def _create_qApp():
"""
Only one qApp can exist at a time, so check before creating one.
"""
if QtGui.QApplication.startingUp():
if DEBUG: print("Starting up QApplication")
global qApp
app = QtGui.QApplication.instance()
if app is None:
qApp = QtGui.QApplication([" "])
QtCore.QObject.connect(qApp, QtCore.SIGNAL("lastWindowClosed()"),
qApp, QtCore.SLOT("quit()"))
else:
qApp = app
def _create_qApp():
"""
Only one qApp can exist at a time, so check before creating one.
"""
return
# Disabled since QApplication is already there
if QtGui.QApplication.startingUp():
if DEBUG: print "Starting up QApplication"
global qApp
app = QtGui.QApplication.instance()
if app is None:
qApp = QtGui.QApplication([" "])
qApp.connect(QtCore.SIGNAL("lastWindowClosed()"), qApp,
QtCore.SLOT("quit()"))
else:
qApp = app
def _create_qApp():
"""
Only one qApp can exist at a time, so check before creating one.
"""
if QtGui.QApplication.startingUp():
if DEBUG: print("Starting up QApplication")
global qApp
app = QtGui.QApplication.instance()
if app is None:
# check for DISPLAY env variable on X11 build of Qt
if hasattr(QtGui, "QX11Info"):
display = os.environ.get('DISPLAY')
if display is None or not re.search(':\d', display):
raise RuntimeError('Invalid DISPLAY variable')
qApp = QtGui.QApplication([" "])
QtCore.QObject.connect(qApp, QtCore.SIGNAL("lastWindowClosed()"),
qApp, QtCore.SLOT("quit()"))
else:
qApp = app
