+# DSL - easy Display Setup for Laptops
+# Copyright (C) 2012 Ralf Jung <post@ralfj.de>
+# Copyright (C) 2012-2015 Constantin Berhard<constantin@exxxtremesys.lu>
+#
+# 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.
+
+from screen import RelativeScreenPosition, ScreenSetup, processOutputIt
+
+from enum import Enum
+
+class OperationMode(Enum):
+ INTERNAL_ONLY = ("Use internal display only")
+ EXTERNAL_ONLY = ("Use external display only")
+ USE_BOTH = ("Use both displays")
+ def __init__(self, text):
+ # auto numbering
+ cls = self.__class__
+ self._value_ = len(cls.__members__)
+ # description
+ self.text = text
+
+class QuestionFrontend:
+ def userChoose (self, title, choices, returns, fallback):
+ raise Exception("The abstract method 'userChoose' has not been implemented by %s"%str(self.__class__))
+ def selectResolution(self, displayname, availablemodes):
+ modedescs = list(map(str, availablemodes))
+ return self.userChoose("Select resolution for %s"%displayname, modedescs, availablemodes, None)
+ def setup (self, situation):
+ operationmodes = list(OperationMode)
+ operationmodedescs = list(map(lambda x: x.text, operationmodes))
+ operationmode = self.userChoose ("Display setup", operationmodedescs, operationmodes, None)
+ if operationmode is None:
+ return None
+ elif operationmode is OperationMode.INTERNAL_ONLY:
+ intres = self.selectResolution("the internal screen", situation.internalResolutions())
+ if intres is None:
+ return None
+ else:
+ return ScreenSetup(intres, None, None, False)
+ elif operationmode is OperationMode.EXTERNAL_ONLY:
+ extres = self.selectResolution("the external screen", situation.externalResolutions())
+ if extres is None:
+ return None
+ else:
+ return ScreenSetup(None, extres, None, True)
+ else:
+ assert operationmode is OperationMode.USE_BOTH
+ relscrpositions = list(RelativeScreenPosition)
+ relscrdescs = list(map(lambda x: x.text+" internal screen", relscrpositions))
+ relpos = self.userChoose ("Position of external screen", relscrdescs, relscrpositions, None)
+ if relpos == None:
+ return None
+ elif relpos == RelativeScreenPosition.MIRROR:
+ # for mirroring only ask for common resolutions
+ commonres = self.selectResolution("both screens", situation.commonResolutions())
+ if commonres is None:
+ return None
+ return ScreenSetup(commonres,commonres,relpos,False)
+ # select resolutions independently
+ intres = self.selectResolution("the internal screen", situation.internalResolutions())
+ if intres is None:
+ return None
+ extres = self.selectResolution("the external screen", situation.externalResolutions())
+ if extres is None:
+ return None
+ extprim = self.userChoose("Select primary screen", ["Internal screen is primary","External screen is primary"], [False,True], None)
+ if extprim is None:
+ return None
+ return ScreenSetup(intres,extres,relpos,extprim)