* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
+
+#include <string.h>
+
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "TestObject"
#include <glib-object.h>
-#define TEST_TYPE_OBJECT (test_object_get_type ())
-#define TEST_OBJECT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), TEST_TYPE_OBJECT, TestObject))
-#define TEST_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TEST_TYPE_OBJECT, TestObjectClass))
-#define TEST_IS_OBJECT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), TEST_TYPE_OBJECT))
-#define TEST_IS_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TEST_TYPE_OBJECT))
-#define TEST_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TEST_TYPE_OBJECT, TestObjectClass))
-
-typedef struct _TestIface TestIface;
-typedef struct
-{
- GTypeInterface base_iface;
-} TestIfaceClass;
-typedef struct
-{
- GObject parent_instance;
-} TestObject;
-
+/* --- TestIface --- */
#define TEST_TYPE_IFACE (test_iface_get_type ())
#define TEST_IFACE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TEST_TYPE_IFACE, TestIface))
#define TEST_IS_IFACE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TEST_TYPE_IFACE))
-#define TEST_IFACE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), TEST_TYPE_IFACE, TestIfaceClass))
-
+#define TEST_IFACE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), TEST_TYPE_IFACE, TestIfaceClass))
+typedef struct _TestIface TestIface;
+typedef struct _TestIfaceClass TestIfaceClass;
+struct _TestIfaceClass
+{
+ GTypeInterface base_iface;
+ void (*print_string) (TestIface *tiobj,
+ const gchar *string);
+};
+static void iface_base_init (TestIfaceClass *iface);
+static void iface_base_finalize (TestIfaceClass *iface);
+static void print_foo (TestIface *tiobj,
+ const gchar *string);
GType
test_iface_get_type (void)
{
static const GTypeInfo test_iface_info =
{
sizeof (TestIfaceClass),
- NULL, /* base_init */
- NULL, /* base_finalize */
+ (GBaseInitFunc) iface_base_init, /* base_init */
+ (GBaseFinalizeFunc) iface_base_finalize, /* base_finalize */
};
test_iface_type = g_type_register_static (G_TYPE_INTERFACE, "TestIface", &test_iface_info, 0);
return test_iface_type;
}
+static guint iface_base_init_count = 0;
+static void
+iface_base_init (TestIfaceClass *iface)
+{
+ iface_base_init_count++;
+ if (iface_base_init_count == 1)
+ {
+ /* add signals here */
+ }
+}
+static void
+iface_base_finalize (TestIfaceClass *iface)
+{
+ iface_base_init_count--;
+ if (iface_base_init_count == 0)
+ {
+ /* destroy signals here */
+ }
+}
+static void
+print_foo (TestIface *tiobj,
+ const gchar *string)
+{
+ if (!string)
+ string = "<NULL>";
+ g_print ("Iface-FOO: \"%s\" from %p\n", string, tiobj);
+}
+static void
+test_object_test_iface_init (gpointer giface,
+ gpointer iface_data)
+{
+ TestIfaceClass *iface = giface;
-typedef struct
+ g_assert (iface_data == GUINT_TO_POINTER (42));
+
+ g_assert (G_TYPE_FROM_INTERFACE (iface) == TEST_TYPE_IFACE);
+
+ /* assert iface_base_init() was already called */
+ g_assert (iface_base_init_count > 0);
+
+ /* initialize stuff */
+ iface->print_string = print_foo;
+}
+void
+iface_print_string (TestIface *tiobj,
+ const gchar *string)
+{
+ TestIfaceClass *iface;
+
+ g_return_if_fail (TEST_IS_IFACE (tiobj));
+ g_return_if_fail (G_IS_OBJECT (tiobj)); /* ensured through prerequisite */
+
+ iface = TEST_IFACE_GET_CLASS (tiobj);
+ g_object_ref (tiobj);
+ iface->print_string (tiobj, string);
+ g_object_unref (tiobj);
+}
+
+
+/* --- TestObject --- */
+#define TEST_TYPE_OBJECT (test_object_get_type ())
+#define TEST_OBJECT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), TEST_TYPE_OBJECT, TestObject))
+#define TEST_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TEST_TYPE_OBJECT, TestObjectClass))
+#define TEST_IS_OBJECT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), TEST_TYPE_OBJECT))
+#define TEST_IS_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TEST_TYPE_OBJECT))
