#include "paper-column.hh"
#include "line-of-score.hh"
#include "break-align-item.hh"
-
+#include "group-interface.hh"
void
Spanner::do_break_processing ()
if (!parent->spanned_rank_iv ().contains_b (this->spanned_rank_iv ()))
{
programming_error (to_str ("Spanner `%s' is not fully contained in parent spanner `%s'.",
- classname (this),
- classname (parent)));
+ name().ch_C(),
+ parent->name ().ch_C ()));
}
}
}
span_p->set_bound (RIGHT, bound);
assert (span_p->line_l ());
- span_p->line_l ()->typeset_element (span_p);
+ span_p->line_l ()->typeset_grob (span_p);
broken_into_l_arr_.push (span_p);
}
}
span_p->set_bound(LEFT,bounds[LEFT]);
span_p->set_bound(RIGHT,bounds[RIGHT]);
-
- assert (bounds[LEFT]->line_l () ==
- bounds[RIGHT]->line_l ());
-
- bounds[LEFT]->line_l ()->typeset_element (span_p);
- broken_into_l_arr_.push (span_p);
+ if (!bounds[LEFT]->line_l ()
+
+ || !bounds[RIGHT]->line_l ()
+ || bounds[LEFT]->line_l () != bounds[RIGHT]->line_l ())
+ {
+ programming_error ("bounds of spanner are invalid");
+ span_p->suicide ();
+ }
+ else
+ {
+ bounds[LEFT]->line_l ()->typeset_grob (span_p);
+ broken_into_l_arr_.push (span_p);
+ }
}
}
broken_into_l_arr_.sort (Spanner::compare);
return spanned_drul_ [d];
}
+/*
+ Set the items that this spanner spans. If D == LEFT, we also set the
+ X-axis parent of THIS to S.
+*/
void
-Spanner::set_bound(Direction d, Score_element*s)
+Spanner::set_bound(Direction d, Grob*s)
{
Item * i = dynamic_cast<Item*> (s);
if (!i)
{
set_parent (i, X_AXIS);
}
-}
+ /*
+ Signal that this column needs to be kept alive. They need to be
+ kept alive to have meaningful position and linebreaking.
+
+ [maybe we should try keeping all columns alive?, and perhaps
+ inherit position from their (non-)musical brother]
+
+ */
+ if (dynamic_cast<Paper_column*> (i))
+ {
+ Pointer_group_interface::add_element (i, "bounded-by-me",this);
+ }
+}
Spanner::Spanner (SCM s)
- : Score_element (s)
+ : Grob (s)
{
spanned_drul_[LEFT]=0;
spanned_drul_[RIGHT]=0;
}
Spanner::Spanner (Spanner const &s)
- : Score_element (s)
+ : Grob (s)
{
spanned_drul_[LEFT] = spanned_drul_[RIGHT] =0;
}
-
Real
Spanner::spanner_length() const
{
}
-Score_element*
+Grob*
Spanner::find_broken_piece (Line_of_score*l) const
{
int idx = binsearch_link_array (broken_into_l_arr_, (Spanner*)l, Spanner::compare);
But that doesn't make a difference, since the Paper_column
is likely to contain only a Break_align_item.
*/
- return sc->extent (X_AXIS)[RIGHT];
+ return sc->extent (sc, X_AXIS)[RIGHT];
}
return 0.0;
Direction d = LEFT;
do
if (spanned_drul_[d])
- scm_gc_mark (spanned_drul_[d]->self_scm_);
+ scm_gc_mark (spanned_drul_[d]->self_scm ());
while (flip (&d) != LEFT);
for (int i= broken_into_l_arr_.size () ; i--;)
- scm_gc_mark (broken_into_l_arr_[i]->self_scm_);
+ scm_gc_mark (broken_into_l_arr_[i]->self_scm ());
return SCM_EOL;
}
else
sp->set_bound (RIGHT, it);
}
+
+/*
+ Extends EXTREMAL_PAIR to include IT
+ */
+static void
+extend_spanner_over_item (Item *it, SCM extremal_pair)
+{
+ if (!it)
+ return;
+ Item * col = it->column_l ();
+ Item * i1 = dynamic_cast<Item*> (unsmob_grob (gh_car (extremal_pair)));
+ Item * i2 = dynamic_cast<Item*> (unsmob_grob (gh_cdr (extremal_pair)));
+ int r = Paper_column::rank_i (col);
+ if (!i1 || r < Paper_column::rank_i (i1->column_l ()))
+ {
+ gh_set_car_x (extremal_pair, it->self_scm ());
+ }
+ if (!i2 || r > Paper_column::rank_i (i2->column_l ()))
+ {
+ gh_set_cdr_x (extremal_pair, it->self_scm ());
+ }
+}
+
+/*
+ Extends EXTREMAL_PAIR to include every grob in VALUE
+ */
+static void
+extend_spanner_over_elements (SCM value, SCM extremal_pair)
+{
+ if (gh_pair_p (value))
+ {
+ extend_spanner_over_elements (gh_car (value), extremal_pair);
+ extend_spanner_over_elements (gh_cdr (value), extremal_pair);
+ }
+ else if (unsmob_grob (value))
+ {
+ if (Spanner * sp = dynamic_cast<Spanner*> (unsmob_grob(value)))
+ {
+ extend_spanner_over_item (sp->get_bound (LEFT), extremal_pair);
+ extend_spanner_over_item (sp->get_bound (RIGHT), extremal_pair);
+ }
+ else if (Item * it= dynamic_cast<Item*> (unsmob_grob(value)))
+ extend_spanner_over_item (it, extremal_pair);
+ }
+}
+
+
+/*
+ Make sure that the left and right bounds encompasses all objects it
+ points to.
+
+ TODO: maybe be more specific. Most probably fucks up if someone sets
+ a pointer to the staffsymbol in S
+*/
+void
+extend_spanner_over_elements (Grob*s)
+{
+ Spanner*sp = dynamic_cast<Spanner*> (s);
+
+ SCM s1 = sp->get_bound (LEFT) ? sp->get_bound (LEFT)->self_scm () : SCM_EOL;
+ SCM s2 = sp->get_bound (RIGHT) ? sp->get_bound (RIGHT)->self_scm () : SCM_EOL;
+
+ SCM pair = gh_cons (s1,s2);
+ extend_spanner_over_elements (sp->mutable_property_alist_, pair);
+
+ Grob *p1 = unsmob_grob (gh_car (pair));
+ Grob* p2 = unsmob_grob (gh_cdr (pair));
+ sp->set_bound (LEFT,p1);
+ sp->set_bound (RIGHT, p2);
+}
+