X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fgrob-pq-engraver.cc;h=cd845cdd4a0e0f9351028c77c9ff52cb73f9fd6d;hb=0b544cfb7332615ef809b71b57ab656741311ae1;hp=a8e1081704e13c993a3cd022b2dd8c7fbba046e8;hpb=767e42120b317f7ab2ca3e7a079bc4c2a0f7a776;p=lilypond.git

diff --git a/lily/grob-pq-engraver.cc b/lily/grob-pq-engraver.cc
index a8e1081704..cd845cdd4a 100644
--- a/lily/grob-pq-engraver.cc
+++ b/lily/grob-pq-engraver.cc
@@ -1,9 +1,20 @@
 /*
-  grob-pq-engraver.cc -- implement Grob_pq_engraver
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2001--2014  Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 2001--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 "context.hh"
@@ -15,13 +26,14 @@ struct Grob_pq_entry
 {
   Grob *grob_;
   Moment end_;
-  static int compare (Grob_pq_entry const &a,
-		      Grob_pq_entry const &b)
-  {
-    return Moment::compare (a.end_, b.end_);
-  }
 };
 
+bool
+operator < (Grob_pq_entry const &a, Grob_pq_entry const &b)
+{
+  return a.end_ < b.end_;
+}
+
 class Grob_pq_engraver : public Engraver
 {
 public:
@@ -31,8 +43,9 @@ protected:
   DECLARE_ACKNOWLEDGER (grob);
   void start_translation_timestep ();
   void stop_translation_timestep ();
+  void process_acknowledged ();
 
-  std::vector<Grob_pq_entry> started_now_;
+  vector<Grob_pq_entry> started_now_;
 };
 
 Grob_pq_engraver::Grob_pq_engraver ()
@@ -45,12 +58,13 @@ Grob_pq_engraver::initialize ()
   context ()->set_property ("busyGrobs", SCM_EOL);
 }
 
-LY_DEFINE (ly_grob_pq_less_p, "ly:grob-pq-less?",
-	   2, 0, 0, (SCM a, SCM b),
-	   "Compare 2 grob priority queue entries. Internal")
+LY_DEFINE (ly_grob_pq_less_p, "ly:grob-pq<?",
+           2, 0, 0, (SCM a, SCM b),
+           "Compare two grob priority queue entries."
+           "  This is an internal function.")
 {
   if (Moment::compare (*unsmob_moment (scm_car (a)),
-		       *unsmob_moment (scm_car (b))) < 0)
+                       *unsmob_moment (scm_car (b))) < 0)
     return SCM_BOOL_T;
   else
     return SCM_BOOL_F;
@@ -59,22 +73,16 @@ LY_DEFINE (ly_grob_pq_less_p, "ly:grob-pq-less?",
 void
 Grob_pq_engraver::acknowledge_grob (Grob_info gi)
 {
-  Music *m = gi.music_cause ();
+  Stream_event *ev = gi.event_cause ();
 
-  if (m
+  if (ev
       && !gi.grob ()->internal_has_interface (ly_symbol2scm ("multi-measure-interface")))
     {
       Moment n = now_mom ();
-      Moment l = m->get_length ();
+      Moment l = get_event_length (ev, n);
 
       if (!l.to_bool ())
-	return;
-
-      if (n.grace_part_)
-	{
-	  l.grace_part_ = l.main_part_;
-	  l.main_part_ = 0;
-	}
+        return;
 
       Moment end = n + l;
 
@@ -87,31 +95,37 @@ Grob_pq_engraver::acknowledge_grob (Grob_info gi)
 }
 
 void
-Grob_pq_engraver::stop_translation_timestep ()
+Grob_pq_engraver::process_acknowledged ()
 {
-  Moment now = now_mom ();
-  SCM start_busy = get_property ("busyGrobs");
-  SCM busy = start_busy;
-  while (scm_is_pair (busy) && *unsmob_moment (scm_caar (busy)) == now)
-    busy = scm_cdr (busy);
-
-  vector_sort (started_now_, Grob_pq_entry::compare);
+  vector_sort (started_now_, less<Grob_pq_entry> ());
   SCM lst = SCM_EOL;
   SCM *tail = &lst;
   for (vsize i = 0; i < started_now_.size (); i++)
     {
       *tail = scm_acons (started_now_[i].end_.smobbed_copy (),
-			 started_now_[i].grob_->self_scm (),
-			 SCM_EOL);
+                         started_now_[i].grob_->self_scm (),
+                         SCM_EOL);
       tail = SCM_CDRLOC (*tail);
     }
 
+  SCM busy = get_property ("busyGrobs");
   busy = scm_merge_x (lst, busy, ly_grob_pq_less_p_proc);
   context ()->set_property ("busyGrobs", busy);
 
   started_now_.clear ();
 }
 
+void
+Grob_pq_engraver::stop_translation_timestep ()
+{
+  Moment now = now_mom ();
+  SCM start_busy = get_property ("busyGrobs");
+  SCM busy = start_busy;
+  while (scm_is_pair (busy) && *unsmob_moment (scm_caar (busy)) == now)
+    busy = scm_cdr (busy);
+
+}
+
 void
 Grob_pq_engraver::start_translation_timestep ()
 {
@@ -122,8 +136,8 @@ Grob_pq_engraver::start_translation_timestep ()
   while (scm_is_pair (busy) && *unsmob_moment (scm_caar (busy)) < now)
     {
       /*
-	The grob-pq-engraver is not water tight, and stuff like
-	tupletSpannerDuration confuses it.
+        The grob-pq-engraver is not water tight, and stuff like
+        tupletSpannerDuration confuses it.
       */
       busy = scm_cdr (busy);
     }
@@ -135,9 +149,16 @@ Grob_pq_engraver::start_translation_timestep ()
 #include "translator.icc"
 ADD_ACKNOWLEDGER (Grob_pq_engraver, grob);
 ADD_TRANSLATOR (Grob_pq_engraver,
+                /* doc */
+                "Administrate when certain grobs (e.g., note heads) stop"
+                " playing.",
+
+                /* create */
+                "",
+
+                /* read */
+                "busyGrobs ",
 
-		/* doc */ "Administrate when certain grobs (eg. note heads) stop playing",
-		/* create */ "",
-		/* accept */ "",
-		/* read */ "busyGrobs",
-		/* write */ "busyGrobs");
+                /* write */
+                "busyGrobs "
+               );