#include "dimensions.hh"
#include "p-score.hh"
#include "paper-def.hh"
+#include "p-col.hh"
+
+
+/*
+ Handle spacing for prefatory matter.
+
+
+
+ TODO: rewrite this. It is kludgy
+*/
void
Break_align_item::do_pre_processing()
align_dir_ = break_status_dir();
flip (&align_dir_);
sort_elements ();
-
+ Real interline= paper_l ()->get_realvar (interline_scm_sym);
Link_array<Score_element> elems;
for (int i=0; i < elem_l_arr_.size(); i++)
}
- if (elems.size ())
- {
- Score_element *current_elt =elems[0];
- SCM current_origin = current_elt->get_elt_property (origin_scm_sym);
+
+ if (!elems.size ())
+ return;
- if (current_origin != SCM_BOOL_F)
- current_origin = SCM_CDR (current_origin);
+ SCM symbol_list = SCM_EOL;
+ Array<Real> dists;
+ SCM current_origin = gh_str02scm ("");
+ for (int i=0; i <= elems.size (); i++)
+ {
+ Score_element *next_elt = i < elems.size ()
+ ? elems[i]
+ : 0 ;
- for (int i=1; i < elems.size (); i++)
+ SCM next_origin;
+
+ if (next_elt)
{
- Score_element *next_elt = elems[i];
- SCM next_origin = next_elt->get_elt_property (origin_scm_sym);
- if (next_origin != SCM_BOOL_F)
- {
- next_origin = SCM_CDR(next_origin);
- SCM extra_space = scm_eval (scm_listify (ly_symbol ("break-align-spacer"),
- current_origin,
- next_origin,
- SCM_UNDEFINED));
-
-
- Real spc = gh_scm2double (extra_space);
- spc *= paper_l ()->get_realvar (interline_scm_sym);
-
- current_elt->set_elt_property (extra_space_scm_sym,
- scm_cons (gh_double2scm (0.0),
- gh_double2scm (spc)));
-
- }
- current_elt = next_elt;
- current_origin = next_origin;
+ next_origin = next_elt->get_elt_property (origin_scm_sym);
+ next_origin =
+ (next_origin == SCM_BOOL_F)
+ ? gh_str02scm ("")
+ : SCM_CDR (next_origin);
}
+ else
+ next_origin = gh_str02scm ("begin-of-note");
+
+ SCM extra_space
+ = scm_eval (scm_listify (ly_symbol ("break-align-spacer"),
+ current_origin, next_origin, SCM_UNDEFINED));
+ SCM symbol = SCM_CAR (extra_space);
+ Real spc = gh_scm2double (SCM_CADR(extra_space));
+ spc *= interline;
+
+ dists.push(spc);
+ symbol_list = gh_cons (symbol, symbol_list);
+ current_origin = next_origin;
+ }
+
+ // skip the first sym.
+ symbol_list = SCM_CDR (scm_reverse (symbol_list));
+ for (int i=0; i <elems.size()-1; i++)
+ {
+ elems[i]->set_elt_property (SCM_CAR (symbol_list),
+ scm_cons (gh_double2scm (0),
+ gh_double2scm (dists[i+1])));
+
+ symbol_list = SCM_CDR (symbol_list);
}
+
+
+ // urg
+ SCM first_pair = elems[0]->get_elt_property (minimum_space_scm_sym);
+ if (first_pair == SCM_BOOL_F)
+ first_pair = gh_cons (gh_double2scm (0.0), gh_double2scm (0.0));
+ else
+ first_pair = SCM_CDR (first_pair);
+
+ scm_set_car_x (first_pair, gh_double2scm (-dists[0]));
+ elems[0]->set_elt_property (minimum_space_scm_sym, first_pair);
+
+
+
Axis_align_item::do_pre_processing();
-}
+ Real pre_space = elems[0]->extent (X_AXIS)[LEFT];
+ Real spring_len = elems.top ()->extent (X_AXIS)[RIGHT];
+ if (SCM_CAR (symbol_list) == extra_space_scm_sym)
+ {
+ spring_len += dists.top ();
+ }
+ else if (SCM_CAR (symbol_list) == minimum_space_scm_sym)
+ {
+ spring_len = spring_len >? dists.top ();
+ }
+
+
+ /*
+ Hint the spacing engine how much space to put in.
+ */
+ column_l ()->set_elt_property (extra_space_scm_sym,
+ scm_cons (gh_double2scm (pre_space),
+ gh_double2scm (spring_len)));
+}
Break_align_item::Break_align_item ()
{
stacking_dir_ = RIGHT;
- threshold_interval_[SMALLER] = 1.5 PT;
set_axis (X_AXIS);
}
center_l_ = hg;
}
- /*
- hg->set_elt_property (ly_symbol("origin"),
- scm_cons (gh_str02scm (it->name()),
- hg->get_elt_property (ly_symbol ("origin"))));
- */
hg->add_element (it);
-
-
}