moonlight-qt/app/gui/NavigableItemDelegate.qml

import QtQuick 2.0
import QtQuick.Controls 2.2

ItemDelegate {
    property GridView grid

    Keys.onLeftPressed: {
        grid.moveCurrentIndexLeft()
    }
    Keys.onRightPressed: {
        grid.moveCurrentIndexRight()
    }
    Keys.onDownPressed: {
        grid.moveCurrentIndexDown()
    }

    Keys.onUpPressed: {
        grid.moveCurrentIndexUp()
    }

    Keys.onReturnPressed: {
        clicked()
    }
}