oldest-source-stamp
stamp-gmarshal.h
testgruntime
+testoverride
.saved
+2001-12-14 James Henstridge <james@daa.com.au>
+
+ * Makefile.am: add rules to build it.
+
+ * testoverride.c: test program for closure override/chaining.
+
Thu Dec 13 08:03:17 2001 Tim Janik <timj@gtk.org>
* gsignal.c: implemented closure chaining.
#
bin_PROGRAMS = gobject-query glib-genmarshal
bin_SCRIPTS = glib-mkenums
-noinst_PROGRAMS = testgruntime
+noinst_PROGRAMS = testgruntime testoverride
# source files
gobject_query_SOURCES = gobject-query.c
glib_genmarshal_SOURCES = glib-genmarshal.c
testgruntime_SOURCES = testgruntime.c
+testoverride_SOURCES = testoverride.c
# link programs against libgobject
progs_LDADD = ./libgobject-1.3.la $(libglib)
glib_genmarshal_LDADD = $(libglib)
gobject_query_LDADD = $(progs_LDADD)
testgruntime_LDADD = $(progs_LDADD)
+testoverride_LDADD = $(progs_LDADD)
#
# manual pages to install
--- /dev/null
+/* -*- mode: C; c-basic-offset: 4 -*- */
+#include <glib.h>
+#include <glib-object.h>
+
+static guint foo_signal_id = 0;
+static guint bar_signal_id = 0;
+
+
+static GType test_i_get_type (void);
+static GType test_a_get_type (void);
+static GType test_b_get_type (void);
+static GType test_c_get_type (void);
+
+#define TEST_TYPE_I (test_i_get_type ())
+#define TEST_I(object) (G_TYPE_CHECK_INSTANCE_CAST((object), TEST_TYPE_I, TestI))
+#define TEST_I_CLASS(vtable) (G_TYPE_CHECK_CLASS_CAST((vtable), TEST_TYPE_I, TestIClass))
+#define TEST_IS_I(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), TEST_TYPE_I))
+#define TEST_IS_I_CLASS(vtable) (G_TYPE_CHECK_CLASS_TYPE((vtable), TEST_TYPE_I))
+#define TEST_I_GET_CLASS(object) (G_TYPE_INSTANCE_GET_INTERFACE((object), TEST_TYPE_I, TestIClass))
+
+typedef struct _TestI TestI;
+typedef struct _TestIClass TestIClass;
+
+struct _TestIClass {
+ GTypeInterface base_iface;
+};
+
+static void
+test_i_foo (TestI *self)
+{
+ g_print("TestI::foo called.\n");
+}
+
+
+static void
+test_i_base_init (gpointer g_class)
+{
+ static gboolean initialised = FALSE;
+
+ if (!initialised) {
+ foo_signal_id = g_signal_newv("foo",
+ TEST_TYPE_I,
+ G_SIGNAL_RUN_LAST,
+ g_cclosure_new(G_CALLBACK(test_i_foo),
+ NULL, NULL),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0, NULL);
+ }
+ initialised = TRUE;
+}
+
+static GType
+test_i_get_type (void)
+{
+ static GType type = 0;
+
+ if (!type) {
+ static const GTypeInfo type_info = {
+ sizeof (TestIClass),
+ (GBaseInitFunc) test_i_base_init, /* base_init */
+ NULL, /* base_finalize */
+ };
+
+ type = g_type_register_static (G_TYPE_INTERFACE, "TestI",
+ &type_info, 0);
+ }
+
+ return type;
+}
+
+
+
+#define TEST_TYPE_A (test_a_get_type())
+#define TEST_A(object) (G_TYPE_CHECK_INSTANCE_CAST((object), TEST_TYPE_A, TestA))
+#define TEST_A_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), TEST_TYPE_A, TestAClass))
+#define TEST_IS_A(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), TEST_TYPE_A))
+#define TEST_IS_A_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), TEST_TYPE_A))
+#define TEST_A_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), TEST_TYPE_A, TestAClass))
+
+typedef struct _TestA TestA;
+typedef struct _TestAClass TestAClass;
+
+struct _TestA {
+ GObject parent;
+};
+struct _TestAClass {
+ GObjectClass parent_class;
+
+ void (* bar) (TestA *self);
+};
+
+static void
+test_a_foo (TestI *self)
+{
+ GValue args[1] = { { 0, } };
+
+ g_print("TestA::foo called. Chaining up.\n");
+
+ g_value_init (&args[0], TEST_TYPE_A);
+ g_value_set_object (&args[0], self);
+
+ g_signal_chain_from_overridden (args, foo_signal_id, NULL);
+
+ g_value_unset (&args[0]);
+}
+
+static void
+test_a_bar (TestA *self)
+{
+ g_print("TestA::bar called.\n");
+}
+
+static void
+test_a_class_init (TestAClass *class)
+{
