I write an application with a trayicon as main interface. When I popup a
QMessageBox in a slot, the application terminates after closing the box.
I have no idea why. Termination is regular (exit code 0 and no exception
is raised). However, if I make the widget visible (uncommenting
self.show() in example below), termination does not happen.
I'm using Python 2.5 and Pyqt 4.4.3
Thanks
minimal example:
----------------
import sys
from PyQt4 import QtCore, QtGui
class Systray(QtGui.QWidget):
def __init__(self):
QtGui.QWidget.__init__(self)
self.createActions()
self.createTrayIcon()
self.trayIcon.show()
#self.show()
def createActions(self):
self.quitAction = QtGui.QAction(self.tr("&Quit"), self)
QtCore.QObject.connect(self.quitAction,
QtCore.SIGNAL("triggered()"),
QtGui.qApp, QtCore.SLOT("quit()"))
self.testAction = QtGui.QAction(self.tr("Test"), self)
QtCore.QObject.connect(self.testAction,
QtCore.SIGNAL("triggered()"), self.test)
def createTrayIcon(self):
self.trayIconMenu = QtGui.QMenu(self)
self.trayIconMenu.addAction(self.quitAction)
self.trayIconMenu.addAction(self.testAction)
self.trayIcon = QtGui.QSystemTrayIcon(self)
self.trayIcon.setIcon(QtGui.QIcon("test.png"))
self.trayIcon.setContextMenu(self.trayIconMenu)
def test(self):
QtGui.QMessageBox.information(self, "title", "hello")
# closing this terminates the program
app = QtGui.QApplication(sys.argv)
x = Systray()
sys.exit(app.exec_())
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