X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fsystem.cc;h=0551b85cbccda5286e770fdc238722edda48aec7;hb=b872748c6aa8bb721ced458691b38ac2fac5dfc8;hp=19279d7cd061e7b0c309f96c2a6f74b67f236e95;hpb=528fe05abc9baab629c789428bd323f00a87f82d;p=lilypond.git diff --git a/lily/system.cc b/lily/system.cc index 19279d7cd0..0551b85cbc 100644 --- a/lily/system.cc +++ b/lily/system.cc @@ -1,7 +1,7 @@ /* This file is part of LilyPond, the GNU music typesetter. - Copyright (C) 1996--2011 Han-Wen Nienhuys + Copyright (C) 1996--2015 Han-Wen Nienhuys LilyPond is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -22,6 +22,7 @@ #include "align-interface.hh" #include "all-font-metrics.hh" #include "axis-group-interface.hh" +#include "break-align-interface.hh" #include "grob-array.hh" #include "hara-kiri-group-spanner.hh" #include "international.hh" @@ -35,7 +36,11 @@ #include "pointer-group-interface.hh" #include "skyline-pair.hh" #include "staff-symbol-referencer.hh" +#include "system-start-delimiter.hh" +#include "text-interface.hh" #include "warn.hh" +#include "unpure-pure-container.hh" +#include "lily-imports.hh" System::System (System const &src) : Spanner (src) @@ -58,7 +63,7 @@ void System::init_elements () { SCM scm_arr = Grob_array::make_array (); - all_elements_ = unsmob_grob_array (scm_arr); + all_elements_ = unsmob (scm_arr); all_elements_->set_ordered (false); set_object ("all-elements", scm_arr); } @@ -101,16 +106,9 @@ System::typeset_grob (Grob *elem) void System::derived_mark () const { - if (!all_elements_->empty ()) - { - Grob **ptr = &all_elements_->array_reference ()[0]; - Grob **end = ptr + all_elements_->size (); - while (ptr < end) - { - scm_gc_mark ((*ptr)->self_scm ()); - ptr++; - } - } + const vector &arr = all_elements_->array (); + for (vsize i = arr.size (); i--;) + scm_gc_mark (arr[i]->self_scm ()); if (pscore_) scm_gc_mark (pscore_->self_scm ()); @@ -132,20 +130,20 @@ System::do_break_substitution_and_fixup_refpoints () { Grob *g = all_elements_->grob (i); if (g->internal_has_interface (ly_symbol2scm ("only-prebreak-interface"))) - { - /* - Kill no longer needed grobs. - */ - Item *it = dynamic_cast (g); - if (it && Item::is_non_musical (it)) - { - it->find_prebroken_piece (LEFT)->suicide (); - it->find_prebroken_piece (RIGHT)->suicide (); - } - g->suicide (); - } + { + /* + Kill no longer needed grobs. + */ + Item *it = dynamic_cast (g); + if (it && Item::is_non_musical (it)) + { + it->find_prebroken_piece (LEFT)->suicide (); + it->find_prebroken_piece (RIGHT)->suicide (); + } + g->suicide (); + } else if (g->is_live ()) - g->do_break_processing (); + g->do_break_processing (); } /* @@ -158,10 +156,10 @@ System::do_break_substitution_and_fixup_refpoints () extract_grob_set (se, "all-elements", all_elts); for (vsize j = 0; j < all_elts.size (); j++) - { - Grob *g = all_elts[j]; - g->fixup_refpoint (); - } + { + Grob *g = all_elts[j]; + g->fixup_refpoint (); + } count += all_elts.size (); } @@ -176,7 +174,7 @@ System::do_break_substitution_and_fixup_refpoints () handle_broken_dependencies (); - /* Because the this->get_property (all-elements) contains items in 3 + /* Because the get_property (all-elements) contains items in 3 versions, handle_broken_dependencies () will leave duplicated items in all-elements. Strictly speaking this is