Re: How to check for full-screen apps, robustly?

[Angela Brett via Cocoa-dev]

> 
> 
> Now, this does not work any more on Mac's with "the notch".
> At least, the Quicktime full-screen window, and a youtube video playing in 
> Safari in full-screen,  is smaller than the mainScreen.frame.size .

Have you tried using mainScreen.visibleFrame, or adjusting mainScreen.frame 
with mainScreen.safeAreaInsets? I haven’t tried it but I would hope those would 
give the right ‘fullscreen’ sizes for any current or future screen shape.


Angela Brett (she/her)
http://angelastic.com
ang...@angelastic.com





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Re: How to check for full-screen apps, robustly?

[Gabriel Zachmann via Cocoa-dev]

Thanks a lot for the quick response.

I was thinking of the styleMask, too, but IIUC, the documentation
of CGWindowListCopyWindowInfo says that I get only 
Required Window List Keys and Optional Window List Keys,
and the styleMask is not part of those.

Best regards, Gabriel




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How to check for full-screen apps, robustly?

[Gabriel Zachmann via Cocoa-dev]

How can I robustly check in my app whether or not there is any other window 
running in full-screen?

I would like to prevent my app from going full-screen if another app is 
currently running in full-screen.
(For instance, when the user is watching a video in Quicktime Player or Safari 
in full-screen, or is having a video call, then they probably don't want my app 
to interfere.)


So far, I did that with the following lines of code (omitting some minor 
details):

guard let winArray = CGWindowListCopyWindowInfo(options, kCGNullWindowID) as? 
[[ String : Any]]
else { .. }
for winInfo in winArray
{
guard let boundsDict = winInfo[kCGWindowBounds as String] as! CFDictionary?
else { .. }
guard let win_rect = CGRect.init( dictionaryRepresentation: boundsDict )
if ( __CGSizeEqualToSize( win_rect.size, mainScreen.frame.size) )
  .. found full-screen window ..
}


Now, this does not work any more on Mac's with "the notch".
At least, the Quicktime full-screen window, and a youtube video playing in 
Safari in full-screen,  is smaller than the mainScreen.frame.size .

I guess I could detect whether or not it's a Mac with the notch, and use a 
smaller mainScreen.frame.size accordingly;
but I am pretty sure this would break with the next Mac models again.


So, I am looking for something more future-proof.


Best regards, Gabriel




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