* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
+#ifndef __G_TYPE_MODULE_H__
+#define __G_TYPE_MODULE_H__
+
#if !defined (__GLIB_GOBJECT_H_INSIDE__) && !defined (GOBJECT_COMPILATION)
#error "Only <glib-object.h> can be included directly."
#endif
-#ifndef __G_TYPE_MODULE_H__
-#define __G_TYPE_MODULE_H__
-
#include <gobject/gobject.h>
#include <gobject/genums.h>
#define G_IS_TYPE_MODULE_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), G_TYPE_TYPE_MODULE))
#define G_TYPE_MODULE_GET_CLASS(module) (G_TYPE_INSTANCE_GET_CLASS ((module), G_TYPE_TYPE_MODULE, GTypeModuleClass))
+/**
+ * GTypeModule:
+ * @name: the name of the module
+ *
+ * The members of the GTypeModule structure should not
+ * be accessed directly, except for the @name field.
+ */
struct _GTypeModule
{
GObject parent_instance;
gchar *name;
};
+/**
+ * GTypeModuleClass:
+ * @parent_class: the parent class
+ * @load: loads the module and registers one or more types using
+ * g_type_module_register_type().
+ * @unload: unloads the module
+ *
+ * In order to implement dynamic loading of types based on #GTypeModule,
+ * the @load and @unload functions in #GTypeModuleClass must be implemented.
+ */
struct _GTypeModuleClass
{
GObjectClass parent_class;
void (*reserved4) (void);
};
+/**
+ * G_DEFINE_DYNAMIC_TYPE:
+ * @TN: The name of the new type, in Camel case.
+ * @t_n: The name of the new type, in lowercase, with words
+ * separated by '_'.
+ * @T_P: The #GType of the parent type.
+ *
+ * A convenience macro for dynamic type implementations, which declares a
+ * class initialization function, an instance initialization function (see
+ * #GTypeInfo for information about these) and a static variable named
+ * @t_n<!-- -->_parent_class pointing to the parent class. Furthermore,
+ * it defines a <function>*_get_type()</function> and a static
+ * <function>*_register_type()</function> function for use in your
+ * <function>module_init()</function>.
+ * See G_DEFINE_DYNAMIC_TYPE_EXTENDED() for an example.
+ *
+ * Since: 2.14
+ */
#define G_DEFINE_DYNAMIC_TYPE(TN, t_n, T_P) G_DEFINE_DYNAMIC_TYPE_EXTENDED (TN, t_n, T_P, 0, {})
+/**
+ * G_DEFINE_DYNAMIC_TYPE_EXTENDED:
+ * @TypeName: The name of the new type, in Camel case.
+ * @type_name: The name of the new type, in lowercase, with words
+ * separated by '_'.
+ * @TYPE_PARENT: The #GType of the parent type.
+ * @flags: #GTypeFlags to pass to g_type_module_register_type()
+ * @CODE: Custom code that gets inserted in the *_get_type() function.
+ *
+ * A more general version of G_DEFINE_DYNAMIC_TYPE() which
+ * allows to specify #GTypeFlags and custom code.
+ *
+ * |[
+ * G_DEFINE_DYNAMIC_TYPE_EXTENDED (GtkGadget,
+ * gtk_gadget,
+ * GTK_TYPE_THING,
+ * 0,
+ * G_IMPLEMENT_INTERFACE_DYNAMIC (TYPE_GIZMO,
+ * gtk_gadget_gizmo_init));
+ * ]|
+ * expands to
+ * |[
+ * static void gtk_gadget_init (GtkGadget *self);
+ * static void gtk_gadget_class_init (GtkGadgetClass *klass);
+ * static void gtk_gadget_class_finalize (GtkGadgetClass *klass);
+ *
+ * static gpointer gtk_gadget_parent_class = NULL;
+ * static GType gtk_gadget_type_id = 0;
+ *
+ * static void gtk_gadget_class_intern_init (gpointer klass)
+ * {
+ * gtk_gadget_parent_class = g_type_class_peek_parent (klass);
+ * gtk_gadget_class_init ((GtkGadgetClass*) klass);
+ * }
+ *
+ * GType
+ * gtk_gadget_get_type (void)
+ * {
+ * return gtk_gadget_type_id;
+ * }
+ *
+ * static void
+ * gtk_gadget_register_type (GTypeModule *type_module)
+ * {
+ * const GTypeInfo g_define_type_info = {
+ * sizeof (GtkGadgetClass),
+ * (GBaseInitFunc) NULL,
+ * (GBaseFinalizeFunc) NULL,
+ * (GClassInitFunc) gtk_gadget_class_intern_init,
