On 4 September 2017 at 15:03, Kouhei Sutou <kou@xxxxxxxxxxxx> wrote: > Hi, > > We need to write common codes for GObject like the > followings: > > #define GTK_TYPE_WIDGET (gtk_widget_get_type ()) > #define GTK_WIDGET(widget) (G_TYPE_CHECK_INSTANCE_CAST ((widget), GTK_TYPE_WIDGET, GtkWidget)) > #define GTK_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_WIDGET, GtkWidgetClass)) > #define GTK_IS_WIDGET(widget) (G_TYPE_CHECK_INSTANCE_TYPE ((widget), GTK_TYPE_WIDGET)) > #define GTK_IS_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WIDGET)) > #define GTK_WIDGET_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_WIDGET, GtkWidgetClass)) > > > How do you write them? > d. Other Use G_DECLARE_FINAL_TYPE and G_DECLARE_DERIVABLE_TYPE from GObject. https://developer.gnome.org/gobject/stable/howto-gobject.html#howto-gobject-header Ciao, Emmanuele. -- https://www.bassi.io [@] ebassi [@gmail.com] _______________________________________________ gtk-list mailing list gtk-list@xxxxxxxxx https://mail.gnome.org/mailman/listinfo/gtk-list
