-/*
- axis-group-interface.cc -- implement Axis_group_interface
-
+/*
+ axis-group-interface.cc -- implement Axis_group_interface
+
source file of the GNU LilyPond music typesetter
-
- (c) 2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
-#include "axis-group-interface.hh"
-#include "score-element.hh"
-#include "dimension-cache.hh"
+ (c) 2000--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
-Axis_group_interface::Axis_group_interface (Score_element*s)
-{
- elt_l_ = s;
-}
+#include "axis-group-interface.hh"
-Axis_group_interface
-Axis_group_interface (Score_element*s)
-{
- return Axis_group_interface (s);
-}
+#include "pointer-group-interface.hh"
+#include "grob.hh"
+#include "hara-kiri-group-spanner.hh"
+#include "warn.hh"
void
-Axis_group_interface::add_element (Score_element *e)
+Axis_group_interface::add_element (Grob *me, Grob *e)
{
+ SCM axes = me->get_property ("axes");
+ if (!scm_is_pair (axes))
+ programming_error ("axes should be nonempty");
- // ugh. used_b_ should be junked.
- elt_l_->used_b_ = true;
- e->used_b_ = true;
-
- for (SCM ax = elt_l_->get_elt_property ("axes"); ax != SCM_EOL ; ax = gh_cdr (ax))
+ for (SCM ax = axes; ax != SCM_EOL; ax = scm_cdr (ax))
{
- Axis a = (Axis) gh_scm2int (gh_car (ax));
-
- if (!e->parent_l (a))
- e->set_parent (elt_l_, a);
+ Axis a = (Axis) scm_to_int (scm_car (ax));
+
+ if (!e->get_parent (a))
+ e->set_parent (me, a);
+
+ e->internal_set_object ((a == X_AXIS)
+ ? ly_symbol2scm ("axis-group-parent-X")
+ : ly_symbol2scm ("axis-group-parent-Y"),
+ me->self_scm ());
}
- Pointer_group_interface (elt_l_).add_element (e);
- elt_l_->add_dependency (e);
+ /* must be ordered, because Align_interface also uses
+ Axis_group_interface */
+ Pointer_group_interface::add_grob (me, ly_symbol2scm ("elements"), e);
}
-
bool
-Axis_group_interface::axis_b (Axis a )const
+Axis_group_interface::has_axis (Grob *me, Axis a)
{
- return elt_l_->has_extent_callback_b (group_extent_callback, a);
+ SCM axes = me->get_property ("axes");
+
+ return (SCM_BOOL_F != scm_memq (scm_from_int (a), axes));
}
Interval
-Axis_group_interface::relative_group_extent (Axis a, Score_element *common, SCM elts)
+Axis_group_interface::relative_group_extent (vector<Grob*> const &elts,
+ Grob *common, Axis a)
{
Interval r;
- for (SCM s = elts; gh_pair_p (s); s = gh_cdr (s))
+ for (vsize i = 0; i < elts.size (); i++)
{
- Score_element * se = unsmob_element (gh_car (s));
- Interval dims = se->extent (a);
- if (!dims.empty_b ())
- r.unite (dims + se->relative_coordinate (common, a));
+ Grob *se = elts[i];
+ Interval dims = se->extent (common, a);
+ if (!dims.is_empty ())
+ r.unite (dims);
}
return r;
}
-Interval
-Axis_group_interface::group_extent_callback (Score_element const*me, Axis a)
+MAKE_SCHEME_CALLBACK (Axis_group_interface, width, 1);
+SCM
+Axis_group_interface::width (SCM smob)
{
- Score_element * common =(Score_element*) me;
-
- for (SCM s = me->get_elt_pointer ("elements"); gh_pair_p (s); s = gh_cdr (s))
- {
- Score_element * se = unsmob_element (gh_car (s));
- common = se->common_refpoint (common, a);
- }
-
- Real my_coord = me->relative_coordinate (common, a);
- Interval r (relative_group_extent (a, common, me->get_elt_pointer ("elements")));
-
- return r - my_coord;
+ Grob *me = unsmob_grob (smob);
+ return generic_group_extent (me, X_AXIS);
}
-void
-Axis_group_interface::set_interface ()
+MAKE_SCHEME_CALLBACK (Axis_group_interface, height, 1);
+SCM
+Axis_group_interface::height (SCM smob)
{
- if (!has_interface_b ())
- {
- elt_l_->set_elt_pointer ("elements", SCM_EOL);
- elt_l_->set_elt_property ("transparent", SCM_BOOL_T); // junk this?
- elt_l_->set_elt_property ("axes" , SCM_EOL);
- Group_interface (elt_l_, "interfaces").add_thing (ly_symbol2scm ("Axis_group"));
- }
+ Grob *me = unsmob_grob (smob);
+ return generic_group_extent (me, Y_AXIS);
}
-
-void
-Axis_group_interface::set_axes (Axis a1, Axis a2)
+
+SCM
+Axis_group_interface::generic_group_extent (Grob *me, Axis a)
{
- // set_interface () ?
+ extract_grob_set (me, "elements", elts);
+ Grob *common = common_refpoint_of_array (elts, me, a);
- SCM ax = gh_cons (gh_int2scm (a1), SCM_EOL);
- if (a1 != a2)
- ax= gh_cons (gh_int2scm (a2), ax);
-
-
- elt_l_->set_elt_property ("axes", ax);
+ Real my_coord = me->relative_coordinate (common, a);
+ Interval r (relative_group_extent (elts, common, a));
- if (a1 != X_AXIS && a2 != X_AXIS)
- elt_l_->set_extent_callback (0, X_AXIS);
- if (a1 != Y_AXIS && a2 != Y_AXIS)
- elt_l_->set_extent_callback (0, Y_AXIS);
-
- elt_l_->set_extent_callback (Axis_group_interface::group_extent_callback,a1);
- elt_l_->set_extent_callback (Axis_group_interface::group_extent_callback,a2);
+ return ly_interval2scm (r - my_coord);
}
-Link_array<Score_element>
-Axis_group_interface::get_children ()
+void
+Axis_group_interface::get_children (Grob *me, vector<Grob*> *found)
{
- Link_array<Score_element> childs;
- childs.push (elt_l_) ;
+ found->push_back (me);
- if (!has_interface_b ())
- return childs;
-
- for (SCM ep = elt_l_->get_elt_pointer ("elements"); gh_pair_p (ep); ep = gh_cdr (ep))
+ if (!has_interface (me))
+ return;
+
+ extract_grob_set (me, "elements", elements);
+ for (vsize i = 0; i < elements.size (); i++)
{
- Score_element* e = unsmob_element (gh_car (ep));
- if (e)
- childs.concat (Axis_group_interface (e).get_children ());
+ Grob *e = elements[i];
+ Axis_group_interface::get_children (e, found);
}
-
- return childs;
}
-bool
-Axis_group_interface::has_interface_b ()
-{
- SCM ifs = elt_l_->get_elt_property ("interfaces");
-
- if (!gh_pair_p (ifs ))
- return false;
- return scm_memq (ly_symbol2scm ("Axis_group"),ifs) != SCM_BOOL_F;
-}
+ADD_INTERFACE (Axis_group_interface, "axis-group-interface",
+ "An object that groups other layout objects.",
+ /* properties */
+ "axes "
+ "elements ");
projects / lilypond.git / blobdiff