The Gtk2::Buildable pod "PLAIN OBJECTS" reads like you can't build a
plain Glib::Object subclass at all unless you have the Gtk2::Buildable
interface on it. I suppose that's adapted from the gtk ref manual
GtkBuildable "Description",
In order to allow construction from a GtkBuilder UI description, an
object class must implement the GtkBuildable interface.
But is it true? The few lines below seem to work for me (gtk 2.20).
Gtk2::Builder seems fine on plain objects, at least as far as creating
and <property> settings.
use strict;
use warnings;
use Gtk2;
{
package Foo;
use strict;
use warnings;
use Glib;
use Glib::Object::Subclass
'Glib::Object',
properties => [Glib::ParamSpec->string
('mystring',
'mystring',
'Blurb.',
'', # default
Glib::G_PARAM_READWRITE),
];
}
my $builder = Gtk2::Builder->new;
$builder->add_from_string (<<'HERE');
<interface>
<object class="Foo" id="myfoo">
<property name="mystring">hello</property>
</object>
</interface>
HERE
my $foo = $builder->get_object('myfoo');
print $foo,"\n";
print $foo->get('mystring'),"\n";
print "interfaces: ",Glib::Type->list_interfaces('Foo'),"\n";
exit 0;
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