source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1999--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "script-column.hh"
-#include "debug.hh"
-#include "script.hh"
-#include "note-head.hh"
-#include "stem.hh"
+#include "accidental-placement.hh"
+#include "arpeggio.hh"
+#include "directional-element-interface.hh"
+#include "side-position-interface.hh"
+#include "warn.hh"
+#include "grob.hh"
+#include "pointer-group-interface.hh"
-IMPLEMENT_IS_TYPE_B1(Script_column,Horizontal_vertical_group_item);
+#include <map>
+typedef map<Grob*, vector <Grob*> > Grob_scripts_map;
void
-Script_column::add(Script*s_l)
+Script_column::add_side_positioned (Grob *me, Grob *script)
{
- script_l_arr_.push(s_l);
- add_element(s_l);
-}
-
+ SCM p = script->get_property ("script-priority");
+ if (!scm_is_number (p))
+ return;
-void
-Script_column::do_print()const
-{
-#ifndef NPRINT
- mtor << "scripts: " << script_l_arr_.size() << '\n';
-#endif
+ Pointer_group_interface::add_grob (me, ly_symbol2scm ("scripts"), script);
}
-static int
-idx(bool inside, int dir)
+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.")
{
- int j = (dir+1);
- if ( !inside )
- j ++;
- return j;
+ 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;
}
-void
-Script_column::do_pre_processing()
+MAKE_SCHEME_CALLBACK (Script_column, row_before_line_breaking, 1);
+SCM
+Script_column::row_before_line_breaking (SCM smob)
{
- if (!script_l_arr_.size())
- return;
-
- /* up+inside, up+outside, down+inside, down+outside */
- Array<Script*> placed_l_arr_a[4];
- for (int i=0; i < script_l_arr_.size(); i++) {
- Script*s_l = script_l_arr_[i];
- placed_l_arr_a[idx( s_l->inside_staff_b_ , s_l->dir_i_) ].push(s_l);
- }
-
- for (int j =0; j <4; j++) {
- placed_l_arr_a[j].sort( Script::compare);
+ 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);
+ }
}
+ for (Grob_scripts_map::const_iterator i (head_scripts_map.begin ());
+ i != head_scripts_map.end ();
+ i++)
+ {
+ vector<Grob*> grobs = (*i).second;
- for (int j =0; j < 4; j++) {
- if (placed_l_arr_a[j].size())
- for (int i=0; i < support_l_arr_.size(); i++)
- placed_l_arr_a[j][0]->add_support( support_l_arr_[i]);
- }
-
- Item * support_l=0;
- int j = 0;
- for (; j < 2; j++ ) {
- for (int i=0; i < placed_l_arr_a[j].size(); i++) {
- if (support_l)
- placed_l_arr_a[j][i]->add_support(support_l);
- support_l = placed_l_arr_a[j][i];
- }
- }
- support_l = 0;
- for (; j < 4; j++ ) {
- for (int i=0; i < placed_l_arr_a[j].size(); i++) {
- if (support_l)
- placed_l_arr_a[j][i]->add_support(support_l);
- support_l = placed_l_arr_a[j][i];
- }
+ // this isn't right in all cases, but in general a safe assumption.
+ concat (grobs, affect_all_grobs);
+ order_grobs (grobs);
}
+
+ return SCM_UNSPECIFIED;
}
-void
-Script_column::add_support(Item*i_l)
+MAKE_SCHEME_CALLBACK (Script_column, before_line_breaking, 1);
+SCM
+Script_column::before_line_breaking (SCM smob)
{
- support_l_arr_.push(i_l);
- add_element(i_l);
+ 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::do_substitute_dependency(Score_elem*o,Score_elem*n)
+Script_column::order_grobs (vector<Grob*> grobs)
{
- Horizontal_vertical_group::do_substitute_dependency(o,n);
- if (o->item()) {
- script_l_arr_.substitute((Script*)o->item(),(Script*) (n?n->item():0));
- support_l_arr_.substitute(o->item(), (n?n->item():0));
+ Drul_array<SCM> scripts_drul (SCM_EOL, SCM_EOL);
+ for (vsize i = 0; i < grobs.size (); 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
+ {
+ 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 */
+ ""
+ );