X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fmusic.hh;h=8cb69d0700b724e91f7b62f51d12074f86ec7caa;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=78d1be7bde982e4274190a3a77fc440e8397c372;hpb=f12ef1c68506b5d8a9ae4d8b5d894109ce8fe17a;p=lilypond.git

diff --git a/lily/include/music.hh b/lily/include/music.hh
index 78d1be7bde..8cb69d0700 100644
--- a/lily/include/music.hh
+++ b/lily/include/music.hh
@@ -1,77 +1,87 @@
 /*
-  music.hh -- declare Music
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.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/>.
+*/
 
 #ifndef MUSIC_HH
 #define MUSIC_HH
 
-#include "virtual-methods.hh"
-#include "minterval.hh"
-#include "lily-proto.hh"
-#include "string.hh"
 #include "smobs.hh"
-#include "music-constructor.hh"
-
-
-#define is_mus_type(x) internal_is_music_type(ly_symbol2scm (x))
-
-/** Music is anything that has duration and supports both time compression and
-  transposition.
-  
-  In Lily, everything that can be thought to have a length and a pitch
- (which has a duration which can be transposed) is considered "music",
-
-  Music is hierarchical: 
-
-  @see Music_sequence
+#include "moment.hh"
+#include "pitch.hh"
+#include "prob.hh"
 
+#define is_mus_type(x) internal_is_music_type (ly_symbol2scm (x))
 
-  TODO: make a equalp function for general music. 
-  */
-class Music
+class Music : public Prob
 {
 public:
-  Music ();
+  Music (SCM init);
   Music (Music const &m);
   VIRTUAL_COPY_CONSTRUCTOR (Music, Music);
 
-  Input *origin () const; 
-  void set_spot (Input);  
+  Input *origin () const;
+  void set_spot (Input);
 
-  SCM internal_get_property (SCM) const;
-  void internal_set_property (SCM , SCM val);
-  SCM get_property_alist (bool mut) const;
   bool internal_is_music_type (SCM) const;
-  
-  virtual Pitch to_relative_octave (Pitch);
-  String name () const;
-  /// The duration of this piece of music
-  virtual Moment get_length () const;
-  virtual Moment start_mom () const;
+
+  Stream_event *to_event () const;
+
+  DECLARE_SCHEME_CALLBACK (relative_callback, (SCM, SCM));
+  Pitch to_relative_octave (Pitch);
+  Pitch generic_to_relative_octave (Pitch);
+  Moment get_length () const;
+  Moment start_mom () const;
   void print () const;
+  static Music *unsmob (SCM m) {
+    return dynamic_cast <Music *> (Prob::unsmob (m));
+  }
+  static bool is_smob (SCM m) {
+    return Prob::is_smob (m) && unsmob (m);
+  }
+
   /// Transpose, with the interval central C to #p#
-  virtual void transpose (Pitch p);
+  void transpose (Pitch p);
 
   /// Scale the music in time by #factor#.
-  virtual void compress (Moment factor);
-  
+  void compress (Moment factor);
+
+  // Broadcast the event in a context's event-source.
+  void send_to_context (Context *c);
+
+  DECLARE_SCHEME_CALLBACK (duration_length_callback, (SCM));
+
+protected:
+  virtual SCM copy_mutable_properties () const;
+  virtual void type_check_assignment (SCM, SCM) const;
+  virtual void derived_mark () const;
 protected:
-  DECLARE_SMOBS (Music,);
-  SCM immutable_property_alist_;
-  SCM mutable_property_alist_;
-  friend SCM ly_extended_make_music(SCM,SCM);
+  SCM length_callback_;
+  SCM start_callback_;
+  friend SCM ly_extended_make_music (SCM, SCM);
 };
 
+Music *make_music_by_name (SCM sym);
+SCM ly_music_deep_copy (SCM);
+SCM ly_camel_case_2_lisp_identifier (SCM name_sym);
 
-DECLARE_UNSMOB(Music,music);
+extern SCM ly_music_p_proc;
 
-Music* make_music_by_name (SCM sym);
-SCM ly_deep_mus_copy (SCM);
+/* common transposition function for music and event */
+void transpose_mutable (SCM alist, Pitch delta);
 
-#endif // MUSIC_HH
+#endif /* MUSIC_HH */