source file of the GNU LilyPond music typesetter
- (c) 1998--2000 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 "side-position-interface.hh"
#include "item.hh"
-#include "musical-request.hh"
+#include "event.hh"
#include "stem.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<Music> reqs_;
Link_array<Item> texts_;
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);
+ virtual bool try_music (Music* m);
+ virtual void stop_translation_timestep ();
+ virtual void process_acknowledged_grobs ();
+ virtual void acknowledge_grob (Grob_info);
};
-
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"))
{
- if (r->style_str_ == "dynamic")
- return false;
-
- reqs_.push (r);
+ reqs_.push (m);
return true;
}
return false;
}
-
void
-Text_engraver::acknowledge_element (Score_element_info inf)
+Text_engraver::acknowledge_grob (Grob_info inf)
{
- if (Rhythmic_head::has_interface (inf.elem_l_))
+ if (Rhythmic_head::has_interface (inf.grob_))
{
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);
+ 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.elem_l_))
+
+ if (Stem::has_interface (inf.grob_))
{
for (int i=0; i < texts_.size (); i++)
{
- Side_position::add_support(texts_[i],inf.elem_l_);
+ Side_position_interface::add_support (texts_[i],inf.grob_);
}
}
}
void
-Text_engraver::do_process_music ()
+Text_engraver::process_acknowledged_grobs ()
{
+ if (texts_.size ())
+ return;
for (int i=0; i < reqs_.size (); i++)
{
- Text_script_req * r = reqs_[i];
-
- Item *text = new Item (get_property ("basicTextScriptProperties"));
+ Music * r = reqs_[i];
+ // URG: Text vs TextScript
+ String basic = "TextScript";
- 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));
+ Item *text = new Item (get_property (basic.to_str0 ()));
- if (r->get_direction ())
- Side_position::set_direction (text, r->get_direction ());
- text->set_elt_property ("text",
- ly_str02scm ( r->text_str_.ch_C ()));
+ 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);
- if (r->style_str_.length_i ())
- text->set_elt_property ("style", ly_str02scm (r->style_str_.ch_C()));
+ /* see script-engraver.cc */
+ priority += i;
- /*
- 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);
+ text->set_grob_property ("script-priority", gh_int2scm (priority));
+
+ Direction dir = to_dir (r->get_mus_property ("direction"));
+ if (dir)
+ set_grob_direction (text, dir);
+
+
+ SCM mark = r->get_mus_property ("text");
+
+ text->set_grob_property ("text", mark);
+ announce_grob (text, r->self_scm ());
texts_.push (text);
}
}
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);
+ typeset_grob (ti);
}
texts_.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 */ "");