/*
- script-engraver.cc -- implement Script_engraver
+ script-engraver.cc -- engrave Scripts: Articulations.
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ source file of the GNU LilyPond music typesetter
+
+ (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "script.hh"
-#include "side-position-interface.hh"
-#include "event.hh"
-#include "stem.hh"
-#include "rhythmic-head.hh"
+#include "context.hh"
+#include "directional-element-interface.hh"
#include "engraver.hh"
+#include "slur.hh"
#include "note-column.hh"
-#include "context.hh"
-
+#include "paper-column.hh"
+#include "rhythmic-head.hh"
+#include "script-interface.hh"
+#include "side-position-interface.hh"
+#include "staff-symbol-referencer.hh"
+#include "stem.hh"
#include "warn.hh"
struct Script_tuple
{
Music *event_;
- Grob * script_;
- SCM description_;
+ Grob *script_;
+ bool follow_into_staff_;
Script_tuple ()
{
+ follow_into_staff_ = false;
event_ = 0;
script_ = 0;
- description_ = SCM_EOL;
}
};
class Script_engraver : public Engraver
{
Array<Script_tuple> scripts_;
-public:
- TRANSLATOR_DECLARATIONS (Script_engraver);
+ Spanner *slur_;
+
protected:
- virtual bool try_music (Music*);
+ virtual bool try_music (Music *);
virtual void stop_translation_timestep ();
virtual void process_music ();
virtual void acknowledge_grob (Grob_info);
+
+public:
+ TRANSLATOR_DECLARATIONS (Script_engraver);
};
+Script_engraver::Script_engraver ()
+{
+ slur_ = 0;
+}
+
bool
-Script_engraver::try_music (Music *r)
+Script_engraver::try_music (Music *m)
{
- if (r->is_mus_type ("articulation-event"))
+ if (m->is_mus_type ("articulation-event"))
{
- /*
- Discard double articulations.
- This is necessary for part-combining.
- */
- for (int j = 0; j < scripts_.size (); j++)
- if (ly_c_equal_p (scripts_[j]. event_->get_property ("articulation-type"),
- r->get_property ("articulation-type")
- ))
+ /* Discard double articulations for part-combining. */
+ int script_count = scripts_.size ();
+ for (int i = 0; i < script_count; i++)
+ if (ly_c_equal_p (scripts_[i].event_
+ ->get_property ("articulation-type"),
+ m->get_property ("articulation-type")))
return true;
-
+
Script_tuple t;
- t.event_ =r;
+ t.event_ = m;
scripts_.push (t);
-
return true;
}
return false;
}
void
-copy_property (Grob * g , SCM sym, SCM alist)
+copy_property (Grob *g, SCM sym, SCM alist)
{
if (g->internal_get_property (sym) == SCM_EOL)
{
- SCM entry = scm_assoc (sym,alist);
- if (ly_c_pair_p (entry))
- {
- g->internal_set_property (sym, ly_cdr (entry));
- }
+ SCM entry = scm_assoc (sym, alist);
+ if (scm_is_pair (entry))
+ g->internal_set_property (sym, scm_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. )
- */
-void make_script_from_event (Grob *p,
- SCM * descr, Context *tg,
- SCM art_type,
- int index)
+/* 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 make_script_from_event (Grob *p, bool *follow, Context *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: "));
+ /* FIXME: */
+ warning (_ ("Do not know how to interpret articulation: "));
+ warning (_ ("Scheme encoding: "));
scm_write (art_type, scm_current_error_port ());
- return ;
+ return;
}
- art = ly_cdr (art);
-
- *descr = art;
+ art = scm_cdr (art);
+
+ SCM follow_scm = scm_assoc (ly_symbol2scm ("follow-into-staff"),
+ art);
+
+ *follow = scm_is_pair (follow_scm) && to_boolean (scm_cdr (follow_scm));
+ bool priority_found = false;
+ for (SCM s = art; scm_is_pair (s); s = scm_cdr (s))
+ {
+ SCM sym = scm_caar (s);
+ SCM type = scm_object_property (sym, ly_symbol2scm ("backend-type?"));
+ if (!ly_c_procedure_p (type))
+ continue;
- copy_property (p, ly_symbol2scm ("script-stencil"), art);
- copy_property (p, ly_symbol2scm ("direction"), art);
- copy_property (p, ly_symbol2scm ("side-relative-direction"), art);
+ SCM val = scm_cdar (s);
- int prio =0;
- SCM sprio = scm_assoc (ly_symbol2scm ("script-priority"), art);
- if (ly_c_pair_p (sprio))
- prio = ly_scm2int (ly_cdr (sprio));
+ if (sym == ly_symbol2scm ("script-priority"))
+ {
+ 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_int2num (prio);
+ }
+ if (p->internal_get_property (sym) == SCM_EOL)
+ p->internal_set_property (sym, val);
+ }
- /*
- 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;
+ if (!priority_found)
+ {
+ p->set_property ("script-priority",
+ scm_int2num (index));
+ }
