1 # DSL - easy Display Setup for Laptops
2 # Copyright (C) 2012 Ralf Jung <post@ralfj.de>
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 # This file abstracts GUI stuff away, so that the actual dsl.py does not have to deal with it
29 def zenityAvailable():
34 from PyQt4 import QtGui
35 from qt_dialogue import PositionSelection
36 app = QtGui.QApplication(sys.argv)
39 '''Displays a fatal error to the user'''
40 QtGui.QMessageBox.critical(None, 'Fatal error', message)
42 def setup(internalResolutions, externalResolutions):
43 '''Returns a ScreenSetup instance, or None if the user canceled'''
44 return PositionSelection(internalResolutions, externalResolutions).run()
45 elif zenityAvailable():
47 from zenity_dialogue import run as setup # this provides the setup function
50 '''Displays a fatal error to the user'''
51 subprocess.check_call(["zenity", "--error", "--text="+message])
53 print >> sys.stderr, 'No GUI frontend available, please make sure PyQt4 or Zenity is installed'