/*
script-engraver.cc -- implement Script_engraver
- (c) 1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-
#include "script.hh"
#include "side-position-interface.hh"
#include "musical-request.hh"
#include "stem.hh"
#include "rhythmic-head.hh"
#include "engraver.hh"
+#include "note-column.hh"
-class Script_engraver : public Engraver {
- Link_array<Grob> script_p_arr_;
- Link_array<Articulation_req> script_req_l_arr_;
+class Script_engraver : public Engraver
+{
+ Link_array<Grob> scripts_;
+ Link_array<Articulation_req> script_reqs_;
public:
- VIRTUAL_COPY_CONS (Translator);
-
+ 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 create_grobs ();
+ virtual void process_music ();
virtual void acknowledge_grob (Grob_info);
};
-
void
Script_engraver::initialize ()
{
- script_req_l_arr_.clear();
+ script_reqs_.clear ();
}
bool
-Script_engraver::try_music (Music *r_l)
+Script_engraver::try_music (Music *r)
{
- if (Articulation_req *mr = dynamic_cast <Articulation_req *> (r_l))
+ if (Articulation_req *mr = dynamic_cast <Articulation_req *> (r))
{
- for (int i=0; i < script_req_l_arr_.size(); i++)
+ for (int i=0; i < script_reqs_.size (); i++)
{
- if (script_req_l_arr_[i]->equal_b (mr))
+ if (script_reqs_[i]->equal_b (mr))
return true;
}
- script_req_l_arr_.push (mr);
+ script_reqs_.push (mr);
return true;
}
return false;
}
void
-Script_engraver::create_grobs ()
+Script_engraver::process_music ()
{
- for (int i=0; i < script_req_l_arr_.size(); i++)
+ for (int i=0; i < script_reqs_.size (); i++)
{
- Articulation_req* l=script_req_l_arr_[i];
+ 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)
{
String a = ly_scm2string (l->get_mus_property ("articulation-type"));
- l->origin ()->warning (_f ("Don't know how to interpret articulation `%s'", a.ch_C()));
+ l->origin ()->warning (_f ("Don't know how to interpret articulation `%s'", a.to_str0 ()));
continue;
}
// todo -> use result of articulation-to-scriptdef directly as basic prop list.
Grob *p =new Item (get_property ("Script"));
- art = gh_cdr (art);
- p->set_grob_property ("molecule",
- gh_car (art));
+ art = ly_cdr (art);
+ p->set_grob_property ("script-molecule", ly_car (art));
- art = gh_cdr(art);
- bool follow_staff = gh_scm2bool (gh_car (art));
- art = gh_cdr(art);
- SCM relative_stem_dir = gh_car (art);
- art = gh_cdr(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 (isdir_b (force_dir) && !to_dir (force_dir))
- force_dir = gh_car (art);
+ if (ly_dir_p (force_dir) && !to_dir (force_dir))
+ force_dir = ly_car (art);
- art = gh_cdr(art);
- SCM priority = gh_car (art);
+ art = ly_cdr (art);
+ int priority = gh_scm2int (ly_car (art));
+
+ SCM s = p->get_grob_property ("script-priority");
+ if (gh_number_p (s))
+ priority = gh_scm2int (s);
+ /* 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 (isdir_b (force_dir) && to_dir (force_dir))
+ 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);
-
/*
*/
SCM axisprop = get_property ("scriptHorizontal");
bool xaxis = to_boolean (axisprop);
- Side_position::set_axis (p, xaxis ? X_AXIS : Y_AXIS);
-
+ Side_position_interface::set_axis (p, xaxis ? X_AXIS : Y_AXIS);
+
if (!follow_staff && ! xaxis)
p->set_grob_property ("staff-support", SCM_BOOL_T);
if (!xaxis && follow_staff)
- p->add_offset_callback (Side_position::quantised_position_proc, Y_AXIS);
+ p->add_offset_callback (Side_position_interface::quantised_position_proc, Y_AXIS);
- p->set_grob_property ("script-priority", priority);
+ p->set_grob_property ("script-priority", gh_int2scm (priority));
- script_p_arr_.push (p);
+ scripts_.push (p);
- announce_grob (p, l);
+ announce_grob (p, l->self_scm());
}
- script_req_l_arr_.clear ();
}
void
Script_engraver::acknowledge_grob (Grob_info inf)
{
- bool them_grace = to_boolean (inf.elem_l_->get_grob_property ("grace"));
- bool us_grace = to_boolean (get_property ("weAreGraceContext"));
-
- if (us_grace != them_grace)
- return;
-
- if (Stem::has_interface (inf.elem_l_))
+ if (Stem::has_interface (inf.grob_))
{
- for (int i=0; i < script_p_arr_.size(); i++)
+ for (int i=0; i < scripts_.size (); i++)
{
- Grob*e = script_p_arr_[i];
+ Grob*e = scripts_[i];
- e->set_grob_property ("direction-source", inf.elem_l_->self_scm ());
- Side_position::add_support (e, inf.elem_l_);
+ e->set_grob_property ("direction-source", inf.grob_->self_scm ());
+ e->add_dependency (inf.grob_);
+ Side_position_interface::add_support (e, inf.grob_);
}
}
- else if (Rhythmic_head::has_interface (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++)
{
- Grob *e = script_p_arr_[i];
+ Grob *e = scripts_[i];
- if (!e->parent_l (X_AXIS))
+ if (Side_position_interface::get_axis (e) == X_AXIS
+ && !e->get_parent (Y_AXIS))
{
- e->set_parent (inf.elem_l_, X_AXIS);
+ e->set_parent (inf.grob_, Y_AXIS);
+ e->add_dependency (inf.grob_); // ??
}
- if (Side_position::get_axis (e) == X_AXIS
- && !e->parent_l (Y_AXIS))
- e->set_parent (inf.elem_l_, 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];
- Side_position::add_support (e,inf.elem_l_);
+ if (!e->get_parent (X_AXIS) &&
+ Side_position_interface::get_axis (e) == Y_AXIS)
+ {
+ e->set_parent (inf.grob_, X_AXIS);
+ }
}
- }
+ }
}
void
-Script_engraver::stop_translation_timestep()
+Script_engraver::stop_translation_timestep ()
{
- for (int i=0; i < script_p_arr_.size(); i++)
+ for (int i=0; i < scripts_.size (); i++)
{
- Grob * sc = script_p_arr_[i];
+
+ /*
+ TODO: junk staff-support.
+ */
+ Grob * sc = scripts_[i];
if (to_boolean (sc->get_grob_property ("staff-support")))
{
- Side_position::add_staff_support (sc);
+ Side_position_interface::add_staff_support (sc);
}
typeset_grob (sc);
}
- script_p_arr_.clear();
+ scripts_.clear ();
}
void
-Script_engraver::start_translation_timestep()
+Script_engraver::start_translation_timestep ()
{
- script_req_l_arr_.clear();
+ script_reqs_.clear ();
}
-ADD_THIS_TRANSLATOR (Script_engraver);
+Script_engraver::Script_engraver(){}
+
+ENTER_DESCRIPTION(Script_engraver,
+/* descr */ " Handles note ornaments generated by @code{\\script}.
+",
+/* creats*/ "Script",
+/* acks */ "stem-interface rhythmic-head-interface note-column-interface",
+/* reads */ "scriptDefinitions scriptHorizontal",
+/* write */ "");