/*
- script-engraver.cc -- implement Script_engraver
+ script-engraver.cc -- engrave Scripts: Articulations.
- (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ source file of the GNU LilyPond music typesetter
+
+ (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
+#include "engraver.hh"
-#include "script.hh"
+#include "context.hh"
+#include "directional-element-interface.hh"
+#include "international.hh"
+#include "note-column.hh"
+#include "paper-column.hh"
+#include "rhythmic-head.hh"
+#include "script-interface.hh"
#include "side-position-interface.hh"
-#include "musical-request.hh"
+#include "slur.hh"
+#include "staff-symbol-referencer.hh"
#include "stem.hh"
-#include "staff-symbol.hh"
-#include "rhythmic-head.hh"
-#include "dimension-cache.hh"
+#include "stream-event.hh"
+#include "warn.hh"
-#include "engraver.hh"
+#include "translator.icc"
-class Script_engraver : public Engraver {
- Link_array<Script> script_p_arr_;
- Link_array<Articulation_req> script_req_l_arr_;
+struct Script_tuple
+{
+ Stream_event *event_;
+ Grob *script_;
+ Script_tuple ()
+ {
+ event_ = 0;
+ script_ = 0;
+ }
+};
+
+class Script_engraver : public Engraver
+{
+ vector<Script_tuple> scripts_;
-public:
- VIRTUAL_COPY_CONS(Translator);
-
- Script_engraver();
protected:
- virtual bool do_try_music (Music*);
- virtual void do_process_requests ();
- virtual void do_pre_move_processing ();
- virtual void do_post_move_processing ();
- virtual void acknowledge_element (Score_element_info);
+ void stop_translation_timestep ();
+ void process_music ();
+
+ DECLARE_TRANSLATOR_LISTENER (articulation);
+ DECLARE_ACKNOWLEDGER (rhythmic_head);
+ DECLARE_ACKNOWLEDGER (stem);
+ DECLARE_ACKNOWLEDGER (stem_tremolo);
+ DECLARE_ACKNOWLEDGER (note_column);
+
+public:
+ TRANSLATOR_DECLARATIONS (Script_engraver);
};
+Script_engraver::Script_engraver ()
+{
+}
-Script_engraver::Script_engraver()
+IMPLEMENT_TRANSLATOR_LISTENER (Script_engraver, articulation);
+void
+Script_engraver::listen_articulation (Stream_event *ev)
{
- do_post_move_processing();
+ /* Discard double articulations for part-combining. */
+ int script_count = scripts_.size ();
+ for (int i = 0; i < script_count; i++)
+ if (ly_is_equal (scripts_[i].event_
+ ->get_property ("articulation-type"),
+ ev->get_property ("articulation-type")))
+ return;
+
+ Script_tuple t;
+ t.event_ = ev;
+ scripts_.push_back (t);
}
-bool
-Script_engraver::do_try_music (Music *r_l)
+void
+copy_property (Grob *g, SCM sym, SCM alist)
{
- if (Articulation_req *mr = dynamic_cast <Articulation_req *> (r_l))
+ if (g->internal_get_property (sym) == SCM_EOL)
{
- 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);
- return true;
+ SCM entry = scm_assoc (sym, alist);
+ if (scm_is_pair (entry))
+ g->set_property (sym, scm_cdr (entry));
}
- return false;
}
+/* Add the properties, one by one for each Script. A little memory
+ could be saved by tacking the props onto the Script grob (i.e. make
+ ScriptStaccato , ScriptMarcato, etc. ).
