[Qt-interest] QThread problem

[Donal O'Connor]

Are you sure you're calling "emit getProcessInfo" and not calling it
directly?

On Wed, Nov 3, 2010 at 1:27 PM, prashant bhutani <
prashantbhutani2008 at gmail.com> wrote:

> Hi,
>
> Thanks.
> But with due respect, this is what I am reading everywhere that connecting
> signal with Qt::QueuedConnection will help me out.
> But I am not able to sort out how it will happen!!!!!!
> I have read the documentation and reading every other link it is guiding me
> to
> but still I am not able to get that* connect which signal to my method???*
> The method setting table is *void getProcessInfo(void)* and
> it contains QTableWidget* widget now I am calling this method
> from my run() method in other/child thread and it is where I am
> getting the error that " *QObject::setParent: Cannot set parent, new
> parent in a different thread*".
>
> PS :: This is my first time with QThread and trying to sort things out but
> I am not able to get enough help even from googling and spent my last two
> days in reading the documentation only.
>
> Prashant Bhutani
>
>
>
> On Wed, Nov 3, 2010 at 4:48 PM, Gopalakrishna Bhat <gopalakbhat at gmail.com>wrote:
>
>> Hi,
>>
>> You cannot access or modify any of the widget in the main GUI thread
>> from any other thread. You can emit a signal in your thread and
>> connect it to a method in the main GUI thread which then does the
>> updation.
>>
>> With regards,
>> Gopalakrishna Bhat
>>
>>
>> >
>> > Hi Everyone,
>> >
>> > I am trying to build the System Monitor (similar to one in Linux which
>> is in
>> > GTK) in Qt as my OS lab project.
>> > I have done everything needed but now I am stuck with to update it
>> > periodically with the processes running on the system.
>> > To do so, I thought to implement QThread in my application but since the
>> > main Thread (GUI thread) is always running, I am not able to modify the
>> > QTableWidget* widget which is used to show the processes in tabular
>> form.
>> > Whenever I run my application, in child thread, I got the output that "
>> > Prashant Bhutani
>> >
>> > _______________________________________________
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>> > Qt-interest at trolltech.com
>> > http://lists.trolltech.com/mailman/listinfo/qt-interest
>> >
>> >
>>
>>
>>
>> --
>> My blog http://gkbhat.blogspot.com
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>
>
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