# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
-# along with this program (gpl.txt); if not, write to the Free Software
+# along with this program; if not, write to the Free Software
# 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
-from PyQt4 import QtGui
-from qt_dialogue import PositionSelection
-app = QtGui.QApplication(sys.argv)
+
+qt_available = True
+try:
+ from PyQt4 import QtGui
+ from qt_dialogue import PositionSelection
+ app = QtGui.QApplication(sys.argv)
+except Exception, e:
+ import subprocess
+ from zenity_dialogue import run as zenity_run
+ qt_available = False
def error(message):
'''Displays a fatal error to the user'''
- QtGui.QMessageBox.critical(None, 'Fatal error', message)
+ if qt_available:
+ QtGui.QMessageBox.critical(None, 'Fatal error', message)
+ else:
+ subprocess.Popen(["zenity", "--error", "--text="+message], stdout=subprocess.PIPE)
def setup(internalResolutions, externalResolutions):
'''Returns a ScreenSetup instance, or None if the user canceled'''
- return PositionSelection(internalResolutions, externalResolutions).run()
+ if qt_available:
+ return PositionSelection(internalResolutions, externalResolutions).run()
+ else:
+ return zenity_run(internalResolutions, externalResolutions)