import logging from pyvirtualdisplay.abstractdisplay import AbstractDisplay log = logging.getLogger(__name__) PROGRAM = "Xephyr" class XephyrDisplay(AbstractDisplay): """ Xephyr wrapper Xephyr is an X server outputting to a window on a pre-existing X display """ def __init__( self, size=(1024, 768), color_depth=24, bgcolor="black", use_xauth=False, retries=10, extra_args=[], manage_global_env=True, parent=None, ): """ :param bgcolor: 'black' or 'white' """ self._color_depth = color_depth self._size = size self._bgcolor = bgcolor self._parent = parent AbstractDisplay.__init__( self, PROGRAM, use_xauth=use_xauth, retries=retries, extra_args=extra_args, manage_global_env=manage_global_env, ) def _check_flags(self, helptext): self._has_resizeable = "-resizeable" in helptext def _cmd(self): cmd = ( [ PROGRAM, ] + (["-parent", self._parent] if self._parent else []) + [ dict(black="-br", white="-wr")[self._bgcolor], "-screen", "x".join(map(str, list(self._size) + [self._color_depth])), ] ) if self._has_displayfd: cmd += ["-displayfd", str(self._pipe_wfd)] else: cmd += [self.new_display_var] if self._has_resizeable: cmd += ["-resizeable"] return cmd