-/*
- fingering-engraver.cc -- implement Fingering_engraver
-
+/*
+ fingering-engraver.cc -- implement Fingering_engraver
+
source file of the GNU LilyPond music typesetter
-
- (c) 1998--2002 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 "item.hh"
-#include "event.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);
+ 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 make_script (Direction, Music*,Axis, int);
+ 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, 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_mus_property ("direction");
- make_script (to_dir (dir), reqs_[i], Y_AXIS, 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,Axis a, int i)
+Fingering_engraver::make_script (Direction d, Stream_event *r, int i)
{
- Item *fingering = new Item (get_property ("Fingering"));
+ Item *fingering = make_item ("Fingering", r->self_scm ());
- Axis other = other_axis (a);
+ /*
+ Huh, what's this for? --hwn.
- SCM pitch = r->get_mus_property ("pitch");
+ junkme.
+ */
+ SCM pitch = r->get_property ("pitch");
if (unsmob_pitch (pitch))
- fingering->set_grob_property ("pitch", pitch);
-
- 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);
+ fingering->set_property ("pitch", pitch);
+
+ /*
+ We can't fold these definitions into define-grobs since
+ fingerings for chords need different settings.
+ */
+ 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_grob_property ("script-priority");
- if (gh_number_p (s))
- priority = gh_scm2int (s);
-
+ 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_grob_property ("script-priority", gh_int2scm (priority));
+ fingering->set_property ("script-priority", scm_from_int (priority));
-
- if (!ly_dir_p (fingering->get_grob_property ("direction")))
+ if (!is_direction (fingering->get_property_data ("direction")))
{
if (d)
- fingering->set_grob_property ("direction", gh_int2scm (d));
+ fingering->set_property ("direction", scm_from_int (d));
else
- fingering->set_grob_property ("direction", gh_int2scm (RIGHT));
+ fingering->set_property ("direction", scm_from_int (RIGHT));
}
- SCM dig = r->get_mus_property ("digit");
- fingering->set_grob_property ("text", scm_number_to_string (dig, gh_int2scm (10)));
-
- announce_grob (fingering, r->self_scm());
- fingerings_.push (fingering);
+ fingerings_.push_back (fingering);
}
void
{
if (!fingerings_.size ())
return;
-
- for (int i=0; i < fingerings_.size (); i++)
- {
- Item *ti = fingerings_[i];
- Side_position_interface::add_staff_support (ti);
- typeset_grob (ti);
- }
+
fingerings_.clear ();
+ events_.clear ();
}
-void
-Fingering_engraver::start_translation_timestep ()
+Fingering_engraver::Fingering_engraver ()
{
- reqs_.clear ();
}
-Fingering_engraver::Fingering_engraver()
-{
+ADD_ACKNOWLEDGER (Fingering_engraver, rhythmic_head);
+ADD_ACKNOWLEDGER (Fingering_engraver, stem);
-}
+ADD_TRANSLATOR (Fingering_engraver,
+ /* doc */
+ "Create fingering scripts.",
+
+ /* create */
+ "Fingering ",
+
+ /* read */
+ "",
-ENTER_DESCRIPTION(Fingering_engraver,
-/* descr */ "Create fingering-scripts",
-/* creats*/ "Fingering",
-/* accepts */ "fingering-event",
-/* acks */ "rhythmic-head-interface stem-interface",
-/* reads */ "",
-/* write */ "");
+ /* write */
+ ""
+ );