Re: Enter/exit full screen notification
Re: Enter/exit full screen notification
- Subject: Re: Enter/exit full screen notification
- From: Lee Ann Rucker <email@hidden>
- Date: Thu, 20 Oct 2011 12:20:38 -0700
On Oct 20, 2011, at 2:21 AM, Ryan Joseph wrote:
>
> On Oct 20, 2011, at 2:45 PM, Lee Ann Rucker wrote:
>
>> You're trying to see changes made by other apps, right? I don't think you're going to see these notifications, then, and also Lion's fullscreen moves the window into its own special Mission Control Space, so I'd think your window would be left behind on the original Space.
>
> In that case maybe it's not necessary to do anything in 10.7 (at least for apps that implement the new full screen mode). I haven't even tested on 10.7 yet which I'll do soon.
>
>>
>> In 10.6 (and 10.7) it's NSApplication presentationOptions. I've never tried to detect another app's changes to them, though.
>
>
> I did actually read about this. I'm new to Cocoa so I wasn't sure if I was doing it right but the NSApplication docs suggest I can observe the value of currentSystemPresentationOptions. My tests didn't get the method invoked I set to observe but I like I said this could be because the app I was testing (QuickTime Player) didn't enter full screen via NSApplication's presentationOptions. I posted what the docs say at the end. But how to do I know if the app in full screen mode actually uses this API? It doesn't seem reliable even if I did figure out the KVO system in Cocoa correctly.
>
> One other idea is getting a notification if the menu bar was hidden since this usually means an app went into full screen mode but I can't find that notification either.
Pre-Lion, fullscreen just meant making a borderless window that covered a screen; changing the presentationOptions was optional. On Macs with multiple monitors, if the screen being used didn't have the menu or dock there'd be no need to change anything. There's also an NSView fullScreenMode - it wasn't useful for my purposes so I don't know what it affects.
And then an app might have been written pre-10.5 and use SystemUIMode, or even just raise the window level so it was above the menubar._______________________________________________
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