]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/multi-measure-rest-engraver.cc
Run grand-replace (issue 3765)
[lilypond.git] / lily / multi-measure-rest-engraver.cc
index 627824c6f95626c095deb460d2b8cf53750cb210..9f460dd981871ea7ab640838d49b5dc71aaf1dd1 100644 (file)
@@ -1,8 +1,21 @@
 /*
-  multi_measure_rest-engraver.cc -- implement Multi_measure_rest_engraver
+  This file is part of LilyPond, the GNU music typesetter.
 
-  (c) 1998--2005 Jan Nieuwenhuizen <janneke@gnu.org>
+  Copyright (C) 1998--2014 Jan Nieuwenhuizen <janneke@gnu.org>
   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 "multi-measure-rest.hh"
 #include "engraver-group.hh"
 #include "side-position-interface.hh"
 #include "staff-symbol-referencer.hh"
+#include "stream-event.hh"
 #include "moment.hh"
+#include "spanner.hh"
+
+#include "translator.icc"
 
 /**
    The name says it all: make multi measure rests
@@ -21,15 +38,16 @@ public:
   TRANSLATOR_DECLARATIONS (Multi_measure_rest_engraver);
 
 protected:
-  virtual bool try_music (Music *);
   void process_music ();
   void stop_translation_timestep ();
   void start_translation_timestep ();
   virtual void finalize ();
+  DECLARE_TRANSLATOR_LISTENER (multi_measure_rest);
+  DECLARE_TRANSLATOR_LISTENER (multi_measure_text);
 
 private:
-  Music *rest_ev_;
-  Link_array<Music> text_events_;
+  Stream_event *rest_ev_;
+  vector<Stream_event *> text_events_;
   int start_measure_;
   Rational last_main_moment_;
   Moment stop_moment_;
@@ -39,8 +57,8 @@ private:
   Spanner *last_rest_;
   Spanner *mmrest_;
 
-  Link_array<Spanner> numbers_;
-  Link_array<Spanner> last_numbers_;
+  vector<Spanner *> numbers_;
+  vector<Spanner *> last_numbers_;
 };
 
 Multi_measure_rest_engraver::Multi_measure_rest_engraver ()
@@ -57,22 +75,25 @@ Multi_measure_rest_engraver::Multi_measure_rest_engraver ()
   rest_ev_ = 0;
 }
 
-bool
-Multi_measure_rest_engraver::try_music (Music *event)
+IMPLEMENT_TRANSLATOR_LISTENER (Multi_measure_rest_engraver, multi_measure_rest);
+void
+Multi_measure_rest_engraver::listen_multi_measure_rest (Stream_event *ev)
 {
-  if (event->is_mus_type ("multi-measure-rest-event"))
-    {
-      rest_ev_ = event;
-      stop_moment_ = now_mom () + rest_ev_->get_length ();
+  /* FIXME: Should use ASSIGN_EVENT_ONCE. Can't do that yet because of
+     the kill-mm-rests hack in part-combine-iterator. */
+  rest_ev_ = ev;
+  stop_moment_ = now_mom () + get_event_length (rest_ev_, now_mom ());
+  /*
+  if (ASSIGN_EVENT_ONCE (rest_ev_, ev))
+    stop_moment_ = now_mom () + get_event_length (rest_ev_);
+  */
+}
 
-      return true;
-    }
-  else if (event->is_mus_type ("multi-measure-text-event"))
-    {
-      text_events_.push (event);
-      return true;
-    }
-  return false;
+IMPLEMENT_TRANSLATOR_LISTENER (Multi_measure_rest_engraver, multi_measure_text);
+void
+Multi_measure_rest_engraver::listen_multi_measure_text (Stream_event *ev)
+{
+  text_events_.push_back (ev);
 }
 
 void
@@ -84,54 +105,51 @@ Multi_measure_rest_engraver::process_music ()
       mmrest_ = make_spanner ("MultiMeasureRest", rest_ev_->self_scm ());
 
