Hi Martin,
NSPopover is not present in the frameworks on 10.6
You will not be able to use it there.
On Aug 16, 2011, at 2:38 AM, Martin Hewitson wrote:
> Dear list,
>
> I guess this is a really simple question to answer, but somehow my googling
> doesn't lead me to it.
>
> I have an app and I want to include NSPopovers when the app runs on Lion. I
> have some run-time way of finding out if it is Lion or not (see below), but
> when the app runs on 10.6 I get errors like:
>
> Symbol not found _OBJC_CLASS_$_NSPopover
>
> I have the deployment target set to 10.6 in Xcode and the base sdk set to
> 10.7.
>
> Am I doing something wrong? Is it possible to do what I want to do?
>
> Cheers,
>
> Martin
>
> Here's the category methods on NSApplication which I based on some code I
> found on this list, I believe.
>
> - (void)getSystemVersionMajor:(unsigned *)major
> minor:(unsigned *)minor
> bugFix:(unsigned *)bugFix;
> {
> OSErr err;
> SInt32 systemVersion, versionMajor, versionMinor, versionBugFix;
> if ((err = Gestalt(gestaltSystemVersion, &systemVersion)) != noErr) goto
> fail;
> if (systemVersion < 0x1040)
> {
> if (major) *major = ((systemVersion & 0xF000) >> 12) * 10 +
> ((systemVersion & 0x0F00) >> 8);
> if (minor) *minor = (systemVersion & 0x00F0) >> 4;
> if (bugFix) *bugFix = (systemVersion & 0x000F);
> }
> else
> {
> if ((err = Gestalt(gestaltSystemVersionMajor, &versionMajor)) != noErr)
> goto fail;
> if ((err = Gestalt(gestaltSystemVersionMinor, &versionMinor)) != noErr)
> goto fail;
> if ((err = Gestalt(gestaltSystemVersionBugFix, &versionBugFix)) != noErr)
> goto fail;
> if (major) *major = versionMajor;
> if (minor) *minor = versionMinor;
> if (bugFix) *bugFix = versionBugFix;
> }
>
> return;
>
> fail:
> NSLog(@"Unable to obtain system version: %ld", (long)err);
> if (major) *major = 10;
> if (minor) *minor = 0;
> if (bugFix) *bugFix = 0;
> }
>
>
> - (BOOL) isLion
> {
> unsigned major, minor, bugFix;
> [[NSApplication sharedApplication]
> getSystemVersionMajor:&major minor:&minor bugFix:&bugFix];
> if (major == 10 && minor == 7) {
> return YES;
> } else {
> return NO;
> }
> }
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Martin Hewitson
> Albert-Einstein-Institut
> Max-Planck-Institut fuer
> Gravitationsphysik und Universitaet Hannover
> Callinstr. 38, 30167 Hannover, Germany
> Tel: +49-511-762-17121, Fax: +49-511-762-5861
> E-Mail: martin.hewit...@aei.mpg.de
> WWW: http://www.aei.mpg.de/~hewitson
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
>
>
>
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