Do you think these features could be tested in a development build ???
Laurence Jeloudev
ljelou...@gmail.com
On 05/08/2011, at 20:54, Tor Lillqvist <t...@iki.fi> wrote:
>> Wouldnt that require us to migrate from the current 10.4 sdk which
>> everything is built against to the latest 10.7 in regards to API's?
>
> Not necessarily. This is not a technical list, so this will probably make the
> eyes glaze over for most readers, but still:
>
> As long as only calling new instance methods of existing classes, and adding
> new
> instance methods to existing subclass implementations (hopefully I got the
> Objective-C terminology right) is involved, it can be done quite nicely to be
> optional at run-time and compiling fine against the 10.4 SDK.
>
> Example, from my experimental patch to vcl/aqua/source/window/salframe.cxx:
>
> // On 10.7 and later, If the window has a title bar and is
> // resizable, we make it full-screenable. The ideal would be to do
> // it only for document windows, but how to figure out that?
> if (GetSalData()->mnSystemVersion >= 0x1070) {
> if ((mnStyleMask & NSTitledWindowMask)
> && (mnStyleMask & NSResizableWindowMask)) {
> // If compiled against a SDK version earlier than 10.7
> // NSWindowCollectionBehaviorFullScreenPrimary won't be
> // defined so define it ourselves. Note that we can't use
> // MAC_OS_X_VERSION_10_7 in this #if as such a macro is
> // not defined in earlier SDKs...
>
> #if MAC_OS_X_VERSION_MAX_ALLOWED < 1070
> enum {
> NSWindowCollectionBehaviorFullScreenPrimary = (1 << 7)
> };
> #endif
>
> int behavior = (int) objc_msgSend(mpWindow, @selector(collectionBehavior));
> behavior |= NSWindowCollectionBehaviorFullScreenPrimary;
>
> objc_msgSend(mpWindow, @selector(setCollectionBehavior:), behavior);
> }
> }
>
> Note the use of objc_msgSend and @selector there. Using normal Objective-C
> syntactic sugar and calling [mpWindow collectionBehavior] and [mpWindow
> setCollectionBehavior: behavior] would not compile against the 10.4 SDK as
> collectionBehavior is present only in the 10.5 SDK and later.
>
> Compiles fine against the 10.4 SDK, works as intended on 10.7. Should work
> fine
> on earlier OSes, too, but I haven't verified that.
>
> --tml
>
>
>
> --
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