source file of the GNU LilyPond music typesetter
- (c) 2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 2000--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-
+#include "hara-kiri-group-spanner.hh"
#include "axis-group-interface.hh"
-#include "score-element.hh"
-#include "dimension-cache.hh"
-
-Axis_group_interface::Axis_group_interface (Score_element*s)
-{
- elt_l_ = s;
-}
-
-Axis_group_interface
-Axis_group_interface (Score_element*s)
-{
- return Axis_group_interface (s);
-}
+#include "grob.hh"
void
-Axis_group_interface::add_element (Score_element *e)
+Axis_group_interface::add_element (Grob*me,Grob *e)
{
-
- // 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 = me->get_grob_property ("axes"); ax != SCM_EOL ; ax = ly_cdr (ax))
{
- Axis a = (Axis) gh_scm2int (gh_car (ax));
+ Axis a = (Axis) gh_scm2int (ly_car (ax));
- if (!e->parent_l (a))
- e->set_parent (elt_l_, a);
+ if (!e->get_parent (a))
+ e->set_parent (me, a);
}
- Group_interface (elt_l_).add_element (e);
- elt_l_->add_dependency (e);
+ Pointer_group_interface::add_grob (me, ly_symbol2scm ("elements"), e);
+ me->add_dependency (e);
}
-
bool
-Axis_group_interface::axis_b (Axis a )const
+Axis_group_interface::axis_b (Grob*me,Axis a)
{
- return elt_l_->has_extent_callback_b (group_extent_callback, a);
+ /*
+ urg. FIXME, check for Hara_kiri_group_spanner shouldn't be necessary?
+
+
+ */
+ return me->has_extent_callback_b (group_extent_callback_proc, a) ||
+ (me->has_extent_callback_b (Hara_kiri_group_spanner::y_extent_proc, a));
}
Interval
-Axis_group_interface::relative_group_extent (Axis a, Score_element *common, SCM elts)
+Axis_group_interface::relative_group_extent (Axis a, Grob *common, SCM elts)
{
Interval r;
- for (SCM s = elts; gh_pair_p (s); s = gh_cdr (s))
+ for (SCM s = elts; gh_pair_p (s); s = ly_cdr (s))
{
- Score_element * se = unsmob_element (gh_car (s));
- Interval dims = se->extent (a);
+ Grob * se = unsmob_grob (ly_car (s));
+ Interval dims = se->extent (common, a);
if (!dims.empty_b ())
- r.unite (dims + se->relative_coordinate (common, a));
+ r.unite (dims);
}
return r;
}
-Interval
-Axis_group_interface::group_extent_callback (Score_element const*me, Axis a)
+MAKE_SCHEME_CALLBACK (Axis_group_interface,group_extent_callback,2);
+SCM
+Axis_group_interface::group_extent_callback (SCM element_smob, SCM scm_axis)
{
- Score_element * common =(Score_element*) me;
+ Grob *me = unsmob_grob (element_smob);
+ Axis a = (Axis) gh_scm2int (scm_axis);
- for (SCM s = me->get_elt_property ("elements"); gh_pair_p (s); s = gh_cdr (s))
- {
- Score_element * se = unsmob_element (gh_car (s));
- common = se->common_refpoint (common, a);
- }
+ Grob * common = common_refpoint_of_list (me->get_grob_property ("elements"), me, a);
Real my_coord = me->relative_coordinate (common, a);
- Interval r (relative_group_extent (a, common, me->get_elt_property ("elements")));
+ Interval r (relative_group_extent (a, common, me->get_grob_property ("elements")));
- return r - my_coord;
+ return ly_interval2scm (r - my_coord);
}
void
-Axis_group_interface::set_interface ()
+Axis_group_interface::set_axes (Grob*me,Axis a1, Axis a2)
{
- if (!has_interface_b ())
- {
- elt_l_->set_elt_property ("elements", SCM_EOL);
- elt_l_->set_elt_property ("transparent", SCM_BOOL_T); // junk this?
- elt_l_->set_elt_property ("axes" , SCM_EOL);
- group (elt_l_, "interfaces").add_thing (ly_symbol2scm ("Axis_group"));
- }
-}
-
-void
-Axis_group_interface::set_axes (Axis a1, Axis a2)
-{
- // set_interface () ?
-
- SCM ax = gh_cons (gh_int2scm (a1), SCM_EOL);
- if (a1 != a2)
- ax= gh_cons (gh_int2scm (a2), ax);
+ SCM sa1= gh_int2scm (a1);
+ SCM sa2 = gh_int2scm (a2);
+ SCM axes = me->get_grob_property ("axes");
- elt_l_->set_elt_property ("axes", ax);
+ if (!gh_pair_p (axes)
+ || scm_memq (sa1, axes) == SCM_BOOL_F
+ || scm_memq (sa2, axes) == SCM_BOOL_F)
+ {
+ SCM ax = gh_cons (sa1, SCM_EOL);
+ if (a1 != a2)
+ ax= gh_cons (sa2, ax);
+ me->set_grob_property ("axes", ax);
+ }
if (a1 != X_AXIS && a2 != X_AXIS)
- elt_l_->set_extent_callback (0, X_AXIS);
+ me->set_extent (SCM_EOL, 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);
+ me->set_extent (SCM_EOL, Y_AXIS);
+
+ /*
+ why so convoluted ? (fixme/documentme?)
+ */
+ if (me->has_extent_callback_b (Grob::molecule_extent_proc, a1))
+ me->set_extent (Axis_group_interface::group_extent_callback_proc,a1);
+ if (me->has_extent_callback_b (Grob::molecule_extent_proc, a2))
+ me->set_extent (Axis_group_interface::group_extent_callback_proc,a2);
}
-Link_array<Score_element>
-Axis_group_interface::get_children ()
+Link_array<Grob>
+Axis_group_interface::get_children (Grob*me)
{
- Link_array<Score_element> childs;
- childs.push (elt_l_) ;
+ Link_array<Grob> childs;
+ childs.push (me) ;
- if (!has_interface_b ())
+ if (!has_interface (me))
return childs;
- for (SCM ep = elt_l_->get_elt_property ("elements"); gh_pair_p (ep); ep = gh_cdr (ep))
+ for (SCM ep = me->get_grob_property ("elements"); gh_pair_p (ep); ep = ly_cdr (ep))
{
- Score_element* e = unsmob_element (gh_car (ep));
+ Grob* e = unsmob_grob (ly_car (ep));
if (e)
- childs.concat (Axis_group_interface (e).get_children ());
+ childs.concat (Axis_group_interface::get_children (e));
}
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",
+ "a group of coupled grobs",
+ "axes");
projects / lilypond.git / blobdiff