+*/
void
-Script_engraver::do_process_requests()
+make_script_from_event (Grob *p, Context *tg,
+ SCM art_type, int index)
{
- for (int i=0; i < script_req_l_arr_.size(); i++)
+ SCM alist = tg->get_property ("scriptDefinitions");
+ SCM art = scm_assoc (art_type, alist);
+
+ if (art == SCM_BOOL_F)
+ {
+ /* FIXME: */
+ warning (_ ("do not know how to interpret articulation: "));
+ warning (_ ("scheme encoding: "));
+ scm_write (art_type, scm_current_error_port ());
+ message ("");
+ return;
+ }
+
+ art = scm_cdr (art);
+
+ bool priority_found = false;
+
+ for (SCM s = art; scm_is_pair (s); s = scm_cdr (s))
{
- Articulation_req* l=script_req_l_arr_[i];
+ SCM sym = scm_caar (s);
+ SCM type = scm_object_property (sym, ly_symbol2scm ("backend-type?"));
+ if (!ly_is_procedure (type))
+ continue;
- SCM list = ly_eval_str (("(articulation-to-scriptdef \"" + l->articulation_str_ + "\")").ch_C());
-
- if (list == SCM_BOOL_F)
+ SCM val = scm_cdar (s);
+
+ if (sym == ly_symbol2scm ("script-priority"))
{
- l->warning (_f ("Don't know how to interpret articulation `%s'",
- l->articulation_str_.ch_C ()));
- continue;
+ priority_found = true;
+ /* 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. */
+ int prio = scm_to_int (val) + index;
+
+ val = scm_from_int (prio);
}
- Script *p =new Script;
- 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);
-
- 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));
+
+ SCM preset = p->get_property_data (sym);
+ if (val == SCM_EOL
+ || scm_call_1 (type, preset) == SCM_BOOL_F)
+ p->set_property (sym, val);
+ }
+
+ if (!priority_found)
+ {
+ p->set_property ("script-priority",
+ scm_from_int (index));
}
}
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 (vsize i = 0; i < scripts_.size (); i++)
+ {
+ Stream_event *ev = scripts_[i].event_;
+
+ Grob *p = make_item ("Script", ev->self_scm ());
+
+ make_script_from_event (p, context (),
+ ev->get_property ("articulation-type"),
+ i);
+
+ scripts_[i].script_ = p;
- if (us_grace != them_grace)
- return;
-
- if (Stem *s = dynamic_cast<Stem*>(inf.elem_l_))
+ SCM force_dir = ev->get_property ("direction");
+ if (is_direction (force_dir) && to_dir (force_dir))
+ p->set_property ("direction", force_dir);
+ }
+}
+
+void
+Script_engraver::acknowledge_stem (Grob_info info)
+{
+ int script_count = scripts_.size ();
+ for (int i = 0; i < script_count; i++)
{
- for (int i=0; i < script_p_arr_.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_property ("side-relative-direction")))
+ e->set_object ("direction-source", info.grob ()->self_scm ());
+
+ Side_position_interface::add_support (e, info.grob ());
}
- else if (Rhythmic_head * rh = dynamic_cast<Rhythmic_head*>(inf.elem_l_))
+}
+
+void
+Script_engraver::acknowledge_stem_tremolo (Grob_info info)
+{
+ int script_count = scripts_.size ();
+ for (int i = 0; i < script_count; i++)
{
- for (int i=0; i < script_p_arr_.size(); i++)
- {
- Side_position_interface stafy(script_p_arr_[i]);
-
- if (!stafy.elt_l_->parent_l (X_AXIS))
+ Grob *e = scripts_[i].script_;
+ Side_position_interface::add_support (e, info.grob ());
+ }
+}
+
+
+void
+Script_engraver::acknowledge_rhythmic_head (Grob_info info)
+{
+ if (info.event_cause ())
+ {
+ for (vsize i = 0; i < scripts_.size (); i++)
+ {
+ Grob *e = scripts_[i].script_;
+
+ 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 (info.grob (), Y_AXIS);
}
- if (stafy.get_axis () == X_AXIS
- && !stafy.elt_l_->parent_l (Y_AXIS))
- stafy.elt_l_->set_parent (rh, Y_AXIS);
-
- stafy.add_support (rh);
+ Side_position_interface::add_support (e, info.grob ());
}
- }
+ }
}
void
-Script_engraver::do_pre_move_processing()
+Script_engraver::acknowledge_note_column (Grob_info info)
{
- for (int i=0; i < script_p_arr_.size(); i++)
+ /* Make note column the parent of the script. That is not
+ correct, but due to seconds in a chord, noteheads may be
+ swapped around horizontally.
+
+ As the note head to put it on is not known now, postpone this
+ decision to Script_interface::calc_direction (). */
+ for (vsize i = 0; i < scripts_.size (); i++)
{
- if (to_boolean (script_p_arr_[i]->remove_elt_property ("staff-support")))
- side_position (script_p_arr_[i]).add_staff_support ();
- typeset_element (script_p_arr_[i]);
+ Grob *e = scripts_[i].script_;
+
+ if (!e->get_parent (X_AXIS)
+ && Side_position_interface::get_axis (e) == Y_AXIS)
+ e->set_parent (info.grob (), X_AXIS);
}
- script_p_arr_.clear();
}
void
-Script_engraver::do_post_move_processing()
+Script_engraver::stop_translation_timestep ()
{
- script_req_l_arr_.clear();
+ scripts_.clear ();
}
-ADD_THIS_TRANSLATOR(Script_engraver);
+ADD_ACKNOWLEDGER (Script_engraver, rhythmic_head);
+ADD_ACKNOWLEDGER (Script_engraver, stem);
+ADD_ACKNOWLEDGER (Script_engraver, note_column);
+ADD_ACKNOWLEDGER (Script_engraver, stem_tremolo);
+
+ADD_TRANSLATOR (Script_engraver,
+ /* doc */
+ "Handle note scripted articulations.",
+
+ /* create */
+ "Script ",
+ /* read */
+ "scriptDefinitions ",
+ /* write */
+ ""
+ );
projects / lilypond.git / blobdiff