* GNUmakefile.in: config.h message fix.

[lilypond.git] / lily / grob-scheme.cc

diff --git a/lily/grob-scheme.cc b/lily/grob-scheme.cc
index 39d89d29140a83d9ca0cac6aa1096b65407f4818..f46fa63bdf0176601ae506cee4edee0b127871d7 100644 (file)
--- a/lily/grob-scheme.cc
+++ b/lily/grob-scheme.cc
@@ -3,14 +3,15 @@
 #include "spanner.hh"
 #include "item.hh"
 #include "paper-def.hh"
+#include "system.hh"
 
-LY_DEFINE(ly_set_grob_property,"ly-set-grob-property", 3, 0, 0,
+LY_DEFINE(ly_set_grob_property,"ly:set-grob-property!", 3, 0, 0,
   (SCM grob, SCM sym, SCM val),
   "Set @var{sym} in grob @var{grob} to value @var{val}")
 {
   Grob * sc = unsmob_grob (grob);
   SCM_ASSERT_TYPE(sc, grob, SCM_ARG1, __FUNCTION__, "grob");
-  SCM_ASSERT_TYPE(gh_symbol_p(sym), sym, SCM_ARG2, __FUNCTION__, "symbol");  
+  SCM_ASSERT_TYPE(gh_symbol_p (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");  
 
   if (!type_check_assignment (sym, val, ly_symbol2scm ("backend-type?")))
     error ("typecheck failed");
@@ -20,7 +21,7 @@ LY_DEFINE(ly_set_grob_property,"ly-set-grob-property", 3, 0, 0,
 }
 
 LY_DEFINE(ly_get_grob_property,
-         "ly-get-grob-property", 2, 0, 0, (SCM grob, SCM sym),
+         "ly:get-grob-property", 2, 0, 0, (SCM grob, SCM sym),
          "Get the value of a value in grob @var{g} of property @var{sym}. It
 will return @code{'()} (end-of-list) if @var{g} doesn't have @var{sym} set.
 
@@ -46,12 +47,12 @@ initially read from @file{scm/grob-description.scm}.
 {
   Grob * sc = unsmob_grob (grob);
   SCM_ASSERT_TYPE(sc, grob, SCM_ARG1, __FUNCTION__, "grob");
-  SCM_ASSERT_TYPE(gh_symbol_p(sym), sym, SCM_ARG2, __FUNCTION__, "symbol");  
+  SCM_ASSERT_TYPE(gh_symbol_p (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");  
 
   return sc->internal_get_grob_property (sym);
 }
 
-LY_DEFINE(spanner_get_bound, "ly-get-spanner-bound", 2 , 0, 0,
+LY_DEFINE(spanner_get_bound, "ly:get-spanner-bound", 2 , 0, 0,
          (SCM slur, SCM dir),
          "Get one of the bounds of @var{spanner}. @var{dir} may be @code{-1} for
 left, and @code{1} for right.
@@ -63,20 +64,24 @@ left, and @code{1} for right.
   return sl->get_bound (to_dir (dir))->self_scm ();
 }
 
-LY_DEFINE(ly_get_paper_var,"ly-get-paper-variable", 2, 0, 0,
+/*
+  TODO: make difference between scaled and unscalead variable in
+  calling (i.e different funcs.)
+ */
+LY_DEFINE(ly_get_paper_var,"ly:get-paper-variable", 2, 0, 0,
   (SCM grob, SCM sym),
   "Get a variable from the \\paper block.")
 {
   Grob * sc = unsmob_grob (grob);
   SCM_ASSERT_TYPE(sc, grob, SCM_ARG1, __FUNCTION__, "grob");
-  SCM_ASSERT_TYPE(gh_symbol_p(sym), sym, SCM_ARG2, __FUNCTION__, "symbol");  
+  SCM_ASSERT_TYPE(gh_symbol_p (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");  
 
-  return sc->paper_l() ->get_scmvar_scm (sym);
+  return sc->get_paper () ->lookup_variable (sym);
 }
 
