QML Tooltip issue when backend data are being updated

[nsourl]

Hi,

I have created a TableView and the third column is marked as an "error" column. So, when clicking on the MouseArea of each Label in the third column, I would like to show a ToolTip with some information about the system errors.

Αlthough the first time everything works as expected (image 1) when the ToolTip is still open and meanwhile the data on the backend (QAbstractTableModel) are being updated, the ToolTip loses its initial position (image 2). The source code is attached below to see how I handle the TableView and the TooTip.

Any idea why this is happening and how it could be resolved?

TableView {
    id: tableView
    
    property var columnWidths: [30, 50, 50, 40, 50, 55, 60, 40, 60, 60, 50, 45, 65, 65, 50, 50, 50, 65, 65]
    columnWidthProvider: function (column) { return columnWidths[column]; }
    rowHeightProvider: function (column) { return 50; }
    anchors.fill: parent
    anchors.margins: 0
    topMargin: columnsHeader.implicitHeight
    model: _TrackerMatrixModel
    boundsBehavior: Flickable.StopAtBounds
    ScrollBar.horizontal: ScrollBar{}
    ScrollBar.vertical: ScrollBar{}
    clip: true
    
    delegate: Rectangle {
        
        // Identify the column which is related to errors
        property bool isErrorCol: (column === 3) ? true : false
        property bool isEmptyCol: (display === "-") ? true : false
        color: (row % 2 === 0) ? Material.backgroundColor : "#333333"
        
        Label {
            id: trlbl
            text: isErrorCol ? (isEmptyCol ? "\uf058" : "\uf071") : display
            anchors.fill: parent
            anchors.margins: 10
            color: isErrorCol ? (isEmptyCol ? "#31a72c" : "#FDDA16") : "#67CBE4"
            font.pointSize: isErrorCol ? 20 : 11
            horizontalAlignment: Text.AlignHCenter
            verticalAlignment: Text.AlignVCenter
            
            ToolTip {
                id: customTooltip
                width: 300
            }
            
            MouseArea {
                id: ma
                anchors.fill: parent
                enabled: isErrorCol
                hoverEnabled: isErrorCol
                
                property string toolTipText: (display === "-") ? "No Errors" : display
                
                onClicked: {
                    customTooltip.x = ma.x + 40
                    customTooltip.y = ma.y
                    customTooltip.show(toolTipText)
                }
            }
        }
    }
}