/*
- script-reg.cc -- implement Script_engraver
+ script-engraver.cc -- implement Script_engraver
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "script-engraver.hh"
#include "script.hh"
-#include "musical-request.hh"
+#include "side-position-interface.hh"
+#include "event.hh"
#include "stem.hh"
-#include "staff-sym.hh"
-#include "general-script-def.hh"
-#include "text-def.hh"
+#include "rhythmic-head.hh"
+#include "engraver.hh"
+#include "note-column.hh"
+#include "translator-group.hh"
+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:
+ TRANSLATOR_DECLARATIONS(Script_engraver);
+protected:
+ 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_request (Request *r_l)
+Script_engraver::try_music (Music *r)
+{
+ if (r->is_mus_type ("articulation-event"))
+ {
+ Script_tuple t;
+ t.event_ =r;
+ scripts_.push (t);
+ return true;
+ }
+ return false;
+}
+
+void
+copy_property (Grob * g , SCM sym, SCM alist)
+{
+ if (g->internal_get_grob_property (sym) == SCM_EOL)
+ {
+ SCM entry = scm_assoc (sym,alist);
+ if (gh_pair_p (entry))
+ {
+ g->internal_set_grob_property (sym, gh_cdr (entry));
+ }
+ }
+}
+
+
+/*
+ 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)
{
- if (!r_l->access_Musical_req () || ! r_l->access_Musical_req ()->access_Musical_script_req ())
- return false ;
-
- for (int i=0; i < script_req_l_arr_.size(); i++)
+ SCM alist = tg->get_property ("scriptDefinitions");
+ SCM art = scm_assoc (event->get_mus_property ("articulation-type"), alist);
+
+ if (art == SCM_BOOL_F)
{
- if (r_l->equal_b (script_req_l_arr_[i]))
- return true;
+ 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 ;
}
- script_req_l_arr_.push (r_l->access_Script_req ());
-
- return true;
+
+ 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::do_process_requests()
+Script_engraver::process_music ()
{
- if (script_p_arr_.size ())
- return ;
-
- for (int i=0; i < script_req_l_arr_.size(); i++)
+ for (int i=0; i < scripts_.size (); i++)
{
- Script_req* l=script_req_l_arr_[i];
- Script *p =new Script;
- p->dir_ = l->dir_;
- p->specs_p_ = l->scriptdef_p_->clone ();
- script_p_arr_.push (p);
- announce_element (Score_element_info (p, l));
+ 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());
}
}
void
-Script_engraver::do_pre_move_processing()
+Script_engraver::acknowledge_grob (Grob_info inf)
{
- Staff_symbol* s_l = get_staff_info().staff_sym_l_;
- for (int i=0; i < script_p_arr_.size(); i++)
+ if (Stem::has_interface (inf.grob_))
{
- Script*script_p = script_p_arr_[i];
- if (!script_p->specs_p_->inside_b())
- script_p->add_support (s_l);
+ for (int i=0; i < scripts_.size (); i++)
+ {
+ Grob*e = scripts_[i].script_;
- if (script_p->specs_p_->is_type_b (Text_def::static_name ()))
+ 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::has_interface (inf.grob_))
+ {
+ for (int i=0; i < scripts_.size (); i++)
{
- Text_def * td_l = (Text_def*)script_p->specs_p_;
- Scalar style = get_property ("textstyle");
- if (style.to_bool ())
+ Grob *e = scripts_[i].script_;
+
+ if (Side_position_interface::get_axis (e) == X_AXIS
+ && !e->get_parent (Y_AXIS))
{
- td_l->style_str_= style;
+ e->set_parent (inf.grob_, Y_AXIS);
+ e->add_dependency (inf.grob_); // ??
}
- Scalar alignment = get_property ("textalignment");
- if (alignment.isnum_b())
+ 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_;
+
+ if (!e->get_parent (X_AXIS) &&
+ Side_position_interface::get_axis (e) == Y_AXIS)
{
- td_l->align_dir_= (Direction)(int)alignment;
+ e->set_parent (inf.grob_, X_AXIS);
}
}
- typeset_element (script_p);
}
- script_p_arr_.clear();
}
void
-Script_engraver::do_post_move_processing()
+Script_engraver::stop_translation_timestep ()
+{
+ for (int i=0; i < scripts_.size (); i++)
+ {
+ 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);
+ }
+ scripts_.clear ();
+}
+
+void
+Script_engraver::start_translation_timestep ()
{
- script_req_l_arr_.clear();
+ scripts_.clear ();
}
-IMPLEMENT_IS_TYPE_B1(Script_engraver,Engraver);
-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