+ * (GClassFinalizeFunc) gtk_gadget_class_finalize,
+ * NULL, // class_data
+ * sizeof (GtkGadget),
+ * 0, // n_preallocs
+ * (GInstanceInitFunc) gtk_gadget_init,
+ * NULL // value_table
+ * };
+ * gtk_gadget_type_id = g_type_module_register_type (type_module,
+ * GTK_TYPE_THING,
+ * "GtkGadget",
+ * &g_define_type_info,
+ * (GTypeFlags) flags);
+ * {
+ * const GInterfaceInfo g_implement_interface_info = {
+ * (GInterfaceInitFunc) gtk_gadget_gizmo_init
+ * };
+ * g_type_module_add_interface (type_module, g_define_type_id, TYPE_GIZMO, &g_implement_interface_info);
+ * }
+ * }
+ * ]|
+ *
+ * Since: 2.14
+ */
#define G_DEFINE_DYNAMIC_TYPE_EXTENDED(TypeName, type_name, TYPE_PARENT, flags, CODE) \
static void type_name##_init (TypeName *self); \
static void type_name##_class_init (TypeName##Class *klass); \
static void type_name##_class_finalize (TypeName##Class *klass); \
static gpointer type_name##_parent_class = NULL; \
static GType type_name##_type_id = 0; \
-static void type_name##_class_intern_init (gpointer klass) \
+static gint TypeName##_private_offset; \
+\
+_G_DEFINE_TYPE_EXTENDED_CLASS_INIT(TypeName, type_name) \
+\
+static inline gpointer \
+type_name##_get_instance_private (TypeName *self) \
{ \
- type_name##_parent_class = g_type_class_peek_parent (klass); \
- type_name##_class_init ((TypeName##Class*) klass); \
+ return (G_STRUCT_MEMBER_P (self, TypeName##_private_offset)); \
} \
+\
GType \
type_name##_get_type (void) \
{ \
static void \
type_name##_register_type (GTypeModule *type_module) \
{ \
+ GType g_define_type_id G_GNUC_UNUSED; \
const GTypeInfo g_define_type_info = { \
sizeof (TypeName##Class), \
(GBaseInitFunc) NULL, \
#TypeName, \
&g_define_type_info, \
(GTypeFlags) flags); \
+ g_define_type_id = type_name##_type_id; \
{ CODE ; } \
}
+/**
+ * G_IMPLEMENT_INTERFACE_DYNAMIC:
+ * @TYPE_IFACE: The #GType of the interface to add
+ * @iface_init: The interface init function
+ *
+ * A convenience macro to ease interface addition in the @_C_ section
+ * of G_DEFINE_DYNAMIC_TYPE_EXTENDED(). See G_DEFINE_DYNAMIC_TYPE_EXTENDED()
+ * for an example.
+ *
+ * Note that this macro can only be used together with the
+ * G_DEFINE_DYNAMIC_TYPE_EXTENDED macros, since it depends on variable
+ * names from that macro.
+ *
+ * Since: 2.24
+ */
+#define G_IMPLEMENT_INTERFACE_DYNAMIC(TYPE_IFACE, iface_init) { \
+ const GInterfaceInfo g_implement_interface_info = { \
+ (GInterfaceInitFunc) iface_init, NULL, NULL \
+ }; \
+ g_type_module_add_interface (type_module, g_define_type_id, TYPE_IFACE, &g_implement_interface_info); \
+}
+
+#define G_ADD_PRIVATE_DYNAMIC(TypeName) { \
+ TypeName##_private_offset = sizeof (TypeName##Private); \
+}
+GLIB_AVAILABLE_IN_ALL
GType g_type_module_get_type (void) G_GNUC_CONST;
+GLIB_AVAILABLE_IN_ALL
gboolean g_type_module_use (GTypeModule *module);
+GLIB_AVAILABLE_IN_ALL
void g_type_module_unuse (GTypeModule *module);
+GLIB_AVAILABLE_IN_ALL
void g_type_module_set_name (GTypeModule *module,
const gchar *name);
+GLIB_AVAILABLE_IN_ALL
GType g_type_module_register_type (GTypeModule *module,
GType parent_type,
const gchar *type_name,
const GTypeInfo *type_info,
GTypeFlags flags);
+GLIB_AVAILABLE_IN_ALL
void g_type_module_add_interface (GTypeModule *module,
GType instance_type,
GType interface_type,
const GInterfaceInfo *interface_info);
+GLIB_AVAILABLE_IN_ALL
GType g_type_module_register_enum (GTypeModule *module,
const gchar *name,
const GEnumValue *const_static_values);
+GLIB_AVAILABLE_IN_ALL
GType g_type_module_register_flags (GTypeModule *module,
const gchar *name,
const GFlagsValue *const_static_values);