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
st_adjustment_constructed (GObject *object)
{
GObjectClass *g_class;
StAdjustment *self = ST_ADJUSTMENT (object);
g_class = G_OBJECT_CLASS (st_adjustment_parent_class);
/* The docs say we're suppose to chain up, but would crash without
* some extra care. */
if (g_class && g_class->constructed &&
g_class->constructed != st_adjustment_constructed)
{
g_class->constructed (object);
}
ST_ADJUSTMENT (self)->priv->is_constructing = FALSE;
st_adjustment_clamp_page (self, self->priv->lower, self->priv->upper);
}
static void
st_adjustment_set_property (GObject *gobject,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
StAdjustment *adj = ST_ADJUSTMENT (gobject);
switch (prop_id)
{
case PROP_LOWER:
st_adjustment_set_lower (adj, g_value_get_double (value));
break;
case PROP_UPPER:
st_adjustment_set_upper (adj, g_value_get_double (value));
break;
case PROP_VALUE:
st_adjustment_set_value (adj, g_value_get_double (value));
break;
case PROP_STEP_INC:
st_adjustment_set_step_increment (adj, g_value_get_double (value));
break;
case PROP_PAGE_INC:
st_adjustment_set_page_increment (adj, g_value_get_double (value));
break;
case PROP_PAGE_SIZE:
st_adjustment_set_page_size (adj, g_value_get_double (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
break;
}
}
static void
st_adjustment_get_property (GObject *gobject,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
StAdjustmentPrivate *priv = st_adjustment_get_instance_private (ST_ADJUSTMENT (gobject));
switch (prop_id)
{
case PROP_LOWER:
g_value_set_double (value, priv->lower);
break;
case PROP_UPPER:
g_value_set_double (value, priv->upper);
break;
case PROP_VALUE:
g_value_set_double (value, priv->value);
break;
case PROP_STEP_INC:
g_value_set_double (value, priv->step_increment);
break;
case PROP_PAGE_INC:
g_value_set_double (value, priv->page_increment);
break;
case PROP_PAGE_SIZE:
g_value_set_double (value, priv->page_size);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
break;
}
}