harmless, but it leads to duplicated symbols in the output. uniq makes sure @@ -185,16 +183,16 @@ System::do_break_substitution_and_fixup_refpoints () { System *child = dynamic_cast (broken_intos_[i]); child->all_elements_->remove_duplicates (); + for (vsize j = 0; j < child->all_elements_->size (); j++) - { - Grob *g = child->all_elements_->grob (j); + { + Grob *g = child->all_elements_->grob (j); - (void) g->get_property ("after-line-breaking"); - } + (void) g->get_property ("after-line-breaking"); + } } - if (be_verbose_global) - message (_f ("Element count %d", count + element_count ()) + "\n"); + debug_output (_f ("Element count %d", count + element_count ()) + "\n"); } SCM @@ -203,7 +201,7 @@ System::get_broken_system_grobs () SCM ret = SCM_EOL; for (vsize i = 0; i < broken_intos_.size (); i++) ret = scm_cons (broken_intos_[i]->self_scm (), ret); - return scm_reverse (ret); + return scm_reverse_x (ret, SCM_EOL); } SCM @@ -212,20 +210,226 @@ System::get_paper_systems () SCM lines = scm_c_make_vector (broken_intos_.size (), SCM_EOL); for (vsize i = 0; i < broken_intos_.size (); i++) { - if (be_verbose_global) - progress_indication ("["); + debug_output ("[", false); System *system = dynamic_cast (broken_intos_[i]); scm_vector_set_x (lines, scm_from_int (i), - system->get_paper_system ()); + system->get_paper_system ()); - if (be_verbose_global) - progress_indication (to_string (i) + "]"); + debug_output (::to_string (i) + "]", false); } return lines; } +vector +System::get_footnote_grobs_in_range (vsize start, vsize end) +{ + vector out; + extract_grob_set (this, "footnotes-before-line-breaking", footnote_grobs); + for (vsize i = 0; i < footnote_grobs.size (); i++) + { + Grob *at_bat = footnote_grobs[i]; + int pos = at_bat->spanned_rank_interval ()[LEFT]; + bool end_of_line_visible = true; + if (Spanner *s = dynamic_cast(at_bat)) + { + Direction spanner_placement = robust_scm2dir (s->get_property ("spanner-placement"), LEFT); + if (spanner_placement == CENTER) + spanner_placement = LEFT; + + pos = s->spanned_rank_interval ()[spanner_placement]; + if (s->original ()) + { + Spanner *orig = dynamic_cast(s->original ()); + at_bat = spanner_placement == LEFT ? orig->broken_intos_[0] : orig->broken_intos_.back (); + pos = at_bat->spanned_rank_interval ()[RIGHT]; + } + } + + if (Item *item = dynamic_cast(at_bat)) + { + /* + We use this to weed out grobs that fall at the end + of the line when we want grobs at the beginning. + */ + end_of_line_visible = item->break_status_dir () == LEFT; + + if (!Item::break_visible (item)) + continue; + // safeguard to bring down the column rank so that end of line footnotes show up on the correct line + if (pos == int (start) && item->break_status_dir () != RIGHT) + continue; + if (pos == int (end) && item->break_status_dir () != LEFT) + continue; + if (pos != int (end) && pos != int (start) && item->break_status_dir () != CENTER) + continue; + } + + if (pos < int (start)) + continue; + if (pos > int (end)) + continue; + if (pos == int (start) && end_of_line_visible) + continue; + if (pos == int (end) && !end_of_line_visible) + continue; + if (!at_bat->is_live ()) + continue; + /* + TODO + Sometimes, there are duplicate entries in the all_elements_ + list. In a separate patch, this practice should be squashed + so that the