[Qt-interest] update contents of QWidget

[Dr. X]

Thanks, Nikos.
It works! But is there a mechanism of calling a top level function to 
show/hide all the children objects?
Appreciate your help.
Best,
x

On 6/2/2010 11:15 PM, Nikos Chantziaras wrote:
> On 06/03/2010 06:05 AM, Dr. X wrote:
>    
>> Hi All,
>>
>> I would like to dynamically add a set of QPushButton objects in a
>> QWidget object after the program is in the main .exec() loop. The data
>> hierarchy is like this:
>> QMainWindow ->  QWidget ->  QPushButton
>> ...
>> ->  QPushButton
>> I know how to create and position QPushButton objects in a QWidget
>> object before QMainWindow::show(). But after the program enter the main
>> loop, any newly created objects under that QWidget are not shown. I
>> checked out the painter example. But that is not what I want. Would you
>> please help? Thanks a lot.
>>      
> I assume the QWidget has been made the central widget with
> QMainWindow::setCentralWidget().  In that case, anything you add to the
> central widget must be shown explicitly.  In your case, QPushButton::show().
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