[Qt-interest] Multiple Process

[Diego Iastrubni]

There are several IPC examples in Qt, look at them (IPC =
http://en.wikipedia.org/wiki/Inter-process_communication )

You can use a shared memory, dbus, or use QRemoteSignal:
http://qt-apps.org/content/show.php/QRemoteSignal?content=112061


On Mon, Mar 22, 2010 at 7:25 AM, linux newbie <linux.newbie79 at gmail.com>wrote:

> but this is not the way I want to do.
>
> when starting the server application it occupies the screen and I want to
> invoke other application on pressing ALT+F2.
> I belive I can use QProcess to start another Qt application, but I am not
> sure how to control the second application through Server application.
>
> Any examples will be of helpful.
>
> Thanks
>
> On Mon, Mar 22, 2010 at 4:16 PM, Yuvraj <yuvraj.ragupathi at indieontech.com>wrote:
>
>> linux newbie wrote:
>>
>>> can you provide me an example?
>>>
>>> On Mon, Mar 22, 2010 at 3:52 PM, Yuvraj <
>>> yuvraj.ragupathi at indieontech.com <mailto:
>>> yuvraj.ragupathi at indieontech.com>> wrote:
>>>
>>>    linux newbie wrote:
>>>
>>>        Hi,
>>>         In my embedded application (using QWS), I need to manage
>>>        different applications.
>>>         For example, my qws server application has to bring up new Qt
>>>        client application on pressing ALT+F2 (now server application
>>>        has to be hidden). and on pressing ALT+F1 , the server
>>>        application has to come foreground(client application on
>>>        background).
>>>         Any suggestions on how to do this?
>>>         Thanks
>>>
>>>  ------------------------------------------------------------------------
>>>
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>>>
>>>    you can use signals(Linux) .
>>>
>>>    Thanks
>>>
>>>    Yuvraj
>>>
>>>
>>>
>> create two process
>>
>> process one --->server application
>>
>> process two  --- > client application
>>
>> Signal(
>> in each process ,monitor key press event. if key is pressed raise a signal
>>  to do your task,using kill system call.
>>
>> I am not sure,this may help you
>>
>>
>>
>> Thanks
>>
>> Yuvraj
>>
>
>
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