One more thing…this all seems to work fine for Graphics::Point-typed attributes:
namespace Graphics
{
class Point : CGPoint
{
};
}
On Nov 1, 2012, at 23:36 , Rick Mann <rm...@latencyzero.com> wrote:
> Huh. I made this small test case to narrow down the issues. I've noticed
> something. In my larger project, setBounds: gets called and its parameter
> shows in the debugger as a Graphics::Rect&. But in my sample project, it's
> the (correct) Graphics::Rect.
>
> (Note in the sample below I omitted the "Graphics::" namespace.)
>
> I can't figure out why this is. The sample code seems still fails to run
> correctly.
>
> --
> Rick
>
>
> On Nov 1, 2012, at 19:44 , Rick Mann <rm...@latencyzero.com> wrote:
>
>> I'm trying to copy NSManagedObjects using -dictionaryWithValuesForKeys and
>> -setValuesForKeysWithDictionary:. Some of my attributes are C++ objects
>> (simple ones). For example:
>>
>> class
>> Rect : public CGRect
>> {
>> };
>>
>> @interface
>> MyObj : NSManagedObject
>>
>> @property (nonatomic, assign) Rect bounds;
>>
>> @end
>>
>>
>> When I get the dictionary of values from the source object, I get something
>> reasonable:
>>
>> (lldb) po values
>> (NSDictionary *) $0 = 0x0000000400770ae0 {
>> bounds = "<00000000 000030c0 00000000 000038c0 00000000 00004040 00000000
>> 00004640>";
>> }
>>
>> But when I try to set the values in the target object, my setBounds: method
>>
>> - (void)
>> setBounds: (Graphics::Rect) inVal
>> {
>> NSString* v = NSStringFromRect(NSRectFromCGRect(inVal));
>> [self willChangeValueForKey:@"bounds"];
>> self.shadowBounds = v;
>> [self didChangeValueForKey:@"bounds"];
>> }
>>
>> gets called with
>>
>> inVal = (Rect &) 0x0000000000000000
>>> CGRect (CGRect)
>>
>> Showing in the debugger. That is, the type of inVal is a Rect reference
>> (Rect&).
>>
>> Something's clearly not right. Can I even do this?
>>
>> Thanks,
>> --
>> Rick
>>
>>
>>
>>
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>
>
> --
> Rick
>
>
>
>
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--
Rick
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