2 #include <glib-object.h>
4 #define MY_TYPE_BADGER (my_badger_get_type ())
5 #define MY_BADGER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), MY_TYPE_BADGER, MyBadger))
6 #define MY_IS_BADGER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MY_TYPE_BADGER))
7 #define MY_BADGER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), MY_TYPE_BADGER, MyBadgerClass))
8 #define MY_IS_BADGER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), MY_TYPE_BADGER))
9 #define MY_BADGER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), MY_TYPE_BADGER, MyBadgerClass))
16 typedef struct _MyBadger MyBadger;
17 typedef struct _MyBadgerClass MyBadgerClass;
21 GObject parent_instance;
24 guint mama_notify_count;
29 GObjectClass parent_class;
32 static GType my_badger_get_type (void);
33 G_DEFINE_TYPE (MyBadger, my_badger, G_TYPE_OBJECT);
35 static void my_badger_dispose (GObject * object);
37 static void my_badger_get_property (GObject *object,
41 static void my_badger_set_property (GObject *object,
46 static void my_badger_mama_notify (GObject *object,
50 my_badger_class_init (MyBadgerClass * klass)
52 GObjectClass *gobject_class;
54 gobject_class = (GObjectClass *) klass;
56 gobject_class->dispose = my_badger_dispose;
58 gobject_class->get_property = my_badger_get_property;
59 gobject_class->set_property = my_badger_set_property;
61 g_object_class_install_property (gobject_class,
63 g_param_spec_object ("mama",
71 my_badger_init (MyBadger * self)
73 g_signal_connect (self, "notify::mama", G_CALLBACK (my_badger_mama_notify),
78 my_badger_dispose (GObject * object)
82 self = MY_BADGER (object);
84 if (self->mama != NULL)
86 g_object_unref (self->mama);
90 G_OBJECT_CLASS (my_badger_parent_class)->dispose (object);
94 my_badger_get_property (GObject *object,
101 self = MY_BADGER (object);
106 g_value_set_object (value, self->mama);
109 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
115 my_badger_set_property (GObject *object,
122 self = MY_BADGER (object);
128 g_object_unref (self->mama);
129 self->mama = g_value_dup_object (value);
131 g_object_set (self->mama, "mama", NULL, NULL); /* another notify */
134 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
140 my_badger_mama_notify (GObject *object,
145 self = MY_BADGER (object);
147 self->mama_notify_count++;
151 main (int argc, char **argv)
153 MyBadger * badger1, * badger2;
156 g_print ("START: %s\n", argv[0]);
157 g_log_set_always_fatal (G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL | g_log_set_always_fatal (G_LOG_FATAL_MASK));
159 badger1 = g_object_new (MY_TYPE_BADGER, NULL);
160 badger2 = g_object_new (MY_TYPE_BADGER, NULL);
162 g_object_set (badger1, "mama", badger2, NULL);
163 g_assert_cmpuint (badger1->mama_notify_count, ==, 1);
164 g_assert_cmpuint (badger2->mama_notify_count, ==, 1);
165 g_object_get (badger1, "mama", &test, NULL);
166 g_assert (test == badger2);
167 g_object_unref (test);
169 g_object_unref (badger1);
170 g_object_unref (badger2);