CameraListPopup.qml

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import QtQuick 2.0

Popup {
    id: cameraListPopup

    property alias model : view.model
    property variant currentValue
    property variant currentItem : model[view.currentIndex]

    property int itemWidth : 200
    property int itemHeight : 50

    width: itemWidth + view.anchors.margins*2
    height: view.count * itemHeight + view.anchors.margins*2

    signal selected

    ListView {
        id: view
        anchors.fill: parent
        anchors.margins: 5
        snapMode: ListView.SnapOneItem
        highlightFollowsCurrentItem: true
        highlight: Rectangle { color: "gray"; radius: 5 }
        currentIndex: 0

        delegate: Item {
            width: cameraListPopup.itemWidth
            height: cameraListPopup.itemHeight

            Text {
                text: modelData.displayName

                anchors.fill: parent
                anchors.margins: 5
                horizontalAlignment: Text.AlignHCenter
                verticalAlignment: Text.AlignVCenter
                elide: Text.ElideRight
                color: "white"
                font.bold: true
                style: Text.Raised
                styleColor: "black"
                font.pixelSize: 14
            }
            MouseArea {
                anchors.fill: parent
                onClicked: {
                    view.currentIndex = index
                    cameraListPopup.currentValue = modelData.deviceId
                    cameraListPopup.selected(modelData.deviceId)
                }
            }
        }
    }
}