+ class->bar = test_a_bar;
+
+ bar_signal_id = g_signal_new("bar",
+ TEST_TYPE_A,
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (TestAClass, bar),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+}
+
+static void
+test_a_interface_init (TestIClass *iface)
+{
+ g_signal_override_class_closure (foo_signal_id,
+ TEST_TYPE_A,
+ g_cclosure_new (G_CALLBACK (test_a_foo),
+ NULL, NULL));
+}
+
+static GType
+test_a_get_type (void)
+{
+ static GType type = 0;
+
+ if (!type) {
+ static const GTypeInfo type_info = {
+ sizeof(TestAClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) test_a_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof(TestAClass),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) NULL,
+ };
+ static const GInterfaceInfo interface_info = {
+ (GInterfaceInitFunc) test_a_interface_init,
+ NULL,
+ NULL
+ };
+
+ type = g_type_register_static (G_TYPE_OBJECT, "TestA",
+ &type_info, 0);
+ g_type_add_interface_static (type, TEST_TYPE_I, &interface_info);
+ }
+
+ return type;
+}
+
+
+#define TEST_TYPE_B (test_b_get_type())
+#define TEST_B(object) (G_TYPE_CHECK_INSTANCE_CAST((object), TEST_TYPE_B, TestB))
+#define TEST_B_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), TEST_TYPE_B, TestBClass))
+#define TEST_IS_B(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), TEST_TYPE_B))
+#define TEST_IS_B_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), TEST_TYPE_B))
+#define TEST_B_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), TEST_TYPE_B, TestBClass))
+
+typedef struct _TestB TestB;
+typedef struct _TestBClass TestBClass;
+
+struct _TestB {
+ TestA parent;
+};
+struct _TestBClass {
+ TestAClass parent_class;
+};
+
+static void
+test_b_foo (TestA *self)
+{
+ GValue args[1] = { { 0, } };
+
+ g_print("TestB::foo called. Chaining up.\n");
+
+ g_value_init (&args[0], TEST_TYPE_A);
+ g_value_set_object (&args[0], self);
+
+ g_signal_chain_from_overridden (args, foo_signal_id, NULL);
+
+ g_value_unset (&args[0]);
+}
+
+static void
+test_b_bar (TestI *self)
+{
+ GValue args[1] = { { 0, } };
+
+ g_print("TestB::bar called. Chaining up.\n");
+
+ g_value_init (&args[0], TEST_TYPE_A);
+ g_value_set_object (&args[0], self);
+
+ g_signal_chain_from_overridden (args, bar_signal_id, NULL);
+
+ g_value_unset (&args[0]);
+}
+
+static void
+test_b_class_init (TestBClass *class)
+{
+ g_signal_override_class_closure (foo_signal_id,
+ TEST_TYPE_B,
+ g_cclosure_new (G_CALLBACK (test_b_foo),
+ NULL, NULL));
+ g_signal_override_class_closure (bar_signal_id,
+ TEST_TYPE_B,
+ g_cclosure_new (G_CALLBACK (test_b_bar),
+ NULL, NULL));
+}
+
+static GType
+test_b_get_type (void)
+{
+ static GType type = 0;
+
+ if (!type) {
+ static const GTypeInfo type_info = {
+ sizeof(TestBClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) test_b_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof(TestBClass),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) NULL,
+ };
+
+ type = g_type_register_static (TEST_TYPE_A, "TestB",
+ &type_info, 0);
+ }
+
+ return type;
+}
+
+
+#define TEST_TYPE_C (test_c_get_type())
+#define TEST_C(object) (G_TYPE_CHECK_INSTANCE_CAST((object), TEST_TYPE_C, TestC))
+#define TEST_C_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), TEST_TYPE_C, TestCClass))
+#define TEST_IS_C(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), TEST_TYPE_C))
+#define TEST_IS_C_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), TEST_TYPE_C))
+#define TEST_C_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), TEST_TYPE_C, TestCClass))
+
+typedef struct _TestC TestC;
+typedef struct _TestCClass TestCClass;
+
+struct _TestC {
+ TestB parent;
+};
+struct _TestCClass {
+ TestBClass parent_class;
+};
+
+static void
+test_c_foo (TestA *self)
+{
