Hello,
I would like to start a QTimer from a mainwindow's menu, creating a new
instance of a custom class. See the example below. All works except the
timer's callback is never called. Asking if the timer is active returns
True. I ran out of ideas. Maybe I misunderstand how timers work?! Any
help appreciated.
from PyQt4 import QtCore, QtGui
from PyQt4 import uic
import sys
class Timers(QtCore.QObject):
def __init__(self, parent=None):
QtCore.QObject.__init__(self)
print "Timers instance created"
self.timer = QtCore.QTimer()
self.connect(self.timer, QtCore.SIGNAL("timeout()"),
self.callback)
self.timer.start(1000)
print self.timer.isActive()
def callback(self):
print "timer called"
class MainWindow(QtGui.QMainWindow):
def __init__(self):
QtGui.QMainWindow.__init__(self)
self.menubar = QtGui.QMenuBar(self)
self.menuMenu = QtGui.QMenu(self.menubar)
self.setMenuBar(self.menubar)
self.actionDOIT = QtGui.QAction(self)
self.menuMenu.addAction(self.actionDOIT)
self.menubar.addAction(self.menuMenu.menuAction())
self.menuMenu.setTitle("menu")
self.actionDOIT.setText("DO IT")
self.connect(self.actionDOIT, QtCore.SIGNAL("triggered()"),
self.doit)
def doit(self):
Timers()
if __name__ == "__main__":
app = QtGui.QApplication(sys.argv)
mainWindow = MainWindow()
mainWindow.show()
sys.exit(app.exec_())
Thank you
Sebastian
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