-/*
- text-engraver.cc -- implement Text_engraver
-
+/*
+ text-engraver.cc -- implement Text_engraver
+
source file of the GNU LilyPond music typesetter
-
- (c) 1998--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+ (c) 1998--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
+
+#include "directional-element-interface.hh"
#include "engraver.hh"
-#include "g-staff-side.hh"
-#include "g-text-item.hh"
-#include "musical-request.hh"
-#include "note-head.hh"
+#include "rhythmic-head.hh"
+#include "side-position-interface.hh"
#include "stem.hh"
-#include "staff-symbol.hh"
+#include "stream-event.hh"
+#include "text-interface.hh"
+#include "item.hh"
+#include "translator.icc"
+
+/**
+ typeset directions that are plain text.
+*/
class Text_engraver : public Engraver
{
- Link_array<Text_script_req> reqs_;
- Link_array<G_staff_side_item> positionings_;
- Link_array<G_text_item> texts_;
+ vector<Stream_event *> evs_;
+ vector<Grob*> texts_;
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_acknowledged ();
+
+ 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_acknowledged ()
{
- if (Text_script_req *r = dynamic_cast<Text_script_req*> (m))
+ if (texts_.size ())
+ return;
+ for (vsize i = 0; i < evs_.size (); i++)
{
- reqs_.push (r);
- return true;
- }
- return false;
-}
+ Stream_event *r = evs_[i];
+ // URG: Text vs TextScript
+ Item *text = make_item ("TextScript", r->self_scm ());
-void
-Text_engraver::acknowledge_element (Score_element_info i)
-{
- if (Note_head *n = dynamic_cast<Note_head*> (i.elem_l_))
- {
- for (int i=0; i < positionings_.size (); i++)
- {
- positionings_[i]->add_support (n);
- }
- }
- if (Stem *n = dynamic_cast<Stem*> (i.elem_l_))
- {
- for (int i=0; i < positionings_.size (); i++)
- {
- positionings_[i]->add_support (n);
- }
- }
-}
+ int priority = robust_scm2int (text->get_property ("script-priority"),
+ 200);
-void
-Text_engraver::do_process_requests ()
-{
- for (int i=0; i < reqs_.size (); i++)
- {
- Text_script_req * r = reqs_[i];
-
- G_text_item *text = new G_text_item;
- G_staff_side_item *ss = new G_staff_side_item;
-
- ss->set_victim (text);
- ss->set_elt_property (script_priority_scm_sym,
- gh_int2scm (200));
-
- ss->dir_ = r->dir_;
-
- text->text_str_ = r->text_str_;
-
- if (r->style_str_.empty_b ())
- {
- Scalar p (get_property ("textStyle", 0));
- if (p.length_i ())
- text->style_str_ = p;
- }
- else
- text->style_str_ = r->style_str_;
-
- Scalar padding = get_property ("textScriptPadding", 0);
- if (padding.length_i() && padding.isnum_b ())
- {
- ss->set_elt_property (padding_scm_sym, gh_double2scm(Real(padding)));
- }
-
- Scalar empty = get_property ("textEmptyDimension", 0);
- if (empty.to_bool ())
- {
- text->dim_cache_[X_AXIS]->set_empty (true);
- }
-
- announce_element (Score_element_info (text, r));
- announce_element (Score_element_info (ss, r));
-
- texts_.push (text);
- positionings_.push (ss);
+ /* see script-engraver.cc */
+ priority += i;
+
+ text->set_property ("script-priority", scm_from_int (priority));
+
+ Direction dir = to_dir (r->get_property ("direction"));
+ if (dir)
+ set_grob_direction (text, dir);
+
+ SCM mark = r->get_property ("text");
+
+ text->set_property ("text", mark);
+ texts_.push_back (text);
}
}
void
-Text_engraver::do_pre_move_processing ()
+Text_engraver::stop_translation_timestep ()
{
- for (int i=0; i < texts_.size (); i++)
- {
- typeset_element (texts_[i]);
- typeset_element (positionings_[i]);
- }
texts_.clear ();
- positionings_.clear ();
+ evs_.clear ();
}
-void
-Text_engraver::do_post_move_processing ()
+Text_engraver::Text_engraver ()
{
- reqs_.clear ();
}
-ADD_THIS_TRANSLATOR(Text_engraver);
+ADD_TRANSLATOR (Text_engraver,
+ /* doc */
+ "Create text scripts.",
+
+ /* create */
+ "TextScript ",
+
+ /* read */
+ "",
+
+ /* write */
+ ""
+ );