def display_manager(display): """Traps *X* errors and raises an :class:``X11Error`` at the end if any error occurred. This handler also ensures that the :class:`Xlib.display.Display` being managed is sync'd. :param Xlib.display.Display display: The *X* display. :return: the display :rtype: Xlib.display.Display """ errors = [] def handler(*args): """The *Xlib* error handler. """ errors.append(args) old_handler = display.set_error_handler(handler) try: yield display display.sync() finally: display.set_error_handler(old_handler) if errors: raise X11Error(errors)
def display_manager(display): """Traps *X* errors and raises an :class:``X11Error`` at the end if any error occurred. This handler also ensures that the :class:`Xlib.display.Display` being managed is sync'd. :param Xlib.display.Display display: The *X* display. :return: the display :rtype: Xlib.display.Display """ errors = [] def handler(*args): errors.append(args) old_handler = display.set_error_handler(handler) try: yield display display.sync() finally: display.set_error_handler(old_handler) if errors: raise X11Error(errors)
def __init__(self, display): self.display = display self.window_id = None self.window = None self.root_window = None self.left = 0 self.top = 0 self.focus = None self.focus_cb_id = None display.set_error_handler(self.__error_handler)