Re: High Level Toolkit -- is it obsolete or not?
Re: High Level Toolkit -- is it obsolete or not?
- Subject: Re: High Level Toolkit -- is it obsolete or not?
- From: Joel May <email@hidden>
- Date: Tue, 23 Feb 2010 16:18:45 -0600
Hey Eric,
This is very helpful. I'll take a look at [NSEvent pressedMouseButtons]. I still have to support tiger and leopard, but I'll build a separate snow leopard version and #ifdef that call in there.
I've had the heebie-jeebies about including the Carbon framework in my application. But I'm cool with it now.
Thanks,
Joel
On Feb 23, 2010, at 1:15 AM, Eric Schlegel wrote:
>
> On Feb 22, 2010, at 11:53 AM, Joel May wrote:
>
>> I would like to create a thread (NSThread) with a bumped-up priority and poll the mouse and keyboard the same way I did in the carbon version. I'd like to use the cocoa equivalents of GetButton() and GetKeys() but I can't find them.
>
> GetButton() [by which I think you actually mean Button()] - the Cocoa equivalent is +[NSEvent pressedMouseButtons], available in 10.6 and later
> GetKeys() - I don't believe there is currently a Cocoa or CoreGraphics equivalent (but could be wrong!). It's perfectly fine to continue using GetKeys().
>
>> Am I safe using these api's. Are we supposed to not use them?
>
> You are safe using these APIs. They are still supported. We recommend that you use Cocoa equivalents when available - so you could use +[NSEvent pressedMouseButtons] on 10.6 and later, and Button() on 10.5 and earlier.
>
>> Will they go away in 10.7?
>
> No, because that would break many existing applications, and we place a high priority on not breaking existing applications.
>
>> Why do I read everywhere that carbon is dead and high level toolkit is dead?
>
> Because many people are misinformed. Apple no longer recommends Carbon for new application development - Cocoa is recommended for all new development - but Carbon is not being removed from the OS either, because that would break existing applications. The High Level Toolbox APIs will continue to be supported for 32-bit apps and some parts of HLTB will also still be supported for 64-bit in cases where there is no other 64-bit equivalent.
>
>> If High Level Toolkit is ok, then why doesn't it appear in the docs. If I search the Mac OS X Reference Library, it does not get the same treatment that the cocoa api gets.
>
> You'd have to ask Apple Developer Relations about that. I'm just a grunt engineer. :)
>
> -eric
>
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