[gobject-introspection] Add an interface to Everything

[Johan Dahlin <johan src gnome org>]

commit ca0b5b6a4693c20e6750e6c055bb833c79a78ba2
Author: Tomeu Vizoso <tomeu sugarlabs org>
Date:   Tue May 5 18:33:55 2009 +0200

    Add an interface to Everything
---
 tests/everything/everything.c |   22 ++++++++++++++++++++++
 tests/everything/everything.h |   13 +++++++++++++
 2 files changed, 35 insertions(+), 0 deletions(-)

diff --git a/tests/everything/everything.c b/tests/everything/everything.c
index 7348a50..5e3e7ad 100644
--- a/tests/everything/everything.c
+++ b/tests/everything/everything.c
@@ -1004,3 +1004,25 @@ test_callback_infinte (TestCallbackUserData callback,
   return callback(user_data);
 }
 
+/* interface */
+
+static void
+test_interface_class_init(void *g_iface)
+{
+}
+
+GType
+test_interface_get_type(void)
+{
+    static GType type = 0;
+    if (type == 0) {
+        type = g_type_register_static_simple (G_TYPE_INTERFACE,
+                                              "TestInterface",
+                                              sizeof (TestInterfaceIface),
+                                              (GClassInitFunc) test_interface_class_init,
+                                              0, NULL, 0);
+    }
+
+    return type;
+}
+
diff --git a/tests/everything/everything.h b/tests/everything/everything.h
index b62b8bf..2af628f 100644
--- a/tests/everything/everything.h
+++ b/tests/everything/everything.h
@@ -226,5 +226,18 @@ int test_callback_thaw_notifications (void);
 int test_callback_infinte (TestCallbackUserData callback,
                            gpointer user_data);
 
+/* interface */
+#define TEST_TYPE_INTERFACE              (test_interface_get_type ())
+#define TEST_INTERFACE(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), TEST_TYPE_INTERFACE, TestInterface))
+#define TEST_IS_INTERFACE(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), TEST_TYPE_INTERFACE))
+#define TEST_INTERFACE_GET_IFACE(obj)    (G_TYPE_INSTANCE_GET_INTERFACE ((obj), TEST_TYPE_INTERFACE, TestInterfaceIface))
+
+typedef struct _TestInterfaceIface TestInterfaceIface;
+
+struct _TestInterfaceIface {
+    GTypeInterface base_iface;
+};
+
+GType test_interface_get_type (void) G_GNUC_CONST;
 
 #endif /* __GITESTTYPES_H__ */