[Interest] How to detect moment when window/widget fully resized at startup?

Igor Mironchik igor.mironchik at gmail.com
Mon Jan 19 09:55:27 CET 2015

Hi, again. I've found one solution. I can connect to the  
QApplication::applicationStateChanged() signal and if state is  
Qt::ApplicationActive the size is correct.

But I have to answer again, will this approach work on all OSes?

On Mon, 19 Jan 2015 11:48:22 +0300, Igor Mironchik  
<igor.mironchik at gmail.com> wrote:

> Hi. I have one not very simple question. I need to know the size of the  
> window when it launched and all Qt/OS preparations done.
> For example, in main() I launch QWidget::showMaximized(). On my Windows  
> 7 this leads to resizeEvent( 640, 480 ) -> resizeEvent( 640, 480 ) when  
> actual size of the window is( 1366, 706 ). And I don't know when to get  
> the size() property of my widget to be sure that it is resized.
> How to detect this moment in Qt?
> Thank you.

Best Regards,
Igor Mironchik.

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