source file of the GNU LilyPond music typesetter
- (c) 1998--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+
#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 "musical-request.hh"
#include "stem.hh"
-#include "staff-sym.hh"
+#include "rhythmic-head.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<Text_script_req> reqs_;
+ Link_array<Item> texts_;
public:
- Text_engraver();
VIRTUAL_COPY_CONS(Translator);
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 start_translation_timestep ();
+ virtual void create_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 (dynamic_cast<Text_script_req*> (m)
+ && m->get_mus_property ("text-type") != ly_symbol2scm ("dynamic"))
{
- Text_def * t = dynamic_cast<Text_def*> (r->scriptdef_p_);
- if (!t)
- return false;
- reqs_.push (r);
+ reqs_.push (dynamic_cast<Text_script_req*> (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.elem_l_))
{
- 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::add_support (t,inf.elem_l_);
+
+ /*
+ ugh.
+ */
+ if (Side_position::get_axis( t) == X_AXIS
+ && !t->parent_l (Y_AXIS))
+ t->set_parent (inf.elem_l_, Y_AXIS);
+ else if (Side_position::get_axis(t) == Y_AXIS
+ && !t->parent_l (X_AXIS))
+ t->set_parent (inf.elem_l_, X_AXIS);
}
}
- if (Stem *n = dynamic_cast<Stem*> (i.elem_l_))
+
+ if (Stem::has_interface (inf.elem_l_))
{
- for (int i=0; i < positionings_.size (); i++)
+ for (int i=0; i < texts_.size (); i++)
{
- positionings_[i]->add_support (n);
+ Side_position::add_support(texts_[i],inf.elem_l_);
}
}
}
void
-Text_engraver::do_process_requests ()
+Text_engraver::create_grobs ()
{
+ if (texts_.size ())
+ return;
for (int i=0; i < reqs_.size (); i++)
{
- Script_req * r = reqs_[i];
- Text_def * t= dynamic_cast<Text_def*> (r->scriptdef_p_);
-
- G_text_item *text = new G_text_item;
- G_staff_side_item *ss = new G_staff_side_item;
- 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_;
-
- Scalar padding = get_property ("textScriptPadding", 0);
- if (padding.length_i() && padding.isnum_b ())
+ Text_script_req * r = reqs_[i];
+
+ // URG: Text vs TextScript
+ String basic = "TextScript";
+
+ if (r->get_mus_property ("text-type") == ly_symbol2scm ("finger"))
+ {
+ basic = "Fingering";
+ }
+
+ Item *text = new Item (get_property (basic.ch_C ()));
+
+ /*
+ FIXME -> need to use basic props.
+ */
+ SCM axisprop = get_property ("scriptHorizontal");
+
+ Axis ax = to_boolean (axisprop) ? X_AXIS : Y_AXIS;
+ Side_position::set_axis (text, ax);
+
+#if 0
+ if (r->style_str_ == "finger" && ax == Y_AXIS)
{
- ss->padding_f_ = Real(padding);
+ /*
+ nicely center the scripts.
+ */
+ text->add_offset_callback (Side_position::aligned_on_self_proc, X_AXIS);
+ text->add_offset_callback (Side_position::centered_on_parent_proc, X_AXIS);
}
+#endif
+
- announce_element (Score_element_info (text, r));
- announce_element (Score_element_info (ss, r));
+
+ /*
+ make sure they're in order by adding i to the priority field.
+ */
+ text->set_grob_property ("script-priority",
+ gh_int2scm (200 + i));
+ if (r->get_direction ())
+ Side_position::set_direction (text, r->get_direction ());
+
+ text->set_grob_property ("text", r->get_mus_property ("text"));
+
+ SCM nonempty = get_property ("textNonEmpty");
+ if (to_boolean (nonempty))
+ /*
+ empty text: signal that no rods should be applied.
+ */
+ text->set_grob_property ("no-spacing-rods" , SCM_BOOL_F);
+
+ announce_grob (text, r);
texts_.push (text);
- positionings_.push (ss);
}
}
void
-Text_engraver::do_pre_move_processing ()
+Text_engraver::stop_translation_timestep ()
{
- Staff_symbol* s_l = get_staff_info().staff_sym_l_;
for (int i=0; i < texts_.size (); i++)
{
- if (s_l != 0)
- {
- positionings_[i]->add_support (s_l);
- }
-
- typeset_element (texts_[i]);
- typeset_element (positionings_[i]);
+ Item *ti = texts_[i];
+ Side_position::add_staff_support (ti);
+ typeset_grob (ti);
}
texts_.clear ();
- positionings_.clear ();
}
void
-Text_engraver::do_post_move_processing ()
+Text_engraver::start_translation_timestep ()
{
reqs_.clear ();
}
ADD_THIS_TRANSLATOR(Text_engraver);
+
projects / lilypond.git / blobdiff