source file of the GNU LilyPond music typesetter
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "context.hh"
#include "directional-element-interface.hh"
#include "engraver.hh"
-#include "event.hh"
-#include "new-slur.hh"
+#include "slur.hh"
#include "note-column.hh"
#include "paper-column.hh"
#include "rhythmic-head.hh"
{
Music *event_;
Grob *script_;
- SCM description_;
+ bool follow_into_staff_;
Script_tuple ()
{
+ follow_into_staff_ = false;
event_ = 0;
script_ = 0;
- description_ = SCM_EOL;
}
};
Spanner *slur_;
protected:
- virtual bool try_music (Music*);
- virtual void stop_translation_timestep ();
- virtual void process_music ();
- virtual void acknowledge_grob (Grob_info);
+ virtual bool try_music (Music *);
+ void stop_translation_timestep ();
+ void process_music ();
+
+ DECLARE_ACKNOWLEDGER ( slur);
+ DECLARE_ACKNOWLEDGER ( rhythmic_head);
+ DECLARE_ACKNOWLEDGER ( stem);
+ DECLARE_ACKNOWLEDGER ( note_column);
public:
TRANSLATOR_DECLARATIONS (Script_engraver);
/* 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")))
+ if (ly_is_equal (scripts_[i].event_
+ ->get_property ("articulation-type"),
+ m->get_property ("articulation-type")))
return true;
Script_tuple t;
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));
+ if (scm_is_pair (entry))
+ g->internal_set_property (sym, scm_cdr (entry));
}
}
-/* Add the properties, one by one for each Script. A little space
- (memory? --jcn) could be saved 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,
+/* 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");
if (art == SCM_BOOL_F)
{
/* FIXME: */
- warning (_ ("Do not know how to interpret articulation: "));
- warning (_ ("Scheme encoding: "));
+ warning (_ ("don't know how to interpret articulation: "));
+ warning (_ ("scheme encoding: "));
scm_write (art_type, scm_current_error_port ());
+ message ("");
return;
}
- art = ly_cdr (art);
- *descr = art;
+ art = scm_cdr (art);
+
+ SCM follow_scm = scm_assoc (ly_symbol2scm ("follow-into-staff"),
+ art);
- copy_property (p, ly_symbol2scm ("script-stencil"), art);
- copy_property (p, ly_symbol2scm ("direction"), art);
- copy_property (p, ly_symbol2scm ("side-relative-direction"), art);
+ *follow = scm_is_pair (follow_scm) && to_boolean (scm_cdr (follow_scm));
+ bool priority_found = false;
- int prio = 0;
- SCM sprio = scm_assoc (ly_symbol2scm ("script-priority"), art);
- if (ly_c_pair_p (sprio))
- prio = ly_scm2int (ly_cdr (sprio));
+ 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_is_procedure (type))
+ continue;
+
+ SCM val = scm_cdar (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. */
- prio += index;
+ 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_from_int (prio);
+ }
+ if (p->internal_get_property (sym) == SCM_EOL)
+ p->internal_set_property (sym, val);
+ }
+
+ if (!priority_found)
+ {
+ p->set_property ("script-priority",
+ scm_from_int (index));
+ }
Side_position_interface::set_axis (p, Y_AXIS);
- p->set_property ("script-priority", scm_int2num (prio));
}
void
Script_engraver::process_music ()
{
- int script_count = scripts_.size ();
- for (int i = 0; i < script_count; i++)
- {
+ for (int i = 0; i < scripts_.size(); i++)
+ {
Music *m = scripts_[i].event_;
Grob *p = make_item ("Script", m->self_scm ());
- make_script_from_event (p, &scripts_[i].description_, context (),
+ make_script_from_event (p, &scripts_[i].follow_into_staff_, context (),
m->get_property ("articulation-type"),
i);
}
}
+
void
-Script_engraver::acknowledge_grob (Grob_info info)
+Script_engraver::acknowledge_stem (Grob_info info)
{
int script_count = scripts_.size ();
- if (Stem::has_interface (info.grob_))
+ for (int i = 0; i < script_count; 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", info.grob_->self_scm ());
+ if (to_dir (e->get_property ("side-relative-direction")))
+ e->set_object ("direction-source", info.grob ()->self_scm ());
- /* FIXME: add dependency */
- e->add_dependency (info.grob_);
- Side_position_interface::add_support (e, info.grob_);
- }
+ /* FIXME: add dependency */
+ e->add_dependency (info.grob ());
+ Side_position_interface::add_support (e, info.grob ());
}
- else if (Rhythmic_head::has_interface (info.grob_))
+}
+
+void
+Script_engraver::acknowledge_rhythmic_head (Grob_info info)
+{
+ if(info.music_cause ())
{
- for (int i = 0; i < script_count; i++)
- {
+ for (int 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))
{
- e->set_parent (info.grob_, Y_AXIS);
- e->add_dependency (info.grob_);
+ e->set_parent (info.grob (), Y_AXIS);
+ e->add_dependency (info.grob ());
}
- Side_position_interface::add_support (e,info.grob_);
+ Side_position_interface::add_support (e, info.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.