check below can be eliminated. + */ + if (find (out.begin (), out.end (), at_bat) != out.end ()) + continue; + + out.push_back (at_bat); + } + return out; +} + +vector +System::get_footnote_heights_in_range (vsize start, vsize end) +{ + return internal_get_note_heights_in_range (start, end, true); +} + +vector +System::get_in_note_heights_in_range (vsize start, vsize end) +{ + return internal_get_note_heights_in_range (start, end, false); +} + +vector +System::internal_get_note_heights_in_range (vsize start, vsize end, bool foot) +{ + vector footnote_grobs = get_footnote_grobs_in_range (start, end); + vector out; + + for (vsize i = footnote_grobs.size (); i--;) + if (foot + ? !to_boolean (footnote_grobs[i]->get_property ("footnote")) + : to_boolean (footnote_grobs[i]->get_property ("footnote"))) + footnote_grobs.erase (footnote_grobs.begin () + i); + + for (vsize i = 0; i < footnote_grobs.size (); i++) + { + SCM footnote_markup = footnote_grobs[i]->get_property ("footnote-text"); + + if (!Text_interface::is_markup (footnote_markup)) + continue; + + SCM props = + Lily::layout_extract_page_properties (pscore_->layout ()->self_scm ()); + + SCM footnote_stl = Text_interface::interpret_markup (pscore_->layout ()->self_scm (), + props, footnote_markup); + + Stencil *footnote_stencil = unsmob (footnote_stl); + out.push_back (footnote_stencil->extent (Y_AXIS).length ()); + } + + return out; +} + +vsize +System::num_footnotes () +{ + extract_grob_set (this, "footnotes-after-line-breaking", footnote_grobs); + return footnote_grobs.size (); +} + +bool +grob_2D_less (Grob *g1, Grob *g2) +{ + int sri[] = {0, 0}; + Grob *gs[] = {g1, g2}; + + for (int i = 0; i < 2; i++) + { + sri[i] = gs[i]->spanned_rank_interval ()[LEFT]; + if (Spanner *s = dynamic_cast (gs[i])) + { + if (s->broken_intos_.size ()) + s = (scm_to_int (s->broken_intos_[0]->get_property ("spanner-placement")) == LEFT + ? s->broken_intos_[0] + : s->broken_intos_.back ()); + gs[i] = s; + if (robust_scm2double (s->get_property ("X-offset"), 0.0) > 0) + sri[i] = s->spanned_rank_interval ()[RIGHT]; + } + } + + if (sri[0] == sri[1]) + return Grob::vertical_less (gs[0], gs[1]); + + return sri[0] < sri[1]; +} + +MAKE_SCHEME_CALLBACK (System, footnotes_before_line_breaking, 1); +SCM +System::footnotes_before_line_breaking (SCM smob) +{ + Grob *me = unsmob (smob); + vector footnotes; + SCM grobs_scm = Grob_array::make_array (); + extract_grob_set (me, "all-elements", elts); + for (vsize i = 0; i < elts.size (); i++) + if (elts[i]->internal_has_interface (ly_symbol2scm ("footnote-interface"))) + footnotes.push_back (elts[i]); + + unsmob (grobs_scm)->set_array (footnotes); + return grobs_scm; +} + +MAKE_SCHEME_CALLBACK (System, footnotes_after_line_breaking, 1); +SCM +System::footnotes_after_line_breaking (SCM smob) +{ + Spanner *sys_span = unsmob (smob); + System *sys = dynamic_cast (sys_span); + Interval_t sri = sys->spanned_rank_interval (); + vector footnote_grobs = sys->get_footnote_grobs_in_range (sri[LEFT], sri[RIGHT]); + vector_sort (footnote_grobs, grob_2D_less); + + SCM grobs_scm = Grob_array::make_array (); + unsmob (grobs_scm)->set_array (footnote_grobs); + return grobs_scm; +} + +MAKE_SCHEME_CALLBACK (System, vertical_skyline_elements, 1); +SCM +System::vertical_skyline_elements (SCM smob) +{ + Grob *me_grob = unsmob (smob); + vector vertical_skyline_grobs; + extract_grob_set (me_grob, "elements", my_elts); + for (vsize i = 0; i < my_elts.size (); i++) + if (has_interface (my_elts[i])) + vertical_skyline_grobs.push_back (my_elts[i]); + + System *me = dynamic_cast (me_grob); + Grob *align = unsmob (me->get_object ("vertical-alignment")); + if (!align) + { + SCM grobs_scm = Grob_array::make_array (); + unsmob (grobs_scm)->set_array (vertical_skyline_grobs); + return grobs_scm; + } + + extract_grob_set (align, "elements", elts); + + for (vsize i = 0; i < elts.size (); i++) + if (has_interface (elts[i])) + vertical_skyline_grobs.push_back (elts[i]); + + SCM grobs_scm = Grob_array::make_array (); + unsmob (grobs_scm)->set_array (vertical_skyline_grobs); + return grobs_scm; +} + void System::break_into_pieces (vector const &breaking) { @@ -239,26 +443,26 @@ System::break_into_pieces (vector const &breaking) int st = Paper_column::get_rank (c[0]); int end = Paper_column::get_rank (c.back ()); - Interval iv (pure_height (this, st, end)); + Interval iv (pure_y_extent (this, st, end)); system->set_property ("pure-Y-extent", ly_interval2scm (iv)); system->set_bound (LEFT, c[0]); system->set_bound (RIGHT, c.back ()); SCM system_labels = SCM_EOL; for (vsize j = 0; j < c.size (); j++) - { - c[j]->translate_axis (breaking[i].config_[j], X_AXIS); - dynamic_cast (c[j])->set_system (system); - /* collect the column labels */ - collect_labels (c[j], &system_labels); - } + { + c[j]->translate_axis (breaking[i].config_[j], X_AXIS); + dynamic_cast (c[j])->set_system (system); + /* collect the column labels */ + collect_labels (c[j], &system_labels); + } /* - Collect labels from any loose columns too: theses will be set on - an empty bar line or a column which is otherwise unused mid-line + Collect labels from any loose columns too: theses will be set on + an empty bar line or a column which is otherwise unused mid-line */ vector loose (breaking[i].loose_cols_); for (vsize j = 0; j < loose.size (); j++) - collect_labels (loose[j], &system_labels); + collect_labels (loose[j], &system_labels); system->set_property ("labels", system_labels); @@ -279,12 +483,12 @@ void System::add_column (Paper_column *p) { Grob *me = this; - Grob_array *ga = unsmob_grob_array (me->get_object ("columns")); + Grob_array *ga = unsmob (me->get_object ("columns")); if (!ga) { SCM scm_ga = Grob_array::make_array (); me->set_object ("columns", scm_ga); - ga = unsmob_grob_array (scm_ga); + ga = unsmob (scm_ga); } p->set_rank (ga->size ()); @@ -299,8 +503,7 @@ System::pre_processing () for (vsize i = 0; i < all_elements_->size (); i++) all_elements_->grob (i)->discretionary_processing (); - if (be_verbose_global) - message (_f ("Grob count %d", element_count ())); + debug_output (_f ("Grob count %d", element_count ())); /* order is significant: broken grobs are added to the end of the @@ -339,9 +542,8 @@ System::post_processing () anyway. */ vector all_elts_sorted (all_elements_->array ()); - vector_sort (all_elts_sorted, std::less ()); - uniq (all_elts_sorted); - this->get_stencil (); + uniquify (all_elts_sorted); + get_stencil (); for (vsize i = all_elts_sorted.size (); i--;) { Grob *g = all_elts_sorted[i]; @@ -356,8 +558,8 @@ struct Layer_entry }; bool -operator< (Layer_entry const &a, - Layer_entry