Re: Program flow in NSApplication
Re: Program flow in NSApplication
- Subject: Re: Program flow in NSApplication
- From: publiclook <email@hidden>
- Date: Mon, 28 Apr 2003 12:21:53 -0400
Delegate messages are sent to the delegate even if the delegate has not
registered for any notifications.
The application delegate messages are reliably sent to the
application's delegate. If your delegate is not receiving them, check
the spelling and make sure the object that you think is the delegate
actually is the delegate.
On Monday, April 28, 2003, at 10:31 AM, Andreas Schempp wrote:
Do get the applicationWillFinishLaunching and the other four functions
to
work, you have to register your application at the notification center.
you should do something like this:
- (void) awakeFromNib
{
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(applicationWillFinishLaunching:)
name:@"NSApplicationWillFinishLaunchingNotification" object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(applicationDidFinishLaunching:)
name:@"NSApplicationDidFinishLaunchingNotification" object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(applicationWillBecomeActive:)
name:@"NSApplicationWillBecomeActiveNotification" object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(applicationDidBecomeActive:)
name:@"NSApplicationDidBecomeActiveNotification" object:nil];
}
And check for spelling errors ;-)
Hi,
I have created a sample application in Cocoa using a
custom view. i then subclassed the view from
NSScrollView.
Now in the code all the coding for creating the
matrix and NSButtonCells in the matrix is done in -
(id)initWithFrame:(NSRect)frameRect
I have a delegate from the FistOwner to class instance
controller. I have defined functions like
-(void)applicationWillFinishLaunching:(NSNotification
*)aNotification
{
}
- (void)applicationDidBecomeActive:(NSNotification
*)aNotification
{
}
- (void)applicationDidFinishLaunching:(NSNotification
*)aNotification
{
}
- (void)applicationWillBecomeActive:(NSNotification
*)aNotification
{
}
just for testing purpose to find whether the program
control reaches any of these functions. but i found
that - (id)initWithFrame:(NSRect)frameRect function
finishes all the processing and control does not reach
the 4 functions mentioned above.
i had also used -(void)awakefromNib function. But
when the program starts executing the control first
goes to - (id)initWithFrame:(NSRect)frameRect.
What could be going wrong or is this the normal
behaviour?
Is there any documentation available which tells the
flow of the program for NSApplication.
Thanks.
with rgds,
johnd
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