+ while (flip (&d) != LEFT);
+ Interval bounds;
+
+ do
+ {
+ bounds[d] = sp->get_bound (d)->extent (common, X_AXIS)[-d];
+ }
+ while (flip (&d) != LEFT);
+
+ Real lt = sp->paper_l ()->get_var ("stafflinethickness");
+ Real th = gh_scm2double (sp->get_grob_property ("thickness")) * lt ;
+ Real h = gh_scm2double (sp->get_grob_property ("height"));
+ Real l = gh_scm2double (sp->get_grob_property ("minimum-length"));
+ // The hyphen can exist in the word space of the left lyric ...
+ SCM space = sp->get_bound (LEFT)->get_grob_property ("word-space");
+ if (gh_number_p (space))
+ {
+ bounds[LEFT] -= gh_scm2double (space);
+ }
+ Real w = bounds.length ();
+ /* for length, use a geometric mean of the available space and some minimum
+ */
+ if(l < w)
+ l = sqrt(l*w);
+ else
+ {
+ /* OK, we have a problem. Usually this means that we're on the
+ first column, and we have a long lyric which extends to near
+ the offset for stuff */
+ /* This test for being on the first column has been shamelessly
+ ripped from spanner.cc */
+ Paper_column *sc = dynamic_cast<Paper_column*> (sp->get_bound(LEFT)->column_l());
+ if (sc != NULL &&
+ sc->break_status_dir () == RIGHT)
+ {
+ /* We are on the first column, so it's probably harmless to
+ get the minimum length back by extending leftwards into
+ the space under the clef/key sig/time sig */
+ bounds[LEFT] = bounds[RIGHT] - l;
+ }
+ else
+ {
+ /* We can't get the length desired. Maybe we should warn. */
+ l = w;
+ }
+ }
+ Box b (Interval (-l/2,l/2), Interval (h,h+th));
+ Molecule mol (Lookup::filledbox (b));
+ mol.translate_axis (bounds.center ()
+ -sp->relative_coordinate (common, X_AXIS),
+ X_AXIS);
+ return mol.smobbed_copy ();