def AddChild(self, child):
RibbonControl.AddChild(self, child)
# Window enter / leave events count for only the window in question, not
# for children of the window. The panel wants to be in the hovered state
# whenever the mouse cursor is within its boundary, so the events need to
# be attached to children too.
child.Bind(wx.EVT_ENTER_WINDOW, self.OnMouseEnterChild)
child.Bind(wx.EVT_LEAVE_WINDOW, self.OnMouseLeaveChild)