const &b) +operator < (Layer_entry const &a, + Layer_entry const &b) { return a.layer_ < b.layer_; } @@ -386,19 +588,19 @@ System::get_paper_system () Grob *g = entries[j].grob_; Stencil st = g->get_print_stencil (); - if (st.expr () == SCM_EOL) - continue; + if (scm_is_null (st.expr ())) + continue; Offset o; for (int a = X_AXIS; a < NO_AXES; a++) - o[Axis (a)] = g->relative_coordinate (this, Axis (a)); + o[Axis (a)] = g->relative_coordinate (this, Axis (a)); Offset extra = robust_scm2offset (g->get_property ("extra-offset"), - Offset (0, 0)) - * Staff_symbol_referencer::staff_space (g); + Offset (0, 0)) + * Staff_symbol_referencer::staff_space (g); /* Must copy the stencil, for we cannot change the stencil - cached in G. */ + cached in G. */ st.translate (o + extra); @@ -412,48 +614,51 @@ System::get_paper_system () Interval x (extent (this, X_AXIS)); Interval y (extent (this, Y_AXIS)); Stencil sys_stencil (Box (x, y), - scm_cons (ly_symbol2scm ("combine-stencil"), - exprs)); + scm_cons (ly_symbol2scm ("combine-stencil"), + exprs)); if (debug_skylines) { - Skyline_pair *skylines = Skyline_pair::unsmob (get_property ("vertical-skylines")); + Skyline_pair *skylines = unsmob (get_property ("vertical-skylines")); if (skylines) - { - Stencil up - = Lookup::points_to_line_stencil (0.1, (*skylines)[UP].to_points (X_AXIS)); - Stencil down - = Lookup::points_to_line_stencil (0.1, (*skylines)[DOWN].to_points (X_AXIS)); - sys_stencil.add_stencil (up.in_color (255, 0, 0)); - sys_stencil.add_stencil (down.in_color (0, 255, 0)); - } + { + Stencil up + = Lookup::points_to_line_stencil (0.1, (*skylines)[UP].to_points (X_AXIS)); + Stencil down + = Lookup::points_to_line_stencil (0.1, (*skylines)[DOWN].to_points (X_AXIS)); + sys_stencil.add_stencil (up.in_color (255, 0, 0)); + sys_stencil.add_stencil (down.in_color (0, 255, 0)); + } } - Grob *left_bound = this->get_bound (LEFT); + Grob *left_bound = get_bound (LEFT); SCM prop_init = left_bound->get_property ("line-break-system-details"); Prob *pl = make_paper_system (prop_init); paper_system_set_stencil (pl, sys_stencil); /* information that the page breaker might need */ - Grob *right_bound = this->get_bound (RIGHT); - pl->set_property ("vertical-skylines", this->get_property ("vertical-skylines")); + Grob *right_bound = get_bound (RIGHT); + pl->set_property ("vertical-skylines", get_property ("vertical-skylines")); pl->set_property ("page-break-permission", right_bound->get_property ("page-break-permission")); pl->set_property ("page-turn-permission", right_bound->get_property ("page-turn-permission")); pl->set_property ("page-break-penalty", right_bound->get_property ("page-break-penalty")); pl->set_property ("page-turn-penalty", right_bound->get_property ("page-turn-penalty")); + if (right_bound->original () == dynamic_cast (original ())->get_bound (RIGHT)) + pl->set_property ("last-in-score", SCM_BOOL_T); + Interval staff_refpoints; - if (Grob *align = get_vertical_alignment ()) + if (Grob *align = unsmob (get_object ("vertical-alignment"))) { extract_grob_set (align, "elements", staves); for (vsize i = 0; i < staves.size (); i++) - if (staves[i]->is_live () - && Page_layout_problem::is_spaceable (staves[i])) - staff_refpoints.add_point (staves[i]->relative_coordinate (this, - Y_AXIS)); + if (staves[i]->is_live () + && Page_layout_problem::is_spaceable (staves[i])) + staff_refpoints.add_point (staves[i]->relative_coordinate (this, + Y_AXIS)); } pl->set_property ("staff-refpoint-extent", ly_interval2scm (staff_refpoints)); - pl->set_property ("system-grob", this->self_scm ()); + pl->set_property ("system-grob", self_scm ()); return pl->unprotect (); } @@ -474,11 +679,11 @@ System::broken_col_range (Item const *left, Item const *right) const i++; while (i < cols.size () - && Paper_column::get_rank (cols[i]) < end_rank) + && Paper_column::get_rank (cols[i]) < end_rank) { Paper_column *c = dynamic_cast (cols[i]); if (Paper_column::is_breakable (c) && !c->get_system ()) - ret.push_back (c); + ret.push_back (c); i++; } @@ -497,14 +702,14 @@ System::used_columns () const while (last_breakable--) { if (Paper_column::is_breakable (ro_columns [last_breakable])) - break; + break; } vector columns; for (int i = 0; i <= last_breakable; i++) { if (Paper_column::is_used (ro_columns[i])) - columns.push_back (ro_columns[i]); + columns.push_back (ro_columns[i]); } return columns; @@ -543,22 +748,27 @@ get_root_system (Grob *me) return dynamic_cast (system_grob); } -Grob * -System::get_vertical_alignment () +MAKE_SCHEME_CALLBACK (System, get_vertical_alignment, 1); +SCM +System::get_vertical_alignment (SCM smob) { - extract_grob_set (this, "elements", elts); + Grob *me = unsmob (smob); + extract_grob_set (me, "elements", elts); Grob *ret = 0; for (vsize i = 0; i < elts.size (); i++) - if (Align_interface::has_interface (elts[i])) + if (has_interface (elts[i])) { - if (ret) - programming_error ("found multiple vertical alignments in this system"); - ret = elts[i]; + if (ret) + me->programming_error ("found multiple vertical alignments in this system"); + ret = elts[i]; } if (!ret) - programming_error ("didn't find a vertical alignment in this system"); - return ret; + { + me->programming_error ("didn't find a vertical alignment in this system"); + return SCM_EOL; + } + return ret->self_scm (); } // Finds the furthest staff in the given direction whose x-extent @@ -566,7 +776,7 @@ System::get_vertical_alignment () Grob * System::get_extremal_staff (Direction dir, Interval const &iv) { - Grob *align = get_vertical_alignment (); + Grob *align = unsmob (get_object ("vertical-alignment")); if (!align) return 0; @@ -575,14 +785,44 @@ System::get_extremal_staff (Direction dir, Interval const &iv) vsize end = (dir == UP) ? elts.size () : VPOS; for (vsize i = start; i != end; i += dir) { - if (Hara_kiri_group_spanner::has_interface (elts[i])) - Hara_kiri_group_spanner::consider_suicide (elts[i]); + if (has_interface (elts[i])) + Hara_kiri_group_spanner::consider_suicide (elts[i]); Interval intersection = elts[i]->extent (this, X_AXIS); intersection.intersect (iv); if (elts[i]->is_live () && !intersection.is_empty ()) - return elts[i]; + return elts[i]; + } + return 0; +} + +// Finds the neighboring staff in the given direction over bounds +Grob * +System::get_neighboring_staff (Direction dir, Grob *vertical_axis_group, Interval_t bounds) +{ + Grob *align = unsmob (get_object ("vertical-alignment")); + if (!align) + return 0; + + extract_grob_set (align, "elements", elts); + vsize start = (dir == UP) ? 