggio_engraver : public Engraver
{
public:
TRANSLATOR_DECLARATIONS (Arpeggio_engraver);
+ void acknowledge_stem (Grob_info);
+ void acknowledge_rhythmic_head (Grob_info);
+ void acknowledge_note_column (Grob_info);
protected:
- virtual void acknowledge_grob (Grob_info);
- virtual void process_music ();
- virtual void stop_translation_timestep ();
+ void process_music ();
+ void stop_translation_timestep ();
virtual bool try_music (Music *);
private:
Item *arpeggio_;
- Music *arpeggio_req_;
+ Music *arpeggio_event_;
};
Arpeggio_engraver::Arpeggio_engraver ()
{
arpeggio_ = 0;
- arpeggio_req_ = 0;
+ arpeggio_event_ = 0;
}
bool
Arpeggio_engraver::try_music (Music *m)
{
- if (!arpeggio_req_)
- {
- arpeggio_req_ = m;
- }
+ if (!arpeggio_event_)
+ arpeggio_event_ = m;
return true;
}
void
-Arpeggio_engraver::acknowledge_grob (Grob_info info)
+Arpeggio_engraver::acknowledge_stem (Grob_info info)
{
if (arpeggio_)
{
- if (Stem::has_interface (info.grob ()))
- {
- if (!arpeggio_->get_parent (Y_AXIS))
- arpeggio_->set_parent (info.grob (), Y_AXIS);
-
- Pointer_group_interface::add_grob (arpeggio_,
- ly_symbol2scm ("stems"),
- info.grob ());
- }
-
- /*
- We can't catch local key items (accidentals) from Voice context,
- see Local_key_engraver
- */
- else if (Rhythmic_head::has_interface (info.grob ()))
- {
- Side_position_interface::add_support (arpeggio_, info.grob ());
- }
- else if (Note_column::has_interface (info.grob ()))
- {
- info.grob ()->set_property ("arpeggio", arpeggio_->self_scm ());
- }
+ if (!arpeggio_->get_parent (Y_AXIS))
+ arpeggio_->set_parent (info.grob (), Y_AXIS);
+
+ Pointer_group_interface::add_grob (arpeggio_,
+ ly_symbol2scm ("stems"),
+ info.grob ());
}
}
+void
+Arpeggio_engraver::acknowledge_rhythmic_head (Grob_info info)
+{
+ if (arpeggio_)
+
+ /*
+ We can't catch local key items (accidentals) from Voice context,
+ see Local_key_engraver
+ */
+ Side_position_interface::add_support (arpeggio_, info.grob ());
+}
+
+void
+Arpeggio_engraver::acknowledge_note_column (Grob_info info)
+{
+ if (arpeggio_)
+ info.grob ()->set_object ("arpeggio", arpeggio_->self_scm ());
+}
void
Arpeggio_engraver::process_music ()
{
- if (arpeggio_req_)
- {
- arpeggio_ = make_item ("Arpeggio", arpeggio_req_->self_scm ());
- }
+ if (arpeggio_event_)
+ arpeggio_ = make_item ("Arpeggio", arpeggio_event_->self_scm ());
}
void
Arpeggio_engraver::stop_translation_timestep ()
{
arpeggio_ = 0;
- arpeggio_req_ = 0;
+ arpeggio_event_ = 0;
}
-ADD_TRANSLATOR (Arpeggio_engraver,
- /* descr */ "Generate an Arpeggio from a Arpeggio_req",
- /* creats*/ "Arpeggio",
- /* accepts */ "arpeggio-event",
- /* acks */ "stem-interface rhythmic-head-interface note-column-interface",
- /* reads */ "",
- /* write */ "");
+ADD_ACKNOWLEDGER (Arpeggio_engraver, stem)
+ ADD_ACKNOWLEDGER (Arpeggio_engraver, rhythmic_head)
+ ADD_ACKNOWLEDGER (Arpeggio_engraver, note_column)
+
+ ADD_TRANSLATOR (Arpeggio_engraver,
+ /* doc */ "Generate an Arpeggio symbol",
+ /* create */ "Arpeggio",
+ /* accept */ "arpeggio-event",
+ /* read */ "",
+ /* write */ "");