-/*
- fingering-engraver.cc -- implement Fingering_engraver
-
+/*
+ fingering-engraver.cc -- implement Fingering_engraver
+
source file of the GNU LilyPond music typesetter
-
- (c) 1998--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+
+ (c) 1998--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
#include "engraver.hh"
-#include "side-position-interface.hh"
-#include "stem.hh"
+#include "pitch.hh"
#include "rhythmic-head.hh"
#include "self-alignment-interface.hh"
+#include "side-position-interface.hh"
+#include "stem.hh"
+#include "stream-event.hh"
+#include "item.hh"
+
+#include "translator.icc"
class Fingering_engraver : public Engraver
{
- Link_array<Music> reqs_;
- Link_array<Item> fingerings_;
+ vector<Stream_event*> events_;
+ vector<Item*> fingerings_;
public:
TRANSLATOR_DECLARATIONS (Fingering_engraver);
protected:
- virtual bool try_music (Music* m);
- virtual void stop_translation_timestep ();
- virtual void start_translation_timestep ();
- virtual void process_music ();
- virtual void acknowledge_grob (Grob_info);
+ void stop_translation_timestep ();
+ void process_music ();
+ DECLARE_TRANSLATOR_LISTENER (fingering);
+ DECLARE_TRANSLATOR_LISTENER (stroke_finger);
+ DECLARE_ACKNOWLEDGER (rhythmic_head);
+ DECLARE_ACKNOWLEDGER (stem);
private:
- void make_script (Direction, Music*, int);
+ void make_script (Direction, Stream_event *, int);
};
-bool
-Fingering_engraver::try_music (Music *m)
+IMPLEMENT_TRANSLATOR_LISTENER (Fingering_engraver, fingering);
+void
+Fingering_engraver::listen_fingering (Stream_event *ev)
{
- if (m->is_mus_type ("fingering-event"))
- {
- reqs_.push (m);
- return true;
- }
- return false;
+ events_.push_back (ev);
}
+IMPLEMENT_TRANSLATOR_LISTENER (Fingering_engraver, stroke_finger);
void
-Fingering_engraver::acknowledge_grob (Grob_info inf)
+Fingering_engraver::listen_stroke_finger (Stream_event * /* ev */)
{
- if (Stem::has_interface (inf.grob_))
- {
- for (int i = 0; i < fingerings_.size (); i++)
- {
- Side_position_interface::add_support (fingerings_[i], inf.grob_);
- }
- }
- else if (Rhythmic_head::has_interface (inf.grob_))
+ /*
+ FIXME: should do something.
+
+ This function is mainly here to shut up a warning
+ */
+}
+
+void
+Fingering_engraver::acknowledge_stem (Grob_info inf)
+{
+ for (vsize i = 0; i < fingerings_.size (); i++)
+ Side_position_interface::add_support (fingerings_[i], inf.grob ());
+}
+
+void
+Fingering_engraver::acknowledge_rhythmic_head (Grob_info inf)
+{
+ for (vsize i = 0; i < fingerings_.size (); i++)
{
- for (int i = 0; i < fingerings_.size (); i++)
- {
- Grob*t = fingerings_[i];
- Side_position_interface::add_support (t, inf.grob_);
- if (!t->get_parent (X_AXIS))
- t->set_parent (inf.grob_, X_AXIS);
- }
+ Grob *t = fingerings_[i];
+ Side_position_interface::add_support (t, inf.grob ());
+ if (!t->get_parent (X_AXIS))
+ t->set_parent (inf.grob (), X_AXIS);
}
}
void
Fingering_engraver::process_music ()
{
- for (int i = reqs_.size (); i--;)
+ for (vsize i = events_.size (); i--;)
{
- SCM dir = reqs_[i]->get_property ("direction");
- make_script (to_dir (dir), reqs_[i], i);
+ SCM dir = events_[i]->get_property ("direction");
+ make_script (to_dir (dir), events_[i], i);
}
}
-
void
-Fingering_engraver::make_script (Direction d, Music *r, int i)
+Fingering_engraver::make_script (Direction d, Stream_event *r, int i)
{
Item *fingering = make_item ("Fingering", r->self_scm ());
- Axis a = Y_AXIS;
- Axis other = other_axis (a);
/*
Huh, what's this for? --hwn.
junkme.
- */
+ */
SCM pitch = r->get_property ("pitch");
if (unsmob_pitch (pitch))
fingering->set_property ("pitch", pitch);
/*
We can't fold these definitions into define-grobs since
- fingerings for chords need different settings.
+ fingerings for chords need different settings.
*/
- Side_position_interface::set_axis (fingering, a);
- fingering->add_offset_callback (Self_alignment_interface::aligned_on_self_proc, other);
- fingering->add_offset_callback (Self_alignment_interface::centered_on_parent_proc, other);
+ Side_position_interface::set_axis (fingering, Y_AXIS);
+ Self_alignment_interface::set_align_self (fingering, X_AXIS);
+ Self_alignment_interface::set_center_parent (fingering, X_AXIS);
// Hmm
int priority = 200;
SCM s = fingering->get_property ("script-priority");
if (scm_is_number (s))
priority = scm_to_int (s);
-
+
/* See script-engraver.cc */
priority += i;
- fingering->set_property ("script-priority", scm_int2num (priority));
-
+ fingering->set_property ("script-priority", scm_from_int (priority));
- if (!is_direction (fingering->get_property ("direction")))
+ if (!is_direction (fingering->get_property_data ("direction")))
{
if (d)
- fingering->set_property ("direction", scm_int2num (d));
+ fingering->set_property ("direction", scm_from_int (d));
else
- fingering->set_property ("direction", scm_int2num (RIGHT));
+ fingering->set_property ("direction", scm_from_int (RIGHT));
}
- SCM dig = r->get_property ("digit");
- fingering->set_property ("text", scm_number_to_string (dig, scm_int2num (10)));
-
- fingerings_.push (fingering);
+ fingerings_.push_back (fingering);
}
void
{
if (!fingerings_.size ())
return;
-
- fingerings_.clear ();
-}
-void
-Fingering_engraver::start_translation_timestep ()
-{
- reqs_.clear ();
+ fingerings_.clear ();
+ events_.clear ();
}
Fingering_engraver::Fingering_engraver ()
{
-
}
+ADD_ACKNOWLEDGER (Fingering_engraver, rhythmic_head);
+ADD_ACKNOWLEDGER (Fingering_engraver, stem);
+
ADD_TRANSLATOR (Fingering_engraver,
-/* descr */ "Create fingering-scripts",
-/* creats*/ "Fingering",
-/* accepts */ "fingering-event",
-/* acks */ "rhythmic-head-interface stem-interface",
-/* reads */ "",
-/* write */ "");
+ /* doc */
+ "Create fingering scripts.",
+
+ /* create */
+ "Fingering ",
+
+ /* read */
+ "",
+
+ /* write */
+ ""
+ );