/*
script-engraver.cc -- implement Script_engraver
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 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 "rhythmic-head.hh"
#include "engraver.hh"
#include "note-column.hh"
+#include "translator-group.hh"
+#include "warn.hh"
-class Script_engraver : public Engraver
+struct Script_tuple
{
- Link_array<Grob> scripts_;
- Link_array<Articulation_req> script_reqs_;
+ 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);
};
-void
-Script_engraver::initialize ()
-{
- script_reqs_.clear ();
-}
-
bool
Script_engraver::try_music (Music *r)
{
- if (Articulation_req *mr = dynamic_cast <Articulation_req *> (r))
+ if (r->is_mus_type ("articulation-event"))
{
- for (int i=0; i < script_reqs_.size (); i++)
- {
- if (script_reqs_[i]->equal_b (mr))
- return true;
- }
- script_reqs_.push (mr);
+ /*
+ Discard double articulations.
+ This is necessary for part-combining.
+ */
+ for (int j = 0; j < scripts_.size (); j++)
+ if (gh_equal_p (scripts_[j]. event_->get_mus_property ("articulation-type"),
+ r->get_mus_property ("articulation-type")
+ ))
+ return true;
+
+ Script_tuple t;
+ t.event_ =r;
+ scripts_.push (t);
+
return true;
}
return false;
}
void
-Script_engraver::process_music ()
+copy_property (Grob * g , SCM sym, SCM alist)
{
- for (int i=0; i < script_reqs_.size (); i++)
+ if (g->internal_get_grob_property (sym) == SCM_EOL)
{
- Articulation_req* l=script_reqs_[i];
-
- SCM alist = get_property ("scriptDefinitions");
- SCM art = scm_assoc (l->get_mus_property ("articulation-type"), alist);
-
- if (art == SCM_BOOL_F)
+ SCM entry = scm_assoc (sym,alist);
+ if (gh_pair_p (entry))
{
- String a = ly_scm2string (l->get_mus_property ("articulation-type"));
- l->origin ()->warning (_f ("Don't know how to interpret articulation `%s'", a.to_str0 ()));
-
- continue;
+ g->internal_set_grob_property (sym, gh_cdr (entry));
}
- // todo -> use result of articulation-to-scriptdef directly as basic prop list.
- Grob *p =new Item (get_property ("Script"));
- art = ly_cdr (art);
- p->set_grob_property ("script-molecule", ly_car (art));
+ }
+}
- art = ly_cdr (art);
- bool follow_staff = gh_scm2bool (ly_car (art));
- art = ly_cdr (art);
- SCM relative_stem_dir = ly_car (art);
- art = ly_cdr (art);
- SCM force_dir = l->get_mus_property ("direction");
- if (ly_dir_p (force_dir) && !to_dir (force_dir))
- force_dir = ly_car (art);
-
- art = ly_cdr (art);
- int priority = gh_scm2int (ly_car (art));
+/*
+ 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. )
+ */
+void make_script_from_event (Grob *p,
+ SCM * descr, Translator_group*tg,
+ SCM art_type,
+ int index)
+{
+ SCM alist = tg->get_property ("scriptDefinitions");
+ SCM art = scm_assoc (art_type, alist);
+
+ if (art == SCM_BOOL_F)
+ {
+ warning (_("Don't know how to interpret articulation:"));
+ warning (_("Scheme encoding: "));
+ scm_write (art_type, scm_current_error_port ());
+ return ;
+ }
- SCM s = p->get_grob_property ("script-priority");
- if (gh_number_p (s))
- priority = gh_scm2int (s);
+ art = gh_cdr (art);
+
+ *descr = art;
- /* 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.
- */
- priority += i;
- if (ly_dir_p (force_dir) && to_dir (force_dir))
- p->set_grob_property ("direction", force_dir);
- else if (to_dir (relative_stem_dir))
- p->set_grob_property ("side-relative-direction", relative_stem_dir);
+ copy_property (p, ly_symbol2scm ("script-stencil"), 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));
- /*
- FIXME: should figure this out in relation with basic props!
- */
- SCM axisprop = get_property ("scriptHorizontal");
- bool xaxis = to_boolean (axisprop);
- Side_position_interface::set_axis (p, xaxis ? X_AXIS : Y_AXIS);
- if (!follow_staff && ! xaxis)
- p->set_grob_property ("staff-support", SCM_BOOL_T);
+ /*
+ 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));
+}
+
+void
+Script_engraver::process_music ()
+{
+ for (int i=0; i < scripts_.size (); i++)
+ {
+ Music* l=scripts_[i].event_;
+
+ Grob * p = make_item ("Script");
+
+ make_script_from_event (p, &scripts_[i].description_, daddy_trans_,
+ l->get_mus_property ("articulation-type"),
+ i);
+
+ scripts_[i].script_ = p;
- if (!xaxis && follow_staff)
- p->add_offset_callback (Side_position_interface::quantised_position_proc, Y_AXIS);
-
- p->set_grob_property ("script-priority", gh_int2scm (priority));
-
- scripts_.push (p);
+ SCM force_dir = l->get_mus_property ("direction");
+ if (is_direction (force_dir) && to_dir (force_dir))
+ p->set_grob_property ("direction", force_dir);
- announce_grob (p, l->self_scm());
+ if (p)
+ announce_grob (p, l->self_scm());
}
}
{
for (int i=0; i < scripts_.size (); i++)
{
- Grob*e = scripts_[i];
+ 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 ());
- 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_);
}
{
for (int i=0; i < scripts_.size (); i++)
{
- Grob *e = scripts_[i];
+ Grob *e = scripts_[i].script_;
if (Side_position_interface::get_axis (e) == X_AXIS
&& !e->get_parent (Y_AXIS))
*/
for (int i=0; i < scripts_.size (); i++)
{
- Grob *e = scripts_[i];
+ Grob *e = scripts_[i].script_;
if (!e->get_parent (X_AXIS) &&
Side_position_interface::get_axis (e) == Y_AXIS)
{
for (int i=0; i < scripts_.size (); i++)
{
+ if (!scripts_[i].script_)
+ continue;
+
+ Grob * sc = scripts_[i].script_;
- /*
- TODO: junk staff-support.
- */
- Grob * sc = scripts_[i];
- if (to_boolean (sc->get_grob_property ("staff-support")))
+ SCM follow = scm_assoc (ly_symbol2scm ("follow-into-staff"), scripts_[i].description_);
+ if (gh_pair_p (follow) && to_boolean (gh_cdr (follow)))
{
- Side_position_interface::add_staff_support (sc);
+ sc->add_offset_callback (Side_position_interface::quantised_position_proc, Y_AXIS);
+ sc->set_grob_property ("staff-padding", SCM_EOL);
}
typeset_grob (sc);
}
scripts_.clear ();
}
-void
-Script_engraver::start_translation_timestep ()
-{
- script_reqs_.clear ();
-}
-
Script_engraver::Script_engraver(){}
ENTER_DESCRIPTION(Script_engraver,
-/* descr */ " Handles note ornaments generated by @code{\\script}.
-",
+/* descr */ "Handles note scripted articulations.",
/* creats*/ "Script",
-/* acks */ "stem-interface rhythmic-head-interface note-column-interface",
-/* reads */ "scriptDefinitions scriptHorizontal",
+/* accepts */ "script-event articulation-event",
+/* acks */ "stem-interface rhythmic-head-interface note-column-interface",
+/* reads */ "scriptDefinitions",
/* write */ "");