-/*
- text-engraver.cc -- implement Text_engraver
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1998--2004 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 "event.hh"
-#include "stem.hh"
-#include "rhythmic-head.hh"
-#include "text-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<Music> reqs_;
- Link_array<Item> texts_;
+ vector<Stream_event *> evs_;
+ vector<Grob *> scripts_;
public:
TRANSLATOR_DECLARATIONS (Text_engraver);
protected:
- virtual bool try_music (Music* m);
- virtual void stop_translation_timestep ();
- virtual void process_acknowledged_grobs ();
- virtual void acknowledge_grob (Grob_info);
-};
+ void stop_translation_timestep ();
+ void process_music ();
-bool
-Text_engraver::try_music (Music *m)
-{
- if (m->is_mus_type ("text-script-event"))
- {
- reqs_.push (m);
- return true;
- }
- return false;
-}
+ DECLARE_ACKNOWLEDGER (note_column);
+ DECLARE_TRANSLATOR_LISTENER (text_script);
+};
+IMPLEMENT_TRANSLATOR_LISTENER (Text_engraver, text_script);
void
-Text_engraver::acknowledge_grob (Grob_info inf)
+Text_engraver::listen_text_script (Stream_event *ev)
{
- if (Rhythmic_head::has_interface (inf.grob_))
- {
- for (int i=0; i < texts_.size (); i++)
- {
- Grob*t = texts_[i];
- Side_position_interface::add_support (t,inf.grob_);
-
- /*
- ugh.
- */
- if (Side_position_interface::get_axis (t) == X_AXIS
- && !t->get_parent (Y_AXIS))
- t->set_parent (inf.grob_, Y_AXIS);
- else if (Side_position_interface::get_axis (t) == Y_AXIS
- && !t->get_parent (X_AXIS))
- t->set_parent (inf.grob_, X_AXIS);
- }
- }
-
- if (Stem::has_interface (inf.grob_))
- {
- for (int i=0; i < texts_.size (); i++)
- {
- Side_position_interface::add_support (texts_[i],inf.grob_);
- }
- }
+ evs_.push_back (ev);
}
void
-Text_engraver::process_acknowledged_grobs ()
+Text_engraver::process_music ()
{
- if (texts_.size ())
- return;
- for (int i=0; i < reqs_.size (); i++)
+ for (vsize i = 0; i < evs_.size (); i++)
{
- Music * r = reqs_[i];
-
- // URG: Text vs TextScript
- Item *text = make_item ("TextScript");
-
-
- Axis ax = Y_AXIS;
- Side_position_interface::set_axis (text, ax);
-
- // Hmm
- int priority = 200;
- SCM s = text->get_property ("script-priority");
- if (gh_number_p (s))
- priority = gh_scm2int (s);
-
+ 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;
-
- text->set_property ("script-priority", gh_int2scm (priority));
- Direction dir = to_dir (r->get_property ("direction"));
- if (dir)
- set_grob_direction (text, dir);
+ 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 = r->get_property ("text");
+ SCM mark = ev->get_property ("text");
- text->set_property ("text", mark);
- announce_grob (text, r->self_scm ());
- texts_.push (text);
+ script->set_property ("text", mark);
}
}
void
-Text_engraver::stop_translation_timestep ()
+Text_engraver::acknowledge_note_column (Grob_info info)
{
- for (int i=0; i < texts_.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++)
{
- Item *ti = texts_[i];
- typeset_grob (ti);
+ Grob *el = scripts_[i];
+
+ if (el && !el->get_parent (X_AXIS) && x_parent)
+ el->set_parent (x_parent, X_AXIS);
}
- texts_.clear ();
- reqs_.clear ();
}
+void
+Text_engraver::stop_translation_timestep ()
+{
+ evs_.clear ();
+ scripts_.clear ();
+}
Text_engraver::Text_engraver ()
{
}
-ENTER_DESCRIPTION (Text_engraver,
-/* descr */ "Create text-scripts",
-/* creats*/ "TextScript",
-/* accepts */ "text-script-event",
-/* acks */ "rhythmic-head-interface stem-interface",
-/* reads */ "",
-/* write */ "");
+ADD_ACKNOWLEDGER (Text_engraver, note_column);
+
+ADD_TRANSLATOR (Text_engraver,
+ /* doc */
+ "Create text scripts.",
+
+ /* create */
+ "TextScript ",
+
+ /* read */
+ "",
+
+ /* write */
+ ""
+ );
projects / lilypond.git / blobdiff