Doc-es: various updates.

[lilypond.git] / lily / stream-event.cc

diff --git a/lily/stream-event.cc b/lily/stream-event.cc
index 489e0e0906a2274999cfbd0a4ccd44383d70bdb3..64c9a979d9950907dde19ffbb0a49978a5a21f12 100644 (file)
--- a/lily/stream-event.cc
+++ b/lily/stream-event.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2005--2011 Erik Sandberg  <mandolaerik@gmail.com>
+  Copyright (C) 2005--2015 Erik Sandberg  <mandolaerik@gmail.com>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -19,10 +19,10 @@
 
 #include "stream-event.hh"
 
-#include "ly-smobs.icc"
 #include "context.hh"
 #include "input.hh"
-#include "input.hh"
+#include "music.hh"
+#include "pitch.hh"
 
 /* TODO: Rename Stream_event -> Event */
 
@@ -31,11 +31,10 @@ Stream_event::Stream_event ()
 {
 }
 
-Stream_event::Stream_event (SCM event_class, SCM mutable_props)
+Stream_event::Stream_event (SCM event_class, SCM immutable_props)
   : Prob (ly_symbol2scm ("Stream_event"),
-          scm_list_1 (scm_cons (ly_symbol2scm ("class"), event_class)))
+          scm_acons (ly_symbol2scm ("class"), event_class, immutable_props))
 {
-  mutable_property_alist_ = mutable_props;
 }
 
 Stream_event::Stream_event (SCM class_name, Input *origin)
@@ -55,31 +54,52 @@ Stream_event::copy_mutable_properties () const
 Input *
 Stream_event::origin () const
 {
-  Input *i = unsmob_input (get_property ("origin"));
+  Input *i = unsmob<Input> (get_property ("origin"));
   return i ? i : &dummy_input_global;
 }
 
 void
 Stream_event::set_spot (Input *i)
 {
-  set_property ("origin", make_input (*i));
+  set_property ("origin", i->smobbed_copy ());
 }
 
 bool
 Stream_event::internal_in_event_class (SCM class_name)
 {
   SCM cl = get_property ("class");
-  cl = scm_call_1 (ly_lily_module_constant ("ly:make-event-class"), cl);
-  return scm_c_memq (class_name, cl) != SCM_BOOL_F;
+  return scm_is_true (scm_c_memq (class_name, cl));
 }
 
 MAKE_SCHEME_CALLBACK (Stream_event, undump, 1);
 MAKE_SCHEME_CALLBACK (Stream_event, dump, 1);
 
+void
+Stream_event::make_transposable ()
+{
+  /* This is in preparation for transposing stuff
+     that may be defined in the immutable part */
+
+  for (SCM s = immutable_property_alist_; scm_is_pair (s); s = scm_cdr (s))
+    {
+      SCM entry = scm_car (s);
+      SCM prop = scm_car (entry);
+      SCM val = scm_cdr (entry);
+
+      if ((unsmob<Pitch> (val)
+           || (scm_is_eq (prop, ly_symbol2scm ("element")) && unsmob<Music> (val))
+           || (scm_is_eq (prop, ly_symbol2scm ("elements")) && scm_is_pair (val))
+           || (scm_is_eq (prop, ly_symbol2scm ("pitch-alist")) && scm_is_pair (val)))
+          && scm_is_false (scm_assq (prop, mutable_property_alist_)))
+        mutable_property_alist_
+          = scm_acons (prop, music_deep_copy (val), mutable_property_alist_);
+    }
+}
+
 SCM
 Stream_event::dump (SCM self)
 {
-  Stream_event *ev = unsmob_stream_event (self);
+  Stream_event *ev = unsmob<Stream_event> (self);
   // Reversed alists look prettier.
   return scm_cons (scm_reverse (ev->immutable_property_alist_),
                    scm_reverse (ev->mutable_property_alist_));
@@ -93,9 +113,3 @@ Stream_event::undump (SCM data)
   obj->mutable_property_alist_ = scm_reverse (scm_cdr (data));
   return obj->unprotect ();
 }
-
-Stream_event *
-unsmob_stream_event (SCM m)
-{
-  return dynamic_cast<Stream_event *> (unsmob_prob (m));
-}