On Sat, 2010-07-31 at 22:08 +0200, Sébastien Wilmet wrote: > > > 2010/7/31 Evan Nemerson <[email protected]> > On Sat, 2010-07-31 at 17:59 +0200, Sébastien Wilmet wrote: > > Hello! > > > > What I want to do is to implement a GtkAction derived class > which sets > > GtkActionClass:toolbar_item_type to > GTK_TYPE_MENU_TOOL_BUTTON in its > > class_init function. > > > Vala doesn't currently expose *Class structs in the bindings, > so AFAIK > what you're talking about can't be done easily. I'm not > exactly an > expert on GObject, but I think you should be able to hack > something > together by going creating bindings for GtkActionClass then > getting > access to it with GLib.Object.get_class. This is untested, but > you > should get the idea: > > > /* In a vapi */ > [Compact, CCode (cname = "GtkActionClass")] > public class GtkActionClass { > public GLib.Type menu_item_type; > public GLib.Type toolbar_item_type; > } > > /* Your code */ > unowned GtkActionClass ac = (GtkActionClass) this.get_class > (); > ac.toolbar_item_type = typeof (MenuToolButton); > > > I have this error: > error: Access to instance member `GLib.Object.get_class' denied
You aren't going to be able to access it from a static construct block. Try it from within a regular construct block. > > Also, in C the cast can be made because the first field in a Class > struct is the parent class. That doesn't really solve anything, since you don't have access to the instance from within a static constructor (hence the error about access to an *instance member* being denied). Whether you just cast or use the G_OBJECT_CLASS macro, you still need an instance. -Evan _______________________________________________ vala-list mailing list [email protected] http://mail.gnome.org/mailman/listinfo/vala-list
