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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