CMake/Tests/FindGTK2/gobject/main.c

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/* Taken from https://developer.gnome.org/gobject/stable/chapter-gobject.html
*/
#include <glib-object.h>
#define MAMAN_TYPE_BAR (maman_bar_get_type())
#define MAMAN_BAR(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), MAMAN_TYPE_BAR, MamanBar))
#define MAMAN_IS_BAR(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), MAMAN_TYPE_BAR))
#define MAMAN_BAR_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), MAMAN_TYPE_BAR, MamanBarClass))
#define MAMAN_IS_BAR_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), MAMAN_TYPE_BAR))
#define MAMAN_BAR_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), MAMAN_TYPE_BAR, MamanBarClass))
typedef struct _MamanBar MamanBar;
typedef struct _MamanBarClass MamanBarClass;
struct _MamanBar
{
GObject parent_instance;
/* instance members */
};
struct _MamanBarClass
{
GObjectClass parent_class;
/* class members */
};
/* will create maman_bar_get_type and set maman_bar_parent_class */
G_DEFINE_TYPE(MamanBar, maman_bar, G_TYPE_OBJECT);
static GObject* maman_bar_constructor(GType gtype, guint n_properties,
GObjectConstructParam* properties)
{
GObject* obj;
{
/* Always chain up to the parent constructor */
obj = G_OBJECT_CLASS(maman_bar_parent_class)
->constructor(gtype, n_properties, properties);
}
/* update the object state depending on constructor properties */
return obj;
}
static void maman_bar_class_init(MamanBarClass* klass)
{
GObjectClass* gobject_class = G_OBJECT_CLASS(klass);
gobject_class->constructor = maman_bar_constructor;
}
static void maman_bar_init(MamanBar* self)
{
/* initialize the object */
}
int main(int argc, char* argv[])
{
MamanBar* bar = g_object_new(MAMAN_TYPE_BAR, NULL);
g_object_unref(bar);
return 0;
}