/*
script-engraver.cc -- implement Script_engraver
- (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-
#include "script.hh"
#include "side-position-interface.hh"
-#include "musical-request.hh"
+#include "event.hh"
#include "stem.hh"
-#include "staff-symbol.hh"
#include "rhythmic-head.hh"
-#include "dimension-cache.hh"
-
#include "engraver.hh"
+#include "note-column.hh"
+#include "translator-group.hh"
-class Script_engraver : public Engraver {
- Link_array<Script> script_p_arr_;
- Link_array<Articulation_req> script_req_l_arr_;
+struct Script_tuple
+{
+ Music *event_;
+ Grob * script_;
+ SCM description_;
+ Script_tuple ()
+ {
+ event_ = 0;
+ script_ = 0;
+ description_ = SCM_EOL;
+ }
+};
+class Script_engraver : public Engraver
+{
+ Array<Script_tuple> scripts_;
public:
- VIRTUAL_COPY_CONS(Translator);
-
- Script_engraver();
+ TRANSLATOR_DECLARATIONS(Script_engraver);
protected:
- virtual bool do_try_music (Music*);
- virtual void do_process_music ();
- virtual void do_pre_move_processing ();
- virtual void do_post_move_processing ();
- virtual void acknowledge_element (Score_element_info);
+ virtual bool try_music (Music*);
+ virtual void initialize ();
+ virtual void stop_translation_timestep ();
+ virtual void start_translation_timestep ();
+ virtual void process_music ();
+ virtual void acknowledge_grob (Grob_info);
};
-
-Script_engraver::Script_engraver()
+void
+Script_engraver::initialize ()
{
- do_post_move_processing();
+ scripts_.clear ();
}
bool
-Script_engraver::do_try_music (Music *r_l)
+Script_engraver::try_music (Music *r)
{
- if (Articulation_req *mr = dynamic_cast <Articulation_req *> (r_l))
+ if (r->is_mus_type ("articulation-event"))
{
- for (int i=0; i < script_req_l_arr_.size(); i++)
- {
- if (script_req_l_arr_[i]->equal_b (mr))
- return true;
- }
- script_req_l_arr_.push (mr);
+ Script_tuple t;
+ t.event_ =r;
+ scripts_.push (t);
return true;
}
return false;
}
void
-Script_engraver::do_process_music()
+copy_property (Grob * g , SCM sym, SCM alist)
{
- for (int i=0; i < script_req_l_arr_.size(); i++)
+ if (g->internal_get_grob_property (sym) == SCM_EOL)
{
- Articulation_req* l=script_req_l_arr_[i];
-
- SCM list = scm_eval (gh_list (ly_symbol2scm ("articulation-to-scriptdef"),
- ly_str02scm (l->articulation_str_.ch_C()),
- SCM_UNDEFINED));
-
- if (list == SCM_BOOL_F)
+ SCM entry = scm_assoc (sym,alist);
+ if (gh_pair_p (entry))
{
- l->warning (_f ("Don't know how to interpret articulation `%s'",
- l->articulation_str_.ch_C ()));
- continue;
+ g->internal_set_grob_property (sym, gh_cdr (entry));
}
- // todo -> use result of articulation-to-scriptdef directly as basic prop list.
- Script *p =new Script (SCM_EOL);
- Side_position_interface stafy (p);
-
-
- list = gh_cdr (list);
- p->set_elt_property ("molecule",
- gh_car (list));
-
- list = gh_cdr(list);
- bool follow_staff = gh_scm2bool (gh_car (list));
- list = gh_cdr(list);
- int relative_stem_dir = gh_scm2int (gh_car (list));
- list = gh_cdr(list);
- int force_dir =gh_scm2int (gh_car (list));
- list = gh_cdr(list);
- SCM priority = gh_car (list);
-
-
- if (relative_stem_dir)
- p->set_elt_property ("side-relative-direction", gh_int2scm (relative_stem_dir));
- else
- stafy.set_direction ((Direction)force_dir);
+ }
+}
- if (l->get_direction ())
- stafy.set_direction (l->get_direction ());
- SCM axisprop = get_property ("scriptHorizontal");
- bool xaxis = to_boolean (axisprop);
- if (xaxis)
- stafy.set_axis (X_AXIS);
- else
- stafy.set_axis (Y_AXIS);
-
- if (!follow_staff && ! xaxis)
- p->set_elt_property ("staff-support", SCM_BOOL_T);
+/*
+ We add the properties, one by one for each Script. We could save a
+ little space by tacking the props onto the Script grob (i.e. make
+ ScriptStaccato , ScriptMarcato, etc. )
+ */
+Grob *make_script_from_event (SCM * descr, Translator_group*tg, Music * event,
+ int index)
+{
+ SCM alist = tg->get_property ("scriptDefinitions");
+ SCM art = scm_assoc (event->get_mus_property ("articulation-type"), alist);
- if (!xaxis && follow_staff)
- stafy.set_quantised (Y_AXIS);
-
- p->set_elt_property ("script-priority", priority);
-
- script_p_arr_.push (p);
-
- announce_element (Score_element_info (p, l));
+ if (art == SCM_BOOL_F)
+ {
+ String a = ly_scm2string (event->get_mus_property ("articulation-type"));
+ event->origin ()->warning (_f ("Don't know how to interpret articulation `%s'", a.to_str0 ()));
+ return 0 ;
}
+
+ art = gh_cdr (art);
+
+ Grob *p =new Item (tg->get_property ("Script"));
+ *descr = art;
+
+ SCM force_dir = event->get_mus_property ("direction");
+ if (is_direction (force_dir) && to_dir (force_dir))
+ p->set_grob_property ("direction", force_dir);
+
+ copy_property (p, ly_symbol2scm ("script-molecule"), art);
+ copy_property (p, ly_symbol2scm ("direction"), art);
+ copy_property (p, ly_symbol2scm ("side-relative-direction"), art);
+
+ int prio =0;
+ SCM sprio = scm_assoc (ly_symbol2scm ("script-priority"), art);
+ if (gh_pair_p (sprio))
+ prio = gh_scm2int (gh_cdr (sprio));
+
+
+ /*
+ Make sure they're in order of user input by adding index i.
