Example 1 (tunneling)

import QtQuick 2.5
import QtQuick.Window 2.2
import QtQuick.Controls 1.4

Window {
    visible: true
    width: 640
    height: 480
    title: qsTr("Hello World")

    property int rightPressedCount: 0

    Item {
        width: childrenRect.width
        height: childrenRect.height
        Keys.onPressedPreview: {
            if (event.key === Qt.Key_Right) {
                console.log("Pressed")
                rightPressedCount++
            }
        }

        TextField {
            focus: true
        }
    }
}