[Qt-qml] Odd children in a stackedwidget like Item

[Bo Thorsen]

Hi all,

I am trying to create a stackedwidget like item with this QML code:

Item {
     id: window
     anchors.fill: parent

     Item {
         id: windowRect
         objectName: "windowRect"

         anchors.fill: parent

         property string current: ""
         onCurrentChanged: setOpacities();

         function setOpacities() {
             console.log("w_length: " + stack.children.length);
         }

         Item {
             id: stack
             objectName: "stack"
             width: window.width
             anchors.fill: parent

             function printChildren() {
                 console.log("s_length: " + children.length)
             }
         }
     }
}

I modify the stack from C++ like this:

         QDeclarativeItem* stack = 
view->rootObject()->findChild<QDeclarativeItem*>("stack");
         Q_ASSERT(stack);
         page->setParentItem(stack);
         QMetaObject::invokeMethod(stack, "printChildren");

         QDeclarativeItem* window = 
view->rootObject()->findChild<QDeclarativeItem*>("windowRect");
         Q_ASSERT(window);
         window->setProperty("current", page->objectName());
         QMetaObject::invokeMethod(stack, "printChildren");

It prints this:

s_length: 1
w_length: 0
s_length: 1

What is going on here? How can the length of the list of children of the 
stack be 0 when accessing it from the windowRect function?

Bo Thorsen,
Fionia Software.

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