On 11 Jul 2014, at 6:37 pm, Ken Thomases <k...@codeweavers.com> wrote:
> In general, an NSCell is owned by a control (instance of some subclass of > NSControl). An NSCell uses the field editor, an instance of NSText or a > subclass (usually an NSTextView or subclass, more specifically), to handle > the actual editing. The field editor uses the control which owns the NSCell > as its delegate. That control receives the NSTextViewDelegate and, by > extension, NSTextDelegate method calls. Since an NSTextFieldCell is a kind > of NSCell, all of the above applies to it, too. > > In a cell-based outline view, the outline view is the control owning the > NSTextFieldCell. There's no actual NSTextField. The text view which is the > field editor uses the outline view as its delegate. That's why it gets that > delegate method. > > In your view-based outline view, there's an actual NSTextField (or subclass). > That's a control unto itself. So, it (and not the outline view) serves as > the field editor's delegate. You can use a custom subclass of NSTextField > and it will receive the delegate calls. If you want, you can make your > custom NSTextField forward the text view delegate methods to its own > delegate. So, your custom text field would not need to incorporate the logic > specific to your outline view, it could just be a generic utility class. Ken, Thanks for the detailed explanation. I'll look into this approach. > (I'm a bit surprised that NSTextField doesn't already do this for those > NSText[View]Delegate methods which don't already map to NSControlTextDelegate > or the informal NSControl delegate methods. Have you tried setting your text > field's delegate to your outline view or some appropriate controller?) Yes, I have, but with no joy. -- Shane Stanley <sstan...@myriad-com.com.au> <www.macosxautomation.com/applescript/apps/> _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
