-/*
- text-engraver.cc -- implement Text_engraver
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1998--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+ Copyright (C) 1998--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ 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 <http://www.gnu.org/licenses/>.
+*/
+
+#include "directional-element-interface.hh"
#include "engraver.hh"
-#include "side-position-interface.hh"
#include "item.hh"
-#include "musical-request.hh"
-#include "stem.hh"
-#include "rhythmic-head.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<Text_script_req> reqs_;
- Link_array<Item> texts_;
+ vector<Stream_event *> evs_;
+ vector<Grob *> scripts_;
public:
- 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_music ();
- virtual void acknowledge_element (Score_element_info);
-};
+ void stop_translation_timestep ();
+ void process_music ();
+ DECLARE_ACKNOWLEDGER (note_column);
+ DECLARE_TRANSLATOR_LISTENER (text_script);
+};
-bool
-Text_engraver::do_try_music (Music *m)
+IMPLEMENT_TRANSLATOR_LISTENER (Text_engraver, text_script);
+void
+Text_engraver::listen_text_script (Stream_event *ev)
{
- if (Text_script_req *r = dynamic_cast<Text_script_req*> (m))
- {
- reqs_.push (r);
- return true;
- }
- return false;
+ evs_.push_back (ev);
}
-
void
-Text_engraver::acknowledge_element (Score_element_info inf)
+Text_engraver::process_music ()
{
- if (Rhythmic_head::has_interface (inf.elem_l_))
- {
- for (int i=0; i < texts_.size (); i++)
- {
- Score_element*t = texts_[i];
- Side_position::add_support (t,inf.elem_l_);
- if (Side_position::get_axis( t) == X_AXIS
- && !t->parent_l (Y_AXIS))
- t->set_parent (inf.elem_l_, Y_AXIS);
- }
- }
- if (Stem::has_interface (inf.elem_l_))
+ for (vsize i = 0; i < evs_.size (); i++)
{
- for (int i=0; i < texts_.size (); i++)
- {
- Side_position::add_support(texts_[i],inf.elem_l_);
- }
+ Stream_event *ev = evs_[i];
+
+ Item *script = make_item ("TextScript", ev->self_scm ());
+ scripts_.push_back (script);
+
+ 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_music ()
+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++)
{
- Text_script_req * r = reqs_[i];
-
- Item *text = new Item (get_property ("basicTextScriptProperties"));
-
-
- SCM axisprop = get_property ("scriptHorizontal");
-
- Side_position::set_axis (text, to_boolean (axisprop) ? X_AXIS : Y_AXIS);
-
- /*
- make sure they're in order by adding i to the priority field.
- */
- text->set_elt_property ("script-priority",
- gh_int2scm (200 + i));
-
- if (r->get_direction ())
- Side_position::set_direction (text, r->get_direction ());
-
- text->set_elt_property ("text",
- ly_str02scm ( r->text_str_.ch_C ()));
-
- if (r->style_str_.length_i ())
- text->set_elt_property ("style", ly_str02scm (r->style_str_.ch_C()));
-
- /*
- Text is empty by default, which means that the only condition
- for not setting 'no-spacing-rods' should be: boolean && true.
-
- Anyway, non-empty text has been broken for some time now.
- */
- SCM nonempty = get_property ("textNonEmpty");
- if (!to_boolean (nonempty))
- /*
- empty text: signal that no rods should be applied.
- */
- text->set_elt_property ("no-spacing-rods" , SCM_BOOL_T);
-
-
- announce_element (text, r);
- texts_.push (text);
+ 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 ()
{
- for (int i=0; i < texts_.size (); i++)
- {
- Item *ti = texts_[i];
- Side_position::add_staff_support (ti);
- typeset_element (ti);
- }
- texts_.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 */
+ ""
+ );
projects / lilypond.git / blobdiff