From 0c4042d6016f86c0c165e753d0c54bc0583720c5 Mon Sep 17 00:00:00 2001
From: fred <fred>
Date: Mon, 28 Jul 1997 22:06:24 +0000
Subject: [PATCH] lilypond-0.0.77.jcn1

---
 lily/line-group-grav.cc | 51 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 lily/line-group-grav.cc

diff --git a/lily/line-group-grav.cc b/lily/line-group-grav.cc
new file mode 100644
index 0000000000..843fa5b551
--- /dev/null
+++ b/lily/line-group-grav.cc
@@ -0,0 +1,51 @@
+/*
+  staff-gravs.cc -- implement Line_group_engraver
+
+  source file of the GNU LilyPond music typesetter
+
+  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+*/
+
+#include "staff-sym.hh"
+#include "line-group-grav.hh"
+#include "command-request.hh"
+#include "bar.hh"
+#include "debug.hh"
+#include "staffline.hh"
+
+
+Line_group_engraver::Line_group_engraver()
+{
+    staffline_p_ =0;
+}
+
+void
+Line_group_engraver::acknowledge_element(Score_elem_info  elem)
+{
+    staffline_p_->add_element(elem.elem_l_);
+}
+
+
+void
+Line_group_engraver::do_removal_processing()
+{
+    staffline_p_->right_col_l_ = get_staff_info().command_pcol_l();
+    typeset_element(staffline_p_);
+    staffline_p_ = 0;
+}
+
+void
+Line_group_engraver::do_creation_processing()
+{
+    staffline_p_ = new Line_of_staff;
+    staffline_p_->left_col_l_ = get_staff_info().command_pcol_l();
+
+    // don't broadcast to self.
+    announce_element(Score_elem_info(staffline_p_,0));
+}
+
+
+
+IMPLEMENT_IS_TYPE_B1(Line_group_engraver,Engraver);
+ADD_THIS_ENGRAVER(Line_group_engraver);
+
-- 
2.39.5