#include "ly-smobs.icc"
#include "output-def.hh"
+MAKE_SCHEME_CALLBACK(Grob, same_axis_parent_positioning, 2);
+SCM
+Grob::same_axis_parent_positioning (SCM element_smob, SCM axis)
+{
+ Grob *me = unsmob_grob (element_smob);
+ Axis ax = Axis (scm_to_int (axis));
+
+ Grob *par = me->get_parent (ax);
+ if (par)
+ par->get_property ("positioning-done");
+
+ return scm_from_double (0.0);
+}
+
+MAKE_SCHEME_CALLBACK(Grob,other_axis_parent_positioning, 2);
+SCM
+Grob::other_axis_parent_positioning (SCM element_smob, SCM axis)
+{
+ Grob *me = unsmob_grob (element_smob);
+ Axis ax = other_axis ((Axis) scm_to_int (axis));
+
+ Grob *par = me->get_parent (ax);
+ if (par)
+ par->get_property ("positioning-done");
+
+ return scm_from_double (0.0);
+}
+
+
+
Grob *
Grob::clone (int count) const
{
immutable_property_alist_ = basicprops;
mutable_property_alist_ = SCM_EOL;
object_alist_ = SCM_EOL;
-
+ property_callbacks_ = SCM_EOL;
+
/* We do smobify_self () as the first step. Since the object lives
on the heap, none of its SCM variables are protected from
GC. After smobify_self (), they are. */
creation. Convenient eg. when using \override with
StaffSymbol. */
+ property_callbacks_ = get_property ("callbacks");
+
SCM off_callbacks[] = {
get_property ("X-offset-callbacks"),
get_property ("Y-offset-callbacks")
else if (ly_is_procedure (cb))
dim_cache_[a].dimension_callback_ = cb;
else if (cb == SCM_EOL
- && ly_is_procedure (get_property ("print-function")))
+ && ly_is_procedure (ly_assoc_get (ly_symbol2scm ("stencil"),
+ property_callbacks_, SCM_BOOL_F)))
dim_cache_[a].dimension_callback_ = stencil_extent_proc;
}
+
}
Grob::Grob (Grob const &s, int copy_index)
immutable_property_alist_ = s.immutable_property_alist_;
mutable_property_alist_ = ly_deep_copy (s.mutable_property_alist_);
interfaces_ = s.interfaces_;
+ property_callbacks_ = s.property_callbacks_;
object_alist_ = SCM_EOL;
- /* No properties are copied. That is the job of
- handle_broken_dependencies. */
- status_ = s.status_;
pscore_ = 0;
smobify_self ();
return pscore_ ? pscore_->layout () : 0;
}
-/* Recursively track all dependencies of this Grob. The status_ field
- is used as a mark-field. It is marked with BUSY during execution
- of this function, and marked with FINAL when finished.
-
- FUNCPTR is the function to call to update this element. */
-void
-Grob::calculate_dependencies (int final, int busy, SCM funcname)
-{
- if (status_ >= final)
- return;
-
- if (status_ == busy)
- {
- programming_error ("element is busy, come back later");
- return;
- }
-
- status_ = busy;
-
- extract_grob_set (this, "dependencies", deps);
- for (int i = 0; i < deps.size (); i++)
- deps[i]->calculate_dependencies (final, busy, funcname);
-
- SCM proc = internal_get_property (funcname);
- if (ly_is_procedure (proc))
- scm_call_1 (proc, this->self_scm ());
-
- status_ = final;
-}
-
Stencil *
Grob::get_stencil () const
{
return 0;
SCM stil = get_property ("stencil");
- if (unsmob_stencil (stil))
- return unsmob_stencil (stil);
-
- stil = get_uncached_stencil ();
- if (is_live ())
- {
- Grob *me = (Grob *) this;
- me->set_property ("stencil", stil);
- }
-
return unsmob_stencil (stil);
}
-SCM
-Grob::get_uncached_stencil () const
+Stencil
+Grob::get_print_stencil () const
{
- SCM proc = get_property ("print-function");
-
- SCM stil = SCM_EOL;
- if (ly_is_procedure (proc))
- stil = scm_apply_0 (proc, scm_list_n (this->self_scm (), SCM_UNDEFINED));
+ SCM stil = get_property ("stencil");
+ Stencil retval;
if (Stencil *m = unsmob_stencil (stil))
{
+ retval = *m;
if (to_boolean (get_property ("transparent")))
- stil = Stencil (m->extent_box (), SCM_EOL).smobbed_copy ();
+ retval = Stencil (m->extent_box (), SCM_EOL);
else
{
SCM expr = m->expr ();
if (point_and_click_global)
expr = scm_list_3 (ly_symbol2scm ("grob-cause"), self_scm (), expr);
- stil = Stencil (m->extent_box (), expr).smobbed_copy ();
+ retval = Stencil (m->extent_box (), expr);
}
/* color support... see interpret_stencil_expression () for more... */
color,
m->expr ());
- stil = Stencil (m->extent_box (), expr).smobbed_copy ();
+ retval = Stencil (m->extent_box (), expr);
}
+
}
- return stil;
+ return retval;
}
/*
return 0;
}
-void
-Grob::add_dependency (Grob *e)
-{
- if (e)
- Pointer_group_interface::add_grob (this, ly_symbol2scm ("dependencies"), e);
- else
- programming_error ("null dependency added");
-}
void
Grob::handle_broken_dependencies ()
mutable_property_alist_ = SCM_EOL;
object_alist_ = SCM_EOL;
+ property_callbacks_ = SCM_EOL;
immutable_property_alist_ = SCM_EOL;
interfaces_ = SCM_EOL;
SCM meta = get_property ("meta");
SCM nm = scm_assoc (ly_symbol2scm ("name"), meta);
nm = (scm_is_pair (nm)) ? scm_cdr (nm) : SCM_EOL;
- return scm_is_symbol (nm) ? ly_symbol2string (nm) : classname (this);
+ return scm_is_symbol (nm) ? ly_symbol2string (nm) : this->class_name ();
}
void
"Mutable properties are variables that are specific to one grob. Typically, "
"lists of other objects, or results from computations are stored in"
"mutable properties: every call to set-grob-property (or its C++ equivalent) "
- "sets a mutable property. ",
- "X-offset-callbacks Y-offset-callbacks X-extent-callback stencil cause "
- "Y-extent-callback print-function extra-offset spacing-procedure "
- "context staff-symbol interfaces dependencies X-extent Y-extent extra-X-extent "
- "meta layer before-line-breaking-callback "
- "color "
+ "sets a mutable property. "
+ "\n\n"
+ "The properties @code{after-line-breaking} and @code{before-line-breaking} "
+ "are dummies that are not user-serviceable. "
+
+ ,
+
+ /* properties */
+ "X-extent "
+ "X-extent-callback "
+ "X-offset-callbacks "
+ "Y-extent "
+ "Y-extent-callback "
+ "Y-offset-callbacks "
+ "after-line-breaking "
"axis-group-parent-X "
"axis-group-parent-Y "
- "after-line-breaking-callback extra-Y-extent minimum-X-extent "
- "minimum-Y-extent transparent");
+ "before-line-breaking "
+ "callbacks "
+ "cause "
+ "color "
+ "context "
+ "extra-X-extent "
+ "extra-Y-extent "
+ "extra-offset "
+ "interfaces "
+ "layer "
+ "meta "
+ "minimum-X-extent "
+ "minimum-Y-extent "
+ "print-function "
+ "spacing-procedure "
+ "staff-symbol "
+ "stencil "
+ "transparent"
+ );
+