On 10/28/07, Darren Dale <[EMAIL PROTECTED]> wrote:
> I am trying to understand how to run a second event loop using a qthread. The
> Qt docs indicate this is possible, but I haven't found any examples. I have a
> simple example that I think should work, but doesn't. When I run my thread's
> exec_(), it blocks. The actual application I am writing calls the qApp's
> exec_ before the thread's exec_, but even then the thread's exec_ blocks
> further execution. Does anyone know how to do this?
>
> Thanks,
> Darren
>
>
>
> from PyQt4 import QtGui, QtCore
> import time
>
> class Dispatcher(QtCore.QThread):
>
> def __init__(self, parent=None):
> QtCore.QThread.__init__(self, parent)
>
> self.timer = QtCore.QTimer(self)
> self.connect(self.timer,
> QtCore.SIGNAL("timeout()"),
> self.update)
> self.timer.start(20)
>
> def update(self):
> self.emit(QtCore.SIGNAL('update(string)'), str(time.time()))
>
> app = QtGui.QApplication(['test'])
> text = QtGui.QLabel('Hi')
> a = Dispatcher()
> text.connect(a,
> QtCore.SIGNAL('update(str)'),
> text,
> QtCore.SLOT('setText(string)'))
>
> a.exec_()
>
> text.show()
> app.exec_()
> _______________________________________________
> PyQt mailing list PyQt@riverbankcomputing.com
> http://www.riverbankcomputing.com/mailman/listinfo/pyqt
>
This question has been answer really recently on this list. Instead of
calling the thread object's exec_() function, call the thread object's
start() function: a.start() instead of a.exec_()
Ingmar
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