scripts on 2nds

[lilypond.git] / lily / script.cc

diff --git a/lily/script.cc b/lily/script.cc
index 44ee942f2a71775b14010fa5223d8d14379423b9..7483b07a79318cdf30cac54eb54d4cdc9a52c0ff 100644 (file)
--- a/lily/script.cc
+++ b/lily/script.cc
@@ -1,5 +1,5 @@
 /*   
-  script.cc --  implement Script
+  script.cc --  implement Script_interface
   
   source file of the GNU LilyPond music typesetter
   
@@ -15,11 +15,13 @@
 #include "item.hh"
 #include "molecule.hh"
 #include "lookup.hh"
+#include "stem.hh"
+#include "note-column.hh"
 
 Molecule
-Script::get_molecule (Grob * me, Direction d)
+Script_interface::get_molecule (Grob * me, Direction d)
 {
-  SCM s = me->get_grob_property ("molecule");
+  SCM s = me->get_grob_property ("script-molecule");
   assert (gh_pair_p (s));
 
   SCM key = ly_car (s);
@@ -38,9 +40,9 @@ Script::get_molecule (Grob * me, Direction d)
   return Molecule ();
 }
 
-MAKE_SCHEME_CALLBACK (Script,before_line_breaking,1);
+MAKE_SCHEME_CALLBACK (Script_interface,before_line_breaking,1);
 SCM
-Script::before_line_breaking (SCM smob)
+Script_interface::before_line_breaking (SCM smob)
 {
   Grob * me = unsmob_grob (smob);
 
@@ -48,23 +50,32 @@ Script::before_line_breaking (SCM smob)
 
   if (!d)
     {
-  /*
-    we should not have `arbitrary' directions. 
-   */
+      /*
+       we should not have `arbitrary' directions. 
+      */
       programming_error ("Script direction not yet known!");
       d = DOWN;
     }
   
   Side_position_interface::set_direction (me,d);
 
+  if (Grob * par = me->get_parent (X_AXIS))
+    {
+      Grob * stem = Note_column::stem_l (par);
+      if (stem && Stem::first_head (stem))
+       {
+         me->set_parent (Stem::first_head (stem), X_AXIS);
+       }
+    }
+  
   return SCM_UNSPECIFIED;
 }
 
 
-MAKE_SCHEME_CALLBACK (Script,brew_molecule,1);
+MAKE_SCHEME_CALLBACK (Script_interface,brew_molecule,1);
 
 SCM
-Script::brew_molecule (SCM smob)
+Script_interface::brew_molecule (SCM smob)
 {
   Grob *me= unsmob_grob (smob);
 
@@ -78,15 +89,23 @@ Script::brew_molecule (SCM smob)
   return get_molecule (me, dir).smobbed_copy ();
 }
 
-bool
-Script::has_interface (Grob*me)
+
+
+struct Text_script
 {
-  return me->has_interface (ly_symbol2scm ("script-interface"));
-}
+    static bool has_interface (Grob*);
+};
 
-void
-Script::set_interface (Grob*me)
+struct Skript
 {
-  return me->set_interface (ly_symbol2scm ("script-interface"));
-}
+    static bool has_interface (Grob*);
+};
+
+ADD_INTERFACE (Text_script,"text-script-interface",
+  "Any text script",
+  "script-priority");
+
+ADD_INTERFACE (Script_interface, "script-interface",
+  "",
+  "script-priority script-molecule staff-support");