[Development] QGuiApplication::topLevelWindows()

Anselmo L. S. Melo anselmo.melo at openbossa.org
Fri Jan 27 12:15:36 CET 2012


On Fri, Jan 27, 2012 at 4:51 AM, Samuel Rødal <samuel.rodal at nokia.com> wrote:
> On 01/26/2012 08:21 PM, ext Anselmo L. S. Melo wrote:
>> Hi,
>>
>> A window is a top level window if it has no parent, correct? Code and comments in qwindow.cpp also confirm that.
>>
>> With that in mind, it seems reasonable that QGuiApplication::topLevelWindows() should return a list of QWindows with parent()==0.
>> However, the returned list contains all QWindows created, including the ones that don't respect this condition.
>>
>> So, it seems we need to either adjust QGuiApplication::topLevelWindows() or control which windows are added to
>> QGuiApplicationPrivate::window_list - currently, all windows are prepended to this list in QWindow's ctors.
>
> Agreed, maybe just make QGuiApplication::topLevelWindows() filter the
> window_list, since it would take more work to keep track of a
> top_level_window_list in qwindow.cpp.
>
>> Also, would it be useful to have QGuiApplication::allWindows()?
>
> Yep, it might be.

Ok, I'll work on that when I arrive at the office.


Regards,
Anselmo


--
Anselmo L. S. Melo
openBossa / INdT
http://www.indt.org



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