Quote Originally Posted by nurtsi View Post
My test setup is such that I have two X screens: :0.1 on the left and :0.0 on the right. When I run my test app, I get the following:

Qt Code: 
  1. 0x147b5c0  display  :0.1
  2. 0x147b6d0  display  :0.1
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Isn't that the information you are looking for?

Quote Originally Posted by nurtsi View Post
Looking at Qt source it looks like QXcbScreen::screenNumber() would return what I need. Is there any way to access this information? I don't see it (or anything about virtual desktops) in QPlatformNativeInterface.
Hmm.

A bit hackish but you could include qxcbscreen.h and then cast the QScreen::handle() to that and access the function.

Cheers,
_