On Jun 28, 2007, at 10:55 PM, Laurence Harris wrote:
On Jun 28, 2007, at 4:05 PM, Peter Lau wrote:
2. There's no formal definition of Carbon, so we have no idea
which part will not go 64-bit (MacWindows.h, CarbonEvents.h,
Menus.h, Pasteboard.h, Files.h, etc.)
Actually, people who have been reading these threads faithfully do
have an idea. ;-)
Some idea,
You said "no" idea. ;-)
but not the whole idea, and there's no official list AFAIK.
True, but it's pretty clear what's going to be 64-bit and what isn't.
(see below)
Deric Horn clarified this and said that for the purposes of 64-bit
support, "Carbon" referred to HIToolbox. So the Window Manager,
HIView, and the Menu Manager are out, but Carbon Events, the File
Manager and pretty much anything not related to the UI is in.
Basically, anything a Cocoa application might use will get 64-bit
support. Anything that's limited to Carbon applications won't.
That's pretty much translates into the UI technologies.
I must have missed that posting... I recall Eric's posting about
the Menu Manager... I think he even mentioned HIToolbox so I would
imagine Window Manager... I wasn't sure about the View system
since I thought the API's mirror with Cocoa well (but how much do I
know about Cocoa, right?)...
I don't understand how Cocoa uses these things, but to be completely
accurate, some of these things, like the Menu Manager, composited
window support (used by the Menu Manager) and such *will* be
privately available to Cocoa in 64-bit, but not to Carbon.
Rather than worry about exactly which parts will be not be available
in 64-bit, just think about what they're trying to do. The general
rule, which is consistent with Apple's goal of getting everyone to
use Cocoa, is that anything a Cocoa application might use, like the
Memory Manager, the File Manager, the Alias Manager, and so on will
be available in 64-bit. Anything specific to Carbon -- and that would
pretty much be code to create and manage the UI, will not be
available in 64-bit. The upshot is that you can't use Carbon if you
want a GUI.
Off top my head (at 12:00 am), what good is a 64-bit Carbon Event
if you can't write a 64-bit HIToolbox GUI? I guess part of Cocoa
uses Carbon Events?
Correct, though I don't recall the details.
Larry
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