Re: Using a glade file with a Gtk::Window-based class

[Michael <space3000 gmail com>]

You need to use get_widget_derived.
More info here:
http://library.gnome.org/devel/gtkmm-tutorial/unstable/sec-builder-using-derived-widgets.html.en

On Sat, 2010-06-19 at 11:33 -0700, Political Confusion wrote:
> I'm using gtkmm 2.20.3 on Ubuntu 10.04.  I have a simple GLADE file that works with the following code:
> 
>    Glib::RefPtr< Gtk::Builder > builder;
>    builder = Gtk::Builder::create_from_file( UI_FILE );
>    Gtk::Window* mainWindow = NULL;
>    builder->get_widget( "mainWindow", mainWindow );
> 
> After the get_widget call, mainWindow is a valid pointer.  If I create a class:
> 
>    class MainWindow : public Gtk::Window {};
> 
> and then try to use it:
> 
>    MainWindow* mainWindow = NULL;
>    builder->get_widget( "mainWindow", mainWindow );
> 
> mainWindow remains NULL.  Is it possible to load a GLADE file into a derived window class?
> 
> Thanks,
> 
> Michael
>    
> 
> 
>       
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