g_variant_get_boolean () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
?? ()
g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0