From f15dcf60e62257a1a9ee04e18d98d641af1a23b9 Mon Sep 17 00:00:00 2001 From: James Henstridge Date: Fri, 14 Dec 2001 04:48:56 +0000 Subject: [PATCH] add rules to build it. 2001-12-14 James Henstridge * Makefile.am: add rules to build it. * testoverride.c: test program for closure override/chaining. --- gobject/.cvsignore | 1 + gobject/ChangeLog | 6 + gobject/Makefile.am | 4 +- gobject/testoverride.c | 374 +++++++++++++++++++++++++++++++++++++++++++++++ tests/gobject/override.c | 374 +++++++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 758 insertions(+), 1 deletion(-) create mode 100644 gobject/testoverride.c create mode 100644 tests/gobject/override.c diff --git a/gobject/.cvsignore b/gobject/.cvsignore index 954f99c..edc0f9a 100644 --- a/gobject/.cvsignore +++ b/gobject/.cvsignore @@ -26,4 +26,5 @@ gmarshal.strings oldest-source-stamp stamp-gmarshal.h testgruntime +testoverride .saved diff --git a/gobject/ChangeLog b/gobject/ChangeLog index 8d20b3a..f8acf1f 100644 --- a/gobject/ChangeLog +++ b/gobject/ChangeLog @@ -1,3 +1,9 @@ +2001-12-14 James Henstridge + + * Makefile.am: add rules to build it. + + * testoverride.c: test program for closure override/chaining. + Thu Dec 13 08:03:17 2001 Tim Janik * gsignal.c: implemented closure chaining. diff --git a/gobject/Makefile.am b/gobject/Makefile.am index 5184fef..0b80da4 100644 --- a/gobject/Makefile.am +++ b/gobject/Makefile.am @@ -183,16 +183,18 @@ libgobject_1_3_la_SOURCES = $(gruntime_target_sources) # 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 diff --git a/gobject/testoverride.c b/gobject/testoverride.c new file mode 100644 index 0000000..d8bbb1e --- /dev/null +++ b/gobject/testoverride.c @@ -0,0 +1,374 @@ +/* -*- mode: C; c-basic-offset: 4 -*- */ +#include +#include + +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; +} diff --git a/tests/gobject/override.c b/tests/gobject/override.c new file mode 100644 index 0000000..d8bbb1e --- /dev/null +++ b/tests/gobject/override.c @@ -0,0 +1,374 @@ +/* -*- mode: C; c-basic-offset: 4 -*- */ +#include +#include + +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; +} -- 2.7.4