source file of the GNU LilyPond music typesetter
- (c) 1998--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "dimension-cache.hh"
+
#include "engraver.hh"
#include "side-position-interface.hh"
-#include "text-item.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<Text_item> texts_;
+ 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_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);
};
-
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 (dynamic_cast<Text_script_req*> (m)
+ && m->get_mus_property ("text-type") != ly_symbol2scm ("dynamic"))
{
- 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.grob_l_))
{
for (int i=0; i < texts_.size (); i++)
{
- Side_position_interface st (texts_[i]);
- st.add_support (n);
- if (st.get_axis( ) == X_AXIS
- && !texts_[i]->parent_l (Y_AXIS))
- texts_[i]->set_parent (n, Y_AXIS);
+ Grob*t = texts_[i];
+ Side_position_interface::add_support (t,inf.grob_l_);
+
+ /*
+ ugh.
+ */
+ if (Side_position_interface::get_axis (t) == X_AXIS
+ && !t->get_parent (Y_AXIS))
+ t->set_parent (inf.grob_l_, Y_AXIS);
+ else if (Side_position_interface::get_axis (t) == Y_AXIS
+ && !t->get_parent (X_AXIS))
+ t->set_parent (inf.grob_l_, X_AXIS);
}
}
- if (Stem *n = dynamic_cast<Stem*> (i.elem_l_))
+
+ if (Stem::has_interface (inf.grob_l_))
{
for (int i=0; i < texts_.size (); i++)
{
- Side_position_interface st(texts_[i]);
- st.add_support (n);
+ Side_position_interface::add_support (texts_[i],inf.grob_l_);
}
}
}
void
-Text_engraver::do_process_requests ()
+Text_engraver::create_grobs ()
{
+ if (texts_.size ())
+ return;
for (int i=0; i < reqs_.size (); i++)
{
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";
+ }
- Text_item *text = new Text_item;
- Side_position_interface stafy (text);
+ Item *text = new Item (get_property (basic.ch_C ()));
- SCM axisprop = get_property ("scriptHorizontal",0);
- if (to_boolean (axisprop))
+ /*
+ FIXME -> need to use basic props.
+ */
+ SCM axisprop = get_property ("scriptHorizontal");
+
+ Axis ax = to_boolean (axisprop) ? X_AXIS : Y_AXIS;
+ Side_position_interface::set_axis (text, ax);
+
+#if 0
+ if (r->style_str_ == "finger" && ax == Y_AXIS)
{
- stafy.set_axis (X_AXIS);
- // text->set_parent (ss, Y_AXIS);
+ /*
+ nicely center the scripts.
+ */
+ text->add_offset_callback (Side_position_interface::aligned_on_self_proc, X_AXIS);
+ text->add_offset_callback (Side_position_interface::centered_on_parent_proc, X_AXIS);
}
- else
- stafy.set_axis (Y_AXIS);
+#endif
- text->set_elt_property ("script-priority",
- gh_int2scm (200));
- if (r->get_direction ())
- stafy.set_direction (r->get_direction ());
- text->set_elt_property ("text",
- ly_str02scm ( r->text_str_.ch_C ()));
+ /*
+ 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_interface::set_direction (text, r->get_direction ());
- if (r->style_str_.length_i ())
- text->set_elt_property ("style", ly_str02scm (r->style_str_.ch_C()));
+ text->set_grob_property ("text", r->get_mus_property ("text"));
- SCM empty = get_property ("textEmptyDimension", 0);
- if (to_boolean (empty))
- {
- text->set_empty (X_AXIS);
- }
-
- announce_element (Score_element_info (text, r));
+ 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);
}
}
void
-Text_engraver::do_pre_move_processing ()
+Text_engraver::stop_translation_timestep ()
{
for (int i=0; i < texts_.size (); i++)
{
- side_position (texts_[i]).add_staff_support ();
- typeset_element (texts_[i]);
+ Item *ti = texts_[i];
+ if (!to_boolean (get_property ("scriptHorizontal")))
+ Side_position_interface::add_staff_support (ti);
+ typeset_grob (ti);
}
texts_.clear ();
}
void
-Text_engraver::do_post_move_processing ()
+Text_engraver::start_translation_timestep ()
{
reqs_.clear ();
}
-ADD_THIS_TRANSLATOR(Text_engraver);
+Text_engraver::Text_engraver(){}
+
+ENTER_DESCRIPTION(Text_engraver,
+/* descr */ "Create text-scripts",
+/* creats*/ "TextScript",
+/* acks */ "rhythmic-head-interface stem-interface",
+/* reads */ "scriptHorizontal textNonEmpty",
+/* write */ "");