release: 1.1.1

[lilypond.git] / lily / slur-engraver.cc

diff --git a/lily/slur-engraver.cc b/lily/slur-engraver.cc
index 768d8c42b1ab936de68a0dd5294e6ab6733afc27..33e2b24c2391138feda8e1ca3e8d2061542e83a9 100644 (file)
--- a/lily/slur-engraver.cc
+++ b/lily/slur-engraver.cc
@@ -15,20 +15,21 @@
 bool
 Slur_engraver::do_try_request (Request *req_l)
 {
-  Musical_req *mus_l = req_l->access_Musical_req ();
-  if (!mus_l || !mus_l->access_Slur_req ())
-    return false;
-
-  new_slur_req_l_arr_.push (mus_l->access_Slur_req ());
-  return true;
+  Musical_req *mus_l = dynamic_cast <Musical_req *> (req_l);
+  if (Slur_req *sl = dynamic_cast <Slur_req *> (mus_l))
+    {
+      new_slur_req_l_arr_.push (dynamic_cast <Slur_req *> (mus_l));
+      return true;
+    }
+  return false;
 }
 
 void
 Slur_engraver::acknowledge_element (Score_element_info info)
 {
-  if (info.elem_l_->is_type_b (Note_column::static_name ()))
+  if (dynamic_cast<Note_column *> (info.elem_l_))
     {
-      Note_column *col_l =(Note_column*) info.elem_l_->access_Item() ;// ugh
+      Note_column *col_l =dynamic_cast<Note_column *> (info.elem_l_) ;// ugh
       for (int i = 0; i < slur_l_stack_.size(); i++)
        slur_l_stack_[i]->add_column (col_l);
       for (int i = 0; i < end_slur_l_arr_.size(); i++)
@@ -50,13 +51,6 @@ Slur_engraver::do_removal_processing ()
     }
 }
 
-/*
-  abracadabra
-  */
-Slur_engraver::Slur_engraver()
-{
-  dir_ =CENTER;
-}
 void
 Slur_engraver::do_process_requests()
 {
@@ -98,17 +92,16 @@ Slur_engraver::do_pre_move_processing()
 {
   Scalar dir (get_property ("slurydirection"));
   Scalar dir2 (get_property ("ydirection"));
-  if (dir.length_i ())
-    {
-      dir_ = (Direction) sign (int(dir));
-    }
-  else if (dir2.length_i ())
-    dir_ = (Direction) sign (int (dir2));
+
+  Direction slurdir = CENTER;
+  if (dir.length_i () && dir.isnum_b ())
+    slurdir = (Direction) sign (int(dir));
+  else if (dir2.length_i () && dir2.isnum_b ())
+    slurdir = (Direction) sign (int (dir2));
   
   for (int i = 0; i < end_slur_l_arr_.size(); i++)
     {
-      if (dir_)
-       end_slur_l_arr_[i]->dir_ = dir_;
+      end_slur_l_arr_[i]->dir_ = slurdir;
       typeset_element (end_slur_l_arr_[i]);
     }
   end_slur_l_arr_.clear();