-/*
- text-engraver.cc -- implement Text_engraver
-
+/*
+ text-engraver.cc -- implement Text_engraver
+
source file of the GNU LilyPond music typesetter
-
- (c) 1998--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+ (c) 1998--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
+#include "directional-element-interface.hh"
#include "engraver.hh"
#include "side-position-interface.hh"
-#include "item.hh"
-#include "musical-request.hh"
#include "stem.hh"
#include "rhythmic-head.hh"
-
+#include "text-interface.hh"
/**
typeset directions that are plain text.
- */
+*/
class Text_engraver : public Engraver
{
- Link_array<Text_script_req> reqs_;
+ Link_array<Music> evs_;
Link_array<Item> texts_;
public:
- VIRTUAL_COPY_CONS(Translator);
+ TRANSLATOR_DECLARATIONS (Text_engraver);
protected:
- 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);
+ virtual bool try_music (Music *m);
+ void stop_translation_timestep ();
+ void process_acknowledged ();
+
+ DECLARE_ACKNOWLEDGER (stem_tremolo);
+ DECLARE_ACKNOWLEDGER (stem);
+ DECLARE_ACKNOWLEDGER (rhythmic_head);
};
bool
Text_engraver::try_music (Music *m)
{
- if (dynamic_cast<Text_script_req*> (m)
- && m->get_mus_property ("text-type") != ly_symbol2scm ("dynamic"))
+ if (m->is_mus_type ("text-script-event"))
{
- reqs_.push (dynamic_cast<Text_script_req*> (m));
+ evs_.push (m);
return true;
}
return false;
}
void
-Text_engraver::acknowledge_grob (Grob_info inf)
+Text_engraver::acknowledge_rhythmic_head (Grob_info inf)
{
- if (Rhythmic_head::has_interface (inf.elem_l_))
+ for (int i = 0; i < texts_.size (); i++)
{
- for (int i=0; i < texts_.size (); i++)
- {
- Grob*t = texts_[i];
- Side_position_interface::add_support (t,inf.elem_l_);
-
- /*
- ugh.
- */
- if (Side_position_interface::get_axis( t) == X_AXIS
- && !t->parent_l (Y_AXIS))
- t->set_parent (inf.elem_l_, Y_AXIS);
- else if (Side_position_interface::get_axis(t) == Y_AXIS
- && !t->parent_l (X_AXIS))
- t->set_parent (inf.elem_l_, X_AXIS);
- }
- }
-
- if (Stem::has_interface (inf.elem_l_))
- {
- for (int i=0; i < texts_.size (); i++)
- {
- Side_position_interface::add_support(texts_[i],inf.elem_l_);
- }
+ 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);
}
}
void
-Text_engraver::create_grobs ()
+Text_engraver::acknowledge_stem (Grob_info inf)
+{
+ for (int i = 0; i < texts_.size (); i++)
+ Side_position_interface::add_support (texts_[i], inf.grob ());
+}
+
+void
+Text_engraver::acknowledge_stem_tremolo (Grob_info info)
+{
+ for (int i = 0; i < texts_.size (); i++)
+ Side_position_interface::add_support (texts_[i], info.grob ());
+}
+
+void
+Text_engraver::process_acknowledged ()
{
if (texts_.size ())
return;
- for (int i=0; i < reqs_.size (); i++)
+ for (int i = 0; i < evs_.size (); i++)
{
- Text_script_req * r = reqs_[i];
-
+ Music *r = evs_[i];
+
// URG: Text vs TextScript
- String basic = "TextScript";
+ Item *text = make_item ("TextScript", r->self_scm ());
- if (r->get_mus_property ("text-type") == ly_symbol2scm ("finger"))
- {
- basic = "Fingering";
- }
+ Axis ax = Y_AXIS;
+ Side_position_interface::set_axis (text, ax);
- Item *text = new Item (get_property (basic.ch_C ()));
+ // Hmm
+ int priority = 200;
+ SCM s = text->get_property ("script-priority");
+ if (scm_is_number (s))
+ priority = scm_to_int (s);
- /*
- 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);
+ /* see script-engraver.cc */
+ priority += i;
-#if 0
- if (r->style_str_ == "finger" && ax == 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);
- }
-#endif
-
-
-
- /*
- 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 ());
-
- 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);
+ text->set_property ("script-priority", scm_from_int (priority));
+
+ Direction dir = to_dir (r->get_property ("direction"));
+ if (dir)
+ set_grob_direction (text, dir);
+
+ SCM mark = r->get_property ("text");
+
+ text->set_property ("text", mark);
texts_.push (text);
}
}
void
Text_engraver::stop_translation_timestep ()
{
- for (int i=0; i < texts_.size (); i++)
- {
- Item *ti = texts_[i];
- Side_position_interface::add_staff_support (ti);
- typeset_grob (ti);
- }
texts_.clear ();
+ evs_.clear ();
}
-void
-Text_engraver::start_translation_timestep ()
+Text_engraver::Text_engraver ()
{
- reqs_.clear ();
}
-ADD_THIS_TRANSLATOR(Text_engraver);
-
+#include "translator.icc"
+
+ADD_ACKNOWLEDGER (Text_engraver, stem);
+ADD_ACKNOWLEDGER (Text_engraver, stem_tremolo);
+ADD_ACKNOWLEDGER (Text_engraver, rhythmic_head);
+ADD_TRANSLATOR (Text_engraver,
+ /* doc */ "Create text-scripts",
+ /* create */ "TextScript",
+ /* accept */ "text-script-event",
+ /* read */ "",
+ /* write */ "");