Graham, I followed your advice. However, there just one minor hitch.
I neglected to emphasize that I want the main window to be invisible
until the startup processing finished. At that time I would remove
the startup window and display the main window. To this end, I
unchecked the 'Visible at Launch' checkbox for my main window in my
NIB. So, when my app starts, the main window is not seen. In my -
[applicationDidFinishLaunching] method, I load the startup window's
controller and NIB file and display the startup window. When the
startup processing is finished, I close the startup window and release
the controller. Here is where things go south.
-[[NSApplication sharedApplication] mainWindow] returns nil! So, when
I call -[window makeKeyAndOrderFront] I'm doing so with a nil object.
I don't know how to make my main window visible. From what I could
tell the mainWindow property of the NSApplication will be nil if the
app is hidden. When I call -[NSApplication isHidden] it returns
FALSE. So, I would expect the associated window to be available. By
unchecking the 'Visible at Launch' checkbox I've don't seem to have a
method for displaying my main window.
I need the help of someone who understands more about initialization
from the NIB and how all this stuff fits together so they can instruct
me as to how to display my main window without re-structuring my app.
-Michael
On Sep 2, 2009, at 11:41 AM, Graham Cox wrote:
On 03/09/2009, at 1:28 AM, Michael A. Crawford wrote:
Anyway, I thought of changing the structure of my app so that the
main nib displays the startup and then loads what used to be my
main nib with my primary view, menu, etc. I'm not experienced
enough with AppKit to know whether or not that is a good approach.
Just add a startup panel and, if there is one, a controller for it
to your main nib. You'd probably want to hook it into your app
delegate so it can be taken down when launching finishes. There's
nothing to stop you having multiple windows in a single nib, and in
this case that would definitely be the simplest thing.
--Graham
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