+#define TEST_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TEST_TYPE_OBJECT, TestObjectClass))
+typedef struct _TestObject TestObject;
+typedef struct _TestObjectClass TestObjectClass;
+struct _TestObject
+{
+ GObject parent_instance;
+};
+struct _TestObjectClass
{
GObjectClass parent_class;
gchar* (*test_signal) (TestObject *tobject,
TestIface *iface_object,
gpointer tdata);
-} TestObjectClass;
+};
+static void test_object_class_init (TestObjectClass *class);
+static void test_object_init (TestObject *tobject);
+static gboolean test_signal_accumulator (GSignalInvocationHint *ihint,
+ GValue *return_accu,
+ const GValue *handler_return,
+ gpointer data);
+static gchar* test_object_test_signal (TestObject *tobject,
+ TestIface *iface_object,
+ gpointer tdata);
+GType
+test_object_get_type (void)
+{
+ static GType test_object_type = 0;
+
+ if (!test_object_type)
+ {
+ static const GTypeInfo test_object_info =
+ {
+ sizeof (TestObjectClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) test_object_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (TestObject),
+ 5, /* n_preallocs */
+ (GInstanceInitFunc) test_object_init,
+ };
+ GInterfaceInfo iface_info = { test_object_test_iface_init, NULL, GUINT_TO_POINTER (42) };
+
+ test_object_type = g_type_register_static (G_TYPE_OBJECT, "TestObject", &test_object_info, 0);
+ g_type_add_interface_static (test_object_type, TEST_TYPE_IFACE, &iface_info);
+ }
+ return test_object_type;
+}
+static void
+test_object_class_init (TestObjectClass *class)
+{
+ /* GObjectClass *gobject_class = G_OBJECT_CLASS (class); */
+
+ class->test_signal = test_object_test_signal;
+
+ g_signal_new ("test-signal",
+ G_OBJECT_CLASS_TYPE (class),
+ G_SIGNAL_RUN_FIRST | G_SIGNAL_RUN_LAST | G_SIGNAL_RUN_CLEANUP,
+ G_STRUCT_OFFSET (TestObjectClass, test_signal),
+ test_signal_accumulator, NULL,
+ g_cclosure_marshal_STRING__OBJECT_POINTER,
+ G_TYPE_STRING, 2, TEST_TYPE_IFACE, G_TYPE_POINTER);
+}
static void
test_object_init (TestObject *tobject)
{
}
-
static gboolean
test_signal_accumulator (GSignalInvocationHint *ihint,
GValue *return_accu,
return TRUE;
}
-
static gchar*
test_object_test_signal (TestObject *tobject,
TestIface *iface_object,
return g_strdup ("<default_handler>");
}
+
+/* --- TestIface for DerivedObject --- */
static void
-test_object_class_init (TestObjectClass *class)
+print_bar (TestIface *tiobj,
+ const gchar *string)
{
- /* GObjectClass *gobject_class = G_OBJECT_CLASS (class); */
+ TestIfaceClass *parent_iface;
- class->test_signal = test_object_test_signal;
+ g_return_if_fail (TEST_IS_IFACE (tiobj));
+
+ if (!string)
+ string = "<NULL>";
+ g_print ("Iface-BAR: \"%s\" from %p\n", string, tiobj);
+
+ g_print ("chaining: ");
+ parent_iface = g_type_interface_peek_parent (TEST_IFACE_GET_CLASS (tiobj));
+ parent_iface->print_string (tiobj, string);
- g_signal_newc ("test-signal",
- G_OBJECT_CLASS_TYPE (class),
- G_SIGNAL_RUN_FIRST | G_SIGNAL_RUN_LAST | G_SIGNAL_RUN_CLEANUP,
- G_STRUCT_OFFSET (TestObjectClass, test_signal),
- test_signal_accumulator, NULL,
- g_cclosure_marshal_STRING__OBJECT_POINTER,
- G_TYPE_STRING, 2, TEST_TYPE_IFACE, G_TYPE_POINTER);
+ g_assert (g_type_interface_peek_parent (parent_iface) == NULL);
}
+static void
+derived_object_test_iface_init (gpointer giface,
+ gpointer iface_data)
+{
+ TestIfaceClass *iface = giface;
+
+ g_assert (iface_data == GUINT_TO_POINTER (87));
+
+ g_assert (G_TYPE_FROM_INTERFACE (iface) == TEST_TYPE_IFACE);
+
+ /* assert test_object_test_iface_init() was already called */
+ g_assert (iface->print_string == print_foo);
+
+ /* override stuff */
+ iface->print_string = print_bar;
+}
+
+
+/* --- DerivedObject --- */
+#define DERIVED_TYPE_OBJECT (derived_object_get_type ())
+#define DERIVED_OBJECT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), DERIVED_TYPE_OBJECT, DerivedObject))
