Re: [SOLVED] Re: How to override [NSTextField paste:]
Re: [SOLVED] Re: How to override [NSTextField paste:]
- Subject: Re: [SOLVED] Re: How to override [NSTextField paste:]
- From: Kyle Sluder <email@hidden>
- Date: Fri, 15 Jun 2012 22:43:07 -0700
On Jun 15, 2012, at 4:23 PM, Graham Cox <email@hidden> wrote:
>
> On 16/06/2012, at 4:06 AM, Kyle Sluder wrote:
>
>> Your best bet is probably to retarget the Paste menu item to use a different selector that is picked up by your window controller.
>
> Thanks Kyle,
>
> Unfortunately the standard paste: selector is used extensively elsewhere in my app, so this simple solution would not be so simple. This is an otherwise very self-contained modal dialog that doesn't have much to do.
The good thing about this solution is that it does fall back to sending -paste:. But you are right; it does seem a bit heavy-handed for your localized need.
>
> I solved it as follows:
>
>
> My window controller, which is the window's delegate, implements -windowWillReturnFieldEditor:forObject:. I return a subclass of NSTextView which overrides -paste: and adds a property, -pasteDelegate: which I set to be the window controller. (I believe the FE's nextResponder is usually also the windowController, but I wasn't entirely sure I could rely on that, so I just added an extra property to hook it up). Then I just punt -paste to the -pasteDelegate (and also -validateMenuItem for that action).
Cool. In order to avoid a retain cycle or a dangling pointer, instead of using a pasteDelegate (since there's no clear place to nil the property out) I would probably just use [[self window] windowController].
--Kyle Sluder
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