import QtQuick 2.2
import QtQuick.Controls 2.15

Window {
    visible: true
    width: 640
    height: 480
    SpinBox {
        id: spinbox
        editable: true
        from: 1*1000
        value: 1234*1000
        to: 2000 * 1000 + 1
        stepSize: 1
        locale: Qt.locale("C")
        anchors.centerIn: parent

        property int decimals: 3
        property real realValue: value / 1000

        validator: DoubleValidator {
            bottom: Math.min(spinbox.from, spinbox.to)
            top:  Math.max(spinbox.from, spinbox.to)
            locale: "C"
        }

        textFromValue: function(value, locale) {
            return Number(value / 1000).toLocaleString(locale, 'f', spinbox.decimals)
        }

        valueFromText: function(text, locale) {
            return Number.fromLocaleString(locale, text) * 1000
        }
    }

}