/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1997--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
{
Context *o = get_outlet ();
Music *m = get_music ();
- SCM previous_value = o->get_property (m->get_property ("symbol"));
+
send_stream_event (o, "SetProperty", m->origin (),
- ly_symbol2scm ("symbol"), m->get_property ("symbol"),
- ly_symbol2scm ("value"), m->get_property ("value"));
+ ly_symbol2scm ("symbol"), m->get_property ("symbol"),
+ ly_symbol2scm ("value"), m->get_property ("value"),
+ ly_symbol2scm ("once"), m->get_property ("once"));
- /* For \once \set install a finalization hook to reset the property to the
- * previous value after the timestep */
- if (to_boolean (m->get_property ("once")))
- {
- Global_context *tg = get_outlet ()->get_global_context ();
- tg->add_finalization (scm_list_n (once_finalization_proc,
- o->self_scm (), m->self_scm (),
- ly_quote_scm (previous_value), SCM_UNDEFINED));
- }
-
Simple_music_iterator::process (mom);
}
void
-Property_unset_iterator::process (Moment m)
-{
- SCM sym = get_music ()->get_property ("symbol");
- send_stream_event (get_outlet (), "UnsetProperty", get_music ()->origin (),
- ly_symbol2scm ("symbol"), sym);
-
- Simple_music_iterator::process (m);
-}
-
-MAKE_SCHEME_CALLBACK (Property_iterator, once_finalization, 3);
-SCM
-Property_iterator::once_finalization (SCM ctx, SCM music, SCM previous_value)
+Property_unset_iterator::process (Moment mom)
{
- Music *m = unsmob_music (music);
- Context *c = unsmob_context (ctx);
+ Context *o = get_outlet ();
+ Music *m = get_music ();
- // Do not use UnsetProperty, which sets the default, but rather
- // cache the value before the \once \set command and restore it now
- send_stream_event (c, "SetProperty", m->origin (),
- ly_symbol2scm ("symbol"), m->get_property ("symbol"),
- ly_symbol2scm ("value"), previous_value);
+ send_stream_event (o, "UnsetProperty", m->origin (),
+ ly_symbol2scm ("symbol"), m->get_property ("symbol"),
+ ly_symbol2scm ("once"), m->get_property ("once"));
- return SCM_UNSPECIFIED;
-}
-
-void
-Property_iterator::do_quit ()
-{
+ Simple_music_iterator::process (mom);
}
bool
if (!g)
mus->origin ()->warning (_f ("not a grob name, `%s'",
- ly_symbol2string (sym)));
+ ly_symbol2string (sym)));
return g;
}
{
SCM grob_property_path = get_property_path (get_music ());
SCM val = get_music ()->get_property ("grob-value");
+ SCM once = get_music ()->get_property ("once");
if (to_boolean (get_music ()->get_property ("pop-first"))
- && !to_boolean (get_music ()->get_property ("once")))
- send_stream_event (get_outlet (), "Revert", get_music ()->origin (),
- ly_symbol2scm ("symbol"), sym,
- ly_symbol2scm ("property-path"), grob_property_path);
-
+ && !to_boolean (once))
+ send_stream_event (get_outlet (), "Revert", get_music ()->origin (),
+ ly_symbol2scm ("symbol"), sym,
+ ly_symbol2scm ("property-path"), grob_property_path);
+
send_stream_event (get_outlet (), "Override", get_music ()->origin (),
- ly_symbol2scm ("symbol"), sym,
- ly_symbol2scm ("property-path"), grob_property_path,
- ly_symbol2scm ("value"), val);
+ ly_symbol2scm ("symbol"), sym,
+ ly_symbol2scm ("property-path"), grob_property_path,
+ ly_symbol2scm ("once"), once,
+ ly_symbol2scm ("value"), val);
}
Simple_music_iterator::process (m);
}
-MAKE_SCHEME_CALLBACK (Push_property_iterator, once_finalization, 2);
-SCM
-Push_property_iterator::once_finalization (SCM ctx, SCM music)
-{
- Music *mus = unsmob_music (music);
- Context *c = unsmob_context (ctx);
-
- SCM sym = mus->get_property ("symbol");
- if (check_grob (mus, sym))
- {
- SCM grob_property_path = get_property_path (mus);
-
- send_stream_event (c, "Revert", mus->origin (),
- ly_symbol2scm ("symbol"), sym,
- ly_symbol2scm ("property-path"), grob_property_path);
- }
- return SCM_UNSPECIFIED;
-}
-
void
-Push_property_iterator::do_quit ()
+Pop_property_iterator::process (Moment mom)
{
- if (to_boolean (get_music ()->get_property ("once")))
- {
- SCM trans = get_outlet ()->self_scm ();
- SCM music = get_music ()->self_scm ();
-
- Global_context *tg = get_outlet ()->get_global_context ();
- tg->add_finalization (scm_list_n (once_finalization_proc,
- trans, music, SCM_UNDEFINED));
- }
-}
-
-void
-Pop_property_iterator::process (Moment m)
-{
- SCM sym = get_music ()->get_property ("symbol");
+ Music *m = get_music ();
+ SCM sym = m->get_property ("symbol");
- if (check_grob (get_music (), sym))
+ if (check_grob (m, sym))
{
- SCM grob_property_path = get_property_path (get_music ());
+ SCM grob_property_path = get_property_path (m);
- send_stream_event (get_outlet (), "Revert", get_music ()->origin (),
- ly_symbol2scm ("symbol"), sym,
- ly_symbol2scm ("property-path"), grob_property_path);
+ send_stream_event (get_outlet (), "Revert", m->origin (),
+ ly_symbol2scm ("symbol"), sym,
+ ly_symbol2scm ("once"), m->get_property ("once"),
+ ly_symbol2scm ("property-path"), grob_property_path);
}
- Simple_music_iterator::process (m);
+ Simple_music_iterator::process (mom);
}
IMPLEMENT_CTOR_CALLBACK (Pop_property_iterator);