source file of the GNU LilyPond music typesetter
- (c) 1998--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "dimension-cache.hh"
+
#include "engraver.hh"
-#include "staff-side.hh"
-#include "text-item.hh"
+#include "side-position-interface.hh"
+#include "item.hh"
#include "musical-request.hh"
-#include "note-head.hh"
#include "stem.hh"
-#include "staff-symbol.hh"
+#include "rhythmic-head.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<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 do_process_music ();
virtual void acknowledge_element (Score_element_info);
};
-Text_engraver::Text_engraver ()
-{
-
-}
-
bool
Text_engraver::do_try_music (Music *m)
{
return false;
}
-
void
-Text_engraver::acknowledge_element (Score_element_info i)
+Text_engraver::acknowledge_element (Score_element_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);
- if (positionings_[i]->axis_ == X_AXIS
- && !positionings_[i]->parent_l (Y_AXIS))
- positionings_[i]->set_parent (n, Y_AXIS);
+ Score_element*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::do_process_music ()
{
for (int i=0; i < reqs_.size (); i++)
{
Text_script_req * r = reqs_[i];
+
+ // URG: Text vs TextScript
+ String basic = "TextScript";
- Text_item *text = new Text_item;
- Staff_side_item *ss = new Staff_side_item;
-
-
-
- SCM axisprop = get_property ("scriptHorizontal",0);
- if (gh_boolean_p (axisprop) && gh_scm2bool (axisprop))
+#if 0
+ // maybe use some sort of TYPE for script/dynamic/finger?
+
+ // separate engraver?
+ if (r->style_str_== "finger")
{
- ss->axis_ = X_AXIS;
- text->set_parent (ss, Y_AXIS);
-
+ basic = "Fingering";
}
- ss->set_victim (text);
- ss->set_elt_property ("script-priority",
- gh_int2scm (200));
+#endif
+ Item *text = new Item (get_property (basic.ch_C ()));
- ss->set_direction (r->get_direction ());
-
- text->text_str_ = r->text_str_;
-
- if (r->style_str_.length_i ())
- text->set_elt_property ("style", ly_str02scm (r->style_str_.ch_C()));
+ /*
+ FIXME -> need to use basic props.
+ */
+ SCM axisprop = get_property ("scriptHorizontal");
- SCM empty = get_property ("textEmptyDimension", 0);
- if (gh_boolean_p (empty) && gh_scm2bool (empty))
+ 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)
{
- text->set_empty (true, X_AXIS);
+ /*
+ 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_elt_property ("script-priority",
+ gh_int2scm (200 + i));
+
+ if (r->get_direction ())
+ Side_position::set_direction (text, r->get_direction ());
+
+ text->set_elt_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_elt_property ("no-spacing-rods" , SCM_BOOL_F);
+
+ announce_element (text, r);
texts_.push (text);
- positionings_.push (ss);
}
}
{
for (int i=0; i < texts_.size (); i++)
{
- typeset_element (texts_[i]);
- typeset_element (positionings_[i]);
+ Item *ti = texts_[i];
+ Side_position::add_staff_support (ti);
+ typeset_element (ti);
}
texts_.clear ();
- positionings_.clear ();
}
void