       Spanner *sp
-       = make_spanner ("MultiMeasureRestNumber", rest_ev_->self_scm ());
-      numbers_.push (sp);
+        = make_spanner ("MultiMeasureRestNumber", rest_ev_->self_scm ());
+      numbers_.push_back (sp);
 
       if (text_events_.size ())
-       {
-         for (int i = 0; i < text_events_.size (); i++)
-           {
-
-             Music *e = text_events_[i];
-             Spanner *sp
-               = make_spanner ("MultiMeasureRestText", e->self_scm ());
-             SCM t = e->get_property ("text");
-             SCM dir = e->get_property ("direction");
-             sp->set_property ("text", t);
-             if (is_direction (dir))
-               sp->set_property ("direction", dir);
-
-             numbers_.push (sp);
-           }
-
-         /*
-           Stack different scripts.
-         */
-         Direction d = DOWN;
-         do
-           {
-             Grob *last = 0;
-             for (int i = 0; i < numbers_.size (); i++)
-               {
-                 if (scm_from_int (d) == numbers_[i]->get_property ("direction"))
-                   {
-                     if (last)
-                       Side_position_interface::add_support (numbers_[i], last);
-                     last = numbers_[i];
-                   }
-               }
-           }
-         while (flip (&d) != DOWN);
-       }
-
-      for (int i = 0; i < numbers_.size (); i++)
-       {
-         Side_position_interface::add_support (numbers_[i], mmrest_);
-         numbers_[i]->set_parent (mmrest_, Y_AXIS);
-       }
+        {
+          for (vsize i = 0; i < text_events_.size (); i++)
+            {
+              Stream_event *e = text_events_[i];
+              Spanner *sp
+                = make_spanner ("MultiMeasureRestText", e->self_scm ());
+              SCM t = e->get_property ("text");
+              SCM dir = e->get_property ("direction");
+              sp->set_property ("text", t);
+              if (is_direction (dir))
+                sp->set_property ("direction", dir);
+
+              numbers_.push_back (sp);
+            }
+
+          /*
+            Stack different scripts.
+          */
+          for (DOWN_and_UP (d))
+            {
+              Grob *last = 0;
+              for (vsize i = 0; i < numbers_.size (); i++)
+                {
+                  if (scm_from_int (d) == numbers_[i]->get_property ("direction"))
+                    {
+                      if (last)
+                        Side_position_interface::add_support (numbers_[i], last);
+                      last = numbers_[i];
+                    }
+                }
+            }
+        }
+
+      for (vsize i = 0; i < numbers_.size (); i++)
+        {
+          Side_position_interface::add_support (numbers_[i], mmrest_);
+          numbers_[i]->set_parent (mmrest_, Y_AXIS);
+        }
 
       start_measure_
-       = scm_to_int (get_property ("currentBarNumber"));
+        = scm_to_int (get_property ("internalBarNumber"));
     }
 
   bar_seen_ = bar_seen_ || scm_is_string (get_property ("whichBar"));
@@ -141,12 +159,13 @@ void
 Multi_measure_rest_engraver::stop_translation_timestep ()
 {
   /* We cannot do this earlier, as breakableSeparationItem is not yet
-     there.  */
+     there.
+
+     Actually, we no longer use breakableSeparationItem -- should this be moved?
+     -- jneem */
   if (bar_seen_)
     {
-      Grob *cmc = unsmob_grob (get_property ("breakableSeparationItem"));
-      if (!cmc)
-       cmc = unsmob_grob (get_property ("currentCommandColumn"));
+      Grob *cmc = unsmob_grob (get_property ("currentCommandColumn"));
 
       /* Ugh, this is a kludge - need this for multi-measure-rest-grace.ly  */
       last_command_item_ = dynamic_cast<Item *> (cmc);
@@ -155,20 +174,20 @@ Multi_measure_rest_engraver::stop_translation_timestep ()
   if (last_command_item_ && (mmrest_ || last_rest_))
     {
       if (last_rest_)
-       {
-         add_bound_item (last_rest_, last_command_item_);
-         for (int i = 0; i < last_numbers_.size (); i++)
-           add_bound_item (last_numbers_[i], last_command_item_);
-       }
+        {
+          add_bound_item (last_rest_, last_command_item_);
+          for (vsize i = 0; i < last_numbers_.size (); i++)
+            add_bound_item (last_numbers_[i], last_command_item_);
+        }
 
       if (mmrest_)
-       {
-         add_bound_item (mmrest_, last_command_item_);
-         for (int i = 0; i < numbers_.size (); i++)
-           add_bound_item (numbers_[i], last_command_item_);
+        {
+          add_bound_item (mmrest_, last_command_item_);
+          for (vsize i = 0; i < numbers_.size (); i++)
+            add_bound_item (numbers_[i], last_command_item_);
 
