Re: When is -applicationShouldOpenUntitledFile: invoked?
Re: When is -applicationShouldOpenUntitledFile: invoked?
- Subject: Re: When is -applicationShouldOpenUntitledFile: invoked?
- From: "Clark S. Cox III" <email@hidden>
- Date: Tue, 1 Oct 2002 10:20:18 -0400
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On Tuesday, Oct 1, 2002, at 09:40 US/Eastern, Jeremy Dronfield wrote:
A slightly unusual request - I'd like to know why the method I'm using
*doesn't* cause problems.
I've been overriding -applicationShouldOpenUntitledFile: in my
doc-based applications in order to prevent them opening a new blank
document when launching or activating (I find this behaviour
irritating). I wasted some time casting around for conditions I could
use, along the lines of,
return [NSApp onlyJustLaunched] ? NO : YES;
Then I gave up and had it return a flat NO. To my surprise it worked,
and didn't interfere with opening a new document from the File menu.
The documentation says simply that -applicationShouldOpenUntitledFile:
is invoked "immediately before opening an untitled file". So, is it
bypassed by FirstResponder's -newDocument: action method (in which
case the documentation is misleading), or is it a bug, or am I simply
exhibiting my lack of understanding of how the responder chain works?
Whichever, I'd be grateful for an explanation.
-applicationShouldOpenUntitledFile: is only invoked when the
*application* wants to open an untitled file (i.e. in response to
launching, or a click in the dock), not when the NSDocumentController
wants to (i.e. in response to the New menu item).
- --
http://homepage.mac.com/clarkcox3/
email@hidden
Clark S. Cox, III
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