On 27 Jan 2010, at 05:36, Charles Srstka wrote:
> Or you could just do something like this:
>
> if(floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_5)
> {
> [NSApp setPresentationOptions:whatever];
> }
> else
> {
> SetSystemUIMode(whatever);
> }
>
> You could also use if([NSApp
> respondsToSelector:@selector(setPresentationOptions:)) if you prefer. I like
> to explicitly test for the version number though, so that once I *am* ready
> to say “10.6 and above”, it’s easy to search for and remove all the
> compatibility cruft that’s in there to make older versions work.
That's an interesting point. Personally I prefer using -respondsToSelector:
rather than version numbers, but I suppose it might be a good idea to stick a
comment in a special form before the test; maybe something like
// ###COMPAT 10.5
if ([NSApp respondsToSelector:@selector(setPresentationOptions:)])
[NSApp setPresentationOptions:whatever];
else
SetSystemUIMode (whatever);
It isn't something I've spent a great deal of time considering, and I know as a
result we probably have some cruft in our code in places to deal with
compatibility for versions of OS X we no longer support.
Kind regards,
Alastair.
--
http://alastairs-place.net
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