Hello
I'm working on a project that requires creation and management of rectangles, that can be change throughout the course of time, according to some data received by a web socket.
What matters here, is that I want the QMLObjects to be fully "mirrored" in C++ classes, so we only change one object and those changes reflect to the qml rectangles.

So, according to the official QML documentation(http://doc.qt.io/qt-5/qtqml-javascri...tcreation.html), to dynamically create a rectangle I'm using this code:
Qt Code: 
  1. function buildZone() {
  2.         var component;
  3.         var zone;
  4.         component = Qt.createComponent("Zone.qml");
  5.         zone = component.createObject(layout, {
  6.                                           "x": zoneMapper.x,
  7.                                           "y": zoneMapper.getY()+30,
  8.                                           "width": zoneMapper.getWidth(),
  9.                                           "height": zoneMapper.getHeight(),
  10.                                           "objectName": zoneMapper.getId(),
  11.                                           "color":"red"});
  12.         zoneMappers.push(zoneMapper);
  13.     }
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This "zoneMapper" is an object that it is instantiated in the main.cpp of a custom class, that has x with a property as follows:
Q_PROPERTY(int x READ getX WRITE setX NOTIFY xChanged)

So when you change "x", it calls a setter in the C++ class, and everything is in sync.
Problem is, when I use a button to change zonneMapper.x, like this:
Qt Code: 
  1. Button{
  2.         id:button1
  3.         objectName:"Button1"
  4.         text:"Button1Text"
  5.         onClicked: {
  6.             zoneMapper.x +=50;
  7.         }
  8.     }
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The dynamically created rectangle doesn't move, although the "setter" and "getter" in the class are called (I can check this with breakpoints)

I noticed though, if I do this, with a static rectangle:
Qt Code: 
  1. Rectangle{
  2.         id: staticRect
  3.         x:zoneMapper.x
  4.         y:30
  5.         width:50
  6.         height:50
  7.         color:"yellow"
  8.     }
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It moves!!!
I have another problem here, regarding the "mapping" of several rectangles, but's that's stuff for another episode
So, is there a way to bind an object in C++ to a dinamically created qml object?

Thank you