/*
script-engraver.cc -- implement Script_engraver
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "script-engraver.hh"
#include "script.hh"
+#include "side-position-interface.hh"
#include "musical-request.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"
+class Script_engraver : public Engraver
+{
+ Link_array<Grob> scripts_;
+ Link_array<Articulation_req> script_reqs_;
+
+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();
+ script_reqs_.clear ();
}
bool
-Script_engraver::do_try_music (Music *r_l)
+Script_engraver::try_music (Music *r)
{
- if (Musical_script_req *mr = dynamic_cast <Musical_script_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::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 < script_reqs_.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));
+ 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.to_str0 ()));
+
+ continue;
+ }
+ // 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));
+
+ 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 (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);
+
+
+ /*
+ 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);
+
+ 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);
+
+ 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];
- if (Text_def*td_l = dynamic_cast<Text_def *> (script_p->specs_p_)) // UGH
+ 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.grob_))
+ {
+ for (int i=0; i < scripts_.size (); i++)
{
- if (!td_l->style_str_.length_i ())
+ Grob *e = scripts_[i];
+
+ if (Side_position_interface::get_axis (e) == X_AXIS
+ && !e->get_parent (Y_AXIS))
{
- Scalar style = get_property ("textstyle", 0);
- if (style.to_bool ())
- td_l->style_str_= style;
+ e->set_parent (inf.grob_, Y_AXIS);
+ e->add_dependency (inf.grob_); // ??
}
- // urg, what if this is already set? in-band signaling...
- Scalar alignment = get_property ("textalignment", 0);
- 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];
+
+ 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++)
+ {
+
+ /*
+ TODO: junk staff-support.
+ */
+ Grob * sc = scripts_[i];
+ if (to_boolean (sc->get_grob_property ("staff-support")))
+ {
+ Side_position_interface::add_staff_support (sc);
+ }
+ typeset_grob (sc);
+ }
+ scripts_.clear ();
+}
+
+void
+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 */ "");
projects / lilypond.git / blobdiff