Side_position_interface::set_axis (p, Y_AXIS);
- p->set_property ("script-priority", scm_int2num (prio));
+
}
void
Script_engraver::process_music ()
{
- for (int i=0; i < scripts_.size (); i++)
+ int script_count = scripts_.size ();
+ for (int i = 0; i < script_count; i++)
{
- Music* l=scripts_[i].event_;
+ Music *m = scripts_[i].event_;
- Grob * p = make_item ("Script");
+ Grob *p = make_item ("Script", m->self_scm ());
- make_script_from_event (p, &scripts_[i].description_, context (),
- l->get_property ("articulation-type"),
+ make_script_from_event (p, &scripts_[i].follow_into_staff_, context (),
+ m->get_property ("articulation-type"),
i);
scripts_[i].script_ = p;
-
- SCM force_dir = l->get_property ("direction");
+ SCM force_dir = m->get_property ("direction");
if (is_direction (force_dir) && to_dir (force_dir))
p->set_property ("direction", force_dir);
-
- if (p)
- announce_grob (p, l->self_scm ());
}
}
void
-Script_engraver::acknowledge_grob (Grob_info inf)
+Script_engraver::acknowledge_grob (Grob_info info)
{
- if (Stem::has_interface (inf.grob_))
+ int script_count = scripts_.size ();
+ if (Stem::has_interface (info.grob_))
{
- for (int i=0; i < scripts_.size (); i++)
+ for (int i = 0; i < script_count; i++)
{
- Grob*e = scripts_[i].script_;
+ Grob *e = scripts_[i].script_;
if (to_dir (e->get_property ("side-relative-direction")))
- e->set_property ("direction-source", inf.grob_->self_scm ());
+ e->set_property ("direction-source", info.grob_->self_scm ());
- /*
- add dep ?
- */
- e->add_dependency (inf.grob_);
- Side_position_interface::add_support (e, inf.grob_);
+ /* FIXME: add dependency */
+ e->add_dependency (info.grob_);
+ Side_position_interface::add_support (e, info.grob_);
}
}
- else if (Rhythmic_head::has_interface (inf.grob_))
+ else if (Rhythmic_head::has_interface (info.grob_)
+ && info.music_cause ())
{
- for (int i=0; i < scripts_.size (); i++)
+ for (int i = 0; i < script_count; i++)
{
Grob *e = scripts_[i].script_;
-
+
if (Side_position_interface::get_axis (e) == X_AXIS
&& !e->get_parent (Y_AXIS))
{
- e->set_parent (inf.grob_, Y_AXIS);
- e->add_dependency (inf.grob_); // ??
+ e->set_parent (info.grob_, Y_AXIS);
+ e->add_dependency (info.grob_);
}
- Side_position_interface::add_support (e,inf.grob_);
+ Side_position_interface::add_support (e, info.grob_);
}
}
- else if (Note_column::has_interface (inf.grob_))
+ else if (Note_column::has_interface (info.grob_))
{
+ /* 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.
- /*
- 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++)
+ As the note head to put it on is not known now, postpone this
+ decision to Script_interface::before_line_breaking (). */
+ for (int i = 0; i < script_count; i++)
{
Grob *e = scripts_[i].script_;
-
- if (!e->get_parent (X_AXIS) &&
- Side_position_interface::get_axis (e) == Y_AXIS)
- {
- e->set_parent (inf.grob_, X_AXIS);
- }
+
+ if (!e->get_parent (X_AXIS)
+ && Side_position_interface::get_axis (e) == Y_AXIS)
+ e->set_parent (info.grob_, X_AXIS);
}
}
+ else if (Slur::has_interface (info.grob_))
+ slur_ = dynamic_cast<Spanner *> (info.grob_);
}
void
Script_engraver::stop_translation_timestep ()
{
- for (int i=0; i < scripts_.size (); i++)
- {
- if (!scripts_[i].script_)
- continue;
-
- Grob * sc = scripts_[i].script_;
+ int script_count = scripts_.size ();
+ for (int i = 0; i < script_count; i++)
+ if (scripts_[i].follow_into_staff_)
+ {
+ Grob *sc = scripts_[i].script_;
+ sc->add_offset_callback (Side_position_interface
+ ::quantised_position_proc, Y_AXIS);
+ sc->set_property ("staff-padding", SCM_EOL);
+ }
- SCM follow = scm_assoc (ly_symbol2scm ("follow-into-staff"), scripts_[i].description_);
- if (ly_c_pair_p (follow) && to_boolean (ly_cdr (follow)))
- {
- sc->add_offset_callback (Side_position_interface::quantised_position_proc, Y_AXIS);
- sc->set_property ("staff-padding", SCM_EOL);
- }
- typeset_grob (sc);
- }
scripts_.clear ();
}
-
-
-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 */ "");
+ADD_TRANSLATOR (Script_engraver,
+ /* descr */ "Handles note scripted articulations.",
+ /* creats*/ "Script",
+ /* accepts */ "script-event articulation-event",
+ /* acks */ "stem-interface rhythmic-head-interface "
+ "slur-interface note-column-interface",
+ /* reads */ "scriptDefinitions",
+ /* write */ "");
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