Provide a way to force re-evaluation of MouseArea's containsMouse property

import QtQuick 2.4
import QtQuick.Controls 1.3

Rectangle {
    id: mainMenu
    activeFocusOnTab: false
    width: 650
    height: 600

    ListView {
        id: listView
        anchors.centerIn: parent
        width: 200
        height: 300
        model: ListModel {
            Component.onCompleted: {
                for (var i = 0; i < 10; ++i) {
                    append({name: i + 1});
                }
            }
        }

        delegate: Rectangle {
            width: listView.width
            height: 30
            color: "black"

            Text {
                text: modelData
                color: mouseArea.containsMouse ? "white" : "grey"
                anchors.centerIn: parent
            }

            MouseArea {
                id: mouseArea
                anchors.fill: parent
                hoverEnabled: true
                onClicked: listView.model.remove(index)
            }
        }
    }
}

    // ...

    ListView {
        // ...

        delegate: Rectangle {
            // ...

            MouseArea {
                id: mouseArea
                anchors.fill: parent
                hoverEnabled: true
                onClicked: listView.model.remove(index)

                Connections {
                    target: listView
                    onCountChanged: mouseArea.refresh()
                    // or: onCountChanged: mouseArea.refreshContainsMouse()
                    // or: onCountChanged: mouseArea.checkIfContainsMouse()
                }
            }
        }
    }
}