-         last_command_item_ = 0;
-       }
+          last_command_item_ = 0;
+        }
     }
 
   Moment mp (robust_scm2moment (get_property ("measurePosition"), Moment (0)));
@@ -198,40 +217,35 @@ Multi_measure_rest_engraver::start_translation_timestep ()
       last_rest_ = mmrest_;
       last_numbers_ = numbers_;
 
-      int cur = scm_to_int (get_property ("currentBarNumber"));
+      int cur = scm_to_int (get_property ("internalBarNumber"));
       int num = cur - start_measure_;
 
       /*
-       We can't plug a markup directly into the grob, since the
-       measure-count determines the formatting of the mmrest.
+        We can't plug a markup directly into the grob, since the
+        measure-count determines the formatting of the mmrest.
       */
       last_rest_->set_property ("measure-count", scm_from_int (num));
 
-      SCM sml = get_property ("measureLength");
-      Rational ml = (unsmob_moment (sml)) ? unsmob_moment (sml)->main_part_ : Rational (1);
-      if (ml >= Rational (2))
-       last_rest_->set_property ("use-breve-rest", SCM_BOOL_T);
-
       mmrest_ = 0;
       numbers_.clear ();
 
       Grob *last = last_numbers_.size () ? last_numbers_[0] : 0;
       if (last && last->get_property ("text") == SCM_EOL)
-       {
-         SCM thres = get_property ("restNumberThreshold");
-         int t = 1;
-         if (scm_is_number (thres))
-           t = scm_to_int (thres);
-
-         if (num <= t)
-           last->suicide ();
-         else
-           {
-             SCM text
-               = scm_number_to_string (scm_from_int (num), scm_from_int (10));
-             last->set_property ("text", text);
-           }
-       }
+        {
+          SCM thres = get_property ("restNumberThreshold");
+          int t = 1;
+          if (scm_is_number (thres))
+            t = scm_to_int (thres);
+
+          if (num <= t)
+            last->suicide ();
+          else
+            {
+              SCM text
+                = scm_number_to_string (scm_from_int (num), scm_from_int (10));
+              last->set_property ("text", text);
+            }
+        }
     }
 
   last_main_moment_ = now.main_part_;
@@ -242,21 +256,24 @@ Multi_measure_rest_engraver::finalize ()
 {
 }
 
-#include "translator.icc"
-
 ADD_TRANSLATOR (Multi_measure_rest_engraver,
-               /* doc */
-               "Engraves multi-measure rests that are produced with @code{R}.  Reads "
-               "measurePosition and currentBarNumber to determine what number to print "
-               "over the MultiMeasureRest.  Reads measureLength to determine if it "
-               "should use a whole rest or a breve rest to represent 1 measure ",
-               /* create */ "MultiMeasureRest MultiMeasureRestNumber MultiMeasureRestText",
-               /* accept */ "multi-measure-rest-event multi-measure-text-event",
-               /* read */
-               "currentBarNumber "
-               "restNumberThreshold "
-               "breakableSeparationItem "
-               "currentCommandColumn "
-               "measurePosition "
-               "measureLength",
-               /* write */ "");
+                /* doc */
+                "Engrave multi-measure rests that are produced with"
+                " @samp{R}.  It reads @code{measurePosition} and"
+                " @code{internalBarNumber} to determine what number to print"
+                " over the @ref{MultiMeasureRest}.",
+
+                /* create */
+                "MultiMeasureRest "
+                "MultiMeasureRestNumber "
+                "MultiMeasureRestText ",
+
+                /* read */
+                "internalBarNumber "
+                "restNumberThreshold "
+                "currentCommandColumn "
+                "measurePosition ",
+
+                /* write */
+                ""
+               );