source file of the GNU LilyPond music typesetter
- (c) 2000--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 2000--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "axis-group-interface.hh"
SCM axes = me->get_property ("axes");
if (!scm_is_pair (axes))
programming_error ("axes should be nonempty");
-
+
for (SCM ax = axes; ax != SCM_EOL; ax = scm_cdr (ax))
{
Axis a = (Axis) scm_to_int (scm_car (ax));
e->internal_set_object ((a == X_AXIS)
? ly_symbol2scm ("axis-group-parent-X")
- : ly_symbol2scm ("axis-group-parent-Y"),
+ : ly_symbol2scm ("axis-group-parent-Y"),
me->self_scm ());
}
+ /* must be ordered, because Align_interface also uses
+ Axis_group_interface */
Pointer_group_interface::add_grob (me, ly_symbol2scm ("elements"), e);
- me->add_dependency (e);
}
bool
Axis_group_interface::has_axis (Grob *me, Axis 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));
+ SCM axes = me->get_property ("axes");
+
+ return (SCM_BOOL_F != scm_memq (scm_from_int (a), axes));
}
Interval
-Axis_group_interface::relative_group_extent (Link_array<Grob> const &elts,
+Axis_group_interface::relative_group_extent (vector<Grob*> const &elts,
Grob *common, Axis a)
{
Interval r;
- for (int i = 0; i < elts.size(); i++)
+ for (vsize i = 0; i < elts.size (); i++)
{
Grob *se = elts[i];
Interval dims = se->extent (common, a);
return r;
}
-
-
-MAKE_SCHEME_CALLBACK (Axis_group_interface, group_extent_callback, 2);
+MAKE_SCHEME_CALLBACK (Axis_group_interface, width, 1);
SCM
-Axis_group_interface::group_extent_callback (SCM element_smob, SCM scm_axis)
+Axis_group_interface::width (SCM smob)
{
- Grob *me = unsmob_grob (element_smob);
- Axis a = (Axis) scm_to_int (scm_axis);
+ Grob *me = unsmob_grob (smob);
+ return generic_group_extent (me, X_AXIS);
+}
+MAKE_SCHEME_CALLBACK (Axis_group_interface, height, 1);
+SCM
+Axis_group_interface::height (SCM smob)
+{
+ Grob *me = unsmob_grob (smob);
+ return generic_group_extent (me, Y_AXIS);
+}
+
+SCM
+Axis_group_interface::generic_group_extent (Grob *me, Axis a)
+{
extract_grob_set (me, "elements", elts);
Grob *common = common_refpoint_of_array (elts, me, a);
}
void
-Axis_group_interface::set_axes (Grob *me, Axis a1, Axis a2)
+Axis_group_interface::get_children (Grob *me, vector<Grob*> *found)
{
- SCM sa1 = scm_int2num (a1);
- SCM sa2 = scm_int2num (a2);
-
- SCM axes = me->get_property ("axes");
-
- if (!scm_is_pair (axes)
- || scm_c_memq (sa1, axes) == SCM_BOOL_F
- || scm_c_memq (sa2, axes) == SCM_BOOL_F)
- {
- SCM ax = scm_cons (sa1, SCM_EOL);
- if (a1 != a2)
- ax = scm_cons (sa2, ax);
- me->set_property ("axes", ax);
- }
-
- if (a1 != X_AXIS && a2 != X_AXIS)
- me->set_extent (SCM_EOL, X_AXIS);
- if (a1 != Y_AXIS && a2 != Y_AXIS)
- 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_callback (Axis_group_interface::group_extent_callback_proc, a1);
- if (me->has_extent_callback (Grob::stencil_extent_proc, a2))
- me->set_extent_callback (Axis_group_interface::group_extent_callback_proc, a2);
-}
-
-void
-Axis_group_interface::get_children (Grob *me, Link_array<Grob> *found)
-{
- found->push (me);
+ found->push_back (me);
if (!has_interface (me))
return;
extract_grob_set (me, "elements", elements);
- for (int i = 0; i < elements.size (); i++)
+ for (vsize i = 0; i < elements.size (); i++)
{
Grob *e = elements[i];
Axis_group_interface::get_children (e, found);
}
ADD_INTERFACE (Axis_group_interface, "axis-group-interface",
+
"An object that groups other layout objects.",
- "axes elements");
+
+ /* properties */
+ "axes "
+ "elements ");