On Monday March 30 2015 14:26:36 Thiago Macieira wrote:

> 
> You probably want to ask [email protected], the list for discussing 
> Qt 
> Creator's source code.

I just noticed I was a bit mistaken: the Designer application has the same 
issue.

I think it is caused by creating a QMenuBar explicitly, without specifying a 
parent object. That eventually leads to the application icon appearing in the 
Dock, too, so it would seem that

- QMenuBar::QMenuBar(NULL) calls into code that's not in the platform plugin 
(OR the cocoa plugin is loaded in addition to the xcb plugin...)
- applications that present the expected, parented QMenuBar somehow call the 
QMenuBar ctor with a parent suggesting that an example of how to do this 
properly already exists, somewhere.

So the development ML might be more appropriate even that the qt-creator one; 
cross-posting there.

R.


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