+ Don't use the direction in this priority. Smaller means closer
+ to the head.
+ */
+ prio += index;
+
+ Side_position_interface::set_axis (p, Y_AXIS);
+ p->set_grob_property ("script-priority", gh_int2scm (prio));
+ return p;
}
void
-Script_engraver::acknowledge_element (Score_element_info inf)
+Script_engraver::process_music ()
{
- bool them_grace = to_boolean (inf.elem_l_->get_elt_property ("grace"));
- bool us_grace = to_boolean (get_property ("weAreGraceContext"));
+ for (int i=0; i < scripts_.size (); i++)
+ {
+ Music* l=scripts_[i].event_;
+
+ Grob * p = make_script_from_event (&scripts_[i].description_, daddy_trans_, l, i);
+
+ scripts_[i].script_ = p;
+ if (p)
+ announce_grob (p, l->self_scm());
+ }
+}
- if (us_grace != them_grace)
- return;
-
- if (Stem *s = dynamic_cast<Stem*>(inf.elem_l_))
+void
+Script_engraver::acknowledge_grob (Grob_info inf)
+{
+ if (Stem::has_interface (inf.grob_))
{
- for (int i=0; i < script_p_arr_.size(); i++)
+ for (int i=0; i < scripts_.size (); i++)
{
- Side_position_interface stafy (script_p_arr_[i]);
- stafy.elt_l_->set_elt_property ("direction-source", s->self_scm_);
- stafy.add_support (s);
+ Grob*e = scripts_[i].script_;
+
+ if (to_dir (e->get_grob_property ("side-relative-direction")))
+ e->set_grob_property ("direction-source", inf.grob_->self_scm ());
+
+ /*
+ add dep ?
+ */
+ e->add_dependency (inf.grob_);
+ Side_position_interface::add_support (e, inf.grob_);
}
}
- else if (Rhythmic_head * rh = dynamic_cast<Rhythmic_head*>(inf.elem_l_))
+ else if (Rhythmic_head::has_interface (inf.grob_))
{
- for (int i=0; i < script_p_arr_.size(); i++)
+ for (int i=0; i < scripts_.size (); i++)
{
- Side_position_interface stafy(script_p_arr_[i]);
+ Grob *e = scripts_[i].script_;
- if (!stafy.elt_l_->parent_l (X_AXIS))
+ if (Side_position_interface::get_axis (e) == X_AXIS
+ && !e->get_parent (Y_AXIS))
{
- stafy.elt_l_->set_parent (inf.elem_l_, X_AXIS);
+ e->set_parent (inf.grob_, Y_AXIS);
+ e->add_dependency (inf.grob_); // ??
}
- if (stafy.get_axis () == X_AXIS
- && !stafy.elt_l_->parent_l (Y_AXIS))
- stafy.elt_l_->set_parent (rh, Y_AXIS);
+ Side_position_interface::add_support (e,inf.grob_);
+ }
+ }
+ else if (Note_column::has_interface (inf.grob_))
+ {
+
+ /*
+ We make note column the parent of the script. That's not
+ correct, but due to seconds in a chord, noteheads may be
+ swapped around horizontally. We don't know which note head to
+ put it on, so we postpone this decision to
+ Script_interface::before_line_breaking ().
+
+ */
+ for (int i=0; i < scripts_.size (); i++)
+ {
+ Grob *e = scripts_[i].script_;
- stafy.add_support (rh);
+ if (!e->get_parent (X_AXIS) &&
+ Side_position_interface::get_axis (e) == Y_AXIS)
+ {
+ e->set_parent (inf.grob_, X_AXIS);
+ }
}
- }
+ }
}
void
-Script_engraver::do_pre_move_processing()
+Script_engraver::stop_translation_timestep ()
{
- for (int i=0; i < script_p_arr_.size(); i++)
+ for (int i=0; i < scripts_.size (); i++)
{
- Script * sc = script_p_arr_[i];
- if (to_boolean (sc->remove_elt_property ("staff-support")))
- {
- Side_position_interface (sc).add_staff_support ();
- }
- typeset_element (sc);
+ if (!scripts_[i].script_)
+ continue;
+
+ Grob * sc = scripts_[i].script_;
+
+ SCM follow = scm_assoc (ly_symbol2scm ("follow-into-staff"), scripts_[i].description_);
+ if (gh_pair_p (follow) && to_boolean (gh_cdr (follow)))
+ sc->add_offset_callback (Side_position_interface::quantised_position_proc, Y_AXIS);
+ else
+ Side_position_interface::add_staff_support (sc);
+ typeset_grob (sc);
}
- script_p_arr_.clear();
+ scripts_.clear ();
}
void
-Script_engraver::do_post_move_processing()
+Script_engraver::start_translation_timestep ()
{
- script_req_l_arr_.clear();
+ scripts_.clear ();
}
-ADD_THIS_TRANSLATOR(Script_engraver);
+Script_engraver::Script_engraver(){}
+
+ENTER_DESCRIPTION(Script_engraver,
+/* descr */ "Handles note scripted articulations.",
+/* creats*/ "Script",
+/* accepts */ "script-event articulation-event",
+/* acks */ "stem-interface rhythmic-head-interface note-column-interface",
+/* reads */ "scriptDefinitions",
+/* write */ "");
projects / lilypond.git / blobdiff