+#define DERIVED_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), DERIVED_TYPE_OBJECT, DerivedObjectClass))
+#define DERIVED_IS_OBJECT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), DERIVED_TYPE_OBJECT))
+#define DERIVED_IS_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), DERIVED_TYPE_OBJECT))
+#define DERIVED_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), DERIVED_TYPE_OBJECT, DerivedObjectClass))
+typedef struct _TestObject DerivedObject;
+typedef struct _TestObjectClass DerivedObjectClass;
GType
-test_object_get_type (void)
+derived_object_get_type (void)
{
- static GType test_object_type = 0;
+ static GType derived_object_type = 0;
- if (!test_object_type)
+ if (!derived_object_type)
{
- static const GTypeInfo test_object_info =
+ static const GTypeInfo derived_object_info =
{
- sizeof (TestObjectClass),
+ sizeof (DerivedObjectClass),
NULL, /* base_init */
NULL, /* base_finalize */
- (GClassInitFunc) test_object_class_init,
+ NULL, /* class_init */
NULL, /* class_finalize */
NULL, /* class_data */
- sizeof (TestObject),
+ sizeof (DerivedObject),
5, /* n_preallocs */
- (GInstanceInitFunc) test_object_init,
+ NULL, /* instance_init */
};
- GInterfaceInfo iface_info = { NULL, NULL, NULL };
+ GInterfaceInfo iface_info = { derived_object_test_iface_init, NULL, GUINT_TO_POINTER (87) };
- test_object_type = g_type_register_static (G_TYPE_OBJECT, "TestObject", &test_object_info, 0);
- g_type_add_interface_static (test_object_type, TEST_TYPE_IFACE, &iface_info);
+ derived_object_type = g_type_register_static (TEST_TYPE_OBJECT, "DerivedObject", &derived_object_info, 0);
+ g_type_add_interface_static (derived_object_type, TEST_TYPE_IFACE, &iface_info);
}
- return test_object_type;
+ return derived_object_type;
}
-
+/* --- main --- */
int
main (int argc,
char *argv[])
{
- TestObject *tobject, *sigarg;
+ GTypeInfo info = { 0, };
+ GTypeFundamentalInfo finfo = { 0, };
+ GType type;
+ TestObject *sigarg;
+ DerivedObject *dobject;
gchar *string = NULL;
g_log_set_always_fatal (g_log_set_always_fatal (G_LOG_FATAL_MASK) |
G_LOG_LEVEL_CRITICAL);
g_type_init_with_debug_flags (G_TYPE_DEBUG_OBJECTS | G_TYPE_DEBUG_SIGNALS);
- tobject = g_object_new (TEST_TYPE_OBJECT, NULL);
+ /* test new fundamentals */
+ g_assert (G_TYPE_MAKE_FUNDAMENTAL (G_TYPE_RESERVED_USER_FIRST) == g_type_fundamental_next ());
+ type = g_type_register_fundamental (g_type_fundamental_next (), "FooShadow1", &info, &finfo, 0);
+ g_assert (G_TYPE_MAKE_FUNDAMENTAL (G_TYPE_RESERVED_USER_FIRST + 1) == g_type_fundamental_next ());
+ type = g_type_register_fundamental (g_type_fundamental_next (), "FooShadow2", &info, &finfo, 0);
+ g_assert (G_TYPE_MAKE_FUNDAMENTAL (G_TYPE_RESERVED_USER_FIRST + 2) == g_type_fundamental_next ());
+ g_assert (g_type_from_name ("FooShadow1") == G_TYPE_MAKE_FUNDAMENTAL (G_TYPE_RESERVED_USER_FIRST));
+ g_assert (g_type_from_name ("FooShadow2") == G_TYPE_MAKE_FUNDAMENTAL (G_TYPE_RESERVED_USER_FIRST + 1));
+
+ /* to test past class initialization interface setups, create the class here */
+ g_type_class_ref (TEST_TYPE_OBJECT);
+
+ dobject = g_object_new (DERIVED_TYPE_OBJECT, NULL);
sigarg = g_object_new (TEST_TYPE_OBJECT, NULL);
- g_signal_emit_by_name (tobject, "test-signal", sigarg, NULL, &string);
+
+ g_print ("MAIN: emit test-signal:\n");
+ g_signal_emit_by_name (dobject, "test-signal", sigarg, NULL, &string);
g_message ("signal return: \"%s\"", string);
+ g_assert (strcmp (string, "<default_handler><default_handler>") == 0);
g_free (string);
+
+ g_print ("MAIN: call iface print-string on test and derived object:\n");
+ iface_print_string (TEST_IFACE (sigarg), "iface-string-from-test-type");
+ iface_print_string (TEST_IFACE (dobject), "iface-string-from-derived-type");
g_object_unref (sigarg);
- g_object_unref (tobject);
+ g_object_unref (dobject);
g_message ("%s done", argv[0]);
projects / platform / upstream / glib.git / blobdiff