Binary package “libnm-gtk-dev” in ubuntu trusty

network management framework (dialogs development libraries)

 NetworkManager is a system network service that manages your network devices
 and connections, attempting to keep active network connectivity when
 available. It manages ethernet, WiFi, mobile broadband (WWAN), and PPPoE
 devices, and provides VPN integration with a variety of different VPN
 This package contains development libraries to use when building applications
 that need to display dialogs for wireless or mobile connections.