source file of the GNU LilyPond music typesetter
- (c) 2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 2000--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-
+#include "hara-kiri-group-spanner.hh"
#include "axis-group-interface.hh"
-#include "score-element.hh"
+#include "grob.hh"
void
-Axis_group_interface::add_element (Score_element*me,Score_element *e)
+Axis_group_interface::add_element (Grob*me,Grob *e)
{
- for (SCM ax = me->get_elt_property ("axes"); ax != SCM_EOL ; ax = gh_cdr (ax))
+ for (SCM ax = me->get_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))
+ if (!e->get_parent (a))
e->set_parent (me, a);
}
- Pointer_group_interface (me).add_element (e);
+ Pointer_group_interface::add_grob (me, ly_symbol2scm ("elements"), e);
me->add_dependency (e);
}
bool
-Axis_group_interface::axis_b (Score_element*me,Axis a )
+Axis_group_interface::has_axis (Grob*me,Axis a)
{
- return me->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 (group_extent_callback_proc, a) ||
+ (me->has_extent_callback (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);
- if (!dims.empty_b ())
- r.unite (dims + se->relative_coordinate (common, a));
+ Grob * se = unsmob_grob (ly_car (s));
+ Interval dims = se->extent (common, a);
+ if (!dims.is_empty ())
+ r.unite (dims);
}
return r;
}
-Interval
-Axis_group_interface::group_extent_callback (Score_element *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);
- }
+ SCM elts = me->get_property ("elements");
+ Grob * common = common_refpoint_of_list (elts, 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,elts));
- return r - my_coord;
+ return ly_interval2scm (r - my_coord);
}
-
-
void
-Axis_group_interface::set_axes (Score_element*me,Axis a1, Axis a2)
+Axis_group_interface::set_axes (Grob*me,Axis a1, Axis a2)
{
- // set_interface () ?
- SCM sa1= gh_int2scm (a1);
- SCM sa2 = gh_int2scm (a2);
+ SCM sa1= scm_int2num (a1);
+ SCM sa2 = scm_int2num (a2);
- SCM prop = me->get_elt_property ("axes");
+ SCM axes = me->get_property ("axes");
- if (!gh_pair_p (prop)
- || scm_memq (sa1, prop) == SCM_BOOL_F
- || scm_memq (sa2, prop) == SCM_BOOL_F)
+ if (!gh_pair_p (axes)
+ || scm_c_memq (sa1, axes) == SCM_BOOL_F
+ || scm_c_memq (sa2, axes) == SCM_BOOL_F)
{
SCM ax = gh_cons (sa1, SCM_EOL);
if (a1 != a2)
ax= gh_cons (sa2, ax);
- me->set_elt_property ("axes", ax);
+ me->set_property ("axes", ax);
}
if (a1 != X_AXIS && a2 != X_AXIS)
- me->set_extent_callback (0, X_AXIS);
+ me->set_extent (SCM_EOL, X_AXIS);
if (a1 != Y_AXIS && a2 != Y_AXIS)
- me->set_extent_callback (0, Y_AXIS);
-
- me->set_extent_callback (Axis_group_interface::group_extent_callback,a1);
- me->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 (Grob::stencil_extent_proc, a1))
+ me->set_extent (Axis_group_interface::group_extent_callback_proc,a1);
+ if (me->has_extent_callback (Grob::stencil_extent_proc, a2))
+ me->set_extent (Axis_group_interface::group_extent_callback_proc,a2);
}
-Link_array<Score_element>
-Axis_group_interface::get_children (Score_element*me)
+Link_array<Grob>
+Axis_group_interface::get_children (Grob*me)
{
- Link_array<Score_element> childs;
+ Link_array<Grob> childs;
childs.push (me) ;
if (!has_interface (me))
return childs;
- for (SCM ep = me->get_elt_property ("elements"); gh_pair_p (ep); ep = gh_cdr (ep))
+ for (SCM ep = me->get_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::get_children (e));
}
return childs;
}
-bool
-Axis_group_interface::has_interface (Score_element*me)
-{
- return me && me->has_interface (ly_symbol2scm ("axis-group-interface"));
-}
-
-void
-Axis_group_interface::set_interface (Score_element*me)
-{
- if (!has_interface (me))
- {
- me->set_interface (ly_symbol2scm ("axis-group-interface"));
- }
-}
+ADD_INTERFACE (Axis_group_interface, "axis-group-interface",
+ "An object that groups other layout objects.",
+ "axes elements");
projects / lilypond.git / blobdiff