[Qt-interest] Asynchronous quitting of Symbian application

[Bo Elmgreen]

Hi Pritam,

That indeed looks like what I was searching for. Thanks!

BR,
Bo

On 27/09/2011 16:22, Pritam Ghanghas wrote:
> On Tue, 2011-09-27 at 17:16 +0530, Bo Elmgreen wrote:
>> Hi all,
>>
>> I am developing an application for Symbian and I have come across a
>> problem, where I could use some advice :-)
>>
>> My application is divided in two: A (widget-based) UI part and some
>> "middleware" components, that run in their own (Q)Thread, that
>> communicate with some servers over a data connection. The communication
>> between the UI and the middleware is done via signals and slots.
>>
>> The problem arises, when it is time to quit the application in a special
>> situation. If the user selects the "Exit" option in the UI, the UI
>> components can dispose of the middleware and exit the application when
>> the middleware has signalled that this has completed. But if the
>> application is closed from the task manager, the application will not
>> know what is happening before either 1) the main window destructor is
>> called or 2) it listens to the aboutToQuit signal. But in both cases it
>> appears as though the application has to quit synchronously, leaving me
>> with the problem that I cannot wait for the middleware to exit properly :-(
>>
>> I guess that I am not the only one having this kind of design, so how is
>> this situation "normally" handled?
> Look at documentation of QWidget::closeEvent().
> handle this event and quit when you are ready.
>
>> Thanks in advance!
>>
>> Best Regards,
>> Bo
>>
>> _______________________________________________
>> Qt-interest mailing list
>> Qt-interest at qt.nokia.com
>> http://lists.qt.nokia.com/mailman/listinfo/qt-interest
>
> **************** CAUTION - Disclaimer *****************
> This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely
> for the use of the addressee(s). If you are not the intended recipient, please
> notify the sender by e-mail and delete the original message. Further, you are not
> to copy, disclose, or distribute this e-mail or its contents to any other person and
> any such actions are unlawful. This e-mail may contain viruses. Infosys has taken
> every reasonable precaution to minimize this risk, but is not liable for any damage
> you may sustain as a result of any virus in this e-mail. You should carry out your
> own virus checks before opening the e-mail or attachment. Infosys reserves the
> right to monitor and review the content of all messages sent to or from this e-mail
> address. Messages sent to or from this e-mail address may be stored on the
> Infosys e-mail system.
> ***INFOSYS******** End of Disclaimer ********INFOSYS***
> _______________________________________________
> Qt-interest mailing list
> Qt-interest at qt.nokia.com
> http://lists.qt.nokia.com/mailman/listinfo/qt-interest