[Qt-interest] restoring state of nested dock widgets

[Kishore]

How can I save and restore size and position of a dock widget when nesting is 
enabled? The following code breaks for nested docks and they all end up 
appearing in the without the nesting.

Save the dock state in mainwindow's destructor:
        dockSettings.setValue("Size", dock->size());
        dockSettings.setValue("Position", dock->pos());
        dockSettings.setValue("Area", dockWidgetArea(dock));
        dockSettings.setValue("Floating", dock->isFloating());

Restore the dock state in mainwindow's constructor
        dock->setFloating(dockSettings.value("Floating", false).toBool());
        dock->setSource(aircraft);
        dock->setLocked(dockSettings.value("Locked", false).toBool());
        dock->resize(dockSettings.value("Size").toSize());
        dock->move(dockSettings.value("Position").toPoint());
        addDockWidget((Qt::DockWidgetArea)dockSettings.value("Area").toInt(), 
dock);

Since I can have multiple instances of a similar dockwidget, i cannot rely on 
restoreDockWidget() since i think it depends on the object name of the doc 
widget which I cannot easily maintain as unique.

So, how may i restore them to their correct state?
-- 
Cheers!
Kishore
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