+ GValue args[1] = { { 0, } };
+
+ g_print("TestC::foo called. Chaining up.\n");
+
+ g_value_init (&args[0], TEST_TYPE_A);
+ g_value_set_object (&args[0], self);
+
+ g_signal_chain_from_overridden (args, foo_signal_id, NULL);
+
+ g_value_unset (&args[0]);
+}
+
+static void
+test_c_bar (TestI *self)
+{
+ GValue args[1] = { { 0, } };
+
+ g_print("TestC::bar called. Chaining up.\n");
+
+ g_value_init (&args[0], TEST_TYPE_A);
+ g_value_set_object (&args[0], self);
+
+ g_signal_chain_from_overridden (args, bar_signal_id, NULL);
+
+ g_value_unset (&args[0]);
+}
+
+static void
+test_c_class_init (TestBClass *class)
+{
+ g_signal_override_class_closure (foo_signal_id,
+ TEST_TYPE_C,
+ g_cclosure_new (G_CALLBACK (test_c_foo),
+ NULL, NULL));
+ g_signal_override_class_closure (bar_signal_id,
+ TEST_TYPE_C,
+ g_cclosure_new (G_CALLBACK (test_c_bar),
+ NULL, NULL));
+}
+
+static GType
+test_c_get_type (void)
+{
+ static GType type = 0;
+
+ if (!type) {
+ static const GTypeInfo type_info = {
+ sizeof(TestCClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) test_c_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof(TestCClass),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) NULL,
+ };
+
+ type = g_type_register_static (TEST_TYPE_B, "TestC",
+ &type_info, 0);
+ }
+
+ return type;
+}
+
+
+int
+main (int argc, char **argv)
+{
+ GObject *self;
+
+ g_type_init();
+
+ self = g_object_new(TEST_TYPE_A, NULL);
+ g_print("*** emiting foo on a TestA instance (expect chain A->I)\n");
+ g_signal_emit(self, foo_signal_id, 0);
+ g_print("*** emiting bar on a TestA instance\n");
+ g_signal_emit(self, bar_signal_id, 0);
+ g_object_unref(self);
+
+ g_print("\n");
+
+ self = g_object_new(TEST_TYPE_B, NULL);
+ g_print("*** emiting foo on a TestB instance (expect chain B->A->I)\n");
+ g_signal_emit(self, foo_signal_id, 0);
+ g_print("*** emiting bar on a TestB instance (expect chain B->A)\n");
+ g_signal_emit(self, bar_signal_id, 0);
+ g_object_unref(self);
+
+ g_print("\n");
+
+ self = g_object_new(TEST_TYPE_C, NULL);
+ g_print("*** emiting foo on a TestC instance (expect chain C->B->A->I)\n");
+ g_signal_emit(self, foo_signal_id, 0);
+ g_print("*** emiting bar on a TestC instance (expect chain C->B->A)\n");
+ g_signal_emit(self, bar_signal_id, 0);
+ g_object_unref(self);
+
+ return 0;
+}
--- /dev/null
+/* -*- mode: C; c-basic-offset: 4 -*- */
+#include <glib.h>
+#include <glib-object.h>
+
+static guint foo_signal_id = 0;
+static guint bar_signal_id = 0;
+
+
+static GType test_i_get_type (void);
+static GType test_a_get_type (void);
+static GType test_b_get_type (void);
+static GType test_c_get_type (void);
+
+#define TEST_TYPE_I (test_i_get_type ())
+#define TEST_I(object) (G_TYPE_CHECK_INSTANCE_CAST((object), TEST_TYPE_I, TestI))
+#define TEST_I_CLASS(vtable) (G_TYPE_CHECK_CLASS_CAST((vtable), TEST_TYPE_I, TestIClass))
+#define TEST_IS_I(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), TEST_TYPE_I))
+#define TEST_IS_I_CLASS(vtable) (G_TYPE_CHECK_CLASS_TYPE((vtable), TEST_TYPE_I))
+#define TEST_I_GET_CLASS(object) (G_TYPE_INSTANCE_GET_INTERFACE((object), TEST_TYPE_I, TestIClass))
+
+typedef struct _TestI TestI;
+typedef struct _TestIClass TestIClass;
+
+struct _TestIClass {
+ GTypeInterface base_iface;
+};
+
+static void
+test_i_foo (TestI *self)
+{
+ g_print("TestI::foo called.\n");
+}
+
+
+static void
+test_i_base_init (gpointer g_class)
+{
+ static gboolean initialised = FALSE;
+
+ if (!initialised) {
+ foo_signal_id = g_signal_newv("foo",
+ TEST_TYPE_I,
+ G_SIGNAL_RUN_LAST,
+ g_cclosure_new(G_CALLBACK(test_i_foo),
+ NULL, NULL),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0, NULL);
+ }
+ initialised = TRUE;
+}
+
+static GType
+test_i_get_type (void)
+{
+ static GType type = 0;
+
+ if (!type) {
