static void
clutter_shader_effect_set_actor (ClutterActorMeta *meta,
ClutterActor *actor)
{
ClutterShaderEffect *self = CLUTTER_SHADER_EFFECT (meta);
ClutterShaderEffectPrivate *priv = self->priv;
ClutterActorMetaClass *parent;
if (!clutter_feature_available (CLUTTER_FEATURE_SHADERS_GLSL))
{
/* if we don't have support for GLSL shaders then we
* forcibly disable the ActorMeta
*/
g_warning ("Unable to use the ShaderEffect: the graphics hardware "
"or the current GL driver does not implement support "
"for the GLSL shading language.");
clutter_actor_meta_set_enabled (meta, FALSE);
return;
}
parent = CLUTTER_ACTOR_META_CLASS (clutter_shader_effect_parent_class);
parent->set_actor (meta, actor);
/* we keep a back pointer here */
priv->actor = clutter_actor_meta_get_actor (meta);
if (priv->actor == NULL)
return;
CLUTTER_NOTE (SHADER, "Preparing shader effect of type '%s'",
G_OBJECT_TYPE_NAME (meta));
}
static void
clutter_bind_constraint_set_actor (ClutterActorMeta *meta,
ClutterActor *new_actor)
{
ClutterBindConstraint *bind = CLUTTER_BIND_CONSTRAINT (meta);
ClutterActorMetaClass *parent;
if (new_actor != NULL &&
bind->source != NULL &&
clutter_actor_contains (new_actor, bind->source))
{
g_warning (G_STRLOC ": The source actor '%s' is contained "
"by the actor '%s' associated to the constraint "
"'%s'",
_clutter_actor_get_debug_name (bind->source),
_clutter_actor_get_debug_name (new_actor),
_clutter_actor_meta_get_debug_name (meta));
return;
}
/* store the pointer to the actor, for later use */
bind->actor = new_actor;
parent = CLUTTER_ACTOR_META_CLASS (clutter_bind_constraint_parent_class);
parent->set_actor (meta, new_actor);
}
static void
st_scroll_view_fade_set_actor (ClutterActorMeta *meta,
ClutterActor *actor)
{
StScrollViewFade *self = ST_SCROLL_VIEW_FADE (meta);
ClutterActorMetaClass *parent;
g_return_if_fail (actor == NULL || ST_IS_SCROLL_VIEW (actor));
if (self->shader == COGL_INVALID_HANDLE)
{
clutter_actor_meta_set_enabled (meta, FALSE);
return;
}
if (self->vadjustment)
{
g_signal_handlers_disconnect_by_func (self->vadjustment,
(gpointer)on_adjustment_changed,
self);
self->vadjustment = NULL;
}
if (self->hadjustment)
{
g_signal_handlers_disconnect_by_func (self->hadjustment,
(gpointer)on_adjustment_changed,
self);
self->hadjustment = NULL;
}
if (actor)
{
StScrollView *scroll_view = ST_SCROLL_VIEW (actor);
StScrollBar *vscroll = ST_SCROLL_BAR (st_scroll_view_get_vscroll_bar (scroll_view));
StScrollBar *hscroll = ST_SCROLL_BAR (st_scroll_view_get_hscroll_bar (scroll_view));
self->vadjustment = ST_ADJUSTMENT (st_scroll_bar_get_adjustment (vscroll));
self->hadjustment = ST_ADJUSTMENT (st_scroll_bar_get_adjustment (hscroll));
g_signal_connect (self->vadjustment, "changed",
G_CALLBACK (on_adjustment_changed),
self);
g_signal_connect (self->hadjustment, "changed",
G_CALLBACK (on_adjustment_changed),
self);
on_adjustment_changed (NULL, CLUTTER_EFFECT (self));
}
parent = CLUTTER_ACTOR_META_CLASS (st_scroll_view_fade_parent_class);
parent->set_actor (meta, actor);
/* we keep a back pointer here, to avoid going through the ActorMeta */
self->actor = clutter_actor_meta_get_actor (meta);
}
static void
clutter_path_constraint_set_actor (ClutterActorMeta *meta,
ClutterActor *new_actor)
{
ClutterPathConstraint *path = CLUTTER_PATH_CONSTRAINT (meta);
ClutterActorMetaClass *parent;
/* store the pointer to the actor, for later use */
path->actor = new_actor;
parent = CLUTTER_ACTOR_META_CLASS (clutter_path_constraint_parent_class);
parent->set_actor (meta, new_actor);
}
static void
clutter_align_constraint_set_actor (ClutterActorMeta *meta,
ClutterActor *new_actor)
{
ClutterAlignConstraint *align = CLUTTER_ALIGN_CONSTRAINT (meta);
ClutterActorMetaClass *parent;
/* store the pointer to the actor, for later use */
align->actor = new_actor;
parent = CLUTTER_ACTOR_META_CLASS (clutter_align_constraint_parent_class);
parent->set_actor (meta, new_actor);
}
static void
clutter_snap_constraint_set_actor (ClutterActorMeta *meta,
ClutterActor *new_actor)
{
ClutterSnapConstraint *self = CLUTTER_SNAP_CONSTRAINT (meta);
ClutterActorMetaClass *parent;
/* store the pointer to the actor, for later use */
self->actor = new_actor;
parent = CLUTTER_ACTOR_META_CLASS (clutter_snap_constraint_parent_class);
parent->set_actor (meta, new_actor);
}
static void
clutter_bind_constraint_set_actor (ClutterActorMeta *meta,
ClutterActor *new_actor)
{
ClutterBindConstraint *bind = CLUTTER_BIND_CONSTRAINT (meta);
ClutterActorMetaClass *parent;
/* store the pointer to the actor, for later use */
bind->actor = new_actor;
parent = CLUTTER_ACTOR_META_CLASS (clutter_bind_constraint_parent_class);
parent->set_actor (meta, new_actor);
}
