(y_offset_callback): bugfix: decide position

[lilypond.git] / lily / grob.cc

diff --git a/lily/grob.cc b/lily/grob.cc
index 0ad308bdb154c1cdf7064c2dd31d7c3611053ede..f79b266b08ee4e6f36f01cd5e22912d5b0bce838 100644 (file)
--- a/lily/grob.cc
+++ b/lily/grob.cc
@@ -10,6 +10,7 @@
 
 #include <cstring>
 
+#include "align-interface.hh"
 #include "input-smob.hh"
 #include "international.hh"
 #include "item.hh"
@@ -114,12 +115,20 @@ Grob::get_print_stencil () const
       else
        {
          SCM expr = m->expr ();
-         if (point_and_click_global)
-           expr = scm_list_3 (ly_symbol2scm ("grob-cause"),
-                              self_scm (), expr);
+         expr = scm_list_3 (ly_symbol2scm ("grob-cause"),
+                            self_scm (), expr);
 
          retval = Stencil (m->extent_box (), expr);
        }
+      SCM rot = get_property ("rotation");
+      if (scm_is_pair (rot))
+       {
+         Real angle = scm_to_double (scm_car (rot));
+         Real x = scm_to_double (scm_cadr (rot));
+         Real y = scm_to_double (scm_caddr (rot));
+
+         retval.rotate (angle, Offset (x, y));
+       }
 
       /* color support... see interpret_stencil_expression () for more... */
       SCM color = get_property ("color");
@@ -270,6 +279,37 @@ Grob::relative_coordinate (Grob const *refp, Axis a) const
   return off;
 }
 
+Real
+Grob::pure_relative_y_coordinate (Grob const *refp, int start, int end)
+{
+  if (refp == this)
+    return 0.0;
+
+  SCM pure_off = ly_lily_module_constant ("pure-Y-offset");
+  Real off = 0;
+
+  if (dim_cache_[Y_AXIS].offset_)
+    off = *dim_cache_[Y_AXIS].offset_;
+  else if (ly_is_procedure (pure_off))
+    {
+      dim_cache_[Y_AXIS].offset_ = new Real (0.0);
+      off = scm_to_double (scm_apply_3 (pure_off, self_scm (),
+                                       scm_from_int (start), scm_from_int (end),
+                                       SCM_EOL));
+      delete dim_cache_[Y_AXIS].offset_;
+      dim_cache_[Y_AXIS].offset_ = 0;
+    }
+
+  /* we simulate positioning-done if we are the child of a VerticalAlignment */
+  Grob *p = get_parent (Y_AXIS);
+  Real trans = 0;
+  if (Align_interface::has_interface (p))
+    trans = Align_interface::get_pure_child_y_translation (p, this, start, end);
+
+  return off + trans
+    + dim_cache_[Y_AXIS].parent_->pure_relative_y_coordinate (refp, start, end);
+}
+
 /* Invoke callbacks to get offset relative to parent.  */
 Real
 Grob::get_offset (Axis a) const
@@ -297,6 +337,14 @@ Grob::get_offset (Axis a) const
     return 0.0;
 }
 
+Real
+Grob::maybe_pure_coordinate (Grob const *refp, Axis a, bool pure, int start, int end)
+{
+  if (pure && a != Y_AXIS)
+    programming_error ("tried to get pure X-offset");
+  return (pure && a == Y_AXIS) ? pure_relative_y_coordinate (refp, start, end)
+    : relative_coordinate (refp, a);
+}
 
 /****************************************************************
   extents
@@ -350,7 +398,6 @@ Grob::extent (Grob *refp, Axis a) const
       SCM min_ext = internal_get_property (min_ext_sym);
       if (is_number_pair (min_ext))
        real_ext.unite (ly_scm2interval (min_ext));
-      ((Grob*)this)->del_property (ext_sym);
       ((Grob*)this)->dim_cache_[a].extent_ = new Interval (real_ext);  
     }
   
@@ -359,6 +406,36 @@ Grob::extent (Grob *refp, Axis a) const
   return real_ext;
 }
 
+Interval
+Grob::pure_height (Grob *refp, int start, int end)
+{
+  SCM pure_height = ly_lily_module_constant ("pure-Y-extent");
+  Interval iv (0, 0);
+
+  if (ly_is_procedure (pure_height))
+    iv = ly_scm2interval (scm_apply_3 (pure_height, self_scm (),
+                                      scm_from_int (start), scm_from_int (end),
+                                      SCM_EOL));
+  Real offset = pure_relative_y_coordinate (refp, start, end);
+
+  iv.translate (offset);
+  return iv;
+}
+
+Interval
+Grob::maybe_pure_extent (Grob *refp, Axis a, bool pure, int start, int end)
+{
+  if (pure && a != Y_AXIS)
+    programming_error ("tried to get pure width");
+  return (pure && a == Y_AXIS) ? pure_height (refp, start, end) : extent (refp, a);
+}
+
+Interval_t<int>
+Grob::spanned_rank_iv ()
+{
+  return Interval_t<int> (INT_MIN, INT_MAX);
+}
+
 /****************************************************************
   REFPOINTS
 ****************************************************************/
@@ -430,7 +507,7 @@ Grob::fixup_refpoint ()
   MESSAGES
 ****************************************************************/
 void
-Grob::warning (std::string s) const
+Grob::warning (string s) const
 {
   SCM cause = self_scm ();
   while (Grob *g = unsmob_grob (cause))
@@ -443,7 +520,7 @@ Grob::warning (std::string s) const
 }
 
 
-std::string
+string
 Grob::name () const
 {
   SCM meta = get_property ("meta");
@@ -453,7 +530,7 @@ Grob::name () const
 }
 
 void
-Grob::programming_error (std::string s) const
+Grob::programming_error (string s) const
 {
   SCM cause = self_scm ();
   while (Grob *g = unsmob_grob (cause))
@@ -522,6 +599,7 @@ ADD_INTERFACE (Grob, "grob-interface",
               "meta "
               "minimum-X-extent "
               "minimum-Y-extent "
+              "rotation "
               "springs-and-rods "
               "staff-symbol "
               "stencil "
@@ -608,9 +686,9 @@ common_refpoint_of_list (SCM elist, Grob *common, Axis a)
 }
 
 Grob *
-common_refpoint_of_array (Link_array<Grob> const &arr, Grob *common, Axis a)
+common_refpoint_of_array (vector<Grob*> const &arr, Grob *common, Axis a)
 {
-  for (int i = arr.size (); i--;)
+  for (vsize i = arr.size (); i--;)
     if (Grob *s = arr[i])
       {
        if (common)