+ static const GTypeInfo type_info = {
+ sizeof (TestIClass),
+ (GBaseInitFunc) test_i_base_init, /* base_init */
+ NULL, /* base_finalize */
+ };
+
+ type = g_type_register_static (G_TYPE_INTERFACE, "TestI",
+ &type_info, 0);
+ }
+
+ return type;
+}
+
+
+
+#define TEST_TYPE_A (test_a_get_type())
+#define TEST_A(object) (G_TYPE_CHECK_INSTANCE_CAST((object), TEST_TYPE_A, TestA))
+#define TEST_A_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), TEST_TYPE_A, TestAClass))
+#define TEST_IS_A(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), TEST_TYPE_A))
+#define TEST_IS_A_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), TEST_TYPE_A))
+#define TEST_A_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), TEST_TYPE_A, TestAClass))
+
+typedef struct _TestA TestA;
+typedef struct _TestAClass TestAClass;
+
+struct _TestA {
+ GObject parent;
+};
+struct _TestAClass {
+ GObjectClass parent_class;
+
+ void (* bar) (TestA *self);
+};
+
+static void
+test_a_foo (TestI *self)
+{
+ GValue args[1] = { { 0, } };
+
+ g_print("TestA::foo called. Chaining up.\n");
+
+ g_value_init (&args[0], TEST_TYPE_A);
+ g_value_set_object (&args[0], self);
+
+ g_signal_chain_from_overridden (args, foo_signal_id, NULL);
+
+ g_value_unset (&args[0]);
+}
+
+static void
+test_a_bar (TestA *self)
+{
+ g_print("TestA::bar called.\n");
+}
+
+static void
+test_a_class_init (TestAClass *class)
+{
+ class->bar = test_a_bar;
+
+ bar_signal_id = g_signal_new("bar",
+ TEST_TYPE_A,
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (TestAClass, bar),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+}
+
+static void
+test_a_interface_init (TestIClass *iface)
+{
+ g_signal_override_class_closure (foo_signal_id,
+ TEST_TYPE_A,
+ g_cclosure_new (G_CALLBACK (test_a_foo),
+ NULL, NULL));
+}
+
+static GType
+test_a_get_type (void)
+{
+ static GType type = 0;
+
+ if (!type) {
+ static const GTypeInfo type_info = {
+ sizeof(TestAClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) test_a_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof(TestAClass),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) NULL,
+ };
+ static const GInterfaceInfo interface_info = {
+ (GInterfaceInitFunc) test_a_interface_init,
+ NULL,
+ NULL
+ };
+
+ type = g_type_register_static (G_TYPE_OBJECT, "TestA",
+ &type_info, 0);
+ g_type_add_interface_static (type, TEST_TYPE_I, &interface_info);
+ }
+
+ return type;
+}
+
+
+#define TEST_TYPE_B (test_b_get_type())
+#define TEST_B(object) (G_TYPE_CHECK_INSTANCE_CAST((object), TEST_TYPE_B, TestB))
+#define TEST_B_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), TEST_TYPE_B, TestBClass))
+#define TEST_IS_B(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), TEST_TYPE_B))
+#define TEST_IS_B_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), TEST_TYPE_B))
+#define TEST_B_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), TEST_TYPE_B, TestBClass))
+
+typedef struct _TestB TestB;
+typedef struct _TestBClass TestBClass;
+
+struct _TestB {
+ TestA parent;
+};
+struct _TestBClass {
+ TestAClass parent_class;
+};
+
+static void
+test_b_foo (TestA *self)
+{
+ GValue args[1] = { { 0, } };
+
+ g_print("TestB::foo called. Chaining up.\n");
+
+ g_value_init (&args[0], TEST_TYPE_A);
+ g_value_set_object (&args[0], self);
+
+ g_signal_chain_from_overridden (args, foo_signal_id, NULL);
+
+ g_value_unset (&args[0]);
+}
+
+static void
+test_b_bar (TestI *self)
+{
+ GValue args[1] = { { 0, } };
+
+ g_print("TestB::bar called. Chaining up.\n");
+
+ g_value_init (&args[0], TEST_TYPE_A);
+ g_value_set_object (&args[0], self);
+
+ g_signal_chain_from_overridden (args, bar_signal_id, NULL);
+
+ g_value_unset (&args[0]);
+}
+
+static void
+test_b_class_init (TestBClass *class)
+{
