/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1997--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "engraver.hh"
-
-#include "context.hh"
-#include "directional-element-interface.hh"
-#include "international.hh"
-#include "note-column.hh"
-#include "slur.hh"
-#include "spanner.hh"
-#include "stream-event.hh"
-#include "warn.hh"
+#include "slur-engraver.hh"
#include "translator.icc"
-/*
- It is possible that a slur starts and ends on the same note. At
- least, it is for phrasing slurs: a note can be both beginning and
- ending of a phrase.
-
-*/
-
-/*
- NOTE NOTE NOTE
-
- This is largely similar to Slur_engraver. Check if fixes apply there too.
-
- (on principle, engravers don't use inheritance for code sharing)
-
- */
-class Phrasing_slur_engraver : public Engraver
+class Phrasing_slur_engraver : public Slur_engraver
{
- Drul_array<Stream_event *> events_;
- Stream_event *running_slur_start_;
- vector<Grob*> slurs_;
- vector<Grob*> end_slurs_;
-
-protected:
- void acknowledge_extra_object (Grob_info);
- DECLARE_ACKNOWLEDGER (accidental);
- DECLARE_ACKNOWLEDGER (fingering);
- DECLARE_ACKNOWLEDGER (note_column);
- DECLARE_ACKNOWLEDGER (slur);
- DECLARE_ACKNOWLEDGER (script);
- DECLARE_ACKNOWLEDGER (text_script);
- DECLARE_ACKNOWLEDGER (tie);
- DECLARE_ACKNOWLEDGER (tuplet_number);
- DECLARE_TRANSLATOR_LISTENER (phrasing_slur);
-
- void stop_translation_timestep ();
- virtual void finalize ();
- void process_music ();
+ virtual SCM event_symbol () const;
+ virtual bool double_property () const;
+ virtual SCM grob_symbol () const;
+ virtual const char* object_name () const;
+ virtual void set_melisma (bool);
public:
TRANSLATOR_DECLARATIONS (Phrasing_slur_engraver);
+ TRANSLATOR_INHERIT (Slur_engraver);
};
-Phrasing_slur_engraver::Phrasing_slur_engraver ()
+SCM
+Phrasing_slur_engraver::event_symbol () const
{
- events_[START] = events_[STOP] = 0;
+ return ly_symbol2scm ("phrasing-slur-event");
}
-IMPLEMENT_TRANSLATOR_LISTENER (Phrasing_slur_engraver, phrasing_slur);
-void
-Phrasing_slur_engraver::listen_phrasing_slur (Stream_event *ev)
+bool
+Phrasing_slur_engraver::double_property () const
{
- /*
- Let's not start more than one slur per moment.
- */
- Direction d = to_dir (ev->get_property ("span-direction"));
- if (d == START)
- ASSIGN_EVENT_ONCE (events_[START], ev);
- else if (d == STOP && !slurs_.empty ())
- ASSIGN_EVENT_ONCE (events_[STOP], ev);
+ return false;
}
-void
-Phrasing_slur_engraver::acknowledge_note_column (Grob_info info)
+SCM
+Phrasing_slur_engraver::grob_symbol () const
{
- Grob *e = info.grob ();
- for (vsize i = slurs_.size (); i--;)
- Slur::add_column (slurs_[i], e);
- for (vsize i = end_slurs_.size (); i--;)
- Slur::add_column (end_slurs_[i], e);
+ return ly_symbol2scm ("PhrasingSlur");
}
-void
-Phrasing_slur_engraver::acknowledge_extra_object (Grob_info info)
+const char *
+Phrasing_slur_engraver::object_name () const
{
- Slur::auxiliary_acknowledge_extra_object (info, slurs_, end_slurs_);
+ return "phrasing slur";
}
-void
-Phrasing_slur_engraver::acknowledge_accidental (Grob_info info)
-{
- acknowledge_extra_object (info);
