import QtQuick 1.0

Rectangle {
    color: "lightsteelblue"
    width: 240
    height: 25

    Text {
        id: myText
        text: "Press A, B or C"
    }

    Item {
        id: keyHandler
        focus: true
        Keys.onPressed: {
           if (event.key == Qt.Key_A)
             myText.text = 'Key A was pressed'
           else if (event.key == Qt.Key_B)
             myText.text = 'Key B was pressed'
           else if (event.key == Qt.Key_C)
             myText.text = 'Key C was pressed'
        }
    }
}