+ g_signal_override_class_closure (foo_signal_id,
+ TEST_TYPE_B,
+ g_cclosure_new (G_CALLBACK (test_b_foo),
+ NULL, NULL));
+ g_signal_override_class_closure (bar_signal_id,
+ TEST_TYPE_B,
+ g_cclosure_new (G_CALLBACK (test_b_bar),
+ NULL, NULL));
+}
+
+static GType
+test_b_get_type (void)
+{
+ static GType type = 0;
+
+ if (!type) {
+ static const GTypeInfo type_info = {
+ sizeof(TestBClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) test_b_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof(TestBClass),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) NULL,
+ };
+
+ type = g_type_register_static (TEST_TYPE_A, "TestB",
+ &type_info, 0);
+ }
+
+ return type;
+}
+
+
+#define TEST_TYPE_C (test_c_get_type())
+#define TEST_C(object) (G_TYPE_CHECK_INSTANCE_CAST((object), TEST_TYPE_C, TestC))
+#define TEST_C_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), TEST_TYPE_C, TestCClass))
+#define TEST_IS_C(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), TEST_TYPE_C))
+#define TEST_IS_C_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), TEST_TYPE_C))
+#define TEST_C_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), TEST_TYPE_C, TestCClass))
+
+typedef struct _TestC TestC;
+typedef struct _TestCClass TestCClass;
+
+struct _TestC {
+ TestB parent;
+};
+struct _TestCClass {
+ TestBClass parent_class;
+};
+
+static void
+test_c_foo (TestA *self)
+{
+ GValue args[1] = { { 0, } };
+
+ g_print("TestC::foo called. Chaining up.\n");
+
+ g_value_init (&args[0], TEST_TYPE_A);
+ g_value_set_object (&args[0], self);
+
+ g_signal_chain_from_overridden (args, foo_signal_id, NULL);
+
+ g_value_unset (&args[0]);
+}
+
+static void
+test_c_bar (TestI *self)
+{
+ GValue args[1] = { { 0, } };
+
+ g_print("TestC::bar called. Chaining up.\n");
+
+ g_value_init (&args[0], TEST_TYPE_A);
+ g_value_set_object (&args[0], self);
+
+ g_signal_chain_from_overridden (args, bar_signal_id, NULL);
+
+ g_value_unset (&args[0]);
+}
+
+static void
+test_c_class_init (TestBClass *class)
+{
+ g_signal_override_class_closure (foo_signal_id,
+ TEST_TYPE_C,
+ g_cclosure_new (G_CALLBACK (test_c_foo),
+ NULL, NULL));
+ g_signal_override_class_closure (bar_signal_id,
+ TEST_TYPE_C,
+ g_cclosure_new (G_CALLBACK (test_c_bar),
+ NULL, NULL));
+}
+
+static GType
+test_c_get_type (void)
+{
+ static GType type = 0;
+
+ if (!type) {
+ static const GTypeInfo type_info = {
+ sizeof(TestCClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) test_c_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof(TestCClass),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) NULL,
+ };
+
+ type = g_type_register_static (TEST_TYPE_B, "TestC",
+ &type_info, 0);
+ }
+
+ return type;
+}
+
+
+int
+main (int argc, char **argv)
+{
+ GObject *self;
+
+ g_type_init();
+
+ self = g_object_new(TEST_TYPE_A, NULL);
+ g_print("*** emiting foo on a TestA instance (expect chain A->I)\n");
+ g_signal_emit(self, foo_signal_id, 0);
+ g_print("*** emiting bar on a TestA instance\n");
+ g_signal_emit(self, bar_signal_id, 0);
+ g_object_unref(self);
+
+ g_print("\n");
+
+ self = g_object_new(TEST_TYPE_B, NULL);
+ g_print("*** emiting foo on a TestB instance (expect chain B->A->I)\n");
+ g_signal_emit(self, foo_signal_id, 0);
+ g_print("*** emiting bar on a TestB instance (expect chain B->A)\n");
+ g_signal_emit(self, bar_signal_id, 0);
+ g_object_unref(self);
+
+ g_print("\n");
+
+ self = g_object_new(TEST_TYPE_C, NULL);
+ g_print("*** emiting foo on a TestC instance (expect chain C->B->A->I)\n");
+ g_signal_emit(self, foo_signal_id, 0);
+ g_print("*** emiting bar on a TestC instance (expect chain C->B->A)\n");
+ g_signal_emit(self, bar_signal_id, 0);
+ g_object_unref(self);
+
+ return 0;
+}
projects / platform / upstream / glib.git / commitdiff