On Aug 15, 2011, at 07:40 PM, John Joyce wrote:
Thanks for the quick response, John.
> Hi Martin,
>
> NSPopover is not present in the frameworks on 10.6
> You will not be able to use it there.
That I understand, but I want to use it in the app when it's running on Lion.
When the app is running on 10.6 then I use a sheet instead. So the run-time
switching is handled using the category methods below, but I don't know how to
get past the error I see.
Martin
>
>
> 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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>> This email sent to jjo...@apple.com
>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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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