X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fgrid-line-span-engraver.cc;h=d5f0335a480f7cff62b0a2d9a6e3e3bb90d66331;hb=97a0169312a260933246ab224e4f8b0969871dd5;hp=5ad0bed8a0b2b8acba8aeddb13fb8dcc8925984e;hpb=02c656d3b0cb895cc81b428d699d960746800e45;p=lilypond.git

diff --git a/lily/grid-line-span-engraver.cc b/lily/grid-line-span-engraver.cc
index 5ad0bed8a0..d5f0335a48 100644
--- a/lily/grid-line-span-engraver.cc
+++ b/lily/grid-line-span-engraver.cc
@@ -1,47 +1,60 @@
 /*
-  grid-line-span-engraver.cc --  implement Grid_line_span_engraver
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2005--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 2005 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"
 #include "item.hh"
 #include "grid-line-interface.hh"
 
+#include "translator.icc"
+
 class Grid_line_span_engraver : public Engraver
 {
   Item *spanline_;
-  Link_array<Item> lines_;
+  vector<Item *> lines_;
 
 public:
   TRANSLATOR_DECLARATIONS (Grid_line_span_engraver);
 protected:
-  virtual void acknowledge_grob (Grob_info);
-  virtual void stop_translation_timestep ();
+  void acknowledge_grid_point (Grob_info);
+  void stop_translation_timestep ();
 };
 
-Grid_line_span_engraver::Grid_line_span_engraver ()
+Grid_line_span_engraver::Grid_line_span_engraver (Context *c)
+  : Engraver (c)
 {
   spanline_ = 0;
 }
 
 void
-Grid_line_span_engraver::acknowledge_grob (Grob_info i)
+Grid_line_span_engraver::acknowledge_grid_point (Grob_info i)
 {
   int depth = i.origin_contexts (this).size ();
-  if (depth && i.grob ()->internal_has_interface (ly_symbol2scm ("grid-point-interface")))
+  if (depth)
     {
       Item *it = dynamic_cast<Item *> (i.grob ());
-      lines_.push (it);
+      lines_.push_back (it);
 
       if (lines_.size () >= 2 && !spanline_)
-	{
-	  spanline_ = make_item ("GridLine", SCM_EOL);
-	  spanline_->set_parent (lines_[0], X_AXIS);
-	}
+        {
+          spanline_ = make_item ("GridLine", SCM_EOL);
+          spanline_->set_parent (lines_[0], X_AXIS);
+        }
     }
 }
 
@@ -50,19 +63,31 @@ Grid_line_span_engraver::stop_translation_timestep ()
 {
   if (spanline_)
     {
-      for (int i = 0; i < lines_.size (); i++)
-	Grid_line_interface::add_grid_point (spanline_, lines_[i]);
+      for (vsize i = 0; i < lines_.size (); i++)
+        Grid_line_interface::add_grid_point (spanline_, lines_[i]);
 
       spanline_ = 0;
     }
-  lines_.set_size (0);
+  lines_.resize (0);
+}
+
+void
+Grid_line_span_engraver::boot ()
+{
+  ADD_ACKNOWLEDGER (Grid_line_span_engraver, grid_point);
 }
 
 ADD_TRANSLATOR (Grid_line_span_engraver,
-		/* descr */ "This engraver makes cross-staff linelines: It catches all normal "
-		"line lines, and draws a single span-line across them.",
-		/* creats*/ "GridLine",
-		/* accepts */ "",
-		/* acks  */ "grid-point-interface",
-		/* reads */ "",
-		/* write */ "");
+                /* doc */
+                "This engraver makes cross-staff lines: It catches all normal"
+                " lines and draws a single span line across them.",
+
+                /* create */
+                "GridLine ",
+
+                /* read */
+                "",
+
+                /* write */
+                ""
+               );