 
 
-LY_DEFINE(ly_get_extent, "ly-get-extent", 3, 0, 0,
+LY_DEFINE(ly_get_extent, "ly:get-extent", 3, 0, 0,
          (SCM grob, SCM refp, SCM axis),
          "Get the extent in @var{axis} direction of @var{grob} relative to the
 grob @var{refp}")
@@ -86,19 +91,74 @@ grob @var{refp}")
   SCM_ASSERT_TYPE(sc, grob, SCM_ARG1, __FUNCTION__, "grob");
   SCM_ASSERT_TYPE(ref, refp, SCM_ARG2, __FUNCTION__, "grob");
   
-  SCM_ASSERT_TYPE(ly_axis_p(axis), axis, SCM_ARG3, __FUNCTION__, "axis");
+  SCM_ASSERT_TYPE(ly_axis_p (axis), axis, SCM_ARG3, __FUNCTION__, "axis");
 
   return ly_interval2scm ( sc->extent (ref, Axis (gh_scm2int (axis))));
 }
 
-LY_DEFINE (ly_get_parent,   "ly-get-parent", 2, 0, 0, (SCM grob, SCM axis),
+LY_DEFINE (ly_get_parent,   "ly:get-parent", 2, 0, 0, (SCM grob, SCM axis),
           "Get the parent of @var{grob}.  @var{axis} can be 0 for the X-axis, 1
 for the Y-axis.")
 {
   Grob * sc = unsmob_grob (grob);
   SCM_ASSERT_TYPE(sc, grob, SCM_ARG1, __FUNCTION__, "grob");
-  SCM_ASSERT_TYPE(ly_axis_p(axis), axis, SCM_ARG2, __FUNCTION__, "axis");
+  SCM_ASSERT_TYPE(ly_axis_p (axis), axis, SCM_ARG2, __FUNCTION__, "axis");
 
-  return sc->get_parent (Axis (gh_scm2int (axis)))->self_scm();
+  Grob * par = sc->get_parent (Axis (gh_scm2int (axis)));
+  return par ? par->self_scm() : SCM_EOL;
+}
+
+/* ly prefix? */
+LY_DEFINE (get_system,
+          "ly:get-system",
+          1, 0, 0, (SCM grob),
+          "
+Return the System Grob of @var{grob}.
+")
+{
+  Grob *me = unsmob_grob (grob);
+  SCM_ASSERT_TYPE (me, grob, SCM_ARG1, __FUNCTION__, "grob");
+  
+  if (System *g = me->get_system ())
+    return g->self_scm ();
+    
+  return SCM_EOL;
+}
+
+/* ly prefix? */
+LY_DEFINE (get_original,
+          "ly:get-original",
+          1, 0, 0, (SCM grob),
+          "
+Return the original Grob of @var{grob}
+")
+{
+  Grob *me = unsmob_grob (grob);
+  SCM_ASSERT_TYPE (me, grob, SCM_ARG1, __FUNCTION__, "grob");
+  return me->original_ ? me->original_->self_scm () : me->self_scm ();
+}
+
+
+/* ly prefix? spanner in name? */
+/*
+  TODO: maybe we should return a vector -- random access is more
+  logical for this list?
+ */
+
+LY_DEFINE (get_broken_into,
+         "ly:get-broken-into", 1, 0, 0, (SCM spanner),
+          "
+Return broken-into list for @var{spanner}.
+"
+)
+{
+  ///  Spanner *me = unsmob_spanner (spanner);
+  Spanner *me = dynamic_cast<Spanner*> (unsmob_grob (spanner));
+  SCM_ASSERT_TYPE (me, spanner, SCM_ARG1, __FUNCTION__, "spanner");
+
+  SCM s = SCM_EOL;
+  for (int i = me->broken_intos_.size (); i; i--)
+    s = gh_cons (me->broken_intos_[i-1]->self_scm (), s);
+  return s;
 }