Howdy Jon,

Thanks for the tips, I'll give that a try. The first suggestion sounds close to 
where I was going to go, except I hadn't thought of instantiating the view in 
the NIB file. Great idea. 

Your alternative suggestion sounds interesting but I'm not sure I understand 
it. Would I then set the class name in the Identity pane of this pasted, plain 
NSView to my custom class? What's different about this plain NSView from the 
"custom view" dragged from the library?

Is this a bug in Interface Builder, or did I misread the linked documentation?

From the doc:

"The procedure for adding a custom view item is very similar to that for a 
custom image item. (“Custom” in this context means any object from the 
Interface Builder library as well as instances of a custom NSView subclass.) 
Just drag any view object from the library onto the Allowed Toolbar Items area. 
Click the item once and press Command-1 to display the Attributes pane for the 
object as a toolbar item; click again to edit the attributes of the item as 
itself. You should modify the size of the custom view item in the Size pane of 
the inspector, not directly. If you drag a Custom View object into the 
allowed-items set, click it twice and set the name of the custom NSView class 
in the Identity pane of the inspector (Command-6)."

Gunnar


----- Original Message ----
> From: Jonathan Hess <jh...@apple.com>
> To: Gunnar Proppe <toneclus...@yahoo.com>
> Cc: cocoa-dev@lists.apple.com
> Sent: Monday, May 11, 2009 4:35:49 PM
> Subject: Re: NSToolbarItem with custom view in Interface Builder 3 (Leopard)
> 
> Hey Gunnar -
> 
> You won't be able to make this work with an instance of "custom view" dragged 
> from the library. Here are a couple of suggestions for workarounds:
> 
> You could add an outlet to the toolbar item you'd like to use a custom view 
> with, and then place the custom view at the top level of your NIB, and also 
> add 
> an outlet to it. In awakeFromNib, you could call setView: on the toolbar item 
> with the correct view.
> 
> Alternatively, you could use a view object that wasn't a custom view. 
> Interface 
> Builder doesn't provide a view object in the library that isn't a specific 
> subclass or NSView, or a custom view, but you can get a hold of a plain 
> NSView 
> by copying and pasting one from someplace else. For example, copying a 
> window's 
> content view by using Interface Builder's outline view will get you a vanilla 
> instance of NSView. Paste one into the top level of a document and resize it 
> to 
> a reasonable size, and and then you can drag it from the document window into 
> the toolbar.
> 
> Good Luck -
> Jon Hess
> 
> On May 9, 2009, at 11:36 AM, Gunnar Proppe wrote:
> 
> > 
> > I followed the steps described here to set up a toolbar item with a custom 
> view in Interface Builder:
> > 
> http://developer.apple.com/documentation/Cocoa/Conceptual/Toolbars/Articles/ToolbarInIB.html
> > 
> > Unfortunately my custom view's drawRect is never called. I verified that it 
> does get initialized. The toolbar item's min and max size are set up 
> properly. 
> Just to be safe I had my view conform to NSCoding but initWithCoder and 
> ecodeWithCoder aren't called. I tried various springs and struts settings 
> with 
> no results.
> > 
> > Digging deeper, I subclassed NSToolbarItem and overrode setView and 
> > setMinSize 
> so I could break on them. setMinSize is getting called with the correct 
> values. 
> Interestingly, setView gets called before my custom view is initialized. I 
> assume this is the proxy NSView object. Then my custom view is initialized 
> (initWithFrame) but the NSToolbarItem's setView isn't called again with the 
> new 
> view instance. I don't know if this is a bug -- maybe Cocoa does some voodoo 
> in 
> the swapping from the proxy NSView object to the custom view.
> > 
> > Standard views work fine: eg. NSButton and NSBox.
> > 
> > Has anyone successfully used IB to create toolbar items with custom views?
> > 
> > Thanks,
> > Gunnar
> > 
> > 
> > 
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