static void
g_binding_get_property (GObject *gobject,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GBinding *binding = G_BINDING (gobject);
switch (prop_id)
{
case PROP_SOURCE:
g_value_set_object (value, binding->source);
break;
case PROP_SOURCE_PROPERTY:
g_value_set_string (value, binding->source_property);
break;
case PROP_TARGET:
g_value_set_object (value, binding->target);
break;
case PROP_TARGET_PROPERTY:
g_value_set_string (value, binding->target_property);
break;
case PROP_FLAGS:
g_value_set_flags (value, binding->flags);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
break;
}
}
static void
g_binding_finalize (GObject *gobject)
{
GBinding *binding = G_BINDING (gobject);
g_binding_unbind_internal (binding, FALSE);
G_OBJECT_CLASS (g_binding_parent_class)->finalize (gobject);
}
static void
g_binding_constructed (GObject *gobject)
{
GBinding *binding = G_BINDING (gobject);
/* assert that we were constructed correctly */
g_assert (binding->source != NULL);
g_assert (binding->target != NULL);
g_assert (binding->source_property != NULL);
g_assert (binding->target_property != NULL);
/* we assume a check was performed prior to construction - since
* g_object_bind_property_full() does it; we cannot fail construction
* anyway, so it would be hard for use to properly warn here
*/
binding->source_pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (binding->source), binding->source_property);
binding->target_pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (binding->target), binding->target_property);
g_assert (binding->source_pspec != NULL);
g_assert (binding->target_pspec != NULL);
/* set the default transformation functions here */
binding->transform_s2t = default_transform_to;
binding->transform_t2s = default_transform_from;
binding->transform_data = NULL;
binding->notify = NULL;
binding->source_notify = g_signal_connect (binding->source, "notify",
G_CALLBACK (on_source_notify),
binding);
g_object_weak_ref (binding->source, weak_unbind, binding);
add_binding_qdata (binding->source, binding);
if (binding->flags & G_BINDING_BIDIRECTIONAL)
binding->target_notify = g_signal_connect (binding->target, "notify",
G_CALLBACK (on_target_notify),
binding);
if (binding->target != binding->source)
{
g_object_weak_ref (binding->target, weak_unbind, binding);
add_binding_qdata (binding->target, binding);
}
}
static void
g_binding_finalize (GObject *gobject)
{
GBinding *binding = G_BINDING (gobject);
/* dispose of the transformation data */
if (binding->notify != NULL)
{
binding->notify (binding->transform_data);
binding->transform_data = NULL;
binding->notify = NULL;
}
/* we need this in case the source and target instance are still
* valid, and it was the GBinding that was unreferenced
*/
if (binding->source != NULL)
{
if (binding->source_notify != 0)
g_signal_handler_disconnect (binding->source, binding->source_notify);
g_object_weak_unref (binding->source, weak_unbind, binding);
remove_binding_qdata (binding->source, binding);
}
if (binding->target != NULL)
{
if (binding->target_notify != 0)
g_signal_handler_disconnect (binding->target, binding->target_notify);
g_object_weak_unref (binding->target, weak_unbind, binding);
remove_binding_qdata (binding->target, binding);
}
G_OBJECT_CLASS (g_binding_parent_class)->finalize (gobject);
}
GBinding* to_GBinding(void* obj) {
return G_BINDING(obj);
}
