Re: Writing a class from type Gtk3::SourceView::CompletionProvider

GLib-GObject-WARNING **: cannot derive 'Provider' from
non-fundamental parent type 'GtkSourceCompletionProvider'
at /usr/local/lib/x86_64-linux-gnu/perl/5.20.2/Glib/Object/
line 235.

Definitely seems like the problem is that GktSourceCompletionProvider
is an interface and not a class. Try this (inspired by

package Provider;

use Glib qw/TRUE FALSE/;
use Gtk3::SourceView;
use Glib::Object::Subclass
    interfaces => [ 'Gtk3::SourceView::CompletionProvider' ];

# etc etc etc


At least it doesn't throw any errors for me when loaded - haven't taken
it any further. Also note that when you use Glib::Object::Subclass you
don't usually define a new() method yourself - it's automatically
created for you. You can initialize things in an INIT_INSTANCE()
method. If you haven't read the Glib::Object::Subclass tutorial yet you
should do so - sometimes you need to specifically enable signal
handlers, properties, etc in a specific way.


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