[Interest] QFileDialog.getOpenFileName does not show any file

[Yifei Li]

Hi,
>
> First of all, I use PyQt4 and my development machine is running MacOS Lion
>
> Here is how the problem happens:
>
> 1) Inside a slot of my main window class, open a file using
> QFileDialog.getOpenFileName for the first time.  I Also manually set the
> focus on main window so that it handle keyPressEvent.
>
> MainWindow:
>
> def mySlot(self):
>       filename = QFileDialog.getOpenFileName(...)
>       self.activateWindow()
>       self.setFocus()
>

More information, in the same slot, a thread is fired up after the
specified file is read in.

>
> 2) the second time I try to open a file, the file dialog does not show any
> file. Instead, the dialog seems to be in a busy-wating state (see the
> attachment)
>
> Has anyone had this problem before?
>
> Regards,
>
> Yifei
>
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