[PySide] determine if pyside is run as standalone or inside of host app

Sean Fisk sean at seanfisk.com
Tue Jul 15 19:52:30 CEST 2014

No problem! Hope it works out for you!

Sean Fisk

On Sun, Jul 13, 2014 at 7:47 PM, Frank Rueter | OHUfx <frank at ohufx.com>

>  Ah, of course, much tidier. I will do that, thanks Sean!
> On 14/07/14 2:17 AM, Sean Fisk wrote:
>  Hi Frank,
> I would go for a different architecture if possible. Have you considered
> giving TestWidget a signal which gets connected to app.quit() in the
> standalone application? In the host application, just don't connect it to
> anything. You could name the signal 'quit_requested' or something like
> that, but adapt it to your scenario. I'm not sure if this is possible in
> your situation; just a suggestion.
>  - Sean
>  --
> Sean Fisk
> On Sun, Jul 13, 2014 at 9:19 AM, Frank Rueter | OHUfx <frank at ohufx.com>
> wrote:
>> Hi,
>> I have a QWidget that uses
>> self.setWindowFlags(QtCore.Qt.Popup)
>> This causes the widget to not quit the QApplication when it closes even
>> though it's the main widget.
>> I can put something like QtGui.QApplication.instance().quit() into the
>> appropriate event to ensure the application closes properly, but most of
>> the time this widget will be run from inside a host application, not as
>> a standalone app, so closing the application instance would have fatal
>> consequences for the user.
>> What would be the best way to determine whether the widget is run as a
>> standalone, and I can quite the application safely, or if it's run from
>> inside a host app?
>> In my current scenario I could check
>> QtGui.QApplication.applicationFilePath() for the host applications that
>> this is mostly going to be run from, but if somebody else imports my
>> code into an app I didn't cater for, my QWidget will quit that when the
>> widget closes, until I include the particular host in my code logic.
>> Here is a simple example that always manually quits the application
>> (when I need ti be clever and not quit if it's run from inside a host):
>> http://pastebin.com/48y7nqc2
>> What's the best way to go about this?
>> Cheers,
>> frank
>> _______________________________________________
>> PySide mailing list
>> PySide at qt-project.org
>> http://lists.qt-project.org/mailman/listinfo/pyside
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