// The handler is most likely on the back of the events list,
    // so look there first, otherwise do a complete search.
    if(handlers.back() == ptr) {
        if(*focused_handler == ptr) {
            --focused_handler;
        }

        handlers.erase(handlers.back());
    } else {
        const handler_list::iterator i = std::find(handlers.begin(), handlers.end(), ptr);

        if(i == handlers.end()) { return false; }

        if(focused_handler == i) {
            focused_handler ~= handlers.begin() ? --focused_handler : ++focused_handler;
        }

        handlers.erase(i);
    }