On 17 Sep 2011, at 22:16, Michael Babin wrote:
> On Sep 17, 2011, at 8:02 AM, Gerriet M. Denkmann wrote:
>
>>
>> See comments below:
>>
>>>
>>> In my TestDocument (subclass of NSDocument) I added the following code (see
>>> comments inside, which explain what's happening when I do File â∫‚
>>> Print...):
>>>
>>>
>>> - (NSPrintOperation *)printOperationWithSettings:(NSDictionary
>>> *)printSettings error:(NSError **)outError
>>> {
>>
>
>> When I remove the call above (runModalPrintOperation...) then it prints ok.
>> The documentation says: "Overrides of printShowingPrintPanel: can invoke
>> this method."
>>
>> Is this a documentation error, and it should be: "Overrides of
>> printShowingPrintPanel: prior to Lion can invoke this method. In Lion it
>> should NOT be used." ?
>>
>> Or am I just confused?
>
> Perhaps I am pointing out the obvious, but you aren't overriding
> printShowingPrintPanel:, you are overriding
> printOperationWithSettings:error:. The documentation may be literally correct
> as is.
Yes, as it turns out: I was really quite confused.
printShowingPrintPanel: is deprecated since 10.4 (but for some reason Xcode
failed to tell me this) but it still works in 10.6 and it MUST call
runModalPrintOperation..., otherwise there will be no printPanel.
But in Lion it no longer works (blocks in runModalPrintOperation).
>
> I'm not all that familiar with the ins and outs of this particular subset of
> NSDocument's methods, but is there a reason you wouldn't just return the
> NSPrintOperation you created from this method and let the caller (presumably
> printDocumentWithSettings: showPrintPanel: delegate: didPrintSelector:
> contextInfo:) handle the rest?
You are quite correct, and this is what I am doing right now. And it works in
10.6 and 10.7.
Gerriet.
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