/*
- phrasing-slur-engraver.cc -- implement Phrasing_slur_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-*/
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
-#include "context.hh"
-#include "directional-element-interface.hh"
-#include "engraver.hh"
-#include "slur.hh"
-#include "note-column.hh"
-#include "spanner.hh"
-#include "tie.hh"
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
-/*
- 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.
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
-class Phrasing_slur_engraver : public Engraver
+#include "slur-engraver.hh"
+
+#include "translator.icc"
+
+class Phrasing_slur_engraver : public Slur_engraver
{
- Drul_array<Music *> events_;
- Music * running_slur_start_;
- Link_array<Grob> slurs_;
- Link_array<Grob> end_slurs_;
-
-protected:
- virtual bool try_music (Music*);
- virtual void acknowledge_grob (Grob_info);
- virtual void stop_translation_timestep ();
- virtual void finalize ();
- virtual 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");
}
bool
-Phrasing_slur_engraver::try_music (Music *m)
+Phrasing_slur_engraver::double_property () const
{
- if (m->is_mus_type ("phrasing-slur-event"))
- {
- /*
- Let's not start more than one slur per moment.
- */
- Direction d = to_dir (m->get_property ("span-direction"));
- if (d == START)
- {
- events_[START] = m;
- return true;
- }
- else if (d == STOP)
- {
- if (slurs_.is_empty ())
- return false;
-
- events_[STOP] = m;
- return true;
- }
- }
return false;
}
+SCM
+Phrasing_slur_engraver::grob_symbol () const
+{
+ return ly_symbol2scm ("PhrasingSlur");
+}
-void
-Phrasing_slur_engraver::acknowledge_grob (Grob_info info)
+const char *
+Phrasing_slur_engraver::object_name () const
{
- Grob *e = info.grob_;
- if (Note_column::has_interface (info.grob_))
- {
- for (int i = slurs_.size (); i--; )
- Slur::add_column (slurs_[i], e);
- for (int i = end_slurs_.size (); i-- ; )
- Slur::add_column (end_slurs_[i], e);
- }
- else
- {
- /*
- ugh. cut & paste from slur-engraver.cc
- */
- SCM inside = e->get_property ("inside-slur");
- if (Tie::has_interface (e)
- || Slur::has_interface (e)
- || to_boolean (inside))
- {
- for (int i = slurs_.size (); i--; )
- Slur::add_extra_encompass (slurs_[i], e);
- for (int i = end_slurs_.size (); i--; )
- Slur::add_extra_encompass (end_slurs_[i], e);
- }
- else if (inside == SCM_BOOL_F)
- {
- Grob *slur = slurs_.size()?slurs_[0] : 0;
- slur = (end_slurs_.size () && !slur)
- ? end_slurs_[0] : slur;
-
- if (slur)
- {
- e->add_offset_callback (Slur::outside_slur_callback_proc, Y_AXIS);
- e->set_property ("slur", slur->self_scm());
- }
- }
- }
+ return "phrasing slur";
}
-void
-Phrasing_slur_engraver::finalize ()
+Phrasing_slur_engraver::Phrasing_slur_engraver (Context *c)
+ : Slur_engraver (c)
{
- if (slurs_.size ())
- slurs_[0]->warning (_ ("unterminated phrasing slur"));
}
void
-Phrasing_slur_engraver::process_music ()
+Phrasing_slur_engraver::set_melisma (bool)
{
- if (events_[STOP])
- {
- end_slurs_ = slurs_;
- slurs_.clear ();
- }
-
- if (events_[START] && slurs_.is_empty ())
- {
- Music *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 (slur);
- }
}
void
-Phrasing_slur_engraver::stop_translation_timestep ()
+Phrasing_slur_engraver::boot ()
{
- end_slurs_.clear ();
- events_[START] = events_[STOP] = 0;
+ 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);
}
-
ADD_TRANSLATOR (Phrasing_slur_engraver,
-/* descr */ "Print phrasing slurs. Similar to @ref{Slur_engraver}",
-/* creats*/ "PhrasingSlur",
-/* accepts */ "phrasing-slur-event",
-/* acks */ "note-column-interface tie-interface fingering-interface script-interface slur-interface",
-/* reads */ "",
-/* write */ "");
+ /* doc */
+ "Print phrasing slurs. Similar to @ref{Slur_engraver}.",
+
+ /* create */
+ "PhrasingSlur ",
+
+ /* read */
+ "",
+
+ /* write */
+ ""
+ );
projects / lilypond.git / blobdiff