-my $window = $x->root->create_child(
- class => WINDOW_CLASS_INPUT_OUTPUT,
- rect => [ 0, 0, 30, 30],
- background_color => '#C0C0C0',
- # replace the type with 'utility' as soon as the coercion works again in X11::XCB
- window_type => $x->atom(name => '_NET_WM_WINDOW_TYPE_UTILITY'),
- event_mask => [ 'structure_notify' ],
-);