source file of the GNU LilyPond music typesetter
- (c) 1998--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-
+#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 "side-position-interface.hh"
+#include "item.hh"
+#include "event.hh"
#include "stem.hh"
-#include "staff-symbol.hh"
+#include "rhythmic-head.hh"
+#include "text-item.hh"
+
+/**
+ typeset directions that are plain text.
+ */
class Text_engraver : public Engraver
{
- Link_array<Script_req> reqs_;
- Link_array<G_staff_side_item> positionings_;
- Link_array<G_text_item> texts_;
+ Link_array<Music> evs_;
+ Link_array<Item> 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);
+ virtual bool try_music (Music* m);
+ virtual void stop_translation_timestep ();
+ virtual void process_acknowledged_grobs ();
+ virtual void acknowledge_grob (Grob_info);
};
-Text_engraver::Text_engraver ()
-{
-
-}
-
bool
-Text_engraver::do_try_music (Music *m)
+Text_engraver::try_music (Music *m)
{
- if (Script_req *r = dynamic_cast<Script_req*> (m))
+ if (m->is_mus_type ("text-script-event"))
{
- Text_def * t = dynamic_cast<Text_def*> (r->scriptdef_p_);
- if (!t)
- return false;
- reqs_.push (r);
+ evs_.push (m);
return true;
}
return false;
}
-
void
-Text_engraver::acknowledge_element (Score_element_info i)
+Text_engraver::acknowledge_grob (Grob_info inf)
{
- if (Note_head *n = dynamic_cast<Note_head*> (i.elem_l_))
+ if (Rhythmic_head::has_interface (inf.grob_))
{
- for (int i=0; i < positionings_.size (); i++)
+ for (int i=0; i < texts_.size (); i++)
{
- positionings_[i]->add_support (n);
+ 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 *n = dynamic_cast<Stem*> (i.elem_l_))
+
+ if (Stem::has_interface (inf.grob_))
{
- for (int i=0; i < positionings_.size (); i++)
+ for (int i=0; i < texts_.size (); i++)
{
- positionings_[i]->add_support (n);
+ Side_position_interface::add_support (texts_[i],inf.grob_);
}
}
}
void
-Text_engraver::do_process_requests ()
+Text_engraver::process_acknowledged_grobs ()
{
- for (int i=0; i < reqs_.size (); i++)
+ if (texts_.size ())
+ return;
+ for (int i=0; i < evs_.size (); i++)
{
- Script_req * r = reqs_[i];
- Text_def * t= dynamic_cast<Text_def*> (r->scriptdef_p_);
+ Music * r = evs_[i];
+
+ // URG: Text vs TextScript
+ Item *text = make_item ("TextScript");
- G_text_item *text = new G_text_item;
- G_staff_side_item *ss = new G_staff_side_item;
+
+ Axis ax = Y_AXIS;
+ Side_position_interface::set_axis (text, ax);
- 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_;
+ // Hmm
+ int priority = 200;
+ SCM s = text->get_property ("script-priority");
+ if (gh_number_p (s))
+ priority = gh_scm2int (s);
+
+ /* see script-engraver.cc */
+ priority += i;
+
+ text->set_property ("script-priority", gh_int2scm (priority));
- Scalar padding = get_property ("textScriptPadding", 0);
- if (padding.length_i() && padding.isnum_b ())
- {
- ss->set_elt_property (padding_scm_sym, gh_double2scm(Real(padding)));
- }
+ Direction dir = to_dir (r->get_property ("direction"));
+ if (dir)
+ set_grob_direction (text, dir);
- 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));
+ SCM mark = r->get_property ("text");
+
+ text->set_property ("text", mark);
+ announce_grob (text, r->self_scm ());
texts_.push (text);
- positionings_.push (ss);
}
}
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]);
+ Item *ti = texts_[i];
+ typeset_grob (ti);
}
texts_.clear ();
- positionings_.clear ();
+ evs_.clear ();
}
-void
-Text_engraver::do_post_move_processing ()
+
+Text_engraver::Text_engraver ()
{
- reqs_.clear ();
}
-ADD_THIS_TRANSLATOR(Text_engraver);
+ENTER_DESCRIPTION (Text_engraver,
+/* descr */ "Create text-scripts",
+/* creats*/ "TextScript",
+/* accepts */ "text-script-event",
+/* acks */ "rhythmic-head-interface stem-interface",
+/* reads */ "",
+/* write */ "");