There is an impressive list of G1000 events in the docs... are any of them implemented?
G1000_PFD_FLIGHTPLAN_BUTTON,
G1000_PFD_PROCEDURE_BUTTON,
G1000_PFD_ZOOMIN_BUTTON,
G1000_PFD_ZOOMOUT_BUTTON,
G1000_PFD_DIRECTTO_BUTTON,
G1000_PFD_MENU_BUTTON,
G1000_PFD_CLEAR_BUTTON,
G1000_PFD_ENTER_BUTTON,
G1000_PFD_CURSOR_BUTTON,
G1000_PFD_GROUP_KNOB_INC,
G1000_PFD_GROUP_KNOB_DEC,
G1000_PFD_PAGE_KNOB_INC,
G1000_PFD_PAGE_KNOB_DEC,
G1000_PFD_SOFTKEY1,
G1000_PFD_SOFTKEY2,
G1000_PFD_SOFTKEY3,
G1000_PFD_SOFTKEY4,
G1000_PFD_SOFTKEY5,
G1000_PFD_SOFTKEY6,
G1000_PFD_SOFTKEY7,
G1000_PFD_SOFTKEY8,
G1000_PFD_SOFTKEY9,
G1000_PFD_SOFTKEY10,
G1000_PFD_SOFTKEY11,
G1000_PFD_SOFTKEY12,
G1000_MFD_FLIGHTPLAN_BUTTON,
G1000_MFD_PROCEDURE_BUTTON,
G1000_MFD_ZOOMIN_BUTTON,
G1000_MFD_ZOOMOUT_BUTTON,
G1000_MFD_DIRECTTO_BUTTON,
G1000_MFD_MENU_BUTTON,
G1000_MFD_CLEAR_BUTTON,
G1000_MFD_ENTER_BUTTON,
G1000_MFD_CURSOR_BUTTON,
G1000_MFD_GROUP_KNOB_INC,
G1000_MFD_GROUP_KNOB_DEC,
G1000_MFD_PAGE_KNOB_INC,
G1000_MFD_PAGE_KNOB_DEC,
G1000_MFD_SOFTKEY1,
G1000_MFD_SOFTKEY2,
G1000_MFD_SOFTKEY3,
G1000_MFD_SOFTKEY4,
G1000_MFD_SOFTKEY5,
G1000_MFD_SOFTKEY6,
G1000_MFD_SOFTKEY7,
G1000_MFD_SOFTKEY8,
G1000_MFD_SOFTKEY9,
G1000_MFD_SOFTKEY10,
G1000_MFD_SOFTKEY11,
G1000_MFD_SOFTKEY12,