Don't make unknown xrandr lines a fatal error - my xrandr shows strange stuff when...

[lilass.git] / dsl.py

diff --git a/dsl.py b/dsl.py
index dad969abdaebe9cce52044fa99d4703d1af4906b..e1a945e5208454ac58deb0dfd083ce64f94f6fb1 100755 (executable)
--- a/dsl.py
+++ b/dsl.py
@@ -21,7 +21,7 @@ from selector_window import PositionSelection
 import gui
 
 # for auto-config: common names of internal connectors
-commonInternalConnectorNames = ['LVDS', 'LVDS1']
+commonInternalConnectorNames = ['LVDS', 'LVDS0', 'LVDS1', 'LVDS-0', 'LVDS-1']
 
 # Load a section-less config file: maps parameter names to space-separated lists of strings (with shell quotation)
 def loadConfigFile(file):
@@ -51,8 +51,13 @@ def getXrandrInformation():
        connectors = {} # map of connector names to a list of resolutions
        connector = None # current connector
        for line in p.stdout:
+               # screen?
+               m = re.search(r'^Screen [0-9]+: ', line)
+               if m is not None: # ignore this line
+                       connector = None
+                       continue
                # new connector?
-               m = re.search(r'^([\w]+) (dis)?connected ', line)
+               m = re.search(r'^([\w\-]+) (dis)?connected ', line)
                if m is not None:
                        connector = m.groups()[0]
                        assert connector not in connectors
@@ -63,7 +68,14 @@ def getXrandrInformation():
                if m is not None:
                        assert connector is not None
                        connectors[connector].append((int(m.groups()[0]), int(m.groups()[1])))
+                       continue
+               # unknown line
+               # not fatal as my xrandr shows strange stuff when a display is enabled, but not connected
+               #raise Exception("Unknown line in xrandr output:\n"+line)
+               print "Warning: Unknown xrandr line %s" % line
+       # be sure to always proprly finish up with the xrandr
        p.communicate()
+       # if everything succeededso far, check return code
        if p.returncode != 0: raise Exception("Querying xrandr for data failed.")
        return connectors
 
@@ -83,9 +95,9 @@ def res2user(res):
                strRatio = '16:%d' % ratio
        return '%dx%d (%s)' %(w, h, strRatio)
 
-def findAvailableConnector(tryConnectors):
+def findAvailableConnector(tryConnectors, allConnectors):
        for connector in tryConnectors:
-               if connector in connectors and connectors[connector]: # if the connector exists and is active (i.e. there is a resolution)
+               if connector in allConnectors and allConnectors[connector]: # if the connector exists and is active (i.e. there is a resolution)
                        return connector
        return None
 
@@ -103,7 +115,7 @@ def main():
                        raise Exception("Connector %s does not exist, there is an error in your config file." % internalConnector)
        else:
                # auto-config
-               internalConnector = findAvailableConnector(commonInternalConnectorNames)
+               internalConnector = findAvailableConnector(commonInternalConnectorNames, connectors)
                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
@@ -111,7 +123,9 @@ def main():
                externalConnectors = config['externalConnectors']
                for connector in externalConnectors:
                        if not connector in connectors:
-                               raise Exception("Connector %s does not exist, there is an error in your config file." % internalConnector)
+                               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 = connectors.keys()
                externalConnectors.remove(internalConnector)
@@ -124,7 +138,7 @@ def main():
                args[c] = ["--off"]
 
        # Check what to do
-       usedExternalConnector = findAvailableConnector(externalConnectors) # *the* external connector which is actually used
+       usedExternalConnector = findAvailableConnector(externalConnectors, connectors) # *the* external connector which is actually used
        if usedExternalConnector is not None: # there's an external screen connected, we need to ask what to do
                internalResolutions = connectors[internalConnector]
                externalResolutions = connectors[usedExternalConnector]