static GObject *
constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_properties)
{
gpointer klass = g_type_class_peek(GEGL_TYPE_OPERATION_META_JSON);
GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
GObject *obj = gobject_class->constructor(type, n_construct_properties, construct_properties);
JsonOpClass *json_op_class = G_TYPE_INSTANCE_GET_CLASS(obj, type, JsonOpClass);
JsonOp *json_op = (JsonOp *)obj;
json_op->json_root = json_op_class->json_root; // to avoid looking up via class/gtype
return obj;
}
/**
* go_combo_box_set_title
* @combo: Combo box
* @title: Title
*
* Set a title to display over the tearoff window.
*
* FIXME:
*
* This should really change the title even when the popup is already torn off.
* I guess the tearoff window could attach a listener to title change or
* something. But I don't think we need the functionality, so I didn't bother
* to investigate.
*
* MW: Just make it a property.
*/
void
go_combo_box_set_title (GOComboBox *combo, char const *title)
{
GOComboBoxClass *klass = G_TYPE_INSTANCE_GET_CLASS (combo,
GO_COMBO_BOX_TYPE, GOComboBoxClass);
g_return_if_fail (klass != NULL);
g_object_set_data_full (G_OBJECT (combo), "go-combo-title",
g_strdup (title), (GDestroyNotify) g_free);
if (klass->set_title)
(klass->set_title) (combo, title);
}
int main ()
{
g_type_init ();
Base *base = (Base *) g_type_create_instance (base_get_type ());
base_class_set_i (101);
base_instance_set_i (base, 201);
Derived *derived = (Derived *) g_type_create_instance (derived_get_type ());
derived_instance_set_i (derived, 401);
/* test polymorphism */
Base *instance [2] = { base, (Base *) derived};
int i;
for (i = 0; i < 2; i++)
{
Base *inst = instance [i];
BaseClass *klass = G_TYPE_INSTANCE_GET_CLASS (inst, base_get_type (), BaseClass);
klass -> base_instance_dump (inst);
}
return 0;
}
