CameraPropertyPopup.qml Example File

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 import QtQuick 2.0

 Popup {
     id: propertyPopup

     property alias model : view.model
     property variant currentValue
     property variant currentItem : model.get(view.currentIndex)

     property int itemWidth : 100
     property int itemHeight : 70
     property int columns : 2

     width: columns*itemWidth + view.anchors.margins*2
     height: Math.ceil(model.count/columns)*itemHeight + view.anchors.margins*2 + 25

     signal selected

     function indexForValue(value) {
         for (var i = 0; i < view.count; i++) {
             if (model.get(i).value == value) {
                 return i;
             }
         }

         return 0;
     }

     GridView {
         id: view
         anchors.fill: parent
         anchors.margins: 5
         cellWidth: propertyPopup.itemWidth
         cellHeight: propertyPopup.itemHeight
         snapMode: ListView.SnapOneItem
         highlightFollowsCurrentItem: true
         highlight: Rectangle { color: "gray"; radius: 5 }
         currentIndex: indexForValue(propertyPopup.currentValue)

         delegate: Item {
             width: propertyPopup.itemWidth
             height: 70

             Image {
                 anchors.centerIn: parent
                 source: icon
             }
             MouseArea {
                 anchors.fill: parent
                 onClicked: {
                     propertyPopup.currentValue = value
                     propertyPopup.selected(value)
                 }
             }
         }
     }

     Text {
         anchors.bottom: parent.bottom
         anchors.bottomMargin: 8
         anchors.left: parent.left
         anchors.leftMargin: 16

         color: "#ffffff"
         font.bold: true
         style: Text.Raised;
         styleColor: "black"
         font.pixelSize: 14

         text: view.model.get(view.currentIndex).text
     }
 }