-/*
- g-script-column.cc -- implement Script_column
-
+/*
+ script-column.cc -- implement Script_column
+
source file of the GNU LilyPond music typesetter
-
- (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+
+ (c) 1999--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
+
#include "script-column.hh"
+
+#include "accidental-placement.hh"
+#include "arpeggio.hh"
+#include "directional-element-interface.hh"
#include "side-position-interface.hh"
-#include "dimension-cache.hh"
-#include "group-interface.hh"
+#include "warn.hh"
+#include "grob.hh"
+#include "pointer-group-interface.hh"
+
+#include <map>
+
+typedef map<Grob*, vector <Grob*> > Grob_scripts_map;
void
-Script_column::add_staff_sided (Item *i)
+Script_column::add_side_positioned (Grob *me, Grob *script)
{
- SCM p = i->get_elt_property ("script-priority");
- if (!gh_number_p (p))
+ SCM p = script->get_property ("script-priority");
+ if (!scm_is_number (p))
return;
-
- Pointer_group_interface gi (this, "scripts");
- gi.add_element (i);
-
- add_dependency (i);
+ Pointer_group_interface::add_grob (me, ly_symbol2scm ("scripts"), script);
}
-Script_column::Script_column (SCM s)
- : Item (s)
+LY_DEFINE (ly_grob_script_priority_less, "ly:grob-script-priority-less",
+ 2, 0, 0, (SCM a, SCM b),
+ "Compare two grobs by script priority. For internal use.")
{
- set_elt_pointer ("scripts", SCM_EOL);
+ Grob *i1 = unsmob_grob (a);
+ Grob *i2 = unsmob_grob (b);
+
+ SCM p1 = i1->get_property ("script-priority");
+ SCM p2 = i2->get_property ("script-priority");
+
+ return scm_to_int (p1) < scm_to_int (p2) ? SCM_BOOL_T : SCM_BOOL_F;
}
-static int
-staff_side_compare (Item * const &i1,
- Item * const &i2)
+MAKE_SCHEME_CALLBACK (Script_column, row_before_line_breaking, 1);
+SCM
+Script_column::row_before_line_breaking (SCM smob)
{
- SCM p1 = i1->get_elt_property ("script-priority");
- SCM p2 = i2->get_elt_property ("script-priority");
+ Grob *me = unsmob_grob (smob);
+ vector<Grob*> horizontal_grobs;
+ extract_grob_set (me, "scripts", scripts);
+
+ Grob_scripts_map head_scripts_map;
+ vector<Grob *> affect_all_grobs;
+ for (vsize i = 0; i < scripts.size (); i++)
+ {
+ Grob *sc = scripts[i];
+
+ /*
+ Don't want to consider scripts horizontally next to notes.
+ */
+ if (Accidental_placement::has_interface (sc)
+ || Arpeggio::has_interface (sc))
+ {
+ affect_all_grobs.push_back (sc);
+ }
+ else if (sc->get_property_data ("Y-offset") !=
+ Side_position_interface::x_aligned_side_proc)
+ {
+ head_scripts_map[sc->get_parent (Y_AXIS)].push_back (sc);
+ }
+ }
- return gh_scm2int (p1) - gh_scm2int (p2);
+ for (Grob_scripts_map::const_iterator i (head_scripts_map.begin ());
+ i != head_scripts_map.end ();
+ i++)
+ {
+ vector<Grob*> grobs = (*i).second;
+
+ // this isn't right in all cases, but in general a safe assumption.
+ concat (grobs, affect_all_grobs);
+ order_grobs (grobs);
+ }
+
+ return SCM_UNSPECIFIED;
}
-GLUE_SCORE_ELEMENT(Script_column,before_line_breaking);
+
+MAKE_SCHEME_CALLBACK (Script_column, before_line_breaking, 1);
SCM
-Script_column::member_before_line_breaking ()
+Script_column::before_line_breaking (SCM smob)
+{
+ Grob *me = unsmob_grob (smob);
+ vector<Grob*> staff_sided;
+
+ extract_grob_set (me, "scripts", scripts);
+ for (vsize i = 0; i < scripts.size (); i++)
+ {
+ Grob *sc = scripts[i];
+ /*
+ Don't want to consider scripts horizontally next to notes.
+ */
+ if (sc->get_property_data ("X-offset") !=
+ Side_position_interface::x_aligned_side_proc)
+ staff_sided.push_back (sc);
+ }
+
+ order_grobs (staff_sided);
+ return SCM_UNSPECIFIED;
+}
+
+void
+Script_column::order_grobs (vector<Grob*> grobs)
{
- Drul_array<Link_array<Item> > arrs;
- Link_array<Item> staff_sided
- = Pointer_group_interface__extract_elements (this, (Item*)0, "scripts");
-
-
- for (int i=0; i < staff_sided.size (); i++)
+ Drul_array<SCM> scripts_drul (SCM_EOL, SCM_EOL);
+ for (vsize i = 0; i < grobs.size (); i++)
{
- Side_position_interface st (staff_sided[i]);
- arrs[st.get_direction ()].push (staff_sided[i]);
+ Grob *g = grobs[i];
+ Direction d = get_grob_direction (g);
+
+ scripts_drul[d] = scm_cons (g->self_scm (), scripts_drul[d]);
}
Direction d = DOWN;
- do {
- Link_array<Item> &arr(arrs[d]);
-
- arr.sort (staff_side_compare);
-
- Item * last = 0;
- for (int i=0; i < arr.size (); i++)
- {
- Side_position_interface s (arr[i]);
- if (last)
- {
- s.add_support (last);
- }
-
- arr[i]->remove_elt_property ("script-priority");
- last = arr[i];
- }
-
- } while (flip (&d) != DOWN);
-
- return SCM_UNDEFINED;
+ do
+ {
+ SCM ss = scm_reverse_x (scripts_drul[d], SCM_EOL);
+ ss = scm_stable_sort_x (ss, ly_grob_script_priority_less_proc);
+
+ Grob *last = 0;
+ for (SCM s = ss; scm_is_pair (s); s = scm_cdr (s))
+ {
+ Grob *g = unsmob_grob (scm_car (s));
+ if (last)
+ {
+ SCM outside_staff = last->get_property ("outside-staff-priority");
+ if (scm_is_number (outside_staff))
+ {
+ /* we allow the outside-staff-priority ordering to override the
+ script-priority ordering */
+ if (!scm_is_number (g->get_property ("outside-staff-priority")))
+ g->set_property ("outside-staff-priority",
+ scm_from_double (scm_to_double (outside_staff) + 0.1));
+ }
+ else
+ Side_position_interface::add_support (g, last);
+ }
+
+ last = g;
+ }
+ }
+ while (flip (&d) != DOWN);
}
+ADD_INTERFACE (Script_column,
+ "An interface that sorts scripts according to their"
+ " @code{script-priority}.",
+
+ /* properties */
+ ""
+ );
projects / lilypond.git / blobdiff