On 13 Jun 2012, at 22:50, Quincey Morris wrote:
> On Jun 13, 2012, at 14:15 , Robert Tillyard wrote:
>
>> Window is created from a XIB using:
>>
>> - (id)initWithManagedObjectContext:(NSManagedObjectContext *)inMoc
>> {
>> if ((self = [super initWithWindowNibName:@"RunnersWindow" owner:self]))
>> [self setManagedObjectContext:inMoc];
>>
>> return (self);
>> }
>>
>> - (void)windowDidLoad
>> {
>> [window setAutorecalculatesKeyViewLoop:NO];
>> NSLog (@"windowDidLoad: Window = %@\n", window);
>> }
>
>> I'd still like to fix my window == NULL problem
>
>
> You're referring to a "window" instance variable that NSWindowController does
> not define, so I assume you defined it yourself. If so, that's a mistake.
> You're supposed to refer to the "window" property -- self.window.
>
> In IB, when you connect what looks alike a "window" outlet, you're actually
> connecting the NSWindowController's private "_window" ivar (or perhaps, these
> days, it's connecting the "window" property, I don't know). That means your
> separately-defined "window" ivar won't get connected and will always contain
> nil. You should get rid of this ivar from your subclass.
>
> The other difficulty you're running into is that by design the window is not
> created immediately when you create a window controller. (You say of your
> code, above, that it creates a window from a XIB. It doesn't. It only creates
> a window controller.)
>
> Instead, the window is created the first time something refers to the window
> controller's "window" property (e.g. 'self.window' if it's referred to from
> within the window controller itself). At that point, the NIB is instantiated,
> the window created, and 'windowDidLoad' is invoked.
Thanks to Ken, Dennis and Quincey.
I had an instance variable IBOutlet NSWindow *window in the header file that
was shadowing the property.
Everything is working now.
Thanks everyone for taking the time to help.
Regards, Rob.
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