Re: Changes to NSGlobalDomain aren't detected

[Richard Frith-Macdonald]

On 1 Oct 2013, at 10:41, David Chisnall <address@hidden> wrote:

> Hi,
> 
> I've noticed that when I set the GSTheme default for a running application, 
> it recents an NSUserDefaultsChanged notification, but when I change 
> NSGlobalDomain GSTheme this doesn't happen.  This is problematic, because it 
> means that you can't easily change the theme of all of the running GNUstep 
> apps without restarting them.
> 
> Looking more closely, it seems that NSUserDefaults periodically checks if 
> defaults have been changed, but doesn't check for NSGlobalDomain.  I'm not 
> fully able to follow the code that determines whether a domain needs to be 
> reloaded, but perhaps someone who understands it could take a look?

I tracked down and fixed that bug.

> Alternatively, I wonder if having changes to persistent domains post a 
> distributed notification would be cleaner than regularly polling the FS 
> (regularly waking up sucks battery life on mobile devices, even if the check 
> is handled by the VFS layer).  If people want to manually modify the plists 
> of a running application (and not use the defaults tool) then they should 
> post the notification themselves...

That's an interesting idea.