From f20f7ea811dc9a014ca9e4f50b909ee1181c55fc Mon Sep 17 00:00:00 2001
From: Daniel Brown <ddb@star.sr.bham.ac.uk>
Date: Fri, 6 Dec 2013 03:02:31 +0000
Subject: [PATCH] fixing QApplication creation for GUI
---
pykat/finesse.py | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/pykat/finesse.py b/pykat/finesse.py
index 9171feb..2e703c2 100644
--- a/pykat/finesse.py
+++ b/pykat/finesse.py
@@ -42,6 +42,9 @@ from pykat.components import Component
from pykat.commands import Command, xaxis
from pykat.gui.gui import pyKatGUI
+from PyQt4.QtCore import QCoreApplication
+from PyQt4.QtGui import QApplication
+
NO_GUI = False
NO_BLOCK = "NO_BLOCK"
@@ -474,12 +477,20 @@ class kat(object):
if NO_GUI:
print "No PyQt4 module was installed so cannot open a GUI"
else:
+ self.app = QCoreApplication.instance()
+ created = False
+
+ if self.app == None:
+ created = True
+ self.app = QApplication([""])
+
if self.pykatgui == None:
- #self.app = QtGui.QApplication([""])
self.pykatgui = pyKatGUI(self)
self.pykatgui.main()
else:
self.pykatgui.show()
+
+ if created: self.app.exec_()
def getComponents(self):
return self.__components.values()
--
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