frontend = getFrontend("cli") # the fallback, until we got a proper frontend. This is guaranteed to be available.
# for auto-config: common names of internal connectors
-commonInternalConnectorNames = ['LVDS', 'LVDS0', 'LVDS1', 'LVDS-0', 'LVDS-1']
+commonInternalConnectorPrefixes = ['LVDS', 'eDP']
+commonInternalConnectorSuffices = ['', '0', '1', '-0', '-1']
# this is as close as one can get to an enum in Python
class RelativeScreenPosition:
LEFT = 0
RIGHT = 1
EXTERNAL_ONLY = 2
+ MIRROR = 3
+
+ __names__ = {
+ 'left': LEFT,
+ 'right': RIGHT,
+ 'external-only': EXTERNAL_ONLY,
+ 'mirror': MIRROR
+ }
# storing what's necessary for screen setup
class ScreenSetup:
args = ["--mode", res2xrandr(self.extResolution)] # set external screen to desired resolution
if self.extIsPrimary:
args.append('--primary')
+ # set position
if self.relPosition == RelativeScreenPosition.LEFT:
args += ['--left-of', intName]
elif self.relPosition == RelativeScreenPosition.RIGHT:
args += ['--right-of', intName]
+ elif self.relPosition == RelativeScreenPosition.MIRROR:
+ args += ['--same-as', intName]
+ else:
+ assert self.relPosition == RelativeScreenPosition.EXTERNAL_ONLY
return args
# Load a section-less config file: maps parameter names to space-separated lists of strings (with shell quotation)
# add some convencience get functions
return result
+# iterator yielding common names of internal connectors
+def commonInternalConnectorNames():
+ for prefix in commonInternalConnectorPrefixes:
+ for suffix in commonInternalConnectorSuffices:
+ yield prefix+suffix
+
# helper function: execute a process, return output as iterator, throw exception if there was an error
# you *must* iterate to the end if you use this!
def processOutputGen(*args):
raise Exception("Connector %s does not exist, there is an error in your config file." % internalConnector)
else:
# auto-config
- internalConnector = findAvailableConnector(commonInternalConnectorNames, allConnectors)
+ 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 we run top-level
if __name__ == "__main__":
+ # 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=RelativeScreenPosition.__names__.keys(),
+ 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)
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)
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
hasExternal = not cmdArgs.internal_only and usedExternalConnector is not None
if hasExternal:
+ # compute the list of resolutons available on both
+ commonRes = [res for res in connectors[usedExternalConnector] if res in connectors[internalConnector]]
# 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
+ # use command-line arguments
+ relPosition = RelativeScreenPosition.__names__[cmdArgs.rel_position]
+ if relPosition == RelativeScreenPosition.MIRROR:
+ setup = ScreenSetup(relPosition, commonRes[0], commonRes[0]) # use default resolutions
else:
- relPosition = RelativeScreenPosition.EXTERNAL_ONLY
- setup = ScreenSetup(relPosition, connectors[internalConnector][0], connectors[usedExternalConnector][0]) # use default resolutions
+ setup = ScreenSetup(relPosition, connectors[internalConnector][0], connectors[usedExternalConnector][0]) # use default resolutions
else:
# use GUI
- setup = frontend.setup(connectors[internalConnector], connectors[usedExternalConnector])
+ setup = frontend.setup(connectors[internalConnector], connectors[usedExternalConnector], commonRes)
if setup is None: sys.exit(1) # the user canceled
# apply it
connectorArgs[internalConnector] = setup.getInternalArgs()
# make sure the internal screen is really, *really* turned on if there is no external screen
if not hasExternal:
- backlight = float(subprocess.check_output(["xbacklight", "-get"]).strip())
- if backlight == 0: # it's completely turned off, we better enable it
- subprocess.check_call(["xbacklight", "-set", "100"])
+ try:
+ backlight = float(subprocess.check_output(["xbacklight", "-get"]).strip())
+ if backlight == 0: # it's completely turned off, we better enable it
+ subprocess.check_call(["xbacklight", "-set", "100"])
+ except FileNotFoundError:
+ print("xbacklight has not been found, unable to turn your laptop backlight on.")
+ except subprocess.CalledProcessError:
+ print("xbacklight returned an error while attempting to turn your laptop backlight on.")
except Exception as e:
frontend.error(str(e))
raise
projects / lilass.git / blobdiff