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 "dimension-cache.hh"
-
+#include "directional-element-interface.hh"
#include "engraver.hh"
-#include "staff-side.hh"
-#include "text-item.hh"
-#include "musical-request.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<Text_script_req> reqs_;
- Link_array<Staff_side_item> positionings_;
- Link_array<Text_item> texts_;
+ Link_array<Music> reqs_;
+ 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 (Text_script_req *r = dynamic_cast<Text_script_req*> (m))
+ if (m->is_mus_type ("text-script-event"))
{
- reqs_.push (r);
+ reqs_.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);
- if (positionings_[i]->axis_ == X_AXIS
- && !positionings_[i]->parent_l (Y_AXIS))
- positionings_[i]->set_parent (n, Y_AXIS);
+ 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 ()
{
+ if (texts_.size ())
+ return;
for (int i=0; i < reqs_.size (); i++)
{
- Text_script_req * r = reqs_[i];
-
- Text_item *text = new Text_item;
- Staff_side_item *ss = new Staff_side_item;
-
-
-
- Scalar axisprop = get_property ("scriptHorizontal",0);
- if (axisprop.to_bool ())
- {
- ss->axis_ = X_AXIS;
- text->set_parent (ss, Y_AXIS);
-
- }
- ss->set_victim (text);
- ss->set_elt_property (script_priority_scm_sym,
- gh_int2scm (200));
+ Music * r = reqs_[i];
+
+ // URG: Text vs TextScript
+ String basic = "TextScript";
- ss->dir_ = r->dir_;
+ Item *text = new Item (get_property (basic.to_str0 ()));
- 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_;
+ Axis ax = Y_AXIS;
+ Side_position_interface::set_axis (text, ax);
+
+ // Hmm
+ int priority = 200;
+ SCM s = text->get_grob_property ("script-priority");
+ if (gh_number_p (s))
+ priority = gh_scm2int (s);
- Scalar padding = get_property ("textScriptPadding", 0);
- if (padding.length_i() && padding.isnum_b ())
- {
- ss->set_elt_property (padding_scm_sym, gh_double2scm(Real(padding)));
- }
+ /* see script-engraver.cc */
+ priority += i;
+
+ text->set_grob_property ("script-priority", gh_int2scm (priority));
- Scalar empty = get_property ("textEmptyDimension", 0);
- if (empty.to_bool ())
- {
- text->set_empty (true, X_AXIS);
- }
+ Direction dir = to_dir (r->get_mus_property ("direction"));
+ if (dir)
+ set_grob_direction (text, dir);
- announce_element (Score_element_info (text, r));
- announce_element (Score_element_info (ss, r));
+ SCM mark = r->get_mus_property ("text");
+
+ text->set_grob_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 ();
+ reqs_.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 */ "");
projects / lilypond.git / blobdiff