unsmob_pitch -> Pitch::unsmob and related

[lilypond.git] / lily / pitched-trill-engraver.cc

diff --git a/lily/pitched-trill-engraver.cc b/lily/pitched-trill-engraver.cc
index d29f6f42caf33ba91dc14b48a86ef3739ed29813..40f1fc9bd23bb575b4e3fb7ccc560cf096f08e9b 100644 (file)
--- a/lily/pitched-trill-engraver.cc
+++ b/lily/pitched-trill-engraver.cc
@@ -1,9 +1,20 @@
 /*
-  pitched-trill-engraver.cc -- implement Pitched_trill_engraver
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2005--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 2005--2006 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
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  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/>.
 */
 
 #include "engraver.hh"
@@ -27,8 +38,9 @@ public:
 protected:
   DECLARE_ACKNOWLEDGER (note_head);
   DECLARE_ACKNOWLEDGER (dots);
-  DECLARE_ACKNOWLEDGER (text_spanner);
-  void process_music ();
+  DECLARE_ACKNOWLEDGER (stem);
+  DECLARE_ACKNOWLEDGER (flag);
+  DECLARE_ACKNOWLEDGER (trill_spanner);
   void stop_translation_timestep ();
 
 private:
@@ -36,7 +48,7 @@ private:
   Item *trill_group_;
   Item *trill_accidental_;
 
-  vector<Grob*> heads_;
+  vector<Grob *> heads_;
 
   void make_trill (Stream_event *);
 };
@@ -54,19 +66,29 @@ Pitched_trill_engraver::acknowledge_dots (Grob_info info)
   heads_.push_back (info.grob ());
 }
 void
+Pitched_trill_engraver::acknowledge_stem (Grob_info info)
+{
+  heads_.push_back (info.grob ());
+}
+void
+Pitched_trill_engraver::acknowledge_flag (Grob_info info)
+{
+  heads_.push_back (info.grob ());
+}
+void
 Pitched_trill_engraver::acknowledge_note_head (Grob_info info)
 {
   heads_.push_back (info.grob ());
 }
 
 void
-Pitched_trill_engraver::acknowledge_text_spanner (Grob_info info)
+Pitched_trill_engraver::acknowledge_trill_spanner (Grob_info info)
 {
   Stream_event *ev = info.event_cause ();
   if (ev
       && ev->in_event_class ("trill-span-event")
       && to_dir (ev->get_property ("span-direction")) == START
-      && unsmob_pitch (ev->get_property ("pitch")))
+      && Pitch::unsmob (ev->get_property ("pitch")))
     make_trill (ev);
 }
 
@@ -74,16 +96,29 @@ void
 Pitched_trill_engraver::make_trill (Stream_event *ev)
 {
   SCM scm_pitch = ev->get_property ("pitch");
-  Pitch *p = unsmob_pitch (scm_pitch);
+  Pitch *p = Pitch::unsmob (scm_pitch);
 
-  SCM keysig = get_property ("localKeySignature");
+  SCM keysig = get_property ("localAlterations");
 
   SCM key = scm_cons (scm_from_int (p->get_octave ()),
-                     scm_from_int (p->get_notename ()));
+                      scm_from_int (p->get_notename ()));
+
+  int bn = measure_number (context ());
 
   SCM handle = scm_assoc (key, keysig);
+  if (handle != SCM_BOOL_F)
+    {
+      bool same_bar = (bn == robust_scm2int (scm_caddr (handle), 0));
+      bool same_alt
+        = (p->get_alteration () == robust_scm2rational (scm_cadr (handle), 0));
+
+      if (!same_bar || (same_bar && !same_alt))
+        handle = SCM_BOOL_F;
+    }
+
   bool print_acc
-    = (handle == SCM_BOOL_F) || p->get_alteration () == Rational (0);
+    = (handle == SCM_BOOL_F) || p->get_alteration () == Rational (0)
+      || (ev->get_property ("force-accidental") == SCM_BOOL_T);
 
   if (trill_head_)
     {
@@ -97,8 +132,8 @@ Pitched_trill_engraver::make_trill (Stream_event *ev)
   int c0 = scm_is_number (c0scm) ? scm_to_int (c0scm) : 0;
 
   trill_head_->set_property ("staff-position",
-                            scm_from_int (unsmob_pitch (scm_pitch)->steps ()
-                                          + c0));
+                             scm_from_int (Pitch::unsmob (scm_pitch)->steps ()
+                                           + c0));
 
   trill_group_ = make_item ("TrillPitchGroup", ev->self_scm ());
   trill_group_->set_parent (trill_head_, Y_AXIS);
@@ -110,10 +145,9 @@ Pitched_trill_engraver::make_trill (Stream_event *ev)
       trill_accidental_ = make_item ("TrillPitchAccidental", ev->self_scm ());
 
       // fixme: naming -> alterations
-      trill_accidental_->set_property ("accidentals", scm_list_1 (scm_from_int (Rational (4) 
-                                                                               * p->get_alteration ())));
+      trill_accidental_->set_property ("alteration", ly_rational2scm (p->get_alteration ()));
       Side_position_interface::add_support (trill_accidental_, trill_head_);
-      
+
       trill_head_->set_object ("accidental-grob", trill_accidental_->self_scm ());
       trill_accidental_->set_parent (trill_head_, Y_AXIS);
       Axis_group_interface::add_element (trill_group_, trill_accidental_);
@@ -133,27 +167,26 @@ Pitched_trill_engraver::stop_translation_timestep ()
   trill_accidental_ = 0;
 }
 
-void
-Pitched_trill_engraver::process_music ()
-{
-}
-
-
 #include "translator.icc"
 
 ADD_ACKNOWLEDGER (Pitched_trill_engraver, note_head);
 ADD_ACKNOWLEDGER (Pitched_trill_engraver, dots);
-ADD_ACKNOWLEDGER (Pitched_trill_engraver, text_spanner);
+ADD_ACKNOWLEDGER (Pitched_trill_engraver, stem);
+ADD_ACKNOWLEDGER (Pitched_trill_engraver, flag);
+ADD_ACKNOWLEDGER (Pitched_trill_engraver, trill_spanner);
 
 ADD_TRANSLATOR (Pitched_trill_engraver,
-               /* doc */
-               "Print the bracketed notehead after a notehead with trill.",
+                /* doc */
+                "Print the bracketed note head after a note head with trill.",
 
-               /* create */
-               "TrillPitchHead "
-               "TrillPitchAccidental "
-               "TrillPitchGroup ",
+                /* create */
+                "TrillPitchHead "
+                "TrillPitchAccidental "
+                "TrillPitchGroup ",
 
-               /* read */ "",
+                /* read */
+                "",
 
-               /* write */ "");
+                /* write */
+                ""
+               );