Button {
id: selecttrack
onTracksrcChanged { ...
}

Button
        {
            id: selecttrack
            text: "No track selected"
            checkable: false
            width: screenwidth
            visible:tracksrc.checked
            onClicked:
            {
                console.log("Select track button clicked")
                pageStack.push(Qt.resolvedUrl("SelectTrackPage.qml"))
            }
}