app/SettingsDialog.qml

import QtQuick 2.9
import QtMultimedia 5.8
import QtQuick.Window 2.2
import QtQuick.Controls 2.2

Dialog {

    x: startButt.x
    y: startButt.y
    width: startButt.width
    height: startButt.height
    modal: false
    enabled: false

    enter: Transition {
        NumberAnimation { properties: "scale"; from: 0; to: 1; duration: 500; easing.type: Easing.InCubic }
    }

    exit: Transition {
        NumberAnimation { properties: "scale"; from: 1; to: 0; duration: 500; easing.type: Easing.OutCubic }
    }


    background: Rectangle {
        radius: width * 0.5
        color: "white"
        border.color: "grey"
        border.width: 1
        Label {
            text: "Options"
            font.pixelSize: headlineUnderline.width * 0.1
            anchors {
                horizontalCenter: parent.horizontalCenter
                top: parent.top
                topMargin: headlineUnderline.anchors.topMargin / 2 - height / 2
            }
        }

        Rectangle {
            id: headlineUnderline
            height: 1
            width: parent.width
            color: "grey"
            anchors {
                top: parent.top
                left: parent.left
                right: parent.right
                topMargin: parent.height * 0.15
                rightMargin: parent.radius - Math.sqrt(Math.pow(parent.radius,2)-Math.pow(parent.radius-anchors.topMargin,2))
                leftMargin: parent.radius - Math.sqrt(Math.pow(parent.radius,2)-Math.pow(parent.radius-anchors.topMargin,2))
            }
        }
    }
    Column {
        anchors.fill: parent

        ItemDelegate {
            id: connect_del
            anchors.fill: parent
            text: "connect"
            onClicked: {
//                connect_del.enabled = false
//                connect_del.text = _cppBuzzerConn.get("offset")
//                _cppBuzzerConn.connect()
//                connect_del.enabled = true
                connect_del.text = _cppBuzzerConn.test()

            }
        }
    }
}