0 : elts.size () - 1; + vsize end = (dir == UP) ? elts.size () : VPOS; + + Grob *out = 0; + + for (vsize i = start; i != end; i += dir) + { + if (elts[i] == vertical_axis_group) + return out; + + if (has_interface (elts[i])) + Hara_kiri_group_spanner::consider_suicide (elts[i]); + + bounds.intersect (elts[i]->spanned_rank_interval ()); + if (elts[i]->is_live () && !bounds.is_empty ()) + out = elts[i]; } + return 0; } @@ -590,7 +830,7 @@ Interval System::pure_refpoint_extent (vsize start, vsize end) { Interval ret; - Grob *alignment = get_vertical_alignment (); + Grob *alignment = unsmob (get_object ("vertical-alignment")); if (!alignment) return Interval (); @@ -600,15 +840,15 @@ System::pure_refpoint_extent (vsize start, vsize end) for (vsize i = 0; i < offsets.size (); ++i) if (Page_layout_problem::is_spaceable (staves[i])) { - ret[UP] = offsets[i]; - break; + ret[UP] = offsets[i]; + break; } for (vsize i = offsets.size (); i--;) if (Page_layout_problem::is_spaceable (staves[i])) { - ret[DOWN] = offsets[i]; - break; + ret[DOWN] = offsets[i]; + break; } return ret; @@ -617,7 +857,7 @@ System::pure_refpoint_extent (vsize start, vsize end) Interval System::part_of_line_pure_height (vsize start, vsize end, bool begin) { - Grob *alignment = get_vertical_alignment (); + Grob *alignment = unsmob (get_object ("vertical-alignment")); if (!alignment) return Interval (); @@ -628,16 +868,16 @@ System::part_of_line_pure_height (vsize start, vsize end, bool begin) for (vsize i = 0; i < staves.size (); ++i) { Interval iv = begin - ? Axis_group_interface::begin_of_line_pure_height (staves[i], start) - : Axis_group_interface::rest_of_line_pure_height (staves[i], start, end); + ? Axis_group_interface::begin_of_line_pure_height (staves[i], start) + : Axis_group_interface::rest_of_line_pure_height (staves[i], start, end); if (i < offsets.size ()) - iv.translate (offsets[i]); + iv.translate (offsets[i]); ret.unite (iv); } Interval other_elements = begin - ? Axis_group_interface::begin_of_line_pure_height (this, start) - : Axis_group_interface::rest_of_line_pure_height (this, start, end); + ? Axis_group_interface::begin_of_line_pure_height (this, start) + : Axis_group_interface::rest_of_line_pure_height (this, start, end); ret.unite (other_elements); @@ -663,36 +903,32 @@ MAKE_SCHEME_CALLBACK (System, calc_pure_relevant_grobs, 1); SCM System::calc_pure_relevant_grobs (SCM smob) { - Grob *me = unsmob_grob (smob); + Grob *me = unsmob (smob); extract_grob_set (me, "elements", elts); vector relevant_grobs; - SCM pure_relevant_p = ly_lily_module_constant ("pure-relevant?"); for (vsize i = 0; i < elts.size (); ++i) { - if (!Axis_group_interface::has_interface (elts[i])) - { - if (to_boolean (scm_apply_1 (pure_relevant_p, elts[i]->self_scm (), SCM_EOL))) - relevant_grobs.push_back (elts[i]); - - if (Item *it = dynamic_cast (elts[i])) - { - Direction d = LEFT; - do - { - Item *piece = it->find_prebroken_piece (d); - if (piece && to_boolean (scm_apply_1 (pure_relevant_p, piece->self_scm (), SCM_EOL))) - relevant_grobs.push_back (piece); - } - while (flip (&d) != LEFT); - } - } + if (!has_interface (elts[i])) + { + relevant_grobs.push_back (elts[i]); + + if (Item *it = dynamic_cast (elts[i])) + { + for (LEFT_and_RIGHT (d)) + { + Item *piece = it->find_prebroken_piece (d); + if (piece && piece->is_live ()) + relevant_grobs.push_back (piece); + } + } + } } SCM grobs_scm = Grob_array::make_array (); - unsmob_grob_array (grobs_scm)->set_array (relevant_grobs); + unsmob (grobs_scm)->set_array (relevant_grobs); return grobs_scm; } @@ -707,7 +943,7 @@ MAKE_SCHEME_CALLBACK (System, calc_pure_height, 3); SCM System::calc_pure_height (SCM smob, SCM start_scm, SCM end_scm) { - System *me = dynamic_cast (unsmob_grob (smob)); + System *me = unsmob (smob); int start = scm_to_int (start_scm); int end = scm_to_int (end_scm); @@ -718,16 +954,16 @@ System::calc_pure_height (SCM smob, SCM start_scm, SCM end_scm) return ly_interval2scm (begin); } -Grob* +Grob * System::get_pure_bound (Direction d, int start, int end) { vector ranks = pscore_->get_break_ranks (); vector indices = pscore_->get_break_indices (); - vector cols = pscore_->get_columns (); + vector cols = pscore_->get_columns (); vsize target_rank = (d == LEFT ? start : end); - vector::const_iterator i = - lower_bound (ranks.begin (), ranks.end (), target_rank, std::less ()); + vector::const_iterator i + = lower_bound (ranks.begin (), ranks.end (), target_rank, std::less ()); if (i != ranks.end () && (*i) == target_rank) return cols[indices[i - ranks.begin ()]]; @@ -735,21 +971,84 @@ System::get_pure_bound (Direction d, int start, int end) return 0; } -Grob* +Grob * System::get_maybe_pure_bound (Direction d, bool pure, int start, int end) { return pure ? get_pure_bound (d, start, end) : get_bound (d); } +enum +{ + SPACEABLE_STAVES, + NONSPACEABLE_STAVES, + ALL_STAVES +}; + +static SCM +get_maybe_spaceable_staves (SCM smob, int filter) +{ + System *me = unsmob (smob); + Grob *align = unsmob (me->get_object ("vertical_alignment")); + SCM ret = SCM_EOL; + + if (align) + { + SCM *tail = &ret; + extract_grob_set (align, "elements", staves); + + for (vsize i = 0; i < staves.size (); ++i) + { + bool spaceable = Page_layout_problem::is_spaceable (staves[i]); + if (staves[i]->is_live () + && ((filter == ALL_STAVES) + || (filter == SPACEABLE_STAVES && spaceable) + || (filter == NONSPACEABLE_STAVES && !spaceable))) + { + *tail = scm_cons (staves[i]->self_scm (), SCM_EOL); + tail = SCM_CDRLOC (*tail); + } + } + } + + return ret; +} + +MAKE_SCHEME_CALLBACK (System, get_staves, 1) +SCM +System::get_staves (SCM smob) +{ + return get_maybe_spaceable_staves (smob, ALL_STAVES); +} + +MAKE_SCHEME_CALLBACK (System, get_spaceable_staves, 1) +SCM +System::get_spaceable_staves (SCM smob) +{ + return get_maybe_spaceable_staves (smob, SPACEABLE_STAVES); +} + +MAKE_SCHEME_CALLBACK (System, get_nonspaceable_staves, 1) +SCM +System::get_nonspaceable_staves (SCM smob) +{ + return get_maybe_spaceable_staves (smob, NONSPACEABLE_STAVES); +} + ADD_INTERFACE (System, - "This is the top-level object: Each object in a score" - " ultimately has a @code{System} object as its X and" - " Y@tie{}parent.", - - /* properties */ - "all-elements " - "columns " - "labels " - "pure-Y-extent " - "skyline-horizontal-padding " - ); + "This is the top-level object: Each object in a score" + " ultimately has a @code{System} object as its X and" + " Y@tie{}parent.", + + /* properties */ + "all-elements " + "columns " + "footnote-stencil " + "footnotes-before-line-breaking " + "footnotes-after-line-breaking " + "in-note-direction " + "in-note-padding " + "in-note-stencil " + "labels " + "pure-Y-extent " + "vertical-alignment " + );