Qt QML ComboBox 覆盖滚轮事件

有没有办法覆盖 ComboBox MouseArea 以忽略滚轮事件而不是更改当前索引？ ComboBox 本身没有选项可以更改滚轮焦点行为。到目前为止，我尝试使用如下代码覆盖 CB MouseArea 的 onWheel：

ComboBox {
  Component.onCompleted: {
    for (var i = 0; i < combobox_ctrl.children.length; ++i) {
      console.log(combobox_ctrl.children[i])
      console.log(combobox_ctrl.children[i].hasOwnProperty('onWheel'))

      if (combobox_ctrl.children[i].hasOwnProperty('onWheel')) {
        console.log(combobox_ctrl.children[i]['onWheel'])
        combobox_ctrl.children[i]['onWheel'] = function() { console.log("CB on wheel!") }
        //combobox_ctrl.children[i]onWheel = function() { console.log("CB on wheel!") 
        //combobox_ctrl.children[i].destroy()
      }
    }
  }
}

但我得到

类型错误：无法分配给只读属性“wheel”

有人能够在 Qml 中禁用 ComboBox 上的滚轮事件吗？

// EDIT

例如，在滑块控件中，我能够像这样删除滚轮事件处理：

Slider {
  Component.onCompleted: {
    for (var i = 0; i < slider.children.length; ++i) {
      console.log(slider.children[i])
      if (slider.children[i].hasOwnProperty("onVerticalWheelMoved") && slider.children[i].hasOwnProperty("onHorizontalWheelMoved")) {
        console.log("Found wheel area!")
        slider.children[i].destroy()
      }
    }
  }
}

但在滑块中，WheelArea 不负责处理“点击”事件。

您可以放置MouseArea over ComboBox和钢轮事件。

ComboBox {
    anchors.centerIn: parent
    model: [ "Banana", "Apple", "Coconut" ]
    MouseArea {
        anchors.fill: parent
        onWheel: {
            // do nothing
        }
        onPressed: {
            // propogate to ComboBox
            mouse.accepted = false;
        }
        onReleased: {
            // propogate to ComboBox
            mouse.accepted = false;
        }
    }
}