#include "context.hh"
#include "dispatcher.hh"
#include "engraver-group.hh"
+#include "global-context.hh"
#include "grob.hh"
#include "grob-properties.hh"
#include "paper-score.hh"
#include "translator-dispatch-list.hh"
#include "warn.hh"
-IMPLEMENT_LISTENER (Engraver_group, override);
void
Engraver_group::override (SCM sev)
{
- Stream_event *ev = Stream_event::unsmob (sev);
+ Stream_event *ev = unsmob<Stream_event> (sev);
+ SCM sym = ev->get_property ("symbol");
+ Grob_property_info gpi (context (), sym);
- Grob_property_info (context (), ev->get_property ("symbol"))
- .push (ev->get_property ("property-path"),
- ev->get_property ("value"));
+ if (to_boolean (ev->get_property ("once")))
+ {
+ SCM token = gpi.temporary_override (ev->get_property ("property-path"),
+ ev->get_property ("value"));
+ if (scm_is_pair (token))
+ if (Global_context *g = context ()->get_global_context ())
+ {
+ g->add_finalization (scm_list_4 (ly_context_matched_pop_property_proc,
+ context ()->self_scm (),
+ sym,
+ token));
+ }
+ }
+ else
+ gpi.push (ev->get_property ("property-path"),
+ ev->get_property ("value"));
}
-IMPLEMENT_LISTENER (Engraver_group, revert);
void
Engraver_group::revert (SCM sev)
{
- Stream_event *ev = Stream_event::unsmob (sev);
+ Stream_event *ev = unsmob<Stream_event> (sev);
+ SCM sym = ev->get_property ("symbol");
+ Grob_property_info gpi (context (), sym);
- Grob_property_info (context (), ev->get_property ("symbol"))
- .pop (ev->get_property ("property-path"));
+ if (to_boolean (ev->get_property ("once")))
+ {
+ SCM token = gpi.temporary_revert (ev->get_property ("property-path"));
+ if (scm_is_pair (token))
+ if (Global_context *g = context ()->get_global_context ())
+ {
+ g->add_finalization (scm_list_4 (ly_context_matched_pop_property_proc,
+ context ()->self_scm (),
+ sym,
+ token));
+ }
+ }
+ else
+ gpi.pop (ev->get_property ("property-path"));
}
void
Engraver_group::connect_to_context (Context *c)
{
Translator_group::connect_to_context (c);
- c->event_source ()->add_listener (GET_LISTENER (override), ly_symbol2scm ("Override"));
- c->event_source ()->add_listener (GET_LISTENER (revert), ly_symbol2scm ("Revert"));
+ c->event_source ()->add_listener (GET_LISTENER (Engraver_group, override), ly_symbol2scm ("Override"));
+ c->event_source ()->add_listener (GET_LISTENER (Engraver_group, revert), ly_symbol2scm ("Revert"));
}
void
Engraver_group::disconnect_from_context ()
{
- context ()->event_source ()->remove_listener (GET_LISTENER (override), ly_symbol2scm ("Override"));
- context ()->event_source ()->remove_listener (GET_LISTENER (revert), ly_symbol2scm ("Revert"));
+ context ()->event_source ()->remove_listener (GET_LISTENER (Engraver_group, override), ly_symbol2scm ("Override"));
+ context ()->event_source ()->remove_listener (GET_LISTENER (Engraver_group, revert), ly_symbol2scm ("Revert"));
Translator_group::disconnect_from_context ();
}
void
-Engraver_group::announce_grob (Grob_info info)
+Engraver_group::announce_grob (Grob_info info, Direction dir,
+ Context *reroute_context)
{
- announce_infos_.push_back (info);
+ announce_infos_.push_back (Announce_grob_info (info, dir));
- Context *dad_con = context_->get_parent_context ();
- if (info.rerouting_daddy_context_)
- {
- dad_con = info.rerouting_daddy_context_;
- info.rerouting_daddy_context_ = 0;
- }
+ Context *dad_con = reroute_context ? reroute_context
+ : context_->get_parent_context ();
Engraver_group *dad_eng
= dad_con
: 0;
if (dad_eng)
- dad_eng->announce_grob (info);
+ dad_eng->announce_grob (info, dir);
}
void
for (vsize j = 0; j < announce_infos_.size (); j++)
{
- Grob_info info = announce_infos_[j];
+ Announce_grob_info info = announce_infos_[j];
SCM meta = info.grob ()->get_property ("meta");
SCM nm = scm_assoc (name_sym, meta);
else
continue;
- SCM acklist = scm_hashq_ref (acknowledge_hash_table_drul_[info.start_end ()],
- nm, SCM_BOOL_F);
+ SCM ackhandle = scm_hashq_create_handle_x (acknowledge_hash_table_drul_[info.start_end ()],
+ nm, SCM_BOOL_F);
- Engraver_dispatch_list *dispatch
- = Engraver_dispatch_list::unsmob (acklist);
+ SCM acklist = scm_cdr (ackhandle);
- if (acklist == SCM_BOOL_F)
+ if (scm_is_false (acklist))
{
SCM ifaces
= scm_cdr (scm_assoc (ly_symbol2scm ("interfaces"), meta));
acklist = Engraver_dispatch_list::create (get_simple_trans_list (),
ifaces, info.start_end ());
- dispatch
- = Engraver_dispatch_list::unsmob (acklist);
-
- scm_hashq_set_x (acknowledge_hash_table_drul_[info.start_end ()], nm, acklist);
+ scm_set_cdr_x (ackhandle, acklist);
}
+ Engraver_dispatch_list *dispatch
+ = unsmob<Engraver_dispatch_list> (acklist);
+
if (dispatch)
dispatch->apply (info);
}
Ugh. This is slightly expensive. We could/should cache the value of
the group count?
*/
-int
-Engraver_group::pending_grob_count () const
+bool
+Engraver_group::pending_grobs () const
{
- int count = announce_infos_.size ();
+ if (!announce_infos_.empty ())
+ return true;
for (SCM s = context_->children_contexts ();
scm_is_pair (s); s = scm_cdr (s))
{
- Context *c = Context::unsmob (scm_car (s));
+ Context *c = unsmob<Context> (scm_car (s));
Engraver_group *group
= dynamic_cast<Engraver_group *> (c->implementation ());
- if (group)
- count += group->pending_grob_count ();
+ if (group && group->pending_grobs ())
+ return true;
}
- return count;
+ return false;
}
void
for (SCM s = context ()->children_contexts ();
scm_is_pair (s); s = scm_cdr (s))
{
- Context *c = Context::unsmob (scm_car (s));
+ Context *c = unsmob<Context> (scm_car (s));
Engraver_group *group
= dynamic_cast<Engraver_group *> (c->implementation ());
if (group)
announce_infos_.clear ();
}
}
- while (pending_grob_count () > 0);
+ while (pending_grobs ());
}
-Engraver_group::Engraver_group ()
+Preinit_Engraver_group::Preinit_Engraver_group ()
{
- acknowledge_hash_table_drul_[LEFT]
- = acknowledge_hash_table_drul_[RIGHT]
- = SCM_EOL;
+ acknowledge_hash_table_drul_.set (SCM_EOL, SCM_EOL);
+}
+Engraver_group::Engraver_group ()
+{
acknowledge_hash_table_drul_[LEFT] = scm_c_make_hash_table (61);
acknowledge_hash_table_drul_[RIGHT] = scm_c_make_hash_table (61);
}
projects / lilypond.git / blobdiff