I'm developing an OS X app that utilizes frameless windows which have areas 
that are fully transparent. This is done by setting the flag 
Qt::FramelessWindowHint and setting the attribute Qt::WA_TranslucentBackground 
on my top level QWidget.

When built using Qt 5.5, clicking on any portion of the window that was 
transparent would have the click pass through the window to whatever screen 
element was underneath it. This is an important feature of the application: 
only portions of the window that are opaque should receive clicks, while 
clicking transparent portions should behave like the window is not there.

I recently updated to the beta of Qt 5.6 (Qt Creator says built Dec 16 2015) as 
it has some important bug fixes I need. However, now clicks on transparent 
portions of my windows do not pass through.

Is there anything I can do to get the behavior I want in Qt 5.6? Is this 
possibly a bug?

Thanks in advance,
- Brian

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