-}
-
-void
-Phrasing_slur_engraver::acknowledge_fingering (Grob_info info)
+Phrasing_slur_engraver::Phrasing_slur_engraver (Context *c)
+ : Slur_engraver (c)
{
- acknowledge_extra_object (info);
}
void
-Phrasing_slur_engraver::acknowledge_text_script (Grob_info info)
+Phrasing_slur_engraver::set_melisma (bool)
{
- acknowledge_extra_object (info);
}
void
-Phrasing_slur_engraver::acknowledge_script (Grob_info info)
+Phrasing_slur_engraver::boot ()
{
- if (!info.grob ()->internal_has_interface (ly_symbol2scm ("dynamic-interface")))
- acknowledge_extra_object (info);
+ ADD_LISTENER_FOR (Phrasing_slur_engraver, slur, phrasing_slur);
+ ADD_LISTENER (Phrasing_slur_engraver, note);
+ ADD_ACKNOWLEDGER_FOR (Phrasing_slur_engraver, extra_object, inline_accidental);
+ ADD_ACKNOWLEDGER_FOR (Phrasing_slur_engraver, extra_object, fingering);
+ ADD_ACKNOWLEDGER (Phrasing_slur_engraver, note_column);
+ ADD_ACKNOWLEDGER_FOR (Phrasing_slur_engraver, extra_object, slur);
+ ADD_ACKNOWLEDGER (Phrasing_slur_engraver, script);
+ ADD_ACKNOWLEDGER_FOR (Phrasing_slur_engraver, extra_object, dots);
+ ADD_ACKNOWLEDGER_FOR (Phrasing_slur_engraver, extra_object, text_script);
+ ADD_END_ACKNOWLEDGER_FOR (Phrasing_slur_engraver, extra_object, tie);
+ ADD_ACKNOWLEDGER_FOR (Phrasing_slur_engraver, extra_object, tuplet_number);
}
-void
-Phrasing_slur_engraver::acknowledge_tie (Grob_info info)
-{
- acknowledge_extra_object (info);
-}
-
-void
-Phrasing_slur_engraver::acknowledge_tuplet_number (Grob_info info)
-{
- acknowledge_extra_object (info);
-}
-
-void
-Phrasing_slur_engraver::acknowledge_slur (Grob_info info)
-{
- acknowledge_extra_object (info);
-}
-
-void
-Phrasing_slur_engraver::finalize ()
-{
- if (slurs_.size ())
- slurs_[0]->warning (_ ("unterminated phrasing slur"));
-}
-
-void
-Phrasing_slur_engraver::process_music ()
-{
- if (events_[STOP])
- {
- end_slurs_ = slurs_;
- slurs_.clear ();
- }
-
- if (events_[START] && slurs_.empty ())
- {
- Stream_event *ev = events_[START];
-
- Grob *slur = make_spanner ("PhrasingSlur", events_[START]->self_scm ());
- Direction updown = to_dir (ev->get_property ("direction"));
- if (updown)
- set_grob_direction (slur, updown);
-
- slurs_.push_back (slur);
- }
-}
-
-void
-Phrasing_slur_engraver::stop_translation_timestep ()
-{
- end_slurs_.clear ();
- events_[START] = events_[STOP] = 0;
-}
-
-ADD_ACKNOWLEDGER (Phrasing_slur_engraver, accidental);
-ADD_ACKNOWLEDGER (Phrasing_slur_engraver, fingering)
-ADD_ACKNOWLEDGER (Phrasing_slur_engraver, note_column);
-ADD_ACKNOWLEDGER (Phrasing_slur_engraver, slur);
-ADD_ACKNOWLEDGER (Phrasing_slur_engraver, script);
-ADD_ACKNOWLEDGER (Phrasing_slur_engraver, text_script);
-ADD_ACKNOWLEDGER (Phrasing_slur_engraver, tie);
-ADD_ACKNOWLEDGER (Phrasing_slur_engraver, tuplet_number);
-
ADD_TRANSLATOR (Phrasing_slur_engraver,
- /* doc */
- "Print phrasing slurs. Similar to @ref{Slur_engraver}.",
+ /* doc */
+ "Print phrasing slurs. Similar to @ref{Slur_engraver}.",
- /* create */
- "PhrasingSlur ",
+ /* create */
+ "PhrasingSlur ",
- /* read */
- "",
+ /* read */
+ "",
- /* write */
- ""
- );
+ /* write */
+ ""
+ );