+ # auto-config
+ internalConnector = findAvailableConnector(commonInternalConnectorNames, allConnectors)
+ if internalConnector is None:
+ raise Exception("Could not automatically find internal connector, please use ~/.dsl.conf to specify it manually.")
+ # all the rest is external then, obviously - unless the user wants to do that manually
+ if 'externalConnectors' in config:
+ externalConnectors = config['externalConnectors']
+ for connector in externalConnectors:
+ if not connector in allConnectors:
+ raise Exception("Connector %s does not exist, there is an error in your config file." % connector)
+ if connector == internalConnector:
+ raise Exception("%s is both internal and external, that doesn't make sense." % connector)
+ else:
+ externalConnectors = list(allConnectors.keys())
+ externalConnectors.remove(internalConnector)
+ if not externalConnectors:
+ raise Exception("No external connector found - either your config is wrong, or your machine has only one connector.")
+ # done!
+ return (internalConnector, externalConnectors)
+
+# if we run top-level
+if __name__ == "__main__":
+ try:
+ # parse command-line arguments
+ parser = argparse.ArgumentParser(description='easy Display Setup for Laptops')
+ parser.add_argument("-f, --frontend",
+ dest="frontend",
+ help="The frontend to be used for user interaction")
+ parser.add_argument("-r, --relative-position",
+ dest="rel_position", choices=('left', 'right', 'external-only'),
+ help="Position of external screen relative to internal one")
+ parser.add_argument("-i,--internal-only",
+ dest="internal_only", action='store_true',
+ help="Enable internal screen, disable all the others (as if no external screen was connected")
+ cmdArgs = parser.parse_args()
+
+ # load frontend
+ frontend = getFrontend(cmdArgs.frontend)
+
+ # load connectors and classify them
+ connectors = getXrandrInformation()
+ (internalConnector, externalConnectors) = classifyConnectors(connectors)
+
+ # default: screen off
+ connectorArgs = {} # maps connector names to xrand arguments
+ for c in externalConnectors+[internalConnector]:
+ connectorArgs[c] = ["--off"]
+
+ # check whether we got an external screen or not
+ # Check what to do
+ usedExternalConnector = findAvailableConnector(externalConnectors, connectors) # *the* external connector which is actually used
+ if not cmdArgs.internal_only and usedExternalConnector is not None:
+ # there's an external screen connected, we need to get a setup
+ if cmdArgs.rel_position is not None:
+ # use command-line arguments (can we do this relPosition stuff more elegant?)
+ if cmdArgs.rel_position == 'left':
+ relPosition = RelativeScreenPosition.LEFT
+ elif cmdArgs.rel_position == 'right':
+ relPosition = RelativeScreenPosition.RIGHT
+ else:
+ relPosition = RelativeScreenPosition.EXTERNAL_ONLY
+ setup = ScreenSetup(relPosition, connectors[internalConnector][0], connectors[usedExternalConnector][0]) # use default resolutions
+ else:
+ # use GUI
+ setup = frontend.setup(connectors[internalConnector], connectors[usedExternalConnector])
+ if setup is None: sys.exit(1) # the user canceled
+ # apply it
+ connectorArgs[internalConnector] = setup.getInternalArgs()
+ connectorArgs[usedExternalConnector] = setup.getExternalArgs(internalConnector)