[Interest] Calling QMainWindow::close() vs. clicking on close button in title bar

Giuseppe D'Angelo giuseppe.dangelo at kdab.com
Wed Oct 31 11:02:58 CET 2018

Il 30/10/18 13:53, Andy ha scritto:
> Turns out that if you have a QMainWindow containing a QWindow (e.g. by 
> using QWidget::createWindowContainer()):
>    - if you call QMainWindow::close(), the QWindow receives QEvent::Hide 
> and does the right thing
>    - if you click the close button in the title bar, the QWindow 
> receives QEvent::Close which calls QWindow::destroy()
> This is not what I would expect. Is this by design?
> The QWidget::createWindowContainer docs don't mention this as a limitation.

Smells like a bug to me, please report it.


Giuseppe D'Angelo | giuseppe.dangelo at kdab.com | Senior Software Engineer
KDAB (France) S.A.S., a KDAB Group company
Tel. France +33 (0)4 90 84 08 53, http://www.kdab.com
KDAB - The Qt, C++ and OpenGL Experts

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