+++ /dev/null
-#!/usr/bin/python3
-# DSL - easy Display Setup for Laptops
-# Copyright (C) 2012-2015 Ralf Jung <post@ralfj.de>
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-
-import argparse, sys, os, re, subprocess
-from enum import Enum
-import gui, screen
-frontend = gui.getFrontend("cli") # the fallback, until we got a proper frontend. This is guaranteed to be available.
-
-
-# for auto-config: common names of internal connectors
-commonInternalConnectorPrefixes = ['LVDS', 'eDP']
-commonInternalConnectorSuffices = ['', '0', '1', '-0', '-1']
-def commonInternalConnectorNames():
- for prefix in commonInternalConnectorPrefixes:
- for suffix in commonInternalConnectorSuffices:
- yield prefix+suffix
-
-
-# Load a section-less config file: maps parameter names to space-separated lists of strings (with shell quotation)
-def loadConfigFile(filename):
- import shlex
- result = {}
- if not os.path.exists(filename):
- return result # no config file
- # read config file
- linenr = 0
- with open(filename) as f:
- for line in f:
- linenr += 1
- line = line.strip()
- if not len(line) or line.startswith("#"): continue # skip empty and comment lines
- try:
- # parse line
- pos = line.index("=") # will raise exception when substring is not found
- curKey = line[:pos].strip()
- result[curKey] = shlex.split(line[pos+1:]) # shlex.split also strips
- except Exception:
- raise Exception("Invalid config, line %d: Error parsing line (may be a quoting issue)." % linenr)
- # add some convencience get functions
- return result
-
-
-# Make sure the backlight is turned on
-def turnOnBacklight():
- 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.")
-
-
-# return the current sceen situation, using the configuration to control connecor detection
-def situationByConfig(config):
- # internal connectors
- if 'internalConnector' in config:
- if len(config['internalConnector']) != 1:
- raise Exception("You must specify exactly one internal connector.")
- internalConnectors = config['internalConnector']
- else:
- internalConnectors = commonInternalConnectorNames()
- # run!
- return screen.ScreenSituation(internalConnectors, config.get('externalConnectors'))
-
-
-# if we run top-level
-if __name__ == "__main__":
- try:
- # how do we filter the RelativeScreenPosition for the CLI?
- relPosFilter = str.lower
-
- # 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=list(map(relPosFilter, screen.RelativeScreenPosition.__members__.keys())),
- help="Set the position of external screen relative to internal one.")
- parser.add_argument("-e", "--external-only",
- dest="external_only", action='store_true',
- help="If an external screen is connected, disable all the others.")
- parser.add_argument("-i", "--internal-only",
- dest="internal_only", action='store_true',
- help="Enable internal screen, disable all the others.")
- cmdArgs = parser.parse_args()
-
- # load frontend early (for error mssages)
- frontend = gui.getFrontend(cmdArgs.frontend)
-
- # load configuration
- config = loadConfigFile(os.getenv('HOME') + '/.dsl.conf')
-
- # see what situation we are in
- situation = situationByConfig(config)
-
- # construct the ScreenSetup
- setup = None
- if not cmdArgs.internal_only and situation.externalResolutions() is not None:
- # there's an external screen connected that we may want to use
- if cmdArgs.external_only:
- setup = screen.ScreenSetup(intResolution = None, extResolution = situation.externalResolutions()[0])
- elif cmdArgs.rel_position is not None:
- # construct automatically, based on CLI arguments
- # first, figure out the desired RelativeScreenPosition... waht a bad hack...
- relPos = list(filter(lambda relPosItem: relPosFilter(relPosItem[0]) == cmdArgs.rel_position, screen.RelativeScreenPosition.__members__.items()))
- assert len(relPos) == 1, "CLI argument is ambigue"
- relPos = relPos[0][1]
- # now we construct the ScreenSetup
- if relPos == screen.RelativeScreenPosition.MIRROR:
- res = situation.commonResolutions()[0]
- setup = screen.ScreenSetup(res, res, relPos)
- else:
- setup = screen.ScreenSetup(intResolution = situation.internalResolutions()[0], extResolution = situation.externalResolutions()[0], relPosition = relPos)
- else:
- # ask the user
- setup = frontend.setup(situation)
- if setup is None: sys.exit(1) # the user canceled
- else:
- # use first resolution of internal connector
- setup = screen.ScreenSetup(intResolution = situation.internalResolutions()[0], extResolution = None)
-
- # call xrandr
- xrandrCall = situation.forXrandr(setup)
- print("Call that will be made:",xrandrCall)
- subprocess.check_call(xrandrCall)
-
- # make sure the internal screen is really, *really* turned on if there is no external screen
- if setup.extResolution is None:
- turnOnBacklight()
- except Exception as e:
- frontend.error(str(e))
- raise
projects / lilass.git / blobdiff