+}
- 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_;
+void
+Script_engraver::acknowledge_note_column (Grob_info info)
+{
+ /* 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::before_line_breaking (). */
+
+ for (int i = 0; i < scripts_.size(); 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);
- }
+ if (!e->get_parent (X_AXIS)
+ && Side_position_interface::get_axis (e) == Y_AXIS)
+ e->set_parent (info.grob (), X_AXIS);
}
- else if (New_slur::has_interface (info.grob_))
- slur_ = dynamic_cast<Spanner*> (info.grob_);
+}
+
+void
+Script_engraver::acknowledge_slur (Grob_info info)
+{
+ slur_ = info.spanner ();
}
void
{
int script_count = scripts_.size ();
for (int i = 0; i < script_count; i++)
- if (Grob *sc = scripts_[i].script_)
+ if (scripts_[i].follow_into_staff_)
{
- 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);
- }
-
- /* Simplistic slur collision handling. This fixes simple collisions
- like
-
- a_\upbow( b)
-
- but it most probably breaks for more interesting cases.
- Maybe make a new colission engraver.
-
-
- Assume that a SCRIPT that should collide with SLUR does not
- have a negative priority. */
- SCM priority = sc->get_property ("script-priority");
-
-#if 0
- // this segfaults...
- int rank = Paper_column::get_rank (sc);
-#endif
-
- int rank = -1;
-#if 1
- // this always yields -1
- if (Item *i = dynamic_cast<Item*> (sc))
- if (i->get_column ())
- rank = i->get_column ()->rank_;
-#else
- // this always yields -1
- for (Grob *p = sc; p && rank < 0; p = p->get_parent (Y_AXIS))
- {
- if (Item *i = dynamic_cast<Item*> (p))
- if (i->get_column ())
- rank = i->get_column ()->rank_;
- }
-#endif
-
- if (robust_scm2int (priority, 0) >= 0
- && slur_
- && get_grob_direction (sc) == get_slur_dir (slur_)
- && (slur_->spanned_rank_iv ().contains (rank)
- /* I'm a bit out of ideas about and time to search for
- how to get our rank. Sue me. */
- || rank == -1))
- {
- Real ss = Staff_symbol_referencer::staff_space (sc);
- Real pad = robust_scm2double (sc->get_property ("padding"), 0);
-
- /* FIXME: 1ss padding hardcoded */
- sc->set_property ("padding", scm_make_real (pad + ss));
- }
+ Grob *sc = scripts_[i].script_;
+ sc->add_offset_callback (Side_position_interface
+ ::quantised_position_proc, Y_AXIS);
+ sc->set_property ("staff-padding", SCM_EOL);
}
+
scripts_.clear ();
}
-ENTER_DESCRIPTION (Script_engraver,
-/* descr */ "Handles note scripted articulations.",
-/* creats*/ "Script",
-/* accepts */ "script-event articulation-event",
-/* acks */ "stem-interface rhythmic-head-interface\
- new-slur-interface note-column-interface",
-/* reads */ "scriptDefinitions",
-/* write */ "");
+#include "translator.icc"
+
+ADD_ACKNOWLEDGER (Script_engraver, slur);
+ADD_ACKNOWLEDGER (Script_engraver, rhythmic_head);
+ADD_ACKNOWLEDGER (Script_engraver, stem);
+ADD_ACKNOWLEDGER (Script_engraver, note_column);
+
+ADD_TRANSLATOR (Script_engraver,
+ /* descr */ "Handles note scripted articulations.",
+ /* creats*/ "Script",
+ /* accepts */ "script-event articulation-event",
+ /* reads */ "scriptDefinitions",
+ /* write */ "");