// Code from construct setting up image
    refXml->get_widget("imgMain", imgMain_);
    if (!imgMain_)
        throw std::runtime_error("Couldn't find main image in calc.glade");
    imgMain_->add_events(Gdk::POINTER_MOTION_MASK);
    imgMain_->signal_motion_notify_event().connect( sigc::mem_fun(*this, &mainWin::on_area_motion_notify_event));

//motion event function
bool mainWin::
on_area_motion_notify_event(GdkEventMotion* event)
{
    std::cout << "Motion Event" << std::endl;
}