QWidget::pos() is a "getter" so you unlikely want to call this, you probably meant "move".

QWidget::move() is not a slot, but of yours you could create one with matching arguments in your calls.

You can't use a function as a sender object, the type of the first argument of QObject::connect() is "QObject*", i.e. a pointer to a QObject.

You can, however, call a slot by name using QMetaObject::invokeMethod()
Qt Code: 
  1. QMetaObject::invokeMethod(receiver, "slotname", Qt::QueuedConnection, ....);
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Where "...." is any arguments you want to pass.

Cheers,
_