Fwd: didPrint selector not called
Fwd: didPrint selector not called
- Subject: Fwd: didPrint selector not called
- From: Jeremy Hughes <email@hidden>
- Date: Fri, 16 Dec 2016 19:24:26 +0000
Sorry - I forgot to copy to the list.
Jeremy
--
> Begin forwarded message:
>
> From: Jeremy Hughes <email@hidden>
> Subject: Re: didPrint selector not called
> Date: 16 December 2016 at 19:15:10 GMT
> To: John McCall <email@hidden>
>
>> On 16 Dec 2016, at 17:24, John McCall <email@hidden> wrote:
>>
>>> On Dec 16, 2016, at 8:45 AM, Jeremy Hughes <email@hidden> wrote:
>>> Hi,
>>>
>>> I’m overriding printDocumentWithSettings in order to get a notification for when printing has finished, but the didPrint selector is never called.
>>>
>>> This is the code:
>>>
>>> class func document(document: NSDocument, didPrint: Bool, contextInfo: UnsafeMutablePointer<Void>)
>>> {
>>> print("document was printed”)
>>> }
>>>
>>> override func printDocumentWithSettings(printSettings: [String : AnyObject], showPrintPanel: Bool, delegate: AnyObject?, didPrintSelector: Selector, contextInfo: UnsafeMutablePointer<Void>)
>>> {
>>> let didPrint = #selector(Document.document(_:didPrint:contextInfo:))
>>>
>>> super.printDocumentWithSettings(printSettings, showPrintPanel: showPrintPanel, delegate: delegate, didPrintSelector: didPrint, contextInfo: contextInfo)
>>> }
>>>
>>> Does anyone know why this doesn’t work?
>>
>> The selector is invoked on the delegate object that you pass. Since the selector is for a class method on Document, the delegate needs to be the class object for Document, which I assume it probably isn't.
>>
>> It does seem kindof weird to be ignoring the delegate/selector pair that was passed in, though.
>>
>> John.
>
> Thanks!
>
> I’ve changed the method to an instance method and passed in self as the delegate - it works fine now.
>
> Jeremy
>
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