[Vala] Fwd: Re: GTK and Property problems

[Andrew <rugby471 gmail com>]

On 26/06/10 09:13, pHilipp Zabel wrote:
> On Sat, Jun 26, 2010 at 9:36 AM, Andrew <rugby471 gmail com> wrote:
> > HI guys,
> >
> > Perhaps the simplest way to ask this is, could anyone tell me why when
> > the attached file (Genie) is compiled and then run, do I get these error
> > messages?
> >
> > (wasiliana:2710): Gtk-CRITICAL **: gtk_container_add: assertion
> > `GTK_IS_CONTAINER (container)' failed
> > (wasiliana:2710): GLib-GObject-WARNING **: invalid (NULL) pointer instance
> > (wasiliana:2710): GLib-GObject-CRITICAL **: g_signal_connect_object:
> > assertion `G_TYPE_CHECK_INSTANCE (instance)' failed
>
> You are accessing the MainWindow.scrolled_window property from
> wMain.init, but you never assigned anything to it. In MainWindow.init
> you are creating local variables for the widgets, you could try this
> to assign them to the object properties:
>
> --- a/main.gs 2010-06-26 10:00:46.000000000 +0200
> +++ b/main.gs 2010-06-26 10:07:58.000000000 +0200
> @@ -63,6 +63,10 @@
>          vbox.pack_start(scrolled_window, true, true)
>          this.add(vbox)
>
> +        this.scrolled_window = scrolled_window
> +        this.toolbar = toolbar
> +        this.forward_button = forward_button
> +        this.location_entry = location_entry
>
>      def on_mainwindow_delete_event() : bool
>          this.hide()
>
> regards
> Philipp

Thankyou very much :-)

One last question, is this the most efficient way to do it? It seems
like a lot of duplication.

-- 
Andrew