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

Frank Rueter | OHUfx frank at ohufx.com
Wed Jul 16 00:57:40 CEST 2014


yes, it did, thank's a lot for nudging me in the right direction. 
Getting my head back into PySide again now.

Cheers,
frank

On 16/07/14 3:52 AM, Sean Fisk wrote:
> 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 
> <mailto:frank at ohufx.com>> wrote:
>
>     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 <mailto: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 <mailto:PySide at qt-project.org>
>>         http://lists.qt-project.org/mailman/listinfo/pyside
>>
>>
>
>

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