Re: Use Subclass in Interface Builder
Re: Use Subclass in Interface Builder
- Subject: Re: Use Subclass in Interface Builder
- From: Andy Lee <email@hidden>
- Date: Wed, 05 Oct 2011 02:31:24 -0400
See "The Object Loading Process":
<http://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/LoadingResources/CocoaNibs/CocoaNibs.html#//apple_ref/doc/uid/10000051i-CH4-SW19>
> a. Standard Interface Builder objects (and custom subclasses of those objects) receive an initWithCoder: message.
[...]
> b. Custom views in Mac OS X receive an initWithFrame: message.
Your Method 1 corresponds to the "a" case. Your Method 2 corresponds to the "b" case.
--Andy
On Oct 5, 2011, at 1:32 AM, Dong Feng wrote:
> I have a subclass of NSOpenGLView which named POpenGLView. I tried two ways
> to use it in IB:
>
> Method 1:
> To create an OpenGL view in IB directly, and set its class type
> "POpenGLView".
>
> Method 2:
> To create a NSView in IB, and set its class type "POpenGLView".
>
> The most significant difference between the two ways is
> - in Method 2, initWithFrame: is invoked.
> - in Method 1, initWithCoder: is invoked.
>
> I checked Apple examples and found this one:
> http://developer.apple.com/library/mac/#samplecode/GLEssentials/Listings/main_m.html#//apple_ref/doc/uid/DTS40010104-main_m-DontLinkElementID_31
>
> Apple's example takes Method 2 and relies on the behavior of invoking
> initWithFrame: .
>
> What's the rule of IB/XIB regarding picking instantiate method?
>
> Thanks,
> Dong
_______________________________________________
Cocoa-dev mailing list (email@hidden)
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden