X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftext-engraver.cc;h=f242fa4db2a9f4412d2630c6a2c593a957036d38;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=f93b9d653f9437fbd047838c35e7d07f961ed89c;hpb=622b379cd71af8dde94f68135a489b2536309e6f;p=lilypond.git diff --git a/lily/text-engraver.cc b/lily/text-engraver.cc index f93b9d653f..f242fa4db2 100644 --- a/lily/text-engraver.cc +++ b/lily/text-engraver.cc @@ -1,122 +1,127 @@ -/* - text-engraver.cc -- implement Text_engraver - - source file of the GNU LilyPond music typesetter - - (c) 1998 Han-Wen Nienhuys - - */ +/* + This file is part of LilyPond, the GNU music typesetter. + Copyright (C) 1998--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 + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + LilyPond is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . +*/ + +#include "directional-element-interface.hh" #include "engraver.hh" -#include "g-staff-side.hh" -#include "g-text-item.hh" -#include "text-def.hh" -#include "note-head.hh" -#include "stem.hh" -#include "staff-sym.hh" +#include "item.hh" +#include "note-column.hh" +#include "pointer-group-interface.hh" +#include "side-position-interface.hh" +#include "stream-event.hh" +#include "text-interface.hh" + +#include "translator.icc" + +/** + typeset directions that are plain text. +*/ class Text_engraver : public Engraver { - Link_array reqs_; - Link_array positionings_; - Link_array texts_; + vector evs_; + vector scripts_; public: - Text_engraver(); - VIRTUAL_COPY_CONS(Translator); + TRANSLATOR_DECLARATIONS (Text_engraver); protected: - virtual bool do_try_music (Music* m); - virtual void do_pre_move_processing (); - virtual void do_post_move_processing (); - virtual void do_process_requests (); - virtual void acknowledge_element (Score_element_info); + void stop_translation_timestep (); + void process_music (); + + DECLARE_ACKNOWLEDGER (note_column); + DECLARE_TRANSLATOR_LISTENER (text_script); }; -Text_engraver::Text_engraver () +IMPLEMENT_TRANSLATOR_LISTENER (Text_engraver, text_script); +void +Text_engraver::listen_text_script (Stream_event *ev) { - + evs_.push_back (ev); } -bool -Text_engraver::do_try_music (Music *m) +void +Text_engraver::process_music () { - if (Script_req *r = dynamic_cast (m)) + for (vsize i = 0; i < evs_.size (); i++) { - Text_def * t = dynamic_cast (r->scriptdef_p_); - if (!t) - return false; - reqs_.push (r); - return true; - } - return false; -} + Stream_event *ev = evs_[i]; + Item *script = make_item ("TextScript", ev->self_scm ()); + scripts_.push_back (script); -void -Text_engraver::acknowledge_element (Score_element_info i) -{ - if (Note_head *n = dynamic_cast (i.elem_l_)) - { - for (int i=0; i < positionings_.size (); i++) - { - positionings_[i]->add_support (n); - } - } - if (Stem *n = dynamic_cast (i.elem_l_)) - { - for (int i=0; i < positionings_.size (); i++) - { - positionings_[i]->add_support (n); - } + int priority = robust_scm2int (script->get_property ("script-priority"), + 200); + + /* see script-engraver.cc */ + priority += i; + + script->set_property ("script-priority", scm_from_int (priority)); + + Direction dir = to_dir (ev->get_property ("direction")); + if (dir) + set_grob_direction (script, dir); + + SCM mark = ev->get_property ("text"); + + script->set_property ("text", mark); } } void -Text_engraver::do_process_requests () +Text_engraver::acknowledge_note_column (Grob_info info) { - for (int i=0; i < reqs_.size (); i++) + // Make note column (or rest, if there are no heads) the parent of the script. + extract_grob_set (info.grob (), "note-heads", heads); + Grob *x_parent = (heads.size () + ? info.grob () + : Grob::unsmob (info.grob ()->get_object ("rest"))); + + for (vsize i = 0; i < scripts_.size (); i++) { - Script_req * r = reqs_[i]; - Text_def * t= dynamic_cast (r->scriptdef_p_); - - G_text_item *text = new G_text_item; - G_staff_side_item *ss = new G_staff_side_item; - ss->set_victim (text); - ss->dir_ = r->dir_; - Scalar p (get_property ("textstyle", 0)); // textStyle? - if (p.length_i ()) - text->style_str_ = p; - text->text_str_ = t->text_str_; - - announce_element (Score_element_info (text, r)); - announce_element (Score_element_info (ss, r)); - - texts_.push (text); - positionings_.push (ss); + Grob *el = scripts_[i]; + + if (el && !el->get_parent (X_AXIS) && x_parent) + el->set_parent (x_parent, X_AXIS); } } void -Text_engraver::do_pre_move_processing () +Text_engraver::stop_translation_timestep () { - Staff_symbol* s_l = get_staff_info().staff_sym_l_; - for (int i=0; i < texts_.size (); i++) - { - if (s_l != 0) - { - positionings_[i]->add_support (s_l); - } - - typeset_element (texts_[i]); - typeset_element (positionings_[i]); - } - texts_.clear (); - positionings_.clear (); + evs_.clear (); + scripts_.clear (); } -void -Text_engraver::do_post_move_processing () +Text_engraver::Text_engraver () { - reqs_.clear (); } -ADD_THIS_TRANSLATOR(Text_engraver); +ADD_ACKNOWLEDGER (Text_engraver, note_column); + +ADD_TRANSLATOR (Text_engraver, + /* doc */ + "Create text scripts.", + + /* create */ + "TextScript ", + + /* read */ + "", + + /* write */ + "" + );