X-Git-Url: https://git.ralfj.de/lilass.git/blobdiff_plain/7129adf1f29ada89d37adf131dbab8d3c5483408..refs/heads/master:/gui.py?ds=sidebyside diff --git a/gui.py b/gui.py index 7db44b8..4847668 100644 --- a/gui.py +++ b/gui.py @@ -1,5 +1,5 @@ # DSL - easy Display Setup for Laptops -# Copyright (C) 2012 Ralf Jung +# Copyright (C) 2012-2015 Ralf Jung # # 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 @@ -16,7 +16,6 @@ # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. # This file abstracts GUI stuff away, so that the actual dsl.py does not have to deal with it -import sys ''' This module implements two functions: @@ -29,64 +28,13 @@ def setup(internalResolutions, externalResolutions): The user should be asked about his display setup preferences. The function returns None if the user cancelled, and an instance of dsl.ScreenSetup otherwise. ''' -import subprocess, collections +import collections -# Qt frontend -class QtFrontend: - def __init__(self): - from PyQt4 import QtGui - self.app = QtGui.QApplication(sys.argv) - print("Qt loaded") - - def error(self, message): - from PyQt4 import QtGui - QtGui.QMessageBox.critical(None, 'Fatal error', message) - - def setup(self, internalResolutions, externalResolutions): - from qt_dialogue import PositionSelection - return PositionSelection(internalResolutions, externalResolutions).run() - - @staticmethod - def isAvailable(): - try: - import PyQt4 - return True - except ImportError: - return False +from qt_frontend import QtFrontend +from cli_frontend import CLIFrontend +from zenity_frontend import ZenityFrontend -# Zenity frontend -class ZenityFrontend: - def error(message): - '''Displays a fatal error to the user''' - subprocess.check_call(["zenity", "--error", "--text="+message]) - - def setup(self, internalResolutions, externalResolutions): - from zenity_dialogue import run - run(internalResolutions, externalResolutions) - - @staticmethod - def isAvailable(): - try: - from dsl import processOutputIt - processOutputIt("zenity", "--version") - return True - except Exception: - return False - - -# CLI frontend -class CLIFrontend: - def error(self, message): - print(message, file=sys.stderr) - - def setup(self, internalResolutions, externalResolutions): - raise Exception("Choosing the setup interactively is not supported with the CLI frontend") - - @staticmethod - def isAvailable(): - return True - # list of available frontends frontends = collections.OrderedDict() frontends["qt"] = QtFrontend @@ -100,8 +48,10 @@ def getFrontend(name = None): if name in frontends: if frontends[name].isAvailable(): return frontends[name]() # call constructor - # frontend not found or not available - raise Exception("Frontend %s not found or not available" % name) + else: + raise Exception("Frontend %s not available" % name) + # frontend not found + raise Exception("Frontend %s not found" % name) # auto-detect for frontend in frontends.values(): if frontend.isAvailable():