/**
* tidy_stylable_iface_install_property:
* @iface: a #TidyStylableIface
* @owner_type: #GType of the style property owner
* @pspec: a #GParamSpec
*
* Installs a property for @owner_type using @pspec as the property
* description.
*
* This function should be used inside the #TidyStylableIface initialization
* function of a class, for instance:
*
* <informalexample><programlisting>
* G_DEFINE_TYPE_WITH_CODE (FooActor, foo_actor, CLUTTER_TYPE_ACTOR,
* G_IMPLEMENT_INTERFACE (TIDY_TYPE_STYLABLE,
* tidy_stylable_init));
* ...
* static void
* tidy_stylable_init (TidyStylableIface *iface)
* {
* static gboolean is_initialized = FALSE;
*
* if (!is_initialized)
* {
* ...
* tidy_stylable_iface_install_property (stylable,
* FOO_TYPE_ACTOR,
* g_param_spec_int ("x-spacing",
* "X Spacing",
* "Horizontal spacing",
* -1, G_MAXINT,
* 2,
* G_PARAM_READWRITE));
* ...
* }
* }
* </programlisting></informalexample>
*/
void
tidy_stylable_iface_install_property (TidyStylableIface *iface,
GType owner_type,
GParamSpec *pspec)
{
g_return_if_fail (TIDY_IS_STYLABLE_IFACE (iface));
g_return_if_fail (owner_type != G_TYPE_INVALID);
g_return_if_fail (G_IS_PARAM_SPEC (pspec));
g_return_if_fail (pspec->flags & G_PARAM_READABLE);
g_return_if_fail (!(pspec->flags & (G_PARAM_CONSTRUCT_ONLY | G_PARAM_CONSTRUCT
)));
if (g_param_spec_pool_lookup (style_property_spec_pool, pspec->name,
owner_type,
FALSE))
{
g_warning ("%s: class `%s' already contains a style property named `%s'",
G_STRLOC,
g_type_name (owner_type),
pspec->name);
return;
}
g_param_spec_ref_sink (pspec);
g_param_spec_set_qdata_full (pspec, quark_real_owner,
g_strdup (g_type_name (owner_type)),
g_free);
g_param_spec_pool_insert (style_property_spec_pool,
pspec,
owner_type);
}
void
gimp_procedure_add_return_value (GimpProcedure *procedure,
GParamSpec *pspec)
{
g_return_if_fail (GIMP_IS_PROCEDURE (procedure));
g_return_if_fail (G_IS_PARAM_SPEC (pspec));
procedure->values = g_renew (GParamSpec *, procedure->values,
procedure->num_values + 1);
procedure->values[procedure->num_values] = pspec;
g_param_spec_ref_sink (pspec);
procedure->num_values++;
}
/* Helper function to create a new encoder property object */
static GstVaapiEncoderPropData *
prop_new (gint id, GParamSpec * pspec)
{
GstVaapiEncoderPropData *prop;
if (!id || !pspec)
return NULL;
prop = g_slice_new (GstVaapiEncoderPropData);
if (!prop)
return NULL;
prop->prop = id;
prop->pspec = g_param_spec_ref_sink (pspec);
return prop;
}
static void
test_param_spec_char (void)
{
GParamSpec *pspec;
GValue value = { 0, };
gboolean modified;
pspec = g_param_spec_char ("char", "nick", "blurb",
20, 40, 30, G_PARAM_READWRITE);
//g_param_spec_ref_force_floating(pspec);
//g_assert(g_param_spec_is_floating(pspec));
g_param_spec_ref_sink(pspec);
g_assert (strcmp (g_param_spec_get_name (pspec), "char") == 0);
g_assert (strcmp (g_param_spec_get_nick (pspec), "nick") == 0);
g_assert (strcmp (g_param_spec_get_blurb (pspec), "blurb") == 0);
g_value_init (&value, G_TYPE_CHAR);
g_value_set_char (&value, 30);
g_assert (g_param_value_defaults (pspec, &value));
g_value_set_char (&value, 0);
modified = g_param_value_validate (pspec, &value);
g_assert (modified && g_value_get_char (&value) == 20);
g_value_set_char (&value, 20);
modified = g_param_value_validate (pspec, &value);
g_assert (!modified && g_value_get_char (&value) == 20);
g_value_set_char (&value, 40);
modified = g_param_value_validate (pspec, &value);
g_assert (!modified && g_value_get_char (&value) == 40);
g_value_set_char (&value, 60);
modified = g_param_value_validate (pspec, &value);
g_assert (modified && g_value_get_char (&value) == 40);
g_param_spec_unref (pspec);
}
void ParamSpec::incref() const
{
if ( m_obj )
g_param_spec_ref_sink( (GParamSpec*) m_obj );
}
