* scm/engraver-documentation-lib.scm

[lilypond.git] / lily / system-start-delimiter-engraver.cc

diff --git a/lily/system-start-delimiter-engraver.cc b/lily/system-start-delimiter-engraver.cc
index 27ee99dc86b22375148e2f4431a1cae7b99432bd..1bfd7c22abbf38a50dc9fe325c05d3edd1cfe844 100644 (file)
--- a/lily/system-start-delimiter-engraver.cc
+++ b/lily/system-start-delimiter-engraver.cc
@@ -3,11 +3,10 @@
   
   source file of the GNU LilyPond music typesetter
   
-  (c) 2000--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 2000--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   
  */
 
-
 #include "system-start-delimiter.hh"
 #include "engraver.hh"
 #include "staff-symbol.hh"
@@ -19,8 +18,7 @@
 class System_start_delimiter_engraver : public Engraver
 {
 public:
-  VIRTUAL_COPY_CONS (Translator);
-  System_start_delimiter_engraver ();
+  TRANSLATOR_DECLARATIONS(System_start_delimiter_engraver);
 
 protected:
   Spanner * delim_;
@@ -29,40 +27,39 @@ protected:
   virtual void finalize ();
 };
 
-ADD_THIS_TRANSLATOR (System_start_delimiter_engraver);
+
 
 void
 System_start_delimiter_engraver::acknowledge_grob (Grob_info inf)
 {
-  if (Staff_symbol::has_interface (inf.elem_l_))
+  if (Staff_symbol::has_interface (inf.grob_))
     {
       /*
        don't add as Axis_group_interface::add_element (delim_,),
        because that would set the parent as well */
          
-      Pointer_group_interface::add_element (delim_, "elements", inf.elem_l_);
+      Pointer_group_interface::add_grob (delim_, ly_symbol2scm ("elements"),  inf.grob_);
     }
-  else if (System_start_delimiter::has_interface (inf.elem_l_))
+  else if (System_start_delimiter::has_interface (inf.grob_))
     {
-      SCM gl = inf.elem_l_->get_grob_property ("glyph");
+      SCM gl = inf.grob_->get_grob_property ("glyph");
       SCM my_gl = delim_->get_grob_property ("glyph");
 
       /*
        UGH UGH
        */
-      if (gh_symbol_p (gl) && gl  == ly_symbol2scm ("brace")
-         && gh_symbol_p (my_gl) && my_gl == ly_symbol2scm ("bracket"))
-       inf.elem_l_->translate_axis (-1.0, X_AXIS); // ugh
-      else if (gh_symbol_p (gl) && gl  == ly_symbol2scm ("bracket")
-              && gh_symbol_p (my_gl) && my_gl == ly_symbol2scm ("bracket"))
-       {
-         inf.elem_l_->translate_axis ( -0.8, X_AXIS); // ugh
-          inf.elem_l_->set_grob_property ("arch-height",
-         gh_double2scm(gh_scm2double(inf.elem_l_->get_grob_property
-                                     ("arch-height"))+0.5));
-        }
+      if (gh_string_p (gl) && gh_equal_p (gl, scm_makfrom0str  ("brace"))
+         && gh_string_p (my_gl) && gh_equal_p (my_gl, scm_makfrom0str  ("bracket")))
+       inf.grob_->translate_axis (-0.8, X_AXIS); // ugh
+      else if (gh_string_p (gl) && gh_equal_p (gl, scm_makfrom0str  ("bracket"))
+              && gh_string_p (my_gl) && gh_equal_p (my_gl, scm_makfrom0str  ("bracket")))
+       {
+         inf.grob_->translate_axis ( -0.8, X_AXIS); // ugh
+         inf.grob_->set_grob_property ("arch-height",
+           gh_double2scm(gh_scm2double(inf.grob_->get_grob_property
+                                       ("arch-height"))+0.5));
+       }
     }
-
 }
 
 System_start_delimiter_engraver::System_start_delimiter_engraver ()
@@ -73,12 +70,11 @@ System_start_delimiter_engraver::System_start_delimiter_engraver ()
 void
 System_start_delimiter_engraver::initialize ()
 {
-  delim_ = new Spanner (get_property ("SystemStartDelimiter"));
+  SCM delim_name =get_property ("systemStartDelimiter");
+  delim_ = new Spanner (internal_get_property (delim_name));
 
   delim_->set_bound (LEFT, unsmob_grob (get_property ("currentCommandColumn")));
-
-
-  announce_grob (delim_,0);
+  announce_grob (delim_, SCM_EOL);
 }
 
 void
@@ -88,3 +84,10 @@ System_start_delimiter_engraver::finalize ()
   typeset_grob (delim_);
 }
 
+ENTER_DESCRIPTION(System_start_delimiter_engraver,
+/* descr */       "Creates a system start delimiter (ie. SystemStart@{Bar,Brace,Bracket@} spanner",
+/* creats*/       "SystemStartBar SystemStartBrace SystemStartBracket",
+/* accepts */     "",
+/* acks  */      "system-start-delimiter-interface staff-symbol-interface",
+/* reads */       "systemStartDelimiter",
+/* write */       "");