def _resizeSouth(self, pos, offset):
        dh = pos.y() - self.height() + offset.y()
        size = self.size()
        size.setHeight(size.height() + dh)
        self.resize(size)
A resize handler for south resizing.
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/qt/docking/q_dock_frame.py/QDockFrame._resizeSouth