'Since Xephyr and Xnest don\'t really support offset screens, we\'ll fake
it here for testing, (or if you want to partition a physical monitor
into separate screens)'

def _process_fake_screens(self):

    for (i, s) in enumerate(self.config.fake_screens):
        s._configure(self, i, s.x, s.y, s.width, s.height, self.groups[i])
        if (not self.currentScreen):
            self.currentScreen = s
        self.screens.append(s)
